diff options
1120 files changed, 31409 insertions, 13433 deletions
diff --git a/.gitignore b/.gitignore index f4c0b091dcf4..e213b27f3921 100644 --- a/.gitignore +++ b/.gitignore @@ -34,6 +34,7 @@ *.gcno modules.builtin Module.symvers +*.dwo # # Top-level generic files diff --git a/Documentation/ABI/testing/sysfs-bus-rbd b/Documentation/ABI/testing/sysfs-bus-rbd index 501adc2a9ec7..2ddd680929d8 100644 --- a/Documentation/ABI/testing/sysfs-bus-rbd +++ b/Documentation/ABI/testing/sysfs-bus-rbd @@ -94,5 +94,5 @@ current_snap parent - Information identifying the pool, image, and snapshot id for - the parent image in a layered rbd image (format 2 only). + Information identifying the chain of parent images in a layered rbd + image. Entries are separated by empty lines. diff --git a/Documentation/ABI/testing/sysfs-fs-xfs b/Documentation/ABI/testing/sysfs-fs-xfs new file mode 100644 index 000000000000..ea0cc8c42093 --- /dev/null +++ b/Documentation/ABI/testing/sysfs-fs-xfs @@ -0,0 +1,39 @@ +What: /sys/fs/xfs/<disk>/log/log_head_lsn +Date: July 2014 +KernelVersion: 3.17 +Contact: xfs@oss.sgi.com +Description: + The log sequence number (LSN) of the current head of the + log. The LSN is exported in "cycle:basic block" format. +Users: xfstests + +What: /sys/fs/xfs/<disk>/log/log_tail_lsn +Date: July 2014 +KernelVersion: 3.17 +Contact: xfs@oss.sgi.com +Description: + The log sequence number (LSN) of the current tail of the + log. The LSN is exported in "cycle:basic block" format. + +What: /sys/fs/xfs/<disk>/log/reserve_grant_head +Date: July 2014 +KernelVersion: 3.17 +Contact: xfs@oss.sgi.com +Description: + The current state of the log reserve grant head. It + represents the total log reservation of all currently + outstanding transactions. The grant head is exported in + "cycle:bytes" format. +Users: xfstests + +What: /sys/fs/xfs/<disk>/log/write_grant_head +Date: July 2014 +KernelVersion: 3.17 +Contact: xfs@oss.sgi.com +Description: + The current state of the log write grant head. It + represents the total log reservation of all currently + oustanding transactions, including regrants due to + rolling transactions. The grant head is exported in + "cycle:bytes" format. +Users: xfstests diff --git a/Documentation/DocBook/drm.tmpl b/Documentation/DocBook/drm.tmpl index 1d3756d3176c..bacefc5b222e 100644 --- a/Documentation/DocBook/drm.tmpl +++ b/Documentation/DocBook/drm.tmpl @@ -315,7 +315,7 @@ char *date;</synopsis> <function>drm_dev_unregister()</function> followed by a call to <function>drm_dev_unref()</function>. </para> -!Edrivers/gpu/drm/drm_stub.c +!Edrivers/gpu/drm/drm_drv.c </sect2> <sect2> <title>Driver Load</title> diff --git a/Documentation/device-mapper/switch.txt b/Documentation/device-mapper/switch.txt index 2fa749387be8..8897d0494838 100644 --- a/Documentation/device-mapper/switch.txt +++ b/Documentation/device-mapper/switch.txt @@ -106,6 +106,11 @@ which paths. The path number in the range 0 ... (<num_paths> - 1). Expressed in hexadecimal (WITHOUT any prefix like 0x). +R<n>,<m> + This parameter allows repetitive patterns to be loaded quickly. <n> and <m> + are hexadecimal numbers. The last <n> mappings are repeated in the next <m> + slots. + Status ====== @@ -124,3 +129,10 @@ Create a switch device with 64kB region size: Set mappings for the first 7 entries to point to devices switch0, switch1, switch2, switch0, switch1, switch2, switch1: dmsetup message switch 0 set_region_mappings 0:0 :1 :2 :0 :1 :2 :1 + +Set repetitive mapping. This command: + dmsetup message switch 0 set_region_mappings 1000:1 :2 R2,10 +is equivalent to: + dmsetup message switch 0 set_region_mappings 1000:1 :2 :1 :2 :1 :2 :1 :2 \ + :1 :2 :1 :2 :1 :2 :1 :2 :1 :2 + diff --git a/Documentation/devicetree/bindings/dma/fsl-imx-sdma.txt b/Documentation/devicetree/bindings/dma/fsl-imx-sdma.txt index e577196a12c0..4659fd952301 100644 --- a/Documentation/devicetree/bindings/dma/fsl-imx-sdma.txt +++ b/Documentation/devicetree/bindings/dma/fsl-imx-sdma.txt @@ -47,6 +47,7 @@ The full ID of peripheral types can be found below. 20 ASRC 21 ESAI 22 SSI Dual FIFO (needs firmware ver >= 2) + 23 Shared ASRC The third cell specifies the transfer priority as below. diff --git a/Documentation/devicetree/bindings/dma/mpc512x-dma.txt b/Documentation/devicetree/bindings/dma/mpc512x-dma.txt new file mode 100644 index 000000000000..a6511df165c5 --- /dev/null +++ b/Documentation/devicetree/bindings/dma/mpc512x-dma.txt @@ -0,0 +1,29 @@ +* Freescale MPC512x and MPC8308 DMA Controller + +The DMA controller in Freescale MPC512x and MPC8308 SoCs can move +blocks of memory contents between memory and peripherals or +from memory to memory. + +Refer to "Generic DMA Controller and DMA request bindings" in +the dma/dma.txt file for a more detailed description of binding. + +Required properties: +- compatible: should be "fsl,mpc5121-dma" or "fsl,mpc8308-dma"; +- reg: should contain the DMA controller registers location and length; +- interrupt for the DMA controller: syntax of interrupt client node + is described in interrupt-controller/interrupts.txt file. +- #dma-cells: the length of the DMA specifier, must be <1>. + Each channel of this DMA controller has a peripheral request line, + the assignment is fixed in hardware. This one cell + in dmas property of a client device represents the channel number. + +Example: + + dma0: dma@14000 { + compatible = "fsl,mpc5121-dma"; + reg = <0x14000 0x1800>; + interrupts = <65 0x8>; + #dma-cells = <1>; + }; + +DMA clients must use the format described in dma/dma.txt file. diff --git a/Documentation/devicetree/bindings/dma/nbpfaxi.txt b/Documentation/devicetree/bindings/dma/nbpfaxi.txt new file mode 100644 index 000000000000..d5e2522b9ec1 --- /dev/null +++ b/Documentation/devicetree/bindings/dma/nbpfaxi.txt @@ -0,0 +1,61 @@ +* Renesas "Type-AXI" NBPFAXI* DMA controllers + +* DMA controller + +Required properties + +- compatible: must be one of + "renesas,nbpfaxi64dmac1b4" + "renesas,nbpfaxi64dmac1b8" + "renesas,nbpfaxi64dmac1b16" + "renesas,nbpfaxi64dmac4b4" + "renesas,nbpfaxi64dmac4b8" + "renesas,nbpfaxi64dmac4b16" + "renesas,nbpfaxi64dmac8b4" + "renesas,nbpfaxi64dmac8b8" + "renesas,nbpfaxi64dmac8b16" +- #dma-cells: must be 2: the first integer is a terminal number, to which this + slave is connected, the second one is flags. Flags is a bitmask + with the following bits defined: + +#define NBPF_SLAVE_RQ_HIGH 1 +#define NBPF_SLAVE_RQ_LOW 2 +#define NBPF_SLAVE_RQ_LEVEL 4 + +Optional properties: + +You can use dma-channels and dma-requests as described in dma.txt, although they +won't be used, this information is derived from the compatibility string. + +Example: + + dma: dma-controller@48000000 { + compatible = "renesas,nbpfaxi64dmac8b4"; + reg = <0x48000000 0x400>; + interrupts = <0 12 0x4 + 0 13 0x4 + 0 14 0x4 + 0 15 0x4 + 0 16 0x4 + 0 17 0x4 + 0 18 0x4 + 0 19 0x4>; + #dma-cells = <2>; + dma-channels = <8>; + dma-requests = <8>; + }; + +* DMA client + +Required properties: + +dmas and dma-names are required, as described in dma.txt. + +Example: + +#include <dt-bindings/dma/nbpfaxi.h> + +... + dmas = <&dma 0 (NBPF_SLAVE_RQ_HIGH | NBPF_SLAVE_RQ_LEVEL) + &dma 1 (NBPF_SLAVE_RQ_HIGH | NBPF_SLAVE_RQ_LEVEL)>; + dma-names = "rx", "tx"; diff --git a/Documentation/devicetree/bindings/dma/rcar-audmapp.txt b/Documentation/devicetree/bindings/dma/rcar-audmapp.txt new file mode 100644 index 000000000000..9f1d750d76de --- /dev/null +++ b/Documentation/devicetree/bindings/dma/rcar-audmapp.txt @@ -0,0 +1,29 @@ +* R-Car Audio DMAC peri peri Device Tree bindings + +Required properties: +- compatible: should be "renesas,rcar-audmapp" +- #dma-cells: should be <1>, see "dmas" property below + +Example: + audmapp: audio-dma-pp@0xec740000 { + compatible = "renesas,rcar-audmapp"; + #dma-cells = <1>; + + reg = <0 0xec740000 0 0x200>; + }; + + +* DMA client + +Required properties: +- dmas: a list of <[DMA multiplexer phandle] [SRS/DRS value]> pairs, + where SRS/DRS values are fixed handles, specified in the SoC + manual as the value that would be written into the PDMACHCR. +- dma-names: a list of DMA channel names, one per "dmas" entry + +Example: + + dmas = <&audmapp 0x2d00 + &audmapp 0x3700>; + dma-names = "src0_ssiu0", + "dvc0_ssiu0"; diff --git a/Documentation/devicetree/bindings/dma/renesas,rcar-dmac.txt b/Documentation/devicetree/bindings/dma/renesas,rcar-dmac.txt new file mode 100644 index 000000000000..df0f48bcf75a --- /dev/null +++ b/Documentation/devicetree/bindings/dma/renesas,rcar-dmac.txt @@ -0,0 +1,98 @@ +* Renesas R-Car DMA Controller Device Tree bindings + +Renesas R-Car Generation 2 SoCs have have multiple multi-channel DMA +controller instances named DMAC capable of serving multiple clients. Channels +can be dedicated to specific clients or shared between a large number of +clients. + +DMA clients are connected to the DMAC ports referenced by an 8-bit identifier +called MID/RID. + +Each DMA client is connected to one dedicated port of the DMAC, identified by +an 8-bit port number called the MID/RID. A DMA controller can thus serve up to +256 clients in total. When the number of hardware channels is lower than the +number of clients to be served, channels must be shared between multiple DMA +clients. The association of DMA clients to DMAC channels is fully dynamic and +not described in these device tree bindings. + +Required Properties: + +- compatible: must contain "renesas,rcar-dmac" + +- reg: base address and length of the registers block for the DMAC + +- interrupts: interrupt specifiers for the DMAC, one for each entry in + interrupt-names. +- interrupt-names: one entry per channel, named "ch%u", where %u is the + channel number ranging from zero to the number of channels minus one. + +- clock-names: "fck" for the functional clock +- clocks: a list of phandle + clock-specifier pairs, one for each entry + in clock-names. +- clock-names: must contain "fck" for the functional clock. + +- #dma-cells: must be <1>, the cell specifies the MID/RID of the DMAC port + connected to the DMA client +- dma-channels: number of DMA channels + +Example: R8A7790 (R-Car H2) SYS-DMACs + + dmac0: dma-controller@e6700000 { + compatible = "renesas,rcar-dmac"; + reg = <0 0xe6700000 0 0x20000>; + interrupts = <0 197 IRQ_TYPE_LEVEL_HIGH + 0 200 IRQ_TYPE_LEVEL_HIGH + 0 201 IRQ_TYPE_LEVEL_HIGH + 0 202 IRQ_TYPE_LEVEL_HIGH + 0 203 IRQ_TYPE_LEVEL_HIGH + 0 204 IRQ_TYPE_LEVEL_HIGH + 0 205 IRQ_TYPE_LEVEL_HIGH + 0 206 IRQ_TYPE_LEVEL_HIGH + 0 207 IRQ_TYPE_LEVEL_HIGH + 0 208 IRQ_TYPE_LEVEL_HIGH + 0 209 IRQ_TYPE_LEVEL_HIGH + 0 210 IRQ_TYPE_LEVEL_HIGH + 0 211 IRQ_TYPE_LEVEL_HIGH + 0 212 IRQ_TYPE_LEVEL_HIGH + 0 213 IRQ_TYPE_LEVEL_HIGH + 0 214 IRQ_TYPE_LEVEL_HIGH>; + interrupt-names = "error", + "ch0", "ch1", "ch2", "ch3", + "ch4", "ch5", "ch6", "ch7", + "ch8", "ch9", "ch10", "ch11", + "ch12", "ch13", "ch14"; + clocks = <&mstp2_clks R8A7790_CLK_SYS_DMAC0>; + clock-names = "fck"; + #dma-cells = <1>; + dma-channels = <15>; + }; + + dmac1: dma-controller@e6720000 { + compatible = "renesas,rcar-dmac"; + reg = <0 0xe6720000 0 0x20000>; + interrupts = <0 220 IRQ_TYPE_LEVEL_HIGH + 0 216 IRQ_TYPE_LEVEL_HIGH + 0 217 IRQ_TYPE_LEVEL_HIGH + 0 218 IRQ_TYPE_LEVEL_HIGH + 0 219 IRQ_TYPE_LEVEL_HIGH + 0 308 IRQ_TYPE_LEVEL_HIGH + 0 309 IRQ_TYPE_LEVEL_HIGH + 0 310 IRQ_TYPE_LEVEL_HIGH + 0 311 IRQ_TYPE_LEVEL_HIGH + 0 312 IRQ_TYPE_LEVEL_HIGH + 0 313 IRQ_TYPE_LEVEL_HIGH + 0 314 IRQ_TYPE_LEVEL_HIGH + 0 315 IRQ_TYPE_LEVEL_HIGH + 0 316 IRQ_TYPE_LEVEL_HIGH + 0 317 IRQ_TYPE_LEVEL_HIGH + 0 318 IRQ_TYPE_LEVEL_HIGH>; + interrupt-names = "error", + "ch0", "ch1", "ch2", "ch3", + "ch4", "ch5", "ch6", "ch7", + "ch8", "ch9", "ch10", "ch11", + "ch12", "ch13", "ch14"; + clocks = <&mstp2_clks R8A7790_CLK_SYS_DMAC1>; + clock-names = "fck"; + #dma-cells = <1>; + dma-channels = <15>; + }; diff --git a/Documentation/devicetree/bindings/dma/ste-dma40.txt b/Documentation/devicetree/bindings/dma/ste-dma40.txt index 1f5729f10621..95800ab37bb0 100644 --- a/Documentation/devicetree/bindings/dma/ste-dma40.txt +++ b/Documentation/devicetree/bindings/dma/ste-dma40.txt @@ -35,9 +35,11 @@ Required properties: Each dmas request consists of 4 cells: 1. A phandle pointing to the DMA controller - 2. Device Type + 2. Device signal number, the signal line for single and burst requests + connected from the device to the DMA40 engine 3. The DMA request line number (only when 'use fixed channel' is set) - 4. A 32bit mask specifying; mode, direction and endianness [NB: This list will grow] + 4. A 32bit mask specifying; mode, direction and endianness + [NB: This list will grow] 0x00000001: Mode: Logical channel when unset Physical channel when set @@ -54,6 +56,74 @@ Each dmas request consists of 4 cells: Normal priority when unset High priority when set +Existing signal numbers for the DB8500 ASIC. Unless specified, the signals are +bidirectional, i.e. the same for RX and TX operations: + +0: SPI controller 0 +1: SD/MMC controller 0 (unused) +2: SD/MMC controller 1 (unused) +3: SD/MMC controller 2 (unused) +4: I2C port 1 +5: I2C port 3 +6: I2C port 2 +7: I2C port 4 +8: Synchronous Serial Port SSP0 +9: Synchronous Serial Port SSP1 +10: Multi-Channel Display Engine MCDE RX +11: UART port 2 +12: UART port 1 +13: UART port 0 +14: Multirate Serial Port MSP2 +15: I2C port 0 +16: USB OTG in/out endpoints 7 & 15 +17: USB OTG in/out endpoints 6 & 14 +18: USB OTG in/out endpoints 5 & 13 +19: USB OTG in/out endpoints 4 & 12 +20: SLIMbus or HSI channel 0 +21: SLIMbus or HSI channel 1 +22: SLIMbus or HSI channel 2 +23: SLIMbus or HSI channel 3 +24: Multimedia DSP SXA0 +25: Multimedia DSP SXA1 +26: Multimedia DSP SXA2 +27: Multimedia DSP SXA3 +28: SD/MM controller 2 +29: SD/MM controller 0 +30: MSP port 1 on DB8500 v1, MSP port 3 on DB8500 v2 +31: MSP port 0 or SLIMbus channel 0 +32: SD/MM controller 1 +33: SPI controller 2 +34: i2c3 RX2 TX2 +35: SPI controller 1 +36: USB OTG in/out endpoints 3 & 11 +37: USB OTG in/out endpoints 2 & 10 +38: USB OTG in/out endpoints 1 & 9 +39: USB OTG in/out endpoints 8 +40: SPI controller 3 +41: SD/MM controller 3 +42: SD/MM controller 4 +43: SD/MM controller 5 +44: Multimedia DSP SXA4 +45: Multimedia DSP SXA5 +46: SLIMbus channel 8 or Multimedia DSP SXA6 +47: SLIMbus channel 9 or Multimedia DSP SXA7 +48: Crypto Accelerator 1 +49: Crypto Accelerator 1 TX or Hash Accelerator 1 TX +50: Hash Accelerator 1 TX +51: memcpy TX (to be used by the DMA driver for memcpy operations) +52: SLIMbus or HSI channel 4 +53: SLIMbus or HSI channel 5 +54: SLIMbus or HSI channel 6 +55: SLIMbus or HSI channel 7 +56: memcpy (to be used by the DMA driver for memcpy operations) +57: memcpy (to be used by the DMA driver for memcpy operations) +58: memcpy (to be used by the DMA driver for memcpy operations) +59: memcpy (to be used by the DMA driver for memcpy operations) +60: memcpy (to be used by the DMA driver for memcpy operations) +61: Crypto Accelerator 0 +62: Crypto Accelerator 0 TX or Hash Accelerator 0 TX +63: Hash Accelerator 0 TX + Example: uart@80120000 { diff --git a/Documentation/devicetree/bindings/dma/sun6i-dma.txt b/Documentation/devicetree/bindings/dma/sun6i-dma.txt new file mode 100644 index 000000000000..3e145c1675b1 --- /dev/null +++ b/Documentation/devicetree/bindings/dma/sun6i-dma.txt @@ -0,0 +1,45 @@ +Allwinner A31 DMA Controller + +This driver follows the generic DMA bindings defined in dma.txt. + +Required properties: + +- compatible: Must be "allwinner,sun6i-a31-dma" +- reg: Should contain the registers base address and length +- interrupts: Should contain a reference to the interrupt used by this device +- clocks: Should contain a reference to the parent AHB clock +- resets: Should contain a reference to the reset controller asserting + this device in reset +- #dma-cells : Should be 1, a single cell holding a line request number + +Example: + dma: dma-controller@01c02000 { + compatible = "allwinner,sun6i-a31-dma"; + reg = <0x01c02000 0x1000>; + interrupts = <0 50 4>; + clocks = <&ahb1_gates 6>; + resets = <&ahb1_rst 6>; + #dma-cells = <1>; + }; + +Clients: + +DMA clients connected to the A31 DMA controller must use the format +described in the dma.txt file, using a two-cell specifier for each +channel: a phandle plus one integer cells. +The two cells in order are: + +1. A phandle pointing to the DMA controller. +2. The port ID as specified in the datasheet + +Example: +spi2: spi@01c6a000 { + compatible = "allwinner,sun6i-a31-spi"; + reg = <0x01c6a000 0x1000>; + interrupts = <0 67 4>; + clocks = <&ahb1_gates 22>, <&spi2_clk>; + clock-names = "ahb", "mod"; + dmas = <&dma 25>, <&dma 25>; + dma-names = "rx", "tx"; + resets = <&ahb1_rst 22>; +}; diff --git a/Documentation/devicetree/bindings/interrupt-controller/interrupts.txt b/Documentation/devicetree/bindings/interrupt-controller/interrupts.txt index 1486497a24c1..ce6a1a072028 100644 --- a/Documentation/devicetree/bindings/interrupt-controller/interrupts.txt +++ b/Documentation/devicetree/bindings/interrupt-controller/interrupts.txt @@ -4,11 +4,13 @@ Specifying interrupt information for devices 1) Interrupt client nodes ------------------------- -Nodes that describe devices which generate interrupts must contain an either an -"interrupts" property or an "interrupts-extended" property. These properties -contain a list of interrupt specifiers, one per output interrupt. The format of -the interrupt specifier is determined by the interrupt controller to which the -interrupts are routed; see section 2 below for details. +Nodes that describe devices which generate interrupts must contain an +"interrupts" property, an "interrupts-extended" property, or both. If both are +present, the latter should take precedence; the former may be provided simply +for compatibility with software that does not recognize the latter. These +properties contain a list of interrupt specifiers, one per output interrupt. The +format of the interrupt specifier is determined by the interrupt controller to +which the interrupts are routed; see section 2 below for details. Example: interrupt-parent = <&intc1>; diff --git a/Documentation/devicetree/bindings/mmc/exynos-dw-mshc.txt b/Documentation/devicetree/bindings/mmc/exynos-dw-mshc.txt index 532b1d440abc..6cd3525d0e09 100644 --- a/Documentation/devicetree/bindings/mmc/exynos-dw-mshc.txt +++ b/Documentation/devicetree/bindings/mmc/exynos-dw-mshc.txt @@ -46,13 +46,14 @@ Required Properties: - if CIU clock divider value is 0 (that is divide by 1), both tx and rx phase shift clocks should be 0. -Required properties for a slot: +Required properties for a slot (Deprecated - Recommend to use one slot per host): * gpios: specifies a list of gpios used for command, clock and data bus. The first gpio is the command line and the second gpio is the clock line. The rest of the gpios (depending on the bus-width property) are the data lines in no particular order. The format of the gpio specifier depends on the gpio controller. +(Deprecated - Refer to Documentation/devicetree/binding/pinctrl/samsung-pinctrl.txt) Example: @@ -69,21 +70,13 @@ Example: dwmmc0@12200000 { num-slots = <1>; - supports-highspeed; + cap-mmc-highspeed; + cap-sd-highspeed; broken-cd; fifo-depth = <0x80>; card-detect-delay = <200>; samsung,dw-mshc-ciu-div = <3>; samsung,dw-mshc-sdr-timing = <2 3>; samsung,dw-mshc-ddr-timing = <1 2>; - - slot@0 { - reg = <0>; - bus-width = <8>; - gpios = <&gpc0 0 2 0 3>, <&gpc0 1 2 0 3>, - <&gpc1 0 2 3 3>, <&gpc1 1 2 3 3>, - <&gpc1 2 2 3 3>, <&gpc1 3 2 3 3>, - <&gpc0 3 2 3 3>, <&gpc0 4 2 3 3>, - <&gpc0 5 2 3 3>, <&gpc0 6 2 3 3>; - }; + bus-width = <8>; }; diff --git a/Documentation/devicetree/bindings/mmc/k3-dw-mshc.txt b/Documentation/devicetree/bindings/mmc/k3-dw-mshc.txt index e5bc49f764d1..3b3544931437 100644 --- a/Documentation/devicetree/bindings/mmc/k3-dw-mshc.txt +++ b/Documentation/devicetree/bindings/mmc/k3-dw-mshc.txt @@ -34,13 +34,11 @@ Example: num-slots = <1>; vmmc-supply = <&ldo12>; fifo-depth = <0x100>; - supports-highspeed; pinctrl-names = "default"; pinctrl-0 = <&sd_pmx_pins &sd_cfg_func1 &sd_cfg_func2>; - slot@0 { - reg = <0>; - bus-width = <4>; - disable-wp; - cd-gpios = <&gpio10 3 0>; - }; + bus-width = <4>; + disable-wp; + cd-gpios = <&gpio10 3 0>; + cap-mmc-highspeed; + cap-sd-highspeed; }; diff --git a/Documentation/devicetree/bindings/mmc/mmc.txt b/Documentation/devicetree/bindings/mmc/mmc.txt index 3c18001dfd5d..431716e37a39 100644 --- a/Documentation/devicetree/bindings/mmc/mmc.txt +++ b/Documentation/devicetree/bindings/mmc/mmc.txt @@ -34,8 +34,8 @@ Optional properties: - cap-power-off-card: powering off the card is safe - cap-sdio-irq: enable SDIO IRQ signalling on this interface - full-pwr-cycle: full power cycle of the card is supported -- mmc-highspeed-ddr-1_8v: eMMC high-speed DDR mode(1.8V I/O) is supported -- mmc-highspeed-ddr-1_2v: eMMC high-speed DDR mode(1.2V I/O) is supported +- mmc-ddr-1_8v: eMMC high-speed DDR mode(1.8V I/O) is supported +- mmc-ddr-1_2v: eMMC high-speed DDR mode(1.2V I/O) is supported - mmc-hs200-1_8v: eMMC HS200 mode(1.8V I/O) is supported - mmc-hs200-1_2v: eMMC HS200 mode(1.2V I/O) is supported - mmc-hs400-1_8v: eMMC HS400 mode(1.8V I/O) is supported diff --git a/Documentation/devicetree/bindings/mmc/renesas,mmcif.txt b/Documentation/devicetree/bindings/mmc/renesas,mmcif.txt new file mode 100644 index 000000000000..299081f94abd --- /dev/null +++ b/Documentation/devicetree/bindings/mmc/renesas,mmcif.txt @@ -0,0 +1,32 @@ +* Renesas Multi Media Card Interface (MMCIF) Controller + +This file documents differences between the core properties in mmc.txt +and the properties used by the MMCIF device. + + +Required properties: + +- compatible: must contain one of the following + - "renesas,mmcif-r8a7740" for the MMCIF found in r8a7740 SoCs + - "renesas,mmcif-r8a7790" for the MMCIF found in r8a7790 SoCs + - "renesas,mmcif-r8a7791" for the MMCIF found in r8a7791 SoCs + - "renesas,sh-mmcif" for the generic MMCIF + +- clocks: reference to the functional clock + +- dmas: reference to the DMA channels, one per channel name listed in the + dma-names property. +- dma-names: must contain "tx" for the transmit DMA channel and "rx" for the + receive DMA channel. + + +Example: R8A7790 (R-Car H2) MMCIF0 + + mmcif0: mmc@ee200000 { + compatible = "renesas,mmcif-r8a7790", "renesas,sh-mmcif"; + reg = <0 0xee200000 0 0x80>; + interrupts = <0 169 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&mstp3_clks R8A7790_CLK_MMCIF0>; + dmas = <&dmac0 0xd1>, <&dmac0 0xd2>; + dma-names = "tx", "rx"; + }; diff --git a/Documentation/devicetree/bindings/mmc/sdhci-msm.txt b/Documentation/devicetree/bindings/mmc/sdhci-msm.txt index 81b33b5b20fc..485483a63d8c 100644 --- a/Documentation/devicetree/bindings/mmc/sdhci-msm.txt +++ b/Documentation/devicetree/bindings/mmc/sdhci-msm.txt @@ -27,8 +27,8 @@ Example: bus-width = <8>; non-removable; - vmmc = <&pm8941_l20>; - vqmmc = <&pm8941_s3>; + vmmc-supply = <&pm8941_l20>; + vqmmc-supply = <&pm8941_s3>; pinctrl-names = "default"; pinctrl-0 = <&sdc1_clk &sdc1_cmd &sdc1_data>; @@ -44,8 +44,8 @@ Example: bus-width = <4>; cd-gpios = <&msmgpio 62 0x1>; - vmmc = <&pm8941_l21>; - vqmmc = <&pm8941_l13>; + vmmc-supply = <&pm8941_l21>; + vqmmc-supply = <&pm8941_l13>; pinctrl-names = "default"; pinctrl-0 = <&sdc2_clk &sdc2_cmd &sdc2_data>; diff --git a/Documentation/devicetree/bindings/mmc/sdhci-st.txt b/Documentation/devicetree/bindings/mmc/sdhci-st.txt new file mode 100644 index 000000000000..7527db447a35 --- /dev/null +++ b/Documentation/devicetree/bindings/mmc/sdhci-st.txt @@ -0,0 +1,33 @@ +* STMicroelectronics sdhci-st MMC/SD controller + +This file documents the differences between the core properties in +Documentation/devicetree/bindings/mmc/mmc.txt and the properties +used by the sdhci-st driver. + +Required properties: +- compatible : Must be "st,sdhci" +- clock-names : Should be "mmc" + See: Documentation/devicetree/bindings/resource-names.txt +- clocks : Phandle of the clock used by the sdhci controler + See: Documentation/devicetree/bindings/clock/clock-bindings.txt + +Optional properties: +- non-removable: non-removable slot + See: Documentation/devicetree/bindings/mmc/mmc.txt +- bus-width: Number of data lines + See: Documentation/devicetree/bindings/mmc/mmc.txt + +Example: + +mmc0: sdhci@fe81e000 { + compatible = "st,sdhci"; + status = "disabled"; + reg = <0xfe81e000 0x1000>; + interrupts = <GIC_SPI 127 IRQ_TYPE_NONE>; + interrupt-names = "mmcirq"; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_mmc0>; + clock-names = "mmc"; + clocks = <&clk_s_a1_ls 1>; + bus-width = <8> +}; diff --git a/Documentation/devicetree/bindings/mmc/synopsys-dw-mshc.txt b/Documentation/devicetree/bindings/mmc/synopsys-dw-mshc.txt index 2d4a7258a10d..346c6095a615 100644 --- a/Documentation/devicetree/bindings/mmc/synopsys-dw-mshc.txt +++ b/Documentation/devicetree/bindings/mmc/synopsys-dw-mshc.txt @@ -67,7 +67,8 @@ Optional properties: * card-detect-delay: Delay in milli-seconds before detecting card after card insert event. The default value is 0. -* supports-highspeed: Enables support for high speed cards (up to 50MHz) +* supports-highspeed (DEPRECATED): Enables support for high speed cards (up to 50MHz) + (use "cap-mmc-highspeed" or "cap-sd-highspeed" instead) * broken-cd: as documented in mmc core bindings. @@ -98,14 +99,11 @@ board specific portions as listed below. clock-frequency = <400000000>; clock-freq-min-max = <400000 200000000>; num-slots = <1>; - supports-highspeed; broken-cd; fifo-depth = <0x80>; card-detect-delay = <200>; vmmc-supply = <&buck8>; - - slot@0 { - reg = <0>; - bus-width = <8>; - }; + bus-width = <8>; + cap-mmc-highspeed; + cap-sd-highspeed; }; diff --git a/Documentation/devicetree/bindings/mmc/ti-omap-hsmmc.txt b/Documentation/devicetree/bindings/mmc/ti-omap-hsmmc.txt index ce8056116fb0..76bf087bc889 100644 --- a/Documentation/devicetree/bindings/mmc/ti-omap-hsmmc.txt +++ b/Documentation/devicetree/bindings/mmc/ti-omap-hsmmc.txt @@ -12,6 +12,7 @@ Required properties: Should be "ti,omap3-hsmmc", for OMAP3 controllers Should be "ti,omap3-pre-es3-hsmmc" for OMAP3 controllers pre ES3.0 Should be "ti,omap4-hsmmc", for OMAP4 controllers + Should be "ti,am33xx-hsmmc", for AM335x controllers - ti,hwmods: Must be "mmc<n>", n is controller instance starting 1 Optional properties: @@ -56,3 +57,56 @@ Examples: &edma 25>; dma-names = "tx", "rx"; }; + +[workaround for missing swakeup on am33xx] + +This SOC is missing the swakeup line, it will not detect SDIO irq +while in suspend. + + ------ + | PRCM | + ------ + ^ | + swakeup | | fclk + | v + ------ ------- ----- + | card | -- CIRQ --> | hsmmc | -- IRQ --> | CPU | + ------ ------- ----- + +In suspend the fclk is off and the module is disfunctional. Even register reads +will fail. A small logic in the host will request fclk restore, when an +external event is detected. Once the clock is restored, the host detects the +event normally. Since am33xx doesn't have this line it never wakes from +suspend. + +The workaround is to reconfigure the dat1 line as a GPIO upon suspend. To make +this work, we need to set the named pinctrl states "default" and "idle". +Prepare idle to remux dat1 as a gpio, and default to remux it back as sdio +dat1. The MMC driver will then toggle between idle and default state during +runtime. + +In summary: +1. select matching 'compatible' section, see example below. +2. specify pinctrl states "default" and "idle", "sleep" is optional. +3. specify the gpio irq used for detecting sdio irq in suspend + +If configuration is incomplete, a warning message is emitted "falling back to +polling". Also check the "sdio irq mode" in /sys/kernel/debug/mmc0/regs. Mind +not every application needs SDIO irq, e.g. MMC cards. + + mmc1: mmc@48060100 { + compatible = "ti,am33xx-hsmmc"; + ... + pinctrl-names = "default", "idle", "sleep" + pinctrl-0 = <&mmc1_pins>; + pinctrl-1 = <&mmc1_idle>; + pinctrl-2 = <&mmc1_sleep>; + ... + interrupts-extended = <&intc 64 &gpio2 28 0>; + }; + + mmc1_idle : pinmux_cirq_pin { + pinctrl-single,pins = < + 0x0f8 0x3f /* GPIO2_28 */ + >; + }; diff --git a/Documentation/devicetree/bindings/mmc/tmio_mmc.txt b/Documentation/devicetree/bindings/mmc/tmio_mmc.txt index 6a2a1160a70d..fa0f327cde01 100644 --- a/Documentation/devicetree/bindings/mmc/tmio_mmc.txt +++ b/Documentation/devicetree/bindings/mmc/tmio_mmc.txt @@ -18,6 +18,7 @@ Required properties: "renesas,sdhi-r8a7778" - SDHI IP on R8A7778 SoC "renesas,sdhi-r8a7779" - SDHI IP on R8A7779 SoC "renesas,sdhi-r8a7790" - SDHI IP on R8A7790 SoC + "renesas,sdhi-r8a7791" - SDHI IP on R8A7791 SoC Optional properties: - toshiba,mmc-wrprotect-disable: write-protect detection is unavailable diff --git a/Documentation/devicetree/bindings/net/apm-xgene-enet.txt b/Documentation/devicetree/bindings/net/apm-xgene-enet.txt new file mode 100644 index 000000000000..ebcad25efd0a --- /dev/null +++ b/Documentation/devicetree/bindings/net/apm-xgene-enet.txt @@ -0,0 +1,66 @@ +APM X-Gene SoC Ethernet nodes + +Ethernet nodes are defined to describe on-chip ethernet interfaces in +APM X-Gene SoC. + +Required properties: +- compatible: Should be "apm,xgene-enet" +- reg: Address and length of the register set for the device. It contains the + information of registers in the same order as described by reg-names +- reg-names: Should contain the register set names + - "enet_csr": Ethernet control and status register address space + - "ring_csr": Descriptor ring control and status register address space + - "ring_cmd": Descriptor ring command register address space +- interrupts: Ethernet main interrupt +- clocks: Reference to the clock entry. +- local-mac-address: MAC address assigned to this device +- phy-connection-type: Interface type between ethernet device and PHY device +- phy-handle: Reference to a PHY node connected to this device + +- mdio: Device tree subnode with the following required properties: + - compatible: Must be "apm,xgene-mdio". + - #address-cells: Must be <1>. + - #size-cells: Must be <0>. + + For the phy on the mdio bus, there must be a node with the following fields: + - compatible: PHY identifier. Please refer ./phy.txt for the format. + - reg: The ID number for the phy. + +Optional properties: +- status: Should be "ok" or "disabled" for enabled/disabled. Default is "ok". + +Example: + menetclk: menetclk { + compatible = "apm,xgene-device-clock"; + clock-output-names = "menetclk"; + status = "ok"; + }; + + menet: ethernet@17020000 { + compatible = "apm,xgene-enet"; + status = "disabled"; + reg = <0x0 0x17020000 0x0 0xd100>, + <0x0 0X17030000 0x0 0X400>, + <0x0 0X10000000 0x0 0X200>; + reg-names = "enet_csr", "ring_csr", "ring_cmd"; + interrupts = <0x0 0x3c 0x4>; + clocks = <&menetclk 0>; + local-mac-address = [00 01 73 00 00 01]; + phy-connection-type = "rgmii"; + phy-handle = <&menetphy>; + mdio { + compatible = "apm,xgene-mdio"; + #address-cells = <1>; + #size-cells = <0>; + menetphy: menetphy@3 { + compatible = "ethernet-phy-id001c.c915"; + reg = <0x3>; + }; + + }; + }; + +/* Board-specific peripheral configurations */ +&menet { + status = "ok"; +}; diff --git a/Documentation/devicetree/bindings/net/fsl-fec.txt b/Documentation/devicetree/bindings/net/fsl-fec.txt index 6bc84adb10c0..8a2c7b55ec16 100644 --- a/Documentation/devicetree/bindings/net/fsl-fec.txt +++ b/Documentation/devicetree/bindings/net/fsl-fec.txt @@ -12,7 +12,14 @@ Optional properties: only if property "phy-reset-gpios" is available. Missing the property will have the duration be 1 millisecond. Numbers greater than 1000 are invalid and 1 millisecond will be used instead. -- phy-supply: regulator that powers the Ethernet PHY. +- phy-supply : regulator that powers the Ethernet PHY. +- phy-handle : phandle to the PHY device connected to this device. +- fixed-link : Assume a fixed link. See fixed-link.txt in the same directory. + Use instead of phy-handle. + +Optional subnodes: +- mdio : specifies the mdio bus in the FEC, used as a container for phy nodes + according to phy.txt in the same directory Example: @@ -25,3 +32,23 @@ ethernet@83fec000 { local-mac-address = [00 04 9F 01 1B B9]; phy-supply = <®_fec_supply>; }; + +Example with phy specified: + +ethernet@83fec000 { + compatible = "fsl,imx51-fec", "fsl,imx27-fec"; + reg = <0x83fec000 0x4000>; + interrupts = <87>; + phy-mode = "mii"; + phy-reset-gpios = <&gpio2 14 0>; /* GPIO2_14 */ + local-mac-address = [00 04 9F 01 1B B9]; + phy-supply = <®_fec_supply>; + phy-handle = <ðphy>; + mdio { + ethphy: ethernet-phy@6 { + compatible = "ethernet-phy-ieee802.3-c22"; + reg = <6>; + max-speed = <100>; + }; + }; +}; diff --git a/Documentation/devicetree/bindings/pci/designware-pcie.txt b/Documentation/devicetree/bindings/pci/designware-pcie.txt index d0d15ee42834..ed0d9b9fff2b 100644 --- a/Documentation/devicetree/bindings/pci/designware-pcie.txt +++ b/Documentation/devicetree/bindings/pci/designware-pcie.txt @@ -2,6 +2,10 @@ Required properties: - compatible: should contain "snps,dw-pcie" to identify the core. +- reg: Should contain the configuration address space. +- reg-names: Must be "config" for the PCIe configuration space. + (The old way of getting the configuration address space from "ranges" + is deprecated and should be avoided.) - #address-cells: set to <3> - #size-cells: set to <2> - device_type: set to "pci" diff --git a/Documentation/devicetree/bindings/pci/ti-pci.txt b/Documentation/devicetree/bindings/pci/ti-pci.txt new file mode 100644 index 000000000000..3d217911b313 --- /dev/null +++ b/Documentation/devicetree/bindings/pci/ti-pci.txt @@ -0,0 +1,59 @@ +TI PCI Controllers + +PCIe Designware Controller + - compatible: Should be "ti,dra7-pcie"" + - reg : Two register ranges as listed in the reg-names property + - reg-names : The first entry must be "ti-conf" for the TI specific registers + The second entry must be "rc-dbics" for the designware pcie + registers + The third entry must be "config" for the PCIe configuration space + - phys : list of PHY specifiers (used by generic PHY framework) + - phy-names : must be "pcie-phy0", "pcie-phy1", "pcie-phyN".. based on the + number of PHYs as specified in *phys* property. + - ti,hwmods : Name of the hwmod associated to the pcie, "pcie<X>", + where <X> is the instance number of the pcie from the HW spec. + - interrupts : Two interrupt entries must be specified. The first one is for + main interrupt line and the second for MSI interrupt line. + - #address-cells, + #size-cells, + #interrupt-cells, + device_type, + ranges, + num-lanes, + interrupt-map-mask, + interrupt-map : as specified in ../designware-pcie.txt + +Example: +axi { + compatible = "simple-bus"; + #size-cells = <1>; + #address-cells = <1>; + ranges = <0x51000000 0x51000000 0x3000 + 0x0 0x20000000 0x10000000>; + pcie@51000000 { + compatible = "ti,dra7-pcie"; + reg = <0x51000000 0x2000>, <0x51002000 0x14c>, <0x1000 0x2000>; + reg-names = "rc_dbics", "ti_conf", "config"; + interrupts = <0 232 0x4>, <0 233 0x4>; + #address-cells = <3>; + #size-cells = <2>; + device_type = "pci"; + ranges = <0x81000000 0 0 0x03000 0 0x00010000 + 0x82000000 0 0x20013000 0x13000 0 0xffed000>; + #interrupt-cells = <1>; + num-lanes = <1>; + ti,hwmods = "pcie1"; + phys = <&pcie1_phy>; + phy-names = "pcie-phy0"; + interrupt-map-mask = <0 0 0 7>; + interrupt-map = <0 0 0 1 &pcie_intc 1>, + <0 0 0 2 &pcie_intc 2>, + <0 0 0 3 &pcie_intc 3>, + <0 0 0 4 &pcie_intc 4>; + pcie_intc: interrupt-controller { + interrupt-controller; + #address-cells = <0>; + #interrupt-cells = <1>; + }; + }; +}; diff --git a/Documentation/devicetree/bindings/thermal/exynos-thermal.txt b/Documentation/devicetree/bindings/thermal/exynos-thermal.txt index c94909215c07..ae738f562acc 100644 --- a/Documentation/devicetree/bindings/thermal/exynos-thermal.txt +++ b/Documentation/devicetree/bindings/thermal/exynos-thermal.txt @@ -3,6 +3,7 @@ ** Required properties: - compatible : One of the following: + "samsung,exynos3250-tmu" "samsung,exynos4412-tmu" "samsung,exynos4210-tmu" "samsung,exynos5250-tmu" diff --git a/Documentation/devicetree/bindings/thermal/rcar-thermal.txt b/Documentation/devicetree/bindings/thermal/rcar-thermal.txt index 28ef498a66e5..0ef00be44b01 100644 --- a/Documentation/devicetree/bindings/thermal/rcar-thermal.txt +++ b/Documentation/devicetree/bindings/thermal/rcar-thermal.txt @@ -1,7 +1,13 @@ * Renesas R-Car Thermal Required properties: -- compatible : "renesas,rcar-thermal" +- compatible : "renesas,thermal-<soctype>", "renesas,rcar-thermal" + as fallback. + Examples with soctypes are: + - "renesas,thermal-r8a73a4" (R-Mobile AP6) + - "renesas,thermal-r8a7779" (R-Car H1) + - "renesas,thermal-r8a7790" (R-Car H2) + - "renesas,thermal-r8a7791" (R-Car M2) - reg : Address range of the thermal registers. The 1st reg will be recognized as common register if it has "interrupts". @@ -12,18 +18,18 @@ Option properties: Example (non interrupt support): -thermal@e61f0100 { - compatible = "renesas,rcar-thermal"; - reg = <0xe61f0100 0x38>; +thermal@ffc48000 { + compatible = "renesas,thermal-r8a7779", "renesas,rcar-thermal"; + reg = <0xffc48000 0x38>; }; Example (interrupt support): thermal@e61f0000 { - compatible = "renesas,rcar-thermal"; + compatible = "renesas,thermal-r8a73a4", "renesas,rcar-thermal"; reg = <0xe61f0000 0x14 0xe61f0100 0x38 0xe61f0200 0x38 0xe61f0300 0x38>; - interrupts = <0 69 4>; + interrupts = <0 69 IRQ_TYPE_LEVEL_HIGH>; }; diff --git a/Documentation/devicetree/bindings/thermal/st-thermal.txt b/Documentation/devicetree/bindings/thermal/st-thermal.txt new file mode 100644 index 000000000000..3b9251b4a145 --- /dev/null +++ b/Documentation/devicetree/bindings/thermal/st-thermal.txt @@ -0,0 +1,42 @@ +Binding for Thermal Sensor driver for STMicroelectronics STi series of SoCs. + +Required parameters: +------------------- + +compatible : st,<SoC>-<module>-thermal; should be one of: + "st,stih415-sas-thermal", + "st,stih415-mpe-thermal", + "st,stih416-sas-thermal" + "st,stih416-mpe-thermal" + "st,stid127-thermal" or + "st,stih407-thermal" + according to the SoC type (stih415, stih416, stid127, stih407) + and module type (sas or mpe). On stid127 & stih407 there is only + one die/module, so there is no module type in the compatible + string. +clock-names : Should be "thermal". + See: Documentation/devicetree/bindings/resource-names.txt +clocks : Phandle of the clock used by the thermal sensor. + See: Documentation/devicetree/bindings/clock/clock-bindings.txt + +Optional parameters: +------------------- + +reg : For non-sysconf based sensors, this should be the physical base + address and length of the sensor's registers. +interrupts : Standard way to define interrupt number. + Interrupt is mandatory to be defined when compatible is + "stih416-mpe-thermal". + NB: For thermal sensor's for which no interrupt has been + defined, a polling delay of 1000ms will be used to read the + temperature from device. + +Example: + + temp1@fdfe8000 { + compatible = "st,stih416-mpe-thermal"; + reg = <0xfdfe8000 0x10>; + clock-names = "thermal"; + clocks = <&clk_m_mpethsens>; + interrupts = <GIC_SPI 23 IRQ_TYPE_NONE>; + }; diff --git a/Documentation/devicetree/changesets.txt b/Documentation/devicetree/changesets.txt new file mode 100644 index 000000000000..935ba5acc34e --- /dev/null +++ b/Documentation/devicetree/changesets.txt @@ -0,0 +1,40 @@ +A DT changeset is a method which allows one to apply changes +in the live tree in such a way that either the full set of changes +will be applied, or none of them will be. If an error occurs partway +through applying the changeset, then the tree will be rolled back to the +previous state. A changeset can also be removed after it has been +applied. + +When a changeset is applied, all of the changes get applied to the tree +at once before emitting OF_RECONFIG notifiers. This is so that the +receiver sees a complete and consistent state of the tree when it +receives the notifier. + +The sequence of a changeset is as follows. + +1. of_changeset_init() - initializes a changeset + +2. A number of DT tree change calls, of_changeset_attach_node(), +of_changeset_detach_node(), of_changeset_add_property(), +of_changeset_remove_property, of_changeset_update_property() to prepare +a set of changes. No changes to the active tree are made at this point. +All the change operations are recorded in the of_changeset 'entries' +list. + +3. mutex_lock(of_mutex) - starts a changeset; The global of_mutex +ensures there can only be one editor at a time. + +4. of_changeset_apply() - Apply the changes to the tree. Either the +entire changeset will get applied, or if there is an error the tree will +be restored to the previous state + +5. mutex_unlock(of_mutex) - All operations complete, release the mutex + +If a successfully applied changeset needs to be removed, it can be done +with the following sequence. + +1. mutex_lock(of_mutex) + +2. of_changeset_revert() + +3. mutex_unlock(of_mutex) diff --git a/Documentation/devicetree/todo.txt b/Documentation/devicetree/todo.txt new file mode 100644 index 000000000000..c3cf0659bd19 --- /dev/null +++ b/Documentation/devicetree/todo.txt @@ -0,0 +1,11 @@ +Todo list for devicetree: + +=== General structure === +- Switch from custom lists to (h)list_head for nodes and properties structure +- Remove of_allnodes list and iterate using list of child nodes alone + +=== CONFIG_OF_DYNAMIC === +- Switch to RCU for tree updates and get rid of global spinlock +- Document node lifecycle for CONFIG_OF_DYNAMIC +- Always set ->full_name at of_attach_node() time +- pseries: Get rid of open-coded tree modification from arch/powerpc/platforms/pseries/dlpar.c diff --git a/Documentation/dmaengine.txt b/Documentation/dmaengine.txt index 879b6e31e2da..573e28ce9751 100644 --- a/Documentation/dmaengine.txt +++ b/Documentation/dmaengine.txt @@ -84,31 +84,32 @@ The slave DMA usage consists of following steps: the given transaction. Interface: - struct dma_async_tx_descriptor *(*chan->device->device_prep_slave_sg)( + struct dma_async_tx_descriptor *dmaengine_prep_slave_sg( struct dma_chan *chan, struct scatterlist *sgl, unsigned int sg_len, enum dma_data_direction direction, unsigned long flags); - struct dma_async_tx_descriptor *(*chan->device->device_prep_dma_cyclic)( + struct dma_async_tx_descriptor *dmaengine_prep_dma_cyclic( struct dma_chan *chan, dma_addr_t buf_addr, size_t buf_len, size_t period_len, enum dma_data_direction direction); - struct dma_async_tx_descriptor *(*device_prep_interleaved_dma)( + struct dma_async_tx_descriptor *dmaengine_prep_interleaved_dma( struct dma_chan *chan, struct dma_interleaved_template *xt, unsigned long flags); The peripheral driver is expected to have mapped the scatterlist for the DMA operation prior to calling device_prep_slave_sg, and must keep the scatterlist mapped until the DMA operation has completed. - The scatterlist must be mapped using the DMA struct device. So, - normal setup should look like this: + The scatterlist must be mapped using the DMA struct device. + If a mapping needs to be synchronized later, dma_sync_*_for_*() must be + called using the DMA struct device, too. + So, normal setup should look like this: nr_sg = dma_map_sg(chan->device->dev, sgl, sg_len); if (nr_sg == 0) /* error */ - desc = chan->device->device_prep_slave_sg(chan, sgl, nr_sg, - direction, flags); + desc = dmaengine_prep_slave_sg(chan, sgl, nr_sg, direction, flags); Once a descriptor has been obtained, the callback information can be added and the descriptor must then be submitted. Some DMA engine @@ -188,7 +189,7 @@ Further APIs: description of this API. This can be used in conjunction with dma_async_is_complete() and - the cookie returned from 'descriptor->submit()' to check for + the cookie returned from dmaengine_submit() to check for completion of a specific DMA transaction. Note: diff --git a/Documentation/filesystems/Locking b/Documentation/filesystems/Locking index b18dd1779029..f1997e9da61f 100644 --- a/Documentation/filesystems/Locking +++ b/Documentation/filesystems/Locking @@ -349,7 +349,11 @@ prototypes: locking rules: inode->i_lock may block fl_copy_lock: yes no -fl_release_private: maybe no +fl_release_private: maybe maybe[1] + +[1]: ->fl_release_private for flock or POSIX locks is currently allowed +to block. Leases however can still be freed while the i_lock is held and +so fl_release_private called on a lease should not block. ----------------------- lock_manager_operations --------------------------- prototypes: diff --git a/Documentation/filesystems/nfs/Exporting b/Documentation/filesystems/nfs/Exporting index e543b1a619cc..c8f036a9b13f 100644 --- a/Documentation/filesystems/nfs/Exporting +++ b/Documentation/filesystems/nfs/Exporting @@ -66,23 +66,31 @@ b/ A per-superblock list "s_anon" of dentries which are the roots of c/ Helper routines to allocate anonymous dentries, and to help attach loose directory dentries at lookup time. They are: - d_alloc_anon(inode) will return a dentry for the given inode. + d_obtain_alias(inode) will return a dentry for the given inode. If the inode already has a dentry, one of those is returned. If it doesn't, a new anonymous (IS_ROOT and DCACHE_DISCONNECTED) dentry is allocated and attached. In the case of a directory, care is taken that only one dentry can ever be attached. - d_splice_alias(inode, dentry) will make sure that there is a - dentry with the same name and parent as the given dentry, and - which refers to the given inode. - If the inode is a directory and already has a dentry, then that - dentry is d_moved over the given dentry. - If the passed dentry gets attached, care is taken that this is - mutually exclusive to a d_alloc_anon operation. - If the passed dentry is used, NULL is returned, else the used - dentry is returned. This corresponds to the calling pattern of - ->lookup. - + d_splice_alias(inode, dentry) or d_materialise_unique(dentry, inode) + will introduce a new dentry into the tree; either the passed-in + dentry or a preexisting alias for the given inode (such as an + anonymous one created by d_obtain_alias), if appropriate. The two + functions differ in their handling of directories with preexisting + aliases: + d_splice_alias will use any existing IS_ROOT dentry, but it will + return -EIO rather than try to move a dentry with a different + parent. This is appropriate for local filesystems, which + should never see such an alias unless the filesystem is + corrupted somehow (for example, if two on-disk directory + entries refer to the same directory.) + d_materialise_unique will attempt to move any dentry. This is + appropriate for distributed filesystems, where finding a + directory other than where we last cached it may be a normal + consequence of concurrent operations on other hosts. + Both functions return NULL when the passed-in dentry is used, + following the calling convention of ->lookup. + Filesystem Issues ----------------- @@ -120,12 +128,12 @@ struct which has the following members: fh_to_dentry (mandatory) Given a filehandle fragment, this should find the implied object and - create a dentry for it (possibly with d_alloc_anon). + create a dentry for it (possibly with d_obtain_alias). fh_to_parent (optional but strongly recommended) Given a filehandle fragment, this should find the parent of the - implied object and create a dentry for it (possibly with d_alloc_anon). - May fail if the filehandle fragment is too small. + implied object and create a dentry for it (possibly with + d_obtain_alias). May fail if the filehandle fragment is too small. get_parent (optional but strongly recommended) When given a dentry for a directory, this should return a dentry for diff --git a/Documentation/filesystems/vfs.txt b/Documentation/filesystems/vfs.txt index a1d0d7a30165..61d65cc65c54 100644 --- a/Documentation/filesystems/vfs.txt +++ b/Documentation/filesystems/vfs.txt @@ -1053,7 +1053,8 @@ struct dentry_operations { If the 'rcu_walk' parameter is true, then the caller is doing a pathwalk in RCU-walk mode. Sleeping is not permitted in this mode, and the caller can be asked to leave it and call again by returning - -ECHILD. + -ECHILD. -EISDIR may also be returned to tell pathwalk to + ignore d_automount or any mounts. This function is only used if DCACHE_MANAGE_TRANSIT is set on the dentry being transited from. diff --git a/Documentation/infiniband/user_mad.txt b/Documentation/infiniband/user_mad.txt index 8a366959f5cc..7aca13a54a3a 100644 --- a/Documentation/infiniband/user_mad.txt +++ b/Documentation/infiniband/user_mad.txt @@ -26,6 +26,11 @@ Creating MAD agents ioctl. Also, all agents registered through a file descriptor will be unregistered when the descriptor is closed. + 2014 -- a new registration ioctl is now provided which allows additional + fields to be provided during registration. + Users of this registration call are implicitly setting the use of + pkey_index (see below). + Receiving MADs MADs are received using read(). The receive side now supports @@ -104,10 +109,10 @@ P_Key Index Handling The old ib_umad interface did not allow setting the P_Key index for MADs that are sent and did not provide a way for obtaining the P_Key index of received MADs. A new layout for struct ib_user_mad_hdr - with a pkey_index member has been defined; however, to preserve - binary compatibility with older applications, this new layout will - not be used unless the IB_USER_MAD_ENABLE_PKEY ioctl is called - before a file descriptor is used for anything else. + with a pkey_index member has been defined; however, to preserve binary + compatibility with older applications, this new layout will not be used + unless one of IB_USER_MAD_ENABLE_PKEY or IB_USER_MAD_REGISTER_AGENT2 ioctl's + are called before a file descriptor is used for anything else. In September 2008, the IB_USER_MAD_ABI_VERSION will be incremented to 6, the new layout of struct ib_user_mad_hdr will be used by diff --git a/Documentation/kbuild/00-INDEX b/Documentation/kbuild/00-INDEX index e8d2b6d83a3d..8c5e6aa78004 100644 --- a/Documentation/kbuild/00-INDEX +++ b/Documentation/kbuild/00-INDEX @@ -1,5 +1,7 @@ 00-INDEX - this file: info on the kernel build process +headers_install.txt + - how to export Linux headers for use by userspace kbuild.txt - developer information on kbuild kconfig.txt diff --git a/Documentation/make/headers_install.txt b/Documentation/kbuild/headers_install.txt index 951eb9f1e040..951eb9f1e040 100644 --- a/Documentation/make/headers_install.txt +++ b/Documentation/kbuild/headers_install.txt diff --git a/Documentation/kbuild/makefiles.txt b/Documentation/kbuild/makefiles.txt index c600e2f44a62..764f5991a3fc 100644 --- a/Documentation/kbuild/makefiles.txt +++ b/Documentation/kbuild/makefiles.txt @@ -23,11 +23,10 @@ This document describes the Linux kernel Makefiles. === 4 Host Program support --- 4.1 Simple Host Program --- 4.2 Composite Host Programs - --- 4.3 Defining shared libraries - --- 4.4 Using C++ for host programs - --- 4.5 Controlling compiler options for host programs - --- 4.6 When host programs are actually built - --- 4.7 Using hostprogs-$(CONFIG_FOO) + --- 4.3 Using C++ for host programs + --- 4.4 Controlling compiler options for host programs + --- 4.5 When host programs are actually built + --- 4.6 Using hostprogs-$(CONFIG_FOO) === 5 Kbuild clean infrastructure @@ -643,29 +642,7 @@ Both possibilities are described in the following. Finally, the two .o files are linked to the executable, lxdialog. Note: The syntax <executable>-y is not permitted for host-programs. ---- 4.3 Defining shared libraries - - Objects with extension .so are considered shared libraries, and - will be compiled as position independent objects. - Kbuild provides support for shared libraries, but the usage - shall be restricted. - In the following example the libkconfig.so shared library is used - to link the executable conf. - - Example: - #scripts/kconfig/Makefile - hostprogs-y := conf - conf-objs := conf.o libkconfig.so - libkconfig-objs := expr.o type.o - - Shared libraries always require a corresponding -objs line, and - in the example above the shared library libkconfig is composed by - the two objects expr.o and type.o. - expr.o and type.o will be built as position independent code and - linked as a shared library libkconfig.so. C++ is not supported for - shared libraries. - ---- 4.4 Using C++ for host programs +--- 4.3 Using C++ for host programs kbuild offers support for host programs written in C++. This was introduced solely to support kconfig, and is not recommended @@ -688,7 +665,7 @@ Both possibilities are described in the following. qconf-cxxobjs := qconf.o qconf-objs := check.o ---- 4.5 Controlling compiler options for host programs +--- 4.4 Controlling compiler options for host programs When compiling host programs, it is possible to set specific flags. The programs will always be compiled utilising $(HOSTCC) passed @@ -716,7 +693,7 @@ Both possibilities are described in the following. When linking qconf, it will be passed the extra option "-L$(QTDIR)/lib". ---- 4.6 When host programs are actually built +--- 4.5 When host programs are actually built Kbuild will only build host-programs when they are referenced as a prerequisite. @@ -747,7 +724,7 @@ Both possibilities are described in the following. This will tell kbuild to build lxdialog even if not referenced in any rule. ---- 4.7 Using hostprogs-$(CONFIG_FOO) +--- 4.6 Using hostprogs-$(CONFIG_FOO) A typical pattern in a Kbuild file looks like this: diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt index a8eb6afce6a4..5ae8608ca9f5 100644 --- a/Documentation/kernel-parameters.txt +++ b/Documentation/kernel-parameters.txt @@ -2200,6 +2200,21 @@ bytes respectively. Such letter suffixes can also be entirely omitted. and restore using xsave. The kernel will fallback to enabling legacy floating-point and sse state. + noxsaveopt [X86] Disables xsaveopt used in saving x86 extended + register states. The kernel will fall back to use + xsave to save the states. By using this parameter, + performance of saving the states is degraded because + xsave doesn't support modified optimization while + xsaveopt supports it on xsaveopt enabled systems. + + noxsaves [X86] Disables xsaves and xrstors used in saving and + restoring x86 extended register state in compacted + form of xsave area. The kernel will fall back to use + xsaveopt and xrstor to save and restore the states + in standard form of xsave area. By using this + parameter, xsave area per process might occupy more + memory on xsaves enabled systems. + eagerfpu= [X86] on enable eager fpu restore off disable eager fpu restore diff --git a/Documentation/laptops/00-INDEX b/Documentation/laptops/00-INDEX index d399ae1fc724..a3b4f209e562 100644 --- a/Documentation/laptops/00-INDEX +++ b/Documentation/laptops/00-INDEX @@ -18,3 +18,5 @@ sonypi.txt - info on Linux Sony Programmable I/O Device support. thinkpad-acpi.txt - information on the (IBM and Lenovo) ThinkPad ACPI Extras driver. +toshiba_haps.txt + - information on the Toshiba HDD Active Protection Sensor driver. diff --git a/Documentation/laptops/toshiba_haps.txt b/Documentation/laptops/toshiba_haps.txt new file mode 100644 index 000000000000..11dbcfdc9e7a --- /dev/null +++ b/Documentation/laptops/toshiba_haps.txt @@ -0,0 +1,76 @@ +Kernel driver toshiba_haps +Toshiba HDD Active Protection Sensor +==================================== + +Author: Azael Avalos <coproscefalo@gmail.com> + + +0. Contents +----------- + +1. Description +2. Interface +3. Accelerometer axes +4. Supported devices +5. Usage + + +1. Description +-------------- + +This driver provides support for the accelerometer found in various Toshiba +laptops, being called "Toshiba HDD Protection - Shock Sensor" officialy, +and detects laptops automatically with this device. +On Windows, Toshiba provided software monitors this device and provides +automatic HDD protection (head unload) on sudden moves or harsh vibrations, +however, this driver only provides a notification via a sysfs file to let +userspace tools or daemons act accordingly, as well as providing a sysfs +file to set the desired protection level or sensor sensibility. + + +2. Interface +------------ + +This device comes with 3 methods: +_STA - Checks existence of the device, returning Zero if the device does not + exists or is not supported. +PTLV - Sets the desired protection level. +RSSS - Shuts down the HDD protection interface for a few seconds, + then restores normal operation. + +Note: +The presence of Solid State Drives (SSD) can make this driver to fail loading, +given the fact that such drives have no movable parts, and thus, not requiring +any "protection" as well as failing during the evaluation of the _STA method +found under this device. + + +3. Accelerometer axes +--------------------- + +This device does not report any axes, however, to query the sensor position +a couple HCI (Hardware Configuration Interface) calls (0x6D and 0xA6) are +provided to query such information, handled by the kernel module toshiba_acpi +since kernel version 3.15. + + +4. Supported devices +-------------------- + +This driver binds itself to the ACPI device TOS620A, and any Toshiba laptop +with this device is supported, given the fact that they have the presence of +conventional HDD and not only SSD, or a combination of both HDD and SSD. + + +5. Usage +-------- + +The sysfs files under /sys/devices/LNXSYSTM:00/LNXSYBUS:00/TOS620A:00/ are: +protection_level - The protection_level is readable and writeable, and + provides a way to let userspace query the current protection + level, as well as set the desired protection level, the + available protection levels are: + 0 - Disabled | 1 - Low | 2 - Medium | 3 - High +reset_protection - The reset_protection entry is writeable only, being "1" + the only parameter it accepts, it is used to trigger + a reset of the protection interface. diff --git a/MAINTAINERS b/MAINTAINERS index 7e2eb4c646e3..05dc39d66920 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -719,6 +719,14 @@ S: Maintained F: drivers/net/appletalk/ F: net/appletalk/ +APPLIED MICRO (APM) X-GENE SOC ETHERNET DRIVER +M: Iyappan Subramanian <isubramanian@apm.com> +M: Keyur Chudgar <kchudgar@apm.com> +M: Ravi Patel <rapatel@apm.com> +S: Supported +F: drivers/net/ethernet/apm/xgene/ +F: Documentation/devicetree/bindings/net/apm-xgene-enet.txt + APTINA CAMERA SENSOR PLL M: Laurent Pinchart <Laurent.pinchart@ideasonboard.com> L: linux-media@vger.kernel.org @@ -6850,6 +6858,14 @@ S: Supported F: Documentation/devicetree/bindings/pci/nvidia,tegra20-pcie.txt F: drivers/pci/host/pci-tegra.c +PCI DRIVER FOR TI DRA7XX +M: Kishon Vijay Abraham I <kishon@ti.com> +L: linux-omap@vger.kernel.org +L: linux-pci@vger.kernel.org +S: Supported +F: Documentation/devicetree/bindings/pci/ti-pci.txt +F: drivers/pci/host/pci-dra7xx.c + PCI DRIVER FOR RENESAS R-CAR M: Simon Horman <horms@verge.net.au> L: linux-pci@vger.kernel.org @@ -7051,6 +7067,7 @@ F: drivers/scsi/pmcraid.* PMC SIERRA PM8001 DRIVER M: xjtuwjp@gmail.com M: lindar_liu@usish.com +L: pmchba@pmcs.com L: linux-scsi@vger.kernel.org S: Supported F: drivers/scsi/pm8001/ @@ -10008,7 +10025,7 @@ F: arch/x86/ X86 PLATFORM DRIVERS M: Matthew Garrett <matthew.garrett@nebula.com> L: platform-driver-x86@vger.kernel.org -T: git git://git.kernel.org/pub/scm/linux/kernel/git/mjg59/platform-drivers-x86.git +T: git git://cavan.codon.org.uk/platform-drivers-x86.git S: Maintained F: drivers/platform/x86/ @@ -1,7 +1,7 @@ VERSION = 3 -PATCHLEVEL = 16 +PATCHLEVEL = 17 SUBLEVEL = 0 -EXTRAVERSION = +EXTRAVERSION = -rc1 NAME = Shuffling Zombie Juror # *DOCUMENTATION* @@ -372,6 +372,7 @@ GENKSYMS = scripts/genksyms/genksyms INSTALLKERNEL := installkernel DEPMOD = /sbin/depmod PERL = perl +PYTHON = python CHECK = sparse CHECKFLAGS := -D__linux__ -Dlinux -D__STDC__ -Dunix -D__unix__ \ @@ -422,7 +423,7 @@ KERNELVERSION = $(VERSION)$(if $(PATCHLEVEL),.$(PATCHLEVEL)$(if $(SUBLEVEL),.$(S export VERSION PATCHLEVEL SUBLEVEL KERNELRELEASE KERNELVERSION export ARCH SRCARCH CONFIG_SHELL HOSTCC HOSTCFLAGS CROSS_COMPILE AS LD CC export CPP AR NM STRIP OBJCOPY OBJDUMP -export MAKE AWK GENKSYMS INSTALLKERNEL PERL UTS_MACHINE +export MAKE AWK GENKSYMS INSTALLKERNEL PERL PYTHON UTS_MACHINE export HOSTCXX HOSTCXXFLAGS LDFLAGS_MODULE CHECK CHECKFLAGS export KBUILD_CPPFLAGS NOSTDINC_FLAGS LINUXINCLUDE OBJCOPYFLAGS LDFLAGS @@ -687,6 +688,7 @@ KBUILD_CFLAGS += $(call cc-disable-warning, tautological-compare) # source of a reference will be _MergedGlobals and not on of the whitelisted names. # See modpost pattern 2 KBUILD_CFLAGS += $(call cc-option, -mno-global-merge,) +KBUILD_CFLAGS += $(call cc-option, -fcatch-undefined-behavior) else # This warning generated too much noise in a regular build. @@ -710,9 +712,16 @@ endif KBUILD_CFLAGS += $(call cc-option, -fno-var-tracking-assignments) ifdef CONFIG_DEBUG_INFO +ifdef CONFIG_DEBUG_INFO_SPLIT +KBUILD_CFLAGS += $(call cc-option, -gsplit-dwarf, -g) +else KBUILD_CFLAGS += -g +endif KBUILD_AFLAGS += -Wa,-gdwarf-2 endif +ifdef CONFIG_DEBUG_INFO_DWARF4 +KBUILD_CFLAGS += $(call cc-option, -gdwarf-4,) +endif ifdef CONFIG_DEBUG_INFO_REDUCED KBUILD_CFLAGS += $(call cc-option, -femit-struct-debug-baseonly) \ @@ -1055,6 +1064,13 @@ headers_check: headers_install $(Q)$(MAKE) $(hdr-inst)=arch/$(hdr-arch)/include/uapi/asm $(hdr-dst) HDRCHECK=1 # --------------------------------------------------------------------------- +# Kernel selftest + +PHONY += kselftest +kselftest: + $(Q)$(MAKE) -C tools/testing/selftests run_tests + +# --------------------------------------------------------------------------- # Modules ifdef CONFIG_MODULES @@ -1241,9 +1257,9 @@ help: @echo ' tags/TAGS - Generate tags file for editors' @echo ' cscope - Generate cscope index' @echo ' gtags - Generate GNU GLOBAL index' - @echo ' kernelrelease - Output the release version string' - @echo ' kernelversion - Output the version stored in Makefile' - @echo ' image_name - Output the image name' + @echo ' kernelrelease - Output the release version string (use with make -s)' + @echo ' kernelversion - Output the version stored in Makefile (use with make -s)' + @echo ' image_name - Output the image name (use with make -s)' @echo ' headers_install - Install sanitised kernel headers to INSTALL_HDR_PATH'; \ echo ' (default: $(INSTALL_HDR_PATH))'; \ echo '' @@ -1257,6 +1273,11 @@ help: @echo ' headerdep - Detect inclusion cycles in headers' @$(MAKE) -f $(srctree)/scripts/Makefile.help checker-help @echo '' + @echo 'Kernel selftest' + @echo ' kselftest - Build and run kernel selftest (run as root)' + @echo ' Build, install, and boot kernel before' + @echo ' running kselftest on it' + @echo '' @echo 'Kernel packaging:' @$(MAKE) $(build)=$(package-dir) help @echo '' @@ -1398,6 +1419,7 @@ clean: $(clean-dirs) @find $(if $(KBUILD_EXTMOD), $(KBUILD_EXTMOD), .) $(RCS_FIND_IGNORE) \ \( -name '*.[oas]' -o -name '*.ko' -o -name '.*.cmd' \ -o -name '*.ko.*' \ + -o -name '*.dwo' \ -o -name '.*.d' -o -name '.*.tmp' -o -name '*.mod.c' \ -o -name '*.symtypes' -o -name 'modules.order' \ -o -name modules.builtin -o -name '.tmp_*.o.*' \ diff --git a/arch/arm/boot/dts/versatile-ab.dts b/arch/arm/boot/dts/versatile-ab.dts index 36c771a2d765..27d0d9c8adf3 100644 --- a/arch/arm/boot/dts/versatile-ab.dts +++ b/arch/arm/boot/dts/versatile-ab.dts @@ -15,6 +15,10 @@ i2c0 = &i2c0; }; + chosen { + stdout-path = &uart0; + }; + memory { reg = <0x0 0x08000000>; }; diff --git a/arch/arm/boot/dts/versatile-pb.dts b/arch/arm/boot/dts/versatile-pb.dts index d025048119d3..e36c1e82fea7 100644 --- a/arch/arm/boot/dts/versatile-pb.dts +++ b/arch/arm/boot/dts/versatile-pb.dts @@ -56,5 +56,3 @@ }; }; }; - -#include <testcases.dtsi> diff --git a/arch/arm/common/edma.c b/arch/arm/common/edma.c index 485be42519b9..88099175fc56 100644 --- a/arch/arm/common/edma.c +++ b/arch/arm/common/edma.c @@ -1414,6 +1414,34 @@ void edma_clear_event(unsigned channel) } EXPORT_SYMBOL(edma_clear_event); +/* + * edma_assign_channel_eventq - move given channel to desired eventq + * Arguments: + * channel - channel number + * eventq_no - queue to move the channel + * + * Can be used to move a channel to a selected event queue. + */ +void edma_assign_channel_eventq(unsigned channel, enum dma_event_q eventq_no) +{ + unsigned ctlr; + + ctlr = EDMA_CTLR(channel); + channel = EDMA_CHAN_SLOT(channel); + + if (channel >= edma_cc[ctlr]->num_channels) + return; + + /* default to low priority queue */ + if (eventq_no == EVENTQ_DEFAULT) + eventq_no = edma_cc[ctlr]->default_queue; + if (eventq_no >= edma_cc[ctlr]->num_tc) + return; + + map_dmach_queue(ctlr, channel, eventq_no); +} +EXPORT_SYMBOL(edma_assign_channel_eventq); + static int edma_setup_from_hw(struct device *dev, struct edma_soc_info *pdata, struct edma *edma_cc) { @@ -1470,7 +1498,8 @@ static int edma_setup_from_hw(struct device *dev, struct edma_soc_info *pdata, queue_priority_map[i][1] = -1; pdata->queue_priority_mapping = queue_priority_map; - pdata->default_queue = 0; + /* Default queue has the lowest priority */ + pdata->default_queue = i - 1; return 0; } diff --git a/arch/arm/xen/grant-table.c b/arch/arm/xen/grant-table.c index 2c4041c9bac5..e43791829ace 100644 --- a/arch/arm/xen/grant-table.c +++ b/arch/arm/xen/grant-table.c @@ -49,8 +49,3 @@ int arch_gnttab_init(unsigned long nr_shared) { return 0; } - -int arch_gnttab_init(unsigned long nr_shared, unsigned long nr_status) -{ - return 0; -} diff --git a/arch/arm64/boot/dts/apm-mustang.dts b/arch/arm64/boot/dts/apm-mustang.dts index 6541962f5d70..b2f56229aa5e 100644 --- a/arch/arm64/boot/dts/apm-mustang.dts +++ b/arch/arm64/boot/dts/apm-mustang.dts @@ -28,3 +28,7 @@ &serial0 { status = "ok"; }; + +&menet { + status = "ok"; +}; diff --git a/arch/arm64/boot/dts/apm-storm.dtsi b/arch/arm64/boot/dts/apm-storm.dtsi index 40aa96ce13c4..c0aceef7f5b3 100644 --- a/arch/arm64/boot/dts/apm-storm.dtsi +++ b/arch/arm64/boot/dts/apm-storm.dtsi @@ -167,14 +167,13 @@ clock-output-names = "ethclk"; }; - eth8clk: eth8clk { + menetclk: menetclk { compatible = "apm,xgene-device-clock"; #clock-cells = <1>; clocks = <ðclk 0>; - clock-names = "eth8clk"; reg = <0x0 0x1702C000 0x0 0x1000>; reg-names = "csr-reg"; - clock-output-names = "eth8clk"; + clock-output-names = "menetclk"; }; sataphy1clk: sataphy1clk@1f21c000 { @@ -397,5 +396,30 @@ #clock-cells = <1>; clocks = <&rtcclk 0>; }; + + menet: ethernet@17020000 { + compatible = "apm,xgene-enet"; + status = "disabled"; + reg = <0x0 0x17020000 0x0 0xd100>, + <0x0 0X17030000 0x0 0X400>, + <0x0 0X10000000 0x0 0X200>; + reg-names = "enet_csr", "ring_csr", "ring_cmd"; + interrupts = <0x0 0x3c 0x4>; + dma-coherent; + clocks = <&menetclk 0>; + local-mac-address = [00 01 73 00 00 01]; + phy-connection-type = "rgmii"; + phy-handle = <&menetphy>; + mdio { + compatible = "apm,xgene-mdio"; + #address-cells = <1>; + #size-cells = <0>; + menetphy: menetphy@3 { + compatible = "ethernet-phy-id001c.c915"; + reg = <0x3>; + }; + + }; + }; }; }; diff --git a/arch/frv/include/asm/processor.h b/arch/frv/include/asm/processor.h index a34f309e5801..6554e78893f2 100644 --- a/arch/frv/include/asm/processor.h +++ b/arch/frv/include/asm/processor.h @@ -129,7 +129,8 @@ unsigned long get_wchan(struct task_struct *p); #define KSTK_EIP(tsk) ((tsk)->thread.frame0->pc) #define KSTK_ESP(tsk) ((tsk)->thread.frame0->sp) -#define cpu_relax() barrier() +#define cpu_relax() barrier() +#define cpu_relax_lowlatency() cpu_relax() /* data cache prefetch */ #define ARCH_HAS_PREFETCH diff --git a/arch/ia64/Makefile b/arch/ia64/Makefile index f37238f45bcd..5441b14994fc 100644 --- a/arch/ia64/Makefile +++ b/arch/ia64/Makefile @@ -76,7 +76,7 @@ vmlinux.gz: vmlinux $(Q)$(MAKE) $(build)=$(boot) $@ unwcheck: vmlinux - -$(Q)READELF=$(READELF) python $(srctree)/arch/ia64/scripts/unwcheck.py $< + -$(Q)READELF=$(READELF) $(PYTHON) $(srctree)/arch/ia64/scripts/unwcheck.py $< archclean: $(Q)$(MAKE) $(clean)=$(boot) diff --git a/arch/metag/kernel/cachepart.c b/arch/metag/kernel/cachepart.c index 0a2385fa2a1d..04b7d4f8429a 100644 --- a/arch/metag/kernel/cachepart.c +++ b/arch/metag/kernel/cachepart.c @@ -55,7 +55,7 @@ unsigned int get_global_icache_size(void) return (get_icache_size() * ((temp >> SYSC_xCPARTG_AND_S) + 1)) >> 4; } -static unsigned int get_thread_cache_size(unsigned int cache, int thread_id) +static int get_thread_cache_size(unsigned int cache, int thread_id) { unsigned int cache_size; unsigned int t_cache_part; @@ -94,7 +94,7 @@ static unsigned int get_thread_cache_size(unsigned int cache, int thread_id) void check_for_cache_aliasing(int thread_id) { - unsigned int thread_cache_size; + int thread_cache_size; unsigned int cache_type; for (cache_type = ICACHE; cache_type <= DCACHE; cache_type++) { thread_cache_size = diff --git a/arch/metag/mm/hugetlbpage.c b/arch/metag/mm/hugetlbpage.c index 3c52fa6d0f8e..3c32075d2945 100644 --- a/arch/metag/mm/hugetlbpage.c +++ b/arch/metag/mm/hugetlbpage.c @@ -173,7 +173,7 @@ new_search: mm->context.part_huge = 0; return addr; } - if (vma && (vma->vm_flags & MAP_HUGETLB)) { + if (vma->vm_flags & MAP_HUGETLB) { /* space after a huge vma in 2nd level page table? */ if (vma->vm_end & HUGEPT_MASK) { after_huge = 1; diff --git a/arch/powerpc/boot/dts/mpc5121.dtsi b/arch/powerpc/boot/dts/mpc5121.dtsi index 2c0e1552d20b..7f9d14f5c4da 100644 --- a/arch/powerpc/boot/dts/mpc5121.dtsi +++ b/arch/powerpc/boot/dts/mpc5121.dtsi @@ -498,6 +498,7 @@ compatible = "fsl,mpc5121-dma"; reg = <0x14000 0x1800>; interrupts = <65 0x8>; + #dma-cells = <1>; }; }; diff --git a/arch/powerpc/boot/gunzip_util.c b/arch/powerpc/boot/gunzip_util.c index ef2aed0f63ca..9dc52501de83 100644 --- a/arch/powerpc/boot/gunzip_util.c +++ b/arch/powerpc/boot/gunzip_util.c @@ -112,10 +112,10 @@ int gunzip_partial(struct gunzip_state *state, void *dst, int dstlen) r = zlib_inflate(&state->s, Z_FULL_FLUSH); if (r != Z_OK && r != Z_STREAM_END) fatal("inflate returned %d msg: %s\n\r", r, state->s.msg); - len = state->s.next_out - (unsigned char *)dst; + len = state->s.next_out - (Byte *)dst; } else { /* uncompressed image */ - len = min(state->s.avail_in, (unsigned)dstlen); + len = min(state->s.avail_in, (uLong)dstlen); memcpy(dst, state->s.next_in, len); state->s.next_in += len; state->s.avail_in -= len; diff --git a/arch/powerpc/include/asm/cputable.h b/arch/powerpc/include/asm/cputable.h index 642e436d4595..daa5af91163c 100644 --- a/arch/powerpc/include/asm/cputable.h +++ b/arch/powerpc/include/asm/cputable.h @@ -459,7 +459,8 @@ extern const char *powerpc_base_platform; #define CPU_FTRS_POSSIBLE \ (CPU_FTRS_POWER4 | CPU_FTRS_PPC970 | CPU_FTRS_POWER5 | \ CPU_FTRS_POWER6 | CPU_FTRS_POWER7 | CPU_FTRS_POWER8E | \ - CPU_FTRS_POWER8 | CPU_FTRS_CELL | CPU_FTRS_PA6T | CPU_FTR_VSX) + CPU_FTRS_POWER8 | CPU_FTRS_POWER8_DD1 | CPU_FTRS_CELL | \ + CPU_FTRS_PA6T | CPU_FTR_VSX) #endif #else enum { @@ -509,7 +510,8 @@ enum { #define CPU_FTRS_ALWAYS \ (CPU_FTRS_POWER4 & CPU_FTRS_PPC970 & CPU_FTRS_POWER5 & \ CPU_FTRS_POWER6 & CPU_FTRS_POWER7 & CPU_FTRS_CELL & \ - CPU_FTRS_PA6T & CPU_FTRS_POSSIBLE) + CPU_FTRS_PA6T & CPU_FTRS_POWER8 & CPU_FTRS_POWER8E & \ + CPU_FTRS_POWER8_DD1 & CPU_FTRS_POSSIBLE) #endif #else enum { diff --git a/arch/powerpc/include/asm/machdep.h b/arch/powerpc/include/asm/machdep.h index 44e90516519b..b125ceab149c 100644 --- a/arch/powerpc/include/asm/machdep.h +++ b/arch/powerpc/include/asm/machdep.h @@ -57,10 +57,10 @@ struct machdep_calls { void (*hpte_removebolted)(unsigned long ea, int psize, int ssize); void (*flush_hash_range)(unsigned long number, int local); - void (*hugepage_invalidate)(struct mm_struct *mm, + void (*hugepage_invalidate)(unsigned long vsid, + unsigned long addr, unsigned char *hpte_slot_array, - unsigned long addr, int psize); - + int psize, int ssize); /* special for kexec, to be called in real mode, linear mapping is * destroyed as well */ void (*hpte_clear_all)(void); diff --git a/arch/powerpc/include/asm/opal.h b/arch/powerpc/include/asm/opal.h index b2f8ce1fd0d7..86055e598269 100644 --- a/arch/powerpc/include/asm/opal.h +++ b/arch/powerpc/include/asm/opal.h @@ -149,6 +149,8 @@ struct opal_sg_list { #define OPAL_DUMP_INFO2 94 #define OPAL_PCI_EEH_FREEZE_SET 97 #define OPAL_HANDLE_HMI 98 +#define OPAL_REGISTER_DUMP_REGION 101 +#define OPAL_UNREGISTER_DUMP_REGION 102 #ifndef __ASSEMBLY__ @@ -920,6 +922,8 @@ int64_t opal_set_param(uint64_t token, uint32_t param_id, uint64_t buffer, uint64_t length); int64_t opal_sensor_read(uint32_t sensor_hndl, int token, __be32 *sensor_data); int64_t opal_handle_hmi(void); +int64_t opal_register_dump_region(uint32_t id, uint64_t start, uint64_t end); +int64_t opal_unregister_dump_region(uint32_t id); /* Internal functions */ extern int early_init_dt_scan_opal(unsigned long node, const char *uname, @@ -974,6 +978,13 @@ struct opal_sg_list *opal_vmalloc_to_sg_list(void *vmalloc_addr, unsigned long vmalloc_size); void opal_free_sg_list(struct opal_sg_list *sg); +/* + * Dump region ID range usable by the OS + */ +#define OPAL_DUMP_REGION_HOST_START 0x80 +#define OPAL_DUMP_REGION_LOG_BUF 0x80 +#define OPAL_DUMP_REGION_HOST_END 0xFF + #endif /* __ASSEMBLY__ */ #endif /* __OPAL_H */ diff --git a/arch/powerpc/include/asm/pgtable-ppc64.h b/arch/powerpc/include/asm/pgtable-ppc64.h index eb9261024f51..7b3d54fae46f 100644 --- a/arch/powerpc/include/asm/pgtable-ppc64.h +++ b/arch/powerpc/include/asm/pgtable-ppc64.h @@ -413,7 +413,7 @@ static inline char *get_hpte_slot_array(pmd_t *pmdp) } extern void hpte_do_hugepage_flush(struct mm_struct *mm, unsigned long addr, - pmd_t *pmdp); + pmd_t *pmdp, unsigned long old_pmd); #ifdef CONFIG_TRANSPARENT_HUGEPAGE extern pmd_t pfn_pmd(unsigned long pfn, pgprot_t pgprot); extern pmd_t mk_pmd(struct page *page, pgprot_t pgprot); diff --git a/arch/powerpc/include/asm/pte-hash64-64k.h b/arch/powerpc/include/asm/pte-hash64-64k.h index b6d2d42f84b5..4f4ec2ab45c9 100644 --- a/arch/powerpc/include/asm/pte-hash64-64k.h +++ b/arch/powerpc/include/asm/pte-hash64-64k.h @@ -46,11 +46,31 @@ * in order to deal with 64K made of 4K HW pages. Thus we override the * generic accessors and iterators here */ -#define __real_pte(e,p) ((real_pte_t) { \ - (e), (pte_val(e) & _PAGE_COMBO) ? \ - (pte_val(*((p) + PTRS_PER_PTE))) : 0 }) -#define __rpte_to_hidx(r,index) ((pte_val((r).pte) & _PAGE_COMBO) ? \ - (((r).hidx >> ((index)<<2)) & 0xf) : ((pte_val((r).pte) >> 12) & 0xf)) +#define __real_pte __real_pte +static inline real_pte_t __real_pte(pte_t pte, pte_t *ptep) +{ + real_pte_t rpte; + + rpte.pte = pte; + rpte.hidx = 0; + if (pte_val(pte) & _PAGE_COMBO) { + /* + * Make sure we order the hidx load against the _PAGE_COMBO + * check. The store side ordering is done in __hash_page_4K + */ + smp_rmb(); + rpte.hidx = pte_val(*((ptep) + PTRS_PER_PTE)); + } + return rpte; +} + +static inline unsigned long __rpte_to_hidx(real_pte_t rpte, unsigned long index) +{ + if ((pte_val(rpte.pte) & _PAGE_COMBO)) + return (rpte.hidx >> (index<<2)) & 0xf; + return (pte_val(rpte.pte) >> 12) & 0xf; +} + #define __rpte_to_pte(r) ((r).pte) #define __rpte_sub_valid(rpte, index) \ (pte_val(rpte.pte) & (_PAGE_HPTE_SUB0 >> (index))) diff --git a/arch/powerpc/include/asm/reg.h b/arch/powerpc/include/asm/reg.h index 1c987bf794ef..0c0505956a29 100644 --- a/arch/powerpc/include/asm/reg.h +++ b/arch/powerpc/include/asm/reg.h @@ -213,9 +213,8 @@ #define SPRN_ACOP 0x1F /* Available Coprocessor Register */ #define SPRN_TFIAR 0x81 /* Transaction Failure Inst Addr */ #define SPRN_TEXASR 0x82 /* Transaction EXception & Summary */ -#define TEXASR_FS __MASK(63-36) /* Transaction Failure Summary */ #define SPRN_TEXASRU 0x83 /* '' '' '' Upper 32 */ -#define TEXASR_FS __MASK(63-36) /* TEXASR Failure Summary */ +#define TEXASR_FS __MASK(63-36) /* TEXASR Failure Summary */ #define SPRN_TFHAR 0x80 /* Transaction Failure Handler Addr */ #define SPRN_CTRLF 0x088 #define SPRN_CTRLT 0x098 diff --git a/arch/powerpc/include/asm/spinlock.h b/arch/powerpc/include/asm/spinlock.h index 35aa339410bd..4dbe072eecbe 100644 --- a/arch/powerpc/include/asm/spinlock.h +++ b/arch/powerpc/include/asm/spinlock.h @@ -61,6 +61,7 @@ static __always_inline int arch_spin_value_unlocked(arch_spinlock_t lock) static inline int arch_spin_is_locked(arch_spinlock_t *lock) { + smp_mb(); return !arch_spin_value_unlocked(*lock); } diff --git a/arch/powerpc/kernel/exceptions-64s.S b/arch/powerpc/kernel/exceptions-64s.S index 6144d5a6bfe7..050f79a4a168 100644 --- a/arch/powerpc/kernel/exceptions-64s.S +++ b/arch/powerpc/kernel/exceptions-64s.S @@ -592,61 +592,6 @@ END_FTR_SECTION_IFSET(CPU_FTR_CFAR) MASKABLE_EXCEPTION_HV_OOL(0xe62, hmi_exception) KVM_HANDLER(PACA_EXGEN, EXC_HV, 0xe62) - .globl hmi_exception_early -hmi_exception_early: - EXCEPTION_PROLOG_1(PACA_EXGEN, NOTEST, 0xe60) - mr r10,r1 /* Save r1 */ - ld r1,PACAEMERGSP(r13) /* Use emergency stack */ - subi r1,r1,INT_FRAME_SIZE /* alloc stack frame */ - std r9,_CCR(r1) /* save CR in stackframe */ - mfspr r11,SPRN_HSRR0 /* Save HSRR0 */ - std r11,_NIP(r1) /* save HSRR0 in stackframe */ - mfspr r12,SPRN_HSRR1 /* Save SRR1 */ - std r12,_MSR(r1) /* save SRR1 in stackframe */ - std r10,0(r1) /* make stack chain pointer */ - std r0,GPR0(r1) /* save r0 in stackframe */ - std r10,GPR1(r1) /* save r1 in stackframe */ - EXCEPTION_PROLOG_COMMON_2(PACA_EXGEN) - EXCEPTION_PROLOG_COMMON_3(0xe60) - addi r3,r1,STACK_FRAME_OVERHEAD - bl hmi_exception_realmode - /* Windup the stack. */ - /* Clear MSR_RI before setting SRR0 and SRR1. */ - li r0,MSR_RI - mfmsr r9 /* get MSR value */ - andc r9,r9,r0 - mtmsrd r9,1 /* Clear MSR_RI */ - /* Move original HSRR0 and HSRR1 into the respective regs */ - ld r9,_MSR(r1) - mtspr SPRN_HSRR1,r9 - ld r3,_NIP(r1) - mtspr SPRN_HSRR0,r3 - ld r9,_CTR(r1) - mtctr r9 - ld r9,_XER(r1) - mtxer r9 - ld r9,_LINK(r1) - mtlr r9 - REST_GPR(0, r1) - REST_8GPRS(2, r1) - REST_GPR(10, r1) - ld r11,_CCR(r1) - mtcr r11 - REST_GPR(11, r1) - REST_2GPRS(12, r1) - /* restore original r1. */ - ld r1,GPR1(r1) - - /* - * Go to virtual mode and pull the HMI event information from - * firmware. - */ - .globl hmi_exception_after_realmode -hmi_exception_after_realmode: - SET_SCRATCH0(r13) - EXCEPTION_PROLOG_0(PACA_EXGEN) - b hmi_exception_hv - MASKABLE_EXCEPTION_HV_OOL(0xe82, h_doorbell) KVM_HANDLER(PACA_EXGEN, EXC_HV, 0xe82) @@ -1306,6 +1251,61 @@ fwnmi_data_area: . = 0x8000 #endif /* defined(CONFIG_PPC_PSERIES) || defined(CONFIG_PPC_POWERNV) */ + .globl hmi_exception_early +hmi_exception_early: + EXCEPTION_PROLOG_1(PACA_EXGEN, NOTEST, 0xe60) + mr r10,r1 /* Save r1 */ + ld r1,PACAEMERGSP(r13) /* Use emergency stack */ + subi r1,r1,INT_FRAME_SIZE /* alloc stack frame */ + std r9,_CCR(r1) /* save CR in stackframe */ + mfspr r11,SPRN_HSRR0 /* Save HSRR0 */ + std r11,_NIP(r1) /* save HSRR0 in stackframe */ + mfspr r12,SPRN_HSRR1 /* Save SRR1 */ + std r12,_MSR(r1) /* save SRR1 in stackframe */ + std r10,0(r1) /* make stack chain pointer */ + std r0,GPR0(r1) /* save r0 in stackframe */ + std r10,GPR1(r1) /* save r1 in stackframe */ + EXCEPTION_PROLOG_COMMON_2(PACA_EXGEN) + EXCEPTION_PROLOG_COMMON_3(0xe60) + addi r3,r1,STACK_FRAME_OVERHEAD + bl hmi_exception_realmode + /* Windup the stack. */ + /* Clear MSR_RI before setting SRR0 and SRR1. */ + li r0,MSR_RI + mfmsr r9 /* get MSR value */ + andc r9,r9,r0 + mtmsrd r9,1 /* Clear MSR_RI */ + /* Move original HSRR0 and HSRR1 into the respective regs */ + ld r9,_MSR(r1) + mtspr SPRN_HSRR1,r9 + ld r3,_NIP(r1) + mtspr SPRN_HSRR0,r3 + ld r9,_CTR(r1) + mtctr r9 + ld r9,_XER(r1) + mtxer r9 + ld r9,_LINK(r1) + mtlr r9 + REST_GPR(0, r1) + REST_8GPRS(2, r1) + REST_GPR(10, r1) + ld r11,_CCR(r1) + mtcr r11 + REST_GPR(11, r1) + REST_2GPRS(12, r1) + /* restore original r1. */ + ld r1,GPR1(r1) + + /* + * Go to virtual mode and pull the HMI event information from + * firmware. + */ + .globl hmi_exception_after_realmode +hmi_exception_after_realmode: + SET_SCRATCH0(r13) + EXCEPTION_PROLOG_0(PACA_EXGEN) + b hmi_exception_hv + #ifdef CONFIG_PPC_POWERNV _GLOBAL(opal_mc_secondary_handler) HMT_MEDIUM_PPR_DISCARD diff --git a/arch/powerpc/kernel/head_44x.S b/arch/powerpc/kernel/head_44x.S index c334f53453f7..b5061abbd2e0 100644 --- a/arch/powerpc/kernel/head_44x.S +++ b/arch/powerpc/kernel/head_44x.S @@ -1210,10 +1210,12 @@ clear_utlb_entry: /* We configure icbi to invalidate 128 bytes at a time since the * current 32-bit kernel code isn't too happy with icache != dcache - * block size + * block size. We also disable the BTAC as this can cause errors + * in some circumstances (see IBM Erratum 47). */ mfspr r3,SPRN_CCR0 oris r3,r3,0x0020 + ori r3,r3,0x0040 mtspr SPRN_CCR0,r3 isync diff --git a/arch/powerpc/kernel/iommu.c b/arch/powerpc/kernel/iommu.c index f84f799babb1..a10642a0d861 100644 --- a/arch/powerpc/kernel/iommu.c +++ b/arch/powerpc/kernel/iommu.c @@ -1120,37 +1120,41 @@ EXPORT_SYMBOL_GPL(iommu_release_ownership); int iommu_add_device(struct device *dev) { struct iommu_table *tbl; - int ret = 0; - if (WARN_ON(dev->iommu_group)) { - pr_warn("iommu_tce: device %s is already in iommu group %d, skipping\n", - dev_name(dev), - iommu_group_id(dev->iommu_group)); + /* + * The sysfs entries should be populated before + * binding IOMMU group. If sysfs entries isn't + * ready, we simply bail. + */ + if (!device_is_registered(dev)) + return -ENOENT; + + if (dev->iommu_group) { + pr_debug("%s: Skipping device %s with iommu group %d\n", + __func__, dev_name(dev), + iommu_group_id(dev->iommu_group)); return -EBUSY; } tbl = get_iommu_table_base(dev); if (!tbl || !tbl->it_group) { - pr_debug("iommu_tce: skipping device %s with no tbl\n", - dev_name(dev)); + pr_debug("%s: Skipping device %s with no tbl\n", + __func__, dev_name(dev)); return 0; } - pr_debug("iommu_tce: adding %s to iommu group %d\n", - dev_name(dev), iommu_group_id(tbl->it_group)); + pr_debug("%s: Adding %s to iommu group %d\n", + __func__, dev_name(dev), + iommu_group_id(tbl->it_group)); if (PAGE_SIZE < IOMMU_PAGE_SIZE(tbl)) { - pr_err("iommu_tce: unsupported iommu page size."); - pr_err("%s has not been added\n", dev_name(dev)); + pr_err("%s: Invalid IOMMU page size %lx (%lx) on %s\n", + __func__, IOMMU_PAGE_SIZE(tbl), + PAGE_SIZE, dev_name(dev)); return -EINVAL; } - ret = iommu_group_add_device(tbl->it_group, dev); - if (ret < 0) - pr_err("iommu_tce: %s has not been added, ret=%d\n", - dev_name(dev), ret); - - return ret; + return iommu_group_add_device(tbl->it_group, dev); } EXPORT_SYMBOL_GPL(iommu_add_device); diff --git a/arch/powerpc/kernel/prom.c b/arch/powerpc/kernel/prom.c index 1a3b1055f5eb..4e139f8a69ef 100644 --- a/arch/powerpc/kernel/prom.c +++ b/arch/powerpc/kernel/prom.c @@ -818,76 +818,6 @@ int cpu_to_chip_id(int cpu) } EXPORT_SYMBOL(cpu_to_chip_id); -#ifdef CONFIG_PPC_PSERIES -/* - * Fix up the uninitialized fields in a new device node: - * name, type and pci-specific fields - */ - -static int of_finish_dynamic_node(struct device_node *node) -{ - struct device_node *parent = of_get_parent(node); - int err = 0; - const phandle *ibm_phandle; - - node->name = of_get_property(node, "name", NULL); - node->type = of_get_property(node, "device_type", NULL); - - if (!node->name) - node->name = "<NULL>"; - if (!node->type) - node->type = "<NULL>"; - - if (!parent) { - err = -ENODEV; - goto out; - } - - /* We don't support that function on PowerMac, at least - * not yet - */ - if (machine_is(powermac)) - return -ENODEV; - - /* fix up new node's phandle field */ - if ((ibm_phandle = of_get_property(node, "ibm,phandle", NULL))) - node->phandle = *ibm_phandle; - -out: - of_node_put(parent); - return err; -} - -static int prom_reconfig_notifier(struct notifier_block *nb, - unsigned long action, void *node) -{ - int err; - - switch (action) { - case OF_RECONFIG_ATTACH_NODE: - err = of_finish_dynamic_node(node); - if (err < 0) - printk(KERN_ERR "finish_node returned %d\n", err); - break; - default: - err = 0; - break; - } - return notifier_from_errno(err); -} - -static struct notifier_block prom_reconfig_nb = { - .notifier_call = prom_reconfig_notifier, - .priority = 10, /* This one needs to run first */ -}; - -static int __init prom_reconfig_setup(void) -{ - return of_reconfig_notifier_register(&prom_reconfig_nb); -} -__initcall(prom_reconfig_setup); -#endif - bool arch_match_cpu_phys_id(int cpu, u64 phys_id) { return (int)phys_id == get_hard_smp_processor_id(cpu); diff --git a/arch/powerpc/kernel/smp.c b/arch/powerpc/kernel/smp.c index 1007fb802e6b..a0738af4aba6 100644 --- a/arch/powerpc/kernel/smp.c +++ b/arch/powerpc/kernel/smp.c @@ -376,6 +376,11 @@ void __init smp_prepare_cpus(unsigned int max_cpus) GFP_KERNEL, cpu_to_node(cpu)); zalloc_cpumask_var_node(&per_cpu(cpu_core_map, cpu), GFP_KERNEL, cpu_to_node(cpu)); + /* + * numa_node_id() works after this. + */ + set_cpu_numa_node(cpu, numa_cpu_lookup_table[cpu]); + set_cpu_numa_mem(cpu, local_memory_node(numa_cpu_lookup_table[cpu])); } cpumask_set_cpu(boot_cpuid, cpu_sibling_mask(boot_cpuid)); @@ -723,12 +728,6 @@ void start_secondary(void *unused) } traverse_core_siblings(cpu, true); - /* - * numa_node_id() works after this. - */ - set_numa_node(numa_cpu_lookup_table[cpu]); - set_numa_mem(local_memory_node(numa_cpu_lookup_table[cpu])); - smp_wmb(); notify_cpu_starting(cpu); set_cpu_online(cpu, true); diff --git a/arch/powerpc/kvm/book3s_hv_builtin.c b/arch/powerpc/kvm/book3s_hv_builtin.c index 329d7fdd0a6a..b9615ba5b083 100644 --- a/arch/powerpc/kvm/book3s_hv_builtin.c +++ b/arch/powerpc/kvm/book3s_hv_builtin.c @@ -101,7 +101,7 @@ struct kvm_rma_info *kvm_alloc_rma() ri = kmalloc(sizeof(struct kvm_rma_info), GFP_KERNEL); if (!ri) return NULL; - page = cma_alloc(kvm_cma, kvm_rma_pages, get_order(kvm_rma_pages)); + page = cma_alloc(kvm_cma, kvm_rma_pages, order_base_2(kvm_rma_pages)); if (!page) goto err_out; atomic_set(&ri->use_count, 1); @@ -135,12 +135,12 @@ struct page *kvm_alloc_hpt(unsigned long nr_pages) { unsigned long align_pages = HPT_ALIGN_PAGES; - VM_BUG_ON(get_order(nr_pages) < KVM_CMA_CHUNK_ORDER - PAGE_SHIFT); + VM_BUG_ON(order_base_2(nr_pages) < KVM_CMA_CHUNK_ORDER - PAGE_SHIFT); /* Old CPUs require HPT aligned on a multiple of its size */ if (!cpu_has_feature(CPU_FTR_ARCH_206)) align_pages = nr_pages; - return cma_alloc(kvm_cma, nr_pages, get_order(align_pages)); + return cma_alloc(kvm_cma, nr_pages, order_base_2(align_pages)); } EXPORT_SYMBOL_GPL(kvm_alloc_hpt); diff --git a/arch/powerpc/lib/locks.c b/arch/powerpc/lib/locks.c index 0c9c8d7d0734..170a0346f756 100644 --- a/arch/powerpc/lib/locks.c +++ b/arch/powerpc/lib/locks.c @@ -70,12 +70,16 @@ void __rw_yield(arch_rwlock_t *rw) void arch_spin_unlock_wait(arch_spinlock_t *lock) { + smp_mb(); + while (lock->slock) { HMT_low(); if (SHARED_PROCESSOR) __spin_yield(lock); } HMT_medium(); + + smp_mb(); } EXPORT_SYMBOL(arch_spin_unlock_wait); diff --git a/arch/powerpc/mm/hash_native_64.c b/arch/powerpc/mm/hash_native_64.c index cf1d325eae8b..afc0a8295f84 100644 --- a/arch/powerpc/mm/hash_native_64.c +++ b/arch/powerpc/mm/hash_native_64.c @@ -412,18 +412,18 @@ static void native_hpte_invalidate(unsigned long slot, unsigned long vpn, local_irq_restore(flags); } -static void native_hugepage_invalidate(struct mm_struct *mm, +static void native_hugepage_invalidate(unsigned long vsid, + unsigned long addr, unsigned char *hpte_slot_array, - unsigned long addr, int psize) + int psize, int ssize) { - int ssize = 0, i; - int lock_tlbie; + int i; struct hash_pte *hptep; int actual_psize = MMU_PAGE_16M; unsigned int max_hpte_count, valid; unsigned long flags, s_addr = addr; unsigned long hpte_v, want_v, shift; - unsigned long hidx, vpn = 0, vsid, hash, slot; + unsigned long hidx, vpn = 0, hash, slot; shift = mmu_psize_defs[psize].shift; max_hpte_count = 1U << (PMD_SHIFT - shift); @@ -437,15 +437,6 @@ static void native_hugepage_invalidate(struct mm_struct *mm, /* get the vpn */ addr = s_addr + (i * (1ul << shift)); - if (!is_kernel_addr(addr)) { - ssize = user_segment_size(addr); - vsid = get_vsid(mm->context.id, addr, ssize); - WARN_ON(vsid == 0); - } else { - vsid = get_kernel_vsid(addr, mmu_kernel_ssize); - ssize = mmu_kernel_ssize; - } - vpn = hpt_vpn(addr, vsid, ssize); hash = hpt_hash(vpn, shift, ssize); if (hidx & _PTEIDX_SECONDARY) @@ -465,22 +456,13 @@ static void native_hugepage_invalidate(struct mm_struct *mm, else /* Invalidate the hpte. NOTE: this also unlocks it */ hptep->v = 0; + /* + * We need to do tlb invalidate for all the address, tlbie + * instruction compares entry_VA in tlb with the VA specified + * here + */ + tlbie(vpn, psize, actual_psize, ssize, 0); } - /* - * Since this is a hugepage, we just need a single tlbie. - * use the last vpn. - */ - lock_tlbie = !mmu_has_feature(MMU_FTR_LOCKLESS_TLBIE); - if (lock_tlbie) - raw_spin_lock(&native_tlbie_lock); - - asm volatile("ptesync":::"memory"); - __tlbie(vpn, psize, actual_psize, ssize); - asm volatile("eieio; tlbsync; ptesync":::"memory"); - - if (lock_tlbie) - raw_spin_unlock(&native_tlbie_lock); - local_irq_restore(flags); } diff --git a/arch/powerpc/mm/hugepage-hash64.c b/arch/powerpc/mm/hugepage-hash64.c index 826893fcb3a7..5f5e6328c21c 100644 --- a/arch/powerpc/mm/hugepage-hash64.c +++ b/arch/powerpc/mm/hugepage-hash64.c @@ -18,6 +18,57 @@ #include <linux/mm.h> #include <asm/machdep.h> +static void invalidate_old_hpte(unsigned long vsid, unsigned long addr, + pmd_t *pmdp, unsigned int psize, int ssize) +{ + int i, max_hpte_count, valid; + unsigned long s_addr; + unsigned char *hpte_slot_array; + unsigned long hidx, shift, vpn, hash, slot; + + s_addr = addr & HPAGE_PMD_MASK; + hpte_slot_array = get_hpte_slot_array(pmdp); + /* + * IF we try to do a HUGE PTE update after a withdraw is done. + * we will find the below NULL. This happens when we do + * split_huge_page_pmd + */ + if (!hpte_slot_array) + return; + + if (ppc_md.hugepage_invalidate) + return ppc_md.hugepage_invalidate(vsid, s_addr, hpte_slot_array, + psize, ssize); + /* + * No bluk hpte removal support, invalidate each entry + */ + shift = mmu_psize_defs[psize].shift; + max_hpte_count = HPAGE_PMD_SIZE >> shift; + for (i = 0; i < max_hpte_count; i++) { + /* + * 8 bits per each hpte entries + * 000| [ secondary group (one bit) | hidx (3 bits) | valid bit] + */ + valid = hpte_valid(hpte_slot_array, i); + if (!valid) + continue; + hidx = hpte_hash_index(hpte_slot_array, i); + + /* get the vpn */ + addr = s_addr + (i * (1ul << shift)); + vpn = hpt_vpn(addr, vsid, ssize); + hash = hpt_hash(vpn, shift, ssize); + if (hidx & _PTEIDX_SECONDARY) + hash = ~hash; + + slot = (hash & htab_hash_mask) * HPTES_PER_GROUP; + slot += hidx & _PTEIDX_GROUP_IX; + ppc_md.hpte_invalidate(slot, vpn, psize, + MMU_PAGE_16M, ssize, 0); + } +} + + int __hash_page_thp(unsigned long ea, unsigned long access, unsigned long vsid, pmd_t *pmdp, unsigned long trap, int local, int ssize, unsigned int psize) @@ -33,7 +84,9 @@ int __hash_page_thp(unsigned long ea, unsigned long access, unsigned long vsid, * atomically mark the linux large page PMD busy and dirty */ do { - old_pmd = pmd_val(*pmdp); + pmd_t pmd = ACCESS_ONCE(*pmdp); + + old_pmd = pmd_val(pmd); /* If PMD busy, retry the access */ if (unlikely(old_pmd & _PAGE_BUSY)) return 0; @@ -85,6 +138,15 @@ int __hash_page_thp(unsigned long ea, unsigned long access, unsigned long vsid, vpn = hpt_vpn(ea, vsid, ssize); hash = hpt_hash(vpn, shift, ssize); hpte_slot_array = get_hpte_slot_array(pmdp); + if (psize == MMU_PAGE_4K) { + /* + * invalidate the old hpte entry if we have that mapped via 64K + * base page size. This is because demote_segment won't flush + * hash page table entries. + */ + if ((old_pmd & _PAGE_HASHPTE) && !(old_pmd & _PAGE_COMBO)) + invalidate_old_hpte(vsid, ea, pmdp, MMU_PAGE_64K, ssize); + } valid = hpte_valid(hpte_slot_array, index); if (valid) { @@ -107,11 +169,8 @@ int __hash_page_thp(unsigned long ea, unsigned long access, unsigned long vsid, * safely update this here. */ valid = 0; - new_pmd &= ~_PAGE_HPTEFLAGS; hpte_slot_array[index] = 0; - } else - /* clear the busy bits and set the hash pte bits */ - new_pmd = (new_pmd & ~_PAGE_HPTEFLAGS) | _PAGE_HASHPTE; + } } if (!valid) { @@ -119,11 +178,7 @@ int __hash_page_thp(unsigned long ea, unsigned long access, unsigned long vsid, /* insert new entry */ pa = pmd_pfn(__pmd(old_pmd)) << PAGE_SHIFT; -repeat: - hpte_group = ((hash & htab_hash_mask) * HPTES_PER_GROUP) & ~0x7UL; - - /* clear the busy bits and set the hash pte bits */ - new_pmd = (new_pmd & ~_PAGE_HPTEFLAGS) | _PAGE_HASHPTE; + new_pmd |= _PAGE_HASHPTE; /* Add in WIMG bits */ rflags |= (new_pmd & (_PAGE_WRITETHRU | _PAGE_NO_CACHE | @@ -132,6 +187,8 @@ repeat: * enable the memory coherence always */ rflags |= HPTE_R_M; +repeat: + hpte_group = ((hash & htab_hash_mask) * HPTES_PER_GROUP) & ~0x7UL; /* Insert into the hash table, primary slot */ slot = ppc_md.hpte_insert(hpte_group, vpn, pa, rflags, 0, @@ -172,8 +229,17 @@ repeat: mark_hpte_slot_valid(hpte_slot_array, index, slot); } /* - * No need to use ldarx/stdcx here + * Mark the pte with _PAGE_COMBO, if we are trying to hash it with + * base page size 4k. + */ + if (psize == MMU_PAGE_4K) + new_pmd |= _PAGE_COMBO; + /* + * The hpte valid is stored in the pgtable whose address is in the + * second half of the PMD. Order this against clearing of the busy bit in + * huge pmd. */ + smp_wmb(); *pmdp = __pmd(new_pmd & ~_PAGE_BUSY); return 0; } diff --git a/arch/powerpc/mm/numa.c b/arch/powerpc/mm/numa.c index d3e9a78eaed3..d7737a542fd7 100644 --- a/arch/powerpc/mm/numa.c +++ b/arch/powerpc/mm/numa.c @@ -1049,7 +1049,7 @@ static void __init mark_reserved_regions_for_nid(int nid) void __init do_init_bootmem(void) { - int nid; + int nid, cpu; min_low_pfn = 0; max_low_pfn = memblock_end_of_DRAM() >> PAGE_SHIFT; @@ -1122,8 +1122,15 @@ void __init do_init_bootmem(void) reset_numa_cpu_lookup_table(); register_cpu_notifier(&ppc64_numa_nb); - cpu_numa_callback(&ppc64_numa_nb, CPU_UP_PREPARE, - (void *)(unsigned long)boot_cpuid); + /* + * We need the numa_cpu_lookup_table to be accurate for all CPUs, + * even before we online them, so that we can use cpu_to_{node,mem} + * early in boot, cf. smp_prepare_cpus(). + */ + for_each_possible_cpu(cpu) { + cpu_numa_callback(&ppc64_numa_nb, CPU_UP_PREPARE, + (void *)(unsigned long)cpu); + } } void __init paging_init(void) diff --git a/arch/powerpc/mm/pgtable_64.c b/arch/powerpc/mm/pgtable_64.c index 3b3c4d34c7a0..c8d709ab489d 100644 --- a/arch/powerpc/mm/pgtable_64.c +++ b/arch/powerpc/mm/pgtable_64.c @@ -54,6 +54,9 @@ #include "mmu_decl.h" +#define CREATE_TRACE_POINTS +#include <trace/events/thp.h> + /* Some sanity checking */ #if TASK_SIZE_USER64 > PGTABLE_RANGE #error TASK_SIZE_USER64 exceeds pagetable range @@ -537,8 +540,9 @@ unsigned long pmd_hugepage_update(struct mm_struct *mm, unsigned long addr, old = pmd_val(*pmdp); *pmdp = __pmd((old & ~clr) | set); #endif + trace_hugepage_update(addr, old, clr, set); if (old & _PAGE_HASHPTE) - hpte_do_hugepage_flush(mm, addr, pmdp); + hpte_do_hugepage_flush(mm, addr, pmdp, old); return old; } @@ -642,10 +646,11 @@ void pmdp_splitting_flush(struct vm_area_struct *vma, * If we didn't had the splitting flag set, go and flush the * HPTE entries. */ + trace_hugepage_splitting(address, old); if (!(old & _PAGE_SPLITTING)) { /* We need to flush the hpte */ if (old & _PAGE_HASHPTE) - hpte_do_hugepage_flush(vma->vm_mm, address, pmdp); + hpte_do_hugepage_flush(vma->vm_mm, address, pmdp, old); } /* * This ensures that generic code that rely on IRQ disabling @@ -709,6 +714,7 @@ void set_pmd_at(struct mm_struct *mm, unsigned long addr, assert_spin_locked(&mm->page_table_lock); WARN_ON(!pmd_trans_huge(pmd)); #endif + trace_hugepage_set_pmd(addr, pmd); return set_pte_at(mm, addr, pmdp_ptep(pmdp), pmd_pte(pmd)); } @@ -723,7 +729,7 @@ void pmdp_invalidate(struct vm_area_struct *vma, unsigned long address, * neesd to be flushed. */ void hpte_do_hugepage_flush(struct mm_struct *mm, unsigned long addr, - pmd_t *pmdp) + pmd_t *pmdp, unsigned long old_pmd) { int ssize, i; unsigned long s_addr; @@ -745,12 +751,29 @@ void hpte_do_hugepage_flush(struct mm_struct *mm, unsigned long addr, if (!hpte_slot_array) return; - /* get the base page size */ + /* get the base page size,vsid and segment size */ +#ifdef CONFIG_DEBUG_VM psize = get_slice_psize(mm, s_addr); + BUG_ON(psize == MMU_PAGE_16M); +#endif + if (old_pmd & _PAGE_COMBO) + psize = MMU_PAGE_4K; + else + psize = MMU_PAGE_64K; + + if (!is_kernel_addr(s_addr)) { + ssize = user_segment_size(s_addr); + vsid = get_vsid(mm->context.id, s_addr, ssize); + WARN_ON(vsid == 0); + } else { + vsid = get_kernel_vsid(s_addr, mmu_kernel_ssize); + ssize = mmu_kernel_ssize; + } if (ppc_md.hugepage_invalidate) - return ppc_md.hugepage_invalidate(mm, hpte_slot_array, - s_addr, psize); + return ppc_md.hugepage_invalidate(vsid, s_addr, + hpte_slot_array, + psize, ssize); /* * No bluk hpte removal support, invalidate each entry */ @@ -768,15 +791,6 @@ void hpte_do_hugepage_flush(struct mm_struct *mm, unsigned long addr, /* get the vpn */ addr = s_addr + (i * (1ul << shift)); - if (!is_kernel_addr(addr)) { - ssize = user_segment_size(addr); - vsid = get_vsid(mm->context.id, addr, ssize); - WARN_ON(vsid == 0); - } else { - vsid = get_kernel_vsid(addr, mmu_kernel_ssize); - ssize = mmu_kernel_ssize; - } - vpn = hpt_vpn(addr, vsid, ssize); hash = hpt_hash(vpn, shift, ssize); if (hidx & _PTEIDX_SECONDARY) diff --git a/arch/powerpc/mm/tlb_hash64.c b/arch/powerpc/mm/tlb_hash64.c index c99f6510a0b2..d2a94b85dbc2 100644 --- a/arch/powerpc/mm/tlb_hash64.c +++ b/arch/powerpc/mm/tlb_hash64.c @@ -30,6 +30,8 @@ #include <asm/tlb.h> #include <asm/bug.h> +#include <trace/events/thp.h> + DEFINE_PER_CPU(struct ppc64_tlb_batch, ppc64_tlb_batch); /* @@ -213,10 +215,12 @@ void __flush_hash_table_range(struct mm_struct *mm, unsigned long start, if (ptep == NULL) continue; pte = pte_val(*ptep); + if (hugepage_shift) + trace_hugepage_invalidate(start, pte_val(pte)); if (!(pte & _PAGE_HASHPTE)) continue; if (unlikely(hugepage_shift && pmd_trans_huge(*(pmd_t *)pte))) - hpte_do_hugepage_flush(mm, start, (pmd_t *)pte); + hpte_do_hugepage_flush(mm, start, (pmd_t *)ptep, pte); else hpte_need_flush(mm, start, ptep, pte, 0); } diff --git a/arch/powerpc/mm/tlb_nohash.c b/arch/powerpc/mm/tlb_nohash.c index 92cb18d52ea8..f38ea4df6a85 100644 --- a/arch/powerpc/mm/tlb_nohash.c +++ b/arch/powerpc/mm/tlb_nohash.c @@ -581,42 +581,10 @@ static void setup_mmu_htw(void) /* * Early initialization of the MMU TLB code */ -static void __early_init_mmu(int boot_cpu) +static void early_init_this_mmu(void) { unsigned int mas4; - /* XXX This will have to be decided at runtime, but right - * now our boot and TLB miss code hard wires it. Ideally - * we should find out a suitable page size and patch the - * TLB miss code (either that or use the PACA to store - * the value we want) - */ - mmu_linear_psize = MMU_PAGE_1G; - - /* XXX This should be decided at runtime based on supported - * page sizes in the TLB, but for now let's assume 16M is - * always there and a good fit (which it probably is) - * - * Freescale booke only supports 4K pages in TLB0, so use that. - */ - if (mmu_has_feature(MMU_FTR_TYPE_FSL_E)) - mmu_vmemmap_psize = MMU_PAGE_4K; - else - mmu_vmemmap_psize = MMU_PAGE_16M; - - /* XXX This code only checks for TLB 0 capabilities and doesn't - * check what page size combos are supported by the HW. It - * also doesn't handle the case where a separate array holds - * the IND entries from the array loaded by the PT. - */ - if (boot_cpu) { - /* Look for supported page sizes */ - setup_page_sizes(); - - /* Look for HW tablewalk support */ - setup_mmu_htw(); - } - /* Set MAS4 based on page table setting */ mas4 = 0x4 << MAS4_WIMGED_SHIFT; @@ -650,11 +618,6 @@ static void __early_init_mmu(int boot_cpu) } mtspr(SPRN_MAS4, mas4); - /* Set the global containing the top of the linear mapping - * for use by the TLB miss code - */ - linear_map_top = memblock_end_of_DRAM(); - #ifdef CONFIG_PPC_FSL_BOOK3E if (mmu_has_feature(MMU_FTR_TYPE_FSL_E)) { unsigned int num_cams; @@ -662,10 +625,49 @@ static void __early_init_mmu(int boot_cpu) /* use a quarter of the TLBCAM for bolted linear map */ num_cams = (mfspr(SPRN_TLB1CFG) & TLBnCFG_N_ENTRY) / 4; linear_map_top = map_mem_in_cams(linear_map_top, num_cams); + } +#endif - /* limit memory so we dont have linear faults */ - memblock_enforce_memory_limit(linear_map_top); + /* A sync won't hurt us after mucking around with + * the MMU configuration + */ + mb(); +} +static void __init early_init_mmu_global(void) +{ + /* XXX This will have to be decided at runtime, but right + * now our boot and TLB miss code hard wires it. Ideally + * we should find out a suitable page size and patch the + * TLB miss code (either that or use the PACA to store + * the value we want) + */ + mmu_linear_psize = MMU_PAGE_1G; + + /* XXX This should be decided at runtime based on supported + * page sizes in the TLB, but for now let's assume 16M is + * always there and a good fit (which it probably is) + * + * Freescale booke only supports 4K pages in TLB0, so use that. + */ + if (mmu_has_feature(MMU_FTR_TYPE_FSL_E)) + mmu_vmemmap_psize = MMU_PAGE_4K; + else + mmu_vmemmap_psize = MMU_PAGE_16M; + + /* XXX This code only checks for TLB 0 capabilities and doesn't + * check what page size combos are supported by the HW. It + * also doesn't handle the case where a separate array holds + * the IND entries from the array loaded by the PT. + */ + /* Look for supported page sizes */ + setup_page_sizes(); + + /* Look for HW tablewalk support */ + setup_mmu_htw(); + +#ifdef CONFIG_PPC_FSL_BOOK3E + if (mmu_has_feature(MMU_FTR_TYPE_FSL_E)) { if (book3e_htw_mode == PPC_HTW_NONE) { extlb_level_exc = EX_TLB_SIZE; patch_exception(0x1c0, exc_data_tlb_miss_bolted_book3e); @@ -675,22 +677,41 @@ static void __early_init_mmu(int boot_cpu) } #endif - /* A sync won't hurt us after mucking around with - * the MMU configuration + /* Set the global containing the top of the linear mapping + * for use by the TLB miss code */ - mb(); + linear_map_top = memblock_end_of_DRAM(); +} + +static void __init early_mmu_set_memory_limit(void) +{ +#ifdef CONFIG_PPC_FSL_BOOK3E + if (mmu_has_feature(MMU_FTR_TYPE_FSL_E)) { + /* + * Limit memory so we dont have linear faults. + * Unlike memblock_set_current_limit, which limits + * memory available during early boot, this permanently + * reduces the memory available to Linux. We need to + * do this because highmem is not supported on 64-bit. + */ + memblock_enforce_memory_limit(linear_map_top); + } +#endif memblock_set_current_limit(linear_map_top); } +/* boot cpu only */ void __init early_init_mmu(void) { - __early_init_mmu(1); + early_init_mmu_global(); + early_init_this_mmu(); + early_mmu_set_memory_limit(); } void early_init_mmu_secondary(void) { - __early_init_mmu(0); + early_init_this_mmu(); } void setup_initial_memory_limit(phys_addr_t first_memblock_base, diff --git a/arch/powerpc/perf/hv-24x7.c b/arch/powerpc/perf/hv-24x7.c index 66d0f179650f..70d4f748b54b 100644 --- a/arch/powerpc/perf/hv-24x7.c +++ b/arch/powerpc/perf/hv-24x7.c @@ -223,7 +223,7 @@ e_free: pr_err("h_get_24x7_catalog_page(ver=%lld, page=%lld) failed:" " rc=%ld\n", catalog_version_num, page_offset, hret); - kfree(page); + kmem_cache_free(hv_page_cache, page); pr_devel("catalog_read: offset=%lld(%lld) count=%zu(%zu) catalog_len=%zu(%zu) => %zd\n", offset, page_offset, count, page_count, catalog_len, diff --git a/arch/powerpc/platforms/powermac/feature.c b/arch/powerpc/platforms/powermac/feature.c index 1413e72bc2e1..4882bfd90e27 100644 --- a/arch/powerpc/platforms/powermac/feature.c +++ b/arch/powerpc/platforms/powermac/feature.c @@ -2805,25 +2805,20 @@ set_initial_features(void) /* Enable GMAC for now for PCI probing. It will be disabled * later on after PCI probe */ - np = of_find_node_by_name(NULL, "ethernet"); - while(np) { + for_each_node_by_name(np, "ethernet") if (of_device_is_compatible(np, "K2-GMAC")) g5_gmac_enable(np, 0, 1); - np = of_find_node_by_name(np, "ethernet"); - } /* Enable FW before PCI probe. Will be disabled later on * Note: We should have a batter way to check that we are * dealing with uninorth internal cell and not a PCI cell * on the external PCI. The code below works though. */ - np = of_find_node_by_name(NULL, "firewire"); - while(np) { + for_each_node_by_name(np, "firewire") { if (of_device_is_compatible(np, "pci106b,5811")) { macio_chips[0].flags |= MACIO_FLAG_FW_SUPPORTED; g5_fw_enable(np, 0, 1); } - np = of_find_node_by_name(np, "firewire"); } } #else /* CONFIG_PPC64 */ @@ -2834,13 +2829,11 @@ set_initial_features(void) /* Enable GMAC for now for PCI probing. It will be disabled * later on after PCI probe */ - np = of_find_node_by_name(NULL, "ethernet"); - while(np) { + for_each_node_by_name(np, "ethernet") { if (np->parent && of_device_is_compatible(np->parent, "uni-north") && of_device_is_compatible(np, "gmac")) core99_gmac_enable(np, 0, 1); - np = of_find_node_by_name(np, "ethernet"); } /* Enable FW before PCI probe. Will be disabled later on @@ -2848,8 +2841,7 @@ set_initial_features(void) * dealing with uninorth internal cell and not a PCI cell * on the external PCI. The code below works though. */ - np = of_find_node_by_name(NULL, "firewire"); - while(np) { + for_each_node_by_name(np, "firewire") { if (np->parent && of_device_is_compatible(np->parent, "uni-north") && (of_device_is_compatible(np, "pci106b,18") || @@ -2858,18 +2850,16 @@ set_initial_features(void) macio_chips[0].flags |= MACIO_FLAG_FW_SUPPORTED; core99_firewire_enable(np, 0, 1); } - np = of_find_node_by_name(np, "firewire"); } /* Enable ATA-100 before PCI probe. */ np = of_find_node_by_name(NULL, "ata-6"); - while(np) { + for_each_node_by_name(np, "ata-6") { if (np->parent && of_device_is_compatible(np->parent, "uni-north") && of_device_is_compatible(np, "kauai-ata")) { core99_ata100_enable(np, 1); } - np = of_find_node_by_name(np, "ata-6"); } /* Switch airport off */ diff --git a/arch/powerpc/platforms/powermac/pci.c b/arch/powerpc/platforms/powermac/pci.c index cf7009b8c7b6..7e868ccf3b0d 100644 --- a/arch/powerpc/platforms/powermac/pci.c +++ b/arch/powerpc/platforms/powermac/pci.c @@ -698,7 +698,7 @@ static void __init fixup_nec_usb2(void) { struct device_node *nec; - for (nec = NULL; (nec = of_find_node_by_name(nec, "usb")) != NULL;) { + for_each_node_by_name(nec, "usb") { struct pci_controller *hose; u32 data; const u32 *prop; diff --git a/arch/powerpc/platforms/powermac/smp.c b/arch/powerpc/platforms/powermac/smp.c index 5cbd4d67d5c4..af094ae03dbb 100644 --- a/arch/powerpc/platforms/powermac/smp.c +++ b/arch/powerpc/platforms/powermac/smp.c @@ -577,7 +577,7 @@ static void __init smp_core99_setup_i2c_hwsync(int ncpus) int ok; /* Look for the clock chip */ - while ((cc = of_find_node_by_name(cc, "i2c-hwclock")) != NULL) { + for_each_node_by_name(cc, "i2c-hwclock") { p = of_get_parent(cc); ok = p && of_device_is_compatible(p, "uni-n-i2c"); of_node_put(p); diff --git a/arch/powerpc/platforms/powermac/udbg_adb.c b/arch/powerpc/platforms/powermac/udbg_adb.c index 44e0b55a2a02..366bd221edec 100644 --- a/arch/powerpc/platforms/powermac/udbg_adb.c +++ b/arch/powerpc/platforms/powermac/udbg_adb.c @@ -191,7 +191,7 @@ int __init udbg_adb_init(int force_btext) * of type "adb". If not, we return a failure, but we keep the * bext output set for now */ - for (np = NULL; (np = of_find_node_by_name(np, "keyboard")) != NULL;) { + for_each_node_by_name(np, "keyboard") { struct device_node *parent = of_get_parent(np); int found = (parent && strcmp(parent->type, "adb") == 0); of_node_put(parent); diff --git a/arch/powerpc/platforms/powernv/opal-wrappers.S b/arch/powerpc/platforms/powernv/opal-wrappers.S index a328be44880f..2e6ce1b8dc8f 100644 --- a/arch/powerpc/platforms/powernv/opal-wrappers.S +++ b/arch/powerpc/platforms/powernv/opal-wrappers.S @@ -245,3 +245,5 @@ OPAL_CALL(opal_sensor_read, OPAL_SENSOR_READ); OPAL_CALL(opal_get_param, OPAL_GET_PARAM); OPAL_CALL(opal_set_param, OPAL_SET_PARAM); OPAL_CALL(opal_handle_hmi, OPAL_HANDLE_HMI); +OPAL_CALL(opal_register_dump_region, OPAL_REGISTER_DUMP_REGION); +OPAL_CALL(opal_unregister_dump_region, OPAL_UNREGISTER_DUMP_REGION); diff --git a/arch/powerpc/platforms/powernv/opal.c b/arch/powerpc/platforms/powernv/opal.c index f0a01a46a57d..b44eec3e8dbd 100644 --- a/arch/powerpc/platforms/powernv/opal.c +++ b/arch/powerpc/platforms/powernv/opal.c @@ -605,6 +605,24 @@ static int opal_sysfs_init(void) return 0; } +static void __init opal_dump_region_init(void) +{ + void *addr; + uint64_t size; + int rc; + + /* Register kernel log buffer */ + addr = log_buf_addr_get(); + size = log_buf_len_get(); + rc = opal_register_dump_region(OPAL_DUMP_REGION_LOG_BUF, + __pa(addr), size); + /* Don't warn if this is just an older OPAL that doesn't + * know about that call + */ + if (rc && rc != OPAL_UNSUPPORTED) + pr_warn("DUMP: Failed to register kernel log buffer. " + "rc = %d\n", rc); +} static int __init opal_init(void) { struct device_node *np, *consoles; @@ -654,6 +672,8 @@ static int __init opal_init(void) /* Create "opal" kobject under /sys/firmware */ rc = opal_sysfs_init(); if (rc == 0) { + /* Setup dump region interface */ + opal_dump_region_init(); /* Setup error log interface */ rc = opal_elog_init(); /* Setup code update interface */ @@ -694,6 +714,9 @@ void opal_shutdown(void) else mdelay(10); } + + /* Unregister memory dump region */ + opal_unregister_dump_region(OPAL_DUMP_REGION_LOG_BUF); } /* Export this so that test modules can use it */ diff --git a/arch/powerpc/platforms/powernv/pci-ioda.c b/arch/powerpc/platforms/powernv/pci-ioda.c index b136108ddc99..df241b11d4f7 100644 --- a/arch/powerpc/platforms/powernv/pci-ioda.c +++ b/arch/powerpc/platforms/powernv/pci-ioda.c @@ -857,7 +857,7 @@ static void pnv_pci_ioda_dma_dev_setup(struct pnv_phb *phb, struct pci_dev *pdev pe = &phb->ioda.pe_array[pdn->pe_number]; WARN_ON(get_dma_ops(&pdev->dev) != &dma_iommu_ops); - set_iommu_table_base(&pdev->dev, &pe->tce32_table); + set_iommu_table_base_and_group(&pdev->dev, &pe->tce32_table); } static int pnv_pci_ioda_dma_set_mask(struct pnv_phb *phb, diff --git a/arch/powerpc/platforms/pseries/hotplug-memory.c b/arch/powerpc/platforms/pseries/hotplug-memory.c index 7995135170a3..c904583baf4b 100644 --- a/arch/powerpc/platforms/pseries/hotplug-memory.c +++ b/arch/powerpc/platforms/pseries/hotplug-memory.c @@ -146,7 +146,7 @@ static inline int pseries_remove_memblock(unsigned long base, } static inline int pseries_remove_mem_node(struct device_node *np) { - return -EOPNOTSUPP; + return 0; } #endif /* CONFIG_MEMORY_HOTREMOVE */ @@ -194,7 +194,7 @@ static int pseries_update_drconf_memory(struct of_prop_reconfig *pr) if (!memblock_size) return -EINVAL; - p = (u32 *)of_get_property(pr->dn, "ibm,dynamic-memory", NULL); + p = (u32 *) pr->old_prop->value; if (!p) return -EINVAL; diff --git a/arch/powerpc/platforms/pseries/hvcserver.c b/arch/powerpc/platforms/pseries/hvcserver.c index 4557e91626c4..eedb64594dc5 100644 --- a/arch/powerpc/platforms/pseries/hvcserver.c +++ b/arch/powerpc/platforms/pseries/hvcserver.c @@ -163,8 +163,8 @@ int hvcs_get_partner_info(uint32_t unit_address, struct list_head *head, return retval; } - last_p_partition_ID = pi_buff[0]; - last_p_unit_address = pi_buff[1]; + last_p_partition_ID = be64_to_cpu(pi_buff[0]); + last_p_unit_address = be64_to_cpu(pi_buff[1]); /* This indicates that there are no further partners */ if (last_p_partition_ID == ~0UL diff --git a/arch/powerpc/platforms/pseries/iommu.c b/arch/powerpc/platforms/pseries/iommu.c index 33b552ffbe57..4642d6a4d356 100644 --- a/arch/powerpc/platforms/pseries/iommu.c +++ b/arch/powerpc/platforms/pseries/iommu.c @@ -721,13 +721,13 @@ static int __init disable_ddw_setup(char *str) early_param("disable_ddw", disable_ddw_setup); -static void remove_ddw(struct device_node *np) +static void remove_ddw(struct device_node *np, bool remove_prop) { struct dynamic_dma_window_prop *dwp; struct property *win64; const u32 *ddw_avail; u64 liobn; - int len, ret; + int len, ret = 0; ddw_avail = of_get_property(np, "ibm,ddw-applicable", &len); win64 = of_find_property(np, DIRECT64_PROPNAME, NULL); @@ -761,7 +761,8 @@ static void remove_ddw(struct device_node *np) np->full_name, ret, ddw_avail[2], liobn); delprop: - ret = of_remove_property(np, win64); + if (remove_prop) + ret = of_remove_property(np, win64); if (ret) pr_warning("%s: failed to remove direct window property: %d\n", np->full_name, ret); @@ -805,7 +806,7 @@ static int find_existing_ddw_windows(void) window = kzalloc(sizeof(*window), GFP_KERNEL); if (!window || len < sizeof(struct dynamic_dma_window_prop)) { kfree(window); - remove_ddw(pdn); + remove_ddw(pdn, true); continue; } @@ -1045,7 +1046,7 @@ out_free_window: kfree(window); out_clear_window: - remove_ddw(pdn); + remove_ddw(pdn, true); out_free_prop: kfree(win64->name); @@ -1255,7 +1256,14 @@ static int iommu_reconfig_notifier(struct notifier_block *nb, unsigned long acti switch (action) { case OF_RECONFIG_DETACH_NODE: - remove_ddw(np); + /* + * Removing the property will invoke the reconfig + * notifier again, which causes dead-lock on the + * read-write semaphore of the notifier chain. So + * we have to remove the property when releasing + * the device node. + */ + remove_ddw(np, false); if (pci && pci->iommu_table) iommu_free_table(pci->iommu_table, np->full_name); diff --git a/arch/powerpc/platforms/pseries/lpar.c b/arch/powerpc/platforms/pseries/lpar.c index fbfcef514aa7..34e64237fff9 100644 --- a/arch/powerpc/platforms/pseries/lpar.c +++ b/arch/powerpc/platforms/pseries/lpar.c @@ -431,16 +431,17 @@ static void __pSeries_lpar_hugepage_invalidate(unsigned long *slot, spin_unlock_irqrestore(&pSeries_lpar_tlbie_lock, flags); } -static void pSeries_lpar_hugepage_invalidate(struct mm_struct *mm, - unsigned char *hpte_slot_array, - unsigned long addr, int psize) +static void pSeries_lpar_hugepage_invalidate(unsigned long vsid, + unsigned long addr, + unsigned char *hpte_slot_array, + int psize, int ssize) { - int ssize = 0, i, index = 0; + int i, index = 0; unsigned long s_addr = addr; unsigned int max_hpte_count, valid; unsigned long vpn_array[PPC64_HUGE_HPTE_BATCH]; unsigned long slot_array[PPC64_HUGE_HPTE_BATCH]; - unsigned long shift, hidx, vpn = 0, vsid, hash, slot; + unsigned long shift, hidx, vpn = 0, hash, slot; shift = mmu_psize_defs[psize].shift; max_hpte_count = 1U << (PMD_SHIFT - shift); @@ -453,15 +454,6 @@ static void pSeries_lpar_hugepage_invalidate(struct mm_struct *mm, /* get the vpn */ addr = s_addr + (i * (1ul << shift)); - if (!is_kernel_addr(addr)) { - ssize = user_segment_size(addr); - vsid = get_vsid(mm->context.id, addr, ssize); - WARN_ON(vsid == 0); - } else { - vsid = get_kernel_vsid(addr, mmu_kernel_ssize); - ssize = mmu_kernel_ssize; - } - vpn = hpt_vpn(addr, vsid, ssize); hash = hpt_hash(vpn, shift, ssize); if (hidx & _PTEIDX_SECONDARY) diff --git a/arch/powerpc/platforms/pseries/setup.c b/arch/powerpc/platforms/pseries/setup.c index cfe8a6389a51..e724d3186e73 100644 --- a/arch/powerpc/platforms/pseries/setup.c +++ b/arch/powerpc/platforms/pseries/setup.c @@ -232,8 +232,7 @@ static void __init pseries_discover_pic(void) struct device_node *np; const char *typep; - for (np = NULL; (np = of_find_node_by_name(np, - "interrupt-controller"));) { + for_each_node_by_name(np, "interrupt-controller") { typep = of_get_property(np, "compatible", NULL); if (strstr(typep, "open-pic")) { pSeries_mpic_node = of_node_get(np); diff --git a/arch/powerpc/xmon/xmon.c b/arch/powerpc/xmon/xmon.c index 8d198b5e9e0a..b988b5addf86 100644 --- a/arch/powerpc/xmon/xmon.c +++ b/arch/powerpc/xmon/xmon.c @@ -24,6 +24,7 @@ #include <linux/interrupt.h> #include <linux/irq.h> #include <linux/bug.h> +#include <linux/nmi.h> #include <asm/ptrace.h> #include <asm/string.h> @@ -374,6 +375,7 @@ static int xmon_core(struct pt_regs *regs, int fromipi) #endif local_irq_save(flags); + hard_irq_disable(); bp = in_breakpoint_table(regs->nip, &offset); if (bp != NULL) { @@ -558,6 +560,7 @@ static int xmon_core(struct pt_regs *regs, int fromipi) #endif insert_cpu_bpts(); + touch_nmi_watchdog(); local_irq_restore(flags); return cmd != 'X' && cmd != EOF; diff --git a/arch/sh/drivers/dma/dma-sh.c b/arch/sh/drivers/dma/dma-sh.c index b22565623142..afde2a7d3eb3 100644 --- a/arch/sh/drivers/dma/dma-sh.c +++ b/arch/sh/drivers/dma/dma-sh.c @@ -25,7 +25,7 @@ * Define the default configuration for dual address memory-memory transfer. * The 0x400 value represents auto-request, external->external. */ -#define RS_DUAL (DM_INC | SM_INC | 0x400 | TS_INDEX2VAL(XMIT_SZ_32BIT)) +#define RS_DUAL (DM_INC | SM_INC | RS_AUTO | TS_INDEX2VAL(XMIT_SZ_32BIT)) static unsigned long dma_find_base(unsigned int chan) { diff --git a/arch/sh/include/asm/dma-register.h b/arch/sh/include/asm/dma-register.h index 51cd78feacff..c757b47e6b64 100644 --- a/arch/sh/include/asm/dma-register.h +++ b/arch/sh/include/asm/dma-register.h @@ -13,17 +13,17 @@ #ifndef DMA_REGISTER_H #define DMA_REGISTER_H -/* DMA register */ -#define SAR 0x00 -#define DAR 0x04 -#define TCR 0x08 -#define CHCR 0x0C -#define DMAOR 0x40 +/* DMA registers */ +#define SAR 0x00 /* Source Address Register */ +#define DAR 0x04 /* Destination Address Register */ +#define TCR 0x08 /* Transfer Count Register */ +#define CHCR 0x0C /* Channel Control Register */ +#define DMAOR 0x40 /* DMA Operation Register */ /* DMAOR definitions */ -#define DMAOR_AE 0x00000004 +#define DMAOR_AE 0x00000004 /* Address Error Flag */ #define DMAOR_NMIF 0x00000002 -#define DMAOR_DME 0x00000001 +#define DMAOR_DME 0x00000001 /* DMA Master Enable */ /* Definitions for the SuperH DMAC */ #define REQ_L 0x00000000 @@ -34,18 +34,20 @@ #define ACK_W 0x00020000 #define ACK_H 0x00000000 #define ACK_L 0x00010000 -#define DM_INC 0x00004000 -#define DM_DEC 0x00008000 -#define DM_FIX 0x0000c000 -#define SM_INC 0x00001000 -#define SM_DEC 0x00002000 -#define SM_FIX 0x00003000 +#define DM_INC 0x00004000 /* Destination addresses are incremented */ +#define DM_DEC 0x00008000 /* Destination addresses are decremented */ +#define DM_FIX 0x0000c000 /* Destination address is fixed */ +#define SM_INC 0x00001000 /* Source addresses are incremented */ +#define SM_DEC 0x00002000 /* Source addresses are decremented */ +#define SM_FIX 0x00003000 /* Source address is fixed */ #define RS_IN 0x00000200 #define RS_OUT 0x00000300 +#define RS_AUTO 0x00000400 /* Auto Request */ +#define RS_ERS 0x00000800 /* DMA extended resource selector */ #define TS_BLK 0x00000040 #define TM_BUR 0x00000020 -#define CHCR_DE 0x00000001 -#define CHCR_TE 0x00000002 -#define CHCR_IE 0x00000004 +#define CHCR_DE 0x00000001 /* DMA Enable */ +#define CHCR_TE 0x00000002 /* Transfer End Flag */ +#define CHCR_IE 0x00000004 /* Interrupt Enable */ #endif diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7722.c b/arch/sh/kernel/cpu/sh4a/setup-sh7722.c index 57f83a92a505..7aa733307afc 100644 --- a/arch/sh/kernel/cpu/sh4a/setup-sh7722.c +++ b/arch/sh/kernel/cpu/sh4a/setup-sh7722.c @@ -30,62 +30,62 @@ static const struct sh_dmae_slave_config sh7722_dmae_slaves[] = { { .slave_id = SHDMA_SLAVE_SCIF0_TX, .addr = 0xffe0000c, - .chcr = DM_FIX | SM_INC | 0x800 | TS_INDEX2VAL(XMIT_SZ_8BIT), + .chcr = DM_FIX | SM_INC | RS_ERS | TS_INDEX2VAL(XMIT_SZ_8BIT), .mid_rid = 0x21, }, { .slave_id = SHDMA_SLAVE_SCIF0_RX, .addr = 0xffe00014, - .chcr = DM_INC | SM_FIX | 0x800 | TS_INDEX2VAL(XMIT_SZ_8BIT), + .chcr = DM_INC | SM_FIX | RS_ERS | TS_INDEX2VAL(XMIT_SZ_8BIT), .mid_rid = 0x22, }, { .slave_id = SHDMA_SLAVE_SCIF1_TX, .addr = 0xffe1000c, - .chcr = DM_FIX | SM_INC | 0x800 | TS_INDEX2VAL(XMIT_SZ_8BIT), + .chcr = DM_FIX | SM_INC | RS_ERS | TS_INDEX2VAL(XMIT_SZ_8BIT), .mid_rid = 0x25, }, { .slave_id = SHDMA_SLAVE_SCIF1_RX, .addr = 0xffe10014, - .chcr = DM_INC | SM_FIX | 0x800 | TS_INDEX2VAL(XMIT_SZ_8BIT), + .chcr = DM_INC | SM_FIX | RS_ERS | TS_INDEX2VAL(XMIT_SZ_8BIT), .mid_rid = 0x26, }, { .slave_id = SHDMA_SLAVE_SCIF2_TX, .addr = 0xffe2000c, - .chcr = DM_FIX | SM_INC | 0x800 | TS_INDEX2VAL(XMIT_SZ_8BIT), + .chcr = DM_FIX | SM_INC | RS_ERS | TS_INDEX2VAL(XMIT_SZ_8BIT), .mid_rid = 0x29, }, { .slave_id = SHDMA_SLAVE_SCIF2_RX, .addr = 0xffe20014, - .chcr = DM_INC | SM_FIX | 0x800 | TS_INDEX2VAL(XMIT_SZ_8BIT), + .chcr = DM_INC | SM_FIX | RS_ERS | TS_INDEX2VAL(XMIT_SZ_8BIT), .mid_rid = 0x2a, }, { .slave_id = SHDMA_SLAVE_SIUA_TX, .addr = 0xa454c098, - .chcr = DM_FIX | SM_INC | 0x800 | TS_INDEX2VAL(XMIT_SZ_32BIT), + .chcr = DM_FIX | SM_INC | RS_ERS | TS_INDEX2VAL(XMIT_SZ_32BIT), .mid_rid = 0xb1, }, { .slave_id = SHDMA_SLAVE_SIUA_RX, .addr = 0xa454c090, - .chcr = DM_INC | SM_FIX | 0x800 | TS_INDEX2VAL(XMIT_SZ_32BIT), + .chcr = DM_INC | SM_FIX | RS_ERS | TS_INDEX2VAL(XMIT_SZ_32BIT), .mid_rid = 0xb2, }, { .slave_id = SHDMA_SLAVE_SIUB_TX, .addr = 0xa454c09c, - .chcr = DM_FIX | SM_INC | 0x800 | TS_INDEX2VAL(XMIT_SZ_32BIT), + .chcr = DM_FIX | SM_INC | RS_ERS | TS_INDEX2VAL(XMIT_SZ_32BIT), .mid_rid = 0xb5, }, { .slave_id = SHDMA_SLAVE_SIUB_RX, .addr = 0xa454c094, - .chcr = DM_INC | SM_FIX | 0x800 | TS_INDEX2VAL(XMIT_SZ_32BIT), + .chcr = DM_INC | SM_FIX | RS_ERS | TS_INDEX2VAL(XMIT_SZ_32BIT), .mid_rid = 0xb6, }, { .slave_id = SHDMA_SLAVE_SDHI0_TX, .addr = 0x04ce0030, - .chcr = DM_FIX | SM_INC | 0x800 | TS_INDEX2VAL(XMIT_SZ_16BIT), + .chcr = DM_FIX | SM_INC | RS_ERS | TS_INDEX2VAL(XMIT_SZ_16BIT), .mid_rid = 0xc1, }, { .slave_id = SHDMA_SLAVE_SDHI0_RX, .addr = 0x04ce0030, - .chcr = DM_INC | SM_FIX | 0x800 | TS_INDEX2VAL(XMIT_SZ_16BIT), + .chcr = DM_INC | SM_FIX | RS_ERS | TS_INDEX2VAL(XMIT_SZ_16BIT), .mid_rid = 0xc2, }, }; diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7724.c b/arch/sh/kernel/cpu/sh4a/setup-sh7724.c index b9e84b1d3aa7..ea5780b3c7f6 100644 --- a/arch/sh/kernel/cpu/sh4a/setup-sh7724.c +++ b/arch/sh/kernel/cpu/sh4a/setup-sh7724.c @@ -36,122 +36,122 @@ static const struct sh_dmae_slave_config sh7724_dmae_slaves[] = { { .slave_id = SHDMA_SLAVE_SCIF0_TX, .addr = 0xffe0000c, - .chcr = DM_FIX | SM_INC | 0x800 | TS_INDEX2VAL(XMIT_SZ_8BIT), + .chcr = DM_FIX | SM_INC | RS_ERS | TS_INDEX2VAL(XMIT_SZ_8BIT), .mid_rid = 0x21, }, { .slave_id = SHDMA_SLAVE_SCIF0_RX, .addr = 0xffe00014, - .chcr = DM_INC | SM_FIX | 0x800 | TS_INDEX2VAL(XMIT_SZ_8BIT), + .chcr = DM_INC | SM_FIX | RS_ERS | TS_INDEX2VAL(XMIT_SZ_8BIT), .mid_rid = 0x22, }, { .slave_id = SHDMA_SLAVE_SCIF1_TX, .addr = 0xffe1000c, - .chcr = DM_FIX | SM_INC | 0x800 | TS_INDEX2VAL(XMIT_SZ_8BIT), + .chcr = DM_FIX | SM_INC | RS_ERS | TS_INDEX2VAL(XMIT_SZ_8BIT), .mid_rid = 0x25, }, { .slave_id = SHDMA_SLAVE_SCIF1_RX, .addr = 0xffe10014, - .chcr = DM_INC | SM_FIX | 0x800 | TS_INDEX2VAL(XMIT_SZ_8BIT), + .chcr = DM_INC | SM_FIX | RS_ERS | TS_INDEX2VAL(XMIT_SZ_8BIT), .mid_rid = 0x26, }, { .slave_id = SHDMA_SLAVE_SCIF2_TX, .addr = 0xffe2000c, - .chcr = DM_FIX | SM_INC | 0x800 | TS_INDEX2VAL(XMIT_SZ_8BIT), + .chcr = DM_FIX | SM_INC | RS_ERS | TS_INDEX2VAL(XMIT_SZ_8BIT), .mid_rid = 0x29, }, { .slave_id = SHDMA_SLAVE_SCIF2_RX, .addr = 0xffe20014, - .chcr = DM_INC | SM_FIX | 0x800 | TS_INDEX2VAL(XMIT_SZ_8BIT), + .chcr = DM_INC | SM_FIX | RS_ERS | TS_INDEX2VAL(XMIT_SZ_8BIT), .mid_rid = 0x2a, }, { .slave_id = SHDMA_SLAVE_SCIF3_TX, .addr = 0xa4e30020, - .chcr = DM_FIX | SM_INC | 0x800 | TS_INDEX2VAL(XMIT_SZ_8BIT), + .chcr = DM_FIX | SM_INC | RS_ERS | TS_INDEX2VAL(XMIT_SZ_8BIT), .mid_rid = 0x2d, }, { .slave_id = SHDMA_SLAVE_SCIF3_RX, .addr = 0xa4e30024, - .chcr = DM_INC | SM_FIX | 0x800 | TS_INDEX2VAL(XMIT_SZ_8BIT), + .chcr = DM_INC | SM_FIX | RS_ERS | TS_INDEX2VAL(XMIT_SZ_8BIT), .mid_rid = 0x2e, }, { .slave_id = SHDMA_SLAVE_SCIF4_TX, .addr = 0xa4e40020, - .chcr = DM_FIX | SM_INC | 0x800 | TS_INDEX2VAL(XMIT_SZ_8BIT), + .chcr = DM_FIX | SM_INC | RS_ERS | TS_INDEX2VAL(XMIT_SZ_8BIT), .mid_rid = 0x31, }, { .slave_id = SHDMA_SLAVE_SCIF4_RX, .addr = 0xa4e40024, - .chcr = DM_INC | SM_FIX | 0x800 | TS_INDEX2VAL(XMIT_SZ_8BIT), + .chcr = DM_INC | SM_FIX | RS_ERS | TS_INDEX2VAL(XMIT_SZ_8BIT), .mid_rid = 0x32, }, { .slave_id = SHDMA_SLAVE_SCIF5_TX, .addr = 0xa4e50020, - .chcr = DM_FIX | SM_INC | 0x800 | TS_INDEX2VAL(XMIT_SZ_8BIT), + .chcr = DM_FIX | SM_INC | RS_ERS | TS_INDEX2VAL(XMIT_SZ_8BIT), .mid_rid = 0x35, }, { .slave_id = SHDMA_SLAVE_SCIF5_RX, .addr = 0xa4e50024, - .chcr = DM_INC | SM_FIX | 0x800 | TS_INDEX2VAL(XMIT_SZ_8BIT), + .chcr = DM_INC | SM_FIX | RS_ERS | TS_INDEX2VAL(XMIT_SZ_8BIT), .mid_rid = 0x36, }, { .slave_id = SHDMA_SLAVE_USB0D0_TX, .addr = 0xA4D80100, - .chcr = DM_FIX | SM_INC | 0x800 | TS_INDEX2VAL(XMIT_SZ_32BIT), + .chcr = DM_FIX | SM_INC | RS_ERS | TS_INDEX2VAL(XMIT_SZ_32BIT), .mid_rid = 0x73, }, { .slave_id = SHDMA_SLAVE_USB0D0_RX, .addr = 0xA4D80100, - .chcr = DM_INC | SM_FIX | 0x800 | TS_INDEX2VAL(XMIT_SZ_32BIT), + .chcr = DM_INC | SM_FIX | RS_ERS | TS_INDEX2VAL(XMIT_SZ_32BIT), .mid_rid = 0x73, }, { .slave_id = SHDMA_SLAVE_USB0D1_TX, .addr = 0xA4D80120, - .chcr = DM_FIX | SM_INC | 0x800 | TS_INDEX2VAL(XMIT_SZ_32BIT), + .chcr = DM_FIX | SM_INC | RS_ERS | TS_INDEX2VAL(XMIT_SZ_32BIT), .mid_rid = 0x77, }, { .slave_id = SHDMA_SLAVE_USB0D1_RX, .addr = 0xA4D80120, - .chcr = DM_INC | SM_FIX | 0x800 | TS_INDEX2VAL(XMIT_SZ_32BIT), + .chcr = DM_INC | SM_FIX | RS_ERS | TS_INDEX2VAL(XMIT_SZ_32BIT), .mid_rid = 0x77, }, { .slave_id = SHDMA_SLAVE_USB1D0_TX, .addr = 0xA4D90100, - .chcr = DM_FIX | SM_INC | 0x800 | TS_INDEX2VAL(XMIT_SZ_32BIT), + .chcr = DM_FIX | SM_INC | RS_ERS | TS_INDEX2VAL(XMIT_SZ_32BIT), .mid_rid = 0xab, }, { .slave_id = SHDMA_SLAVE_USB1D0_RX, .addr = 0xA4D90100, - .chcr = DM_INC | SM_FIX | 0x800 | TS_INDEX2VAL(XMIT_SZ_32BIT), + .chcr = DM_INC | SM_FIX | RS_ERS | TS_INDEX2VAL(XMIT_SZ_32BIT), .mid_rid = 0xab, }, { .slave_id = SHDMA_SLAVE_USB1D1_TX, .addr = 0xA4D90120, - .chcr = DM_FIX | SM_INC | 0x800 | TS_INDEX2VAL(XMIT_SZ_32BIT), + .chcr = DM_FIX | SM_INC | RS_ERS | TS_INDEX2VAL(XMIT_SZ_32BIT), .mid_rid = 0xaf, }, { .slave_id = SHDMA_SLAVE_USB1D1_RX, .addr = 0xA4D90120, - .chcr = DM_INC | SM_FIX | 0x800 | TS_INDEX2VAL(XMIT_SZ_32BIT), + .chcr = DM_INC | SM_FIX | RS_ERS | TS_INDEX2VAL(XMIT_SZ_32BIT), .mid_rid = 0xaf, }, { .slave_id = SHDMA_SLAVE_SDHI0_TX, .addr = 0x04ce0030, - .chcr = DM_FIX | SM_INC | 0x800 | TS_INDEX2VAL(XMIT_SZ_16BIT), + .chcr = DM_FIX | SM_INC | RS_ERS | TS_INDEX2VAL(XMIT_SZ_16BIT), .mid_rid = 0xc1, }, { .slave_id = SHDMA_SLAVE_SDHI0_RX, .addr = 0x04ce0030, - .chcr = DM_INC | SM_FIX | 0x800 | TS_INDEX2VAL(XMIT_SZ_16BIT), + .chcr = DM_INC | SM_FIX | RS_ERS | TS_INDEX2VAL(XMIT_SZ_16BIT), .mid_rid = 0xc2, }, { .slave_id = SHDMA_SLAVE_SDHI1_TX, .addr = 0x04cf0030, - .chcr = DM_FIX | SM_INC | 0x800 | TS_INDEX2VAL(XMIT_SZ_16BIT), + .chcr = DM_FIX | SM_INC | RS_ERS | TS_INDEX2VAL(XMIT_SZ_16BIT), .mid_rid = 0xc9, }, { .slave_id = SHDMA_SLAVE_SDHI1_RX, .addr = 0x04cf0030, - .chcr = DM_INC | SM_FIX | 0x800 | TS_INDEX2VAL(XMIT_SZ_16BIT), + .chcr = DM_INC | SM_FIX | RS_ERS | TS_INDEX2VAL(XMIT_SZ_16BIT), .mid_rid = 0xca, }, }; diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7757.c b/arch/sh/kernel/cpu/sh4a/setup-sh7757.c index 7b24ec4b409a..18bcd70cd813 100644 --- a/arch/sh/kernel/cpu/sh4a/setup-sh7757.c +++ b/arch/sh/kernel/cpu/sh4a/setup-sh7757.c @@ -123,28 +123,28 @@ static const struct sh_dmae_slave_config sh7757_dmae0_slaves[] = { { .slave_id = SHDMA_SLAVE_SDHI_TX, .addr = 0x1fe50030, - .chcr = SM_INC | 0x800 | 0x40000000 | + .chcr = SM_INC | RS_ERS | 0x40000000 | TS_INDEX2VAL(XMIT_SZ_16BIT), .mid_rid = 0xc5, }, { .slave_id = SHDMA_SLAVE_SDHI_RX, .addr = 0x1fe50030, - .chcr = DM_INC | 0x800 | 0x40000000 | + .chcr = DM_INC | RS_ERS | 0x40000000 | TS_INDEX2VAL(XMIT_SZ_16BIT), .mid_rid = 0xc6, }, { .slave_id = SHDMA_SLAVE_MMCIF_TX, .addr = 0x1fcb0034, - .chcr = SM_INC | 0x800 | 0x40000000 | + .chcr = SM_INC | RS_ERS | 0x40000000 | TS_INDEX2VAL(XMIT_SZ_32BIT), .mid_rid = 0xd3, }, { .slave_id = SHDMA_SLAVE_MMCIF_RX, .addr = 0x1fcb0034, - .chcr = DM_INC | 0x800 | 0x40000000 | + .chcr = DM_INC | RS_ERS | 0x40000000 | TS_INDEX2VAL(XMIT_SZ_32BIT), .mid_rid = 0xd7, }, @@ -154,56 +154,56 @@ static const struct sh_dmae_slave_config sh7757_dmae1_slaves[] = { { .slave_id = SHDMA_SLAVE_SCIF2_TX, .addr = 0x1f4b000c, - .chcr = SM_INC | 0x800 | 0x40000000 | + .chcr = SM_INC | RS_ERS | 0x40000000 | TS_INDEX2VAL(XMIT_SZ_8BIT), .mid_rid = 0x21, }, { .slave_id = SHDMA_SLAVE_SCIF2_RX, .addr = 0x1f4b0014, - .chcr = DM_INC | 0x800 | 0x40000000 | + .chcr = DM_INC | RS_ERS | 0x40000000 | TS_INDEX2VAL(XMIT_SZ_8BIT), .mid_rid = 0x22, }, { .slave_id = SHDMA_SLAVE_SCIF3_TX, .addr = 0x1f4c000c, - .chcr = SM_INC | 0x800 | 0x40000000 | + .chcr = SM_INC | RS_ERS | 0x40000000 | TS_INDEX2VAL(XMIT_SZ_8BIT), .mid_rid = 0x29, }, { .slave_id = SHDMA_SLAVE_SCIF3_RX, .addr = 0x1f4c0014, - .chcr = DM_INC | 0x800 | 0x40000000 | + .chcr = DM_INC | RS_ERS | 0x40000000 | TS_INDEX2VAL(XMIT_SZ_8BIT), .mid_rid = 0x2a, }, { .slave_id = SHDMA_SLAVE_SCIF4_TX, .addr = 0x1f4d000c, - .chcr = SM_INC | 0x800 | 0x40000000 | + .chcr = SM_INC | RS_ERS | 0x40000000 | TS_INDEX2VAL(XMIT_SZ_8BIT), .mid_rid = 0x41, }, { .slave_id = SHDMA_SLAVE_SCIF4_RX, .addr = 0x1f4d0014, - .chcr = DM_INC | 0x800 | 0x40000000 | + .chcr = DM_INC | RS_ERS | 0x40000000 | TS_INDEX2VAL(XMIT_SZ_8BIT), .mid_rid = 0x42, }, { .slave_id = SHDMA_SLAVE_RSPI_TX, .addr = 0xfe480004, - .chcr = SM_INC | 0x800 | 0x40000000 | + .chcr = SM_INC | RS_ERS | 0x40000000 | TS_INDEX2VAL(XMIT_SZ_16BIT), .mid_rid = 0xc1, }, { .slave_id = SHDMA_SLAVE_RSPI_RX, .addr = 0xfe480004, - .chcr = DM_INC | 0x800 | 0x40000000 | + .chcr = DM_INC | RS_ERS | 0x40000000 | TS_INDEX2VAL(XMIT_SZ_16BIT), .mid_rid = 0xc2, }, @@ -213,70 +213,70 @@ static const struct sh_dmae_slave_config sh7757_dmae2_slaves[] = { { .slave_id = SHDMA_SLAVE_RIIC0_TX, .addr = 0x1e500012, - .chcr = SM_INC | 0x800 | 0x40000000 | + .chcr = SM_INC | RS_ERS | 0x40000000 | TS_INDEX2VAL(XMIT_SZ_8BIT), .mid_rid = 0x21, }, { .slave_id = SHDMA_SLAVE_RIIC0_RX, .addr = 0x1e500013, - .chcr = DM_INC | 0x800 | 0x40000000 | + .chcr = DM_INC | RS_ERS | 0x40000000 | TS_INDEX2VAL(XMIT_SZ_8BIT), .mid_rid = 0x22, }, { .slave_id = SHDMA_SLAVE_RIIC1_TX, .addr = 0x1e510012, - .chcr = SM_INC | 0x800 | 0x40000000 | + .chcr = SM_INC | RS_ERS | 0x40000000 | TS_INDEX2VAL(XMIT_SZ_8BIT), .mid_rid = 0x29, }, { .slave_id = SHDMA_SLAVE_RIIC1_RX, .addr = 0x1e510013, - .chcr = DM_INC | 0x800 | 0x40000000 | + .chcr = DM_INC | RS_ERS | 0x40000000 | TS_INDEX2VAL(XMIT_SZ_8BIT), .mid_rid = 0x2a, }, { .slave_id = SHDMA_SLAVE_RIIC2_TX, .addr = 0x1e520012, - .chcr = SM_INC | 0x800 | 0x40000000 | + .chcr = SM_INC | RS_ERS | 0x40000000 | TS_INDEX2VAL(XMIT_SZ_8BIT), .mid_rid = 0xa1, }, { .slave_id = SHDMA_SLAVE_RIIC2_RX, .addr = 0x1e520013, - .chcr = DM_INC | 0x800 | 0x40000000 | + .chcr = DM_INC | RS_ERS | 0x40000000 | TS_INDEX2VAL(XMIT_SZ_8BIT), .mid_rid = 0xa2, }, { .slave_id = SHDMA_SLAVE_RIIC3_TX, .addr = 0x1e530012, - .chcr = SM_INC | 0x800 | 0x40000000 | + .chcr = SM_INC | RS_ERS | 0x40000000 | TS_INDEX2VAL(XMIT_SZ_8BIT), .mid_rid = 0xa9, }, { .slave_id = SHDMA_SLAVE_RIIC3_RX, .addr = 0x1e530013, - .chcr = DM_INC | 0x800 | 0x40000000 | + .chcr = DM_INC | RS_ERS | 0x40000000 | TS_INDEX2VAL(XMIT_SZ_8BIT), .mid_rid = 0xaf, }, { .slave_id = SHDMA_SLAVE_RIIC4_TX, .addr = 0x1e540012, - .chcr = SM_INC | 0x800 | 0x40000000 | + .chcr = SM_INC | RS_ERS | 0x40000000 | TS_INDEX2VAL(XMIT_SZ_8BIT), .mid_rid = 0xc5, }, { .slave_id = SHDMA_SLAVE_RIIC4_RX, .addr = 0x1e540013, - .chcr = DM_INC | 0x800 | 0x40000000 | + .chcr = DM_INC | RS_ERS | 0x40000000 | TS_INDEX2VAL(XMIT_SZ_8BIT), .mid_rid = 0xc6, }, @@ -286,70 +286,70 @@ static const struct sh_dmae_slave_config sh7757_dmae3_slaves[] = { { .slave_id = SHDMA_SLAVE_RIIC5_TX, .addr = 0x1e550012, - .chcr = SM_INC | 0x800 | 0x40000000 | + .chcr = SM_INC | RS_ERS | 0x40000000 | TS_INDEX2VAL(XMIT_SZ_8BIT), .mid_rid = 0x21, }, { .slave_id = SHDMA_SLAVE_RIIC5_RX, .addr = 0x1e550013, - .chcr = DM_INC | 0x800 | 0x40000000 | + .chcr = DM_INC | RS_ERS | 0x40000000 | TS_INDEX2VAL(XMIT_SZ_8BIT), .mid_rid = 0x22, }, { .slave_id = SHDMA_SLAVE_RIIC6_TX, .addr = 0x1e560012, - .chcr = SM_INC | 0x800 | 0x40000000 | + .chcr = SM_INC | RS_ERS | 0x40000000 | TS_INDEX2VAL(XMIT_SZ_8BIT), .mid_rid = 0x29, }, { .slave_id = SHDMA_SLAVE_RIIC6_RX, .addr = 0x1e560013, - .chcr = DM_INC | 0x800 | 0x40000000 | + .chcr = DM_INC | RS_ERS | 0x40000000 | TS_INDEX2VAL(XMIT_SZ_8BIT), .mid_rid = 0x2a, }, { .slave_id = SHDMA_SLAVE_RIIC7_TX, .addr = 0x1e570012, - .chcr = SM_INC | 0x800 | 0x40000000 | + .chcr = SM_INC | RS_ERS | 0x40000000 | TS_INDEX2VAL(XMIT_SZ_8BIT), .mid_rid = 0x41, }, { .slave_id = SHDMA_SLAVE_RIIC7_RX, .addr = 0x1e570013, - .chcr = DM_INC | 0x800 | 0x40000000 | + .chcr = DM_INC | RS_ERS | 0x40000000 | TS_INDEX2VAL(XMIT_SZ_8BIT), .mid_rid = 0x42, }, { .slave_id = SHDMA_SLAVE_RIIC8_TX, .addr = 0x1e580012, - .chcr = SM_INC | 0x800 | 0x40000000 | + .chcr = SM_INC | RS_ERS | 0x40000000 | TS_INDEX2VAL(XMIT_SZ_8BIT), .mid_rid = 0x45, }, { .slave_id = SHDMA_SLAVE_RIIC8_RX, .addr = 0x1e580013, - .chcr = DM_INC | 0x800 | 0x40000000 | + .chcr = DM_INC | RS_ERS | 0x40000000 | TS_INDEX2VAL(XMIT_SZ_8BIT), .mid_rid = 0x46, }, { .slave_id = SHDMA_SLAVE_RIIC9_TX, .addr = 0x1e590012, - .chcr = SM_INC | 0x800 | 0x40000000 | + .chcr = SM_INC | RS_ERS | 0x40000000 | TS_INDEX2VAL(XMIT_SZ_8BIT), .mid_rid = 0x51, }, { .slave_id = SHDMA_SLAVE_RIIC9_RX, .addr = 0x1e590013, - .chcr = DM_INC | 0x800 | 0x40000000 | + .chcr = DM_INC | RS_ERS | 0x40000000 | TS_INDEX2VAL(XMIT_SZ_8BIT), .mid_rid = 0x52, }, diff --git a/arch/sparc/include/uapi/asm/unistd.h b/arch/sparc/include/uapi/asm/unistd.h index 42f2bca1d338..c842a89b1190 100644 --- a/arch/sparc/include/uapi/asm/unistd.h +++ b/arch/sparc/include/uapi/asm/unistd.h @@ -411,8 +411,11 @@ #define __NR_sched_setattr 343 #define __NR_sched_getattr 344 #define __NR_renameat2 345 +#define __NR_seccomp 346 +#define __NR_getrandom 347 +#define __NR_memfd_create 348 -#define NR_syscalls 346 +#define NR_syscalls 349 /* Bitmask values returned from kern_features system call. */ #define KERN_FEATURE_MIXED_MODE_STACK 0x00000001 diff --git a/arch/sparc/kernel/nmi.c b/arch/sparc/kernel/nmi.c index 337094556916..5b1151dcba13 100644 --- a/arch/sparc/kernel/nmi.c +++ b/arch/sparc/kernel/nmi.c @@ -130,7 +130,6 @@ static inline unsigned int get_nmi_count(int cpu) static __init void nmi_cpu_busy(void *data) { - local_irq_enable_in_hardirq(); while (endflag == 0) mb(); } diff --git a/arch/sparc/kernel/pci.c b/arch/sparc/kernel/pci.c index 539babf00bb2..b36365f49478 100644 --- a/arch/sparc/kernel/pci.c +++ b/arch/sparc/kernel/pci.c @@ -432,6 +432,11 @@ static void of_scan_pci_bridge(struct pci_pbm_info *pbm, node->full_name); return; } + + if (ofpci_verbose) + printk(" Bridge bus range [%u --> %u]\n", + busrange[0], busrange[1]); + ranges = of_get_property(node, "ranges", &len); simba = 0; if (ranges == NULL) { @@ -451,6 +456,10 @@ static void of_scan_pci_bridge(struct pci_pbm_info *pbm, pci_bus_insert_busn_res(bus, busrange[0], busrange[1]); bus->bridge_ctl = 0; + if (ofpci_verbose) + printk(" Bridge ranges[%p] simba[%d]\n", + ranges, simba); + /* parse ranges property, or cook one up by hand for Simba */ /* PCI #address-cells == 3 and #size-cells == 2 always */ res = &dev->resource[PCI_BRIDGE_RESOURCES]; @@ -468,10 +477,29 @@ static void of_scan_pci_bridge(struct pci_pbm_info *pbm, } i = 1; for (; len >= 32; len -= 32, ranges += 8) { + u64 start; + + if (ofpci_verbose) + printk(" RAW Range[%08x:%08x:%08x:%08x:%08x:%08x:" + "%08x:%08x]\n", + ranges[0], ranges[1], ranges[2], ranges[3], + ranges[4], ranges[5], ranges[6], ranges[7]); + flags = pci_parse_of_flags(ranges[0]); size = GET_64BIT(ranges, 6); if (flags == 0 || size == 0) continue; + + /* On PCI-Express systems, PCI bridges that have no devices downstream + * have a bogus size value where the first 32-bit cell is 0xffffffff. + * This results in a bogus range where start + size overflows. + * + * Just skip these otherwise the kernel will complain when the resource + * tries to be claimed. + */ + if (size >> 32 == 0xffffffff) + continue; + if (flags & IORESOURCE_IO) { res = bus->resource[0]; if (res->flags) { @@ -490,8 +518,13 @@ static void of_scan_pci_bridge(struct pci_pbm_info *pbm, } res->flags = flags; - region.start = GET_64BIT(ranges, 1); + region.start = start = GET_64BIT(ranges, 1); region.end = region.start + size - 1; + + if (ofpci_verbose) + printk(" Using flags[%08x] start[%016llx] size[%016llx]\n", + flags, start, size); + pcibios_bus_to_resource(dev->bus, res, ®ion); } after_ranges: @@ -584,6 +617,36 @@ static void pci_bus_register_of_sysfs(struct pci_bus *bus) pci_bus_register_of_sysfs(child_bus); } +static void pci_claim_bus_resources(struct pci_bus *bus) +{ + struct pci_bus *child_bus; + struct pci_dev *dev; + + list_for_each_entry(dev, &bus->devices, bus_list) { + int i; + + for (i = 0; i < PCI_NUM_RESOURCES; i++) { + struct resource *r = &dev->resource[i]; + + if (r->parent || !r->start || !r->flags) + continue; + + if (ofpci_verbose) + printk("PCI: Claiming %s: " + "Resource %d: %016llx..%016llx [%x]\n", + pci_name(dev), i, + (unsigned long long)r->start, + (unsigned long long)r->end, + (unsigned int)r->flags); + + pci_claim_resource(dev, i); + } + } + + list_for_each_entry(child_bus, &bus->children, node) + pci_claim_bus_resources(child_bus); +} + struct pci_bus *pci_scan_one_pbm(struct pci_pbm_info *pbm, struct device *parent) { @@ -614,6 +677,8 @@ struct pci_bus *pci_scan_one_pbm(struct pci_pbm_info *pbm, pci_bus_add_devices(bus); pci_bus_register_of_sysfs(bus); + pci_claim_bus_resources(bus); + return bus; } diff --git a/arch/sparc/kernel/perf_event.c b/arch/sparc/kernel/perf_event.c index 8efd33753ad3..d35c490a91cb 100644 --- a/arch/sparc/kernel/perf_event.c +++ b/arch/sparc/kernel/perf_event.c @@ -1671,9 +1671,12 @@ static bool __init supported_pmu(void) static int __init init_hw_perf_events(void) { + int err; + pr_info("Performance events: "); - if (!supported_pmu()) { + err = pcr_arch_init(); + if (err || !supported_pmu()) { pr_cont("No support for PMU type '%s'\n", sparc_pmu_type); return 0; } @@ -1685,7 +1688,7 @@ static int __init init_hw_perf_events(void) return 0; } -early_initcall(init_hw_perf_events); +pure_initcall(init_hw_perf_events); void perf_callchain_kernel(struct perf_callchain_entry *entry, struct pt_regs *regs) diff --git a/arch/sparc/kernel/process_64.c b/arch/sparc/kernel/process_64.c index 027e09986194..0be7bf978cb1 100644 --- a/arch/sparc/kernel/process_64.c +++ b/arch/sparc/kernel/process_64.c @@ -312,6 +312,9 @@ static void __global_pmu_self(int this_cpu) struct global_pmu_snapshot *pp; int i, num; + if (!pcr_ops) + return; + pp = &global_cpu_snapshot[this_cpu].pmu; num = 1; diff --git a/arch/sparc/kernel/smp_32.c b/arch/sparc/kernel/smp_32.c index 7958242d63c5..b3a5d81b20f0 100644 --- a/arch/sparc/kernel/smp_32.c +++ b/arch/sparc/kernel/smp_32.c @@ -68,7 +68,7 @@ void smp_store_cpu_info(int id) mid = cpu_get_hwmid(cpu_node); if (mid < 0) { - printk(KERN_NOTICE "No MID found for CPU%d at node 0x%08d", id, cpu_node); + printk(KERN_NOTICE "No MID found for CPU%d at node 0x%08x", id, cpu_node); mid = 0; } cpu_data(id).mid = mid; diff --git a/arch/sparc/kernel/smp_64.c b/arch/sparc/kernel/smp_64.c index 41aa2478f3ca..f7ba87543e5f 100644 --- a/arch/sparc/kernel/smp_64.c +++ b/arch/sparc/kernel/smp_64.c @@ -1383,7 +1383,6 @@ void __cpu_die(unsigned int cpu) void __init smp_cpus_done(unsigned int max_cpus) { - pcr_arch_init(); } void smp_send_reschedule(int cpu) diff --git a/arch/sparc/kernel/systbls_32.S b/arch/sparc/kernel/systbls_32.S index 85fe9b1087cd..6a873c344bc0 100644 --- a/arch/sparc/kernel/systbls_32.S +++ b/arch/sparc/kernel/systbls_32.S @@ -86,4 +86,4 @@ sys_call_table: /*330*/ .long sys_fanotify_mark, sys_prlimit64, sys_name_to_handle_at, sys_open_by_handle_at, sys_clock_adjtime /*335*/ .long sys_syncfs, sys_sendmmsg, sys_setns, sys_process_vm_readv, sys_process_vm_writev /*340*/ .long sys_ni_syscall, sys_kcmp, sys_finit_module, sys_sched_setattr, sys_sched_getattr -/*345*/ .long sys_renameat2 +/*345*/ .long sys_renameat2, sys_seccomp, sys_getrandom, sys_memfd_create diff --git a/arch/sparc/kernel/systbls_64.S b/arch/sparc/kernel/systbls_64.S index 33ecba2826ea..d9151b6490d8 100644 --- a/arch/sparc/kernel/systbls_64.S +++ b/arch/sparc/kernel/systbls_64.S @@ -87,7 +87,7 @@ sys_call_table32: /*330*/ .word compat_sys_fanotify_mark, sys_prlimit64, sys_name_to_handle_at, compat_sys_open_by_handle_at, compat_sys_clock_adjtime .word sys_syncfs, compat_sys_sendmmsg, sys_setns, compat_sys_process_vm_readv, compat_sys_process_vm_writev /*340*/ .word sys_kern_features, sys_kcmp, sys_finit_module, sys_sched_setattr, sys_sched_getattr - .word sys32_renameat2 + .word sys32_renameat2, sys_seccomp, sys_getrandom, sys_memfd_create #endif /* CONFIG_COMPAT */ @@ -166,4 +166,4 @@ sys_call_table: /*330*/ .word sys_fanotify_mark, sys_prlimit64, sys_name_to_handle_at, sys_open_by_handle_at, sys_clock_adjtime .word sys_syncfs, sys_sendmmsg, sys_setns, sys_process_vm_readv, sys_process_vm_writev /*340*/ .word sys_kern_features, sys_kcmp, sys_finit_module, sys_sched_setattr, sys_sched_getattr - .word sys_renameat2 + .word sys_renameat2, sys_seccomp, sys_getrandom, sys_memfd_create diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index 4aafd322e21e..5d0bf1aa9dcb 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -434,6 +434,7 @@ config X86_INTEL_CE bool "CE4100 TV platform" depends on PCI depends on PCI_GODIRECT + depends on X86_IO_APIC depends on X86_32 depends on X86_EXTENDED_PLATFORM select X86_REBOOTFIXUPS @@ -840,6 +841,7 @@ config X86_IO_APIC def_bool y depends on X86_64 || SMP || X86_32_NON_STANDARD || X86_UP_IOAPIC || PCI_MSI select GENERIC_IRQ_LEGACY_ALLOC_HWIRQ + select IRQ_DOMAIN config X86_REROUTE_FOR_BROKEN_BOOT_IRQS bool "Reroute for broken boot IRQs" @@ -1541,7 +1543,8 @@ config EFI config EFI_STUB bool "EFI stub support" - depends on EFI + depends on EFI && !X86_USE_3DNOW + select RELOCATABLE ---help--- This kernel feature allows a bzImage to be loaded directly by EFI firmware without the use of a bootloader. diff --git a/arch/x86/include/asm/alternative.h b/arch/x86/include/asm/alternative.h index 0a3f9c9f98d5..473bdbee378a 100644 --- a/arch/x86/include/asm/alternative.h +++ b/arch/x86/include/asm/alternative.h @@ -161,6 +161,20 @@ static inline int alternatives_text_reserved(void *start, void *end) asm volatile (ALTERNATIVE(oldinstr, newinstr, feature) \ : : "i" (0), ## input) +/* + * This is similar to alternative_input. But it has two features and + * respective instructions. + * + * If CPU has feature2, newinstr2 is used. + * Otherwise, if CPU has feature1, newinstr1 is used. + * Otherwise, oldinstr is used. + */ +#define alternative_input_2(oldinstr, newinstr1, feature1, newinstr2, \ + feature2, input...) \ + asm volatile(ALTERNATIVE_2(oldinstr, newinstr1, feature1, \ + newinstr2, feature2) \ + : : "i" (0), ## input) + /* Like alternative_input, but with a single output argument */ #define alternative_io(oldinstr, newinstr, feature, output, input...) \ asm volatile (ALTERNATIVE(oldinstr, newinstr, feature) \ diff --git a/arch/x86/include/asm/apic.h b/arch/x86/include/asm/apic.h index 79752f2bdec5..465b309af254 100644 --- a/arch/x86/include/asm/apic.h +++ b/arch/x86/include/asm/apic.h @@ -85,14 +85,6 @@ static inline bool apic_from_smp_config(void) #include <asm/paravirt.h> #endif -#ifdef CONFIG_X86_64 -extern int is_vsmp_box(void); -#else -static inline int is_vsmp_box(void) -{ - return 0; -} -#endif extern int setup_profiling_timer(unsigned int); static inline void native_apic_mem_write(u32 reg, u32 v) @@ -300,7 +292,6 @@ struct apic { int dest_logical; unsigned long (*check_apicid_used)(physid_mask_t *map, int apicid); - unsigned long (*check_apicid_present)(int apicid); void (*vector_allocation_domain)(int cpu, struct cpumask *retmask, const struct cpumask *mask); @@ -309,21 +300,11 @@ struct apic { void (*ioapic_phys_id_map)(physid_mask_t *phys_map, physid_mask_t *retmap); void (*setup_apic_routing)(void); - int (*multi_timer_check)(int apic, int irq); int (*cpu_present_to_apicid)(int mps_cpu); void (*apicid_to_cpu_present)(int phys_apicid, physid_mask_t *retmap); - void (*setup_portio_remap)(void); int (*check_phys_apicid_present)(int phys_apicid); - void (*enable_apic_mode)(void); int (*phys_pkg_id)(int cpuid_apic, int index_msb); - /* - * When one of the next two hooks returns 1 the apic - * is switched to this. Essentially they are additional - * probe functions: - */ - int (*mps_oem_check)(struct mpc_table *mpc, char *oem, char *productid); - unsigned int (*get_apic_id)(unsigned long x); unsigned long (*set_apic_id)(unsigned int id); unsigned long apic_id_mask; @@ -343,11 +324,7 @@ struct apic { /* wakeup_secondary_cpu */ int (*wakeup_secondary_cpu)(int apicid, unsigned long start_eip); - int trampoline_phys_low; - int trampoline_phys_high; - bool wait_for_init_deassert; - void (*smp_callin_clear_local_apic)(void); void (*inquire_remote_apic)(int apicid); /* apic ops */ @@ -378,14 +355,6 @@ struct apic { * won't be applied properly during early boot in this case. */ int (*x86_32_early_logical_apicid)(int cpu); - - /* - * Optional method called from setup_local_APIC() after logical - * apicid is guaranteed to be known to initialize apicid -> node - * mapping if NUMA initialization hasn't done so already. Don't - * add new users. - */ - int (*x86_32_numa_cpu_node)(int cpu); #endif }; @@ -496,14 +465,12 @@ static inline unsigned default_get_apic_id(unsigned long x) } /* - * Warm reset vector default position: + * Warm reset vector position: */ -#define DEFAULT_TRAMPOLINE_PHYS_LOW 0x467 -#define DEFAULT_TRAMPOLINE_PHYS_HIGH 0x469 +#define TRAMPOLINE_PHYS_LOW 0x467 +#define TRAMPOLINE_PHYS_HIGH 0x469 #ifdef CONFIG_X86_64 -extern int default_acpi_madt_oem_check(char *, char *); - extern void apic_send_IPI_self(int vector); DECLARE_PER_CPU(int, x2apic_extra_bits); @@ -552,6 +519,8 @@ static inline int default_apic_id_valid(int apicid) return (apicid < 255); } +extern int default_acpi_madt_oem_check(char *, char *); + extern void default_setup_apic_routing(void); extern struct apic apic_noop; @@ -635,11 +604,6 @@ static inline unsigned long default_check_apicid_used(physid_mask_t *map, int ap return physid_isset(apicid, *map); } -static inline unsigned long default_check_apicid_present(int bit) -{ - return physid_isset(bit, phys_cpu_present_map); -} - static inline void default_ioapic_phys_id_map(physid_mask_t *phys_map, physid_mask_t *retmap) { *retmap = *phys_map; diff --git a/arch/x86/include/asm/fpu-internal.h b/arch/x86/include/asm/fpu-internal.h index e3b85422cf12..412ececa00b9 100644 --- a/arch/x86/include/asm/fpu-internal.h +++ b/arch/x86/include/asm/fpu-internal.h @@ -508,9 +508,12 @@ static inline void user_fpu_begin(void) static inline void __save_fpu(struct task_struct *tsk) { - if (use_xsave()) - xsave_state(&tsk->thread.fpu.state->xsave, -1); - else + if (use_xsave()) { + if (unlikely(system_state == SYSTEM_BOOTING)) + xsave_state_booting(&tsk->thread.fpu.state->xsave, -1); + else + xsave_state(&tsk->thread.fpu.state->xsave, -1); + } else fpu_fxsave(&tsk->thread.fpu); } diff --git a/arch/x86/include/asm/hardirq.h b/arch/x86/include/asm/hardirq.h index 230853da4ec0..0f5fb6b6567e 100644 --- a/arch/x86/include/asm/hardirq.h +++ b/arch/x86/include/asm/hardirq.h @@ -40,9 +40,6 @@ typedef struct { DECLARE_PER_CPU_SHARED_ALIGNED(irq_cpustat_t, irq_stat); -/* We can have at most NR_VECTORS irqs routed to a cpu at a time */ -#define MAX_HARDIRQS_PER_CPU NR_VECTORS - #define __ARCH_IRQ_STAT #define inc_irq_stat(member) this_cpu_inc(irq_stat.member) diff --git a/arch/x86/include/asm/i8259.h b/arch/x86/include/asm/i8259.h index a20365953bf8..ccffa53750a8 100644 --- a/arch/x86/include/asm/i8259.h +++ b/arch/x86/include/asm/i8259.h @@ -67,4 +67,9 @@ struct legacy_pic { extern struct legacy_pic *legacy_pic; extern struct legacy_pic null_legacy_pic; +static inline int nr_legacy_irqs(void) +{ + return legacy_pic->nr_legacy_irqs; +} + #endif /* _ASM_X86_I8259_H */ diff --git a/arch/x86/include/asm/io_apic.h b/arch/x86/include/asm/io_apic.h index 90f97b4b9347..0aeed5ca356e 100644 --- a/arch/x86/include/asm/io_apic.h +++ b/arch/x86/include/asm/io_apic.h @@ -98,6 +98,8 @@ struct IR_IO_APIC_route_entry { #define IOAPIC_AUTO -1 #define IOAPIC_EDGE 0 #define IOAPIC_LEVEL 1 +#define IOAPIC_MAP_ALLOC 0x1 +#define IOAPIC_MAP_CHECK 0x2 #ifdef CONFIG_X86_IO_APIC @@ -118,9 +120,6 @@ extern int mp_irq_entries; /* MP IRQ source entries */ extern struct mpc_intsrc mp_irqs[MAX_IRQ_SOURCES]; -/* non-0 if default (table-less) MP configuration */ -extern int mpc_default_type; - /* Older SiS APIC requires we rewrite the index register */ extern int sis_apic_bug; @@ -133,9 +132,6 @@ extern int noioapicquirk; /* -1 if "noapic" boot option passed */ extern int noioapicreroute; -/* 1 if the timer IRQ uses the '8259A Virtual Wire' mode */ -extern int timer_through_8259; - /* * If we use the IO-APIC for IRQ routing, disable automatic * assignment of PCI IRQ's. @@ -145,24 +141,17 @@ extern int timer_through_8259; struct io_apic_irq_attr; struct irq_cfg; -extern int io_apic_set_pci_routing(struct device *dev, int irq, - struct io_apic_irq_attr *irq_attr); -void setup_IO_APIC_irq_extra(u32 gsi); extern void ioapic_insert_resources(void); extern int native_setup_ioapic_entry(int, struct IO_APIC_route_entry *, unsigned int, int, struct io_apic_irq_attr *); -extern int native_setup_ioapic_entry(int, struct IO_APIC_route_entry *, - unsigned int, int, - struct io_apic_irq_attr *); extern void eoi_ioapic_irq(unsigned int irq, struct irq_cfg *cfg); extern void native_compose_msi_msg(struct pci_dev *pdev, unsigned int irq, unsigned int dest, struct msi_msg *msg, u8 hpet_id); extern void native_eoi_ioapic_pin(int apic, int pin, int vector); -int io_apic_setup_irq_pin_once(unsigned int irq, int node, struct io_apic_irq_attr *attr); extern int save_ioapic_entries(void); extern void mask_ioapic_entries(void); @@ -171,15 +160,40 @@ extern int restore_ioapic_entries(void); extern void setup_ioapic_ids_from_mpc(void); extern void setup_ioapic_ids_from_mpc_nocheck(void); +enum ioapic_domain_type { + IOAPIC_DOMAIN_INVALID, + IOAPIC_DOMAIN_LEGACY, + IOAPIC_DOMAIN_STRICT, + IOAPIC_DOMAIN_DYNAMIC, +}; + +struct device_node; +struct irq_domain; +struct irq_domain_ops; + +struct ioapic_domain_cfg { + enum ioapic_domain_type type; + const struct irq_domain_ops *ops; + struct device_node *dev; +}; + struct mp_ioapic_gsi{ u32 gsi_base; u32 gsi_end; }; -extern struct mp_ioapic_gsi mp_gsi_routing[]; extern u32 gsi_top; -int mp_find_ioapic(u32 gsi); -int mp_find_ioapic_pin(int ioapic, u32 gsi); -void __init mp_register_ioapic(int id, u32 address, u32 gsi_base); + +extern int mp_find_ioapic(u32 gsi); +extern int mp_find_ioapic_pin(int ioapic, u32 gsi); +extern u32 mp_pin_to_gsi(int ioapic, int pin); +extern int mp_map_gsi_to_irq(u32 gsi, unsigned int flags); +extern void mp_unmap_irq(int irq); +extern void __init mp_register_ioapic(int id, u32 address, u32 gsi_base, + struct ioapic_domain_cfg *cfg); +extern int mp_irqdomain_map(struct irq_domain *domain, unsigned int virq, + irq_hw_number_t hwirq); +extern void mp_irqdomain_unmap(struct irq_domain *domain, unsigned int virq); +extern int mp_set_gsi_attr(u32 gsi, int trigger, int polarity, int node); extern void __init pre_init_apic_IRQ0(void); extern void mp_save_irq(struct mpc_intsrc *m); @@ -217,14 +231,12 @@ extern void io_apic_eoi(unsigned int apic, unsigned int vector); #define io_apic_assign_pci_irqs 0 #define setup_ioapic_ids_from_mpc x86_init_noop -static const int timer_through_8259 = 0; static inline void ioapic_insert_resources(void) { } #define gsi_top (NR_IRQS_LEGACY) static inline int mp_find_ioapic(u32 gsi) { return 0; } - -struct io_apic_irq_attr; -static inline int io_apic_set_pci_routing(struct device *dev, int irq, - struct io_apic_irq_attr *irq_attr) { return 0; } +static inline u32 mp_pin_to_gsi(int ioapic, int pin) { return UINT_MAX; } +static inline int mp_map_gsi_to_irq(u32 gsi, unsigned int flags) { return gsi; } +static inline void mp_unmap_irq(int irq) { } static inline int save_ioapic_entries(void) { diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h index 572460175ba5..7c492ed9087b 100644 --- a/arch/x86/include/asm/kvm_host.h +++ b/arch/x86/include/asm/kvm_host.h @@ -95,7 +95,7 @@ static inline gfn_t gfn_to_index(gfn_t gfn, gfn_t base_gfn, int level) #define KVM_REFILL_PAGES 25 #define KVM_MAX_CPUID_ENTRIES 80 #define KVM_NR_FIXED_MTRR_REGION 88 -#define KVM_NR_VAR_MTRR 10 +#define KVM_NR_VAR_MTRR 8 #define ASYNC_PF_PER_VCPU 64 diff --git a/arch/x86/include/asm/mpspec.h b/arch/x86/include/asm/mpspec.h index f5a617956735..b07233b64578 100644 --- a/arch/x86/include/asm/mpspec.h +++ b/arch/x86/include/asm/mpspec.h @@ -40,8 +40,6 @@ extern int mp_bus_id_to_type[MAX_MP_BUSSES]; extern DECLARE_BITMAP(mp_bus_not_pci, MAX_MP_BUSSES); extern unsigned int boot_cpu_physical_apicid; -extern unsigned int max_physical_apicid; -extern int mpc_default_type; extern unsigned long mp_lapic_addr; #ifdef CONFIG_X86_LOCAL_APIC @@ -88,15 +86,6 @@ static inline void early_reserve_e820_mpc_new(void) { } #endif int generic_processor_info(int apicid, int version); -#ifdef CONFIG_ACPI -extern void mp_register_ioapic(int id, u32 address, u32 gsi_base); -extern void mp_override_legacy_irq(u8 bus_irq, u8 polarity, u8 trigger, - u32 gsi); -extern void mp_config_acpi_legacy_irqs(void); -struct device; -extern int mp_register_gsi(struct device *dev, u32 gsi, int edge_level, - int active_high_low); -#endif /* CONFIG_ACPI */ #define PHYSID_ARRAY_SIZE BITS_TO_LONGS(MAX_LOCAL_APIC) @@ -161,8 +150,4 @@ static inline void physid_set_mask_of_physid(int physid, physid_mask_t *map) extern physid_mask_t phys_cpu_present_map; -extern int generic_mps_oem_check(struct mpc_table *, char *, char *); - -extern int default_acpi_madt_oem_check(char *, char *); - #endif /* _ASM_X86_MPSPEC_H */ diff --git a/arch/x86/include/asm/processor.h b/arch/x86/include/asm/processor.h index ee30b9f0b91c..eb71ec794732 100644 --- a/arch/x86/include/asm/processor.h +++ b/arch/x86/include/asm/processor.h @@ -385,8 +385,8 @@ struct bndcsr_struct { struct xsave_hdr_struct { u64 xstate_bv; - u64 reserved1[2]; - u64 reserved2[5]; + u64 xcomp_bv; + u64 reserved[6]; } __attribute__((packed)); struct xsave_struct { diff --git a/arch/x86/include/asm/prom.h b/arch/x86/include/asm/prom.h index fbeb06ed0eaa..1d081ac1cd69 100644 --- a/arch/x86/include/asm/prom.h +++ b/arch/x86/include/asm/prom.h @@ -26,12 +26,10 @@ extern int of_ioapic; extern u64 initial_dtb; extern void add_dtb(u64 data); -extern void x86_add_irq_domains(void); void x86_of_pci_init(void); void x86_dtb_init(void); #else static inline void add_dtb(u64 data) { } -static inline void x86_add_irq_domains(void) { } static inline void x86_of_pci_init(void) { } static inline void x86_dtb_init(void) { } #define of_ioapic 0 diff --git a/arch/x86/include/asm/smpboot_hooks.h b/arch/x86/include/asm/smpboot_hooks.h index 49adfd7bb4a4..0da7409f0bec 100644 --- a/arch/x86/include/asm/smpboot_hooks.h +++ b/arch/x86/include/asm/smpboot_hooks.h @@ -17,11 +17,11 @@ static inline void smpboot_setup_warm_reset_vector(unsigned long start_eip) spin_unlock_irqrestore(&rtc_lock, flags); local_flush_tlb(); pr_debug("1.\n"); - *((volatile unsigned short *)phys_to_virt(apic->trampoline_phys_high)) = - start_eip >> 4; + *((volatile unsigned short *)phys_to_virt(TRAMPOLINE_PHYS_HIGH)) = + start_eip >> 4; pr_debug("2.\n"); - *((volatile unsigned short *)phys_to_virt(apic->trampoline_phys_low)) = - start_eip & 0xf; + *((volatile unsigned short *)phys_to_virt(TRAMPOLINE_PHYS_LOW)) = + start_eip & 0xf; pr_debug("3.\n"); } @@ -42,7 +42,7 @@ static inline void smpboot_restore_warm_reset_vector(void) CMOS_WRITE(0, 0xf); spin_unlock_irqrestore(&rtc_lock, flags); - *((volatile u32 *)phys_to_virt(apic->trampoline_phys_low)) = 0; + *((volatile u32 *)phys_to_virt(TRAMPOLINE_PHYS_LOW)) = 0; } static inline void __init smpboot_setup_io_apic(void) diff --git a/arch/x86/include/asm/xsave.h b/arch/x86/include/asm/xsave.h index d949ef28c48b..7e7a79ada658 100644 --- a/arch/x86/include/asm/xsave.h +++ b/arch/x86/include/asm/xsave.h @@ -52,24 +52,170 @@ extern void xsave_init(void); extern void update_regset_xstate_info(unsigned int size, u64 xstate_mask); extern int init_fpu(struct task_struct *child); -static inline int fpu_xrstor_checking(struct xsave_struct *fx) +/* These macros all use (%edi)/(%rdi) as the single memory argument. */ +#define XSAVE ".byte " REX_PREFIX "0x0f,0xae,0x27" +#define XSAVEOPT ".byte " REX_PREFIX "0x0f,0xae,0x37" +#define XSAVES ".byte " REX_PREFIX "0x0f,0xc7,0x2f" +#define XRSTOR ".byte " REX_PREFIX "0x0f,0xae,0x2f" +#define XRSTORS ".byte " REX_PREFIX "0x0f,0xc7,0x1f" + +#define xstate_fault ".section .fixup,\"ax\"\n" \ + "3: movl $-1,%[err]\n" \ + " jmp 2b\n" \ + ".previous\n" \ + _ASM_EXTABLE(1b, 3b) \ + : [err] "=r" (err) + +/* + * This function is called only during boot time when x86 caps are not set + * up and alternative can not be used yet. + */ +static inline int xsave_state_booting(struct xsave_struct *fx, u64 mask) { - int err; + u32 lmask = mask; + u32 hmask = mask >> 32; + int err = 0; + + WARN_ON(system_state != SYSTEM_BOOTING); + + if (boot_cpu_has(X86_FEATURE_XSAVES)) + asm volatile("1:"XSAVES"\n\t" + "2:\n\t" + : : "D" (fx), "m" (*fx), "a" (lmask), "d" (hmask) + : "memory"); + else + asm volatile("1:"XSAVE"\n\t" + "2:\n\t" + : : "D" (fx), "m" (*fx), "a" (lmask), "d" (hmask) + : "memory"); + + asm volatile(xstate_fault + : "0" (0) + : "memory"); + + return err; +} + +/* + * This function is called only during boot time when x86 caps are not set + * up and alternative can not be used yet. + */ +static inline int xrstor_state_booting(struct xsave_struct *fx, u64 mask) +{ + u32 lmask = mask; + u32 hmask = mask >> 32; + int err = 0; + + WARN_ON(system_state != SYSTEM_BOOTING); - asm volatile("1: .byte " REX_PREFIX "0x0f,0xae,0x2f\n\t" - "2:\n" - ".section .fixup,\"ax\"\n" - "3: movl $-1,%[err]\n" - " jmp 2b\n" - ".previous\n" - _ASM_EXTABLE(1b, 3b) - : [err] "=r" (err) - : "D" (fx), "m" (*fx), "a" (-1), "d" (-1), "0" (0) + if (boot_cpu_has(X86_FEATURE_XSAVES)) + asm volatile("1:"XRSTORS"\n\t" + "2:\n\t" + : : "D" (fx), "m" (*fx), "a" (lmask), "d" (hmask) + : "memory"); + else + asm volatile("1:"XRSTOR"\n\t" + "2:\n\t" + : : "D" (fx), "m" (*fx), "a" (lmask), "d" (hmask) + : "memory"); + + asm volatile(xstate_fault + : "0" (0) + : "memory"); + + return err; +} + +/* + * Save processor xstate to xsave area. + */ +static inline int xsave_state(struct xsave_struct *fx, u64 mask) +{ + u32 lmask = mask; + u32 hmask = mask >> 32; + int err = 0; + + /* + * If xsaves is enabled, xsaves replaces xsaveopt because + * it supports compact format and supervisor states in addition to + * modified optimization in xsaveopt. + * + * Otherwise, if xsaveopt is enabled, xsaveopt replaces xsave + * because xsaveopt supports modified optimization which is not + * supported by xsave. + * + * If none of xsaves and xsaveopt is enabled, use xsave. + */ + alternative_input_2( + "1:"XSAVE, + "1:"XSAVEOPT, + X86_FEATURE_XSAVEOPT, + "1:"XSAVES, + X86_FEATURE_XSAVES, + [fx] "D" (fx), "a" (lmask), "d" (hmask) : + "memory"); + asm volatile("2:\n\t" + xstate_fault + : "0" (0) : "memory"); return err; } +/* + * Restore processor xstate from xsave area. + */ +static inline int xrstor_state(struct xsave_struct *fx, u64 mask) +{ + int err = 0; + u32 lmask = mask; + u32 hmask = mask >> 32; + + /* + * Use xrstors to restore context if it is enabled. xrstors supports + * compacted format of xsave area which is not supported by xrstor. + */ + alternative_input( + "1: " XRSTOR, + "1: " XRSTORS, + X86_FEATURE_XSAVES, + "D" (fx), "m" (*fx), "a" (lmask), "d" (hmask) + : "memory"); + + asm volatile("2:\n" + xstate_fault + : "0" (0) + : "memory"); + + return err; +} + +/* + * Save xstate context for old process during context switch. + */ +static inline void fpu_xsave(struct fpu *fpu) +{ + xsave_state(&fpu->state->xsave, -1); +} + +/* + * Restore xstate context for new process during context switch. + */ +static inline int fpu_xrstor_checking(struct xsave_struct *fx) +{ + return xrstor_state(fx, -1); +} + +/* + * Save xstate to user space xsave area. + * + * We don't use modified optimization because xrstor/xrstors might track + * a different application. + * + * We don't use compacted format xsave area for + * backward compatibility for old applications which don't understand + * compacted format of xsave area. + */ static inline int xsave_user(struct xsave_struct __user *buf) { int err; @@ -83,69 +229,34 @@ static inline int xsave_user(struct xsave_struct __user *buf) return -EFAULT; __asm__ __volatile__(ASM_STAC "\n" - "1: .byte " REX_PREFIX "0x0f,0xae,0x27\n" + "1:"XSAVE"\n" "2: " ASM_CLAC "\n" - ".section .fixup,\"ax\"\n" - "3: movl $-1,%[err]\n" - " jmp 2b\n" - ".previous\n" - _ASM_EXTABLE(1b,3b) - : [err] "=r" (err) + xstate_fault : "D" (buf), "a" (-1), "d" (-1), "0" (0) : "memory"); return err; } +/* + * Restore xstate from user space xsave area. + */ static inline int xrestore_user(struct xsave_struct __user *buf, u64 mask) { - int err; + int err = 0; struct xsave_struct *xstate = ((__force struct xsave_struct *)buf); u32 lmask = mask; u32 hmask = mask >> 32; __asm__ __volatile__(ASM_STAC "\n" - "1: .byte " REX_PREFIX "0x0f,0xae,0x2f\n" + "1:"XRSTOR"\n" "2: " ASM_CLAC "\n" - ".section .fixup,\"ax\"\n" - "3: movl $-1,%[err]\n" - " jmp 2b\n" - ".previous\n" - _ASM_EXTABLE(1b,3b) - : [err] "=r" (err) + xstate_fault : "D" (xstate), "a" (lmask), "d" (hmask), "0" (0) : "memory"); /* memory required? */ return err; } -static inline void xrstor_state(struct xsave_struct *fx, u64 mask) -{ - u32 lmask = mask; - u32 hmask = mask >> 32; - - asm volatile(".byte " REX_PREFIX "0x0f,0xae,0x2f\n\t" - : : "D" (fx), "m" (*fx), "a" (lmask), "d" (hmask) - : "memory"); -} - -static inline void xsave_state(struct xsave_struct *fx, u64 mask) -{ - u32 lmask = mask; - u32 hmask = mask >> 32; +void *get_xsave_addr(struct xsave_struct *xsave, int xstate); +void setup_xstate_comp(void); - asm volatile(".byte " REX_PREFIX "0x0f,0xae,0x27\n\t" - : : "D" (fx), "m" (*fx), "a" (lmask), "d" (hmask) - : "memory"); -} - -static inline void fpu_xsave(struct fpu *fpu) -{ - /* This, however, we can work around by forcing the compiler to select - an addressing mode that doesn't require extended registers. */ - alternative_input( - ".byte " REX_PREFIX "0x0f,0xae,0x27", - ".byte " REX_PREFIX "0x0f,0xae,0x37", - X86_FEATURE_XSAVEOPT, - [fx] "D" (&fpu->state->xsave), "a" (-1), "d" (-1) : - "memory"); -} #endif diff --git a/arch/x86/include/uapi/asm/msr-index.h b/arch/x86/include/uapi/asm/msr-index.h index eac9e92fe181..e21331ce368f 100644 --- a/arch/x86/include/uapi/asm/msr-index.h +++ b/arch/x86/include/uapi/asm/msr-index.h @@ -149,6 +149,9 @@ #define MSR_CORE_C1_RES 0x00000660 +#define MSR_CC6_DEMOTION_POLICY_CONFIG 0x00000668 +#define MSR_MC6_DEMOTION_POLICY_CONFIG 0x00000669 + #define MSR_AMD64_MC0_MASK 0xc0010044 #define MSR_IA32_MCx_CTL(x) (MSR_IA32_MC0_CTL + 4*(x)) diff --git a/arch/x86/kernel/acpi/boot.c b/arch/x86/kernel/acpi/boot.c index a531f6564ed0..b436fc735aa4 100644 --- a/arch/x86/kernel/acpi/boot.c +++ b/arch/x86/kernel/acpi/boot.c @@ -31,6 +31,7 @@ #include <linux/module.h> #include <linux/dmi.h> #include <linux/irq.h> +#include <linux/irqdomain.h> #include <linux/slab.h> #include <linux/bootmem.h> #include <linux/ioport.h> @@ -43,6 +44,7 @@ #include <asm/io.h> #include <asm/mpspec.h> #include <asm/smp.h> +#include <asm/i8259.h> #include "sleep.h" /* To include x86_acpi_suspend_lowlevel */ static int __initdata acpi_force = 0; @@ -93,44 +95,7 @@ static u32 isa_irq_to_gsi[NR_IRQS_LEGACY] __read_mostly = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 }; -static unsigned int gsi_to_irq(unsigned int gsi) -{ - unsigned int irq = gsi + NR_IRQS_LEGACY; - unsigned int i; - - for (i = 0; i < NR_IRQS_LEGACY; i++) { - if (isa_irq_to_gsi[i] == gsi) { - return i; - } - } - - /* Provide an identity mapping of gsi == irq - * except on truly weird platforms that have - * non isa irqs in the first 16 gsis. - */ - if (gsi >= NR_IRQS_LEGACY) - irq = gsi; - else - irq = gsi_top + gsi; - - return irq; -} - -static u32 irq_to_gsi(int irq) -{ - unsigned int gsi; - - if (irq < NR_IRQS_LEGACY) - gsi = isa_irq_to_gsi[irq]; - else if (irq < gsi_top) - gsi = irq; - else if (irq < (gsi_top + NR_IRQS_LEGACY)) - gsi = irq - gsi_top; - else - gsi = 0xffffffff; - - return gsi; -} +#define ACPI_INVALID_GSI INT_MIN /* * This is just a simple wrapper around early_ioremap(), @@ -341,11 +306,145 @@ acpi_parse_lapic_nmi(struct acpi_subtable_header * header, const unsigned long e #endif /*CONFIG_X86_LOCAL_APIC */ #ifdef CONFIG_X86_IO_APIC +#define MP_ISA_BUS 0 + +static void __init mp_override_legacy_irq(u8 bus_irq, u8 polarity, u8 trigger, + u32 gsi) +{ + int ioapic; + int pin; + struct mpc_intsrc mp_irq; + + /* + * Convert 'gsi' to 'ioapic.pin'. + */ + ioapic = mp_find_ioapic(gsi); + if (ioapic < 0) + return; + pin = mp_find_ioapic_pin(ioapic, gsi); + + /* + * TBD: This check is for faulty timer entries, where the override + * erroneously sets the trigger to level, resulting in a HUGE + * increase of timer interrupts! + */ + if ((bus_irq == 0) && (trigger == 3)) + trigger = 1; + + mp_irq.type = MP_INTSRC; + mp_irq.irqtype = mp_INT; + mp_irq.irqflag = (trigger << 2) | polarity; + mp_irq.srcbus = MP_ISA_BUS; + mp_irq.srcbusirq = bus_irq; /* IRQ */ + mp_irq.dstapic = mpc_ioapic_id(ioapic); /* APIC ID */ + mp_irq.dstirq = pin; /* INTIN# */ + + mp_save_irq(&mp_irq); + + /* + * Reset default identity mapping if gsi is also an legacy IRQ, + * otherwise there will be more than one entry with the same GSI + * and acpi_isa_irq_to_gsi() may give wrong result. + */ + if (gsi < nr_legacy_irqs() && isa_irq_to_gsi[gsi] == gsi) + isa_irq_to_gsi[gsi] = ACPI_INVALID_GSI; + isa_irq_to_gsi[bus_irq] = gsi; +} + +static int mp_config_acpi_gsi(struct device *dev, u32 gsi, int trigger, + int polarity) +{ +#ifdef CONFIG_X86_MPPARSE + struct mpc_intsrc mp_irq; + struct pci_dev *pdev; + unsigned char number; + unsigned int devfn; + int ioapic; + u8 pin; + + if (!acpi_ioapic) + return 0; + if (!dev || !dev_is_pci(dev)) + return 0; + + pdev = to_pci_dev(dev); + number = pdev->bus->number; + devfn = pdev->devfn; + pin = pdev->pin; + /* print the entry should happen on mptable identically */ + mp_irq.type = MP_INTSRC; + mp_irq.irqtype = mp_INT; + mp_irq.irqflag = (trigger == ACPI_EDGE_SENSITIVE ? 4 : 0x0c) | + (polarity == ACPI_ACTIVE_HIGH ? 1 : 3); + mp_irq.srcbus = number; + mp_irq.srcbusirq = (((devfn >> 3) & 0x1f) << 2) | ((pin - 1) & 3); + ioapic = mp_find_ioapic(gsi); + mp_irq.dstapic = mpc_ioapic_id(ioapic); + mp_irq.dstirq = mp_find_ioapic_pin(ioapic, gsi); + + mp_save_irq(&mp_irq); +#endif + return 0; +} + +static int mp_register_gsi(struct device *dev, u32 gsi, int trigger, + int polarity) +{ + int irq, node; + + if (acpi_irq_model != ACPI_IRQ_MODEL_IOAPIC) + return gsi; + + /* Don't set up the ACPI SCI because it's already set up */ + if (acpi_gbl_FADT.sci_interrupt == gsi) + return gsi; + + trigger = trigger == ACPI_EDGE_SENSITIVE ? 0 : 1; + polarity = polarity == ACPI_ACTIVE_HIGH ? 0 : 1; + node = dev ? dev_to_node(dev) : NUMA_NO_NODE; + if (mp_set_gsi_attr(gsi, trigger, polarity, node)) { + pr_warn("Failed to set pin attr for GSI%d\n", gsi); + return -1; + } + + irq = mp_map_gsi_to_irq(gsi, IOAPIC_MAP_ALLOC); + if (irq < 0) + return irq; + + if (enable_update_mptable) + mp_config_acpi_gsi(dev, gsi, trigger, polarity); + + return irq; +} + +static void mp_unregister_gsi(u32 gsi) +{ + int irq; + + if (acpi_irq_model != ACPI_IRQ_MODEL_IOAPIC) + return; + + if (acpi_gbl_FADT.sci_interrupt == gsi) + return; + + irq = mp_map_gsi_to_irq(gsi, 0); + if (irq > 0) + mp_unmap_irq(irq); +} + +static struct irq_domain_ops acpi_irqdomain_ops = { + .map = mp_irqdomain_map, + .unmap = mp_irqdomain_unmap, +}; static int __init acpi_parse_ioapic(struct acpi_subtable_header * header, const unsigned long end) { struct acpi_madt_io_apic *ioapic = NULL; + struct ioapic_domain_cfg cfg = { + .type = IOAPIC_DOMAIN_DYNAMIC, + .ops = &acpi_irqdomain_ops, + }; ioapic = (struct acpi_madt_io_apic *)header; @@ -354,8 +453,12 @@ acpi_parse_ioapic(struct acpi_subtable_header * header, const unsigned long end) acpi_table_print_madt_entry(header); - mp_register_ioapic(ioapic->id, - ioapic->address, ioapic->global_irq_base); + /* Statically assign IRQ numbers for IOAPICs hosting legacy IRQs */ + if (ioapic->global_irq_base < nr_legacy_irqs()) + cfg.type = IOAPIC_DOMAIN_LEGACY; + + mp_register_ioapic(ioapic->id, ioapic->address, ioapic->global_irq_base, + &cfg); return 0; } @@ -378,11 +481,6 @@ static void __init acpi_sci_ioapic_setup(u8 bus_irq, u16 polarity, u16 trigger, if (acpi_sci_flags & ACPI_MADT_POLARITY_MASK) polarity = acpi_sci_flags & ACPI_MADT_POLARITY_MASK; - /* - * mp_config_acpi_legacy_irqs() already setup IRQs < 16 - * If GSI is < 16, this will update its flags, - * else it will create a new mp_irqs[] entry. - */ mp_override_legacy_irq(bus_irq, polarity, trigger, gsi); /* @@ -504,25 +602,28 @@ void __init acpi_pic_sci_set_trigger(unsigned int irq, u16 trigger) outb(new >> 8, 0x4d1); } -int acpi_gsi_to_irq(u32 gsi, unsigned int *irq) +int acpi_gsi_to_irq(u32 gsi, unsigned int *irqp) { - *irq = gsi_to_irq(gsi); + int irq = mp_map_gsi_to_irq(gsi, IOAPIC_MAP_ALLOC | IOAPIC_MAP_CHECK); -#ifdef CONFIG_X86_IO_APIC - if (acpi_irq_model == ACPI_IRQ_MODEL_IOAPIC) - setup_IO_APIC_irq_extra(gsi); -#endif + if (irq >= 0) { + *irqp = irq; + return 0; + } - return 0; + return -1; } EXPORT_SYMBOL_GPL(acpi_gsi_to_irq); int acpi_isa_irq_to_gsi(unsigned isa_irq, u32 *gsi) { - if (isa_irq >= 16) - return -1; - *gsi = irq_to_gsi(isa_irq); - return 0; + if (isa_irq < nr_legacy_irqs() && + isa_irq_to_gsi[isa_irq] != ACPI_INVALID_GSI) { + *gsi = isa_irq_to_gsi[isa_irq]; + return 0; + } + + return -1; } static int acpi_register_gsi_pic(struct device *dev, u32 gsi, @@ -542,15 +643,25 @@ static int acpi_register_gsi_pic(struct device *dev, u32 gsi, static int acpi_register_gsi_ioapic(struct device *dev, u32 gsi, int trigger, int polarity) { + int irq = gsi; + #ifdef CONFIG_X86_IO_APIC - gsi = mp_register_gsi(dev, gsi, trigger, polarity); + irq = mp_register_gsi(dev, gsi, trigger, polarity); #endif - return gsi; + return irq; +} + +static void acpi_unregister_gsi_ioapic(u32 gsi) +{ +#ifdef CONFIG_X86_IO_APIC + mp_unregister_gsi(gsi); +#endif } int (*__acpi_register_gsi)(struct device *dev, u32 gsi, int trigger, int polarity) = acpi_register_gsi_pic; +void (*__acpi_unregister_gsi)(u32 gsi) = NULL; #ifdef CONFIG_ACPI_SLEEP int (*acpi_suspend_lowlevel)(void) = x86_acpi_suspend_lowlevel; @@ -564,32 +675,22 @@ int (*acpi_suspend_lowlevel)(void); */ int acpi_register_gsi(struct device *dev, u32 gsi, int trigger, int polarity) { - unsigned int irq; - unsigned int plat_gsi = gsi; - - plat_gsi = (*__acpi_register_gsi)(dev, gsi, trigger, polarity); - irq = gsi_to_irq(plat_gsi); - - return irq; + return __acpi_register_gsi(dev, gsi, trigger, polarity); } EXPORT_SYMBOL_GPL(acpi_register_gsi); void acpi_unregister_gsi(u32 gsi) { + if (__acpi_unregister_gsi) + __acpi_unregister_gsi(gsi); } EXPORT_SYMBOL_GPL(acpi_unregister_gsi); -void __init acpi_set_irq_model_pic(void) -{ - acpi_irq_model = ACPI_IRQ_MODEL_PIC; - __acpi_register_gsi = acpi_register_gsi_pic; - acpi_ioapic = 0; -} - -void __init acpi_set_irq_model_ioapic(void) +static void __init acpi_set_irq_model_ioapic(void) { acpi_irq_model = ACPI_IRQ_MODEL_IOAPIC; __acpi_register_gsi = acpi_register_gsi_ioapic; + __acpi_unregister_gsi = acpi_unregister_gsi_ioapic; acpi_ioapic = 1; } @@ -825,9 +926,8 @@ static int __init early_acpi_parse_madt_lapic_addr_ovr(void) * and (optionally) overriden by a LAPIC_ADDR_OVR entry (64-bit value). */ - count = - acpi_table_parse_madt(ACPI_MADT_TYPE_LOCAL_APIC_OVERRIDE, - acpi_parse_lapic_addr_ovr, 0); + count = acpi_table_parse_madt(ACPI_MADT_TYPE_LOCAL_APIC_OVERRIDE, + acpi_parse_lapic_addr_ovr, 0); if (count < 0) { printk(KERN_ERR PREFIX "Error parsing LAPIC address override entry\n"); @@ -852,9 +952,8 @@ static int __init acpi_parse_madt_lapic_entries(void) * and (optionally) overriden by a LAPIC_ADDR_OVR entry (64-bit value). */ - count = - acpi_table_parse_madt(ACPI_MADT_TYPE_LOCAL_APIC_OVERRIDE, - acpi_parse_lapic_addr_ovr, 0); + count = acpi_table_parse_madt(ACPI_MADT_TYPE_LOCAL_APIC_OVERRIDE, + acpi_parse_lapic_addr_ovr, 0); if (count < 0) { printk(KERN_ERR PREFIX "Error parsing LAPIC address override entry\n"); @@ -882,11 +981,10 @@ static int __init acpi_parse_madt_lapic_entries(void) return count; } - x2count = - acpi_table_parse_madt(ACPI_MADT_TYPE_LOCAL_X2APIC_NMI, - acpi_parse_x2apic_nmi, 0); - count = - acpi_table_parse_madt(ACPI_MADT_TYPE_LOCAL_APIC_NMI, acpi_parse_lapic_nmi, 0); + x2count = acpi_table_parse_madt(ACPI_MADT_TYPE_LOCAL_X2APIC_NMI, + acpi_parse_x2apic_nmi, 0); + count = acpi_table_parse_madt(ACPI_MADT_TYPE_LOCAL_APIC_NMI, + acpi_parse_lapic_nmi, 0); if (count < 0 || x2count < 0) { printk(KERN_ERR PREFIX "Error parsing LAPIC NMI entry\n"); /* TBD: Cleanup to allow fallback to MPS */ @@ -897,44 +995,7 @@ static int __init acpi_parse_madt_lapic_entries(void) #endif /* CONFIG_X86_LOCAL_APIC */ #ifdef CONFIG_X86_IO_APIC -#define MP_ISA_BUS 0 - -void __init mp_override_legacy_irq(u8 bus_irq, u8 polarity, u8 trigger, u32 gsi) -{ - int ioapic; - int pin; - struct mpc_intsrc mp_irq; - - /* - * Convert 'gsi' to 'ioapic.pin'. - */ - ioapic = mp_find_ioapic(gsi); - if (ioapic < 0) - return; - pin = mp_find_ioapic_pin(ioapic, gsi); - - /* - * TBD: This check is for faulty timer entries, where the override - * erroneously sets the trigger to level, resulting in a HUGE - * increase of timer interrupts! - */ - if ((bus_irq == 0) && (trigger == 3)) - trigger = 1; - - mp_irq.type = MP_INTSRC; - mp_irq.irqtype = mp_INT; - mp_irq.irqflag = (trigger << 2) | polarity; - mp_irq.srcbus = MP_ISA_BUS; - mp_irq.srcbusirq = bus_irq; /* IRQ */ - mp_irq.dstapic = mpc_ioapic_id(ioapic); /* APIC ID */ - mp_irq.dstirq = pin; /* INTIN# */ - - mp_save_irq(&mp_irq); - - isa_irq_to_gsi[bus_irq] = gsi; -} - -void __init mp_config_acpi_legacy_irqs(void) +static void __init mp_config_acpi_legacy_irqs(void) { int i; struct mpc_intsrc mp_irq; @@ -952,7 +1013,7 @@ void __init mp_config_acpi_legacy_irqs(void) * Use the default configuration for the IRQs 0-15. Unless * overridden by (MADT) interrupt source override entries. */ - for (i = 0; i < 16; i++) { + for (i = 0; i < nr_legacy_irqs(); i++) { int ioapic, pin; unsigned int dstapic; int idx; @@ -1000,84 +1061,6 @@ void __init mp_config_acpi_legacy_irqs(void) } } -static int mp_config_acpi_gsi(struct device *dev, u32 gsi, int trigger, - int polarity) -{ -#ifdef CONFIG_X86_MPPARSE - struct mpc_intsrc mp_irq; - struct pci_dev *pdev; - unsigned char number; - unsigned int devfn; - int ioapic; - u8 pin; - - if (!acpi_ioapic) - return 0; - if (!dev || !dev_is_pci(dev)) - return 0; - - pdev = to_pci_dev(dev); - number = pdev->bus->number; - devfn = pdev->devfn; - pin = pdev->pin; - /* print the entry should happen on mptable identically */ - mp_irq.type = MP_INTSRC; - mp_irq.irqtype = mp_INT; - mp_irq.irqflag = (trigger == ACPI_EDGE_SENSITIVE ? 4 : 0x0c) | - (polarity == ACPI_ACTIVE_HIGH ? 1 : 3); - mp_irq.srcbus = number; - mp_irq.srcbusirq = (((devfn >> 3) & 0x1f) << 2) | ((pin - 1) & 3); - ioapic = mp_find_ioapic(gsi); - mp_irq.dstapic = mpc_ioapic_id(ioapic); - mp_irq.dstirq = mp_find_ioapic_pin(ioapic, gsi); - - mp_save_irq(&mp_irq); -#endif - return 0; -} - -int mp_register_gsi(struct device *dev, u32 gsi, int trigger, int polarity) -{ - int ioapic; - int ioapic_pin; - struct io_apic_irq_attr irq_attr; - int ret; - - if (acpi_irq_model != ACPI_IRQ_MODEL_IOAPIC) - return gsi; - - /* Don't set up the ACPI SCI because it's already set up */ - if (acpi_gbl_FADT.sci_interrupt == gsi) - return gsi; - - ioapic = mp_find_ioapic(gsi); - if (ioapic < 0) { - printk(KERN_WARNING "No IOAPIC for GSI %u\n", gsi); - return gsi; - } - - ioapic_pin = mp_find_ioapic_pin(ioapic, gsi); - - if (ioapic_pin > MP_MAX_IOAPIC_PIN) { - printk(KERN_ERR "Invalid reference to IOAPIC pin " - "%d-%d\n", mpc_ioapic_id(ioapic), - ioapic_pin); - return gsi; - } - - if (enable_update_mptable) - mp_config_acpi_gsi(dev, gsi, trigger, polarity); - - set_io_apic_irq_attr(&irq_attr, ioapic, ioapic_pin, - trigger == ACPI_EDGE_SENSITIVE ? 0 : 1, - polarity == ACPI_ACTIVE_HIGH ? 0 : 1); - ret = io_apic_set_pci_routing(dev, gsi_to_irq(gsi), &irq_attr); - if (ret < 0) - gsi = INT_MIN; - - return gsi; -} - /* * Parse IOAPIC related entries in MADT * returns 0 on success, < 0 on error @@ -1107,9 +1090,8 @@ static int __init acpi_parse_madt_ioapic_entries(void) return -ENODEV; } - count = - acpi_table_parse_madt(ACPI_MADT_TYPE_IO_APIC, acpi_parse_ioapic, - MAX_IO_APICS); + count = acpi_table_parse_madt(ACPI_MADT_TYPE_IO_APIC, acpi_parse_ioapic, + MAX_IO_APICS); if (!count) { printk(KERN_ERR PREFIX "No IOAPIC entries present\n"); return -ENODEV; @@ -1118,9 +1100,8 @@ static int __init acpi_parse_madt_ioapic_entries(void) return count; } - count = - acpi_table_parse_madt(ACPI_MADT_TYPE_INTERRUPT_OVERRIDE, acpi_parse_int_src_ovr, - nr_irqs); + count = acpi_table_parse_madt(ACPI_MADT_TYPE_INTERRUPT_OVERRIDE, + acpi_parse_int_src_ovr, nr_irqs); if (count < 0) { printk(KERN_ERR PREFIX "Error parsing interrupt source overrides entry\n"); @@ -1139,9 +1120,8 @@ static int __init acpi_parse_madt_ioapic_entries(void) /* Fill in identity legacy mappings where no override */ mp_config_acpi_legacy_irqs(); - count = - acpi_table_parse_madt(ACPI_MADT_TYPE_NMI_SOURCE, acpi_parse_nmi_src, - nr_irqs); + count = acpi_table_parse_madt(ACPI_MADT_TYPE_NMI_SOURCE, + acpi_parse_nmi_src, nr_irqs); if (count < 0) { printk(KERN_ERR PREFIX "Error parsing NMI SRC entry\n"); /* TBD: Cleanup to allow fallback to MPS */ diff --git a/arch/x86/kernel/apic/apic.c b/arch/x86/kernel/apic/apic.c index ad28db7e6bde..67760275544b 100644 --- a/arch/x86/kernel/apic/apic.c +++ b/arch/x86/kernel/apic/apic.c @@ -67,7 +67,7 @@ EXPORT_SYMBOL_GPL(boot_cpu_physical_apicid); /* * The highest APIC ID seen during enumeration. */ -unsigned int max_physical_apicid; +static unsigned int max_physical_apicid; /* * Bitmask of physically existing CPUs: @@ -1342,17 +1342,6 @@ void setup_local_APIC(void) /* always use the value from LDR */ early_per_cpu(x86_cpu_to_logical_apicid, cpu) = logical_smp_processor_id(); - - /* - * Some NUMA implementations (NUMAQ) don't initialize apicid to - * node mapping during NUMA init. Now that logical apicid is - * guaranteed to be known, give it another chance. This is already - * a bit too late - percpu allocation has already happened without - * proper NUMA affinity. - */ - if (apic->x86_32_numa_cpu_node) - set_apicid_to_node(early_per_cpu(x86_cpu_to_apicid, cpu), - apic->x86_32_numa_cpu_node(cpu)); #endif /* @@ -2053,8 +2042,6 @@ void __init connect_bsp_APIC(void) imcr_pic_to_apic(); } #endif - if (apic->enable_apic_mode) - apic->enable_apic_mode(); } /** @@ -2451,51 +2438,6 @@ static void apic_pm_activate(void) { } #ifdef CONFIG_X86_64 -static int apic_cluster_num(void) -{ - int i, clusters, zeros; - unsigned id; - u16 *bios_cpu_apicid; - DECLARE_BITMAP(clustermap, NUM_APIC_CLUSTERS); - - bios_cpu_apicid = early_per_cpu_ptr(x86_bios_cpu_apicid); - bitmap_zero(clustermap, NUM_APIC_CLUSTERS); - - for (i = 0; i < nr_cpu_ids; i++) { - /* are we being called early in kernel startup? */ - if (bios_cpu_apicid) { - id = bios_cpu_apicid[i]; - } else if (i < nr_cpu_ids) { - if (cpu_present(i)) - id = per_cpu(x86_bios_cpu_apicid, i); - else - continue; - } else - break; - - if (id != BAD_APICID) - __set_bit(APIC_CLUSTERID(id), clustermap); - } - - /* Problem: Partially populated chassis may not have CPUs in some of - * the APIC clusters they have been allocated. Only present CPUs have - * x86_bios_cpu_apicid entries, thus causing zeroes in the bitmap. - * Since clusters are allocated sequentially, count zeros only if - * they are bounded by ones. - */ - clusters = 0; - zeros = 0; - for (i = 0; i < NUM_APIC_CLUSTERS; i++) { - if (test_bit(i, clustermap)) { - clusters += 1 + zeros; - zeros = 0; - } else - ++zeros; - } - - return clusters; -} - static int multi_checked; static int multi; @@ -2540,20 +2482,7 @@ static void dmi_check_multi(void) int apic_is_clustered_box(void) { dmi_check_multi(); - if (multi) - return 1; - - if (!is_vsmp_box()) - return 0; - - /* - * ScaleMP vSMPowered boxes have one cluster per board and TSCs are - * not guaranteed to be synced between boards - */ - if (apic_cluster_num() > 1) - return 1; - - return 0; + return multi; } #endif diff --git a/arch/x86/kernel/apic/apic_flat_64.c b/arch/x86/kernel/apic/apic_flat_64.c index 7c1b29479513..de918c410eae 100644 --- a/arch/x86/kernel/apic/apic_flat_64.c +++ b/arch/x86/kernel/apic/apic_flat_64.c @@ -168,21 +168,16 @@ static struct apic apic_flat = { .disable_esr = 0, .dest_logical = APIC_DEST_LOGICAL, .check_apicid_used = NULL, - .check_apicid_present = NULL, .vector_allocation_domain = flat_vector_allocation_domain, .init_apic_ldr = flat_init_apic_ldr, .ioapic_phys_id_map = NULL, .setup_apic_routing = NULL, - .multi_timer_check = NULL, .cpu_present_to_apicid = default_cpu_present_to_apicid, .apicid_to_cpu_present = NULL, - .setup_portio_remap = NULL, .check_phys_apicid_present = default_check_phys_apicid_present, - .enable_apic_mode = NULL, .phys_pkg_id = flat_phys_pkg_id, - .mps_oem_check = NULL, .get_apic_id = flat_get_apic_id, .set_apic_id = set_apic_id, @@ -196,10 +191,7 @@ static struct apic apic_flat = { .send_IPI_all = flat_send_IPI_all, .send_IPI_self = apic_send_IPI_self, - .trampoline_phys_low = DEFAULT_TRAMPOLINE_PHYS_LOW, - .trampoline_phys_high = DEFAULT_TRAMPOLINE_PHYS_HIGH, .wait_for_init_deassert = false, - .smp_callin_clear_local_apic = NULL, .inquire_remote_apic = default_inquire_remote_apic, .read = native_apic_mem_read, @@ -283,7 +275,6 @@ static struct apic apic_physflat = { .disable_esr = 0, .dest_logical = 0, .check_apicid_used = NULL, - .check_apicid_present = NULL, .vector_allocation_domain = default_vector_allocation_domain, /* not needed, but shouldn't hurt: */ @@ -291,14 +282,10 @@ static struct apic apic_physflat = { .ioapic_phys_id_map = NULL, .setup_apic_routing = NULL, - .multi_timer_check = NULL, .cpu_present_to_apicid = default_cpu_present_to_apicid, .apicid_to_cpu_present = NULL, - .setup_portio_remap = NULL, .check_phys_apicid_present = default_check_phys_apicid_present, - .enable_apic_mode = NULL, .phys_pkg_id = flat_phys_pkg_id, - .mps_oem_check = NULL, .get_apic_id = flat_get_apic_id, .set_apic_id = set_apic_id, @@ -312,10 +299,7 @@ static struct apic apic_physflat = { .send_IPI_all = physflat_send_IPI_all, .send_IPI_self = apic_send_IPI_self, - .trampoline_phys_low = DEFAULT_TRAMPOLINE_PHYS_LOW, - .trampoline_phys_high = DEFAULT_TRAMPOLINE_PHYS_HIGH, .wait_for_init_deassert = false, - .smp_callin_clear_local_apic = NULL, .inquire_remote_apic = default_inquire_remote_apic, .read = native_apic_mem_read, diff --git a/arch/x86/kernel/apic/apic_noop.c b/arch/x86/kernel/apic/apic_noop.c index 8c7c98249c20..b205cdbdbe6a 100644 --- a/arch/x86/kernel/apic/apic_noop.c +++ b/arch/x86/kernel/apic/apic_noop.c @@ -89,16 +89,6 @@ static const struct cpumask *noop_target_cpus(void) return cpumask_of(0); } -static unsigned long noop_check_apicid_used(physid_mask_t *map, int apicid) -{ - return physid_isset(apicid, *map); -} - -static unsigned long noop_check_apicid_present(int bit) -{ - return physid_isset(bit, phys_cpu_present_map); -} - static void noop_vector_allocation_domain(int cpu, struct cpumask *retmask, const struct cpumask *mask) { @@ -133,27 +123,21 @@ struct apic apic_noop = { .target_cpus = noop_target_cpus, .disable_esr = 0, .dest_logical = APIC_DEST_LOGICAL, - .check_apicid_used = noop_check_apicid_used, - .check_apicid_present = noop_check_apicid_present, + .check_apicid_used = default_check_apicid_used, .vector_allocation_domain = noop_vector_allocation_domain, .init_apic_ldr = noop_init_apic_ldr, .ioapic_phys_id_map = default_ioapic_phys_id_map, .setup_apic_routing = NULL, - .multi_timer_check = NULL, .cpu_present_to_apicid = default_cpu_present_to_apicid, .apicid_to_cpu_present = physid_set_mask_of_physid, - .setup_portio_remap = NULL, .check_phys_apicid_present = default_check_phys_apicid_present, - .enable_apic_mode = NULL, .phys_pkg_id = noop_phys_pkg_id, - .mps_oem_check = NULL, - .get_apic_id = noop_get_apic_id, .set_apic_id = NULL, .apic_id_mask = 0x0F << 24, @@ -168,12 +152,7 @@ struct apic apic_noop = { .wakeup_secondary_cpu = noop_wakeup_secondary_cpu, - /* should be safe */ - .trampoline_phys_low = DEFAULT_TRAMPOLINE_PHYS_LOW, - .trampoline_phys_high = DEFAULT_TRAMPOLINE_PHYS_HIGH, - .wait_for_init_deassert = false, - .smp_callin_clear_local_apic = NULL, .inquire_remote_apic = NULL, .read = noop_apic_read, diff --git a/arch/x86/kernel/apic/apic_numachip.c b/arch/x86/kernel/apic/apic_numachip.c index a5b45df8bc88..ae915391ebec 100644 --- a/arch/x86/kernel/apic/apic_numachip.c +++ b/arch/x86/kernel/apic/apic_numachip.c @@ -217,21 +217,16 @@ static const struct apic apic_numachip __refconst = { .disable_esr = 0, .dest_logical = 0, .check_apicid_used = NULL, - .check_apicid_present = NULL, .vector_allocation_domain = default_vector_allocation_domain, .init_apic_ldr = flat_init_apic_ldr, .ioapic_phys_id_map = NULL, .setup_apic_routing = NULL, - .multi_timer_check = NULL, .cpu_present_to_apicid = default_cpu_present_to_apicid, .apicid_to_cpu_present = NULL, - .setup_portio_remap = NULL, .check_phys_apicid_present = default_check_phys_apicid_present, - .enable_apic_mode = NULL, .phys_pkg_id = numachip_phys_pkg_id, - .mps_oem_check = NULL, .get_apic_id = get_apic_id, .set_apic_id = set_apic_id, @@ -246,10 +241,7 @@ static const struct apic apic_numachip __refconst = { .send_IPI_self = numachip_send_IPI_self, .wakeup_secondary_cpu = numachip_wakeup_secondary, - .trampoline_phys_low = DEFAULT_TRAMPOLINE_PHYS_LOW, - .trampoline_phys_high = DEFAULT_TRAMPOLINE_PHYS_HIGH, .wait_for_init_deassert = false, - .smp_callin_clear_local_apic = NULL, .inquire_remote_apic = NULL, /* REMRD not supported */ .read = native_apic_mem_read, diff --git a/arch/x86/kernel/apic/bigsmp_32.c b/arch/x86/kernel/apic/bigsmp_32.c index e4840aa7a255..c4a8d63f8220 100644 --- a/arch/x86/kernel/apic/bigsmp_32.c +++ b/arch/x86/kernel/apic/bigsmp_32.c @@ -31,11 +31,6 @@ static unsigned long bigsmp_check_apicid_used(physid_mask_t *map, int apicid) return 0; } -static unsigned long bigsmp_check_apicid_present(int bit) -{ - return 1; -} - static int bigsmp_early_logical_apicid(int cpu) { /* on bigsmp, logical apicid is the same as physical */ @@ -168,21 +163,16 @@ static struct apic apic_bigsmp = { .disable_esr = 1, .dest_logical = 0, .check_apicid_used = bigsmp_check_apicid_used, - .check_apicid_present = bigsmp_check_apicid_present, .vector_allocation_domain = default_vector_allocation_domain, .init_apic_ldr = bigsmp_init_apic_ldr, .ioapic_phys_id_map = bigsmp_ioapic_phys_id_map, .setup_apic_routing = bigsmp_setup_apic_routing, - .multi_timer_check = NULL, .cpu_present_to_apicid = bigsmp_cpu_present_to_apicid, .apicid_to_cpu_present = physid_set_mask_of_physid, - .setup_portio_remap = NULL, .check_phys_apicid_present = bigsmp_check_phys_apicid_present, - .enable_apic_mode = NULL, .phys_pkg_id = bigsmp_phys_pkg_id, - .mps_oem_check = NULL, .get_apic_id = bigsmp_get_apic_id, .set_apic_id = NULL, @@ -196,11 +186,7 @@ static struct apic apic_bigsmp = { .send_IPI_all = bigsmp_send_IPI_all, .send_IPI_self = default_send_IPI_self, - .trampoline_phys_low = DEFAULT_TRAMPOLINE_PHYS_LOW, - .trampoline_phys_high = DEFAULT_TRAMPOLINE_PHYS_HIGH, - .wait_for_init_deassert = true, - .smp_callin_clear_local_apic = NULL, .inquire_remote_apic = default_inquire_remote_apic, .read = native_apic_mem_read, diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c index 81e08eff05ee..29290f554e79 100644 --- a/arch/x86/kernel/apic/io_apic.c +++ b/arch/x86/kernel/apic/io_apic.c @@ -31,6 +31,7 @@ #include <linux/acpi.h> #include <linux/module.h> #include <linux/syscore_ops.h> +#include <linux/irqdomain.h> #include <linux/msi.h> #include <linux/htirq.h> #include <linux/freezer.h> @@ -62,6 +63,16 @@ #define __apicdebuginit(type) static type __init +#define for_each_ioapic(idx) \ + for ((idx) = 0; (idx) < nr_ioapics; (idx)++) +#define for_each_ioapic_reverse(idx) \ + for ((idx) = nr_ioapics - 1; (idx) >= 0; (idx)--) +#define for_each_pin(idx, pin) \ + for ((pin) = 0; (pin) < ioapics[(idx)].nr_registers; (pin)++) +#define for_each_ioapic_pin(idx, pin) \ + for_each_ioapic((idx)) \ + for_each_pin((idx), (pin)) + #define for_each_irq_pin(entry, head) \ for (entry = head; entry; entry = entry->next) @@ -73,6 +84,17 @@ int sis_apic_bug = -1; static DEFINE_RAW_SPINLOCK(ioapic_lock); static DEFINE_RAW_SPINLOCK(vector_lock); +static DEFINE_MUTEX(ioapic_mutex); +static unsigned int ioapic_dynirq_base; +static int ioapic_initialized; + +struct mp_pin_info { + int trigger; + int polarity; + int node; + int set; + u32 count; +}; static struct ioapic { /* @@ -87,7 +109,9 @@ static struct ioapic { struct mpc_ioapic mp_config; /* IO APIC gsi routing info */ struct mp_ioapic_gsi gsi_config; - DECLARE_BITMAP(pin_programmed, MP_MAX_IOAPIC_PIN + 1); + struct ioapic_domain_cfg irqdomain_cfg; + struct irq_domain *irqdomain; + struct mp_pin_info *pin_info; } ioapics[MAX_IO_APICS]; #define mpc_ioapic_ver(ioapic_idx) ioapics[ioapic_idx].mp_config.apicver @@ -107,6 +131,41 @@ struct mp_ioapic_gsi *mp_ioapic_gsi_routing(int ioapic_idx) return &ioapics[ioapic_idx].gsi_config; } +static inline int mp_ioapic_pin_count(int ioapic) +{ + struct mp_ioapic_gsi *gsi_cfg = mp_ioapic_gsi_routing(ioapic); + + return gsi_cfg->gsi_end - gsi_cfg->gsi_base + 1; +} + +u32 mp_pin_to_gsi(int ioapic, int pin) +{ + return mp_ioapic_gsi_routing(ioapic)->gsi_base + pin; +} + +/* + * Initialize all legacy IRQs and all pins on the first IOAPIC + * if we have legacy interrupt controller. Kernel boot option "pirq=" + * may rely on non-legacy pins on the first IOAPIC. + */ +static inline int mp_init_irq_at_boot(int ioapic, int irq) +{ + if (!nr_legacy_irqs()) + return 0; + + return ioapic == 0 || (irq >= 0 && irq < nr_legacy_irqs()); +} + +static inline struct mp_pin_info *mp_pin_info(int ioapic_idx, int pin) +{ + return ioapics[ioapic_idx].pin_info + pin; +} + +static inline struct irq_domain *mp_ioapic_irqdomain(int ioapic) +{ + return ioapics[ioapic].irqdomain; +} + int nr_ioapics; /* The one past the highest gsi number used */ @@ -118,9 +177,6 @@ struct mpc_intsrc mp_irqs[MAX_IRQ_SOURCES]; /* # of MP IRQ source entries */ int mp_irq_entries; -/* GSI interrupts */ -static int nr_irqs_gsi = NR_IRQS_LEGACY; - #ifdef CONFIG_EISA int mp_bus_id_to_type[MAX_MP_BUSSES]; #endif @@ -149,8 +205,7 @@ static int __init parse_noapic(char *str) } early_param("noapic", parse_noapic); -static int io_apic_setup_irq_pin(unsigned int irq, int node, - struct io_apic_irq_attr *attr); +static struct irq_cfg *alloc_irq_and_cfg_at(unsigned int at, int node); /* Will be called in mpparse/acpi/sfi codes for saving IRQ info */ void mp_save_irq(struct mpc_intsrc *m) @@ -182,19 +237,15 @@ static struct irq_pin_list *alloc_irq_pin_list(int node) return kzalloc_node(sizeof(struct irq_pin_list), GFP_KERNEL, node); } - -/* irq_cfg is indexed by the sum of all RTEs in all I/O APICs. */ -static struct irq_cfg irq_cfgx[NR_IRQS_LEGACY]; - int __init arch_early_irq_init(void) { struct irq_cfg *cfg; - int count, node, i; + int i, node = cpu_to_node(0); - if (!legacy_pic->nr_legacy_irqs) + if (!nr_legacy_irqs()) io_apic_irqs = ~0UL; - for (i = 0; i < nr_ioapics; i++) { + for_each_ioapic(i) { ioapics[i].saved_registers = kzalloc(sizeof(struct IO_APIC_route_entry) * ioapics[i].nr_registers, GFP_KERNEL); @@ -202,28 +253,20 @@ int __init arch_early_irq_init(void) pr_err("IOAPIC %d: suspend/resume impossible!\n", i); } - cfg = irq_cfgx; - count = ARRAY_SIZE(irq_cfgx); - node = cpu_to_node(0); - - for (i = 0; i < count; i++) { - irq_set_chip_data(i, &cfg[i]); - zalloc_cpumask_var_node(&cfg[i].domain, GFP_KERNEL, node); - zalloc_cpumask_var_node(&cfg[i].old_domain, GFP_KERNEL, node); - /* - * For legacy IRQ's, start with assigning irq0 to irq15 to - * IRQ0_VECTOR to IRQ15_VECTOR for all cpu's. - */ - if (i < legacy_pic->nr_legacy_irqs) { - cfg[i].vector = IRQ0_VECTOR + i; - cpumask_setall(cfg[i].domain); - } + /* + * For legacy IRQ's, start with assigning irq0 to irq15 to + * IRQ0_VECTOR to IRQ15_VECTOR for all cpu's. + */ + for (i = 0; i < nr_legacy_irqs(); i++) { + cfg = alloc_irq_and_cfg_at(i, node); + cfg->vector = IRQ0_VECTOR + i; + cpumask_setall(cfg->domain); } return 0; } -static struct irq_cfg *irq_cfg(unsigned int irq) +static inline struct irq_cfg *irq_cfg(unsigned int irq) { return irq_get_chip_data(irq); } @@ -265,7 +308,7 @@ static struct irq_cfg *alloc_irq_and_cfg_at(unsigned int at, int node) if (res < 0) { if (res != -EEXIST) return NULL; - cfg = irq_get_chip_data(at); + cfg = irq_cfg(at); if (cfg) return cfg; } @@ -425,6 +468,21 @@ static int __add_pin_to_irq_node(struct irq_cfg *cfg, int node, int apic, int pi return 0; } +static void __remove_pin_from_irq(struct irq_cfg *cfg, int apic, int pin) +{ + struct irq_pin_list **last, *entry; + + last = &cfg->irq_2_pin; + for_each_irq_pin(entry, cfg->irq_2_pin) + if (entry->apic == apic && entry->pin == pin) { + *last = entry->next; + kfree(entry); + return; + } else { + last = &entry->next; + } +} + static void add_pin_to_irq_node(struct irq_cfg *cfg, int node, int apic, int pin) { if (__add_pin_to_irq_node(cfg, node, apic, pin)) @@ -627,9 +685,8 @@ static void clear_IO_APIC (void) { int apic, pin; - for (apic = 0; apic < nr_ioapics; apic++) - for (pin = 0; pin < ioapics[apic].nr_registers; pin++) - clear_IO_APIC_pin(apic, pin); + for_each_ioapic_pin(apic, pin) + clear_IO_APIC_pin(apic, pin); } #ifdef CONFIG_X86_32 @@ -678,13 +735,13 @@ int save_ioapic_entries(void) int apic, pin; int err = 0; - for (apic = 0; apic < nr_ioapics; apic++) { + for_each_ioapic(apic) { if (!ioapics[apic].saved_registers) { err = -ENOMEM; continue; } - for (pin = 0; pin < ioapics[apic].nr_registers; pin++) + for_each_pin(apic, pin) ioapics[apic].saved_registers[pin] = ioapic_read_entry(apic, pin); } @@ -699,11 +756,11 @@ void mask_ioapic_entries(void) { int apic, pin; - for (apic = 0; apic < nr_ioapics; apic++) { + for_each_ioapic(apic) { if (!ioapics[apic].saved_registers) continue; - for (pin = 0; pin < ioapics[apic].nr_registers; pin++) { + for_each_pin(apic, pin) { struct IO_APIC_route_entry entry; entry = ioapics[apic].saved_registers[pin]; @@ -722,11 +779,11 @@ int restore_ioapic_entries(void) { int apic, pin; - for (apic = 0; apic < nr_ioapics; apic++) { + for_each_ioapic(apic) { if (!ioapics[apic].saved_registers) continue; - for (pin = 0; pin < ioapics[apic].nr_registers; pin++) + for_each_pin(apic, pin) ioapic_write_entry(apic, pin, ioapics[apic].saved_registers[pin]); } @@ -785,7 +842,7 @@ static int __init find_isa_irq_apic(int irq, int type) if (i < mp_irq_entries) { int ioapic_idx; - for (ioapic_idx = 0; ioapic_idx < nr_ioapics; ioapic_idx++) + for_each_ioapic(ioapic_idx) if (mpc_ioapic_id(ioapic_idx) == mp_irqs[i].dstapic) return ioapic_idx; } @@ -799,7 +856,7 @@ static int __init find_isa_irq_apic(int irq, int type) */ static int EISA_ELCR(unsigned int irq) { - if (irq < legacy_pic->nr_legacy_irqs) { + if (irq < nr_legacy_irqs()) { unsigned int port = 0x4d0 + (irq >> 3); return (inb(port) >> (irq & 7)) & 1; } @@ -939,29 +996,101 @@ static int irq_trigger(int idx) return trigger; } -static int pin_2_irq(int idx, int apic, int pin) +static int alloc_irq_from_domain(struct irq_domain *domain, u32 gsi, int pin) +{ + int irq = -1; + int ioapic = (int)(long)domain->host_data; + int type = ioapics[ioapic].irqdomain_cfg.type; + + switch (type) { + case IOAPIC_DOMAIN_LEGACY: + /* + * Dynamically allocate IRQ number for non-ISA IRQs in the first 16 + * GSIs on some weird platforms. + */ + if (gsi < nr_legacy_irqs()) + irq = irq_create_mapping(domain, pin); + else if (irq_create_strict_mappings(domain, gsi, pin, 1) == 0) + irq = gsi; + break; + case IOAPIC_DOMAIN_STRICT: + if (irq_create_strict_mappings(domain, gsi, pin, 1) == 0) + irq = gsi; + break; + case IOAPIC_DOMAIN_DYNAMIC: + irq = irq_create_mapping(domain, pin); + break; + default: + WARN(1, "ioapic: unknown irqdomain type %d\n", type); + break; + } + + return irq > 0 ? irq : -1; +} + +static int mp_map_pin_to_irq(u32 gsi, int idx, int ioapic, int pin, + unsigned int flags) { int irq; - int bus = mp_irqs[idx].srcbus; - struct mp_ioapic_gsi *gsi_cfg = mp_ioapic_gsi_routing(apic); + struct irq_domain *domain = mp_ioapic_irqdomain(ioapic); + struct mp_pin_info *info = mp_pin_info(ioapic, pin); + + if (!domain) + return -1; + + mutex_lock(&ioapic_mutex); /* - * Debugging check, we are in big trouble if this message pops up! + * Don't use irqdomain to manage ISA IRQs because there may be + * multiple IOAPIC pins sharing the same ISA IRQ number and + * irqdomain only supports 1:1 mapping between IOAPIC pin and + * IRQ number. A typical IOAPIC has 24 pins, pin 0-15 are used + * for legacy IRQs and pin 16-23 are used for PCI IRQs (PIRQ A-H). + * When ACPI is disabled, only legacy IRQ numbers (IRQ0-15) are + * available, and some BIOSes may use MP Interrupt Source records + * to override IRQ numbers for PIRQs instead of reprogramming + * the interrupt routing logic. Thus there may be multiple pins + * sharing the same legacy IRQ number when ACPI is disabled. */ - if (mp_irqs[idx].dstirq != pin) - pr_err("broken BIOS or MPTABLE parser, ayiee!!\n"); - - if (test_bit(bus, mp_bus_not_pci)) { + if (idx >= 0 && test_bit(mp_irqs[idx].srcbus, mp_bus_not_pci)) { irq = mp_irqs[idx].srcbusirq; + if (flags & IOAPIC_MAP_ALLOC) { + if (info->count == 0 && + mp_irqdomain_map(domain, irq, pin) != 0) + irq = -1; + + /* special handling for timer IRQ0 */ + if (irq == 0) + info->count++; + } } else { - u32 gsi = gsi_cfg->gsi_base + pin; + irq = irq_find_mapping(domain, pin); + if (irq <= 0 && (flags & IOAPIC_MAP_ALLOC)) + irq = alloc_irq_from_domain(domain, gsi, pin); + } - if (gsi >= NR_IRQS_LEGACY) - irq = gsi; - else - irq = gsi_top + gsi; + if (flags & IOAPIC_MAP_ALLOC) { + if (irq > 0) + info->count++; + else if (info->count == 0) + info->set = 0; } + mutex_unlock(&ioapic_mutex); + + return irq > 0 ? irq : -1; +} + +static int pin_2_irq(int idx, int ioapic, int pin, unsigned int flags) +{ + u32 gsi = mp_pin_to_gsi(ioapic, pin); + + /* + * Debugging check, we are in big trouble if this message pops up! + */ + if (mp_irqs[idx].dstirq != pin) + pr_err("broken BIOS or MPTABLE parser, ayiee!!\n"); + #ifdef CONFIG_X86_32 /* * PCI IRQ command line redirection. Yes, limits are hardcoded. @@ -972,16 +1101,58 @@ static int pin_2_irq(int idx, int apic, int pin) apic_printk(APIC_VERBOSE, KERN_DEBUG "disabling PIRQ%d\n", pin-16); } else { - irq = pirq_entries[pin-16]; + int irq = pirq_entries[pin-16]; apic_printk(APIC_VERBOSE, KERN_DEBUG "using PIRQ%d -> IRQ %d\n", pin-16, irq); + return irq; } } } #endif - return irq; + return mp_map_pin_to_irq(gsi, idx, ioapic, pin, flags); +} + +int mp_map_gsi_to_irq(u32 gsi, unsigned int flags) +{ + int ioapic, pin, idx; + + ioapic = mp_find_ioapic(gsi); + if (ioapic < 0) + return -1; + + pin = mp_find_ioapic_pin(ioapic, gsi); + idx = find_irq_entry(ioapic, pin, mp_INT); + if ((flags & IOAPIC_MAP_CHECK) && idx < 0) + return -1; + + return mp_map_pin_to_irq(gsi, idx, ioapic, pin, flags); +} + +void mp_unmap_irq(int irq) +{ + struct irq_data *data = irq_get_irq_data(irq); + struct mp_pin_info *info; + int ioapic, pin; + + if (!data || !data->domain) + return; + + ioapic = (int)(long)data->domain->host_data; + pin = (int)data->hwirq; + info = mp_pin_info(ioapic, pin); + + mutex_lock(&ioapic_mutex); + if (--info->count == 0) { + info->set = 0; + if (irq < nr_legacy_irqs() && + ioapics[ioapic].irqdomain_cfg.type == IOAPIC_DOMAIN_LEGACY) + mp_irqdomain_unmap(data->domain, irq); + else + irq_dispose_mapping(irq); + } + mutex_unlock(&ioapic_mutex); } /* @@ -991,7 +1162,7 @@ static int pin_2_irq(int idx, int apic, int pin) int IO_APIC_get_PCI_irq_vector(int bus, int slot, int pin, struct io_apic_irq_attr *irq_attr) { - int ioapic_idx, i, best_guess = -1; + int irq, i, best_ioapic = -1, best_idx = -1; apic_printk(APIC_DEBUG, "querying PCI -> IRQ mapping bus:%d, slot:%d, pin:%d.\n", @@ -1001,44 +1172,56 @@ int IO_APIC_get_PCI_irq_vector(int bus, int slot, int pin, "PCI BIOS passed nonexistent PCI bus %d!\n", bus); return -1; } + for (i = 0; i < mp_irq_entries; i++) { int lbus = mp_irqs[i].srcbus; + int ioapic_idx, found = 0; - for (ioapic_idx = 0; ioapic_idx < nr_ioapics; ioapic_idx++) + if (bus != lbus || mp_irqs[i].irqtype != mp_INT || + slot != ((mp_irqs[i].srcbusirq >> 2) & 0x1f)) + continue; + + for_each_ioapic(ioapic_idx) if (mpc_ioapic_id(ioapic_idx) == mp_irqs[i].dstapic || - mp_irqs[i].dstapic == MP_APIC_ALL) + mp_irqs[i].dstapic == MP_APIC_ALL) { + found = 1; break; + } + if (!found) + continue; - if (!test_bit(lbus, mp_bus_not_pci) && - !mp_irqs[i].irqtype && - (bus == lbus) && - (slot == ((mp_irqs[i].srcbusirq >> 2) & 0x1f))) { - int irq = pin_2_irq(i, ioapic_idx, mp_irqs[i].dstirq); + /* Skip ISA IRQs */ + irq = pin_2_irq(i, ioapic_idx, mp_irqs[i].dstirq, 0); + if (irq > 0 && !IO_APIC_IRQ(irq)) + continue; - if (!(ioapic_idx || IO_APIC_IRQ(irq))) - continue; + if (pin == (mp_irqs[i].srcbusirq & 3)) { + best_idx = i; + best_ioapic = ioapic_idx; + goto out; + } - if (pin == (mp_irqs[i].srcbusirq & 3)) { - set_io_apic_irq_attr(irq_attr, ioapic_idx, - mp_irqs[i].dstirq, - irq_trigger(i), - irq_polarity(i)); - return irq; - } - /* - * Use the first all-but-pin matching entry as a - * best-guess fuzzy result for broken mptables. - */ - if (best_guess < 0) { - set_io_apic_irq_attr(irq_attr, ioapic_idx, - mp_irqs[i].dstirq, - irq_trigger(i), - irq_polarity(i)); - best_guess = irq; - } + /* + * Use the first all-but-pin matching entry as a + * best-guess fuzzy result for broken mptables. + */ + if (best_idx < 0) { + best_idx = i; + best_ioapic = ioapic_idx; } } - return best_guess; + if (best_idx < 0) + return -1; + +out: + irq = pin_2_irq(best_idx, best_ioapic, mp_irqs[best_idx].dstirq, + IOAPIC_MAP_ALLOC); + if (irq > 0) + set_io_apic_irq_attr(irq_attr, best_ioapic, + mp_irqs[best_idx].dstirq, + irq_trigger(best_idx), + irq_polarity(best_idx)); + return irq; } EXPORT_SYMBOL(IO_APIC_get_PCI_irq_vector); @@ -1198,7 +1381,7 @@ void __setup_vector_irq(int cpu) raw_spin_lock(&vector_lock); /* Mark the inuse vectors */ for_each_active_irq(irq) { - cfg = irq_get_chip_data(irq); + cfg = irq_cfg(irq); if (!cfg) continue; @@ -1227,12 +1410,10 @@ static inline int IO_APIC_irq_trigger(int irq) { int apic, idx, pin; - for (apic = 0; apic < nr_ioapics; apic++) { - for (pin = 0; pin < ioapics[apic].nr_registers; pin++) { - idx = find_irq_entry(apic, pin, mp_INT); - if ((idx != -1) && (irq == pin_2_irq(idx, apic, pin))) - return irq_trigger(idx); - } + for_each_ioapic_pin(apic, pin) { + idx = find_irq_entry(apic, pin, mp_INT); + if ((idx != -1) && (irq == pin_2_irq(idx, apic, pin, 0))) + return irq_trigger(idx); } /* * nonexistent IRQs are edge default @@ -1330,95 +1511,29 @@ static void setup_ioapic_irq(unsigned int irq, struct irq_cfg *cfg, } ioapic_register_intr(irq, cfg, attr->trigger); - if (irq < legacy_pic->nr_legacy_irqs) + if (irq < nr_legacy_irqs()) legacy_pic->mask(irq); ioapic_write_entry(attr->ioapic, attr->ioapic_pin, entry); } -static bool __init io_apic_pin_not_connected(int idx, int ioapic_idx, int pin) -{ - if (idx != -1) - return false; - - apic_printk(APIC_VERBOSE, KERN_DEBUG " apic %d pin %d not connected\n", - mpc_ioapic_id(ioapic_idx), pin); - return true; -} - -static void __init __io_apic_setup_irqs(unsigned int ioapic_idx) -{ - int idx, node = cpu_to_node(0); - struct io_apic_irq_attr attr; - unsigned int pin, irq; - - for (pin = 0; pin < ioapics[ioapic_idx].nr_registers; pin++) { - idx = find_irq_entry(ioapic_idx, pin, mp_INT); - if (io_apic_pin_not_connected(idx, ioapic_idx, pin)) - continue; - - irq = pin_2_irq(idx, ioapic_idx, pin); - - if ((ioapic_idx > 0) && (irq > 16)) - continue; - - /* - * Skip the timer IRQ if there's a quirk handler - * installed and if it returns 1: - */ - if (apic->multi_timer_check && - apic->multi_timer_check(ioapic_idx, irq)) - continue; - - set_io_apic_irq_attr(&attr, ioapic_idx, pin, irq_trigger(idx), - irq_polarity(idx)); - - io_apic_setup_irq_pin(irq, node, &attr); - } -} - static void __init setup_IO_APIC_irqs(void) { - unsigned int ioapic_idx; + unsigned int ioapic, pin; + int idx; apic_printk(APIC_VERBOSE, KERN_DEBUG "init IO_APIC IRQs\n"); - for (ioapic_idx = 0; ioapic_idx < nr_ioapics; ioapic_idx++) - __io_apic_setup_irqs(ioapic_idx); -} - -/* - * for the gsit that is not in first ioapic - * but could not use acpi_register_gsi() - * like some special sci in IBM x3330 - */ -void setup_IO_APIC_irq_extra(u32 gsi) -{ - int ioapic_idx = 0, pin, idx, irq, node = cpu_to_node(0); - struct io_apic_irq_attr attr; - - /* - * Convert 'gsi' to 'ioapic.pin'. - */ - ioapic_idx = mp_find_ioapic(gsi); - if (ioapic_idx < 0) - return; - - pin = mp_find_ioapic_pin(ioapic_idx, gsi); - idx = find_irq_entry(ioapic_idx, pin, mp_INT); - if (idx == -1) - return; - - irq = pin_2_irq(idx, ioapic_idx, pin); - - /* Only handle the non legacy irqs on secondary ioapics */ - if (ioapic_idx == 0 || irq < NR_IRQS_LEGACY) - return; - - set_io_apic_irq_attr(&attr, ioapic_idx, pin, irq_trigger(idx), - irq_polarity(idx)); - - io_apic_setup_irq_pin_once(irq, node, &attr); + for_each_ioapic_pin(ioapic, pin) { + idx = find_irq_entry(ioapic, pin, mp_INT); + if (idx < 0) + apic_printk(APIC_VERBOSE, + KERN_DEBUG " apic %d pin %d not connected\n", + mpc_ioapic_id(ioapic), pin); + else + pin_2_irq(idx, ioapic, pin, + ioapic ? 0 : IOAPIC_MAP_ALLOC); + } } /* @@ -1586,7 +1701,7 @@ __apicdebuginit(void) print_IO_APICs(void) struct irq_chip *chip; printk(KERN_DEBUG "number of MP IRQ sources: %d.\n", mp_irq_entries); - for (ioapic_idx = 0; ioapic_idx < nr_ioapics; ioapic_idx++) + for_each_ioapic(ioapic_idx) printk(KERN_DEBUG "number of IO-APIC #%d registers: %d.\n", mpc_ioapic_id(ioapic_idx), ioapics[ioapic_idx].nr_registers); @@ -1597,7 +1712,7 @@ __apicdebuginit(void) print_IO_APICs(void) */ printk(KERN_INFO "testing the IO APIC.......................\n"); - for (ioapic_idx = 0; ioapic_idx < nr_ioapics; ioapic_idx++) + for_each_ioapic(ioapic_idx) print_IO_APIC(ioapic_idx); printk(KERN_DEBUG "IRQ to pin mappings:\n"); @@ -1608,7 +1723,7 @@ __apicdebuginit(void) print_IO_APICs(void) if (chip != &ioapic_chip) continue; - cfg = irq_get_chip_data(irq); + cfg = irq_cfg(irq); if (!cfg) continue; entry = cfg->irq_2_pin; @@ -1758,7 +1873,7 @@ __apicdebuginit(void) print_PIC(void) unsigned int v; unsigned long flags; - if (!legacy_pic->nr_legacy_irqs) + if (!nr_legacy_irqs()) return; printk(KERN_DEBUG "\nprinting PIC contents\n"); @@ -1828,26 +1943,22 @@ static struct { int pin, apic; } ioapic_i8259 = { -1, -1 }; void __init enable_IO_APIC(void) { int i8259_apic, i8259_pin; - int apic; + int apic, pin; - if (!legacy_pic->nr_legacy_irqs) + if (!nr_legacy_irqs()) return; - for(apic = 0; apic < nr_ioapics; apic++) { - int pin; + for_each_ioapic_pin(apic, pin) { /* See if any of the pins is in ExtINT mode */ - for (pin = 0; pin < ioapics[apic].nr_registers; pin++) { - struct IO_APIC_route_entry entry; - entry = ioapic_read_entry(apic, pin); + struct IO_APIC_route_entry entry = ioapic_read_entry(apic, pin); - /* If the interrupt line is enabled and in ExtInt mode - * I have found the pin where the i8259 is connected. - */ - if ((entry.mask == 0) && (entry.delivery_mode == dest_ExtINT)) { - ioapic_i8259.apic = apic; - ioapic_i8259.pin = pin; - goto found_i8259; - } + /* If the interrupt line is enabled and in ExtInt mode + * I have found the pin where the i8259 is connected. + */ + if ((entry.mask == 0) && (entry.delivery_mode == dest_ExtINT)) { + ioapic_i8259.apic = apic; + ioapic_i8259.pin = pin; + goto found_i8259; } } found_i8259: @@ -1919,7 +2030,7 @@ void disable_IO_APIC(void) */ clear_IO_APIC(); - if (!legacy_pic->nr_legacy_irqs) + if (!nr_legacy_irqs()) return; x86_io_apic_ops.disable(); @@ -1950,7 +2061,7 @@ void __init setup_ioapic_ids_from_mpc_nocheck(void) /* * Set the IOAPIC ID to the value stored in the MPC table. */ - for (ioapic_idx = 0; ioapic_idx < nr_ioapics; ioapic_idx++) { + for_each_ioapic(ioapic_idx) { /* Read the register 0 value */ raw_spin_lock_irqsave(&ioapic_lock, flags); reg_00.raw = io_apic_read(ioapic_idx, 0); @@ -2123,7 +2234,7 @@ static unsigned int startup_ioapic_irq(struct irq_data *data) unsigned long flags; raw_spin_lock_irqsave(&ioapic_lock, flags); - if (irq < legacy_pic->nr_legacy_irqs) { + if (irq < nr_legacy_irqs()) { legacy_pic->mask(irq); if (legacy_pic->irq_pending(irq)) was_pending = 1; @@ -2225,7 +2336,7 @@ asmlinkage __visible void smp_irq_move_cleanup_interrupt(void) apic->send_IPI_self(IRQ_MOVE_CLEANUP_VECTOR); goto unlock; } - __this_cpu_write(vector_irq[vector], -1); + __this_cpu_write(vector_irq[vector], VECTOR_UNDEFINED); unlock: raw_spin_unlock(&desc->lock); } @@ -2253,7 +2364,7 @@ static void irq_complete_move(struct irq_cfg *cfg) void irq_force_complete_move(int irq) { - struct irq_cfg *cfg = irq_get_chip_data(irq); + struct irq_cfg *cfg = irq_cfg(irq); if (!cfg) return; @@ -2514,26 +2625,15 @@ static inline void init_IO_APIC_traps(void) struct irq_cfg *cfg; unsigned int irq; - /* - * NOTE! The local APIC isn't very good at handling - * multiple interrupts at the same interrupt level. - * As the interrupt level is determined by taking the - * vector number and shifting that right by 4, we - * want to spread these out a bit so that they don't - * all fall in the same interrupt level. - * - * Also, we've got to be careful not to trash gate - * 0x80, because int 0x80 is hm, kind of importantish. ;) - */ for_each_active_irq(irq) { - cfg = irq_get_chip_data(irq); + cfg = irq_cfg(irq); if (IO_APIC_IRQ(irq) && cfg && !cfg->vector) { /* * Hmm.. We don't have an entry for this, * so default to an old-fashioned 8259 * interrupt if we can.. */ - if (irq < legacy_pic->nr_legacy_irqs) + if (irq < nr_legacy_irqs()) legacy_pic->make_irq(irq); else /* Strange. Oh, well.. */ @@ -2649,8 +2749,6 @@ static int __init disable_timer_pin_setup(char *arg) } early_param("disable_timer_pin_1", disable_timer_pin_setup); -int timer_through_8259 __initdata; - /* * This code may look a bit paranoid, but it's supposed to cooperate with * a wide range of boards and BIOS bugs. Fortunately only the timer IRQ @@ -2661,7 +2759,7 @@ int timer_through_8259 __initdata; */ static inline void __init check_timer(void) { - struct irq_cfg *cfg = irq_get_chip_data(0); + struct irq_cfg *cfg = irq_cfg(0); int node = cpu_to_node(0); int apic1, pin1, apic2, pin2; unsigned long flags; @@ -2755,7 +2853,6 @@ static inline void __init check_timer(void) legacy_pic->unmask(0); if (timer_irq_works()) { apic_printk(APIC_QUIET, KERN_INFO "....... works.\n"); - timer_through_8259 = 1; goto out; } /* @@ -2827,15 +2924,54 @@ out: */ #define PIC_IRQS (1UL << PIC_CASCADE_IR) +static int mp_irqdomain_create(int ioapic) +{ + size_t size; + int hwirqs = mp_ioapic_pin_count(ioapic); + struct ioapic *ip = &ioapics[ioapic]; + struct ioapic_domain_cfg *cfg = &ip->irqdomain_cfg; + struct mp_ioapic_gsi *gsi_cfg = mp_ioapic_gsi_routing(ioapic); + + size = sizeof(struct mp_pin_info) * mp_ioapic_pin_count(ioapic); + ip->pin_info = kzalloc(size, GFP_KERNEL); + if (!ip->pin_info) + return -ENOMEM; + + if (cfg->type == IOAPIC_DOMAIN_INVALID) + return 0; + + ip->irqdomain = irq_domain_add_linear(cfg->dev, hwirqs, cfg->ops, + (void *)(long)ioapic); + if(!ip->irqdomain) { + kfree(ip->pin_info); + ip->pin_info = NULL; + return -ENOMEM; + } + + if (cfg->type == IOAPIC_DOMAIN_LEGACY || + cfg->type == IOAPIC_DOMAIN_STRICT) + ioapic_dynirq_base = max(ioapic_dynirq_base, + gsi_cfg->gsi_end + 1); + + if (gsi_cfg->gsi_base == 0) + irq_set_default_host(ip->irqdomain); + + return 0; +} + void __init setup_IO_APIC(void) { + int ioapic; /* * calling enable_IO_APIC() is moved to setup_local_APIC for BP */ - io_apic_irqs = legacy_pic->nr_legacy_irqs ? ~PIC_IRQS : ~0UL; + io_apic_irqs = nr_legacy_irqs() ? ~PIC_IRQS : ~0UL; apic_printk(APIC_VERBOSE, "ENABLING IO-APIC IRQs\n"); + for_each_ioapic(ioapic) + BUG_ON(mp_irqdomain_create(ioapic)); + /* * Set up IO-APIC IRQ routing. */ @@ -2844,8 +2980,10 @@ void __init setup_IO_APIC(void) sync_Arb_IDs(); setup_IO_APIC_irqs(); init_IO_APIC_traps(); - if (legacy_pic->nr_legacy_irqs) + if (nr_legacy_irqs()) check_timer(); + + ioapic_initialized = 1; } /* @@ -2880,7 +3018,7 @@ static void ioapic_resume(void) { int ioapic_idx; - for (ioapic_idx = nr_ioapics - 1; ioapic_idx >= 0; ioapic_idx--) + for_each_ioapic_reverse(ioapic_idx) resume_ioapic_id(ioapic_idx); restore_ioapic_entries(); @@ -2926,7 +3064,7 @@ int arch_setup_hwirq(unsigned int irq, int node) void arch_teardown_hwirq(unsigned int irq) { - struct irq_cfg *cfg = irq_get_chip_data(irq); + struct irq_cfg *cfg = irq_cfg(irq); unsigned long flags; free_remapped_irq(irq); @@ -3053,7 +3191,7 @@ int setup_msi_irq(struct pci_dev *dev, struct msi_desc *msidesc, if (!irq_offset) write_msi_msg(irq, &msg); - setup_remapped_irq(irq, irq_get_chip_data(irq), chip); + setup_remapped_irq(irq, irq_cfg(irq), chip); irq_set_chip_and_handler_name(irq, chip, handle_edge_irq, "edge"); @@ -3192,7 +3330,7 @@ int default_setup_hpet_msi(unsigned int irq, unsigned int id) hpet_msi_write(irq_get_handler_data(irq), &msg); irq_set_status_flags(irq, IRQ_MOVE_PCNTXT); - setup_remapped_irq(irq, irq_get_chip_data(irq), chip); + setup_remapped_irq(irq, irq_cfg(irq), chip); irq_set_chip_and_handler_name(irq, chip, handle_edge_irq, "edge"); return 0; @@ -3303,27 +3441,6 @@ io_apic_setup_irq_pin(unsigned int irq, int node, struct io_apic_irq_attr *attr) return ret; } -int io_apic_setup_irq_pin_once(unsigned int irq, int node, - struct io_apic_irq_attr *attr) -{ - unsigned int ioapic_idx = attr->ioapic, pin = attr->ioapic_pin; - int ret; - struct IO_APIC_route_entry orig_entry; - - /* Avoid redundant programming */ - if (test_bit(pin, ioapics[ioapic_idx].pin_programmed)) { - pr_debug("Pin %d-%d already programmed\n", mpc_ioapic_id(ioapic_idx), pin); - orig_entry = ioapic_read_entry(attr->ioapic, pin); - if (attr->trigger == orig_entry.trigger && attr->polarity == orig_entry.polarity) - return 0; - return -EBUSY; - } - ret = io_apic_setup_irq_pin(irq, node, attr); - if (!ret) - set_bit(pin, ioapics[ioapic_idx].pin_programmed); - return ret; -} - static int __init io_apic_get_redir_entries(int ioapic) { union IO_APIC_reg_01 reg_01; @@ -3340,20 +3457,13 @@ static int __init io_apic_get_redir_entries(int ioapic) return reg_01.bits.entries + 1; } -static void __init probe_nr_irqs_gsi(void) -{ - int nr; - - nr = gsi_top + NR_IRQS_LEGACY; - if (nr > nr_irqs_gsi) - nr_irqs_gsi = nr; - - printk(KERN_DEBUG "nr_irqs_gsi: %d\n", nr_irqs_gsi); -} - unsigned int arch_dynirq_lower_bound(unsigned int from) { - return from < nr_irqs_gsi ? nr_irqs_gsi : from; + /* + * dmar_alloc_hwirq() may be called before setup_IO_APIC(), so use + * gsi_top if ioapic_dynirq_base hasn't been initialized yet. + */ + return ioapic_initialized ? ioapic_dynirq_base : gsi_top; } int __init arch_probe_nr_irqs(void) @@ -3363,33 +3473,17 @@ int __init arch_probe_nr_irqs(void) if (nr_irqs > (NR_VECTORS * nr_cpu_ids)) nr_irqs = NR_VECTORS * nr_cpu_ids; - nr = nr_irqs_gsi + 8 * nr_cpu_ids; + nr = (gsi_top + nr_legacy_irqs()) + 8 * nr_cpu_ids; #if defined(CONFIG_PCI_MSI) || defined(CONFIG_HT_IRQ) /* * for MSI and HT dyn irq */ - nr += nr_irqs_gsi * 16; + nr += gsi_top * 16; #endif if (nr < nr_irqs) nr_irqs = nr; - return NR_IRQS_LEGACY; -} - -int io_apic_set_pci_routing(struct device *dev, int irq, - struct io_apic_irq_attr *irq_attr) -{ - int node; - - if (!IO_APIC_IRQ(irq)) { - apic_printk(APIC_QUIET,KERN_ERR "IOAPIC[%d]: Invalid reference to IRQ 0\n", - irq_attr->ioapic); - return -EINVAL; - } - - node = dev ? dev_to_node(dev) : cpu_to_node(0); - - return io_apic_setup_irq_pin_once(irq, node, irq_attr); + return 0; } #ifdef CONFIG_X86_32 @@ -3483,9 +3577,8 @@ static u8 __init io_apic_unique_id(u8 id) DECLARE_BITMAP(used, 256); bitmap_zero(used, 256); - for (i = 0; i < nr_ioapics; i++) { + for_each_ioapic(i) __set_bit(mpc_ioapic_id(i), used); - } if (!test_bit(id, used)) return id; return find_first_zero_bit(used, 256); @@ -3543,14 +3636,13 @@ void __init setup_ioapic_dest(void) if (skip_ioapic_setup == 1) return; - for (ioapic = 0; ioapic < nr_ioapics; ioapic++) - for (pin = 0; pin < ioapics[ioapic].nr_registers; pin++) { + for_each_ioapic_pin(ioapic, pin) { irq_entry = find_irq_entry(ioapic, pin, mp_INT); if (irq_entry == -1) continue; - irq = pin_2_irq(irq_entry, ioapic, pin); - if ((ioapic > 0) && (irq > 16)) + irq = pin_2_irq(irq_entry, ioapic, pin, 0); + if (irq < 0 || !mp_init_irq_at_boot(ioapic, irq)) continue; idata = irq_get_irq_data(irq); @@ -3573,29 +3665,33 @@ void __init setup_ioapic_dest(void) static struct resource *ioapic_resources; -static struct resource * __init ioapic_setup_resources(int nr_ioapics) +static struct resource * __init ioapic_setup_resources(void) { unsigned long n; struct resource *res; char *mem; - int i; + int i, num = 0; - if (nr_ioapics <= 0) + for_each_ioapic(i) + num++; + if (num == 0) return NULL; n = IOAPIC_RESOURCE_NAME_SIZE + sizeof(struct resource); - n *= nr_ioapics; + n *= num; mem = alloc_bootmem(n); res = (void *)mem; - mem += sizeof(struct resource) * nr_ioapics; + mem += sizeof(struct resource) * num; - for (i = 0; i < nr_ioapics; i++) { - res[i].name = mem; - res[i].flags = IORESOURCE_MEM | IORESOURCE_BUSY; + num = 0; + for_each_ioapic(i) { + res[num].name = mem; + res[num].flags = IORESOURCE_MEM | IORESOURCE_BUSY; snprintf(mem, IOAPIC_RESOURCE_NAME_SIZE, "IOAPIC %u", i); mem += IOAPIC_RESOURCE_NAME_SIZE; + num++; } ioapic_resources = res; @@ -3609,8 +3705,8 @@ void __init native_io_apic_init_mappings(void) struct resource *ioapic_res; int i; - ioapic_res = ioapic_setup_resources(nr_ioapics); - for (i = 0; i < nr_ioapics; i++) { + ioapic_res = ioapic_setup_resources(); + for_each_ioapic(i) { if (smp_found_config) { ioapic_phys = mpc_ioapic_addr(i); #ifdef CONFIG_X86_32 @@ -3641,8 +3737,6 @@ fake_ioapic_page: ioapic_res->end = ioapic_phys + IO_APIC_SLOT_SIZE - 1; ioapic_res++; } - - probe_nr_irqs_gsi(); } void __init ioapic_insert_resources(void) @@ -3657,7 +3751,7 @@ void __init ioapic_insert_resources(void) return; } - for (i = 0; i < nr_ioapics; i++) { + for_each_ioapic(i) { insert_resource(&iomem_resource, r); r++; } @@ -3665,16 +3759,15 @@ void __init ioapic_insert_resources(void) int mp_find_ioapic(u32 gsi) { - int i = 0; + int i; if (nr_ioapics == 0) return -1; /* Find the IOAPIC that manages this GSI. */ - for (i = 0; i < nr_ioapics; i++) { + for_each_ioapic(i) { struct mp_ioapic_gsi *gsi_cfg = mp_ioapic_gsi_routing(i); - if ((gsi >= gsi_cfg->gsi_base) - && (gsi <= gsi_cfg->gsi_end)) + if (gsi >= gsi_cfg->gsi_base && gsi <= gsi_cfg->gsi_end) return i; } @@ -3686,7 +3779,7 @@ int mp_find_ioapic_pin(int ioapic, u32 gsi) { struct mp_ioapic_gsi *gsi_cfg; - if (WARN_ON(ioapic == -1)) + if (WARN_ON(ioapic < 0)) return -1; gsi_cfg = mp_ioapic_gsi_routing(ioapic); @@ -3729,7 +3822,8 @@ static __init int bad_ioapic_register(int idx) return 0; } -void __init mp_register_ioapic(int id, u32 address, u32 gsi_base) +void __init mp_register_ioapic(int id, u32 address, u32 gsi_base, + struct ioapic_domain_cfg *cfg) { int idx = 0; int entries; @@ -3743,6 +3837,8 @@ void __init mp_register_ioapic(int id, u32 address, u32 gsi_base) ioapics[idx].mp_config.type = MP_IOAPIC; ioapics[idx].mp_config.flags = MPC_APIC_USABLE; ioapics[idx].mp_config.apicaddr = address; + ioapics[idx].irqdomain = NULL; + ioapics[idx].irqdomain_cfg = *cfg; set_fixmap_nocache(FIX_IO_APIC_BASE_0 + idx, address); @@ -3779,6 +3875,77 @@ void __init mp_register_ioapic(int id, u32 address, u32 gsi_base) nr_ioapics++; } +int mp_irqdomain_map(struct irq_domain *domain, unsigned int virq, + irq_hw_number_t hwirq) +{ + int ioapic = (int)(long)domain->host_data; + struct mp_pin_info *info = mp_pin_info(ioapic, hwirq); + struct io_apic_irq_attr attr; + + /* Get default attribute if not set by caller yet */ + if (!info->set) { + u32 gsi = mp_pin_to_gsi(ioapic, hwirq); + + if (acpi_get_override_irq(gsi, &info->trigger, + &info->polarity) < 0) { + /* + * PCI interrupts are always polarity one level + * triggered. + */ + info->trigger = 1; + info->polarity = 1; + } + info->node = NUMA_NO_NODE; + info->set = 1; + } + set_io_apic_irq_attr(&attr, ioapic, hwirq, info->trigger, + info->polarity); + + return io_apic_setup_irq_pin(virq, info->node, &attr); +} + +void mp_irqdomain_unmap(struct irq_domain *domain, unsigned int virq) +{ + struct irq_data *data = irq_get_irq_data(virq); + struct irq_cfg *cfg = irq_cfg(virq); + int ioapic = (int)(long)domain->host_data; + int pin = (int)data->hwirq; + + ioapic_mask_entry(ioapic, pin); + __remove_pin_from_irq(cfg, ioapic, pin); + WARN_ON(cfg->irq_2_pin != NULL); + arch_teardown_hwirq(virq); +} + +int mp_set_gsi_attr(u32 gsi, int trigger, int polarity, int node) +{ + int ret = 0; + int ioapic, pin; + struct mp_pin_info *info; + + ioapic = mp_find_ioapic(gsi); + if (ioapic < 0) + return -ENODEV; + + pin = mp_find_ioapic_pin(ioapic, gsi); + info = mp_pin_info(ioapic, pin); + trigger = trigger ? 1 : 0; + polarity = polarity ? 1 : 0; + + mutex_lock(&ioapic_mutex); + if (!info->set) { + info->trigger = trigger; + info->polarity = polarity; + info->node = node; + info->set = 1; + } else if (info->trigger != trigger || info->polarity != polarity) { + ret = -EBUSY; + } + mutex_unlock(&ioapic_mutex); + + return ret; +} + /* Enable IOAPIC early just for system timer */ void __init pre_init_apic_IRQ0(void) { diff --git a/arch/x86/kernel/apic/probe_32.c b/arch/x86/kernel/apic/probe_32.c index cceb352c968c..bda488680dbc 100644 --- a/arch/x86/kernel/apic/probe_32.c +++ b/arch/x86/kernel/apic/probe_32.c @@ -88,21 +88,16 @@ static struct apic apic_default = { .disable_esr = 0, .dest_logical = APIC_DEST_LOGICAL, .check_apicid_used = default_check_apicid_used, - .check_apicid_present = default_check_apicid_present, .vector_allocation_domain = flat_vector_allocation_domain, .init_apic_ldr = default_init_apic_ldr, .ioapic_phys_id_map = default_ioapic_phys_id_map, .setup_apic_routing = setup_apic_flat_routing, - .multi_timer_check = NULL, .cpu_present_to_apicid = default_cpu_present_to_apicid, .apicid_to_cpu_present = physid_set_mask_of_physid, - .setup_portio_remap = NULL, .check_phys_apicid_present = default_check_phys_apicid_present, - .enable_apic_mode = NULL, .phys_pkg_id = default_phys_pkg_id, - .mps_oem_check = NULL, .get_apic_id = default_get_apic_id, .set_apic_id = NULL, @@ -116,11 +111,7 @@ static struct apic apic_default = { .send_IPI_all = default_send_IPI_all, .send_IPI_self = default_send_IPI_self, - .trampoline_phys_low = DEFAULT_TRAMPOLINE_PHYS_LOW, - .trampoline_phys_high = DEFAULT_TRAMPOLINE_PHYS_HIGH, - .wait_for_init_deassert = true, - .smp_callin_clear_local_apic = NULL, .inquire_remote_apic = default_inquire_remote_apic, .read = native_apic_mem_read, @@ -214,29 +205,7 @@ void __init generic_apic_probe(void) printk(KERN_INFO "Using APIC driver %s\n", apic->name); } -/* These functions can switch the APIC even after the initial ->probe() */ - -int __init -generic_mps_oem_check(struct mpc_table *mpc, char *oem, char *productid) -{ - struct apic **drv; - - for (drv = __apicdrivers; drv < __apicdrivers_end; drv++) { - if (!((*drv)->mps_oem_check)) - continue; - if (!(*drv)->mps_oem_check(mpc, oem, productid)) - continue; - - if (!cmdline_apic) { - apic = *drv; - printk(KERN_INFO "Switched to APIC driver `%s'.\n", - apic->name); - } - return 1; - } - return 0; -} - +/* This function can switch the APIC even after the initial ->probe() */ int __init default_acpi_madt_oem_check(char *oem_id, char *oem_table_id) { struct apic **drv; diff --git a/arch/x86/kernel/apic/x2apic_cluster.c b/arch/x86/kernel/apic/x2apic_cluster.c index e66766bf1641..6ce600f9bc78 100644 --- a/arch/x86/kernel/apic/x2apic_cluster.c +++ b/arch/x86/kernel/apic/x2apic_cluster.c @@ -249,21 +249,16 @@ static struct apic apic_x2apic_cluster = { .disable_esr = 0, .dest_logical = APIC_DEST_LOGICAL, .check_apicid_used = NULL, - .check_apicid_present = NULL, .vector_allocation_domain = cluster_vector_allocation_domain, .init_apic_ldr = init_x2apic_ldr, .ioapic_phys_id_map = NULL, .setup_apic_routing = NULL, - .multi_timer_check = NULL, .cpu_present_to_apicid = default_cpu_present_to_apicid, .apicid_to_cpu_present = NULL, - .setup_portio_remap = NULL, .check_phys_apicid_present = default_check_phys_apicid_present, - .enable_apic_mode = NULL, .phys_pkg_id = x2apic_phys_pkg_id, - .mps_oem_check = NULL, .get_apic_id = x2apic_get_apic_id, .set_apic_id = x2apic_set_apic_id, @@ -277,10 +272,7 @@ static struct apic apic_x2apic_cluster = { .send_IPI_all = x2apic_send_IPI_all, .send_IPI_self = x2apic_send_IPI_self, - .trampoline_phys_low = DEFAULT_TRAMPOLINE_PHYS_LOW, - .trampoline_phys_high = DEFAULT_TRAMPOLINE_PHYS_HIGH, .wait_for_init_deassert = false, - .smp_callin_clear_local_apic = NULL, .inquire_remote_apic = NULL, .read = native_apic_msr_read, diff --git a/arch/x86/kernel/apic/x2apic_phys.c b/arch/x86/kernel/apic/x2apic_phys.c index 6d600ebf6c12..6fae733e9194 100644 --- a/arch/x86/kernel/apic/x2apic_phys.c +++ b/arch/x86/kernel/apic/x2apic_phys.c @@ -103,21 +103,16 @@ static struct apic apic_x2apic_phys = { .disable_esr = 0, .dest_logical = 0, .check_apicid_used = NULL, - .check_apicid_present = NULL, .vector_allocation_domain = default_vector_allocation_domain, .init_apic_ldr = init_x2apic_ldr, .ioapic_phys_id_map = NULL, .setup_apic_routing = NULL, - .multi_timer_check = NULL, .cpu_present_to_apicid = default_cpu_present_to_apicid, .apicid_to_cpu_present = NULL, - .setup_portio_remap = NULL, .check_phys_apicid_present = default_check_phys_apicid_present, - .enable_apic_mode = NULL, .phys_pkg_id = x2apic_phys_pkg_id, - .mps_oem_check = NULL, .get_apic_id = x2apic_get_apic_id, .set_apic_id = x2apic_set_apic_id, @@ -131,10 +126,7 @@ static struct apic apic_x2apic_phys = { .send_IPI_all = x2apic_send_IPI_all, .send_IPI_self = x2apic_send_IPI_self, - .trampoline_phys_low = DEFAULT_TRAMPOLINE_PHYS_LOW, - .trampoline_phys_high = DEFAULT_TRAMPOLINE_PHYS_HIGH, .wait_for_init_deassert = false, - .smp_callin_clear_local_apic = NULL, .inquire_remote_apic = NULL, .read = native_apic_msr_read, diff --git a/arch/x86/kernel/apic/x2apic_uv_x.c b/arch/x86/kernel/apic/x2apic_uv_x.c index 293b41df54ef..004f017aa7b9 100644 --- a/arch/x86/kernel/apic/x2apic_uv_x.c +++ b/arch/x86/kernel/apic/x2apic_uv_x.c @@ -365,21 +365,16 @@ static struct apic __refdata apic_x2apic_uv_x = { .disable_esr = 0, .dest_logical = APIC_DEST_LOGICAL, .check_apicid_used = NULL, - .check_apicid_present = NULL, .vector_allocation_domain = default_vector_allocation_domain, .init_apic_ldr = uv_init_apic_ldr, .ioapic_phys_id_map = NULL, .setup_apic_routing = NULL, - .multi_timer_check = NULL, .cpu_present_to_apicid = default_cpu_present_to_apicid, .apicid_to_cpu_present = NULL, - .setup_portio_remap = NULL, .check_phys_apicid_present = default_check_phys_apicid_present, - .enable_apic_mode = NULL, .phys_pkg_id = uv_phys_pkg_id, - .mps_oem_check = NULL, .get_apic_id = x2apic_get_apic_id, .set_apic_id = set_apic_id, @@ -394,10 +389,7 @@ static struct apic __refdata apic_x2apic_uv_x = { .send_IPI_self = uv_send_IPI_self, .wakeup_secondary_cpu = uv_wakeup_secondary, - .trampoline_phys_low = DEFAULT_TRAMPOLINE_PHYS_LOW, - .trampoline_phys_high = DEFAULT_TRAMPOLINE_PHYS_HIGH, .wait_for_init_deassert = false, - .smp_callin_clear_local_apic = NULL, .inquire_remote_apic = NULL, .read = native_apic_msr_read, diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c index 333fd5209336..e4ab2b42bd6f 100644 --- a/arch/x86/kernel/cpu/common.c +++ b/arch/x86/kernel/cpu/common.c @@ -148,6 +148,7 @@ static int __init x86_xsave_setup(char *s) { setup_clear_cpu_cap(X86_FEATURE_XSAVE); setup_clear_cpu_cap(X86_FEATURE_XSAVEOPT); + setup_clear_cpu_cap(X86_FEATURE_XSAVES); setup_clear_cpu_cap(X86_FEATURE_AVX); setup_clear_cpu_cap(X86_FEATURE_AVX2); return 1; @@ -161,6 +162,13 @@ static int __init x86_xsaveopt_setup(char *s) } __setup("noxsaveopt", x86_xsaveopt_setup); +static int __init x86_xsaves_setup(char *s) +{ + setup_clear_cpu_cap(X86_FEATURE_XSAVES); + return 1; +} +__setup("noxsaves", x86_xsaves_setup); + #ifdef CONFIG_X86_32 static int cachesize_override = -1; static int disable_x86_serial_nr = 1; diff --git a/arch/x86/kernel/cpu/perf_event_intel_uncore.c b/arch/x86/kernel/cpu/perf_event_intel_uncore.c index cfc6f9dfcd90..0939f86f543d 100644 --- a/arch/x86/kernel/cpu/perf_event_intel_uncore.c +++ b/arch/x86/kernel/cpu/perf_event_intel_uncore.c @@ -945,7 +945,7 @@ static struct intel_uncore_type *snbep_pci_uncores[] = { NULL, }; -static DEFINE_PCI_DEVICE_TABLE(snbep_uncore_pci_ids) = { +static const struct pci_device_id snbep_uncore_pci_ids[] = { { /* Home Agent */ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_UNC_HA), .driver_data = UNCORE_PCI_DEV_DATA(SNBEP_PCI_UNCORE_HA, 0), @@ -1510,7 +1510,7 @@ static struct intel_uncore_type *ivt_pci_uncores[] = { NULL, }; -static DEFINE_PCI_DEVICE_TABLE(ivt_uncore_pci_ids) = { +static const struct pci_device_id ivt_uncore_pci_ids[] = { { /* Home Agent 0 */ PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0xe30), .driver_data = UNCORE_PCI_DEV_DATA(IVT_PCI_UNCORE_HA, 0), @@ -1985,7 +1985,7 @@ static struct intel_uncore_type *snb_pci_uncores[] = { NULL, }; -static DEFINE_PCI_DEVICE_TABLE(snb_uncore_pci_ids) = { +static const struct pci_device_id snb_uncore_pci_ids[] = { { /* IMC */ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_SNB_IMC), .driver_data = UNCORE_PCI_DEV_DATA(SNB_PCI_UNCORE_IMC, 0), @@ -1993,7 +1993,7 @@ static DEFINE_PCI_DEVICE_TABLE(snb_uncore_pci_ids) = { { /* end: all zeroes */ }, }; -static DEFINE_PCI_DEVICE_TABLE(ivb_uncore_pci_ids) = { +static const struct pci_device_id ivb_uncore_pci_ids[] = { { /* IMC */ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_IVB_IMC), .driver_data = UNCORE_PCI_DEV_DATA(SNB_PCI_UNCORE_IMC, 0), @@ -2001,7 +2001,7 @@ static DEFINE_PCI_DEVICE_TABLE(ivb_uncore_pci_ids) = { { /* end: all zeroes */ }, }; -static DEFINE_PCI_DEVICE_TABLE(hsw_uncore_pci_ids) = { +static const struct pci_device_id hsw_uncore_pci_ids[] = { { /* IMC */ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_HSW_IMC), .driver_data = UNCORE_PCI_DEV_DATA(SNB_PCI_UNCORE_IMC, 0), diff --git a/arch/x86/kernel/devicetree.c b/arch/x86/kernel/devicetree.c index 7db54b5d5f86..3d3503351242 100644 --- a/arch/x86/kernel/devicetree.c +++ b/arch/x86/kernel/devicetree.c @@ -21,6 +21,7 @@ #include <asm/apic.h> #include <asm/pci_x86.h> #include <asm/setup.h> +#include <asm/i8259.h> __initdata u64 initial_dtb; char __initdata cmd_line[COMMAND_LINE_SIZE]; @@ -165,82 +166,6 @@ static void __init dtb_lapic_setup(void) #ifdef CONFIG_X86_IO_APIC static unsigned int ioapic_id; -static void __init dtb_add_ioapic(struct device_node *dn) -{ - struct resource r; - int ret; - - ret = of_address_to_resource(dn, 0, &r); - if (ret) { - printk(KERN_ERR "Can't obtain address from node %s.\n", - dn->full_name); - return; - } - mp_register_ioapic(++ioapic_id, r.start, gsi_top); -} - -static void __init dtb_ioapic_setup(void) -{ - struct device_node *dn; - - for_each_compatible_node(dn, NULL, "intel,ce4100-ioapic") - dtb_add_ioapic(dn); - - if (nr_ioapics) { - of_ioapic = 1; - return; - } - printk(KERN_ERR "Error: No information about IO-APIC in OF.\n"); -} -#else -static void __init dtb_ioapic_setup(void) {} -#endif - -static void __init dtb_apic_setup(void) -{ - dtb_lapic_setup(); - dtb_ioapic_setup(); -} - -#ifdef CONFIG_OF_FLATTREE -static void __init x86_flattree_get_config(void) -{ - u32 size, map_len; - void *dt; - - if (!initial_dtb) - return; - - map_len = max(PAGE_SIZE - (initial_dtb & ~PAGE_MASK), (u64)128); - - initial_boot_params = dt = early_memremap(initial_dtb, map_len); - size = of_get_flat_dt_size(); - if (map_len < size) { - early_iounmap(dt, map_len); - initial_boot_params = dt = early_memremap(initial_dtb, size); - map_len = size; - } - - unflatten_and_copy_device_tree(); - early_iounmap(dt, map_len); -} -#else -static inline void x86_flattree_get_config(void) { } -#endif - -void __init x86_dtb_init(void) -{ - x86_flattree_get_config(); - - if (!of_have_populated_dt()) - return; - - dtb_setup_hpet(); - dtb_apic_setup(); -} - -#ifdef CONFIG_X86_IO_APIC - struct of_ioapic_type { u32 out_type; u32 trigger; @@ -276,10 +201,8 @@ static int ioapic_xlate(struct irq_domain *domain, const u32 *intspec, u32 intsize, irq_hw_number_t *out_hwirq, u32 *out_type) { - struct io_apic_irq_attr attr; struct of_ioapic_type *it; - u32 line, idx; - int rc; + u32 line, idx, gsi; if (WARN_ON(intsize < 2)) return -EINVAL; @@ -291,13 +214,10 @@ static int ioapic_xlate(struct irq_domain *domain, it = &of_ioapic_type[intspec[1]]; - idx = (u32) domain->host_data; - set_io_apic_irq_attr(&attr, idx, line, it->trigger, it->polarity); - - rc = io_apic_setup_irq_pin_once(irq_find_mapping(domain, line), - cpu_to_node(0), &attr); - if (rc) - return rc; + idx = (u32)(long)domain->host_data; + gsi = mp_pin_to_gsi(idx, line); + if (mp_set_gsi_attr(gsi, it->trigger, it->polarity, cpu_to_node(0))) + return -EBUSY; *out_hwirq = line; *out_type = it->out_type; @@ -305,81 +225,86 @@ static int ioapic_xlate(struct irq_domain *domain, } const struct irq_domain_ops ioapic_irq_domain_ops = { + .map = mp_irqdomain_map, + .unmap = mp_irqdomain_unmap, .xlate = ioapic_xlate, }; -static void dt_add_ioapic_domain(unsigned int ioapic_num, - struct device_node *np) +static void __init dtb_add_ioapic(struct device_node *dn) { - struct irq_domain *id; - struct mp_ioapic_gsi *gsi_cfg; + struct resource r; int ret; - int num; - - gsi_cfg = mp_ioapic_gsi_routing(ioapic_num); - num = gsi_cfg->gsi_end - gsi_cfg->gsi_base + 1; - - id = irq_domain_add_linear(np, num, &ioapic_irq_domain_ops, - (void *)ioapic_num); - BUG_ON(!id); - if (gsi_cfg->gsi_base == 0) { - /* - * The first NR_IRQS_LEGACY irq descs are allocated in - * early_irq_init() and need just a mapping. The - * remaining irqs need both. All of them are preallocated - * and assigned so we can keep the 1:1 mapping which the ioapic - * is having. - */ - irq_domain_associate_many(id, 0, 0, NR_IRQS_LEGACY); - - if (num > NR_IRQS_LEGACY) { - ret = irq_create_strict_mappings(id, NR_IRQS_LEGACY, - NR_IRQS_LEGACY, num - NR_IRQS_LEGACY); - if (ret) - pr_err("Error creating mapping for the " - "remaining IRQs: %d\n", ret); - } - irq_set_default_host(id); - } else { - ret = irq_create_strict_mappings(id, gsi_cfg->gsi_base, 0, num); - if (ret) - pr_err("Error creating IRQ mapping: %d\n", ret); + struct ioapic_domain_cfg cfg = { + .type = IOAPIC_DOMAIN_DYNAMIC, + .ops = &ioapic_irq_domain_ops, + .dev = dn, + }; + + ret = of_address_to_resource(dn, 0, &r); + if (ret) { + printk(KERN_ERR "Can't obtain address from node %s.\n", + dn->full_name); + return; } + mp_register_ioapic(++ioapic_id, r.start, gsi_top, &cfg); } -static void __init ioapic_add_ofnode(struct device_node *np) +static void __init dtb_ioapic_setup(void) { - struct resource r; - int i, ret; + struct device_node *dn; - ret = of_address_to_resource(np, 0, &r); - if (ret) { - printk(KERN_ERR "Failed to obtain address for %s\n", - np->full_name); + for_each_compatible_node(dn, NULL, "intel,ce4100-ioapic") + dtb_add_ioapic(dn); + + if (nr_ioapics) { + of_ioapic = 1; return; } + printk(KERN_ERR "Error: No information about IO-APIC in OF.\n"); +} +#else +static void __init dtb_ioapic_setup(void) {} +#endif - for (i = 0; i < nr_ioapics; i++) { - if (r.start == mpc_ioapic_addr(i)) { - dt_add_ioapic_domain(i, np); - return; - } - } - printk(KERN_ERR "IOxAPIC at %s is not registered.\n", np->full_name); +static void __init dtb_apic_setup(void) +{ + dtb_lapic_setup(); + dtb_ioapic_setup(); } -void __init x86_add_irq_domains(void) +#ifdef CONFIG_OF_FLATTREE +static void __init x86_flattree_get_config(void) { - struct device_node *dp; + u32 size, map_len; + void *dt; - if (!of_have_populated_dt()) + if (!initial_dtb) return; - for_each_node_with_property(dp, "interrupt-controller") { - if (of_device_is_compatible(dp, "intel,ce4100-ioapic")) - ioapic_add_ofnode(dp); + map_len = max(PAGE_SIZE - (initial_dtb & ~PAGE_MASK), (u64)128); + + initial_boot_params = dt = early_memremap(initial_dtb, map_len); + size = of_get_flat_dt_size(); + if (map_len < size) { + early_iounmap(dt, map_len); + initial_boot_params = dt = early_memremap(initial_dtb, size); + map_len = size; } + + unflatten_and_copy_device_tree(); + early_iounmap(dt, map_len); } #else -void __init x86_add_irq_domains(void) { } +static inline void x86_flattree_get_config(void) { } #endif + +void __init x86_dtb_init(void) +{ + x86_flattree_get_config(); + + if (!of_have_populated_dt()) + return; + + dtb_setup_hpet(); + dtb_apic_setup(); +} diff --git a/arch/x86/kernel/i387.c b/arch/x86/kernel/i387.c index d5dd80814419..a9a4229f6161 100644 --- a/arch/x86/kernel/i387.c +++ b/arch/x86/kernel/i387.c @@ -375,7 +375,7 @@ int xstateregs_set(struct task_struct *target, const struct user_regset *regset, /* * These bits must be zero. */ - xsave_hdr->reserved1[0] = xsave_hdr->reserved1[1] = 0; + memset(xsave_hdr->reserved, 0, 48); return ret; } diff --git a/arch/x86/kernel/iosf_mbi.c b/arch/x86/kernel/iosf_mbi.c index d30acdc1229d..9030e83db6ee 100644 --- a/arch/x86/kernel/iosf_mbi.c +++ b/arch/x86/kernel/iosf_mbi.c @@ -202,7 +202,7 @@ static int iosf_mbi_probe(struct pci_dev *pdev, return 0; } -static DEFINE_PCI_DEVICE_TABLE(iosf_mbi_pci_ids) = { +static const struct pci_device_id iosf_mbi_pci_ids[] = { { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_BAYTRAIL) }, { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_QUARK_X1000) }, { 0, }, diff --git a/arch/x86/kernel/irqinit.c b/arch/x86/kernel/irqinit.c index 7f50156542fb..1e6cff5814fa 100644 --- a/arch/x86/kernel/irqinit.c +++ b/arch/x86/kernel/irqinit.c @@ -78,7 +78,7 @@ void __init init_ISA_irqs(void) #endif legacy_pic->init(0); - for (i = 0; i < legacy_pic->nr_legacy_irqs; i++) + for (i = 0; i < nr_legacy_irqs(); i++) irq_set_chip_and_handler_name(i, chip, handle_level_irq, name); } @@ -87,12 +87,6 @@ void __init init_IRQ(void) int i; /* - * We probably need a better place for this, but it works for - * now ... - */ - x86_add_irq_domains(); - - /* * On cpu 0, Assign IRQ0_VECTOR..IRQ15_VECTOR's to IRQ 0..15. * If these IRQ's are handled by legacy interrupt-controllers like PIC, * then this configuration will likely be static after the boot. If @@ -100,7 +94,7 @@ void __init init_IRQ(void) * then this vector space can be freed and re-used dynamically as the * irq's migrate etc. */ - for (i = 0; i < legacy_pic->nr_legacy_irqs; i++) + for (i = 0; i < nr_legacy_irqs(); i++) per_cpu(vector_irq, 0)[IRQ0_VECTOR + i] = i; x86_init.irqs.intr_init(); @@ -121,7 +115,7 @@ void setup_vector_irq(int cpu) * legacy PIC, for the new cpu that is coming online, setup the static * legacy vector to irq mapping: */ - for (irq = 0; irq < legacy_pic->nr_legacy_irqs; irq++) + for (irq = 0; irq < nr_legacy_irqs(); irq++) per_cpu(vector_irq, cpu)[IRQ0_VECTOR + irq] = irq; #endif diff --git a/arch/x86/kernel/mpparse.c b/arch/x86/kernel/mpparse.c index d2b56489d70f..2d2a237f2c73 100644 --- a/arch/x86/kernel/mpparse.c +++ b/arch/x86/kernel/mpparse.c @@ -19,6 +19,7 @@ #include <linux/module.h> #include <linux/smp.h> #include <linux/pci.h> +#include <linux/irqdomain.h> #include <asm/mtrr.h> #include <asm/mpspec.h> @@ -67,7 +68,7 @@ static void __init MP_processor_info(struct mpc_cpu *m) boot_cpu_physical_apicid = m->apicid; } - printk(KERN_INFO "Processor #%d%s\n", m->apicid, bootup_cpu); + pr_info("Processor #%d%s\n", m->apicid, bootup_cpu); generic_processor_info(apicid, m->apicver); } @@ -87,9 +88,8 @@ static void __init MP_bus_info(struct mpc_bus *m) #if MAX_MP_BUSSES < 256 if (m->busid >= MAX_MP_BUSSES) { - printk(KERN_WARNING "MP table busid value (%d) for bustype %s " - " is too large, max. supported is %d\n", - m->busid, str, MAX_MP_BUSSES - 1); + pr_warn("MP table busid value (%d) for bustype %s is too large, max. supported is %d\n", + m->busid, str, MAX_MP_BUSSES - 1); return; } #endif @@ -110,19 +110,29 @@ static void __init MP_bus_info(struct mpc_bus *m) mp_bus_id_to_type[m->busid] = MP_BUS_EISA; #endif } else - printk(KERN_WARNING "Unknown bustype %s - ignoring\n", str); + pr_warn("Unknown bustype %s - ignoring\n", str); } +static struct irq_domain_ops mp_ioapic_irqdomain_ops = { + .map = mp_irqdomain_map, + .unmap = mp_irqdomain_unmap, +}; + static void __init MP_ioapic_info(struct mpc_ioapic *m) { + struct ioapic_domain_cfg cfg = { + .type = IOAPIC_DOMAIN_LEGACY, + .ops = &mp_ioapic_irqdomain_ops, + }; + if (m->flags & MPC_APIC_USABLE) - mp_register_ioapic(m->apicid, m->apicaddr, gsi_top); + mp_register_ioapic(m->apicid, m->apicaddr, gsi_top, &cfg); } static void __init print_mp_irq_info(struct mpc_intsrc *mp_irq) { - apic_printk(APIC_VERBOSE, "Int: type %d, pol %d, trig %d, bus %02x," - " IRQ %02x, APIC ID %x, APIC INT %02x\n", + apic_printk(APIC_VERBOSE, + "Int: type %d, pol %d, trig %d, bus %02x, IRQ %02x, APIC ID %x, APIC INT %02x\n", mp_irq->irqtype, mp_irq->irqflag & 3, (mp_irq->irqflag >> 2) & 3, mp_irq->srcbus, mp_irq->srcbusirq, mp_irq->dstapic, mp_irq->dstirq); @@ -135,8 +145,8 @@ static inline void __init MP_ioapic_info(struct mpc_ioapic *m) {} static void __init MP_lintsrc_info(struct mpc_lintsrc *m) { - apic_printk(APIC_VERBOSE, "Lint: type %d, pol %d, trig %d, bus %02x," - " IRQ %02x, APIC ID %x, APIC LINT %02x\n", + apic_printk(APIC_VERBOSE, + "Lint: type %d, pol %d, trig %d, bus %02x, IRQ %02x, APIC ID %x, APIC LINT %02x\n", m->irqtype, m->irqflag & 3, (m->irqflag >> 2) & 3, m->srcbusid, m->srcbusirq, m->destapic, m->destapiclint); } @@ -148,34 +158,33 @@ static int __init smp_check_mpc(struct mpc_table *mpc, char *oem, char *str) { if (memcmp(mpc->signature, MPC_SIGNATURE, 4)) { - printk(KERN_ERR "MPTABLE: bad signature [%c%c%c%c]!\n", + pr_err("MPTABLE: bad signature [%c%c%c%c]!\n", mpc->signature[0], mpc->signature[1], mpc->signature[2], mpc->signature[3]); return 0; } if (mpf_checksum((unsigned char *)mpc, mpc->length)) { - printk(KERN_ERR "MPTABLE: checksum error!\n"); + pr_err("MPTABLE: checksum error!\n"); return 0; } if (mpc->spec != 0x01 && mpc->spec != 0x04) { - printk(KERN_ERR "MPTABLE: bad table version (%d)!!\n", - mpc->spec); + pr_err("MPTABLE: bad table version (%d)!!\n", mpc->spec); return 0; } if (!mpc->lapic) { - printk(KERN_ERR "MPTABLE: null local APIC address!\n"); + pr_err("MPTABLE: null local APIC address!\n"); return 0; } memcpy(oem, mpc->oem, 8); oem[8] = 0; - printk(KERN_INFO "MPTABLE: OEM ID: %s\n", oem); + pr_info("MPTABLE: OEM ID: %s\n", oem); memcpy(str, mpc->productid, 12); str[12] = 0; - printk(KERN_INFO "MPTABLE: Product ID: %s\n", str); + pr_info("MPTABLE: Product ID: %s\n", str); - printk(KERN_INFO "MPTABLE: APIC at: 0x%X\n", mpc->lapic); + pr_info("MPTABLE: APIC at: 0x%X\n", mpc->lapic); return 1; } @@ -188,8 +197,8 @@ static void skip_entry(unsigned char **ptr, int *count, int size) static void __init smp_dump_mptable(struct mpc_table *mpc, unsigned char *mpt) { - printk(KERN_ERR "Your mptable is wrong, contact your HW vendor!\n" - "type %x\n", *mpt); + pr_err("Your mptable is wrong, contact your HW vendor!\n"); + pr_cont("type %x\n", *mpt); print_hex_dump(KERN_ERR, " ", DUMP_PREFIX_ADDRESS, 16, 1, mpc, mpc->length, 1); } @@ -207,9 +216,6 @@ static int __init smp_read_mpc(struct mpc_table *mpc, unsigned early) if (!smp_check_mpc(mpc, oem, str)) return 0; -#ifdef CONFIG_X86_32 - generic_mps_oem_check(mpc, oem, str); -#endif /* Initialize the lapic mapping */ if (!acpi_lapic) register_lapic_address(mpc->lapic); @@ -259,7 +265,7 @@ static int __init smp_read_mpc(struct mpc_table *mpc, unsigned early) } if (!num_processors) - printk(KERN_ERR "MPTABLE: no processors registered!\n"); + pr_err("MPTABLE: no processors registered!\n"); return num_processors; } @@ -295,16 +301,13 @@ static void __init construct_default_ioirq_mptable(int mpc_default_type) * If it does, we assume it's valid. */ if (mpc_default_type == 5) { - printk(KERN_INFO "ISA/PCI bus type with no IRQ information... " - "falling back to ELCR\n"); + pr_info("ISA/PCI bus type with no IRQ information... falling back to ELCR\n"); if (ELCR_trigger(0) || ELCR_trigger(1) || ELCR_trigger(2) || ELCR_trigger(13)) - printk(KERN_ERR "ELCR contains invalid data... " - "not using ELCR\n"); + pr_err("ELCR contains invalid data... not using ELCR\n"); else { - printk(KERN_INFO - "Using ELCR to identify PCI interrupts\n"); + pr_info("Using ELCR to identify PCI interrupts\n"); ELCR_fallback = 1; } } @@ -353,7 +356,7 @@ static void __init construct_ioapic_table(int mpc_default_type) bus.busid = 0; switch (mpc_default_type) { default: - printk(KERN_ERR "???\nUnknown standard configuration %d\n", + pr_err("???\nUnknown standard configuration %d\n", mpc_default_type); /* fall through */ case 1: @@ -462,8 +465,8 @@ static int __init check_physptr(struct mpf_intel *mpf, unsigned int early) #ifdef CONFIG_X86_LOCAL_APIC smp_found_config = 0; #endif - printk(KERN_ERR "BIOS bug, MP table errors detected!...\n" - "... disabling SMP support. (tell your hw vendor)\n"); + pr_err("BIOS bug, MP table errors detected!...\n"); + pr_cont("... disabling SMP support. (tell your hw vendor)\n"); early_iounmap(mpc, size); return -1; } @@ -481,8 +484,7 @@ static int __init check_physptr(struct mpf_intel *mpf, unsigned int early) if (!mp_irq_entries) { struct mpc_bus bus; - printk(KERN_ERR "BIOS bug, no explicit IRQ entries, " - "using default mptable. (tell your hw vendor)\n"); + pr_err("BIOS bug, no explicit IRQ entries, using default mptable. (tell your hw vendor)\n"); bus.type = MP_BUS; bus.busid = 0; @@ -516,14 +518,14 @@ void __init default_get_smp_config(unsigned int early) if (acpi_lapic && acpi_ioapic) return; - printk(KERN_INFO "Intel MultiProcessor Specification v1.%d\n", - mpf->specification); + pr_info("Intel MultiProcessor Specification v1.%d\n", + mpf->specification); #if defined(CONFIG_X86_LOCAL_APIC) && defined(CONFIG_X86_32) if (mpf->feature2 & (1 << 7)) { - printk(KERN_INFO " IMCR and PIC compatibility mode.\n"); + pr_info(" IMCR and PIC compatibility mode.\n"); pic_mode = 1; } else { - printk(KERN_INFO " Virtual Wire compatibility mode.\n"); + pr_info(" Virtual Wire compatibility mode.\n"); pic_mode = 0; } #endif @@ -539,8 +541,7 @@ void __init default_get_smp_config(unsigned int early) return; } - printk(KERN_INFO "Default MP configuration #%d\n", - mpf->feature1); + pr_info("Default MP configuration #%d\n", mpf->feature1); construct_default_ISA_mptable(mpf->feature1); } else if (mpf->physptr) { @@ -550,7 +551,7 @@ void __init default_get_smp_config(unsigned int early) BUG(); if (!early) - printk(KERN_INFO "Processors: %d\n", num_processors); + pr_info("Processors: %d\n", num_processors); /* * Only use the first configuration found. */ @@ -583,10 +584,10 @@ static int __init smp_scan_config(unsigned long base, unsigned long length) #endif mpf_found = mpf; - printk(KERN_INFO "found SMP MP-table at [mem %#010llx-%#010llx] mapped at [%p]\n", - (unsigned long long) virt_to_phys(mpf), - (unsigned long long) virt_to_phys(mpf) + - sizeof(*mpf) - 1, mpf); + pr_info("found SMP MP-table at [mem %#010llx-%#010llx] mapped at [%p]\n", + (unsigned long long) virt_to_phys(mpf), + (unsigned long long) virt_to_phys(mpf) + + sizeof(*mpf) - 1, mpf); mem = virt_to_phys(mpf); memblock_reserve(mem, sizeof(*mpf)); @@ -735,7 +736,7 @@ static int __init replace_intsrc_all(struct mpc_table *mpc, int nr_m_spare = 0; unsigned char *mpt = ((unsigned char *)mpc) + count; - printk(KERN_INFO "mpc_length %x\n", mpc->length); + pr_info("mpc_length %x\n", mpc->length); while (count < mpc->length) { switch (*mpt) { case MP_PROCESSOR: @@ -862,13 +863,13 @@ static int __init update_mp_table(void) if (!smp_check_mpc(mpc, oem, str)) return 0; - printk(KERN_INFO "mpf: %llx\n", (u64)virt_to_phys(mpf)); - printk(KERN_INFO "physptr: %x\n", mpf->physptr); + pr_info("mpf: %llx\n", (u64)virt_to_phys(mpf)); + pr_info("physptr: %x\n", mpf->physptr); if (mpc_new_phys && mpc->length > mpc_new_length) { mpc_new_phys = 0; - printk(KERN_INFO "mpc_new_length is %ld, please use alloc_mptable=8k\n", - mpc_new_length); + pr_info("mpc_new_length is %ld, please use alloc_mptable=8k\n", + mpc_new_length); } if (!mpc_new_phys) { @@ -879,10 +880,10 @@ static int __init update_mp_table(void) mpc->checksum = 0xff; new = mpf_checksum((unsigned char *)mpc, mpc->length); if (old == new) { - printk(KERN_INFO "mpc is readonly, please try alloc_mptable instead\n"); + pr_info("mpc is readonly, please try alloc_mptable instead\n"); return 0; } - printk(KERN_INFO "use in-position replacing\n"); + pr_info("use in-position replacing\n"); } else { mpf->physptr = mpc_new_phys; mpc_new = phys_to_virt(mpc_new_phys); @@ -892,7 +893,7 @@ static int __init update_mp_table(void) if (mpc_new_phys - mpf->physptr) { struct mpf_intel *mpf_new; /* steal 16 bytes from [0, 1k) */ - printk(KERN_INFO "mpf new: %x\n", 0x400 - 16); + pr_info("mpf new: %x\n", 0x400 - 16); mpf_new = phys_to_virt(0x400 - 16); memcpy(mpf_new, mpf, 16); mpf = mpf_new; @@ -900,7 +901,7 @@ static int __init update_mp_table(void) } mpf->checksum = 0; mpf->checksum -= mpf_checksum((unsigned char *)mpf, 16); - printk(KERN_INFO "physptr new: %x\n", mpf->physptr); + pr_info("physptr new: %x\n", mpf->physptr); } /* diff --git a/arch/x86/kernel/process.c b/arch/x86/kernel/process.c index 4505e2a950d8..f804dc935d2a 100644 --- a/arch/x86/kernel/process.c +++ b/arch/x86/kernel/process.c @@ -93,6 +93,7 @@ void arch_task_cache_init(void) kmem_cache_create("task_xstate", xstate_size, __alignof__(union thread_xstate), SLAB_PANIC | SLAB_NOTRACK, NULL); + setup_xstate_comp(); } /* diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c index 5492798930ef..2d872e08fab9 100644 --- a/arch/x86/kernel/smpboot.c +++ b/arch/x86/kernel/smpboot.c @@ -168,10 +168,6 @@ static void smp_callin(void) * CPU, first the APIC. (this is probably redundant on most * boards) */ - - pr_debug("CALLIN, before setup_local_APIC()\n"); - if (apic->smp_callin_clear_local_apic) - apic->smp_callin_clear_local_apic(); setup_local_APIC(); end_local_APIC_setup(); @@ -1143,10 +1139,6 @@ void __init native_smp_prepare_cpus(unsigned int max_cpus) enable_IO_APIC(); bsp_end_local_APIC_setup(); - - if (apic->setup_portio_remap) - apic->setup_portio_remap(); - smpboot_setup_io_apic(); /* * Set up local APIC timer on boot CPU. diff --git a/arch/x86/kernel/vsmp_64.c b/arch/x86/kernel/vsmp_64.c index b99b9ad8540c..ee22c1d93ae5 100644 --- a/arch/x86/kernel/vsmp_64.c +++ b/arch/x86/kernel/vsmp_64.c @@ -152,7 +152,7 @@ static void __init detect_vsmp_box(void) is_vsmp = 1; } -int is_vsmp_box(void) +static int is_vsmp_box(void) { if (is_vsmp != -1) return is_vsmp; @@ -166,7 +166,7 @@ int is_vsmp_box(void) static void __init detect_vsmp_box(void) { } -int is_vsmp_box(void) +static int is_vsmp_box(void) { return 0; } diff --git a/arch/x86/kernel/xsave.c b/arch/x86/kernel/xsave.c index a4b451c6addf..940b142cc11f 100644 --- a/arch/x86/kernel/xsave.c +++ b/arch/x86/kernel/xsave.c @@ -8,6 +8,7 @@ #include <linux/bootmem.h> #include <linux/compat.h> +#include <linux/cpu.h> #include <asm/i387.h> #include <asm/fpu-internal.h> #include <asm/sigframe.h> @@ -24,7 +25,9 @@ u64 pcntxt_mask; struct xsave_struct *init_xstate_buf; static struct _fpx_sw_bytes fx_sw_reserved, fx_sw_reserved_ia32; -static unsigned int *xstate_offsets, *xstate_sizes, xstate_features; +static unsigned int *xstate_offsets, *xstate_sizes; +static unsigned int xstate_comp_offsets[sizeof(pcntxt_mask)*8]; +static unsigned int xstate_features; /* * If a processor implementation discern that a processor state component is @@ -283,7 +286,7 @@ sanitize_restored_xstate(struct task_struct *tsk, if (use_xsave()) { /* These bits must be zero. */ - xsave_hdr->reserved1[0] = xsave_hdr->reserved1[1] = 0; + memset(xsave_hdr->reserved, 0, 48); /* * Init the state that is not present in the memory @@ -479,6 +482,52 @@ static void __init setup_xstate_features(void) } /* + * This function sets up offsets and sizes of all extended states in + * xsave area. This supports both standard format and compacted format + * of the xsave aread. + * + * Input: void + * Output: void + */ +void setup_xstate_comp(void) +{ + unsigned int xstate_comp_sizes[sizeof(pcntxt_mask)*8]; + int i; + + /* + * The FP xstates and SSE xstates are legacy states. They are always + * in the fixed offsets in the xsave area in either compacted form + * or standard form. + */ + xstate_comp_offsets[0] = 0; + xstate_comp_offsets[1] = offsetof(struct i387_fxsave_struct, xmm_space); + + if (!cpu_has_xsaves) { + for (i = 2; i < xstate_features; i++) { + if (test_bit(i, (unsigned long *)&pcntxt_mask)) { + xstate_comp_offsets[i] = xstate_offsets[i]; + xstate_comp_sizes[i] = xstate_sizes[i]; + } + } + return; + } + + xstate_comp_offsets[2] = FXSAVE_SIZE + XSAVE_HDR_SIZE; + + for (i = 2; i < xstate_features; i++) { + if (test_bit(i, (unsigned long *)&pcntxt_mask)) + xstate_comp_sizes[i] = xstate_sizes[i]; + else + xstate_comp_sizes[i] = 0; + + if (i > 2) + xstate_comp_offsets[i] = xstate_comp_offsets[i-1] + + xstate_comp_sizes[i-1]; + + } +} + +/* * setup the xstate image representing the init state */ static void __init setup_init_fpu_buf(void) @@ -496,15 +545,21 @@ static void __init setup_init_fpu_buf(void) setup_xstate_features(); + if (cpu_has_xsaves) { + init_xstate_buf->xsave_hdr.xcomp_bv = + (u64)1 << 63 | pcntxt_mask; + init_xstate_buf->xsave_hdr.xstate_bv = pcntxt_mask; + } + /* * Init all the features state with header_bv being 0x0 */ - xrstor_state(init_xstate_buf, -1); + xrstor_state_booting(init_xstate_buf, -1); /* * Dump the init state again. This is to identify the init state * of any feature which is not represented by all zero's. */ - xsave_state(init_xstate_buf, -1); + xsave_state_booting(init_xstate_buf, -1); } static enum { AUTO, ENABLE, DISABLE } eagerfpu = AUTO; @@ -520,6 +575,30 @@ static int __init eager_fpu_setup(char *s) } __setup("eagerfpu=", eager_fpu_setup); + +/* + * Calculate total size of enabled xstates in XCR0/pcntxt_mask. + */ +static void __init init_xstate_size(void) +{ + unsigned int eax, ebx, ecx, edx; + int i; + + if (!cpu_has_xsaves) { + cpuid_count(XSTATE_CPUID, 0, &eax, &ebx, &ecx, &edx); + xstate_size = ebx; + return; + } + + xstate_size = FXSAVE_SIZE + XSAVE_HDR_SIZE; + for (i = 2; i < 64; i++) { + if (test_bit(i, (unsigned long *)&pcntxt_mask)) { + cpuid_count(XSTATE_CPUID, i, &eax, &ebx, &ecx, &edx); + xstate_size += eax; + } + } +} + /* * Enable and initialize the xsave feature. */ @@ -551,8 +630,7 @@ static void __init xstate_enable_boot_cpu(void) /* * Recompute the context size for enabled features */ - cpuid_count(XSTATE_CPUID, 0, &eax, &ebx, &ecx, &edx); - xstate_size = ebx; + init_xstate_size(); update_regset_xstate_info(xstate_size, pcntxt_mask); prepare_fx_sw_frame(); @@ -572,8 +650,9 @@ static void __init xstate_enable_boot_cpu(void) } } - pr_info("enabled xstate_bv 0x%llx, cntxt size 0x%x\n", - pcntxt_mask, xstate_size); + pr_info("enabled xstate_bv 0x%llx, cntxt size 0x%x using %s\n", + pcntxt_mask, xstate_size, + cpu_has_xsaves ? "compacted form" : "standard form"); } /* @@ -635,3 +714,26 @@ void eager_fpu_init(void) else fxrstor_checking(&init_xstate_buf->i387); } + +/* + * Given the xsave area and a state inside, this function returns the + * address of the state. + * + * This is the API that is called to get xstate address in either + * standard format or compacted format of xsave area. + * + * Inputs: + * xsave: base address of the xsave area; + * xstate: state which is defined in xsave.h (e.g. XSTATE_FP, XSTATE_SSE, + * etc.) + * Output: + * address of the state in the xsave area. + */ +void *get_xsave_addr(struct xsave_struct *xsave, int xstate) +{ + int feature = fls64(xstate) - 1; + if (!test_bit(feature, (unsigned long *)&pcntxt_mask)) + return NULL; + + return (void *)xsave + xstate_comp_offsets[feature]; +} diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c index 56657b0bb3bb..03954f7900f5 100644 --- a/arch/x86/kvm/emulate.c +++ b/arch/x86/kvm/emulate.c @@ -1491,9 +1491,6 @@ static int __load_segment_descriptor(struct x86_emulate_ctxt *ctxt, goto exception; break; case VCPU_SREG_CS: - if (in_task_switch && rpl != dpl) - goto exception; - if (!(seg_desc.type & 8)) goto exception; @@ -4394,8 +4391,11 @@ done_prefixes: ctxt->execute = opcode.u.execute; + if (unlikely(ctxt->ud) && likely(!(ctxt->d & EmulateOnUD))) + return EMULATION_FAILED; + if (unlikely(ctxt->d & - (NotImpl|EmulateOnUD|Stack|Op3264|Sse|Mmx|Intercept|CheckPerm))) { + (NotImpl|Stack|Op3264|Sse|Mmx|Intercept|CheckPerm))) { /* * These are copied unconditionally here, and checked unconditionally * in x86_emulate_insn. @@ -4406,9 +4406,6 @@ done_prefixes: if (ctxt->d & NotImpl) return EMULATION_FAILED; - if (!(ctxt->d & EmulateOnUD) && ctxt->ud) - return EMULATION_FAILED; - if (mode == X86EMUL_MODE_PROT64 && (ctxt->d & Stack)) ctxt->op_bytes = 8; diff --git a/arch/x86/pci/acpi.c b/arch/x86/pci/acpi.c index 5075371ab593..cfd1b132b8e3 100644 --- a/arch/x86/pci/acpi.c +++ b/arch/x86/pci/acpi.c @@ -448,7 +448,7 @@ static void probe_pci_root_info(struct pci_root_info *info, return; size = sizeof(*info->res) * info->res_num; - info->res = kzalloc(size, GFP_KERNEL); + info->res = kzalloc_node(size, GFP_KERNEL, info->sd.node); if (!info->res) { info->res_num = 0; return; @@ -456,7 +456,7 @@ static void probe_pci_root_info(struct pci_root_info *info, size = sizeof(*info->res_offset) * info->res_num; info->res_num = 0; - info->res_offset = kzalloc(size, GFP_KERNEL); + info->res_offset = kzalloc_node(size, GFP_KERNEL, info->sd.node); if (!info->res_offset) { kfree(info->res); info->res = NULL; @@ -499,7 +499,7 @@ struct pci_bus *pci_acpi_scan_root(struct acpi_pci_root *root) if (node != NUMA_NO_NODE && !node_online(node)) node = NUMA_NO_NODE; - info = kzalloc(sizeof(*info), GFP_KERNEL); + info = kzalloc_node(sizeof(*info), GFP_KERNEL, node); if (!info) { printk(KERN_WARNING "pci_bus %04x:%02x: " "ignored (out of memory)\n", domain, busnum); diff --git a/arch/x86/pci/intel_mid_pci.c b/arch/x86/pci/intel_mid_pci.c index 84b9d672843d..3865116c51fb 100644 --- a/arch/x86/pci/intel_mid_pci.c +++ b/arch/x86/pci/intel_mid_pci.c @@ -208,27 +208,31 @@ static int pci_write(struct pci_bus *bus, unsigned int devfn, int where, static int intel_mid_pci_irq_enable(struct pci_dev *dev) { - u8 pin; - struct io_apic_irq_attr irq_attr; + int polarity; - pci_read_config_byte(dev, PCI_INTERRUPT_PIN, &pin); + if (intel_mid_identify_cpu() == INTEL_MID_CPU_CHIP_TANGIER) + polarity = 0; /* active high */ + else + polarity = 1; /* active low */ /* * MRST only have IOAPIC, the PCI irq lines are 1:1 mapped to * IOAPIC RTE entries, so we just enable RTE for the device. */ - irq_attr.ioapic = mp_find_ioapic(dev->irq); - irq_attr.ioapic_pin = dev->irq; - irq_attr.trigger = 1; /* level */ - if (intel_mid_identify_cpu() == INTEL_MID_CPU_CHIP_TANGIER) - irq_attr.polarity = 0; /* active high */ - else - irq_attr.polarity = 1; /* active low */ - io_apic_set_pci_routing(&dev->dev, dev->irq, &irq_attr); + if (mp_set_gsi_attr(dev->irq, 1, polarity, dev_to_node(&dev->dev))) + return -EBUSY; + if (mp_map_gsi_to_irq(dev->irq, IOAPIC_MAP_ALLOC) < 0) + return -EBUSY; return 0; } +static void intel_mid_pci_irq_disable(struct pci_dev *dev) +{ + if (!dev->dev.power.is_prepared && dev->irq > 0) + mp_unmap_irq(dev->irq); +} + struct pci_ops intel_mid_pci_ops = { .read = pci_read, .write = pci_write, @@ -245,6 +249,7 @@ int __init intel_mid_pci_init(void) pr_info("Intel MID platform detected, using MID PCI ops\n"); pci_mmcfg_late_init(); pcibios_enable_irq = intel_mid_pci_irq_enable; + pcibios_disable_irq = intel_mid_pci_irq_disable; pci_root_ops = intel_mid_pci_ops; pci_soc_mode = 1; /* Continue with standard init */ diff --git a/arch/x86/pci/irq.c b/arch/x86/pci/irq.c index 84112f55dd7a..bc1a2c341891 100644 --- a/arch/x86/pci/irq.c +++ b/arch/x86/pci/irq.c @@ -26,6 +26,7 @@ static int acer_tm360_irqrouting; static struct irq_routing_table *pirq_table; static int pirq_enable_irq(struct pci_dev *dev); +static void pirq_disable_irq(struct pci_dev *dev); /* * Never use: 0, 1, 2 (timer, keyboard, and cascade) @@ -53,7 +54,7 @@ struct irq_router_handler { }; int (*pcibios_enable_irq)(struct pci_dev *dev) = pirq_enable_irq; -void (*pcibios_disable_irq)(struct pci_dev *dev) = NULL; +void (*pcibios_disable_irq)(struct pci_dev *dev) = pirq_disable_irq; /* * Check passed address for the PCI IRQ Routing Table signature @@ -1186,7 +1187,7 @@ void pcibios_penalize_isa_irq(int irq, int active) static int pirq_enable_irq(struct pci_dev *dev) { - u8 pin; + u8 pin = 0; pci_read_config_byte(dev, PCI_INTERRUPT_PIN, &pin); if (pin && !pcibios_lookup_irq(dev, 1)) { @@ -1227,8 +1228,6 @@ static int pirq_enable_irq(struct pci_dev *dev) } dev = temp_dev; if (irq >= 0) { - io_apic_set_pci_routing(&dev->dev, irq, - &irq_attr); dev->irq = irq; dev_info(&dev->dev, "PCI->APIC IRQ transform: " "INT %c -> IRQ %d\n", 'A' + pin - 1, irq); @@ -1254,3 +1253,12 @@ static int pirq_enable_irq(struct pci_dev *dev) } return 0; } + +static void pirq_disable_irq(struct pci_dev *dev) +{ + if (io_apic_assign_pci_irqs && !dev->dev.power.is_prepared && + dev->irq) { + mp_unmap_irq(dev->irq); + dev->irq = 0; + } +} diff --git a/arch/x86/pci/xen.c b/arch/x86/pci/xen.c index 905956f16465..093f5f4272d3 100644 --- a/arch/x86/pci/xen.c +++ b/arch/x86/pci/xen.c @@ -23,6 +23,7 @@ #include <xen/features.h> #include <xen/events.h> #include <asm/xen/pci.h> +#include <asm/i8259.h> static int xen_pcifront_enable_irq(struct pci_dev *dev) { @@ -40,7 +41,7 @@ static int xen_pcifront_enable_irq(struct pci_dev *dev) /* In PV DomU the Xen PCI backend puts the PIRQ in the interrupt line.*/ pirq = gsi; - if (gsi < NR_IRQS_LEGACY) + if (gsi < nr_legacy_irqs()) share = 0; rc = xen_bind_pirq_gsi_to_irq(gsi, pirq, share, "pcifront"); @@ -511,7 +512,7 @@ int __init pci_xen_initial_domain(void) xen_setup_acpi_sci(); __acpi_register_gsi = acpi_register_gsi_xen; /* Pre-allocate legacy irqs */ - for (irq = 0; irq < NR_IRQS_LEGACY; irq++) { + for (irq = 0; irq < nr_legacy_irqs(); irq++) { int trigger, polarity; if (acpi_get_override_irq(irq, &trigger, &polarity) == -1) @@ -522,7 +523,7 @@ int __init pci_xen_initial_domain(void) true /* Map GSI to PIRQ */); } if (0 == nr_ioapics) { - for (irq = 0; irq < NR_IRQS_LEGACY; irq++) + for (irq = 0; irq < nr_legacy_irqs(); irq++) xen_bind_pirq_gsi_to_irq(irq, irq, 0, "xt-pic"); } return 0; diff --git a/arch/x86/platform/ce4100/ce4100.c b/arch/x86/platform/ce4100/ce4100.c index 8244f5ec2f4c..701fd5843c87 100644 --- a/arch/x86/platform/ce4100/ce4100.c +++ b/arch/x86/platform/ce4100/ce4100.c @@ -135,14 +135,10 @@ static void __init sdv_arch_setup(void) sdv_serial_fixup(); } -#ifdef CONFIG_X86_IO_APIC static void sdv_pci_init(void) { x86_of_pci_init(); - /* We can't set this earlier, because we need to calibrate the timer */ - legacy_pic = &null_legacy_pic; } -#endif /* * CE4100 specific x86_init function overrides and early setup @@ -155,7 +151,9 @@ void __init x86_ce4100_early_setup(void) x86_init.resources.probe_roms = x86_init_noop; x86_init.mpparse.get_smp_config = x86_init_uint_noop; x86_init.mpparse.find_smp_config = x86_init_noop; + x86_init.mpparse.setup_ioapic_ids = setup_ioapic_ids_from_mpc_nocheck; x86_init.pci.init = ce4100_pci_init; + x86_init.pci.init_irq = sdv_pci_init; /* * By default, the reboot method is ACPI which is supported by the @@ -166,10 +164,5 @@ void __init x86_ce4100_early_setup(void) */ reboot_type = BOOT_KBD; -#ifdef CONFIG_X86_IO_APIC - x86_init.pci.init_irq = sdv_pci_init; - x86_init.mpparse.setup_ioapic_ids = setup_ioapic_ids_from_mpc_nocheck; -#endif - pm_power_off = ce4100_power_off; } diff --git a/arch/x86/platform/intel-mid/device_libs/platform_wdt.c b/arch/x86/platform/intel-mid/device_libs/platform_wdt.c index 973cf3bfa9fd..0b283d4d0ad7 100644 --- a/arch/x86/platform/intel-mid/device_libs/platform_wdt.c +++ b/arch/x86/platform/intel-mid/device_libs/platform_wdt.c @@ -26,28 +26,18 @@ static struct platform_device wdt_dev = { static int tangier_probe(struct platform_device *pdev) { - int ioapic; - int irq; + int gsi; struct intel_mid_wdt_pdata *pdata = pdev->dev.platform_data; - struct io_apic_irq_attr irq_attr = { 0 }; if (!pdata) return -EINVAL; - irq = pdata->irq; - ioapic = mp_find_ioapic(irq); - if (ioapic >= 0) { - int ret; - irq_attr.ioapic = ioapic; - irq_attr.ioapic_pin = irq; - irq_attr.trigger = 1; - /* irq_attr.polarity = 0; -> Active high */ - ret = io_apic_set_pci_routing(NULL, irq, &irq_attr); - if (ret) - return ret; - } else { + /* IOAPIC builds identity mapping between GSI and IRQ on MID */ + gsi = pdata->irq; + if (mp_set_gsi_attr(gsi, 1, 0, cpu_to_node(0)) || + mp_map_gsi_to_irq(gsi, IOAPIC_MAP_ALLOC) <= 0) { dev_warn(&pdev->dev, "cannot find interrupt %d in ioapic\n", - irq); + gsi); return -EINVAL; } diff --git a/arch/x86/platform/intel-mid/sfi.c b/arch/x86/platform/intel-mid/sfi.c index 994c40bd7cb7..3c53a90fdb18 100644 --- a/arch/x86/platform/intel-mid/sfi.c +++ b/arch/x86/platform/intel-mid/sfi.c @@ -432,9 +432,8 @@ static int __init sfi_parse_devs(struct sfi_table_header *table) struct sfi_table_simple *sb; struct sfi_device_table_entry *pentry; struct devs_id *dev = NULL; - int num, i; - int ioapic; - struct io_apic_irq_attr irq_attr; + int num, i, ret; + int polarity; sb = (struct sfi_table_simple *)table; num = SFI_GET_NUM_ENTRIES(sb, struct sfi_device_table_entry); @@ -448,35 +447,30 @@ static int __init sfi_parse_devs(struct sfi_table_header *table) * devices, but they have separate RTE entry in IOAPIC * so we have to enable them one by one here */ - ioapic = mp_find_ioapic(irq); - if (ioapic >= 0) { - irq_attr.ioapic = ioapic; - irq_attr.ioapic_pin = irq; - irq_attr.trigger = 1; - if (intel_mid_identify_cpu() == - INTEL_MID_CPU_CHIP_TANGIER) { - if (!strncmp(pentry->name, - "r69001-ts-i2c", 13)) - /* active low */ - irq_attr.polarity = 1; - else if (!strncmp(pentry->name, - "synaptics_3202", 14)) - /* active low */ - irq_attr.polarity = 1; - else if (irq == 41) - /* fast_int_1 */ - irq_attr.polarity = 1; - else - /* active high */ - irq_attr.polarity = 0; - } else { - /* PNW and CLV go with active low */ - irq_attr.polarity = 1; - } - io_apic_set_pci_routing(NULL, irq, &irq_attr); + if (intel_mid_identify_cpu() == + INTEL_MID_CPU_CHIP_TANGIER) { + if (!strncmp(pentry->name, "r69001-ts-i2c", 13)) + /* active low */ + polarity = 1; + else if (!strncmp(pentry->name, + "synaptics_3202", 14)) + /* active low */ + polarity = 1; + else if (irq == 41) + /* fast_int_1 */ + polarity = 1; + else + /* active high */ + polarity = 0; + } else { + /* PNW and CLV go with active low */ + polarity = 1; } - } else { - irq = 0; /* No irq */ + + ret = mp_set_gsi_attr(irq, 1, polarity, NUMA_NO_NODE); + if (ret == 0) + ret = mp_map_gsi_to_irq(irq, IOAPIC_MAP_ALLOC); + WARN_ON(ret < 0); } dev = get_device_id(pentry->type, pentry->name); diff --git a/arch/x86/platform/sfi/sfi.c b/arch/x86/platform/sfi/sfi.c index bcd1a703e3e6..2a8a74f3bd76 100644 --- a/arch/x86/platform/sfi/sfi.c +++ b/arch/x86/platform/sfi/sfi.c @@ -25,6 +25,7 @@ #include <linux/init.h> #include <linux/sfi.h> #include <linux/io.h> +#include <linux/irqdomain.h> #include <asm/io_apic.h> #include <asm/mpspec.h> @@ -70,19 +71,26 @@ static int __init sfi_parse_cpus(struct sfi_table_header *table) #endif /* CONFIG_X86_LOCAL_APIC */ #ifdef CONFIG_X86_IO_APIC +static struct irq_domain_ops sfi_ioapic_irqdomain_ops = { + .map = mp_irqdomain_map, +}; static int __init sfi_parse_ioapic(struct sfi_table_header *table) { struct sfi_table_simple *sb; struct sfi_apic_table_entry *pentry; int i, num; + struct ioapic_domain_cfg cfg = { + .type = IOAPIC_DOMAIN_STRICT, + .ops = &sfi_ioapic_irqdomain_ops, + }; sb = (struct sfi_table_simple *)table; num = SFI_GET_NUM_ENTRIES(sb, struct sfi_apic_table_entry); pentry = (struct sfi_apic_table_entry *)sb->pentry; for (i = 0; i < num; i++) { - mp_register_ioapic(i, pentry->phys_addr, gsi_top); + mp_register_ioapic(i, pentry->phys_addr, gsi_top, &cfg); pentry++; } diff --git a/arch/x86/xen/grant-table.c b/arch/x86/xen/grant-table.c index c0413046483a..1580e7a5a4cf 100644 --- a/arch/x86/xen/grant-table.c +++ b/arch/x86/xen/grant-table.c @@ -118,6 +118,7 @@ static int __init xlated_setup_gnttab_pages(void) { struct page **pages; xen_pfn_t *pfns; + void *vaddr; int rc; unsigned int i; unsigned long nr_grant_frames = gnttab_max_grant_frames(); @@ -143,21 +144,20 @@ static int __init xlated_setup_gnttab_pages(void) for (i = 0; i < nr_grant_frames; i++) pfns[i] = page_to_pfn(pages[i]); - rc = arch_gnttab_map_shared(pfns, nr_grant_frames, nr_grant_frames, - &xen_auto_xlat_grant_frames.vaddr); - - if (rc) { + vaddr = vmap(pages, nr_grant_frames, 0, PAGE_KERNEL); + if (!vaddr) { pr_warn("%s Couldn't map %ld pfns rc:%d\n", __func__, nr_grant_frames, rc); free_xenballooned_pages(nr_grant_frames, pages); kfree(pages); kfree(pfns); - return rc; + return -ENOMEM; } kfree(pages); xen_auto_xlat_grant_frames.pfn = pfns; xen_auto_xlat_grant_frames.count = nr_grant_frames; + xen_auto_xlat_grant_frames.vaddr = vaddr; return 0; } diff --git a/arch/x86/xen/time.c b/arch/x86/xen/time.c index 7b78f88c1707..5718b0b58b60 100644 --- a/arch/x86/xen/time.c +++ b/arch/x86/xen/time.c @@ -444,7 +444,7 @@ void xen_setup_timer(int cpu) irq = bind_virq_to_irqhandler(VIRQ_TIMER, cpu, xen_timer_interrupt, IRQF_PERCPU|IRQF_NOBALANCING|IRQF_TIMER| - IRQF_FORCE_RESUME, + IRQF_FORCE_RESUME|IRQF_EARLY_RESUME, name, NULL); (void)xen_set_irq_priority(irq, XEN_IRQ_PRIORITY_MAX); diff --git a/block/bio-integrity.c b/block/bio-integrity.c index 9e241063a616..bc423f7b02da 100644 --- a/block/bio-integrity.c +++ b/block/bio-integrity.c @@ -70,8 +70,10 @@ struct bio_integrity_payload *bio_integrity_alloc(struct bio *bio, bs->bvec_integrity_pool); if (!bip->bip_vec) goto err; + bip->bip_max_vcnt = bvec_nr_vecs(idx); } else { bip->bip_vec = bip->bip_inline_vecs; + bip->bip_max_vcnt = inline_vecs; } bip->bip_slab = idx; @@ -114,14 +116,6 @@ void bio_integrity_free(struct bio *bio) } EXPORT_SYMBOL(bio_integrity_free); -static inline unsigned int bip_integrity_vecs(struct bio_integrity_payload *bip) -{ - if (bip->bip_slab == BIO_POOL_NONE) - return BIP_INLINE_VECS; - - return bvec_nr_vecs(bip->bip_slab); -} - /** * bio_integrity_add_page - Attach integrity metadata * @bio: bio to update @@ -137,7 +131,7 @@ int bio_integrity_add_page(struct bio *bio, struct page *page, struct bio_integrity_payload *bip = bio->bi_integrity; struct bio_vec *iv; - if (bip->bip_vcnt >= bip_integrity_vecs(bip)) { + if (bip->bip_vcnt >= bip->bip_max_vcnt) { printk(KERN_ERR "%s: bip_vec full\n", __func__); return 0; } diff --git a/block/bio.c b/block/bio.c index 0ec61c9e536c..3e6331d25d90 100644 --- a/block/bio.c +++ b/block/bio.c @@ -112,7 +112,8 @@ static struct kmem_cache *bio_find_or_create_slab(unsigned int extra_size) bslab = &bio_slabs[entry]; snprintf(bslab->name, sizeof(bslab->name), "bio-%d", entry); - slab = kmem_cache_create(bslab->name, sz, 0, SLAB_HWCACHE_ALIGN, NULL); + slab = kmem_cache_create(bslab->name, sz, ARCH_KMALLOC_MINALIGN, + SLAB_HWCACHE_ALIGN, NULL); if (!slab) goto out_unlock; diff --git a/block/blk-core.c b/block/blk-core.c index 6f8dba161bfe..c359d72e9d76 100644 --- a/block/blk-core.c +++ b/block/blk-core.c @@ -438,14 +438,17 @@ static void __blk_drain_queue(struct request_queue *q, bool drain_all) */ void blk_queue_bypass_start(struct request_queue *q) { - bool drain; - spin_lock_irq(q->queue_lock); - drain = !q->bypass_depth++; + q->bypass_depth++; queue_flag_set(QUEUE_FLAG_BYPASS, q); spin_unlock_irq(q->queue_lock); - if (drain) { + /* + * Queues start drained. Skip actual draining till init is + * complete. This avoids lenghty delays during queue init which + * can happen many times during boot. + */ + if (blk_queue_init_done(q)) { spin_lock_irq(q->queue_lock); __blk_drain_queue(q, false); spin_unlock_irq(q->queue_lock); @@ -511,7 +514,7 @@ void blk_cleanup_queue(struct request_queue *q) * prevent that q->request_fn() gets invoked after draining finished. */ if (q->mq_ops) { - blk_mq_drain_queue(q); + blk_mq_freeze_queue(q); spin_lock_irq(lock); } else { spin_lock_irq(lock); diff --git a/block/blk-mq.c b/block/blk-mq.c index ad69ef657e85..5189cb1e478a 100644 --- a/block/blk-mq.c +++ b/block/blk-mq.c @@ -78,68 +78,47 @@ static void blk_mq_hctx_clear_pending(struct blk_mq_hw_ctx *hctx, static int blk_mq_queue_enter(struct request_queue *q) { - int ret; - - __percpu_counter_add(&q->mq_usage_counter, 1, 1000000); - smp_wmb(); - - /* we have problems freezing the queue if it's initializing */ - if (!blk_queue_dying(q) && - (!blk_queue_bypass(q) || !blk_queue_init_done(q))) - return 0; - - __percpu_counter_add(&q->mq_usage_counter, -1, 1000000); + while (true) { + int ret; - spin_lock_irq(q->queue_lock); - ret = wait_event_interruptible_lock_irq(q->mq_freeze_wq, - !blk_queue_bypass(q) || blk_queue_dying(q), - *q->queue_lock); - /* inc usage with lock hold to avoid freeze_queue runs here */ - if (!ret && !blk_queue_dying(q)) - __percpu_counter_add(&q->mq_usage_counter, 1, 1000000); - else if (blk_queue_dying(q)) - ret = -ENODEV; - spin_unlock_irq(q->queue_lock); + if (percpu_ref_tryget_live(&q->mq_usage_counter)) + return 0; - return ret; + ret = wait_event_interruptible(q->mq_freeze_wq, + !q->mq_freeze_depth || blk_queue_dying(q)); + if (blk_queue_dying(q)) + return -ENODEV; + if (ret) + return ret; + } } static void blk_mq_queue_exit(struct request_queue *q) { - __percpu_counter_add(&q->mq_usage_counter, -1, 1000000); + percpu_ref_put(&q->mq_usage_counter); } -void blk_mq_drain_queue(struct request_queue *q) +static void blk_mq_usage_counter_release(struct percpu_ref *ref) { - while (true) { - s64 count; - - spin_lock_irq(q->queue_lock); - count = percpu_counter_sum(&q->mq_usage_counter); - spin_unlock_irq(q->queue_lock); + struct request_queue *q = + container_of(ref, struct request_queue, mq_usage_counter); - if (count == 0) - break; - blk_mq_start_hw_queues(q); - msleep(10); - } + wake_up_all(&q->mq_freeze_wq); } /* * Guarantee no request is in use, so we can change any data structure of * the queue afterward. */ -static void blk_mq_freeze_queue(struct request_queue *q) +void blk_mq_freeze_queue(struct request_queue *q) { - bool drain; - spin_lock_irq(q->queue_lock); - drain = !q->bypass_depth++; - queue_flag_set(QUEUE_FLAG_BYPASS, q); + q->mq_freeze_depth++; spin_unlock_irq(q->queue_lock); - if (drain) - blk_mq_drain_queue(q); + percpu_ref_kill(&q->mq_usage_counter); + blk_mq_run_queues(q, false); + wait_event(q->mq_freeze_wq, percpu_ref_is_zero(&q->mq_usage_counter)); } static void blk_mq_unfreeze_queue(struct request_queue *q) @@ -147,14 +126,13 @@ static void blk_mq_unfreeze_queue(struct request_queue *q) bool wake = false; spin_lock_irq(q->queue_lock); - if (!--q->bypass_depth) { - queue_flag_clear(QUEUE_FLAG_BYPASS, q); - wake = true; - } - WARN_ON_ONCE(q->bypass_depth < 0); + wake = !--q->mq_freeze_depth; + WARN_ON_ONCE(q->mq_freeze_depth < 0); spin_unlock_irq(q->queue_lock); - if (wake) + if (wake) { + percpu_ref_reinit(&q->mq_usage_counter); wake_up_all(&q->mq_freeze_wq); + } } bool blk_mq_can_queue(struct blk_mq_hw_ctx *hctx) @@ -1798,7 +1776,7 @@ struct request_queue *blk_mq_init_queue(struct blk_mq_tag_set *set) if (!q) goto err_hctxs; - if (percpu_counter_init(&q->mq_usage_counter, 0)) + if (percpu_ref_init(&q->mq_usage_counter, blk_mq_usage_counter_release)) goto err_map; setup_timer(&q->timeout, blk_mq_rq_timer, (unsigned long) q); @@ -1891,7 +1869,7 @@ void blk_mq_free_queue(struct request_queue *q) blk_mq_exit_hw_queues(q, set, set->nr_hw_queues); blk_mq_free_hw_queues(q, set); - percpu_counter_destroy(&q->mq_usage_counter); + percpu_ref_exit(&q->mq_usage_counter); free_percpu(q->queue_ctx); kfree(q->queue_hw_ctx); @@ -2050,8 +2028,7 @@ static int __init blk_mq_init(void) { blk_mq_cpu_init(); - /* Must be called after percpu_counter_hotcpu_callback() */ - hotcpu_notifier(blk_mq_queue_reinit_notify, -10); + hotcpu_notifier(blk_mq_queue_reinit_notify, 0); return 0; } diff --git a/block/blk-mq.h b/block/blk-mq.h index 26460884c6cd..ca4964a6295d 100644 --- a/block/blk-mq.h +++ b/block/blk-mq.h @@ -28,7 +28,7 @@ struct blk_mq_ctx { void __blk_mq_complete_request(struct request *rq); void blk_mq_run_hw_queue(struct blk_mq_hw_ctx *hctx, bool async); void blk_mq_init_flush(struct request_queue *q); -void blk_mq_drain_queue(struct request_queue *q); +void blk_mq_freeze_queue(struct request_queue *q); void blk_mq_free_queue(struct request_queue *q); void blk_mq_clone_flush_request(struct request *flush_rq, struct request *orig_rq); diff --git a/block/blk-sysfs.c b/block/blk-sysfs.c index 23321fbab293..4db5abf96b9e 100644 --- a/block/blk-sysfs.c +++ b/block/blk-sysfs.c @@ -554,8 +554,8 @@ int blk_register_queue(struct gendisk *disk) * Initialization must be complete by now. Finish the initial * bypass from queue allocation. */ - blk_queue_bypass_end(q); queue_flag_set_unlocked(QUEUE_FLAG_INIT_DONE, q); + blk_queue_bypass_end(q); ret = blk_trace_init_sysfs(dev); if (ret) diff --git a/block/compat_ioctl.c b/block/compat_ioctl.c index a0926a6094b2..18b282ce361e 100644 --- a/block/compat_ioctl.c +++ b/block/compat_ioctl.c @@ -663,6 +663,7 @@ long compat_blkdev_ioctl(struct file *file, unsigned cmd, unsigned long arg) fmode_t mode = file->f_mode; struct backing_dev_info *bdi; loff_t size; + unsigned int max_sectors; /* * O_NDELAY can be altered using fcntl(.., F_SETFL, ..), so we have @@ -719,8 +720,9 @@ long compat_blkdev_ioctl(struct file *file, unsigned cmd, unsigned long arg) case BLKSSZGET: /* get block device hardware sector size */ return compat_put_int(arg, bdev_logical_block_size(bdev)); case BLKSECTGET: - return compat_put_ushort(arg, - queue_max_sectors(bdev_get_queue(bdev))); + max_sectors = min_t(unsigned int, USHRT_MAX, + queue_max_sectors(bdev_get_queue(bdev))); + return compat_put_ushort(arg, max_sectors); case BLKROTATIONAL: return compat_put_ushort(arg, !blk_queue_nonrot(bdev_get_queue(bdev))); diff --git a/block/ioctl.c b/block/ioctl.c index 7d5c3b20af45..d6cda8147c91 100644 --- a/block/ioctl.c +++ b/block/ioctl.c @@ -278,6 +278,7 @@ int blkdev_ioctl(struct block_device *bdev, fmode_t mode, unsigned cmd, struct backing_dev_info *bdi; loff_t size; int ret, n; + unsigned int max_sectors; switch(cmd) { case BLKFLSBUF: @@ -375,7 +376,9 @@ int blkdev_ioctl(struct block_device *bdev, fmode_t mode, unsigned cmd, case BLKDISCARDZEROES: return put_uint(arg, bdev_discard_zeroes_data(bdev)); case BLKSECTGET: - return put_ushort(arg, queue_max_sectors(bdev_get_queue(bdev))); + max_sectors = min_t(unsigned int, USHRT_MAX, + queue_max_sectors(bdev_get_queue(bdev))); + return put_ushort(arg, max_sectors); case BLKROTATIONAL: return put_ushort(arg, !blk_queue_nonrot(bdev_get_queue(bdev))); case BLKRASET: diff --git a/block/partitions/aix.c b/block/partitions/aix.c index 43be471d9b1d..f3ed7b2d89bf 100644 --- a/block/partitions/aix.c +++ b/block/partitions/aix.c @@ -215,7 +215,7 @@ int aix_partition(struct parsed_partitions *state) numlvs = be16_to_cpu(p->numlvs); put_dev_sector(sect); } - lvip = kzalloc(sizeof(struct lv_info) * state->limit, GFP_KERNEL); + lvip = kcalloc(state->limit, sizeof(struct lv_info), GFP_KERNEL); if (!lvip) return 0; if (numlvs && (d = read_part_sector(state, vgda_sector + 1, §))) { @@ -253,7 +253,7 @@ int aix_partition(struct parsed_partitions *state) continue; } lv_ix = be16_to_cpu(p->lv_ix) - 1; - if (lv_ix > state->limit) { + if (lv_ix >= state->limit) { cur_lv_ix = -1; continue; } diff --git a/block/partitions/amiga.c b/block/partitions/amiga.c index 70cbf44a1560..2b13533d60a2 100644 --- a/block/partitions/amiga.c +++ b/block/partitions/amiga.c @@ -7,6 +7,8 @@ * Re-organised Feb 1998 Russell King */ +#define pr_fmt(fmt) fmt + #include <linux/types.h> #include <linux/affs_hardblocks.h> @@ -40,7 +42,7 @@ int amiga_partition(struct parsed_partitions *state) data = read_part_sector(state, blk, §); if (!data) { if (warn_no_part) - printk("Dev %s: unable to read RDB block %d\n", + pr_err("Dev %s: unable to read RDB block %d\n", bdevname(state->bdev, b), blk); res = -1; goto rdb_done; @@ -57,12 +59,12 @@ int amiga_partition(struct parsed_partitions *state) *(__be32 *)(data+0xdc) = 0; if (checksum_block((__be32 *)data, be32_to_cpu(rdb->rdb_SummedLongs) & 0x7F)==0) { - printk("Warning: Trashed word at 0xd0 in block %d " - "ignored in checksum calculation\n",blk); + pr_err("Trashed word at 0xd0 in block %d ignored in checksum calculation\n", + blk); break; } - printk("Dev %s: RDB in block %d has bad checksum\n", + pr_err("Dev %s: RDB in block %d has bad checksum\n", bdevname(state->bdev, b), blk); } @@ -83,7 +85,7 @@ int amiga_partition(struct parsed_partitions *state) data = read_part_sector(state, blk, §); if (!data) { if (warn_no_part) - printk("Dev %s: unable to read partition block %d\n", + pr_err("Dev %s: unable to read partition block %d\n", bdevname(state->bdev, b), blk); res = -1; goto rdb_done; diff --git a/block/partitions/efi.c b/block/partitions/efi.c index dc51f467a560..56d08fd75b1a 100644 --- a/block/partitions/efi.c +++ b/block/partitions/efi.c @@ -121,7 +121,7 @@ __setup("gpt", force_gpt_fn); /** * efi_crc32() - EFI version of crc32 function * @buf: buffer to calculate crc32 of - * @len - length of buf + * @len: length of buf * * Description: Returns EFI-style CRC32 value for @buf * @@ -240,10 +240,10 @@ done: /** * read_lba(): Read bytes from disk, starting at given LBA - * @state - * @lba - * @buffer - * @size_t + * @state: disk parsed partitions + * @lba: the Logical Block Address of the partition table + * @buffer: destination buffer + * @count: bytes to read * * Description: Reads @count bytes from @state->bdev into @buffer. * Returns number of bytes read on success, 0 on error. @@ -277,8 +277,8 @@ static size_t read_lba(struct parsed_partitions *state, /** * alloc_read_gpt_entries(): reads partition entries from disk - * @state - * @gpt - GPT header + * @state: disk parsed partitions + * @gpt: GPT header * * Description: Returns ptes on success, NULL on error. * Allocates space for PTEs based on information found in @gpt. @@ -312,8 +312,8 @@ static gpt_entry *alloc_read_gpt_entries(struct parsed_partitions *state, /** * alloc_read_gpt_header(): Allocates GPT header, reads into it from disk - * @state - * @lba is the Logical Block Address of the partition table + * @state: disk parsed partitions + * @lba: the Logical Block Address of the partition table * * Description: returns GPT header on success, NULL on error. Allocates * and fills a GPT header starting at @ from @state->bdev. @@ -340,10 +340,10 @@ static gpt_header *alloc_read_gpt_header(struct parsed_partitions *state, /** * is_gpt_valid() - tests one GPT header and PTEs for validity - * @state - * @lba is the logical block address of the GPT header to test - * @gpt is a GPT header ptr, filled on return. - * @ptes is a PTEs ptr, filled on return. + * @state: disk parsed partitions + * @lba: logical block address of the GPT header to test + * @gpt: GPT header ptr, filled on return. + * @ptes: PTEs ptr, filled on return. * * Description: returns 1 if valid, 0 on error. * If valid, returns pointers to newly allocated GPT header and PTEs. @@ -461,8 +461,8 @@ static int is_gpt_valid(struct parsed_partitions *state, u64 lba, /** * is_pte_valid() - tests one PTE for validity - * @pte is the pte to check - * @lastlba is last lba of the disk + * @pte:pte to check + * @lastlba: last lba of the disk * * Description: returns 1 if valid, 0 on error. */ @@ -478,9 +478,10 @@ is_pte_valid(const gpt_entry *pte, const u64 lastlba) /** * compare_gpts() - Search disk for valid GPT headers and PTEs - * @pgpt is the primary GPT header - * @agpt is the alternate GPT header - * @lastlba is the last LBA number + * @pgpt: primary GPT header + * @agpt: alternate GPT header + * @lastlba: last LBA number + * * Description: Returns nothing. Sanity checks pgpt and agpt fields * and prints warnings on discrepancies. * @@ -572,9 +573,10 @@ compare_gpts(gpt_header *pgpt, gpt_header *agpt, u64 lastlba) /** * find_valid_gpt() - Search disk for valid GPT headers and PTEs - * @state - * @gpt is a GPT header ptr, filled on return. - * @ptes is a PTEs ptr, filled on return. + * @state: disk parsed partitions + * @gpt: GPT header ptr, filled on return. + * @ptes: PTEs ptr, filled on return. + * * Description: Returns 1 if valid, 0 on error. * If valid, returns pointers to newly allocated GPT header and PTEs. * Validity depends on PMBR being valid (or being overridden by the @@ -663,7 +665,7 @@ static int find_valid_gpt(struct parsed_partitions *state, gpt_header **gpt, /** * efi_partition(struct parsed_partitions *state) - * @state + * @state: disk parsed partitions * * Description: called from check.c, if the disk contains GPT * partitions, sets up partition entries in the kernel. diff --git a/block/partitions/msdos.c b/block/partitions/msdos.c index 9123f250b425..93e7c1b32edd 100644 --- a/block/partitions/msdos.c +++ b/block/partitions/msdos.c @@ -159,8 +159,9 @@ static void parse_extended(struct parsed_partitions *state, /* * First process the data partition(s) */ - for (i=0; i<4; i++, p++) { + for (i = 0; i < 4; i++, p++) { sector_t offs, size, next; + if (!nr_sects(p) || is_extended_partition(p)) continue; @@ -194,7 +195,7 @@ static void parse_extended(struct parsed_partitions *state, * It should be a link to the next logical partition. */ p -= 4; - for (i=0; i<4; i++, p++) + for (i = 0; i < 4; i++, p++) if (nr_sects(p) && is_extended_partition(p)) break; if (i == 4) @@ -243,8 +244,8 @@ static void parse_solaris_x86(struct parsed_partitions *state, return; } /* Ensure we can handle previous case of VTOC with 8 entries gracefully */ - max_nparts = le16_to_cpu (v->v_nparts) > 8 ? SOLARIS_X86_NUMSLICE : 8; - for (i=0; i<max_nparts && state->next<state->limit; i++) { + max_nparts = le16_to_cpu(v->v_nparts) > 8 ? SOLARIS_X86_NUMSLICE : 8; + for (i = 0; i < max_nparts && state->next < state->limit; i++) { struct solaris_x86_slice *s = &v->v_slice[i]; char tmp[3 + 10 + 1 + 1]; @@ -409,7 +410,7 @@ static void parse_minix(struct parsed_partitions *state, /* The first sector of a Minix partition can have either * a secondary MBR describing its subpartitions, or * the normal boot sector. */ - if (msdos_magic_present (data + 510) && + if (msdos_magic_present(data + 510) && SYS_IND(p) == MINIX_PARTITION) { /* subpartition table present */ char tmp[1 + BDEVNAME_SIZE + 10 + 9 + 1]; @@ -527,6 +528,7 @@ int msdos_partition(struct parsed_partitions *state) for (slot = 1 ; slot <= 4 ; slot++, p++) { sector_t start = start_sect(p)*sector_size; sector_t size = nr_sects(p)*sector_size; + if (!size) continue; if (is_extended_partition(p)) { @@ -537,6 +539,7 @@ int msdos_partition(struct parsed_partitions *state) * sector, although it may not be enough/proper. */ sector_t n = 2; + n = min(size, max(sector_size, n)); put_partition(state, slot, start, n); diff --git a/block/scsi_ioctl.c b/block/scsi_ioctl.c index 14695c6221c8..51bf5155ee75 100644 --- a/block/scsi_ioctl.c +++ b/block/scsi_ioctl.c @@ -82,9 +82,18 @@ static int sg_set_timeout(struct request_queue *q, int __user *p) return err; } +static int max_sectors_bytes(struct request_queue *q) +{ + unsigned int max_sectors = queue_max_sectors(q); + + max_sectors = min_t(unsigned int, max_sectors, INT_MAX >> 9); + + return max_sectors << 9; +} + static int sg_get_reserved_size(struct request_queue *q, int __user *p) { - unsigned val = min(q->sg_reserved_size, queue_max_sectors(q) << 9); + int val = min_t(int, q->sg_reserved_size, max_sectors_bytes(q)); return put_user(val, p); } @@ -98,10 +107,8 @@ static int sg_set_reserved_size(struct request_queue *q, int __user *p) if (size < 0) return -EINVAL; - if (size > (queue_max_sectors(q) << 9)) - size = queue_max_sectors(q) << 9; - q->sg_reserved_size = size; + q->sg_reserved_size = min(size, max_sectors_bytes(q)); return 0; } @@ -283,6 +290,7 @@ static int sg_io(struct request_queue *q, struct gendisk *bd_disk, unsigned long start_time; ssize_t ret = 0; int writing = 0; + int at_head = 0; struct request *rq; char sense[SCSI_SENSE_BUFFERSIZE]; struct bio *bio; @@ -306,6 +314,8 @@ static int sg_io(struct request_queue *q, struct gendisk *bd_disk, case SG_DXFER_FROM_DEV: break; } + if (hdr->flags & SG_FLAG_Q_AT_HEAD) + at_head = 1; rq = blk_get_request(q, writing ? WRITE : READ, GFP_KERNEL); if (!rq) @@ -362,7 +372,7 @@ static int sg_io(struct request_queue *q, struct gendisk *bd_disk, * (if he doesn't check that is his problem). * N.B. a non-zero SCSI status is _not_ necessarily an error. */ - blk_execute_rq(q, bd_disk, rq, 0); + blk_execute_rq(q, bd_disk, rq, at_head); hdr->duration = jiffies_to_msecs(jiffies - start_time); diff --git a/drivers/acpi/battery.c b/drivers/acpi/battery.c index 48bcf38a0ea8..1c162e7be045 100644 --- a/drivers/acpi/battery.c +++ b/drivers/acpi/battery.c @@ -540,12 +540,12 @@ static int acpi_battery_get_state(struct acpi_battery *battery) */ if (battery->capacity_now > battery->full_charge_capacity && battery->full_charge_capacity != ACPI_BATTERY_VALUE_UNKNOWN) { - battery->capacity_now = battery->full_charge_capacity; if (battery->capacity_now != battery->design_capacity) printk_once(KERN_WARNING FW_BUG "battery: reported current charge level (%d) " "is higher than reported maximum charge level (%d).\n", battery->capacity_now, battery->full_charge_capacity); + battery->capacity_now = battery->full_charge_capacity; } if (test_bit(ACPI_BATTERY_QUIRK_PERCENTAGE_CAPACITY, &battery->flags) diff --git a/drivers/acpi/pci_irq.c b/drivers/acpi/pci_irq.c index 9c62340c2360..c96887d5289e 100644 --- a/drivers/acpi/pci_irq.c +++ b/drivers/acpi/pci_irq.c @@ -481,6 +481,10 @@ void acpi_pci_irq_disable(struct pci_dev *dev) if (!pin) return; + /* Keep IOAPIC pin configuration when suspending */ + if (dev->dev.power.is_prepared) + return; + entry = acpi_pci_irq_lookup(dev, pin); if (!entry) return; @@ -498,5 +502,6 @@ void acpi_pci_irq_disable(struct pci_dev *dev) */ dev_dbg(&dev->dev, "PCI INT %c disabled\n", pin_name(pin)); - acpi_unregister_gsi(gsi); + if (gsi >= 0 && dev->irq > 0) + acpi_unregister_gsi(gsi); } diff --git a/drivers/acpi/processor_driver.c b/drivers/acpi/processor_driver.c index 4fcbd670415c..d9f71581b79b 100644 --- a/drivers/acpi/processor_driver.c +++ b/drivers/acpi/processor_driver.c @@ -120,6 +120,7 @@ static int acpi_cpu_soft_notify(struct notifier_block *nfb, unsigned int cpu = (unsigned long)hcpu; struct acpi_processor *pr = per_cpu(processors, cpu); struct acpi_device *device; + action &= ~CPU_TASKS_FROZEN; /* * CPU_STARTING and CPU_DYING must not sleep. Return here since diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c index 5d592e17d760..0a817ad24f16 100644 --- a/drivers/acpi/scan.c +++ b/drivers/acpi/scan.c @@ -353,7 +353,8 @@ static int acpi_scan_hot_remove(struct acpi_device *device) unsigned long long sta; acpi_status status; - if (device->handler->hotplug.demand_offline && !acpi_force_hot_remove) { + if (device->handler && device->handler->hotplug.demand_offline + && !acpi_force_hot_remove) { if (!acpi_scan_is_offline(device, true)) return -EBUSY; } else { diff --git a/drivers/atm/atmtcp.c b/drivers/atm/atmtcp.c index 0e3f8f9dcd29..480fa6ffbc09 100644 --- a/drivers/atm/atmtcp.c +++ b/drivers/atm/atmtcp.c @@ -299,6 +299,7 @@ static int atmtcp_c_send(struct atm_vcc *vcc,struct sk_buff *skb) out_vcc = find_vcc(dev, ntohs(hdr->vpi), ntohs(hdr->vci)); read_unlock(&vcc_sklist_lock); if (!out_vcc) { + result = -EUNATCH; atomic_inc(&vcc->stats->tx_err); goto done; } diff --git a/drivers/atm/solos-pci.c b/drivers/atm/solos-pci.c index 943cf0d6abaf..7652e8dc188f 100644 --- a/drivers/atm/solos-pci.c +++ b/drivers/atm/solos-pci.c @@ -1278,6 +1278,7 @@ static int fpga_probe(struct pci_dev *dev, const struct pci_device_id *id) card->dma_bounce = kmalloc(card->nr_ports * BUF_SIZE, GFP_KERNEL); if (!card->dma_bounce) { dev_warn(&card->dev->dev, "Failed to allocate DMA bounce buffers\n"); + err = -ENOMEM; /* Fallback to MMIO doesn't work */ goto out_unmap_both; } diff --git a/drivers/block/drbd/Makefile b/drivers/block/drbd/Makefile index 8b450338075e..4464e353c1e8 100644 --- a/drivers/block/drbd/Makefile +++ b/drivers/block/drbd/Makefile @@ -3,5 +3,6 @@ drbd-y += drbd_worker.o drbd_receiver.o drbd_req.o drbd_actlog.o drbd-y += drbd_main.o drbd_strings.o drbd_nl.o drbd-y += drbd_interval.o drbd_state.o drbd-y += drbd_nla.o +drbd-$(CONFIG_DEBUG_FS) += drbd_debugfs.o obj-$(CONFIG_BLK_DEV_DRBD) += drbd.o diff --git a/drivers/block/drbd/drbd_actlog.c b/drivers/block/drbd/drbd_actlog.c index 05a1780ffa85..d26a3fa63688 100644 --- a/drivers/block/drbd/drbd_actlog.c +++ b/drivers/block/drbd/drbd_actlog.c @@ -92,34 +92,26 @@ struct __packed al_transaction_on_disk { __be32 context[AL_CONTEXT_PER_TRANSACTION]; }; -struct update_odbm_work { - struct drbd_work w; - struct drbd_device *device; - unsigned int enr; -}; - -struct update_al_work { - struct drbd_work w; - struct drbd_device *device; - struct completion event; - int err; -}; - - -void *drbd_md_get_buffer(struct drbd_device *device) +void *drbd_md_get_buffer(struct drbd_device *device, const char *intent) { int r; wait_event(device->misc_wait, - (r = atomic_cmpxchg(&device->md_io_in_use, 0, 1)) == 0 || + (r = atomic_cmpxchg(&device->md_io.in_use, 0, 1)) == 0 || device->state.disk <= D_FAILED); - return r ? NULL : page_address(device->md_io_page); + if (r) + return NULL; + + device->md_io.current_use = intent; + device->md_io.start_jif = jiffies; + device->md_io.submit_jif = device->md_io.start_jif - 1; + return page_address(device->md_io.page); } void drbd_md_put_buffer(struct drbd_device *device) { - if (atomic_dec_and_test(&device->md_io_in_use)) + if (atomic_dec_and_test(&device->md_io.in_use)) wake_up(&device->misc_wait); } @@ -145,10 +137,11 @@ void wait_until_done_or_force_detached(struct drbd_device *device, struct drbd_b static int _drbd_md_sync_page_io(struct drbd_device *device, struct drbd_backing_dev *bdev, - struct page *page, sector_t sector, - int rw, int size) + sector_t sector, int rw) { struct bio *bio; + /* we do all our meta data IO in aligned 4k blocks. */ + const int size = 4096; int err; device->md_io.done = 0; @@ -156,15 +149,15 @@ static int _drbd_md_sync_page_io(struct drbd_device *device, if ((rw & WRITE) && !test_bit(MD_NO_FUA, &device->flags)) rw |= REQ_FUA | REQ_FLUSH; - rw |= REQ_SYNC; + rw |= REQ_SYNC | REQ_NOIDLE; bio = bio_alloc_drbd(GFP_NOIO); bio->bi_bdev = bdev->md_bdev; bio->bi_iter.bi_sector = sector; err = -EIO; - if (bio_add_page(bio, page, size, 0) != size) + if (bio_add_page(bio, device->md_io.page, size, 0) != size) goto out; - bio->bi_private = &device->md_io; + bio->bi_private = device; bio->bi_end_io = drbd_md_io_complete; bio->bi_rw = rw; @@ -179,7 +172,8 @@ static int _drbd_md_sync_page_io(struct drbd_device *device, } bio_get(bio); /* one bio_put() is in the completion handler */ - atomic_inc(&device->md_io_in_use); /* drbd_md_put_buffer() is in the completion handler */ + atomic_inc(&device->md_io.in_use); /* drbd_md_put_buffer() is in the completion handler */ + device->md_io.submit_jif = jiffies; if (drbd_insert_fault(device, (rw & WRITE) ? DRBD_FAULT_MD_WR : DRBD_FAULT_MD_RD)) bio_endio(bio, -EIO); else @@ -197,9 +191,7 @@ int drbd_md_sync_page_io(struct drbd_device *device, struct drbd_backing_dev *bd sector_t sector, int rw) { int err; - struct page *iop = device->md_io_page; - - D_ASSERT(device, atomic_read(&device->md_io_in_use) == 1); + D_ASSERT(device, atomic_read(&device->md_io.in_use) == 1); BUG_ON(!bdev->md_bdev); @@ -214,8 +206,7 @@ int drbd_md_sync_page_io(struct drbd_device *device, struct drbd_backing_dev *bd current->comm, current->pid, __func__, (unsigned long long)sector, (rw & WRITE) ? "WRITE" : "READ"); - /* we do all our meta data IO in aligned 4k blocks. */ - err = _drbd_md_sync_page_io(device, bdev, iop, sector, rw, 4096); + err = _drbd_md_sync_page_io(device, bdev, sector, rw); if (err) { drbd_err(device, "drbd_md_sync_page_io(,%llus,%s) failed with error %d\n", (unsigned long long)sector, (rw & WRITE) ? "WRITE" : "READ", err); @@ -297,26 +288,12 @@ bool drbd_al_begin_io_prepare(struct drbd_device *device, struct drbd_interval * return need_transaction; } -static int al_write_transaction(struct drbd_device *device, bool delegate); - -/* When called through generic_make_request(), we must delegate - * activity log I/O to the worker thread: a further request - * submitted via generic_make_request() within the same task - * would be queued on current->bio_list, and would only start - * after this function returns (see generic_make_request()). - * - * However, if we *are* the worker, we must not delegate to ourselves. - */ +static int al_write_transaction(struct drbd_device *device); -/* - * @delegate: delegate activity log I/O to the worker thread - */ -void drbd_al_begin_io_commit(struct drbd_device *device, bool delegate) +void drbd_al_begin_io_commit(struct drbd_device *device) { bool locked = false; - BUG_ON(delegate && current == first_peer_device(device)->connection->worker.task); - /* Serialize multiple transactions. * This uses test_and_set_bit, memory barrier is implicit. */ @@ -335,7 +312,7 @@ void drbd_al_begin_io_commit(struct drbd_device *device, bool delegate) rcu_read_unlock(); if (write_al_updates) - al_write_transaction(device, delegate); + al_write_transaction(device); spin_lock_irq(&device->al_lock); /* FIXME if (err) @@ -352,12 +329,10 @@ void drbd_al_begin_io_commit(struct drbd_device *device, bool delegate) /* * @delegate: delegate activity log I/O to the worker thread */ -void drbd_al_begin_io(struct drbd_device *device, struct drbd_interval *i, bool delegate) +void drbd_al_begin_io(struct drbd_device *device, struct drbd_interval *i) { - BUG_ON(delegate && current == first_peer_device(device)->connection->worker.task); - if (drbd_al_begin_io_prepare(device, i)) - drbd_al_begin_io_commit(device, delegate); + drbd_al_begin_io_commit(device); } int drbd_al_begin_io_nonblock(struct drbd_device *device, struct drbd_interval *i) @@ -380,8 +355,19 @@ int drbd_al_begin_io_nonblock(struct drbd_device *device, struct drbd_interval * /* We want all necessary updates for a given request within the same transaction * We could first check how many updates are *actually* needed, * and use that instead of the worst-case nr_al_extents */ - if (available_update_slots < nr_al_extents) - return -EWOULDBLOCK; + if (available_update_slots < nr_al_extents) { + /* Too many activity log extents are currently "hot". + * + * If we have accumulated pending changes already, + * we made progress. + * + * If we cannot get even a single pending change through, + * stop the fast path until we made some progress, + * or requests to "cold" extents could be starved. */ + if (!al->pending_changes) + __set_bit(__LC_STARVING, &device->act_log->flags); + return -ENOBUFS; + } /* Is resync active in this area? */ for (enr = first; enr <= last; enr++) { @@ -452,15 +438,6 @@ static unsigned int al_extent_to_bm_page(unsigned int al_enr) (AL_EXTENT_SHIFT - BM_BLOCK_SHIFT)); } -static unsigned int rs_extent_to_bm_page(unsigned int rs_enr) -{ - return rs_enr >> - /* bit to page */ - ((PAGE_SHIFT + 3) - - /* resync extent number to bit */ - (BM_EXT_SHIFT - BM_BLOCK_SHIFT)); -} - static sector_t al_tr_number_to_on_disk_sector(struct drbd_device *device) { const unsigned int stripes = device->ldev->md.al_stripes; @@ -479,8 +456,7 @@ static sector_t al_tr_number_to_on_disk_sector(struct drbd_device *device) return device->ldev->md.md_offset + device->ldev->md.al_offset + t; } -static int -_al_write_transaction(struct drbd_device *device) +int al_write_transaction(struct drbd_device *device) { struct al_transaction_on_disk *buffer; struct lc_element *e; @@ -505,7 +481,8 @@ _al_write_transaction(struct drbd_device *device) return -EIO; } - buffer = drbd_md_get_buffer(device); /* protects md_io_buffer, al_tr_cycle, ... */ + /* protects md_io_buffer, al_tr_cycle, ... */ + buffer = drbd_md_get_buffer(device, __func__); if (!buffer) { drbd_err(device, "disk failed while waiting for md_io buffer\n"); put_ldev(device); @@ -590,38 +567,6 @@ _al_write_transaction(struct drbd_device *device) return err; } - -static int w_al_write_transaction(struct drbd_work *w, int unused) -{ - struct update_al_work *aw = container_of(w, struct update_al_work, w); - struct drbd_device *device = aw->device; - int err; - - err = _al_write_transaction(device); - aw->err = err; - complete(&aw->event); - - return err != -EIO ? err : 0; -} - -/* Calls from worker context (see w_restart_disk_io()) need to write the - transaction directly. Others came through generic_make_request(), - those need to delegate it to the worker. */ -static int al_write_transaction(struct drbd_device *device, bool delegate) -{ - if (delegate) { - struct update_al_work al_work; - init_completion(&al_work.event); - al_work.w.cb = w_al_write_transaction; - al_work.device = device; - drbd_queue_work_front(&first_peer_device(device)->connection->sender_work, - &al_work.w); - wait_for_completion(&al_work.event); - return al_work.err; - } else - return _al_write_transaction(device); -} - static int _try_lc_del(struct drbd_device *device, struct lc_element *al_ext) { int rv; @@ -682,72 +627,56 @@ int drbd_initialize_al(struct drbd_device *device, void *buffer) return 0; } -static int w_update_odbm(struct drbd_work *w, int unused) -{ - struct update_odbm_work *udw = container_of(w, struct update_odbm_work, w); - struct drbd_device *device = udw->device; - struct sib_info sib = { .sib_reason = SIB_SYNC_PROGRESS, }; - - if (!get_ldev(device)) { - if (__ratelimit(&drbd_ratelimit_state)) - drbd_warn(device, "Can not update on disk bitmap, local IO disabled.\n"); - kfree(udw); - return 0; - } - - drbd_bm_write_page(device, rs_extent_to_bm_page(udw->enr)); - put_ldev(device); - - kfree(udw); - - if (drbd_bm_total_weight(device) <= device->rs_failed) { - switch (device->state.conn) { - case C_SYNC_SOURCE: case C_SYNC_TARGET: - case C_PAUSED_SYNC_S: case C_PAUSED_SYNC_T: - drbd_resync_finished(device); - default: - /* nothing to do */ - break; - } - } - drbd_bcast_event(device, &sib); - - return 0; -} - +static const char *drbd_change_sync_fname[] = { + [RECORD_RS_FAILED] = "drbd_rs_failed_io", + [SET_IN_SYNC] = "drbd_set_in_sync", + [SET_OUT_OF_SYNC] = "drbd_set_out_of_sync" +}; /* ATTENTION. The AL's extents are 4MB each, while the extents in the * resync LRU-cache are 16MB each. * The caller of this function has to hold an get_ldev() reference. * + * Adjusts the caching members ->rs_left (success) or ->rs_failed (!success), + * potentially pulling in (and recounting the corresponding bits) + * this resync extent into the resync extent lru cache. + * + * Returns whether all bits have been cleared for this resync extent, + * precisely: (rs_left <= rs_failed) + * * TODO will be obsoleted once we have a caching lru of the on disk bitmap */ -static void drbd_try_clear_on_disk_bm(struct drbd_device *device, sector_t sector, - int count, int success) +static bool update_rs_extent(struct drbd_device *device, + unsigned int enr, int count, + enum update_sync_bits_mode mode) { struct lc_element *e; - struct update_odbm_work *udw; - - unsigned int enr; D_ASSERT(device, atomic_read(&device->local_cnt)); - /* I simply assume that a sector/size pair never crosses - * a 16 MB extent border. (Currently this is true...) */ - enr = BM_SECT_TO_EXT(sector); - - e = lc_get(device->resync, enr); + /* When setting out-of-sync bits, + * we don't need it cached (lc_find). + * But if it is present in the cache, + * we should update the cached bit count. + * Otherwise, that extent should be in the resync extent lru cache + * already -- or we want to pull it in if necessary -- (lc_get), + * then update and check rs_left and rs_failed. */ + if (mode == SET_OUT_OF_SYNC) + e = lc_find(device->resync, enr); + else + e = lc_get(device->resync, enr); if (e) { struct bm_extent *ext = lc_entry(e, struct bm_extent, lce); if (ext->lce.lc_number == enr) { - if (success) + if (mode == SET_IN_SYNC) ext->rs_left -= count; + else if (mode == SET_OUT_OF_SYNC) + ext->rs_left += count; else ext->rs_failed += count; if (ext->rs_left < ext->rs_failed) { - drbd_warn(device, "BAD! sector=%llus enr=%u rs_left=%d " + drbd_warn(device, "BAD! enr=%u rs_left=%d " "rs_failed=%d count=%d cstate=%s\n", - (unsigned long long)sector, ext->lce.lc_number, ext->rs_left, ext->rs_failed, count, drbd_conn_str(device->state.conn)); @@ -781,34 +710,27 @@ static void drbd_try_clear_on_disk_bm(struct drbd_device *device, sector_t secto ext->lce.lc_number, ext->rs_failed); } ext->rs_left = rs_left; - ext->rs_failed = success ? 0 : count; + ext->rs_failed = (mode == RECORD_RS_FAILED) ? count : 0; /* we don't keep a persistent log of the resync lru, * we can commit any change right away. */ lc_committed(device->resync); } - lc_put(device->resync, &ext->lce); + if (mode != SET_OUT_OF_SYNC) + lc_put(device->resync, &ext->lce); /* no race, we are within the al_lock! */ - if (ext->rs_left == ext->rs_failed) { + if (ext->rs_left <= ext->rs_failed) { ext->rs_failed = 0; - - udw = kmalloc(sizeof(*udw), GFP_ATOMIC); - if (udw) { - udw->enr = ext->lce.lc_number; - udw->w.cb = w_update_odbm; - udw->device = device; - drbd_queue_work_front(&first_peer_device(device)->connection->sender_work, - &udw->w); - } else { - drbd_warn(device, "Could not kmalloc an udw\n"); - } + return true; } - } else { + } else if (mode != SET_OUT_OF_SYNC) { + /* be quiet if lc_find() did not find it. */ drbd_err(device, "lc_get() failed! locked=%d/%d flags=%lu\n", device->resync_locked, device->resync->nr_elements, device->resync->flags); } + return false; } void drbd_advance_rs_marks(struct drbd_device *device, unsigned long still_to_go) @@ -827,105 +749,105 @@ void drbd_advance_rs_marks(struct drbd_device *device, unsigned long still_to_go } } -/* clear the bit corresponding to the piece of storage in question: - * size byte of data starting from sector. Only clear a bits of the affected - * one ore more _aligned_ BM_BLOCK_SIZE blocks. - * - * called by worker on C_SYNC_TARGET and receiver on SyncSource. - * - */ -void __drbd_set_in_sync(struct drbd_device *device, sector_t sector, int size, - const char *file, const unsigned int line) +/* It is called lazy update, so don't do write-out too often. */ +static bool lazy_bitmap_update_due(struct drbd_device *device) { - /* Is called from worker and receiver context _only_ */ - unsigned long sbnr, ebnr, lbnr; - unsigned long count = 0; - sector_t esector, nr_sectors; - int wake_up = 0; - unsigned long flags; + return time_after(jiffies, device->rs_last_bcast + 2*HZ); +} - if (size <= 0 || !IS_ALIGNED(size, 512) || size > DRBD_MAX_DISCARD_SIZE) { - drbd_err(device, "drbd_set_in_sync: sector=%llus size=%d nonsense!\n", - (unsigned long long)sector, size); +static void maybe_schedule_on_disk_bitmap_update(struct drbd_device *device, bool rs_done) +{ + if (rs_done) + set_bit(RS_DONE, &device->flags); + /* and also set RS_PROGRESS below */ + else if (!lazy_bitmap_update_due(device)) return; - } - - if (!get_ldev(device)) - return; /* no disk, no metadata, no bitmap to clear bits in */ - - nr_sectors = drbd_get_capacity(device->this_bdev); - esector = sector + (size >> 9) - 1; - - if (!expect(sector < nr_sectors)) - goto out; - if (!expect(esector < nr_sectors)) - esector = nr_sectors - 1; - - lbnr = BM_SECT_TO_BIT(nr_sectors-1); - - /* we clear it (in sync). - * round up start sector, round down end sector. we make sure we only - * clear full, aligned, BM_BLOCK_SIZE (4K) blocks */ - if (unlikely(esector < BM_SECT_PER_BIT-1)) - goto out; - if (unlikely(esector == (nr_sectors-1))) - ebnr = lbnr; - else - ebnr = BM_SECT_TO_BIT(esector - (BM_SECT_PER_BIT-1)); - sbnr = BM_SECT_TO_BIT(sector + BM_SECT_PER_BIT-1); - if (sbnr > ebnr) - goto out; + drbd_device_post_work(device, RS_PROGRESS); +} +static int update_sync_bits(struct drbd_device *device, + unsigned long sbnr, unsigned long ebnr, + enum update_sync_bits_mode mode) +{ /* - * ok, (capacity & 7) != 0 sometimes, but who cares... - * we count rs_{total,left} in bits, not sectors. + * We keep a count of set bits per resync-extent in the ->rs_left + * caching member, so we need to loop and work within the resync extent + * alignment. Typically this loop will execute exactly once. */ - count = drbd_bm_clear_bits(device, sbnr, ebnr); - if (count) { - drbd_advance_rs_marks(device, drbd_bm_total_weight(device)); - spin_lock_irqsave(&device->al_lock, flags); - drbd_try_clear_on_disk_bm(device, sector, count, true); - spin_unlock_irqrestore(&device->al_lock, flags); - - /* just wake_up unconditional now, various lc_chaged(), - * lc_put() in drbd_try_clear_on_disk_bm(). */ - wake_up = 1; + unsigned long flags; + unsigned long count = 0; + unsigned int cleared = 0; + while (sbnr <= ebnr) { + /* set temporary boundary bit number to last bit number within + * the resync extent of the current start bit number, + * but cap at provided end bit number */ + unsigned long tbnr = min(ebnr, sbnr | BM_BLOCKS_PER_BM_EXT_MASK); + unsigned long c; + + if (mode == RECORD_RS_FAILED) + /* Only called from drbd_rs_failed_io(), bits + * supposedly still set. Recount, maybe some + * of the bits have been successfully cleared + * by application IO meanwhile. + */ + c = drbd_bm_count_bits(device, sbnr, tbnr); + else if (mode == SET_IN_SYNC) + c = drbd_bm_clear_bits(device, sbnr, tbnr); + else /* if (mode == SET_OUT_OF_SYNC) */ + c = drbd_bm_set_bits(device, sbnr, tbnr); + + if (c) { + spin_lock_irqsave(&device->al_lock, flags); + cleared += update_rs_extent(device, BM_BIT_TO_EXT(sbnr), c, mode); + spin_unlock_irqrestore(&device->al_lock, flags); + count += c; + } + sbnr = tbnr + 1; } -out: - put_ldev(device); - if (wake_up) + if (count) { + if (mode == SET_IN_SYNC) { + unsigned long still_to_go = drbd_bm_total_weight(device); + bool rs_is_done = (still_to_go <= device->rs_failed); + drbd_advance_rs_marks(device, still_to_go); + if (cleared || rs_is_done) + maybe_schedule_on_disk_bitmap_update(device, rs_is_done); + } else if (mode == RECORD_RS_FAILED) + device->rs_failed += count; wake_up(&device->al_wait); + } + return count; } -/* - * this is intended to set one request worth of data out of sync. - * affects at least 1 bit, - * and at most 1+DRBD_MAX_BIO_SIZE/BM_BLOCK_SIZE bits. +/* clear the bit corresponding to the piece of storage in question: + * size byte of data starting from sector. Only clear a bits of the affected + * one ore more _aligned_ BM_BLOCK_SIZE blocks. + * + * called by worker on C_SYNC_TARGET and receiver on SyncSource. * - * called by tl_clear and drbd_send_dblock (==drbd_make_request). - * so this can be _any_ process. */ -int __drbd_set_out_of_sync(struct drbd_device *device, sector_t sector, int size, - const char *file, const unsigned int line) +int __drbd_change_sync(struct drbd_device *device, sector_t sector, int size, + enum update_sync_bits_mode mode, + const char *file, const unsigned int line) { - unsigned long sbnr, ebnr, flags; + /* Is called from worker and receiver context _only_ */ + unsigned long sbnr, ebnr, lbnr; + unsigned long count = 0; sector_t esector, nr_sectors; - unsigned int enr, count = 0; - struct lc_element *e; - /* this should be an empty REQ_FLUSH */ - if (size == 0) + /* This would be an empty REQ_FLUSH, be silent. */ + if ((mode == SET_OUT_OF_SYNC) && size == 0) return 0; - if (size < 0 || !IS_ALIGNED(size, 512) || size > DRBD_MAX_DISCARD_SIZE) { - drbd_err(device, "sector: %llus, size: %d\n", - (unsigned long long)sector, size); + if (size <= 0 || !IS_ALIGNED(size, 512) || size > DRBD_MAX_DISCARD_SIZE) { + drbd_err(device, "%s: sector=%llus size=%d nonsense!\n", + drbd_change_sync_fname[mode], + (unsigned long long)sector, size); return 0; } if (!get_ldev(device)) - return 0; /* no disk, no metadata, no bitmap to set bits in */ + return 0; /* no disk, no metadata, no bitmap to manipulate bits in */ nr_sectors = drbd_get_capacity(device->this_bdev); esector = sector + (size >> 9) - 1; @@ -935,25 +857,28 @@ int __drbd_set_out_of_sync(struct drbd_device *device, sector_t sector, int size if (!expect(esector < nr_sectors)) esector = nr_sectors - 1; - /* we set it out of sync, - * we do not need to round anything here */ - sbnr = BM_SECT_TO_BIT(sector); - ebnr = BM_SECT_TO_BIT(esector); - - /* ok, (capacity & 7) != 0 sometimes, but who cares... - * we count rs_{total,left} in bits, not sectors. */ - spin_lock_irqsave(&device->al_lock, flags); - count = drbd_bm_set_bits(device, sbnr, ebnr); + lbnr = BM_SECT_TO_BIT(nr_sectors-1); - enr = BM_SECT_TO_EXT(sector); - e = lc_find(device->resync, enr); - if (e) - lc_entry(e, struct bm_extent, lce)->rs_left += count; - spin_unlock_irqrestore(&device->al_lock, flags); + if (mode == SET_IN_SYNC) { + /* Round up start sector, round down end sector. We make sure + * we only clear full, aligned, BM_BLOCK_SIZE blocks. */ + if (unlikely(esector < BM_SECT_PER_BIT-1)) + goto out; + if (unlikely(esector == (nr_sectors-1))) + ebnr = lbnr; + else + ebnr = BM_SECT_TO_BIT(esector - (BM_SECT_PER_BIT-1)); + sbnr = BM_SECT_TO_BIT(sector + BM_SECT_PER_BIT-1); + } else { + /* We set it out of sync, or record resync failure. + * Should not round anything here. */ + sbnr = BM_SECT_TO_BIT(sector); + ebnr = BM_SECT_TO_BIT(esector); + } + count = update_sync_bits(device, sbnr, ebnr, mode); out: put_ldev(device); - return count; } @@ -1075,6 +1000,15 @@ int drbd_try_rs_begin_io(struct drbd_device *device, sector_t sector) struct lc_element *e; struct bm_extent *bm_ext; int i; + bool throttle = drbd_rs_should_slow_down(device, sector, true); + + /* If we need to throttle, a half-locked (only marked BME_NO_WRITES, + * not yet BME_LOCKED) extent needs to be kicked out explicitly if we + * need to throttle. There is at most one such half-locked extent, + * which is remembered in resync_wenr. */ + + if (throttle && device->resync_wenr != enr) + return -EAGAIN; spin_lock_irq(&device->al_lock); if (device->resync_wenr != LC_FREE && device->resync_wenr != enr) { @@ -1098,8 +1032,10 @@ int drbd_try_rs_begin_io(struct drbd_device *device, sector_t sector) D_ASSERT(device, test_bit(BME_NO_WRITES, &bm_ext->flags)); clear_bit(BME_NO_WRITES, &bm_ext->flags); device->resync_wenr = LC_FREE; - if (lc_put(device->resync, &bm_ext->lce) == 0) + if (lc_put(device->resync, &bm_ext->lce) == 0) { + bm_ext->flags = 0; device->resync_locked--; + } wake_up(&device->al_wait); } else { drbd_alert(device, "LOGIC BUG\n"); @@ -1161,8 +1097,20 @@ proceed: return 0; try_again: - if (bm_ext) - device->resync_wenr = enr; + if (bm_ext) { + if (throttle) { + D_ASSERT(device, !test_bit(BME_LOCKED, &bm_ext->flags)); + D_ASSERT(device, test_bit(BME_NO_WRITES, &bm_ext->flags)); + clear_bit(BME_NO_WRITES, &bm_ext->flags); + device->resync_wenr = LC_FREE; + if (lc_put(device->resync, &bm_ext->lce) == 0) { + bm_ext->flags = 0; + device->resync_locked--; + } + wake_up(&device->al_wait); + } else + device->resync_wenr = enr; + } spin_unlock_irq(&device->al_lock); return -EAGAIN; } @@ -1270,69 +1218,3 @@ int drbd_rs_del_all(struct drbd_device *device) return 0; } - -/** - * drbd_rs_failed_io() - Record information on a failure to resync the specified blocks - * @device: DRBD device. - * @sector: The sector number. - * @size: Size of failed IO operation, in byte. - */ -void drbd_rs_failed_io(struct drbd_device *device, sector_t sector, int size) -{ - /* Is called from worker and receiver context _only_ */ - unsigned long sbnr, ebnr, lbnr; - unsigned long count; - sector_t esector, nr_sectors; - int wake_up = 0; - - if (size <= 0 || !IS_ALIGNED(size, 512) || size > DRBD_MAX_DISCARD_SIZE) { - drbd_err(device, "drbd_rs_failed_io: sector=%llus size=%d nonsense!\n", - (unsigned long long)sector, size); - return; - } - nr_sectors = drbd_get_capacity(device->this_bdev); - esector = sector + (size >> 9) - 1; - - if (!expect(sector < nr_sectors)) - return; - if (!expect(esector < nr_sectors)) - esector = nr_sectors - 1; - - lbnr = BM_SECT_TO_BIT(nr_sectors-1); - - /* - * round up start sector, round down end sector. we make sure we only - * handle full, aligned, BM_BLOCK_SIZE (4K) blocks */ - if (unlikely(esector < BM_SECT_PER_BIT-1)) - return; - if (unlikely(esector == (nr_sectors-1))) - ebnr = lbnr; - else - ebnr = BM_SECT_TO_BIT(esector - (BM_SECT_PER_BIT-1)); - sbnr = BM_SECT_TO_BIT(sector + BM_SECT_PER_BIT-1); - - if (sbnr > ebnr) - return; - - /* - * ok, (capacity & 7) != 0 sometimes, but who cares... - * we count rs_{total,left} in bits, not sectors. - */ - spin_lock_irq(&device->al_lock); - count = drbd_bm_count_bits(device, sbnr, ebnr); - if (count) { - device->rs_failed += count; - - if (get_ldev(device)) { - drbd_try_clear_on_disk_bm(device, sector, count, false); - put_ldev(device); - } - - /* just wake_up unconditional now, various lc_chaged(), - * lc_put() in drbd_try_clear_on_disk_bm(). */ - wake_up = 1; - } - spin_unlock_irq(&device->al_lock); - if (wake_up) - wake_up(&device->al_wait); -} diff --git a/drivers/block/drbd/drbd_bitmap.c b/drivers/block/drbd/drbd_bitmap.c index 1aa29f8fdfe1..426c97aef900 100644 --- a/drivers/block/drbd/drbd_bitmap.c +++ b/drivers/block/drbd/drbd_bitmap.c @@ -22,6 +22,8 @@ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + #include <linux/bitops.h> #include <linux/vmalloc.h> #include <linux/string.h> @@ -353,9 +355,8 @@ static void bm_free_pages(struct page **pages, unsigned long number) for (i = 0; i < number; i++) { if (!pages[i]) { - printk(KERN_ALERT "drbd: bm_free_pages tried to free " - "a NULL pointer; i=%lu n=%lu\n", - i, number); + pr_alert("bm_free_pages tried to free a NULL pointer; i=%lu n=%lu\n", + i, number); continue; } __free_page(pages[i]); @@ -592,7 +593,7 @@ static void bm_memset(struct drbd_bitmap *b, size_t offset, int c, size_t len) end = offset + len; if (end > b->bm_words) { - printk(KERN_ALERT "drbd: bm_memset end > bm_words\n"); + pr_alert("bm_memset end > bm_words\n"); return; } @@ -602,7 +603,7 @@ static void bm_memset(struct drbd_bitmap *b, size_t offset, int c, size_t len) p_addr = bm_map_pidx(b, idx); bm = p_addr + MLPP(offset); if (bm+do_now > p_addr + LWPP) { - printk(KERN_ALERT "drbd: BUG BUG BUG! p_addr:%p bm:%p do_now:%d\n", + pr_alert("BUG BUG BUG! p_addr:%p bm:%p do_now:%d\n", p_addr, bm, (int)do_now); } else memset(bm, c, do_now * sizeof(long)); @@ -927,22 +928,14 @@ void drbd_bm_clear_all(struct drbd_device *device) spin_unlock_irq(&b->bm_lock); } -struct bm_aio_ctx { - struct drbd_device *device; - atomic_t in_flight; - unsigned int done; - unsigned flags; -#define BM_AIO_COPY_PAGES 1 -#define BM_AIO_WRITE_HINTED 2 -#define BM_WRITE_ALL_PAGES 4 - int error; - struct kref kref; -}; - -static void bm_aio_ctx_destroy(struct kref *kref) +static void drbd_bm_aio_ctx_destroy(struct kref *kref) { - struct bm_aio_ctx *ctx = container_of(kref, struct bm_aio_ctx, kref); + struct drbd_bm_aio_ctx *ctx = container_of(kref, struct drbd_bm_aio_ctx, kref); + unsigned long flags; + spin_lock_irqsave(&ctx->device->resource->req_lock, flags); + list_del(&ctx->list); + spin_unlock_irqrestore(&ctx->device->resource->req_lock, flags); put_ldev(ctx->device); kfree(ctx); } @@ -950,7 +943,7 @@ static void bm_aio_ctx_destroy(struct kref *kref) /* bv_page may be a copy, or may be the original */ static void bm_async_io_complete(struct bio *bio, int error) { - struct bm_aio_ctx *ctx = bio->bi_private; + struct drbd_bm_aio_ctx *ctx = bio->bi_private; struct drbd_device *device = ctx->device; struct drbd_bitmap *b = device->bitmap; unsigned int idx = bm_page_to_idx(bio->bi_io_vec[0].bv_page); @@ -993,17 +986,18 @@ static void bm_async_io_complete(struct bio *bio, int error) if (atomic_dec_and_test(&ctx->in_flight)) { ctx->done = 1; wake_up(&device->misc_wait); - kref_put(&ctx->kref, &bm_aio_ctx_destroy); + kref_put(&ctx->kref, &drbd_bm_aio_ctx_destroy); } } -static void bm_page_io_async(struct bm_aio_ctx *ctx, int page_nr, int rw) __must_hold(local) +static void bm_page_io_async(struct drbd_bm_aio_ctx *ctx, int page_nr) __must_hold(local) { struct bio *bio = bio_alloc_drbd(GFP_NOIO); struct drbd_device *device = ctx->device; struct drbd_bitmap *b = device->bitmap; struct page *page; unsigned int len; + unsigned int rw = (ctx->flags & BM_AIO_READ) ? READ : WRITE; sector_t on_disk_sector = device->ldev->md.md_offset + device->ldev->md.bm_offset; @@ -1049,9 +1043,9 @@ static void bm_page_io_async(struct bm_aio_ctx *ctx, int page_nr, int rw) __must /* * bm_rw: read/write the whole bitmap from/to its on disk location. */ -static int bm_rw(struct drbd_device *device, int rw, unsigned flags, unsigned lazy_writeout_upper_idx) __must_hold(local) +static int bm_rw(struct drbd_device *device, const unsigned int flags, unsigned lazy_writeout_upper_idx) __must_hold(local) { - struct bm_aio_ctx *ctx; + struct drbd_bm_aio_ctx *ctx; struct drbd_bitmap *b = device->bitmap; int num_pages, i, count = 0; unsigned long now; @@ -1067,12 +1061,13 @@ static int bm_rw(struct drbd_device *device, int rw, unsigned flags, unsigned la * as we submit copies of pages anyways. */ - ctx = kmalloc(sizeof(struct bm_aio_ctx), GFP_NOIO); + ctx = kmalloc(sizeof(struct drbd_bm_aio_ctx), GFP_NOIO); if (!ctx) return -ENOMEM; - *ctx = (struct bm_aio_ctx) { + *ctx = (struct drbd_bm_aio_ctx) { .device = device, + .start_jif = jiffies, .in_flight = ATOMIC_INIT(1), .done = 0, .flags = flags, @@ -1080,15 +1075,21 @@ static int bm_rw(struct drbd_device *device, int rw, unsigned flags, unsigned la .kref = { ATOMIC_INIT(2) }, }; - if (!get_ldev_if_state(device, D_ATTACHING)) { /* put is in bm_aio_ctx_destroy() */ + if (!get_ldev_if_state(device, D_ATTACHING)) { /* put is in drbd_bm_aio_ctx_destroy() */ drbd_err(device, "ASSERT FAILED: get_ldev_if_state() == 1 in bm_rw()\n"); kfree(ctx); return -ENODEV; } + /* Here D_ATTACHING is sufficient since drbd_bm_read() is called only from + drbd_adm_attach(), after device->ldev was assigned. */ - if (!ctx->flags) + if (0 == (ctx->flags & ~BM_AIO_READ)) WARN_ON(!(BM_LOCKED_MASK & b->bm_flags)); + spin_lock_irq(&device->resource->req_lock); + list_add_tail(&ctx->list, &device->pending_bitmap_io); + spin_unlock_irq(&device->resource->req_lock); + num_pages = b->bm_number_of_pages; now = jiffies; @@ -1098,13 +1099,13 @@ static int bm_rw(struct drbd_device *device, int rw, unsigned flags, unsigned la /* ignore completely unchanged pages */ if (lazy_writeout_upper_idx && i == lazy_writeout_upper_idx) break; - if (rw & WRITE) { + if (!(flags & BM_AIO_READ)) { if ((flags & BM_AIO_WRITE_HINTED) && !test_and_clear_bit(BM_PAGE_HINT_WRITEOUT, &page_private(b->bm_pages[i]))) continue; - if (!(flags & BM_WRITE_ALL_PAGES) && + if (!(flags & BM_AIO_WRITE_ALL_PAGES) && bm_test_page_unchanged(b->bm_pages[i])) { dynamic_drbd_dbg(device, "skipped bm write for idx %u\n", i); continue; @@ -1118,7 +1119,7 @@ static int bm_rw(struct drbd_device *device, int rw, unsigned flags, unsigned la } } atomic_inc(&ctx->in_flight); - bm_page_io_async(ctx, i, rw); + bm_page_io_async(ctx, i); ++count; cond_resched(); } @@ -1134,12 +1135,12 @@ static int bm_rw(struct drbd_device *device, int rw, unsigned flags, unsigned la if (!atomic_dec_and_test(&ctx->in_flight)) wait_until_done_or_force_detached(device, device->ldev, &ctx->done); else - kref_put(&ctx->kref, &bm_aio_ctx_destroy); + kref_put(&ctx->kref, &drbd_bm_aio_ctx_destroy); /* summary for global bitmap IO */ if (flags == 0) drbd_info(device, "bitmap %s of %u pages took %lu jiffies\n", - rw == WRITE ? "WRITE" : "READ", + (flags & BM_AIO_READ) ? "READ" : "WRITE", count, jiffies - now); if (ctx->error) { @@ -1152,20 +1153,18 @@ static int bm_rw(struct drbd_device *device, int rw, unsigned flags, unsigned la err = -EIO; /* Disk timeout/force-detach during IO... */ now = jiffies; - if (rw == WRITE) { - drbd_md_flush(device); - } else /* rw == READ */ { + if (flags & BM_AIO_READ) { b->bm_set = bm_count_bits(b); drbd_info(device, "recounting of set bits took additional %lu jiffies\n", jiffies - now); } now = b->bm_set; - if (flags == 0) + if ((flags & ~BM_AIO_READ) == 0) drbd_info(device, "%s (%lu bits) marked out-of-sync by on disk bit-map.\n", ppsize(ppb, now << (BM_BLOCK_SHIFT-10)), now); - kref_put(&ctx->kref, &bm_aio_ctx_destroy); + kref_put(&ctx->kref, &drbd_bm_aio_ctx_destroy); return err; } @@ -1175,7 +1174,7 @@ static int bm_rw(struct drbd_device *device, int rw, unsigned flags, unsigned la */ int drbd_bm_read(struct drbd_device *device) __must_hold(local) { - return bm_rw(device, READ, 0, 0); + return bm_rw(device, BM_AIO_READ, 0); } /** @@ -1186,7 +1185,7 @@ int drbd_bm_read(struct drbd_device *device) __must_hold(local) */ int drbd_bm_write(struct drbd_device *device) __must_hold(local) { - return bm_rw(device, WRITE, 0, 0); + return bm_rw(device, 0, 0); } /** @@ -1197,7 +1196,17 @@ int drbd_bm_write(struct drbd_device *device) __must_hold(local) */ int drbd_bm_write_all(struct drbd_device *device) __must_hold(local) { - return bm_rw(device, WRITE, BM_WRITE_ALL_PAGES, 0); + return bm_rw(device, BM_AIO_WRITE_ALL_PAGES, 0); +} + +/** + * drbd_bm_write_lazy() - Write bitmap pages 0 to @upper_idx-1, if they have changed. + * @device: DRBD device. + * @upper_idx: 0: write all changed pages; +ve: page index to stop scanning for changed pages + */ +int drbd_bm_write_lazy(struct drbd_device *device, unsigned upper_idx) __must_hold(local) +{ + return bm_rw(device, BM_AIO_COPY_PAGES, upper_idx); } /** @@ -1213,7 +1222,7 @@ int drbd_bm_write_all(struct drbd_device *device) __must_hold(local) */ int drbd_bm_write_copy_pages(struct drbd_device *device) __must_hold(local) { - return bm_rw(device, WRITE, BM_AIO_COPY_PAGES, 0); + return bm_rw(device, BM_AIO_COPY_PAGES, 0); } /** @@ -1222,62 +1231,7 @@ int drbd_bm_write_copy_pages(struct drbd_device *device) __must_hold(local) */ int drbd_bm_write_hinted(struct drbd_device *device) __must_hold(local) { - return bm_rw(device, WRITE, BM_AIO_WRITE_HINTED | BM_AIO_COPY_PAGES, 0); -} - -/** - * drbd_bm_write_page() - Writes a PAGE_SIZE aligned piece of bitmap - * @device: DRBD device. - * @idx: bitmap page index - * - * We don't want to special case on logical_block_size of the backend device, - * so we submit PAGE_SIZE aligned pieces. - * Note that on "most" systems, PAGE_SIZE is 4k. - * - * In case this becomes an issue on systems with larger PAGE_SIZE, - * we may want to change this again to write 4k aligned 4k pieces. - */ -int drbd_bm_write_page(struct drbd_device *device, unsigned int idx) __must_hold(local) -{ - struct bm_aio_ctx *ctx; - int err; - - if (bm_test_page_unchanged(device->bitmap->bm_pages[idx])) { - dynamic_drbd_dbg(device, "skipped bm page write for idx %u\n", idx); - return 0; - } - - ctx = kmalloc(sizeof(struct bm_aio_ctx), GFP_NOIO); - if (!ctx) - return -ENOMEM; - - *ctx = (struct bm_aio_ctx) { - .device = device, - .in_flight = ATOMIC_INIT(1), - .done = 0, - .flags = BM_AIO_COPY_PAGES, - .error = 0, - .kref = { ATOMIC_INIT(2) }, - }; - - if (!get_ldev_if_state(device, D_ATTACHING)) { /* put is in bm_aio_ctx_destroy() */ - drbd_err(device, "ASSERT FAILED: get_ldev_if_state() == 1 in drbd_bm_write_page()\n"); - kfree(ctx); - return -ENODEV; - } - - bm_page_io_async(ctx, idx, WRITE_SYNC); - wait_until_done_or_force_detached(device, device->ldev, &ctx->done); - - if (ctx->error) - drbd_chk_io_error(device, 1, DRBD_META_IO_ERROR); - /* that causes us to detach, so the in memory bitmap will be - * gone in a moment as well. */ - - device->bm_writ_cnt++; - err = atomic_read(&ctx->in_flight) ? -EIO : ctx->error; - kref_put(&ctx->kref, &bm_aio_ctx_destroy); - return err; + return bm_rw(device, BM_AIO_WRITE_HINTED | BM_AIO_COPY_PAGES, 0); } /* NOTE diff --git a/drivers/block/drbd/drbd_debugfs.c b/drivers/block/drbd/drbd_debugfs.c new file mode 100644 index 000000000000..5c20b18540b8 --- /dev/null +++ b/drivers/block/drbd/drbd_debugfs.c @@ -0,0 +1,958 @@ +#define pr_fmt(fmt) "drbd debugfs: " fmt +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/debugfs.h> +#include <linux/seq_file.h> +#include <linux/stat.h> +#include <linux/jiffies.h> +#include <linux/list.h> + +#include "drbd_int.h" +#include "drbd_req.h" +#include "drbd_debugfs.h" + + +/********************************************************************** + * Whenever you change the file format, remember to bump the version. * + **********************************************************************/ + +static struct dentry *drbd_debugfs_root; +static struct dentry *drbd_debugfs_version; +static struct dentry *drbd_debugfs_resources; +static struct dentry *drbd_debugfs_minors; + +static void seq_print_age_or_dash(struct seq_file *m, bool valid, unsigned long dt) +{ + if (valid) + seq_printf(m, "\t%d", jiffies_to_msecs(dt)); + else + seq_printf(m, "\t-"); +} + +static void __seq_print_rq_state_bit(struct seq_file *m, + bool is_set, char *sep, const char *set_name, const char *unset_name) +{ + if (is_set && set_name) { + seq_putc(m, *sep); + seq_puts(m, set_name); + *sep = '|'; + } else if (!is_set && unset_name) { + seq_putc(m, *sep); + seq_puts(m, unset_name); + *sep = '|'; + } +} + +static void seq_print_rq_state_bit(struct seq_file *m, + bool is_set, char *sep, const char *set_name) +{ + __seq_print_rq_state_bit(m, is_set, sep, set_name, NULL); +} + +/* pretty print enum drbd_req_state_bits req->rq_state */ +static void seq_print_request_state(struct seq_file *m, struct drbd_request *req) +{ + unsigned int s = req->rq_state; + char sep = ' '; + seq_printf(m, "\t0x%08x", s); + seq_printf(m, "\tmaster: %s", req->master_bio ? "pending" : "completed"); + + /* RQ_WRITE ignored, already reported */ + seq_puts(m, "\tlocal:"); + seq_print_rq_state_bit(m, s & RQ_IN_ACT_LOG, &sep, "in-AL"); + seq_print_rq_state_bit(m, s & RQ_POSTPONED, &sep, "postponed"); + seq_print_rq_state_bit(m, s & RQ_COMPLETION_SUSP, &sep, "suspended"); + sep = ' '; + seq_print_rq_state_bit(m, s & RQ_LOCAL_PENDING, &sep, "pending"); + seq_print_rq_state_bit(m, s & RQ_LOCAL_COMPLETED, &sep, "completed"); + seq_print_rq_state_bit(m, s & RQ_LOCAL_ABORTED, &sep, "aborted"); + seq_print_rq_state_bit(m, s & RQ_LOCAL_OK, &sep, "ok"); + if (sep == ' ') + seq_puts(m, " -"); + + /* for_each_connection ... */ + seq_printf(m, "\tnet:"); + sep = ' '; + seq_print_rq_state_bit(m, s & RQ_NET_PENDING, &sep, "pending"); + seq_print_rq_state_bit(m, s & RQ_NET_QUEUED, &sep, "queued"); + seq_print_rq_state_bit(m, s & RQ_NET_SENT, &sep, "sent"); + seq_print_rq_state_bit(m, s & RQ_NET_DONE, &sep, "done"); + seq_print_rq_state_bit(m, s & RQ_NET_SIS, &sep, "sis"); + seq_print_rq_state_bit(m, s & RQ_NET_OK, &sep, "ok"); + if (sep == ' ') + seq_puts(m, " -"); + + seq_printf(m, " :"); + sep = ' '; + seq_print_rq_state_bit(m, s & RQ_EXP_RECEIVE_ACK, &sep, "B"); + seq_print_rq_state_bit(m, s & RQ_EXP_WRITE_ACK, &sep, "C"); + seq_print_rq_state_bit(m, s & RQ_EXP_BARR_ACK, &sep, "barr"); + if (sep == ' ') + seq_puts(m, " -"); + seq_printf(m, "\n"); +} + +static void seq_print_one_request(struct seq_file *m, struct drbd_request *req, unsigned long now) +{ + /* change anything here, fixup header below! */ + unsigned int s = req->rq_state; + +#define RQ_HDR_1 "epoch\tsector\tsize\trw" + seq_printf(m, "0x%x\t%llu\t%u\t%s", + req->epoch, + (unsigned long long)req->i.sector, req->i.size >> 9, + (s & RQ_WRITE) ? "W" : "R"); + +#define RQ_HDR_2 "\tstart\tin AL\tsubmit" + seq_printf(m, "\t%d", jiffies_to_msecs(now - req->start_jif)); + seq_print_age_or_dash(m, s & RQ_IN_ACT_LOG, now - req->in_actlog_jif); + seq_print_age_or_dash(m, s & RQ_LOCAL_PENDING, now - req->pre_submit_jif); + +#define RQ_HDR_3 "\tsent\tacked\tdone" + seq_print_age_or_dash(m, s & RQ_NET_SENT, now - req->pre_send_jif); + seq_print_age_or_dash(m, (s & RQ_NET_SENT) && !(s & RQ_NET_PENDING), now - req->acked_jif); + seq_print_age_or_dash(m, s & RQ_NET_DONE, now - req->net_done_jif); + +#define RQ_HDR_4 "\tstate\n" + seq_print_request_state(m, req); +} +#define RQ_HDR RQ_HDR_1 RQ_HDR_2 RQ_HDR_3 RQ_HDR_4 + +static void seq_print_minor_vnr_req(struct seq_file *m, struct drbd_request *req, unsigned long now) +{ + seq_printf(m, "%u\t%u\t", req->device->minor, req->device->vnr); + seq_print_one_request(m, req, now); +} + +static void seq_print_resource_pending_meta_io(struct seq_file *m, struct drbd_resource *resource, unsigned long now) +{ + struct drbd_device *device; + unsigned int i; + + seq_puts(m, "minor\tvnr\tstart\tsubmit\tintent\n"); + rcu_read_lock(); + idr_for_each_entry(&resource->devices, device, i) { + struct drbd_md_io tmp; + /* In theory this is racy, + * in the sense that there could have been a + * drbd_md_put_buffer(); drbd_md_get_buffer(); + * between accessing these members here. */ + tmp = device->md_io; + if (atomic_read(&tmp.in_use)) { + seq_printf(m, "%u\t%u\t%d\t", + device->minor, device->vnr, + jiffies_to_msecs(now - tmp.start_jif)); + if (time_before(tmp.submit_jif, tmp.start_jif)) + seq_puts(m, "-\t"); + else + seq_printf(m, "%d\t", jiffies_to_msecs(now - tmp.submit_jif)); + seq_printf(m, "%s\n", tmp.current_use); + } + } + rcu_read_unlock(); +} + +static void seq_print_waiting_for_AL(struct seq_file *m, struct drbd_resource *resource, unsigned long now) +{ + struct drbd_device *device; + unsigned int i; + + seq_puts(m, "minor\tvnr\tage\t#waiting\n"); + rcu_read_lock(); + idr_for_each_entry(&resource->devices, device, i) { + unsigned long jif; + struct drbd_request *req; + int n = atomic_read(&device->ap_actlog_cnt); + if (n) { + spin_lock_irq(&device->resource->req_lock); + req = list_first_entry_or_null(&device->pending_master_completion[1], + struct drbd_request, req_pending_master_completion); + /* if the oldest request does not wait for the activity log + * it is not interesting for us here */ + if (req && !(req->rq_state & RQ_IN_ACT_LOG)) + jif = req->start_jif; + else + req = NULL; + spin_unlock_irq(&device->resource->req_lock); + } + if (n) { + seq_printf(m, "%u\t%u\t", device->minor, device->vnr); + if (req) + seq_printf(m, "%u\t", jiffies_to_msecs(now - jif)); + else + seq_puts(m, "-\t"); + seq_printf(m, "%u\n", n); + } + } + rcu_read_unlock(); +} + +static void seq_print_device_bitmap_io(struct seq_file *m, struct drbd_device *device, unsigned long now) +{ + struct drbd_bm_aio_ctx *ctx; + unsigned long start_jif; + unsigned int in_flight; + unsigned int flags; + spin_lock_irq(&device->resource->req_lock); + ctx = list_first_entry_or_null(&device->pending_bitmap_io, struct drbd_bm_aio_ctx, list); + if (ctx && ctx->done) + ctx = NULL; + if (ctx) { + start_jif = ctx->start_jif; + in_flight = atomic_read(&ctx->in_flight); + flags = ctx->flags; + } + spin_unlock_irq(&device->resource->req_lock); + if (ctx) { + seq_printf(m, "%u\t%u\t%c\t%u\t%u\n", + device->minor, device->vnr, + (flags & BM_AIO_READ) ? 'R' : 'W', + jiffies_to_msecs(now - start_jif), + in_flight); + } +} + +static void seq_print_resource_pending_bitmap_io(struct seq_file *m, struct drbd_resource *resource, unsigned long now) +{ + struct drbd_device *device; + unsigned int i; + + seq_puts(m, "minor\tvnr\trw\tage\t#in-flight\n"); + rcu_read_lock(); + idr_for_each_entry(&resource->devices, device, i) { + seq_print_device_bitmap_io(m, device, now); + } + rcu_read_unlock(); +} + +/* pretty print enum peer_req->flags */ +static void seq_print_peer_request_flags(struct seq_file *m, struct drbd_peer_request *peer_req) +{ + unsigned long f = peer_req->flags; + char sep = ' '; + + __seq_print_rq_state_bit(m, f & EE_SUBMITTED, &sep, "submitted", "preparing"); + __seq_print_rq_state_bit(m, f & EE_APPLICATION, &sep, "application", "internal"); + seq_print_rq_state_bit(m, f & EE_CALL_AL_COMPLETE_IO, &sep, "in-AL"); + seq_print_rq_state_bit(m, f & EE_SEND_WRITE_ACK, &sep, "C"); + seq_print_rq_state_bit(m, f & EE_MAY_SET_IN_SYNC, &sep, "set-in-sync"); + + if (f & EE_IS_TRIM) { + seq_putc(m, sep); + sep = '|'; + if (f & EE_IS_TRIM_USE_ZEROOUT) + seq_puts(m, "zero-out"); + else + seq_puts(m, "trim"); + } + seq_putc(m, '\n'); +} + +static void seq_print_peer_request(struct seq_file *m, + struct drbd_device *device, struct list_head *lh, + unsigned long now) +{ + bool reported_preparing = false; + struct drbd_peer_request *peer_req; + list_for_each_entry(peer_req, lh, w.list) { + if (reported_preparing && !(peer_req->flags & EE_SUBMITTED)) + continue; + + if (device) + seq_printf(m, "%u\t%u\t", device->minor, device->vnr); + + seq_printf(m, "%llu\t%u\t%c\t%u\t", + (unsigned long long)peer_req->i.sector, peer_req->i.size >> 9, + (peer_req->flags & EE_WRITE) ? 'W' : 'R', + jiffies_to_msecs(now - peer_req->submit_jif)); + seq_print_peer_request_flags(m, peer_req); + if (peer_req->flags & EE_SUBMITTED) + break; + else + reported_preparing = true; + } +} + +static void seq_print_device_peer_requests(struct seq_file *m, + struct drbd_device *device, unsigned long now) +{ + seq_puts(m, "minor\tvnr\tsector\tsize\trw\tage\tflags\n"); + spin_lock_irq(&device->resource->req_lock); + seq_print_peer_request(m, device, &device->active_ee, now); + seq_print_peer_request(m, device, &device->read_ee, now); + seq_print_peer_request(m, device, &device->sync_ee, now); + spin_unlock_irq(&device->resource->req_lock); + if (test_bit(FLUSH_PENDING, &device->flags)) { + seq_printf(m, "%u\t%u\t-\t-\tF\t%u\tflush\n", + device->minor, device->vnr, + jiffies_to_msecs(now - device->flush_jif)); + } +} + +static void seq_print_resource_pending_peer_requests(struct seq_file *m, + struct drbd_resource *resource, unsigned long now) +{ + struct drbd_device *device; + unsigned int i; + + rcu_read_lock(); + idr_for_each_entry(&resource->devices, device, i) { + seq_print_device_peer_requests(m, device, now); + } + rcu_read_unlock(); +} + +static void seq_print_resource_transfer_log_summary(struct seq_file *m, + struct drbd_resource *resource, + struct drbd_connection *connection, + unsigned long now) +{ + struct drbd_request *req; + unsigned int count = 0; + unsigned int show_state = 0; + + seq_puts(m, "n\tdevice\tvnr\t" RQ_HDR); + spin_lock_irq(&resource->req_lock); + list_for_each_entry(req, &connection->transfer_log, tl_requests) { + unsigned int tmp = 0; + unsigned int s; + ++count; + + /* don't disable irq "forever" */ + if (!(count & 0x1ff)) { + struct drbd_request *req_next; + kref_get(&req->kref); + spin_unlock_irq(&resource->req_lock); + cond_resched(); + spin_lock_irq(&resource->req_lock); + req_next = list_next_entry(req, tl_requests); + if (kref_put(&req->kref, drbd_req_destroy)) + req = req_next; + if (&req->tl_requests == &connection->transfer_log) + break; + } + + s = req->rq_state; + + /* This is meant to summarize timing issues, to be able to tell + * local disk problems from network problems. + * Skip requests, if we have shown an even older request with + * similar aspects already. */ + if (req->master_bio == NULL) + tmp |= 1; + if ((s & RQ_LOCAL_MASK) && (s & RQ_LOCAL_PENDING)) + tmp |= 2; + if (s & RQ_NET_MASK) { + if (!(s & RQ_NET_SENT)) + tmp |= 4; + if (s & RQ_NET_PENDING) + tmp |= 8; + if (!(s & RQ_NET_DONE)) + tmp |= 16; + } + if ((tmp & show_state) == tmp) + continue; + show_state |= tmp; + seq_printf(m, "%u\t", count); + seq_print_minor_vnr_req(m, req, now); + if (show_state == 0x1f) + break; + } + spin_unlock_irq(&resource->req_lock); +} + +/* TODO: transfer_log and friends should be moved to resource */ +static int in_flight_summary_show(struct seq_file *m, void *pos) +{ + struct drbd_resource *resource = m->private; + struct drbd_connection *connection; + unsigned long jif = jiffies; + + connection = first_connection(resource); + /* This does not happen, actually. + * But be robust and prepare for future code changes. */ + if (!connection || !kref_get_unless_zero(&connection->kref)) + return -ESTALE; + + /* BUMP me if you change the file format/content/presentation */ + seq_printf(m, "v: %u\n\n", 0); + + seq_puts(m, "oldest bitmap IO\n"); + seq_print_resource_pending_bitmap_io(m, resource, jif); + seq_putc(m, '\n'); + + seq_puts(m, "meta data IO\n"); + seq_print_resource_pending_meta_io(m, resource, jif); + seq_putc(m, '\n'); + + seq_puts(m, "socket buffer stats\n"); + /* for each connection ... once we have more than one */ + rcu_read_lock(); + if (connection->data.socket) { + /* open coded SIOCINQ, the "relevant" part */ + struct tcp_sock *tp = tcp_sk(connection->data.socket->sk); + int answ = tp->rcv_nxt - tp->copied_seq; + seq_printf(m, "unread receive buffer: %u Byte\n", answ); + /* open coded SIOCOUTQ, the "relevant" part */ + answ = tp->write_seq - tp->snd_una; + seq_printf(m, "unacked send buffer: %u Byte\n", answ); + } + rcu_read_unlock(); + seq_putc(m, '\n'); + + seq_puts(m, "oldest peer requests\n"); + seq_print_resource_pending_peer_requests(m, resource, jif); + seq_putc(m, '\n'); + + seq_puts(m, "application requests waiting for activity log\n"); + seq_print_waiting_for_AL(m, resource, jif); + seq_putc(m, '\n'); + + seq_puts(m, "oldest application requests\n"); + seq_print_resource_transfer_log_summary(m, resource, connection, jif); + seq_putc(m, '\n'); + + jif = jiffies - jif; + if (jif) + seq_printf(m, "generated in %d ms\n", jiffies_to_msecs(jif)); + kref_put(&connection->kref, drbd_destroy_connection); + return 0; +} + +/* simple_positive(file->f_dentry) respectively debugfs_positive(), + * but neither is "reachable" from here. + * So we have our own inline version of it above. :-( */ +static inline int debugfs_positive(struct dentry *dentry) +{ + return dentry->d_inode && !d_unhashed(dentry); +} + +/* make sure at *open* time that the respective object won't go away. */ +static int drbd_single_open(struct file *file, int (*show)(struct seq_file *, void *), + void *data, struct kref *kref, + void (*release)(struct kref *)) +{ + struct dentry *parent; + int ret = -ESTALE; + + /* Are we still linked, + * or has debugfs_remove() already been called? */ + parent = file->f_dentry->d_parent; + /* not sure if this can happen: */ + if (!parent || !parent->d_inode) + goto out; + /* serialize with d_delete() */ + mutex_lock(&parent->d_inode->i_mutex); + /* Make sure the object is still alive */ + if (debugfs_positive(file->f_dentry) + && kref_get_unless_zero(kref)) + ret = 0; + mutex_unlock(&parent->d_inode->i_mutex); + if (!ret) { + ret = single_open(file, show, data); + if (ret) + kref_put(kref, release); + } +out: + return ret; +} + +static int in_flight_summary_open(struct inode *inode, struct file *file) +{ + struct drbd_resource *resource = inode->i_private; + return drbd_single_open(file, in_flight_summary_show, resource, + &resource->kref, drbd_destroy_resource); +} + +static int in_flight_summary_release(struct inode *inode, struct file *file) +{ + struct drbd_resource *resource = inode->i_private; + kref_put(&resource->kref, drbd_destroy_resource); + return single_release(inode, file); +} + +static const struct file_operations in_flight_summary_fops = { + .owner = THIS_MODULE, + .open = in_flight_summary_open, + .read = seq_read, + .llseek = seq_lseek, + .release = in_flight_summary_release, +}; + +void drbd_debugfs_resource_add(struct drbd_resource *resource) +{ + struct dentry *dentry; + if (!drbd_debugfs_resources) + return; + + dentry = debugfs_create_dir(resource->name, drbd_debugfs_resources); + if (IS_ERR_OR_NULL(dentry)) + goto fail; + resource->debugfs_res = dentry; + + dentry = debugfs_create_dir("volumes", resource->debugfs_res); + if (IS_ERR_OR_NULL(dentry)) + goto fail; + resource->debugfs_res_volumes = dentry; + + dentry = debugfs_create_dir("connections", resource->debugfs_res); + if (IS_ERR_OR_NULL(dentry)) + goto fail; + resource->debugfs_res_connections = dentry; + + dentry = debugfs_create_file("in_flight_summary", S_IRUSR|S_IRGRP, + resource->debugfs_res, resource, + &in_flight_summary_fops); + if (IS_ERR_OR_NULL(dentry)) + goto fail; + resource->debugfs_res_in_flight_summary = dentry; + return; + +fail: + drbd_debugfs_resource_cleanup(resource); + drbd_err(resource, "failed to create debugfs dentry\n"); +} + +static void drbd_debugfs_remove(struct dentry **dp) +{ + debugfs_remove(*dp); + *dp = NULL; +} + +void drbd_debugfs_resource_cleanup(struct drbd_resource *resource) +{ + /* it is ok to call debugfs_remove(NULL) */ + drbd_debugfs_remove(&resource->debugfs_res_in_flight_summary); + drbd_debugfs_remove(&resource->debugfs_res_connections); + drbd_debugfs_remove(&resource->debugfs_res_volumes); + drbd_debugfs_remove(&resource->debugfs_res); +} + +static void seq_print_one_timing_detail(struct seq_file *m, + const struct drbd_thread_timing_details *tdp, + unsigned long now) +{ + struct drbd_thread_timing_details td; + /* No locking... + * use temporary assignment to get at consistent data. */ + do { + td = *tdp; + } while (td.cb_nr != tdp->cb_nr); + if (!td.cb_addr) + return; + seq_printf(m, "%u\t%d\t%s:%u\t%ps\n", + td.cb_nr, + jiffies_to_msecs(now - td.start_jif), + td.caller_fn, td.line, + td.cb_addr); +} + +static void seq_print_timing_details(struct seq_file *m, + const char *title, + unsigned int cb_nr, struct drbd_thread_timing_details *tdp, unsigned long now) +{ + unsigned int start_idx; + unsigned int i; + + seq_printf(m, "%s\n", title); + /* If not much is going on, this will result in natural ordering. + * If it is very busy, we will possibly skip events, or even see wrap + * arounds, which could only be avoided with locking. + */ + start_idx = cb_nr % DRBD_THREAD_DETAILS_HIST; + for (i = start_idx; i < DRBD_THREAD_DETAILS_HIST; i++) + seq_print_one_timing_detail(m, tdp+i, now); + for (i = 0; i < start_idx; i++) + seq_print_one_timing_detail(m, tdp+i, now); +} + +static int callback_history_show(struct seq_file *m, void *ignored) +{ + struct drbd_connection *connection = m->private; + unsigned long jif = jiffies; + + /* BUMP me if you change the file format/content/presentation */ + seq_printf(m, "v: %u\n\n", 0); + + seq_puts(m, "n\tage\tcallsite\tfn\n"); + seq_print_timing_details(m, "worker", connection->w_cb_nr, connection->w_timing_details, jif); + seq_print_timing_details(m, "receiver", connection->r_cb_nr, connection->r_timing_details, jif); + return 0; +} + +static int callback_history_open(struct inode *inode, struct file *file) +{ + struct drbd_connection *connection = inode->i_private; + return drbd_single_open(file, callback_history_show, connection, + &connection->kref, drbd_destroy_connection); +} + +static int callback_history_release(struct inode *inode, struct file *file) +{ + struct drbd_connection *connection = inode->i_private; + kref_put(&connection->kref, drbd_destroy_connection); + return single_release(inode, file); +} + +static const struct file_operations connection_callback_history_fops = { + .owner = THIS_MODULE, + .open = callback_history_open, + .read = seq_read, + .llseek = seq_lseek, + .release = callback_history_release, +}; + +static int connection_oldest_requests_show(struct seq_file *m, void *ignored) +{ + struct drbd_connection *connection = m->private; + unsigned long now = jiffies; + struct drbd_request *r1, *r2; + + /* BUMP me if you change the file format/content/presentation */ + seq_printf(m, "v: %u\n\n", 0); + + spin_lock_irq(&connection->resource->req_lock); + r1 = connection->req_next; + if (r1) + seq_print_minor_vnr_req(m, r1, now); + r2 = connection->req_ack_pending; + if (r2 && r2 != r1) { + r1 = r2; + seq_print_minor_vnr_req(m, r1, now); + } + r2 = connection->req_not_net_done; + if (r2 && r2 != r1) + seq_print_minor_vnr_req(m, r2, now); + spin_unlock_irq(&connection->resource->req_lock); + return 0; +} + +static int connection_oldest_requests_open(struct inode *inode, struct file *file) +{ + struct drbd_connection *connection = inode->i_private; + return drbd_single_open(file, connection_oldest_requests_show, connection, + &connection->kref, drbd_destroy_connection); +} + +static int connection_oldest_requests_release(struct inode *inode, struct file *file) +{ + struct drbd_connection *connection = inode->i_private; + kref_put(&connection->kref, drbd_destroy_connection); + return single_release(inode, file); +} + +static const struct file_operations connection_oldest_requests_fops = { + .owner = THIS_MODULE, + .open = connection_oldest_requests_open, + .read = seq_read, + .llseek = seq_lseek, + .release = connection_oldest_requests_release, +}; + +void drbd_debugfs_connection_add(struct drbd_connection *connection) +{ + struct dentry *conns_dir = connection->resource->debugfs_res_connections; + struct dentry *dentry; + if (!conns_dir) + return; + + /* Once we enable mutliple peers, + * these connections will have descriptive names. + * For now, it is just the one connection to the (only) "peer". */ + dentry = debugfs_create_dir("peer", conns_dir); + if (IS_ERR_OR_NULL(dentry)) + goto fail; + connection->debugfs_conn = dentry; + + dentry = debugfs_create_file("callback_history", S_IRUSR|S_IRGRP, + connection->debugfs_conn, connection, + &connection_callback_history_fops); + if (IS_ERR_OR_NULL(dentry)) + goto fail; + connection->debugfs_conn_callback_history = dentry; + + dentry = debugfs_create_file("oldest_requests", S_IRUSR|S_IRGRP, + connection->debugfs_conn, connection, + &connection_oldest_requests_fops); + if (IS_ERR_OR_NULL(dentry)) + goto fail; + connection->debugfs_conn_oldest_requests = dentry; + return; + +fail: + drbd_debugfs_connection_cleanup(connection); + drbd_err(connection, "failed to create debugfs dentry\n"); +} + +void drbd_debugfs_connection_cleanup(struct drbd_connection *connection) +{ + drbd_debugfs_remove(&connection->debugfs_conn_callback_history); + drbd_debugfs_remove(&connection->debugfs_conn_oldest_requests); + drbd_debugfs_remove(&connection->debugfs_conn); +} + +static void resync_dump_detail(struct seq_file *m, struct lc_element *e) +{ + struct bm_extent *bme = lc_entry(e, struct bm_extent, lce); + + seq_printf(m, "%5d %s %s %s\n", bme->rs_left, + test_bit(BME_NO_WRITES, &bme->flags) ? "NO_WRITES" : "---------", + test_bit(BME_LOCKED, &bme->flags) ? "LOCKED" : "------", + test_bit(BME_PRIORITY, &bme->flags) ? "PRIORITY" : "--------" + ); +} + +static int device_resync_extents_show(struct seq_file *m, void *ignored) +{ + struct drbd_device *device = m->private; + + /* BUMP me if you change the file format/content/presentation */ + seq_printf(m, "v: %u\n\n", 0); + + if (get_ldev_if_state(device, D_FAILED)) { + lc_seq_printf_stats(m, device->resync); + lc_seq_dump_details(m, device->resync, "rs_left flags", resync_dump_detail); + put_ldev(device); + } + return 0; +} + +static int device_act_log_extents_show(struct seq_file *m, void *ignored) +{ + struct drbd_device *device = m->private; + + /* BUMP me if you change the file format/content/presentation */ + seq_printf(m, "v: %u\n\n", 0); + + if (get_ldev_if_state(device, D_FAILED)) { + lc_seq_printf_stats(m, device->act_log); + lc_seq_dump_details(m, device->act_log, "", NULL); + put_ldev(device); + } + return 0; +} + +static int device_oldest_requests_show(struct seq_file *m, void *ignored) +{ + struct drbd_device *device = m->private; + struct drbd_resource *resource = device->resource; + unsigned long now = jiffies; + struct drbd_request *r1, *r2; + int i; + + /* BUMP me if you change the file format/content/presentation */ + seq_printf(m, "v: %u\n\n", 0); + + seq_puts(m, RQ_HDR); + spin_lock_irq(&resource->req_lock); + /* WRITE, then READ */ + for (i = 1; i >= 0; --i) { + r1 = list_first_entry_or_null(&device->pending_master_completion[i], + struct drbd_request, req_pending_master_completion); + r2 = list_first_entry_or_null(&device->pending_completion[i], + struct drbd_request, req_pending_local); + if (r1) + seq_print_one_request(m, r1, now); + if (r2 && r2 != r1) + seq_print_one_request(m, r2, now); + } + spin_unlock_irq(&resource->req_lock); + return 0; +} + +static int device_data_gen_id_show(struct seq_file *m, void *ignored) +{ + struct drbd_device *device = m->private; + struct drbd_md *md; + enum drbd_uuid_index idx; + + if (!get_ldev_if_state(device, D_FAILED)) + return -ENODEV; + + md = &device->ldev->md; + spin_lock_irq(&md->uuid_lock); + for (idx = UI_CURRENT; idx <= UI_HISTORY_END; idx++) { + seq_printf(m, "0x%016llX\n", md->uuid[idx]); + } + spin_unlock_irq(&md->uuid_lock); + put_ldev(device); + return 0; +} + +#define drbd_debugfs_device_attr(name) \ +static int device_ ## name ## _open(struct inode *inode, struct file *file) \ +{ \ + struct drbd_device *device = inode->i_private; \ + return drbd_single_open(file, device_ ## name ## _show, device, \ + &device->kref, drbd_destroy_device); \ +} \ +static int device_ ## name ## _release(struct inode *inode, struct file *file) \ +{ \ + struct drbd_device *device = inode->i_private; \ + kref_put(&device->kref, drbd_destroy_device); \ + return single_release(inode, file); \ +} \ +static const struct file_operations device_ ## name ## _fops = { \ + .owner = THIS_MODULE, \ + .open = device_ ## name ## _open, \ + .read = seq_read, \ + .llseek = seq_lseek, \ + .release = device_ ## name ## _release, \ +}; + +drbd_debugfs_device_attr(oldest_requests) +drbd_debugfs_device_attr(act_log_extents) +drbd_debugfs_device_attr(resync_extents) +drbd_debugfs_device_attr(data_gen_id) + +void drbd_debugfs_device_add(struct drbd_device *device) +{ + struct dentry *vols_dir = device->resource->debugfs_res_volumes; + char minor_buf[8]; /* MINORMASK, MINORBITS == 20; */ + char vnr_buf[8]; /* volume number vnr is even 16 bit only; */ + char *slink_name = NULL; + + struct dentry *dentry; + if (!vols_dir || !drbd_debugfs_minors) + return; + + snprintf(vnr_buf, sizeof(vnr_buf), "%u", device->vnr); + dentry = debugfs_create_dir(vnr_buf, vols_dir); + if (IS_ERR_OR_NULL(dentry)) + goto fail; + device->debugfs_vol = dentry; + + snprintf(minor_buf, sizeof(minor_buf), "%u", device->minor); + slink_name = kasprintf(GFP_KERNEL, "../resources/%s/volumes/%u", + device->resource->name, device->vnr); + if (!slink_name) + goto fail; + dentry = debugfs_create_symlink(minor_buf, drbd_debugfs_minors, slink_name); + kfree(slink_name); + slink_name = NULL; + if (IS_ERR_OR_NULL(dentry)) + goto fail; + device->debugfs_minor = dentry; + +#define DCF(name) do { \ + dentry = debugfs_create_file(#name, S_IRUSR|S_IRGRP, \ + device->debugfs_vol, device, \ + &device_ ## name ## _fops); \ + if (IS_ERR_OR_NULL(dentry)) \ + goto fail; \ + device->debugfs_vol_ ## name = dentry; \ + } while (0) + + DCF(oldest_requests); + DCF(act_log_extents); + DCF(resync_extents); + DCF(data_gen_id); +#undef DCF + return; + +fail: + drbd_debugfs_device_cleanup(device); + drbd_err(device, "failed to create debugfs entries\n"); +} + +void drbd_debugfs_device_cleanup(struct drbd_device *device) +{ + drbd_debugfs_remove(&device->debugfs_minor); + drbd_debugfs_remove(&device->debugfs_vol_oldest_requests); + drbd_debugfs_remove(&device->debugfs_vol_act_log_extents); + drbd_debugfs_remove(&device->debugfs_vol_resync_extents); + drbd_debugfs_remove(&device->debugfs_vol_data_gen_id); + drbd_debugfs_remove(&device->debugfs_vol); +} + +void drbd_debugfs_peer_device_add(struct drbd_peer_device *peer_device) +{ + struct dentry *conn_dir = peer_device->connection->debugfs_conn; + struct dentry *dentry; + char vnr_buf[8]; + + if (!conn_dir) + return; + + snprintf(vnr_buf, sizeof(vnr_buf), "%u", peer_device->device->vnr); + dentry = debugfs_create_dir(vnr_buf, conn_dir); + if (IS_ERR_OR_NULL(dentry)) + goto fail; + peer_device->debugfs_peer_dev = dentry; + return; + +fail: + drbd_debugfs_peer_device_cleanup(peer_device); + drbd_err(peer_device, "failed to create debugfs entries\n"); +} + +void drbd_debugfs_peer_device_cleanup(struct drbd_peer_device *peer_device) +{ + drbd_debugfs_remove(&peer_device->debugfs_peer_dev); +} + +static int drbd_version_show(struct seq_file *m, void *ignored) +{ + seq_printf(m, "# %s\n", drbd_buildtag()); + seq_printf(m, "VERSION=%s\n", REL_VERSION); + seq_printf(m, "API_VERSION=%u\n", API_VERSION); + seq_printf(m, "PRO_VERSION_MIN=%u\n", PRO_VERSION_MIN); + seq_printf(m, "PRO_VERSION_MAX=%u\n", PRO_VERSION_MAX); + return 0; +} + +static int drbd_version_open(struct inode *inode, struct file *file) +{ + return single_open(file, drbd_version_show, NULL); +} + +static struct file_operations drbd_version_fops = { + .owner = THIS_MODULE, + .open = drbd_version_open, + .llseek = seq_lseek, + .read = seq_read, + .release = single_release, +}; + +/* not __exit, may be indirectly called + * from the module-load-failure path as well. */ +void drbd_debugfs_cleanup(void) +{ + drbd_debugfs_remove(&drbd_debugfs_resources); + drbd_debugfs_remove(&drbd_debugfs_minors); + drbd_debugfs_remove(&drbd_debugfs_version); + drbd_debugfs_remove(&drbd_debugfs_root); +} + +int __init drbd_debugfs_init(void) +{ + struct dentry *dentry; + + dentry = debugfs_create_dir("drbd", NULL); + if (IS_ERR_OR_NULL(dentry)) + goto fail; + drbd_debugfs_root = dentry; + + dentry = debugfs_create_file("version", 0444, drbd_debugfs_root, NULL, &drbd_version_fops); + if (IS_ERR_OR_NULL(dentry)) + goto fail; + drbd_debugfs_version = dentry; + + dentry = debugfs_create_dir("resources", drbd_debugfs_root); + if (IS_ERR_OR_NULL(dentry)) + goto fail; + drbd_debugfs_resources = dentry; + + dentry = debugfs_create_dir("minors", drbd_debugfs_root); + if (IS_ERR_OR_NULL(dentry)) + goto fail; + drbd_debugfs_minors = dentry; + return 0; + +fail: + drbd_debugfs_cleanup(); + if (dentry) + return PTR_ERR(dentry); + else + return -EINVAL; +} diff --git a/drivers/block/drbd/drbd_debugfs.h b/drivers/block/drbd/drbd_debugfs.h new file mode 100644 index 000000000000..8bee21340dce --- /dev/null +++ b/drivers/block/drbd/drbd_debugfs.h @@ -0,0 +1,39 @@ +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/debugfs.h> + +#include "drbd_int.h" + +#ifdef CONFIG_DEBUG_FS +int __init drbd_debugfs_init(void); +void drbd_debugfs_cleanup(void); + +void drbd_debugfs_resource_add(struct drbd_resource *resource); +void drbd_debugfs_resource_cleanup(struct drbd_resource *resource); + +void drbd_debugfs_connection_add(struct drbd_connection *connection); +void drbd_debugfs_connection_cleanup(struct drbd_connection *connection); + +void drbd_debugfs_device_add(struct drbd_device *device); +void drbd_debugfs_device_cleanup(struct drbd_device *device); + +void drbd_debugfs_peer_device_add(struct drbd_peer_device *peer_device); +void drbd_debugfs_peer_device_cleanup(struct drbd_peer_device *peer_device); +#else + +static inline int __init drbd_debugfs_init(void) { return -ENODEV; } +static inline void drbd_debugfs_cleanup(void) { } + +static inline void drbd_debugfs_resource_add(struct drbd_resource *resource) { } +static inline void drbd_debugfs_resource_cleanup(struct drbd_resource *resource) { } + +static inline void drbd_debugfs_connection_add(struct drbd_connection *connection) { } +static inline void drbd_debugfs_connection_cleanup(struct drbd_connection *connection) { } + +static inline void drbd_debugfs_device_add(struct drbd_device *device) { } +static inline void drbd_debugfs_device_cleanup(struct drbd_device *device) { } + +static inline void drbd_debugfs_peer_device_add(struct drbd_peer_device *peer_device) { } +static inline void drbd_debugfs_peer_device_cleanup(struct drbd_peer_device *peer_device) { } + +#endif diff --git a/drivers/block/drbd/drbd_int.h b/drivers/block/drbd/drbd_int.h index a76ceb344d64..1a000016ccdf 100644 --- a/drivers/block/drbd/drbd_int.h +++ b/drivers/block/drbd/drbd_int.h @@ -317,7 +317,63 @@ struct drbd_request { struct list_head tl_requests; /* ring list in the transfer log */ struct bio *master_bio; /* master bio pointer */ - unsigned long start_time; + + /* see struct drbd_device */ + struct list_head req_pending_master_completion; + struct list_head req_pending_local; + + /* for generic IO accounting */ + unsigned long start_jif; + + /* for DRBD internal statistics */ + + /* Minimal set of time stamps to determine if we wait for activity log + * transactions, local disk or peer. 32 bit "jiffies" are good enough, + * we don't expect a DRBD request to be stalled for several month. + */ + + /* before actual request processing */ + unsigned long in_actlog_jif; + + /* local disk */ + unsigned long pre_submit_jif; + + /* per connection */ + unsigned long pre_send_jif; + unsigned long acked_jif; + unsigned long net_done_jif; + + /* Possibly even more detail to track each phase: + * master_completion_jif + * how long did it take to complete the master bio + * (application visible latency) + * allocated_jif + * how long the master bio was blocked until we finally allocated + * a tracking struct + * in_actlog_jif + * how long did we wait for activity log transactions + * + * net_queued_jif + * when did we finally queue it for sending + * pre_send_jif + * when did we start sending it + * post_send_jif + * how long did we block in the network stack trying to send it + * acked_jif + * when did we receive (or fake, in protocol A) a remote ACK + * net_done_jif + * when did we receive final acknowledgement (P_BARRIER_ACK), + * or decide, e.g. on connection loss, that we do no longer expect + * anything from this peer for this request. + * + * pre_submit_jif + * post_sub_jif + * when did we start submiting to the lower level device, + * and how long did we block in that submit function + * local_completion_jif + * how long did it take the lower level device to complete this request + */ + /* once it hits 0, we may complete the master_bio */ atomic_t completion_ref; @@ -366,6 +422,7 @@ struct drbd_peer_request { struct drbd_interval i; /* see comments on ee flag bits below */ unsigned long flags; + unsigned long submit_jif; union { u64 block_id; struct digest_info *digest; @@ -408,6 +465,17 @@ enum { /* Is set when net_conf had two_primaries set while creating this peer_req */ __EE_IN_INTERVAL_TREE, + + /* for debugfs: */ + /* has this been submitted, or does it still wait for something else? */ + __EE_SUBMITTED, + + /* this is/was a write request */ + __EE_WRITE, + + /* this originates from application on peer + * (not some resync or verify or other DRBD internal request) */ + __EE_APPLICATION, }; #define EE_CALL_AL_COMPLETE_IO (1<<__EE_CALL_AL_COMPLETE_IO) #define EE_MAY_SET_IN_SYNC (1<<__EE_MAY_SET_IN_SYNC) @@ -419,6 +487,9 @@ enum { #define EE_RESTART_REQUESTS (1<<__EE_RESTART_REQUESTS) #define EE_SEND_WRITE_ACK (1<<__EE_SEND_WRITE_ACK) #define EE_IN_INTERVAL_TREE (1<<__EE_IN_INTERVAL_TREE) +#define EE_SUBMITTED (1<<__EE_SUBMITTED) +#define EE_WRITE (1<<__EE_WRITE) +#define EE_APPLICATION (1<<__EE_APPLICATION) /* flag bits per device */ enum { @@ -433,11 +504,11 @@ enum { CONSIDER_RESYNC, MD_NO_FUA, /* Users wants us to not use FUA/FLUSH on meta data dev */ + SUSPEND_IO, /* suspend application io */ BITMAP_IO, /* suspend application io; once no more io in flight, start bitmap io */ BITMAP_IO_QUEUED, /* Started bitmap IO */ - GO_DISKLESS, /* Disk is being detached, on io-error or admin request. */ WAS_IO_ERROR, /* Local disk failed, returned IO error */ WAS_READ_ERROR, /* Local disk READ failed (set additionally to the above) */ FORCE_DETACH, /* Force-detach from local disk, aborting any pending local IO */ @@ -450,6 +521,20 @@ enum { B_RS_H_DONE, /* Before resync handler done (already executed) */ DISCARD_MY_DATA, /* discard_my_data flag per volume */ READ_BALANCE_RR, + + FLUSH_PENDING, /* if set, device->flush_jif is when we submitted that flush + * from drbd_flush_after_epoch() */ + + /* cleared only after backing device related structures have been destroyed. */ + GOING_DISKLESS, /* Disk is being detached, because of io-error, or admin request. */ + + /* to be used in drbd_device_post_work() */ + GO_DISKLESS, /* tell worker to schedule cleanup before detach */ + DESTROY_DISK, /* tell worker to close backing devices and destroy related structures. */ + MD_SYNC, /* tell worker to call drbd_md_sync() */ + RS_START, /* tell worker to start resync/OV */ + RS_PROGRESS, /* tell worker that resync made significant progress */ + RS_DONE, /* tell worker that resync is done */ }; struct drbd_bitmap; /* opaque for drbd_device */ @@ -531,6 +616,11 @@ struct drbd_backing_dev { }; struct drbd_md_io { + struct page *page; + unsigned long start_jif; /* last call to drbd_md_get_buffer */ + unsigned long submit_jif; /* last _drbd_md_sync_page_io() submit */ + const char *current_use; + atomic_t in_use; unsigned int done; int error; }; @@ -577,10 +667,18 @@ enum { * and potentially deadlock on, this drbd worker. */ DISCONNECT_SENT, + + DEVICE_WORK_PENDING, /* tell worker that some device has pending work */ }; struct drbd_resource { char *name; +#ifdef CONFIG_DEBUG_FS + struct dentry *debugfs_res; + struct dentry *debugfs_res_volumes; + struct dentry *debugfs_res_connections; + struct dentry *debugfs_res_in_flight_summary; +#endif struct kref kref; struct idr devices; /* volume number to device mapping */ struct list_head connections; @@ -594,12 +692,28 @@ struct drbd_resource { unsigned susp_nod:1; /* IO suspended because no data */ unsigned susp_fen:1; /* IO suspended because fence peer handler runs */ + enum write_ordering_e write_ordering; + cpumask_var_t cpu_mask; }; +struct drbd_thread_timing_details +{ + unsigned long start_jif; + void *cb_addr; + const char *caller_fn; + unsigned int line; + unsigned int cb_nr; +}; + struct drbd_connection { struct list_head connections; struct drbd_resource *resource; +#ifdef CONFIG_DEBUG_FS + struct dentry *debugfs_conn; + struct dentry *debugfs_conn_callback_history; + struct dentry *debugfs_conn_oldest_requests; +#endif struct kref kref; struct idr peer_devices; /* volume number to peer device mapping */ enum drbd_conns cstate; /* Only C_STANDALONE to C_WF_REPORT_PARAMS */ @@ -636,7 +750,6 @@ struct drbd_connection { struct drbd_epoch *current_epoch; spinlock_t epoch_lock; unsigned int epochs; - enum write_ordering_e write_ordering; atomic_t current_tle_nr; /* transfer log epoch number */ unsigned current_tle_writes; /* writes seen within this tl epoch */ @@ -645,9 +758,22 @@ struct drbd_connection { struct drbd_thread worker; struct drbd_thread asender; + /* cached pointers, + * so we can look up the oldest pending requests more quickly. + * protected by resource->req_lock */ + struct drbd_request *req_next; /* DRBD 9: todo.req_next */ + struct drbd_request *req_ack_pending; + struct drbd_request *req_not_net_done; + /* sender side */ struct drbd_work_queue sender_work; +#define DRBD_THREAD_DETAILS_HIST 16 + unsigned int w_cb_nr; /* keeps counting up */ + unsigned int r_cb_nr; /* keeps counting up */ + struct drbd_thread_timing_details w_timing_details[DRBD_THREAD_DETAILS_HIST]; + struct drbd_thread_timing_details r_timing_details[DRBD_THREAD_DETAILS_HIST]; + struct { /* whether this sender thread * has processed a single write yet. */ @@ -663,11 +789,22 @@ struct drbd_connection { } send; }; +void __update_timing_details( + struct drbd_thread_timing_details *tdp, + unsigned int *cb_nr, + void *cb, + const char *fn, const unsigned int line); + +#define update_worker_timing_details(c, cb) \ + __update_timing_details(c->w_timing_details, &c->w_cb_nr, cb, __func__ , __LINE__ ) +#define update_receiver_timing_details(c, cb) \ + __update_timing_details(c->r_timing_details, &c->r_cb_nr, cb, __func__ , __LINE__ ) + struct submit_worker { struct workqueue_struct *wq; struct work_struct worker; - spinlock_t lock; + /* protected by ..->resource->req_lock */ struct list_head writes; }; @@ -675,12 +812,29 @@ struct drbd_peer_device { struct list_head peer_devices; struct drbd_device *device; struct drbd_connection *connection; +#ifdef CONFIG_DEBUG_FS + struct dentry *debugfs_peer_dev; +#endif }; struct drbd_device { struct drbd_resource *resource; struct list_head peer_devices; - int vnr; /* volume number within the connection */ + struct list_head pending_bitmap_io; + + unsigned long flush_jif; +#ifdef CONFIG_DEBUG_FS + struct dentry *debugfs_minor; + struct dentry *debugfs_vol; + struct dentry *debugfs_vol_oldest_requests; + struct dentry *debugfs_vol_act_log_extents; + struct dentry *debugfs_vol_resync_extents; + struct dentry *debugfs_vol_data_gen_id; +#endif + + unsigned int vnr; /* volume number within the connection */ + unsigned int minor; /* device minor number */ + struct kref kref; /* things that are stored as / read from meta data on disk */ @@ -697,19 +851,10 @@ struct drbd_device { unsigned long last_reattach_jif; struct drbd_work resync_work; struct drbd_work unplug_work; - struct drbd_work go_diskless; - struct drbd_work md_sync_work; - struct drbd_work start_resync_work; struct timer_list resync_timer; struct timer_list md_sync_timer; struct timer_list start_resync_timer; struct timer_list request_timer; -#ifdef DRBD_DEBUG_MD_SYNC - struct { - unsigned int line; - const char* func; - } last_md_mark_dirty; -#endif /* Used after attach while negotiating new disk state. */ union drbd_state new_state_tmp; @@ -724,6 +869,7 @@ struct drbd_device { unsigned int al_writ_cnt; unsigned int bm_writ_cnt; atomic_t ap_bio_cnt; /* Requests we need to complete */ + atomic_t ap_actlog_cnt; /* Requests waiting for activity log */ atomic_t ap_pending_cnt; /* AP data packets on the wire, ack expected */ atomic_t rs_pending_cnt; /* RS request/data packets on the wire */ atomic_t unacked_cnt; /* Need to send replies for */ @@ -733,6 +879,13 @@ struct drbd_device { struct rb_root read_requests; struct rb_root write_requests; + /* for statistics and timeouts */ + /* [0] read, [1] write */ + struct list_head pending_master_completion[2]; + struct list_head pending_completion[2]; + + /* use checksums for *this* resync */ + bool use_csums; /* blocks to resync in this run [unit BM_BLOCK_SIZE] */ unsigned long rs_total; /* number of resync blocks that failed in this run */ @@ -788,9 +941,7 @@ struct drbd_device { atomic_t pp_in_use; /* allocated from page pool */ atomic_t pp_in_use_by_net; /* sendpage()d, still referenced by tcp */ wait_queue_head_t ee_wait; - struct page *md_io_page; /* one page buffer for md_io */ struct drbd_md_io md_io; - atomic_t md_io_in_use; /* protects the md_io, md_io_page and md_io_tmpp */ spinlock_t al_lock; wait_queue_head_t al_wait; struct lru_cache *act_log; /* activity log */ @@ -800,7 +951,6 @@ struct drbd_device { atomic_t packet_seq; unsigned int peer_seq; spinlock_t peer_seq_lock; - unsigned int minor; unsigned long comm_bm_set; /* communicated number of set bits. */ struct bm_io_work bm_io_work; u64 ed_uuid; /* UUID of the exposed data */ @@ -824,6 +974,21 @@ struct drbd_device { struct submit_worker submit; }; +struct drbd_bm_aio_ctx { + struct drbd_device *device; + struct list_head list; /* on device->pending_bitmap_io */; + unsigned long start_jif; + atomic_t in_flight; + unsigned int done; + unsigned flags; +#define BM_AIO_COPY_PAGES 1 +#define BM_AIO_WRITE_HINTED 2 +#define BM_AIO_WRITE_ALL_PAGES 4 +#define BM_AIO_READ 8 + int error; + struct kref kref; +}; + struct drbd_config_context { /* assigned from drbd_genlmsghdr */ unsigned int minor; @@ -949,7 +1114,7 @@ extern int drbd_send_ov_request(struct drbd_peer_device *, sector_t sector, int extern int drbd_send_bitmap(struct drbd_device *device); extern void drbd_send_sr_reply(struct drbd_peer_device *, enum drbd_state_rv retcode); extern void conn_send_sr_reply(struct drbd_connection *connection, enum drbd_state_rv retcode); -extern void drbd_free_bc(struct drbd_backing_dev *ldev); +extern void drbd_free_ldev(struct drbd_backing_dev *ldev); extern void drbd_device_cleanup(struct drbd_device *device); void drbd_print_uuids(struct drbd_device *device, const char *text); @@ -966,13 +1131,7 @@ extern void __drbd_uuid_set(struct drbd_device *device, int idx, u64 val) __must extern void drbd_md_set_flag(struct drbd_device *device, int flags) __must_hold(local); extern void drbd_md_clear_flag(struct drbd_device *device, int flags)__must_hold(local); extern int drbd_md_test_flag(struct drbd_backing_dev *, int); -#ifndef DRBD_DEBUG_MD_SYNC extern void drbd_md_mark_dirty(struct drbd_device *device); -#else -#define drbd_md_mark_dirty(m) drbd_md_mark_dirty_(m, __LINE__ , __func__ ) -extern void drbd_md_mark_dirty_(struct drbd_device *device, - unsigned int line, const char *func); -#endif extern void drbd_queue_bitmap_io(struct drbd_device *device, int (*io_fn)(struct drbd_device *), void (*done)(struct drbd_device *, int), @@ -983,9 +1142,8 @@ extern int drbd_bitmap_io(struct drbd_device *device, extern int drbd_bitmap_io_from_worker(struct drbd_device *device, int (*io_fn)(struct drbd_device *), char *why, enum bm_flag flags); -extern int drbd_bmio_set_n_write(struct drbd_device *device); -extern int drbd_bmio_clear_n_write(struct drbd_device *device); -extern void drbd_ldev_destroy(struct drbd_device *device); +extern int drbd_bmio_set_n_write(struct drbd_device *device) __must_hold(local); +extern int drbd_bmio_clear_n_write(struct drbd_device *device) __must_hold(local); /* Meta data layout * @@ -1105,17 +1263,21 @@ struct bm_extent { /* in which _bitmap_ extent (resp. sector) the bit for a certain * _storage_ sector is located in */ #define BM_SECT_TO_EXT(x) ((x)>>(BM_EXT_SHIFT-9)) +#define BM_BIT_TO_EXT(x) ((x) >> (BM_EXT_SHIFT - BM_BLOCK_SHIFT)) -/* how much _storage_ sectors we have per bitmap sector */ +/* first storage sector a bitmap extent corresponds to */ #define BM_EXT_TO_SECT(x) ((sector_t)(x) << (BM_EXT_SHIFT-9)) +/* how much _storage_ sectors we have per bitmap extent */ #define BM_SECT_PER_EXT BM_EXT_TO_SECT(1) +/* how many bits are covered by one bitmap extent (resync extent) */ +#define BM_BITS_PER_EXT (1UL << (BM_EXT_SHIFT - BM_BLOCK_SHIFT)) + +#define BM_BLOCKS_PER_BM_EXT_MASK (BM_BITS_PER_EXT - 1) + /* in one sector of the bitmap, we have this many activity_log extents. */ #define AL_EXT_PER_BM_SECT (1 << (BM_EXT_SHIFT - AL_EXTENT_SHIFT)) -#define BM_BLOCKS_PER_BM_EXT_B (BM_EXT_SHIFT - BM_BLOCK_SHIFT) -#define BM_BLOCKS_PER_BM_EXT_MASK ((1<<BM_BLOCKS_PER_BM_EXT_B) - 1) - /* the extent in "PER_EXTENT" below is an activity log extent * we need that many (long words/bytes) to store the bitmap * of one AL_EXTENT_SIZE chunk of storage. @@ -1195,11 +1357,11 @@ extern void _drbd_bm_set_bits(struct drbd_device *device, const unsigned long s, const unsigned long e); extern int drbd_bm_test_bit(struct drbd_device *device, unsigned long bitnr); extern int drbd_bm_e_weight(struct drbd_device *device, unsigned long enr); -extern int drbd_bm_write_page(struct drbd_device *device, unsigned int idx) __must_hold(local); extern int drbd_bm_read(struct drbd_device *device) __must_hold(local); extern void drbd_bm_mark_for_writeout(struct drbd_device *device, int page_nr); extern int drbd_bm_write(struct drbd_device *device) __must_hold(local); extern int drbd_bm_write_hinted(struct drbd_device *device) __must_hold(local); +extern int drbd_bm_write_lazy(struct drbd_device *device, unsigned upper_idx) __must_hold(local); extern int drbd_bm_write_all(struct drbd_device *device) __must_hold(local); extern int drbd_bm_write_copy_pages(struct drbd_device *device) __must_hold(local); extern size_t drbd_bm_words(struct drbd_device *device); @@ -1213,7 +1375,6 @@ extern unsigned long _drbd_bm_find_next(struct drbd_device *device, unsigned lon extern unsigned long _drbd_bm_find_next_zero(struct drbd_device *device, unsigned long bm_fo); extern unsigned long _drbd_bm_total_weight(struct drbd_device *device); extern unsigned long drbd_bm_total_weight(struct drbd_device *device); -extern int drbd_bm_rs_done(struct drbd_device *device); /* for receive_bitmap */ extern void drbd_bm_merge_lel(struct drbd_device *device, size_t offset, size_t number, unsigned long *buffer); @@ -1312,7 +1473,7 @@ enum determine_dev_size { extern enum determine_dev_size drbd_determine_dev_size(struct drbd_device *, enum dds_flags, struct resize_parms *) __must_hold(local); extern void resync_after_online_grow(struct drbd_device *); -extern void drbd_reconsider_max_bio_size(struct drbd_device *device); +extern void drbd_reconsider_max_bio_size(struct drbd_device *device, struct drbd_backing_dev *bdev); extern enum drbd_state_rv drbd_set_role(struct drbd_device *device, enum drbd_role new_role, int force); @@ -1333,7 +1494,7 @@ extern void resume_next_sg(struct drbd_device *device); extern void suspend_other_sg(struct drbd_device *device); extern int drbd_resync_finished(struct drbd_device *device); /* maybe rather drbd_main.c ? */ -extern void *drbd_md_get_buffer(struct drbd_device *device); +extern void *drbd_md_get_buffer(struct drbd_device *device, const char *intent); extern void drbd_md_put_buffer(struct drbd_device *device); extern int drbd_md_sync_page_io(struct drbd_device *device, struct drbd_backing_dev *bdev, sector_t sector, int rw); @@ -1380,7 +1541,8 @@ extern void drbd_endio_write_sec_final(struct drbd_peer_request *peer_req); extern int drbd_receiver(struct drbd_thread *thi); extern int drbd_asender(struct drbd_thread *thi); extern bool drbd_rs_c_min_rate_throttle(struct drbd_device *device); -extern bool drbd_rs_should_slow_down(struct drbd_device *device, sector_t sector); +extern bool drbd_rs_should_slow_down(struct drbd_device *device, sector_t sector, + bool throttle_if_app_is_waiting); extern int drbd_submit_peer_request(struct drbd_device *, struct drbd_peer_request *, const unsigned, const int); @@ -1464,10 +1626,7 @@ static inline void drbd_generic_make_request(struct drbd_device *device, { __release(local); if (!bio->bi_bdev) { - printk(KERN_ERR "drbd%d: drbd_generic_make_request: " - "bio->bi_bdev == NULL\n", - device_to_minor(device)); - dump_stack(); + drbd_err(device, "drbd_generic_make_request: bio->bi_bdev == NULL\n"); bio_endio(bio, -ENODEV); return; } @@ -1478,7 +1637,8 @@ static inline void drbd_generic_make_request(struct drbd_device *device, generic_make_request(bio); } -void drbd_bump_write_ordering(struct drbd_connection *connection, enum write_ordering_e wo); +void drbd_bump_write_ordering(struct drbd_resource *resource, struct drbd_backing_dev *bdev, + enum write_ordering_e wo); /* drbd_proc.c */ extern struct proc_dir_entry *drbd_proc; @@ -1489,9 +1649,9 @@ extern const char *drbd_role_str(enum drbd_role s); /* drbd_actlog.c */ extern bool drbd_al_begin_io_prepare(struct drbd_device *device, struct drbd_interval *i); extern int drbd_al_begin_io_nonblock(struct drbd_device *device, struct drbd_interval *i); -extern void drbd_al_begin_io_commit(struct drbd_device *device, bool delegate); +extern void drbd_al_begin_io_commit(struct drbd_device *device); extern bool drbd_al_begin_io_fastpath(struct drbd_device *device, struct drbd_interval *i); -extern void drbd_al_begin_io(struct drbd_device *device, struct drbd_interval *i, bool delegate); +extern void drbd_al_begin_io(struct drbd_device *device, struct drbd_interval *i); extern void drbd_al_complete_io(struct drbd_device *device, struct drbd_interval *i); extern void drbd_rs_complete_io(struct drbd_device *device, sector_t sector); extern int drbd_rs_begin_io(struct drbd_device *device, sector_t sector); @@ -1501,14 +1661,17 @@ extern int drbd_rs_del_all(struct drbd_device *device); extern void drbd_rs_failed_io(struct drbd_device *device, sector_t sector, int size); extern void drbd_advance_rs_marks(struct drbd_device *device, unsigned long still_to_go); -extern void __drbd_set_in_sync(struct drbd_device *device, sector_t sector, - int size, const char *file, const unsigned int line); + +enum update_sync_bits_mode { RECORD_RS_FAILED, SET_OUT_OF_SYNC, SET_IN_SYNC }; +extern int __drbd_change_sync(struct drbd_device *device, sector_t sector, int size, + enum update_sync_bits_mode mode, + const char *file, const unsigned int line); #define drbd_set_in_sync(device, sector, size) \ - __drbd_set_in_sync(device, sector, size, __FILE__, __LINE__) -extern int __drbd_set_out_of_sync(struct drbd_device *device, sector_t sector, - int size, const char *file, const unsigned int line); + __drbd_change_sync(device, sector, size, SET_IN_SYNC, __FILE__, __LINE__) #define drbd_set_out_of_sync(device, sector, size) \ - __drbd_set_out_of_sync(device, sector, size, __FILE__, __LINE__) + __drbd_change_sync(device, sector, size, SET_OUT_OF_SYNC, __FILE__, __LINE__) +#define drbd_rs_failed_io(device, sector, size) \ + __drbd_change_sync(device, sector, size, RECORD_RS_FAILED, __FILE__, __LINE__) extern void drbd_al_shrink(struct drbd_device *device); extern int drbd_initialize_al(struct drbd_device *, void *); @@ -1764,25 +1927,38 @@ static inline sector_t drbd_md_ss(struct drbd_backing_dev *bdev) } static inline void -drbd_queue_work_front(struct drbd_work_queue *q, struct drbd_work *w) +drbd_queue_work(struct drbd_work_queue *q, struct drbd_work *w) { unsigned long flags; spin_lock_irqsave(&q->q_lock, flags); - list_add(&w->list, &q->q); + list_add_tail(&w->list, &q->q); spin_unlock_irqrestore(&q->q_lock, flags); wake_up(&q->q_wait); } static inline void -drbd_queue_work(struct drbd_work_queue *q, struct drbd_work *w) +drbd_queue_work_if_unqueued(struct drbd_work_queue *q, struct drbd_work *w) { unsigned long flags; spin_lock_irqsave(&q->q_lock, flags); - list_add_tail(&w->list, &q->q); + if (list_empty_careful(&w->list)) + list_add_tail(&w->list, &q->q); spin_unlock_irqrestore(&q->q_lock, flags); wake_up(&q->q_wait); } +static inline void +drbd_device_post_work(struct drbd_device *device, int work_bit) +{ + if (!test_and_set_bit(work_bit, &device->flags)) { + struct drbd_connection *connection = + first_peer_device(device)->connection; + struct drbd_work_queue *q = &connection->sender_work; + if (!test_and_set_bit(DEVICE_WORK_PENDING, &connection->flags)) + wake_up(&q->q_wait); + } +} + extern void drbd_flush_workqueue(struct drbd_work_queue *work_queue); static inline void wake_asender(struct drbd_connection *connection) @@ -1859,7 +2035,7 @@ static inline void inc_ap_pending(struct drbd_device *device) func, line, \ atomic_read(&device->which)) -#define dec_ap_pending(device) _dec_ap_pending(device, __FUNCTION__, __LINE__) +#define dec_ap_pending(device) _dec_ap_pending(device, __func__, __LINE__) static inline void _dec_ap_pending(struct drbd_device *device, const char *func, int line) { if (atomic_dec_and_test(&device->ap_pending_cnt)) @@ -1878,7 +2054,7 @@ static inline void inc_rs_pending(struct drbd_device *device) atomic_inc(&device->rs_pending_cnt); } -#define dec_rs_pending(device) _dec_rs_pending(device, __FUNCTION__, __LINE__) +#define dec_rs_pending(device) _dec_rs_pending(device, __func__, __LINE__) static inline void _dec_rs_pending(struct drbd_device *device, const char *func, int line) { atomic_dec(&device->rs_pending_cnt); @@ -1899,20 +2075,29 @@ static inline void inc_unacked(struct drbd_device *device) atomic_inc(&device->unacked_cnt); } -#define dec_unacked(device) _dec_unacked(device, __FUNCTION__, __LINE__) +#define dec_unacked(device) _dec_unacked(device, __func__, __LINE__) static inline void _dec_unacked(struct drbd_device *device, const char *func, int line) { atomic_dec(&device->unacked_cnt); ERR_IF_CNT_IS_NEGATIVE(unacked_cnt, func, line); } -#define sub_unacked(device, n) _sub_unacked(device, n, __FUNCTION__, __LINE__) +#define sub_unacked(device, n) _sub_unacked(device, n, __func__, __LINE__) static inline void _sub_unacked(struct drbd_device *device, int n, const char *func, int line) { atomic_sub(n, &device->unacked_cnt); ERR_IF_CNT_IS_NEGATIVE(unacked_cnt, func, line); } +static inline bool is_sync_state(enum drbd_conns connection_state) +{ + return + (connection_state == C_SYNC_SOURCE + || connection_state == C_SYNC_TARGET + || connection_state == C_PAUSED_SYNC_S + || connection_state == C_PAUSED_SYNC_T); +} + /** * get_ldev() - Increase the ref count on device->ldev. Returns 0 if there is no ldev * @M: DRBD device. @@ -1924,6 +2109,11 @@ static inline void _sub_unacked(struct drbd_device *device, int n, const char *f static inline void put_ldev(struct drbd_device *device) { + enum drbd_disk_state ds = device->state.disk; + /* We must check the state *before* the atomic_dec becomes visible, + * or we have a theoretical race where someone hitting zero, + * while state still D_FAILED, will then see D_DISKLESS in the + * condition below and calling into destroy, where he must not, yet. */ int i = atomic_dec_return(&device->local_cnt); /* This may be called from some endio handler, @@ -1932,15 +2122,13 @@ static inline void put_ldev(struct drbd_device *device) __release(local); D_ASSERT(device, i >= 0); if (i == 0) { - if (device->state.disk == D_DISKLESS) + if (ds == D_DISKLESS) /* even internal references gone, safe to destroy */ - drbd_ldev_destroy(device); - if (device->state.disk == D_FAILED) { + drbd_device_post_work(device, DESTROY_DISK); + if (ds == D_FAILED) /* all application IO references gone. */ - if (!test_and_set_bit(GO_DISKLESS, &device->flags)) - drbd_queue_work(&first_peer_device(device)->connection->sender_work, - &device->go_diskless); - } + if (!test_and_set_bit(GOING_DISKLESS, &device->flags)) + drbd_device_post_work(device, GO_DISKLESS); wake_up(&device->misc_wait); } } @@ -1964,54 +2152,6 @@ static inline int _get_ldev_if_state(struct drbd_device *device, enum drbd_disk_ extern int _get_ldev_if_state(struct drbd_device *device, enum drbd_disk_state mins); #endif -/* you must have an "get_ldev" reference */ -static inline void drbd_get_syncer_progress(struct drbd_device *device, - unsigned long *bits_left, unsigned int *per_mil_done) -{ - /* this is to break it at compile time when we change that, in case we - * want to support more than (1<<32) bits on a 32bit arch. */ - typecheck(unsigned long, device->rs_total); - - /* note: both rs_total and rs_left are in bits, i.e. in - * units of BM_BLOCK_SIZE. - * for the percentage, we don't care. */ - - if (device->state.conn == C_VERIFY_S || device->state.conn == C_VERIFY_T) - *bits_left = device->ov_left; - else - *bits_left = drbd_bm_total_weight(device) - device->rs_failed; - /* >> 10 to prevent overflow, - * +1 to prevent division by zero */ - if (*bits_left > device->rs_total) { - /* doh. maybe a logic bug somewhere. - * may also be just a race condition - * between this and a disconnect during sync. - * for now, just prevent in-kernel buffer overflow. - */ - smp_rmb(); - drbd_warn(device, "cs:%s rs_left=%lu > rs_total=%lu (rs_failed %lu)\n", - drbd_conn_str(device->state.conn), - *bits_left, device->rs_total, device->rs_failed); - *per_mil_done = 0; - } else { - /* Make sure the division happens in long context. - * We allow up to one petabyte storage right now, - * at a granularity of 4k per bit that is 2**38 bits. - * After shift right and multiplication by 1000, - * this should still fit easily into a 32bit long, - * so we don't need a 64bit division on 32bit arch. - * Note: currently we don't support such large bitmaps on 32bit - * arch anyways, but no harm done to be prepared for it here. - */ - unsigned int shift = device->rs_total > UINT_MAX ? 16 : 10; - unsigned long left = *bits_left >> shift; - unsigned long total = 1UL + (device->rs_total >> shift); - unsigned long tmp = 1000UL - left * 1000UL/total; - *per_mil_done = tmp; - } -} - - /* this throttles on-the-fly application requests * according to max_buffers settings; * maybe re-implement using semaphores? */ @@ -2201,25 +2341,6 @@ static inline int drbd_queue_order_type(struct drbd_device *device) return QUEUE_ORDERED_NONE; } -static inline void drbd_md_flush(struct drbd_device *device) -{ - int r; - - if (device->ldev == NULL) { - drbd_warn(device, "device->ldev == NULL in drbd_md_flush\n"); - return; - } - - if (test_bit(MD_NO_FUA, &device->flags)) - return; - - r = blkdev_issue_flush(device->ldev->md_bdev, GFP_NOIO, NULL); - if (r) { - set_bit(MD_NO_FUA, &device->flags); - drbd_err(device, "meta data flush failed with status %d, disabling md-flushes\n", r); - } -} - static inline struct drbd_connection *first_connection(struct drbd_resource *resource) { return list_first_entry_or_null(&resource->connections, diff --git a/drivers/block/drbd/drbd_interval.h b/drivers/block/drbd/drbd_interval.h index f38fcb00c10d..f210543f05f4 100644 --- a/drivers/block/drbd/drbd_interval.h +++ b/drivers/block/drbd/drbd_interval.h @@ -10,7 +10,9 @@ struct drbd_interval { unsigned int size; /* size in bytes */ sector_t end; /* highest interval end in subtree */ int local:1 /* local or remote request? */; - int waiting:1; + int waiting:1; /* someone is waiting for this to complete */ + int completed:1; /* this has been completed already; + * ignore for conflict detection */ }; static inline void drbd_clear_interval(struct drbd_interval *i) diff --git a/drivers/block/drbd/drbd_main.c b/drivers/block/drbd/drbd_main.c index 960645c26e6f..9b465bb68487 100644 --- a/drivers/block/drbd/drbd_main.c +++ b/drivers/block/drbd/drbd_main.c @@ -26,7 +26,10 @@ */ +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + #include <linux/module.h> +#include <linux/jiffies.h> #include <linux/drbd.h> #include <asm/uaccess.h> #include <asm/types.h> @@ -54,16 +57,14 @@ #include "drbd_int.h" #include "drbd_protocol.h" #include "drbd_req.h" /* only for _req_mod in tl_release and tl_clear */ - #include "drbd_vli.h" +#include "drbd_debugfs.h" static DEFINE_MUTEX(drbd_main_mutex); static int drbd_open(struct block_device *bdev, fmode_t mode); static void drbd_release(struct gendisk *gd, fmode_t mode); -static int w_md_sync(struct drbd_work *w, int unused); static void md_sync_timer_fn(unsigned long data); static int w_bitmap_io(struct drbd_work *w, int unused); -static int w_go_diskless(struct drbd_work *w, int unused); MODULE_AUTHOR("Philipp Reisner <phil@linbit.com>, " "Lars Ellenberg <lars@linbit.com>"); @@ -264,7 +265,7 @@ bail: /** * _tl_restart() - Walks the transfer log, and applies an action to all requests - * @device: DRBD device. + * @connection: DRBD connection to operate on. * @what: The action/event to perform with all request objects * * @what might be one of CONNECTION_LOST_WHILE_PENDING, RESEND, FAIL_FROZEN_DISK_IO, @@ -662,6 +663,11 @@ static int __send_command(struct drbd_connection *connection, int vnr, msg_flags); if (data && !err) err = drbd_send_all(connection, sock->socket, data, size, 0); + /* DRBD protocol "pings" are latency critical. + * This is supposed to trigger tcp_push_pending_frames() */ + if (!err && (cmd == P_PING || cmd == P_PING_ACK)) + drbd_tcp_nodelay(sock->socket); + return err; } @@ -1636,7 +1642,10 @@ int drbd_send_dblock(struct drbd_peer_device *peer_device, struct drbd_request * if (peer_device->connection->agreed_pro_version >= 100) { if (req->rq_state & RQ_EXP_RECEIVE_ACK) dp_flags |= DP_SEND_RECEIVE_ACK; - if (req->rq_state & RQ_EXP_WRITE_ACK) + /* During resync, request an explicit write ack, + * even in protocol != C */ + if (req->rq_state & RQ_EXP_WRITE_ACK + || (dp_flags & DP_MAY_SET_IN_SYNC)) dp_flags |= DP_SEND_WRITE_ACK; } p->dp_flags = cpu_to_be32(dp_flags); @@ -1900,6 +1909,7 @@ void drbd_init_set_defaults(struct drbd_device *device) drbd_set_defaults(device); atomic_set(&device->ap_bio_cnt, 0); + atomic_set(&device->ap_actlog_cnt, 0); atomic_set(&device->ap_pending_cnt, 0); atomic_set(&device->rs_pending_cnt, 0); atomic_set(&device->unacked_cnt, 0); @@ -1908,7 +1918,7 @@ void drbd_init_set_defaults(struct drbd_device *device) atomic_set(&device->rs_sect_in, 0); atomic_set(&device->rs_sect_ev, 0); atomic_set(&device->ap_in_flight, 0); - atomic_set(&device->md_io_in_use, 0); + atomic_set(&device->md_io.in_use, 0); mutex_init(&device->own_state_mutex); device->state_mutex = &device->own_state_mutex; @@ -1924,17 +1934,15 @@ void drbd_init_set_defaults(struct drbd_device *device) INIT_LIST_HEAD(&device->resync_reads); INIT_LIST_HEAD(&device->resync_work.list); INIT_LIST_HEAD(&device->unplug_work.list); - INIT_LIST_HEAD(&device->go_diskless.list); - INIT_LIST_HEAD(&device->md_sync_work.list); - INIT_LIST_HEAD(&device->start_resync_work.list); INIT_LIST_HEAD(&device->bm_io_work.w.list); + INIT_LIST_HEAD(&device->pending_master_completion[0]); + INIT_LIST_HEAD(&device->pending_master_completion[1]); + INIT_LIST_HEAD(&device->pending_completion[0]); + INIT_LIST_HEAD(&device->pending_completion[1]); device->resync_work.cb = w_resync_timer; device->unplug_work.cb = w_send_write_hint; - device->go_diskless.cb = w_go_diskless; - device->md_sync_work.cb = w_md_sync; device->bm_io_work.w.cb = w_bitmap_io; - device->start_resync_work.cb = w_start_resync; init_timer(&device->resync_timer); init_timer(&device->md_sync_timer); @@ -1992,7 +2000,7 @@ void drbd_device_cleanup(struct drbd_device *device) drbd_bm_cleanup(device); } - drbd_free_bc(device->ldev); + drbd_free_ldev(device->ldev); device->ldev = NULL; clear_bit(AL_SUSPENDED, &device->flags); @@ -2006,7 +2014,6 @@ void drbd_device_cleanup(struct drbd_device *device) D_ASSERT(device, list_empty(&first_peer_device(device)->connection->sender_work.q)); D_ASSERT(device, list_empty(&device->resync_work.list)); D_ASSERT(device, list_empty(&device->unplug_work.list)); - D_ASSERT(device, list_empty(&device->go_diskless.list)); drbd_set_defaults(device); } @@ -2129,20 +2136,6 @@ Enomem: return -ENOMEM; } -static int drbd_notify_sys(struct notifier_block *this, unsigned long code, - void *unused) -{ - /* just so we have it. you never know what interesting things we - * might want to do here some day... - */ - - return NOTIFY_DONE; -} - -static struct notifier_block drbd_notifier = { - .notifier_call = drbd_notify_sys, -}; - static void drbd_release_all_peer_reqs(struct drbd_device *device) { int rr; @@ -2173,7 +2166,7 @@ void drbd_destroy_device(struct kref *kref) { struct drbd_device *device = container_of(kref, struct drbd_device, kref); struct drbd_resource *resource = device->resource; - struct drbd_connection *connection; + struct drbd_peer_device *peer_device, *tmp_peer_device; del_timer_sync(&device->request_timer); @@ -2187,7 +2180,7 @@ void drbd_destroy_device(struct kref *kref) if (device->this_bdev) bdput(device->this_bdev); - drbd_free_bc(device->ldev); + drbd_free_ldev(device->ldev); device->ldev = NULL; drbd_release_all_peer_reqs(device); @@ -2200,15 +2193,20 @@ void drbd_destroy_device(struct kref *kref) if (device->bitmap) /* should no longer be there. */ drbd_bm_cleanup(device); - __free_page(device->md_io_page); + __free_page(device->md_io.page); put_disk(device->vdisk); blk_cleanup_queue(device->rq_queue); kfree(device->rs_plan_s); - kfree(first_peer_device(device)); - kfree(device); - for_each_connection(connection, resource) - kref_put(&connection->kref, drbd_destroy_connection); + /* not for_each_connection(connection, resource): + * those may have been cleaned up and disassociated already. + */ + for_each_peer_device_safe(peer_device, tmp_peer_device, device) { + kref_put(&peer_device->connection->kref, drbd_destroy_connection); + kfree(peer_device); + } + memset(device, 0xfd, sizeof(*device)); + kfree(device); kref_put(&resource->kref, drbd_destroy_resource); } @@ -2236,7 +2234,7 @@ static void do_retry(struct work_struct *ws) list_for_each_entry_safe(req, tmp, &writes, tl_requests) { struct drbd_device *device = req->device; struct bio *bio = req->master_bio; - unsigned long start_time = req->start_time; + unsigned long start_jif = req->start_jif; bool expected; expected = @@ -2271,10 +2269,12 @@ static void do_retry(struct work_struct *ws) /* We are not just doing generic_make_request(), * as we want to keep the start_time information. */ inc_ap_bio(device); - __drbd_make_request(device, bio, start_time); + __drbd_make_request(device, bio, start_jif); } } +/* called via drbd_req_put_completion_ref(), + * holds resource->req_lock */ void drbd_restart_request(struct drbd_request *req) { unsigned long flags; @@ -2298,6 +2298,7 @@ void drbd_destroy_resource(struct kref *kref) idr_destroy(&resource->devices); free_cpumask_var(resource->cpu_mask); kfree(resource->name); + memset(resource, 0xf2, sizeof(*resource)); kfree(resource); } @@ -2307,8 +2308,10 @@ void drbd_free_resource(struct drbd_resource *resource) for_each_connection_safe(connection, tmp, resource) { list_del(&connection->connections); + drbd_debugfs_connection_cleanup(connection); kref_put(&connection->kref, drbd_destroy_connection); } + drbd_debugfs_resource_cleanup(resource); kref_put(&resource->kref, drbd_destroy_resource); } @@ -2318,8 +2321,6 @@ static void drbd_cleanup(void) struct drbd_device *device; struct drbd_resource *resource, *tmp; - unregister_reboot_notifier(&drbd_notifier); - /* first remove proc, * drbdsetup uses it's presence to detect * whether DRBD is loaded. @@ -2335,6 +2336,7 @@ static void drbd_cleanup(void) destroy_workqueue(retry.wq); drbd_genl_unregister(); + drbd_debugfs_cleanup(); idr_for_each_entry(&drbd_devices, device, i) drbd_delete_device(device); @@ -2350,7 +2352,7 @@ static void drbd_cleanup(void) idr_destroy(&drbd_devices); - printk(KERN_INFO "drbd: module cleanup done.\n"); + pr_info("module cleanup done.\n"); } /** @@ -2539,6 +2541,20 @@ int set_resource_options(struct drbd_resource *resource, struct res_opts *res_op if (nr_cpu_ids > 1 && res_opts->cpu_mask[0] != 0) { err = bitmap_parse(res_opts->cpu_mask, DRBD_CPU_MASK_SIZE, cpumask_bits(new_cpu_mask), nr_cpu_ids); + if (err == -EOVERFLOW) { + /* So what. mask it out. */ + cpumask_var_t tmp_cpu_mask; + if (zalloc_cpumask_var(&tmp_cpu_mask, GFP_KERNEL)) { + cpumask_setall(tmp_cpu_mask); + cpumask_and(new_cpu_mask, new_cpu_mask, tmp_cpu_mask); + drbd_warn(resource, "Overflow in bitmap_parse(%.12s%s), truncating to %u bits\n", + res_opts->cpu_mask, + strlen(res_opts->cpu_mask) > 12 ? "..." : "", + nr_cpu_ids); + free_cpumask_var(tmp_cpu_mask); + err = 0; + } + } if (err) { drbd_warn(resource, "bitmap_parse() failed with %d\n", err); /* retcode = ERR_CPU_MASK_PARSE; */ @@ -2579,10 +2595,12 @@ struct drbd_resource *drbd_create_resource(const char *name) kref_init(&resource->kref); idr_init(&resource->devices); INIT_LIST_HEAD(&resource->connections); + resource->write_ordering = WO_bdev_flush; list_add_tail_rcu(&resource->resources, &drbd_resources); mutex_init(&resource->conf_update); mutex_init(&resource->adm_mutex); spin_lock_init(&resource->req_lock); + drbd_debugfs_resource_add(resource); return resource; fail_free_name: @@ -2593,7 +2611,7 @@ fail: return NULL; } -/* caller must be under genl_lock() */ +/* caller must be under adm_mutex */ struct drbd_connection *conn_create(const char *name, struct res_opts *res_opts) { struct drbd_resource *resource; @@ -2617,7 +2635,6 @@ struct drbd_connection *conn_create(const char *name, struct res_opts *res_opts) INIT_LIST_HEAD(&connection->current_epoch->list); connection->epochs = 1; spin_lock_init(&connection->epoch_lock); - connection->write_ordering = WO_bdev_flush; connection->send.seen_any_write_yet = false; connection->send.current_epoch_nr = 0; @@ -2652,6 +2669,7 @@ struct drbd_connection *conn_create(const char *name, struct res_opts *res_opts) kref_get(&resource->kref); list_add_tail_rcu(&connection->connections, &resource->connections); + drbd_debugfs_connection_add(connection); return connection; fail_resource: @@ -2680,6 +2698,7 @@ void drbd_destroy_connection(struct kref *kref) drbd_free_socket(&connection->data); kfree(connection->int_dig_in); kfree(connection->int_dig_vv); + memset(connection, 0xfc, sizeof(*connection)); kfree(connection); kref_put(&resource->kref, drbd_destroy_resource); } @@ -2694,7 +2713,6 @@ static int init_submitter(struct drbd_device *device) return -ENOMEM; INIT_WORK(&device->submit.worker, do_submit); - spin_lock_init(&device->submit.lock); INIT_LIST_HEAD(&device->submit.writes); return 0; } @@ -2764,8 +2782,8 @@ enum drbd_ret_code drbd_create_device(struct drbd_config_context *adm_ctx, unsig blk_queue_merge_bvec(q, drbd_merge_bvec); q->queue_lock = &resource->req_lock; - device->md_io_page = alloc_page(GFP_KERNEL); - if (!device->md_io_page) + device->md_io.page = alloc_page(GFP_KERNEL); + if (!device->md_io.page) goto out_no_io_page; if (drbd_bm_init(device)) @@ -2794,6 +2812,7 @@ enum drbd_ret_code drbd_create_device(struct drbd_config_context *adm_ctx, unsig kref_get(&device->kref); INIT_LIST_HEAD(&device->peer_devices); + INIT_LIST_HEAD(&device->pending_bitmap_io); for_each_connection(connection, resource) { peer_device = kzalloc(sizeof(struct drbd_peer_device), GFP_KERNEL); if (!peer_device) @@ -2829,7 +2848,10 @@ enum drbd_ret_code drbd_create_device(struct drbd_config_context *adm_ctx, unsig for_each_peer_device(peer_device, device) drbd_connected(peer_device); } - + /* move to create_peer_device() */ + for_each_peer_device(peer_device, device) + drbd_debugfs_peer_device_add(peer_device); + drbd_debugfs_device_add(device); return NO_ERROR; out_idr_remove_vol: @@ -2853,7 +2875,7 @@ out_idr_remove_minor: out_no_minor_idr: drbd_bm_cleanup(device); out_no_bitmap: - __free_page(device->md_io_page); + __free_page(device->md_io.page); out_no_io_page: put_disk(disk); out_no_disk: @@ -2868,8 +2890,13 @@ void drbd_delete_device(struct drbd_device *device) { struct drbd_resource *resource = device->resource; struct drbd_connection *connection; + struct drbd_peer_device *peer_device; int refs = 3; + /* move to free_peer_device() */ + for_each_peer_device(peer_device, device) + drbd_debugfs_peer_device_cleanup(peer_device); + drbd_debugfs_device_cleanup(device); for_each_connection(connection, resource) { idr_remove(&connection->peer_devices, device->vnr); refs++; @@ -2881,13 +2908,12 @@ void drbd_delete_device(struct drbd_device *device) kref_sub(&device->kref, refs, drbd_destroy_device); } -int __init drbd_init(void) +static int __init drbd_init(void) { int err; if (minor_count < DRBD_MINOR_COUNT_MIN || minor_count > DRBD_MINOR_COUNT_MAX) { - printk(KERN_ERR - "drbd: invalid minor_count (%d)\n", minor_count); + pr_err("invalid minor_count (%d)\n", minor_count); #ifdef MODULE return -EINVAL; #else @@ -2897,14 +2923,11 @@ int __init drbd_init(void) err = register_blkdev(DRBD_MAJOR, "drbd"); if (err) { - printk(KERN_ERR - "drbd: unable to register block device major %d\n", + pr_err("unable to register block device major %d\n", DRBD_MAJOR); return err; } - register_reboot_notifier(&drbd_notifier); - /* * allocate all necessary structs */ @@ -2918,7 +2941,7 @@ int __init drbd_init(void) err = drbd_genl_register(); if (err) { - printk(KERN_ERR "drbd: unable to register generic netlink family\n"); + pr_err("unable to register generic netlink family\n"); goto fail; } @@ -2929,38 +2952,39 @@ int __init drbd_init(void) err = -ENOMEM; drbd_proc = proc_create_data("drbd", S_IFREG | S_IRUGO , NULL, &drbd_proc_fops, NULL); if (!drbd_proc) { - printk(KERN_ERR "drbd: unable to register proc file\n"); + pr_err("unable to register proc file\n"); goto fail; } retry.wq = create_singlethread_workqueue("drbd-reissue"); if (!retry.wq) { - printk(KERN_ERR "drbd: unable to create retry workqueue\n"); + pr_err("unable to create retry workqueue\n"); goto fail; } INIT_WORK(&retry.worker, do_retry); spin_lock_init(&retry.lock); INIT_LIST_HEAD(&retry.writes); - printk(KERN_INFO "drbd: initialized. " + if (drbd_debugfs_init()) + pr_notice("failed to initialize debugfs -- will not be available\n"); + + pr_info("initialized. " "Version: " REL_VERSION " (api:%d/proto:%d-%d)\n", API_VERSION, PRO_VERSION_MIN, PRO_VERSION_MAX); - printk(KERN_INFO "drbd: %s\n", drbd_buildtag()); - printk(KERN_INFO "drbd: registered as block device major %d\n", - DRBD_MAJOR); - + pr_info("%s\n", drbd_buildtag()); + pr_info("registered as block device major %d\n", DRBD_MAJOR); return 0; /* Success! */ fail: drbd_cleanup(); if (err == -ENOMEM) - printk(KERN_ERR "drbd: ran out of memory\n"); + pr_err("ran out of memory\n"); else - printk(KERN_ERR "drbd: initialization failure\n"); + pr_err("initialization failure\n"); return err; } -void drbd_free_bc(struct drbd_backing_dev *ldev) +void drbd_free_ldev(struct drbd_backing_dev *ldev) { if (ldev == NULL) return; @@ -2972,24 +2996,29 @@ void drbd_free_bc(struct drbd_backing_dev *ldev) kfree(ldev); } -void drbd_free_sock(struct drbd_connection *connection) +static void drbd_free_one_sock(struct drbd_socket *ds) { - if (connection->data.socket) { - mutex_lock(&connection->data.mutex); - kernel_sock_shutdown(connection->data.socket, SHUT_RDWR); - sock_release(connection->data.socket); - connection->data.socket = NULL; - mutex_unlock(&connection->data.mutex); - } - if (connection->meta.socket) { - mutex_lock(&connection->meta.mutex); - kernel_sock_shutdown(connection->meta.socket, SHUT_RDWR); - sock_release(connection->meta.socket); - connection->meta.socket = NULL; - mutex_unlock(&connection->meta.mutex); + struct socket *s; + mutex_lock(&ds->mutex); + s = ds->socket; + ds->socket = NULL; + mutex_unlock(&ds->mutex); + if (s) { + /* so debugfs does not need to mutex_lock() */ + synchronize_rcu(); + kernel_sock_shutdown(s, SHUT_RDWR); + sock_release(s); } } +void drbd_free_sock(struct drbd_connection *connection) +{ + if (connection->data.socket) + drbd_free_one_sock(&connection->data); + if (connection->meta.socket) + drbd_free_one_sock(&connection->meta); +} + /* meta data management */ void conn_md_sync(struct drbd_connection *connection) @@ -3093,7 +3122,7 @@ void drbd_md_sync(struct drbd_device *device) if (!get_ldev_if_state(device, D_FAILED)) return; - buffer = drbd_md_get_buffer(device); + buffer = drbd_md_get_buffer(device, __func__); if (!buffer) goto out; @@ -3253,7 +3282,7 @@ int drbd_md_read(struct drbd_device *device, struct drbd_backing_dev *bdev) if (device->state.disk != D_DISKLESS) return ERR_DISK_CONFIGURED; - buffer = drbd_md_get_buffer(device); + buffer = drbd_md_get_buffer(device, __func__); if (!buffer) return ERR_NOMEM; @@ -3466,23 +3495,19 @@ void drbd_uuid_set_bm(struct drbd_device *device, u64 val) __must_hold(local) * * Sets all bits in the bitmap and writes the whole bitmap to stable storage. */ -int drbd_bmio_set_n_write(struct drbd_device *device) +int drbd_bmio_set_n_write(struct drbd_device *device) __must_hold(local) { int rv = -EIO; - if (get_ldev_if_state(device, D_ATTACHING)) { - drbd_md_set_flag(device, MDF_FULL_SYNC); - drbd_md_sync(device); - drbd_bm_set_all(device); - - rv = drbd_bm_write(device); + drbd_md_set_flag(device, MDF_FULL_SYNC); + drbd_md_sync(device); + drbd_bm_set_all(device); - if (!rv) { - drbd_md_clear_flag(device, MDF_FULL_SYNC); - drbd_md_sync(device); - } + rv = drbd_bm_write(device); - put_ldev(device); + if (!rv) { + drbd_md_clear_flag(device, MDF_FULL_SYNC); + drbd_md_sync(device); } return rv; @@ -3494,18 +3519,11 @@ int drbd_bmio_set_n_write(struct drbd_device *device) * * Clears all bits in the bitmap and writes the whole bitmap to stable storage. */ -int drbd_bmio_clear_n_write(struct drbd_device *device) +int drbd_bmio_clear_n_write(struct drbd_device *device) __must_hold(local) { - int rv = -EIO; - drbd_resume_al(device); - if (get_ldev_if_state(device, D_ATTACHING)) { - drbd_bm_clear_all(device); - rv = drbd_bm_write(device); - put_ldev(device); - } - - return rv; + drbd_bm_clear_all(device); + return drbd_bm_write(device); } static int w_bitmap_io(struct drbd_work *w, int unused) @@ -3537,61 +3555,6 @@ static int w_bitmap_io(struct drbd_work *w, int unused) return 0; } -void drbd_ldev_destroy(struct drbd_device *device) -{ - lc_destroy(device->resync); - device->resync = NULL; - lc_destroy(device->act_log); - device->act_log = NULL; - __no_warn(local, - drbd_free_bc(device->ldev); - device->ldev = NULL;); - - clear_bit(GO_DISKLESS, &device->flags); -} - -static int w_go_diskless(struct drbd_work *w, int unused) -{ - struct drbd_device *device = - container_of(w, struct drbd_device, go_diskless); - - D_ASSERT(device, device->state.disk == D_FAILED); - /* we cannot assert local_cnt == 0 here, as get_ldev_if_state will - * inc/dec it frequently. Once we are D_DISKLESS, no one will touch - * the protected members anymore, though, so once put_ldev reaches zero - * again, it will be safe to free them. */ - - /* Try to write changed bitmap pages, read errors may have just - * set some bits outside the area covered by the activity log. - * - * If we have an IO error during the bitmap writeout, - * we will want a full sync next time, just in case. - * (Do we want a specific meta data flag for this?) - * - * If that does not make it to stable storage either, - * we cannot do anything about that anymore. - * - * We still need to check if both bitmap and ldev are present, we may - * end up here after a failed attach, before ldev was even assigned. - */ - if (device->bitmap && device->ldev) { - /* An interrupted resync or similar is allowed to recounts bits - * while we detach. - * Any modifications would not be expected anymore, though. - */ - if (drbd_bitmap_io_from_worker(device, drbd_bm_write, - "detach", BM_LOCKED_TEST_ALLOWED)) { - if (test_bit(WAS_READ_ERROR, &device->flags)) { - drbd_md_set_flag(device, MDF_FULL_SYNC); - drbd_md_sync(device); - } - } - } - - drbd_force_state(device, NS(disk, D_DISKLESS)); - return 0; -} - /** * drbd_queue_bitmap_io() - Queues an IO operation on the whole bitmap * @device: DRBD device. @@ -3603,6 +3566,9 @@ static int w_go_diskless(struct drbd_work *w, int unused) * that drbd_set_out_of_sync() can not be called. This function MAY ONLY be * called from worker context. It MUST NOT be used while a previous such * work is still pending! + * + * Its worker function encloses the call of io_fn() by get_ldev() and + * put_ldev(). */ void drbd_queue_bitmap_io(struct drbd_device *device, int (*io_fn)(struct drbd_device *), @@ -3685,25 +3651,7 @@ int drbd_md_test_flag(struct drbd_backing_dev *bdev, int flag) static void md_sync_timer_fn(unsigned long data) { struct drbd_device *device = (struct drbd_device *) data; - - /* must not double-queue! */ - if (list_empty(&device->md_sync_work.list)) - drbd_queue_work_front(&first_peer_device(device)->connection->sender_work, - &device->md_sync_work); -} - -static int w_md_sync(struct drbd_work *w, int unused) -{ - struct drbd_device *device = - container_of(w, struct drbd_device, md_sync_work); - - drbd_warn(device, "md_sync_timer expired! Worker calls drbd_md_sync().\n"); -#ifdef DEBUG - drbd_warn(device, "last md_mark_dirty: %s:%u\n", - device->last_md_mark_dirty.func, device->last_md_mark_dirty.line); -#endif - drbd_md_sync(device); - return 0; + drbd_device_post_work(device, MD_SYNC); } const char *cmdname(enum drbd_packet cmd) diff --git a/drivers/block/drbd/drbd_nl.c b/drivers/block/drbd/drbd_nl.c index 3f2e16738080..1cd47df44bda 100644 --- a/drivers/block/drbd/drbd_nl.c +++ b/drivers/block/drbd/drbd_nl.c @@ -23,6 +23,8 @@ */ +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + #include <linux/module.h> #include <linux/drbd.h> #include <linux/in.h> @@ -85,7 +87,7 @@ static void drbd_adm_send_reply(struct sk_buff *skb, struct genl_info *info) { genlmsg_end(skb, genlmsg_data(nlmsg_data(nlmsg_hdr(skb)))); if (genlmsg_reply(skb, info)) - printk(KERN_ERR "drbd: error sending genl reply\n"); + pr_err("error sending genl reply\n"); } /* Used on a fresh "drbd_adm_prepare"d reply_skb, this cannot fail: The only @@ -558,8 +560,10 @@ void conn_try_outdate_peer_async(struct drbd_connection *connection) } enum drbd_state_rv -drbd_set_role(struct drbd_device *device, enum drbd_role new_role, int force) +drbd_set_role(struct drbd_device *const device, enum drbd_role new_role, int force) { + struct drbd_peer_device *const peer_device = first_peer_device(device); + struct drbd_connection *const connection = peer_device ? peer_device->connection : NULL; const int max_tries = 4; enum drbd_state_rv rv = SS_UNKNOWN_ERROR; struct net_conf *nc; @@ -607,7 +611,7 @@ drbd_set_role(struct drbd_device *device, enum drbd_role new_role, int force) device->state.disk == D_CONSISTENT && mask.pdsk == 0) { D_ASSERT(device, device->state.pdsk == D_UNKNOWN); - if (conn_try_outdate_peer(first_peer_device(device)->connection)) { + if (conn_try_outdate_peer(connection)) { val.disk = D_UP_TO_DATE; mask.disk = D_MASK; } @@ -617,7 +621,7 @@ drbd_set_role(struct drbd_device *device, enum drbd_role new_role, int force) if (rv == SS_NOTHING_TO_DO) goto out; if (rv == SS_PRIMARY_NOP && mask.pdsk == 0) { - if (!conn_try_outdate_peer(first_peer_device(device)->connection) && force) { + if (!conn_try_outdate_peer(connection) && force) { drbd_warn(device, "Forced into split brain situation!\n"); mask.pdsk = D_MASK; val.pdsk = D_OUTDATED; @@ -630,7 +634,7 @@ drbd_set_role(struct drbd_device *device, enum drbd_role new_role, int force) retry at most once more in this case. */ int timeo; rcu_read_lock(); - nc = rcu_dereference(first_peer_device(device)->connection->net_conf); + nc = rcu_dereference(connection->net_conf); timeo = nc ? (nc->ping_timeo + 1) * HZ / 10 : 1; rcu_read_unlock(); schedule_timeout_interruptible(timeo); @@ -659,19 +663,17 @@ drbd_set_role(struct drbd_device *device, enum drbd_role new_role, int force) /* FIXME also wait for all pending P_BARRIER_ACK? */ if (new_role == R_SECONDARY) { - set_disk_ro(device->vdisk, true); if (get_ldev(device)) { device->ldev->md.uuid[UI_CURRENT] &= ~(u64)1; put_ldev(device); } } else { - /* Called from drbd_adm_set_role only. - * We are still holding the conf_update mutex. */ - nc = first_peer_device(device)->connection->net_conf; + mutex_lock(&device->resource->conf_update); + nc = connection->net_conf; if (nc) nc->discard_my_data = 0; /* without copy; single bit op is atomic */ + mutex_unlock(&device->resource->conf_update); - set_disk_ro(device->vdisk, false); if (get_ldev(device)) { if (((device->state.conn < C_CONNECTED || device->state.pdsk <= D_FAILED) @@ -689,12 +691,12 @@ drbd_set_role(struct drbd_device *device, enum drbd_role new_role, int force) if (device->state.conn >= C_WF_REPORT_PARAMS) { /* if this was forced, we should consider sync */ if (forced) - drbd_send_uuids(first_peer_device(device)); - drbd_send_current_state(first_peer_device(device)); + drbd_send_uuids(peer_device); + drbd_send_current_state(peer_device); } drbd_md_sync(device); - + set_disk_ro(device->vdisk, new_role == R_SECONDARY); kobject_uevent(&disk_to_dev(device->vdisk)->kobj, KOBJ_CHANGE); out: mutex_unlock(device->state_mutex); @@ -891,7 +893,7 @@ drbd_determine_dev_size(struct drbd_device *device, enum dds_flags flags, struct * still lock the act_log to not trigger ASSERTs there. */ drbd_suspend_io(device); - buffer = drbd_md_get_buffer(device); /* Lock meta-data IO */ + buffer = drbd_md_get_buffer(device, __func__); /* Lock meta-data IO */ if (!buffer) { drbd_resume_io(device); return DS_ERROR; @@ -971,6 +973,10 @@ drbd_determine_dev_size(struct drbd_device *device, enum dds_flags flags, struct if (la_size_changed || md_moved || rs) { u32 prev_flags; + /* We do some synchronous IO below, which may take some time. + * Clear the timer, to avoid scary "timer expired!" messages, + * "Superblock" is written out at least twice below, anyways. */ + del_timer(&device->md_sync_timer); drbd_al_shrink(device); /* All extents inactive. */ prev_flags = md->flags; @@ -1116,15 +1122,16 @@ static int drbd_check_al_size(struct drbd_device *device, struct disk_conf *dc) return 0; } -static void drbd_setup_queue_param(struct drbd_device *device, unsigned int max_bio_size) +static void drbd_setup_queue_param(struct drbd_device *device, struct drbd_backing_dev *bdev, + unsigned int max_bio_size) { struct request_queue * const q = device->rq_queue; unsigned int max_hw_sectors = max_bio_size >> 9; unsigned int max_segments = 0; struct request_queue *b = NULL; - if (get_ldev_if_state(device, D_ATTACHING)) { - b = device->ldev->backing_bdev->bd_disk->queue; + if (bdev) { + b = bdev->backing_bdev->bd_disk->queue; max_hw_sectors = min(queue_max_hw_sectors(b), max_bio_size >> 9); rcu_read_lock(); @@ -1169,11 +1176,10 @@ static void drbd_setup_queue_param(struct drbd_device *device, unsigned int max_ b->backing_dev_info.ra_pages); q->backing_dev_info.ra_pages = b->backing_dev_info.ra_pages; } - put_ldev(device); } } -void drbd_reconsider_max_bio_size(struct drbd_device *device) +void drbd_reconsider_max_bio_size(struct drbd_device *device, struct drbd_backing_dev *bdev) { unsigned int now, new, local, peer; @@ -1181,10 +1187,9 @@ void drbd_reconsider_max_bio_size(struct drbd_device *device) local = device->local_max_bio_size; /* Eventually last known value, from volatile memory */ peer = device->peer_max_bio_size; /* Eventually last known value, from meta data */ - if (get_ldev_if_state(device, D_ATTACHING)) { - local = queue_max_hw_sectors(device->ldev->backing_bdev->bd_disk->queue) << 9; + if (bdev) { + local = queue_max_hw_sectors(bdev->backing_bdev->bd_disk->queue) << 9; device->local_max_bio_size = local; - put_ldev(device); } local = min(local, DRBD_MAX_BIO_SIZE); @@ -1217,7 +1222,7 @@ void drbd_reconsider_max_bio_size(struct drbd_device *device) if (new != now) drbd_info(device, "max BIO size = %u\n", new); - drbd_setup_queue_param(device, new); + drbd_setup_queue_param(device, bdev, new); } /* Starts the worker thread */ @@ -1299,6 +1304,13 @@ static unsigned int drbd_al_extents_max(struct drbd_backing_dev *bdev) return (al_size_4k - 1) * AL_CONTEXT_PER_TRANSACTION; } +static bool write_ordering_changed(struct disk_conf *a, struct disk_conf *b) +{ + return a->disk_barrier != b->disk_barrier || + a->disk_flushes != b->disk_flushes || + a->disk_drain != b->disk_drain; +} + int drbd_adm_disk_opts(struct sk_buff *skb, struct genl_info *info) { struct drbd_config_context adm_ctx; @@ -1405,7 +1417,8 @@ int drbd_adm_disk_opts(struct sk_buff *skb, struct genl_info *info) else set_bit(MD_NO_FUA, &device->flags); - drbd_bump_write_ordering(first_peer_device(device)->connection, WO_bdev_flush); + if (write_ordering_changed(old_disk_conf, new_disk_conf)) + drbd_bump_write_ordering(device->resource, NULL, WO_bdev_flush); drbd_md_sync(device); @@ -1440,6 +1453,8 @@ int drbd_adm_attach(struct sk_buff *skb, struct genl_info *info) { struct drbd_config_context adm_ctx; struct drbd_device *device; + struct drbd_peer_device *peer_device; + struct drbd_connection *connection; int err; enum drbd_ret_code retcode; enum determine_dev_size dd; @@ -1462,7 +1477,9 @@ int drbd_adm_attach(struct sk_buff *skb, struct genl_info *info) device = adm_ctx.device; mutex_lock(&adm_ctx.resource->adm_mutex); - conn_reconfig_start(first_peer_device(device)->connection); + peer_device = first_peer_device(device); + connection = peer_device ? peer_device->connection : NULL; + conn_reconfig_start(connection); /* if you want to reconfigure, please tear down first */ if (device->state.disk > D_DISKLESS) { @@ -1473,7 +1490,7 @@ int drbd_adm_attach(struct sk_buff *skb, struct genl_info *info) * drbd_ldev_destroy is done already, we may end up here very fast, * e.g. if someone calls attach from the on-io-error handler, * to realize a "hot spare" feature (not that I'd recommend that) */ - wait_event(device->misc_wait, !atomic_read(&device->local_cnt)); + wait_event(device->misc_wait, !test_bit(GOING_DISKLESS, &device->flags)); /* make sure there is no leftover from previous force-detach attempts */ clear_bit(FORCE_DETACH, &device->flags); @@ -1529,7 +1546,7 @@ int drbd_adm_attach(struct sk_buff *skb, struct genl_info *info) goto fail; rcu_read_lock(); - nc = rcu_dereference(first_peer_device(device)->connection->net_conf); + nc = rcu_dereference(connection->net_conf); if (nc) { if (new_disk_conf->fencing == FP_STONITH && nc->wire_protocol == DRBD_PROT_A) { rcu_read_unlock(); @@ -1649,7 +1666,7 @@ int drbd_adm_attach(struct sk_buff *skb, struct genl_info *info) */ wait_event(device->misc_wait, !atomic_read(&device->ap_pending_cnt) || drbd_suspended(device)); /* and for any other previously queued work */ - drbd_flush_workqueue(&first_peer_device(device)->connection->sender_work); + drbd_flush_workqueue(&connection->sender_work); rv = _drbd_request_state(device, NS(disk, D_ATTACHING), CS_VERBOSE); retcode = rv; /* FIXME: Type mismatch. */ @@ -1710,7 +1727,7 @@ int drbd_adm_attach(struct sk_buff *skb, struct genl_info *info) new_disk_conf = NULL; new_plan = NULL; - drbd_bump_write_ordering(first_peer_device(device)->connection, WO_bdev_flush); + drbd_bump_write_ordering(device->resource, device->ldev, WO_bdev_flush); if (drbd_md_test_flag(device->ldev, MDF_CRASHED_PRIMARY)) set_bit(CRASHED_PRIMARY, &device->flags); @@ -1726,7 +1743,7 @@ int drbd_adm_attach(struct sk_buff *skb, struct genl_info *info) device->read_cnt = 0; device->writ_cnt = 0; - drbd_reconsider_max_bio_size(device); + drbd_reconsider_max_bio_size(device, device->ldev); /* If I am currently not R_PRIMARY, * but meta data primary indicator is set, @@ -1845,7 +1862,7 @@ int drbd_adm_attach(struct sk_buff *skb, struct genl_info *info) kobject_uevent(&disk_to_dev(device->vdisk)->kobj, KOBJ_CHANGE); put_ldev(device); - conn_reconfig_done(first_peer_device(device)->connection); + conn_reconfig_done(connection); mutex_unlock(&adm_ctx.resource->adm_mutex); drbd_adm_finish(&adm_ctx, info, retcode); return 0; @@ -1856,7 +1873,7 @@ int drbd_adm_attach(struct sk_buff *skb, struct genl_info *info) drbd_force_state(device, NS(disk, D_DISKLESS)); drbd_md_sync(device); fail: - conn_reconfig_done(first_peer_device(device)->connection); + conn_reconfig_done(connection); if (nbc) { if (nbc->backing_bdev) blkdev_put(nbc->backing_bdev, @@ -1888,7 +1905,7 @@ static int adm_detach(struct drbd_device *device, int force) } drbd_suspend_io(device); /* so no-one is stuck in drbd_al_begin_io */ - drbd_md_get_buffer(device); /* make sure there is no in-flight meta-data IO */ + drbd_md_get_buffer(device, __func__); /* make sure there is no in-flight meta-data IO */ retcode = drbd_request_state(device, NS(disk, D_FAILED)); drbd_md_put_buffer(device); /* D_FAILED will transition to DISKLESS. */ @@ -2654,8 +2671,13 @@ int drbd_adm_invalidate(struct sk_buff *skb, struct genl_info *info) if (retcode != NO_ERROR) goto out; - mutex_lock(&adm_ctx.resource->adm_mutex); device = adm_ctx.device; + if (!get_ldev(device)) { + retcode = ERR_NO_DISK; + goto out; + } + + mutex_lock(&adm_ctx.resource->adm_mutex); /* If there is still bitmap IO pending, probably because of a previous * resync just being finished, wait for it before requesting a new resync. @@ -2679,6 +2701,7 @@ int drbd_adm_invalidate(struct sk_buff *skb, struct genl_info *info) retcode = drbd_request_state(device, NS(conn, C_STARTING_SYNC_T)); drbd_resume_io(device); mutex_unlock(&adm_ctx.resource->adm_mutex); + put_ldev(device); out: drbd_adm_finish(&adm_ctx, info, retcode); return 0; @@ -2704,7 +2727,7 @@ out: return 0; } -static int drbd_bmio_set_susp_al(struct drbd_device *device) +static int drbd_bmio_set_susp_al(struct drbd_device *device) __must_hold(local) { int rv; @@ -2725,8 +2748,13 @@ int drbd_adm_invalidate_peer(struct sk_buff *skb, struct genl_info *info) if (retcode != NO_ERROR) goto out; - mutex_lock(&adm_ctx.resource->adm_mutex); device = adm_ctx.device; + if (!get_ldev(device)) { + retcode = ERR_NO_DISK; + goto out; + } + + mutex_lock(&adm_ctx.resource->adm_mutex); /* If there is still bitmap IO pending, probably because of a previous * resync just being finished, wait for it before requesting a new resync. @@ -2753,6 +2781,7 @@ int drbd_adm_invalidate_peer(struct sk_buff *skb, struct genl_info *info) retcode = drbd_request_state(device, NS(conn, C_STARTING_SYNC_S)); drbd_resume_io(device); mutex_unlock(&adm_ctx.resource->adm_mutex); + put_ldev(device); out: drbd_adm_finish(&adm_ctx, info, retcode); return 0; @@ -2892,7 +2921,7 @@ static struct drbd_connection *the_only_connection(struct drbd_resource *resourc return list_first_entry(&resource->connections, struct drbd_connection, connections); } -int nla_put_status_info(struct sk_buff *skb, struct drbd_device *device, +static int nla_put_status_info(struct sk_buff *skb, struct drbd_device *device, const struct sib_info *sib) { struct drbd_resource *resource = device->resource; @@ -3622,13 +3651,6 @@ void drbd_bcast_event(struct drbd_device *device, const struct sib_info *sib) unsigned seq; int err = -ENOMEM; - if (sib->sib_reason == SIB_SYNC_PROGRESS) { - if (time_after(jiffies, device->rs_last_bcast + HZ)) - device->rs_last_bcast = jiffies; - else - return; - } - seq = atomic_inc_return(&drbd_genl_seq); msg = genlmsg_new(NLMSG_GOODSIZE, GFP_NOIO); if (!msg) diff --git a/drivers/block/drbd/drbd_proc.c b/drivers/block/drbd/drbd_proc.c index 89736bdbbc70..06e6147c7601 100644 --- a/drivers/block/drbd/drbd_proc.c +++ b/drivers/block/drbd/drbd_proc.c @@ -60,20 +60,65 @@ static void seq_printf_with_thousands_grouping(struct seq_file *seq, long v) seq_printf(seq, "%ld", v); } +static void drbd_get_syncer_progress(struct drbd_device *device, + union drbd_dev_state state, unsigned long *rs_total, + unsigned long *bits_left, unsigned int *per_mil_done) +{ + /* this is to break it at compile time when we change that, in case we + * want to support more than (1<<32) bits on a 32bit arch. */ + typecheck(unsigned long, device->rs_total); + *rs_total = device->rs_total; + + /* note: both rs_total and rs_left are in bits, i.e. in + * units of BM_BLOCK_SIZE. + * for the percentage, we don't care. */ + + if (state.conn == C_VERIFY_S || state.conn == C_VERIFY_T) + *bits_left = device->ov_left; + else + *bits_left = drbd_bm_total_weight(device) - device->rs_failed; + /* >> 10 to prevent overflow, + * +1 to prevent division by zero */ + if (*bits_left > *rs_total) { + /* D'oh. Maybe a logic bug somewhere. More likely just a race + * between state change and reset of rs_total. + */ + *bits_left = *rs_total; + *per_mil_done = *rs_total ? 0 : 1000; + } else { + /* Make sure the division happens in long context. + * We allow up to one petabyte storage right now, + * at a granularity of 4k per bit that is 2**38 bits. + * After shift right and multiplication by 1000, + * this should still fit easily into a 32bit long, + * so we don't need a 64bit division on 32bit arch. + * Note: currently we don't support such large bitmaps on 32bit + * arch anyways, but no harm done to be prepared for it here. + */ + unsigned int shift = *rs_total > UINT_MAX ? 16 : 10; + unsigned long left = *bits_left >> shift; + unsigned long total = 1UL + (*rs_total >> shift); + unsigned long tmp = 1000UL - left * 1000UL/total; + *per_mil_done = tmp; + } +} + + /*lge * progress bars shamelessly adapted from driver/md/md.c * output looks like * [=====>..............] 33.5% (23456/123456) * finish: 2:20:20 speed: 6,345 (6,456) K/sec */ -static void drbd_syncer_progress(struct drbd_device *device, struct seq_file *seq) +static void drbd_syncer_progress(struct drbd_device *device, struct seq_file *seq, + union drbd_dev_state state) { - unsigned long db, dt, dbdt, rt, rs_left; + unsigned long db, dt, dbdt, rt, rs_total, rs_left; unsigned int res; int i, x, y; int stalled = 0; - drbd_get_syncer_progress(device, &rs_left, &res); + drbd_get_syncer_progress(device, state, &rs_total, &rs_left, &res); x = res/50; y = 20-x; @@ -85,21 +130,21 @@ static void drbd_syncer_progress(struct drbd_device *device, struct seq_file *se seq_printf(seq, "."); seq_printf(seq, "] "); - if (device->state.conn == C_VERIFY_S || device->state.conn == C_VERIFY_T) + if (state.conn == C_VERIFY_S || state.conn == C_VERIFY_T) seq_printf(seq, "verified:"); else seq_printf(seq, "sync'ed:"); seq_printf(seq, "%3u.%u%% ", res / 10, res % 10); /* if more than a few GB, display in MB */ - if (device->rs_total > (4UL << (30 - BM_BLOCK_SHIFT))) + if (rs_total > (4UL << (30 - BM_BLOCK_SHIFT))) seq_printf(seq, "(%lu/%lu)M", (unsigned long) Bit2KB(rs_left >> 10), - (unsigned long) Bit2KB(device->rs_total >> 10)); + (unsigned long) Bit2KB(rs_total >> 10)); else seq_printf(seq, "(%lu/%lu)K\n\t", (unsigned long) Bit2KB(rs_left), - (unsigned long) Bit2KB(device->rs_total)); + (unsigned long) Bit2KB(rs_total)); /* see drivers/md/md.c * We do not want to overflow, so the order of operands and @@ -150,13 +195,13 @@ static void drbd_syncer_progress(struct drbd_device *device, struct seq_file *se dt = (jiffies - device->rs_start - device->rs_paused) / HZ; if (dt == 0) dt = 1; - db = device->rs_total - rs_left; + db = rs_total - rs_left; dbdt = Bit2KB(db/dt); seq_printf_with_thousands_grouping(seq, dbdt); seq_printf(seq, ")"); - if (device->state.conn == C_SYNC_TARGET || - device->state.conn == C_VERIFY_S) { + if (state.conn == C_SYNC_TARGET || + state.conn == C_VERIFY_S) { seq_printf(seq, " want: "); seq_printf_with_thousands_grouping(seq, device->c_sync_rate); } @@ -168,8 +213,8 @@ static void drbd_syncer_progress(struct drbd_device *device, struct seq_file *se unsigned long bm_bits = drbd_bm_bits(device); unsigned long bit_pos; unsigned long long stop_sector = 0; - if (device->state.conn == C_VERIFY_S || - device->state.conn == C_VERIFY_T) { + if (state.conn == C_VERIFY_S || + state.conn == C_VERIFY_T) { bit_pos = bm_bits - device->ov_left; if (verify_can_do_stop_sector(device)) stop_sector = device->ov_stop_sector; @@ -188,22 +233,13 @@ static void drbd_syncer_progress(struct drbd_device *device, struct seq_file *se } } -static void resync_dump_detail(struct seq_file *seq, struct lc_element *e) -{ - struct bm_extent *bme = lc_entry(e, struct bm_extent, lce); - - seq_printf(seq, "%5d %s %s\n", bme->rs_left, - bme->flags & BME_NO_WRITES ? "NO_WRITES" : "---------", - bme->flags & BME_LOCKED ? "LOCKED" : "------" - ); -} - static int drbd_seq_show(struct seq_file *seq, void *v) { int i, prev_i = -1; const char *sn; struct drbd_device *device; struct net_conf *nc; + union drbd_dev_state state; char wp; static char write_ordering_chars[] = { @@ -241,11 +277,12 @@ static int drbd_seq_show(struct seq_file *seq, void *v) seq_printf(seq, "\n"); prev_i = i; - sn = drbd_conn_str(device->state.conn); + state = device->state; + sn = drbd_conn_str(state.conn); - if (device->state.conn == C_STANDALONE && - device->state.disk == D_DISKLESS && - device->state.role == R_SECONDARY) { + if (state.conn == C_STANDALONE && + state.disk == D_DISKLESS && + state.role == R_SECONDARY) { seq_printf(seq, "%2d: cs:Unconfigured\n", i); } else { /* reset device->congestion_reason */ @@ -258,15 +295,15 @@ static int drbd_seq_show(struct seq_file *seq, void *v) " ns:%u nr:%u dw:%u dr:%u al:%u bm:%u " "lo:%d pe:%d ua:%d ap:%d ep:%d wo:%c", i, sn, - drbd_role_str(device->state.role), - drbd_role_str(device->state.peer), - drbd_disk_str(device->state.disk), - drbd_disk_str(device->state.pdsk), + drbd_role_str(state.role), + drbd_role_str(state.peer), + drbd_disk_str(state.disk), + drbd_disk_str(state.pdsk), wp, drbd_suspended(device) ? 's' : 'r', - device->state.aftr_isp ? 'a' : '-', - device->state.peer_isp ? 'p' : '-', - device->state.user_isp ? 'u' : '-', + state.aftr_isp ? 'a' : '-', + state.peer_isp ? 'p' : '-', + state.user_isp ? 'u' : '-', device->congestion_reason ?: '-', test_bit(AL_SUSPENDED, &device->flags) ? 's' : '-', device->send_cnt/2, @@ -281,17 +318,17 @@ static int drbd_seq_show(struct seq_file *seq, void *v) atomic_read(&device->unacked_cnt), atomic_read(&device->ap_bio_cnt), first_peer_device(device)->connection->epochs, - write_ordering_chars[first_peer_device(device)->connection->write_ordering] + write_ordering_chars[device->resource->write_ordering] ); seq_printf(seq, " oos:%llu\n", Bit2KB((unsigned long long) drbd_bm_total_weight(device))); } - if (device->state.conn == C_SYNC_SOURCE || - device->state.conn == C_SYNC_TARGET || - device->state.conn == C_VERIFY_S || - device->state.conn == C_VERIFY_T) - drbd_syncer_progress(device, seq); + if (state.conn == C_SYNC_SOURCE || + state.conn == C_SYNC_TARGET || + state.conn == C_VERIFY_S || + state.conn == C_VERIFY_T) + drbd_syncer_progress(device, seq, state); if (proc_details >= 1 && get_ldev_if_state(device, D_FAILED)) { lc_seq_printf_stats(seq, device->resync); @@ -299,12 +336,8 @@ static int drbd_seq_show(struct seq_file *seq, void *v) put_ldev(device); } - if (proc_details >= 2) { - if (device->resync) { - lc_seq_dump_details(seq, device->resync, "rs_left", - resync_dump_detail); - } - } + if (proc_details >= 2) + seq_printf(seq, "\tblocked on activity log: %d\n", atomic_read(&device->ap_actlog_cnt)); } rcu_read_unlock(); @@ -316,7 +349,7 @@ static int drbd_proc_open(struct inode *inode, struct file *file) int err; if (try_module_get(THIS_MODULE)) { - err = single_open(file, drbd_seq_show, PDE_DATA(inode)); + err = single_open(file, drbd_seq_show, NULL); if (err) module_put(THIS_MODULE); return err; diff --git a/drivers/block/drbd/drbd_receiver.c b/drivers/block/drbd/drbd_receiver.c index 5b17ec88ea05..9342b8da73ab 100644 --- a/drivers/block/drbd/drbd_receiver.c +++ b/drivers/block/drbd/drbd_receiver.c @@ -362,17 +362,14 @@ drbd_alloc_peer_req(struct drbd_peer_device *peer_device, u64 id, sector_t secto goto fail; } + memset(peer_req, 0, sizeof(*peer_req)); + INIT_LIST_HEAD(&peer_req->w.list); drbd_clear_interval(&peer_req->i); peer_req->i.size = data_size; peer_req->i.sector = sector; - peer_req->i.local = false; - peer_req->i.waiting = false; - - peer_req->epoch = NULL; + peer_req->submit_jif = jiffies; peer_req->peer_device = peer_device; peer_req->pages = page; - atomic_set(&peer_req->pending_bios, 0); - peer_req->flags = 0; /* * The block_id is opaque to the receiver. It is not endianness * converted, and sent back to the sender unchanged. @@ -389,11 +386,16 @@ drbd_alloc_peer_req(struct drbd_peer_device *peer_device, u64 id, sector_t secto void __drbd_free_peer_req(struct drbd_device *device, struct drbd_peer_request *peer_req, int is_net) { + might_sleep(); if (peer_req->flags & EE_HAS_DIGEST) kfree(peer_req->digest); drbd_free_pages(device, peer_req->pages, is_net); D_ASSERT(device, atomic_read(&peer_req->pending_bios) == 0); D_ASSERT(device, drbd_interval_empty(&peer_req->i)); + if (!expect(!(peer_req->flags & EE_CALL_AL_COMPLETE_IO))) { + peer_req->flags &= ~EE_CALL_AL_COMPLETE_IO; + drbd_al_complete_io(device, &peer_req->i); + } mempool_free(peer_req, drbd_ee_mempool); } @@ -791,8 +793,18 @@ static int receive_first_packet(struct drbd_connection *connection, struct socke { unsigned int header_size = drbd_header_size(connection); struct packet_info pi; + struct net_conf *nc; int err; + rcu_read_lock(); + nc = rcu_dereference(connection->net_conf); + if (!nc) { + rcu_read_unlock(); + return -EIO; + } + sock->sk->sk_rcvtimeo = nc->ping_timeo * 4 * HZ / 10; + rcu_read_unlock(); + err = drbd_recv_short(sock, connection->data.rbuf, header_size, 0); if (err != header_size) { if (err >= 0) @@ -809,7 +821,7 @@ static int receive_first_packet(struct drbd_connection *connection, struct socke * drbd_socket_okay() - Free the socket if its connection is not okay * @sock: pointer to the pointer to the socket. */ -static int drbd_socket_okay(struct socket **sock) +static bool drbd_socket_okay(struct socket **sock) { int rr; char tb[4]; @@ -827,6 +839,30 @@ static int drbd_socket_okay(struct socket **sock) return false; } } + +static bool connection_established(struct drbd_connection *connection, + struct socket **sock1, + struct socket **sock2) +{ + struct net_conf *nc; + int timeout; + bool ok; + + if (!*sock1 || !*sock2) + return false; + + rcu_read_lock(); + nc = rcu_dereference(connection->net_conf); + timeout = (nc->sock_check_timeo ?: nc->ping_timeo) * HZ / 10; + rcu_read_unlock(); + schedule_timeout_interruptible(timeout); + + ok = drbd_socket_okay(sock1); + ok = drbd_socket_okay(sock2) && ok; + + return ok; +} + /* Gets called if a connection is established, or if a new minor gets created in a connection */ int drbd_connected(struct drbd_peer_device *peer_device) @@ -868,8 +904,8 @@ static int conn_connect(struct drbd_connection *connection) struct drbd_socket sock, msock; struct drbd_peer_device *peer_device; struct net_conf *nc; - int vnr, timeout, h, ok; - bool discard_my_data; + int vnr, timeout, h; + bool discard_my_data, ok; enum drbd_state_rv rv; struct accept_wait_data ad = { .connection = connection, @@ -913,17 +949,8 @@ static int conn_connect(struct drbd_connection *connection) } } - if (sock.socket && msock.socket) { - rcu_read_lock(); - nc = rcu_dereference(connection->net_conf); - timeout = nc->ping_timeo * HZ / 10; - rcu_read_unlock(); - schedule_timeout_interruptible(timeout); - ok = drbd_socket_okay(&sock.socket); - ok = drbd_socket_okay(&msock.socket) && ok; - if (ok) - break; - } + if (connection_established(connection, &sock.socket, &msock.socket)) + break; retry: s = drbd_wait_for_connect(connection, &ad); @@ -969,8 +996,7 @@ randomize: goto out_release_sockets; } - ok = drbd_socket_okay(&sock.socket); - ok = drbd_socket_okay(&msock.socket) && ok; + ok = connection_established(connection, &sock.socket, &msock.socket); } while (!ok); if (ad.s_listen) @@ -1151,7 +1177,7 @@ static void drbd_flush(struct drbd_connection *connection) struct drbd_peer_device *peer_device; int vnr; - if (connection->write_ordering >= WO_bdev_flush) { + if (connection->resource->write_ordering >= WO_bdev_flush) { rcu_read_lock(); idr_for_each_entry(&connection->peer_devices, peer_device, vnr) { struct drbd_device *device = peer_device->device; @@ -1161,14 +1187,22 @@ static void drbd_flush(struct drbd_connection *connection) kref_get(&device->kref); rcu_read_unlock(); + /* Right now, we have only this one synchronous code path + * for flushes between request epochs. + * We may want to make those asynchronous, + * or at least parallelize the flushes to the volume devices. + */ + device->flush_jif = jiffies; + set_bit(FLUSH_PENDING, &device->flags); rv = blkdev_issue_flush(device->ldev->backing_bdev, GFP_NOIO, NULL); + clear_bit(FLUSH_PENDING, &device->flags); if (rv) { drbd_info(device, "local disk flush failed with status %d\n", rv); /* would rather check on EOPNOTSUPP, but that is not reliable. * don't try again for ANY return value != 0 * if (rv == -EOPNOTSUPP) */ - drbd_bump_write_ordering(connection, WO_drain_io); + drbd_bump_write_ordering(connection->resource, NULL, WO_drain_io); } put_ldev(device); kref_put(&device->kref, drbd_destroy_device); @@ -1257,15 +1291,30 @@ static enum finish_epoch drbd_may_finish_epoch(struct drbd_connection *connectio return rv; } +static enum write_ordering_e +max_allowed_wo(struct drbd_backing_dev *bdev, enum write_ordering_e wo) +{ + struct disk_conf *dc; + + dc = rcu_dereference(bdev->disk_conf); + + if (wo == WO_bdev_flush && !dc->disk_flushes) + wo = WO_drain_io; + if (wo == WO_drain_io && !dc->disk_drain) + wo = WO_none; + + return wo; +} + /** * drbd_bump_write_ordering() - Fall back to an other write ordering method * @connection: DRBD connection. * @wo: Write ordering method to try. */ -void drbd_bump_write_ordering(struct drbd_connection *connection, enum write_ordering_e wo) +void drbd_bump_write_ordering(struct drbd_resource *resource, struct drbd_backing_dev *bdev, + enum write_ordering_e wo) { - struct disk_conf *dc; - struct drbd_peer_device *peer_device; + struct drbd_device *device; enum write_ordering_e pwo; int vnr; static char *write_ordering_str[] = { @@ -1274,26 +1323,27 @@ void drbd_bump_write_ordering(struct drbd_connection *connection, enum write_ord [WO_bdev_flush] = "flush", }; - pwo = connection->write_ordering; - wo = min(pwo, wo); + pwo = resource->write_ordering; + if (wo != WO_bdev_flush) + wo = min(pwo, wo); rcu_read_lock(); - idr_for_each_entry(&connection->peer_devices, peer_device, vnr) { - struct drbd_device *device = peer_device->device; + idr_for_each_entry(&resource->devices, device, vnr) { + if (get_ldev(device)) { + wo = max_allowed_wo(device->ldev, wo); + if (device->ldev == bdev) + bdev = NULL; + put_ldev(device); + } + } - if (!get_ldev_if_state(device, D_ATTACHING)) - continue; - dc = rcu_dereference(device->ldev->disk_conf); + if (bdev) + wo = max_allowed_wo(bdev, wo); - if (wo == WO_bdev_flush && !dc->disk_flushes) - wo = WO_drain_io; - if (wo == WO_drain_io && !dc->disk_drain) - wo = WO_none; - put_ldev(device); - } rcu_read_unlock(); - connection->write_ordering = wo; - if (pwo != connection->write_ordering || wo == WO_bdev_flush) - drbd_info(connection, "Method to ensure write ordering: %s\n", write_ordering_str[connection->write_ordering]); + + resource->write_ordering = wo; + if (pwo != resource->write_ordering || wo == WO_bdev_flush) + drbd_info(resource, "Method to ensure write ordering: %s\n", write_ordering_str[resource->write_ordering]); } /** @@ -1330,6 +1380,13 @@ int drbd_submit_peer_request(struct drbd_device *device, /* wait for all pending IO completions, before we start * zeroing things out. */ conn_wait_active_ee_empty(first_peer_device(device)->connection); + /* add it to the active list now, + * so we can find it to present it in debugfs */ + peer_req->submit_jif = jiffies; + peer_req->flags |= EE_SUBMITTED; + spin_lock_irq(&device->resource->req_lock); + list_add_tail(&peer_req->w.list, &device->active_ee); + spin_unlock_irq(&device->resource->req_lock); if (blkdev_issue_zeroout(device->ldev->backing_bdev, sector, ds >> 9, GFP_NOIO)) peer_req->flags |= EE_WAS_ERROR; @@ -1398,6 +1455,9 @@ submit: D_ASSERT(device, page == NULL); atomic_set(&peer_req->pending_bios, n_bios); + /* for debugfs: update timestamp, mark as submitted */ + peer_req->submit_jif = jiffies; + peer_req->flags |= EE_SUBMITTED; do { bio = bios; bios = bios->bi_next; @@ -1471,7 +1531,7 @@ static int receive_Barrier(struct drbd_connection *connection, struct packet_inf * R_PRIMARY crashes now. * Therefore we must send the barrier_ack after the barrier request was * completed. */ - switch (connection->write_ordering) { + switch (connection->resource->write_ordering) { case WO_none: if (rv == FE_RECYCLED) return 0; @@ -1498,7 +1558,8 @@ static int receive_Barrier(struct drbd_connection *connection, struct packet_inf return 0; default: - drbd_err(connection, "Strangeness in connection->write_ordering %d\n", connection->write_ordering); + drbd_err(connection, "Strangeness in connection->write_ordering %d\n", + connection->resource->write_ordering); return -EIO; } @@ -1531,7 +1592,7 @@ read_in_block(struct drbd_peer_device *peer_device, u64 id, sector_t sector, struct drbd_peer_request *peer_req; struct page *page; int dgs, ds, err; - int data_size = pi->size; + unsigned int data_size = pi->size; void *dig_in = peer_device->connection->int_dig_in; void *dig_vv = peer_device->connection->int_dig_vv; unsigned long *data; @@ -1578,6 +1639,7 @@ read_in_block(struct drbd_peer_device *peer_device, u64 id, sector_t sector, if (!peer_req) return NULL; + peer_req->flags |= EE_WRITE; if (trim) return peer_req; @@ -1734,9 +1796,10 @@ static int recv_resync_read(struct drbd_peer_device *peer_device, sector_t secto * respective _drbd_clear_done_ee */ peer_req->w.cb = e_end_resync_block; + peer_req->submit_jif = jiffies; spin_lock_irq(&device->resource->req_lock); - list_add(&peer_req->w.list, &device->sync_ee); + list_add_tail(&peer_req->w.list, &device->sync_ee); spin_unlock_irq(&device->resource->req_lock); atomic_add(pi->size >> 9, &device->rs_sect_ev); @@ -1889,6 +1952,7 @@ static int e_end_block(struct drbd_work *w, int cancel) } dec_unacked(device); } + /* we delete from the conflict detection hash _after_ we sent out the * P_WRITE_ACK / P_NEG_ACK, to get the sequence number right. */ if (peer_req->flags & EE_IN_INTERVAL_TREE) { @@ -2115,6 +2179,8 @@ static int handle_write_conflicts(struct drbd_device *device, drbd_for_each_overlap(i, &device->write_requests, sector, size) { if (i == &peer_req->i) continue; + if (i->completed) + continue; if (!i->local) { /* @@ -2147,7 +2213,6 @@ static int handle_write_conflicts(struct drbd_device *device, (unsigned long long)sector, size, superseded ? "local" : "remote"); - inc_unacked(device); peer_req->w.cb = superseded ? e_send_superseded : e_send_retry_write; list_add_tail(&peer_req->w.list, &device->done_ee); @@ -2206,6 +2271,7 @@ static int receive_Data(struct drbd_connection *connection, struct packet_info * { struct drbd_peer_device *peer_device; struct drbd_device *device; + struct net_conf *nc; sector_t sector; struct drbd_peer_request *peer_req; struct p_data *p = pi->data; @@ -2245,6 +2311,8 @@ static int receive_Data(struct drbd_connection *connection, struct packet_info * } peer_req->w.cb = e_end_block; + peer_req->submit_jif = jiffies; + peer_req->flags |= EE_APPLICATION; dp_flags = be32_to_cpu(p->dp_flags); rw |= wire_flags_to_bio(dp_flags); @@ -2271,9 +2339,36 @@ static int receive_Data(struct drbd_connection *connection, struct packet_info * spin_unlock(&connection->epoch_lock); rcu_read_lock(); - tp = rcu_dereference(peer_device->connection->net_conf)->two_primaries; + nc = rcu_dereference(peer_device->connection->net_conf); + tp = nc->two_primaries; + if (peer_device->connection->agreed_pro_version < 100) { + switch (nc->wire_protocol) { + case DRBD_PROT_C: + dp_flags |= DP_SEND_WRITE_ACK; + break; + case DRBD_PROT_B: + dp_flags |= DP_SEND_RECEIVE_ACK; + break; + } + } rcu_read_unlock(); + + if (dp_flags & DP_SEND_WRITE_ACK) { + peer_req->flags |= EE_SEND_WRITE_ACK; + inc_unacked(device); + /* corresponding dec_unacked() in e_end_block() + * respective _drbd_clear_done_ee */ + } + + if (dp_flags & DP_SEND_RECEIVE_ACK) { + /* I really don't like it that the receiver thread + * sends on the msock, but anyways */ + drbd_send_ack(first_peer_device(device), P_RECV_ACK, peer_req); + } + if (tp) { + /* two primaries implies protocol C */ + D_ASSERT(device, dp_flags & DP_SEND_WRITE_ACK); peer_req->flags |= EE_IN_INTERVAL_TREE; err = wait_for_and_update_peer_seq(peer_device, peer_seq); if (err) @@ -2297,44 +2392,18 @@ static int receive_Data(struct drbd_connection *connection, struct packet_info * * active_ee to become empty in drbd_submit_peer_request(); * better not add ourselves here. */ if ((peer_req->flags & EE_IS_TRIM_USE_ZEROOUT) == 0) - list_add(&peer_req->w.list, &device->active_ee); + list_add_tail(&peer_req->w.list, &device->active_ee); spin_unlock_irq(&device->resource->req_lock); if (device->state.conn == C_SYNC_TARGET) wait_event(device->ee_wait, !overlapping_resync_write(device, peer_req)); - if (peer_device->connection->agreed_pro_version < 100) { - rcu_read_lock(); - switch (rcu_dereference(peer_device->connection->net_conf)->wire_protocol) { - case DRBD_PROT_C: - dp_flags |= DP_SEND_WRITE_ACK; - break; - case DRBD_PROT_B: - dp_flags |= DP_SEND_RECEIVE_ACK; - break; - } - rcu_read_unlock(); - } - - if (dp_flags & DP_SEND_WRITE_ACK) { - peer_req->flags |= EE_SEND_WRITE_ACK; - inc_unacked(device); - /* corresponding dec_unacked() in e_end_block() - * respective _drbd_clear_done_ee */ - } - - if (dp_flags & DP_SEND_RECEIVE_ACK) { - /* I really don't like it that the receiver thread - * sends on the msock, but anyways */ - drbd_send_ack(first_peer_device(device), P_RECV_ACK, peer_req); - } - if (device->state.pdsk < D_INCONSISTENT) { /* In case we have the only disk of the cluster, */ drbd_set_out_of_sync(device, peer_req->i.sector, peer_req->i.size); - peer_req->flags |= EE_CALL_AL_COMPLETE_IO; peer_req->flags &= ~EE_MAY_SET_IN_SYNC; - drbd_al_begin_io(device, &peer_req->i, true); + drbd_al_begin_io(device, &peer_req->i); + peer_req->flags |= EE_CALL_AL_COMPLETE_IO; } err = drbd_submit_peer_request(device, peer_req, rw, DRBD_FAULT_DT_WR); @@ -2347,8 +2416,10 @@ static int receive_Data(struct drbd_connection *connection, struct packet_info * list_del(&peer_req->w.list); drbd_remove_epoch_entry_interval(device, peer_req); spin_unlock_irq(&device->resource->req_lock); - if (peer_req->flags & EE_CALL_AL_COMPLETE_IO) + if (peer_req->flags & EE_CALL_AL_COMPLETE_IO) { + peer_req->flags &= ~EE_CALL_AL_COMPLETE_IO; drbd_al_complete_io(device, &peer_req->i); + } out_interrupted: drbd_may_finish_epoch(connection, peer_req->epoch, EV_PUT + EV_CLEANUP); @@ -2368,13 +2439,14 @@ out_interrupted: * The current sync rate used here uses only the most recent two step marks, * to have a short time average so we can react faster. */ -bool drbd_rs_should_slow_down(struct drbd_device *device, sector_t sector) +bool drbd_rs_should_slow_down(struct drbd_device *device, sector_t sector, + bool throttle_if_app_is_waiting) { struct lc_element *tmp; - bool throttle = true; + bool throttle = drbd_rs_c_min_rate_throttle(device); - if (!drbd_rs_c_min_rate_throttle(device)) - return false; + if (!throttle || throttle_if_app_is_waiting) + return throttle; spin_lock_irq(&device->al_lock); tmp = lc_find(device->resync, BM_SECT_TO_EXT(sector)); @@ -2382,7 +2454,8 @@ bool drbd_rs_should_slow_down(struct drbd_device *device, sector_t sector) struct bm_extent *bm_ext = lc_entry(tmp, struct bm_extent, lce); if (test_bit(BME_PRIORITY, &bm_ext->flags)) throttle = false; - /* Do not slow down if app IO is already waiting for this extent */ + /* Do not slow down if app IO is already waiting for this extent, + * and our progress is necessary for application IO to complete. */ } spin_unlock_irq(&device->al_lock); @@ -2407,7 +2480,9 @@ bool drbd_rs_c_min_rate_throttle(struct drbd_device *device) curr_events = (int)part_stat_read(&disk->part0, sectors[0]) + (int)part_stat_read(&disk->part0, sectors[1]) - atomic_read(&device->rs_sect_ev); - if (!device->rs_last_events || curr_events - device->rs_last_events > 64) { + + if (atomic_read(&device->ap_actlog_cnt) + || !device->rs_last_events || curr_events - device->rs_last_events > 64) { unsigned long rs_left; int i; @@ -2508,6 +2583,7 @@ static int receive_DataRequest(struct drbd_connection *connection, struct packet peer_req->w.cb = w_e_end_data_req; fault_type = DRBD_FAULT_DT_RD; /* application IO, don't drbd_rs_begin_io */ + peer_req->flags |= EE_APPLICATION; goto submit; case P_RS_DATA_REQUEST: @@ -2538,6 +2614,8 @@ static int receive_DataRequest(struct drbd_connection *connection, struct packet peer_req->w.cb = w_e_end_csum_rs_req; /* used in the sector offset progress display */ device->bm_resync_fo = BM_SECT_TO_BIT(sector); + /* remember to report stats in drbd_resync_finished */ + device->use_csums = true; } else if (pi->cmd == P_OV_REPLY) { /* track progress, we may need to throttle */ atomic_add(size >> 9, &device->rs_sect_in); @@ -2595,8 +2673,20 @@ static int receive_DataRequest(struct drbd_connection *connection, struct packet * we would also throttle its application reads. * In that case, throttling is done on the SyncTarget only. */ - if (device->state.peer != R_PRIMARY && drbd_rs_should_slow_down(device, sector)) + + /* Even though this may be a resync request, we do add to "read_ee"; + * "sync_ee" is only used for resync WRITEs. + * Add to list early, so debugfs can find this request + * even if we have to sleep below. */ + spin_lock_irq(&device->resource->req_lock); + list_add_tail(&peer_req->w.list, &device->read_ee); + spin_unlock_irq(&device->resource->req_lock); + + update_receiver_timing_details(connection, drbd_rs_should_slow_down); + if (device->state.peer != R_PRIMARY + && drbd_rs_should_slow_down(device, sector, false)) schedule_timeout_uninterruptible(HZ/10); + update_receiver_timing_details(connection, drbd_rs_begin_io); if (drbd_rs_begin_io(device, sector)) goto out_free_e; @@ -2604,22 +2694,20 @@ submit_for_resync: atomic_add(size >> 9, &device->rs_sect_ev); submit: + update_receiver_timing_details(connection, drbd_submit_peer_request); inc_unacked(device); - spin_lock_irq(&device->resource->req_lock); - list_add_tail(&peer_req->w.list, &device->read_ee); - spin_unlock_irq(&device->resource->req_lock); - if (drbd_submit_peer_request(device, peer_req, READ, fault_type) == 0) return 0; /* don't care for the reason here */ drbd_err(device, "submit failed, triggering re-connect\n"); + +out_free_e: spin_lock_irq(&device->resource->req_lock); list_del(&peer_req->w.list); spin_unlock_irq(&device->resource->req_lock); /* no drbd_rs_complete_io(), we are dropping the connection anyways */ -out_free_e: put_ldev(device); drbd_free_peer_req(device, peer_req); return -EIO; @@ -2842,8 +2930,10 @@ static void drbd_uuid_dump(struct drbd_device *device, char *text, u64 *uuid, -1091 requires proto 91 -1096 requires proto 96 */ -static int drbd_uuid_compare(struct drbd_device *device, int *rule_nr) __must_hold(local) +static int drbd_uuid_compare(struct drbd_device *const device, int *rule_nr) __must_hold(local) { + struct drbd_peer_device *const peer_device = first_peer_device(device); + struct drbd_connection *const connection = peer_device ? peer_device->connection : NULL; u64 self, peer; int i, j; @@ -2869,7 +2959,7 @@ static int drbd_uuid_compare(struct drbd_device *device, int *rule_nr) __must_ho if (device->p_uuid[UI_BITMAP] == (u64)0 && device->ldev->md.uuid[UI_BITMAP] != (u64)0) { - if (first_peer_device(device)->connection->agreed_pro_version < 91) + if (connection->agreed_pro_version < 91) return -1091; if ((device->ldev->md.uuid[UI_BITMAP] & ~((u64)1)) == (device->p_uuid[UI_HISTORY_START] & ~((u64)1)) && @@ -2892,7 +2982,7 @@ static int drbd_uuid_compare(struct drbd_device *device, int *rule_nr) __must_ho if (device->ldev->md.uuid[UI_BITMAP] == (u64)0 && device->p_uuid[UI_BITMAP] != (u64)0) { - if (first_peer_device(device)->connection->agreed_pro_version < 91) + if (connection->agreed_pro_version < 91) return -1091; if ((device->ldev->md.uuid[UI_HISTORY_START] & ~((u64)1)) == (device->p_uuid[UI_BITMAP] & ~((u64)1)) && @@ -2925,7 +3015,7 @@ static int drbd_uuid_compare(struct drbd_device *device, int *rule_nr) __must_ho case 1: /* self_pri && !peer_pri */ return 1; case 2: /* !self_pri && peer_pri */ return -1; case 3: /* self_pri && peer_pri */ - dc = test_bit(RESOLVE_CONFLICTS, &first_peer_device(device)->connection->flags); + dc = test_bit(RESOLVE_CONFLICTS, &connection->flags); return dc ? -1 : 1; } } @@ -2938,14 +3028,14 @@ static int drbd_uuid_compare(struct drbd_device *device, int *rule_nr) __must_ho *rule_nr = 51; peer = device->p_uuid[UI_HISTORY_START] & ~((u64)1); if (self == peer) { - if (first_peer_device(device)->connection->agreed_pro_version < 96 ? + if (connection->agreed_pro_version < 96 ? (device->ldev->md.uuid[UI_HISTORY_START] & ~((u64)1)) == (device->p_uuid[UI_HISTORY_START + 1] & ~((u64)1)) : peer + UUID_NEW_BM_OFFSET == (device->p_uuid[UI_BITMAP] & ~((u64)1))) { /* The last P_SYNC_UUID did not get though. Undo the last start of resync as sync source modifications of the peer's UUIDs. */ - if (first_peer_device(device)->connection->agreed_pro_version < 91) + if (connection->agreed_pro_version < 91) return -1091; device->p_uuid[UI_BITMAP] = device->p_uuid[UI_HISTORY_START]; @@ -2975,14 +3065,14 @@ static int drbd_uuid_compare(struct drbd_device *device, int *rule_nr) __must_ho *rule_nr = 71; self = device->ldev->md.uuid[UI_HISTORY_START] & ~((u64)1); if (self == peer) { - if (first_peer_device(device)->connection->agreed_pro_version < 96 ? + if (connection->agreed_pro_version < 96 ? (device->ldev->md.uuid[UI_HISTORY_START + 1] & ~((u64)1)) == (device->p_uuid[UI_HISTORY_START] & ~((u64)1)) : self + UUID_NEW_BM_OFFSET == (device->ldev->md.uuid[UI_BITMAP] & ~((u64)1))) { /* The last P_SYNC_UUID did not get though. Undo the last start of resync as sync source modifications of our UUIDs. */ - if (first_peer_device(device)->connection->agreed_pro_version < 91) + if (connection->agreed_pro_version < 91) return -1091; __drbd_uuid_set(device, UI_BITMAP, device->ldev->md.uuid[UI_HISTORY_START]); @@ -3352,8 +3442,7 @@ disconnect: * return: NULL (alg name was "") * ERR_PTR(error) if something goes wrong * or the crypto hash ptr, if it worked out ok. */ -static -struct crypto_hash *drbd_crypto_alloc_digest_safe(const struct drbd_device *device, +static struct crypto_hash *drbd_crypto_alloc_digest_safe(const struct drbd_device *device, const char *alg, const char *name) { struct crypto_hash *tfm; @@ -3639,7 +3728,7 @@ static int receive_sizes(struct drbd_connection *connection, struct packet_info struct drbd_device *device; struct p_sizes *p = pi->data; enum determine_dev_size dd = DS_UNCHANGED; - sector_t p_size, p_usize, my_usize; + sector_t p_size, p_usize, p_csize, my_usize; int ldsc = 0; /* local disk size changed */ enum dds_flags ddsf; @@ -3650,6 +3739,7 @@ static int receive_sizes(struct drbd_connection *connection, struct packet_info p_size = be64_to_cpu(p->d_size); p_usize = be64_to_cpu(p->u_size); + p_csize = be64_to_cpu(p->c_size); /* just store the peer's disk size for now. * we still need to figure out whether we accept that. */ @@ -3710,7 +3800,6 @@ static int receive_sizes(struct drbd_connection *connection, struct packet_info } device->peer_max_bio_size = be32_to_cpu(p->max_bio_size); - drbd_reconsider_max_bio_size(device); /* Leave drbd_reconsider_max_bio_size() before drbd_determine_dev_size(). In case we cleared the QUEUE_FLAG_DISCARD from our queue in drbd_reconsider_max_bio_size(), we can be sure that after @@ -3718,14 +3807,28 @@ static int receive_sizes(struct drbd_connection *connection, struct packet_info ddsf = be16_to_cpu(p->dds_flags); if (get_ldev(device)) { + drbd_reconsider_max_bio_size(device, device->ldev); dd = drbd_determine_dev_size(device, ddsf, NULL); put_ldev(device); if (dd == DS_ERROR) return -EIO; drbd_md_sync(device); } else { - /* I am diskless, need to accept the peer's size. */ - drbd_set_my_capacity(device, p_size); + /* + * I am diskless, need to accept the peer's *current* size. + * I must NOT accept the peers backing disk size, + * it may have been larger than mine all along... + * + * At this point, the peer knows more about my disk, or at + * least about what we last agreed upon, than myself. + * So if his c_size is less than his d_size, the most likely + * reason is that *my* d_size was smaller last time we checked. + * + * However, if he sends a zero current size, + * take his (user-capped or) backing disk size anyways. + */ + drbd_reconsider_max_bio_size(device, NULL); + drbd_set_my_capacity(device, p_csize ?: p_usize ?: p_size); } if (get_ldev(device)) { @@ -4501,6 +4604,7 @@ static void drbdd(struct drbd_connection *connection) struct data_cmd *cmd; drbd_thread_current_set_cpu(&connection->receiver); + update_receiver_timing_details(connection, drbd_recv_header); if (drbd_recv_header(connection, &pi)) goto err_out; @@ -4519,12 +4623,14 @@ static void drbdd(struct drbd_connection *connection) } if (shs) { + update_receiver_timing_details(connection, drbd_recv_all_warn); err = drbd_recv_all_warn(connection, pi.data, shs); if (err) goto err_out; pi.size -= shs; } + update_receiver_timing_details(connection, cmd->fn); err = cmd->fn(connection, &pi); if (err) { drbd_err(connection, "error receiving %s, e: %d l: %d!\n", diff --git a/drivers/block/drbd/drbd_req.c b/drivers/block/drbd/drbd_req.c index 09803d0d5207..c67717d572d1 100644 --- a/drivers/block/drbd/drbd_req.c +++ b/drivers/block/drbd/drbd_req.c @@ -52,7 +52,7 @@ static void _drbd_start_io_acct(struct drbd_device *device, struct drbd_request static void _drbd_end_io_acct(struct drbd_device *device, struct drbd_request *req) { int rw = bio_data_dir(req->master_bio); - unsigned long duration = jiffies - req->start_time; + unsigned long duration = jiffies - req->start_jif; int cpu; cpu = part_stat_lock(); part_stat_add(cpu, &device->vdisk->part0, ticks[rw], duration); @@ -66,7 +66,7 @@ static struct drbd_request *drbd_req_new(struct drbd_device *device, { struct drbd_request *req; - req = mempool_alloc(drbd_request_mempool, GFP_NOIO); + req = mempool_alloc(drbd_request_mempool, GFP_NOIO | __GFP_ZERO); if (!req) return NULL; @@ -84,6 +84,8 @@ static struct drbd_request *drbd_req_new(struct drbd_device *device, INIT_LIST_HEAD(&req->tl_requests); INIT_LIST_HEAD(&req->w.list); + INIT_LIST_HEAD(&req->req_pending_master_completion); + INIT_LIST_HEAD(&req->req_pending_local); /* one reference to be put by __drbd_make_request */ atomic_set(&req->completion_ref, 1); @@ -92,6 +94,19 @@ static struct drbd_request *drbd_req_new(struct drbd_device *device, return req; } +static void drbd_remove_request_interval(struct rb_root *root, + struct drbd_request *req) +{ + struct drbd_device *device = req->device; + struct drbd_interval *i = &req->i; + + drbd_remove_interval(root, i); + + /* Wake up any processes waiting for this request to complete. */ + if (i->waiting) + wake_up(&device->misc_wait); +} + void drbd_req_destroy(struct kref *kref) { struct drbd_request *req = container_of(kref, struct drbd_request, kref); @@ -107,14 +122,30 @@ void drbd_req_destroy(struct kref *kref) return; } - /* remove it from the transfer log. - * well, only if it had been there in the first - * place... if it had not (local only or conflicting - * and never sent), it should still be "empty" as - * initialized in drbd_req_new(), so we can list_del() it - * here unconditionally */ + /* If called from mod_rq_state (expected normal case) or + * drbd_send_and_submit (the less likely normal path), this holds the + * req_lock, and req->tl_requests will typicaly be on ->transfer_log, + * though it may be still empty (never added to the transfer log). + * + * If called from do_retry(), we do NOT hold the req_lock, but we are + * still allowed to unconditionally list_del(&req->tl_requests), + * because it will be on a local on-stack list only. */ list_del_init(&req->tl_requests); + /* finally remove the request from the conflict detection + * respective block_id verification interval tree. */ + if (!drbd_interval_empty(&req->i)) { + struct rb_root *root; + + if (s & RQ_WRITE) + root = &device->write_requests; + else + root = &device->read_requests; + drbd_remove_request_interval(root, req); + } else if (s & (RQ_NET_MASK & ~RQ_NET_DONE) && req->i.size != 0) + drbd_err(device, "drbd_req_destroy: Logic BUG: interval empty, but: rq_state=0x%x, sect=%llu, size=%u\n", + s, (unsigned long long)req->i.sector, req->i.size); + /* if it was a write, we may have to set the corresponding * bit(s) out-of-sync first. If it had a local part, we need to * release the reference to the activity log. */ @@ -188,19 +219,6 @@ void complete_master_bio(struct drbd_device *device, } -static void drbd_remove_request_interval(struct rb_root *root, - struct drbd_request *req) -{ - struct drbd_device *device = req->device; - struct drbd_interval *i = &req->i; - - drbd_remove_interval(root, i); - - /* Wake up any processes waiting for this request to complete. */ - if (i->waiting) - wake_up(&device->misc_wait); -} - /* Helper for __req_mod(). * Set m->bio to the master bio, if it is fit to be completed, * or leave it alone (it is initialized to NULL in __req_mod), @@ -254,18 +272,6 @@ void drbd_req_complete(struct drbd_request *req, struct bio_and_error *m) ok = (s & RQ_LOCAL_OK) || (s & RQ_NET_OK); error = PTR_ERR(req->private_bio); - /* remove the request from the conflict detection - * respective block_id verification hash */ - if (!drbd_interval_empty(&req->i)) { - struct rb_root *root; - - if (rw == WRITE) - root = &device->write_requests; - else - root = &device->read_requests; - drbd_remove_request_interval(root, req); - } - /* Before we can signal completion to the upper layers, * we may need to close the current transfer log epoch. * We are within the request lock, so we can simply compare @@ -301,9 +307,24 @@ void drbd_req_complete(struct drbd_request *req, struct bio_and_error *m) m->error = ok ? 0 : (error ?: -EIO); m->bio = req->master_bio; req->master_bio = NULL; + /* We leave it in the tree, to be able to verify later + * write-acks in protocol != C during resync. + * But we mark it as "complete", so it won't be counted as + * conflict in a multi-primary setup. */ + req->i.completed = true; } + + if (req->i.waiting) + wake_up(&device->misc_wait); + + /* Either we are about to complete to upper layers, + * or we will restart this request. + * In either case, the request object will be destroyed soon, + * so better remove it from all lists. */ + list_del_init(&req->req_pending_master_completion); } +/* still holds resource->req_lock */ static int drbd_req_put_completion_ref(struct drbd_request *req, struct bio_and_error *m, int put) { struct drbd_device *device = req->device; @@ -324,12 +345,91 @@ static int drbd_req_put_completion_ref(struct drbd_request *req, struct bio_and_ return 1; } +static void set_if_null_req_next(struct drbd_peer_device *peer_device, struct drbd_request *req) +{ + struct drbd_connection *connection = peer_device ? peer_device->connection : NULL; + if (!connection) + return; + if (connection->req_next == NULL) + connection->req_next = req; +} + +static void advance_conn_req_next(struct drbd_peer_device *peer_device, struct drbd_request *req) +{ + struct drbd_connection *connection = peer_device ? peer_device->connection : NULL; + if (!connection) + return; + if (connection->req_next != req) + return; + list_for_each_entry_continue(req, &connection->transfer_log, tl_requests) { + const unsigned s = req->rq_state; + if (s & RQ_NET_QUEUED) + break; + } + if (&req->tl_requests == &connection->transfer_log) + req = NULL; + connection->req_next = req; +} + +static void set_if_null_req_ack_pending(struct drbd_peer_device *peer_device, struct drbd_request *req) +{ + struct drbd_connection *connection = peer_device ? peer_device->connection : NULL; + if (!connection) + return; + if (connection->req_ack_pending == NULL) + connection->req_ack_pending = req; +} + +static void advance_conn_req_ack_pending(struct drbd_peer_device *peer_device, struct drbd_request *req) +{ + struct drbd_connection *connection = peer_device ? peer_device->connection : NULL; + if (!connection) + return; + if (connection->req_ack_pending != req) + return; + list_for_each_entry_continue(req, &connection->transfer_log, tl_requests) { + const unsigned s = req->rq_state; + if ((s & RQ_NET_SENT) && (s & RQ_NET_PENDING)) + break; + } + if (&req->tl_requests == &connection->transfer_log) + req = NULL; + connection->req_ack_pending = req; +} + +static void set_if_null_req_not_net_done(struct drbd_peer_device *peer_device, struct drbd_request *req) +{ + struct drbd_connection *connection = peer_device ? peer_device->connection : NULL; + if (!connection) + return; + if (connection->req_not_net_done == NULL) + connection->req_not_net_done = req; +} + +static void advance_conn_req_not_net_done(struct drbd_peer_device *peer_device, struct drbd_request *req) +{ + struct drbd_connection *connection = peer_device ? peer_device->connection : NULL; + if (!connection) + return; + if (connection->req_not_net_done != req) + return; + list_for_each_entry_continue(req, &connection->transfer_log, tl_requests) { + const unsigned s = req->rq_state; + if ((s & RQ_NET_SENT) && !(s & RQ_NET_DONE)) + break; + } + if (&req->tl_requests == &connection->transfer_log) + req = NULL; + connection->req_not_net_done = req; +} + /* I'd like this to be the only place that manipulates * req->completion_ref and req->kref. */ static void mod_rq_state(struct drbd_request *req, struct bio_and_error *m, int clear, int set) { struct drbd_device *device = req->device; + struct drbd_peer_device *peer_device = first_peer_device(device); unsigned s = req->rq_state; int c_put = 0; int k_put = 0; @@ -356,14 +456,23 @@ static void mod_rq_state(struct drbd_request *req, struct bio_and_error *m, atomic_inc(&req->completion_ref); } - if (!(s & RQ_NET_QUEUED) && (set & RQ_NET_QUEUED)) + if (!(s & RQ_NET_QUEUED) && (set & RQ_NET_QUEUED)) { atomic_inc(&req->completion_ref); + set_if_null_req_next(peer_device, req); + } if (!(s & RQ_EXP_BARR_ACK) && (set & RQ_EXP_BARR_ACK)) kref_get(&req->kref); /* wait for the DONE */ - if (!(s & RQ_NET_SENT) && (set & RQ_NET_SENT)) - atomic_add(req->i.size >> 9, &device->ap_in_flight); + if (!(s & RQ_NET_SENT) && (set & RQ_NET_SENT)) { + /* potentially already completed in the asender thread */ + if (!(s & RQ_NET_DONE)) { + atomic_add(req->i.size >> 9, &device->ap_in_flight); + set_if_null_req_not_net_done(peer_device, req); + } + if (s & RQ_NET_PENDING) + set_if_null_req_ack_pending(peer_device, req); + } if (!(s & RQ_COMPLETION_SUSP) && (set & RQ_COMPLETION_SUSP)) atomic_inc(&req->completion_ref); @@ -386,20 +495,34 @@ static void mod_rq_state(struct drbd_request *req, struct bio_and_error *m, ++k_put; else ++c_put; + list_del_init(&req->req_pending_local); } if ((s & RQ_NET_PENDING) && (clear & RQ_NET_PENDING)) { dec_ap_pending(device); ++c_put; + req->acked_jif = jiffies; + advance_conn_req_ack_pending(peer_device, req); } - if ((s & RQ_NET_QUEUED) && (clear & RQ_NET_QUEUED)) + if ((s & RQ_NET_QUEUED) && (clear & RQ_NET_QUEUED)) { ++c_put; + advance_conn_req_next(peer_device, req); + } - if ((s & RQ_EXP_BARR_ACK) && !(s & RQ_NET_DONE) && (set & RQ_NET_DONE)) { - if (req->rq_state & RQ_NET_SENT) + if (!(s & RQ_NET_DONE) && (set & RQ_NET_DONE)) { + if (s & RQ_NET_SENT) atomic_sub(req->i.size >> 9, &device->ap_in_flight); - ++k_put; + if (s & RQ_EXP_BARR_ACK) + ++k_put; + req->net_done_jif = jiffies; + + /* in ahead/behind mode, or just in case, + * before we finally destroy this request, + * the caching pointers must not reference it anymore */ + advance_conn_req_next(peer_device, req); + advance_conn_req_ack_pending(peer_device, req); + advance_conn_req_not_net_done(peer_device, req); } /* potentially complete and destroy */ @@ -439,6 +562,19 @@ static void drbd_report_io_error(struct drbd_device *device, struct drbd_request bdevname(device->ldev->backing_bdev, b)); } +/* Helper for HANDED_OVER_TO_NETWORK. + * Is this a protocol A write (neither WRITE_ACK nor RECEIVE_ACK expected)? + * Is it also still "PENDING"? + * --> If so, clear PENDING and set NET_OK below. + * If it is a protocol A write, but not RQ_PENDING anymore, neg-ack was faster + * (and we must not set RQ_NET_OK) */ +static inline bool is_pending_write_protocol_A(struct drbd_request *req) +{ + return (req->rq_state & + (RQ_WRITE|RQ_NET_PENDING|RQ_EXP_WRITE_ACK|RQ_EXP_RECEIVE_ACK)) + == (RQ_WRITE|RQ_NET_PENDING); +} + /* obviously this could be coded as many single functions * instead of one huge switch, * or by putting the code directly in the respective locations @@ -454,7 +590,9 @@ static void drbd_report_io_error(struct drbd_device *device, struct drbd_request int __req_mod(struct drbd_request *req, enum drbd_req_event what, struct bio_and_error *m) { - struct drbd_device *device = req->device; + struct drbd_device *const device = req->device; + struct drbd_peer_device *const peer_device = first_peer_device(device); + struct drbd_connection *const connection = peer_device ? peer_device->connection : NULL; struct net_conf *nc; int p, rv = 0; @@ -477,7 +615,7 @@ int __req_mod(struct drbd_request *req, enum drbd_req_event what, * and from w_read_retry_remote */ D_ASSERT(device, !(req->rq_state & RQ_NET_MASK)); rcu_read_lock(); - nc = rcu_dereference(first_peer_device(device)->connection->net_conf); + nc = rcu_dereference(connection->net_conf); p = nc->wire_protocol; rcu_read_unlock(); req->rq_state |= @@ -549,7 +687,7 @@ int __req_mod(struct drbd_request *req, enum drbd_req_event what, D_ASSERT(device, (req->rq_state & RQ_LOCAL_MASK) == 0); mod_rq_state(req, m, 0, RQ_NET_QUEUED); req->w.cb = w_send_read_req; - drbd_queue_work(&first_peer_device(device)->connection->sender_work, + drbd_queue_work(&connection->sender_work, &req->w); break; @@ -585,23 +723,23 @@ int __req_mod(struct drbd_request *req, enum drbd_req_event what, D_ASSERT(device, req->rq_state & RQ_NET_PENDING); mod_rq_state(req, m, 0, RQ_NET_QUEUED|RQ_EXP_BARR_ACK); req->w.cb = w_send_dblock; - drbd_queue_work(&first_peer_device(device)->connection->sender_work, + drbd_queue_work(&connection->sender_work, &req->w); /* close the epoch, in case it outgrew the limit */ rcu_read_lock(); - nc = rcu_dereference(first_peer_device(device)->connection->net_conf); + nc = rcu_dereference(connection->net_conf); p = nc->max_epoch_size; rcu_read_unlock(); - if (first_peer_device(device)->connection->current_tle_writes >= p) - start_new_tl_epoch(first_peer_device(device)->connection); + if (connection->current_tle_writes >= p) + start_new_tl_epoch(connection); break; case QUEUE_FOR_SEND_OOS: mod_rq_state(req, m, 0, RQ_NET_QUEUED); req->w.cb = w_send_out_of_sync; - drbd_queue_work(&first_peer_device(device)->connection->sender_work, + drbd_queue_work(&connection->sender_work, &req->w); break; @@ -615,18 +753,16 @@ int __req_mod(struct drbd_request *req, enum drbd_req_event what, case HANDED_OVER_TO_NETWORK: /* assert something? */ - if (bio_data_dir(req->master_bio) == WRITE && - !(req->rq_state & (RQ_EXP_RECEIVE_ACK | RQ_EXP_WRITE_ACK))) { + if (is_pending_write_protocol_A(req)) /* this is what is dangerous about protocol A: * pretend it was successfully written on the peer. */ - if (req->rq_state & RQ_NET_PENDING) - mod_rq_state(req, m, RQ_NET_PENDING, RQ_NET_OK); - /* else: neg-ack was faster... */ - /* it is still not yet RQ_NET_DONE until the - * corresponding epoch barrier got acked as well, - * so we know what to dirty on connection loss */ - } - mod_rq_state(req, m, RQ_NET_QUEUED, RQ_NET_SENT); + mod_rq_state(req, m, RQ_NET_QUEUED|RQ_NET_PENDING, + RQ_NET_SENT|RQ_NET_OK); + else + mod_rq_state(req, m, RQ_NET_QUEUED, RQ_NET_SENT); + /* It is still not yet RQ_NET_DONE until the + * corresponding epoch barrier got acked as well, + * so we know what to dirty on connection loss. */ break; case OOS_HANDED_TO_NETWORK: @@ -658,12 +794,13 @@ int __req_mod(struct drbd_request *req, enum drbd_req_event what, case WRITE_ACKED_BY_PEER_AND_SIS: req->rq_state |= RQ_NET_SIS; case WRITE_ACKED_BY_PEER: - D_ASSERT(device, req->rq_state & RQ_EXP_WRITE_ACK); - /* protocol C; successfully written on peer. + /* Normal operation protocol C: successfully written on peer. + * During resync, even in protocol != C, + * we requested an explicit write ack anyways. + * Which means we cannot even assert anything here. * Nothing more to do here. * We want to keep the tl in place for all protocols, to cater * for volatile write-back caches on lower level devices. */ - goto ack_common; case RECV_ACKED_BY_PEER: D_ASSERT(device, req->rq_state & RQ_EXP_RECEIVE_ACK); @@ -671,7 +808,6 @@ int __req_mod(struct drbd_request *req, enum drbd_req_event what, * see also notes above in HANDED_OVER_TO_NETWORK about * protocol != C */ ack_common: - D_ASSERT(device, req->rq_state & RQ_NET_PENDING); mod_rq_state(req, m, RQ_NET_PENDING, RQ_NET_OK); break; @@ -714,7 +850,7 @@ int __req_mod(struct drbd_request *req, enum drbd_req_event what, get_ldev(device); /* always succeeds in this call path */ req->w.cb = w_restart_disk_io; - drbd_queue_work(&first_peer_device(device)->connection->sender_work, + drbd_queue_work(&connection->sender_work, &req->w); break; @@ -736,7 +872,8 @@ int __req_mod(struct drbd_request *req, enum drbd_req_event what, mod_rq_state(req, m, RQ_COMPLETION_SUSP, RQ_NET_QUEUED|RQ_NET_PENDING); if (req->w.cb) { - drbd_queue_work(&first_peer_device(device)->connection->sender_work, + /* w.cb expected to be w_send_dblock, or w_send_read_req */ + drbd_queue_work(&connection->sender_work, &req->w); rv = req->rq_state & RQ_WRITE ? MR_WRITE : MR_READ; } /* else: FIXME can this happen? */ @@ -769,7 +906,7 @@ int __req_mod(struct drbd_request *req, enum drbd_req_event what, break; case QUEUE_AS_DRBD_BARRIER: - start_new_tl_epoch(first_peer_device(device)->connection); + start_new_tl_epoch(connection); mod_rq_state(req, m, 0, RQ_NET_OK|RQ_NET_DONE); break; }; @@ -886,6 +1023,9 @@ static void maybe_pull_ahead(struct drbd_device *device) connection->agreed_pro_version < 96) return; + if (on_congestion == OC_PULL_AHEAD && device->state.conn == C_AHEAD) + return; /* nothing to do ... */ + /* If I don't even have good local storage, we can not reasonably try * to pull ahead of the peer. We also need the local reference to make * sure device->act_log is there. @@ -1021,6 +1161,7 @@ drbd_submit_req_private_bio(struct drbd_request *req) * stable storage, and this is a WRITE, we may not even submit * this bio. */ if (get_ldev(device)) { + req->pre_submit_jif = jiffies; if (drbd_insert_fault(device, rw == WRITE ? DRBD_FAULT_DT_WR : rw == READ ? DRBD_FAULT_DT_RD @@ -1035,10 +1176,14 @@ drbd_submit_req_private_bio(struct drbd_request *req) static void drbd_queue_write(struct drbd_device *device, struct drbd_request *req) { - spin_lock(&device->submit.lock); + spin_lock_irq(&device->resource->req_lock); list_add_tail(&req->tl_requests, &device->submit.writes); - spin_unlock(&device->submit.lock); + list_add_tail(&req->req_pending_master_completion, + &device->pending_master_completion[1 /* WRITE */]); + spin_unlock_irq(&device->resource->req_lock); queue_work(device->submit.wq, &device->submit.worker); + /* do_submit() may sleep internally on al_wait, too */ + wake_up(&device->al_wait); } /* returns the new drbd_request pointer, if the caller is expected to @@ -1047,7 +1192,7 @@ static void drbd_queue_write(struct drbd_device *device, struct drbd_request *re * Returns ERR_PTR(-ENOMEM) if we cannot allocate a drbd_request. */ static struct drbd_request * -drbd_request_prepare(struct drbd_device *device, struct bio *bio, unsigned long start_time) +drbd_request_prepare(struct drbd_device *device, struct bio *bio, unsigned long start_jif) { const int rw = bio_data_dir(bio); struct drbd_request *req; @@ -1062,7 +1207,7 @@ drbd_request_prepare(struct drbd_device *device, struct bio *bio, unsigned long bio_endio(bio, -ENOMEM); return ERR_PTR(-ENOMEM); } - req->start_time = start_time; + req->start_jif = start_jif; if (!get_ldev(device)) { bio_put(req->private_bio); @@ -1075,10 +1220,12 @@ drbd_request_prepare(struct drbd_device *device, struct bio *bio, unsigned long if (rw == WRITE && req->private_bio && req->i.size && !test_bit(AL_SUSPENDED, &device->flags)) { if (!drbd_al_begin_io_fastpath(device, &req->i)) { + atomic_inc(&device->ap_actlog_cnt); drbd_queue_write(device, req); return NULL; } req->rq_state |= RQ_IN_ACT_LOG; + req->in_actlog_jif = jiffies; } return req; @@ -1086,11 +1233,13 @@ drbd_request_prepare(struct drbd_device *device, struct bio *bio, unsigned long static void drbd_send_and_submit(struct drbd_device *device, struct drbd_request *req) { + struct drbd_resource *resource = device->resource; const int rw = bio_rw(req->master_bio); struct bio_and_error m = { NULL, }; bool no_remote = false; + bool submit_private_bio = false; - spin_lock_irq(&device->resource->req_lock); + spin_lock_irq(&resource->req_lock); if (rw == WRITE) { /* This may temporarily give up the req_lock, * but will re-aquire it before it returns here. @@ -1148,13 +1297,18 @@ static void drbd_send_and_submit(struct drbd_device *device, struct drbd_request no_remote = true; } + /* If it took the fast path in drbd_request_prepare, add it here. + * The slow path has added it already. */ + if (list_empty(&req->req_pending_master_completion)) + list_add_tail(&req->req_pending_master_completion, + &device->pending_master_completion[rw == WRITE]); if (req->private_bio) { /* needs to be marked within the same spinlock */ + list_add_tail(&req->req_pending_local, + &device->pending_completion[rw == WRITE]); _req_mod(req, TO_BE_SUBMITTED); /* but we need to give up the spinlock to submit */ - spin_unlock_irq(&device->resource->req_lock); - drbd_submit_req_private_bio(req); - spin_lock_irq(&device->resource->req_lock); + submit_private_bio = true; } else if (no_remote) { nodata: if (__ratelimit(&drbd_ratelimit_state)) @@ -1167,15 +1321,23 @@ nodata: out: if (drbd_req_put_completion_ref(req, &m, 1)) kref_put(&req->kref, drbd_req_destroy); - spin_unlock_irq(&device->resource->req_lock); - + spin_unlock_irq(&resource->req_lock); + + /* Even though above is a kref_put(), this is safe. + * As long as we still need to submit our private bio, + * we hold a completion ref, and the request cannot disappear. + * If however this request did not even have a private bio to submit + * (e.g. remote read), req may already be invalid now. + * That's why we cannot check on req->private_bio. */ + if (submit_private_bio) + drbd_submit_req_private_bio(req); if (m.bio) complete_master_bio(device, &m); } -void __drbd_make_request(struct drbd_device *device, struct bio *bio, unsigned long start_time) +void __drbd_make_request(struct drbd_device *device, struct bio *bio, unsigned long start_jif) { - struct drbd_request *req = drbd_request_prepare(device, bio, start_time); + struct drbd_request *req = drbd_request_prepare(device, bio, start_jif); if (IS_ERR_OR_NULL(req)) return; drbd_send_and_submit(device, req); @@ -1194,6 +1356,8 @@ static void submit_fast_path(struct drbd_device *device, struct list_head *incom continue; req->rq_state |= RQ_IN_ACT_LOG; + req->in_actlog_jif = jiffies; + atomic_dec(&device->ap_actlog_cnt); } list_del_init(&req->tl_requests); @@ -1203,7 +1367,8 @@ static void submit_fast_path(struct drbd_device *device, struct list_head *incom static bool prepare_al_transaction_nonblock(struct drbd_device *device, struct list_head *incoming, - struct list_head *pending) + struct list_head *pending, + struct list_head *later) { struct drbd_request *req, *tmp; int wake = 0; @@ -1212,45 +1377,105 @@ static bool prepare_al_transaction_nonblock(struct drbd_device *device, spin_lock_irq(&device->al_lock); list_for_each_entry_safe(req, tmp, incoming, tl_requests) { err = drbd_al_begin_io_nonblock(device, &req->i); + if (err == -ENOBUFS) + break; if (err == -EBUSY) wake = 1; if (err) - continue; - req->rq_state |= RQ_IN_ACT_LOG; - list_move_tail(&req->tl_requests, pending); + list_move_tail(&req->tl_requests, later); + else + list_move_tail(&req->tl_requests, pending); } spin_unlock_irq(&device->al_lock); if (wake) wake_up(&device->al_wait); - return !list_empty(pending); } +void send_and_submit_pending(struct drbd_device *device, struct list_head *pending) +{ + struct drbd_request *req, *tmp; + + list_for_each_entry_safe(req, tmp, pending, tl_requests) { + req->rq_state |= RQ_IN_ACT_LOG; + req->in_actlog_jif = jiffies; + atomic_dec(&device->ap_actlog_cnt); + list_del_init(&req->tl_requests); + drbd_send_and_submit(device, req); + } +} + void do_submit(struct work_struct *ws) { struct drbd_device *device = container_of(ws, struct drbd_device, submit.worker); - LIST_HEAD(incoming); - LIST_HEAD(pending); - struct drbd_request *req, *tmp; + LIST_HEAD(incoming); /* from drbd_make_request() */ + LIST_HEAD(pending); /* to be submitted after next AL-transaction commit */ + LIST_HEAD(busy); /* blocked by resync requests */ + + /* grab new incoming requests */ + spin_lock_irq(&device->resource->req_lock); + list_splice_tail_init(&device->submit.writes, &incoming); + spin_unlock_irq(&device->resource->req_lock); for (;;) { - spin_lock(&device->submit.lock); - list_splice_tail_init(&device->submit.writes, &incoming); - spin_unlock(&device->submit.lock); + DEFINE_WAIT(wait); + /* move used-to-be-busy back to front of incoming */ + list_splice_init(&busy, &incoming); submit_fast_path(device, &incoming); if (list_empty(&incoming)) break; -skip_fast_path: - wait_event(device->al_wait, prepare_al_transaction_nonblock(device, &incoming, &pending)); - /* Maybe more was queued, while we prepared the transaction? - * Try to stuff them into this transaction as well. - * Be strictly non-blocking here, no wait_event, we already - * have something to commit. - * Stop if we don't make any more progres. - */ for (;;) { + prepare_to_wait(&device->al_wait, &wait, TASK_UNINTERRUPTIBLE); + + list_splice_init(&busy, &incoming); + prepare_al_transaction_nonblock(device, &incoming, &pending, &busy); + if (!list_empty(&pending)) + break; + + schedule(); + + /* If all currently "hot" activity log extents are kept busy by + * incoming requests, we still must not totally starve new + * requests to "cold" extents. + * Something left on &incoming means there had not been + * enough update slots available, and the activity log + * has been marked as "starving". + * + * Try again now, without looking for new requests, + * effectively blocking all new requests until we made + * at least _some_ progress with what we currently have. + */ + if (!list_empty(&incoming)) + continue; + + /* Nothing moved to pending, but nothing left + * on incoming: all moved to busy! + * Grab new and iterate. */ + spin_lock_irq(&device->resource->req_lock); + list_splice_tail_init(&device->submit.writes, &incoming); + spin_unlock_irq(&device->resource->req_lock); + } + finish_wait(&device->al_wait, &wait); + + /* If the transaction was full, before all incoming requests + * had been processed, skip ahead to commit, and iterate + * without splicing in more incoming requests from upper layers. + * + * Else, if all incoming have been processed, + * they have become either "pending" (to be submitted after + * next transaction commit) or "busy" (blocked by resync). + * + * Maybe more was queued, while we prepared the transaction? + * Try to stuff those into this transaction as well. + * Be strictly non-blocking here, + * we already have something to commit. + * + * Commit if we don't make any more progres. + */ + + while (list_empty(&incoming)) { LIST_HEAD(more_pending); LIST_HEAD(more_incoming); bool made_progress; @@ -1260,55 +1485,32 @@ skip_fast_path: if (list_empty(&device->submit.writes)) break; - spin_lock(&device->submit.lock); + spin_lock_irq(&device->resource->req_lock); list_splice_tail_init(&device->submit.writes, &more_incoming); - spin_unlock(&device->submit.lock); + spin_unlock_irq(&device->resource->req_lock); if (list_empty(&more_incoming)) break; - made_progress = prepare_al_transaction_nonblock(device, &more_incoming, &more_pending); + made_progress = prepare_al_transaction_nonblock(device, &more_incoming, &more_pending, &busy); list_splice_tail_init(&more_pending, &pending); list_splice_tail_init(&more_incoming, &incoming); - if (!made_progress) break; } - drbd_al_begin_io_commit(device, false); - - list_for_each_entry_safe(req, tmp, &pending, tl_requests) { - list_del_init(&req->tl_requests); - drbd_send_and_submit(device, req); - } - /* If all currently hot activity log extents are kept busy by - * incoming requests, we still must not totally starve new - * requests to cold extents. In that case, prepare one request - * in blocking mode. */ - list_for_each_entry_safe(req, tmp, &incoming, tl_requests) { - list_del_init(&req->tl_requests); - req->rq_state |= RQ_IN_ACT_LOG; - if (!drbd_al_begin_io_prepare(device, &req->i)) { - /* Corresponding extent was hot after all? */ - drbd_send_and_submit(device, req); - } else { - /* Found a request to a cold extent. - * Put on "pending" list, - * and try to cumulate with more. */ - list_add(&req->tl_requests, &pending); - goto skip_fast_path; - } - } + drbd_al_begin_io_commit(device); + send_and_submit_pending(device, &pending); } } void drbd_make_request(struct request_queue *q, struct bio *bio) { struct drbd_device *device = (struct drbd_device *) q->queuedata; - unsigned long start_time; + unsigned long start_jif; - start_time = jiffies; + start_jif = jiffies; /* * what we "blindly" assume: @@ -1316,7 +1518,7 @@ void drbd_make_request(struct request_queue *q, struct bio *bio) D_ASSERT(device, IS_ALIGNED(bio->bi_iter.bi_size, 512)); inc_ap_bio(device); - __drbd_make_request(device, bio, start_time); + __drbd_make_request(device, bio, start_jif); } /* This is called by bio_add_page(). @@ -1353,36 +1555,13 @@ int drbd_merge_bvec(struct request_queue *q, struct bvec_merge_data *bvm, struct return limit; } -static void find_oldest_requests( - struct drbd_connection *connection, - struct drbd_device *device, - struct drbd_request **oldest_req_waiting_for_peer, - struct drbd_request **oldest_req_waiting_for_disk) -{ - struct drbd_request *r; - *oldest_req_waiting_for_peer = NULL; - *oldest_req_waiting_for_disk = NULL; - list_for_each_entry(r, &connection->transfer_log, tl_requests) { - const unsigned s = r->rq_state; - if (!*oldest_req_waiting_for_peer - && ((s & RQ_NET_MASK) && !(s & RQ_NET_DONE))) - *oldest_req_waiting_for_peer = r; - - if (!*oldest_req_waiting_for_disk - && (s & RQ_LOCAL_PENDING) && r->device == device) - *oldest_req_waiting_for_disk = r; - - if (*oldest_req_waiting_for_peer && *oldest_req_waiting_for_disk) - break; - } -} - void request_timer_fn(unsigned long data) { struct drbd_device *device = (struct drbd_device *) data; struct drbd_connection *connection = first_peer_device(device)->connection; - struct drbd_request *req_disk, *req_peer; /* oldest request */ + struct drbd_request *req_read, *req_write, *req_peer; /* oldest request */ struct net_conf *nc; + unsigned long oldest_submit_jif; unsigned long ent = 0, dt = 0, et, nt; /* effective timeout = ko_count * timeout */ unsigned long now; @@ -1403,14 +1582,31 @@ void request_timer_fn(unsigned long data) return; /* Recurring timer stopped */ now = jiffies; + nt = now + et; spin_lock_irq(&device->resource->req_lock); - find_oldest_requests(connection, device, &req_peer, &req_disk); - if (req_peer == NULL && req_disk == NULL) { - spin_unlock_irq(&device->resource->req_lock); - mod_timer(&device->request_timer, now + et); - return; - } + req_read = list_first_entry_or_null(&device->pending_completion[0], struct drbd_request, req_pending_local); + req_write = list_first_entry_or_null(&device->pending_completion[1], struct drbd_request, req_pending_local); + req_peer = connection->req_not_net_done; + /* maybe the oldest request waiting for the peer is in fact still + * blocking in tcp sendmsg */ + if (!req_peer && connection->req_next && connection->req_next->pre_send_jif) + req_peer = connection->req_next; + + /* evaluate the oldest peer request only in one timer! */ + if (req_peer && req_peer->device != device) + req_peer = NULL; + + /* do we have something to evaluate? */ + if (req_peer == NULL && req_write == NULL && req_read == NULL) + goto out; + + oldest_submit_jif = + (req_write && req_read) + ? ( time_before(req_write->pre_submit_jif, req_read->pre_submit_jif) + ? req_write->pre_submit_jif : req_read->pre_submit_jif ) + : req_write ? req_write->pre_submit_jif + : req_read ? req_read->pre_submit_jif : now; /* The request is considered timed out, if * - we have some effective timeout from the configuration, @@ -1429,13 +1625,13 @@ void request_timer_fn(unsigned long data) * to expire twice (worst case) to become effective. Good enough. */ if (ent && req_peer && - time_after(now, req_peer->start_time + ent) && + time_after(now, req_peer->pre_send_jif + ent) && !time_in_range(now, connection->last_reconnect_jif, connection->last_reconnect_jif + ent)) { drbd_warn(device, "Remote failed to finish a request within ko-count * timeout\n"); _drbd_set_state(_NS(device, conn, C_TIMEOUT), CS_VERBOSE | CS_HARD, NULL); } - if (dt && req_disk && - time_after(now, req_disk->start_time + dt) && + if (dt && oldest_submit_jif != now && + time_after(now, oldest_submit_jif + dt) && !time_in_range(now, device->last_reattach_jif, device->last_reattach_jif + dt)) { drbd_warn(device, "Local backing device failed to meet the disk-timeout\n"); __drbd_chk_io_error(device, DRBD_FORCE_DETACH); @@ -1443,11 +1639,12 @@ void request_timer_fn(unsigned long data) /* Reschedule timer for the nearest not already expired timeout. * Fallback to now + min(effective network timeout, disk timeout). */ - ent = (ent && req_peer && time_before(now, req_peer->start_time + ent)) - ? req_peer->start_time + ent : now + et; - dt = (dt && req_disk && time_before(now, req_disk->start_time + dt)) - ? req_disk->start_time + dt : now + et; + ent = (ent && req_peer && time_before(now, req_peer->pre_send_jif + ent)) + ? req_peer->pre_send_jif + ent : now + et; + dt = (dt && oldest_submit_jif != now && time_before(now, oldest_submit_jif + dt)) + ? oldest_submit_jif + dt : now + et; nt = time_before(ent, dt) ? ent : dt; +out: spin_unlock_irq(&connection->resource->req_lock); mod_timer(&device->request_timer, nt); } diff --git a/drivers/block/drbd/drbd_req.h b/drivers/block/drbd/drbd_req.h index 8566cd5866b4..9f6a04080e9f 100644 --- a/drivers/block/drbd/drbd_req.h +++ b/drivers/block/drbd/drbd_req.h @@ -288,6 +288,7 @@ extern void complete_master_bio(struct drbd_device *device, extern void request_timer_fn(unsigned long data); extern void tl_restart(struct drbd_connection *connection, enum drbd_req_event what); extern void _tl_restart(struct drbd_connection *connection, enum drbd_req_event what); +extern void tl_abort_disk_io(struct drbd_device *device); /* this is in drbd_main.c */ extern void drbd_restart_request(struct drbd_request *req); diff --git a/drivers/block/drbd/drbd_state.c b/drivers/block/drbd/drbd_state.c index a5d8aae00e04..c35c0f001bb7 100644 --- a/drivers/block/drbd/drbd_state.c +++ b/drivers/block/drbd/drbd_state.c @@ -410,7 +410,7 @@ _drbd_request_state(struct drbd_device *device, union drbd_state mask, return rv; } -static void print_st(struct drbd_device *device, char *name, union drbd_state ns) +static void print_st(struct drbd_device *device, const char *name, union drbd_state ns) { drbd_err(device, " %s = { cs:%s ro:%s/%s ds:%s/%s %c%c%c%c%c%c }\n", name, @@ -952,11 +952,12 @@ enum drbd_state_rv __drbd_set_state(struct drbd_device *device, union drbd_state ns, enum chg_state_flags flags, struct completion *done) { + struct drbd_peer_device *peer_device = first_peer_device(device); + struct drbd_connection *connection = peer_device ? peer_device->connection : NULL; union drbd_state os; enum drbd_state_rv rv = SS_SUCCESS; enum sanitize_state_warnings ssw; struct after_state_chg_work *ascw; - bool did_remote, should_do_remote; os = drbd_read_state(device); @@ -978,9 +979,9 @@ __drbd_set_state(struct drbd_device *device, union drbd_state ns, this happen...*/ if (is_valid_state(device, os) == rv) - rv = is_valid_soft_transition(os, ns, first_peer_device(device)->connection); + rv = is_valid_soft_transition(os, ns, connection); } else - rv = is_valid_soft_transition(os, ns, first_peer_device(device)->connection); + rv = is_valid_soft_transition(os, ns, connection); } if (rv < SS_SUCCESS) { @@ -997,7 +998,7 @@ __drbd_set_state(struct drbd_device *device, union drbd_state ns, sanitize_state(). Only display it here if we where not called from _conn_request_state() */ if (!(flags & CS_DC_SUSP)) - conn_pr_state_change(first_peer_device(device)->connection, os, ns, + conn_pr_state_change(connection, os, ns, (flags & ~CS_DC_MASK) | CS_DC_SUSP); /* if we are going -> D_FAILED or D_DISKLESS, grab one extra reference @@ -1008,28 +1009,35 @@ __drbd_set_state(struct drbd_device *device, union drbd_state ns, (os.disk != D_DISKLESS && ns.disk == D_DISKLESS)) atomic_inc(&device->local_cnt); - did_remote = drbd_should_do_remote(device->state); + if (!is_sync_state(os.conn) && is_sync_state(ns.conn)) + clear_bit(RS_DONE, &device->flags); + + /* changes to local_cnt and device flags should be visible before + * changes to state, which again should be visible before anything else + * depending on that change happens. */ + smp_wmb(); device->state.i = ns.i; - should_do_remote = drbd_should_do_remote(device->state); device->resource->susp = ns.susp; device->resource->susp_nod = ns.susp_nod; device->resource->susp_fen = ns.susp_fen; + smp_wmb(); /* put replicated vs not-replicated requests in seperate epochs */ - if (did_remote != should_do_remote) - start_new_tl_epoch(first_peer_device(device)->connection); + if (drbd_should_do_remote((union drbd_dev_state)os.i) != + drbd_should_do_remote((union drbd_dev_state)ns.i)) + start_new_tl_epoch(connection); if (os.disk == D_ATTACHING && ns.disk >= D_NEGOTIATING) drbd_print_uuids(device, "attached to UUIDs"); /* Wake up role changes, that were delayed because of connection establishing */ if (os.conn == C_WF_REPORT_PARAMS && ns.conn != C_WF_REPORT_PARAMS && - no_peer_wf_report_params(first_peer_device(device)->connection)) - clear_bit(STATE_SENT, &first_peer_device(device)->connection->flags); + no_peer_wf_report_params(connection)) + clear_bit(STATE_SENT, &connection->flags); wake_up(&device->misc_wait); wake_up(&device->state_wait); - wake_up(&first_peer_device(device)->connection->ping_wait); + wake_up(&connection->ping_wait); /* Aborted verify run, or we reached the stop sector. * Log the last position, unless end-of-device. */ @@ -1118,21 +1126,21 @@ __drbd_set_state(struct drbd_device *device, union drbd_state ns, /* Receiver should clean up itself */ if (os.conn != C_DISCONNECTING && ns.conn == C_DISCONNECTING) - drbd_thread_stop_nowait(&first_peer_device(device)->connection->receiver); + drbd_thread_stop_nowait(&connection->receiver); /* Now the receiver finished cleaning up itself, it should die */ if (os.conn != C_STANDALONE && ns.conn == C_STANDALONE) - drbd_thread_stop_nowait(&first_peer_device(device)->connection->receiver); + drbd_thread_stop_nowait(&connection->receiver); /* Upon network failure, we need to restart the receiver. */ if (os.conn > C_WF_CONNECTION && ns.conn <= C_TEAR_DOWN && ns.conn >= C_TIMEOUT) - drbd_thread_restart_nowait(&first_peer_device(device)->connection->receiver); + drbd_thread_restart_nowait(&connection->receiver); /* Resume AL writing if we get a connection */ if (os.conn < C_CONNECTED && ns.conn >= C_CONNECTED) { drbd_resume_al(device); - first_peer_device(device)->connection->connect_cnt++; + connection->connect_cnt++; } /* remember last attach time so request_timer_fn() won't @@ -1150,7 +1158,7 @@ __drbd_set_state(struct drbd_device *device, union drbd_state ns, ascw->w.cb = w_after_state_ch; ascw->device = device; ascw->done = done; - drbd_queue_work(&first_peer_device(device)->connection->sender_work, + drbd_queue_work(&connection->sender_work, &ascw->w); } else { drbd_err(device, "Could not kmalloc an ascw\n"); @@ -1222,13 +1230,16 @@ static void after_state_ch(struct drbd_device *device, union drbd_state os, union drbd_state ns, enum chg_state_flags flags) { struct drbd_resource *resource = device->resource; + struct drbd_peer_device *peer_device = first_peer_device(device); + struct drbd_connection *connection = peer_device ? peer_device->connection : NULL; struct sib_info sib; sib.sib_reason = SIB_STATE_CHANGE; sib.os = os; sib.ns = ns; - if (os.conn != C_CONNECTED && ns.conn == C_CONNECTED) { + if ((os.disk != D_UP_TO_DATE || os.pdsk != D_UP_TO_DATE) + && (ns.disk == D_UP_TO_DATE && ns.pdsk == D_UP_TO_DATE)) { clear_bit(CRASHED_PRIMARY, &device->flags); if (device->p_uuid) device->p_uuid[UI_FLAGS] &= ~((u64)2); @@ -1245,7 +1256,6 @@ static void after_state_ch(struct drbd_device *device, union drbd_state os, state change. This function might sleep */ if (ns.susp_nod) { - struct drbd_connection *connection = first_peer_device(device)->connection; enum drbd_req_event what = NOTHING; spin_lock_irq(&device->resource->req_lock); @@ -1267,8 +1277,6 @@ static void after_state_ch(struct drbd_device *device, union drbd_state os, } if (ns.susp_fen) { - struct drbd_connection *connection = first_peer_device(device)->connection; - spin_lock_irq(&device->resource->req_lock); if (resource->susp_fen && conn_lowest_conn(connection) >= C_CONNECTED) { /* case2: The connection was established again: */ @@ -1294,8 +1302,8 @@ static void after_state_ch(struct drbd_device *device, union drbd_state os, * which is unexpected. */ if ((os.conn != C_SYNC_SOURCE && os.conn != C_PAUSED_SYNC_S) && (ns.conn == C_SYNC_SOURCE || ns.conn == C_PAUSED_SYNC_S) && - first_peer_device(device)->connection->agreed_pro_version >= 96 && get_ldev(device)) { - drbd_gen_and_send_sync_uuid(first_peer_device(device)); + connection->agreed_pro_version >= 96 && get_ldev(device)) { + drbd_gen_and_send_sync_uuid(peer_device); put_ldev(device); } @@ -1309,8 +1317,8 @@ static void after_state_ch(struct drbd_device *device, union drbd_state os, atomic_set(&device->rs_pending_cnt, 0); drbd_rs_cancel_all(device); - drbd_send_uuids(first_peer_device(device)); - drbd_send_state(first_peer_device(device), ns); + drbd_send_uuids(peer_device); + drbd_send_state(peer_device, ns); } /* No point in queuing send_bitmap if we don't have a connection * anymore, so check also the _current_ state, not only the new state @@ -1335,7 +1343,7 @@ static void after_state_ch(struct drbd_device *device, union drbd_state os, set_bit(NEW_CUR_UUID, &device->flags); } else { drbd_uuid_new_current(device); - drbd_send_uuids(first_peer_device(device)); + drbd_send_uuids(peer_device); } } put_ldev(device); @@ -1346,7 +1354,7 @@ static void after_state_ch(struct drbd_device *device, union drbd_state os, if (os.peer == R_SECONDARY && ns.peer == R_PRIMARY && device->ldev->md.uuid[UI_BITMAP] == 0 && ns.disk >= D_UP_TO_DATE) { drbd_uuid_new_current(device); - drbd_send_uuids(first_peer_device(device)); + drbd_send_uuids(peer_device); } /* D_DISKLESS Peer becomes secondary */ if (os.peer == R_PRIMARY && ns.peer == R_SECONDARY) @@ -1373,16 +1381,16 @@ static void after_state_ch(struct drbd_device *device, union drbd_state os, /* Last part of the attaching process ... */ if (ns.conn >= C_CONNECTED && os.disk == D_ATTACHING && ns.disk == D_NEGOTIATING) { - drbd_send_sizes(first_peer_device(device), 0, 0); /* to start sync... */ - drbd_send_uuids(first_peer_device(device)); - drbd_send_state(first_peer_device(device), ns); + drbd_send_sizes(peer_device, 0, 0); /* to start sync... */ + drbd_send_uuids(peer_device); + drbd_send_state(peer_device, ns); } /* We want to pause/continue resync, tell peer. */ if (ns.conn >= C_CONNECTED && ((os.aftr_isp != ns.aftr_isp) || (os.user_isp != ns.user_isp))) - drbd_send_state(first_peer_device(device), ns); + drbd_send_state(peer_device, ns); /* In case one of the isp bits got set, suspend other devices. */ if ((!os.aftr_isp && !os.peer_isp && !os.user_isp) && @@ -1392,10 +1400,10 @@ static void after_state_ch(struct drbd_device *device, union drbd_state os, /* Make sure the peer gets informed about eventual state changes (ISP bits) while we were in WFReportParams. */ if (os.conn == C_WF_REPORT_PARAMS && ns.conn >= C_CONNECTED) - drbd_send_state(first_peer_device(device), ns); + drbd_send_state(peer_device, ns); if (os.conn != C_AHEAD && ns.conn == C_AHEAD) - drbd_send_state(first_peer_device(device), ns); + drbd_send_state(peer_device, ns); /* We are in the progress to start a full sync... */ if ((os.conn != C_STARTING_SYNC_T && ns.conn == C_STARTING_SYNC_T) || @@ -1449,7 +1457,7 @@ static void after_state_ch(struct drbd_device *device, union drbd_state os, drbd_disk_str(device->state.disk)); if (ns.conn >= C_CONNECTED) - drbd_send_state(first_peer_device(device), ns); + drbd_send_state(peer_device, ns); drbd_rs_cancel_all(device); @@ -1473,7 +1481,7 @@ static void after_state_ch(struct drbd_device *device, union drbd_state os, drbd_disk_str(device->state.disk)); if (ns.conn >= C_CONNECTED) - drbd_send_state(first_peer_device(device), ns); + drbd_send_state(peer_device, ns); /* corresponding get_ldev in __drbd_set_state * this may finally trigger drbd_ldev_destroy. */ put_ldev(device); @@ -1481,7 +1489,7 @@ static void after_state_ch(struct drbd_device *device, union drbd_state os, /* Notify peer that I had a local IO error, and did not detached.. */ if (os.disk == D_UP_TO_DATE && ns.disk == D_INCONSISTENT && ns.conn >= C_CONNECTED) - drbd_send_state(first_peer_device(device), ns); + drbd_send_state(peer_device, ns); /* Disks got bigger while they were detached */ if (ns.disk > D_NEGOTIATING && ns.pdsk > D_NEGOTIATING && @@ -1499,14 +1507,14 @@ static void after_state_ch(struct drbd_device *device, union drbd_state os, /* sync target done with resync. Explicitly notify peer, even though * it should (at least for non-empty resyncs) already know itself. */ if (os.disk < D_UP_TO_DATE && os.conn >= C_SYNC_SOURCE && ns.conn == C_CONNECTED) - drbd_send_state(first_peer_device(device), ns); + drbd_send_state(peer_device, ns); /* Verify finished, or reached stop sector. Peer did not know about * the stop sector, and we may even have changed the stop sector during * verify to interrupt/stop early. Send the new state. */ if (os.conn == C_VERIFY_S && ns.conn == C_CONNECTED && verify_can_do_stop_sector(device)) - drbd_send_state(first_peer_device(device), ns); + drbd_send_state(peer_device, ns); /* This triggers bitmap writeout of potentially still unwritten pages * if the resync finished cleanly, or aborted because of peer disk @@ -1563,7 +1571,7 @@ static int w_after_conn_state_ch(struct drbd_work *w, int unused) old_conf = connection->net_conf; connection->my_addr_len = 0; connection->peer_addr_len = 0; - rcu_assign_pointer(connection->net_conf, NULL); + RCU_INIT_POINTER(connection->net_conf, NULL); conn_free_crypto(connection); mutex_unlock(&connection->resource->conf_update); @@ -1599,7 +1607,7 @@ static int w_after_conn_state_ch(struct drbd_work *w, int unused) return 0; } -void conn_old_common_state(struct drbd_connection *connection, union drbd_state *pcs, enum chg_state_flags *pf) +static void conn_old_common_state(struct drbd_connection *connection, union drbd_state *pcs, enum chg_state_flags *pf) { enum chg_state_flags flags = ~0; struct drbd_peer_device *peer_device; @@ -1688,7 +1696,7 @@ conn_is_valid_transition(struct drbd_connection *connection, union drbd_state ma return rv; } -void +static void conn_set_state(struct drbd_connection *connection, union drbd_state mask, union drbd_state val, union drbd_state *pns_min, union drbd_state *pns_max, enum chg_state_flags flags) { diff --git a/drivers/block/drbd/drbd_worker.c b/drivers/block/drbd/drbd_worker.c index d8f57b6305cd..50776b362828 100644 --- a/drivers/block/drbd/drbd_worker.c +++ b/drivers/block/drbd/drbd_worker.c @@ -67,13 +67,10 @@ rwlock_t global_state_lock; */ void drbd_md_io_complete(struct bio *bio, int error) { - struct drbd_md_io *md_io; struct drbd_device *device; - md_io = (struct drbd_md_io *)bio->bi_private; - device = container_of(md_io, struct drbd_device, md_io); - - md_io->error = error; + device = bio->bi_private; + device->md_io.error = error; /* We grabbed an extra reference in _drbd_md_sync_page_io() to be able * to timeout on the lower level device, and eventually detach from it. @@ -87,7 +84,7 @@ void drbd_md_io_complete(struct bio *bio, int error) * ASSERT(atomic_read(&device->md_io_in_use) == 1) there. */ drbd_md_put_buffer(device); - md_io->done = 1; + device->md_io.done = 1; wake_up(&device->misc_wait); bio_put(bio); if (device->ldev) /* special case: drbd_md_read() during drbd_adm_attach() */ @@ -135,6 +132,7 @@ void drbd_endio_write_sec_final(struct drbd_peer_request *peer_req) __releases(l i = peer_req->i; do_al_complete_io = peer_req->flags & EE_CALL_AL_COMPLETE_IO; block_id = peer_req->block_id; + peer_req->flags &= ~EE_CALL_AL_COMPLETE_IO; spin_lock_irqsave(&device->resource->req_lock, flags); device->writ_cnt += peer_req->i.size >> 9; @@ -398,9 +396,6 @@ static int read_for_csum(struct drbd_peer_device *peer_device, sector_t sector, if (!get_ldev(device)) return -EIO; - if (drbd_rs_should_slow_down(device, sector)) - goto defer; - /* GFP_TRY, because if there is no memory available right now, this may * be rescheduled for later. It is "only" background resync, after all. */ peer_req = drbd_alloc_peer_req(peer_device, ID_SYNCER /* unused */, sector, @@ -410,7 +405,7 @@ static int read_for_csum(struct drbd_peer_device *peer_device, sector_t sector, peer_req->w.cb = w_e_send_csum; spin_lock_irq(&device->resource->req_lock); - list_add(&peer_req->w.list, &device->read_ee); + list_add_tail(&peer_req->w.list, &device->read_ee); spin_unlock_irq(&device->resource->req_lock); atomic_add(size >> 9, &device->rs_sect_ev); @@ -452,9 +447,9 @@ void resync_timer_fn(unsigned long data) { struct drbd_device *device = (struct drbd_device *) data; - if (list_empty(&device->resync_work.list)) - drbd_queue_work(&first_peer_device(device)->connection->sender_work, - &device->resync_work); + drbd_queue_work_if_unqueued( + &first_peer_device(device)->connection->sender_work, + &device->resync_work); } static void fifo_set(struct fifo_buffer *fb, int value) @@ -504,9 +499,9 @@ struct fifo_buffer *fifo_alloc(int fifo_size) static int drbd_rs_controller(struct drbd_device *device, unsigned int sect_in) { struct disk_conf *dc; - unsigned int want; /* The number of sectors we want in the proxy */ + unsigned int want; /* The number of sectors we want in-flight */ int req_sect; /* Number of sectors to request in this turn */ - int correction; /* Number of sectors more we need in the proxy*/ + int correction; /* Number of sectors more we need in-flight */ int cps; /* correction per invocation of drbd_rs_controller() */ int steps; /* Number of time steps to plan ahead */ int curr_corr; @@ -577,20 +572,27 @@ static int drbd_rs_number_requests(struct drbd_device *device) * potentially causing a distributed deadlock on congestion during * online-verify or (checksum-based) resync, if max-buffers, * socket buffer sizes and resync rate settings are mis-configured. */ - if (mxb - device->rs_in_flight < number) - number = mxb - device->rs_in_flight; + + /* note that "number" is in units of "BM_BLOCK_SIZE" (which is 4k), + * mxb (as used here, and in drbd_alloc_pages on the peer) is + * "number of pages" (typically also 4k), + * but "rs_in_flight" is in "sectors" (512 Byte). */ + if (mxb - device->rs_in_flight/8 < number) + number = mxb - device->rs_in_flight/8; return number; } -static int make_resync_request(struct drbd_device *device, int cancel) +static int make_resync_request(struct drbd_device *const device, int cancel) { + struct drbd_peer_device *const peer_device = first_peer_device(device); + struct drbd_connection *const connection = peer_device ? peer_device->connection : NULL; unsigned long bit; sector_t sector; const sector_t capacity = drbd_get_capacity(device->this_bdev); int max_bio_size; int number, rollback_i, size; - int align, queued, sndbuf; + int align, requeue = 0; int i = 0; if (unlikely(cancel)) @@ -617,17 +619,22 @@ static int make_resync_request(struct drbd_device *device, int cancel) goto requeue; for (i = 0; i < number; i++) { - /* Stop generating RS requests, when half of the send buffer is filled */ - mutex_lock(&first_peer_device(device)->connection->data.mutex); - if (first_peer_device(device)->connection->data.socket) { - queued = first_peer_device(device)->connection->data.socket->sk->sk_wmem_queued; - sndbuf = first_peer_device(device)->connection->data.socket->sk->sk_sndbuf; - } else { - queued = 1; - sndbuf = 0; - } - mutex_unlock(&first_peer_device(device)->connection->data.mutex); - if (queued > sndbuf / 2) + /* Stop generating RS requests when half of the send buffer is filled, + * but notify TCP that we'd like to have more space. */ + mutex_lock(&connection->data.mutex); + if (connection->data.socket) { + struct sock *sk = connection->data.socket->sk; + int queued = sk->sk_wmem_queued; + int sndbuf = sk->sk_sndbuf; + if (queued > sndbuf / 2) { + requeue = 1; + if (sk->sk_socket) + set_bit(SOCK_NOSPACE, &sk->sk_socket->flags); + } + } else + requeue = 1; + mutex_unlock(&connection->data.mutex); + if (requeue) goto requeue; next_sector: @@ -642,8 +649,7 @@ next_sector: sector = BM_BIT_TO_SECT(bit); - if (drbd_rs_should_slow_down(device, sector) || - drbd_try_rs_begin_io(device, sector)) { + if (drbd_try_rs_begin_io(device, sector)) { device->bm_resync_fo = bit; goto requeue; } @@ -696,9 +702,9 @@ next_sector: /* adjust very last sectors, in case we are oddly sized */ if (sector + (size>>9) > capacity) size = (capacity-sector)<<9; - if (first_peer_device(device)->connection->agreed_pro_version >= 89 && - first_peer_device(device)->connection->csums_tfm) { - switch (read_for_csum(first_peer_device(device), sector, size)) { + + if (device->use_csums) { + switch (read_for_csum(peer_device, sector, size)) { case -EIO: /* Disk failure */ put_ldev(device); return -EIO; @@ -717,7 +723,7 @@ next_sector: int err; inc_rs_pending(device); - err = drbd_send_drequest(first_peer_device(device), P_RS_DATA_REQUEST, + err = drbd_send_drequest(peer_device, P_RS_DATA_REQUEST, sector, size, ID_SYNCER); if (err) { drbd_err(device, "drbd_send_drequest() failed, aborting...\n"); @@ -774,8 +780,7 @@ static int make_ov_request(struct drbd_device *device, int cancel) size = BM_BLOCK_SIZE; - if (drbd_rs_should_slow_down(device, sector) || - drbd_try_rs_begin_io(device, sector)) { + if (drbd_try_rs_begin_io(device, sector)) { device->ov_position = sector; goto requeue; } @@ -911,7 +916,7 @@ int drbd_resync_finished(struct drbd_device *device) if (os.conn == C_SYNC_TARGET || os.conn == C_PAUSED_SYNC_T) khelper_cmd = "after-resync-target"; - if (first_peer_device(device)->connection->csums_tfm && device->rs_total) { + if (device->use_csums && device->rs_total) { const unsigned long s = device->rs_same_csum; const unsigned long t = device->rs_total; const int ratio = @@ -1351,13 +1356,15 @@ int w_send_out_of_sync(struct drbd_work *w, int cancel) { struct drbd_request *req = container_of(w, struct drbd_request, w); struct drbd_device *device = req->device; - struct drbd_connection *connection = first_peer_device(device)->connection; + struct drbd_peer_device *const peer_device = first_peer_device(device); + struct drbd_connection *const connection = peer_device->connection; int err; if (unlikely(cancel)) { req_mod(req, SEND_CANCELED); return 0; } + req->pre_send_jif = jiffies; /* this time, no connection->send.current_epoch_writes++; * If it was sent, it was the closing barrier for the last @@ -1365,7 +1372,7 @@ int w_send_out_of_sync(struct drbd_work *w, int cancel) * No more barriers will be sent, until we leave AHEAD mode again. */ maybe_send_barrier(connection, req->epoch); - err = drbd_send_out_of_sync(first_peer_device(device), req); + err = drbd_send_out_of_sync(peer_device, req); req_mod(req, OOS_HANDED_TO_NETWORK); return err; @@ -1380,19 +1387,21 @@ int w_send_dblock(struct drbd_work *w, int cancel) { struct drbd_request *req = container_of(w, struct drbd_request, w); struct drbd_device *device = req->device; - struct drbd_connection *connection = first_peer_device(device)->connection; + struct drbd_peer_device *const peer_device = first_peer_device(device); + struct drbd_connection *connection = peer_device->connection; int err; if (unlikely(cancel)) { req_mod(req, SEND_CANCELED); return 0; } + req->pre_send_jif = jiffies; re_init_if_first_write(connection, req->epoch); maybe_send_barrier(connection, req->epoch); connection->send.current_epoch_writes++; - err = drbd_send_dblock(first_peer_device(device), req); + err = drbd_send_dblock(peer_device, req); req_mod(req, err ? SEND_FAILED : HANDED_OVER_TO_NETWORK); return err; @@ -1407,19 +1416,21 @@ int w_send_read_req(struct drbd_work *w, int cancel) { struct drbd_request *req = container_of(w, struct drbd_request, w); struct drbd_device *device = req->device; - struct drbd_connection *connection = first_peer_device(device)->connection; + struct drbd_peer_device *const peer_device = first_peer_device(device); + struct drbd_connection *connection = peer_device->connection; int err; if (unlikely(cancel)) { req_mod(req, SEND_CANCELED); return 0; } + req->pre_send_jif = jiffies; /* Even read requests may close a write epoch, * if there was any yet. */ maybe_send_barrier(connection, req->epoch); - err = drbd_send_drequest(first_peer_device(device), P_DATA_REQUEST, req->i.sector, req->i.size, + err = drbd_send_drequest(peer_device, P_DATA_REQUEST, req->i.sector, req->i.size, (unsigned long)req); req_mod(req, err ? SEND_FAILED : HANDED_OVER_TO_NETWORK); @@ -1433,7 +1444,7 @@ int w_restart_disk_io(struct drbd_work *w, int cancel) struct drbd_device *device = req->device; if (bio_data_dir(req->master_bio) == WRITE && req->rq_state & RQ_IN_ACT_LOG) - drbd_al_begin_io(device, &req->i, false); + drbd_al_begin_io(device, &req->i); drbd_req_make_private_bio(req, req->master_bio); req->private_bio->bi_bdev = device->ldev->backing_bdev; @@ -1601,26 +1612,32 @@ void drbd_rs_controller_reset(struct drbd_device *device) void start_resync_timer_fn(unsigned long data) { struct drbd_device *device = (struct drbd_device *) data; - - drbd_queue_work(&first_peer_device(device)->connection->sender_work, - &device->start_resync_work); + drbd_device_post_work(device, RS_START); } -int w_start_resync(struct drbd_work *w, int cancel) +static void do_start_resync(struct drbd_device *device) { - struct drbd_device *device = - container_of(w, struct drbd_device, start_resync_work); - if (atomic_read(&device->unacked_cnt) || atomic_read(&device->rs_pending_cnt)) { - drbd_warn(device, "w_start_resync later...\n"); + drbd_warn(device, "postponing start_resync ...\n"); device->start_resync_timer.expires = jiffies + HZ/10; add_timer(&device->start_resync_timer); - return 0; + return; } drbd_start_resync(device, C_SYNC_SOURCE); clear_bit(AHEAD_TO_SYNC_SOURCE, &device->flags); - return 0; +} + +static bool use_checksum_based_resync(struct drbd_connection *connection, struct drbd_device *device) +{ + bool csums_after_crash_only; + rcu_read_lock(); + csums_after_crash_only = rcu_dereference(connection->net_conf)->csums_after_crash_only; + rcu_read_unlock(); + return connection->agreed_pro_version >= 89 && /* supported? */ + connection->csums_tfm && /* configured? */ + (csums_after_crash_only == 0 /* use for each resync? */ + || test_bit(CRASHED_PRIMARY, &device->flags)); /* or only after Primary crash? */ } /** @@ -1633,6 +1650,8 @@ int w_start_resync(struct drbd_work *w, int cancel) */ void drbd_start_resync(struct drbd_device *device, enum drbd_conns side) { + struct drbd_peer_device *peer_device = first_peer_device(device); + struct drbd_connection *connection = peer_device ? peer_device->connection : NULL; union drbd_state ns; int r; @@ -1651,7 +1670,7 @@ void drbd_start_resync(struct drbd_device *device, enum drbd_conns side) if (r > 0) { drbd_info(device, "before-resync-target handler returned %d, " "dropping connection.\n", r); - conn_request_state(first_peer_device(device)->connection, NS(conn, C_DISCONNECTING), CS_HARD); + conn_request_state(connection, NS(conn, C_DISCONNECTING), CS_HARD); return; } } else /* C_SYNC_SOURCE */ { @@ -1664,7 +1683,7 @@ void drbd_start_resync(struct drbd_device *device, enum drbd_conns side) } else { drbd_info(device, "before-resync-source handler returned %d, " "dropping connection.\n", r); - conn_request_state(first_peer_device(device)->connection, + conn_request_state(connection, NS(conn, C_DISCONNECTING), CS_HARD); return; } @@ -1672,7 +1691,7 @@ void drbd_start_resync(struct drbd_device *device, enum drbd_conns side) } } - if (current == first_peer_device(device)->connection->worker.task) { + if (current == connection->worker.task) { /* The worker should not sleep waiting for state_mutex, that can take long */ if (!mutex_trylock(device->state_mutex)) { @@ -1733,11 +1752,20 @@ void drbd_start_resync(struct drbd_device *device, enum drbd_conns side) device->rs_mark_time[i] = now; } _drbd_pause_after(device); + /* Forget potentially stale cached per resync extent bit-counts. + * Open coded drbd_rs_cancel_all(device), we already have IRQs + * disabled, and know the disk state is ok. */ + spin_lock(&device->al_lock); + lc_reset(device->resync); + device->resync_locked = 0; + device->resync_wenr = LC_FREE; + spin_unlock(&device->al_lock); } write_unlock(&global_state_lock); spin_unlock_irq(&device->resource->req_lock); if (r == SS_SUCCESS) { + wake_up(&device->al_wait); /* for lc_reset() above */ /* reset rs_last_bcast when a resync or verify is started, * to deal with potential jiffies wrap. */ device->rs_last_bcast = jiffies - HZ; @@ -1746,8 +1774,12 @@ void drbd_start_resync(struct drbd_device *device, enum drbd_conns side) drbd_conn_str(ns.conn), (unsigned long) device->rs_total << (BM_BLOCK_SHIFT-10), (unsigned long) device->rs_total); - if (side == C_SYNC_TARGET) + if (side == C_SYNC_TARGET) { device->bm_resync_fo = 0; + device->use_csums = use_checksum_based_resync(connection, device); + } else { + device->use_csums = 0; + } /* Since protocol 96, we must serialize drbd_gen_and_send_sync_uuid * with w_send_oos, or the sync target will get confused as to @@ -1756,12 +1788,10 @@ void drbd_start_resync(struct drbd_device *device, enum drbd_conns side) * drbd_resync_finished from here in that case. * We drbd_gen_and_send_sync_uuid here for protocol < 96, * and from after_state_ch otherwise. */ - if (side == C_SYNC_SOURCE && - first_peer_device(device)->connection->agreed_pro_version < 96) - drbd_gen_and_send_sync_uuid(first_peer_device(device)); + if (side == C_SYNC_SOURCE && connection->agreed_pro_version < 96) + drbd_gen_and_send_sync_uuid(peer_device); - if (first_peer_device(device)->connection->agreed_pro_version < 95 && - device->rs_total == 0) { + if (connection->agreed_pro_version < 95 && device->rs_total == 0) { /* This still has a race (about when exactly the peers * detect connection loss) that can lead to a full sync * on next handshake. In 8.3.9 we fixed this with explicit @@ -1777,7 +1807,7 @@ void drbd_start_resync(struct drbd_device *device, enum drbd_conns side) int timeo; rcu_read_lock(); - nc = rcu_dereference(first_peer_device(device)->connection->net_conf); + nc = rcu_dereference(connection->net_conf); timeo = nc->ping_int * HZ + nc->ping_timeo * HZ / 9; rcu_read_unlock(); schedule_timeout_interruptible(timeo); @@ -1799,10 +1829,165 @@ void drbd_start_resync(struct drbd_device *device, enum drbd_conns side) mutex_unlock(device->state_mutex); } +static void update_on_disk_bitmap(struct drbd_device *device, bool resync_done) +{ + struct sib_info sib = { .sib_reason = SIB_SYNC_PROGRESS, }; + device->rs_last_bcast = jiffies; + + if (!get_ldev(device)) + return; + + drbd_bm_write_lazy(device, 0); + if (resync_done && is_sync_state(device->state.conn)) + drbd_resync_finished(device); + + drbd_bcast_event(device, &sib); + /* update timestamp, in case it took a while to write out stuff */ + device->rs_last_bcast = jiffies; + put_ldev(device); +} + +static void drbd_ldev_destroy(struct drbd_device *device) +{ + lc_destroy(device->resync); + device->resync = NULL; + lc_destroy(device->act_log); + device->act_log = NULL; + __no_warn(local, + drbd_free_ldev(device->ldev); + device->ldev = NULL;); + clear_bit(GOING_DISKLESS, &device->flags); + wake_up(&device->misc_wait); +} + +static void go_diskless(struct drbd_device *device) +{ + D_ASSERT(device, device->state.disk == D_FAILED); + /* we cannot assert local_cnt == 0 here, as get_ldev_if_state will + * inc/dec it frequently. Once we are D_DISKLESS, no one will touch + * the protected members anymore, though, so once put_ldev reaches zero + * again, it will be safe to free them. */ + + /* Try to write changed bitmap pages, read errors may have just + * set some bits outside the area covered by the activity log. + * + * If we have an IO error during the bitmap writeout, + * we will want a full sync next time, just in case. + * (Do we want a specific meta data flag for this?) + * + * If that does not make it to stable storage either, + * we cannot do anything about that anymore. + * + * We still need to check if both bitmap and ldev are present, we may + * end up here after a failed attach, before ldev was even assigned. + */ + if (device->bitmap && device->ldev) { + /* An interrupted resync or similar is allowed to recounts bits + * while we detach. + * Any modifications would not be expected anymore, though. + */ + if (drbd_bitmap_io_from_worker(device, drbd_bm_write, + "detach", BM_LOCKED_TEST_ALLOWED)) { + if (test_bit(WAS_READ_ERROR, &device->flags)) { + drbd_md_set_flag(device, MDF_FULL_SYNC); + drbd_md_sync(device); + } + } + } + + drbd_force_state(device, NS(disk, D_DISKLESS)); +} + +static int do_md_sync(struct drbd_device *device) +{ + drbd_warn(device, "md_sync_timer expired! Worker calls drbd_md_sync().\n"); + drbd_md_sync(device); + return 0; +} + +/* only called from drbd_worker thread, no locking */ +void __update_timing_details( + struct drbd_thread_timing_details *tdp, + unsigned int *cb_nr, + void *cb, + const char *fn, const unsigned int line) +{ + unsigned int i = *cb_nr % DRBD_THREAD_DETAILS_HIST; + struct drbd_thread_timing_details *td = tdp + i; + + td->start_jif = jiffies; + td->cb_addr = cb; + td->caller_fn = fn; + td->line = line; + td->cb_nr = *cb_nr; + + i = (i+1) % DRBD_THREAD_DETAILS_HIST; + td = tdp + i; + memset(td, 0, sizeof(*td)); + + ++(*cb_nr); +} + +#define WORK_PENDING(work_bit, todo) (todo & (1UL << work_bit)) +static void do_device_work(struct drbd_device *device, const unsigned long todo) +{ + if (WORK_PENDING(MD_SYNC, todo)) + do_md_sync(device); + if (WORK_PENDING(RS_DONE, todo) || + WORK_PENDING(RS_PROGRESS, todo)) + update_on_disk_bitmap(device, WORK_PENDING(RS_DONE, todo)); + if (WORK_PENDING(GO_DISKLESS, todo)) + go_diskless(device); + if (WORK_PENDING(DESTROY_DISK, todo)) + drbd_ldev_destroy(device); + if (WORK_PENDING(RS_START, todo)) + do_start_resync(device); +} + +#define DRBD_DEVICE_WORK_MASK \ + ((1UL << GO_DISKLESS) \ + |(1UL << DESTROY_DISK) \ + |(1UL << MD_SYNC) \ + |(1UL << RS_START) \ + |(1UL << RS_PROGRESS) \ + |(1UL << RS_DONE) \ + ) + +static unsigned long get_work_bits(unsigned long *flags) +{ + unsigned long old, new; + do { + old = *flags; + new = old & ~DRBD_DEVICE_WORK_MASK; + } while (cmpxchg(flags, old, new) != old); + return old & DRBD_DEVICE_WORK_MASK; +} + +static void do_unqueued_work(struct drbd_connection *connection) +{ + struct drbd_peer_device *peer_device; + int vnr; + + rcu_read_lock(); + idr_for_each_entry(&connection->peer_devices, peer_device, vnr) { + struct drbd_device *device = peer_device->device; + unsigned long todo = get_work_bits(&device->flags); + if (!todo) + continue; + + kref_get(&device->kref); + rcu_read_unlock(); + do_device_work(device, todo); + kref_put(&device->kref, drbd_destroy_device); + rcu_read_lock(); + } + rcu_read_unlock(); +} + static bool dequeue_work_batch(struct drbd_work_queue *queue, struct list_head *work_list) { spin_lock_irq(&queue->q_lock); - list_splice_init(&queue->q, work_list); + list_splice_tail_init(&queue->q, work_list); spin_unlock_irq(&queue->q_lock); return !list_empty(work_list); } @@ -1851,7 +2036,7 @@ static void wait_for_work(struct drbd_connection *connection, struct list_head * /* dequeue single item only, * we still use drbd_queue_work_front() in some places */ if (!list_empty(&connection->sender_work.q)) - list_move(connection->sender_work.q.next, work_list); + list_splice_tail_init(&connection->sender_work.q, work_list); spin_unlock(&connection->sender_work.q_lock); /* FIXME get rid of this one? */ if (!list_empty(work_list) || signal_pending(current)) { spin_unlock_irq(&connection->resource->req_lock); @@ -1873,6 +2058,14 @@ static void wait_for_work(struct drbd_connection *connection, struct list_head * if (send_barrier) maybe_send_barrier(connection, connection->send.current_epoch_nr + 1); + + if (test_bit(DEVICE_WORK_PENDING, &connection->flags)) + break; + + /* drbd_send() may have called flush_signals() */ + if (get_t_state(&connection->worker) != RUNNING) + break; + schedule(); /* may be woken up for other things but new work, too, * e.g. if the current epoch got closed. @@ -1906,10 +2099,15 @@ int drbd_worker(struct drbd_thread *thi) while (get_t_state(thi) == RUNNING) { drbd_thread_current_set_cpu(thi); - /* as long as we use drbd_queue_work_front(), - * we may only dequeue single work items here, not batches. */ - if (list_empty(&work_list)) + if (list_empty(&work_list)) { + update_worker_timing_details(connection, wait_for_work); wait_for_work(connection, &work_list); + } + + if (test_and_clear_bit(DEVICE_WORK_PENDING, &connection->flags)) { + update_worker_timing_details(connection, do_unqueued_work); + do_unqueued_work(connection); + } if (signal_pending(current)) { flush_signals(current); @@ -1926,6 +2124,7 @@ int drbd_worker(struct drbd_thread *thi) while (!list_empty(&work_list)) { w = list_first_entry(&work_list, struct drbd_work, list); list_del_init(&w->list); + update_worker_timing_details(connection, w->cb); if (w->cb(w, connection->cstate < C_WF_REPORT_PARAMS) == 0) continue; if (connection->cstate >= C_WF_REPORT_PARAMS) @@ -1934,13 +2133,18 @@ int drbd_worker(struct drbd_thread *thi) } do { + if (test_and_clear_bit(DEVICE_WORK_PENDING, &connection->flags)) { + update_worker_timing_details(connection, do_unqueued_work); + do_unqueued_work(connection); + } while (!list_empty(&work_list)) { w = list_first_entry(&work_list, struct drbd_work, list); list_del_init(&w->list); + update_worker_timing_details(connection, w->cb); w->cb(w, 1); } dequeue_work_batch(&connection->sender_work, &work_list); - } while (!list_empty(&work_list)); + } while (!list_empty(&work_list) || test_bit(DEVICE_WORK_PENDING, &connection->flags)); rcu_read_lock(); idr_for_each_entry(&connection->peer_devices, peer_device, vnr) { diff --git a/drivers/block/mtip32xx/mtip32xx.c b/drivers/block/mtip32xx/mtip32xx.c index 295f3afbbef5..db1e9560d8a7 100644 --- a/drivers/block/mtip32xx/mtip32xx.c +++ b/drivers/block/mtip32xx/mtip32xx.c @@ -4632,7 +4632,7 @@ static void mtip_pci_shutdown(struct pci_dev *pdev) } /* Table of device ids supported by this driver. */ -static DEFINE_PCI_DEVICE_TABLE(mtip_pci_tbl) = { +static const struct pci_device_id mtip_pci_tbl[] = { { PCI_DEVICE(PCI_VENDOR_ID_MICRON, P320H_DEVICE_ID) }, { PCI_DEVICE(PCI_VENDOR_ID_MICRON, P320M_DEVICE_ID) }, { PCI_DEVICE(PCI_VENDOR_ID_MICRON, P320S_DEVICE_ID) }, diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c index b2c98c1bc037..623c84145b79 100644 --- a/drivers/block/rbd.c +++ b/drivers/block/rbd.c @@ -42,6 +42,7 @@ #include <linux/blkdev.h> #include <linux/slab.h> #include <linux/idr.h> +#include <linux/workqueue.h> #include "rbd_types.h" @@ -332,7 +333,10 @@ struct rbd_device { char name[DEV_NAME_LEN]; /* blkdev name, e.g. rbd3 */ + struct list_head rq_queue; /* incoming rq queue */ spinlock_t lock; /* queue, flags, open_count */ + struct workqueue_struct *rq_wq; + struct work_struct rq_work; struct rbd_image_header header; unsigned long flags; /* possibly lock protected */ @@ -514,7 +518,8 @@ static void rbd_dev_remove_parent(struct rbd_device *rbd_dev); static int rbd_dev_refresh(struct rbd_device *rbd_dev); static int rbd_dev_v2_header_onetime(struct rbd_device *rbd_dev); -static int rbd_dev_v2_header_info(struct rbd_device *rbd_dev); +static int rbd_dev_header_info(struct rbd_device *rbd_dev); +static int rbd_dev_v2_parent_info(struct rbd_device *rbd_dev); static const char *rbd_dev_v2_snap_name(struct rbd_device *rbd_dev, u64 snap_id); static int _rbd_dev_v2_snap_size(struct rbd_device *rbd_dev, u64 snap_id, @@ -971,12 +976,6 @@ static int rbd_header_from_disk(struct rbd_device *rbd_dev, header->snap_names = snap_names; header->snap_sizes = snap_sizes; - /* Make sure mapping size is consistent with header info */ - - if (rbd_dev->spec->snap_id == CEPH_NOSNAP || first_time) - if (rbd_dev->mapping.size != header->image_size) - rbd_dev->mapping.size = header->image_size; - return 0; out_2big: ret = -EIO; @@ -1139,6 +1138,13 @@ static void rbd_dev_mapping_clear(struct rbd_device *rbd_dev) rbd_dev->mapping.features = 0; } +static void rbd_segment_name_free(const char *name) +{ + /* The explicit cast here is needed to drop the const qualifier */ + + kmem_cache_free(rbd_segment_name_cache, (void *)name); +} + static const char *rbd_segment_name(struct rbd_device *rbd_dev, u64 offset) { char *name; @@ -1158,20 +1164,13 @@ static const char *rbd_segment_name(struct rbd_device *rbd_dev, u64 offset) if (ret < 0 || ret > CEPH_MAX_OID_NAME_LEN) { pr_err("error formatting segment name for #%llu (%d)\n", segment, ret); - kfree(name); + rbd_segment_name_free(name); name = NULL; } return name; } -static void rbd_segment_name_free(const char *name) -{ - /* The explicit cast here is needed to drop the const qualifier */ - - kmem_cache_free(rbd_segment_name_cache, (void *)name); -} - static u64 rbd_segment_offset(struct rbd_device *rbd_dev, u64 offset) { u64 segment_size = (u64) 1 << rbd_dev->header.obj_order; @@ -1371,7 +1370,7 @@ static void obj_request_img_data_set(struct rbd_obj_request *obj_request) struct rbd_device *rbd_dev; rbd_dev = obj_request->img_request->rbd_dev; - rbd_warn(rbd_dev, "obj_request %p already marked img_data\n", + rbd_warn(rbd_dev, "obj_request %p already marked img_data", obj_request); } } @@ -1389,7 +1388,7 @@ static void obj_request_done_set(struct rbd_obj_request *obj_request) if (obj_request_img_data_test(obj_request)) rbd_dev = obj_request->img_request->rbd_dev; - rbd_warn(rbd_dev, "obj_request %p already marked done\n", + rbd_warn(rbd_dev, "obj_request %p already marked done", obj_request); } } @@ -1527,11 +1526,37 @@ static bool obj_request_type_valid(enum obj_request_type type) static int rbd_obj_request_submit(struct ceph_osd_client *osdc, struct rbd_obj_request *obj_request) { - dout("%s: osdc %p obj %p\n", __func__, osdc, obj_request); - + dout("%s %p\n", __func__, obj_request); return ceph_osdc_start_request(osdc, obj_request->osd_req, false); } +static void rbd_obj_request_end(struct rbd_obj_request *obj_request) +{ + dout("%s %p\n", __func__, obj_request); + ceph_osdc_cancel_request(obj_request->osd_req); +} + +/* + * Wait for an object request to complete. If interrupted, cancel the + * underlying osd request. + */ +static int rbd_obj_request_wait(struct rbd_obj_request *obj_request) +{ + int ret; + + dout("%s %p\n", __func__, obj_request); + + ret = wait_for_completion_interruptible(&obj_request->completion); + if (ret < 0) { + dout("%s %p interrupted\n", __func__, obj_request); + rbd_obj_request_end(obj_request); + return ret; + } + + dout("%s %p done\n", __func__, obj_request); + return 0; +} + static void rbd_img_request_complete(struct rbd_img_request *img_request) { @@ -1558,15 +1583,6 @@ static void rbd_img_request_complete(struct rbd_img_request *img_request) rbd_img_request_put(img_request); } -/* Caller is responsible for rbd_obj_request_destroy(obj_request) */ - -static int rbd_obj_request_wait(struct rbd_obj_request *obj_request) -{ - dout("%s: obj %p\n", __func__, obj_request); - - return wait_for_completion_interruptible(&obj_request->completion); -} - /* * The default/initial value for all image request flags is 0. Each * is conditionally set to 1 at image request initialization time @@ -1763,7 +1779,7 @@ static void rbd_osd_req_callback(struct ceph_osd_request *osd_req, rbd_osd_trivial_callback(obj_request); break; default: - rbd_warn(NULL, "%s: unsupported op %hu\n", + rbd_warn(NULL, "%s: unsupported op %hu", obj_request->object_name, (unsigned short) opcode); break; } @@ -1998,7 +2014,7 @@ static void rbd_dev_parent_put(struct rbd_device *rbd_dev) if (!counter) rbd_dev_unparent(rbd_dev); else - rbd_warn(rbd_dev, "parent reference underflow\n"); + rbd_warn(rbd_dev, "parent reference underflow"); } /* @@ -2028,7 +2044,7 @@ static bool rbd_dev_parent_get(struct rbd_device *rbd_dev) /* Image was flattened, but parent is not yet torn down */ if (counter < 0) - rbd_warn(rbd_dev, "parent reference overflow\n"); + rbd_warn(rbd_dev, "parent reference overflow"); return false; } @@ -2045,7 +2061,7 @@ static struct rbd_img_request *rbd_img_request_create( { struct rbd_img_request *img_request; - img_request = kmem_cache_alloc(rbd_img_request_cache, GFP_ATOMIC); + img_request = kmem_cache_alloc(rbd_img_request_cache, GFP_NOIO); if (!img_request) return NULL; @@ -2161,11 +2177,11 @@ static bool rbd_img_obj_end_request(struct rbd_obj_request *obj_request) if (result) { struct rbd_device *rbd_dev = img_request->rbd_dev; - rbd_warn(rbd_dev, "%s %llx at %llx (%llx)\n", + rbd_warn(rbd_dev, "%s %llx at %llx (%llx)", img_request_write_test(img_request) ? "write" : "read", obj_request->length, obj_request->img_offset, obj_request->offset); - rbd_warn(rbd_dev, " result %d xferred %x\n", + rbd_warn(rbd_dev, " result %d xferred %x", result, xferred); if (!img_request->result) img_request->result = result; @@ -2946,154 +2962,135 @@ static void rbd_watch_cb(u64 ver, u64 notify_id, u8 opcode, void *data) dout("%s: \"%s\" notify_id %llu opcode %u\n", __func__, rbd_dev->header_name, (unsigned long long)notify_id, (unsigned int)opcode); + + /* + * Until adequate refresh error handling is in place, there is + * not much we can do here, except warn. + * + * See http://tracker.ceph.com/issues/5040 + */ ret = rbd_dev_refresh(rbd_dev); if (ret) - rbd_warn(rbd_dev, "header refresh error (%d)\n", ret); + rbd_warn(rbd_dev, "refresh failed: %d", ret); - rbd_obj_notify_ack_sync(rbd_dev, notify_id); + ret = rbd_obj_notify_ack_sync(rbd_dev, notify_id); + if (ret) + rbd_warn(rbd_dev, "notify_ack ret %d", ret); } /* - * Initiate a watch request, synchronously. + * Send a (un)watch request and wait for the ack. Return a request + * with a ref held on success or error. */ -static int rbd_dev_header_watch_sync(struct rbd_device *rbd_dev) +static struct rbd_obj_request *rbd_obj_watch_request_helper( + struct rbd_device *rbd_dev, + bool watch) { struct ceph_osd_client *osdc = &rbd_dev->rbd_client->client->osdc; struct rbd_obj_request *obj_request; int ret; - rbd_assert(!rbd_dev->watch_event); - rbd_assert(!rbd_dev->watch_request); - - ret = ceph_osdc_create_event(osdc, rbd_watch_cb, rbd_dev, - &rbd_dev->watch_event); - if (ret < 0) - return ret; - - rbd_assert(rbd_dev->watch_event); - obj_request = rbd_obj_request_create(rbd_dev->header_name, 0, 0, OBJ_REQUEST_NODATA); - if (!obj_request) { - ret = -ENOMEM; - goto out_cancel; - } + if (!obj_request) + return ERR_PTR(-ENOMEM); obj_request->osd_req = rbd_osd_req_create(rbd_dev, true, 1, obj_request); if (!obj_request->osd_req) { ret = -ENOMEM; - goto out_put; + goto out; } - ceph_osdc_set_request_linger(osdc, obj_request->osd_req); - osd_req_op_watch_init(obj_request->osd_req, 0, CEPH_OSD_OP_WATCH, - rbd_dev->watch_event->cookie, 0, 1); + rbd_dev->watch_event->cookie, 0, watch); rbd_osd_req_format_write(obj_request); + if (watch) + ceph_osdc_set_request_linger(osdc, obj_request->osd_req); + ret = rbd_obj_request_submit(osdc, obj_request); if (ret) - goto out_linger; + goto out; ret = rbd_obj_request_wait(obj_request); if (ret) - goto out_linger; + goto out; ret = obj_request->result; - if (ret) - goto out_linger; - - /* - * A watch request is set to linger, so the underlying osd - * request won't go away until we unregister it. We retain - * a pointer to the object request during that time (in - * rbd_dev->watch_request), so we'll keep a reference to - * it. We'll drop that reference (below) after we've - * unregistered it. - */ - rbd_dev->watch_request = obj_request; + if (ret) { + if (watch) + rbd_obj_request_end(obj_request); + goto out; + } - return 0; + return obj_request; -out_linger: - ceph_osdc_unregister_linger_request(osdc, obj_request->osd_req); -out_put: +out: rbd_obj_request_put(obj_request); -out_cancel: - ceph_osdc_cancel_event(rbd_dev->watch_event); - rbd_dev->watch_event = NULL; - - return ret; + return ERR_PTR(ret); } /* - * Tear down a watch request, synchronously. + * Initiate a watch request, synchronously. */ -static int __rbd_dev_header_unwatch_sync(struct rbd_device *rbd_dev) +static int rbd_dev_header_watch_sync(struct rbd_device *rbd_dev) { struct ceph_osd_client *osdc = &rbd_dev->rbd_client->client->osdc; struct rbd_obj_request *obj_request; int ret; - rbd_assert(rbd_dev->watch_event); - rbd_assert(rbd_dev->watch_request); + rbd_assert(!rbd_dev->watch_event); + rbd_assert(!rbd_dev->watch_request); - obj_request = rbd_obj_request_create(rbd_dev->header_name, 0, 0, - OBJ_REQUEST_NODATA); - if (!obj_request) { - ret = -ENOMEM; - goto out_cancel; - } + ret = ceph_osdc_create_event(osdc, rbd_watch_cb, rbd_dev, + &rbd_dev->watch_event); + if (ret < 0) + return ret; - obj_request->osd_req = rbd_osd_req_create(rbd_dev, true, 1, - obj_request); - if (!obj_request->osd_req) { - ret = -ENOMEM; - goto out_put; + obj_request = rbd_obj_watch_request_helper(rbd_dev, true); + if (IS_ERR(obj_request)) { + ceph_osdc_cancel_event(rbd_dev->watch_event); + rbd_dev->watch_event = NULL; + return PTR_ERR(obj_request); } - osd_req_op_watch_init(obj_request->osd_req, 0, CEPH_OSD_OP_WATCH, - rbd_dev->watch_event->cookie, 0, 0); - rbd_osd_req_format_write(obj_request); - - ret = rbd_obj_request_submit(osdc, obj_request); - if (ret) - goto out_put; + /* + * A watch request is set to linger, so the underlying osd + * request won't go away until we unregister it. We retain + * a pointer to the object request during that time (in + * rbd_dev->watch_request), so we'll keep a reference to it. + * We'll drop that reference after we've unregistered it in + * rbd_dev_header_unwatch_sync(). + */ + rbd_dev->watch_request = obj_request; - ret = rbd_obj_request_wait(obj_request); - if (ret) - goto out_put; + return 0; +} - ret = obj_request->result; - if (ret) - goto out_put; +/* + * Tear down a watch request, synchronously. + */ +static void rbd_dev_header_unwatch_sync(struct rbd_device *rbd_dev) +{ + struct rbd_obj_request *obj_request; - /* We have successfully torn down the watch request */ + rbd_assert(rbd_dev->watch_event); + rbd_assert(rbd_dev->watch_request); - ceph_osdc_unregister_linger_request(osdc, - rbd_dev->watch_request->osd_req); + rbd_obj_request_end(rbd_dev->watch_request); rbd_obj_request_put(rbd_dev->watch_request); rbd_dev->watch_request = NULL; -out_put: - rbd_obj_request_put(obj_request); -out_cancel: + obj_request = rbd_obj_watch_request_helper(rbd_dev, false); + if (!IS_ERR(obj_request)) + rbd_obj_request_put(obj_request); + else + rbd_warn(rbd_dev, "unable to tear down watch request (%ld)", + PTR_ERR(obj_request)); + ceph_osdc_cancel_event(rbd_dev->watch_event); rbd_dev->watch_event = NULL; - - return ret; -} - -static void rbd_dev_header_unwatch_sync(struct rbd_device *rbd_dev) -{ - int ret; - - ret = __rbd_dev_header_unwatch_sync(rbd_dev); - if (ret) { - rbd_warn(rbd_dev, "unable to tear down watch request: %d\n", - ret); - } } /* @@ -3183,102 +3180,129 @@ out: return ret; } -static void rbd_request_fn(struct request_queue *q) - __releases(q->queue_lock) __acquires(q->queue_lock) +static void rbd_handle_request(struct rbd_device *rbd_dev, struct request *rq) { - struct rbd_device *rbd_dev = q->queuedata; - struct request *rq; + struct rbd_img_request *img_request; + u64 offset = (u64)blk_rq_pos(rq) << SECTOR_SHIFT; + u64 length = blk_rq_bytes(rq); + bool wr = rq_data_dir(rq) == WRITE; int result; - while ((rq = blk_fetch_request(q))) { - bool write_request = rq_data_dir(rq) == WRITE; - struct rbd_img_request *img_request; - u64 offset; - u64 length; + /* Ignore/skip any zero-length requests */ - /* Ignore any non-FS requests that filter through. */ + if (!length) { + dout("%s: zero-length request\n", __func__); + result = 0; + goto err_rq; + } - if (rq->cmd_type != REQ_TYPE_FS) { - dout("%s: non-fs request type %d\n", __func__, - (int) rq->cmd_type); - __blk_end_request_all(rq, 0); - continue; + /* Disallow writes to a read-only device */ + + if (wr) { + if (rbd_dev->mapping.read_only) { + result = -EROFS; + goto err_rq; } + rbd_assert(rbd_dev->spec->snap_id == CEPH_NOSNAP); + } - /* Ignore/skip any zero-length requests */ + /* + * Quit early if the mapped snapshot no longer exists. It's + * still possible the snapshot will have disappeared by the + * time our request arrives at the osd, but there's no sense in + * sending it if we already know. + */ + if (!test_bit(RBD_DEV_FLAG_EXISTS, &rbd_dev->flags)) { + dout("request for non-existent snapshot"); + rbd_assert(rbd_dev->spec->snap_id != CEPH_NOSNAP); + result = -ENXIO; + goto err_rq; + } - offset = (u64) blk_rq_pos(rq) << SECTOR_SHIFT; - length = (u64) blk_rq_bytes(rq); + if (offset && length > U64_MAX - offset + 1) { + rbd_warn(rbd_dev, "bad request range (%llu~%llu)", offset, + length); + result = -EINVAL; + goto err_rq; /* Shouldn't happen */ + } - if (!length) { - dout("%s: zero-length request\n", __func__); - __blk_end_request_all(rq, 0); - continue; - } + if (offset + length > rbd_dev->mapping.size) { + rbd_warn(rbd_dev, "beyond EOD (%llu~%llu > %llu)", offset, + length, rbd_dev->mapping.size); + result = -EIO; + goto err_rq; + } - spin_unlock_irq(q->queue_lock); + img_request = rbd_img_request_create(rbd_dev, offset, length, wr); + if (!img_request) { + result = -ENOMEM; + goto err_rq; + } + img_request->rq = rq; - /* Disallow writes to a read-only device */ + result = rbd_img_request_fill(img_request, OBJ_REQUEST_BIO, rq->bio); + if (result) + goto err_img_request; - if (write_request) { - result = -EROFS; - if (rbd_dev->mapping.read_only) - goto end_request; - rbd_assert(rbd_dev->spec->snap_id == CEPH_NOSNAP); - } + result = rbd_img_request_submit(img_request); + if (result) + goto err_img_request; - /* - * Quit early if the mapped snapshot no longer - * exists. It's still possible the snapshot will - * have disappeared by the time our request arrives - * at the osd, but there's no sense in sending it if - * we already know. - */ - if (!test_bit(RBD_DEV_FLAG_EXISTS, &rbd_dev->flags)) { - dout("request for non-existent snapshot"); - rbd_assert(rbd_dev->spec->snap_id != CEPH_NOSNAP); - result = -ENXIO; - goto end_request; - } + return; - result = -EINVAL; - if (offset && length > U64_MAX - offset + 1) { - rbd_warn(rbd_dev, "bad request range (%llu~%llu)\n", - offset, length); - goto end_request; /* Shouldn't happen */ - } +err_img_request: + rbd_img_request_put(img_request); +err_rq: + if (result) + rbd_warn(rbd_dev, "%s %llx at %llx result %d", + wr ? "write" : "read", length, offset, result); + blk_end_request_all(rq, result); +} - result = -EIO; - if (offset + length > rbd_dev->mapping.size) { - rbd_warn(rbd_dev, "beyond EOD (%llu~%llu > %llu)\n", - offset, length, rbd_dev->mapping.size); - goto end_request; - } +static void rbd_request_workfn(struct work_struct *work) +{ + struct rbd_device *rbd_dev = + container_of(work, struct rbd_device, rq_work); + struct request *rq, *next; + LIST_HEAD(requests); - result = -ENOMEM; - img_request = rbd_img_request_create(rbd_dev, offset, length, - write_request); - if (!img_request) - goto end_request; + spin_lock_irq(&rbd_dev->lock); /* rq->q->queue_lock */ + list_splice_init(&rbd_dev->rq_queue, &requests); + spin_unlock_irq(&rbd_dev->lock); - img_request->rq = rq; + list_for_each_entry_safe(rq, next, &requests, queuelist) { + list_del_init(&rq->queuelist); + rbd_handle_request(rbd_dev, rq); + } +} - result = rbd_img_request_fill(img_request, OBJ_REQUEST_BIO, - rq->bio); - if (!result) - result = rbd_img_request_submit(img_request); - if (result) - rbd_img_request_put(img_request); -end_request: - spin_lock_irq(q->queue_lock); - if (result < 0) { - rbd_warn(rbd_dev, "%s %llx at %llx result %d\n", - write_request ? "write" : "read", - length, offset, result); - - __blk_end_request_all(rq, result); +/* + * Called with q->queue_lock held and interrupts disabled, possibly on + * the way to schedule(). Do not sleep here! + */ +static void rbd_request_fn(struct request_queue *q) +{ + struct rbd_device *rbd_dev = q->queuedata; + struct request *rq; + int queued = 0; + + rbd_assert(rbd_dev); + + while ((rq = blk_fetch_request(q))) { + /* Ignore any non-FS requests that filter through. */ + if (rq->cmd_type != REQ_TYPE_FS) { + dout("%s: non-fs request type %d\n", __func__, + (int) rq->cmd_type); + __blk_end_request_all(rq, 0); + continue; } + + list_add_tail(&rq->queuelist, &rbd_dev->rq_queue); + queued++; } + + if (queued) + queue_work(rbd_dev->rq_wq, &rbd_dev->rq_work); } /* @@ -3517,24 +3541,37 @@ static int rbd_dev_refresh(struct rbd_device *rbd_dev) u64 mapping_size; int ret; - rbd_assert(rbd_image_format_valid(rbd_dev->image_format)); down_write(&rbd_dev->header_rwsem); mapping_size = rbd_dev->mapping.size; - if (rbd_dev->image_format == 1) - ret = rbd_dev_v1_header_info(rbd_dev); - else - ret = rbd_dev_v2_header_info(rbd_dev); - /* If it's a mapped snapshot, validate its EXISTS flag */ + ret = rbd_dev_header_info(rbd_dev); + if (ret) + return ret; + + /* + * If there is a parent, see if it has disappeared due to the + * mapped image getting flattened. + */ + if (rbd_dev->parent) { + ret = rbd_dev_v2_parent_info(rbd_dev); + if (ret) + return ret; + } + + if (rbd_dev->spec->snap_id == CEPH_NOSNAP) { + if (rbd_dev->mapping.size != rbd_dev->header.image_size) + rbd_dev->mapping.size = rbd_dev->header.image_size; + } else { + /* validate mapped snapshot's EXISTS flag */ + rbd_exists_validate(rbd_dev); + } - rbd_exists_validate(rbd_dev); up_write(&rbd_dev->header_rwsem); - if (mapping_size != rbd_dev->mapping.size) { + if (mapping_size != rbd_dev->mapping.size) rbd_dev_update_size(rbd_dev); - } - return ret; + return 0; } static int rbd_init_disk(struct rbd_device *rbd_dev) @@ -3696,46 +3733,36 @@ static ssize_t rbd_snap_show(struct device *dev, } /* - * For an rbd v2 image, shows the pool id, image id, and snapshot id - * for the parent image. If there is no parent, simply shows - * "(no parent image)". + * For a v2 image, shows the chain of parent images, separated by empty + * lines. For v1 images or if there is no parent, shows "(no parent + * image)". */ static ssize_t rbd_parent_show(struct device *dev, - struct device_attribute *attr, - char *buf) + struct device_attribute *attr, + char *buf) { struct rbd_device *rbd_dev = dev_to_rbd_dev(dev); - struct rbd_spec *spec = rbd_dev->parent_spec; - int count; - char *bufp = buf; + ssize_t count = 0; - if (!spec) + if (!rbd_dev->parent) return sprintf(buf, "(no parent image)\n"); - count = sprintf(bufp, "pool_id %llu\npool_name %s\n", - (unsigned long long) spec->pool_id, spec->pool_name); - if (count < 0) - return count; - bufp += count; - - count = sprintf(bufp, "image_id %s\nimage_name %s\n", spec->image_id, - spec->image_name ? spec->image_name : "(unknown)"); - if (count < 0) - return count; - bufp += count; - - count = sprintf(bufp, "snap_id %llu\nsnap_name %s\n", - (unsigned long long) spec->snap_id, spec->snap_name); - if (count < 0) - return count; - bufp += count; - - count = sprintf(bufp, "overlap %llu\n", rbd_dev->parent_overlap); - if (count < 0) - return count; - bufp += count; + for ( ; rbd_dev->parent; rbd_dev = rbd_dev->parent) { + struct rbd_spec *spec = rbd_dev->parent_spec; + + count += sprintf(&buf[count], "%s" + "pool_id %llu\npool_name %s\n" + "image_id %s\nimage_name %s\n" + "snap_id %llu\nsnap_name %s\n" + "overlap %llu\n", + !count ? "" : "\n", /* first? */ + spec->pool_id, spec->pool_name, + spec->image_id, spec->image_name ?: "(unknown)", + spec->snap_id, spec->snap_name, + rbd_dev->parent_overlap); + } - return (ssize_t) (bufp - buf); + return count; } static ssize_t rbd_image_refresh(struct device *dev, @@ -3748,9 +3775,9 @@ static ssize_t rbd_image_refresh(struct device *dev, ret = rbd_dev_refresh(rbd_dev); if (ret) - rbd_warn(rbd_dev, ": manual header refresh error (%d)\n", ret); + return ret; - return ret < 0 ? ret : size; + return size; } static DEVICE_ATTR(size, S_IRUGO, rbd_size_show, NULL); @@ -3822,6 +3849,9 @@ static struct rbd_spec *rbd_spec_alloc(void) spec = kzalloc(sizeof (*spec), GFP_KERNEL); if (!spec) return NULL; + + spec->pool_id = CEPH_NOPOOL; + spec->snap_id = CEPH_NOSNAP; kref_init(&spec->kref); return spec; @@ -3848,6 +3878,8 @@ static struct rbd_device *rbd_dev_create(struct rbd_client *rbdc, return NULL; spin_lock_init(&rbd_dev->lock); + INIT_LIST_HEAD(&rbd_dev->rq_queue); + INIT_WORK(&rbd_dev->rq_work, rbd_request_workfn); rbd_dev->flags = 0; atomic_set(&rbd_dev->parent_ref, 0); INIT_LIST_HEAD(&rbd_dev->node); @@ -4021,7 +4053,7 @@ static int rbd_dev_v2_parent_info(struct rbd_device *rbd_dev) goto out_err; } - snapid = cpu_to_le64(CEPH_NOSNAP); + snapid = cpu_to_le64(rbd_dev->spec->snap_id); ret = rbd_obj_method_sync(rbd_dev, rbd_dev->header_name, "rbd", "get_parent", &snapid, sizeof (snapid), @@ -4059,7 +4091,7 @@ static int rbd_dev_v2_parent_info(struct rbd_device *rbd_dev) ret = -EIO; if (pool_id > (u64)U32_MAX) { - rbd_warn(NULL, "parent pool id too large (%llu > %u)\n", + rbd_warn(NULL, "parent pool id too large (%llu > %u)", (unsigned long long)pool_id, U32_MAX); goto out_err; } @@ -4083,6 +4115,8 @@ static int rbd_dev_v2_parent_info(struct rbd_device *rbd_dev) parent_spec->snap_id = snap_id; rbd_dev->parent_spec = parent_spec; parent_spec = NULL; /* rbd_dev now owns this */ + } else { + kfree(image_id); } /* @@ -4110,8 +4144,7 @@ static int rbd_dev_v2_parent_info(struct rbd_device *rbd_dev) * overlap is zero we just pretend there was * no parent image. */ - rbd_warn(rbd_dev, "ignoring parent of " - "clone with overlap 0\n"); + rbd_warn(rbd_dev, "ignoring parent with overlap 0"); } } out: @@ -4279,18 +4312,38 @@ static u64 rbd_snap_id_by_name(struct rbd_device *rbd_dev, const char *name) } /* - * When an rbd image has a parent image, it is identified by the - * pool, image, and snapshot ids (not names). This function fills - * in the names for those ids. (It's OK if we can't figure out the - * name for an image id, but the pool and snapshot ids should always - * exist and have names.) All names in an rbd spec are dynamically - * allocated. + * An image being mapped will have everything but the snap id. + */ +static int rbd_spec_fill_snap_id(struct rbd_device *rbd_dev) +{ + struct rbd_spec *spec = rbd_dev->spec; + + rbd_assert(spec->pool_id != CEPH_NOPOOL && spec->pool_name); + rbd_assert(spec->image_id && spec->image_name); + rbd_assert(spec->snap_name); + + if (strcmp(spec->snap_name, RBD_SNAP_HEAD_NAME)) { + u64 snap_id; + + snap_id = rbd_snap_id_by_name(rbd_dev, spec->snap_name); + if (snap_id == CEPH_NOSNAP) + return -ENOENT; + + spec->snap_id = snap_id; + } else { + spec->snap_id = CEPH_NOSNAP; + } + + return 0; +} + +/* + * A parent image will have all ids but none of the names. * - * When an image being mapped (not a parent) is probed, we have the - * pool name and pool id, image name and image id, and the snapshot - * name. The only thing we're missing is the snapshot id. + * All names in an rbd spec are dynamically allocated. It's OK if we + * can't figure out the name for an image id. */ -static int rbd_dev_spec_update(struct rbd_device *rbd_dev) +static int rbd_spec_fill_names(struct rbd_device *rbd_dev) { struct ceph_osd_client *osdc = &rbd_dev->rbd_client->client->osdc; struct rbd_spec *spec = rbd_dev->spec; @@ -4299,24 +4352,9 @@ static int rbd_dev_spec_update(struct rbd_device *rbd_dev) const char *snap_name; int ret; - /* - * An image being mapped will have the pool name (etc.), but - * we need to look up the snapshot id. - */ - if (spec->pool_name) { - if (strcmp(spec->snap_name, RBD_SNAP_HEAD_NAME)) { - u64 snap_id; - - snap_id = rbd_snap_id_by_name(rbd_dev, spec->snap_name); - if (snap_id == CEPH_NOSNAP) - return -ENOENT; - spec->snap_id = snap_id; - } else { - spec->snap_id = CEPH_NOSNAP; - } - - return 0; - } + rbd_assert(spec->pool_id != CEPH_NOPOOL); + rbd_assert(spec->image_id); + rbd_assert(spec->snap_id != CEPH_NOSNAP); /* Get the pool name; we have to make our own copy of this */ @@ -4335,7 +4373,7 @@ static int rbd_dev_spec_update(struct rbd_device *rbd_dev) if (!image_name) rbd_warn(rbd_dev, "unable to get image name"); - /* Look up the snapshot name, and make a copy */ + /* Fetch the snapshot name */ snap_name = rbd_snap_name(rbd_dev, spec->snap_id); if (IS_ERR(snap_name)) { @@ -4348,10 +4386,10 @@ static int rbd_dev_spec_update(struct rbd_device *rbd_dev) spec->snap_name = snap_name; return 0; + out_err: kfree(image_name); kfree(pool_name); - return ret; } @@ -4483,43 +4521,22 @@ static int rbd_dev_v2_header_info(struct rbd_device *rbd_dev) return ret; } - /* - * If the image supports layering, get the parent info. We - * need to probe the first time regardless. Thereafter we - * only need to if there's a parent, to see if it has - * disappeared due to the mapped image getting flattened. - */ - if (rbd_dev->header.features & RBD_FEATURE_LAYERING && - (first_time || rbd_dev->parent_spec)) { - bool warn; - - ret = rbd_dev_v2_parent_info(rbd_dev); - if (ret) - return ret; - - /* - * Print a warning if this is the initial probe and - * the image has a parent. Don't print it if the - * image now being probed is itself a parent. We - * can tell at this point because we won't know its - * pool name yet (just its pool id). - */ - warn = rbd_dev->parent_spec && rbd_dev->spec->pool_name; - if (first_time && warn) - rbd_warn(rbd_dev, "WARNING: kernel layering " - "is EXPERIMENTAL!"); - } - - if (rbd_dev->spec->snap_id == CEPH_NOSNAP) - if (rbd_dev->mapping.size != rbd_dev->header.image_size) - rbd_dev->mapping.size = rbd_dev->header.image_size; - ret = rbd_dev_v2_snap_context(rbd_dev); dout("rbd_dev_v2_snap_context returned %d\n", ret); return ret; } +static int rbd_dev_header_info(struct rbd_device *rbd_dev) +{ + rbd_assert(rbd_image_format_valid(rbd_dev->image_format)); + + if (rbd_dev->image_format == 1) + return rbd_dev_v1_header_info(rbd_dev); + + return rbd_dev_v2_header_info(rbd_dev); +} + static int rbd_bus_add_dev(struct rbd_device *rbd_dev) { struct device *dev; @@ -5066,12 +5083,17 @@ static int rbd_dev_device_setup(struct rbd_device *rbd_dev) ret = rbd_dev_mapping_set(rbd_dev); if (ret) goto err_out_disk; + set_capacity(rbd_dev->disk, rbd_dev->mapping.size / SECTOR_SIZE); set_disk_ro(rbd_dev->disk, rbd_dev->mapping.read_only); + rbd_dev->rq_wq = alloc_workqueue(rbd_dev->disk->disk_name, 0, 0); + if (!rbd_dev->rq_wq) + goto err_out_mapping; + ret = rbd_bus_add_dev(rbd_dev); if (ret) - goto err_out_mapping; + goto err_out_workqueue; /* Everything's ready. Announce the disk to the world. */ @@ -5083,6 +5105,9 @@ static int rbd_dev_device_setup(struct rbd_device *rbd_dev) return ret; +err_out_workqueue: + destroy_workqueue(rbd_dev->rq_wq); + rbd_dev->rq_wq = NULL; err_out_mapping: rbd_dev_mapping_clear(rbd_dev); err_out_disk: @@ -5155,8 +5180,6 @@ static int rbd_dev_image_probe(struct rbd_device *rbd_dev, bool mapping) ret = rbd_dev_image_id(rbd_dev); if (ret) return ret; - rbd_assert(rbd_dev->spec->image_id); - rbd_assert(rbd_image_format_valid(rbd_dev->image_format)); ret = rbd_dev_header_name(rbd_dev); if (ret) @@ -5168,25 +5191,45 @@ static int rbd_dev_image_probe(struct rbd_device *rbd_dev, bool mapping) goto out_header_name; } - if (rbd_dev->image_format == 1) - ret = rbd_dev_v1_header_info(rbd_dev); - else - ret = rbd_dev_v2_header_info(rbd_dev); + ret = rbd_dev_header_info(rbd_dev); if (ret) goto err_out_watch; - ret = rbd_dev_spec_update(rbd_dev); + /* + * If this image is the one being mapped, we have pool name and + * id, image name and id, and snap name - need to fill snap id. + * Otherwise this is a parent image, identified by pool, image + * and snap ids - need to fill in names for those ids. + */ + if (mapping) + ret = rbd_spec_fill_snap_id(rbd_dev); + else + ret = rbd_spec_fill_names(rbd_dev); if (ret) goto err_out_probe; + if (rbd_dev->header.features & RBD_FEATURE_LAYERING) { + ret = rbd_dev_v2_parent_info(rbd_dev); + if (ret) + goto err_out_probe; + + /* + * Need to warn users if this image is the one being + * mapped and has a parent. + */ + if (mapping && rbd_dev->parent_spec) + rbd_warn(rbd_dev, + "WARNING: kernel layering is EXPERIMENTAL!"); + } + ret = rbd_dev_probe_parent(rbd_dev); if (ret) goto err_out_probe; dout("discovered format %u image, header name is %s\n", rbd_dev->image_format, rbd_dev->header_name); - return 0; + err_out_probe: rbd_dev_unprobe(rbd_dev); err_out_watch: @@ -5199,9 +5242,6 @@ err_out_format: rbd_dev->image_format = 0; kfree(rbd_dev->spec->image_id); rbd_dev->spec->image_id = NULL; - - dout("probe failed, returning %d\n", ret); - return ret; } @@ -5243,7 +5283,7 @@ static ssize_t do_rbd_add(struct bus_type *bus, /* The ceph file layout needs to fit pool id in 32 bits */ if (spec->pool_id > (u64)U32_MAX) { - rbd_warn(NULL, "pool id too large (%llu > %u)\n", + rbd_warn(NULL, "pool id too large (%llu > %u)", (unsigned long long)spec->pool_id, U32_MAX); rc = -EIO; goto err_out_client; @@ -5314,6 +5354,7 @@ static void rbd_dev_device_release(struct device *dev) { struct rbd_device *rbd_dev = dev_to_rbd_dev(dev); + destroy_workqueue(rbd_dev->rq_wq); rbd_free_disk(rbd_dev); clear_bit(RBD_DEV_FLAG_EXISTS, &rbd_dev->flags); rbd_dev_mapping_clear(rbd_dev); diff --git a/drivers/block/rsxx/core.c b/drivers/block/rsxx/core.c index a8de2eec6ff3..820b4009d5f7 100644 --- a/drivers/block/rsxx/core.c +++ b/drivers/block/rsxx/core.c @@ -1137,7 +1137,7 @@ static const struct pci_error_handlers rsxx_err_handler = { .slot_reset = rsxx_slot_reset, }; -static DEFINE_PCI_DEVICE_TABLE(rsxx_pci_ids) = { +static const struct pci_device_id rsxx_pci_ids[] = { {PCI_DEVICE(PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_FS70_FLASH)}, {PCI_DEVICE(PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_FS80_FLASH)}, {0,}, diff --git a/drivers/block/skd_main.c b/drivers/block/skd_main.c index f0a089df85cc..8fcdcfb4b472 100644 --- a/drivers/block/skd_main.c +++ b/drivers/block/skd_main.c @@ -4766,7 +4766,7 @@ static const struct block_device_operations skd_blockdev_ops = { ***************************************************************************** */ -static DEFINE_PCI_DEVICE_TABLE(skd_pci_tbl) = { +static const struct pci_device_id skd_pci_tbl[] = { { PCI_VENDOR_ID_STEC, PCI_DEVICE_ID_S1120, PCI_ANY_ID, PCI_ANY_ID, 0, 0, }, { 0 } /* terminate list */ diff --git a/drivers/block/virtio_blk.c b/drivers/block/virtio_blk.c index f63d358f3d93..0a581400de0f 100644 --- a/drivers/block/virtio_blk.c +++ b/drivers/block/virtio_blk.c @@ -15,17 +15,22 @@ #include <linux/numa.h> #define PART_BITS 4 +#define VQ_NAME_LEN 16 static int major; static DEFINE_IDA(vd_index_ida); static struct workqueue_struct *virtblk_wq; +struct virtio_blk_vq { + struct virtqueue *vq; + spinlock_t lock; + char name[VQ_NAME_LEN]; +} ____cacheline_aligned_in_smp; + struct virtio_blk { struct virtio_device *vdev; - struct virtqueue *vq; - spinlock_t vq_lock; /* The disk structure for the kernel. */ struct gendisk *disk; @@ -47,6 +52,10 @@ struct virtio_blk /* Ida index - used to track minor number allocations. */ int index; + + /* num of vqs */ + int num_vqs; + struct virtio_blk_vq *vqs; }; struct virtblk_req @@ -133,14 +142,15 @@ static void virtblk_done(struct virtqueue *vq) { struct virtio_blk *vblk = vq->vdev->priv; bool req_done = false; + int qid = vq->index; struct virtblk_req *vbr; unsigned long flags; unsigned int len; - spin_lock_irqsave(&vblk->vq_lock, flags); + spin_lock_irqsave(&vblk->vqs[qid].lock, flags); do { virtqueue_disable_cb(vq); - while ((vbr = virtqueue_get_buf(vblk->vq, &len)) != NULL) { + while ((vbr = virtqueue_get_buf(vblk->vqs[qid].vq, &len)) != NULL) { blk_mq_complete_request(vbr->req); req_done = true; } @@ -151,7 +161,7 @@ static void virtblk_done(struct virtqueue *vq) /* In case queue is stopped waiting for more buffers. */ if (req_done) blk_mq_start_stopped_hw_queues(vblk->disk->queue, true); - spin_unlock_irqrestore(&vblk->vq_lock, flags); + spin_unlock_irqrestore(&vblk->vqs[qid].lock, flags); } static int virtio_queue_rq(struct blk_mq_hw_ctx *hctx, struct request *req) @@ -160,6 +170,7 @@ static int virtio_queue_rq(struct blk_mq_hw_ctx *hctx, struct request *req) struct virtblk_req *vbr = blk_mq_rq_to_pdu(req); unsigned long flags; unsigned int num; + int qid = hctx->queue_num; const bool last = (req->cmd_flags & REQ_END) != 0; int err; bool notify = false; @@ -202,12 +213,12 @@ static int virtio_queue_rq(struct blk_mq_hw_ctx *hctx, struct request *req) vbr->out_hdr.type |= VIRTIO_BLK_T_IN; } - spin_lock_irqsave(&vblk->vq_lock, flags); - err = __virtblk_add_req(vblk->vq, vbr, vbr->sg, num); + spin_lock_irqsave(&vblk->vqs[qid].lock, flags); + err = __virtblk_add_req(vblk->vqs[qid].vq, vbr, vbr->sg, num); if (err) { - virtqueue_kick(vblk->vq); + virtqueue_kick(vblk->vqs[qid].vq); blk_mq_stop_hw_queue(hctx); - spin_unlock_irqrestore(&vblk->vq_lock, flags); + spin_unlock_irqrestore(&vblk->vqs[qid].lock, flags); /* Out of mem doesn't actually happen, since we fall back * to direct descriptors */ if (err == -ENOMEM || err == -ENOSPC) @@ -215,12 +226,12 @@ static int virtio_queue_rq(struct blk_mq_hw_ctx *hctx, struct request *req) return BLK_MQ_RQ_QUEUE_ERROR; } - if (last && virtqueue_kick_prepare(vblk->vq)) + if (last && virtqueue_kick_prepare(vblk->vqs[qid].vq)) notify = true; - spin_unlock_irqrestore(&vblk->vq_lock, flags); + spin_unlock_irqrestore(&vblk->vqs[qid].lock, flags); if (notify) - virtqueue_notify(vblk->vq); + virtqueue_notify(vblk->vqs[qid].vq); return BLK_MQ_RQ_QUEUE_OK; } @@ -377,12 +388,64 @@ static void virtblk_config_changed(struct virtio_device *vdev) static int init_vq(struct virtio_blk *vblk) { int err = 0; + int i; + vq_callback_t **callbacks; + const char **names; + struct virtqueue **vqs; + unsigned short num_vqs; + struct virtio_device *vdev = vblk->vdev; + + err = virtio_cread_feature(vdev, VIRTIO_BLK_F_MQ, + struct virtio_blk_config, num_queues, + &num_vqs); + if (err) + num_vqs = 1; + + vblk->vqs = kmalloc(sizeof(*vblk->vqs) * num_vqs, GFP_KERNEL); + if (!vblk->vqs) { + err = -ENOMEM; + goto out; + } + + names = kmalloc(sizeof(*names) * num_vqs, GFP_KERNEL); + if (!names) + goto err_names; + + callbacks = kmalloc(sizeof(*callbacks) * num_vqs, GFP_KERNEL); + if (!callbacks) + goto err_callbacks; + + vqs = kmalloc(sizeof(*vqs) * num_vqs, GFP_KERNEL); + if (!vqs) + goto err_vqs; - /* We expect one virtqueue, for output. */ - vblk->vq = virtio_find_single_vq(vblk->vdev, virtblk_done, "requests"); - if (IS_ERR(vblk->vq)) - err = PTR_ERR(vblk->vq); + for (i = 0; i < num_vqs; i++) { + callbacks[i] = virtblk_done; + snprintf(vblk->vqs[i].name, VQ_NAME_LEN, "req.%d", i); + names[i] = vblk->vqs[i].name; + } + + /* Discover virtqueues and write information to configuration. */ + err = vdev->config->find_vqs(vdev, num_vqs, vqs, callbacks, names); + if (err) + goto err_find_vqs; + for (i = 0; i < num_vqs; i++) { + spin_lock_init(&vblk->vqs[i].lock); + vblk->vqs[i].vq = vqs[i]; + } + vblk->num_vqs = num_vqs; + + err_find_vqs: + kfree(vqs); + err_vqs: + kfree(callbacks); + err_callbacks: + kfree(names); + err_names: + if (err) + kfree(vblk->vqs); + out: return err; } @@ -551,7 +614,6 @@ static int virtblk_probe(struct virtio_device *vdev) err = init_vq(vblk); if (err) goto out_free_vblk; - spin_lock_init(&vblk->vq_lock); /* FIXME: How many partitions? How long is a piece of string? */ vblk->disk = alloc_disk(1 << PART_BITS); @@ -562,7 +624,7 @@ static int virtblk_probe(struct virtio_device *vdev) /* Default queue sizing is to fill the ring. */ if (!virtblk_queue_depth) { - virtblk_queue_depth = vblk->vq->num_free; + virtblk_queue_depth = vblk->vqs[0].vq->num_free; /* ... but without indirect descs, we use 2 descs per req */ if (!virtio_has_feature(vdev, VIRTIO_RING_F_INDIRECT_DESC)) virtblk_queue_depth /= 2; @@ -570,7 +632,6 @@ static int virtblk_probe(struct virtio_device *vdev) memset(&vblk->tag_set, 0, sizeof(vblk->tag_set)); vblk->tag_set.ops = &virtio_mq_ops; - vblk->tag_set.nr_hw_queues = 1; vblk->tag_set.queue_depth = virtblk_queue_depth; vblk->tag_set.numa_node = NUMA_NO_NODE; vblk->tag_set.flags = BLK_MQ_F_SHOULD_MERGE; @@ -578,6 +639,7 @@ static int virtblk_probe(struct virtio_device *vdev) sizeof(struct virtblk_req) + sizeof(struct scatterlist) * sg_elems; vblk->tag_set.driver_data = vblk; + vblk->tag_set.nr_hw_queues = vblk->num_vqs; err = blk_mq_alloc_tag_set(&vblk->tag_set); if (err) @@ -727,6 +789,7 @@ static void virtblk_remove(struct virtio_device *vdev) refc = atomic_read(&disk_to_dev(vblk->disk)->kobj.kref.refcount); put_disk(vblk->disk); vdev->config->del_vqs(vdev); + kfree(vblk->vqs); kfree(vblk); /* Only free device id if we don't have any users */ @@ -777,7 +840,8 @@ static const struct virtio_device_id id_table[] = { static unsigned int features[] = { VIRTIO_BLK_F_SEG_MAX, VIRTIO_BLK_F_SIZE_MAX, VIRTIO_BLK_F_GEOMETRY, VIRTIO_BLK_F_RO, VIRTIO_BLK_F_BLK_SIZE, VIRTIO_BLK_F_SCSI, - VIRTIO_BLK_F_WCE, VIRTIO_BLK_F_TOPOLOGY, VIRTIO_BLK_F_CONFIG_WCE + VIRTIO_BLK_F_WCE, VIRTIO_BLK_F_TOPOLOGY, VIRTIO_BLK_F_CONFIG_WCE, + VIRTIO_BLK_F_MQ, }; static struct virtio_driver virtio_blk = { diff --git a/drivers/char/hw_random/virtio-rng.c b/drivers/char/hw_random/virtio-rng.c index 0027137daa56..2e3139eda93b 100644 --- a/drivers/char/hw_random/virtio-rng.c +++ b/drivers/char/hw_random/virtio-rng.c @@ -116,6 +116,7 @@ static int probe_common(struct virtio_device *vdev) .cleanup = virtio_cleanup, .priv = (unsigned long)vi, .name = vi->name, + .quality = 1000, }; vdev->priv = vi; diff --git a/drivers/cpufreq/arm_big_little.c b/drivers/cpufreq/arm_big_little.c index 1f4d4e315057..a46c223c2506 100644 --- a/drivers/cpufreq/arm_big_little.c +++ b/drivers/cpufreq/arm_big_little.c @@ -24,6 +24,7 @@ #include <linux/cpufreq.h> #include <linux/cpumask.h> #include <linux/export.h> +#include <linux/module.h> #include <linux/mutex.h> #include <linux/of_platform.h> #include <linux/pm_opp.h> @@ -593,3 +594,7 @@ void bL_cpufreq_unregister(struct cpufreq_arm_bL_ops *ops) arm_bL_ops = NULL; } EXPORT_SYMBOL_GPL(bL_cpufreq_unregister); + +MODULE_AUTHOR("Viresh Kumar <viresh.kumar@linaro.org>"); +MODULE_DESCRIPTION("Generic ARM big LITTLE cpufreq driver"); +MODULE_LICENSE("GPL v2"); diff --git a/drivers/cpufreq/arm_big_little_dt.c b/drivers/cpufreq/arm_big_little_dt.c index 8d9d59108906..4550f6976768 100644 --- a/drivers/cpufreq/arm_big_little_dt.c +++ b/drivers/cpufreq/arm_big_little_dt.c @@ -114,4 +114,4 @@ module_platform_driver(generic_bL_platdrv); MODULE_AUTHOR("Viresh Kumar <viresh.kumar@linaro.org>"); MODULE_DESCRIPTION("Generic ARM big LITTLE cpufreq driver via DT"); -MODULE_LICENSE("GPL"); +MODULE_LICENSE("GPL v2"); diff --git a/drivers/cpufreq/cpufreq-cpu0.c b/drivers/cpufreq/cpufreq-cpu0.c index 86beda9f950b..0d2172b07765 100644 --- a/drivers/cpufreq/cpufreq-cpu0.c +++ b/drivers/cpufreq/cpufreq-cpu0.c @@ -137,7 +137,7 @@ static int cpu0_cpufreq_probe(struct platform_device *pdev) * not yet registered, we should try defering probe. */ if (PTR_ERR(cpu_reg) == -EPROBE_DEFER) { - dev_err(cpu_dev, "cpu0 regulator not ready, retry\n"); + dev_dbg(cpu_dev, "cpu0 regulator not ready, retry\n"); ret = -EPROBE_DEFER; goto out_put_node; } diff --git a/drivers/cpufreq/cpufreq_opp.c b/drivers/cpufreq/cpufreq_opp.c index c0c6f4a4eccf..f7a32d2326c6 100644 --- a/drivers/cpufreq/cpufreq_opp.c +++ b/drivers/cpufreq/cpufreq_opp.c @@ -60,7 +60,7 @@ int dev_pm_opp_init_cpufreq_table(struct device *dev, goto out; } - freq_table = kzalloc(sizeof(*freq_table) * (max_opps + 1), GFP_KERNEL); + freq_table = kcalloc(sizeof(*freq_table), (max_opps + 1), GFP_ATOMIC); if (!freq_table) { ret = -ENOMEM; goto out; diff --git a/drivers/cpufreq/integrator-cpufreq.c b/drivers/cpufreq/integrator-cpufreq.c index e5122f1bfe78..c1320528b9d0 100644 --- a/drivers/cpufreq/integrator-cpufreq.c +++ b/drivers/cpufreq/integrator-cpufreq.c @@ -92,7 +92,7 @@ static int integrator_set_target(struct cpufreq_policy *policy, * Bind to the specified CPU. When this call returns, * we should be running on the right CPU. */ - set_cpus_allowed(current, cpumask_of_cpu(cpu)); + set_cpus_allowed_ptr(current, cpumask_of(cpu)); BUG_ON(cpu != smp_processor_id()); /* get current setting */ @@ -118,7 +118,7 @@ static int integrator_set_target(struct cpufreq_policy *policy, freqs.new = icst_hz(&cclk_params, vco) / 1000; if (freqs.old == freqs.new) { - set_cpus_allowed(current, cpus_allowed); + set_cpus_allowed_ptr(current, &cpus_allowed); return 0; } @@ -141,7 +141,7 @@ static int integrator_set_target(struct cpufreq_policy *policy, /* * Restore the CPUs allowed mask. */ - set_cpus_allowed(current, cpus_allowed); + set_cpus_allowed_ptr(current, &cpus_allowed); cpufreq_freq_transition_end(policy, &freqs, 0); @@ -157,7 +157,7 @@ static unsigned int integrator_get(unsigned int cpu) cpus_allowed = current->cpus_allowed; - set_cpus_allowed(current, cpumask_of_cpu(cpu)); + set_cpus_allowed_ptr(current, cpumask_of(cpu)); BUG_ON(cpu != smp_processor_id()); /* detect memory etc. */ @@ -173,7 +173,7 @@ static unsigned int integrator_get(unsigned int cpu) current_freq = icst_hz(&cclk_params, vco) / 1000; /* current freq */ - set_cpus_allowed(current, cpus_allowed); + set_cpus_allowed_ptr(current, &cpus_allowed); return current_freq; } diff --git a/drivers/cpufreq/pmac64-cpufreq.c b/drivers/cpufreq/pmac64-cpufreq.c index 8bc422977b5b..4ff86878727f 100644 --- a/drivers/cpufreq/pmac64-cpufreq.c +++ b/drivers/cpufreq/pmac64-cpufreq.c @@ -499,8 +499,7 @@ static int __init g5_pm72_cpufreq_init(struct device_node *cpunode) } /* Lookup the i2c hwclock */ - for (hwclock = NULL; - (hwclock = of_find_node_by_name(hwclock, "i2c-hwclock")) != NULL;){ + for_each_node_by_name(hwclock, "i2c-hwclock") { const char *loc = of_get_property(hwclock, "hwctrl-location", NULL); if (loc == NULL) diff --git a/drivers/cpufreq/speedstep-smi.c b/drivers/cpufreq/speedstep-smi.c index 8635eec96da5..5fc96d5d656b 100644 --- a/drivers/cpufreq/speedstep-smi.c +++ b/drivers/cpufreq/speedstep-smi.c @@ -324,8 +324,8 @@ static int __init speedstep_init(void) return -ENODEV; } - pr_debug("signature:0x%.8ulx, command:0x%.8ulx, " - "event:0x%.8ulx, perf_level:0x%.8ulx.\n", + pr_debug("signature:0x%.8x, command:0x%.8x, " + "event:0x%.8x, perf_level:0x%.8x.\n", ist_info.signature, ist_info.command, ist_info.event, ist_info.perf_level); diff --git a/drivers/cpuidle/governors/menu.c b/drivers/cpuidle/governors/menu.c index ae5a42595e1c..34db2fb3ef1e 100644 --- a/drivers/cpuidle/governors/menu.c +++ b/drivers/cpuidle/governors/menu.c @@ -31,7 +31,8 @@ * The default values do not overflow. */ #define BUCKETS 12 -#define INTERVALS 8 +#define INTERVAL_SHIFT 3 +#define INTERVALS (1UL << INTERVAL_SHIFT) #define RESOLUTION 1024 #define DECAY 8 #define MAX_INTERESTING 50000 @@ -133,15 +134,12 @@ struct menu_device { #define LOAD_INT(x) ((x) >> FSHIFT) #define LOAD_FRAC(x) LOAD_INT(((x) & (FIXED_1-1)) * 100) -static int get_loadavg(void) +static inline int get_loadavg(unsigned long load) { - unsigned long this = this_cpu_load(); - - - return LOAD_INT(this) * 10 + LOAD_FRAC(this) / 10; + return LOAD_INT(load) * 10 + LOAD_FRAC(load) / 10; } -static inline int which_bucket(unsigned int duration) +static inline int which_bucket(unsigned int duration, unsigned long nr_iowaiters) { int bucket = 0; @@ -151,7 +149,7 @@ static inline int which_bucket(unsigned int duration) * This allows us to calculate * E(duration)|iowait */ - if (nr_iowait_cpu(smp_processor_id())) + if (nr_iowaiters) bucket = BUCKETS/2; if (duration < 10) @@ -174,16 +172,16 @@ static inline int which_bucket(unsigned int duration) * to be, the higher this multiplier, and thus the higher * the barrier to go to an expensive C state. */ -static inline int performance_multiplier(void) +static inline int performance_multiplier(unsigned long nr_iowaiters, unsigned long load) { int mult = 1; /* for higher loadavg, we are more reluctant */ - mult += 2 * get_loadavg(); + mult += 2 * get_loadavg(load); /* for IO wait tasks (per cpu!) we add 5x each */ - mult += 10 * nr_iowait_cpu(smp_processor_id()); + mult += 10 * nr_iowaiters; return mult; } @@ -227,7 +225,10 @@ again: max = value; } } - do_div(avg, divisor); + if (divisor == INTERVALS) + avg >>= INTERVAL_SHIFT; + else + do_div(avg, divisor); /* Then try to determine standard deviation */ stddev = 0; @@ -238,7 +239,11 @@ again: stddev += diff * diff; } } - do_div(stddev, divisor); + if (divisor == INTERVALS) + stddev >>= INTERVAL_SHIFT; + else + do_div(stddev, divisor); + /* * The typical interval is obtained when standard deviation is small * or standard deviation is small compared to the average interval. @@ -288,7 +293,7 @@ static int menu_select(struct cpuidle_driver *drv, struct cpuidle_device *dev) int latency_req = pm_qos_request(PM_QOS_CPU_DMA_LATENCY); int i; unsigned int interactivity_req; - struct timespec t; + unsigned long nr_iowaiters, cpu_load; if (data->needs_update) { menu_update(drv, dev); @@ -302,12 +307,10 @@ static int menu_select(struct cpuidle_driver *drv, struct cpuidle_device *dev) return 0; /* determine the expected residency time, round up */ - t = ktime_to_timespec(tick_nohz_get_sleep_length()); - data->next_timer_us = - t.tv_sec * USEC_PER_SEC + t.tv_nsec / NSEC_PER_USEC; - + data->next_timer_us = ktime_to_us(tick_nohz_get_sleep_length()); - data->bucket = which_bucket(data->next_timer_us); + get_iowait_load(&nr_iowaiters, &cpu_load); + data->bucket = which_bucket(data->next_timer_us, nr_iowaiters); /* * Force the result of multiplication to be 64 bits even if both @@ -325,7 +328,7 @@ static int menu_select(struct cpuidle_driver *drv, struct cpuidle_device *dev) * duration / latency ratio. Adjust the latency limit if * necessary. */ - interactivity_req = data->predicted_us / performance_multiplier(); + interactivity_req = data->predicted_us / performance_multiplier(nr_iowaiters, cpu_load); if (latency_req > interactivity_req) latency_req = interactivity_req; diff --git a/drivers/crypto/ccp/ccp-pci.c b/drivers/crypto/ccp/ccp-pci.c index 180cc87b4dbb..7f89c946adfe 100644 --- a/drivers/crypto/ccp/ccp-pci.c +++ b/drivers/crypto/ccp/ccp-pci.c @@ -320,7 +320,7 @@ static int ccp_pci_resume(struct pci_dev *pdev) } #endif -static DEFINE_PCI_DEVICE_TABLE(ccp_pci_table) = { +static const struct pci_device_id ccp_pci_table[] = { { PCI_VDEVICE(AMD, 0x1537), }, /* Last entry must be zero */ { 0, } diff --git a/drivers/crypto/nx/nx-842.c b/drivers/crypto/nx/nx-842.c index 544f6d327ede..061407d59520 100644 --- a/drivers/crypto/nx/nx-842.c +++ b/drivers/crypto/nx/nx-842.c @@ -936,28 +936,14 @@ static int nx842_OF_upd(struct property *new_prop) goto error_out; } - /* Set ptr to new property if provided */ - if (new_prop) { - /* Single property */ - if (!strncmp(new_prop->name, "status", new_prop->length)) { - status = new_prop; - - } else if (!strncmp(new_prop->name, "ibm,max-sg-len", - new_prop->length)) { - maxsglen = new_prop; - - } else if (!strncmp(new_prop->name, "ibm,max-sync-cop", - new_prop->length)) { - maxsyncop = new_prop; - - } else { - /* - * Skip the update, the property being updated - * has no impact. - */ - goto out; - } - } + /* + * If this is a property update, there are only certain properties that + * we care about. Bail if it isn't in the below list + */ + if (new_prop && (strncmp(new_prop->name, "status", new_prop->length) || + strncmp(new_prop->name, "ibm,max-sg-len", new_prop->length) || + strncmp(new_prop->name, "ibm,max-sync-cop", new_prop->length))) + goto out; /* Perform property updates */ ret = nx842_OF_upd_status(new_devdata, status); diff --git a/drivers/dma/Kconfig b/drivers/dma/Kconfig index 8f6afbf9ba54..9b1ea0ef59af 100644 --- a/drivers/dma/Kconfig +++ b/drivers/dma/Kconfig @@ -393,6 +393,22 @@ config XILINX_VDMA channels, Memory Mapped to Stream (MM2S) and Stream to Memory Mapped (S2MM) for the data transfers. +config DMA_SUN6I + tristate "Allwinner A31 SoCs DMA support" + depends on MACH_SUN6I || COMPILE_TEST + depends on RESET_CONTROLLER + select DMA_ENGINE + select DMA_VIRTUAL_CHANNELS + help + Support for the DMA engine for Allwinner A31 SoCs. + +config NBPFAXI_DMA + tristate "Renesas Type-AXI NBPF DMA support" + select DMA_ENGINE + depends on ARM || COMPILE_TEST + help + Support for "Type-AXI" NBPF DMA IPs from Renesas + config DMA_ENGINE bool @@ -406,6 +422,7 @@ config DMA_ACPI config DMA_OF def_bool y depends on OF + select DMA_ENGINE comment "DMA Clients" depends on DMA_ENGINE diff --git a/drivers/dma/Makefile b/drivers/dma/Makefile index bd9e7fa928bd..c6adb925f0b9 100644 --- a/drivers/dma/Makefile +++ b/drivers/dma/Makefile @@ -1,5 +1,5 @@ -ccflags-$(CONFIG_DMADEVICES_DEBUG) := -DDEBUG -ccflags-$(CONFIG_DMADEVICES_VDEBUG) += -DVERBOSE_DEBUG +subdir-ccflags-$(CONFIG_DMADEVICES_DEBUG) := -DDEBUG +subdir-ccflags-$(CONFIG_DMADEVICES_VDEBUG) += -DVERBOSE_DEBUG obj-$(CONFIG_DMA_ENGINE) += dmaengine.o obj-$(CONFIG_DMA_VIRTUAL_CHANNELS) += virt-dma.o @@ -48,3 +48,5 @@ obj-$(CONFIG_FSL_EDMA) += fsl-edma.o obj-$(CONFIG_QCOM_BAM_DMA) += qcom_bam_dma.o obj-y += xilinx/ obj-$(CONFIG_INTEL_MIC_X100_DMA) += mic_x100_dma.o +obj-$(CONFIG_NBPFAXI_DMA) += nbpfaxi.o +obj-$(CONFIG_DMA_SUN6I) += sun6i-dma.o diff --git a/drivers/dma/TODO b/drivers/dma/TODO index 734ed0206cd5..b8045cd42ee1 100644 --- a/drivers/dma/TODO +++ b/drivers/dma/TODO @@ -7,7 +7,6 @@ TODO for slave dma - imx-dma - imx-sdma - mxs-dma.c - - dw_dmac - intel_mid_dma 4. Check other subsystems for dma drivers and merge/move to dmaengine 5. Remove dma_slave_config's dma direction. diff --git a/drivers/dma/amba-pl08x.c b/drivers/dma/amba-pl08x.c index 8114731a1c62..e34024b000a4 100644 --- a/drivers/dma/amba-pl08x.c +++ b/drivers/dma/amba-pl08x.c @@ -1040,7 +1040,7 @@ static int pl08x_fill_llis_for_desc(struct pl08x_driver_data *pl08x, if (early_bytes) { dev_vdbg(&pl08x->adev->dev, - "%s byte width LLIs (remain 0x%08x)\n", + "%s byte width LLIs (remain 0x%08zx)\n", __func__, bd.remainder); prep_byte_width_lli(pl08x, &bd, &cctl, early_bytes, num_llis++, &total_bytes); @@ -1653,7 +1653,7 @@ static struct dma_async_tx_descriptor *pl08x_prep_slave_sg( static struct dma_async_tx_descriptor *pl08x_prep_dma_cyclic( struct dma_chan *chan, dma_addr_t buf_addr, size_t buf_len, size_t period_len, enum dma_transfer_direction direction, - unsigned long flags, void *context) + unsigned long flags) { struct pl08x_dma_chan *plchan = to_pl08x_chan(chan); struct pl08x_driver_data *pl08x = plchan->host; @@ -1662,7 +1662,7 @@ static struct dma_async_tx_descriptor *pl08x_prep_dma_cyclic( dma_addr_t slave_addr; dev_dbg(&pl08x->adev->dev, - "%s prepare cyclic transaction of %d/%d bytes %s %s\n", + "%s prepare cyclic transaction of %zd/%zd bytes %s %s\n", __func__, period_len, buf_len, direction == DMA_MEM_TO_DEV ? "to" : "from", plchan->name); diff --git a/drivers/dma/at_hdmac.c b/drivers/dma/at_hdmac.c index c13a3bb0f594..ca9dd2613283 100644 --- a/drivers/dma/at_hdmac.c +++ b/drivers/dma/at_hdmac.c @@ -294,14 +294,16 @@ static int atc_get_bytes_left(struct dma_chan *chan) ret = -EINVAL; goto out; } - atchan->remain_desc -= (desc_cur->lli.ctrla & ATC_BTSIZE_MAX) - << (desc_first->tx_width); - if (atchan->remain_desc < 0) { + + count = (desc_cur->lli.ctrla & ATC_BTSIZE_MAX) + << desc_first->tx_width; + if (atchan->remain_desc < count) { ret = -EINVAL; goto out; - } else { - ret = atchan->remain_desc; } + + atchan->remain_desc -= count; + ret = atchan->remain_desc; } else { /* * Get residual bytes when current @@ -893,12 +895,11 @@ atc_dma_cyclic_fill_desc(struct dma_chan *chan, struct at_desc *desc, * @period_len: number of bytes for each period * @direction: transfer direction, to or from device * @flags: tx descriptor status flags - * @context: transfer context (ignored) */ static struct dma_async_tx_descriptor * atc_prep_dma_cyclic(struct dma_chan *chan, dma_addr_t buf_addr, size_t buf_len, size_t period_len, enum dma_transfer_direction direction, - unsigned long flags, void *context) + unsigned long flags) { struct at_dma_chan *atchan = to_at_dma_chan(chan); struct at_dma_slave *atslave = chan->private; diff --git a/drivers/dma/bcm2835-dma.c b/drivers/dma/bcm2835-dma.c index a03602164e3e..68007974961a 100644 --- a/drivers/dma/bcm2835-dma.c +++ b/drivers/dma/bcm2835-dma.c @@ -335,7 +335,7 @@ static void bcm2835_dma_issue_pending(struct dma_chan *chan) static struct dma_async_tx_descriptor *bcm2835_dma_prep_dma_cyclic( struct dma_chan *chan, dma_addr_t buf_addr, size_t buf_len, size_t period_len, enum dma_transfer_direction direction, - unsigned long flags, void *context) + unsigned long flags) { struct bcm2835_chan *c = to_bcm2835_dma_chan(chan); enum dma_slave_buswidth dev_width; diff --git a/drivers/dma/dma-jz4740.c b/drivers/dma/dma-jz4740.c index 94c380f07538..6a9d89c93b1f 100644 --- a/drivers/dma/dma-jz4740.c +++ b/drivers/dma/dma-jz4740.c @@ -433,7 +433,7 @@ static struct dma_async_tx_descriptor *jz4740_dma_prep_slave_sg( static struct dma_async_tx_descriptor *jz4740_dma_prep_dma_cyclic( struct dma_chan *c, dma_addr_t buf_addr, size_t buf_len, size_t period_len, enum dma_transfer_direction direction, - unsigned long flags, void *context) + unsigned long flags) { struct jz4740_dmaengine_chan *chan = to_jz4740_dma_chan(c); struct jz4740_dma_desc *desc; @@ -614,4 +614,4 @@ module_platform_driver(jz4740_dma_driver); MODULE_AUTHOR("Lars-Peter Clausen <lars@metafoo.de>"); MODULE_DESCRIPTION("JZ4740 DMA driver"); -MODULE_LICENSE("GPLv2"); +MODULE_LICENSE("GPL v2"); diff --git a/drivers/dma/dw/core.c b/drivers/dma/dw/core.c index a27ded53ab4f..1af731b83b3f 100644 --- a/drivers/dma/dw/core.c +++ b/drivers/dma/dw/core.c @@ -279,6 +279,19 @@ static void dwc_dostart(struct dw_dma_chan *dwc, struct dw_desc *first) channel_set_bit(dw, CH_EN, dwc->mask); } +static void dwc_dostart_first_queued(struct dw_dma_chan *dwc) +{ + struct dw_desc *desc; + + if (list_empty(&dwc->queue)) + return; + + list_move(dwc->queue.next, &dwc->active_list); + desc = dwc_first_active(dwc); + dev_vdbg(chan2dev(&dwc->chan), "%s: started %u\n", __func__, desc->txd.cookie); + dwc_dostart(dwc, desc); +} + /*----------------------------------------------------------------------*/ static void @@ -335,10 +348,7 @@ static void dwc_complete_all(struct dw_dma *dw, struct dw_dma_chan *dwc) * the completed ones. */ list_splice_init(&dwc->active_list, &list); - if (!list_empty(&dwc->queue)) { - list_move(dwc->queue.next, &dwc->active_list); - dwc_dostart(dwc, dwc_first_active(dwc)); - } + dwc_dostart_first_queued(dwc); spin_unlock_irqrestore(&dwc->lock, flags); @@ -467,10 +477,7 @@ static void dwc_scan_descriptors(struct dw_dma *dw, struct dw_dma_chan *dwc) /* Try to continue after resetting the channel... */ dwc_chan_disable(dw, dwc); - if (!list_empty(&dwc->queue)) { - list_move(dwc->queue.next, &dwc->active_list); - dwc_dostart(dwc, dwc_first_active(dwc)); - } + dwc_dostart_first_queued(dwc); spin_unlock_irqrestore(&dwc->lock, flags); } @@ -677,17 +684,9 @@ static dma_cookie_t dwc_tx_submit(struct dma_async_tx_descriptor *tx) * possible, perhaps even appending to those already submitted * for DMA. But this is hard to do in a race-free manner. */ - if (list_empty(&dwc->active_list)) { - dev_vdbg(chan2dev(tx->chan), "%s: started %u\n", __func__, - desc->txd.cookie); - list_add_tail(&desc->desc_node, &dwc->active_list); - dwc_dostart(dwc, dwc_first_active(dwc)); - } else { - dev_vdbg(chan2dev(tx->chan), "%s: queued %u\n", __func__, - desc->txd.cookie); - list_add_tail(&desc->desc_node, &dwc->queue); - } + dev_vdbg(chan2dev(tx->chan), "%s: queued %u\n", __func__, desc->txd.cookie); + list_add_tail(&desc->desc_node, &dwc->queue); spin_unlock_irqrestore(&dwc->lock, flags); @@ -1092,9 +1091,12 @@ dwc_tx_status(struct dma_chan *chan, static void dwc_issue_pending(struct dma_chan *chan) { struct dw_dma_chan *dwc = to_dw_dma_chan(chan); + unsigned long flags; - if (!list_empty(&dwc->queue)) - dwc_scan_descriptors(to_dw_dma(chan->device), dwc); + spin_lock_irqsave(&dwc->lock, flags); + if (list_empty(&dwc->active_list)) + dwc_dostart_first_queued(dwc); + spin_unlock_irqrestore(&dwc->lock, flags); } static int dwc_alloc_chan_resources(struct dma_chan *chan) diff --git a/drivers/dma/edma.c b/drivers/dma/edma.c index b512caf46944..7b65633f495e 100644 --- a/drivers/dma/edma.c +++ b/drivers/dma/edma.c @@ -23,6 +23,7 @@ #include <linux/platform_device.h> #include <linux/slab.h> #include <linux/spinlock.h> +#include <linux/of.h> #include <linux/platform_data/edma.h> @@ -256,8 +257,13 @@ static int edma_terminate_all(struct edma_chan *echan) * echan->edesc is NULL and exit.) */ if (echan->edesc) { + int cyclic = echan->edesc->cyclic; echan->edesc = NULL; edma_stop(echan->ch_num); + /* Move the cyclic channel back to default queue */ + if (cyclic) + edma_assign_channel_eventq(echan->ch_num, + EVENTQ_DEFAULT); } vchan_get_all_descriptors(&echan->vchan, &head); @@ -592,7 +598,7 @@ struct dma_async_tx_descriptor *edma_prep_dma_memcpy( static struct dma_async_tx_descriptor *edma_prep_dma_cyclic( struct dma_chan *chan, dma_addr_t buf_addr, size_t buf_len, size_t period_len, enum dma_transfer_direction direction, - unsigned long tx_flags, void *context) + unsigned long tx_flags) { struct edma_chan *echan = to_edma_chan(chan); struct device *dev = chan->device->dev; @@ -718,12 +724,15 @@ static struct dma_async_tx_descriptor *edma_prep_dma_cyclic( edesc->absync = ret; /* - * Enable interrupts for every period because callback - * has to be called for every period. + * Enable period interrupt only if it is requested */ - edesc->pset[i].param.opt |= TCINTEN; + if (tx_flags & DMA_PREP_INTERRUPT) + edesc->pset[i].param.opt |= TCINTEN; } + /* Place the cyclic channel to highest priority queue */ + edma_assign_channel_eventq(echan->ch_num, EVENTQ_0); + return vchan_tx_prep(&echan->vchan, &edesc->vdesc, tx_flags); } @@ -993,7 +1002,7 @@ static int edma_dma_device_slave_caps(struct dma_chan *dchan, caps->directions = BIT(DMA_DEV_TO_MEM) | BIT(DMA_MEM_TO_DEV); caps->cmd_pause = true; caps->cmd_terminate = true; - caps->residue_granularity = DMA_RESIDUE_GRANULARITY_DESCRIPTOR; + caps->residue_granularity = DMA_RESIDUE_GRANULARITY_BURST; return 0; } @@ -1040,7 +1049,7 @@ static int edma_probe(struct platform_device *pdev) ecc->dummy_slot = edma_alloc_slot(ecc->ctlr, EDMA_SLOT_ANY); if (ecc->dummy_slot < 0) { dev_err(&pdev->dev, "Can't allocate PaRAM dummy slot\n"); - return -EIO; + return ecc->dummy_slot; } dma_cap_zero(ecc->dma_slave.cap_mask); @@ -1125,7 +1134,7 @@ static int edma_init(void) } } - if (EDMA_CTLRS == 2) { + if (!of_have_populated_dt() && EDMA_CTLRS == 2) { pdev1 = platform_device_register_full(&edma_dev_info1); if (IS_ERR(pdev1)) { platform_driver_unregister(&edma_driver); diff --git a/drivers/dma/ep93xx_dma.c b/drivers/dma/ep93xx_dma.c index cb4bf682a708..7650470196c4 100644 --- a/drivers/dma/ep93xx_dma.c +++ b/drivers/dma/ep93xx_dma.c @@ -1092,7 +1092,6 @@ fail: * @period_len: length of a single period * @dir: direction of the operation * @flags: tx descriptor status flags - * @context: operation context (ignored) * * Prepares a descriptor for cyclic DMA operation. This means that once the * descriptor is submitted, we will be submitting in a @period_len sized @@ -1105,8 +1104,7 @@ fail: static struct dma_async_tx_descriptor * ep93xx_dma_prep_dma_cyclic(struct dma_chan *chan, dma_addr_t dma_addr, size_t buf_len, size_t period_len, - enum dma_transfer_direction dir, unsigned long flags, - void *context) + enum dma_transfer_direction dir, unsigned long flags) { struct ep93xx_dma_chan *edmac = to_ep93xx_dma_chan(chan); struct ep93xx_dma_desc *desc, *first; diff --git a/drivers/dma/fsl-edma.c b/drivers/dma/fsl-edma.c index b396a7fb53ab..3c5711d5fe97 100644 --- a/drivers/dma/fsl-edma.c +++ b/drivers/dma/fsl-edma.c @@ -248,11 +248,12 @@ static void fsl_edma_chan_mux(struct fsl_edma_chan *fsl_chan, unsigned int slot, bool enable) { u32 ch = fsl_chan->vchan.chan.chan_id; - void __iomem *muxaddr = fsl_chan->edma->muxbase[ch / DMAMUX_NR]; + void __iomem *muxaddr; unsigned chans_per_mux, ch_off; chans_per_mux = fsl_chan->edma->n_chans / DMAMUX_NR; ch_off = fsl_chan->vchan.chan.chan_id % chans_per_mux; + muxaddr = fsl_chan->edma->muxbase[ch / chans_per_mux]; if (enable) edma_writeb(fsl_chan->edma, @@ -516,7 +517,7 @@ err: static struct dma_async_tx_descriptor *fsl_edma_prep_dma_cyclic( struct dma_chan *chan, dma_addr_t dma_addr, size_t buf_len, size_t period_len, enum dma_transfer_direction direction, - unsigned long flags, void *context) + unsigned long flags) { struct fsl_edma_chan *fsl_chan = to_fsl_edma_chan(chan); struct fsl_edma_desc *fsl_desc; @@ -724,6 +725,7 @@ static struct dma_chan *fsl_edma_xlate(struct of_phandle_args *dma_spec, { struct fsl_edma_engine *fsl_edma = ofdma->of_dma_data; struct dma_chan *chan, *_chan; + unsigned long chans_per_mux = fsl_edma->n_chans / DMAMUX_NR; if (dma_spec->args_count != 2) return NULL; @@ -732,7 +734,7 @@ static struct dma_chan *fsl_edma_xlate(struct of_phandle_args *dma_spec, list_for_each_entry_safe(chan, _chan, &fsl_edma->dma_dev.channels, device_node) { if (chan->client_count) continue; - if ((chan->chan_id / DMAMUX_NR) == dma_spec->args[0]) { + if ((chan->chan_id / chans_per_mux) == dma_spec->args[0]) { chan = dma_get_slave_channel(chan); if (chan) { chan->device->privatecnt++; diff --git a/drivers/dma/fsldma.c b/drivers/dma/fsldma.c index e0fec68aed25..d5d6885ab341 100644 --- a/drivers/dma/fsldma.c +++ b/drivers/dma/fsldma.c @@ -396,10 +396,17 @@ static dma_cookie_t fsl_dma_tx_submit(struct dma_async_tx_descriptor *tx) struct fsldma_chan *chan = to_fsl_chan(tx->chan); struct fsl_desc_sw *desc = tx_to_fsl_desc(tx); struct fsl_desc_sw *child; - unsigned long flags; dma_cookie_t cookie = -EINVAL; - spin_lock_irqsave(&chan->desc_lock, flags); + spin_lock_bh(&chan->desc_lock); + +#ifdef CONFIG_PM + if (unlikely(chan->pm_state != RUNNING)) { + chan_dbg(chan, "cannot submit due to suspend\n"); + spin_unlock_bh(&chan->desc_lock); + return -1; + } +#endif /* * assign cookies to all of the software descriptors @@ -412,7 +419,7 @@ static dma_cookie_t fsl_dma_tx_submit(struct dma_async_tx_descriptor *tx) /* put this transaction onto the tail of the pending queue */ append_ld_queue(chan, desc); - spin_unlock_irqrestore(&chan->desc_lock, flags); + spin_unlock_bh(&chan->desc_lock); return cookie; } @@ -459,6 +466,88 @@ static struct fsl_desc_sw *fsl_dma_alloc_descriptor(struct fsldma_chan *chan) } /** + * fsldma_clean_completed_descriptor - free all descriptors which + * has been completed and acked + * @chan: Freescale DMA channel + * + * This function is used on all completed and acked descriptors. + * All descriptors should only be freed in this function. + */ +static void fsldma_clean_completed_descriptor(struct fsldma_chan *chan) +{ + struct fsl_desc_sw *desc, *_desc; + + /* Run the callback for each descriptor, in order */ + list_for_each_entry_safe(desc, _desc, &chan->ld_completed, node) + if (async_tx_test_ack(&desc->async_tx)) + fsl_dma_free_descriptor(chan, desc); +} + +/** + * fsldma_run_tx_complete_actions - cleanup a single link descriptor + * @chan: Freescale DMA channel + * @desc: descriptor to cleanup and free + * @cookie: Freescale DMA transaction identifier + * + * This function is used on a descriptor which has been executed by the DMA + * controller. It will run any callbacks, submit any dependencies. + */ +static dma_cookie_t fsldma_run_tx_complete_actions(struct fsldma_chan *chan, + struct fsl_desc_sw *desc, dma_cookie_t cookie) +{ + struct dma_async_tx_descriptor *txd = &desc->async_tx; + dma_cookie_t ret = cookie; + + BUG_ON(txd->cookie < 0); + + if (txd->cookie > 0) { + ret = txd->cookie; + + /* Run the link descriptor callback function */ + if (txd->callback) { + chan_dbg(chan, "LD %p callback\n", desc); + txd->callback(txd->callback_param); + } + } + + /* Run any dependencies */ + dma_run_dependencies(txd); + + return ret; +} + +/** + * fsldma_clean_running_descriptor - move the completed descriptor from + * ld_running to ld_completed + * @chan: Freescale DMA channel + * @desc: the descriptor which is completed + * + * Free the descriptor directly if acked by async_tx api, or move it to + * queue ld_completed. + */ +static void fsldma_clean_running_descriptor(struct fsldma_chan *chan, + struct fsl_desc_sw *desc) +{ + /* Remove from the list of transactions */ + list_del(&desc->node); + + /* + * the client is allowed to attach dependent operations + * until 'ack' is set + */ + if (!async_tx_test_ack(&desc->async_tx)) { + /* + * Move this descriptor to the list of descriptors which is + * completed, but still awaiting the 'ack' bit to be set. + */ + list_add_tail(&desc->node, &chan->ld_completed); + return; + } + + dma_pool_free(chan->desc_pool, desc, desc->async_tx.phys); +} + +/** * fsl_chan_xfer_ld_queue - transfer any pending transactions * @chan : Freescale DMA channel * @@ -526,31 +615,58 @@ static void fsl_chan_xfer_ld_queue(struct fsldma_chan *chan) } /** - * fsldma_cleanup_descriptor - cleanup and free a single link descriptor + * fsldma_cleanup_descriptors - cleanup link descriptors which are completed + * and move them to ld_completed to free until flag 'ack' is set * @chan: Freescale DMA channel - * @desc: descriptor to cleanup and free * - * This function is used on a descriptor which has been executed by the DMA - * controller. It will run any callbacks, submit any dependencies, and then - * free the descriptor. + * This function is used on descriptors which have been executed by the DMA + * controller. It will run any callbacks, submit any dependencies, then + * free these descriptors if flag 'ack' is set. */ -static void fsldma_cleanup_descriptor(struct fsldma_chan *chan, - struct fsl_desc_sw *desc) +static void fsldma_cleanup_descriptors(struct fsldma_chan *chan) { - struct dma_async_tx_descriptor *txd = &desc->async_tx; + struct fsl_desc_sw *desc, *_desc; + dma_cookie_t cookie = 0; + dma_addr_t curr_phys = get_cdar(chan); + int seen_current = 0; + + fsldma_clean_completed_descriptor(chan); + + /* Run the callback for each descriptor, in order */ + list_for_each_entry_safe(desc, _desc, &chan->ld_running, node) { + /* + * do not advance past the current descriptor loaded into the + * hardware channel, subsequent descriptors are either in + * process or have not been submitted + */ + if (seen_current) + break; + + /* + * stop the search if we reach the current descriptor and the + * channel is busy + */ + if (desc->async_tx.phys == curr_phys) { + seen_current = 1; + if (!dma_is_idle(chan)) + break; + } + + cookie = fsldma_run_tx_complete_actions(chan, desc, cookie); - /* Run the link descriptor callback function */ - if (txd->callback) { - chan_dbg(chan, "LD %p callback\n", desc); - txd->callback(txd->callback_param); + fsldma_clean_running_descriptor(chan, desc); } - /* Run any dependencies */ - dma_run_dependencies(txd); + /* + * Start any pending transactions automatically + * + * In the ideal case, we keep the DMA controller busy while we go + * ahead and free the descriptors below. + */ + fsl_chan_xfer_ld_queue(chan); - dma_descriptor_unmap(txd); - chan_dbg(chan, "LD %p free\n", desc); - dma_pool_free(chan->desc_pool, desc, txd->phys); + if (cookie > 0) + chan->common.completed_cookie = cookie; } /** @@ -617,13 +733,14 @@ static void fsldma_free_desc_list_reverse(struct fsldma_chan *chan, static void fsl_dma_free_chan_resources(struct dma_chan *dchan) { struct fsldma_chan *chan = to_fsl_chan(dchan); - unsigned long flags; chan_dbg(chan, "free all channel resources\n"); - spin_lock_irqsave(&chan->desc_lock, flags); + spin_lock_bh(&chan->desc_lock); + fsldma_cleanup_descriptors(chan); fsldma_free_desc_list(chan, &chan->ld_pending); fsldma_free_desc_list(chan, &chan->ld_running); - spin_unlock_irqrestore(&chan->desc_lock, flags); + fsldma_free_desc_list(chan, &chan->ld_completed); + spin_unlock_bh(&chan->desc_lock); dma_pool_destroy(chan->desc_pool); chan->desc_pool = NULL; @@ -842,7 +959,6 @@ static int fsl_dma_device_control(struct dma_chan *dchan, { struct dma_slave_config *config; struct fsldma_chan *chan; - unsigned long flags; int size; if (!dchan) @@ -852,7 +968,7 @@ static int fsl_dma_device_control(struct dma_chan *dchan, switch (cmd) { case DMA_TERMINATE_ALL: - spin_lock_irqsave(&chan->desc_lock, flags); + spin_lock_bh(&chan->desc_lock); /* Halt the DMA engine */ dma_halt(chan); @@ -860,9 +976,10 @@ static int fsl_dma_device_control(struct dma_chan *dchan, /* Remove and free all of the descriptors in the LD queue */ fsldma_free_desc_list(chan, &chan->ld_pending); fsldma_free_desc_list(chan, &chan->ld_running); + fsldma_free_desc_list(chan, &chan->ld_completed); chan->idle = true; - spin_unlock_irqrestore(&chan->desc_lock, flags); + spin_unlock_bh(&chan->desc_lock); return 0; case DMA_SLAVE_CONFIG: @@ -904,11 +1021,10 @@ static int fsl_dma_device_control(struct dma_chan *dchan, static void fsl_dma_memcpy_issue_pending(struct dma_chan *dchan) { struct fsldma_chan *chan = to_fsl_chan(dchan); - unsigned long flags; - spin_lock_irqsave(&chan->desc_lock, flags); + spin_lock_bh(&chan->desc_lock); fsl_chan_xfer_ld_queue(chan); - spin_unlock_irqrestore(&chan->desc_lock, flags); + spin_unlock_bh(&chan->desc_lock); } /** @@ -919,6 +1035,17 @@ static enum dma_status fsl_tx_status(struct dma_chan *dchan, dma_cookie_t cookie, struct dma_tx_state *txstate) { + struct fsldma_chan *chan = to_fsl_chan(dchan); + enum dma_status ret; + + ret = dma_cookie_status(dchan, cookie, txstate); + if (ret == DMA_COMPLETE) + return ret; + + spin_lock_bh(&chan->desc_lock); + fsldma_cleanup_descriptors(chan); + spin_unlock_bh(&chan->desc_lock); + return dma_cookie_status(dchan, cookie, txstate); } @@ -996,52 +1123,18 @@ static irqreturn_t fsldma_chan_irq(int irq, void *data) static void dma_do_tasklet(unsigned long data) { struct fsldma_chan *chan = (struct fsldma_chan *)data; - struct fsl_desc_sw *desc, *_desc; - LIST_HEAD(ld_cleanup); - unsigned long flags; chan_dbg(chan, "tasklet entry\n"); - spin_lock_irqsave(&chan->desc_lock, flags); - - /* update the cookie if we have some descriptors to cleanup */ - if (!list_empty(&chan->ld_running)) { - dma_cookie_t cookie; - - desc = to_fsl_desc(chan->ld_running.prev); - cookie = desc->async_tx.cookie; - dma_cookie_complete(&desc->async_tx); - - chan_dbg(chan, "completed_cookie=%d\n", cookie); - } - - /* - * move the descriptors to a temporary list so we can drop the lock - * during the entire cleanup operation - */ - list_splice_tail_init(&chan->ld_running, &ld_cleanup); + spin_lock_bh(&chan->desc_lock); /* the hardware is now idle and ready for more */ chan->idle = true; - /* - * Start any pending transactions automatically - * - * In the ideal case, we keep the DMA controller busy while we go - * ahead and free the descriptors below. - */ - fsl_chan_xfer_ld_queue(chan); - spin_unlock_irqrestore(&chan->desc_lock, flags); - - /* Run the callback for each descriptor, in order */ - list_for_each_entry_safe(desc, _desc, &ld_cleanup, node) { - - /* Remove from the list of transactions */ - list_del(&desc->node); + /* Run all cleanup for descriptors which have been completed */ + fsldma_cleanup_descriptors(chan); - /* Run all cleanup for this descriptor */ - fsldma_cleanup_descriptor(chan, desc); - } + spin_unlock_bh(&chan->desc_lock); chan_dbg(chan, "tasklet exit\n"); } @@ -1225,7 +1318,11 @@ static int fsl_dma_chan_probe(struct fsldma_device *fdev, spin_lock_init(&chan->desc_lock); INIT_LIST_HEAD(&chan->ld_pending); INIT_LIST_HEAD(&chan->ld_running); + INIT_LIST_HEAD(&chan->ld_completed); chan->idle = true; +#ifdef CONFIG_PM + chan->pm_state = RUNNING; +#endif chan->common.device = &fdev->common; dma_cookie_init(&chan->common); @@ -1365,6 +1462,69 @@ static int fsldma_of_remove(struct platform_device *op) return 0; } +#ifdef CONFIG_PM +static int fsldma_suspend_late(struct device *dev) +{ + struct platform_device *pdev = to_platform_device(dev); + struct fsldma_device *fdev = platform_get_drvdata(pdev); + struct fsldma_chan *chan; + int i; + + for (i = 0; i < FSL_DMA_MAX_CHANS_PER_DEVICE; i++) { + chan = fdev->chan[i]; + if (!chan) + continue; + + spin_lock_bh(&chan->desc_lock); + if (unlikely(!chan->idle)) + goto out; + chan->regs_save.mr = get_mr(chan); + chan->pm_state = SUSPENDED; + spin_unlock_bh(&chan->desc_lock); + } + return 0; + +out: + for (; i >= 0; i--) { + chan = fdev->chan[i]; + if (!chan) + continue; + chan->pm_state = RUNNING; + spin_unlock_bh(&chan->desc_lock); + } + return -EBUSY; +} + +static int fsldma_resume_early(struct device *dev) +{ + struct platform_device *pdev = to_platform_device(dev); + struct fsldma_device *fdev = platform_get_drvdata(pdev); + struct fsldma_chan *chan; + u32 mode; + int i; + + for (i = 0; i < FSL_DMA_MAX_CHANS_PER_DEVICE; i++) { + chan = fdev->chan[i]; + if (!chan) + continue; + + spin_lock_bh(&chan->desc_lock); + mode = chan->regs_save.mr + & ~FSL_DMA_MR_CS & ~FSL_DMA_MR_CC & ~FSL_DMA_MR_CA; + set_mr(chan, mode); + chan->pm_state = RUNNING; + spin_unlock_bh(&chan->desc_lock); + } + + return 0; +} + +static const struct dev_pm_ops fsldma_pm_ops = { + .suspend_late = fsldma_suspend_late, + .resume_early = fsldma_resume_early, +}; +#endif + static const struct of_device_id fsldma_of_ids[] = { { .compatible = "fsl,elo3-dma", }, { .compatible = "fsl,eloplus-dma", }, @@ -1377,6 +1537,9 @@ static struct platform_driver fsldma_of_driver = { .name = "fsl-elo-dma", .owner = THIS_MODULE, .of_match_table = fsldma_of_ids, +#ifdef CONFIG_PM + .pm = &fsldma_pm_ops, +#endif }, .probe = fsldma_of_probe, .remove = fsldma_of_remove, diff --git a/drivers/dma/fsldma.h b/drivers/dma/fsldma.h index d56e83599825..239c20c84382 100644 --- a/drivers/dma/fsldma.h +++ b/drivers/dma/fsldma.h @@ -134,12 +134,36 @@ struct fsldma_device { #define FSL_DMA_CHAN_PAUSE_EXT 0x00001000 #define FSL_DMA_CHAN_START_EXT 0x00002000 +#ifdef CONFIG_PM +struct fsldma_chan_regs_save { + u32 mr; +}; + +enum fsldma_pm_state { + RUNNING = 0, + SUSPENDED, +}; +#endif + struct fsldma_chan { char name[8]; /* Channel name */ struct fsldma_chan_regs __iomem *regs; spinlock_t desc_lock; /* Descriptor operation lock */ - struct list_head ld_pending; /* Link descriptors queue */ - struct list_head ld_running; /* Link descriptors queue */ + /* + * Descriptors which are queued to run, but have not yet been + * submitted to the hardware for execution + */ + struct list_head ld_pending; + /* + * Descriptors which are currently being executed by the hardware + */ + struct list_head ld_running; + /* + * Descriptors which have finished execution by the hardware. These + * descriptors have already had their cleanup actions run. They are + * waiting for the ACK bit to be set by the async_tx API. + */ + struct list_head ld_completed; /* Link descriptors queue */ struct dma_chan common; /* DMA common channel */ struct dma_pool *desc_pool; /* Descriptors pool */ struct device *dev; /* Channel device */ @@ -148,6 +172,10 @@ struct fsldma_chan { struct tasklet_struct tasklet; u32 feature; bool idle; /* DMA controller is idle */ +#ifdef CONFIG_PM + struct fsldma_chan_regs_save regs_save; + enum fsldma_pm_state pm_state; +#endif void (*toggle_ext_pause)(struct fsldma_chan *fsl_chan, int enable); void (*toggle_ext_start)(struct fsldma_chan *fsl_chan, int enable); diff --git a/drivers/dma/imx-dma.c b/drivers/dma/imx-dma.c index 286660a12cc6..9d2c9e7374dc 100644 --- a/drivers/dma/imx-dma.c +++ b/drivers/dma/imx-dma.c @@ -866,7 +866,7 @@ static struct dma_async_tx_descriptor *imxdma_prep_slave_sg( static struct dma_async_tx_descriptor *imxdma_prep_dma_cyclic( struct dma_chan *chan, dma_addr_t dma_addr, size_t buf_len, size_t period_len, enum dma_transfer_direction direction, - unsigned long flags, void *context) + unsigned long flags) { struct imxdma_channel *imxdmac = to_imxdma_chan(chan); struct imxdma_engine *imxdma = imxdmac->imxdma; diff --git a/drivers/dma/imx-sdma.c b/drivers/dma/imx-sdma.c index 14867e3ac8ff..f7626e37d0b8 100644 --- a/drivers/dma/imx-sdma.c +++ b/drivers/dma/imx-sdma.c @@ -271,6 +271,7 @@ struct sdma_channel { unsigned int chn_count; unsigned int chn_real_count; struct tasklet_struct tasklet; + struct imx_dma_data data; }; #define IMX_DMA_SG_LOOP BIT(0) @@ -749,6 +750,11 @@ static void sdma_get_pc(struct sdma_channel *sdmac, emi_2_per = sdma->script_addrs->asrc_2_mcu_addr; per_2_per = sdma->script_addrs->per_2_per_addr; break; + case IMX_DMATYPE_ASRC_SP: + per_2_emi = sdma->script_addrs->shp_2_mcu_addr; + emi_2_per = sdma->script_addrs->mcu_2_shp_addr; + per_2_per = sdma->script_addrs->per_2_per_addr; + break; case IMX_DMATYPE_MSHC: per_2_emi = sdma->script_addrs->mshc_2_mcu_addr; emi_2_per = sdma->script_addrs->mcu_2_mshc_addr; @@ -911,14 +917,13 @@ static int sdma_request_channel(struct sdma_channel *sdmac) int channel = sdmac->channel; int ret = -EBUSY; - sdmac->bd = dma_alloc_coherent(NULL, PAGE_SIZE, &sdmac->bd_phys, GFP_KERNEL); + sdmac->bd = dma_zalloc_coherent(NULL, PAGE_SIZE, &sdmac->bd_phys, + GFP_KERNEL); if (!sdmac->bd) { ret = -ENOMEM; goto out; } - memset(sdmac->bd, 0, PAGE_SIZE); - sdma->channel_control[channel].base_bd_ptr = sdmac->bd_phys; sdma->channel_control[channel].current_bd_ptr = sdmac->bd_phys; @@ -1120,7 +1125,7 @@ err_out: static struct dma_async_tx_descriptor *sdma_prep_dma_cyclic( struct dma_chan *chan, dma_addr_t dma_addr, size_t buf_len, size_t period_len, enum dma_transfer_direction direction, - unsigned long flags, void *context) + unsigned long flags) { struct sdma_channel *sdmac = to_sdma_chan(chan); struct sdma_engine *sdma = sdmac->sdma; @@ -1414,12 +1419,14 @@ err_dma_alloc: static bool sdma_filter_fn(struct dma_chan *chan, void *fn_param) { + struct sdma_channel *sdmac = to_sdma_chan(chan); struct imx_dma_data *data = fn_param; if (!imx_dma_is_general_purpose(chan)) return false; - chan->private = data; + sdmac->data = *data; + chan->private = &sdmac->data; return true; } diff --git a/drivers/dma/ipu/ipu_idmac.c b/drivers/dma/ipu/ipu_idmac.c index 128ca143486d..bbf62927bd72 100644 --- a/drivers/dma/ipu/ipu_idmac.c +++ b/drivers/dma/ipu/ipu_idmac.c @@ -1532,11 +1532,17 @@ static int idmac_alloc_chan_resources(struct dma_chan *chan) #ifdef DEBUG if (chan->chan_id == IDMAC_IC_7) { ic_sof = ipu_irq_map(69); - if (ic_sof > 0) - request_irq(ic_sof, ic_sof_irq, 0, "IC SOF", ichan); + if (ic_sof > 0) { + ret = request_irq(ic_sof, ic_sof_irq, 0, "IC SOF", ichan); + if (ret) + dev_err(&chan->dev->device, "request irq failed for IC SOF"); + } ic_eof = ipu_irq_map(70); - if (ic_eof > 0) - request_irq(ic_eof, ic_eof_irq, 0, "IC EOF", ichan); + if (ic_eof > 0) { + ret = request_irq(ic_eof, ic_eof_irq, 0, "IC EOF", ichan); + if (ret) + dev_err(&chan->dev->device, "request irq failed for IC EOF"); + } } #endif diff --git a/drivers/dma/mmp_pdma.c b/drivers/dma/mmp_pdma.c index a7b186d536b3..a1a4db5721b8 100644 --- a/drivers/dma/mmp_pdma.c +++ b/drivers/dma/mmp_pdma.c @@ -601,7 +601,7 @@ static struct dma_async_tx_descriptor * mmp_pdma_prep_dma_cyclic(struct dma_chan *dchan, dma_addr_t buf_addr, size_t len, size_t period_len, enum dma_transfer_direction direction, - unsigned long flags, void *context) + unsigned long flags) { struct mmp_pdma_chan *chan; struct mmp_pdma_desc_sw *first = NULL, *prev = NULL, *new; diff --git a/drivers/dma/mmp_tdma.c b/drivers/dma/mmp_tdma.c index 724f7f4c9720..6ad30e2c5038 100644 --- a/drivers/dma/mmp_tdma.c +++ b/drivers/dma/mmp_tdma.c @@ -389,7 +389,7 @@ struct mmp_tdma_desc *mmp_tdma_alloc_descriptor(struct mmp_tdma_chan *tdmac) static struct dma_async_tx_descriptor *mmp_tdma_prep_dma_cyclic( struct dma_chan *chan, dma_addr_t dma_addr, size_t buf_len, size_t period_len, enum dma_transfer_direction direction, - unsigned long flags, void *context) + unsigned long flags) { struct mmp_tdma_chan *tdmac = to_mmp_tdma_chan(chan); struct mmp_tdma_desc *desc; diff --git a/drivers/dma/mpc512x_dma.c b/drivers/dma/mpc512x_dma.c index 2ad43738ac8b..881db2bcb48b 100644 --- a/drivers/dma/mpc512x_dma.c +++ b/drivers/dma/mpc512x_dma.c @@ -53,6 +53,7 @@ #include <linux/of_address.h> #include <linux/of_device.h> #include <linux/of_irq.h> +#include <linux/of_dma.h> #include <linux/of_platform.h> #include <linux/random.h> @@ -1036,7 +1037,15 @@ static int mpc_dma_probe(struct platform_device *op) if (retval) goto err_free2; - return retval; + /* Register with OF helpers for DMA lookups (nonfatal) */ + if (dev->of_node) { + retval = of_dma_controller_register(dev->of_node, + of_dma_xlate_by_chan_id, mdma); + if (retval) + dev_warn(dev, "Could not register for OF lookup\n"); + } + + return 0; err_free2: if (mdma->is_mpc8308) @@ -1057,6 +1066,8 @@ static int mpc_dma_remove(struct platform_device *op) struct device *dev = &op->dev; struct mpc_dma *mdma = dev_get_drvdata(dev); + if (dev->of_node) + of_dma_controller_free(dev->of_node); dma_async_device_unregister(&mdma->dma); if (mdma->is_mpc8308) { free_irq(mdma->irq2, mdma); diff --git a/drivers/dma/mxs-dma.c b/drivers/dma/mxs-dma.c index ead491346da7..5ea61201dbf0 100644 --- a/drivers/dma/mxs-dma.c +++ b/drivers/dma/mxs-dma.c @@ -413,16 +413,14 @@ static int mxs_dma_alloc_chan_resources(struct dma_chan *chan) struct mxs_dma_engine *mxs_dma = mxs_chan->mxs_dma; int ret; - mxs_chan->ccw = dma_alloc_coherent(mxs_dma->dma_device.dev, - CCW_BLOCK_SIZE, &mxs_chan->ccw_phys, - GFP_KERNEL); + mxs_chan->ccw = dma_zalloc_coherent(mxs_dma->dma_device.dev, + CCW_BLOCK_SIZE, + &mxs_chan->ccw_phys, GFP_KERNEL); if (!mxs_chan->ccw) { ret = -ENOMEM; goto err_alloc; } - memset(mxs_chan->ccw, 0, CCW_BLOCK_SIZE); - if (mxs_chan->chan_irq != NO_IRQ) { ret = request_irq(mxs_chan->chan_irq, mxs_dma_int_handler, 0, "mxs-dma", mxs_dma); @@ -591,7 +589,7 @@ err_out: static struct dma_async_tx_descriptor *mxs_dma_prep_dma_cyclic( struct dma_chan *chan, dma_addr_t dma_addr, size_t buf_len, size_t period_len, enum dma_transfer_direction direction, - unsigned long flags, void *context) + unsigned long flags) { struct mxs_dma_chan *mxs_chan = to_mxs_dma_chan(chan); struct mxs_dma_engine *mxs_dma = mxs_chan->mxs_dma; diff --git a/drivers/dma/nbpfaxi.c b/drivers/dma/nbpfaxi.c new file mode 100644 index 000000000000..5aeada56a442 --- /dev/null +++ b/drivers/dma/nbpfaxi.c @@ -0,0 +1,1517 @@ +/* + * Copyright (C) 2013-2014 Renesas Electronics Europe Ltd. + * Author: Guennadi Liakhovetski <g.liakhovetski@gmx.de> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of version 2 of the GNU General Public License as + * published by the Free Software Foundation. + */ + +#include <linux/bitmap.h> +#include <linux/bitops.h> +#include <linux/clk.h> +#include <linux/dma-mapping.h> +#include <linux/dmaengine.h> +#include <linux/err.h> +#include <linux/interrupt.h> +#include <linux/io.h> +#include <linux/log2.h> +#include <linux/module.h> +#include <linux/of.h> +#include <linux/of_device.h> +#include <linux/of_dma.h> +#include <linux/platform_device.h> +#include <linux/slab.h> + +#include <dt-bindings/dma/nbpfaxi.h> + +#include "dmaengine.h" + +#define NBPF_REG_CHAN_OFFSET 0 +#define NBPF_REG_CHAN_SIZE 0x40 + +/* Channel Current Transaction Byte register */ +#define NBPF_CHAN_CUR_TR_BYTE 0x20 + +/* Channel Status register */ +#define NBPF_CHAN_STAT 0x24 +#define NBPF_CHAN_STAT_EN 1 +#define NBPF_CHAN_STAT_TACT 4 +#define NBPF_CHAN_STAT_ERR 0x10 +#define NBPF_CHAN_STAT_END 0x20 +#define NBPF_CHAN_STAT_TC 0x40 +#define NBPF_CHAN_STAT_DER 0x400 + +/* Channel Control register */ +#define NBPF_CHAN_CTRL 0x28 +#define NBPF_CHAN_CTRL_SETEN 1 +#define NBPF_CHAN_CTRL_CLREN 2 +#define NBPF_CHAN_CTRL_STG 4 +#define NBPF_CHAN_CTRL_SWRST 8 +#define NBPF_CHAN_CTRL_CLRRQ 0x10 +#define NBPF_CHAN_CTRL_CLREND 0x20 +#define NBPF_CHAN_CTRL_CLRTC 0x40 +#define NBPF_CHAN_CTRL_SETSUS 0x100 +#define NBPF_CHAN_CTRL_CLRSUS 0x200 + +/* Channel Configuration register */ +#define NBPF_CHAN_CFG 0x2c +#define NBPF_CHAN_CFG_SEL 7 /* terminal SELect: 0..7 */ +#define NBPF_CHAN_CFG_REQD 8 /* REQuest Direction: DMAREQ is 0: input, 1: output */ +#define NBPF_CHAN_CFG_LOEN 0x10 /* LOw ENable: low DMA request line is: 0: inactive, 1: active */ +#define NBPF_CHAN_CFG_HIEN 0x20 /* HIgh ENable: high DMA request line is: 0: inactive, 1: active */ +#define NBPF_CHAN_CFG_LVL 0x40 /* LeVeL: DMA request line is sensed as 0: edge, 1: level */ +#define NBPF_CHAN_CFG_AM 0x700 /* ACK Mode: 0: Pulse mode, 1: Level mode, b'1x: Bus Cycle */ +#define NBPF_CHAN_CFG_SDS 0xf000 /* Source Data Size: 0: 8 bits,... , 7: 1024 bits */ +#define NBPF_CHAN_CFG_DDS 0xf0000 /* Destination Data Size: as above */ +#define NBPF_CHAN_CFG_SAD 0x100000 /* Source ADdress counting: 0: increment, 1: fixed */ +#define NBPF_CHAN_CFG_DAD 0x200000 /* Destination ADdress counting: 0: increment, 1: fixed */ +#define NBPF_CHAN_CFG_TM 0x400000 /* Transfer Mode: 0: single, 1: block TM */ +#define NBPF_CHAN_CFG_DEM 0x1000000 /* DMAEND interrupt Mask */ +#define NBPF_CHAN_CFG_TCM 0x2000000 /* DMATCO interrupt Mask */ +#define NBPF_CHAN_CFG_SBE 0x8000000 /* Sweep Buffer Enable */ +#define NBPF_CHAN_CFG_RSEL 0x10000000 /* RM: Register Set sELect */ +#define NBPF_CHAN_CFG_RSW 0x20000000 /* RM: Register Select sWitch */ +#define NBPF_CHAN_CFG_REN 0x40000000 /* RM: Register Set Enable */ +#define NBPF_CHAN_CFG_DMS 0x80000000 /* 0: register mode (RM), 1: link mode (LM) */ + +#define NBPF_CHAN_NXLA 0x38 +#define NBPF_CHAN_CRLA 0x3c + +/* Link Header field */ +#define NBPF_HEADER_LV 1 +#define NBPF_HEADER_LE 2 +#define NBPF_HEADER_WBD 4 +#define NBPF_HEADER_DIM 8 + +#define NBPF_CTRL 0x300 +#define NBPF_CTRL_PR 1 /* 0: fixed priority, 1: round robin */ +#define NBPF_CTRL_LVINT 2 /* DMAEND and DMAERR signalling: 0: pulse, 1: level */ + +#define NBPF_DSTAT_ER 0x314 +#define NBPF_DSTAT_END 0x318 + +#define NBPF_DMA_BUSWIDTHS \ + (BIT(DMA_SLAVE_BUSWIDTH_UNDEFINED) | \ + BIT(DMA_SLAVE_BUSWIDTH_1_BYTE) | \ + BIT(DMA_SLAVE_BUSWIDTH_2_BYTES) | \ + BIT(DMA_SLAVE_BUSWIDTH_4_BYTES) | \ + BIT(DMA_SLAVE_BUSWIDTH_8_BYTES)) + +struct nbpf_config { + int num_channels; + int buffer_size; +}; + +/* + * We've got 3 types of objects, used to describe DMA transfers: + * 1. high-level descriptor, containing a struct dma_async_tx_descriptor object + * in it, used to communicate with the user + * 2. hardware DMA link descriptors, that we pass to DMAC for DMA transfer + * queuing, these must be DMAable, using either the streaming DMA API or + * allocated from coherent memory - one per SG segment + * 3. one per SG segment descriptors, used to manage HW link descriptors from + * (2). They do not have to be DMAable. They can either be (a) allocated + * together with link descriptors as mixed (DMA / CPU) objects, or (b) + * separately. Even if allocated separately it would be best to link them + * to link descriptors once during channel resource allocation and always + * use them as a single object. + * Therefore for both cases (a) and (b) at run-time objects (2) and (3) shall be + * treated as a single SG segment descriptor. + */ + +struct nbpf_link_reg { + u32 header; + u32 src_addr; + u32 dst_addr; + u32 transaction_size; + u32 config; + u32 interval; + u32 extension; + u32 next; +} __packed; + +struct nbpf_device; +struct nbpf_channel; +struct nbpf_desc; + +struct nbpf_link_desc { + struct nbpf_link_reg *hwdesc; + dma_addr_t hwdesc_dma_addr; + struct nbpf_desc *desc; + struct list_head node; +}; + +/** + * struct nbpf_desc - DMA transfer descriptor + * @async_tx: dmaengine object + * @user_wait: waiting for a user ack + * @length: total transfer length + * @sg: list of hardware descriptors, represented by struct nbpf_link_desc + * @node: member in channel descriptor lists + */ +struct nbpf_desc { + struct dma_async_tx_descriptor async_tx; + bool user_wait; + size_t length; + struct nbpf_channel *chan; + struct list_head sg; + struct list_head node; +}; + +/* Take a wild guess: allocate 4 segments per descriptor */ +#define NBPF_SEGMENTS_PER_DESC 4 +#define NBPF_DESCS_PER_PAGE ((PAGE_SIZE - sizeof(struct list_head)) / \ + (sizeof(struct nbpf_desc) + \ + NBPF_SEGMENTS_PER_DESC * \ + (sizeof(struct nbpf_link_desc) + sizeof(struct nbpf_link_reg)))) +#define NBPF_SEGMENTS_PER_PAGE (NBPF_SEGMENTS_PER_DESC * NBPF_DESCS_PER_PAGE) + +struct nbpf_desc_page { + struct list_head node; + struct nbpf_desc desc[NBPF_DESCS_PER_PAGE]; + struct nbpf_link_desc ldesc[NBPF_SEGMENTS_PER_PAGE]; + struct nbpf_link_reg hwdesc[NBPF_SEGMENTS_PER_PAGE]; +}; + +/** + * struct nbpf_channel - one DMAC channel + * @dma_chan: standard dmaengine channel object + * @base: register address base + * @nbpf: DMAC + * @name: IRQ name + * @irq: IRQ number + * @slave_addr: address for slave DMA + * @slave_width:slave data size in bytes + * @slave_burst:maximum slave burst size in bytes + * @terminal: DMA terminal, assigned to this channel + * @dmarq_cfg: DMA request line configuration - high / low, edge / level for NBPF_CHAN_CFG + * @flags: configuration flags from DT + * @lock: protect descriptor lists + * @free_links: list of free link descriptors + * @free: list of free descriptors + * @queued: list of queued descriptors + * @active: list of descriptors, scheduled for processing + * @done: list of completed descriptors, waiting post-processing + * @desc_page: list of additionally allocated descriptor pages - if any + */ +struct nbpf_channel { + struct dma_chan dma_chan; + struct tasklet_struct tasklet; + void __iomem *base; + struct nbpf_device *nbpf; + char name[16]; + int irq; + dma_addr_t slave_src_addr; + size_t slave_src_width; + size_t slave_src_burst; + dma_addr_t slave_dst_addr; + size_t slave_dst_width; + size_t slave_dst_burst; + unsigned int terminal; + u32 dmarq_cfg; + unsigned long flags; + spinlock_t lock; + struct list_head free_links; + struct list_head free; + struct list_head queued; + struct list_head active; + struct list_head done; + struct list_head desc_page; + struct nbpf_desc *running; + bool paused; +}; + +struct nbpf_device { + struct dma_device dma_dev; + void __iomem *base; + struct clk *clk; + const struct nbpf_config *config; + struct nbpf_channel chan[]; +}; + +enum nbpf_model { + NBPF1B4, + NBPF1B8, + NBPF1B16, + NBPF4B4, + NBPF4B8, + NBPF4B16, + NBPF8B4, + NBPF8B8, + NBPF8B16, +}; + +static struct nbpf_config nbpf_cfg[] = { + [NBPF1B4] = { + .num_channels = 1, + .buffer_size = 4, + }, + [NBPF1B8] = { + .num_channels = 1, + .buffer_size = 8, + }, + [NBPF1B16] = { + .num_channels = 1, + .buffer_size = 16, + }, + [NBPF4B4] = { + .num_channels = 4, + .buffer_size = 4, + }, + [NBPF4B8] = { + .num_channels = 4, + .buffer_size = 8, + }, + [NBPF4B16] = { + .num_channels = 4, + .buffer_size = 16, + }, + [NBPF8B4] = { + .num_channels = 8, + .buffer_size = 4, + }, + [NBPF8B8] = { + .num_channels = 8, + .buffer_size = 8, + }, + [NBPF8B16] = { + .num_channels = 8, + .buffer_size = 16, + }, +}; + +#define nbpf_to_chan(d) container_of(d, struct nbpf_channel, dma_chan) + +/* + * dmaengine drivers seem to have a lot in common and instead of sharing more + * code, they reimplement those common algorithms independently. In this driver + * we try to separate the hardware-specific part from the (largely) generic + * part. This improves code readability and makes it possible in the future to + * reuse the generic code in form of a helper library. That generic code should + * be suitable for various DMA controllers, using transfer descriptors in RAM + * and pushing one SG list at a time to the DMA controller. + */ + +/* Hardware-specific part */ + +static inline u32 nbpf_chan_read(struct nbpf_channel *chan, + unsigned int offset) +{ + u32 data = ioread32(chan->base + offset); + dev_dbg(chan->dma_chan.device->dev, "%s(0x%p + 0x%x) = 0x%x\n", + __func__, chan->base, offset, data); + return data; +} + +static inline void nbpf_chan_write(struct nbpf_channel *chan, + unsigned int offset, u32 data) +{ + iowrite32(data, chan->base + offset); + dev_dbg(chan->dma_chan.device->dev, "%s(0x%p + 0x%x) = 0x%x\n", + __func__, chan->base, offset, data); +} + +static inline u32 nbpf_read(struct nbpf_device *nbpf, + unsigned int offset) +{ + u32 data = ioread32(nbpf->base + offset); + dev_dbg(nbpf->dma_dev.dev, "%s(0x%p + 0x%x) = 0x%x\n", + __func__, nbpf->base, offset, data); + return data; +} + +static inline void nbpf_write(struct nbpf_device *nbpf, + unsigned int offset, u32 data) +{ + iowrite32(data, nbpf->base + offset); + dev_dbg(nbpf->dma_dev.dev, "%s(0x%p + 0x%x) = 0x%x\n", + __func__, nbpf->base, offset, data); +} + +static void nbpf_chan_halt(struct nbpf_channel *chan) +{ + nbpf_chan_write(chan, NBPF_CHAN_CTRL, NBPF_CHAN_CTRL_CLREN); +} + +static bool nbpf_status_get(struct nbpf_channel *chan) +{ + u32 status = nbpf_read(chan->nbpf, NBPF_DSTAT_END); + + return status & BIT(chan - chan->nbpf->chan); +} + +static void nbpf_status_ack(struct nbpf_channel *chan) +{ + nbpf_chan_write(chan, NBPF_CHAN_CTRL, NBPF_CHAN_CTRL_CLREND); +} + +static u32 nbpf_error_get(struct nbpf_device *nbpf) +{ + return nbpf_read(nbpf, NBPF_DSTAT_ER); +} + +static struct nbpf_channel *nbpf_error_get_channel(struct nbpf_device *nbpf, u32 error) +{ + return nbpf->chan + __ffs(error); +} + +static void nbpf_error_clear(struct nbpf_channel *chan) +{ + u32 status; + int i; + + /* Stop the channel, make sure DMA has been aborted */ + nbpf_chan_halt(chan); + + for (i = 1000; i; i--) { + status = nbpf_chan_read(chan, NBPF_CHAN_STAT); + if (!(status & NBPF_CHAN_STAT_TACT)) + break; + cpu_relax(); + } + + if (!i) + dev_err(chan->dma_chan.device->dev, + "%s(): abort timeout, channel status 0x%x\n", __func__, status); + + nbpf_chan_write(chan, NBPF_CHAN_CTRL, NBPF_CHAN_CTRL_SWRST); +} + +static int nbpf_start(struct nbpf_desc *desc) +{ + struct nbpf_channel *chan = desc->chan; + struct nbpf_link_desc *ldesc = list_first_entry(&desc->sg, struct nbpf_link_desc, node); + + nbpf_chan_write(chan, NBPF_CHAN_NXLA, (u32)ldesc->hwdesc_dma_addr); + nbpf_chan_write(chan, NBPF_CHAN_CTRL, NBPF_CHAN_CTRL_SETEN | NBPF_CHAN_CTRL_CLRSUS); + chan->paused = false; + + /* Software trigger MEMCPY - only MEMCPY uses the block mode */ + if (ldesc->hwdesc->config & NBPF_CHAN_CFG_TM) + nbpf_chan_write(chan, NBPF_CHAN_CTRL, NBPF_CHAN_CTRL_STG); + + dev_dbg(chan->nbpf->dma_dev.dev, "%s(): next 0x%x, cur 0x%x\n", __func__, + nbpf_chan_read(chan, NBPF_CHAN_NXLA), nbpf_chan_read(chan, NBPF_CHAN_CRLA)); + + return 0; +} + +static void nbpf_chan_prepare(struct nbpf_channel *chan) +{ + chan->dmarq_cfg = (chan->flags & NBPF_SLAVE_RQ_HIGH ? NBPF_CHAN_CFG_HIEN : 0) | + (chan->flags & NBPF_SLAVE_RQ_LOW ? NBPF_CHAN_CFG_LOEN : 0) | + (chan->flags & NBPF_SLAVE_RQ_LEVEL ? + NBPF_CHAN_CFG_LVL | (NBPF_CHAN_CFG_AM & 0x200) : 0) | + chan->terminal; +} + +static void nbpf_chan_prepare_default(struct nbpf_channel *chan) +{ + /* Don't output DMAACK */ + chan->dmarq_cfg = NBPF_CHAN_CFG_AM & 0x400; + chan->terminal = 0; + chan->flags = 0; +} + +static void nbpf_chan_configure(struct nbpf_channel *chan) +{ + /* + * We assume, that only the link mode and DMA request line configuration + * have to be set in the configuration register manually. Dynamic + * per-transfer configuration will be loaded from transfer descriptors. + */ + nbpf_chan_write(chan, NBPF_CHAN_CFG, NBPF_CHAN_CFG_DMS | chan->dmarq_cfg); +} + +static u32 nbpf_xfer_ds(struct nbpf_device *nbpf, size_t size) +{ + /* Maximum supported bursts depend on the buffer size */ + return min_t(int, __ffs(size), ilog2(nbpf->config->buffer_size * 8)); +} + +static size_t nbpf_xfer_size(struct nbpf_device *nbpf, + enum dma_slave_buswidth width, u32 burst) +{ + size_t size; + + if (!burst) + burst = 1; + + switch (width) { + case DMA_SLAVE_BUSWIDTH_8_BYTES: + size = 8 * burst; + break; + + case DMA_SLAVE_BUSWIDTH_4_BYTES: + size = 4 * burst; + break; + + case DMA_SLAVE_BUSWIDTH_2_BYTES: + size = 2 * burst; + break; + + default: + pr_warn("%s(): invalid bus width %u\n", __func__, width); + case DMA_SLAVE_BUSWIDTH_1_BYTE: + size = burst; + } + + return nbpf_xfer_ds(nbpf, size); +} + +/* + * We need a way to recognise slaves, whose data is sent "raw" over the bus, + * i.e. it isn't known in advance how many bytes will be received. Therefore + * the slave driver has to provide a "large enough" buffer and either read the + * buffer, when it is full, or detect, that some data has arrived, then wait for + * a timeout, if no more data arrives - receive what's already there. We want to + * handle such slaves in a special way to allow an optimised mode for other + * users, for whom the amount of data is known in advance. So far there's no way + * to recognise such slaves. We use a data-width check to distinguish between + * the SD host and the PL011 UART. + */ + +static int nbpf_prep_one(struct nbpf_link_desc *ldesc, + enum dma_transfer_direction direction, + dma_addr_t src, dma_addr_t dst, size_t size, bool last) +{ + struct nbpf_link_reg *hwdesc = ldesc->hwdesc; + struct nbpf_desc *desc = ldesc->desc; + struct nbpf_channel *chan = desc->chan; + struct device *dev = chan->dma_chan.device->dev; + size_t mem_xfer, slave_xfer; + bool can_burst; + + hwdesc->header = NBPF_HEADER_WBD | NBPF_HEADER_LV | + (last ? NBPF_HEADER_LE : 0); + + hwdesc->src_addr = src; + hwdesc->dst_addr = dst; + hwdesc->transaction_size = size; + + /* + * set config: SAD, DAD, DDS, SDS, etc. + * Note on transfer sizes: the DMAC can perform unaligned DMA transfers, + * but it is important to have transaction size a multiple of both + * receiver and transmitter transfer sizes. It is also possible to use + * different RAM and device transfer sizes, and it does work well with + * some devices, e.g. with V08R07S01E SD host controllers, which can use + * 128 byte transfers. But this doesn't work with other devices, + * especially when the transaction size is unknown. This is the case, + * e.g. with serial drivers like amba-pl011.c. For reception it sets up + * the transaction size of 4K and if fewer bytes are received, it + * pauses DMA and reads out data received via DMA as well as those left + * in the Rx FIFO. For this to work with the RAM side using burst + * transfers we enable the SBE bit and terminate the transfer in our + * DMA_PAUSE handler. + */ + mem_xfer = nbpf_xfer_ds(chan->nbpf, size); + + switch (direction) { + case DMA_DEV_TO_MEM: + can_burst = chan->slave_src_width >= 3; + slave_xfer = min(mem_xfer, can_burst ? + chan->slave_src_burst : chan->slave_src_width); + /* + * Is the slave narrower than 64 bits, i.e. isn't using the full + * bus width and cannot use bursts? + */ + if (mem_xfer > chan->slave_src_burst && !can_burst) + mem_xfer = chan->slave_src_burst; + /* Device-to-RAM DMA is unreliable without REQD set */ + hwdesc->config = NBPF_CHAN_CFG_SAD | (NBPF_CHAN_CFG_DDS & (mem_xfer << 16)) | + (NBPF_CHAN_CFG_SDS & (slave_xfer << 12)) | NBPF_CHAN_CFG_REQD | + NBPF_CHAN_CFG_SBE; + break; + + case DMA_MEM_TO_DEV: + slave_xfer = min(mem_xfer, chan->slave_dst_width >= 3 ? + chan->slave_dst_burst : chan->slave_dst_width); + hwdesc->config = NBPF_CHAN_CFG_DAD | (NBPF_CHAN_CFG_SDS & (mem_xfer << 12)) | + (NBPF_CHAN_CFG_DDS & (slave_xfer << 16)) | NBPF_CHAN_CFG_REQD; + break; + + case DMA_MEM_TO_MEM: + hwdesc->config = NBPF_CHAN_CFG_TCM | NBPF_CHAN_CFG_TM | + (NBPF_CHAN_CFG_SDS & (mem_xfer << 12)) | + (NBPF_CHAN_CFG_DDS & (mem_xfer << 16)); + break; + + default: + return -EINVAL; + } + + hwdesc->config |= chan->dmarq_cfg | (last ? 0 : NBPF_CHAN_CFG_DEM) | + NBPF_CHAN_CFG_DMS; + + dev_dbg(dev, "%s(): desc @ %pad: hdr 0x%x, cfg 0x%x, %zu @ %pad -> %pad\n", + __func__, &ldesc->hwdesc_dma_addr, hwdesc->header, + hwdesc->config, size, &src, &dst); + + dma_sync_single_for_device(dev, ldesc->hwdesc_dma_addr, sizeof(*hwdesc), + DMA_TO_DEVICE); + + return 0; +} + +static size_t nbpf_bytes_left(struct nbpf_channel *chan) +{ + return nbpf_chan_read(chan, NBPF_CHAN_CUR_TR_BYTE); +} + +static void nbpf_configure(struct nbpf_device *nbpf) +{ + nbpf_write(nbpf, NBPF_CTRL, NBPF_CTRL_LVINT); +} + +static void nbpf_pause(struct nbpf_channel *chan) +{ + nbpf_chan_write(chan, NBPF_CHAN_CTRL, NBPF_CHAN_CTRL_SETSUS); + /* See comment in nbpf_prep_one() */ + nbpf_chan_write(chan, NBPF_CHAN_CTRL, NBPF_CHAN_CTRL_CLREN); +} + +/* Generic part */ + +/* DMA ENGINE functions */ +static void nbpf_issue_pending(struct dma_chan *dchan) +{ + struct nbpf_channel *chan = nbpf_to_chan(dchan); + unsigned long flags; + + dev_dbg(dchan->device->dev, "Entry %s()\n", __func__); + + spin_lock_irqsave(&chan->lock, flags); + if (list_empty(&chan->queued)) + goto unlock; + + list_splice_tail_init(&chan->queued, &chan->active); + + if (!chan->running) { + struct nbpf_desc *desc = list_first_entry(&chan->active, + struct nbpf_desc, node); + if (!nbpf_start(desc)) + chan->running = desc; + } + +unlock: + spin_unlock_irqrestore(&chan->lock, flags); +} + +static enum dma_status nbpf_tx_status(struct dma_chan *dchan, + dma_cookie_t cookie, struct dma_tx_state *state) +{ + struct nbpf_channel *chan = nbpf_to_chan(dchan); + enum dma_status status = dma_cookie_status(dchan, cookie, state); + + if (state) { + dma_cookie_t running; + unsigned long flags; + + spin_lock_irqsave(&chan->lock, flags); + running = chan->running ? chan->running->async_tx.cookie : -EINVAL; + + if (cookie == running) { + state->residue = nbpf_bytes_left(chan); + dev_dbg(dchan->device->dev, "%s(): residue %u\n", __func__, + state->residue); + } else if (status == DMA_IN_PROGRESS) { + struct nbpf_desc *desc; + bool found = false; + + list_for_each_entry(desc, &chan->active, node) + if (desc->async_tx.cookie == cookie) { + found = true; + break; + } + + if (!found) + list_for_each_entry(desc, &chan->queued, node) + if (desc->async_tx.cookie == cookie) { + found = true; + break; + + } + + state->residue = found ? desc->length : 0; + } + + spin_unlock_irqrestore(&chan->lock, flags); + } + + if (chan->paused) + status = DMA_PAUSED; + + return status; +} + +static dma_cookie_t nbpf_tx_submit(struct dma_async_tx_descriptor *tx) +{ + struct nbpf_desc *desc = container_of(tx, struct nbpf_desc, async_tx); + struct nbpf_channel *chan = desc->chan; + unsigned long flags; + dma_cookie_t cookie; + + spin_lock_irqsave(&chan->lock, flags); + cookie = dma_cookie_assign(tx); + list_add_tail(&desc->node, &chan->queued); + spin_unlock_irqrestore(&chan->lock, flags); + + dev_dbg(chan->dma_chan.device->dev, "Entry %s(%d)\n", __func__, cookie); + + return cookie; +} + +static int nbpf_desc_page_alloc(struct nbpf_channel *chan) +{ + struct dma_chan *dchan = &chan->dma_chan; + struct nbpf_desc_page *dpage = (void *)get_zeroed_page(GFP_KERNEL | GFP_DMA); + struct nbpf_link_desc *ldesc; + struct nbpf_link_reg *hwdesc; + struct nbpf_desc *desc; + LIST_HEAD(head); + LIST_HEAD(lhead); + int i; + struct device *dev = dchan->device->dev; + + if (!dpage) + return -ENOMEM; + + dev_dbg(dev, "%s(): alloc %lu descriptors, %lu segments, total alloc %zu\n", + __func__, NBPF_DESCS_PER_PAGE, NBPF_SEGMENTS_PER_PAGE, sizeof(*dpage)); + + for (i = 0, ldesc = dpage->ldesc, hwdesc = dpage->hwdesc; + i < ARRAY_SIZE(dpage->ldesc); + i++, ldesc++, hwdesc++) { + ldesc->hwdesc = hwdesc; + list_add_tail(&ldesc->node, &lhead); + ldesc->hwdesc_dma_addr = dma_map_single(dchan->device->dev, + hwdesc, sizeof(*hwdesc), DMA_TO_DEVICE); + + dev_dbg(dev, "%s(): mapped 0x%p to %pad\n", __func__, + hwdesc, &ldesc->hwdesc_dma_addr); + } + + for (i = 0, desc = dpage->desc; + i < ARRAY_SIZE(dpage->desc); + i++, desc++) { + dma_async_tx_descriptor_init(&desc->async_tx, dchan); + desc->async_tx.tx_submit = nbpf_tx_submit; + desc->chan = chan; + INIT_LIST_HEAD(&desc->sg); + list_add_tail(&desc->node, &head); + } + + /* + * This function cannot be called from interrupt context, so, no need to + * save flags + */ + spin_lock_irq(&chan->lock); + list_splice_tail(&lhead, &chan->free_links); + list_splice_tail(&head, &chan->free); + list_add(&dpage->node, &chan->desc_page); + spin_unlock_irq(&chan->lock); + + return ARRAY_SIZE(dpage->desc); +} + +static void nbpf_desc_put(struct nbpf_desc *desc) +{ + struct nbpf_channel *chan = desc->chan; + struct nbpf_link_desc *ldesc, *tmp; + unsigned long flags; + + spin_lock_irqsave(&chan->lock, flags); + list_for_each_entry_safe(ldesc, tmp, &desc->sg, node) + list_move(&ldesc->node, &chan->free_links); + + list_add(&desc->node, &chan->free); + spin_unlock_irqrestore(&chan->lock, flags); +} + +static void nbpf_scan_acked(struct nbpf_channel *chan) +{ + struct nbpf_desc *desc, *tmp; + unsigned long flags; + LIST_HEAD(head); + + spin_lock_irqsave(&chan->lock, flags); + list_for_each_entry_safe(desc, tmp, &chan->done, node) + if (async_tx_test_ack(&desc->async_tx) && desc->user_wait) { + list_move(&desc->node, &head); + desc->user_wait = false; + } + spin_unlock_irqrestore(&chan->lock, flags); + + list_for_each_entry_safe(desc, tmp, &head, node) { + list_del(&desc->node); + nbpf_desc_put(desc); + } +} + +/* + * We have to allocate descriptors with the channel lock dropped. This means, + * before we re-acquire the lock buffers can be taken already, so we have to + * re-check after re-acquiring the lock and possibly retry, if buffers are gone + * again. + */ +static struct nbpf_desc *nbpf_desc_get(struct nbpf_channel *chan, size_t len) +{ + struct nbpf_desc *desc = NULL; + struct nbpf_link_desc *ldesc, *prev = NULL; + + nbpf_scan_acked(chan); + + spin_lock_irq(&chan->lock); + + do { + int i = 0, ret; + + if (list_empty(&chan->free)) { + /* No more free descriptors */ + spin_unlock_irq(&chan->lock); + ret = nbpf_desc_page_alloc(chan); + if (ret < 0) + return NULL; + spin_lock_irq(&chan->lock); + continue; + } + desc = list_first_entry(&chan->free, struct nbpf_desc, node); + list_del(&desc->node); + + do { + if (list_empty(&chan->free_links)) { + /* No more free link descriptors */ + spin_unlock_irq(&chan->lock); + ret = nbpf_desc_page_alloc(chan); + if (ret < 0) { + nbpf_desc_put(desc); + return NULL; + } + spin_lock_irq(&chan->lock); + continue; + } + + ldesc = list_first_entry(&chan->free_links, + struct nbpf_link_desc, node); + ldesc->desc = desc; + if (prev) + prev->hwdesc->next = (u32)ldesc->hwdesc_dma_addr; + + prev = ldesc; + list_move_tail(&ldesc->node, &desc->sg); + + i++; + } while (i < len); + } while (!desc); + + prev->hwdesc->next = 0; + + spin_unlock_irq(&chan->lock); + + return desc; +} + +static void nbpf_chan_idle(struct nbpf_channel *chan) +{ + struct nbpf_desc *desc, *tmp; + unsigned long flags; + LIST_HEAD(head); + + spin_lock_irqsave(&chan->lock, flags); + + list_splice_init(&chan->done, &head); + list_splice_init(&chan->active, &head); + list_splice_init(&chan->queued, &head); + + chan->running = NULL; + + spin_unlock_irqrestore(&chan->lock, flags); + + list_for_each_entry_safe(desc, tmp, &head, node) { + dev_dbg(chan->nbpf->dma_dev.dev, "%s(): force-free desc %p cookie %d\n", + __func__, desc, desc->async_tx.cookie); + list_del(&desc->node); + nbpf_desc_put(desc); + } +} + +static int nbpf_control(struct dma_chan *dchan, enum dma_ctrl_cmd cmd, + unsigned long arg) +{ + struct nbpf_channel *chan = nbpf_to_chan(dchan); + struct dma_slave_config *config; + + dev_dbg(dchan->device->dev, "Entry %s(%d)\n", __func__, cmd); + + switch (cmd) { + case DMA_TERMINATE_ALL: + dev_dbg(dchan->device->dev, "Terminating\n"); + nbpf_chan_halt(chan); + nbpf_chan_idle(chan); + break; + + case DMA_SLAVE_CONFIG: + if (!arg) + return -EINVAL; + config = (struct dma_slave_config *)arg; + + /* + * We could check config->slave_id to match chan->terminal here, + * but with DT they would be coming from the same source, so + * such a check would be superflous + */ + + chan->slave_dst_addr = config->dst_addr; + chan->slave_dst_width = nbpf_xfer_size(chan->nbpf, + config->dst_addr_width, 1); + chan->slave_dst_burst = nbpf_xfer_size(chan->nbpf, + config->dst_addr_width, + config->dst_maxburst); + chan->slave_src_addr = config->src_addr; + chan->slave_src_width = nbpf_xfer_size(chan->nbpf, + config->src_addr_width, 1); + chan->slave_src_burst = nbpf_xfer_size(chan->nbpf, + config->src_addr_width, + config->src_maxburst); + break; + + case DMA_PAUSE: + chan->paused = true; + nbpf_pause(chan); + break; + + default: + return -ENXIO; + } + + return 0; +} + +static struct dma_async_tx_descriptor *nbpf_prep_sg(struct nbpf_channel *chan, + struct scatterlist *src_sg, struct scatterlist *dst_sg, + size_t len, enum dma_transfer_direction direction, + unsigned long flags) +{ + struct nbpf_link_desc *ldesc; + struct scatterlist *mem_sg; + struct nbpf_desc *desc; + bool inc_src, inc_dst; + size_t data_len = 0; + int i = 0; + + switch (direction) { + case DMA_DEV_TO_MEM: + mem_sg = dst_sg; + inc_src = false; + inc_dst = true; + break; + + case DMA_MEM_TO_DEV: + mem_sg = src_sg; + inc_src = true; + inc_dst = false; + break; + + default: + case DMA_MEM_TO_MEM: + mem_sg = src_sg; + inc_src = true; + inc_dst = true; + } + + desc = nbpf_desc_get(chan, len); + if (!desc) + return NULL; + + desc->async_tx.flags = flags; + desc->async_tx.cookie = -EBUSY; + desc->user_wait = false; + + /* + * This is a private descriptor list, and we own the descriptor. No need + * to lock. + */ + list_for_each_entry(ldesc, &desc->sg, node) { + int ret = nbpf_prep_one(ldesc, direction, + sg_dma_address(src_sg), + sg_dma_address(dst_sg), + sg_dma_len(mem_sg), + i == len - 1); + if (ret < 0) { + nbpf_desc_put(desc); + return NULL; + } + data_len += sg_dma_len(mem_sg); + if (inc_src) + src_sg = sg_next(src_sg); + if (inc_dst) + dst_sg = sg_next(dst_sg); + mem_sg = direction == DMA_DEV_TO_MEM ? dst_sg : src_sg; + i++; + } + + desc->length = data_len; + + /* The user has to return the descriptor to us ASAP via .tx_submit() */ + return &desc->async_tx; +} + +static struct dma_async_tx_descriptor *nbpf_prep_memcpy( + struct dma_chan *dchan, dma_addr_t dst, dma_addr_t src, + size_t len, unsigned long flags) +{ + struct nbpf_channel *chan = nbpf_to_chan(dchan); + struct scatterlist dst_sg; + struct scatterlist src_sg; + + sg_init_table(&dst_sg, 1); + sg_init_table(&src_sg, 1); + + sg_dma_address(&dst_sg) = dst; + sg_dma_address(&src_sg) = src; + + sg_dma_len(&dst_sg) = len; + sg_dma_len(&src_sg) = len; + + dev_dbg(dchan->device->dev, "%s(): %zu @ %pad -> %pad\n", + __func__, len, &src, &dst); + + return nbpf_prep_sg(chan, &src_sg, &dst_sg, 1, + DMA_MEM_TO_MEM, flags); +} + +static struct dma_async_tx_descriptor *nbpf_prep_memcpy_sg( + struct dma_chan *dchan, + struct scatterlist *dst_sg, unsigned int dst_nents, + struct scatterlist *src_sg, unsigned int src_nents, + unsigned long flags) +{ + struct nbpf_channel *chan = nbpf_to_chan(dchan); + + if (dst_nents != src_nents) + return NULL; + + return nbpf_prep_sg(chan, src_sg, dst_sg, src_nents, + DMA_MEM_TO_MEM, flags); +} + +static struct dma_async_tx_descriptor *nbpf_prep_slave_sg( + struct dma_chan *dchan, struct scatterlist *sgl, unsigned int sg_len, + enum dma_transfer_direction direction, unsigned long flags, void *context) +{ + struct nbpf_channel *chan = nbpf_to_chan(dchan); + struct scatterlist slave_sg; + + dev_dbg(dchan->device->dev, "Entry %s()\n", __func__); + + sg_init_table(&slave_sg, 1); + + switch (direction) { + case DMA_MEM_TO_DEV: + sg_dma_address(&slave_sg) = chan->slave_dst_addr; + return nbpf_prep_sg(chan, sgl, &slave_sg, sg_len, + direction, flags); + + case DMA_DEV_TO_MEM: + sg_dma_address(&slave_sg) = chan->slave_src_addr; + return nbpf_prep_sg(chan, &slave_sg, sgl, sg_len, + direction, flags); + + default: + return NULL; + } +} + +static int nbpf_alloc_chan_resources(struct dma_chan *dchan) +{ + struct nbpf_channel *chan = nbpf_to_chan(dchan); + int ret; + + INIT_LIST_HEAD(&chan->free); + INIT_LIST_HEAD(&chan->free_links); + INIT_LIST_HEAD(&chan->queued); + INIT_LIST_HEAD(&chan->active); + INIT_LIST_HEAD(&chan->done); + + ret = nbpf_desc_page_alloc(chan); + if (ret < 0) + return ret; + + dev_dbg(dchan->device->dev, "Entry %s(): terminal %u\n", __func__, + chan->terminal); + + nbpf_chan_configure(chan); + + return ret; +} + +static void nbpf_free_chan_resources(struct dma_chan *dchan) +{ + struct nbpf_channel *chan = nbpf_to_chan(dchan); + struct nbpf_desc_page *dpage, *tmp; + + dev_dbg(dchan->device->dev, "Entry %s()\n", __func__); + + nbpf_chan_halt(chan); + nbpf_chan_idle(chan); + /* Clean up for if a channel is re-used for MEMCPY after slave DMA */ + nbpf_chan_prepare_default(chan); + + list_for_each_entry_safe(dpage, tmp, &chan->desc_page, node) { + struct nbpf_link_desc *ldesc; + int i; + list_del(&dpage->node); + for (i = 0, ldesc = dpage->ldesc; + i < ARRAY_SIZE(dpage->ldesc); + i++, ldesc++) + dma_unmap_single(dchan->device->dev, ldesc->hwdesc_dma_addr, + sizeof(*ldesc->hwdesc), DMA_TO_DEVICE); + free_page((unsigned long)dpage); + } +} + +static int nbpf_slave_caps(struct dma_chan *dchan, + struct dma_slave_caps *caps) +{ + caps->src_addr_widths = NBPF_DMA_BUSWIDTHS; + caps->dstn_addr_widths = NBPF_DMA_BUSWIDTHS; + caps->directions = BIT(DMA_DEV_TO_MEM) | BIT(DMA_MEM_TO_DEV); + caps->cmd_pause = false; + caps->cmd_terminate = true; + + return 0; +} + +static struct dma_chan *nbpf_of_xlate(struct of_phandle_args *dma_spec, + struct of_dma *ofdma) +{ + struct nbpf_device *nbpf = ofdma->of_dma_data; + struct dma_chan *dchan; + struct nbpf_channel *chan; + + if (dma_spec->args_count != 2) + return NULL; + + dchan = dma_get_any_slave_channel(&nbpf->dma_dev); + if (!dchan) + return NULL; + + dev_dbg(dchan->device->dev, "Entry %s(%s)\n", __func__, + dma_spec->np->name); + + chan = nbpf_to_chan(dchan); + + chan->terminal = dma_spec->args[0]; + chan->flags = dma_spec->args[1]; + + nbpf_chan_prepare(chan); + nbpf_chan_configure(chan); + + return dchan; +} + +static void nbpf_chan_tasklet(unsigned long data) +{ + struct nbpf_channel *chan = (struct nbpf_channel *)data; + struct nbpf_desc *desc, *tmp; + dma_async_tx_callback callback; + void *param; + + while (!list_empty(&chan->done)) { + bool found = false, must_put, recycling = false; + + spin_lock_irq(&chan->lock); + + list_for_each_entry_safe(desc, tmp, &chan->done, node) { + if (!desc->user_wait) { + /* Newly completed descriptor, have to process */ + found = true; + break; + } else if (async_tx_test_ack(&desc->async_tx)) { + /* + * This descriptor was waiting for a user ACK, + * it can be recycled now. + */ + list_del(&desc->node); + spin_unlock_irq(&chan->lock); + nbpf_desc_put(desc); + recycling = true; + break; + } + } + + if (recycling) + continue; + + if (!found) { + /* This can happen if TERMINATE_ALL has been called */ + spin_unlock_irq(&chan->lock); + break; + } + + dma_cookie_complete(&desc->async_tx); + + /* + * With released lock we cannot dereference desc, maybe it's + * still on the "done" list + */ + if (async_tx_test_ack(&desc->async_tx)) { + list_del(&desc->node); + must_put = true; + } else { + desc->user_wait = true; + must_put = false; + } + + callback = desc->async_tx.callback; + param = desc->async_tx.callback_param; + + /* ack and callback completed descriptor */ + spin_unlock_irq(&chan->lock); + + if (callback) + callback(param); + + if (must_put) + nbpf_desc_put(desc); + } +} + +static irqreturn_t nbpf_chan_irq(int irq, void *dev) +{ + struct nbpf_channel *chan = dev; + bool done = nbpf_status_get(chan); + struct nbpf_desc *desc; + irqreturn_t ret; + bool bh = false; + + if (!done) + return IRQ_NONE; + + nbpf_status_ack(chan); + + dev_dbg(&chan->dma_chan.dev->device, "%s()\n", __func__); + + spin_lock(&chan->lock); + desc = chan->running; + if (WARN_ON(!desc)) { + ret = IRQ_NONE; + goto unlock; + } else { + ret = IRQ_HANDLED; + bh = true; + } + + list_move_tail(&desc->node, &chan->done); + chan->running = NULL; + + if (!list_empty(&chan->active)) { + desc = list_first_entry(&chan->active, + struct nbpf_desc, node); + if (!nbpf_start(desc)) + chan->running = desc; + } + +unlock: + spin_unlock(&chan->lock); + + if (bh) + tasklet_schedule(&chan->tasklet); + + return ret; +} + +static irqreturn_t nbpf_err_irq(int irq, void *dev) +{ + struct nbpf_device *nbpf = dev; + u32 error = nbpf_error_get(nbpf); + + dev_warn(nbpf->dma_dev.dev, "DMA error IRQ %u\n", irq); + + if (!error) + return IRQ_NONE; + + do { + struct nbpf_channel *chan = nbpf_error_get_channel(nbpf, error); + /* On error: abort all queued transfers, no callback */ + nbpf_error_clear(chan); + nbpf_chan_idle(chan); + error = nbpf_error_get(nbpf); + } while (error); + + return IRQ_HANDLED; +} + +static int nbpf_chan_probe(struct nbpf_device *nbpf, int n) +{ + struct dma_device *dma_dev = &nbpf->dma_dev; + struct nbpf_channel *chan = nbpf->chan + n; + int ret; + + chan->nbpf = nbpf; + chan->base = nbpf->base + NBPF_REG_CHAN_OFFSET + NBPF_REG_CHAN_SIZE * n; + INIT_LIST_HEAD(&chan->desc_page); + spin_lock_init(&chan->lock); + chan->dma_chan.device = dma_dev; + dma_cookie_init(&chan->dma_chan); + nbpf_chan_prepare_default(chan); + + dev_dbg(dma_dev->dev, "%s(): channel %d: -> %p\n", __func__, n, chan->base); + + snprintf(chan->name, sizeof(chan->name), "nbpf %d", n); + + tasklet_init(&chan->tasklet, nbpf_chan_tasklet, (unsigned long)chan); + ret = devm_request_irq(dma_dev->dev, chan->irq, + nbpf_chan_irq, IRQF_SHARED, + chan->name, chan); + if (ret < 0) + return ret; + + /* Add the channel to DMA device channel list */ + list_add_tail(&chan->dma_chan.device_node, + &dma_dev->channels); + + return 0; +} + +static const struct of_device_id nbpf_match[] = { + {.compatible = "renesas,nbpfaxi64dmac1b4", .data = &nbpf_cfg[NBPF1B4]}, + {.compatible = "renesas,nbpfaxi64dmac1b8", .data = &nbpf_cfg[NBPF1B8]}, + {.compatible = "renesas,nbpfaxi64dmac1b16", .data = &nbpf_cfg[NBPF1B16]}, + {.compatible = "renesas,nbpfaxi64dmac4b4", .data = &nbpf_cfg[NBPF4B4]}, + {.compatible = "renesas,nbpfaxi64dmac4b8", .data = &nbpf_cfg[NBPF4B8]}, + {.compatible = "renesas,nbpfaxi64dmac4b16", .data = &nbpf_cfg[NBPF4B16]}, + {.compatible = "renesas,nbpfaxi64dmac8b4", .data = &nbpf_cfg[NBPF8B4]}, + {.compatible = "renesas,nbpfaxi64dmac8b8", .data = &nbpf_cfg[NBPF8B8]}, + {.compatible = "renesas,nbpfaxi64dmac8b16", .data = &nbpf_cfg[NBPF8B16]}, + {} +}; +MODULE_DEVICE_TABLE(of, nbpf_match); + +static int nbpf_probe(struct platform_device *pdev) +{ + struct device *dev = &pdev->dev; + const struct of_device_id *of_id = of_match_device(nbpf_match, dev); + struct device_node *np = dev->of_node; + struct nbpf_device *nbpf; + struct dma_device *dma_dev; + struct resource *iomem, *irq_res; + const struct nbpf_config *cfg; + int num_channels; + int ret, irq, eirq, i; + int irqbuf[9] /* maximum 8 channels + error IRQ */; + unsigned int irqs = 0; + + BUILD_BUG_ON(sizeof(struct nbpf_desc_page) > PAGE_SIZE); + + /* DT only */ + if (!np || !of_id || !of_id->data) + return -ENODEV; + + cfg = of_id->data; + num_channels = cfg->num_channels; + + nbpf = devm_kzalloc(dev, sizeof(*nbpf) + num_channels * + sizeof(nbpf->chan[0]), GFP_KERNEL); + if (!nbpf) { + dev_err(dev, "Memory allocation failed\n"); + return -ENOMEM; + } + dma_dev = &nbpf->dma_dev; + dma_dev->dev = dev; + + iomem = platform_get_resource(pdev, IORESOURCE_MEM, 0); + nbpf->base = devm_ioremap_resource(dev, iomem); + if (IS_ERR(nbpf->base)) + return PTR_ERR(nbpf->base); + + nbpf->clk = devm_clk_get(dev, NULL); + if (IS_ERR(nbpf->clk)) + return PTR_ERR(nbpf->clk); + + nbpf->config = cfg; + + for (i = 0; irqs < ARRAY_SIZE(irqbuf); i++) { + irq_res = platform_get_resource(pdev, IORESOURCE_IRQ, i); + if (!irq_res) + break; + + for (irq = irq_res->start; irq <= irq_res->end; + irq++, irqs++) + irqbuf[irqs] = irq; + } + + /* + * 3 IRQ resource schemes are supported: + * 1. 1 shared IRQ for error and all channels + * 2. 2 IRQs: one for error and one shared for all channels + * 3. 1 IRQ for error and an own IRQ for each channel + */ + if (irqs != 1 && irqs != 2 && irqs != num_channels + 1) + return -ENXIO; + + if (irqs == 1) { + eirq = irqbuf[0]; + + for (i = 0; i <= num_channels; i++) + nbpf->chan[i].irq = irqbuf[0]; + } else { + eirq = platform_get_irq_byname(pdev, "error"); + if (eirq < 0) + return eirq; + + if (irqs == num_channels + 1) { + struct nbpf_channel *chan; + + for (i = 0, chan = nbpf->chan; i <= num_channels; + i++, chan++) { + /* Skip the error IRQ */ + if (irqbuf[i] == eirq) + i++; + chan->irq = irqbuf[i]; + } + + if (chan != nbpf->chan + num_channels) + return -EINVAL; + } else { + /* 2 IRQs and more than one channel */ + if (irqbuf[0] == eirq) + irq = irqbuf[1]; + else + irq = irqbuf[0]; + + for (i = 0; i <= num_channels; i++) + nbpf->chan[i].irq = irq; + } + } + + ret = devm_request_irq(dev, eirq, nbpf_err_irq, + IRQF_SHARED, "dma error", nbpf); + if (ret < 0) + return ret; + + INIT_LIST_HEAD(&dma_dev->channels); + + /* Create DMA Channel */ + for (i = 0; i < num_channels; i++) { + ret = nbpf_chan_probe(nbpf, i); + if (ret < 0) + return ret; + } + + dma_cap_set(DMA_MEMCPY, dma_dev->cap_mask); + dma_cap_set(DMA_SLAVE, dma_dev->cap_mask); + dma_cap_set(DMA_PRIVATE, dma_dev->cap_mask); + dma_cap_set(DMA_SG, dma_dev->cap_mask); + + /* Common and MEMCPY operations */ + dma_dev->device_alloc_chan_resources + = nbpf_alloc_chan_resources; + dma_dev->device_free_chan_resources = nbpf_free_chan_resources; + dma_dev->device_prep_dma_sg = nbpf_prep_memcpy_sg; + dma_dev->device_prep_dma_memcpy = nbpf_prep_memcpy; + dma_dev->device_tx_status = nbpf_tx_status; + dma_dev->device_issue_pending = nbpf_issue_pending; + dma_dev->device_slave_caps = nbpf_slave_caps; + + /* + * If we drop support for unaligned MEMCPY buffer addresses and / or + * lengths by setting + * dma_dev->copy_align = 4; + * then we can set transfer length to 4 bytes in nbpf_prep_one() for + * DMA_MEM_TO_MEM + */ + + /* Compulsory for DMA_SLAVE fields */ + dma_dev->device_prep_slave_sg = nbpf_prep_slave_sg; + dma_dev->device_control = nbpf_control; + + platform_set_drvdata(pdev, nbpf); + + ret = clk_prepare_enable(nbpf->clk); + if (ret < 0) + return ret; + + nbpf_configure(nbpf); + + ret = dma_async_device_register(dma_dev); + if (ret < 0) + goto e_clk_off; + + ret = of_dma_controller_register(np, nbpf_of_xlate, nbpf); + if (ret < 0) + goto e_dma_dev_unreg; + + return 0; + +e_dma_dev_unreg: + dma_async_device_unregister(dma_dev); +e_clk_off: + clk_disable_unprepare(nbpf->clk); + + return ret; +} + +static int nbpf_remove(struct platform_device *pdev) +{ + struct nbpf_device *nbpf = platform_get_drvdata(pdev); + + of_dma_controller_free(pdev->dev.of_node); + dma_async_device_unregister(&nbpf->dma_dev); + clk_disable_unprepare(nbpf->clk); + + return 0; +} + +static struct platform_device_id nbpf_ids[] = { + {"nbpfaxi64dmac1b4", (kernel_ulong_t)&nbpf_cfg[NBPF1B4]}, + {"nbpfaxi64dmac1b8", (kernel_ulong_t)&nbpf_cfg[NBPF1B8]}, + {"nbpfaxi64dmac1b16", (kernel_ulong_t)&nbpf_cfg[NBPF1B16]}, + {"nbpfaxi64dmac4b4", (kernel_ulong_t)&nbpf_cfg[NBPF4B4]}, + {"nbpfaxi64dmac4b8", (kernel_ulong_t)&nbpf_cfg[NBPF4B8]}, + {"nbpfaxi64dmac4b16", (kernel_ulong_t)&nbpf_cfg[NBPF4B16]}, + {"nbpfaxi64dmac8b4", (kernel_ulong_t)&nbpf_cfg[NBPF8B4]}, + {"nbpfaxi64dmac8b8", (kernel_ulong_t)&nbpf_cfg[NBPF8B8]}, + {"nbpfaxi64dmac8b16", (kernel_ulong_t)&nbpf_cfg[NBPF8B16]}, + {}, +}; +MODULE_DEVICE_TABLE(platform, nbpf_ids); + +#ifdef CONFIG_PM_RUNTIME +static int nbpf_runtime_suspend(struct device *dev) +{ + struct nbpf_device *nbpf = platform_get_drvdata(to_platform_device(dev)); + clk_disable_unprepare(nbpf->clk); + return 0; +} + +static int nbpf_runtime_resume(struct device *dev) +{ + struct nbpf_device *nbpf = platform_get_drvdata(to_platform_device(dev)); + return clk_prepare_enable(nbpf->clk); +} +#endif + +static const struct dev_pm_ops nbpf_pm_ops = { + SET_RUNTIME_PM_OPS(nbpf_runtime_suspend, nbpf_runtime_resume, NULL) +}; + +static struct platform_driver nbpf_driver = { + .driver = { + .owner = THIS_MODULE, + .name = "dma-nbpf", + .of_match_table = nbpf_match, + .pm = &nbpf_pm_ops, + }, + .id_table = nbpf_ids, + .probe = nbpf_probe, + .remove = nbpf_remove, +}; + +module_platform_driver(nbpf_driver); + +MODULE_AUTHOR("Guennadi Liakhovetski <g.liakhovetski@gmx.de>"); +MODULE_DESCRIPTION("dmaengine driver for NBPFAXI64* DMACs"); +MODULE_LICENSE("GPL v2"); diff --git a/drivers/dma/of-dma.c b/drivers/dma/of-dma.c index e8fe9dc455f4..d5fbeaa1e7ba 100644 --- a/drivers/dma/of-dma.c +++ b/drivers/dma/of-dma.c @@ -218,3 +218,38 @@ struct dma_chan *of_dma_simple_xlate(struct of_phandle_args *dma_spec, &dma_spec->args[0]); } EXPORT_SYMBOL_GPL(of_dma_simple_xlate); + +/** + * of_dma_xlate_by_chan_id - Translate dt property to DMA channel by channel id + * @dma_spec: pointer to DMA specifier as found in the device tree + * @of_dma: pointer to DMA controller data + * + * This function can be used as the of xlate callback for DMA driver which wants + * to match the channel based on the channel id. When using this xlate function + * the #dma-cells propety of the DMA controller dt node needs to be set to 1. + * The data parameter of of_dma_controller_register must be a pointer to the + * dma_device struct the function should match upon. + * + * Returns pointer to appropriate dma channel on success or NULL on error. + */ +struct dma_chan *of_dma_xlate_by_chan_id(struct of_phandle_args *dma_spec, + struct of_dma *ofdma) +{ + struct dma_device *dev = ofdma->of_dma_data; + struct dma_chan *chan, *candidate = NULL; + + if (!dev || dma_spec->args_count != 1) + return NULL; + + list_for_each_entry(chan, &dev->channels, device_node) + if (chan->chan_id == dma_spec->args[0]) { + candidate = chan; + break; + } + + if (!candidate) + return NULL; + + return dma_get_slave_channel(candidate); +} +EXPORT_SYMBOL_GPL(of_dma_xlate_by_chan_id); diff --git a/drivers/dma/omap-dma.c b/drivers/dma/omap-dma.c index b19f04f4390b..4cf7d9a950d7 100644 --- a/drivers/dma/omap-dma.c +++ b/drivers/dma/omap-dma.c @@ -853,8 +853,7 @@ static struct dma_async_tx_descriptor *omap_dma_prep_slave_sg( static struct dma_async_tx_descriptor *omap_dma_prep_dma_cyclic( struct dma_chan *chan, dma_addr_t buf_addr, size_t buf_len, - size_t period_len, enum dma_transfer_direction dir, unsigned long flags, - void *context) + size_t period_len, enum dma_transfer_direction dir, unsigned long flags) { struct omap_dmadev *od = to_omap_dma_dev(chan->device); struct omap_chan *c = to_omap_dma_chan(chan); diff --git a/drivers/dma/pl330.c b/drivers/dma/pl330.c index 73fa9b7a10ab..d5149aacd2fe 100644 --- a/drivers/dma/pl330.c +++ b/drivers/dma/pl330.c @@ -33,26 +33,15 @@ #define PL330_MAX_IRQS 32 #define PL330_MAX_PERI 32 -enum pl330_srccachectrl { - SCCTRL0, /* Noncacheable and nonbufferable */ - SCCTRL1, /* Bufferable only */ - SCCTRL2, /* Cacheable, but do not allocate */ - SCCTRL3, /* Cacheable and bufferable, but do not allocate */ - SINVALID1, - SINVALID2, - SCCTRL6, /* Cacheable write-through, allocate on reads only */ - SCCTRL7, /* Cacheable write-back, allocate on reads only */ -}; - -enum pl330_dstcachectrl { - DCCTRL0, /* Noncacheable and nonbufferable */ - DCCTRL1, /* Bufferable only */ - DCCTRL2, /* Cacheable, but do not allocate */ - DCCTRL3, /* Cacheable and bufferable, but do not allocate */ - DINVALID1, /* AWCACHE = 0x1000 */ - DINVALID2, - DCCTRL6, /* Cacheable write-through, allocate on writes only */ - DCCTRL7, /* Cacheable write-back, allocate on writes only */ +enum pl330_cachectrl { + CCTRL0, /* Noncacheable and nonbufferable */ + CCTRL1, /* Bufferable only */ + CCTRL2, /* Cacheable, but do not allocate */ + CCTRL3, /* Cacheable and bufferable, but do not allocate */ + INVALID1, /* AWCACHE = 0x1000 */ + INVALID2, + CCTRL6, /* Cacheable write-through, allocate on writes only */ + CCTRL7, /* Cacheable write-back, allocate on writes only */ }; enum pl330_byteswap { @@ -63,13 +52,6 @@ enum pl330_byteswap { SWAP_16, }; -enum pl330_reqtype { - MEMTOMEM, - MEMTODEV, - DEVTOMEM, - DEVTODEV, -}; - /* Register and Bit field Definitions */ #define DS 0x0 #define DS_ST_STOP 0x0 @@ -263,9 +245,6 @@ enum pl330_reqtype { */ #define MCODE_BUFF_PER_REQ 256 -/* If the _pl330_req is available to the client */ -#define IS_FREE(req) (*((u8 *)((req)->mc_cpu)) == CMD_DMAEND) - /* Use this _only_ to wait on transient states */ #define UNTIL(t, s) while (!(_state(t) & (s))) cpu_relax(); @@ -300,27 +279,6 @@ struct pl330_config { u32 irq_ns; }; -/* Handle to the DMAC provided to the PL330 core */ -struct pl330_info { - /* Owning device */ - struct device *dev; - /* Size of MicroCode buffers for each channel. */ - unsigned mcbufsz; - /* ioremap'ed address of PL330 registers. */ - void __iomem *base; - /* Client can freely use it. */ - void *client_data; - /* PL330 core data, Client must not touch it. */ - void *pl330_data; - /* Populated by the PL330 core driver during pl330_add */ - struct pl330_config pcfg; - /* - * If the DMAC has some reset mechanism, then the - * client may want to provide pointer to the method. - */ - void (*dmac_reset)(struct pl330_info *pi); -}; - /** * Request Configuration. * The PL330 core does not modify this and uses the last @@ -344,8 +302,8 @@ struct pl330_reqcfg { unsigned brst_len:5; unsigned brst_size:3; /* in power of 2 */ - enum pl330_dstcachectrl dcctl; - enum pl330_srccachectrl scctl; + enum pl330_cachectrl dcctl; + enum pl330_cachectrl scctl; enum pl330_byteswap swap; struct pl330_config *pcfg; }; @@ -359,11 +317,6 @@ struct pl330_xfer { u32 dst_addr; /* Size to xfer */ u32 bytes; - /* - * Pointer to next xfer in the list. - * The last xfer in the req must point to NULL. - */ - struct pl330_xfer *next; }; /* The xfer callbacks are made with one of these arguments. */ @@ -376,67 +329,6 @@ enum pl330_op_err { PL330_ERR_FAIL, }; -/* A request defining Scatter-Gather List ending with NULL xfer. */ -struct pl330_req { - enum pl330_reqtype rqtype; - /* Index of peripheral for the xfer. */ - unsigned peri:5; - /* Unique token for this xfer, set by the client. */ - void *token; - /* Callback to be called after xfer. */ - void (*xfer_cb)(void *token, enum pl330_op_err err); - /* If NULL, req will be done at last set parameters. */ - struct pl330_reqcfg *cfg; - /* Pointer to first xfer in the request. */ - struct pl330_xfer *x; - /* Hook to attach to DMAC's list of reqs with due callback */ - struct list_head rqd; -}; - -/* - * To know the status of the channel and DMAC, the client - * provides a pointer to this structure. The PL330 core - * fills it with current information. - */ -struct pl330_chanstatus { - /* - * If the DMAC engine halted due to some error, - * the client should remove-add DMAC. - */ - bool dmac_halted; - /* - * If channel is halted due to some error, - * the client should ABORT/FLUSH and START the channel. - */ - bool faulting; - /* Location of last load */ - u32 src_addr; - /* Location of last store */ - u32 dst_addr; - /* - * Pointer to the currently active req, NULL if channel is - * inactive, even though the requests may be present. - */ - struct pl330_req *top_req; - /* Pointer to req waiting second in the queue if any. */ - struct pl330_req *wait_req; -}; - -enum pl330_chan_op { - /* Start the channel */ - PL330_OP_START, - /* Abort the active xfer */ - PL330_OP_ABORT, - /* Stop xfer and flush queue */ - PL330_OP_FLUSH, -}; - -struct _xfer_spec { - u32 ccr; - struct pl330_req *r; - struct pl330_xfer *x; -}; - enum dmamov_dst { SAR = 0, CCR, @@ -454,12 +346,12 @@ enum pl330_cond { ALWAYS, }; +struct dma_pl330_desc; + struct _pl330_req { u32 mc_bus; void *mc_cpu; - /* Number of bytes taken to setup MC for the req */ - u32 mc_len; - struct pl330_req *r; + struct dma_pl330_desc *desc; }; /* ToBeDone for tasklet */ @@ -491,30 +383,6 @@ enum pl330_dmac_state { DYING, }; -/* A DMAC */ -struct pl330_dmac { - spinlock_t lock; - /* Holds list of reqs with due callbacks */ - struct list_head req_done; - /* Pointer to platform specific stuff */ - struct pl330_info *pinfo; - /* Maximum possible events/irqs */ - int events[32]; - /* BUS address of MicroCode buffer */ - dma_addr_t mcode_bus; - /* CPU address of MicroCode buffer */ - void *mcode_cpu; - /* List of all Channel threads */ - struct pl330_thread *channels; - /* Pointer to the MANAGER thread */ - struct pl330_thread *manager; - /* To handle bad news in interrupt */ - struct tasklet_struct tasks; - struct _pl330_tbd dmac_tbd; - /* State of DMAC operation */ - enum pl330_dmac_state state; -}; - enum desc_status { /* In the DMAC pool */ FREE, @@ -555,15 +423,16 @@ struct dma_pl330_chan { * As the parent, this DMAC also provides descriptors * to the channel. */ - struct dma_pl330_dmac *dmac; + struct pl330_dmac *dmac; /* To protect channel manipulation */ spinlock_t lock; - /* Token of a hardware channel thread of PL330 DMAC - * NULL if the channel is available to be acquired. + /* + * Hardware channel thread of PL330 DMAC. NULL if the channel is + * available. */ - void *pl330_chid; + struct pl330_thread *thread; /* For D-to-M and M-to-D channels */ int burst_sz; /* the peripheral fifo width */ @@ -574,9 +443,7 @@ struct dma_pl330_chan { bool cyclic; }; -struct dma_pl330_dmac { - struct pl330_info pif; - +struct pl330_dmac { /* DMA-Engine Device */ struct dma_device ddma; @@ -588,6 +455,32 @@ struct dma_pl330_dmac { /* To protect desc_pool manipulation */ spinlock_t pool_lock; + /* Size of MicroCode buffers for each channel. */ + unsigned mcbufsz; + /* ioremap'ed address of PL330 registers. */ + void __iomem *base; + /* Populated by the PL330 core driver during pl330_add */ + struct pl330_config pcfg; + + spinlock_t lock; + /* Maximum possible events/irqs */ + int events[32]; + /* BUS address of MicroCode buffer */ + dma_addr_t mcode_bus; + /* CPU address of MicroCode buffer */ + void *mcode_cpu; + /* List of all Channel threads */ + struct pl330_thread *channels; + /* Pointer to the MANAGER thread */ + struct pl330_thread *manager; + /* To handle bad news in interrupt */ + struct tasklet_struct tasks; + struct _pl330_tbd dmac_tbd; + /* State of DMAC operation */ + enum pl330_dmac_state state; + /* Holds list of reqs with due callbacks */ + struct list_head req_done; + /* Peripheral channels connected to this DMAC */ unsigned int num_peripherals; struct dma_pl330_chan *peripherals; /* keep at end */ @@ -604,49 +497,43 @@ struct dma_pl330_desc { struct pl330_xfer px; struct pl330_reqcfg rqcfg; - struct pl330_req req; enum desc_status status; /* The channel which currently holds this desc */ struct dma_pl330_chan *pchan; + + enum dma_transfer_direction rqtype; + /* Index of peripheral for the xfer. */ + unsigned peri:5; + /* Hook to attach to DMAC's list of reqs with due callback */ + struct list_head rqd; }; -static inline void _callback(struct pl330_req *r, enum pl330_op_err err) -{ - if (r && r->xfer_cb) - r->xfer_cb(r->token, err); -} +struct _xfer_spec { + u32 ccr; + struct dma_pl330_desc *desc; +}; static inline bool _queue_empty(struct pl330_thread *thrd) { - return (IS_FREE(&thrd->req[0]) && IS_FREE(&thrd->req[1])) - ? true : false; + return thrd->req[0].desc == NULL && thrd->req[1].desc == NULL; } static inline bool _queue_full(struct pl330_thread *thrd) { - return (IS_FREE(&thrd->req[0]) || IS_FREE(&thrd->req[1])) - ? false : true; + return thrd->req[0].desc != NULL && thrd->req[1].desc != NULL; } static inline bool is_manager(struct pl330_thread *thrd) { - struct pl330_dmac *pl330 = thrd->dmac; - - /* MANAGER is indexed at the end */ - if (thrd->id == pl330->pinfo->pcfg.num_chan) - return true; - else - return false; + return thrd->dmac->manager == thrd; } /* If manager of the thread is in Non-Secure mode */ static inline bool _manager_ns(struct pl330_thread *thrd) { - struct pl330_dmac *pl330 = thrd->dmac; - - return (pl330->pinfo->pcfg.mode & DMAC_MODE_NS) ? true : false; + return (thrd->dmac->pcfg.mode & DMAC_MODE_NS) ? true : false; } static inline u32 get_revision(u32 periph_id) @@ -1004,7 +891,7 @@ static inline u32 _emit_GO(unsigned dry_run, u8 buf[], /* Returns Time-Out */ static bool _until_dmac_idle(struct pl330_thread *thrd) { - void __iomem *regs = thrd->dmac->pinfo->base; + void __iomem *regs = thrd->dmac->base; unsigned long loops = msecs_to_loops(5); do { @@ -1024,7 +911,7 @@ static bool _until_dmac_idle(struct pl330_thread *thrd) static inline void _execute_DBGINSN(struct pl330_thread *thrd, u8 insn[], bool as_manager) { - void __iomem *regs = thrd->dmac->pinfo->base; + void __iomem *regs = thrd->dmac->base; u32 val; val = (insn[0] << 16) | (insn[1] << 24); @@ -1039,7 +926,7 @@ static inline void _execute_DBGINSN(struct pl330_thread *thrd, /* If timed out due to halted state-machine */ if (_until_dmac_idle(thrd)) { - dev_err(thrd->dmac->pinfo->dev, "DMAC halted!\n"); + dev_err(thrd->dmac->ddma.dev, "DMAC halted!\n"); return; } @@ -1047,25 +934,9 @@ static inline void _execute_DBGINSN(struct pl330_thread *thrd, writel(0, regs + DBGCMD); } -/* - * Mark a _pl330_req as free. - * We do it by writing DMAEND as the first instruction - * because no valid request is going to have DMAEND as - * its first instruction to execute. - */ -static void mark_free(struct pl330_thread *thrd, int idx) -{ - struct _pl330_req *req = &thrd->req[idx]; - - _emit_END(0, req->mc_cpu); - req->mc_len = 0; - - thrd->req_running = -1; -} - static inline u32 _state(struct pl330_thread *thrd) { - void __iomem *regs = thrd->dmac->pinfo->base; + void __iomem *regs = thrd->dmac->base; u32 val; if (is_manager(thrd)) @@ -1123,7 +994,7 @@ static inline u32 _state(struct pl330_thread *thrd) static void _stop(struct pl330_thread *thrd) { - void __iomem *regs = thrd->dmac->pinfo->base; + void __iomem *regs = thrd->dmac->base; u8 insn[6] = {0, 0, 0, 0, 0, 0}; if (_state(thrd) == PL330_STATE_FAULT_COMPLETING) @@ -1146,9 +1017,9 @@ static void _stop(struct pl330_thread *thrd) /* Start doing req 'idx' of thread 'thrd' */ static bool _trigger(struct pl330_thread *thrd) { - void __iomem *regs = thrd->dmac->pinfo->base; + void __iomem *regs = thrd->dmac->base; struct _pl330_req *req; - struct pl330_req *r; + struct dma_pl330_desc *desc; struct _arg_GO go; unsigned ns; u8 insn[6] = {0, 0, 0, 0, 0, 0}; @@ -1159,32 +1030,27 @@ static bool _trigger(struct pl330_thread *thrd) return true; idx = 1 - thrd->lstenq; - if (!IS_FREE(&thrd->req[idx])) + if (thrd->req[idx].desc != NULL) { req = &thrd->req[idx]; - else { + } else { idx = thrd->lstenq; - if (!IS_FREE(&thrd->req[idx])) + if (thrd->req[idx].desc != NULL) req = &thrd->req[idx]; else req = NULL; } /* Return if no request */ - if (!req || !req->r) + if (!req) return true; - r = req->r; + desc = req->desc; - if (r->cfg) - ns = r->cfg->nonsecure ? 1 : 0; - else if (readl(regs + CS(thrd->id)) & CS_CNS) - ns = 1; - else - ns = 0; + ns = desc->rqcfg.nonsecure ? 1 : 0; /* See 'Abort Sources' point-4 at Page 2-25 */ if (_manager_ns(thrd) && !ns) - dev_info(thrd->dmac->pinfo->dev, "%s:%d Recipe for ABORT!\n", + dev_info(thrd->dmac->ddma.dev, "%s:%d Recipe for ABORT!\n", __func__, __LINE__); go.chan = thrd->id; @@ -1240,7 +1106,7 @@ static inline int _ldst_memtomem(unsigned dry_run, u8 buf[], const struct _xfer_spec *pxs, int cyc) { int off = 0; - struct pl330_config *pcfg = pxs->r->cfg->pcfg; + struct pl330_config *pcfg = pxs->desc->rqcfg.pcfg; /* check lock-up free version */ if (get_revision(pcfg->periph_id) >= PERIPH_REV_R1P0) { @@ -1266,10 +1132,10 @@ static inline int _ldst_devtomem(unsigned dry_run, u8 buf[], int off = 0; while (cyc--) { - off += _emit_WFP(dry_run, &buf[off], SINGLE, pxs->r->peri); - off += _emit_LDP(dry_run, &buf[off], SINGLE, pxs->r->peri); + off += _emit_WFP(dry_run, &buf[off], SINGLE, pxs->desc->peri); + off += _emit_LDP(dry_run, &buf[off], SINGLE, pxs->desc->peri); off += _emit_ST(dry_run, &buf[off], ALWAYS); - off += _emit_FLUSHP(dry_run, &buf[off], pxs->r->peri); + off += _emit_FLUSHP(dry_run, &buf[off], pxs->desc->peri); } return off; @@ -1281,10 +1147,10 @@ static inline int _ldst_memtodev(unsigned dry_run, u8 buf[], int off = 0; while (cyc--) { - off += _emit_WFP(dry_run, &buf[off], SINGLE, pxs->r->peri); + off += _emit_WFP(dry_run, &buf[off], SINGLE, pxs->desc->peri); off += _emit_LD(dry_run, &buf[off], ALWAYS); - off += _emit_STP(dry_run, &buf[off], SINGLE, pxs->r->peri); - off += _emit_FLUSHP(dry_run, &buf[off], pxs->r->peri); + off += _emit_STP(dry_run, &buf[off], SINGLE, pxs->desc->peri); + off += _emit_FLUSHP(dry_run, &buf[off], pxs->desc->peri); } return off; @@ -1295,14 +1161,14 @@ static int _bursts(unsigned dry_run, u8 buf[], { int off = 0; - switch (pxs->r->rqtype) { - case MEMTODEV: + switch (pxs->desc->rqtype) { + case DMA_MEM_TO_DEV: off += _ldst_memtodev(dry_run, &buf[off], pxs, cyc); break; - case DEVTOMEM: + case DMA_DEV_TO_MEM: off += _ldst_devtomem(dry_run, &buf[off], pxs, cyc); break; - case MEMTOMEM: + case DMA_MEM_TO_MEM: off += _ldst_memtomem(dry_run, &buf[off], pxs, cyc); break; default: @@ -1395,7 +1261,7 @@ static inline int _loop(unsigned dry_run, u8 buf[], static inline int _setup_loops(unsigned dry_run, u8 buf[], const struct _xfer_spec *pxs) { - struct pl330_xfer *x = pxs->x; + struct pl330_xfer *x = &pxs->desc->px; u32 ccr = pxs->ccr; unsigned long c, bursts = BYTE_TO_BURST(x->bytes, ccr); int off = 0; @@ -1412,7 +1278,7 @@ static inline int _setup_loops(unsigned dry_run, u8 buf[], static inline int _setup_xfer(unsigned dry_run, u8 buf[], const struct _xfer_spec *pxs) { - struct pl330_xfer *x = pxs->x; + struct pl330_xfer *x = &pxs->desc->px; int off = 0; /* DMAMOV SAR, x->src_addr */ @@ -1443,17 +1309,12 @@ static int _setup_req(unsigned dry_run, struct pl330_thread *thrd, /* DMAMOV CCR, ccr */ off += _emit_MOV(dry_run, &buf[off], CCR, pxs->ccr); - x = pxs->r->x; - do { - /* Error if xfer length is not aligned at burst size */ - if (x->bytes % (BRST_SIZE(pxs->ccr) * BRST_LEN(pxs->ccr))) - return -EINVAL; - - pxs->x = x; - off += _setup_xfer(dry_run, &buf[off], pxs); + x = &pxs->desc->px; + /* Error if xfer length is not aligned at burst size */ + if (x->bytes % (BRST_SIZE(pxs->ccr) * BRST_LEN(pxs->ccr))) + return -EINVAL; - x = x->next; - } while (x); + off += _setup_xfer(dry_run, &buf[off], pxs); /* DMASEV peripheral/event */ off += _emit_SEV(dry_run, &buf[off], thrd->ev); @@ -1495,31 +1356,15 @@ static inline u32 _prepare_ccr(const struct pl330_reqcfg *rqc) return ccr; } -static inline bool _is_valid(u32 ccr) -{ - enum pl330_dstcachectrl dcctl; - enum pl330_srccachectrl scctl; - - dcctl = (ccr >> CC_DSTCCTRL_SHFT) & CC_DRCCCTRL_MASK; - scctl = (ccr >> CC_SRCCCTRL_SHFT) & CC_SRCCCTRL_MASK; - - if (dcctl == DINVALID1 || dcctl == DINVALID2 - || scctl == SINVALID1 || scctl == SINVALID2) - return false; - else - return true; -} - /* * Submit a list of xfers after which the client wants notification. * Client is not notified after each xfer unit, just once after all * xfer units are done or some error occurs. */ -static int pl330_submit_req(void *ch_id, struct pl330_req *r) +static int pl330_submit_req(struct pl330_thread *thrd, + struct dma_pl330_desc *desc) { - struct pl330_thread *thrd = ch_id; - struct pl330_dmac *pl330; - struct pl330_info *pi; + struct pl330_dmac *pl330 = thrd->dmac; struct _xfer_spec xs; unsigned long flags; void __iomem *regs; @@ -1528,25 +1373,24 @@ static int pl330_submit_req(void *ch_id, struct pl330_req *r) int ret = 0; /* No Req or Unacquired Channel or DMAC */ - if (!r || !thrd || thrd->free) + if (!desc || !thrd || thrd->free) return -EINVAL; - pl330 = thrd->dmac; - pi = pl330->pinfo; - regs = pi->base; + regs = thrd->dmac->base; if (pl330->state == DYING || pl330->dmac_tbd.reset_chan & (1 << thrd->id)) { - dev_info(thrd->dmac->pinfo->dev, "%s:%d\n", + dev_info(thrd->dmac->ddma.dev, "%s:%d\n", __func__, __LINE__); return -EAGAIN; } /* If request for non-existing peripheral */ - if (r->rqtype != MEMTOMEM && r->peri >= pi->pcfg.num_peri) { - dev_info(thrd->dmac->pinfo->dev, + if (desc->rqtype != DMA_MEM_TO_MEM && + desc->peri >= pl330->pcfg.num_peri) { + dev_info(thrd->dmac->ddma.dev, "%s:%d Invalid peripheral(%u)!\n", - __func__, __LINE__, r->peri); + __func__, __LINE__, desc->peri); return -EINVAL; } @@ -1557,41 +1401,26 @@ static int pl330_submit_req(void *ch_id, struct pl330_req *r) goto xfer_exit; } + /* Prefer Secure Channel */ + if (!_manager_ns(thrd)) + desc->rqcfg.nonsecure = 0; + else + desc->rqcfg.nonsecure = 1; - /* Use last settings, if not provided */ - if (r->cfg) { - /* Prefer Secure Channel */ - if (!_manager_ns(thrd)) - r->cfg->nonsecure = 0; - else - r->cfg->nonsecure = 1; - - ccr = _prepare_ccr(r->cfg); - } else { - ccr = readl(regs + CC(thrd->id)); - } - - /* If this req doesn't have valid xfer settings */ - if (!_is_valid(ccr)) { - ret = -EINVAL; - dev_info(thrd->dmac->pinfo->dev, "%s:%d Invalid CCR(%x)!\n", - __func__, __LINE__, ccr); - goto xfer_exit; - } + ccr = _prepare_ccr(&desc->rqcfg); - idx = IS_FREE(&thrd->req[0]) ? 0 : 1; + idx = thrd->req[0].desc == NULL ? 0 : 1; xs.ccr = ccr; - xs.r = r; + xs.desc = desc; /* First dry run to check if req is acceptable */ ret = _setup_req(1, thrd, idx, &xs); if (ret < 0) goto xfer_exit; - if (ret > pi->mcbufsz / 2) { - dev_info(thrd->dmac->pinfo->dev, - "%s:%d Trying increasing mcbufsz\n", + if (ret > pl330->mcbufsz / 2) { + dev_info(pl330->ddma.dev, "%s:%d Trying increasing mcbufsz\n", __func__, __LINE__); ret = -ENOMEM; goto xfer_exit; @@ -1599,8 +1428,8 @@ static int pl330_submit_req(void *ch_id, struct pl330_req *r) /* Hook the request */ thrd->lstenq = idx; - thrd->req[idx].mc_len = _setup_req(0, thrd, idx, &xs); - thrd->req[idx].r = r; + thrd->req[idx].desc = desc; + _setup_req(0, thrd, idx, &xs); ret = 0; @@ -1610,10 +1439,32 @@ xfer_exit: return ret; } +static void dma_pl330_rqcb(struct dma_pl330_desc *desc, enum pl330_op_err err) +{ + struct dma_pl330_chan *pch; + unsigned long flags; + + if (!desc) + return; + + pch = desc->pchan; + + /* If desc aborted */ + if (!pch) + return; + + spin_lock_irqsave(&pch->lock, flags); + + desc->status = DONE; + + spin_unlock_irqrestore(&pch->lock, flags); + + tasklet_schedule(&pch->task); +} + static void pl330_dotask(unsigned long data) { struct pl330_dmac *pl330 = (struct pl330_dmac *) data; - struct pl330_info *pi = pl330->pinfo; unsigned long flags; int i; @@ -1631,16 +1482,16 @@ static void pl330_dotask(unsigned long data) if (pl330->dmac_tbd.reset_mngr) { _stop(pl330->manager); /* Reset all channels */ - pl330->dmac_tbd.reset_chan = (1 << pi->pcfg.num_chan) - 1; + pl330->dmac_tbd.reset_chan = (1 << pl330->pcfg.num_chan) - 1; /* Clear the reset flag */ pl330->dmac_tbd.reset_mngr = false; } - for (i = 0; i < pi->pcfg.num_chan; i++) { + for (i = 0; i < pl330->pcfg.num_chan; i++) { if (pl330->dmac_tbd.reset_chan & (1 << i)) { struct pl330_thread *thrd = &pl330->channels[i]; - void __iomem *regs = pi->base; + void __iomem *regs = pl330->base; enum pl330_op_err err; _stop(thrd); @@ -1651,16 +1502,13 @@ static void pl330_dotask(unsigned long data) err = PL330_ERR_ABORT; spin_unlock_irqrestore(&pl330->lock, flags); - - _callback(thrd->req[1 - thrd->lstenq].r, err); - _callback(thrd->req[thrd->lstenq].r, err); - + dma_pl330_rqcb(thrd->req[1 - thrd->lstenq].desc, err); + dma_pl330_rqcb(thrd->req[thrd->lstenq].desc, err); spin_lock_irqsave(&pl330->lock, flags); - thrd->req[0].r = NULL; - thrd->req[1].r = NULL; - mark_free(thrd, 0); - mark_free(thrd, 1); + thrd->req[0].desc = NULL; + thrd->req[1].desc = NULL; + thrd->req_running = -1; /* Clear the reset flag */ pl330->dmac_tbd.reset_chan &= ~(1 << i); @@ -1673,20 +1521,15 @@ static void pl330_dotask(unsigned long data) } /* Returns 1 if state was updated, 0 otherwise */ -static int pl330_update(const struct pl330_info *pi) +static int pl330_update(struct pl330_dmac *pl330) { - struct pl330_req *rqdone, *tmp; - struct pl330_dmac *pl330; + struct dma_pl330_desc *descdone, *tmp; unsigned long flags; void __iomem *regs; u32 val; int id, ev, ret = 0; - if (!pi || !pi->pl330_data) - return 0; - - regs = pi->base; - pl330 = pi->pl330_data; + regs = pl330->base; spin_lock_irqsave(&pl330->lock, flags); @@ -1696,13 +1539,13 @@ static int pl330_update(const struct pl330_info *pi) else pl330->dmac_tbd.reset_mngr = false; - val = readl(regs + FSC) & ((1 << pi->pcfg.num_chan) - 1); + val = readl(regs + FSC) & ((1 << pl330->pcfg.num_chan) - 1); pl330->dmac_tbd.reset_chan |= val; if (val) { int i = 0; - while (i < pi->pcfg.num_chan) { + while (i < pl330->pcfg.num_chan) { if (val & (1 << i)) { - dev_info(pi->dev, + dev_info(pl330->ddma.dev, "Reset Channel-%d\t CS-%x FTC-%x\n", i, readl(regs + CS(i)), readl(regs + FTC(i))); @@ -1714,15 +1557,16 @@ static int pl330_update(const struct pl330_info *pi) /* Check which event happened i.e, thread notified */ val = readl(regs + ES); - if (pi->pcfg.num_events < 32 - && val & ~((1 << pi->pcfg.num_events) - 1)) { + if (pl330->pcfg.num_events < 32 + && val & ~((1 << pl330->pcfg.num_events) - 1)) { pl330->dmac_tbd.reset_dmac = true; - dev_err(pi->dev, "%s:%d Unexpected!\n", __func__, __LINE__); + dev_err(pl330->ddma.dev, "%s:%d Unexpected!\n", __func__, + __LINE__); ret = 1; goto updt_exit; } - for (ev = 0; ev < pi->pcfg.num_events; ev++) { + for (ev = 0; ev < pl330->pcfg.num_events; ev++) { if (val & (1 << ev)) { /* Event occurred */ struct pl330_thread *thrd; u32 inten = readl(regs + INTEN); @@ -1743,25 +1587,22 @@ static int pl330_update(const struct pl330_info *pi) continue; /* Detach the req */ - rqdone = thrd->req[active].r; - thrd->req[active].r = NULL; - - mark_free(thrd, active); + descdone = thrd->req[active].desc; + thrd->req[active].desc = NULL; /* Get going again ASAP */ _start(thrd); /* For now, just make a list of callbacks to be done */ - list_add_tail(&rqdone->rqd, &pl330->req_done); + list_add_tail(&descdone->rqd, &pl330->req_done); } } /* Now that we are in no hurry, do the callbacks */ - list_for_each_entry_safe(rqdone, tmp, &pl330->req_done, rqd) { - list_del(&rqdone->rqd); - + list_for_each_entry_safe(descdone, tmp, &pl330->req_done, rqd) { + list_del(&descdone->rqd); spin_unlock_irqrestore(&pl330->lock, flags); - _callback(rqdone, PL330_ERR_NONE); + dma_pl330_rqcb(descdone, PL330_ERR_NONE); spin_lock_irqsave(&pl330->lock, flags); } @@ -1778,65 +1619,13 @@ updt_exit: return ret; } -static int pl330_chan_ctrl(void *ch_id, enum pl330_chan_op op) -{ - struct pl330_thread *thrd = ch_id; - struct pl330_dmac *pl330; - unsigned long flags; - int ret = 0, active; - - if (!thrd || thrd->free || thrd->dmac->state == DYING) - return -EINVAL; - - pl330 = thrd->dmac; - active = thrd->req_running; - - spin_lock_irqsave(&pl330->lock, flags); - - switch (op) { - case PL330_OP_FLUSH: - /* Make sure the channel is stopped */ - _stop(thrd); - - thrd->req[0].r = NULL; - thrd->req[1].r = NULL; - mark_free(thrd, 0); - mark_free(thrd, 1); - break; - - case PL330_OP_ABORT: - /* Make sure the channel is stopped */ - _stop(thrd); - - /* ABORT is only for the active req */ - if (active == -1) - break; - - thrd->req[active].r = NULL; - mark_free(thrd, active); - - /* Start the next */ - case PL330_OP_START: - if ((active == -1) && !_start(thrd)) - ret = -EIO; - break; - - default: - ret = -EINVAL; - } - - spin_unlock_irqrestore(&pl330->lock, flags); - return ret; -} - /* Reserve an event */ static inline int _alloc_event(struct pl330_thread *thrd) { struct pl330_dmac *pl330 = thrd->dmac; - struct pl330_info *pi = pl330->pinfo; int ev; - for (ev = 0; ev < pi->pcfg.num_events; ev++) + for (ev = 0; ev < pl330->pcfg.num_events; ev++) if (pl330->events[ev] == -1) { pl330->events[ev] = thrd->id; return ev; @@ -1845,45 +1634,38 @@ static inline int _alloc_event(struct pl330_thread *thrd) return -1; } -static bool _chan_ns(const struct pl330_info *pi, int i) +static bool _chan_ns(const struct pl330_dmac *pl330, int i) { - return pi->pcfg.irq_ns & (1 << i); + return pl330->pcfg.irq_ns & (1 << i); } /* Upon success, returns IdentityToken for the * allocated channel, NULL otherwise. */ -static void *pl330_request_channel(const struct pl330_info *pi) +static struct pl330_thread *pl330_request_channel(struct pl330_dmac *pl330) { struct pl330_thread *thrd = NULL; - struct pl330_dmac *pl330; unsigned long flags; int chans, i; - if (!pi || !pi->pl330_data) - return NULL; - - pl330 = pi->pl330_data; - if (pl330->state == DYING) return NULL; - chans = pi->pcfg.num_chan; + chans = pl330->pcfg.num_chan; spin_lock_irqsave(&pl330->lock, flags); for (i = 0; i < chans; i++) { thrd = &pl330->channels[i]; if ((thrd->free) && (!_manager_ns(thrd) || - _chan_ns(pi, i))) { + _chan_ns(pl330, i))) { thrd->ev = _alloc_event(thrd); if (thrd->ev >= 0) { thrd->free = false; thrd->lstenq = 1; - thrd->req[0].r = NULL; - mark_free(thrd, 0); - thrd->req[1].r = NULL; - mark_free(thrd, 1); + thrd->req[0].desc = NULL; + thrd->req[1].desc = NULL; + thrd->req_running = -1; break; } } @@ -1899,17 +1681,15 @@ static void *pl330_request_channel(const struct pl330_info *pi) static inline void _free_event(struct pl330_thread *thrd, int ev) { struct pl330_dmac *pl330 = thrd->dmac; - struct pl330_info *pi = pl330->pinfo; /* If the event is valid and was held by the thread */ - if (ev >= 0 && ev < pi->pcfg.num_events + if (ev >= 0 && ev < pl330->pcfg.num_events && pl330->events[ev] == thrd->id) pl330->events[ev] = -1; } -static void pl330_release_channel(void *ch_id) +static void pl330_release_channel(struct pl330_thread *thrd) { - struct pl330_thread *thrd = ch_id; struct pl330_dmac *pl330; unsigned long flags; @@ -1918,8 +1698,8 @@ static void pl330_release_channel(void *ch_id) _stop(thrd); - _callback(thrd->req[1 - thrd->lstenq].r, PL330_ERR_ABORT); - _callback(thrd->req[thrd->lstenq].r, PL330_ERR_ABORT); + dma_pl330_rqcb(thrd->req[1 - thrd->lstenq].desc, PL330_ERR_ABORT); + dma_pl330_rqcb(thrd->req[thrd->lstenq].desc, PL330_ERR_ABORT); pl330 = thrd->dmac; @@ -1932,72 +1712,70 @@ static void pl330_release_channel(void *ch_id) /* Initialize the structure for PL330 configuration, that can be used * by the client driver the make best use of the DMAC */ -static void read_dmac_config(struct pl330_info *pi) +static void read_dmac_config(struct pl330_dmac *pl330) { - void __iomem *regs = pi->base; + void __iomem *regs = pl330->base; u32 val; val = readl(regs + CRD) >> CRD_DATA_WIDTH_SHIFT; val &= CRD_DATA_WIDTH_MASK; - pi->pcfg.data_bus_width = 8 * (1 << val); + pl330->pcfg.data_bus_width = 8 * (1 << val); val = readl(regs + CRD) >> CRD_DATA_BUFF_SHIFT; val &= CRD_DATA_BUFF_MASK; - pi->pcfg.data_buf_dep = val + 1; + pl330->pcfg.data_buf_dep = val + 1; val = readl(regs + CR0) >> CR0_NUM_CHANS_SHIFT; val &= CR0_NUM_CHANS_MASK; val += 1; - pi->pcfg.num_chan = val; + pl330->pcfg.num_chan = val; val = readl(regs + CR0); if (val & CR0_PERIPH_REQ_SET) { val = (val >> CR0_NUM_PERIPH_SHIFT) & CR0_NUM_PERIPH_MASK; val += 1; - pi->pcfg.num_peri = val; - pi->pcfg.peri_ns = readl(regs + CR4); + pl330->pcfg.num_peri = val; + pl330->pcfg.peri_ns = readl(regs + CR4); } else { - pi->pcfg.num_peri = 0; + pl330->pcfg.num_peri = 0; } val = readl(regs + CR0); if (val & CR0_BOOT_MAN_NS) - pi->pcfg.mode |= DMAC_MODE_NS; + pl330->pcfg.mode |= DMAC_MODE_NS; else - pi->pcfg.mode &= ~DMAC_MODE_NS; + pl330->pcfg.mode &= ~DMAC_MODE_NS; val = readl(regs + CR0) >> CR0_NUM_EVENTS_SHIFT; val &= CR0_NUM_EVENTS_MASK; val += 1; - pi->pcfg.num_events = val; + pl330->pcfg.num_events = val; - pi->pcfg.irq_ns = readl(regs + CR3); + pl330->pcfg.irq_ns = readl(regs + CR3); } static inline void _reset_thread(struct pl330_thread *thrd) { struct pl330_dmac *pl330 = thrd->dmac; - struct pl330_info *pi = pl330->pinfo; thrd->req[0].mc_cpu = pl330->mcode_cpu - + (thrd->id * pi->mcbufsz); + + (thrd->id * pl330->mcbufsz); thrd->req[0].mc_bus = pl330->mcode_bus - + (thrd->id * pi->mcbufsz); - thrd->req[0].r = NULL; - mark_free(thrd, 0); + + (thrd->id * pl330->mcbufsz); + thrd->req[0].desc = NULL; thrd->req[1].mc_cpu = thrd->req[0].mc_cpu - + pi->mcbufsz / 2; + + pl330->mcbufsz / 2; thrd->req[1].mc_bus = thrd->req[0].mc_bus - + pi->mcbufsz / 2; - thrd->req[1].r = NULL; - mark_free(thrd, 1); + + pl330->mcbufsz / 2; + thrd->req[1].desc = NULL; + + thrd->req_running = -1; } static int dmac_alloc_threads(struct pl330_dmac *pl330) { - struct pl330_info *pi = pl330->pinfo; - int chans = pi->pcfg.num_chan; + int chans = pl330->pcfg.num_chan; struct pl330_thread *thrd; int i; @@ -2028,29 +1806,28 @@ static int dmac_alloc_threads(struct pl330_dmac *pl330) static int dmac_alloc_resources(struct pl330_dmac *pl330) { - struct pl330_info *pi = pl330->pinfo; - int chans = pi->pcfg.num_chan; + int chans = pl330->pcfg.num_chan; int ret; /* * Alloc MicroCode buffer for 'chans' Channel threads. * A channel's buffer offset is (Channel_Id * MCODE_BUFF_PERCHAN) */ - pl330->mcode_cpu = dma_alloc_coherent(pi->dev, - chans * pi->mcbufsz, + pl330->mcode_cpu = dma_alloc_coherent(pl330->ddma.dev, + chans * pl330->mcbufsz, &pl330->mcode_bus, GFP_KERNEL); if (!pl330->mcode_cpu) { - dev_err(pi->dev, "%s:%d Can't allocate memory!\n", + dev_err(pl330->ddma.dev, "%s:%d Can't allocate memory!\n", __func__, __LINE__); return -ENOMEM; } ret = dmac_alloc_threads(pl330); if (ret) { - dev_err(pi->dev, "%s:%d Can't to create channels for DMAC!\n", + dev_err(pl330->ddma.dev, "%s:%d Can't to create channels for DMAC!\n", __func__, __LINE__); - dma_free_coherent(pi->dev, - chans * pi->mcbufsz, + dma_free_coherent(pl330->ddma.dev, + chans * pl330->mcbufsz, pl330->mcode_cpu, pl330->mcode_bus); return ret; } @@ -2058,71 +1835,45 @@ static int dmac_alloc_resources(struct pl330_dmac *pl330) return 0; } -static int pl330_add(struct pl330_info *pi) +static int pl330_add(struct pl330_dmac *pl330) { - struct pl330_dmac *pl330; void __iomem *regs; int i, ret; - if (!pi || !pi->dev) - return -EINVAL; - - /* If already added */ - if (pi->pl330_data) - return -EINVAL; - - /* - * If the SoC can perform reset on the DMAC, then do it - * before reading its configuration. - */ - if (pi->dmac_reset) - pi->dmac_reset(pi); - - regs = pi->base; + regs = pl330->base; /* Check if we can handle this DMAC */ - if ((pi->pcfg.periph_id & 0xfffff) != PERIPH_ID_VAL) { - dev_err(pi->dev, "PERIPH_ID 0x%x !\n", pi->pcfg.periph_id); + if ((pl330->pcfg.periph_id & 0xfffff) != PERIPH_ID_VAL) { + dev_err(pl330->ddma.dev, "PERIPH_ID 0x%x !\n", + pl330->pcfg.periph_id); return -EINVAL; } /* Read the configuration of the DMAC */ - read_dmac_config(pi); + read_dmac_config(pl330); - if (pi->pcfg.num_events == 0) { - dev_err(pi->dev, "%s:%d Can't work without events!\n", + if (pl330->pcfg.num_events == 0) { + dev_err(pl330->ddma.dev, "%s:%d Can't work without events!\n", __func__, __LINE__); return -EINVAL; } - pl330 = kzalloc(sizeof(*pl330), GFP_KERNEL); - if (!pl330) { - dev_err(pi->dev, "%s:%d Can't allocate memory!\n", - __func__, __LINE__); - return -ENOMEM; - } - - /* Assign the info structure and private data */ - pl330->pinfo = pi; - pi->pl330_data = pl330; - spin_lock_init(&pl330->lock); INIT_LIST_HEAD(&pl330->req_done); /* Use default MC buffer size if not provided */ - if (!pi->mcbufsz) - pi->mcbufsz = MCODE_BUFF_PER_REQ * 2; + if (!pl330->mcbufsz) + pl330->mcbufsz = MCODE_BUFF_PER_REQ * 2; /* Mark all events as free */ - for (i = 0; i < pi->pcfg.num_events; i++) + for (i = 0; i < pl330->pcfg.num_events; i++) pl330->events[i] = -1; /* Allocate resources needed by the DMAC */ ret = dmac_alloc_resources(pl330); if (ret) { - dev_err(pi->dev, "Unable to create channels for DMAC\n"); - kfree(pl330); + dev_err(pl330->ddma.dev, "Unable to create channels for DMAC\n"); return ret; } @@ -2135,15 +1886,13 @@ static int pl330_add(struct pl330_info *pi) static int dmac_free_threads(struct pl330_dmac *pl330) { - struct pl330_info *pi = pl330->pinfo; - int chans = pi->pcfg.num_chan; struct pl330_thread *thrd; int i; /* Release Channel threads */ - for (i = 0; i < chans; i++) { + for (i = 0; i < pl330->pcfg.num_chan; i++) { thrd = &pl330->channels[i]; - pl330_release_channel((void *)thrd); + pl330_release_channel(thrd); } /* Free memory */ @@ -2152,35 +1901,18 @@ static int dmac_free_threads(struct pl330_dmac *pl330) return 0; } -static void dmac_free_resources(struct pl330_dmac *pl330) +static void pl330_del(struct pl330_dmac *pl330) { - struct pl330_info *pi = pl330->pinfo; - int chans = pi->pcfg.num_chan; - - dmac_free_threads(pl330); - - dma_free_coherent(pi->dev, chans * pi->mcbufsz, - pl330->mcode_cpu, pl330->mcode_bus); -} - -static void pl330_del(struct pl330_info *pi) -{ - struct pl330_dmac *pl330; - - if (!pi || !pi->pl330_data) - return; - - pl330 = pi->pl330_data; - pl330->state = UNINIT; tasklet_kill(&pl330->tasks); /* Free DMAC resources */ - dmac_free_resources(pl330); + dmac_free_threads(pl330); - kfree(pl330); - pi->pl330_data = NULL; + dma_free_coherent(pl330->ddma.dev, + pl330->pcfg.num_chan * pl330->mcbufsz, pl330->mcode_cpu, + pl330->mcode_bus); } /* forward declaration */ @@ -2212,8 +1944,7 @@ static inline void fill_queue(struct dma_pl330_chan *pch) if (desc->status == BUSY) continue; - ret = pl330_submit_req(pch->pl330_chid, - &desc->req); + ret = pl330_submit_req(pch->thread, desc); if (!ret) { desc->status = BUSY; } else if (ret == -EAGAIN) { @@ -2222,7 +1953,7 @@ static inline void fill_queue(struct dma_pl330_chan *pch) } else { /* Unacceptable request */ desc->status = DONE; - dev_err(pch->dmac->pif.dev, "%s:%d Bad Desc(%d)\n", + dev_err(pch->dmac->ddma.dev, "%s:%d Bad Desc(%d)\n", __func__, __LINE__, desc->txd.cookie); tasklet_schedule(&pch->task); } @@ -2249,7 +1980,9 @@ static void pl330_tasklet(unsigned long data) fill_queue(pch); /* Make sure the PL330 Channel thread is active */ - pl330_chan_ctrl(pch->pl330_chid, PL330_OP_START); + spin_lock(&pch->thread->dmac->lock); + _start(pch->thread); + spin_unlock(&pch->thread->dmac->lock); while (!list_empty(&pch->completed_list)) { dma_async_tx_callback callback; @@ -2280,25 +2013,6 @@ static void pl330_tasklet(unsigned long data) spin_unlock_irqrestore(&pch->lock, flags); } -static void dma_pl330_rqcb(void *token, enum pl330_op_err err) -{ - struct dma_pl330_desc *desc = token; - struct dma_pl330_chan *pch = desc->pchan; - unsigned long flags; - - /* If desc aborted */ - if (!pch) - return; - - spin_lock_irqsave(&pch->lock, flags); - - desc->status = DONE; - - spin_unlock_irqrestore(&pch->lock, flags); - - tasklet_schedule(&pch->task); -} - bool pl330_filter(struct dma_chan *chan, void *param) { u8 *peri_id; @@ -2315,23 +2029,26 @@ static struct dma_chan *of_dma_pl330_xlate(struct of_phandle_args *dma_spec, struct of_dma *ofdma) { int count = dma_spec->args_count; - struct dma_pl330_dmac *pdmac = ofdma->of_dma_data; + struct pl330_dmac *pl330 = ofdma->of_dma_data; unsigned int chan_id; + if (!pl330) + return NULL; + if (count != 1) return NULL; chan_id = dma_spec->args[0]; - if (chan_id >= pdmac->num_peripherals) + if (chan_id >= pl330->num_peripherals) return NULL; - return dma_get_slave_channel(&pdmac->peripherals[chan_id].chan); + return dma_get_slave_channel(&pl330->peripherals[chan_id].chan); } static int pl330_alloc_chan_resources(struct dma_chan *chan) { struct dma_pl330_chan *pch = to_pchan(chan); - struct dma_pl330_dmac *pdmac = pch->dmac; + struct pl330_dmac *pl330 = pch->dmac; unsigned long flags; spin_lock_irqsave(&pch->lock, flags); @@ -2339,8 +2056,8 @@ static int pl330_alloc_chan_resources(struct dma_chan *chan) dma_cookie_init(chan); pch->cyclic = false; - pch->pl330_chid = pl330_request_channel(&pdmac->pif); - if (!pch->pl330_chid) { + pch->thread = pl330_request_channel(pl330); + if (!pch->thread) { spin_unlock_irqrestore(&pch->lock, flags); return -ENOMEM; } @@ -2357,7 +2074,7 @@ static int pl330_control(struct dma_chan *chan, enum dma_ctrl_cmd cmd, unsigned struct dma_pl330_chan *pch = to_pchan(chan); struct dma_pl330_desc *desc; unsigned long flags; - struct dma_pl330_dmac *pdmac = pch->dmac; + struct pl330_dmac *pl330 = pch->dmac; struct dma_slave_config *slave_config; LIST_HEAD(list); @@ -2365,8 +2082,13 @@ static int pl330_control(struct dma_chan *chan, enum dma_ctrl_cmd cmd, unsigned case DMA_TERMINATE_ALL: spin_lock_irqsave(&pch->lock, flags); - /* FLUSH the PL330 Channel thread */ - pl330_chan_ctrl(pch->pl330_chid, PL330_OP_FLUSH); + spin_lock(&pl330->lock); + _stop(pch->thread); + spin_unlock(&pl330->lock); + + pch->thread->req[0].desc = NULL; + pch->thread->req[1].desc = NULL; + pch->thread->req_running = -1; /* Mark all desc done */ list_for_each_entry(desc, &pch->submitted_list, node) { @@ -2384,9 +2106,9 @@ static int pl330_control(struct dma_chan *chan, enum dma_ctrl_cmd cmd, unsigned dma_cookie_complete(&desc->txd); } - list_splice_tail_init(&pch->submitted_list, &pdmac->desc_pool); - list_splice_tail_init(&pch->work_list, &pdmac->desc_pool); - list_splice_tail_init(&pch->completed_list, &pdmac->desc_pool); + list_splice_tail_init(&pch->submitted_list, &pl330->desc_pool); + list_splice_tail_init(&pch->work_list, &pl330->desc_pool); + list_splice_tail_init(&pch->completed_list, &pl330->desc_pool); spin_unlock_irqrestore(&pch->lock, flags); break; case DMA_SLAVE_CONFIG: @@ -2409,7 +2131,7 @@ static int pl330_control(struct dma_chan *chan, enum dma_ctrl_cmd cmd, unsigned } break; default: - dev_err(pch->dmac->pif.dev, "Not supported command.\n"); + dev_err(pch->dmac->ddma.dev, "Not supported command.\n"); return -ENXIO; } @@ -2425,8 +2147,8 @@ static void pl330_free_chan_resources(struct dma_chan *chan) spin_lock_irqsave(&pch->lock, flags); - pl330_release_channel(pch->pl330_chid); - pch->pl330_chid = NULL; + pl330_release_channel(pch->thread); + pch->thread = NULL; if (pch->cyclic) list_splice_tail_init(&pch->work_list, &pch->dmac->desc_pool); @@ -2489,57 +2211,46 @@ static dma_cookie_t pl330_tx_submit(struct dma_async_tx_descriptor *tx) static inline void _init_desc(struct dma_pl330_desc *desc) { - desc->req.x = &desc->px; - desc->req.token = desc; desc->rqcfg.swap = SWAP_NO; - desc->rqcfg.scctl = SCCTRL0; - desc->rqcfg.dcctl = DCCTRL0; - desc->req.cfg = &desc->rqcfg; - desc->req.xfer_cb = dma_pl330_rqcb; + desc->rqcfg.scctl = CCTRL0; + desc->rqcfg.dcctl = CCTRL0; desc->txd.tx_submit = pl330_tx_submit; INIT_LIST_HEAD(&desc->node); } /* Returns the number of descriptors added to the DMAC pool */ -static int add_desc(struct dma_pl330_dmac *pdmac, gfp_t flg, int count) +static int add_desc(struct pl330_dmac *pl330, gfp_t flg, int count) { struct dma_pl330_desc *desc; unsigned long flags; int i; - if (!pdmac) - return 0; - desc = kcalloc(count, sizeof(*desc), flg); if (!desc) return 0; - spin_lock_irqsave(&pdmac->pool_lock, flags); + spin_lock_irqsave(&pl330->pool_lock, flags); for (i = 0; i < count; i++) { _init_desc(&desc[i]); - list_add_tail(&desc[i].node, &pdmac->desc_pool); + list_add_tail(&desc[i].node, &pl330->desc_pool); } - spin_unlock_irqrestore(&pdmac->pool_lock, flags); + spin_unlock_irqrestore(&pl330->pool_lock, flags); return count; } -static struct dma_pl330_desc * -pluck_desc(struct dma_pl330_dmac *pdmac) +static struct dma_pl330_desc *pluck_desc(struct pl330_dmac *pl330) { struct dma_pl330_desc *desc = NULL; unsigned long flags; - if (!pdmac) - return NULL; - - spin_lock_irqsave(&pdmac->pool_lock, flags); + spin_lock_irqsave(&pl330->pool_lock, flags); - if (!list_empty(&pdmac->desc_pool)) { - desc = list_entry(pdmac->desc_pool.next, + if (!list_empty(&pl330->desc_pool)) { + desc = list_entry(pl330->desc_pool.next, struct dma_pl330_desc, node); list_del_init(&desc->node); @@ -2548,29 +2259,29 @@ pluck_desc(struct dma_pl330_dmac *pdmac) desc->txd.callback = NULL; } - spin_unlock_irqrestore(&pdmac->pool_lock, flags); + spin_unlock_irqrestore(&pl330->pool_lock, flags); return desc; } static struct dma_pl330_desc *pl330_get_desc(struct dma_pl330_chan *pch) { - struct dma_pl330_dmac *pdmac = pch->dmac; + struct pl330_dmac *pl330 = pch->dmac; u8 *peri_id = pch->chan.private; struct dma_pl330_desc *desc; /* Pluck one desc from the pool of DMAC */ - desc = pluck_desc(pdmac); + desc = pluck_desc(pl330); /* If the DMAC pool is empty, alloc new */ if (!desc) { - if (!add_desc(pdmac, GFP_ATOMIC, 1)) + if (!add_desc(pl330, GFP_ATOMIC, 1)) return NULL; /* Try again */ - desc = pluck_desc(pdmac); + desc = pluck_desc(pl330); if (!desc) { - dev_err(pch->dmac->pif.dev, + dev_err(pch->dmac->ddma.dev, "%s:%d ALERT!\n", __func__, __LINE__); return NULL; } @@ -2581,8 +2292,8 @@ static struct dma_pl330_desc *pl330_get_desc(struct dma_pl330_chan *pch) desc->txd.cookie = 0; async_tx_ack(&desc->txd); - desc->req.peri = peri_id ? pch->chan.chan_id : 0; - desc->rqcfg.pcfg = &pch->dmac->pif.pcfg; + desc->peri = peri_id ? pch->chan.chan_id : 0; + desc->rqcfg.pcfg = &pch->dmac->pcfg; dma_async_tx_descriptor_init(&desc->txd, &pch->chan); @@ -2592,7 +2303,6 @@ static struct dma_pl330_desc *pl330_get_desc(struct dma_pl330_chan *pch) static inline void fill_px(struct pl330_xfer *px, dma_addr_t dst, dma_addr_t src, size_t len) { - px->next = NULL; px->bytes = len; px->dst_addr = dst; px->src_addr = src; @@ -2605,7 +2315,7 @@ __pl330_prep_dma_memcpy(struct dma_pl330_chan *pch, dma_addr_t dst, struct dma_pl330_desc *desc = pl330_get_desc(pch); if (!desc) { - dev_err(pch->dmac->pif.dev, "%s:%d Unable to fetch desc\n", + dev_err(pch->dmac->ddma.dev, "%s:%d Unable to fetch desc\n", __func__, __LINE__); return NULL; } @@ -2629,11 +2339,11 @@ __pl330_prep_dma_memcpy(struct dma_pl330_chan *pch, dma_addr_t dst, static inline int get_burst_len(struct dma_pl330_desc *desc, size_t len) { struct dma_pl330_chan *pch = desc->pchan; - struct pl330_info *pi = &pch->dmac->pif; + struct pl330_dmac *pl330 = pch->dmac; int burst_len; - burst_len = pi->pcfg.data_bus_width / 8; - burst_len *= pi->pcfg.data_buf_dep; + burst_len = pl330->pcfg.data_bus_width / 8; + burst_len *= pl330->pcfg.data_buf_dep; burst_len >>= desc->rqcfg.brst_size; /* src/dst_burst_len can't be more than 16 */ @@ -2652,11 +2362,11 @@ static inline int get_burst_len(struct dma_pl330_desc *desc, size_t len) static struct dma_async_tx_descriptor *pl330_prep_dma_cyclic( struct dma_chan *chan, dma_addr_t dma_addr, size_t len, size_t period_len, enum dma_transfer_direction direction, - unsigned long flags, void *context) + unsigned long flags) { struct dma_pl330_desc *desc = NULL, *first = NULL; struct dma_pl330_chan *pch = to_pchan(chan); - struct dma_pl330_dmac *pdmac = pch->dmac; + struct pl330_dmac *pl330 = pch->dmac; unsigned int i; dma_addr_t dst; dma_addr_t src; @@ -2665,7 +2375,7 @@ static struct dma_async_tx_descriptor *pl330_prep_dma_cyclic( return NULL; if (!is_slave_direction(direction)) { - dev_err(pch->dmac->pif.dev, "%s:%d Invalid dma direction\n", + dev_err(pch->dmac->ddma.dev, "%s:%d Invalid dma direction\n", __func__, __LINE__); return NULL; } @@ -2673,23 +2383,23 @@ static struct dma_async_tx_descriptor *pl330_prep_dma_cyclic( for (i = 0; i < len / period_len; i++) { desc = pl330_get_desc(pch); if (!desc) { - dev_err(pch->dmac->pif.dev, "%s:%d Unable to fetch desc\n", + dev_err(pch->dmac->ddma.dev, "%s:%d Unable to fetch desc\n", __func__, __LINE__); if (!first) return NULL; - spin_lock_irqsave(&pdmac->pool_lock, flags); + spin_lock_irqsave(&pl330->pool_lock, flags); while (!list_empty(&first->node)) { desc = list_entry(first->node.next, struct dma_pl330_desc, node); - list_move_tail(&desc->node, &pdmac->desc_pool); + list_move_tail(&desc->node, &pl330->desc_pool); } - list_move_tail(&first->node, &pdmac->desc_pool); + list_move_tail(&first->node, &pl330->desc_pool); - spin_unlock_irqrestore(&pdmac->pool_lock, flags); + spin_unlock_irqrestore(&pl330->pool_lock, flags); return NULL; } @@ -2698,14 +2408,12 @@ static struct dma_async_tx_descriptor *pl330_prep_dma_cyclic( case DMA_MEM_TO_DEV: desc->rqcfg.src_inc = 1; desc->rqcfg.dst_inc = 0; - desc->req.rqtype = MEMTODEV; src = dma_addr; dst = pch->fifo_addr; break; case DMA_DEV_TO_MEM: desc->rqcfg.src_inc = 0; desc->rqcfg.dst_inc = 1; - desc->req.rqtype = DEVTOMEM; src = pch->fifo_addr; dst = dma_addr; break; @@ -2713,6 +2421,7 @@ static struct dma_async_tx_descriptor *pl330_prep_dma_cyclic( break; } + desc->rqtype = direction; desc->rqcfg.brst_size = pch->burst_sz; desc->rqcfg.brst_len = 1; fill_px(&desc->px, dst, src, period_len); @@ -2740,24 +2449,22 @@ pl330_prep_dma_memcpy(struct dma_chan *chan, dma_addr_t dst, { struct dma_pl330_desc *desc; struct dma_pl330_chan *pch = to_pchan(chan); - struct pl330_info *pi; + struct pl330_dmac *pl330 = pch->dmac; int burst; if (unlikely(!pch || !len)) return NULL; - pi = &pch->dmac->pif; - desc = __pl330_prep_dma_memcpy(pch, dst, src, len); if (!desc) return NULL; desc->rqcfg.src_inc = 1; desc->rqcfg.dst_inc = 1; - desc->req.rqtype = MEMTOMEM; + desc->rqtype = DMA_MEM_TO_MEM; /* Select max possible burst size */ - burst = pi->pcfg.data_bus_width / 8; + burst = pl330->pcfg.data_bus_width / 8; while (burst > 1) { if (!(len % burst)) @@ -2776,7 +2483,7 @@ pl330_prep_dma_memcpy(struct dma_chan *chan, dma_addr_t dst, return &desc->txd; } -static void __pl330_giveback_desc(struct dma_pl330_dmac *pdmac, +static void __pl330_giveback_desc(struct pl330_dmac *pl330, struct dma_pl330_desc *first) { unsigned long flags; @@ -2785,17 +2492,17 @@ static void __pl330_giveback_desc(struct dma_pl330_dmac *pdmac, if (!first) return; - spin_lock_irqsave(&pdmac->pool_lock, flags); + spin_lock_irqsave(&pl330->pool_lock, flags); while (!list_empty(&first->node)) { desc = list_entry(first->node.next, struct dma_pl330_desc, node); - list_move_tail(&desc->node, &pdmac->desc_pool); + list_move_tail(&desc->node, &pl330->desc_pool); } - list_move_tail(&first->node, &pdmac->desc_pool); + list_move_tail(&first->node, &pl330->desc_pool); - spin_unlock_irqrestore(&pdmac->pool_lock, flags); + spin_unlock_irqrestore(&pl330->pool_lock, flags); } static struct dma_async_tx_descriptor * @@ -2820,12 +2527,12 @@ pl330_prep_slave_sg(struct dma_chan *chan, struct scatterlist *sgl, desc = pl330_get_desc(pch); if (!desc) { - struct dma_pl330_dmac *pdmac = pch->dmac; + struct pl330_dmac *pl330 = pch->dmac; - dev_err(pch->dmac->pif.dev, + dev_err(pch->dmac->ddma.dev, "%s:%d Unable to fetch desc\n", __func__, __LINE__); - __pl330_giveback_desc(pdmac, first); + __pl330_giveback_desc(pl330, first); return NULL; } @@ -2838,19 +2545,18 @@ pl330_prep_slave_sg(struct dma_chan *chan, struct scatterlist *sgl, if (direction == DMA_MEM_TO_DEV) { desc->rqcfg.src_inc = 1; desc->rqcfg.dst_inc = 0; - desc->req.rqtype = MEMTODEV; fill_px(&desc->px, addr, sg_dma_address(sg), sg_dma_len(sg)); } else { desc->rqcfg.src_inc = 0; desc->rqcfg.dst_inc = 1; - desc->req.rqtype = DEVTOMEM; fill_px(&desc->px, sg_dma_address(sg), addr, sg_dma_len(sg)); } desc->rqcfg.brst_size = pch->burst_sz; desc->rqcfg.brst_len = 1; + desc->rqtype = direction; } /* Return the last desc in the chain */ @@ -2890,9 +2596,9 @@ static int pl330_probe(struct amba_device *adev, const struct amba_id *id) { struct dma_pl330_platdata *pdat; - struct dma_pl330_dmac *pdmac; + struct pl330_config *pcfg; + struct pl330_dmac *pl330; struct dma_pl330_chan *pch, *_p; - struct pl330_info *pi; struct dma_device *pd; struct resource *res; int i, ret, irq; @@ -2905,30 +2611,27 @@ pl330_probe(struct amba_device *adev, const struct amba_id *id) return ret; /* Allocate a new DMAC and its Channels */ - pdmac = devm_kzalloc(&adev->dev, sizeof(*pdmac), GFP_KERNEL); - if (!pdmac) { + pl330 = devm_kzalloc(&adev->dev, sizeof(*pl330), GFP_KERNEL); + if (!pl330) { dev_err(&adev->dev, "unable to allocate mem\n"); return -ENOMEM; } - pi = &pdmac->pif; - pi->dev = &adev->dev; - pi->pl330_data = NULL; - pi->mcbufsz = pdat ? pdat->mcbuf_sz : 0; + pl330->mcbufsz = pdat ? pdat->mcbuf_sz : 0; res = &adev->res; - pi->base = devm_ioremap_resource(&adev->dev, res); - if (IS_ERR(pi->base)) - return PTR_ERR(pi->base); + pl330->base = devm_ioremap_resource(&adev->dev, res); + if (IS_ERR(pl330->base)) + return PTR_ERR(pl330->base); - amba_set_drvdata(adev, pdmac); + amba_set_drvdata(adev, pl330); for (i = 0; i < AMBA_NR_IRQS; i++) { irq = adev->irq[i]; if (irq) { ret = devm_request_irq(&adev->dev, irq, pl330_irq_handler, 0, - dev_name(&adev->dev), pi); + dev_name(&adev->dev), pl330); if (ret) return ret; } else { @@ -2936,38 +2639,40 @@ pl330_probe(struct amba_device *adev, const struct amba_id *id) } } - pi->pcfg.periph_id = adev->periphid; - ret = pl330_add(pi); + pcfg = &pl330->pcfg; + + pcfg->periph_id = adev->periphid; + ret = pl330_add(pl330); if (ret) return ret; - INIT_LIST_HEAD(&pdmac->desc_pool); - spin_lock_init(&pdmac->pool_lock); + INIT_LIST_HEAD(&pl330->desc_pool); + spin_lock_init(&pl330->pool_lock); /* Create a descriptor pool of default size */ - if (!add_desc(pdmac, GFP_KERNEL, NR_DEFAULT_DESC)) + if (!add_desc(pl330, GFP_KERNEL, NR_DEFAULT_DESC)) dev_warn(&adev->dev, "unable to allocate desc\n"); - pd = &pdmac->ddma; + pd = &pl330->ddma; INIT_LIST_HEAD(&pd->channels); /* Initialize channel parameters */ if (pdat) - num_chan = max_t(int, pdat->nr_valid_peri, pi->pcfg.num_chan); + num_chan = max_t(int, pdat->nr_valid_peri, pcfg->num_chan); else - num_chan = max_t(int, pi->pcfg.num_peri, pi->pcfg.num_chan); + num_chan = max_t(int, pcfg->num_peri, pcfg->num_chan); - pdmac->num_peripherals = num_chan; + pl330->num_peripherals = num_chan; - pdmac->peripherals = kzalloc(num_chan * sizeof(*pch), GFP_KERNEL); - if (!pdmac->peripherals) { + pl330->peripherals = kzalloc(num_chan * sizeof(*pch), GFP_KERNEL); + if (!pl330->peripherals) { ret = -ENOMEM; - dev_err(&adev->dev, "unable to allocate pdmac->peripherals\n"); + dev_err(&adev->dev, "unable to allocate pl330->peripherals\n"); goto probe_err2; } for (i = 0; i < num_chan; i++) { - pch = &pdmac->peripherals[i]; + pch = &pl330->peripherals[i]; if (!adev->dev.of_node) pch->chan.private = pdat ? &pdat->peri_id[i] : NULL; else @@ -2977,9 +2682,9 @@ pl330_probe(struct amba_device *adev, const struct amba_id *id) INIT_LIST_HEAD(&pch->work_list); INIT_LIST_HEAD(&pch->completed_list); spin_lock_init(&pch->lock); - pch->pl330_chid = NULL; + pch->thread = NULL; pch->chan.device = pd; - pch->dmac = pdmac; + pch->dmac = pl330; /* Add the channel to the DMAC list */ list_add_tail(&pch->chan.device_node, &pd->channels); @@ -2990,7 +2695,7 @@ pl330_probe(struct amba_device *adev, const struct amba_id *id) pd->cap_mask = pdat->cap_mask; } else { dma_cap_set(DMA_MEMCPY, pd->cap_mask); - if (pi->pcfg.num_peri) { + if (pcfg->num_peri) { dma_cap_set(DMA_SLAVE, pd->cap_mask); dma_cap_set(DMA_CYCLIC, pd->cap_mask); dma_cap_set(DMA_PRIVATE, pd->cap_mask); @@ -3015,14 +2720,14 @@ pl330_probe(struct amba_device *adev, const struct amba_id *id) if (adev->dev.of_node) { ret = of_dma_controller_register(adev->dev.of_node, - of_dma_pl330_xlate, pdmac); + of_dma_pl330_xlate, pl330); if (ret) { dev_err(&adev->dev, "unable to register DMA to the generic DT DMA helpers\n"); } } - adev->dev.dma_parms = &pdmac->dma_parms; + adev->dev.dma_parms = &pl330->dma_parms; /* * This is the limit for transfers with a buswidth of 1, larger @@ -3037,14 +2742,13 @@ pl330_probe(struct amba_device *adev, const struct amba_id *id) "Loaded driver for PL330 DMAC-%d\n", adev->periphid); dev_info(&adev->dev, "\tDBUFF-%ux%ubytes Num_Chans-%u Num_Peri-%u Num_Events-%u\n", - pi->pcfg.data_buf_dep, - pi->pcfg.data_bus_width / 8, pi->pcfg.num_chan, - pi->pcfg.num_peri, pi->pcfg.num_events); + pcfg->data_buf_dep, pcfg->data_bus_width / 8, pcfg->num_chan, + pcfg->num_peri, pcfg->num_events); return 0; probe_err3: /* Idle the DMAC */ - list_for_each_entry_safe(pch, _p, &pdmac->ddma.channels, + list_for_each_entry_safe(pch, _p, &pl330->ddma.channels, chan.device_node) { /* Remove the channel */ @@ -3055,27 +2759,23 @@ probe_err3: pl330_free_chan_resources(&pch->chan); } probe_err2: - pl330_del(pi); + pl330_del(pl330); return ret; } static int pl330_remove(struct amba_device *adev) { - struct dma_pl330_dmac *pdmac = amba_get_drvdata(adev); + struct pl330_dmac *pl330 = amba_get_drvdata(adev); struct dma_pl330_chan *pch, *_p; - struct pl330_info *pi; - - if (!pdmac) - return 0; if (adev->dev.of_node) of_dma_controller_free(adev->dev.of_node); - dma_async_device_unregister(&pdmac->ddma); + dma_async_device_unregister(&pl330->ddma); /* Idle the DMAC */ - list_for_each_entry_safe(pch, _p, &pdmac->ddma.channels, + list_for_each_entry_safe(pch, _p, &pl330->ddma.channels, chan.device_node) { /* Remove the channel */ @@ -3086,9 +2786,7 @@ static int pl330_remove(struct amba_device *adev) pl330_free_chan_resources(&pch->chan); } - pi = &pdmac->pif; - - pl330_del(pi); + pl330_del(pl330); return 0; } diff --git a/drivers/dma/qcom_bam_dma.c b/drivers/dma/qcom_bam_dma.c index 82c923146e49..7a4bbb0f80a5 100644 --- a/drivers/dma/qcom_bam_dma.c +++ b/drivers/dma/qcom_bam_dma.c @@ -61,12 +61,17 @@ struct bam_desc_hw { #define DESC_FLAG_INT BIT(15) #define DESC_FLAG_EOT BIT(14) #define DESC_FLAG_EOB BIT(13) +#define DESC_FLAG_NWD BIT(12) struct bam_async_desc { struct virt_dma_desc vd; u32 num_desc; u32 xfer_len; + + /* transaction flags, EOT|EOB|NWD */ + u16 flags; + struct bam_desc_hw *curr_desc; enum dma_transfer_direction dir; @@ -490,6 +495,14 @@ static struct dma_async_tx_descriptor *bam_prep_slave_sg(struct dma_chan *chan, if (!async_desc) goto err_out; + if (flags & DMA_PREP_FENCE) + async_desc->flags |= DESC_FLAG_NWD; + + if (flags & DMA_PREP_INTERRUPT) + async_desc->flags |= DESC_FLAG_EOT; + else + async_desc->flags |= DESC_FLAG_INT; + async_desc->num_desc = num_alloc; async_desc->curr_desc = async_desc->desc; async_desc->dir = direction; @@ -793,8 +806,11 @@ static void bam_start_dma(struct bam_chan *bchan) else async_desc->xfer_len = async_desc->num_desc; - /* set INT on last descriptor */ - desc[async_desc->xfer_len - 1].flags |= DESC_FLAG_INT; + /* set any special flags on the last descriptor */ + if (async_desc->num_desc == async_desc->xfer_len) + desc[async_desc->xfer_len - 1].flags = async_desc->flags; + else + desc[async_desc->xfer_len - 1].flags |= DESC_FLAG_INT; if (bchan->tail + async_desc->xfer_len > MAX_DESCRIPTORS) { u32 partial = MAX_DESCRIPTORS - bchan->tail; diff --git a/drivers/dma/s3c24xx-dma.c b/drivers/dma/s3c24xx-dma.c index 012520c9fd79..7416572d1e40 100644 --- a/drivers/dma/s3c24xx-dma.c +++ b/drivers/dma/s3c24xx-dma.c @@ -889,8 +889,7 @@ static struct dma_async_tx_descriptor *s3c24xx_dma_prep_memcpy( static struct dma_async_tx_descriptor *s3c24xx_dma_prep_dma_cyclic( struct dma_chan *chan, dma_addr_t addr, size_t size, size_t period, - enum dma_transfer_direction direction, unsigned long flags, - void *context) + enum dma_transfer_direction direction, unsigned long flags) { struct s3c24xx_dma_chan *s3cchan = to_s3c24xx_dma_chan(chan); struct s3c24xx_dma_engine *s3cdma = s3cchan->host; diff --git a/drivers/dma/sa11x0-dma.c b/drivers/dma/sa11x0-dma.c index 5ebdfbc1051e..4b0ef043729a 100644 --- a/drivers/dma/sa11x0-dma.c +++ b/drivers/dma/sa11x0-dma.c @@ -612,7 +612,7 @@ static struct dma_async_tx_descriptor *sa11x0_dma_prep_slave_sg( static struct dma_async_tx_descriptor *sa11x0_dma_prep_dma_cyclic( struct dma_chan *chan, dma_addr_t addr, size_t size, size_t period, - enum dma_transfer_direction dir, unsigned long flags, void *context) + enum dma_transfer_direction dir, unsigned long flags) { struct sa11x0_dma_chan *c = to_sa11x0_dma_chan(chan); struct sa11x0_dma_desc *txd; diff --git a/drivers/dma/sh/Kconfig b/drivers/dma/sh/Kconfig index 0f719816c91b..0349125a2e20 100644 --- a/drivers/dma/sh/Kconfig +++ b/drivers/dma/sh/Kconfig @@ -2,21 +2,39 @@ # DMA engine configuration for sh # +# +# DMA Engine Helpers +# + config SH_DMAE_BASE bool "Renesas SuperH DMA Engine support" - depends on (SUPERH && SH_DMA) || ARCH_SHMOBILE || COMPILE_TEST + depends on SUPERH || ARCH_SHMOBILE || COMPILE_TEST + depends on !SUPERH || SH_DMA depends on !SH_DMA_API default y select DMA_ENGINE help Enable support for the Renesas SuperH DMA controllers. +# +# DMA Controllers +# + config SH_DMAE tristate "Renesas SuperH DMAC support" depends on SH_DMAE_BASE help Enable support for the Renesas SuperH DMA controllers. +if SH_DMAE + +config SH_DMAE_R8A73A4 + def_bool y + depends on ARCH_R8A73A4 + depends on OF + +endif + config SUDMAC tristate "Renesas SUDMAC support" depends on SH_DMAE_BASE @@ -34,7 +52,3 @@ config RCAR_AUDMAC_PP depends on SH_DMAE_BASE help Enable support for the Renesas R-Car Audio DMAC Peripheral Peripheral controllers. - -config SHDMA_R8A73A4 - def_bool y - depends on ARCH_R8A73A4 && SH_DMAE != n diff --git a/drivers/dma/sh/Makefile b/drivers/dma/sh/Makefile index 1ce88b28cfc6..0a5cfdb76e45 100644 --- a/drivers/dma/sh/Makefile +++ b/drivers/dma/sh/Makefile @@ -1,10 +1,18 @@ +# +# DMA Engine Helpers +# + obj-$(CONFIG_SH_DMAE_BASE) += shdma-base.o shdma-of.o -obj-$(CONFIG_SH_DMAE) += shdma.o + +# +# DMA Controllers +# + shdma-y := shdmac.o -ifeq ($(CONFIG_OF),y) -shdma-$(CONFIG_SHDMA_R8A73A4) += shdma-r8a73a4.o -endif +shdma-$(CONFIG_SH_DMAE_R8A73A4) += shdma-r8a73a4.o shdma-objs := $(shdma-y) +obj-$(CONFIG_SH_DMAE) += shdma.o + obj-$(CONFIG_SUDMAC) += sudmac.o obj-$(CONFIG_RCAR_HPB_DMAE) += rcar-hpbdma.o obj-$(CONFIG_RCAR_AUDMAC_PP) += rcar-audmapp.o diff --git a/drivers/dma/sh/rcar-audmapp.c b/drivers/dma/sh/rcar-audmapp.c index 2de77289a2e9..dabbf0aba2e9 100644 --- a/drivers/dma/sh/rcar-audmapp.c +++ b/drivers/dma/sh/rcar-audmapp.c @@ -22,6 +22,7 @@ #include <linux/module.h> #include <linux/slab.h> #include <linux/dmaengine.h> +#include <linux/of_dma.h> #include <linux/platform_data/dma-rcar-audmapp.h> #include <linux/platform_device.h> #include <linux/shdma-base.h> @@ -45,8 +46,9 @@ struct audmapp_chan { struct shdma_chan shdma_chan; - struct audmapp_slave_config *config; void __iomem *base; + dma_addr_t slave_addr; + u32 chcr; }; struct audmapp_device { @@ -56,7 +58,16 @@ struct audmapp_device { void __iomem *chan_reg; }; +struct audmapp_desc { + struct shdma_desc shdma_desc; + dma_addr_t src; + dma_addr_t dst; +}; + +#define to_shdma_chan(c) container_of(c, struct shdma_chan, dma_chan) + #define to_chan(chan) container_of(chan, struct audmapp_chan, shdma_chan) +#define to_desc(sdesc) container_of(sdesc, struct audmapp_desc, shdma_desc) #define to_dev(chan) container_of(chan->shdma_chan.dma_chan.device, \ struct audmapp_device, shdma_dev.dma_dev) @@ -90,70 +101,82 @@ static void audmapp_halt(struct shdma_chan *schan) } static void audmapp_start_xfer(struct shdma_chan *schan, - struct shdma_desc *sdecs) + struct shdma_desc *sdesc) { struct audmapp_chan *auchan = to_chan(schan); struct audmapp_device *audev = to_dev(auchan); - struct audmapp_slave_config *cfg = auchan->config; + struct audmapp_desc *desc = to_desc(sdesc); struct device *dev = audev->dev; - u32 chcr = cfg->chcr | PDMACHCR_DE; + u32 chcr = auchan->chcr | PDMACHCR_DE; - dev_dbg(dev, "src/dst/chcr = %pad/%pad/%x\n", - &cfg->src, &cfg->dst, cfg->chcr); + dev_dbg(dev, "src/dst/chcr = %pad/%pad/%08x\n", + &desc->src, &desc->dst, chcr); - audmapp_write(auchan, cfg->src, PDMASAR); - audmapp_write(auchan, cfg->dst, PDMADAR); + audmapp_write(auchan, desc->src, PDMASAR); + audmapp_write(auchan, desc->dst, PDMADAR); audmapp_write(auchan, chcr, PDMACHCR); } -static struct audmapp_slave_config * -audmapp_find_slave(struct audmapp_chan *auchan, int slave_id) +static void audmapp_get_config(struct audmapp_chan *auchan, int slave_id, + u32 *chcr, dma_addr_t *dst) { struct audmapp_device *audev = to_dev(auchan); struct audmapp_pdata *pdata = audev->pdata; struct audmapp_slave_config *cfg; int i; + *chcr = 0; + *dst = 0; + + if (!pdata) { /* DT */ + *chcr = ((u32)slave_id) << 16; + auchan->shdma_chan.slave_id = (slave_id) >> 8; + return; + } + + /* non-DT */ + if (slave_id >= AUDMAPP_SLAVE_NUMBER) - return NULL; + return; for (i = 0, cfg = pdata->slave; i < pdata->slave_num; i++, cfg++) - if (cfg->slave_id == slave_id) - return cfg; - - return NULL; + if (cfg->slave_id == slave_id) { + *chcr = cfg->chcr; + *dst = cfg->dst; + break; + } } static int audmapp_set_slave(struct shdma_chan *schan, int slave_id, dma_addr_t slave_addr, bool try) { struct audmapp_chan *auchan = to_chan(schan); - struct audmapp_slave_config *cfg = - audmapp_find_slave(auchan, slave_id); + u32 chcr; + dma_addr_t dst; + + audmapp_get_config(auchan, slave_id, &chcr, &dst); - if (!cfg) - return -ENODEV; if (try) return 0; - auchan->config = cfg; + auchan->chcr = chcr; + auchan->slave_addr = slave_addr ? : dst; return 0; } static int audmapp_desc_setup(struct shdma_chan *schan, - struct shdma_desc *sdecs, + struct shdma_desc *sdesc, dma_addr_t src, dma_addr_t dst, size_t *len) { - struct audmapp_chan *auchan = to_chan(schan); - struct audmapp_slave_config *cfg = auchan->config; - - if (!cfg) - return -ENODEV; + struct audmapp_desc *desc = to_desc(sdesc); if (*len > (size_t)AUDMAPP_LEN_MAX) *len = (size_t)AUDMAPP_LEN_MAX; + desc->src = src; + desc->dst = dst; + return 0; } @@ -164,7 +187,9 @@ static void audmapp_setup_xfer(struct shdma_chan *schan, static dma_addr_t audmapp_slave_addr(struct shdma_chan *schan) { - return 0; /* always fixed address */ + struct audmapp_chan *auchan = to_chan(schan); + + return auchan->slave_addr; } static bool audmapp_channel_busy(struct shdma_chan *schan) @@ -183,7 +208,7 @@ static bool audmapp_desc_completed(struct shdma_chan *schan, static struct shdma_desc *audmapp_embedded_desc(void *buf, int i) { - return &((struct shdma_desc *)buf)[i]; + return &((struct audmapp_desc *)buf)[i].shdma_desc; } static const struct shdma_ops audmapp_shdma_ops = { @@ -234,16 +259,39 @@ static void audmapp_chan_remove(struct audmapp_device *audev) dma_dev->chancnt = 0; } +static struct dma_chan *audmapp_of_xlate(struct of_phandle_args *dma_spec, + struct of_dma *ofdma) +{ + dma_cap_mask_t mask; + struct dma_chan *chan; + u32 chcr = dma_spec->args[0]; + + if (dma_spec->args_count != 1) + return NULL; + + dma_cap_zero(mask); + dma_cap_set(DMA_SLAVE, mask); + + chan = dma_request_channel(mask, shdma_chan_filter, NULL); + if (chan) + to_shdma_chan(chan)->hw_req = chcr; + + return chan; +} + static int audmapp_probe(struct platform_device *pdev) { struct audmapp_pdata *pdata = pdev->dev.platform_data; + struct device_node *np = pdev->dev.of_node; struct audmapp_device *audev; struct shdma_dev *sdev; struct dma_device *dma_dev; struct resource *res; int err, i; - if (!pdata) + if (np) + of_dma_controller_register(np, audmapp_of_xlate, pdev); + else if (!pdata) return -ENODEV; res = platform_get_resource(pdev, IORESOURCE_MEM, 0); @@ -260,7 +308,7 @@ static int audmapp_probe(struct platform_device *pdev) sdev = &audev->shdma_dev; sdev->ops = &audmapp_shdma_ops; - sdev->desc_size = sizeof(struct shdma_desc); + sdev->desc_size = sizeof(struct audmapp_desc); dma_dev = &sdev->dma_dev; dma_dev->copy_align = LOG2_DEFAULT_XFER_SIZE; @@ -305,12 +353,18 @@ static int audmapp_remove(struct platform_device *pdev) return 0; } +static const struct of_device_id audmapp_of_match[] = { + { .compatible = "renesas,rcar-audmapp", }, + {}, +}; + static struct platform_driver audmapp_driver = { .probe = audmapp_probe, .remove = audmapp_remove, .driver = { .owner = THIS_MODULE, .name = "rcar-audmapp-engine", + .of_match_table = audmapp_of_match, }, }; module_platform_driver(audmapp_driver); diff --git a/drivers/dma/sh/shdma-arm.h b/drivers/dma/sh/shdma-arm.h index a2b8258426c9..a1b0ef45d6a2 100644 --- a/drivers/dma/sh/shdma-arm.h +++ b/drivers/dma/sh/shdma-arm.h @@ -45,7 +45,7 @@ enum { ((((i) & TS_LOW_BIT) << TS_LOW_SHIFT) |\ (((i) & TS_HI_BIT) << TS_HI_SHIFT)) -#define CHCR_TX(xmit_sz) (DM_FIX | SM_INC | 0x800 | TS_INDEX2VAL((xmit_sz))) -#define CHCR_RX(xmit_sz) (DM_INC | SM_FIX | 0x800 | TS_INDEX2VAL((xmit_sz))) +#define CHCR_TX(xmit_sz) (DM_FIX | SM_INC | RS_ERS | TS_INDEX2VAL((xmit_sz))) +#define CHCR_RX(xmit_sz) (DM_INC | SM_FIX | RS_ERS | TS_INDEX2VAL((xmit_sz))) #endif diff --git a/drivers/dma/sh/shdma-base.c b/drivers/dma/sh/shdma-base.c index b35007e21e6b..42d497416196 100644 --- a/drivers/dma/sh/shdma-base.c +++ b/drivers/dma/sh/shdma-base.c @@ -206,45 +206,6 @@ static int shdma_setup_slave(struct shdma_chan *schan, int slave_id, return 0; } -/* - * This is the standard shdma filter function to be used as a replacement to the - * "old" method, using the .private pointer. If for some reason you allocate a - * channel without slave data, use something like ERR_PTR(-EINVAL) as a filter - * parameter. If this filter is used, the slave driver, after calling - * dma_request_channel(), will also have to call dmaengine_slave_config() with - * .slave_id, .direction, and either .src_addr or .dst_addr set. - * NOTE: this filter doesn't support multiple DMAC drivers with the DMA_SLAVE - * capability! If this becomes a requirement, hardware glue drivers, using this - * services would have to provide their own filters, which first would check - * the device driver, similar to how other DMAC drivers, e.g., sa11x0-dma.c, do - * this, and only then, in case of a match, call this common filter. - * NOTE 2: This filter function is also used in the DT case by shdma_of_xlate(). - * In that case the MID-RID value is used for slave channel filtering and is - * passed to this function in the "arg" parameter. - */ -bool shdma_chan_filter(struct dma_chan *chan, void *arg) -{ - struct shdma_chan *schan = to_shdma_chan(chan); - struct shdma_dev *sdev = to_shdma_dev(schan->dma_chan.device); - const struct shdma_ops *ops = sdev->ops; - int match = (long)arg; - int ret; - - if (match < 0) - /* No slave requested - arbitrary channel */ - return true; - - if (!schan->dev->of_node && match >= slave_num) - return false; - - ret = ops->set_slave(schan, match, 0, true); - if (ret < 0) - return false; - - return true; -} -EXPORT_SYMBOL(shdma_chan_filter); - static int shdma_alloc_chan_resources(struct dma_chan *chan) { struct shdma_chan *schan = to_shdma_chan(chan); @@ -295,6 +256,51 @@ esetslave: return ret; } +/* + * This is the standard shdma filter function to be used as a replacement to the + * "old" method, using the .private pointer. If for some reason you allocate a + * channel without slave data, use something like ERR_PTR(-EINVAL) as a filter + * parameter. If this filter is used, the slave driver, after calling + * dma_request_channel(), will also have to call dmaengine_slave_config() with + * .slave_id, .direction, and either .src_addr or .dst_addr set. + * NOTE: this filter doesn't support multiple DMAC drivers with the DMA_SLAVE + * capability! If this becomes a requirement, hardware glue drivers, using this + * services would have to provide their own filters, which first would check + * the device driver, similar to how other DMAC drivers, e.g., sa11x0-dma.c, do + * this, and only then, in case of a match, call this common filter. + * NOTE 2: This filter function is also used in the DT case by shdma_of_xlate(). + * In that case the MID-RID value is used for slave channel filtering and is + * passed to this function in the "arg" parameter. + */ +bool shdma_chan_filter(struct dma_chan *chan, void *arg) +{ + struct shdma_chan *schan; + struct shdma_dev *sdev; + int match = (long)arg; + int ret; + + /* Only support channels handled by this driver. */ + if (chan->device->device_alloc_chan_resources != + shdma_alloc_chan_resources) + return false; + + if (match < 0) + /* No slave requested - arbitrary channel */ + return true; + + schan = to_shdma_chan(chan); + if (!schan->dev->of_node && match >= slave_num) + return false; + + sdev = to_shdma_dev(schan->dma_chan.device); + ret = sdev->ops->set_slave(schan, match, 0, true); + if (ret < 0) + return false; + + return true; +} +EXPORT_SYMBOL(shdma_chan_filter); + static dma_async_tx_callback __ld_cleanup(struct shdma_chan *schan, bool all) { struct shdma_desc *desc, *_desc; @@ -662,15 +668,16 @@ static struct dma_async_tx_descriptor *shdma_prep_slave_sg( static struct dma_async_tx_descriptor *shdma_prep_dma_cyclic( struct dma_chan *chan, dma_addr_t buf_addr, size_t buf_len, size_t period_len, enum dma_transfer_direction direction, - unsigned long flags, void *context) + unsigned long flags) { struct shdma_chan *schan = to_shdma_chan(chan); struct shdma_dev *sdev = to_shdma_dev(schan->dma_chan.device); + struct dma_async_tx_descriptor *desc; const struct shdma_ops *ops = sdev->ops; unsigned int sg_len = buf_len / period_len; int slave_id = schan->slave_id; dma_addr_t slave_addr; - struct scatterlist sgl[SHDMA_MAX_SG_LEN]; + struct scatterlist *sgl; int i; if (!chan) @@ -694,7 +701,16 @@ static struct dma_async_tx_descriptor *shdma_prep_dma_cyclic( slave_addr = ops->slave_addr(schan); + /* + * Allocate the sg list dynamically as it would consumer too much stack + * space. + */ + sgl = kcalloc(sg_len, sizeof(*sgl), GFP_KERNEL); + if (!sgl) + return NULL; + sg_init_table(sgl, sg_len); + for (i = 0; i < sg_len; i++) { dma_addr_t src = buf_addr + (period_len * i); @@ -704,8 +720,11 @@ static struct dma_async_tx_descriptor *shdma_prep_dma_cyclic( sg_dma_len(&sgl[i]) = period_len; } - return shdma_prep_sg(schan, sgl, sg_len, &slave_addr, + desc = shdma_prep_sg(schan, sgl, sg_len, &slave_addr, direction, flags, true); + + kfree(sgl); + return desc; } static int shdma_control(struct dma_chan *chan, enum dma_ctrl_cmd cmd, diff --git a/drivers/dma/sh/shdma.h b/drivers/dma/sh/shdma.h index 758a57b51875..2c0a969adc9f 100644 --- a/drivers/dma/sh/shdma.h +++ b/drivers/dma/sh/shdma.h @@ -62,7 +62,7 @@ struct sh_dmae_desc { #define to_sh_dev(chan) container_of(chan->shdma_chan.dma_chan.device,\ struct sh_dmae_device, shdma_dev.dma_dev) -#ifdef CONFIG_SHDMA_R8A73A4 +#ifdef CONFIG_SH_DMAE_R8A73A4 extern const struct sh_dmae_pdata r8a73a4_dma_pdata; #define r8a73a4_shdma_devid (&r8a73a4_dma_pdata) #else diff --git a/drivers/dma/sh/shdmac.c b/drivers/dma/sh/shdmac.c index 146d5df926db..58eb85770eba 100644 --- a/drivers/dma/sh/shdmac.c +++ b/drivers/dma/sh/shdmac.c @@ -38,12 +38,12 @@ #include "../dmaengine.h" #include "shdma.h" -/* DMA register */ -#define SAR 0x00 -#define DAR 0x04 -#define TCR 0x08 -#define CHCR 0x0C -#define DMAOR 0x40 +/* DMA registers */ +#define SAR 0x00 /* Source Address Register */ +#define DAR 0x04 /* Destination Address Register */ +#define TCR 0x08 /* Transfer Count Register */ +#define CHCR 0x0C /* Channel Control Register */ +#define DMAOR 0x40 /* DMA Operation Register */ #define TEND 0x18 /* USB-DMAC */ @@ -239,9 +239,8 @@ static void dmae_init(struct sh_dmae_chan *sh_chan) { /* * Default configuration for dual address memory-memory transfer. - * 0x400 represents auto-request. */ - u32 chcr = DM_INC | SM_INC | 0x400 | log2size_to_chcr(sh_chan, + u32 chcr = DM_INC | SM_INC | RS_AUTO | log2size_to_chcr(sh_chan, LOG2_DEFAULT_XFER_SIZE); sh_chan->xmit_shift = calc_xmit_shift(sh_chan, chcr); chcr_write(sh_chan, chcr); diff --git a/drivers/dma/sirf-dma.c b/drivers/dma/sirf-dma.c index 03f7820fa333..aac03ab10c54 100644 --- a/drivers/dma/sirf-dma.c +++ b/drivers/dma/sirf-dma.c @@ -580,7 +580,7 @@ err_dir: static struct dma_async_tx_descriptor * sirfsoc_dma_prep_cyclic(struct dma_chan *chan, dma_addr_t addr, size_t buf_len, size_t period_len, - enum dma_transfer_direction direction, unsigned long flags, void *context) + enum dma_transfer_direction direction, unsigned long flags) { struct sirfsoc_dma_chan *schan = dma_chan_to_sirfsoc_dma_chan(chan); struct sirfsoc_dma_desc *sdesc = NULL; diff --git a/drivers/dma/ste_dma40.c b/drivers/dma/ste_dma40.c index c7984459ede7..5fe59335e247 100644 --- a/drivers/dma/ste_dma40.c +++ b/drivers/dma/ste_dma40.c @@ -2531,8 +2531,7 @@ d40_prep_slave_sg(struct dma_chan *chan, struct scatterlist *sgl, static struct dma_async_tx_descriptor * dma40_prep_dma_cyclic(struct dma_chan *chan, dma_addr_t dma_addr, size_t buf_len, size_t period_len, - enum dma_transfer_direction direction, unsigned long flags, - void *context) + enum dma_transfer_direction direction, unsigned long flags) { unsigned int periods = buf_len / period_len; struct dma_async_tx_descriptor *txd; diff --git a/drivers/dma/sun6i-dma.c b/drivers/dma/sun6i-dma.c new file mode 100644 index 000000000000..1f92a56fd2b6 --- /dev/null +++ b/drivers/dma/sun6i-dma.c @@ -0,0 +1,1053 @@ +/* + * Copyright (C) 2013-2014 Allwinner Tech Co., Ltd + * Author: Sugar <shuge@allwinnertech.com> + * + * Copyright (C) 2014 Maxime Ripard + * Maxime Ripard <maxime.ripard@free-electrons.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + */ + +#include <linux/clk.h> +#include <linux/delay.h> +#include <linux/dmaengine.h> +#include <linux/dmapool.h> +#include <linux/interrupt.h> +#include <linux/module.h> +#include <linux/of_dma.h> +#include <linux/platform_device.h> +#include <linux/reset.h> +#include <linux/slab.h> +#include <linux/types.h> + +#include "virt-dma.h" + +/* + * There's 16 physical channels that can work in parallel. + * + * However we have 30 different endpoints for our requests. + * + * Since the channels are able to handle only an unidirectional + * transfer, we need to allocate more virtual channels so that + * everyone can grab one channel. + * + * Some devices can't work in both direction (mostly because it + * wouldn't make sense), so we have a bit fewer virtual channels than + * 2 channels per endpoints. + */ + +#define NR_MAX_CHANNELS 16 +#define NR_MAX_REQUESTS 30 +#define NR_MAX_VCHANS 53 + +/* + * Common registers + */ +#define DMA_IRQ_EN(x) ((x) * 0x04) +#define DMA_IRQ_HALF BIT(0) +#define DMA_IRQ_PKG BIT(1) +#define DMA_IRQ_QUEUE BIT(2) + +#define DMA_IRQ_CHAN_NR 8 +#define DMA_IRQ_CHAN_WIDTH 4 + + +#define DMA_IRQ_STAT(x) ((x) * 0x04 + 0x10) + +#define DMA_STAT 0x30 + +/* + * Channels specific registers + */ +#define DMA_CHAN_ENABLE 0x00 +#define DMA_CHAN_ENABLE_START BIT(0) +#define DMA_CHAN_ENABLE_STOP 0 + +#define DMA_CHAN_PAUSE 0x04 +#define DMA_CHAN_PAUSE_PAUSE BIT(1) +#define DMA_CHAN_PAUSE_RESUME 0 + +#define DMA_CHAN_LLI_ADDR 0x08 + +#define DMA_CHAN_CUR_CFG 0x0c +#define DMA_CHAN_CFG_SRC_DRQ(x) ((x) & 0x1f) +#define DMA_CHAN_CFG_SRC_IO_MODE BIT(5) +#define DMA_CHAN_CFG_SRC_LINEAR_MODE (0 << 5) +#define DMA_CHAN_CFG_SRC_BURST(x) (((x) & 0x3) << 7) +#define DMA_CHAN_CFG_SRC_WIDTH(x) (((x) & 0x3) << 9) + +#define DMA_CHAN_CFG_DST_DRQ(x) (DMA_CHAN_CFG_SRC_DRQ(x) << 16) +#define DMA_CHAN_CFG_DST_IO_MODE (DMA_CHAN_CFG_SRC_IO_MODE << 16) +#define DMA_CHAN_CFG_DST_LINEAR_MODE (DMA_CHAN_CFG_SRC_LINEAR_MODE << 16) +#define DMA_CHAN_CFG_DST_BURST(x) (DMA_CHAN_CFG_SRC_BURST(x) << 16) +#define DMA_CHAN_CFG_DST_WIDTH(x) (DMA_CHAN_CFG_SRC_WIDTH(x) << 16) + +#define DMA_CHAN_CUR_SRC 0x10 + +#define DMA_CHAN_CUR_DST 0x14 + +#define DMA_CHAN_CUR_CNT 0x18 + +#define DMA_CHAN_CUR_PARA 0x1c + + +/* + * Various hardware related defines + */ +#define LLI_LAST_ITEM 0xfffff800 +#define NORMAL_WAIT 8 +#define DRQ_SDRAM 1 + +/* + * Hardware representation of the LLI + * + * The hardware will be fed the physical address of this structure, + * and read its content in order to start the transfer. + */ +struct sun6i_dma_lli { + u32 cfg; + u32 src; + u32 dst; + u32 len; + u32 para; + u32 p_lli_next; + + /* + * This field is not used by the DMA controller, but will be + * used by the CPU to go through the list (mostly for dumping + * or freeing it). + */ + struct sun6i_dma_lli *v_lli_next; +}; + + +struct sun6i_desc { + struct virt_dma_desc vd; + dma_addr_t p_lli; + struct sun6i_dma_lli *v_lli; +}; + +struct sun6i_pchan { + u32 idx; + void __iomem *base; + struct sun6i_vchan *vchan; + struct sun6i_desc *desc; + struct sun6i_desc *done; +}; + +struct sun6i_vchan { + struct virt_dma_chan vc; + struct list_head node; + struct dma_slave_config cfg; + struct sun6i_pchan *phy; + u8 port; +}; + +struct sun6i_dma_dev { + struct dma_device slave; + void __iomem *base; + struct clk *clk; + int irq; + spinlock_t lock; + struct reset_control *rstc; + struct tasklet_struct task; + atomic_t tasklet_shutdown; + struct list_head pending; + struct dma_pool *pool; + struct sun6i_pchan *pchans; + struct sun6i_vchan *vchans; +}; + +static struct device *chan2dev(struct dma_chan *chan) +{ + return &chan->dev->device; +} + +static inline struct sun6i_dma_dev *to_sun6i_dma_dev(struct dma_device *d) +{ + return container_of(d, struct sun6i_dma_dev, slave); +} + +static inline struct sun6i_vchan *to_sun6i_vchan(struct dma_chan *chan) +{ + return container_of(chan, struct sun6i_vchan, vc.chan); +} + +static inline struct sun6i_desc * +to_sun6i_desc(struct dma_async_tx_descriptor *tx) +{ + return container_of(tx, struct sun6i_desc, vd.tx); +} + +static inline void sun6i_dma_dump_com_regs(struct sun6i_dma_dev *sdev) +{ + dev_dbg(sdev->slave.dev, "Common register:\n" + "\tmask0(%04x): 0x%08x\n" + "\tmask1(%04x): 0x%08x\n" + "\tpend0(%04x): 0x%08x\n" + "\tpend1(%04x): 0x%08x\n" + "\tstats(%04x): 0x%08x\n", + DMA_IRQ_EN(0), readl(sdev->base + DMA_IRQ_EN(0)), + DMA_IRQ_EN(1), readl(sdev->base + DMA_IRQ_EN(1)), + DMA_IRQ_STAT(0), readl(sdev->base + DMA_IRQ_STAT(0)), + DMA_IRQ_STAT(1), readl(sdev->base + DMA_IRQ_STAT(1)), + DMA_STAT, readl(sdev->base + DMA_STAT)); +} + +static inline void sun6i_dma_dump_chan_regs(struct sun6i_dma_dev *sdev, + struct sun6i_pchan *pchan) +{ + phys_addr_t reg = virt_to_phys(pchan->base); + + dev_dbg(sdev->slave.dev, "Chan %d reg: %pa\n" + "\t___en(%04x): \t0x%08x\n" + "\tpause(%04x): \t0x%08x\n" + "\tstart(%04x): \t0x%08x\n" + "\t__cfg(%04x): \t0x%08x\n" + "\t__src(%04x): \t0x%08x\n" + "\t__dst(%04x): \t0x%08x\n" + "\tcount(%04x): \t0x%08x\n" + "\t_para(%04x): \t0x%08x\n\n", + pchan->idx, ®, + DMA_CHAN_ENABLE, + readl(pchan->base + DMA_CHAN_ENABLE), + DMA_CHAN_PAUSE, + readl(pchan->base + DMA_CHAN_PAUSE), + DMA_CHAN_LLI_ADDR, + readl(pchan->base + DMA_CHAN_LLI_ADDR), + DMA_CHAN_CUR_CFG, + readl(pchan->base + DMA_CHAN_CUR_CFG), + DMA_CHAN_CUR_SRC, + readl(pchan->base + DMA_CHAN_CUR_SRC), + DMA_CHAN_CUR_DST, + readl(pchan->base + DMA_CHAN_CUR_DST), + DMA_CHAN_CUR_CNT, + readl(pchan->base + DMA_CHAN_CUR_CNT), + DMA_CHAN_CUR_PARA, + readl(pchan->base + DMA_CHAN_CUR_PARA)); +} + +static inline int convert_burst(u32 maxburst, u8 *burst) +{ + switch (maxburst) { + case 1: + *burst = 0; + break; + case 8: + *burst = 2; + break; + default: + return -EINVAL; + } + + return 0; +} + +static inline int convert_buswidth(enum dma_slave_buswidth addr_width, u8 *width) +{ + if ((addr_width < DMA_SLAVE_BUSWIDTH_1_BYTE) || + (addr_width > DMA_SLAVE_BUSWIDTH_4_BYTES)) + return -EINVAL; + + *width = addr_width >> 1; + return 0; +} + +static void *sun6i_dma_lli_add(struct sun6i_dma_lli *prev, + struct sun6i_dma_lli *next, + dma_addr_t next_phy, + struct sun6i_desc *txd) +{ + if ((!prev && !txd) || !next) + return NULL; + + if (!prev) { + txd->p_lli = next_phy; + txd->v_lli = next; + } else { + prev->p_lli_next = next_phy; + prev->v_lli_next = next; + } + + next->p_lli_next = LLI_LAST_ITEM; + next->v_lli_next = NULL; + + return next; +} + +static inline int sun6i_dma_cfg_lli(struct sun6i_dma_lli *lli, + dma_addr_t src, + dma_addr_t dst, u32 len, + struct dma_slave_config *config) +{ + u8 src_width, dst_width, src_burst, dst_burst; + int ret; + + if (!config) + return -EINVAL; + + ret = convert_burst(config->src_maxburst, &src_burst); + if (ret) + return ret; + + ret = convert_burst(config->dst_maxburst, &dst_burst); + if (ret) + return ret; + + ret = convert_buswidth(config->src_addr_width, &src_width); + if (ret) + return ret; + + ret = convert_buswidth(config->dst_addr_width, &dst_width); + if (ret) + return ret; + + lli->cfg = DMA_CHAN_CFG_SRC_BURST(src_burst) | + DMA_CHAN_CFG_SRC_WIDTH(src_width) | + DMA_CHAN_CFG_DST_BURST(dst_burst) | + DMA_CHAN_CFG_DST_WIDTH(dst_width); + + lli->src = src; + lli->dst = dst; + lli->len = len; + lli->para = NORMAL_WAIT; + + return 0; +} + +static inline void sun6i_dma_dump_lli(struct sun6i_vchan *vchan, + struct sun6i_dma_lli *lli) +{ + phys_addr_t p_lli = virt_to_phys(lli); + + dev_dbg(chan2dev(&vchan->vc.chan), + "\n\tdesc: p - %pa v - 0x%p\n" + "\t\tc - 0x%08x s - 0x%08x d - 0x%08x\n" + "\t\tl - 0x%08x p - 0x%08x n - 0x%08x\n", + &p_lli, lli, + lli->cfg, lli->src, lli->dst, + lli->len, lli->para, lli->p_lli_next); +} + +static void sun6i_dma_free_desc(struct virt_dma_desc *vd) +{ + struct sun6i_desc *txd = to_sun6i_desc(&vd->tx); + struct sun6i_dma_dev *sdev = to_sun6i_dma_dev(vd->tx.chan->device); + struct sun6i_dma_lli *v_lli, *v_next; + dma_addr_t p_lli, p_next; + + if (unlikely(!txd)) + return; + + p_lli = txd->p_lli; + v_lli = txd->v_lli; + + while (v_lli) { + v_next = v_lli->v_lli_next; + p_next = v_lli->p_lli_next; + + dma_pool_free(sdev->pool, v_lli, p_lli); + + v_lli = v_next; + p_lli = p_next; + } + + kfree(txd); +} + +static int sun6i_dma_terminate_all(struct sun6i_vchan *vchan) +{ + struct sun6i_dma_dev *sdev = to_sun6i_dma_dev(vchan->vc.chan.device); + struct sun6i_pchan *pchan = vchan->phy; + unsigned long flags; + LIST_HEAD(head); + + spin_lock(&sdev->lock); + list_del_init(&vchan->node); + spin_unlock(&sdev->lock); + + spin_lock_irqsave(&vchan->vc.lock, flags); + + vchan_get_all_descriptors(&vchan->vc, &head); + + if (pchan) { + writel(DMA_CHAN_ENABLE_STOP, pchan->base + DMA_CHAN_ENABLE); + writel(DMA_CHAN_PAUSE_RESUME, pchan->base + DMA_CHAN_PAUSE); + + vchan->phy = NULL; + pchan->vchan = NULL; + pchan->desc = NULL; + pchan->done = NULL; + } + + spin_unlock_irqrestore(&vchan->vc.lock, flags); + + vchan_dma_desc_free_list(&vchan->vc, &head); + + return 0; +} + +static int sun6i_dma_start_desc(struct sun6i_vchan *vchan) +{ + struct sun6i_dma_dev *sdev = to_sun6i_dma_dev(vchan->vc.chan.device); + struct virt_dma_desc *desc = vchan_next_desc(&vchan->vc); + struct sun6i_pchan *pchan = vchan->phy; + u32 irq_val, irq_reg, irq_offset; + + if (!pchan) + return -EAGAIN; + + if (!desc) { + pchan->desc = NULL; + pchan->done = NULL; + return -EAGAIN; + } + + list_del(&desc->node); + + pchan->desc = to_sun6i_desc(&desc->tx); + pchan->done = NULL; + + sun6i_dma_dump_lli(vchan, pchan->desc->v_lli); + + irq_reg = pchan->idx / DMA_IRQ_CHAN_NR; + irq_offset = pchan->idx % DMA_IRQ_CHAN_NR; + + irq_val = readl(sdev->base + DMA_IRQ_EN(irq_offset)); + irq_val |= DMA_IRQ_QUEUE << (irq_offset * DMA_IRQ_CHAN_WIDTH); + writel(irq_val, sdev->base + DMA_IRQ_EN(irq_offset)); + + writel(pchan->desc->p_lli, pchan->base + DMA_CHAN_LLI_ADDR); + writel(DMA_CHAN_ENABLE_START, pchan->base + DMA_CHAN_ENABLE); + + sun6i_dma_dump_com_regs(sdev); + sun6i_dma_dump_chan_regs(sdev, pchan); + + return 0; +} + +static void sun6i_dma_tasklet(unsigned long data) +{ + struct sun6i_dma_dev *sdev = (struct sun6i_dma_dev *)data; + struct sun6i_vchan *vchan; + struct sun6i_pchan *pchan; + unsigned int pchan_alloc = 0; + unsigned int pchan_idx; + + list_for_each_entry(vchan, &sdev->slave.channels, vc.chan.device_node) { + spin_lock_irq(&vchan->vc.lock); + + pchan = vchan->phy; + + if (pchan && pchan->done) { + if (sun6i_dma_start_desc(vchan)) { + /* + * No current txd associated with this channel + */ + dev_dbg(sdev->slave.dev, "pchan %u: free\n", + pchan->idx); + + /* Mark this channel free */ + vchan->phy = NULL; + pchan->vchan = NULL; + } + } + spin_unlock_irq(&vchan->vc.lock); + } + + spin_lock_irq(&sdev->lock); + for (pchan_idx = 0; pchan_idx < NR_MAX_CHANNELS; pchan_idx++) { + pchan = &sdev->pchans[pchan_idx]; + + if (pchan->vchan || list_empty(&sdev->pending)) + continue; + + vchan = list_first_entry(&sdev->pending, + struct sun6i_vchan, node); + + /* Remove from pending channels */ + list_del_init(&vchan->node); + pchan_alloc |= BIT(pchan_idx); + + /* Mark this channel allocated */ + pchan->vchan = vchan; + vchan->phy = pchan; + dev_dbg(sdev->slave.dev, "pchan %u: alloc vchan %p\n", + pchan->idx, &vchan->vc); + } + spin_unlock_irq(&sdev->lock); + + for (pchan_idx = 0; pchan_idx < NR_MAX_CHANNELS; pchan_idx++) { + if (!(pchan_alloc & BIT(pchan_idx))) + continue; + + pchan = sdev->pchans + pchan_idx; + vchan = pchan->vchan; + if (vchan) { + spin_lock_irq(&vchan->vc.lock); + sun6i_dma_start_desc(vchan); + spin_unlock_irq(&vchan->vc.lock); + } + } +} + +static irqreturn_t sun6i_dma_interrupt(int irq, void *dev_id) +{ + struct sun6i_dma_dev *sdev = dev_id; + struct sun6i_vchan *vchan; + struct sun6i_pchan *pchan; + int i, j, ret = IRQ_NONE; + u32 status; + + for (i = 0; i < 2; i++) { + status = readl(sdev->base + DMA_IRQ_STAT(i)); + if (!status) + continue; + + dev_dbg(sdev->slave.dev, "DMA irq status %s: 0x%x\n", + i ? "high" : "low", status); + + writel(status, sdev->base + DMA_IRQ_STAT(i)); + + for (j = 0; (j < 8) && status; j++) { + if (status & DMA_IRQ_QUEUE) { + pchan = sdev->pchans + j; + vchan = pchan->vchan; + + if (vchan) { + spin_lock(&vchan->vc.lock); + vchan_cookie_complete(&pchan->desc->vd); + pchan->done = pchan->desc; + spin_unlock(&vchan->vc.lock); + } + } + + status = status >> 4; + } + + if (!atomic_read(&sdev->tasklet_shutdown)) + tasklet_schedule(&sdev->task); + ret = IRQ_HANDLED; + } + + return ret; +} + +static struct dma_async_tx_descriptor *sun6i_dma_prep_dma_memcpy( + struct dma_chan *chan, dma_addr_t dest, dma_addr_t src, + size_t len, unsigned long flags) +{ + struct sun6i_dma_dev *sdev = to_sun6i_dma_dev(chan->device); + struct sun6i_vchan *vchan = to_sun6i_vchan(chan); + struct dma_slave_config *sconfig = &vchan->cfg; + struct sun6i_dma_lli *v_lli; + struct sun6i_desc *txd; + dma_addr_t p_lli; + int ret; + + dev_dbg(chan2dev(chan), + "%s; chan: %d, dest: %pad, src: %pad, len: %zu. flags: 0x%08lx\n", + __func__, vchan->vc.chan.chan_id, &dest, &src, len, flags); + + if (!len) + return NULL; + + txd = kzalloc(sizeof(*txd), GFP_NOWAIT); + if (!txd) + return NULL; + + v_lli = dma_pool_alloc(sdev->pool, GFP_NOWAIT, &p_lli); + if (!v_lli) { + dev_err(sdev->slave.dev, "Failed to alloc lli memory\n"); + goto err_txd_free; + } + + ret = sun6i_dma_cfg_lli(v_lli, src, dest, len, sconfig); + if (ret) + goto err_dma_free; + + v_lli->cfg |= DMA_CHAN_CFG_SRC_DRQ(DRQ_SDRAM) | + DMA_CHAN_CFG_DST_DRQ(DRQ_SDRAM) | + DMA_CHAN_CFG_DST_LINEAR_MODE | + DMA_CHAN_CFG_SRC_LINEAR_MODE; + + sun6i_dma_lli_add(NULL, v_lli, p_lli, txd); + + sun6i_dma_dump_lli(vchan, v_lli); + + return vchan_tx_prep(&vchan->vc, &txd->vd, flags); + +err_dma_free: + dma_pool_free(sdev->pool, v_lli, p_lli); +err_txd_free: + kfree(txd); + return NULL; +} + +static struct dma_async_tx_descriptor *sun6i_dma_prep_slave_sg( + struct dma_chan *chan, struct scatterlist *sgl, + unsigned int sg_len, enum dma_transfer_direction dir, + unsigned long flags, void *context) +{ + struct sun6i_dma_dev *sdev = to_sun6i_dma_dev(chan->device); + struct sun6i_vchan *vchan = to_sun6i_vchan(chan); + struct dma_slave_config *sconfig = &vchan->cfg; + struct sun6i_dma_lli *v_lli, *prev = NULL; + struct sun6i_desc *txd; + struct scatterlist *sg; + dma_addr_t p_lli; + int i, ret; + + if (!sgl) + return NULL; + + if (!is_slave_direction(dir)) { + dev_err(chan2dev(chan), "Invalid DMA direction\n"); + return NULL; + } + + txd = kzalloc(sizeof(*txd), GFP_NOWAIT); + if (!txd) + return NULL; + + for_each_sg(sgl, sg, sg_len, i) { + v_lli = dma_pool_alloc(sdev->pool, GFP_NOWAIT, &p_lli); + if (!v_lli) + goto err_lli_free; + + if (dir == DMA_MEM_TO_DEV) { + ret = sun6i_dma_cfg_lli(v_lli, sg_dma_address(sg), + sconfig->dst_addr, sg_dma_len(sg), + sconfig); + if (ret) + goto err_cur_lli_free; + + v_lli->cfg |= DMA_CHAN_CFG_DST_IO_MODE | + DMA_CHAN_CFG_SRC_LINEAR_MODE | + DMA_CHAN_CFG_SRC_DRQ(DRQ_SDRAM) | + DMA_CHAN_CFG_DST_DRQ(vchan->port); + + dev_dbg(chan2dev(chan), + "%s; chan: %d, dest: %pad, src: %pad, len: %u. flags: 0x%08lx\n", + __func__, vchan->vc.chan.chan_id, + &sconfig->dst_addr, &sg_dma_address(sg), + sg_dma_len(sg), flags); + + } else { + ret = sun6i_dma_cfg_lli(v_lli, sconfig->src_addr, + sg_dma_address(sg), sg_dma_len(sg), + sconfig); + if (ret) + goto err_cur_lli_free; + + v_lli->cfg |= DMA_CHAN_CFG_DST_LINEAR_MODE | + DMA_CHAN_CFG_SRC_IO_MODE | + DMA_CHAN_CFG_DST_DRQ(DRQ_SDRAM) | + DMA_CHAN_CFG_SRC_DRQ(vchan->port); + + dev_dbg(chan2dev(chan), + "%s; chan: %d, dest: %pad, src: %pad, len: %u. flags: 0x%08lx\n", + __func__, vchan->vc.chan.chan_id, + &sg_dma_address(sg), &sconfig->src_addr, + sg_dma_len(sg), flags); + } + + prev = sun6i_dma_lli_add(prev, v_lli, p_lli, txd); + } + + dev_dbg(chan2dev(chan), "First: %pad\n", &txd->p_lli); + for (prev = txd->v_lli; prev; prev = prev->v_lli_next) + sun6i_dma_dump_lli(vchan, prev); + + return vchan_tx_prep(&vchan->vc, &txd->vd, flags); + +err_cur_lli_free: + dma_pool_free(sdev->pool, v_lli, p_lli); +err_lli_free: + for (prev = txd->v_lli; prev; prev = prev->v_lli_next) + dma_pool_free(sdev->pool, prev, virt_to_phys(prev)); + kfree(txd); + return NULL; +} + +static int sun6i_dma_control(struct dma_chan *chan, enum dma_ctrl_cmd cmd, + unsigned long arg) +{ + struct sun6i_dma_dev *sdev = to_sun6i_dma_dev(chan->device); + struct sun6i_vchan *vchan = to_sun6i_vchan(chan); + struct sun6i_pchan *pchan = vchan->phy; + unsigned long flags; + int ret = 0; + + switch (cmd) { + case DMA_RESUME: + dev_dbg(chan2dev(chan), "vchan %p: resume\n", &vchan->vc); + + spin_lock_irqsave(&vchan->vc.lock, flags); + + if (pchan) { + writel(DMA_CHAN_PAUSE_RESUME, + pchan->base + DMA_CHAN_PAUSE); + } else if (!list_empty(&vchan->vc.desc_issued)) { + spin_lock(&sdev->lock); + list_add_tail(&vchan->node, &sdev->pending); + spin_unlock(&sdev->lock); + } + + spin_unlock_irqrestore(&vchan->vc.lock, flags); + break; + + case DMA_PAUSE: + dev_dbg(chan2dev(chan), "vchan %p: pause\n", &vchan->vc); + + if (pchan) { + writel(DMA_CHAN_PAUSE_PAUSE, + pchan->base + DMA_CHAN_PAUSE); + } else { + spin_lock(&sdev->lock); + list_del_init(&vchan->node); + spin_unlock(&sdev->lock); + } + break; + + case DMA_TERMINATE_ALL: + ret = sun6i_dma_terminate_all(vchan); + break; + case DMA_SLAVE_CONFIG: + memcpy(&vchan->cfg, (void *)arg, sizeof(struct dma_slave_config)); + break; + default: + ret = -ENXIO; + break; + } + return ret; +} + +static enum dma_status sun6i_dma_tx_status(struct dma_chan *chan, + dma_cookie_t cookie, + struct dma_tx_state *state) +{ + struct sun6i_vchan *vchan = to_sun6i_vchan(chan); + struct sun6i_pchan *pchan = vchan->phy; + struct sun6i_dma_lli *lli; + struct virt_dma_desc *vd; + struct sun6i_desc *txd; + enum dma_status ret; + unsigned long flags; + size_t bytes = 0; + + ret = dma_cookie_status(chan, cookie, state); + if (ret == DMA_COMPLETE) + return ret; + + spin_lock_irqsave(&vchan->vc.lock, flags); + + vd = vchan_find_desc(&vchan->vc, cookie); + txd = to_sun6i_desc(&vd->tx); + + if (vd) { + for (lli = txd->v_lli; lli != NULL; lli = lli->v_lli_next) + bytes += lli->len; + } else if (!pchan || !pchan->desc) { + bytes = 0; + } else { + bytes = readl(pchan->base + DMA_CHAN_CUR_CNT); + } + + spin_unlock_irqrestore(&vchan->vc.lock, flags); + + dma_set_residue(state, bytes); + + return ret; +} + +static void sun6i_dma_issue_pending(struct dma_chan *chan) +{ + struct sun6i_dma_dev *sdev = to_sun6i_dma_dev(chan->device); + struct sun6i_vchan *vchan = to_sun6i_vchan(chan); + unsigned long flags; + + spin_lock_irqsave(&vchan->vc.lock, flags); + + if (vchan_issue_pending(&vchan->vc)) { + spin_lock(&sdev->lock); + + if (!vchan->phy && list_empty(&vchan->node)) { + list_add_tail(&vchan->node, &sdev->pending); + tasklet_schedule(&sdev->task); + dev_dbg(chan2dev(chan), "vchan %p: issued\n", + &vchan->vc); + } + + spin_unlock(&sdev->lock); + } else { + dev_dbg(chan2dev(chan), "vchan %p: nothing to issue\n", + &vchan->vc); + } + + spin_unlock_irqrestore(&vchan->vc.lock, flags); +} + +static int sun6i_dma_alloc_chan_resources(struct dma_chan *chan) +{ + return 0; +} + +static void sun6i_dma_free_chan_resources(struct dma_chan *chan) +{ + struct sun6i_dma_dev *sdev = to_sun6i_dma_dev(chan->device); + struct sun6i_vchan *vchan = to_sun6i_vchan(chan); + unsigned long flags; + + spin_lock_irqsave(&sdev->lock, flags); + list_del_init(&vchan->node); + spin_unlock_irqrestore(&sdev->lock, flags); + + vchan_free_chan_resources(&vchan->vc); +} + +static struct dma_chan *sun6i_dma_of_xlate(struct of_phandle_args *dma_spec, + struct of_dma *ofdma) +{ + struct sun6i_dma_dev *sdev = ofdma->of_dma_data; + struct sun6i_vchan *vchan; + struct dma_chan *chan; + u8 port = dma_spec->args[0]; + + if (port > NR_MAX_REQUESTS) + return NULL; + + chan = dma_get_any_slave_channel(&sdev->slave); + if (!chan) + return NULL; + + vchan = to_sun6i_vchan(chan); + vchan->port = port; + + return chan; +} + +static inline void sun6i_kill_tasklet(struct sun6i_dma_dev *sdev) +{ + /* Disable all interrupts from DMA */ + writel(0, sdev->base + DMA_IRQ_EN(0)); + writel(0, sdev->base + DMA_IRQ_EN(1)); + + /* Prevent spurious interrupts from scheduling the tasklet */ + atomic_inc(&sdev->tasklet_shutdown); + + /* Make sure we won't have any further interrupts */ + devm_free_irq(sdev->slave.dev, sdev->irq, sdev); + + /* Actually prevent the tasklet from being scheduled */ + tasklet_kill(&sdev->task); +} + +static inline void sun6i_dma_free(struct sun6i_dma_dev *sdev) +{ + int i; + + for (i = 0; i < NR_MAX_VCHANS; i++) { + struct sun6i_vchan *vchan = &sdev->vchans[i]; + + list_del(&vchan->vc.chan.device_node); + tasklet_kill(&vchan->vc.task); + } +} + +static int sun6i_dma_probe(struct platform_device *pdev) +{ + struct sun6i_dma_dev *sdc; + struct resource *res; + struct clk *mux, *pll6; + int ret, i; + + sdc = devm_kzalloc(&pdev->dev, sizeof(*sdc), GFP_KERNEL); + if (!sdc) + return -ENOMEM; + + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + sdc->base = devm_ioremap_resource(&pdev->dev, res); + if (IS_ERR(sdc->base)) + return PTR_ERR(sdc->base); + + sdc->irq = platform_get_irq(pdev, 0); + if (sdc->irq < 0) { + dev_err(&pdev->dev, "Cannot claim IRQ\n"); + return sdc->irq; + } + + sdc->clk = devm_clk_get(&pdev->dev, NULL); + if (IS_ERR(sdc->clk)) { + dev_err(&pdev->dev, "No clock specified\n"); + return PTR_ERR(sdc->clk); + } + + mux = clk_get(NULL, "ahb1_mux"); + if (IS_ERR(mux)) { + dev_err(&pdev->dev, "Couldn't get AHB1 Mux\n"); + return PTR_ERR(mux); + } + + pll6 = clk_get(NULL, "pll6"); + if (IS_ERR(pll6)) { + dev_err(&pdev->dev, "Couldn't get PLL6\n"); + clk_put(mux); + return PTR_ERR(pll6); + } + + ret = clk_set_parent(mux, pll6); + clk_put(pll6); + clk_put(mux); + + if (ret) { + dev_err(&pdev->dev, "Couldn't reparent AHB1 on PLL6\n"); + return ret; + } + + sdc->rstc = devm_reset_control_get(&pdev->dev, NULL); + if (IS_ERR(sdc->rstc)) { + dev_err(&pdev->dev, "No reset controller specified\n"); + return PTR_ERR(sdc->rstc); + } + + sdc->pool = dmam_pool_create(dev_name(&pdev->dev), &pdev->dev, + sizeof(struct sun6i_dma_lli), 4, 0); + if (!sdc->pool) { + dev_err(&pdev->dev, "No memory for descriptors dma pool\n"); + return -ENOMEM; + } + + platform_set_drvdata(pdev, sdc); + INIT_LIST_HEAD(&sdc->pending); + spin_lock_init(&sdc->lock); + + dma_cap_set(DMA_PRIVATE, sdc->slave.cap_mask); + dma_cap_set(DMA_MEMCPY, sdc->slave.cap_mask); + dma_cap_set(DMA_SLAVE, sdc->slave.cap_mask); + + INIT_LIST_HEAD(&sdc->slave.channels); + sdc->slave.device_alloc_chan_resources = sun6i_dma_alloc_chan_resources; + sdc->slave.device_free_chan_resources = sun6i_dma_free_chan_resources; + sdc->slave.device_tx_status = sun6i_dma_tx_status; + sdc->slave.device_issue_pending = sun6i_dma_issue_pending; + sdc->slave.device_prep_slave_sg = sun6i_dma_prep_slave_sg; + sdc->slave.device_prep_dma_memcpy = sun6i_dma_prep_dma_memcpy; + sdc->slave.device_control = sun6i_dma_control; + sdc->slave.chancnt = NR_MAX_VCHANS; + + sdc->slave.dev = &pdev->dev; + + sdc->pchans = devm_kcalloc(&pdev->dev, NR_MAX_CHANNELS, + sizeof(struct sun6i_pchan), GFP_KERNEL); + if (!sdc->pchans) + return -ENOMEM; + + sdc->vchans = devm_kcalloc(&pdev->dev, NR_MAX_VCHANS, + sizeof(struct sun6i_vchan), GFP_KERNEL); + if (!sdc->vchans) + return -ENOMEM; + + tasklet_init(&sdc->task, sun6i_dma_tasklet, (unsigned long)sdc); + + for (i = 0; i < NR_MAX_CHANNELS; i++) { + struct sun6i_pchan *pchan = &sdc->pchans[i]; + + pchan->idx = i; + pchan->base = sdc->base + 0x100 + i * 0x40; + } + + for (i = 0; i < NR_MAX_VCHANS; i++) { + struct sun6i_vchan *vchan = &sdc->vchans[i]; + + INIT_LIST_HEAD(&vchan->node); + vchan->vc.desc_free = sun6i_dma_free_desc; + vchan_init(&vchan->vc, &sdc->slave); + } + + ret = reset_control_deassert(sdc->rstc); + if (ret) { + dev_err(&pdev->dev, "Couldn't deassert the device from reset\n"); + goto err_chan_free; + } + + ret = clk_prepare_enable(sdc->clk); + if (ret) { + dev_err(&pdev->dev, "Couldn't enable the clock\n"); + goto err_reset_assert; + } + + ret = devm_request_irq(&pdev->dev, sdc->irq, sun6i_dma_interrupt, 0, + dev_name(&pdev->dev), sdc); + if (ret) { + dev_err(&pdev->dev, "Cannot request IRQ\n"); + goto err_clk_disable; + } + + ret = dma_async_device_register(&sdc->slave); + if (ret) { + dev_warn(&pdev->dev, "Failed to register DMA engine device\n"); + goto err_irq_disable; + } + + ret = of_dma_controller_register(pdev->dev.of_node, sun6i_dma_of_xlate, + sdc); + if (ret) { + dev_err(&pdev->dev, "of_dma_controller_register failed\n"); + goto err_dma_unregister; + } + + return 0; + +err_dma_unregister: + dma_async_device_unregister(&sdc->slave); +err_irq_disable: + sun6i_kill_tasklet(sdc); +err_clk_disable: + clk_disable_unprepare(sdc->clk); +err_reset_assert: + reset_control_assert(sdc->rstc); +err_chan_free: + sun6i_dma_free(sdc); + return ret; +} + +static int sun6i_dma_remove(struct platform_device *pdev) +{ + struct sun6i_dma_dev *sdc = platform_get_drvdata(pdev); + + of_dma_controller_free(pdev->dev.of_node); + dma_async_device_unregister(&sdc->slave); + + sun6i_kill_tasklet(sdc); + + clk_disable_unprepare(sdc->clk); + reset_control_assert(sdc->rstc); + + sun6i_dma_free(sdc); + + return 0; +} + +static struct of_device_id sun6i_dma_match[] = { + { .compatible = "allwinner,sun6i-a31-dma" }, + { /* sentinel */ } +}; + +static struct platform_driver sun6i_dma_driver = { + .probe = sun6i_dma_probe, + .remove = sun6i_dma_remove, + .driver = { + .name = "sun6i-dma", + .of_match_table = sun6i_dma_match, + }, +}; +module_platform_driver(sun6i_dma_driver); + +MODULE_DESCRIPTION("Allwinner A31 DMA Controller Driver"); +MODULE_AUTHOR("Sugar <shuge@allwinnertech.com>"); +MODULE_AUTHOR("Maxime Ripard <maxime.ripard@free-electrons.com>"); +MODULE_LICENSE("GPL"); diff --git a/drivers/dma/tegra20-apb-dma.c b/drivers/dma/tegra20-apb-dma.c index 03ad64ecaaf0..16efa603ff65 100644 --- a/drivers/dma/tegra20-apb-dma.c +++ b/drivers/dma/tegra20-apb-dma.c @@ -1055,7 +1055,7 @@ static struct dma_async_tx_descriptor *tegra_dma_prep_slave_sg( static struct dma_async_tx_descriptor *tegra_dma_prep_dma_cyclic( struct dma_chan *dc, dma_addr_t buf_addr, size_t buf_len, size_t period_len, enum dma_transfer_direction direction, - unsigned long flags, void *context) + unsigned long flags) { struct tegra_dma_channel *tdc = to_tegra_dma_chan(dc); struct tegra_dma_desc *dma_desc = NULL; diff --git a/drivers/edac/Kconfig b/drivers/edac/Kconfig index f8665f9c3e03..fd89ca982748 100644 --- a/drivers/edac/Kconfig +++ b/drivers/edac/Kconfig @@ -253,12 +253,12 @@ config EDAC_I7300 Clarksboro MCH (Intel 7300 chipset). config EDAC_SBRIDGE - tristate "Intel Sandy-Bridge Integrated MC" + tristate "Intel Sandy-Bridge/Ivy-Bridge/Haswell Integrated MC" depends on EDAC_MM_EDAC && PCI && X86_64 && X86_MCE_INTEL depends on PCI_MMCONFIG help Support for error detection and correction the Intel - Sandy Bridge Integrated Memory Controller. + Sandy Bridge, Ivy Bridge and Haswell Integrated Memory Controllers. config EDAC_MPC85XX tristate "Freescale MPC83xx / MPC85xx" diff --git a/drivers/edac/cell_edac.c b/drivers/edac/cell_edac.c index 374b57fc596d..a12c8552f6a6 100644 --- a/drivers/edac/cell_edac.c +++ b/drivers/edac/cell_edac.c @@ -134,8 +134,7 @@ static void cell_edac_init_csrows(struct mem_ctl_info *mci) int j; u32 nr_pages; - for (np = NULL; - (np = of_find_node_by_name(np, "memory")) != NULL;) { + for_each_node_by_name(np, "memory") { struct resource r; /* We "know" that the Cell firmware only creates one entry diff --git a/drivers/edac/edac_mc_sysfs.c b/drivers/edac/edac_mc_sysfs.c index 01fae8289cf0..a6cd36100663 100644 --- a/drivers/edac/edac_mc_sysfs.c +++ b/drivers/edac/edac_mc_sysfs.c @@ -108,7 +108,9 @@ static const char * const mem_types[] = { [MEM_RDDR2] = "Registered-DDR2", [MEM_XDR] = "XDR", [MEM_DDR3] = "Unbuffered-DDR3", - [MEM_RDDR3] = "Registered-DDR3" + [MEM_RDDR3] = "Registered-DDR3", + [MEM_DDR4] = "Unbuffered-DDR4", + [MEM_RDDR4] = "Registered-DDR4" }; static const char * const dev_types[] = { diff --git a/drivers/edac/sb_edac.c b/drivers/edac/sb_edac.c index deea0dc9999b..0034c4844428 100644 --- a/drivers/edac/sb_edac.c +++ b/drivers/edac/sb_edac.c @@ -99,6 +99,7 @@ static const u32 ibridge_dram_rule[] = { #define DRAM_ATTR(reg) GET_BITFIELD(reg, 2, 3) #define INTERLEAVE_MODE(reg) GET_BITFIELD(reg, 1, 1) #define DRAM_RULE_ENABLE(reg) GET_BITFIELD(reg, 0, 0) +#define A7MODE(reg) GET_BITFIELD(reg, 26, 26) static char *get_dram_attr(u32 reg) { @@ -164,6 +165,8 @@ static inline int sad_pkg(const struct interleave_pkg *table, u32 reg, #define TOLM 0x80 #define TOHM 0x84 +#define HASWELL_TOHM_0 0xd4 +#define HASWELL_TOHM_1 0xd8 #define GET_TOLM(reg) ((GET_BITFIELD(reg, 0, 3) << 28) | 0x3ffffff) #define GET_TOHM(reg) ((GET_BITFIELD(reg, 0, 20) << 25) | 0x3ffffff) @@ -176,8 +179,6 @@ static inline int sad_pkg(const struct interleave_pkg *table, u32 reg, #define SAD_CONTROL 0xf4 -#define NODE_ID(reg) GET_BITFIELD(reg, 0, 2) - /* Device 14 function 0 */ static const u32 tad_dram_rule[] = { @@ -235,7 +236,6 @@ static const u32 rir_way_limit[] = { #define IS_RIR_VALID(reg) GET_BITFIELD(reg, 31, 31) #define RIR_WAY(reg) GET_BITFIELD(reg, 28, 29) -#define RIR_LIMIT(reg) ((GET_BITFIELD(reg, 1, 10) << 29)| 0x1fffffff) #define MAX_RIR_WAY 8 @@ -279,8 +279,6 @@ static const u32 correrrthrsld[] = { #define IB_RANK_CFG_A 0x0320 -#define IS_RDIMM_ENABLED(reg) GET_BITFIELD(reg, 11, 11) - /* * sbridge structs */ @@ -291,6 +289,7 @@ static const u32 correrrthrsld[] = { enum type { SANDY_BRIDGE, IVY_BRIDGE, + HASWELL, }; struct sbridge_pvt; @@ -300,11 +299,15 @@ struct sbridge_info { u32 rankcfgr; u64 (*get_tolm)(struct sbridge_pvt *pvt); u64 (*get_tohm)(struct sbridge_pvt *pvt); + u64 (*rir_limit)(u32 reg); const u32 *dram_rule; const u32 *interleave_list; const struct interleave_pkg *interleave_pkg; u8 max_sad; u8 max_interleave; + u8 (*get_node_id)(struct sbridge_pvt *pvt); + enum mem_type (*get_memory_type)(struct sbridge_pvt *pvt); + struct pci_dev *pci_vtd; }; struct sbridge_channel { @@ -313,9 +316,7 @@ struct sbridge_channel { }; struct pci_id_descr { - int dev; - int func; - int dev_id; + int dev_id; int optional; }; @@ -338,6 +339,7 @@ struct sbridge_pvt { struct pci_dev *pci_sad0, *pci_sad1; struct pci_dev *pci_ha0, *pci_ha1; struct pci_dev *pci_br0, *pci_br1; + struct pci_dev *pci_ha1_ta; struct pci_dev *pci_tad[NUM_CHANNELS]; struct sbridge_dev *sbridge_dev; @@ -362,31 +364,29 @@ struct sbridge_pvt { u64 tolm, tohm; }; -#define PCI_DESCR(device, function, device_id, opt) \ - .dev = (device), \ - .func = (function), \ - .dev_id = (device_id), \ +#define PCI_DESCR(device_id, opt) \ + .dev_id = (device_id), \ .optional = opt static const struct pci_id_descr pci_dev_descr_sbridge[] = { /* Processor Home Agent */ - { PCI_DESCR(14, 0, PCI_DEVICE_ID_INTEL_SBRIDGE_IMC_HA0, 0) }, + { PCI_DESCR(PCI_DEVICE_ID_INTEL_SBRIDGE_IMC_HA0, 0) }, /* Memory controller */ - { PCI_DESCR(15, 0, PCI_DEVICE_ID_INTEL_SBRIDGE_IMC_TA, 0) }, - { PCI_DESCR(15, 1, PCI_DEVICE_ID_INTEL_SBRIDGE_IMC_RAS, 0) }, - { PCI_DESCR(15, 2, PCI_DEVICE_ID_INTEL_SBRIDGE_IMC_TAD0, 0) }, - { PCI_DESCR(15, 3, PCI_DEVICE_ID_INTEL_SBRIDGE_IMC_TAD1, 0) }, - { PCI_DESCR(15, 4, PCI_DEVICE_ID_INTEL_SBRIDGE_IMC_TAD2, 0) }, - { PCI_DESCR(15, 5, PCI_DEVICE_ID_INTEL_SBRIDGE_IMC_TAD3, 0) }, - { PCI_DESCR(17, 0, PCI_DEVICE_ID_INTEL_SBRIDGE_IMC_DDRIO, 1) }, + { PCI_DESCR(PCI_DEVICE_ID_INTEL_SBRIDGE_IMC_TA, 0) }, + { PCI_DESCR(PCI_DEVICE_ID_INTEL_SBRIDGE_IMC_RAS, 0) }, + { PCI_DESCR(PCI_DEVICE_ID_INTEL_SBRIDGE_IMC_TAD0, 0) }, + { PCI_DESCR(PCI_DEVICE_ID_INTEL_SBRIDGE_IMC_TAD1, 0) }, + { PCI_DESCR(PCI_DEVICE_ID_INTEL_SBRIDGE_IMC_TAD2, 0) }, + { PCI_DESCR(PCI_DEVICE_ID_INTEL_SBRIDGE_IMC_TAD3, 0) }, + { PCI_DESCR(PCI_DEVICE_ID_INTEL_SBRIDGE_IMC_DDRIO, 1) }, /* System Address Decoder */ - { PCI_DESCR(12, 6, PCI_DEVICE_ID_INTEL_SBRIDGE_SAD0, 0) }, - { PCI_DESCR(12, 7, PCI_DEVICE_ID_INTEL_SBRIDGE_SAD1, 0) }, + { PCI_DESCR(PCI_DEVICE_ID_INTEL_SBRIDGE_SAD0, 0) }, + { PCI_DESCR(PCI_DEVICE_ID_INTEL_SBRIDGE_SAD1, 0) }, /* Broadcast Registers */ - { PCI_DESCR(13, 6, PCI_DEVICE_ID_INTEL_SBRIDGE_BR, 0) }, + { PCI_DESCR(PCI_DEVICE_ID_INTEL_SBRIDGE_BR, 0) }, }; #define PCI_ID_TABLE_ENTRY(A) { .descr=A, .n_devs = ARRAY_SIZE(A) } @@ -423,34 +423,34 @@ static const struct pci_id_table pci_dev_descr_sbridge_table[] = { static const struct pci_id_descr pci_dev_descr_ibridge[] = { /* Processor Home Agent */ - { PCI_DESCR(14, 0, PCI_DEVICE_ID_INTEL_IBRIDGE_IMC_HA0, 0) }, + { PCI_DESCR(PCI_DEVICE_ID_INTEL_IBRIDGE_IMC_HA0, 0) }, /* Memory controller */ - { PCI_DESCR(15, 0, PCI_DEVICE_ID_INTEL_IBRIDGE_IMC_HA0_TA, 0) }, - { PCI_DESCR(15, 1, PCI_DEVICE_ID_INTEL_IBRIDGE_IMC_HA0_RAS, 0) }, - { PCI_DESCR(15, 2, PCI_DEVICE_ID_INTEL_IBRIDGE_IMC_HA0_TAD0, 0) }, - { PCI_DESCR(15, 3, PCI_DEVICE_ID_INTEL_IBRIDGE_IMC_HA0_TAD1, 0) }, - { PCI_DESCR(15, 4, PCI_DEVICE_ID_INTEL_IBRIDGE_IMC_HA0_TAD2, 0) }, - { PCI_DESCR(15, 5, PCI_DEVICE_ID_INTEL_IBRIDGE_IMC_HA0_TAD3, 0) }, + { PCI_DESCR(PCI_DEVICE_ID_INTEL_IBRIDGE_IMC_HA0_TA, 0) }, + { PCI_DESCR(PCI_DEVICE_ID_INTEL_IBRIDGE_IMC_HA0_RAS, 0) }, + { PCI_DESCR(PCI_DEVICE_ID_INTEL_IBRIDGE_IMC_HA0_TAD0, 0) }, + { PCI_DESCR(PCI_DEVICE_ID_INTEL_IBRIDGE_IMC_HA0_TAD1, 0) }, + { PCI_DESCR(PCI_DEVICE_ID_INTEL_IBRIDGE_IMC_HA0_TAD2, 0) }, + { PCI_DESCR(PCI_DEVICE_ID_INTEL_IBRIDGE_IMC_HA0_TAD3, 0) }, /* System Address Decoder */ - { PCI_DESCR(22, 0, PCI_DEVICE_ID_INTEL_IBRIDGE_SAD, 0) }, + { PCI_DESCR(PCI_DEVICE_ID_INTEL_IBRIDGE_SAD, 0) }, /* Broadcast Registers */ - { PCI_DESCR(22, 1, PCI_DEVICE_ID_INTEL_IBRIDGE_BR0, 1) }, - { PCI_DESCR(22, 2, PCI_DEVICE_ID_INTEL_IBRIDGE_BR1, 0) }, + { PCI_DESCR(PCI_DEVICE_ID_INTEL_IBRIDGE_BR0, 1) }, + { PCI_DESCR(PCI_DEVICE_ID_INTEL_IBRIDGE_BR1, 0) }, /* Optional, mode 2HA */ - { PCI_DESCR(28, 0, PCI_DEVICE_ID_INTEL_IBRIDGE_IMC_HA1, 1) }, + { PCI_DESCR(PCI_DEVICE_ID_INTEL_IBRIDGE_IMC_HA1, 1) }, #if 0 - { PCI_DESCR(29, 0, PCI_DEVICE_ID_INTEL_IBRIDGE_IMC_HA1_TA, 1) }, - { PCI_DESCR(29, 1, PCI_DEVICE_ID_INTEL_IBRIDGE_IMC_HA1_RAS, 1) }, + { PCI_DESCR(PCI_DEVICE_ID_INTEL_IBRIDGE_IMC_HA1_TA, 1) }, + { PCI_DESCR(PCI_DEVICE_ID_INTEL_IBRIDGE_IMC_HA1_RAS, 1) }, #endif - { PCI_DESCR(29, 2, PCI_DEVICE_ID_INTEL_IBRIDGE_IMC_HA1_TAD0, 1) }, - { PCI_DESCR(29, 3, PCI_DEVICE_ID_INTEL_IBRIDGE_IMC_HA1_TAD1, 1) }, + { PCI_DESCR(PCI_DEVICE_ID_INTEL_IBRIDGE_IMC_HA1_TAD0, 1) }, + { PCI_DESCR(PCI_DEVICE_ID_INTEL_IBRIDGE_IMC_HA1_TAD1, 1) }, - { PCI_DESCR(17, 0, PCI_DEVICE_ID_INTEL_IBRIDGE_IMC_1HA_DDRIO0, 1) }, - { PCI_DESCR(17, 4, PCI_DEVICE_ID_INTEL_IBRIDGE_IMC_2HA_DDRIO0, 1) }, + { PCI_DESCR(PCI_DEVICE_ID_INTEL_IBRIDGE_IMC_1HA_DDRIO0, 1) }, + { PCI_DESCR(PCI_DEVICE_ID_INTEL_IBRIDGE_IMC_2HA_DDRIO0, 1) }, }; static const struct pci_id_table pci_dev_descr_ibridge_table[] = { @@ -458,12 +458,80 @@ static const struct pci_id_table pci_dev_descr_ibridge_table[] = { {0,} /* 0 terminated list. */ }; +/* Haswell support */ +/* EN processor: + * - 1 IMC + * - 3 DDR3 channels, 2 DPC per channel + * EP processor: + * - 1 or 2 IMC + * - 4 DDR4 channels, 3 DPC per channel + * EP 4S processor: + * - 2 IMC + * - 4 DDR4 channels, 3 DPC per channel + * EX processor: + * - 2 IMC + * - each IMC interfaces with a SMI 2 channel + * - each SMI channel interfaces with a scalable memory buffer + * - each scalable memory buffer supports 4 DDR3/DDR4 channels, 3 DPC + */ +#define HASWELL_DDRCRCLKCONTROLS 0xa10 +#define HASWELL_HASYSDEFEATURE2 0x84 +#define PCI_DEVICE_ID_INTEL_HASWELL_IMC_VTD_MISC 0x2f28 +#define PCI_DEVICE_ID_INTEL_HASWELL_IMC_HA0 0x2fa0 +#define PCI_DEVICE_ID_INTEL_HASWELL_IMC_HA1 0x2f60 +#define PCI_DEVICE_ID_INTEL_HASWELL_IMC_HA0_TA 0x2fa8 +#define PCI_DEVICE_ID_INTEL_HASWELL_IMC_HA0_THERMAL 0x2f71 +#define PCI_DEVICE_ID_INTEL_HASWELL_IMC_HA1_TA 0x2f68 +#define PCI_DEVICE_ID_INTEL_HASWELL_IMC_HA1_THERMAL 0x2f79 +#define PCI_DEVICE_ID_INTEL_HASWELL_IMC_CBO_SAD0 0x2ffc +#define PCI_DEVICE_ID_INTEL_HASWELL_IMC_CBO_SAD1 0x2ffd +#define PCI_DEVICE_ID_INTEL_HASWELL_IMC_HA0_TAD0 0x2faa +#define PCI_DEVICE_ID_INTEL_HASWELL_IMC_HA0_TAD1 0x2fab +#define PCI_DEVICE_ID_INTEL_HASWELL_IMC_HA0_TAD2 0x2fac +#define PCI_DEVICE_ID_INTEL_HASWELL_IMC_HA0_TAD3 0x2fad +#define PCI_DEVICE_ID_INTEL_HASWELL_IMC_HA1_TAD0 0x2f6a +#define PCI_DEVICE_ID_INTEL_HASWELL_IMC_HA1_TAD1 0x2f6b +#define PCI_DEVICE_ID_INTEL_HASWELL_IMC_HA1_TAD2 0x2f6c +#define PCI_DEVICE_ID_INTEL_HASWELL_IMC_HA1_TAD3 0x2f6d +#define PCI_DEVICE_ID_INTEL_HASWELL_IMC_DDRIO0 0x2fbd +static const struct pci_id_descr pci_dev_descr_haswell[] = { + /* first item must be the HA */ + { PCI_DESCR(PCI_DEVICE_ID_INTEL_HASWELL_IMC_HA0, 0) }, + + { PCI_DESCR(PCI_DEVICE_ID_INTEL_HASWELL_IMC_CBO_SAD0, 0) }, + { PCI_DESCR(PCI_DEVICE_ID_INTEL_HASWELL_IMC_CBO_SAD1, 0) }, + + { PCI_DESCR(PCI_DEVICE_ID_INTEL_HASWELL_IMC_HA1, 1) }, + + { PCI_DESCR(PCI_DEVICE_ID_INTEL_HASWELL_IMC_HA0_TA, 0) }, + { PCI_DESCR(PCI_DEVICE_ID_INTEL_HASWELL_IMC_HA0_THERMAL, 0) }, + { PCI_DESCR(PCI_DEVICE_ID_INTEL_HASWELL_IMC_HA0_TAD0, 0) }, + { PCI_DESCR(PCI_DEVICE_ID_INTEL_HASWELL_IMC_HA0_TAD1, 0) }, + { PCI_DESCR(PCI_DEVICE_ID_INTEL_HASWELL_IMC_HA0_TAD2, 1) }, + { PCI_DESCR(PCI_DEVICE_ID_INTEL_HASWELL_IMC_HA0_TAD3, 1) }, + + { PCI_DESCR(PCI_DEVICE_ID_INTEL_HASWELL_IMC_DDRIO0, 1) }, + + { PCI_DESCR(PCI_DEVICE_ID_INTEL_HASWELL_IMC_HA1_TA, 1) }, + { PCI_DESCR(PCI_DEVICE_ID_INTEL_HASWELL_IMC_HA1_THERMAL, 1) }, + { PCI_DESCR(PCI_DEVICE_ID_INTEL_HASWELL_IMC_HA1_TAD0, 1) }, + { PCI_DESCR(PCI_DEVICE_ID_INTEL_HASWELL_IMC_HA1_TAD1, 1) }, + { PCI_DESCR(PCI_DEVICE_ID_INTEL_HASWELL_IMC_HA1_TAD2, 1) }, + { PCI_DESCR(PCI_DEVICE_ID_INTEL_HASWELL_IMC_HA1_TAD3, 1) }, +}; + +static const struct pci_id_table pci_dev_descr_haswell_table[] = { + PCI_ID_TABLE_ENTRY(pci_dev_descr_haswell), + {0,} /* 0 terminated list. */ +}; + /* * pci_device_id table for which devices we are looking for */ static const struct pci_device_id sbridge_pci_tbl[] = { {PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_SBRIDGE_IMC_TA)}, {PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_IBRIDGE_IMC_HA0_TA)}, + {PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_HASWELL_IMC_HA0)}, {0,} /* 0 terminated list. */ }; @@ -472,13 +540,17 @@ static const struct pci_device_id sbridge_pci_tbl[] = { Ancillary status routines ****************************************************************************/ -static inline int numrank(u32 mtr) +static inline int numrank(enum type type, u32 mtr) { int ranks = (1 << RANK_CNT_BITS(mtr)); + int max = 4; - if (ranks > 4) { - edac_dbg(0, "Invalid number of ranks: %d (max = 4) raw value = %x (%04x)\n", - ranks, (unsigned int)RANK_CNT_BITS(mtr), mtr); + if (type == HASWELL) + max = 8; + + if (ranks > max) { + edac_dbg(0, "Invalid number of ranks: %d (max = %i) raw value = %x (%04x)\n", + ranks, max, (unsigned int)RANK_CNT_BITS(mtr), mtr); return -EINVAL; } @@ -588,10 +660,107 @@ static u64 ibridge_get_tohm(struct sbridge_pvt *pvt) return GET_TOHM(reg); } +static u64 rir_limit(u32 reg) +{ + return ((u64)GET_BITFIELD(reg, 1, 10) << 29) | 0x1fffffff; +} + +static enum mem_type get_memory_type(struct sbridge_pvt *pvt) +{ + u32 reg; + enum mem_type mtype; + + if (pvt->pci_ddrio) { + pci_read_config_dword(pvt->pci_ddrio, pvt->info.rankcfgr, + ®); + if (GET_BITFIELD(reg, 11, 11)) + /* FIXME: Can also be LRDIMM */ + mtype = MEM_RDDR3; + else + mtype = MEM_DDR3; + } else + mtype = MEM_UNKNOWN; + + return mtype; +} + +static enum mem_type haswell_get_memory_type(struct sbridge_pvt *pvt) +{ + u32 reg; + bool registered = false; + enum mem_type mtype = MEM_UNKNOWN; + + if (!pvt->pci_ddrio) + goto out; + + pci_read_config_dword(pvt->pci_ddrio, + HASWELL_DDRCRCLKCONTROLS, ®); + /* Is_Rdimm */ + if (GET_BITFIELD(reg, 16, 16)) + registered = true; + + pci_read_config_dword(pvt->pci_ta, MCMTR, ®); + if (GET_BITFIELD(reg, 14, 14)) { + if (registered) + mtype = MEM_RDDR4; + else + mtype = MEM_DDR4; + } else { + if (registered) + mtype = MEM_RDDR3; + else + mtype = MEM_DDR3; + } + +out: + return mtype; +} + +static u8 get_node_id(struct sbridge_pvt *pvt) +{ + u32 reg; + pci_read_config_dword(pvt->pci_br0, SAD_CONTROL, ®); + return GET_BITFIELD(reg, 0, 2); +} + +static u8 haswell_get_node_id(struct sbridge_pvt *pvt) +{ + u32 reg; + + pci_read_config_dword(pvt->pci_sad1, SAD_CONTROL, ®); + return GET_BITFIELD(reg, 0, 3); +} + +static u64 haswell_get_tolm(struct sbridge_pvt *pvt) +{ + u32 reg; + + pci_read_config_dword(pvt->info.pci_vtd, TOLM, ®); + return (GET_BITFIELD(reg, 26, 31) << 26) | 0x1ffffff; +} + +static u64 haswell_get_tohm(struct sbridge_pvt *pvt) +{ + u64 rc; + u32 reg; + + pci_read_config_dword(pvt->info.pci_vtd, HASWELL_TOHM_0, ®); + rc = GET_BITFIELD(reg, 26, 31); + pci_read_config_dword(pvt->info.pci_vtd, HASWELL_TOHM_1, ®); + rc = ((reg << 6) | rc) << 26; + + return rc | 0x1ffffff; +} + +static u64 haswell_rir_limit(u32 reg) +{ + return (((u64)GET_BITFIELD(reg, 1, 11) + 1) << 29) - 1; +} + static inline u8 sad_pkg_socket(u8 pkg) { /* on Ivy Bridge, nodeID is SASS, where A is HA and S is node id */ - return (pkg >> 3) | (pkg & 0x3); + return ((pkg >> 3) << 2) | (pkg & 0x3); } static inline u8 sad_pkg_ha(u8 pkg) @@ -602,44 +771,43 @@ static inline u8 sad_pkg_ha(u8 pkg) /**************************************************************************** Memory check routines ****************************************************************************/ -static struct pci_dev *get_pdev_slot_func(u8 bus, unsigned slot, - unsigned func) +static struct pci_dev *get_pdev_same_bus(u8 bus, u32 id) { - struct sbridge_dev *sbridge_dev = get_sbridge_dev(bus); - int i; - - if (!sbridge_dev) - return NULL; - - for (i = 0; i < sbridge_dev->n_devs; i++) { - if (!sbridge_dev->pdev[i]) - continue; + struct pci_dev *pdev = NULL; - if (PCI_SLOT(sbridge_dev->pdev[i]->devfn) == slot && - PCI_FUNC(sbridge_dev->pdev[i]->devfn) == func) { - edac_dbg(1, "Associated %02x.%02x.%d with %p\n", - bus, slot, func, sbridge_dev->pdev[i]); - return sbridge_dev->pdev[i]; - } - } + do { + pdev = pci_get_device(PCI_VENDOR_ID_INTEL, id, pdev); + if (pdev && pdev->bus->number == bus) + break; + } while (pdev); - return NULL; + return pdev; } /** * check_if_ecc_is_active() - Checks if ECC is active - * bus: Device bus + * @bus: Device bus + * @type: Memory controller type + * returns: 0 in case ECC is active, -ENODEV if it can't be determined or + * disabled */ -static int check_if_ecc_is_active(const u8 bus) +static int check_if_ecc_is_active(const u8 bus, enum type type) { struct pci_dev *pdev = NULL; - u32 mcmtr; + u32 mcmtr, id; + + if (type == IVY_BRIDGE) + id = PCI_DEVICE_ID_INTEL_IBRIDGE_IMC_HA0_TA; + else if (type == HASWELL) + id = PCI_DEVICE_ID_INTEL_HASWELL_IMC_HA0_TA; + else + id = PCI_DEVICE_ID_INTEL_SBRIDGE_IMC_TA; - pdev = get_pdev_slot_func(bus, 15, 0); + pdev = get_pdev_same_bus(bus, id); if (!pdev) { sbridge_printk(KERN_ERR, "Couldn't find PCI device " - "%2x.%02d.%d!!!\n", - bus, 15, 0); + "%04x:%04x! on bus %02d\n", + PCI_VENDOR_ID_INTEL, id, bus); return -ENODEV; } @@ -661,11 +829,14 @@ static int get_dimm_config(struct mem_ctl_info *mci) enum edac_type mode; enum mem_type mtype; - pci_read_config_dword(pvt->pci_br0, SAD_TARGET, ®); + if (pvt->info.type == HASWELL) + pci_read_config_dword(pvt->pci_sad1, SAD_TARGET, ®); + else + pci_read_config_dword(pvt->pci_br0, SAD_TARGET, ®); + pvt->sbridge_dev->source_id = SOURCE_ID(reg); - pci_read_config_dword(pvt->pci_br0, SAD_CONTROL, ®); - pvt->sbridge_dev->node_id = NODE_ID(reg); + pvt->sbridge_dev->node_id = pvt->info.get_node_id(pvt); edac_dbg(0, "mc#%d: Node ID: %d, source ID: %d\n", pvt->sbridge_dev->mc, pvt->sbridge_dev->node_id, @@ -698,24 +869,18 @@ static int get_dimm_config(struct mem_ctl_info *mci) pvt->is_close_pg = false; } - if (pvt->pci_ddrio) { - pci_read_config_dword(pvt->pci_ddrio, pvt->info.rankcfgr, - ®); - if (IS_RDIMM_ENABLED(reg)) { - /* FIXME: Can also be LRDIMM */ - edac_dbg(0, "Memory is registered\n"); - mtype = MEM_RDDR3; - } else { - edac_dbg(0, "Memory is unregistered\n"); - mtype = MEM_DDR3; - } - } else { + mtype = pvt->info.get_memory_type(pvt); + if (mtype == MEM_RDDR3 || mtype == MEM_RDDR4) + edac_dbg(0, "Memory is registered\n"); + else if (mtype == MEM_UNKNOWN) edac_dbg(0, "Cannot determine memory type\n"); - mtype = MEM_UNKNOWN; - } + else + edac_dbg(0, "Memory is unregistered\n"); - /* On all supported DDR3 DIMM types, there are 8 banks available */ - banks = 8; + if (mtype == MEM_DDR4 || MEM_RDDR4) + banks = 16; + else + banks = 8; for (i = 0; i < NUM_CHANNELS; i++) { u32 mtr; @@ -729,11 +894,10 @@ static int get_dimm_config(struct mem_ctl_info *mci) if (IS_DIMM_PRESENT(mtr)) { pvt->channel[i].dimms++; - ranks = numrank(mtr); + ranks = numrank(pvt->info.type, mtr); rows = numrow(mtr); cols = numcol(mtr); - /* DDR3 has 8 I/O banks */ size = ((u64)rows * cols * banks * ranks) >> (20 - 3); npages = MiB_TO_PAGES(size); @@ -744,7 +908,17 @@ static int get_dimm_config(struct mem_ctl_info *mci) dimm->nr_pages = npages; dimm->grain = 32; - dimm->dtype = (banks == 8) ? DEV_X8 : DEV_X4; + switch (banks) { + case 16: + dimm->dtype = DEV_X16; + break; + case 8: + dimm->dtype = DEV_X8; + break; + case 4: + dimm->dtype = DEV_X4; + break; + } dimm->mtype = mtype; dimm->edac_mode = mode; snprintf(dimm->label, sizeof(dimm->label), @@ -887,7 +1061,7 @@ static void get_memory_layout(const struct mem_ctl_info *mci) if (!IS_RIR_VALID(reg)) continue; - tmp_mb = RIR_LIMIT(reg) >> 20; + tmp_mb = pvt->info.rir_limit(reg) >> 20; rir_way = 1 << RIR_WAY(reg); mb = div_u64_rem(tmp_mb, 1000, &kb); edac_dbg(0, "CH#%d RIR#%d, limit: %u.%03u GB (0x%016Lx), way: %d, reg=0x%08x\n", @@ -936,11 +1110,11 @@ static int get_memory_error_data(struct mem_ctl_info *mci, struct mem_ctl_info *new_mci; struct sbridge_pvt *pvt = mci->pvt_info; struct pci_dev *pci_ha; - int n_rir, n_sads, n_tads, sad_way, sck_xch; + int n_rir, n_sads, n_tads, sad_way, sck_xch; int sad_interl, idx, base_ch; - int interleave_mode; + int interleave_mode, shiftup = 0; unsigned sad_interleave[pvt->info.max_interleave]; - u32 reg; + u32 reg, dram_rule; u8 ch_way, sck_way, pkg, sad_ha = 0; u32 tad_offset; u32 rir_way; @@ -987,8 +1161,9 @@ static int get_memory_error_data(struct mem_ctl_info *mci, sprintf(msg, "Can't discover the memory socket"); return -EINVAL; } - *area_type = get_dram_attr(reg); - interleave_mode = INTERLEAVE_MODE(reg); + dram_rule = reg; + *area_type = get_dram_attr(dram_rule); + interleave_mode = INTERLEAVE_MODE(dram_rule); pci_read_config_dword(pvt->pci_sad0, pvt->info.interleave_list[n_sads], ®); @@ -1033,6 +1208,36 @@ static int get_memory_error_data(struct mem_ctl_info *mci, *socket = sad_interleave[idx]; edac_dbg(0, "SAD interleave index: %d (wayness %d) = CPU socket %d\n", idx, sad_way, *socket); + } else if (pvt->info.type == HASWELL) { + int bits, a7mode = A7MODE(dram_rule); + + if (a7mode) { + /* A7 mode swaps P9 with P6 */ + bits = GET_BITFIELD(addr, 7, 8) << 1; + bits |= GET_BITFIELD(addr, 9, 9); + } else + bits = GET_BITFIELD(addr, 7, 9); + + if (interleave_mode) { + /* interleave mode will XOR {8,7,6} with {18,17,16} */ + idx = GET_BITFIELD(addr, 16, 18); + idx ^= bits; + } else + idx = bits; + + pkg = sad_pkg(pvt->info.interleave_pkg, reg, idx); + *socket = sad_pkg_socket(pkg); + sad_ha = sad_pkg_ha(pkg); + + if (a7mode) { + /* MCChanShiftUpEnable */ + pci_read_config_dword(pvt->pci_ha0, + HASWELL_HASYSDEFEATURE2, ®); + shiftup = GET_BITFIELD(reg, 22, 22); + } + + edac_dbg(0, "SAD interleave package: %d = CPU socket %d, HA %i, shiftup: %i\n", + idx, *socket, sad_ha, shiftup); } else { /* Ivy Bridge's SAD mode doesn't support XOR interleave mode */ idx = (addr >> 6) & 7; @@ -1090,7 +1295,7 @@ static int get_memory_error_data(struct mem_ctl_info *mci, if (ch_way == 3) idx = addr >> 6; else - idx = addr >> (6 + sck_way); + idx = (addr >> (6 + sck_way + shiftup)) & 0x3; idx = idx % ch_way; /* @@ -1181,7 +1386,7 @@ static int get_memory_error_data(struct mem_ctl_info *mci, if (!IS_RIR_VALID(reg)) continue; - limit = RIR_LIMIT(reg); + limit = pvt->info.rir_limit(reg); mb = div_u64_rem(limit >> 20, 1000, &kb); edac_dbg(0, "RIR#%d, limit: %u.%03u GB (0x%016Lx), way: %d\n", n_rir, @@ -1197,6 +1402,7 @@ static int get_memory_error_data(struct mem_ctl_info *mci, return -EINVAL; } rir_way = RIR_WAY(reg); + if (pvt->is_close_pg) idx = (ch_addr >> 6); else @@ -1259,13 +1465,11 @@ static int sbridge_get_onedevice(struct pci_dev **prev, { struct sbridge_dev *sbridge_dev; const struct pci_id_descr *dev_descr = &table->descr[devno]; - struct pci_dev *pdev = NULL; u8 bus = 0; sbridge_printk(KERN_DEBUG, - "Seeking for: dev %02x.%d PCI ID %04x:%04x\n", - dev_descr->dev, dev_descr->func, + "Seeking for: PCI ID %04x:%04x\n", PCI_VENDOR_ID_INTEL, dev_descr->dev_id); pdev = pci_get_device(PCI_VENDOR_ID_INTEL, @@ -1280,12 +1484,12 @@ static int sbridge_get_onedevice(struct pci_dev **prev, if (dev_descr->optional) return 0; + /* if the HA wasn't found */ if (devno == 0) return -ENODEV; sbridge_printk(KERN_INFO, - "Device not found: dev %02x.%d PCI ID %04x:%04x\n", - dev_descr->dev, dev_descr->func, + "Device not found: %04x:%04x\n", PCI_VENDOR_ID_INTEL, dev_descr->dev_id); /* End of list, leave */ @@ -1305,9 +1509,7 @@ static int sbridge_get_onedevice(struct pci_dev **prev, if (sbridge_dev->pdev[devno]) { sbridge_printk(KERN_ERR, - "Duplicated device for " - "dev %02x:%d.%d PCI ID %04x:%04x\n", - bus, dev_descr->dev, dev_descr->func, + "Duplicated device for %04x:%04x\n", PCI_VENDOR_ID_INTEL, dev_descr->dev_id); pci_dev_put(pdev); return -ENODEV; @@ -1315,30 +1517,15 @@ static int sbridge_get_onedevice(struct pci_dev **prev, sbridge_dev->pdev[devno] = pdev; - /* Sanity check */ - if (unlikely(PCI_SLOT(pdev->devfn) != dev_descr->dev || - PCI_FUNC(pdev->devfn) != dev_descr->func)) { - sbridge_printk(KERN_ERR, - "Device PCI ID %04x:%04x " - "has dev %02x:%d.%d instead of dev %02x:%02x.%d\n", - PCI_VENDOR_ID_INTEL, dev_descr->dev_id, - bus, PCI_SLOT(pdev->devfn), PCI_FUNC(pdev->devfn), - bus, dev_descr->dev, dev_descr->func); - return -ENODEV; - } - /* Be sure that the device is enabled */ if (unlikely(pci_enable_device(pdev) < 0)) { sbridge_printk(KERN_ERR, - "Couldn't enable " - "dev %02x:%d.%d PCI ID %04x:%04x\n", - bus, dev_descr->dev, dev_descr->func, + "Couldn't enable %04x:%04x\n", PCI_VENDOR_ID_INTEL, dev_descr->dev_id); return -ENODEV; } - edac_dbg(0, "Detected dev %02x:%d.%d PCI ID %04x:%04x\n", - bus, dev_descr->dev, dev_descr->func, + edac_dbg(0, "Detected %04x:%04x\n", PCI_VENDOR_ID_INTEL, dev_descr->dev_id); /* @@ -1355,10 +1542,9 @@ static int sbridge_get_onedevice(struct pci_dev **prev, /* * sbridge_get_all_devices - Find and perform 'get' operation on the MCH's - * device/functions we want to reference for this driver. - * Need to 'get' device 16 func 1 and func 2. + * devices we want to reference for this driver. * @num_mc: pointer to the memory controllers count, to be incremented in case - * of success. + * of success. * @table: model specific table * * returns 0 in case of success or error code @@ -1396,79 +1582,51 @@ static int sbridge_mci_bind_devs(struct mem_ctl_info *mci, { struct sbridge_pvt *pvt = mci->pvt_info; struct pci_dev *pdev; - int i, func, slot; + int i; for (i = 0; i < sbridge_dev->n_devs; i++) { pdev = sbridge_dev->pdev[i]; if (!pdev) continue; - slot = PCI_SLOT(pdev->devfn); - func = PCI_FUNC(pdev->devfn); - switch (slot) { - case 12: - switch (func) { - case 6: - pvt->pci_sad0 = pdev; - break; - case 7: - pvt->pci_sad1 = pdev; - break; - default: - goto error; - } + + switch (pdev->device) { + case PCI_DEVICE_ID_INTEL_SBRIDGE_SAD0: + pvt->pci_sad0 = pdev; break; - case 13: - switch (func) { - case 6: - pvt->pci_br0 = pdev; - break; - default: - goto error; - } + case PCI_DEVICE_ID_INTEL_SBRIDGE_SAD1: + pvt->pci_sad1 = pdev; break; - case 14: - switch (func) { - case 0: - pvt->pci_ha0 = pdev; - break; - default: - goto error; - } + case PCI_DEVICE_ID_INTEL_SBRIDGE_BR: + pvt->pci_br0 = pdev; break; - case 15: - switch (func) { - case 0: - pvt->pci_ta = pdev; - break; - case 1: - pvt->pci_ras = pdev; - break; - case 2: - case 3: - case 4: - case 5: - pvt->pci_tad[func - 2] = pdev; - break; - default: - goto error; - } + case PCI_DEVICE_ID_INTEL_SBRIDGE_IMC_HA0: + pvt->pci_ha0 = pdev; break; - case 17: - switch (func) { - case 0: - pvt->pci_ddrio = pdev; - break; - default: - goto error; - } + case PCI_DEVICE_ID_INTEL_SBRIDGE_IMC_TA: + pvt->pci_ta = pdev; + break; + case PCI_DEVICE_ID_INTEL_SBRIDGE_IMC_RAS: + pvt->pci_ras = pdev; + break; + case PCI_DEVICE_ID_INTEL_SBRIDGE_IMC_TAD0: + case PCI_DEVICE_ID_INTEL_SBRIDGE_IMC_TAD1: + case PCI_DEVICE_ID_INTEL_SBRIDGE_IMC_TAD2: + case PCI_DEVICE_ID_INTEL_SBRIDGE_IMC_TAD3: + { + int id = pdev->device - PCI_DEVICE_ID_INTEL_SBRIDGE_IMC_TAD0; + pvt->pci_tad[id] = pdev; + } + break; + case PCI_DEVICE_ID_INTEL_SBRIDGE_IMC_DDRIO: + pvt->pci_ddrio = pdev; break; default: goto error; } - edac_dbg(0, "Associated PCI %02x.%02d.%d with dev = %p\n", + edac_dbg(0, "Associated PCI %02x:%02x, bus %d with dev = %p\n", + pdev->vendor, pdev->device, sbridge_dev->bus, - PCI_SLOT(pdev->devfn), PCI_FUNC(pdev->devfn), pdev); } @@ -1488,9 +1646,8 @@ enodev: return -ENODEV; error: - sbridge_printk(KERN_ERR, "Device %d, function %d " - "is out of the expected range\n", - slot, func); + sbridge_printk(KERN_ERR, "Unexpected device %02x:%02x\n", + PCI_VENDOR_ID_INTEL, pdev->device); return -EINVAL; } @@ -1499,7 +1656,7 @@ static int ibridge_mci_bind_devs(struct mem_ctl_info *mci, { struct sbridge_pvt *pvt = mci->pvt_info; struct pci_dev *pdev, *tmp; - int i, func, slot; + int i; bool mode_2ha = false; tmp = pci_get_device(PCI_VENDOR_ID_INTEL, @@ -1513,79 +1670,60 @@ static int ibridge_mci_bind_devs(struct mem_ctl_info *mci, pdev = sbridge_dev->pdev[i]; if (!pdev) continue; - slot = PCI_SLOT(pdev->devfn); - func = PCI_FUNC(pdev->devfn); - switch (slot) { - case 14: - if (func == 0) { - pvt->pci_ha0 = pdev; - break; - } - goto error; - case 15: - switch (func) { - case 0: - pvt->pci_ta = pdev; - break; - case 1: - pvt->pci_ras = pdev; - break; - case 4: - case 5: - /* if we have 2 HAs active, channels 2 and 3 - * are in other device */ - if (mode_2ha) - break; - /* fall through */ - case 2: - case 3: - pvt->pci_tad[func - 2] = pdev; + switch (pdev->device) { + case PCI_DEVICE_ID_INTEL_IBRIDGE_IMC_HA0: + pvt->pci_ha0 = pdev; + break; + case PCI_DEVICE_ID_INTEL_IBRIDGE_IMC_HA0_TA: + pvt->pci_ta = pdev; + case PCI_DEVICE_ID_INTEL_IBRIDGE_IMC_HA0_RAS: + pvt->pci_ras = pdev; + break; + case PCI_DEVICE_ID_INTEL_IBRIDGE_IMC_HA0_TAD2: + case PCI_DEVICE_ID_INTEL_IBRIDGE_IMC_HA0_TAD3: + /* if we have 2 HAs active, channels 2 and 3 + * are in other device */ + if (mode_2ha) break; - default: - goto error; - } + /* fall through */ + case PCI_DEVICE_ID_INTEL_IBRIDGE_IMC_HA0_TAD0: + case PCI_DEVICE_ID_INTEL_IBRIDGE_IMC_HA0_TAD1: + { + int id = pdev->device - PCI_DEVICE_ID_INTEL_IBRIDGE_IMC_HA0_TAD0; + pvt->pci_tad[id] = pdev; + } break; - case 17: - if (func == 4) { + case PCI_DEVICE_ID_INTEL_IBRIDGE_IMC_2HA_DDRIO0: + pvt->pci_ddrio = pdev; + break; + case PCI_DEVICE_ID_INTEL_IBRIDGE_IMC_1HA_DDRIO0: + if (!mode_2ha) pvt->pci_ddrio = pdev; - break; - } else if (func == 0) { - if (!mode_2ha) - pvt->pci_ddrio = pdev; - break; - } - goto error; - case 22: - switch (func) { - case 0: - pvt->pci_sad0 = pdev; - break; - case 1: - pvt->pci_br0 = pdev; - break; - case 2: - pvt->pci_br1 = pdev; - break; - default: - goto error; - } break; - case 28: - if (func == 0) { - pvt->pci_ha1 = pdev; - break; - } - goto error; - case 29: + case PCI_DEVICE_ID_INTEL_IBRIDGE_SAD: + pvt->pci_sad0 = pdev; + break; + case PCI_DEVICE_ID_INTEL_IBRIDGE_BR0: + pvt->pci_br0 = pdev; + break; + case PCI_DEVICE_ID_INTEL_IBRIDGE_BR1: + pvt->pci_br1 = pdev; + break; + case PCI_DEVICE_ID_INTEL_IBRIDGE_IMC_HA1: + pvt->pci_ha1 = pdev; + break; + case PCI_DEVICE_ID_INTEL_IBRIDGE_IMC_HA1_TAD0: + case PCI_DEVICE_ID_INTEL_IBRIDGE_IMC_HA1_TAD1: + { + int id = pdev->device - PCI_DEVICE_ID_INTEL_IBRIDGE_IMC_HA1_TAD0 + 2; + /* we shouldn't have this device if we have just one * HA present */ WARN_ON(!mode_2ha); - if (func == 2 || func == 3) { - pvt->pci_tad[func] = pdev; - break; - } - goto error; + pvt->pci_tad[id] = pdev; + } + break; default: goto error; } @@ -1614,11 +1752,111 @@ enodev: error: sbridge_printk(KERN_ERR, - "Device %d, function %d is out of the expected range\n", - slot, func); + "Unexpected device %02x:%02x\n", PCI_VENDOR_ID_INTEL, + pdev->device); return -EINVAL; } +static int haswell_mci_bind_devs(struct mem_ctl_info *mci, + struct sbridge_dev *sbridge_dev) +{ + struct sbridge_pvt *pvt = mci->pvt_info; + struct pci_dev *pdev, *tmp; + int i; + bool mode_2ha = false; + + tmp = pci_get_device(PCI_VENDOR_ID_INTEL, + PCI_DEVICE_ID_INTEL_HASWELL_IMC_HA1, NULL); + if (tmp) { + mode_2ha = true; + pci_dev_put(tmp); + } + + /* there's only one device per system; not tied to any bus */ + if (pvt->info.pci_vtd == NULL) + /* result will be checked later */ + pvt->info.pci_vtd = pci_get_device(PCI_VENDOR_ID_INTEL, + PCI_DEVICE_ID_INTEL_HASWELL_IMC_VTD_MISC, + NULL); + + for (i = 0; i < sbridge_dev->n_devs; i++) { + pdev = sbridge_dev->pdev[i]; + if (!pdev) + continue; + + switch (pdev->device) { + case PCI_DEVICE_ID_INTEL_HASWELL_IMC_CBO_SAD0: + pvt->pci_sad0 = pdev; + break; + case PCI_DEVICE_ID_INTEL_HASWELL_IMC_CBO_SAD1: + pvt->pci_sad1 = pdev; + break; + case PCI_DEVICE_ID_INTEL_HASWELL_IMC_HA0: + pvt->pci_ha0 = pdev; + break; + case PCI_DEVICE_ID_INTEL_HASWELL_IMC_HA0_TA: + pvt->pci_ta = pdev; + break; + case PCI_DEVICE_ID_INTEL_HASWELL_IMC_HA0_THERMAL: + pvt->pci_ras = pdev; + break; + case PCI_DEVICE_ID_INTEL_HASWELL_IMC_HA0_TAD0: + pvt->pci_tad[0] = pdev; + break; + case PCI_DEVICE_ID_INTEL_HASWELL_IMC_HA0_TAD1: + pvt->pci_tad[1] = pdev; + break; + case PCI_DEVICE_ID_INTEL_HASWELL_IMC_HA0_TAD2: + if (!mode_2ha) + pvt->pci_tad[2] = pdev; + break; + case PCI_DEVICE_ID_INTEL_HASWELL_IMC_HA0_TAD3: + if (!mode_2ha) + pvt->pci_tad[3] = pdev; + break; + case PCI_DEVICE_ID_INTEL_HASWELL_IMC_DDRIO0: + pvt->pci_ddrio = pdev; + break; + case PCI_DEVICE_ID_INTEL_HASWELL_IMC_HA1: + pvt->pci_ha1 = pdev; + break; + case PCI_DEVICE_ID_INTEL_HASWELL_IMC_HA1_TA: + pvt->pci_ha1_ta = pdev; + break; + case PCI_DEVICE_ID_INTEL_HASWELL_IMC_HA1_TAD0: + if (mode_2ha) + pvt->pci_tad[2] = pdev; + break; + case PCI_DEVICE_ID_INTEL_HASWELL_IMC_HA1_TAD1: + if (mode_2ha) + pvt->pci_tad[3] = pdev; + break; + default: + break; + } + + edac_dbg(0, "Associated PCI %02x.%02d.%d with dev = %p\n", + sbridge_dev->bus, + PCI_SLOT(pdev->devfn), PCI_FUNC(pdev->devfn), + pdev); + } + + /* Check if everything were registered */ + if (!pvt->pci_sad0 || !pvt->pci_ha0 || !pvt->pci_sad1 || + !pvt->pci_ras || !pvt->pci_ta || !pvt->info.pci_vtd) + goto enodev; + + for (i = 0; i < NUM_CHANNELS; i++) { + if (!pvt->pci_tad[i]) + goto enodev; + } + return 0; + +enodev: + sbridge_printk(KERN_ERR, "Some needed devices are missing\n"); + return -ENODEV; +} + /**************************************************************************** Error check routines ****************************************************************************/ @@ -1736,6 +1974,9 @@ static void sbridge_mce_output_error(struct mem_ctl_info *mci, * EDAC core should be handling the channel mask, in order to point * to the group of dimm's where the error may be happening. */ + if (!pvt->is_lockstep && !pvt->is_mirrored && !pvt->is_close_pg) + channel = first_channel; + snprintf(msg, sizeof(msg), "%s%s area:%s err_code:%04x:%04x socket:%d channel_mask:%ld rank:%d", overflow ? " OVERFLOW" : "", @@ -1865,10 +2106,6 @@ static int sbridge_mce_check_error(struct notifier_block *nb, unsigned long val, "%u APIC %x\n", mce->cpuvendor, mce->cpuid, mce->time, mce->socketid, mce->apicid); - /* Only handle if it is the right mc controller */ - if (cpu_data(mce->cpu).phys_proc_id != pvt->sbridge_dev->mc) - return NOTIFY_DONE; - smp_rmb(); if ((pvt->mce_out + 1) % MCE_LOG_LEN == pvt->mce_in) { smp_wmb(); @@ -1932,7 +2169,7 @@ static int sbridge_register_mci(struct sbridge_dev *sbridge_dev, enum type type) int rc; /* Check the number of active and not disabled channels */ - rc = check_if_ecc_is_active(sbridge_dev->bus); + rc = check_if_ecc_is_active(sbridge_dev->bus, type); if (unlikely(rc < 0)) return rc; @@ -1971,11 +2208,15 @@ static int sbridge_register_mci(struct sbridge_dev *sbridge_dev, enum type type) mci->edac_check = sbridge_check_error; pvt->info.type = type; - if (type == IVY_BRIDGE) { + switch (type) { + case IVY_BRIDGE: pvt->info.rankcfgr = IB_RANK_CFG_A; pvt->info.get_tolm = ibridge_get_tolm; pvt->info.get_tohm = ibridge_get_tohm; pvt->info.dram_rule = ibridge_dram_rule; + pvt->info.get_memory_type = get_memory_type; + pvt->info.get_node_id = get_node_id; + pvt->info.rir_limit = rir_limit; pvt->info.max_sad = ARRAY_SIZE(ibridge_dram_rule); pvt->info.interleave_list = ibridge_interleave_list; pvt->info.max_interleave = ARRAY_SIZE(ibridge_interleave_list); @@ -1986,11 +2227,15 @@ static int sbridge_register_mci(struct sbridge_dev *sbridge_dev, enum type type) rc = ibridge_mci_bind_devs(mci, sbridge_dev); if (unlikely(rc < 0)) goto fail0; - } else { + break; + case SANDY_BRIDGE: pvt->info.rankcfgr = SB_RANK_CFG_A; pvt->info.get_tolm = sbridge_get_tolm; pvt->info.get_tohm = sbridge_get_tohm; pvt->info.dram_rule = sbridge_dram_rule; + pvt->info.get_memory_type = get_memory_type; + pvt->info.get_node_id = get_node_id; + pvt->info.rir_limit = rir_limit; pvt->info.max_sad = ARRAY_SIZE(sbridge_dram_rule); pvt->info.interleave_list = sbridge_interleave_list; pvt->info.max_interleave = ARRAY_SIZE(sbridge_interleave_list); @@ -2001,8 +2246,27 @@ static int sbridge_register_mci(struct sbridge_dev *sbridge_dev, enum type type) rc = sbridge_mci_bind_devs(mci, sbridge_dev); if (unlikely(rc < 0)) goto fail0; - } + break; + case HASWELL: + /* rankcfgr isn't used */ + pvt->info.get_tolm = haswell_get_tolm; + pvt->info.get_tohm = haswell_get_tohm; + pvt->info.dram_rule = ibridge_dram_rule; + pvt->info.get_memory_type = haswell_get_memory_type; + pvt->info.get_node_id = haswell_get_node_id; + pvt->info.rir_limit = haswell_rir_limit; + pvt->info.max_sad = ARRAY_SIZE(ibridge_dram_rule); + pvt->info.interleave_list = ibridge_interleave_list; + pvt->info.max_interleave = ARRAY_SIZE(ibridge_interleave_list); + pvt->info.interleave_pkg = ibridge_interleave_pkg; + mci->ctl_name = kasprintf(GFP_KERNEL, "Haswell Socket#%d", mci->mc_idx); + /* Store pci devices at mci for faster access */ + rc = haswell_mci_bind_devs(mci, sbridge_dev); + if (unlikely(rc < 0)) + goto fail0; + break; + } /* Get dimm basic config and the memory layout */ get_dimm_config(mci); @@ -2037,10 +2301,10 @@ fail0: static int sbridge_probe(struct pci_dev *pdev, const struct pci_device_id *id) { - int rc; + int rc = -ENODEV; u8 mc, num_mc = 0; struct sbridge_dev *sbridge_dev; - enum type type; + enum type type = SANDY_BRIDGE; /* get the pci devices we want to reserve for our use */ mutex_lock(&sbridge_edac_lock); @@ -2054,12 +2318,19 @@ static int sbridge_probe(struct pci_dev *pdev, const struct pci_device_id *id) } probed++; - if (pdev->device == PCI_DEVICE_ID_INTEL_IBRIDGE_IMC_HA0_TA) { + switch (pdev->device) { + case PCI_DEVICE_ID_INTEL_IBRIDGE_IMC_HA0_TA: rc = sbridge_get_all_devices(&num_mc, pci_dev_descr_ibridge_table); type = IVY_BRIDGE; - } else { + break; + case PCI_DEVICE_ID_INTEL_SBRIDGE_IMC_TA: rc = sbridge_get_all_devices(&num_mc, pci_dev_descr_sbridge_table); type = SANDY_BRIDGE; + break; + case PCI_DEVICE_ID_INTEL_HASWELL_IMC_HA0: + rc = sbridge_get_all_devices(&num_mc, pci_dev_descr_haswell_table); + type = HASWELL; + break; } if (unlikely(rc < 0)) goto fail0; @@ -2068,6 +2339,7 @@ static int sbridge_probe(struct pci_dev *pdev, const struct pci_device_id *id) list_for_each_entry(sbridge_dev, &sbridge_edac_list, list) { edac_dbg(0, "Registering MC#%d (%d of %d)\n", mc, mc + 1, num_mc); + sbridge_dev->mc = mc++; rc = sbridge_register_mci(sbridge_dev, type); if (unlikely(rc < 0)) diff --git a/drivers/gpu/drm/ast/ast_drv.c b/drivers/gpu/drm/ast/ast_drv.c index 44074fbcf7ff..f19682a93c24 100644 --- a/drivers/gpu/drm/ast/ast_drv.c +++ b/drivers/gpu/drm/ast/ast_drv.c @@ -51,7 +51,7 @@ static struct drm_driver driver; .subdevice = PCI_ANY_ID, \ .driver_data = (unsigned long) info } -static DEFINE_PCI_DEVICE_TABLE(pciidlist) = { +static const struct pci_device_id pciidlist[] = { AST_VGA_DEVICE(PCI_CHIP_AST2000, NULL), AST_VGA_DEVICE(PCI_CHIP_AST2100, NULL), /* AST_VGA_DEVICE(PCI_CHIP_AST1180, NULL), - don't bind to 1180 for now */ diff --git a/drivers/gpu/drm/bochs/bochs_drv.c b/drivers/gpu/drm/bochs/bochs_drv.c index f5e0ead974a6..9738e9b14708 100644 --- a/drivers/gpu/drm/bochs/bochs_drv.c +++ b/drivers/gpu/drm/bochs/bochs_drv.c @@ -177,7 +177,7 @@ static void bochs_pci_remove(struct pci_dev *pdev) drm_put_dev(dev); } -static DEFINE_PCI_DEVICE_TABLE(bochs_pci_tbl) = { +static const struct pci_device_id bochs_pci_tbl[] = { { .vendor = 0x1234, .device = 0x1111, diff --git a/drivers/gpu/drm/cirrus/cirrus_drv.c b/drivers/gpu/drm/cirrus/cirrus_drv.c index 4516b052cc67..919c73b94447 100644 --- a/drivers/gpu/drm/cirrus/cirrus_drv.c +++ b/drivers/gpu/drm/cirrus/cirrus_drv.c @@ -29,7 +29,7 @@ module_param_named(modeset, cirrus_modeset, int, 0400); static struct drm_driver driver; /* only bind to the cirrus chip in qemu */ -static DEFINE_PCI_DEVICE_TABLE(pciidlist) = { +static const struct pci_device_id pciidlist[] = { { PCI_VENDOR_ID_CIRRUS, PCI_DEVICE_ID_CIRRUS_5446, 0x1af4, 0x1100, 0, 0, 0 }, {0,} diff --git a/drivers/gpu/drm/gma500/oaktrail_hdmi.c b/drivers/gpu/drm/gma500/oaktrail_hdmi.c index e6f5c620a0a2..54f73f50571a 100644 --- a/drivers/gpu/drm/gma500/oaktrail_hdmi.c +++ b/drivers/gpu/drm/gma500/oaktrail_hdmi.c @@ -674,7 +674,7 @@ failed_connector: kfree(gma_encoder); } -static DEFINE_PCI_DEVICE_TABLE(hdmi_ids) = { +static const struct pci_device_id hdmi_ids[] = { { PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0x080d) }, { 0 } }; diff --git a/drivers/gpu/drm/gma500/psb_drv.c b/drivers/gpu/drm/gma500/psb_drv.c index 6e8fe9ec02b5..eec993f93b1a 100644 --- a/drivers/gpu/drm/gma500/psb_drv.c +++ b/drivers/gpu/drm/gma500/psb_drv.c @@ -54,7 +54,7 @@ static int psb_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent); * PowerVR SGX545 - Cedartrail - Intel GMA 3650, Intel Atom D2550, D2700, * N2800 */ -static DEFINE_PCI_DEVICE_TABLE(pciidlist) = { +static const struct pci_device_id pciidlist[] = { { 0x8086, 0x8108, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &psb_chip_ops }, { 0x8086, 0x8109, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &psb_chip_ops }, #if defined(CONFIG_DRM_GMA600) diff --git a/drivers/gpu/drm/mgag200/mgag200_drv.c b/drivers/gpu/drm/mgag200/mgag200_drv.c index f15ea3c4a90a..2d75d6df0789 100644 --- a/drivers/gpu/drm/mgag200/mgag200_drv.c +++ b/drivers/gpu/drm/mgag200/mgag200_drv.c @@ -28,7 +28,7 @@ module_param_named(modeset, mgag200_modeset, int, 0400); static struct drm_driver driver; -static DEFINE_PCI_DEVICE_TABLE(pciidlist) = { +static const struct pci_device_id pciidlist[] = { { PCI_VENDOR_ID_MATROX, 0x522, PCI_ANY_ID, PCI_ANY_ID, 0, 0, G200_SE_A }, { PCI_VENDOR_ID_MATROX, 0x524, PCI_ANY_ID, PCI_ANY_ID, 0, 0, G200_SE_B }, { PCI_VENDOR_ID_MATROX, 0x530, PCI_ANY_ID, PCI_ANY_ID, 0, 0, G200_EV }, diff --git a/drivers/gpu/drm/nouveau/core/core/client.c b/drivers/gpu/drm/nouveau/core/core/client.c index 10598dede9e9..68bf06768123 100644 --- a/drivers/gpu/drm/nouveau/core/core/client.c +++ b/drivers/gpu/drm/nouveau/core/core/client.c @@ -132,12 +132,12 @@ nvkm_client_notify_new(struct nouveau_client *client, if (ret == 0) { client->notify[index] = notify; notify->client = client; - return 0; + return index; } } kfree(notify); - return 0; + return ret; } static int diff --git a/drivers/gpu/drm/nouveau/core/engine/device/nve0.c b/drivers/gpu/drm/nouveau/core/engine/device/nve0.c index 54ec53bc6252..cdf9147f32a1 100644 --- a/drivers/gpu/drm/nouveau/core/engine/device/nve0.c +++ b/drivers/gpu/drm/nouveau/core/engine/device/nve0.c @@ -163,6 +163,7 @@ nve0_identify(struct nouveau_device *device) device->oclass[NVDEV_SUBDEV_BUS ] = nvc0_bus_oclass; device->oclass[NVDEV_SUBDEV_TIMER ] = &gk20a_timer_oclass; device->oclass[NVDEV_SUBDEV_FB ] = gk20a_fb_oclass; + device->oclass[NVDEV_SUBDEV_LTC ] = gk104_ltc_oclass; device->oclass[NVDEV_SUBDEV_IBUS ] = &gk20a_ibus_oclass; device->oclass[NVDEV_SUBDEV_INSTMEM] = nv50_instmem_oclass; device->oclass[NVDEV_SUBDEV_VM ] = &nvc0_vmmgr_oclass; diff --git a/drivers/gpu/drm/nouveau/core/engine/graph/nvc0.c b/drivers/gpu/drm/nouveau/core/engine/graph/nvc0.c index db19191176fa..30fd1dc64f93 100644 --- a/drivers/gpu/drm/nouveau/core/engine/graph/nvc0.c +++ b/drivers/gpu/drm/nouveau/core/engine/graph/nvc0.c @@ -68,6 +68,9 @@ nvc0_graph_zbc_color_get(struct nvc0_graph_priv *priv, int format, } } + if (zbc < 0) + return zbc; + memcpy(priv->zbc_color[zbc].ds, ds, sizeof(priv->zbc_color[zbc].ds)); memcpy(priv->zbc_color[zbc].l2, l2, sizeof(priv->zbc_color[zbc].l2)); priv->zbc_color[zbc].format = format; @@ -109,6 +112,9 @@ nvc0_graph_zbc_depth_get(struct nvc0_graph_priv *priv, int format, } } + if (zbc < 0) + return zbc; + priv->zbc_depth[zbc].format = format; priv->zbc_depth[zbc].ds = ds; priv->zbc_depth[zbc].l2 = l2; diff --git a/drivers/gpu/drm/nouveau/core/include/core/client.h b/drivers/gpu/drm/nouveau/core/include/core/client.h index 4fc6ab12382d..1794a05205d8 100644 --- a/drivers/gpu/drm/nouveau/core/include/core/client.h +++ b/drivers/gpu/drm/nouveau/core/include/core/client.h @@ -14,7 +14,7 @@ struct nouveau_client { void *data; int (*ntfy)(const void *, u32, const void *, u32); - struct nvkm_client_notify *notify[8]; + struct nvkm_client_notify *notify[16]; }; static inline struct nouveau_client * diff --git a/drivers/gpu/drm/nouveau/core/subdev/bar/base.c b/drivers/gpu/drm/nouveau/core/subdev/bar/base.c index 73b1ed20c8d5..8bcbdf39cfb2 100644 --- a/drivers/gpu/drm/nouveau/core/subdev/bar/base.c +++ b/drivers/gpu/drm/nouveau/core/subdev/bar/base.c @@ -99,8 +99,13 @@ nouveau_bar_alloc(struct nouveau_bar *bar, struct nouveau_object *parent, struct nouveau_mem *mem, struct nouveau_object **pobject) { struct nouveau_object *engine = nv_object(bar); - return nouveau_object_ctor(parent, engine, &nouveau_barobj_oclass, - mem, 0, pobject); + int ret = -ENOMEM; + if (bar->iomem) { + ret = nouveau_object_ctor(parent, engine, + &nouveau_barobj_oclass, + mem, 0, pobject); + } + return ret; } int @@ -118,9 +123,12 @@ nouveau_bar_create_(struct nouveau_object *parent, if (ret) return ret; - if (nv_device_resource_len(device, 3) != 0) + if (nv_device_resource_len(device, 3) != 0) { bar->iomem = ioremap(nv_device_resource_start(device, 3), nv_device_resource_len(device, 3)); + if (!bar->iomem) + nv_warn(bar, "PRAMIN ioremap failed\n"); + } return 0; } diff --git a/drivers/gpu/drm/nouveau/core/subdev/fb/ramnvc0.c b/drivers/gpu/drm/nouveau/core/subdev/fb/ramnvc0.c index 946518572346..2b284b192763 100644 --- a/drivers/gpu/drm/nouveau/core/subdev/fb/ramnvc0.c +++ b/drivers/gpu/drm/nouveau/core/subdev/fb/ramnvc0.c @@ -554,13 +554,13 @@ nvc0_ram_create_(struct nouveau_object *parent, struct nouveau_object *engine, } else { /* otherwise, address lowest common amount from 0GiB */ ret = nouveau_mm_init(&pfb->vram, rsvd_head, - (bsize << 8) * parts, 1); + (bsize << 8) * parts - rsvd_head, 1); if (ret) return ret; /* and the rest starting from (8GiB + common_size) */ offset = (0x0200000000ULL >> 12) + (bsize << 8); - length = (ram->size >> 12) - (bsize << 8) - rsvd_tail; + length = (ram->size >> 12) - ((bsize * parts) << 8) - rsvd_tail; ret = nouveau_mm_init(&pfb->vram, offset, length, 0); if (ret) diff --git a/drivers/gpu/drm/nouveau/core/subdev/ltc/gf100.c b/drivers/gpu/drm/nouveau/core/subdev/ltc/gf100.c index 9e00a1ede120..b54b582e72c4 100644 --- a/drivers/gpu/drm/nouveau/core/subdev/ltc/gf100.c +++ b/drivers/gpu/drm/nouveau/core/subdev/ltc/gf100.c @@ -156,7 +156,7 @@ gf100_ltc_init_tag_ram(struct nouveau_fb *pfb, struct nvkm_ltc_priv *priv) if (ret) { priv->num_tags = 0; } else { - u64 tag_base = (priv->tag_ram->offset << 12) + tag_margin; + u64 tag_base = ((u64)priv->tag_ram->offset << 12) + tag_margin; tag_base += tag_align - 1; ret = do_div(tag_base, tag_align); diff --git a/drivers/gpu/drm/nouveau/nouveau_bo.c b/drivers/gpu/drm/nouveau/nouveau_bo.c index da5d631aa5b9..01da508625f2 100644 --- a/drivers/gpu/drm/nouveau/nouveau_bo.c +++ b/drivers/gpu/drm/nouveau/nouveau_bo.c @@ -1228,7 +1228,6 @@ nouveau_ttm_io_mem_reserve(struct ttm_bo_device *bdev, struct ttm_mem_reg *mem) struct ttm_mem_type_manager *man = &bdev->man[mem->mem_type]; struct nouveau_drm *drm = nouveau_bdev(bdev); struct nouveau_mem *node = mem->mm_node; - struct drm_device *dev = drm->dev; int ret; mem->bus.addr = NULL; @@ -1247,7 +1246,7 @@ nouveau_ttm_io_mem_reserve(struct ttm_bo_device *bdev, struct ttm_mem_reg *mem) if (drm->agp.stat == ENABLED) { mem->bus.offset = mem->start << PAGE_SHIFT; mem->bus.base = drm->agp.base; - mem->bus.is_iomem = !dev->agp->cant_use_aperture; + mem->bus.is_iomem = !drm->dev->agp->cant_use_aperture; } #endif if (drm->device.info.family < NV_DEVICE_INFO_V0_TESLA || !node->memtype) diff --git a/drivers/gpu/drm/nouveau/nouveau_display.c b/drivers/gpu/drm/nouveau/nouveau_display.c index 1cc7b603c753..65b4fd53dd4e 100644 --- a/drivers/gpu/drm/nouveau/nouveau_display.c +++ b/drivers/gpu/drm/nouveau/nouveau_display.c @@ -592,7 +592,9 @@ nouveau_display_repin(struct drm_device *dev) if (!nouveau_fb || !nouveau_fb->nvbo) continue; - nouveau_bo_pin(nouveau_fb->nvbo, TTM_PL_FLAG_VRAM); + ret = nouveau_bo_pin(nouveau_fb->nvbo, TTM_PL_FLAG_VRAM); + if (ret) + NV_ERROR(drm, "Could not pin framebuffer\n"); } list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { diff --git a/drivers/gpu/drm/nouveau/nouveau_fbcon.c b/drivers/gpu/drm/nouveau/nouveau_fbcon.c index ebfe3180109e..8bdd27091db8 100644 --- a/drivers/gpu/drm/nouveau/nouveau_fbcon.c +++ b/drivers/gpu/drm/nouveau/nouveau_fbcon.c @@ -226,7 +226,7 @@ nouveau_fbcon_accel_restore(struct drm_device *dev) } } -void +static void nouveau_fbcon_accel_fini(struct drm_device *dev) { struct nouveau_drm *drm = nouveau_drm(dev); @@ -246,7 +246,7 @@ nouveau_fbcon_accel_fini(struct drm_device *dev) } } -void +static void nouveau_fbcon_accel_init(struct drm_device *dev) { struct nouveau_drm *drm = nouveau_drm(dev); diff --git a/drivers/gpu/drm/nouveau/nouveau_platform.c b/drivers/gpu/drm/nouveau/nouveau_platform.c index 0ffeb50d0088..246a824c16ca 100644 --- a/drivers/gpu/drm/nouveau/nouveau_platform.c +++ b/drivers/gpu/drm/nouveau/nouveau_platform.c @@ -149,7 +149,8 @@ power_down: static int nouveau_platform_remove(struct platform_device *pdev) { struct drm_device *drm_dev = platform_get_drvdata(pdev); - struct nouveau_device *device = nouveau_dev(drm_dev); + struct nouveau_drm *drm = nouveau_drm(drm_dev); + struct nouveau_device *device = nvkm_device(&drm->device); struct nouveau_platform_gpu *gpu = nv_device_to_platform(device)->gpu; nouveau_drm_device_remove(drm_dev); diff --git a/drivers/gpu/drm/nouveau/nvif/class.h b/drivers/gpu/drm/nouveau/nvif/class.h index cc81e0e5fd30..573491f84792 100644 --- a/drivers/gpu/drm/nouveau/nvif/class.h +++ b/drivers/gpu/drm/nouveau/nvif/class.h @@ -428,8 +428,8 @@ struct nv50_disp_dac_pwr_v0 { struct nv50_disp_dac_load_v0 { __u8 version; __u8 load; - __u16 data; - __u8 pad04[4]; + __u8 pad02[2]; + __u32 data; }; struct nv50_disp_sor_pwr_v0 { diff --git a/drivers/gpu/drm/nouveau/nvif/notify.c b/drivers/gpu/drm/nouveau/nvif/notify.c index 7c06123a559c..0898c3155292 100644 --- a/drivers/gpu/drm/nouveau/nvif/notify.c +++ b/drivers/gpu/drm/nouveau/nvif/notify.c @@ -87,12 +87,25 @@ nvif_notify_get(struct nvif_notify *notify) return 0; } +static inline int +nvif_notify_func(struct nvif_notify *notify, bool keep) +{ + int ret = notify->func(notify); + if (ret == NVIF_NOTIFY_KEEP || + !test_and_clear_bit(NVKM_NOTIFY_USER, ¬ify->flags)) { + if (!keep) + atomic_dec(¬ify->putcnt); + else + nvif_notify_get_(notify); + } + return ret; +} + static void nvif_notify_work(struct work_struct *work) { struct nvif_notify *notify = container_of(work, typeof(*notify), work); - if (notify->func(notify) == NVIF_NOTIFY_KEEP) - nvif_notify_get_(notify); + nvif_notify_func(notify, true); } int @@ -113,19 +126,15 @@ nvif_notify(const void *header, u32 length, const void *data, u32 size) if (!WARN_ON(notify == NULL)) { struct nvif_client *client = nvif_client(notify->object); if (!WARN_ON(notify->size != size)) { + atomic_inc(¬ify->putcnt); if (test_bit(NVIF_NOTIFY_WORK, ¬ify->flags)) { - atomic_inc(¬ify->putcnt); memcpy((void *)notify->data, data, size); schedule_work(¬ify->work); return NVIF_NOTIFY_DROP; } notify->data = data; - ret = notify->func(notify); + ret = nvif_notify_func(notify, client->driver->keep); notify->data = NULL; - if (ret != NVIF_NOTIFY_DROP && client->driver->keep) { - atomic_inc(¬ify->putcnt); - nvif_notify_get_(notify); - } } } @@ -228,8 +237,10 @@ nvif_notify_new(struct nvif_object *object, int (*func)(struct nvif_notify *), if (notify) { int ret = nvif_notify_init(object, nvif_notify_del, func, work, type, data, size, reply, notify); - if (ret) + if (ret) { kfree(notify); + notify = NULL; + } *pnotify = notify; return ret; } diff --git a/drivers/gpu/drm/nouveau/nvif/object.c b/drivers/gpu/drm/nouveau/nvif/object.c index b0c82206ece2..dd85b56f6aa5 100644 --- a/drivers/gpu/drm/nouveau/nvif/object.c +++ b/drivers/gpu/drm/nouveau/nvif/object.c @@ -275,8 +275,10 @@ nvif_object_new(struct nvif_object *parent, u32 handle, u32 oclass, if (object) { int ret = nvif_object_init(parent, nvif_object_del, handle, oclass, data, size, object); - if (ret) + if (ret) { kfree(object); + object = NULL; + } *pobject = object; return ret; } diff --git a/drivers/gpu/drm/qxl/qxl_drv.c b/drivers/gpu/drm/qxl/qxl_drv.c index 6e936634d65c..a3fd92029a14 100644 --- a/drivers/gpu/drm/qxl/qxl_drv.c +++ b/drivers/gpu/drm/qxl/qxl_drv.c @@ -38,7 +38,7 @@ #include "qxl_object.h" extern int qxl_max_ioctls; -static DEFINE_PCI_DEVICE_TABLE(pciidlist) = { +static const struct pci_device_id pciidlist[] = { { 0x1b36, 0x100, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_DISPLAY_VGA << 8, 0xffff00, 0 }, { 0x1b36, 0x100, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_DISPLAY_OTHER << 8, diff --git a/drivers/hid/wacom_sys.c b/drivers/hid/wacom_sys.c index 3e388ec31da8..f0db7eca9023 100644 --- a/drivers/hid/wacom_sys.c +++ b/drivers/hid/wacom_sys.c @@ -1416,6 +1416,7 @@ static void wacom_remove(struct hid_device *hdev) kfree(wacom); } +#ifdef CONFIG_PM static int wacom_resume(struct hid_device *hdev) { struct wacom *wacom = hid_get_drvdata(hdev); @@ -1436,6 +1437,7 @@ static int wacom_reset_resume(struct hid_device *hdev) { return wacom_resume(hdev); } +#endif /* CONFIG_PM */ static struct hid_driver wacom_driver = { .name = "wacom", diff --git a/drivers/hwmon/adm1025.c b/drivers/hwmon/adm1025.c index d3d0e8cf27b4..d6c767ace916 100644 --- a/drivers/hwmon/adm1025.c +++ b/drivers/hwmon/adm1025.c @@ -382,6 +382,9 @@ static ssize_t set_vrm(struct device *dev, struct device_attribute *attr, if (err) return err; + if (val > 255) + return -EINVAL; + data->vrm = val; return count; } diff --git a/drivers/hwmon/adm1026.c b/drivers/hwmon/adm1026.c index ca8430f92564..e67b9a50ac7c 100644 --- a/drivers/hwmon/adm1026.c +++ b/drivers/hwmon/adm1026.c @@ -1085,6 +1085,9 @@ static ssize_t store_vrm_reg(struct device *dev, struct device_attribute *attr, if (err) return err; + if (val > 255) + return -EINVAL; + data->vrm = val; return count; } diff --git a/drivers/hwmon/ads1015.c b/drivers/hwmon/ads1015.c index 22e0c926989d..126516414c11 100644 --- a/drivers/hwmon/ads1015.c +++ b/drivers/hwmon/ads1015.c @@ -212,6 +212,7 @@ static int ads1015_get_channels_config_of(struct i2c_client *client) dev_err(&client->dev, "invalid gain on %s\n", node->full_name); + return -EINVAL; } } @@ -222,6 +223,7 @@ static int ads1015_get_channels_config_of(struct i2c_client *client) dev_err(&client->dev, "invalid data_rate on %s\n", node->full_name); + return -EINVAL; } } diff --git a/drivers/hwmon/asb100.c b/drivers/hwmon/asb100.c index f96063680e58..272fcc837ecc 100644 --- a/drivers/hwmon/asb100.c +++ b/drivers/hwmon/asb100.c @@ -510,6 +510,10 @@ static ssize_t set_vrm(struct device *dev, struct device_attribute *attr, err = kstrtoul(buf, 10, &val); if (err) return err; + + if (val > 255) + return -EINVAL; + data->vrm = val; return count; } diff --git a/drivers/hwmon/dme1737.c b/drivers/hwmon/dme1737.c index 4ae3fff13f44..bea0a344fab5 100644 --- a/drivers/hwmon/dme1737.c +++ b/drivers/hwmon/dme1737.c @@ -247,8 +247,8 @@ struct dme1737_data { u8 pwm_acz[3]; u8 pwm_freq[6]; u8 pwm_rr[2]; - u8 zone_low[3]; - u8 zone_abs[3]; + s8 zone_low[3]; + s8 zone_abs[3]; u8 zone_hyst[2]; u32 alarms; }; @@ -277,7 +277,7 @@ static inline int IN_FROM_REG(int reg, int nominal, int res) return (reg * nominal + (3 << (res - 3))) / (3 << (res - 2)); } -static inline int IN_TO_REG(int val, int nominal) +static inline int IN_TO_REG(long val, int nominal) { return clamp_val((val * 192 + nominal / 2) / nominal, 0, 255); } @@ -293,7 +293,7 @@ static inline int TEMP_FROM_REG(int reg, int res) return (reg * 1000) >> (res - 8); } -static inline int TEMP_TO_REG(int val) +static inline int TEMP_TO_REG(long val) { return clamp_val((val < 0 ? val - 500 : val + 500) / 1000, -128, 127); } @@ -308,7 +308,7 @@ static inline int TEMP_RANGE_FROM_REG(int reg) return TEMP_RANGE[(reg >> 4) & 0x0f]; } -static int TEMP_RANGE_TO_REG(int val, int reg) +static int TEMP_RANGE_TO_REG(long val, int reg) { int i; @@ -331,7 +331,7 @@ static inline int TEMP_HYST_FROM_REG(int reg, int ix) return (((ix == 1) ? reg : reg >> 4) & 0x0f) * 1000; } -static inline int TEMP_HYST_TO_REG(int val, int ix, int reg) +static inline int TEMP_HYST_TO_REG(long val, int ix, int reg) { int hyst = clamp_val((val + 500) / 1000, 0, 15); @@ -347,7 +347,7 @@ static inline int FAN_FROM_REG(int reg, int tpc) return (reg == 0 || reg == 0xffff) ? 0 : 90000 * 60 / reg; } -static inline int FAN_TO_REG(int val, int tpc) +static inline int FAN_TO_REG(long val, int tpc) { if (tpc) { return clamp_val(val / tpc, 0, 0xffff); @@ -379,7 +379,7 @@ static inline int FAN_TYPE_FROM_REG(int reg) return (edge > 0) ? 1 << (edge - 1) : 0; } -static inline int FAN_TYPE_TO_REG(int val, int reg) +static inline int FAN_TYPE_TO_REG(long val, int reg) { int edge = (val == 4) ? 3 : val; @@ -402,7 +402,7 @@ static int FAN_MAX_FROM_REG(int reg) return 1000 + i * 500; } -static int FAN_MAX_TO_REG(int val) +static int FAN_MAX_TO_REG(long val) { int i; @@ -460,7 +460,7 @@ static inline int PWM_ACZ_FROM_REG(int reg) return acz[(reg >> 5) & 0x07]; } -static inline int PWM_ACZ_TO_REG(int val, int reg) +static inline int PWM_ACZ_TO_REG(long val, int reg) { int acz = (val == 4) ? 2 : val - 1; @@ -476,7 +476,7 @@ static inline int PWM_FREQ_FROM_REG(int reg) return PWM_FREQ[reg & 0x0f]; } -static int PWM_FREQ_TO_REG(int val, int reg) +static int PWM_FREQ_TO_REG(long val, int reg) { int i; @@ -510,7 +510,7 @@ static inline int PWM_RR_FROM_REG(int reg, int ix) return (rr & 0x08) ? PWM_RR[rr & 0x07] : 0; } -static int PWM_RR_TO_REG(int val, int ix, int reg) +static int PWM_RR_TO_REG(long val, int ix, int reg) { int i; @@ -528,7 +528,7 @@ static inline int PWM_RR_EN_FROM_REG(int reg, int ix) return PWM_RR_FROM_REG(reg, ix) ? 1 : 0; } -static inline int PWM_RR_EN_TO_REG(int val, int ix, int reg) +static inline int PWM_RR_EN_TO_REG(long val, int ix, int reg) { int en = (ix == 1) ? 0x80 : 0x08; @@ -1481,13 +1481,16 @@ static ssize_t set_vrm(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { struct dme1737_data *data = dev_get_drvdata(dev); - long val; + unsigned long val; int err; - err = kstrtol(buf, 10, &val); + err = kstrtoul(buf, 10, &val); if (err) return err; + if (val > 255) + return -EINVAL; + data->vrm = val; return count; } diff --git a/drivers/hwmon/emc6w201.c b/drivers/hwmon/emc6w201.c index e87da902f3ae..ada90716448d 100644 --- a/drivers/hwmon/emc6w201.c +++ b/drivers/hwmon/emc6w201.c @@ -252,12 +252,12 @@ static ssize_t set_temp(struct device *dev, struct device_attribute *devattr, if (err < 0) return err; - val /= 1000; + val = DIV_ROUND_CLOSEST(val, 1000); reg = (sf == min) ? EMC6W201_REG_TEMP_LOW(nr) : EMC6W201_REG_TEMP_HIGH(nr); mutex_lock(&data->update_lock); - data->temp[sf][nr] = clamp_val(val, -127, 128); + data->temp[sf][nr] = clamp_val(val, -127, 127); err = emc6w201_write8(client, reg, data->temp[sf][nr]); mutex_unlock(&data->update_lock); diff --git a/drivers/hwmon/hih6130.c b/drivers/hwmon/hih6130.c index 0e01c4e13e33..7b73d2002d3e 100644 --- a/drivers/hwmon/hih6130.c +++ b/drivers/hwmon/hih6130.c @@ -238,6 +238,9 @@ static int hih6130_probe(struct i2c_client *client, hih6130->client = client; mutex_init(&hih6130->lock); + if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_QUICK)) + hih6130->write_length = 1; + hwmon_dev = devm_hwmon_device_register_with_groups(dev, client->name, hih6130, hih6130_groups); diff --git a/drivers/hwmon/lm87.c b/drivers/hwmon/lm87.c index ba1d83d48056..a5e295826aea 100644 --- a/drivers/hwmon/lm87.c +++ b/drivers/hwmon/lm87.c @@ -617,6 +617,10 @@ static ssize_t set_vrm(struct device *dev, struct device_attribute *attr, err = kstrtoul(buf, 10, &val); if (err) return err; + + if (val > 255) + return -EINVAL; + data->vrm = val; return count; } diff --git a/drivers/hwmon/lm92.c b/drivers/hwmon/lm92.c index d2060e245ff5..cfaf70b9cba7 100644 --- a/drivers/hwmon/lm92.c +++ b/drivers/hwmon/lm92.c @@ -74,12 +74,9 @@ static inline int TEMP_FROM_REG(s16 reg) return reg / 8 * 625 / 10; } -static inline s16 TEMP_TO_REG(int val) +static inline s16 TEMP_TO_REG(long val) { - if (val <= -60000) - return -60000 * 10 / 625 * 8; - if (val >= 160000) - return 160000 * 10 / 625 * 8; + val = clamp_val(val, -60000, 160000); return val * 10 / 625 * 8; } @@ -206,10 +203,12 @@ static ssize_t set_temp_hyst(struct device *dev, if (err) return err; + val = clamp_val(val, -120000, 220000); mutex_lock(&data->update_lock); - data->temp[t_hyst] = TEMP_FROM_REG(data->temp[attr->index]) - val; + data->temp[t_hyst] = + TEMP_TO_REG(TEMP_FROM_REG(data->temp[attr->index]) - val); i2c_smbus_write_word_swapped(client, LM92_REG_TEMP_HYST, - TEMP_TO_REG(data->temp[t_hyst])); + data->temp[t_hyst]); mutex_unlock(&data->update_lock); return count; } diff --git a/drivers/hwmon/pc87360.c b/drivers/hwmon/pc87360.c index 988181e4cfcd..145f674c1d87 100644 --- a/drivers/hwmon/pc87360.c +++ b/drivers/hwmon/pc87360.c @@ -615,6 +615,9 @@ static ssize_t set_vrm(struct device *dev, struct device_attribute *attr, if (err) return err; + if (val > 255) + return -EINVAL; + data->vrm = val; return count; } diff --git a/drivers/hwmon/tmp103.c b/drivers/hwmon/tmp103.c index c74d2da389d9..e42964f07f67 100644 --- a/drivers/hwmon/tmp103.c +++ b/drivers/hwmon/tmp103.c @@ -131,13 +131,6 @@ static int tmp103_probe(struct i2c_client *client, struct regmap *regmap; int ret; - if (!i2c_check_functionality(client->adapter, - I2C_FUNC_SMBUS_BYTE_DATA)) { - dev_err(&client->dev, - "adapter doesn't support SMBus byte transactions\n"); - return -ENODEV; - } - regmap = devm_regmap_init_i2c(client, &tmp103_regmap_config); if (IS_ERR(regmap)) { dev_err(dev, "failed to allocate register map\n"); diff --git a/drivers/hwmon/vt1211.c b/drivers/hwmon/vt1211.c index 344b22ec2553..3ea57c3504e2 100644 --- a/drivers/hwmon/vt1211.c +++ b/drivers/hwmon/vt1211.c @@ -879,6 +879,9 @@ static ssize_t set_vrm(struct device *dev, struct device_attribute *attr, if (err) return err; + if (val > 255) + return -EINVAL; + data->vrm = val; return count; diff --git a/drivers/hwmon/w83627hf.c b/drivers/hwmon/w83627hf.c index c1726be3654c..2f55973a8c4c 100644 --- a/drivers/hwmon/w83627hf.c +++ b/drivers/hwmon/w83627hf.c @@ -820,6 +820,9 @@ store_vrm_reg(struct device *dev, struct device_attribute *attr, const char *buf err = kstrtoul(buf, 10, &val); if (err) return err; + + if (val > 255) + return -EINVAL; data->vrm = val; return count; diff --git a/drivers/hwmon/w83791d.c b/drivers/hwmon/w83791d.c index cb3765fec98c..001df856913f 100644 --- a/drivers/hwmon/w83791d.c +++ b/drivers/hwmon/w83791d.c @@ -1181,6 +1181,9 @@ static ssize_t store_vrm_reg(struct device *dev, if (err) return err; + if (val > 255) + return -EINVAL; + data->vrm = val; return count; } diff --git a/drivers/hwmon/w83793.c b/drivers/hwmon/w83793.c index 9d63d71214ca..816aa6caf5d5 100644 --- a/drivers/hwmon/w83793.c +++ b/drivers/hwmon/w83793.c @@ -353,6 +353,9 @@ store_vrm(struct device *dev, struct device_attribute *attr, if (err) return err; + if (val > 255) + return -EINVAL; + data->vrm = val; return count; } diff --git a/drivers/hwspinlock/Kconfig b/drivers/hwspinlock/Kconfig index 70637d23b1f9..3612cb5b30b2 100644 --- a/drivers/hwspinlock/Kconfig +++ b/drivers/hwspinlock/Kconfig @@ -10,7 +10,7 @@ menu "Hardware Spinlock drivers" config HWSPINLOCK_OMAP tristate "OMAP Hardware Spinlock device" - depends on ARCH_OMAP4 || SOC_OMAP5 + depends on ARCH_OMAP4 || SOC_OMAP5 || SOC_DRA7XX || SOC_AM33XX || SOC_AM43XX select HWSPINLOCK help Say y here to support the OMAP Hardware Spinlock device (firstly diff --git a/drivers/hwspinlock/omap_hwspinlock.c b/drivers/hwspinlock/omap_hwspinlock.c index 292869cc9034..c1e2cd4d85fe 100644 --- a/drivers/hwspinlock/omap_hwspinlock.c +++ b/drivers/hwspinlock/omap_hwspinlock.c @@ -98,10 +98,29 @@ static int omap_hwspinlock_probe(struct platform_device *pdev) if (!io_base) return -ENOMEM; + /* + * make sure the module is enabled and clocked before reading + * the module SYSSTATUS register + */ + pm_runtime_enable(&pdev->dev); + ret = pm_runtime_get_sync(&pdev->dev); + if (ret < 0) { + pm_runtime_put_noidle(&pdev->dev); + goto iounmap_base; + } + /* Determine number of locks */ i = readl(io_base + SYSSTATUS_OFFSET); i >>= SPINLOCK_NUMLOCKS_BIT_OFFSET; + /* + * runtime PM will make sure the clock of this module is + * enabled again iff at least one lock is requested + */ + ret = pm_runtime_put(&pdev->dev); + if (ret < 0) + goto iounmap_base; + /* one of the four lsb's must be set, and nothing else */ if (hweight_long(i & 0xf) != 1 || i > 8) { ret = -EINVAL; @@ -121,12 +140,6 @@ static int omap_hwspinlock_probe(struct platform_device *pdev) for (i = 0, hwlock = &bank->lock[0]; i < num_locks; i++, hwlock++) hwlock->priv = io_base + LOCK_BASE_OFFSET + sizeof(u32) * i; - /* - * runtime PM will make sure the clock of this module is - * enabled iff at least one lock is requested - */ - pm_runtime_enable(&pdev->dev); - ret = hwspin_lock_register(bank, &pdev->dev, &omap_hwspinlock_ops, pdata->base_id, num_locks); if (ret) @@ -135,9 +148,9 @@ static int omap_hwspinlock_probe(struct platform_device *pdev) return 0; reg_fail: - pm_runtime_disable(&pdev->dev); kfree(bank); iounmap_base: + pm_runtime_disable(&pdev->dev); iounmap(io_base); return ret; } diff --git a/drivers/idle/intel_idle.c b/drivers/idle/intel_idle.c index 4d140bbbe100..9b7ee7e427df 100644 --- a/drivers/idle/intel_idle.c +++ b/drivers/idle/intel_idle.c @@ -89,6 +89,7 @@ struct idle_cpu { * Indicate which enable bits to clear here. */ unsigned long auto_demotion_disable_flags; + bool byt_auto_demotion_disable_flag; bool disable_promotion_to_c1e; }; @@ -442,6 +443,66 @@ static struct cpuidle_state hsw_cstates[] = { { .enter = NULL } }; +static struct cpuidle_state bdw_cstates[] = { + { + .name = "C1-BDW", + .desc = "MWAIT 0x00", + .flags = MWAIT2flg(0x00) | CPUIDLE_FLAG_TIME_VALID, + .exit_latency = 2, + .target_residency = 2, + .enter = &intel_idle }, + { + .name = "C1E-BDW", + .desc = "MWAIT 0x01", + .flags = MWAIT2flg(0x01) | CPUIDLE_FLAG_TIME_VALID, + .exit_latency = 10, + .target_residency = 20, + .enter = &intel_idle }, + { + .name = "C3-BDW", + .desc = "MWAIT 0x10", + .flags = MWAIT2flg(0x10) | CPUIDLE_FLAG_TIME_VALID | CPUIDLE_FLAG_TLB_FLUSHED, + .exit_latency = 40, + .target_residency = 100, + .enter = &intel_idle }, + { + .name = "C6-BDW", + .desc = "MWAIT 0x20", + .flags = MWAIT2flg(0x20) | CPUIDLE_FLAG_TIME_VALID | CPUIDLE_FLAG_TLB_FLUSHED, + .exit_latency = 133, + .target_residency = 400, + .enter = &intel_idle }, + { + .name = "C7s-BDW", + .desc = "MWAIT 0x32", + .flags = MWAIT2flg(0x32) | CPUIDLE_FLAG_TIME_VALID | CPUIDLE_FLAG_TLB_FLUSHED, + .exit_latency = 166, + .target_residency = 500, + .enter = &intel_idle }, + { + .name = "C8-BDW", + .desc = "MWAIT 0x40", + .flags = MWAIT2flg(0x40) | CPUIDLE_FLAG_TIME_VALID | CPUIDLE_FLAG_TLB_FLUSHED, + .exit_latency = 300, + .target_residency = 900, + .enter = &intel_idle }, + { + .name = "C9-BDW", + .desc = "MWAIT 0x50", + .flags = MWAIT2flg(0x50) | CPUIDLE_FLAG_TIME_VALID | CPUIDLE_FLAG_TLB_FLUSHED, + .exit_latency = 600, + .target_residency = 1800, + .enter = &intel_idle }, + { + .name = "C10-BDW", + .desc = "MWAIT 0x60", + .flags = MWAIT2flg(0x60) | CPUIDLE_FLAG_TIME_VALID | CPUIDLE_FLAG_TLB_FLUSHED, + .exit_latency = 2600, + .target_residency = 7700, + .enter = &intel_idle }, + { + .enter = NULL } +}; static struct cpuidle_state atom_cstates[] = { { @@ -613,6 +674,7 @@ static const struct idle_cpu idle_cpu_snb = { static const struct idle_cpu idle_cpu_byt = { .state_table = byt_cstates, .disable_promotion_to_c1e = true, + .byt_auto_demotion_disable_flag = true, }; static const struct idle_cpu idle_cpu_ivb = { @@ -630,6 +692,11 @@ static const struct idle_cpu idle_cpu_hsw = { .disable_promotion_to_c1e = true, }; +static const struct idle_cpu idle_cpu_bdw = { + .state_table = bdw_cstates, + .disable_promotion_to_c1e = true, +}; + static const struct idle_cpu idle_cpu_avn = { .state_table = avn_cstates, .disable_promotion_to_c1e = true, @@ -658,7 +725,10 @@ static const struct x86_cpu_id intel_idle_ids[] = { ICPU(0x3f, idle_cpu_hsw), ICPU(0x45, idle_cpu_hsw), ICPU(0x46, idle_cpu_hsw), - ICPU(0x4D, idle_cpu_avn), + ICPU(0x4d, idle_cpu_avn), + ICPU(0x3d, idle_cpu_bdw), + ICPU(0x4f, idle_cpu_bdw), + ICPU(0x56, idle_cpu_bdw), {} }; MODULE_DEVICE_TABLE(x86cpu, intel_idle_ids); @@ -814,6 +884,11 @@ static int __init intel_idle_cpuidle_driver_init(void) if (icpu->auto_demotion_disable_flags) on_each_cpu(auto_demotion_disable, NULL, 1); + if (icpu->byt_auto_demotion_disable_flag) { + wrmsrl(MSR_CC6_DEMOTION_POLICY_CONFIG, 0); + wrmsrl(MSR_MC6_DEMOTION_POLICY_CONFIG, 0); + } + if (icpu->disable_promotion_to_c1e) /* each-cpu is redundant */ on_each_cpu(c1e_promotion_disable, NULL, 1); diff --git a/drivers/infiniband/core/agent.c b/drivers/infiniband/core/agent.c index 2bc7f5af64f4..f6d29614cb01 100644 --- a/drivers/infiniband/core/agent.c +++ b/drivers/infiniband/core/agent.c @@ -94,14 +94,14 @@ void agent_send_response(struct ib_mad *mad, struct ib_grh *grh, port_priv = ib_get_agent_port(device, port_num); if (!port_priv) { - printk(KERN_ERR SPFX "Unable to find port agent\n"); + dev_err(&device->dev, "Unable to find port agent\n"); return; } agent = port_priv->agent[qpn]; ah = ib_create_ah_from_wc(agent->qp->pd, wc, grh, port_num); if (IS_ERR(ah)) { - printk(KERN_ERR SPFX "ib_create_ah_from_wc error %ld\n", + dev_err(&device->dev, "ib_create_ah_from_wc error %ld\n", PTR_ERR(ah)); return; } @@ -110,7 +110,7 @@ void agent_send_response(struct ib_mad *mad, struct ib_grh *grh, IB_MGMT_MAD_HDR, IB_MGMT_MAD_DATA, GFP_KERNEL); if (IS_ERR(send_buf)) { - printk(KERN_ERR SPFX "ib_create_send_mad error\n"); + dev_err(&device->dev, "ib_create_send_mad error\n"); goto err1; } @@ -125,7 +125,7 @@ void agent_send_response(struct ib_mad *mad, struct ib_grh *grh, } if (ib_post_send_mad(send_buf, NULL)) { - printk(KERN_ERR SPFX "ib_post_send_mad error\n"); + dev_err(&device->dev, "ib_post_send_mad error\n"); goto err2; } return; @@ -151,7 +151,7 @@ int ib_agent_port_open(struct ib_device *device, int port_num) /* Create new device info */ port_priv = kzalloc(sizeof *port_priv, GFP_KERNEL); if (!port_priv) { - printk(KERN_ERR SPFX "No memory for ib_agent_port_private\n"); + dev_err(&device->dev, "No memory for ib_agent_port_private\n"); ret = -ENOMEM; goto error1; } @@ -161,7 +161,7 @@ int ib_agent_port_open(struct ib_device *device, int port_num) port_priv->agent[0] = ib_register_mad_agent(device, port_num, IB_QPT_SMI, NULL, 0, &agent_send_handler, - NULL, NULL); + NULL, NULL, 0); if (IS_ERR(port_priv->agent[0])) { ret = PTR_ERR(port_priv->agent[0]); goto error2; @@ -172,7 +172,7 @@ int ib_agent_port_open(struct ib_device *device, int port_num) port_priv->agent[1] = ib_register_mad_agent(device, port_num, IB_QPT_GSI, NULL, 0, &agent_send_handler, - NULL, NULL); + NULL, NULL, 0); if (IS_ERR(port_priv->agent[1])) { ret = PTR_ERR(port_priv->agent[1]); goto error3; @@ -202,7 +202,7 @@ int ib_agent_port_close(struct ib_device *device, int port_num) port_priv = __ib_get_agent_port(device, port_num); if (port_priv == NULL) { spin_unlock_irqrestore(&ib_agent_port_list_lock, flags); - printk(KERN_ERR SPFX "Port %d not found\n", port_num); + dev_err(&device->dev, "Port %d not found\n", port_num); return -ENODEV; } list_del(&port_priv->port_list); diff --git a/drivers/infiniband/core/cm.c b/drivers/infiniband/core/cm.c index c3239170d8b7..e28a494e2a3a 100644 --- a/drivers/infiniband/core/cm.c +++ b/drivers/infiniband/core/cm.c @@ -3753,7 +3753,7 @@ static void cm_add_one(struct ib_device *ib_device) struct cm_port *port; struct ib_mad_reg_req reg_req = { .mgmt_class = IB_MGMT_CLASS_CM, - .mgmt_class_version = IB_CM_CLASS_VERSION + .mgmt_class_version = IB_CM_CLASS_VERSION, }; struct ib_port_modify port_modify = { .set_port_cap_mask = IB_PORT_CM_SUP @@ -3801,7 +3801,8 @@ static void cm_add_one(struct ib_device *ib_device) 0, cm_send_handler, cm_recv_handler, - port); + port, + 0); if (IS_ERR(port->mad_agent)) goto error2; diff --git a/drivers/infiniband/core/iwcm.c b/drivers/infiniband/core/iwcm.c index 3d2e489ab732..ff9163dc1596 100644 --- a/drivers/infiniband/core/iwcm.c +++ b/drivers/infiniband/core/iwcm.c @@ -46,6 +46,7 @@ #include <linux/completion.h> #include <linux/slab.h> #include <linux/module.h> +#include <linux/sysctl.h> #include <rdma/iw_cm.h> #include <rdma/ib_addr.h> @@ -65,6 +66,20 @@ struct iwcm_work { struct list_head free_list; }; +static unsigned int default_backlog = 256; + +static struct ctl_table_header *iwcm_ctl_table_hdr; +static struct ctl_table iwcm_ctl_table[] = { + { + .procname = "default_backlog", + .data = &default_backlog, + .maxlen = sizeof(default_backlog), + .mode = 0644, + .proc_handler = proc_dointvec, + }, + { } +}; + /* * The following services provide a mechanism for pre-allocating iwcm_work * elements. The design pre-allocates them based on the cm_id type: @@ -425,6 +440,9 @@ int iw_cm_listen(struct iw_cm_id *cm_id, int backlog) cm_id_priv = container_of(cm_id, struct iwcm_id_private, id); + if (!backlog) + backlog = default_backlog; + ret = alloc_work_entries(cm_id_priv, backlog); if (ret) return ret; @@ -1030,11 +1048,20 @@ static int __init iw_cm_init(void) if (!iwcm_wq) return -ENOMEM; + iwcm_ctl_table_hdr = register_net_sysctl(&init_net, "net/iw_cm", + iwcm_ctl_table); + if (!iwcm_ctl_table_hdr) { + pr_err("iw_cm: couldn't register sysctl paths\n"); + destroy_workqueue(iwcm_wq); + return -ENOMEM; + } + return 0; } static void __exit iw_cm_cleanup(void) { + unregister_net_sysctl_table(iwcm_ctl_table_hdr); destroy_workqueue(iwcm_wq); } diff --git a/drivers/infiniband/core/mad.c b/drivers/infiniband/core/mad.c index ab31f136d04b..74c30f4c557e 100644 --- a/drivers/infiniband/core/mad.c +++ b/drivers/infiniband/core/mad.c @@ -33,6 +33,9 @@ * SOFTWARE. * */ + +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + #include <linux/dma-mapping.h> #include <linux/slab.h> #include <linux/module.h> @@ -195,7 +198,8 @@ struct ib_mad_agent *ib_register_mad_agent(struct ib_device *device, u8 rmpp_version, ib_mad_send_handler send_handler, ib_mad_recv_handler recv_handler, - void *context) + void *context, + u32 registration_flags) { struct ib_mad_port_private *port_priv; struct ib_mad_agent *ret = ERR_PTR(-EINVAL); @@ -211,68 +215,109 @@ struct ib_mad_agent *ib_register_mad_agent(struct ib_device *device, /* Validate parameters */ qpn = get_spl_qp_index(qp_type); - if (qpn == -1) + if (qpn == -1) { + dev_notice(&device->dev, + "ib_register_mad_agent: invalid QP Type %d\n", + qp_type); goto error1; + } - if (rmpp_version && rmpp_version != IB_MGMT_RMPP_VERSION) + if (rmpp_version && rmpp_version != IB_MGMT_RMPP_VERSION) { + dev_notice(&device->dev, + "ib_register_mad_agent: invalid RMPP Version %u\n", + rmpp_version); goto error1; + } /* Validate MAD registration request if supplied */ if (mad_reg_req) { - if (mad_reg_req->mgmt_class_version >= MAX_MGMT_VERSION) + if (mad_reg_req->mgmt_class_version >= MAX_MGMT_VERSION) { + dev_notice(&device->dev, + "ib_register_mad_agent: invalid Class Version %u\n", + mad_reg_req->mgmt_class_version); goto error1; - if (!recv_handler) + } + if (!recv_handler) { + dev_notice(&device->dev, + "ib_register_mad_agent: no recv_handler\n"); goto error1; + } if (mad_reg_req->mgmt_class >= MAX_MGMT_CLASS) { /* * IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE is the only * one in this range currently allowed */ if (mad_reg_req->mgmt_class != - IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE) + IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE) { + dev_notice(&device->dev, + "ib_register_mad_agent: Invalid Mgmt Class 0x%x\n", + mad_reg_req->mgmt_class); goto error1; + } } else if (mad_reg_req->mgmt_class == 0) { /* * Class 0 is reserved in IBA and is used for * aliasing of IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE */ + dev_notice(&device->dev, + "ib_register_mad_agent: Invalid Mgmt Class 0\n"); goto error1; } else if (is_vendor_class(mad_reg_req->mgmt_class)) { /* * If class is in "new" vendor range, * ensure supplied OUI is not zero */ - if (!is_vendor_oui(mad_reg_req->oui)) + if (!is_vendor_oui(mad_reg_req->oui)) { + dev_notice(&device->dev, + "ib_register_mad_agent: No OUI specified for class 0x%x\n", + mad_reg_req->mgmt_class); goto error1; + } } /* Make sure class supplied is consistent with RMPP */ if (!ib_is_mad_class_rmpp(mad_reg_req->mgmt_class)) { - if (rmpp_version) + if (rmpp_version) { + dev_notice(&device->dev, + "ib_register_mad_agent: RMPP version for non-RMPP class 0x%x\n", + mad_reg_req->mgmt_class); goto error1; + } } + /* Make sure class supplied is consistent with QP type */ if (qp_type == IB_QPT_SMI) { if ((mad_reg_req->mgmt_class != IB_MGMT_CLASS_SUBN_LID_ROUTED) && (mad_reg_req->mgmt_class != - IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE)) + IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE)) { + dev_notice(&device->dev, + "ib_register_mad_agent: Invalid SM QP type: class 0x%x\n", + mad_reg_req->mgmt_class); goto error1; + } } else { if ((mad_reg_req->mgmt_class == IB_MGMT_CLASS_SUBN_LID_ROUTED) || (mad_reg_req->mgmt_class == - IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE)) + IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE)) { + dev_notice(&device->dev, + "ib_register_mad_agent: Invalid GS QP type: class 0x%x\n", + mad_reg_req->mgmt_class); goto error1; + } } } else { /* No registration request supplied */ if (!send_handler) goto error1; + if (registration_flags & IB_MAD_USER_RMPP) + goto error1; } /* Validate device and port */ port_priv = ib_get_mad_port(device, port_num); if (!port_priv) { + dev_notice(&device->dev, "ib_register_mad_agent: Invalid port\n"); ret = ERR_PTR(-ENODEV); goto error1; } @@ -280,6 +325,8 @@ struct ib_mad_agent *ib_register_mad_agent(struct ib_device *device, /* Verify the QP requested is supported. For example, Ethernet devices * will not have QP0 */ if (!port_priv->qp_info[qpn].qp) { + dev_notice(&device->dev, + "ib_register_mad_agent: QP %d not supported\n", qpn); ret = ERR_PTR(-EPROTONOSUPPORT); goto error1; } @@ -316,6 +363,7 @@ struct ib_mad_agent *ib_register_mad_agent(struct ib_device *device, mad_agent_priv->agent.context = context; mad_agent_priv->agent.qp = port_priv->qp_info[qpn].qp; mad_agent_priv->agent.port_num = port_num; + mad_agent_priv->agent.flags = registration_flags; spin_lock_init(&mad_agent_priv->lock); INIT_LIST_HEAD(&mad_agent_priv->send_list); INIT_LIST_HEAD(&mad_agent_priv->wait_list); @@ -706,7 +754,7 @@ static int handle_outgoing_dr_smp(struct ib_mad_agent_private *mad_agent_priv, smi_handle_dr_smp_send(smp, device->node_type, port_num) == IB_SMI_DISCARD) { ret = -EINVAL; - printk(KERN_ERR PFX "Invalid directed route\n"); + dev_err(&device->dev, "Invalid directed route\n"); goto out; } @@ -718,7 +766,7 @@ static int handle_outgoing_dr_smp(struct ib_mad_agent_private *mad_agent_priv, local = kmalloc(sizeof *local, GFP_ATOMIC); if (!local) { ret = -ENOMEM; - printk(KERN_ERR PFX "No memory for ib_mad_local_private\n"); + dev_err(&device->dev, "No memory for ib_mad_local_private\n"); goto out; } local->mad_priv = NULL; @@ -726,7 +774,7 @@ static int handle_outgoing_dr_smp(struct ib_mad_agent_private *mad_agent_priv, mad_priv = kmem_cache_alloc(ib_mad_cache, GFP_ATOMIC); if (!mad_priv) { ret = -ENOMEM; - printk(KERN_ERR PFX "No memory for local response MAD\n"); + dev_err(&device->dev, "No memory for local response MAD\n"); kfree(local); goto out; } @@ -837,9 +885,9 @@ static int alloc_send_rmpp_list(struct ib_mad_send_wr_private *send_wr, for (left = send_buf->data_len + pad; left > 0; left -= seg_size) { seg = kmalloc(sizeof (*seg) + seg_size, gfp_mask); if (!seg) { - printk(KERN_ERR "alloc_send_rmpp_segs: RMPP mem " - "alloc failed for len %zd, gfp %#x\n", - sizeof (*seg) + seg_size, gfp_mask); + dev_err(&send_buf->mad_agent->device->dev, + "alloc_send_rmpp_segs: RMPP mem alloc failed for len %zd, gfp %#x\n", + sizeof (*seg) + seg_size, gfp_mask); free_send_rmpp_list(send_wr); return -ENOMEM; } @@ -862,6 +910,12 @@ static int alloc_send_rmpp_list(struct ib_mad_send_wr_private *send_wr, return 0; } +int ib_mad_kernel_rmpp_agent(struct ib_mad_agent *agent) +{ + return agent->rmpp_version && !(agent->flags & IB_MAD_USER_RMPP); +} +EXPORT_SYMBOL(ib_mad_kernel_rmpp_agent); + struct ib_mad_send_buf * ib_create_send_mad(struct ib_mad_agent *mad_agent, u32 remote_qpn, u16 pkey_index, int rmpp_active, @@ -878,10 +932,12 @@ struct ib_mad_send_buf * ib_create_send_mad(struct ib_mad_agent *mad_agent, pad = get_pad_size(hdr_len, data_len); message_size = hdr_len + data_len + pad; - if ((!mad_agent->rmpp_version && - (rmpp_active || message_size > sizeof(struct ib_mad))) || - (!rmpp_active && message_size > sizeof(struct ib_mad))) - return ERR_PTR(-EINVAL); + if (ib_mad_kernel_rmpp_agent(mad_agent)) { + if (!rmpp_active && message_size > sizeof(struct ib_mad)) + return ERR_PTR(-EINVAL); + } else + if (rmpp_active || message_size > sizeof(struct ib_mad)) + return ERR_PTR(-EINVAL); size = rmpp_active ? hdr_len : sizeof(struct ib_mad); buf = kzalloc(sizeof *mad_send_wr + size, gfp_mask); @@ -1135,7 +1191,7 @@ int ib_post_send_mad(struct ib_mad_send_buf *send_buf, &mad_agent_priv->send_list); spin_unlock_irqrestore(&mad_agent_priv->lock, flags); - if (mad_agent_priv->agent.rmpp_version) { + if (ib_mad_kernel_rmpp_agent(&mad_agent_priv->agent)) { ret = ib_send_rmpp_mad(mad_send_wr); if (ret >= 0 && ret != IB_RMPP_RESULT_CONSUMED) ret = ib_send_mad(mad_send_wr); @@ -1199,7 +1255,8 @@ EXPORT_SYMBOL(ib_redirect_mad_qp); int ib_process_mad_wc(struct ib_mad_agent *mad_agent, struct ib_wc *wc) { - printk(KERN_ERR PFX "ib_process_mad_wc() not implemented yet\n"); + dev_err(&mad_agent->device->dev, + "ib_process_mad_wc() not implemented yet\n"); return 0; } EXPORT_SYMBOL(ib_process_mad_wc); @@ -1211,7 +1268,7 @@ static int method_in_use(struct ib_mad_mgmt_method_table **method, for_each_set_bit(i, mad_reg_req->method_mask, IB_MGMT_MAX_METHODS) { if ((*method)->agent[i]) { - printk(KERN_ERR PFX "Method %d already in use\n", i); + pr_err("Method %d already in use\n", i); return -EINVAL; } } @@ -1223,8 +1280,7 @@ static int allocate_method_table(struct ib_mad_mgmt_method_table **method) /* Allocate management method table */ *method = kzalloc(sizeof **method, GFP_ATOMIC); if (!*method) { - printk(KERN_ERR PFX "No memory for " - "ib_mad_mgmt_method_table\n"); + pr_err("No memory for ib_mad_mgmt_method_table\n"); return -ENOMEM; } @@ -1319,8 +1375,8 @@ static int add_nonoui_reg_req(struct ib_mad_reg_req *mad_reg_req, /* Allocate management class table for "new" class version */ *class = kzalloc(sizeof **class, GFP_ATOMIC); if (!*class) { - printk(KERN_ERR PFX "No memory for " - "ib_mad_mgmt_class_table\n"); + dev_err(&agent_priv->agent.device->dev, + "No memory for ib_mad_mgmt_class_table\n"); ret = -ENOMEM; goto error1; } @@ -1386,8 +1442,8 @@ static int add_oui_reg_req(struct ib_mad_reg_req *mad_reg_req, /* Allocate mgmt vendor class table for "new" class version */ vendor = kzalloc(sizeof *vendor, GFP_ATOMIC); if (!vendor) { - printk(KERN_ERR PFX "No memory for " - "ib_mad_mgmt_vendor_class_table\n"); + dev_err(&agent_priv->agent.device->dev, + "No memory for ib_mad_mgmt_vendor_class_table\n"); goto error1; } @@ -1397,8 +1453,8 @@ static int add_oui_reg_req(struct ib_mad_reg_req *mad_reg_req, /* Allocate table for this management vendor class */ vendor_class = kzalloc(sizeof *vendor_class, GFP_ATOMIC); if (!vendor_class) { - printk(KERN_ERR PFX "No memory for " - "ib_mad_mgmt_vendor_class\n"); + dev_err(&agent_priv->agent.device->dev, + "No memory for ib_mad_mgmt_vendor_class\n"); goto error2; } @@ -1429,7 +1485,7 @@ static int add_oui_reg_req(struct ib_mad_reg_req *mad_reg_req, goto check_in_use; } } - printk(KERN_ERR PFX "All OUI slots in use\n"); + dev_err(&agent_priv->agent.device->dev, "All OUI slots in use\n"); goto error3; check_in_use: @@ -1640,9 +1696,9 @@ find_mad_agent(struct ib_mad_port_private *port_priv, if (mad_agent->agent.recv_handler) atomic_inc(&mad_agent->refcount); else { - printk(KERN_NOTICE PFX "No receive handler for client " - "%p on port %d\n", - &mad_agent->agent, port_priv->port_num); + dev_notice(&port_priv->device->dev, + "No receive handler for client %p on port %d\n", + &mad_agent->agent, port_priv->port_num); mad_agent = NULL; } } @@ -1658,8 +1714,8 @@ static int validate_mad(struct ib_mad *mad, u32 qp_num) /* Make sure MAD base version is understood */ if (mad->mad_hdr.base_version != IB_MGMT_BASE_VERSION) { - printk(KERN_ERR PFX "MAD received with unsupported base " - "version %d\n", mad->mad_hdr.base_version); + pr_err("MAD received with unsupported base version %d\n", + mad->mad_hdr.base_version); goto out; } @@ -1685,6 +1741,7 @@ static int is_data_mad(struct ib_mad_agent_private *mad_agent_priv, rmpp_mad = (struct ib_rmpp_mad *)mad_hdr; return !mad_agent_priv->agent.rmpp_version || + !ib_mad_kernel_rmpp_agent(&mad_agent_priv->agent) || !(ib_get_rmpp_flags(&rmpp_mad->rmpp_hdr) & IB_MGMT_RMPP_FLAG_ACTIVE) || (rmpp_mad->rmpp_hdr.rmpp_type == IB_MGMT_RMPP_TYPE_DATA); @@ -1812,7 +1869,7 @@ static void ib_mad_complete_recv(struct ib_mad_agent_private *mad_agent_priv, INIT_LIST_HEAD(&mad_recv_wc->rmpp_list); list_add(&mad_recv_wc->recv_buf.list, &mad_recv_wc->rmpp_list); - if (mad_agent_priv->agent.rmpp_version) { + if (ib_mad_kernel_rmpp_agent(&mad_agent_priv->agent)) { mad_recv_wc = ib_process_rmpp_recv_wc(mad_agent_priv, mad_recv_wc); if (!mad_recv_wc) { @@ -1827,23 +1884,39 @@ static void ib_mad_complete_recv(struct ib_mad_agent_private *mad_agent_priv, mad_send_wr = ib_find_send_mad(mad_agent_priv, mad_recv_wc); if (!mad_send_wr) { spin_unlock_irqrestore(&mad_agent_priv->lock, flags); - ib_free_recv_mad(mad_recv_wc); - deref_mad_agent(mad_agent_priv); - return; - } - ib_mark_mad_done(mad_send_wr); - spin_unlock_irqrestore(&mad_agent_priv->lock, flags); + if (!ib_mad_kernel_rmpp_agent(&mad_agent_priv->agent) + && ib_is_mad_class_rmpp(mad_recv_wc->recv_buf.mad->mad_hdr.mgmt_class) + && (ib_get_rmpp_flags(&((struct ib_rmpp_mad *)mad_recv_wc->recv_buf.mad)->rmpp_hdr) + & IB_MGMT_RMPP_FLAG_ACTIVE)) { + /* user rmpp is in effect + * and this is an active RMPP MAD + */ + mad_recv_wc->wc->wr_id = 0; + mad_agent_priv->agent.recv_handler(&mad_agent_priv->agent, + mad_recv_wc); + atomic_dec(&mad_agent_priv->refcount); + } else { + /* not user rmpp, revert to normal behavior and + * drop the mad */ + ib_free_recv_mad(mad_recv_wc); + deref_mad_agent(mad_agent_priv); + return; + } + } else { + ib_mark_mad_done(mad_send_wr); + spin_unlock_irqrestore(&mad_agent_priv->lock, flags); - /* Defined behavior is to complete response before request */ - mad_recv_wc->wc->wr_id = (unsigned long) &mad_send_wr->send_buf; - mad_agent_priv->agent.recv_handler(&mad_agent_priv->agent, - mad_recv_wc); - atomic_dec(&mad_agent_priv->refcount); + /* Defined behavior is to complete response before request */ + mad_recv_wc->wc->wr_id = (unsigned long) &mad_send_wr->send_buf; + mad_agent_priv->agent.recv_handler(&mad_agent_priv->agent, + mad_recv_wc); + atomic_dec(&mad_agent_priv->refcount); - mad_send_wc.status = IB_WC_SUCCESS; - mad_send_wc.vendor_err = 0; - mad_send_wc.send_buf = &mad_send_wr->send_buf; - ib_mad_complete_send_wr(mad_send_wr, &mad_send_wc); + mad_send_wc.status = IB_WC_SUCCESS; + mad_send_wc.vendor_err = 0; + mad_send_wc.send_buf = &mad_send_wr->send_buf; + ib_mad_complete_send_wr(mad_send_wr, &mad_send_wc); + } } else { mad_agent_priv->agent.recv_handler(&mad_agent_priv->agent, mad_recv_wc); @@ -1911,8 +1984,8 @@ static void ib_mad_recv_done_handler(struct ib_mad_port_private *port_priv, response = kmem_cache_alloc(ib_mad_cache, GFP_KERNEL); if (!response) { - printk(KERN_ERR PFX "ib_mad_recv_done_handler no memory " - "for response buffer\n"); + dev_err(&port_priv->device->dev, + "ib_mad_recv_done_handler no memory for response buffer\n"); goto out; } @@ -2083,7 +2156,7 @@ void ib_mad_complete_send_wr(struct ib_mad_send_wr_private *mad_send_wr, mad_agent_priv = mad_send_wr->mad_agent_priv; spin_lock_irqsave(&mad_agent_priv->lock, flags); - if (mad_agent_priv->agent.rmpp_version) { + if (ib_mad_kernel_rmpp_agent(&mad_agent_priv->agent)) { ret = ib_process_rmpp_send_wc(mad_send_wr, mad_send_wc); if (ret == IB_RMPP_RESULT_CONSUMED) goto done; @@ -2176,7 +2249,8 @@ retry: ret = ib_post_send(qp_info->qp, &queued_send_wr->send_wr, &bad_send_wr); if (ret) { - printk(KERN_ERR PFX "ib_post_send failed: %d\n", ret); + dev_err(&port_priv->device->dev, + "ib_post_send failed: %d\n", ret); mad_send_wr = queued_send_wr; wc->status = IB_WC_LOC_QP_OP_ERR; goto retry; @@ -2248,8 +2322,9 @@ static void mad_error_handler(struct ib_mad_port_private *port_priv, IB_QP_STATE | IB_QP_CUR_STATE); kfree(attr); if (ret) - printk(KERN_ERR PFX "mad_error_handler - " - "ib_modify_qp to RTS : %d\n", ret); + dev_err(&port_priv->device->dev, + "mad_error_handler - ib_modify_qp to RTS : %d\n", + ret); else mark_sends_for_retry(qp_info); } @@ -2408,7 +2483,8 @@ static void local_completions(struct work_struct *work) if (local->mad_priv) { recv_mad_agent = local->recv_mad_agent; if (!recv_mad_agent) { - printk(KERN_ERR PFX "No receive MAD agent for local completion\n"); + dev_err(&mad_agent_priv->agent.device->dev, + "No receive MAD agent for local completion\n"); free_mad = 1; goto local_send_completion; } @@ -2476,7 +2552,7 @@ static int retry_send(struct ib_mad_send_wr_private *mad_send_wr) mad_send_wr->timeout = msecs_to_jiffies(mad_send_wr->send_buf.timeout_ms); - if (mad_send_wr->mad_agent_priv->agent.rmpp_version) { + if (ib_mad_kernel_rmpp_agent(&mad_send_wr->mad_agent_priv->agent)) { ret = ib_retry_rmpp(mad_send_wr); switch (ret) { case IB_RMPP_RESULT_UNHANDLED: @@ -2589,7 +2665,8 @@ static int ib_mad_post_receive_mads(struct ib_mad_qp_info *qp_info, } else { mad_priv = kmem_cache_alloc(ib_mad_cache, GFP_KERNEL); if (!mad_priv) { - printk(KERN_ERR PFX "No memory for receive buffer\n"); + dev_err(&qp_info->port_priv->device->dev, + "No memory for receive buffer\n"); ret = -ENOMEM; break; } @@ -2625,7 +2702,8 @@ static int ib_mad_post_receive_mads(struct ib_mad_qp_info *qp_info, sizeof mad_priv->header, DMA_FROM_DEVICE); kmem_cache_free(ib_mad_cache, mad_priv); - printk(KERN_ERR PFX "ib_post_recv failed: %d\n", ret); + dev_err(&qp_info->port_priv->device->dev, + "ib_post_recv failed: %d\n", ret); break; } } while (post); @@ -2681,7 +2759,8 @@ static int ib_mad_port_start(struct ib_mad_port_private *port_priv) attr = kmalloc(sizeof *attr, GFP_KERNEL); if (!attr) { - printk(KERN_ERR PFX "Couldn't kmalloc ib_qp_attr\n"); + dev_err(&port_priv->device->dev, + "Couldn't kmalloc ib_qp_attr\n"); return -ENOMEM; } @@ -2705,16 +2784,18 @@ static int ib_mad_port_start(struct ib_mad_port_private *port_priv) ret = ib_modify_qp(qp, attr, IB_QP_STATE | IB_QP_PKEY_INDEX | IB_QP_QKEY); if (ret) { - printk(KERN_ERR PFX "Couldn't change QP%d state to " - "INIT: %d\n", i, ret); + dev_err(&port_priv->device->dev, + "Couldn't change QP%d state to INIT: %d\n", + i, ret); goto out; } attr->qp_state = IB_QPS_RTR; ret = ib_modify_qp(qp, attr, IB_QP_STATE); if (ret) { - printk(KERN_ERR PFX "Couldn't change QP%d state to " - "RTR: %d\n", i, ret); + dev_err(&port_priv->device->dev, + "Couldn't change QP%d state to RTR: %d\n", + i, ret); goto out; } @@ -2722,16 +2803,18 @@ static int ib_mad_port_start(struct ib_mad_port_private *port_priv) attr->sq_psn = IB_MAD_SEND_Q_PSN; ret = ib_modify_qp(qp, attr, IB_QP_STATE | IB_QP_SQ_PSN); if (ret) { - printk(KERN_ERR PFX "Couldn't change QP%d state to " - "RTS: %d\n", i, ret); + dev_err(&port_priv->device->dev, + "Couldn't change QP%d state to RTS: %d\n", + i, ret); goto out; } } ret = ib_req_notify_cq(port_priv->cq, IB_CQ_NEXT_COMP); if (ret) { - printk(KERN_ERR PFX "Failed to request completion " - "notification: %d\n", ret); + dev_err(&port_priv->device->dev, + "Failed to request completion notification: %d\n", + ret); goto out; } @@ -2741,7 +2824,8 @@ static int ib_mad_port_start(struct ib_mad_port_private *port_priv) ret = ib_mad_post_receive_mads(&port_priv->qp_info[i], NULL); if (ret) { - printk(KERN_ERR PFX "Couldn't post receive WRs\n"); + dev_err(&port_priv->device->dev, + "Couldn't post receive WRs\n"); goto out; } } @@ -2755,7 +2839,8 @@ static void qp_event_handler(struct ib_event *event, void *qp_context) struct ib_mad_qp_info *qp_info = qp_context; /* It's worse than that! He's dead, Jim! */ - printk(KERN_ERR PFX "Fatal error (%d) on MAD QP (%d)\n", + dev_err(&qp_info->port_priv->device->dev, + "Fatal error (%d) on MAD QP (%d)\n", event->event, qp_info->qp->qp_num); } @@ -2801,8 +2886,9 @@ static int create_mad_qp(struct ib_mad_qp_info *qp_info, qp_init_attr.event_handler = qp_event_handler; qp_info->qp = ib_create_qp(qp_info->port_priv->pd, &qp_init_attr); if (IS_ERR(qp_info->qp)) { - printk(KERN_ERR PFX "Couldn't create ib_mad QP%d\n", - get_spl_qp_index(qp_type)); + dev_err(&qp_info->port_priv->device->dev, + "Couldn't create ib_mad QP%d\n", + get_spl_qp_index(qp_type)); ret = PTR_ERR(qp_info->qp); goto error; } @@ -2840,7 +2926,7 @@ static int ib_mad_port_open(struct ib_device *device, /* Create new device info */ port_priv = kzalloc(sizeof *port_priv, GFP_KERNEL); if (!port_priv) { - printk(KERN_ERR PFX "No memory for ib_mad_port_private\n"); + dev_err(&device->dev, "No memory for ib_mad_port_private\n"); return -ENOMEM; } @@ -2860,21 +2946,21 @@ static int ib_mad_port_open(struct ib_device *device, ib_mad_thread_completion_handler, NULL, port_priv, cq_size, 0); if (IS_ERR(port_priv->cq)) { - printk(KERN_ERR PFX "Couldn't create ib_mad CQ\n"); + dev_err(&device->dev, "Couldn't create ib_mad CQ\n"); ret = PTR_ERR(port_priv->cq); goto error3; } port_priv->pd = ib_alloc_pd(device); if (IS_ERR(port_priv->pd)) { - printk(KERN_ERR PFX "Couldn't create ib_mad PD\n"); + dev_err(&device->dev, "Couldn't create ib_mad PD\n"); ret = PTR_ERR(port_priv->pd); goto error4; } port_priv->mr = ib_get_dma_mr(port_priv->pd, IB_ACCESS_LOCAL_WRITE); if (IS_ERR(port_priv->mr)) { - printk(KERN_ERR PFX "Couldn't get ib_mad DMA MR\n"); + dev_err(&device->dev, "Couldn't get ib_mad DMA MR\n"); ret = PTR_ERR(port_priv->mr); goto error5; } @@ -2902,7 +2988,7 @@ static int ib_mad_port_open(struct ib_device *device, ret = ib_mad_port_start(port_priv); if (ret) { - printk(KERN_ERR PFX "Couldn't start port\n"); + dev_err(&device->dev, "Couldn't start port\n"); goto error9; } @@ -2946,7 +3032,7 @@ static int ib_mad_port_close(struct ib_device *device, int port_num) port_priv = __ib_get_mad_port(device, port_num); if (port_priv == NULL) { spin_unlock_irqrestore(&ib_mad_port_list_lock, flags); - printk(KERN_ERR PFX "Port %d not found\n", port_num); + dev_err(&device->dev, "Port %d not found\n", port_num); return -ENODEV; } list_del_init(&port_priv->port_list); @@ -2984,14 +3070,12 @@ static void ib_mad_init_device(struct ib_device *device) for (i = start; i <= end; i++) { if (ib_mad_port_open(device, i)) { - printk(KERN_ERR PFX "Couldn't open %s port %d\n", - device->name, i); + dev_err(&device->dev, "Couldn't open port %d\n", i); goto error; } if (ib_agent_port_open(device, i)) { - printk(KERN_ERR PFX "Couldn't open %s port %d " - "for agents\n", - device->name, i); + dev_err(&device->dev, + "Couldn't open port %d for agents\n", i); goto error_agent; } } @@ -2999,20 +3083,17 @@ static void ib_mad_init_device(struct ib_device *device) error_agent: if (ib_mad_port_close(device, i)) - printk(KERN_ERR PFX "Couldn't close %s port %d\n", - device->name, i); + dev_err(&device->dev, "Couldn't close port %d\n", i); error: i--; while (i >= start) { if (ib_agent_port_close(device, i)) - printk(KERN_ERR PFX "Couldn't close %s port %d " - "for agents\n", - device->name, i); + dev_err(&device->dev, + "Couldn't close port %d for agents\n", i); if (ib_mad_port_close(device, i)) - printk(KERN_ERR PFX "Couldn't close %s port %d\n", - device->name, i); + dev_err(&device->dev, "Couldn't close port %d\n", i); i--; } } @@ -3033,12 +3114,12 @@ static void ib_mad_remove_device(struct ib_device *device) } for (i = 0; i < num_ports; i++, cur_port++) { if (ib_agent_port_close(device, cur_port)) - printk(KERN_ERR PFX "Couldn't close %s port %d " - "for agents\n", - device->name, cur_port); + dev_err(&device->dev, + "Couldn't close port %d for agents\n", + cur_port); if (ib_mad_port_close(device, cur_port)) - printk(KERN_ERR PFX "Couldn't close %s port %d\n", - device->name, cur_port); + dev_err(&device->dev, "Couldn't close port %d\n", + cur_port); } } @@ -3064,7 +3145,7 @@ static int __init ib_mad_init_module(void) SLAB_HWCACHE_ALIGN, NULL); if (!ib_mad_cache) { - printk(KERN_ERR PFX "Couldn't create ib_mad cache\n"); + pr_err("Couldn't create ib_mad cache\n"); ret = -ENOMEM; goto error1; } @@ -3072,7 +3153,7 @@ static int __init ib_mad_init_module(void) INIT_LIST_HEAD(&ib_mad_port_list); if (ib_register_client(&mad_client)) { - printk(KERN_ERR PFX "Couldn't register ib_mad client\n"); + pr_err("Couldn't register ib_mad client\n"); ret = -EINVAL; goto error2; } diff --git a/drivers/infiniband/core/mad_priv.h b/drivers/infiniband/core/mad_priv.h index 9430ab4969c5..d1a0b0ee9444 100644 --- a/drivers/infiniband/core/mad_priv.h +++ b/drivers/infiniband/core/mad_priv.h @@ -42,9 +42,6 @@ #include <rdma/ib_mad.h> #include <rdma/ib_smi.h> - -#define PFX "ib_mad: " - #define IB_MAD_QPS_CORE 2 /* Always QP0 and QP1 as a minimum */ /* QP and CQ parameters */ diff --git a/drivers/infiniband/core/sa_query.c b/drivers/infiniband/core/sa_query.c index 233eaf541f55..c38f030f0dc9 100644 --- a/drivers/infiniband/core/sa_query.c +++ b/drivers/infiniband/core/sa_query.c @@ -1184,7 +1184,7 @@ static void ib_sa_add_one(struct ib_device *device) sa_dev->port[i].agent = ib_register_mad_agent(device, i + s, IB_QPT_GSI, NULL, 0, send_handler, - recv_handler, sa_dev); + recv_handler, sa_dev, 0); if (IS_ERR(sa_dev->port[i].agent)) goto err; diff --git a/drivers/infiniband/core/user_mad.c b/drivers/infiniband/core/user_mad.c index 1acb99100556..928cdd20e2d1 100644 --- a/drivers/infiniband/core/user_mad.c +++ b/drivers/infiniband/core/user_mad.c @@ -33,6 +33,8 @@ * SOFTWARE. */ +#define pr_fmt(fmt) "user_mad: " fmt + #include <linux/module.h> #include <linux/init.h> #include <linux/device.h> @@ -504,13 +506,15 @@ static ssize_t ib_umad_write(struct file *filp, const char __user *buf, rmpp_mad = (struct ib_rmpp_mad *) packet->mad.data; hdr_len = ib_get_mad_data_offset(rmpp_mad->mad_hdr.mgmt_class); - if (!ib_is_mad_class_rmpp(rmpp_mad->mad_hdr.mgmt_class)) { - copy_offset = IB_MGMT_MAD_HDR; - rmpp_active = 0; - } else { + + if (ib_is_mad_class_rmpp(rmpp_mad->mad_hdr.mgmt_class) + && ib_mad_kernel_rmpp_agent(agent)) { copy_offset = IB_MGMT_RMPP_HDR; rmpp_active = ib_get_rmpp_flags(&rmpp_mad->rmpp_hdr) & - IB_MGMT_RMPP_FLAG_ACTIVE; + IB_MGMT_RMPP_FLAG_ACTIVE; + } else { + copy_offset = IB_MGMT_MAD_HDR; + rmpp_active = 0; } data_len = count - hdr_size(file) - hdr_len; @@ -556,14 +560,22 @@ static ssize_t ib_umad_write(struct file *filp, const char __user *buf, rmpp_mad->mad_hdr.tid = *tid; } - spin_lock_irq(&file->send_lock); - ret = is_duplicate(file, packet); - if (!ret) + if (!ib_mad_kernel_rmpp_agent(agent) + && ib_is_mad_class_rmpp(rmpp_mad->mad_hdr.mgmt_class) + && (ib_get_rmpp_flags(&rmpp_mad->rmpp_hdr) & IB_MGMT_RMPP_FLAG_ACTIVE)) { + spin_lock_irq(&file->send_lock); list_add_tail(&packet->list, &file->send_list); - spin_unlock_irq(&file->send_lock); - if (ret) { - ret = -EINVAL; - goto err_msg; + spin_unlock_irq(&file->send_lock); + } else { + spin_lock_irq(&file->send_lock); + ret = is_duplicate(file, packet); + if (!ret) + list_add_tail(&packet->list, &file->send_list); + spin_unlock_irq(&file->send_lock); + if (ret) { + ret = -EINVAL; + goto err_msg; + } } ret = ib_post_send_mad(packet->msg, NULL); @@ -614,6 +626,8 @@ static int ib_umad_reg_agent(struct ib_umad_file *file, void __user *arg, mutex_lock(&file->mutex); if (!file->port->ib_dev) { + dev_notice(file->port->dev, + "ib_umad_reg_agent: invalid device\n"); ret = -EPIPE; goto out; } @@ -624,6 +638,9 @@ static int ib_umad_reg_agent(struct ib_umad_file *file, void __user *arg, } if (ureq.qpn != 0 && ureq.qpn != 1) { + dev_notice(file->port->dev, + "ib_umad_reg_agent: invalid QPN %d specified\n", + ureq.qpn); ret = -EINVAL; goto out; } @@ -632,11 +649,15 @@ static int ib_umad_reg_agent(struct ib_umad_file *file, void __user *arg, if (!__get_agent(file, agent_id)) goto found; + dev_notice(file->port->dev, + "ib_umad_reg_agent: Max Agents (%u) reached\n", + IB_UMAD_MAX_AGENTS); ret = -ENOMEM; goto out; found: if (ureq.mgmt_class) { + memset(&req, 0, sizeof(req)); req.mgmt_class = ureq.mgmt_class; req.mgmt_class_version = ureq.mgmt_class_version; memcpy(req.oui, ureq.oui, sizeof req.oui); @@ -657,7 +678,7 @@ found: ureq.qpn ? IB_QPT_GSI : IB_QPT_SMI, ureq.mgmt_class ? &req : NULL, ureq.rmpp_version, - send_handler, recv_handler, file); + send_handler, recv_handler, file, 0); if (IS_ERR(agent)) { ret = PTR_ERR(agent); agent = NULL; @@ -673,10 +694,11 @@ found: if (!file->already_used) { file->already_used = 1; if (!file->use_pkey_index) { - printk(KERN_WARNING "user_mad: process %s did not enable " - "P_Key index support.\n", current->comm); - printk(KERN_WARNING "user_mad: Documentation/infiniband/user_mad.txt " - "has info on the new ABI.\n"); + dev_warn(file->port->dev, + "process %s did not enable P_Key index support.\n", + current->comm); + dev_warn(file->port->dev, + " Documentation/infiniband/user_mad.txt has info on the new ABI.\n"); } } @@ -694,6 +716,119 @@ out: return ret; } +static int ib_umad_reg_agent2(struct ib_umad_file *file, void __user *arg) +{ + struct ib_user_mad_reg_req2 ureq; + struct ib_mad_reg_req req; + struct ib_mad_agent *agent = NULL; + int agent_id; + int ret; + + mutex_lock(&file->port->file_mutex); + mutex_lock(&file->mutex); + + if (!file->port->ib_dev) { + dev_notice(file->port->dev, + "ib_umad_reg_agent2: invalid device\n"); + ret = -EPIPE; + goto out; + } + + if (copy_from_user(&ureq, arg, sizeof(ureq))) { + ret = -EFAULT; + goto out; + } + + if (ureq.qpn != 0 && ureq.qpn != 1) { + dev_notice(file->port->dev, + "ib_umad_reg_agent2: invalid QPN %d specified\n", + ureq.qpn); + ret = -EINVAL; + goto out; + } + + if (ureq.flags & ~IB_USER_MAD_REG_FLAGS_CAP) { + dev_notice(file->port->dev, + "ib_umad_reg_agent2 failed: invalid registration flags specified 0x%x; supported 0x%x\n", + ureq.flags, IB_USER_MAD_REG_FLAGS_CAP); + ret = -EINVAL; + + if (put_user((u32)IB_USER_MAD_REG_FLAGS_CAP, + (u32 __user *) (arg + offsetof(struct + ib_user_mad_reg_req2, flags)))) + ret = -EFAULT; + + goto out; + } + + for (agent_id = 0; agent_id < IB_UMAD_MAX_AGENTS; ++agent_id) + if (!__get_agent(file, agent_id)) + goto found; + + dev_notice(file->port->dev, + "ib_umad_reg_agent2: Max Agents (%u) reached\n", + IB_UMAD_MAX_AGENTS); + ret = -ENOMEM; + goto out; + +found: + if (ureq.mgmt_class) { + memset(&req, 0, sizeof(req)); + req.mgmt_class = ureq.mgmt_class; + req.mgmt_class_version = ureq.mgmt_class_version; + if (ureq.oui & 0xff000000) { + dev_notice(file->port->dev, + "ib_umad_reg_agent2 failed: oui invalid 0x%08x\n", + ureq.oui); + ret = -EINVAL; + goto out; + } + req.oui[2] = ureq.oui & 0x0000ff; + req.oui[1] = (ureq.oui & 0x00ff00) >> 8; + req.oui[0] = (ureq.oui & 0xff0000) >> 16; + memcpy(req.method_mask, ureq.method_mask, + sizeof(req.method_mask)); + } + + agent = ib_register_mad_agent(file->port->ib_dev, file->port->port_num, + ureq.qpn ? IB_QPT_GSI : IB_QPT_SMI, + ureq.mgmt_class ? &req : NULL, + ureq.rmpp_version, + send_handler, recv_handler, file, + ureq.flags); + if (IS_ERR(agent)) { + ret = PTR_ERR(agent); + agent = NULL; + goto out; + } + + if (put_user(agent_id, + (u32 __user *)(arg + + offsetof(struct ib_user_mad_reg_req2, id)))) { + ret = -EFAULT; + goto out; + } + + if (!file->already_used) { + file->already_used = 1; + file->use_pkey_index = 1; + } + + file->agent[agent_id] = agent; + ret = 0; + +out: + mutex_unlock(&file->mutex); + + if (ret && agent) + ib_unregister_mad_agent(agent); + + mutex_unlock(&file->port->file_mutex); + + return ret; +} + + static int ib_umad_unreg_agent(struct ib_umad_file *file, u32 __user *arg) { struct ib_mad_agent *agent = NULL; @@ -749,6 +884,8 @@ static long ib_umad_ioctl(struct file *filp, unsigned int cmd, return ib_umad_unreg_agent(filp->private_data, (__u32 __user *) arg); case IB_USER_MAD_ENABLE_PKEY: return ib_umad_enable_pkey(filp->private_data); + case IB_USER_MAD_REGISTER_AGENT2: + return ib_umad_reg_agent2(filp->private_data, (void __user *) arg); default: return -ENOIOCTLCMD; } @@ -765,6 +902,8 @@ static long ib_umad_compat_ioctl(struct file *filp, unsigned int cmd, return ib_umad_unreg_agent(filp->private_data, compat_ptr(arg)); case IB_USER_MAD_ENABLE_PKEY: return ib_umad_enable_pkey(filp->private_data); + case IB_USER_MAD_REGISTER_AGENT2: + return ib_umad_reg_agent2(filp->private_data, compat_ptr(arg)); default: return -ENOIOCTLCMD; } @@ -983,7 +1122,7 @@ static CLASS_ATTR_STRING(abi_version, S_IRUGO, static dev_t overflow_maj; static DECLARE_BITMAP(overflow_map, IB_UMAD_MAX_PORTS); -static int find_overflow_devnum(void) +static int find_overflow_devnum(struct ib_device *device) { int ret; @@ -991,7 +1130,8 @@ static int find_overflow_devnum(void) ret = alloc_chrdev_region(&overflow_maj, 0, IB_UMAD_MAX_PORTS * 2, "infiniband_mad"); if (ret) { - printk(KERN_ERR "user_mad: couldn't register dynamic device number\n"); + dev_err(&device->dev, + "couldn't register dynamic device number\n"); return ret; } } @@ -1014,7 +1154,7 @@ static int ib_umad_init_port(struct ib_device *device, int port_num, devnum = find_first_zero_bit(dev_map, IB_UMAD_MAX_PORTS); if (devnum >= IB_UMAD_MAX_PORTS) { spin_unlock(&port_lock); - devnum = find_overflow_devnum(); + devnum = find_overflow_devnum(device); if (devnum < 0) return -1; @@ -1200,14 +1340,14 @@ static int __init ib_umad_init(void) ret = register_chrdev_region(base_dev, IB_UMAD_MAX_PORTS * 2, "infiniband_mad"); if (ret) { - printk(KERN_ERR "user_mad: couldn't register device number\n"); + pr_err("couldn't register device number\n"); goto out; } umad_class = class_create(THIS_MODULE, "infiniband_mad"); if (IS_ERR(umad_class)) { ret = PTR_ERR(umad_class); - printk(KERN_ERR "user_mad: couldn't create class infiniband_mad\n"); + pr_err("couldn't create class infiniband_mad\n"); goto out_chrdev; } @@ -1215,13 +1355,13 @@ static int __init ib_umad_init(void) ret = class_create_file(umad_class, &class_attr_abi_version.attr); if (ret) { - printk(KERN_ERR "user_mad: couldn't create abi_version attribute\n"); + pr_err("couldn't create abi_version attribute\n"); goto out_class; } ret = ib_register_client(&umad_client); if (ret) { - printk(KERN_ERR "user_mad: couldn't register ib_umad client\n"); + pr_err("couldn't register ib_umad client\n"); goto out_class; } diff --git a/drivers/infiniband/core/uverbs.h b/drivers/infiniband/core/uverbs.h index a283274a5a09..643c08a025a5 100644 --- a/drivers/infiniband/core/uverbs.h +++ b/drivers/infiniband/core/uverbs.h @@ -221,6 +221,7 @@ IB_UVERBS_DECLARE_CMD(query_port); IB_UVERBS_DECLARE_CMD(alloc_pd); IB_UVERBS_DECLARE_CMD(dealloc_pd); IB_UVERBS_DECLARE_CMD(reg_mr); +IB_UVERBS_DECLARE_CMD(rereg_mr); IB_UVERBS_DECLARE_CMD(dereg_mr); IB_UVERBS_DECLARE_CMD(alloc_mw); IB_UVERBS_DECLARE_CMD(dealloc_mw); diff --git a/drivers/infiniband/core/uverbs_cmd.c b/drivers/infiniband/core/uverbs_cmd.c index ea6203ee7bcc..0600c50e6215 100644 --- a/drivers/infiniband/core/uverbs_cmd.c +++ b/drivers/infiniband/core/uverbs_cmd.c @@ -1002,6 +1002,99 @@ err_free: return ret; } +ssize_t ib_uverbs_rereg_mr(struct ib_uverbs_file *file, + const char __user *buf, int in_len, + int out_len) +{ + struct ib_uverbs_rereg_mr cmd; + struct ib_uverbs_rereg_mr_resp resp; + struct ib_udata udata; + struct ib_pd *pd = NULL; + struct ib_mr *mr; + struct ib_pd *old_pd; + int ret; + struct ib_uobject *uobj; + + if (out_len < sizeof(resp)) + return -ENOSPC; + + if (copy_from_user(&cmd, buf, sizeof(cmd))) + return -EFAULT; + + INIT_UDATA(&udata, buf + sizeof(cmd), + (unsigned long) cmd.response + sizeof(resp), + in_len - sizeof(cmd), out_len - sizeof(resp)); + + if (cmd.flags & ~IB_MR_REREG_SUPPORTED || !cmd.flags) + return -EINVAL; + + if ((cmd.flags & IB_MR_REREG_TRANS) && + (!cmd.start || !cmd.hca_va || 0 >= cmd.length || + (cmd.start & ~PAGE_MASK) != (cmd.hca_va & ~PAGE_MASK))) + return -EINVAL; + + uobj = idr_write_uobj(&ib_uverbs_mr_idr, cmd.mr_handle, + file->ucontext); + + if (!uobj) + return -EINVAL; + + mr = uobj->object; + + if (cmd.flags & IB_MR_REREG_ACCESS) { + ret = ib_check_mr_access(cmd.access_flags); + if (ret) + goto put_uobjs; + } + + if (cmd.flags & IB_MR_REREG_PD) { + pd = idr_read_pd(cmd.pd_handle, file->ucontext); + if (!pd) { + ret = -EINVAL; + goto put_uobjs; + } + } + + if (atomic_read(&mr->usecnt)) { + ret = -EBUSY; + goto put_uobj_pd; + } + + old_pd = mr->pd; + ret = mr->device->rereg_user_mr(mr, cmd.flags, cmd.start, + cmd.length, cmd.hca_va, + cmd.access_flags, pd, &udata); + if (!ret) { + if (cmd.flags & IB_MR_REREG_PD) { + atomic_inc(&pd->usecnt); + mr->pd = pd; + atomic_dec(&old_pd->usecnt); + } + } else { + goto put_uobj_pd; + } + + memset(&resp, 0, sizeof(resp)); + resp.lkey = mr->lkey; + resp.rkey = mr->rkey; + + if (copy_to_user((void __user *)(unsigned long)cmd.response, + &resp, sizeof(resp))) + ret = -EFAULT; + else + ret = in_len; + +put_uobj_pd: + if (cmd.flags & IB_MR_REREG_PD) + put_pd_read(pd); + +put_uobjs: + + put_uobj_write(mr->uobject); + + return ret; +} + ssize_t ib_uverbs_dereg_mr(struct ib_uverbs_file *file, const char __user *buf, int in_len, int out_len) diff --git a/drivers/infiniband/core/uverbs_main.c b/drivers/infiniband/core/uverbs_main.c index 08219fb3338b..c73b22a257fe 100644 --- a/drivers/infiniband/core/uverbs_main.c +++ b/drivers/infiniband/core/uverbs_main.c @@ -87,6 +87,7 @@ static ssize_t (*uverbs_cmd_table[])(struct ib_uverbs_file *file, [IB_USER_VERBS_CMD_ALLOC_PD] = ib_uverbs_alloc_pd, [IB_USER_VERBS_CMD_DEALLOC_PD] = ib_uverbs_dealloc_pd, [IB_USER_VERBS_CMD_REG_MR] = ib_uverbs_reg_mr, + [IB_USER_VERBS_CMD_REREG_MR] = ib_uverbs_rereg_mr, [IB_USER_VERBS_CMD_DEREG_MR] = ib_uverbs_dereg_mr, [IB_USER_VERBS_CMD_ALLOC_MW] = ib_uverbs_alloc_mw, [IB_USER_VERBS_CMD_DEALLOC_MW] = ib_uverbs_dealloc_mw, diff --git a/drivers/infiniband/hw/amso1100/c2_cq.c b/drivers/infiniband/hw/amso1100/c2_cq.c index 49e0e8533f74..1b63185b4ad4 100644 --- a/drivers/infiniband/hw/amso1100/c2_cq.c +++ b/drivers/infiniband/hw/amso1100/c2_cq.c @@ -260,11 +260,14 @@ static void c2_free_cq_buf(struct c2_dev *c2dev, struct c2_mq *mq) mq->msg_pool.host, dma_unmap_addr(mq, mapping)); } -static int c2_alloc_cq_buf(struct c2_dev *c2dev, struct c2_mq *mq, int q_size, - int msg_size) +static int c2_alloc_cq_buf(struct c2_dev *c2dev, struct c2_mq *mq, + size_t q_size, size_t msg_size) { u8 *pool_start; + if (q_size > SIZE_MAX / msg_size) + return -EINVAL; + pool_start = dma_alloc_coherent(&c2dev->pcidev->dev, q_size * msg_size, &mq->host_dma, GFP_KERNEL); if (!pool_start) diff --git a/drivers/infiniband/hw/cxgb4/ev.c b/drivers/infiniband/hw/cxgb4/ev.c index fbe6051af254..c9df0549f51d 100644 --- a/drivers/infiniband/hw/cxgb4/ev.c +++ b/drivers/infiniband/hw/cxgb4/ev.c @@ -227,6 +227,7 @@ int c4iw_ev_handler(struct c4iw_dev *dev, u32 qid) chp = get_chp(dev, qid); if (chp) { + t4_clear_cq_armed(&chp->cq); spin_lock_irqsave(&chp->comp_handler_lock, flag); (*chp->ibcq.comp_handler)(&chp->ibcq, chp->ibcq.cq_context); spin_unlock_irqrestore(&chp->comp_handler_lock, flag); diff --git a/drivers/infiniband/hw/cxgb4/qp.c b/drivers/infiniband/hw/cxgb4/qp.c index c158fcc02bca..41cd6882b648 100644 --- a/drivers/infiniband/hw/cxgb4/qp.c +++ b/drivers/infiniband/hw/cxgb4/qp.c @@ -1105,7 +1105,7 @@ static void __flush_qp(struct c4iw_qp *qhp, struct c4iw_cq *rchp, struct c4iw_cq *schp) { int count; - int flushed; + int rq_flushed, sq_flushed; unsigned long flag; PDBG("%s qhp %p rchp %p schp %p\n", __func__, qhp, rchp, schp); @@ -1123,27 +1123,40 @@ static void __flush_qp(struct c4iw_qp *qhp, struct c4iw_cq *rchp, c4iw_flush_hw_cq(rchp); c4iw_count_rcqes(&rchp->cq, &qhp->wq, &count); - flushed = c4iw_flush_rq(&qhp->wq, &rchp->cq, count); + rq_flushed = c4iw_flush_rq(&qhp->wq, &rchp->cq, count); spin_unlock(&qhp->lock); spin_unlock_irqrestore(&rchp->lock, flag); - if (flushed) { - spin_lock_irqsave(&rchp->comp_handler_lock, flag); - (*rchp->ibcq.comp_handler)(&rchp->ibcq, rchp->ibcq.cq_context); - spin_unlock_irqrestore(&rchp->comp_handler_lock, flag); - } /* locking hierarchy: cq lock first, then qp lock. */ spin_lock_irqsave(&schp->lock, flag); spin_lock(&qhp->lock); if (schp != rchp) c4iw_flush_hw_cq(schp); - flushed = c4iw_flush_sq(qhp); + sq_flushed = c4iw_flush_sq(qhp); spin_unlock(&qhp->lock); spin_unlock_irqrestore(&schp->lock, flag); - if (flushed) { - spin_lock_irqsave(&schp->comp_handler_lock, flag); - (*schp->ibcq.comp_handler)(&schp->ibcq, schp->ibcq.cq_context); - spin_unlock_irqrestore(&schp->comp_handler_lock, flag); + + if (schp == rchp) { + if (t4_clear_cq_armed(&rchp->cq) && + (rq_flushed || sq_flushed)) { + spin_lock_irqsave(&rchp->comp_handler_lock, flag); + (*rchp->ibcq.comp_handler)(&rchp->ibcq, + rchp->ibcq.cq_context); + spin_unlock_irqrestore(&rchp->comp_handler_lock, flag); + } + } else { + if (t4_clear_cq_armed(&rchp->cq) && rq_flushed) { + spin_lock_irqsave(&rchp->comp_handler_lock, flag); + (*rchp->ibcq.comp_handler)(&rchp->ibcq, + rchp->ibcq.cq_context); + spin_unlock_irqrestore(&rchp->comp_handler_lock, flag); + } + if (t4_clear_cq_armed(&schp->cq) && sq_flushed) { + spin_lock_irqsave(&schp->comp_handler_lock, flag); + (*schp->ibcq.comp_handler)(&schp->ibcq, + schp->ibcq.cq_context); + spin_unlock_irqrestore(&schp->comp_handler_lock, flag); + } } } diff --git a/drivers/infiniband/hw/cxgb4/t4.h b/drivers/infiniband/hw/cxgb4/t4.h index df5edfa31a8f..c04e5134b30c 100644 --- a/drivers/infiniband/hw/cxgb4/t4.h +++ b/drivers/infiniband/hw/cxgb4/t4.h @@ -524,6 +524,10 @@ static inline int t4_wq_db_enabled(struct t4_wq *wq) return !wq->rq.queue[wq->rq.size].status.db_off; } +enum t4_cq_flags { + CQ_ARMED = 1, +}; + struct t4_cq { struct t4_cqe *queue; dma_addr_t dma_addr; @@ -544,12 +548,19 @@ struct t4_cq { u16 cidx_inc; u8 gen; u8 error; + unsigned long flags; }; +static inline int t4_clear_cq_armed(struct t4_cq *cq) +{ + return test_and_clear_bit(CQ_ARMED, &cq->flags); +} + static inline int t4_arm_cq(struct t4_cq *cq, int se) { u32 val; + set_bit(CQ_ARMED, &cq->flags); while (cq->cidx_inc > CIDXINC_MASK) { val = SEINTARM(0) | CIDXINC(CIDXINC_MASK) | TIMERREG(7) | INGRESSQID(cq->cqid); diff --git a/drivers/infiniband/hw/ipath/ipath_mad.c b/drivers/infiniband/hw/ipath/ipath_mad.c index 43f2d0424d4f..e890e5ba0e01 100644 --- a/drivers/infiniband/hw/ipath/ipath_mad.c +++ b/drivers/infiniband/hw/ipath/ipath_mad.c @@ -726,7 +726,7 @@ bail: * @dd: the infinipath device * @pkeys: the PKEY table */ -static int set_pkeys(struct ipath_devdata *dd, u16 *pkeys) +static int set_pkeys(struct ipath_devdata *dd, u16 *pkeys, u8 port) { struct ipath_portdata *pd; int i; @@ -759,6 +759,7 @@ static int set_pkeys(struct ipath_devdata *dd, u16 *pkeys) } if (changed) { u64 pkey; + struct ib_event event; pkey = (u64) dd->ipath_pkeys[0] | ((u64) dd->ipath_pkeys[1] << 16) | @@ -768,12 +769,17 @@ static int set_pkeys(struct ipath_devdata *dd, u16 *pkeys) (unsigned long long) pkey); ipath_write_kreg(dd, dd->ipath_kregs->kr_partitionkey, pkey); + + event.event = IB_EVENT_PKEY_CHANGE; + event.device = &dd->verbs_dev->ibdev; + event.element.port_num = port; + ib_dispatch_event(&event); } return 0; } static int recv_subn_set_pkeytable(struct ib_smp *smp, - struct ib_device *ibdev) + struct ib_device *ibdev, u8 port) { u32 startpx = 32 * (be32_to_cpu(smp->attr_mod) & 0xffff); __be16 *p = (__be16 *) smp->data; @@ -784,7 +790,7 @@ static int recv_subn_set_pkeytable(struct ib_smp *smp, for (i = 0; i < n; i++) q[i] = be16_to_cpu(p[i]); - if (startpx != 0 || set_pkeys(dev->dd, q) != 0) + if (startpx != 0 || set_pkeys(dev->dd, q, port) != 0) smp->status |= IB_SMP_INVALID_FIELD; return recv_subn_get_pkeytable(smp, ibdev); @@ -1342,7 +1348,7 @@ static int process_subn(struct ib_device *ibdev, int mad_flags, ret = recv_subn_set_portinfo(smp, ibdev, port_num); goto bail; case IB_SMP_ATTR_PKEY_TABLE: - ret = recv_subn_set_pkeytable(smp, ibdev); + ret = recv_subn_set_pkeytable(smp, ibdev, port_num); goto bail; case IB_SMP_ATTR_SM_INFO: if (dev->port_cap_flags & IB_PORT_SM_DISABLED) { diff --git a/drivers/infiniband/hw/mlx4/mad.c b/drivers/infiniband/hw/mlx4/mad.c index 287ad0564acd..82a7dd87089b 100644 --- a/drivers/infiniband/hw/mlx4/mad.c +++ b/drivers/infiniband/hw/mlx4/mad.c @@ -891,7 +891,7 @@ int mlx4_ib_mad_init(struct mlx4_ib_dev *dev) agent = ib_register_mad_agent(&dev->ib_dev, p + 1, q ? IB_QPT_GSI : IB_QPT_SMI, NULL, 0, send_handler, - NULL, NULL); + NULL, NULL, 0); if (IS_ERR(agent)) { ret = PTR_ERR(agent); goto err; diff --git a/drivers/infiniband/hw/mlx4/main.c b/drivers/infiniband/hw/mlx4/main.c index 0f7027e7db13..e1e558a3d692 100644 --- a/drivers/infiniband/hw/mlx4/main.c +++ b/drivers/infiniband/hw/mlx4/main.c @@ -910,8 +910,7 @@ static int __mlx4_ib_default_rules_match(struct ib_qp *qp, const struct default_rules *pdefault_rules = default_table; u8 link_layer = rdma_port_get_link_layer(qp->device, flow_attr->port); - for (i = 0; i < sizeof(default_table)/sizeof(default_table[0]); i++, - pdefault_rules++) { + for (i = 0; i < ARRAY_SIZE(default_table); i++, pdefault_rules++) { __u32 field_types[IB_FLOW_SPEC_SUPPORT_LAYERS]; memset(&field_types, 0, sizeof(field_types)); @@ -965,8 +964,7 @@ static int __mlx4_ib_create_default_rules( int size = 0; int i; - for (i = 0; i < sizeof(pdefault_rules->rules_create_list)/ - sizeof(pdefault_rules->rules_create_list[0]); i++) { + for (i = 0; i < ARRAY_SIZE(pdefault_rules->rules_create_list); i++) { int ret; union ib_flow_spec ib_spec; switch (pdefault_rules->rules_create_list[i]) { @@ -2007,6 +2005,7 @@ static void *mlx4_ib_add(struct mlx4_dev *dev) (1ull << IB_USER_VERBS_CMD_ALLOC_PD) | (1ull << IB_USER_VERBS_CMD_DEALLOC_PD) | (1ull << IB_USER_VERBS_CMD_REG_MR) | + (1ull << IB_USER_VERBS_CMD_REREG_MR) | (1ull << IB_USER_VERBS_CMD_DEREG_MR) | (1ull << IB_USER_VERBS_CMD_CREATE_COMP_CHANNEL) | (1ull << IB_USER_VERBS_CMD_CREATE_CQ) | @@ -2059,6 +2058,7 @@ static void *mlx4_ib_add(struct mlx4_dev *dev) ibdev->ib_dev.req_notify_cq = mlx4_ib_arm_cq; ibdev->ib_dev.get_dma_mr = mlx4_ib_get_dma_mr; ibdev->ib_dev.reg_user_mr = mlx4_ib_reg_user_mr; + ibdev->ib_dev.rereg_user_mr = mlx4_ib_rereg_user_mr; ibdev->ib_dev.dereg_mr = mlx4_ib_dereg_mr; ibdev->ib_dev.alloc_fast_reg_mr = mlx4_ib_alloc_fast_reg_mr; ibdev->ib_dev.alloc_fast_reg_page_list = mlx4_ib_alloc_fast_reg_page_list; diff --git a/drivers/infiniband/hw/mlx4/mlx4_ib.h b/drivers/infiniband/hw/mlx4/mlx4_ib.h index 369da3ca5d64..e8cad3926bfc 100644 --- a/drivers/infiniband/hw/mlx4/mlx4_ib.h +++ b/drivers/infiniband/hw/mlx4/mlx4_ib.h @@ -788,5 +788,9 @@ int mlx4_ib_steer_qp_alloc(struct mlx4_ib_dev *dev, int count, int *qpn); void mlx4_ib_steer_qp_free(struct mlx4_ib_dev *dev, u32 qpn, int count); int mlx4_ib_steer_qp_reg(struct mlx4_ib_dev *mdev, struct mlx4_ib_qp *mqp, int is_attach); +int mlx4_ib_rereg_user_mr(struct ib_mr *mr, int flags, + u64 start, u64 length, u64 virt_addr, + int mr_access_flags, struct ib_pd *pd, + struct ib_udata *udata); #endif /* MLX4_IB_H */ diff --git a/drivers/infiniband/hw/mlx4/mr.c b/drivers/infiniband/hw/mlx4/mr.c index cb2a8727f3fb..9b0e80e59b08 100644 --- a/drivers/infiniband/hw/mlx4/mr.c +++ b/drivers/infiniband/hw/mlx4/mr.c @@ -144,8 +144,10 @@ struct ib_mr *mlx4_ib_reg_user_mr(struct ib_pd *pd, u64 start, u64 length, if (!mr) return ERR_PTR(-ENOMEM); + /* Force registering the memory as writable. */ + /* Used for memory re-registeration. HCA protects the access */ mr->umem = ib_umem_get(pd->uobject->context, start, length, - access_flags, 0); + access_flags | IB_ACCESS_LOCAL_WRITE, 0); if (IS_ERR(mr->umem)) { err = PTR_ERR(mr->umem); goto err_free; @@ -183,6 +185,90 @@ err_free: return ERR_PTR(err); } +int mlx4_ib_rereg_user_mr(struct ib_mr *mr, int flags, + u64 start, u64 length, u64 virt_addr, + int mr_access_flags, struct ib_pd *pd, + struct ib_udata *udata) +{ + struct mlx4_ib_dev *dev = to_mdev(mr->device); + struct mlx4_ib_mr *mmr = to_mmr(mr); + struct mlx4_mpt_entry *mpt_entry; + struct mlx4_mpt_entry **pmpt_entry = &mpt_entry; + int err; + + /* Since we synchronize this call and mlx4_ib_dereg_mr via uverbs, + * we assume that the calls can't run concurrently. Otherwise, a + * race exists. + */ + err = mlx4_mr_hw_get_mpt(dev->dev, &mmr->mmr, &pmpt_entry); + + if (err) + return err; + + if (flags & IB_MR_REREG_PD) { + err = mlx4_mr_hw_change_pd(dev->dev, *pmpt_entry, + to_mpd(pd)->pdn); + + if (err) + goto release_mpt_entry; + } + + if (flags & IB_MR_REREG_ACCESS) { + err = mlx4_mr_hw_change_access(dev->dev, *pmpt_entry, + convert_access(mr_access_flags)); + + if (err) + goto release_mpt_entry; + } + + if (flags & IB_MR_REREG_TRANS) { + int shift; + int err; + int n; + + mlx4_mr_rereg_mem_cleanup(dev->dev, &mmr->mmr); + ib_umem_release(mmr->umem); + mmr->umem = ib_umem_get(mr->uobject->context, start, length, + mr_access_flags | + IB_ACCESS_LOCAL_WRITE, + 0); + if (IS_ERR(mmr->umem)) { + err = PTR_ERR(mmr->umem); + mmr->umem = NULL; + goto release_mpt_entry; + } + n = ib_umem_page_count(mmr->umem); + shift = ilog2(mmr->umem->page_size); + + mmr->mmr.iova = virt_addr; + mmr->mmr.size = length; + err = mlx4_mr_rereg_mem_write(dev->dev, &mmr->mmr, + virt_addr, length, n, shift, + *pmpt_entry); + if (err) { + ib_umem_release(mmr->umem); + goto release_mpt_entry; + } + + err = mlx4_ib_umem_write_mtt(dev, &mmr->mmr.mtt, mmr->umem); + if (err) { + mlx4_mr_rereg_mem_cleanup(dev->dev, &mmr->mmr); + ib_umem_release(mmr->umem); + goto release_mpt_entry; + } + } + + /* If we couldn't transfer the MR to the HCA, just remember to + * return a failure. But dereg_mr will free the resources. + */ + err = mlx4_mr_hw_write_mpt(dev->dev, &mmr->mmr, pmpt_entry); + +release_mpt_entry: + mlx4_mr_hw_put_mpt(dev->dev, pmpt_entry); + + return err; +} + int mlx4_ib_dereg_mr(struct ib_mr *ibmr) { struct mlx4_ib_mr *mr = to_mmr(ibmr); diff --git a/drivers/infiniband/hw/mlx5/qp.c b/drivers/infiniband/hw/mlx5/qp.c index 7efe6e3f3542..8c574b63d77b 100644 --- a/drivers/infiniband/hw/mlx5/qp.c +++ b/drivers/infiniband/hw/mlx5/qp.c @@ -2501,7 +2501,7 @@ int mlx5_ib_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr, spin_lock_irqsave(&qp->sq.lock, flags); for (nreq = 0; wr; nreq++, wr = wr->next) { - if (unlikely(wr->opcode >= sizeof(mlx5_ib_opcode) / sizeof(mlx5_ib_opcode[0]))) { + if (unlikely(wr->opcode >= ARRAY_SIZE(mlx5_ib_opcode))) { mlx5_ib_warn(dev, "\n"); err = -EINVAL; *bad_wr = wr; diff --git a/drivers/infiniband/hw/mthca/mthca_mad.c b/drivers/infiniband/hw/mthca/mthca_mad.c index b6f7f457fc55..8881fa376e06 100644 --- a/drivers/infiniband/hw/mthca/mthca_mad.c +++ b/drivers/infiniband/hw/mthca/mthca_mad.c @@ -294,7 +294,7 @@ int mthca_create_agents(struct mthca_dev *dev) agent = ib_register_mad_agent(&dev->ib_dev, p + 1, q ? IB_QPT_GSI : IB_QPT_SMI, NULL, 0, send_handler, - NULL, NULL); + NULL, NULL, 0); if (IS_ERR(agent)) { ret = PTR_ERR(agent); goto err; diff --git a/drivers/infiniband/hw/ocrdma/ocrdma.h b/drivers/infiniband/hw/ocrdma/ocrdma.h index 19011dbb930f..b43456ae124b 100644 --- a/drivers/infiniband/hw/ocrdma/ocrdma.h +++ b/drivers/infiniband/hw/ocrdma/ocrdma.h @@ -40,7 +40,7 @@ #include <be_roce.h> #include "ocrdma_sli.h" -#define OCRDMA_ROCE_DRV_VERSION "10.2.145.0u" +#define OCRDMA_ROCE_DRV_VERSION "10.2.287.0u" #define OCRDMA_ROCE_DRV_DESC "Emulex OneConnect RoCE Driver" #define OCRDMA_NODE_DESC "Emulex OneConnect RoCE HCA" @@ -137,6 +137,7 @@ struct mqe_ctx { u16 cqe_status; u16 ext_status; bool cmd_done; + bool fw_error_state; }; struct ocrdma_hw_mr { @@ -235,7 +236,10 @@ struct ocrdma_dev { struct list_head entry; struct rcu_head rcu; int id; - u64 stag_arr[OCRDMA_MAX_STAG]; + u64 *stag_arr; + u8 sl; /* service level */ + bool pfc_state; + atomic_t update_sl; u16 pvid; u32 asic_id; @@ -518,4 +522,22 @@ static inline u8 ocrdma_get_asic_type(struct ocrdma_dev *dev) OCRDMA_SLI_ASIC_GEN_NUM_SHIFT; } +static inline u8 ocrdma_get_pfc_prio(u8 *pfc, u8 prio) +{ + return *(pfc + prio); +} + +static inline u8 ocrdma_get_app_prio(u8 *app_prio, u8 prio) +{ + return *(app_prio + prio); +} + +static inline u8 ocrdma_is_enabled_and_synced(u32 state) +{ /* May also be used to interpret TC-state, QCN-state + * Appl-state and Logical-link-state in future. + */ + return (state & OCRDMA_STATE_FLAG_ENABLED) && + (state & OCRDMA_STATE_FLAG_SYNC); +} + #endif diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_ah.c b/drivers/infiniband/hw/ocrdma/ocrdma_ah.c index d4cc01f10c01..40f8536c10b0 100644 --- a/drivers/infiniband/hw/ocrdma/ocrdma_ah.c +++ b/drivers/infiniband/hw/ocrdma/ocrdma_ah.c @@ -35,6 +35,8 @@ #include "ocrdma_ah.h" #include "ocrdma_hw.h" +#define OCRDMA_VID_PCP_SHIFT 0xD + static inline int set_av_attr(struct ocrdma_dev *dev, struct ocrdma_ah *ah, struct ib_ah_attr *attr, int pdid) { @@ -55,7 +57,7 @@ static inline int set_av_attr(struct ocrdma_dev *dev, struct ocrdma_ah *ah, if (vlan_tag && (vlan_tag < 0x1000)) { eth.eth_type = cpu_to_be16(0x8100); eth.roce_eth_type = cpu_to_be16(OCRDMA_ROCE_ETH_TYPE); - vlan_tag |= (attr->sl & 7) << 13; + vlan_tag |= (dev->sl & 0x07) << OCRDMA_VID_PCP_SHIFT; eth.vlan_tag = cpu_to_be16(vlan_tag); eth_sz = sizeof(struct ocrdma_eth_vlan); vlan_enabled = true; @@ -100,6 +102,8 @@ struct ib_ah *ocrdma_create_ah(struct ib_pd *ibpd, struct ib_ah_attr *attr) if (!(attr->ah_flags & IB_AH_GRH)) return ERR_PTR(-EINVAL); + if (atomic_cmpxchg(&dev->update_sl, 1, 0)) + ocrdma_init_service_level(dev); ah = kzalloc(sizeof(*ah), GFP_ATOMIC); if (!ah) return ERR_PTR(-ENOMEM); diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_hw.c b/drivers/infiniband/hw/ocrdma/ocrdma_hw.c index 3bbf2010a821..dd35ae558ae1 100644 --- a/drivers/infiniband/hw/ocrdma/ocrdma_hw.c +++ b/drivers/infiniband/hw/ocrdma/ocrdma_hw.c @@ -525,7 +525,7 @@ static int ocrdma_mbx_mq_cq_create(struct ocrdma_dev *dev, cmd->ev_cnt_flags = OCRDMA_CREATE_CQ_DEF_FLAGS; cmd->eqn = eq->id; - cmd->cqe_count = cq->size / sizeof(struct ocrdma_mcqe); + cmd->pdid_cqecnt = cq->size / sizeof(struct ocrdma_mcqe); ocrdma_build_q_pages(&cmd->pa[0], cq->size / OCRDMA_MIN_Q_PAGE_SIZE, cq->dma, PAGE_SIZE_4K); @@ -661,7 +661,7 @@ static void ocrdma_dispatch_ibevent(struct ocrdma_dev *dev, { struct ocrdma_qp *qp = NULL; struct ocrdma_cq *cq = NULL; - struct ib_event ib_evt = { 0 }; + struct ib_event ib_evt; int cq_event = 0; int qp_event = 1; int srq_event = 0; @@ -674,6 +674,8 @@ static void ocrdma_dispatch_ibevent(struct ocrdma_dev *dev, if (cqe->cqvalid_cqid & OCRDMA_AE_MCQE_CQVALID) cq = dev->cq_tbl[cqe->cqvalid_cqid & OCRDMA_AE_MCQE_CQID_MASK]; + memset(&ib_evt, 0, sizeof(ib_evt)); + ib_evt.device = &dev->ibdev; switch (type) { @@ -771,6 +773,10 @@ static void ocrdma_process_grp5_aync(struct ocrdma_dev *dev, OCRDMA_AE_PVID_MCQE_TAG_MASK) >> OCRDMA_AE_PVID_MCQE_TAG_SHIFT); break; + + case OCRDMA_ASYNC_EVENT_COS_VALUE: + atomic_set(&dev->update_sl, 1); + break; default: /* Not interested evts. */ break; @@ -962,8 +968,12 @@ static int ocrdma_wait_mqe_cmpl(struct ocrdma_dev *dev) msecs_to_jiffies(30000)); if (status) return 0; - else + else { + dev->mqe_ctx.fw_error_state = true; + pr_err("%s(%d) mailbox timeout: fw not responding\n", + __func__, dev->id); return -1; + } } /* issue a mailbox command on the MQ */ @@ -975,6 +985,8 @@ static int ocrdma_mbx_cmd(struct ocrdma_dev *dev, struct ocrdma_mqe *mqe) struct ocrdma_mbx_rsp *rsp = NULL; mutex_lock(&dev->mqe_ctx.lock); + if (dev->mqe_ctx.fw_error_state) + goto mbx_err; ocrdma_post_mqe(dev, mqe); status = ocrdma_wait_mqe_cmpl(dev); if (status) @@ -1078,7 +1090,8 @@ static void ocrdma_get_attr(struct ocrdma_dev *dev, OCRDMA_MBX_QUERY_CFG_CA_ACK_DELAY_SHIFT; attr->max_mw = rsp->max_mw; attr->max_mr = rsp->max_mr; - attr->max_mr_size = ~0ull; + attr->max_mr_size = ((u64)rsp->max_mr_size_hi << 32) | + rsp->max_mr_size_lo; attr->max_fmr = 0; attr->max_pages_per_frmr = rsp->max_pages_per_frmr; attr->max_num_mr_pbl = rsp->max_num_mr_pbl; @@ -1252,7 +1265,9 @@ static int ocrdma_mbx_get_ctrl_attribs(struct ocrdma_dev *dev) ctrl_attr_rsp = (struct ocrdma_get_ctrl_attribs_rsp *)dma.va; hba_attribs = &ctrl_attr_rsp->ctrl_attribs.hba_attribs; - dev->hba_port_num = hba_attribs->phy_port; + dev->hba_port_num = (hba_attribs->ptpnum_maxdoms_hbast_cv & + OCRDMA_HBA_ATTRB_PTNUM_MASK) + >> OCRDMA_HBA_ATTRB_PTNUM_SHIFT; strncpy(dev->model_number, hba_attribs->controller_model_number, 31); } @@ -1302,7 +1317,8 @@ int ocrdma_mbx_get_link_speed(struct ocrdma_dev *dev, u8 *lnk_speed) goto mbx_err; rsp = (struct ocrdma_get_link_speed_rsp *)cmd; - *lnk_speed = rsp->phys_port_speed; + *lnk_speed = (rsp->pflt_pps_ld_pnum & OCRDMA_PHY_PS_MASK) + >> OCRDMA_PHY_PS_SHIFT; mbx_err: kfree(cmd); @@ -1328,11 +1344,16 @@ static int ocrdma_mbx_get_phy_info(struct ocrdma_dev *dev) goto mbx_err; rsp = (struct ocrdma_get_phy_info_rsp *)cmd; - dev->phy.phy_type = le16_to_cpu(rsp->phy_type); + dev->phy.phy_type = + (rsp->ityp_ptyp & OCRDMA_PHY_TYPE_MASK); + dev->phy.interface_type = + (rsp->ityp_ptyp & OCRDMA_IF_TYPE_MASK) + >> OCRDMA_IF_TYPE_SHIFT; dev->phy.auto_speeds_supported = - le16_to_cpu(rsp->auto_speeds_supported); + (rsp->fspeed_aspeed & OCRDMA_ASPEED_SUPP_MASK); dev->phy.fixed_speeds_supported = - le16_to_cpu(rsp->fixed_speeds_supported); + (rsp->fspeed_aspeed & OCRDMA_FSPEED_SUPP_MASK) + >> OCRDMA_FSPEED_SUPP_SHIFT; mbx_err: kfree(cmd); return status; @@ -1457,8 +1478,8 @@ static int ocrdma_mbx_create_ah_tbl(struct ocrdma_dev *dev) pbes = (struct ocrdma_pbe *)dev->av_tbl.pbl.va; for (i = 0; i < dev->av_tbl.size / OCRDMA_MIN_Q_PAGE_SIZE; i++) { - pbes[i].pa_lo = (u32) (pa & 0xffffffff); - pbes[i].pa_hi = (u32) upper_32_bits(pa); + pbes[i].pa_lo = (u32)cpu_to_le32(pa & 0xffffffff); + pbes[i].pa_hi = (u32)cpu_to_le32(upper_32_bits(pa)); pa += PAGE_SIZE; } cmd->tbl_addr[0].lo = (u32)(dev->av_tbl.pbl.pa & 0xFFFFFFFF); @@ -1501,6 +1522,7 @@ static void ocrdma_mbx_delete_ah_tbl(struct ocrdma_dev *dev) ocrdma_mbx_cmd(dev, (struct ocrdma_mqe *)cmd); dma_free_coherent(&pdev->dev, dev->av_tbl.size, dev->av_tbl.va, dev->av_tbl.pa); + dev->av_tbl.va = NULL; dma_free_coherent(&pdev->dev, PAGE_SIZE, dev->av_tbl.pbl.va, dev->av_tbl.pbl.pa); kfree(cmd); @@ -1624,14 +1646,16 @@ int ocrdma_mbx_create_cq(struct ocrdma_dev *dev, struct ocrdma_cq *cq, cmd->cmd.pgsz_pgcnt |= OCRDMA_CREATE_CQ_DPP << OCRDMA_CREATE_CQ_TYPE_SHIFT; cq->phase_change = false; - cmd->cmd.cqe_count = (cq->len / cqe_size); + cmd->cmd.pdid_cqecnt = (cq->len / cqe_size); } else { - cmd->cmd.cqe_count = (cq->len / cqe_size) - 1; + cmd->cmd.pdid_cqecnt = (cq->len / cqe_size) - 1; cmd->cmd.ev_cnt_flags |= OCRDMA_CREATE_CQ_FLAGS_AUTO_VALID; cq->phase_change = true; } - cmd->cmd.pd_id = pd_id; /* valid only for v3 */ + /* pd_id valid only for v3 */ + cmd->cmd.pdid_cqecnt |= (pd_id << + OCRDMA_CREATE_CQ_CMD_PDID_SHIFT); ocrdma_build_q_pages(&cmd->cmd.pa[0], hw_pages, cq->pa, page_size); status = ocrdma_mbx_cmd(dev, (struct ocrdma_mqe *)cmd); if (status) @@ -2206,7 +2230,8 @@ int ocrdma_mbx_create_qp(struct ocrdma_qp *qp, struct ib_qp_init_attr *attrs, OCRDMA_CREATE_QP_REQ_RQ_CQID_MASK; qp->rq_cq = cq; - if (pd->dpp_enabled && pd->num_dpp_qp) { + if (pd->dpp_enabled && attrs->cap.max_inline_data && pd->num_dpp_qp && + (attrs->cap.max_inline_data <= dev->attr.max_inline_data)) { ocrdma_set_create_qp_dpp_cmd(cmd, pd, qp, enable_dpp_cq, dpp_cq_id); } @@ -2264,6 +2289,8 @@ static int ocrdma_set_av_params(struct ocrdma_qp *qp, if ((ah_attr->ah_flags & IB_AH_GRH) == 0) return -EINVAL; + if (atomic_cmpxchg(&qp->dev->update_sl, 1, 0)) + ocrdma_init_service_level(qp->dev); cmd->params.tclass_sq_psn |= (ah_attr->grh.traffic_class << OCRDMA_QP_PARAMS_TCLASS_SHIFT); cmd->params.rnt_rc_sl_fl |= @@ -2297,6 +2324,8 @@ static int ocrdma_set_av_params(struct ocrdma_qp *qp, cmd->params.vlan_dmac_b4_to_b5 |= vlan_id << OCRDMA_QP_PARAMS_VLAN_SHIFT; cmd->flags |= OCRDMA_QP_PARA_VLAN_EN_VALID; + cmd->params.rnt_rc_sl_fl |= + (qp->dev->sl & 0x07) << OCRDMA_QP_PARAMS_SL_SHIFT; } return 0; } @@ -2604,6 +2633,168 @@ int ocrdma_mbx_destroy_srq(struct ocrdma_dev *dev, struct ocrdma_srq *srq) return status; } +static int ocrdma_mbx_get_dcbx_config(struct ocrdma_dev *dev, u32 ptype, + struct ocrdma_dcbx_cfg *dcbxcfg) +{ + int status = 0; + dma_addr_t pa; + struct ocrdma_mqe cmd; + + struct ocrdma_get_dcbx_cfg_req *req = NULL; + struct ocrdma_get_dcbx_cfg_rsp *rsp = NULL; + struct pci_dev *pdev = dev->nic_info.pdev; + struct ocrdma_mqe_sge *mqe_sge = cmd.u.nonemb_req.sge; + + memset(&cmd, 0, sizeof(struct ocrdma_mqe)); + cmd.hdr.pyld_len = max_t (u32, sizeof(struct ocrdma_get_dcbx_cfg_rsp), + sizeof(struct ocrdma_get_dcbx_cfg_req)); + req = dma_alloc_coherent(&pdev->dev, cmd.hdr.pyld_len, &pa, GFP_KERNEL); + if (!req) { + status = -ENOMEM; + goto mem_err; + } + + cmd.hdr.spcl_sge_cnt_emb |= (1 << OCRDMA_MQE_HDR_SGE_CNT_SHIFT) & + OCRDMA_MQE_HDR_SGE_CNT_MASK; + mqe_sge->pa_lo = (u32) (pa & 0xFFFFFFFFUL); + mqe_sge->pa_hi = (u32) upper_32_bits(pa); + mqe_sge->len = cmd.hdr.pyld_len; + + memset(req, 0, sizeof(struct ocrdma_get_dcbx_cfg_req)); + ocrdma_init_mch(&req->hdr, OCRDMA_CMD_GET_DCBX_CONFIG, + OCRDMA_SUBSYS_DCBX, cmd.hdr.pyld_len); + req->param_type = ptype; + + status = ocrdma_mbx_cmd(dev, &cmd); + if (status) + goto mbx_err; + + rsp = (struct ocrdma_get_dcbx_cfg_rsp *)req; + ocrdma_le32_to_cpu(rsp, sizeof(struct ocrdma_get_dcbx_cfg_rsp)); + memcpy(dcbxcfg, &rsp->cfg, sizeof(struct ocrdma_dcbx_cfg)); + +mbx_err: + dma_free_coherent(&pdev->dev, cmd.hdr.pyld_len, req, pa); +mem_err: + return status; +} + +#define OCRDMA_MAX_SERVICE_LEVEL_INDEX 0x08 +#define OCRDMA_DEFAULT_SERVICE_LEVEL 0x05 + +static int ocrdma_parse_dcbxcfg_rsp(struct ocrdma_dev *dev, int ptype, + struct ocrdma_dcbx_cfg *dcbxcfg, + u8 *srvc_lvl) +{ + int status = -EINVAL, indx, slindx; + int ventry_cnt; + struct ocrdma_app_parameter *app_param; + u8 valid, proto_sel; + u8 app_prio, pfc_prio; + u16 proto; + + if (!(dcbxcfg->tcv_aev_opv_st & OCRDMA_DCBX_STATE_MASK)) { + pr_info("%s ocrdma%d DCBX is disabled\n", + dev_name(&dev->nic_info.pdev->dev), dev->id); + goto out; + } + + if (!ocrdma_is_enabled_and_synced(dcbxcfg->pfc_state)) { + pr_info("%s ocrdma%d priority flow control(%s) is %s%s\n", + dev_name(&dev->nic_info.pdev->dev), dev->id, + (ptype > 0 ? "operational" : "admin"), + (dcbxcfg->pfc_state & OCRDMA_STATE_FLAG_ENABLED) ? + "enabled" : "disabled", + (dcbxcfg->pfc_state & OCRDMA_STATE_FLAG_SYNC) ? + "" : ", not sync'ed"); + goto out; + } else { + pr_info("%s ocrdma%d priority flow control is enabled and sync'ed\n", + dev_name(&dev->nic_info.pdev->dev), dev->id); + } + + ventry_cnt = (dcbxcfg->tcv_aev_opv_st >> + OCRDMA_DCBX_APP_ENTRY_SHIFT) + & OCRDMA_DCBX_STATE_MASK; + + for (indx = 0; indx < ventry_cnt; indx++) { + app_param = &dcbxcfg->app_param[indx]; + valid = (app_param->valid_proto_app >> + OCRDMA_APP_PARAM_VALID_SHIFT) + & OCRDMA_APP_PARAM_VALID_MASK; + proto_sel = (app_param->valid_proto_app + >> OCRDMA_APP_PARAM_PROTO_SEL_SHIFT) + & OCRDMA_APP_PARAM_PROTO_SEL_MASK; + proto = app_param->valid_proto_app & + OCRDMA_APP_PARAM_APP_PROTO_MASK; + + if ( + valid && proto == OCRDMA_APP_PROTO_ROCE && + proto_sel == OCRDMA_PROTO_SELECT_L2) { + for (slindx = 0; slindx < + OCRDMA_MAX_SERVICE_LEVEL_INDEX; slindx++) { + app_prio = ocrdma_get_app_prio( + (u8 *)app_param->app_prio, + slindx); + pfc_prio = ocrdma_get_pfc_prio( + (u8 *)dcbxcfg->pfc_prio, + slindx); + + if (app_prio && pfc_prio) { + *srvc_lvl = slindx; + status = 0; + goto out; + } + } + if (slindx == OCRDMA_MAX_SERVICE_LEVEL_INDEX) { + pr_info("%s ocrdma%d application priority not set for 0x%x protocol\n", + dev_name(&dev->nic_info.pdev->dev), + dev->id, proto); + } + } + } + +out: + return status; +} + +void ocrdma_init_service_level(struct ocrdma_dev *dev) +{ + int status = 0, indx; + struct ocrdma_dcbx_cfg dcbxcfg; + u8 srvc_lvl = OCRDMA_DEFAULT_SERVICE_LEVEL; + int ptype = OCRDMA_PARAMETER_TYPE_OPER; + + for (indx = 0; indx < 2; indx++) { + status = ocrdma_mbx_get_dcbx_config(dev, ptype, &dcbxcfg); + if (status) { + pr_err("%s(): status=%d\n", __func__, status); + ptype = OCRDMA_PARAMETER_TYPE_ADMIN; + continue; + } + + status = ocrdma_parse_dcbxcfg_rsp(dev, ptype, + &dcbxcfg, &srvc_lvl); + if (status) { + ptype = OCRDMA_PARAMETER_TYPE_ADMIN; + continue; + } + + break; + } + + if (status) + pr_info("%s ocrdma%d service level default\n", + dev_name(&dev->nic_info.pdev->dev), dev->id); + else + pr_info("%s ocrdma%d service level %d\n", + dev_name(&dev->nic_info.pdev->dev), dev->id, + srvc_lvl); + + dev->pfc_state = ocrdma_is_enabled_and_synced(dcbxcfg.pfc_state); + dev->sl = srvc_lvl; +} + int ocrdma_alloc_av(struct ocrdma_dev *dev, struct ocrdma_ah *ah) { int i; @@ -2709,13 +2900,15 @@ int ocrdma_init_hw(struct ocrdma_dev *dev) goto conf_err; status = ocrdma_mbx_get_phy_info(dev); if (status) - goto conf_err; + goto info_attrb_err; status = ocrdma_mbx_get_ctrl_attribs(dev); if (status) - goto conf_err; + goto info_attrb_err; return 0; +info_attrb_err: + ocrdma_mbx_delete_ah_tbl(dev); conf_err: ocrdma_destroy_mq(dev); mq_err: diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_hw.h b/drivers/infiniband/hw/ocrdma/ocrdma_hw.h index e513f7293142..6eed8f191322 100644 --- a/drivers/infiniband/hw/ocrdma/ocrdma_hw.h +++ b/drivers/infiniband/hw/ocrdma/ocrdma_hw.h @@ -135,4 +135,6 @@ int ocrdma_get_irq(struct ocrdma_dev *dev, struct ocrdma_eq *eq); int ocrdma_mbx_rdma_stats(struct ocrdma_dev *, bool reset); char *port_speed_string(struct ocrdma_dev *dev); +void ocrdma_init_service_level(struct ocrdma_dev *); + #endif /* __OCRDMA_HW_H__ */ diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_main.c b/drivers/infiniband/hw/ocrdma/ocrdma_main.c index 7c504e079744..256a06bc0b68 100644 --- a/drivers/infiniband/hw/ocrdma/ocrdma_main.c +++ b/drivers/infiniband/hw/ocrdma/ocrdma_main.c @@ -324,6 +324,11 @@ static int ocrdma_alloc_resources(struct ocrdma_dev *dev) if (!dev->qp_tbl) goto alloc_err; } + + dev->stag_arr = kzalloc(sizeof(u64) * OCRDMA_MAX_STAG, GFP_KERNEL); + if (dev->stag_arr == NULL) + goto alloc_err; + spin_lock_init(&dev->av_tbl.lock); spin_lock_init(&dev->flush_q_lock); return 0; @@ -334,6 +339,7 @@ alloc_err: static void ocrdma_free_resources(struct ocrdma_dev *dev) { + kfree(dev->stag_arr); kfree(dev->qp_tbl); kfree(dev->cq_tbl); kfree(dev->sgid_tbl); @@ -353,15 +359,25 @@ static ssize_t show_fw_ver(struct device *device, struct device_attribute *attr, { struct ocrdma_dev *dev = dev_get_drvdata(device); - return scnprintf(buf, PAGE_SIZE, "%s", &dev->attr.fw_ver[0]); + return scnprintf(buf, PAGE_SIZE, "%s\n", &dev->attr.fw_ver[0]); +} + +static ssize_t show_hca_type(struct device *device, + struct device_attribute *attr, char *buf) +{ + struct ocrdma_dev *dev = dev_get_drvdata(device); + + return scnprintf(buf, PAGE_SIZE, "%s\n", &dev->model_number[0]); } static DEVICE_ATTR(hw_rev, S_IRUGO, show_rev, NULL); static DEVICE_ATTR(fw_ver, S_IRUGO, show_fw_ver, NULL); +static DEVICE_ATTR(hca_type, S_IRUGO, show_hca_type, NULL); static struct device_attribute *ocrdma_attributes[] = { &dev_attr_hw_rev, - &dev_attr_fw_ver + &dev_attr_fw_ver, + &dev_attr_hca_type }; static void ocrdma_remove_sysfiles(struct ocrdma_dev *dev) @@ -372,6 +388,58 @@ static void ocrdma_remove_sysfiles(struct ocrdma_dev *dev) device_remove_file(&dev->ibdev.dev, ocrdma_attributes[i]); } +static void ocrdma_init_ipv4_gids(struct ocrdma_dev *dev, + struct net_device *net) +{ + struct in_device *in_dev; + union ib_gid gid; + in_dev = in_dev_get(net); + if (in_dev) { + for_ifa(in_dev) { + ipv6_addr_set_v4mapped(ifa->ifa_address, + (struct in6_addr *)&gid); + ocrdma_add_sgid(dev, &gid); + } + endfor_ifa(in_dev); + in_dev_put(in_dev); + } +} + +static void ocrdma_init_ipv6_gids(struct ocrdma_dev *dev, + struct net_device *net) +{ +#if IS_ENABLED(CONFIG_IPV6) + struct inet6_dev *in6_dev; + union ib_gid *pgid; + struct inet6_ifaddr *ifp; + in6_dev = in6_dev_get(net); + if (in6_dev) { + read_lock_bh(&in6_dev->lock); + list_for_each_entry(ifp, &in6_dev->addr_list, if_list) { + pgid = (union ib_gid *)&ifp->addr; + ocrdma_add_sgid(dev, pgid); + } + read_unlock_bh(&in6_dev->lock); + in6_dev_put(in6_dev); + } +#endif +} + +static void ocrdma_init_gid_table(struct ocrdma_dev *dev) +{ + struct net_device *net_dev; + + for_each_netdev(&init_net, net_dev) { + struct net_device *real_dev = rdma_vlan_dev_real_dev(net_dev) ? + rdma_vlan_dev_real_dev(net_dev) : net_dev; + + if (real_dev == dev->nic_info.netdev) { + ocrdma_init_ipv4_gids(dev, net_dev); + ocrdma_init_ipv6_gids(dev, net_dev); + } + } +} + static struct ocrdma_dev *ocrdma_add(struct be_dev_info *dev_info) { int status = 0, i; @@ -399,6 +467,8 @@ static struct ocrdma_dev *ocrdma_add(struct be_dev_info *dev_info) if (status) goto alloc_err; + ocrdma_init_service_level(dev); + ocrdma_init_gid_table(dev); status = ocrdma_register_device(dev); if (status) goto alloc_err; @@ -508,6 +578,12 @@ static int ocrdma_close(struct ocrdma_dev *dev) return 0; } +static void ocrdma_shutdown(struct ocrdma_dev *dev) +{ + ocrdma_close(dev); + ocrdma_remove(dev); +} + /* event handling via NIC driver ensures that all the NIC specific * initialization done before RoCE driver notifies * event to stack. @@ -521,6 +597,9 @@ static void ocrdma_event_handler(struct ocrdma_dev *dev, u32 event) case BE_DEV_DOWN: ocrdma_close(dev); break; + case BE_DEV_SHUTDOWN: + ocrdma_shutdown(dev); + break; } } diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_sli.h b/drivers/infiniband/hw/ocrdma/ocrdma_sli.h index 96c9ee602ba4..904989ec5eaa 100644 --- a/drivers/infiniband/hw/ocrdma/ocrdma_sli.h +++ b/drivers/infiniband/hw/ocrdma/ocrdma_sli.h @@ -44,35 +44,39 @@ enum { #define OCRDMA_SUBSYS_ROCE 10 enum { OCRDMA_CMD_QUERY_CONFIG = 1, - OCRDMA_CMD_ALLOC_PD, - OCRDMA_CMD_DEALLOC_PD, - - OCRDMA_CMD_CREATE_AH_TBL, - OCRDMA_CMD_DELETE_AH_TBL, - - OCRDMA_CMD_CREATE_QP, - OCRDMA_CMD_QUERY_QP, - OCRDMA_CMD_MODIFY_QP, - OCRDMA_CMD_DELETE_QP, - - OCRDMA_CMD_RSVD1, - OCRDMA_CMD_ALLOC_LKEY, - OCRDMA_CMD_DEALLOC_LKEY, - OCRDMA_CMD_REGISTER_NSMR, - OCRDMA_CMD_REREGISTER_NSMR, - OCRDMA_CMD_REGISTER_NSMR_CONT, - OCRDMA_CMD_QUERY_NSMR, - OCRDMA_CMD_ALLOC_MW, - OCRDMA_CMD_QUERY_MW, - - OCRDMA_CMD_CREATE_SRQ, - OCRDMA_CMD_QUERY_SRQ, - OCRDMA_CMD_MODIFY_SRQ, - OCRDMA_CMD_DELETE_SRQ, - - OCRDMA_CMD_ATTACH_MCAST, - OCRDMA_CMD_DETACH_MCAST, - OCRDMA_CMD_GET_RDMA_STATS, + OCRDMA_CMD_ALLOC_PD = 2, + OCRDMA_CMD_DEALLOC_PD = 3, + + OCRDMA_CMD_CREATE_AH_TBL = 4, + OCRDMA_CMD_DELETE_AH_TBL = 5, + + OCRDMA_CMD_CREATE_QP = 6, + OCRDMA_CMD_QUERY_QP = 7, + OCRDMA_CMD_MODIFY_QP = 8 , + OCRDMA_CMD_DELETE_QP = 9, + + OCRDMA_CMD_RSVD1 = 10, + OCRDMA_CMD_ALLOC_LKEY = 11, + OCRDMA_CMD_DEALLOC_LKEY = 12, + OCRDMA_CMD_REGISTER_NSMR = 13, + OCRDMA_CMD_REREGISTER_NSMR = 14, + OCRDMA_CMD_REGISTER_NSMR_CONT = 15, + OCRDMA_CMD_QUERY_NSMR = 16, + OCRDMA_CMD_ALLOC_MW = 17, + OCRDMA_CMD_QUERY_MW = 18, + + OCRDMA_CMD_CREATE_SRQ = 19, + OCRDMA_CMD_QUERY_SRQ = 20, + OCRDMA_CMD_MODIFY_SRQ = 21, + OCRDMA_CMD_DELETE_SRQ = 22, + + OCRDMA_CMD_ATTACH_MCAST = 23, + OCRDMA_CMD_DETACH_MCAST = 24, + + OCRDMA_CMD_CREATE_RBQ = 25, + OCRDMA_CMD_DESTROY_RBQ = 26, + + OCRDMA_CMD_GET_RDMA_STATS = 27, OCRDMA_CMD_MAX }; @@ -103,7 +107,7 @@ enum { #define OCRDMA_MAX_QP 2048 #define OCRDMA_MAX_CQ 2048 -#define OCRDMA_MAX_STAG 8192 +#define OCRDMA_MAX_STAG 16384 enum { OCRDMA_DB_RQ_OFFSET = 0xE0, @@ -422,7 +426,12 @@ struct ocrdma_ae_qp_mcqe { #define OCRDMA_ASYNC_RDMA_EVE_CODE 0x14 #define OCRDMA_ASYNC_GRP5_EVE_CODE 0x5 -#define OCRDMA_ASYNC_EVENT_PVID_STATE 0x3 + +enum ocrdma_async_grp5_events { + OCRDMA_ASYNC_EVENT_QOS_VALUE = 0x01, + OCRDMA_ASYNC_EVENT_COS_VALUE = 0x02, + OCRDMA_ASYNC_EVENT_PVID_STATE = 0x03 +}; enum OCRDMA_ASYNC_EVENT_TYPE { OCRDMA_CQ_ERROR = 0x00, @@ -525,8 +534,8 @@ struct ocrdma_mbx_query_config { u32 max_ird_ord_per_qp; u32 max_shared_ird_ord; u32 max_mr; - u32 max_mr_size_lo; u32 max_mr_size_hi; + u32 max_mr_size_lo; u32 max_num_mr_pbl; u32 max_mw; u32 max_fmr; @@ -580,17 +589,26 @@ enum { OCRDMA_FN_MODE_RDMA = 0x4 }; +enum { + OCRDMA_IF_TYPE_MASK = 0xFFFF0000, + OCRDMA_IF_TYPE_SHIFT = 0x10, + OCRDMA_PHY_TYPE_MASK = 0x0000FFFF, + OCRDMA_FUTURE_DETAILS_MASK = 0xFFFF0000, + OCRDMA_FUTURE_DETAILS_SHIFT = 0x10, + OCRDMA_EX_PHY_DETAILS_MASK = 0x0000FFFF, + OCRDMA_FSPEED_SUPP_MASK = 0xFFFF0000, + OCRDMA_FSPEED_SUPP_SHIFT = 0x10, + OCRDMA_ASPEED_SUPP_MASK = 0x0000FFFF +}; + struct ocrdma_get_phy_info_rsp { struct ocrdma_mqe_hdr hdr; struct ocrdma_mbx_rsp rsp; - u16 phy_type; - u16 interface_type; + u32 ityp_ptyp; u32 misc_params; - u16 ext_phy_details; - u16 rsvd; - u16 auto_speeds_supported; - u16 fixed_speeds_supported; + u32 ftrdtl_exphydtl; + u32 fspeed_aspeed; u32 future_use[2]; }; @@ -603,19 +621,34 @@ enum { OCRDMA_PHY_SPEED_40GBPS = 0x20 }; +enum { + OCRDMA_PORT_NUM_MASK = 0x3F, + OCRDMA_PT_MASK = 0xC0, + OCRDMA_PT_SHIFT = 0x6, + OCRDMA_LINK_DUP_MASK = 0x0000FF00, + OCRDMA_LINK_DUP_SHIFT = 0x8, + OCRDMA_PHY_PS_MASK = 0x00FF0000, + OCRDMA_PHY_PS_SHIFT = 0x10, + OCRDMA_PHY_PFLT_MASK = 0xFF000000, + OCRDMA_PHY_PFLT_SHIFT = 0x18, + OCRDMA_QOS_LNKSP_MASK = 0xFFFF0000, + OCRDMA_QOS_LNKSP_SHIFT = 0x10, + OCRDMA_LLST_MASK = 0xFF, + OCRDMA_PLFC_MASK = 0x00000400, + OCRDMA_PLFC_SHIFT = 0x8, + OCRDMA_PLRFC_MASK = 0x00000200, + OCRDMA_PLRFC_SHIFT = 0x8, + OCRDMA_PLTFC_MASK = 0x00000100, + OCRDMA_PLTFC_SHIFT = 0x8 +}; struct ocrdma_get_link_speed_rsp { struct ocrdma_mqe_hdr hdr; struct ocrdma_mbx_rsp rsp; - u8 pt_port_num; - u8 link_duplex; - u8 phys_port_speed; - u8 phys_port_fault; - u16 rsvd1; - u16 qos_lnk_speed; - u8 logical_lnk_status; - u8 rsvd2[3]; + u32 pflt_pps_ld_pnum; + u32 qos_lsp; + u32 res_lls; }; enum { @@ -666,8 +699,7 @@ struct ocrdma_create_cq_cmd { u32 pgsz_pgcnt; u32 ev_cnt_flags; u32 eqn; - u16 cqe_count; - u16 pd_id; + u32 pdid_cqecnt; u32 rsvd6; struct ocrdma_pa pa[OCRDMA_CREATE_CQ_MAX_PAGES]; }; @@ -678,6 +710,10 @@ struct ocrdma_create_cq { }; enum { + OCRDMA_CREATE_CQ_CMD_PDID_SHIFT = 0x10 +}; + +enum { OCRDMA_CREATE_CQ_RSP_CQ_ID_MASK = 0xFFFF }; @@ -1231,7 +1267,6 @@ struct ocrdma_destroy_srq { enum { OCRDMA_ALLOC_PD_ENABLE_DPP = BIT(16), - OCRDMA_PD_MAX_DPP_ENABLED_QP = 8, OCRDMA_DPP_PAGE_SIZE = 4096 }; @@ -1896,12 +1931,62 @@ struct ocrdma_rdma_stats_resp { struct ocrdma_rx_dbg_stats rx_dbg_stats; } __packed; +enum { + OCRDMA_HBA_ATTRB_EPROM_VER_LO_MASK = 0xFF, + OCRDMA_HBA_ATTRB_EPROM_VER_HI_MASK = 0xFF00, + OCRDMA_HBA_ATTRB_EPROM_VER_HI_SHIFT = 0x08, + OCRDMA_HBA_ATTRB_CDBLEN_MASK = 0xFFFF, + OCRDMA_HBA_ATTRB_ASIC_REV_MASK = 0xFF0000, + OCRDMA_HBA_ATTRB_ASIC_REV_SHIFT = 0x10, + OCRDMA_HBA_ATTRB_GUID0_MASK = 0xFF000000, + OCRDMA_HBA_ATTRB_GUID0_SHIFT = 0x18, + OCRDMA_HBA_ATTRB_GUID13_MASK = 0xFF, + OCRDMA_HBA_ATTRB_GUID14_MASK = 0xFF00, + OCRDMA_HBA_ATTRB_GUID14_SHIFT = 0x08, + OCRDMA_HBA_ATTRB_GUID15_MASK = 0xFF0000, + OCRDMA_HBA_ATTRB_GUID15_SHIFT = 0x10, + OCRDMA_HBA_ATTRB_PCNT_MASK = 0xFF000000, + OCRDMA_HBA_ATTRB_PCNT_SHIFT = 0x18, + OCRDMA_HBA_ATTRB_LDTOUT_MASK = 0xFFFF, + OCRDMA_HBA_ATTRB_ISCSI_VER_MASK = 0xFF0000, + OCRDMA_HBA_ATTRB_ISCSI_VER_SHIFT = 0x10, + OCRDMA_HBA_ATTRB_MFUNC_DEV_MASK = 0xFF000000, + OCRDMA_HBA_ATTRB_MFUNC_DEV_SHIFT = 0x18, + OCRDMA_HBA_ATTRB_CV_MASK = 0xFF, + OCRDMA_HBA_ATTRB_HBA_ST_MASK = 0xFF00, + OCRDMA_HBA_ATTRB_HBA_ST_SHIFT = 0x08, + OCRDMA_HBA_ATTRB_MAX_DOMS_MASK = 0xFF0000, + OCRDMA_HBA_ATTRB_MAX_DOMS_SHIFT = 0x10, + OCRDMA_HBA_ATTRB_PTNUM_MASK = 0x3F000000, + OCRDMA_HBA_ATTRB_PTNUM_SHIFT = 0x18, + OCRDMA_HBA_ATTRB_PT_MASK = 0xC0000000, + OCRDMA_HBA_ATTRB_PT_SHIFT = 0x1E, + OCRDMA_HBA_ATTRB_ISCSI_FET_MASK = 0xFF, + OCRDMA_HBA_ATTRB_ASIC_GEN_MASK = 0xFF00, + OCRDMA_HBA_ATTRB_ASIC_GEN_SHIFT = 0x08, + OCRDMA_HBA_ATTRB_PCI_VID_MASK = 0xFFFF, + OCRDMA_HBA_ATTRB_PCI_DID_MASK = 0xFFFF0000, + OCRDMA_HBA_ATTRB_PCI_DID_SHIFT = 0x10, + OCRDMA_HBA_ATTRB_PCI_SVID_MASK = 0xFFFF, + OCRDMA_HBA_ATTRB_PCI_SSID_MASK = 0xFFFF0000, + OCRDMA_HBA_ATTRB_PCI_SSID_SHIFT = 0x10, + OCRDMA_HBA_ATTRB_PCI_BUSNUM_MASK = 0xFF, + OCRDMA_HBA_ATTRB_PCI_DEVNUM_MASK = 0xFF00, + OCRDMA_HBA_ATTRB_PCI_DEVNUM_SHIFT = 0x08, + OCRDMA_HBA_ATTRB_PCI_FUNCNUM_MASK = 0xFF0000, + OCRDMA_HBA_ATTRB_PCI_FUNCNUM_SHIFT = 0x10, + OCRDMA_HBA_ATTRB_IF_TYPE_MASK = 0xFF000000, + OCRDMA_HBA_ATTRB_IF_TYPE_SHIFT = 0x18, + OCRDMA_HBA_ATTRB_NETFIL_MASK =0xFF +}; struct mgmt_hba_attribs { u8 flashrom_version_string[32]; u8 manufacturer_name[32]; u32 supported_modes; - u32 rsvd0[3]; + u32 rsvd_eprom_verhi_verlo; + u32 mbx_ds_ver; + u32 epfw_ds_ver; u8 ncsi_ver_string[12]; u32 default_extended_timeout; u8 controller_model_number[32]; @@ -1914,34 +1999,26 @@ struct mgmt_hba_attribs { u8 driver_version_string[32]; u8 fw_on_flash_version_string[32]; u32 functionalities_supported; - u16 max_cdblength; - u8 asic_revision; - u8 generational_guid[16]; - u8 hba_port_count; - u16 default_link_down_timeout; - u8 iscsi_ver_min_max; - u8 multifunction_device; - u8 cache_valid; - u8 hba_status; - u8 max_domains_supported; - u8 phy_port; + u32 guid0_asicrev_cdblen; + u8 generational_guid[12]; + u32 portcnt_guid15; + u32 mfuncdev_iscsi_ldtout; + u32 ptpnum_maxdoms_hbast_cv; u32 firmware_post_status; u32 hba_mtu[8]; - u32 rsvd1[4]; + u32 res_asicgen_iscsi_feaures; + u32 rsvd1[3]; }; struct mgmt_controller_attrib { struct mgmt_hba_attribs hba_attribs; - u16 pci_vendor_id; - u16 pci_device_id; - u16 pci_sub_vendor_id; - u16 pci_sub_system_id; - u8 pci_bus_number; - u8 pci_device_number; - u8 pci_function_number; - u8 interface_type; - u64 unique_identifier; - u32 rsvd0[5]; + u32 pci_did_vid; + u32 pci_ssid_svid; + u32 ityp_fnum_devnum_bnum; + u32 uid_hi; + u32 uid_lo; + u32 res_nnetfil; + u32 rsvd0[4]; }; struct ocrdma_get_ctrl_attribs_rsp { @@ -1949,5 +2026,79 @@ struct ocrdma_get_ctrl_attribs_rsp { struct mgmt_controller_attrib ctrl_attribs; }; +#define OCRDMA_SUBSYS_DCBX 0x10 + +enum OCRDMA_DCBX_OPCODE { + OCRDMA_CMD_GET_DCBX_CONFIG = 0x01 +}; + +enum OCRDMA_DCBX_PARAM_TYPE { + OCRDMA_PARAMETER_TYPE_ADMIN = 0x00, + OCRDMA_PARAMETER_TYPE_OPER = 0x01, + OCRDMA_PARAMETER_TYPE_PEER = 0x02 +}; + +enum OCRDMA_DCBX_APP_PROTO { + OCRDMA_APP_PROTO_ROCE = 0x8915 +}; + +enum OCRDMA_DCBX_PROTO { + OCRDMA_PROTO_SELECT_L2 = 0x00, + OCRDMA_PROTO_SELECT_L4 = 0x01 +}; + +enum OCRDMA_DCBX_APP_PARAM { + OCRDMA_APP_PARAM_APP_PROTO_MASK = 0xFFFF, + OCRDMA_APP_PARAM_PROTO_SEL_MASK = 0xFF, + OCRDMA_APP_PARAM_PROTO_SEL_SHIFT = 0x10, + OCRDMA_APP_PARAM_VALID_MASK = 0xFF, + OCRDMA_APP_PARAM_VALID_SHIFT = 0x18 +}; + +enum OCRDMA_DCBX_STATE_FLAGS { + OCRDMA_STATE_FLAG_ENABLED = 0x01, + OCRDMA_STATE_FLAG_ADDVERTISED = 0x02, + OCRDMA_STATE_FLAG_WILLING = 0x04, + OCRDMA_STATE_FLAG_SYNC = 0x08, + OCRDMA_STATE_FLAG_UNSUPPORTED = 0x40000000, + OCRDMA_STATE_FLAG_NEG_FAILD = 0x80000000 +}; + +enum OCRDMA_TCV_AEV_OPV_ST { + OCRDMA_DCBX_TC_SUPPORT_MASK = 0xFF, + OCRDMA_DCBX_TC_SUPPORT_SHIFT = 0x18, + OCRDMA_DCBX_APP_ENTRY_SHIFT = 0x10, + OCRDMA_DCBX_OP_PARAM_SHIFT = 0x08, + OCRDMA_DCBX_STATE_MASK = 0xFF +}; + +struct ocrdma_app_parameter { + u32 valid_proto_app; + u32 oui; + u32 app_prio[2]; +}; + +struct ocrdma_dcbx_cfg { + u32 tcv_aev_opv_st; + u32 tc_state; + u32 pfc_state; + u32 qcn_state; + u32 appl_state; + u32 ll_state; + u32 tc_bw[2]; + u32 tc_prio[8]; + u32 pfc_prio[2]; + struct ocrdma_app_parameter app_param[15]; +}; + +struct ocrdma_get_dcbx_cfg_req { + struct ocrdma_mbx_hdr hdr; + u32 param_type; +} __packed; + +struct ocrdma_get_dcbx_cfg_rsp { + struct ocrdma_mbx_rsp hdr; + struct ocrdma_dcbx_cfg cfg; +} __packed; #endif /* __OCRDMA_SLI_H__ */ diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c b/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c index edf6211d84b8..acb434d16903 100644 --- a/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c +++ b/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c @@ -69,11 +69,11 @@ int ocrdma_query_device(struct ib_device *ibdev, struct ib_device_attr *attr) memcpy(&attr->fw_ver, &dev->attr.fw_ver[0], min(sizeof(dev->attr.fw_ver), sizeof(attr->fw_ver))); ocrdma_get_guid(dev, (u8 *)&attr->sys_image_guid); - attr->max_mr_size = ~0ull; + attr->max_mr_size = dev->attr.max_mr_size; attr->page_size_cap = 0xffff000; attr->vendor_id = dev->nic_info.pdev->vendor; attr->vendor_part_id = dev->nic_info.pdev->device; - attr->hw_ver = 0; + attr->hw_ver = dev->asic_id; attr->max_qp = dev->attr.max_qp; attr->max_ah = OCRDMA_MAX_AH; attr->max_qp_wr = dev->attr.max_wqe; @@ -268,7 +268,8 @@ static struct ocrdma_pd *_ocrdma_alloc_pd(struct ocrdma_dev *dev, pd->dpp_enabled = ocrdma_get_asic_type(dev) == OCRDMA_ASIC_GEN_SKH_R; pd->num_dpp_qp = - pd->dpp_enabled ? OCRDMA_PD_MAX_DPP_ENABLED_QP : 0; + pd->dpp_enabled ? (dev->nic_info.db_page_size / + dev->attr.wqe_size) : 0; } retry: @@ -328,7 +329,10 @@ static int ocrdma_dealloc_ucontext_pd(struct ocrdma_ucontext *uctx) struct ocrdma_pd *pd = uctx->cntxt_pd; struct ocrdma_dev *dev = get_ocrdma_dev(pd->ibpd.device); - BUG_ON(uctx->pd_in_use); + if (uctx->pd_in_use) { + pr_err("%s(%d) Freeing in use pdid=0x%x.\n", + __func__, dev->id, pd->id); + } uctx->cntxt_pd = NULL; status = _ocrdma_dealloc_pd(dev, pd); return status; @@ -843,6 +847,13 @@ int ocrdma_dereg_mr(struct ib_mr *ib_mr) if (mr->umem) ib_umem_release(mr->umem); kfree(mr); + + /* Don't stop cleanup, in case FW is unresponsive */ + if (dev->mqe_ctx.fw_error_state) { + status = 0; + pr_err("%s(%d) fw not responding.\n", + __func__, dev->id); + } return status; } @@ -2054,6 +2065,13 @@ int ocrdma_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr, } while (wr) { + if (qp->qp_type == IB_QPT_UD && + (wr->opcode != IB_WR_SEND && + wr->opcode != IB_WR_SEND_WITH_IMM)) { + *bad_wr = wr; + status = -EINVAL; + break; + } if (ocrdma_hwq_free_cnt(&qp->sq) == 0 || wr->num_sge > qp->sq.max_sges) { *bad_wr = wr; @@ -2488,6 +2506,11 @@ static bool ocrdma_poll_err_scqe(struct ocrdma_qp *qp, *stop = true; expand = false; } + } else if (is_hw_sq_empty(qp)) { + /* Do nothing */ + expand = false; + *polled = false; + *stop = false; } else { *polled = true; expand = ocrdma_update_err_scqe(ibwc, cqe, qp, status); @@ -2593,6 +2616,11 @@ static bool ocrdma_poll_err_rcqe(struct ocrdma_qp *qp, struct ocrdma_cqe *cqe, *stop = true; expand = false; } + } else if (is_hw_rq_empty(qp)) { + /* Do nothing */ + expand = false; + *polled = false; + *stop = false; } else { *polled = true; expand = ocrdma_update_err_rcqe(ibwc, cqe, qp, status); diff --git a/drivers/infiniband/hw/qib/qib_init.c b/drivers/infiniband/hw/qib/qib_init.c index 8d3c78ddc906..729da39c49ed 100644 --- a/drivers/infiniband/hw/qib/qib_init.c +++ b/drivers/infiniband/hw/qib/qib_init.c @@ -1222,7 +1222,7 @@ static int qib_init_one(struct pci_dev *, const struct pci_device_id *); #define DRIVER_LOAD_MSG "Intel " QIB_DRV_NAME " loaded: " #define PFX QIB_DRV_NAME ": " -static DEFINE_PCI_DEVICE_TABLE(qib_pci_tbl) = { +static const struct pci_device_id qib_pci_tbl[] = { { PCI_DEVICE(PCI_VENDOR_ID_PATHSCALE, PCI_DEVICE_ID_QLOGIC_IB_6120) }, { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_IB_7220) }, { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_IB_7322) }, diff --git a/drivers/infiniband/hw/qib/qib_mad.c b/drivers/infiniband/hw/qib/qib_mad.c index 22c720e5740d..636be117b578 100644 --- a/drivers/infiniband/hw/qib/qib_mad.c +++ b/drivers/infiniband/hw/qib/qib_mad.c @@ -2476,7 +2476,7 @@ int qib_create_agents(struct qib_ibdev *dev) ibp = &dd->pport[p].ibport_data; agent = ib_register_mad_agent(&dev->ibdev, p + 1, IB_QPT_SMI, NULL, 0, send_handler, - NULL, NULL); + NULL, NULL, 0); if (IS_ERR(agent)) { ret = PTR_ERR(agent); goto err; diff --git a/drivers/infiniband/hw/usnic/usnic_ib_main.c b/drivers/infiniband/hw/usnic/usnic_ib_main.c index fb6d026f92cd..0d0f98695d53 100644 --- a/drivers/infiniband/hw/usnic/usnic_ib_main.c +++ b/drivers/infiniband/hw/usnic/usnic_ib_main.c @@ -490,7 +490,7 @@ out: /* Start of PCI section */ -static DEFINE_PCI_DEVICE_TABLE(usnic_ib_pci_ids) = { +static const struct pci_device_id usnic_ib_pci_ids[] = { {PCI_DEVICE(PCI_VENDOR_ID_CISCO, PCI_DEVICE_ID_CISCO_VIC_USPACE_NIC)}, {0,} }; diff --git a/drivers/infiniband/ulp/ipoib/ipoib.h b/drivers/infiniband/ulp/ipoib/ipoib.h index c639f90cfda4..3edce617c31b 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib.h +++ b/drivers/infiniband/ulp/ipoib/ipoib.h @@ -86,7 +86,6 @@ enum { IPOIB_FLAG_INITIALIZED = 1, IPOIB_FLAG_ADMIN_UP = 2, IPOIB_PKEY_ASSIGNED = 3, - IPOIB_PKEY_STOP = 4, IPOIB_FLAG_SUBINTERFACE = 5, IPOIB_MCAST_RUN = 6, IPOIB_STOP_REAPER = 7, @@ -312,7 +311,6 @@ struct ipoib_dev_priv { struct list_head multicast_list; struct rb_root multicast_tree; - struct delayed_work pkey_poll_task; struct delayed_work mcast_task; struct work_struct carrier_on_task; struct work_struct flush_light; @@ -473,10 +471,11 @@ void ipoib_ib_dev_flush_heavy(struct work_struct *work); void ipoib_pkey_event(struct work_struct *work); void ipoib_ib_dev_cleanup(struct net_device *dev); -int ipoib_ib_dev_open(struct net_device *dev); +int ipoib_ib_dev_open(struct net_device *dev, int flush); int ipoib_ib_dev_up(struct net_device *dev); int ipoib_ib_dev_down(struct net_device *dev, int flush); int ipoib_ib_dev_stop(struct net_device *dev, int flush); +void ipoib_pkey_dev_check_presence(struct net_device *dev); int ipoib_dev_init(struct net_device *dev, struct ib_device *ca, int port); void ipoib_dev_cleanup(struct net_device *dev); @@ -532,8 +531,7 @@ int ipoib_set_mode(struct net_device *dev, const char *buf); void ipoib_setup(struct net_device *dev); -void ipoib_pkey_poll(struct work_struct *work); -int ipoib_pkey_dev_delay_open(struct net_device *dev); +void ipoib_pkey_open(struct ipoib_dev_priv *priv); void ipoib_drain_cq(struct net_device *dev); void ipoib_set_ethtool_ops(struct net_device *dev); diff --git a/drivers/infiniband/ulp/ipoib/ipoib_fs.c b/drivers/infiniband/ulp/ipoib/ipoib_fs.c index 50061854616e..6bd5740e2691 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib_fs.c +++ b/drivers/infiniband/ulp/ipoib/ipoib_fs.c @@ -281,10 +281,8 @@ void ipoib_delete_debug_files(struct net_device *dev) { struct ipoib_dev_priv *priv = netdev_priv(dev); - if (priv->mcg_dentry) - debugfs_remove(priv->mcg_dentry); - if (priv->path_dentry) - debugfs_remove(priv->path_dentry); + debugfs_remove(priv->mcg_dentry); + debugfs_remove(priv->path_dentry); } int ipoib_register_debugfs(void) diff --git a/drivers/infiniband/ulp/ipoib/ipoib_ib.c b/drivers/infiniband/ulp/ipoib/ipoib_ib.c index 6a7003ddb0be..72626c348174 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib_ib.c +++ b/drivers/infiniband/ulp/ipoib/ipoib_ib.c @@ -664,17 +664,18 @@ static void ipoib_ib_tx_timer_func(unsigned long ctx) drain_tx_cq((struct net_device *)ctx); } -int ipoib_ib_dev_open(struct net_device *dev) +int ipoib_ib_dev_open(struct net_device *dev, int flush) { struct ipoib_dev_priv *priv = netdev_priv(dev); int ret; - if (ib_find_pkey(priv->ca, priv->port, priv->pkey, &priv->pkey_index)) { - ipoib_warn(priv, "P_Key 0x%04x not found\n", priv->pkey); - clear_bit(IPOIB_PKEY_ASSIGNED, &priv->flags); + ipoib_pkey_dev_check_presence(dev); + + if (!test_bit(IPOIB_PKEY_ASSIGNED, &priv->flags)) { + ipoib_warn(priv, "P_Key 0x%04x is %s\n", priv->pkey, + (!(priv->pkey & 0x7fff) ? "Invalid" : "not found")); return -1; } - set_bit(IPOIB_PKEY_ASSIGNED, &priv->flags); ret = ipoib_init_qp(dev); if (ret) { @@ -705,16 +706,17 @@ int ipoib_ib_dev_open(struct net_device *dev) dev_stop: if (!test_and_set_bit(IPOIB_FLAG_INITIALIZED, &priv->flags)) napi_enable(&priv->napi); - ipoib_ib_dev_stop(dev, 1); + ipoib_ib_dev_stop(dev, flush); return -1; } -static void ipoib_pkey_dev_check_presence(struct net_device *dev) +void ipoib_pkey_dev_check_presence(struct net_device *dev) { struct ipoib_dev_priv *priv = netdev_priv(dev); - u16 pkey_index = 0; - if (ib_find_pkey(priv->ca, priv->port, priv->pkey, &pkey_index)) + if (!(priv->pkey & 0x7fff) || + ib_find_pkey(priv->ca, priv->port, priv->pkey, + &priv->pkey_index)) clear_bit(IPOIB_PKEY_ASSIGNED, &priv->flags); else set_bit(IPOIB_PKEY_ASSIGNED, &priv->flags); @@ -745,14 +747,6 @@ int ipoib_ib_dev_down(struct net_device *dev, int flush) clear_bit(IPOIB_FLAG_OPER_UP, &priv->flags); netif_carrier_off(dev); - /* Shutdown the P_Key thread if still active */ - if (!test_bit(IPOIB_PKEY_ASSIGNED, &priv->flags)) { - mutex_lock(&pkey_mutex); - set_bit(IPOIB_PKEY_STOP, &priv->flags); - cancel_delayed_work_sync(&priv->pkey_poll_task); - mutex_unlock(&pkey_mutex); - } - ipoib_mcast_stop_thread(dev, flush); ipoib_mcast_dev_flush(dev); @@ -924,7 +918,7 @@ int ipoib_ib_dev_init(struct net_device *dev, struct ib_device *ca, int port) (unsigned long) dev); if (dev->flags & IFF_UP) { - if (ipoib_ib_dev_open(dev)) { + if (ipoib_ib_dev_open(dev, 1)) { ipoib_transport_dev_cleanup(dev); return -ENODEV; } @@ -966,13 +960,27 @@ static inline int update_parent_pkey(struct ipoib_dev_priv *priv) return 1; } +/* + * returns 0 if pkey value was found in a different slot. + */ +static inline int update_child_pkey(struct ipoib_dev_priv *priv) +{ + u16 old_index = priv->pkey_index; + + priv->pkey_index = 0; + ipoib_pkey_dev_check_presence(priv->dev); + + if (test_bit(IPOIB_PKEY_ASSIGNED, &priv->flags) && + (old_index == priv->pkey_index)) + return 1; + return 0; +} static void __ipoib_ib_dev_flush(struct ipoib_dev_priv *priv, enum ipoib_flush_level level) { struct ipoib_dev_priv *cpriv; struct net_device *dev = priv->dev; - u16 new_index; int result; down_read(&priv->vlan_rwsem); @@ -986,16 +994,20 @@ static void __ipoib_ib_dev_flush(struct ipoib_dev_priv *priv, up_read(&priv->vlan_rwsem); - if (!test_bit(IPOIB_FLAG_INITIALIZED, &priv->flags)) { - /* for non-child devices must check/update the pkey value here */ - if (level == IPOIB_FLUSH_HEAVY && - !test_bit(IPOIB_FLAG_SUBINTERFACE, &priv->flags)) - update_parent_pkey(priv); + if (!test_bit(IPOIB_FLAG_INITIALIZED, &priv->flags) && + level != IPOIB_FLUSH_HEAVY) { ipoib_dbg(priv, "Not flushing - IPOIB_FLAG_INITIALIZED not set.\n"); return; } if (!test_bit(IPOIB_FLAG_ADMIN_UP, &priv->flags)) { + /* interface is down. update pkey and leave. */ + if (level == IPOIB_FLUSH_HEAVY) { + if (!test_bit(IPOIB_FLAG_SUBINTERFACE, &priv->flags)) + update_parent_pkey(priv); + else + update_child_pkey(priv); + } ipoib_dbg(priv, "Not flushing - IPOIB_FLAG_ADMIN_UP not set.\n"); return; } @@ -1005,20 +1017,13 @@ static void __ipoib_ib_dev_flush(struct ipoib_dev_priv *priv, * (parent) devices should always takes what present in pkey index 0 */ if (test_bit(IPOIB_FLAG_SUBINTERFACE, &priv->flags)) { - if (ib_find_pkey(priv->ca, priv->port, priv->pkey, &new_index)) { - clear_bit(IPOIB_PKEY_ASSIGNED, &priv->flags); - ipoib_ib_dev_down(dev, 0); - ipoib_ib_dev_stop(dev, 0); - if (ipoib_pkey_dev_delay_open(dev)) - return; - } - /* restart QP only if P_Key index is changed */ - if (test_and_set_bit(IPOIB_PKEY_ASSIGNED, &priv->flags) && - new_index == priv->pkey_index) { + result = update_child_pkey(priv); + if (result) { + /* restart QP only if P_Key index is changed */ ipoib_dbg(priv, "Not flushing - P_Key index not changed.\n"); return; } - priv->pkey_index = new_index; + } else { result = update_parent_pkey(priv); /* restart QP only if P_Key value changed */ @@ -1038,8 +1043,12 @@ static void __ipoib_ib_dev_flush(struct ipoib_dev_priv *priv, ipoib_ib_dev_down(dev, 0); if (level == IPOIB_FLUSH_HEAVY) { - ipoib_ib_dev_stop(dev, 0); - ipoib_ib_dev_open(dev); + if (test_bit(IPOIB_FLAG_INITIALIZED, &priv->flags)) + ipoib_ib_dev_stop(dev, 0); + if (ipoib_ib_dev_open(dev, 0) != 0) + return; + if (netif_queue_stopped(dev)) + netif_start_queue(dev); } /* @@ -1094,54 +1103,4 @@ void ipoib_ib_dev_cleanup(struct net_device *dev) ipoib_transport_dev_cleanup(dev); } -/* - * Delayed P_Key Assigment Interim Support - * - * The following is initial implementation of delayed P_Key assigment - * mechanism. It is using the same approach implemented for the multicast - * group join. The single goal of this implementation is to quickly address - * Bug #2507. This implementation will probably be removed when the P_Key - * change async notification is available. - */ - -void ipoib_pkey_poll(struct work_struct *work) -{ - struct ipoib_dev_priv *priv = - container_of(work, struct ipoib_dev_priv, pkey_poll_task.work); - struct net_device *dev = priv->dev; - - ipoib_pkey_dev_check_presence(dev); - - if (test_bit(IPOIB_PKEY_ASSIGNED, &priv->flags)) - ipoib_open(dev); - else { - mutex_lock(&pkey_mutex); - if (!test_bit(IPOIB_PKEY_STOP, &priv->flags)) - queue_delayed_work(ipoib_workqueue, - &priv->pkey_poll_task, - HZ); - mutex_unlock(&pkey_mutex); - } -} - -int ipoib_pkey_dev_delay_open(struct net_device *dev) -{ - struct ipoib_dev_priv *priv = netdev_priv(dev); - - /* Look for the interface pkey value in the IB Port P_Key table and */ - /* set the interface pkey assigment flag */ - ipoib_pkey_dev_check_presence(dev); - /* P_Key value not assigned yet - start polling */ - if (!test_bit(IPOIB_PKEY_ASSIGNED, &priv->flags)) { - mutex_lock(&pkey_mutex); - clear_bit(IPOIB_PKEY_STOP, &priv->flags); - queue_delayed_work(ipoib_workqueue, - &priv->pkey_poll_task, - HZ); - mutex_unlock(&pkey_mutex); - return 1; - } - - return 0; -} diff --git a/drivers/infiniband/ulp/ipoib/ipoib_main.c b/drivers/infiniband/ulp/ipoib/ipoib_main.c index 4e675f4fecc9..1310acf6bf92 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib_main.c +++ b/drivers/infiniband/ulp/ipoib/ipoib_main.c @@ -108,11 +108,11 @@ int ipoib_open(struct net_device *dev) set_bit(IPOIB_FLAG_ADMIN_UP, &priv->flags); - if (ipoib_pkey_dev_delay_open(dev)) - return 0; - - if (ipoib_ib_dev_open(dev)) + if (ipoib_ib_dev_open(dev, 1)) { + if (!test_bit(IPOIB_PKEY_ASSIGNED, &priv->flags)) + return 0; goto err_disable; + } if (ipoib_ib_dev_up(dev)) goto err_stop; @@ -1379,7 +1379,6 @@ void ipoib_setup(struct net_device *dev) INIT_LIST_HEAD(&priv->dead_ahs); INIT_LIST_HEAD(&priv->multicast_list); - INIT_DELAYED_WORK(&priv->pkey_poll_task, ipoib_pkey_poll); INIT_DELAYED_WORK(&priv->mcast_task, ipoib_mcast_join_task); INIT_WORK(&priv->carrier_on_task, ipoib_mcast_carrier_on_task); INIT_WORK(&priv->flush_light, ipoib_ib_dev_flush_light); diff --git a/drivers/infiniband/ulp/iser/iscsi_iser.c b/drivers/infiniband/ulp/iser/iscsi_iser.c index eb7973957a6e..61ee91d88380 100644 --- a/drivers/infiniband/ulp/iser/iscsi_iser.c +++ b/drivers/infiniband/ulp/iser/iscsi_iser.c @@ -596,20 +596,28 @@ iscsi_iser_ep_connect(struct Scsi_Host *shost, struct sockaddr *dst_addr, struct iser_conn *ib_conn; struct iscsi_endpoint *ep; - ep = iscsi_create_endpoint(sizeof(*ib_conn)); + ep = iscsi_create_endpoint(0); if (!ep) return ERR_PTR(-ENOMEM); - ib_conn = ep->dd_data; + ib_conn = kzalloc(sizeof(*ib_conn), GFP_KERNEL); + if (!ib_conn) { + err = -ENOMEM; + goto failure; + } + + ep->dd_data = ib_conn; ib_conn->ep = ep; iser_conn_init(ib_conn); - err = iser_connect(ib_conn, NULL, (struct sockaddr_in *)dst_addr, - non_blocking); + err = iser_connect(ib_conn, NULL, dst_addr, non_blocking); if (err) - return ERR_PTR(err); + goto failure; return ep; +failure: + iscsi_destroy_endpoint(ep); + return ERR_PTR(err); } static int @@ -619,15 +627,16 @@ iscsi_iser_ep_poll(struct iscsi_endpoint *ep, int timeout_ms) int rc; ib_conn = ep->dd_data; - rc = wait_event_interruptible_timeout(ib_conn->wait, - ib_conn->state == ISER_CONN_UP, - msecs_to_jiffies(timeout_ms)); - + rc = wait_for_completion_interruptible_timeout(&ib_conn->up_completion, + msecs_to_jiffies(timeout_ms)); /* if conn establishment failed, return error code to iscsi */ - if (!rc && - (ib_conn->state == ISER_CONN_TERMINATING || - ib_conn->state == ISER_CONN_DOWN)) - rc = -1; + if (rc == 0) { + mutex_lock(&ib_conn->state_mutex); + if (ib_conn->state == ISER_CONN_TERMINATING || + ib_conn->state == ISER_CONN_DOWN) + rc = -1; + mutex_unlock(&ib_conn->state_mutex); + } iser_info("ib conn %p rc = %d\n", ib_conn, rc); @@ -646,19 +655,25 @@ iscsi_iser_ep_disconnect(struct iscsi_endpoint *ep) ib_conn = ep->dd_data; iser_info("ep %p ib conn %p state %d\n", ep, ib_conn, ib_conn->state); + mutex_lock(&ib_conn->state_mutex); iser_conn_terminate(ib_conn); /* - * if iser_conn and iscsi_conn are bound, we must wait iscsi_conn_stop - * call and ISER_CONN_DOWN state before freeing the iser resources. - * otherwise we are safe to free resources immediately. + * if iser_conn and iscsi_conn are bound, we must wait for + * iscsi_conn_stop and flush errors completion before freeing + * the iser resources. Otherwise we are safe to free resources + * immediately. */ if (ib_conn->iscsi_conn) { INIT_WORK(&ib_conn->release_work, iser_release_work); queue_work(release_wq, &ib_conn->release_work); + mutex_unlock(&ib_conn->state_mutex); } else { + ib_conn->state = ISER_CONN_DOWN; + mutex_unlock(&ib_conn->state_mutex); iser_conn_release(ib_conn); } + iscsi_destroy_endpoint(ep); } static umode_t iser_attr_is_visible(int param_type, int param) diff --git a/drivers/infiniband/ulp/iser/iscsi_iser.h b/drivers/infiniband/ulp/iser/iscsi_iser.h index 97cd385bf7f7..c877dad381cb 100644 --- a/drivers/infiniband/ulp/iser/iscsi_iser.h +++ b/drivers/infiniband/ulp/iser/iscsi_iser.h @@ -326,7 +326,6 @@ struct iser_conn { struct iser_device *device; /* device context */ struct rdma_cm_id *cma_id; /* CMA ID */ struct ib_qp *qp; /* QP */ - wait_queue_head_t wait; /* waitq for conn/disconn */ unsigned qp_max_recv_dtos; /* num of rx buffers */ unsigned qp_max_recv_dtos_mask; /* above minus 1 */ unsigned min_posted_rx; /* qp_max_recv_dtos >> 2 */ @@ -335,6 +334,9 @@ struct iser_conn { char name[ISER_OBJECT_NAME_SIZE]; struct work_struct release_work; struct completion stop_completion; + struct mutex state_mutex; + struct completion flush_completion; + struct completion up_completion; struct list_head conn_list; /* entry in ig conn list */ char *login_buf; @@ -448,8 +450,8 @@ int iser_reg_rdma_mem_fastreg(struct iscsi_iser_task *task, enum iser_data_dir cmd_dir); int iser_connect(struct iser_conn *ib_conn, - struct sockaddr_in *src_addr, - struct sockaddr_in *dst_addr, + struct sockaddr *src_addr, + struct sockaddr *dst_addr, int non_blocking); int iser_reg_page_vec(struct iser_conn *ib_conn, diff --git a/drivers/infiniband/ulp/iser/iser_verbs.c b/drivers/infiniband/ulp/iser/iser_verbs.c index ea01075f9f9b..3ef167f97d6f 100644 --- a/drivers/infiniband/ulp/iser/iser_verbs.c +++ b/drivers/infiniband/ulp/iser/iser_verbs.c @@ -491,10 +491,9 @@ out_err: } /** - * releases the QP objects, returns 0 on success, - * -1 on failure + * releases the QP object */ -static int iser_free_ib_conn_res(struct iser_conn *ib_conn) +static void iser_free_ib_conn_res(struct iser_conn *ib_conn) { int cq_index; BUG_ON(ib_conn == NULL); @@ -513,8 +512,6 @@ static int iser_free_ib_conn_res(struct iser_conn *ib_conn) } ib_conn->qp = NULL; - - return 0; } /** @@ -568,31 +565,40 @@ static void iser_device_try_release(struct iser_device *device) mutex_unlock(&ig.device_list_mutex); } +/** + * Called with state mutex held + **/ static int iser_conn_state_comp_exch(struct iser_conn *ib_conn, enum iser_ib_conn_state comp, enum iser_ib_conn_state exch) { int ret; - spin_lock_bh(&ib_conn->lock); if ((ret = (ib_conn->state == comp))) ib_conn->state = exch; - spin_unlock_bh(&ib_conn->lock); return ret; } void iser_release_work(struct work_struct *work) { struct iser_conn *ib_conn; + int rc; ib_conn = container_of(work, struct iser_conn, release_work); /* wait for .conn_stop callback */ - wait_for_completion(&ib_conn->stop_completion); + rc = wait_for_completion_timeout(&ib_conn->stop_completion, 30 * HZ); + WARN_ON(rc == 0); /* wait for the qp`s post send and post receive buffers to empty */ - wait_event_interruptible(ib_conn->wait, - ib_conn->state == ISER_CONN_DOWN); + rc = wait_for_completion_timeout(&ib_conn->flush_completion, 30 * HZ); + WARN_ON(rc == 0); + + ib_conn->state = ISER_CONN_DOWN; + + mutex_lock(&ib_conn->state_mutex); + ib_conn->state = ISER_CONN_DOWN; + mutex_unlock(&ib_conn->state_mutex); iser_conn_release(ib_conn); } @@ -604,23 +610,27 @@ void iser_conn_release(struct iser_conn *ib_conn) { struct iser_device *device = ib_conn->device; - BUG_ON(ib_conn->state == ISER_CONN_UP); - mutex_lock(&ig.connlist_mutex); list_del(&ib_conn->conn_list); mutex_unlock(&ig.connlist_mutex); + + mutex_lock(&ib_conn->state_mutex); + BUG_ON(ib_conn->state != ISER_CONN_DOWN); + iser_free_rx_descriptors(ib_conn); iser_free_ib_conn_res(ib_conn); ib_conn->device = NULL; /* on EVENT_ADDR_ERROR there's no device yet for this conn */ if (device != NULL) iser_device_try_release(device); + mutex_unlock(&ib_conn->state_mutex); + /* if cma handler context, the caller actually destroy the id */ if (ib_conn->cma_id != NULL) { rdma_destroy_id(ib_conn->cma_id); ib_conn->cma_id = NULL; } - iscsi_destroy_endpoint(ib_conn->ep); + kfree(ib_conn); } /** @@ -642,22 +652,31 @@ void iser_conn_terminate(struct iser_conn *ib_conn) ib_conn,err); } +/** + * Called with state mutex held + **/ static void iser_connect_error(struct rdma_cm_id *cma_id) { struct iser_conn *ib_conn; ib_conn = (struct iser_conn *)cma_id->context; - ib_conn->state = ISER_CONN_DOWN; - wake_up_interruptible(&ib_conn->wait); } +/** + * Called with state mutex held + **/ static void iser_addr_handler(struct rdma_cm_id *cma_id) { struct iser_device *device; struct iser_conn *ib_conn; int ret; + ib_conn = (struct iser_conn *)cma_id->context; + if (ib_conn->state != ISER_CONN_PENDING) + /* bailout */ + return; + device = iser_device_find_by_ib_device(cma_id); if (!device) { iser_err("device lookup/creation failed\n"); @@ -665,7 +684,6 @@ static void iser_addr_handler(struct rdma_cm_id *cma_id) return; } - ib_conn = (struct iser_conn *)cma_id->context; ib_conn->device = device; /* connection T10-PI support */ @@ -689,18 +707,27 @@ static void iser_addr_handler(struct rdma_cm_id *cma_id) } } +/** + * Called with state mutex held + **/ static void iser_route_handler(struct rdma_cm_id *cma_id) { struct rdma_conn_param conn_param; int ret; struct iser_cm_hdr req_hdr; + struct iser_conn *ib_conn = (struct iser_conn *)cma_id->context; + struct iser_device *device = ib_conn->device; + + if (ib_conn->state != ISER_CONN_PENDING) + /* bailout */ + return; ret = iser_create_ib_conn_res((struct iser_conn *)cma_id->context); if (ret) goto failure; memset(&conn_param, 0, sizeof conn_param); - conn_param.responder_resources = 4; + conn_param.responder_resources = device->dev_attr.max_qp_rd_atom; conn_param.initiator_depth = 1; conn_param.retry_count = 7; conn_param.rnr_retry_count = 6; @@ -728,12 +755,16 @@ static void iser_connected_handler(struct rdma_cm_id *cma_id) struct ib_qp_attr attr; struct ib_qp_init_attr init_attr; + ib_conn = (struct iser_conn *)cma_id->context; + if (ib_conn->state != ISER_CONN_PENDING) + /* bailout */ + return; + (void)ib_query_qp(cma_id->qp, &attr, ~0, &init_attr); iser_info("remote qpn:%x my qpn:%x\n", attr.dest_qp_num, cma_id->qp->qp_num); - ib_conn = (struct iser_conn *)cma_id->context; - if (iser_conn_state_comp_exch(ib_conn, ISER_CONN_PENDING, ISER_CONN_UP)) - wake_up_interruptible(&ib_conn->wait); + ib_conn->state = ISER_CONN_UP; + complete(&ib_conn->up_completion); } static void iser_disconnected_handler(struct rdma_cm_id *cma_id) @@ -752,19 +783,25 @@ static void iser_disconnected_handler(struct rdma_cm_id *cma_id) iser_err("iscsi_iser connection isn't bound\n"); } - /* Complete the termination process if no posts are pending */ + /* Complete the termination process if no posts are pending. This code + * block also exists in iser_handle_comp_error(), but it is needed here + * for cases of no flushes at all, e.g. discovery over rdma. + */ if (ib_conn->post_recv_buf_count == 0 && (atomic_read(&ib_conn->post_send_buf_count) == 0)) { - ib_conn->state = ISER_CONN_DOWN; - wake_up_interruptible(&ib_conn->wait); + complete(&ib_conn->flush_completion); } } static int iser_cma_handler(struct rdma_cm_id *cma_id, struct rdma_cm_event *event) { + struct iser_conn *ib_conn; + + ib_conn = (struct iser_conn *)cma_id->context; iser_info("event %d status %d conn %p id %p\n", event->event, event->status, cma_id->context, cma_id); + mutex_lock(&ib_conn->state_mutex); switch (event->event) { case RDMA_CM_EVENT_ADDR_RESOLVED: iser_addr_handler(cma_id); @@ -785,24 +822,28 @@ static int iser_cma_handler(struct rdma_cm_id *cma_id, struct rdma_cm_event *eve case RDMA_CM_EVENT_DISCONNECTED: case RDMA_CM_EVENT_DEVICE_REMOVAL: case RDMA_CM_EVENT_ADDR_CHANGE: + case RDMA_CM_EVENT_TIMEWAIT_EXIT: iser_disconnected_handler(cma_id); break; default: iser_err("Unexpected RDMA CM event (%d)\n", event->event); break; } + mutex_unlock(&ib_conn->state_mutex); return 0; } void iser_conn_init(struct iser_conn *ib_conn) { ib_conn->state = ISER_CONN_INIT; - init_waitqueue_head(&ib_conn->wait); ib_conn->post_recv_buf_count = 0; atomic_set(&ib_conn->post_send_buf_count, 0); init_completion(&ib_conn->stop_completion); + init_completion(&ib_conn->flush_completion); + init_completion(&ib_conn->up_completion); INIT_LIST_HEAD(&ib_conn->conn_list); spin_lock_init(&ib_conn->lock); + mutex_init(&ib_conn->state_mutex); } /** @@ -810,22 +851,21 @@ void iser_conn_init(struct iser_conn *ib_conn) * sleeps until the connection is established or rejected */ int iser_connect(struct iser_conn *ib_conn, - struct sockaddr_in *src_addr, - struct sockaddr_in *dst_addr, + struct sockaddr *src_addr, + struct sockaddr *dst_addr, int non_blocking) { - struct sockaddr *src, *dst; int err = 0; - sprintf(ib_conn->name, "%pI4:%d", - &dst_addr->sin_addr.s_addr, dst_addr->sin_port); + mutex_lock(&ib_conn->state_mutex); + + sprintf(ib_conn->name, "%pISp", dst_addr); + + iser_info("connecting to: %s\n", ib_conn->name); /* the device is known only --after-- address resolution */ ib_conn->device = NULL; - iser_info("connecting to: %pI4, port 0x%x\n", - &dst_addr->sin_addr, dst_addr->sin_port); - ib_conn->state = ISER_CONN_PENDING; ib_conn->cma_id = rdma_create_id(iser_cma_handler, @@ -837,23 +877,21 @@ int iser_connect(struct iser_conn *ib_conn, goto id_failure; } - src = (struct sockaddr *)src_addr; - dst = (struct sockaddr *)dst_addr; - err = rdma_resolve_addr(ib_conn->cma_id, src, dst, 1000); + err = rdma_resolve_addr(ib_conn->cma_id, src_addr, dst_addr, 1000); if (err) { iser_err("rdma_resolve_addr failed: %d\n", err); goto addr_failure; } if (!non_blocking) { - wait_event_interruptible(ib_conn->wait, - (ib_conn->state != ISER_CONN_PENDING)); + wait_for_completion_interruptible(&ib_conn->up_completion); if (ib_conn->state != ISER_CONN_UP) { err = -EIO; goto connect_failure; } } + mutex_unlock(&ib_conn->state_mutex); mutex_lock(&ig.connlist_mutex); list_add(&ib_conn->conn_list, &ig.connlist); @@ -865,6 +903,7 @@ id_failure: addr_failure: ib_conn->state = ISER_CONN_DOWN; connect_failure: + mutex_unlock(&ib_conn->state_mutex); iser_conn_release(ib_conn); return err; } @@ -1049,18 +1088,19 @@ static void iser_handle_comp_error(struct iser_tx_desc *desc, if (ib_conn->post_recv_buf_count == 0 && atomic_read(&ib_conn->post_send_buf_count) == 0) { - /* getting here when the state is UP means that the conn is * - * being terminated asynchronously from the iSCSI layer's * - * perspective. */ - if (iser_conn_state_comp_exch(ib_conn, ISER_CONN_UP, - ISER_CONN_TERMINATING)) + /** + * getting here when the state is UP means that the conn is + * being terminated asynchronously from the iSCSI layer's + * perspective. It is safe to peek at the connection state + * since iscsi_conn_failure is allowed to be called twice. + **/ + if (ib_conn->state == ISER_CONN_UP) iscsi_conn_failure(ib_conn->iscsi_conn, ISCSI_ERR_CONN_FAILED); /* no more non completed posts to the QP, complete the * termination process w.o worrying on disconnect event */ - ib_conn->state = ISER_CONN_DOWN; - wake_up_interruptible(&ib_conn->wait); + complete(&ib_conn->flush_completion); } } diff --git a/drivers/infiniband/ulp/srp/ib_srp.c b/drivers/infiniband/ulp/srp/ib_srp.c index e3c2c5b4297f..62d2a18e1b41 100644 --- a/drivers/infiniband/ulp/srp/ib_srp.c +++ b/drivers/infiniband/ulp/srp/ib_srp.c @@ -130,6 +130,7 @@ static void srp_send_completion(struct ib_cq *cq, void *target_ptr); static int srp_cm_handler(struct ib_cm_id *cm_id, struct ib_cm_event *event); static struct scsi_transport_template *ib_srp_transport_template; +static struct workqueue_struct *srp_remove_wq; static struct ib_client srp_client = { .name = "srp", @@ -731,7 +732,7 @@ static bool srp_queue_remove_work(struct srp_target_port *target) spin_unlock_irq(&target->lock); if (changed) - queue_work(system_long_wq, &target->remove_work); + queue_work(srp_remove_wq, &target->remove_work); return changed; } @@ -1643,10 +1644,14 @@ static void srp_process_rsp(struct srp_target_port *target, struct srp_rsp *rsp) SCSI_SENSE_BUFFERSIZE)); } - if (rsp->flags & (SRP_RSP_FLAG_DOOVER | SRP_RSP_FLAG_DOUNDER)) - scsi_set_resid(scmnd, be32_to_cpu(rsp->data_out_res_cnt)); - else if (rsp->flags & (SRP_RSP_FLAG_DIOVER | SRP_RSP_FLAG_DIUNDER)) + if (unlikely(rsp->flags & SRP_RSP_FLAG_DIUNDER)) scsi_set_resid(scmnd, be32_to_cpu(rsp->data_in_res_cnt)); + else if (unlikely(rsp->flags & SRP_RSP_FLAG_DIOVER)) + scsi_set_resid(scmnd, -be32_to_cpu(rsp->data_in_res_cnt)); + else if (unlikely(rsp->flags & SRP_RSP_FLAG_DOUNDER)) + scsi_set_resid(scmnd, be32_to_cpu(rsp->data_out_res_cnt)); + else if (unlikely(rsp->flags & SRP_RSP_FLAG_DOOVER)) + scsi_set_resid(scmnd, -be32_to_cpu(rsp->data_out_res_cnt)); srp_free_req(target, req, scmnd, be32_to_cpu(rsp->req_lim_delta)); @@ -3261,9 +3266,10 @@ static void srp_remove_one(struct ib_device *device) spin_unlock(&host->target_lock); /* - * Wait for target port removal tasks. + * Wait for tl_err and target port removal tasks. */ flush_workqueue(system_long_wq); + flush_workqueue(srp_remove_wq); kfree(host); } @@ -3313,16 +3319,22 @@ static int __init srp_init_module(void) indirect_sg_entries = cmd_sg_entries; } + srp_remove_wq = create_workqueue("srp_remove"); + if (!srp_remove_wq) { + ret = -ENOMEM; + goto out; + } + + ret = -ENOMEM; ib_srp_transport_template = srp_attach_transport(&ib_srp_transport_functions); if (!ib_srp_transport_template) - return -ENOMEM; + goto destroy_wq; ret = class_register(&srp_class); if (ret) { pr_err("couldn't register class infiniband_srp\n"); - srp_release_transport(ib_srp_transport_template); - return ret; + goto release_tr; } ib_sa_register_client(&srp_sa_client); @@ -3330,13 +3342,22 @@ static int __init srp_init_module(void) ret = ib_register_client(&srp_client); if (ret) { pr_err("couldn't register IB client\n"); - srp_release_transport(ib_srp_transport_template); - ib_sa_unregister_client(&srp_sa_client); - class_unregister(&srp_class); - return ret; + goto unreg_sa; } - return 0; +out: + return ret; + +unreg_sa: + ib_sa_unregister_client(&srp_sa_client); + class_unregister(&srp_class); + +release_tr: + srp_release_transport(ib_srp_transport_template); + +destroy_wq: + destroy_workqueue(srp_remove_wq); + goto out; } static void __exit srp_cleanup_module(void) @@ -3345,6 +3366,7 @@ static void __exit srp_cleanup_module(void) ib_sa_unregister_client(&srp_sa_client); class_unregister(&srp_class); srp_release_transport(ib_srp_transport_template); + destroy_workqueue(srp_remove_wq); } module_init(srp_init_module); diff --git a/drivers/infiniband/ulp/srpt/ib_srpt.c b/drivers/infiniband/ulp/srpt/ib_srpt.c index fe09f2788b15..d28a8c284da9 100644 --- a/drivers/infiniband/ulp/srpt/ib_srpt.c +++ b/drivers/infiniband/ulp/srpt/ib_srpt.c @@ -198,6 +198,7 @@ static void srpt_event_handler(struct ib_event_handler *handler, case IB_EVENT_PKEY_CHANGE: case IB_EVENT_SM_CHANGE: case IB_EVENT_CLIENT_REREGISTER: + case IB_EVENT_GID_CHANGE: /* Refresh port data asynchronously. */ if (event->element.port_num <= sdev->device->phys_port_cnt) { sport = &sdev->port[event->element.port_num - 1]; @@ -563,7 +564,7 @@ static int srpt_refresh_port(struct srpt_port *sport) ®_req, 0, srpt_mad_send_handler, srpt_mad_recv_handler, - sport); + sport, 0); if (IS_ERR(sport->mad_agent)) { ret = PTR_ERR(sport->mad_agent); sport->mad_agent = NULL; diff --git a/drivers/input/input-mt.c b/drivers/input/input-mt.c index d398f1321f14..c30204f2fa30 100644 --- a/drivers/input/input-mt.c +++ b/drivers/input/input-mt.c @@ -237,6 +237,31 @@ void input_mt_report_pointer_emulation(struct input_dev *dev, bool use_count) EXPORT_SYMBOL(input_mt_report_pointer_emulation); /** + * input_mt_drop_unused() - Inactivate slots not seen in this frame + * @dev: input device with allocated MT slots + * + * Lift all slots not seen since the last call to this function. + */ +void input_mt_drop_unused(struct input_dev *dev) +{ + struct input_mt *mt = dev->mt; + int i; + + if (!mt) + return; + + for (i = 0; i < mt->num_slots; i++) { + if (!input_mt_is_used(mt, &mt->slots[i])) { + input_mt_slot(dev, i); + input_event(dev, EV_ABS, ABS_MT_TRACKING_ID, -1); + } + } + + mt->frame++; +} +EXPORT_SYMBOL(input_mt_drop_unused); + +/** * input_mt_sync_frame() - synchronize mt frame * @dev: input device with allocated MT slots * @@ -247,27 +272,18 @@ EXPORT_SYMBOL(input_mt_report_pointer_emulation); void input_mt_sync_frame(struct input_dev *dev) { struct input_mt *mt = dev->mt; - struct input_mt_slot *s; bool use_count = false; if (!mt) return; - if (mt->flags & INPUT_MT_DROP_UNUSED) { - for (s = mt->slots; s != mt->slots + mt->num_slots; s++) { - if (input_mt_is_used(mt, s)) - continue; - input_mt_slot(dev, s - mt->slots); - input_event(dev, EV_ABS, ABS_MT_TRACKING_ID, -1); - } - } + if (mt->flags & INPUT_MT_DROP_UNUSED) + input_mt_drop_unused(dev); if ((mt->flags & INPUT_MT_POINTER) && !(mt->flags & INPUT_MT_SEMI_MT)) use_count = true; input_mt_report_pointer_emulation(dev, use_count); - - mt->frame++; } EXPORT_SYMBOL(input_mt_sync_frame); diff --git a/drivers/input/joystick/analog.c b/drivers/input/joystick/analog.c index 9135606c8649..ab0fdcd36e18 100644 --- a/drivers/input/joystick/analog.c +++ b/drivers/input/joystick/analog.c @@ -158,7 +158,7 @@ static unsigned int get_time_pit(void) #define GET_TIME(x) rdtscl(x) #define DELTA(x,y) ((y)-(x)) #define TIME_NAME "TSC" -#elif defined(__alpha__) || defined(CONFIG_MN10300) || defined(CONFIG_ARM) || defined(CONFIG_TILE) +#elif defined(__alpha__) || defined(CONFIG_MN10300) || defined(CONFIG_ARM) || defined(CONFIG_ARM64) || defined(CONFIG_TILE) #define GET_TIME(x) do { x = get_cycles(); } while (0) #define DELTA(x,y) ((y)-(x)) #define TIME_NAME "get_cycles" diff --git a/drivers/input/joystick/xpad.c b/drivers/input/joystick/xpad.c index 603fe0dd3682..177602cf7079 100644 --- a/drivers/input/joystick/xpad.c +++ b/drivers/input/joystick/xpad.c @@ -95,7 +95,8 @@ #define XTYPE_XBOX 0 #define XTYPE_XBOX360 1 #define XTYPE_XBOX360W 2 -#define XTYPE_UNKNOWN 3 +#define XTYPE_XBOXONE 3 +#define XTYPE_UNKNOWN 4 static bool dpad_to_buttons; module_param(dpad_to_buttons, bool, S_IRUGO); @@ -121,6 +122,7 @@ static const struct xpad_device { { 0x045e, 0x0287, "Microsoft Xbox Controller S", 0, XTYPE_XBOX }, { 0x045e, 0x0289, "Microsoft X-Box pad v2 (US)", 0, XTYPE_XBOX }, { 0x045e, 0x028e, "Microsoft X-Box 360 pad", 0, XTYPE_XBOX360 }, + { 0x045e, 0x02d1, "Microsoft X-Box One pad", 0, XTYPE_XBOXONE }, { 0x045e, 0x0291, "Xbox 360 Wireless Receiver (XBOX)", MAP_DPAD_TO_BUTTONS, XTYPE_XBOX360W }, { 0x045e, 0x0719, "Xbox 360 Wireless Receiver", MAP_DPAD_TO_BUTTONS, XTYPE_XBOX360W }, { 0x044f, 0x0f07, "Thrustmaster, Inc. Controller", 0, XTYPE_XBOX }, @@ -231,10 +233,12 @@ static const signed short xpad_abs_triggers[] = { -1 }; -/* Xbox 360 has a vendor-specific class, so we cannot match it with only +/* + * Xbox 360 has a vendor-specific class, so we cannot match it with only * USB_INTERFACE_INFO (also specifically refused by USB subsystem), so we * match against vendor id as well. Wired Xbox 360 devices have protocol 1, - * wireless controllers have protocol 129. */ + * wireless controllers have protocol 129. + */ #define XPAD_XBOX360_VENDOR_PROTOCOL(vend,pr) \ .match_flags = USB_DEVICE_ID_MATCH_VENDOR | USB_DEVICE_ID_MATCH_INT_INFO, \ .idVendor = (vend), \ @@ -245,9 +249,20 @@ static const signed short xpad_abs_triggers[] = { { XPAD_XBOX360_VENDOR_PROTOCOL(vend,1) }, \ { XPAD_XBOX360_VENDOR_PROTOCOL(vend,129) } +/* The Xbox One controller uses subclass 71 and protocol 208. */ +#define XPAD_XBOXONE_VENDOR_PROTOCOL(vend, pr) \ + .match_flags = USB_DEVICE_ID_MATCH_VENDOR | USB_DEVICE_ID_MATCH_INT_INFO, \ + .idVendor = (vend), \ + .bInterfaceClass = USB_CLASS_VENDOR_SPEC, \ + .bInterfaceSubClass = 71, \ + .bInterfaceProtocol = (pr) +#define XPAD_XBOXONE_VENDOR(vend) \ + { XPAD_XBOXONE_VENDOR_PROTOCOL(vend, 208) } + static struct usb_device_id xpad_table[] = { { USB_INTERFACE_INFO('X', 'B', 0) }, /* X-Box USB-IF not approved class */ XPAD_XBOX360_VENDOR(0x045e), /* Microsoft X-Box 360 controllers */ + XPAD_XBOXONE_VENDOR(0x045e), /* Microsoft X-Box One controllers */ XPAD_XBOX360_VENDOR(0x046d), /* Logitech X-Box 360 style controllers */ XPAD_XBOX360_VENDOR(0x0738), /* Mad Catz X-Box 360 controllers */ { USB_DEVICE(0x0738, 0x4540) }, /* Mad Catz Beat Pad */ @@ -278,12 +293,10 @@ struct usb_xpad { struct urb *bulk_out; unsigned char *bdata; -#if defined(CONFIG_JOYSTICK_XPAD_FF) || defined(CONFIG_JOYSTICK_XPAD_LEDS) struct urb *irq_out; /* urb for interrupt out report */ unsigned char *odata; /* output data */ dma_addr_t odata_dma; struct mutex odata_mutex; -#endif #if defined(CONFIG_JOYSTICK_XPAD_LEDS) struct xpad_led *led; @@ -470,6 +483,105 @@ static void xpad360w_process_packet(struct usb_xpad *xpad, u16 cmd, unsigned cha xpad360_process_packet(xpad, cmd, &data[4]); } +/* + * xpadone_process_buttons + * + * Process a button update packet from an Xbox one controller. + */ +static void xpadone_process_buttons(struct usb_xpad *xpad, + struct input_dev *dev, + unsigned char *data) +{ + /* menu/view buttons */ + input_report_key(dev, BTN_START, data[4] & 0x04); + input_report_key(dev, BTN_SELECT, data[4] & 0x08); + + /* buttons A,B,X,Y */ + input_report_key(dev, BTN_A, data[4] & 0x10); + input_report_key(dev, BTN_B, data[4] & 0x20); + input_report_key(dev, BTN_X, data[4] & 0x40); + input_report_key(dev, BTN_Y, data[4] & 0x80); + + /* digital pad */ + if (xpad->mapping & MAP_DPAD_TO_BUTTONS) { + /* dpad as buttons (left, right, up, down) */ + input_report_key(dev, BTN_TRIGGER_HAPPY1, data[5] & 0x04); + input_report_key(dev, BTN_TRIGGER_HAPPY2, data[5] & 0x08); + input_report_key(dev, BTN_TRIGGER_HAPPY3, data[5] & 0x01); + input_report_key(dev, BTN_TRIGGER_HAPPY4, data[5] & 0x02); + } else { + input_report_abs(dev, ABS_HAT0X, + !!(data[5] & 0x08) - !!(data[5] & 0x04)); + input_report_abs(dev, ABS_HAT0Y, + !!(data[5] & 0x02) - !!(data[5] & 0x01)); + } + + /* TL/TR */ + input_report_key(dev, BTN_TL, data[5] & 0x10); + input_report_key(dev, BTN_TR, data[5] & 0x20); + + /* stick press left/right */ + input_report_key(dev, BTN_THUMBL, data[5] & 0x40); + input_report_key(dev, BTN_THUMBR, data[5] & 0x80); + + if (!(xpad->mapping & MAP_STICKS_TO_NULL)) { + /* left stick */ + input_report_abs(dev, ABS_X, + (__s16) le16_to_cpup((__le16 *)(data + 10))); + input_report_abs(dev, ABS_Y, + ~(__s16) le16_to_cpup((__le16 *)(data + 12))); + + /* right stick */ + input_report_abs(dev, ABS_RX, + (__s16) le16_to_cpup((__le16 *)(data + 14))); + input_report_abs(dev, ABS_RY, + ~(__s16) le16_to_cpup((__le16 *)(data + 16))); + } + + /* triggers left/right */ + if (xpad->mapping & MAP_TRIGGERS_TO_BUTTONS) { + input_report_key(dev, BTN_TL2, + (__u16) le16_to_cpup((__le16 *)(data + 6))); + input_report_key(dev, BTN_TR2, + (__u16) le16_to_cpup((__le16 *)(data + 8))); + } else { + input_report_abs(dev, ABS_Z, + (__u16) le16_to_cpup((__le16 *)(data + 6))); + input_report_abs(dev, ABS_RZ, + (__u16) le16_to_cpup((__le16 *)(data + 8))); + } + + input_sync(dev); +} + +/* + * xpadone_process_packet + * + * Completes a request by converting the data into events for the + * input subsystem. This version is for the Xbox One controller. + * + * The report format was gleaned from + * https://github.com/kylelemons/xbox/blob/master/xbox.go + */ + +static void xpadone_process_packet(struct usb_xpad *xpad, + u16 cmd, unsigned char *data) +{ + struct input_dev *dev = xpad->dev; + + switch (data[0]) { + case 0x20: + xpadone_process_buttons(xpad, dev, data); + break; + + case 0x07: + /* the xbox button has its own special report */ + input_report_key(dev, BTN_MODE, data[4] & 0x01); + input_sync(dev); + break; + } +} + static void xpad_irq_in(struct urb *urb) { struct usb_xpad *xpad = urb->context; @@ -502,6 +614,9 @@ static void xpad_irq_in(struct urb *urb) case XTYPE_XBOX360W: xpad360w_process_packet(xpad, 0, xpad->idata); break; + case XTYPE_XBOXONE: + xpadone_process_packet(xpad, 0, xpad->idata); + break; default: xpad_process_packet(xpad, 0, xpad->idata); } @@ -535,7 +650,6 @@ static void xpad_bulk_out(struct urb *urb) } } -#if defined(CONFIG_JOYSTICK_XPAD_FF) || defined(CONFIG_JOYSTICK_XPAD_LEDS) static void xpad_irq_out(struct urb *urb) { struct usb_xpad *xpad = urb->context; @@ -573,6 +687,7 @@ exit: static int xpad_init_output(struct usb_interface *intf, struct usb_xpad *xpad) { struct usb_endpoint_descriptor *ep_irq_out; + int ep_irq_out_idx; int error; if (xpad->xtype == XTYPE_UNKNOWN) @@ -593,7 +708,10 @@ static int xpad_init_output(struct usb_interface *intf, struct usb_xpad *xpad) goto fail2; } - ep_irq_out = &intf->cur_altsetting->endpoint[1].desc; + /* Xbox One controller has in/out endpoints swapped. */ + ep_irq_out_idx = xpad->xtype == XTYPE_XBOXONE ? 0 : 1; + ep_irq_out = &intf->cur_altsetting->endpoint[ep_irq_out_idx].desc; + usb_fill_int_urb(xpad->irq_out, xpad->udev, usb_sndintpipe(xpad->udev, ep_irq_out->bEndpointAddress), xpad->odata, XPAD_PKT_LEN, @@ -621,11 +739,6 @@ static void xpad_deinit_output(struct usb_xpad *xpad) xpad->odata, xpad->odata_dma); } } -#else -static int xpad_init_output(struct usb_interface *intf, struct usb_xpad *xpad) { return 0; } -static void xpad_deinit_output(struct usb_xpad *xpad) {} -static void xpad_stop_output(struct usb_xpad *xpad) {} -#endif #ifdef CONFIG_JOYSTICK_XPAD_FF static int xpad_play_effect(struct input_dev *dev, void *data, struct ff_effect *effect) @@ -692,7 +805,7 @@ static int xpad_play_effect(struct input_dev *dev, void *data, struct ff_effect static int xpad_init_ff(struct usb_xpad *xpad) { - if (xpad->xtype == XTYPE_UNKNOWN) + if (xpad->xtype == XTYPE_UNKNOWN || xpad->xtype == XTYPE_XBOXONE) return 0; input_set_capability(xpad->dev, EV_FF, FF_RUMBLE); @@ -801,6 +914,14 @@ static int xpad_open(struct input_dev *dev) if (usb_submit_urb(xpad->irq_in, GFP_KERNEL)) return -EIO; + if (xpad->xtype == XTYPE_XBOXONE) { + /* Xbox one controller needs to be initialized. */ + xpad->odata[0] = 0x05; + xpad->odata[1] = 0x20; + xpad->irq_out->transfer_buffer_length = 2; + return usb_submit_urb(xpad->irq_out, GFP_KERNEL); + } + return 0; } @@ -816,6 +937,7 @@ static void xpad_close(struct input_dev *dev) static void xpad_set_up_abs(struct input_dev *input_dev, signed short abs) { + struct usb_xpad *xpad = input_get_drvdata(input_dev); set_bit(abs, input_dev->absbit); switch (abs) { @@ -827,7 +949,10 @@ static void xpad_set_up_abs(struct input_dev *input_dev, signed short abs) break; case ABS_Z: case ABS_RZ: /* the triggers (if mapped to axes) */ - input_set_abs_params(input_dev, abs, 0, 255, 0, 0); + if (xpad->xtype == XTYPE_XBOXONE) + input_set_abs_params(input_dev, abs, 0, 1023, 0, 0); + else + input_set_abs_params(input_dev, abs, 0, 255, 0, 0); break; case ABS_HAT0X: case ABS_HAT0Y: /* the d-pad (only if dpad is mapped to axes */ @@ -842,6 +967,7 @@ static int xpad_probe(struct usb_interface *intf, const struct usb_device_id *id struct usb_xpad *xpad; struct input_dev *input_dev; struct usb_endpoint_descriptor *ep_irq_in; + int ep_irq_in_idx; int i, error; for (i = 0; xpad_device[i].idVendor; i++) { @@ -850,6 +976,16 @@ static int xpad_probe(struct usb_interface *intf, const struct usb_device_id *id break; } + if (xpad_device[i].xtype == XTYPE_XBOXONE && + intf->cur_altsetting->desc.bInterfaceNumber != 0) { + /* + * The Xbox One controller lists three interfaces all with the + * same interface class, subclass and protocol. Differentiate by + * interface number. + */ + return -ENODEV; + } + xpad = kzalloc(sizeof(struct usb_xpad), GFP_KERNEL); input_dev = input_allocate_device(); if (!xpad || !input_dev) { @@ -920,7 +1056,8 @@ static int xpad_probe(struct usb_interface *intf, const struct usb_device_id *id __set_bit(xpad_common_btn[i], input_dev->keybit); /* set up model-specific ones */ - if (xpad->xtype == XTYPE_XBOX360 || xpad->xtype == XTYPE_XBOX360W) { + if (xpad->xtype == XTYPE_XBOX360 || xpad->xtype == XTYPE_XBOX360W || + xpad->xtype == XTYPE_XBOXONE) { for (i = 0; xpad360_btn[i] >= 0; i++) __set_bit(xpad360_btn[i], input_dev->keybit); } else { @@ -933,7 +1070,7 @@ static int xpad_probe(struct usb_interface *intf, const struct usb_device_id *id __set_bit(xpad_btn_pad[i], input_dev->keybit); } else { for (i = 0; xpad_abs_pad[i] >= 0; i++) - xpad_set_up_abs(input_dev, xpad_abs_pad[i]); + xpad_set_up_abs(input_dev, xpad_abs_pad[i]); } if (xpad->mapping & MAP_TRIGGERS_TO_BUTTONS) { @@ -956,7 +1093,10 @@ static int xpad_probe(struct usb_interface *intf, const struct usb_device_id *id if (error) goto fail5; - ep_irq_in = &intf->cur_altsetting->endpoint[0].desc; + /* Xbox One controller has in/out endpoints swapped. */ + ep_irq_in_idx = xpad->xtype == XTYPE_XBOXONE ? 1 : 0; + ep_irq_in = &intf->cur_altsetting->endpoint[ep_irq_in_idx].desc; + usb_fill_int_urb(xpad->irq_in, udev, usb_rcvintpipe(udev, ep_irq_in->bEndpointAddress), xpad->idata, XPAD_PKT_LEN, xpad_irq_in, diff --git a/drivers/input/keyboard/cap1106.c b/drivers/input/keyboard/cap1106.c index f7d7a0d4ab4e..180b184ab90f 100644 --- a/drivers/input/keyboard/cap1106.c +++ b/drivers/input/keyboard/cap1106.c @@ -64,7 +64,7 @@ struct cap1106_priv { struct input_dev *idev; /* config */ - unsigned int keycodes[CAP1106_NUM_CHN]; + unsigned short keycodes[CAP1106_NUM_CHN]; }; static const struct reg_default cap1106_reg_defaults[] = { @@ -272,6 +272,12 @@ static int cap1106_i2c_probe(struct i2c_client *i2c_client, for (i = 0; i < CAP1106_NUM_CHN; i++) __set_bit(priv->keycodes[i], priv->idev->keybit); + __clear_bit(KEY_RESERVED, priv->idev->keybit); + + priv->idev->keycode = priv->keycodes; + priv->idev->keycodesize = sizeof(priv->keycodes[0]); + priv->idev->keycodemax = ARRAY_SIZE(priv->keycodes); + priv->idev->id.vendor = CAP1106_MANUFACTURER_ID; priv->idev->id.product = CAP1106_PRODUCT_ID; priv->idev->id.version = rev; diff --git a/drivers/input/mouse/synaptics.c b/drivers/input/mouse/synaptics.c index ef9e0b8a9aa7..e8573c68f77e 100644 --- a/drivers/input/mouse/synaptics.c +++ b/drivers/input/mouse/synaptics.c @@ -117,6 +117,9 @@ void synaptics_reset(struct psmouse *psmouse) } #ifdef CONFIG_MOUSE_PS2_SYNAPTICS + +static bool cr48_profile_sensor; + struct min_max_quirk { const char * const *pnp_ids; int x_min, x_max, y_min, y_max; @@ -1152,6 +1155,42 @@ static void synaptics_image_sensor_process(struct psmouse *psmouse, priv->agm_pending = false; } +static void synaptics_profile_sensor_process(struct psmouse *psmouse, + struct synaptics_hw_state *sgm, + int num_fingers) +{ + struct input_dev *dev = psmouse->dev; + struct synaptics_data *priv = psmouse->private; + struct synaptics_hw_state *hw[2] = { sgm, &priv->agm }; + struct input_mt_pos pos[2]; + int slot[2], nsemi, i; + + nsemi = clamp_val(num_fingers, 0, 2); + + for (i = 0; i < nsemi; i++) { + pos[i].x = hw[i]->x; + pos[i].y = synaptics_invert_y(hw[i]->y); + } + + input_mt_assign_slots(dev, slot, pos, nsemi); + + for (i = 0; i < nsemi; i++) { + input_mt_slot(dev, slot[i]); + input_mt_report_slot_state(dev, MT_TOOL_FINGER, true); + input_report_abs(dev, ABS_MT_POSITION_X, pos[i].x); + input_report_abs(dev, ABS_MT_POSITION_Y, pos[i].y); + input_report_abs(dev, ABS_MT_PRESSURE, hw[i]->z); + } + + input_mt_drop_unused(dev); + input_mt_report_pointer_emulation(dev, false); + input_mt_report_finger_count(dev, num_fingers); + + synaptics_report_buttons(psmouse, sgm); + + input_sync(dev); +} + /* * called for each full received packet from the touchpad */ @@ -1215,6 +1254,11 @@ static void synaptics_process_packet(struct psmouse *psmouse) finger_width = 0; } + if (cr48_profile_sensor) { + synaptics_profile_sensor_process(psmouse, &hw, num_fingers); + return; + } + if (SYN_CAP_ADV_GESTURE(priv->ext_cap_0c)) synaptics_report_semi_mt_data(dev, &hw, &priv->agm, num_fingers); @@ -1360,6 +1404,9 @@ static void set_input_params(struct psmouse *psmouse, set_abs_position_params(dev, priv, ABS_X, ABS_Y); input_set_abs_params(dev, ABS_PRESSURE, 0, 255, 0, 0); + if (cr48_profile_sensor) + input_set_abs_params(dev, ABS_MT_PRESSURE, 0, 255, 0, 0); + if (SYN_CAP_IMAGE_SENSOR(priv->ext_cap_0c)) { set_abs_position_params(dev, priv, ABS_MT_POSITION_X, ABS_MT_POSITION_Y); @@ -1371,11 +1418,16 @@ static void set_input_params(struct psmouse *psmouse, __set_bit(BTN_TOOL_QUADTAP, dev->keybit); __set_bit(BTN_TOOL_QUINTTAP, dev->keybit); } else if (SYN_CAP_ADV_GESTURE(priv->ext_cap_0c)) { - /* Non-image sensors with AGM use semi-mt */ - __set_bit(INPUT_PROP_SEMI_MT, dev->propbit); - input_mt_init_slots(dev, 2, 0); set_abs_position_params(dev, priv, ABS_MT_POSITION_X, ABS_MT_POSITION_Y); + /* + * Profile sensor in CR-48 tracks contacts reasonably well, + * other non-image sensors with AGM use semi-mt. + */ + input_mt_init_slots(dev, 2, + INPUT_MT_POINTER | + (cr48_profile_sensor ? + INPUT_MT_TRACK : INPUT_MT_SEMI_MT)); } if (SYN_CAP_PALMDETECT(priv->capabilities)) @@ -1577,10 +1629,24 @@ static const struct dmi_system_id olpc_dmi_table[] __initconst = { { } }; +static const struct dmi_system_id __initconst cr48_dmi_table[] = { +#if defined(CONFIG_DMI) && defined(CONFIG_X86) + { + /* Cr-48 Chromebook (Codename Mario) */ + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "IEC"), + DMI_MATCH(DMI_PRODUCT_NAME, "Mario"), + }, + }, +#endif + { } +}; + void __init synaptics_module_init(void) { impaired_toshiba_kbc = dmi_check_system(toshiba_dmi_table); broken_olpc_ec = dmi_check_system(olpc_dmi_table); + cr48_profile_sensor = dmi_check_system(cr48_dmi_table); } static int __synaptics_init(struct psmouse *psmouse, bool absolute_mode) diff --git a/drivers/input/touchscreen/atmel_mxt_ts.c b/drivers/input/touchscreen/atmel_mxt_ts.c index 03b85711cb70..db178ed2b47e 100644 --- a/drivers/input/touchscreen/atmel_mxt_ts.c +++ b/drivers/input/touchscreen/atmel_mxt_ts.c @@ -359,7 +359,6 @@ static int mxt_bootloader_read(struct mxt_data *data, msg.buf = val; ret = i2c_transfer(data->client->adapter, &msg, 1); - if (ret == 1) { ret = 0; } else { @@ -414,6 +413,7 @@ static int mxt_lookup_bootloader_address(struct mxt_data *data, bool retry) case 0x5b: bootloader = appmode - 0x26; break; + default: dev_err(&data->client->dev, "Appmode i2c address 0x%02x not found\n", @@ -425,20 +425,20 @@ static int mxt_lookup_bootloader_address(struct mxt_data *data, bool retry) return 0; } -static int mxt_probe_bootloader(struct mxt_data *data, bool retry) +static int mxt_probe_bootloader(struct mxt_data *data, bool alt_address) { struct device *dev = &data->client->dev; - int ret; + int error; u8 val; bool crc_failure; - ret = mxt_lookup_bootloader_address(data, retry); - if (ret) - return ret; + error = mxt_lookup_bootloader_address(data, alt_address); + if (error) + return error; - ret = mxt_bootloader_read(data, &val, 1); - if (ret) - return ret; + error = mxt_bootloader_read(data, &val, 1); + if (error) + return error; /* Check app crc fail mode */ crc_failure = (val & ~MXT_BOOT_STATUS_MASK) == MXT_APP_CRC_FAIL; @@ -1064,6 +1064,137 @@ static u32 mxt_calculate_crc(u8 *base, off_t start_off, off_t end_off) return crc; } +static int mxt_prepare_cfg_mem(struct mxt_data *data, + const struct firmware *cfg, + unsigned int data_pos, + unsigned int cfg_start_ofs, + u8 *config_mem, + size_t config_mem_size) +{ + struct device *dev = &data->client->dev; + struct mxt_object *object; + unsigned int type, instance, size, byte_offset; + int offset; + int ret; + int i; + u16 reg; + u8 val; + + while (data_pos < cfg->size) { + /* Read type, instance, length */ + ret = sscanf(cfg->data + data_pos, "%x %x %x%n", + &type, &instance, &size, &offset); + if (ret == 0) { + /* EOF */ + break; + } else if (ret != 3) { + dev_err(dev, "Bad format: failed to parse object\n"); + return -EINVAL; + } + data_pos += offset; + + object = mxt_get_object(data, type); + if (!object) { + /* Skip object */ + for (i = 0; i < size; i++) { + ret = sscanf(cfg->data + data_pos, "%hhx%n", + &val, &offset); + if (ret != 1) { + dev_err(dev, "Bad format in T%d at %d\n", + type, i); + return -EINVAL; + } + data_pos += offset; + } + continue; + } + + if (size > mxt_obj_size(object)) { + /* + * Either we are in fallback mode due to wrong + * config or config from a later fw version, + * or the file is corrupt or hand-edited. + */ + dev_warn(dev, "Discarding %zu byte(s) in T%u\n", + size - mxt_obj_size(object), type); + } else if (mxt_obj_size(object) > size) { + /* + * If firmware is upgraded, new bytes may be added to + * end of objects. It is generally forward compatible + * to zero these bytes - previous behaviour will be + * retained. However this does invalidate the CRC and + * will force fallback mode until the configuration is + * updated. We warn here but do nothing else - the + * malloc has zeroed the entire configuration. + */ + dev_warn(dev, "Zeroing %zu byte(s) in T%d\n", + mxt_obj_size(object) - size, type); + } + + if (instance >= mxt_obj_instances(object)) { + dev_err(dev, "Object instances exceeded!\n"); + return -EINVAL; + } + + reg = object->start_address + mxt_obj_size(object) * instance; + + for (i = 0; i < size; i++) { + ret = sscanf(cfg->data + data_pos, "%hhx%n", + &val, + &offset); + if (ret != 1) { + dev_err(dev, "Bad format in T%d at %d\n", + type, i); + return -EINVAL; + } + data_pos += offset; + + if (i > mxt_obj_size(object)) + continue; + + byte_offset = reg + i - cfg_start_ofs; + + if (byte_offset >= 0 && byte_offset < config_mem_size) { + *(config_mem + byte_offset) = val; + } else { + dev_err(dev, "Bad object: reg:%d, T%d, ofs=%d\n", + reg, object->type, byte_offset); + return -EINVAL; + } + } + } + + return 0; +} + +static int mxt_upload_cfg_mem(struct mxt_data *data, unsigned int cfg_start, + u8 *config_mem, size_t config_mem_size) +{ + unsigned int byte_offset = 0; + int error; + + /* Write configuration as blocks */ + while (byte_offset < config_mem_size) { + unsigned int size = config_mem_size - byte_offset; + + if (size > MXT_MAX_BLOCK_WRITE) + size = MXT_MAX_BLOCK_WRITE; + + error = __mxt_write_reg(data->client, + cfg_start + byte_offset, + size, config_mem + byte_offset); + if (error) { + dev_err(&data->client->dev, + "Config write error, ret=%d\n", error); + return error; + } + + byte_offset += size; + } + + return 0; +} + /* * mxt_update_cfg - download configuration to chip * @@ -1087,26 +1218,20 @@ static int mxt_update_cfg(struct mxt_data *data, const struct firmware *cfg) { struct device *dev = &data->client->dev; struct mxt_info cfg_info; - struct mxt_object *object; int ret; int offset; int data_pos; - int byte_offset; int i; int cfg_start_ofs; u32 info_crc, config_crc, calculated_crc; u8 *config_mem; size_t config_mem_size; - unsigned int type, instance, size; - u8 val; - u16 reg; mxt_update_crc(data, MXT_COMMAND_REPORTALL, 1); if (strncmp(cfg->data, MXT_CFG_MAGIC, strlen(MXT_CFG_MAGIC))) { dev_err(dev, "Unrecognised config file\n"); - ret = -EINVAL; - goto release; + return -EINVAL; } data_pos = strlen(MXT_CFG_MAGIC); @@ -1118,8 +1243,7 @@ static int mxt_update_cfg(struct mxt_data *data, const struct firmware *cfg) &offset); if (ret != 1) { dev_err(dev, "Bad format\n"); - ret = -EINVAL; - goto release; + return -EINVAL; } data_pos += offset; @@ -1127,30 +1251,26 @@ static int mxt_update_cfg(struct mxt_data *data, const struct firmware *cfg) if (cfg_info.family_id != data->info.family_id) { dev_err(dev, "Family ID mismatch!\n"); - ret = -EINVAL; - goto release; + return -EINVAL; } if (cfg_info.variant_id != data->info.variant_id) { dev_err(dev, "Variant ID mismatch!\n"); - ret = -EINVAL; - goto release; + return -EINVAL; } /* Read CRCs */ ret = sscanf(cfg->data + data_pos, "%x%n", &info_crc, &offset); if (ret != 1) { dev_err(dev, "Bad format: failed to parse Info CRC\n"); - ret = -EINVAL; - goto release; + return -EINVAL; } data_pos += offset; ret = sscanf(cfg->data + data_pos, "%x%n", &config_crc, &offset); if (ret != 1) { dev_err(dev, "Bad format: failed to parse Config CRC\n"); - ret = -EINVAL; - goto release; + return -EINVAL; } data_pos += offset; @@ -1166,8 +1286,7 @@ static int mxt_update_cfg(struct mxt_data *data, const struct firmware *cfg) } else if (config_crc == data->config_crc) { dev_dbg(dev, "Config CRC 0x%06X: OK\n", data->config_crc); - ret = 0; - goto release; + return 0; } else { dev_info(dev, "Config CRC 0x%06X: does not match file 0x%06X\n", data->config_crc, config_crc); @@ -1186,93 +1305,13 @@ static int mxt_update_cfg(struct mxt_data *data, const struct firmware *cfg) config_mem = kzalloc(config_mem_size, GFP_KERNEL); if (!config_mem) { dev_err(dev, "Failed to allocate memory\n"); - ret = -ENOMEM; - goto release; + return -ENOMEM; } - while (data_pos < cfg->size) { - /* Read type, instance, length */ - ret = sscanf(cfg->data + data_pos, "%x %x %x%n", - &type, &instance, &size, &offset); - if (ret == 0) { - /* EOF */ - break; - } else if (ret != 3) { - dev_err(dev, "Bad format: failed to parse object\n"); - ret = -EINVAL; - goto release_mem; - } - data_pos += offset; - - object = mxt_get_object(data, type); - if (!object) { - /* Skip object */ - for (i = 0; i < size; i++) { - ret = sscanf(cfg->data + data_pos, "%hhx%n", - &val, - &offset); - data_pos += offset; - } - continue; - } - - if (size > mxt_obj_size(object)) { - /* - * Either we are in fallback mode due to wrong - * config or config from a later fw version, - * or the file is corrupt or hand-edited. - */ - dev_warn(dev, "Discarding %zu byte(s) in T%u\n", - size - mxt_obj_size(object), type); - } else if (mxt_obj_size(object) > size) { - /* - * If firmware is upgraded, new bytes may be added to - * end of objects. It is generally forward compatible - * to zero these bytes - previous behaviour will be - * retained. However this does invalidate the CRC and - * will force fallback mode until the configuration is - * updated. We warn here but do nothing else - the - * malloc has zeroed the entire configuration. - */ - dev_warn(dev, "Zeroing %zu byte(s) in T%d\n", - mxt_obj_size(object) - size, type); - } - - if (instance >= mxt_obj_instances(object)) { - dev_err(dev, "Object instances exceeded!\n"); - ret = -EINVAL; - goto release_mem; - } - - reg = object->start_address + mxt_obj_size(object) * instance; - - for (i = 0; i < size; i++) { - ret = sscanf(cfg->data + data_pos, "%hhx%n", - &val, - &offset); - if (ret != 1) { - dev_err(dev, "Bad format in T%d\n", type); - ret = -EINVAL; - goto release_mem; - } - data_pos += offset; - - if (i > mxt_obj_size(object)) - continue; - - byte_offset = reg + i - cfg_start_ofs; - - if ((byte_offset >= 0) - && (byte_offset <= config_mem_size)) { - *(config_mem + byte_offset) = val; - } else { - dev_err(dev, "Bad object: reg:%d, T%d, ofs=%d\n", - reg, object->type, byte_offset); - ret = -EINVAL; - goto release_mem; - } - } - } + ret = mxt_prepare_cfg_mem(data, cfg, data_pos, cfg_start_ofs, + config_mem, config_mem_size); + if (ret) + goto release_mem; /* Calculate crc of the received configs (not the raw config file) */ if (data->T7_address < cfg_start_ofs) { @@ -1286,28 +1325,14 @@ static int mxt_update_cfg(struct mxt_data *data, const struct firmware *cfg) data->T7_address - cfg_start_ofs, config_mem_size); - if (config_crc > 0 && (config_crc != calculated_crc)) + if (config_crc > 0 && config_crc != calculated_crc) dev_warn(dev, "Config CRC error, calculated=%06X, file=%06X\n", calculated_crc, config_crc); - /* Write configuration as blocks */ - byte_offset = 0; - while (byte_offset < config_mem_size) { - size = config_mem_size - byte_offset; - - if (size > MXT_MAX_BLOCK_WRITE) - size = MXT_MAX_BLOCK_WRITE; - - ret = __mxt_write_reg(data->client, - cfg_start_ofs + byte_offset, - size, config_mem + byte_offset); - if (ret != 0) { - dev_err(dev, "Config write error, ret=%d\n", ret); - goto release_mem; - } - - byte_offset += size; - } + ret = mxt_upload_cfg_mem(data, cfg_start_ofs, + config_mem, config_mem_size); + if (ret) + goto release_mem; mxt_update_crc(data, MXT_COMMAND_BACKUPNV, MXT_BACKUP_VALUE); @@ -1319,8 +1344,6 @@ static int mxt_update_cfg(struct mxt_data *data, const struct firmware *cfg) release_mem: kfree(config_mem); -release: - release_firmware(cfg); return ret; } @@ -1422,10 +1445,12 @@ static int mxt_get_object_table(struct mxt_data *data) switch (object->type) { case MXT_GEN_MESSAGE_T5: - if (data->info.family_id == 0x80) { + if (data->info.family_id == 0x80 && + data->info.version < 0x20) { /* - * On mXT224 read and discard unused CRC byte - * otherwise DMA reads are misaligned + * On mXT224 firmware versions prior to V2.0 + * read and discard unused CRC byte otherwise + * DMA reads are misaligned. */ data->T5_msg_size = mxt_obj_size(object); } else { @@ -1433,6 +1458,7 @@ static int mxt_get_object_table(struct mxt_data *data) data->T5_msg_size = mxt_obj_size(object) - 1; } data->T5_address = object->start_address; + break; case MXT_GEN_COMMAND_T6: data->T6_reportid = min_id; data->T6_address = object->start_address; @@ -1638,46 +1664,45 @@ static int mxt_configure_objects(struct mxt_data *data, static void mxt_config_cb(const struct firmware *cfg, void *ctx) { mxt_configure_objects(ctx, cfg); + release_firmware(cfg); } static int mxt_initialize(struct mxt_data *data) { struct i2c_client *client = data->client; + int recovery_attempts = 0; int error; - bool alt_bootloader_addr = false; - bool retry = false; -retry_info: - error = mxt_get_info(data); - if (error) { -retry_bootloader: - error = mxt_probe_bootloader(data, alt_bootloader_addr); + while (1) { + error = mxt_get_info(data); + if (!error) + break; + + /* Check bootloader state */ + error = mxt_probe_bootloader(data, false); if (error) { - if (alt_bootloader_addr) { + dev_info(&client->dev, "Trying alternate bootloader address\n"); + error = mxt_probe_bootloader(data, true); + if (error) { /* Chip is not in appmode or bootloader mode */ return error; } + } - dev_info(&client->dev, "Trying alternate bootloader address\n"); - alt_bootloader_addr = true; - goto retry_bootloader; - } else { - if (retry) { - dev_err(&client->dev, "Could not recover from bootloader mode\n"); - /* - * We can reflash from this state, so do not - * abort init - */ - data->in_bootloader = true; - return 0; - } - - /* Attempt to exit bootloader into app mode */ - mxt_send_bootloader_cmd(data, false); - msleep(MXT_FW_RESET_TIME); - retry = true; - goto retry_info; + /* OK, we are in bootloader, see if we can recover */ + if (++recovery_attempts > 1) { + dev_err(&client->dev, "Could not recover from bootloader mode\n"); + /* + * We can reflash from this state, so do not + * abort initialization. + */ + data->in_bootloader = true; + return 0; } + + /* Attempt to exit bootloader into app mode */ + mxt_send_bootloader_cmd(data, false); + msleep(MXT_FW_RESET_TIME); } /* Get object table information */ @@ -1687,13 +1712,18 @@ retry_bootloader: return error; } - mxt_acquire_irq(data); + error = mxt_acquire_irq(data); if (error) goto err_free_object_table; - request_firmware_nowait(THIS_MODULE, true, MXT_CFG_NAME, - &data->client->dev, GFP_KERNEL, data, - mxt_config_cb); + error = request_firmware_nowait(THIS_MODULE, true, MXT_CFG_NAME, + &client->dev, GFP_KERNEL, data, + mxt_config_cb); + if (error) { + dev_err(&client->dev, "Failed to invoke firmware loader: %d\n", + error); + goto err_free_object_table; + } return 0; diff --git a/drivers/input/touchscreen/edt-ft5x06.c b/drivers/input/touchscreen/edt-ft5x06.c index 5a6d50c004d7..8857d5b9be71 100644 --- a/drivers/input/touchscreen/edt-ft5x06.c +++ b/drivers/input/touchscreen/edt-ft5x06.c @@ -262,7 +262,6 @@ static int edt_ft5x06_register_write(struct edt_ft5x06_ts_data *tsdata, case M06: wrbuf[0] = tsdata->factory_mode ? 0xf3 : 0xfc; wrbuf[1] = tsdata->factory_mode ? addr & 0x7f : addr & 0x3f; - wrbuf[1] = tsdata->factory_mode ? addr & 0x7f : addr & 0x3f; wrbuf[2] = value; wrbuf[3] = wrbuf[0] ^ wrbuf[1] ^ wrbuf[2]; return edt_ft5x06_ts_readwrite(tsdata->client, 4, diff --git a/drivers/md/bcache/alloc.c b/drivers/md/bcache/alloc.c index 443d03fbac47..8eeab72b93e2 100644 --- a/drivers/md/bcache/alloc.c +++ b/drivers/md/bcache/alloc.c @@ -331,7 +331,7 @@ static int bch_allocator_thread(void *arg) mutex_unlock(&ca->set->bucket_lock); blkdev_issue_discard(ca->bdev, bucket_to_sector(ca->set, bucket), - ca->sb.block_size, GFP_KERNEL, 0); + ca->sb.bucket_size, GFP_KERNEL, 0); mutex_lock(&ca->set->bucket_lock); } diff --git a/drivers/md/bcache/bcache.h b/drivers/md/bcache/bcache.h index d2ebcf323094..04f7bc28ef83 100644 --- a/drivers/md/bcache/bcache.h +++ b/drivers/md/bcache/bcache.h @@ -477,9 +477,13 @@ struct gc_stat { * CACHE_SET_STOPPING always gets set first when we're closing down a cache set; * we'll continue to run normally for awhile with CACHE_SET_STOPPING set (i.e. * flushing dirty data). + * + * CACHE_SET_RUNNING means all cache devices have been registered and journal + * replay is complete. */ #define CACHE_SET_UNREGISTERING 0 #define CACHE_SET_STOPPING 1 +#define CACHE_SET_RUNNING 2 struct cache_set { struct closure cl; diff --git a/drivers/md/bcache/bset.c b/drivers/md/bcache/bset.c index 545416415305..646fe85261c1 100644 --- a/drivers/md/bcache/bset.c +++ b/drivers/md/bcache/bset.c @@ -1182,7 +1182,7 @@ static void __btree_sort(struct btree_keys *b, struct btree_iter *iter, { uint64_t start_time; bool used_mempool = false; - struct bset *out = (void *) __get_free_pages(__GFP_NOWARN|GFP_NOIO, + struct bset *out = (void *) __get_free_pages(__GFP_NOWARN|GFP_NOWAIT, order); if (!out) { struct page *outp; diff --git a/drivers/md/bcache/bset.h b/drivers/md/bcache/bset.h index 5f6728d5d4dd..ae964624efb2 100644 --- a/drivers/md/bcache/bset.h +++ b/drivers/md/bcache/bset.h @@ -453,7 +453,7 @@ static inline bool bch_bkey_equal_header(const struct bkey *l, { return (KEY_DIRTY(l) == KEY_DIRTY(r) && KEY_PTRS(l) == KEY_PTRS(r) && - KEY_CSUM(l) == KEY_CSUM(l)); + KEY_CSUM(l) == KEY_CSUM(r)); } /* Keylists */ diff --git a/drivers/md/bcache/btree.c b/drivers/md/bcache/btree.c index 7347b6100961..00cde40db572 100644 --- a/drivers/md/bcache/btree.c +++ b/drivers/md/bcache/btree.c @@ -117,9 +117,9 @@ ({ \ int _r, l = (b)->level - 1; \ bool _w = l <= (op)->lock; \ - struct btree *_child = bch_btree_node_get((b)->c, op, key, l, _w);\ + struct btree *_child = bch_btree_node_get((b)->c, op, key, l, \ + _w, b); \ if (!IS_ERR(_child)) { \ - _child->parent = (b); \ _r = bch_btree_ ## fn(_child, op, ##__VA_ARGS__); \ rw_unlock(_w, _child); \ } else \ @@ -142,7 +142,6 @@ rw_lock(_w, _b, _b->level); \ if (_b == (c)->root && \ _w == insert_lock(op, _b)) { \ - _b->parent = NULL; \ _r = bch_btree_ ## fn(_b, op, ##__VA_ARGS__); \ } \ rw_unlock(_w, _b); \ @@ -202,7 +201,7 @@ void bch_btree_node_read_done(struct btree *b) struct bset *i = btree_bset_first(b); struct btree_iter *iter; - iter = mempool_alloc(b->c->fill_iter, GFP_NOWAIT); + iter = mempool_alloc(b->c->fill_iter, GFP_NOIO); iter->size = b->c->sb.bucket_size / b->c->sb.block_size; iter->used = 0; @@ -421,7 +420,7 @@ static void do_btree_node_write(struct btree *b) SET_PTR_OFFSET(&k.key, 0, PTR_OFFSET(&k.key, 0) + bset_sector_offset(&b->keys, i)); - if (!bio_alloc_pages(b->bio, GFP_NOIO)) { + if (!bio_alloc_pages(b->bio, __GFP_NOWARN|GFP_NOWAIT)) { int j; struct bio_vec *bv; void *base = (void *) ((unsigned long) i & ~(PAGE_SIZE - 1)); @@ -967,7 +966,8 @@ err: * level and op->lock. */ struct btree *bch_btree_node_get(struct cache_set *c, struct btree_op *op, - struct bkey *k, int level, bool write) + struct bkey *k, int level, bool write, + struct btree *parent) { int i = 0; struct btree *b; @@ -1002,6 +1002,7 @@ retry: BUG_ON(b->level != level); } + b->parent = parent; b->accessed = 1; for (; i <= b->keys.nsets && b->keys.set[i].size; i++) { @@ -1022,15 +1023,16 @@ retry: return b; } -static void btree_node_prefetch(struct cache_set *c, struct bkey *k, int level) +static void btree_node_prefetch(struct btree *parent, struct bkey *k) { struct btree *b; - mutex_lock(&c->bucket_lock); - b = mca_alloc(c, NULL, k, level); - mutex_unlock(&c->bucket_lock); + mutex_lock(&parent->c->bucket_lock); + b = mca_alloc(parent->c, NULL, k, parent->level - 1); + mutex_unlock(&parent->c->bucket_lock); if (!IS_ERR_OR_NULL(b)) { + b->parent = parent; bch_btree_node_read(b); rw_unlock(true, b); } @@ -1060,15 +1062,16 @@ static void btree_node_free(struct btree *b) mutex_unlock(&b->c->bucket_lock); } -struct btree *bch_btree_node_alloc(struct cache_set *c, struct btree_op *op, - int level) +struct btree *__bch_btree_node_alloc(struct cache_set *c, struct btree_op *op, + int level, bool wait, + struct btree *parent) { BKEY_PADDED(key) k; struct btree *b = ERR_PTR(-EAGAIN); mutex_lock(&c->bucket_lock); retry: - if (__bch_bucket_alloc_set(c, RESERVE_BTREE, &k.key, 1, op != NULL)) + if (__bch_bucket_alloc_set(c, RESERVE_BTREE, &k.key, 1, wait)) goto err; bkey_put(c, &k.key); @@ -1085,6 +1088,7 @@ retry: } b->accessed = 1; + b->parent = parent; bch_bset_init_next(&b->keys, b->keys.set->data, bset_magic(&b->c->sb)); mutex_unlock(&c->bucket_lock); @@ -1096,14 +1100,21 @@ err_free: err: mutex_unlock(&c->bucket_lock); - trace_bcache_btree_node_alloc_fail(b); + trace_bcache_btree_node_alloc_fail(c); return b; } +static struct btree *bch_btree_node_alloc(struct cache_set *c, + struct btree_op *op, int level, + struct btree *parent) +{ + return __bch_btree_node_alloc(c, op, level, op != NULL, parent); +} + static struct btree *btree_node_alloc_replacement(struct btree *b, struct btree_op *op) { - struct btree *n = bch_btree_node_alloc(b->c, op, b->level); + struct btree *n = bch_btree_node_alloc(b->c, op, b->level, b->parent); if (!IS_ERR_OR_NULL(n)) { mutex_lock(&n->write_lock); bch_btree_sort_into(&b->keys, &n->keys, &b->c->sort); @@ -1403,6 +1414,7 @@ static int btree_gc_coalesce(struct btree *b, struct btree_op *op, BUG_ON(btree_bset_first(new_nodes[0])->keys); btree_node_free(new_nodes[0]); rw_unlock(true, new_nodes[0]); + new_nodes[0] = NULL; for (i = 0; i < nodes; i++) { if (__bch_keylist_realloc(&keylist, bkey_u64s(&r[i].b->key))) @@ -1516,7 +1528,7 @@ static int btree_gc_recurse(struct btree *b, struct btree_op *op, k = bch_btree_iter_next_filter(&iter, &b->keys, bch_ptr_bad); if (k) { r->b = bch_btree_node_get(b->c, op, k, b->level - 1, - true); + true, b); if (IS_ERR(r->b)) { ret = PTR_ERR(r->b); break; @@ -1811,7 +1823,7 @@ static int bch_btree_check_recurse(struct btree *b, struct btree_op *op) k = bch_btree_iter_next_filter(&iter, &b->keys, bch_ptr_bad); if (k) - btree_node_prefetch(b->c, k, b->level - 1); + btree_node_prefetch(b, k); if (p) ret = btree(check_recurse, p, b, op); @@ -1976,12 +1988,12 @@ static int btree_split(struct btree *b, struct btree_op *op, trace_bcache_btree_node_split(b, btree_bset_first(n1)->keys); - n2 = bch_btree_node_alloc(b->c, op, b->level); + n2 = bch_btree_node_alloc(b->c, op, b->level, b->parent); if (IS_ERR(n2)) goto err_free1; if (!b->parent) { - n3 = bch_btree_node_alloc(b->c, op, b->level + 1); + n3 = bch_btree_node_alloc(b->c, op, b->level + 1, NULL); if (IS_ERR(n3)) goto err_free2; } diff --git a/drivers/md/bcache/btree.h b/drivers/md/bcache/btree.h index 91dfa5e69685..5c391fa01bed 100644 --- a/drivers/md/bcache/btree.h +++ b/drivers/md/bcache/btree.h @@ -242,9 +242,10 @@ void __bch_btree_node_write(struct btree *, struct closure *); void bch_btree_node_write(struct btree *, struct closure *); void bch_btree_set_root(struct btree *); -struct btree *bch_btree_node_alloc(struct cache_set *, struct btree_op *, int); +struct btree *__bch_btree_node_alloc(struct cache_set *, struct btree_op *, + int, bool, struct btree *); struct btree *bch_btree_node_get(struct cache_set *, struct btree_op *, - struct bkey *, int, bool); + struct bkey *, int, bool, struct btree *); int bch_btree_insert_check_key(struct btree *, struct btree_op *, struct bkey *); diff --git a/drivers/md/bcache/extents.c b/drivers/md/bcache/extents.c index 3a0de4cf9771..243de0bf15cd 100644 --- a/drivers/md/bcache/extents.c +++ b/drivers/md/bcache/extents.c @@ -474,9 +474,8 @@ out: return false; } -static bool bch_extent_invalid(struct btree_keys *bk, const struct bkey *k) +bool __bch_extent_invalid(struct cache_set *c, const struct bkey *k) { - struct btree *b = container_of(bk, struct btree, keys); char buf[80]; if (!KEY_SIZE(k)) @@ -485,16 +484,22 @@ static bool bch_extent_invalid(struct btree_keys *bk, const struct bkey *k) if (KEY_SIZE(k) > KEY_OFFSET(k)) goto bad; - if (__ptr_invalid(b->c, k)) + if (__ptr_invalid(c, k)) goto bad; return false; bad: bch_extent_to_text(buf, sizeof(buf), k); - cache_bug(b->c, "spotted extent %s: %s", buf, bch_ptr_status(b->c, k)); + cache_bug(c, "spotted extent %s: %s", buf, bch_ptr_status(c, k)); return true; } +static bool bch_extent_invalid(struct btree_keys *bk, const struct bkey *k) +{ + struct btree *b = container_of(bk, struct btree, keys); + return __bch_extent_invalid(b->c, k); +} + static bool bch_extent_bad_expensive(struct btree *b, const struct bkey *k, unsigned ptr) { diff --git a/drivers/md/bcache/extents.h b/drivers/md/bcache/extents.h index e4e23409782d..e2ed54054e7a 100644 --- a/drivers/md/bcache/extents.h +++ b/drivers/md/bcache/extents.h @@ -9,5 +9,6 @@ struct cache_set; void bch_extent_to_text(char *, size_t, const struct bkey *); bool __bch_btree_ptr_invalid(struct cache_set *, const struct bkey *); +bool __bch_extent_invalid(struct cache_set *, const struct bkey *); #endif /* _BCACHE_EXTENTS_H */ diff --git a/drivers/md/bcache/journal.c b/drivers/md/bcache/journal.c index 59e82021b5bb..fe080ad0e558 100644 --- a/drivers/md/bcache/journal.c +++ b/drivers/md/bcache/journal.c @@ -7,6 +7,7 @@ #include "bcache.h" #include "btree.h" #include "debug.h" +#include "extents.h" #include <trace/events/bcache.h> @@ -189,11 +190,15 @@ int bch_journal_read(struct cache_set *c, struct list_head *list) if (read_bucket(l)) goto bsearch; - if (list_empty(list)) + /* no journal entries on this device? */ + if (l == ca->sb.njournal_buckets) continue; bsearch: + BUG_ON(list_empty(list)); + /* Binary search */ - m = r = find_next_bit(bitmap, ca->sb.njournal_buckets, l + 1); + m = l; + r = find_next_bit(bitmap, ca->sb.njournal_buckets, l + 1); pr_debug("starting binary search, l %u r %u", l, r); while (l + 1 < r) { @@ -291,15 +296,16 @@ void bch_journal_mark(struct cache_set *c, struct list_head *list) for (k = i->j.start; k < bset_bkey_last(&i->j); - k = bkey_next(k)) { - unsigned j; + k = bkey_next(k)) + if (!__bch_extent_invalid(c, k)) { + unsigned j; - for (j = 0; j < KEY_PTRS(k); j++) - if (ptr_available(c, k, j)) - atomic_inc(&PTR_BUCKET(c, k, j)->pin); + for (j = 0; j < KEY_PTRS(k); j++) + if (ptr_available(c, k, j)) + atomic_inc(&PTR_BUCKET(c, k, j)->pin); - bch_initial_mark_key(c, 0, k); - } + bch_initial_mark_key(c, 0, k); + } } } diff --git a/drivers/md/bcache/request.c b/drivers/md/bcache/request.c index 15fff4f68a7c..62e6e98186b5 100644 --- a/drivers/md/bcache/request.c +++ b/drivers/md/bcache/request.c @@ -311,7 +311,8 @@ void bch_data_insert(struct closure *cl) { struct data_insert_op *op = container_of(cl, struct data_insert_op, cl); - trace_bcache_write(op->bio, op->writeback, op->bypass); + trace_bcache_write(op->c, op->inode, op->bio, + op->writeback, op->bypass); bch_keylist_init(&op->insert_keys); bio_get(op->bio); diff --git a/drivers/md/bcache/super.c b/drivers/md/bcache/super.c index 926ded8ccbf5..d4713d098a39 100644 --- a/drivers/md/bcache/super.c +++ b/drivers/md/bcache/super.c @@ -733,8 +733,6 @@ static void bcache_device_detach(struct bcache_device *d) static void bcache_device_attach(struct bcache_device *d, struct cache_set *c, unsigned id) { - BUG_ON(test_bit(CACHE_SET_STOPPING, &c->flags)); - d->id = id; d->c = c; c->devices[id] = d; @@ -927,6 +925,7 @@ static void cached_dev_detach_finish(struct work_struct *w) list_move(&dc->list, &uncached_devices); clear_bit(BCACHE_DEV_DETACHING, &dc->disk.flags); + clear_bit(BCACHE_DEV_UNLINK_DONE, &dc->disk.flags); mutex_unlock(&bch_register_lock); @@ -1041,6 +1040,9 @@ int bch_cached_dev_attach(struct cached_dev *dc, struct cache_set *c) */ atomic_set(&dc->count, 1); + if (bch_cached_dev_writeback_start(dc)) + return -ENOMEM; + if (BDEV_STATE(&dc->sb) == BDEV_STATE_DIRTY) { bch_sectors_dirty_init(dc); atomic_set(&dc->has_dirty, 1); @@ -1070,7 +1072,8 @@ static void cached_dev_free(struct closure *cl) struct cached_dev *dc = container_of(cl, struct cached_dev, disk.cl); cancel_delayed_work_sync(&dc->writeback_rate_update); - kthread_stop(dc->writeback_thread); + if (!IS_ERR_OR_NULL(dc->writeback_thread)) + kthread_stop(dc->writeback_thread); mutex_lock(&bch_register_lock); @@ -1081,12 +1084,8 @@ static void cached_dev_free(struct closure *cl) mutex_unlock(&bch_register_lock); - if (!IS_ERR_OR_NULL(dc->bdev)) { - if (dc->bdev->bd_disk) - blk_sync_queue(bdev_get_queue(dc->bdev)); - + if (!IS_ERR_OR_NULL(dc->bdev)) blkdev_put(dc->bdev, FMODE_READ|FMODE_WRITE|FMODE_EXCL); - } wake_up(&unregister_wait); @@ -1213,7 +1212,9 @@ void bch_flash_dev_release(struct kobject *kobj) static void flash_dev_free(struct closure *cl) { struct bcache_device *d = container_of(cl, struct bcache_device, cl); + mutex_lock(&bch_register_lock); bcache_device_free(d); + mutex_unlock(&bch_register_lock); kobject_put(&d->kobj); } @@ -1221,7 +1222,9 @@ static void flash_dev_flush(struct closure *cl) { struct bcache_device *d = container_of(cl, struct bcache_device, cl); + mutex_lock(&bch_register_lock); bcache_device_unlink(d); + mutex_unlock(&bch_register_lock); kobject_del(&d->kobj); continue_at(cl, flash_dev_free, system_wq); } @@ -1277,6 +1280,9 @@ int bch_flash_dev_create(struct cache_set *c, uint64_t size) if (test_bit(CACHE_SET_STOPPING, &c->flags)) return -EINTR; + if (!test_bit(CACHE_SET_RUNNING, &c->flags)) + return -EPERM; + u = uuid_find_empty(c); if (!u) { pr_err("Can't create volume, no room for UUID"); @@ -1346,8 +1352,11 @@ static void cache_set_free(struct closure *cl) bch_journal_free(c); for_each_cache(ca, c, i) - if (ca) + if (ca) { + ca->set = NULL; + c->cache[ca->sb.nr_this_dev] = NULL; kobject_put(&ca->kobj); + } bch_bset_sort_state_free(&c->sort); free_pages((unsigned long) c->uuids, ilog2(bucket_pages(c))); @@ -1405,9 +1414,11 @@ static void cache_set_flush(struct closure *cl) if (ca->alloc_thread) kthread_stop(ca->alloc_thread); - cancel_delayed_work_sync(&c->journal.work); - /* flush last journal entry if needed */ - c->journal.work.work.func(&c->journal.work.work); + if (c->journal.cur) { + cancel_delayed_work_sync(&c->journal.work); + /* flush last journal entry if needed */ + c->journal.work.work.func(&c->journal.work.work); + } closure_return(cl); } @@ -1586,7 +1597,7 @@ static void run_cache_set(struct cache_set *c) goto err; err = "error reading btree root"; - c->root = bch_btree_node_get(c, NULL, k, j->btree_level, true); + c->root = bch_btree_node_get(c, NULL, k, j->btree_level, true, NULL); if (IS_ERR_OR_NULL(c->root)) goto err; @@ -1661,7 +1672,7 @@ static void run_cache_set(struct cache_set *c) goto err; err = "cannot allocate new btree root"; - c->root = bch_btree_node_alloc(c, NULL, 0); + c->root = __bch_btree_node_alloc(c, NULL, 0, true, NULL); if (IS_ERR_OR_NULL(c->root)) goto err; @@ -1697,6 +1708,7 @@ static void run_cache_set(struct cache_set *c) flash_devs_run(c); + set_bit(CACHE_SET_RUNNING, &c->flags); return; err: closure_sync(&cl); @@ -1760,6 +1772,7 @@ found: pr_debug("set version = %llu", c->sb.version); } + kobject_get(&ca->kobj); ca->set = c; ca->set->cache[ca->sb.nr_this_dev] = ca; c->cache_by_alloc[c->caches_loaded++] = ca; @@ -1780,8 +1793,10 @@ void bch_cache_release(struct kobject *kobj) struct cache *ca = container_of(kobj, struct cache, kobj); unsigned i; - if (ca->set) + if (ca->set) { + BUG_ON(ca->set->cache[ca->sb.nr_this_dev] != ca); ca->set->cache[ca->sb.nr_this_dev] = NULL; + } bio_split_pool_free(&ca->bio_split_hook); @@ -1798,10 +1813,8 @@ void bch_cache_release(struct kobject *kobj) if (ca->sb_bio.bi_inline_vecs[0].bv_page) put_page(ca->sb_bio.bi_io_vec[0].bv_page); - if (!IS_ERR_OR_NULL(ca->bdev)) { - blk_sync_queue(bdev_get_queue(ca->bdev)); + if (!IS_ERR_OR_NULL(ca->bdev)) blkdev_put(ca->bdev, FMODE_READ|FMODE_WRITE|FMODE_EXCL); - } kfree(ca); module_put(THIS_MODULE); @@ -1844,7 +1857,7 @@ static int cache_alloc(struct cache_sb *sb, struct cache *ca) } static void register_cache(struct cache_sb *sb, struct page *sb_page, - struct block_device *bdev, struct cache *ca) + struct block_device *bdev, struct cache *ca) { char name[BDEVNAME_SIZE]; const char *err = "cannot allocate memory"; @@ -1877,10 +1890,12 @@ static void register_cache(struct cache_sb *sb, struct page *sb_page, goto err; pr_info("registered cache device %s", bdevname(bdev, name)); +out: + kobject_put(&ca->kobj); return; err: pr_notice("error opening %s: %s", bdevname(bdev, name), err); - kobject_put(&ca->kobj); + goto out; } /* Global interfaces/init */ @@ -1945,10 +1960,12 @@ static ssize_t register_bcache(struct kobject *k, struct kobj_attribute *attr, if (IS_ERR(bdev)) { if (bdev == ERR_PTR(-EBUSY)) { bdev = lookup_bdev(strim(path)); + mutex_lock(&bch_register_lock); if (!IS_ERR(bdev) && bch_is_open(bdev)) err = "device already registered"; else err = "device busy"; + mutex_unlock(&bch_register_lock); } goto err; } diff --git a/drivers/md/bcache/util.h b/drivers/md/bcache/util.h index ac7d0d1f70d7..98df7572b5f7 100644 --- a/drivers/md/bcache/util.h +++ b/drivers/md/bcache/util.h @@ -416,8 +416,8 @@ do { \ average_frequency, frequency_units); \ __print_time_stat(stats, name, \ average_duration, duration_units); \ - __print_time_stat(stats, name, \ - max_duration, duration_units); \ + sysfs_print(name ## _ ##max_duration ## _ ## duration_units, \ + div_u64((stats)->max_duration, NSEC_PER_ ## duration_units));\ \ sysfs_print(name ## _last_ ## frequency_units, (stats)->last \ ? div_s64(local_clock() - (stats)->last, \ diff --git a/drivers/md/bcache/writeback.c b/drivers/md/bcache/writeback.c index f4300e4c0114..f1986bcd1bf0 100644 --- a/drivers/md/bcache/writeback.c +++ b/drivers/md/bcache/writeback.c @@ -239,7 +239,7 @@ static void read_dirty(struct cached_dev *dc) if (KEY_START(&w->key) != dc->last_read || jiffies_to_msecs(delay) > 50) while (!kthread_should_stop() && delay) - delay = schedule_timeout_uninterruptible(delay); + delay = schedule_timeout_interruptible(delay); dc->last_read = KEY_OFFSET(&w->key); @@ -436,7 +436,7 @@ static int bch_writeback_thread(void *arg) while (delay && !kthread_should_stop() && !test_bit(BCACHE_DEV_DETACHING, &dc->disk.flags)) - delay = schedule_timeout_uninterruptible(delay); + delay = schedule_timeout_interruptible(delay); } } @@ -478,7 +478,7 @@ void bch_sectors_dirty_init(struct cached_dev *dc) dc->disk.sectors_dirty_last = bcache_dev_sectors_dirty(&dc->disk); } -int bch_cached_dev_writeback_init(struct cached_dev *dc) +void bch_cached_dev_writeback_init(struct cached_dev *dc) { sema_init(&dc->in_flight, 64); init_rwsem(&dc->writeback_lock); @@ -494,14 +494,20 @@ int bch_cached_dev_writeback_init(struct cached_dev *dc) dc->writeback_rate_d_term = 30; dc->writeback_rate_p_term_inverse = 6000; + INIT_DELAYED_WORK(&dc->writeback_rate_update, update_writeback_rate); +} + +int bch_cached_dev_writeback_start(struct cached_dev *dc) +{ dc->writeback_thread = kthread_create(bch_writeback_thread, dc, "bcache_writeback"); if (IS_ERR(dc->writeback_thread)) return PTR_ERR(dc->writeback_thread); - INIT_DELAYED_WORK(&dc->writeback_rate_update, update_writeback_rate); schedule_delayed_work(&dc->writeback_rate_update, dc->writeback_rate_update_seconds * HZ); + bch_writeback_queue(dc); + return 0; } diff --git a/drivers/md/bcache/writeback.h b/drivers/md/bcache/writeback.h index e2f8598937ac..0a9dab187b79 100644 --- a/drivers/md/bcache/writeback.h +++ b/drivers/md/bcache/writeback.h @@ -85,6 +85,7 @@ static inline void bch_writeback_add(struct cached_dev *dc) void bcache_dev_sectors_dirty_add(struct cache_set *, unsigned, uint64_t, int); void bch_sectors_dirty_init(struct cached_dev *dc); -int bch_cached_dev_writeback_init(struct cached_dev *); +void bch_cached_dev_writeback_init(struct cached_dev *); +int bch_cached_dev_writeback_start(struct cached_dev *); #endif diff --git a/drivers/md/dm-cache-metadata.c b/drivers/md/dm-cache-metadata.c index d2899e7eb3aa..06709257adde 100644 --- a/drivers/md/dm-cache-metadata.c +++ b/drivers/md/dm-cache-metadata.c @@ -330,7 +330,7 @@ static int __write_initial_superblock(struct dm_cache_metadata *cmd) disk_super->discard_root = cpu_to_le64(cmd->discard_root); disk_super->discard_block_size = cpu_to_le64(cmd->discard_block_size); disk_super->discard_nr_blocks = cpu_to_le64(from_oblock(cmd->discard_nr_blocks)); - disk_super->metadata_block_size = cpu_to_le32(DM_CACHE_METADATA_BLOCK_SIZE >> SECTOR_SHIFT); + disk_super->metadata_block_size = cpu_to_le32(DM_CACHE_METADATA_BLOCK_SIZE); disk_super->data_block_size = cpu_to_le32(cmd->data_block_size); disk_super->cache_blocks = cpu_to_le32(0); @@ -478,7 +478,7 @@ static int __create_persistent_data_objects(struct dm_cache_metadata *cmd, bool may_format_device) { int r; - cmd->bm = dm_block_manager_create(cmd->bdev, DM_CACHE_METADATA_BLOCK_SIZE, + cmd->bm = dm_block_manager_create(cmd->bdev, DM_CACHE_METADATA_BLOCK_SIZE << SECTOR_SHIFT, CACHE_METADATA_CACHE_SIZE, CACHE_MAX_CONCURRENT_LOCKS); if (IS_ERR(cmd->bm)) { diff --git a/drivers/md/dm-cache-metadata.h b/drivers/md/dm-cache-metadata.h index cd70a78623a3..7383c90ccdb8 100644 --- a/drivers/md/dm-cache-metadata.h +++ b/drivers/md/dm-cache-metadata.h @@ -9,19 +9,17 @@ #include "dm-cache-block-types.h" #include "dm-cache-policy-internal.h" +#include "persistent-data/dm-space-map-metadata.h" /*----------------------------------------------------------------*/ -#define DM_CACHE_METADATA_BLOCK_SIZE 4096 +#define DM_CACHE_METADATA_BLOCK_SIZE DM_SM_METADATA_BLOCK_SIZE /* FIXME: remove this restriction */ /* * The metadata device is currently limited in size. - * - * We have one block of index, which can hold 255 index entries. Each - * index entry contains allocation info about 16k metadata blocks. */ -#define DM_CACHE_METADATA_MAX_SECTORS (255 * (1 << 14) * (DM_CACHE_METADATA_BLOCK_SIZE / (1 << SECTOR_SHIFT))) +#define DM_CACHE_METADATA_MAX_SECTORS DM_SM_METADATA_MAX_SECTORS /* * A metadata device larger than 16GB triggers a warning. diff --git a/drivers/md/dm-cache-target.c b/drivers/md/dm-cache-target.c index 2c63326638b6..1af40ee209e2 100644 --- a/drivers/md/dm-cache-target.c +++ b/drivers/md/dm-cache-target.c @@ -718,6 +718,22 @@ static int bio_triggers_commit(struct cache *cache, struct bio *bio) return bio->bi_rw & (REQ_FLUSH | REQ_FUA); } +/* + * You must increment the deferred set whilst the prison cell is held. To + * encourage this, we ask for 'cell' to be passed in. + */ +static void inc_ds(struct cache *cache, struct bio *bio, + struct dm_bio_prison_cell *cell) +{ + size_t pb_data_size = get_per_bio_data_size(cache); + struct per_bio_data *pb = get_per_bio_data(bio, pb_data_size); + + BUG_ON(!cell); + BUG_ON(pb->all_io_entry); + + pb->all_io_entry = dm_deferred_entry_inc(cache->all_io_ds); +} + static void issue(struct cache *cache, struct bio *bio) { unsigned long flags; @@ -737,6 +753,12 @@ static void issue(struct cache *cache, struct bio *bio) spin_unlock_irqrestore(&cache->lock, flags); } +static void inc_and_issue(struct cache *cache, struct bio *bio, struct dm_bio_prison_cell *cell) +{ + inc_ds(cache, bio, cell); + issue(cache, bio); +} + static void defer_writethrough_bio(struct cache *cache, struct bio *bio) { unsigned long flags; @@ -1015,6 +1037,11 @@ static void issue_overwrite(struct dm_cache_migration *mg, struct bio *bio) dm_hook_bio(&pb->hook_info, bio, overwrite_endio, mg); remap_to_cache_dirty(mg->cache, bio, mg->new_oblock, mg->cblock); + + /* + * No need to inc_ds() here, since the cell will be held for the + * duration of the io. + */ generic_make_request(bio); } @@ -1115,8 +1142,7 @@ static void check_for_quiesced_migrations(struct cache *cache, return; INIT_LIST_HEAD(&work); - if (pb->all_io_entry) - dm_deferred_entry_dec(pb->all_io_entry, &work); + dm_deferred_entry_dec(pb->all_io_entry, &work); if (!list_empty(&work)) queue_quiesced_migrations(cache, &work); @@ -1252,6 +1278,11 @@ static void process_flush_bio(struct cache *cache, struct bio *bio) else remap_to_cache(cache, bio, 0); + /* + * REQ_FLUSH is not directed at any particular block so we don't + * need to inc_ds(). REQ_FUA's are split into a write + REQ_FLUSH + * by dm-core. + */ issue(cache, bio); } @@ -1301,15 +1332,6 @@ static void inc_miss_counter(struct cache *cache, struct bio *bio) &cache->stats.read_miss : &cache->stats.write_miss); } -static void issue_cache_bio(struct cache *cache, struct bio *bio, - struct per_bio_data *pb, - dm_oblock_t oblock, dm_cblock_t cblock) -{ - pb->all_io_entry = dm_deferred_entry_inc(cache->all_io_ds); - remap_to_cache_dirty(cache, bio, oblock, cblock); - issue(cache, bio); -} - static void process_bio(struct cache *cache, struct prealloc *structs, struct bio *bio) { @@ -1318,8 +1340,6 @@ static void process_bio(struct cache *cache, struct prealloc *structs, dm_oblock_t block = get_bio_block(cache, bio); struct dm_bio_prison_cell *cell_prealloc, *old_ocell, *new_ocell; struct policy_result lookup_result; - size_t pb_data_size = get_per_bio_data_size(cache); - struct per_bio_data *pb = get_per_bio_data(bio, pb_data_size); bool discarded_block = is_discarded_oblock(cache, block); bool passthrough = passthrough_mode(&cache->features); bool can_migrate = !passthrough && (discarded_block || spare_migration_bandwidth(cache)); @@ -1359,9 +1379,8 @@ static void process_bio(struct cache *cache, struct prealloc *structs, } else { /* FIXME: factor out issue_origin() */ - pb->all_io_entry = dm_deferred_entry_inc(cache->all_io_ds); remap_to_origin_clear_discard(cache, bio, block); - issue(cache, bio); + inc_and_issue(cache, bio, new_ocell); } } else { inc_hit_counter(cache, bio); @@ -1369,20 +1388,21 @@ static void process_bio(struct cache *cache, struct prealloc *structs, if (bio_data_dir(bio) == WRITE && writethrough_mode(&cache->features) && !is_dirty(cache, lookup_result.cblock)) { - pb->all_io_entry = dm_deferred_entry_inc(cache->all_io_ds); remap_to_origin_then_cache(cache, bio, block, lookup_result.cblock); - issue(cache, bio); - } else - issue_cache_bio(cache, bio, pb, block, lookup_result.cblock); + inc_and_issue(cache, bio, new_ocell); + + } else { + remap_to_cache_dirty(cache, bio, block, lookup_result.cblock); + inc_and_issue(cache, bio, new_ocell); + } } break; case POLICY_MISS: inc_miss_counter(cache, bio); - pb->all_io_entry = dm_deferred_entry_inc(cache->all_io_ds); remap_to_origin_clear_discard(cache, bio, block); - issue(cache, bio); + inc_and_issue(cache, bio, new_ocell); break; case POLICY_NEW: @@ -1501,6 +1521,9 @@ static void process_deferred_flush_bios(struct cache *cache, bool submit_bios) bio_list_init(&cache->deferred_flush_bios); spin_unlock_irqrestore(&cache->lock, flags); + /* + * These bios have already been through inc_ds() + */ while ((bio = bio_list_pop(&bios))) submit_bios ? generic_make_request(bio) : bio_io_error(bio); } @@ -1518,6 +1541,9 @@ static void process_deferred_writethrough_bios(struct cache *cache) bio_list_init(&cache->deferred_writethrough_bios); spin_unlock_irqrestore(&cache->lock, flags); + /* + * These bios have already been through inc_ds() + */ while ((bio = bio_list_pop(&bios))) generic_make_request(bio); } @@ -1694,6 +1720,7 @@ static void do_worker(struct work_struct *ws) if (commit_if_needed(cache)) { process_deferred_flush_bios(cache, false); + process_migrations(cache, &cache->need_commit_migrations, migration_failure); /* * FIXME: rollback metadata or just go into a @@ -2406,16 +2433,13 @@ out: return r; } -static int cache_map(struct dm_target *ti, struct bio *bio) +static int __cache_map(struct cache *cache, struct bio *bio, struct dm_bio_prison_cell **cell) { - struct cache *cache = ti->private; - int r; dm_oblock_t block = get_bio_block(cache, bio); size_t pb_data_size = get_per_bio_data_size(cache); bool can_migrate = false; bool discarded_block; - struct dm_bio_prison_cell *cell; struct policy_result lookup_result; struct per_bio_data *pb = init_per_bio_data(bio, pb_data_size); @@ -2437,15 +2461,15 @@ static int cache_map(struct dm_target *ti, struct bio *bio) /* * Check to see if that block is currently migrating. */ - cell = alloc_prison_cell(cache); - if (!cell) { + *cell = alloc_prison_cell(cache); + if (!*cell) { defer_bio(cache, bio); return DM_MAPIO_SUBMITTED; } - r = bio_detain(cache, block, bio, cell, + r = bio_detain(cache, block, bio, *cell, (cell_free_fn) free_prison_cell, - cache, &cell); + cache, cell); if (r) { if (r < 0) defer_bio(cache, bio); @@ -2458,11 +2482,12 @@ static int cache_map(struct dm_target *ti, struct bio *bio) r = policy_map(cache->policy, block, false, can_migrate, discarded_block, bio, &lookup_result); if (r == -EWOULDBLOCK) { - cell_defer(cache, cell, true); + cell_defer(cache, *cell, true); return DM_MAPIO_SUBMITTED; } else if (r) { DMERR_LIMIT("Unexpected return from cache replacement policy: %d", r); + cell_defer(cache, *cell, false); bio_io_error(bio); return DM_MAPIO_SUBMITTED; } @@ -2476,52 +2501,44 @@ static int cache_map(struct dm_target *ti, struct bio *bio) * We need to invalidate this block, so * defer for the worker thread. */ - cell_defer(cache, cell, true); + cell_defer(cache, *cell, true); r = DM_MAPIO_SUBMITTED; } else { - pb->all_io_entry = dm_deferred_entry_inc(cache->all_io_ds); inc_miss_counter(cache, bio); remap_to_origin_clear_discard(cache, bio, block); - - cell_defer(cache, cell, false); } } else { inc_hit_counter(cache, bio); - pb->all_io_entry = dm_deferred_entry_inc(cache->all_io_ds); - if (bio_data_dir(bio) == WRITE && writethrough_mode(&cache->features) && !is_dirty(cache, lookup_result.cblock)) remap_to_origin_then_cache(cache, bio, block, lookup_result.cblock); else remap_to_cache_dirty(cache, bio, block, lookup_result.cblock); - - cell_defer(cache, cell, false); } break; case POLICY_MISS: inc_miss_counter(cache, bio); - pb->all_io_entry = dm_deferred_entry_inc(cache->all_io_ds); - if (pb->req_nr != 0) { /* * This is a duplicate writethrough io that is no * longer needed because the block has been demoted. */ bio_endio(bio, 0); - cell_defer(cache, cell, false); - return DM_MAPIO_SUBMITTED; - } else { + cell_defer(cache, *cell, false); + r = DM_MAPIO_SUBMITTED; + + } else remap_to_origin_clear_discard(cache, bio, block); - cell_defer(cache, cell, false); - } + break; default: DMERR_LIMIT("%s: erroring bio: unknown policy op: %u", __func__, (unsigned) lookup_result.op); + cell_defer(cache, *cell, false); bio_io_error(bio); r = DM_MAPIO_SUBMITTED; } @@ -2529,6 +2546,21 @@ static int cache_map(struct dm_target *ti, struct bio *bio) return r; } +static int cache_map(struct dm_target *ti, struct bio *bio) +{ + int r; + struct dm_bio_prison_cell *cell; + struct cache *cache = ti->private; + + r = __cache_map(cache, bio, &cell); + if (r == DM_MAPIO_REMAPPED) { + inc_ds(cache, bio, cell); + cell_defer(cache, cell, false); + } + + return r; +} + static int cache_end_io(struct dm_target *ti, struct bio *bio, int error) { struct cache *cache = ti->private; @@ -2808,7 +2840,7 @@ static void cache_status(struct dm_target *ti, status_type_t type, residency = policy_residency(cache->policy); DMEMIT("%u %llu/%llu %u %llu/%llu %u %u %u %u %u %u %lu ", - (unsigned)(DM_CACHE_METADATA_BLOCK_SIZE >> SECTOR_SHIFT), + (unsigned)DM_CACHE_METADATA_BLOCK_SIZE, (unsigned long long)(nr_blocks_metadata - nr_free_blocks_metadata), (unsigned long long)nr_blocks_metadata, cache->sectors_per_block, @@ -3062,7 +3094,7 @@ static void cache_io_hints(struct dm_target *ti, struct queue_limits *limits) */ if (io_opt_sectors < cache->sectors_per_block || do_div(io_opt_sectors, cache->sectors_per_block)) { - blk_limits_io_min(limits, 0); + blk_limits_io_min(limits, cache->sectors_per_block << SECTOR_SHIFT); blk_limits_io_opt(limits, cache->sectors_per_block << SECTOR_SHIFT); } set_discard_limits(cache, limits); @@ -3072,7 +3104,7 @@ static void cache_io_hints(struct dm_target *ti, struct queue_limits *limits) static struct target_type cache_target = { .name = "cache", - .version = {1, 4, 0}, + .version = {1, 5, 0}, .module = THIS_MODULE, .ctr = cache_ctr, .dtr = cache_dtr, diff --git a/drivers/md/dm-crypt.c b/drivers/md/dm-crypt.c index 4cba2d808afb..2785007e0e46 100644 --- a/drivers/md/dm-crypt.c +++ b/drivers/md/dm-crypt.c @@ -59,7 +59,7 @@ struct dm_crypt_io { int error; sector_t sector; struct dm_crypt_io *base_io; -}; +} CRYPTO_MINALIGN_ATTR; struct dm_crypt_request { struct convert_context *ctx; @@ -162,6 +162,8 @@ struct crypt_config { */ unsigned int dmreq_start; + unsigned int per_bio_data_size; + unsigned long flags; unsigned int key_size; unsigned int key_parts; /* independent parts in key buffer */ @@ -895,6 +897,15 @@ static void crypt_alloc_req(struct crypt_config *cc, kcryptd_async_done, dmreq_of_req(cc, ctx->req)); } +static void crypt_free_req(struct crypt_config *cc, + struct ablkcipher_request *req, struct bio *base_bio) +{ + struct dm_crypt_io *io = dm_per_bio_data(base_bio, cc->per_bio_data_size); + + if ((struct ablkcipher_request *)(io + 1) != req) + mempool_free(req, cc->req_pool); +} + /* * Encrypt / decrypt data from one bio to another one (can be the same one) */ @@ -1008,12 +1019,9 @@ static void crypt_free_buffer_pages(struct crypt_config *cc, struct bio *clone) } } -static struct dm_crypt_io *crypt_io_alloc(struct crypt_config *cc, - struct bio *bio, sector_t sector) +static void crypt_io_init(struct dm_crypt_io *io, struct crypt_config *cc, + struct bio *bio, sector_t sector) { - struct dm_crypt_io *io; - - io = mempool_alloc(cc->io_pool, GFP_NOIO); io->cc = cc; io->base_bio = bio; io->sector = sector; @@ -1021,8 +1029,6 @@ static struct dm_crypt_io *crypt_io_alloc(struct crypt_config *cc, io->base_io = NULL; io->ctx.req = NULL; atomic_set(&io->io_pending, 0); - - return io; } static void crypt_inc_pending(struct dm_crypt_io *io) @@ -1046,8 +1052,9 @@ static void crypt_dec_pending(struct dm_crypt_io *io) return; if (io->ctx.req) - mempool_free(io->ctx.req, cc->req_pool); - mempool_free(io, cc->io_pool); + crypt_free_req(cc, io->ctx.req, base_bio); + if (io != dm_per_bio_data(base_bio, cc->per_bio_data_size)) + mempool_free(io, cc->io_pool); if (likely(!base_io)) bio_endio(base_bio, error); @@ -1255,8 +1262,8 @@ static void kcryptd_crypt_write_convert(struct dm_crypt_io *io) * between fragments, so switch to a new dm_crypt_io structure. */ if (unlikely(!crypt_finished && remaining)) { - new_io = crypt_io_alloc(io->cc, io->base_bio, - sector); + new_io = mempool_alloc(cc->io_pool, GFP_NOIO); + crypt_io_init(new_io, io->cc, io->base_bio, sector); crypt_inc_pending(new_io); crypt_convert_init(cc, &new_io->ctx, NULL, io->base_bio, sector); @@ -1325,7 +1332,7 @@ static void kcryptd_async_done(struct crypto_async_request *async_req, if (error < 0) io->error = -EIO; - mempool_free(req_of_dmreq(cc, dmreq), cc->req_pool); + crypt_free_req(cc, req_of_dmreq(cc, dmreq), io->base_bio); if (!atomic_dec_and_test(&ctx->cc_pending)) return; @@ -1728,6 +1735,10 @@ static int crypt_ctr(struct dm_target *ti, unsigned int argc, char **argv) goto bad; } + cc->per_bio_data_size = ti->per_bio_data_size = + sizeof(struct dm_crypt_io) + cc->dmreq_start + + sizeof(struct dm_crypt_request) + cc->iv_size; + cc->page_pool = mempool_create_page_pool(MIN_POOL_PAGES, 0); if (!cc->page_pool) { ti->error = "Cannot allocate page mempool"; @@ -1824,7 +1835,9 @@ static int crypt_map(struct dm_target *ti, struct bio *bio) return DM_MAPIO_REMAPPED; } - io = crypt_io_alloc(cc, bio, dm_target_offset(ti, bio->bi_iter.bi_sector)); + io = dm_per_bio_data(bio, cc->per_bio_data_size); + crypt_io_init(io, cc, bio, dm_target_offset(ti, bio->bi_iter.bi_sector)); + io->ctx.req = (struct ablkcipher_request *)(io + 1); if (bio_data_dir(io->base_bio) == READ) { if (kcryptd_io_read(io, GFP_NOWAIT)) diff --git a/drivers/md/dm-io.c b/drivers/md/dm-io.c index db404a0f7e2c..c09359db3a90 100644 --- a/drivers/md/dm-io.c +++ b/drivers/md/dm-io.c @@ -33,7 +33,6 @@ struct dm_io_client { struct io { unsigned long error_bits; atomic_t count; - struct completion *wait; struct dm_io_client *client; io_notify_fn callback; void *context; @@ -112,28 +111,27 @@ static void retrieve_io_and_region_from_bio(struct bio *bio, struct io **io, * We need an io object to keep track of the number of bios that * have been dispatched for a particular io. *---------------------------------------------------------------*/ -static void dec_count(struct io *io, unsigned int region, int error) +static void complete_io(struct io *io) { - if (error) - set_bit(region, &io->error_bits); + unsigned long error_bits = io->error_bits; + io_notify_fn fn = io->callback; + void *context = io->context; - if (atomic_dec_and_test(&io->count)) { - if (io->vma_invalidate_size) - invalidate_kernel_vmap_range(io->vma_invalidate_address, - io->vma_invalidate_size); + if (io->vma_invalidate_size) + invalidate_kernel_vmap_range(io->vma_invalidate_address, + io->vma_invalidate_size); - if (io->wait) - complete(io->wait); + mempool_free(io, io->client->pool); + fn(error_bits, context); +} - else { - unsigned long r = io->error_bits; - io_notify_fn fn = io->callback; - void *context = io->context; +static void dec_count(struct io *io, unsigned int region, int error) +{ + if (error) + set_bit(region, &io->error_bits); - mempool_free(io, io->client->pool); - fn(r, context); - } - } + if (atomic_dec_and_test(&io->count)) + complete_io(io); } static void endio(struct bio *bio, int error) @@ -376,41 +374,51 @@ static void dispatch_io(int rw, unsigned int num_regions, dec_count(io, 0, 0); } +struct sync_io { + unsigned long error_bits; + struct completion wait; +}; + +static void sync_io_complete(unsigned long error, void *context) +{ + struct sync_io *sio = context; + + sio->error_bits = error; + complete(&sio->wait); +} + static int sync_io(struct dm_io_client *client, unsigned int num_regions, struct dm_io_region *where, int rw, struct dpages *dp, unsigned long *error_bits) { - /* - * gcc <= 4.3 can't do the alignment for stack variables, so we must - * align it on our own. - * volatile prevents the optimizer from removing or reusing - * "io_" field from the stack frame (allowed in ANSI C). - */ - volatile char io_[sizeof(struct io) + __alignof__(struct io) - 1]; - struct io *io = (struct io *)PTR_ALIGN(&io_, __alignof__(struct io)); - DECLARE_COMPLETION_ONSTACK(wait); + struct io *io; + struct sync_io sio; if (num_regions > 1 && (rw & RW_MASK) != WRITE) { WARN_ON(1); return -EIO; } + init_completion(&sio.wait); + + io = mempool_alloc(client->pool, GFP_NOIO); io->error_bits = 0; atomic_set(&io->count, 1); /* see dispatch_io() */ - io->wait = &wait; io->client = client; + io->callback = sync_io_complete; + io->context = &sio; io->vma_invalidate_address = dp->vma_invalidate_address; io->vma_invalidate_size = dp->vma_invalidate_size; dispatch_io(rw, num_regions, where, dp, io, 1); - wait_for_completion_io(&wait); + wait_for_completion_io(&sio.wait); if (error_bits) - *error_bits = io->error_bits; + *error_bits = sio.error_bits; - return io->error_bits ? -EIO : 0; + return sio.error_bits ? -EIO : 0; } static int async_io(struct dm_io_client *client, unsigned int num_regions, @@ -428,7 +436,6 @@ static int async_io(struct dm_io_client *client, unsigned int num_regions, io = mempool_alloc(client->pool, GFP_NOIO); io->error_bits = 0; atomic_set(&io->count, 1); /* see dispatch_io() */ - io->wait = NULL; io->client = client; io->callback = fn; io->context = context; @@ -481,9 +488,9 @@ static int dp_init(struct dm_io_request *io_req, struct dpages *dp, * New collapsed (a)synchronous interface. * * If the IO is asynchronous (i.e. it has notify.fn), you must either unplug - * the queue with blk_unplug() some time later or set REQ_SYNC in -io_req->bi_rw. If you fail to do one of these, the IO will be submitted to - * the disk after q->unplug_delay, which defaults to 3ms in blk-settings.c. + * the queue with blk_unplug() some time later or set REQ_SYNC in io_req->bi_rw. + * If you fail to do one of these, the IO will be submitted to the disk after + * q->unplug_delay, which defaults to 3ms in blk-settings.c. */ int dm_io(struct dm_io_request *io_req, unsigned num_regions, struct dm_io_region *where, unsigned long *sync_error_bits) diff --git a/drivers/md/dm-mpath.c b/drivers/md/dm-mpath.c index f4167b013d99..833d7e752f06 100644 --- a/drivers/md/dm-mpath.c +++ b/drivers/md/dm-mpath.c @@ -373,8 +373,6 @@ static int __must_push_back(struct multipath *m) dm_noflush_suspending(m->ti))); } -#define pg_ready(m) (!(m)->queue_io && !(m)->pg_init_required) - /* * Map cloned requests */ @@ -402,11 +400,11 @@ static int multipath_map(struct dm_target *ti, struct request *clone, if (!__must_push_back(m)) r = -EIO; /* Failed */ goto out_unlock; - } - if (!pg_ready(m)) { + } else if (m->queue_io || m->pg_init_required) { __pg_init_all_paths(m); goto out_unlock; } + if (set_mapinfo(m, map_context) < 0) /* ENOMEM, requeue */ goto out_unlock; diff --git a/drivers/md/dm-switch.c b/drivers/md/dm-switch.c index 09a688b3d48c..50fca469cafd 100644 --- a/drivers/md/dm-switch.c +++ b/drivers/md/dm-switch.c @@ -137,13 +137,23 @@ static void switch_get_position(struct switch_ctx *sctx, unsigned long region_nr *bit *= sctx->region_table_entry_bits; } +static unsigned switch_region_table_read(struct switch_ctx *sctx, unsigned long region_nr) +{ + unsigned long region_index; + unsigned bit; + + switch_get_position(sctx, region_nr, ®ion_index, &bit); + + return (ACCESS_ONCE(sctx->region_table[region_index]) >> bit) & + ((1 << sctx->region_table_entry_bits) - 1); +} + /* * Find which path to use at given offset. */ static unsigned switch_get_path_nr(struct switch_ctx *sctx, sector_t offset) { - unsigned long region_index; - unsigned bit, path_nr; + unsigned path_nr; sector_t p; p = offset; @@ -152,9 +162,7 @@ static unsigned switch_get_path_nr(struct switch_ctx *sctx, sector_t offset) else sector_div(p, sctx->region_size); - switch_get_position(sctx, p, ®ion_index, &bit); - path_nr = (ACCESS_ONCE(sctx->region_table[region_index]) >> bit) & - ((1 << sctx->region_table_entry_bits) - 1); + path_nr = switch_region_table_read(sctx, p); /* This can only happen if the processor uses non-atomic stores. */ if (unlikely(path_nr >= sctx->nr_paths)) @@ -363,7 +371,7 @@ static __always_inline unsigned long parse_hex(const char **string) } static int process_set_region_mappings(struct switch_ctx *sctx, - unsigned argc, char **argv) + unsigned argc, char **argv) { unsigned i; unsigned long region_index = 0; @@ -372,6 +380,51 @@ static int process_set_region_mappings(struct switch_ctx *sctx, unsigned long path_nr; const char *string = argv[i]; + if ((*string & 0xdf) == 'R') { + unsigned long cycle_length, num_write; + + string++; + if (unlikely(*string == ',')) { + DMWARN("invalid set_region_mappings argument: '%s'", argv[i]); + return -EINVAL; + } + cycle_length = parse_hex(&string); + if (unlikely(*string != ',')) { + DMWARN("invalid set_region_mappings argument: '%s'", argv[i]); + return -EINVAL; + } + string++; + if (unlikely(!*string)) { + DMWARN("invalid set_region_mappings argument: '%s'", argv[i]); + return -EINVAL; + } + num_write = parse_hex(&string); + if (unlikely(*string)) { + DMWARN("invalid set_region_mappings argument: '%s'", argv[i]); + return -EINVAL; + } + + if (unlikely(!cycle_length) || unlikely(cycle_length - 1 > region_index)) { + DMWARN("invalid set_region_mappings cycle length: %lu > %lu", + cycle_length - 1, region_index); + return -EINVAL; + } + if (unlikely(region_index + num_write < region_index) || + unlikely(region_index + num_write >= sctx->nr_regions)) { + DMWARN("invalid set_region_mappings region number: %lu + %lu >= %lu", + region_index, num_write, sctx->nr_regions); + return -EINVAL; + } + + while (num_write--) { + region_index++; + path_nr = switch_region_table_read(sctx, region_index - cycle_length); + switch_region_table_write(sctx, region_index, path_nr); + } + + continue; + } + if (*string == ':') region_index++; else { @@ -500,7 +553,7 @@ static int switch_iterate_devices(struct dm_target *ti, static struct target_type switch_target = { .name = "switch", - .version = {1, 0, 0}, + .version = {1, 1, 0}, .module = THIS_MODULE, .ctr = switch_ctr, .dtr = switch_dtr, diff --git a/drivers/md/dm-table.c b/drivers/md/dm-table.c index 5f59f1e3e5b1..f9c6cb8dbcf8 100644 --- a/drivers/md/dm-table.c +++ b/drivers/md/dm-table.c @@ -1386,6 +1386,14 @@ static int device_is_not_random(struct dm_target *ti, struct dm_dev *dev, return q && !blk_queue_add_random(q); } +static int queue_supports_sg_merge(struct dm_target *ti, struct dm_dev *dev, + sector_t start, sector_t len, void *data) +{ + struct request_queue *q = bdev_get_queue(dev->bdev); + + return q && !test_bit(QUEUE_FLAG_NO_SG_MERGE, &q->queue_flags); +} + static bool dm_table_all_devices_attribute(struct dm_table *t, iterate_devices_callout_fn func) { @@ -1430,6 +1438,43 @@ static bool dm_table_supports_write_same(struct dm_table *t) return true; } +static int device_discard_capable(struct dm_target *ti, struct dm_dev *dev, + sector_t start, sector_t len, void *data) +{ + struct request_queue *q = bdev_get_queue(dev->bdev); + + return q && blk_queue_discard(q); +} + +static bool dm_table_supports_discards(struct dm_table *t) +{ + struct dm_target *ti; + unsigned i = 0; + + /* + * Unless any target used by the table set discards_supported, + * require at least one underlying device to support discards. + * t->devices includes internal dm devices such as mirror logs + * so we need to use iterate_devices here, which targets + * supporting discard selectively must provide. + */ + while (i < dm_table_get_num_targets(t)) { + ti = dm_table_get_target(t, i++); + + if (!ti->num_discard_bios) + continue; + + if (ti->discards_supported) + return 1; + + if (ti->type->iterate_devices && + ti->type->iterate_devices(ti, device_discard_capable, NULL)) + return 1; + } + + return 0; +} + void dm_table_set_restrictions(struct dm_table *t, struct request_queue *q, struct queue_limits *limits) { @@ -1464,6 +1509,11 @@ void dm_table_set_restrictions(struct dm_table *t, struct request_queue *q, if (!dm_table_supports_write_same(t)) q->limits.max_write_same_sectors = 0; + if (dm_table_all_devices_attribute(t, queue_supports_sg_merge)) + queue_flag_clear_unlocked(QUEUE_FLAG_NO_SG_MERGE, q); + else + queue_flag_set_unlocked(QUEUE_FLAG_NO_SG_MERGE, q); + dm_table_set_integrity(t); /* @@ -1636,39 +1686,3 @@ void dm_table_run_md_queue_async(struct dm_table *t) } EXPORT_SYMBOL(dm_table_run_md_queue_async); -static int device_discard_capable(struct dm_target *ti, struct dm_dev *dev, - sector_t start, sector_t len, void *data) -{ - struct request_queue *q = bdev_get_queue(dev->bdev); - - return q && blk_queue_discard(q); -} - -bool dm_table_supports_discards(struct dm_table *t) -{ - struct dm_target *ti; - unsigned i = 0; - - /* - * Unless any target used by the table set discards_supported, - * require at least one underlying device to support discards. - * t->devices includes internal dm devices such as mirror logs - * so we need to use iterate_devices here, which targets - * supporting discard selectively must provide. - */ - while (i < dm_table_get_num_targets(t)) { - ti = dm_table_get_target(t, i++); - - if (!ti->num_discard_bios) - continue; - - if (ti->discards_supported) - return 1; - - if (ti->type->iterate_devices && - ti->type->iterate_devices(ti, device_discard_capable, NULL)) - return 1; - } - - return 0; -} diff --git a/drivers/md/dm-thin.c b/drivers/md/dm-thin.c index fc9c848a60c9..4843801173fe 100644 --- a/drivers/md/dm-thin.c +++ b/drivers/md/dm-thin.c @@ -227,6 +227,7 @@ struct thin_c { struct list_head list; struct dm_dev *pool_dev; struct dm_dev *origin_dev; + sector_t origin_size; dm_thin_id dev_id; struct pool *pool; @@ -554,11 +555,16 @@ static void remap_and_issue(struct thin_c *tc, struct bio *bio, struct dm_thin_new_mapping { struct list_head list; - bool quiesced:1; - bool prepared:1; bool pass_discard:1; bool definitely_not_shared:1; + /* + * Track quiescing, copying and zeroing preparation actions. When this + * counter hits zero the block is prepared and can be inserted into the + * btree. + */ + atomic_t prepare_actions; + int err; struct thin_c *tc; dm_block_t virt_block; @@ -575,43 +581,41 @@ struct dm_thin_new_mapping { bio_end_io_t *saved_bi_end_io; }; -static void __maybe_add_mapping(struct dm_thin_new_mapping *m) +static void __complete_mapping_preparation(struct dm_thin_new_mapping *m) { struct pool *pool = m->tc->pool; - if (m->quiesced && m->prepared) { + if (atomic_dec_and_test(&m->prepare_actions)) { list_add_tail(&m->list, &pool->prepared_mappings); wake_worker(pool); } } -static void copy_complete(int read_err, unsigned long write_err, void *context) +static void complete_mapping_preparation(struct dm_thin_new_mapping *m) { unsigned long flags; - struct dm_thin_new_mapping *m = context; struct pool *pool = m->tc->pool; - m->err = read_err || write_err ? -EIO : 0; - spin_lock_irqsave(&pool->lock, flags); - m->prepared = true; - __maybe_add_mapping(m); + __complete_mapping_preparation(m); spin_unlock_irqrestore(&pool->lock, flags); } +static void copy_complete(int read_err, unsigned long write_err, void *context) +{ + struct dm_thin_new_mapping *m = context; + + m->err = read_err || write_err ? -EIO : 0; + complete_mapping_preparation(m); +} + static void overwrite_endio(struct bio *bio, int err) { - unsigned long flags; struct dm_thin_endio_hook *h = dm_per_bio_data(bio, sizeof(struct dm_thin_endio_hook)); struct dm_thin_new_mapping *m = h->overwrite_mapping; - struct pool *pool = m->tc->pool; m->err = err; - - spin_lock_irqsave(&pool->lock, flags); - m->prepared = true; - __maybe_add_mapping(m); - spin_unlock_irqrestore(&pool->lock, flags); + complete_mapping_preparation(m); } /*----------------------------------------------------------------*/ @@ -821,10 +825,31 @@ static struct dm_thin_new_mapping *get_next_mapping(struct pool *pool) return m; } +static void ll_zero(struct thin_c *tc, struct dm_thin_new_mapping *m, + sector_t begin, sector_t end) +{ + int r; + struct dm_io_region to; + + to.bdev = tc->pool_dev->bdev; + to.sector = begin; + to.count = end - begin; + + r = dm_kcopyd_zero(tc->pool->copier, 1, &to, 0, copy_complete, m); + if (r < 0) { + DMERR_LIMIT("dm_kcopyd_zero() failed"); + copy_complete(1, 1, m); + } +} + +/* + * A partial copy also needs to zero the uncopied region. + */ static void schedule_copy(struct thin_c *tc, dm_block_t virt_block, struct dm_dev *origin, dm_block_t data_origin, dm_block_t data_dest, - struct dm_bio_prison_cell *cell, struct bio *bio) + struct dm_bio_prison_cell *cell, struct bio *bio, + sector_t len) { int r; struct pool *pool = tc->pool; @@ -835,8 +860,15 @@ static void schedule_copy(struct thin_c *tc, dm_block_t virt_block, m->data_block = data_dest; m->cell = cell; + /* + * quiesce action + copy action + an extra reference held for the + * duration of this function (we may need to inc later for a + * partial zero). + */ + atomic_set(&m->prepare_actions, 3); + if (!dm_deferred_set_add_work(pool->shared_read_ds, &m->list)) - m->quiesced = true; + complete_mapping_preparation(m); /* already quiesced */ /* * IO to pool_dev remaps to the pool target's data_dev. @@ -857,20 +889,38 @@ static void schedule_copy(struct thin_c *tc, dm_block_t virt_block, from.bdev = origin->bdev; from.sector = data_origin * pool->sectors_per_block; - from.count = pool->sectors_per_block; + from.count = len; to.bdev = tc->pool_dev->bdev; to.sector = data_dest * pool->sectors_per_block; - to.count = pool->sectors_per_block; + to.count = len; r = dm_kcopyd_copy(pool->copier, &from, 1, &to, 0, copy_complete, m); if (r < 0) { - mempool_free(m, pool->mapping_pool); DMERR_LIMIT("dm_kcopyd_copy() failed"); - cell_error(pool, cell); + copy_complete(1, 1, m); + + /* + * We allow the zero to be issued, to simplify the + * error path. Otherwise we'd need to start + * worrying about decrementing the prepare_actions + * counter. + */ + } + + /* + * Do we need to zero a tail region? + */ + if (len < pool->sectors_per_block && pool->pf.zero_new_blocks) { + atomic_inc(&m->prepare_actions); + ll_zero(tc, m, + data_dest * pool->sectors_per_block + len, + (data_dest + 1) * pool->sectors_per_block); } } + + complete_mapping_preparation(m); /* drop our ref */ } static void schedule_internal_copy(struct thin_c *tc, dm_block_t virt_block, @@ -878,15 +928,8 @@ static void schedule_internal_copy(struct thin_c *tc, dm_block_t virt_block, struct dm_bio_prison_cell *cell, struct bio *bio) { schedule_copy(tc, virt_block, tc->pool_dev, - data_origin, data_dest, cell, bio); -} - -static void schedule_external_copy(struct thin_c *tc, dm_block_t virt_block, - dm_block_t data_dest, - struct dm_bio_prison_cell *cell, struct bio *bio) -{ - schedule_copy(tc, virt_block, tc->origin_dev, - virt_block, data_dest, cell, bio); + data_origin, data_dest, cell, bio, + tc->pool->sectors_per_block); } static void schedule_zero(struct thin_c *tc, dm_block_t virt_block, @@ -896,8 +939,7 @@ static void schedule_zero(struct thin_c *tc, dm_block_t virt_block, struct pool *pool = tc->pool; struct dm_thin_new_mapping *m = get_next_mapping(pool); - m->quiesced = true; - m->prepared = false; + atomic_set(&m->prepare_actions, 1); /* no need to quiesce */ m->tc = tc; m->virt_block = virt_block; m->data_block = data_block; @@ -919,21 +961,33 @@ static void schedule_zero(struct thin_c *tc, dm_block_t virt_block, save_and_set_endio(bio, &m->saved_bi_end_io, overwrite_endio); inc_all_io_entry(pool, bio); remap_and_issue(tc, bio, data_block); - } else { - int r; - struct dm_io_region to; - to.bdev = tc->pool_dev->bdev; - to.sector = data_block * pool->sectors_per_block; - to.count = pool->sectors_per_block; + } else + ll_zero(tc, m, + data_block * pool->sectors_per_block, + (data_block + 1) * pool->sectors_per_block); +} - r = dm_kcopyd_zero(pool->copier, 1, &to, 0, copy_complete, m); - if (r < 0) { - mempool_free(m, pool->mapping_pool); - DMERR_LIMIT("dm_kcopyd_zero() failed"); - cell_error(pool, cell); - } - } +static void schedule_external_copy(struct thin_c *tc, dm_block_t virt_block, + dm_block_t data_dest, + struct dm_bio_prison_cell *cell, struct bio *bio) +{ + struct pool *pool = tc->pool; + sector_t virt_block_begin = virt_block * pool->sectors_per_block; + sector_t virt_block_end = (virt_block + 1) * pool->sectors_per_block; + + if (virt_block_end <= tc->origin_size) + schedule_copy(tc, virt_block, tc->origin_dev, + virt_block, data_dest, cell, bio, + pool->sectors_per_block); + + else if (virt_block_begin < tc->origin_size) + schedule_copy(tc, virt_block, tc->origin_dev, + virt_block, data_dest, cell, bio, + tc->origin_size - virt_block_begin); + + else + schedule_zero(tc, virt_block, data_dest, cell, bio); } /* @@ -1315,7 +1369,18 @@ static void process_bio(struct thin_c *tc, struct bio *bio) inc_all_io_entry(pool, bio); cell_defer_no_holder(tc, cell); - remap_to_origin_and_issue(tc, bio); + if (bio_end_sector(bio) <= tc->origin_size) + remap_to_origin_and_issue(tc, bio); + + else if (bio->bi_iter.bi_sector < tc->origin_size) { + zero_fill_bio(bio); + bio->bi_iter.bi_size = (tc->origin_size - bio->bi_iter.bi_sector) << SECTOR_SHIFT; + remap_to_origin_and_issue(tc, bio); + + } else { + zero_fill_bio(bio); + bio_endio(bio, 0); + } } else provision_block(tc, bio, block, cell); break; @@ -3112,7 +3177,7 @@ static void pool_io_hints(struct dm_target *ti, struct queue_limits *limits) */ if (io_opt_sectors < pool->sectors_per_block || do_div(io_opt_sectors, pool->sectors_per_block)) { - blk_limits_io_min(limits, 0); + blk_limits_io_min(limits, pool->sectors_per_block << SECTOR_SHIFT); blk_limits_io_opt(limits, pool->sectors_per_block << SECTOR_SHIFT); } @@ -3141,7 +3206,7 @@ static struct target_type pool_target = { .name = "thin-pool", .features = DM_TARGET_SINGLETON | DM_TARGET_ALWAYS_WRITEABLE | DM_TARGET_IMMUTABLE, - .version = {1, 12, 0}, + .version = {1, 13, 0}, .module = THIS_MODULE, .ctr = pool_ctr, .dtr = pool_dtr, @@ -3361,8 +3426,7 @@ static int thin_endio(struct dm_target *ti, struct bio *bio, int err) spin_lock_irqsave(&pool->lock, flags); list_for_each_entry_safe(m, tmp, &work, list) { list_del(&m->list); - m->quiesced = true; - __maybe_add_mapping(m); + __complete_mapping_preparation(m); } spin_unlock_irqrestore(&pool->lock, flags); } @@ -3401,6 +3465,16 @@ static void thin_postsuspend(struct dm_target *ti) noflush_work(tc, do_noflush_stop); } +static int thin_preresume(struct dm_target *ti) +{ + struct thin_c *tc = ti->private; + + if (tc->origin_dev) + tc->origin_size = get_dev_size(tc->origin_dev->bdev); + + return 0; +} + /* * <nr mapped sectors> <highest mapped sector> */ @@ -3483,12 +3557,13 @@ static int thin_iterate_devices(struct dm_target *ti, static struct target_type thin_target = { .name = "thin", - .version = {1, 12, 0}, + .version = {1, 13, 0}, .module = THIS_MODULE, .ctr = thin_ctr, .dtr = thin_dtr, .map = thin_map, .end_io = thin_endio, + .preresume = thin_preresume, .presuspend = thin_presuspend, .postsuspend = thin_postsuspend, .status = thin_status, diff --git a/drivers/md/dm.h b/drivers/md/dm.h index ed76126aac54..e81d2152fa68 100644 --- a/drivers/md/dm.h +++ b/drivers/md/dm.h @@ -72,7 +72,6 @@ int dm_table_any_busy_target(struct dm_table *t); unsigned dm_table_get_type(struct dm_table *t); struct target_type *dm_table_get_immutable_target_type(struct dm_table *t); bool dm_table_request_based(struct dm_table *t); -bool dm_table_supports_discards(struct dm_table *t); void dm_table_free_md_mempools(struct dm_table *t); struct dm_md_mempools *dm_table_get_md_mempools(struct dm_table *t); diff --git a/drivers/md/md.c b/drivers/md/md.c index 32fc19c540d4..1294238610df 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -5961,7 +5961,7 @@ static int set_bitmap_file(struct mddev *mddev, int fd) int err = 0; if (mddev->pers) { - if (!mddev->pers->quiesce) + if (!mddev->pers->quiesce || !mddev->thread) return -EBUSY; if (mddev->recovery || mddev->sync_thread) return -EBUSY; @@ -6263,7 +6263,7 @@ static int update_array_info(struct mddev *mddev, mdu_array_info_t *info) rv = update_raid_disks(mddev, info->raid_disks); if ((state ^ info->state) & (1<<MD_SB_BITMAP_PRESENT)) { - if (mddev->pers->quiesce == NULL) + if (mddev->pers->quiesce == NULL || mddev->thread == NULL) return -EINVAL; if (mddev->recovery || mddev->sync_thread) return -EBUSY; @@ -7376,7 +7376,7 @@ void md_do_sync(struct md_thread *thread) struct mddev *mddev2; unsigned int currspeed = 0, window; - sector_t max_sectors,j, io_sectors; + sector_t max_sectors,j, io_sectors, recovery_done; unsigned long mark[SYNC_MARKS]; unsigned long update_time; sector_t mark_cnt[SYNC_MARKS]; @@ -7652,7 +7652,8 @@ void md_do_sync(struct md_thread *thread) */ cond_resched(); - currspeed = ((unsigned long)(io_sectors-mddev->resync_mark_cnt))/2 + recovery_done = io_sectors - atomic_read(&mddev->recovery_active); + currspeed = ((unsigned long)(recovery_done - mddev->resync_mark_cnt))/2 /((jiffies-mddev->resync_mark)/HZ +1) +1; if (currspeed > speed_min(mddev)) { @@ -8592,7 +8593,7 @@ static int __init md_init(void) goto err_mdp; mdp_major = ret; - blk_register_region(MKDEV(MD_MAJOR, 0), 1UL<<MINORBITS, THIS_MODULE, + blk_register_region(MKDEV(MD_MAJOR, 0), 512, THIS_MODULE, md_probe, NULL, NULL); blk_register_region(MKDEV(mdp_major, 0), 1UL<<MINORBITS, THIS_MODULE, md_probe, NULL, NULL); @@ -8687,7 +8688,7 @@ static __exit void md_exit(void) struct list_head *tmp; int delay = 1; - blk_unregister_region(MKDEV(MD_MAJOR,0), 1U << MINORBITS); + blk_unregister_region(MKDEV(MD_MAJOR,0), 512); blk_unregister_region(MKDEV(mdp_major,0), 1U << MINORBITS); unregister_blkdev(MD_MAJOR,"md"); diff --git a/drivers/md/raid0.c b/drivers/md/raid0.c index 407a99e46f69..cf91f5910c7c 100644 --- a/drivers/md/raid0.c +++ b/drivers/md/raid0.c @@ -685,6 +685,12 @@ static void *raid0_takeover(struct mddev *mddev) * raid10 - assuming we have all necessary active disks * raid1 - with (N -1) mirror drives faulty */ + + if (mddev->bitmap) { + printk(KERN_ERR "md/raid0: %s: cannot takeover array with bitmap\n", + mdname(mddev)); + return ERR_PTR(-EBUSY); + } if (mddev->level == 4) return raid0_takeover_raid45(mddev); diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c index 56e24c072b62..d7690f86fdb9 100644 --- a/drivers/md/raid1.c +++ b/drivers/md/raid1.c @@ -1501,12 +1501,12 @@ static void error(struct mddev *mddev, struct md_rdev *rdev) mddev->degraded++; set_bit(Faulty, &rdev->flags); spin_unlock_irqrestore(&conf->device_lock, flags); - /* - * if recovery is running, make sure it aborts. - */ - set_bit(MD_RECOVERY_INTR, &mddev->recovery); } else set_bit(Faulty, &rdev->flags); + /* + * if recovery is running, make sure it aborts. + */ + set_bit(MD_RECOVERY_INTR, &mddev->recovery); set_bit(MD_CHANGE_DEVS, &mddev->flags); printk(KERN_ALERT "md/raid1:%s: Disk failure on %s, disabling device.\n" diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c index cb882aae9e20..6703751d87d7 100644 --- a/drivers/md/raid10.c +++ b/drivers/md/raid10.c @@ -1684,13 +1684,12 @@ static void error(struct mddev *mddev, struct md_rdev *rdev) spin_unlock_irqrestore(&conf->device_lock, flags); return; } - if (test_and_clear_bit(In_sync, &rdev->flags)) { + if (test_and_clear_bit(In_sync, &rdev->flags)) mddev->degraded++; - /* - * if recovery is running, make sure it aborts. - */ - set_bit(MD_RECOVERY_INTR, &mddev->recovery); - } + /* + * If recovery is running, make sure it aborts. + */ + set_bit(MD_RECOVERY_INTR, &mddev->recovery); set_bit(Blocked, &rdev->flags); set_bit(Faulty, &rdev->flags); set_bit(MD_CHANGE_DEVS, &mddev->flags); @@ -2954,6 +2953,7 @@ static sector_t sync_request(struct mddev *mddev, sector_t sector_nr, */ if (test_bit(MD_RECOVERY_RESHAPE, &mddev->recovery)) { end_reshape(conf); + close_sync(conf); return 0; } @@ -3082,6 +3082,7 @@ static sector_t sync_request(struct mddev *mddev, sector_t sector_nr, } r10_bio = mempool_alloc(conf->r10buf_pool, GFP_NOIO); + r10_bio->state = 0; raise_barrier(conf, rb2 != NULL); atomic_set(&r10_bio->remaining, 0); @@ -3270,6 +3271,7 @@ static sector_t sync_request(struct mddev *mddev, sector_t sector_nr, if (sync_blocks < max_sync) max_sync = sync_blocks; r10_bio = mempool_alloc(conf->r10buf_pool, GFP_NOIO); + r10_bio->state = 0; r10_bio->mddev = mddev; atomic_set(&r10_bio->remaining, 0); @@ -4385,6 +4387,7 @@ static sector_t reshape_request(struct mddev *mddev, sector_t sector_nr, read_more: /* Now schedule reads for blocks from sector_nr to last */ r10_bio = mempool_alloc(conf->r10buf_pool, GFP_NOIO); + r10_bio->state = 0; raise_barrier(conf, sectors_done != 0); atomic_set(&r10_bio->remaining, 0); r10_bio->mddev = mddev; @@ -4399,6 +4402,7 @@ read_more: * on all the target devices. */ // FIXME + mempool_free(r10_bio, conf->r10buf_pool); set_bit(MD_RECOVERY_INTR, &mddev->recovery); return sectors_done; } @@ -4411,7 +4415,7 @@ read_more: read_bio->bi_private = r10_bio; read_bio->bi_end_io = end_sync_read; read_bio->bi_rw = READ; - read_bio->bi_flags &= ~(BIO_POOL_MASK - 1); + read_bio->bi_flags &= (~0UL << BIO_RESET_BITS); read_bio->bi_flags |= 1 << BIO_UPTODATE; read_bio->bi_vcnt = 0; read_bio->bi_iter.bi_size = 0; diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c index 6234b2e84587..183588b11fc1 100644 --- a/drivers/md/raid5.c +++ b/drivers/md/raid5.c @@ -2922,7 +2922,7 @@ static int fetch_block(struct stripe_head *sh, struct stripe_head_state *s, (!test_bit(R5_Insync, &dev->flags) || test_bit(STRIPE_PREREAD_ACTIVE, &sh->state)) && !test_bit(R5_OVERWRITE, &fdev[0]->flags)) || (sh->raid_conf->level == 6 && s->failed && s->to_write && - s->to_write < sh->raid_conf->raid_disks - 2 && + s->to_write - s->non_overwrite < sh->raid_conf->raid_disks - 2 && (!test_bit(R5_Insync, &dev->flags) || test_bit(STRIPE_PREREAD_ACTIVE, &sh->state))))) { /* we would like to get this block, possibly by computing it, * otherwise read it if the backing disk is insync @@ -3817,6 +3817,8 @@ static void handle_stripe(struct stripe_head *sh) set_bit(R5_Wantwrite, &dev->flags); if (prexor) continue; + if (s.failed > 1) + continue; if (!test_bit(R5_Insync, &dev->flags) || ((i == sh->pd_idx || i == sh->qd_idx) && s.failed == 0)) diff --git a/drivers/mfd/rtsx_usb.c b/drivers/mfd/rtsx_usb.c index 6352bec8419a..71f387ce8cbd 100644 --- a/drivers/mfd/rtsx_usb.c +++ b/drivers/mfd/rtsx_usb.c @@ -744,6 +744,7 @@ static struct usb_device_id rtsx_usb_usb_ids[] = { { USB_DEVICE(0x0BDA, 0x0140) }, { } }; +MODULE_DEVICE_TABLE(usb, rtsx_usb_usb_ids); static struct usb_driver rtsx_usb_driver = { .name = "rtsx_usb", diff --git a/drivers/mmc/card/block.c b/drivers/mmc/card/block.c index 452782bffebc..ede41f05c392 100644 --- a/drivers/mmc/card/block.c +++ b/drivers/mmc/card/block.c @@ -2028,8 +2028,7 @@ static int mmc_blk_issue_rq(struct mmc_queue *mq, struct request *req) /* complete ongoing async transfer before issuing discard */ if (card->host->areq) mmc_blk_issue_rw_rq(mq, NULL); - if (req->cmd_flags & REQ_SECURE && - !(card->quirks & MMC_QUIRK_SEC_ERASE_TRIM_BROKEN)) + if (req->cmd_flags & REQ_SECURE) ret = mmc_blk_issue_secdiscard_rq(mq, req); else ret = mmc_blk_issue_discard_rq(mq, req); @@ -2432,6 +2431,8 @@ static int mmc_blk_probe(struct mmc_card *card) if (!(card->csd.cmdclass & CCC_BLOCK_READ)) return -ENODEV; + mmc_fixup_device(card, blk_fixups); + md = mmc_blk_alloc(card); if (IS_ERR(md)) return PTR_ERR(md); @@ -2446,7 +2447,6 @@ static int mmc_blk_probe(struct mmc_card *card) goto out; mmc_set_drvdata(card, md); - mmc_fixup_device(card, blk_fixups); if (mmc_add_disk(md)) goto out; diff --git a/drivers/mmc/core/bus.c b/drivers/mmc/core/bus.c index d2dbf02022bd..8a1f1240e058 100644 --- a/drivers/mmc/core/bus.c +++ b/drivers/mmc/core/bus.c @@ -180,7 +180,6 @@ static int mmc_bus_resume(struct device *dev) #endif #ifdef CONFIG_PM_RUNTIME - static int mmc_runtime_suspend(struct device *dev) { struct mmc_card *card = mmc_dev_to_card(dev); @@ -196,17 +195,10 @@ static int mmc_runtime_resume(struct device *dev) return host->bus_ops->runtime_resume(host); } - -static int mmc_runtime_idle(struct device *dev) -{ - return 0; -} - #endif /* !CONFIG_PM_RUNTIME */ static const struct dev_pm_ops mmc_bus_pm_ops = { - SET_RUNTIME_PM_OPS(mmc_runtime_suspend, mmc_runtime_resume, - mmc_runtime_idle) + SET_RUNTIME_PM_OPS(mmc_runtime_suspend, mmc_runtime_resume, NULL) SET_SYSTEM_SLEEP_PM_OPS(mmc_bus_suspend, mmc_bus_resume) }; diff --git a/drivers/mmc/core/core.c b/drivers/mmc/core/core.c index 7dc0c85fdb60..d03a080fb9cd 100644 --- a/drivers/mmc/core/core.c +++ b/drivers/mmc/core/core.c @@ -2102,7 +2102,8 @@ EXPORT_SYMBOL(mmc_can_sanitize); int mmc_can_secure_erase_trim(struct mmc_card *card) { - if (card->ext_csd.sec_feature_support & EXT_CSD_SEC_ER_EN) + if ((card->ext_csd.sec_feature_support & EXT_CSD_SEC_ER_EN) && + !(card->quirks & MMC_QUIRK_SEC_ERASE_TRIM_BROKEN)) return 1; return 0; } diff --git a/drivers/mmc/core/mmc.c b/drivers/mmc/core/mmc.c index 793c6f7ddb04..1eda8dd8c867 100644 --- a/drivers/mmc/core/mmc.c +++ b/drivers/mmc/core/mmc.c @@ -324,13 +324,12 @@ static int mmc_read_ext_csd(struct mmc_card *card, u8 *ext_csd) } } + /* + * The EXT_CSD format is meant to be forward compatible. As long + * as CSD_STRUCTURE does not change, all values for EXT_CSD_REV + * are authorized, see JEDEC JESD84-B50 section B.8. + */ card->ext_csd.rev = ext_csd[EXT_CSD_REV]; - if (card->ext_csd.rev > 7) { - pr_err("%s: unrecognised EXT_CSD revision %d\n", - mmc_hostname(card->host), card->ext_csd.rev); - err = -EINVAL; - goto out; - } card->ext_csd.raw_sectors[0] = ext_csd[EXT_CSD_SEC_CNT + 0]; card->ext_csd.raw_sectors[1] = ext_csd[EXT_CSD_SEC_CNT + 1]; diff --git a/drivers/mmc/core/quirks.c b/drivers/mmc/core/quirks.c index 6c36fccaa1ec..dd1d1e0fe322 100644 --- a/drivers/mmc/core/quirks.c +++ b/drivers/mmc/core/quirks.c @@ -91,7 +91,7 @@ void mmc_fixup_device(struct mmc_card *card, const struct mmc_fixup *table) (f->cis_device == card->cis.device || f->cis_device == (u16) SDIO_ANY_ID) && rev >= f->rev_start && rev <= f->rev_end) { - dev_dbg(&card->dev, "calling %pF\n", f->vendor_fixup); + dev_dbg(&card->dev, "calling %pf\n", f->vendor_fixup); f->vendor_fixup(card, f->data); } } diff --git a/drivers/mmc/core/sd_ops.c b/drivers/mmc/core/sd_ops.c index 274ef00b4463..48d0c93ba25a 100644 --- a/drivers/mmc/core/sd_ops.c +++ b/drivers/mmc/core/sd_ops.c @@ -184,6 +184,9 @@ int mmc_send_app_op_cond(struct mmc_host *host, u32 ocr, u32 *rocr) mmc_delay(10); } + if (!i) + pr_err("%s: card never left busy state\n", mmc_hostname(host)); + if (rocr && !mmc_host_is_spi(host)) *rocr = cmd.resp[0]; diff --git a/drivers/mmc/host/Kconfig b/drivers/mmc/host/Kconfig index a5652548230a..451135822464 100644 --- a/drivers/mmc/host/Kconfig +++ b/drivers/mmc/host/Kconfig @@ -290,6 +290,18 @@ config MMC_MOXART be found on some embedded hardware such as UC-7112-LX. If you have a controller with this interface, say Y here. +config MMC_SDHCI_ST + tristate "SDHCI support on STMicroelectronics SoC" + depends on ARCH_STI + depends on MMC_SDHCI_PLTFM + select MMC_SDHCI_IO_ACCESSORS + help + This selects the Secure Digital Host Controller Interface in + STMicroelectronics SoCs. + + If you have a controller with this interface, say Y or M here. + If unsure, say N. + config MMC_OMAP tristate "TI OMAP Multimedia Card Interface support" depends on ARCH_OMAP @@ -303,6 +315,7 @@ config MMC_OMAP config MMC_OMAP_HS tristate "TI OMAP High Speed Multimedia Card Interface support" + depends on HAS_DMA depends on ARCH_OMAP2PLUS || COMPILE_TEST help This selects the TI OMAP High Speed Multimedia card Interface. @@ -343,7 +356,7 @@ config MMC_ATMELMCI config MMC_SDHCI_MSM tristate "Qualcomm SDHCI Controller Support" - depends on ARCH_QCOM + depends on ARCH_QCOM || (ARM && COMPILE_TEST) depends on MMC_SDHCI_PLTFM help This selects the Secure Digital Host Controller Interface (SDHCI) @@ -440,6 +453,7 @@ config MMC_SPI config MMC_S3C tristate "Samsung S3C SD/MMC Card Interface support" depends on ARCH_S3C24XX + depends on S3C24XX_DMAC help This selects a driver for the MCI interface found in Samsung's S3C2410, S3C2412, S3C2440, S3C2442 CPUs. @@ -477,15 +491,6 @@ config MMC_S3C_DMA working properly and needs to be debugged before this option is useful. -config MMC_S3C_PIODMA - bool "Support for both PIO and DMA" - help - Compile both the PIO and DMA transfer routines into the - driver and let the platform select at run-time which one - is best. - - See notes for the DMA option. - endchoice config MMC_SDRICOH_CS @@ -623,7 +628,7 @@ config MMC_DW_PCI config MMC_SH_MMCIF tristate "SuperH Internal MMCIF support" - depends on MMC_BLOCK + depends on MMC_BLOCK && HAS_DMA depends on SUPERH || ARCH_SHMOBILE || COMPILE_TEST help This selects the MMC Host Interface controller (MMCIF). @@ -697,6 +702,7 @@ config MMC_WMT config MMC_USDHI6ROL0 tristate "Renesas USDHI6ROL0 SD/SDIO Host Controller support" + depends on HAS_DMA help This selects support for the Renesas USDHI6ROL0 SD/SDIO Host Controller diff --git a/drivers/mmc/host/Makefile b/drivers/mmc/host/Makefile index 7f81ddf1dd2c..f211eede8db5 100644 --- a/drivers/mmc/host/Makefile +++ b/drivers/mmc/host/Makefile @@ -68,6 +68,7 @@ obj-$(CONFIG_MMC_SDHCI_OF_HLWD) += sdhci-of-hlwd.o obj-$(CONFIG_MMC_SDHCI_BCM_KONA) += sdhci-bcm-kona.o obj-$(CONFIG_MMC_SDHCI_BCM2835) += sdhci-bcm2835.o obj-$(CONFIG_MMC_SDHCI_MSM) += sdhci-msm.o +obj-$(CONFIG_MMC_SDHCI_ST) += sdhci-st.o ifeq ($(CONFIG_CB710_DEBUG),y) CFLAGS-cb710-mmc += -DDEBUG diff --git a/drivers/mmc/host/dw_mmc-pci.c b/drivers/mmc/host/dw_mmc-pci.c index f70546a3a7cc..6ada1b36685b 100644 --- a/drivers/mmc/host/dw_mmc-pci.c +++ b/drivers/mmc/host/dw_mmc-pci.c @@ -102,7 +102,7 @@ static int dw_mci_pci_resume(struct device *dev) static SIMPLE_DEV_PM_OPS(dw_mci_pci_pmops, dw_mci_pci_suspend, dw_mci_pci_resume); -static DEFINE_PCI_DEVICE_TABLE(dw_mci_pci_id) = { +static const struct pci_device_id dw_mci_pci_id[] = { { PCI_DEVICE(SYNOPSYS_DW_MCI_VENDOR_ID, SYNOPSYS_DW_MCI_DEVICE_ID) }, {} }; diff --git a/drivers/mmc/host/dw_mmc.c b/drivers/mmc/host/dw_mmc.c index 1ac227c603b7..8f216edbdf08 100644 --- a/drivers/mmc/host/dw_mmc.c +++ b/drivers/mmc/host/dw_mmc.c @@ -111,8 +111,7 @@ static const u8 tuning_blk_pattern_8bit[] = { 0xff, 0x77, 0x77, 0xff, 0x77, 0xbb, 0xdd, 0xee, }; -static inline bool dw_mci_fifo_reset(struct dw_mci *host); -static inline bool dw_mci_ctrl_all_reset(struct dw_mci *host); +static bool dw_mci_reset(struct dw_mci *host); #if defined(CONFIG_DEBUG_FS) static int dw_mci_req_show(struct seq_file *s, void *v) @@ -997,7 +996,8 @@ static int dw_mci_get_ro(struct mmc_host *mmc) int gpio_ro = mmc_gpio_get_ro(mmc); /* Use platform get_ro function, else try on board write protect */ - if (slot->quirks & DW_MCI_SLOT_QUIRK_NO_WRITE_PROTECT) + if ((slot->quirks & DW_MCI_SLOT_QUIRK_NO_WRITE_PROTECT) || + (slot->host->quirks & DW_MCI_QUIRK_NO_WRITE_PROTECT)) read_only = 0; else if (!IS_ERR_VALUE(gpio_ro)) read_only = gpio_ro; @@ -1235,7 +1235,7 @@ static int dw_mci_data_complete(struct dw_mci *host, struct mmc_data *data) * After an error, there may be data lingering * in the FIFO */ - dw_mci_fifo_reset(host); + dw_mci_reset(host); } else { data->bytes_xfered = data->blocks * data->blksz; data->error = 0; @@ -1352,7 +1352,7 @@ static void dw_mci_tasklet_func(unsigned long priv) /* CMD error in data command */ if (mrq->cmd->error && mrq->data) - dw_mci_fifo_reset(host); + dw_mci_reset(host); host->cmd = NULL; host->data = NULL; @@ -1963,14 +1963,8 @@ static void dw_mci_work_routine_card(struct work_struct *work) } /* Power down slot */ - if (present == 0) { - /* Clear down the FIFO */ - dw_mci_fifo_reset(host); -#ifdef CONFIG_MMC_DW_IDMAC - dw_mci_idmac_reset(host); -#endif - - } + if (present == 0) + dw_mci_reset(host); spin_unlock_bh(&host->lock); @@ -2021,8 +2015,11 @@ static int dw_mci_of_get_slot_quirks(struct device *dev, u8 slot) /* get quirks */ for (idx = 0; idx < ARRAY_SIZE(of_slot_quirks); idx++) - if (of_get_property(np, of_slot_quirks[idx].quirk, NULL)) + if (of_get_property(np, of_slot_quirks[idx].quirk, NULL)) { + dev_warn(dev, "Slot quirk %s is deprecated\n", + of_slot_quirks[idx].quirk); quirks |= of_slot_quirks[idx].id; + } return quirks; } @@ -2208,8 +2205,11 @@ static bool dw_mci_ctrl_reset(struct dw_mci *host, u32 reset) return false; } -static inline bool dw_mci_fifo_reset(struct dw_mci *host) +static bool dw_mci_reset(struct dw_mci *host) { + u32 flags = SDMMC_CTRL_RESET | SDMMC_CTRL_FIFO_RESET; + bool ret = false; + /* * Reseting generates a block interrupt, hence setting * the scatter-gather pointer to NULL. @@ -2219,15 +2219,60 @@ static inline bool dw_mci_fifo_reset(struct dw_mci *host) host->sg = NULL; } - return dw_mci_ctrl_reset(host, SDMMC_CTRL_FIFO_RESET); -} + if (host->use_dma) + flags |= SDMMC_CTRL_DMA_RESET; -static inline bool dw_mci_ctrl_all_reset(struct dw_mci *host) -{ - return dw_mci_ctrl_reset(host, - SDMMC_CTRL_FIFO_RESET | - SDMMC_CTRL_RESET | - SDMMC_CTRL_DMA_RESET); + if (dw_mci_ctrl_reset(host, flags)) { + /* + * In all cases we clear the RAWINTS register to clear any + * interrupts. + */ + mci_writel(host, RINTSTS, 0xFFFFFFFF); + + /* if using dma we wait for dma_req to clear */ + if (host->use_dma) { + unsigned long timeout = jiffies + msecs_to_jiffies(500); + u32 status; + do { + status = mci_readl(host, STATUS); + if (!(status & SDMMC_STATUS_DMA_REQ)) + break; + cpu_relax(); + } while (time_before(jiffies, timeout)); + + if (status & SDMMC_STATUS_DMA_REQ) { + dev_err(host->dev, + "%s: Timeout waiting for dma_req to " + "clear during reset\n", __func__); + goto ciu_out; + } + + /* when using DMA next we reset the fifo again */ + if (!dw_mci_ctrl_reset(host, SDMMC_CTRL_FIFO_RESET)) + goto ciu_out; + } + } else { + /* if the controller reset bit did clear, then set clock regs */ + if (!(mci_readl(host, CTRL) & SDMMC_CTRL_RESET)) { + dev_err(host->dev, "%s: fifo/dma reset bits didn't " + "clear but ciu was reset, doing clock update\n", + __func__); + goto ciu_out; + } + } + +#if IS_ENABLED(CONFIG_MMC_DW_IDMAC) + /* It is also recommended that we reset and reprogram idmac */ + dw_mci_idmac_reset(host); +#endif + + ret = true; + +ciu_out: + /* After a CTRL reset we need to have CIU set clock registers */ + mci_send_cmd(host->cur_slot, SDMMC_CMD_UPD_CLK, 0); + + return ret; } #ifdef CONFIG_OF @@ -2238,6 +2283,9 @@ static struct dw_mci_of_quirks { { .quirk = "broken-cd", .id = DW_MCI_QUIRK_BROKEN_CARD_DETECTION, + }, { + .quirk = "disable-wp", + .id = DW_MCI_QUIRK_NO_WRITE_PROTECT, }, }; @@ -2425,7 +2473,7 @@ int dw_mci_probe(struct dw_mci *host) } /* Reset all blocks */ - if (!dw_mci_ctrl_all_reset(host)) + if (!dw_mci_ctrl_reset(host, SDMMC_CTRL_ALL_RESET_FLAGS)) return -ENODEV; host->dma_ops = host->pdata->dma_ops; @@ -2612,7 +2660,7 @@ int dw_mci_resume(struct dw_mci *host) } } - if (!dw_mci_ctrl_all_reset(host)) { + if (!dw_mci_ctrl_reset(host, SDMMC_CTRL_ALL_RESET_FLAGS)) { ret = -ENODEV; return ret; } diff --git a/drivers/mmc/host/dw_mmc.h b/drivers/mmc/host/dw_mmc.h index 738fa241d058..08fd956d81f3 100644 --- a/drivers/mmc/host/dw_mmc.h +++ b/drivers/mmc/host/dw_mmc.h @@ -129,6 +129,7 @@ #define SDMMC_CMD_INDX(n) ((n) & 0x1F) /* Status register defines */ #define SDMMC_GET_FCNT(x) (((x)>>17) & 0x1FFF) +#define SDMMC_STATUS_DMA_REQ BIT(31) /* FIFOTH register defines */ #define SDMMC_SET_FIFOTH(m, r, t) (((m) & 0x7) << 28 | \ ((r) & 0xFFF) << 16 | \ @@ -150,6 +151,10 @@ /* Card read threshold */ #define SDMMC_SET_RD_THLD(v, x) (((v) & 0x1FFF) << 16 | (x)) +/* All ctrl reset bits */ +#define SDMMC_CTRL_ALL_RESET_FLAGS \ + (SDMMC_CTRL_RESET | SDMMC_CTRL_FIFO_RESET | SDMMC_CTRL_DMA_RESET) + /* Register access macros */ #define mci_readl(dev, reg) \ __raw_readl((dev)->regs + SDMMC_##reg) diff --git a/drivers/mmc/host/mmci.c b/drivers/mmc/host/mmci.c index 7ad463e9741c..e4d470704150 100644 --- a/drivers/mmc/host/mmci.c +++ b/drivers/mmc/host/mmci.c @@ -52,34 +52,53 @@ static unsigned int fmax = 515633; * struct variant_data - MMCI variant-specific quirks * @clkreg: default value for MCICLOCK register * @clkreg_enable: enable value for MMCICLOCK register + * @clkreg_8bit_bus_enable: enable value for 8 bit bus + * @clkreg_neg_edge_enable: enable value for inverted data/cmd output * @datalength_bits: number of bits in the MMCIDATALENGTH register * @fifosize: number of bytes that can be written when MMCI_TXFIFOEMPTY * is asserted (likewise for RX) * @fifohalfsize: number of bytes that can be written when MCI_TXFIFOHALFEMPTY * is asserted (likewise for RX) + * @data_cmd_enable: enable value for data commands. * @sdio: variant supports SDIO * @st_clkdiv: true if using a ST-specific clock divider algorithm + * @datactrl_mask_ddrmode: ddr mode mask in datactrl register. * @blksz_datactrl16: true if Block size is at b16..b30 position in datactrl register + * @blksz_datactrl4: true if Block size is at b4..b16 position in datactrl + * register * @pwrreg_powerup: power up value for MMCIPOWER register + * @f_max: maximum clk frequency supported by the controller. * @signal_direction: input/out direction of bus signals can be indicated * @pwrreg_clkgate: MMCIPOWER register must be used to gate the clock * @busy_detect: true if busy detection on dat0 is supported * @pwrreg_nopower: bits in MMCIPOWER don't controls ext. power supply + * @explicit_mclk_control: enable explicit mclk control in driver. + * @qcom_fifo: enables qcom specific fifo pio read logic. + * @reversed_irq_handling: handle data irq before cmd irq. */ struct variant_data { unsigned int clkreg; unsigned int clkreg_enable; + unsigned int clkreg_8bit_bus_enable; + unsigned int clkreg_neg_edge_enable; unsigned int datalength_bits; unsigned int fifosize; unsigned int fifohalfsize; + unsigned int data_cmd_enable; + unsigned int datactrl_mask_ddrmode; bool sdio; bool st_clkdiv; bool blksz_datactrl16; + bool blksz_datactrl4; u32 pwrreg_powerup; + u32 f_max; bool signal_direction; bool pwrreg_clkgate; bool busy_detect; bool pwrreg_nopower; + bool explicit_mclk_control; + bool qcom_fifo; + bool reversed_irq_handling; }; static struct variant_data variant_arm = { @@ -87,6 +106,8 @@ static struct variant_data variant_arm = { .fifohalfsize = 8 * 4, .datalength_bits = 16, .pwrreg_powerup = MCI_PWR_UP, + .f_max = 100000000, + .reversed_irq_handling = true, }; static struct variant_data variant_arm_extended_fifo = { @@ -94,6 +115,7 @@ static struct variant_data variant_arm_extended_fifo = { .fifohalfsize = 64 * 4, .datalength_bits = 16, .pwrreg_powerup = MCI_PWR_UP, + .f_max = 100000000, }; static struct variant_data variant_arm_extended_fifo_hwfc = { @@ -102,15 +124,18 @@ static struct variant_data variant_arm_extended_fifo_hwfc = { .clkreg_enable = MCI_ARM_HWFCEN, .datalength_bits = 16, .pwrreg_powerup = MCI_PWR_UP, + .f_max = 100000000, }; static struct variant_data variant_u300 = { .fifosize = 16 * 4, .fifohalfsize = 8 * 4, .clkreg_enable = MCI_ST_U300_HWFCEN, + .clkreg_8bit_bus_enable = MCI_ST_8BIT_BUS, .datalength_bits = 16, .sdio = true, .pwrreg_powerup = MCI_PWR_ON, + .f_max = 100000000, .signal_direction = true, .pwrreg_clkgate = true, .pwrreg_nopower = true, @@ -124,6 +149,7 @@ static struct variant_data variant_nomadik = { .sdio = true, .st_clkdiv = true, .pwrreg_powerup = MCI_PWR_ON, + .f_max = 100000000, .signal_direction = true, .pwrreg_clkgate = true, .pwrreg_nopower = true, @@ -134,10 +160,13 @@ static struct variant_data variant_ux500 = { .fifohalfsize = 8 * 4, .clkreg = MCI_CLK_ENABLE, .clkreg_enable = MCI_ST_UX500_HWFCEN, + .clkreg_8bit_bus_enable = MCI_ST_8BIT_BUS, + .clkreg_neg_edge_enable = MCI_ST_UX500_NEG_EDGE, .datalength_bits = 24, .sdio = true, .st_clkdiv = true, .pwrreg_powerup = MCI_PWR_ON, + .f_max = 100000000, .signal_direction = true, .pwrreg_clkgate = true, .busy_detect = true, @@ -149,17 +178,38 @@ static struct variant_data variant_ux500v2 = { .fifohalfsize = 8 * 4, .clkreg = MCI_CLK_ENABLE, .clkreg_enable = MCI_ST_UX500_HWFCEN, + .clkreg_8bit_bus_enable = MCI_ST_8BIT_BUS, + .clkreg_neg_edge_enable = MCI_ST_UX500_NEG_EDGE, + .datactrl_mask_ddrmode = MCI_ST_DPSM_DDRMODE, .datalength_bits = 24, .sdio = true, .st_clkdiv = true, .blksz_datactrl16 = true, .pwrreg_powerup = MCI_PWR_ON, + .f_max = 100000000, .signal_direction = true, .pwrreg_clkgate = true, .busy_detect = true, .pwrreg_nopower = true, }; +static struct variant_data variant_qcom = { + .fifosize = 16 * 4, + .fifohalfsize = 8 * 4, + .clkreg = MCI_CLK_ENABLE, + .clkreg_enable = MCI_QCOM_CLK_FLOWENA | + MCI_QCOM_CLK_SELECT_IN_FBCLK, + .clkreg_8bit_bus_enable = MCI_QCOM_CLK_WIDEBUS_8, + .datactrl_mask_ddrmode = MCI_QCOM_CLK_SELECT_IN_DDR_MODE, + .data_cmd_enable = MCI_QCOM_CSPM_DATCMD, + .blksz_datactrl4 = true, + .datalength_bits = 24, + .pwrreg_powerup = MCI_PWR_UP, + .f_max = 208000000, + .explicit_mclk_control = true, + .qcom_fifo = true, +}; + static int mmci_card_busy(struct mmc_host *mmc) { struct mmci_host *host = mmc_priv(mmc); @@ -260,7 +310,9 @@ static void mmci_set_clkreg(struct mmci_host *host, unsigned int desired) host->cclk = 0; if (desired) { - if (desired >= host->mclk) { + if (variant->explicit_mclk_control) { + host->cclk = host->mclk; + } else if (desired >= host->mclk) { clk = MCI_CLK_BYPASS; if (variant->st_clkdiv) clk |= MCI_ST_UX500_NEG_EDGE; @@ -299,11 +351,11 @@ static void mmci_set_clkreg(struct mmci_host *host, unsigned int desired) if (host->mmc->ios.bus_width == MMC_BUS_WIDTH_4) clk |= MCI_4BIT_BUS; if (host->mmc->ios.bus_width == MMC_BUS_WIDTH_8) - clk |= MCI_ST_8BIT_BUS; + clk |= variant->clkreg_8bit_bus_enable; if (host->mmc->ios.timing == MMC_TIMING_UHS_DDR50 || host->mmc->ios.timing == MMC_TIMING_MMC_DDR52) - clk |= MCI_ST_UX500_NEG_EDGE; + clk |= variant->clkreg_neg_edge_enable; mmci_write_clkreg(host, clk); } @@ -719,7 +771,7 @@ static void mmci_start_data(struct mmci_host *host, struct mmc_data *data) data->bytes_xfered = 0; clks = (unsigned long long)data->timeout_ns * host->cclk; - do_div(clks, 1000000000UL); + do_div(clks, NSEC_PER_SEC); timeout = data->timeout_clks + (unsigned int)clks; @@ -732,6 +784,8 @@ static void mmci_start_data(struct mmci_host *host, struct mmc_data *data) if (variant->blksz_datactrl16) datactrl = MCI_DPSM_ENABLE | (data->blksz << 16); + else if (variant->blksz_datactrl4) + datactrl = MCI_DPSM_ENABLE | (data->blksz << 4); else datactrl = MCI_DPSM_ENABLE | blksz_bits << 4; @@ -767,7 +821,7 @@ static void mmci_start_data(struct mmci_host *host, struct mmc_data *data) if (host->mmc->ios.timing == MMC_TIMING_UHS_DDR50 || host->mmc->ios.timing == MMC_TIMING_MMC_DDR52) - datactrl |= MCI_ST_DPSM_DDRMODE; + datactrl |= variant->datactrl_mask_ddrmode; /* * Attempt to use DMA operation mode, if this @@ -812,7 +866,7 @@ mmci_start_command(struct mmci_host *host, struct mmc_command *cmd, u32 c) if (readl(base + MMCICOMMAND) & MCI_CPSM_ENABLE) { writel(0, base + MMCICOMMAND); - udelay(1); + mmci_reg_delay(host); } c |= cmd->opcode | MCI_CPSM_ENABLE; @@ -824,6 +878,9 @@ mmci_start_command(struct mmci_host *host, struct mmc_command *cmd, u32 c) if (/*interrupt*/0) c |= MCI_CPSM_INTERRUPT; + if (mmc_cmd_type(cmd) == MMC_CMD_ADTC) + c |= host->variant->data_cmd_enable; + host->cmd = cmd; writel(cmd->arg, base + MMCIARGUMENT); @@ -834,6 +891,10 @@ static void mmci_data_irq(struct mmci_host *host, struct mmc_data *data, unsigned int status) { + /* Make sure we have data to handle */ + if (!data) + return; + /* First check for errors */ if (status & (MCI_DATACRCFAIL|MCI_DATATIMEOUT|MCI_STARTBITERR| MCI_TXUNDERRUN|MCI_RXOVERRUN)) { @@ -902,9 +963,17 @@ mmci_cmd_irq(struct mmci_host *host, struct mmc_command *cmd, unsigned int status) { void __iomem *base = host->base; - bool sbc = (cmd == host->mrq->sbc); - bool busy_resp = host->variant->busy_detect && - (cmd->flags & MMC_RSP_BUSY); + bool sbc, busy_resp; + + if (!cmd) + return; + + sbc = (cmd == host->mrq->sbc); + busy_resp = host->variant->busy_detect && (cmd->flags & MMC_RSP_BUSY); + + if (!((status|host->busy_status) & (MCI_CMDCRCFAIL|MCI_CMDTIMEOUT| + MCI_CMDSENT|MCI_CMDRESPEND))) + return; /* Check if we need to wait for busy completion. */ if (host->busy_status && (status & MCI_ST_CARDBUSY)) @@ -957,15 +1026,34 @@ mmci_cmd_irq(struct mmci_host *host, struct mmc_command *cmd, } } +static int mmci_get_rx_fifocnt(struct mmci_host *host, u32 status, int remain) +{ + return remain - (readl(host->base + MMCIFIFOCNT) << 2); +} + +static int mmci_qcom_get_rx_fifocnt(struct mmci_host *host, u32 status, int r) +{ + /* + * on qcom SDCC4 only 8 words are used in each burst so only 8 addresses + * from the fifo range should be used + */ + if (status & MCI_RXFIFOHALFFULL) + return host->variant->fifohalfsize; + else if (status & MCI_RXDATAAVLBL) + return 4; + + return 0; +} + static int mmci_pio_read(struct mmci_host *host, char *buffer, unsigned int remain) { void __iomem *base = host->base; char *ptr = buffer; - u32 status; + u32 status = readl(host->base + MMCISTATUS); int host_remain = host->size; do { - int count = host_remain - (readl(base + MMCIFIFOCNT) << 2); + int count = host->get_rx_fifocnt(host, status, host_remain); if (count > remain) count = remain; @@ -1132,9 +1220,6 @@ static irqreturn_t mmci_irq(int irq, void *dev_id) spin_lock(&host->lock); do { - struct mmc_command *cmd; - struct mmc_data *data; - status = readl(host->base + MMCISTATUS); if (host->singleirq) { @@ -1154,16 +1239,13 @@ static irqreturn_t mmci_irq(int irq, void *dev_id) dev_dbg(mmc_dev(host->mmc), "irq0 (data+cmd) %08x\n", status); - cmd = host->cmd; - if ((status|host->busy_status) & (MCI_CMDCRCFAIL|MCI_CMDTIMEOUT| - MCI_CMDSENT|MCI_CMDRESPEND) && cmd) - mmci_cmd_irq(host, cmd, status); - - data = host->data; - if (status & (MCI_DATACRCFAIL|MCI_DATATIMEOUT|MCI_STARTBITERR| - MCI_TXUNDERRUN|MCI_RXOVERRUN|MCI_DATAEND| - MCI_DATABLOCKEND) && data) - mmci_data_irq(host, data, status); + if (host->variant->reversed_irq_handling) { + mmci_data_irq(host, host->data, status); + mmci_cmd_irq(host, host->cmd, status); + } else { + mmci_cmd_irq(host, host->cmd, status); + mmci_data_irq(host, host->data, status); + } /* Don't poll for busy completion in irq context. */ if (host->busy_status) @@ -1296,6 +1378,17 @@ static void mmci_set_ios(struct mmc_host *mmc, struct mmc_ios *ios) if (!ios->clock && variant->pwrreg_clkgate) pwr &= ~MCI_PWR_ON; + if (host->variant->explicit_mclk_control && + ios->clock != host->clock_cache) { + ret = clk_set_rate(host->clk, ios->clock); + if (ret < 0) + dev_err(mmc_dev(host->mmc), + "Error setting clock rate (%d)\n", ret); + else + host->mclk = clk_get_rate(host->clk); + } + host->clock_cache = ios->clock; + spin_lock_irqsave(&host->lock, flags); mmci_set_clkreg(host, ios->clock); @@ -1443,6 +1536,11 @@ static int mmci_probe(struct amba_device *dev, if (ret) goto host_free; + if (variant->qcom_fifo) + host->get_rx_fifocnt = mmci_qcom_get_rx_fifocnt; + else + host->get_rx_fifocnt = mmci_get_rx_fifocnt; + host->plat = plat; host->variant = variant; host->mclk = clk_get_rate(host->clk); @@ -1451,8 +1549,8 @@ static int mmci_probe(struct amba_device *dev, * so we try to adjust the clock down to this, * (if possible). */ - if (host->mclk > 100000000) { - ret = clk_set_rate(host->clk, 100000000); + if (host->mclk > variant->f_max) { + ret = clk_set_rate(host->clk, variant->f_max); if (ret < 0) goto clk_disable; host->mclk = clk_get_rate(host->clk); @@ -1471,9 +1569,12 @@ static int mmci_probe(struct amba_device *dev, * The ARM and ST versions of the block have slightly different * clock divider equations which means that the minimum divider * differs too. + * on Qualcomm like controllers get the nearest minimum clock to 100Khz */ if (variant->st_clkdiv) mmc->f_min = DIV_ROUND_UP(host->mclk, 257); + else if (variant->explicit_mclk_control) + mmc->f_min = clk_round_rate(host->clk, 100000); else mmc->f_min = DIV_ROUND_UP(host->mclk, 512); /* @@ -1483,9 +1584,14 @@ static int mmci_probe(struct amba_device *dev, * the block, of course. */ if (mmc->f_max) - mmc->f_max = min(host->mclk, mmc->f_max); + mmc->f_max = variant->explicit_mclk_control ? + min(variant->f_max, mmc->f_max) : + min(host->mclk, mmc->f_max); else - mmc->f_max = min(host->mclk, fmax); + mmc->f_max = variant->explicit_mclk_control ? + fmax : min(host->mclk, fmax); + + dev_dbg(mmc_dev(mmc), "clocking block at %u Hz\n", mmc->f_max); /* Get regulators and the supported OCR mask */ @@ -1752,6 +1858,12 @@ static struct amba_id mmci_ids[] = { .mask = 0xf0ffffff, .data = &variant_ux500v2, }, + /* Qualcomm variants */ + { + .id = 0x00051180, + .mask = 0x000fffff, + .data = &variant_qcom, + }, { 0, 0 }, }; diff --git a/drivers/mmc/host/mmci.h b/drivers/mmc/host/mmci.h index 347d942d740b..a1f5e4f49e2a 100644 --- a/drivers/mmc/host/mmci.h +++ b/drivers/mmc/host/mmci.h @@ -41,6 +41,15 @@ /* Modified PL180 on Versatile Express platform */ #define MCI_ARM_HWFCEN (1 << 12) +/* Modified on Qualcomm Integrations */ +#define MCI_QCOM_CLK_WIDEBUS_8 (BIT(10) | BIT(11)) +#define MCI_QCOM_CLK_FLOWENA BIT(12) +#define MCI_QCOM_CLK_INVERTOUT BIT(13) + +/* select in latch data and command in */ +#define MCI_QCOM_CLK_SELECT_IN_FBCLK BIT(15) +#define MCI_QCOM_CLK_SELECT_IN_DDR_MODE (BIT(14) | BIT(15)) + #define MMCIARGUMENT 0x008 #define MMCICOMMAND 0x00c #define MCI_CPSM_RESPONSE (1 << 6) @@ -54,6 +63,14 @@ #define MCI_ST_NIEN (1 << 13) #define MCI_ST_CE_ATACMD (1 << 14) +/* Modified on Qualcomm Integrations */ +#define MCI_QCOM_CSPM_DATCMD BIT(12) +#define MCI_QCOM_CSPM_MCIABORT BIT(13) +#define MCI_QCOM_CSPM_CCSENABLE BIT(14) +#define MCI_QCOM_CSPM_CCSDISABLE BIT(15) +#define MCI_QCOM_CSPM_AUTO_CMD19 BIT(16) +#define MCI_QCOM_CSPM_AUTO_CMD21 BIT(21) + #define MMCIRESPCMD 0x010 #define MMCIRESPONSE0 0x014 #define MMCIRESPONSE1 0x018 @@ -191,6 +208,8 @@ struct mmci_host { spinlock_t lock; unsigned int mclk; + /* cached value of requested clk in set_ios */ + unsigned int clock_cache; unsigned int cclk; u32 pwr_reg; u32 pwr_reg_add; @@ -210,6 +229,7 @@ struct mmci_host { /* pio stuff */ struct sg_mapping_iter sg_miter; unsigned int size; + int (*get_rx_fifocnt)(struct mmci_host *h, u32 status, int remain); #ifdef CONFIG_DMA_ENGINE /* DMA stuff */ diff --git a/drivers/mmc/host/moxart-mmc.c b/drivers/mmc/host/moxart-mmc.c index 74924a04026e..b4b1efbf6c16 100644 --- a/drivers/mmc/host/moxart-mmc.c +++ b/drivers/mmc/host/moxart-mmc.c @@ -13,7 +13,6 @@ * warranty of any kind, whether express or implied. */ -#include <linux/version.h> #include <linux/module.h> #include <linux/init.h> #include <linux/platform_device.h> diff --git a/drivers/mmc/host/mxs-mmc.c b/drivers/mmc/host/mxs-mmc.c index babfea03ba8a..140885a5a4e7 100644 --- a/drivers/mmc/host/mxs-mmc.c +++ b/drivers/mmc/host/mxs-mmc.c @@ -86,7 +86,8 @@ static int mxs_mmc_get_cd(struct mmc_host *mmc) if (ret >= 0) return ret; - present = !(readl(ssp->base + HW_SSP_STATUS(ssp)) & + present = mmc->caps & MMC_CAP_NEEDS_POLL || + !(readl(ssp->base + HW_SSP_STATUS(ssp)) & BM_SSP_STATUS_CARD_DETECT); if (mmc->caps2 & MMC_CAP2_CD_ACTIVE_HIGH) diff --git a/drivers/mmc/host/omap_hsmmc.c b/drivers/mmc/host/omap_hsmmc.c index 6b7b75585926..965672663ef0 100644 --- a/drivers/mmc/host/omap_hsmmc.c +++ b/drivers/mmc/host/omap_hsmmc.c @@ -29,6 +29,7 @@ #include <linux/timer.h> #include <linux/clk.h> #include <linux/of.h> +#include <linux/of_irq.h> #include <linux/of_gpio.h> #include <linux/of_device.h> #include <linux/omap-dmaengine.h> @@ -36,6 +37,7 @@ #include <linux/mmc/core.h> #include <linux/mmc/mmc.h> #include <linux/io.h> +#include <linux/irq.h> #include <linux/gpio.h> #include <linux/regulator/consumer.h> #include <linux/pinctrl/consumer.h> @@ -54,6 +56,7 @@ #define OMAP_HSMMC_RSP54 0x0118 #define OMAP_HSMMC_RSP76 0x011C #define OMAP_HSMMC_DATA 0x0120 +#define OMAP_HSMMC_PSTATE 0x0124 #define OMAP_HSMMC_HCTL 0x0128 #define OMAP_HSMMC_SYSCTL 0x012C #define OMAP_HSMMC_STAT 0x0130 @@ -91,7 +94,10 @@ #define BCE (1 << 1) #define FOUR_BIT (1 << 1) #define HSPE (1 << 2) +#define IWE (1 << 24) #define DDR (1 << 19) +#define CLKEXTFREE (1 << 16) +#define CTPL (1 << 11) #define DW8 (1 << 5) #define OD 0x1 #define STAT_CLEAR 0xFFFFFFFF @@ -101,11 +107,15 @@ #define SRD (1 << 26) #define SOFTRESET (1 << 1) +/* PSTATE */ +#define DLEV_DAT(x) (1 << (20 + (x))) + /* Interrupt masks for IE and ISE register */ #define CC_EN (1 << 0) #define TC_EN (1 << 1) #define BWR_EN (1 << 4) #define BRR_EN (1 << 5) +#define CIRQ_EN (1 << 8) #define ERR_EN (1 << 15) #define CTO_EN (1 << 16) #define CCRC_EN (1 << 17) @@ -140,7 +150,6 @@ #define VDD_3V0 3000000 /* 300000 uV */ #define VDD_165_195 (ffs(MMC_VDD_165_195) - 1) -#define AUTO_CMD23 (1 << 1) /* Auto CMD23 support */ /* * One controller can have multiple slots, like on some omap boards using * omap.c controller driver. Luckily this is not currently done on any known @@ -194,6 +203,7 @@ struct omap_hsmmc_host { u32 sysctl; u32 capa; int irq; + int wake_irq; int use_dma, dma_ch; struct dma_chan *tx_chan; struct dma_chan *rx_chan; @@ -206,6 +216,9 @@ struct omap_hsmmc_host { int req_in_progress; unsigned long clk_rate; unsigned int flags; +#define AUTO_CMD23 (1 << 0) /* Auto CMD23 support */ +#define HSMMC_SDIO_IRQ_ENABLED (1 << 1) /* SDIO irq enabled */ +#define HSMMC_WAKE_IRQ_ENABLED (1 << 2) struct omap_hsmmc_next next_data; struct omap_mmc_platform_data *pdata; }; @@ -510,27 +523,40 @@ static void omap_hsmmc_stop_clock(struct omap_hsmmc_host *host) static void omap_hsmmc_enable_irq(struct omap_hsmmc_host *host, struct mmc_command *cmd) { - unsigned int irq_mask; + u32 irq_mask = INT_EN_MASK; + unsigned long flags; if (host->use_dma) - irq_mask = INT_EN_MASK & ~(BRR_EN | BWR_EN); - else - irq_mask = INT_EN_MASK; + irq_mask &= ~(BRR_EN | BWR_EN); /* Disable timeout for erases */ if (cmd->opcode == MMC_ERASE) irq_mask &= ~DTO_EN; + spin_lock_irqsave(&host->irq_lock, flags); OMAP_HSMMC_WRITE(host->base, STAT, STAT_CLEAR); OMAP_HSMMC_WRITE(host->base, ISE, irq_mask); + + /* latch pending CIRQ, but don't signal MMC core */ + if (host->flags & HSMMC_SDIO_IRQ_ENABLED) + irq_mask |= CIRQ_EN; OMAP_HSMMC_WRITE(host->base, IE, irq_mask); + spin_unlock_irqrestore(&host->irq_lock, flags); } static void omap_hsmmc_disable_irq(struct omap_hsmmc_host *host) { - OMAP_HSMMC_WRITE(host->base, ISE, 0); - OMAP_HSMMC_WRITE(host->base, IE, 0); + u32 irq_mask = 0; + unsigned long flags; + + spin_lock_irqsave(&host->irq_lock, flags); + /* no transfer running but need to keep cirq if enabled */ + if (host->flags & HSMMC_SDIO_IRQ_ENABLED) + irq_mask |= CIRQ_EN; + OMAP_HSMMC_WRITE(host->base, ISE, irq_mask); + OMAP_HSMMC_WRITE(host->base, IE, irq_mask); OMAP_HSMMC_WRITE(host->base, STAT, STAT_CLEAR); + spin_unlock_irqrestore(&host->irq_lock, flags); } /* Calculate divisor for the given clock frequency */ @@ -667,6 +693,9 @@ static int omap_hsmmc_context_restore(struct omap_hsmmc_host *host) capa = VS18; } + if (host->mmc->caps & MMC_CAP_SDIO_IRQ) + hctl |= IWE; + OMAP_HSMMC_WRITE(host->base, HCTL, OMAP_HSMMC_READ(host->base, HCTL) | hctl); @@ -681,7 +710,9 @@ static int omap_hsmmc_context_restore(struct omap_hsmmc_host *host) && time_before(jiffies, timeout)) ; - omap_hsmmc_disable_irq(host); + OMAP_HSMMC_WRITE(host->base, ISE, 0); + OMAP_HSMMC_WRITE(host->base, IE, 0); + OMAP_HSMMC_WRITE(host->base, STAT, STAT_CLEAR); /* Do not initialize card-specific things if the power is off */ if (host->power_mode == MMC_POWER_OFF) @@ -1118,8 +1149,12 @@ static irqreturn_t omap_hsmmc_irq(int irq, void *dev_id) int status; status = OMAP_HSMMC_READ(host->base, STAT); - while (status & INT_EN_MASK && host->req_in_progress) { - omap_hsmmc_do_irq(host, status); + while (status & (INT_EN_MASK | CIRQ_EN)) { + if (host->req_in_progress) + omap_hsmmc_do_irq(host, status); + + if (status & CIRQ_EN) + mmc_signal_sdio_irq(host->mmc); /* Flush posted write */ status = OMAP_HSMMC_READ(host->base, STAT); @@ -1128,6 +1163,22 @@ static irqreturn_t omap_hsmmc_irq(int irq, void *dev_id) return IRQ_HANDLED; } +static irqreturn_t omap_hsmmc_wake_irq(int irq, void *dev_id) +{ + struct omap_hsmmc_host *host = dev_id; + + /* cirq is level triggered, disable to avoid infinite loop */ + spin_lock(&host->irq_lock); + if (host->flags & HSMMC_WAKE_IRQ_ENABLED) { + disable_irq_nosync(host->wake_irq); + host->flags &= ~HSMMC_WAKE_IRQ_ENABLED; + } + spin_unlock(&host->irq_lock); + pm_request_resume(host->dev); /* no use counter */ + + return IRQ_HANDLED; +} + static void set_sd_bus_power(struct omap_hsmmc_host *host) { unsigned long i; @@ -1639,6 +1690,103 @@ static void omap_hsmmc_init_card(struct mmc_host *mmc, struct mmc_card *card) mmc_slot(host).init_card(card); } +static void omap_hsmmc_enable_sdio_irq(struct mmc_host *mmc, int enable) +{ + struct omap_hsmmc_host *host = mmc_priv(mmc); + u32 irq_mask, con; + unsigned long flags; + + spin_lock_irqsave(&host->irq_lock, flags); + + con = OMAP_HSMMC_READ(host->base, CON); + irq_mask = OMAP_HSMMC_READ(host->base, ISE); + if (enable) { + host->flags |= HSMMC_SDIO_IRQ_ENABLED; + irq_mask |= CIRQ_EN; + con |= CTPL | CLKEXTFREE; + } else { + host->flags &= ~HSMMC_SDIO_IRQ_ENABLED; + irq_mask &= ~CIRQ_EN; + con &= ~(CTPL | CLKEXTFREE); + } + OMAP_HSMMC_WRITE(host->base, CON, con); + OMAP_HSMMC_WRITE(host->base, IE, irq_mask); + + /* + * if enable, piggy back detection on current request + * but always disable immediately + */ + if (!host->req_in_progress || !enable) + OMAP_HSMMC_WRITE(host->base, ISE, irq_mask); + + /* flush posted write */ + OMAP_HSMMC_READ(host->base, IE); + + spin_unlock_irqrestore(&host->irq_lock, flags); +} + +static int omap_hsmmc_configure_wake_irq(struct omap_hsmmc_host *host) +{ + struct mmc_host *mmc = host->mmc; + int ret; + + /* + * For omaps with wake-up path, wakeirq will be irq from pinctrl and + * for other omaps, wakeirq will be from GPIO (dat line remuxed to + * gpio). wakeirq is needed to detect sdio irq in runtime suspend state + * with functional clock disabled. + */ + if (!host->dev->of_node || !host->wake_irq) + return -ENODEV; + + /* Prevent auto-enabling of IRQ */ + irq_set_status_flags(host->wake_irq, IRQ_NOAUTOEN); + ret = devm_request_irq(host->dev, host->wake_irq, omap_hsmmc_wake_irq, + IRQF_TRIGGER_LOW | IRQF_ONESHOT, + mmc_hostname(mmc), host); + if (ret) { + dev_err(mmc_dev(host->mmc), "Unable to request wake IRQ\n"); + goto err; + } + + /* + * Some omaps don't have wake-up path from deeper idle states + * and need to remux SDIO DAT1 to GPIO for wake-up from idle. + */ + if (host->pdata->controller_flags & OMAP_HSMMC_SWAKEUP_MISSING) { + struct pinctrl *p = devm_pinctrl_get(host->dev); + if (!p) { + ret = -ENODEV; + goto err_free_irq; + } + if (IS_ERR(pinctrl_lookup_state(p, PINCTRL_STATE_DEFAULT))) { + dev_info(host->dev, "missing default pinctrl state\n"); + devm_pinctrl_put(p); + ret = -EINVAL; + goto err_free_irq; + } + + if (IS_ERR(pinctrl_lookup_state(p, PINCTRL_STATE_IDLE))) { + dev_info(host->dev, "missing idle pinctrl state\n"); + devm_pinctrl_put(p); + ret = -EINVAL; + goto err_free_irq; + } + devm_pinctrl_put(p); + } + + OMAP_HSMMC_WRITE(host->base, HCTL, + OMAP_HSMMC_READ(host->base, HCTL) | IWE); + return 0; + +err_free_irq: + devm_free_irq(host->dev, host->wake_irq, host); +err: + dev_warn(host->dev, "no SDIO IRQ support, falling back to polling\n"); + host->wake_irq = 0; + return ret; +} + static void omap_hsmmc_conf_bus_power(struct omap_hsmmc_host *host) { u32 hctl, capa, value; @@ -1691,7 +1839,7 @@ static const struct mmc_host_ops omap_hsmmc_ops = { .get_cd = omap_hsmmc_get_cd, .get_ro = omap_hsmmc_get_ro, .init_card = omap_hsmmc_init_card, - /* NYET -- enable_sdio_irq */ + .enable_sdio_irq = omap_hsmmc_enable_sdio_irq, }; #ifdef CONFIG_DEBUG_FS @@ -1701,13 +1849,23 @@ static int omap_hsmmc_regs_show(struct seq_file *s, void *data) struct mmc_host *mmc = s->private; struct omap_hsmmc_host *host = mmc_priv(mmc); - seq_printf(s, "mmc%d:\n ctx_loss:\t%d\n\nregs:\n", - mmc->index, host->context_loss); + seq_printf(s, "mmc%d:\n", mmc->index); + seq_printf(s, "sdio irq mode\t%s\n", + (mmc->caps & MMC_CAP_SDIO_IRQ) ? "interrupt" : "polling"); - pm_runtime_get_sync(host->dev); + if (mmc->caps & MMC_CAP_SDIO_IRQ) { + seq_printf(s, "sdio irq \t%s\n", + (host->flags & HSMMC_SDIO_IRQ_ENABLED) ? "enabled" + : "disabled"); + } + seq_printf(s, "ctx_loss:\t%d\n", host->context_loss); + pm_runtime_get_sync(host->dev); + seq_puts(s, "\nregs:\n"); seq_printf(s, "CON:\t\t0x%08x\n", OMAP_HSMMC_READ(host->base, CON)); + seq_printf(s, "PSTATE:\t\t0x%08x\n", + OMAP_HSMMC_READ(host->base, PSTATE)); seq_printf(s, "HCTL:\t\t0x%08x\n", OMAP_HSMMC_READ(host->base, HCTL)); seq_printf(s, "SYSCTL:\t\t0x%08x\n", @@ -1761,6 +1919,10 @@ static const struct omap_mmc_of_data omap3_pre_es3_mmc_of_data = { static const struct omap_mmc_of_data omap4_mmc_of_data = { .reg_offset = 0x100, }; +static const struct omap_mmc_of_data am33xx_mmc_of_data = { + .reg_offset = 0x100, + .controller_flags = OMAP_HSMMC_SWAKEUP_MISSING, +}; static const struct of_device_id omap_mmc_of_match[] = { { @@ -1777,6 +1939,10 @@ static const struct of_device_id omap_mmc_of_match[] = { .compatible = "ti,omap4-hsmmc", .data = &omap4_mmc_of_data, }, + { + .compatible = "ti,am33xx-hsmmc", + .data = &am33xx_mmc_of_data, + }, {}, }; MODULE_DEVICE_TABLE(of, omap_mmc_of_match); @@ -1850,7 +2016,6 @@ static int omap_hsmmc_probe(struct platform_device *pdev) const struct of_device_id *match; dma_cap_mask_t mask; unsigned tx_req, rx_req; - struct pinctrl *pinctrl; const struct omap_mmc_of_data *data; void __iomem *base; @@ -1913,6 +2078,9 @@ static int omap_hsmmc_probe(struct platform_device *pdev) platform_set_drvdata(pdev, host); + if (pdev->dev.of_node) + host->wake_irq = irq_of_parse_and_map(pdev->dev.of_node, 1); + mmc->ops = &omap_hsmmc_ops; mmc->f_min = OMAP_MMC_MIN_CLOCK; @@ -2061,10 +2229,17 @@ static int omap_hsmmc_probe(struct platform_device *pdev) omap_hsmmc_disable_irq(host); - pinctrl = devm_pinctrl_get_select_default(&pdev->dev); - if (IS_ERR(pinctrl)) - dev_warn(&pdev->dev, - "pins are not configured from the driver\n"); + /* + * For now, only support SDIO interrupt if we have a separate + * wake-up interrupt configured from device tree. This is because + * the wake-up interrupt is needed for idle state and some + * platforms need special quirks. And we don't want to add new + * legacy mux platform init code callbacks any longer as we + * are moving to DT based booting anyways. + */ + ret = omap_hsmmc_configure_wake_irq(host); + if (!ret) + mmc->caps |= MMC_CAP_SDIO_IRQ; omap_hsmmc_protect_card(host); @@ -2170,11 +2345,18 @@ static int omap_hsmmc_suspend(struct device *dev) pm_runtime_get_sync(host->dev); if (!(host->mmc->pm_flags & MMC_PM_KEEP_POWER)) { - omap_hsmmc_disable_irq(host); + OMAP_HSMMC_WRITE(host->base, ISE, 0); + OMAP_HSMMC_WRITE(host->base, IE, 0); + OMAP_HSMMC_WRITE(host->base, STAT, STAT_CLEAR); OMAP_HSMMC_WRITE(host->base, HCTL, OMAP_HSMMC_READ(host->base, HCTL) & ~SDBP); } + /* do not wake up due to sdio irq */ + if ((host->mmc->caps & MMC_CAP_SDIO_IRQ) && + !(host->mmc->pm_flags & MMC_PM_WAKE_SDIO_IRQ)) + disable_irq(host->wake_irq); + if (host->dbclk) clk_disable_unprepare(host->dbclk); @@ -2200,6 +2382,10 @@ static int omap_hsmmc_resume(struct device *dev) omap_hsmmc_protect_card(host); + if ((host->mmc->caps & MMC_CAP_SDIO_IRQ) && + !(host->mmc->pm_flags & MMC_PM_WAKE_SDIO_IRQ)) + enable_irq(host->wake_irq); + pm_runtime_mark_last_busy(host->dev); pm_runtime_put_autosuspend(host->dev); return 0; @@ -2215,22 +2401,77 @@ static int omap_hsmmc_resume(struct device *dev) static int omap_hsmmc_runtime_suspend(struct device *dev) { struct omap_hsmmc_host *host; + unsigned long flags; + int ret = 0; host = platform_get_drvdata(to_platform_device(dev)); omap_hsmmc_context_save(host); dev_dbg(dev, "disabled\n"); - return 0; + spin_lock_irqsave(&host->irq_lock, flags); + if ((host->mmc->caps & MMC_CAP_SDIO_IRQ) && + (host->flags & HSMMC_SDIO_IRQ_ENABLED)) { + /* disable sdio irq handling to prevent race */ + OMAP_HSMMC_WRITE(host->base, ISE, 0); + OMAP_HSMMC_WRITE(host->base, IE, 0); + + if (!(OMAP_HSMMC_READ(host->base, PSTATE) & DLEV_DAT(1))) { + /* + * dat1 line low, pending sdio irq + * race condition: possible irq handler running on + * multi-core, abort + */ + dev_dbg(dev, "pending sdio irq, abort suspend\n"); + OMAP_HSMMC_WRITE(host->base, STAT, STAT_CLEAR); + OMAP_HSMMC_WRITE(host->base, ISE, CIRQ_EN); + OMAP_HSMMC_WRITE(host->base, IE, CIRQ_EN); + pm_runtime_mark_last_busy(dev); + ret = -EBUSY; + goto abort; + } + + pinctrl_pm_select_idle_state(dev); + + WARN_ON(host->flags & HSMMC_WAKE_IRQ_ENABLED); + enable_irq(host->wake_irq); + host->flags |= HSMMC_WAKE_IRQ_ENABLED; + } else { + pinctrl_pm_select_idle_state(dev); + } + +abort: + spin_unlock_irqrestore(&host->irq_lock, flags); + return ret; } static int omap_hsmmc_runtime_resume(struct device *dev) { struct omap_hsmmc_host *host; + unsigned long flags; host = platform_get_drvdata(to_platform_device(dev)); omap_hsmmc_context_restore(host); dev_dbg(dev, "enabled\n"); + spin_lock_irqsave(&host->irq_lock, flags); + if ((host->mmc->caps & MMC_CAP_SDIO_IRQ) && + (host->flags & HSMMC_SDIO_IRQ_ENABLED)) { + /* sdio irq flag can't change while in runtime suspend */ + if (host->flags & HSMMC_WAKE_IRQ_ENABLED) { + disable_irq_nosync(host->wake_irq); + host->flags &= ~HSMMC_WAKE_IRQ_ENABLED; + } + + pinctrl_pm_select_default_state(host->dev); + + /* irq lost, if pinmux incorrect */ + OMAP_HSMMC_WRITE(host->base, STAT, STAT_CLEAR); + OMAP_HSMMC_WRITE(host->base, ISE, CIRQ_EN); + OMAP_HSMMC_WRITE(host->base, IE, CIRQ_EN); + } else { + pinctrl_pm_select_default_state(host->dev); + } + spin_unlock_irqrestore(&host->irq_lock, flags); return 0; } diff --git a/drivers/mmc/host/s3cmci.c b/drivers/mmc/host/s3cmci.c index f23782683a7c..e5516a226362 100644 --- a/drivers/mmc/host/s3cmci.c +++ b/drivers/mmc/host/s3cmci.c @@ -12,6 +12,7 @@ */ #include <linux/module.h> +#include <linux/dmaengine.h> #include <linux/dma-mapping.h> #include <linux/clk.h> #include <linux/mmc/host.h> @@ -27,6 +28,7 @@ #include <mach/dma.h> #include <mach/gpio-samsung.h> +#include <linux/platform_data/dma-s3c24xx.h> #include <linux/platform_data/mmc-s3cmci.h> #include "s3cmci.h" @@ -140,10 +142,6 @@ static const int dbgmap_debug = dbg_err | dbg_debug; dev_dbg(&host->pdev->dev, args); \ } while (0) -static struct s3c2410_dma_client s3cmci_dma_client = { - .name = "s3c-mci", -}; - static void finalize_request(struct s3cmci_host *host); static void s3cmci_send_request(struct mmc_host *mmc); static void s3cmci_reset(struct s3cmci_host *host); @@ -256,25 +254,8 @@ static inline bool s3cmci_host_usedma(struct s3cmci_host *host) { #ifdef CONFIG_MMC_S3C_PIO return false; -#elif defined(CONFIG_MMC_S3C_DMA) +#else /* CONFIG_MMC_S3C_DMA */ return true; -#else - return host->dodma; -#endif -} - -/** - * s3cmci_host_canpio - return true if host has pio code available - * - * Return true if the driver has been compiled with the PIO support code - * available. - */ -static inline bool s3cmci_host_canpio(void) -{ -#ifdef CONFIG_MMC_S3C_PIO - return true; -#else - return false; #endif } @@ -841,60 +822,24 @@ static irqreturn_t s3cmci_irq_cd(int irq, void *dev_id) return IRQ_HANDLED; } -static void s3cmci_dma_done_callback(struct s3c2410_dma_chan *dma_ch, - void *buf_id, int size, - enum s3c2410_dma_buffresult result) +static void s3cmci_dma_done_callback(void *arg) { - struct s3cmci_host *host = buf_id; + struct s3cmci_host *host = arg; unsigned long iflags; - u32 mci_csta, mci_dsta, mci_fsta, mci_dcnt; - - mci_csta = readl(host->base + S3C2410_SDICMDSTAT); - mci_dsta = readl(host->base + S3C2410_SDIDSTA); - mci_fsta = readl(host->base + S3C2410_SDIFSTA); - mci_dcnt = readl(host->base + S3C2410_SDIDCNT); BUG_ON(!host->mrq); BUG_ON(!host->mrq->data); - BUG_ON(!host->dmatogo); spin_lock_irqsave(&host->complete_lock, iflags); - if (result != S3C2410_RES_OK) { - dbg(host, dbg_fail, "DMA FAILED: csta=0x%08x dsta=0x%08x " - "fsta=0x%08x dcnt:0x%08x result:0x%08x toGo:%u\n", - mci_csta, mci_dsta, mci_fsta, - mci_dcnt, result, host->dmatogo); - - goto fail_request; - } - - host->dmatogo--; - if (host->dmatogo) { - dbg(host, dbg_dma, "DMA DONE Size:%i DSTA:[%08x] " - "DCNT:[%08x] toGo:%u\n", - size, mci_dsta, mci_dcnt, host->dmatogo); - - goto out; - } - - dbg(host, dbg_dma, "DMA FINISHED Size:%i DSTA:%08x DCNT:%08x\n", - size, mci_dsta, mci_dcnt); + dbg(host, dbg_dma, "DMA FINISHED\n"); host->dma_complete = 1; host->complete_what = COMPLETION_FINALIZE; -out: tasklet_schedule(&host->pio_tasklet); spin_unlock_irqrestore(&host->complete_lock, iflags); - return; -fail_request: - host->mrq->data->error = -EINVAL; - host->complete_what = COMPLETION_FINALIZE; - clear_imask(host); - - goto out; } static void finalize_request(struct s3cmci_host *host) @@ -966,7 +911,7 @@ static void finalize_request(struct s3cmci_host *host) * DMA channel and the fifo to clear out any garbage. */ if (mrq->data->error != 0) { if (s3cmci_host_usedma(host)) - s3c2410_dma_ctrl(host->dma, S3C2410_DMAOP_FLUSH); + dmaengine_terminate_all(host->dma); if (host->is2440) { /* Clear failure register and reset fifo. */ @@ -992,29 +937,6 @@ request_done: mmc_request_done(host->mmc, mrq); } -static void s3cmci_dma_setup(struct s3cmci_host *host, - enum dma_data_direction source) -{ - static enum dma_data_direction last_source = -1; - static int setup_ok; - - if (last_source == source) - return; - - last_source = source; - - s3c2410_dma_devconfig(host->dma, source, - host->mem->start + host->sdidata); - - if (!setup_ok) { - s3c2410_dma_config(host->dma, 4); - s3c2410_dma_set_buffdone_fn(host->dma, - s3cmci_dma_done_callback); - s3c2410_dma_setflags(host->dma, S3C2410_DMAF_AUTOSTART); - setup_ok = 1; - } -} - static void s3cmci_send_command(struct s3cmci_host *host, struct mmc_command *cmd) { @@ -1162,43 +1084,45 @@ static int s3cmci_prepare_pio(struct s3cmci_host *host, struct mmc_data *data) static int s3cmci_prepare_dma(struct s3cmci_host *host, struct mmc_data *data) { - int dma_len, i; int rw = data->flags & MMC_DATA_WRITE; + struct dma_async_tx_descriptor *desc; + struct dma_slave_config conf = { + .src_addr = host->mem->start + host->sdidata, + .dst_addr = host->mem->start + host->sdidata, + .src_addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES, + .dst_addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES, + }; BUG_ON((data->flags & BOTH_DIR) == BOTH_DIR); - s3cmci_dma_setup(host, rw ? DMA_TO_DEVICE : DMA_FROM_DEVICE); - s3c2410_dma_ctrl(host->dma, S3C2410_DMAOP_FLUSH); - - dma_len = dma_map_sg(mmc_dev(host->mmc), data->sg, data->sg_len, - rw ? DMA_TO_DEVICE : DMA_FROM_DEVICE); - - if (dma_len == 0) - return -ENOMEM; - - host->dma_complete = 0; - host->dmatogo = dma_len; - - for (i = 0; i < dma_len; i++) { - int res; - - dbg(host, dbg_dma, "enqueue %i: %08x@%u\n", i, - sg_dma_address(&data->sg[i]), - sg_dma_len(&data->sg[i])); + /* Restore prescaler value */ + writel(host->prescaler, host->base + S3C2410_SDIPRE); - res = s3c2410_dma_enqueue(host->dma, host, - sg_dma_address(&data->sg[i]), - sg_dma_len(&data->sg[i])); + if (!rw) + conf.direction = DMA_DEV_TO_MEM; + else + conf.direction = DMA_MEM_TO_DEV; - if (res) { - s3c2410_dma_ctrl(host->dma, S3C2410_DMAOP_FLUSH); - return -EBUSY; - } - } + dma_map_sg(mmc_dev(host->mmc), data->sg, data->sg_len, + rw ? DMA_TO_DEVICE : DMA_FROM_DEVICE); - s3c2410_dma_ctrl(host->dma, S3C2410_DMAOP_START); + dmaengine_slave_config(host->dma, &conf); + desc = dmaengine_prep_slave_sg(host->dma, data->sg, data->sg_len, + conf.direction, + DMA_CTRL_ACK | DMA_PREP_INTERRUPT); + if (!desc) + goto unmap_exit; + desc->callback = s3cmci_dma_done_callback; + desc->callback_param = host; + dmaengine_submit(desc); + dma_async_issue_pending(host->dma); return 0; + +unmap_exit: + dma_unmap_sg(mmc_dev(host->mmc), data->sg, data->sg_len, + rw ? DMA_TO_DEVICE : DMA_FROM_DEVICE); + return -ENOMEM; } static void s3cmci_send_request(struct mmc_host *mmc) @@ -1676,10 +1600,6 @@ static int s3cmci_probe(struct platform_device *pdev) host->complete_what = COMPLETION_NONE; host->pio_active = XFER_NONE; -#ifdef CONFIG_MMC_S3C_PIODMA - host->dodma = host->pdata->use_dma; -#endif - host->mem = platform_get_resource(pdev, IORESOURCE_MEM, 0); if (!host->mem) { dev_err(&pdev->dev, @@ -1765,17 +1685,17 @@ static int s3cmci_probe(struct platform_device *pdev) /* depending on the dma state, get a dma channel to use. */ if (s3cmci_host_usedma(host)) { - host->dma = s3c2410_dma_request(DMACH_SDI, &s3cmci_dma_client, - host); - if (host->dma < 0) { + dma_cap_mask_t mask; + + dma_cap_zero(mask); + dma_cap_set(DMA_SLAVE, mask); + + host->dma = dma_request_slave_channel_compat(mask, + s3c24xx_dma_filter, (void *)DMACH_SDI, &pdev->dev, "rx-tx"); + if (!host->dma) { dev_err(&pdev->dev, "cannot get DMA channel.\n"); - if (!s3cmci_host_canpio()) { - ret = -EBUSY; - goto probe_free_gpio_wp; - } else { - dev_warn(&pdev->dev, "falling back to PIO.\n"); - host->dodma = 0; - } + ret = -EBUSY; + goto probe_free_gpio_wp; } } @@ -1787,7 +1707,7 @@ static int s3cmci_probe(struct platform_device *pdev) goto probe_free_dma; } - ret = clk_enable(host->clk); + ret = clk_prepare_enable(host->clk); if (ret) { dev_err(&pdev->dev, "failed to enable clock source.\n"); goto clk_free; @@ -1816,7 +1736,7 @@ static int s3cmci_probe(struct platform_device *pdev) mmc->max_segs = 128; dbg(host, dbg_debug, - "probe: mode:%s mapped mci_base:%p irq:%u irq_cd:%u dma:%u.\n", + "probe: mode:%s mapped mci_base:%p irq:%u irq_cd:%u dma:%p.\n", (host->is2440?"2440":""), host->base, host->irq, host->irq_cd, host->dma); @@ -1845,14 +1765,14 @@ static int s3cmci_probe(struct platform_device *pdev) s3cmci_cpufreq_deregister(host); free_dmabuf: - clk_disable(host->clk); + clk_disable_unprepare(host->clk); clk_free: clk_put(host->clk); probe_free_dma: if (s3cmci_host_usedma(host)) - s3c2410_dma_free(host->dma, &s3cmci_dma_client); + dma_release_channel(host->dma); probe_free_gpio_wp: if (!host->pdata->no_wprotect) @@ -1897,7 +1817,7 @@ static void s3cmci_shutdown(struct platform_device *pdev) s3cmci_debugfs_remove(host); s3cmci_cpufreq_deregister(host); mmc_remove_host(mmc); - clk_disable(host->clk); + clk_disable_unprepare(host->clk); } static int s3cmci_remove(struct platform_device *pdev) @@ -1914,7 +1834,7 @@ static int s3cmci_remove(struct platform_device *pdev) tasklet_disable(&host->pio_tasklet); if (s3cmci_host_usedma(host)) - s3c2410_dma_free(host->dma, &s3cmci_dma_client); + dma_release_channel(host->dma); free_irq(host->irq, host); diff --git a/drivers/mmc/host/s3cmci.h b/drivers/mmc/host/s3cmci.h index c76b53dbeb61..cc2e46cb5c64 100644 --- a/drivers/mmc/host/s3cmci.h +++ b/drivers/mmc/host/s3cmci.h @@ -26,7 +26,7 @@ struct s3cmci_host { void __iomem *base; int irq; int irq_cd; - int dma; + struct dma_chan *dma; unsigned long clk_rate; unsigned long clk_div; @@ -36,8 +36,6 @@ struct s3cmci_host { int is2440; unsigned sdiimsk; unsigned sdidata; - int dodma; - int dmatogo; bool irq_disabled; bool irq_enabled; diff --git a/drivers/mmc/host/sdhci-acpi.c b/drivers/mmc/host/sdhci-acpi.c index 8ce3c28cb76e..8c5337002c51 100644 --- a/drivers/mmc/host/sdhci-acpi.c +++ b/drivers/mmc/host/sdhci-acpi.c @@ -124,9 +124,11 @@ static const struct sdhci_acpi_chip sdhci_acpi_chip_int = { static const struct sdhci_acpi_slot sdhci_acpi_slot_int_emmc = { .chip = &sdhci_acpi_chip_int, - .caps = MMC_CAP_8_BIT_DATA | MMC_CAP_NONREMOVABLE | MMC_CAP_HW_RESET, + .caps = MMC_CAP_8_BIT_DATA | MMC_CAP_NONREMOVABLE | + MMC_CAP_HW_RESET | MMC_CAP_1_8V_DDR, .caps2 = MMC_CAP2_HC_ERASE_SZ, .flags = SDHCI_ACPI_RUNTIME_PM, + .quirks2 = SDHCI_QUIRK2_PRESET_VALUE_BROKEN, }; static const struct sdhci_acpi_slot sdhci_acpi_slot_int_sdio = { diff --git a/drivers/mmc/host/sdhci-msm.c b/drivers/mmc/host/sdhci-msm.c index 40573a58486a..1a6661ed6205 100644 --- a/drivers/mmc/host/sdhci-msm.c +++ b/drivers/mmc/host/sdhci-msm.c @@ -16,7 +16,6 @@ #include <linux/module.h> #include <linux/of_device.h> -#include <linux/regulator/consumer.h> #include <linux/delay.h> #include <linux/mmc/mmc.h> #include <linux/slab.h> diff --git a/drivers/mmc/host/sdhci-pci.c b/drivers/mmc/host/sdhci-pci.c index 52c42fcc284c..c3a1debc9289 100644 --- a/drivers/mmc/host/sdhci-pci.c +++ b/drivers/mmc/host/sdhci-pci.c @@ -103,6 +103,10 @@ static const struct sdhci_pci_fixes sdhci_cafe = { SDHCI_QUIRK_BROKEN_TIMEOUT_VAL, }; +static const struct sdhci_pci_fixes sdhci_intel_qrk = { + .quirks = SDHCI_QUIRK_NO_HISPD_BIT, +}; + static int mrst_hc_probe_slot(struct sdhci_pci_slot *slot) { slot->host->mmc->caps |= MMC_CAP_8_BIT_DATA; @@ -264,7 +268,7 @@ static void sdhci_pci_int_hw_reset(struct sdhci_host *host) static int byt_emmc_probe_slot(struct sdhci_pci_slot *slot) { slot->host->mmc->caps |= MMC_CAP_8_BIT_DATA | MMC_CAP_NONREMOVABLE | - MMC_CAP_HW_RESET; + MMC_CAP_HW_RESET | MMC_CAP_1_8V_DDR; slot->host->mmc->caps2 |= MMC_CAP2_HC_ERASE_SZ; slot->hw_reset = sdhci_pci_int_hw_reset; return 0; @@ -279,6 +283,7 @@ static int byt_sdio_probe_slot(struct sdhci_pci_slot *slot) static const struct sdhci_pci_fixes sdhci_intel_byt_emmc = { .allow_runtime_pm = true, .probe_slot = byt_emmc_probe_slot, + .quirks2 = SDHCI_QUIRK2_PRESET_VALUE_BROKEN, }; static const struct sdhci_pci_fixes sdhci_intel_byt_sdio = { @@ -753,6 +758,14 @@ static const struct pci_device_id pci_ids[] = { { .vendor = PCI_VENDOR_ID_INTEL, + .device = PCI_DEVICE_ID_INTEL_QRK_SD, + .subvendor = PCI_ANY_ID, + .subdevice = PCI_ANY_ID, + .driver_data = (kernel_ulong_t)&sdhci_intel_qrk, + }, + + { + .vendor = PCI_VENDOR_ID_INTEL, .device = PCI_DEVICE_ID_INTEL_MRST_SD0, .subvendor = PCI_ANY_ID, .subdevice = PCI_ANY_ID, @@ -1130,18 +1143,13 @@ static int sdhci_pci_suspend(struct device *dev) goto err_pci_suspend; } - pci_save_state(pdev); if (pm_flags & MMC_PM_KEEP_POWER) { - if (pm_flags & MMC_PM_WAKE_SDIO_IRQ) { - pci_pme_active(pdev, true); - pci_enable_wake(pdev, PCI_D3hot, 1); - } - pci_set_power_state(pdev, PCI_D3hot); - } else { - pci_enable_wake(pdev, PCI_D3hot, 0); - pci_disable_device(pdev); - pci_set_power_state(pdev, PCI_D3hot); - } + if (pm_flags & MMC_PM_WAKE_SDIO_IRQ) + device_init_wakeup(dev, true); + else + device_init_wakeup(dev, false); + } else + device_init_wakeup(dev, false); return 0; @@ -1162,12 +1170,6 @@ static int sdhci_pci_resume(struct device *dev) if (!chip) return 0; - pci_set_power_state(pdev, PCI_D0); - pci_restore_state(pdev); - ret = pci_enable_device(pdev); - if (ret) - return ret; - if (chip->fixes && chip->fixes->resume) { ret = chip->fixes->resume(chip); if (ret) diff --git a/drivers/mmc/host/sdhci-pci.h b/drivers/mmc/host/sdhci-pci.h index 6d718719659e..c101477ef3be 100644 --- a/drivers/mmc/host/sdhci-pci.h +++ b/drivers/mmc/host/sdhci-pci.h @@ -17,6 +17,7 @@ #define PCI_DEVICE_ID_INTEL_CLV_SDIO2 0x08fb #define PCI_DEVICE_ID_INTEL_CLV_EMMC0 0x08e5 #define PCI_DEVICE_ID_INTEL_CLV_EMMC1 0x08e6 +#define PCI_DEVICE_ID_INTEL_QRK_SD 0x08A7 /* * PCI registers diff --git a/drivers/mmc/host/sdhci-pxav3.c b/drivers/mmc/host/sdhci-pxav3.c index f4f128947561..6f842fb8e6b8 100644 --- a/drivers/mmc/host/sdhci-pxav3.c +++ b/drivers/mmc/host/sdhci-pxav3.c @@ -288,15 +288,13 @@ static int sdhci_pxav3_probe(struct platform_device *pdev) int ret; struct clk *clk; - pxa = kzalloc(sizeof(struct sdhci_pxa), GFP_KERNEL); + pxa = devm_kzalloc(&pdev->dev, sizeof(struct sdhci_pxa), GFP_KERNEL); if (!pxa) return -ENOMEM; host = sdhci_pltfm_init(pdev, &sdhci_pxav3_pdata, 0); - if (IS_ERR(host)) { - kfree(pxa); + if (IS_ERR(host)) return PTR_ERR(host); - } if (of_device_is_compatible(np, "marvell,armada-380-sdhci")) { ret = mv_conf_mbus_windows(pdev, mv_mbus_dram_info()); @@ -308,7 +306,7 @@ static int sdhci_pxav3_probe(struct platform_device *pdev) pltfm_host = sdhci_priv(host); pltfm_host->priv = pxa; - clk = clk_get(dev, NULL); + clk = devm_clk_get(dev, NULL); if (IS_ERR(clk)) { dev_err(dev, "failed to get io clock\n"); ret = PTR_ERR(clk); @@ -389,11 +387,9 @@ err_add_host: pm_runtime_put_sync(&pdev->dev); pm_runtime_disable(&pdev->dev); clk_disable_unprepare(clk); - clk_put(clk); err_clk_get: err_mbus_win: sdhci_pltfm_free(pdev); - kfree(pxa); return ret; } @@ -401,17 +397,14 @@ static int sdhci_pxav3_remove(struct platform_device *pdev) { struct sdhci_host *host = platform_get_drvdata(pdev); struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host); - struct sdhci_pxa *pxa = pltfm_host->priv; pm_runtime_get_sync(&pdev->dev); sdhci_remove_host(host, 1); pm_runtime_disable(&pdev->dev); clk_disable_unprepare(pltfm_host->clk); - clk_put(pltfm_host->clk); sdhci_pltfm_free(pdev); - kfree(pxa); return 0; } diff --git a/drivers/mmc/host/sdhci-st.c b/drivers/mmc/host/sdhci-st.c new file mode 100644 index 000000000000..328f348c7243 --- /dev/null +++ b/drivers/mmc/host/sdhci-st.c @@ -0,0 +1,176 @@ +/* + * Support for SDHCI on STMicroelectronics SoCs + * + * Copyright (C) 2014 STMicroelectronics Ltd + * Author: Giuseppe Cavallaro <peppe.cavallaro@st.com> + * Contributors: Peter Griffin <peter.griffin@linaro.org> + * + * Based on sdhci-cns3xxx.c + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + */ + +#include <linux/io.h> +#include <linux/of.h> +#include <linux/module.h> +#include <linux/err.h> +#include <linux/mmc/host.h> + +#include "sdhci-pltfm.h" + +static u32 sdhci_st_readl(struct sdhci_host *host, int reg) +{ + u32 ret; + + switch (reg) { + case SDHCI_CAPABILITIES: + ret = readl_relaxed(host->ioaddr + reg); + /* Support 3.3V and 1.8V */ + ret &= ~SDHCI_CAN_VDD_300; + break; + default: + ret = readl_relaxed(host->ioaddr + reg); + } + return ret; +} + +static const struct sdhci_ops sdhci_st_ops = { + .get_max_clock = sdhci_pltfm_clk_get_max_clock, + .set_clock = sdhci_set_clock, + .set_bus_width = sdhci_set_bus_width, + .read_l = sdhci_st_readl, + .reset = sdhci_reset, +}; + +static const struct sdhci_pltfm_data sdhci_st_pdata = { + .ops = &sdhci_st_ops, + .quirks = SDHCI_QUIRK_NO_ENDATTR_IN_NOPDESC | + SDHCI_QUIRK_CAP_CLOCK_BASE_BROKEN, +}; + + +static int sdhci_st_probe(struct platform_device *pdev) +{ + struct sdhci_host *host; + struct sdhci_pltfm_host *pltfm_host; + struct clk *clk; + int ret = 0; + u16 host_version; + + clk = devm_clk_get(&pdev->dev, "mmc"); + if (IS_ERR(clk)) { + dev_err(&pdev->dev, "Peripheral clk not found\n"); + return PTR_ERR(clk); + } + + host = sdhci_pltfm_init(pdev, &sdhci_st_pdata, 0); + if (IS_ERR(host)) { + dev_err(&pdev->dev, "Failed sdhci_pltfm_init\n"); + return PTR_ERR(host); + } + + ret = mmc_of_parse(host->mmc); + + if (ret) { + dev_err(&pdev->dev, "Failed mmc_of_parse\n"); + return ret; + } + + clk_prepare_enable(clk); + + pltfm_host = sdhci_priv(host); + pltfm_host->clk = clk; + + ret = sdhci_add_host(host); + if (ret) { + dev_err(&pdev->dev, "Failed sdhci_add_host\n"); + goto err_out; + } + + platform_set_drvdata(pdev, host); + + host_version = readw_relaxed((host->ioaddr + SDHCI_HOST_VERSION)); + + dev_info(&pdev->dev, "SDHCI ST Initialised: Host Version: 0x%x Vendor Version 0x%x\n", + ((host_version & SDHCI_SPEC_VER_MASK) >> SDHCI_SPEC_VER_SHIFT), + ((host_version & SDHCI_VENDOR_VER_MASK) >> + SDHCI_VENDOR_VER_SHIFT)); + + return 0; + +err_out: + clk_disable_unprepare(clk); + sdhci_pltfm_free(pdev); + + return ret; +} + +static int sdhci_st_remove(struct platform_device *pdev) +{ + struct sdhci_host *host = platform_get_drvdata(pdev); + struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host); + + clk_disable_unprepare(pltfm_host->clk); + + return sdhci_pltfm_unregister(pdev); +} + +#ifdef CONFIG_PM_SLEEP +static int sdhci_st_suspend(struct device *dev) +{ + struct sdhci_host *host = dev_get_drvdata(dev); + struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host); + int ret = sdhci_suspend_host(host); + + if (ret) + goto out; + + clk_disable_unprepare(pltfm_host->clk); +out: + return ret; +} + +static int sdhci_st_resume(struct device *dev) +{ + struct sdhci_host *host = dev_get_drvdata(dev); + struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host); + + clk_prepare_enable(pltfm_host->clk); + + return sdhci_resume_host(host); +} +#endif + +static SIMPLE_DEV_PM_OPS(sdhci_st_pmops, sdhci_st_suspend, sdhci_st_resume); + +static const struct of_device_id st_sdhci_match[] = { + { .compatible = "st,sdhci" }, + {}, +}; + +MODULE_DEVICE_TABLE(of, st_sdhci_match); + +static struct platform_driver sdhci_st_driver = { + .probe = sdhci_st_probe, + .remove = sdhci_st_remove, + .driver = { + .name = "sdhci-st", + .pm = &sdhci_st_pmops, + .of_match_table = of_match_ptr(st_sdhci_match), + }, +}; + +module_platform_driver(sdhci_st_driver); + +MODULE_DESCRIPTION("SDHCI driver for STMicroelectronics SoCs"); +MODULE_AUTHOR("Giuseppe Cavallaro <peppe.cavallaro@st.com>"); +MODULE_LICENSE("GPL v2"); +MODULE_ALIAS("platform:st-sdhci"); diff --git a/drivers/mmc/host/sdhci-tegra.c b/drivers/mmc/host/sdhci-tegra.c index d93a063a36f3..33100d10d176 100644 --- a/drivers/mmc/host/sdhci-tegra.c +++ b/drivers/mmc/host/sdhci-tegra.c @@ -26,8 +26,6 @@ #include <linux/mmc/host.h> #include <linux/mmc/slot-gpio.h> -#include <asm/gpio.h> - #include "sdhci-pltfm.h" /* Tegra SDHOST controller vendor register definitions */ diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c index 47055f3f01b8..37b2a9ae52ef 100644 --- a/drivers/mmc/host/sdhci.c +++ b/drivers/mmc/host/sdhci.c @@ -1223,8 +1223,16 @@ EXPORT_SYMBOL_GPL(sdhci_set_clock); static void sdhci_set_power(struct sdhci_host *host, unsigned char mode, unsigned short vdd) { + struct mmc_host *mmc = host->mmc; u8 pwr = 0; + if (!IS_ERR(mmc->supply.vmmc)) { + spin_unlock_irq(&host->lock); + mmc_regulator_set_ocr(mmc, mmc->supply.vmmc, vdd); + spin_lock_irq(&host->lock); + return; + } + if (mode != MMC_POWER_OFF) { switch (1 << vdd) { case MMC_VDD_165_195: @@ -1283,12 +1291,6 @@ static void sdhci_set_power(struct sdhci_host *host, unsigned char mode, if (host->quirks & SDHCI_QUIRK_DELAY_AFTER_POWER) mdelay(10); } - - if (host->vmmc) { - spin_unlock_irq(&host->lock); - mmc_regulator_set_ocr(host->mmc, host->vmmc, vdd); - spin_lock_irq(&host->lock); - } } /*****************************************************************************\ @@ -1440,13 +1442,15 @@ static void sdhci_do_set_ios(struct sdhci_host *host, struct mmc_ios *ios) { unsigned long flags; u8 ctrl; + struct mmc_host *mmc = host->mmc; spin_lock_irqsave(&host->lock, flags); if (host->flags & SDHCI_DEVICE_DEAD) { spin_unlock_irqrestore(&host->lock, flags); - if (host->vmmc && ios->power_mode == MMC_POWER_OFF) - mmc_regulator_set_ocr(host->mmc, host->vmmc, 0); + if (!IS_ERR(mmc->supply.vmmc) && + ios->power_mode == MMC_POWER_OFF) + mmc_regulator_set_ocr(mmc, mmc->supply.vmmc, 0); return; } @@ -1530,7 +1534,6 @@ static void sdhci_do_set_ios(struct sdhci_host *host, struct mmc_ios *ios) host->ops->set_clock(host, host->clock); } - /* Reset SD Clock Enable */ clk = sdhci_readw(host, SDHCI_CLOCK_CONTROL); clk &= ~SDHCI_CLOCK_CARD_EN; @@ -1707,6 +1710,7 @@ static void sdhci_enable_sdio_irq(struct mmc_host *mmc, int enable) static int sdhci_do_start_signal_voltage_switch(struct sdhci_host *host, struct mmc_ios *ios) { + struct mmc_host *mmc = host->mmc; u16 ctrl; int ret; @@ -1725,11 +1729,12 @@ static int sdhci_do_start_signal_voltage_switch(struct sdhci_host *host, ctrl &= ~SDHCI_CTRL_VDD_180; sdhci_writew(host, ctrl, SDHCI_HOST_CONTROL2); - if (host->vqmmc) { - ret = regulator_set_voltage(host->vqmmc, 2700000, 3600000); + if (!IS_ERR(mmc->supply.vqmmc)) { + ret = regulator_set_voltage(mmc->supply.vqmmc, 2700000, + 3600000); if (ret) { pr_warning("%s: Switching to 3.3V signalling voltage " - " failed\n", mmc_hostname(host->mmc)); + " failed\n", mmc_hostname(mmc)); return -EIO; } } @@ -1742,16 +1747,16 @@ static int sdhci_do_start_signal_voltage_switch(struct sdhci_host *host, return 0; pr_warning("%s: 3.3V regulator output did not became stable\n", - mmc_hostname(host->mmc)); + mmc_hostname(mmc)); return -EAGAIN; case MMC_SIGNAL_VOLTAGE_180: - if (host->vqmmc) { - ret = regulator_set_voltage(host->vqmmc, + if (!IS_ERR(mmc->supply.vqmmc)) { + ret = regulator_set_voltage(mmc->supply.vqmmc, 1700000, 1950000); if (ret) { pr_warning("%s: Switching to 1.8V signalling voltage " - " failed\n", mmc_hostname(host->mmc)); + " failed\n", mmc_hostname(mmc)); return -EIO; } } @@ -1763,24 +1768,22 @@ static int sdhci_do_start_signal_voltage_switch(struct sdhci_host *host, ctrl |= SDHCI_CTRL_VDD_180; sdhci_writew(host, ctrl, SDHCI_HOST_CONTROL2); - /* Wait for 5ms */ - usleep_range(5000, 5500); - /* 1.8V regulator output should be stable within 5 ms */ ctrl = sdhci_readw(host, SDHCI_HOST_CONTROL2); if (ctrl & SDHCI_CTRL_VDD_180) return 0; pr_warning("%s: 1.8V regulator output did not became stable\n", - mmc_hostname(host->mmc)); + mmc_hostname(mmc)); return -EAGAIN; case MMC_SIGNAL_VOLTAGE_120: - if (host->vqmmc) { - ret = regulator_set_voltage(host->vqmmc, 1100000, 1300000); + if (!IS_ERR(mmc->supply.vqmmc)) { + ret = regulator_set_voltage(mmc->supply.vqmmc, 1100000, + 1300000); if (ret) { pr_warning("%s: Switching to 1.2V signalling voltage " - " failed\n", mmc_hostname(host->mmc)); + " failed\n", mmc_hostname(mmc)); return -EIO; } } @@ -2643,7 +2646,6 @@ static void sdhci_runtime_pm_bus_off(struct sdhci_host *host) int sdhci_runtime_suspend_host(struct sdhci_host *host) { unsigned long flags; - int ret = 0; /* Disable tuning since we are suspending */ if (host->flags & SDHCI_USING_RETUNING_TIMER) { @@ -2663,14 +2665,14 @@ int sdhci_runtime_suspend_host(struct sdhci_host *host) host->runtime_suspended = true; spin_unlock_irqrestore(&host->lock, flags); - return ret; + return 0; } EXPORT_SYMBOL_GPL(sdhci_runtime_suspend_host); int sdhci_runtime_resume_host(struct sdhci_host *host) { unsigned long flags; - int ret = 0, host_flags = host->flags; + int host_flags = host->flags; if (host_flags & (SDHCI_USE_SDMA | SDHCI_USE_ADMA)) { if (host->ops->enable_dma) @@ -2709,7 +2711,7 @@ int sdhci_runtime_resume_host(struct sdhci_host *host) spin_unlock_irqrestore(&host->lock, flags); - return ret; + return 0; } EXPORT_SYMBOL_GPL(sdhci_runtime_resume_host); @@ -2820,12 +2822,12 @@ int sdhci_add_host(struct sdhci_host *host) * (128) and potentially one alignment transfer for * each of those entries. */ - host->adma_desc = dma_alloc_coherent(mmc_dev(host->mmc), + host->adma_desc = dma_alloc_coherent(mmc_dev(mmc), ADMA_SIZE, &host->adma_addr, GFP_KERNEL); host->align_buffer = kmalloc(128 * 4, GFP_KERNEL); if (!host->adma_desc || !host->align_buffer) { - dma_free_coherent(mmc_dev(host->mmc), ADMA_SIZE, + dma_free_coherent(mmc_dev(mmc), ADMA_SIZE, host->adma_desc, host->adma_addr); kfree(host->align_buffer); pr_warning("%s: Unable to allocate ADMA " @@ -2838,7 +2840,7 @@ int sdhci_add_host(struct sdhci_host *host) pr_warning("%s: unable to allocate aligned ADMA descriptor\n", mmc_hostname(mmc)); host->flags &= ~SDHCI_USE_ADMA; - dma_free_coherent(mmc_dev(host->mmc), ADMA_SIZE, + dma_free_coherent(mmc_dev(mmc), ADMA_SIZE, host->adma_desc, host->adma_addr); kfree(host->align_buffer); host->adma_desc = NULL; @@ -2853,7 +2855,7 @@ int sdhci_add_host(struct sdhci_host *host) */ if (!(host->flags & (SDHCI_USE_SDMA | SDHCI_USE_ADMA))) { host->dma_mask = DMA_BIT_MASK(64); - mmc_dev(host->mmc)->dma_mask = &host->dma_mask; + mmc_dev(mmc)->dma_mask = &host->dma_mask; } if (host->version >= SDHCI_SPEC_300) @@ -2959,28 +2961,25 @@ int sdhci_add_host(struct sdhci_host *host) mmc->caps |= MMC_CAP_SD_HIGHSPEED | MMC_CAP_MMC_HIGHSPEED; if ((host->quirks & SDHCI_QUIRK_BROKEN_CARD_DETECTION) && - !(host->mmc->caps & MMC_CAP_NONREMOVABLE)) + !(mmc->caps & MMC_CAP_NONREMOVABLE)) mmc->caps |= MMC_CAP_NEEDS_POLL; + /* If there are external regulators, get them */ + if (mmc_regulator_get_supply(mmc) == -EPROBE_DEFER) + return -EPROBE_DEFER; + /* If vqmmc regulator and no 1.8V signalling, then there's no UHS */ - host->vqmmc = regulator_get_optional(mmc_dev(mmc), "vqmmc"); - if (IS_ERR_OR_NULL(host->vqmmc)) { - if (PTR_ERR(host->vqmmc) < 0) { - pr_info("%s: no vqmmc regulator found\n", - mmc_hostname(mmc)); - host->vqmmc = NULL; - } - } else { - ret = regulator_enable(host->vqmmc); - if (!regulator_is_supported_voltage(host->vqmmc, 1700000, - 1950000)) + if (!IS_ERR(mmc->supply.vqmmc)) { + ret = regulator_enable(mmc->supply.vqmmc); + if (!regulator_is_supported_voltage(mmc->supply.vqmmc, 1700000, + 1950000)) caps[1] &= ~(SDHCI_SUPPORT_SDR104 | SDHCI_SUPPORT_SDR50 | SDHCI_SUPPORT_DDR50); if (ret) { pr_warn("%s: Failed to enable vqmmc regulator: %d\n", mmc_hostname(mmc), ret); - host->vqmmc = NULL; + mmc->supply.vqmmc = NULL; } } @@ -3041,34 +3040,6 @@ int sdhci_add_host(struct sdhci_host *host) ocr_avail = 0; - host->vmmc = regulator_get_optional(mmc_dev(mmc), "vmmc"); - if (IS_ERR_OR_NULL(host->vmmc)) { - if (PTR_ERR(host->vmmc) < 0) { - pr_info("%s: no vmmc regulator found\n", - mmc_hostname(mmc)); - host->vmmc = NULL; - } - } - -#ifdef CONFIG_REGULATOR - /* - * Voltage range check makes sense only if regulator reports - * any voltage value. - */ - if (host->vmmc && regulator_get_voltage(host->vmmc) > 0) { - ret = regulator_is_supported_voltage(host->vmmc, 2700000, - 3600000); - if ((ret <= 0) || (!(caps[0] & SDHCI_CAN_VDD_330))) - caps[0] &= ~SDHCI_CAN_VDD_330; - if ((ret <= 0) || (!(caps[0] & SDHCI_CAN_VDD_300))) - caps[0] &= ~SDHCI_CAN_VDD_300; - ret = regulator_is_supported_voltage(host->vmmc, 1700000, - 1950000); - if ((ret <= 0) || (!(caps[0] & SDHCI_CAN_VDD_180))) - caps[0] &= ~SDHCI_CAN_VDD_180; - } -#endif /* CONFIG_REGULATOR */ - /* * According to SD Host Controller spec v3.00, if the Host System * can afford more than 150mA, Host Driver should set XPC to 1. Also @@ -3077,8 +3048,8 @@ int sdhci_add_host(struct sdhci_host *host) * value. */ max_current_caps = sdhci_readl(host, SDHCI_MAX_CURRENT); - if (!max_current_caps && host->vmmc) { - u32 curr = regulator_get_current_limit(host->vmmc); + if (!max_current_caps && !IS_ERR(mmc->supply.vmmc)) { + u32 curr = regulator_get_current_limit(mmc->supply.vmmc); if (curr > 0) { /* convert to SDHCI_MAX_CURRENT format */ @@ -3118,8 +3089,12 @@ int sdhci_add_host(struct sdhci_host *host) SDHCI_MAX_CURRENT_MULTIPLIER; } + /* If OCR set by external regulators, use it instead */ + if (mmc->ocr_avail) + ocr_avail = mmc->ocr_avail; + if (host->ocr_mask) - ocr_avail = host->ocr_mask; + ocr_avail &= host->ocr_mask; mmc->ocr_avail = ocr_avail; mmc->ocr_avail_sdio = ocr_avail; @@ -3273,6 +3248,7 @@ EXPORT_SYMBOL_GPL(sdhci_add_host); void sdhci_remove_host(struct sdhci_host *host, int dead) { + struct mmc_host *mmc = host->mmc; unsigned long flags; if (dead) { @@ -3282,7 +3258,7 @@ void sdhci_remove_host(struct sdhci_host *host, int dead) if (host->mrq) { pr_err("%s: Controller removed during " - " transfer!\n", mmc_hostname(host->mmc)); + " transfer!\n", mmc_hostname(mmc)); host->mrq->cmd->error = -ENOMEDIUM; tasklet_schedule(&host->finish_tasklet); @@ -3293,7 +3269,7 @@ void sdhci_remove_host(struct sdhci_host *host, int dead) sdhci_disable_card_detection(host); - mmc_remove_host(host->mmc); + mmc_remove_host(mmc); #ifdef SDHCI_USE_LEDS_CLASS led_classdev_unregister(&host->led); @@ -3310,18 +3286,14 @@ void sdhci_remove_host(struct sdhci_host *host, int dead) tasklet_kill(&host->finish_tasklet); - if (host->vmmc) { - regulator_disable(host->vmmc); - regulator_put(host->vmmc); - } + if (!IS_ERR(mmc->supply.vmmc)) + regulator_disable(mmc->supply.vmmc); - if (host->vqmmc) { - regulator_disable(host->vqmmc); - regulator_put(host->vqmmc); - } + if (!IS_ERR(mmc->supply.vqmmc)) + regulator_disable(mmc->supply.vqmmc); if (host->adma_desc) - dma_free_coherent(mmc_dev(host->mmc), ADMA_SIZE, + dma_free_coherent(mmc_dev(mmc), ADMA_SIZE, host->adma_desc, host->adma_addr); kfree(host->align_buffer); diff --git a/drivers/mmc/host/sh_mmcif.c b/drivers/mmc/host/sh_mmcif.c index 656fbba4c422..d11708c815d7 100644 --- a/drivers/mmc/host/sh_mmcif.c +++ b/drivers/mmc/host/sh_mmcif.c @@ -386,7 +386,7 @@ sh_mmcif_request_dma_one(struct sh_mmcif_host *host, struct sh_mmcif_plat_data *pdata, enum dma_transfer_direction direction) { - struct dma_slave_config cfg; + struct dma_slave_config cfg = { 0, }; struct dma_chan *chan; unsigned int slave_id; struct resource *res; @@ -417,8 +417,15 @@ sh_mmcif_request_dma_one(struct sh_mmcif_host *host, /* In the OF case the driver will get the slave ID from the DT */ cfg.slave_id = slave_id; cfg.direction = direction; - cfg.dst_addr = res->start + MMCIF_CE_DATA; - cfg.src_addr = 0; + + if (direction == DMA_DEV_TO_MEM) { + cfg.src_addr = res->start + MMCIF_CE_DATA; + cfg.src_addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES; + } else { + cfg.dst_addr = res->start + MMCIF_CE_DATA; + cfg.dst_addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES; + } + ret = dmaengine_slave_config(chan, &cfg); if (ret < 0) { dma_release_channel(chan); @@ -1378,26 +1385,19 @@ static int sh_mmcif_probe(struct platform_device *pdev) dev_err(&pdev->dev, "Get irq error\n"); return -ENXIO; } + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (!res) { - dev_err(&pdev->dev, "platform_get_resource error.\n"); - return -ENXIO; - } - reg = ioremap(res->start, resource_size(res)); - if (!reg) { - dev_err(&pdev->dev, "ioremap error.\n"); - return -ENOMEM; - } + reg = devm_ioremap_resource(&pdev->dev, res); + if (IS_ERR(reg)) + return PTR_ERR(reg); mmc = mmc_alloc_host(sizeof(struct sh_mmcif_host), &pdev->dev); - if (!mmc) { - ret = -ENOMEM; - goto ealloch; - } + if (!mmc) + return -ENOMEM; ret = mmc_of_parse(mmc); if (ret < 0) - goto eofparse; + goto err_host; host = mmc_priv(mmc); host->mmc = mmc; @@ -1427,19 +1427,19 @@ static int sh_mmcif_probe(struct platform_device *pdev) pm_runtime_enable(&pdev->dev); host->power = false; - host->hclk = clk_get(&pdev->dev, NULL); + host->hclk = devm_clk_get(&pdev->dev, NULL); if (IS_ERR(host->hclk)) { ret = PTR_ERR(host->hclk); dev_err(&pdev->dev, "cannot get clock: %d\n", ret); - goto eclkget; + goto err_pm; } ret = sh_mmcif_clk_update(host); if (ret < 0) - goto eclkupdate; + goto err_pm; ret = pm_runtime_resume(&pdev->dev); if (ret < 0) - goto eresume; + goto err_clk; INIT_DELAYED_WORK(&host->timeout_work, mmcif_timeout_work); @@ -1447,65 +1447,55 @@ static int sh_mmcif_probe(struct platform_device *pdev) sh_mmcif_writel(host->addr, MMCIF_CE_INT_MASK, MASK_ALL); name = irq[1] < 0 ? dev_name(&pdev->dev) : "sh_mmc:error"; - ret = request_threaded_irq(irq[0], sh_mmcif_intr, sh_mmcif_irqt, 0, name, host); + ret = devm_request_threaded_irq(&pdev->dev, irq[0], sh_mmcif_intr, + sh_mmcif_irqt, 0, name, host); if (ret) { dev_err(&pdev->dev, "request_irq error (%s)\n", name); - goto ereqirq0; + goto err_clk; } if (irq[1] >= 0) { - ret = request_threaded_irq(irq[1], sh_mmcif_intr, sh_mmcif_irqt, - 0, "sh_mmc:int", host); + ret = devm_request_threaded_irq(&pdev->dev, irq[1], + sh_mmcif_intr, sh_mmcif_irqt, + 0, "sh_mmc:int", host); if (ret) { dev_err(&pdev->dev, "request_irq error (sh_mmc:int)\n"); - goto ereqirq1; + goto err_clk; } } if (pd && pd->use_cd_gpio) { ret = mmc_gpio_request_cd(mmc, pd->cd_gpio, 0); if (ret < 0) - goto erqcd; + goto err_clk; } mutex_init(&host->thread_lock); - clk_disable_unprepare(host->hclk); ret = mmc_add_host(mmc); if (ret < 0) - goto emmcaddh; + goto err_clk; dev_pm_qos_expose_latency_limit(&pdev->dev, 100); - dev_info(&pdev->dev, "driver version %s\n", DRIVER_VERSION); - dev_dbg(&pdev->dev, "chip ver H'%04x\n", - sh_mmcif_readl(host->addr, MMCIF_CE_VERSION) & 0x0000ffff); + dev_info(&pdev->dev, "Chip version 0x%04x, clock rate %luMHz\n", + sh_mmcif_readl(host->addr, MMCIF_CE_VERSION) & 0xffff, + clk_get_rate(host->hclk) / 1000000UL); + + clk_disable_unprepare(host->hclk); return ret; -emmcaddh: -erqcd: - if (irq[1] >= 0) - free_irq(irq[1], host); -ereqirq1: - free_irq(irq[0], host); -ereqirq0: - pm_runtime_suspend(&pdev->dev); -eresume: +err_clk: clk_disable_unprepare(host->hclk); -eclkupdate: - clk_put(host->hclk); -eclkget: +err_pm: pm_runtime_disable(&pdev->dev); -eofparse: +err_host: mmc_free_host(mmc); -ealloch: - iounmap(reg); return ret; } static int sh_mmcif_remove(struct platform_device *pdev) { struct sh_mmcif_host *host = platform_get_drvdata(pdev); - int irq[2]; host->dying = true; clk_prepare_enable(host->hclk); @@ -1523,16 +1513,6 @@ static int sh_mmcif_remove(struct platform_device *pdev) */ cancel_delayed_work_sync(&host->timeout_work); - if (host->addr) - iounmap(host->addr); - - irq[0] = platform_get_irq(pdev, 0); - irq[1] = platform_get_irq(pdev, 1); - - free_irq(irq[0], host); - if (irq[1] >= 0) - free_irq(irq[1], host); - clk_disable_unprepare(host->hclk); mmc_free_host(host->mmc); pm_runtime_put_sync(&pdev->dev); diff --git a/drivers/mmc/host/tmio_mmc_dma.c b/drivers/mmc/host/tmio_mmc_dma.c index 03e7b280cb4c..eb8f1d5c34b1 100644 --- a/drivers/mmc/host/tmio_mmc_dma.c +++ b/drivers/mmc/host/tmio_mmc_dma.c @@ -294,6 +294,7 @@ void tmio_mmc_request_dma(struct tmio_mmc_host *host, struct tmio_mmc_data *pdat cfg.slave_id = pdata->dma->slave_id_tx; cfg.direction = DMA_MEM_TO_DEV; cfg.dst_addr = res->start + (CTL_SD_DATA_PORT << host->pdata->bus_shift); + cfg.dst_addr_width = DMA_SLAVE_BUSWIDTH_2_BYTES; cfg.src_addr = 0; ret = dmaengine_slave_config(host->chan_tx, &cfg); if (ret < 0) @@ -312,6 +313,7 @@ void tmio_mmc_request_dma(struct tmio_mmc_host *host, struct tmio_mmc_data *pdat cfg.slave_id = pdata->dma->slave_id_rx; cfg.direction = DMA_DEV_TO_MEM; cfg.src_addr = cfg.dst_addr; + cfg.src_addr_width = DMA_SLAVE_BUSWIDTH_2_BYTES; cfg.dst_addr = 0; ret = dmaengine_slave_config(host->chan_rx, &cfg); if (ret < 0) diff --git a/drivers/mmc/host/wmt-sdmmc.c b/drivers/mmc/host/wmt-sdmmc.c index 282891a8e451..54181b4f6e9e 100644 --- a/drivers/mmc/host/wmt-sdmmc.c +++ b/drivers/mmc/host/wmt-sdmmc.c @@ -72,7 +72,6 @@ #define BM_SPI_CS 0x20 #define BM_SD_POWER 0x40 #define BM_SOFT_RESET 0x80 -#define BM_ONEBIT_MASK 0xFD /* SDMMC_BLKLEN bit fields */ #define BLKL_CRCERR_ABORT 0x0800 @@ -120,6 +119,8 @@ #define STS2_DATARSP_BUSY 0x20 #define STS2_DIS_FORCECLK 0x80 +/* SDMMC_EXTCTRL bit fields */ +#define EXT_EIGHTBIT 0x04 /* MMC/SD DMA Controller Registers */ #define SDDMA_GCR 0x100 @@ -672,7 +673,7 @@ static void wmt_mci_request(struct mmc_host *mmc, struct mmc_request *req) static void wmt_mci_set_ios(struct mmc_host *mmc, struct mmc_ios *ios) { struct wmt_mci_priv *priv; - u32 reg_tmp; + u32 busmode, extctrl; priv = mmc_priv(mmc); @@ -687,28 +688,26 @@ static void wmt_mci_set_ios(struct mmc_host *mmc, struct mmc_ios *ios) if (ios->clock != 0) clk_set_rate(priv->clk_sdmmc, ios->clock); + busmode = readb(priv->sdmmc_base + SDMMC_BUSMODE); + extctrl = readb(priv->sdmmc_base + SDMMC_EXTCTRL); + + busmode &= ~(BM_EIGHTBIT_MODE | BM_FOURBIT_MODE); + extctrl &= ~EXT_EIGHTBIT; + switch (ios->bus_width) { case MMC_BUS_WIDTH_8: - reg_tmp = readb(priv->sdmmc_base + SDMMC_EXTCTRL); - writeb(reg_tmp | 0x04, priv->sdmmc_base + SDMMC_EXTCTRL); + busmode |= BM_EIGHTBIT_MODE; + extctrl |= EXT_EIGHTBIT; break; case MMC_BUS_WIDTH_4: - reg_tmp = readb(priv->sdmmc_base + SDMMC_BUSMODE); - writeb(reg_tmp | BM_FOURBIT_MODE, priv->sdmmc_base + - SDMMC_BUSMODE); - - reg_tmp = readb(priv->sdmmc_base + SDMMC_EXTCTRL); - writeb(reg_tmp & 0xFB, priv->sdmmc_base + SDMMC_EXTCTRL); + busmode |= BM_FOURBIT_MODE; break; case MMC_BUS_WIDTH_1: - reg_tmp = readb(priv->sdmmc_base + SDMMC_BUSMODE); - writeb(reg_tmp & BM_ONEBIT_MASK, priv->sdmmc_base + - SDMMC_BUSMODE); - - reg_tmp = readb(priv->sdmmc_base + SDMMC_EXTCTRL); - writeb(reg_tmp & 0xFB, priv->sdmmc_base + SDMMC_EXTCTRL); break; } + + writeb(busmode, priv->sdmmc_base + SDMMC_BUSMODE); + writeb(extctrl, priv->sdmmc_base + SDMMC_EXTCTRL); } static int wmt_mci_get_ro(struct mmc_host *mmc) @@ -830,7 +829,7 @@ static int wmt_mci_probe(struct platform_device *pdev) goto fail3; } - ret = request_irq(dma_irq, wmt_mci_dma_isr, 32, "sdmmc", priv); + ret = request_irq(dma_irq, wmt_mci_dma_isr, 0, "sdmmc", priv); if (ret) { dev_err(&pdev->dev, "Register DMA IRQ fail\n"); goto fail4; diff --git a/drivers/mtd/ubi/block.c b/drivers/mtd/ubi/block.c index 8457df7ec5af..33c64955d4d7 100644 --- a/drivers/mtd/ubi/block.c +++ b/drivers/mtd/ubi/block.c @@ -378,9 +378,11 @@ int ubiblock_create(struct ubi_volume_info *vi) { struct ubiblock *dev; struct gendisk *gd; - int disk_capacity; + u64 disk_capacity = ((u64)vi->size * vi->usable_leb_size) >> 9; int ret; + if ((sector_t)disk_capacity != disk_capacity) + return -EFBIG; /* Check that the volume isn't already handled */ mutex_lock(&devices_mutex); if (find_dev_nolock(vi->ubi_num, vi->vol_id)) { @@ -412,7 +414,6 @@ int ubiblock_create(struct ubi_volume_info *vi) gd->first_minor = dev->ubi_num * UBI_MAX_VOLUMES + dev->vol_id; gd->private_data = dev; sprintf(gd->disk_name, "ubiblock%d_%d", dev->ubi_num, dev->vol_id); - disk_capacity = (vi->size * vi->usable_leb_size) >> 9; set_capacity(gd, disk_capacity); dev->gd = gd; @@ -498,11 +499,16 @@ int ubiblock_remove(struct ubi_volume_info *vi) return 0; } -static void ubiblock_resize(struct ubi_volume_info *vi) +static int ubiblock_resize(struct ubi_volume_info *vi) { struct ubiblock *dev; - int disk_capacity; + u64 disk_capacity = ((u64)vi->size * vi->usable_leb_size) >> 9; + if ((sector_t)disk_capacity != disk_capacity) { + ubi_warn("%s: the volume is too big, cannot resize (%d LEBs)", + dev->gd->disk_name, vi->size); + return -EFBIG; + } /* * Need to lock the device list until we stop using the device, * otherwise the device struct might get released in @@ -512,15 +518,15 @@ static void ubiblock_resize(struct ubi_volume_info *vi) dev = find_dev_nolock(vi->ubi_num, vi->vol_id); if (!dev) { mutex_unlock(&devices_mutex); - return; + return -ENODEV; } mutex_lock(&dev->dev_mutex); - disk_capacity = (vi->size * vi->usable_leb_size) >> 9; set_capacity(dev->gd, disk_capacity); ubi_msg("%s resized to %d LEBs", dev->gd->disk_name, vi->size); mutex_unlock(&dev->dev_mutex); mutex_unlock(&devices_mutex); + return 0; } static int ubiblock_notify(struct notifier_block *nb, diff --git a/drivers/mtd/ubi/vtbl.c b/drivers/mtd/ubi/vtbl.c index d77b1c1d7c72..07cac5f9ffb8 100644 --- a/drivers/mtd/ubi/vtbl.c +++ b/drivers/mtd/ubi/vtbl.c @@ -591,7 +591,7 @@ static int init_volumes(struct ubi_device *ubi, /* Static volumes only */ av = ubi_find_av(ai, i); - if (!av) { + if (!av || !av->leb_count) { /* * No eraseblocks belonging to this volume found. We * don't actually know whether this static volume is diff --git a/drivers/mtd/ubi/wl.c b/drivers/mtd/ubi/wl.c index 0f3425dac910..20f491713145 100644 --- a/drivers/mtd/ubi/wl.c +++ b/drivers/mtd/ubi/wl.c @@ -1718,12 +1718,12 @@ int ubi_wl_flush(struct ubi_device *ubi, int vol_id, int lnum) vol_id, lnum, ubi->works_count); while (found) { - struct ubi_work *wrk; + struct ubi_work *wrk, *tmp; found = 0; down_read(&ubi->work_sem); spin_lock(&ubi->wl_lock); - list_for_each_entry(wrk, &ubi->works, list) { + list_for_each_entry_safe(wrk, tmp, &ubi->works, list) { if ((vol_id == UBI_ALL || wrk->vol_id == vol_id) && (lnum == UBI_ALL || wrk->lnum == lnum)) { list_del(&wrk->list); diff --git a/drivers/net/arcnet/com20020-pci.c b/drivers/net/arcnet/com20020-pci.c index cbc44f53755a..7bb292e59559 100644 --- a/drivers/net/arcnet/com20020-pci.c +++ b/drivers/net/arcnet/com20020-pci.c @@ -144,7 +144,7 @@ static void com20020pci_remove(struct pci_dev *pdev) free_netdev(dev); } -static DEFINE_PCI_DEVICE_TABLE(com20020pci_id_table) = { +static const struct pci_device_id com20020pci_id_table[] = { { 0x1571, 0xa001, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, { 0x1571, 0xa002, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, { 0x1571, 0xa003, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, diff --git a/drivers/net/arcnet/com20020_cs.c b/drivers/net/arcnet/com20020_cs.c index 326a612a2730..1a790a20210d 100644 --- a/drivers/net/arcnet/com20020_cs.c +++ b/drivers/net/arcnet/com20020_cs.c @@ -112,20 +112,20 @@ static void com20020_detach(struct pcmcia_device *p_dev); /*====================================================================*/ -typedef struct com20020_dev_t { +struct com20020_dev { struct net_device *dev; -} com20020_dev_t; +}; static int com20020_probe(struct pcmcia_device *p_dev) { - com20020_dev_t *info; + struct com20020_dev *info; struct net_device *dev; struct arcnet_local *lp; dev_dbg(&p_dev->dev, "com20020_attach()\n"); /* Create new network device */ - info = kzalloc(sizeof(struct com20020_dev_t), GFP_KERNEL); + info = kzalloc(sizeof(*info), GFP_KERNEL); if (!info) goto fail_alloc_info; @@ -160,7 +160,7 @@ fail_alloc_info: static void com20020_detach(struct pcmcia_device *link) { - struct com20020_dev_t *info = link->priv; + struct com20020_dev *info = link->priv; struct net_device *dev = info->dev; dev_dbg(&link->dev, "detach...\n"); @@ -199,7 +199,7 @@ static void com20020_detach(struct pcmcia_device *link) static int com20020_config(struct pcmcia_device *link) { struct arcnet_local *lp; - com20020_dev_t *info; + struct com20020_dev *info; struct net_device *dev; int i, ret; int ioaddr; @@ -291,7 +291,7 @@ static void com20020_release(struct pcmcia_device *link) static int com20020_suspend(struct pcmcia_device *link) { - com20020_dev_t *info = link->priv; + struct com20020_dev *info = link->priv; struct net_device *dev = info->dev; if (link->open) @@ -302,7 +302,7 @@ static int com20020_suspend(struct pcmcia_device *link) static int com20020_resume(struct pcmcia_device *link) { - com20020_dev_t *info = link->priv; + struct com20020_dev *info = link->priv; struct net_device *dev = info->dev; if (link->open) { diff --git a/drivers/net/can/c_can/c_can_pci.c b/drivers/net/can/c_can/c_can_pci.c index 5d11e0e4225b..7be393c96b1a 100644 --- a/drivers/net/can/c_can/c_can_pci.c +++ b/drivers/net/can/c_can/c_can_pci.c @@ -270,7 +270,8 @@ static struct c_can_pci_data c_can_pch = { PCI_DEVICE(_vend, _dev), \ .driver_data = (unsigned long)&_driverdata, \ } -static DEFINE_PCI_DEVICE_TABLE(c_can_pci_tbl) = { + +static const struct pci_device_id c_can_pci_tbl[] = { C_CAN_ID(PCI_VENDOR_ID_STMICRO, PCI_DEVICE_ID_STMICRO_CAN, c_can_sta2x11), C_CAN_ID(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_PCH_CAN, diff --git a/drivers/net/can/pch_can.c b/drivers/net/can/pch_can.c index 6472562efedc..a67eb01f3028 100644 --- a/drivers/net/can/pch_can.c +++ b/drivers/net/can/pch_can.c @@ -194,7 +194,7 @@ static const struct can_bittiming_const pch_can_bittiming_const = { .brp_inc = 1, }; -static DEFINE_PCI_DEVICE_TABLE(pch_pci_tbl) = { +static const struct pci_device_id pch_pci_tbl[] = { {PCI_VENDOR_ID_INTEL, 0x8818, PCI_ANY_ID, PCI_ANY_ID,}, {0,} }; diff --git a/drivers/net/can/sja1000/ems_pci.c b/drivers/net/can/sja1000/ems_pci.c index fd13dbf07d9c..7481c324a476 100644 --- a/drivers/net/can/sja1000/ems_pci.c +++ b/drivers/net/can/sja1000/ems_pci.c @@ -101,7 +101,7 @@ struct ems_pci_card { #define EMS_PCI_BASE_SIZE 4096 /* size of controller area */ -static DEFINE_PCI_DEVICE_TABLE(ems_pci_tbl) = { +static const struct pci_device_id ems_pci_tbl[] = { /* CPC-PCI v1 */ {PCI_VENDOR_ID_SIEMENS, 0x2104, PCI_ANY_ID, PCI_ANY_ID,}, /* CPC-PCI v2 */ diff --git a/drivers/net/can/sja1000/kvaser_pci.c b/drivers/net/can/sja1000/kvaser_pci.c index 23b8e1324e25..8ff3424d5147 100644 --- a/drivers/net/can/sja1000/kvaser_pci.c +++ b/drivers/net/can/sja1000/kvaser_pci.c @@ -107,7 +107,7 @@ struct kvaser_pci { #define KVASER_PCI_VENDOR_ID2 0x1a07 /* the PCI device and vendor IDs */ #define KVASER_PCI_DEVICE_ID2 0x0008 -static DEFINE_PCI_DEVICE_TABLE(kvaser_pci_tbl) = { +static const struct pci_device_id kvaser_pci_tbl[] = { {KVASER_PCI_VENDOR_ID1, KVASER_PCI_DEVICE_ID1, PCI_ANY_ID, PCI_ANY_ID,}, {KVASER_PCI_VENDOR_ID2, KVASER_PCI_DEVICE_ID2, PCI_ANY_ID, PCI_ANY_ID,}, { 0,} diff --git a/drivers/net/can/sja1000/peak_pci.c b/drivers/net/can/sja1000/peak_pci.c index 564933ae218c..7a85590fefb9 100644 --- a/drivers/net/can/sja1000/peak_pci.c +++ b/drivers/net/can/sja1000/peak_pci.c @@ -77,7 +77,7 @@ static const u16 peak_pci_icr_masks[PEAK_PCI_CHAN_MAX] = { 0x02, 0x01, 0x40, 0x80 }; -static DEFINE_PCI_DEVICE_TABLE(peak_pci_tbl) = { +static const struct pci_device_id peak_pci_tbl[] = { {PEAK_PCI_VENDOR_ID, PEAK_PCI_DEVICE_ID, PCI_ANY_ID, PCI_ANY_ID,}, {PEAK_PCI_VENDOR_ID, PEAK_PCIE_DEVICE_ID, PCI_ANY_ID, PCI_ANY_ID,}, {PEAK_PCI_VENDOR_ID, PEAK_MPCI_DEVICE_ID, PCI_ANY_ID, PCI_ANY_ID,}, diff --git a/drivers/net/can/sja1000/plx_pci.c b/drivers/net/can/sja1000/plx_pci.c index ec39b7cb2287..8836a7485c81 100644 --- a/drivers/net/can/sja1000/plx_pci.c +++ b/drivers/net/can/sja1000/plx_pci.c @@ -247,7 +247,7 @@ static struct plx_pci_card_info plx_pci_card_info_elcus = { /* based on PLX9030 */ }; -static DEFINE_PCI_DEVICE_TABLE(plx_pci_tbl) = { +static const struct pci_device_id plx_pci_tbl[] = { { /* Adlink PCI-7841/cPCI-7841 */ ADLINK_PCI_VENDOR_ID, ADLINK_PCI_DEVICE_ID, diff --git a/drivers/net/ethernet/3com/3c59x.c b/drivers/net/ethernet/3com/3c59x.c index 61477b8e8d24..059c7414e303 100644 --- a/drivers/net/ethernet/3com/3c59x.c +++ b/drivers/net/ethernet/3com/3c59x.c @@ -375,7 +375,7 @@ static struct vortex_chip_info { }; -static DEFINE_PCI_DEVICE_TABLE(vortex_pci_tbl) = { +static const struct pci_device_id vortex_pci_tbl[] = { { 0x10B7, 0x5900, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CH_3C590 }, { 0x10B7, 0x5920, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CH_3C592 }, { 0x10B7, 0x5970, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CH_3C597 }, diff --git a/drivers/net/ethernet/3com/typhoon.c b/drivers/net/ethernet/3com/typhoon.c index e13b04624ded..48775b88bac7 100644 --- a/drivers/net/ethernet/3com/typhoon.c +++ b/drivers/net/ethernet/3com/typhoon.c @@ -203,7 +203,7 @@ static struct typhoon_card_info typhoon_card_info[] = { * bit 8 indicates if this is a (0) copper or (1) fiber card * bits 12-16 indicate card type: (0) client and (1) server */ -static DEFINE_PCI_DEVICE_TABLE(typhoon_pci_tbl) = { +static const struct pci_device_id typhoon_pci_tbl[] = { { PCI_VENDOR_ID_3COM, PCI_DEVICE_ID_3COM_3CR990, PCI_ANY_ID, PCI_ANY_ID, 0, 0,TYPHOON_TX }, { PCI_VENDOR_ID_3COM, PCI_DEVICE_ID_3COM_3CR990_TX_95, diff --git a/drivers/net/ethernet/8390/Kconfig b/drivers/net/ethernet/8390/Kconfig index 0988811f4e40..2d89bd00de61 100644 --- a/drivers/net/ethernet/8390/Kconfig +++ b/drivers/net/ethernet/8390/Kconfig @@ -91,7 +91,8 @@ config MCF8390 config NE2000 tristate "NE2000/NE1000 support" - depends on (ISA || (Q40 && m) || M32R || MACH_TX49XX) + depends on (ISA || (Q40 && m) || M32R || MACH_TX49XX || \ + ATARI_ETHERNEC) select CRC32 ---help--- If you have a network (Ethernet) card of this type, say Y and read diff --git a/drivers/net/ethernet/8390/axnet_cs.c b/drivers/net/ethernet/8390/axnet_cs.c index 73c57a4a7b9e..7769c05543f1 100644 --- a/drivers/net/ethernet/8390/axnet_cs.c +++ b/drivers/net/ethernet/8390/axnet_cs.c @@ -108,7 +108,7 @@ static u32 axnet_msg_enable; /*====================================================================*/ -typedef struct axnet_dev_t { +struct axnet_dev { struct pcmcia_device *p_dev; caddr_t base; struct timer_list watchdog; @@ -118,9 +118,9 @@ typedef struct axnet_dev_t { int phy_id; int flags; int active_low; -} axnet_dev_t; +}; -static inline axnet_dev_t *PRIV(struct net_device *dev) +static inline struct axnet_dev *PRIV(struct net_device *dev) { void *p = (char *)netdev_priv(dev) + sizeof(struct ei_device); return p; @@ -141,13 +141,13 @@ static const struct net_device_ops axnet_netdev_ops = { static int axnet_probe(struct pcmcia_device *link) { - axnet_dev_t *info; + struct axnet_dev *info; struct net_device *dev; struct ei_device *ei_local; dev_dbg(&link->dev, "axnet_attach()\n"); - dev = alloc_etherdev(sizeof(struct ei_device) + sizeof(axnet_dev_t)); + dev = alloc_etherdev(sizeof(struct ei_device) + sizeof(struct axnet_dev)); if (!dev) return -ENOMEM; @@ -274,7 +274,7 @@ static int axnet_configcheck(struct pcmcia_device *p_dev, void *priv_data) static int axnet_config(struct pcmcia_device *link) { struct net_device *dev = link->priv; - axnet_dev_t *info = PRIV(dev); + struct axnet_dev *info = PRIV(dev); int i, j, j2, ret; dev_dbg(&link->dev, "axnet_config(0x%p)\n", link); @@ -389,7 +389,7 @@ static int axnet_suspend(struct pcmcia_device *link) static int axnet_resume(struct pcmcia_device *link) { struct net_device *dev = link->priv; - axnet_dev_t *info = PRIV(dev); + struct axnet_dev *info = PRIV(dev); if (link->open) { if (info->active_low == 1) @@ -467,7 +467,7 @@ static void mdio_write(unsigned int addr, int phy_id, int loc, int value) static int axnet_open(struct net_device *dev) { int ret; - axnet_dev_t *info = PRIV(dev); + struct axnet_dev *info = PRIV(dev); struct pcmcia_device *link = info->p_dev; unsigned int nic_base = dev->base_addr; @@ -497,7 +497,7 @@ static int axnet_open(struct net_device *dev) static int axnet_close(struct net_device *dev) { - axnet_dev_t *info = PRIV(dev); + struct axnet_dev *info = PRIV(dev); struct pcmcia_device *link = info->p_dev; dev_dbg(&link->dev, "axnet_close('%s')\n", dev->name); @@ -554,7 +554,7 @@ static irqreturn_t ei_irq_wrapper(int irq, void *dev_id) static void ei_watchdog(u_long arg) { struct net_device *dev = (struct net_device *)(arg); - axnet_dev_t *info = PRIV(dev); + struct axnet_dev *info = PRIV(dev); unsigned int nic_base = dev->base_addr; unsigned int mii_addr = nic_base + AXNET_MII_EEP; u_short link; @@ -610,7 +610,7 @@ reschedule: static int axnet_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) { - axnet_dev_t *info = PRIV(dev); + struct axnet_dev *info = PRIV(dev); struct mii_ioctl_data *data = if_mii(rq); unsigned int mii_addr = dev->base_addr + AXNET_MII_EEP; switch (cmd) { @@ -1452,7 +1452,7 @@ static void ei_receive(struct net_device *dev) static void ei_rx_overrun(struct net_device *dev) { - axnet_dev_t *info = PRIV(dev); + struct axnet_dev *info = PRIV(dev); long e8390_base = dev->base_addr; unsigned char was_txing, must_resend = 0; struct ei_device *ei_local = netdev_priv(dev); @@ -1624,7 +1624,7 @@ static void set_multicast_list(struct net_device *dev) static void AX88190_init(struct net_device *dev, int startp) { - axnet_dev_t *info = PRIV(dev); + struct axnet_dev *info = PRIV(dev); long e8390_base = dev->base_addr; struct ei_device *ei_local = netdev_priv(dev); int i; diff --git a/drivers/net/ethernet/8390/ne.c b/drivers/net/ethernet/8390/ne.c index 58eaa8f34942..de566fb6e0f7 100644 --- a/drivers/net/ethernet/8390/ne.c +++ b/drivers/net/ethernet/8390/ne.c @@ -169,6 +169,8 @@ bad_clone_list[] __initdata = { #elif defined(CONFIG_PLAT_OAKS32R) || \ defined(CONFIG_MACH_TX49XX) # define DCR_VAL 0x48 /* 8-bit mode */ +#elif defined(CONFIG_ATARI) /* 8-bit mode on Atari, normal on Q40 */ +# define DCR_VAL (MACH_IS_ATARI ? 0x48 : 0x49) #else # define DCR_VAL 0x49 #endif diff --git a/drivers/net/ethernet/8390/ne2k-pci.c b/drivers/net/ethernet/8390/ne2k-pci.c index f395c967262e..89c8d9fc97de 100644 --- a/drivers/net/ethernet/8390/ne2k-pci.c +++ b/drivers/net/ethernet/8390/ne2k-pci.c @@ -135,7 +135,7 @@ static struct { }; -static DEFINE_PCI_DEVICE_TABLE(ne2k_pci_tbl) = { +static const struct pci_device_id ne2k_pci_tbl[] = { { 0x10ec, 0x8029, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CH_RealTek_RTL_8029 }, { 0x1050, 0x0940, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CH_Winbond_89C940 }, { 0x11f6, 0x1401, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CH_Compex_RL2000 }, diff --git a/drivers/net/ethernet/8390/pcnet_cs.c b/drivers/net/ethernet/8390/pcnet_cs.c index ca3c2b921cf6..9fb7b9d4fd6c 100644 --- a/drivers/net/ethernet/8390/pcnet_cs.c +++ b/drivers/net/ethernet/8390/pcnet_cs.c @@ -111,11 +111,11 @@ static void pcnet_detach(struct pcmcia_device *p_dev); /*====================================================================*/ -typedef struct hw_info_t { +struct hw_info { u_int offset; u_char a0, a1, a2; u_int flags; -} hw_info_t; +}; #define DELAY_OUTPUT 0x01 #define HAS_MISC_REG 0x02 @@ -132,7 +132,7 @@ typedef struct hw_info_t { #define MII_PHYID_REG1 0x02 #define MII_PHYID_REG2 0x03 -static hw_info_t hw_info[] = { +static struct hw_info hw_info[] = { { /* Accton EN2212 */ 0x0ff0, 0x00, 0x00, 0xe8, DELAY_OUTPUT }, { /* Allied Telesis LA-PCM */ 0x0ff0, 0x00, 0x00, 0xf4, 0 }, { /* APEX MultiCard */ 0x03f4, 0x00, 0x20, 0xe5, 0 }, @@ -196,11 +196,11 @@ static hw_info_t hw_info[] = { #define NR_INFO ARRAY_SIZE(hw_info) -static hw_info_t default_info = { 0, 0, 0, 0, 0 }; -static hw_info_t dl10019_info = { 0, 0, 0, 0, IS_DL10019|HAS_MII }; -static hw_info_t dl10022_info = { 0, 0, 0, 0, IS_DL10022|HAS_MII }; +static struct hw_info default_info = { 0, 0, 0, 0, 0 }; +static struct hw_info dl10019_info = { 0, 0, 0, 0, IS_DL10019|HAS_MII }; +static struct hw_info dl10022_info = { 0, 0, 0, 0, IS_DL10022|HAS_MII }; -typedef struct pcnet_dev_t { +struct pcnet_dev { struct pcmcia_device *p_dev; u_int flags; void __iomem *base; @@ -210,12 +210,12 @@ typedef struct pcnet_dev_t { u_char eth_phy, pna_phy; u_short link_status; u_long mii_reset; -} pcnet_dev_t; +}; -static inline pcnet_dev_t *PRIV(struct net_device *dev) +static inline struct pcnet_dev *PRIV(struct net_device *dev) { char *p = netdev_priv(dev); - return (pcnet_dev_t *)(p + sizeof(struct ei_device)); + return (struct pcnet_dev *)(p + sizeof(struct ei_device)); } static const struct net_device_ops pcnet_netdev_ops = { @@ -237,13 +237,13 @@ static const struct net_device_ops pcnet_netdev_ops = { static int pcnet_probe(struct pcmcia_device *link) { - pcnet_dev_t *info; + struct pcnet_dev *info; struct net_device *dev; dev_dbg(&link->dev, "pcnet_attach()\n"); /* Create new ethernet device */ - dev = __alloc_ei_netdev(sizeof(pcnet_dev_t)); + dev = __alloc_ei_netdev(sizeof(struct pcnet_dev)); if (!dev) return -ENOMEM; info = PRIV(dev); info->p_dev = link; @@ -276,7 +276,7 @@ static void pcnet_detach(struct pcmcia_device *link) ======================================================================*/ -static hw_info_t *get_hwinfo(struct pcmcia_device *link) +static struct hw_info *get_hwinfo(struct pcmcia_device *link) { struct net_device *dev = link->priv; u_char __iomem *base, *virt; @@ -317,7 +317,7 @@ static hw_info_t *get_hwinfo(struct pcmcia_device *link) ======================================================================*/ -static hw_info_t *get_prom(struct pcmcia_device *link) +static struct hw_info *get_prom(struct pcmcia_device *link) { struct net_device *dev = link->priv; unsigned int ioaddr = dev->base_addr; @@ -371,7 +371,7 @@ static hw_info_t *get_prom(struct pcmcia_device *link) ======================================================================*/ -static hw_info_t *get_dl10019(struct pcmcia_device *link) +static struct hw_info *get_dl10019(struct pcmcia_device *link) { struct net_device *dev = link->priv; int i; @@ -393,7 +393,7 @@ static hw_info_t *get_dl10019(struct pcmcia_device *link) ======================================================================*/ -static hw_info_t *get_ax88190(struct pcmcia_device *link) +static struct hw_info *get_ax88190(struct pcmcia_device *link) { struct net_device *dev = link->priv; unsigned int ioaddr = dev->base_addr; @@ -424,7 +424,7 @@ static hw_info_t *get_ax88190(struct pcmcia_device *link) ======================================================================*/ -static hw_info_t *get_hwired(struct pcmcia_device *link) +static struct hw_info *get_hwired(struct pcmcia_device *link) { struct net_device *dev = link->priv; int i; @@ -489,12 +489,12 @@ static int pcnet_confcheck(struct pcmcia_device *p_dev, void *priv_data) return try_io_port(p_dev); } -static hw_info_t *pcnet_try_config(struct pcmcia_device *link, - int *has_shmem, int try) +static struct hw_info *pcnet_try_config(struct pcmcia_device *link, + int *has_shmem, int try) { struct net_device *dev = link->priv; - hw_info_t *local_hw_info; - pcnet_dev_t *info = PRIV(dev); + struct hw_info *local_hw_info; + struct pcnet_dev *info = PRIV(dev); int priv = try; int ret; @@ -553,10 +553,10 @@ static hw_info_t *pcnet_try_config(struct pcmcia_device *link, static int pcnet_config(struct pcmcia_device *link) { struct net_device *dev = link->priv; - pcnet_dev_t *info = PRIV(dev); + struct pcnet_dev *info = PRIV(dev); int start_pg, stop_pg, cm_offset; int has_shmem = 0; - hw_info_t *local_hw_info; + struct hw_info *local_hw_info; struct ei_device *ei_local; dev_dbg(&link->dev, "pcnet_config\n"); @@ -639,7 +639,7 @@ failed: static void pcnet_release(struct pcmcia_device *link) { - pcnet_dev_t *info = PRIV(link->priv); + struct pcnet_dev *info = PRIV(link->priv); dev_dbg(&link->dev, "pcnet_release\n"); @@ -836,7 +836,7 @@ static void write_asic(unsigned int ioaddr, int location, short asic_data) static void set_misc_reg(struct net_device *dev) { unsigned int nic_base = dev->base_addr; - pcnet_dev_t *info = PRIV(dev); + struct pcnet_dev *info = PRIV(dev); u_char tmp; if (info->flags & HAS_MISC_REG) { @@ -873,7 +873,7 @@ static void set_misc_reg(struct net_device *dev) static void mii_phy_probe(struct net_device *dev) { - pcnet_dev_t *info = PRIV(dev); + struct pcnet_dev *info = PRIV(dev); unsigned int mii_addr = dev->base_addr + DLINK_GPIO; int i; u_int tmp, phyid; @@ -898,7 +898,7 @@ static void mii_phy_probe(struct net_device *dev) static int pcnet_open(struct net_device *dev) { int ret; - pcnet_dev_t *info = PRIV(dev); + struct pcnet_dev *info = PRIV(dev); struct pcmcia_device *link = info->p_dev; unsigned int nic_base = dev->base_addr; @@ -931,7 +931,7 @@ static int pcnet_open(struct net_device *dev) static int pcnet_close(struct net_device *dev) { - pcnet_dev_t *info = PRIV(dev); + struct pcnet_dev *info = PRIV(dev); struct pcmcia_device *link = info->p_dev; dev_dbg(&link->dev, "pcnet_close('%s')\n", dev->name); @@ -982,7 +982,7 @@ static void pcnet_reset_8390(struct net_device *dev) static int set_config(struct net_device *dev, struct ifmap *map) { - pcnet_dev_t *info = PRIV(dev); + struct pcnet_dev *info = PRIV(dev); if ((map->port != (u_char)(-1)) && (map->port != dev->if_port)) { if (!(info->flags & HAS_MISC_REG)) return -EOPNOTSUPP; @@ -1000,7 +1000,7 @@ static int set_config(struct net_device *dev, struct ifmap *map) static irqreturn_t ei_irq_wrapper(int irq, void *dev_id) { struct net_device *dev = dev_id; - pcnet_dev_t *info; + struct pcnet_dev *info; irqreturn_t ret = ei_interrupt(irq, dev_id); if (ret == IRQ_HANDLED) { @@ -1013,7 +1013,7 @@ static irqreturn_t ei_irq_wrapper(int irq, void *dev_id) static void ei_watchdog(u_long arg) { struct net_device *dev = (struct net_device *)arg; - pcnet_dev_t *info = PRIV(dev); + struct pcnet_dev *info = PRIV(dev); unsigned int nic_base = dev->base_addr; unsigned int mii_addr = nic_base + DLINK_GPIO; u_short link; @@ -1101,7 +1101,7 @@ reschedule: static int ei_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) { - pcnet_dev_t *info = PRIV(dev); + struct pcnet_dev *info = PRIV(dev); struct mii_ioctl_data *data = if_mii(rq); unsigned int mii_addr = dev->base_addr + DLINK_GPIO; @@ -1214,7 +1214,7 @@ static void dma_block_output(struct net_device *dev, int count, const u_char *buf, const int start_page) { unsigned int nic_base = dev->base_addr; - pcnet_dev_t *info = PRIV(dev); + struct pcnet_dev *info = PRIV(dev); #ifdef PCMCIA_DEBUG int retries = 0; struct ei_device *ei_local = netdev_priv(dev); @@ -1403,7 +1403,7 @@ static int setup_shmem_window(struct pcmcia_device *link, int start_pg, int stop_pg, int cm_offset) { struct net_device *dev = link->priv; - pcnet_dev_t *info = PRIV(dev); + struct pcnet_dev *info = PRIV(dev); int i, window_size, offset, ret; window_size = (stop_pg - start_pg) << 8; diff --git a/drivers/net/ethernet/Kconfig b/drivers/net/ethernet/Kconfig index edb718661850..dc7406c81c45 100644 --- a/drivers/net/ethernet/Kconfig +++ b/drivers/net/ethernet/Kconfig @@ -24,6 +24,7 @@ source "drivers/net/ethernet/allwinner/Kconfig" source "drivers/net/ethernet/alteon/Kconfig" source "drivers/net/ethernet/altera/Kconfig" source "drivers/net/ethernet/amd/Kconfig" +source "drivers/net/ethernet/apm/Kconfig" source "drivers/net/ethernet/apple/Kconfig" source "drivers/net/ethernet/arc/Kconfig" source "drivers/net/ethernet/atheros/Kconfig" diff --git a/drivers/net/ethernet/Makefile b/drivers/net/ethernet/Makefile index 58de3339ab3c..224a01877149 100644 --- a/drivers/net/ethernet/Makefile +++ b/drivers/net/ethernet/Makefile @@ -10,6 +10,7 @@ obj-$(CONFIG_NET_VENDOR_ALLWINNER) += allwinner/ obj-$(CONFIG_NET_VENDOR_ALTEON) += alteon/ obj-$(CONFIG_ALTERA_TSE) += altera/ obj-$(CONFIG_NET_VENDOR_AMD) += amd/ +obj-$(CONFIG_NET_XGENE) += apm/ obj-$(CONFIG_NET_VENDOR_APPLE) += apple/ obj-$(CONFIG_NET_VENDOR_ARC) += arc/ obj-$(CONFIG_NET_VENDOR_ATHEROS) += atheros/ diff --git a/drivers/net/ethernet/adaptec/starfire.c b/drivers/net/ethernet/adaptec/starfire.c index 40dbbf740331..ac7288240d55 100644 --- a/drivers/net/ethernet/adaptec/starfire.c +++ b/drivers/net/ethernet/adaptec/starfire.c @@ -285,7 +285,7 @@ enum chipset { CH_6915 = 0, }; -static DEFINE_PCI_DEVICE_TABLE(starfire_pci_tbl) = { +static const struct pci_device_id starfire_pci_tbl[] = { { PCI_VDEVICE(ADAPTEC, 0x6915), CH_6915 }, { 0, } }; diff --git a/drivers/net/ethernet/alteon/acenic.c b/drivers/net/ethernet/alteon/acenic.c index 9a6991be9749..b68074803de3 100644 --- a/drivers/net/ethernet/alteon/acenic.c +++ b/drivers/net/ethernet/alteon/acenic.c @@ -131,7 +131,7 @@ #define PCI_DEVICE_ID_SGI_ACENIC 0x0009 #endif -static DEFINE_PCI_DEVICE_TABLE(acenic_pci_tbl) = { +static const struct pci_device_id acenic_pci_tbl[] = { { PCI_VENDOR_ID_ALTEON, PCI_DEVICE_ID_ALTEON_ACENIC_FIBRE, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_NETWORK_ETHERNET << 8, 0xffff00, }, { PCI_VENDOR_ID_ALTEON, PCI_DEVICE_ID_ALTEON_ACENIC_COPPER, diff --git a/drivers/net/ethernet/amd/pcnet32.c b/drivers/net/ethernet/amd/pcnet32.c index 4a8fdc4721d5..e2e3aaf501a2 100644 --- a/drivers/net/ethernet/amd/pcnet32.c +++ b/drivers/net/ethernet/amd/pcnet32.c @@ -61,7 +61,7 @@ static const char *const version = /* * PCI device identifiers for "new style" Linux PCI Device Drivers */ -static DEFINE_PCI_DEVICE_TABLE(pcnet32_pci_tbl) = { +static const struct pci_device_id pcnet32_pci_tbl[] = { { PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_LANCE_HOME), }, { PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_LANCE), }, diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-drv.c b/drivers/net/ethernet/amd/xgbe/xgbe-drv.c index 1f5487f4888c..dc84f7193c2d 100644 --- a/drivers/net/ethernet/amd/xgbe/xgbe-drv.c +++ b/drivers/net/ethernet/amd/xgbe/xgbe-drv.c @@ -117,7 +117,6 @@ #include <linux/spinlock.h> #include <linux/tcp.h> #include <linux/if_vlan.h> -#include <linux/phy.h> #include <net/busy_poll.h> #include <linux/clk.h> #include <linux/if_ether.h> diff --git a/drivers/net/ethernet/apm/Kconfig b/drivers/net/ethernet/apm/Kconfig new file mode 100644 index 000000000000..ec63d706d464 --- /dev/null +++ b/drivers/net/ethernet/apm/Kconfig @@ -0,0 +1 @@ +source "drivers/net/ethernet/apm/xgene/Kconfig" diff --git a/drivers/net/ethernet/apm/Makefile b/drivers/net/ethernet/apm/Makefile new file mode 100644 index 000000000000..65ce32ad1b2c --- /dev/null +++ b/drivers/net/ethernet/apm/Makefile @@ -0,0 +1,5 @@ +# +# Makefile for APM X-GENE Ethernet driver. +# + +obj-$(CONFIG_NET_XGENE) += xgene/ diff --git a/drivers/net/ethernet/apm/xgene/Kconfig b/drivers/net/ethernet/apm/xgene/Kconfig new file mode 100644 index 000000000000..616dff6d3f5f --- /dev/null +++ b/drivers/net/ethernet/apm/xgene/Kconfig @@ -0,0 +1,9 @@ +config NET_XGENE + tristate "APM X-Gene SoC Ethernet Driver" + select PHYLIB + help + This is the Ethernet driver for the on-chip ethernet interface on the + APM X-Gene SoC. + + To compile this driver as a module, choose M here. This module will + be called xgene_enet. diff --git a/drivers/net/ethernet/apm/xgene/Makefile b/drivers/net/ethernet/apm/xgene/Makefile new file mode 100644 index 000000000000..c643e8a0a0dc --- /dev/null +++ b/drivers/net/ethernet/apm/xgene/Makefile @@ -0,0 +1,6 @@ +# +# Makefile for APM X-Gene Ethernet Driver. +# + +xgene-enet-objs := xgene_enet_hw.o xgene_enet_main.o xgene_enet_ethtool.o +obj-$(CONFIG_NET_XGENE) += xgene-enet.o diff --git a/drivers/net/ethernet/apm/xgene/xgene_enet_ethtool.c b/drivers/net/ethernet/apm/xgene/xgene_enet_ethtool.c new file mode 100644 index 000000000000..63f2aa54a594 --- /dev/null +++ b/drivers/net/ethernet/apm/xgene/xgene_enet_ethtool.c @@ -0,0 +1,125 @@ +/* Applied Micro X-Gene SoC Ethernet Driver + * + * Copyright (c) 2014, Applied Micro Circuits Corporation + * Authors: Iyappan Subramanian <isubramanian@apm.com> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <linux/ethtool.h> +#include "xgene_enet_main.h" + +struct xgene_gstrings_stats { + char name[ETH_GSTRING_LEN]; + int offset; +}; + +#define XGENE_STAT(m) { #m, offsetof(struct xgene_enet_pdata, stats.m) } + +static const struct xgene_gstrings_stats gstrings_stats[] = { + XGENE_STAT(rx_packets), + XGENE_STAT(tx_packets), + XGENE_STAT(rx_bytes), + XGENE_STAT(tx_bytes), + XGENE_STAT(rx_errors), + XGENE_STAT(tx_errors), + XGENE_STAT(rx_length_errors), + XGENE_STAT(rx_crc_errors), + XGENE_STAT(rx_frame_errors), + XGENE_STAT(rx_fifo_errors) +}; + +#define XGENE_STATS_LEN ARRAY_SIZE(gstrings_stats) + +static void xgene_get_drvinfo(struct net_device *ndev, + struct ethtool_drvinfo *info) +{ + struct xgene_enet_pdata *pdata = netdev_priv(ndev); + struct platform_device *pdev = pdata->pdev; + + strcpy(info->driver, "xgene_enet"); + strcpy(info->version, XGENE_DRV_VERSION); + snprintf(info->fw_version, ETHTOOL_FWVERS_LEN, "N/A"); + sprintf(info->bus_info, "%s", pdev->name); +} + +static int xgene_get_settings(struct net_device *ndev, struct ethtool_cmd *cmd) +{ + struct xgene_enet_pdata *pdata = netdev_priv(ndev); + struct phy_device *phydev = pdata->phy_dev; + + if (phydev == NULL) + return -ENODEV; + + return phy_ethtool_gset(phydev, cmd); +} + +static int xgene_set_settings(struct net_device *ndev, struct ethtool_cmd *cmd) +{ + struct xgene_enet_pdata *pdata = netdev_priv(ndev); + struct phy_device *phydev = pdata->phy_dev; + + if (phydev == NULL) + return -ENODEV; + + return phy_ethtool_sset(phydev, cmd); +} + +static void xgene_get_strings(struct net_device *ndev, u32 stringset, u8 *data) +{ + int i; + u8 *p = data; + + if (stringset != ETH_SS_STATS) + return; + + for (i = 0; i < XGENE_STATS_LEN; i++) { + memcpy(p, gstrings_stats[i].name, ETH_GSTRING_LEN); + p += ETH_GSTRING_LEN; + } +} + +static int xgene_get_sset_count(struct net_device *ndev, int sset) +{ + if (sset != ETH_SS_STATS) + return -EINVAL; + + return XGENE_STATS_LEN; +} + +static void xgene_get_ethtool_stats(struct net_device *ndev, + struct ethtool_stats *dummy, + u64 *data) +{ + void *pdata = netdev_priv(ndev); + int i; + + for (i = 0; i < XGENE_STATS_LEN; i++) + *data++ = *(u64 *)(pdata + gstrings_stats[i].offset); +} + +static const struct ethtool_ops xgene_ethtool_ops = { + .get_drvinfo = xgene_get_drvinfo, + .get_settings = xgene_get_settings, + .set_settings = xgene_set_settings, + .get_link = ethtool_op_get_link, + .get_strings = xgene_get_strings, + .get_sset_count = xgene_get_sset_count, + .get_ethtool_stats = xgene_get_ethtool_stats +}; + +void xgene_enet_set_ethtool_ops(struct net_device *ndev) +{ + ndev->ethtool_ops = &xgene_ethtool_ops; +} diff --git a/drivers/net/ethernet/apm/xgene/xgene_enet_hw.c b/drivers/net/ethernet/apm/xgene/xgene_enet_hw.c new file mode 100644 index 000000000000..812d8d65159b --- /dev/null +++ b/drivers/net/ethernet/apm/xgene/xgene_enet_hw.c @@ -0,0 +1,728 @@ +/* Applied Micro X-Gene SoC Ethernet Driver + * + * Copyright (c) 2014, Applied Micro Circuits Corporation + * Authors: Iyappan Subramanian <isubramanian@apm.com> + * Ravi Patel <rapatel@apm.com> + * Keyur Chudgar <kchudgar@apm.com> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#include "xgene_enet_main.h" +#include "xgene_enet_hw.h" + +static void xgene_enet_ring_init(struct xgene_enet_desc_ring *ring) +{ + u32 *ring_cfg = ring->state; + u64 addr = ring->dma; + enum xgene_enet_ring_cfgsize cfgsize = ring->cfgsize; + + ring_cfg[4] |= (1 << SELTHRSH_POS) & + CREATE_MASK(SELTHRSH_POS, SELTHRSH_LEN); + ring_cfg[3] |= ACCEPTLERR; + ring_cfg[2] |= QCOHERENT; + + addr >>= 8; + ring_cfg[2] |= (addr << RINGADDRL_POS) & + CREATE_MASK_ULL(RINGADDRL_POS, RINGADDRL_LEN); + addr >>= RINGADDRL_LEN; + ring_cfg[3] |= addr & CREATE_MASK_ULL(RINGADDRH_POS, RINGADDRH_LEN); + ring_cfg[3] |= ((u32)cfgsize << RINGSIZE_POS) & + CREATE_MASK(RINGSIZE_POS, RINGSIZE_LEN); +} + +static void xgene_enet_ring_set_type(struct xgene_enet_desc_ring *ring) +{ + u32 *ring_cfg = ring->state; + bool is_bufpool; + u32 val; + + is_bufpool = xgene_enet_is_bufpool(ring->id); + val = (is_bufpool) ? RING_BUFPOOL : RING_REGULAR; + ring_cfg[4] |= (val << RINGTYPE_POS) & + CREATE_MASK(RINGTYPE_POS, RINGTYPE_LEN); + + if (is_bufpool) { + ring_cfg[3] |= (BUFPOOL_MODE << RINGMODE_POS) & + CREATE_MASK(RINGMODE_POS, RINGMODE_LEN); + } +} + +static void xgene_enet_ring_set_recombbuf(struct xgene_enet_desc_ring *ring) +{ + u32 *ring_cfg = ring->state; + + ring_cfg[3] |= RECOMBBUF; + ring_cfg[3] |= (0xf << RECOMTIMEOUTL_POS) & + CREATE_MASK(RECOMTIMEOUTL_POS, RECOMTIMEOUTL_LEN); + ring_cfg[4] |= 0x7 & CREATE_MASK(RECOMTIMEOUTH_POS, RECOMTIMEOUTH_LEN); +} + +static void xgene_enet_ring_wr32(struct xgene_enet_desc_ring *ring, + u32 offset, u32 data) +{ + struct xgene_enet_pdata *pdata = netdev_priv(ring->ndev); + + iowrite32(data, pdata->ring_csr_addr + offset); +} + +static void xgene_enet_ring_rd32(struct xgene_enet_desc_ring *ring, + u32 offset, u32 *data) +{ + struct xgene_enet_pdata *pdata = netdev_priv(ring->ndev); + + *data = ioread32(pdata->ring_csr_addr + offset); +} + +static void xgene_enet_write_ring_state(struct xgene_enet_desc_ring *ring) +{ + int i; + + xgene_enet_ring_wr32(ring, CSR_RING_CONFIG, ring->num); + for (i = 0; i < NUM_RING_CONFIG; i++) { + xgene_enet_ring_wr32(ring, CSR_RING_WR_BASE + (i * 4), + ring->state[i]); + } +} + +static void xgene_enet_clr_ring_state(struct xgene_enet_desc_ring *ring) +{ + memset(ring->state, 0, sizeof(u32) * NUM_RING_CONFIG); + xgene_enet_write_ring_state(ring); +} + +static void xgene_enet_set_ring_state(struct xgene_enet_desc_ring *ring) +{ + xgene_enet_ring_set_type(ring); + + if (xgene_enet_ring_owner(ring->id) == RING_OWNER_ETH0) + xgene_enet_ring_set_recombbuf(ring); + + xgene_enet_ring_init(ring); + xgene_enet_write_ring_state(ring); +} + +static void xgene_enet_set_ring_id(struct xgene_enet_desc_ring *ring) +{ + u32 ring_id_val, ring_id_buf; + bool is_bufpool; + + is_bufpool = xgene_enet_is_bufpool(ring->id); + + ring_id_val = ring->id & GENMASK(9, 0); + ring_id_val |= OVERWRITE; + + ring_id_buf = (ring->num << 9) & GENMASK(18, 9); + ring_id_buf |= PREFETCH_BUF_EN; + if (is_bufpool) + ring_id_buf |= IS_BUFFER_POOL; + + xgene_enet_ring_wr32(ring, CSR_RING_ID, ring_id_val); + xgene_enet_ring_wr32(ring, CSR_RING_ID_BUF, ring_id_buf); +} + +static void xgene_enet_clr_desc_ring_id(struct xgene_enet_desc_ring *ring) +{ + u32 ring_id; + + ring_id = ring->id | OVERWRITE; + xgene_enet_ring_wr32(ring, CSR_RING_ID, ring_id); + xgene_enet_ring_wr32(ring, CSR_RING_ID_BUF, 0); +} + +struct xgene_enet_desc_ring *xgene_enet_setup_ring( + struct xgene_enet_desc_ring *ring) +{ + u32 size = ring->size; + u32 i, data; + bool is_bufpool; + + xgene_enet_clr_ring_state(ring); + xgene_enet_set_ring_state(ring); + xgene_enet_set_ring_id(ring); + + ring->slots = xgene_enet_get_numslots(ring->id, size); + + is_bufpool = xgene_enet_is_bufpool(ring->id); + if (is_bufpool || xgene_enet_ring_owner(ring->id) != RING_OWNER_CPU) + return ring; + + for (i = 0; i < ring->slots; i++) + xgene_enet_mark_desc_slot_empty(&ring->raw_desc[i]); + + xgene_enet_ring_rd32(ring, CSR_RING_NE_INT_MODE, &data); + data |= BIT(31 - xgene_enet_ring_bufnum(ring->id)); + xgene_enet_ring_wr32(ring, CSR_RING_NE_INT_MODE, data); + + return ring; +} + +void xgene_enet_clear_ring(struct xgene_enet_desc_ring *ring) +{ + u32 data; + bool is_bufpool; + + is_bufpool = xgene_enet_is_bufpool(ring->id); + if (is_bufpool || xgene_enet_ring_owner(ring->id) != RING_OWNER_CPU) + goto out; + + xgene_enet_ring_rd32(ring, CSR_RING_NE_INT_MODE, &data); + data &= ~BIT(31 - xgene_enet_ring_bufnum(ring->id)); + xgene_enet_ring_wr32(ring, CSR_RING_NE_INT_MODE, data); + +out: + xgene_enet_clr_desc_ring_id(ring); + xgene_enet_clr_ring_state(ring); +} + +void xgene_enet_parse_error(struct xgene_enet_desc_ring *ring, + struct xgene_enet_pdata *pdata, + enum xgene_enet_err_code status) +{ + struct rtnl_link_stats64 *stats = &pdata->stats; + + switch (status) { + case INGRESS_CRC: + stats->rx_crc_errors++; + break; + case INGRESS_CHECKSUM: + case INGRESS_CHECKSUM_COMPUTE: + stats->rx_errors++; + break; + case INGRESS_TRUNC_FRAME: + stats->rx_frame_errors++; + break; + case INGRESS_PKT_LEN: + stats->rx_length_errors++; + break; + case INGRESS_PKT_UNDER: + stats->rx_frame_errors++; + break; + case INGRESS_FIFO_OVERRUN: + stats->rx_fifo_errors++; + break; + default: + break; + } +} + +static void xgene_enet_wr_csr(struct xgene_enet_pdata *pdata, + u32 offset, u32 val) +{ + void __iomem *addr = pdata->eth_csr_addr + offset; + + iowrite32(val, addr); +} + +static void xgene_enet_wr_ring_if(struct xgene_enet_pdata *pdata, + u32 offset, u32 val) +{ + void __iomem *addr = pdata->eth_ring_if_addr + offset; + + iowrite32(val, addr); +} + +static void xgene_enet_wr_diag_csr(struct xgene_enet_pdata *pdata, + u32 offset, u32 val) +{ + void __iomem *addr = pdata->eth_diag_csr_addr + offset; + + iowrite32(val, addr); +} + +static void xgene_enet_wr_mcx_csr(struct xgene_enet_pdata *pdata, + u32 offset, u32 val) +{ + void __iomem *addr = pdata->mcx_mac_csr_addr + offset; + + iowrite32(val, addr); +} + +static bool xgene_enet_wr_indirect(void __iomem *addr, void __iomem *wr, + void __iomem *cmd, void __iomem *cmd_done, + u32 wr_addr, u32 wr_data) +{ + u32 done; + u8 wait = 10; + + iowrite32(wr_addr, addr); + iowrite32(wr_data, wr); + iowrite32(XGENE_ENET_WR_CMD, cmd); + + /* wait for write command to complete */ + while (!(done = ioread32(cmd_done)) && wait--) + udelay(1); + + if (!done) + return false; + + iowrite32(0, cmd); + + return true; +} + +static void xgene_enet_wr_mcx_mac(struct xgene_enet_pdata *pdata, + u32 wr_addr, u32 wr_data) +{ + void __iomem *addr, *wr, *cmd, *cmd_done; + + addr = pdata->mcx_mac_addr + MAC_ADDR_REG_OFFSET; + wr = pdata->mcx_mac_addr + MAC_WRITE_REG_OFFSET; + cmd = pdata->mcx_mac_addr + MAC_COMMAND_REG_OFFSET; + cmd_done = pdata->mcx_mac_addr + MAC_COMMAND_DONE_REG_OFFSET; + + if (!xgene_enet_wr_indirect(addr, wr, cmd, cmd_done, wr_addr, wr_data)) + netdev_err(pdata->ndev, "MCX mac write failed, addr: %04x\n", + wr_addr); +} + +static void xgene_enet_rd_csr(struct xgene_enet_pdata *pdata, + u32 offset, u32 *val) +{ + void __iomem *addr = pdata->eth_csr_addr + offset; + + *val = ioread32(addr); +} + +static void xgene_enet_rd_diag_csr(struct xgene_enet_pdata *pdata, + u32 offset, u32 *val) +{ + void __iomem *addr = pdata->eth_diag_csr_addr + offset; + + *val = ioread32(addr); +} + +static void xgene_enet_rd_mcx_csr(struct xgene_enet_pdata *pdata, + u32 offset, u32 *val) +{ + void __iomem *addr = pdata->mcx_mac_csr_addr + offset; + + *val = ioread32(addr); +} + +static bool xgene_enet_rd_indirect(void __iomem *addr, void __iomem *rd, + void __iomem *cmd, void __iomem *cmd_done, + u32 rd_addr, u32 *rd_data) +{ + u32 done; + u8 wait = 10; + + iowrite32(rd_addr, addr); + iowrite32(XGENE_ENET_RD_CMD, cmd); + + /* wait for read command to complete */ + while (!(done = ioread32(cmd_done)) && wait--) + udelay(1); + + if (!done) + return false; + + *rd_data = ioread32(rd); + iowrite32(0, cmd); + + return true; +} + +static void xgene_enet_rd_mcx_mac(struct xgene_enet_pdata *pdata, + u32 rd_addr, u32 *rd_data) +{ + void __iomem *addr, *rd, *cmd, *cmd_done; + + addr = pdata->mcx_mac_addr + MAC_ADDR_REG_OFFSET; + rd = pdata->mcx_mac_addr + MAC_READ_REG_OFFSET; + cmd = pdata->mcx_mac_addr + MAC_COMMAND_REG_OFFSET; + cmd_done = pdata->mcx_mac_addr + MAC_COMMAND_DONE_REG_OFFSET; + + if (!xgene_enet_rd_indirect(addr, rd, cmd, cmd_done, rd_addr, rd_data)) + netdev_err(pdata->ndev, "MCX mac read failed, addr: %04x\n", + rd_addr); +} + +static int xgene_mii_phy_write(struct xgene_enet_pdata *pdata, int phy_id, + u32 reg, u16 data) +{ + u32 addr = 0, wr_data = 0; + u32 done; + u8 wait = 10; + + PHY_ADDR_SET(&addr, phy_id); + REG_ADDR_SET(&addr, reg); + xgene_enet_wr_mcx_mac(pdata, MII_MGMT_ADDRESS_ADDR, addr); + + PHY_CONTROL_SET(&wr_data, data); + xgene_enet_wr_mcx_mac(pdata, MII_MGMT_CONTROL_ADDR, wr_data); + do { + usleep_range(5, 10); + xgene_enet_rd_mcx_mac(pdata, MII_MGMT_INDICATORS_ADDR, &done); + } while ((done & BUSY_MASK) && wait--); + + if (done & BUSY_MASK) { + netdev_err(pdata->ndev, "MII_MGMT write failed\n"); + return -EBUSY; + } + + return 0; +} + +static int xgene_mii_phy_read(struct xgene_enet_pdata *pdata, + u8 phy_id, u32 reg) +{ + u32 addr = 0; + u32 data, done; + u8 wait = 10; + + PHY_ADDR_SET(&addr, phy_id); + REG_ADDR_SET(&addr, reg); + xgene_enet_wr_mcx_mac(pdata, MII_MGMT_ADDRESS_ADDR, addr); + xgene_enet_wr_mcx_mac(pdata, MII_MGMT_COMMAND_ADDR, READ_CYCLE_MASK); + do { + usleep_range(5, 10); + xgene_enet_rd_mcx_mac(pdata, MII_MGMT_INDICATORS_ADDR, &done); + } while ((done & BUSY_MASK) && wait--); + + if (done & BUSY_MASK) { + netdev_err(pdata->ndev, "MII_MGMT read failed\n"); + return -EBUSY; + } + + xgene_enet_rd_mcx_mac(pdata, MII_MGMT_STATUS_ADDR, &data); + xgene_enet_wr_mcx_mac(pdata, MII_MGMT_COMMAND_ADDR, 0); + + return data; +} + +void xgene_gmac_set_mac_addr(struct xgene_enet_pdata *pdata) +{ + u32 addr0, addr1; + u8 *dev_addr = pdata->ndev->dev_addr; + + addr0 = (dev_addr[3] << 24) | (dev_addr[2] << 16) | + (dev_addr[1] << 8) | dev_addr[0]; + addr1 = (dev_addr[5] << 24) | (dev_addr[4] << 16); + addr1 |= pdata->phy_addr & 0xFFFF; + + xgene_enet_wr_mcx_mac(pdata, STATION_ADDR0_ADDR, addr0); + xgene_enet_wr_mcx_mac(pdata, STATION_ADDR1_ADDR, addr1); +} + +static int xgene_enet_ecc_init(struct xgene_enet_pdata *pdata) +{ + struct net_device *ndev = pdata->ndev; + u32 data; + u8 wait = 10; + + xgene_enet_wr_diag_csr(pdata, ENET_CFG_MEM_RAM_SHUTDOWN_ADDR, 0x0); + do { + usleep_range(100, 110); + xgene_enet_rd_diag_csr(pdata, ENET_BLOCK_MEM_RDY_ADDR, &data); + } while ((data != 0xffffffff) && wait--); + + if (data != 0xffffffff) { + netdev_err(ndev, "Failed to release memory from shutdown\n"); + return -ENODEV; + } + + return 0; +} + +void xgene_gmac_reset(struct xgene_enet_pdata *pdata) +{ + xgene_enet_wr_mcx_mac(pdata, MAC_CONFIG_1_ADDR, SOFT_RESET1); + xgene_enet_wr_mcx_mac(pdata, MAC_CONFIG_1_ADDR, 0); +} + +void xgene_gmac_init(struct xgene_enet_pdata *pdata, int speed) +{ + u32 value, mc2; + u32 intf_ctl, rgmii; + u32 icm0, icm2; + + xgene_gmac_reset(pdata); + + xgene_enet_rd_mcx_csr(pdata, ICM_CONFIG0_REG_0_ADDR, &icm0); + xgene_enet_rd_mcx_csr(pdata, ICM_CONFIG2_REG_0_ADDR, &icm2); + xgene_enet_rd_mcx_mac(pdata, MAC_CONFIG_2_ADDR, &mc2); + xgene_enet_rd_mcx_mac(pdata, INTERFACE_CONTROL_ADDR, &intf_ctl); + xgene_enet_rd_csr(pdata, RGMII_REG_0_ADDR, &rgmii); + + switch (speed) { + case SPEED_10: + ENET_INTERFACE_MODE2_SET(&mc2, 1); + CFG_MACMODE_SET(&icm0, 0); + CFG_WAITASYNCRD_SET(&icm2, 500); + rgmii &= ~CFG_SPEED_1250; + break; + case SPEED_100: + ENET_INTERFACE_MODE2_SET(&mc2, 1); + intf_ctl |= ENET_LHD_MODE; + CFG_MACMODE_SET(&icm0, 1); + CFG_WAITASYNCRD_SET(&icm2, 80); + rgmii &= ~CFG_SPEED_1250; + break; + default: + ENET_INTERFACE_MODE2_SET(&mc2, 2); + intf_ctl |= ENET_GHD_MODE; + CFG_TXCLK_MUXSEL0_SET(&rgmii, 4); + xgene_enet_rd_csr(pdata, DEBUG_REG_ADDR, &value); + value |= CFG_BYPASS_UNISEC_TX | CFG_BYPASS_UNISEC_RX; + xgene_enet_wr_csr(pdata, DEBUG_REG_ADDR, value); + break; + } + + mc2 |= FULL_DUPLEX2; + xgene_enet_wr_mcx_mac(pdata, MAC_CONFIG_2_ADDR, mc2); + xgene_enet_wr_mcx_mac(pdata, INTERFACE_CONTROL_ADDR, intf_ctl); + + xgene_gmac_set_mac_addr(pdata); + + /* Adjust MDC clock frequency */ + xgene_enet_rd_mcx_mac(pdata, MII_MGMT_CONFIG_ADDR, &value); + MGMT_CLOCK_SEL_SET(&value, 7); + xgene_enet_wr_mcx_mac(pdata, MII_MGMT_CONFIG_ADDR, value); + + /* Enable drop if bufpool not available */ + xgene_enet_rd_csr(pdata, RSIF_CONFIG_REG_ADDR, &value); + value |= CFG_RSIF_FPBUFF_TIMEOUT_EN; + xgene_enet_wr_csr(pdata, RSIF_CONFIG_REG_ADDR, value); + + /* Rtype should be copied from FP */ + xgene_enet_wr_csr(pdata, RSIF_RAM_DBG_REG0_ADDR, 0); + xgene_enet_wr_csr(pdata, RGMII_REG_0_ADDR, rgmii); + + /* Rx-Tx traffic resume */ + xgene_enet_wr_csr(pdata, CFG_LINK_AGGR_RESUME_0_ADDR, TX_PORT0); + + xgene_enet_wr_mcx_csr(pdata, ICM_CONFIG0_REG_0_ADDR, icm0); + xgene_enet_wr_mcx_csr(pdata, ICM_CONFIG2_REG_0_ADDR, icm2); + + xgene_enet_rd_mcx_csr(pdata, RX_DV_GATE_REG_0_ADDR, &value); + value &= ~TX_DV_GATE_EN0; + value &= ~RX_DV_GATE_EN0; + value |= RESUME_RX0; + xgene_enet_wr_mcx_csr(pdata, RX_DV_GATE_REG_0_ADDR, value); + + xgene_enet_wr_csr(pdata, CFG_BYPASS_ADDR, RESUME_TX); +} + +static void xgene_enet_config_ring_if_assoc(struct xgene_enet_pdata *pdata) +{ + u32 val = 0xffffffff; + + xgene_enet_wr_ring_if(pdata, ENET_CFGSSQMIWQASSOC_ADDR, val); + xgene_enet_wr_ring_if(pdata, ENET_CFGSSQMIFPQASSOC_ADDR, val); + xgene_enet_wr_ring_if(pdata, ENET_CFGSSQMIQMLITEWQASSOC_ADDR, val); + xgene_enet_wr_ring_if(pdata, ENET_CFGSSQMIQMLITEFPQASSOC_ADDR, val); +} + +void xgene_enet_cle_bypass(struct xgene_enet_pdata *pdata, + u32 dst_ring_num, u16 bufpool_id) +{ + u32 cb; + u32 fpsel; + + fpsel = xgene_enet_ring_bufnum(bufpool_id) - 0x20; + + xgene_enet_rd_csr(pdata, CLE_BYPASS_REG0_0_ADDR, &cb); + cb |= CFG_CLE_BYPASS_EN0; + CFG_CLE_IP_PROTOCOL0_SET(&cb, 3); + xgene_enet_wr_csr(pdata, CLE_BYPASS_REG0_0_ADDR, cb); + + xgene_enet_rd_csr(pdata, CLE_BYPASS_REG1_0_ADDR, &cb); + CFG_CLE_DSTQID0_SET(&cb, dst_ring_num); + CFG_CLE_FPSEL0_SET(&cb, fpsel); + xgene_enet_wr_csr(pdata, CLE_BYPASS_REG1_0_ADDR, cb); +} + +void xgene_gmac_rx_enable(struct xgene_enet_pdata *pdata) +{ + u32 data; + + xgene_enet_rd_mcx_mac(pdata, MAC_CONFIG_1_ADDR, &data); + xgene_enet_wr_mcx_mac(pdata, MAC_CONFIG_1_ADDR, data | RX_EN); +} + +void xgene_gmac_tx_enable(struct xgene_enet_pdata *pdata) +{ + u32 data; + + xgene_enet_rd_mcx_mac(pdata, MAC_CONFIG_1_ADDR, &data); + xgene_enet_wr_mcx_mac(pdata, MAC_CONFIG_1_ADDR, data | TX_EN); +} + +void xgene_gmac_rx_disable(struct xgene_enet_pdata *pdata) +{ + u32 data; + + xgene_enet_rd_mcx_mac(pdata, MAC_CONFIG_1_ADDR, &data); + xgene_enet_wr_mcx_mac(pdata, MAC_CONFIG_1_ADDR, data & ~RX_EN); +} + +void xgene_gmac_tx_disable(struct xgene_enet_pdata *pdata) +{ + u32 data; + + xgene_enet_rd_mcx_mac(pdata, MAC_CONFIG_1_ADDR, &data); + xgene_enet_wr_mcx_mac(pdata, MAC_CONFIG_1_ADDR, data & ~TX_EN); +} + +void xgene_enet_reset(struct xgene_enet_pdata *pdata) +{ + u32 val; + + clk_prepare_enable(pdata->clk); + clk_disable_unprepare(pdata->clk); + clk_prepare_enable(pdata->clk); + xgene_enet_ecc_init(pdata); + xgene_enet_config_ring_if_assoc(pdata); + + /* Enable auto-incr for scanning */ + xgene_enet_rd_mcx_mac(pdata, MII_MGMT_CONFIG_ADDR, &val); + val |= SCAN_AUTO_INCR; + MGMT_CLOCK_SEL_SET(&val, 1); + xgene_enet_wr_mcx_mac(pdata, MII_MGMT_CONFIG_ADDR, val); +} + +void xgene_gport_shutdown(struct xgene_enet_pdata *pdata) +{ + clk_disable_unprepare(pdata->clk); +} + +static int xgene_enet_mdio_read(struct mii_bus *bus, int mii_id, int regnum) +{ + struct xgene_enet_pdata *pdata = bus->priv; + u32 val; + + val = xgene_mii_phy_read(pdata, mii_id, regnum); + netdev_dbg(pdata->ndev, "mdio_rd: bus=%d reg=%d val=%x\n", + mii_id, regnum, val); + + return val; +} + +static int xgene_enet_mdio_write(struct mii_bus *bus, int mii_id, int regnum, + u16 val) +{ + struct xgene_enet_pdata *pdata = bus->priv; + + netdev_dbg(pdata->ndev, "mdio_wr: bus=%d reg=%d val=%x\n", + mii_id, regnum, val); + return xgene_mii_phy_write(pdata, mii_id, regnum, val); +} + +static void xgene_enet_adjust_link(struct net_device *ndev) +{ + struct xgene_enet_pdata *pdata = netdev_priv(ndev); + struct phy_device *phydev = pdata->phy_dev; + + if (phydev->link) { + if (pdata->phy_speed != phydev->speed) { + xgene_gmac_init(pdata, phydev->speed); + xgene_gmac_rx_enable(pdata); + xgene_gmac_tx_enable(pdata); + pdata->phy_speed = phydev->speed; + phy_print_status(phydev); + } + } else { + xgene_gmac_rx_disable(pdata); + xgene_gmac_tx_disable(pdata); + pdata->phy_speed = SPEED_UNKNOWN; + phy_print_status(phydev); + } +} + +static int xgene_enet_phy_connect(struct net_device *ndev) +{ + struct xgene_enet_pdata *pdata = netdev_priv(ndev); + struct device_node *phy_np; + struct phy_device *phy_dev; + struct device *dev = &pdata->pdev->dev; + + phy_np = of_parse_phandle(dev->of_node, "phy-handle", 0); + if (!phy_np) { + netdev_dbg(ndev, "No phy-handle found\n"); + return -ENODEV; + } + + phy_dev = of_phy_connect(ndev, phy_np, &xgene_enet_adjust_link, + 0, pdata->phy_mode); + if (!phy_dev) { + netdev_err(ndev, "Could not connect to PHY\n"); + return -ENODEV; + } + + pdata->phy_speed = SPEED_UNKNOWN; + phy_dev->supported &= ~SUPPORTED_10baseT_Half & + ~SUPPORTED_100baseT_Half & + ~SUPPORTED_1000baseT_Half; + phy_dev->advertising = phy_dev->supported; + pdata->phy_dev = phy_dev; + + return 0; +} + +int xgene_enet_mdio_config(struct xgene_enet_pdata *pdata) +{ + struct net_device *ndev = pdata->ndev; + struct device *dev = &pdata->pdev->dev; + struct device_node *child_np; + struct device_node *mdio_np = NULL; + struct mii_bus *mdio_bus; + int ret; + + for_each_child_of_node(dev->of_node, child_np) { + if (of_device_is_compatible(child_np, "apm,xgene-mdio")) { + mdio_np = child_np; + break; + } + } + + if (!mdio_np) { + netdev_dbg(ndev, "No mdio node in the dts\n"); + return -ENXIO; + } + + mdio_bus = mdiobus_alloc(); + if (!mdio_bus) + return -ENOMEM; + + mdio_bus->name = "APM X-Gene MDIO bus"; + mdio_bus->read = xgene_enet_mdio_read; + mdio_bus->write = xgene_enet_mdio_write; + snprintf(mdio_bus->id, MII_BUS_ID_SIZE, "%s-%s", "xgene-mii", + ndev->name); + + mdio_bus->priv = pdata; + mdio_bus->parent = &ndev->dev; + + ret = of_mdiobus_register(mdio_bus, mdio_np); + if (ret) { + netdev_err(ndev, "Failed to register MDIO bus\n"); + mdiobus_free(mdio_bus); + return ret; + } + pdata->mdio_bus = mdio_bus; + + ret = xgene_enet_phy_connect(ndev); + if (ret) + xgene_enet_mdio_remove(pdata); + + return ret; +} + +void xgene_enet_mdio_remove(struct xgene_enet_pdata *pdata) +{ + mdiobus_unregister(pdata->mdio_bus); + mdiobus_free(pdata->mdio_bus); + pdata->mdio_bus = NULL; +} diff --git a/drivers/net/ethernet/apm/xgene/xgene_enet_hw.h b/drivers/net/ethernet/apm/xgene/xgene_enet_hw.h new file mode 100644 index 000000000000..371e7a5b2507 --- /dev/null +++ b/drivers/net/ethernet/apm/xgene/xgene_enet_hw.h @@ -0,0 +1,337 @@ +/* Applied Micro X-Gene SoC Ethernet Driver + * + * Copyright (c) 2014, Applied Micro Circuits Corporation + * Authors: Iyappan Subramanian <isubramanian@apm.com> + * Ravi Patel <rapatel@apm.com> + * Keyur Chudgar <kchudgar@apm.com> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#ifndef __XGENE_ENET_HW_H__ +#define __XGENE_ENET_HW_H__ + +#include "xgene_enet_main.h" + +struct xgene_enet_pdata; +struct xgene_enet_stats; + +/* clears and then set bits */ +static inline void xgene_set_bits(u32 *dst, u32 val, u32 start, u32 len) +{ + u32 end = start + len - 1; + u32 mask = GENMASK(end, start); + + *dst &= ~mask; + *dst |= (val << start) & mask; +} + +static inline u32 xgene_get_bits(u32 val, u32 start, u32 end) +{ + return (val & GENMASK(end, start)) >> start; +} + +#define CSR_RING_ID 0x0008 +#define OVERWRITE BIT(31) +#define IS_BUFFER_POOL BIT(20) +#define PREFETCH_BUF_EN BIT(21) +#define CSR_RING_ID_BUF 0x000c +#define CSR_RING_NE_INT_MODE 0x017c +#define CSR_RING_CONFIG 0x006c +#define CSR_RING_WR_BASE 0x0070 +#define NUM_RING_CONFIG 5 +#define BUFPOOL_MODE 3 +#define RM3 3 +#define INC_DEC_CMD_ADDR 0x002c +#define UDP_HDR_SIZE 2 +#define BUF_LEN_CODE_2K 0x5000 + +#define CREATE_MASK(pos, len) GENMASK((pos)+(len)-1, (pos)) +#define CREATE_MASK_ULL(pos, len) GENMASK_ULL((pos)+(len)-1, (pos)) + +/* Empty slot soft signature */ +#define EMPTY_SLOT_INDEX 1 +#define EMPTY_SLOT ~0ULL + +#define WORK_DESC_SIZE 32 +#define BUFPOOL_DESC_SIZE 16 + +#define RING_OWNER_MASK GENMASK(9, 6) +#define RING_BUFNUM_MASK GENMASK(5, 0) + +#define SELTHRSH_POS 3 +#define SELTHRSH_LEN 3 +#define RINGADDRL_POS 5 +#define RINGADDRL_LEN 27 +#define RINGADDRH_POS 0 +#define RINGADDRH_LEN 6 +#define RINGSIZE_POS 23 +#define RINGSIZE_LEN 3 +#define RINGTYPE_POS 19 +#define RINGTYPE_LEN 2 +#define RINGMODE_POS 20 +#define RINGMODE_LEN 3 +#define RECOMTIMEOUTL_POS 28 +#define RECOMTIMEOUTL_LEN 3 +#define RECOMTIMEOUTH_POS 0 +#define RECOMTIMEOUTH_LEN 2 +#define NUMMSGSINQ_POS 1 +#define NUMMSGSINQ_LEN 16 +#define ACCEPTLERR BIT(19) +#define QCOHERENT BIT(4) +#define RECOMBBUF BIT(27) + +#define BLOCK_ETH_CSR_OFFSET 0x2000 +#define BLOCK_ETH_RING_IF_OFFSET 0x9000 +#define BLOCK_ETH_CLKRST_CSR_OFFSET 0xC000 +#define BLOCK_ETH_DIAG_CSR_OFFSET 0xD000 + +#define BLOCK_ETH_MAC_OFFSET 0x0000 +#define BLOCK_ETH_STATS_OFFSET 0x0014 +#define BLOCK_ETH_MAC_CSR_OFFSET 0x2800 + +#define MAC_ADDR_REG_OFFSET 0x00 +#define MAC_COMMAND_REG_OFFSET 0x04 +#define MAC_WRITE_REG_OFFSET 0x08 +#define MAC_READ_REG_OFFSET 0x0c +#define MAC_COMMAND_DONE_REG_OFFSET 0x10 + +#define STAT_ADDR_REG_OFFSET 0x00 +#define STAT_COMMAND_REG_OFFSET 0x04 +#define STAT_WRITE_REG_OFFSET 0x08 +#define STAT_READ_REG_OFFSET 0x0c +#define STAT_COMMAND_DONE_REG_OFFSET 0x10 + +#define MII_MGMT_CONFIG_ADDR 0x20 +#define MII_MGMT_COMMAND_ADDR 0x24 +#define MII_MGMT_ADDRESS_ADDR 0x28 +#define MII_MGMT_CONTROL_ADDR 0x2c +#define MII_MGMT_STATUS_ADDR 0x30 +#define MII_MGMT_INDICATORS_ADDR 0x34 + +#define BUSY_MASK BIT(0) +#define READ_CYCLE_MASK BIT(0) +#define PHY_CONTROL_SET(dst, val) xgene_set_bits(dst, val, 0, 16) + +#define ENET_SPARE_CFG_REG_ADDR 0x0750 +#define RSIF_CONFIG_REG_ADDR 0x0010 +#define RSIF_RAM_DBG_REG0_ADDR 0x0048 +#define RGMII_REG_0_ADDR 0x07e0 +#define CFG_LINK_AGGR_RESUME_0_ADDR 0x07c8 +#define DEBUG_REG_ADDR 0x0700 +#define CFG_BYPASS_ADDR 0x0294 +#define CLE_BYPASS_REG0_0_ADDR 0x0490 +#define CLE_BYPASS_REG1_0_ADDR 0x0494 +#define CFG_RSIF_FPBUFF_TIMEOUT_EN BIT(31) +#define RESUME_TX BIT(0) +#define CFG_SPEED_1250 BIT(24) +#define TX_PORT0 BIT(0) +#define CFG_BYPASS_UNISEC_TX BIT(2) +#define CFG_BYPASS_UNISEC_RX BIT(1) +#define CFG_CLE_BYPASS_EN0 BIT(31) +#define CFG_TXCLK_MUXSEL0_SET(dst, val) xgene_set_bits(dst, val, 29, 3) + +#define CFG_CLE_IP_PROTOCOL0_SET(dst, val) xgene_set_bits(dst, val, 16, 2) +#define CFG_CLE_DSTQID0_SET(dst, val) xgene_set_bits(dst, val, 0, 12) +#define CFG_CLE_FPSEL0_SET(dst, val) xgene_set_bits(dst, val, 16, 4) +#define CFG_MACMODE_SET(dst, val) xgene_set_bits(dst, val, 18, 2) +#define CFG_WAITASYNCRD_SET(dst, val) xgene_set_bits(dst, val, 0, 16) +#define ICM_CONFIG0_REG_0_ADDR 0x0400 +#define ICM_CONFIG2_REG_0_ADDR 0x0410 +#define RX_DV_GATE_REG_0_ADDR 0x05fc +#define TX_DV_GATE_EN0 BIT(2) +#define RX_DV_GATE_EN0 BIT(1) +#define RESUME_RX0 BIT(0) +#define ENET_CFGSSQMIWQASSOC_ADDR 0xe0 +#define ENET_CFGSSQMIFPQASSOC_ADDR 0xdc +#define ENET_CFGSSQMIQMLITEFPQASSOC_ADDR 0xf0 +#define ENET_CFGSSQMIQMLITEWQASSOC_ADDR 0xf4 +#define ENET_CFG_MEM_RAM_SHUTDOWN_ADDR 0x70 +#define ENET_BLOCK_MEM_RDY_ADDR 0x74 +#define MAC_CONFIG_1_ADDR 0x00 +#define MAC_CONFIG_2_ADDR 0x04 +#define MAX_FRAME_LEN_ADDR 0x10 +#define INTERFACE_CONTROL_ADDR 0x38 +#define STATION_ADDR0_ADDR 0x40 +#define STATION_ADDR1_ADDR 0x44 +#define PHY_ADDR_SET(dst, val) xgene_set_bits(dst, val, 8, 5) +#define REG_ADDR_SET(dst, val) xgene_set_bits(dst, val, 0, 5) +#define ENET_INTERFACE_MODE2_SET(dst, val) xgene_set_bits(dst, val, 8, 2) +#define MGMT_CLOCK_SEL_SET(dst, val) xgene_set_bits(dst, val, 0, 3) +#define SOFT_RESET1 BIT(31) +#define TX_EN BIT(0) +#define RX_EN BIT(2) +#define ENET_LHD_MODE BIT(25) +#define ENET_GHD_MODE BIT(26) +#define FULL_DUPLEX2 BIT(0) +#define SCAN_AUTO_INCR BIT(5) +#define TBYT_ADDR 0x38 +#define TPKT_ADDR 0x39 +#define TDRP_ADDR 0x45 +#define TFCS_ADDR 0x47 +#define TUND_ADDR 0x4a + +#define TSO_IPPROTO_TCP 1 +#define FULL_DUPLEX 2 + +#define USERINFO_POS 0 +#define USERINFO_LEN 32 +#define FPQNUM_POS 32 +#define FPQNUM_LEN 12 +#define LERR_POS 60 +#define LERR_LEN 3 +#define STASH_POS 52 +#define STASH_LEN 2 +#define BUFDATALEN_POS 48 +#define BUFDATALEN_LEN 12 +#define DATAADDR_POS 0 +#define DATAADDR_LEN 42 +#define COHERENT_POS 63 +#define HENQNUM_POS 48 +#define HENQNUM_LEN 12 +#define TYPESEL_POS 44 +#define TYPESEL_LEN 4 +#define ETHHDR_POS 12 +#define ETHHDR_LEN 8 +#define IC_POS 35 /* Insert CRC */ +#define TCPHDR_POS 0 +#define TCPHDR_LEN 6 +#define IPHDR_POS 6 +#define IPHDR_LEN 6 +#define EC_POS 22 /* Enable checksum */ +#define EC_LEN 1 +#define IS_POS 24 /* IP protocol select */ +#define IS_LEN 1 +#define TYPE_ETH_WORK_MESSAGE_POS 44 + +struct xgene_enet_raw_desc { + __le64 m0; + __le64 m1; + __le64 m2; + __le64 m3; +}; + +struct xgene_enet_raw_desc16 { + __le64 m0; + __le64 m1; +}; + +static inline void xgene_enet_mark_desc_slot_empty(void *desc_slot_ptr) +{ + __le64 *desc_slot = desc_slot_ptr; + + desc_slot[EMPTY_SLOT_INDEX] = cpu_to_le64(EMPTY_SLOT); +} + +static inline bool xgene_enet_is_desc_slot_empty(void *desc_slot_ptr) +{ + __le64 *desc_slot = desc_slot_ptr; + + return (desc_slot[EMPTY_SLOT_INDEX] == cpu_to_le64(EMPTY_SLOT)); +} + +enum xgene_enet_ring_cfgsize { + RING_CFGSIZE_512B, + RING_CFGSIZE_2KB, + RING_CFGSIZE_16KB, + RING_CFGSIZE_64KB, + RING_CFGSIZE_512KB, + RING_CFGSIZE_INVALID +}; + +enum xgene_enet_ring_type { + RING_DISABLED, + RING_REGULAR, + RING_BUFPOOL +}; + +enum xgene_ring_owner { + RING_OWNER_ETH0, + RING_OWNER_CPU = 15, + RING_OWNER_INVALID +}; + +enum xgene_enet_ring_bufnum { + RING_BUFNUM_REGULAR = 0x0, + RING_BUFNUM_BUFPOOL = 0x20, + RING_BUFNUM_INVALID +}; + +enum xgene_enet_cmd { + XGENE_ENET_WR_CMD = BIT(31), + XGENE_ENET_RD_CMD = BIT(30) +}; + +enum xgene_enet_err_code { + HBF_READ_DATA = 3, + HBF_LL_READ = 4, + BAD_WORK_MSG = 6, + BUFPOOL_TIMEOUT = 15, + INGRESS_CRC = 16, + INGRESS_CHECKSUM = 17, + INGRESS_TRUNC_FRAME = 18, + INGRESS_PKT_LEN = 19, + INGRESS_PKT_UNDER = 20, + INGRESS_FIFO_OVERRUN = 21, + INGRESS_CHECKSUM_COMPUTE = 26, + ERR_CODE_INVALID +}; + +static inline enum xgene_ring_owner xgene_enet_ring_owner(u16 id) +{ + return (id & RING_OWNER_MASK) >> 6; +} + +static inline u8 xgene_enet_ring_bufnum(u16 id) +{ + return id & RING_BUFNUM_MASK; +} + +static inline bool xgene_enet_is_bufpool(u16 id) +{ + return ((id & RING_BUFNUM_MASK) >= 0x20) ? true : false; +} + +static inline u16 xgene_enet_get_numslots(u16 id, u32 size) +{ + bool is_bufpool = xgene_enet_is_bufpool(id); + + return (is_bufpool) ? size / BUFPOOL_DESC_SIZE : + size / WORK_DESC_SIZE; +} + +struct xgene_enet_desc_ring *xgene_enet_setup_ring( + struct xgene_enet_desc_ring *ring); +void xgene_enet_clear_ring(struct xgene_enet_desc_ring *ring); +void xgene_enet_parse_error(struct xgene_enet_desc_ring *ring, + struct xgene_enet_pdata *pdata, + enum xgene_enet_err_code status); + +void xgene_enet_reset(struct xgene_enet_pdata *priv); +void xgene_gmac_reset(struct xgene_enet_pdata *priv); +void xgene_gmac_init(struct xgene_enet_pdata *priv, int speed); +void xgene_gmac_tx_enable(struct xgene_enet_pdata *priv); +void xgene_gmac_rx_enable(struct xgene_enet_pdata *priv); +void xgene_gmac_tx_disable(struct xgene_enet_pdata *priv); +void xgene_gmac_rx_disable(struct xgene_enet_pdata *priv); +void xgene_gmac_set_mac_addr(struct xgene_enet_pdata *pdata); +void xgene_enet_cle_bypass(struct xgene_enet_pdata *pdata, + u32 dst_ring_num, u16 bufpool_id); +void xgene_gport_shutdown(struct xgene_enet_pdata *priv); +void xgene_gmac_get_tx_stats(struct xgene_enet_pdata *pdata); + +int xgene_enet_mdio_config(struct xgene_enet_pdata *pdata); +void xgene_enet_mdio_remove(struct xgene_enet_pdata *pdata); + +#endif /* __XGENE_ENET_HW_H__ */ diff --git a/drivers/net/ethernet/apm/xgene/xgene_enet_main.c b/drivers/net/ethernet/apm/xgene/xgene_enet_main.c new file mode 100644 index 000000000000..e1a8f4e19983 --- /dev/null +++ b/drivers/net/ethernet/apm/xgene/xgene_enet_main.c @@ -0,0 +1,954 @@ +/* Applied Micro X-Gene SoC Ethernet Driver + * + * Copyright (c) 2014, Applied Micro Circuits Corporation + * Authors: Iyappan Subramanian <isubramanian@apm.com> + * Ravi Patel <rapatel@apm.com> + * Keyur Chudgar <kchudgar@apm.com> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#include "xgene_enet_main.h" +#include "xgene_enet_hw.h" + +static void xgene_enet_init_bufpool(struct xgene_enet_desc_ring *buf_pool) +{ + struct xgene_enet_raw_desc16 *raw_desc; + int i; + + for (i = 0; i < buf_pool->slots; i++) { + raw_desc = &buf_pool->raw_desc16[i]; + + /* Hardware expects descriptor in little endian format */ + raw_desc->m0 = cpu_to_le64(i | + SET_VAL(FPQNUM, buf_pool->dst_ring_num) | + SET_VAL(STASH, 3)); + } +} + +static int xgene_enet_refill_bufpool(struct xgene_enet_desc_ring *buf_pool, + u32 nbuf) +{ + struct sk_buff *skb; + struct xgene_enet_raw_desc16 *raw_desc; + struct net_device *ndev; + struct device *dev; + dma_addr_t dma_addr; + u32 tail = buf_pool->tail; + u32 slots = buf_pool->slots - 1; + u16 bufdatalen, len; + int i; + + ndev = buf_pool->ndev; + dev = ndev_to_dev(buf_pool->ndev); + bufdatalen = BUF_LEN_CODE_2K | (SKB_BUFFER_SIZE & GENMASK(11, 0)); + len = XGENE_ENET_MAX_MTU; + + for (i = 0; i < nbuf; i++) { + raw_desc = &buf_pool->raw_desc16[tail]; + + skb = netdev_alloc_skb_ip_align(ndev, len); + if (unlikely(!skb)) + return -ENOMEM; + buf_pool->rx_skb[tail] = skb; + + dma_addr = dma_map_single(dev, skb->data, len, DMA_FROM_DEVICE); + if (dma_mapping_error(dev, dma_addr)) { + netdev_err(ndev, "DMA mapping error\n"); + dev_kfree_skb_any(skb); + return -EINVAL; + } + + raw_desc->m1 = cpu_to_le64(SET_VAL(DATAADDR, dma_addr) | + SET_VAL(BUFDATALEN, bufdatalen) | + SET_BIT(COHERENT)); + tail = (tail + 1) & slots; + } + + iowrite32(nbuf, buf_pool->cmd); + buf_pool->tail = tail; + + return 0; +} + +static u16 xgene_enet_dst_ring_num(struct xgene_enet_desc_ring *ring) +{ + struct xgene_enet_pdata *pdata = netdev_priv(ring->ndev); + + return ((u16)pdata->rm << 10) | ring->num; +} + +static u8 xgene_enet_hdr_len(const void *data) +{ + const struct ethhdr *eth = data; + + return (eth->h_proto == htons(ETH_P_8021Q)) ? VLAN_ETH_HLEN : ETH_HLEN; +} + +static u32 xgene_enet_ring_len(struct xgene_enet_desc_ring *ring) +{ + u32 __iomem *cmd_base = ring->cmd_base; + u32 ring_state, num_msgs; + + ring_state = ioread32(&cmd_base[1]); + num_msgs = ring_state & CREATE_MASK(NUMMSGSINQ_POS, NUMMSGSINQ_LEN); + + return num_msgs >> NUMMSGSINQ_POS; +} + +static void xgene_enet_delete_bufpool(struct xgene_enet_desc_ring *buf_pool) +{ + struct xgene_enet_raw_desc16 *raw_desc; + u32 slots = buf_pool->slots - 1; + u32 tail = buf_pool->tail; + u32 userinfo; + int i, len; + + len = xgene_enet_ring_len(buf_pool); + for (i = 0; i < len; i++) { + tail = (tail - 1) & slots; + raw_desc = &buf_pool->raw_desc16[tail]; + + /* Hardware stores descriptor in little endian format */ + userinfo = GET_VAL(USERINFO, le64_to_cpu(raw_desc->m0)); + dev_kfree_skb_any(buf_pool->rx_skb[userinfo]); + } + + iowrite32(-len, buf_pool->cmd); + buf_pool->tail = tail; +} + +static irqreturn_t xgene_enet_rx_irq(const int irq, void *data) +{ + struct xgene_enet_desc_ring *rx_ring = data; + + if (napi_schedule_prep(&rx_ring->napi)) { + disable_irq_nosync(irq); + __napi_schedule(&rx_ring->napi); + } + + return IRQ_HANDLED; +} + +static int xgene_enet_tx_completion(struct xgene_enet_desc_ring *cp_ring, + struct xgene_enet_raw_desc *raw_desc) +{ + struct sk_buff *skb; + struct device *dev; + u16 skb_index; + u8 status; + int ret = 0; + + skb_index = GET_VAL(USERINFO, le64_to_cpu(raw_desc->m0)); + skb = cp_ring->cp_skb[skb_index]; + + dev = ndev_to_dev(cp_ring->ndev); + dma_unmap_single(dev, GET_VAL(DATAADDR, le64_to_cpu(raw_desc->m1)), + GET_VAL(BUFDATALEN, le64_to_cpu(raw_desc->m1)), + DMA_TO_DEVICE); + + /* Checking for error */ + status = GET_VAL(LERR, le64_to_cpu(raw_desc->m0)); + if (unlikely(status > 2)) { + xgene_enet_parse_error(cp_ring, netdev_priv(cp_ring->ndev), + status); + ret = -EIO; + } + + if (likely(skb)) { + dev_kfree_skb_any(skb); + } else { + netdev_err(cp_ring->ndev, "completion skb is NULL\n"); + ret = -EIO; + } + + return ret; +} + +static u64 xgene_enet_work_msg(struct sk_buff *skb) +{ + struct iphdr *iph; + u8 l3hlen, l4hlen = 0; + u8 csum_enable = 0; + u8 proto = 0; + u8 ethhdr; + u64 hopinfo; + + if (unlikely(skb->protocol != htons(ETH_P_IP)) && + unlikely(skb->protocol != htons(ETH_P_8021Q))) + goto out; + + if (unlikely(!(skb->dev->features & NETIF_F_IP_CSUM))) + goto out; + + iph = ip_hdr(skb); + if (unlikely(ip_is_fragment(iph))) + goto out; + + if (likely(iph->protocol == IPPROTO_TCP)) { + l4hlen = tcp_hdrlen(skb) >> 2; + csum_enable = 1; + proto = TSO_IPPROTO_TCP; + } else if (iph->protocol == IPPROTO_UDP) { + l4hlen = UDP_HDR_SIZE; + csum_enable = 1; + } +out: + l3hlen = ip_hdrlen(skb) >> 2; + ethhdr = xgene_enet_hdr_len(skb->data); + hopinfo = SET_VAL(TCPHDR, l4hlen) | + SET_VAL(IPHDR, l3hlen) | + SET_VAL(ETHHDR, ethhdr) | + SET_VAL(EC, csum_enable) | + SET_VAL(IS, proto) | + SET_BIT(IC) | + SET_BIT(TYPE_ETH_WORK_MESSAGE); + + return hopinfo; +} + +static int xgene_enet_setup_tx_desc(struct xgene_enet_desc_ring *tx_ring, + struct sk_buff *skb) +{ + struct device *dev = ndev_to_dev(tx_ring->ndev); + struct xgene_enet_raw_desc *raw_desc; + dma_addr_t dma_addr; + u16 tail = tx_ring->tail; + u64 hopinfo; + + raw_desc = &tx_ring->raw_desc[tail]; + memset(raw_desc, 0, sizeof(struct xgene_enet_raw_desc)); + + dma_addr = dma_map_single(dev, skb->data, skb->len, DMA_TO_DEVICE); + if (dma_mapping_error(dev, dma_addr)) { + netdev_err(tx_ring->ndev, "DMA mapping error\n"); + return -EINVAL; + } + + /* Hardware expects descriptor in little endian format */ + raw_desc->m0 = cpu_to_le64(tail); + raw_desc->m1 = cpu_to_le64(SET_VAL(DATAADDR, dma_addr) | + SET_VAL(BUFDATALEN, skb->len) | + SET_BIT(COHERENT)); + hopinfo = xgene_enet_work_msg(skb); + raw_desc->m3 = cpu_to_le64(SET_VAL(HENQNUM, tx_ring->dst_ring_num) | + hopinfo); + tx_ring->cp_ring->cp_skb[tail] = skb; + + return 0; +} + +static netdev_tx_t xgene_enet_start_xmit(struct sk_buff *skb, + struct net_device *ndev) +{ + struct xgene_enet_pdata *pdata = netdev_priv(ndev); + struct xgene_enet_desc_ring *tx_ring = pdata->tx_ring; + struct xgene_enet_desc_ring *cp_ring = tx_ring->cp_ring; + u32 tx_level, cq_level; + + tx_level = xgene_enet_ring_len(tx_ring); + cq_level = xgene_enet_ring_len(cp_ring); + if (unlikely(tx_level > pdata->tx_qcnt_hi || + cq_level > pdata->cp_qcnt_hi)) { + netif_stop_queue(ndev); + return NETDEV_TX_BUSY; + } + + if (xgene_enet_setup_tx_desc(tx_ring, skb)) { + dev_kfree_skb_any(skb); + return NETDEV_TX_OK; + } + + iowrite32(1, tx_ring->cmd); + skb_tx_timestamp(skb); + tx_ring->tail = (tx_ring->tail + 1) & (tx_ring->slots - 1); + + pdata->stats.tx_packets++; + pdata->stats.tx_bytes += skb->len; + + return NETDEV_TX_OK; +} + +static void xgene_enet_skip_csum(struct sk_buff *skb) +{ + struct iphdr *iph = ip_hdr(skb); + + if (!ip_is_fragment(iph) || + (iph->protocol != IPPROTO_TCP && iph->protocol != IPPROTO_UDP)) { + skb->ip_summed = CHECKSUM_UNNECESSARY; + } +} + +static int xgene_enet_rx_frame(struct xgene_enet_desc_ring *rx_ring, + struct xgene_enet_raw_desc *raw_desc) +{ + struct net_device *ndev; + struct xgene_enet_pdata *pdata; + struct device *dev; + struct xgene_enet_desc_ring *buf_pool; + u32 datalen, skb_index; + struct sk_buff *skb; + u8 status; + int ret = 0; + + ndev = rx_ring->ndev; + pdata = netdev_priv(ndev); + dev = ndev_to_dev(rx_ring->ndev); + buf_pool = rx_ring->buf_pool; + + dma_unmap_single(dev, GET_VAL(DATAADDR, le64_to_cpu(raw_desc->m1)), + XGENE_ENET_MAX_MTU, DMA_FROM_DEVICE); + skb_index = GET_VAL(USERINFO, le64_to_cpu(raw_desc->m0)); + skb = buf_pool->rx_skb[skb_index]; + + /* checking for error */ + status = GET_VAL(LERR, le64_to_cpu(raw_desc->m0)); + if (unlikely(status > 2)) { + dev_kfree_skb_any(skb); + xgene_enet_parse_error(rx_ring, netdev_priv(rx_ring->ndev), + status); + pdata->stats.rx_dropped++; + ret = -EIO; + goto out; + } + + /* strip off CRC as HW isn't doing this */ + datalen = GET_VAL(BUFDATALEN, le64_to_cpu(raw_desc->m1)); + datalen -= 4; + prefetch(skb->data - NET_IP_ALIGN); + skb_put(skb, datalen); + + skb_checksum_none_assert(skb); + skb->protocol = eth_type_trans(skb, ndev); + if (likely((ndev->features & NETIF_F_IP_CSUM) && + skb->protocol == htons(ETH_P_IP))) { + xgene_enet_skip_csum(skb); + } + + pdata->stats.rx_packets++; + pdata->stats.rx_bytes += datalen; + napi_gro_receive(&rx_ring->napi, skb); +out: + if (--rx_ring->nbufpool == 0) { + ret = xgene_enet_refill_bufpool(buf_pool, NUM_BUFPOOL); + rx_ring->nbufpool = NUM_BUFPOOL; + } + + return ret; +} + +static bool is_rx_desc(struct xgene_enet_raw_desc *raw_desc) +{ + return GET_VAL(FPQNUM, le64_to_cpu(raw_desc->m0)) ? true : false; +} + +static int xgene_enet_process_ring(struct xgene_enet_desc_ring *ring, + int budget) +{ + struct xgene_enet_pdata *pdata = netdev_priv(ring->ndev); + struct xgene_enet_raw_desc *raw_desc; + u16 head = ring->head; + u16 slots = ring->slots - 1; + int ret, count = 0; + + do { + raw_desc = &ring->raw_desc[head]; + if (unlikely(xgene_enet_is_desc_slot_empty(raw_desc))) + break; + + if (is_rx_desc(raw_desc)) + ret = xgene_enet_rx_frame(ring, raw_desc); + else + ret = xgene_enet_tx_completion(ring, raw_desc); + xgene_enet_mark_desc_slot_empty(raw_desc); + + head = (head + 1) & slots; + count++; + + if (ret) + break; + } while (--budget); + + if (likely(count)) { + iowrite32(-count, ring->cmd); + ring->head = head; + + if (netif_queue_stopped(ring->ndev)) { + if (xgene_enet_ring_len(ring) < pdata->cp_qcnt_low) + netif_wake_queue(ring->ndev); + } + } + + return budget; +} + +static int xgene_enet_napi(struct napi_struct *napi, const int budget) +{ + struct xgene_enet_desc_ring *ring; + int processed; + + ring = container_of(napi, struct xgene_enet_desc_ring, napi); + processed = xgene_enet_process_ring(ring, budget); + + if (processed != budget) { + napi_complete(napi); + enable_irq(ring->irq); + } + + return processed; +} + +static void xgene_enet_timeout(struct net_device *ndev) +{ + struct xgene_enet_pdata *pdata = netdev_priv(ndev); + + xgene_gmac_reset(pdata); +} + +static int xgene_enet_register_irq(struct net_device *ndev) +{ + struct xgene_enet_pdata *pdata = netdev_priv(ndev); + struct device *dev = ndev_to_dev(ndev); + int ret; + + ret = devm_request_irq(dev, pdata->rx_ring->irq, xgene_enet_rx_irq, + IRQF_SHARED, ndev->name, pdata->rx_ring); + if (ret) { + netdev_err(ndev, "rx%d interrupt request failed\n", + pdata->rx_ring->irq); + } + + return ret; +} + +static void xgene_enet_free_irq(struct net_device *ndev) +{ + struct xgene_enet_pdata *pdata; + struct device *dev; + + pdata = netdev_priv(ndev); + dev = ndev_to_dev(ndev); + devm_free_irq(dev, pdata->rx_ring->irq, pdata->rx_ring); +} + +static int xgene_enet_open(struct net_device *ndev) +{ + struct xgene_enet_pdata *pdata = netdev_priv(ndev); + int ret; + + xgene_gmac_tx_enable(pdata); + xgene_gmac_rx_enable(pdata); + + ret = xgene_enet_register_irq(ndev); + if (ret) + return ret; + napi_enable(&pdata->rx_ring->napi); + + if (pdata->phy_dev) + phy_start(pdata->phy_dev); + + netif_start_queue(ndev); + + return ret; +} + +static int xgene_enet_close(struct net_device *ndev) +{ + struct xgene_enet_pdata *pdata = netdev_priv(ndev); + + netif_stop_queue(ndev); + + if (pdata->phy_dev) + phy_stop(pdata->phy_dev); + + napi_disable(&pdata->rx_ring->napi); + xgene_enet_free_irq(ndev); + xgene_enet_process_ring(pdata->rx_ring, -1); + + xgene_gmac_tx_disable(pdata); + xgene_gmac_rx_disable(pdata); + + return 0; +} + +static void xgene_enet_delete_ring(struct xgene_enet_desc_ring *ring) +{ + struct xgene_enet_pdata *pdata; + struct device *dev; + + pdata = netdev_priv(ring->ndev); + dev = ndev_to_dev(ring->ndev); + + xgene_enet_clear_ring(ring); + dma_free_coherent(dev, ring->size, ring->desc_addr, ring->dma); +} + +static void xgene_enet_delete_desc_rings(struct xgene_enet_pdata *pdata) +{ + struct xgene_enet_desc_ring *buf_pool; + + if (pdata->tx_ring) { + xgene_enet_delete_ring(pdata->tx_ring); + pdata->tx_ring = NULL; + } + + if (pdata->rx_ring) { + buf_pool = pdata->rx_ring->buf_pool; + xgene_enet_delete_bufpool(buf_pool); + xgene_enet_delete_ring(buf_pool); + xgene_enet_delete_ring(pdata->rx_ring); + pdata->rx_ring = NULL; + } +} + +static int xgene_enet_get_ring_size(struct device *dev, + enum xgene_enet_ring_cfgsize cfgsize) +{ + int size = -EINVAL; + + switch (cfgsize) { + case RING_CFGSIZE_512B: + size = 0x200; + break; + case RING_CFGSIZE_2KB: + size = 0x800; + break; + case RING_CFGSIZE_16KB: + size = 0x4000; + break; + case RING_CFGSIZE_64KB: + size = 0x10000; + break; + case RING_CFGSIZE_512KB: + size = 0x80000; + break; + default: + dev_err(dev, "Unsupported cfg ring size %d\n", cfgsize); + break; + } + + return size; +} + +static void xgene_enet_free_desc_ring(struct xgene_enet_desc_ring *ring) +{ + struct device *dev; + + if (!ring) + return; + + dev = ndev_to_dev(ring->ndev); + + if (ring->desc_addr) { + xgene_enet_clear_ring(ring); + dma_free_coherent(dev, ring->size, ring->desc_addr, ring->dma); + } + devm_kfree(dev, ring); +} + +static void xgene_enet_free_desc_rings(struct xgene_enet_pdata *pdata) +{ + struct device *dev = &pdata->pdev->dev; + struct xgene_enet_desc_ring *ring; + + ring = pdata->tx_ring; + if (ring && ring->cp_ring && ring->cp_ring->cp_skb) + devm_kfree(dev, ring->cp_ring->cp_skb); + xgene_enet_free_desc_ring(ring); + + ring = pdata->rx_ring; + if (ring && ring->buf_pool && ring->buf_pool->rx_skb) + devm_kfree(dev, ring->buf_pool->rx_skb); + xgene_enet_free_desc_ring(ring->buf_pool); + xgene_enet_free_desc_ring(ring); +} + +static struct xgene_enet_desc_ring *xgene_enet_create_desc_ring( + struct net_device *ndev, u32 ring_num, + enum xgene_enet_ring_cfgsize cfgsize, u32 ring_id) +{ + struct xgene_enet_desc_ring *ring; + struct xgene_enet_pdata *pdata = netdev_priv(ndev); + struct device *dev = ndev_to_dev(ndev); + int size; + + size = xgene_enet_get_ring_size(dev, cfgsize); + if (size < 0) + return NULL; + + ring = devm_kzalloc(dev, sizeof(struct xgene_enet_desc_ring), + GFP_KERNEL); + if (!ring) + return NULL; + + ring->ndev = ndev; + ring->num = ring_num; + ring->cfgsize = cfgsize; + ring->id = ring_id; + + ring->desc_addr = dma_zalloc_coherent(dev, size, &ring->dma, + GFP_KERNEL); + if (!ring->desc_addr) { + devm_kfree(dev, ring); + return NULL; + } + ring->size = size; + + ring->cmd_base = pdata->ring_cmd_addr + (ring->num << 6); + ring->cmd = ring->cmd_base + INC_DEC_CMD_ADDR; + pdata->rm = RM3; + ring = xgene_enet_setup_ring(ring); + netdev_dbg(ndev, "ring info: num=%d size=%d id=%d slots=%d\n", + ring->num, ring->size, ring->id, ring->slots); + + return ring; +} + +static u16 xgene_enet_get_ring_id(enum xgene_ring_owner owner, u8 bufnum) +{ + return (owner << 6) | (bufnum & GENMASK(5, 0)); +} + +static int xgene_enet_create_desc_rings(struct net_device *ndev) +{ + struct xgene_enet_pdata *pdata = netdev_priv(ndev); + struct device *dev = ndev_to_dev(ndev); + struct xgene_enet_desc_ring *rx_ring, *tx_ring, *cp_ring; + struct xgene_enet_desc_ring *buf_pool = NULL; + u8 cpu_bufnum = 0, eth_bufnum = 0; + u8 bp_bufnum = 0x20; + u16 ring_id, ring_num = 0; + int ret; + + /* allocate rx descriptor ring */ + ring_id = xgene_enet_get_ring_id(RING_OWNER_CPU, cpu_bufnum++); + rx_ring = xgene_enet_create_desc_ring(ndev, ring_num++, + RING_CFGSIZE_16KB, ring_id); + if (!rx_ring) { + ret = -ENOMEM; + goto err; + } + + /* allocate buffer pool for receiving packets */ + ring_id = xgene_enet_get_ring_id(RING_OWNER_ETH0, bp_bufnum++); + buf_pool = xgene_enet_create_desc_ring(ndev, ring_num++, + RING_CFGSIZE_2KB, ring_id); + if (!buf_pool) { + ret = -ENOMEM; + goto err; + } + + rx_ring->nbufpool = NUM_BUFPOOL; + rx_ring->buf_pool = buf_pool; + rx_ring->irq = pdata->rx_irq; + buf_pool->rx_skb = devm_kcalloc(dev, buf_pool->slots, + sizeof(struct sk_buff *), GFP_KERNEL); + if (!buf_pool->rx_skb) { + ret = -ENOMEM; + goto err; + } + + buf_pool->dst_ring_num = xgene_enet_dst_ring_num(buf_pool); + rx_ring->buf_pool = buf_pool; + pdata->rx_ring = rx_ring; + + /* allocate tx descriptor ring */ + ring_id = xgene_enet_get_ring_id(RING_OWNER_ETH0, eth_bufnum++); + tx_ring = xgene_enet_create_desc_ring(ndev, ring_num++, + RING_CFGSIZE_16KB, ring_id); + if (!tx_ring) { + ret = -ENOMEM; + goto err; + } + pdata->tx_ring = tx_ring; + + cp_ring = pdata->rx_ring; + cp_ring->cp_skb = devm_kcalloc(dev, tx_ring->slots, + sizeof(struct sk_buff *), GFP_KERNEL); + if (!cp_ring->cp_skb) { + ret = -ENOMEM; + goto err; + } + pdata->tx_ring->cp_ring = cp_ring; + pdata->tx_ring->dst_ring_num = xgene_enet_dst_ring_num(cp_ring); + + pdata->tx_qcnt_hi = pdata->tx_ring->slots / 2; + pdata->cp_qcnt_hi = pdata->rx_ring->slots / 2; + pdata->cp_qcnt_low = pdata->cp_qcnt_hi / 2; + + return 0; + +err: + xgene_enet_free_desc_rings(pdata); + return ret; +} + +static struct rtnl_link_stats64 *xgene_enet_get_stats64( + struct net_device *ndev, + struct rtnl_link_stats64 *storage) +{ + struct xgene_enet_pdata *pdata = netdev_priv(ndev); + struct rtnl_link_stats64 *stats = &pdata->stats; + + stats->rx_errors += stats->rx_length_errors + + stats->rx_crc_errors + + stats->rx_frame_errors + + stats->rx_fifo_errors; + memcpy(storage, &pdata->stats, sizeof(struct rtnl_link_stats64)); + + return storage; +} + +static int xgene_enet_set_mac_address(struct net_device *ndev, void *addr) +{ + struct xgene_enet_pdata *pdata = netdev_priv(ndev); + int ret; + + ret = eth_mac_addr(ndev, addr); + if (ret) + return ret; + xgene_gmac_set_mac_addr(pdata); + + return ret; +} + +static const struct net_device_ops xgene_ndev_ops = { + .ndo_open = xgene_enet_open, + .ndo_stop = xgene_enet_close, + .ndo_start_xmit = xgene_enet_start_xmit, + .ndo_tx_timeout = xgene_enet_timeout, + .ndo_get_stats64 = xgene_enet_get_stats64, + .ndo_change_mtu = eth_change_mtu, + .ndo_set_mac_address = xgene_enet_set_mac_address, +}; + +static int xgene_enet_get_resources(struct xgene_enet_pdata *pdata) +{ + struct platform_device *pdev; + struct net_device *ndev; + struct device *dev; + struct resource *res; + void __iomem *base_addr; + const char *mac; + int ret; + + pdev = pdata->pdev; + dev = &pdev->dev; + ndev = pdata->ndev; + + res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "enet_csr"); + if (!res) { + dev_err(dev, "Resource enet_csr not defined\n"); + return -ENODEV; + } + pdata->base_addr = devm_ioremap_resource(dev, res); + if (IS_ERR(pdata->base_addr)) { + dev_err(dev, "Unable to retrieve ENET Port CSR region\n"); + return PTR_ERR(pdata->base_addr); + } + + res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "ring_csr"); + if (!res) { + dev_err(dev, "Resource ring_csr not defined\n"); + return -ENODEV; + } + pdata->ring_csr_addr = devm_ioremap_resource(dev, res); + if (IS_ERR(pdata->ring_csr_addr)) { + dev_err(dev, "Unable to retrieve ENET Ring CSR region\n"); + return PTR_ERR(pdata->ring_csr_addr); + } + + res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "ring_cmd"); + if (!res) { + dev_err(dev, "Resource ring_cmd not defined\n"); + return -ENODEV; + } + pdata->ring_cmd_addr = devm_ioremap_resource(dev, res); + if (IS_ERR(pdata->ring_cmd_addr)) { + dev_err(dev, "Unable to retrieve ENET Ring command region\n"); + return PTR_ERR(pdata->ring_cmd_addr); + } + + ret = platform_get_irq(pdev, 0); + if (ret <= 0) { + dev_err(dev, "Unable to get ENET Rx IRQ\n"); + ret = ret ? : -ENXIO; + return ret; + } + pdata->rx_irq = ret; + + mac = of_get_mac_address(dev->of_node); + if (mac) + memcpy(ndev->dev_addr, mac, ndev->addr_len); + else + eth_hw_addr_random(ndev); + memcpy(ndev->perm_addr, ndev->dev_addr, ndev->addr_len); + + pdata->phy_mode = of_get_phy_mode(pdev->dev.of_node); + if (pdata->phy_mode < 0) { + dev_err(dev, "Incorrect phy-connection-type in DTS\n"); + return -EINVAL; + } + + pdata->clk = devm_clk_get(&pdev->dev, NULL); + ret = IS_ERR(pdata->clk); + if (IS_ERR(pdata->clk)) { + dev_err(&pdev->dev, "can't get clock\n"); + ret = PTR_ERR(pdata->clk); + return ret; + } + + base_addr = pdata->base_addr; + pdata->eth_csr_addr = base_addr + BLOCK_ETH_CSR_OFFSET; + pdata->eth_ring_if_addr = base_addr + BLOCK_ETH_RING_IF_OFFSET; + pdata->eth_diag_csr_addr = base_addr + BLOCK_ETH_DIAG_CSR_OFFSET; + pdata->mcx_mac_addr = base_addr + BLOCK_ETH_MAC_OFFSET; + pdata->mcx_stats_addr = base_addr + BLOCK_ETH_STATS_OFFSET; + pdata->mcx_mac_csr_addr = base_addr + BLOCK_ETH_MAC_CSR_OFFSET; + pdata->rx_buff_cnt = NUM_PKT_BUF; + + return ret; +} + +static int xgene_enet_init_hw(struct xgene_enet_pdata *pdata) +{ + struct net_device *ndev = pdata->ndev; + struct xgene_enet_desc_ring *buf_pool; + u16 dst_ring_num; + int ret; + + xgene_gmac_tx_disable(pdata); + xgene_gmac_rx_disable(pdata); + + ret = xgene_enet_create_desc_rings(ndev); + if (ret) { + netdev_err(ndev, "Error in ring configuration\n"); + return ret; + } + + /* setup buffer pool */ + buf_pool = pdata->rx_ring->buf_pool; + xgene_enet_init_bufpool(buf_pool); + ret = xgene_enet_refill_bufpool(buf_pool, pdata->rx_buff_cnt); + if (ret) { + xgene_enet_delete_desc_rings(pdata); + return ret; + } + + dst_ring_num = xgene_enet_dst_ring_num(pdata->rx_ring); + xgene_enet_cle_bypass(pdata, dst_ring_num, buf_pool->id); + + return ret; +} + +static int xgene_enet_probe(struct platform_device *pdev) +{ + struct net_device *ndev; + struct xgene_enet_pdata *pdata; + struct device *dev = &pdev->dev; + struct napi_struct *napi; + int ret; + + ndev = alloc_etherdev(sizeof(struct xgene_enet_pdata)); + if (!ndev) + return -ENOMEM; + + pdata = netdev_priv(ndev); + + pdata->pdev = pdev; + pdata->ndev = ndev; + SET_NETDEV_DEV(ndev, dev); + platform_set_drvdata(pdev, pdata); + ndev->netdev_ops = &xgene_ndev_ops; + xgene_enet_set_ethtool_ops(ndev); + ndev->features |= NETIF_F_IP_CSUM | + NETIF_F_GSO | + NETIF_F_GRO; + + ret = xgene_enet_get_resources(pdata); + if (ret) + goto err; + + xgene_enet_reset(pdata); + xgene_gmac_init(pdata, SPEED_1000); + + ret = register_netdev(ndev); + if (ret) { + netdev_err(ndev, "Failed to register netdev\n"); + goto err; + } + + ret = dma_set_mask_and_coherent(dev, DMA_BIT_MASK(64)); + if (ret) { + netdev_err(ndev, "No usable DMA configuration\n"); + goto err; + } + + ret = xgene_enet_init_hw(pdata); + if (ret) + goto err; + + napi = &pdata->rx_ring->napi; + netif_napi_add(ndev, napi, xgene_enet_napi, NAPI_POLL_WEIGHT); + ret = xgene_enet_mdio_config(pdata); + + return ret; +err: + free_netdev(ndev); + return ret; +} + +static int xgene_enet_remove(struct platform_device *pdev) +{ + struct xgene_enet_pdata *pdata; + struct net_device *ndev; + + pdata = platform_get_drvdata(pdev); + ndev = pdata->ndev; + + xgene_gmac_rx_disable(pdata); + xgene_gmac_tx_disable(pdata); + + netif_napi_del(&pdata->rx_ring->napi); + xgene_enet_mdio_remove(pdata); + xgene_enet_delete_desc_rings(pdata); + unregister_netdev(ndev); + xgene_gport_shutdown(pdata); + free_netdev(ndev); + + return 0; +} + +static struct of_device_id xgene_enet_match[] = { + {.compatible = "apm,xgene-enet",}, + {}, +}; + +MODULE_DEVICE_TABLE(of, xgene_enet_match); + +static struct platform_driver xgene_enet_driver = { + .driver = { + .name = "xgene-enet", + .of_match_table = xgene_enet_match, + }, + .probe = xgene_enet_probe, + .remove = xgene_enet_remove, +}; + +module_platform_driver(xgene_enet_driver); + +MODULE_DESCRIPTION("APM X-Gene SoC Ethernet driver"); +MODULE_VERSION(XGENE_DRV_VERSION); +MODULE_AUTHOR("Keyur Chudgar <kchudgar@apm.com>"); +MODULE_LICENSE("GPL"); diff --git a/drivers/net/ethernet/apm/xgene/xgene_enet_main.h b/drivers/net/ethernet/apm/xgene/xgene_enet_main.h new file mode 100644 index 000000000000..0815866986b0 --- /dev/null +++ b/drivers/net/ethernet/apm/xgene/xgene_enet_main.h @@ -0,0 +1,135 @@ +/* Applied Micro X-Gene SoC Ethernet Driver + * + * Copyright (c) 2014, Applied Micro Circuits Corporation + * Authors: Iyappan Subramanian <isubramanian@apm.com> + * Ravi Patel <rapatel@apm.com> + * Keyur Chudgar <kchudgar@apm.com> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#ifndef __XGENE_ENET_MAIN_H__ +#define __XGENE_ENET_MAIN_H__ + +#include <linux/clk.h> +#include <linux/of_platform.h> +#include <linux/of_net.h> +#include <linux/of_mdio.h> +#include <linux/module.h> +#include <net/ip.h> +#include <linux/prefetch.h> +#include <linux/if_vlan.h> +#include <linux/phy.h> +#include "xgene_enet_hw.h" + +#define XGENE_DRV_VERSION "v1.0" +#define XGENE_ENET_MAX_MTU 1536 +#define SKB_BUFFER_SIZE (XGENE_ENET_MAX_MTU - NET_IP_ALIGN) +#define NUM_PKT_BUF 64 +#define NUM_BUFPOOL 32 + +/* software context of a descriptor ring */ +struct xgene_enet_desc_ring { + struct net_device *ndev; + u16 id; + u16 num; + u16 head; + u16 tail; + u16 slots; + u16 irq; + u32 size; + u32 state[NUM_RING_CONFIG]; + void __iomem *cmd_base; + void __iomem *cmd; + dma_addr_t dma; + u16 dst_ring_num; + u8 nbufpool; + struct sk_buff *(*rx_skb); + struct sk_buff *(*cp_skb); + enum xgene_enet_ring_cfgsize cfgsize; + struct xgene_enet_desc_ring *cp_ring; + struct xgene_enet_desc_ring *buf_pool; + struct napi_struct napi; + union { + void *desc_addr; + struct xgene_enet_raw_desc *raw_desc; + struct xgene_enet_raw_desc16 *raw_desc16; + }; +}; + +/* ethernet private data */ +struct xgene_enet_pdata { + struct net_device *ndev; + struct mii_bus *mdio_bus; + struct phy_device *phy_dev; + int phy_speed; + struct clk *clk; + struct platform_device *pdev; + struct xgene_enet_desc_ring *tx_ring; + struct xgene_enet_desc_ring *rx_ring; + char *dev_name; + u32 rx_buff_cnt; + u32 tx_qcnt_hi; + u32 cp_qcnt_hi; + u32 cp_qcnt_low; + u32 rx_irq; + void __iomem *eth_csr_addr; + void __iomem *eth_ring_if_addr; + void __iomem *eth_diag_csr_addr; + void __iomem *mcx_mac_addr; + void __iomem *mcx_stats_addr; + void __iomem *mcx_mac_csr_addr; + void __iomem *base_addr; + void __iomem *ring_csr_addr; + void __iomem *ring_cmd_addr; + u32 phy_addr; + int phy_mode; + u32 speed; + u16 rm; + struct rtnl_link_stats64 stats; +}; + +/* Set the specified value into a bit-field defined by its starting position + * and length within a single u64. + */ +static inline u64 xgene_enet_set_field_value(int pos, int len, u64 val) +{ + return (val & ((1ULL << len) - 1)) << pos; +} + +#define SET_VAL(field, val) \ + xgene_enet_set_field_value(field ## _POS, field ## _LEN, val) + +#define SET_BIT(field) \ + xgene_enet_set_field_value(field ## _POS, 1, 1) + +/* Get the value from a bit-field defined by its starting position + * and length within the specified u64. + */ +static inline u64 xgene_enet_get_field_value(int pos, int len, u64 src) +{ + return (src >> pos) & ((1ULL << len) - 1); +} + +#define GET_VAL(field, src) \ + xgene_enet_get_field_value(field ## _POS, field ## _LEN, src) + +static inline struct device *ndev_to_dev(struct net_device *ndev) +{ + return ndev->dev.parent; +} + +void xgene_enet_set_ethtool_ops(struct net_device *netdev); + +#endif /* __XGENE_ENET_MAIN_H__ */ diff --git a/drivers/net/ethernet/atheros/alx/main.c b/drivers/net/ethernet/atheros/alx/main.c index 49faa97a30c3..e398eda07298 100644 --- a/drivers/net/ethernet/atheros/alx/main.c +++ b/drivers/net/ethernet/atheros/alx/main.c @@ -1527,7 +1527,7 @@ static const struct pci_error_handlers alx_err_handlers = { .resume = alx_pci_error_resume, }; -static DEFINE_PCI_DEVICE_TABLE(alx_pci_tbl) = { +static const struct pci_device_id alx_pci_tbl[] = { { PCI_VDEVICE(ATTANSIC, ALX_DEV_ID_AR8161), .driver_data = ALX_DEV_QUIRK_MSI_INTX_DISABLE_BUG }, { PCI_VDEVICE(ATTANSIC, ALX_DEV_ID_E2200), diff --git a/drivers/net/ethernet/atheros/atl1c/atl1c_main.c b/drivers/net/ethernet/atheros/atl1c/atl1c_main.c index e11bf18fbbd1..72fb86b9aa24 100644 --- a/drivers/net/ethernet/atheros/atl1c/atl1c_main.c +++ b/drivers/net/ethernet/atheros/atl1c/atl1c_main.c @@ -34,7 +34,7 @@ char atl1c_driver_version[] = ATL1C_DRV_VERSION; * { Vendor ID, Device ID, SubVendor ID, SubDevice ID, * Class, Class Mask, private data (not used) } */ -static DEFINE_PCI_DEVICE_TABLE(atl1c_pci_tbl) = { +static const struct pci_device_id atl1c_pci_tbl[] = { {PCI_DEVICE(PCI_VENDOR_ID_ATTANSIC, PCI_DEVICE_ID_ATTANSIC_L1C)}, {PCI_DEVICE(PCI_VENDOR_ID_ATTANSIC, PCI_DEVICE_ID_ATTANSIC_L2C)}, {PCI_DEVICE(PCI_VENDOR_ID_ATTANSIC, PCI_DEVICE_ID_ATHEROS_L2C_B)}, diff --git a/drivers/net/ethernet/atheros/atl1e/atl1e_main.c b/drivers/net/ethernet/atheros/atl1e/atl1e_main.c index 316e0c3fe048..2326579f9454 100644 --- a/drivers/net/ethernet/atheros/atl1e/atl1e_main.c +++ b/drivers/net/ethernet/atheros/atl1e/atl1e_main.c @@ -35,7 +35,7 @@ char atl1e_driver_version[] = DRV_VERSION; * { Vendor ID, Device ID, SubVendor ID, SubDevice ID, * Class, Class Mask, private data (not used) } */ -static DEFINE_PCI_DEVICE_TABLE(atl1e_pci_tbl) = { +static const struct pci_device_id atl1e_pci_tbl[] = { {PCI_DEVICE(PCI_VENDOR_ID_ATTANSIC, PCI_DEVICE_ID_ATTANSIC_L1E)}, {PCI_DEVICE(PCI_VENDOR_ID_ATTANSIC, 0x1066)}, /* required last entry */ diff --git a/drivers/net/ethernet/atheros/atlx/atl1.c b/drivers/net/ethernet/atheros/atlx/atl1.c index 1546d550ac97..2c8f398aeda9 100644 --- a/drivers/net/ethernet/atheros/atlx/atl1.c +++ b/drivers/net/ethernet/atheros/atlx/atl1.c @@ -235,7 +235,7 @@ static void atl1_check_options(struct atl1_adapter *adapter) /* * atl1_pci_tbl - PCI Device ID Table */ -static DEFINE_PCI_DEVICE_TABLE(atl1_pci_tbl) = { +static const struct pci_device_id atl1_pci_tbl[] = { {PCI_DEVICE(PCI_VENDOR_ID_ATTANSIC, PCI_DEVICE_ID_ATTANSIC_L1)}, /* required last entry */ {0,} diff --git a/drivers/net/ethernet/atheros/atlx/atl2.c b/drivers/net/ethernet/atheros/atlx/atl2.c index c194bc687c30..84a09e8ddd9c 100644 --- a/drivers/net/ethernet/atheros/atlx/atl2.c +++ b/drivers/net/ethernet/atheros/atlx/atl2.c @@ -65,7 +65,7 @@ MODULE_VERSION(ATL2_DRV_VERSION); /* * atl2_pci_tbl - PCI Device ID Table */ -static DEFINE_PCI_DEVICE_TABLE(atl2_pci_tbl) = { +static const struct pci_device_id atl2_pci_tbl[] = { {PCI_DEVICE(PCI_VENDOR_ID_ATTANSIC, PCI_DEVICE_ID_ATTANSIC_L2)}, /* required last entry */ {0,} diff --git a/drivers/net/ethernet/broadcom/b44.c b/drivers/net/ethernet/broadcom/b44.c index ca5a20a48b14..4a7028d65912 100644 --- a/drivers/net/ethernet/broadcom/b44.c +++ b/drivers/net/ethernet/broadcom/b44.c @@ -105,7 +105,7 @@ MODULE_PARM_DESC(b44_debug, "B44 bitmapped debugging message enable value"); #ifdef CONFIG_B44_PCI -static DEFINE_PCI_DEVICE_TABLE(b44_pci_tbl) = { +static const struct pci_device_id b44_pci_tbl[] = { { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_BCM4401) }, { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_BCM4401B0) }, { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_BCM4401B1) }, diff --git a/drivers/net/ethernet/broadcom/bnx2.c b/drivers/net/ethernet/broadcom/bnx2.c index e64c963fe775..2fee73b878c2 100644 --- a/drivers/net/ethernet/broadcom/bnx2.c +++ b/drivers/net/ethernet/broadcom/bnx2.c @@ -120,7 +120,7 @@ static struct { { "Broadcom NetXtreme II BCM5716 1000Base-SX" }, }; -static DEFINE_PCI_DEVICE_TABLE(bnx2_pci_tbl) = { +static const struct pci_device_id bnx2_pci_tbl[] = { { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706, PCI_VENDOR_ID_HP, 0x3101, 0, 0, NC370T }, { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5706, diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c index 3871ec49cc4d..c13364b6cc19 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c @@ -249,7 +249,7 @@ static struct { #define PCI_DEVICE_ID_NX2_57811_VF CHIP_NUM_57811_VF #endif -static DEFINE_PCI_DEVICE_TABLE(bnx2x_pci_tbl) = { +static const struct pci_device_id bnx2x_pci_tbl[] = { { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57710), BCM57710 }, { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57711), BCM57711 }, { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57711E), BCM57711E }, diff --git a/drivers/net/ethernet/broadcom/genet/bcmgenet.c b/drivers/net/ethernet/broadcom/genet/bcmgenet.c index ce455aed5a2f..3f9d4de8173c 100644 --- a/drivers/net/ethernet/broadcom/genet/bcmgenet.c +++ b/drivers/net/ethernet/broadcom/genet/bcmgenet.c @@ -739,7 +739,6 @@ static void bcmgenet_power_down(struct bcmgenet_priv *priv, case GENET_POWER_PASSIVE: /* Power down LED */ - bcmgenet_mii_reset(priv->dev); if (priv->hw_params->flags & GENET_HAS_EXT) { reg = bcmgenet_ext_readl(priv, EXT_EXT_PWR_MGMT); reg |= (EXT_PWR_DOWN_PHY | @@ -779,7 +778,9 @@ static void bcmgenet_power_up(struct bcmgenet_priv *priv, } bcmgenet_ext_writel(priv, reg, EXT_EXT_PWR_MGMT); - bcmgenet_mii_reset(priv->dev); + + if (mode == GENET_POWER_PASSIVE) + bcmgenet_mii_reset(priv->dev); } /* ioctl handle special commands that are not present in ethtool. */ @@ -1961,7 +1962,8 @@ static void bcmgenet_set_hw_addr(struct bcmgenet_priv *priv, static int bcmgenet_wol_resume(struct bcmgenet_priv *priv) { /* From WOL-enabled suspend, switch to regular clock */ - clk_disable_unprepare(priv->clk_wol); + if (priv->wolopts) + clk_disable_unprepare(priv->clk_wol); phy_init_hw(priv->phydev); /* Speed settings must be restored */ @@ -2164,6 +2166,10 @@ static void bcmgenet_netif_stop(struct net_device *dev) * disabled no new work will be scheduled. */ cancel_work_sync(&priv->bcmgenet_irq_work); + + priv->old_pause = -1; + priv->old_link = -1; + priv->old_duplex = -1; } static int bcmgenet_close(struct net_device *dev) @@ -2533,6 +2539,13 @@ static int bcmgenet_probe(struct platform_device *pdev) priv->pdev = pdev; priv->version = (enum bcmgenet_version)of_id->data; + priv->clk = devm_clk_get(&priv->pdev->dev, "enet"); + if (IS_ERR(priv->clk)) + dev_warn(&priv->pdev->dev, "failed to get enet clock\n"); + + if (!IS_ERR(priv->clk)) + clk_prepare_enable(priv->clk); + bcmgenet_set_hw_params(priv); /* Mii wait queue */ @@ -2541,17 +2554,10 @@ static int bcmgenet_probe(struct platform_device *pdev) priv->rx_buf_len = RX_BUF_LENGTH; INIT_WORK(&priv->bcmgenet_irq_work, bcmgenet_irq_task); - priv->clk = devm_clk_get(&priv->pdev->dev, "enet"); - if (IS_ERR(priv->clk)) - dev_warn(&priv->pdev->dev, "failed to get enet clock\n"); - priv->clk_wol = devm_clk_get(&priv->pdev->dev, "enet-wol"); if (IS_ERR(priv->clk_wol)) dev_warn(&priv->pdev->dev, "failed to get enet-wol clock\n"); - if (!IS_ERR(priv->clk)) - clk_prepare_enable(priv->clk); - err = reset_umac(priv); if (err) goto err_clk_disable; @@ -2611,6 +2617,8 @@ static int bcmgenet_suspend(struct device *d) bcmgenet_netif_stop(dev); + phy_suspend(priv->phydev); + netif_device_detach(dev); /* Disable MAC receive */ @@ -2661,9 +2669,7 @@ static int bcmgenet_resume(struct device *d) if (ret) goto out_clk_disable; - if (priv->wolopts) - ret = bcmgenet_wol_resume(priv); - + ret = bcmgenet_wol_resume(priv); if (ret) goto out_clk_disable; @@ -2678,6 +2684,9 @@ static int bcmgenet_resume(struct device *d) bcmgenet_ext_writel(priv, reg, EXT_EXT_PWR_MGMT); } + if (priv->wolopts) + bcmgenet_power_up(priv, GENET_POWER_WOL_MAGIC); + /* Disable RX/TX DMA and flush TX queues */ dma_ctrl = bcmgenet_dma_disable(priv); @@ -2693,6 +2702,8 @@ static int bcmgenet_resume(struct device *d) netif_device_attach(dev); + phy_resume(priv->phydev); + bcmgenet_netif_start(dev); return 0; diff --git a/drivers/net/ethernet/broadcom/genet/bcmmii.c b/drivers/net/ethernet/broadcom/genet/bcmmii.c index 18961613d385..c88f7ae99636 100644 --- a/drivers/net/ethernet/broadcom/genet/bcmmii.c +++ b/drivers/net/ethernet/broadcom/genet/bcmmii.c @@ -129,7 +129,10 @@ static void bcmgenet_mii_setup(struct net_device *dev) cmd_bits |= CMD_RX_PAUSE_IGNORE | CMD_TX_PAUSE_IGNORE; } - if (status_changed) { + if (!status_changed) + return; + + if (phydev->link) { reg = bcmgenet_umac_readl(priv, UMAC_CMD); reg &= ~((CMD_SPEED_MASK << CMD_SPEED_SHIFT) | CMD_HD_EN | @@ -137,8 +140,9 @@ static void bcmgenet_mii_setup(struct net_device *dev) reg |= cmd_bits; bcmgenet_umac_writel(priv, reg, UMAC_CMD); - phy_print_status(phydev); } + + phy_print_status(phydev); } void bcmgenet_mii_reset(struct net_device *dev) @@ -303,12 +307,12 @@ static int bcmgenet_mii_probe(struct net_device *dev) /* In the case of a fixed PHY, the DT node associated * to the PHY is the Ethernet MAC DT node. */ - if (of_phy_is_fixed_link(dn)) { + if (!priv->phy_dn && of_phy_is_fixed_link(dn)) { ret = of_phy_register_fixed_link(dn); if (ret) return ret; - priv->phy_dn = dn; + priv->phy_dn = of_node_get(dn); } phydev = of_phy_connect(dev, priv->phy_dn, bcmgenet_mii_setup, 0, @@ -444,6 +448,7 @@ int bcmgenet_mii_init(struct net_device *dev) return 0; out: + of_node_put(priv->phy_dn); mdiobus_unregister(priv->mii_bus); out_free: kfree(priv->mii_bus->irq); @@ -455,6 +460,7 @@ void bcmgenet_mii_exit(struct net_device *dev) { struct bcmgenet_priv *priv = netdev_priv(dev); + of_node_put(priv->phy_dn); mdiobus_unregister(priv->mii_bus); kfree(priv->mii_bus->irq); mdiobus_free(priv->mii_bus); diff --git a/drivers/net/ethernet/broadcom/tg3.c b/drivers/net/ethernet/broadcom/tg3.c index a3dd5dc64f4c..3ac5d23454a8 100644 --- a/drivers/net/ethernet/broadcom/tg3.c +++ b/drivers/net/ethernet/broadcom/tg3.c @@ -237,7 +237,7 @@ MODULE_PARM_DESC(tg3_debug, "Tigon3 bitmapped debugging message enable value"); #define TG3_DRV_DATA_FLAG_10_100_ONLY 0x0001 #define TG3_DRV_DATA_FLAG_5705_10_100 0x0002 -static DEFINE_PCI_DEVICE_TABLE(tg3_pci_tbl) = { +static const struct pci_device_id tg3_pci_tbl[] = { {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5700)}, {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5701)}, {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5702)}, @@ -14093,8 +14093,9 @@ static struct rtnl_link_stats64 *tg3_get_stats64(struct net_device *dev, spin_lock_bh(&tp->lock); if (!tp->hw_stats) { + *stats = tp->net_stats_prev; spin_unlock_bh(&tp->lock); - return &tp->net_stats_prev; + return stats; } tg3_get_nstats(tp, stats); @@ -15926,7 +15927,7 @@ static inline u32 tg3_rx_ret_ring_size(struct tg3 *tp) return TG3_RX_RET_MAX_SIZE_5705; } -static DEFINE_PCI_DEVICE_TABLE(tg3_write_reorder_chipsets) = { +static const struct pci_device_id tg3_write_reorder_chipsets[] = { { PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_FE_GATE_700C) }, { PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_8131_BRIDGE) }, { PCI_DEVICE(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_8385_0) }, @@ -17185,7 +17186,7 @@ static int tg3_do_test_dma(struct tg3 *tp, u32 *buf, dma_addr_t buf_dma, #define TEST_BUFFER_SIZE 0x2000 -static DEFINE_PCI_DEVICE_TABLE(tg3_dma_wait_state_chipsets) = { +static const struct pci_device_id tg3_dma_wait_state_chipsets[] = { { PCI_DEVICE(PCI_VENDOR_ID_APPLE, PCI_DEVICE_ID_APPLE_UNI_N_PCI15) }, { }, }; diff --git a/drivers/net/ethernet/brocade/bna/bnad.c b/drivers/net/ethernet/brocade/bna/bnad.c index 556aab75f490..ff8cae5e2535 100644 --- a/drivers/net/ethernet/brocade/bna/bnad.c +++ b/drivers/net/ethernet/brocade/bna/bnad.c @@ -3836,7 +3836,7 @@ bnad_pci_remove(struct pci_dev *pdev) free_netdev(netdev); } -static DEFINE_PCI_DEVICE_TABLE(bnad_pci_id_table) = { +static const struct pci_device_id bnad_pci_id_table[] = { { PCI_DEVICE(PCI_VENDOR_ID_BROCADE, PCI_DEVICE_ID_BROCADE_CT), diff --git a/drivers/net/ethernet/chelsio/cxgb/subr.c b/drivers/net/ethernet/chelsio/cxgb/subr.c index 816719314cc8..ea0f8741d7cf 100644 --- a/drivers/net/ethernet/chelsio/cxgb/subr.c +++ b/drivers/net/ethernet/chelsio/cxgb/subr.c @@ -522,7 +522,7 @@ static const struct board_info t1_board[] = { }; -DEFINE_PCI_DEVICE_TABLE(t1_pci_tbl) = { +const struct pci_device_id t1_pci_tbl[] = { CH_DEVICE(8, 0, CH_BRD_T110_1CU), CH_DEVICE(8, 1, CH_BRD_T110_1CU), CH_DEVICE(7, 0, CH_BRD_N110_1F), diff --git a/drivers/net/ethernet/chelsio/cxgb3/cxgb3_main.c b/drivers/net/ethernet/chelsio/cxgb3/cxgb3_main.c index 5d9cce053cc9..db76f7040455 100644 --- a/drivers/net/ethernet/chelsio/cxgb3/cxgb3_main.c +++ b/drivers/net/ethernet/chelsio/cxgb3/cxgb3_main.c @@ -85,7 +85,7 @@ enum { #define CH_DEVICE(devid, idx) \ { PCI_VENDOR_ID_CHELSIO, devid, PCI_ANY_ID, PCI_ANY_ID, 0, 0, idx } -static DEFINE_PCI_DEVICE_TABLE(cxgb3_pci_tbl) = { +static const struct pci_device_id cxgb3_pci_tbl[] = { CH_DEVICE(0x20, 0), /* PE9000 */ CH_DEVICE(0x21, 1), /* T302E */ CH_DEVICE(0x22, 2), /* T310E */ diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h b/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h index c9b922cc3e67..d57282172ea5 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h +++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h @@ -50,13 +50,13 @@ #include "cxgb4_uld.h" #define T4FW_VERSION_MAJOR 0x01 -#define T4FW_VERSION_MINOR 0x09 -#define T4FW_VERSION_MICRO 0x17 +#define T4FW_VERSION_MINOR 0x0B +#define T4FW_VERSION_MICRO 0x1B #define T4FW_VERSION_BUILD 0x00 #define T5FW_VERSION_MAJOR 0x01 -#define T5FW_VERSION_MINOR 0x09 -#define T5FW_VERSION_MICRO 0x17 +#define T5FW_VERSION_MINOR 0x0B +#define T5FW_VERSION_MICRO 0x1B #define T5FW_VERSION_BUILD 0x00 #define CH_WARN(adap, fmt, ...) dev_warn(adap->pdev_dev, fmt, ## __VA_ARGS__) @@ -522,6 +522,9 @@ struct sge_txq { struct sge_eth_txq { /* state for an SGE Ethernet Tx queue */ struct sge_txq q; struct netdev_queue *txq; /* associated netdev TX queue */ +#ifdef CONFIG_CHELSIO_T4_DCB + u8 dcb_prio; /* DCB Priority bound to queue */ +#endif unsigned long tso; /* # of TSO requests */ unsigned long tx_cso; /* # of Tx checksum offloads */ unsigned long vlan_ins; /* # of Tx VLAN insertions */ diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_dcb.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_dcb.c index 0d3a9df5be36..8edf0f5bd679 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_dcb.c +++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_dcb.c @@ -20,6 +20,17 @@ #include "cxgb4.h" +/* DCBx version control + */ +char *dcb_ver_array[] = { + "Unknown", + "DCBx-CIN", + "DCBx-CEE 1.01", + "DCBx-IEEE", + "", "", "", + "Auto Negotiated" +}; + /* Initialize a port's Data Center Bridging state. Typically used after a * Link Down event. */ @@ -27,25 +38,45 @@ void cxgb4_dcb_state_init(struct net_device *dev) { struct port_info *pi = netdev2pinfo(dev); struct port_dcb_info *dcb = &pi->dcb; + int version_temp = dcb->dcb_version; memset(dcb, 0, sizeof(struct port_dcb_info)); dcb->state = CXGB4_DCB_STATE_START; + if (version_temp) + dcb->dcb_version = version_temp; + + netdev_dbg(dev, "%s: Initializing DCB state for port[%d]\n", + __func__, pi->port_id); +} + +void cxgb4_dcb_version_init(struct net_device *dev) +{ + struct port_info *pi = netdev2pinfo(dev); + struct port_dcb_info *dcb = &pi->dcb; + + /* Any writes here are only done on kernels that exlicitly need + * a specific version, say < 2.6.38 which only support CEE + */ + dcb->dcb_version = FW_PORT_DCB_VER_AUTO; } /* Finite State machine for Data Center Bridging. */ void cxgb4_dcb_state_fsm(struct net_device *dev, - enum cxgb4_dcb_state_input input) + enum cxgb4_dcb_state_input transition_to) { struct port_info *pi = netdev2pinfo(dev); struct port_dcb_info *dcb = &pi->dcb; struct adapter *adap = pi->adapter; + enum cxgb4_dcb_state current_state = dcb->state; - switch (input) { - case CXGB4_DCB_INPUT_FW_DISABLED: { - /* Firmware tells us it's not doing DCB */ - switch (dcb->state) { - case CXGB4_DCB_STATE_START: { + netdev_dbg(dev, "%s: State change from %d to %d for %s\n", + __func__, dcb->state, transition_to, dev->name); + + switch (current_state) { + case CXGB4_DCB_STATE_START: { + switch (transition_to) { + case CXGB4_DCB_INPUT_FW_DISABLED: { /* we're going to use Host DCB */ dcb->state = CXGB4_DCB_STATE_HOST; dcb->supported = CXGB4_DCBX_HOST_SUPPORT; @@ -53,48 +84,62 @@ void cxgb4_dcb_state_fsm(struct net_device *dev, break; } - case CXGB4_DCB_STATE_HOST: { - /* we're alreaady in Host DCB mode */ + case CXGB4_DCB_INPUT_FW_ENABLED: { + /* we're going to use Firmware DCB */ + dcb->state = CXGB4_DCB_STATE_FW_INCOMPLETE; + dcb->supported = CXGB4_DCBX_FW_SUPPORT; + break; + } + + case CXGB4_DCB_INPUT_FW_INCOMPLETE: { + /* expected transition */ + break; + } + + case CXGB4_DCB_INPUT_FW_ALLSYNCED: { + dcb->state = CXGB4_DCB_STATE_FW_ALLSYNCED; break; } default: - goto bad_state_transition; + goto bad_state_input; } break; } - case CXGB4_DCB_INPUT_FW_ENABLED: { - /* Firmware tells us that it is doing DCB */ - switch (dcb->state) { - case CXGB4_DCB_STATE_START: { - /* we're going to use Firmware DCB */ - dcb->state = CXGB4_DCB_STATE_FW_INCOMPLETE; - dcb->supported = CXGB4_DCBX_FW_SUPPORT; + case CXGB4_DCB_STATE_FW_INCOMPLETE: { + switch (transition_to) { + case CXGB4_DCB_INPUT_FW_ENABLED: { + /* we're alreaady in firmware DCB mode */ break; } - case CXGB4_DCB_STATE_FW_INCOMPLETE: - case CXGB4_DCB_STATE_FW_ALLSYNCED: { - /* we're alreaady in firmware DCB mode */ + case CXGB4_DCB_INPUT_FW_INCOMPLETE: { + /* we're already incomplete */ + break; + } + + case CXGB4_DCB_INPUT_FW_ALLSYNCED: { + dcb->state = CXGB4_DCB_STATE_FW_ALLSYNCED; + dcb->enabled = 1; + linkwatch_fire_event(dev); break; } default: - goto bad_state_transition; + goto bad_state_input; } break; } - case CXGB4_DCB_INPUT_FW_INCOMPLETE: { - /* Firmware tells us that its DCB state is incomplete */ - switch (dcb->state) { - case CXGB4_DCB_STATE_FW_INCOMPLETE: { - /* we're already incomplete */ + case CXGB4_DCB_STATE_FW_ALLSYNCED: { + switch (transition_to) { + case CXGB4_DCB_INPUT_FW_ENABLED: { + /* we're alreaady in firmware DCB mode */ break; } - case CXGB4_DCB_STATE_FW_ALLSYNCED: { + case CXGB4_DCB_INPUT_FW_INCOMPLETE: { /* We were successfully running with firmware DCB but * now it's telling us that it's in an "incomplete * state. We need to reset back to a ground state @@ -107,46 +152,48 @@ void cxgb4_dcb_state_fsm(struct net_device *dev, break; } - default: - goto bad_state_transition; - } - break; - } - - case CXGB4_DCB_INPUT_FW_ALLSYNCED: { - /* Firmware tells us that its DCB state is complete */ - switch (dcb->state) { - case CXGB4_DCB_STATE_FW_INCOMPLETE: { - dcb->state = CXGB4_DCB_STATE_FW_ALLSYNCED; + case CXGB4_DCB_INPUT_FW_ALLSYNCED: { + /* we're already all sync'ed + * this is only applicable for IEEE or + * when another VI already completed negotiaton + */ dcb->enabled = 1; linkwatch_fire_event(dev); break; } - case CXGB4_DCB_STATE_FW_ALLSYNCED: { - /* we're already all sync'ed */ + default: + goto bad_state_input; + } + break; + } + + case CXGB4_DCB_STATE_HOST: { + switch (transition_to) { + case CXGB4_DCB_INPUT_FW_DISABLED: { + /* we're alreaady in Host DCB mode */ break; } default: - goto bad_state_transition; + goto bad_state_input; } break; } default: - goto bad_state_input; + goto bad_state_transition; } return; bad_state_input: dev_err(adap->pdev_dev, "cxgb4_dcb_state_fsm: illegal input symbol %d\n", - input); + transition_to); return; bad_state_transition: dev_err(adap->pdev_dev, "cxgb4_dcb_state_fsm: bad state transition, state = %d, input = %d\n", - dcb->state, input); + current_state, transition_to); } /* Handle a DCB/DCBX update message from the firmware. @@ -160,6 +207,7 @@ void cxgb4_dcb_handle_fw_update(struct adapter *adap, struct port_info *pi = netdev_priv(dev); struct port_dcb_info *dcb = &pi->dcb; int dcb_type = pcmd->u.dcb.pgid.type; + int dcb_running_version; /* Handle Firmware DCB Control messages separately since they drive * our state machine. @@ -171,6 +219,25 @@ void cxgb4_dcb_handle_fw_update(struct adapter *adap, ? CXGB4_DCB_STATE_FW_ALLSYNCED : CXGB4_DCB_STATE_FW_INCOMPLETE); + if (dcb->dcb_version != FW_PORT_DCB_VER_UNKNOWN) { + dcb_running_version = FW_PORT_CMD_DCB_VERSION_GET( + be16_to_cpu( + pcmd->u.dcb.control.dcb_version_to_app_state)); + if (dcb_running_version == FW_PORT_DCB_VER_CEE1D01 || + dcb_running_version == FW_PORT_DCB_VER_IEEE) { + dcb->dcb_version = dcb_running_version; + dev_warn(adap->pdev_dev, "Interface %s is running %s\n", + dev->name, + dcb_ver_array[dcb->dcb_version]); + } else { + dev_warn(adap->pdev_dev, + "Something screwed up, requested firmware for %s, but firmware returned %s instead\n", + dcb_ver_array[dcb->dcb_version], + dcb_ver_array[dcb_running_version]); + dcb->dcb_version = FW_PORT_DCB_VER_UNKNOWN; + } + } + cxgb4_dcb_state_fsm(dev, input); return; } @@ -199,7 +266,11 @@ void cxgb4_dcb_handle_fw_update(struct adapter *adap, dcb->pg_num_tcs_supported = fwdcb->pgrate.num_tcs_supported; memcpy(dcb->pgrate, &fwdcb->pgrate.pgrate, sizeof(dcb->pgrate)); + memcpy(dcb->tsa, &fwdcb->pgrate.tsa, + sizeof(dcb->tsa)); dcb->msgs |= CXGB4_DCB_FW_PGRATE; + if (dcb->msgs & CXGB4_DCB_FW_PGID) + IEEE_FAUX_SYNC(dev, dcb); break; case FW_PORT_DCB_TYPE_PRIORATE: @@ -212,6 +283,7 @@ void cxgb4_dcb_handle_fw_update(struct adapter *adap, dcb->pfcen = fwdcb->pfc.pfcen; dcb->pfc_num_tcs_supported = fwdcb->pfc.max_pfc_tcs; dcb->msgs |= CXGB4_DCB_FW_PFC; + IEEE_FAUX_SYNC(dev, dcb); break; case FW_PORT_DCB_TYPE_APP_ID: { @@ -220,13 +292,25 @@ void cxgb4_dcb_handle_fw_update(struct adapter *adap, struct app_priority *ap = &dcb->app_priority[idx]; struct dcb_app app = { - .selector = fwap->sel_field, .protocol = be16_to_cpu(fwap->protocolid), - .priority = fwap->user_prio_map, }; int err; - err = dcb_setapp(dev, &app); + /* Convert from firmware format to relevant format + * when using app selector + */ + if (dcb->dcb_version == FW_PORT_DCB_VER_IEEE) { + app.selector = (fwap->sel_field + 1); + app.priority = ffs(fwap->user_prio_map) - 1; + err = dcb_ieee_setapp(dev, &app); + IEEE_FAUX_SYNC(dev, dcb); + } else { + /* Default is CEE */ + app.selector = !!(fwap->sel_field); + app.priority = fwap->user_prio_map; + err = dcb_setapp(dev, &app); + } + if (err) dev_err(adap->pdev_dev, "Failed DCB Set Application Priority: sel=%d, prot=%d, prio=%d, err=%d\n", @@ -408,9 +492,10 @@ static void cxgb4_getpgbwgcfg(struct net_device *dev, int pgid, u8 *bw_per, if (err != FW_PORT_DCB_CFG_SUCCESS) { dev_err(adap->pdev_dev, "DCB read PGRATE failed with %d\n", -err); - } else { - *bw_per = pcmd.u.dcb.pgrate.pgrate[pgid]; + return; } + + *bw_per = pcmd.u.dcb.pgrate.pgrate[pgid]; } static void cxgb4_getpgbwgcfg_tx(struct net_device *dev, int pgid, u8 *bw_per) @@ -637,7 +722,8 @@ static int __cxgb4_getapp(struct net_device *dev, u8 app_idtype, u16 app_id, return err; } if (be16_to_cpu(pcmd.u.dcb.app_priority.protocolid) == app_id) - return pcmd.u.dcb.app_priority.user_prio_map; + if (pcmd.u.dcb.app_priority.sel_field == app_idtype) + return pcmd.u.dcb.app_priority.user_prio_map; /* exhausted app list */ if (!pcmd.u.dcb.app_priority.protocolid) @@ -657,8 +743,8 @@ static int cxgb4_getapp(struct net_device *dev, u8 app_idtype, u16 app_id) /* Write a new Application User Priority Map for the specified Application ID */ -static int cxgb4_setapp(struct net_device *dev, u8 app_idtype, u16 app_id, - u8 app_prio) +static int __cxgb4_setapp(struct net_device *dev, u8 app_idtype, u16 app_id, + u8 app_prio) { struct fw_port_cmd pcmd; struct port_info *pi = netdev2pinfo(dev); @@ -673,10 +759,6 @@ static int cxgb4_setapp(struct net_device *dev, u8 app_idtype, u16 app_id, if (!netif_carrier_ok(dev)) return -ENOLINK; - if (app_idtype != DCB_APP_IDTYPE_ETHTYPE && - app_idtype != DCB_APP_IDTYPE_PORTNUM) - return -EINVAL; - for (i = 0; i < CXGB4_MAX_DCBX_APP_SUPPORTED; i++) { INIT_PORT_DCB_READ_LOCAL_CMD(pcmd, pi->port_id); pcmd.u.dcb.app_priority.type = FW_PORT_DCB_TYPE_APP_ID; @@ -725,6 +807,30 @@ static int cxgb4_setapp(struct net_device *dev, u8 app_idtype, u16 app_id, return 0; } +/* Priority for CEE inside dcb_app is bitmask, with 0 being an invalid value */ +static int cxgb4_setapp(struct net_device *dev, u8 app_idtype, u16 app_id, + u8 app_prio) +{ + int ret; + struct dcb_app app = { + .selector = app_idtype, + .protocol = app_id, + .priority = app_prio, + }; + + if (app_idtype != DCB_APP_IDTYPE_ETHTYPE && + app_idtype != DCB_APP_IDTYPE_PORTNUM) + return -EINVAL; + + /* Convert app_idtype to a format that firmware understands */ + ret = __cxgb4_setapp(dev, app_idtype == DCB_APP_IDTYPE_ETHTYPE ? + app_idtype : 3, app_id, app_prio); + if (ret) + return ret; + + return dcb_setapp(dev, &app); +} + /* Return whether IEEE Data Center Bridging has been negotiated. */ static inline int cxgb4_ieee_negotiation_complete(struct net_device *dev) @@ -738,6 +844,7 @@ static inline int cxgb4_ieee_negotiation_complete(struct net_device *dev) /* Fill in the Application User Priority Map associated with the * specified Application. + * Priority for IEEE dcb_app is an integer, with 0 being a valid value */ static int cxgb4_ieee_getapp(struct net_device *dev, struct dcb_app *app) { @@ -748,28 +855,39 @@ static int cxgb4_ieee_getapp(struct net_device *dev, struct dcb_app *app) if (!(app->selector && app->protocol)) return -EINVAL; - prio = dcb_getapp(dev, app); - if (prio == 0) { - /* If app doesn't exist in dcb_app table, try firmware - * directly. - */ - prio = __cxgb4_getapp(dev, app->selector, app->protocol, 0); - } + /* Try querying firmware first, use firmware format */ + prio = __cxgb4_getapp(dev, app->selector - 1, app->protocol, 0); + + if (prio < 0) + prio = dcb_ieee_getapp_mask(dev, app); - app->priority = prio; + app->priority = ffs(prio) - 1; return 0; } -/* Write a new Application User Priority Map for the specified App id. */ +/* Write a new Application User Priority Map for the specified Application ID. + * Priority for IEEE dcb_app is an integer, with 0 being a valid value + */ static int cxgb4_ieee_setapp(struct net_device *dev, struct dcb_app *app) { + int ret; + if (!cxgb4_ieee_negotiation_complete(dev)) return -EINVAL; - if (!(app->selector && app->protocol && app->priority)) + if (!(app->selector && app->protocol)) + return -EINVAL; + + if (!(app->selector > IEEE_8021QAZ_APP_SEL_ETHERTYPE && + app->selector < IEEE_8021QAZ_APP_SEL_ANY)) return -EINVAL; - cxgb4_setapp(dev, app->selector, app->protocol, app->priority); - return dcb_setapp(dev, app); + /* change selector to a format that firmware understands */ + ret = __cxgb4_setapp(dev, app->selector - 1, app->protocol, + (1 << app->priority)); + if (ret) + return ret; + + return dcb_ieee_setapp(dev, app); } /* Return our DCBX parameters. @@ -794,8 +912,9 @@ static u8 cxgb4_setdcbx(struct net_device *dev, u8 dcb_request) != dcb_request) return 1; - /* Can't set DCBX capabilities if DCBX isn't enabled. */ - if (!pi->dcb.state) + /* Can't enable DCB if we haven't successfully negotiated it. + */ + if (pi->dcb.state != CXGB4_DCB_STATE_FW_ALLSYNCED) return 1; /* There's currently no mechanism to allow for the firmware DCBX @@ -874,7 +993,8 @@ static int cxgb4_getpeerapp_tbl(struct net_device *dev, struct dcb_app *table) table[i].selector = pcmd.u.dcb.app_priority.sel_field; table[i].protocol = be16_to_cpu(pcmd.u.dcb.app_priority.protocolid); - table[i].priority = pcmd.u.dcb.app_priority.user_prio_map; + table[i].priority = + ffs(pcmd.u.dcb.app_priority.user_prio_map) - 1; } return err; } diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_dcb.h b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_dcb.h index 1ec1d834e257..2a6aa88984f4 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_dcb.h +++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_dcb.h @@ -63,6 +63,13 @@ #define INIT_PORT_DCB_WRITE_CMD(__pcmd, __port) \ INIT_PORT_DCB_CMD(__pcmd, __port, EXEC, FW_PORT_ACTION_L2_DCB_CFG) +#define IEEE_FAUX_SYNC(__dev, __dcb) \ + do { \ + if ((__dcb)->dcb_version == FW_PORT_DCB_VER_IEEE) \ + cxgb4_dcb_state_fsm((__dev), \ + CXGB4_DCB_STATE_FW_ALLSYNCED); \ + } while (0) + /* States we can be in for a port's Data Center Bridging. */ enum cxgb4_dcb_state { @@ -108,11 +115,13 @@ struct port_dcb_info { * Native Endian format). */ u32 pgid; /* Priority Group[0..7] */ + u8 dcb_version; /* Running DCBx version */ u8 pfcen; /* Priority Flow Control[0..7] */ u8 pg_num_tcs_supported; /* max PG Traffic Classes */ u8 pfc_num_tcs_supported; /* max PFC Traffic Classes */ u8 pgrate[8]; /* Priority Group Rate[0..7] */ u8 priorate[8]; /* Priority Rate[0..7] */ + u8 tsa[8]; /* TSA Algorithm[0..7] */ struct app_priority { /* Application Information */ u8 user_prio_map; /* Priority Map bitfield */ u8 sel_field; /* Protocol ID interpretation */ @@ -121,6 +130,7 @@ struct port_dcb_info { }; void cxgb4_dcb_state_init(struct net_device *); +void cxgb4_dcb_version_init(struct net_device *); void cxgb4_dcb_state_fsm(struct net_device *, enum cxgb4_dcb_state_input); void cxgb4_dcb_handle_fw_update(struct adapter *, const struct fw_port_cmd *); void cxgb4_dcb_set_caps(struct adapter *, const struct fw_port_cmd *); diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c index 1a162d21d8ac..1afee70ce856 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c +++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c @@ -212,7 +212,7 @@ struct filter_entry { #define CH_DEVICE(devid, data) { PCI_VDEVICE(CHELSIO, devid), (data) } -static DEFINE_PCI_DEVICE_TABLE(cxgb4_pci_tbl) = { +static const struct pci_device_id cxgb4_pci_tbl[] = { CH_DEVICE(0xa000, 0), /* PE10K */ CH_DEVICE(0x4001, -1), CH_DEVICE(0x4002, -1), @@ -522,6 +522,8 @@ static void dcb_tx_queue_prio_enable(struct net_device *dev, int enable) dev_err(adap->pdev_dev, "Can't %s DCB Priority on port %d, TX Queue %d: err=%d\n", enable ? "set" : "unset", pi->port_id, i, -err); + else + txq->dcb_prio = value; } } #endif /* CONFIG_CHELSIO_T4_DCB */ diff --git a/drivers/net/ethernet/chelsio/cxgb4/t4fw_api.h b/drivers/net/ethernet/chelsio/cxgb4/t4fw_api.h index ff709e3b3e7e..0549170d7e2e 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/t4fw_api.h +++ b/drivers/net/ethernet/chelsio/cxgb4/t4fw_api.h @@ -1629,6 +1629,14 @@ enum fw_port_l2cfg_ctlbf { FW_PORT_L2_CTLBF_TXIPG = 0x20 }; +enum fw_port_dcb_versions { + FW_PORT_DCB_VER_UNKNOWN, + FW_PORT_DCB_VER_CEE1D0, + FW_PORT_DCB_VER_CEE1D01, + FW_PORT_DCB_VER_IEEE, + FW_PORT_DCB_VER_AUTO = 7 +}; + enum fw_port_dcb_cfg { FW_PORT_DCB_CFG_PG = 0x01, FW_PORT_DCB_CFG_PFC = 0x02, @@ -1709,6 +1717,7 @@ struct fw_port_cmd { __u8 r10_lo[5]; __u8 num_tcs_supported; __u8 pgrate[8]; + __u8 tsa[8]; } pgrate; struct fw_port_dcb_priorate { __u8 type; @@ -1735,7 +1744,7 @@ struct fw_port_cmd { struct fw_port_dcb_control { __u8 type; __u8 all_syncd_pkd; - __be16 pfc_state_to_app_state; + __be16 dcb_version_to_app_state; __be32 r11; __be64 r12; } control; @@ -1778,6 +1787,7 @@ struct fw_port_cmd { #define FW_PORT_CMD_DCBXDIS (1U << 7) #define FW_PORT_CMD_APPLY (1U << 7) #define FW_PORT_CMD_ALL_SYNCD (1U << 7) +#define FW_PORT_CMD_DCB_VERSION_GET(x) (((x) >> 8) & 0xf) #define FW_PORT_CMD_PPPEN(x) ((x) << 31) #define FW_PORT_CMD_TPSRC(x) ((x) << 28) diff --git a/drivers/net/ethernet/chelsio/cxgb4vf/cxgb4vf_main.c b/drivers/net/ethernet/chelsio/cxgb4vf/cxgb4vf_main.c index d8d28e82ade1..2102a4c91737 100644 --- a/drivers/net/ethernet/chelsio/cxgb4vf/cxgb4vf_main.c +++ b/drivers/net/ethernet/chelsio/cxgb4vf/cxgb4vf_main.c @@ -2910,7 +2910,7 @@ static void cxgb4vf_pci_shutdown(struct pci_dev *pdev) #define CH_DEVICE(devid, idx) \ { PCI_VENDOR_ID_CHELSIO, devid, PCI_ANY_ID, PCI_ANY_ID, 0, 0, idx } -static DEFINE_PCI_DEVICE_TABLE(cxgb4vf_pci_tbl) = { +static const struct pci_device_id cxgb4vf_pci_tbl[] = { CH_DEVICE(0xb000, 0), /* PE10K FPGA */ CH_DEVICE(0x4800, 0), /* T440-dbg */ CH_DEVICE(0x4801, 0), /* T420-cr */ diff --git a/drivers/net/ethernet/cisco/enic/enic_main.c b/drivers/net/ethernet/cisco/enic/enic_main.c index 9348febc0743..c8832bc1c5f7 100644 --- a/drivers/net/ethernet/cisco/enic/enic_main.c +++ b/drivers/net/ethernet/cisco/enic/enic_main.c @@ -67,7 +67,7 @@ #define PCI_DEVICE_ID_CISCO_VIC_ENET_VF 0x0071 /* enet SRIOV VF */ /* Supported devices */ -static DEFINE_PCI_DEVICE_TABLE(enic_id_table) = { +static const struct pci_device_id enic_id_table[] = { { PCI_VDEVICE(CISCO, PCI_DEVICE_ID_CISCO_VIC_ENET) }, { PCI_VDEVICE(CISCO, PCI_DEVICE_ID_CISCO_VIC_ENET_DYN) }, { PCI_VDEVICE(CISCO, PCI_DEVICE_ID_CISCO_VIC_ENET_VF) }, diff --git a/drivers/net/ethernet/davicom/dm9000.c b/drivers/net/ethernet/davicom/dm9000.c index 23084fb2090e..9b33057a9477 100644 --- a/drivers/net/ethernet/davicom/dm9000.c +++ b/drivers/net/ethernet/davicom/dm9000.c @@ -93,7 +93,7 @@ enum dm9000_type { }; /* Structure/enum declaration ------------------------------- */ -typedef struct board_info { +struct board_info { void __iomem *io_addr; /* Register I/O base address */ void __iomem *io_data; /* Data I/O address */ @@ -141,7 +141,7 @@ typedef struct board_info { u32 wake_state; int ip_summed; -} board_info_t; +}; /* debug code */ @@ -151,7 +151,7 @@ typedef struct board_info { } \ } while (0) -static inline board_info_t *to_dm9000_board(struct net_device *dev) +static inline struct board_info *to_dm9000_board(struct net_device *dev) { return netdev_priv(dev); } @@ -162,7 +162,7 @@ static inline board_info_t *to_dm9000_board(struct net_device *dev) * Read a byte from I/O port */ static u8 -ior(board_info_t *db, int reg) +ior(struct board_info *db, int reg) { writeb(reg, db->io_addr); return readb(db->io_data); @@ -173,14 +173,14 @@ ior(board_info_t *db, int reg) */ static void -iow(board_info_t *db, int reg, int value) +iow(struct board_info *db, int reg, int value) { writeb(reg, db->io_addr); writeb(value, db->io_data); } static void -dm9000_reset(board_info_t *db) +dm9000_reset(struct board_info *db) { dev_dbg(db->dev, "resetting device\n"); @@ -272,7 +272,7 @@ static void dm9000_dumpblk_32bit(void __iomem *reg, int count) * Sleep, either by using msleep() or if we are suspending, then * use mdelay() to sleep. */ -static void dm9000_msleep(board_info_t *db, unsigned int ms) +static void dm9000_msleep(struct board_info *db, unsigned int ms) { if (db->in_suspend || db->in_timeout) mdelay(ms); @@ -284,7 +284,7 @@ static void dm9000_msleep(board_info_t *db, unsigned int ms) static int dm9000_phy_read(struct net_device *dev, int phy_reg_unused, int reg) { - board_info_t *db = netdev_priv(dev); + struct board_info *db = netdev_priv(dev); unsigned long flags; unsigned int reg_save; int ret; @@ -330,7 +330,7 @@ static void dm9000_phy_write(struct net_device *dev, int phyaddr_unused, int reg, int value) { - board_info_t *db = netdev_priv(dev); + struct board_info *db = netdev_priv(dev); unsigned long flags; unsigned long reg_save; @@ -408,7 +408,7 @@ static void dm9000_set_io(struct board_info *db, int byte_width) } } -static void dm9000_schedule_poll(board_info_t *db) +static void dm9000_schedule_poll(struct board_info *db) { if (db->type == TYPE_DM9000E) schedule_delayed_work(&db->phy_poll, HZ * 2); @@ -416,7 +416,7 @@ static void dm9000_schedule_poll(board_info_t *db) static int dm9000_ioctl(struct net_device *dev, struct ifreq *req, int cmd) { - board_info_t *dm = to_dm9000_board(dev); + struct board_info *dm = to_dm9000_board(dev); if (!netif_running(dev)) return -EINVAL; @@ -425,7 +425,7 @@ static int dm9000_ioctl(struct net_device *dev, struct ifreq *req, int cmd) } static unsigned int -dm9000_read_locked(board_info_t *db, int reg) +dm9000_read_locked(struct board_info *db, int reg) { unsigned long flags; unsigned int ret; @@ -437,7 +437,7 @@ dm9000_read_locked(board_info_t *db, int reg) return ret; } -static int dm9000_wait_eeprom(board_info_t *db) +static int dm9000_wait_eeprom(struct board_info *db) { unsigned int status; int timeout = 8; /* wait max 8msec */ @@ -474,7 +474,7 @@ static int dm9000_wait_eeprom(board_info_t *db) * Read a word data from EEPROM */ static void -dm9000_read_eeprom(board_info_t *db, int offset, u8 *to) +dm9000_read_eeprom(struct board_info *db, int offset, u8 *to) { unsigned long flags; @@ -514,7 +514,7 @@ dm9000_read_eeprom(board_info_t *db, int offset, u8 *to) * Write a word data to SROM */ static void -dm9000_write_eeprom(board_info_t *db, int offset, u8 *data) +dm9000_write_eeprom(struct board_info *db, int offset, u8 *data) { unsigned long flags; @@ -546,7 +546,7 @@ dm9000_write_eeprom(board_info_t *db, int offset, u8 *data) static void dm9000_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info) { - board_info_t *dm = to_dm9000_board(dev); + struct board_info *dm = to_dm9000_board(dev); strlcpy(info->driver, CARDNAME, sizeof(info->driver)); strlcpy(info->version, DRV_VERSION, sizeof(info->version)); @@ -556,21 +556,21 @@ static void dm9000_get_drvinfo(struct net_device *dev, static u32 dm9000_get_msglevel(struct net_device *dev) { - board_info_t *dm = to_dm9000_board(dev); + struct board_info *dm = to_dm9000_board(dev); return dm->msg_enable; } static void dm9000_set_msglevel(struct net_device *dev, u32 value) { - board_info_t *dm = to_dm9000_board(dev); + struct board_info *dm = to_dm9000_board(dev); dm->msg_enable = value; } static int dm9000_get_settings(struct net_device *dev, struct ethtool_cmd *cmd) { - board_info_t *dm = to_dm9000_board(dev); + struct board_info *dm = to_dm9000_board(dev); mii_ethtool_gset(&dm->mii, cmd); return 0; @@ -578,21 +578,21 @@ static int dm9000_get_settings(struct net_device *dev, struct ethtool_cmd *cmd) static int dm9000_set_settings(struct net_device *dev, struct ethtool_cmd *cmd) { - board_info_t *dm = to_dm9000_board(dev); + struct board_info *dm = to_dm9000_board(dev); return mii_ethtool_sset(&dm->mii, cmd); } static int dm9000_nway_reset(struct net_device *dev) { - board_info_t *dm = to_dm9000_board(dev); + struct board_info *dm = to_dm9000_board(dev); return mii_nway_restart(&dm->mii); } static int dm9000_set_features(struct net_device *dev, netdev_features_t features) { - board_info_t *dm = to_dm9000_board(dev); + struct board_info *dm = to_dm9000_board(dev); netdev_features_t changed = dev->features ^ features; unsigned long flags; @@ -608,7 +608,7 @@ static int dm9000_set_features(struct net_device *dev, static u32 dm9000_get_link(struct net_device *dev) { - board_info_t *dm = to_dm9000_board(dev); + struct board_info *dm = to_dm9000_board(dev); u32 ret; if (dm->flags & DM9000_PLATF_EXT_PHY) @@ -629,7 +629,7 @@ static int dm9000_get_eeprom_len(struct net_device *dev) static int dm9000_get_eeprom(struct net_device *dev, struct ethtool_eeprom *ee, u8 *data) { - board_info_t *dm = to_dm9000_board(dev); + struct board_info *dm = to_dm9000_board(dev); int offset = ee->offset; int len = ee->len; int i; @@ -653,7 +653,7 @@ static int dm9000_get_eeprom(struct net_device *dev, static int dm9000_set_eeprom(struct net_device *dev, struct ethtool_eeprom *ee, u8 *data) { - board_info_t *dm = to_dm9000_board(dev); + struct board_info *dm = to_dm9000_board(dev); int offset = ee->offset; int len = ee->len; int done; @@ -691,7 +691,7 @@ static int dm9000_set_eeprom(struct net_device *dev, static void dm9000_get_wol(struct net_device *dev, struct ethtool_wolinfo *w) { - board_info_t *dm = to_dm9000_board(dev); + struct board_info *dm = to_dm9000_board(dev); memset(w, 0, sizeof(struct ethtool_wolinfo)); @@ -702,7 +702,7 @@ static void dm9000_get_wol(struct net_device *dev, struct ethtool_wolinfo *w) static int dm9000_set_wol(struct net_device *dev, struct ethtool_wolinfo *w) { - board_info_t *dm = to_dm9000_board(dev); + struct board_info *dm = to_dm9000_board(dev); unsigned long flags; u32 opts = w->wolopts; u32 wcr = 0; @@ -752,7 +752,7 @@ static const struct ethtool_ops dm9000_ethtool_ops = { .set_eeprom = dm9000_set_eeprom, }; -static void dm9000_show_carrier(board_info_t *db, +static void dm9000_show_carrier(struct board_info *db, unsigned carrier, unsigned nsr) { int lpa; @@ -775,7 +775,7 @@ static void dm9000_poll_work(struct work_struct *w) { struct delayed_work *dw = to_delayed_work(w); - board_info_t *db = container_of(dw, board_info_t, phy_poll); + struct board_info *db = container_of(dw, struct board_info, phy_poll); struct net_device *ndev = db->ndev; if (db->flags & DM9000_PLATF_SIMPLE_PHY && @@ -843,7 +843,7 @@ static unsigned char dm9000_type_to_char(enum dm9000_type type) static void dm9000_hash_table_unlocked(struct net_device *dev) { - board_info_t *db = netdev_priv(dev); + struct board_info *db = netdev_priv(dev); struct netdev_hw_addr *ha; int i, oft; u32 hash_val; @@ -879,7 +879,7 @@ dm9000_hash_table_unlocked(struct net_device *dev) static void dm9000_hash_table(struct net_device *dev) { - board_info_t *db = netdev_priv(dev); + struct board_info *db = netdev_priv(dev); unsigned long flags; spin_lock_irqsave(&db->lock, flags); @@ -888,13 +888,13 @@ dm9000_hash_table(struct net_device *dev) } static void -dm9000_mask_interrupts(board_info_t *db) +dm9000_mask_interrupts(struct board_info *db) { iow(db, DM9000_IMR, IMR_PAR); } static void -dm9000_unmask_interrupts(board_info_t *db) +dm9000_unmask_interrupts(struct board_info *db) { iow(db, DM9000_IMR, db->imr_all); } @@ -905,7 +905,7 @@ dm9000_unmask_interrupts(board_info_t *db) static void dm9000_init_dm9000(struct net_device *dev) { - board_info_t *db = netdev_priv(dev); + struct board_info *db = netdev_priv(dev); unsigned int imr; unsigned int ncr; @@ -970,7 +970,7 @@ dm9000_init_dm9000(struct net_device *dev) /* Our watchdog timed out. Called by the networking layer */ static void dm9000_timeout(struct net_device *dev) { - board_info_t *db = netdev_priv(dev); + struct board_info *db = netdev_priv(dev); u8 reg_save; unsigned long flags; @@ -996,7 +996,7 @@ static void dm9000_send_packet(struct net_device *dev, int ip_summed, u16 pkt_len) { - board_info_t *dm = to_dm9000_board(dev); + struct board_info *dm = to_dm9000_board(dev); /* The DM9000 is not smart enough to leave fragmented packets alone. */ if (dm->ip_summed != ip_summed) { @@ -1023,7 +1023,7 @@ static int dm9000_start_xmit(struct sk_buff *skb, struct net_device *dev) { unsigned long flags; - board_info_t *db = netdev_priv(dev); + struct board_info *db = netdev_priv(dev); dm9000_dbg(db, 3, "%s:\n", __func__); @@ -1062,7 +1062,7 @@ dm9000_start_xmit(struct sk_buff *skb, struct net_device *dev) * receive the packet to upper layer, free the transmitted packet */ -static void dm9000_tx_done(struct net_device *dev, board_info_t *db) +static void dm9000_tx_done(struct net_device *dev, struct board_info *db) { int tx_status = ior(db, DM9000_NSR); /* Got TX status */ @@ -1094,7 +1094,7 @@ struct dm9000_rxhdr { static void dm9000_rx(struct net_device *dev) { - board_info_t *db = netdev_priv(dev); + struct board_info *db = netdev_priv(dev); struct dm9000_rxhdr rxhdr; struct sk_buff *skb; u8 rxbyte, *rdptr; @@ -1196,7 +1196,7 @@ dm9000_rx(struct net_device *dev) static irqreturn_t dm9000_interrupt(int irq, void *dev_id) { struct net_device *dev = dev_id; - board_info_t *db = netdev_priv(dev); + struct board_info *db = netdev_priv(dev); int int_status; unsigned long flags; u8 reg_save; @@ -1246,7 +1246,7 @@ static irqreturn_t dm9000_interrupt(int irq, void *dev_id) static irqreturn_t dm9000_wol_interrupt(int irq, void *dev_id) { struct net_device *dev = dev_id; - board_info_t *db = netdev_priv(dev); + struct board_info *db = netdev_priv(dev); unsigned long flags; unsigned nsr, wcr; @@ -1296,7 +1296,7 @@ static void dm9000_poll_controller(struct net_device *dev) static int dm9000_open(struct net_device *dev) { - board_info_t *db = netdev_priv(dev); + struct board_info *db = netdev_priv(dev); unsigned long irqflags = db->irq_res->flags & IRQF_TRIGGER_MASK; if (netif_msg_ifup(db)) @@ -1342,7 +1342,7 @@ dm9000_open(struct net_device *dev) static void dm9000_shutdown(struct net_device *dev) { - board_info_t *db = netdev_priv(dev); + struct board_info *db = netdev_priv(dev); /* RESET device */ dm9000_phy_write(dev, 0, MII_BMCR, BMCR_RESET); /* PHY RESET */ @@ -1358,7 +1358,7 @@ dm9000_shutdown(struct net_device *dev) static int dm9000_stop(struct net_device *ndev) { - board_info_t *db = netdev_priv(ndev); + struct board_info *db = netdev_priv(ndev); if (netif_msg_ifdown(db)) dev_dbg(db->dev, "shutting down %s\n", ndev->name); @@ -1681,7 +1681,7 @@ dm9000_drv_suspend(struct device *dev) { struct platform_device *pdev = to_platform_device(dev); struct net_device *ndev = platform_get_drvdata(pdev); - board_info_t *db; + struct board_info *db; if (ndev) { db = netdev_priv(ndev); @@ -1704,7 +1704,7 @@ dm9000_drv_resume(struct device *dev) { struct platform_device *pdev = to_platform_device(dev); struct net_device *ndev = platform_get_drvdata(pdev); - board_info_t *db = netdev_priv(ndev); + struct board_info *db = netdev_priv(ndev); if (ndev) { if (netif_running(ndev)) { diff --git a/drivers/net/ethernet/dec/tulip/de2104x.c b/drivers/net/ethernet/dec/tulip/de2104x.c index 38148b0e3a95..a02ecc4f9002 100644 --- a/drivers/net/ethernet/dec/tulip/de2104x.c +++ b/drivers/net/ethernet/dec/tulip/de2104x.c @@ -340,7 +340,7 @@ static void de21041_media_timer (unsigned long data); static unsigned int de_ok_to_advertise (struct de_private *de, u32 new_media); -static DEFINE_PCI_DEVICE_TABLE(de_pci_tbl) = { +static const struct pci_device_id de_pci_tbl[] = { { PCI_VENDOR_ID_DEC, PCI_DEVICE_ID_DEC_TULIP, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, { PCI_VENDOR_ID_DEC, PCI_DEVICE_ID_DEC_TULIP_PLUS, diff --git a/drivers/net/ethernet/dec/tulip/de4x5.c b/drivers/net/ethernet/dec/tulip/de4x5.c index 7091fa6ed096..cf8b6ff21613 100644 --- a/drivers/net/ethernet/dec/tulip/de4x5.c +++ b/drivers/net/ethernet/dec/tulip/de4x5.c @@ -2328,7 +2328,7 @@ static void de4x5_pci_remove(struct pci_dev *pdev) pci_disable_device (pdev); } -static DEFINE_PCI_DEVICE_TABLE(de4x5_pci_tbl) = { +static const struct pci_device_id de4x5_pci_tbl[] = { { PCI_VENDOR_ID_DEC, PCI_DEVICE_ID_DEC_TULIP, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, { PCI_VENDOR_ID_DEC, PCI_DEVICE_ID_DEC_TULIP_PLUS, diff --git a/drivers/net/ethernet/dec/tulip/dmfe.c b/drivers/net/ethernet/dec/tulip/dmfe.c index 53f0c618045c..322213d901d5 100644 --- a/drivers/net/ethernet/dec/tulip/dmfe.c +++ b/drivers/net/ethernet/dec/tulip/dmfe.c @@ -2096,7 +2096,7 @@ static void dmfe_HPNA_remote_cmd_chk(struct dmfe_board_info * db) -static DEFINE_PCI_DEVICE_TABLE(dmfe_pci_tbl) = { +static const struct pci_device_id dmfe_pci_tbl[] = { { 0x1282, 0x9132, PCI_ANY_ID, PCI_ANY_ID, 0, 0, PCI_DM9132_ID }, { 0x1282, 0x9102, PCI_ANY_ID, PCI_ANY_ID, 0, 0, PCI_DM9102_ID }, { 0x1282, 0x9100, PCI_ANY_ID, PCI_ANY_ID, 0, 0, PCI_DM9100_ID }, diff --git a/drivers/net/ethernet/dec/tulip/tulip_core.c b/drivers/net/ethernet/dec/tulip/tulip_core.c index 861660841ce2..3b42556f7f8d 100644 --- a/drivers/net/ethernet/dec/tulip/tulip_core.c +++ b/drivers/net/ethernet/dec/tulip/tulip_core.c @@ -207,7 +207,7 @@ struct tulip_chip_table tulip_tbl[] = { }; -static DEFINE_PCI_DEVICE_TABLE(tulip_pci_tbl) = { +static const struct pci_device_id tulip_pci_tbl[] = { { 0x1011, 0x0009, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DC21140 }, { 0x1011, 0x0019, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DC21143 }, { 0x11AD, 0x0002, PCI_ANY_ID, PCI_ANY_ID, 0, 0, LC82C168 }, @@ -1294,7 +1294,7 @@ static const struct net_device_ops tulip_netdev_ops = { #endif }; -DEFINE_PCI_DEVICE_TABLE(early_486_chipsets) = { +const struct pci_device_id early_486_chipsets[] = { { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82424) }, { PCI_DEVICE(PCI_VENDOR_ID_SI, PCI_DEVICE_ID_SI_496) }, { }, diff --git a/drivers/net/ethernet/dec/tulip/uli526x.c b/drivers/net/ethernet/dec/tulip/uli526x.c index 80afec335a11..4061f9b22812 100644 --- a/drivers/net/ethernet/dec/tulip/uli526x.c +++ b/drivers/net/ethernet/dec/tulip/uli526x.c @@ -1768,7 +1768,7 @@ static u16 phy_read_1bit(struct uli526x_board_info *db) } -static DEFINE_PCI_DEVICE_TABLE(uli526x_pci_tbl) = { +static const struct pci_device_id uli526x_pci_tbl[] = { { 0x10B9, 0x5261, PCI_ANY_ID, PCI_ANY_ID, 0, 0, PCI_ULI5261_ID }, { 0x10B9, 0x5263, PCI_ANY_ID, PCI_ANY_ID, 0, 0, PCI_ULI5263_ID }, { 0, } diff --git a/drivers/net/ethernet/dec/tulip/winbond-840.c b/drivers/net/ethernet/dec/tulip/winbond-840.c index 62fe512bb216..6aa887e0e1cb 100644 --- a/drivers/net/ethernet/dec/tulip/winbond-840.c +++ b/drivers/net/ethernet/dec/tulip/winbond-840.c @@ -219,7 +219,7 @@ enum chip_capability_flags { CanHaveMII=1, HasBrokenTx=2, AlwaysFDX=4, FDXOnNoMII=8, }; -static DEFINE_PCI_DEVICE_TABLE(w840_pci_tbl) = { +static const struct pci_device_id w840_pci_tbl[] = { { 0x1050, 0x0840, PCI_ANY_ID, 0x8153, 0, 0, 0 }, { 0x1050, 0x0840, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 1 }, { 0x11f6, 0x2011, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 2 }, diff --git a/drivers/net/ethernet/dec/tulip/xircom_cb.c b/drivers/net/ethernet/dec/tulip/xircom_cb.c index 6204cdfe43a6..0e721cedfa67 100644 --- a/drivers/net/ethernet/dec/tulip/xircom_cb.c +++ b/drivers/net/ethernet/dec/tulip/xircom_cb.c @@ -137,7 +137,7 @@ static int link_status(struct xircom_private *card); -static DEFINE_PCI_DEVICE_TABLE(xircom_pci_table) = { +static const struct pci_device_id xircom_pci_table[] = { { PCI_VDEVICE(XIRCOM, 0x0003), }, {0,}, }; diff --git a/drivers/net/ethernet/dlink/dl2k.h b/drivers/net/ethernet/dlink/dl2k.h index 7d07a0f5320d..23c07b007069 100644 --- a/drivers/net/ethernet/dlink/dl2k.h +++ b/drivers/net/ethernet/dlink/dl2k.h @@ -408,7 +408,7 @@ struct netdev_private { driver_data Data private to the driver. */ -static DEFINE_PCI_DEVICE_TABLE(rio_pci_tbl) = { +static const struct pci_device_id rio_pci_tbl[] = { {0x1186, 0x4000, PCI_ANY_ID, PCI_ANY_ID, }, {0x13f0, 0x1021, PCI_ANY_ID, PCI_ANY_ID, }, { } diff --git a/drivers/net/ethernet/dlink/sundance.c b/drivers/net/ethernet/dlink/sundance.c index 433c1e185442..a28a2e583f0f 100644 --- a/drivers/net/ethernet/dlink/sundance.c +++ b/drivers/net/ethernet/dlink/sundance.c @@ -199,7 +199,7 @@ IVc. Errata #define USE_IO_OPS 1 #endif -static DEFINE_PCI_DEVICE_TABLE(sundance_pci_tbl) = { +static const struct pci_device_id sundance_pci_tbl[] = { { 0x1186, 0x1002, 0x1186, 0x1002, 0, 0, 0 }, { 0x1186, 0x1002, 0x1186, 0x1003, 0, 0, 1 }, { 0x1186, 0x1002, 0x1186, 0x1012, 0, 0, 2 }, diff --git a/drivers/net/ethernet/emulex/benet/be.h b/drivers/net/ethernet/emulex/benet/be.h index 811f1351db7a..43e08d0bc3d3 100644 --- a/drivers/net/ethernet/emulex/benet/be.h +++ b/drivers/net/ethernet/emulex/benet/be.h @@ -897,5 +897,6 @@ void be_roce_dev_remove(struct be_adapter *); */ void be_roce_dev_open(struct be_adapter *); void be_roce_dev_close(struct be_adapter *); +void be_roce_dev_shutdown(struct be_adapter *); #endif /* BE_H */ diff --git a/drivers/net/ethernet/emulex/benet/be_main.c b/drivers/net/ethernet/emulex/benet/be_main.c index db4ff14ff18f..93ff8ef39352 100644 --- a/drivers/net/ethernet/emulex/benet/be_main.c +++ b/drivers/net/ethernet/emulex/benet/be_main.c @@ -39,7 +39,7 @@ static ushort rx_frag_size = 2048; module_param(rx_frag_size, ushort, S_IRUGO); MODULE_PARM_DESC(rx_frag_size, "Size of a fragment that holds rcvd data."); -static DEFINE_PCI_DEVICE_TABLE(be_dev_ids) = { +static const struct pci_device_id be_dev_ids[] = { { PCI_DEVICE(BE_VENDOR_ID, BE_DEVICE_ID1) }, { PCI_DEVICE(BE_VENDOR_ID, BE_DEVICE_ID2) }, { PCI_DEVICE(BE_VENDOR_ID, OC_DEVICE_ID1) }, @@ -5014,6 +5014,7 @@ static void be_shutdown(struct pci_dev *pdev) if (!adapter) return; + be_roce_dev_shutdown(adapter); cancel_delayed_work_sync(&adapter->work); cancel_delayed_work_sync(&adapter->func_recovery_work); diff --git a/drivers/net/ethernet/emulex/benet/be_roce.c b/drivers/net/ethernet/emulex/benet/be_roce.c index 5bf16603a3e9..ef4672dc7357 100644 --- a/drivers/net/ethernet/emulex/benet/be_roce.c +++ b/drivers/net/ethernet/emulex/benet/be_roce.c @@ -120,7 +120,8 @@ static void _be_roce_dev_open(struct be_adapter *adapter) { if (ocrdma_drv && adapter->ocrdma_dev && ocrdma_drv->state_change_handler) - ocrdma_drv->state_change_handler(adapter->ocrdma_dev, 0); + ocrdma_drv->state_change_handler(adapter->ocrdma_dev, + BE_DEV_UP); } void be_roce_dev_open(struct be_adapter *adapter) @@ -136,7 +137,8 @@ static void _be_roce_dev_close(struct be_adapter *adapter) { if (ocrdma_drv && adapter->ocrdma_dev && ocrdma_drv->state_change_handler) - ocrdma_drv->state_change_handler(adapter->ocrdma_dev, 1); + ocrdma_drv->state_change_handler(adapter->ocrdma_dev, + BE_DEV_DOWN); } void be_roce_dev_close(struct be_adapter *adapter) @@ -148,6 +150,18 @@ void be_roce_dev_close(struct be_adapter *adapter) } } +void be_roce_dev_shutdown(struct be_adapter *adapter) +{ + if (be_roce_supported(adapter)) { + mutex_lock(&be_adapter_list_lock); + if (ocrdma_drv && adapter->ocrdma_dev && + ocrdma_drv->state_change_handler) + ocrdma_drv->state_change_handler(adapter->ocrdma_dev, + BE_DEV_SHUTDOWN); + mutex_unlock(&be_adapter_list_lock); + } +} + int be_roce_register_driver(struct ocrdma_driver *drv) { struct be_adapter *dev; diff --git a/drivers/net/ethernet/emulex/benet/be_roce.h b/drivers/net/ethernet/emulex/benet/be_roce.h index a3d9e96c18eb..e6f7eb1a7d87 100644 --- a/drivers/net/ethernet/emulex/benet/be_roce.h +++ b/drivers/net/ethernet/emulex/benet/be_roce.h @@ -62,7 +62,8 @@ struct ocrdma_driver { enum { BE_DEV_UP = 0, - BE_DEV_DOWN = 1 + BE_DEV_DOWN = 1, + BE_DEV_SHUTDOWN = 2 }; /* APIs for RoCE driver to register callback handlers, diff --git a/drivers/net/ethernet/fealnx.c b/drivers/net/ethernet/fealnx.c index 4b22a9579f85..b1b9ebafb354 100644 --- a/drivers/net/ethernet/fealnx.c +++ b/drivers/net/ethernet/fealnx.c @@ -1936,7 +1936,7 @@ static int netdev_close(struct net_device *dev) return 0; } -static DEFINE_PCI_DEVICE_TABLE(fealnx_pci_tbl) = { +static const struct pci_device_id fealnx_pci_tbl[] = { {0x1516, 0x0800, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, {0x1516, 0x0803, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 1}, {0x1516, 0x0891, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 2}, diff --git a/drivers/net/ethernet/freescale/fec.h b/drivers/net/ethernet/freescale/fec.h index bd53caf1c1eb..9f7fa644a397 100644 --- a/drivers/net/ethernet/freescale/fec.h +++ b/drivers/net/ethernet/freescale/fec.h @@ -310,6 +310,7 @@ struct fec_enet_private { int mii_timeout; uint phy_speed; phy_interface_t phy_interface; + struct device_node *phy_node; int link; int full_duplex; int speed; diff --git a/drivers/net/ethernet/freescale/fec_main.c b/drivers/net/ethernet/freescale/fec_main.c index 66fe1f672499..4f87dffcb9b2 100644 --- a/drivers/net/ethernet/freescale/fec_main.c +++ b/drivers/net/ethernet/freescale/fec_main.c @@ -52,6 +52,7 @@ #include <linux/of.h> #include <linux/of_device.h> #include <linux/of_gpio.h> +#include <linux/of_mdio.h> #include <linux/of_net.h> #include <linux/regulator/consumer.h> #include <linux/if_vlan.h> @@ -1648,29 +1649,37 @@ static int fec_enet_mii_probe(struct net_device *ndev) fep->phy_dev = NULL; - /* check for attached phy */ - for (phy_id = 0; (phy_id < PHY_MAX_ADDR); phy_id++) { - if ((fep->mii_bus->phy_mask & (1 << phy_id))) - continue; - if (fep->mii_bus->phy_map[phy_id] == NULL) - continue; - if (fep->mii_bus->phy_map[phy_id]->phy_id == 0) - continue; - if (dev_id--) - continue; - strncpy(mdio_bus_id, fep->mii_bus->id, MII_BUS_ID_SIZE); - break; - } + if (fep->phy_node) { + phy_dev = of_phy_connect(ndev, fep->phy_node, + &fec_enet_adjust_link, 0, + fep->phy_interface); + } else { + /* check for attached phy */ + for (phy_id = 0; (phy_id < PHY_MAX_ADDR); phy_id++) { + if ((fep->mii_bus->phy_mask & (1 << phy_id))) + continue; + if (fep->mii_bus->phy_map[phy_id] == NULL) + continue; + if (fep->mii_bus->phy_map[phy_id]->phy_id == 0) + continue; + if (dev_id--) + continue; + strncpy(mdio_bus_id, fep->mii_bus->id, MII_BUS_ID_SIZE); + break; + } - if (phy_id >= PHY_MAX_ADDR) { - netdev_info(ndev, "no PHY, assuming direct connection to switch\n"); - strncpy(mdio_bus_id, "fixed-0", MII_BUS_ID_SIZE); - phy_id = 0; + if (phy_id >= PHY_MAX_ADDR) { + netdev_info(ndev, "no PHY, assuming direct connection to switch\n"); + strncpy(mdio_bus_id, "fixed-0", MII_BUS_ID_SIZE); + phy_id = 0; + } + + snprintf(phy_name, sizeof(phy_name), + PHY_ID_FMT, mdio_bus_id, phy_id); + phy_dev = phy_connect(ndev, phy_name, &fec_enet_adjust_link, + fep->phy_interface); } - snprintf(phy_name, sizeof(phy_name), PHY_ID_FMT, mdio_bus_id, phy_id); - phy_dev = phy_connect(ndev, phy_name, &fec_enet_adjust_link, - fep->phy_interface); if (IS_ERR(phy_dev)) { netdev_err(ndev, "could not attach to PHY\n"); return PTR_ERR(phy_dev); @@ -1707,6 +1716,7 @@ static int fec_enet_mii_init(struct platform_device *pdev) struct fec_enet_private *fep = netdev_priv(ndev); const struct platform_device_id *id_entry = platform_get_device_id(fep->pdev); + struct device_node *node; int err = -ENXIO, i; /* @@ -1774,7 +1784,15 @@ static int fec_enet_mii_init(struct platform_device *pdev) for (i = 0; i < PHY_MAX_ADDR; i++) fep->mii_bus->irq[i] = PHY_POLL; - if (mdiobus_register(fep->mii_bus)) + node = of_get_child_by_name(pdev->dev.of_node, "mdio"); + if (node) { + err = of_mdiobus_register(fep->mii_bus, node); + of_node_put(node); + } else { + err = mdiobus_register(fep->mii_bus); + } + + if (err) goto err_out_free_mdio_irq; mii_cnt++; @@ -2527,6 +2545,7 @@ fec_probe(struct platform_device *pdev) struct resource *r; const struct of_device_id *of_id; static int dev_id; + struct device_node *np = pdev->dev.of_node, *phy_node; of_id = of_match_device(fec_dt_ids, &pdev->dev); if (of_id) @@ -2566,6 +2585,18 @@ fec_probe(struct platform_device *pdev) platform_set_drvdata(pdev, ndev); + phy_node = of_parse_phandle(np, "phy-handle", 0); + if (!phy_node && of_phy_is_fixed_link(np)) { + ret = of_phy_register_fixed_link(np); + if (ret < 0) { + dev_err(&pdev->dev, + "broken fixed-link specification\n"); + goto failed_phy; + } + phy_node = of_node_get(np); + } + fep->phy_node = phy_node; + ret = of_get_phy_mode(pdev->dev.of_node); if (ret < 0) { pdata = dev_get_platdata(&pdev->dev); @@ -2670,6 +2701,8 @@ failed_init: failed_regulator: fec_enet_clk_enable(ndev, false); failed_clk: +failed_phy: + of_node_put(phy_node); failed_ioremap: free_netdev(ndev); @@ -2691,6 +2724,7 @@ fec_drv_remove(struct platform_device *pdev) if (fep->ptp_clock) ptp_clock_unregister(fep->ptp_clock); fec_enet_clk_enable(ndev, false); + of_node_put(fep->phy_node); free_netdev(ndev); return 0; diff --git a/drivers/net/ethernet/freescale/fec_mpc52xx.c b/drivers/net/ethernet/freescale/fec_mpc52xx.c index 9947765e90c5..ff55fbb20a75 100644 --- a/drivers/net/ethernet/freescale/fec_mpc52xx.c +++ b/drivers/net/ethernet/freescale/fec_mpc52xx.c @@ -1015,8 +1015,7 @@ mpc52xx_fec_remove(struct platform_device *op) unregister_netdev(ndev); - if (priv->phy_node) - of_node_put(priv->phy_node); + of_node_put(priv->phy_node); priv->phy_node = NULL; irq_dispose_mapping(ndev->irq); diff --git a/drivers/net/ethernet/freescale/fs_enet/fs_enet-main.c b/drivers/net/ethernet/freescale/fs_enet/fs_enet-main.c index cfaf17b70f3f..748fd24d3d9e 100644 --- a/drivers/net/ethernet/freescale/fs_enet/fs_enet-main.c +++ b/drivers/net/ethernet/freescale/fs_enet/fs_enet-main.c @@ -1033,7 +1033,7 @@ static int fs_enet_probe(struct platform_device *ofdev) /* In the case of a fixed PHY, the DT node associated * to the PHY is the Ethernet MAC DT node. */ - fpi->phy_node = ofdev->dev.of_node; + fpi->phy_node = of_node_get(ofdev->dev.of_node); } if (of_device_is_compatible(ofdev->dev.of_node, "fsl,mpc5125-fec")) { diff --git a/drivers/net/ethernet/freescale/gianfar.c b/drivers/net/ethernet/freescale/gianfar.c index a6cf40e62f3a..fb29d049f4e1 100644 --- a/drivers/net/ethernet/freescale/gianfar.c +++ b/drivers/net/ethernet/freescale/gianfar.c @@ -892,12 +892,12 @@ static int gfar_of_init(struct platform_device *ofdev, struct net_device **pdev) /* In the case of a fixed PHY, the DT node associated * to the PHY is the Ethernet MAC DT node. */ - if (of_phy_is_fixed_link(np)) { + if (!priv->phy_node && of_phy_is_fixed_link(np)) { err = of_phy_register_fixed_link(np); if (err) goto err_grp_init; - priv->phy_node = np; + priv->phy_node = of_node_get(np); } /* Find the TBI PHY. If it's not there, we don't support SGMII */ @@ -1435,10 +1435,8 @@ register_fail: unmap_group_regs(priv); gfar_free_rx_queues(priv); gfar_free_tx_queues(priv); - if (priv->phy_node) - of_node_put(priv->phy_node); - if (priv->tbi_node) - of_node_put(priv->tbi_node); + of_node_put(priv->phy_node); + of_node_put(priv->tbi_node); free_gfar_dev(priv); return err; } @@ -1447,10 +1445,8 @@ static int gfar_remove(struct platform_device *ofdev) { struct gfar_private *priv = platform_get_drvdata(ofdev); - if (priv->phy_node) - of_node_put(priv->phy_node); - if (priv->tbi_node) - of_node_put(priv->tbi_node); + of_node_put(priv->phy_node); + of_node_put(priv->tbi_node); unregister_netdev(priv->ndev); unmap_group_regs(priv); diff --git a/drivers/net/ethernet/freescale/ucc_geth.c b/drivers/net/ethernet/freescale/ucc_geth.c index 8ceaf7a2660c..3cf0478b3728 100644 --- a/drivers/net/ethernet/freescale/ucc_geth.c +++ b/drivers/net/ethernet/freescale/ucc_geth.c @@ -3785,16 +3785,15 @@ static int ucc_geth_probe(struct platform_device* ofdev) ug_info->uf_info.irq = irq_of_parse_and_map(np, 0); ug_info->phy_node = of_parse_phandle(np, "phy-handle", 0); - if (!ug_info->phy_node) { - /* In the case of a fixed PHY, the DT node associated + if (!ug_info->phy_node && of_phy_is_fixed_link(np)) { + /* + * In the case of a fixed PHY, the DT node associated * to the PHY is the Ethernet MAC DT node. */ - if (of_phy_is_fixed_link(np)) { - err = of_phy_register_fixed_link(np); - if (err) - return err; - } - ug_info->phy_node = np; + err = of_phy_register_fixed_link(np); + if (err) + return err; + ug_info->phy_node = of_node_get(np); } /* Find the TBI PHY node. If it's not there, we don't support SGMII */ @@ -3862,8 +3861,11 @@ static int ucc_geth_probe(struct platform_device* ofdev) /* Create an ethernet device instance */ dev = alloc_etherdev(sizeof(*ugeth)); - if (dev == NULL) + if (dev == NULL) { + of_node_put(ug_info->tbi_node); + of_node_put(ug_info->phy_node); return -ENOMEM; + } ugeth = netdev_priv(dev); spin_lock_init(&ugeth->lock); @@ -3897,6 +3899,8 @@ static int ucc_geth_probe(struct platform_device* ofdev) pr_err("%s: Cannot register net device, aborting\n", dev->name); free_netdev(dev); + of_node_put(ug_info->tbi_node); + of_node_put(ug_info->phy_node); return err; } @@ -3920,6 +3924,8 @@ static int ucc_geth_remove(struct platform_device* ofdev) unregister_netdev(dev); free_netdev(dev); ucc_geth_memclean(ugeth); + of_node_put(ugeth->ug_info->tbi_node); + of_node_put(ugeth->ug_info->phy_node); return 0; } diff --git a/drivers/net/ethernet/fujitsu/fmvj18x_cs.c b/drivers/net/ethernet/fujitsu/fmvj18x_cs.c index cfe7a7431730..a7139f588ad2 100644 --- a/drivers/net/ethernet/fujitsu/fmvj18x_cs.c +++ b/drivers/net/ethernet/fujitsu/fmvj18x_cs.c @@ -99,23 +99,23 @@ static const struct ethtool_ops netdev_ethtool_ops; /* card type */ -typedef enum { MBH10302, MBH10304, TDK, CONTEC, LA501, UNGERMANN, +enum cardtype { MBH10302, MBH10304, TDK, CONTEC, LA501, UNGERMANN, XXX10304, NEC, KME -} cardtype_t; +}; /* driver specific data structure */ -typedef struct local_info_t { +struct local_info { struct pcmcia_device *p_dev; long open_time; uint tx_started:1; uint tx_queue; u_short tx_queue_len; - cardtype_t cardtype; + enum cardtype cardtype; u_short sent; u_char __iomem *base; -} local_info_t; +}; #define MC_FILTERBREAK 64 @@ -232,13 +232,13 @@ static const struct net_device_ops fjn_netdev_ops = { static int fmvj18x_probe(struct pcmcia_device *link) { - local_info_t *lp; + struct local_info *lp; struct net_device *dev; dev_dbg(&link->dev, "fmvj18x_attach()\n"); /* Make up a FMVJ18x specific data structure */ - dev = alloc_etherdev(sizeof(local_info_t)); + dev = alloc_etherdev(sizeof(struct local_info)); if (!dev) return -ENOMEM; lp = netdev_priv(dev); @@ -327,10 +327,10 @@ static int fmvj18x_ioprobe(struct pcmcia_device *p_dev, void *priv_data) static int fmvj18x_config(struct pcmcia_device *link) { struct net_device *dev = link->priv; - local_info_t *lp = netdev_priv(dev); + struct local_info *lp = netdev_priv(dev); int i, ret; unsigned int ioaddr; - cardtype_t cardtype; + enum cardtype cardtype; char *card_name = "unknown"; u8 *buf; size_t len; @@ -584,7 +584,7 @@ static int fmvj18x_setup_mfc(struct pcmcia_device *link) int i; struct net_device *dev = link->priv; unsigned int ioaddr; - local_info_t *lp = netdev_priv(dev); + struct local_info *lp = netdev_priv(dev); /* Allocate a small memory window */ link->resource[3]->flags = WIN_DATA_WIDTH_8|WIN_MEMORY_TYPE_AM|WIN_ENABLE; @@ -626,7 +626,7 @@ static void fmvj18x_release(struct pcmcia_device *link) { struct net_device *dev = link->priv; - local_info_t *lp = netdev_priv(dev); + struct local_info *lp = netdev_priv(dev); u_char __iomem *tmp; dev_dbg(&link->dev, "fmvj18x_release\n"); @@ -711,7 +711,7 @@ module_pcmcia_driver(fmvj18x_cs_driver); static irqreturn_t fjn_interrupt(int dummy, void *dev_id) { struct net_device *dev = dev_id; - local_info_t *lp = netdev_priv(dev); + struct local_info *lp = netdev_priv(dev); unsigned int ioaddr; unsigned short tx_stat, rx_stat; @@ -772,7 +772,7 @@ static irqreturn_t fjn_interrupt(int dummy, void *dev_id) static void fjn_tx_timeout(struct net_device *dev) { - struct local_info_t *lp = netdev_priv(dev); + struct local_info *lp = netdev_priv(dev); unsigned int ioaddr = dev->base_addr; netdev_notice(dev, "transmit timed out with status %04x, %s?\n", @@ -802,7 +802,7 @@ static void fjn_tx_timeout(struct net_device *dev) static netdev_tx_t fjn_start_xmit(struct sk_buff *skb, struct net_device *dev) { - struct local_info_t *lp = netdev_priv(dev); + struct local_info *lp = netdev_priv(dev); unsigned int ioaddr = dev->base_addr; short length = skb->len; @@ -874,7 +874,7 @@ static netdev_tx_t fjn_start_xmit(struct sk_buff *skb, static void fjn_reset(struct net_device *dev) { - struct local_info_t *lp = netdev_priv(dev); + struct local_info *lp = netdev_priv(dev); unsigned int ioaddr = dev->base_addr; int i; @@ -1058,7 +1058,7 @@ static int fjn_config(struct net_device *dev, struct ifmap *map){ static int fjn_open(struct net_device *dev) { - struct local_info_t *lp = netdev_priv(dev); + struct local_info *lp = netdev_priv(dev); struct pcmcia_device *link = lp->p_dev; pr_debug("fjn_open('%s').\n", dev->name); @@ -1083,7 +1083,7 @@ static int fjn_open(struct net_device *dev) static int fjn_close(struct net_device *dev) { - struct local_info_t *lp = netdev_priv(dev); + struct local_info *lp = netdev_priv(dev); struct pcmcia_device *link = lp->p_dev; unsigned int ioaddr = dev->base_addr; diff --git a/drivers/net/ethernet/hp/hp100.c b/drivers/net/ethernet/hp/hp100.c index 37860096f744..ed7916f6fbcf 100644 --- a/drivers/net/ethernet/hp/hp100.c +++ b/drivers/net/ethernet/hp/hp100.c @@ -208,7 +208,7 @@ MODULE_DEVICE_TABLE(eisa, hp100_eisa_tbl); #endif #ifdef CONFIG_PCI -static DEFINE_PCI_DEVICE_TABLE(hp100_pci_tbl) = { +static const struct pci_device_id hp100_pci_tbl[] = { {PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_J2585A, PCI_ANY_ID, PCI_ANY_ID,}, {PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_J2585B, PCI_ANY_ID, PCI_ANY_ID,}, {PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_J2970A, PCI_ANY_ID, PCI_ANY_ID,}, diff --git a/drivers/net/ethernet/ibm/ehea/Makefile b/drivers/net/ethernet/ibm/ehea/Makefile index 775d9969b5c2..cd473e295242 100644 --- a/drivers/net/ethernet/ibm/ehea/Makefile +++ b/drivers/net/ethernet/ibm/ehea/Makefile @@ -1,6 +1,6 @@ # # Makefile for the eHEA ethernet device driver for IBM eServer System p # -ehea-y = ehea_main.o ehea_phyp.o ehea_qmr.o ehea_ethtool.o ehea_phyp.o +ehea-y = ehea_main.o ehea_phyp.o ehea_qmr.o ehea_ethtool.o obj-$(CONFIG_EHEA) += ehea.o diff --git a/drivers/net/ethernet/icplus/ipg.c b/drivers/net/ethernet/icplus/ipg.c index 5727779a7df2..ff2903652f4b 100644 --- a/drivers/net/ethernet/icplus/ipg.c +++ b/drivers/net/ethernet/icplus/ipg.c @@ -95,7 +95,7 @@ static const char * const ipg_brand_name[] = { "D-Link NIC IP1000A" }; -static DEFINE_PCI_DEVICE_TABLE(ipg_pci_tbl) = { +static const struct pci_device_id ipg_pci_tbl[] = { { PCI_VDEVICE(SUNDANCE, 0x1023), 0 }, { PCI_VDEVICE(SUNDANCE, 0x2021), 1 }, { PCI_VDEVICE(DLINK, 0x9021), 2 }, diff --git a/drivers/net/ethernet/intel/e100.c b/drivers/net/ethernet/intel/e100.c index 9d979d7debef..781065eb5431 100644 --- a/drivers/net/ethernet/intel/e100.c +++ b/drivers/net/ethernet/intel/e100.c @@ -208,7 +208,7 @@ MODULE_PARM_DESC(use_io, "Force use of i/o access mode"); #define INTEL_8255X_ETHERNET_DEVICE(device_id, ich) {\ PCI_VENDOR_ID_INTEL, device_id, PCI_ANY_ID, PCI_ANY_ID, \ PCI_CLASS_NETWORK_ETHERNET << 8, 0xFFFF00, ich } -static DEFINE_PCI_DEVICE_TABLE(e100_id_table) = { +static const struct pci_device_id e100_id_table[] = { INTEL_8255X_ETHERNET_DEVICE(0x1029, 0), INTEL_8255X_ETHERNET_DEVICE(0x1030, 0), INTEL_8255X_ETHERNET_DEVICE(0x1031, 3), diff --git a/drivers/net/ethernet/intel/e1000/e1000_main.c b/drivers/net/ethernet/intel/e1000/e1000_main.c index 660971f304b2..cbc330b301cd 100644 --- a/drivers/net/ethernet/intel/e1000/e1000_main.c +++ b/drivers/net/ethernet/intel/e1000/e1000_main.c @@ -46,7 +46,7 @@ static const char e1000_copyright[] = "Copyright (c) 1999-2006 Intel Corporation * Macro expands to... * {PCI_DEVICE(PCI_VENDOR_ID_INTEL, device_id)} */ -static DEFINE_PCI_DEVICE_TABLE(e1000_pci_tbl) = { +static const struct pci_device_id e1000_pci_tbl[] = { INTEL_E1000_ETHERNET_DEVICE(0x1000), INTEL_E1000_ETHERNET_DEVICE(0x1001), INTEL_E1000_ETHERNET_DEVICE(0x1004), diff --git a/drivers/net/ethernet/intel/e1000e/manage.c b/drivers/net/ethernet/intel/e1000e/manage.c index 58856032298d..06edfca1a35e 100644 --- a/drivers/net/ethernet/intel/e1000e/manage.c +++ b/drivers/net/ethernet/intel/e1000e/manage.c @@ -47,7 +47,7 @@ static u8 e1000_calculate_checksum(u8 *buffer, u32 length) * e1000_mng_enable_host_if - Checks host interface is enabled * @hw: pointer to the HW structure * - * Returns E1000_success upon success, else E1000_ERR_HOST_INTERFACE_COMMAND + * Returns 0 upon success, else -E1000_ERR_HOST_INTERFACE_COMMAND * * This function checks whether the HOST IF is enabled for command operation * and also checks whether the previous command is completed. It busy waits @@ -78,7 +78,7 @@ static s32 e1000_mng_enable_host_if(struct e1000_hw *hw) } if (i == E1000_MNG_DHCP_COMMAND_TIMEOUT) { - e_dbg("Previous command timeout failed .\n"); + e_dbg("Previous command timeout failed.\n"); return -E1000_ERR_HOST_INTERFACE_COMMAND; } diff --git a/drivers/net/ethernet/intel/i40e/i40e_fcoe.c b/drivers/net/ethernet/intel/i40e/i40e_fcoe.c index 6938fc1ad877..5d01db1d789b 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_fcoe.c +++ b/drivers/net/ethernet/intel/i40e/i40e_fcoe.c @@ -33,6 +33,7 @@ #include <scsi/fc/fc_fcoe.h> #include <scsi/libfc.h> #include <scsi/libfcoe.h> +#include <uapi/linux/dcbnl.h> #include "i40e.h" #include "i40e_fcoe.h" diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c index 51bc03072ed3..eddec6ba095b 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_main.c +++ b/drivers/net/ethernet/intel/i40e/i40e_main.c @@ -65,7 +65,7 @@ static int i40e_veb_get_bw_info(struct i40e_veb *veb); * { Vendor ID, Device ID, SubVendor ID, SubDevice ID, * Class, Class Mask, private data (not used) } */ -static DEFINE_PCI_DEVICE_TABLE(i40e_pci_tbl) = { +static const struct pci_device_id i40e_pci_tbl[] = { {PCI_VDEVICE(INTEL, I40E_DEV_ID_SFP_XL710), 0}, {PCI_VDEVICE(INTEL, I40E_DEV_ID_QEMU), 0}, {PCI_VDEVICE(INTEL, I40E_DEV_ID_KX_A), 0}, @@ -4415,13 +4415,13 @@ static void i40e_print_link_message(struct i40e_vsi *vsi, bool isup) switch (vsi->back->hw.phy.link_info.link_speed) { case I40E_LINK_SPEED_40GB: - strncpy(speed, "40 Gbps", SPEED_SIZE); + strlcpy(speed, "40 Gbps", SPEED_SIZE); break; case I40E_LINK_SPEED_10GB: - strncpy(speed, "10 Gbps", SPEED_SIZE); + strlcpy(speed, "10 Gbps", SPEED_SIZE); break; case I40E_LINK_SPEED_1GB: - strncpy(speed, "1000 Mbps", SPEED_SIZE); + strlcpy(speed, "1000 Mbps", SPEED_SIZE); break; default: break; @@ -4429,16 +4429,16 @@ static void i40e_print_link_message(struct i40e_vsi *vsi, bool isup) switch (vsi->back->hw.fc.current_mode) { case I40E_FC_FULL: - strncpy(fc, "RX/TX", FC_SIZE); + strlcpy(fc, "RX/TX", FC_SIZE); break; case I40E_FC_TX_PAUSE: - strncpy(fc, "TX", FC_SIZE); + strlcpy(fc, "TX", FC_SIZE); break; case I40E_FC_RX_PAUSE: - strncpy(fc, "RX", FC_SIZE); + strlcpy(fc, "RX", FC_SIZE); break; default: - strncpy(fc, "None", FC_SIZE); + strlcpy(fc, "None", FC_SIZE); break; } @@ -5839,7 +5839,7 @@ static void i40e_send_version(struct i40e_pf *pf) dv.minor_version = DRV_VERSION_MINOR; dv.build_version = DRV_VERSION_BUILD; dv.subbuild_version = 0; - strncpy(dv.driver_string, DRV_VERSION, sizeof(dv.driver_string)); + strlcpy(dv.driver_string, DRV_VERSION, sizeof(dv.driver_string)); i40e_aq_send_driver_version(&pf->hw, &dv, NULL); } @@ -6293,7 +6293,7 @@ static int i40e_vsi_alloc_arrays(struct i40e_vsi *vsi, bool alloc_qvectors) if (alloc_qvectors) { /* allocate memory for q_vector pointers */ - size = sizeof(struct i40e_q_vectors *) * vsi->num_q_vectors; + size = sizeof(struct i40e_q_vector *) * vsi->num_q_vectors; vsi->q_vectors = kzalloc(size, GFP_KERNEL); if (!vsi->q_vectors) { ret = -ENOMEM; diff --git a/drivers/net/ethernet/intel/i40e/i40e_nvm.c b/drivers/net/ethernet/intel/i40e/i40e_nvm.c index 97bda3dffd49..25c4f9a3011f 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_nvm.c +++ b/drivers/net/ethernet/intel/i40e/i40e_nvm.c @@ -251,9 +251,9 @@ i40e_status i40e_read_nvm_buffer(struct i40e_hw *hw, u16 offset, * * Writes a 16 bit words buffer to the Shadow RAM using the admin command. **/ -i40e_status i40e_write_nvm_aq(struct i40e_hw *hw, u8 module_pointer, - u32 offset, u16 words, void *data, - bool last_command) +static i40e_status i40e_write_nvm_aq(struct i40e_hw *hw, u8 module_pointer, + u32 offset, u16 words, void *data, + bool last_command) { i40e_status ret_code = I40E_ERR_NVM; diff --git a/drivers/net/ethernet/intel/i40evf/i40evf_main.c b/drivers/net/ethernet/intel/i40evf/i40evf_main.c index ab15f4d07e41..38429fae4fcf 100644 --- a/drivers/net/ethernet/intel/i40evf/i40evf_main.c +++ b/drivers/net/ethernet/intel/i40evf/i40evf_main.c @@ -49,7 +49,7 @@ static const char i40evf_copyright[] = * { Vendor ID, Device ID, SubVendor ID, SubDevice ID, * Class, Class Mask, private data (not used) } */ -static DEFINE_PCI_DEVICE_TABLE(i40evf_pci_tbl) = { +static const struct pci_device_id i40evf_pci_tbl[] = { {PCI_VDEVICE(INTEL, I40E_DEV_ID_VF), 0}, /* required last entry */ {0, } diff --git a/drivers/net/ethernet/intel/igbvf/netdev.c b/drivers/net/ethernet/intel/igbvf/netdev.c index d608599e123a..63c807c9b21c 100644 --- a/drivers/net/ethernet/intel/igbvf/netdev.c +++ b/drivers/net/ethernet/intel/igbvf/netdev.c @@ -2853,7 +2853,7 @@ static const struct pci_error_handlers igbvf_err_handler = { .resume = igbvf_io_resume, }; -static DEFINE_PCI_DEVICE_TABLE(igbvf_pci_tbl) = { +static const struct pci_device_id igbvf_pci_tbl[] = { { PCI_VDEVICE(INTEL, E1000_DEV_ID_82576_VF), board_vf }, { PCI_VDEVICE(INTEL, E1000_DEV_ID_I350_VF), board_i350_vf }, { } /* terminate list */ diff --git a/drivers/net/ethernet/intel/ixgb/ixgb_main.c b/drivers/net/ethernet/intel/ixgb/ixgb_main.c index 60801273915c..055961b0f24b 100644 --- a/drivers/net/ethernet/intel/ixgb/ixgb_main.c +++ b/drivers/net/ethernet/intel/ixgb/ixgb_main.c @@ -53,7 +53,7 @@ MODULE_PARM_DESC(copybreak, * { Vendor ID, Device ID, SubVendor ID, SubDevice ID, * Class, Class Mask, private data (not used) } */ -static DEFINE_PCI_DEVICE_TABLE(ixgb_pci_tbl) = { +static const struct pci_device_id ixgb_pci_tbl[] = { {PCI_VENDOR_ID_INTEL, IXGB_DEVICE_ID_82597EX, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, {PCI_VENDOR_ID_INTEL, IXGB_DEVICE_ID_82597EX_CX4, diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c index 5384ed30298a..87bd53fdd209 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c @@ -84,7 +84,7 @@ static const struct ixgbe_info *ixgbe_info_tbl[] = { * { Vendor ID, Device ID, SubVendor ID, SubDevice ID, * Class, Class Mask, private data (not used) } */ -static DEFINE_PCI_DEVICE_TABLE(ixgbe_pci_tbl) = { +static const struct pci_device_id ixgbe_pci_tbl[] = { {PCI_VDEVICE(INTEL, IXGBE_DEV_ID_82598), board_82598 }, {PCI_VDEVICE(INTEL, IXGBE_DEV_ID_82598AF_DUAL_PORT), board_82598 }, {PCI_VDEVICE(INTEL, IXGBE_DEV_ID_82598AF_SINGLE_PORT), board_82598 }, diff --git a/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c b/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c index 75467f83772c..c22a00c3621a 100644 --- a/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c +++ b/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c @@ -76,7 +76,7 @@ static const struct ixgbevf_info *ixgbevf_info_tbl[] = { * { Vendor ID, Device ID, SubVendor ID, SubDevice ID, * Class, Class Mask, private data (not used) } */ -static DEFINE_PCI_DEVICE_TABLE(ixgbevf_pci_tbl) = { +static const struct pci_device_id ixgbevf_pci_tbl[] = { {PCI_VDEVICE(INTEL, IXGBE_DEV_ID_82599_VF), board_82599_vf }, {PCI_VDEVICE(INTEL, IXGBE_DEV_ID_X540_VF), board_X540_vf }, /* required last entry */ diff --git a/drivers/net/ethernet/jme.c b/drivers/net/ethernet/jme.c index b78378cea5e3..4a1be34d7214 100644 --- a/drivers/net/ethernet/jme.c +++ b/drivers/net/ethernet/jme.c @@ -3334,7 +3334,7 @@ static SIMPLE_DEV_PM_OPS(jme_pm_ops, jme_suspend, jme_resume); #define JME_PM_OPS NULL #endif -static DEFINE_PCI_DEVICE_TABLE(jme_pci_tbl) = { +static const struct pci_device_id jme_pci_tbl[] = { { PCI_VDEVICE(JMICRON, PCI_DEVICE_ID_JMICRON_JMC250) }, { PCI_VDEVICE(JMICRON, PCI_DEVICE_ID_JMICRON_JMC260) }, { } diff --git a/drivers/net/ethernet/marvell/mvneta.c b/drivers/net/ethernet/marvell/mvneta.c index dadd9a5f6323..c9f1d1b7ef37 100644 --- a/drivers/net/ethernet/marvell/mvneta.c +++ b/drivers/net/ethernet/marvell/mvneta.c @@ -2969,14 +2969,14 @@ static int mvneta_probe(struct platform_device *pdev) /* In the case of a fixed PHY, the DT node associated * to the PHY is the Ethernet MAC DT node. */ - phy_node = dn; + phy_node = of_node_get(dn); } phy_mode = of_get_phy_mode(dn); if (phy_mode < 0) { dev_err(&pdev->dev, "incorrect phy-mode\n"); err = -EINVAL; - goto err_free_irq; + goto err_put_phy_node; } dev->tx_queue_len = MVNETA_MAX_TXD; @@ -2992,7 +2992,7 @@ static int mvneta_probe(struct platform_device *pdev) pp->clk = devm_clk_get(&pdev->dev, NULL); if (IS_ERR(pp->clk)) { err = PTR_ERR(pp->clk); - goto err_free_irq; + goto err_put_phy_node; } clk_prepare_enable(pp->clk); @@ -3071,6 +3071,8 @@ err_free_stats: free_percpu(pp->stats); err_clk: clk_disable_unprepare(pp->clk); +err_put_phy_node: + of_node_put(phy_node); err_free_irq: irq_dispose_mapping(dev->irq); err_free_netdev: @@ -3088,6 +3090,7 @@ static int mvneta_remove(struct platform_device *pdev) clk_disable_unprepare(pp->clk); free_percpu(pp->stats); irq_dispose_mapping(dev->irq); + of_node_put(pp->phy_node); free_netdev(dev); return 0; diff --git a/drivers/net/ethernet/marvell/skge.c b/drivers/net/ethernet/marvell/skge.c index e912b6887d40..24b242277ea1 100644 --- a/drivers/net/ethernet/marvell/skge.c +++ b/drivers/net/ethernet/marvell/skge.c @@ -82,7 +82,7 @@ static int debug = -1; /* defaults above */ module_param(debug, int, 0); MODULE_PARM_DESC(debug, "Debug level (0=none,...,16=all)"); -static DEFINE_PCI_DEVICE_TABLE(skge_id_table) = { +static const struct pci_device_id skge_id_table[] = { { PCI_DEVICE(PCI_VENDOR_ID_3COM, 0x1700) }, /* 3Com 3C940 */ { PCI_DEVICE(PCI_VENDOR_ID_3COM, 0x80EB) }, /* 3Com 3C940B */ #ifdef CONFIG_SKGE_GENESIS diff --git a/drivers/net/ethernet/marvell/sky2.c b/drivers/net/ethernet/marvell/sky2.c index 59915144aabb..dba48a5ce7ab 100644 --- a/drivers/net/ethernet/marvell/sky2.c +++ b/drivers/net/ethernet/marvell/sky2.c @@ -101,7 +101,7 @@ static int legacy_pme = 0; module_param(legacy_pme, int, 0); MODULE_PARM_DESC(legacy_pme, "Legacy power management"); -static DEFINE_PCI_DEVICE_TABLE(sky2_id_table) = { +static const struct pci_device_id sky2_id_table[] = { { PCI_DEVICE(PCI_VENDOR_ID_SYSKONNECT, 0x9000) }, /* SK-9Sxx */ { PCI_DEVICE(PCI_VENDOR_ID_SYSKONNECT, 0x9E00) }, /* SK-9Exx */ { PCI_DEVICE(PCI_VENDOR_ID_SYSKONNECT, 0x9E01) }, /* SK-9E21M */ diff --git a/drivers/net/ethernet/mellanox/mlx4/cmd.c b/drivers/net/ethernet/mellanox/mlx4/cmd.c index 5d940a26055c..65a4a0f88ea0 100644 --- a/drivers/net/ethernet/mellanox/mlx4/cmd.c +++ b/drivers/net/ethernet/mellanox/mlx4/cmd.c @@ -1311,6 +1311,15 @@ static struct mlx4_cmd_info cmd_info[] = { .wrapper = mlx4_MAD_IFC_wrapper }, { + .opcode = MLX4_CMD_MAD_DEMUX, + .has_inbox = false, + .has_outbox = false, + .out_is_imm = false, + .encode_slave_id = false, + .verify = NULL, + .wrapper = mlx4_CMD_EPERM_wrapper + }, + { .opcode = MLX4_CMD_QUERY_IF_STAT, .has_inbox = false, .has_outbox = true, diff --git a/drivers/net/ethernet/mellanox/mlx4/fw.c b/drivers/net/ethernet/mellanox/mlx4/fw.c index 688e1eabab29..494753e44ae3 100644 --- a/drivers/net/ethernet/mellanox/mlx4/fw.c +++ b/drivers/net/ethernet/mellanox/mlx4/fw.c @@ -136,7 +136,8 @@ static void dump_dev_cap_flags2(struct mlx4_dev *dev, u64 flags) [7] = "FSM (MAC anti-spoofing) support", [8] = "Dynamic QP updates support", [9] = "Device managed flow steering IPoIB support", - [10] = "TCP/IP offloads/flow-steering for VXLAN support" + [10] = "TCP/IP offloads/flow-steering for VXLAN support", + [11] = "MAD DEMUX (Secure-Host) support" }; int i; @@ -571,6 +572,7 @@ int mlx4_QUERY_DEV_CAP(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap) #define QUERY_DEV_CAP_MAX_ICM_SZ_OFFSET 0xa0 #define QUERY_DEV_CAP_FW_REASSIGN_MAC 0x9d #define QUERY_DEV_CAP_VXLAN 0x9e +#define QUERY_DEV_CAP_MAD_DEMUX_OFFSET 0xb0 dev_cap->flags2 = 0; mailbox = mlx4_alloc_cmd_mailbox(dev); @@ -748,6 +750,11 @@ int mlx4_QUERY_DEV_CAP(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap) MLX4_GET(dev_cap->max_counters, outbox, QUERY_DEV_CAP_MAX_COUNTERS_OFFSET); + MLX4_GET(field32, outbox, + QUERY_DEV_CAP_MAD_DEMUX_OFFSET); + if (field32 & (1 << 0)) + dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_MAD_DEMUX; + MLX4_GET(field32, outbox, QUERY_DEV_CAP_EXT_2_FLAGS_OFFSET); if (field32 & (1 << 16)) dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_UPDATE_QP; @@ -2016,3 +2023,85 @@ void mlx4_opreq_action(struct work_struct *work) out: mlx4_free_cmd_mailbox(dev, mailbox); } + +static int mlx4_check_smp_firewall_active(struct mlx4_dev *dev, + struct mlx4_cmd_mailbox *mailbox) +{ +#define MLX4_CMD_MAD_DEMUX_SET_ATTR_OFFSET 0x10 +#define MLX4_CMD_MAD_DEMUX_GETRESP_ATTR_OFFSET 0x20 +#define MLX4_CMD_MAD_DEMUX_TRAP_ATTR_OFFSET 0x40 +#define MLX4_CMD_MAD_DEMUX_TRAP_REPRESS_ATTR_OFFSET 0x70 + + u32 set_attr_mask, getresp_attr_mask; + u32 trap_attr_mask, traprepress_attr_mask; + + MLX4_GET(set_attr_mask, mailbox->buf, + MLX4_CMD_MAD_DEMUX_SET_ATTR_OFFSET); + mlx4_dbg(dev, "SMP firewall set_attribute_mask = 0x%x\n", + set_attr_mask); + + MLX4_GET(getresp_attr_mask, mailbox->buf, + MLX4_CMD_MAD_DEMUX_GETRESP_ATTR_OFFSET); + mlx4_dbg(dev, "SMP firewall getresp_attribute_mask = 0x%x\n", + getresp_attr_mask); + + MLX4_GET(trap_attr_mask, mailbox->buf, + MLX4_CMD_MAD_DEMUX_TRAP_ATTR_OFFSET); + mlx4_dbg(dev, "SMP firewall trap_attribute_mask = 0x%x\n", + trap_attr_mask); + + MLX4_GET(traprepress_attr_mask, mailbox->buf, + MLX4_CMD_MAD_DEMUX_TRAP_REPRESS_ATTR_OFFSET); + mlx4_dbg(dev, "SMP firewall traprepress_attribute_mask = 0x%x\n", + traprepress_attr_mask); + + if (set_attr_mask && getresp_attr_mask && trap_attr_mask && + traprepress_attr_mask) + return 1; + + return 0; +} + +int mlx4_config_mad_demux(struct mlx4_dev *dev) +{ + struct mlx4_cmd_mailbox *mailbox; + int secure_host_active; + int err; + + /* Check if mad_demux is supported */ + if (!(dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_MAD_DEMUX)) + return 0; + + mailbox = mlx4_alloc_cmd_mailbox(dev); + if (IS_ERR(mailbox)) { + mlx4_warn(dev, "Failed to allocate mailbox for cmd MAD_DEMUX"); + return -ENOMEM; + } + + /* Query mad_demux to find out which MADs are handled by internal sma */ + err = mlx4_cmd_box(dev, 0, mailbox->dma, 0x01 /* subn mgmt class */, + MLX4_CMD_MAD_DEMUX_QUERY_RESTR, MLX4_CMD_MAD_DEMUX, + MLX4_CMD_TIME_CLASS_B, MLX4_CMD_NATIVE); + if (err) { + mlx4_warn(dev, "MLX4_CMD_MAD_DEMUX: query restrictions failed (%d)\n", + err); + goto out; + } + + secure_host_active = mlx4_check_smp_firewall_active(dev, mailbox); + + /* Config mad_demux to handle all MADs returned by the query above */ + err = mlx4_cmd(dev, mailbox->dma, 0x01 /* subn mgmt class */, + MLX4_CMD_MAD_DEMUX_CONFIG, MLX4_CMD_MAD_DEMUX, + MLX4_CMD_TIME_CLASS_B, MLX4_CMD_NATIVE); + if (err) { + mlx4_warn(dev, "MLX4_CMD_MAD_DEMUX: configure failed (%d)\n", err); + goto out; + } + + if (secure_host_active) + mlx4_warn(dev, "HCA operating in secure-host mode. SMP firewall activated.\n"); +out: + mlx4_free_cmd_mailbox(dev, mailbox); + return err; +} diff --git a/drivers/net/ethernet/mellanox/mlx4/main.c b/drivers/net/ethernet/mellanox/mlx4/main.c index 80b8c5f30e4e..7e2d5d57c598 100644 --- a/drivers/net/ethernet/mellanox/mlx4/main.c +++ b/drivers/net/ethernet/mellanox/mlx4/main.c @@ -1853,6 +1853,11 @@ static int mlx4_setup_hca(struct mlx4_dev *dev) mlx4_err(dev, "Failed to initialize multicast group table, aborting\n"); goto err_mr_table_free; } + err = mlx4_config_mad_demux(dev); + if (err) { + mlx4_err(dev, "Failed in config_mad_demux, aborting\n"); + goto err_mcg_table_free; + } } err = mlx4_init_eq_table(dev); @@ -2727,7 +2732,7 @@ int mlx4_restart_one(struct pci_dev *pdev) return __mlx4_init_one(pdev, pci_dev_data); } -static DEFINE_PCI_DEVICE_TABLE(mlx4_pci_table) = { +static const struct pci_device_id mlx4_pci_table[] = { /* MT25408 "Hermon" SDR */ { PCI_VDEVICE(MELLANOX, 0x6340), MLX4_PCI_DEV_FORCE_SENSE_PORT }, /* MT25408 "Hermon" DDR */ diff --git a/drivers/net/ethernet/mellanox/mlx4/mlx4.h b/drivers/net/ethernet/mellanox/mlx4/mlx4.h index 13fbcd03c3e4..b508c7887ef8 100644 --- a/drivers/net/ethernet/mellanox/mlx4/mlx4.h +++ b/drivers/net/ethernet/mellanox/mlx4/mlx4.h @@ -274,6 +274,8 @@ struct mlx4_icm_table { #define MLX4_MPT_FLAG_PHYSICAL (1 << 9) #define MLX4_MPT_FLAG_REGION (1 << 8) +#define MLX4_MPT_PD_MASK (0x1FFFFUL) +#define MLX4_MPT_PD_VF_MASK (0xFE0000UL) #define MLX4_MPT_PD_FLAG_FAST_REG (1 << 27) #define MLX4_MPT_PD_FLAG_RAE (1 << 28) #define MLX4_MPT_PD_FLAG_EN_INV (3 << 24) @@ -1306,5 +1308,6 @@ void mlx4_init_quotas(struct mlx4_dev *dev); int mlx4_get_slave_num_gids(struct mlx4_dev *dev, int slave, int port); /* Returns the VF index of slave */ int mlx4_get_vf_indx(struct mlx4_dev *dev, int slave); +int mlx4_config_mad_demux(struct mlx4_dev *dev); #endif /* MLX4_H */ diff --git a/drivers/net/ethernet/mellanox/mlx4/mr.c b/drivers/net/ethernet/mellanox/mlx4/mr.c index 2839abb878a6..7d717eccb7b0 100644 --- a/drivers/net/ethernet/mellanox/mlx4/mr.c +++ b/drivers/net/ethernet/mellanox/mlx4/mr.c @@ -298,6 +298,131 @@ static int mlx4_HW2SW_MPT(struct mlx4_dev *dev, struct mlx4_cmd_mailbox *mailbox MLX4_CMD_TIME_CLASS_B, MLX4_CMD_WRAPPED); } +int mlx4_mr_hw_get_mpt(struct mlx4_dev *dev, struct mlx4_mr *mmr, + struct mlx4_mpt_entry ***mpt_entry) +{ + int err; + int key = key_to_hw_index(mmr->key) & (dev->caps.num_mpts - 1); + struct mlx4_cmd_mailbox *mailbox = NULL; + + /* Make sure that at this point we have single-threaded access only */ + + if (mmr->enabled != MLX4_MPT_EN_HW) + return -EINVAL; + + err = mlx4_HW2SW_MPT(dev, NULL, key); + + if (err) { + mlx4_warn(dev, "HW2SW_MPT failed (%d).", err); + mlx4_warn(dev, "Most likely the MR has MWs bound to it.\n"); + return err; + } + + mmr->enabled = MLX4_MPT_EN_SW; + + if (!mlx4_is_mfunc(dev)) { + **mpt_entry = mlx4_table_find( + &mlx4_priv(dev)->mr_table.dmpt_table, + key, NULL); + } else { + mailbox = mlx4_alloc_cmd_mailbox(dev); + if (IS_ERR_OR_NULL(mailbox)) + return PTR_ERR(mailbox); + + err = mlx4_cmd_box(dev, 0, mailbox->dma, key, + 0, MLX4_CMD_QUERY_MPT, + MLX4_CMD_TIME_CLASS_B, + MLX4_CMD_WRAPPED); + + if (err) + goto free_mailbox; + + *mpt_entry = (struct mlx4_mpt_entry **)&mailbox->buf; + } + + if (!(*mpt_entry) || !(**mpt_entry)) { + err = -ENOMEM; + goto free_mailbox; + } + + return 0; + +free_mailbox: + mlx4_free_cmd_mailbox(dev, mailbox); + return err; +} +EXPORT_SYMBOL_GPL(mlx4_mr_hw_get_mpt); + +int mlx4_mr_hw_write_mpt(struct mlx4_dev *dev, struct mlx4_mr *mmr, + struct mlx4_mpt_entry **mpt_entry) +{ + int err; + + if (!mlx4_is_mfunc(dev)) { + /* Make sure any changes to this entry are flushed */ + wmb(); + + *(u8 *)(*mpt_entry) = MLX4_MPT_STATUS_HW; + + /* Make sure the new status is written */ + wmb(); + + err = mlx4_SYNC_TPT(dev); + } else { + int key = key_to_hw_index(mmr->key) & (dev->caps.num_mpts - 1); + + struct mlx4_cmd_mailbox *mailbox = + container_of((void *)mpt_entry, struct mlx4_cmd_mailbox, + buf); + + err = mlx4_SW2HW_MPT(dev, mailbox, key); + } + + mmr->pd = be32_to_cpu((*mpt_entry)->pd_flags) & MLX4_MPT_PD_MASK; + if (!err) + mmr->enabled = MLX4_MPT_EN_HW; + return err; +} +EXPORT_SYMBOL_GPL(mlx4_mr_hw_write_mpt); + +void mlx4_mr_hw_put_mpt(struct mlx4_dev *dev, + struct mlx4_mpt_entry **mpt_entry) +{ + if (mlx4_is_mfunc(dev)) { + struct mlx4_cmd_mailbox *mailbox = + container_of((void *)mpt_entry, struct mlx4_cmd_mailbox, + buf); + mlx4_free_cmd_mailbox(dev, mailbox); + } +} +EXPORT_SYMBOL_GPL(mlx4_mr_hw_put_mpt); + +int mlx4_mr_hw_change_pd(struct mlx4_dev *dev, struct mlx4_mpt_entry *mpt_entry, + u32 pdn) +{ + u32 pd_flags = be32_to_cpu(mpt_entry->pd_flags); + /* The wrapper function will put the slave's id here */ + if (mlx4_is_mfunc(dev)) + pd_flags &= ~MLX4_MPT_PD_VF_MASK; + mpt_entry->pd_flags = cpu_to_be32((pd_flags & ~MLX4_MPT_PD_MASK) | + (pdn & MLX4_MPT_PD_MASK) + | MLX4_MPT_PD_FLAG_EN_INV); + return 0; +} +EXPORT_SYMBOL_GPL(mlx4_mr_hw_change_pd); + +int mlx4_mr_hw_change_access(struct mlx4_dev *dev, + struct mlx4_mpt_entry *mpt_entry, + u32 access) +{ + u32 flags = (be32_to_cpu(mpt_entry->flags) & ~MLX4_PERM_MASK) | + (access & MLX4_PERM_MASK); + + mpt_entry->flags = cpu_to_be32(flags); + return 0; +} +EXPORT_SYMBOL_GPL(mlx4_mr_hw_change_access); + static int mlx4_mr_alloc_reserved(struct mlx4_dev *dev, u32 mridx, u32 pd, u64 iova, u64 size, u32 access, int npages, int page_shift, struct mlx4_mr *mr) @@ -463,6 +588,41 @@ int mlx4_mr_free(struct mlx4_dev *dev, struct mlx4_mr *mr) } EXPORT_SYMBOL_GPL(mlx4_mr_free); +void mlx4_mr_rereg_mem_cleanup(struct mlx4_dev *dev, struct mlx4_mr *mr) +{ + mlx4_mtt_cleanup(dev, &mr->mtt); +} +EXPORT_SYMBOL_GPL(mlx4_mr_rereg_mem_cleanup); + +int mlx4_mr_rereg_mem_write(struct mlx4_dev *dev, struct mlx4_mr *mr, + u64 iova, u64 size, int npages, + int page_shift, struct mlx4_mpt_entry *mpt_entry) +{ + int err; + + mpt_entry->start = cpu_to_be64(mr->iova); + mpt_entry->length = cpu_to_be64(mr->size); + mpt_entry->entity_size = cpu_to_be32(mr->mtt.page_shift); + + err = mlx4_mtt_init(dev, npages, page_shift, &mr->mtt); + if (err) + return err; + + if (mr->mtt.order < 0) { + mpt_entry->flags |= cpu_to_be32(MLX4_MPT_FLAG_PHYSICAL); + mpt_entry->mtt_addr = 0; + } else { + mpt_entry->mtt_addr = cpu_to_be64(mlx4_mtt_addr(dev, + &mr->mtt)); + if (mr->mtt.page_shift == 0) + mpt_entry->mtt_sz = cpu_to_be32(1 << mr->mtt.order); + } + mr->enabled = MLX4_MPT_EN_SW; + + return 0; +} +EXPORT_SYMBOL_GPL(mlx4_mr_rereg_mem_write); + int mlx4_mr_enable(struct mlx4_dev *dev, struct mlx4_mr *mr) { struct mlx4_cmd_mailbox *mailbox; diff --git a/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c b/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c index 0efc1368e5a8..1089367fed22 100644 --- a/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c +++ b/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c @@ -2613,12 +2613,34 @@ int mlx4_QUERY_MPT_wrapper(struct mlx4_dev *dev, int slave, if (err) return err; - if (mpt->com.from_state != RES_MPT_HW) { + if (mpt->com.from_state == RES_MPT_MAPPED) { + /* In order to allow rereg in SRIOV, we need to alter the MPT entry. To do + * that, the VF must read the MPT. But since the MPT entry memory is not + * in the VF's virtual memory space, it must use QUERY_MPT to obtain the + * entry contents. To guarantee that the MPT cannot be changed, the driver + * must perform HW2SW_MPT before this query and return the MPT entry to HW + * ownership fofollowing the change. The change here allows the VF to + * perform QUERY_MPT also when the entry is in SW ownership. + */ + struct mlx4_mpt_entry *mpt_entry = mlx4_table_find( + &mlx4_priv(dev)->mr_table.dmpt_table, + mpt->key, NULL); + + if (NULL == mpt_entry || NULL == outbox->buf) { + err = -EINVAL; + goto out; + } + + memcpy(outbox->buf, mpt_entry, sizeof(*mpt_entry)); + + err = 0; + } else if (mpt->com.from_state == RES_MPT_HW) { + err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd); + } else { err = -EBUSY; goto out; } - err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd); out: put_res(dev, slave, id, RES_MPT); diff --git a/drivers/net/ethernet/micrel/ksz884x.c b/drivers/net/ethernet/micrel/ksz884x.c index cd5f106306d9..f1ebed6c63b1 100644 --- a/drivers/net/ethernet/micrel/ksz884x.c +++ b/drivers/net/ethernet/micrel/ksz884x.c @@ -7221,7 +7221,7 @@ static int pcidev_suspend(struct pci_dev *pdev, pm_message_t state) static char pcidev_name[] = "ksz884xp"; -static DEFINE_PCI_DEVICE_TABLE(pcidev_table) = { +static const struct pci_device_id pcidev_table[] = { { PCI_VENDOR_ID_MICREL_KS, 0x8841, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, { PCI_VENDOR_ID_MICREL_KS, 0x8842, diff --git a/drivers/net/ethernet/myricom/myri10ge/myri10ge.c b/drivers/net/ethernet/myricom/myri10ge/myri10ge.c index f3d5d79f1cd1..9e7e3f1dce3e 100644 --- a/drivers/net/ethernet/myricom/myri10ge/myri10ge.c +++ b/drivers/net/ethernet/myricom/myri10ge/myri10ge.c @@ -574,6 +574,7 @@ myri10ge_validate_firmware(struct myri10ge_priv *mgp, /* save firmware version for ethtool */ strncpy(mgp->fw_version, hdr->version, sizeof(mgp->fw_version)); + mgp->fw_version[sizeof(mgp->fw_version) - 1] = '\0'; sscanf(mgp->fw_version, "%d.%d.%d", &mgp->fw_ver_major, &mgp->fw_ver_minor, &mgp->fw_ver_tiny); @@ -872,6 +873,10 @@ static int myri10ge_dma_test(struct myri10ge_priv *mgp, int test_type) return -ENOMEM; dmatest_bus = pci_map_page(mgp->pdev, dmatest_page, 0, PAGE_SIZE, DMA_BIDIRECTIONAL); + if (unlikely(pci_dma_mapping_error(mgp->pdev, dmatest_bus))) { + __free_page(dmatest_page); + return -ENOMEM; + } /* Run a small DMA test. * The magic multipliers to the length tell the firmware @@ -1293,6 +1298,7 @@ myri10ge_alloc_rx_pages(struct myri10ge_priv *mgp, struct myri10ge_rx_buf *rx, int bytes, int watchdog) { struct page *page; + dma_addr_t bus; int idx; #if MYRI10GE_ALLOC_SIZE > 4096 int end_offset; @@ -1317,11 +1323,21 @@ myri10ge_alloc_rx_pages(struct myri10ge_priv *mgp, struct myri10ge_rx_buf *rx, rx->watchdog_needed = 1; return; } + + bus = pci_map_page(mgp->pdev, page, 0, + MYRI10GE_ALLOC_SIZE, + PCI_DMA_FROMDEVICE); + if (unlikely(pci_dma_mapping_error(mgp->pdev, bus))) { + __free_pages(page, MYRI10GE_ALLOC_ORDER); + if (rx->fill_cnt - rx->cnt < 16) + rx->watchdog_needed = 1; + return; + } + rx->page = page; rx->page_offset = 0; - rx->bus = pci_map_page(mgp->pdev, page, 0, - MYRI10GE_ALLOC_SIZE, - PCI_DMA_FROMDEVICE); + rx->bus = bus; + } rx->info[idx].page = rx->page; rx->info[idx].page_offset = rx->page_offset; @@ -2763,6 +2779,35 @@ myri10ge_submit_req(struct myri10ge_tx_buf *tx, struct mcp_kreq_ether_send *src, mb(); } +static void myri10ge_unmap_tx_dma(struct myri10ge_priv *mgp, + struct myri10ge_tx_buf *tx, int idx) +{ + unsigned int len; + int last_idx; + + /* Free any DMA resources we've alloced and clear out the skb slot */ + last_idx = (idx + 1) & tx->mask; + idx = tx->req & tx->mask; + do { + len = dma_unmap_len(&tx->info[idx], len); + if (len) { + if (tx->info[idx].skb != NULL) + pci_unmap_single(mgp->pdev, + dma_unmap_addr(&tx->info[idx], + bus), len, + PCI_DMA_TODEVICE); + else + pci_unmap_page(mgp->pdev, + dma_unmap_addr(&tx->info[idx], + bus), len, + PCI_DMA_TODEVICE); + dma_unmap_len_set(&tx->info[idx], len, 0); + tx->info[idx].skb = NULL; + } + idx = (idx + 1) & tx->mask; + } while (idx != last_idx); +} + /* * Transmit a packet. We need to split the packet so that a single * segment does not cross myri10ge->tx_boundary, so this makes segment @@ -2786,7 +2831,7 @@ static netdev_tx_t myri10ge_xmit(struct sk_buff *skb, u32 low; __be32 high_swapped; unsigned int len; - int idx, last_idx, avail, frag_cnt, frag_idx, count, mss, max_segments; + int idx, avail, frag_cnt, frag_idx, count, mss, max_segments; u16 pseudo_hdr_offset, cksum_offset, queue; int cum_len, seglen, boundary, rdma_count; u8 flags, odd_flag; @@ -2883,9 +2928,12 @@ again: /* map the skb for DMA */ len = skb_headlen(skb); + bus = pci_map_single(mgp->pdev, skb->data, len, PCI_DMA_TODEVICE); + if (unlikely(pci_dma_mapping_error(mgp->pdev, bus))) + goto drop; + idx = tx->req & tx->mask; tx->info[idx].skb = skb; - bus = pci_map_single(mgp->pdev, skb->data, len, PCI_DMA_TODEVICE); dma_unmap_addr_set(&tx->info[idx], bus, bus); dma_unmap_len_set(&tx->info[idx], len, len); @@ -2984,12 +3032,16 @@ again: break; /* map next fragment for DMA */ - idx = (count + tx->req) & tx->mask; frag = &skb_shinfo(skb)->frags[frag_idx]; frag_idx++; len = skb_frag_size(frag); bus = skb_frag_dma_map(&mgp->pdev->dev, frag, 0, len, DMA_TO_DEVICE); + if (unlikely(pci_dma_mapping_error(mgp->pdev, bus))) { + myri10ge_unmap_tx_dma(mgp, tx, idx); + goto drop; + } + idx = (count + tx->req) & tx->mask; dma_unmap_addr_set(&tx->info[idx], bus, bus); dma_unmap_len_set(&tx->info[idx], len, len); } @@ -3020,31 +3072,8 @@ again: return NETDEV_TX_OK; abort_linearize: - /* Free any DMA resources we've alloced and clear out the skb - * slot so as to not trip up assertions, and to avoid a - * double-free if linearizing fails */ + myri10ge_unmap_tx_dma(mgp, tx, idx); - last_idx = (idx + 1) & tx->mask; - idx = tx->req & tx->mask; - tx->info[idx].skb = NULL; - do { - len = dma_unmap_len(&tx->info[idx], len); - if (len) { - if (tx->info[idx].skb != NULL) - pci_unmap_single(mgp->pdev, - dma_unmap_addr(&tx->info[idx], - bus), len, - PCI_DMA_TODEVICE); - else - pci_unmap_page(mgp->pdev, - dma_unmap_addr(&tx->info[idx], - bus), len, - PCI_DMA_TODEVICE); - dma_unmap_len_set(&tx->info[idx], len, 0); - tx->info[idx].skb = NULL; - } - idx = (idx + 1) & tx->mask; - } while (idx != last_idx); if (skb_is_gso(skb)) { netdev_err(mgp->dev, "TSO but wanted to linearize?!?!?\n"); goto drop; @@ -4213,7 +4242,7 @@ static void myri10ge_remove(struct pci_dev *pdev) #define PCI_DEVICE_ID_MYRICOM_MYRI10GE_Z8E 0x0008 #define PCI_DEVICE_ID_MYRICOM_MYRI10GE_Z8E_9 0x0009 -static DEFINE_PCI_DEVICE_TABLE(myri10ge_pci_tbl) = { +static const struct pci_device_id myri10ge_pci_tbl[] = { {PCI_DEVICE(PCI_VENDOR_ID_MYRICOM, PCI_DEVICE_ID_MYRICOM_MYRI10GE_Z8E)}, {PCI_DEVICE (PCI_VENDOR_ID_MYRICOM, PCI_DEVICE_ID_MYRICOM_MYRI10GE_Z8E_9)}, diff --git a/drivers/net/ethernet/natsemi/natsemi.c b/drivers/net/ethernet/natsemi/natsemi.c index 291fba8b9f07..b83f7c0fcf99 100644 --- a/drivers/net/ethernet/natsemi/natsemi.c +++ b/drivers/net/ethernet/natsemi/natsemi.c @@ -247,7 +247,7 @@ static struct { { "NatSemi DP8381[56]", 0, 24 }, }; -static DEFINE_PCI_DEVICE_TABLE(natsemi_pci_tbl) = { +static const struct pci_device_id natsemi_pci_tbl[] = { { PCI_VENDOR_ID_NS, 0x0020, 0x12d9, 0x000c, 0, 0, 0 }, { PCI_VENDOR_ID_NS, 0x0020, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 1 }, { } /* terminate list */ diff --git a/drivers/net/ethernet/natsemi/ns83820.c b/drivers/net/ethernet/natsemi/ns83820.c index 19bb8244b9e3..2552e550a78c 100644 --- a/drivers/net/ethernet/natsemi/ns83820.c +++ b/drivers/net/ethernet/natsemi/ns83820.c @@ -2260,7 +2260,7 @@ static void ns83820_remove_one(struct pci_dev *pci_dev) free_netdev(ndev); } -static DEFINE_PCI_DEVICE_TABLE(ns83820_pci_tbl) = { +static const struct pci_device_id ns83820_pci_tbl[] = { { 0x100b, 0x0022, PCI_ANY_ID, PCI_ANY_ID, 0, .driver_data = 0, }, { 0, }, }; diff --git a/drivers/net/ethernet/neterion/s2io.c b/drivers/net/ethernet/neterion/s2io.c index be587647c706..f5e4b820128b 100644 --- a/drivers/net/ethernet/neterion/s2io.c +++ b/drivers/net/ethernet/neterion/s2io.c @@ -471,7 +471,7 @@ module_param_array(rts_frm_len, uint, NULL, 0); * S2IO device table. * This table lists all the devices that this driver supports. */ -static DEFINE_PCI_DEVICE_TABLE(s2io_tbl) = { +static const struct pci_device_id s2io_tbl[] = { {PCI_VENDOR_ID_S2IO, PCI_DEVICE_ID_S2IO_WIN, PCI_ANY_ID, PCI_ANY_ID}, {PCI_VENDOR_ID_S2IO, PCI_DEVICE_ID_S2IO_UNI, diff --git a/drivers/net/ethernet/neterion/vxge/vxge-main.c b/drivers/net/ethernet/neterion/vxge/vxge-main.c index 2eda153cb1e0..4f40d7b8629e 100644 --- a/drivers/net/ethernet/neterion/vxge/vxge-main.c +++ b/drivers/net/ethernet/neterion/vxge/vxge-main.c @@ -63,7 +63,7 @@ MODULE_LICENSE("Dual BSD/GPL"); MODULE_DESCRIPTION("Neterion's X3100 Series 10GbE PCIe I/O" "Virtualized Server Adapter"); -static DEFINE_PCI_DEVICE_TABLE(vxge_id_table) = { +static const struct pci_device_id vxge_id_table[] = { {PCI_VENDOR_ID_S2IO, PCI_DEVICE_ID_TITAN_WIN, PCI_ANY_ID, PCI_ANY_ID}, {PCI_VENDOR_ID_S2IO, PCI_DEVICE_ID_TITAN_UNI, PCI_ANY_ID, diff --git a/drivers/net/ethernet/nvidia/forcedeth.c b/drivers/net/ethernet/nvidia/forcedeth.c index 9afc536c5734..925b296d8ab8 100644 --- a/drivers/net/ethernet/nvidia/forcedeth.c +++ b/drivers/net/ethernet/nvidia/forcedeth.c @@ -6185,7 +6185,7 @@ static void nv_shutdown(struct pci_dev *pdev) #define nv_shutdown NULL #endif /* CONFIG_PM */ -static DEFINE_PCI_DEVICE_TABLE(pci_tbl) = { +static const struct pci_device_id pci_tbl[] = { { /* nForce Ethernet Controller */ PCI_DEVICE(0x10DE, 0x01C3), .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER, diff --git a/drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c b/drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c index 73e66838cfef..3b98b263bad0 100644 --- a/drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c +++ b/drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c @@ -2743,7 +2743,7 @@ static struct pch_gbe_privdata pch_gbe_minnow_privdata = { .platform_init = pch_gbe_minnow_platform_init, }; -static DEFINE_PCI_DEVICE_TABLE(pch_gbe_pcidev_id) = { +static const struct pci_device_id pch_gbe_pcidev_id[] = { {.vendor = PCI_VENDOR_ID_INTEL, .device = PCI_DEVICE_ID_INTEL_IOH1_GBE, .subvendor = PCI_VENDOR_ID_CIRCUITCO, diff --git a/drivers/net/ethernet/packetengines/hamachi.c b/drivers/net/ethernet/packetengines/hamachi.c index 9a997e4c3e08..319d9d40f922 100644 --- a/drivers/net/ethernet/packetengines/hamachi.c +++ b/drivers/net/ethernet/packetengines/hamachi.c @@ -1911,7 +1911,7 @@ static void hamachi_remove_one(struct pci_dev *pdev) } } -static DEFINE_PCI_DEVICE_TABLE(hamachi_pci_tbl) = { +static const struct pci_device_id hamachi_pci_tbl[] = { { 0x1318, 0x0911, PCI_ANY_ID, PCI_ANY_ID, }, { 0, } }; diff --git a/drivers/net/ethernet/packetengines/yellowfin.c b/drivers/net/ethernet/packetengines/yellowfin.c index 69a8dc095072..2d6b148528dd 100644 --- a/drivers/net/ethernet/packetengines/yellowfin.c +++ b/drivers/net/ethernet/packetengines/yellowfin.c @@ -236,7 +236,7 @@ static const struct pci_id_info pci_id_tbl[] = { { } }; -static DEFINE_PCI_DEVICE_TABLE(yellowfin_pci_tbl) = { +static const struct pci_device_id yellowfin_pci_tbl[] = { { 0x1000, 0x0702, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, { 0x1000, 0x0701, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 1 }, { } diff --git a/drivers/net/ethernet/pasemi/pasemi_mac.c b/drivers/net/ethernet/pasemi/pasemi_mac.c index 9abf70d74b31..30d934d66356 100644 --- a/drivers/net/ethernet/pasemi/pasemi_mac.c +++ b/drivers/net/ethernet/pasemi/pasemi_mac.c @@ -1871,7 +1871,7 @@ static void pasemi_mac_remove(struct pci_dev *pdev) free_netdev(netdev); } -static DEFINE_PCI_DEVICE_TABLE(pasemi_mac_pci_tbl) = { +static const struct pci_device_id pasemi_mac_pci_tbl[] = { { PCI_DEVICE(PCI_VENDOR_ID_PASEMI, 0xa005) }, { PCI_DEVICE(PCI_VENDOR_ID_PASEMI, 0xa006) }, { }, diff --git a/drivers/net/ethernet/qlogic/netxen/netxen_nic_main.c b/drivers/net/ethernet/qlogic/netxen/netxen_nic_main.c index 5bf05818a12c..1159031f885b 100644 --- a/drivers/net/ethernet/qlogic/netxen/netxen_nic_main.c +++ b/drivers/net/ethernet/qlogic/netxen/netxen_nic_main.c @@ -99,7 +99,7 @@ static int netxen_nic_set_mac(struct net_device *netdev, void *p); {PCI_DEVICE(PCI_VENDOR_ID_NETXEN, (device)), \ .class = PCI_CLASS_NETWORK_ETHERNET << 8, .class_mask = ~0} -static DEFINE_PCI_DEVICE_TABLE(netxen_pci_tbl) = { +static const struct pci_device_id netxen_pci_tbl[] = { ENTRY(PCI_DEVICE_ID_NX2031_10GXSR), ENTRY(PCI_DEVICE_ID_NX2031_10GCX4), ENTRY(PCI_DEVICE_ID_NX2031_4GCU), diff --git a/drivers/net/ethernet/qlogic/qla3xxx.c b/drivers/net/ethernet/qlogic/qla3xxx.c index b5d6bc1a8b00..c2f09af5c25b 100644 --- a/drivers/net/ethernet/qlogic/qla3xxx.c +++ b/drivers/net/ethernet/qlogic/qla3xxx.c @@ -65,7 +65,7 @@ static int msi; module_param(msi, int, 0); MODULE_PARM_DESC(msi, "Turn on Message Signaled Interrupts."); -static DEFINE_PCI_DEVICE_TABLE(ql3xxx_pci_tbl) = { +static const struct pci_device_id ql3xxx_pci_tbl[] = { {PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, QL3022_DEVICE_ID)}, {PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, QL3032_DEVICE_ID)}, /* required last entry */ diff --git a/drivers/net/ethernet/qlogic/qlcnic/Makefile b/drivers/net/ethernet/qlogic/qlcnic/Makefile index a848d2979722..3c2c2c7c1559 100644 --- a/drivers/net/ethernet/qlogic/qlcnic/Makefile +++ b/drivers/net/ethernet/qlogic/qlcnic/Makefile @@ -8,7 +8,7 @@ qlcnic-y := qlcnic_hw.o qlcnic_main.o qlcnic_init.o \ qlcnic_ethtool.o qlcnic_ctx.o qlcnic_io.o \ qlcnic_sysfs.o qlcnic_minidump.o qlcnic_83xx_hw.o \ qlcnic_83xx_init.o qlcnic_83xx_vnic.o \ - qlcnic_minidump.o qlcnic_sriov_common.o + qlcnic_sriov_common.o qlcnic-$(CONFIG_QLCNIC_SRIOV) += qlcnic_sriov_pf.o diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c index 59846daf1379..cf08b2de071e 100644 --- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c @@ -108,7 +108,7 @@ static u32 qlcnic_vlan_tx_check(struct qlcnic_adapter *adapter) {PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, (device)), \ .class = PCI_CLASS_NETWORK_ETHERNET << 8, .class_mask = ~0} -static DEFINE_PCI_DEVICE_TABLE(qlcnic_pci_tbl) = { +static const struct pci_device_id qlcnic_pci_tbl[] = { ENTRY(PCI_DEVICE_ID_QLOGIC_QLE824X), ENTRY(PCI_DEVICE_ID_QLOGIC_QLE834X), ENTRY(PCI_DEVICE_ID_QLOGIC_VF_QLE834X), diff --git a/drivers/net/ethernet/qlogic/qlge/qlge_main.c b/drivers/net/ethernet/qlogic/qlge/qlge_main.c index d836ace52277..188626e2a861 100644 --- a/drivers/net/ethernet/qlogic/qlge/qlge_main.c +++ b/drivers/net/ethernet/qlogic/qlge/qlge_main.c @@ -86,7 +86,7 @@ MODULE_PARM_DESC(qlge_force_coredump, "Option to allow force of firmware core dump. " "Default is OFF - Do not allow."); -static DEFINE_PCI_DEVICE_TABLE(qlge_pci_tbl) = { +static const struct pci_device_id qlge_pci_tbl[] = { {PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, QLGE_DEVICE_ID_8012)}, {PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, QLGE_DEVICE_ID_8000)}, /* required last entry */ diff --git a/drivers/net/ethernet/rdc/r6040.c b/drivers/net/ethernet/rdc/r6040.c index cd045ecb9816..9a37247cf4b8 100644 --- a/drivers/net/ethernet/rdc/r6040.c +++ b/drivers/net/ethernet/rdc/r6040.c @@ -1254,7 +1254,7 @@ static void r6040_remove_one(struct pci_dev *pdev) } -static DEFINE_PCI_DEVICE_TABLE(r6040_pci_tbl) = { +static const struct pci_device_id r6040_pci_tbl[] = { { PCI_DEVICE(PCI_VENDOR_ID_RDC, 0x6040) }, { 0 } }; diff --git a/drivers/net/ethernet/realtek/8139too.c b/drivers/net/ethernet/realtek/8139too.c index 2e5df148af4c..007b38cce69a 100644 --- a/drivers/net/ethernet/realtek/8139too.c +++ b/drivers/net/ethernet/realtek/8139too.c @@ -234,7 +234,7 @@ static const struct { }; -static DEFINE_PCI_DEVICE_TABLE(rtl8139_pci_tbl) = { +static const struct pci_device_id rtl8139_pci_tbl[] = { {0x10ec, 0x8139, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RTL8139 }, {0x10ec, 0x8138, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RTL8139 }, {0x1113, 0x1211, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RTL8139 }, diff --git a/drivers/net/ethernet/realtek/r8169.c b/drivers/net/ethernet/realtek/r8169.c index 9887bcb45b84..91652e7235e4 100644 --- a/drivers/net/ethernet/realtek/r8169.c +++ b/drivers/net/ethernet/realtek/r8169.c @@ -291,7 +291,7 @@ enum cfg_version { RTL_CFG_2 }; -static DEFINE_PCI_DEVICE_TABLE(rtl8169_pci_tbl) = { +static const struct pci_device_id rtl8169_pci_tbl[] = { { PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8129), 0, 0, RTL_CFG_0 }, { PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8136), 0, 0, RTL_CFG_2 }, { PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8167), 0, 0, RTL_CFG_0 }, diff --git a/drivers/net/ethernet/sfc/efx.c b/drivers/net/ethernet/sfc/efx.c index 4cebe9d37816..b2cc590dd1dd 100644 --- a/drivers/net/ethernet/sfc/efx.c +++ b/drivers/net/ethernet/sfc/efx.c @@ -2642,7 +2642,7 @@ void efx_schedule_reset(struct efx_nic *efx, enum reset_type type) **************************************************************************/ /* PCI device ID table */ -static DEFINE_PCI_DEVICE_TABLE(efx_pci_table) = { +static const struct pci_device_id efx_pci_table[] = { {PCI_DEVICE(PCI_VENDOR_ID_SOLARFLARE, PCI_DEVICE_ID_SOLARFLARE_SFC4000A_0), .driver_data = (unsigned long) &falcon_a1_nic_type}, diff --git a/drivers/net/ethernet/sgi/ioc3-eth.c b/drivers/net/ethernet/sgi/ioc3-eth.c index 7984ad05357d..7a254da85dd7 100644 --- a/drivers/net/ethernet/sgi/ioc3-eth.c +++ b/drivers/net/ethernet/sgi/ioc3-eth.c @@ -1384,7 +1384,7 @@ static void ioc3_remove_one(struct pci_dev *pdev) */ } -static DEFINE_PCI_DEVICE_TABLE(ioc3_pci_tbl) = { +static const struct pci_device_id ioc3_pci_tbl[] = { { PCI_VENDOR_ID_SGI, PCI_DEVICE_ID_SGI_IOC3, PCI_ANY_ID, PCI_ANY_ID }, { 0 } }; diff --git a/drivers/net/ethernet/silan/sc92031.c b/drivers/net/ethernet/silan/sc92031.c index 7daa7d433099..7426f8b21252 100644 --- a/drivers/net/ethernet/silan/sc92031.c +++ b/drivers/net/ethernet/silan/sc92031.c @@ -1561,7 +1561,7 @@ out: return 0; } -static DEFINE_PCI_DEVICE_TABLE(sc92031_pci_device_id_table) = { +static const struct pci_device_id sc92031_pci_device_id_table[] = { { PCI_DEVICE(PCI_VENDOR_ID_SILAN, 0x2031) }, { PCI_DEVICE(PCI_VENDOR_ID_SILAN, 0x8139) }, { PCI_DEVICE(0x1088, 0x2031) }, diff --git a/drivers/net/ethernet/sis/sis190.c b/drivers/net/ethernet/sis/sis190.c index a86339903b9b..27be6c869315 100644 --- a/drivers/net/ethernet/sis/sis190.c +++ b/drivers/net/ethernet/sis/sis190.c @@ -330,7 +330,7 @@ static const struct { { "SiS 191 PCI Gigabit Ethernet adapter" }, }; -static DEFINE_PCI_DEVICE_TABLE(sis190_pci_tbl) = { +static const struct pci_device_id sis190_pci_tbl[] = { { PCI_DEVICE(PCI_VENDOR_ID_SI, 0x0190), 0, 0, 0 }, { PCI_DEVICE(PCI_VENDOR_ID_SI, 0x0191), 0, 0, 1 }, { 0, }, diff --git a/drivers/net/ethernet/sis/sis900.c b/drivers/net/ethernet/sis/sis900.c index 7bea17c41dc9..fd812d2e5e1c 100644 --- a/drivers/net/ethernet/sis/sis900.c +++ b/drivers/net/ethernet/sis/sis900.c @@ -106,7 +106,8 @@ static const char * card_names[] = { "SiS 900 PCI Fast Ethernet", "SiS 7016 PCI Fast Ethernet" }; -static DEFINE_PCI_DEVICE_TABLE(sis900_pci_tbl) = { + +static const struct pci_device_id sis900_pci_tbl[] = { {PCI_VENDOR_ID_SI, PCI_DEVICE_ID_SI_900, PCI_ANY_ID, PCI_ANY_ID, 0, 0, SIS_900}, {PCI_VENDOR_ID_SI, PCI_DEVICE_ID_SI_7016, diff --git a/drivers/net/ethernet/smsc/epic100.c b/drivers/net/ethernet/smsc/epic100.c index 8ae1f8a7bf38..443f1da9fc9e 100644 --- a/drivers/net/ethernet/smsc/epic100.c +++ b/drivers/net/ethernet/smsc/epic100.c @@ -173,7 +173,7 @@ static const struct epic_chip_info pci_id_tbl[] = { }; -static DEFINE_PCI_DEVICE_TABLE(epic_pci_tbl) = { +static const struct pci_device_id epic_pci_tbl[] = { { 0x10B8, 0x0005, 0x1092, 0x0AB4, 0, 0, SMSC_83C170_0 }, { 0x10B8, 0x0005, PCI_ANY_ID, PCI_ANY_ID, 0, 0, SMSC_83C170 }, { 0x10B8, 0x0006, PCI_ANY_ID, PCI_ANY_ID, diff --git a/drivers/net/ethernet/smsc/smsc911x.h b/drivers/net/ethernet/smsc/smsc911x.h index 23953957fed8..54d648920a1b 100644 --- a/drivers/net/ethernet/smsc/smsc911x.h +++ b/drivers/net/ethernet/smsc/smsc911x.h @@ -51,7 +51,7 @@ #ifdef CONFIG_DEBUG_SPINLOCK #define SMSC_ASSERT_MAC_LOCK(pdata) \ - WARN_ON(!spin_is_locked(&pdata->mac_lock)) + WARN_ON_SMP(!spin_is_locked(&pdata->mac_lock)) #else #define SMSC_ASSERT_MAC_LOCK(pdata) do {} while (0) #endif /* CONFIG_DEBUG_SPINLOCK */ diff --git a/drivers/net/ethernet/smsc/smsc9420.c b/drivers/net/ethernet/smsc/smsc9420.c index d3b967aff9e0..4a90cdae5444 100644 --- a/drivers/net/ethernet/smsc/smsc9420.c +++ b/drivers/net/ethernet/smsc/smsc9420.c @@ -83,7 +83,7 @@ struct smsc9420_pdata { int last_carrier; }; -static DEFINE_PCI_DEVICE_TABLE(smsc9420_id_table) = { +static const struct pci_device_id smsc9420_id_table[] = { { PCI_VENDOR_ID_9420, PCI_DEVICE_ID_9420, PCI_ANY_ID, PCI_ANY_ID, }, { 0, } }; diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_pci.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_pci.c index 291608924849..655a23bbc451 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_pci.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_pci.c @@ -170,7 +170,7 @@ static int stmmac_pci_resume(struct pci_dev *pdev) #define STMMAC_VENDOR_ID 0x700 #define STMMAC_DEVICE_ID 0x1108 -static DEFINE_PCI_DEVICE_TABLE(stmmac_id_table) = { +static const struct pci_device_id stmmac_id_table[] = { {PCI_DEVICE(STMMAC_VENDOR_ID, STMMAC_DEVICE_ID)}, {PCI_DEVICE(PCI_VENDOR_ID_STMICRO, PCI_DEVICE_ID_STMICRO_MAC)}, {} diff --git a/drivers/net/ethernet/sun/cassini.c b/drivers/net/ethernet/sun/cassini.c index b9ac20f42651..37f87ff28f03 100644 --- a/drivers/net/ethernet/sun/cassini.c +++ b/drivers/net/ethernet/sun/cassini.c @@ -229,7 +229,7 @@ static u16 link_modes[] = { CAS_BMCR_SPEED1000|BMCR_FULLDPLX /* 5 : 1000bt full duplex */ }; -static DEFINE_PCI_DEVICE_TABLE(cas_pci_tbl) = { +static const struct pci_device_id cas_pci_tbl[] = { { PCI_VENDOR_ID_SUN, PCI_DEVICE_ID_SUN_CASSINI, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL }, { PCI_VENDOR_ID_NS, PCI_DEVICE_ID_NS_SATURN, diff --git a/drivers/net/ethernet/sun/niu.c b/drivers/net/ethernet/sun/niu.c index db8ffde491b5..8216be46540f 100644 --- a/drivers/net/ethernet/sun/niu.c +++ b/drivers/net/ethernet/sun/niu.c @@ -59,7 +59,7 @@ static void writeq(u64 val, void __iomem *reg) } #endif -static DEFINE_PCI_DEVICE_TABLE(niu_pci_tbl) = { +static const struct pci_device_id niu_pci_tbl[] = { {PCI_DEVICE(PCI_VENDOR_ID_SUN, 0xabcd)}, {} }; diff --git a/drivers/net/ethernet/sun/sungem.c b/drivers/net/ethernet/sun/sungem.c index 102a66fc54a2..f7415b6bf141 100644 --- a/drivers/net/ethernet/sun/sungem.c +++ b/drivers/net/ethernet/sun/sungem.c @@ -85,7 +85,7 @@ MODULE_LICENSE("GPL"); #define GEM_MODULE_NAME "gem" -static DEFINE_PCI_DEVICE_TABLE(gem_pci_tbl) = { +static const struct pci_device_id gem_pci_tbl[] = { { PCI_VENDOR_ID_SUN, PCI_DEVICE_ID_SUN_GEM, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL }, diff --git a/drivers/net/ethernet/sun/sunhme.c b/drivers/net/ethernet/sun/sunhme.c index 0dbf46f08ed5..72c8525d5457 100644 --- a/drivers/net/ethernet/sun/sunhme.c +++ b/drivers/net/ethernet/sun/sunhme.c @@ -3172,7 +3172,7 @@ static void happy_meal_pci_remove(struct pci_dev *pdev) free_netdev(net_dev); } -static DEFINE_PCI_DEVICE_TABLE(happymeal_pci_ids) = { +static const struct pci_device_id happymeal_pci_ids[] = { { PCI_DEVICE(PCI_VENDOR_ID_SUN, PCI_DEVICE_ID_SUN_HAPPYMEAL) }, { } /* Terminating entry */ }; diff --git a/drivers/net/ethernet/sun/sunvnet.c b/drivers/net/ethernet/sun/sunvnet.c index d813bfb1a847..23c89ab5a6ad 100644 --- a/drivers/net/ethernet/sun/sunvnet.c +++ b/drivers/net/ethernet/sun/sunvnet.c @@ -32,6 +32,11 @@ MODULE_DESCRIPTION("Sun LDOM virtual network driver"); MODULE_LICENSE("GPL"); MODULE_VERSION(DRV_MODULE_VERSION); +/* Heuristic for the number of times to exponentially backoff and + * retry sending an LDC trigger when EAGAIN is encountered + */ +#define VNET_MAX_RETRIES 10 + /* Ordered from largest major to lowest */ static struct vio_version vnet_versions[] = { { .major = 1, .minor = 0 }, @@ -260,6 +265,7 @@ static int vnet_send_ack(struct vnet_port *port, struct vio_dring_state *dr, .state = vio_dring_state, }; int err, delay; + int retries = 0; hdr.seq = dr->snd_nxt; delay = 1; @@ -272,6 +278,13 @@ static int vnet_send_ack(struct vnet_port *port, struct vio_dring_state *dr, udelay(delay); if ((delay <<= 1) > 128) delay = 128; + if (retries++ > VNET_MAX_RETRIES) { + pr_info("ECONNRESET %x:%x:%x:%x:%x:%x\n", + port->raddr[0], port->raddr[1], + port->raddr[2], port->raddr[3], + port->raddr[4], port->raddr[5]); + err = -ECONNRESET; + } } while (err == -EAGAIN); return err; @@ -475,8 +488,9 @@ static int handle_mcast(struct vnet_port *port, void *msgbuf) return 0; } -static void maybe_tx_wakeup(struct vnet *vp) +static void maybe_tx_wakeup(unsigned long param) { + struct vnet *vp = (struct vnet *)param; struct net_device *dev = vp->dev; netif_tx_lock(dev); @@ -573,8 +587,13 @@ static void vnet_event(void *arg, int event) break; } spin_unlock(&vio->lock); + /* Kick off a tasklet to wake the queue. We cannot call + * maybe_tx_wakeup directly here because we could deadlock on + * netif_tx_lock() with dev_watchdog() + */ if (unlikely(tx_wakeup && err != -ECONNRESET)) - maybe_tx_wakeup(port->vp); + tasklet_schedule(&port->vp->vnet_tx_wakeup); + local_irq_restore(flags); } @@ -593,6 +612,7 @@ static int __vnet_tx_trigger(struct vnet_port *port) .end_idx = (u32) -1, }; int err, delay; + int retries = 0; hdr.seq = dr->snd_nxt; delay = 1; @@ -605,6 +625,8 @@ static int __vnet_tx_trigger(struct vnet_port *port) udelay(delay); if ((delay <<= 1) > 128) delay = 128; + if (retries++ > VNET_MAX_RETRIES) + break; } while (err == -EAGAIN); return err; @@ -691,7 +713,15 @@ static int vnet_start_xmit(struct sk_buff *skb, struct net_device *dev) memset(tx_buf+VNET_PACKET_SKIP+skb->len, 0, len - skb->len); } - d->hdr.ack = VIO_ACK_ENABLE; + /* We don't rely on the ACKs to free the skb in vnet_start_xmit(), + * thus it is safe to not set VIO_ACK_ENABLE for each transmission: + * the protocol itself does not require it as long as the peer + * sends a VIO_SUBTYPE_ACK for VIO_DRING_STOPPED. + * + * An ACK for every packet in the ring is expensive as the + * sending of LDC messages is slow and affects performance. + */ + d->hdr.ack = VIO_ACK_DISABLE; d->size = len; d->ncookies = port->tx_bufs[dr->prod].ncookies; for (i = 0; i < d->ncookies; i++) @@ -1046,6 +1076,7 @@ static struct vnet *vnet_new(const u64 *local_mac) vp = netdev_priv(dev); spin_lock_init(&vp->lock); + tasklet_init(&vp->vnet_tx_wakeup, maybe_tx_wakeup, (unsigned long)vp); vp->dev = dev; INIT_LIST_HEAD(&vp->port_list); @@ -1105,6 +1136,7 @@ static void vnet_cleanup(void) vp = list_first_entry(&vnet_list, struct vnet, list); list_del(&vp->list); dev = vp->dev; + tasklet_kill(&vp->vnet_tx_wakeup); /* vio_unregister_driver() should have cleaned up port_list */ BUG_ON(!list_empty(&vp->port_list)); unregister_netdev(dev); diff --git a/drivers/net/ethernet/sun/sunvnet.h b/drivers/net/ethernet/sun/sunvnet.h index d347a5bf24b0..de5c2c64996f 100644 --- a/drivers/net/ethernet/sun/sunvnet.h +++ b/drivers/net/ethernet/sun/sunvnet.h @@ -1,6 +1,8 @@ #ifndef _SUNVNET_H #define _SUNVNET_H +#include <linux/interrupt.h> + #define DESC_NCOOKIES(entry_size) \ ((entry_size) - sizeof(struct vio_net_desc)) @@ -78,6 +80,8 @@ struct vnet { struct list_head list; u64 local_mac; + + struct tasklet_struct vnet_tx_wakeup; }; #endif /* _SUNVNET_H */ diff --git a/drivers/net/ethernet/tehuti/tehuti.c b/drivers/net/ethernet/tehuti/tehuti.c index 38da73a2a886..6ab36d9ff2ab 100644 --- a/drivers/net/ethernet/tehuti/tehuti.c +++ b/drivers/net/ethernet/tehuti/tehuti.c @@ -66,7 +66,7 @@ #include "tehuti.h" -static DEFINE_PCI_DEVICE_TABLE(bdx_pci_tbl) = { +static const struct pci_device_id bdx_pci_tbl[] = { { PCI_VDEVICE(TEHUTI, 0x3009), }, { PCI_VDEVICE(TEHUTI, 0x3010), }, { PCI_VDEVICE(TEHUTI, 0x3014), }, diff --git a/drivers/net/ethernet/ti/cpmac.c b/drivers/net/ethernet/ti/cpmac.c index 3809f4ec2820..f9bcf7aa88ca 100644 --- a/drivers/net/ethernet/ti/cpmac.c +++ b/drivers/net/ethernet/ti/cpmac.c @@ -1130,6 +1130,7 @@ static int cpmac_probe(struct platform_device *pdev) strncpy(mdio_bus_id, "fixed-0", MII_BUS_ID_SIZE); /* fixed phys bus */ phy_id = pdev->id; } + mdio_bus_id[sizeof(mdio_bus_id) - 1] = '\0'; dev = alloc_etherdev_mq(sizeof(*priv), CPMAC_QUEUES); if (!dev) diff --git a/drivers/net/ethernet/ti/tlan.c b/drivers/net/ethernet/ti/tlan.c index 6078342fe3f2..f2ff0074aac9 100644 --- a/drivers/net/ethernet/ti/tlan.c +++ b/drivers/net/ethernet/ti/tlan.c @@ -116,7 +116,7 @@ static struct board { TLAN_ADAPTER_ACTIVITY_LED, 0x83 }, /* EISA card */ }; -static DEFINE_PCI_DEVICE_TABLE(tlan_pci_tbl) = { +static const struct pci_device_id tlan_pci_tbl[] = { { PCI_VENDOR_ID_COMPAQ, PCI_DEVICE_ID_COMPAQ_NETEL10, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, { PCI_VENDOR_ID_COMPAQ, PCI_DEVICE_ID_COMPAQ_NETEL100, diff --git a/drivers/net/ethernet/toshiba/spider_net.c b/drivers/net/ethernet/toshiba/spider_net.c index 0282d0161859..3e38f67c6011 100644 --- a/drivers/net/ethernet/toshiba/spider_net.c +++ b/drivers/net/ethernet/toshiba/spider_net.c @@ -73,7 +73,7 @@ MODULE_PARM_DESC(tx_descriptors, "number of descriptors used " \ char spider_net_driver_name[] = "spidernet"; -static DEFINE_PCI_DEVICE_TABLE(spider_net_pci_tbl) = { +static const struct pci_device_id spider_net_pci_tbl[] = { { PCI_VENDOR_ID_TOSHIBA_2, PCI_DEVICE_ID_TOSHIBA_SPIDER_NET, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL }, { 0, } diff --git a/drivers/net/ethernet/toshiba/tc35815.c b/drivers/net/ethernet/toshiba/tc35815.c index fef5573dbfca..45ac38d29ed8 100644 --- a/drivers/net/ethernet/toshiba/tc35815.c +++ b/drivers/net/ethernet/toshiba/tc35815.c @@ -65,7 +65,7 @@ static const struct { { "TOSHIBA TC35815/TX4939" }, }; -static DEFINE_PCI_DEVICE_TABLE(tc35815_pci_tbl) = { +static const struct pci_device_id tc35815_pci_tbl[] = { {PCI_DEVICE(PCI_VENDOR_ID_TOSHIBA_2, PCI_DEVICE_ID_TOSHIBA_TC35815CF), .driver_data = TC35815CF }, {PCI_DEVICE(PCI_VENDOR_ID_TOSHIBA_2, PCI_DEVICE_ID_TOSHIBA_TC35815_NWU), .driver_data = TC35815_NWU }, {PCI_DEVICE(PCI_VENDOR_ID_TOSHIBA_2, PCI_DEVICE_ID_TOSHIBA_TC35815_TX4939), .driver_data = TC35815_TX4939 }, diff --git a/drivers/net/ethernet/via/via-rhine.c b/drivers/net/ethernet/via/via-rhine.c index 2d72f96a9e2c..68c5260cc322 100644 --- a/drivers/net/ethernet/via/via-rhine.c +++ b/drivers/net/ethernet/via/via-rhine.c @@ -273,7 +273,7 @@ enum rhine_quirks { /* Beware of PCI posted writes */ #define IOSYNC do { ioread8(ioaddr + StationAddr); } while (0) -static DEFINE_PCI_DEVICE_TABLE(rhine_pci_tbl) = { +static const struct pci_device_id rhine_pci_tbl[] = { { 0x1106, 0x3043, PCI_ANY_ID, PCI_ANY_ID, }, /* VT86C100A */ { 0x1106, 0x3065, PCI_ANY_ID, PCI_ANY_ID, }, /* VT6102 */ { 0x1106, 0x3106, PCI_ANY_ID, PCI_ANY_ID, }, /* 6105{,L,LOM} */ diff --git a/drivers/net/ethernet/via/via-velocity.c b/drivers/net/ethernet/via/via-velocity.c index de08e86db209..f5fbc12d3e10 100644 --- a/drivers/net/ethernet/via/via-velocity.c +++ b/drivers/net/ethernet/via/via-velocity.c @@ -381,7 +381,7 @@ static struct velocity_info_tbl chip_info_table[] = { * device driver. Used for hotplug autoloading. */ -static DEFINE_PCI_DEVICE_TABLE(velocity_pci_id_table) = { +static const struct pci_device_id velocity_pci_id_table[] = { { PCI_DEVICE(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_612X) }, { } }; diff --git a/drivers/net/ethernet/xilinx/ll_temac_main.c b/drivers/net/ethernet/xilinx/ll_temac_main.c index 8a6e5c2d6f95..fda5891835d4 100644 --- a/drivers/net/ethernet/xilinx/ll_temac_main.c +++ b/drivers/net/ethernet/xilinx/ll_temac_main.c @@ -1148,8 +1148,7 @@ static int temac_of_remove(struct platform_device *op) temac_mdio_teardown(lp); unregister_netdev(ndev); sysfs_remove_group(&lp->dev->kobj, &temac_attr_group); - if (lp->phy_node) - of_node_put(lp->phy_node); + of_node_put(lp->phy_node); lp->phy_node = NULL; iounmap(lp->regs); if (lp->sdma_regs) @@ -1171,7 +1170,6 @@ static struct platform_driver temac_of_driver = { .probe = temac_of_probe, .remove = temac_of_remove, .driver = { - .owner = THIS_MODULE, .name = "xilinx_temac", .of_match_table = temac_of_match, }, diff --git a/drivers/net/ethernet/xilinx/xilinx_axienet_main.c b/drivers/net/ethernet/xilinx/xilinx_axienet_main.c index 7b0a73556264..c8fd94133ecd 100644 --- a/drivers/net/ethernet/xilinx/xilinx_axienet_main.c +++ b/drivers/net/ethernet/xilinx/xilinx_axienet_main.c @@ -1630,8 +1630,7 @@ static int axienet_of_remove(struct platform_device *op) axienet_mdio_teardown(lp); unregister_netdev(ndev); - if (lp->phy_node) - of_node_put(lp->phy_node); + of_node_put(lp->phy_node); lp->phy_node = NULL; iounmap(lp->regs); @@ -1646,7 +1645,6 @@ static struct platform_driver axienet_of_driver = { .probe = axienet_of_probe, .remove = axienet_of_remove, .driver = { - .owner = THIS_MODULE, .name = "xilinx_axienet", .of_match_table = axienet_of_match, }, diff --git a/drivers/net/ethernet/xilinx/xilinx_emaclite.c b/drivers/net/ethernet/xilinx/xilinx_emaclite.c index 782bb9373cd8..28dbbdc393eb 100644 --- a/drivers/net/ethernet/xilinx/xilinx_emaclite.c +++ b/drivers/net/ethernet/xilinx/xilinx_emaclite.c @@ -1245,7 +1245,6 @@ MODULE_DEVICE_TABLE(of, xemaclite_of_match); static struct platform_driver xemaclite_of_driver = { .driver = { .name = DRIVER_NAME, - .owner = THIS_MODULE, .of_match_table = xemaclite_of_match, }, .probe = xemaclite_of_probe, diff --git a/drivers/net/ethernet/xircom/xirc2ps_cs.c b/drivers/net/ethernet/xircom/xirc2ps_cs.c index 7c81ffb861e8..d56f8693202b 100644 --- a/drivers/net/ethernet/xircom/xirc2ps_cs.c +++ b/drivers/net/ethernet/xircom/xirc2ps_cs.c @@ -266,7 +266,7 @@ static void xirc2ps_detach(struct pcmcia_device *p_dev); static irqreturn_t xirc2ps_interrupt(int irq, void *dev_id); -typedef struct local_info_t { +struct local_info { struct net_device *dev; struct pcmcia_device *p_dev; @@ -281,7 +281,7 @@ typedef struct local_info_t { unsigned last_ptr_value; /* last packets transmitted value */ const char *manf_str; struct work_struct tx_timeout_task; -} local_info_t; +}; /**************** * Some more prototypes @@ -475,12 +475,12 @@ static int xirc2ps_probe(struct pcmcia_device *link) { struct net_device *dev; - local_info_t *local; + struct local_info *local; dev_dbg(&link->dev, "attach()\n"); /* Allocate the device structure */ - dev = alloc_etherdev(sizeof(local_info_t)); + dev = alloc_etherdev(sizeof(struct local_info)); if (!dev) return -ENOMEM; local = netdev_priv(dev); @@ -536,7 +536,7 @@ static int set_card_type(struct pcmcia_device *link) { struct net_device *dev = link->priv; - local_info_t *local = netdev_priv(dev); + struct local_info *local = netdev_priv(dev); u8 *buf; unsigned int cisrev, mediaid, prodid; size_t len; @@ -690,7 +690,7 @@ static int xirc2ps_config(struct pcmcia_device * link) { struct net_device *dev = link->priv; - local_info_t *local = netdev_priv(dev); + struct local_info *local = netdev_priv(dev); unsigned int ioaddr; int err; u8 *buf; @@ -931,7 +931,7 @@ xirc2ps_release(struct pcmcia_device *link) if (link->resource[2]->end) { struct net_device *dev = link->priv; - local_info_t *local = netdev_priv(dev); + struct local_info *local = netdev_priv(dev); if (local->dingo) iounmap(local->dingo_ccr - 0x0800); } @@ -975,7 +975,7 @@ static irqreturn_t xirc2ps_interrupt(int irq, void *dev_id) { struct net_device *dev = (struct net_device *)dev_id; - local_info_t *lp = netdev_priv(dev); + struct local_info *lp = netdev_priv(dev); unsigned int ioaddr; u_char saved_page; unsigned bytes_rcvd; @@ -1194,8 +1194,8 @@ xirc2ps_interrupt(int irq, void *dev_id) static void xirc2ps_tx_timeout_task(struct work_struct *work) { - local_info_t *local = - container_of(work, local_info_t, tx_timeout_task); + struct local_info *local = + container_of(work, struct local_info, tx_timeout_task); struct net_device *dev = local->dev; /* reset the card */ do_reset(dev,1); @@ -1206,7 +1206,7 @@ xirc2ps_tx_timeout_task(struct work_struct *work) static void xirc_tx_timeout(struct net_device *dev) { - local_info_t *lp = netdev_priv(dev); + struct local_info *lp = netdev_priv(dev); dev->stats.tx_errors++; netdev_notice(dev, "transmit timed out\n"); schedule_work(&lp->tx_timeout_task); @@ -1215,7 +1215,7 @@ xirc_tx_timeout(struct net_device *dev) static netdev_tx_t do_start_xmit(struct sk_buff *skb, struct net_device *dev) { - local_info_t *lp = netdev_priv(dev); + struct local_info *lp = netdev_priv(dev); unsigned int ioaddr = dev->base_addr; int okay; unsigned freespace; @@ -1300,7 +1300,7 @@ static void set_address(struct set_address_info *sa_info, char *addr) static void set_addresses(struct net_device *dev) { unsigned int ioaddr = dev->base_addr; - local_info_t *lp = netdev_priv(dev); + struct local_info *lp = netdev_priv(dev); struct netdev_hw_addr *ha; struct set_address_info sa_info; int i; @@ -1362,7 +1362,7 @@ set_multicast_list(struct net_device *dev) static int do_config(struct net_device *dev, struct ifmap *map) { - local_info_t *local = netdev_priv(dev); + struct local_info *local = netdev_priv(dev); pr_debug("do_config(%p)\n", dev); if (map->port != 255 && map->port != dev->if_port) { @@ -1387,7 +1387,7 @@ do_config(struct net_device *dev, struct ifmap *map) static int do_open(struct net_device *dev) { - local_info_t *lp = netdev_priv(dev); + struct local_info *lp = netdev_priv(dev); struct pcmcia_device *link = lp->p_dev; dev_dbg(&link->dev, "do_open(%p)\n", dev); @@ -1421,7 +1421,7 @@ static const struct ethtool_ops netdev_ethtool_ops = { static int do_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) { - local_info_t *local = netdev_priv(dev); + struct local_info *local = netdev_priv(dev); unsigned int ioaddr = dev->base_addr; struct mii_ioctl_data *data = if_mii(rq); @@ -1453,7 +1453,7 @@ do_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) static void hardreset(struct net_device *dev) { - local_info_t *local = netdev_priv(dev); + struct local_info *local = netdev_priv(dev); unsigned int ioaddr = dev->base_addr; SelectPage(4); @@ -1470,7 +1470,7 @@ hardreset(struct net_device *dev) static void do_reset(struct net_device *dev, int full) { - local_info_t *local = netdev_priv(dev); + struct local_info *local = netdev_priv(dev); unsigned int ioaddr = dev->base_addr; unsigned value; @@ -1631,7 +1631,7 @@ do_reset(struct net_device *dev, int full) static int init_mii(struct net_device *dev) { - local_info_t *local = netdev_priv(dev); + struct local_info *local = netdev_priv(dev); unsigned int ioaddr = dev->base_addr; unsigned control, status, linkpartner; int i; @@ -1715,7 +1715,7 @@ static int do_stop(struct net_device *dev) { unsigned int ioaddr = dev->base_addr; - local_info_t *lp = netdev_priv(dev); + struct local_info *lp = netdev_priv(dev); struct pcmcia_device *link = lp->p_dev; dev_dbg(&link->dev, "do_stop(%p)\n", dev); diff --git a/drivers/net/fddi/defxx.c b/drivers/net/fddi/defxx.c index 6eb849a56da5..c44eaf019dea 100644 --- a/drivers/net/fddi/defxx.c +++ b/drivers/net/fddi/defxx.c @@ -3664,7 +3664,7 @@ static int __maybe_unused dfx_dev_unregister(struct device *); static int dfx_pci_register(struct pci_dev *, const struct pci_device_id *); static void dfx_pci_unregister(struct pci_dev *); -static DEFINE_PCI_DEVICE_TABLE(dfx_pci_table) = { +static const struct pci_device_id dfx_pci_table[] = { { PCI_DEVICE(PCI_VENDOR_ID_DEC, PCI_DEVICE_ID_DEC_FDDI) }, { } }; diff --git a/drivers/net/fddi/skfp/skfddi.c b/drivers/net/fddi/skfp/skfddi.c index d5f58121b2e2..51acc6d86e91 100644 --- a/drivers/net/fddi/skfp/skfddi.c +++ b/drivers/net/fddi/skfp/skfddi.c @@ -149,7 +149,7 @@ extern void mac_drv_rx_mode(struct s_smc *smc, int mode); extern void mac_drv_clear_rx_queue(struct s_smc *smc); extern void enable_tx_irq(struct s_smc *smc, u_short queue); -static DEFINE_PCI_DEVICE_TABLE(skfddi_pci_tbl) = { +static const struct pci_device_id skfddi_pci_tbl[] = { { PCI_VENDOR_ID_SK, PCI_DEVICE_ID_SK_FP, PCI_ANY_ID, PCI_ANY_ID, }, { } /* Terminating entry */ }; diff --git a/drivers/net/hippi/rrunner.c b/drivers/net/hippi/rrunner.c index e580583f196d..95c0b45a68fb 100644 --- a/drivers/net/hippi/rrunner.c +++ b/drivers/net/hippi/rrunner.c @@ -1668,7 +1668,7 @@ static int rr_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) } } -static DEFINE_PCI_DEVICE_TABLE(rr_pci_tbl) = { +static const struct pci_device_id rr_pci_tbl[] = { { PCI_VENDOR_ID_ESSENTIAL, PCI_DEVICE_ID_ESSENTIAL_ROADRUNNER, PCI_ANY_ID, PCI_ANY_ID, }, { 0,} diff --git a/drivers/net/irda/donauboe.c b/drivers/net/irda/donauboe.c index 768dfe9a9315..a87a82ca111f 100644 --- a/drivers/net/irda/donauboe.c +++ b/drivers/net/irda/donauboe.c @@ -184,7 +184,7 @@ #define CONFIG0H_DMA_ON_NORX CONFIG0H_DMA_OFF| OBOE_CONFIG0H_ENDMAC #define CONFIG0H_DMA_ON CONFIG0H_DMA_ON_NORX | OBOE_CONFIG0H_ENRX -static DEFINE_PCI_DEVICE_TABLE(toshoboe_pci_tbl) = { +static const struct pci_device_id toshoboe_pci_tbl[] = { { PCI_VENDOR_ID_TOSHIBA, PCI_DEVICE_ID_FIR701, PCI_ANY_ID, PCI_ANY_ID, }, { PCI_VENDOR_ID_TOSHIBA, PCI_DEVICE_ID_FIRD01, PCI_ANY_ID, PCI_ANY_ID, }, { } /* Terminating entry */ @@ -1755,17 +1755,4 @@ static struct pci_driver donauboe_pci_driver = { .resume = toshoboe_wakeup }; -static int __init -donauboe_init (void) -{ - return pci_register_driver(&donauboe_pci_driver); -} - -static void __exit -donauboe_cleanup (void) -{ - pci_unregister_driver(&donauboe_pci_driver); -} - -module_init(donauboe_init); -module_exit(donauboe_cleanup); +module_pci_driver(donauboe_pci_driver); diff --git a/drivers/net/irda/via-ircc.c b/drivers/net/irda/via-ircc.c index 998bb89ede71..36e004288ea7 100644 --- a/drivers/net/irda/via-ircc.c +++ b/drivers/net/irda/via-ircc.c @@ -115,7 +115,7 @@ static void iodelay(int udelay) } } -static DEFINE_PCI_DEVICE_TABLE(via_pci_tbl) = { +static const struct pci_device_id via_pci_tbl[] = { { PCI_VENDOR_ID_VIA, 0x8231, PCI_ANY_ID, PCI_ANY_ID,0,0,0 }, { PCI_VENDOR_ID_VIA, 0x3109, PCI_ANY_ID, PCI_ANY_ID,0,0,1 }, { PCI_VENDOR_ID_VIA, 0x3074, PCI_ANY_ID, PCI_ANY_ID,0,0,2 }, diff --git a/drivers/net/irda/vlsi_ir.c b/drivers/net/irda/vlsi_ir.c index 58ef59469dd0..a04af9d0f8f9 100644 --- a/drivers/net/irda/vlsi_ir.c +++ b/drivers/net/irda/vlsi_ir.c @@ -58,7 +58,7 @@ MODULE_LICENSE("GPL"); static /* const */ char drivername[] = DRIVER_NAME; -static DEFINE_PCI_DEVICE_TABLE(vlsi_irda_table) = { +static const struct pci_device_id vlsi_irda_table[] = { { .class = PCI_CLASS_WIRELESS_IRDA << 8, .class_mask = PCI_CLASS_SUBCLASS_MASK << 8, diff --git a/drivers/net/macvlan.c b/drivers/net/macvlan.c index ef8a5c20236a..60e4ca01ccbb 100644 --- a/drivers/net/macvlan.c +++ b/drivers/net/macvlan.c @@ -45,10 +45,9 @@ struct macvlan_port { struct sk_buff_head bc_queue; struct work_struct bc_work; bool passthru; + int count; }; -#define MACVLAN_PORT_IS_EMPTY(port) list_empty(&port->vlans) - struct macvlan_skb_cb { const struct macvlan_dev *src; }; @@ -667,7 +666,8 @@ static void macvlan_uninit(struct net_device *dev) free_percpu(vlan->pcpu_stats); - if (MACVLAN_PORT_IS_EMPTY(port)) + port->count -= 1; + if (!port->count) macvlan_port_destroy(port->dev); } @@ -1020,12 +1020,13 @@ int macvlan_common_newlink(struct net *src_net, struct net_device *dev, vlan->flags = nla_get_u16(data[IFLA_MACVLAN_FLAGS]); if (vlan->mode == MACVLAN_MODE_PASSTHRU) { - if (!MACVLAN_PORT_IS_EMPTY(port)) + if (port->count) return -EINVAL; port->passthru = true; eth_hw_addr_inherit(dev, lowerdev); } + port->count += 1; err = register_netdevice(dev); if (err < 0) goto destroy_port; @@ -1043,7 +1044,8 @@ int macvlan_common_newlink(struct net *src_net, struct net_device *dev, unregister_netdev: unregister_netdevice(dev); destroy_port: - if (MACVLAN_PORT_IS_EMPTY(port)) + port->count -= 1; + if (!port->count) macvlan_port_destroy(lowerdev); return err; diff --git a/drivers/net/vmxnet3/vmxnet3_drv.c b/drivers/net/vmxnet3/vmxnet3_drv.c index d0db371c30a7..d6e90c72c257 100644 --- a/drivers/net/vmxnet3/vmxnet3_drv.c +++ b/drivers/net/vmxnet3/vmxnet3_drv.c @@ -36,7 +36,7 @@ char vmxnet3_driver_name[] = "vmxnet3"; * PCI Device ID Table * Last entry must be all 0s */ -static DEFINE_PCI_DEVICE_TABLE(vmxnet3_pciid_table) = { +static const struct pci_device_id vmxnet3_pciid_table[] = { {PCI_VDEVICE(VMWARE, PCI_DEVICE_ID_VMWARE_VMXNET3)}, {0} }; diff --git a/drivers/net/wan/dscc4.c b/drivers/net/wan/dscc4.c index 288610df205c..08223569cebd 100644 --- a/drivers/net/wan/dscc4.c +++ b/drivers/net/wan/dscc4.c @@ -2039,7 +2039,7 @@ static int __init dscc4_setup(char *str) __setup("dscc4.setup=", dscc4_setup); #endif -static DEFINE_PCI_DEVICE_TABLE(dscc4_pci_tbl) = { +static const struct pci_device_id dscc4_pci_tbl[] = { { PCI_VENDOR_ID_SIEMENS, PCI_DEVICE_ID_SIEMENS_DSCC4, PCI_ANY_ID, PCI_ANY_ID, }, { 0,} diff --git a/drivers/net/wan/farsync.c b/drivers/net/wan/farsync.c index 1f041271f7fe..44541dbc5c28 100644 --- a/drivers/net/wan/farsync.c +++ b/drivers/net/wan/farsync.c @@ -531,7 +531,7 @@ do { \ /* * PCI ID lookup table */ -static DEFINE_PCI_DEVICE_TABLE(fst_pci_dev_id) = { +static const struct pci_device_id fst_pci_dev_id[] = { {PCI_VENDOR_ID_FARSITE, PCI_DEVICE_ID_FARSITE_T2P, PCI_ANY_ID, PCI_ANY_ID, 0, 0, FST_TYPE_T2P}, diff --git a/drivers/net/wan/hdlc_fr.c b/drivers/net/wan/hdlc_fr.c index 7cc64eac0fa3..e5c7e6165a4b 100644 --- a/drivers/net/wan/hdlc_fr.c +++ b/drivers/net/wan/hdlc_fr.c @@ -90,7 +90,7 @@ #define LMI_ANSI_LENGTH 14 -typedef struct { +struct fr_hdr { #if defined(__LITTLE_ENDIAN_BITFIELD) unsigned ea1: 1; unsigned cr: 1; @@ -112,14 +112,14 @@ typedef struct { unsigned de: 1; unsigned ea2: 1; #endif -}__packed fr_hdr; +} __packed; -typedef struct pvc_device_struct { +struct pvc_device { struct net_device *frad; struct net_device *main; struct net_device *ether; /* bridged Ethernet interface */ - struct pvc_device_struct *next; /* Sorted in ascending DLCI order */ + struct pvc_device *next; /* Sorted in ascending DLCI order */ int dlci; int open_count; @@ -132,11 +132,11 @@ typedef struct pvc_device_struct { unsigned int becn: 1; unsigned int bandwidth; /* Cisco LMI reporting only */ }state; -}pvc_device; +}; struct frad_state { fr_proto settings; - pvc_device *first_pvc; + struct pvc_device *first_pvc; int dce_pvc_count; struct timer_list timer; @@ -174,9 +174,9 @@ static inline struct frad_state* state(hdlc_device *hdlc) } -static inline pvc_device* find_pvc(hdlc_device *hdlc, u16 dlci) +static inline struct pvc_device *find_pvc(hdlc_device *hdlc, u16 dlci) { - pvc_device *pvc = state(hdlc)->first_pvc; + struct pvc_device *pvc = state(hdlc)->first_pvc; while (pvc) { if (pvc->dlci == dlci) @@ -190,10 +190,10 @@ static inline pvc_device* find_pvc(hdlc_device *hdlc, u16 dlci) } -static pvc_device* add_pvc(struct net_device *dev, u16 dlci) +static struct pvc_device *add_pvc(struct net_device *dev, u16 dlci) { hdlc_device *hdlc = dev_to_hdlc(dev); - pvc_device *pvc, **pvc_p = &state(hdlc)->first_pvc; + struct pvc_device *pvc, **pvc_p = &state(hdlc)->first_pvc; while (*pvc_p) { if ((*pvc_p)->dlci == dlci) @@ -203,7 +203,7 @@ static pvc_device* add_pvc(struct net_device *dev, u16 dlci) pvc_p = &(*pvc_p)->next; } - pvc = kzalloc(sizeof(pvc_device), GFP_ATOMIC); + pvc = kzalloc(sizeof(*pvc), GFP_ATOMIC); #ifdef DEBUG_PVC printk(KERN_DEBUG "add_pvc: allocated pvc %p, frad %p\n", pvc, dev); #endif @@ -218,13 +218,13 @@ static pvc_device* add_pvc(struct net_device *dev, u16 dlci) } -static inline int pvc_is_used(pvc_device *pvc) +static inline int pvc_is_used(struct pvc_device *pvc) { return pvc->main || pvc->ether; } -static inline void pvc_carrier(int on, pvc_device *pvc) +static inline void pvc_carrier(int on, struct pvc_device *pvc) { if (on) { if (pvc->main) @@ -246,11 +246,11 @@ static inline void pvc_carrier(int on, pvc_device *pvc) static inline void delete_unused_pvcs(hdlc_device *hdlc) { - pvc_device **pvc_p = &state(hdlc)->first_pvc; + struct pvc_device **pvc_p = &state(hdlc)->first_pvc; while (*pvc_p) { if (!pvc_is_used(*pvc_p)) { - pvc_device *pvc = *pvc_p; + struct pvc_device *pvc = *pvc_p; #ifdef DEBUG_PVC printk(KERN_DEBUG "freeing unused pvc: %p\n", pvc); #endif @@ -263,7 +263,8 @@ static inline void delete_unused_pvcs(hdlc_device *hdlc) } -static inline struct net_device** get_dev_p(pvc_device *pvc, int type) +static inline struct net_device **get_dev_p(struct pvc_device *pvc, + int type) { if (type == ARPHRD_ETHER) return &pvc->ether; @@ -342,7 +343,7 @@ static int fr_hard_header(struct sk_buff **skb_p, u16 dlci) static int pvc_open(struct net_device *dev) { - pvc_device *pvc = dev->ml_priv; + struct pvc_device *pvc = dev->ml_priv; if ((pvc->frad->flags & IFF_UP) == 0) return -EIO; /* Frad must be UP in order to activate PVC */ @@ -362,7 +363,7 @@ static int pvc_open(struct net_device *dev) static int pvc_close(struct net_device *dev) { - pvc_device *pvc = dev->ml_priv; + struct pvc_device *pvc = dev->ml_priv; if (--pvc->open_count == 0) { hdlc_device *hdlc = dev_to_hdlc(pvc->frad); @@ -381,7 +382,7 @@ static int pvc_close(struct net_device *dev) static int pvc_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) { - pvc_device *pvc = dev->ml_priv; + struct pvc_device *pvc = dev->ml_priv; fr_proto_pvc_info info; if (ifr->ifr_settings.type == IF_GET_PROTO) { @@ -409,7 +410,7 @@ static int pvc_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) static netdev_tx_t pvc_xmit(struct sk_buff *skb, struct net_device *dev) { - pvc_device *pvc = dev->ml_priv; + struct pvc_device *pvc = dev->ml_priv; if (pvc->state.active) { if (dev->type == ARPHRD_ETHER) { @@ -444,7 +445,7 @@ static netdev_tx_t pvc_xmit(struct sk_buff *skb, struct net_device *dev) return NETDEV_TX_OK; } -static inline void fr_log_dlci_active(pvc_device *pvc) +static inline void fr_log_dlci_active(struct pvc_device *pvc) { netdev_info(pvc->frad, "DLCI %d [%s%s%s]%s %s\n", pvc->dlci, @@ -469,7 +470,7 @@ static void fr_lmi_send(struct net_device *dev, int fullrep) { hdlc_device *hdlc = dev_to_hdlc(dev); struct sk_buff *skb; - pvc_device *pvc = state(hdlc)->first_pvc; + struct pvc_device *pvc = state(hdlc)->first_pvc; int lmi = state(hdlc)->settings.lmi; int dce = state(hdlc)->settings.dce; int len = lmi == LMI_ANSI ? LMI_ANSI_LENGTH : LMI_CCITT_CISCO_LENGTH; @@ -566,7 +567,7 @@ static void fr_lmi_send(struct net_device *dev, int fullrep) static void fr_set_link_state(int reliable, struct net_device *dev) { hdlc_device *hdlc = dev_to_hdlc(dev); - pvc_device *pvc = state(hdlc)->first_pvc; + struct pvc_device *pvc = state(hdlc)->first_pvc; state(hdlc)->reliable = reliable; if (reliable) { @@ -652,7 +653,7 @@ static void fr_timer(unsigned long arg) static int fr_lmi_recv(struct net_device *dev, struct sk_buff *skb) { hdlc_device *hdlc = dev_to_hdlc(dev); - pvc_device *pvc; + struct pvc_device *pvc; u8 rxseq, txseq; int lmi = state(hdlc)->settings.lmi; int dce = state(hdlc)->settings.dce; @@ -869,10 +870,10 @@ static int fr_rx(struct sk_buff *skb) { struct net_device *frad = skb->dev; hdlc_device *hdlc = dev_to_hdlc(frad); - fr_hdr *fh = (fr_hdr*)skb->data; + struct fr_hdr *fh = (struct fr_hdr *)skb->data; u8 *data = skb->data; u16 dlci; - pvc_device *pvc; + struct pvc_device *pvc; struct net_device *dev = NULL; if (skb->len <= 4 || fh->ea1 || data[2] != FR_UI) @@ -1028,7 +1029,7 @@ static void fr_stop(struct net_device *dev) static void fr_close(struct net_device *dev) { hdlc_device *hdlc = dev_to_hdlc(dev); - pvc_device *pvc = state(hdlc)->first_pvc; + struct pvc_device *pvc = state(hdlc)->first_pvc; while (pvc) { /* Shutdown all PVCs for this FRAD */ if (pvc->main) @@ -1060,7 +1061,7 @@ static const struct net_device_ops pvc_ops = { static int fr_add_pvc(struct net_device *frad, unsigned int dlci, int type) { hdlc_device *hdlc = dev_to_hdlc(frad); - pvc_device *pvc; + struct pvc_device *pvc; struct net_device *dev; int used; @@ -1117,7 +1118,7 @@ static int fr_add_pvc(struct net_device *frad, unsigned int dlci, int type) static int fr_del_pvc(hdlc_device *hdlc, unsigned int dlci, int type) { - pvc_device *pvc; + struct pvc_device *pvc; struct net_device *dev; if ((pvc = find_pvc(hdlc, dlci)) == NULL) @@ -1145,13 +1146,13 @@ static int fr_del_pvc(hdlc_device *hdlc, unsigned int dlci, int type) static void fr_destroy(struct net_device *frad) { hdlc_device *hdlc = dev_to_hdlc(frad); - pvc_device *pvc = state(hdlc)->first_pvc; + struct pvc_device *pvc = state(hdlc)->first_pvc; state(hdlc)->first_pvc = NULL; /* All PVCs destroyed */ state(hdlc)->dce_pvc_count = 0; state(hdlc)->dce_changed = 1; while (pvc) { - pvc_device *next = pvc->next; + struct pvc_device *next = pvc->next; /* destructors will free_netdev() main and ether */ if (pvc->main) unregister_netdevice(pvc->main); diff --git a/drivers/net/wan/lmc/lmc_main.c b/drivers/net/wan/lmc/lmc_main.c index b2fe9bb89633..bea0f313a7a8 100644 --- a/drivers/net/wan/lmc/lmc_main.c +++ b/drivers/net/wan/lmc/lmc_main.c @@ -76,7 +76,7 @@ static int LMC_PKT_BUF_SZ = 1542; -static DEFINE_PCI_DEVICE_TABLE(lmc_pci_tbl) = { +static const struct pci_device_id lmc_pci_tbl[] = { { PCI_VENDOR_ID_DEC, PCI_DEVICE_ID_DEC_TULIP_FAST, PCI_VENDOR_ID_LMC, PCI_ANY_ID }, { PCI_VENDOR_ID_DEC, PCI_DEVICE_ID_DEC_TULIP_FAST, diff --git a/drivers/net/wan/pc300too.c b/drivers/net/wan/pc300too.c index 5b72f7f8c516..db363856e0b5 100644 --- a/drivers/net/wan/pc300too.c +++ b/drivers/net/wan/pc300too.c @@ -477,7 +477,7 @@ static int pc300_pci_init_one(struct pci_dev *pdev, -static DEFINE_PCI_DEVICE_TABLE(pc300_pci_tbl) = { +static const struct pci_device_id pc300_pci_tbl[] = { { PCI_VENDOR_ID_CYCLADES, PCI_DEVICE_ID_PC300_RX_1, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, { PCI_VENDOR_ID_CYCLADES, PCI_DEVICE_ID_PC300_RX_2, PCI_ANY_ID, diff --git a/drivers/net/wan/pci200syn.c b/drivers/net/wan/pci200syn.c index fe4e3ece3c42..e8455621390e 100644 --- a/drivers/net/wan/pci200syn.c +++ b/drivers/net/wan/pci200syn.c @@ -414,7 +414,7 @@ static int pci200_pci_init_one(struct pci_dev *pdev, -static DEFINE_PCI_DEVICE_TABLE(pci200_pci_tbl) = { +static const struct pci_device_id pci200_pci_tbl[] = { { PCI_VENDOR_ID_PLX, PCI_DEVICE_ID_PLX_9050, PCI_VENDOR_ID_PLX, PCI_DEVICE_ID_PLX_PCI200SYN, 0, 0, 0 }, { 0, } diff --git a/drivers/net/wan/wanxl.c b/drivers/net/wan/wanxl.c index f76aa9081585..e73f13857846 100644 --- a/drivers/net/wan/wanxl.c +++ b/drivers/net/wan/wanxl.c @@ -54,24 +54,24 @@ static const char* version = "wanXL serial card driver version: 0.48"; #define MBX2_MEMSZ_MASK 0xFFFF0000 /* PUTS Memory Size Register mask */ -typedef struct { +struct port { struct net_device *dev; - struct card_t *card; + struct card *card; spinlock_t lock; /* for wanxl_xmit */ int node; /* physical port #0 - 3 */ unsigned int clock_type; int tx_in, tx_out; struct sk_buff *tx_skbs[TX_BUFFERS]; -}port_t; +}; -typedef struct { +struct card_status { desc_t rx_descs[RX_QUEUE_LENGTH]; port_status_t port_status[4]; -}card_status_t; +}; -typedef struct card_t { +struct card { int n_ports; /* 1, 2 or 4 ports */ u8 irq; @@ -79,20 +79,20 @@ typedef struct card_t { struct pci_dev *pdev; /* for pci_name(pdev) */ int rx_in; struct sk_buff *rx_skbs[RX_QUEUE_LENGTH]; - card_status_t *status; /* shared between host and card */ + struct card_status *status; /* shared between host and card */ dma_addr_t status_address; - port_t ports[0]; /* 1 - 4 port_t structures follow */ -}card_t; + struct port ports[0]; /* 1 - 4 port structures follow */ +}; -static inline port_t* dev_to_port(struct net_device *dev) +static inline struct port *dev_to_port(struct net_device *dev) { - return (port_t *)dev_to_hdlc(dev)->priv; + return (struct port *)dev_to_hdlc(dev)->priv; } -static inline port_status_t* get_status(port_t *port) +static inline port_status_t *get_status(struct port *port) { return &port->card->status->port_status[port->node]; } @@ -115,7 +115,7 @@ static inline dma_addr_t pci_map_single_debug(struct pci_dev *pdev, void *ptr, /* Cable and/or personality module change interrupt service */ -static inline void wanxl_cable_intr(port_t *port) +static inline void wanxl_cable_intr(struct port *port) { u32 value = get_status(port)->cable; int valid = 1; @@ -160,7 +160,7 @@ static inline void wanxl_cable_intr(port_t *port) /* Transmit complete interrupt service */ -static inline void wanxl_tx_intr(port_t *port) +static inline void wanxl_tx_intr(struct port *port) { struct net_device *dev = port->dev; while (1) { @@ -193,7 +193,7 @@ static inline void wanxl_tx_intr(port_t *port) /* Receive complete interrupt service */ -static inline void wanxl_rx_intr(card_t *card) +static inline void wanxl_rx_intr(struct card *card) { desc_t *desc; while (desc = &card->status->rx_descs[card->rx_in], @@ -203,7 +203,7 @@ static inline void wanxl_rx_intr(card_t *card) pci_name(card->pdev)); else { struct sk_buff *skb = card->rx_skbs[card->rx_in]; - port_t *port = &card->ports[desc->stat & + struct port *port = &card->ports[desc->stat & PACKET_PORT_MASK]; struct net_device *dev = port->dev; @@ -245,7 +245,7 @@ static inline void wanxl_rx_intr(card_t *card) static irqreturn_t wanxl_intr(int irq, void* dev_id) { - card_t *card = dev_id; + struct card *card = dev_id; int i; u32 stat; int handled = 0; @@ -272,7 +272,7 @@ static irqreturn_t wanxl_intr(int irq, void* dev_id) static netdev_tx_t wanxl_xmit(struct sk_buff *skb, struct net_device *dev) { - port_t *port = dev_to_port(dev); + struct port *port = dev_to_port(dev); desc_t *desc; spin_lock(&port->lock); @@ -319,7 +319,7 @@ static netdev_tx_t wanxl_xmit(struct sk_buff *skb, struct net_device *dev) static int wanxl_attach(struct net_device *dev, unsigned short encoding, unsigned short parity) { - port_t *port = dev_to_port(dev); + struct port *port = dev_to_port(dev); if (encoding != ENCODING_NRZ && encoding != ENCODING_NRZI) @@ -343,7 +343,7 @@ static int wanxl_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) { const size_t size = sizeof(sync_serial_settings); sync_serial_settings line; - port_t *port = dev_to_port(dev); + struct port *port = dev_to_port(dev); if (cmd != SIOCWANDEV) return hdlc_ioctl(dev, ifr, cmd); @@ -393,7 +393,7 @@ static int wanxl_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) static int wanxl_open(struct net_device *dev) { - port_t *port = dev_to_port(dev); + struct port *port = dev_to_port(dev); u8 __iomem *dbr = port->card->plx + PLX_DOORBELL_TO_CARD; unsigned long timeout; int i; @@ -429,7 +429,7 @@ static int wanxl_open(struct net_device *dev) static int wanxl_close(struct net_device *dev) { - port_t *port = dev_to_port(dev); + struct port *port = dev_to_port(dev); unsigned long timeout; int i; @@ -467,7 +467,7 @@ static int wanxl_close(struct net_device *dev) static struct net_device_stats *wanxl_get_stats(struct net_device *dev) { - port_t *port = dev_to_port(dev); + struct port *port = dev_to_port(dev); dev->stats.rx_over_errors = get_status(port)->rx_overruns; dev->stats.rx_frame_errors = get_status(port)->rx_frame_errors; @@ -478,7 +478,7 @@ static struct net_device_stats *wanxl_get_stats(struct net_device *dev) -static int wanxl_puts_command(card_t *card, u32 cmd) +static int wanxl_puts_command(struct card *card, u32 cmd) { unsigned long timeout = jiffies + 5 * HZ; @@ -495,7 +495,7 @@ static int wanxl_puts_command(card_t *card, u32 cmd) -static void wanxl_reset(card_t *card) +static void wanxl_reset(struct card *card) { u32 old_value = readl(card->plx + PLX_CONTROL) & ~PLX_CTL_RESET; @@ -511,7 +511,7 @@ static void wanxl_reset(card_t *card) static void wanxl_pci_remove_one(struct pci_dev *pdev) { - card_t *card = pci_get_drvdata(pdev); + struct card *card = pci_get_drvdata(pdev); int i; for (i = 0; i < card->n_ports; i++) { @@ -537,7 +537,7 @@ static void wanxl_pci_remove_one(struct pci_dev *pdev) iounmap(card->plx); if (card->status) - pci_free_consistent(pdev, sizeof(card_status_t), + pci_free_consistent(pdev, sizeof(struct card_status), card->status, card->status_address); pci_release_regions(pdev); @@ -560,7 +560,7 @@ static const struct net_device_ops wanxl_ops = { static int wanxl_pci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) { - card_t *card; + struct card *card; u32 ramsize, stat; unsigned long timeout; u32 plx_phy; /* PLX PCI base address */ @@ -601,7 +601,7 @@ static int wanxl_pci_init_one(struct pci_dev *pdev, default: ports = 4; } - alloc_size = sizeof(card_t) + ports * sizeof(port_t); + alloc_size = sizeof(struct card) + ports * sizeof(struct port); card = kzalloc(alloc_size, GFP_KERNEL); if (card == NULL) { pci_release_regions(pdev); @@ -612,7 +612,8 @@ static int wanxl_pci_init_one(struct pci_dev *pdev, pci_set_drvdata(pdev, card); card->pdev = pdev; - card->status = pci_alloc_consistent(pdev, sizeof(card_status_t), + card->status = pci_alloc_consistent(pdev, + sizeof(struct card_status), &card->status_address); if (card->status == NULL) { wanxl_pci_remove_one(pdev); @@ -766,7 +767,7 @@ static int wanxl_pci_init_one(struct pci_dev *pdev, for (i = 0; i < ports; i++) { hdlc_device *hdlc; - port_t *port = &card->ports[i]; + struct port *port = &card->ports[i]; struct net_device *dev = alloc_hdlcdev(port); if (!dev) { pr_err("%s: unable to allocate memory\n", @@ -807,7 +808,7 @@ static int wanxl_pci_init_one(struct pci_dev *pdev, return 0; } -static DEFINE_PCI_DEVICE_TABLE(wanxl_pci_tbl) = { +static const struct pci_device_id wanxl_pci_tbl[] = { { PCI_VENDOR_ID_SBE, PCI_DEVICE_ID_SBE_WANXL100, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, { PCI_VENDOR_ID_SBE, PCI_DEVICE_ID_SBE_WANXL200, PCI_ANY_ID, diff --git a/drivers/net/wireless/adm8211.c b/drivers/net/wireless/adm8211.c index f35f93c31b09..17fcaabb2687 100644 --- a/drivers/net/wireless/adm8211.c +++ b/drivers/net/wireless/adm8211.c @@ -41,7 +41,7 @@ static unsigned int rx_ring_size __read_mostly = 16; module_param(tx_ring_size, uint, 0); module_param(rx_ring_size, uint, 0); -static DEFINE_PCI_DEVICE_TABLE(adm8211_pci_id_table) = { +static const struct pci_device_id adm8211_pci_id_table[] = { /* ADMtek ADM8211 */ { PCI_DEVICE(0x10B7, 0x6000) }, /* 3Com 3CRSHPW796 */ { PCI_DEVICE(0x1200, 0x8201) }, /* ? */ diff --git a/drivers/net/wireless/airo.c b/drivers/net/wireless/airo.c index b39807579a8a..e71a2ce7a448 100644 --- a/drivers/net/wireless/airo.c +++ b/drivers/net/wireless/airo.c @@ -57,7 +57,7 @@ #define DRV_NAME "airo" #ifdef CONFIG_PCI -static DEFINE_PCI_DEVICE_TABLE(card_ids) = { +static const struct pci_device_id card_ids[] = { { 0x14b9, 1, PCI_ANY_ID, PCI_ANY_ID, }, { 0x14b9, 0x4500, PCI_ANY_ID, PCI_ANY_ID }, { 0x14b9, 0x4800, PCI_ANY_ID, PCI_ANY_ID, }, diff --git a/drivers/net/wireless/airo_cs.c b/drivers/net/wireless/airo_cs.c index 7e9ede6c5798..d9ed22b4cc6b 100644 --- a/drivers/net/wireless/airo_cs.c +++ b/drivers/net/wireless/airo_cs.c @@ -56,18 +56,18 @@ static void airo_release(struct pcmcia_device *link); static void airo_detach(struct pcmcia_device *p_dev); -typedef struct local_info_t { +struct local_info { struct net_device *eth_dev; -} local_info_t; +}; static int airo_probe(struct pcmcia_device *p_dev) { - local_info_t *local; + struct local_info *local; dev_dbg(&p_dev->dev, "airo_attach()\n"); /* Allocate space for private device-specific data */ - local = kzalloc(sizeof(local_info_t), GFP_KERNEL); + local = kzalloc(sizeof(*local), GFP_KERNEL); if (!local) return -ENOMEM; @@ -82,10 +82,11 @@ static void airo_detach(struct pcmcia_device *link) airo_release(link); - if (((local_info_t *)link->priv)->eth_dev) { - stop_airo_card(((local_info_t *)link->priv)->eth_dev, 0); + if (((struct local_info *)link->priv)->eth_dev) { + stop_airo_card(((struct local_info *)link->priv)->eth_dev, + 0); } - ((local_info_t *)link->priv)->eth_dev = NULL; + ((struct local_info *)link->priv)->eth_dev = NULL; kfree(link->priv); } /* airo_detach */ @@ -101,7 +102,7 @@ static int airo_cs_config_check(struct pcmcia_device *p_dev, void *priv_data) static int airo_config(struct pcmcia_device *link) { - local_info_t *dev; + struct local_info *dev; int ret; dev = link->priv; @@ -121,10 +122,10 @@ static int airo_config(struct pcmcia_device *link) ret = pcmcia_enable_device(link); if (ret) goto failed; - ((local_info_t *)link->priv)->eth_dev = + ((struct local_info *)link->priv)->eth_dev = init_airo_card(link->irq, link->resource[0]->start, 1, &link->dev); - if (!((local_info_t *)link->priv)->eth_dev) + if (!((struct local_info *)link->priv)->eth_dev) goto failed; return 0; @@ -142,7 +143,7 @@ static void airo_release(struct pcmcia_device *link) static int airo_suspend(struct pcmcia_device *link) { - local_info_t *local = link->priv; + struct local_info *local = link->priv; netif_device_detach(local->eth_dev); @@ -151,7 +152,7 @@ static int airo_suspend(struct pcmcia_device *link) static int airo_resume(struct pcmcia_device *link) { - local_info_t *local = link->priv; + struct local_info *local = link->priv; if (link->open) { reset_airo_card(local->eth_dev); diff --git a/drivers/net/wireless/ath/ath10k/pci.c b/drivers/net/wireless/ath/ath10k/pci.c index 0ffff205478d..3376963a4862 100644 --- a/drivers/net/wireless/ath/ath10k/pci.c +++ b/drivers/net/wireless/ath/ath10k/pci.c @@ -63,7 +63,7 @@ MODULE_PARM_DESC(reset_mode, "0: auto, 1: warm only (default: 0)"); #define QCA988X_2_0_DEVICE_ID (0x003c) -static DEFINE_PCI_DEVICE_TABLE(ath10k_pci_id_table) = { +static const struct pci_device_id ath10k_pci_id_table[] = { { PCI_VDEVICE(ATHEROS, QCA988X_2_0_DEVICE_ID) }, /* PCI-E QCA988X V2 */ {0} }; diff --git a/drivers/net/wireless/ath/ath5k/led.c b/drivers/net/wireless/ath/ath5k/led.c index f77ef36acf87..48a6a69b57bc 100644 --- a/drivers/net/wireless/ath/ath5k/led.c +++ b/drivers/net/wireless/ath/ath5k/led.c @@ -53,7 +53,7 @@ #define ATH_POLARITY(data) ((data) & 0xff) /* Devices we match on for LED config info (typically laptops) */ -static DEFINE_PCI_DEVICE_TABLE(ath5k_led_devices) = { +static const struct pci_device_id ath5k_led_devices[] = { /* AR5211 */ { PCI_VDEVICE(ATHEROS, PCI_DEVICE_ID_ATHEROS_AR5211), ATH_LED(0, 0) }, /* HP Compaq nc6xx, nc4000, nx6000 */ diff --git a/drivers/net/wireless/ath/ath5k/pci.c b/drivers/net/wireless/ath/ath5k/pci.c index 859db7c34f87..c6156cc38940 100644 --- a/drivers/net/wireless/ath/ath5k/pci.c +++ b/drivers/net/wireless/ath/ath5k/pci.c @@ -28,7 +28,7 @@ #include "reg.h" /* Known PCI ids */ -static DEFINE_PCI_DEVICE_TABLE(ath5k_pci_id_table) = { +static const struct pci_device_id ath5k_pci_id_table[] = { { PCI_VDEVICE(ATHEROS, 0x0207) }, /* 5210 early */ { PCI_VDEVICE(ATHEROS, 0x0007) }, /* 5210 */ { PCI_VDEVICE(ATHEROS, 0x0011) }, /* 5311 - this is on AHB bus !*/ diff --git a/drivers/net/wireless/ath/ath9k/pci.c b/drivers/net/wireless/ath/ath9k/pci.c index 7a2b2c5caced..c018dea0b2e8 100644 --- a/drivers/net/wireless/ath/ath9k/pci.c +++ b/drivers/net/wireless/ath/ath9k/pci.c @@ -23,7 +23,7 @@ #include <linux/module.h> #include "ath9k.h" -static DEFINE_PCI_DEVICE_TABLE(ath_pci_id_table) = { +static const struct pci_device_id ath_pci_id_table[] = { { PCI_VDEVICE(ATHEROS, 0x0023) }, /* PCI */ { PCI_VDEVICE(ATHEROS, 0x0024) }, /* PCI-E */ { PCI_VDEVICE(ATHEROS, 0x0027) }, /* PCI */ diff --git a/drivers/net/wireless/ath/carl9170/carl9170.h b/drivers/net/wireless/ath/carl9170/carl9170.h index 8596aba34f96..237d0cda1bcb 100644 --- a/drivers/net/wireless/ath/carl9170/carl9170.h +++ b/drivers/net/wireless/ath/carl9170/carl9170.h @@ -256,6 +256,7 @@ struct ar9170 { atomic_t rx_work_urbs; atomic_t rx_pool_urbs; kernel_ulong_t features; + bool usb_ep_cmd_is_bulk; /* firmware settings */ struct completion fw_load_wait; diff --git a/drivers/net/wireless/ath/carl9170/usb.c b/drivers/net/wireless/ath/carl9170/usb.c index f35c7f30f9a6..c9f93310c0d6 100644 --- a/drivers/net/wireless/ath/carl9170/usb.c +++ b/drivers/net/wireless/ath/carl9170/usb.c @@ -621,9 +621,16 @@ int __carl9170_exec_cmd(struct ar9170 *ar, struct carl9170_cmd *cmd, goto err_free; } - usb_fill_int_urb(urb, ar->udev, usb_sndintpipe(ar->udev, - AR9170_USB_EP_CMD), cmd, cmd->hdr.len + 4, - carl9170_usb_cmd_complete, ar, 1); + if (ar->usb_ep_cmd_is_bulk) + usb_fill_bulk_urb(urb, ar->udev, + usb_sndbulkpipe(ar->udev, AR9170_USB_EP_CMD), + cmd, cmd->hdr.len + 4, + carl9170_usb_cmd_complete, ar); + else + usb_fill_int_urb(urb, ar->udev, + usb_sndintpipe(ar->udev, AR9170_USB_EP_CMD), + cmd, cmd->hdr.len + 4, + carl9170_usb_cmd_complete, ar, 1); if (free_buf) urb->transfer_flags |= URB_FREE_BUFFER; @@ -1032,9 +1039,10 @@ static void carl9170_usb_firmware_step2(const struct firmware *fw, static int carl9170_usb_probe(struct usb_interface *intf, const struct usb_device_id *id) { + struct usb_endpoint_descriptor *ep; struct ar9170 *ar; struct usb_device *udev; - int err; + int i, err; err = usb_reset_device(interface_to_usbdev(intf)); if (err) @@ -1050,6 +1058,21 @@ static int carl9170_usb_probe(struct usb_interface *intf, ar->intf = intf; ar->features = id->driver_info; + /* We need to remember the type of endpoint 4 because it differs + * between high- and full-speed configuration. The high-speed + * configuration specifies it as interrupt and the full-speed + * configuration as bulk endpoint. This information is required + * later when sending urbs to that endpoint. + */ + for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; ++i) { + ep = &intf->cur_altsetting->endpoint[i].desc; + + if (usb_endpoint_num(ep) == AR9170_USB_EP_CMD && + usb_endpoint_dir_out(ep) && + usb_endpoint_type(ep) == USB_ENDPOINT_XFER_BULK) + ar->usb_ep_cmd_is_bulk = true; + } + usb_set_intfdata(intf, ar); SET_IEEE80211_DEV(ar->hw, &intf->dev); diff --git a/drivers/net/wireless/atmel.c b/drivers/net/wireless/atmel.c index 1fe41af81a59..9183f1cf89a7 100644 --- a/drivers/net/wireless/atmel.c +++ b/drivers/net/wireless/atmel.c @@ -2598,11 +2598,11 @@ static const iw_handler atmel_private_handler[] = NULL, /* SIOCIWFIRSTPRIV */ }; -typedef struct atmel_priv_ioctl { +struct atmel_priv_ioctl { char id[32]; unsigned char __user *data; unsigned short len; -} atmel_priv_ioctl; +}; #define ATMELFWL SIOCIWFIRSTPRIV #define ATMELIDIFC ATMELFWL + 1 @@ -2615,7 +2615,7 @@ static const struct iw_priv_args atmel_private_args[] = { .cmd = ATMELFWL, .set_args = IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED - | sizeof (atmel_priv_ioctl), + | sizeof(struct atmel_priv_ioctl), .get_args = IW_PRIV_TYPE_NONE, .name = "atmelfwl" }, { @@ -2645,7 +2645,7 @@ static int atmel_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) { int i, rc = 0; struct atmel_private *priv = netdev_priv(dev); - atmel_priv_ioctl com; + struct atmel_priv_ioctl com; struct iwreq *wrq = (struct iwreq *) rq; unsigned char *new_firmware; char domain[REGDOMAINSZ + 1]; diff --git a/drivers/net/wireless/atmel_pci.c b/drivers/net/wireless/atmel_pci.c index 5cd97e3cbee3..bcf1f274a251 100644 --- a/drivers/net/wireless/atmel_pci.c +++ b/drivers/net/wireless/atmel_pci.c @@ -30,7 +30,7 @@ MODULE_DESCRIPTION("Support for Atmel at76c50x 802.11 wireless ethernet cards.") MODULE_LICENSE("GPL"); MODULE_SUPPORTED_DEVICE("Atmel at76c506 PCI wireless cards"); -static DEFINE_PCI_DEVICE_TABLE(card_ids) = { +static const struct pci_device_id card_ids[] = { { 0x1114, 0x0506, PCI_ANY_ID, PCI_ANY_ID }, { 0, } }; diff --git a/drivers/net/wireless/brcm80211/brcmfmac/msgbuf.c b/drivers/net/wireless/brcm80211/brcmfmac/msgbuf.c index 535c7eb01b3a..8f8b9373de95 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/msgbuf.c +++ b/drivers/net/wireless/brcm80211/brcmfmac/msgbuf.c @@ -1318,6 +1318,8 @@ int brcmf_proto_msgbuf_attach(struct brcmf_pub *drvr) msgbuf->nrof_flowrings = if_msgbuf->nrof_flowrings; msgbuf->flowring_dma_handle = kzalloc(msgbuf->nrof_flowrings * sizeof(*msgbuf->flowring_dma_handle), GFP_ATOMIC); + if (!msgbuf->flowring_dma_handle) + goto fail; msgbuf->rx_dataoffset = if_msgbuf->rx_dataoffset; msgbuf->max_rxbufpost = if_msgbuf->max_rxbufpost; @@ -1362,6 +1364,7 @@ fail: kfree(msgbuf->flow_map); kfree(msgbuf->txstatus_done_map); brcmf_msgbuf_release_pktids(msgbuf); + kfree(msgbuf->flowring_dma_handle); if (msgbuf->ioctbuf) dma_free_coherent(drvr->bus_if->dev, BRCMF_TX_IOCTL_MAX_MSG_SIZE, @@ -1391,6 +1394,7 @@ void brcmf_proto_msgbuf_detach(struct brcmf_pub *drvr) BRCMF_TX_IOCTL_MAX_MSG_SIZE, msgbuf->ioctbuf, msgbuf->ioctbuf_handle); brcmf_msgbuf_release_pktids(msgbuf); + kfree(msgbuf->flowring_dma_handle); kfree(msgbuf); drvr->proto->pd = NULL; } diff --git a/drivers/net/wireless/brcm80211/brcmfmac/pcie.c b/drivers/net/wireless/brcm80211/brcmfmac/pcie.c index bc972c0ba5f8..e5101b287e4e 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/pcie.c +++ b/drivers/net/wireless/brcm80211/brcmfmac/pcie.c @@ -591,12 +591,13 @@ static void brcmf_pcie_handle_mb_data(struct brcmf_pciedev_info *devinfo) } if (dtoh_mb_data & BRCMF_D2H_DEV_DS_EXIT_NOTE) brcmf_dbg(PCIE, "D2H_MB_DATA: DEEP SLEEP EXIT\n"); - if (dtoh_mb_data & BRCMF_D2H_DEV_D3_ACK) + if (dtoh_mb_data & BRCMF_D2H_DEV_D3_ACK) { brcmf_dbg(PCIE, "D2H_MB_DATA: D3 ACK\n"); if (waitqueue_active(&devinfo->mbdata_resp_wait)) { devinfo->mbdata_completed = true; wake_up(&devinfo->mbdata_resp_wait); } + } } diff --git a/drivers/net/wireless/hostap/hostap_pci.c b/drivers/net/wireless/hostap/hostap_pci.c index 91158e2e961c..c864ef4b0015 100644 --- a/drivers/net/wireless/hostap/hostap_pci.c +++ b/drivers/net/wireless/hostap/hostap_pci.c @@ -39,7 +39,7 @@ struct hostap_pci_priv { /* FIX: do we need mb/wmb/rmb with memory operations? */ -static DEFINE_PCI_DEVICE_TABLE(prism2_pci_id_table) = { +static const struct pci_device_id prism2_pci_id_table[] = { /* Intersil Prism3 ISL3872 11Mb/s WLAN Controller */ { 0x1260, 0x3872, PCI_ANY_ID, PCI_ANY_ID }, /* Intersil Prism2.5 ISL3874 11Mb/s WLAN Controller */ diff --git a/drivers/net/wireless/hostap/hostap_plx.c b/drivers/net/wireless/hostap/hostap_plx.c index 3bf530d9a40f..4901a99c6c59 100644 --- a/drivers/net/wireless/hostap/hostap_plx.c +++ b/drivers/net/wireless/hostap/hostap_plx.c @@ -60,7 +60,7 @@ struct hostap_plx_priv { #define PLXDEV(vendor,dev,str) { vendor, dev, PCI_ANY_ID, PCI_ANY_ID } -static DEFINE_PCI_DEVICE_TABLE(prism2_plx_id_table) = { +static const struct pci_device_id prism2_plx_id_table[] = { PLXDEV(0x10b7, 0x7770, "3Com AirConnect PCI 777A"), PLXDEV(0x111a, 0x1023, "Siemens SpeedStream SS1023"), PLXDEV(0x126c, 0x8030, "Nortel emobility"), diff --git a/drivers/net/wireless/ipw2x00/ipw2100.c b/drivers/net/wireless/ipw2x00/ipw2100.c index 1ab8e500fb77..c3d726f334e3 100644 --- a/drivers/net/wireless/ipw2x00/ipw2100.c +++ b/drivers/net/wireless/ipw2x00/ipw2100.c @@ -6505,7 +6505,7 @@ static void ipw2100_shutdown(struct pci_dev *pci_dev) #define IPW2100_DEV_ID(x) { PCI_VENDOR_ID_INTEL, 0x1043, 0x8086, x } -static DEFINE_PCI_DEVICE_TABLE(ipw2100_pci_id_table) = { +static const struct pci_device_id ipw2100_pci_id_table[] = { IPW2100_DEV_ID(0x2520), /* IN 2100A mPCI 3A */ IPW2100_DEV_ID(0x2521), /* IN 2100A mPCI 3B */ IPW2100_DEV_ID(0x2524), /* IN 2100A mPCI 3B */ diff --git a/drivers/net/wireless/ipw2x00/ipw2200.c b/drivers/net/wireless/ipw2x00/ipw2200.c index c5aa404069f3..a42f9c335090 100644 --- a/drivers/net/wireless/ipw2x00/ipw2200.c +++ b/drivers/net/wireless/ipw2x00/ipw2200.c @@ -9853,6 +9853,7 @@ static int ipw_wx_get_wireless_mode(struct net_device *dev, strncpy(extra, "unknown", MAX_WX_STRING); break; } + extra[MAX_WX_STRING - 1] = '\0'; IPW_DEBUG_WX("PRIV GET MODE: %s\n", extra); @@ -11542,7 +11543,7 @@ out: } /* PCI driver stuff */ -static DEFINE_PCI_DEVICE_TABLE(card_ids) = { +static const struct pci_device_id card_ids[] = { {PCI_VENDOR_ID_INTEL, 0x1043, 0x8086, 0x2701, 0, 0, 0}, {PCI_VENDOR_ID_INTEL, 0x1043, 0x8086, 0x2702, 0, 0, 0}, {PCI_VENDOR_ID_INTEL, 0x1043, 0x8086, 0x2711, 0, 0, 0}, diff --git a/drivers/net/wireless/iwlegacy/3945.c b/drivers/net/wireless/iwlegacy/3945.c index b598e2803500..93bdf684babe 100644 --- a/drivers/net/wireless/iwlegacy/3945.c +++ b/drivers/net/wireless/iwlegacy/3945.c @@ -2728,7 +2728,7 @@ static struct il_cfg il3945_abg_cfg = { }, }; -DEFINE_PCI_DEVICE_TABLE(il3945_hw_card_ids) = { +const struct pci_device_id il3945_hw_card_ids[] = { {IL_PCI_DEVICE(0x4222, 0x1005, il3945_bg_cfg)}, {IL_PCI_DEVICE(0x4222, 0x1034, il3945_bg_cfg)}, {IL_PCI_DEVICE(0x4222, 0x1044, il3945_bg_cfg)}, diff --git a/drivers/net/wireless/iwlegacy/4965-mac.c b/drivers/net/wireless/iwlegacy/4965-mac.c index c159c05db6ef..3dcbe2cd2b28 100644 --- a/drivers/net/wireless/iwlegacy/4965-mac.c +++ b/drivers/net/wireless/iwlegacy/4965-mac.c @@ -6800,7 +6800,7 @@ il4965_txq_set_sched(struct il_priv *il, u32 mask) *****************************************************************************/ /* Hardware specific file defines the PCI IDs table for that hardware module */ -static DEFINE_PCI_DEVICE_TABLE(il4965_hw_card_ids) = { +static const struct pci_device_id il4965_hw_card_ids[] = { {IL_PCI_DEVICE(0x4229, PCI_ANY_ID, il4965_cfg)}, {IL_PCI_DEVICE(0x4230, PCI_ANY_ID, il4965_cfg)}, {0} diff --git a/drivers/net/wireless/iwlwifi/mvm/mac80211.c b/drivers/net/wireless/iwlwifi/mvm/mac80211.c index 0d6a8b768a68..7c8796584c25 100644 --- a/drivers/net/wireless/iwlwifi/mvm/mac80211.c +++ b/drivers/net/wireless/iwlwifi/mvm/mac80211.c @@ -396,7 +396,8 @@ int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm) else hw->wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT; - hw->wiphy->flags |= WIPHY_FLAG_SUPPORTS_SCHED_SCAN; + /* TODO: enable that only for firmwares that don't crash */ + /* hw->wiphy->flags |= WIPHY_FLAG_SUPPORTS_SCHED_SCAN; */ hw->wiphy->max_sched_scan_ssids = PROBE_OPTION_MAX; hw->wiphy->max_match_sets = IWL_SCAN_MAX_PROFILES; /* we create the 802.11 header and zero length SSID IE. */ diff --git a/drivers/net/wireless/iwlwifi/pcie/drv.c b/drivers/net/wireless/iwlwifi/pcie/drv.c index 98950e45c7b0..f0e722ced080 100644 --- a/drivers/net/wireless/iwlwifi/pcie/drv.c +++ b/drivers/net/wireless/iwlwifi/pcie/drv.c @@ -78,7 +78,7 @@ .driver_data = (kernel_ulong_t)&(cfg) /* Hardware specific file defines the PCI IDs table for that hardware module */ -static DEFINE_PCI_DEVICE_TABLE(iwl_hw_card_ids) = { +static const struct pci_device_id iwl_hw_card_ids[] = { #if IS_ENABLED(CONFIG_IWLDVM) {IWL_PCI_DEVICE(0x4232, 0x1201, iwl5100_agn_cfg)}, /* Mini Card */ {IWL_PCI_DEVICE(0x4232, 0x1301, iwl5100_agn_cfg)}, /* Half Mini Card */ diff --git a/drivers/net/wireless/mwifiex/pcie.c b/drivers/net/wireless/mwifiex/pcie.c index c16dd2cc8198..ff0545888dd0 100644 --- a/drivers/net/wireless/mwifiex/pcie.c +++ b/drivers/net/wireless/mwifiex/pcie.c @@ -257,7 +257,7 @@ static void mwifiex_pcie_shutdown(struct pci_dev *pdev) return; } -static DEFINE_PCI_DEVICE_TABLE(mwifiex_ids) = { +static const struct pci_device_id mwifiex_ids[] = { { PCIE_VENDOR_ID_MARVELL, PCIE_DEVICE_ID_MARVELL_88W8766P, PCI_ANY_ID, PCI_ANY_ID, 0, 0, diff --git a/drivers/net/wireless/mwl8k.c b/drivers/net/wireless/mwl8k.c index fc6cb215e761..ef1104476bd8 100644 --- a/drivers/net/wireless/mwl8k.c +++ b/drivers/net/wireless/mwl8k.c @@ -5674,7 +5674,7 @@ MODULE_FIRMWARE("mwl8k/helper_8366.fw"); MODULE_FIRMWARE("mwl8k/fmimage_8366.fw"); MODULE_FIRMWARE(MWL8K_8366_AP_FW(MWL8K_8366_AP_FW_API)); -static DEFINE_PCI_DEVICE_TABLE(mwl8k_pci_id_table) = { +static const struct pci_device_id mwl8k_pci_id_table[] = { { PCI_VDEVICE(MARVELL, 0x2a0a), .driver_data = MWL8363, }, { PCI_VDEVICE(MARVELL, 0x2a0c), .driver_data = MWL8363, }, { PCI_VDEVICE(MARVELL, 0x2a24), .driver_data = MWL8363, }, diff --git a/drivers/net/wireless/orinoco/orinoco_nortel.c b/drivers/net/wireless/orinoco/orinoco_nortel.c index ffb2469eb679..1b543e30eff7 100644 --- a/drivers/net/wireless/orinoco/orinoco_nortel.c +++ b/drivers/net/wireless/orinoco/orinoco_nortel.c @@ -272,7 +272,7 @@ static void orinoco_nortel_remove_one(struct pci_dev *pdev) pci_disable_device(pdev); } -static DEFINE_PCI_DEVICE_TABLE(orinoco_nortel_id_table) = { +static const struct pci_device_id orinoco_nortel_id_table[] = { /* Nortel emobility PCI */ {0x126c, 0x8030, PCI_ANY_ID, PCI_ANY_ID,}, /* Symbol LA-4123 PCI */ diff --git a/drivers/net/wireless/orinoco/orinoco_pci.c b/drivers/net/wireless/orinoco/orinoco_pci.c index 5ae1191d2532..b6bdad632842 100644 --- a/drivers/net/wireless/orinoco/orinoco_pci.c +++ b/drivers/net/wireless/orinoco/orinoco_pci.c @@ -210,7 +210,7 @@ static void orinoco_pci_remove_one(struct pci_dev *pdev) pci_disable_device(pdev); } -static DEFINE_PCI_DEVICE_TABLE(orinoco_pci_id_table) = { +static const struct pci_device_id orinoco_pci_id_table[] = { /* Intersil Prism 3 */ {0x1260, 0x3872, PCI_ANY_ID, PCI_ANY_ID,}, /* Intersil Prism 2.5 */ diff --git a/drivers/net/wireless/orinoco/orinoco_plx.c b/drivers/net/wireless/orinoco/orinoco_plx.c index bbd36d1676ff..b8f6e5c431ae 100644 --- a/drivers/net/wireless/orinoco/orinoco_plx.c +++ b/drivers/net/wireless/orinoco/orinoco_plx.c @@ -308,7 +308,7 @@ static void orinoco_plx_remove_one(struct pci_dev *pdev) pci_disable_device(pdev); } -static DEFINE_PCI_DEVICE_TABLE(orinoco_plx_id_table) = { +static const struct pci_device_id orinoco_plx_id_table[] = { {0x111a, 0x1023, PCI_ANY_ID, PCI_ANY_ID,}, /* Siemens SpeedStream SS1023 */ {0x1385, 0x4100, PCI_ANY_ID, PCI_ANY_ID,}, /* Netgear MA301 */ {0x15e8, 0x0130, PCI_ANY_ID, PCI_ANY_ID,}, /* Correga - does this work? */ diff --git a/drivers/net/wireless/orinoco/orinoco_tmd.c b/drivers/net/wireless/orinoco/orinoco_tmd.c index 04b08de5fd5d..79d0e33b625e 100644 --- a/drivers/net/wireless/orinoco/orinoco_tmd.c +++ b/drivers/net/wireless/orinoco/orinoco_tmd.c @@ -201,7 +201,7 @@ static void orinoco_tmd_remove_one(struct pci_dev *pdev) pci_disable_device(pdev); } -static DEFINE_PCI_DEVICE_TABLE(orinoco_tmd_id_table) = { +static const struct pci_device_id orinoco_tmd_id_table[] = { {0x15e8, 0x0131, PCI_ANY_ID, PCI_ANY_ID,}, /* NDC and OEMs, e.g. pheecom */ {0,}, }; diff --git a/drivers/net/wireless/p54/p54pci.c b/drivers/net/wireless/p54/p54pci.c index d411de409050..d4aee64fb5ea 100644 --- a/drivers/net/wireless/p54/p54pci.c +++ b/drivers/net/wireless/p54/p54pci.c @@ -32,7 +32,7 @@ MODULE_LICENSE("GPL"); MODULE_ALIAS("prism54pci"); MODULE_FIRMWARE("isl3886pci"); -static DEFINE_PCI_DEVICE_TABLE(p54p_table) = { +static const struct pci_device_id p54p_table[] = { /* Intersil PRISM Duette/Prism GT Wireless LAN adapter */ { PCI_DEVICE(0x1260, 0x3890) }, /* 3COM 3CRWE154G72 Wireless LAN adapter */ diff --git a/drivers/net/wireless/prism54/islpci_hotplug.c b/drivers/net/wireless/prism54/islpci_hotplug.c index 1105a12dbde8..300c846ea087 100644 --- a/drivers/net/wireless/prism54/islpci_hotplug.c +++ b/drivers/net/wireless/prism54/islpci_hotplug.c @@ -39,7 +39,7 @@ module_param(init_pcitm, int, 0); * driver_data * If you have an update for this please contact prism54-devel@prism54.org * The latest list can be found at http://wireless.kernel.org/en/users/Drivers/p54 */ -static DEFINE_PCI_DEVICE_TABLE(prism54_id_tbl) = { +static const struct pci_device_id prism54_id_tbl[] = { /* Intersil PRISM Duette/Prism GT Wireless LAN adapter */ { 0x1260, 0x3890, diff --git a/drivers/net/wireless/rt2x00/rt2400pci.c b/drivers/net/wireless/rt2x00/rt2400pci.c index 4ccfef5094e0..bdf5590ba304 100644 --- a/drivers/net/wireless/rt2x00/rt2400pci.c +++ b/drivers/net/wireless/rt2x00/rt2400pci.c @@ -1821,7 +1821,7 @@ static const struct rt2x00_ops rt2400pci_ops = { /* * RT2400pci module information. */ -static DEFINE_PCI_DEVICE_TABLE(rt2400pci_device_table) = { +static const struct pci_device_id rt2400pci_device_table[] = { { PCI_DEVICE(0x1814, 0x0101) }, { 0, } }; diff --git a/drivers/net/wireless/rt2x00/rt2500pci.c b/drivers/net/wireless/rt2x00/rt2500pci.c index a511cccc9f01..79f4fe65a119 100644 --- a/drivers/net/wireless/rt2x00/rt2500pci.c +++ b/drivers/net/wireless/rt2x00/rt2500pci.c @@ -2120,7 +2120,7 @@ static const struct rt2x00_ops rt2500pci_ops = { /* * RT2500pci module information. */ -static DEFINE_PCI_DEVICE_TABLE(rt2500pci_device_table) = { +static const struct pci_device_id rt2500pci_device_table[] = { { PCI_DEVICE(0x1814, 0x0201) }, { 0, } }; diff --git a/drivers/net/wireless/rt2x00/rt2800pci.c b/drivers/net/wireless/rt2x00/rt2800pci.c index a5b32ca2cf0f..cc1b3cc73c5a 100644 --- a/drivers/net/wireless/rt2x00/rt2800pci.c +++ b/drivers/net/wireless/rt2x00/rt2800pci.c @@ -400,7 +400,7 @@ static const struct rt2x00_ops rt2800pci_ops = { /* * RT2800pci module information. */ -static DEFINE_PCI_DEVICE_TABLE(rt2800pci_device_table) = { +static const struct pci_device_id rt2800pci_device_table[] = { { PCI_DEVICE(0x1814, 0x0601) }, { PCI_DEVICE(0x1814, 0x0681) }, { PCI_DEVICE(0x1814, 0x0701) }, diff --git a/drivers/net/wireless/rt2x00/rt61pci.c b/drivers/net/wireless/rt2x00/rt61pci.c index 9048a9cbe52c..819455009fe4 100644 --- a/drivers/net/wireless/rt2x00/rt61pci.c +++ b/drivers/net/wireless/rt2x00/rt61pci.c @@ -3075,7 +3075,7 @@ static const struct rt2x00_ops rt61pci_ops = { /* * RT61pci module information. */ -static DEFINE_PCI_DEVICE_TABLE(rt61pci_device_table) = { +static const struct pci_device_id rt61pci_device_table[] = { /* RT2561s */ { PCI_DEVICE(0x1814, 0x0301) }, /* RT2561 v2 */ diff --git a/drivers/net/wireless/rtl818x/rtl8180/dev.c b/drivers/net/wireless/rtl818x/rtl8180/dev.c index fcc45e5bf50a..026d912f516b 100644 --- a/drivers/net/wireless/rtl818x/rtl8180/dev.c +++ b/drivers/net/wireless/rtl818x/rtl8180/dev.c @@ -64,7 +64,7 @@ MODULE_AUTHOR("Andrea Merello <andrea.merello@gmail.com>"); MODULE_DESCRIPTION("RTL8180 / RTL8185 / RTL8187SE PCI wireless driver"); MODULE_LICENSE("GPL"); -static DEFINE_PCI_DEVICE_TABLE(rtl8180_table) = { +static const struct pci_device_id rtl8180_table[] = { /* rtl8187se */ { PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8199) }, diff --git a/drivers/net/wireless/rtlwifi/rtl8188ee/sw.c b/drivers/net/wireless/rtlwifi/rtl8188ee/sw.c index 842d69349a37..631b6907c17d 100644 --- a/drivers/net/wireless/rtlwifi/rtl8188ee/sw.c +++ b/drivers/net/wireless/rtlwifi/rtl8188ee/sw.c @@ -364,7 +364,7 @@ static struct rtl_hal_cfg rtl88ee_hal_cfg = { .maps[RTL_RC_HT_RATEMCS15] = DESC92C_RATEMCS15, }; -static DEFINE_PCI_DEVICE_TABLE(rtl88ee_pci_ids) = { +static const struct pci_device_id rtl88ee_pci_ids[] = { {RTL_PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8179, rtl88ee_hal_cfg)}, {}, }; diff --git a/drivers/net/wireless/rtlwifi/rtl8192ce/sw.c b/drivers/net/wireless/rtlwifi/rtl8192ce/sw.c index 12f21f4073e8..4bbdfb2df363 100644 --- a/drivers/net/wireless/rtlwifi/rtl8192ce/sw.c +++ b/drivers/net/wireless/rtlwifi/rtl8192ce/sw.c @@ -344,7 +344,7 @@ static struct rtl_hal_cfg rtl92ce_hal_cfg = { .maps[RTL_RC_HT_RATEMCS15] = DESC92_RATEMCS15, }; -static DEFINE_PCI_DEVICE_TABLE(rtl92ce_pci_ids) = { +static const struct pci_device_id rtl92ce_pci_ids[] = { {RTL_PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8191, rtl92ce_hal_cfg)}, {RTL_PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8178, rtl92ce_hal_cfg)}, {RTL_PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8177, rtl92ce_hal_cfg)}, diff --git a/drivers/net/wireless/rtlwifi/rtl8723be/sw.c b/drivers/net/wireless/rtlwifi/rtl8723be/sw.c index ff12bf41644b..532913c6622a 100644 --- a/drivers/net/wireless/rtlwifi/rtl8723be/sw.c +++ b/drivers/net/wireless/rtlwifi/rtl8723be/sw.c @@ -348,7 +348,7 @@ static struct rtl_hal_cfg rtl8723be_hal_cfg = { .maps[RTL_RC_HT_RATEMCS15] = DESC92C_RATEMCS15, }; -static DEFINE_PCI_DEVICE_TABLE(rtl8723be_pci_id) = { +static const struct pci_device_id rtl8723be_pci_id[] = { {RTL_PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0xb723, rtl8723be_hal_cfg)}, {}, }; diff --git a/drivers/net/xen-netback/common.h b/drivers/net/xen-netback/common.h index ef3026f46a37..d4eb8d2e9cb7 100644 --- a/drivers/net/xen-netback/common.h +++ b/drivers/net/xen-netback/common.h @@ -165,6 +165,7 @@ struct xenvif_queue { /* Per-queue data for xenvif */ u16 dealloc_ring[MAX_PENDING_REQS]; struct task_struct *dealloc_task; wait_queue_head_t dealloc_wq; + atomic_t inflight_packets; /* Use kthread for guest RX */ struct task_struct *task; @@ -329,4 +330,8 @@ extern unsigned int xenvif_max_queues; extern struct dentry *xen_netback_dbg_root; #endif +void xenvif_skb_zerocopy_prepare(struct xenvif_queue *queue, + struct sk_buff *skb); +void xenvif_skb_zerocopy_complete(struct xenvif_queue *queue); + #endif /* __XEN_NETBACK__COMMON_H__ */ diff --git a/drivers/net/xen-netback/interface.c b/drivers/net/xen-netback/interface.c index 48a55cda979b..e29e15dca86e 100644 --- a/drivers/net/xen-netback/interface.c +++ b/drivers/net/xen-netback/interface.c @@ -43,6 +43,23 @@ #define XENVIF_QUEUE_LENGTH 32 #define XENVIF_NAPI_WEIGHT 64 +/* This function is used to set SKBTX_DEV_ZEROCOPY as well as + * increasing the inflight counter. We need to increase the inflight + * counter because core driver calls into xenvif_zerocopy_callback + * which calls xenvif_skb_zerocopy_complete. + */ +void xenvif_skb_zerocopy_prepare(struct xenvif_queue *queue, + struct sk_buff *skb) +{ + skb_shinfo(skb)->tx_flags |= SKBTX_DEV_ZEROCOPY; + atomic_inc(&queue->inflight_packets); +} + +void xenvif_skb_zerocopy_complete(struct xenvif_queue *queue) +{ + atomic_dec(&queue->inflight_packets); +} + static inline void xenvif_stop_queue(struct xenvif_queue *queue) { struct net_device *dev = queue->vif->dev; @@ -78,12 +95,8 @@ int xenvif_poll(struct napi_struct *napi, int budget) /* This vif is rogue, we pretend we've there is nothing to do * for this vif to deschedule it from NAPI. But this interface * will be turned off in thread context later. - * Also, if a guest doesn't post enough slots to receive data on one of - * its queues, the carrier goes down and NAPI is descheduled here so - * the guest can't send more packets until it's ready to receive. */ - if (unlikely(queue->vif->disabled || - !netif_carrier_ok(queue->vif->dev))) { + if (unlikely(queue->vif->disabled)) { napi_complete(napi); return 0; } @@ -528,9 +541,6 @@ int xenvif_init_queue(struct xenvif_queue *queue) init_timer(&queue->rx_stalled); - netif_napi_add(queue->vif->dev, &queue->napi, xenvif_poll, - XENVIF_NAPI_WEIGHT); - return 0; } @@ -564,6 +574,7 @@ int xenvif_connect(struct xenvif_queue *queue, unsigned long tx_ring_ref, init_waitqueue_head(&queue->wq); init_waitqueue_head(&queue->dealloc_wq); + atomic_set(&queue->inflight_packets, 0); if (tx_evtchn == rx_evtchn) { /* feature-split-event-channels == 0 */ @@ -618,6 +629,9 @@ int xenvif_connect(struct xenvif_queue *queue, unsigned long tx_ring_ref, wake_up_process(queue->task); wake_up_process(queue->dealloc_task); + netif_napi_add(queue->vif->dev, &queue->napi, xenvif_poll, + XENVIF_NAPI_WEIGHT); + return 0; err_rx_unbind: @@ -646,25 +660,6 @@ void xenvif_carrier_off(struct xenvif *vif) rtnl_unlock(); } -static void xenvif_wait_unmap_timeout(struct xenvif_queue *queue, - unsigned int worst_case_skb_lifetime) -{ - int i, unmap_timeout = 0; - - for (i = 0; i < MAX_PENDING_REQS; ++i) { - if (queue->grant_tx_handle[i] != NETBACK_INVALID_HANDLE) { - unmap_timeout++; - schedule_timeout(msecs_to_jiffies(1000)); - if (unmap_timeout > worst_case_skb_lifetime && - net_ratelimit()) - netdev_err(queue->vif->dev, - "Page still granted! Index: %x\n", - i); - i = -1; - } - } -} - void xenvif_disconnect(struct xenvif *vif) { struct xenvif_queue *queue = NULL; @@ -676,6 +671,8 @@ void xenvif_disconnect(struct xenvif *vif) for (queue_index = 0; queue_index < num_queues; ++queue_index) { queue = &vif->queues[queue_index]; + netif_napi_del(&queue->napi); + if (queue->task) { del_timer_sync(&queue->rx_stalled); kthread_stop(queue->task); @@ -708,7 +705,6 @@ void xenvif_disconnect(struct xenvif *vif) void xenvif_deinit_queue(struct xenvif_queue *queue) { free_xenballooned_pages(MAX_PENDING_REQS, queue->mmap_pages); - netif_napi_del(&queue->napi); } void xenvif_free(struct xenvif *vif) @@ -716,21 +712,11 @@ void xenvif_free(struct xenvif *vif) struct xenvif_queue *queue = NULL; unsigned int num_queues = vif->num_queues; unsigned int queue_index; - /* Here we want to avoid timeout messages if an skb can be legitimately - * stuck somewhere else. Realistically this could be an another vif's - * internal or QDisc queue. That another vif also has this - * rx_drain_timeout_msecs timeout, so give it time to drain out. - * Although if that other guest wakes up just before its timeout happens - * and takes only one skb from QDisc, it can hold onto other skbs for a - * longer period. - */ - unsigned int worst_case_skb_lifetime = (rx_drain_timeout_msecs/1000); unregister_netdev(vif->dev); for (queue_index = 0; queue_index < num_queues; ++queue_index) { queue = &vif->queues[queue_index]; - xenvif_wait_unmap_timeout(queue, worst_case_skb_lifetime); xenvif_deinit_queue(queue); } diff --git a/drivers/net/xen-netback/netback.c b/drivers/net/xen-netback/netback.c index aa2093325be1..08f65996534c 100644 --- a/drivers/net/xen-netback/netback.c +++ b/drivers/net/xen-netback/netback.c @@ -1525,10 +1525,12 @@ static int xenvif_handle_frag_list(struct xenvif_queue *queue, struct sk_buff *s /* remove traces of mapped pages and frag_list */ skb_frag_list_init(skb); uarg = skb_shinfo(skb)->destructor_arg; + /* increase inflight counter to offset decrement in callback */ + atomic_inc(&queue->inflight_packets); uarg->callback(uarg, true); skb_shinfo(skb)->destructor_arg = NULL; - skb_shinfo(nskb)->tx_flags |= SKBTX_DEV_ZEROCOPY; + xenvif_skb_zerocopy_prepare(queue, nskb); kfree_skb(nskb); return 0; @@ -1589,7 +1591,7 @@ static int xenvif_tx_submit(struct xenvif_queue *queue) if (net_ratelimit()) netdev_err(queue->vif->dev, "Not enough memory to consolidate frag_list!\n"); - skb_shinfo(skb)->tx_flags |= SKBTX_DEV_ZEROCOPY; + xenvif_skb_zerocopy_prepare(queue, skb); kfree_skb(skb); continue; } @@ -1609,7 +1611,7 @@ static int xenvif_tx_submit(struct xenvif_queue *queue) "Can't setup checksum in net_tx_action\n"); /* We have to set this flag to trigger the callback */ if (skb_shinfo(skb)->destructor_arg) - skb_shinfo(skb)->tx_flags |= SKBTX_DEV_ZEROCOPY; + xenvif_skb_zerocopy_prepare(queue, skb); kfree_skb(skb); continue; } @@ -1641,7 +1643,7 @@ static int xenvif_tx_submit(struct xenvif_queue *queue) * skb. E.g. the __pskb_pull_tail earlier can do such thing. */ if (skb_shinfo(skb)->destructor_arg) { - skb_shinfo(skb)->tx_flags |= SKBTX_DEV_ZEROCOPY; + xenvif_skb_zerocopy_prepare(queue, skb); queue->stats.tx_zerocopy_sent++; } @@ -1681,6 +1683,7 @@ void xenvif_zerocopy_callback(struct ubuf_info *ubuf, bool zerocopy_success) queue->stats.tx_zerocopy_success++; else queue->stats.tx_zerocopy_fail++; + xenvif_skb_zerocopy_complete(queue); } static inline void xenvif_tx_dealloc_action(struct xenvif_queue *queue) @@ -2025,9 +2028,15 @@ int xenvif_kthread_guest_rx(void *data) * context so we defer it here, if this thread is * associated with queue 0. */ - if (unlikely(queue->vif->disabled && queue->id == 0)) + if (unlikely(queue->vif->disabled && queue->id == 0)) { xenvif_carrier_off(queue->vif); - else if (unlikely(test_and_clear_bit(QUEUE_STATUS_RX_PURGE_EVENT, + } else if (unlikely(queue->vif->disabled)) { + /* kthread_stop() would be called upon this thread soon, + * be a bit proactive + */ + skb_queue_purge(&queue->rx_queue); + queue->rx_last_skb_slots = 0; + } else if (unlikely(test_and_clear_bit(QUEUE_STATUS_RX_PURGE_EVENT, &queue->status))) { xenvif_rx_purge_event(queue); } else if (!netif_carrier_ok(queue->vif->dev)) { @@ -2052,15 +2061,24 @@ int xenvif_kthread_guest_rx(void *data) return 0; } +static bool xenvif_dealloc_kthread_should_stop(struct xenvif_queue *queue) +{ + /* Dealloc thread must remain running until all inflight + * packets complete. + */ + return kthread_should_stop() && + !atomic_read(&queue->inflight_packets); +} + int xenvif_dealloc_kthread(void *data) { struct xenvif_queue *queue = data; - while (!kthread_should_stop()) { + for (;;) { wait_event_interruptible(queue->dealloc_wq, tx_dealloc_work_todo(queue) || - kthread_should_stop()); - if (kthread_should_stop()) + xenvif_dealloc_kthread_should_stop(queue)); + if (xenvif_dealloc_kthread_should_stop(queue)) break; xenvif_tx_dealloc_action(queue); diff --git a/drivers/net/xen-netback/xenbus.c b/drivers/net/xen-netback/xenbus.c index 580517d857bf..9c47b897b6d2 100644 --- a/drivers/net/xen-netback/xenbus.c +++ b/drivers/net/xen-netback/xenbus.c @@ -116,6 +116,7 @@ static int xenvif_read_io_ring(struct seq_file *m, void *v) } #define XENVIF_KICK_STR "kick" +#define BUFFER_SIZE 32 static ssize_t xenvif_write_io_ring(struct file *filp, const char __user *buf, size_t count, @@ -124,22 +125,24 @@ xenvif_write_io_ring(struct file *filp, const char __user *buf, size_t count, struct xenvif_queue *queue = ((struct seq_file *)filp->private_data)->private; int len; - char write[sizeof(XENVIF_KICK_STR)]; + char write[BUFFER_SIZE]; /* don't allow partial writes and check the length */ if (*ppos != 0) return 0; - if (count < sizeof(XENVIF_KICK_STR) - 1) + if (count >= sizeof(write)) return -ENOSPC; len = simple_write_to_buffer(write, - sizeof(write), + sizeof(write) - 1, ppos, buf, count); if (len < 0) return len; + write[len] = '\0'; + if (!strncmp(write, XENVIF_KICK_STR, sizeof(XENVIF_KICK_STR) - 1)) xenvif_interrupt(0, (void *)queue); else { @@ -171,10 +174,9 @@ static const struct file_operations xenvif_dbg_io_ring_ops_fops = { .write = xenvif_write_io_ring, }; -static void xenvif_debugfs_addif(struct xenvif_queue *queue) +static void xenvif_debugfs_addif(struct xenvif *vif) { struct dentry *pfile; - struct xenvif *vif = queue->vif; int i; if (IS_ERR_OR_NULL(xen_netback_dbg_root)) @@ -733,10 +735,11 @@ static void connect(struct backend_info *be) be->vif->num_queues = queue_index; goto err; } + } + #ifdef CONFIG_DEBUG_FS - xenvif_debugfs_addif(queue); + xenvif_debugfs_addif(be->vif); #endif /* CONFIG_DEBUG_FS */ - } /* Initialisation completed, tell core driver the number of * active queues. diff --git a/drivers/net/xen-netfront.c b/drivers/net/xen-netfront.c index 28204bc4f369..ca82f545ec2c 100644 --- a/drivers/net/xen-netfront.c +++ b/drivers/net/xen-netfront.c @@ -628,9 +628,10 @@ static int xennet_start_xmit(struct sk_buff *skb, struct net_device *dev) slots = DIV_ROUND_UP(offset + len, PAGE_SIZE) + xennet_count_skb_frag_slots(skb); if (unlikely(slots > MAX_SKB_FRAGS + 1)) { - net_alert_ratelimited( - "xennet: skb rides the rocket: %d slots\n", slots); - goto drop; + net_dbg_ratelimited("xennet: skb rides the rocket: %d slots, %d bytes\n", + slots, skb->len); + if (skb_linearize(skb)) + goto drop; } spin_lock_irqsave(&queue->tx_lock, flags); diff --git a/drivers/of/Kconfig b/drivers/of/Kconfig index 2dcb0541012d..5160c4eb73c2 100644 --- a/drivers/of/Kconfig +++ b/drivers/of/Kconfig @@ -9,7 +9,8 @@ menu "Device Tree and Open Firmware support" config OF_SELFTEST bool "Device Tree Runtime self tests" - depends on OF_IRQ + depends on OF_IRQ && OF_EARLY_FLATTREE + select OF_DYNAMIC help This option builds in test cases for the device tree infrastructure that are executed once at boot time, and the results dumped to the diff --git a/drivers/of/Makefile b/drivers/of/Makefile index 099b1fb00af4..2b6a7b129d10 100644 --- a/drivers/of/Makefile +++ b/drivers/of/Makefile @@ -1,11 +1,13 @@ obj-y = base.o device.o platform.o +obj-$(CONFIG_OF_DYNAMIC) += dynamic.o obj-$(CONFIG_OF_FLATTREE) += fdt.o obj-$(CONFIG_OF_EARLY_FLATTREE) += fdt_address.o obj-$(CONFIG_OF_PROMTREE) += pdt.o obj-$(CONFIG_OF_ADDRESS) += address.o obj-$(CONFIG_OF_IRQ) += irq.o obj-$(CONFIG_OF_NET) += of_net.o -obj-$(CONFIG_OF_SELFTEST) += selftest.o +obj-$(CONFIG_OF_SELFTEST) += of_selftest.o +of_selftest-objs := selftest.o testcase-data/testcases.dtb.o obj-$(CONFIG_OF_MDIO) += of_mdio.o obj-$(CONFIG_OF_PCI) += of_pci.o obj-$(CONFIG_OF_PCI_IRQ) += of_pci_irq.o diff --git a/drivers/of/base.c b/drivers/of/base.c index b9864806e9b8..d8574adf0d62 100644 --- a/drivers/of/base.c +++ b/drivers/of/base.c @@ -17,6 +17,7 @@ * as published by the Free Software Foundation; either version * 2 of the License, or (at your option) any later version. */ +#include <linux/console.h> #include <linux/ctype.h> #include <linux/cpu.h> #include <linux/module.h> @@ -35,15 +36,17 @@ struct device_node *of_allnodes; EXPORT_SYMBOL(of_allnodes); struct device_node *of_chosen; struct device_node *of_aliases; -static struct device_node *of_stdout; +struct device_node *of_stdout; -static struct kset *of_kset; +struct kset *of_kset; /* - * Used to protect the of_aliases; but also overloaded to hold off addition of - * nodes to sysfs + * Used to protect the of_aliases, to hold off addition of nodes to sysfs. + * This mutex must be held whenever modifications are being made to the + * device tree. The of_{attach,detach}_node() and + * of_{add,remove,update}_property() helpers make sure this happens. */ -DEFINE_MUTEX(of_aliases_mutex); +DEFINE_MUTEX(of_mutex); /* use when traversing tree through the allnext, child, sibling, * or parent members of struct device_node. @@ -89,79 +92,7 @@ int __weak of_node_to_nid(struct device_node *np) } #endif -#if defined(CONFIG_OF_DYNAMIC) -/** - * of_node_get - Increment refcount of a node - * @node: Node to inc refcount, NULL is supported to - * simplify writing of callers - * - * Returns node. - */ -struct device_node *of_node_get(struct device_node *node) -{ - if (node) - kobject_get(&node->kobj); - return node; -} -EXPORT_SYMBOL(of_node_get); - -static inline struct device_node *kobj_to_device_node(struct kobject *kobj) -{ - return container_of(kobj, struct device_node, kobj); -} - -/** - * of_node_release - release a dynamically allocated node - * @kref: kref element of the node to be released - * - * In of_node_put() this function is passed to kref_put() - * as the destructor. - */ -static void of_node_release(struct kobject *kobj) -{ - struct device_node *node = kobj_to_device_node(kobj); - struct property *prop = node->properties; - - /* We should never be releasing nodes that haven't been detached. */ - if (!of_node_check_flag(node, OF_DETACHED)) { - pr_err("ERROR: Bad of_node_put() on %s\n", node->full_name); - dump_stack(); - return; - } - - if (!of_node_check_flag(node, OF_DYNAMIC)) - return; - - while (prop) { - struct property *next = prop->next; - kfree(prop->name); - kfree(prop->value); - kfree(prop); - prop = next; - - if (!prop) { - prop = node->deadprops; - node->deadprops = NULL; - } - } - kfree(node->full_name); - kfree(node->data); - kfree(node); -} - -/** - * of_node_put - Decrement refcount of a node - * @node: Node to dec refcount, NULL is supported to - * simplify writing of callers - * - */ -void of_node_put(struct device_node *node) -{ - if (node) - kobject_put(&node->kobj); -} -EXPORT_SYMBOL(of_node_put); -#else +#ifndef CONFIG_OF_DYNAMIC static void of_node_release(struct kobject *kobj) { /* Without CONFIG_OF_DYNAMIC, no nodes gets freed */ @@ -200,13 +131,16 @@ static const char *safe_name(struct kobject *kobj, const char *orig_name) return name; } -static int __of_add_property_sysfs(struct device_node *np, struct property *pp) +int __of_add_property_sysfs(struct device_node *np, struct property *pp) { int rc; /* Important: Don't leak passwords */ bool secure = strncmp(pp->name, "security-", 9) == 0; + if (!of_kset || !of_node_is_attached(np)) + return 0; + sysfs_bin_attr_init(&pp->attr); pp->attr.attr.name = safe_name(&np->kobj, pp->name); pp->attr.attr.mode = secure ? S_IRUSR : S_IRUGO; @@ -218,12 +152,15 @@ static int __of_add_property_sysfs(struct device_node *np, struct property *pp) return rc; } -static int __of_node_add(struct device_node *np) +int __of_attach_node_sysfs(struct device_node *np) { const char *name; struct property *pp; int rc; + if (!of_kset) + return 0; + np->kobj.kset = of_kset; if (!np->parent) { /* Nodes without parents are new top level trees */ @@ -245,59 +182,20 @@ static int __of_node_add(struct device_node *np) return 0; } -int of_node_add(struct device_node *np) -{ - int rc = 0; - - BUG_ON(!of_node_is_initialized(np)); - - /* - * Grab the mutex here so that in a race condition between of_init() and - * of_node_add(), node addition will still be consistent. - */ - mutex_lock(&of_aliases_mutex); - if (of_kset) - rc = __of_node_add(np); - else - /* This scenario may be perfectly valid, but report it anyway */ - pr_info("of_node_add(%s) before of_init()\n", np->full_name); - mutex_unlock(&of_aliases_mutex); - return rc; -} - -#if defined(CONFIG_OF_DYNAMIC) -static void of_node_remove(struct device_node *np) -{ - struct property *pp; - - BUG_ON(!of_node_is_initialized(np)); - - /* only remove properties if on sysfs */ - if (of_node_is_attached(np)) { - for_each_property_of_node(np, pp) - sysfs_remove_bin_file(&np->kobj, &pp->attr); - kobject_del(&np->kobj); - } - - /* finally remove the kobj_init ref */ - of_node_put(np); -} -#endif - static int __init of_init(void) { struct device_node *np; /* Create the kset, and register existing nodes */ - mutex_lock(&of_aliases_mutex); + mutex_lock(&of_mutex); of_kset = kset_create_and_add("devicetree", NULL, firmware_kobj); if (!of_kset) { - mutex_unlock(&of_aliases_mutex); + mutex_unlock(&of_mutex); return -ENOMEM; } for_each_of_allnodes(np) - __of_node_add(np); - mutex_unlock(&of_aliases_mutex); + __of_attach_node_sysfs(np); + mutex_unlock(&of_mutex); /* Symlink in /proc as required by userspace ABI */ if (of_allnodes) @@ -369,8 +267,8 @@ EXPORT_SYMBOL(of_find_all_nodes); * Find a property with a given name for a given node * and return the value. */ -static const void *__of_get_property(const struct device_node *np, - const char *name, int *lenp) +const void *__of_get_property(const struct device_node *np, + const char *name, int *lenp) { struct property *pp = __of_find_property(np, name, lenp); @@ -1748,32 +1646,10 @@ int of_count_phandle_with_args(const struct device_node *np, const char *list_na } EXPORT_SYMBOL(of_count_phandle_with_args); -#if defined(CONFIG_OF_DYNAMIC) -static int of_property_notify(int action, struct device_node *np, - struct property *prop) -{ - struct of_prop_reconfig pr; - - /* only call notifiers if the node is attached */ - if (!of_node_is_attached(np)) - return 0; - - pr.dn = np; - pr.prop = prop; - return of_reconfig_notify(action, &pr); -} -#else -static int of_property_notify(int action, struct device_node *np, - struct property *prop) -{ - return 0; -} -#endif - /** * __of_add_property - Add a property to a node without lock operations */ -static int __of_add_property(struct device_node *np, struct property *prop) +int __of_add_property(struct device_node *np, struct property *prop) { struct property **next; @@ -1799,22 +1675,49 @@ int of_add_property(struct device_node *np, struct property *prop) unsigned long flags; int rc; - rc = of_property_notify(OF_RECONFIG_ADD_PROPERTY, np, prop); - if (rc) - return rc; + mutex_lock(&of_mutex); raw_spin_lock_irqsave(&devtree_lock, flags); rc = __of_add_property(np, prop); raw_spin_unlock_irqrestore(&devtree_lock, flags); - if (rc) - return rc; - if (of_node_is_attached(np)) + if (!rc) __of_add_property_sysfs(np, prop); + mutex_unlock(&of_mutex); + + if (!rc) + of_property_notify(OF_RECONFIG_ADD_PROPERTY, np, prop, NULL); + return rc; } +int __of_remove_property(struct device_node *np, struct property *prop) +{ + struct property **next; + + for (next = &np->properties; *next; next = &(*next)->next) { + if (*next == prop) + break; + } + if (*next == NULL) + return -ENODEV; + + /* found the node */ + *next = prop->next; + prop->next = np->deadprops; + np->deadprops = prop; + + return 0; +} + +void __of_remove_property_sysfs(struct device_node *np, struct property *prop) +{ + /* at early boot, bail here and defer setup to of_init() */ + if (of_kset && of_node_is_attached(np)) + sysfs_remove_bin_file(&np->kobj, &prop->attr); +} + /** * of_remove_property - Remove a property from a node. * @@ -1825,211 +1728,98 @@ int of_add_property(struct device_node *np, struct property *prop) */ int of_remove_property(struct device_node *np, struct property *prop) { - struct property **next; unsigned long flags; - int found = 0; int rc; - rc = of_property_notify(OF_RECONFIG_REMOVE_PROPERTY, np, prop); - if (rc) - return rc; + mutex_lock(&of_mutex); raw_spin_lock_irqsave(&devtree_lock, flags); - next = &np->properties; - while (*next) { - if (*next == prop) { - /* found the node */ - *next = prop->next; - prop->next = np->deadprops; - np->deadprops = prop; - found = 1; - break; - } - next = &(*next)->next; - } + rc = __of_remove_property(np, prop); raw_spin_unlock_irqrestore(&devtree_lock, flags); - if (!found) - return -ENODEV; + if (!rc) + __of_remove_property_sysfs(np, prop); - /* at early boot, bail hear and defer setup to of_init() */ - if (!of_kset) - return 0; + mutex_unlock(&of_mutex); - sysfs_remove_bin_file(&np->kobj, &prop->attr); + if (!rc) + of_property_notify(OF_RECONFIG_REMOVE_PROPERTY, np, prop, NULL); - return 0; + return rc; } -/* - * of_update_property - Update a property in a node, if the property does - * not exist, add it. - * - * Note that we don't actually remove it, since we have given out - * who-knows-how-many pointers to the data using get-property. - * Instead we just move the property to the "dead properties" list, - * and add the new property to the property list - */ -int of_update_property(struct device_node *np, struct property *newprop) +int __of_update_property(struct device_node *np, struct property *newprop, + struct property **oldpropp) { struct property **next, *oldprop; - unsigned long flags; - int rc; - - rc = of_property_notify(OF_RECONFIG_UPDATE_PROPERTY, np, newprop); - if (rc) - return rc; - if (!newprop->name) - return -EINVAL; + for (next = &np->properties; *next; next = &(*next)->next) { + if (of_prop_cmp((*next)->name, newprop->name) == 0) + break; + } + *oldpropp = oldprop = *next; - raw_spin_lock_irqsave(&devtree_lock, flags); - next = &np->properties; - oldprop = __of_find_property(np, newprop->name, NULL); - if (!oldprop) { - /* add the new node */ - rc = __of_add_property(np, newprop); - } else while (*next) { + if (oldprop) { /* replace the node */ - if (*next == oldprop) { - newprop->next = oldprop->next; - *next = newprop; - oldprop->next = np->deadprops; - np->deadprops = oldprop; - break; - } - next = &(*next)->next; + newprop->next = oldprop->next; + *next = newprop; + oldprop->next = np->deadprops; + np->deadprops = oldprop; + } else { + /* new node */ + newprop->next = NULL; + *next = newprop; } - raw_spin_unlock_irqrestore(&devtree_lock, flags); - if (rc) - return rc; + return 0; +} + +void __of_update_property_sysfs(struct device_node *np, struct property *newprop, + struct property *oldprop) +{ /* At early boot, bail out and defer setup to of_init() */ if (!of_kset) - return 0; + return; - /* Update the sysfs attribute */ if (oldprop) sysfs_remove_bin_file(&np->kobj, &oldprop->attr); __of_add_property_sysfs(np, newprop); - - return 0; } -#if defined(CONFIG_OF_DYNAMIC) /* - * Support for dynamic device trees. + * of_update_property - Update a property in a node, if the property does + * not exist, add it. * - * On some platforms, the device tree can be manipulated at runtime. - * The routines in this section support adding, removing and changing - * device tree nodes. - */ - -static BLOCKING_NOTIFIER_HEAD(of_reconfig_chain); - -int of_reconfig_notifier_register(struct notifier_block *nb) -{ - return blocking_notifier_chain_register(&of_reconfig_chain, nb); -} -EXPORT_SYMBOL_GPL(of_reconfig_notifier_register); - -int of_reconfig_notifier_unregister(struct notifier_block *nb) -{ - return blocking_notifier_chain_unregister(&of_reconfig_chain, nb); -} -EXPORT_SYMBOL_GPL(of_reconfig_notifier_unregister); - -int of_reconfig_notify(unsigned long action, void *p) -{ - int rc; - - rc = blocking_notifier_call_chain(&of_reconfig_chain, action, p); - return notifier_to_errno(rc); -} - -/** - * of_attach_node - Plug a device node into the tree and global list. + * Note that we don't actually remove it, since we have given out + * who-knows-how-many pointers to the data using get-property. + * Instead we just move the property to the "dead properties" list, + * and add the new property to the property list */ -int of_attach_node(struct device_node *np) +int of_update_property(struct device_node *np, struct property *newprop) { + struct property *oldprop; unsigned long flags; int rc; - rc = of_reconfig_notify(OF_RECONFIG_ATTACH_NODE, np); - if (rc) - return rc; - - raw_spin_lock_irqsave(&devtree_lock, flags); - np->sibling = np->parent->child; - np->allnext = np->parent->allnext; - np->parent->allnext = np; - np->parent->child = np; - of_node_clear_flag(np, OF_DETACHED); - raw_spin_unlock_irqrestore(&devtree_lock, flags); - - of_node_add(np); - return 0; -} - -/** - * of_detach_node - "Unplug" a node from the device tree. - * - * The caller must hold a reference to the node. The memory associated with - * the node is not freed until its refcount goes to zero. - */ -int of_detach_node(struct device_node *np) -{ - struct device_node *parent; - unsigned long flags; - int rc = 0; + if (!newprop->name) + return -EINVAL; - rc = of_reconfig_notify(OF_RECONFIG_DETACH_NODE, np); - if (rc) - return rc; + mutex_lock(&of_mutex); raw_spin_lock_irqsave(&devtree_lock, flags); + rc = __of_update_property(np, newprop, &oldprop); + raw_spin_unlock_irqrestore(&devtree_lock, flags); - if (of_node_check_flag(np, OF_DETACHED)) { - /* someone already detached it */ - raw_spin_unlock_irqrestore(&devtree_lock, flags); - return rc; - } - - parent = np->parent; - if (!parent) { - raw_spin_unlock_irqrestore(&devtree_lock, flags); - return rc; - } + if (!rc) + __of_update_property_sysfs(np, newprop, oldprop); - if (of_allnodes == np) - of_allnodes = np->allnext; - else { - struct device_node *prev; - for (prev = of_allnodes; - prev->allnext != np; - prev = prev->allnext) - ; - prev->allnext = np->allnext; - } + mutex_unlock(&of_mutex); - if (parent->child == np) - parent->child = np->sibling; - else { - struct device_node *prevsib; - for (prevsib = np->parent->child; - prevsib->sibling != np; - prevsib = prevsib->sibling) - ; - prevsib->sibling = np->sibling; - } - - of_node_set_flag(np, OF_DETACHED); - raw_spin_unlock_irqrestore(&devtree_lock, flags); + if (!rc) + of_property_notify(OF_RECONFIG_UPDATE_PROPERTY, np, newprop, oldprop); - of_node_remove(np); return rc; } -#endif /* defined(CONFIG_OF_DYNAMIC) */ static void of_alias_add(struct alias_prop *ap, struct device_node *np, int id, const char *stem, int stem_len) @@ -2062,9 +1852,12 @@ void of_alias_scan(void * (*dt_alloc)(u64 size, u64 align)) of_chosen = of_find_node_by_path("/chosen@0"); if (of_chosen) { + /* linux,stdout-path and /aliases/stdout are for legacy compatibility */ const char *name = of_get_property(of_chosen, "stdout-path", NULL); if (!name) name = of_get_property(of_chosen, "linux,stdout-path", NULL); + if (IS_ENABLED(CONFIG_PPC) && !name) + name = of_get_property(of_aliases, "stdout", NULL); if (name) of_stdout = of_find_node_by_path(name); } @@ -2122,7 +1915,7 @@ int of_alias_get_id(struct device_node *np, const char *stem) struct alias_prop *app; int id = -ENODEV; - mutex_lock(&of_aliases_mutex); + mutex_lock(&of_mutex); list_for_each_entry(app, &aliases_lookup, link) { if (strcmp(app->stem, stem) != 0) continue; @@ -2132,7 +1925,7 @@ int of_alias_get_id(struct device_node *np, const char *stem) break; } } - mutex_unlock(&of_aliases_mutex); + mutex_unlock(&of_mutex); return id; } @@ -2180,20 +1973,22 @@ const char *of_prop_next_string(struct property *prop, const char *cur) EXPORT_SYMBOL_GPL(of_prop_next_string); /** - * of_device_is_stdout_path - check if a device node matches the - * linux,stdout-path property - * - * Check if this device node matches the linux,stdout-path property - * in the chosen node. return true if yes, false otherwise. + * of_console_check() - Test and setup console for DT setup + * @dn - Pointer to device node + * @name - Name to use for preferred console without index. ex. "ttyS" + * @index - Index to use for preferred console. + * + * Check if the given device node matches the stdout-path property in the + * /chosen node. If it does then register it as the preferred console and return + * TRUE. Otherwise return FALSE. */ -int of_device_is_stdout_path(struct device_node *dn) +bool of_console_check(struct device_node *dn, char *name, int index) { - if (!of_stdout) + if (!dn || dn != of_stdout || console_set_on_cmdline) return false; - - return of_stdout == dn; + return add_preferred_console(name, index, NULL); } -EXPORT_SYMBOL_GPL(of_device_is_stdout_path); +EXPORT_SYMBOL_GPL(of_console_check); /** * of_find_next_cache_node - Find a node's subsidiary cache diff --git a/drivers/of/device.c b/drivers/of/device.c index dafb9736ab9b..46d6c75c1404 100644 --- a/drivers/of/device.c +++ b/drivers/of/device.c @@ -160,7 +160,7 @@ void of_device_uevent(struct device *dev, struct kobj_uevent_env *env) add_uevent_var(env, "OF_COMPATIBLE_N=%d", seen); seen = 0; - mutex_lock(&of_aliases_mutex); + mutex_lock(&of_mutex); list_for_each_entry(app, &aliases_lookup, link) { if (dev->of_node == app->np) { add_uevent_var(env, "OF_ALIAS_%d=%s", seen, @@ -168,7 +168,7 @@ void of_device_uevent(struct device *dev, struct kobj_uevent_env *env) seen++; } } - mutex_unlock(&of_aliases_mutex); + mutex_unlock(&of_mutex); } int of_device_uevent_modalias(struct device *dev, struct kobj_uevent_env *env) diff --git a/drivers/of/dynamic.c b/drivers/of/dynamic.c new file mode 100644 index 000000000000..54fecc49a1fe --- /dev/null +++ b/drivers/of/dynamic.c @@ -0,0 +1,660 @@ +/* + * Support for dynamic device trees. + * + * On some platforms, the device tree can be manipulated at runtime. + * The routines in this section support adding, removing and changing + * device tree nodes. + */ + +#include <linux/of.h> +#include <linux/spinlock.h> +#include <linux/slab.h> +#include <linux/string.h> +#include <linux/proc_fs.h> + +#include "of_private.h" + +/** + * of_node_get() - Increment refcount of a node + * @node: Node to inc refcount, NULL is supported to simplify writing of + * callers + * + * Returns node. + */ +struct device_node *of_node_get(struct device_node *node) +{ + if (node) + kobject_get(&node->kobj); + return node; +} +EXPORT_SYMBOL(of_node_get); + +/** + * of_node_put() - Decrement refcount of a node + * @node: Node to dec refcount, NULL is supported to simplify writing of + * callers + */ +void of_node_put(struct device_node *node) +{ + if (node) + kobject_put(&node->kobj); +} +EXPORT_SYMBOL(of_node_put); + +void __of_detach_node_sysfs(struct device_node *np) +{ + struct property *pp; + + BUG_ON(!of_node_is_initialized(np)); + if (!of_kset) + return; + + /* only remove properties if on sysfs */ + if (of_node_is_attached(np)) { + for_each_property_of_node(np, pp) + sysfs_remove_bin_file(&np->kobj, &pp->attr); + kobject_del(&np->kobj); + } + + /* finally remove the kobj_init ref */ + of_node_put(np); +} + +static BLOCKING_NOTIFIER_HEAD(of_reconfig_chain); + +int of_reconfig_notifier_register(struct notifier_block *nb) +{ + return blocking_notifier_chain_register(&of_reconfig_chain, nb); +} +EXPORT_SYMBOL_GPL(of_reconfig_notifier_register); + +int of_reconfig_notifier_unregister(struct notifier_block *nb) +{ + return blocking_notifier_chain_unregister(&of_reconfig_chain, nb); +} +EXPORT_SYMBOL_GPL(of_reconfig_notifier_unregister); + +int of_reconfig_notify(unsigned long action, void *p) +{ + int rc; + + rc = blocking_notifier_call_chain(&of_reconfig_chain, action, p); + return notifier_to_errno(rc); +} + +int of_property_notify(int action, struct device_node *np, + struct property *prop, struct property *oldprop) +{ + struct of_prop_reconfig pr; + + /* only call notifiers if the node is attached */ + if (!of_node_is_attached(np)) + return 0; + + pr.dn = np; + pr.prop = prop; + pr.old_prop = oldprop; + return of_reconfig_notify(action, &pr); +} + +void __of_attach_node(struct device_node *np) +{ + const __be32 *phandle; + int sz; + + np->name = __of_get_property(np, "name", NULL) ? : "<NULL>"; + np->type = __of_get_property(np, "device_type", NULL) ? : "<NULL>"; + + phandle = __of_get_property(np, "phandle", &sz); + if (!phandle) + phandle = __of_get_property(np, "linux,phandle", &sz); + if (IS_ENABLED(PPC_PSERIES) && !phandle) + phandle = __of_get_property(np, "ibm,phandle", &sz); + np->phandle = (phandle && (sz >= 4)) ? be32_to_cpup(phandle) : 0; + + np->child = NULL; + np->sibling = np->parent->child; + np->allnext = np->parent->allnext; + np->parent->allnext = np; + np->parent->child = np; + of_node_clear_flag(np, OF_DETACHED); +} + +/** + * of_attach_node() - Plug a device node into the tree and global list. + */ +int of_attach_node(struct device_node *np) +{ + unsigned long flags; + + mutex_lock(&of_mutex); + raw_spin_lock_irqsave(&devtree_lock, flags); + __of_attach_node(np); + raw_spin_unlock_irqrestore(&devtree_lock, flags); + + __of_attach_node_sysfs(np); + mutex_unlock(&of_mutex); + + of_reconfig_notify(OF_RECONFIG_ATTACH_NODE, np); + + return 0; +} + +void __of_detach_node(struct device_node *np) +{ + struct device_node *parent; + + if (WARN_ON(of_node_check_flag(np, OF_DETACHED))) + return; + + parent = np->parent; + if (WARN_ON(!parent)) + return; + + if (of_allnodes == np) + of_allnodes = np->allnext; + else { + struct device_node *prev; + for (prev = of_allnodes; + prev->allnext != np; + prev = prev->allnext) + ; + prev->allnext = np->allnext; + } + + if (parent->child == np) + parent->child = np->sibling; + else { + struct device_node *prevsib; + for (prevsib = np->parent->child; + prevsib->sibling != np; + prevsib = prevsib->sibling) + ; + prevsib->sibling = np->sibling; + } + + of_node_set_flag(np, OF_DETACHED); +} + +/** + * of_detach_node() - "Unplug" a node from the device tree. + * + * The caller must hold a reference to the node. The memory associated with + * the node is not freed until its refcount goes to zero. + */ +int of_detach_node(struct device_node *np) +{ + unsigned long flags; + int rc = 0; + + mutex_lock(&of_mutex); + raw_spin_lock_irqsave(&devtree_lock, flags); + __of_detach_node(np); + raw_spin_unlock_irqrestore(&devtree_lock, flags); + + __of_detach_node_sysfs(np); + mutex_unlock(&of_mutex); + + of_reconfig_notify(OF_RECONFIG_DETACH_NODE, np); + + return rc; +} + +/** + * of_node_release() - release a dynamically allocated node + * @kref: kref element of the node to be released + * + * In of_node_put() this function is passed to kref_put() as the destructor. + */ +void of_node_release(struct kobject *kobj) +{ + struct device_node *node = kobj_to_device_node(kobj); + struct property *prop = node->properties; + + /* We should never be releasing nodes that haven't been detached. */ + if (!of_node_check_flag(node, OF_DETACHED)) { + pr_err("ERROR: Bad of_node_put() on %s\n", node->full_name); + dump_stack(); + return; + } + + if (!of_node_check_flag(node, OF_DYNAMIC)) + return; + + while (prop) { + struct property *next = prop->next; + kfree(prop->name); + kfree(prop->value); + kfree(prop); + prop = next; + + if (!prop) { + prop = node->deadprops; + node->deadprops = NULL; + } + } + kfree(node->full_name); + kfree(node->data); + kfree(node); +} + +/** + * __of_prop_dup - Copy a property dynamically. + * @prop: Property to copy + * @allocflags: Allocation flags (typically pass GFP_KERNEL) + * + * Copy a property by dynamically allocating the memory of both the + * property stucture and the property name & contents. The property's + * flags have the OF_DYNAMIC bit set so that we can differentiate between + * dynamically allocated properties and not. + * Returns the newly allocated property or NULL on out of memory error. + */ +struct property *__of_prop_dup(const struct property *prop, gfp_t allocflags) +{ + struct property *new; + + new = kzalloc(sizeof(*new), allocflags); + if (!new) + return NULL; + + /* + * NOTE: There is no check for zero length value. + * In case of a boolean property, this will allocate a value + * of zero bytes. We do this to work around the use + * of of_get_property() calls on boolean values. + */ + new->name = kstrdup(prop->name, allocflags); + new->value = kmemdup(prop->value, prop->length, allocflags); + new->length = prop->length; + if (!new->name || !new->value) + goto err_free; + + /* mark the property as dynamic */ + of_property_set_flag(new, OF_DYNAMIC); + + return new; + + err_free: + kfree(new->name); + kfree(new->value); + kfree(new); + return NULL; +} + +/** + * __of_node_alloc() - Create an empty device node dynamically. + * @full_name: Full name of the new device node + * @allocflags: Allocation flags (typically pass GFP_KERNEL) + * + * Create an empty device tree node, suitable for further modification. + * The node data are dynamically allocated and all the node flags + * have the OF_DYNAMIC & OF_DETACHED bits set. + * Returns the newly allocated node or NULL on out of memory error. + */ +struct device_node *__of_node_alloc(const char *full_name, gfp_t allocflags) +{ + struct device_node *node; + + node = kzalloc(sizeof(*node), allocflags); + if (!node) + return NULL; + + node->full_name = kstrdup(full_name, allocflags); + of_node_set_flag(node, OF_DYNAMIC); + of_node_set_flag(node, OF_DETACHED); + if (!node->full_name) + goto err_free; + + of_node_init(node); + + return node; + + err_free: + kfree(node->full_name); + kfree(node); + return NULL; +} + +static void __of_changeset_entry_destroy(struct of_changeset_entry *ce) +{ + of_node_put(ce->np); + list_del(&ce->node); + kfree(ce); +} + +#ifdef DEBUG +static void __of_changeset_entry_dump(struct of_changeset_entry *ce) +{ + switch (ce->action) { + case OF_RECONFIG_ADD_PROPERTY: + pr_debug("%p: %s %s/%s\n", + ce, "ADD_PROPERTY ", ce->np->full_name, + ce->prop->name); + break; + case OF_RECONFIG_REMOVE_PROPERTY: + pr_debug("%p: %s %s/%s\n", + ce, "REMOVE_PROPERTY", ce->np->full_name, + ce->prop->name); + break; + case OF_RECONFIG_UPDATE_PROPERTY: + pr_debug("%p: %s %s/%s\n", + ce, "UPDATE_PROPERTY", ce->np->full_name, + ce->prop->name); + break; + case OF_RECONFIG_ATTACH_NODE: + pr_debug("%p: %s %s\n", + ce, "ATTACH_NODE ", ce->np->full_name); + break; + case OF_RECONFIG_DETACH_NODE: + pr_debug("%p: %s %s\n", + ce, "DETACH_NODE ", ce->np->full_name); + break; + } +} +#else +static inline void __of_changeset_entry_dump(struct of_changeset_entry *ce) +{ + /* empty */ +} +#endif + +static void __of_changeset_entry_invert(struct of_changeset_entry *ce, + struct of_changeset_entry *rce) +{ + memcpy(rce, ce, sizeof(*rce)); + + switch (ce->action) { + case OF_RECONFIG_ATTACH_NODE: + rce->action = OF_RECONFIG_DETACH_NODE; + break; + case OF_RECONFIG_DETACH_NODE: + rce->action = OF_RECONFIG_ATTACH_NODE; + break; + case OF_RECONFIG_ADD_PROPERTY: + rce->action = OF_RECONFIG_REMOVE_PROPERTY; + break; + case OF_RECONFIG_REMOVE_PROPERTY: + rce->action = OF_RECONFIG_ADD_PROPERTY; + break; + case OF_RECONFIG_UPDATE_PROPERTY: + rce->old_prop = ce->prop; + rce->prop = ce->old_prop; + break; + } +} + +static void __of_changeset_entry_notify(struct of_changeset_entry *ce, bool revert) +{ + struct of_changeset_entry ce_inverted; + int ret; + + if (revert) { + __of_changeset_entry_invert(ce, &ce_inverted); + ce = &ce_inverted; + } + + switch (ce->action) { + case OF_RECONFIG_ATTACH_NODE: + case OF_RECONFIG_DETACH_NODE: + ret = of_reconfig_notify(ce->action, ce->np); + break; + case OF_RECONFIG_ADD_PROPERTY: + case OF_RECONFIG_REMOVE_PROPERTY: + case OF_RECONFIG_UPDATE_PROPERTY: + ret = of_property_notify(ce->action, ce->np, ce->prop, ce->old_prop); + break; + default: + pr_err("%s: invalid devicetree changeset action: %i\n", __func__, + (int)ce->action); + return; + } + + if (ret) + pr_err("%s: notifier error @%s\n", __func__, ce->np->full_name); +} + +static int __of_changeset_entry_apply(struct of_changeset_entry *ce) +{ + struct property *old_prop, **propp; + unsigned long flags; + int ret = 0; + + __of_changeset_entry_dump(ce); + + raw_spin_lock_irqsave(&devtree_lock, flags); + switch (ce->action) { + case OF_RECONFIG_ATTACH_NODE: + __of_attach_node(ce->np); + break; + case OF_RECONFIG_DETACH_NODE: + __of_detach_node(ce->np); + break; + case OF_RECONFIG_ADD_PROPERTY: + /* If the property is in deadprops then it must be removed */ + for (propp = &ce->np->deadprops; *propp; propp = &(*propp)->next) { + if (*propp == ce->prop) { + *propp = ce->prop->next; + ce->prop->next = NULL; + break; + } + } + + ret = __of_add_property(ce->np, ce->prop); + if (ret) { + pr_err("%s: add_property failed @%s/%s\n", + __func__, ce->np->full_name, + ce->prop->name); + break; + } + break; + case OF_RECONFIG_REMOVE_PROPERTY: + ret = __of_remove_property(ce->np, ce->prop); + if (ret) { + pr_err("%s: remove_property failed @%s/%s\n", + __func__, ce->np->full_name, + ce->prop->name); + break; + } + break; + + case OF_RECONFIG_UPDATE_PROPERTY: + /* If the property is in deadprops then it must be removed */ + for (propp = &ce->np->deadprops; *propp; propp = &(*propp)->next) { + if (*propp == ce->prop) { + *propp = ce->prop->next; + ce->prop->next = NULL; + break; + } + } + + ret = __of_update_property(ce->np, ce->prop, &old_prop); + if (ret) { + pr_err("%s: update_property failed @%s/%s\n", + __func__, ce->np->full_name, + ce->prop->name); + break; + } + break; + default: + ret = -EINVAL; + } + raw_spin_unlock_irqrestore(&devtree_lock, flags); + + if (ret) + return ret; + + switch (ce->action) { + case OF_RECONFIG_ATTACH_NODE: + __of_attach_node_sysfs(ce->np); + break; + case OF_RECONFIG_DETACH_NODE: + __of_detach_node_sysfs(ce->np); + break; + case OF_RECONFIG_ADD_PROPERTY: + /* ignore duplicate names */ + __of_add_property_sysfs(ce->np, ce->prop); + break; + case OF_RECONFIG_REMOVE_PROPERTY: + __of_remove_property_sysfs(ce->np, ce->prop); + break; + case OF_RECONFIG_UPDATE_PROPERTY: + __of_update_property_sysfs(ce->np, ce->prop, ce->old_prop); + break; + } + + return 0; +} + +static inline int __of_changeset_entry_revert(struct of_changeset_entry *ce) +{ + struct of_changeset_entry ce_inverted; + + __of_changeset_entry_invert(ce, &ce_inverted); + return __of_changeset_entry_apply(&ce_inverted); +} + +/** + * of_changeset_init - Initialize a changeset for use + * + * @ocs: changeset pointer + * + * Initialize a changeset structure + */ +void of_changeset_init(struct of_changeset *ocs) +{ + memset(ocs, 0, sizeof(*ocs)); + INIT_LIST_HEAD(&ocs->entries); +} + +/** + * of_changeset_destroy - Destroy a changeset + * + * @ocs: changeset pointer + * + * Destroys a changeset. Note that if a changeset is applied, + * its changes to the tree cannot be reverted. + */ +void of_changeset_destroy(struct of_changeset *ocs) +{ + struct of_changeset_entry *ce, *cen; + + list_for_each_entry_safe_reverse(ce, cen, &ocs->entries, node) + __of_changeset_entry_destroy(ce); +} + +/** + * of_changeset_apply - Applies a changeset + * + * @ocs: changeset pointer + * + * Applies a changeset to the live tree. + * Any side-effects of live tree state changes are applied here on + * sucess, like creation/destruction of devices and side-effects + * like creation of sysfs properties and directories. + * Returns 0 on success, a negative error value in case of an error. + * On error the partially applied effects are reverted. + */ +int of_changeset_apply(struct of_changeset *ocs) +{ + struct of_changeset_entry *ce; + int ret; + + /* perform the rest of the work */ + pr_debug("of_changeset: applying...\n"); + list_for_each_entry(ce, &ocs->entries, node) { + ret = __of_changeset_entry_apply(ce); + if (ret) { + pr_err("%s: Error applying changeset (%d)\n", __func__, ret); + list_for_each_entry_continue_reverse(ce, &ocs->entries, node) + __of_changeset_entry_revert(ce); + return ret; + } + } + pr_debug("of_changeset: applied, emitting notifiers.\n"); + + /* drop the global lock while emitting notifiers */ + mutex_unlock(&of_mutex); + list_for_each_entry(ce, &ocs->entries, node) + __of_changeset_entry_notify(ce, 0); + mutex_lock(&of_mutex); + pr_debug("of_changeset: notifiers sent.\n"); + + return 0; +} + +/** + * of_changeset_revert - Reverts an applied changeset + * + * @ocs: changeset pointer + * + * Reverts a changeset returning the state of the tree to what it + * was before the application. + * Any side-effects like creation/destruction of devices and + * removal of sysfs properties and directories are applied. + * Returns 0 on success, a negative error value in case of an error. + */ +int of_changeset_revert(struct of_changeset *ocs) +{ + struct of_changeset_entry *ce; + int ret; + + pr_debug("of_changeset: reverting...\n"); + list_for_each_entry_reverse(ce, &ocs->entries, node) { + ret = __of_changeset_entry_revert(ce); + if (ret) { + pr_err("%s: Error reverting changeset (%d)\n", __func__, ret); + list_for_each_entry_continue(ce, &ocs->entries, node) + __of_changeset_entry_apply(ce); + return ret; + } + } + pr_debug("of_changeset: reverted, emitting notifiers.\n"); + + /* drop the global lock while emitting notifiers */ + mutex_unlock(&of_mutex); + list_for_each_entry_reverse(ce, &ocs->entries, node) + __of_changeset_entry_notify(ce, 1); + mutex_lock(&of_mutex); + pr_debug("of_changeset: notifiers sent.\n"); + + return 0; +} + +/** + * of_changeset_action - Perform a changeset action + * + * @ocs: changeset pointer + * @action: action to perform + * @np: Pointer to device node + * @prop: Pointer to property + * + * On action being one of: + * + OF_RECONFIG_ATTACH_NODE + * + OF_RECONFIG_DETACH_NODE, + * + OF_RECONFIG_ADD_PROPERTY + * + OF_RECONFIG_REMOVE_PROPERTY, + * + OF_RECONFIG_UPDATE_PROPERTY + * Returns 0 on success, a negative error value in case of an error. + */ +int of_changeset_action(struct of_changeset *ocs, unsigned long action, + struct device_node *np, struct property *prop) +{ + struct of_changeset_entry *ce; + + ce = kzalloc(sizeof(*ce), GFP_KERNEL); + if (!ce) { + pr_err("%s: Failed to allocate\n", __func__); + return -ENOMEM; + } + /* get a reference to the node */ + ce->action = action; + ce->np = of_node_get(np); + ce->prop = prop; + + if (action == OF_RECONFIG_UPDATE_PROPERTY && prop) + ce->old_prop = of_find_property(np, prop->name, NULL); + + /* add it to the list */ + list_add_tail(&ce->node, &ocs->entries); + return 0; +} diff --git a/drivers/of/fdt.c b/drivers/of/fdt.c index 9aa012e6ea0a..79cb8313c7d8 100644 --- a/drivers/of/fdt.c +++ b/drivers/of/fdt.c @@ -453,7 +453,7 @@ static int __init __reserved_mem_reserve_reg(unsigned long node, base = dt_mem_next_cell(dt_root_addr_cells, &prop); size = dt_mem_next_cell(dt_root_size_cells, &prop); - if (base && size && + if (size && early_init_dt_reserve_memory_arch(base, size, nomap) == 0) pr_debug("Reserved memory: reserved region for node '%s': base %pa, size %ld MiB\n", uname, &base, (unsigned long)size / SZ_1M); @@ -923,24 +923,24 @@ int __init early_init_dt_scan_chosen(unsigned long node, const char *uname, } #ifdef CONFIG_HAVE_MEMBLOCK +#define MAX_PHYS_ADDR ((phys_addr_t)~0) + void __init __weak early_init_dt_add_memory_arch(u64 base, u64 size) { const u64 phys_offset = __pa(PAGE_OFFSET); base &= PAGE_MASK; size &= PAGE_MASK; - if (sizeof(phys_addr_t) < sizeof(u64)) { - if (base > ULONG_MAX) { - pr_warning("Ignoring memory block 0x%llx - 0x%llx\n", - base, base + size); - return; - } + if (base > MAX_PHYS_ADDR) { + pr_warning("Ignoring memory block 0x%llx - 0x%llx\n", + base, base + size); + return; + } - if (base + size > ULONG_MAX) { - pr_warning("Ignoring memory range 0x%lx - 0x%llx\n", - ULONG_MAX, base + size); - size = ULONG_MAX - base; - } + if (base + size > MAX_PHYS_ADDR) { + pr_warning("Ignoring memory range 0x%lx - 0x%llx\n", + ULONG_MAX, base + size); + size = MAX_PHYS_ADDR - base; } if (base + size < phys_offset) { diff --git a/drivers/of/irq.c b/drivers/of/irq.c index 3e06a699352d..1471e0a223a5 100644 --- a/drivers/of/irq.c +++ b/drivers/of/irq.c @@ -301,16 +301,17 @@ int of_irq_parse_one(struct device_node *device, int index, struct of_phandle_ar /* Get the reg property (if any) */ addr = of_get_property(device, "reg", NULL); + /* Try the new-style interrupts-extended first */ + res = of_parse_phandle_with_args(device, "interrupts-extended", + "#interrupt-cells", index, out_irq); + if (!res) + return of_irq_parse_raw(addr, out_irq); + /* Get the interrupts property */ intspec = of_get_property(device, "interrupts", &intlen); - if (intspec == NULL) { - /* Try the new-style interrupts-extended */ - res = of_parse_phandle_with_args(device, "interrupts-extended", - "#interrupt-cells", index, out_irq); - if (res) - return -EINVAL; - return of_irq_parse_raw(addr, out_irq); - } + if (intspec == NULL) + return -EINVAL; + intlen /= sizeof(*intspec); pr_debug(" intspec=%d intlen=%d\n", be32_to_cpup(intspec), intlen); diff --git a/drivers/of/of_private.h b/drivers/of/of_private.h index ff350c8fa7ac..858e0a5d9a11 100644 --- a/drivers/of/of_private.h +++ b/drivers/of/of_private.h @@ -31,6 +31,63 @@ struct alias_prop { char stem[0]; }; -extern struct mutex of_aliases_mutex; +extern struct mutex of_mutex; extern struct list_head aliases_lookup; +extern struct kset *of_kset; + + +static inline struct device_node *kobj_to_device_node(struct kobject *kobj) +{ + return container_of(kobj, struct device_node, kobj); +} + +#if defined(CONFIG_OF_DYNAMIC) +extern int of_property_notify(int action, struct device_node *np, + struct property *prop, struct property *old_prop); +extern void of_node_release(struct kobject *kobj); +#else /* CONFIG_OF_DYNAMIC */ +static inline int of_property_notify(int action, struct device_node *np, + struct property *prop, struct property *old_prop) +{ + return 0; +} +#endif /* CONFIG_OF_DYNAMIC */ + +/** + * General utilities for working with live trees. + * + * All functions with two leading underscores operate + * without taking node references, so you either have to + * own the devtree lock or work on detached trees only. + */ +struct property *__of_prop_dup(const struct property *prop, gfp_t allocflags); +struct device_node *__of_node_alloc(const char *full_name, gfp_t allocflags); + +extern const void *__of_get_property(const struct device_node *np, + const char *name, int *lenp); +extern int __of_add_property(struct device_node *np, struct property *prop); +extern int __of_add_property_sysfs(struct device_node *np, + struct property *prop); +extern int __of_remove_property(struct device_node *np, struct property *prop); +extern void __of_remove_property_sysfs(struct device_node *np, + struct property *prop); +extern int __of_update_property(struct device_node *np, + struct property *newprop, struct property **oldprop); +extern void __of_update_property_sysfs(struct device_node *np, + struct property *newprop, struct property *oldprop); + +extern void __of_attach_node(struct device_node *np); +extern int __of_attach_node_sysfs(struct device_node *np); +extern void __of_detach_node(struct device_node *np); +extern void __of_detach_node_sysfs(struct device_node *np); + +/* iterators for transactions, used for overlays */ +/* forward iterator */ +#define for_each_transaction_entry(_oft, _te) \ + list_for_each_entry(_te, &(_oft)->te_list, node) + +/* reverse iterator */ +#define for_each_transaction_entry_reverse(_oft, _te) \ + list_for_each_entry_reverse(_te, &(_oft)->te_list, node) + #endif /* _LINUX_OF_PRIVATE_H */ diff --git a/drivers/of/of_reserved_mem.c b/drivers/of/of_reserved_mem.c index 632aae861375..59fb12e84e6b 100644 --- a/drivers/of/of_reserved_mem.c +++ b/drivers/of/of_reserved_mem.c @@ -206,8 +206,16 @@ void __init fdt_init_reserved_mem(void) for (i = 0; i < reserved_mem_count; i++) { struct reserved_mem *rmem = &reserved_mem[i]; unsigned long node = rmem->fdt_node; + int len; + const __be32 *prop; int err = 0; + prop = of_get_flat_dt_prop(node, "phandle", &len); + if (!prop) + prop = of_get_flat_dt_prop(node, "linux,phandle", &len); + if (prop) + rmem->phandle = of_read_number(prop, len/4); + if (rmem->size == 0) err = __reserved_mem_alloc_size(node, rmem->name, &rmem->base, &rmem->size); @@ -215,3 +223,65 @@ void __init fdt_init_reserved_mem(void) __reserved_mem_init_node(rmem); } } + +static inline struct reserved_mem *__find_rmem(struct device_node *node) +{ + unsigned int i; + + if (!node->phandle) + return NULL; + + for (i = 0; i < reserved_mem_count; i++) + if (reserved_mem[i].phandle == node->phandle) + return &reserved_mem[i]; + return NULL; +} + +/** + * of_reserved_mem_device_init() - assign reserved memory region to given device + * + * This function assign memory region pointed by "memory-region" device tree + * property to the given device. + */ +void of_reserved_mem_device_init(struct device *dev) +{ + struct reserved_mem *rmem; + struct device_node *np; + + np = of_parse_phandle(dev->of_node, "memory-region", 0); + if (!np) + return; + + rmem = __find_rmem(np); + of_node_put(np); + + if (!rmem || !rmem->ops || !rmem->ops->device_init) + return; + + rmem->ops->device_init(rmem, dev); + dev_info(dev, "assigned reserved memory node %s\n", rmem->name); +} + +/** + * of_reserved_mem_device_release() - release reserved memory device structures + * + * This function releases structures allocated for memory region handling for + * the given device. + */ +void of_reserved_mem_device_release(struct device *dev) +{ + struct reserved_mem *rmem; + struct device_node *np; + + np = of_parse_phandle(dev->of_node, "memory-region", 0); + if (!np) + return; + + rmem = __find_rmem(np); + of_node_put(np); + + if (!rmem || !rmem->ops || !rmem->ops->device_release) + return; + + rmem->ops->device_release(rmem, dev); +} diff --git a/drivers/of/platform.c b/drivers/of/platform.c index 500436f9be7f..0197725e033a 100644 --- a/drivers/of/platform.c +++ b/drivers/of/platform.c @@ -422,6 +422,7 @@ static int of_platform_bus_create(struct device_node *bus, break; } } + of_node_set_flag(bus, OF_POPULATED_BUS); return rc; } @@ -508,19 +509,13 @@ EXPORT_SYMBOL_GPL(of_platform_populate); static int of_platform_device_destroy(struct device *dev, void *data) { - bool *children_left = data; - /* Do not touch devices not populated from the device tree */ - if (!dev->of_node || !of_node_check_flag(dev->of_node, OF_POPULATED)) { - *children_left = true; + if (!dev->of_node || !of_node_check_flag(dev->of_node, OF_POPULATED)) return 0; - } - /* Recurse, but don't touch this device if it has any children left */ - if (of_platform_depopulate(dev) != 0) { - *children_left = true; - return 0; - } + /* Recurse for any nodes that were treated as busses */ + if (of_node_check_flag(dev->of_node, OF_POPULATED_BUS)) + device_for_each_child(dev, NULL, of_platform_device_destroy); if (dev->bus == &platform_bus_type) platform_device_unregister(to_platform_device(dev)); @@ -528,19 +523,15 @@ static int of_platform_device_destroy(struct device *dev, void *data) else if (dev->bus == &amba_bustype) amba_device_unregister(to_amba_device(dev)); #endif - else { - *children_left = true; - return 0; - } of_node_clear_flag(dev->of_node, OF_POPULATED); - + of_node_clear_flag(dev->of_node, OF_POPULATED_BUS); return 0; } /** * of_platform_depopulate() - Remove devices populated from device tree - * @parent: device which childred will be removed + * @parent: device which children will be removed * * Complementary to of_platform_populate(), this function removes children * of the given device (and, recurrently, their children) that have been @@ -550,14 +541,9 @@ static int of_platform_device_destroy(struct device *dev, void *data) * Returns 0 when all children devices have been removed or * -EBUSY when some children remained. */ -int of_platform_depopulate(struct device *parent) +void of_platform_depopulate(struct device *parent) { - bool children_left = false; - - device_for_each_child(parent, &children_left, - of_platform_device_destroy); - - return children_left ? -EBUSY : 0; + device_for_each_child(parent, NULL, of_platform_device_destroy); } EXPORT_SYMBOL_GPL(of_platform_depopulate); diff --git a/drivers/of/selftest.c b/drivers/of/selftest.c index 077314eebb95..a737cb5974de 100644 --- a/drivers/of/selftest.c +++ b/drivers/of/selftest.c @@ -9,6 +9,7 @@ #include <linux/errno.h> #include <linux/module.h> #include <linux/of.h> +#include <linux/of_fdt.h> #include <linux/of_irq.h> #include <linux/of_platform.h> #include <linux/list.h> @@ -16,11 +17,18 @@ #include <linux/slab.h> #include <linux/device.h> +#include "of_private.h" + static struct selftest_results { int passed; int failed; } selftest_results; +#define NO_OF_NODES 2 +static struct device_node *nodes[NO_OF_NODES]; +static int last_node_index; +static bool selftest_live_tree; + #define selftest(result, fmt, ...) { \ if (!(result)) { \ selftest_results.failed++; \ @@ -266,6 +274,81 @@ static void __init of_selftest_property_match_string(void) selftest(rc == -EILSEQ, "unterminated string; rc=%i", rc); } +#define propcmp(p1, p2) (((p1)->length == (p2)->length) && \ + (p1)->value && (p2)->value && \ + !memcmp((p1)->value, (p2)->value, (p1)->length) && \ + !strcmp((p1)->name, (p2)->name)) +static void __init of_selftest_property_copy(void) +{ +#ifdef CONFIG_OF_DYNAMIC + struct property p1 = { .name = "p1", .length = 0, .value = "" }; + struct property p2 = { .name = "p2", .length = 5, .value = "abcd" }; + struct property *new; + + new = __of_prop_dup(&p1, GFP_KERNEL); + selftest(new && propcmp(&p1, new), "empty property didn't copy correctly\n"); + kfree(new->value); + kfree(new->name); + kfree(new); + + new = __of_prop_dup(&p2, GFP_KERNEL); + selftest(new && propcmp(&p2, new), "non-empty property didn't copy correctly\n"); + kfree(new->value); + kfree(new->name); + kfree(new); +#endif +} + +static void __init of_selftest_changeset(void) +{ +#ifdef CONFIG_OF_DYNAMIC + struct property *ppadd, padd = { .name = "prop-add", .length = 0, .value = "" }; + struct property *ppupdate, pupdate = { .name = "prop-update", .length = 5, .value = "abcd" }; + struct property *ppremove; + struct device_node *n1, *n2, *n21, *nremove, *parent; + struct of_changeset chgset; + + of_changeset_init(&chgset); + n1 = __of_node_alloc("/testcase-data/changeset/n1", GFP_KERNEL); + selftest(n1, "testcase setup failure\n"); + n2 = __of_node_alloc("/testcase-data/changeset/n2", GFP_KERNEL); + selftest(n2, "testcase setup failure\n"); + n21 = __of_node_alloc("/testcase-data/changeset/n2/n21", GFP_KERNEL); + selftest(n21, "testcase setup failure %p\n", n21); + nremove = of_find_node_by_path("/testcase-data/changeset/node-remove"); + selftest(nremove, "testcase setup failure\n"); + ppadd = __of_prop_dup(&padd, GFP_KERNEL); + selftest(ppadd, "testcase setup failure\n"); + ppupdate = __of_prop_dup(&pupdate, GFP_KERNEL); + selftest(ppupdate, "testcase setup failure\n"); + parent = nremove->parent; + n1->parent = parent; + n2->parent = parent; + n21->parent = n2; + n2->child = n21; + ppremove = of_find_property(parent, "prop-remove", NULL); + selftest(ppremove, "failed to find removal prop"); + + of_changeset_init(&chgset); + selftest(!of_changeset_attach_node(&chgset, n1), "fail attach n1\n"); + selftest(!of_changeset_attach_node(&chgset, n2), "fail attach n2\n"); + selftest(!of_changeset_detach_node(&chgset, nremove), "fail remove node\n"); + selftest(!of_changeset_attach_node(&chgset, n21), "fail attach n21\n"); + selftest(!of_changeset_add_property(&chgset, parent, ppadd), "fail add prop\n"); + selftest(!of_changeset_update_property(&chgset, parent, ppupdate), "fail update prop\n"); + selftest(!of_changeset_remove_property(&chgset, parent, ppremove), "fail remove prop\n"); + mutex_lock(&of_mutex); + selftest(!of_changeset_apply(&chgset), "apply failed\n"); + mutex_unlock(&of_mutex); + + mutex_lock(&of_mutex); + selftest(!of_changeset_revert(&chgset), "revert failed\n"); + mutex_unlock(&of_mutex); + + of_changeset_destroy(&chgset); +#endif +} + static void __init of_selftest_parse_interrupts(void) { struct device_node *np; @@ -517,9 +600,177 @@ static void __init of_selftest_platform_populate(void) } } +/** + * update_node_properties - adds the properties + * of np into dup node (present in live tree) and + * updates parent of children of np to dup. + * + * @np: node already present in live tree + * @dup: node present in live tree to be updated + */ +static void update_node_properties(struct device_node *np, + struct device_node *dup) +{ + struct property *prop; + struct device_node *child; + + for_each_property_of_node(np, prop) + of_add_property(dup, prop); + + for_each_child_of_node(np, child) + child->parent = dup; +} + +/** + * attach_node_and_children - attaches nodes + * and its children to live tree + * + * @np: Node to attach to live tree + */ +static int attach_node_and_children(struct device_node *np) +{ + struct device_node *next, *root = np, *dup; + + /* skip root node */ + np = np->child; + /* storing a copy in temporary node */ + dup = np; + + while (dup) { + nodes[last_node_index++] = dup; + dup = dup->sibling; + } + dup = NULL; + + while (np) { + next = np->allnext; + dup = of_find_node_by_path(np->full_name); + if (dup) + update_node_properties(np, dup); + else { + np->child = NULL; + if (np->parent == root) + np->parent = of_allnodes; + of_attach_node(np); + } + np = next; + } + + return 0; +} + +/** + * selftest_data_add - Reads, copies data from + * linked tree and attaches it to the live tree + */ +static int __init selftest_data_add(void) +{ + void *selftest_data; + struct device_node *selftest_data_node, *np; + extern uint8_t __dtb_testcases_begin[]; + extern uint8_t __dtb_testcases_end[]; + const int size = __dtb_testcases_end - __dtb_testcases_begin; + + if (!size) { + pr_warn("%s: No testcase data to attach; not running tests\n", + __func__); + return -ENODATA; + } + + /* creating copy */ + selftest_data = kmemdup(__dtb_testcases_begin, size, GFP_KERNEL); + + if (!selftest_data) { + pr_warn("%s: Failed to allocate memory for selftest_data; " + "not running tests\n", __func__); + return -ENOMEM; + } + of_fdt_unflatten_tree(selftest_data, &selftest_data_node); + if (!selftest_data_node) { + pr_warn("%s: No tree to attach; not running tests\n", __func__); + return -ENODATA; + } + + if (!of_allnodes) { + /* enabling flag for removing nodes */ + selftest_live_tree = true; + of_allnodes = selftest_data_node; + + for_each_of_allnodes(np) + __of_attach_node_sysfs(np); + of_aliases = of_find_node_by_path("/aliases"); + of_chosen = of_find_node_by_path("/chosen"); + return 0; + } + + /* attach the sub-tree to live tree */ + return attach_node_and_children(selftest_data_node); +} + +/** + * detach_node_and_children - detaches node + * and its children from live tree + * + * @np: Node to detach from live tree + */ +static void detach_node_and_children(struct device_node *np) +{ + while (np->child) + detach_node_and_children(np->child); + + while (np->sibling) + detach_node_and_children(np->sibling); + + of_detach_node(np); +} + +/** + * selftest_data_remove - removes the selftest data + * nodes from the live tree + */ +static void selftest_data_remove(void) +{ + struct device_node *np; + struct property *prop; + + if (selftest_live_tree) { + of_node_put(of_aliases); + of_node_put(of_chosen); + of_aliases = NULL; + of_chosen = NULL; + for_each_child_of_node(of_allnodes, np) + detach_node_and_children(np); + __of_detach_node_sysfs(of_allnodes); + of_allnodes = NULL; + return; + } + + while (last_node_index >= 0) { + if (nodes[last_node_index]) { + np = of_find_node_by_path(nodes[last_node_index]->full_name); + if (strcmp(np->full_name, "/aliases") != 0) { + detach_node_and_children(np->child); + of_detach_node(np); + } else { + for_each_property_of_node(np, prop) { + if (strcmp(prop->name, "testcase-alias") == 0) + of_remove_property(np, prop); + } + } + } + last_node_index--; + } +} + static int __init of_selftest(void) { struct device_node *np; + int res; + + /* adding data for selftest */ + res = selftest_data_add(); + if (res) + return res; np = of_find_node_by_path("/testcase-data/phandle-tests/consumer-a"); if (!np) { @@ -533,12 +784,18 @@ static int __init of_selftest(void) of_selftest_dynamic(); of_selftest_parse_phandle_with_args(); of_selftest_property_match_string(); + of_selftest_property_copy(); + of_selftest_changeset(); of_selftest_parse_interrupts(); of_selftest_parse_interrupts_extended(); of_selftest_match_node(); of_selftest_platform_populate(); pr_info("end of selftest - %i passed, %i failed\n", selftest_results.passed, selftest_results.failed); + + /* removing selftest data from live tree */ + selftest_data_remove(); + return 0; } late_initcall(of_selftest); diff --git a/drivers/of/testcase-data/testcases.dts b/drivers/of/testcase-data/testcases.dts new file mode 100644 index 000000000000..219ef9324e9c --- /dev/null +++ b/drivers/of/testcase-data/testcases.dts @@ -0,0 +1,15 @@ +/dts-v1/; +/ { + testcase-data { + changeset { + prop-update = "hello"; + prop-remove = "world"; + node-remove { + }; + }; + }; +}; +#include "tests-phandle.dtsi" +#include "tests-interrupts.dtsi" +#include "tests-match.dtsi" +#include "tests-platform.dtsi" diff --git a/drivers/of/testcase-data/testcases.dtsi b/drivers/of/testcase-data/testcases.dtsi deleted file mode 100644 index 6d8d980ac858..000000000000 --- a/drivers/of/testcase-data/testcases.dtsi +++ /dev/null @@ -1,4 +0,0 @@ -#include "tests-phandle.dtsi" -#include "tests-interrupts.dtsi" -#include "tests-match.dtsi" -#include "tests-platform.dtsi" diff --git a/drivers/pci/host/Kconfig b/drivers/pci/host/Kconfig index 2d8a4d05d78f..8922c376456a 100644 --- a/drivers/pci/host/Kconfig +++ b/drivers/pci/host/Kconfig @@ -1,9 +1,18 @@ menu "PCI host controller drivers" depends on PCI +config PCI_DRA7XX + bool "TI DRA7xx PCIe controller" + select PCIE_DW + depends on OF && HAS_IOMEM && TI_PIPE3 + help + Enables support for the PCIe controller in the DRA7xx SoC. There + are two instances of PCIe controller in DRA7xx. This controller can + act both as EP and RC. This reuses the Designware core. + config PCI_MVEBU bool "Marvell EBU PCIe controller" - depends on ARCH_MVEBU || ARCH_DOVE || ARCH_KIRKWOOD + depends on ARCH_MVEBU || ARCH_DOVE depends on OF config PCIE_DW diff --git a/drivers/pci/host/Makefile b/drivers/pci/host/Makefile index 0daec7941aba..d0e88f114ff9 100644 --- a/drivers/pci/host/Makefile +++ b/drivers/pci/host/Makefile @@ -1,4 +1,5 @@ obj-$(CONFIG_PCIE_DW) += pcie-designware.o +obj-$(CONFIG_PCI_DRA7XX) += pci-dra7xx.o obj-$(CONFIG_PCI_EXYNOS) += pci-exynos.o obj-$(CONFIG_PCI_IMX6) += pci-imx6.o obj-$(CONFIG_PCI_MVEBU) += pci-mvebu.o diff --git a/drivers/pci/host/pci-dra7xx.c b/drivers/pci/host/pci-dra7xx.c new file mode 100644 index 000000000000..52b34fee07fd --- /dev/null +++ b/drivers/pci/host/pci-dra7xx.c @@ -0,0 +1,458 @@ +/* + * pcie-dra7xx - PCIe controller driver for TI DRA7xx SoCs + * + * Copyright (C) 2013-2014 Texas Instruments Incorporated - http://www.ti.com + * + * Authors: Kishon Vijay Abraham I <kishon@ti.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include <linux/delay.h> +#include <linux/err.h> +#include <linux/interrupt.h> +#include <linux/irq.h> +#include <linux/irqdomain.h> +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/pci.h> +#include <linux/phy/phy.h> +#include <linux/platform_device.h> +#include <linux/pm_runtime.h> +#include <linux/resource.h> +#include <linux/types.h> + +#include "pcie-designware.h" + +/* PCIe controller wrapper DRA7XX configuration registers */ + +#define PCIECTRL_DRA7XX_CONF_IRQSTATUS_MAIN 0x0024 +#define PCIECTRL_DRA7XX_CONF_IRQENABLE_SET_MAIN 0x0028 +#define ERR_SYS BIT(0) +#define ERR_FATAL BIT(1) +#define ERR_NONFATAL BIT(2) +#define ERR_COR BIT(3) +#define ERR_AXI BIT(4) +#define ERR_ECRC BIT(5) +#define PME_TURN_OFF BIT(8) +#define PME_TO_ACK BIT(9) +#define PM_PME BIT(10) +#define LINK_REQ_RST BIT(11) +#define LINK_UP_EVT BIT(12) +#define CFG_BME_EVT BIT(13) +#define CFG_MSE_EVT BIT(14) +#define INTERRUPTS (ERR_SYS | ERR_FATAL | ERR_NONFATAL | ERR_COR | ERR_AXI | \ + ERR_ECRC | PME_TURN_OFF | PME_TO_ACK | PM_PME | \ + LINK_REQ_RST | LINK_UP_EVT | CFG_BME_EVT | CFG_MSE_EVT) + +#define PCIECTRL_DRA7XX_CONF_IRQSTATUS_MSI 0x0034 +#define PCIECTRL_DRA7XX_CONF_IRQENABLE_SET_MSI 0x0038 +#define INTA BIT(0) +#define INTB BIT(1) +#define INTC BIT(2) +#define INTD BIT(3) +#define MSI BIT(4) +#define LEG_EP_INTERRUPTS (INTA | INTB | INTC | INTD) + +#define PCIECTRL_DRA7XX_CONF_DEVICE_CMD 0x0104 +#define LTSSM_EN 0x1 + +#define PCIECTRL_DRA7XX_CONF_PHY_CS 0x010C +#define LINK_UP BIT(16) + +struct dra7xx_pcie { + void __iomem *base; + struct phy **phy; + int phy_count; + struct device *dev; + struct pcie_port pp; +}; + +#define to_dra7xx_pcie(x) container_of((x), struct dra7xx_pcie, pp) + +static inline u32 dra7xx_pcie_readl(struct dra7xx_pcie *pcie, u32 offset) +{ + return readl(pcie->base + offset); +} + +static inline void dra7xx_pcie_writel(struct dra7xx_pcie *pcie, u32 offset, + u32 value) +{ + writel(value, pcie->base + offset); +} + +static int dra7xx_pcie_link_up(struct pcie_port *pp) +{ + struct dra7xx_pcie *dra7xx = to_dra7xx_pcie(pp); + u32 reg = dra7xx_pcie_readl(dra7xx, PCIECTRL_DRA7XX_CONF_PHY_CS); + + return !!(reg & LINK_UP); +} + +static int dra7xx_pcie_establish_link(struct pcie_port *pp) +{ + u32 reg; + unsigned int retries = 1000; + struct dra7xx_pcie *dra7xx = to_dra7xx_pcie(pp); + + if (dw_pcie_link_up(pp)) { + dev_err(pp->dev, "link is already up\n"); + return 0; + } + + reg = dra7xx_pcie_readl(dra7xx, PCIECTRL_DRA7XX_CONF_DEVICE_CMD); + reg |= LTSSM_EN; + dra7xx_pcie_writel(dra7xx, PCIECTRL_DRA7XX_CONF_DEVICE_CMD, reg); + + while (retries--) { + reg = dra7xx_pcie_readl(dra7xx, PCIECTRL_DRA7XX_CONF_PHY_CS); + if (reg & LINK_UP) + break; + usleep_range(10, 20); + } + + if (retries == 0) { + dev_err(pp->dev, "link is not up\n"); + return -ETIMEDOUT; + } + + return 0; +} + +static void dra7xx_pcie_enable_interrupts(struct pcie_port *pp) +{ + struct dra7xx_pcie *dra7xx = to_dra7xx_pcie(pp); + + dra7xx_pcie_writel(dra7xx, PCIECTRL_DRA7XX_CONF_IRQSTATUS_MAIN, + ~INTERRUPTS); + dra7xx_pcie_writel(dra7xx, + PCIECTRL_DRA7XX_CONF_IRQENABLE_SET_MAIN, INTERRUPTS); + dra7xx_pcie_writel(dra7xx, PCIECTRL_DRA7XX_CONF_IRQSTATUS_MSI, + ~LEG_EP_INTERRUPTS & ~MSI); + + if (IS_ENABLED(CONFIG_PCI_MSI)) + dra7xx_pcie_writel(dra7xx, + PCIECTRL_DRA7XX_CONF_IRQENABLE_SET_MSI, MSI); + else + dra7xx_pcie_writel(dra7xx, + PCIECTRL_DRA7XX_CONF_IRQENABLE_SET_MSI, + LEG_EP_INTERRUPTS); +} + +static void dra7xx_pcie_host_init(struct pcie_port *pp) +{ + dw_pcie_setup_rc(pp); + dra7xx_pcie_establish_link(pp); + if (IS_ENABLED(CONFIG_PCI_MSI)) + dw_pcie_msi_init(pp); + dra7xx_pcie_enable_interrupts(pp); +} + +static struct pcie_host_ops dra7xx_pcie_host_ops = { + .link_up = dra7xx_pcie_link_up, + .host_init = dra7xx_pcie_host_init, +}; + +static int dra7xx_pcie_intx_map(struct irq_domain *domain, unsigned int irq, + irq_hw_number_t hwirq) +{ + irq_set_chip_and_handler(irq, &dummy_irq_chip, handle_simple_irq); + irq_set_chip_data(irq, domain->host_data); + set_irq_flags(irq, IRQF_VALID); + + return 0; +} + +static const struct irq_domain_ops intx_domain_ops = { + .map = dra7xx_pcie_intx_map, +}; + +static int dra7xx_pcie_init_irq_domain(struct pcie_port *pp) +{ + struct device *dev = pp->dev; + struct device_node *node = dev->of_node; + struct device_node *pcie_intc_node = of_get_next_child(node, NULL); + + if (!pcie_intc_node) { + dev_err(dev, "No PCIe Intc node found\n"); + return PTR_ERR(pcie_intc_node); + } + + pp->irq_domain = irq_domain_add_linear(pcie_intc_node, 4, + &intx_domain_ops, pp); + if (!pp->irq_domain) { + dev_err(dev, "Failed to get a INTx IRQ domain\n"); + return PTR_ERR(pp->irq_domain); + } + + return 0; +} + +static irqreturn_t dra7xx_pcie_msi_irq_handler(int irq, void *arg) +{ + struct pcie_port *pp = arg; + struct dra7xx_pcie *dra7xx = to_dra7xx_pcie(pp); + u32 reg; + + reg = dra7xx_pcie_readl(dra7xx, PCIECTRL_DRA7XX_CONF_IRQSTATUS_MSI); + + switch (reg) { + case MSI: + dw_handle_msi_irq(pp); + break; + case INTA: + case INTB: + case INTC: + case INTD: + generic_handle_irq(irq_find_mapping(pp->irq_domain, ffs(reg))); + break; + } + + dra7xx_pcie_writel(dra7xx, PCIECTRL_DRA7XX_CONF_IRQSTATUS_MSI, reg); + + return IRQ_HANDLED; +} + + +static irqreturn_t dra7xx_pcie_irq_handler(int irq, void *arg) +{ + struct dra7xx_pcie *dra7xx = arg; + u32 reg; + + reg = dra7xx_pcie_readl(dra7xx, PCIECTRL_DRA7XX_CONF_IRQSTATUS_MAIN); + + if (reg & ERR_SYS) + dev_dbg(dra7xx->dev, "System Error\n"); + + if (reg & ERR_FATAL) + dev_dbg(dra7xx->dev, "Fatal Error\n"); + + if (reg & ERR_NONFATAL) + dev_dbg(dra7xx->dev, "Non Fatal Error\n"); + + if (reg & ERR_COR) + dev_dbg(dra7xx->dev, "Correctable Error\n"); + + if (reg & ERR_AXI) + dev_dbg(dra7xx->dev, "AXI tag lookup fatal Error\n"); + + if (reg & ERR_ECRC) + dev_dbg(dra7xx->dev, "ECRC Error\n"); + + if (reg & PME_TURN_OFF) + dev_dbg(dra7xx->dev, + "Power Management Event Turn-Off message received\n"); + + if (reg & PME_TO_ACK) + dev_dbg(dra7xx->dev, + "Power Management Turn-Off Ack message received\n"); + + if (reg & PM_PME) + dev_dbg(dra7xx->dev, + "PM Power Management Event message received\n"); + + if (reg & LINK_REQ_RST) + dev_dbg(dra7xx->dev, "Link Request Reset\n"); + + if (reg & LINK_UP_EVT) + dev_dbg(dra7xx->dev, "Link-up state change\n"); + + if (reg & CFG_BME_EVT) + dev_dbg(dra7xx->dev, "CFG 'Bus Master Enable' change\n"); + + if (reg & CFG_MSE_EVT) + dev_dbg(dra7xx->dev, "CFG 'Memory Space Enable' change\n"); + + dra7xx_pcie_writel(dra7xx, PCIECTRL_DRA7XX_CONF_IRQSTATUS_MAIN, reg); + + return IRQ_HANDLED; +} + +static int add_pcie_port(struct dra7xx_pcie *dra7xx, + struct platform_device *pdev) +{ + int ret; + struct pcie_port *pp; + struct resource *res; + struct device *dev = &pdev->dev; + + pp = &dra7xx->pp; + pp->dev = dev; + pp->ops = &dra7xx_pcie_host_ops; + + pp->irq = platform_get_irq(pdev, 1); + if (pp->irq < 0) { + dev_err(dev, "missing IRQ resource\n"); + return -EINVAL; + } + + ret = devm_request_irq(&pdev->dev, pp->irq, + dra7xx_pcie_msi_irq_handler, IRQF_SHARED, + "dra7-pcie-msi", pp); + if (ret) { + dev_err(&pdev->dev, "failed to request irq\n"); + return ret; + } + + if (!IS_ENABLED(CONFIG_PCI_MSI)) { + ret = dra7xx_pcie_init_irq_domain(pp); + if (ret < 0) + return ret; + } + + res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "rc_dbics"); + pp->dbi_base = devm_ioremap(dev, res->start, resource_size(res)); + if (!pp->dbi_base) + return -ENOMEM; + + ret = dw_pcie_host_init(pp); + if (ret) { + dev_err(dra7xx->dev, "failed to initialize host\n"); + return ret; + } + + return 0; +} + +static int __init dra7xx_pcie_probe(struct platform_device *pdev) +{ + u32 reg; + int ret; + int irq; + int i; + int phy_count; + struct phy **phy; + void __iomem *base; + struct resource *res; + struct dra7xx_pcie *dra7xx; + struct device *dev = &pdev->dev; + struct device_node *np = dev->of_node; + char name[10]; + + dra7xx = devm_kzalloc(dev, sizeof(*dra7xx), GFP_KERNEL); + if (!dra7xx) + return -ENOMEM; + + irq = platform_get_irq(pdev, 0); + if (irq < 0) { + dev_err(dev, "missing IRQ resource\n"); + return -EINVAL; + } + + ret = devm_request_irq(dev, irq, dra7xx_pcie_irq_handler, + IRQF_SHARED, "dra7xx-pcie-main", dra7xx); + if (ret) { + dev_err(dev, "failed to request irq\n"); + return ret; + } + + res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "ti_conf"); + base = devm_ioremap_nocache(dev, res->start, resource_size(res)); + if (!base) + return -ENOMEM; + + phy_count = of_property_count_strings(np, "phy-names"); + if (phy_count < 0) { + dev_err(dev, "unable to find the strings\n"); + return phy_count; + } + + phy = devm_kzalloc(dev, sizeof(*phy) * phy_count, GFP_KERNEL); + if (!phy) + return -ENOMEM; + + for (i = 0; i < phy_count; i++) { + snprintf(name, sizeof(name), "pcie-phy%d", i); + phy[i] = devm_phy_get(dev, name); + if (IS_ERR(phy[i])) + return PTR_ERR(phy[i]); + + ret = phy_init(phy[i]); + if (ret < 0) + goto err_phy; + + ret = phy_power_on(phy[i]); + if (ret < 0) { + phy_exit(phy[i]); + goto err_phy; + } + } + + dra7xx->base = base; + dra7xx->phy = phy; + dra7xx->dev = dev; + dra7xx->phy_count = phy_count; + + pm_runtime_enable(dev); + ret = pm_runtime_get_sync(dev); + if (IS_ERR_VALUE(ret)) { + dev_err(dev, "pm_runtime_get_sync failed\n"); + goto err_phy; + } + + reg = dra7xx_pcie_readl(dra7xx, PCIECTRL_DRA7XX_CONF_DEVICE_CMD); + reg &= ~LTSSM_EN; + dra7xx_pcie_writel(dra7xx, PCIECTRL_DRA7XX_CONF_DEVICE_CMD, reg); + + platform_set_drvdata(pdev, dra7xx); + + ret = add_pcie_port(dra7xx, pdev); + if (ret < 0) + goto err_add_port; + + return 0; + +err_add_port: + pm_runtime_put(dev); + pm_runtime_disable(dev); + +err_phy: + while (--i >= 0) { + phy_power_off(phy[i]); + phy_exit(phy[i]); + } + + return ret; +} + +static int __exit dra7xx_pcie_remove(struct platform_device *pdev) +{ + struct dra7xx_pcie *dra7xx = platform_get_drvdata(pdev); + struct pcie_port *pp = &dra7xx->pp; + struct device *dev = &pdev->dev; + int count = dra7xx->phy_count; + + if (pp->irq_domain) + irq_domain_remove(pp->irq_domain); + pm_runtime_put(dev); + pm_runtime_disable(dev); + while (count--) { + phy_power_off(dra7xx->phy[count]); + phy_exit(dra7xx->phy[count]); + } + + return 0; +} + +static const struct of_device_id of_dra7xx_pcie_match[] = { + { .compatible = "ti,dra7-pcie", }, + {}, +}; +MODULE_DEVICE_TABLE(of, of_dra7xx_pcie_match); + +static struct platform_driver dra7xx_pcie_driver = { + .remove = __exit_p(dra7xx_pcie_remove), + .driver = { + .name = "dra7-pcie", + .owner = THIS_MODULE, + .of_match_table = of_dra7xx_pcie_match, + }, +}; + +module_platform_driver_probe(dra7xx_pcie_driver, dra7xx_pcie_probe); + +MODULE_AUTHOR("Kishon Vijay Abraham I <kishon@ti.com>"); +MODULE_DESCRIPTION("TI PCIe controller driver"); +MODULE_LICENSE("GPL v2"); diff --git a/drivers/pci/host/pci-tegra.c b/drivers/pci/host/pci-tegra.c index abd65784618d..0fb0fdb223d5 100644 --- a/drivers/pci/host/pci-tegra.c +++ b/drivers/pci/host/pci-tegra.c @@ -25,6 +25,7 @@ */ #include <linux/clk.h> +#include <linux/debugfs.h> #include <linux/delay.h> #include <linux/export.h> #include <linux/interrupt.h> @@ -276,6 +277,7 @@ struct tegra_pcie { unsigned int num_supplies; const struct tegra_pcie_soc_data *soc_data; + struct dentry *debugfs; }; struct tegra_pcie_port { @@ -1739,6 +1741,115 @@ static const struct of_device_id tegra_pcie_of_match[] = { }; MODULE_DEVICE_TABLE(of, tegra_pcie_of_match); +static void *tegra_pcie_ports_seq_start(struct seq_file *s, loff_t *pos) +{ + struct tegra_pcie *pcie = s->private; + + if (list_empty(&pcie->ports)) + return NULL; + + seq_printf(s, "Index Status\n"); + + return seq_list_start(&pcie->ports, *pos); +} + +static void *tegra_pcie_ports_seq_next(struct seq_file *s, void *v, loff_t *pos) +{ + struct tegra_pcie *pcie = s->private; + + return seq_list_next(v, &pcie->ports, pos); +} + +static void tegra_pcie_ports_seq_stop(struct seq_file *s, void *v) +{ +} + +static int tegra_pcie_ports_seq_show(struct seq_file *s, void *v) +{ + bool up = false, active = false; + struct tegra_pcie_port *port; + unsigned int value; + + port = list_entry(v, struct tegra_pcie_port, list); + + value = readl(port->base + RP_VEND_XP); + + if (value & RP_VEND_XP_DL_UP) + up = true; + + value = readl(port->base + RP_LINK_CONTROL_STATUS); + + if (value & RP_LINK_CONTROL_STATUS_DL_LINK_ACTIVE) + active = true; + + seq_printf(s, "%2u ", port->index); + + if (up) + seq_printf(s, "up"); + + if (active) { + if (up) + seq_printf(s, ", "); + + seq_printf(s, "active"); + } + + seq_printf(s, "\n"); + return 0; +} + +static const struct seq_operations tegra_pcie_ports_seq_ops = { + .start = tegra_pcie_ports_seq_start, + .next = tegra_pcie_ports_seq_next, + .stop = tegra_pcie_ports_seq_stop, + .show = tegra_pcie_ports_seq_show, +}; + +static int tegra_pcie_ports_open(struct inode *inode, struct file *file) +{ + struct tegra_pcie *pcie = inode->i_private; + struct seq_file *s; + int err; + + err = seq_open(file, &tegra_pcie_ports_seq_ops); + if (err) + return err; + + s = file->private_data; + s->private = pcie; + + return 0; +} + +static const struct file_operations tegra_pcie_ports_ops = { + .owner = THIS_MODULE, + .open = tegra_pcie_ports_open, + .read = seq_read, + .llseek = seq_lseek, + .release = seq_release, +}; + +static int tegra_pcie_debugfs_init(struct tegra_pcie *pcie) +{ + struct dentry *file; + + pcie->debugfs = debugfs_create_dir("pcie", NULL); + if (!pcie->debugfs) + return -ENOMEM; + + file = debugfs_create_file("ports", S_IFREG | S_IRUGO, pcie->debugfs, + pcie, &tegra_pcie_ports_ops); + if (!file) + goto remove; + + return 0; + +remove: + debugfs_remove_recursive(pcie->debugfs); + pcie->debugfs = NULL; + return -ENOMEM; +} + static int tegra_pcie_probe(struct platform_device *pdev) { const struct of_device_id *match; @@ -1793,6 +1904,13 @@ static int tegra_pcie_probe(struct platform_device *pdev) goto disable_msi; } + if (IS_ENABLED(CONFIG_DEBUG_FS)) { + err = tegra_pcie_debugfs_init(pcie); + if (err < 0) + dev_err(&pdev->dev, "failed to setup debugfs: %d\n", + err); + } + platform_set_drvdata(pdev, pcie); return 0; diff --git a/drivers/pci/host/pcie-designware.c b/drivers/pci/host/pcie-designware.c index 1eaf4df3618a..52bd3a143563 100644 --- a/drivers/pci/host/pcie-designware.c +++ b/drivers/pci/host/pcie-designware.c @@ -20,6 +20,7 @@ #include <linux/of_pci.h> #include <linux/pci.h> #include <linux/pci_regs.h> +#include <linux/platform_device.h> #include <linux/types.h> #include "pcie-designware.h" @@ -217,27 +218,47 @@ static int find_valid_pos0(struct pcie_port *pp, int msgvec, int pos, int *pos0) return 0; } +static void dw_pcie_msi_clear_irq(struct pcie_port *pp, int irq) +{ + unsigned int res, bit, val; + + res = (irq / 32) * 12; + bit = irq % 32; + dw_pcie_rd_own_conf(pp, PCIE_MSI_INTR0_ENABLE + res, 4, &val); + val &= ~(1 << bit); + dw_pcie_wr_own_conf(pp, PCIE_MSI_INTR0_ENABLE + res, 4, val); +} + static void clear_irq_range(struct pcie_port *pp, unsigned int irq_base, unsigned int nvec, unsigned int pos) { - unsigned int i, res, bit, val; + unsigned int i; for (i = 0; i < nvec; i++) { irq_set_msi_desc_off(irq_base, i, NULL); clear_bit(pos + i, pp->msi_irq_in_use); /* Disable corresponding interrupt on MSI controller */ - res = ((pos + i) / 32) * 12; - bit = (pos + i) % 32; - dw_pcie_rd_own_conf(pp, PCIE_MSI_INTR0_ENABLE + res, 4, &val); - val &= ~(1 << bit); - dw_pcie_wr_own_conf(pp, PCIE_MSI_INTR0_ENABLE + res, 4, val); + if (pp->ops->msi_clear_irq) + pp->ops->msi_clear_irq(pp, pos + i); + else + dw_pcie_msi_clear_irq(pp, pos + i); } } +static void dw_pcie_msi_set_irq(struct pcie_port *pp, int irq) +{ + unsigned int res, bit, val; + + res = (irq / 32) * 12; + bit = irq % 32; + dw_pcie_rd_own_conf(pp, PCIE_MSI_INTR0_ENABLE + res, 4, &val); + val |= 1 << bit; + dw_pcie_wr_own_conf(pp, PCIE_MSI_INTR0_ENABLE + res, 4, val); +} + static int assign_irq(int no_irqs, struct msi_desc *desc, int *pos) { - int res, bit, irq, pos0, pos1, i; - u32 val; + int irq, pos0, pos1, i; struct pcie_port *pp = sys_to_pcie(desc->dev->bus->sysdata); if (!pp) { @@ -281,11 +302,10 @@ static int assign_irq(int no_irqs, struct msi_desc *desc, int *pos) } set_bit(pos0 + i, pp->msi_irq_in_use); /*Enable corresponding interrupt in MSI interrupt controller */ - res = ((pos0 + i) / 32) * 12; - bit = (pos0 + i) % 32; - dw_pcie_rd_own_conf(pp, PCIE_MSI_INTR0_ENABLE + res, 4, &val); - val |= 1 << bit; - dw_pcie_wr_own_conf(pp, PCIE_MSI_INTR0_ENABLE + res, 4, val); + if (pp->ops->msi_set_irq) + pp->ops->msi_set_irq(pp, pos0 + i); + else + dw_pcie_msi_set_irq(pp, pos0 + i); } *pos = pos0; @@ -353,7 +373,10 @@ static int dw_msi_setup_irq(struct msi_chip *chip, struct pci_dev *pdev, */ desc->msi_attrib.multiple = msgvec; - msg.address_lo = virt_to_phys((void *)pp->msi_data); + if (pp->ops->get_msi_data) + msg.address_lo = pp->ops->get_msi_data(pp); + else + msg.address_lo = virt_to_phys((void *)pp->msi_data); msg.address_hi = 0x0; msg.data = pos; write_msi_msg(irq, &msg); @@ -396,10 +419,35 @@ static const struct irq_domain_ops msi_domain_ops = { int __init dw_pcie_host_init(struct pcie_port *pp) { struct device_node *np = pp->dev->of_node; + struct platform_device *pdev = to_platform_device(pp->dev); struct of_pci_range range; struct of_pci_range_parser parser; - u32 val; - int i; + struct resource *cfg_res; + u32 val, na, ns; + const __be32 *addrp; + int i, index; + + /* Find the address cell size and the number of cells in order to get + * the untranslated address. + */ + of_property_read_u32(np, "#address-cells", &na); + ns = of_n_size_cells(np); + + cfg_res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "config"); + if (cfg_res) { + pp->config.cfg0_size = resource_size(cfg_res)/2; + pp->config.cfg1_size = resource_size(cfg_res)/2; + pp->cfg0_base = cfg_res->start; + pp->cfg1_base = cfg_res->start + pp->config.cfg0_size; + + /* Find the untranslated configuration space address */ + index = of_property_match_string(np, "reg-names", "config"); + addrp = of_get_address(np, index, false, false); + pp->cfg0_mod_base = of_read_number(addrp, ns); + pp->cfg1_mod_base = pp->cfg0_mod_base + pp->config.cfg0_size; + } else { + dev_err(pp->dev, "missing *config* reg space\n"); + } if (of_pci_range_parser_init(&parser, np)) { dev_err(pp->dev, "missing ranges property\n"); @@ -422,17 +470,33 @@ int __init dw_pcie_host_init(struct pcie_port *pp) pp->config.io_size = resource_size(&pp->io); pp->config.io_bus_addr = range.pci_addr; pp->io_base = range.cpu_addr; + + /* Find the untranslated IO space address */ + pp->io_mod_base = of_read_number(parser.range - + parser.np + na, ns); } if (restype == IORESOURCE_MEM) { of_pci_range_to_resource(&range, np, &pp->mem); pp->mem.name = "MEM"; pp->config.mem_size = resource_size(&pp->mem); pp->config.mem_bus_addr = range.pci_addr; + + /* Find the untranslated MEM space address */ + pp->mem_mod_base = of_read_number(parser.range - + parser.np + na, ns); } if (restype == 0) { of_pci_range_to_resource(&range, np, &pp->cfg); pp->config.cfg0_size = resource_size(&pp->cfg)/2; pp->config.cfg1_size = resource_size(&pp->cfg)/2; + pp->cfg0_base = pp->cfg.start; + pp->cfg1_base = pp->cfg.start + pp->config.cfg0_size; + + /* Find the untranslated configuration space address */ + pp->cfg0_mod_base = of_read_number(parser.range - + parser.np + na, ns); + pp->cfg1_mod_base = pp->cfg0_mod_base + + pp->config.cfg0_size; } } @@ -445,8 +509,6 @@ int __init dw_pcie_host_init(struct pcie_port *pp) } } - pp->cfg0_base = pp->cfg.start; - pp->cfg1_base = pp->cfg.start + pp->config.cfg0_size; pp->mem_base = pp->mem.start; pp->va_cfg0_base = devm_ioremap(pp->dev, pp->cfg0_base, @@ -509,9 +571,9 @@ static void dw_pcie_prog_viewport_cfg0(struct pcie_port *pp, u32 busdev) /* Program viewport 0 : OUTBOUND : CFG0 */ dw_pcie_writel_rc(pp, PCIE_ATU_REGION_OUTBOUND | PCIE_ATU_REGION_INDEX0, PCIE_ATU_VIEWPORT); - dw_pcie_writel_rc(pp, pp->cfg0_base, PCIE_ATU_LOWER_BASE); - dw_pcie_writel_rc(pp, (pp->cfg0_base >> 32), PCIE_ATU_UPPER_BASE); - dw_pcie_writel_rc(pp, pp->cfg0_base + pp->config.cfg0_size - 1, + dw_pcie_writel_rc(pp, pp->cfg0_mod_base, PCIE_ATU_LOWER_BASE); + dw_pcie_writel_rc(pp, (pp->cfg0_mod_base >> 32), PCIE_ATU_UPPER_BASE); + dw_pcie_writel_rc(pp, pp->cfg0_mod_base + pp->config.cfg0_size - 1, PCIE_ATU_LIMIT); dw_pcie_writel_rc(pp, busdev, PCIE_ATU_LOWER_TARGET); dw_pcie_writel_rc(pp, 0, PCIE_ATU_UPPER_TARGET); @@ -525,9 +587,9 @@ static void dw_pcie_prog_viewport_cfg1(struct pcie_port *pp, u32 busdev) dw_pcie_writel_rc(pp, PCIE_ATU_REGION_OUTBOUND | PCIE_ATU_REGION_INDEX1, PCIE_ATU_VIEWPORT); dw_pcie_writel_rc(pp, PCIE_ATU_TYPE_CFG1, PCIE_ATU_CR1); - dw_pcie_writel_rc(pp, pp->cfg1_base, PCIE_ATU_LOWER_BASE); - dw_pcie_writel_rc(pp, (pp->cfg1_base >> 32), PCIE_ATU_UPPER_BASE); - dw_pcie_writel_rc(pp, pp->cfg1_base + pp->config.cfg1_size - 1, + dw_pcie_writel_rc(pp, pp->cfg1_mod_base, PCIE_ATU_LOWER_BASE); + dw_pcie_writel_rc(pp, (pp->cfg1_mod_base >> 32), PCIE_ATU_UPPER_BASE); + dw_pcie_writel_rc(pp, pp->cfg1_mod_base + pp->config.cfg1_size - 1, PCIE_ATU_LIMIT); dw_pcie_writel_rc(pp, busdev, PCIE_ATU_LOWER_TARGET); dw_pcie_writel_rc(pp, 0, PCIE_ATU_UPPER_TARGET); @@ -540,9 +602,9 @@ static void dw_pcie_prog_viewport_mem_outbound(struct pcie_port *pp) dw_pcie_writel_rc(pp, PCIE_ATU_REGION_OUTBOUND | PCIE_ATU_REGION_INDEX0, PCIE_ATU_VIEWPORT); dw_pcie_writel_rc(pp, PCIE_ATU_TYPE_MEM, PCIE_ATU_CR1); - dw_pcie_writel_rc(pp, pp->mem_base, PCIE_ATU_LOWER_BASE); - dw_pcie_writel_rc(pp, (pp->mem_base >> 32), PCIE_ATU_UPPER_BASE); - dw_pcie_writel_rc(pp, pp->mem_base + pp->config.mem_size - 1, + dw_pcie_writel_rc(pp, pp->mem_mod_base, PCIE_ATU_LOWER_BASE); + dw_pcie_writel_rc(pp, (pp->mem_mod_base >> 32), PCIE_ATU_UPPER_BASE); + dw_pcie_writel_rc(pp, pp->mem_mod_base + pp->config.mem_size - 1, PCIE_ATU_LIMIT); dw_pcie_writel_rc(pp, pp->config.mem_bus_addr, PCIE_ATU_LOWER_TARGET); dw_pcie_writel_rc(pp, upper_32_bits(pp->config.mem_bus_addr), @@ -556,9 +618,9 @@ static void dw_pcie_prog_viewport_io_outbound(struct pcie_port *pp) dw_pcie_writel_rc(pp, PCIE_ATU_REGION_OUTBOUND | PCIE_ATU_REGION_INDEX1, PCIE_ATU_VIEWPORT); dw_pcie_writel_rc(pp, PCIE_ATU_TYPE_IO, PCIE_ATU_CR1); - dw_pcie_writel_rc(pp, pp->io_base, PCIE_ATU_LOWER_BASE); - dw_pcie_writel_rc(pp, (pp->io_base >> 32), PCIE_ATU_UPPER_BASE); - dw_pcie_writel_rc(pp, pp->io_base + pp->config.io_size - 1, + dw_pcie_writel_rc(pp, pp->io_mod_base, PCIE_ATU_LOWER_BASE); + dw_pcie_writel_rc(pp, (pp->io_mod_base >> 32), PCIE_ATU_UPPER_BASE); + dw_pcie_writel_rc(pp, pp->io_mod_base + pp->config.io_size - 1, PCIE_ATU_LIMIT); dw_pcie_writel_rc(pp, pp->config.io_bus_addr, PCIE_ATU_LOWER_TARGET); dw_pcie_writel_rc(pp, upper_32_bits(pp->config.io_bus_addr), @@ -656,7 +718,11 @@ static int dw_pcie_rd_conf(struct pci_bus *bus, u32 devfn, int where, } if (bus->number != pp->root_bus_nr) - ret = dw_pcie_rd_other_conf(pp, bus, devfn, + if (pp->ops->rd_other_conf) + ret = pp->ops->rd_other_conf(pp, bus, devfn, + where, size, val); + else + ret = dw_pcie_rd_other_conf(pp, bus, devfn, where, size, val); else ret = dw_pcie_rd_own_conf(pp, where, size, val); @@ -679,7 +745,11 @@ static int dw_pcie_wr_conf(struct pci_bus *bus, u32 devfn, return PCIBIOS_DEVICE_NOT_FOUND; if (bus->number != pp->root_bus_nr) - ret = dw_pcie_wr_other_conf(pp, bus, devfn, + if (pp->ops->wr_other_conf) + ret = pp->ops->wr_other_conf(pp, bus, devfn, + where, size, val); + else + ret = dw_pcie_wr_other_conf(pp, bus, devfn, where, size, val); else ret = dw_pcie_wr_own_conf(pp, where, size, val); diff --git a/drivers/pci/host/pcie-designware.h b/drivers/pci/host/pcie-designware.h index 77f592faa7bf..daf81f922cda 100644 --- a/drivers/pci/host/pcie-designware.h +++ b/drivers/pci/host/pcie-designware.h @@ -36,11 +36,15 @@ struct pcie_port { u8 root_bus_nr; void __iomem *dbi_base; u64 cfg0_base; + u64 cfg0_mod_base; void __iomem *va_cfg0_base; u64 cfg1_base; + u64 cfg1_mod_base; void __iomem *va_cfg1_base; u64 io_base; + u64 io_mod_base; u64 mem_base; + u64 mem_mod_base; struct resource cfg; struct resource io; struct resource mem; @@ -61,8 +65,15 @@ struct pcie_host_ops { u32 val, void __iomem *dbi_base); int (*rd_own_conf)(struct pcie_port *pp, int where, int size, u32 *val); int (*wr_own_conf)(struct pcie_port *pp, int where, int size, u32 val); + int (*rd_other_conf)(struct pcie_port *pp, struct pci_bus *bus, + unsigned int devfn, int where, int size, u32 *val); + int (*wr_other_conf)(struct pcie_port *pp, struct pci_bus *bus, + unsigned int devfn, int where, int size, u32 val); int (*link_up)(struct pcie_port *pp); void (*host_init)(struct pcie_port *pp); + void (*msi_set_irq)(struct pcie_port *pp, int irq); + void (*msi_clear_irq)(struct pcie_port *pp, int irq); + u32 (*get_msi_data)(struct pcie_port *pp); }; int dw_pcie_cfg_read(void __iomem *addr, int where, int size, u32 *val); diff --git a/drivers/pci/hotplug/rpaphp_core.c b/drivers/pci/hotplug/rpaphp_core.c index 93aa29f6d39c..f2945fa73d4f 100644 --- a/drivers/pci/hotplug/rpaphp_core.c +++ b/drivers/pci/hotplug/rpaphp_core.c @@ -375,11 +375,11 @@ static void __exit cleanup_slots(void) static int __init rpaphp_init(void) { - struct device_node *dn = NULL; + struct device_node *dn; info(DRIVER_DESC " version: " DRIVER_VERSION "\n"); - while ((dn = of_find_node_by_name(dn, "pci"))) + for_each_node_by_name(dn, "pci") rpaphp_add_slot(dn); return 0; diff --git a/drivers/pci/ioapic.c b/drivers/pci/ioapic.c index 6b2b7dddbbdb..f6219d36227f 100644 --- a/drivers/pci/ioapic.c +++ b/drivers/pci/ioapic.c @@ -98,7 +98,7 @@ static void ioapic_remove(struct pci_dev *dev) } -static DEFINE_PCI_DEVICE_TABLE(ioapic_devices) = { +static const struct pci_device_id ioapic_devices[] = { { PCI_DEVICE_CLASS(PCI_CLASS_SYSTEM_PIC_IOAPIC, ~0) }, { PCI_DEVICE_CLASS(PCI_CLASS_SYSTEM_PIC_IOXAPIC, ~0) }, { } diff --git a/drivers/platform/x86/Kconfig b/drivers/platform/x86/Kconfig index 172f26ce59ac..3bbcbf12c1fb 100644 --- a/drivers/platform/x86/Kconfig +++ b/drivers/platform/x86/Kconfig @@ -652,6 +652,25 @@ config TOSHIBA_BT_RFKILL If you have a modern Toshiba laptop with a Bluetooth and an RFKill switch (such as the Portege R500), say Y. +config TOSHIBA_HAPS + tristate "Toshiba HDD Active Protection Sensor" + depends on ACPI + ---help--- + This driver adds support for the built-in accelerometer + found on recent Toshiba laptops equiped with HID TOS620A + device. + + This driver receives ACPI notify events 0x80 when the sensor + detects a sudden move or a harsh vibration, as well as an + ACPI notify event 0x81 whenever the movement or vibration has + been stabilized. + + Also provides sysfs entries to get/set the desired protection + level and reseting the HDD protection interface. + + If you have a recent Toshiba laptop with a built-in accelerometer + device, say Y. + config ACPI_CMPC tristate "CMPC Laptop Extras" depends on X86 && ACPI diff --git a/drivers/platform/x86/Makefile b/drivers/platform/x86/Makefile index c4ca428fd3db..f82232b1fc4d 100644 --- a/drivers/platform/x86/Makefile +++ b/drivers/platform/x86/Makefile @@ -38,6 +38,7 @@ obj-$(CONFIG_TOPSTAR_LAPTOP) += topstar-laptop.o obj-$(CONFIG_ACPI_TOSHIBA) += toshiba_acpi.o obj-$(CONFIG_TOSHIBA_BT_RFKILL) += toshiba_bluetooth.o +obj-$(CONFIG_TOSHIBA_HAPS) += toshiba_haps.o obj-$(CONFIG_INTEL_SCU_IPC) += intel_scu_ipc.o obj-$(CONFIG_INTEL_SCU_IPC_UTIL) += intel_scu_ipcutil.o obj-$(CONFIG_INTEL_MFLD_THERMAL) += intel_mid_thermal.o diff --git a/drivers/platform/x86/acer-wmi.c b/drivers/platform/x86/acer-wmi.c index bbf78b2d6d93..96a0b75c52c9 100644 --- a/drivers/platform/x86/acer-wmi.c +++ b/drivers/platform/x86/acer-wmi.c @@ -96,7 +96,7 @@ enum acer_wmi_event_ids { WMID_ACCEL_EVENT = 0x5, }; -static const struct key_entry acer_wmi_keymap[] = { +static const struct key_entry acer_wmi_keymap[] __initconst = { {KE_KEY, 0x01, {KEY_WLAN} }, /* WiFi */ {KE_KEY, 0x03, {KEY_WLAN} }, /* WiFi */ {KE_KEY, 0x04, {KEY_WLAN} }, /* WiFi */ @@ -294,7 +294,7 @@ struct quirk_entry { static struct quirk_entry *quirks; -static void set_quirks(void) +static void __init set_quirks(void) { if (!interface) return; @@ -306,7 +306,7 @@ static void set_quirks(void) interface->capability |= ACER_CAP_BRIGHTNESS; } -static int dmi_matched(const struct dmi_system_id *dmi) +static int __init dmi_matched(const struct dmi_system_id *dmi) { quirks = dmi->driver_data; return 1; @@ -337,7 +337,7 @@ static struct quirk_entry quirk_lenovo_ideapad_s205 = { }; /* The Aspire One has a dummy ACPI-WMI interface - disable it */ -static struct dmi_system_id acer_blacklist[] = { +static const struct dmi_system_id acer_blacklist[] __initconst = { { .ident = "Acer Aspire One (SSD)", .matches = { @@ -355,7 +355,7 @@ static struct dmi_system_id acer_blacklist[] = { {} }; -static struct dmi_system_id acer_quirks[] = { +static const struct dmi_system_id acer_quirks[] __initconst = { { .callback = dmi_matched, .ident = "Acer Aspire 1360", @@ -530,14 +530,15 @@ static struct dmi_system_id acer_quirks[] = { {} }; -static int video_set_backlight_video_vendor(const struct dmi_system_id *d) +static int __init +video_set_backlight_video_vendor(const struct dmi_system_id *d) { interface->capability &= ~ACER_CAP_BRIGHTNESS; pr_info("Brightness must be controlled by generic video driver\n"); return 0; } -static const struct dmi_system_id video_vendor_dmi_table[] = { +static const struct dmi_system_id video_vendor_dmi_table[] __initconst = { { .callback = video_set_backlight_video_vendor, .ident = "Acer TravelMate 4750", @@ -582,7 +583,7 @@ static const struct dmi_system_id video_vendor_dmi_table[] = { }; /* Find which quirks are needed for a particular vendor/ model pair */ -static void find_quirks(void) +static void __init find_quirks(void) { if (!force_series) { dmi_check_system(acer_quirks); @@ -749,7 +750,7 @@ static acpi_status AMW0_set_u32(u32 value, u32 cap) return wmab_execute(&args, NULL); } -static acpi_status AMW0_find_mailled(void) +static acpi_status __init AMW0_find_mailled(void) { struct wmab_args args; struct wmab_ret ret; @@ -781,16 +782,16 @@ static acpi_status AMW0_find_mailled(void) return AE_OK; } -static int AMW0_set_cap_acpi_check_device_found; +static int AMW0_set_cap_acpi_check_device_found __initdata; -static acpi_status AMW0_set_cap_acpi_check_device_cb(acpi_handle handle, +static acpi_status __init AMW0_set_cap_acpi_check_device_cb(acpi_handle handle, u32 level, void *context, void **retval) { AMW0_set_cap_acpi_check_device_found = 1; return AE_OK; } -static const struct acpi_device_id norfkill_ids[] = { +static const struct acpi_device_id norfkill_ids[] __initconst = { { "VPC2004", 0}, { "IBM0068", 0}, { "LEN0068", 0}, @@ -798,7 +799,7 @@ static const struct acpi_device_id norfkill_ids[] = { { "", 0}, }; -static int AMW0_set_cap_acpi_check_device(void) +static int __init AMW0_set_cap_acpi_check_device(void) { const struct acpi_device_id *id; @@ -808,7 +809,7 @@ static int AMW0_set_cap_acpi_check_device(void) return AMW0_set_cap_acpi_check_device_found; } -static acpi_status AMW0_set_capabilities(void) +static acpi_status __init AMW0_set_capabilities(void) { struct wmab_args args; struct wmab_ret ret; @@ -1184,7 +1185,7 @@ static acpi_status wmid_v2_set_u32(u32 value, u32 cap) return wmid3_set_device_status(value, device); } -static void type_aa_dmi_decode(const struct dmi_header *header, void *dummy) +static void __init type_aa_dmi_decode(const struct dmi_header *header, void *d) { struct hotkey_function_type_aa *type_aa; @@ -1209,7 +1210,7 @@ static void type_aa_dmi_decode(const struct dmi_header *header, void *dummy) commun_fn_key_number = type_aa->commun_fn_key_number; } -static acpi_status WMID_set_capabilities(void) +static acpi_status __init WMID_set_capabilities(void) { struct acpi_buffer out = {ACPI_ALLOCATE_BUFFER, NULL}; union acpi_object *obj; @@ -1658,7 +1659,7 @@ static ssize_t show_bool_threeg(struct device *dev, u32 result; \ acpi_status status; - pr_info("This threeg sysfs will be removed in 2012 - used by: %s\n", + pr_info("This threeg sysfs will be removed in 2014 - used by: %s\n", current->comm); status = get_u32(&result, ACER_CAP_THREEG); if (ACPI_SUCCESS(status)) @@ -1671,7 +1672,7 @@ static ssize_t set_bool_threeg(struct device *dev, { u32 tmp = simple_strtoul(buf, NULL, 10); acpi_status status = set_u32(tmp, ACER_CAP_THREEG); - pr_info("This threeg sysfs will be removed in 2012 - used by: %s\n", + pr_info("This threeg sysfs will be removed in 2014 - used by: %s\n", current->comm); if (ACPI_FAILURE(status)) return -EINVAL; @@ -1683,7 +1684,7 @@ static DEVICE_ATTR(threeg, S_IRUGO | S_IWUSR, show_bool_threeg, static ssize_t show_interface(struct device *dev, struct device_attribute *attr, char *buf) { - pr_info("This interface sysfs will be removed in 2012 - used by: %s\n", + pr_info("This interface sysfs will be removed in 2014 - used by: %s\n", current->comm); switch (interface->type) { case ACER_AMW0: @@ -1777,7 +1778,7 @@ static void acer_wmi_notify(u32 value, void *context) } } -static acpi_status +static acpi_status __init wmid3_set_lm_mode(struct lm_input_params *params, struct lm_return_value *return_value) { @@ -1811,7 +1812,7 @@ wmid3_set_lm_mode(struct lm_input_params *params, return status; } -static int acer_wmi_enable_ec_raw(void) +static int __init acer_wmi_enable_ec_raw(void) { struct lm_return_value return_value; acpi_status status; @@ -1834,7 +1835,7 @@ static int acer_wmi_enable_ec_raw(void) return status; } -static int acer_wmi_enable_lm(void) +static int __init acer_wmi_enable_lm(void) { struct lm_return_value return_value; acpi_status status; @@ -2043,6 +2044,7 @@ static int acer_platform_remove(struct platform_device *device) return 0; } +#ifdef CONFIG_PM_SLEEP static int acer_suspend(struct device *dev) { u32 value; @@ -2083,6 +2085,10 @@ static int acer_resume(struct device *dev) return 0; } +#else +#define acer_suspend NULL +#define acer_resume NULL +#endif static SIMPLE_DEV_PM_OPS(acer_pm, acer_suspend, acer_resume); @@ -2120,7 +2126,7 @@ static int remove_sysfs(struct platform_device *device) return 0; } -static int create_sysfs(void) +static int __init create_sysfs(void) { int retval = -ENOMEM; @@ -2149,7 +2155,7 @@ static void remove_debugfs(void) debugfs_remove(interface->debug.root); } -static int create_debugfs(void) +static int __init create_debugfs(void) { interface->debug.root = debugfs_create_dir("acer-wmi", NULL); if (!interface->debug.root) { diff --git a/drivers/platform/x86/alienware-wmi.c b/drivers/platform/x86/alienware-wmi.c index 297b6640213f..c5af23b64438 100644 --- a/drivers/platform/x86/alienware-wmi.c +++ b/drivers/platform/x86/alienware-wmi.c @@ -59,25 +59,33 @@ enum WMAX_CONTROL_STATES { struct quirk_entry { u8 num_zones; + u8 hdmi_mux; }; static struct quirk_entry *quirks; static struct quirk_entry quirk_unknown = { .num_zones = 2, + .hdmi_mux = 0, }; static struct quirk_entry quirk_x51_family = { .num_zones = 3, + .hdmi_mux = 0. }; -static int dmi_matched(const struct dmi_system_id *dmi) +static struct quirk_entry quirk_asm100 = { + .num_zones = 2, + .hdmi_mux = 1, +}; + +static int __init dmi_matched(const struct dmi_system_id *dmi) { quirks = dmi->driver_data; return 1; } -static struct dmi_system_id alienware_quirks[] = { +static const struct dmi_system_id alienware_quirks[] __initconst = { { .callback = dmi_matched, .ident = "Alienware X51 R1", @@ -96,6 +104,15 @@ static struct dmi_system_id alienware_quirks[] = { }, .driver_data = &quirk_x51_family, }, + { + .callback = dmi_matched, + .ident = "Alienware ASM100", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Alienware"), + DMI_MATCH(DMI_PRODUCT_NAME, "ASM100"), + }, + .driver_data = &quirk_asm100, + }, {} }; @@ -537,7 +554,8 @@ static struct attribute_group hdmi_attribute_group = { static void remove_hdmi(struct platform_device *dev) { - sysfs_remove_group(&dev->dev.kobj, &hdmi_attribute_group); + if (quirks->hdmi_mux > 0) + sysfs_remove_group(&dev->dev.kobj, &hdmi_attribute_group); } static int create_hdmi(struct platform_device *dev) @@ -583,7 +601,7 @@ static int __init alienware_wmi_init(void) if (ret) goto fail_platform_device2; - if (interface == WMAX) { + if (quirks->hdmi_mux > 0) { ret = create_hdmi(platform_device); if (ret) goto fail_prep_hdmi; diff --git a/drivers/platform/x86/asus-nb-wmi.c b/drivers/platform/x86/asus-nb-wmi.c index ddf0eefd862c..3a4951f46065 100644 --- a/drivers/platform/x86/asus-nb-wmi.c +++ b/drivers/platform/x86/asus-nb-wmi.c @@ -70,17 +70,35 @@ static struct quirk_entry quirk_asus_x55u = { .no_display_toggle = true, }; -static struct quirk_entry quirk_asus_x401u = { +static struct quirk_entry quirk_asus_wapf4 = { .wapf = 4, }; +static struct quirk_entry quirk_asus_x200ca = { + .wapf = 2, +}; + static int dmi_matched(const struct dmi_system_id *dmi) { quirks = dmi->driver_data; return 1; } -static struct dmi_system_id asus_quirks[] = { +static const struct dmi_system_id asus_quirks[] = { + { + .callback = dmi_matched, + .ident = "ASUSTeK COMPUTER INC. U32U", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK Computer Inc."), + DMI_MATCH(DMI_PRODUCT_NAME, "U32U"), + }, + /* + * Note this machine has a Brazos APU, and most Brazos Asus + * machines need quirk_asus_x55u / wmi_backlight_power but + * here acpi-video seems to work fine for backlight control. + */ + .driver_data = &quirk_asus_wapf4, + }, { .callback = dmi_matched, .ident = "ASUSTeK COMPUTER INC. X401U", @@ -97,7 +115,7 @@ static struct dmi_system_id asus_quirks[] = { DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."), DMI_MATCH(DMI_PRODUCT_NAME, "X401A"), }, - .driver_data = &quirk_asus_x401u, + .driver_data = &quirk_asus_wapf4, }, { .callback = dmi_matched, @@ -106,7 +124,7 @@ static struct dmi_system_id asus_quirks[] = { DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."), DMI_MATCH(DMI_PRODUCT_NAME, "X401A1"), }, - .driver_data = &quirk_asus_x401u, + .driver_data = &quirk_asus_wapf4, }, { .callback = dmi_matched, @@ -124,7 +142,7 @@ static struct dmi_system_id asus_quirks[] = { DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."), DMI_MATCH(DMI_PRODUCT_NAME, "X501A"), }, - .driver_data = &quirk_asus_x401u, + .driver_data = &quirk_asus_wapf4, }, { .callback = dmi_matched, @@ -133,7 +151,7 @@ static struct dmi_system_id asus_quirks[] = { DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."), DMI_MATCH(DMI_PRODUCT_NAME, "X501A1"), }, - .driver_data = &quirk_asus_x401u, + .driver_data = &quirk_asus_wapf4, }, { .callback = dmi_matched, @@ -142,7 +160,25 @@ static struct dmi_system_id asus_quirks[] = { DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."), DMI_MATCH(DMI_PRODUCT_NAME, "X550CA"), }, - .driver_data = &quirk_asus_x401u, + .driver_data = &quirk_asus_wapf4, + }, + { + .callback = dmi_matched, + .ident = "ASUSTeK COMPUTER INC. X550CC", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."), + DMI_MATCH(DMI_PRODUCT_NAME, "X550CC"), + }, + .driver_data = &quirk_asus_wapf4, + }, + { + .callback = dmi_matched, + .ident = "ASUSTeK COMPUTER INC. X550CL", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."), + DMI_MATCH(DMI_PRODUCT_NAME, "X550CL"), + }, + .driver_data = &quirk_asus_wapf4, }, { .callback = dmi_matched, @@ -151,7 +187,7 @@ static struct dmi_system_id asus_quirks[] = { DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."), DMI_MATCH(DMI_PRODUCT_NAME, "X55A"), }, - .driver_data = &quirk_asus_x401u, + .driver_data = &quirk_asus_wapf4, }, { .callback = dmi_matched, @@ -160,7 +196,7 @@ static struct dmi_system_id asus_quirks[] = { DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."), DMI_MATCH(DMI_PRODUCT_NAME, "X55C"), }, - .driver_data = &quirk_asus_x401u, + .driver_data = &quirk_asus_wapf4, }, { .callback = dmi_matched, @@ -178,7 +214,7 @@ static struct dmi_system_id asus_quirks[] = { DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."), DMI_MATCH(DMI_PRODUCT_NAME, "X55VD"), }, - .driver_data = &quirk_asus_x401u, + .driver_data = &quirk_asus_wapf4, }, { .callback = dmi_matched, @@ -187,7 +223,16 @@ static struct dmi_system_id asus_quirks[] = { DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."), DMI_MATCH(DMI_PRODUCT_NAME, "X75A"), }, - .driver_data = &quirk_asus_x401u, + .driver_data = &quirk_asus_wapf4, + }, + { + .callback = dmi_matched, + .ident = "ASUSTeK COMPUTER INC. X75VBP", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."), + DMI_MATCH(DMI_PRODUCT_NAME, "X75VBP"), + }, + .driver_data = &quirk_asus_wapf4, }, { .callback = dmi_matched, @@ -196,7 +241,7 @@ static struct dmi_system_id asus_quirks[] = { DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."), DMI_MATCH(DMI_PRODUCT_NAME, "1015E"), }, - .driver_data = &quirk_asus_x401u, + .driver_data = &quirk_asus_wapf4, }, { .callback = dmi_matched, @@ -205,7 +250,16 @@ static struct dmi_system_id asus_quirks[] = { DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."), DMI_MATCH(DMI_PRODUCT_NAME, "1015U"), }, - .driver_data = &quirk_asus_x401u, + .driver_data = &quirk_asus_wapf4, + }, + { + .callback = dmi_matched, + .ident = "ASUSTeK COMPUTER INC. X200CA", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."), + DMI_MATCH(DMI_PRODUCT_NAME, "X200CA"), + }, + .driver_data = &quirk_asus_x200ca, }, {}, }; diff --git a/drivers/platform/x86/asus-wmi.c b/drivers/platform/x86/asus-wmi.c index 3c6ccedc82b6..21fc932da3a1 100644 --- a/drivers/platform/x86/asus-wmi.c +++ b/drivers/platform/x86/asus-wmi.c @@ -46,6 +46,7 @@ #include <linux/platform_device.h> #include <linux/thermal.h> #include <linux/acpi.h> +#include <linux/dmi.h> #include <acpi/video.h> #include "asus-wmi.h" @@ -554,7 +555,7 @@ static int asus_wmi_led_init(struct asus_wmi *asus) goto error; } - if (wlan_led_presence(asus) && (asus->driver->quirks->wapf == 4)) { + if (wlan_led_presence(asus) && (asus->driver->quirks->wapf > 0)) { INIT_WORK(&asus->wlan_led_work, wlan_led_update); asus->wlan_led.name = "asus::wlan"; @@ -884,7 +885,7 @@ static int asus_new_rfkill(struct asus_wmi *asus, return -EINVAL; if ((dev_id == ASUS_WMI_DEVID_WLAN) && - (asus->driver->quirks->wapf == 4)) + (asus->driver->quirks->wapf > 0)) rfkill_set_led_trigger_name(*rfkill, "asus-wlan"); rfkill_init_sw_state(*rfkill, !result); @@ -1270,10 +1271,7 @@ static int asus_wmi_backlight_init(struct asus_wmi *asus) int power; max = read_brightness_max(asus); - - if (max == -ENODEV) - max = 0; - else if (max < 0) + if (max < 0) return max; power = read_backlight_power(asus); @@ -1734,6 +1732,7 @@ static int asus_wmi_add(struct platform_device *pdev) struct platform_driver *pdrv = to_platform_driver(pdev->dev.driver); struct asus_wmi_driver *wdrv = to_asus_wmi_driver(pdrv); struct asus_wmi *asus; + const char *chassis_type; acpi_status status; int err; u32 result; @@ -1770,6 +1769,11 @@ static int asus_wmi_add(struct platform_device *pdev) if (err) goto fail_rfkill; + /* Some Asus desktop boards export an acpi-video backlight interface, + stop this from showing up */ + chassis_type = dmi_get_system_info(DMI_CHASSIS_TYPE); + if (chassis_type && !strcmp(chassis_type, "3")) + acpi_video_dmi_promote_vendor(); if (asus->driver->quirks->wmi_backlight_power) acpi_video_dmi_promote_vendor(); if (!acpi_video_backlight_support()) { diff --git a/drivers/platform/x86/compal-laptop.c b/drivers/platform/x86/compal-laptop.c index 7297df2ebf50..26bfd7bb5c13 100644 --- a/drivers/platform/x86/compal-laptop.c +++ b/drivers/platform/x86/compal-laptop.c @@ -1028,7 +1028,7 @@ static int compal_probe(struct platform_device *pdev) return err; hwmon_dev = hwmon_device_register_with_groups(&pdev->dev, - DRIVER_NAME, data, + "compal", data, compal_hwmon_groups); if (IS_ERR(hwmon_dev)) { err = PTR_ERR(hwmon_dev); diff --git a/drivers/platform/x86/dell-laptop.c b/drivers/platform/x86/dell-laptop.c index fed4111ac31a..233d2ee598a6 100644 --- a/drivers/platform/x86/dell-laptop.c +++ b/drivers/platform/x86/dell-laptop.c @@ -70,7 +70,7 @@ static struct quirk_entry quirk_dell_vostro_v130 = { .touchpad_led = 1, }; -static int dmi_matched(const struct dmi_system_id *dmi) +static int __init dmi_matched(const struct dmi_system_id *dmi) { quirks = dmi->driver_data; return 1; @@ -123,7 +123,7 @@ static const struct dmi_system_id dell_device_table[] __initconst = { }; MODULE_DEVICE_TABLE(dmi, dell_device_table); -static struct dmi_system_id dell_quirks[] = { +static const struct dmi_system_id dell_quirks[] __initconst = { { .callback = dmi_matched, .ident = "Dell Vostro V130", @@ -780,7 +780,7 @@ static struct led_classdev touchpad_led = { .flags = LED_CORE_SUSPENDRESUME, }; -static int touchpad_led_init(struct device *dev) +static int __init touchpad_led_init(struct device *dev) { return led_classdev_register(dev, &touchpad_led); } diff --git a/drivers/platform/x86/eeepc-laptop.c b/drivers/platform/x86/eeepc-laptop.c index 9b0c57cd1d4a..bd533c22be57 100644 --- a/drivers/platform/x86/eeepc-laptop.c +++ b/drivers/platform/x86/eeepc-laptop.c @@ -1053,20 +1053,20 @@ static ssize_t show_sys_hwmon(int (*get)(void), char *buf) return sprintf(buf, "%d\n", get()); } -#define EEEPC_CREATE_SENSOR_ATTR(_name, _mode, _set, _get) \ +#define EEEPC_CREATE_SENSOR_ATTR(_name, _mode, _get, _set) \ static ssize_t show_##_name(struct device *dev, \ struct device_attribute *attr, \ char *buf) \ { \ - return show_sys_hwmon(_set, buf); \ + return show_sys_hwmon(_get, buf); \ } \ static ssize_t store_##_name(struct device *dev, \ struct device_attribute *attr, \ const char *buf, size_t count) \ { \ - return store_sys_hwmon(_get, buf, count); \ + return store_sys_hwmon(_set, buf, count); \ } \ - static DEVICE_ATTR(_name, _mode, show_##_name, store_##_name); + static DEVICE_ATTR(_name, _mode, show_##_name, store_##_name) EEEPC_CREATE_SENSOR_ATTR(fan1_input, S_IRUGO, eeepc_get_fan_rpm, NULL); EEEPC_CREATE_SENSOR_ATTR(pwm1, S_IRUGO | S_IWUSR, diff --git a/drivers/platform/x86/eeepc-wmi.c b/drivers/platform/x86/eeepc-wmi.c index 6112933f6278..14fd2ecb06a1 100644 --- a/drivers/platform/x86/eeepc-wmi.c +++ b/drivers/platform/x86/eeepc-wmi.c @@ -145,7 +145,7 @@ static int dmi_matched(const struct dmi_system_id *dmi) return 1; } -static struct dmi_system_id asus_quirks[] = { +static const struct dmi_system_id asus_quirks[] = { { .callback = dmi_matched, .ident = "ASUSTeK Computer INC. 1000H", diff --git a/drivers/platform/x86/fujitsu-laptop.c b/drivers/platform/x86/fujitsu-laptop.c index e6f336270c21..87aa28c4280f 100644 --- a/drivers/platform/x86/fujitsu-laptop.c +++ b/drivers/platform/x86/fujitsu-laptop.c @@ -129,15 +129,14 @@ #define FUJLAPTOP_DBG_INFO 0x0004 #define FUJLAPTOP_DBG_TRACE 0x0008 -#define dbg_printk(a_dbg_level, format, arg...) \ +#ifdef CONFIG_FUJITSU_LAPTOP_DEBUG +#define vdbg_printk(a_dbg_level, format, arg...) \ do { if (dbg_level & a_dbg_level) \ printk(FUJLAPTOP_DEBUG "%s: " format, __func__ , ## arg); \ } while (0) -#ifdef CONFIG_FUJITSU_LAPTOP_DEBUG -#define vdbg_printk(a_dbg_level, format, arg...) \ - dbg_printk(a_dbg_level, format, ## arg) #else -#define vdbg_printk(a_dbg_level, format, arg...) +#define vdbg_printk(a_dbg_level, format, arg...) \ + do { } while (0) #endif /* Device controlling the backlight and associated keys */ @@ -564,7 +563,7 @@ static struct platform_driver fujitsupf_driver = { } }; -static void dmi_check_cb_common(const struct dmi_system_id *id) +static void __init dmi_check_cb_common(const struct dmi_system_id *id) { pr_info("Identified laptop model '%s'\n", id->ident); if (use_alt_lcd_levels == -1) { @@ -578,7 +577,7 @@ static void dmi_check_cb_common(const struct dmi_system_id *id) } } -static int dmi_check_cb_s6410(const struct dmi_system_id *id) +static int __init dmi_check_cb_s6410(const struct dmi_system_id *id) { dmi_check_cb_common(id); fujitsu->keycode1 = KEY_SCREENLOCK; /* "Lock" */ @@ -586,7 +585,7 @@ static int dmi_check_cb_s6410(const struct dmi_system_id *id) return 1; } -static int dmi_check_cb_s6420(const struct dmi_system_id *id) +static int __init dmi_check_cb_s6420(const struct dmi_system_id *id) { dmi_check_cb_common(id); fujitsu->keycode1 = KEY_SCREENLOCK; /* "Lock" */ @@ -594,7 +593,7 @@ static int dmi_check_cb_s6420(const struct dmi_system_id *id) return 1; } -static int dmi_check_cb_p8010(const struct dmi_system_id *id) +static int __init dmi_check_cb_p8010(const struct dmi_system_id *id) { dmi_check_cb_common(id); fujitsu->keycode1 = KEY_HELP; /* "Support" */ @@ -603,7 +602,7 @@ static int dmi_check_cb_p8010(const struct dmi_system_id *id) return 1; } -static struct dmi_system_id fujitsu_dmi_table[] = { +static const struct dmi_system_id fujitsu_dmi_table[] __initconst = { { .ident = "Fujitsu Siemens S6410", .matches = { diff --git a/drivers/platform/x86/fujitsu-tablet.c b/drivers/platform/x86/fujitsu-tablet.c index c3784baceae3..53bdbb01bd3f 100644 --- a/drivers/platform/x86/fujitsu-tablet.c +++ b/drivers/platform/x86/fujitsu-tablet.c @@ -315,21 +315,21 @@ static irqreturn_t fujitsu_interrupt(int irq, void *dev_id) return IRQ_HANDLED; } -static void fujitsu_dmi_common(const struct dmi_system_id *dmi) +static void __init fujitsu_dmi_common(const struct dmi_system_id *dmi) { pr_info("%s\n", dmi->ident); memcpy(fujitsu.config.keymap, dmi->driver_data, sizeof(fujitsu.config.keymap)); } -static int fujitsu_dmi_lifebook(const struct dmi_system_id *dmi) +static int __init fujitsu_dmi_lifebook(const struct dmi_system_id *dmi) { fujitsu_dmi_common(dmi); fujitsu.config.quirks |= INVERT_TABLET_MODE_BIT; return 1; } -static int fujitsu_dmi_stylistic(const struct dmi_system_id *dmi) +static int __init fujitsu_dmi_stylistic(const struct dmi_system_id *dmi) { fujitsu_dmi_common(dmi); fujitsu.config.quirks |= FORCE_TABLET_MODE_IF_UNDOCK; diff --git a/drivers/platform/x86/hp-wmi.c b/drivers/platform/x86/hp-wmi.c index 484a8673b835..4c559640dcba 100644 --- a/drivers/platform/x86/hp-wmi.c +++ b/drivers/platform/x86/hp-wmi.c @@ -295,7 +295,7 @@ static int hp_wmi_tablet_state(void) return (state & 0x4) ? 1 : 0; } -static int hp_wmi_bios_2009_later(void) +static int __init hp_wmi_bios_2009_later(void) { int state = 0; int ret = hp_wmi_perform_query(HPWMI_FEATURE_QUERY, 0, &state, @@ -704,7 +704,7 @@ static void cleanup_sysfs(struct platform_device *device) device_remove_file(&device->dev, &dev_attr_postcode); } -static int hp_wmi_rfkill_setup(struct platform_device *device) +static int __init hp_wmi_rfkill_setup(struct platform_device *device) { int err; int wireless = 0; @@ -806,7 +806,7 @@ register_wifi_error: return err; } -static int hp_wmi_rfkill2_setup(struct platform_device *device) +static int __init hp_wmi_rfkill2_setup(struct platform_device *device) { int err, i; struct bios_rfkill2_state state; diff --git a/drivers/platform/x86/hp_accel.c b/drivers/platform/x86/hp_accel.c index 3dc934438c28..13e14ec1d3d7 100644 --- a/drivers/platform/x86/hp_accel.c +++ b/drivers/platform/x86/hp_accel.c @@ -74,7 +74,7 @@ static inline void delayed_sysfs_set(struct led_classdev *led_cdev, /* HP-specific accelerometer driver ------------------------------------ */ /* For automatic insertion of the module */ -static struct acpi_device_id lis3lv02d_device_ids[] = { +static const struct acpi_device_id lis3lv02d_device_ids[] = { {"HPQ0004", 0}, /* HP Mobile Data Protection System PNP */ {"HPQ6000", 0}, /* HP Mobile Data Protection System PNP */ {"HPQ6007", 0}, /* HP Mobile Data Protection System PNP */ @@ -192,7 +192,7 @@ DEFINE_CONV(xy_swap_yz_inverted, 2, -1, -3); }, \ .driver_data = &lis3lv02d_axis_##_axis \ } -static struct dmi_system_id lis3lv02d_dmi_ids[] = { +static const struct dmi_system_id lis3lv02d_dmi_ids[] = { /* product names are truncated to match all kinds of a same model */ AXIS_DMI_MATCH("NC64x0", "HP Compaq nc64", x_inverted), AXIS_DMI_MATCH("NC84x0", "HP Compaq nc84", z_inverted), diff --git a/drivers/platform/x86/ideapad-laptop.c b/drivers/platform/x86/ideapad-laptop.c index b4c495a62eec..fc468a3d95ce 100644 --- a/drivers/platform/x86/ideapad-laptop.c +++ b/drivers/platform/x86/ideapad-laptop.c @@ -87,6 +87,8 @@ struct ideapad_private { struct backlight_device *blightdev; struct dentry *debug; unsigned long cfg; + bool has_hw_rfkill_switch; + bool has_touchpad_control; }; static bool no_bt_rfkill; @@ -439,7 +441,7 @@ static umode_t ideapad_is_visible(struct kobject *kobj, return supported ? attr->mode : 0; } -static struct attribute_group ideapad_attribute_group = { +static const struct attribute_group ideapad_attribute_group = { .is_visible = ideapad_is_visible, .attrs = ideapad_attributes }; @@ -454,7 +456,7 @@ struct ideapad_rfk_data { int type; }; -const struct ideapad_rfk_data ideapad_rfk_data[] = { +const const struct ideapad_rfk_data ideapad_rfk_data[] = { { "ideapad_wlan", CFG_WIFI_BIT, VPCCMD_W_WIFI, RFKILL_TYPE_WLAN }, { "ideapad_bluetooth", CFG_BT_BIT, VPCCMD_W_BT, RFKILL_TYPE_BLUETOOTH }, { "ideapad_3g", CFG_3G_BIT, VPCCMD_W_3G, RFKILL_TYPE_WWAN }, @@ -473,12 +475,14 @@ static struct rfkill_ops ideapad_rfk_ops = { static void ideapad_sync_rfk_state(struct ideapad_private *priv) { - unsigned long hw_blocked; + unsigned long hw_blocked = 0; int i; - if (read_ec_data(priv->adev->handle, VPCCMD_R_RF, &hw_blocked)) - return; - hw_blocked = !hw_blocked; + if (priv->has_hw_rfkill_switch) { + if (read_ec_data(priv->adev->handle, VPCCMD_R_RF, &hw_blocked)) + return; + hw_blocked = !hw_blocked; + } for (i = 0; i < IDEAPAD_RFKILL_DEV_NUM; i++) if (priv->rfk[i]) @@ -763,6 +767,9 @@ static void ideapad_sync_touchpad_state(struct ideapad_private *priv) { unsigned long value; + if (!priv->has_touchpad_control) + return; + /* Without reading from EC touchpad LED doesn't switch state */ if (!read_ec_data(priv->adev->handle, VPCCMD_R_TOUCHPAD, &value)) { /* Some IdeaPads don't really turn off touchpad - they only @@ -821,14 +828,39 @@ static void ideapad_acpi_notify(acpi_handle handle, u32 event, void *data) } } -/* Blacklist for devices where the ideapad rfkill interface does not work */ -static struct dmi_system_id rfkill_blacklist[] = { - /* The Lenovo Yoga 2 11 always reports everything as blocked */ +/* + * Some ideapads don't have a hardware rfkill switch, reading VPCCMD_R_RF + * always results in 0 on these models, causing ideapad_laptop to wrongly + * report all radios as hardware-blocked. + */ +static struct dmi_system_id no_hw_rfkill_list[] = { { - .ident = "Lenovo Yoga 2 11", + .ident = "Lenovo Yoga 2 11 / 13 / Pro", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), - DMI_MATCH(DMI_PRODUCT_VERSION, "Lenovo Yoga 2 11"), + DMI_MATCH(DMI_PRODUCT_VERSION, "Lenovo Yoga 2"), + }, + }, + {} +}; + +/* + * Some models don't offer touchpad ctrl through the ideapad interface, causing + * ideapad_sync_touchpad_state to send wrong touchpad enable/disable events. + */ +static struct dmi_system_id no_touchpad_ctrl_list[] = { + { + .ident = "Lenovo Yoga 1 series", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), + DMI_MATCH(DMI_PRODUCT_VERSION, "Lenovo IdeaPad Yoga"), + }, + }, + { + .ident = "Lenovo Yoga 2 11 / 13 / Pro", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), + DMI_MATCH(DMI_PRODUCT_VERSION, "Lenovo Yoga 2"), }, }, {} @@ -856,6 +888,8 @@ static int ideapad_acpi_add(struct platform_device *pdev) priv->cfg = cfg; priv->adev = adev; priv->platform_device = pdev; + priv->has_hw_rfkill_switch = !dmi_check_system(no_hw_rfkill_list); + priv->has_touchpad_control = !dmi_check_system(no_touchpad_ctrl_list); ret = ideapad_sysfs_init(priv); if (ret) @@ -869,11 +903,17 @@ static int ideapad_acpi_add(struct platform_device *pdev) if (ret) goto input_failed; - if (!dmi_check_system(rfkill_blacklist)) { - for (i = 0; i < IDEAPAD_RFKILL_DEV_NUM; i++) - if (test_bit(ideapad_rfk_data[i].cfgbit, &priv->cfg)) - ideapad_register_rfkill(priv, i); - } + /* + * On some models without a hw-switch (the yoga 2 13 at least) + * VPCCMD_W_RF must be explicitly set to 1 for the wifi to work. + */ + if (!priv->has_hw_rfkill_switch) + write_ec_cmd(priv->adev->handle, VPCCMD_W_RF, 1); + + for (i = 0; i < IDEAPAD_RFKILL_DEV_NUM; i++) + if (test_bit(ideapad_rfk_data[i].cfgbit, &priv->cfg)) + ideapad_register_rfkill(priv, i); + ideapad_sync_rfk_state(priv); ideapad_sync_touchpad_state(priv); diff --git a/drivers/platform/x86/intel_ips.c b/drivers/platform/x86/intel_ips.c index 18dcb58ba965..c0242ed13d9e 100644 --- a/drivers/platform/x86/intel_ips.c +++ b/drivers/platform/x86/intel_ips.c @@ -269,7 +269,7 @@ struct ips_mcp_limits { /* Max temps are -10 degrees C to avoid PROCHOT# */ -struct ips_mcp_limits ips_sv_limits = { +static struct ips_mcp_limits ips_sv_limits = { .mcp_power_limit = 35000, .core_power_limit = 29000, .mch_power_limit = 20000, @@ -277,7 +277,7 @@ struct ips_mcp_limits ips_sv_limits = { .mch_temp_limit = 90 }; -struct ips_mcp_limits ips_lv_limits = { +static struct ips_mcp_limits ips_lv_limits = { .mcp_power_limit = 25000, .core_power_limit = 21000, .mch_power_limit = 13000, @@ -285,7 +285,7 @@ struct ips_mcp_limits ips_lv_limits = { .mch_temp_limit = 90 }; -struct ips_mcp_limits ips_ulv_limits = { +static struct ips_mcp_limits ips_ulv_limits = { .mcp_power_limit = 18000, .core_power_limit = 14000, .mch_power_limit = 11000, @@ -1478,7 +1478,7 @@ ips_link_to_i915_driver(void) } EXPORT_SYMBOL_GPL(ips_link_to_i915_driver); -static DEFINE_PCI_DEVICE_TABLE(ips_id_table) = { +static const struct pci_device_id ips_id_table[] = { { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_THERMAL_SENSOR), }, { 0, } diff --git a/drivers/platform/x86/intel_scu_ipc.c b/drivers/platform/x86/intel_scu_ipc.c index 76ca094ed012..66a4d3284aab 100644 --- a/drivers/platform/x86/intel_scu_ipc.c +++ b/drivers/platform/x86/intel_scu_ipc.c @@ -640,7 +640,7 @@ static void ipc_remove(struct pci_dev *pdev) intel_scu_devices_destroy(); } -static DEFINE_PCI_DEVICE_TABLE(pci_ids) = { +static const struct pci_device_id pci_ids[] = { { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_LINCROFT), (kernel_ulong_t)&intel_scu_ipc_lincroft_pdata, diff --git a/drivers/platform/x86/sony-laptop.c b/drivers/platform/x86/sony-laptop.c index 9c5a07417b2b..26ad9ff12ac5 100644 --- a/drivers/platform/x86/sony-laptop.c +++ b/drivers/platform/x86/sony-laptop.c @@ -2389,7 +2389,7 @@ static int sony_nc_lid_resume_setup(struct platform_device *pd, lid_ctl->attrs[LID_RESUME_S3].store = sony_nc_lid_resume_store; } for (i = 0; i < LID_RESUME_MAX && - lid_ctl->attrs[LID_RESUME_S3].attr.name; i++) { + lid_ctl->attrs[i].attr.name; i++) { result = device_create_file(&pd->dev, &lid_ctl->attrs[i]); if (result) goto liderror; diff --git a/drivers/platform/x86/thinkpad_acpi.c b/drivers/platform/x86/thinkpad_acpi.c index d82f196e3cfe..3bbc6eb60de5 100644 --- a/drivers/platform/x86/thinkpad_acpi.c +++ b/drivers/platform/x86/thinkpad_acpi.c @@ -3174,7 +3174,7 @@ static int __init hotkey_init(struct ibm_init_struct *iibm) KEY_UNKNOWN, /* Extra keys in use since the X240 / T440 / T540 */ - KEY_CONFIG, KEY_SEARCH, KEY_SCALE, KEY_COMPUTER, + KEY_CONFIG, KEY_SEARCH, KEY_SCALE, KEY_FILE, }, }; @@ -6144,7 +6144,7 @@ static int brightness_set(unsigned int value) { int res; - if (value > bright_maxlvl || value < 0) + if (value > bright_maxlvl) return -EINVAL; vdbg_printk(TPACPI_DBG_BRGHT, @@ -6860,7 +6860,7 @@ static int volume_alsa_mute_put(struct snd_kcontrol *kcontrol, return volume_alsa_set_mute(!ucontrol->value.integer.value[0]); } -static struct snd_kcontrol_new volume_alsa_control_vol = { +static struct snd_kcontrol_new volume_alsa_control_vol __initdata = { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = "Console Playback Volume", .index = 0, @@ -6869,7 +6869,7 @@ static struct snd_kcontrol_new volume_alsa_control_vol = { .get = volume_alsa_vol_get, }; -static struct snd_kcontrol_new volume_alsa_control_mute = { +static struct snd_kcontrol_new volume_alsa_control_mute __initdata = { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = "Console Playback Switch", .index = 0, diff --git a/drivers/platform/x86/toshiba_acpi.c b/drivers/platform/x86/toshiba_acpi.c index 76441dcbe5ff..b062d3d7b373 100644 --- a/drivers/platform/x86/toshiba_acpi.c +++ b/drivers/platform/x86/toshiba_acpi.c @@ -222,6 +222,12 @@ static const struct dmi_system_id toshiba_alt_keymap_dmi[] = { DMI_MATCH(DMI_PRODUCT_NAME, "Satellite M840"), }, }, + { + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"), + DMI_MATCH(DMI_PRODUCT_NAME, "Qosmio X75-A"), + }, + }, {} }; @@ -229,6 +235,7 @@ static const struct key_entry toshiba_acpi_alt_keymap[] = { { KE_KEY, 0x157, { KEY_MUTE } }, { KE_KEY, 0x102, { KEY_ZOOMOUT } }, { KE_KEY, 0x103, { KEY_ZOOMIN } }, + { KE_KEY, 0x12c, { KEY_KBDILLUMTOGGLE } }, { KE_KEY, 0x139, { KEY_ZOOMRESET } }, { KE_KEY, 0x13e, { KEY_SWITCHVIDEOMODE } }, { KE_KEY, 0x13c, { KEY_BRIGHTNESSDOWN } }, @@ -872,7 +879,9 @@ static int lcd_proc_open(struct inode *inode, struct file *file) static int set_lcd_brightness(struct toshiba_acpi_dev *dev, int value) { - u32 hci_result; + u32 in[HCI_WORDS] = { HCI_SET, HCI_LCD_BRIGHTNESS, 0, 0, 0, 0 }; + u32 out[HCI_WORDS]; + acpi_status status; if (dev->tr_backlight_supported) { bool enable = !value; @@ -883,9 +892,20 @@ static int set_lcd_brightness(struct toshiba_acpi_dev *dev, int value) value--; } - value = value << HCI_LCD_BRIGHTNESS_SHIFT; - hci_write1(dev, HCI_LCD_BRIGHTNESS, value, &hci_result); - return hci_result == HCI_SUCCESS ? 0 : -EIO; + in[2] = value << HCI_LCD_BRIGHTNESS_SHIFT; + status = hci_raw(dev, in, out); + if (ACPI_FAILURE(status) || out[0] == HCI_FAILURE) { + pr_err("ACPI call to set brightness failed"); + return -EIO; + } + /* Extra check for "incomplete" backlight method, where the AML code + * doesn't check for HCI_SET or HCI_GET and returns HCI_SUCCESS, + * the actual brightness, and in some cases the max brightness. + */ + if (out[2] > 0 || out[3] == 0xE000) + return -ENODEV; + + return out[0] == HCI_SUCCESS ? 0 : -EIO; } static int set_lcd_status(struct backlight_device *bd) diff --git a/drivers/platform/x86/toshiba_haps.c b/drivers/platform/x86/toshiba_haps.c new file mode 100644 index 000000000000..65300b6a84b9 --- /dev/null +++ b/drivers/platform/x86/toshiba_haps.c @@ -0,0 +1,265 @@ +/* + * Toshiba HDD Active Protection Sensor (HAPS) driver + * + * Copyright (C) 2014 Azael Avalos <coproscefalo@gmail.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + */ + +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/init.h> +#include <linux/types.h> +#include <linux/acpi.h> + +MODULE_AUTHOR("Azael Avalos <coproscefalo@gmail.com>"); +MODULE_DESCRIPTION("Toshiba HDD Active Protection Sensor"); +MODULE_LICENSE("GPL"); + +struct toshiba_haps_dev { + struct acpi_device *acpi_dev; + + int protection_level; +}; + +static struct toshiba_haps_dev *toshiba_haps; + +/* HAPS functions */ +static int toshiba_haps_reset_protection(acpi_handle handle) +{ + acpi_status status; + + status = acpi_evaluate_object(handle, "RSSS", NULL, NULL); + if (ACPI_FAILURE(status)) { + pr_err("Unable to reset the HDD protection\n"); + return -EIO; + } + + return 0; +} + +static int toshiba_haps_protection_level(acpi_handle handle, int level) +{ + acpi_status status; + + status = acpi_execute_simple_method(handle, "PTLV", level); + if (ACPI_FAILURE(status)) { + pr_err("Error while setting the protection level\n"); + return -EIO; + } + + pr_info("HDD protection level set to: %d\n", level); + + return 0; +} + +/* sysfs files */ +static ssize_t protection_level_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct toshiba_haps_dev *haps = dev_get_drvdata(dev); + + return sprintf(buf, "%i\n", haps->protection_level); +} + +static ssize_t protection_level_store(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t count) +{ + struct toshiba_haps_dev *haps = dev_get_drvdata(dev); + int level, ret; + + if (sscanf(buf, "%d", &level) != 1 || level < 0 || level > 3) + return -EINVAL; + + /* Set the sensor level. + * Acceptable levels are: + * 0 - Disabled | 1 - Low | 2 - Medium | 3 - High + */ + ret = toshiba_haps_protection_level(haps->acpi_dev->handle, level); + if (ret != 0) + return ret; + + haps->protection_level = level; + + return count; +} + +static ssize_t reset_protection_store(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t count) +{ + struct toshiba_haps_dev *haps = dev_get_drvdata(dev); + int reset, ret; + + if (sscanf(buf, "%d", &reset) != 1 || reset != 1) + return -EINVAL; + + /* Reset the protection interface */ + ret = toshiba_haps_reset_protection(haps->acpi_dev->handle); + if (ret != 0) + return ret; + + return count; +} + +static DEVICE_ATTR(protection_level, S_IRUGO | S_IWUSR, + protection_level_show, protection_level_store); +static DEVICE_ATTR(reset_protection, S_IWUSR, NULL, reset_protection_store); + +static struct attribute *haps_attributes[] = { + &dev_attr_protection_level.attr, + &dev_attr_reset_protection.attr, + NULL, +}; + +static struct attribute_group haps_attr_group = { + .attrs = haps_attributes, +}; + +/* + * ACPI stuff + */ +static void toshiba_haps_notify(struct acpi_device *device, u32 event) +{ + pr_info("Received event: 0x%x", event); + + acpi_bus_generate_netlink_event(device->pnp.device_class, + dev_name(&device->dev), + event, 0); +} + +static int toshiba_haps_remove(struct acpi_device *device) +{ + sysfs_remove_group(&device->dev.kobj, &haps_attr_group); + + if (toshiba_haps) + toshiba_haps = NULL; + + return 0; +} + +/* Helper function */ +static int toshiba_haps_available(acpi_handle handle) +{ + acpi_status status; + u64 hdd_present; + + /* + * A non existent device as well as having (only) + * Solid State Drives can cause the call to fail. + */ + status = acpi_evaluate_integer(handle, "_STA", NULL, + &hdd_present); + if (ACPI_FAILURE(status) || !hdd_present) { + pr_info("HDD protection not available or using SSD\n"); + return 0; + } + + return 1; +} + +static int toshiba_haps_add(struct acpi_device *acpi_dev) +{ + struct toshiba_haps_dev *haps; + int ret; + + if (toshiba_haps) + return -EBUSY; + + if (!toshiba_haps_available(acpi_dev->handle)) + return -ENODEV; + + pr_info("Toshiba HDD Active Protection Sensor device\n"); + + haps = kzalloc(sizeof(struct toshiba_haps_dev), GFP_KERNEL); + if (!haps) + return -ENOMEM; + + haps->acpi_dev = acpi_dev; + haps->protection_level = 2; + acpi_dev->driver_data = haps; + dev_set_drvdata(&acpi_dev->dev, haps); + + /* Set the protection level, currently at level 2 (Medium) */ + ret = toshiba_haps_protection_level(acpi_dev->handle, 2); + if (ret != 0) + return ret; + + ret = sysfs_create_group(&acpi_dev->dev.kobj, &haps_attr_group); + if (ret) + return ret; + + toshiba_haps = haps; + + return 0; +} + +#ifdef CONFIG_PM_SLEEP +static int toshiba_haps_suspend(struct device *device) +{ + struct toshiba_haps_dev *haps; + int ret; + + haps = acpi_driver_data(to_acpi_device(device)); + + /* Deactivate the protection on suspend */ + ret = toshiba_haps_protection_level(haps->acpi_dev->handle, 0); + + return ret; +} + +static int toshiba_haps_resume(struct device *device) +{ + struct toshiba_haps_dev *haps; + int ret; + + haps = acpi_driver_data(to_acpi_device(device)); + + /* Set the stored protection level */ + ret = toshiba_haps_protection_level(haps->acpi_dev->handle, + haps->protection_level); + + /* Reset the protection on resume */ + ret = toshiba_haps_reset_protection(haps->acpi_dev->handle); + if (ret != 0) + return ret; + + return ret; +} +#endif + +static SIMPLE_DEV_PM_OPS(toshiba_haps_pm, + toshiba_haps_suspend, toshiba_haps_resume); + +static const struct acpi_device_id haps_device_ids[] = { + {"TOS620A", 0}, + {"", 0}, +}; +MODULE_DEVICE_TABLE(acpi, haps_device_ids); + +static struct acpi_driver toshiba_haps_driver = { + .name = "Toshiba HAPS", + .owner = THIS_MODULE, + .ids = haps_device_ids, + .flags = ACPI_DRIVER_ALL_NOTIFY_EVENTS, + .ops = { + .add = toshiba_haps_add, + .remove = toshiba_haps_remove, + .notify = toshiba_haps_notify, + }, + .drv.pm = &toshiba_haps_pm, +}; + +module_acpi_driver(toshiba_haps_driver); diff --git a/drivers/platform/x86/wmi.c b/drivers/platform/x86/wmi.c index 43d13295e63d..737e56d46f61 100644 --- a/drivers/platform/x86/wmi.c +++ b/drivers/platform/x86/wmi.c @@ -256,10 +256,6 @@ static acpi_status wmi_method_enable(struct wmi_block *wblock, int enable) block = &wblock->gblock; handle = wblock->handle; - if (!block) - return AE_NOT_EXIST; - - snprintf(method, 5, "WE%02X", block->notify_id); status = acpi_execute_simple_method(handle, method, enable); diff --git a/drivers/ptp/ptp_pch.c b/drivers/ptp/ptp_pch.c index 90a106308c4f..255487272859 100644 --- a/drivers/ptp/ptp_pch.c +++ b/drivers/ptp/ptp_pch.c @@ -691,7 +691,7 @@ err_pci_en: return ret; } -static DEFINE_PCI_DEVICE_TABLE(pch_ieee1588_pcidev_id) = { +static const struct pci_device_id pch_ieee1588_pcidev_id[] = { { .vendor = PCI_VENDOR_ID_INTEL, .device = PCI_DEVICE_ID_PCH_1588 diff --git a/drivers/rapidio/devices/tsi721.c b/drivers/rapidio/devices/tsi721.c index 2ca1a0b3ad57..8bcfecd66281 100644 --- a/drivers/rapidio/devices/tsi721.c +++ b/drivers/rapidio/devices/tsi721.c @@ -2493,7 +2493,7 @@ err_exit: return err; } -static DEFINE_PCI_DEVICE_TABLE(tsi721_pci_tbl) = { +static const struct pci_device_id tsi721_pci_tbl[] = { { PCI_DEVICE(PCI_VENDOR_ID_IDT, PCI_DEVICE_ID_TSI721) }, { 0, } /* terminate list */ }; diff --git a/drivers/scsi/BusLogic.c b/drivers/scsi/BusLogic.c index 972f8176665f..64c75143c89a 100644 --- a/drivers/scsi/BusLogic.c +++ b/drivers/scsi/BusLogic.c @@ -3893,7 +3893,7 @@ __setup("BusLogic=", blogic_setup); PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, { } };*/ -static DEFINE_PCI_DEVICE_TABLE(blogic_pci_tbl) = { +static const struct pci_device_id blogic_pci_tbl[] = { {PCI_DEVICE(PCI_VENDOR_ID_BUSLOGIC, PCI_DEVICE_ID_BUSLOGIC_MULTIMASTER)}, {PCI_DEVICE(PCI_VENDOR_ID_BUSLOGIC, PCI_DEVICE_ID_BUSLOGIC_MULTIMASTER_NC)}, {PCI_DEVICE(PCI_VENDOR_ID_BUSLOGIC, PCI_DEVICE_ID_BUSLOGIC_FLASHPOINT)}, diff --git a/drivers/scsi/be2iscsi/be_main.c b/drivers/scsi/be2iscsi/be_main.c index eb3e3e619155..915c26b23ab6 100644 --- a/drivers/scsi/be2iscsi/be_main.c +++ b/drivers/scsi/be2iscsi/be_main.c @@ -539,7 +539,7 @@ static umode_t beiscsi_eth_get_attr_visibility(void *data, int type) } /*------------------- PCI Driver operations and data ----------------- */ -static DEFINE_PCI_DEVICE_TABLE(beiscsi_pci_id_table) = { +static const struct pci_device_id beiscsi_pci_id_table[] = { { PCI_DEVICE(BE_VENDOR_ID, BE_DEVICE_ID1) }, { PCI_DEVICE(BE_VENDOR_ID, BE_DEVICE_ID2) }, { PCI_DEVICE(BE_VENDOR_ID, OC_DEVICE_ID1) }, diff --git a/drivers/scsi/csiostor/csio_init.c b/drivers/scsi/csiostor/csio_init.c index 1aafc331ee63..17794add855c 100644 --- a/drivers/scsi/csiostor/csio_init.c +++ b/drivers/scsi/csiostor/csio_init.c @@ -1167,7 +1167,7 @@ static struct pci_error_handlers csio_err_handler = { .resume = csio_pci_resume, }; -static DEFINE_PCI_DEVICE_TABLE(csio_pci_tbl) = { +static const struct pci_device_id csio_pci_tbl[] = { CSIO_DEVICE(CSIO_DEVID_T440DBG_FCOE, 0), /* T4 DEBUG FCOE */ CSIO_DEVICE(CSIO_DEVID_T420CR_FCOE, 0), /* T420CR FCOE */ CSIO_DEVICE(CSIO_DEVID_T422CR_FCOE, 0), /* T422CR FCOE */ diff --git a/drivers/scsi/cxgbi/cxgb3i/Kconfig b/drivers/scsi/cxgbi/cxgb3i/Kconfig index 6bbc36fbd6ec..e4603985dce3 100644 --- a/drivers/scsi/cxgbi/cxgb3i/Kconfig +++ b/drivers/scsi/cxgbi/cxgb3i/Kconfig @@ -1,6 +1,6 @@ config SCSI_CXGB3_ISCSI tristate "Chelsio T3 iSCSI support" - depends on PCI && INET + depends on PCI && INET && (IPV6 || IPV6=n) select NETDEVICES select ETHERNET select NET_VENDOR_CHELSIO diff --git a/drivers/scsi/cxgbi/cxgb4i/Kconfig b/drivers/scsi/cxgbi/cxgb4i/Kconfig index 16b2c7d26617..8c4e423037b6 100644 --- a/drivers/scsi/cxgbi/cxgb4i/Kconfig +++ b/drivers/scsi/cxgbi/cxgb4i/Kconfig @@ -1,6 +1,6 @@ config SCSI_CXGB4_ISCSI tristate "Chelsio T4 iSCSI support" - depends on PCI && INET + depends on PCI && INET && (IPV6 || IPV6=n) select NETDEVICES select ETHERNET select NET_VENDOR_CHELSIO diff --git a/drivers/scsi/isci/init.c b/drivers/scsi/isci/init.c index 4198e45ea941..2e890b1e2526 100644 --- a/drivers/scsi/isci/init.c +++ b/drivers/scsi/isci/init.c @@ -75,7 +75,7 @@ MODULE_VERSION(DRV_VERSION); static struct scsi_transport_template *isci_transport_template; -static DEFINE_PCI_DEVICE_TABLE(isci_id_table) = { +static const struct pci_device_id isci_id_table[] = { { PCI_VDEVICE(INTEL, 0x1D61),}, { PCI_VDEVICE(INTEL, 0x1D63),}, { PCI_VDEVICE(INTEL, 0x1D65),}, diff --git a/drivers/scsi/libiscsi.c b/drivers/scsi/libiscsi.c index f9f3a1224dfa..ea025e4806b6 100644 --- a/drivers/scsi/libiscsi.c +++ b/drivers/scsi/libiscsi.c @@ -2097,7 +2097,7 @@ static void iscsi_check_transport_timeouts(unsigned long data) conn->ping_timeout, conn->recv_timeout, last_recv, conn->last_ping, jiffies); spin_unlock(&session->frwd_lock); - iscsi_conn_failure(conn, ISCSI_ERR_CONN_FAILED); + iscsi_conn_failure(conn, ISCSI_ERR_NOP_TIMEDOUT); return; } diff --git a/drivers/scsi/mpt3sas/mpt3sas_scsih.c b/drivers/scsi/mpt3sas/mpt3sas_scsih.c index 7cf48c5c15a7..135f12c20ecf 100644 --- a/drivers/scsi/mpt3sas/mpt3sas_scsih.c +++ b/drivers/scsi/mpt3sas/mpt3sas_scsih.c @@ -247,7 +247,7 @@ struct _scsi_io_transfer { /* * The pci device ids are defined in mpi/mpi2_cnfg.h. */ -static DEFINE_PCI_DEVICE_TABLE(scsih_pci_table) = { +static const struct pci_device_id scsih_pci_table[] = { /* Fury ~ 3004 and 3008 */ { MPI2_MFGPAGE_VENDORID_LSI, MPI25_MFGPAGE_DEVID_SAS3004, PCI_ANY_ID, PCI_ANY_ID }, diff --git a/drivers/scsi/mvumi.c b/drivers/scsi/mvumi.c index 3e716b2f611a..3e6b866759fe 100644 --- a/drivers/scsi/mvumi.c +++ b/drivers/scsi/mvumi.c @@ -48,7 +48,7 @@ MODULE_LICENSE("GPL"); MODULE_AUTHOR("jyli@marvell.com"); MODULE_DESCRIPTION("Marvell UMI Driver"); -static DEFINE_PCI_DEVICE_TABLE(mvumi_pci_table) = { +static const struct pci_device_id mvumi_pci_table[] = { { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, PCI_DEVICE_ID_MARVELL_MV9143) }, { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, PCI_DEVICE_ID_MARVELL_MV9580) }, { 0 } diff --git a/drivers/scsi/pm8001/pm8001_ctl.c b/drivers/scsi/pm8001/pm8001_ctl.c index d3a08aea0948..7abbf284da1a 100644 --- a/drivers/scsi/pm8001/pm8001_ctl.c +++ b/drivers/scsi/pm8001/pm8001_ctl.c @@ -526,18 +526,19 @@ static int pm8001_set_nvmd(struct pm8001_hba_info *pm8001_ha) { struct pm8001_ioctl_payload *payload; DECLARE_COMPLETION_ONSTACK(completion); - u8 *ioctlbuffer = NULL; - u32 length = 0; - u32 ret = 0; + u8 *ioctlbuffer; + u32 ret; + u32 length = 1024 * 5 + sizeof(*payload) - 1; + + if (pm8001_ha->fw_image->size > 4096) { + pm8001_ha->fw_status = FAIL_FILE_SIZE; + return -EFAULT; + } - length = 1024 * 5 + sizeof(*payload) - 1; ioctlbuffer = kzalloc(length, GFP_KERNEL); - if (!ioctlbuffer) + if (!ioctlbuffer) { + pm8001_ha->fw_status = FAIL_OUT_MEMORY; return -ENOMEM; - if ((pm8001_ha->fw_image->size <= 0) || - (pm8001_ha->fw_image->size > 4096)) { - ret = FAIL_FILE_SIZE; - goto out; } payload = (struct pm8001_ioctl_payload *)ioctlbuffer; memcpy((u8 *)&payload->func_specific, (u8 *)pm8001_ha->fw_image->data, @@ -547,6 +548,10 @@ static int pm8001_set_nvmd(struct pm8001_hba_info *pm8001_ha) payload->minor_function = 0x1; pm8001_ha->nvmd_completion = &completion; ret = PM8001_CHIP_DISP->set_nvmd_req(pm8001_ha, payload); + if (ret) { + pm8001_ha->fw_status = FAIL_OUT_MEMORY; + goto out; + } wait_for_completion(&completion); out: kfree(ioctlbuffer); @@ -557,35 +562,31 @@ static int pm8001_update_flash(struct pm8001_hba_info *pm8001_ha) { struct pm8001_ioctl_payload *payload; DECLARE_COMPLETION_ONSTACK(completion); - u8 *ioctlbuffer = NULL; - u32 length = 0; + u8 *ioctlbuffer; struct fw_control_info *fwControl; - u32 loopNumber, loopcount = 0; - u32 sizeRead = 0; u32 partitionSize, partitionSizeTmp; - u32 ret = 0; - u32 partitionNumber = 0; + u32 loopNumber, loopcount; struct pm8001_fw_image_header *image_hdr; + u32 sizeRead = 0; + u32 ret = 0; + u32 length = 1024 * 16 + sizeof(*payload) - 1; - length = 1024 * 16 + sizeof(*payload) - 1; + if (pm8001_ha->fw_image->size < 28) { + pm8001_ha->fw_status = FAIL_FILE_SIZE; + return -EFAULT; + } ioctlbuffer = kzalloc(length, GFP_KERNEL); - image_hdr = (struct pm8001_fw_image_header *)pm8001_ha->fw_image->data; - if (!ioctlbuffer) + if (!ioctlbuffer) { + pm8001_ha->fw_status = FAIL_OUT_MEMORY; return -ENOMEM; - if (pm8001_ha->fw_image->size < 28) { - ret = FAIL_FILE_SIZE; - goto out; } - + image_hdr = (struct pm8001_fw_image_header *)pm8001_ha->fw_image->data; while (sizeRead < pm8001_ha->fw_image->size) { partitionSizeTmp = *(u32 *)((u8 *)&image_hdr->image_length + sizeRead); partitionSize = be32_to_cpu(partitionSizeTmp); - loopcount = (partitionSize + HEADER_LEN)/IOCTL_BUF_SIZE; - if (loopcount % IOCTL_BUF_SIZE) - loopcount++; - if (loopcount == 0) - loopcount++; + loopcount = DIV_ROUND_UP(partitionSize + HEADER_LEN, + IOCTL_BUF_SIZE); for (loopNumber = 0; loopNumber < loopcount; loopNumber++) { payload = (struct pm8001_ioctl_payload *)ioctlbuffer; payload->length = 1024*16; @@ -617,18 +618,18 @@ static int pm8001_update_flash(struct pm8001_hba_info *pm8001_ha) pm8001_ha->nvmd_completion = &completion; ret = PM8001_CHIP_DISP->fw_flash_update_req(pm8001_ha, payload); - if (ret) - break; + if (ret) { + pm8001_ha->fw_status = FAIL_OUT_MEMORY; + goto out; + } wait_for_completion(&completion); if (fwControl->retcode > FLASH_UPDATE_IN_PROGRESS) { - ret = fwControl->retcode; - break; + pm8001_ha->fw_status = fwControl->retcode; + ret = -EFAULT; + goto out; + } } } - if (ret) - break; - partitionNumber++; -} out: kfree(ioctlbuffer); return ret; @@ -643,22 +644,29 @@ static ssize_t pm8001_store_update_fw(struct device *cdev, char *cmd_ptr, *filename_ptr; int res, i; int flash_command = FLASH_CMD_NONE; - int err = 0; + int ret; + if (!capable(CAP_SYS_ADMIN)) return -EACCES; - cmd_ptr = kzalloc(count*2, GFP_KERNEL); + /* this test protects us from running two flash processes at once, + * so we should start with this test */ + if (pm8001_ha->fw_status == FLASH_IN_PROGRESS) + return -EINPROGRESS; + pm8001_ha->fw_status = FLASH_IN_PROGRESS; + cmd_ptr = kzalloc(count*2, GFP_KERNEL); if (!cmd_ptr) { - err = FAIL_OUT_MEMORY; - goto out; + pm8001_ha->fw_status = FAIL_OUT_MEMORY; + return -ENOMEM; } filename_ptr = cmd_ptr + count; res = sscanf(buf, "%s %s", cmd_ptr, filename_ptr); if (res != 2) { - err = FAIL_PARAMETERS; - goto out1; + pm8001_ha->fw_status = FAIL_PARAMETERS; + ret = -EINVAL; + goto out; } for (i = 0; flash_command_table[i].code != FLASH_CMD_NONE; i++) { @@ -669,50 +677,38 @@ static ssize_t pm8001_store_update_fw(struct device *cdev, } } if (flash_command == FLASH_CMD_NONE) { - err = FAIL_PARAMETERS; - goto out1; + pm8001_ha->fw_status = FAIL_PARAMETERS; + ret = -EINVAL; + goto out; } - if (pm8001_ha->fw_status == FLASH_IN_PROGRESS) { - err = FLASH_IN_PROGRESS; - goto out1; - } - err = request_firmware(&pm8001_ha->fw_image, + ret = request_firmware(&pm8001_ha->fw_image, filename_ptr, pm8001_ha->dev); - if (err) { + if (ret) { PM8001_FAIL_DBG(pm8001_ha, - pm8001_printk("Failed to load firmware image file %s," - " error %d\n", filename_ptr, err)); - err = FAIL_OPEN_BIOS_FILE; - goto out1; + pm8001_printk( + "Failed to load firmware image file %s, error %d\n", + filename_ptr, ret)); + pm8001_ha->fw_status = FAIL_OPEN_BIOS_FILE; + goto out; } - switch (flash_command) { - case FLASH_CMD_UPDATE: - pm8001_ha->fw_status = FLASH_IN_PROGRESS; - err = pm8001_update_flash(pm8001_ha); - break; - case FLASH_CMD_SET_NVMD: - pm8001_ha->fw_status = FLASH_IN_PROGRESS; - err = pm8001_set_nvmd(pm8001_ha); - break; - default: - pm8001_ha->fw_status = FAIL_PARAMETERS; - err = FAIL_PARAMETERS; - break; - } + if (FLASH_CMD_UPDATE == flash_command) + ret = pm8001_update_flash(pm8001_ha); + else + ret = pm8001_set_nvmd(pm8001_ha); + release_firmware(pm8001_ha->fw_image); -out1: - kfree(cmd_ptr); out: - pm8001_ha->fw_status = err; + kfree(cmd_ptr); - if (!err) - return count; - else - return -err; + if (ret) + return ret; + + pm8001_ha->fw_status = FLASH_OK; + return count; } static ssize_t pm8001_show_update_fw(struct device *cdev, diff --git a/drivers/scsi/pm8001/pm8001_hwi.c b/drivers/scsi/pm8001/pm8001_hwi.c index 173831016f5f..dd12c6fe57a6 100644 --- a/drivers/scsi/pm8001/pm8001_hwi.c +++ b/drivers/scsi/pm8001/pm8001_hwi.c @@ -4824,7 +4824,7 @@ int pm8001_chip_set_nvmd_req(struct pm8001_hba_info *pm8001_ha, rc = pm8001_tag_alloc(pm8001_ha, &tag); if (rc) { kfree(fw_control_context); - return rc; + return -EBUSY; } ccb = &pm8001_ha->ccb_info[tag]; ccb->fw_control_context = fw_control_context; @@ -4946,7 +4946,7 @@ pm8001_chip_fw_flash_update_req(struct pm8001_hba_info *pm8001_ha, rc = pm8001_tag_alloc(pm8001_ha, &tag); if (rc) { kfree(fw_control_context); - return rc; + return -EBUSY; } ccb = &pm8001_ha->ccb_info[tag]; ccb->fw_control_context = fw_control_context; diff --git a/drivers/scsi/pm8001/pm8001_init.c b/drivers/scsi/pm8001/pm8001_init.c index e49623a897a7..666bf5af06e2 100644 --- a/drivers/scsi/pm8001/pm8001_init.c +++ b/drivers/scsi/pm8001/pm8001_init.c @@ -748,34 +748,35 @@ static u32 pm8001_setup_msix(struct pm8001_hba_info *pm8001_ha) sizeof(pm8001_ha->msix_entries[0]); for (i = 0; i < max_entry ; i++) pm8001_ha->msix_entries[i].entry = i; - rc = pci_enable_msix(pm8001_ha->pdev, pm8001_ha->msix_entries, + rc = pci_enable_msix_exact(pm8001_ha->pdev, pm8001_ha->msix_entries, number_of_intr); pm8001_ha->number_of_intr = number_of_intr; - if (!rc) { - PM8001_INIT_DBG(pm8001_ha, pm8001_printk( - "pci_enable_msix request ret:%d no of intr %d\n", - rc, pm8001_ha->number_of_intr)); + if (rc) + return rc; + PM8001_INIT_DBG(pm8001_ha, pm8001_printk( + "pci_enable_msix_exact request ret:%d no of intr %d\n", + rc, pm8001_ha->number_of_intr)); - for (i = 0; i < number_of_intr; i++) { - snprintf(intr_drvname[i], sizeof(intr_drvname[0]), - DRV_NAME"%d", i); - pm8001_ha->irq_vector[i].irq_id = i; - pm8001_ha->irq_vector[i].drv_inst = pm8001_ha; + for (i = 0; i < number_of_intr; i++) { + snprintf(intr_drvname[i], sizeof(intr_drvname[0]), + DRV_NAME"%d", i); + pm8001_ha->irq_vector[i].irq_id = i; + pm8001_ha->irq_vector[i].drv_inst = pm8001_ha; - rc = request_irq(pm8001_ha->msix_entries[i].vector, - pm8001_interrupt_handler_msix, flag, - intr_drvname[i], &(pm8001_ha->irq_vector[i])); - if (rc) { - for (j = 0; j < i; j++) - free_irq( - pm8001_ha->msix_entries[j].vector, + rc = request_irq(pm8001_ha->msix_entries[i].vector, + pm8001_interrupt_handler_msix, flag, + intr_drvname[i], &(pm8001_ha->irq_vector[i])); + if (rc) { + for (j = 0; j < i; j++) { + free_irq(pm8001_ha->msix_entries[j].vector, &(pm8001_ha->irq_vector[i])); - pci_disable_msix(pm8001_ha->pdev); - break; } + pci_disable_msix(pm8001_ha->pdev); + break; } } + return rc; } #endif diff --git a/drivers/scsi/qla4xxx/ql4_init.c b/drivers/scsi/qla4xxx/ql4_init.c index 6f12f859b11d..4180d6d9fe78 100644 --- a/drivers/scsi/qla4xxx/ql4_init.c +++ b/drivers/scsi/qla4xxx/ql4_init.c @@ -334,6 +334,12 @@ void qla4xxx_alloc_fw_dump(struct scsi_qla_host *ha) /* Allocate memory for saving the template */ md_tmp = dma_alloc_coherent(&ha->pdev->dev, ha->fw_dump_tmplt_size, &md_tmp_dma, GFP_KERNEL); + if (!md_tmp) { + ql4_printk(KERN_INFO, ha, + "scsi%ld: Failed to allocate DMA memory\n", + ha->host_no); + return; + } /* Request template */ status = qla4xxx_get_minidump_template(ha, md_tmp_dma); diff --git a/drivers/scsi/qla4xxx/ql4_mbx.c b/drivers/scsi/qla4xxx/ql4_mbx.c index fdfae79924ac..c291fdff1b33 100644 --- a/drivers/scsi/qla4xxx/ql4_mbx.c +++ b/drivers/scsi/qla4xxx/ql4_mbx.c @@ -1620,8 +1620,8 @@ int qla4xxx_get_chap(struct scsi_qla_host *ha, char *username, char *password, goto exit_get_chap; } - strncpy(password, chap_table->secret, QL4_CHAP_MAX_SECRET_LEN); - strncpy(username, chap_table->name, QL4_CHAP_MAX_NAME_LEN); + strlcpy(password, chap_table->secret, QL4_CHAP_MAX_SECRET_LEN); + strlcpy(username, chap_table->name, QL4_CHAP_MAX_NAME_LEN); chap_table->cookie = __constant_cpu_to_le16(CHAP_VALID_COOKIE); exit_get_chap: @@ -1663,8 +1663,8 @@ int qla4xxx_set_chap(struct scsi_qla_host *ha, char *username, char *password, else chap_table->flags |= BIT_7; /* local */ chap_table->secret_len = strlen(password); - strncpy(chap_table->secret, password, MAX_CHAP_SECRET_LEN); - strncpy(chap_table->name, username, MAX_CHAP_NAME_LEN); + strncpy(chap_table->secret, password, MAX_CHAP_SECRET_LEN - 1); + strncpy(chap_table->name, username, MAX_CHAP_NAME_LEN - 1); chap_table->cookie = __constant_cpu_to_le16(CHAP_VALID_COOKIE); if (is_qla40XX(ha)) { @@ -1742,8 +1742,8 @@ int qla4xxx_get_uni_chap_at_index(struct scsi_qla_host *ha, char *username, goto exit_unlock_uni_chap; } - strncpy(password, chap_table->secret, MAX_CHAP_SECRET_LEN); - strncpy(username, chap_table->name, MAX_CHAP_NAME_LEN); + strlcpy(password, chap_table->secret, MAX_CHAP_SECRET_LEN); + strlcpy(username, chap_table->name, MAX_CHAP_NAME_LEN); rval = QLA_SUCCESS; @@ -2295,7 +2295,7 @@ int qla4_8xxx_set_param(struct scsi_qla_host *ha, int param) if (param == SET_DRVR_VERSION) { mbox_cmd[1] = SET_DRVR_VERSION; strncpy((char *)&mbox_cmd[2], QLA4XXX_DRIVER_VERSION, - MAX_DRVR_VER_LEN); + MAX_DRVR_VER_LEN - 1); } else { ql4_printk(KERN_ERR, ha, "%s: invalid parameter 0x%x\n", __func__, param); diff --git a/drivers/scsi/qla4xxx/ql4_nx.c b/drivers/scsi/qla4xxx/ql4_nx.c index 9dbdb4be2d8f..7c3365864242 100644 --- a/drivers/scsi/qla4xxx/ql4_nx.c +++ b/drivers/scsi/qla4xxx/ql4_nx.c @@ -4221,7 +4221,7 @@ qla4_8xxx_enable_msix(struct scsi_qla_host *ha) for (i = 0; i < QLA_MSIX_ENTRIES; i++) entries[i].entry = qla4_8xxx_msix_entries[i].entry; - ret = pci_enable_msix(ha->pdev, entries, ARRAY_SIZE(entries)); + ret = pci_enable_msix_exact(ha->pdev, entries, ARRAY_SIZE(entries)); if (ret) { ql4_printk(KERN_WARNING, ha, "MSI-X: Failed to enable support -- %d/%d\n", diff --git a/drivers/scsi/qla4xxx/ql4_os.c b/drivers/scsi/qla4xxx/ql4_os.c index c5d9564d455c..199fcf79a051 100644 --- a/drivers/scsi/qla4xxx/ql4_os.c +++ b/drivers/scsi/qla4xxx/ql4_os.c @@ -756,9 +756,9 @@ static int qla4xxx_get_chap_list(struct Scsi_Host *shost, uint16_t chap_tbl_idx, continue; chap_rec->chap_tbl_idx = i; - strncpy(chap_rec->username, chap_table->name, + strlcpy(chap_rec->username, chap_table->name, ISCSI_CHAP_AUTH_NAME_MAX_LEN); - strncpy(chap_rec->password, chap_table->secret, + strlcpy(chap_rec->password, chap_table->secret, QL4_CHAP_MAX_SECRET_LEN); chap_rec->password_length = chap_table->secret_len; @@ -1050,6 +1050,7 @@ static int qla4xxx_get_host_stats(struct Scsi_Host *shost, char *buf, int len) if (!ql_iscsi_stats) { ql4_printk(KERN_ERR, ha, "Unable to allocate memory for iscsi stats\n"); + ret = -ENOMEM; goto exit_host_stats; } @@ -1058,6 +1059,7 @@ static int qla4xxx_get_host_stats(struct Scsi_Host *shost, char *buf, int len) if (ret != QLA_SUCCESS) { ql4_printk(KERN_ERR, ha, "Unable to retrieve iscsi stats\n"); + ret = -EIO; goto exit_host_stats; } host_stats->mactx_frames = le64_to_cpu(ql_iscsi_stats->mac_tx_frames); @@ -6027,8 +6029,8 @@ static int qla4xxx_get_bidi_chap(struct scsi_qla_host *ha, char *username, if (!(chap_table->flags & BIT_6)) /* Not BIDI */ continue; - strncpy(password, chap_table->secret, QL4_CHAP_MAX_SECRET_LEN); - strncpy(username, chap_table->name, QL4_CHAP_MAX_NAME_LEN); + strlcpy(password, chap_table->secret, QL4_CHAP_MAX_SECRET_LEN); + strlcpy(username, chap_table->name, QL4_CHAP_MAX_NAME_LEN); ret = 0; break; } @@ -6258,8 +6260,8 @@ static void qla4xxx_get_param_ddb(struct ddb_entry *ddb_entry, tddb->tpgt = sess->tpgt; tddb->port = conn->persistent_port; - strncpy(tddb->iscsi_name, sess->targetname, ISCSI_NAME_SIZE); - strncpy(tddb->ip_addr, conn->persistent_address, DDB_IPADDR_LEN); + strlcpy(tddb->iscsi_name, sess->targetname, ISCSI_NAME_SIZE); + strlcpy(tddb->ip_addr, conn->persistent_address, DDB_IPADDR_LEN); } static void qla4xxx_convert_param_ddb(struct dev_db_entry *fw_ddb_entry, @@ -7764,7 +7766,7 @@ static int qla4xxx_sysfs_ddb_logout(struct iscsi_bus_flash_session *fnode_sess, goto exit_ddb_logout; } - strncpy(flash_tddb->iscsi_name, fnode_sess->targetname, + strlcpy(flash_tddb->iscsi_name, fnode_sess->targetname, ISCSI_NAME_SIZE); if (!strncmp(fnode_sess->portal_type, PORTAL_TYPE_IPV6, 4)) diff --git a/drivers/scsi/scsi.c b/drivers/scsi/scsi.c index df3306019a7e..d81f3cc43ff1 100644 --- a/drivers/scsi/scsi.c +++ b/drivers/scsi/scsi.c @@ -377,6 +377,10 @@ scsi_alloc_host_cmd_pool(struct Scsi_Host *shost) pool->slab_flags |= SLAB_CACHE_DMA; pool->gfp_mask = __GFP_DMA; } + + if (hostt->cmd_size) + hostt->cmd_pool = pool; + return pool; } @@ -421,8 +425,10 @@ out: out_free_slab: kmem_cache_destroy(pool->cmd_slab); out_free_pool: - if (hostt->cmd_size) + if (hostt->cmd_size) { scsi_free_host_cmd_pool(pool); + hostt->cmd_pool = NULL; + } goto out; } @@ -444,8 +450,10 @@ static void scsi_put_host_cmd_pool(struct Scsi_Host *shost) if (!--pool->users) { kmem_cache_destroy(pool->cmd_slab); kmem_cache_destroy(pool->sense_slab); - if (hostt->cmd_size) + if (hostt->cmd_size) { scsi_free_host_cmd_pool(pool); + hostt->cmd_pool = NULL; + } } mutex_unlock(&host_cmd_pool_mutex); } diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c index 9c44392b748f..ce62e8798cc8 100644 --- a/drivers/scsi/scsi_lib.c +++ b/drivers/scsi/scsi_lib.c @@ -1774,7 +1774,7 @@ static void scsi_request_fn(struct request_queue *q) blk_requeue_request(q, req); atomic_dec(&sdev->device_busy); out_delay: - if (atomic_read(&sdev->device_busy) && !scsi_device_blocked(sdev)) + if (!atomic_read(&sdev->device_busy) && !scsi_device_blocked(sdev)) blk_delay_queue(q, SCSI_QUEUE_DELAY); } diff --git a/drivers/scsi/scsi_transport_iscsi.c b/drivers/scsi/scsi_transport_iscsi.c index b481e62a12cc..67d43e35693d 100644 --- a/drivers/scsi/scsi_transport_iscsi.c +++ b/drivers/scsi/scsi_transport_iscsi.c @@ -3429,7 +3429,7 @@ iscsi_get_host_stats(struct iscsi_transport *transport, struct nlmsghdr *nlh) char *buf; if (!transport->get_host_stats) - return -EINVAL; + return -ENOSYS; priv = iscsi_if_transport_lookup(transport); if (!priv) @@ -3467,6 +3467,10 @@ iscsi_get_host_stats(struct iscsi_transport *transport, struct nlmsghdr *nlh) memset(buf, 0, host_stats_size); err = transport->get_host_stats(shost, buf, host_stats_size); + if (err) { + kfree_skb(skbhost_stats); + goto exit_host_stats; + } actual_size = nlmsg_total_size(sizeof(*ev) + host_stats_size); skb_trim(skbhost_stats, NLMSG_ALIGN(actual_size)); diff --git a/drivers/scsi/scsi_transport_srp.c b/drivers/scsi/scsi_transport_srp.c index 43fea2219f83..ae45bd99baed 100644 --- a/drivers/scsi/scsi_transport_srp.c +++ b/drivers/scsi/scsi_transport_srp.c @@ -472,7 +472,8 @@ static void __srp_start_tl_fail_timers(struct srp_rport *rport) if (delay > 0) queue_delayed_work(system_long_wq, &rport->reconnect_work, 1UL * delay * HZ); - if (srp_rport_set_state(rport, SRP_RPORT_BLOCKED) == 0) { + if ((fast_io_fail_tmo >= 0 || dev_loss_tmo >= 0) && + srp_rport_set_state(rport, SRP_RPORT_BLOCKED) == 0) { pr_debug("%s new state: %d\n", dev_name(&shost->shost_gendev), rport->state); scsi_target_block(&shost->shost_gendev); diff --git a/drivers/scsi/u14-34f.c b/drivers/scsi/u14-34f.c index 4e76fe863fc4..d8dcf36aed11 100644 --- a/drivers/scsi/u14-34f.c +++ b/drivers/scsi/u14-34f.c @@ -1006,7 +1006,7 @@ static int port_detect \ sh[j]->irq, dma_name, sh[j]->sg_tablesize, sh[j]->can_queue); if (sh[j]->max_id > 8 || sh[j]->max_lun > 8) - printk("%s: wide SCSI support enabled, max_id %u, max_lun %u.\n", + printk("%s: wide SCSI support enabled, max_id %u, max_lun %llu.\n", BN(j), sh[j]->max_id, sh[j]->max_lun); for (i = 0; i <= sh[j]->max_channel; i++) @@ -1285,7 +1285,7 @@ static int u14_34f_queuecommand_lck(struct scsi_cmnd *SCpnt, void (*done)(struct cpp->cpp_index = i; SCpnt->host_scribble = (unsigned char *) &cpp->cpp_index; - if (do_trace) printk("%s: qcomm, mbox %d, target %d.%d:%llu.\n", + if (do_trace) printk("%s: qcomm, mbox %d, target %d.%d:%u.\n", BN(j), i, SCpnt->device->channel, SCpnt->device->id, (u8)SCpnt->device->lun); diff --git a/drivers/scsi/ufs/ufshcd-pci.c b/drivers/scsi/ufs/ufshcd-pci.c index c007a7a69c28..afaabe2aeac8 100644 --- a/drivers/scsi/ufs/ufshcd-pci.c +++ b/drivers/scsi/ufs/ufshcd-pci.c @@ -185,7 +185,7 @@ static const struct dev_pm_ops ufshcd_pci_pm_ops = { .runtime_idle = ufshcd_pci_runtime_idle, }; -static DEFINE_PCI_DEVICE_TABLE(ufshcd_pci_tbl) = { +static const struct pci_device_id ufshcd_pci_tbl[] = { { PCI_VENDOR_ID_SAMSUNG, 0xC00C, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, { } /* terminate list */ }; diff --git a/drivers/thermal/Kconfig b/drivers/thermal/Kconfig index f9a13867cb70..693208eb9047 100644 --- a/drivers/thermal/Kconfig +++ b/drivers/thermal/Kconfig @@ -151,7 +151,7 @@ config KIRKWOOD_THERMAL config DOVE_THERMAL tristate "Temperature sensor on Marvell Dove SoCs" - depends on ARCH_DOVE + depends on ARCH_DOVE || MACH_DOVE depends on OF help Support for the Dove thermal sensor driver in the Linux thermal @@ -243,4 +243,9 @@ depends on ARCH_EXYNOS source "drivers/thermal/samsung/Kconfig" endmenu +menu "STMicroelectronics thermal drivers" +depends on ARCH_STI && OF +source "drivers/thermal/st/Kconfig" +endmenu + endif diff --git a/drivers/thermal/Makefile b/drivers/thermal/Makefile index de0636a57a64..31e232f84b6b 100644 --- a/drivers/thermal/Makefile +++ b/drivers/thermal/Makefile @@ -32,3 +32,4 @@ obj-$(CONFIG_X86_PKG_TEMP_THERMAL) += x86_pkg_temp_thermal.o obj-$(CONFIG_INTEL_SOC_DTS_THERMAL) += intel_soc_dts_thermal.o obj-$(CONFIG_TI_SOC_THERMAL) += ti-soc-thermal/ obj-$(CONFIG_ACPI_INT3403_THERMAL) += int3403_thermal.o +obj-$(CONFIG_ST_THERMAL) += st/ diff --git a/drivers/thermal/cpu_cooling.c b/drivers/thermal/cpu_cooling.c index 84a75f89bf74..1ab0018271c5 100644 --- a/drivers/thermal/cpu_cooling.c +++ b/drivers/thermal/cpu_cooling.c @@ -305,7 +305,7 @@ static int cpufreq_apply_cooling(struct cpufreq_cooling_device *cpufreq_device, * @event: value showing cpufreq event for which this function invoked. * @data: callback-specific data * - * Callback to highjack the notification on cpufreq policy transition. + * Callback to hijack the notification on cpufreq policy transition. * Every time there is a change in policy, we will intercept and * update the cpufreq policy with thermal constraints. * diff --git a/drivers/thermal/int3403_thermal.c b/drivers/thermal/int3403_thermal.c index e93f0253f6ed..17554eeb3953 100644 --- a/drivers/thermal/int3403_thermal.c +++ b/drivers/thermal/int3403_thermal.c @@ -33,6 +33,10 @@ struct int3403_sensor { struct thermal_zone_device *tzone; unsigned long *thresholds; + unsigned long crit_temp; + int crit_trip_id; + unsigned long psv_temp; + int psv_trip_id; }; static int sys_get_curr_temp(struct thermal_zone_device *tzone, @@ -79,12 +83,18 @@ static int sys_get_trip_temp(struct thermal_zone_device *tzone, struct acpi_device *device = tzone->devdata; struct int3403_sensor *obj = acpi_driver_data(device); - /* - * get_trip_temp is a mandatory callback but - * PATx method doesn't return any value, so return - * cached value, which was last set from user space. - */ - *temp = obj->thresholds[trip]; + if (trip == obj->crit_trip_id) + *temp = obj->crit_temp; + else if (trip == obj->psv_trip_id) + *temp = obj->psv_temp; + else { + /* + * get_trip_temp is a mandatory callback but + * PATx method doesn't return any value, so return + * cached value, which was last set from user space. + */ + *temp = obj->thresholds[trip]; + } return 0; } @@ -92,8 +102,14 @@ static int sys_get_trip_temp(struct thermal_zone_device *tzone, static int sys_get_trip_type(struct thermal_zone_device *thermal, int trip, enum thermal_trip_type *type) { + struct acpi_device *device = thermal->devdata; + struct int3403_sensor *obj = acpi_driver_data(device); + /* Mandatory callback, may not mean much here */ - *type = THERMAL_TRIP_PASSIVE; + if (trip == obj->crit_trip_id) + *type = THERMAL_TRIP_CRITICAL; + else + *type = THERMAL_TRIP_PASSIVE; return 0; } @@ -155,6 +171,34 @@ static void acpi_thermal_notify(struct acpi_device *device, u32 event) } } +static int sys_get_trip_crt(struct acpi_device *device, unsigned long *temp) +{ + unsigned long long crt; + acpi_status status; + + status = acpi_evaluate_integer(device->handle, "_CRT", NULL, &crt); + if (ACPI_FAILURE(status)) + return -EIO; + + *temp = DECI_KELVIN_TO_MILLI_CELSIUS(crt, KELVIN_OFFSET); + + return 0; +} + +static int sys_get_trip_psv(struct acpi_device *device, unsigned long *temp) +{ + unsigned long long psv; + acpi_status status; + + status = acpi_evaluate_integer(device->handle, "_PSV", NULL, &psv); + if (ACPI_FAILURE(status)) + return -EIO; + + *temp = DECI_KELVIN_TO_MILLI_CELSIUS(psv, KELVIN_OFFSET); + + return 0; +} + static int acpi_int3403_add(struct acpi_device *device) { int result = 0; @@ -194,6 +238,15 @@ static int acpi_int3403_add(struct acpi_device *device) return -ENOMEM; trip_mask = BIT(trip_cnt) - 1; } + + obj->psv_trip_id = -1; + if (!sys_get_trip_psv(device, &obj->psv_temp)) + obj->psv_trip_id = trip_cnt++; + + obj->crit_trip_id = -1; + if (!sys_get_trip_crt(device, &obj->crit_temp)) + obj->crit_trip_id = trip_cnt++; + obj->tzone = thermal_zone_device_register(acpi_device_bid(device), trip_cnt, trip_mask, device, &tzone_ops, NULL, 0, 0); diff --git a/drivers/thermal/samsung/exynos_tmu.c b/drivers/thermal/samsung/exynos_tmu.c index d7ca9f49c9cb..acbff14da3a4 100644 --- a/drivers/thermal/samsung/exynos_tmu.c +++ b/drivers/thermal/samsung/exynos_tmu.c @@ -505,6 +505,10 @@ static irqreturn_t exynos_tmu_irq(int irq, void *id) static const struct of_device_id exynos_tmu_match[] = { { + .compatible = "samsung,exynos3250-tmu", + .data = (void *)EXYNOS3250_TMU_DRV_DATA, + }, + { .compatible = "samsung,exynos4210-tmu", .data = (void *)EXYNOS4210_TMU_DRV_DATA, }, @@ -677,7 +681,8 @@ static int exynos_tmu_probe(struct platform_device *pdev) goto err_clk_sec; } - if (pdata->type == SOC_ARCH_EXYNOS4210 || + if (pdata->type == SOC_ARCH_EXYNOS3250 || + pdata->type == SOC_ARCH_EXYNOS4210 || pdata->type == SOC_ARCH_EXYNOS4412 || pdata->type == SOC_ARCH_EXYNOS5250 || pdata->type == SOC_ARCH_EXYNOS5260 || @@ -759,10 +764,10 @@ static int exynos_tmu_remove(struct platform_device *pdev) { struct exynos_tmu_data *data = platform_get_drvdata(pdev); - exynos_tmu_control(pdev, false); - exynos_unregister_thermal(data->reg_conf); + exynos_tmu_control(pdev, false); + clk_unprepare(data->clk); if (!IS_ERR(data->clk_sec)) clk_unprepare(data->clk_sec); diff --git a/drivers/thermal/samsung/exynos_tmu.h b/drivers/thermal/samsung/exynos_tmu.h index edd08cf76729..1b4a6444ea61 100644 --- a/drivers/thermal/samsung/exynos_tmu.h +++ b/drivers/thermal/samsung/exynos_tmu.h @@ -40,7 +40,8 @@ enum calibration_mode { }; enum soc_type { - SOC_ARCH_EXYNOS4210 = 1, + SOC_ARCH_EXYNOS3250 = 1, + SOC_ARCH_EXYNOS4210, SOC_ARCH_EXYNOS4412, SOC_ARCH_EXYNOS5250, SOC_ARCH_EXYNOS5260, diff --git a/drivers/thermal/samsung/exynos_tmu_data.c b/drivers/thermal/samsung/exynos_tmu_data.c index c1d81dcd7819..aa8e0dee2055 100644 --- a/drivers/thermal/samsung/exynos_tmu_data.c +++ b/drivers/thermal/samsung/exynos_tmu_data.c @@ -90,6 +90,95 @@ struct exynos_tmu_init_data const exynos4210_default_tmu_data = { }; #endif +#if defined(CONFIG_SOC_EXYNOS3250) +static const struct exynos_tmu_registers exynos3250_tmu_registers = { + .triminfo_data = EXYNOS_TMU_REG_TRIMINFO, + .triminfo_25_shift = EXYNOS_TRIMINFO_25_SHIFT, + .triminfo_85_shift = EXYNOS_TRIMINFO_85_SHIFT, + .tmu_ctrl = EXYNOS_TMU_REG_CONTROL, + .test_mux_addr_shift = EXYNOS4412_MUX_ADDR_SHIFT, + .buf_vref_sel_shift = EXYNOS_TMU_REF_VOLTAGE_SHIFT, + .buf_vref_sel_mask = EXYNOS_TMU_REF_VOLTAGE_MASK, + .therm_trip_mode_shift = EXYNOS_TMU_TRIP_MODE_SHIFT, + .therm_trip_mode_mask = EXYNOS_TMU_TRIP_MODE_MASK, + .therm_trip_en_shift = EXYNOS_TMU_THERM_TRIP_EN_SHIFT, + .buf_slope_sel_shift = EXYNOS_TMU_BUF_SLOPE_SEL_SHIFT, + .buf_slope_sel_mask = EXYNOS_TMU_BUF_SLOPE_SEL_MASK, + .core_en_shift = EXYNOS_TMU_CORE_EN_SHIFT, + .tmu_status = EXYNOS_TMU_REG_STATUS, + .tmu_cur_temp = EXYNOS_TMU_REG_CURRENT_TEMP, + .threshold_th0 = EXYNOS_THD_TEMP_RISE, + .threshold_th1 = EXYNOS_THD_TEMP_FALL, + .tmu_inten = EXYNOS_TMU_REG_INTEN, + .inten_rise0_shift = EXYNOS_TMU_INTEN_RISE0_SHIFT, + .inten_rise1_shift = EXYNOS_TMU_INTEN_RISE1_SHIFT, + .inten_rise2_shift = EXYNOS_TMU_INTEN_RISE2_SHIFT, + .inten_fall0_shift = EXYNOS_TMU_INTEN_FALL0_SHIFT, + .tmu_intstat = EXYNOS_TMU_REG_INTSTAT, + .tmu_intclear = EXYNOS_TMU_REG_INTCLEAR, + .intclr_fall_shift = EXYNOS_TMU_CLEAR_FALL_INT_SHIFT, + .intclr_rise_shift = EXYNOS_TMU_RISE_INT_SHIFT, + .intclr_rise_mask = EXYNOS_TMU_RISE_INT_MASK, + .intclr_fall_mask = EXYNOS_TMU_FALL_INT_MASK, + .emul_con = EXYNOS_EMUL_CON, + .emul_temp_shift = EXYNOS_EMUL_DATA_SHIFT, + .emul_time_shift = EXYNOS_EMUL_TIME_SHIFT, + .emul_time_mask = EXYNOS_EMUL_TIME_MASK, +}; + +#define EXYNOS3250_TMU_DATA \ + .threshold_falling = 10, \ + .trigger_levels[0] = 70, \ + .trigger_levels[1] = 95, \ + .trigger_levels[2] = 110, \ + .trigger_levels[3] = 120, \ + .trigger_enable[0] = true, \ + .trigger_enable[1] = true, \ + .trigger_enable[2] = true, \ + .trigger_enable[3] = false, \ + .trigger_type[0] = THROTTLE_ACTIVE, \ + .trigger_type[1] = THROTTLE_ACTIVE, \ + .trigger_type[2] = SW_TRIP, \ + .trigger_type[3] = HW_TRIP, \ + .max_trigger_level = 4, \ + .gain = 8, \ + .reference_voltage = 16, \ + .noise_cancel_mode = 4, \ + .cal_type = TYPE_TWO_POINT_TRIMMING, \ + .efuse_value = 55, \ + .min_efuse_value = 40, \ + .max_efuse_value = 100, \ + .first_point_trim = 25, \ + .second_point_trim = 85, \ + .default_temp_offset = 50, \ + .freq_tab[0] = { \ + .freq_clip_max = 800 * 1000, \ + .temp_level = 70, \ + }, \ + .freq_tab[1] = { \ + .freq_clip_max = 400 * 1000, \ + .temp_level = 95, \ + }, \ + .freq_tab_count = 2, \ + .registers = &exynos3250_tmu_registers, \ + .features = (TMU_SUPPORT_EMULATION | \ + TMU_SUPPORT_FALLING_TRIP | TMU_SUPPORT_READY_STATUS | \ + TMU_SUPPORT_EMUL_TIME) +#endif + +#if defined(CONFIG_SOC_EXYNOS3250) +struct exynos_tmu_init_data const exynos3250_default_tmu_data = { + .tmu_data = { + { + EXYNOS3250_TMU_DATA, + .type = SOC_ARCH_EXYNOS3250, + .test_mux = EXYNOS4412_MUX_ADDR_VALUE, + }, + }, + .tmu_count = 1, +}; +#endif + #if defined(CONFIG_SOC_EXYNOS4412) || defined(CONFIG_SOC_EXYNOS5250) static const struct exynos_tmu_registers exynos4412_tmu_registers = { .triminfo_data = EXYNOS_TMU_REG_TRIMINFO, diff --git a/drivers/thermal/samsung/exynos_tmu_data.h b/drivers/thermal/samsung/exynos_tmu_data.h index d268981b65e5..f0979e598491 100644 --- a/drivers/thermal/samsung/exynos_tmu_data.h +++ b/drivers/thermal/samsung/exynos_tmu_data.h @@ -148,6 +148,13 @@ #define EXYNOS5440_TMU_TH_RISE4_SHIFT 24 #define EXYNOS5440_EFUSE_SWAP_OFFSET 8 +#if defined(CONFIG_SOC_EXYNOS3250) +extern struct exynos_tmu_init_data const exynos3250_default_tmu_data; +#define EXYNOS3250_TMU_DRV_DATA (&exynos3250_default_tmu_data) +#else +#define EXYNOS3250_TMU_DRV_DATA (NULL) +#endif + #if defined(CONFIG_CPU_EXYNOS4210) extern struct exynos_tmu_init_data const exynos4210_default_tmu_data; #define EXYNOS4210_TMU_DRV_DATA (&exynos4210_default_tmu_data) diff --git a/drivers/thermal/st/Kconfig b/drivers/thermal/st/Kconfig new file mode 100644 index 000000000000..490fdbe22eea --- /dev/null +++ b/drivers/thermal/st/Kconfig @@ -0,0 +1,12 @@ +config ST_THERMAL + tristate "Thermal sensors on STMicroelectronics STi series of SoCs" + help + Support for thermal sensors on STMicroelectronics STi series of SoCs. + +config ST_THERMAL_SYSCFG + select ST_THERMAL + tristate "STi series syscfg register access based thermal sensors" + +config ST_THERMAL_MEMMAP + select ST_THERMAL + tristate "STi series memory mapped access based thermal sensors" diff --git a/drivers/thermal/st/Makefile b/drivers/thermal/st/Makefile new file mode 100644 index 000000000000..b38878977bd8 --- /dev/null +++ b/drivers/thermal/st/Makefile @@ -0,0 +1,3 @@ +obj-$(CONFIG_ST_THERMAL) := st_thermal.o +obj-$(CONFIG_ST_THERMAL_SYSCFG) += st_thermal_syscfg.o +obj-$(CONFIG_ST_THERMAL_MEMMAP) += st_thermal_memmap.o diff --git a/drivers/thermal/st/st_thermal.c b/drivers/thermal/st/st_thermal.c new file mode 100644 index 000000000000..90163b384660 --- /dev/null +++ b/drivers/thermal/st/st_thermal.c @@ -0,0 +1,313 @@ +/* + * ST Thermal Sensor Driver core routines + * Author: Ajit Pal Singh <ajitpal.singh@st.com> + * + * Copyright (C) 2003-2014 STMicroelectronics (R&D) Limited + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + */ + +#include <linux/clk.h> +#include <linux/module.h> +#include <linux/of.h> +#include <linux/of_device.h> + +#include "st_thermal.h" + +/* The Thermal Framework expects millidegrees */ +#define mcelsius(temp) ((temp) * 1000) + +/* + * Function to allocate regfields which are common + * between syscfg and memory mapped based sensors + */ +int st_thermal_alloc_regfields(struct st_thermal_sensor *sensor) +{ + struct device *dev = sensor->dev; + struct regmap *regmap = sensor->regmap; + const struct reg_field *reg_fields = sensor->cdata->reg_fields; + + sensor->dcorrect = devm_regmap_field_alloc(dev, regmap, + reg_fields[DCORRECT]); + + sensor->overflow = devm_regmap_field_alloc(dev, regmap, + reg_fields[OVERFLOW]); + + sensor->temp_data = devm_regmap_field_alloc(dev, regmap, + reg_fields[DATA]); + + if (IS_ERR(sensor->dcorrect) || + IS_ERR(sensor->overflow) || + IS_ERR(sensor->temp_data)) { + dev_err(dev, "failed to allocate common regfields\n"); + return -EINVAL; + } + + return sensor->ops->alloc_regfields(sensor); +} + +static int st_thermal_sensor_on(struct st_thermal_sensor *sensor) +{ + int ret; + struct device *dev = sensor->dev; + + ret = clk_prepare_enable(sensor->clk); + if (ret) { + dev_err(dev, "failed to enable clk\n"); + return ret; + } + + ret = sensor->ops->power_ctrl(sensor, POWER_ON); + if (ret) { + dev_err(dev, "failed to power on sensor\n"); + clk_disable_unprepare(sensor->clk); + } + + return ret; +} + +static int st_thermal_sensor_off(struct st_thermal_sensor *sensor) +{ + int ret; + + ret = sensor->ops->power_ctrl(sensor, POWER_OFF); + if (ret) + return ret; + + clk_disable_unprepare(sensor->clk); + + return 0; +} + +static int st_thermal_calibration(struct st_thermal_sensor *sensor) +{ + int ret; + unsigned int val; + struct device *dev = sensor->dev; + + /* Check if sensor calibration data is already written */ + ret = regmap_field_read(sensor->dcorrect, &val); + if (ret) { + dev_err(dev, "failed to read calibration data\n"); + return ret; + } + + if (!val) { + /* + * Sensor calibration value not set by bootloader, + * default calibration data to be used + */ + ret = regmap_field_write(sensor->dcorrect, + sensor->cdata->calibration_val); + if (ret) + dev_err(dev, "failed to set calibration data\n"); + } + + return ret; +} + +/* Callback to get temperature from HW*/ +static int st_thermal_get_temp(struct thermal_zone_device *th, + unsigned long *temperature) +{ + struct st_thermal_sensor *sensor = th->devdata; + struct device *dev = sensor->dev; + unsigned int temp; + unsigned int overflow; + int ret; + + ret = regmap_field_read(sensor->overflow, &overflow); + if (ret) + return ret; + if (overflow) + return -EIO; + + ret = regmap_field_read(sensor->temp_data, &temp); + if (ret) + return ret; + + temp += sensor->cdata->temp_adjust_val; + temp = mcelsius(temp); + + dev_dbg(dev, "temperature: %d\n", temp); + + *temperature = temp; + + return 0; +} + +static int st_thermal_get_trip_type(struct thermal_zone_device *th, + int trip, enum thermal_trip_type *type) +{ + struct st_thermal_sensor *sensor = th->devdata; + struct device *dev = sensor->dev; + + switch (trip) { + case 0: + *type = THERMAL_TRIP_CRITICAL; + break; + default: + dev_err(dev, "invalid trip point\n"); + return -EINVAL; + } + + return 0; +} + +static int st_thermal_get_trip_temp(struct thermal_zone_device *th, + int trip, unsigned long *temp) +{ + struct st_thermal_sensor *sensor = th->devdata; + struct device *dev = sensor->dev; + + switch (trip) { + case 0: + *temp = mcelsius(sensor->cdata->crit_temp); + break; + default: + dev_err(dev, "Invalid trip point\n"); + return -EINVAL; + } + + return 0; +} + +static struct thermal_zone_device_ops st_tz_ops = { + .get_temp = st_thermal_get_temp, + .get_trip_type = st_thermal_get_trip_type, + .get_trip_temp = st_thermal_get_trip_temp, +}; + +int st_thermal_register(struct platform_device *pdev, + const struct of_device_id *st_thermal_of_match) +{ + struct st_thermal_sensor *sensor; + struct device *dev = &pdev->dev; + struct device_node *np = dev->of_node; + const struct of_device_id *match; + + int polling_delay; + int ret; + + if (!np) { + dev_err(dev, "device tree node not found\n"); + return -EINVAL; + } + + sensor = devm_kzalloc(dev, sizeof(*sensor), GFP_KERNEL); + if (!sensor) + return -ENOMEM; + + sensor->dev = dev; + + match = of_match_device(st_thermal_of_match, dev); + if (!(match && match->data)) + return -EINVAL; + + sensor->cdata = match->data; + if (!sensor->cdata->ops) + return -EINVAL; + + sensor->ops = sensor->cdata->ops; + + ret = sensor->ops->regmap_init(sensor); + if (ret) + return ret; + + ret = st_thermal_alloc_regfields(sensor); + if (ret) + return ret; + + sensor->clk = devm_clk_get(dev, "thermal"); + if (IS_ERR(sensor->clk)) { + dev_err(dev, "failed to fetch clock\n"); + return PTR_ERR(sensor->clk); + } + + if (sensor->ops->register_enable_irq) { + ret = sensor->ops->register_enable_irq(sensor); + if (ret) + return ret; + } + + ret = st_thermal_sensor_on(sensor); + if (ret) + return ret; + + ret = st_thermal_calibration(sensor); + if (ret) + goto sensor_off; + + polling_delay = sensor->ops->register_enable_irq ? 0 : 1000; + + sensor->thermal_dev = + thermal_zone_device_register(dev_name(dev), 1, 0, sensor, + &st_tz_ops, NULL, 0, polling_delay); + if (IS_ERR(sensor->thermal_dev)) { + dev_err(dev, "failed to register thermal zone device\n"); + ret = PTR_ERR(sensor->thermal_dev); + goto sensor_off; + } + + platform_set_drvdata(pdev, sensor); + + return 0; + +sensor_off: + st_thermal_sensor_off(sensor); + + return ret; +} +EXPORT_SYMBOL_GPL(st_thermal_register); + +int st_thermal_unregister(struct platform_device *pdev) +{ + struct st_thermal_sensor *sensor = platform_get_drvdata(pdev); + + st_thermal_sensor_off(sensor); + thermal_zone_device_unregister(sensor->thermal_dev); + + return 0; +} +EXPORT_SYMBOL_GPL(st_thermal_unregister); + +static int st_thermal_suspend(struct device *dev) +{ + struct platform_device *pdev = to_platform_device(dev); + struct st_thermal_sensor *sensor = platform_get_drvdata(pdev); + + return st_thermal_sensor_off(sensor); +} + +static int st_thermal_resume(struct device *dev) +{ + int ret; + struct platform_device *pdev = to_platform_device(dev); + struct st_thermal_sensor *sensor = platform_get_drvdata(pdev); + + ret = st_thermal_sensor_on(sensor); + if (ret) + return ret; + + ret = st_thermal_calibration(sensor); + if (ret) + return ret; + + if (sensor->ops->enable_irq) { + ret = sensor->ops->enable_irq(sensor); + if (ret) + return ret; + } + + return 0; +} +SIMPLE_DEV_PM_OPS(st_thermal_pm_ops, st_thermal_suspend, st_thermal_resume); +EXPORT_SYMBOL_GPL(st_thermal_pm_ops); + +MODULE_AUTHOR("STMicroelectronics (R&D) Limited <ajitpal.singh@st.com>"); +MODULE_DESCRIPTION("STMicroelectronics STi SoC Thermal Sensor Driver"); +MODULE_LICENSE("GPL v2"); diff --git a/drivers/thermal/st/st_thermal.h b/drivers/thermal/st/st_thermal.h new file mode 100644 index 000000000000..fecafbe10fa7 --- /dev/null +++ b/drivers/thermal/st/st_thermal.h @@ -0,0 +1,104 @@ +/* + * ST Thermal Sensor Driver for STi series of SoCs + * Author: Ajit Pal Singh <ajitpal.singh@st.com> + * + * Copyright (C) 2003-2014 STMicroelectronics (R&D) Limited + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + */ + +#ifndef __STI_THERMAL_SYSCFG_H +#define __STI_THERMAL_SYSCFG_H + +#include <linux/interrupt.h> +#include <linux/platform_device.h> +#include <linux/regmap.h> +#include <linux/thermal.h> + +enum st_thermal_regfield_ids { + INT_THRESH_HI = 0, /* Top two regfield IDs are mutually exclusive */ + TEMP_PWR = 0, + DCORRECT, + OVERFLOW, + DATA, + INT_ENABLE, + + MAX_REGFIELDS +}; + +/* Thermal sensor power states */ +enum st_thermal_power_state { + POWER_OFF = 0, + POWER_ON +}; + +struct st_thermal_sensor; + +/** + * Description of private thermal sensor ops. + * + * @power_ctrl: Function for powering on/off a sensor. Clock to the + * sensor is also controlled from this function. + * @alloc_regfields: Allocate regmap register fields, specific to a sensor. + * @do_memmap_regmap: Memory map the thermal register space and init regmap + * instance or find regmap instance. + * @register_irq: Register an interrupt handler for a sensor. + */ +struct st_thermal_sensor_ops { + int (*power_ctrl)(struct st_thermal_sensor *, enum st_thermal_power_state); + int (*alloc_regfields)(struct st_thermal_sensor *); + int (*regmap_init)(struct st_thermal_sensor *); + int (*register_enable_irq)(struct st_thermal_sensor *); + int (*enable_irq)(struct st_thermal_sensor *); +}; + +/** + * Description of thermal driver compatible data. + * + * @reg_fields: Pointer to the regfields array for a sensor. + * @sys_compat: Pointer to the syscon node compatible string. + * @ops: Pointer to private thermal ops for a sensor. + * @calibration_val: Default calibration value to be written to the DCORRECT + * register field for a sensor. + * @temp_adjust_val: Value to be added/subtracted from the data read from + * the sensor. If value needs to be added please provide a + * positive value and if it is to be subtracted please + * provide a negative value. + * @crit_temp: The temperature beyond which the SoC should be shutdown + * to prevent damage. + */ +struct st_thermal_compat_data { + char *sys_compat; + const struct reg_field *reg_fields; + const struct st_thermal_sensor_ops *ops; + unsigned int calibration_val; + int temp_adjust_val; + int crit_temp; +}; + +struct st_thermal_sensor { + struct device *dev; + struct thermal_zone_device *thermal_dev; + const struct st_thermal_sensor_ops *ops; + const struct st_thermal_compat_data *cdata; + struct clk *clk; + struct regmap *regmap; + struct regmap_field *pwr; + struct regmap_field *dcorrect; + struct regmap_field *overflow; + struct regmap_field *temp_data; + struct regmap_field *int_thresh_hi; + struct regmap_field *int_enable; + int irq; + void __iomem *mmio_base; +}; + +extern int st_thermal_register(struct platform_device *pdev, + const struct of_device_id *st_thermal_of_match); +extern int st_thermal_unregister(struct platform_device *pdev); +extern const struct dev_pm_ops st_thermal_pm_ops; + +#endif /* __STI_RESET_SYSCFG_H */ diff --git a/drivers/thermal/st/st_thermal_memmap.c b/drivers/thermal/st/st_thermal_memmap.c new file mode 100644 index 000000000000..39896ce2ee00 --- /dev/null +++ b/drivers/thermal/st/st_thermal_memmap.c @@ -0,0 +1,209 @@ +/* + * ST Thermal Sensor Driver for memory mapped sensors. + * Author: Ajit Pal Singh <ajitpal.singh@st.com> + * + * Copyright (C) 2003-2014 STMicroelectronics (R&D) Limited + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + */ + +#include <linux/of.h> +#include <linux/module.h> + +#include "st_thermal.h" + +#define STIH416_MPE_CONF 0x0 +#define STIH416_MPE_STATUS 0x4 +#define STIH416_MPE_INT_THRESH 0x8 +#define STIH416_MPE_INT_EN 0xC + +/* Power control bits for the memory mapped thermal sensor */ +#define THERMAL_PDN BIT(4) +#define THERMAL_SRSTN BIT(10) + +static const struct reg_field st_mmap_thermal_regfields[MAX_REGFIELDS] = { + /* + * According to the STIH416 MPE temp sensor data sheet - + * the PDN (Power Down Bit) and SRSTN (Soft Reset Bit) need to be + * written simultaneously for powering on and off the temperature + * sensor. regmap_update_bits() will be used to update the register. + */ + [INT_THRESH_HI] = REG_FIELD(STIH416_MPE_INT_THRESH, 0, 7), + [DCORRECT] = REG_FIELD(STIH416_MPE_CONF, 5, 9), + [OVERFLOW] = REG_FIELD(STIH416_MPE_STATUS, 9, 9), + [DATA] = REG_FIELD(STIH416_MPE_STATUS, 11, 18), + [INT_ENABLE] = REG_FIELD(STIH416_MPE_INT_EN, 0, 0), +}; + +static irqreturn_t st_mmap_thermal_trip_handler(int irq, void *sdata) +{ + struct st_thermal_sensor *sensor = sdata; + + thermal_zone_device_update(sensor->thermal_dev); + + return IRQ_HANDLED; +} + +/* Private ops for the Memory Mapped based thermal sensors */ +static int st_mmap_power_ctrl(struct st_thermal_sensor *sensor, + enum st_thermal_power_state power_state) +{ + const unsigned int mask = (THERMAL_PDN | THERMAL_SRSTN); + const unsigned int val = power_state ? mask : 0; + + return regmap_update_bits(sensor->regmap, STIH416_MPE_CONF, mask, val); +} + +static int st_mmap_alloc_regfields(struct st_thermal_sensor *sensor) +{ + struct device *dev = sensor->dev; + struct regmap *regmap = sensor->regmap; + const struct reg_field *reg_fields = sensor->cdata->reg_fields; + + sensor->int_thresh_hi = devm_regmap_field_alloc(dev, regmap, + reg_fields[INT_THRESH_HI]); + sensor->int_enable = devm_regmap_field_alloc(dev, regmap, + reg_fields[INT_ENABLE]); + + if (IS_ERR(sensor->int_thresh_hi) || IS_ERR(sensor->int_enable)) { + dev_err(dev, "failed to alloc mmap regfields\n"); + return -EINVAL; + } + + return 0; +} + +static int st_mmap_enable_irq(struct st_thermal_sensor *sensor) +{ + int ret; + + /* Set upper critical threshold */ + ret = regmap_field_write(sensor->int_thresh_hi, + sensor->cdata->crit_temp - + sensor->cdata->temp_adjust_val); + if (ret) + return ret; + + return regmap_field_write(sensor->int_enable, 1); +} + +static int st_mmap_register_enable_irq(struct st_thermal_sensor *sensor) +{ + struct device *dev = sensor->dev; + struct platform_device *pdev = to_platform_device(dev); + int ret; + + sensor->irq = platform_get_irq(pdev, 0); + if (sensor->irq < 0) { + dev_err(dev, "failed to register IRQ\n"); + return sensor->irq; + } + + ret = devm_request_threaded_irq(dev, sensor->irq, + NULL, st_mmap_thermal_trip_handler, + IRQF_TRIGGER_RISING | IRQF_ONESHOT, + dev->driver->name, sensor); + if (ret) { + dev_err(dev, "failed to register IRQ %d\n", sensor->irq); + return ret; + } + + return st_mmap_enable_irq(sensor); +} + +static const struct regmap_config st_416mpe_regmap_config = { + .reg_bits = 32, + .val_bits = 32, + .reg_stride = 4, +}; + +static int st_mmap_regmap_init(struct st_thermal_sensor *sensor) +{ + struct device *dev = sensor->dev; + struct platform_device *pdev = to_platform_device(dev); + struct resource *res; + + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + if (!res) { + dev_err(dev, "no memory resources defined\n"); + return -ENODEV; + } + + sensor->mmio_base = devm_ioremap_resource(dev, res); + if (IS_ERR(sensor->mmio_base)) { + dev_err(dev, "failed to remap IO\n"); + return PTR_ERR(sensor->mmio_base); + } + + sensor->regmap = devm_regmap_init_mmio(dev, sensor->mmio_base, + &st_416mpe_regmap_config); + if (IS_ERR(sensor->regmap)) { + dev_err(dev, "failed to initialise regmap\n"); + return PTR_ERR(sensor->regmap); + } + + return 0; +} + +static const struct st_thermal_sensor_ops st_mmap_sensor_ops = { + .power_ctrl = st_mmap_power_ctrl, + .alloc_regfields = st_mmap_alloc_regfields, + .regmap_init = st_mmap_regmap_init, + .register_enable_irq = st_mmap_register_enable_irq, + .enable_irq = st_mmap_enable_irq, +}; + +/* Compatible device data stih416 mpe thermal sensor */ +const struct st_thermal_compat_data st_416mpe_cdata = { + .reg_fields = st_mmap_thermal_regfields, + .ops = &st_mmap_sensor_ops, + .calibration_val = 14, + .temp_adjust_val = -95, + .crit_temp = 120, +}; + +/* Compatible device data stih407 thermal sensor */ +const struct st_thermal_compat_data st_407_cdata = { + .reg_fields = st_mmap_thermal_regfields, + .ops = &st_mmap_sensor_ops, + .calibration_val = 16, + .temp_adjust_val = -95, + .crit_temp = 120, +}; + +static struct of_device_id st_mmap_thermal_of_match[] = { + { .compatible = "st,stih416-mpe-thermal", .data = &st_416mpe_cdata }, + { .compatible = "st,stih407-thermal", .data = &st_407_cdata }, + { /* sentinel */ } +}; +MODULE_DEVICE_TABLE(of, st_mmap_thermal_of_match); + +int st_mmap_probe(struct platform_device *pdev) +{ + return st_thermal_register(pdev, st_mmap_thermal_of_match); +} + +int st_mmap_remove(struct platform_device *pdev) +{ + return st_thermal_unregister(pdev); +} + +static struct platform_driver st_mmap_thermal_driver = { + .driver = { + .name = "st_thermal_mmap", + .owner = THIS_MODULE, + .pm = &st_thermal_pm_ops, + .of_match_table = st_mmap_thermal_of_match, + }, + .probe = st_mmap_probe, + .remove = st_mmap_remove, +}; + +module_platform_driver(st_mmap_thermal_driver); + +MODULE_AUTHOR("STMicroelectronics (R&D) Limited <ajitpal.singh@st.com>"); +MODULE_DESCRIPTION("STMicroelectronics STi SoC Thermal Sensor Driver"); +MODULE_LICENSE("GPL v2"); diff --git a/drivers/thermal/st/st_thermal_syscfg.c b/drivers/thermal/st/st_thermal_syscfg.c new file mode 100644 index 000000000000..888b58e64090 --- /dev/null +++ b/drivers/thermal/st/st_thermal_syscfg.c @@ -0,0 +1,179 @@ +/* + * ST Thermal Sensor Driver for syscfg based sensors. + * Author: Ajit Pal Singh <ajitpal.singh@st.com> + * + * Copyright (C) 2003-2014 STMicroelectronics (R&D) Limited + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + */ + +#include <linux/of.h> +#include <linux/module.h> +#include <linux/mfd/syscon.h> + +#include "st_thermal.h" + +/* STiH415 */ +#define STIH415_SYSCFG_FRONT(num) ((num - 100) * 4) +#define STIH415_SAS_THSENS_CONF STIH415_SYSCFG_FRONT(178) +#define STIH415_SAS_THSENS_STATUS STIH415_SYSCFG_FRONT(198) +#define STIH415_SYSCFG_MPE(num) ((num - 600) * 4) +#define STIH415_MPE_THSENS_CONF STIH415_SYSCFG_MPE(607) +#define STIH415_MPE_THSENS_STATUS STIH415_SYSCFG_MPE(667) + +/* STiH416 */ +#define STIH416_SYSCFG_FRONT(num) ((num - 1000) * 4) +#define STIH416_SAS_THSENS_CONF STIH416_SYSCFG_FRONT(1552) +#define STIH416_SAS_THSENS_STATUS1 STIH416_SYSCFG_FRONT(1554) +#define STIH416_SAS_THSENS_STATUS2 STIH416_SYSCFG_FRONT(1594) + +/* STiD127 */ +#define STID127_SYSCFG_CPU(num) ((num - 700) * 4) +#define STID127_THSENS_CONF STID127_SYSCFG_CPU(743) +#define STID127_THSENS_STATUS STID127_SYSCFG_CPU(767) + +static const struct reg_field st_415sas_regfields[MAX_REGFIELDS] = { + [TEMP_PWR] = REG_FIELD(STIH415_SAS_THSENS_CONF, 9, 9), + [DCORRECT] = REG_FIELD(STIH415_SAS_THSENS_CONF, 4, 8), + [OVERFLOW] = REG_FIELD(STIH415_SAS_THSENS_STATUS, 8, 8), + [DATA] = REG_FIELD(STIH415_SAS_THSENS_STATUS, 10, 16), +}; + +static const struct reg_field st_415mpe_regfields[MAX_REGFIELDS] = { + [TEMP_PWR] = REG_FIELD(STIH415_MPE_THSENS_CONF, 8, 8), + [DCORRECT] = REG_FIELD(STIH415_MPE_THSENS_CONF, 3, 7), + [OVERFLOW] = REG_FIELD(STIH415_MPE_THSENS_STATUS, 9, 9), + [DATA] = REG_FIELD(STIH415_MPE_THSENS_STATUS, 11, 18), +}; + +static const struct reg_field st_416sas_regfields[MAX_REGFIELDS] = { + [TEMP_PWR] = REG_FIELD(STIH416_SAS_THSENS_CONF, 9, 9), + [DCORRECT] = REG_FIELD(STIH416_SAS_THSENS_CONF, 4, 8), + [OVERFLOW] = REG_FIELD(STIH416_SAS_THSENS_STATUS1, 8, 8), + [DATA] = REG_FIELD(STIH416_SAS_THSENS_STATUS2, 10, 16), +}; + +static const struct reg_field st_127_regfields[MAX_REGFIELDS] = { + [TEMP_PWR] = REG_FIELD(STID127_THSENS_CONF, 7, 7), + [DCORRECT] = REG_FIELD(STID127_THSENS_CONF, 2, 6), + [OVERFLOW] = REG_FIELD(STID127_THSENS_STATUS, 9, 9), + [DATA] = REG_FIELD(STID127_THSENS_STATUS, 11, 18), +}; + +/* Private OPs for System Configuration Register based thermal sensors */ +static int st_syscfg_power_ctrl(struct st_thermal_sensor *sensor, + enum st_thermal_power_state power_state) +{ + return regmap_field_write(sensor->pwr, power_state); +} + +static int st_syscfg_alloc_regfields(struct st_thermal_sensor *sensor) +{ + struct device *dev = sensor->dev; + + sensor->pwr = devm_regmap_field_alloc(dev, sensor->regmap, + sensor->cdata->reg_fields[TEMP_PWR]); + + if (IS_ERR(sensor->pwr)) { + dev_err(dev, "failed to alloc syscfg regfields\n"); + return PTR_ERR(sensor->pwr); + } + + return 0; +} + +static int st_syscfg_regmap_init(struct st_thermal_sensor *sensor) +{ + sensor->regmap = + syscon_regmap_lookup_by_compatible(sensor->cdata->sys_compat); + if (IS_ERR(sensor->regmap)) { + dev_err(sensor->dev, "failed to find syscfg regmap\n"); + return PTR_ERR(sensor->regmap); + } + + return 0; +} + +static const struct st_thermal_sensor_ops st_syscfg_sensor_ops = { + .power_ctrl = st_syscfg_power_ctrl, + .alloc_regfields = st_syscfg_alloc_regfields, + .regmap_init = st_syscfg_regmap_init, +}; + +/* Compatible device data for stih415 sas thermal sensor */ +const struct st_thermal_compat_data st_415sas_cdata = { + .sys_compat = "st,stih415-front-syscfg", + .reg_fields = st_415sas_regfields, + .ops = &st_syscfg_sensor_ops, + .calibration_val = 16, + .temp_adjust_val = 20, + .crit_temp = 120, +}; + +/* Compatible device data for stih415 mpe thermal sensor */ +const struct st_thermal_compat_data st_415mpe_cdata = { + .sys_compat = "st,stih415-system-syscfg", + .reg_fields = st_415mpe_regfields, + .ops = &st_syscfg_sensor_ops, + .calibration_val = 16, + .temp_adjust_val = -103, + .crit_temp = 120, +}; + +/* Compatible device data for stih416 sas thermal sensor */ +const struct st_thermal_compat_data st_416sas_cdata = { + .sys_compat = "st,stih416-front-syscfg", + .reg_fields = st_416sas_regfields, + .ops = &st_syscfg_sensor_ops, + .calibration_val = 16, + .temp_adjust_val = 20, + .crit_temp = 120, +}; + +/* Compatible device data for stid127 thermal sensor */ +const struct st_thermal_compat_data st_127_cdata = { + .sys_compat = "st,stid127-cpu-syscfg", + .reg_fields = st_127_regfields, + .ops = &st_syscfg_sensor_ops, + .calibration_val = 8, + .temp_adjust_val = -103, + .crit_temp = 120, +}; + +static struct of_device_id st_syscfg_thermal_of_match[] = { + { .compatible = "st,stih415-sas-thermal", .data = &st_415sas_cdata }, + { .compatible = "st,stih415-mpe-thermal", .data = &st_415mpe_cdata }, + { .compatible = "st,stih416-sas-thermal", .data = &st_416sas_cdata }, + { .compatible = "st,stid127-thermal", .data = &st_127_cdata }, + { /* sentinel */ } +}; +MODULE_DEVICE_TABLE(of, st_syscfg_thermal_of_match); + +int st_syscfg_probe(struct platform_device *pdev) +{ + return st_thermal_register(pdev, st_syscfg_thermal_of_match); +} + +int st_syscfg_remove(struct platform_device *pdev) +{ + return st_thermal_unregister(pdev); +} + +static struct platform_driver st_syscfg_thermal_driver = { + .driver = { + .name = "st_syscfg_thermal", + .owner = THIS_MODULE, + .pm = &st_thermal_pm_ops, + .of_match_table = st_syscfg_thermal_of_match, + }, + .probe = st_syscfg_probe, + .remove = st_syscfg_remove, +}; +module_platform_driver(st_syscfg_thermal_driver); + +MODULE_AUTHOR("STMicroelectronics (R&D) Limited <ajitpal.singh@st.com>"); +MODULE_DESCRIPTION("STMicroelectronics STi SoC Thermal Sensor Driver"); +MODULE_LICENSE("GPL v2"); diff --git a/drivers/tty/ehv_bytechan.c b/drivers/tty/ehv_bytechan.c index 0419b69e270f..4f485e88f60c 100644 --- a/drivers/tty/ehv_bytechan.c +++ b/drivers/tty/ehv_bytechan.c @@ -108,55 +108,23 @@ static void disable_tx_interrupt(struct ehv_bc_data *bc) * * The byte channel to be used for the console is specified via a "stdout" * property in the /chosen node. - * - * For compatible with legacy device trees, we also look for a "stdout" alias. */ static int find_console_handle(void) { - struct device_node *np, *np2; + struct device_node *np = of_stdout; const char *sprop = NULL; const uint32_t *iprop; - np = of_find_node_by_path("/chosen"); - if (np) - sprop = of_get_property(np, "stdout-path", NULL); - - if (!np || !sprop) { - of_node_put(np); - np = of_find_node_by_name(NULL, "aliases"); - if (np) - sprop = of_get_property(np, "stdout", NULL); - } - - if (!sprop) { - of_node_put(np); - return 0; - } - /* We don't care what the aliased node is actually called. We only * care if it's compatible with "epapr,hv-byte-channel", because that - * indicates that it's a byte channel node. We use a temporary - * variable, 'np2', because we can't release 'np' until we're done with - * 'sprop'. + * indicates that it's a byte channel node. */ - np2 = of_find_node_by_path(sprop); - of_node_put(np); - np = np2; - if (!np) { - pr_warning("ehv-bc: stdout node '%s' does not exist\n", sprop); - return 0; - } - - /* Is it a byte channel? */ - if (!of_device_is_compatible(np, "epapr,hv-byte-channel")) { - of_node_put(np); + if (!np || !of_device_is_compatible(np, "epapr,hv-byte-channel")) return 0; - } stdout_irq = irq_of_parse_and_map(np, 0); if (stdout_irq == NO_IRQ) { - pr_err("ehv-bc: no 'interrupts' property in %s node\n", sprop); - of_node_put(np); + pr_err("ehv-bc: no 'interrupts' property in %s node\n", np->full_name); return 0; } @@ -167,12 +135,9 @@ static int find_console_handle(void) if (!iprop) { pr_err("ehv-bc: no 'hv-handle' property in %s node\n", np->name); - of_node_put(np); return 0; } stdout_bc = be32_to_cpu(*iprop); - - of_node_put(np); return 1; } diff --git a/drivers/tty/hvc/hvc_opal.c b/drivers/tty/hvc/hvc_opal.c index a585079b4b38..a2cc5f834c63 100644 --- a/drivers/tty/hvc/hvc_opal.c +++ b/drivers/tty/hvc/hvc_opal.c @@ -342,22 +342,13 @@ static void udbg_init_opal_common(void) void __init hvc_opal_init_early(void) { - struct device_node *stdout_node = NULL; + struct device_node *stdout_node = of_node_get(of_stdout); const __be32 *termno; - const char *name = NULL; const struct hv_ops *ops; u32 index; - /* find the boot console from /chosen/stdout */ - if (of_chosen) - name = of_get_property(of_chosen, "linux,stdout-path", NULL); - if (name) { - stdout_node = of_find_node_by_path(name); - if (!stdout_node) { - pr_err("hvc_opal: Failed to locate default console!\n"); - return; - } - } else { + /* If the console wasn't in /chosen, try /ibm,opal */ + if (!stdout_node) { struct device_node *opal, *np; /* Current OPAL takeover doesn't provide the stdout diff --git a/drivers/tty/hvc/hvc_vio.c b/drivers/tty/hvc/hvc_vio.c index b594abfbf21e..5618b5fc7500 100644 --- a/drivers/tty/hvc/hvc_vio.c +++ b/drivers/tty/hvc/hvc_vio.c @@ -404,42 +404,35 @@ module_exit(hvc_vio_exit); void __init hvc_vio_init_early(void) { - struct device_node *stdout_node; const __be32 *termno; const char *name; const struct hv_ops *ops; /* find the boot console from /chosen/stdout */ - if (!of_chosen) + if (!of_stdout) return; - name = of_get_property(of_chosen, "linux,stdout-path", NULL); - if (name == NULL) - return; - stdout_node = of_find_node_by_path(name); - if (!stdout_node) - return; - name = of_get_property(stdout_node, "name", NULL); + name = of_get_property(of_stdout, "name", NULL); if (!name) { printk(KERN_WARNING "stdout node missing 'name' property!\n"); - goto out; + return; } /* Check if it's a virtual terminal */ if (strncmp(name, "vty", 3) != 0) - goto out; - termno = of_get_property(stdout_node, "reg", NULL); + return; + termno = of_get_property(of_stdout, "reg", NULL); if (termno == NULL) - goto out; + return; hvterm_priv0.termno = of_read_number(termno, 1); spin_lock_init(&hvterm_priv0.buf_lock); hvterm_privs[0] = &hvterm_priv0; /* Check the protocol */ - if (of_device_is_compatible(stdout_node, "hvterm1")) { + if (of_device_is_compatible(of_stdout, "hvterm1")) { hvterm_priv0.proto = HV_PROTOCOL_RAW; ops = &hvterm_raw_ops; } - else if (of_device_is_compatible(stdout_node, "hvterm-protocol")) { + else if (of_device_is_compatible(of_stdout, "hvterm-protocol")) { hvterm_priv0.proto = HV_PROTOCOL_HVSI; ops = &hvterm_hvsi_ops; hvsilib_init(&hvterm_priv0.hvsi, hvc_get_chars, hvc_put_chars, @@ -447,7 +440,7 @@ void __init hvc_vio_init_early(void) /* HVSI, perform the handshake now */ hvsilib_establish(&hvterm_priv0.hvsi); } else - goto out; + return; udbg_putc = udbg_hvc_putc; udbg_getc = udbg_hvc_getc; udbg_getc_poll = udbg_hvc_getc_poll; @@ -456,14 +449,12 @@ void __init hvc_vio_init_early(void) * backend for HVSI, only do udbg */ if (hvterm_priv0.proto == HV_PROTOCOL_HVSI) - goto out; + return; #endif /* Check whether the user has requested a different console. */ if (!strstr(cmd_line, "console=")) add_preferred_console("hvc", 0, NULL); hvc_instantiate(0, 0, ops); -out: - of_node_put(stdout_node); } /* call this from early_init() for a working debug console on diff --git a/drivers/tty/serial/pmac_zilog.c b/drivers/tty/serial/pmac_zilog.c index f7ad5b903055..abbfedb84901 100644 --- a/drivers/tty/serial/pmac_zilog.c +++ b/drivers/tty/serial/pmac_zilog.c @@ -1653,8 +1653,7 @@ static int __init pmz_probe(void) /* * Find all escc chips in the system */ - node_p = of_find_node_by_name(NULL, "escc"); - while (node_p) { + for_each_node_by_name(node_p, "escc") { /* * First get channel A/B node pointers * @@ -1672,7 +1671,7 @@ static int __init pmz_probe(void) of_node_put(node_b); printk(KERN_ERR "pmac_zilog: missing node %c for escc %s\n", (!node_a) ? 'a' : 'b', node_p->full_name); - goto next; + continue; } /* @@ -1699,11 +1698,9 @@ static int __init pmz_probe(void) of_node_put(node_b); memset(&pmz_ports[count], 0, sizeof(struct uart_pmac_port)); memset(&pmz_ports[count+1], 0, sizeof(struct uart_pmac_port)); - goto next; + continue; } count += 2; -next: - node_p = of_find_node_by_name(node_p, "escc"); } pmz_ports_count = count; diff --git a/drivers/tty/serial/serial_core.c b/drivers/tty/serial/serial_core.c index 8bb19da01639..29a7be47389a 100644 --- a/drivers/tty/serial/serial_core.c +++ b/drivers/tty/serial/serial_core.c @@ -26,6 +26,7 @@ #include <linux/slab.h> #include <linux/init.h> #include <linux/console.h> +#include <linux/of.h> #include <linux/proc_fs.h> #include <linux/seq_file.h> #include <linux/device.h> @@ -2611,6 +2612,8 @@ int uart_add_one_port(struct uart_driver *drv, struct uart_port *uport) spin_lock_init(&uport->lock); lockdep_set_class(&uport->lock, &port_lock_key); } + if (uport->cons && uport->dev) + of_console_check(uport->dev->of_node, uport->cons->name, uport->line); uart_configure_port(drv, state, uport); diff --git a/drivers/vfio/Kconfig b/drivers/vfio/Kconfig index af7b204b9215..d8c57636b9ce 100644 --- a/drivers/vfio/Kconfig +++ b/drivers/vfio/Kconfig @@ -8,11 +8,17 @@ config VFIO_IOMMU_SPAPR_TCE depends on VFIO && SPAPR_TCE_IOMMU default n +config VFIO_SPAPR_EEH + tristate + depends on EEH && VFIO_IOMMU_SPAPR_TCE + default n + menuconfig VFIO tristate "VFIO Non-Privileged userspace driver framework" depends on IOMMU_API select VFIO_IOMMU_TYPE1 if X86 select VFIO_IOMMU_SPAPR_TCE if (PPC_POWERNV || PPC_PSERIES) + select VFIO_SPAPR_EEH if (PPC_POWERNV || PPC_PSERIES) select ANON_INODES help VFIO provides a framework for secure userspace device drivers. diff --git a/drivers/vfio/Makefile b/drivers/vfio/Makefile index 50e30bc75e85..0b035b12600a 100644 --- a/drivers/vfio/Makefile +++ b/drivers/vfio/Makefile @@ -1,5 +1,5 @@ obj-$(CONFIG_VFIO) += vfio.o obj-$(CONFIG_VFIO_IOMMU_TYPE1) += vfio_iommu_type1.o obj-$(CONFIG_VFIO_IOMMU_SPAPR_TCE) += vfio_iommu_spapr_tce.o -obj-$(CONFIG_EEH) += vfio_spapr_eeh.o +obj-$(CONFIG_VFIO_SPAPR_EEH) += vfio_spapr_eeh.o obj-$(CONFIG_VFIO_PCI) += pci/ diff --git a/drivers/vfio/pci/vfio_pci.c b/drivers/vfio/pci/vfio_pci.c index e2ee80f36e3e..f7825332a325 100644 --- a/drivers/vfio/pci/vfio_pci.c +++ b/drivers/vfio/pci/vfio_pci.c @@ -37,6 +37,10 @@ module_param_named(nointxmask, nointxmask, bool, S_IRUGO | S_IWUSR); MODULE_PARM_DESC(nointxmask, "Disable support for PCI 2.3 style INTx masking. If this resolves problems for specific devices, report lspci -vvvxxx to linux-pci@vger.kernel.org so the device can be fixed automatically via the broken_intx_masking flag."); +static DEFINE_MUTEX(driver_lock); + +static void vfio_pci_try_bus_reset(struct vfio_pci_device *vdev); + static int vfio_pci_enable(struct vfio_pci_device *vdev) { struct pci_dev *pdev = vdev->pdev; @@ -44,6 +48,9 @@ static int vfio_pci_enable(struct vfio_pci_device *vdev) u16 cmd; u8 msix_pos; + /* Don't allow our initial saved state to include busmaster */ + pci_clear_master(pdev); + ret = pci_enable_device(pdev); if (ret) return ret; @@ -99,7 +106,8 @@ static void vfio_pci_disable(struct vfio_pci_device *vdev) struct pci_dev *pdev = vdev->pdev; int bar; - pci_disable_device(pdev); + /* Stop the device from further DMA */ + pci_clear_master(pdev); vfio_pci_set_irqs_ioctl(vdev, VFIO_IRQ_SET_DATA_NONE | VFIO_IRQ_SET_ACTION_TRIGGER, @@ -117,6 +125,8 @@ static void vfio_pci_disable(struct vfio_pci_device *vdev) vdev->barmap[bar] = NULL; } + vdev->needs_reset = true; + /* * If we have saved state, restore it. If we can reset the device, * even better. Resetting with current state seems better than @@ -128,7 +138,7 @@ static void vfio_pci_disable(struct vfio_pci_device *vdev) __func__, dev_name(&pdev->dev)); if (!vdev->reset_works) - return; + goto out; pci_save_state(pdev); } @@ -148,46 +158,55 @@ static void vfio_pci_disable(struct vfio_pci_device *vdev) if (ret) pr_warn("%s: Failed to reset device %s (%d)\n", __func__, dev_name(&pdev->dev), ret); + else + vdev->needs_reset = false; } pci_restore_state(pdev); +out: + pci_disable_device(pdev); + + vfio_pci_try_bus_reset(vdev); } static void vfio_pci_release(void *device_data) { struct vfio_pci_device *vdev = device_data; - if (atomic_dec_and_test(&vdev->refcnt)) { + mutex_lock(&driver_lock); + + if (!(--vdev->refcnt)) { vfio_spapr_pci_eeh_release(vdev->pdev); vfio_pci_disable(vdev); } + mutex_unlock(&driver_lock); + module_put(THIS_MODULE); } static int vfio_pci_open(void *device_data) { struct vfio_pci_device *vdev = device_data; - int ret; + int ret = 0; if (!try_module_get(THIS_MODULE)) return -ENODEV; - if (atomic_inc_return(&vdev->refcnt) == 1) { + mutex_lock(&driver_lock); + + if (!vdev->refcnt) { ret = vfio_pci_enable(vdev); if (ret) goto error; - ret = vfio_spapr_pci_eeh_open(vdev->pdev); - if (ret) { - vfio_pci_disable(vdev); - goto error; - } + vfio_spapr_pci_eeh_open(vdev->pdev); } - - return 0; + vdev->refcnt++; error: - module_put(THIS_MODULE); + mutex_unlock(&driver_lock); + if (ret) + module_put(THIS_MODULE); return ret; } @@ -843,7 +862,6 @@ static int vfio_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id) vdev->irq_type = VFIO_PCI_NUM_IRQS; mutex_init(&vdev->igate); spin_lock_init(&vdev->irqlock); - atomic_set(&vdev->refcnt, 0); ret = vfio_add_group_dev(&pdev->dev, &vfio_pci_ops, vdev); if (ret) { @@ -858,12 +876,15 @@ static void vfio_pci_remove(struct pci_dev *pdev) { struct vfio_pci_device *vdev; + mutex_lock(&driver_lock); + vdev = vfio_del_group_dev(&pdev->dev); - if (!vdev) - return; + if (vdev) { + iommu_group_put(pdev->dev.iommu_group); + kfree(vdev); + } - iommu_group_put(pdev->dev.iommu_group); - kfree(vdev); + mutex_unlock(&driver_lock); } static pci_ers_result_t vfio_pci_aer_err_detected(struct pci_dev *pdev, @@ -906,6 +927,110 @@ static struct pci_driver vfio_pci_driver = { .err_handler = &vfio_err_handlers, }; +/* + * Test whether a reset is necessary and possible. We mark devices as + * needs_reset when they are released, but don't have a function-local reset + * available. If any of these exist in the affected devices, we want to do + * a bus/slot reset. We also need all of the affected devices to be unused, + * so we abort if any device has a non-zero refcnt. driver_lock prevents a + * device from being opened during the scan or unbound from vfio-pci. + */ +static int vfio_pci_test_bus_reset(struct pci_dev *pdev, void *data) +{ + bool *needs_reset = data; + struct pci_driver *pci_drv = ACCESS_ONCE(pdev->driver); + int ret = -EBUSY; + + if (pci_drv == &vfio_pci_driver) { + struct vfio_device *device; + struct vfio_pci_device *vdev; + + device = vfio_device_get_from_dev(&pdev->dev); + if (!device) + return ret; + + vdev = vfio_device_data(device); + if (vdev) { + if (vdev->needs_reset) + *needs_reset = true; + + if (!vdev->refcnt) + ret = 0; + } + + vfio_device_put(device); + } + + /* + * TODO: vfio-core considers groups to be viable even if some devices + * are attached to known drivers, like pci-stub or pcieport. We can't + * freeze devices from being unbound to those drivers like we can + * here though, so it would be racy to test for them. We also can't + * use device_lock() to prevent changes as that would interfere with + * PCI-core taking device_lock during bus reset. For now, we require + * devices to be bound to vfio-pci to get a bus/slot reset on release. + */ + + return ret; +} + +/* Clear needs_reset on all affected devices after successful bus/slot reset */ +static int vfio_pci_clear_needs_reset(struct pci_dev *pdev, void *data) +{ + struct pci_driver *pci_drv = ACCESS_ONCE(pdev->driver); + + if (pci_drv == &vfio_pci_driver) { + struct vfio_device *device; + struct vfio_pci_device *vdev; + + device = vfio_device_get_from_dev(&pdev->dev); + if (!device) + return 0; + + vdev = vfio_device_data(device); + if (vdev) + vdev->needs_reset = false; + + vfio_device_put(device); + } + + return 0; +} + +/* + * Attempt to do a bus/slot reset if there are devices affected by a reset for + * this device that are needs_reset and all of the affected devices are unused + * (!refcnt). Callers of this function are required to hold driver_lock such + * that devices can not be unbound from vfio-pci or opened by a user while we + * test for and perform a bus/slot reset. + */ +static void vfio_pci_try_bus_reset(struct vfio_pci_device *vdev) +{ + bool needs_reset = false, slot = false; + int ret; + + if (!pci_probe_reset_slot(vdev->pdev->slot)) + slot = true; + else if (pci_probe_reset_bus(vdev->pdev->bus)) + return; + + if (vfio_pci_for_each_slot_or_bus(vdev->pdev, + vfio_pci_test_bus_reset, + &needs_reset, slot) || !needs_reset) + return; + + if (slot) + ret = pci_try_reset_slot(vdev->pdev->slot); + else + ret = pci_try_reset_bus(vdev->pdev->bus); + + if (ret) + return; + + vfio_pci_for_each_slot_or_bus(vdev->pdev, + vfio_pci_clear_needs_reset, NULL, slot); +} + static void __exit vfio_pci_cleanup(void) { pci_unregister_driver(&vfio_pci_driver); diff --git a/drivers/vfio/pci/vfio_pci_private.h b/drivers/vfio/pci/vfio_pci_private.h index 9c6d5d0f3b02..671c17a6e6d0 100644 --- a/drivers/vfio/pci/vfio_pci_private.h +++ b/drivers/vfio/pci/vfio_pci_private.h @@ -54,8 +54,9 @@ struct vfio_pci_device { bool extended_caps; bool bardirty; bool has_vga; + bool needs_reset; struct pci_saved_state *pci_saved_state; - atomic_t refcnt; + int refcnt; struct eventfd_ctx *err_trigger; }; diff --git a/drivers/vfio/vfio_spapr_eeh.c b/drivers/vfio/vfio_spapr_eeh.c index f834b4ce1431..86dfceb9201f 100644 --- a/drivers/vfio/vfio_spapr_eeh.c +++ b/drivers/vfio/vfio_spapr_eeh.c @@ -9,20 +9,27 @@ * published by the Free Software Foundation. */ +#include <linux/module.h> #include <linux/uaccess.h> #include <linux/vfio.h> #include <asm/eeh.h> +#define DRIVER_VERSION "0.1" +#define DRIVER_AUTHOR "Gavin Shan, IBM Corporation" +#define DRIVER_DESC "VFIO IOMMU SPAPR EEH" + /* We might build address mapping here for "fast" path later */ -int vfio_spapr_pci_eeh_open(struct pci_dev *pdev) +void vfio_spapr_pci_eeh_open(struct pci_dev *pdev) { - return eeh_dev_open(pdev); + eeh_dev_open(pdev); } +EXPORT_SYMBOL_GPL(vfio_spapr_pci_eeh_open); void vfio_spapr_pci_eeh_release(struct pci_dev *pdev) { eeh_dev_release(pdev); } +EXPORT_SYMBOL_GPL(vfio_spapr_pci_eeh_release); long vfio_spapr_iommu_eeh_ioctl(struct iommu_group *group, unsigned int cmd, unsigned long arg) @@ -85,3 +92,9 @@ long vfio_spapr_iommu_eeh_ioctl(struct iommu_group *group, return ret; } +EXPORT_SYMBOL(vfio_spapr_iommu_eeh_ioctl); + +MODULE_VERSION(DRIVER_VERSION); +MODULE_LICENSE("GPL v2"); +MODULE_AUTHOR(DRIVER_AUTHOR); +MODULE_DESCRIPTION(DRIVER_DESC); diff --git a/drivers/video/fbdev/hyperv_fb.c b/drivers/video/fbdev/hyperv_fb.c index 569e7562fa3d..42543362f163 100644 --- a/drivers/video/fbdev/hyperv_fb.c +++ b/drivers/video/fbdev/hyperv_fb.c @@ -892,7 +892,7 @@ static int hvfb_remove(struct hv_device *hdev) } -static DEFINE_PCI_DEVICE_TABLE(pci_stub_id_table) = { +static const struct pci_device_id pci_stub_id_table[] = { { .vendor = PCI_VENDOR_ID_MICROSOFT, .device = PCI_DEVICE_ID_HYPERV_VIDEO, diff --git a/drivers/video/fbdev/i740fb.c b/drivers/video/fbdev/i740fb.c index ca7c9df193b0..a2b4204b42bb 100644 --- a/drivers/video/fbdev/i740fb.c +++ b/drivers/video/fbdev/i740fb.c @@ -1260,7 +1260,7 @@ fail: #define I740_ID_PCI 0x00d1 #define I740_ID_AGP 0x7800 -static DEFINE_PCI_DEVICE_TABLE(i740fb_id_table) = { +static const struct pci_device_id i740fb_id_table[] = { { PCI_DEVICE(PCI_VENDOR_ID_INTEL, I740_ID_PCI) }, { PCI_DEVICE(PCI_VENDOR_ID_INTEL, I740_ID_AGP) }, { 0 } diff --git a/drivers/xen/xen-pciback/pci_stub.c b/drivers/xen/xen-pciback/pci_stub.c index d57a173685f3..259ba2661543 100644 --- a/drivers/xen/xen-pciback/pci_stub.c +++ b/drivers/xen/xen-pciback/pci_stub.c @@ -579,7 +579,7 @@ static void pcistub_remove(struct pci_dev *dev) } } -static DEFINE_PCI_DEVICE_TABLE(pcistub_ids) = { +static const struct pci_device_id pcistub_ids[] = { { .vendor = PCI_ANY_ID, .device = PCI_ANY_ID, diff --git a/fs/Makefile b/fs/Makefile index 4030cbfbc9af..90c88529892b 100644 --- a/fs/Makefile +++ b/fs/Makefile @@ -11,7 +11,7 @@ obj-y := open.o read_write.o file_table.o super.o \ attr.o bad_inode.o file.o filesystems.o namespace.o \ seq_file.o xattr.o libfs.o fs-writeback.o \ pnode.o splice.o sync.o utimes.o \ - stack.o fs_struct.o statfs.o + stack.o fs_struct.o statfs.o fs_pin.o ifeq ($(CONFIG_BLOCK),y) obj-y += buffer.o block_dev.o direct-io.o mpage.o @@ -192,7 +192,6 @@ static struct file *aio_private_file(struct kioctx *ctx, loff_t nr_pages) } file->f_flags = O_RDWR; - file->private_data = ctx; return file; } @@ -202,7 +201,7 @@ static struct dentry *aio_mount(struct file_system_type *fs_type, static const struct dentry_operations ops = { .d_dname = simple_dname, }; - return mount_pseudo(fs_type, "aio:", NULL, &ops, 0xa10a10a1); + return mount_pseudo(fs_type, "aio:", NULL, &ops, AIO_RING_MAGIC); } /* aio_setup @@ -556,8 +555,7 @@ static int ioctx_add_table(struct kioctx *ctx, struct mm_struct *mm) struct aio_ring *ring; spin_lock(&mm->ioctx_lock); - rcu_read_lock(); - table = rcu_dereference(mm->ioctx_table); + table = rcu_dereference_raw(mm->ioctx_table); while (1) { if (table) @@ -565,7 +563,6 @@ static int ioctx_add_table(struct kioctx *ctx, struct mm_struct *mm) if (!table->table[i]) { ctx->id = i; table->table[i] = ctx; - rcu_read_unlock(); spin_unlock(&mm->ioctx_lock); /* While kioctx setup is in progress, @@ -579,8 +576,6 @@ static int ioctx_add_table(struct kioctx *ctx, struct mm_struct *mm) } new_nr = (table ? table->nr : 1) * 4; - - rcu_read_unlock(); spin_unlock(&mm->ioctx_lock); table = kzalloc(sizeof(*table) + sizeof(struct kioctx *) * @@ -591,8 +586,7 @@ static int ioctx_add_table(struct kioctx *ctx, struct mm_struct *mm) table->nr = new_nr; spin_lock(&mm->ioctx_lock); - rcu_read_lock(); - old = rcu_dereference(mm->ioctx_table); + old = rcu_dereference_raw(mm->ioctx_table); if (!old) { rcu_assign_pointer(mm->ioctx_table, table); @@ -739,12 +733,9 @@ static int kill_ioctx(struct mm_struct *mm, struct kioctx *ctx, spin_lock(&mm->ioctx_lock); - rcu_read_lock(); - table = rcu_dereference(mm->ioctx_table); - + table = rcu_dereference_raw(mm->ioctx_table); WARN_ON(ctx != table->table[ctx->id]); table->table[ctx->id] = NULL; - rcu_read_unlock(); spin_unlock(&mm->ioctx_lock); /* percpu_ref_kill() will do the necessary call_rcu() */ @@ -793,40 +784,30 @@ EXPORT_SYMBOL(wait_on_sync_kiocb); */ void exit_aio(struct mm_struct *mm) { - struct kioctx_table *table; - struct kioctx *ctx; - unsigned i = 0; - - while (1) { - rcu_read_lock(); - table = rcu_dereference(mm->ioctx_table); - - do { - if (!table || i >= table->nr) { - rcu_read_unlock(); - rcu_assign_pointer(mm->ioctx_table, NULL); - if (table) - kfree(table); - return; - } + struct kioctx_table *table = rcu_dereference_raw(mm->ioctx_table); + int i; - ctx = table->table[i++]; - } while (!ctx); + if (!table) + return; - rcu_read_unlock(); + for (i = 0; i < table->nr; ++i) { + struct kioctx *ctx = table->table[i]; + if (!ctx) + continue; /* - * We don't need to bother with munmap() here - - * exit_mmap(mm) is coming and it'll unmap everything. - * Since aio_free_ring() uses non-zero ->mmap_size - * as indicator that it needs to unmap the area, - * just set it to 0; aio_free_ring() is the only - * place that uses ->mmap_size, so it's safe. + * We don't need to bother with munmap() here - exit_mmap(mm) + * is coming and it'll unmap everything. And we simply can't, + * this is not necessarily our ->mm. + * Since kill_ioctx() uses non-zero ->mmap_size as indicator + * that it needs to unmap the area, just set it to 0. */ ctx->mmap_size = 0; - kill_ioctx(mm, ctx, NULL); } + + RCU_INIT_POINTER(mm->ioctx_table, NULL); + kfree(table); } static void put_reqs_available(struct kioctx *ctx, unsigned nr) @@ -834,10 +815,8 @@ static void put_reqs_available(struct kioctx *ctx, unsigned nr) struct kioctx_cpu *kcpu; unsigned long flags; - preempt_disable(); - kcpu = this_cpu_ptr(ctx->cpu); - local_irq_save(flags); + kcpu = this_cpu_ptr(ctx->cpu); kcpu->reqs_available += nr; while (kcpu->reqs_available >= ctx->req_batch * 2) { @@ -846,7 +825,6 @@ static void put_reqs_available(struct kioctx *ctx, unsigned nr) } local_irq_restore(flags); - preempt_enable(); } static bool get_reqs_available(struct kioctx *ctx) @@ -855,10 +833,8 @@ static bool get_reqs_available(struct kioctx *ctx) bool ret = false; unsigned long flags; - preempt_disable(); - kcpu = this_cpu_ptr(ctx->cpu); - local_irq_save(flags); + kcpu = this_cpu_ptr(ctx->cpu); if (!kcpu->reqs_available) { int old, avail = atomic_read(&ctx->reqs_available); @@ -878,7 +854,6 @@ static bool get_reqs_available(struct kioctx *ctx) kcpu->reqs_available--; out: local_irq_restore(flags); - preempt_enable(); return ret; } @@ -1047,7 +1022,7 @@ void aio_complete(struct kiocb *iocb, long res, long res2) } EXPORT_SYMBOL(aio_complete); -/* aio_read_events +/* aio_read_events_ring * Pull an event off of the ioctx's event ring. Returns the number of * events fetched */ @@ -1270,12 +1245,12 @@ static ssize_t aio_setup_vectored_rw(struct kiocb *kiocb, if (compat) ret = compat_rw_copy_check_uvector(rw, (struct compat_iovec __user *)buf, - *nr_segs, 1, *iovec, iovec); + *nr_segs, UIO_FASTIOV, *iovec, iovec); else #endif ret = rw_copy_check_uvector(rw, (struct iovec __user *)buf, - *nr_segs, 1, *iovec, iovec); + *nr_segs, UIO_FASTIOV, *iovec, iovec); if (ret < 0) return ret; @@ -1299,9 +1274,8 @@ static ssize_t aio_setup_single_vector(struct kiocb *kiocb, } /* - * aio_setup_iocb: - * Performs the initial checks and aio retry method - * setup for the kiocb at the time of io submission. + * aio_run_iocb: + * Performs the initial checks and io submission. */ static ssize_t aio_run_iocb(struct kiocb *req, unsigned opcode, char __user *buf, bool compat) @@ -1313,7 +1287,7 @@ static ssize_t aio_run_iocb(struct kiocb *req, unsigned opcode, fmode_t mode; aio_rw_op *rw_op; rw_iter_op *iter_op; - struct iovec inline_vec, *iovec = &inline_vec; + struct iovec inline_vecs[UIO_FASTIOV], *iovec = inline_vecs; struct iov_iter iter; switch (opcode) { @@ -1348,7 +1322,7 @@ rw_common: if (!ret) ret = rw_verify_area(rw, file, &req->ki_pos, req->ki_nbytes); if (ret < 0) { - if (iovec != &inline_vec) + if (iovec != inline_vecs) kfree(iovec); return ret; } @@ -1395,7 +1369,7 @@ rw_common: return -EINVAL; } - if (iovec != &inline_vec) + if (iovec != inline_vecs) kfree(iovec); if (ret != -EIOCBQUEUED) { diff --git a/fs/bad_inode.c b/fs/bad_inode.c index 7c93953030fb..afd2b4408adf 100644 --- a/fs/bad_inode.c +++ b/fs/bad_inode.c @@ -218,8 +218,9 @@ static int bad_inode_mknod (struct inode *dir, struct dentry *dentry, return -EIO; } -static int bad_inode_rename (struct inode *old_dir, struct dentry *old_dentry, - struct inode *new_dir, struct dentry *new_dentry) +static int bad_inode_rename2(struct inode *old_dir, struct dentry *old_dentry, + struct inode *new_dir, struct dentry *new_dentry, + unsigned int flags) { return -EIO; } @@ -279,7 +280,7 @@ static const struct inode_operations bad_inode_ops = .mkdir = bad_inode_mkdir, .rmdir = bad_inode_rmdir, .mknod = bad_inode_mknod, - .rename = bad_inode_rename, + .rename2 = bad_inode_rename2, .readlink = bad_inode_readlink, /* follow_link must be no-op, otherwise unmounting this inode won't work */ diff --git a/fs/btrfs/backref.c b/fs/btrfs/backref.c index e25564bfcb46..54a201dac7f9 100644 --- a/fs/btrfs/backref.c +++ b/fs/btrfs/backref.c @@ -276,9 +276,8 @@ static int add_all_parents(struct btrfs_root *root, struct btrfs_path *path, } if (ret > 0) goto next; - ret = ulist_add_merge(parents, eb->start, - (uintptr_t)eie, - (u64 *)&old, GFP_NOFS); + ret = ulist_add_merge_ptr(parents, eb->start, + eie, (void **)&old, GFP_NOFS); if (ret < 0) break; if (!ret && extent_item_pos) { @@ -1001,16 +1000,19 @@ again: ret = -EIO; goto out; } + btrfs_tree_read_lock(eb); + btrfs_set_lock_blocking_rw(eb, BTRFS_READ_LOCK); ret = find_extent_in_eb(eb, bytenr, *extent_item_pos, &eie); + btrfs_tree_read_unlock_blocking(eb); free_extent_buffer(eb); if (ret < 0) goto out; ref->inode_list = eie; } - ret = ulist_add_merge(refs, ref->parent, - (uintptr_t)ref->inode_list, - (u64 *)&eie, GFP_NOFS); + ret = ulist_add_merge_ptr(refs, ref->parent, + ref->inode_list, + (void **)&eie, GFP_NOFS); if (ret < 0) goto out; if (!ret && extent_item_pos) { diff --git a/fs/btrfs/btrfs_inode.h b/fs/btrfs/btrfs_inode.h index 4794923c410c..43527fd78825 100644 --- a/fs/btrfs/btrfs_inode.h +++ b/fs/btrfs/btrfs_inode.h @@ -84,12 +84,6 @@ struct btrfs_inode { */ struct list_head delalloc_inodes; - /* - * list for tracking inodes that must be sent to disk before a - * rename or truncate commit - */ - struct list_head ordered_operations; - /* node for the red-black tree that links inodes in subvolume root */ struct rb_node rb_node; diff --git a/fs/btrfs/ctree.c b/fs/btrfs/ctree.c index aeab453b8e24..44ee5d2e52a4 100644 --- a/fs/btrfs/ctree.c +++ b/fs/btrfs/ctree.c @@ -280,9 +280,9 @@ int btrfs_copy_root(struct btrfs_trans_handle *trans, WARN_ON(btrfs_header_generation(buf) > trans->transid); if (new_root_objectid == BTRFS_TREE_RELOC_OBJECTID) - ret = btrfs_inc_ref(trans, root, cow, 1, 1); + ret = btrfs_inc_ref(trans, root, cow, 1); else - ret = btrfs_inc_ref(trans, root, cow, 0, 1); + ret = btrfs_inc_ref(trans, root, cow, 0); if (ret) return ret; @@ -1035,14 +1035,14 @@ static noinline int update_ref_for_cow(struct btrfs_trans_handle *trans, if ((owner == root->root_key.objectid || root->root_key.objectid == BTRFS_TREE_RELOC_OBJECTID) && !(flags & BTRFS_BLOCK_FLAG_FULL_BACKREF)) { - ret = btrfs_inc_ref(trans, root, buf, 1, 1); + ret = btrfs_inc_ref(trans, root, buf, 1); BUG_ON(ret); /* -ENOMEM */ if (root->root_key.objectid == BTRFS_TREE_RELOC_OBJECTID) { - ret = btrfs_dec_ref(trans, root, buf, 0, 1); + ret = btrfs_dec_ref(trans, root, buf, 0); BUG_ON(ret); /* -ENOMEM */ - ret = btrfs_inc_ref(trans, root, cow, 1, 1); + ret = btrfs_inc_ref(trans, root, cow, 1); BUG_ON(ret); /* -ENOMEM */ } new_flags |= BTRFS_BLOCK_FLAG_FULL_BACKREF; @@ -1050,9 +1050,9 @@ static noinline int update_ref_for_cow(struct btrfs_trans_handle *trans, if (root->root_key.objectid == BTRFS_TREE_RELOC_OBJECTID) - ret = btrfs_inc_ref(trans, root, cow, 1, 1); + ret = btrfs_inc_ref(trans, root, cow, 1); else - ret = btrfs_inc_ref(trans, root, cow, 0, 1); + ret = btrfs_inc_ref(trans, root, cow, 0); BUG_ON(ret); /* -ENOMEM */ } if (new_flags != 0) { @@ -1069,11 +1069,11 @@ static noinline int update_ref_for_cow(struct btrfs_trans_handle *trans, if (flags & BTRFS_BLOCK_FLAG_FULL_BACKREF) { if (root->root_key.objectid == BTRFS_TREE_RELOC_OBJECTID) - ret = btrfs_inc_ref(trans, root, cow, 1, 1); + ret = btrfs_inc_ref(trans, root, cow, 1); else - ret = btrfs_inc_ref(trans, root, cow, 0, 1); + ret = btrfs_inc_ref(trans, root, cow, 0); BUG_ON(ret); /* -ENOMEM */ - ret = btrfs_dec_ref(trans, root, buf, 1, 1); + ret = btrfs_dec_ref(trans, root, buf, 1); BUG_ON(ret); /* -ENOMEM */ } clean_tree_block(trans, root, buf); diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h index be91397f4e92..8e29b614fe93 100644 --- a/fs/btrfs/ctree.h +++ b/fs/btrfs/ctree.h @@ -3326,9 +3326,9 @@ int btrfs_reserve_extent(struct btrfs_root *root, u64 num_bytes, u64 min_alloc_size, u64 empty_size, u64 hint_byte, struct btrfs_key *ins, int is_data, int delalloc); int btrfs_inc_ref(struct btrfs_trans_handle *trans, struct btrfs_root *root, - struct extent_buffer *buf, int full_backref, int no_quota); + struct extent_buffer *buf, int full_backref); int btrfs_dec_ref(struct btrfs_trans_handle *trans, struct btrfs_root *root, - struct extent_buffer *buf, int full_backref, int no_quota); + struct extent_buffer *buf, int full_backref); int btrfs_set_disk_extent_flags(struct btrfs_trans_handle *trans, struct btrfs_root *root, u64 bytenr, u64 num_bytes, u64 flags, diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c index 08e65e9cf2aa..d0ed9e664f7d 100644 --- a/fs/btrfs/disk-io.c +++ b/fs/btrfs/disk-io.c @@ -60,8 +60,6 @@ static void end_workqueue_fn(struct btrfs_work *work); static void free_fs_root(struct btrfs_root *root); static int btrfs_check_super_valid(struct btrfs_fs_info *fs_info, int read_only); -static void btrfs_destroy_ordered_operations(struct btrfs_transaction *t, - struct btrfs_root *root); static void btrfs_destroy_ordered_extents(struct btrfs_root *root); static int btrfs_destroy_delayed_refs(struct btrfs_transaction *trans, struct btrfs_root *root); @@ -3829,34 +3827,6 @@ static void btrfs_error_commit_super(struct btrfs_root *root) btrfs_cleanup_transaction(root); } -static void btrfs_destroy_ordered_operations(struct btrfs_transaction *t, - struct btrfs_root *root) -{ - struct btrfs_inode *btrfs_inode; - struct list_head splice; - - INIT_LIST_HEAD(&splice); - - mutex_lock(&root->fs_info->ordered_operations_mutex); - spin_lock(&root->fs_info->ordered_root_lock); - - list_splice_init(&t->ordered_operations, &splice); - while (!list_empty(&splice)) { - btrfs_inode = list_entry(splice.next, struct btrfs_inode, - ordered_operations); - - list_del_init(&btrfs_inode->ordered_operations); - spin_unlock(&root->fs_info->ordered_root_lock); - - btrfs_invalidate_inodes(btrfs_inode->root); - - spin_lock(&root->fs_info->ordered_root_lock); - } - - spin_unlock(&root->fs_info->ordered_root_lock); - mutex_unlock(&root->fs_info->ordered_operations_mutex); -} - static void btrfs_destroy_ordered_extents(struct btrfs_root *root) { struct btrfs_ordered_extent *ordered; @@ -4093,8 +4063,6 @@ again: void btrfs_cleanup_one_transaction(struct btrfs_transaction *cur_trans, struct btrfs_root *root) { - btrfs_destroy_ordered_operations(cur_trans, root); - btrfs_destroy_delayed_refs(cur_trans, root); cur_trans->state = TRANS_STATE_COMMIT_START; diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c index 813537f362f9..102ed3143976 100644 --- a/fs/btrfs/extent-tree.c +++ b/fs/btrfs/extent-tree.c @@ -3057,7 +3057,7 @@ out: static int __btrfs_mod_ref(struct btrfs_trans_handle *trans, struct btrfs_root *root, struct extent_buffer *buf, - int full_backref, int inc, int no_quota) + int full_backref, int inc) { u64 bytenr; u64 num_bytes; @@ -3111,7 +3111,7 @@ static int __btrfs_mod_ref(struct btrfs_trans_handle *trans, key.offset -= btrfs_file_extent_offset(buf, fi); ret = process_func(trans, root, bytenr, num_bytes, parent, ref_root, key.objectid, - key.offset, no_quota); + key.offset, 1); if (ret) goto fail; } else { @@ -3119,7 +3119,7 @@ static int __btrfs_mod_ref(struct btrfs_trans_handle *trans, num_bytes = btrfs_level_size(root, level - 1); ret = process_func(trans, root, bytenr, num_bytes, parent, ref_root, level - 1, 0, - no_quota); + 1); if (ret) goto fail; } @@ -3130,15 +3130,15 @@ fail: } int btrfs_inc_ref(struct btrfs_trans_handle *trans, struct btrfs_root *root, - struct extent_buffer *buf, int full_backref, int no_quota) + struct extent_buffer *buf, int full_backref) { - return __btrfs_mod_ref(trans, root, buf, full_backref, 1, no_quota); + return __btrfs_mod_ref(trans, root, buf, full_backref, 1); } int btrfs_dec_ref(struct btrfs_trans_handle *trans, struct btrfs_root *root, - struct extent_buffer *buf, int full_backref, int no_quota) + struct extent_buffer *buf, int full_backref) { - return __btrfs_mod_ref(trans, root, buf, full_backref, 0, no_quota); + return __btrfs_mod_ref(trans, root, buf, full_backref, 0); } static int write_one_cache_group(struct btrfs_trans_handle *trans, @@ -7478,6 +7478,220 @@ reada: wc->reada_slot = slot; } +static int account_leaf_items(struct btrfs_trans_handle *trans, + struct btrfs_root *root, + struct extent_buffer *eb) +{ + int nr = btrfs_header_nritems(eb); + int i, extent_type, ret; + struct btrfs_key key; + struct btrfs_file_extent_item *fi; + u64 bytenr, num_bytes; + + for (i = 0; i < nr; i++) { + btrfs_item_key_to_cpu(eb, &key, i); + + if (key.type != BTRFS_EXTENT_DATA_KEY) + continue; + + fi = btrfs_item_ptr(eb, i, struct btrfs_file_extent_item); + /* filter out non qgroup-accountable extents */ + extent_type = btrfs_file_extent_type(eb, fi); + + if (extent_type == BTRFS_FILE_EXTENT_INLINE) + continue; + + bytenr = btrfs_file_extent_disk_bytenr(eb, fi); + if (!bytenr) + continue; + + num_bytes = btrfs_file_extent_disk_num_bytes(eb, fi); + + ret = btrfs_qgroup_record_ref(trans, root->fs_info, + root->objectid, + bytenr, num_bytes, + BTRFS_QGROUP_OPER_SUB_SUBTREE, 0); + if (ret) + return ret; + } + return 0; +} + +/* + * Walk up the tree from the bottom, freeing leaves and any interior + * nodes which have had all slots visited. If a node (leaf or + * interior) is freed, the node above it will have it's slot + * incremented. The root node will never be freed. + * + * At the end of this function, we should have a path which has all + * slots incremented to the next position for a search. If we need to + * read a new node it will be NULL and the node above it will have the + * correct slot selected for a later read. + * + * If we increment the root nodes slot counter past the number of + * elements, 1 is returned to signal completion of the search. + */ +static int adjust_slots_upwards(struct btrfs_root *root, + struct btrfs_path *path, int root_level) +{ + int level = 0; + int nr, slot; + struct extent_buffer *eb; + + if (root_level == 0) + return 1; + + while (level <= root_level) { + eb = path->nodes[level]; + nr = btrfs_header_nritems(eb); + path->slots[level]++; + slot = path->slots[level]; + if (slot >= nr || level == 0) { + /* + * Don't free the root - we will detect this + * condition after our loop and return a + * positive value for caller to stop walking the tree. + */ + if (level != root_level) { + btrfs_tree_unlock_rw(eb, path->locks[level]); + path->locks[level] = 0; + + free_extent_buffer(eb); + path->nodes[level] = NULL; + path->slots[level] = 0; + } + } else { + /* + * We have a valid slot to walk back down + * from. Stop here so caller can process these + * new nodes. + */ + break; + } + + level++; + } + + eb = path->nodes[root_level]; + if (path->slots[root_level] >= btrfs_header_nritems(eb)) + return 1; + + return 0; +} + +/* + * root_eb is the subtree root and is locked before this function is called. + */ +static int account_shared_subtree(struct btrfs_trans_handle *trans, + struct btrfs_root *root, + struct extent_buffer *root_eb, + u64 root_gen, + int root_level) +{ + int ret = 0; + int level; + struct extent_buffer *eb = root_eb; + struct btrfs_path *path = NULL; + + BUG_ON(root_level < 0 || root_level > BTRFS_MAX_LEVEL); + BUG_ON(root_eb == NULL); + + if (!root->fs_info->quota_enabled) + return 0; + + if (!extent_buffer_uptodate(root_eb)) { + ret = btrfs_read_buffer(root_eb, root_gen); + if (ret) + goto out; + } + + if (root_level == 0) { + ret = account_leaf_items(trans, root, root_eb); + goto out; + } + + path = btrfs_alloc_path(); + if (!path) + return -ENOMEM; + + /* + * Walk down the tree. Missing extent blocks are filled in as + * we go. Metadata is accounted every time we read a new + * extent block. + * + * When we reach a leaf, we account for file extent items in it, + * walk back up the tree (adjusting slot pointers as we go) + * and restart the search process. + */ + extent_buffer_get(root_eb); /* For path */ + path->nodes[root_level] = root_eb; + path->slots[root_level] = 0; + path->locks[root_level] = 0; /* so release_path doesn't try to unlock */ +walk_down: + level = root_level; + while (level >= 0) { + if (path->nodes[level] == NULL) { + int child_bsize = root->nodesize; + int parent_slot; + u64 child_gen; + u64 child_bytenr; + + /* We need to get child blockptr/gen from + * parent before we can read it. */ + eb = path->nodes[level + 1]; + parent_slot = path->slots[level + 1]; + child_bytenr = btrfs_node_blockptr(eb, parent_slot); + child_gen = btrfs_node_ptr_generation(eb, parent_slot); + + eb = read_tree_block(root, child_bytenr, child_bsize, + child_gen); + if (!eb || !extent_buffer_uptodate(eb)) { + ret = -EIO; + goto out; + } + + path->nodes[level] = eb; + path->slots[level] = 0; + + btrfs_tree_read_lock(eb); + btrfs_set_lock_blocking_rw(eb, BTRFS_READ_LOCK); + path->locks[level] = BTRFS_READ_LOCK_BLOCKING; + + ret = btrfs_qgroup_record_ref(trans, root->fs_info, + root->objectid, + child_bytenr, + child_bsize, + BTRFS_QGROUP_OPER_SUB_SUBTREE, + 0); + if (ret) + goto out; + + } + + if (level == 0) { + ret = account_leaf_items(trans, root, path->nodes[level]); + if (ret) + goto out; + + /* Nonzero return here means we completed our search */ + ret = adjust_slots_upwards(root, path, root_level); + if (ret) + break; + + /* Restart search with new slots */ + goto walk_down; + } + + level--; + } + + ret = 0; +out: + btrfs_free_path(path); + + return ret; +} + /* * helper to process tree block while walking down the tree. * @@ -7532,9 +7746,9 @@ static noinline int walk_down_proc(struct btrfs_trans_handle *trans, /* wc->stage == UPDATE_BACKREF */ if (!(wc->flags[level] & flag)) { BUG_ON(!path->locks[level]); - ret = btrfs_inc_ref(trans, root, eb, 1, wc->for_reloc); + ret = btrfs_inc_ref(trans, root, eb, 1); BUG_ON(ret); /* -ENOMEM */ - ret = btrfs_dec_ref(trans, root, eb, 0, wc->for_reloc); + ret = btrfs_dec_ref(trans, root, eb, 0); BUG_ON(ret); /* -ENOMEM */ ret = btrfs_set_disk_extent_flags(trans, root, eb->start, eb->len, flag, @@ -7581,6 +7795,7 @@ static noinline int do_walk_down(struct btrfs_trans_handle *trans, int level = wc->level; int reada = 0; int ret = 0; + bool need_account = false; generation = btrfs_node_ptr_generation(path->nodes[level], path->slots[level]); @@ -7626,6 +7841,7 @@ static noinline int do_walk_down(struct btrfs_trans_handle *trans, if (wc->stage == DROP_REFERENCE) { if (wc->refs[level - 1] > 1) { + need_account = true; if (level == 1 && (wc->flags[0] & BTRFS_BLOCK_FLAG_FULL_BACKREF)) goto skip; @@ -7689,6 +7905,16 @@ skip: parent = 0; } + if (need_account) { + ret = account_shared_subtree(trans, root, next, + generation, level - 1); + if (ret) { + printk_ratelimited(KERN_ERR "BTRFS: %s Error " + "%d accounting shared subtree. Quota " + "is out of sync, rescan required.\n", + root->fs_info->sb->s_id, ret); + } + } ret = btrfs_free_extent(trans, root, bytenr, blocksize, parent, root->root_key.objectid, level - 1, 0, 0); BUG_ON(ret); /* -ENOMEM */ @@ -7769,12 +7995,17 @@ static noinline int walk_up_proc(struct btrfs_trans_handle *trans, if (wc->refs[level] == 1) { if (level == 0) { if (wc->flags[level] & BTRFS_BLOCK_FLAG_FULL_BACKREF) - ret = btrfs_dec_ref(trans, root, eb, 1, - wc->for_reloc); + ret = btrfs_dec_ref(trans, root, eb, 1); else - ret = btrfs_dec_ref(trans, root, eb, 0, - wc->for_reloc); + ret = btrfs_dec_ref(trans, root, eb, 0); BUG_ON(ret); /* -ENOMEM */ + ret = account_leaf_items(trans, root, eb); + if (ret) { + printk_ratelimited(KERN_ERR "BTRFS: %s Error " + "%d accounting leaf items. Quota " + "is out of sync, rescan required.\n", + root->fs_info->sb->s_id, ret); + } } /* make block locked assertion in clean_tree_block happy */ if (!path->locks[level] && @@ -7900,6 +8131,8 @@ int btrfs_drop_snapshot(struct btrfs_root *root, int level; bool root_dropped = false; + btrfs_debug(root->fs_info, "Drop subvolume %llu", root->objectid); + path = btrfs_alloc_path(); if (!path) { err = -ENOMEM; @@ -8025,6 +8258,24 @@ int btrfs_drop_snapshot(struct btrfs_root *root, goto out_end_trans; } + /* + * Qgroup update accounting is run from + * delayed ref handling. This usually works + * out because delayed refs are normally the + * only way qgroup updates are added. However, + * we may have added updates during our tree + * walk so run qgroups here to make sure we + * don't lose any updates. + */ + ret = btrfs_delayed_qgroup_accounting(trans, + root->fs_info); + if (ret) + printk_ratelimited(KERN_ERR "BTRFS: Failure %d " + "running qgroup updates " + "during snapshot delete. " + "Quota is out of sync, " + "rescan required.\n", ret); + btrfs_end_transaction_throttle(trans, tree_root); if (!for_reloc && btrfs_need_cleaner_sleep(root)) { pr_debug("BTRFS: drop snapshot early exit\n"); @@ -8078,6 +8329,14 @@ int btrfs_drop_snapshot(struct btrfs_root *root, } root_dropped = true; out_end_trans: + ret = btrfs_delayed_qgroup_accounting(trans, tree_root->fs_info); + if (ret) + printk_ratelimited(KERN_ERR "BTRFS: Failure %d " + "running qgroup updates " + "during snapshot delete. " + "Quota is out of sync, " + "rescan required.\n", ret); + btrfs_end_transaction_throttle(trans, tree_root); out_free: kfree(wc); diff --git a/fs/btrfs/file-item.c b/fs/btrfs/file-item.c index f46cfe45d686..54c84daec9b5 100644 --- a/fs/btrfs/file-item.c +++ b/fs/btrfs/file-item.c @@ -756,7 +756,7 @@ again: found_next = 1; if (ret != 0) goto insert; - slot = 0; + slot = path->slots[0]; } btrfs_item_key_to_cpu(path->nodes[0], &found_key, slot); if (found_key.objectid != BTRFS_EXTENT_CSUM_OBJECTID || diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c index 1f2b99cb55ea..d3afac292d67 100644 --- a/fs/btrfs/file.c +++ b/fs/btrfs/file.c @@ -1838,33 +1838,9 @@ out: int btrfs_release_file(struct inode *inode, struct file *filp) { - /* - * ordered_data_close is set by settattr when we are about to truncate - * a file from a non-zero size to a zero size. This tries to - * flush down new bytes that may have been written if the - * application were using truncate to replace a file in place. - */ - if (test_and_clear_bit(BTRFS_INODE_ORDERED_DATA_CLOSE, - &BTRFS_I(inode)->runtime_flags)) { - struct btrfs_trans_handle *trans; - struct btrfs_root *root = BTRFS_I(inode)->root; - - /* - * We need to block on a committing transaction to keep us from - * throwing a ordered operation on to the list and causing - * something like sync to deadlock trying to flush out this - * inode. - */ - trans = btrfs_start_transaction(root, 0); - if (IS_ERR(trans)) - return PTR_ERR(trans); - btrfs_add_ordered_operation(trans, BTRFS_I(inode)->root, inode); - btrfs_end_transaction(trans, root); - if (inode->i_size > BTRFS_ORDERED_OPERATIONS_FLUSH_LIMIT) - filemap_flush(inode->i_mapping); - } if (filp->private_data) btrfs_ioctl_trans_end(filp); + filemap_flush(inode->i_mapping); return 0; } diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c index 3668048e16f8..03708ef3deef 100644 --- a/fs/btrfs/inode.c +++ b/fs/btrfs/inode.c @@ -709,6 +709,18 @@ retry: unlock_extent(io_tree, async_extent->start, async_extent->start + async_extent->ram_size - 1); + + /* + * we need to redirty the pages if we decide to + * fallback to uncompressed IO, otherwise we + * will not submit these pages down to lower + * layers. + */ + extent_range_redirty_for_io(inode, + async_extent->start, + async_extent->start + + async_extent->ram_size - 1); + goto retry; } goto out_free; @@ -7939,27 +7951,6 @@ static int btrfs_truncate(struct inode *inode) BUG_ON(ret); /* - * setattr is responsible for setting the ordered_data_close flag, - * but that is only tested during the last file release. That - * could happen well after the next commit, leaving a great big - * window where new writes may get lost if someone chooses to write - * to this file after truncating to zero - * - * The inode doesn't have any dirty data here, and so if we commit - * this is a noop. If someone immediately starts writing to the inode - * it is very likely we'll catch some of their writes in this - * transaction, and the commit will find this file on the ordered - * data list with good things to send down. - * - * This is a best effort solution, there is still a window where - * using truncate to replace the contents of the file will - * end up with a zero length file after a crash. - */ - if (inode->i_size == 0 && test_bit(BTRFS_INODE_ORDERED_DATA_CLOSE, - &BTRFS_I(inode)->runtime_flags)) - btrfs_add_ordered_operation(trans, root, inode); - - /* * So if we truncate and then write and fsync we normally would just * write the extents that changed, which is a problem if we need to * first truncate that entire inode. So set this flag so we write out @@ -8106,7 +8097,6 @@ struct inode *btrfs_alloc_inode(struct super_block *sb) mutex_init(&ei->delalloc_mutex); btrfs_ordered_inode_tree_init(&ei->ordered_tree); INIT_LIST_HEAD(&ei->delalloc_inodes); - INIT_LIST_HEAD(&ei->ordered_operations); RB_CLEAR_NODE(&ei->rb_node); return inode; @@ -8146,17 +8136,6 @@ void btrfs_destroy_inode(struct inode *inode) if (!root) goto free; - /* - * Make sure we're properly removed from the ordered operation - * lists. - */ - smp_mb(); - if (!list_empty(&BTRFS_I(inode)->ordered_operations)) { - spin_lock(&root->fs_info->ordered_root_lock); - list_del_init(&BTRFS_I(inode)->ordered_operations); - spin_unlock(&root->fs_info->ordered_root_lock); - } - if (test_bit(BTRFS_INODE_HAS_ORPHAN_ITEM, &BTRFS_I(inode)->runtime_flags)) { btrfs_info(root->fs_info, "inode %llu still on the orphan list", @@ -8338,12 +8317,10 @@ static int btrfs_rename(struct inode *old_dir, struct dentry *old_dentry, ret = 0; /* - * we're using rename to replace one file with another. - * and the replacement file is large. Start IO on it now so - * we don't add too much work to the end of the transaction + * we're using rename to replace one file with another. Start IO on it + * now so we don't add too much work to the end of the transaction */ - if (new_inode && S_ISREG(old_inode->i_mode) && new_inode->i_size && - old_inode->i_size > BTRFS_ORDERED_OPERATIONS_FLUSH_LIMIT) + if (new_inode && S_ISREG(old_inode->i_mode) && new_inode->i_size) filemap_flush(old_inode->i_mapping); /* close the racy window with snapshot create/destroy ioctl */ @@ -8391,12 +8368,6 @@ static int btrfs_rename(struct inode *old_dir, struct dentry *old_dentry, */ btrfs_pin_log_trans(root); } - /* - * make sure the inode gets flushed if it is replacing - * something. - */ - if (new_inode && new_inode->i_size && S_ISREG(old_inode->i_mode)) - btrfs_add_ordered_operation(trans, root, old_inode); inode_inc_iversion(old_dir); inode_inc_iversion(new_dir); @@ -8476,6 +8447,16 @@ out_notrans: return ret; } +static int btrfs_rename2(struct inode *old_dir, struct dentry *old_dentry, + struct inode *new_dir, struct dentry *new_dentry, + unsigned int flags) +{ + if (flags & ~RENAME_NOREPLACE) + return -EINVAL; + + return btrfs_rename(old_dir, old_dentry, new_dir, new_dentry); +} + static void btrfs_run_delalloc_work(struct btrfs_work *work) { struct btrfs_delalloc_work *delalloc_work; @@ -9019,7 +9000,7 @@ static const struct inode_operations btrfs_dir_inode_operations = { .link = btrfs_link, .mkdir = btrfs_mkdir, .rmdir = btrfs_rmdir, - .rename = btrfs_rename, + .rename2 = btrfs_rename2, .symlink = btrfs_symlink, .setattr = btrfs_setattr, .mknod = btrfs_mknod, diff --git a/fs/btrfs/ordered-data.c b/fs/btrfs/ordered-data.c index 7187b14faa6c..963895c1f801 100644 --- a/fs/btrfs/ordered-data.c +++ b/fs/btrfs/ordered-data.c @@ -571,18 +571,6 @@ void btrfs_remove_ordered_extent(struct inode *inode, trace_btrfs_ordered_extent_remove(inode, entry); - /* - * we have no more ordered extents for this inode and - * no dirty pages. We can safely remove it from the - * list of ordered extents - */ - if (RB_EMPTY_ROOT(&tree->tree) && - !mapping_tagged(inode->i_mapping, PAGECACHE_TAG_DIRTY)) { - spin_lock(&root->fs_info->ordered_root_lock); - list_del_init(&BTRFS_I(inode)->ordered_operations); - spin_unlock(&root->fs_info->ordered_root_lock); - } - if (!root->nr_ordered_extents) { spin_lock(&root->fs_info->ordered_root_lock); BUG_ON(list_empty(&root->ordered_root)); @@ -687,81 +675,6 @@ void btrfs_wait_ordered_roots(struct btrfs_fs_info *fs_info, int nr) } /* - * this is used during transaction commit to write all the inodes - * added to the ordered operation list. These files must be fully on - * disk before the transaction commits. - * - * we have two modes here, one is to just start the IO via filemap_flush - * and the other is to wait for all the io. When we wait, we have an - * extra check to make sure the ordered operation list really is empty - * before we return - */ -int btrfs_run_ordered_operations(struct btrfs_trans_handle *trans, - struct btrfs_root *root, int wait) -{ - struct btrfs_inode *btrfs_inode; - struct inode *inode; - struct btrfs_transaction *cur_trans = trans->transaction; - struct list_head splice; - struct list_head works; - struct btrfs_delalloc_work *work, *next; - int ret = 0; - - INIT_LIST_HEAD(&splice); - INIT_LIST_HEAD(&works); - - mutex_lock(&root->fs_info->ordered_extent_flush_mutex); - spin_lock(&root->fs_info->ordered_root_lock); - list_splice_init(&cur_trans->ordered_operations, &splice); - while (!list_empty(&splice)) { - btrfs_inode = list_entry(splice.next, struct btrfs_inode, - ordered_operations); - inode = &btrfs_inode->vfs_inode; - - list_del_init(&btrfs_inode->ordered_operations); - - /* - * the inode may be getting freed (in sys_unlink path). - */ - inode = igrab(inode); - if (!inode) - continue; - - if (!wait) - list_add_tail(&BTRFS_I(inode)->ordered_operations, - &cur_trans->ordered_operations); - spin_unlock(&root->fs_info->ordered_root_lock); - - work = btrfs_alloc_delalloc_work(inode, wait, 1); - if (!work) { - spin_lock(&root->fs_info->ordered_root_lock); - if (list_empty(&BTRFS_I(inode)->ordered_operations)) - list_add_tail(&btrfs_inode->ordered_operations, - &splice); - list_splice_tail(&splice, - &cur_trans->ordered_operations); - spin_unlock(&root->fs_info->ordered_root_lock); - ret = -ENOMEM; - goto out; - } - list_add_tail(&work->list, &works); - btrfs_queue_work(root->fs_info->flush_workers, - &work->work); - - cond_resched(); - spin_lock(&root->fs_info->ordered_root_lock); - } - spin_unlock(&root->fs_info->ordered_root_lock); -out: - list_for_each_entry_safe(work, next, &works, list) { - list_del_init(&work->list); - btrfs_wait_and_free_delalloc_work(work); - } - mutex_unlock(&root->fs_info->ordered_extent_flush_mutex); - return ret; -} - -/* * Used to start IO or wait for a given ordered extent to finish. * * If wait is one, this effectively waits on page writeback for all the pages @@ -1120,42 +1033,6 @@ out: return index; } - -/* - * add a given inode to the list of inodes that must be fully on - * disk before a transaction commit finishes. - * - * This basically gives us the ext3 style data=ordered mode, and it is mostly - * used to make sure renamed files are fully on disk. - * - * It is a noop if the inode is already fully on disk. - * - * If trans is not null, we'll do a friendly check for a transaction that - * is already flushing things and force the IO down ourselves. - */ -void btrfs_add_ordered_operation(struct btrfs_trans_handle *trans, - struct btrfs_root *root, struct inode *inode) -{ - struct btrfs_transaction *cur_trans = trans->transaction; - u64 last_mod; - - last_mod = max(BTRFS_I(inode)->generation, BTRFS_I(inode)->last_trans); - - /* - * if this file hasn't been changed since the last transaction - * commit, we can safely return without doing anything - */ - if (last_mod <= root->fs_info->last_trans_committed) - return; - - spin_lock(&root->fs_info->ordered_root_lock); - if (list_empty(&BTRFS_I(inode)->ordered_operations)) { - list_add_tail(&BTRFS_I(inode)->ordered_operations, - &cur_trans->ordered_operations); - } - spin_unlock(&root->fs_info->ordered_root_lock); -} - int __init ordered_data_init(void) { btrfs_ordered_extent_cache = kmem_cache_create("btrfs_ordered_extent", diff --git a/fs/btrfs/ordered-data.h b/fs/btrfs/ordered-data.h index 246897058efb..d81a274d621e 100644 --- a/fs/btrfs/ordered-data.h +++ b/fs/btrfs/ordered-data.h @@ -190,11 +190,6 @@ int btrfs_ordered_update_i_size(struct inode *inode, u64 offset, struct btrfs_ordered_extent *ordered); int btrfs_find_ordered_sum(struct inode *inode, u64 offset, u64 disk_bytenr, u32 *sum, int len); -int btrfs_run_ordered_operations(struct btrfs_trans_handle *trans, - struct btrfs_root *root, int wait); -void btrfs_add_ordered_operation(struct btrfs_trans_handle *trans, - struct btrfs_root *root, - struct inode *inode); int btrfs_wait_ordered_extents(struct btrfs_root *root, int nr); void btrfs_wait_ordered_roots(struct btrfs_fs_info *fs_info, int nr); void btrfs_get_logged_extents(struct inode *inode, diff --git a/fs/btrfs/qgroup.c b/fs/btrfs/qgroup.c index 98cb6b2630f9..b497498484be 100644 --- a/fs/btrfs/qgroup.c +++ b/fs/btrfs/qgroup.c @@ -1201,6 +1201,50 @@ out: mutex_unlock(&fs_info->qgroup_ioctl_lock); return ret; } + +static int comp_oper_exist(struct btrfs_qgroup_operation *oper1, + struct btrfs_qgroup_operation *oper2) +{ + /* + * Ignore seq and type here, we're looking for any operation + * at all related to this extent on that root. + */ + if (oper1->bytenr < oper2->bytenr) + return -1; + if (oper1->bytenr > oper2->bytenr) + return 1; + if (oper1->ref_root < oper2->ref_root) + return -1; + if (oper1->ref_root > oper2->ref_root) + return 1; + return 0; +} + +static int qgroup_oper_exists(struct btrfs_fs_info *fs_info, + struct btrfs_qgroup_operation *oper) +{ + struct rb_node *n; + struct btrfs_qgroup_operation *cur; + int cmp; + + spin_lock(&fs_info->qgroup_op_lock); + n = fs_info->qgroup_op_tree.rb_node; + while (n) { + cur = rb_entry(n, struct btrfs_qgroup_operation, n); + cmp = comp_oper_exist(cur, oper); + if (cmp < 0) { + n = n->rb_right; + } else if (cmp) { + n = n->rb_left; + } else { + spin_unlock(&fs_info->qgroup_op_lock); + return -EEXIST; + } + } + spin_unlock(&fs_info->qgroup_op_lock); + return 0; +} + static int comp_oper(struct btrfs_qgroup_operation *oper1, struct btrfs_qgroup_operation *oper2) { @@ -1290,6 +1334,23 @@ int btrfs_qgroup_record_ref(struct btrfs_trans_handle *trans, oper->seq = atomic_inc_return(&fs_info->qgroup_op_seq); INIT_LIST_HEAD(&oper->elem.list); oper->elem.seq = 0; + + if (type == BTRFS_QGROUP_OPER_SUB_SUBTREE) { + /* + * If any operation for this bytenr/ref_root combo + * exists, then we know it's not exclusively owned and + * shouldn't be queued up. + * + * This also catches the case where we have a cloned + * extent that gets queued up multiple times during + * drop snapshot. + */ + if (qgroup_oper_exists(fs_info, oper)) { + kfree(oper); + return 0; + } + } + ret = insert_qgroup_oper(fs_info, oper); if (ret) { /* Shouldn't happen so have an assert for developers */ @@ -1884,6 +1945,111 @@ out: } /* + * Process a reference to a shared subtree. This type of operation is + * queued during snapshot removal when we encounter extents which are + * shared between more than one root. + */ +static int qgroup_subtree_accounting(struct btrfs_trans_handle *trans, + struct btrfs_fs_info *fs_info, + struct btrfs_qgroup_operation *oper) +{ + struct ulist *roots = NULL; + struct ulist_node *unode; + struct ulist_iterator uiter; + struct btrfs_qgroup_list *glist; + struct ulist *parents; + int ret = 0; + int err; + struct btrfs_qgroup *qg; + u64 root_obj = 0; + struct seq_list elem = {}; + + parents = ulist_alloc(GFP_NOFS); + if (!parents) + return -ENOMEM; + + btrfs_get_tree_mod_seq(fs_info, &elem); + ret = btrfs_find_all_roots(trans, fs_info, oper->bytenr, + elem.seq, &roots); + btrfs_put_tree_mod_seq(fs_info, &elem); + if (ret < 0) + return ret; + + if (roots->nnodes != 1) + goto out; + + ULIST_ITER_INIT(&uiter); + unode = ulist_next(roots, &uiter); /* Only want 1 so no need to loop */ + /* + * If we find our ref root then that means all refs + * this extent has to the root have not yet been + * deleted. In that case, we do nothing and let the + * last ref for this bytenr drive our update. + * + * This can happen for example if an extent is + * referenced multiple times in a snapshot (clone, + * etc). If we are in the middle of snapshot removal, + * queued updates for such an extent will find the + * root if we have not yet finished removing the + * snapshot. + */ + if (unode->val == oper->ref_root) + goto out; + + root_obj = unode->val; + BUG_ON(!root_obj); + + spin_lock(&fs_info->qgroup_lock); + qg = find_qgroup_rb(fs_info, root_obj); + if (!qg) + goto out_unlock; + + qg->excl += oper->num_bytes; + qg->excl_cmpr += oper->num_bytes; + qgroup_dirty(fs_info, qg); + + /* + * Adjust counts for parent groups. First we find all + * parents, then in the 2nd loop we do the adjustment + * while adding parents of the parents to our ulist. + */ + list_for_each_entry(glist, &qg->groups, next_group) { + err = ulist_add(parents, glist->group->qgroupid, + ptr_to_u64(glist->group), GFP_ATOMIC); + if (err < 0) { + ret = err; + goto out_unlock; + } + } + + ULIST_ITER_INIT(&uiter); + while ((unode = ulist_next(parents, &uiter))) { + qg = u64_to_ptr(unode->aux); + qg->excl += oper->num_bytes; + qg->excl_cmpr += oper->num_bytes; + qgroup_dirty(fs_info, qg); + + /* Add any parents of the parents */ + list_for_each_entry(glist, &qg->groups, next_group) { + err = ulist_add(parents, glist->group->qgroupid, + ptr_to_u64(glist->group), GFP_ATOMIC); + if (err < 0) { + ret = err; + goto out_unlock; + } + } + } + +out_unlock: + spin_unlock(&fs_info->qgroup_lock); + +out: + ulist_free(roots); + ulist_free(parents); + return ret; +} + +/* * btrfs_qgroup_account_ref is called for every ref that is added to or deleted * from the fs. First, all roots referencing the extent are searched, and * then the space is accounted accordingly to the different roots. The @@ -1920,6 +2086,9 @@ static int btrfs_qgroup_account(struct btrfs_trans_handle *trans, case BTRFS_QGROUP_OPER_SUB_SHARED: ret = qgroup_shared_accounting(trans, fs_info, oper); break; + case BTRFS_QGROUP_OPER_SUB_SUBTREE: + ret = qgroup_subtree_accounting(trans, fs_info, oper); + break; default: ASSERT(0); } diff --git a/fs/btrfs/qgroup.h b/fs/btrfs/qgroup.h index 5952ff1fbd7a..18cc68ca3090 100644 --- a/fs/btrfs/qgroup.h +++ b/fs/btrfs/qgroup.h @@ -44,6 +44,7 @@ enum btrfs_qgroup_operation_type { BTRFS_QGROUP_OPER_ADD_SHARED, BTRFS_QGROUP_OPER_SUB_EXCL, BTRFS_QGROUP_OPER_SUB_SHARED, + BTRFS_QGROUP_OPER_SUB_SUBTREE, }; struct btrfs_qgroup_operation { diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c index 8e16bca69c56..c4124de4435b 100644 --- a/fs/btrfs/super.c +++ b/fs/btrfs/super.c @@ -851,7 +851,6 @@ static struct dentry *get_default_root(struct super_block *sb, struct btrfs_path *path; struct btrfs_key location; struct inode *inode; - struct dentry *dentry; u64 dir_id; int new = 0; @@ -922,13 +921,7 @@ setup_root: return dget(sb->s_root); } - dentry = d_obtain_alias(inode); - if (!IS_ERR(dentry)) { - spin_lock(&dentry->d_lock); - dentry->d_flags &= ~DCACHE_DISCONNECTED; - spin_unlock(&dentry->d_lock); - } - return dentry; + return d_obtain_root(inode); } static int btrfs_fill_super(struct super_block *sb, @@ -1672,6 +1665,21 @@ static int btrfs_calc_avail_data_space(struct btrfs_root *root, u64 *free_bytes) return 0; } +/* + * Calculate numbers for 'df', pessimistic in case of mixed raid profiles. + * + * If there's a redundant raid level at DATA block groups, use the respective + * multiplier to scale the sizes. + * + * Unused device space usage is based on simulating the chunk allocator + * algorithm that respects the device sizes, order of allocations and the + * 'alloc_start' value, this is a close approximation of the actual use but + * there are other factors that may change the result (like a new metadata + * chunk). + * + * FIXME: not accurate for mixed block groups, total and free/used are ok, + * available appears slightly larger. + */ static int btrfs_statfs(struct dentry *dentry, struct kstatfs *buf) { struct btrfs_fs_info *fs_info = btrfs_sb(dentry->d_sb); @@ -1682,6 +1690,8 @@ static int btrfs_statfs(struct dentry *dentry, struct kstatfs *buf) u64 total_free_data = 0; int bits = dentry->d_sb->s_blocksize_bits; __be32 *fsid = (__be32 *)fs_info->fsid; + unsigned factor = 1; + struct btrfs_block_rsv *block_rsv = &fs_info->global_block_rsv; int ret; /* holding chunk_muext to avoid allocating new chunks */ @@ -1689,30 +1699,52 @@ static int btrfs_statfs(struct dentry *dentry, struct kstatfs *buf) rcu_read_lock(); list_for_each_entry_rcu(found, head, list) { if (found->flags & BTRFS_BLOCK_GROUP_DATA) { + int i; + total_free_data += found->disk_total - found->disk_used; total_free_data -= btrfs_account_ro_block_groups_free_space(found); + + for (i = 0; i < BTRFS_NR_RAID_TYPES; i++) { + if (!list_empty(&found->block_groups[i])) { + switch (i) { + case BTRFS_RAID_DUP: + case BTRFS_RAID_RAID1: + case BTRFS_RAID_RAID10: + factor = 2; + } + } + } } total_used += found->disk_used; } + rcu_read_unlock(); - buf->f_namelen = BTRFS_NAME_LEN; - buf->f_blocks = btrfs_super_total_bytes(disk_super) >> bits; - buf->f_bfree = buf->f_blocks - (total_used >> bits); - buf->f_bsize = dentry->d_sb->s_blocksize; - buf->f_type = BTRFS_SUPER_MAGIC; + buf->f_blocks = div_u64(btrfs_super_total_bytes(disk_super), factor); + buf->f_blocks >>= bits; + buf->f_bfree = buf->f_blocks - (div_u64(total_used, factor) >> bits); + + /* Account global block reserve as used, it's in logical size already */ + spin_lock(&block_rsv->lock); + buf->f_bfree -= block_rsv->size >> bits; + spin_unlock(&block_rsv->lock); + buf->f_bavail = total_free_data; ret = btrfs_calc_avail_data_space(fs_info->tree_root, &total_free_data); if (ret) { mutex_unlock(&fs_info->chunk_mutex); return ret; } - buf->f_bavail += total_free_data; + buf->f_bavail += div_u64(total_free_data, factor); buf->f_bavail = buf->f_bavail >> bits; mutex_unlock(&fs_info->chunk_mutex); + buf->f_type = BTRFS_SUPER_MAGIC; + buf->f_bsize = dentry->d_sb->s_blocksize; + buf->f_namelen = BTRFS_NAME_LEN; + /* We treat it as constant endianness (it doesn't matter _which_) because we want the fsid to come out the same whether mounted on a big-endian or little-endian host */ diff --git a/fs/btrfs/transaction.c b/fs/btrfs/transaction.c index 5f379affdf23..d89c6d3542ca 100644 --- a/fs/btrfs/transaction.c +++ b/fs/btrfs/transaction.c @@ -218,7 +218,6 @@ loop: spin_lock_init(&cur_trans->delayed_refs.lock); INIT_LIST_HEAD(&cur_trans->pending_snapshots); - INIT_LIST_HEAD(&cur_trans->ordered_operations); INIT_LIST_HEAD(&cur_trans->pending_chunks); INIT_LIST_HEAD(&cur_trans->switch_commits); list_add_tail(&cur_trans->list, &fs_info->trans_list); @@ -1612,27 +1611,6 @@ static void cleanup_transaction(struct btrfs_trans_handle *trans, kmem_cache_free(btrfs_trans_handle_cachep, trans); } -static int btrfs_flush_all_pending_stuffs(struct btrfs_trans_handle *trans, - struct btrfs_root *root) -{ - int ret; - - ret = btrfs_run_delayed_items(trans, root); - if (ret) - return ret; - - /* - * rename don't use btrfs_join_transaction, so, once we - * set the transaction to blocked above, we aren't going - * to get any new ordered operations. We can safely run - * it here and no for sure that nothing new will be added - * to the list - */ - ret = btrfs_run_ordered_operations(trans, root, 1); - - return ret; -} - static inline int btrfs_start_delalloc_flush(struct btrfs_fs_info *fs_info) { if (btrfs_test_opt(fs_info->tree_root, FLUSHONCOMMIT)) @@ -1653,13 +1631,6 @@ int btrfs_commit_transaction(struct btrfs_trans_handle *trans, struct btrfs_transaction *prev_trans = NULL; int ret; - ret = btrfs_run_ordered_operations(trans, root, 0); - if (ret) { - btrfs_abort_transaction(trans, root, ret); - btrfs_end_transaction(trans, root); - return ret; - } - /* Stop the commit early if ->aborted is set */ if (unlikely(ACCESS_ONCE(cur_trans->aborted))) { ret = cur_trans->aborted; @@ -1740,7 +1711,7 @@ int btrfs_commit_transaction(struct btrfs_trans_handle *trans, if (ret) goto cleanup_transaction; - ret = btrfs_flush_all_pending_stuffs(trans, root); + ret = btrfs_run_delayed_items(trans, root); if (ret) goto cleanup_transaction; @@ -1748,7 +1719,7 @@ int btrfs_commit_transaction(struct btrfs_trans_handle *trans, extwriter_counter_read(cur_trans) == 0); /* some pending stuffs might be added after the previous flush. */ - ret = btrfs_flush_all_pending_stuffs(trans, root); + ret = btrfs_run_delayed_items(trans, root); if (ret) goto cleanup_transaction; diff --git a/fs/btrfs/transaction.h b/fs/btrfs/transaction.h index 7dd558ed0716..579be51b27e5 100644 --- a/fs/btrfs/transaction.h +++ b/fs/btrfs/transaction.h @@ -55,7 +55,6 @@ struct btrfs_transaction { wait_queue_head_t writer_wait; wait_queue_head_t commit_wait; struct list_head pending_snapshots; - struct list_head ordered_operations; struct list_head pending_chunks; struct list_head switch_commits; struct btrfs_delayed_ref_root delayed_refs; diff --git a/fs/btrfs/ulist.h b/fs/btrfs/ulist.h index 7f78cbf5cf41..4c29db604bbe 100644 --- a/fs/btrfs/ulist.h +++ b/fs/btrfs/ulist.h @@ -57,6 +57,21 @@ void ulist_free(struct ulist *ulist); int ulist_add(struct ulist *ulist, u64 val, u64 aux, gfp_t gfp_mask); int ulist_add_merge(struct ulist *ulist, u64 val, u64 aux, u64 *old_aux, gfp_t gfp_mask); + +/* just like ulist_add_merge() but take a pointer for the aux data */ +static inline int ulist_add_merge_ptr(struct ulist *ulist, u64 val, void *aux, + void **old_aux, gfp_t gfp_mask) +{ +#if BITS_PER_LONG == 32 + u64 old64 = (uintptr_t)*old_aux; + int ret = ulist_add_merge(ulist, val, (uintptr_t)aux, &old64, gfp_mask); + *old_aux = (void *)((uintptr_t)old64); + return ret; +#else + return ulist_add_merge(ulist, val, (u64)aux, (u64 *)old_aux, gfp_mask); +#endif +} + struct ulist_node *ulist_next(struct ulist *ulist, struct ulist_iterator *uiter); diff --git a/fs/ceph/acl.c b/fs/ceph/acl.c index 469f2e8657e8..cebf2ebefb55 100644 --- a/fs/ceph/acl.c +++ b/fs/ceph/acl.c @@ -172,14 +172,24 @@ out: int ceph_init_acl(struct dentry *dentry, struct inode *inode, struct inode *dir) { struct posix_acl *default_acl, *acl; + umode_t new_mode = inode->i_mode; int error; - error = posix_acl_create(dir, &inode->i_mode, &default_acl, &acl); + error = posix_acl_create(dir, &new_mode, &default_acl, &acl); if (error) return error; - if (!default_acl && !acl) + if (!default_acl && !acl) { cache_no_acl(inode); + if (new_mode != inode->i_mode) { + struct iattr newattrs = { + .ia_mode = new_mode, + .ia_valid = ATTR_MODE, + }; + error = ceph_setattr(dentry, &newattrs); + } + return error; + } if (default_acl) { error = ceph_set_acl(inode, default_acl, ACL_TYPE_DEFAULT); diff --git a/fs/ceph/caps.c b/fs/ceph/caps.c index 1fde164b74b5..6d1cd45dca89 100644 --- a/fs/ceph/caps.c +++ b/fs/ceph/caps.c @@ -3277,7 +3277,7 @@ int ceph_encode_inode_release(void **p, struct inode *inode, rel->ino = cpu_to_le64(ceph_ino(inode)); rel->cap_id = cpu_to_le64(cap->cap_id); rel->seq = cpu_to_le32(cap->seq); - rel->issue_seq = cpu_to_le32(cap->issue_seq), + rel->issue_seq = cpu_to_le32(cap->issue_seq); rel->mseq = cpu_to_le32(cap->mseq); rel->caps = cpu_to_le32(cap->implemented); rel->wanted = cpu_to_le32(cap->mds_wanted); diff --git a/fs/ceph/file.c b/fs/ceph/file.c index 302085100c28..2eb02f80a0ab 100644 --- a/fs/ceph/file.c +++ b/fs/ceph/file.c @@ -423,6 +423,9 @@ static ssize_t ceph_sync_read(struct kiocb *iocb, struct iov_iter *i, dout("sync_read on file %p %llu~%u %s\n", file, off, (unsigned)len, (file->f_flags & O_DIRECT) ? "O_DIRECT" : ""); + + if (!len) + return 0; /* * flush any page cache pages in this range. this * will make concurrent normal and sync io slow, @@ -470,8 +473,11 @@ static ssize_t ceph_sync_read(struct kiocb *iocb, struct iov_iter *i, size_t left = ret; while (left) { - int copy = min_t(size_t, PAGE_SIZE, left); - l = copy_page_to_iter(pages[k++], 0, copy, i); + size_t page_off = off & ~PAGE_MASK; + size_t copy = min_t(size_t, + PAGE_SIZE - page_off, left); + l = copy_page_to_iter(pages[k++], page_off, + copy, i); off += l; left -= l; if (l < copy) @@ -531,7 +537,7 @@ static void ceph_sync_write_unsafe(struct ceph_osd_request *req, bool unsafe) * objects, rollback on failure, etc.) */ static ssize_t -ceph_sync_direct_write(struct kiocb *iocb, struct iov_iter *from) +ceph_sync_direct_write(struct kiocb *iocb, struct iov_iter *from, loff_t pos) { struct file *file = iocb->ki_filp; struct inode *inode = file_inode(file); @@ -547,7 +553,6 @@ ceph_sync_direct_write(struct kiocb *iocb, struct iov_iter *from) int check_caps = 0; int ret; struct timespec mtime = CURRENT_TIME; - loff_t pos = iocb->ki_pos; size_t count = iov_iter_count(from); if (ceph_snap(file_inode(file)) != CEPH_NOSNAP) @@ -646,7 +651,8 @@ ceph_sync_direct_write(struct kiocb *iocb, struct iov_iter *from) * correct atomic write, we should e.g. take write locks on all * objects, rollback on failure, etc.) */ -static ssize_t ceph_sync_write(struct kiocb *iocb, struct iov_iter *from) +static ssize_t +ceph_sync_write(struct kiocb *iocb, struct iov_iter *from, loff_t pos) { struct file *file = iocb->ki_filp; struct inode *inode = file_inode(file); @@ -663,7 +669,6 @@ static ssize_t ceph_sync_write(struct kiocb *iocb, struct iov_iter *from) int check_caps = 0; int ret; struct timespec mtime = CURRENT_TIME; - loff_t pos = iocb->ki_pos; size_t count = iov_iter_count(from); if (ceph_snap(file_inode(file)) != CEPH_NOSNAP) @@ -918,9 +923,9 @@ retry_snap: /* we might need to revert back to that point */ data = *from; if (file->f_flags & O_DIRECT) - written = ceph_sync_direct_write(iocb, &data); + written = ceph_sync_direct_write(iocb, &data, pos); else - written = ceph_sync_write(iocb, &data); + written = ceph_sync_write(iocb, &data, pos); if (written == -EOLDSNAPC) { dout("aio_write %p %llx.%llx %llu~%u" "got EOLDSNAPC, retrying\n", @@ -1177,6 +1182,9 @@ static long ceph_fallocate(struct file *file, int mode, loff_t endoff = 0; loff_t size; + if (mode & ~(FALLOC_FL_KEEP_SIZE | FALLOC_FL_PUNCH_HOLE)) + return -EOPNOTSUPP; + if (!S_ISREG(inode->i_mode)) return -EOPNOTSUPP; diff --git a/fs/ceph/mds_client.c b/fs/ceph/mds_client.c index 92a2548278fc..bad07c09f91e 100644 --- a/fs/ceph/mds_client.c +++ b/fs/ceph/mds_client.c @@ -1904,6 +1904,7 @@ static int __prepare_send_request(struct ceph_mds_client *mdsc, req->r_tid, ceph_mds_op_name(req->r_op), req->r_attempts); if (req->r_got_unsafe) { + void *p; /* * Replay. Do not regenerate message (and rebuild * paths, etc.); just use the original message. @@ -1924,8 +1925,13 @@ static int __prepare_send_request(struct ceph_mds_client *mdsc, /* remove cap/dentry releases from message */ rhead->num_releases = 0; - msg->hdr.front_len = cpu_to_le32(req->r_request_release_offset); - msg->front.iov_len = req->r_request_release_offset; + + /* time stamp */ + p = msg->front.iov_base + req->r_request_release_offset; + ceph_encode_copy(&p, &req->r_stamp, sizeof(req->r_stamp)); + + msg->front.iov_len = p - msg->front.iov_base; + msg->hdr.front_len = cpu_to_le32(msg->front.iov_len); return 0; } @@ -2061,11 +2067,12 @@ static void __wake_requests(struct ceph_mds_client *mdsc, static void kick_requests(struct ceph_mds_client *mdsc, int mds) { struct ceph_mds_request *req; - struct rb_node *p; + struct rb_node *p = rb_first(&mdsc->request_tree); dout("kick_requests mds%d\n", mds); - for (p = rb_first(&mdsc->request_tree); p; p = rb_next(p)) { + while (p) { req = rb_entry(p, struct ceph_mds_request, r_node); + p = rb_next(p); if (req->r_got_unsafe) continue; if (req->r_session && @@ -2248,6 +2255,7 @@ static void handle_reply(struct ceph_mds_session *session, struct ceph_msg *msg) */ if (result == -ESTALE) { dout("got ESTALE on request %llu", req->r_tid); + req->r_resend_mds = -1; if (req->r_direct_mode != USE_AUTH_MDS) { dout("not using auth, setting for that now"); req->r_direct_mode = USE_AUTH_MDS; diff --git a/fs/ceph/super.c b/fs/ceph/super.c index 06150fd745ac..f6e12377335c 100644 --- a/fs/ceph/super.c +++ b/fs/ceph/super.c @@ -755,7 +755,7 @@ static struct dentry *open_root_dentry(struct ceph_fs_client *fsc, goto out; } } else { - root = d_obtain_alias(inode); + root = d_obtain_root(inode); } ceph_init_dentry(root); dout("open_root_inode success, root dentry is %p\n", root); diff --git a/fs/ceph/xattr.c b/fs/ceph/xattr.c index c9c2b887381e..12f58d22e017 100644 --- a/fs/ceph/xattr.c +++ b/fs/ceph/xattr.c @@ -592,12 +592,12 @@ start: xattr_version = ci->i_xattrs.version; spin_unlock(&ci->i_ceph_lock); - xattrs = kcalloc(numattr, sizeof(struct ceph_xattr *), + xattrs = kcalloc(numattr, sizeof(struct ceph_inode_xattr *), GFP_NOFS); err = -ENOMEM; if (!xattrs) goto bad_lock; - memset(xattrs, 0, numattr*sizeof(struct ceph_xattr *)); + for (i = 0; i < numattr; i++) { xattrs[i] = kmalloc(sizeof(struct ceph_inode_xattr), GFP_NOFS); diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c index 155347e190f9..889b98455750 100644 --- a/fs/cifs/cifsfs.c +++ b/fs/cifs/cifsfs.c @@ -862,7 +862,7 @@ const struct inode_operations cifs_dir_inode_ops = { .link = cifs_hardlink, .mkdir = cifs_mkdir, .rmdir = cifs_rmdir, - .rename = cifs_rename, + .rename2 = cifs_rename2, .permission = cifs_permission, /* revalidate:cifs_revalidate, */ .setattr = cifs_setattr, diff --git a/fs/cifs/cifsfs.h b/fs/cifs/cifsfs.h index 560480263336..b0fafa499505 100644 --- a/fs/cifs/cifsfs.h +++ b/fs/cifs/cifsfs.h @@ -68,8 +68,8 @@ extern int cifs_hardlink(struct dentry *, struct inode *, struct dentry *); extern int cifs_mknod(struct inode *, struct dentry *, umode_t, dev_t); extern int cifs_mkdir(struct inode *, struct dentry *, umode_t); extern int cifs_rmdir(struct inode *, struct dentry *); -extern int cifs_rename(struct inode *, struct dentry *, struct inode *, - struct dentry *); +extern int cifs_rename2(struct inode *, struct dentry *, struct inode *, + struct dentry *, unsigned int); extern int cifs_revalidate_file_attr(struct file *filp); extern int cifs_revalidate_dentry_attr(struct dentry *); extern int cifs_revalidate_file(struct file *filp); diff --git a/fs/cifs/inode.c b/fs/cifs/inode.c index 753e7a3486de..949ec909ec9a 100644 --- a/fs/cifs/inode.c +++ b/fs/cifs/inode.c @@ -1627,8 +1627,9 @@ do_rename_exit: } int -cifs_rename(struct inode *source_dir, struct dentry *source_dentry, - struct inode *target_dir, struct dentry *target_dentry) +cifs_rename2(struct inode *source_dir, struct dentry *source_dentry, + struct inode *target_dir, struct dentry *target_dentry, + unsigned int flags) { char *from_name = NULL; char *to_name = NULL; @@ -1640,6 +1641,9 @@ cifs_rename(struct inode *source_dir, struct dentry *source_dentry, unsigned int xid; int rc, tmprc; + if (flags & ~RENAME_NOREPLACE) + return -EINVAL; + cifs_sb = CIFS_SB(source_dir->i_sb); tlink = cifs_sb_tlink(cifs_sb); if (IS_ERR(tlink)) @@ -1667,6 +1671,12 @@ cifs_rename(struct inode *source_dir, struct dentry *source_dentry, rc = cifs_do_rename(xid, source_dentry, from_name, target_dentry, to_name); + /* + * No-replace is the natural behavior for CIFS, so skip unlink hacks. + */ + if (flags & RENAME_NOREPLACE) + goto cifs_rename_exit; + if (rc == -EEXIST && tcon->unix_ext) { /* * Are src and dst hardlinks of same inode? We can only tell diff --git a/fs/dcache.c b/fs/dcache.c index 06f65857a855..d30ce699ae4b 100644 --- a/fs/dcache.c +++ b/fs/dcache.c @@ -731,8 +731,6 @@ EXPORT_SYMBOL(dget_parent); /** * d_find_alias - grab a hashed alias of inode * @inode: inode in question - * @want_discon: flag, used by d_splice_alias, to request - * that only a DISCONNECTED alias be returned. * * If inode has a hashed alias, or is a directory and has any alias, * acquire the reference to alias and return it. Otherwise return NULL. @@ -741,10 +739,9 @@ EXPORT_SYMBOL(dget_parent); * of a filesystem. * * If the inode has an IS_ROOT, DCACHE_DISCONNECTED alias, then prefer - * any other hashed alias over that one unless @want_discon is set, - * in which case only return an IS_ROOT, DCACHE_DISCONNECTED alias. + * any other hashed alias over that one. */ -static struct dentry *__d_find_alias(struct inode *inode, int want_discon) +static struct dentry *__d_find_alias(struct inode *inode) { struct dentry *alias, *discon_alias; @@ -756,7 +753,7 @@ again: if (IS_ROOT(alias) && (alias->d_flags & DCACHE_DISCONNECTED)) { discon_alias = alias; - } else if (!want_discon) { + } else { __dget_dlock(alias); spin_unlock(&alias->d_lock); return alias; @@ -768,12 +765,9 @@ again: alias = discon_alias; spin_lock(&alias->d_lock); if (S_ISDIR(inode->i_mode) || !d_unhashed(alias)) { - if (IS_ROOT(alias) && - (alias->d_flags & DCACHE_DISCONNECTED)) { - __dget_dlock(alias); - spin_unlock(&alias->d_lock); - return alias; - } + __dget_dlock(alias); + spin_unlock(&alias->d_lock); + return alias; } spin_unlock(&alias->d_lock); goto again; @@ -787,7 +781,7 @@ struct dentry *d_find_alias(struct inode *inode) if (!hlist_empty(&inode->i_dentry)) { spin_lock(&inode->i_lock); - de = __d_find_alias(inode, 0); + de = __d_find_alias(inode); spin_unlock(&inode->i_lock); } return de; @@ -1781,25 +1775,7 @@ struct dentry *d_find_any_alias(struct inode *inode) } EXPORT_SYMBOL(d_find_any_alias); -/** - * d_obtain_alias - find or allocate a dentry for a given inode - * @inode: inode to allocate the dentry for - * - * Obtain a dentry for an inode resulting from NFS filehandle conversion or - * similar open by handle operations. The returned dentry may be anonymous, - * or may have a full name (if the inode was already in the cache). - * - * When called on a directory inode, we must ensure that the inode only ever - * has one dentry. If a dentry is found, that is returned instead of - * allocating a new one. - * - * On successful return, the reference to the inode has been transferred - * to the dentry. In case of an error the reference on the inode is released. - * To make it easier to use in export operations a %NULL or IS_ERR inode may - * be passed in and will be the error will be propagate to the return value, - * with a %NULL @inode replaced by ERR_PTR(-ESTALE). - */ -struct dentry *d_obtain_alias(struct inode *inode) +static struct dentry *__d_obtain_alias(struct inode *inode, int disconnected) { static const struct qstr anonstring = QSTR_INIT("/", 1); struct dentry *tmp; @@ -1830,7 +1806,10 @@ struct dentry *d_obtain_alias(struct inode *inode) } /* attach a disconnected dentry */ - add_flags = d_flags_for_inode(inode) | DCACHE_DISCONNECTED; + add_flags = d_flags_for_inode(inode); + + if (disconnected) + add_flags |= DCACHE_DISCONNECTED; spin_lock(&tmp->d_lock); tmp->d_inode = inode; @@ -1851,59 +1830,51 @@ struct dentry *d_obtain_alias(struct inode *inode) iput(inode); return res; } -EXPORT_SYMBOL(d_obtain_alias); /** - * d_splice_alias - splice a disconnected dentry into the tree if one exists - * @inode: the inode which may have a disconnected dentry - * @dentry: a negative dentry which we want to point to the inode. - * - * If inode is a directory and has a 'disconnected' dentry (i.e. IS_ROOT and - * DCACHE_DISCONNECTED), then d_move that in place of the given dentry - * and return it, else simply d_add the inode to the dentry and return NULL. + * d_obtain_alias - find or allocate a DISCONNECTED dentry for a given inode + * @inode: inode to allocate the dentry for * - * This is needed in the lookup routine of any filesystem that is exportable - * (via knfsd) so that we can build dcache paths to directories effectively. + * Obtain a dentry for an inode resulting from NFS filehandle conversion or + * similar open by handle operations. The returned dentry may be anonymous, + * or may have a full name (if the inode was already in the cache). * - * If a dentry was found and moved, then it is returned. Otherwise NULL - * is returned. This matches the expected return value of ->lookup. + * When called on a directory inode, we must ensure that the inode only ever + * has one dentry. If a dentry is found, that is returned instead of + * allocating a new one. * - * Cluster filesystems may call this function with a negative, hashed dentry. - * In that case, we know that the inode will be a regular file, and also this - * will only occur during atomic_open. So we need to check for the dentry - * being already hashed only in the final case. + * On successful return, the reference to the inode has been transferred + * to the dentry. In case of an error the reference on the inode is released. + * To make it easier to use in export operations a %NULL or IS_ERR inode may + * be passed in and the error will be propagated to the return value, + * with a %NULL @inode replaced by ERR_PTR(-ESTALE). */ -struct dentry *d_splice_alias(struct inode *inode, struct dentry *dentry) +struct dentry *d_obtain_alias(struct inode *inode) { - struct dentry *new = NULL; - - if (IS_ERR(inode)) - return ERR_CAST(inode); + return __d_obtain_alias(inode, 1); +} +EXPORT_SYMBOL(d_obtain_alias); - if (inode && S_ISDIR(inode->i_mode)) { - spin_lock(&inode->i_lock); - new = __d_find_alias(inode, 1); - if (new) { - BUG_ON(!(new->d_flags & DCACHE_DISCONNECTED)); - spin_unlock(&inode->i_lock); - security_d_instantiate(new, inode); - d_move(new, dentry); - iput(inode); - } else { - /* already taking inode->i_lock, so d_add() by hand */ - __d_instantiate(dentry, inode); - spin_unlock(&inode->i_lock); - security_d_instantiate(dentry, inode); - d_rehash(dentry); - } - } else { - d_instantiate(dentry, inode); - if (d_unhashed(dentry)) - d_rehash(dentry); - } - return new; +/** + * d_obtain_root - find or allocate a dentry for a given inode + * @inode: inode to allocate the dentry for + * + * Obtain an IS_ROOT dentry for the root of a filesystem. + * + * We must ensure that directory inodes only ever have one dentry. If a + * dentry is found, that is returned instead of allocating a new one. + * + * On successful return, the reference to the inode has been transferred + * to the dentry. In case of an error the reference on the inode is + * released. A %NULL or IS_ERR inode may be passed in and will be the + * error will be propagate to the return value, with a %NULL @inode + * replaced by ERR_PTR(-ESTALE). + */ +struct dentry *d_obtain_root(struct inode *inode) +{ + return __d_obtain_alias(inode, 0); } -EXPORT_SYMBOL(d_splice_alias); +EXPORT_SYMBOL(d_obtain_root); /** * d_add_ci - lookup or allocate new dentry with case-exact name @@ -2697,6 +2668,75 @@ static void __d_materialise_dentry(struct dentry *dentry, struct dentry *anon) } /** + * d_splice_alias - splice a disconnected dentry into the tree if one exists + * @inode: the inode which may have a disconnected dentry + * @dentry: a negative dentry which we want to point to the inode. + * + * If inode is a directory and has an IS_ROOT alias, then d_move that in + * place of the given dentry and return it, else simply d_add the inode + * to the dentry and return NULL. + * + * If a non-IS_ROOT directory is found, the filesystem is corrupt, and + * we should error out: directories can't have multiple aliases. + * + * This is needed in the lookup routine of any filesystem that is exportable + * (via knfsd) so that we can build dcache paths to directories effectively. + * + * If a dentry was found and moved, then it is returned. Otherwise NULL + * is returned. This matches the expected return value of ->lookup. + * + * Cluster filesystems may call this function with a negative, hashed dentry. + * In that case, we know that the inode will be a regular file, and also this + * will only occur during atomic_open. So we need to check for the dentry + * being already hashed only in the final case. + */ +struct dentry *d_splice_alias(struct inode *inode, struct dentry *dentry) +{ + struct dentry *new = NULL; + + if (IS_ERR(inode)) + return ERR_CAST(inode); + + if (inode && S_ISDIR(inode->i_mode)) { + spin_lock(&inode->i_lock); + new = __d_find_any_alias(inode); + if (new) { + if (!IS_ROOT(new)) { + spin_unlock(&inode->i_lock); + dput(new); + return ERR_PTR(-EIO); + } + if (d_ancestor(new, dentry)) { + spin_unlock(&inode->i_lock); + dput(new); + return ERR_PTR(-EIO); + } + write_seqlock(&rename_lock); + __d_materialise_dentry(dentry, new); + write_sequnlock(&rename_lock); + __d_drop(new); + _d_rehash(new); + spin_unlock(&new->d_lock); + spin_unlock(&inode->i_lock); + security_d_instantiate(new, inode); + iput(inode); + } else { + /* already taking inode->i_lock, so d_add() by hand */ + __d_instantiate(dentry, inode); + spin_unlock(&inode->i_lock); + security_d_instantiate(dentry, inode); + d_rehash(dentry); + } + } else { + d_instantiate(dentry, inode); + if (d_unhashed(dentry)) + d_rehash(dentry); + } + return new; +} +EXPORT_SYMBOL(d_splice_alias); + +/** * d_materialise_unique - introduce an inode into the tree * @dentry: candidate dentry * @inode: inode to bind to the dentry, to which aliases may be attached @@ -2724,7 +2764,7 @@ struct dentry *d_materialise_unique(struct dentry *dentry, struct inode *inode) struct dentry *alias; /* Does an aliased dentry already exist? */ - alias = __d_find_alias(inode, 0); + alias = __d_find_alias(inode); if (alias) { actual = alias; write_seqlock(&rename_lock); diff --git a/fs/direct-io.c b/fs/direct-io.c index 17e39b047de5..c3116404ab49 100644 --- a/fs/direct-io.c +++ b/fs/direct-io.c @@ -158,7 +158,7 @@ static inline int dio_refill_pages(struct dio *dio, struct dio_submit *sdio) { ssize_t ret; - ret = iov_iter_get_pages(sdio->iter, dio->pages, DIO_PAGES * PAGE_SIZE, + ret = iov_iter_get_pages(sdio->iter, dio->pages, DIO_PAGES, &sdio->from); if (ret < 0 && sdio->blocks_available && (dio->rw & WRITE)) { diff --git a/fs/ext2/super.c b/fs/ext2/super.c index 3750031cfa2f..b88edc05c230 100644 --- a/fs/ext2/super.c +++ b/fs/ext2/super.c @@ -161,7 +161,7 @@ static struct kmem_cache * ext2_inode_cachep; static struct inode *ext2_alloc_inode(struct super_block *sb) { struct ext2_inode_info *ei; - ei = (struct ext2_inode_info *)kmem_cache_alloc(ext2_inode_cachep, GFP_KERNEL); + ei = kmem_cache_alloc(ext2_inode_cachep, GFP_KERNEL); if (!ei) return NULL; ei->i_block_alloc_info = NULL; diff --git a/fs/ext3/super.c b/fs/ext3/super.c index 08cdfe5461e3..622e88249024 100644 --- a/fs/ext3/super.c +++ b/fs/ext3/super.c @@ -2828,8 +2828,9 @@ static int ext3_statfs (struct dentry * dentry, struct kstatfs * buf) */ overhead += ngroups * (2 + sbi->s_itb_per_group); - /* Add the journal blocks as well */ - overhead += sbi->s_journal->j_maxlen; + /* Add the internal journal blocks as well */ + if (sbi->s_journal && !sbi->journal_bdev) + overhead += sbi->s_journal->j_maxlen; sbi->s_overhead_last = overhead; smp_wmb(); diff --git a/fs/ext4/namei.c b/fs/ext4/namei.c index 3520ab8a6639..b147a67baa0d 100644 --- a/fs/ext4/namei.c +++ b/fs/ext4/namei.c @@ -3455,7 +3455,6 @@ const struct inode_operations ext4_dir_inode_operations = { .rmdir = ext4_rmdir, .mknod = ext4_mknod, .tmpfile = ext4_tmpfile, - .rename = ext4_rename, .rename2 = ext4_rename2, .setattr = ext4_setattr, .setxattr = generic_setxattr, diff --git a/fs/fs_pin.c b/fs/fs_pin.c new file mode 100644 index 000000000000..9368236ca100 --- /dev/null +++ b/fs/fs_pin.c @@ -0,0 +1,78 @@ +#include <linux/fs.h> +#include <linux/slab.h> +#include <linux/fs_pin.h> +#include "internal.h" +#include "mount.h" + +static void pin_free_rcu(struct rcu_head *head) +{ + kfree(container_of(head, struct fs_pin, rcu)); +} + +static DEFINE_SPINLOCK(pin_lock); + +void pin_put(struct fs_pin *p) +{ + if (atomic_long_dec_and_test(&p->count)) + call_rcu(&p->rcu, pin_free_rcu); +} + +void pin_remove(struct fs_pin *pin) +{ + spin_lock(&pin_lock); + hlist_del(&pin->m_list); + hlist_del(&pin->s_list); + spin_unlock(&pin_lock); +} + +void pin_insert(struct fs_pin *pin, struct vfsmount *m) +{ + spin_lock(&pin_lock); + hlist_add_head(&pin->s_list, &m->mnt_sb->s_pins); + hlist_add_head(&pin->m_list, &real_mount(m)->mnt_pins); + spin_unlock(&pin_lock); +} + +void mnt_pin_kill(struct mount *m) +{ + while (1) { + struct hlist_node *p; + struct fs_pin *pin; + rcu_read_lock(); + p = ACCESS_ONCE(m->mnt_pins.first); + if (!p) { + rcu_read_unlock(); + break; + } + pin = hlist_entry(p, struct fs_pin, m_list); + if (!atomic_long_inc_not_zero(&pin->count)) { + rcu_read_unlock(); + cpu_relax(); + continue; + } + rcu_read_unlock(); + pin->kill(pin); + } +} + +void sb_pin_kill(struct super_block *sb) +{ + while (1) { + struct hlist_node *p; + struct fs_pin *pin; + rcu_read_lock(); + p = ACCESS_ONCE(sb->s_pins.first); + if (!p) { + rcu_read_unlock(); + break; + } + pin = hlist_entry(p, struct fs_pin, s_list); + if (!atomic_long_inc_not_zero(&pin->count)) { + rcu_read_unlock(); + cpu_relax(); + continue; + } + rcu_read_unlock(); + pin->kill(pin); + } +} diff --git a/fs/fuse/dir.c b/fs/fuse/dir.c index 0c6048247a34..de1d84af9f7c 100644 --- a/fs/fuse/dir.c +++ b/fs/fuse/dir.c @@ -845,12 +845,6 @@ static int fuse_rename2(struct inode *olddir, struct dentry *oldent, return err; } -static int fuse_rename(struct inode *olddir, struct dentry *oldent, - struct inode *newdir, struct dentry *newent) -{ - return fuse_rename2(olddir, oldent, newdir, newent, 0); -} - static int fuse_link(struct dentry *entry, struct inode *newdir, struct dentry *newent) { @@ -2024,7 +2018,6 @@ static const struct inode_operations fuse_dir_inode_operations = { .symlink = fuse_symlink, .unlink = fuse_unlink, .rmdir = fuse_rmdir, - .rename = fuse_rename, .rename2 = fuse_rename2, .link = fuse_link, .setattr = fuse_setattr, diff --git a/fs/fuse/file.c b/fs/fuse/file.c index 40ac2628ddcf..912061ac4baf 100644 --- a/fs/fuse/file.c +++ b/fs/fuse/file.c @@ -1303,10 +1303,10 @@ static int fuse_get_user_pages(struct fuse_req *req, struct iov_iter *ii, while (nbytes < *nbytesp && req->num_pages < req->max_pages) { unsigned npages; size_t start; - unsigned n = req->max_pages - req->num_pages; ssize_t ret = iov_iter_get_pages(ii, &req->pages[req->num_pages], - n * PAGE_SIZE, &start); + req->max_pages - req->num_pages, + &start); if (ret < 0) return ret; diff --git a/fs/hostfs/hostfs.h b/fs/hostfs/hostfs.h index 9c88da0e855a..4fcd40d6f308 100644 --- a/fs/hostfs/hostfs.h +++ b/fs/hostfs/hostfs.h @@ -89,6 +89,7 @@ extern int do_mknod(const char *file, int mode, unsigned int major, extern int link_file(const char *from, const char *to); extern int hostfs_do_readlink(char *file, char *buf, int size); extern int rename_file(char *from, char *to); +extern int rename2_file(char *from, char *to, unsigned int flags); extern int do_statfs(char *root, long *bsize_out, long long *blocks_out, long long *bfree_out, long long *bavail_out, long long *files_out, long long *ffree_out, diff --git a/fs/hostfs/hostfs_kern.c b/fs/hostfs/hostfs_kern.c index bb529f3b7f2b..fd62cae0fdcb 100644 --- a/fs/hostfs/hostfs_kern.c +++ b/fs/hostfs/hostfs_kern.c @@ -741,21 +741,31 @@ static int hostfs_mknod(struct inode *dir, struct dentry *dentry, umode_t mode, return err; } -static int hostfs_rename(struct inode *from_ino, struct dentry *from, - struct inode *to_ino, struct dentry *to) +static int hostfs_rename2(struct inode *old_dir, struct dentry *old_dentry, + struct inode *new_dir, struct dentry *new_dentry, + unsigned int flags) { - char *from_name, *to_name; + char *old_name, *new_name; int err; - if ((from_name = dentry_name(from)) == NULL) + if (flags & ~(RENAME_NOREPLACE | RENAME_EXCHANGE)) + return -EINVAL; + + old_name = dentry_name(old_dentry); + if (old_name == NULL) return -ENOMEM; - if ((to_name = dentry_name(to)) == NULL) { - __putname(from_name); + new_name = dentry_name(new_dentry); + if (new_name == NULL) { + __putname(old_name); return -ENOMEM; } - err = rename_file(from_name, to_name); - __putname(from_name); - __putname(to_name); + if (!flags) + err = rename_file(old_name, new_name); + else + err = rename2_file(old_name, new_name, flags); + + __putname(old_name); + __putname(new_name); return err; } @@ -867,7 +877,7 @@ static const struct inode_operations hostfs_dir_iops = { .mkdir = hostfs_mkdir, .rmdir = hostfs_rmdir, .mknod = hostfs_mknod, - .rename = hostfs_rename, + .rename2 = hostfs_rename2, .permission = hostfs_permission, .setattr = hostfs_setattr, }; diff --git a/fs/hostfs/hostfs_user.c b/fs/hostfs/hostfs_user.c index 67838f3aa20a..9765dab95cbd 100644 --- a/fs/hostfs/hostfs_user.c +++ b/fs/hostfs/hostfs_user.c @@ -14,6 +14,7 @@ #include <sys/time.h> #include <sys/types.h> #include <sys/vfs.h> +#include <sys/syscall.h> #include "hostfs.h" #include <utime.h> @@ -360,6 +361,33 @@ int rename_file(char *from, char *to) return 0; } +int rename2_file(char *from, char *to, unsigned int flags) +{ + int err; + +#ifndef SYS_renameat2 +# ifdef __x86_64__ +# define SYS_renameat2 316 +# endif +# ifdef __i386__ +# define SYS_renameat2 353 +# endif +#endif + +#ifdef SYS_renameat2 + err = syscall(SYS_renameat2, AT_FDCWD, from, AT_FDCWD, to, flags); + if (err < 0) { + if (errno != ENOSYS) + return -errno; + else + return -EINVAL; + } + return 0; +#else + return -EINVAL; +#endif +} + int do_statfs(char *root, long *bsize_out, long long *blocks_out, long long *bfree_out, long long *bavail_out, long long *files_out, long long *ffree_out, diff --git a/fs/internal.h b/fs/internal.h index 465742407466..e325b4f9c799 100644 --- a/fs/internal.h +++ b/fs/internal.h @@ -131,7 +131,6 @@ extern long prune_dcache_sb(struct super_block *sb, unsigned long nr_to_scan, /* * read_write.c */ -extern ssize_t __kernel_write(struct file *, const char *, size_t, loff_t *); extern int rw_verify_area(int, struct file *, const loff_t *, size_t); /* @@ -144,3 +143,9 @@ extern long do_splice_direct(struct file *in, loff_t *ppos, struct file *out, * pipe.c */ extern const struct file_operations pipefifo_fops; + +/* + * fs_pin.c + */ +extern void sb_pin_kill(struct super_block *sb); +extern void mnt_pin_kill(struct mount *m); diff --git a/fs/isofs/inode.c b/fs/isofs/inode.c index 4556ce1af5b0..5ddaf8625d3b 100644 --- a/fs/isofs/inode.c +++ b/fs/isofs/inode.c @@ -61,7 +61,7 @@ static void isofs_put_super(struct super_block *sb) return; } -static int isofs_read_inode(struct inode *); +static int isofs_read_inode(struct inode *, int relocated); static int isofs_statfs (struct dentry *, struct kstatfs *); static struct kmem_cache *isofs_inode_cachep; @@ -1259,7 +1259,7 @@ out_toomany: goto out; } -static int isofs_read_inode(struct inode *inode) +static int isofs_read_inode(struct inode *inode, int relocated) { struct super_block *sb = inode->i_sb; struct isofs_sb_info *sbi = ISOFS_SB(sb); @@ -1404,7 +1404,7 @@ static int isofs_read_inode(struct inode *inode) */ if (!high_sierra) { - parse_rock_ridge_inode(de, inode); + parse_rock_ridge_inode(de, inode, relocated); /* if we want uid/gid set, override the rock ridge setting */ if (sbi->s_uid_set) inode->i_uid = sbi->s_uid; @@ -1483,9 +1483,10 @@ static int isofs_iget5_set(struct inode *ino, void *data) * offset that point to the underlying meta-data for the inode. The * code below is otherwise similar to the iget() code in * include/linux/fs.h */ -struct inode *isofs_iget(struct super_block *sb, - unsigned long block, - unsigned long offset) +struct inode *__isofs_iget(struct super_block *sb, + unsigned long block, + unsigned long offset, + int relocated) { unsigned long hashval; struct inode *inode; @@ -1507,7 +1508,7 @@ struct inode *isofs_iget(struct super_block *sb, return ERR_PTR(-ENOMEM); if (inode->i_state & I_NEW) { - ret = isofs_read_inode(inode); + ret = isofs_read_inode(inode, relocated); if (ret < 0) { iget_failed(inode); inode = ERR_PTR(ret); diff --git a/fs/isofs/isofs.h b/fs/isofs/isofs.h index 99167238518d..0ac4c1f73fbd 100644 --- a/fs/isofs/isofs.h +++ b/fs/isofs/isofs.h @@ -107,7 +107,7 @@ extern int iso_date(char *, int); struct inode; /* To make gcc happy */ -extern int parse_rock_ridge_inode(struct iso_directory_record *, struct inode *); +extern int parse_rock_ridge_inode(struct iso_directory_record *, struct inode *, int relocated); extern int get_rock_ridge_filename(struct iso_directory_record *, char *, struct inode *); extern int isofs_name_translate(struct iso_directory_record *, char *, struct inode *); @@ -118,9 +118,24 @@ extern struct dentry *isofs_lookup(struct inode *, struct dentry *, unsigned int extern struct buffer_head *isofs_bread(struct inode *, sector_t); extern int isofs_get_blocks(struct inode *, sector_t, struct buffer_head **, unsigned long); -extern struct inode *isofs_iget(struct super_block *sb, - unsigned long block, - unsigned long offset); +struct inode *__isofs_iget(struct super_block *sb, + unsigned long block, + unsigned long offset, + int relocated); + +static inline struct inode *isofs_iget(struct super_block *sb, + unsigned long block, + unsigned long offset) +{ + return __isofs_iget(sb, block, offset, 0); +} + +static inline struct inode *isofs_iget_reloc(struct super_block *sb, + unsigned long block, + unsigned long offset) +{ + return __isofs_iget(sb, block, offset, 1); +} /* Because the inode number is no longer relevant to finding the * underlying meta-data for an inode, we are free to choose a more diff --git a/fs/isofs/rock.c b/fs/isofs/rock.c index c0bf42472e40..f488bbae541a 100644 --- a/fs/isofs/rock.c +++ b/fs/isofs/rock.c @@ -288,12 +288,16 @@ eio: goto out; } +#define RR_REGARD_XA 1 +#define RR_RELOC_DE 2 + static int parse_rock_ridge_inode_internal(struct iso_directory_record *de, - struct inode *inode, int regard_xa) + struct inode *inode, int flags) { int symlink_len = 0; int cnt, sig; + unsigned int reloc_block; struct inode *reloc; struct rock_ridge *rr; int rootflag; @@ -305,7 +309,7 @@ parse_rock_ridge_inode_internal(struct iso_directory_record *de, init_rock_state(&rs, inode); setup_rock_ridge(de, inode, &rs); - if (regard_xa) { + if (flags & RR_REGARD_XA) { rs.chr += 14; rs.len -= 14; if (rs.len < 0) @@ -485,12 +489,22 @@ repeat: "relocated directory\n"); goto out; case SIG('C', 'L'): - ISOFS_I(inode)->i_first_extent = - isonum_733(rr->u.CL.location); - reloc = - isofs_iget(inode->i_sb, - ISOFS_I(inode)->i_first_extent, - 0); + if (flags & RR_RELOC_DE) { + printk(KERN_ERR + "ISOFS: Recursive directory relocation " + "is not supported\n"); + goto eio; + } + reloc_block = isonum_733(rr->u.CL.location); + if (reloc_block == ISOFS_I(inode)->i_iget5_block && + ISOFS_I(inode)->i_iget5_offset == 0) { + printk(KERN_ERR + "ISOFS: Directory relocation points to " + "itself\n"); + goto eio; + } + ISOFS_I(inode)->i_first_extent = reloc_block; + reloc = isofs_iget_reloc(inode->i_sb, reloc_block, 0); if (IS_ERR(reloc)) { ret = PTR_ERR(reloc); goto out; @@ -637,9 +651,11 @@ static char *get_symlink_chunk(char *rpnt, struct rock_ridge *rr, char *plimit) return rpnt; } -int parse_rock_ridge_inode(struct iso_directory_record *de, struct inode *inode) +int parse_rock_ridge_inode(struct iso_directory_record *de, struct inode *inode, + int relocated) { - int result = parse_rock_ridge_inode_internal(de, inode, 0); + int flags = relocated ? RR_RELOC_DE : 0; + int result = parse_rock_ridge_inode_internal(de, inode, flags); /* * if rockridge flag was reset and we didn't look for attributes @@ -647,7 +663,8 @@ int parse_rock_ridge_inode(struct iso_directory_record *de, struct inode *inode) */ if ((ISOFS_SB(inode->i_sb)->s_rock_offset == -1) && (ISOFS_SB(inode->i_sb)->s_rock == 2)) { - result = parse_rock_ridge_inode_internal(de, inode, 14); + result = parse_rock_ridge_inode_internal(de, inode, + flags | RR_REGARD_XA); } return result; } diff --git a/fs/locks.c b/fs/locks.c index a6f54802d277..cb66fb05ad4a 100644 --- a/fs/locks.c +++ b/fs/locks.c @@ -247,6 +247,18 @@ void locks_free_lock(struct file_lock *fl) } EXPORT_SYMBOL(locks_free_lock); +static void +locks_dispose_list(struct list_head *dispose) +{ + struct file_lock *fl; + + while (!list_empty(dispose)) { + fl = list_first_entry(dispose, struct file_lock, fl_block); + list_del_init(&fl->fl_block); + locks_free_lock(fl); + } +} + void locks_init_lock(struct file_lock *fl) { memset(fl, 0, sizeof(struct file_lock)); @@ -285,7 +297,8 @@ EXPORT_SYMBOL(__locks_copy_lock); void locks_copy_lock(struct file_lock *new, struct file_lock *fl) { - locks_release_private(new); + /* "new" must be a freshly-initialized lock */ + WARN_ON_ONCE(new->fl_ops); __locks_copy_lock(new, fl); new->fl_file = fl->fl_file; @@ -650,12 +663,16 @@ static void locks_unlink_lock(struct file_lock **thisfl_p) * * Must be called with i_lock held! */ -static void locks_delete_lock(struct file_lock **thisfl_p) +static void locks_delete_lock(struct file_lock **thisfl_p, + struct list_head *dispose) { struct file_lock *fl = *thisfl_p; locks_unlink_lock(thisfl_p); - locks_free_lock(fl); + if (dispose) + list_add(&fl->fl_block, dispose); + else + locks_free_lock(fl); } /* Determine if lock sys_fl blocks lock caller_fl. Common functionality @@ -811,6 +828,7 @@ static int flock_lock_file(struct file *filp, struct file_lock *request) struct inode * inode = file_inode(filp); int error = 0; int found = 0; + LIST_HEAD(dispose); if (!(request->fl_flags & FL_ACCESS) && (request->fl_type != F_UNLCK)) { new_fl = locks_alloc_lock(); @@ -833,7 +851,7 @@ static int flock_lock_file(struct file *filp, struct file_lock *request) if (request->fl_type == fl->fl_type) goto out; found = 1; - locks_delete_lock(before); + locks_delete_lock(before, &dispose); break; } @@ -880,6 +898,7 @@ out: spin_unlock(&inode->i_lock); if (new_fl) locks_free_lock(new_fl); + locks_dispose_list(&dispose); return error; } @@ -893,6 +912,7 @@ static int __posix_lock_file(struct inode *inode, struct file_lock *request, str struct file_lock **before; int error; bool added = false; + LIST_HEAD(dispose); /* * We may need two file_lock structures for this operation, @@ -988,7 +1008,7 @@ static int __posix_lock_file(struct inode *inode, struct file_lock *request, str else request->fl_end = fl->fl_end; if (added) { - locks_delete_lock(before); + locks_delete_lock(before, &dispose); continue; } request = fl; @@ -1018,21 +1038,24 @@ static int __posix_lock_file(struct inode *inode, struct file_lock *request, str * one (This may happen several times). */ if (added) { - locks_delete_lock(before); + locks_delete_lock(before, &dispose); continue; } - /* Replace the old lock with the new one. - * Wake up anybody waiting for the old one, - * as the change in lock type might satisfy - * their needs. + /* + * Replace the old lock with new_fl, and + * remove the old one. It's safe to do the + * insert here since we know that we won't be + * using new_fl later, and that the lock is + * just replacing an existing lock. */ - locks_wake_up_blocks(fl); - fl->fl_start = request->fl_start; - fl->fl_end = request->fl_end; - fl->fl_type = request->fl_type; - locks_release_private(fl); - locks_copy_private(fl, request); - request = fl; + error = -ENOLCK; + if (!new_fl) + goto out; + locks_copy_lock(new_fl, request); + request = new_fl; + new_fl = NULL; + locks_delete_lock(before, &dispose); + locks_insert_lock(before, request); added = true; } } @@ -1093,6 +1116,7 @@ static int __posix_lock_file(struct inode *inode, struct file_lock *request, str locks_free_lock(new_fl); if (new_fl2) locks_free_lock(new_fl2); + locks_dispose_list(&dispose); return error; } @@ -1268,7 +1292,7 @@ int lease_modify(struct file_lock **before, int arg) printk(KERN_ERR "locks_delete_lock: fasync == %p\n", fl->fl_fasync); fl->fl_fasync = NULL; } - locks_delete_lock(before); + locks_delete_lock(before, NULL); } return 0; } @@ -1737,13 +1761,10 @@ static int do_fcntl_add_lease(unsigned int fd, struct file *filp, long arg) ret = fl; spin_lock(&inode->i_lock); error = __vfs_setlease(filp, arg, &ret); - if (error) { - spin_unlock(&inode->i_lock); - locks_free_lock(fl); - goto out_free_fasync; - } - if (ret != fl) - locks_free_lock(fl); + if (error) + goto out_unlock; + if (ret == fl) + fl = NULL; /* * fasync_insert_entry() returns the old entry if any. @@ -1755,9 +1776,10 @@ static int do_fcntl_add_lease(unsigned int fd, struct file *filp, long arg) new = NULL; error = __f_setown(filp, task_pid(current), PIDTYPE_PID, 0); +out_unlock: spin_unlock(&inode->i_lock); - -out_free_fasync: + if (fl) + locks_free_lock(fl); if (new) fasync_free(new); return error; @@ -2320,6 +2342,7 @@ void locks_remove_file(struct file *filp) struct inode * inode = file_inode(filp); struct file_lock *fl; struct file_lock **before; + LIST_HEAD(dispose); if (!inode->i_flock) return; @@ -2365,12 +2388,13 @@ void locks_remove_file(struct file *filp) fl->fl_type, fl->fl_flags, fl->fl_start, fl->fl_end); - locks_delete_lock(before); + locks_delete_lock(before, &dispose); continue; } before = &fl->fl_next; } spin_unlock(&inode->i_lock); + locks_dispose_list(&dispose); } /** @@ -2452,7 +2476,11 @@ static void lock_get_status(struct seq_file *f, struct file_lock *fl, seq_puts(f, "FLOCK ADVISORY "); } } else if (IS_LEASE(fl)) { - seq_puts(f, "LEASE "); + if (fl->fl_flags & FL_DELEG) + seq_puts(f, "DELEG "); + else + seq_puts(f, "LEASE "); + if (lease_breaking(fl)) seq_puts(f, "BREAKING "); else if (fl->fl_file) diff --git a/fs/mount.h b/fs/mount.h index d55297f2fa05..6740a6215529 100644 --- a/fs/mount.h +++ b/fs/mount.h @@ -55,7 +55,7 @@ struct mount { int mnt_id; /* mount identifier */ int mnt_group_id; /* peer group identifier */ int mnt_expiry_mark; /* true if marked for expiry */ - int mnt_pinned; + struct hlist_head mnt_pins; struct path mnt_ex_mountpoint; }; diff --git a/fs/namei.c b/fs/namei.c index 9eb787e5c167..a996bb48dfab 100644 --- a/fs/namei.c +++ b/fs/namei.c @@ -1091,10 +1091,10 @@ int follow_down_one(struct path *path) } EXPORT_SYMBOL(follow_down_one); -static inline bool managed_dentry_might_block(struct dentry *dentry) +static inline int managed_dentry_rcu(struct dentry *dentry) { - return (dentry->d_flags & DCACHE_MANAGE_TRANSIT && - dentry->d_op->d_manage(dentry, true) < 0); + return (dentry->d_flags & DCACHE_MANAGE_TRANSIT) ? + dentry->d_op->d_manage(dentry, true) : 0; } /* @@ -1110,11 +1110,18 @@ static bool __follow_mount_rcu(struct nameidata *nd, struct path *path, * Don't forget we might have a non-mountpoint managed dentry * that wants to block transit. */ - if (unlikely(managed_dentry_might_block(path->dentry))) + switch (managed_dentry_rcu(path->dentry)) { + case -ECHILD: + default: return false; + case -EISDIR: + return true; + case 0: + break; + } if (!d_mountpoint(path->dentry)) - return true; + return !(path->dentry->d_flags & DCACHE_NEED_AUTOMOUNT); mounted = __lookup_mnt(path->mnt, path->dentry); if (!mounted) @@ -1130,7 +1137,8 @@ static bool __follow_mount_rcu(struct nameidata *nd, struct path *path, */ *inode = path->dentry->d_inode; } - return read_seqretry(&mount_lock, nd->m_seq); + return read_seqretry(&mount_lock, nd->m_seq) && + !(path->dentry->d_flags & DCACHE_NEED_AUTOMOUNT); } static int follow_dotdot_rcu(struct nameidata *nd) @@ -1402,11 +1410,8 @@ static int lookup_fast(struct nameidata *nd, } path->mnt = mnt; path->dentry = dentry; - if (unlikely(!__follow_mount_rcu(nd, path, inode))) - goto unlazy; - if (unlikely(path->dentry->d_flags & DCACHE_NEED_AUTOMOUNT)) - goto unlazy; - return 0; + if (likely(__follow_mount_rcu(nd, path, inode))) + return 0; unlazy: if (unlazy_walk(nd, dentry)) return -ECHILD; @@ -4019,7 +4024,7 @@ SYSCALL_DEFINE2(link, const char __user *, oldname, const char __user *, newname * The worst of all namespace operations - renaming directory. "Perverted" * doesn't even start to describe it. Somebody in UCB had a heck of a trip... * Problems: - * a) we can get into loop creation. Check is done in is_subdir(). + * a) we can get into loop creation. * b) race potential - two innocent renames can create a loop together. * That's where 4.4 screws up. Current fix: serialization on * sb->s_vfs_rename_mutex. We might be more accurate, but that's another @@ -4075,7 +4080,7 @@ int vfs_rename(struct inode *old_dir, struct dentry *old_dentry, if (error) return error; - if (!old_dir->i_op->rename) + if (!old_dir->i_op->rename && !old_dir->i_op->rename2) return -EPERM; if (flags && !old_dir->i_op->rename2) @@ -4134,10 +4139,11 @@ int vfs_rename(struct inode *old_dir, struct dentry *old_dentry, if (error) goto out; } - if (!flags) { + if (!old_dir->i_op->rename2) { error = old_dir->i_op->rename(old_dir, old_dentry, new_dir, new_dentry); } else { + WARN_ON(old_dir->i_op->rename != NULL); error = old_dir->i_op->rename2(old_dir, old_dentry, new_dir, new_dentry, flags); } diff --git a/fs/namespace.c b/fs/namespace.c index 0acabea58319..a01c7730e9af 100644 --- a/fs/namespace.c +++ b/fs/namespace.c @@ -16,7 +16,6 @@ #include <linux/namei.h> #include <linux/security.h> #include <linux/idr.h> -#include <linux/acct.h> /* acct_auto_close_mnt */ #include <linux/init.h> /* init_rootfs */ #include <linux/fs_struct.h> /* get_fs_root et.al. */ #include <linux/fsnotify.h> /* fsnotify_vfsmount_delete */ @@ -779,6 +778,20 @@ static void attach_mnt(struct mount *mnt, list_add_tail(&mnt->mnt_child, &parent->mnt_mounts); } +static void attach_shadowed(struct mount *mnt, + struct mount *parent, + struct mount *shadows) +{ + if (shadows) { + hlist_add_behind_rcu(&mnt->mnt_hash, &shadows->mnt_hash); + list_add(&mnt->mnt_child, &shadows->mnt_child); + } else { + hlist_add_head_rcu(&mnt->mnt_hash, + m_hash(&parent->mnt, mnt->mnt_mountpoint)); + list_add_tail(&mnt->mnt_child, &parent->mnt_mounts); + } +} + /* * vfsmount lock must be held for write */ @@ -797,12 +810,7 @@ static void commit_tree(struct mount *mnt, struct mount *shadows) list_splice(&head, n->list.prev); - if (shadows) - hlist_add_behind_rcu(&mnt->mnt_hash, &shadows->mnt_hash); - else - hlist_add_head_rcu(&mnt->mnt_hash, - m_hash(&parent->mnt, mnt->mnt_mountpoint)); - list_add_tail(&mnt->mnt_child, &parent->mnt_mounts); + attach_shadowed(mnt, parent, shadows); touch_mnt_namespace(n); } @@ -951,7 +959,6 @@ static struct mount *clone_mnt(struct mount *old, struct dentry *root, static void mntput_no_expire(struct mount *mnt) { -put_again: rcu_read_lock(); mnt_add_count(mnt, -1); if (likely(mnt->mnt_ns)) { /* shouldn't be the last one */ @@ -964,14 +971,6 @@ put_again: unlock_mount_hash(); return; } - if (unlikely(mnt->mnt_pinned)) { - mnt_add_count(mnt, mnt->mnt_pinned + 1); - mnt->mnt_pinned = 0; - rcu_read_unlock(); - unlock_mount_hash(); - acct_auto_close_mnt(&mnt->mnt); - goto put_again; - } if (unlikely(mnt->mnt.mnt_flags & MNT_DOOMED)) { rcu_read_unlock(); unlock_mount_hash(); @@ -994,6 +993,8 @@ put_again: * so mnt_get_writers() below is safe. */ WARN_ON(mnt_get_writers(mnt)); + if (unlikely(mnt->mnt_pins.first)) + mnt_pin_kill(mnt); fsnotify_vfsmount_delete(&mnt->mnt); dput(mnt->mnt.mnt_root); deactivate_super(mnt->mnt.mnt_sb); @@ -1021,25 +1022,15 @@ struct vfsmount *mntget(struct vfsmount *mnt) } EXPORT_SYMBOL(mntget); -void mnt_pin(struct vfsmount *mnt) -{ - lock_mount_hash(); - real_mount(mnt)->mnt_pinned++; - unlock_mount_hash(); -} -EXPORT_SYMBOL(mnt_pin); - -void mnt_unpin(struct vfsmount *m) +struct vfsmount *mnt_clone_internal(struct path *path) { - struct mount *mnt = real_mount(m); - lock_mount_hash(); - if (mnt->mnt_pinned) { - mnt_add_count(mnt, 1); - mnt->mnt_pinned--; - } - unlock_mount_hash(); + struct mount *p; + p = clone_mnt(real_mount(path->mnt), path->dentry, CL_PRIVATE); + if (IS_ERR(p)) + return ERR_CAST(p); + p->mnt.mnt_flags |= MNT_INTERNAL; + return &p->mnt; } -EXPORT_SYMBOL(mnt_unpin); static inline void mangle(struct seq_file *m, const char *s) { @@ -1505,6 +1496,7 @@ struct mount *copy_tree(struct mount *mnt, struct dentry *dentry, continue; for (s = r; s; s = next_mnt(s, r)) { + struct mount *t = NULL; if (!(flag & CL_COPY_UNBINDABLE) && IS_MNT_UNBINDABLE(s)) { s = skip_mnt_tree(s); @@ -1526,7 +1518,14 @@ struct mount *copy_tree(struct mount *mnt, struct dentry *dentry, goto out; lock_mount_hash(); list_add_tail(&q->mnt_list, &res->mnt_list); - attach_mnt(q, parent, p->mnt_mp); + mnt_set_mountpoint(parent, p->mnt_mp, q); + if (!list_empty(&parent->mnt_mounts)) { + t = list_last_entry(&parent->mnt_mounts, + struct mount, mnt_child); + if (t->mnt_mp != p->mnt_mp) + t = NULL; + } + attach_shadowed(q, parent, t); unlock_mount_hash(); } } diff --git a/fs/nfs/blocklayout/blocklayout.c b/fs/nfs/blocklayout/blocklayout.c index 9b431f44fad9..cbb1797149d5 100644 --- a/fs/nfs/blocklayout/blocklayout.c +++ b/fs/nfs/blocklayout/blocklayout.c @@ -210,8 +210,7 @@ static void bl_end_io_read(struct bio *bio, int err) SetPageUptodate(bvec->bv_page); if (err) { - struct nfs_pgio_data *rdata = par->data; - struct nfs_pgio_header *header = rdata->header; + struct nfs_pgio_header *header = par->data; if (!header->pnfs_error) header->pnfs_error = -EIO; @@ -224,43 +223,44 @@ static void bl_end_io_read(struct bio *bio, int err) static void bl_read_cleanup(struct work_struct *work) { struct rpc_task *task; - struct nfs_pgio_data *rdata; + struct nfs_pgio_header *hdr; dprintk("%s enter\n", __func__); task = container_of(work, struct rpc_task, u.tk_work); - rdata = container_of(task, struct nfs_pgio_data, task); - pnfs_ld_read_done(rdata); + hdr = container_of(task, struct nfs_pgio_header, task); + pnfs_ld_read_done(hdr); } static void bl_end_par_io_read(void *data, int unused) { - struct nfs_pgio_data *rdata = data; + struct nfs_pgio_header *hdr = data; - rdata->task.tk_status = rdata->header->pnfs_error; - INIT_WORK(&rdata->task.u.tk_work, bl_read_cleanup); - schedule_work(&rdata->task.u.tk_work); + hdr->task.tk_status = hdr->pnfs_error; + INIT_WORK(&hdr->task.u.tk_work, bl_read_cleanup); + schedule_work(&hdr->task.u.tk_work); } static enum pnfs_try_status -bl_read_pagelist(struct nfs_pgio_data *rdata) +bl_read_pagelist(struct nfs_pgio_header *hdr) { - struct nfs_pgio_header *header = rdata->header; + struct nfs_pgio_header *header = hdr; int i, hole; struct bio *bio = NULL; struct pnfs_block_extent *be = NULL, *cow_read = NULL; sector_t isect, extent_length = 0; struct parallel_io *par; - loff_t f_offset = rdata->args.offset; - size_t bytes_left = rdata->args.count; + loff_t f_offset = hdr->args.offset; + size_t bytes_left = hdr->args.count; unsigned int pg_offset, pg_len; - struct page **pages = rdata->args.pages; - int pg_index = rdata->args.pgbase >> PAGE_CACHE_SHIFT; + struct page **pages = hdr->args.pages; + int pg_index = hdr->args.pgbase >> PAGE_CACHE_SHIFT; const bool is_dio = (header->dreq != NULL); dprintk("%s enter nr_pages %u offset %lld count %u\n", __func__, - rdata->pages.npages, f_offset, (unsigned int)rdata->args.count); + hdr->page_array.npages, f_offset, + (unsigned int)hdr->args.count); - par = alloc_parallel(rdata); + par = alloc_parallel(hdr); if (!par) goto use_mds; par->pnfs_callback = bl_end_par_io_read; @@ -268,7 +268,7 @@ bl_read_pagelist(struct nfs_pgio_data *rdata) isect = (sector_t) (f_offset >> SECTOR_SHIFT); /* Code assumes extents are page-aligned */ - for (i = pg_index; i < rdata->pages.npages; i++) { + for (i = pg_index; i < hdr->page_array.npages; i++) { if (!extent_length) { /* We've used up the previous extent */ bl_put_extent(be); @@ -317,7 +317,8 @@ bl_read_pagelist(struct nfs_pgio_data *rdata) struct pnfs_block_extent *be_read; be_read = (hole && cow_read) ? cow_read : be; - bio = do_add_page_to_bio(bio, rdata->pages.npages - i, + bio = do_add_page_to_bio(bio, + hdr->page_array.npages - i, READ, isect, pages[i], be_read, bl_end_io_read, par, @@ -332,10 +333,10 @@ bl_read_pagelist(struct nfs_pgio_data *rdata) extent_length -= PAGE_CACHE_SECTORS; } if ((isect << SECTOR_SHIFT) >= header->inode->i_size) { - rdata->res.eof = 1; - rdata->res.count = header->inode->i_size - rdata->args.offset; + hdr->res.eof = 1; + hdr->res.count = header->inode->i_size - hdr->args.offset; } else { - rdata->res.count = (isect << SECTOR_SHIFT) - rdata->args.offset; + hdr->res.count = (isect << SECTOR_SHIFT) - hdr->args.offset; } out: bl_put_extent(be); @@ -390,8 +391,7 @@ static void bl_end_io_write_zero(struct bio *bio, int err) } if (unlikely(err)) { - struct nfs_pgio_data *data = par->data; - struct nfs_pgio_header *header = data->header; + struct nfs_pgio_header *header = par->data; if (!header->pnfs_error) header->pnfs_error = -EIO; @@ -405,8 +405,7 @@ static void bl_end_io_write(struct bio *bio, int err) { struct parallel_io *par = bio->bi_private; const int uptodate = test_bit(BIO_UPTODATE, &bio->bi_flags); - struct nfs_pgio_data *data = par->data; - struct nfs_pgio_header *header = data->header; + struct nfs_pgio_header *header = par->data; if (!uptodate) { if (!header->pnfs_error) @@ -423,32 +422,32 @@ static void bl_end_io_write(struct bio *bio, int err) static void bl_write_cleanup(struct work_struct *work) { struct rpc_task *task; - struct nfs_pgio_data *wdata; + struct nfs_pgio_header *hdr; dprintk("%s enter\n", __func__); task = container_of(work, struct rpc_task, u.tk_work); - wdata = container_of(task, struct nfs_pgio_data, task); - if (likely(!wdata->header->pnfs_error)) { + hdr = container_of(task, struct nfs_pgio_header, task); + if (likely(!hdr->pnfs_error)) { /* Marks for LAYOUTCOMMIT */ - mark_extents_written(BLK_LSEG2EXT(wdata->header->lseg), - wdata->args.offset, wdata->args.count); + mark_extents_written(BLK_LSEG2EXT(hdr->lseg), + hdr->args.offset, hdr->args.count); } - pnfs_ld_write_done(wdata); + pnfs_ld_write_done(hdr); } /* Called when last of bios associated with a bl_write_pagelist call finishes */ static void bl_end_par_io_write(void *data, int num_se) { - struct nfs_pgio_data *wdata = data; + struct nfs_pgio_header *hdr = data; - if (unlikely(wdata->header->pnfs_error)) { - bl_free_short_extents(&BLK_LSEG2EXT(wdata->header->lseg)->bl_inval, + if (unlikely(hdr->pnfs_error)) { + bl_free_short_extents(&BLK_LSEG2EXT(hdr->lseg)->bl_inval, num_se); } - wdata->task.tk_status = wdata->header->pnfs_error; - wdata->verf.committed = NFS_FILE_SYNC; - INIT_WORK(&wdata->task.u.tk_work, bl_write_cleanup); - schedule_work(&wdata->task.u.tk_work); + hdr->task.tk_status = hdr->pnfs_error; + hdr->verf.committed = NFS_FILE_SYNC; + INIT_WORK(&hdr->task.u.tk_work, bl_write_cleanup); + schedule_work(&hdr->task.u.tk_work); } /* FIXME STUB - mark intersection of layout and page as bad, so is not @@ -673,18 +672,17 @@ check_page: } static enum pnfs_try_status -bl_write_pagelist(struct nfs_pgio_data *wdata, int sync) +bl_write_pagelist(struct nfs_pgio_header *header, int sync) { - struct nfs_pgio_header *header = wdata->header; int i, ret, npg_zero, pg_index, last = 0; struct bio *bio = NULL; struct pnfs_block_extent *be = NULL, *cow_read = NULL; sector_t isect, last_isect = 0, extent_length = 0; struct parallel_io *par = NULL; - loff_t offset = wdata->args.offset; - size_t count = wdata->args.count; + loff_t offset = header->args.offset; + size_t count = header->args.count; unsigned int pg_offset, pg_len, saved_len; - struct page **pages = wdata->args.pages; + struct page **pages = header->args.pages; struct page *page; pgoff_t index; u64 temp; @@ -699,11 +697,11 @@ bl_write_pagelist(struct nfs_pgio_data *wdata, int sync) dprintk("pnfsblock nonblock aligned DIO writes. Resend MDS\n"); goto out_mds; } - /* At this point, wdata->pages is a (sequential) list of nfs_pages. + /* At this point, header->page_aray is a (sequential) list of nfs_pages. * We want to write each, and if there is an error set pnfs_error * to have it redone using nfs. */ - par = alloc_parallel(wdata); + par = alloc_parallel(header); if (!par) goto out_mds; par->pnfs_callback = bl_end_par_io_write; @@ -790,8 +788,8 @@ next_page: bio = bl_submit_bio(WRITE, bio); /* Middle pages */ - pg_index = wdata->args.pgbase >> PAGE_CACHE_SHIFT; - for (i = pg_index; i < wdata->pages.npages; i++) { + pg_index = header->args.pgbase >> PAGE_CACHE_SHIFT; + for (i = pg_index; i < header->page_array.npages; i++) { if (!extent_length) { /* We've used up the previous extent */ bl_put_extent(be); @@ -862,7 +860,8 @@ next_page: } - bio = do_add_page_to_bio(bio, wdata->pages.npages - i, WRITE, + bio = do_add_page_to_bio(bio, header->page_array.npages - i, + WRITE, isect, pages[i], be, bl_end_io_write, par, pg_offset, pg_len); @@ -890,7 +889,7 @@ next_page: } write_done: - wdata->res.count = wdata->args.count; + header->res.count = header->args.count; out: bl_put_extent(be); bl_put_extent(cow_read); @@ -1063,7 +1062,7 @@ nfs4_blk_get_deviceinfo(struct nfs_server *server, const struct nfs_fh *fh, return ERR_PTR(-ENOMEM); } - pages = kzalloc(max_pages * sizeof(struct page *), GFP_NOFS); + pages = kcalloc(max_pages, sizeof(struct page *), GFP_NOFS); if (pages == NULL) { kfree(dev); return ERR_PTR(-ENOMEM); diff --git a/fs/nfs/callback.c b/fs/nfs/callback.c index 073b4cf67ed9..54de482143cc 100644 --- a/fs/nfs/callback.c +++ b/fs/nfs/callback.c @@ -428,6 +428,18 @@ check_gss_callback_principal(struct nfs_client *clp, struct svc_rqst *rqstp) if (p == NULL) return 0; + /* + * Did we get the acceptor from userland during the SETCLIENID + * negotiation? + */ + if (clp->cl_acceptor) + return !strcmp(p, clp->cl_acceptor); + + /* + * Otherwise try to verify it using the cl_hostname. Note that this + * doesn't work if a non-canonical hostname was used in the devname. + */ + /* Expect a GSS_C_NT_HOSTBASED_NAME like "nfs@serverhostname" */ if (memcmp(p, "nfs@", 4) != 0) diff --git a/fs/nfs/client.c b/fs/nfs/client.c index 180d1ec9c32e..1c5ff6d58385 100644 --- a/fs/nfs/client.c +++ b/fs/nfs/client.c @@ -110,8 +110,8 @@ struct nfs_subversion *get_nfs_version(unsigned int version) mutex_unlock(&nfs_version_mutex); } - if (!IS_ERR(nfs)) - try_module_get(nfs->owner); + if (!IS_ERR(nfs) && !try_module_get(nfs->owner)) + return ERR_PTR(-EAGAIN); return nfs; } @@ -158,7 +158,8 @@ struct nfs_client *nfs_alloc_client(const struct nfs_client_initdata *cl_init) goto error_0; clp->cl_nfs_mod = cl_init->nfs_mod; - try_module_get(clp->cl_nfs_mod->owner); + if (!try_module_get(clp->cl_nfs_mod->owner)) + goto error_dealloc; clp->rpc_ops = clp->cl_nfs_mod->rpc_ops; @@ -190,6 +191,7 @@ struct nfs_client *nfs_alloc_client(const struct nfs_client_initdata *cl_init) error_cleanup: put_nfs_version(clp->cl_nfs_mod); +error_dealloc: kfree(clp); error_0: return ERR_PTR(err); @@ -252,6 +254,7 @@ void nfs_free_client(struct nfs_client *clp) put_net(clp->cl_net); put_nfs_version(clp->cl_nfs_mod); kfree(clp->cl_hostname); + kfree(clp->cl_acceptor); kfree(clp); dprintk("<-- nfs_free_client()\n"); @@ -482,8 +485,13 @@ nfs_get_client(const struct nfs_client_initdata *cl_init, struct nfs_net *nn = net_generic(cl_init->net, nfs_net_id); const struct nfs_rpc_ops *rpc_ops = cl_init->nfs_mod->rpc_ops; + if (cl_init->hostname == NULL) { + WARN_ON(1); + return NULL; + } + dprintk("--> nfs_get_client(%s,v%u)\n", - cl_init->hostname ?: "", rpc_ops->version); + cl_init->hostname, rpc_ops->version); /* see if the client already exists */ do { @@ -510,7 +518,7 @@ nfs_get_client(const struct nfs_client_initdata *cl_init, } while (!IS_ERR(new)); dprintk("<-- nfs_get_client() Failed to find %s (%ld)\n", - cl_init->hostname ?: "", PTR_ERR(new)); + cl_init->hostname, PTR_ERR(new)); return new; } EXPORT_SYMBOL_GPL(nfs_get_client); diff --git a/fs/nfs/delegation.c b/fs/nfs/delegation.c index 5d8ccecf5f5c..5853f53db732 100644 --- a/fs/nfs/delegation.c +++ b/fs/nfs/delegation.c @@ -41,14 +41,8 @@ void nfs_mark_delegation_referenced(struct nfs_delegation *delegation) set_bit(NFS_DELEGATION_REFERENCED, &delegation->flags); } -/** - * nfs_have_delegation - check if inode has a delegation - * @inode: inode to check - * @flags: delegation types to check for - * - * Returns one if inode has the indicated delegation, otherwise zero. - */ -int nfs4_have_delegation(struct inode *inode, fmode_t flags) +static int +nfs4_do_check_delegation(struct inode *inode, fmode_t flags, bool mark) { struct nfs_delegation *delegation; int ret = 0; @@ -58,12 +52,34 @@ int nfs4_have_delegation(struct inode *inode, fmode_t flags) delegation = rcu_dereference(NFS_I(inode)->delegation); if (delegation != NULL && (delegation->type & flags) == flags && !test_bit(NFS_DELEGATION_RETURNING, &delegation->flags)) { - nfs_mark_delegation_referenced(delegation); + if (mark) + nfs_mark_delegation_referenced(delegation); ret = 1; } rcu_read_unlock(); return ret; } +/** + * nfs_have_delegation - check if inode has a delegation, mark it + * NFS_DELEGATION_REFERENCED if there is one. + * @inode: inode to check + * @flags: delegation types to check for + * + * Returns one if inode has the indicated delegation, otherwise zero. + */ +int nfs4_have_delegation(struct inode *inode, fmode_t flags) +{ + return nfs4_do_check_delegation(inode, flags, true); +} + +/* + * nfs4_check_delegation - check if inode has a delegation, do not mark + * NFS_DELEGATION_REFERENCED if it has one. + */ +int nfs4_check_delegation(struct inode *inode, fmode_t flags) +{ + return nfs4_do_check_delegation(inode, flags, false); +} static int nfs_delegation_claim_locks(struct nfs_open_context *ctx, struct nfs4_state *state, const nfs4_stateid *stateid) { diff --git a/fs/nfs/delegation.h b/fs/nfs/delegation.h index 9a79c7a99d6d..5c1cce39297f 100644 --- a/fs/nfs/delegation.h +++ b/fs/nfs/delegation.h @@ -59,6 +59,7 @@ bool nfs4_copy_delegation_stateid(nfs4_stateid *dst, struct inode *inode, fmode_ void nfs_mark_delegation_referenced(struct nfs_delegation *delegation); int nfs4_have_delegation(struct inode *inode, fmode_t flags); +int nfs4_check_delegation(struct inode *inode, fmode_t flags); #endif diff --git a/fs/nfs/dir.c b/fs/nfs/dir.c index 4a3d4ef76127..36d921f0c602 100644 --- a/fs/nfs/dir.c +++ b/fs/nfs/dir.c @@ -988,9 +988,13 @@ EXPORT_SYMBOL_GPL(nfs_force_lookup_revalidate); * A check for whether or not the parent directory has changed. * In the case it has, we assume that the dentries are untrustworthy * and may need to be looked up again. + * If rcu_walk prevents us from performing a full check, return 0. */ -static int nfs_check_verifier(struct inode *dir, struct dentry *dentry) +static int nfs_check_verifier(struct inode *dir, struct dentry *dentry, + int rcu_walk) { + int ret; + if (IS_ROOT(dentry)) return 1; if (NFS_SERVER(dir)->flags & NFS_MOUNT_LOOKUP_CACHE_NONE) @@ -998,7 +1002,11 @@ static int nfs_check_verifier(struct inode *dir, struct dentry *dentry) if (!nfs_verify_change_attribute(dir, dentry->d_time)) return 0; /* Revalidate nfsi->cache_change_attribute before we declare a match */ - if (nfs_revalidate_inode(NFS_SERVER(dir), dir) < 0) + if (rcu_walk) + ret = nfs_revalidate_inode_rcu(NFS_SERVER(dir), dir); + else + ret = nfs_revalidate_inode(NFS_SERVER(dir), dir); + if (ret < 0) return 0; if (!nfs_verify_change_attribute(dir, dentry->d_time)) return 0; @@ -1042,6 +1050,8 @@ int nfs_lookup_verify_inode(struct inode *inode, unsigned int flags) out: return (inode->i_nlink == 0) ? -ENOENT : 0; out_force: + if (flags & LOOKUP_RCU) + return -ECHILD; ret = __nfs_revalidate_inode(server, inode); if (ret != 0) return ret; @@ -1054,6 +1064,9 @@ out_force: * * If parent mtime has changed, we revalidate, else we wait for a * period corresponding to the parent's attribute cache timeout value. + * + * If LOOKUP_RCU prevents us from performing a full check, return 1 + * suggesting a reval is needed. */ static inline int nfs_neg_need_reval(struct inode *dir, struct dentry *dentry, @@ -1064,7 +1077,7 @@ int nfs_neg_need_reval(struct inode *dir, struct dentry *dentry, return 0; if (NFS_SERVER(dir)->flags & NFS_MOUNT_LOOKUP_CACHE_NONEG) return 1; - return !nfs_check_verifier(dir, dentry); + return !nfs_check_verifier(dir, dentry, flags & LOOKUP_RCU); } /* @@ -1088,21 +1101,30 @@ static int nfs_lookup_revalidate(struct dentry *dentry, unsigned int flags) struct nfs4_label *label = NULL; int error; - if (flags & LOOKUP_RCU) - return -ECHILD; - - parent = dget_parent(dentry); - dir = parent->d_inode; + if (flags & LOOKUP_RCU) { + parent = ACCESS_ONCE(dentry->d_parent); + dir = ACCESS_ONCE(parent->d_inode); + if (!dir) + return -ECHILD; + } else { + parent = dget_parent(dentry); + dir = parent->d_inode; + } nfs_inc_stats(dir, NFSIOS_DENTRYREVALIDATE); inode = dentry->d_inode; if (!inode) { - if (nfs_neg_need_reval(dir, dentry, flags)) + if (nfs_neg_need_reval(dir, dentry, flags)) { + if (flags & LOOKUP_RCU) + return -ECHILD; goto out_bad; + } goto out_valid_noent; } if (is_bad_inode(inode)) { + if (flags & LOOKUP_RCU) + return -ECHILD; dfprintk(LOOKUPCACHE, "%s: %pd2 has dud inode\n", __func__, dentry); goto out_bad; @@ -1112,12 +1134,20 @@ static int nfs_lookup_revalidate(struct dentry *dentry, unsigned int flags) goto out_set_verifier; /* Force a full look up iff the parent directory has changed */ - if (!nfs_is_exclusive_create(dir, flags) && nfs_check_verifier(dir, dentry)) { - if (nfs_lookup_verify_inode(inode, flags)) + if (!nfs_is_exclusive_create(dir, flags) && + nfs_check_verifier(dir, dentry, flags & LOOKUP_RCU)) { + + if (nfs_lookup_verify_inode(inode, flags)) { + if (flags & LOOKUP_RCU) + return -ECHILD; goto out_zap_parent; + } goto out_valid; } + if (flags & LOOKUP_RCU) + return -ECHILD; + if (NFS_STALE(inode)) goto out_bad; @@ -1153,13 +1183,18 @@ out_set_verifier: /* Success: notify readdir to use READDIRPLUS */ nfs_advise_use_readdirplus(dir); out_valid_noent: - dput(parent); + if (flags & LOOKUP_RCU) { + if (parent != ACCESS_ONCE(dentry->d_parent)) + return -ECHILD; + } else + dput(parent); dfprintk(LOOKUPCACHE, "NFS: %s(%pd2) is valid\n", __func__, dentry); return 1; out_zap_parent: nfs_zap_caches(dir); out_bad: + WARN_ON(flags & LOOKUP_RCU); nfs_free_fattr(fattr); nfs_free_fhandle(fhandle); nfs4_label_free(label); @@ -1185,6 +1220,7 @@ out_zap_parent: __func__, dentry); return 0; out_error: + WARN_ON(flags & LOOKUP_RCU); nfs_free_fattr(fattr); nfs_free_fhandle(fhandle); nfs4_label_free(label); @@ -1529,14 +1565,9 @@ EXPORT_SYMBOL_GPL(nfs_atomic_open); static int nfs4_lookup_revalidate(struct dentry *dentry, unsigned int flags) { - struct dentry *parent = NULL; struct inode *inode; - struct inode *dir; int ret = 0; - if (flags & LOOKUP_RCU) - return -ECHILD; - if (!(flags & LOOKUP_OPEN) || (flags & LOOKUP_DIRECTORY)) goto no_open; if (d_mountpoint(dentry)) @@ -1545,34 +1576,47 @@ static int nfs4_lookup_revalidate(struct dentry *dentry, unsigned int flags) goto no_open; inode = dentry->d_inode; - parent = dget_parent(dentry); - dir = parent->d_inode; /* We can't create new files in nfs_open_revalidate(), so we * optimize away revalidation of negative dentries. */ if (inode == NULL) { + struct dentry *parent; + struct inode *dir; + + if (flags & LOOKUP_RCU) { + parent = ACCESS_ONCE(dentry->d_parent); + dir = ACCESS_ONCE(parent->d_inode); + if (!dir) + return -ECHILD; + } else { + parent = dget_parent(dentry); + dir = parent->d_inode; + } if (!nfs_neg_need_reval(dir, dentry, flags)) ret = 1; + else if (flags & LOOKUP_RCU) + ret = -ECHILD; + if (!(flags & LOOKUP_RCU)) + dput(parent); + else if (parent != ACCESS_ONCE(dentry->d_parent)) + return -ECHILD; goto out; } /* NFS only supports OPEN on regular files */ if (!S_ISREG(inode->i_mode)) - goto no_open_dput; + goto no_open; /* We cannot do exclusive creation on a positive dentry */ if (flags & LOOKUP_EXCL) - goto no_open_dput; + goto no_open; /* Let f_op->open() actually open (and revalidate) the file */ ret = 1; out: - dput(parent); return ret; -no_open_dput: - dput(parent); no_open: return nfs_lookup_revalidate(dentry, flags); } @@ -2028,10 +2072,14 @@ static DEFINE_SPINLOCK(nfs_access_lru_lock); static LIST_HEAD(nfs_access_lru_list); static atomic_long_t nfs_access_nr_entries; +static unsigned long nfs_access_max_cachesize = ULONG_MAX; +module_param(nfs_access_max_cachesize, ulong, 0644); +MODULE_PARM_DESC(nfs_access_max_cachesize, "NFS access maximum total cache length"); + static void nfs_access_free_entry(struct nfs_access_entry *entry) { put_rpccred(entry->cred); - kfree(entry); + kfree_rcu(entry, rcu_head); smp_mb__before_atomic(); atomic_long_dec(&nfs_access_nr_entries); smp_mb__after_atomic(); @@ -2048,19 +2096,14 @@ static void nfs_access_free_list(struct list_head *head) } } -unsigned long -nfs_access_cache_scan(struct shrinker *shrink, struct shrink_control *sc) +static unsigned long +nfs_do_access_cache_scan(unsigned int nr_to_scan) { LIST_HEAD(head); struct nfs_inode *nfsi, *next; struct nfs_access_entry *cache; - int nr_to_scan = sc->nr_to_scan; - gfp_t gfp_mask = sc->gfp_mask; long freed = 0; - if ((gfp_mask & GFP_KERNEL) != GFP_KERNEL) - return SHRINK_STOP; - spin_lock(&nfs_access_lru_lock); list_for_each_entry_safe(nfsi, next, &nfs_access_lru_list, access_cache_inode_lru) { struct inode *inode; @@ -2094,11 +2137,39 @@ remove_lru_entry: } unsigned long +nfs_access_cache_scan(struct shrinker *shrink, struct shrink_control *sc) +{ + int nr_to_scan = sc->nr_to_scan; + gfp_t gfp_mask = sc->gfp_mask; + + if ((gfp_mask & GFP_KERNEL) != GFP_KERNEL) + return SHRINK_STOP; + return nfs_do_access_cache_scan(nr_to_scan); +} + + +unsigned long nfs_access_cache_count(struct shrinker *shrink, struct shrink_control *sc) { return vfs_pressure_ratio(atomic_long_read(&nfs_access_nr_entries)); } +static void +nfs_access_cache_enforce_limit(void) +{ + long nr_entries = atomic_long_read(&nfs_access_nr_entries); + unsigned long diff; + unsigned int nr_to_scan; + + if (nr_entries < 0 || nr_entries <= nfs_access_max_cachesize) + return; + nr_to_scan = 100; + diff = nr_entries - nfs_access_max_cachesize; + if (diff < nr_to_scan) + nr_to_scan = diff; + nfs_do_access_cache_scan(nr_to_scan); +} + static void __nfs_access_zap_cache(struct nfs_inode *nfsi, struct list_head *head) { struct rb_root *root_node = &nfsi->access_cache; @@ -2186,6 +2257,38 @@ out_zap: return -ENOENT; } +static int nfs_access_get_cached_rcu(struct inode *inode, struct rpc_cred *cred, struct nfs_access_entry *res) +{ + /* Only check the most recently returned cache entry, + * but do it without locking. + */ + struct nfs_inode *nfsi = NFS_I(inode); + struct nfs_access_entry *cache; + int err = -ECHILD; + struct list_head *lh; + + rcu_read_lock(); + if (nfsi->cache_validity & NFS_INO_INVALID_ACCESS) + goto out; + lh = rcu_dereference(nfsi->access_cache_entry_lru.prev); + cache = list_entry(lh, struct nfs_access_entry, lru); + if (lh == &nfsi->access_cache_entry_lru || + cred != cache->cred) + cache = NULL; + if (cache == NULL) + goto out; + if (!nfs_have_delegated_attributes(inode) && + !time_in_range_open(jiffies, cache->jiffies, cache->jiffies + nfsi->attrtimeo)) + goto out; + res->jiffies = cache->jiffies; + res->cred = cache->cred; + res->mask = cache->mask; + err = 0; +out: + rcu_read_unlock(); + return err; +} + static void nfs_access_add_rbtree(struct inode *inode, struct nfs_access_entry *set) { struct nfs_inode *nfsi = NFS_I(inode); @@ -2229,6 +2332,11 @@ void nfs_access_add_cache(struct inode *inode, struct nfs_access_entry *set) cache->cred = get_rpccred(set->cred); cache->mask = set->mask; + /* The above field assignments must be visible + * before this item appears on the lru. We cannot easily + * use rcu_assign_pointer, so just force the memory barrier. + */ + smp_wmb(); nfs_access_add_rbtree(inode, cache); /* Update accounting */ @@ -2244,6 +2352,7 @@ void nfs_access_add_cache(struct inode *inode, struct nfs_access_entry *set) &nfs_access_lru_list); spin_unlock(&nfs_access_lru_lock); } + nfs_access_cache_enforce_limit(); } EXPORT_SYMBOL_GPL(nfs_access_add_cache); @@ -2267,10 +2376,16 @@ static int nfs_do_access(struct inode *inode, struct rpc_cred *cred, int mask) trace_nfs_access_enter(inode); - status = nfs_access_get_cached(inode, cred, &cache); + status = nfs_access_get_cached_rcu(inode, cred, &cache); + if (status != 0) + status = nfs_access_get_cached(inode, cred, &cache); if (status == 0) goto out_cached; + status = -ECHILD; + if (mask & MAY_NOT_BLOCK) + goto out; + /* Be clever: ask server to check for all possible rights */ cache.mask = MAY_EXEC | MAY_WRITE | MAY_READ; cache.cred = cred; @@ -2321,9 +2436,6 @@ int nfs_permission(struct inode *inode, int mask) struct rpc_cred *cred; int res = 0; - if (mask & MAY_NOT_BLOCK) - return -ECHILD; - nfs_inc_stats(inode, NFSIOS_VFSACCESS); if ((mask & (MAY_READ | MAY_WRITE | MAY_EXEC)) == 0) @@ -2350,12 +2462,23 @@ force_lookup: if (!NFS_PROTO(inode)->access) goto out_notsup; - cred = rpc_lookup_cred(); - if (!IS_ERR(cred)) { - res = nfs_do_access(inode, cred, mask); - put_rpccred(cred); - } else + /* Always try fast lookups first */ + rcu_read_lock(); + cred = rpc_lookup_cred_nonblock(); + if (!IS_ERR(cred)) + res = nfs_do_access(inode, cred, mask|MAY_NOT_BLOCK); + else res = PTR_ERR(cred); + rcu_read_unlock(); + if (res == -ECHILD && !(mask & MAY_NOT_BLOCK)) { + /* Fast lookup failed, try the slow way */ + cred = rpc_lookup_cred(); + if (!IS_ERR(cred)) { + res = nfs_do_access(inode, cred, mask); + put_rpccred(cred); + } else + res = PTR_ERR(cred); + } out: if (!res && (mask & MAY_EXEC) && !execute_ok(inode)) res = -EACCES; @@ -2364,6 +2487,9 @@ out: inode->i_sb->s_id, inode->i_ino, mask, res); return res; out_notsup: + if (mask & MAY_NOT_BLOCK) + return -ECHILD; + res = nfs_revalidate_inode(NFS_SERVER(inode), inode); if (res == 0) res = generic_permission(inode, mask); diff --git a/fs/nfs/direct.c b/fs/nfs/direct.c index f11b9eed0de1..65ef6e00deee 100644 --- a/fs/nfs/direct.c +++ b/fs/nfs/direct.c @@ -148,8 +148,8 @@ static void nfs_direct_set_hdr_verf(struct nfs_direct_req *dreq, { struct nfs_writeverf *verfp; - verfp = nfs_direct_select_verf(dreq, hdr->data->ds_clp, - hdr->data->ds_idx); + verfp = nfs_direct_select_verf(dreq, hdr->ds_clp, + hdr->ds_idx); WARN_ON_ONCE(verfp->committed >= 0); memcpy(verfp, &hdr->verf, sizeof(struct nfs_writeverf)); WARN_ON_ONCE(verfp->committed < 0); @@ -169,8 +169,8 @@ static int nfs_direct_set_or_cmp_hdr_verf(struct nfs_direct_req *dreq, { struct nfs_writeverf *verfp; - verfp = nfs_direct_select_verf(dreq, hdr->data->ds_clp, - hdr->data->ds_idx); + verfp = nfs_direct_select_verf(dreq, hdr->ds_clp, + hdr->ds_idx); if (verfp->committed < 0) { nfs_direct_set_hdr_verf(dreq, hdr); return 0; @@ -715,7 +715,7 @@ static void nfs_direct_write_completion(struct nfs_pgio_header *hdr) { struct nfs_direct_req *dreq = hdr->dreq; struct nfs_commit_info cinfo; - int bit = -1; + bool request_commit = false; struct nfs_page *req = nfs_list_entry(hdr->pages.next); if (test_bit(NFS_IOHDR_REDO, &hdr->flags)) @@ -729,27 +729,20 @@ static void nfs_direct_write_completion(struct nfs_pgio_header *hdr) dreq->flags = 0; dreq->error = hdr->error; } - if (dreq->error != 0) - bit = NFS_IOHDR_ERROR; - else { + if (dreq->error == 0) { dreq->count += hdr->good_bytes; - if (test_bit(NFS_IOHDR_NEED_RESCHED, &hdr->flags)) { - dreq->flags = NFS_ODIRECT_RESCHED_WRITES; - bit = NFS_IOHDR_NEED_RESCHED; - } else if (test_bit(NFS_IOHDR_NEED_COMMIT, &hdr->flags)) { + if (nfs_write_need_commit(hdr)) { if (dreq->flags == NFS_ODIRECT_RESCHED_WRITES) - bit = NFS_IOHDR_NEED_RESCHED; + request_commit = true; else if (dreq->flags == 0) { nfs_direct_set_hdr_verf(dreq, hdr); - bit = NFS_IOHDR_NEED_COMMIT; + request_commit = true; dreq->flags = NFS_ODIRECT_DO_COMMIT; } else if (dreq->flags == NFS_ODIRECT_DO_COMMIT) { - if (nfs_direct_set_or_cmp_hdr_verf(dreq, hdr)) { + request_commit = true; + if (nfs_direct_set_or_cmp_hdr_verf(dreq, hdr)) dreq->flags = NFS_ODIRECT_RESCHED_WRITES; - bit = NFS_IOHDR_NEED_RESCHED; - } else - bit = NFS_IOHDR_NEED_COMMIT; } } } @@ -759,9 +752,7 @@ static void nfs_direct_write_completion(struct nfs_pgio_header *hdr) req = nfs_list_entry(hdr->pages.next); nfs_list_remove_request(req); - switch (bit) { - case NFS_IOHDR_NEED_RESCHED: - case NFS_IOHDR_NEED_COMMIT: + if (request_commit) { kref_get(&req->wb_kref); nfs_mark_request_commit(req, hdr->lseg, &cinfo); } diff --git a/fs/nfs/filelayout/filelayout.c b/fs/nfs/filelayout/filelayout.c index d2eba1c13b7e..1359c4a27393 100644 --- a/fs/nfs/filelayout/filelayout.c +++ b/fs/nfs/filelayout/filelayout.c @@ -84,45 +84,37 @@ filelayout_get_dserver_offset(struct pnfs_layout_segment *lseg, loff_t offset) BUG(); } -static void filelayout_reset_write(struct nfs_pgio_data *data) +static void filelayout_reset_write(struct nfs_pgio_header *hdr) { - struct nfs_pgio_header *hdr = data->header; - struct rpc_task *task = &data->task; + struct rpc_task *task = &hdr->task; if (!test_and_set_bit(NFS_IOHDR_REDO, &hdr->flags)) { dprintk("%s Reset task %5u for i/o through MDS " "(req %s/%llu, %u bytes @ offset %llu)\n", __func__, - data->task.tk_pid, + hdr->task.tk_pid, hdr->inode->i_sb->s_id, (unsigned long long)NFS_FILEID(hdr->inode), - data->args.count, - (unsigned long long)data->args.offset); + hdr->args.count, + (unsigned long long)hdr->args.offset); - task->tk_status = pnfs_write_done_resend_to_mds(hdr->inode, - &hdr->pages, - hdr->completion_ops, - hdr->dreq); + task->tk_status = pnfs_write_done_resend_to_mds(hdr); } } -static void filelayout_reset_read(struct nfs_pgio_data *data) +static void filelayout_reset_read(struct nfs_pgio_header *hdr) { - struct nfs_pgio_header *hdr = data->header; - struct rpc_task *task = &data->task; + struct rpc_task *task = &hdr->task; if (!test_and_set_bit(NFS_IOHDR_REDO, &hdr->flags)) { dprintk("%s Reset task %5u for i/o through MDS " "(req %s/%llu, %u bytes @ offset %llu)\n", __func__, - data->task.tk_pid, + hdr->task.tk_pid, hdr->inode->i_sb->s_id, (unsigned long long)NFS_FILEID(hdr->inode), - data->args.count, - (unsigned long long)data->args.offset); + hdr->args.count, + (unsigned long long)hdr->args.offset); - task->tk_status = pnfs_read_done_resend_to_mds(hdr->inode, - &hdr->pages, - hdr->completion_ops, - hdr->dreq); + task->tk_status = pnfs_read_done_resend_to_mds(hdr); } } @@ -243,18 +235,17 @@ wait_on_recovery: /* NFS_PROTO call done callback routines */ static int filelayout_read_done_cb(struct rpc_task *task, - struct nfs_pgio_data *data) + struct nfs_pgio_header *hdr) { - struct nfs_pgio_header *hdr = data->header; int err; - trace_nfs4_pnfs_read(data, task->tk_status); - err = filelayout_async_handle_error(task, data->args.context->state, - data->ds_clp, hdr->lseg); + trace_nfs4_pnfs_read(hdr, task->tk_status); + err = filelayout_async_handle_error(task, hdr->args.context->state, + hdr->ds_clp, hdr->lseg); switch (err) { case -NFS4ERR_RESET_TO_MDS: - filelayout_reset_read(data); + filelayout_reset_read(hdr); return task->tk_status; case -EAGAIN: rpc_restart_call_prepare(task); @@ -270,15 +261,14 @@ static int filelayout_read_done_cb(struct rpc_task *task, * rfc5661 is not clear about which credential should be used. */ static void -filelayout_set_layoutcommit(struct nfs_pgio_data *wdata) +filelayout_set_layoutcommit(struct nfs_pgio_header *hdr) { - struct nfs_pgio_header *hdr = wdata->header; if (FILELAYOUT_LSEG(hdr->lseg)->commit_through_mds || - wdata->res.verf->committed == NFS_FILE_SYNC) + hdr->res.verf->committed == NFS_FILE_SYNC) return; - pnfs_set_layoutcommit(wdata); + pnfs_set_layoutcommit(hdr); dprintk("%s inode %lu pls_end_pos %lu\n", __func__, hdr->inode->i_ino, (unsigned long) NFS_I(hdr->inode)->layout->plh_lwb); } @@ -305,83 +295,82 @@ filelayout_reset_to_mds(struct pnfs_layout_segment *lseg) */ static void filelayout_read_prepare(struct rpc_task *task, void *data) { - struct nfs_pgio_data *rdata = data; + struct nfs_pgio_header *hdr = data; - if (unlikely(test_bit(NFS_CONTEXT_BAD, &rdata->args.context->flags))) { + if (unlikely(test_bit(NFS_CONTEXT_BAD, &hdr->args.context->flags))) { rpc_exit(task, -EIO); return; } - if (filelayout_reset_to_mds(rdata->header->lseg)) { + if (filelayout_reset_to_mds(hdr->lseg)) { dprintk("%s task %u reset io to MDS\n", __func__, task->tk_pid); - filelayout_reset_read(rdata); + filelayout_reset_read(hdr); rpc_exit(task, 0); return; } - rdata->pgio_done_cb = filelayout_read_done_cb; + hdr->pgio_done_cb = filelayout_read_done_cb; - if (nfs41_setup_sequence(rdata->ds_clp->cl_session, - &rdata->args.seq_args, - &rdata->res.seq_res, + if (nfs41_setup_sequence(hdr->ds_clp->cl_session, + &hdr->args.seq_args, + &hdr->res.seq_res, task)) return; - if (nfs4_set_rw_stateid(&rdata->args.stateid, rdata->args.context, - rdata->args.lock_context, FMODE_READ) == -EIO) + if (nfs4_set_rw_stateid(&hdr->args.stateid, hdr->args.context, + hdr->args.lock_context, FMODE_READ) == -EIO) rpc_exit(task, -EIO); /* lost lock, terminate I/O */ } static void filelayout_read_call_done(struct rpc_task *task, void *data) { - struct nfs_pgio_data *rdata = data; + struct nfs_pgio_header *hdr = data; dprintk("--> %s task->tk_status %d\n", __func__, task->tk_status); - if (test_bit(NFS_IOHDR_REDO, &rdata->header->flags) && + if (test_bit(NFS_IOHDR_REDO, &hdr->flags) && task->tk_status == 0) { - nfs41_sequence_done(task, &rdata->res.seq_res); + nfs41_sequence_done(task, &hdr->res.seq_res); return; } /* Note this may cause RPC to be resent */ - rdata->header->mds_ops->rpc_call_done(task, data); + hdr->mds_ops->rpc_call_done(task, data); } static void filelayout_read_count_stats(struct rpc_task *task, void *data) { - struct nfs_pgio_data *rdata = data; + struct nfs_pgio_header *hdr = data; - rpc_count_iostats(task, NFS_SERVER(rdata->header->inode)->client->cl_metrics); + rpc_count_iostats(task, NFS_SERVER(hdr->inode)->client->cl_metrics); } static void filelayout_read_release(void *data) { - struct nfs_pgio_data *rdata = data; - struct pnfs_layout_hdr *lo = rdata->header->lseg->pls_layout; + struct nfs_pgio_header *hdr = data; + struct pnfs_layout_hdr *lo = hdr->lseg->pls_layout; filelayout_fenceme(lo->plh_inode, lo); - nfs_put_client(rdata->ds_clp); - rdata->header->mds_ops->rpc_release(data); + nfs_put_client(hdr->ds_clp); + hdr->mds_ops->rpc_release(data); } static int filelayout_write_done_cb(struct rpc_task *task, - struct nfs_pgio_data *data) + struct nfs_pgio_header *hdr) { - struct nfs_pgio_header *hdr = data->header; int err; - trace_nfs4_pnfs_write(data, task->tk_status); - err = filelayout_async_handle_error(task, data->args.context->state, - data->ds_clp, hdr->lseg); + trace_nfs4_pnfs_write(hdr, task->tk_status); + err = filelayout_async_handle_error(task, hdr->args.context->state, + hdr->ds_clp, hdr->lseg); switch (err) { case -NFS4ERR_RESET_TO_MDS: - filelayout_reset_write(data); + filelayout_reset_write(hdr); return task->tk_status; case -EAGAIN: rpc_restart_call_prepare(task); return -EAGAIN; } - filelayout_set_layoutcommit(data); + filelayout_set_layoutcommit(hdr); return 0; } @@ -419,57 +408,57 @@ static int filelayout_commit_done_cb(struct rpc_task *task, static void filelayout_write_prepare(struct rpc_task *task, void *data) { - struct nfs_pgio_data *wdata = data; + struct nfs_pgio_header *hdr = data; - if (unlikely(test_bit(NFS_CONTEXT_BAD, &wdata->args.context->flags))) { + if (unlikely(test_bit(NFS_CONTEXT_BAD, &hdr->args.context->flags))) { rpc_exit(task, -EIO); return; } - if (filelayout_reset_to_mds(wdata->header->lseg)) { + if (filelayout_reset_to_mds(hdr->lseg)) { dprintk("%s task %u reset io to MDS\n", __func__, task->tk_pid); - filelayout_reset_write(wdata); + filelayout_reset_write(hdr); rpc_exit(task, 0); return; } - if (nfs41_setup_sequence(wdata->ds_clp->cl_session, - &wdata->args.seq_args, - &wdata->res.seq_res, + if (nfs41_setup_sequence(hdr->ds_clp->cl_session, + &hdr->args.seq_args, + &hdr->res.seq_res, task)) return; - if (nfs4_set_rw_stateid(&wdata->args.stateid, wdata->args.context, - wdata->args.lock_context, FMODE_WRITE) == -EIO) + if (nfs4_set_rw_stateid(&hdr->args.stateid, hdr->args.context, + hdr->args.lock_context, FMODE_WRITE) == -EIO) rpc_exit(task, -EIO); /* lost lock, terminate I/O */ } static void filelayout_write_call_done(struct rpc_task *task, void *data) { - struct nfs_pgio_data *wdata = data; + struct nfs_pgio_header *hdr = data; - if (test_bit(NFS_IOHDR_REDO, &wdata->header->flags) && + if (test_bit(NFS_IOHDR_REDO, &hdr->flags) && task->tk_status == 0) { - nfs41_sequence_done(task, &wdata->res.seq_res); + nfs41_sequence_done(task, &hdr->res.seq_res); return; } /* Note this may cause RPC to be resent */ - wdata->header->mds_ops->rpc_call_done(task, data); + hdr->mds_ops->rpc_call_done(task, data); } static void filelayout_write_count_stats(struct rpc_task *task, void *data) { - struct nfs_pgio_data *wdata = data; + struct nfs_pgio_header *hdr = data; - rpc_count_iostats(task, NFS_SERVER(wdata->header->inode)->client->cl_metrics); + rpc_count_iostats(task, NFS_SERVER(hdr->inode)->client->cl_metrics); } static void filelayout_write_release(void *data) { - struct nfs_pgio_data *wdata = data; - struct pnfs_layout_hdr *lo = wdata->header->lseg->pls_layout; + struct nfs_pgio_header *hdr = data; + struct pnfs_layout_hdr *lo = hdr->lseg->pls_layout; filelayout_fenceme(lo->plh_inode, lo); - nfs_put_client(wdata->ds_clp); - wdata->header->mds_ops->rpc_release(data); + nfs_put_client(hdr->ds_clp); + hdr->mds_ops->rpc_release(data); } static void filelayout_commit_prepare(struct rpc_task *task, void *data) @@ -529,19 +518,18 @@ static const struct rpc_call_ops filelayout_commit_call_ops = { }; static enum pnfs_try_status -filelayout_read_pagelist(struct nfs_pgio_data *data) +filelayout_read_pagelist(struct nfs_pgio_header *hdr) { - struct nfs_pgio_header *hdr = data->header; struct pnfs_layout_segment *lseg = hdr->lseg; struct nfs4_pnfs_ds *ds; struct rpc_clnt *ds_clnt; - loff_t offset = data->args.offset; + loff_t offset = hdr->args.offset; u32 j, idx; struct nfs_fh *fh; dprintk("--> %s ino %lu pgbase %u req %Zu@%llu\n", __func__, hdr->inode->i_ino, - data->args.pgbase, (size_t)data->args.count, offset); + hdr->args.pgbase, (size_t)hdr->args.count, offset); /* Retrieve the correct rpc_client for the byte range */ j = nfs4_fl_calc_j_index(lseg, offset); @@ -559,30 +547,29 @@ filelayout_read_pagelist(struct nfs_pgio_data *data) /* No multipath support. Use first DS */ atomic_inc(&ds->ds_clp->cl_count); - data->ds_clp = ds->ds_clp; - data->ds_idx = idx; + hdr->ds_clp = ds->ds_clp; + hdr->ds_idx = idx; fh = nfs4_fl_select_ds_fh(lseg, j); if (fh) - data->args.fh = fh; + hdr->args.fh = fh; - data->args.offset = filelayout_get_dserver_offset(lseg, offset); - data->mds_offset = offset; + hdr->args.offset = filelayout_get_dserver_offset(lseg, offset); + hdr->mds_offset = offset; /* Perform an asynchronous read to ds */ - nfs_initiate_pgio(ds_clnt, data, + nfs_initiate_pgio(ds_clnt, hdr, &filelayout_read_call_ops, 0, RPC_TASK_SOFTCONN); return PNFS_ATTEMPTED; } /* Perform async writes. */ static enum pnfs_try_status -filelayout_write_pagelist(struct nfs_pgio_data *data, int sync) +filelayout_write_pagelist(struct nfs_pgio_header *hdr, int sync) { - struct nfs_pgio_header *hdr = data->header; struct pnfs_layout_segment *lseg = hdr->lseg; struct nfs4_pnfs_ds *ds; struct rpc_clnt *ds_clnt; - loff_t offset = data->args.offset; + loff_t offset = hdr->args.offset; u32 j, idx; struct nfs_fh *fh; @@ -598,21 +585,20 @@ filelayout_write_pagelist(struct nfs_pgio_data *data, int sync) return PNFS_NOT_ATTEMPTED; dprintk("%s ino %lu sync %d req %Zu@%llu DS: %s cl_count %d\n", - __func__, hdr->inode->i_ino, sync, (size_t) data->args.count, + __func__, hdr->inode->i_ino, sync, (size_t) hdr->args.count, offset, ds->ds_remotestr, atomic_read(&ds->ds_clp->cl_count)); - data->pgio_done_cb = filelayout_write_done_cb; + hdr->pgio_done_cb = filelayout_write_done_cb; atomic_inc(&ds->ds_clp->cl_count); - data->ds_clp = ds->ds_clp; - data->ds_idx = idx; + hdr->ds_clp = ds->ds_clp; + hdr->ds_idx = idx; fh = nfs4_fl_select_ds_fh(lseg, j); if (fh) - data->args.fh = fh; - - data->args.offset = filelayout_get_dserver_offset(lseg, offset); + hdr->args.fh = fh; + hdr->args.offset = filelayout_get_dserver_offset(lseg, offset); /* Perform an asynchronous write */ - nfs_initiate_pgio(ds_clnt, data, + nfs_initiate_pgio(ds_clnt, hdr, &filelayout_write_call_ops, sync, RPC_TASK_SOFTCONN); return PNFS_ATTEMPTED; @@ -1023,6 +1009,7 @@ static u32 select_bucket_index(struct nfs4_filelayout_segment *fl, u32 j) /* The generic layer is about to remove the req from the commit list. * If this will make the bucket empty, it will need to put the lseg reference. + * Note this is must be called holding the inode (/cinfo) lock */ static void filelayout_clear_request_commit(struct nfs_page *req, @@ -1030,7 +1017,6 @@ filelayout_clear_request_commit(struct nfs_page *req, { struct pnfs_layout_segment *freeme = NULL; - spin_lock(cinfo->lock); if (!test_and_clear_bit(PG_COMMIT_TO_DS, &req->wb_flags)) goto out; cinfo->ds->nwritten--; @@ -1045,22 +1031,25 @@ filelayout_clear_request_commit(struct nfs_page *req, } out: nfs_request_remove_commit_list(req, cinfo); - spin_unlock(cinfo->lock); - pnfs_put_lseg(freeme); + pnfs_put_lseg_async(freeme); } -static struct list_head * -filelayout_choose_commit_list(struct nfs_page *req, - struct pnfs_layout_segment *lseg, - struct nfs_commit_info *cinfo) +static void +filelayout_mark_request_commit(struct nfs_page *req, + struct pnfs_layout_segment *lseg, + struct nfs_commit_info *cinfo) + { struct nfs4_filelayout_segment *fl = FILELAYOUT_LSEG(lseg); u32 i, j; struct list_head *list; struct pnfs_commit_bucket *buckets; - if (fl->commit_through_mds) - return &cinfo->mds->list; + if (fl->commit_through_mds) { + list = &cinfo->mds->list; + spin_lock(cinfo->lock); + goto mds_commit; + } /* Note that we are calling nfs4_fl_calc_j_index on each page * that ends up being committed to a data server. An attractive @@ -1084,19 +1073,22 @@ filelayout_choose_commit_list(struct nfs_page *req, } set_bit(PG_COMMIT_TO_DS, &req->wb_flags); cinfo->ds->nwritten++; - spin_unlock(cinfo->lock); - return list; -} -static void -filelayout_mark_request_commit(struct nfs_page *req, - struct pnfs_layout_segment *lseg, - struct nfs_commit_info *cinfo) -{ - struct list_head *list; - - list = filelayout_choose_commit_list(req, lseg, cinfo); - nfs_request_add_commit_list(req, list, cinfo); +mds_commit: + /* nfs_request_add_commit_list(). We need to add req to list without + * dropping cinfo lock. + */ + set_bit(PG_CLEAN, &(req)->wb_flags); + nfs_list_add_request(req, list); + cinfo->mds->ncommit++; + spin_unlock(cinfo->lock); + if (!cinfo->dreq) { + inc_zone_page_state(req->wb_page, NR_UNSTABLE_NFS); + inc_bdi_stat(page_file_mapping(req->wb_page)->backing_dev_info, + BDI_RECLAIMABLE); + __mark_inode_dirty(req->wb_context->dentry->d_inode, + I_DIRTY_DATASYNC); + } } static u32 calc_ds_index_from_commit(struct pnfs_layout_segment *lseg, u32 i) @@ -1244,15 +1236,63 @@ restart: spin_unlock(cinfo->lock); } +/* filelayout_search_commit_reqs - Search lists in @cinfo for the head reqest + * for @page + * @cinfo - commit info for current inode + * @page - page to search for matching head request + * + * Returns a the head request if one is found, otherwise returns NULL. + */ +static struct nfs_page * +filelayout_search_commit_reqs(struct nfs_commit_info *cinfo, struct page *page) +{ + struct nfs_page *freq, *t; + struct pnfs_commit_bucket *b; + int i; + + /* Linearly search the commit lists for each bucket until a matching + * request is found */ + for (i = 0, b = cinfo->ds->buckets; i < cinfo->ds->nbuckets; i++, b++) { + list_for_each_entry_safe(freq, t, &b->written, wb_list) { + if (freq->wb_page == page) + return freq->wb_head; + } + list_for_each_entry_safe(freq, t, &b->committing, wb_list) { + if (freq->wb_page == page) + return freq->wb_head; + } + } + + return NULL; +} + +static void filelayout_retry_commit(struct nfs_commit_info *cinfo, int idx) +{ + struct pnfs_ds_commit_info *fl_cinfo = cinfo->ds; + struct pnfs_commit_bucket *bucket = fl_cinfo->buckets; + struct pnfs_layout_segment *freeme; + int i; + + for (i = idx; i < fl_cinfo->nbuckets; i++, bucket++) { + if (list_empty(&bucket->committing)) + continue; + nfs_retry_commit(&bucket->committing, bucket->clseg, cinfo); + spin_lock(cinfo->lock); + freeme = bucket->clseg; + bucket->clseg = NULL; + spin_unlock(cinfo->lock); + pnfs_put_lseg(freeme); + } +} + static unsigned int alloc_ds_commits(struct nfs_commit_info *cinfo, struct list_head *list) { struct pnfs_ds_commit_info *fl_cinfo; struct pnfs_commit_bucket *bucket; struct nfs_commit_data *data; - int i, j; + int i; unsigned int nreq = 0; - struct pnfs_layout_segment *freeme; fl_cinfo = cinfo->ds; bucket = fl_cinfo->buckets; @@ -1272,16 +1312,7 @@ alloc_ds_commits(struct nfs_commit_info *cinfo, struct list_head *list) } /* Clean up on error */ - for (j = i; j < fl_cinfo->nbuckets; j++, bucket++) { - if (list_empty(&bucket->committing)) - continue; - nfs_retry_commit(&bucket->committing, bucket->clseg, cinfo); - spin_lock(cinfo->lock); - freeme = bucket->clseg; - bucket->clseg = NULL; - spin_unlock(cinfo->lock); - pnfs_put_lseg(freeme); - } + filelayout_retry_commit(cinfo, i); /* Caller will clean up entries put on list */ return nreq; } @@ -1301,8 +1332,12 @@ filelayout_commit_pagelist(struct inode *inode, struct list_head *mds_pages, data->lseg = NULL; list_add(&data->pages, &list); nreq++; - } else + } else { nfs_retry_commit(mds_pages, NULL, cinfo); + filelayout_retry_commit(cinfo, 0); + cinfo->completion_ops->error_cleanup(NFS_I(inode)); + return -ENOMEM; + } } nreq += alloc_ds_commits(cinfo, &list); @@ -1380,6 +1415,7 @@ static struct pnfs_layoutdriver_type filelayout_type = { .clear_request_commit = filelayout_clear_request_commit, .scan_commit_lists = filelayout_scan_commit_lists, .recover_commit_reqs = filelayout_recover_commit_reqs, + .search_commit_reqs = filelayout_search_commit_reqs, .commit_pagelist = filelayout_commit_pagelist, .read_pagelist = filelayout_read_pagelist, .write_pagelist = filelayout_write_pagelist, diff --git a/fs/nfs/filelayout/filelayoutdev.c b/fs/nfs/filelayout/filelayoutdev.c index e2a0361e24c6..8540516f4d71 100644 --- a/fs/nfs/filelayout/filelayoutdev.c +++ b/fs/nfs/filelayout/filelayoutdev.c @@ -695,7 +695,7 @@ filelayout_get_device_info(struct inode *inode, if (pdev == NULL) return NULL; - pages = kzalloc(max_pages * sizeof(struct page *), gfp_flags); + pages = kcalloc(max_pages, sizeof(struct page *), gfp_flags); if (pages == NULL) { kfree(pdev); return NULL; diff --git a/fs/nfs/getroot.c b/fs/nfs/getroot.c index b94f80420a58..880618a8b048 100644 --- a/fs/nfs/getroot.c +++ b/fs/nfs/getroot.c @@ -112,7 +112,7 @@ struct dentry *nfs_get_root(struct super_block *sb, struct nfs_fh *mntfh, * if the dentry tree reaches them; however if the dentry already * exists, we'll pick it up at this point and use it as the root */ - ret = d_obtain_alias(inode); + ret = d_obtain_root(inode); if (IS_ERR(ret)) { dprintk("nfs_get_root: get root dentry failed\n"); goto out; diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c index 68921b01b792..577a36f0a510 100644 --- a/fs/nfs/inode.c +++ b/fs/nfs/inode.c @@ -1002,6 +1002,15 @@ int nfs_revalidate_inode(struct nfs_server *server, struct inode *inode) } EXPORT_SYMBOL_GPL(nfs_revalidate_inode); +int nfs_revalidate_inode_rcu(struct nfs_server *server, struct inode *inode) +{ + if (!(NFS_I(inode)->cache_validity & + (NFS_INO_INVALID_ATTR|NFS_INO_INVALID_LABEL)) + && !nfs_attribute_cache_expired(inode)) + return NFS_STALE(inode) ? -ESTALE : 0; + return -ECHILD; +} + static int nfs_invalidate_mapping(struct inode *inode, struct address_space *mapping) { struct nfs_inode *nfsi = NFS_I(inode); diff --git a/fs/nfs/internal.h b/fs/nfs/internal.h index e2a45ae5014e..9056622d2230 100644 --- a/fs/nfs/internal.h +++ b/fs/nfs/internal.h @@ -247,11 +247,11 @@ void nfs_set_pgio_error(struct nfs_pgio_header *hdr, int error, loff_t pos); int nfs_iocounter_wait(struct nfs_io_counter *c); extern const struct nfs_pageio_ops nfs_pgio_rw_ops; -struct nfs_rw_header *nfs_rw_header_alloc(const struct nfs_rw_ops *); -void nfs_rw_header_free(struct nfs_pgio_header *); -void nfs_pgio_data_release(struct nfs_pgio_data *); +struct nfs_pgio_header *nfs_pgio_header_alloc(const struct nfs_rw_ops *); +void nfs_pgio_header_free(struct nfs_pgio_header *); +void nfs_pgio_data_destroy(struct nfs_pgio_header *); int nfs_generic_pgio(struct nfs_pageio_descriptor *, struct nfs_pgio_header *); -int nfs_initiate_pgio(struct rpc_clnt *, struct nfs_pgio_data *, +int nfs_initiate_pgio(struct rpc_clnt *, struct nfs_pgio_header *, const struct rpc_call_ops *, int, int); void nfs_free_request(struct nfs_page *req); @@ -451,6 +451,7 @@ int nfs_scan_commit(struct inode *inode, struct list_head *dst, void nfs_mark_request_commit(struct nfs_page *req, struct pnfs_layout_segment *lseg, struct nfs_commit_info *cinfo); +int nfs_write_need_commit(struct nfs_pgio_header *); int nfs_generic_commit_list(struct inode *inode, struct list_head *head, int how, struct nfs_commit_info *cinfo); void nfs_retry_commit(struct list_head *page_list, @@ -491,7 +492,7 @@ static inline void nfs_inode_dio_wait(struct inode *inode) extern ssize_t nfs_dreq_bytes_left(struct nfs_direct_req *dreq); /* nfs4proc.c */ -extern void __nfs4_read_done_cb(struct nfs_pgio_data *); +extern void __nfs4_read_done_cb(struct nfs_pgio_header *); extern struct nfs_client *nfs4_init_client(struct nfs_client *clp, const struct rpc_timeout *timeparms, const char *ip_addr); diff --git a/fs/nfs/nfs3acl.c b/fs/nfs/nfs3acl.c index 8f854dde4150..d0fec260132a 100644 --- a/fs/nfs/nfs3acl.c +++ b/fs/nfs/nfs3acl.c @@ -256,7 +256,7 @@ nfs3_list_one_acl(struct inode *inode, int type, const char *name, void *data, char *p = data + *result; acl = get_acl(inode, type); - if (!acl) + if (IS_ERR_OR_NULL(acl)) return 0; posix_acl_release(acl); diff --git a/fs/nfs/nfs3proc.c b/fs/nfs/nfs3proc.c index f0afa291fd58..809670eba52a 100644 --- a/fs/nfs/nfs3proc.c +++ b/fs/nfs/nfs3proc.c @@ -795,41 +795,44 @@ nfs3_proc_pathconf(struct nfs_server *server, struct nfs_fh *fhandle, return status; } -static int nfs3_read_done(struct rpc_task *task, struct nfs_pgio_data *data) +static int nfs3_read_done(struct rpc_task *task, struct nfs_pgio_header *hdr) { - struct inode *inode = data->header->inode; + struct inode *inode = hdr->inode; if (nfs3_async_handle_jukebox(task, inode)) return -EAGAIN; nfs_invalidate_atime(inode); - nfs_refresh_inode(inode, &data->fattr); + nfs_refresh_inode(inode, &hdr->fattr); return 0; } -static void nfs3_proc_read_setup(struct nfs_pgio_data *data, struct rpc_message *msg) +static void nfs3_proc_read_setup(struct nfs_pgio_header *hdr, + struct rpc_message *msg) { msg->rpc_proc = &nfs3_procedures[NFS3PROC_READ]; } -static int nfs3_proc_pgio_rpc_prepare(struct rpc_task *task, struct nfs_pgio_data *data) +static int nfs3_proc_pgio_rpc_prepare(struct rpc_task *task, + struct nfs_pgio_header *hdr) { rpc_call_start(task); return 0; } -static int nfs3_write_done(struct rpc_task *task, struct nfs_pgio_data *data) +static int nfs3_write_done(struct rpc_task *task, struct nfs_pgio_header *hdr) { - struct inode *inode = data->header->inode; + struct inode *inode = hdr->inode; if (nfs3_async_handle_jukebox(task, inode)) return -EAGAIN; if (task->tk_status >= 0) - nfs_post_op_update_inode_force_wcc(inode, data->res.fattr); + nfs_post_op_update_inode_force_wcc(inode, hdr->res.fattr); return 0; } -static void nfs3_proc_write_setup(struct nfs_pgio_data *data, struct rpc_message *msg) +static void nfs3_proc_write_setup(struct nfs_pgio_header *hdr, + struct rpc_message *msg) { msg->rpc_proc = &nfs3_procedures[NFS3PROC_WRITE]; } diff --git a/fs/nfs/nfs4_fs.h b/fs/nfs/nfs4_fs.h index ba2affa51941..92193eddb41d 100644 --- a/fs/nfs/nfs4_fs.h +++ b/fs/nfs/nfs4_fs.h @@ -54,7 +54,7 @@ struct nfs4_minor_version_ops { const nfs4_stateid *); int (*find_root_sec)(struct nfs_server *, struct nfs_fh *, struct nfs_fsinfo *); - int (*free_lock_state)(struct nfs_server *, + void (*free_lock_state)(struct nfs_server *, struct nfs4_lock_state *); const struct rpc_call_ops *call_sync_ops; const struct nfs4_state_recovery_ops *reboot_recovery_ops; @@ -129,27 +129,17 @@ enum { * LOCK: one nfs4_state (LOCK) to hold the lock stateid nfs4_state(OPEN) */ -struct nfs4_lock_owner { - unsigned int lo_type; -#define NFS4_ANY_LOCK_TYPE (0U) -#define NFS4_FLOCK_LOCK_TYPE (1U << 0) -#define NFS4_POSIX_LOCK_TYPE (1U << 1) - union { - fl_owner_t posix_owner; - pid_t flock_owner; - } lo_u; -}; - struct nfs4_lock_state { - struct list_head ls_locks; /* Other lock stateids */ - struct nfs4_state * ls_state; /* Pointer to open state */ + struct list_head ls_locks; /* Other lock stateids */ + struct nfs4_state * ls_state; /* Pointer to open state */ #define NFS_LOCK_INITIALIZED 0 #define NFS_LOCK_LOST 1 - unsigned long ls_flags; + unsigned long ls_flags; struct nfs_seqid_counter ls_seqid; - nfs4_stateid ls_stateid; - atomic_t ls_count; - struct nfs4_lock_owner ls_owner; + nfs4_stateid ls_stateid; + atomic_t ls_count; + fl_owner_t ls_owner; + struct work_struct ls_release; }; /* bits for nfs4_state->flags */ @@ -337,11 +327,11 @@ nfs4_state_protect(struct nfs_client *clp, unsigned long sp4_mode, */ static inline void nfs4_state_protect_write(struct nfs_client *clp, struct rpc_clnt **clntp, - struct rpc_message *msg, struct nfs_pgio_data *wdata) + struct rpc_message *msg, struct nfs_pgio_header *hdr) { if (_nfs4_state_protect(clp, NFS_SP4_MACH_CRED_WRITE, clntp, msg) && !test_bit(NFS_SP4_MACH_CRED_COMMIT, &clp->cl_sp4_flags)) - wdata->args.stable = NFS_FILE_SYNC; + hdr->args.stable = NFS_FILE_SYNC; } #else /* CONFIG_NFS_v4_1 */ static inline struct nfs4_session *nfs4_get_session(const struct nfs_server *server) @@ -369,7 +359,7 @@ nfs4_state_protect(struct nfs_client *clp, unsigned long sp4_flags, static inline void nfs4_state_protect_write(struct nfs_client *clp, struct rpc_clnt **clntp, - struct rpc_message *msg, struct nfs_pgio_data *wdata) + struct rpc_message *msg, struct nfs_pgio_header *hdr) { } #endif /* CONFIG_NFS_V4_1 */ diff --git a/fs/nfs/nfs4client.c b/fs/nfs/nfs4client.c index aa9ef4876046..53e435a95260 100644 --- a/fs/nfs/nfs4client.c +++ b/fs/nfs/nfs4client.c @@ -855,6 +855,11 @@ struct nfs_client *nfs4_set_ds_client(struct nfs_client* mds_clp, }; struct rpc_timeout ds_timeout; struct nfs_client *clp; + char buf[INET6_ADDRSTRLEN + 1]; + + if (rpc_ntop(ds_addr, buf, sizeof(buf)) <= 0) + return ERR_PTR(-EINVAL); + cl_init.hostname = buf; /* * Set an authflavor equual to the MDS value. Use the MDS nfs_client diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c index 4bf3d97cc5a0..75ae8d22f067 100644 --- a/fs/nfs/nfs4proc.c +++ b/fs/nfs/nfs4proc.c @@ -1952,6 +1952,14 @@ static int _nfs4_recover_proc_open(struct nfs4_opendata *data) return status; } +/* + * Additional permission checks in order to distinguish between an + * open for read, and an open for execute. This works around the + * fact that NFSv4 OPEN treats read and execute permissions as being + * the same. + * Note that in the non-execute case, we want to turn off permission + * checking if we just created a new file (POSIX open() semantics). + */ static int nfs4_opendata_access(struct rpc_cred *cred, struct nfs4_opendata *opendata, struct nfs4_state *state, fmode_t fmode, @@ -1966,14 +1974,14 @@ static int nfs4_opendata_access(struct rpc_cred *cred, return 0; mask = 0; - /* don't check MAY_WRITE - a newly created file may not have - * write mode bits, but POSIX allows the creating process to write. - * use openflags to check for exec, because fmode won't - * always have FMODE_EXEC set when file open for exec. */ + /* + * Use openflags to check for exec, because fmode won't + * always have FMODE_EXEC set when file open for exec. + */ if (openflags & __FMODE_EXEC) { /* ONLY check for exec rights */ mask = MAY_EXEC; - } else if (fmode & FMODE_READ) + } else if ((fmode & FMODE_READ) && !opendata->file_created) mask = MAY_READ; cache.cred = cred; @@ -2216,8 +2224,15 @@ static int _nfs4_open_and_get_state(struct nfs4_opendata *opendata, seq = raw_seqcount_begin(&sp->so_reclaim_seqcount); ret = _nfs4_proc_open(opendata); - if (ret != 0) + if (ret != 0) { + if (ret == -ENOENT) { + d_drop(opendata->dentry); + d_add(opendata->dentry, NULL); + nfs_set_verifier(opendata->dentry, + nfs_save_change_attribute(opendata->dir->d_inode)); + } goto out; + } state = nfs4_opendata_to_nfs4_state(opendata); ret = PTR_ERR(state); @@ -2647,6 +2662,48 @@ static const struct rpc_call_ops nfs4_close_ops = { .rpc_release = nfs4_free_closedata, }; +static bool nfs4_state_has_opener(struct nfs4_state *state) +{ + /* first check existing openers */ + if (test_bit(NFS_O_RDONLY_STATE, &state->flags) != 0 && + state->n_rdonly != 0) + return true; + + if (test_bit(NFS_O_WRONLY_STATE, &state->flags) != 0 && + state->n_wronly != 0) + return true; + + if (test_bit(NFS_O_RDWR_STATE, &state->flags) != 0 && + state->n_rdwr != 0) + return true; + + return false; +} + +static bool nfs4_roc(struct inode *inode) +{ + struct nfs_inode *nfsi = NFS_I(inode); + struct nfs_open_context *ctx; + struct nfs4_state *state; + + spin_lock(&inode->i_lock); + list_for_each_entry(ctx, &nfsi->open_files, list) { + state = ctx->state; + if (state == NULL) + continue; + if (nfs4_state_has_opener(state)) { + spin_unlock(&inode->i_lock); + return false; + } + } + spin_unlock(&inode->i_lock); + + if (nfs4_check_delegation(inode, FMODE_READ)) + return false; + + return pnfs_roc(inode); +} + /* * It is possible for data to be read/written from a mem-mapped file * after the sys_close call (which hits the vfs layer as a flush). @@ -2697,7 +2754,7 @@ int nfs4_do_close(struct nfs4_state *state, gfp_t gfp_mask, int wait) calldata->res.fattr = &calldata->fattr; calldata->res.seqid = calldata->arg.seqid; calldata->res.server = server; - calldata->roc = pnfs_roc(state->inode); + calldata->roc = nfs4_roc(state->inode); nfs_sb_active(calldata->inode->i_sb); msg.rpc_argp = &calldata->arg; @@ -4033,24 +4090,25 @@ static bool nfs4_error_stateid_expired(int err) return false; } -void __nfs4_read_done_cb(struct nfs_pgio_data *data) +void __nfs4_read_done_cb(struct nfs_pgio_header *hdr) { - nfs_invalidate_atime(data->header->inode); + nfs_invalidate_atime(hdr->inode); } -static int nfs4_read_done_cb(struct rpc_task *task, struct nfs_pgio_data *data) +static int nfs4_read_done_cb(struct rpc_task *task, struct nfs_pgio_header *hdr) { - struct nfs_server *server = NFS_SERVER(data->header->inode); + struct nfs_server *server = NFS_SERVER(hdr->inode); - trace_nfs4_read(data, task->tk_status); - if (nfs4_async_handle_error(task, server, data->args.context->state) == -EAGAIN) { + trace_nfs4_read(hdr, task->tk_status); + if (nfs4_async_handle_error(task, server, + hdr->args.context->state) == -EAGAIN) { rpc_restart_call_prepare(task); return -EAGAIN; } - __nfs4_read_done_cb(data); + __nfs4_read_done_cb(hdr); if (task->tk_status > 0) - renew_lease(server, data->timestamp); + renew_lease(server, hdr->timestamp); return 0; } @@ -4068,54 +4126,59 @@ static bool nfs4_read_stateid_changed(struct rpc_task *task, return true; } -static int nfs4_read_done(struct rpc_task *task, struct nfs_pgio_data *data) +static int nfs4_read_done(struct rpc_task *task, struct nfs_pgio_header *hdr) { dprintk("--> %s\n", __func__); - if (!nfs4_sequence_done(task, &data->res.seq_res)) + if (!nfs4_sequence_done(task, &hdr->res.seq_res)) return -EAGAIN; - if (nfs4_read_stateid_changed(task, &data->args)) + if (nfs4_read_stateid_changed(task, &hdr->args)) return -EAGAIN; - return data->pgio_done_cb ? data->pgio_done_cb(task, data) : - nfs4_read_done_cb(task, data); + return hdr->pgio_done_cb ? hdr->pgio_done_cb(task, hdr) : + nfs4_read_done_cb(task, hdr); } -static void nfs4_proc_read_setup(struct nfs_pgio_data *data, struct rpc_message *msg) +static void nfs4_proc_read_setup(struct nfs_pgio_header *hdr, + struct rpc_message *msg) { - data->timestamp = jiffies; - data->pgio_done_cb = nfs4_read_done_cb; + hdr->timestamp = jiffies; + hdr->pgio_done_cb = nfs4_read_done_cb; msg->rpc_proc = &nfs4_procedures[NFSPROC4_CLNT_READ]; - nfs4_init_sequence(&data->args.seq_args, &data->res.seq_res, 0); + nfs4_init_sequence(&hdr->args.seq_args, &hdr->res.seq_res, 0); } -static int nfs4_proc_pgio_rpc_prepare(struct rpc_task *task, struct nfs_pgio_data *data) +static int nfs4_proc_pgio_rpc_prepare(struct rpc_task *task, + struct nfs_pgio_header *hdr) { - if (nfs4_setup_sequence(NFS_SERVER(data->header->inode), - &data->args.seq_args, - &data->res.seq_res, + if (nfs4_setup_sequence(NFS_SERVER(hdr->inode), + &hdr->args.seq_args, + &hdr->res.seq_res, task)) return 0; - if (nfs4_set_rw_stateid(&data->args.stateid, data->args.context, - data->args.lock_context, data->header->rw_ops->rw_mode) == -EIO) + if (nfs4_set_rw_stateid(&hdr->args.stateid, hdr->args.context, + hdr->args.lock_context, + hdr->rw_ops->rw_mode) == -EIO) return -EIO; - if (unlikely(test_bit(NFS_CONTEXT_BAD, &data->args.context->flags))) + if (unlikely(test_bit(NFS_CONTEXT_BAD, &hdr->args.context->flags))) return -EIO; return 0; } -static int nfs4_write_done_cb(struct rpc_task *task, struct nfs_pgio_data *data) +static int nfs4_write_done_cb(struct rpc_task *task, + struct nfs_pgio_header *hdr) { - struct inode *inode = data->header->inode; + struct inode *inode = hdr->inode; - trace_nfs4_write(data, task->tk_status); - if (nfs4_async_handle_error(task, NFS_SERVER(inode), data->args.context->state) == -EAGAIN) { + trace_nfs4_write(hdr, task->tk_status); + if (nfs4_async_handle_error(task, NFS_SERVER(inode), + hdr->args.context->state) == -EAGAIN) { rpc_restart_call_prepare(task); return -EAGAIN; } if (task->tk_status >= 0) { - renew_lease(NFS_SERVER(inode), data->timestamp); - nfs_post_op_update_inode_force_wcc(inode, &data->fattr); + renew_lease(NFS_SERVER(inode), hdr->timestamp); + nfs_post_op_update_inode_force_wcc(inode, &hdr->fattr); } return 0; } @@ -4134,23 +4197,21 @@ static bool nfs4_write_stateid_changed(struct rpc_task *task, return true; } -static int nfs4_write_done(struct rpc_task *task, struct nfs_pgio_data *data) +static int nfs4_write_done(struct rpc_task *task, struct nfs_pgio_header *hdr) { - if (!nfs4_sequence_done(task, &data->res.seq_res)) + if (!nfs4_sequence_done(task, &hdr->res.seq_res)) return -EAGAIN; - if (nfs4_write_stateid_changed(task, &data->args)) + if (nfs4_write_stateid_changed(task, &hdr->args)) return -EAGAIN; - return data->pgio_done_cb ? data->pgio_done_cb(task, data) : - nfs4_write_done_cb(task, data); + return hdr->pgio_done_cb ? hdr->pgio_done_cb(task, hdr) : + nfs4_write_done_cb(task, hdr); } static -bool nfs4_write_need_cache_consistency_data(const struct nfs_pgio_data *data) +bool nfs4_write_need_cache_consistency_data(struct nfs_pgio_header *hdr) { - const struct nfs_pgio_header *hdr = data->header; - /* Don't request attributes for pNFS or O_DIRECT writes */ - if (data->ds_clp != NULL || hdr->dreq != NULL) + if (hdr->ds_clp != NULL || hdr->dreq != NULL) return false; /* Otherwise, request attributes if and only if we don't hold * a delegation @@ -4158,23 +4219,24 @@ bool nfs4_write_need_cache_consistency_data(const struct nfs_pgio_data *data) return nfs4_have_delegation(hdr->inode, FMODE_READ) == 0; } -static void nfs4_proc_write_setup(struct nfs_pgio_data *data, struct rpc_message *msg) +static void nfs4_proc_write_setup(struct nfs_pgio_header *hdr, + struct rpc_message *msg) { - struct nfs_server *server = NFS_SERVER(data->header->inode); + struct nfs_server *server = NFS_SERVER(hdr->inode); - if (!nfs4_write_need_cache_consistency_data(data)) { - data->args.bitmask = NULL; - data->res.fattr = NULL; + if (!nfs4_write_need_cache_consistency_data(hdr)) { + hdr->args.bitmask = NULL; + hdr->res.fattr = NULL; } else - data->args.bitmask = server->cache_consistency_bitmask; + hdr->args.bitmask = server->cache_consistency_bitmask; - if (!data->pgio_done_cb) - data->pgio_done_cb = nfs4_write_done_cb; - data->res.server = server; - data->timestamp = jiffies; + if (!hdr->pgio_done_cb) + hdr->pgio_done_cb = nfs4_write_done_cb; + hdr->res.server = server; + hdr->timestamp = jiffies; msg->rpc_proc = &nfs4_procedures[NFSPROC4_CLNT_WRITE]; - nfs4_init_sequence(&data->args.seq_args, &data->res.seq_res, 1); + nfs4_init_sequence(&hdr->args.seq_args, &hdr->res.seq_res, 1); } static void nfs4_proc_commit_rpc_prepare(struct rpc_task *task, struct nfs_commit_data *data) @@ -4881,6 +4943,18 @@ nfs4_init_callback_netid(const struct nfs_client *clp, char *buf, size_t len) return scnprintf(buf, len, "tcp"); } +static void nfs4_setclientid_done(struct rpc_task *task, void *calldata) +{ + struct nfs4_setclientid *sc = calldata; + + if (task->tk_status == 0) + sc->sc_cred = get_rpccred(task->tk_rqstp->rq_cred); +} + +static const struct rpc_call_ops nfs4_setclientid_ops = { + .rpc_call_done = nfs4_setclientid_done, +}; + /** * nfs4_proc_setclientid - Negotiate client ID * @clp: state data structure @@ -4907,6 +4981,14 @@ int nfs4_proc_setclientid(struct nfs_client *clp, u32 program, .rpc_resp = res, .rpc_cred = cred, }; + struct rpc_task *task; + struct rpc_task_setup task_setup_data = { + .rpc_client = clp->cl_rpcclient, + .rpc_message = &msg, + .callback_ops = &nfs4_setclientid_ops, + .callback_data = &setclientid, + .flags = RPC_TASK_TIMEOUT, + }; int status; /* nfs_client_id4 */ @@ -4933,7 +5015,18 @@ int nfs4_proc_setclientid(struct nfs_client *clp, u32 program, dprintk("NFS call setclientid auth=%s, '%.*s'\n", clp->cl_rpcclient->cl_auth->au_ops->au_name, setclientid.sc_name_len, setclientid.sc_name); - status = rpc_call_sync(clp->cl_rpcclient, &msg, RPC_TASK_TIMEOUT); + task = rpc_run_task(&task_setup_data); + if (IS_ERR(task)) { + status = PTR_ERR(task); + goto out; + } + status = task->tk_status; + if (setclientid.sc_cred) { + clp->cl_acceptor = rpcauth_stringify_acceptor(setclientid.sc_cred); + put_rpccred(setclientid.sc_cred); + } + rpc_put_task(task); +out: trace_nfs4_setclientid(clp, status); dprintk("NFS reply setclientid: %d\n", status); return status; @@ -4975,6 +5068,9 @@ struct nfs4_delegreturndata { unsigned long timestamp; struct nfs_fattr fattr; int rpc_status; + struct inode *inode; + bool roc; + u32 roc_barrier; }; static void nfs4_delegreturn_done(struct rpc_task *task, void *calldata) @@ -4988,7 +5084,6 @@ static void nfs4_delegreturn_done(struct rpc_task *task, void *calldata) switch (task->tk_status) { case 0: renew_lease(data->res.server, data->timestamp); - break; case -NFS4ERR_ADMIN_REVOKED: case -NFS4ERR_DELEG_REVOKED: case -NFS4ERR_BAD_STATEID: @@ -4996,6 +5091,8 @@ static void nfs4_delegreturn_done(struct rpc_task *task, void *calldata) case -NFS4ERR_STALE_STATEID: case -NFS4ERR_EXPIRED: task->tk_status = 0; + if (data->roc) + pnfs_roc_set_barrier(data->inode, data->roc_barrier); break; default: if (nfs4_async_handle_error(task, data->res.server, NULL) == @@ -5009,6 +5106,10 @@ static void nfs4_delegreturn_done(struct rpc_task *task, void *calldata) static void nfs4_delegreturn_release(void *calldata) { + struct nfs4_delegreturndata *data = calldata; + + if (data->roc) + pnfs_roc_release(data->inode); kfree(calldata); } @@ -5018,6 +5119,10 @@ static void nfs4_delegreturn_prepare(struct rpc_task *task, void *data) d_data = (struct nfs4_delegreturndata *)data; + if (d_data->roc && + pnfs_roc_drain(d_data->inode, &d_data->roc_barrier, task)) + return; + nfs4_setup_sequence(d_data->res.server, &d_data->args.seq_args, &d_data->res.seq_res, @@ -5061,6 +5166,9 @@ static int _nfs4_proc_delegreturn(struct inode *inode, struct rpc_cred *cred, co nfs_fattr_init(data->res.fattr); data->timestamp = jiffies; data->rpc_status = 0; + data->inode = inode; + data->roc = list_empty(&NFS_I(inode)->open_files) ? + pnfs_roc(inode) : false; task_setup_data.callback_data = data; msg.rpc_argp = &data->args; @@ -5834,8 +5942,10 @@ struct nfs_release_lockowner_data { static void nfs4_release_lockowner_prepare(struct rpc_task *task, void *calldata) { struct nfs_release_lockowner_data *data = calldata; - nfs40_setup_sequence(data->server, - &data->args.seq_args, &data->res.seq_res, task); + struct nfs_server *server = data->server; + nfs40_setup_sequence(server, &data->args.seq_args, + &data->res.seq_res, task); + data->args.lock_owner.clientid = server->nfs_client->cl_clientid; data->timestamp = jiffies; } @@ -5852,6 +5962,8 @@ static void nfs4_release_lockowner_done(struct rpc_task *task, void *calldata) break; case -NFS4ERR_STALE_CLIENTID: case -NFS4ERR_EXPIRED: + nfs4_schedule_lease_recovery(server->nfs_client); + break; case -NFS4ERR_LEASE_MOVED: case -NFS4ERR_DELAY: if (nfs4_async_handle_error(task, server, NULL) == -EAGAIN) @@ -5872,7 +5984,8 @@ static const struct rpc_call_ops nfs4_release_lockowner_ops = { .rpc_release = nfs4_release_lockowner_release, }; -static int nfs4_release_lockowner(struct nfs_server *server, struct nfs4_lock_state *lsp) +static void +nfs4_release_lockowner(struct nfs_server *server, struct nfs4_lock_state *lsp) { struct nfs_release_lockowner_data *data; struct rpc_message msg = { @@ -5880,11 +5993,11 @@ static int nfs4_release_lockowner(struct nfs_server *server, struct nfs4_lock_st }; if (server->nfs_client->cl_mvops->minor_version != 0) - return -EINVAL; + return; data = kmalloc(sizeof(*data), GFP_NOFS); if (!data) - return -ENOMEM; + return; data->lsp = lsp; data->server = server; data->args.lock_owner.clientid = server->nfs_client->cl_clientid; @@ -5895,7 +6008,6 @@ static int nfs4_release_lockowner(struct nfs_server *server, struct nfs4_lock_st msg.rpc_resp = &data->res; nfs4_init_sequence(&data->args.seq_args, &data->res.seq_res, 0); rpc_call_async(server->client, &msg, 0, &nfs4_release_lockowner_ops, data); - return 0; } #define XATTR_NAME_NFSV4_ACL "system.nfs4_acl" @@ -8182,7 +8294,8 @@ static int nfs41_free_stateid(struct nfs_server *server, return ret; } -static int nfs41_free_lock_state(struct nfs_server *server, struct nfs4_lock_state *lsp) +static void +nfs41_free_lock_state(struct nfs_server *server, struct nfs4_lock_state *lsp) { struct rpc_task *task; struct rpc_cred *cred = lsp->ls_state->owner->so_cred; @@ -8190,9 +8303,8 @@ static int nfs41_free_lock_state(struct nfs_server *server, struct nfs4_lock_sta task = _nfs41_free_stateid(server, &lsp->ls_stateid, cred, false); nfs4_free_lock_state(server, lsp); if (IS_ERR(task)) - return PTR_ERR(task); + return; rpc_put_task(task); - return 0; } static bool nfs41_match_stateid(const nfs4_stateid *s1, diff --git a/fs/nfs/nfs4state.c b/fs/nfs/nfs4state.c index 42f121182167..a043f618cd5a 100644 --- a/fs/nfs/nfs4state.c +++ b/fs/nfs/nfs4state.c @@ -787,33 +787,36 @@ void nfs4_close_sync(struct nfs4_state *state, fmode_t fmode) * that is compatible with current->files */ static struct nfs4_lock_state * -__nfs4_find_lock_state(struct nfs4_state *state, fl_owner_t fl_owner, pid_t fl_pid, unsigned int type) +__nfs4_find_lock_state(struct nfs4_state *state, fl_owner_t fl_owner) { struct nfs4_lock_state *pos; list_for_each_entry(pos, &state->lock_states, ls_locks) { - if (type != NFS4_ANY_LOCK_TYPE && pos->ls_owner.lo_type != type) + if (pos->ls_owner != fl_owner) continue; - switch (pos->ls_owner.lo_type) { - case NFS4_POSIX_LOCK_TYPE: - if (pos->ls_owner.lo_u.posix_owner != fl_owner) - continue; - break; - case NFS4_FLOCK_LOCK_TYPE: - if (pos->ls_owner.lo_u.flock_owner != fl_pid) - continue; - } atomic_inc(&pos->ls_count); return pos; } return NULL; } +static void +free_lock_state_work(struct work_struct *work) +{ + struct nfs4_lock_state *lsp = container_of(work, + struct nfs4_lock_state, ls_release); + struct nfs4_state *state = lsp->ls_state; + struct nfs_server *server = state->owner->so_server; + struct nfs_client *clp = server->nfs_client; + + clp->cl_mvops->free_lock_state(server, lsp); +} + /* * Return a compatible lock_state. If no initialized lock_state structure * exists, return an uninitialized one. * */ -static struct nfs4_lock_state *nfs4_alloc_lock_state(struct nfs4_state *state, fl_owner_t fl_owner, pid_t fl_pid, unsigned int type) +static struct nfs4_lock_state *nfs4_alloc_lock_state(struct nfs4_state *state, fl_owner_t fl_owner) { struct nfs4_lock_state *lsp; struct nfs_server *server = state->owner->so_server; @@ -824,21 +827,12 @@ static struct nfs4_lock_state *nfs4_alloc_lock_state(struct nfs4_state *state, f nfs4_init_seqid_counter(&lsp->ls_seqid); atomic_set(&lsp->ls_count, 1); lsp->ls_state = state; - lsp->ls_owner.lo_type = type; - switch (lsp->ls_owner.lo_type) { - case NFS4_FLOCK_LOCK_TYPE: - lsp->ls_owner.lo_u.flock_owner = fl_pid; - break; - case NFS4_POSIX_LOCK_TYPE: - lsp->ls_owner.lo_u.posix_owner = fl_owner; - break; - default: - goto out_free; - } + lsp->ls_owner = fl_owner; lsp->ls_seqid.owner_id = ida_simple_get(&server->lockowner_id, 0, 0, GFP_NOFS); if (lsp->ls_seqid.owner_id < 0) goto out_free; INIT_LIST_HEAD(&lsp->ls_locks); + INIT_WORK(&lsp->ls_release, free_lock_state_work); return lsp; out_free: kfree(lsp); @@ -857,13 +851,13 @@ void nfs4_free_lock_state(struct nfs_server *server, struct nfs4_lock_state *lsp * exists, return an uninitialized one. * */ -static struct nfs4_lock_state *nfs4_get_lock_state(struct nfs4_state *state, fl_owner_t owner, pid_t pid, unsigned int type) +static struct nfs4_lock_state *nfs4_get_lock_state(struct nfs4_state *state, fl_owner_t owner) { struct nfs4_lock_state *lsp, *new = NULL; for(;;) { spin_lock(&state->state_lock); - lsp = __nfs4_find_lock_state(state, owner, pid, type); + lsp = __nfs4_find_lock_state(state, owner); if (lsp != NULL) break; if (new != NULL) { @@ -874,7 +868,7 @@ static struct nfs4_lock_state *nfs4_get_lock_state(struct nfs4_state *state, fl_ break; } spin_unlock(&state->state_lock); - new = nfs4_alloc_lock_state(state, owner, pid, type); + new = nfs4_alloc_lock_state(state, owner); if (new == NULL) return NULL; } @@ -902,13 +896,12 @@ void nfs4_put_lock_state(struct nfs4_lock_state *lsp) if (list_empty(&state->lock_states)) clear_bit(LK_STATE_IN_USE, &state->flags); spin_unlock(&state->state_lock); - server = state->owner->so_server; - if (test_bit(NFS_LOCK_INITIALIZED, &lsp->ls_flags)) { - struct nfs_client *clp = server->nfs_client; - - clp->cl_mvops->free_lock_state(server, lsp); - } else + if (test_bit(NFS_LOCK_INITIALIZED, &lsp->ls_flags)) + queue_work(nfsiod_workqueue, &lsp->ls_release); + else { + server = state->owner->so_server; nfs4_free_lock_state(server, lsp); + } } static void nfs4_fl_copy_lock(struct file_lock *dst, struct file_lock *src) @@ -935,13 +928,7 @@ int nfs4_set_lock_state(struct nfs4_state *state, struct file_lock *fl) if (fl->fl_ops != NULL) return 0; - if (fl->fl_flags & FL_POSIX) - lsp = nfs4_get_lock_state(state, fl->fl_owner, 0, NFS4_POSIX_LOCK_TYPE); - else if (fl->fl_flags & FL_FLOCK) - lsp = nfs4_get_lock_state(state, NULL, fl->fl_pid, - NFS4_FLOCK_LOCK_TYPE); - else - return -EINVAL; + lsp = nfs4_get_lock_state(state, fl->fl_owner); if (lsp == NULL) return -ENOMEM; fl->fl_u.nfs4_fl.owner = lsp; @@ -955,7 +942,6 @@ static int nfs4_copy_lock_stateid(nfs4_stateid *dst, { struct nfs4_lock_state *lsp; fl_owner_t fl_owner; - pid_t fl_pid; int ret = -ENOENT; @@ -966,9 +952,8 @@ static int nfs4_copy_lock_stateid(nfs4_stateid *dst, goto out; fl_owner = lockowner->l_owner; - fl_pid = lockowner->l_pid; spin_lock(&state->state_lock); - lsp = __nfs4_find_lock_state(state, fl_owner, fl_pid, NFS4_ANY_LOCK_TYPE); + lsp = __nfs4_find_lock_state(state, fl_owner); if (lsp && test_bit(NFS_LOCK_LOST, &lsp->ls_flags)) ret = -EIO; else if (lsp != NULL && test_bit(NFS_LOCK_INITIALIZED, &lsp->ls_flags) != 0) { diff --git a/fs/nfs/nfs4trace.h b/fs/nfs/nfs4trace.h index 0a744f3a86f6..1c32adbe728d 100644 --- a/fs/nfs/nfs4trace.h +++ b/fs/nfs/nfs4trace.h @@ -932,11 +932,11 @@ DEFINE_NFS4_IDMAP_EVENT(nfs4_map_gid_to_group); DECLARE_EVENT_CLASS(nfs4_read_event, TP_PROTO( - const struct nfs_pgio_data *data, + const struct nfs_pgio_header *hdr, int error ), - TP_ARGS(data, error), + TP_ARGS(hdr, error), TP_STRUCT__entry( __field(dev_t, dev) @@ -948,12 +948,12 @@ DECLARE_EVENT_CLASS(nfs4_read_event, ), TP_fast_assign( - const struct inode *inode = data->header->inode; + const struct inode *inode = hdr->inode; __entry->dev = inode->i_sb->s_dev; __entry->fileid = NFS_FILEID(inode); __entry->fhandle = nfs_fhandle_hash(NFS_FH(inode)); - __entry->offset = data->args.offset; - __entry->count = data->args.count; + __entry->offset = hdr->args.offset; + __entry->count = hdr->args.count; __entry->error = error; ), @@ -972,10 +972,10 @@ DECLARE_EVENT_CLASS(nfs4_read_event, #define DEFINE_NFS4_READ_EVENT(name) \ DEFINE_EVENT(nfs4_read_event, name, \ TP_PROTO( \ - const struct nfs_pgio_data *data, \ + const struct nfs_pgio_header *hdr, \ int error \ ), \ - TP_ARGS(data, error)) + TP_ARGS(hdr, error)) DEFINE_NFS4_READ_EVENT(nfs4_read); #ifdef CONFIG_NFS_V4_1 DEFINE_NFS4_READ_EVENT(nfs4_pnfs_read); @@ -983,11 +983,11 @@ DEFINE_NFS4_READ_EVENT(nfs4_pnfs_read); DECLARE_EVENT_CLASS(nfs4_write_event, TP_PROTO( - const struct nfs_pgio_data *data, + const struct nfs_pgio_header *hdr, int error ), - TP_ARGS(data, error), + TP_ARGS(hdr, error), TP_STRUCT__entry( __field(dev_t, dev) @@ -999,12 +999,12 @@ DECLARE_EVENT_CLASS(nfs4_write_event, ), TP_fast_assign( - const struct inode *inode = data->header->inode; + const struct inode *inode = hdr->inode; __entry->dev = inode->i_sb->s_dev; __entry->fileid = NFS_FILEID(inode); __entry->fhandle = nfs_fhandle_hash(NFS_FH(inode)); - __entry->offset = data->args.offset; - __entry->count = data->args.count; + __entry->offset = hdr->args.offset; + __entry->count = hdr->args.count; __entry->error = error; ), @@ -1024,10 +1024,10 @@ DECLARE_EVENT_CLASS(nfs4_write_event, #define DEFINE_NFS4_WRITE_EVENT(name) \ DEFINE_EVENT(nfs4_write_event, name, \ TP_PROTO( \ - const struct nfs_pgio_data *data, \ + const struct nfs_pgio_header *hdr, \ int error \ ), \ - TP_ARGS(data, error)) + TP_ARGS(hdr, error)) DEFINE_NFS4_WRITE_EVENT(nfs4_write); #ifdef CONFIG_NFS_V4_1 DEFINE_NFS4_WRITE_EVENT(nfs4_pnfs_write); diff --git a/fs/nfs/nfs4xdr.c b/fs/nfs/nfs4xdr.c index 939ae606cfa4..e13b59d8d9aa 100644 --- a/fs/nfs/nfs4xdr.c +++ b/fs/nfs/nfs4xdr.c @@ -7092,7 +7092,7 @@ static int nfs4_xdr_dec_reclaim_complete(struct rpc_rqst *rqstp, if (!status) status = decode_sequence(xdr, &res->seq_res, rqstp); if (!status) - status = decode_reclaim_complete(xdr, (void *)NULL); + status = decode_reclaim_complete(xdr, NULL); return status; } diff --git a/fs/nfs/objlayout/objio_osd.c b/fs/nfs/objlayout/objio_osd.c index 611320753db2..ae05278b3761 100644 --- a/fs/nfs/objlayout/objio_osd.c +++ b/fs/nfs/objlayout/objio_osd.c @@ -439,22 +439,21 @@ static void _read_done(struct ore_io_state *ios, void *private) objlayout_read_done(&objios->oir, status, objios->sync); } -int objio_read_pagelist(struct nfs_pgio_data *rdata) +int objio_read_pagelist(struct nfs_pgio_header *hdr) { - struct nfs_pgio_header *hdr = rdata->header; struct objio_state *objios; int ret; ret = objio_alloc_io_state(NFS_I(hdr->inode)->layout, true, - hdr->lseg, rdata->args.pages, rdata->args.pgbase, - rdata->args.offset, rdata->args.count, rdata, + hdr->lseg, hdr->args.pages, hdr->args.pgbase, + hdr->args.offset, hdr->args.count, hdr, GFP_KERNEL, &objios); if (unlikely(ret)) return ret; objios->ios->done = _read_done; dprintk("%s: offset=0x%llx length=0x%x\n", __func__, - rdata->args.offset, rdata->args.count); + hdr->args.offset, hdr->args.count); ret = ore_read(objios->ios); if (unlikely(ret)) objio_free_result(&objios->oir); @@ -487,11 +486,11 @@ static void _write_done(struct ore_io_state *ios, void *private) static struct page *__r4w_get_page(void *priv, u64 offset, bool *uptodate) { struct objio_state *objios = priv; - struct nfs_pgio_data *wdata = objios->oir.rpcdata; - struct address_space *mapping = wdata->header->inode->i_mapping; + struct nfs_pgio_header *hdr = objios->oir.rpcdata; + struct address_space *mapping = hdr->inode->i_mapping; pgoff_t index = offset / PAGE_SIZE; struct page *page; - loff_t i_size = i_size_read(wdata->header->inode); + loff_t i_size = i_size_read(hdr->inode); if (offset >= i_size) { *uptodate = true; @@ -531,15 +530,14 @@ static const struct _ore_r4w_op _r4w_op = { .put_page = &__r4w_put_page, }; -int objio_write_pagelist(struct nfs_pgio_data *wdata, int how) +int objio_write_pagelist(struct nfs_pgio_header *hdr, int how) { - struct nfs_pgio_header *hdr = wdata->header; struct objio_state *objios; int ret; ret = objio_alloc_io_state(NFS_I(hdr->inode)->layout, false, - hdr->lseg, wdata->args.pages, wdata->args.pgbase, - wdata->args.offset, wdata->args.count, wdata, GFP_NOFS, + hdr->lseg, hdr->args.pages, hdr->args.pgbase, + hdr->args.offset, hdr->args.count, hdr, GFP_NOFS, &objios); if (unlikely(ret)) return ret; @@ -551,7 +549,7 @@ int objio_write_pagelist(struct nfs_pgio_data *wdata, int how) objios->ios->done = _write_done; dprintk("%s: offset=0x%llx length=0x%x\n", __func__, - wdata->args.offset, wdata->args.count); + hdr->args.offset, hdr->args.count); ret = ore_write(objios->ios); if (unlikely(ret)) { objio_free_result(&objios->oir); diff --git a/fs/nfs/objlayout/objlayout.c b/fs/nfs/objlayout/objlayout.c index 765d3f54e986..697a16d11fac 100644 --- a/fs/nfs/objlayout/objlayout.c +++ b/fs/nfs/objlayout/objlayout.c @@ -229,36 +229,36 @@ objlayout_io_set_result(struct objlayout_io_res *oir, unsigned index, static void _rpc_read_complete(struct work_struct *work) { struct rpc_task *task; - struct nfs_pgio_data *rdata; + struct nfs_pgio_header *hdr; dprintk("%s enter\n", __func__); task = container_of(work, struct rpc_task, u.tk_work); - rdata = container_of(task, struct nfs_pgio_data, task); + hdr = container_of(task, struct nfs_pgio_header, task); - pnfs_ld_read_done(rdata); + pnfs_ld_read_done(hdr); } void objlayout_read_done(struct objlayout_io_res *oir, ssize_t status, bool sync) { - struct nfs_pgio_data *rdata = oir->rpcdata; + struct nfs_pgio_header *hdr = oir->rpcdata; - oir->status = rdata->task.tk_status = status; + oir->status = hdr->task.tk_status = status; if (status >= 0) - rdata->res.count = status; + hdr->res.count = status; else - rdata->header->pnfs_error = status; + hdr->pnfs_error = status; objlayout_iodone(oir); /* must not use oir after this point */ dprintk("%s: Return status=%zd eof=%d sync=%d\n", __func__, - status, rdata->res.eof, sync); + status, hdr->res.eof, sync); if (sync) - pnfs_ld_read_done(rdata); + pnfs_ld_read_done(hdr); else { - INIT_WORK(&rdata->task.u.tk_work, _rpc_read_complete); - schedule_work(&rdata->task.u.tk_work); + INIT_WORK(&hdr->task.u.tk_work, _rpc_read_complete); + schedule_work(&hdr->task.u.tk_work); } } @@ -266,12 +266,11 @@ objlayout_read_done(struct objlayout_io_res *oir, ssize_t status, bool sync) * Perform sync or async reads. */ enum pnfs_try_status -objlayout_read_pagelist(struct nfs_pgio_data *rdata) +objlayout_read_pagelist(struct nfs_pgio_header *hdr) { - struct nfs_pgio_header *hdr = rdata->header; struct inode *inode = hdr->inode; - loff_t offset = rdata->args.offset; - size_t count = rdata->args.count; + loff_t offset = hdr->args.offset; + size_t count = hdr->args.count; int err; loff_t eof; @@ -279,23 +278,23 @@ objlayout_read_pagelist(struct nfs_pgio_data *rdata) if (unlikely(offset + count > eof)) { if (offset >= eof) { err = 0; - rdata->res.count = 0; - rdata->res.eof = 1; + hdr->res.count = 0; + hdr->res.eof = 1; /*FIXME: do we need to call pnfs_ld_read_done() */ goto out; } count = eof - offset; } - rdata->res.eof = (offset + count) >= eof; - _fix_verify_io_params(hdr->lseg, &rdata->args.pages, - &rdata->args.pgbase, - rdata->args.offset, rdata->args.count); + hdr->res.eof = (offset + count) >= eof; + _fix_verify_io_params(hdr->lseg, &hdr->args.pages, + &hdr->args.pgbase, + hdr->args.offset, hdr->args.count); dprintk("%s: inode(%lx) offset 0x%llx count 0x%Zx eof=%d\n", - __func__, inode->i_ino, offset, count, rdata->res.eof); + __func__, inode->i_ino, offset, count, hdr->res.eof); - err = objio_read_pagelist(rdata); + err = objio_read_pagelist(hdr); out: if (unlikely(err)) { hdr->pnfs_error = err; @@ -312,38 +311,38 @@ objlayout_read_pagelist(struct nfs_pgio_data *rdata) static void _rpc_write_complete(struct work_struct *work) { struct rpc_task *task; - struct nfs_pgio_data *wdata; + struct nfs_pgio_header *hdr; dprintk("%s enter\n", __func__); task = container_of(work, struct rpc_task, u.tk_work); - wdata = container_of(task, struct nfs_pgio_data, task); + hdr = container_of(task, struct nfs_pgio_header, task); - pnfs_ld_write_done(wdata); + pnfs_ld_write_done(hdr); } void objlayout_write_done(struct objlayout_io_res *oir, ssize_t status, bool sync) { - struct nfs_pgio_data *wdata = oir->rpcdata; + struct nfs_pgio_header *hdr = oir->rpcdata; - oir->status = wdata->task.tk_status = status; + oir->status = hdr->task.tk_status = status; if (status >= 0) { - wdata->res.count = status; - wdata->verf.committed = oir->committed; + hdr->res.count = status; + hdr->verf.committed = oir->committed; } else { - wdata->header->pnfs_error = status; + hdr->pnfs_error = status; } objlayout_iodone(oir); /* must not use oir after this point */ dprintk("%s: Return status %zd committed %d sync=%d\n", __func__, - status, wdata->verf.committed, sync); + status, hdr->verf.committed, sync); if (sync) - pnfs_ld_write_done(wdata); + pnfs_ld_write_done(hdr); else { - INIT_WORK(&wdata->task.u.tk_work, _rpc_write_complete); - schedule_work(&wdata->task.u.tk_work); + INIT_WORK(&hdr->task.u.tk_work, _rpc_write_complete); + schedule_work(&hdr->task.u.tk_work); } } @@ -351,17 +350,15 @@ objlayout_write_done(struct objlayout_io_res *oir, ssize_t status, bool sync) * Perform sync or async writes. */ enum pnfs_try_status -objlayout_write_pagelist(struct nfs_pgio_data *wdata, - int how) +objlayout_write_pagelist(struct nfs_pgio_header *hdr, int how) { - struct nfs_pgio_header *hdr = wdata->header; int err; - _fix_verify_io_params(hdr->lseg, &wdata->args.pages, - &wdata->args.pgbase, - wdata->args.offset, wdata->args.count); + _fix_verify_io_params(hdr->lseg, &hdr->args.pages, + &hdr->args.pgbase, + hdr->args.offset, hdr->args.count); - err = objio_write_pagelist(wdata, how); + err = objio_write_pagelist(hdr, how); if (unlikely(err)) { hdr->pnfs_error = err; dprintk("%s: Returned Error %d\n", __func__, err); diff --git a/fs/nfs/objlayout/objlayout.h b/fs/nfs/objlayout/objlayout.h index 01e041029a6c..fd13f1d2f136 100644 --- a/fs/nfs/objlayout/objlayout.h +++ b/fs/nfs/objlayout/objlayout.h @@ -119,8 +119,8 @@ extern void objio_free_lseg(struct pnfs_layout_segment *lseg); */ extern void objio_free_result(struct objlayout_io_res *oir); -extern int objio_read_pagelist(struct nfs_pgio_data *rdata); -extern int objio_write_pagelist(struct nfs_pgio_data *wdata, int how); +extern int objio_read_pagelist(struct nfs_pgio_header *rdata); +extern int objio_write_pagelist(struct nfs_pgio_header *wdata, int how); /* * callback API @@ -168,10 +168,10 @@ extern struct pnfs_layout_segment *objlayout_alloc_lseg( extern void objlayout_free_lseg(struct pnfs_layout_segment *); extern enum pnfs_try_status objlayout_read_pagelist( - struct nfs_pgio_data *); + struct nfs_pgio_header *); extern enum pnfs_try_status objlayout_write_pagelist( - struct nfs_pgio_data *, + struct nfs_pgio_header *, int how); extern void objlayout_encode_layoutcommit( diff --git a/fs/nfs/pagelist.c b/fs/nfs/pagelist.c index 0be5050638f7..ba491926df5f 100644 --- a/fs/nfs/pagelist.c +++ b/fs/nfs/pagelist.c @@ -141,16 +141,24 @@ nfs_iocounter_wait(struct nfs_io_counter *c) * @req - request in group that is to be locked * * this lock must be held if modifying the page group list + * + * returns result from wait_on_bit_lock: 0 on success, < 0 on error */ -void -nfs_page_group_lock(struct nfs_page *req) +int +nfs_page_group_lock(struct nfs_page *req, bool wait) { struct nfs_page *head = req->wb_head; + int ret; WARN_ON_ONCE(head != head->wb_head); - wait_on_bit_lock(&head->wb_flags, PG_HEADLOCK, + do { + ret = wait_on_bit_lock(&head->wb_flags, PG_HEADLOCK, TASK_UNINTERRUPTIBLE); + } while (wait && ret != 0); + + WARN_ON_ONCE(ret > 0); + return ret; } /* @@ -211,7 +219,7 @@ bool nfs_page_group_sync_on_bit(struct nfs_page *req, unsigned int bit) { bool ret; - nfs_page_group_lock(req); + nfs_page_group_lock(req, true); ret = nfs_page_group_sync_on_bit_locked(req, bit); nfs_page_group_unlock(req); @@ -454,123 +462,72 @@ size_t nfs_generic_pg_test(struct nfs_pageio_descriptor *desc, } EXPORT_SYMBOL_GPL(nfs_generic_pg_test); -static inline struct nfs_rw_header *NFS_RW_HEADER(struct nfs_pgio_header *hdr) -{ - return container_of(hdr, struct nfs_rw_header, header); -} - -/** - * nfs_rw_header_alloc - Allocate a header for a read or write - * @ops: Read or write function vector - */ -struct nfs_rw_header *nfs_rw_header_alloc(const struct nfs_rw_ops *ops) +struct nfs_pgio_header *nfs_pgio_header_alloc(const struct nfs_rw_ops *ops) { - struct nfs_rw_header *header = ops->rw_alloc_header(); - - if (header) { - struct nfs_pgio_header *hdr = &header->header; + struct nfs_pgio_header *hdr = ops->rw_alloc_header(); + if (hdr) { INIT_LIST_HEAD(&hdr->pages); spin_lock_init(&hdr->lock); - atomic_set(&hdr->refcnt, 0); hdr->rw_ops = ops; } - return header; + return hdr; } -EXPORT_SYMBOL_GPL(nfs_rw_header_alloc); +EXPORT_SYMBOL_GPL(nfs_pgio_header_alloc); /* - * nfs_rw_header_free - Free a read or write header + * nfs_pgio_header_free - Free a read or write header * @hdr: The header to free */ -void nfs_rw_header_free(struct nfs_pgio_header *hdr) +void nfs_pgio_header_free(struct nfs_pgio_header *hdr) { - hdr->rw_ops->rw_free_header(NFS_RW_HEADER(hdr)); + hdr->rw_ops->rw_free_header(hdr); } -EXPORT_SYMBOL_GPL(nfs_rw_header_free); +EXPORT_SYMBOL_GPL(nfs_pgio_header_free); /** - * nfs_pgio_data_alloc - Allocate pageio data - * @hdr: The header making a request - * @pagecount: Number of pages to create - */ -static struct nfs_pgio_data *nfs_pgio_data_alloc(struct nfs_pgio_header *hdr, - unsigned int pagecount) -{ - struct nfs_pgio_data *data, *prealloc; - - prealloc = &NFS_RW_HEADER(hdr)->rpc_data; - if (prealloc->header == NULL) - data = prealloc; - else - data = kzalloc(sizeof(*data), GFP_KERNEL); - if (!data) - goto out; - - if (nfs_pgarray_set(&data->pages, pagecount)) { - data->header = hdr; - atomic_inc(&hdr->refcnt); - } else { - if (data != prealloc) - kfree(data); - data = NULL; - } -out: - return data; -} - -/** - * nfs_pgio_data_release - Properly free pageio data - * @data: The data to release + * nfs_pgio_data_destroy - make @hdr suitable for reuse + * + * Frees memory and releases refs from nfs_generic_pgio, so that it may + * be called again. + * + * @hdr: A header that has had nfs_generic_pgio called */ -void nfs_pgio_data_release(struct nfs_pgio_data *data) +void nfs_pgio_data_destroy(struct nfs_pgio_header *hdr) { - struct nfs_pgio_header *hdr = data->header; - struct nfs_rw_header *pageio_header = NFS_RW_HEADER(hdr); - - put_nfs_open_context(data->args.context); - if (data->pages.pagevec != data->pages.page_array) - kfree(data->pages.pagevec); - if (data == &pageio_header->rpc_data) { - data->header = NULL; - data = NULL; - } - if (atomic_dec_and_test(&hdr->refcnt)) - hdr->completion_ops->completion(hdr); - /* Note: we only free the rpc_task after callbacks are done. - * See the comment in rpc_free_task() for why - */ - kfree(data); + put_nfs_open_context(hdr->args.context); + if (hdr->page_array.pagevec != hdr->page_array.page_array) + kfree(hdr->page_array.pagevec); } -EXPORT_SYMBOL_GPL(nfs_pgio_data_release); +EXPORT_SYMBOL_GPL(nfs_pgio_data_destroy); /** * nfs_pgio_rpcsetup - Set up arguments for a pageio call - * @data: The pageio data + * @hdr: The pageio hdr * @count: Number of bytes to read * @offset: Initial offset * @how: How to commit data (writes only) * @cinfo: Commit information for the call (writes only) */ -static void nfs_pgio_rpcsetup(struct nfs_pgio_data *data, +static void nfs_pgio_rpcsetup(struct nfs_pgio_header *hdr, unsigned int count, unsigned int offset, int how, struct nfs_commit_info *cinfo) { - struct nfs_page *req = data->header->req; + struct nfs_page *req = hdr->req; /* Set up the RPC argument and reply structs - * NB: take care not to mess about with data->commit et al. */ + * NB: take care not to mess about with hdr->commit et al. */ - data->args.fh = NFS_FH(data->header->inode); - data->args.offset = req_offset(req) + offset; + hdr->args.fh = NFS_FH(hdr->inode); + hdr->args.offset = req_offset(req) + offset; /* pnfs_set_layoutcommit needs this */ - data->mds_offset = data->args.offset; - data->args.pgbase = req->wb_pgbase + offset; - data->args.pages = data->pages.pagevec; - data->args.count = count; - data->args.context = get_nfs_open_context(req->wb_context); - data->args.lock_context = req->wb_lock_context; - data->args.stable = NFS_UNSTABLE; + hdr->mds_offset = hdr->args.offset; + hdr->args.pgbase = req->wb_pgbase + offset; + hdr->args.pages = hdr->page_array.pagevec; + hdr->args.count = count; + hdr->args.context = get_nfs_open_context(req->wb_context); + hdr->args.lock_context = req->wb_lock_context; + hdr->args.stable = NFS_UNSTABLE; switch (how & (FLUSH_STABLE | FLUSH_COND_STABLE)) { case 0: break; @@ -578,59 +535,59 @@ static void nfs_pgio_rpcsetup(struct nfs_pgio_data *data, if (nfs_reqs_to_commit(cinfo)) break; default: - data->args.stable = NFS_FILE_SYNC; + hdr->args.stable = NFS_FILE_SYNC; } - data->res.fattr = &data->fattr; - data->res.count = count; - data->res.eof = 0; - data->res.verf = &data->verf; - nfs_fattr_init(&data->fattr); + hdr->res.fattr = &hdr->fattr; + hdr->res.count = count; + hdr->res.eof = 0; + hdr->res.verf = &hdr->verf; + nfs_fattr_init(&hdr->fattr); } /** - * nfs_pgio_prepare - Prepare pageio data to go over the wire + * nfs_pgio_prepare - Prepare pageio hdr to go over the wire * @task: The current task - * @calldata: pageio data to prepare + * @calldata: pageio header to prepare */ static void nfs_pgio_prepare(struct rpc_task *task, void *calldata) { - struct nfs_pgio_data *data = calldata; + struct nfs_pgio_header *hdr = calldata; int err; - err = NFS_PROTO(data->header->inode)->pgio_rpc_prepare(task, data); + err = NFS_PROTO(hdr->inode)->pgio_rpc_prepare(task, hdr); if (err) rpc_exit(task, err); } -int nfs_initiate_pgio(struct rpc_clnt *clnt, struct nfs_pgio_data *data, +int nfs_initiate_pgio(struct rpc_clnt *clnt, struct nfs_pgio_header *hdr, const struct rpc_call_ops *call_ops, int how, int flags) { struct rpc_task *task; struct rpc_message msg = { - .rpc_argp = &data->args, - .rpc_resp = &data->res, - .rpc_cred = data->header->cred, + .rpc_argp = &hdr->args, + .rpc_resp = &hdr->res, + .rpc_cred = hdr->cred, }; struct rpc_task_setup task_setup_data = { .rpc_client = clnt, - .task = &data->task, + .task = &hdr->task, .rpc_message = &msg, .callback_ops = call_ops, - .callback_data = data, + .callback_data = hdr, .workqueue = nfsiod_workqueue, .flags = RPC_TASK_ASYNC | flags, }; int ret = 0; - data->header->rw_ops->rw_initiate(data, &msg, &task_setup_data, how); + hdr->rw_ops->rw_initiate(hdr, &msg, &task_setup_data, how); dprintk("NFS: %5u initiated pgio call " "(req %s/%llu, %u bytes @ offset %llu)\n", - data->task.tk_pid, - data->header->inode->i_sb->s_id, - (unsigned long long)NFS_FILEID(data->header->inode), - data->args.count, - (unsigned long long)data->args.offset); + hdr->task.tk_pid, + hdr->inode->i_sb->s_id, + (unsigned long long)NFS_FILEID(hdr->inode), + hdr->args.count, + (unsigned long long)hdr->args.offset); task = rpc_run_task(&task_setup_data); if (IS_ERR(task)) { @@ -657,22 +614,23 @@ static int nfs_pgio_error(struct nfs_pageio_descriptor *desc, struct nfs_pgio_header *hdr) { set_bit(NFS_IOHDR_REDO, &hdr->flags); - nfs_pgio_data_release(hdr->data); - hdr->data = NULL; + nfs_pgio_data_destroy(hdr); + hdr->completion_ops->completion(hdr); desc->pg_completion_ops->error_cleanup(&desc->pg_list); return -ENOMEM; } /** * nfs_pgio_release - Release pageio data - * @calldata: The pageio data to release + * @calldata: The pageio header to release */ static void nfs_pgio_release(void *calldata) { - struct nfs_pgio_data *data = calldata; - if (data->header->rw_ops->rw_release) - data->header->rw_ops->rw_release(data); - nfs_pgio_data_release(data); + struct nfs_pgio_header *hdr = calldata; + if (hdr->rw_ops->rw_release) + hdr->rw_ops->rw_release(hdr); + nfs_pgio_data_destroy(hdr); + hdr->completion_ops->completion(hdr); } /** @@ -713,22 +671,22 @@ EXPORT_SYMBOL_GPL(nfs_pageio_init); /** * nfs_pgio_result - Basic pageio error handling * @task: The task that ran - * @calldata: Pageio data to check + * @calldata: Pageio header to check */ static void nfs_pgio_result(struct rpc_task *task, void *calldata) { - struct nfs_pgio_data *data = calldata; - struct inode *inode = data->header->inode; + struct nfs_pgio_header *hdr = calldata; + struct inode *inode = hdr->inode; dprintk("NFS: %s: %5u, (status %d)\n", __func__, task->tk_pid, task->tk_status); - if (data->header->rw_ops->rw_done(task, data, inode) != 0) + if (hdr->rw_ops->rw_done(task, hdr, inode) != 0) return; if (task->tk_status < 0) - nfs_set_pgio_error(data->header, task->tk_status, data->args.offset); + nfs_set_pgio_error(hdr, task->tk_status, hdr->args.offset); else - data->header->rw_ops->rw_result(task, data); + hdr->rw_ops->rw_result(task, hdr); } /* @@ -744,17 +702,16 @@ int nfs_generic_pgio(struct nfs_pageio_descriptor *desc, { struct nfs_page *req; struct page **pages; - struct nfs_pgio_data *data; struct list_head *head = &desc->pg_list; struct nfs_commit_info cinfo; + unsigned int pagecount; - data = nfs_pgio_data_alloc(hdr, nfs_page_array_len(desc->pg_base, - desc->pg_count)); - if (!data) + pagecount = nfs_page_array_len(desc->pg_base, desc->pg_count); + if (!nfs_pgarray_set(&hdr->page_array, pagecount)) return nfs_pgio_error(desc, hdr); nfs_init_cinfo(&cinfo, desc->pg_inode, desc->pg_dreq); - pages = data->pages.pagevec; + pages = hdr->page_array.pagevec; while (!list_empty(head)) { req = nfs_list_entry(head->next); nfs_list_remove_request(req); @@ -767,8 +724,7 @@ int nfs_generic_pgio(struct nfs_pageio_descriptor *desc, desc->pg_ioflags &= ~FLUSH_COND_STABLE; /* Set up the argument struct */ - nfs_pgio_rpcsetup(data, desc->pg_count, 0, desc->pg_ioflags, &cinfo); - hdr->data = data; + nfs_pgio_rpcsetup(hdr, desc->pg_count, 0, desc->pg_ioflags, &cinfo); desc->pg_rpc_callops = &nfs_pgio_common_ops; return 0; } @@ -776,25 +732,20 @@ EXPORT_SYMBOL_GPL(nfs_generic_pgio); static int nfs_generic_pg_pgios(struct nfs_pageio_descriptor *desc) { - struct nfs_rw_header *rw_hdr; struct nfs_pgio_header *hdr; int ret; - rw_hdr = nfs_rw_header_alloc(desc->pg_rw_ops); - if (!rw_hdr) { + hdr = nfs_pgio_header_alloc(desc->pg_rw_ops); + if (!hdr) { desc->pg_completion_ops->error_cleanup(&desc->pg_list); return -ENOMEM; } - hdr = &rw_hdr->header; - nfs_pgheader_init(desc, hdr, nfs_rw_header_free); - atomic_inc(&hdr->refcnt); + nfs_pgheader_init(desc, hdr, nfs_pgio_header_free); ret = nfs_generic_pgio(desc, hdr); if (ret == 0) ret = nfs_initiate_pgio(NFS_CLIENT(hdr->inode), - hdr->data, desc->pg_rpc_callops, + hdr, desc->pg_rpc_callops, desc->pg_ioflags, 0); - if (atomic_dec_and_test(&hdr->refcnt)) - hdr->completion_ops->completion(hdr); return ret; } @@ -907,8 +858,13 @@ static int __nfs_pageio_add_request(struct nfs_pageio_descriptor *desc, struct nfs_page *subreq; unsigned int bytes_left = 0; unsigned int offset, pgbase; + int ret; - nfs_page_group_lock(req); + ret = nfs_page_group_lock(req, false); + if (ret < 0) { + desc->pg_error = ret; + return 0; + } subreq = req; bytes_left = subreq->wb_bytes; @@ -930,7 +886,11 @@ static int __nfs_pageio_add_request(struct nfs_pageio_descriptor *desc, if (desc->pg_recoalesce) return 0; /* retry add_request for this subreq */ - nfs_page_group_lock(req); + ret = nfs_page_group_lock(req, false); + if (ret < 0) { + desc->pg_error = ret; + return 0; + } continue; } @@ -1005,7 +965,38 @@ int nfs_pageio_add_request(struct nfs_pageio_descriptor *desc, } while (ret); return ret; } -EXPORT_SYMBOL_GPL(nfs_pageio_add_request); + +/* + * nfs_pageio_resend - Transfer requests to new descriptor and resend + * @hdr - the pgio header to move request from + * @desc - the pageio descriptor to add requests to + * + * Try to move each request (nfs_page) from @hdr to @desc then attempt + * to send them. + * + * Returns 0 on success and < 0 on error. + */ +int nfs_pageio_resend(struct nfs_pageio_descriptor *desc, + struct nfs_pgio_header *hdr) +{ + LIST_HEAD(failed); + + desc->pg_dreq = hdr->dreq; + while (!list_empty(&hdr->pages)) { + struct nfs_page *req = nfs_list_entry(hdr->pages.next); + + nfs_list_remove_request(req); + if (!nfs_pageio_add_request(desc, req)) + nfs_list_add_request(req, &failed); + } + nfs_pageio_complete(desc); + if (!list_empty(&failed)) { + list_move(&failed, &hdr->pages); + return -EIO; + } + return 0; +} +EXPORT_SYMBOL_GPL(nfs_pageio_resend); /** * nfs_pageio_complete - Complete I/O on an nfs_pageio_descriptor @@ -1021,7 +1012,6 @@ void nfs_pageio_complete(struct nfs_pageio_descriptor *desc) break; } } -EXPORT_SYMBOL_GPL(nfs_pageio_complete); /** * nfs_pageio_cond_complete - Conditional I/O completion diff --git a/fs/nfs/pnfs.c b/fs/nfs/pnfs.c index a8914b335617..a3851debf8a2 100644 --- a/fs/nfs/pnfs.c +++ b/fs/nfs/pnfs.c @@ -361,6 +361,23 @@ pnfs_put_lseg(struct pnfs_layout_segment *lseg) } EXPORT_SYMBOL_GPL(pnfs_put_lseg); +static void pnfs_put_lseg_async_work(struct work_struct *work) +{ + struct pnfs_layout_segment *lseg; + + lseg = container_of(work, struct pnfs_layout_segment, pls_work); + + pnfs_put_lseg(lseg); +} + +void +pnfs_put_lseg_async(struct pnfs_layout_segment *lseg) +{ + INIT_WORK(&lseg->pls_work, pnfs_put_lseg_async_work); + schedule_work(&lseg->pls_work); +} +EXPORT_SYMBOL_GPL(pnfs_put_lseg_async); + static u64 end_offset(u64 start, u64 len) { @@ -1470,41 +1487,19 @@ pnfs_generic_pg_test(struct nfs_pageio_descriptor *pgio, struct nfs_page *prev, } EXPORT_SYMBOL_GPL(pnfs_generic_pg_test); -int pnfs_write_done_resend_to_mds(struct inode *inode, - struct list_head *head, - const struct nfs_pgio_completion_ops *compl_ops, - struct nfs_direct_req *dreq) +int pnfs_write_done_resend_to_mds(struct nfs_pgio_header *hdr) { struct nfs_pageio_descriptor pgio; - LIST_HEAD(failed); /* Resend all requests through the MDS */ - nfs_pageio_init_write(&pgio, inode, FLUSH_STABLE, true, compl_ops); - pgio.pg_dreq = dreq; - while (!list_empty(head)) { - struct nfs_page *req = nfs_list_entry(head->next); - - nfs_list_remove_request(req); - if (!nfs_pageio_add_request(&pgio, req)) - nfs_list_add_request(req, &failed); - } - nfs_pageio_complete(&pgio); - - if (!list_empty(&failed)) { - /* For some reason our attempt to resend pages. Mark the - * overall send request as having failed, and let - * nfs_writeback_release_full deal with the error. - */ - list_move(&failed, head); - return -EIO; - } - return 0; + nfs_pageio_init_write(&pgio, hdr->inode, FLUSH_STABLE, true, + hdr->completion_ops); + return nfs_pageio_resend(&pgio, hdr); } EXPORT_SYMBOL_GPL(pnfs_write_done_resend_to_mds); -static void pnfs_ld_handle_write_error(struct nfs_pgio_data *data) +static void pnfs_ld_handle_write_error(struct nfs_pgio_header *hdr) { - struct nfs_pgio_header *hdr = data->header; dprintk("pnfs write error = %d\n", hdr->pnfs_error); if (NFS_SERVER(hdr->inode)->pnfs_curr_ld->flags & @@ -1512,50 +1507,42 @@ static void pnfs_ld_handle_write_error(struct nfs_pgio_data *data) pnfs_return_layout(hdr->inode); } if (!test_and_set_bit(NFS_IOHDR_REDO, &hdr->flags)) - data->task.tk_status = pnfs_write_done_resend_to_mds(hdr->inode, - &hdr->pages, - hdr->completion_ops, - hdr->dreq); + hdr->task.tk_status = pnfs_write_done_resend_to_mds(hdr); } /* * Called by non rpc-based layout drivers */ -void pnfs_ld_write_done(struct nfs_pgio_data *data) +void pnfs_ld_write_done(struct nfs_pgio_header *hdr) { - struct nfs_pgio_header *hdr = data->header; - - trace_nfs4_pnfs_write(data, hdr->pnfs_error); + trace_nfs4_pnfs_write(hdr, hdr->pnfs_error); if (!hdr->pnfs_error) { - pnfs_set_layoutcommit(data); - hdr->mds_ops->rpc_call_done(&data->task, data); + pnfs_set_layoutcommit(hdr); + hdr->mds_ops->rpc_call_done(&hdr->task, hdr); } else - pnfs_ld_handle_write_error(data); - hdr->mds_ops->rpc_release(data); + pnfs_ld_handle_write_error(hdr); + hdr->mds_ops->rpc_release(hdr); } EXPORT_SYMBOL_GPL(pnfs_ld_write_done); static void pnfs_write_through_mds(struct nfs_pageio_descriptor *desc, - struct nfs_pgio_data *data) + struct nfs_pgio_header *hdr) { - struct nfs_pgio_header *hdr = data->header; - if (!test_and_set_bit(NFS_IOHDR_REDO, &hdr->flags)) { list_splice_tail_init(&hdr->pages, &desc->pg_list); nfs_pageio_reset_write_mds(desc); desc->pg_recoalesce = 1; } - nfs_pgio_data_release(data); + nfs_pgio_data_destroy(hdr); } static enum pnfs_try_status -pnfs_try_to_write_data(struct nfs_pgio_data *wdata, +pnfs_try_to_write_data(struct nfs_pgio_header *hdr, const struct rpc_call_ops *call_ops, struct pnfs_layout_segment *lseg, int how) { - struct nfs_pgio_header *hdr = wdata->header; struct inode *inode = hdr->inode; enum pnfs_try_status trypnfs; struct nfs_server *nfss = NFS_SERVER(inode); @@ -1563,8 +1550,8 @@ pnfs_try_to_write_data(struct nfs_pgio_data *wdata, hdr->mds_ops = call_ops; dprintk("%s: Writing ino:%lu %u@%llu (how %d)\n", __func__, - inode->i_ino, wdata->args.count, wdata->args.offset, how); - trypnfs = nfss->pnfs_curr_ld->write_pagelist(wdata, how); + inode->i_ino, hdr->args.count, hdr->args.offset, how); + trypnfs = nfss->pnfs_curr_ld->write_pagelist(hdr, how); if (trypnfs != PNFS_NOT_ATTEMPTED) nfs_inc_stats(inode, NFSIOS_PNFS_WRITE); dprintk("%s End (trypnfs:%d)\n", __func__, trypnfs); @@ -1575,139 +1562,105 @@ static void pnfs_do_write(struct nfs_pageio_descriptor *desc, struct nfs_pgio_header *hdr, int how) { - struct nfs_pgio_data *data = hdr->data; const struct rpc_call_ops *call_ops = desc->pg_rpc_callops; struct pnfs_layout_segment *lseg = desc->pg_lseg; enum pnfs_try_status trypnfs; desc->pg_lseg = NULL; - trypnfs = pnfs_try_to_write_data(data, call_ops, lseg, how); + trypnfs = pnfs_try_to_write_data(hdr, call_ops, lseg, how); if (trypnfs == PNFS_NOT_ATTEMPTED) - pnfs_write_through_mds(desc, data); + pnfs_write_through_mds(desc, hdr); pnfs_put_lseg(lseg); } static void pnfs_writehdr_free(struct nfs_pgio_header *hdr) { pnfs_put_lseg(hdr->lseg); - nfs_rw_header_free(hdr); + nfs_pgio_header_free(hdr); } EXPORT_SYMBOL_GPL(pnfs_writehdr_free); int pnfs_generic_pg_writepages(struct nfs_pageio_descriptor *desc) { - struct nfs_rw_header *whdr; struct nfs_pgio_header *hdr; int ret; - whdr = nfs_rw_header_alloc(desc->pg_rw_ops); - if (!whdr) { + hdr = nfs_pgio_header_alloc(desc->pg_rw_ops); + if (!hdr) { desc->pg_completion_ops->error_cleanup(&desc->pg_list); pnfs_put_lseg(desc->pg_lseg); desc->pg_lseg = NULL; return -ENOMEM; } - hdr = &whdr->header; nfs_pgheader_init(desc, hdr, pnfs_writehdr_free); hdr->lseg = pnfs_get_lseg(desc->pg_lseg); - atomic_inc(&hdr->refcnt); ret = nfs_generic_pgio(desc, hdr); if (ret != 0) { pnfs_put_lseg(desc->pg_lseg); desc->pg_lseg = NULL; } else pnfs_do_write(desc, hdr, desc->pg_ioflags); - if (atomic_dec_and_test(&hdr->refcnt)) - hdr->completion_ops->completion(hdr); return ret; } EXPORT_SYMBOL_GPL(pnfs_generic_pg_writepages); -int pnfs_read_done_resend_to_mds(struct inode *inode, - struct list_head *head, - const struct nfs_pgio_completion_ops *compl_ops, - struct nfs_direct_req *dreq) +int pnfs_read_done_resend_to_mds(struct nfs_pgio_header *hdr) { struct nfs_pageio_descriptor pgio; - LIST_HEAD(failed); /* Resend all requests through the MDS */ - nfs_pageio_init_read(&pgio, inode, true, compl_ops); - pgio.pg_dreq = dreq; - while (!list_empty(head)) { - struct nfs_page *req = nfs_list_entry(head->next); - - nfs_list_remove_request(req); - if (!nfs_pageio_add_request(&pgio, req)) - nfs_list_add_request(req, &failed); - } - nfs_pageio_complete(&pgio); - - if (!list_empty(&failed)) { - list_move(&failed, head); - return -EIO; - } - return 0; + nfs_pageio_init_read(&pgio, hdr->inode, true, hdr->completion_ops); + return nfs_pageio_resend(&pgio, hdr); } EXPORT_SYMBOL_GPL(pnfs_read_done_resend_to_mds); -static void pnfs_ld_handle_read_error(struct nfs_pgio_data *data) +static void pnfs_ld_handle_read_error(struct nfs_pgio_header *hdr) { - struct nfs_pgio_header *hdr = data->header; - dprintk("pnfs read error = %d\n", hdr->pnfs_error); if (NFS_SERVER(hdr->inode)->pnfs_curr_ld->flags & PNFS_LAYOUTRET_ON_ERROR) { pnfs_return_layout(hdr->inode); } if (!test_and_set_bit(NFS_IOHDR_REDO, &hdr->flags)) - data->task.tk_status = pnfs_read_done_resend_to_mds(hdr->inode, - &hdr->pages, - hdr->completion_ops, - hdr->dreq); + hdr->task.tk_status = pnfs_read_done_resend_to_mds(hdr); } /* * Called by non rpc-based layout drivers */ -void pnfs_ld_read_done(struct nfs_pgio_data *data) +void pnfs_ld_read_done(struct nfs_pgio_header *hdr) { - struct nfs_pgio_header *hdr = data->header; - - trace_nfs4_pnfs_read(data, hdr->pnfs_error); + trace_nfs4_pnfs_read(hdr, hdr->pnfs_error); if (likely(!hdr->pnfs_error)) { - __nfs4_read_done_cb(data); - hdr->mds_ops->rpc_call_done(&data->task, data); + __nfs4_read_done_cb(hdr); + hdr->mds_ops->rpc_call_done(&hdr->task, hdr); } else - pnfs_ld_handle_read_error(data); - hdr->mds_ops->rpc_release(data); + pnfs_ld_handle_read_error(hdr); + hdr->mds_ops->rpc_release(hdr); } EXPORT_SYMBOL_GPL(pnfs_ld_read_done); static void pnfs_read_through_mds(struct nfs_pageio_descriptor *desc, - struct nfs_pgio_data *data) + struct nfs_pgio_header *hdr) { - struct nfs_pgio_header *hdr = data->header; - if (!test_and_set_bit(NFS_IOHDR_REDO, &hdr->flags)) { list_splice_tail_init(&hdr->pages, &desc->pg_list); nfs_pageio_reset_read_mds(desc); desc->pg_recoalesce = 1; } - nfs_pgio_data_release(data); + nfs_pgio_data_destroy(hdr); } /* * Call the appropriate parallel I/O subsystem read function. */ static enum pnfs_try_status -pnfs_try_to_read_data(struct nfs_pgio_data *rdata, +pnfs_try_to_read_data(struct nfs_pgio_header *hdr, const struct rpc_call_ops *call_ops, struct pnfs_layout_segment *lseg) { - struct nfs_pgio_header *hdr = rdata->header; struct inode *inode = hdr->inode; struct nfs_server *nfss = NFS_SERVER(inode); enum pnfs_try_status trypnfs; @@ -1715,9 +1668,9 @@ pnfs_try_to_read_data(struct nfs_pgio_data *rdata, hdr->mds_ops = call_ops; dprintk("%s: Reading ino:%lu %u@%llu\n", - __func__, inode->i_ino, rdata->args.count, rdata->args.offset); + __func__, inode->i_ino, hdr->args.count, hdr->args.offset); - trypnfs = nfss->pnfs_curr_ld->read_pagelist(rdata); + trypnfs = nfss->pnfs_curr_ld->read_pagelist(hdr); if (trypnfs != PNFS_NOT_ATTEMPTED) nfs_inc_stats(inode, NFSIOS_PNFS_READ); dprintk("%s End (trypnfs:%d)\n", __func__, trypnfs); @@ -1727,52 +1680,46 @@ pnfs_try_to_read_data(struct nfs_pgio_data *rdata, static void pnfs_do_read(struct nfs_pageio_descriptor *desc, struct nfs_pgio_header *hdr) { - struct nfs_pgio_data *data = hdr->data; const struct rpc_call_ops *call_ops = desc->pg_rpc_callops; struct pnfs_layout_segment *lseg = desc->pg_lseg; enum pnfs_try_status trypnfs; desc->pg_lseg = NULL; - trypnfs = pnfs_try_to_read_data(data, call_ops, lseg); + trypnfs = pnfs_try_to_read_data(hdr, call_ops, lseg); if (trypnfs == PNFS_NOT_ATTEMPTED) - pnfs_read_through_mds(desc, data); + pnfs_read_through_mds(desc, hdr); pnfs_put_lseg(lseg); } static void pnfs_readhdr_free(struct nfs_pgio_header *hdr) { pnfs_put_lseg(hdr->lseg); - nfs_rw_header_free(hdr); + nfs_pgio_header_free(hdr); } EXPORT_SYMBOL_GPL(pnfs_readhdr_free); int pnfs_generic_pg_readpages(struct nfs_pageio_descriptor *desc) { - struct nfs_rw_header *rhdr; struct nfs_pgio_header *hdr; int ret; - rhdr = nfs_rw_header_alloc(desc->pg_rw_ops); - if (!rhdr) { + hdr = nfs_pgio_header_alloc(desc->pg_rw_ops); + if (!hdr) { desc->pg_completion_ops->error_cleanup(&desc->pg_list); ret = -ENOMEM; pnfs_put_lseg(desc->pg_lseg); desc->pg_lseg = NULL; return ret; } - hdr = &rhdr->header; nfs_pgheader_init(desc, hdr, pnfs_readhdr_free); hdr->lseg = pnfs_get_lseg(desc->pg_lseg); - atomic_inc(&hdr->refcnt); ret = nfs_generic_pgio(desc, hdr); if (ret != 0) { pnfs_put_lseg(desc->pg_lseg); desc->pg_lseg = NULL; } else pnfs_do_read(desc, hdr); - if (atomic_dec_and_test(&hdr->refcnt)) - hdr->completion_ops->completion(hdr); return ret; } EXPORT_SYMBOL_GPL(pnfs_generic_pg_readpages); @@ -1820,12 +1767,11 @@ void pnfs_set_lo_fail(struct pnfs_layout_segment *lseg) EXPORT_SYMBOL_GPL(pnfs_set_lo_fail); void -pnfs_set_layoutcommit(struct nfs_pgio_data *wdata) +pnfs_set_layoutcommit(struct nfs_pgio_header *hdr) { - struct nfs_pgio_header *hdr = wdata->header; struct inode *inode = hdr->inode; struct nfs_inode *nfsi = NFS_I(inode); - loff_t end_pos = wdata->mds_offset + wdata->res.count; + loff_t end_pos = hdr->mds_offset + hdr->res.count; bool mark_as_dirty = false; spin_lock(&inode->i_lock); diff --git a/fs/nfs/pnfs.h b/fs/nfs/pnfs.h index 4fb309a2b4c4..aca3dff5dae6 100644 --- a/fs/nfs/pnfs.h +++ b/fs/nfs/pnfs.h @@ -32,6 +32,7 @@ #include <linux/nfs_fs.h> #include <linux/nfs_page.h> +#include <linux/workqueue.h> enum { NFS_LSEG_VALID = 0, /* cleared when lseg is recalled/returned */ @@ -46,6 +47,7 @@ struct pnfs_layout_segment { atomic_t pls_refcount; unsigned long pls_flags; struct pnfs_layout_hdr *pls_layout; + struct work_struct pls_work; }; enum pnfs_try_status { @@ -104,6 +106,8 @@ struct pnfs_layoutdriver_type { int max); void (*recover_commit_reqs) (struct list_head *list, struct nfs_commit_info *cinfo); + struct nfs_page * (*search_commit_reqs)(struct nfs_commit_info *cinfo, + struct page *page); int (*commit_pagelist)(struct inode *inode, struct list_head *mds_pages, int how, @@ -113,8 +117,8 @@ struct pnfs_layoutdriver_type { * Return PNFS_ATTEMPTED to indicate the layout code has attempted * I/O, else return PNFS_NOT_ATTEMPTED to fall back to normal NFS */ - enum pnfs_try_status (*read_pagelist) (struct nfs_pgio_data *nfs_data); - enum pnfs_try_status (*write_pagelist) (struct nfs_pgio_data *nfs_data, int how); + enum pnfs_try_status (*read_pagelist)(struct nfs_pgio_header *); + enum pnfs_try_status (*write_pagelist)(struct nfs_pgio_header *, int); void (*free_deviceid_node) (struct nfs4_deviceid_node *); @@ -179,6 +183,7 @@ extern int nfs4_proc_layoutreturn(struct nfs4_layoutreturn *lrp); /* pnfs.c */ void pnfs_get_layout_hdr(struct pnfs_layout_hdr *lo); void pnfs_put_lseg(struct pnfs_layout_segment *lseg); +void pnfs_put_lseg_async(struct pnfs_layout_segment *lseg); void set_pnfs_layoutdriver(struct nfs_server *, const struct nfs_fh *, u32); void unset_pnfs_layoutdriver(struct nfs_server *); @@ -213,13 +218,13 @@ bool pnfs_roc(struct inode *ino); void pnfs_roc_release(struct inode *ino); void pnfs_roc_set_barrier(struct inode *ino, u32 barrier); bool pnfs_roc_drain(struct inode *ino, u32 *barrier, struct rpc_task *task); -void pnfs_set_layoutcommit(struct nfs_pgio_data *wdata); +void pnfs_set_layoutcommit(struct nfs_pgio_header *); void pnfs_cleanup_layoutcommit(struct nfs4_layoutcommit_data *data); int pnfs_layoutcommit_inode(struct inode *inode, bool sync); int _pnfs_return_layout(struct inode *); int pnfs_commit_and_return_layout(struct inode *); -void pnfs_ld_write_done(struct nfs_pgio_data *); -void pnfs_ld_read_done(struct nfs_pgio_data *); +void pnfs_ld_write_done(struct nfs_pgio_header *); +void pnfs_ld_read_done(struct nfs_pgio_header *); struct pnfs_layout_segment *pnfs_update_layout(struct inode *ino, struct nfs_open_context *ctx, loff_t pos, @@ -228,12 +233,8 @@ struct pnfs_layout_segment *pnfs_update_layout(struct inode *ino, gfp_t gfp_flags); void nfs4_deviceid_mark_client_invalid(struct nfs_client *clp); -int pnfs_read_done_resend_to_mds(struct inode *inode, struct list_head *head, - const struct nfs_pgio_completion_ops *compl_ops, - struct nfs_direct_req *dreq); -int pnfs_write_done_resend_to_mds(struct inode *inode, struct list_head *head, - const struct nfs_pgio_completion_ops *compl_ops, - struct nfs_direct_req *dreq); +int pnfs_read_done_resend_to_mds(struct nfs_pgio_header *); +int pnfs_write_done_resend_to_mds(struct nfs_pgio_header *); struct nfs4_threshold *pnfs_mdsthreshold_alloc(void); /* nfs4_deviceid_flags */ @@ -345,6 +346,17 @@ pnfs_recover_commit_reqs(struct inode *inode, struct list_head *list, NFS_SERVER(inode)->pnfs_curr_ld->recover_commit_reqs(list, cinfo); } +static inline struct nfs_page * +pnfs_search_commit_reqs(struct inode *inode, struct nfs_commit_info *cinfo, + struct page *page) +{ + struct pnfs_layoutdriver_type *ld = NFS_SERVER(inode)->pnfs_curr_ld; + + if (ld == NULL || ld->search_commit_reqs == NULL) + return NULL; + return ld->search_commit_reqs(cinfo, page); +} + /* Should the pNFS client commit and return the layout upon a setattr */ static inline bool pnfs_ld_layoutret_on_setattr(struct inode *inode) @@ -410,6 +422,10 @@ static inline void pnfs_put_lseg(struct pnfs_layout_segment *lseg) { } +static inline void pnfs_put_lseg_async(struct pnfs_layout_segment *lseg) +{ +} + static inline int pnfs_return_layout(struct inode *ino) { return 0; @@ -496,6 +512,13 @@ pnfs_recover_commit_reqs(struct inode *inode, struct list_head *list, { } +static inline struct nfs_page * +pnfs_search_commit_reqs(struct inode *inode, struct nfs_commit_info *cinfo, + struct page *page) +{ + return NULL; +} + static inline int pnfs_layoutcommit_inode(struct inode *inode, bool sync) { return 0; diff --git a/fs/nfs/proc.c b/fs/nfs/proc.c index c171ce1a8a30..b09cc23d6f43 100644 --- a/fs/nfs/proc.c +++ b/fs/nfs/proc.c @@ -578,46 +578,49 @@ nfs_proc_pathconf(struct nfs_server *server, struct nfs_fh *fhandle, return 0; } -static int nfs_read_done(struct rpc_task *task, struct nfs_pgio_data *data) +static int nfs_read_done(struct rpc_task *task, struct nfs_pgio_header *hdr) { - struct inode *inode = data->header->inode; + struct inode *inode = hdr->inode; nfs_invalidate_atime(inode); if (task->tk_status >= 0) { - nfs_refresh_inode(inode, data->res.fattr); + nfs_refresh_inode(inode, hdr->res.fattr); /* Emulate the eof flag, which isn't normally needed in NFSv2 * as it is guaranteed to always return the file attributes */ - if (data->args.offset + data->res.count >= data->res.fattr->size) - data->res.eof = 1; + if (hdr->args.offset + hdr->res.count >= hdr->res.fattr->size) + hdr->res.eof = 1; } return 0; } -static void nfs_proc_read_setup(struct nfs_pgio_data *data, struct rpc_message *msg) +static void nfs_proc_read_setup(struct nfs_pgio_header *hdr, + struct rpc_message *msg) { msg->rpc_proc = &nfs_procedures[NFSPROC_READ]; } -static int nfs_proc_pgio_rpc_prepare(struct rpc_task *task, struct nfs_pgio_data *data) +static int nfs_proc_pgio_rpc_prepare(struct rpc_task *task, + struct nfs_pgio_header *hdr) { rpc_call_start(task); return 0; } -static int nfs_write_done(struct rpc_task *task, struct nfs_pgio_data *data) +static int nfs_write_done(struct rpc_task *task, struct nfs_pgio_header *hdr) { - struct inode *inode = data->header->inode; + struct inode *inode = hdr->inode; if (task->tk_status >= 0) - nfs_post_op_update_inode_force_wcc(inode, data->res.fattr); + nfs_post_op_update_inode_force_wcc(inode, hdr->res.fattr); return 0; } -static void nfs_proc_write_setup(struct nfs_pgio_data *data, struct rpc_message *msg) +static void nfs_proc_write_setup(struct nfs_pgio_header *hdr, + struct rpc_message *msg) { /* Note: NFSv2 ignores @stable and always uses NFS_FILE_SYNC */ - data->args.stable = NFS_FILE_SYNC; + hdr->args.stable = NFS_FILE_SYNC; msg->rpc_proc = &nfs_procedures[NFSPROC_WRITE]; } diff --git a/fs/nfs/read.c b/fs/nfs/read.c index e818a475ca64..beff2769c5c5 100644 --- a/fs/nfs/read.c +++ b/fs/nfs/read.c @@ -33,12 +33,12 @@ static const struct nfs_rw_ops nfs_rw_read_ops; static struct kmem_cache *nfs_rdata_cachep; -static struct nfs_rw_header *nfs_readhdr_alloc(void) +static struct nfs_pgio_header *nfs_readhdr_alloc(void) { return kmem_cache_zalloc(nfs_rdata_cachep, GFP_KERNEL); } -static void nfs_readhdr_free(struct nfs_rw_header *rhdr) +static void nfs_readhdr_free(struct nfs_pgio_header *rhdr) { kmem_cache_free(nfs_rdata_cachep, rhdr); } @@ -115,12 +115,6 @@ static void nfs_readpage_release(struct nfs_page *req) unlock_page(req->wb_page); } - - dprintk("NFS: read done (%s/%Lu %d@%Ld)\n", - req->wb_context->dentry->d_inode->i_sb->s_id, - (unsigned long long)NFS_FILEID(req->wb_context->dentry->d_inode), - req->wb_bytes, - (long long)req_offset(req)); nfs_release_request(req); } @@ -172,14 +166,15 @@ out: hdr->release(hdr); } -static void nfs_initiate_read(struct nfs_pgio_data *data, struct rpc_message *msg, +static void nfs_initiate_read(struct nfs_pgio_header *hdr, + struct rpc_message *msg, struct rpc_task_setup *task_setup_data, int how) { - struct inode *inode = data->header->inode; + struct inode *inode = hdr->inode; int swap_flags = IS_SWAPFILE(inode) ? NFS_RPC_SWAPFLAGS : 0; task_setup_data->flags |= swap_flags; - NFS_PROTO(inode)->read_setup(data, msg); + NFS_PROTO(inode)->read_setup(hdr, msg); } static void @@ -203,14 +198,15 @@ static const struct nfs_pgio_completion_ops nfs_async_read_completion_ops = { * This is the callback from RPC telling us whether a reply was * received or some error occurred (timeout or socket shutdown). */ -static int nfs_readpage_done(struct rpc_task *task, struct nfs_pgio_data *data, +static int nfs_readpage_done(struct rpc_task *task, + struct nfs_pgio_header *hdr, struct inode *inode) { - int status = NFS_PROTO(inode)->read_done(task, data); + int status = NFS_PROTO(inode)->read_done(task, hdr); if (status != 0) return status; - nfs_add_stats(inode, NFSIOS_SERVERREADBYTES, data->res.count); + nfs_add_stats(inode, NFSIOS_SERVERREADBYTES, hdr->res.count); if (task->tk_status == -ESTALE) { set_bit(NFS_INO_STALE, &NFS_I(inode)->flags); @@ -219,34 +215,34 @@ static int nfs_readpage_done(struct rpc_task *task, struct nfs_pgio_data *data, return 0; } -static void nfs_readpage_retry(struct rpc_task *task, struct nfs_pgio_data *data) +static void nfs_readpage_retry(struct rpc_task *task, + struct nfs_pgio_header *hdr) { - struct nfs_pgio_args *argp = &data->args; - struct nfs_pgio_res *resp = &data->res; + struct nfs_pgio_args *argp = &hdr->args; + struct nfs_pgio_res *resp = &hdr->res; /* This is a short read! */ - nfs_inc_stats(data->header->inode, NFSIOS_SHORTREAD); + nfs_inc_stats(hdr->inode, NFSIOS_SHORTREAD); /* Has the server at least made some progress? */ if (resp->count == 0) { - nfs_set_pgio_error(data->header, -EIO, argp->offset); + nfs_set_pgio_error(hdr, -EIO, argp->offset); return; } - /* Yes, so retry the read at the end of the data */ - data->mds_offset += resp->count; + /* Yes, so retry the read at the end of the hdr */ + hdr->mds_offset += resp->count; argp->offset += resp->count; argp->pgbase += resp->count; argp->count -= resp->count; rpc_restart_call_prepare(task); } -static void nfs_readpage_result(struct rpc_task *task, struct nfs_pgio_data *data) +static void nfs_readpage_result(struct rpc_task *task, + struct nfs_pgio_header *hdr) { - struct nfs_pgio_header *hdr = data->header; - - if (data->res.eof) { + if (hdr->res.eof) { loff_t bound; - bound = data->args.offset + data->res.count; + bound = hdr->args.offset + hdr->res.count; spin_lock(&hdr->lock); if (bound < hdr->io_start + hdr->good_bytes) { set_bit(NFS_IOHDR_EOF, &hdr->flags); @@ -254,8 +250,8 @@ static void nfs_readpage_result(struct rpc_task *task, struct nfs_pgio_data *dat hdr->good_bytes = bound - hdr->io_start; } spin_unlock(&hdr->lock); - } else if (data->res.count != data->args.count) - nfs_readpage_retry(task, data); + } else if (hdr->res.count != hdr->args.count) + nfs_readpage_retry(task, hdr); } /* @@ -404,7 +400,7 @@ out: int __init nfs_init_readpagecache(void) { nfs_rdata_cachep = kmem_cache_create("nfs_read_data", - sizeof(struct nfs_rw_header), + sizeof(struct nfs_pgio_header), 0, SLAB_HWCACHE_ALIGN, NULL); if (nfs_rdata_cachep == NULL) diff --git a/fs/nfs/super.c b/fs/nfs/super.c index 084af1060d79..e4499d5b51e8 100644 --- a/fs/nfs/super.c +++ b/fs/nfs/super.c @@ -1027,8 +1027,7 @@ static bool nfs_auth_info_add(struct nfs_auth_info *auth_info, rpc_authflavor_t flavor) { unsigned int i; - unsigned int max_flavor_len = (sizeof(auth_info->flavors) / - sizeof(auth_info->flavors[0])); + unsigned int max_flavor_len = ARRAY_SIZE(auth_info->flavors); /* make sure this flavor isn't already in the list */ for (i = 0; i < auth_info->flavor_len; i++) { @@ -2180,7 +2179,7 @@ out_no_address: return -EINVAL; } -#define NFS_MOUNT_CMP_FLAGMASK ~(NFS_MOUNT_INTR \ +#define NFS_REMOUNT_CMP_FLAGMASK ~(NFS_MOUNT_INTR \ | NFS_MOUNT_SECURE \ | NFS_MOUNT_TCP \ | NFS_MOUNT_VER3 \ @@ -2188,15 +2187,16 @@ out_no_address: | NFS_MOUNT_NONLM \ | NFS_MOUNT_BROKEN_SUID \ | NFS_MOUNT_STRICTLOCK \ - | NFS_MOUNT_UNSHARED \ - | NFS_MOUNT_NORESVPORT \ | NFS_MOUNT_LEGACY_INTERFACE) +#define NFS_MOUNT_CMP_FLAGMASK (NFS_REMOUNT_CMP_FLAGMASK & \ + ~(NFS_MOUNT_UNSHARED | NFS_MOUNT_NORESVPORT)) + static int nfs_compare_remount_data(struct nfs_server *nfss, struct nfs_parsed_mount_data *data) { - if ((data->flags ^ nfss->flags) & NFS_MOUNT_CMP_FLAGMASK || + if ((data->flags ^ nfss->flags) & NFS_REMOUNT_CMP_FLAGMASK || data->rsize != nfss->rsize || data->wsize != nfss->wsize || data->version != nfss->nfs_client->rpc_ops->version || diff --git a/fs/nfs/write.c b/fs/nfs/write.c index 962c9ee758be..e3b5cf28bdc5 100644 --- a/fs/nfs/write.c +++ b/fs/nfs/write.c @@ -47,6 +47,8 @@ static const struct nfs_pgio_completion_ops nfs_async_write_completion_ops; static const struct nfs_commit_completion_ops nfs_commit_completion_ops; static const struct nfs_rw_ops nfs_rw_write_ops; static void nfs_clear_request_commit(struct nfs_page *req); +static void nfs_init_cinfo_from_inode(struct nfs_commit_info *cinfo, + struct inode *inode); static struct kmem_cache *nfs_wdata_cachep; static mempool_t *nfs_wdata_mempool; @@ -71,18 +73,18 @@ void nfs_commit_free(struct nfs_commit_data *p) } EXPORT_SYMBOL_GPL(nfs_commit_free); -static struct nfs_rw_header *nfs_writehdr_alloc(void) +static struct nfs_pgio_header *nfs_writehdr_alloc(void) { - struct nfs_rw_header *p = mempool_alloc(nfs_wdata_mempool, GFP_NOIO); + struct nfs_pgio_header *p = mempool_alloc(nfs_wdata_mempool, GFP_NOIO); if (p) memset(p, 0, sizeof(*p)); return p; } -static void nfs_writehdr_free(struct nfs_rw_header *whdr) +static void nfs_writehdr_free(struct nfs_pgio_header *hdr) { - mempool_free(whdr, nfs_wdata_mempool); + mempool_free(hdr, nfs_wdata_mempool); } static void nfs_context_set_write_error(struct nfs_open_context *ctx, int error) @@ -93,6 +95,38 @@ static void nfs_context_set_write_error(struct nfs_open_context *ctx, int error) } /* + * nfs_page_search_commits_for_head_request_locked + * + * Search through commit lists on @inode for the head request for @page. + * Must be called while holding the inode (which is cinfo) lock. + * + * Returns the head request if found, or NULL if not found. + */ +static struct nfs_page * +nfs_page_search_commits_for_head_request_locked(struct nfs_inode *nfsi, + struct page *page) +{ + struct nfs_page *freq, *t; + struct nfs_commit_info cinfo; + struct inode *inode = &nfsi->vfs_inode; + + nfs_init_cinfo_from_inode(&cinfo, inode); + + /* search through pnfs commit lists */ + freq = pnfs_search_commit_reqs(inode, &cinfo, page); + if (freq) + return freq->wb_head; + + /* Linearly search the commit list for the correct request */ + list_for_each_entry_safe(freq, t, &cinfo.mds->list, wb_list) { + if (freq->wb_page == page) + return freq->wb_head; + } + + return NULL; +} + +/* * nfs_page_find_head_request_locked - find head request associated with @page * * must be called while holding the inode lock. @@ -106,21 +140,12 @@ nfs_page_find_head_request_locked(struct nfs_inode *nfsi, struct page *page) if (PagePrivate(page)) req = (struct nfs_page *)page_private(page); - else if (unlikely(PageSwapCache(page))) { - struct nfs_page *freq, *t; - - /* Linearly search the commit list for the correct req */ - list_for_each_entry_safe(freq, t, &nfsi->commit_info.list, wb_list) { - if (freq->wb_page == page) { - req = freq->wb_head; - break; - } - } - } + else if (unlikely(PageSwapCache(page))) + req = nfs_page_search_commits_for_head_request_locked(nfsi, + page); if (req) { WARN_ON_ONCE(req->wb_head != req); - kref_get(&req->wb_kref); } @@ -216,7 +241,7 @@ static bool nfs_page_group_covers_page(struct nfs_page *req) unsigned int pos = 0; unsigned int len = nfs_page_length(req->wb_page); - nfs_page_group_lock(req); + nfs_page_group_lock(req, true); do { tmp = nfs_page_group_search_locked(req->wb_head, pos); @@ -379,8 +404,6 @@ nfs_destroy_unlinked_subrequests(struct nfs_page *destroy_list, subreq->wb_head = subreq; subreq->wb_this_page = subreq; - nfs_clear_request_commit(subreq); - /* subreq is now totally disconnected from page group or any * write / commit lists. last chance to wake any waiters */ nfs_unlock_request(subreq); @@ -456,7 +479,9 @@ try_again: } /* lock each request in the page group */ - nfs_page_group_lock(head); + ret = nfs_page_group_lock(head, false); + if (ret < 0) + return ERR_PTR(ret); subreq = head; do { /* @@ -488,7 +513,7 @@ try_again: * Commit list removal accounting is done after locks are dropped */ subreq = head; do { - nfs_list_remove_request(subreq); + nfs_clear_request_commit(subreq); subreq = subreq->wb_this_page; } while (subreq != head); @@ -518,15 +543,11 @@ try_again: nfs_page_group_unlock(head); - /* drop lock to clear_request_commit the head req and clean up - * requests on destroy list */ + /* drop lock to clean uprequests on destroy list */ spin_unlock(&inode->i_lock); nfs_destroy_unlinked_subrequests(destroy_list, head); - /* clean up commit list state */ - nfs_clear_request_commit(head); - /* still holds ref on head from nfs_page_find_head_request_locked * and still has lock on head from lock loop */ return head; @@ -705,6 +726,8 @@ static void nfs_inode_remove_request(struct nfs_page *req) if (test_and_clear_bit(PG_INODE_REF, &req->wb_flags)) nfs_release_request(req); + else + WARN_ON_ONCE(1); } static void @@ -808,6 +831,7 @@ nfs_clear_page_commit(struct page *page) dec_bdi_stat(page_file_mapping(page)->backing_dev_info, BDI_RECLAIMABLE); } +/* Called holding inode (/cinfo) lock */ static void nfs_clear_request_commit(struct nfs_page *req) { @@ -817,20 +841,17 @@ nfs_clear_request_commit(struct nfs_page *req) nfs_init_cinfo_from_inode(&cinfo, inode); if (!pnfs_clear_request_commit(req, &cinfo)) { - spin_lock(cinfo.lock); nfs_request_remove_commit_list(req, &cinfo); - spin_unlock(cinfo.lock); } nfs_clear_page_commit(req->wb_page); } } -static inline -int nfs_write_need_commit(struct nfs_pgio_data *data) +int nfs_write_need_commit(struct nfs_pgio_header *hdr) { - if (data->verf.committed == NFS_DATA_SYNC) - return data->header->lseg == NULL; - return data->verf.committed != NFS_FILE_SYNC; + if (hdr->verf.committed == NFS_DATA_SYNC) + return hdr->lseg == NULL; + return hdr->verf.committed != NFS_FILE_SYNC; } #else @@ -856,8 +877,7 @@ nfs_clear_request_commit(struct nfs_page *req) { } -static inline -int nfs_write_need_commit(struct nfs_pgio_data *data) +int nfs_write_need_commit(struct nfs_pgio_header *hdr) { return 0; } @@ -883,11 +903,7 @@ static void nfs_write_completion(struct nfs_pgio_header *hdr) nfs_context_set_write_error(req->wb_context, hdr->error); goto remove_req; } - if (test_bit(NFS_IOHDR_NEED_RESCHED, &hdr->flags)) { - nfs_mark_request_dirty(req); - goto next; - } - if (test_bit(NFS_IOHDR_NEED_COMMIT, &hdr->flags)) { + if (nfs_write_need_commit(hdr)) { memcpy(&req->wb_verf, &hdr->verf.verifier, sizeof(req->wb_verf)); nfs_mark_request_commit(req, hdr->lseg, &cinfo); goto next; @@ -1038,9 +1054,9 @@ static struct nfs_page *nfs_try_to_update_request(struct inode *inode, else req->wb_bytes = rqend - req->wb_offset; out_unlock: - spin_unlock(&inode->i_lock); if (req) nfs_clear_request_commit(req); + spin_unlock(&inode->i_lock); return req; out_flushme: spin_unlock(&inode->i_lock); @@ -1241,17 +1257,18 @@ static int flush_task_priority(int how) return RPC_PRIORITY_NORMAL; } -static void nfs_initiate_write(struct nfs_pgio_data *data, struct rpc_message *msg, +static void nfs_initiate_write(struct nfs_pgio_header *hdr, + struct rpc_message *msg, struct rpc_task_setup *task_setup_data, int how) { - struct inode *inode = data->header->inode; + struct inode *inode = hdr->inode; int priority = flush_task_priority(how); task_setup_data->priority = priority; - NFS_PROTO(inode)->write_setup(data, msg); + NFS_PROTO(inode)->write_setup(hdr, msg); nfs4_state_protect_write(NFS_SERVER(inode)->nfs_client, - &task_setup_data->rpc_client, msg, data); + &task_setup_data->rpc_client, msg, hdr); } /* If a nfs_flush_* function fails, it should remove reqs from @head and @@ -1313,21 +1330,9 @@ void nfs_commit_prepare(struct rpc_task *task, void *calldata) NFS_PROTO(data->inode)->commit_rpc_prepare(task, data); } -static void nfs_writeback_release_common(struct nfs_pgio_data *data) +static void nfs_writeback_release_common(struct nfs_pgio_header *hdr) { - struct nfs_pgio_header *hdr = data->header; - int status = data->task.tk_status; - - if ((status >= 0) && nfs_write_need_commit(data)) { - spin_lock(&hdr->lock); - if (test_bit(NFS_IOHDR_NEED_RESCHED, &hdr->flags)) - ; /* Do nothing */ - else if (!test_and_set_bit(NFS_IOHDR_NEED_COMMIT, &hdr->flags)) - memcpy(&hdr->verf, &data->verf, sizeof(hdr->verf)); - else if (memcmp(&hdr->verf, &data->verf, sizeof(hdr->verf))) - set_bit(NFS_IOHDR_NEED_RESCHED, &hdr->flags); - spin_unlock(&hdr->lock); - } + /* do nothing! */ } /* @@ -1358,7 +1363,8 @@ static int nfs_should_remove_suid(const struct inode *inode) /* * This function is called when the WRITE call is complete. */ -static int nfs_writeback_done(struct rpc_task *task, struct nfs_pgio_data *data, +static int nfs_writeback_done(struct rpc_task *task, + struct nfs_pgio_header *hdr, struct inode *inode) { int status; @@ -1370,13 +1376,14 @@ static int nfs_writeback_done(struct rpc_task *task, struct nfs_pgio_data *data, * another writer had changed the file, but some applications * depend on tighter cache coherency when writing. */ - status = NFS_PROTO(inode)->write_done(task, data); + status = NFS_PROTO(inode)->write_done(task, hdr); if (status != 0) return status; - nfs_add_stats(inode, NFSIOS_SERVERWRITTENBYTES, data->res.count); + nfs_add_stats(inode, NFSIOS_SERVERWRITTENBYTES, hdr->res.count); #if IS_ENABLED(CONFIG_NFS_V3) || IS_ENABLED(CONFIG_NFS_V4) - if (data->res.verf->committed < data->args.stable && task->tk_status >= 0) { + if (hdr->res.verf->committed < hdr->args.stable && + task->tk_status >= 0) { /* We tried a write call, but the server did not * commit data to stable storage even though we * requested it. @@ -1392,7 +1399,7 @@ static int nfs_writeback_done(struct rpc_task *task, struct nfs_pgio_data *data, dprintk("NFS: faulty NFS server %s:" " (committed = %d) != (stable = %d)\n", NFS_SERVER(inode)->nfs_client->cl_hostname, - data->res.verf->committed, data->args.stable); + hdr->res.verf->committed, hdr->args.stable); complain = jiffies + 300 * HZ; } } @@ -1407,16 +1414,17 @@ static int nfs_writeback_done(struct rpc_task *task, struct nfs_pgio_data *data, /* * This function is called when the WRITE call is complete. */ -static void nfs_writeback_result(struct rpc_task *task, struct nfs_pgio_data *data) +static void nfs_writeback_result(struct rpc_task *task, + struct nfs_pgio_header *hdr) { - struct nfs_pgio_args *argp = &data->args; - struct nfs_pgio_res *resp = &data->res; + struct nfs_pgio_args *argp = &hdr->args; + struct nfs_pgio_res *resp = &hdr->res; if (resp->count < argp->count) { static unsigned long complain; /* This a short write! */ - nfs_inc_stats(data->header->inode, NFSIOS_SHORTWRITE); + nfs_inc_stats(hdr->inode, NFSIOS_SHORTWRITE); /* Has the server at least made some progress? */ if (resp->count == 0) { @@ -1426,14 +1434,14 @@ static void nfs_writeback_result(struct rpc_task *task, struct nfs_pgio_data *da argp->count); complain = jiffies + 300 * HZ; } - nfs_set_pgio_error(data->header, -EIO, argp->offset); + nfs_set_pgio_error(hdr, -EIO, argp->offset); task->tk_status = -EIO; return; } /* Was this an NFSv2 write or an NFSv3 stable write? */ if (resp->verf->committed != NFS_UNSTABLE) { /* Resend from where the server left off */ - data->mds_offset += resp->count; + hdr->mds_offset += resp->count; argp->offset += resp->count; argp->pgbase += resp->count; argp->count -= resp->count; @@ -1884,7 +1892,7 @@ int nfs_migrate_page(struct address_space *mapping, struct page *newpage, int __init nfs_init_writepagecache(void) { nfs_wdata_cachep = kmem_cache_create("nfs_write_data", - sizeof(struct nfs_rw_header), + sizeof(struct nfs_pgio_header), 0, SLAB_HWCACHE_ALIGN, NULL); if (nfs_wdata_cachep == NULL) diff --git a/fs/nfs_common/nfsacl.c b/fs/nfs_common/nfsacl.c index ed628f71274c..538f142935ea 100644 --- a/fs/nfs_common/nfsacl.c +++ b/fs/nfs_common/nfsacl.c @@ -30,9 +30,6 @@ MODULE_LICENSE("GPL"); -EXPORT_SYMBOL_GPL(nfsacl_encode); -EXPORT_SYMBOL_GPL(nfsacl_decode); - struct nfsacl_encode_desc { struct xdr_array2_desc desc; unsigned int count; @@ -136,6 +133,7 @@ int nfsacl_encode(struct xdr_buf *buf, unsigned int base, struct inode *inode, nfsacl_desc.desc.array_len; return err; } +EXPORT_SYMBOL_GPL(nfsacl_encode); struct nfsacl_decode_desc { struct xdr_array2_desc desc; @@ -295,3 +293,4 @@ int nfsacl_decode(struct xdr_buf *buf, unsigned int base, unsigned int *aclcnt, return 8 + nfsacl_desc.desc.elem_size * nfsacl_desc.desc.array_len; } +EXPORT_SYMBOL_GPL(nfsacl_decode); diff --git a/fs/nilfs2/super.c b/fs/nilfs2/super.c index c519927b7b5e..228f5bdf0772 100644 --- a/fs/nilfs2/super.c +++ b/fs/nilfs2/super.c @@ -942,7 +942,7 @@ static int nilfs_get_root_dentry(struct super_block *sb, iput(inode); } } else { - dentry = d_obtain_alias(inode); + dentry = d_obtain_root(inode); if (IS_ERR(dentry)) { ret = PTR_ERR(dentry); goto failed_dentry; diff --git a/fs/quota/dquot.c b/fs/quota/dquot.c index 7f30bdc57d13..f2d0eee9d1f1 100644 --- a/fs/quota/dquot.c +++ b/fs/quota/dquot.c @@ -96,13 +96,16 @@ * Note that some things (eg. sb pointer, type, id) doesn't change during * the life of the dquot structure and so needn't to be protected by a lock * - * Any operation working on dquots via inode pointers must hold dqptr_sem. If - * operation is just reading pointers from inode (or not using them at all) the - * read lock is enough. If pointers are altered function must hold write lock. + * Operation accessing dquots via inode pointers are protected by dquot_srcu. + * Operation of reading pointer needs srcu_read_lock(&dquot_srcu), and + * synchronize_srcu(&dquot_srcu) is called after clearing pointers from + * inode and before dropping dquot references to avoid use of dquots after + * they are freed. dq_data_lock is used to serialize the pointer setting and + * clearing operations. * Special care needs to be taken about S_NOQUOTA inode flag (marking that * inode is a quota file). Functions adding pointers from inode to dquots have - * to check this flag under dqptr_sem and then (if S_NOQUOTA is not set) they - * have to do all pointer modifications before dropping dqptr_sem. This makes + * to check this flag under dq_data_lock and then (if S_NOQUOTA is not set) they + * have to do all pointer modifications before dropping dq_data_lock. This makes * sure they cannot race with quotaon which first sets S_NOQUOTA flag and * then drops all pointers to dquots from an inode. * @@ -116,21 +119,15 @@ * spinlock to internal buffers before writing. * * Lock ordering (including related VFS locks) is the following: - * dqonoff_mutex > i_mutex > journal_lock > dqptr_sem > dquot->dq_lock > - * dqio_mutex + * dqonoff_mutex > i_mutex > journal_lock > dquot->dq_lock > dqio_mutex * dqonoff_mutex > i_mutex comes from dquot_quota_sync, dquot_enable, etc. - * The lock ordering of dqptr_sem imposed by quota code is only dqonoff_sem > - * dqptr_sem. But filesystem has to count with the fact that functions such as - * dquot_alloc_space() acquire dqptr_sem and they usually have to be called - * from inside a transaction to keep filesystem consistency after a crash. Also - * filesystems usually want to do some IO on dquot from ->mark_dirty which is - * called with dqptr_sem held. */ static __cacheline_aligned_in_smp DEFINE_SPINLOCK(dq_list_lock); static __cacheline_aligned_in_smp DEFINE_SPINLOCK(dq_state_lock); __cacheline_aligned_in_smp DEFINE_SPINLOCK(dq_data_lock); EXPORT_SYMBOL(dq_data_lock); +DEFINE_STATIC_SRCU(dquot_srcu); void __quota_error(struct super_block *sb, const char *func, const char *fmt, ...) @@ -733,7 +730,6 @@ static struct shrinker dqcache_shrinker = { /* * Put reference to dquot - * NOTE: If you change this function please check whether dqput_blocks() works right... */ void dqput(struct dquot *dquot) { @@ -963,46 +959,33 @@ static void add_dquot_ref(struct super_block *sb, int type) } /* - * Return 0 if dqput() won't block. - * (note that 1 doesn't necessarily mean blocking) - */ -static inline int dqput_blocks(struct dquot *dquot) -{ - if (atomic_read(&dquot->dq_count) <= 1) - return 1; - return 0; -} - -/* * Remove references to dquots from inode and add dquot to list for freeing * if we have the last reference to dquot - * We can't race with anybody because we hold dqptr_sem for writing... */ -static int remove_inode_dquot_ref(struct inode *inode, int type, - struct list_head *tofree_head) +static void remove_inode_dquot_ref(struct inode *inode, int type, + struct list_head *tofree_head) { struct dquot *dquot = inode->i_dquot[type]; inode->i_dquot[type] = NULL; - if (dquot) { - if (dqput_blocks(dquot)) { -#ifdef CONFIG_QUOTA_DEBUG - if (atomic_read(&dquot->dq_count) != 1) - quota_error(inode->i_sb, "Adding dquot with " - "dq_count %d to dispose list", - atomic_read(&dquot->dq_count)); -#endif - spin_lock(&dq_list_lock); - /* As dquot must have currently users it can't be on - * the free list... */ - list_add(&dquot->dq_free, tofree_head); - spin_unlock(&dq_list_lock); - return 1; - } - else - dqput(dquot); /* We have guaranteed we won't block */ + if (!dquot) + return; + + if (list_empty(&dquot->dq_free)) { + /* + * The inode still has reference to dquot so it can't be in the + * free list + */ + spin_lock(&dq_list_lock); + list_add(&dquot->dq_free, tofree_head); + spin_unlock(&dq_list_lock); + } else { + /* + * Dquot is already in a list to put so we won't drop the last + * reference here. + */ + dqput(dquot); } - return 0; } /* @@ -1037,13 +1020,15 @@ static void remove_dquot_ref(struct super_block *sb, int type, * We have to scan also I_NEW inodes because they can already * have quota pointer initialized. Luckily, we need to touch * only quota pointers and these have separate locking - * (dqptr_sem). + * (dq_data_lock). */ + spin_lock(&dq_data_lock); if (!IS_NOQUOTA(inode)) { if (unlikely(inode_get_rsv_space(inode) > 0)) reserved = 1; remove_inode_dquot_ref(inode, type, tofree_head); } + spin_unlock(&dq_data_lock); } spin_unlock(&inode_sb_list_lock); #ifdef CONFIG_QUOTA_DEBUG @@ -1061,9 +1046,8 @@ static void drop_dquot_ref(struct super_block *sb, int type) LIST_HEAD(tofree_head); if (sb->dq_op) { - down_write(&sb_dqopt(sb)->dqptr_sem); remove_dquot_ref(sb, type, &tofree_head); - up_write(&sb_dqopt(sb)->dqptr_sem); + synchronize_srcu(&dquot_srcu); put_dquot_list(&tofree_head); } } @@ -1394,21 +1378,16 @@ static int dquot_active(const struct inode *inode) /* * Initialize quota pointers in inode * - * We do things in a bit complicated way but by that we avoid calling - * dqget() and thus filesystem callbacks under dqptr_sem. - * * It is better to call this function outside of any transaction as it * might need a lot of space in journal for dquot structure allocation. */ static void __dquot_initialize(struct inode *inode, int type) { - int cnt; + int cnt, init_needed = 0; struct dquot *got[MAXQUOTAS]; struct super_block *sb = inode->i_sb; qsize_t rsv; - /* First test before acquiring mutex - solves deadlocks when we - * re-enter the quota code and are already holding the mutex */ if (!dquot_active(inode)) return; @@ -1418,6 +1397,15 @@ static void __dquot_initialize(struct inode *inode, int type) got[cnt] = NULL; if (type != -1 && cnt != type) continue; + /* + * The i_dquot should have been initialized in most cases, + * we check it without locking here to avoid unnecessary + * dqget()/dqput() calls. + */ + if (inode->i_dquot[cnt]) + continue; + init_needed = 1; + switch (cnt) { case USRQUOTA: qid = make_kqid_uid(inode->i_uid); @@ -1429,7 +1417,11 @@ static void __dquot_initialize(struct inode *inode, int type) got[cnt] = dqget(sb, qid); } - down_write(&sb_dqopt(sb)->dqptr_sem); + /* All required i_dquot has been initialized */ + if (!init_needed) + return; + + spin_lock(&dq_data_lock); if (IS_NOQUOTA(inode)) goto out_err; for (cnt = 0; cnt < MAXQUOTAS; cnt++) { @@ -1449,15 +1441,12 @@ static void __dquot_initialize(struct inode *inode, int type) * did a write before quota was turned on */ rsv = inode_get_rsv_space(inode); - if (unlikely(rsv)) { - spin_lock(&dq_data_lock); + if (unlikely(rsv)) dquot_resv_space(inode->i_dquot[cnt], rsv); - spin_unlock(&dq_data_lock); - } } } out_err: - up_write(&sb_dqopt(sb)->dqptr_sem); + spin_unlock(&dq_data_lock); /* Drop unused references */ dqput_all(got); } @@ -1469,19 +1458,24 @@ void dquot_initialize(struct inode *inode) EXPORT_SYMBOL(dquot_initialize); /* - * Release all quotas referenced by inode + * Release all quotas referenced by inode. + * + * This function only be called on inode free or converting + * a file to quota file, no other users for the i_dquot in + * both cases, so we needn't call synchronize_srcu() after + * clearing i_dquot. */ static void __dquot_drop(struct inode *inode) { int cnt; struct dquot *put[MAXQUOTAS]; - down_write(&sb_dqopt(inode->i_sb)->dqptr_sem); + spin_lock(&dq_data_lock); for (cnt = 0; cnt < MAXQUOTAS; cnt++) { put[cnt] = inode->i_dquot[cnt]; inode->i_dquot[cnt] = NULL; } - up_write(&sb_dqopt(inode->i_sb)->dqptr_sem); + spin_unlock(&dq_data_lock); dqput_all(put); } @@ -1599,15 +1593,11 @@ static void inode_decr_space(struct inode *inode, qsize_t number, int reserve) */ int __dquot_alloc_space(struct inode *inode, qsize_t number, int flags) { - int cnt, ret = 0; + int cnt, ret = 0, index; struct dquot_warn warn[MAXQUOTAS]; struct dquot **dquots = inode->i_dquot; int reserve = flags & DQUOT_SPACE_RESERVE; - /* - * First test before acquiring mutex - solves deadlocks when we - * re-enter the quota code and are already holding the mutex - */ if (!dquot_active(inode)) { inode_incr_space(inode, number, reserve); goto out; @@ -1616,7 +1606,7 @@ int __dquot_alloc_space(struct inode *inode, qsize_t number, int flags) for (cnt = 0; cnt < MAXQUOTAS; cnt++) warn[cnt].w_type = QUOTA_NL_NOWARN; - down_read(&sb_dqopt(inode->i_sb)->dqptr_sem); + index = srcu_read_lock(&dquot_srcu); spin_lock(&dq_data_lock); for (cnt = 0; cnt < MAXQUOTAS; cnt++) { if (!dquots[cnt]) @@ -1643,7 +1633,7 @@ int __dquot_alloc_space(struct inode *inode, qsize_t number, int flags) goto out_flush_warn; mark_all_dquot_dirty(dquots); out_flush_warn: - up_read(&sb_dqopt(inode->i_sb)->dqptr_sem); + srcu_read_unlock(&dquot_srcu, index); flush_warnings(warn); out: return ret; @@ -1655,17 +1645,16 @@ EXPORT_SYMBOL(__dquot_alloc_space); */ int dquot_alloc_inode(const struct inode *inode) { - int cnt, ret = 0; + int cnt, ret = 0, index; struct dquot_warn warn[MAXQUOTAS]; struct dquot * const *dquots = inode->i_dquot; - /* First test before acquiring mutex - solves deadlocks when we - * re-enter the quota code and are already holding the mutex */ if (!dquot_active(inode)) return 0; for (cnt = 0; cnt < MAXQUOTAS; cnt++) warn[cnt].w_type = QUOTA_NL_NOWARN; - down_read(&sb_dqopt(inode->i_sb)->dqptr_sem); + + index = srcu_read_lock(&dquot_srcu); spin_lock(&dq_data_lock); for (cnt = 0; cnt < MAXQUOTAS; cnt++) { if (!dquots[cnt]) @@ -1685,7 +1674,7 @@ warn_put_all: spin_unlock(&dq_data_lock); if (ret == 0) mark_all_dquot_dirty(dquots); - up_read(&sb_dqopt(inode->i_sb)->dqptr_sem); + srcu_read_unlock(&dquot_srcu, index); flush_warnings(warn); return ret; } @@ -1696,14 +1685,14 @@ EXPORT_SYMBOL(dquot_alloc_inode); */ int dquot_claim_space_nodirty(struct inode *inode, qsize_t number) { - int cnt; + int cnt, index; if (!dquot_active(inode)) { inode_claim_rsv_space(inode, number); return 0; } - down_read(&sb_dqopt(inode->i_sb)->dqptr_sem); + index = srcu_read_lock(&dquot_srcu); spin_lock(&dq_data_lock); /* Claim reserved quotas to allocated quotas */ for (cnt = 0; cnt < MAXQUOTAS; cnt++) { @@ -1715,7 +1704,7 @@ int dquot_claim_space_nodirty(struct inode *inode, qsize_t number) inode_claim_rsv_space(inode, number); spin_unlock(&dq_data_lock); mark_all_dquot_dirty(inode->i_dquot); - up_read(&sb_dqopt(inode->i_sb)->dqptr_sem); + srcu_read_unlock(&dquot_srcu, index); return 0; } EXPORT_SYMBOL(dquot_claim_space_nodirty); @@ -1725,14 +1714,14 @@ EXPORT_SYMBOL(dquot_claim_space_nodirty); */ void dquot_reclaim_space_nodirty(struct inode *inode, qsize_t number) { - int cnt; + int cnt, index; if (!dquot_active(inode)) { inode_reclaim_rsv_space(inode, number); return; } - down_read(&sb_dqopt(inode->i_sb)->dqptr_sem); + index = srcu_read_lock(&dquot_srcu); spin_lock(&dq_data_lock); /* Claim reserved quotas to allocated quotas */ for (cnt = 0; cnt < MAXQUOTAS; cnt++) { @@ -1744,7 +1733,7 @@ void dquot_reclaim_space_nodirty(struct inode *inode, qsize_t number) inode_reclaim_rsv_space(inode, number); spin_unlock(&dq_data_lock); mark_all_dquot_dirty(inode->i_dquot); - up_read(&sb_dqopt(inode->i_sb)->dqptr_sem); + srcu_read_unlock(&dquot_srcu, index); return; } EXPORT_SYMBOL(dquot_reclaim_space_nodirty); @@ -1757,16 +1746,14 @@ void __dquot_free_space(struct inode *inode, qsize_t number, int flags) unsigned int cnt; struct dquot_warn warn[MAXQUOTAS]; struct dquot **dquots = inode->i_dquot; - int reserve = flags & DQUOT_SPACE_RESERVE; + int reserve = flags & DQUOT_SPACE_RESERVE, index; - /* First test before acquiring mutex - solves deadlocks when we - * re-enter the quota code and are already holding the mutex */ if (!dquot_active(inode)) { inode_decr_space(inode, number, reserve); return; } - down_read(&sb_dqopt(inode->i_sb)->dqptr_sem); + index = srcu_read_lock(&dquot_srcu); spin_lock(&dq_data_lock); for (cnt = 0; cnt < MAXQUOTAS; cnt++) { int wtype; @@ -1789,7 +1776,7 @@ void __dquot_free_space(struct inode *inode, qsize_t number, int flags) goto out_unlock; mark_all_dquot_dirty(dquots); out_unlock: - up_read(&sb_dqopt(inode->i_sb)->dqptr_sem); + srcu_read_unlock(&dquot_srcu, index); flush_warnings(warn); } EXPORT_SYMBOL(__dquot_free_space); @@ -1802,13 +1789,12 @@ void dquot_free_inode(const struct inode *inode) unsigned int cnt; struct dquot_warn warn[MAXQUOTAS]; struct dquot * const *dquots = inode->i_dquot; + int index; - /* First test before acquiring mutex - solves deadlocks when we - * re-enter the quota code and are already holding the mutex */ if (!dquot_active(inode)) return; - down_read(&sb_dqopt(inode->i_sb)->dqptr_sem); + index = srcu_read_lock(&dquot_srcu); spin_lock(&dq_data_lock); for (cnt = 0; cnt < MAXQUOTAS; cnt++) { int wtype; @@ -1823,7 +1809,7 @@ void dquot_free_inode(const struct inode *inode) } spin_unlock(&dq_data_lock); mark_all_dquot_dirty(dquots); - up_read(&sb_dqopt(inode->i_sb)->dqptr_sem); + srcu_read_unlock(&dquot_srcu, index); flush_warnings(warn); } EXPORT_SYMBOL(dquot_free_inode); @@ -1837,6 +1823,8 @@ EXPORT_SYMBOL(dquot_free_inode); * This operation can block, but only after everything is updated * A transaction must be started when entering this function. * + * We are holding reference on transfer_from & transfer_to, no need to + * protect them by srcu_read_lock(). */ int __dquot_transfer(struct inode *inode, struct dquot **transfer_to) { @@ -1849,8 +1837,6 @@ int __dquot_transfer(struct inode *inode, struct dquot **transfer_to) struct dquot_warn warn_from_inodes[MAXQUOTAS]; struct dquot_warn warn_from_space[MAXQUOTAS]; - /* First test before acquiring mutex - solves deadlocks when we - * re-enter the quota code and are already holding the mutex */ if (IS_NOQUOTA(inode)) return 0; /* Initialize the arrays */ @@ -1859,12 +1845,12 @@ int __dquot_transfer(struct inode *inode, struct dquot **transfer_to) warn_from_inodes[cnt].w_type = QUOTA_NL_NOWARN; warn_from_space[cnt].w_type = QUOTA_NL_NOWARN; } - down_write(&sb_dqopt(inode->i_sb)->dqptr_sem); + + spin_lock(&dq_data_lock); if (IS_NOQUOTA(inode)) { /* File without quota accounting? */ - up_write(&sb_dqopt(inode->i_sb)->dqptr_sem); + spin_unlock(&dq_data_lock); return 0; } - spin_lock(&dq_data_lock); cur_space = inode_get_bytes(inode); rsv_space = inode_get_rsv_space(inode); space = cur_space + rsv_space; @@ -1918,7 +1904,6 @@ int __dquot_transfer(struct inode *inode, struct dquot **transfer_to) inode->i_dquot[cnt] = transfer_to[cnt]; } spin_unlock(&dq_data_lock); - up_write(&sb_dqopt(inode->i_sb)->dqptr_sem); mark_all_dquot_dirty(transfer_from); mark_all_dquot_dirty(transfer_to); @@ -1932,7 +1917,6 @@ int __dquot_transfer(struct inode *inode, struct dquot **transfer_to) return 0; over_quota: spin_unlock(&dq_data_lock); - up_write(&sb_dqopt(inode->i_sb)->dqptr_sem); flush_warnings(warn_to); return ret; } diff --git a/fs/quota/kqid.c b/fs/quota/kqid.c index 2f97b0e2c501..ebc5e6285800 100644 --- a/fs/quota/kqid.c +++ b/fs/quota/kqid.c @@ -55,7 +55,7 @@ EXPORT_SYMBOL(qid_lt); /** * from_kqid - Create a qid from a kqid user-namespace pair. * @targ: The user namespace we want a qid in. - * @kuid: The kernel internal quota identifier to start with. + * @kqid: The kernel internal quota identifier to start with. * * Map @kqid into the user-namespace specified by @targ and * return the resulting qid. diff --git a/fs/quota/netlink.c b/fs/quota/netlink.c index 72d29177998e..bb2869f5dfd8 100644 --- a/fs/quota/netlink.c +++ b/fs/quota/netlink.c @@ -32,8 +32,7 @@ static struct genl_family quota_genl_family = { /** * quota_send_warning - Send warning to userspace about exceeded quota - * @type: The quota type: USRQQUOTA, GRPQUOTA,... - * @id: The user or group id of the quota that was exceeded + * @qid: The kernel internal quota identifier. * @dev: The device on which the fs is mounted (sb->s_dev) * @warntype: The type of the warning: QUOTA_NL_... * diff --git a/fs/quota/quota.c b/fs/quota/quota.c index ff3f0b3cfdb3..75621649dbd7 100644 --- a/fs/quota/quota.c +++ b/fs/quota/quota.c @@ -79,13 +79,13 @@ static int quota_getfmt(struct super_block *sb, int type, void __user *addr) { __u32 fmt; - down_read(&sb_dqopt(sb)->dqptr_sem); + mutex_lock(&sb_dqopt(sb)->dqonoff_mutex); if (!sb_has_quota_active(sb, type)) { - up_read(&sb_dqopt(sb)->dqptr_sem); + mutex_unlock(&sb_dqopt(sb)->dqonoff_mutex); return -ESRCH; } fmt = sb_dqopt(sb)->info[type].dqi_format->qf_fmt_id; - up_read(&sb_dqopt(sb)->dqptr_sem); + mutex_unlock(&sb_dqopt(sb)->dqonoff_mutex); if (copy_to_user(addr, &fmt, sizeof(fmt))) return -EFAULT; return 0; diff --git a/fs/reiserfs/do_balan.c b/fs/reiserfs/do_balan.c index 5739cb99de7b..9c02d96d3a42 100644 --- a/fs/reiserfs/do_balan.c +++ b/fs/reiserfs/do_balan.c @@ -286,12 +286,14 @@ static int balance_leaf_when_delete(struct tree_balance *tb, int flag) return 0; } -static void balance_leaf_insert_left(struct tree_balance *tb, - struct item_head *ih, const char *body) +static unsigned int balance_leaf_insert_left(struct tree_balance *tb, + struct item_head *const ih, + const char * const body) { int ret; struct buffer_info bi; int n = B_NR_ITEMS(tb->L[0]); + unsigned body_shift_bytes = 0; if (tb->item_pos == tb->lnum[0] - 1 && tb->lbytes != -1) { /* part of new item falls into L[0] */ @@ -329,7 +331,7 @@ static void balance_leaf_insert_left(struct tree_balance *tb, put_ih_item_len(ih, new_item_len); if (tb->lbytes > tb->zeroes_num) { - body += (tb->lbytes - tb->zeroes_num); + body_shift_bytes = tb->lbytes - tb->zeroes_num; tb->zeroes_num = 0; } else tb->zeroes_num -= tb->lbytes; @@ -349,11 +351,12 @@ static void balance_leaf_insert_left(struct tree_balance *tb, tb->insert_size[0] = 0; tb->zeroes_num = 0; } + return body_shift_bytes; } static void balance_leaf_paste_left_shift_dirent(struct tree_balance *tb, - struct item_head *ih, - const char *body) + struct item_head * const ih, + const char * const body) { int n = B_NR_ITEMS(tb->L[0]); struct buffer_info bi; @@ -413,17 +416,18 @@ static void balance_leaf_paste_left_shift_dirent(struct tree_balance *tb, tb->pos_in_item -= tb->lbytes; } -static void balance_leaf_paste_left_shift(struct tree_balance *tb, - struct item_head *ih, - const char *body) +static unsigned int balance_leaf_paste_left_shift(struct tree_balance *tb, + struct item_head * const ih, + const char * const body) { struct buffer_head *tbS0 = PATH_PLAST_BUFFER(tb->tb_path); int n = B_NR_ITEMS(tb->L[0]); struct buffer_info bi; + int body_shift_bytes = 0; if (is_direntry_le_ih(item_head(tbS0, tb->item_pos))) { balance_leaf_paste_left_shift_dirent(tb, ih, body); - return; + return 0; } RFALSE(tb->lbytes <= 0, @@ -497,7 +501,7 @@ static void balance_leaf_paste_left_shift(struct tree_balance *tb, * insert_size[0] */ if (l_n > tb->zeroes_num) { - body += (l_n - tb->zeroes_num); + body_shift_bytes = l_n - tb->zeroes_num; tb->zeroes_num = 0; } else tb->zeroes_num -= l_n; @@ -526,13 +530,14 @@ static void balance_leaf_paste_left_shift(struct tree_balance *tb, */ leaf_shift_left(tb, tb->lnum[0], tb->lbytes); } + return body_shift_bytes; } /* appended item will be in L[0] in whole */ static void balance_leaf_paste_left_whole(struct tree_balance *tb, - struct item_head *ih, - const char *body) + struct item_head * const ih, + const char * const body) { struct buffer_head *tbS0 = PATH_PLAST_BUFFER(tb->tb_path); int n = B_NR_ITEMS(tb->L[0]); @@ -584,39 +589,44 @@ static void balance_leaf_paste_left_whole(struct tree_balance *tb, tb->zeroes_num = 0; } -static void balance_leaf_paste_left(struct tree_balance *tb, - struct item_head *ih, const char *body) +static unsigned int balance_leaf_paste_left(struct tree_balance *tb, + struct item_head * const ih, + const char * const body) { /* we must shift the part of the appended item */ if (tb->item_pos == tb->lnum[0] - 1 && tb->lbytes != -1) - balance_leaf_paste_left_shift(tb, ih, body); + return balance_leaf_paste_left_shift(tb, ih, body); else balance_leaf_paste_left_whole(tb, ih, body); + return 0; } /* Shift lnum[0] items from S[0] to the left neighbor L[0] */ -static void balance_leaf_left(struct tree_balance *tb, struct item_head *ih, - const char *body, int flag) +static unsigned int balance_leaf_left(struct tree_balance *tb, + struct item_head * const ih, + const char * const body, int flag) { if (tb->lnum[0] <= 0) - return; + return 0; /* new item or it part falls to L[0], shift it too */ if (tb->item_pos < tb->lnum[0]) { BUG_ON(flag != M_INSERT && flag != M_PASTE); if (flag == M_INSERT) - balance_leaf_insert_left(tb, ih, body); + return balance_leaf_insert_left(tb, ih, body); else /* M_PASTE */ - balance_leaf_paste_left(tb, ih, body); + return balance_leaf_paste_left(tb, ih, body); } else /* new item doesn't fall into L[0] */ leaf_shift_left(tb, tb->lnum[0], tb->lbytes); + return 0; } static void balance_leaf_insert_right(struct tree_balance *tb, - struct item_head *ih, const char *body) + struct item_head * const ih, + const char * const body) { struct buffer_head *tbS0 = PATH_PLAST_BUFFER(tb->tb_path); @@ -704,7 +714,8 @@ static void balance_leaf_insert_right(struct tree_balance *tb, static void balance_leaf_paste_right_shift_dirent(struct tree_balance *tb, - struct item_head *ih, const char *body) + struct item_head * const ih, + const char * const body) { struct buffer_head *tbS0 = PATH_PLAST_BUFFER(tb->tb_path); struct buffer_info bi; @@ -754,7 +765,8 @@ static void balance_leaf_paste_right_shift_dirent(struct tree_balance *tb, } static void balance_leaf_paste_right_shift(struct tree_balance *tb, - struct item_head *ih, const char *body) + struct item_head * const ih, + const char * const body) { struct buffer_head *tbS0 = PATH_PLAST_BUFFER(tb->tb_path); int n_shift, n_rem, r_zeroes_number, version; @@ -831,7 +843,8 @@ static void balance_leaf_paste_right_shift(struct tree_balance *tb, } static void balance_leaf_paste_right_whole(struct tree_balance *tb, - struct item_head *ih, const char *body) + struct item_head * const ih, + const char * const body) { struct buffer_head *tbS0 = PATH_PLAST_BUFFER(tb->tb_path); int n = B_NR_ITEMS(tbS0); @@ -874,7 +887,8 @@ static void balance_leaf_paste_right_whole(struct tree_balance *tb, } static void balance_leaf_paste_right(struct tree_balance *tb, - struct item_head *ih, const char *body) + struct item_head * const ih, + const char * const body) { struct buffer_head *tbS0 = PATH_PLAST_BUFFER(tb->tb_path); int n = B_NR_ITEMS(tbS0); @@ -896,8 +910,9 @@ static void balance_leaf_paste_right(struct tree_balance *tb, } /* shift rnum[0] items from S[0] to the right neighbor R[0] */ -static void balance_leaf_right(struct tree_balance *tb, struct item_head *ih, - const char *body, int flag) +static void balance_leaf_right(struct tree_balance *tb, + struct item_head * const ih, + const char * const body, int flag) { if (tb->rnum[0] <= 0) return; @@ -911,8 +926,8 @@ static void balance_leaf_right(struct tree_balance *tb, struct item_head *ih, } static void balance_leaf_new_nodes_insert(struct tree_balance *tb, - struct item_head *ih, - const char *body, + struct item_head * const ih, + const char * const body, struct item_head *insert_key, struct buffer_head **insert_ptr, int i) @@ -1003,8 +1018,8 @@ static void balance_leaf_new_nodes_insert(struct tree_balance *tb, /* we append to directory item */ static void balance_leaf_new_nodes_paste_dirent(struct tree_balance *tb, - struct item_head *ih, - const char *body, + struct item_head * const ih, + const char * const body, struct item_head *insert_key, struct buffer_head **insert_ptr, int i) @@ -1058,8 +1073,8 @@ static void balance_leaf_new_nodes_paste_dirent(struct tree_balance *tb, } static void balance_leaf_new_nodes_paste_shift(struct tree_balance *tb, - struct item_head *ih, - const char *body, + struct item_head * const ih, + const char * const body, struct item_head *insert_key, struct buffer_head **insert_ptr, int i) @@ -1131,8 +1146,8 @@ static void balance_leaf_new_nodes_paste_shift(struct tree_balance *tb, } static void balance_leaf_new_nodes_paste_whole(struct tree_balance *tb, - struct item_head *ih, - const char *body, + struct item_head * const ih, + const char * const body, struct item_head *insert_key, struct buffer_head **insert_ptr, int i) @@ -1184,8 +1199,8 @@ static void balance_leaf_new_nodes_paste_whole(struct tree_balance *tb, } static void balance_leaf_new_nodes_paste(struct tree_balance *tb, - struct item_head *ih, - const char *body, + struct item_head * const ih, + const char * const body, struct item_head *insert_key, struct buffer_head **insert_ptr, int i) @@ -1214,8 +1229,8 @@ static void balance_leaf_new_nodes_paste(struct tree_balance *tb, /* Fill new nodes that appear in place of S[0] */ static void balance_leaf_new_nodes(struct tree_balance *tb, - struct item_head *ih, - const char *body, + struct item_head * const ih, + const char * const body, struct item_head *insert_key, struct buffer_head **insert_ptr, int flag) @@ -1254,8 +1269,8 @@ static void balance_leaf_new_nodes(struct tree_balance *tb, } static void balance_leaf_finish_node_insert(struct tree_balance *tb, - struct item_head *ih, - const char *body) + struct item_head * const ih, + const char * const body) { struct buffer_head *tbS0 = PATH_PLAST_BUFFER(tb->tb_path); struct buffer_info bi; @@ -1271,8 +1286,8 @@ static void balance_leaf_finish_node_insert(struct tree_balance *tb, } static void balance_leaf_finish_node_paste_dirent(struct tree_balance *tb, - struct item_head *ih, - const char *body) + struct item_head * const ih, + const char * const body) { struct buffer_head *tbS0 = PATH_PLAST_BUFFER(tb->tb_path); struct item_head *pasted = item_head(tbS0, tb->item_pos); @@ -1305,8 +1320,8 @@ static void balance_leaf_finish_node_paste_dirent(struct tree_balance *tb, } static void balance_leaf_finish_node_paste(struct tree_balance *tb, - struct item_head *ih, - const char *body) + struct item_head * const ih, + const char * const body) { struct buffer_head *tbS0 = PATH_PLAST_BUFFER(tb->tb_path); struct buffer_info bi; @@ -1349,8 +1364,8 @@ static void balance_leaf_finish_node_paste(struct tree_balance *tb, * of the affected item which remains in S */ static void balance_leaf_finish_node(struct tree_balance *tb, - struct item_head *ih, - const char *body, int flag) + struct item_head * const ih, + const char * const body, int flag) { /* if we must insert or append into buffer S[0] */ if (0 <= tb->item_pos && tb->item_pos < tb->s0num) { @@ -1402,7 +1417,7 @@ static int balance_leaf(struct tree_balance *tb, struct item_head *ih, && is_indirect_le_ih(item_head(tbS0, tb->item_pos))) tb->pos_in_item *= UNFM_P_SIZE; - balance_leaf_left(tb, ih, body, flag); + body += balance_leaf_left(tb, ih, body, flag); /* tb->lnum[0] > 0 */ /* Calculate new item position */ diff --git a/fs/reiserfs/journal.c b/fs/reiserfs/journal.c index e8870de4627e..a88b1b3e7db3 100644 --- a/fs/reiserfs/journal.c +++ b/fs/reiserfs/journal.c @@ -1947,8 +1947,6 @@ static int do_journal_release(struct reiserfs_transaction_handle *th, } } - /* wait for all commits to finish */ - cancel_delayed_work(&SB_JOURNAL(sb)->j_work); /* * We must release the write lock here because @@ -1956,8 +1954,14 @@ static int do_journal_release(struct reiserfs_transaction_handle *th, */ reiserfs_write_unlock(sb); + /* + * Cancel flushing of old commits. Note that neither of these works + * will be requeued because superblock is being shutdown and doesn't + * have MS_ACTIVE set. + */ cancel_delayed_work_sync(&REISERFS_SB(sb)->old_work); - flush_workqueue(REISERFS_SB(sb)->commit_wq); + /* wait for all commits to finish */ + cancel_delayed_work_sync(&SB_JOURNAL(sb)->j_work); free_journal_ram(sb); @@ -4292,9 +4296,15 @@ static int do_journal_end(struct reiserfs_transaction_handle *th, int flags) if (flush) { flush_commit_list(sb, jl, 1); flush_journal_list(sb, jl, 1); - } else if (!(jl->j_state & LIST_COMMIT_PENDING)) - queue_delayed_work(REISERFS_SB(sb)->commit_wq, - &journal->j_work, HZ / 10); + } else if (!(jl->j_state & LIST_COMMIT_PENDING)) { + /* + * Avoid queueing work when sb is being shut down. Transaction + * will be flushed on journal shutdown. + */ + if (sb->s_flags & MS_ACTIVE) + queue_delayed_work(REISERFS_SB(sb)->commit_wq, + &journal->j_work, HZ / 10); + } /* * if the next transaction has any chance of wrapping, flush diff --git a/fs/reiserfs/lbalance.c b/fs/reiserfs/lbalance.c index 814dda3ec998..249594a821e0 100644 --- a/fs/reiserfs/lbalance.c +++ b/fs/reiserfs/lbalance.c @@ -899,8 +899,9 @@ void leaf_delete_items(struct buffer_info *cur_bi, int last_first, /* insert item into the leaf node in position before */ void leaf_insert_into_buf(struct buffer_info *bi, int before, - struct item_head *inserted_item_ih, - const char *inserted_item_body, int zeros_number) + struct item_head * const inserted_item_ih, + const char * const inserted_item_body, + int zeros_number) { struct buffer_head *bh = bi->bi_bh; int nr, free_space; diff --git a/fs/reiserfs/reiserfs.h b/fs/reiserfs/reiserfs.h index bf53888c7f59..735c2c2b4536 100644 --- a/fs/reiserfs/reiserfs.h +++ b/fs/reiserfs/reiserfs.h @@ -3216,11 +3216,12 @@ int leaf_shift_right(struct tree_balance *tb, int shift_num, int shift_bytes); void leaf_delete_items(struct buffer_info *cur_bi, int last_first, int first, int del_num, int del_bytes); void leaf_insert_into_buf(struct buffer_info *bi, int before, - struct item_head *inserted_item_ih, - const char *inserted_item_body, int zeros_number); -void leaf_paste_in_buffer(struct buffer_info *bi, int pasted_item_num, - int pos_in_item, int paste_size, const char *body, + struct item_head * const inserted_item_ih, + const char * const inserted_item_body, int zeros_number); +void leaf_paste_in_buffer(struct buffer_info *bi, int pasted_item_num, + int pos_in_item, int paste_size, + const char * const body, int zeros_number); void leaf_cut_from_buffer(struct buffer_info *bi, int cut_item_num, int pos_in_item, int cut_size); void leaf_paste_entries(struct buffer_info *bi, int item_num, int before, diff --git a/fs/reiserfs/super.c b/fs/reiserfs/super.c index 709ea92d716f..d46e88a33b02 100644 --- a/fs/reiserfs/super.c +++ b/fs/reiserfs/super.c @@ -100,7 +100,11 @@ void reiserfs_schedule_old_flush(struct super_block *s) struct reiserfs_sb_info *sbi = REISERFS_SB(s); unsigned long delay; - if (s->s_flags & MS_RDONLY) + /* + * Avoid scheduling flush when sb is being shut down. It can race + * with journal shutdown and free still queued delayed work. + */ + if (s->s_flags & MS_RDONLY || !(s->s_flags & MS_ACTIVE)) return; spin_lock(&sbi->old_work_lock); diff --git a/fs/super.c b/fs/super.c index d20d5b11dedf..b9a214d2fe98 100644 --- a/fs/super.c +++ b/fs/super.c @@ -22,7 +22,6 @@ #include <linux/export.h> #include <linux/slab.h> -#include <linux/acct.h> #include <linux/blkdev.h> #include <linux/mount.h> #include <linux/security.h> @@ -218,7 +217,6 @@ static struct super_block *alloc_super(struct file_system_type *type, int flags) lockdep_set_class(&s->s_vfs_rename_mutex, &type->s_vfs_rename_key); mutex_init(&s->s_dquot.dqio_mutex); mutex_init(&s->s_dquot.dqonoff_mutex); - init_rwsem(&s->s_dquot.dqptr_sem); s->s_maxbytes = MAX_NON_LFS; s->s_op = &default_op; s->s_time_gran = 1000000000; @@ -702,12 +700,22 @@ int do_remount_sb(struct super_block *sb, int flags, void *data, int force) return -EACCES; #endif - if (flags & MS_RDONLY) - acct_auto_close(sb); - shrink_dcache_sb(sb); - remount_ro = (flags & MS_RDONLY) && !(sb->s_flags & MS_RDONLY); + if (remount_ro) { + if (sb->s_pins.first) { + up_write(&sb->s_umount); + sb_pin_kill(sb); + down_write(&sb->s_umount); + if (!sb->s_root) + return 0; + if (sb->s_writers.frozen != SB_UNFROZEN) + return -EBUSY; + remount_ro = (flags & MS_RDONLY) && !(sb->s_flags & MS_RDONLY); + } + } + shrink_dcache_sb(sb); + /* If we are remounting RDONLY and current sb is read/write, make sure there are no rw files opened */ if (remount_ro) { diff --git a/fs/ubifs/commit.c b/fs/ubifs/commit.c index ff8229340cd5..aa13ad053b14 100644 --- a/fs/ubifs/commit.c +++ b/fs/ubifs/commit.c @@ -174,7 +174,6 @@ static int do_commit(struct ubifs_info *c) if (err) goto out; - mutex_lock(&c->mst_mutex); c->mst_node->cmt_no = cpu_to_le64(c->cmt_no); c->mst_node->log_lnum = cpu_to_le32(new_ltail_lnum); c->mst_node->root_lnum = cpu_to_le32(zroot.lnum); @@ -204,7 +203,6 @@ static int do_commit(struct ubifs_info *c) else c->mst_node->flags &= ~cpu_to_le32(UBIFS_MST_NO_ORPHS); err = ubifs_write_master(c); - mutex_unlock(&c->mst_mutex); if (err) goto out; diff --git a/fs/ubifs/io.c b/fs/ubifs/io.c index 2290d5866725..fb08b0c514b6 100644 --- a/fs/ubifs/io.c +++ b/fs/ubifs/io.c @@ -431,7 +431,7 @@ void ubifs_prep_grp_node(struct ubifs_info *c, void *node, int len, int last) /** * wbuf_timer_callback - write-buffer timer callback function. - * @data: timer data (write-buffer descriptor) + * @timer: timer data (write-buffer descriptor) * * This function is called when the write-buffer timer expires. */ diff --git a/fs/ubifs/log.c b/fs/ubifs/log.c index a902c5919e42..a47ddfc9be6b 100644 --- a/fs/ubifs/log.c +++ b/fs/ubifs/log.c @@ -240,6 +240,7 @@ int ubifs_add_bud_to_log(struct ubifs_info *c, int jhead, int lnum, int offs) if (c->lhead_offs > c->leb_size - c->ref_node_alsz) { c->lhead_lnum = ubifs_next_log_lnum(c, c->lhead_lnum); + ubifs_assert(c->lhead_lnum != c->ltail_lnum); c->lhead_offs = 0; } @@ -404,15 +405,14 @@ int ubifs_log_start_commit(struct ubifs_info *c, int *ltail_lnum) /* Switch to the next log LEB */ if (c->lhead_offs) { c->lhead_lnum = ubifs_next_log_lnum(c, c->lhead_lnum); + ubifs_assert(c->lhead_lnum != c->ltail_lnum); c->lhead_offs = 0; } - if (c->lhead_offs == 0) { - /* Must ensure next LEB has been unmapped */ - err = ubifs_leb_unmap(c, c->lhead_lnum); - if (err) - goto out; - } + /* Must ensure next LEB has been unmapped */ + err = ubifs_leb_unmap(c, c->lhead_lnum); + if (err) + goto out; len = ALIGN(len, c->min_io_size); dbg_log("writing commit start at LEB %d:0, len %d", c->lhead_lnum, len); diff --git a/fs/ubifs/lpt.c b/fs/ubifs/lpt.c index d46b19ec1815..421bd0a80424 100644 --- a/fs/ubifs/lpt.c +++ b/fs/ubifs/lpt.c @@ -1464,7 +1464,6 @@ struct ubifs_lprops *ubifs_lpt_lookup(struct ubifs_info *c, int lnum) return ERR_CAST(nnode); } iip = ((i >> shft) & (UBIFS_LPT_FANOUT - 1)); - shft -= UBIFS_LPT_FANOUT_SHIFT; pnode = ubifs_get_pnode(c, nnode, iip); if (IS_ERR(pnode)) return ERR_CAST(pnode); @@ -1604,7 +1603,6 @@ struct ubifs_lprops *ubifs_lpt_lookup_dirty(struct ubifs_info *c, int lnum) return ERR_CAST(nnode); } iip = ((i >> shft) & (UBIFS_LPT_FANOUT - 1)); - shft -= UBIFS_LPT_FANOUT_SHIFT; pnode = ubifs_get_pnode(c, nnode, iip); if (IS_ERR(pnode)) return ERR_CAST(pnode); @@ -1964,7 +1962,6 @@ again: } } iip = ((i >> shft) & (UBIFS_LPT_FANOUT - 1)); - shft -= UBIFS_LPT_FANOUT_SHIFT; pnode = scan_get_pnode(c, path + h, nnode, iip); if (IS_ERR(pnode)) { err = PTR_ERR(pnode); @@ -2198,6 +2195,7 @@ static int dbg_chk_pnode(struct ubifs_info *c, struct ubifs_pnode *pnode, lprops->dirty); return -EINVAL; } + break; case LPROPS_FREEABLE: case LPROPS_FRDI_IDX: if (lprops->free + lprops->dirty != c->leb_size) { @@ -2206,6 +2204,7 @@ static int dbg_chk_pnode(struct ubifs_info *c, struct ubifs_pnode *pnode, lprops->dirty); return -EINVAL; } + break; } } return 0; diff --git a/fs/ubifs/lpt_commit.c b/fs/ubifs/lpt_commit.c index 45d4e96a6bac..d9c02928e992 100644 --- a/fs/ubifs/lpt_commit.c +++ b/fs/ubifs/lpt_commit.c @@ -304,7 +304,6 @@ static int layout_cnodes(struct ubifs_info *c) ubifs_assert(lnum >= c->lpt_first && lnum <= c->lpt_last); } - done_ltab = 1; c->ltab_lnum = lnum; c->ltab_offs = offs; offs += c->ltab_sz; @@ -514,7 +513,6 @@ static int write_cnodes(struct ubifs_info *c) if (err) return err; } - done_ltab = 1; ubifs_pack_ltab(c, buf + offs, c->ltab_cmt); offs += c->ltab_sz; dbg_chk_lpt_sz(c, 1, c->ltab_sz); @@ -1941,6 +1939,11 @@ static void dump_lpt_leb(const struct ubifs_info *c, int lnum) pr_err("LEB %d:%d, nnode, ", lnum, offs); err = ubifs_unpack_nnode(c, p, &nnode); + if (err) { + pr_err("failed to unpack_node, error %d\n", + err); + break; + } for (i = 0; i < UBIFS_LPT_FANOUT; i++) { pr_cont("%d:%d", nnode.nbranch[i].lnum, nnode.nbranch[i].offs); diff --git a/fs/ubifs/master.c b/fs/ubifs/master.c index ab83ace9910a..1a4bb9e8b3b8 100644 --- a/fs/ubifs/master.c +++ b/fs/ubifs/master.c @@ -352,10 +352,9 @@ int ubifs_read_master(struct ubifs_info *c) * ubifs_write_master - write master node. * @c: UBIFS file-system description object * - * This function writes the master node. The caller has to take the - * @c->mst_mutex lock before calling this function. Returns zero in case of - * success and a negative error code in case of failure. The master node is - * written twice to enable recovery. + * This function writes the master node. Returns zero in case of success and a + * negative error code in case of failure. The master node is written twice to + * enable recovery. */ int ubifs_write_master(struct ubifs_info *c) { diff --git a/fs/ubifs/orphan.c b/fs/ubifs/orphan.c index f1c3e5a1b315..4409f486ecef 100644 --- a/fs/ubifs/orphan.c +++ b/fs/ubifs/orphan.c @@ -346,7 +346,6 @@ static int write_orph_nodes(struct ubifs_info *c, int atomic) int lnum; /* Unmap any unused LEBs after consolidation */ - lnum = c->ohead_lnum + 1; for (lnum = c->ohead_lnum + 1; lnum <= c->orph_last; lnum++) { err = ubifs_leb_unmap(c, lnum); if (err) diff --git a/fs/ubifs/recovery.c b/fs/ubifs/recovery.c index c14adb2f420c..c640938f62f0 100644 --- a/fs/ubifs/recovery.c +++ b/fs/ubifs/recovery.c @@ -596,7 +596,6 @@ static void drop_last_group(struct ubifs_scan_leb *sleb, int *offs) * drop_last_node - drop the last node. * @sleb: scanned LEB information * @offs: offset of dropped nodes is returned here - * @grouped: non-zero if whole group of nodes have to be dropped * * This is a helper function for 'ubifs_recover_leb()' which drops the last * node of the scanned LEB. @@ -629,8 +628,8 @@ static void drop_last_node(struct ubifs_scan_leb *sleb, int *offs) * * This function does a scan of a LEB, but caters for errors that might have * been caused by the unclean unmount from which we are attempting to recover. - * Returns %0 in case of success, %-EUCLEAN if an unrecoverable corruption is - * found, and a negative error code in case of failure. + * Returns the scanned information on success and a negative error code on + * failure. */ struct ubifs_scan_leb *ubifs_recover_leb(struct ubifs_info *c, int lnum, int offs, void *sbuf, int jhead) diff --git a/fs/ubifs/sb.c b/fs/ubifs/sb.c index 4c37607a958e..79c6dbbc0e04 100644 --- a/fs/ubifs/sb.c +++ b/fs/ubifs/sb.c @@ -332,6 +332,8 @@ static int create_default_filesystem(struct ubifs_info *c) cs->ch.node_type = UBIFS_CS_NODE; err = ubifs_write_node(c, cs, UBIFS_CS_NODE_SZ, UBIFS_LOG_LNUM, 0); kfree(cs); + if (err) + return err; ubifs_msg("default file-system created"); return 0; @@ -447,7 +449,7 @@ static int validate_sb(struct ubifs_info *c, struct ubifs_sb_node *sup) goto failed; } - if (c->default_compr < 0 || c->default_compr >= UBIFS_COMPR_TYPES_CNT) { + if (c->default_compr >= UBIFS_COMPR_TYPES_CNT) { err = 13; goto failed; } diff --git a/fs/ubifs/scan.c b/fs/ubifs/scan.c index 58aa05df2bb6..89adbc4d08ac 100644 --- a/fs/ubifs/scan.c +++ b/fs/ubifs/scan.c @@ -131,7 +131,8 @@ int ubifs_scan_a_node(const struct ubifs_info *c, void *buf, int len, int lnum, * @offs: offset to start at (usually zero) * @sbuf: scan buffer (must be c->leb_size) * - * This function returns %0 on success and a negative error code on failure. + * This function returns the scanned information on success and a negative error + * code on failure. */ struct ubifs_scan_leb *ubifs_start_scan(const struct ubifs_info *c, int lnum, int offs, void *sbuf) @@ -157,9 +158,10 @@ struct ubifs_scan_leb *ubifs_start_scan(const struct ubifs_info *c, int lnum, return ERR_PTR(err); } - if (err == -EBADMSG) - sleb->ecc = 1; - + /* + * Note, we ignore integrity errors (EBASMSG) because all the nodes are + * protected by CRC checksums. + */ return sleb; } @@ -169,8 +171,6 @@ struct ubifs_scan_leb *ubifs_start_scan(const struct ubifs_info *c, int lnum, * @sleb: scanning information * @lnum: logical eraseblock number * @offs: offset to start at (usually zero) - * - * This function returns %0 on success and a negative error code on failure. */ void ubifs_end_scan(const struct ubifs_info *c, struct ubifs_scan_leb *sleb, int lnum, int offs) @@ -257,7 +257,7 @@ void ubifs_scanned_corruption(const struct ubifs_info *c, int lnum, int offs, * @quiet: print no messages * * This function scans LEB number @lnum and returns complete information about - * its contents. Returns the scaned information in case of success and, + * its contents. Returns the scanned information in case of success and, * %-EUCLEAN if the LEB neads recovery, and other negative error codes in case * of failure. * diff --git a/fs/ubifs/super.c b/fs/ubifs/super.c index 3904c8574ef9..106bf20629ce 100644 --- a/fs/ubifs/super.c +++ b/fs/ubifs/super.c @@ -75,7 +75,7 @@ static int validate_inode(struct ubifs_info *c, const struct inode *inode) return 1; } - if (ui->compr_type < 0 || ui->compr_type >= UBIFS_COMPR_TYPES_CNT) { + if (ui->compr_type >= UBIFS_COMPR_TYPES_CNT) { ubifs_err("unknown compression type %d", ui->compr_type); return 2; } @@ -424,19 +424,19 @@ static int ubifs_show_options(struct seq_file *s, struct dentry *root) struct ubifs_info *c = root->d_sb->s_fs_info; if (c->mount_opts.unmount_mode == 2) - seq_printf(s, ",fast_unmount"); + seq_puts(s, ",fast_unmount"); else if (c->mount_opts.unmount_mode == 1) - seq_printf(s, ",norm_unmount"); + seq_puts(s, ",norm_unmount"); if (c->mount_opts.bulk_read == 2) - seq_printf(s, ",bulk_read"); + seq_puts(s, ",bulk_read"); else if (c->mount_opts.bulk_read == 1) - seq_printf(s, ",no_bulk_read"); + seq_puts(s, ",no_bulk_read"); if (c->mount_opts.chk_data_crc == 2) - seq_printf(s, ",chk_data_crc"); + seq_puts(s, ",chk_data_crc"); else if (c->mount_opts.chk_data_crc == 1) - seq_printf(s, ",no_chk_data_crc"); + seq_puts(s, ",no_chk_data_crc"); if (c->mount_opts.override_compr) { seq_printf(s, ",compr=%s", @@ -796,8 +796,8 @@ static int alloc_wbufs(struct ubifs_info *c) { int i, err; - c->jheads = kzalloc(c->jhead_cnt * sizeof(struct ubifs_jhead), - GFP_KERNEL); + c->jheads = kcalloc(c->jhead_cnt, sizeof(struct ubifs_jhead), + GFP_KERNEL); if (!c->jheads) return -ENOMEM; @@ -1963,7 +1963,6 @@ static struct ubifs_info *alloc_ubifs_info(struct ubi_volume_desc *ubi) mutex_init(&c->lp_mutex); mutex_init(&c->tnc_mutex); mutex_init(&c->log_mutex); - mutex_init(&c->mst_mutex); mutex_init(&c->umount_mutex); mutex_init(&c->bu_mutex); mutex_init(&c->write_reserve_mutex); diff --git a/fs/ubifs/tnc.c b/fs/ubifs/tnc.c index 8a40cf9c02d7..6793db0754f6 100644 --- a/fs/ubifs/tnc.c +++ b/fs/ubifs/tnc.c @@ -3294,7 +3294,6 @@ int dbg_check_inode_size(struct ubifs_info *c, const struct inode *inode, goto out_unlock; if (err) { - err = -EINVAL; key = &from_key; goto out_dump; } diff --git a/fs/ubifs/tnc_commit.c b/fs/ubifs/tnc_commit.c index 3600994f8411..7a205e046776 100644 --- a/fs/ubifs/tnc_commit.c +++ b/fs/ubifs/tnc_commit.c @@ -389,7 +389,6 @@ static int layout_in_gaps(struct ubifs_info *c, int cnt) ubifs_dump_lprops(c); } /* Try to commit anyway */ - err = 0; break; } p++; diff --git a/fs/ubifs/ubifs.h b/fs/ubifs/ubifs.h index c1f71fe17cc0..c4fe900c67ab 100644 --- a/fs/ubifs/ubifs.h +++ b/fs/ubifs/ubifs.h @@ -314,7 +314,6 @@ struct ubifs_scan_node { * @nodes_cnt: number of nodes scanned * @nodes: list of struct ubifs_scan_node * @endpt: end point (and therefore the start of empty space) - * @ecc: read returned -EBADMSG * @buf: buffer containing entire LEB scanned */ struct ubifs_scan_leb { @@ -322,7 +321,6 @@ struct ubifs_scan_leb { int nodes_cnt; struct list_head nodes; int endpt; - int ecc; void *buf; }; @@ -1051,7 +1049,6 @@ struct ubifs_debug_info; * * @mst_node: master node * @mst_offs: offset of valid master node - * @mst_mutex: protects the master node area, @mst_node, and @mst_offs * * @max_bu_buf_len: maximum bulk-read buffer length * @bu_mutex: protects the pre-allocated bulk-read buffer and @c->bu @@ -1292,7 +1289,6 @@ struct ubifs_info { struct ubifs_mst_node *mst_node; int mst_offs; - struct mutex mst_mutex; int max_bu_buf_len; struct mutex bu_mutex; diff --git a/fs/udf/file.c b/fs/udf/file.c index d80738fdf424..86c6743ec1fe 100644 --- a/fs/udf/file.c +++ b/fs/udf/file.c @@ -27,7 +27,7 @@ #include "udfdecl.h" #include <linux/fs.h> -#include <asm/uaccess.h> +#include <linux/uaccess.h> #include <linux/kernel.h> #include <linux/string.h> /* memset */ #include <linux/capability.h> @@ -100,24 +100,6 @@ static int udf_adinicb_write_begin(struct file *file, return 0; } -static int udf_adinicb_write_end(struct file *file, - struct address_space *mapping, - loff_t pos, unsigned len, unsigned copied, - struct page *page, void *fsdata) -{ - struct inode *inode = mapping->host; - unsigned offset = pos & (PAGE_CACHE_SIZE - 1); - char *kaddr; - struct udf_inode_info *iinfo = UDF_I(inode); - - kaddr = kmap_atomic(page); - memcpy(iinfo->i_ext.i_data + iinfo->i_lenEAttr + offset, - kaddr + offset, copied); - kunmap_atomic(kaddr); - - return simple_write_end(file, mapping, pos, len, copied, page, fsdata); -} - static ssize_t udf_adinicb_direct_IO(int rw, struct kiocb *iocb, struct iov_iter *iter, loff_t offset) @@ -130,7 +112,7 @@ const struct address_space_operations udf_adinicb_aops = { .readpage = udf_adinicb_readpage, .writepage = udf_adinicb_writepage, .write_begin = udf_adinicb_write_begin, - .write_end = udf_adinicb_write_end, + .write_end = simple_write_end, .direct_IO = udf_adinicb_direct_IO, }; diff --git a/fs/udf/lowlevel.c b/fs/udf/lowlevel.c index 6583fe9b0645..6ad5a453af97 100644 --- a/fs/udf/lowlevel.c +++ b/fs/udf/lowlevel.c @@ -21,7 +21,7 @@ #include <linux/blkdev.h> #include <linux/cdrom.h> -#include <asm/uaccess.h> +#include <linux/uaccess.h> #include "udf_sb.h" diff --git a/fs/udf/namei.c b/fs/udf/namei.c index 9737cba1357d..83a06001742b 100644 --- a/fs/udf/namei.c +++ b/fs/udf/namei.c @@ -1014,7 +1014,7 @@ static int udf_symlink(struct inode *dir, struct dentry *dentry, fi = udf_add_entry(dir, dentry, &fibh, &cfi, &err); if (!fi) - goto out_no_entry; + goto out_fail; cfi.icb.extLength = cpu_to_le32(sb->s_blocksize); cfi.icb.extLocation = cpu_to_lelb(iinfo->i_location); if (UDF_SB(inode->i_sb)->s_lvid_bh) { @@ -1036,6 +1036,7 @@ out: out_no_entry: up_write(&iinfo->i_data_sem); +out_fail: inode_dec_link_count(inode); iput(inode); goto out; diff --git a/fs/udf/super.c b/fs/udf/super.c index 3286db047a40..813da94d447b 100644 --- a/fs/udf/super.c +++ b/fs/udf/super.c @@ -63,7 +63,7 @@ #include "udf_i.h" #include <linux/init.h> -#include <asm/uaccess.h> +#include <linux/uaccess.h> #define VDS_POS_PRIMARY_VOL_DESC 0 #define VDS_POS_UNALLOC_SPACE_DESC 1 diff --git a/fs/udf/symlink.c b/fs/udf/symlink.c index d7c6dbe4194b..6fb7945c1e6e 100644 --- a/fs/udf/symlink.c +++ b/fs/udf/symlink.c @@ -20,7 +20,7 @@ */ #include "udfdecl.h" -#include <asm/uaccess.h> +#include <linux/uaccess.h> #include <linux/errno.h> #include <linux/fs.h> #include <linux/time.h> diff --git a/fs/udf/unicode.c b/fs/udf/unicode.c index 44b815e57f94..afd470e588ff 100644 --- a/fs/udf/unicode.c +++ b/fs/udf/unicode.c @@ -412,7 +412,6 @@ static int udf_translate_to_linux(uint8_t *newName, uint8_t *udfName, int extIndex = 0, newExtIndex = 0, hasExt = 0; unsigned short valueCRC; uint8_t curr; - const uint8_t hexChar[] = "0123456789ABCDEF"; if (udfName[0] == '.' && (udfLen == 1 || (udfLen == 2 && udfName[1] == '.'))) { @@ -477,10 +476,10 @@ static int udf_translate_to_linux(uint8_t *newName, uint8_t *udfName, newIndex = 250; newName[newIndex++] = CRC_MARK; valueCRC = crc_itu_t(0, fidName, fidNameLen); - newName[newIndex++] = hexChar[(valueCRC & 0xf000) >> 12]; - newName[newIndex++] = hexChar[(valueCRC & 0x0f00) >> 8]; - newName[newIndex++] = hexChar[(valueCRC & 0x00f0) >> 4]; - newName[newIndex++] = hexChar[(valueCRC & 0x000f)]; + newName[newIndex++] = hex_asc_upper_hi(valueCRC >> 8); + newName[newIndex++] = hex_asc_upper_lo(valueCRC >> 8); + newName[newIndex++] = hex_asc_upper_hi(valueCRC); + newName[newIndex++] = hex_asc_upper_lo(valueCRC); if (hasExt) { newName[newIndex++] = EXT_MARK; diff --git a/fs/xfs/Kconfig b/fs/xfs/Kconfig index 399e8cec6e60..5d47b4df61ea 100644 --- a/fs/xfs/Kconfig +++ b/fs/xfs/Kconfig @@ -1,6 +1,7 @@ config XFS_FS tristate "XFS filesystem support" depends on BLOCK + depends on (64BIT || LBDAF) select EXPORTFS select LIBCRC32C help diff --git a/fs/xfs/Makefile b/fs/xfs/Makefile index c21f43506661..d61799949580 100644 --- a/fs/xfs/Makefile +++ b/fs/xfs/Makefile @@ -17,6 +17,7 @@ # ccflags-y += -I$(src) # needed for trace events +ccflags-y += -I$(src)/libxfs ccflags-$(CONFIG_XFS_DEBUG) += -g @@ -25,6 +26,39 @@ obj-$(CONFIG_XFS_FS) += xfs.o # this one should be compiled first, as the tracing macros can easily blow up xfs-y += xfs_trace.o +# build the libxfs code first +xfs-y += $(addprefix libxfs/, \ + xfs_alloc.o \ + xfs_alloc_btree.o \ + xfs_attr.o \ + xfs_attr_leaf.o \ + xfs_attr_remote.o \ + xfs_bmap.o \ + xfs_bmap_btree.o \ + xfs_btree.o \ + xfs_da_btree.o \ + xfs_da_format.o \ + xfs_dir2.o \ + xfs_dir2_block.o \ + xfs_dir2_data.o \ + xfs_dir2_leaf.o \ + xfs_dir2_node.o \ + xfs_dir2_sf.o \ + xfs_dquot_buf.o \ + xfs_ialloc.o \ + xfs_ialloc_btree.o \ + xfs_inode_fork.o \ + xfs_inode_buf.o \ + xfs_log_rlimit.o \ + xfs_sb.o \ + xfs_symlink_remote.o \ + xfs_trans_resv.o \ + ) +# xfs_rtbitmap is shared with libxfs +xfs-$(CONFIG_XFS_RT) += $(addprefix libxfs/, \ + xfs_rtbitmap.o \ + ) + # highlevel code xfs-y += xfs_aops.o \ xfs_attr_inactive.o \ @@ -45,53 +79,27 @@ xfs-y += xfs_aops.o \ xfs_ioctl.o \ xfs_iomap.o \ xfs_iops.o \ + xfs_inode.o \ xfs_itable.o \ xfs_message.o \ xfs_mount.o \ xfs_mru_cache.o \ xfs_super.o \ xfs_symlink.o \ + xfs_sysfs.o \ xfs_trans.o \ xfs_xattr.o \ kmem.o \ uuid.o -# code shared with libxfs -xfs-y += xfs_alloc.o \ - xfs_alloc_btree.o \ - xfs_attr.o \ - xfs_attr_leaf.o \ - xfs_attr_remote.o \ - xfs_bmap.o \ - xfs_bmap_btree.o \ - xfs_btree.o \ - xfs_da_btree.o \ - xfs_da_format.o \ - xfs_dir2.o \ - xfs_dir2_block.o \ - xfs_dir2_data.o \ - xfs_dir2_leaf.o \ - xfs_dir2_node.o \ - xfs_dir2_sf.o \ - xfs_dquot_buf.o \ - xfs_ialloc.o \ - xfs_ialloc_btree.o \ - xfs_icreate_item.o \ - xfs_inode.o \ - xfs_inode_fork.o \ - xfs_inode_buf.o \ - xfs_log_recover.o \ - xfs_log_rlimit.o \ - xfs_sb.o \ - xfs_symlink_remote.o \ - xfs_trans_resv.o - # low-level transaction/log code xfs-y += xfs_log.o \ xfs_log_cil.o \ xfs_buf_item.o \ xfs_extfree_item.o \ + xfs_icreate_item.o \ xfs_inode_item.o \ + xfs_log_recover.o \ xfs_trans_ail.o \ xfs_trans_buf.o \ xfs_trans_extfree.o \ @@ -107,8 +115,7 @@ xfs-$(CONFIG_XFS_QUOTA) += xfs_dquot.o \ xfs_quotaops.o # xfs_rtbitmap is shared with libxfs -xfs-$(CONFIG_XFS_RT) += xfs_rtalloc.o \ - xfs_rtbitmap.o +xfs-$(CONFIG_XFS_RT) += xfs_rtalloc.o xfs-$(CONFIG_XFS_POSIX_ACL) += xfs_acl.o xfs-$(CONFIG_PROC_FS) += xfs_stats.o diff --git a/fs/xfs/xfs_ag.h b/fs/xfs/libxfs/xfs_ag.h index 6e247a99f5db..6e247a99f5db 100644 --- a/fs/xfs/xfs_ag.h +++ b/fs/xfs/libxfs/xfs_ag.h diff --git a/fs/xfs/xfs_alloc.c b/fs/xfs/libxfs/xfs_alloc.c index d43813267a80..4bffffe038a1 100644 --- a/fs/xfs/xfs_alloc.c +++ b/fs/xfs/libxfs/xfs_alloc.c @@ -483,9 +483,9 @@ xfs_agfl_read_verify( return; if (!xfs_buf_verify_cksum(bp, XFS_AGFL_CRC_OFF)) - xfs_buf_ioerror(bp, EFSBADCRC); + xfs_buf_ioerror(bp, -EFSBADCRC); else if (!xfs_agfl_verify(bp)) - xfs_buf_ioerror(bp, EFSCORRUPTED); + xfs_buf_ioerror(bp, -EFSCORRUPTED); if (bp->b_error) xfs_verifier_error(bp); @@ -503,7 +503,7 @@ xfs_agfl_write_verify( return; if (!xfs_agfl_verify(bp)) { - xfs_buf_ioerror(bp, EFSCORRUPTED); + xfs_buf_ioerror(bp, -EFSCORRUPTED); xfs_verifier_error(bp); return; } @@ -559,7 +559,7 @@ xfs_alloc_update_counters( xfs_trans_agblocks_delta(tp, len); if (unlikely(be32_to_cpu(agf->agf_freeblks) > be32_to_cpu(agf->agf_length))) - return EFSCORRUPTED; + return -EFSCORRUPTED; xfs_alloc_log_agf(tp, agbp, XFS_AGF_FREEBLKS); return 0; @@ -2234,11 +2234,11 @@ xfs_agf_read_verify( if (xfs_sb_version_hascrc(&mp->m_sb) && !xfs_buf_verify_cksum(bp, XFS_AGF_CRC_OFF)) - xfs_buf_ioerror(bp, EFSBADCRC); + xfs_buf_ioerror(bp, -EFSBADCRC); else if (XFS_TEST_ERROR(!xfs_agf_verify(mp, bp), mp, XFS_ERRTAG_ALLOC_READ_AGF, XFS_RANDOM_ALLOC_READ_AGF)) - xfs_buf_ioerror(bp, EFSCORRUPTED); + xfs_buf_ioerror(bp, -EFSCORRUPTED); if (bp->b_error) xfs_verifier_error(bp); @@ -2252,7 +2252,7 @@ xfs_agf_write_verify( struct xfs_buf_log_item *bip = bp->b_fspriv; if (!xfs_agf_verify(mp, bp)) { - xfs_buf_ioerror(bp, EFSCORRUPTED); + xfs_buf_ioerror(bp, -EFSCORRUPTED); xfs_verifier_error(bp); return; } @@ -2601,11 +2601,11 @@ xfs_free_extent( */ args.agno = XFS_FSB_TO_AGNO(args.mp, bno); if (args.agno >= args.mp->m_sb.sb_agcount) - return EFSCORRUPTED; + return -EFSCORRUPTED; args.agbno = XFS_FSB_TO_AGBNO(args.mp, bno); if (args.agbno >= args.mp->m_sb.sb_agblocks) - return EFSCORRUPTED; + return -EFSCORRUPTED; args.pag = xfs_perag_get(args.mp, args.agno); ASSERT(args.pag); @@ -2617,7 +2617,7 @@ xfs_free_extent( /* validate the extent size is legal now we have the agf locked */ if (args.agbno + len > be32_to_cpu(XFS_BUF_TO_AGF(args.agbp)->agf_length)) { - error = EFSCORRUPTED; + error = -EFSCORRUPTED; goto error0; } diff --git a/fs/xfs/xfs_alloc.h b/fs/xfs/libxfs/xfs_alloc.h index feacb061bab7..feacb061bab7 100644 --- a/fs/xfs/xfs_alloc.h +++ b/fs/xfs/libxfs/xfs_alloc.h diff --git a/fs/xfs/xfs_alloc_btree.c b/fs/xfs/libxfs/xfs_alloc_btree.c index 8358f1ded94d..e0e83e24d3ef 100644 --- a/fs/xfs/xfs_alloc_btree.c +++ b/fs/xfs/libxfs/xfs_alloc_btree.c @@ -355,9 +355,9 @@ xfs_allocbt_read_verify( struct xfs_buf *bp) { if (!xfs_btree_sblock_verify_crc(bp)) - xfs_buf_ioerror(bp, EFSBADCRC); + xfs_buf_ioerror(bp, -EFSBADCRC); else if (!xfs_allocbt_verify(bp)) - xfs_buf_ioerror(bp, EFSCORRUPTED); + xfs_buf_ioerror(bp, -EFSCORRUPTED); if (bp->b_error) { trace_xfs_btree_corrupt(bp, _RET_IP_); @@ -371,7 +371,7 @@ xfs_allocbt_write_verify( { if (!xfs_allocbt_verify(bp)) { trace_xfs_btree_corrupt(bp, _RET_IP_); - xfs_buf_ioerror(bp, EFSCORRUPTED); + xfs_buf_ioerror(bp, -EFSCORRUPTED); xfs_verifier_error(bp); return; } diff --git a/fs/xfs/xfs_alloc_btree.h b/fs/xfs/libxfs/xfs_alloc_btree.h index 45e189e7e81c..45e189e7e81c 100644 --- a/fs/xfs/xfs_alloc_btree.h +++ b/fs/xfs/libxfs/xfs_alloc_btree.h diff --git a/fs/xfs/xfs_attr.c b/fs/xfs/libxfs/xfs_attr.c index bfe36fc2cdc2..353fb425faef 100644 --- a/fs/xfs/xfs_attr.c +++ b/fs/xfs/libxfs/xfs_attr.c @@ -85,7 +85,7 @@ xfs_attr_args_init( { if (!name) - return EINVAL; + return -EINVAL; memset(args, 0, sizeof(*args)); args->geo = dp->i_mount->m_attr_geo; @@ -95,7 +95,7 @@ xfs_attr_args_init( args->name = name; args->namelen = strlen((const char *)name); if (args->namelen >= MAXNAMELEN) - return EFAULT; /* match IRIX behaviour */ + return -EFAULT; /* match IRIX behaviour */ args->hashval = xfs_da_hashname(args->name, args->namelen); return 0; @@ -131,10 +131,10 @@ xfs_attr_get( XFS_STATS_INC(xs_attr_get); if (XFS_FORCED_SHUTDOWN(ip->i_mount)) - return EIO; + return -EIO; if (!xfs_inode_hasattr(ip)) - return ENOATTR; + return -ENOATTR; error = xfs_attr_args_init(&args, ip, name, flags); if (error) @@ -145,7 +145,7 @@ xfs_attr_get( lock_mode = xfs_ilock_attr_map_shared(ip); if (!xfs_inode_hasattr(ip)) - error = ENOATTR; + error = -ENOATTR; else if (ip->i_d.di_aformat == XFS_DINODE_FMT_LOCAL) error = xfs_attr_shortform_getvalue(&args); else if (xfs_bmap_one_block(ip, XFS_ATTR_FORK)) @@ -155,7 +155,7 @@ xfs_attr_get( xfs_iunlock(ip, lock_mode); *valuelenp = args.valuelen; - return error == EEXIST ? 0 : error; + return error == -EEXIST ? 0 : error; } /* @@ -213,7 +213,7 @@ xfs_attr_set( XFS_STATS_INC(xs_attr_set); if (XFS_FORCED_SHUTDOWN(dp->i_mount)) - return EIO; + return -EIO; error = xfs_attr_args_init(&args, dp, name, flags); if (error) @@ -304,7 +304,7 @@ xfs_attr_set( * the inode. */ error = xfs_attr_shortform_addname(&args); - if (error != ENOSPC) { + if (error != -ENOSPC) { /* * Commit the shortform mods, and we're done. * NOTE: this is also the error path (EEXIST, etc). @@ -419,10 +419,10 @@ xfs_attr_remove( XFS_STATS_INC(xs_attr_remove); if (XFS_FORCED_SHUTDOWN(dp->i_mount)) - return EIO; + return -EIO; if (!xfs_inode_hasattr(dp)) - return ENOATTR; + return -ENOATTR; error = xfs_attr_args_init(&args, dp, name, flags); if (error) @@ -477,7 +477,7 @@ xfs_attr_remove( xfs_trans_ijoin(args.trans, dp, 0); if (!xfs_inode_hasattr(dp)) { - error = XFS_ERROR(ENOATTR); + error = -ENOATTR; } else if (dp->i_d.di_aformat == XFS_DINODE_FMT_LOCAL) { ASSERT(dp->i_afp->if_flags & XFS_IFINLINE); error = xfs_attr_shortform_remove(&args); @@ -534,28 +534,28 @@ xfs_attr_shortform_addname(xfs_da_args_t *args) trace_xfs_attr_sf_addname(args); retval = xfs_attr_shortform_lookup(args); - if ((args->flags & ATTR_REPLACE) && (retval == ENOATTR)) { - return(retval); - } else if (retval == EEXIST) { + if ((args->flags & ATTR_REPLACE) && (retval == -ENOATTR)) { + return retval; + } else if (retval == -EEXIST) { if (args->flags & ATTR_CREATE) - return(retval); + return retval; retval = xfs_attr_shortform_remove(args); ASSERT(retval == 0); } if (args->namelen >= XFS_ATTR_SF_ENTSIZE_MAX || args->valuelen >= XFS_ATTR_SF_ENTSIZE_MAX) - return(XFS_ERROR(ENOSPC)); + return -ENOSPC; newsize = XFS_ATTR_SF_TOTSIZE(args->dp); newsize += XFS_ATTR_SF_ENTSIZE_BYNAME(args->namelen, args->valuelen); forkoff = xfs_attr_shortform_bytesfit(args->dp, newsize); if (!forkoff) - return(XFS_ERROR(ENOSPC)); + return -ENOSPC; xfs_attr_shortform_add(args, forkoff); - return(0); + return 0; } @@ -592,10 +592,10 @@ xfs_attr_leaf_addname(xfs_da_args_t *args) * the given flags produce an error or call for an atomic rename. */ retval = xfs_attr3_leaf_lookup_int(bp, args); - if ((args->flags & ATTR_REPLACE) && (retval == ENOATTR)) { + if ((args->flags & ATTR_REPLACE) && (retval == -ENOATTR)) { xfs_trans_brelse(args->trans, bp); return retval; - } else if (retval == EEXIST) { + } else if (retval == -EEXIST) { if (args->flags & ATTR_CREATE) { /* pure create op */ xfs_trans_brelse(args->trans, bp); return retval; @@ -626,7 +626,7 @@ xfs_attr_leaf_addname(xfs_da_args_t *args) * if required. */ retval = xfs_attr3_leaf_add(bp, args); - if (retval == ENOSPC) { + if (retval == -ENOSPC) { /* * Promote the attribute list to the Btree format, then * Commit that transaction so that the node_addname() call @@ -642,7 +642,7 @@ xfs_attr_leaf_addname(xfs_da_args_t *args) ASSERT(committed); args->trans = NULL; xfs_bmap_cancel(args->flist); - return(error); + return error; } /* @@ -658,13 +658,13 @@ xfs_attr_leaf_addname(xfs_da_args_t *args) */ error = xfs_trans_roll(&args->trans, dp); if (error) - return (error); + return error; /* * Fob the whole rest of the problem off on the Btree code. */ error = xfs_attr_node_addname(args); - return(error); + return error; } /* @@ -673,7 +673,7 @@ xfs_attr_leaf_addname(xfs_da_args_t *args) */ error = xfs_trans_roll(&args->trans, dp); if (error) - return (error); + return error; /* * If there was an out-of-line value, allocate the blocks we @@ -684,7 +684,7 @@ xfs_attr_leaf_addname(xfs_da_args_t *args) if (args->rmtblkno > 0) { error = xfs_attr_rmtval_set(args); if (error) - return(error); + return error; } /* @@ -700,7 +700,7 @@ xfs_attr_leaf_addname(xfs_da_args_t *args) */ error = xfs_attr3_leaf_flipflags(args); if (error) - return(error); + return error; /* * Dismantle the "old" attribute/value pair by removing @@ -714,7 +714,7 @@ xfs_attr_leaf_addname(xfs_da_args_t *args) if (args->rmtblkno) { error = xfs_attr_rmtval_remove(args); if (error) - return(error); + return error; } /* @@ -744,7 +744,7 @@ xfs_attr_leaf_addname(xfs_da_args_t *args) ASSERT(committed); args->trans = NULL; xfs_bmap_cancel(args->flist); - return(error); + return error; } /* @@ -795,7 +795,7 @@ xfs_attr_leaf_removename(xfs_da_args_t *args) return error; error = xfs_attr3_leaf_lookup_int(bp, args); - if (error == ENOATTR) { + if (error == -ENOATTR) { xfs_trans_brelse(args->trans, bp); return error; } @@ -850,7 +850,7 @@ xfs_attr_leaf_get(xfs_da_args_t *args) return error; error = xfs_attr3_leaf_lookup_int(bp, args); - if (error != EEXIST) { + if (error != -EEXIST) { xfs_trans_brelse(args->trans, bp); return error; } @@ -906,9 +906,9 @@ restart: goto out; blk = &state->path.blk[ state->path.active-1 ]; ASSERT(blk->magic == XFS_ATTR_LEAF_MAGIC); - if ((args->flags & ATTR_REPLACE) && (retval == ENOATTR)) { + if ((args->flags & ATTR_REPLACE) && (retval == -ENOATTR)) { goto out; - } else if (retval == EEXIST) { + } else if (retval == -EEXIST) { if (args->flags & ATTR_CREATE) goto out; @@ -933,7 +933,7 @@ restart: } retval = xfs_attr3_leaf_add(blk->bp, state->args); - if (retval == ENOSPC) { + if (retval == -ENOSPC) { if (state->path.active == 1) { /* * Its really a single leaf node, but it had @@ -1031,7 +1031,7 @@ restart: if (args->rmtblkno > 0) { error = xfs_attr_rmtval_set(args); if (error) - return(error); + return error; } /* @@ -1061,7 +1061,7 @@ restart: if (args->rmtblkno) { error = xfs_attr_rmtval_remove(args); if (error) - return(error); + return error; } /* @@ -1134,8 +1134,8 @@ out: if (state) xfs_da_state_free(state); if (error) - return(error); - return(retval); + return error; + return retval; } /* @@ -1168,7 +1168,7 @@ xfs_attr_node_removename(xfs_da_args_t *args) * Search to see if name exists, and get back a pointer to it. */ error = xfs_da3_node_lookup_int(state, &retval); - if (error || (retval != EEXIST)) { + if (error || (retval != -EEXIST)) { if (error == 0) error = retval; goto out; @@ -1297,7 +1297,7 @@ xfs_attr_node_removename(xfs_da_args_t *args) out: xfs_da_state_free(state); - return(error); + return error; } /* @@ -1345,7 +1345,7 @@ xfs_attr_fillstate(xfs_da_state_t *state) } } - return(0); + return 0; } /* @@ -1376,7 +1376,7 @@ xfs_attr_refillstate(xfs_da_state_t *state) blk->blkno, blk->disk_blkno, &blk->bp, XFS_ATTR_FORK); if (error) - return(error); + return error; } else { blk->bp = NULL; } @@ -1395,13 +1395,13 @@ xfs_attr_refillstate(xfs_da_state_t *state) blk->blkno, blk->disk_blkno, &blk->bp, XFS_ATTR_FORK); if (error) - return(error); + return error; } else { blk->bp = NULL; } } - return(0); + return 0; } /* @@ -1431,7 +1431,7 @@ xfs_attr_node_get(xfs_da_args_t *args) error = xfs_da3_node_lookup_int(state, &retval); if (error) { retval = error; - } else if (retval == EEXIST) { + } else if (retval == -EEXIST) { blk = &state->path.blk[ state->path.active-1 ]; ASSERT(blk->bp != NULL); ASSERT(blk->magic == XFS_ATTR_LEAF_MAGIC); @@ -1455,5 +1455,5 @@ xfs_attr_node_get(xfs_da_args_t *args) } xfs_da_state_free(state); - return(retval); + return retval; } diff --git a/fs/xfs/xfs_attr_leaf.c b/fs/xfs/libxfs/xfs_attr_leaf.c index 28712d29e43c..b1f73dbbf3d8 100644 --- a/fs/xfs/xfs_attr_leaf.c +++ b/fs/xfs/libxfs/xfs_attr_leaf.c @@ -214,7 +214,7 @@ xfs_attr3_leaf_write_verify( struct xfs_attr3_leaf_hdr *hdr3 = bp->b_addr; if (!xfs_attr3_leaf_verify(bp)) { - xfs_buf_ioerror(bp, EFSCORRUPTED); + xfs_buf_ioerror(bp, -EFSCORRUPTED); xfs_verifier_error(bp); return; } @@ -242,9 +242,9 @@ xfs_attr3_leaf_read_verify( if (xfs_sb_version_hascrc(&mp->m_sb) && !xfs_buf_verify_cksum(bp, XFS_ATTR3_LEAF_CRC_OFF)) - xfs_buf_ioerror(bp, EFSBADCRC); + xfs_buf_ioerror(bp, -EFSBADCRC); else if (!xfs_attr3_leaf_verify(bp)) - xfs_buf_ioerror(bp, EFSCORRUPTED); + xfs_buf_ioerror(bp, -EFSCORRUPTED); if (bp->b_error) xfs_verifier_error(bp); @@ -547,7 +547,7 @@ xfs_attr_shortform_remove(xfs_da_args_t *args) break; } if (i == end) - return(XFS_ERROR(ENOATTR)); + return -ENOATTR; /* * Fix up the attribute fork data, covering the hole @@ -582,7 +582,7 @@ xfs_attr_shortform_remove(xfs_da_args_t *args) xfs_sbversion_add_attr2(mp, args->trans); - return(0); + return 0; } /* @@ -611,9 +611,9 @@ xfs_attr_shortform_lookup(xfs_da_args_t *args) continue; if (!xfs_attr_namesp_match(args->flags, sfe->flags)) continue; - return(XFS_ERROR(EEXIST)); + return -EEXIST; } - return(XFS_ERROR(ENOATTR)); + return -ENOATTR; } /* @@ -640,18 +640,18 @@ xfs_attr_shortform_getvalue(xfs_da_args_t *args) continue; if (args->flags & ATTR_KERNOVAL) { args->valuelen = sfe->valuelen; - return(XFS_ERROR(EEXIST)); + return -EEXIST; } if (args->valuelen < sfe->valuelen) { args->valuelen = sfe->valuelen; - return(XFS_ERROR(ERANGE)); + return -ERANGE; } args->valuelen = sfe->valuelen; memcpy(args->value, &sfe->nameval[args->namelen], args->valuelen); - return(XFS_ERROR(EEXIST)); + return -EEXIST; } - return(XFS_ERROR(ENOATTR)); + return -ENOATTR; } /* @@ -691,7 +691,7 @@ xfs_attr_shortform_to_leaf(xfs_da_args_t *args) * If we hit an IO error middle of the transaction inside * grow_inode(), we may have inconsistent data. Bail out. */ - if (error == EIO) + if (error == -EIO) goto out; xfs_idata_realloc(dp, size, XFS_ATTR_FORK); /* try to put */ memcpy(ifp->if_u1.if_data, tmpbuffer, size); /* it back */ @@ -730,9 +730,9 @@ xfs_attr_shortform_to_leaf(xfs_da_args_t *args) sfe->namelen); nargs.flags = XFS_ATTR_NSP_ONDISK_TO_ARGS(sfe->flags); error = xfs_attr3_leaf_lookup_int(bp, &nargs); /* set a->index */ - ASSERT(error == ENOATTR); + ASSERT(error == -ENOATTR); error = xfs_attr3_leaf_add(bp, &nargs); - ASSERT(error != ENOSPC); + ASSERT(error != -ENOSPC); if (error) goto out; sfe = XFS_ATTR_SF_NEXTENTRY(sfe); @@ -741,7 +741,7 @@ xfs_attr_shortform_to_leaf(xfs_da_args_t *args) out: kmem_free(tmpbuffer); - return(error); + return error; } /* @@ -769,12 +769,12 @@ xfs_attr_shortform_allfit( if (entry->flags & XFS_ATTR_INCOMPLETE) continue; /* don't copy partial entries */ if (!(entry->flags & XFS_ATTR_LOCAL)) - return(0); + return 0; name_loc = xfs_attr3_leaf_name_local(leaf, i); if (name_loc->namelen >= XFS_ATTR_SF_ENTSIZE_MAX) - return(0); + return 0; if (be16_to_cpu(name_loc->valuelen) >= XFS_ATTR_SF_ENTSIZE_MAX) - return(0); + return 0; bytes += sizeof(struct xfs_attr_sf_entry) - 1 + name_loc->namelen + be16_to_cpu(name_loc->valuelen); @@ -809,7 +809,7 @@ xfs_attr3_leaf_to_shortform( tmpbuffer = kmem_alloc(args->geo->blksize, KM_SLEEP); if (!tmpbuffer) - return ENOMEM; + return -ENOMEM; memcpy(tmpbuffer, bp->b_addr, args->geo->blksize); @@ -1017,10 +1017,10 @@ xfs_attr3_leaf_split( ASSERT(oldblk->magic == XFS_ATTR_LEAF_MAGIC); error = xfs_da_grow_inode(state->args, &blkno); if (error) - return(error); + return error; error = xfs_attr3_leaf_create(state->args, blkno, &newblk->bp); if (error) - return(error); + return error; newblk->blkno = blkno; newblk->magic = XFS_ATTR_LEAF_MAGIC; @@ -1031,7 +1031,7 @@ xfs_attr3_leaf_split( xfs_attr3_leaf_rebalance(state, oldblk, newblk); error = xfs_da3_blk_link(state, oldblk, newblk); if (error) - return(error); + return error; /* * Save info on "old" attribute for "atomic rename" ops, leaf_add() @@ -1053,7 +1053,7 @@ xfs_attr3_leaf_split( */ oldblk->hashval = xfs_attr_leaf_lasthash(oldblk->bp, NULL); newblk->hashval = xfs_attr_leaf_lasthash(newblk->bp, NULL); - return(error); + return error; } /* @@ -1108,7 +1108,7 @@ xfs_attr3_leaf_add( * no good and we should just give up. */ if (!ichdr.holes && sum < entsize) - return XFS_ERROR(ENOSPC); + return -ENOSPC; /* * Compact the entries to coalesce free space. @@ -1121,7 +1121,7 @@ xfs_attr3_leaf_add( * free region, in freemap[0]. If it is not big enough, give up. */ if (ichdr.freemap[0].size < (entsize + sizeof(xfs_attr_leaf_entry_t))) { - tmp = ENOSPC; + tmp = -ENOSPC; goto out_log_hdr; } @@ -1692,7 +1692,7 @@ xfs_attr3_leaf_toosmall( ichdr.usedbytes; if (bytes > (state->args->geo->blksize >> 1)) { *action = 0; /* blk over 50%, don't try to join */ - return(0); + return 0; } /* @@ -1711,7 +1711,7 @@ xfs_attr3_leaf_toosmall( error = xfs_da3_path_shift(state, &state->altpath, forward, 0, &retval); if (error) - return(error); + return error; if (retval) { *action = 0; } else { @@ -1740,7 +1740,7 @@ xfs_attr3_leaf_toosmall( error = xfs_attr3_leaf_read(state->args->trans, state->args->dp, blkno, -1, &bp); if (error) - return(error); + return error; xfs_attr3_leaf_hdr_from_disk(&ichdr2, bp->b_addr); @@ -1757,7 +1757,7 @@ xfs_attr3_leaf_toosmall( } if (i >= 2) { *action = 0; - return(0); + return 0; } /* @@ -1773,13 +1773,13 @@ xfs_attr3_leaf_toosmall( 0, &retval); } if (error) - return(error); + return error; if (retval) { *action = 0; } else { *action = 1; } - return(0); + return 0; } /* @@ -2123,7 +2123,7 @@ xfs_attr3_leaf_lookup_int( } if (probe == ichdr.count || be32_to_cpu(entry->hashval) != hashval) { args->index = probe; - return XFS_ERROR(ENOATTR); + return -ENOATTR; } /* @@ -2152,7 +2152,7 @@ xfs_attr3_leaf_lookup_int( if (!xfs_attr_namesp_match(args->flags, entry->flags)) continue; args->index = probe; - return XFS_ERROR(EEXIST); + return -EEXIST; } else { name_rmt = xfs_attr3_leaf_name_remote(leaf, probe); if (name_rmt->namelen != args->namelen) @@ -2168,11 +2168,11 @@ xfs_attr3_leaf_lookup_int( args->rmtblkcnt = xfs_attr3_rmt_blocks( args->dp->i_mount, args->rmtvaluelen); - return XFS_ERROR(EEXIST); + return -EEXIST; } } args->index = probe; - return XFS_ERROR(ENOATTR); + return -ENOATTR; } /* @@ -2208,7 +2208,7 @@ xfs_attr3_leaf_getvalue( } if (args->valuelen < valuelen) { args->valuelen = valuelen; - return XFS_ERROR(ERANGE); + return -ERANGE; } args->valuelen = valuelen; memcpy(args->value, &name_loc->nameval[args->namelen], valuelen); @@ -2226,7 +2226,7 @@ xfs_attr3_leaf_getvalue( } if (args->valuelen < args->rmtvaluelen) { args->valuelen = args->rmtvaluelen; - return XFS_ERROR(ERANGE); + return -ERANGE; } args->valuelen = args->rmtvaluelen; } @@ -2481,7 +2481,7 @@ xfs_attr3_leaf_clearflag( */ error = xfs_attr3_leaf_read(args->trans, args->dp, args->blkno, -1, &bp); if (error) - return(error); + return error; leaf = bp->b_addr; entry = &xfs_attr3_leaf_entryp(leaf)[args->index]; @@ -2548,7 +2548,7 @@ xfs_attr3_leaf_setflag( */ error = xfs_attr3_leaf_read(args->trans, args->dp, args->blkno, -1, &bp); if (error) - return(error); + return error; leaf = bp->b_addr; #ifdef DEBUG diff --git a/fs/xfs/xfs_attr_leaf.h b/fs/xfs/libxfs/xfs_attr_leaf.h index e2929da7c3ba..e2929da7c3ba 100644 --- a/fs/xfs/xfs_attr_leaf.h +++ b/fs/xfs/libxfs/xfs_attr_leaf.h diff --git a/fs/xfs/xfs_attr_remote.c b/fs/xfs/libxfs/xfs_attr_remote.c index b5adfecbb8ee..7510ab8058a4 100644 --- a/fs/xfs/xfs_attr_remote.c +++ b/fs/xfs/libxfs/xfs_attr_remote.c @@ -138,11 +138,11 @@ xfs_attr3_rmt_read_verify( while (len > 0) { if (!xfs_verify_cksum(ptr, blksize, XFS_ATTR3_RMT_CRC_OFF)) { - xfs_buf_ioerror(bp, EFSBADCRC); + xfs_buf_ioerror(bp, -EFSBADCRC); break; } if (!xfs_attr3_rmt_verify(mp, ptr, blksize, bno)) { - xfs_buf_ioerror(bp, EFSCORRUPTED); + xfs_buf_ioerror(bp, -EFSCORRUPTED); break; } len -= blksize; @@ -178,7 +178,7 @@ xfs_attr3_rmt_write_verify( while (len > 0) { if (!xfs_attr3_rmt_verify(mp, ptr, blksize, bno)) { - xfs_buf_ioerror(bp, EFSCORRUPTED); + xfs_buf_ioerror(bp, -EFSCORRUPTED); xfs_verifier_error(bp); return; } @@ -257,7 +257,7 @@ xfs_attr_rmtval_copyout( xfs_alert(mp, "remote attribute header mismatch bno/off/len/owner (0x%llx/0x%x/Ox%x/0x%llx)", bno, *offset, byte_cnt, ino); - return EFSCORRUPTED; + return -EFSCORRUPTED; } hdr_size = sizeof(struct xfs_attr3_rmt_hdr); } @@ -452,7 +452,7 @@ xfs_attr_rmtval_set( ASSERT(committed); args->trans = NULL; xfs_bmap_cancel(args->flist); - return(error); + return error; } /* @@ -473,7 +473,7 @@ xfs_attr_rmtval_set( */ error = xfs_trans_roll(&args->trans, dp); if (error) - return (error); + return error; } /* @@ -498,7 +498,7 @@ xfs_attr_rmtval_set( blkcnt, &map, &nmap, XFS_BMAPI_ATTRFORK); if (error) - return(error); + return error; ASSERT(nmap == 1); ASSERT((map.br_startblock != DELAYSTARTBLOCK) && (map.br_startblock != HOLESTARTBLOCK)); @@ -508,7 +508,7 @@ xfs_attr_rmtval_set( bp = xfs_buf_get(mp->m_ddev_targp, dblkno, dblkcnt, 0); if (!bp) - return ENOMEM; + return -ENOMEM; bp->b_ops = &xfs_attr3_rmt_buf_ops; xfs_attr_rmtval_copyin(mp, bp, args->dp->i_ino, &offset, @@ -563,7 +563,7 @@ xfs_attr_rmtval_remove( error = xfs_bmapi_read(args->dp, (xfs_fileoff_t)lblkno, blkcnt, &map, &nmap, XFS_BMAPI_ATTRFORK); if (error) - return(error); + return error; ASSERT(nmap == 1); ASSERT((map.br_startblock != DELAYSTARTBLOCK) && (map.br_startblock != HOLESTARTBLOCK)); @@ -622,7 +622,7 @@ xfs_attr_rmtval_remove( */ error = xfs_trans_roll(&args->trans, args->dp); if (error) - return (error); + return error; } - return(0); + return 0; } diff --git a/fs/xfs/xfs_attr_remote.h b/fs/xfs/libxfs/xfs_attr_remote.h index 5a9acfa156d7..5a9acfa156d7 100644 --- a/fs/xfs/xfs_attr_remote.h +++ b/fs/xfs/libxfs/xfs_attr_remote.h diff --git a/fs/xfs/xfs_attr_sf.h b/fs/xfs/libxfs/xfs_attr_sf.h index 919756e3ba53..919756e3ba53 100644 --- a/fs/xfs/xfs_attr_sf.h +++ b/fs/xfs/libxfs/xfs_attr_sf.h diff --git a/fs/xfs/xfs_bit.h b/fs/xfs/libxfs/xfs_bit.h index e1649c0d3e02..e1649c0d3e02 100644 --- a/fs/xfs/xfs_bit.h +++ b/fs/xfs/libxfs/xfs_bit.h diff --git a/fs/xfs/xfs_bmap.c b/fs/xfs/libxfs/xfs_bmap.c index 75c3fe5f3d9d..de2d26d32844 100644 --- a/fs/xfs/xfs_bmap.c +++ b/fs/xfs/libxfs/xfs_bmap.c @@ -392,7 +392,7 @@ xfs_bmap_check_leaf_extents( pp = XFS_BMAP_BROOT_PTR_ADDR(mp, block, 1, ifp->if_broot_bytes); bno = be64_to_cpu(*pp); - ASSERT(bno != NULLDFSBNO); + ASSERT(bno != NULLFSBLOCK); ASSERT(XFS_FSB_TO_AGNO(mp, bno) < mp->m_sb.sb_agcount); ASSERT(XFS_FSB_TO_AGBNO(mp, bno) < mp->m_sb.sb_agblocks); @@ -1033,7 +1033,7 @@ xfs_bmap_add_attrfork_btree( goto error0; if (stat == 0) { xfs_btree_del_cursor(cur, XFS_BTREE_NOERROR); - return XFS_ERROR(ENOSPC); + return -ENOSPC; } *firstblock = cur->bc_private.b.firstblock; cur->bc_private.b.allocated = 0; @@ -1115,7 +1115,7 @@ xfs_bmap_add_attrfork_local( /* should only be called for types that support local format data */ ASSERT(0); - return EFSCORRUPTED; + return -EFSCORRUPTED; } /* @@ -1192,7 +1192,7 @@ xfs_bmap_add_attrfork( break; default: ASSERT(0); - error = XFS_ERROR(EINVAL); + error = -EINVAL; goto trans_cancel; } @@ -1299,7 +1299,7 @@ xfs_bmap_read_extents( ASSERT(level > 0); pp = XFS_BMAP_BROOT_PTR_ADDR(mp, block, 1, ifp->if_broot_bytes); bno = be64_to_cpu(*pp); - ASSERT(bno != NULLDFSBNO); + ASSERT(bno != NULLFSBLOCK); ASSERT(XFS_FSB_TO_AGNO(mp, bno) < mp->m_sb.sb_agcount); ASSERT(XFS_FSB_TO_AGBNO(mp, bno) < mp->m_sb.sb_agblocks); /* @@ -1399,7 +1399,7 @@ xfs_bmap_read_extents( return 0; error0: xfs_trans_brelse(tp, bp); - return XFS_ERROR(EFSCORRUPTED); + return -EFSCORRUPTED; } @@ -1429,11 +1429,7 @@ xfs_bmap_search_multi_extents( gotp->br_startoff = 0xffa5a5a5a5a5a5a5LL; gotp->br_blockcount = 0xa55a5a5a5a5a5a5aLL; gotp->br_state = XFS_EXT_INVALID; -#if XFS_BIG_BLKNOS gotp->br_startblock = 0xffffa5a5a5a5a5a5LL; -#else - gotp->br_startblock = 0xffffa5a5; -#endif prevp->br_startoff = NULLFILEOFF; ep = xfs_iext_bno_to_ext(ifp, bno, &lastx); @@ -1576,7 +1572,7 @@ xfs_bmap_last_before( if (XFS_IFORK_FORMAT(ip, whichfork) != XFS_DINODE_FMT_BTREE && XFS_IFORK_FORMAT(ip, whichfork) != XFS_DINODE_FMT_EXTENTS && XFS_IFORK_FORMAT(ip, whichfork) != XFS_DINODE_FMT_LOCAL) - return XFS_ERROR(EIO); + return -EIO; if (XFS_IFORK_FORMAT(ip, whichfork) == XFS_DINODE_FMT_LOCAL) { *last_block = 0; return 0; @@ -1690,7 +1686,7 @@ xfs_bmap_last_offset( if (XFS_IFORK_FORMAT(ip, whichfork) != XFS_DINODE_FMT_BTREE && XFS_IFORK_FORMAT(ip, whichfork) != XFS_DINODE_FMT_EXTENTS) - return XFS_ERROR(EIO); + return -EIO; error = xfs_bmap_last_extent(NULL, ip, whichfork, &rec, &is_empty); if (error || is_empty) @@ -3323,7 +3319,7 @@ xfs_bmap_extsize_align( if (orig_off < align_off || orig_end > align_off + align_alen || align_alen - temp < orig_alen) - return XFS_ERROR(EINVAL); + return -EINVAL; /* * Try to fix it by moving the start up. */ @@ -3348,7 +3344,7 @@ xfs_bmap_extsize_align( * Result doesn't cover the request, fail it. */ if (orig_off < align_off || orig_end > align_off + align_alen) - return XFS_ERROR(EINVAL); + return -EINVAL; } else { ASSERT(orig_off >= align_off); ASSERT(orig_end <= align_off + align_alen); @@ -4051,11 +4047,11 @@ xfs_bmapi_read( XFS_IFORK_FORMAT(ip, whichfork) != XFS_DINODE_FMT_BTREE), mp, XFS_ERRTAG_BMAPIFORMAT, XFS_RANDOM_BMAPIFORMAT))) { XFS_ERROR_REPORT("xfs_bmapi_read", XFS_ERRLEVEL_LOW, mp); - return XFS_ERROR(EFSCORRUPTED); + return -EFSCORRUPTED; } if (XFS_FORCED_SHUTDOWN(mp)) - return XFS_ERROR(EIO); + return -EIO; XFS_STATS_INC(xs_blk_mapr); @@ -4246,11 +4242,11 @@ xfs_bmapi_delay( XFS_IFORK_FORMAT(ip, XFS_DATA_FORK) != XFS_DINODE_FMT_BTREE), mp, XFS_ERRTAG_BMAPIFORMAT, XFS_RANDOM_BMAPIFORMAT))) { XFS_ERROR_REPORT("xfs_bmapi_delay", XFS_ERRLEVEL_LOW, mp); - return XFS_ERROR(EFSCORRUPTED); + return -EFSCORRUPTED; } if (XFS_FORCED_SHUTDOWN(mp)) - return XFS_ERROR(EIO); + return -EIO; XFS_STATS_INC(xs_blk_mapw); @@ -4469,7 +4465,7 @@ xfs_bmapi_convert_unwritten( * so generate another request. */ if (mval->br_blockcount < len) - return EAGAIN; + return -EAGAIN; return 0; } @@ -4540,11 +4536,11 @@ xfs_bmapi_write( XFS_IFORK_FORMAT(ip, whichfork) != XFS_DINODE_FMT_BTREE), mp, XFS_ERRTAG_BMAPIFORMAT, XFS_RANDOM_BMAPIFORMAT))) { XFS_ERROR_REPORT("xfs_bmapi_write", XFS_ERRLEVEL_LOW, mp); - return XFS_ERROR(EFSCORRUPTED); + return -EFSCORRUPTED; } if (XFS_FORCED_SHUTDOWN(mp)) - return XFS_ERROR(EIO); + return -EIO; ifp = XFS_IFORK_PTR(ip, whichfork); @@ -4620,7 +4616,7 @@ xfs_bmapi_write( /* Execute unwritten extent conversion if necessary */ error = xfs_bmapi_convert_unwritten(&bma, mval, len, flags); - if (error == EAGAIN) + if (error == -EAGAIN) continue; if (error) goto error0; @@ -4922,7 +4918,7 @@ xfs_bmap_del_extent( goto done; cur->bc_rec.b = new; error = xfs_btree_insert(cur, &i); - if (error && error != ENOSPC) + if (error && error != -ENOSPC) goto done; /* * If get no-space back from btree insert, @@ -4930,7 +4926,7 @@ xfs_bmap_del_extent( * block reservation. * Fix up our state and return the error. */ - if (error == ENOSPC) { + if (error == -ENOSPC) { /* * Reset the cursor, don't trust * it after any insert operation. @@ -4958,7 +4954,7 @@ xfs_bmap_del_extent( xfs_bmbt_set_blockcount(ep, got.br_blockcount); flags = 0; - error = XFS_ERROR(ENOSPC); + error = -ENOSPC; goto done; } XFS_WANT_CORRUPTED_GOTO(i == 1, done); @@ -5076,11 +5072,11 @@ xfs_bunmapi( XFS_IFORK_FORMAT(ip, whichfork) != XFS_DINODE_FMT_BTREE)) { XFS_ERROR_REPORT("xfs_bunmapi", XFS_ERRLEVEL_LOW, ip->i_mount); - return XFS_ERROR(EFSCORRUPTED); + return -EFSCORRUPTED; } mp = ip->i_mount; if (XFS_FORCED_SHUTDOWN(mp)) - return XFS_ERROR(EIO); + return -EIO; ASSERT(xfs_isilocked(ip, XFS_ILOCK_EXCL)); ASSERT(len > 0); @@ -5325,7 +5321,7 @@ xfs_bunmapi( del.br_startoff > got.br_startoff && del.br_startoff + del.br_blockcount < got.br_startoff + got.br_blockcount) { - error = XFS_ERROR(ENOSPC); + error = -ENOSPC; goto error0; } error = xfs_bmap_del_extent(ip, tp, &lastx, flist, cur, &del, @@ -5449,11 +5445,11 @@ xfs_bmap_shift_extents( mp, XFS_ERRTAG_BMAPIFORMAT, XFS_RANDOM_BMAPIFORMAT))) { XFS_ERROR_REPORT("xfs_bmap_shift_extents", XFS_ERRLEVEL_LOW, mp); - return XFS_ERROR(EFSCORRUPTED); + return -EFSCORRUPTED; } if (XFS_FORCED_SHUTDOWN(mp)) - return XFS_ERROR(EIO); + return -EIO; ASSERT(current_ext != NULL); @@ -5516,14 +5512,14 @@ xfs_bmap_shift_extents( *current_ext - 1), &left); if (startoff < left.br_startoff + left.br_blockcount) - error = XFS_ERROR(EINVAL); + error = -EINVAL; } else if (offset_shift_fsb > got.br_startoff) { /* * When first extent is shifted, offset_shift_fsb * should be less than the stating offset of * the first extent. */ - error = XFS_ERROR(EINVAL); + error = -EINVAL; } if (error) diff --git a/fs/xfs/xfs_bmap.h b/fs/xfs/libxfs/xfs_bmap.h index b879ca56a64c..b879ca56a64c 100644 --- a/fs/xfs/xfs_bmap.h +++ b/fs/xfs/libxfs/xfs_bmap.h diff --git a/fs/xfs/xfs_bmap_btree.c b/fs/xfs/libxfs/xfs_bmap_btree.c index 948836c4fd90..fba753308f31 100644 --- a/fs/xfs/xfs_bmap_btree.c +++ b/fs/xfs/libxfs/xfs_bmap_btree.c @@ -111,23 +111,8 @@ __xfs_bmbt_get_all( ext_flag = (int)(l0 >> (64 - BMBT_EXNTFLAG_BITLEN)); s->br_startoff = ((xfs_fileoff_t)l0 & xfs_mask64lo(64 - BMBT_EXNTFLAG_BITLEN)) >> 9; -#if XFS_BIG_BLKNOS s->br_startblock = (((xfs_fsblock_t)l0 & xfs_mask64lo(9)) << 43) | (((xfs_fsblock_t)l1) >> 21); -#else -#ifdef DEBUG - { - xfs_dfsbno_t b; - - b = (((xfs_dfsbno_t)l0 & xfs_mask64lo(9)) << 43) | - (((xfs_dfsbno_t)l1) >> 21); - ASSERT((b >> 32) == 0 || isnulldstartblock(b)); - s->br_startblock = (xfs_fsblock_t)b; - } -#else /* !DEBUG */ - s->br_startblock = (xfs_fsblock_t)(((xfs_dfsbno_t)l1) >> 21); -#endif /* DEBUG */ -#endif /* XFS_BIG_BLKNOS */ s->br_blockcount = (xfs_filblks_t)(l1 & xfs_mask64lo(21)); /* This is xfs_extent_state() in-line */ if (ext_flag) { @@ -163,21 +148,8 @@ xfs_fsblock_t xfs_bmbt_get_startblock( xfs_bmbt_rec_host_t *r) { -#if XFS_BIG_BLKNOS return (((xfs_fsblock_t)r->l0 & xfs_mask64lo(9)) << 43) | (((xfs_fsblock_t)r->l1) >> 21); -#else -#ifdef DEBUG - xfs_dfsbno_t b; - - b = (((xfs_dfsbno_t)r->l0 & xfs_mask64lo(9)) << 43) | - (((xfs_dfsbno_t)r->l1) >> 21); - ASSERT((b >> 32) == 0 || isnulldstartblock(b)); - return (xfs_fsblock_t)b; -#else /* !DEBUG */ - return (xfs_fsblock_t)(((xfs_dfsbno_t)r->l1) >> 21); -#endif /* DEBUG */ -#endif /* XFS_BIG_BLKNOS */ } /* @@ -241,7 +213,6 @@ xfs_bmbt_set_allf( ASSERT((startoff & xfs_mask64hi(64-BMBT_STARTOFF_BITLEN)) == 0); ASSERT((blockcount & xfs_mask64hi(64-BMBT_BLOCKCOUNT_BITLEN)) == 0); -#if XFS_BIG_BLKNOS ASSERT((startblock & xfs_mask64hi(64-BMBT_STARTBLOCK_BITLEN)) == 0); r->l0 = ((xfs_bmbt_rec_base_t)extent_flag << 63) | @@ -250,23 +221,6 @@ xfs_bmbt_set_allf( r->l1 = ((xfs_bmbt_rec_base_t)startblock << 21) | ((xfs_bmbt_rec_base_t)blockcount & (xfs_bmbt_rec_base_t)xfs_mask64lo(21)); -#else /* !XFS_BIG_BLKNOS */ - if (isnullstartblock(startblock)) { - r->l0 = ((xfs_bmbt_rec_base_t)extent_flag << 63) | - ((xfs_bmbt_rec_base_t)startoff << 9) | - (xfs_bmbt_rec_base_t)xfs_mask64lo(9); - r->l1 = xfs_mask64hi(11) | - ((xfs_bmbt_rec_base_t)startblock << 21) | - ((xfs_bmbt_rec_base_t)blockcount & - (xfs_bmbt_rec_base_t)xfs_mask64lo(21)); - } else { - r->l0 = ((xfs_bmbt_rec_base_t)extent_flag << 63) | - ((xfs_bmbt_rec_base_t)startoff << 9); - r->l1 = ((xfs_bmbt_rec_base_t)startblock << 21) | - ((xfs_bmbt_rec_base_t)blockcount & - (xfs_bmbt_rec_base_t)xfs_mask64lo(21)); - } -#endif /* XFS_BIG_BLKNOS */ } /* @@ -298,8 +252,6 @@ xfs_bmbt_disk_set_allf( ASSERT(state == XFS_EXT_NORM || state == XFS_EXT_UNWRITTEN); ASSERT((startoff & xfs_mask64hi(64-BMBT_STARTOFF_BITLEN)) == 0); ASSERT((blockcount & xfs_mask64hi(64-BMBT_BLOCKCOUNT_BITLEN)) == 0); - -#if XFS_BIG_BLKNOS ASSERT((startblock & xfs_mask64hi(64-BMBT_STARTBLOCK_BITLEN)) == 0); r->l0 = cpu_to_be64( @@ -310,26 +262,6 @@ xfs_bmbt_disk_set_allf( ((xfs_bmbt_rec_base_t)startblock << 21) | ((xfs_bmbt_rec_base_t)blockcount & (xfs_bmbt_rec_base_t)xfs_mask64lo(21))); -#else /* !XFS_BIG_BLKNOS */ - if (isnullstartblock(startblock)) { - r->l0 = cpu_to_be64( - ((xfs_bmbt_rec_base_t)extent_flag << 63) | - ((xfs_bmbt_rec_base_t)startoff << 9) | - (xfs_bmbt_rec_base_t)xfs_mask64lo(9)); - r->l1 = cpu_to_be64(xfs_mask64hi(11) | - ((xfs_bmbt_rec_base_t)startblock << 21) | - ((xfs_bmbt_rec_base_t)blockcount & - (xfs_bmbt_rec_base_t)xfs_mask64lo(21))); - } else { - r->l0 = cpu_to_be64( - ((xfs_bmbt_rec_base_t)extent_flag << 63) | - ((xfs_bmbt_rec_base_t)startoff << 9)); - r->l1 = cpu_to_be64( - ((xfs_bmbt_rec_base_t)startblock << 21) | - ((xfs_bmbt_rec_base_t)blockcount & - (xfs_bmbt_rec_base_t)xfs_mask64lo(21))); - } -#endif /* XFS_BIG_BLKNOS */ } /* @@ -365,24 +297,11 @@ xfs_bmbt_set_startblock( xfs_bmbt_rec_host_t *r, xfs_fsblock_t v) { -#if XFS_BIG_BLKNOS ASSERT((v & xfs_mask64hi(12)) == 0); r->l0 = (r->l0 & (xfs_bmbt_rec_base_t)xfs_mask64hi(55)) | (xfs_bmbt_rec_base_t)(v >> 43); r->l1 = (r->l1 & (xfs_bmbt_rec_base_t)xfs_mask64lo(21)) | (xfs_bmbt_rec_base_t)(v << 21); -#else /* !XFS_BIG_BLKNOS */ - if (isnullstartblock(v)) { - r->l0 |= (xfs_bmbt_rec_base_t)xfs_mask64lo(9); - r->l1 = (xfs_bmbt_rec_base_t)xfs_mask64hi(11) | - ((xfs_bmbt_rec_base_t)v << 21) | - (r->l1 & (xfs_bmbt_rec_base_t)xfs_mask64lo(21)); - } else { - r->l0 &= ~(xfs_bmbt_rec_base_t)xfs_mask64lo(9); - r->l1 = ((xfs_bmbt_rec_base_t)v << 21) | - (r->l1 & (xfs_bmbt_rec_base_t)xfs_mask64lo(21)); - } -#endif /* XFS_BIG_BLKNOS */ } /* @@ -438,8 +357,8 @@ xfs_bmbt_to_bmdr( cpu_to_be64(XFS_BUF_DADDR_NULL)); } else ASSERT(rblock->bb_magic == cpu_to_be32(XFS_BMAP_MAGIC)); - ASSERT(rblock->bb_u.l.bb_leftsib == cpu_to_be64(NULLDFSBNO)); - ASSERT(rblock->bb_u.l.bb_rightsib == cpu_to_be64(NULLDFSBNO)); + ASSERT(rblock->bb_u.l.bb_leftsib == cpu_to_be64(NULLFSBLOCK)); + ASSERT(rblock->bb_u.l.bb_rightsib == cpu_to_be64(NULLFSBLOCK)); ASSERT(rblock->bb_level != 0); dblock->bb_level = rblock->bb_level; dblock->bb_numrecs = rblock->bb_numrecs; @@ -554,7 +473,7 @@ xfs_bmbt_alloc_block( args.minlen = args.maxlen = args.prod = 1; args.wasdel = cur->bc_private.b.flags & XFS_BTCUR_BPRV_WASDEL; if (!args.wasdel && xfs_trans_get_block_res(args.tp) == 0) { - error = XFS_ERROR(ENOSPC); + error = -ENOSPC; goto error0; } error = xfs_alloc_vextent(&args); @@ -763,11 +682,11 @@ xfs_bmbt_verify( /* sibling pointer verification */ if (!block->bb_u.l.bb_leftsib || - (block->bb_u.l.bb_leftsib != cpu_to_be64(NULLDFSBNO) && + (block->bb_u.l.bb_leftsib != cpu_to_be64(NULLFSBLOCK) && !XFS_FSB_SANITY_CHECK(mp, be64_to_cpu(block->bb_u.l.bb_leftsib)))) return false; if (!block->bb_u.l.bb_rightsib || - (block->bb_u.l.bb_rightsib != cpu_to_be64(NULLDFSBNO) && + (block->bb_u.l.bb_rightsib != cpu_to_be64(NULLFSBLOCK) && !XFS_FSB_SANITY_CHECK(mp, be64_to_cpu(block->bb_u.l.bb_rightsib)))) return false; @@ -779,9 +698,9 @@ xfs_bmbt_read_verify( struct xfs_buf *bp) { if (!xfs_btree_lblock_verify_crc(bp)) - xfs_buf_ioerror(bp, EFSBADCRC); + xfs_buf_ioerror(bp, -EFSBADCRC); else if (!xfs_bmbt_verify(bp)) - xfs_buf_ioerror(bp, EFSCORRUPTED); + xfs_buf_ioerror(bp, -EFSCORRUPTED); if (bp->b_error) { trace_xfs_btree_corrupt(bp, _RET_IP_); @@ -795,7 +714,7 @@ xfs_bmbt_write_verify( { if (!xfs_bmbt_verify(bp)) { trace_xfs_btree_corrupt(bp, _RET_IP_); - xfs_buf_ioerror(bp, EFSCORRUPTED); + xfs_buf_ioerror(bp, -EFSCORRUPTED); xfs_verifier_error(bp); return; } @@ -959,7 +878,7 @@ xfs_bmbt_change_owner( cur = xfs_bmbt_init_cursor(ip->i_mount, tp, ip, whichfork); if (!cur) - return ENOMEM; + return -ENOMEM; error = xfs_btree_change_owner(cur, new_owner, buffer_list); xfs_btree_del_cursor(cur, error ? XFS_BTREE_ERROR : XFS_BTREE_NOERROR); diff --git a/fs/xfs/xfs_bmap_btree.h b/fs/xfs/libxfs/xfs_bmap_btree.h index 819a8a4dee95..819a8a4dee95 100644 --- a/fs/xfs/xfs_bmap_btree.h +++ b/fs/xfs/libxfs/xfs_bmap_btree.h diff --git a/fs/xfs/xfs_btree.c b/fs/xfs/libxfs/xfs_btree.c index cf893bc1e373..8fe6a93ff473 100644 --- a/fs/xfs/xfs_btree.c +++ b/fs/xfs/libxfs/xfs_btree.c @@ -78,11 +78,11 @@ xfs_btree_check_lblock( be16_to_cpu(block->bb_numrecs) <= cur->bc_ops->get_maxrecs(cur, level) && block->bb_u.l.bb_leftsib && - (block->bb_u.l.bb_leftsib == cpu_to_be64(NULLDFSBNO) || + (block->bb_u.l.bb_leftsib == cpu_to_be64(NULLFSBLOCK) || XFS_FSB_SANITY_CHECK(mp, be64_to_cpu(block->bb_u.l.bb_leftsib))) && block->bb_u.l.bb_rightsib && - (block->bb_u.l.bb_rightsib == cpu_to_be64(NULLDFSBNO) || + (block->bb_u.l.bb_rightsib == cpu_to_be64(NULLFSBLOCK) || XFS_FSB_SANITY_CHECK(mp, be64_to_cpu(block->bb_u.l.bb_rightsib))); @@ -92,7 +92,7 @@ xfs_btree_check_lblock( if (bp) trace_xfs_btree_corrupt(bp, _RET_IP_); XFS_ERROR_REPORT(__func__, XFS_ERRLEVEL_LOW, mp); - return XFS_ERROR(EFSCORRUPTED); + return -EFSCORRUPTED; } return 0; } @@ -140,7 +140,7 @@ xfs_btree_check_sblock( if (bp) trace_xfs_btree_corrupt(bp, _RET_IP_); XFS_ERROR_REPORT(__func__, XFS_ERRLEVEL_LOW, mp); - return XFS_ERROR(EFSCORRUPTED); + return -EFSCORRUPTED; } return 0; } @@ -167,12 +167,12 @@ xfs_btree_check_block( int /* error (0 or EFSCORRUPTED) */ xfs_btree_check_lptr( struct xfs_btree_cur *cur, /* btree cursor */ - xfs_dfsbno_t bno, /* btree block disk address */ + xfs_fsblock_t bno, /* btree block disk address */ int level) /* btree block level */ { XFS_WANT_CORRUPTED_RETURN( level > 0 && - bno != NULLDFSBNO && + bno != NULLFSBLOCK && XFS_FSB_SANITY_CHECK(cur->bc_mp, bno)); return 0; } @@ -595,7 +595,7 @@ xfs_btree_islastblock( block = xfs_btree_get_block(cur, level, &bp); xfs_btree_check_block(cur, block, level, bp); if (cur->bc_flags & XFS_BTREE_LONG_PTRS) - return block->bb_u.l.bb_rightsib == cpu_to_be64(NULLDFSBNO); + return block->bb_u.l.bb_rightsib == cpu_to_be64(NULLFSBLOCK); else return block->bb_u.s.bb_rightsib == cpu_to_be32(NULLAGBLOCK); } @@ -771,16 +771,16 @@ xfs_btree_readahead_lblock( struct xfs_btree_block *block) { int rval = 0; - xfs_dfsbno_t left = be64_to_cpu(block->bb_u.l.bb_leftsib); - xfs_dfsbno_t right = be64_to_cpu(block->bb_u.l.bb_rightsib); + xfs_fsblock_t left = be64_to_cpu(block->bb_u.l.bb_leftsib); + xfs_fsblock_t right = be64_to_cpu(block->bb_u.l.bb_rightsib); - if ((lr & XFS_BTCUR_LEFTRA) && left != NULLDFSBNO) { + if ((lr & XFS_BTCUR_LEFTRA) && left != NULLFSBLOCK) { xfs_btree_reada_bufl(cur->bc_mp, left, 1, cur->bc_ops->buf_ops); rval++; } - if ((lr & XFS_BTCUR_RIGHTRA) && right != NULLDFSBNO) { + if ((lr & XFS_BTCUR_RIGHTRA) && right != NULLFSBLOCK) { xfs_btree_reada_bufl(cur->bc_mp, right, 1, cur->bc_ops->buf_ops); rval++; @@ -852,7 +852,7 @@ xfs_btree_ptr_to_daddr( union xfs_btree_ptr *ptr) { if (cur->bc_flags & XFS_BTREE_LONG_PTRS) { - ASSERT(ptr->l != cpu_to_be64(NULLDFSBNO)); + ASSERT(ptr->l != cpu_to_be64(NULLFSBLOCK)); return XFS_FSB_TO_DADDR(cur->bc_mp, be64_to_cpu(ptr->l)); } else { @@ -900,9 +900,9 @@ xfs_btree_setbuf( b = XFS_BUF_TO_BLOCK(bp); if (cur->bc_flags & XFS_BTREE_LONG_PTRS) { - if (b->bb_u.l.bb_leftsib == cpu_to_be64(NULLDFSBNO)) + if (b->bb_u.l.bb_leftsib == cpu_to_be64(NULLFSBLOCK)) cur->bc_ra[lev] |= XFS_BTCUR_LEFTRA; - if (b->bb_u.l.bb_rightsib == cpu_to_be64(NULLDFSBNO)) + if (b->bb_u.l.bb_rightsib == cpu_to_be64(NULLFSBLOCK)) cur->bc_ra[lev] |= XFS_BTCUR_RIGHTRA; } else { if (b->bb_u.s.bb_leftsib == cpu_to_be32(NULLAGBLOCK)) @@ -918,7 +918,7 @@ xfs_btree_ptr_is_null( union xfs_btree_ptr *ptr) { if (cur->bc_flags & XFS_BTREE_LONG_PTRS) - return ptr->l == cpu_to_be64(NULLDFSBNO); + return ptr->l == cpu_to_be64(NULLFSBLOCK); else return ptr->s == cpu_to_be32(NULLAGBLOCK); } @@ -929,7 +929,7 @@ xfs_btree_set_ptr_null( union xfs_btree_ptr *ptr) { if (cur->bc_flags & XFS_BTREE_LONG_PTRS) - ptr->l = cpu_to_be64(NULLDFSBNO); + ptr->l = cpu_to_be64(NULLFSBLOCK); else ptr->s = cpu_to_be32(NULLAGBLOCK); } @@ -997,8 +997,8 @@ xfs_btree_init_block_int( buf->bb_numrecs = cpu_to_be16(numrecs); if (flags & XFS_BTREE_LONG_PTRS) { - buf->bb_u.l.bb_leftsib = cpu_to_be64(NULLDFSBNO); - buf->bb_u.l.bb_rightsib = cpu_to_be64(NULLDFSBNO); + buf->bb_u.l.bb_leftsib = cpu_to_be64(NULLFSBLOCK); + buf->bb_u.l.bb_rightsib = cpu_to_be64(NULLFSBLOCK); if (flags & XFS_BTREE_CRC_BLOCKS) { buf->bb_u.l.bb_blkno = cpu_to_be64(blkno); buf->bb_u.l.bb_owner = cpu_to_be64(owner); @@ -1140,7 +1140,7 @@ xfs_btree_get_buf_block( mp->m_bsize, flags); if (!*bpp) - return ENOMEM; + return -ENOMEM; (*bpp)->b_ops = cur->bc_ops->buf_ops; *block = XFS_BUF_TO_BLOCK(*bpp); @@ -1498,7 +1498,7 @@ xfs_btree_increment( if (cur->bc_flags & XFS_BTREE_ROOT_IN_INODE) goto out0; ASSERT(0); - error = EFSCORRUPTED; + error = -EFSCORRUPTED; goto error0; } ASSERT(lev < cur->bc_nlevels); @@ -1597,7 +1597,7 @@ xfs_btree_decrement( if (cur->bc_flags & XFS_BTREE_ROOT_IN_INODE) goto out0; ASSERT(0); - error = EFSCORRUPTED; + error = -EFSCORRUPTED; goto error0; } ASSERT(lev < cur->bc_nlevels); @@ -4018,7 +4018,7 @@ xfs_btree_block_change_owner( /* now read rh sibling block for next iteration */ xfs_btree_get_sibling(cur, block, &rptr, XFS_BB_RIGHTSIB); if (xfs_btree_ptr_is_null(cur, &rptr)) - return ENOENT; + return -ENOENT; return xfs_btree_lookup_get_block(cur, level, &rptr, &block); } @@ -4061,7 +4061,7 @@ xfs_btree_change_owner( buffer_list); } while (!error); - if (error != ENOENT) + if (error != -ENOENT) return error; } diff --git a/fs/xfs/xfs_btree.h b/fs/xfs/libxfs/xfs_btree.h index a04b69422f67..8f18bab73ea5 100644 --- a/fs/xfs/xfs_btree.h +++ b/fs/xfs/libxfs/xfs_btree.h @@ -258,7 +258,7 @@ xfs_btree_check_block( int /* error (0 or EFSCORRUPTED) */ xfs_btree_check_lptr( struct xfs_btree_cur *cur, /* btree cursor */ - xfs_dfsbno_t ptr, /* btree block disk address */ + xfs_fsblock_t ptr, /* btree block disk address */ int level); /* btree block level */ /* diff --git a/fs/xfs/xfs_cksum.h b/fs/xfs/libxfs/xfs_cksum.h index fad1676ad8cd..fad1676ad8cd 100644 --- a/fs/xfs/xfs_cksum.h +++ b/fs/xfs/libxfs/xfs_cksum.h diff --git a/fs/xfs/xfs_da_btree.c b/fs/xfs/libxfs/xfs_da_btree.c index a514ab616650..2c42ae28d027 100644 --- a/fs/xfs/xfs_da_btree.c +++ b/fs/xfs/libxfs/xfs_da_btree.c @@ -185,7 +185,7 @@ xfs_da3_node_write_verify( struct xfs_da3_node_hdr *hdr3 = bp->b_addr; if (!xfs_da3_node_verify(bp)) { - xfs_buf_ioerror(bp, EFSCORRUPTED); + xfs_buf_ioerror(bp, -EFSCORRUPTED); xfs_verifier_error(bp); return; } @@ -214,13 +214,13 @@ xfs_da3_node_read_verify( switch (be16_to_cpu(info->magic)) { case XFS_DA3_NODE_MAGIC: if (!xfs_buf_verify_cksum(bp, XFS_DA3_NODE_CRC_OFF)) { - xfs_buf_ioerror(bp, EFSBADCRC); + xfs_buf_ioerror(bp, -EFSBADCRC); break; } /* fall through */ case XFS_DA_NODE_MAGIC: if (!xfs_da3_node_verify(bp)) { - xfs_buf_ioerror(bp, EFSCORRUPTED); + xfs_buf_ioerror(bp, -EFSCORRUPTED); break; } return; @@ -315,7 +315,7 @@ xfs_da3_node_create( error = xfs_da_get_buf(tp, dp, blkno, -1, &bp, whichfork); if (error) - return(error); + return error; bp->b_ops = &xfs_da3_node_buf_ops; xfs_trans_buf_set_type(tp, bp, XFS_BLFT_DA_NODE_BUF); node = bp->b_addr; @@ -337,7 +337,7 @@ xfs_da3_node_create( XFS_DA_LOGRANGE(node, &node->hdr, dp->d_ops->node_hdr_size)); *bpp = bp; - return(0); + return 0; } /* @@ -385,8 +385,8 @@ xfs_da3_split( switch (oldblk->magic) { case XFS_ATTR_LEAF_MAGIC: error = xfs_attr3_leaf_split(state, oldblk, newblk); - if ((error != 0) && (error != ENOSPC)) { - return(error); /* GROT: attr is inconsistent */ + if ((error != 0) && (error != -ENOSPC)) { + return error; /* GROT: attr is inconsistent */ } if (!error) { addblk = newblk; @@ -408,7 +408,7 @@ xfs_da3_split( &state->extrablk); } if (error) - return(error); /* GROT: attr inconsistent */ + return error; /* GROT: attr inconsistent */ addblk = newblk; break; case XFS_DIR2_LEAFN_MAGIC: @@ -422,7 +422,7 @@ xfs_da3_split( max - i, &action); addblk->bp = NULL; if (error) - return(error); /* GROT: dir is inconsistent */ + return error; /* GROT: dir is inconsistent */ /* * Record the newly split block for the next time thru? */ @@ -439,7 +439,7 @@ xfs_da3_split( xfs_da3_fixhashpath(state, &state->path); } if (!addblk) - return(0); + return 0; /* * Split the root node. @@ -449,7 +449,7 @@ xfs_da3_split( error = xfs_da3_root_split(state, oldblk, addblk); if (error) { addblk->bp = NULL; - return(error); /* GROT: dir is inconsistent */ + return error; /* GROT: dir is inconsistent */ } /* @@ -492,7 +492,7 @@ xfs_da3_split( sizeof(node->hdr.info))); } addblk->bp = NULL; - return(0); + return 0; } /* @@ -670,18 +670,18 @@ xfs_da3_node_split( */ error = xfs_da_grow_inode(state->args, &blkno); if (error) - return(error); /* GROT: dir is inconsistent */ + return error; /* GROT: dir is inconsistent */ error = xfs_da3_node_create(state->args, blkno, treelevel, &newblk->bp, state->args->whichfork); if (error) - return(error); /* GROT: dir is inconsistent */ + return error; /* GROT: dir is inconsistent */ newblk->blkno = blkno; newblk->magic = XFS_DA_NODE_MAGIC; xfs_da3_node_rebalance(state, oldblk, newblk); error = xfs_da3_blk_link(state, oldblk, newblk); if (error) - return(error); + return error; *result = 1; } else { *result = 0; @@ -721,7 +721,7 @@ xfs_da3_node_split( } } - return(0); + return 0; } /* @@ -963,9 +963,9 @@ xfs_da3_join( case XFS_ATTR_LEAF_MAGIC: error = xfs_attr3_leaf_toosmall(state, &action); if (error) - return(error); + return error; if (action == 0) - return(0); + return 0; xfs_attr3_leaf_unbalance(state, drop_blk, save_blk); break; case XFS_DIR2_LEAFN_MAGIC: @@ -985,7 +985,7 @@ xfs_da3_join( xfs_da3_fixhashpath(state, &state->path); error = xfs_da3_node_toosmall(state, &action); if (error) - return(error); + return error; if (action == 0) return 0; xfs_da3_node_unbalance(state, drop_blk, save_blk); @@ -995,12 +995,12 @@ xfs_da3_join( error = xfs_da3_blk_unlink(state, drop_blk, save_blk); xfs_da_state_kill_altpath(state); if (error) - return(error); + return error; error = xfs_da_shrink_inode(state->args, drop_blk->blkno, drop_blk->bp); drop_blk->bp = NULL; if (error) - return(error); + return error; } /* * We joined all the way to the top. If it turns out that @@ -1010,7 +1010,7 @@ xfs_da3_join( xfs_da3_node_remove(state, drop_blk); xfs_da3_fixhashpath(state, &state->path); error = xfs_da3_root_join(state, &state->path.blk[0]); - return(error); + return error; } #ifdef DEBUG @@ -1099,7 +1099,7 @@ xfs_da3_root_join( xfs_trans_log_buf(args->trans, root_blk->bp, 0, args->geo->blksize - 1); error = xfs_da_shrink_inode(args, child, bp); - return(error); + return error; } /* @@ -1142,7 +1142,7 @@ xfs_da3_node_toosmall( dp->d_ops->node_hdr_from_disk(&nodehdr, node); if (nodehdr.count > (state->args->geo->node_ents >> 1)) { *action = 0; /* blk over 50%, don't try to join */ - return(0); /* blk over 50%, don't try to join */ + return 0; /* blk over 50%, don't try to join */ } /* @@ -1161,13 +1161,13 @@ xfs_da3_node_toosmall( error = xfs_da3_path_shift(state, &state->altpath, forward, 0, &retval); if (error) - return(error); + return error; if (retval) { *action = 0; } else { *action = 2; } - return(0); + return 0; } /* @@ -1194,7 +1194,7 @@ xfs_da3_node_toosmall( error = xfs_da3_node_read(state->args->trans, dp, blkno, -1, &bp, state->args->whichfork); if (error) - return(error); + return error; node = bp->b_addr; dp->d_ops->node_hdr_from_disk(&thdr, node); @@ -1486,7 +1486,7 @@ xfs_da3_node_lookup_int( if (error) { blk->blkno = 0; state->path.active--; - return(error); + return error; } curr = blk->bp->b_addr; blk->magic = be16_to_cpu(curr->magic); @@ -1579,25 +1579,25 @@ xfs_da3_node_lookup_int( args->blkno = blk->blkno; } else { ASSERT(0); - return XFS_ERROR(EFSCORRUPTED); + return -EFSCORRUPTED; } - if (((retval == ENOENT) || (retval == ENOATTR)) && + if (((retval == -ENOENT) || (retval == -ENOATTR)) && (blk->hashval == args->hashval)) { error = xfs_da3_path_shift(state, &state->path, 1, 1, &retval); if (error) - return(error); + return error; if (retval == 0) { continue; } else if (blk->magic == XFS_ATTR_LEAF_MAGIC) { /* path_shift() gives ENOENT */ - retval = XFS_ERROR(ENOATTR); + retval = -ENOATTR; } } break; } *result = retval; - return(0); + return 0; } /*======================================================================== @@ -1692,7 +1692,7 @@ xfs_da3_blk_link( be32_to_cpu(old_info->back), -1, &bp, args->whichfork); if (error) - return(error); + return error; ASSERT(bp != NULL); tmp_info = bp->b_addr; ASSERT(tmp_info->magic == old_info->magic); @@ -1713,7 +1713,7 @@ xfs_da3_blk_link( be32_to_cpu(old_info->forw), -1, &bp, args->whichfork); if (error) - return(error); + return error; ASSERT(bp != NULL); tmp_info = bp->b_addr; ASSERT(tmp_info->magic == old_info->magic); @@ -1726,7 +1726,7 @@ xfs_da3_blk_link( xfs_trans_log_buf(args->trans, old_blk->bp, 0, sizeof(*tmp_info) - 1); xfs_trans_log_buf(args->trans, new_blk->bp, 0, sizeof(*tmp_info) - 1); - return(0); + return 0; } /* @@ -1772,7 +1772,7 @@ xfs_da3_blk_unlink( be32_to_cpu(drop_info->back), -1, &bp, args->whichfork); if (error) - return(error); + return error; ASSERT(bp != NULL); tmp_info = bp->b_addr; ASSERT(tmp_info->magic == save_info->magic); @@ -1789,7 +1789,7 @@ xfs_da3_blk_unlink( be32_to_cpu(drop_info->forw), -1, &bp, args->whichfork); if (error) - return(error); + return error; ASSERT(bp != NULL); tmp_info = bp->b_addr; ASSERT(tmp_info->magic == save_info->magic); @@ -1801,7 +1801,7 @@ xfs_da3_blk_unlink( } xfs_trans_log_buf(args->trans, save_blk->bp, 0, sizeof(*save_info) - 1); - return(0); + return 0; } /* @@ -1859,9 +1859,9 @@ xfs_da3_path_shift( } } if (level < 0) { - *result = XFS_ERROR(ENOENT); /* we're out of our tree */ + *result = -ENOENT; /* we're out of our tree */ ASSERT(args->op_flags & XFS_DA_OP_OKNOENT); - return(0); + return 0; } /* @@ -1883,7 +1883,7 @@ xfs_da3_path_shift( error = xfs_da3_node_read(args->trans, dp, blkno, -1, &blk->bp, args->whichfork); if (error) - return(error); + return error; info = blk->bp->b_addr; ASSERT(info->magic == cpu_to_be16(XFS_DA_NODE_MAGIC) || info->magic == cpu_to_be16(XFS_DA3_NODE_MAGIC) || @@ -2004,7 +2004,7 @@ xfs_da_grow_inode_int( struct xfs_trans *tp = args->trans; struct xfs_inode *dp = args->dp; int w = args->whichfork; - xfs_drfsbno_t nblks = dp->i_d.di_nblocks; + xfs_rfsblock_t nblks = dp->i_d.di_nblocks; struct xfs_bmbt_irec map, *mapp; int nmap, error, got, i, mapi; @@ -2068,7 +2068,7 @@ xfs_da_grow_inode_int( if (got != count || mapp[0].br_startoff != *bno || mapp[mapi - 1].br_startoff + mapp[mapi - 1].br_blockcount != *bno + count) { - error = XFS_ERROR(ENOSPC); + error = -ENOSPC; goto out_free_map; } @@ -2158,7 +2158,7 @@ xfs_da3_swap_lastblock( if (unlikely(lastoff == 0)) { XFS_ERROR_REPORT("xfs_da_swap_lastblock(1)", XFS_ERRLEVEL_LOW, mp); - return XFS_ERROR(EFSCORRUPTED); + return -EFSCORRUPTED; } /* * Read the last block in the btree space. @@ -2209,7 +2209,7 @@ xfs_da3_swap_lastblock( sib_info->magic != dead_info->magic)) { XFS_ERROR_REPORT("xfs_da_swap_lastblock(2)", XFS_ERRLEVEL_LOW, mp); - error = XFS_ERROR(EFSCORRUPTED); + error = -EFSCORRUPTED; goto done; } sib_info->forw = cpu_to_be32(dead_blkno); @@ -2231,7 +2231,7 @@ xfs_da3_swap_lastblock( sib_info->magic != dead_info->magic)) { XFS_ERROR_REPORT("xfs_da_swap_lastblock(3)", XFS_ERRLEVEL_LOW, mp); - error = XFS_ERROR(EFSCORRUPTED); + error = -EFSCORRUPTED; goto done; } sib_info->back = cpu_to_be32(dead_blkno); @@ -2254,7 +2254,7 @@ xfs_da3_swap_lastblock( if (level >= 0 && level != par_hdr.level + 1) { XFS_ERROR_REPORT("xfs_da_swap_lastblock(4)", XFS_ERRLEVEL_LOW, mp); - error = XFS_ERROR(EFSCORRUPTED); + error = -EFSCORRUPTED; goto done; } level = par_hdr.level; @@ -2267,7 +2267,7 @@ xfs_da3_swap_lastblock( if (entno == par_hdr.count) { XFS_ERROR_REPORT("xfs_da_swap_lastblock(5)", XFS_ERRLEVEL_LOW, mp); - error = XFS_ERROR(EFSCORRUPTED); + error = -EFSCORRUPTED; goto done; } par_blkno = be32_to_cpu(btree[entno].before); @@ -2294,7 +2294,7 @@ xfs_da3_swap_lastblock( if (unlikely(par_blkno == 0)) { XFS_ERROR_REPORT("xfs_da_swap_lastblock(6)", XFS_ERRLEVEL_LOW, mp); - error = XFS_ERROR(EFSCORRUPTED); + error = -EFSCORRUPTED; goto done; } error = xfs_da3_node_read(tp, dp, par_blkno, -1, &par_buf, w); @@ -2305,7 +2305,7 @@ xfs_da3_swap_lastblock( if (par_hdr.level != level) { XFS_ERROR_REPORT("xfs_da_swap_lastblock(7)", XFS_ERRLEVEL_LOW, mp); - error = XFS_ERROR(EFSCORRUPTED); + error = -EFSCORRUPTED; goto done; } btree = dp->d_ops->node_tree_p(par_node); @@ -2359,7 +2359,7 @@ xfs_da_shrink_inode( error = xfs_bunmapi(tp, dp, dead_blkno, count, xfs_bmapi_aflag(w)|XFS_BMAPI_METADATA, 0, args->firstblock, args->flist, &done); - if (error == ENOSPC) { + if (error == -ENOSPC) { if (w != XFS_DATA_FORK) break; error = xfs_da3_swap_lastblock(args, &dead_blkno, @@ -2427,7 +2427,7 @@ xfs_buf_map_from_irec( map = kmem_zalloc(nirecs * sizeof(struct xfs_buf_map), KM_SLEEP | KM_NOFS); if (!map) - return ENOMEM; + return -ENOMEM; *mapp = map; } @@ -2500,8 +2500,8 @@ xfs_dabuf_map( } if (!xfs_da_map_covers_blocks(nirecs, irecs, bno, nfsb)) { - error = mappedbno == -2 ? -1 : XFS_ERROR(EFSCORRUPTED); - if (unlikely(error == EFSCORRUPTED)) { + error = mappedbno == -2 ? -1 : -EFSCORRUPTED; + if (unlikely(error == -EFSCORRUPTED)) { if (xfs_error_level >= XFS_ERRLEVEL_LOW) { int i; xfs_alert(mp, "%s: bno %lld dir: inode %lld", @@ -2561,7 +2561,7 @@ xfs_da_get_buf( bp = xfs_trans_get_buf_map(trans, dp->i_mount->m_ddev_targp, mapp, nmap, 0); - error = bp ? bp->b_error : XFS_ERROR(EIO); + error = bp ? bp->b_error : -EIO; if (error) { xfs_trans_brelse(trans, bp); goto out_free; diff --git a/fs/xfs/xfs_da_btree.h b/fs/xfs/libxfs/xfs_da_btree.h index 6e153e399a77..6e153e399a77 100644 --- a/fs/xfs/xfs_da_btree.h +++ b/fs/xfs/libxfs/xfs_da_btree.h diff --git a/fs/xfs/xfs_da_format.c b/fs/xfs/libxfs/xfs_da_format.c index c9aee52a37e2..c9aee52a37e2 100644 --- a/fs/xfs/xfs_da_format.c +++ b/fs/xfs/libxfs/xfs_da_format.c diff --git a/fs/xfs/xfs_da_format.h b/fs/xfs/libxfs/xfs_da_format.h index 0a49b0286372..0a49b0286372 100644 --- a/fs/xfs/xfs_da_format.h +++ b/fs/xfs/libxfs/xfs_da_format.h diff --git a/fs/xfs/xfs_dinode.h b/fs/xfs/libxfs/xfs_dinode.h index 623bbe8fd921..623bbe8fd921 100644 --- a/fs/xfs/xfs_dinode.h +++ b/fs/xfs/libxfs/xfs_dinode.h diff --git a/fs/xfs/xfs_dir2.c b/fs/xfs/libxfs/xfs_dir2.c index 79670cda48ae..6cef22152fd6 100644 --- a/fs/xfs/xfs_dir2.c +++ b/fs/xfs/libxfs/xfs_dir2.c @@ -108,7 +108,7 @@ xfs_da_mount( if (!mp->m_dir_geo || !mp->m_attr_geo) { kmem_free(mp->m_dir_geo); kmem_free(mp->m_attr_geo); - return ENOMEM; + return -ENOMEM; } /* set up directory geometry */ @@ -202,7 +202,7 @@ xfs_dir_ino_validate( xfs_warn(mp, "Invalid inode number 0x%Lx", (unsigned long long) ino); XFS_ERROR_REPORT("xfs_dir_ino_validate", XFS_ERRLEVEL_LOW, mp); - return XFS_ERROR(EFSCORRUPTED); + return -EFSCORRUPTED; } return 0; } @@ -226,7 +226,7 @@ xfs_dir_init( args = kmem_zalloc(sizeof(*args), KM_SLEEP | KM_NOFS); if (!args) - return ENOMEM; + return -ENOMEM; args->geo = dp->i_mount->m_dir_geo; args->dp = dp; @@ -261,7 +261,7 @@ xfs_dir_createname( args = kmem_zalloc(sizeof(*args), KM_SLEEP | KM_NOFS); if (!args) - return ENOMEM; + return -ENOMEM; args->geo = dp->i_mount->m_dir_geo; args->name = name->name; @@ -314,18 +314,18 @@ xfs_dir_cilookup_result( int len) { if (args->cmpresult == XFS_CMP_DIFFERENT) - return ENOENT; + return -ENOENT; if (args->cmpresult != XFS_CMP_CASE || !(args->op_flags & XFS_DA_OP_CILOOKUP)) - return EEXIST; + return -EEXIST; args->value = kmem_alloc(len, KM_NOFS | KM_MAYFAIL); if (!args->value) - return ENOMEM; + return -ENOMEM; memcpy(args->value, name, len); args->valuelen = len; - return EEXIST; + return -EEXIST; } /* @@ -392,7 +392,7 @@ xfs_dir_lookup( rval = xfs_dir2_node_lookup(args); out_check_rval: - if (rval == EEXIST) + if (rval == -EEXIST) rval = 0; if (!rval) { *inum = args->inumber; @@ -428,7 +428,7 @@ xfs_dir_removename( args = kmem_zalloc(sizeof(*args), KM_SLEEP | KM_NOFS); if (!args) - return ENOMEM; + return -ENOMEM; args->geo = dp->i_mount->m_dir_geo; args->name = name->name; @@ -493,7 +493,7 @@ xfs_dir_replace( args = kmem_zalloc(sizeof(*args), KM_SLEEP | KM_NOFS); if (!args) - return ENOMEM; + return -ENOMEM; args->geo = dp->i_mount->m_dir_geo; args->name = name->name; @@ -555,7 +555,7 @@ xfs_dir_canenter( args = kmem_zalloc(sizeof(*args), KM_SLEEP | KM_NOFS); if (!args) - return ENOMEM; + return -ENOMEM; args->geo = dp->i_mount->m_dir_geo; args->name = name->name; diff --git a/fs/xfs/xfs_dir2.h b/fs/xfs/libxfs/xfs_dir2.h index c8e86b0b5e99..c8e86b0b5e99 100644 --- a/fs/xfs/xfs_dir2.h +++ b/fs/xfs/libxfs/xfs_dir2.h diff --git a/fs/xfs/xfs_dir2_block.c b/fs/xfs/libxfs/xfs_dir2_block.c index c7cd3154026a..9628ceccfa02 100644 --- a/fs/xfs/xfs_dir2_block.c +++ b/fs/xfs/libxfs/xfs_dir2_block.c @@ -91,9 +91,9 @@ xfs_dir3_block_read_verify( if (xfs_sb_version_hascrc(&mp->m_sb) && !xfs_buf_verify_cksum(bp, XFS_DIR3_DATA_CRC_OFF)) - xfs_buf_ioerror(bp, EFSBADCRC); + xfs_buf_ioerror(bp, -EFSBADCRC); else if (!xfs_dir3_block_verify(bp)) - xfs_buf_ioerror(bp, EFSCORRUPTED); + xfs_buf_ioerror(bp, -EFSCORRUPTED); if (bp->b_error) xfs_verifier_error(bp); @@ -108,7 +108,7 @@ xfs_dir3_block_write_verify( struct xfs_dir3_blk_hdr *hdr3 = bp->b_addr; if (!xfs_dir3_block_verify(bp)) { - xfs_buf_ioerror(bp, EFSCORRUPTED); + xfs_buf_ioerror(bp, -EFSCORRUPTED); xfs_verifier_error(bp); return; } @@ -392,7 +392,7 @@ xfs_dir2_block_addname( if (args->op_flags & XFS_DA_OP_JUSTCHECK) { xfs_trans_brelse(tp, bp); if (!dup) - return XFS_ERROR(ENOSPC); + return -ENOSPC; return 0; } @@ -402,7 +402,7 @@ xfs_dir2_block_addname( if (!dup) { /* Don't have a space reservation: return no-space. */ if (args->total == 0) - return XFS_ERROR(ENOSPC); + return -ENOSPC; /* * Convert to the next larger format. * Then add the new entry in that format. @@ -647,7 +647,7 @@ xfs_dir2_block_lookup( args->filetype = dp->d_ops->data_get_ftype(dep); error = xfs_dir_cilookup_result(args, dep->name, dep->namelen); xfs_trans_brelse(args->trans, bp); - return XFS_ERROR(error); + return error; } /* @@ -703,7 +703,7 @@ xfs_dir2_block_lookup_int( if (low > high) { ASSERT(args->op_flags & XFS_DA_OP_OKNOENT); xfs_trans_brelse(tp, bp); - return XFS_ERROR(ENOENT); + return -ENOENT; } } /* @@ -751,7 +751,7 @@ xfs_dir2_block_lookup_int( * No match, release the buffer and return ENOENT. */ xfs_trans_brelse(tp, bp); - return XFS_ERROR(ENOENT); + return -ENOENT; } /* @@ -1091,7 +1091,7 @@ xfs_dir2_sf_to_block( */ if (dp->i_d.di_size < offsetof(xfs_dir2_sf_hdr_t, parent)) { ASSERT(XFS_FORCED_SHUTDOWN(mp)); - return XFS_ERROR(EIO); + return -EIO; } oldsfp = (xfs_dir2_sf_hdr_t *)ifp->if_u1.if_data; diff --git a/fs/xfs/xfs_dir2_data.c b/fs/xfs/libxfs/xfs_dir2_data.c index 8c2f6422648e..fdd803fecb8e 100644 --- a/fs/xfs/xfs_dir2_data.c +++ b/fs/xfs/libxfs/xfs_dir2_data.c @@ -100,7 +100,7 @@ __xfs_dir3_data_check( break; default: XFS_ERROR_REPORT("Bad Magic", XFS_ERRLEVEL_LOW, mp); - return EFSCORRUPTED; + return -EFSCORRUPTED; } /* @@ -256,7 +256,7 @@ xfs_dir3_data_reada_verify( xfs_dir3_data_verify(bp); return; default: - xfs_buf_ioerror(bp, EFSCORRUPTED); + xfs_buf_ioerror(bp, -EFSCORRUPTED); xfs_verifier_error(bp); break; } @@ -270,9 +270,9 @@ xfs_dir3_data_read_verify( if (xfs_sb_version_hascrc(&mp->m_sb) && !xfs_buf_verify_cksum(bp, XFS_DIR3_DATA_CRC_OFF)) - xfs_buf_ioerror(bp, EFSBADCRC); + xfs_buf_ioerror(bp, -EFSBADCRC); else if (!xfs_dir3_data_verify(bp)) - xfs_buf_ioerror(bp, EFSCORRUPTED); + xfs_buf_ioerror(bp, -EFSCORRUPTED); if (bp->b_error) xfs_verifier_error(bp); @@ -287,7 +287,7 @@ xfs_dir3_data_write_verify( struct xfs_dir3_blk_hdr *hdr3 = bp->b_addr; if (!xfs_dir3_data_verify(bp)) { - xfs_buf_ioerror(bp, EFSCORRUPTED); + xfs_buf_ioerror(bp, -EFSCORRUPTED); xfs_verifier_error(bp); return; } diff --git a/fs/xfs/xfs_dir2_leaf.c b/fs/xfs/libxfs/xfs_dir2_leaf.c index fb0aad4440c1..a19174eb3cb2 100644 --- a/fs/xfs/xfs_dir2_leaf.c +++ b/fs/xfs/libxfs/xfs_dir2_leaf.c @@ -183,9 +183,9 @@ __read_verify( if (xfs_sb_version_hascrc(&mp->m_sb) && !xfs_buf_verify_cksum(bp, XFS_DIR3_LEAF_CRC_OFF)) - xfs_buf_ioerror(bp, EFSBADCRC); + xfs_buf_ioerror(bp, -EFSBADCRC); else if (!xfs_dir3_leaf_verify(bp, magic)) - xfs_buf_ioerror(bp, EFSCORRUPTED); + xfs_buf_ioerror(bp, -EFSCORRUPTED); if (bp->b_error) xfs_verifier_error(bp); @@ -201,7 +201,7 @@ __write_verify( struct xfs_dir3_leaf_hdr *hdr3 = bp->b_addr; if (!xfs_dir3_leaf_verify(bp, magic)) { - xfs_buf_ioerror(bp, EFSCORRUPTED); + xfs_buf_ioerror(bp, -EFSCORRUPTED); xfs_verifier_error(bp); return; } @@ -731,7 +731,7 @@ xfs_dir2_leaf_addname( if ((args->op_flags & XFS_DA_OP_JUSTCHECK) || args->total == 0) { xfs_trans_brelse(tp, lbp); - return XFS_ERROR(ENOSPC); + return -ENOSPC; } /* * Convert to node form. @@ -755,7 +755,7 @@ xfs_dir2_leaf_addname( */ if (args->op_flags & XFS_DA_OP_JUSTCHECK) { xfs_trans_brelse(tp, lbp); - return use_block == -1 ? XFS_ERROR(ENOSPC) : 0; + return use_block == -1 ? -ENOSPC : 0; } /* * If no allocations are allowed, return now before we've @@ -763,7 +763,7 @@ xfs_dir2_leaf_addname( */ if (args->total == 0 && use_block == -1) { xfs_trans_brelse(tp, lbp); - return XFS_ERROR(ENOSPC); + return -ENOSPC; } /* * Need to compact the leaf entries, removing stale ones. @@ -1198,7 +1198,7 @@ xfs_dir2_leaf_lookup( error = xfs_dir_cilookup_result(args, dep->name, dep->namelen); xfs_trans_brelse(tp, dbp); xfs_trans_brelse(tp, lbp); - return XFS_ERROR(error); + return error; } /* @@ -1327,13 +1327,13 @@ xfs_dir2_leaf_lookup_int( return 0; } /* - * No match found, return ENOENT. + * No match found, return -ENOENT. */ ASSERT(cidb == -1); if (dbp) xfs_trans_brelse(tp, dbp); xfs_trans_brelse(tp, lbp); - return XFS_ERROR(ENOENT); + return -ENOENT; } /* @@ -1440,7 +1440,7 @@ xfs_dir2_leaf_removename( * Just go on, returning success, leaving the * empty block in place. */ - if (error == ENOSPC && args->total == 0) + if (error == -ENOSPC && args->total == 0) error = 0; xfs_dir3_leaf_check(dp, lbp); return error; @@ -1641,7 +1641,7 @@ xfs_dir2_leaf_trim_data( * Get rid of the data block. */ if ((error = xfs_dir2_shrink_inode(args, db, dbp))) { - ASSERT(error != ENOSPC); + ASSERT(error != -ENOSPC); xfs_trans_brelse(tp, dbp); return error; } @@ -1815,7 +1815,7 @@ xfs_dir2_node_to_leaf( * punching out the middle of an extent, and this is an * isolated block. */ - ASSERT(error != ENOSPC); + ASSERT(error != -ENOSPC); return error; } fbp = NULL; diff --git a/fs/xfs/xfs_dir2_node.c b/fs/xfs/libxfs/xfs_dir2_node.c index da43d304fca2..2ae6ac2c11ae 100644 --- a/fs/xfs/xfs_dir2_node.c +++ b/fs/xfs/libxfs/xfs_dir2_node.c @@ -117,9 +117,9 @@ xfs_dir3_free_read_verify( if (xfs_sb_version_hascrc(&mp->m_sb) && !xfs_buf_verify_cksum(bp, XFS_DIR3_FREE_CRC_OFF)) - xfs_buf_ioerror(bp, EFSBADCRC); + xfs_buf_ioerror(bp, -EFSBADCRC); else if (!xfs_dir3_free_verify(bp)) - xfs_buf_ioerror(bp, EFSCORRUPTED); + xfs_buf_ioerror(bp, -EFSCORRUPTED); if (bp->b_error) xfs_verifier_error(bp); @@ -134,7 +134,7 @@ xfs_dir3_free_write_verify( struct xfs_dir3_blk_hdr *hdr3 = bp->b_addr; if (!xfs_dir3_free_verify(bp)) { - xfs_buf_ioerror(bp, EFSCORRUPTED); + xfs_buf_ioerror(bp, -EFSCORRUPTED); xfs_verifier_error(bp); return; } @@ -406,7 +406,7 @@ xfs_dir2_leafn_add( * into other peoples memory */ if (index < 0) - return XFS_ERROR(EFSCORRUPTED); + return -EFSCORRUPTED; /* * If there are already the maximum number of leaf entries in @@ -417,7 +417,7 @@ xfs_dir2_leafn_add( if (leafhdr.count == dp->d_ops->leaf_max_ents(args->geo)) { if (!leafhdr.stale) - return XFS_ERROR(ENOSPC); + return -ENOSPC; compact = leafhdr.stale > 1; } else compact = 0; @@ -629,7 +629,7 @@ xfs_dir2_leafn_lookup_for_addname( XFS_ERRLEVEL_LOW, mp); if (curfdb != newfdb) xfs_trans_brelse(tp, curbp); - return XFS_ERROR(EFSCORRUPTED); + return -EFSCORRUPTED; } curfdb = newfdb; if (be16_to_cpu(bests[fi]) >= length) @@ -660,7 +660,7 @@ out: * Return the index, that will be the insertion point. */ *indexp = index; - return XFS_ERROR(ENOENT); + return -ENOENT; } /* @@ -789,7 +789,7 @@ xfs_dir2_leafn_lookup_for_entry( curbp->b_ops = &xfs_dir3_data_buf_ops; xfs_trans_buf_set_type(tp, curbp, XFS_BLFT_DIR_DATA_BUF); if (cmp == XFS_CMP_EXACT) - return XFS_ERROR(EEXIST); + return -EEXIST; } } ASSERT(index == leafhdr.count || (args->op_flags & XFS_DA_OP_OKNOENT)); @@ -812,7 +812,7 @@ xfs_dir2_leafn_lookup_for_entry( state->extravalid = 0; } *indexp = index; - return XFS_ERROR(ENOENT); + return -ENOENT; } /* @@ -1133,7 +1133,7 @@ xfs_dir3_data_block_free( if (error == 0) { fbp = NULL; logfree = 0; - } else if (error != ENOSPC || args->total != 0) + } else if (error != -ENOSPC || args->total != 0) return error; /* * It's possible to get ENOSPC if there is no @@ -1287,7 +1287,7 @@ xfs_dir2_leafn_remove( * In this case just drop the buffer and some one else * will eventually get rid of the empty block. */ - else if (!(error == ENOSPC && args->total == 0)) + else if (!(error == -ENOSPC && args->total == 0)) return error; } /* @@ -1599,7 +1599,7 @@ xfs_dir2_node_addname( error = xfs_da3_node_lookup_int(state, &rval); if (error) rval = error; - if (rval != ENOENT) { + if (rval != -ENOENT) { goto done; } /* @@ -1628,7 +1628,7 @@ xfs_dir2_node_addname( * It didn't work, we need to split the leaf block. */ if (args->total == 0) { - ASSERT(rval == ENOSPC); + ASSERT(rval == -ENOSPC); goto done; } /* @@ -1815,7 +1815,7 @@ xfs_dir2_node_addname_int( * Not allowed to allocate, return failure. */ if ((args->op_flags & XFS_DA_OP_JUSTCHECK) || args->total == 0) - return XFS_ERROR(ENOSPC); + return -ENOSPC; /* * Allocate and initialize the new data block. @@ -1876,7 +1876,7 @@ xfs_dir2_node_addname_int( } XFS_ERROR_REPORT("xfs_dir2_node_addname_int", XFS_ERRLEVEL_LOW, mp); - return XFS_ERROR(EFSCORRUPTED); + return -EFSCORRUPTED; } /* @@ -2042,8 +2042,8 @@ xfs_dir2_node_lookup( error = xfs_da3_node_lookup_int(state, &rval); if (error) rval = error; - else if (rval == ENOENT && args->cmpresult == XFS_CMP_CASE) { - /* If a CI match, dup the actual name and return EEXIST */ + else if (rval == -ENOENT && args->cmpresult == XFS_CMP_CASE) { + /* If a CI match, dup the actual name and return -EEXIST */ xfs_dir2_data_entry_t *dep; dep = (xfs_dir2_data_entry_t *) @@ -2096,7 +2096,7 @@ xfs_dir2_node_removename( goto out_free; /* Didn't find it, upper layer screwed up. */ - if (rval != EEXIST) { + if (rval != -EEXIST) { error = rval; goto out_free; } @@ -2169,7 +2169,7 @@ xfs_dir2_node_replace( * It should be found, since the vnodeops layer has looked it up * and locked it. But paranoia is good. */ - if (rval == EEXIST) { + if (rval == -EEXIST) { struct xfs_dir2_leaf_entry *ents; /* * Find the leaf entry. @@ -2272,7 +2272,7 @@ xfs_dir2_node_trim_free( * space reservation, when breaking up an extent into two * pieces. This is the last block of an extent. */ - ASSERT(error != ENOSPC); + ASSERT(error != -ENOSPC); xfs_trans_brelse(tp, bp); return error; } diff --git a/fs/xfs/xfs_dir2_priv.h b/fs/xfs/libxfs/xfs_dir2_priv.h index 27ce0794d196..27ce0794d196 100644 --- a/fs/xfs/xfs_dir2_priv.h +++ b/fs/xfs/libxfs/xfs_dir2_priv.h diff --git a/fs/xfs/xfs_dir2_sf.c b/fs/xfs/libxfs/xfs_dir2_sf.c index 53c3be619db5..5079e051ef08 100644 --- a/fs/xfs/xfs_dir2_sf.c +++ b/fs/xfs/libxfs/xfs_dir2_sf.c @@ -51,10 +51,9 @@ static void xfs_dir2_sf_check(xfs_da_args_t *args); #else #define xfs_dir2_sf_check(args) #endif /* DEBUG */ -#if XFS_BIG_INUMS + static void xfs_dir2_sf_toino4(xfs_da_args_t *args); static void xfs_dir2_sf_toino8(xfs_da_args_t *args); -#endif /* XFS_BIG_INUMS */ /* * Given a block directory (dp/block), calculate its size as a shortform (sf) @@ -117,10 +116,10 @@ xfs_dir2_block_sfsize( isdotdot = dep->namelen == 2 && dep->name[0] == '.' && dep->name[1] == '.'; -#if XFS_BIG_INUMS + if (!isdot) i8count += be64_to_cpu(dep->inumber) > XFS_DIR2_MAX_SHORT_INUM; -#endif + /* take into account the file type field */ if (!isdot && !isdotdot) { count++; @@ -251,7 +250,7 @@ xfs_dir2_block_to_sf( logflags = XFS_ILOG_CORE; error = xfs_dir2_shrink_inode(args, args->geo->datablk, bp); if (error) { - ASSERT(error != ENOSPC); + ASSERT(error != -ENOSPC); goto out; } @@ -299,7 +298,7 @@ xfs_dir2_sf_addname( trace_xfs_dir2_sf_addname(args); - ASSERT(xfs_dir2_sf_lookup(args) == ENOENT); + ASSERT(xfs_dir2_sf_lookup(args) == -ENOENT); dp = args->dp; ASSERT(dp->i_df.if_flags & XFS_IFINLINE); /* @@ -307,7 +306,7 @@ xfs_dir2_sf_addname( */ if (dp->i_d.di_size < offsetof(xfs_dir2_sf_hdr_t, parent)) { ASSERT(XFS_FORCED_SHUTDOWN(dp->i_mount)); - return XFS_ERROR(EIO); + return -EIO; } ASSERT(dp->i_df.if_bytes == dp->i_d.di_size); ASSERT(dp->i_df.if_u1.if_data != NULL); @@ -318,7 +317,7 @@ xfs_dir2_sf_addname( */ incr_isize = dp->d_ops->sf_entsize(sfp, args->namelen); objchange = 0; -#if XFS_BIG_INUMS + /* * Do we have to change to 8 byte inodes? */ @@ -332,7 +331,7 @@ xfs_dir2_sf_addname( (uint)sizeof(xfs_dir2_ino4_t)); objchange = 1; } -#endif + new_isize = (int)dp->i_d.di_size + incr_isize; /* * Won't fit as shortform any more (due to size), @@ -345,7 +344,7 @@ xfs_dir2_sf_addname( * Just checking or no space reservation, it doesn't fit. */ if ((args->op_flags & XFS_DA_OP_JUSTCHECK) || args->total == 0) - return XFS_ERROR(ENOSPC); + return -ENOSPC; /* * Convert to block form then add the name. */ @@ -370,10 +369,8 @@ xfs_dir2_sf_addname( */ else { ASSERT(pick == 2); -#if XFS_BIG_INUMS if (objchange) xfs_dir2_sf_toino8(args); -#endif xfs_dir2_sf_addname_hard(args, objchange, new_isize); } xfs_trans_log_inode(args->trans, dp, XFS_ILOG_CORE | XFS_ILOG_DDATA); @@ -425,10 +422,8 @@ xfs_dir2_sf_addname_easy( * Update the header and inode. */ sfp->count++; -#if XFS_BIG_INUMS if (args->inumber > XFS_DIR2_MAX_SHORT_INUM) sfp->i8count++; -#endif dp->i_d.di_size = new_isize; xfs_dir2_sf_check(args); } @@ -516,10 +511,8 @@ xfs_dir2_sf_addname_hard( dp->d_ops->sf_put_ino(sfp, sfep, args->inumber); dp->d_ops->sf_put_ftype(sfep, args->filetype); sfp->count++; -#if XFS_BIG_INUMS if (args->inumber > XFS_DIR2_MAX_SHORT_INUM && !objchange) sfp->i8count++; -#endif /* * If there's more left to copy, do that. */ @@ -593,13 +586,8 @@ xfs_dir2_sf_addname_pick( /* * If changing the inode number size, do it the hard way. */ -#if XFS_BIG_INUMS - if (objchange) { + if (objchange) return 2; - } -#else - ASSERT(objchange == 0); -#endif /* * If it won't fit at the end then do it the hard way (use the hole). */ @@ -650,7 +638,6 @@ xfs_dir2_sf_check( ASSERT(dp->d_ops->sf_get_ftype(sfep) < XFS_DIR3_FT_MAX); } ASSERT(i8count == sfp->i8count); - ASSERT(XFS_BIG_INUMS || i8count == 0); ASSERT((char *)sfep - (char *)sfp == dp->i_d.di_size); ASSERT(offset + (sfp->count + 2) * (uint)sizeof(xfs_dir2_leaf_entry_t) + @@ -738,7 +725,7 @@ xfs_dir2_sf_lookup( */ if (dp->i_d.di_size < offsetof(xfs_dir2_sf_hdr_t, parent)) { ASSERT(XFS_FORCED_SHUTDOWN(dp->i_mount)); - return XFS_ERROR(EIO); + return -EIO; } ASSERT(dp->i_df.if_bytes == dp->i_d.di_size); ASSERT(dp->i_df.if_u1.if_data != NULL); @@ -751,7 +738,7 @@ xfs_dir2_sf_lookup( args->inumber = dp->i_ino; args->cmpresult = XFS_CMP_EXACT; args->filetype = XFS_DIR3_FT_DIR; - return XFS_ERROR(EEXIST); + return -EEXIST; } /* * Special case for .. @@ -761,7 +748,7 @@ xfs_dir2_sf_lookup( args->inumber = dp->d_ops->sf_get_parent_ino(sfp); args->cmpresult = XFS_CMP_EXACT; args->filetype = XFS_DIR3_FT_DIR; - return XFS_ERROR(EEXIST); + return -EEXIST; } /* * Loop over all the entries trying to match ours. @@ -781,20 +768,20 @@ xfs_dir2_sf_lookup( args->inumber = dp->d_ops->sf_get_ino(sfp, sfep); args->filetype = dp->d_ops->sf_get_ftype(sfep); if (cmp == XFS_CMP_EXACT) - return XFS_ERROR(EEXIST); + return -EEXIST; ci_sfep = sfep; } } ASSERT(args->op_flags & XFS_DA_OP_OKNOENT); /* * Here, we can only be doing a lookup (not a rename or replace). - * If a case-insensitive match was not found, return ENOENT. + * If a case-insensitive match was not found, return -ENOENT. */ if (!ci_sfep) - return XFS_ERROR(ENOENT); + return -ENOENT; /* otherwise process the CI match as required by the caller */ error = xfs_dir_cilookup_result(args, ci_sfep->name, ci_sfep->namelen); - return XFS_ERROR(error); + return error; } /* @@ -824,7 +811,7 @@ xfs_dir2_sf_removename( */ if (oldsize < offsetof(xfs_dir2_sf_hdr_t, parent)) { ASSERT(XFS_FORCED_SHUTDOWN(dp->i_mount)); - return XFS_ERROR(EIO); + return -EIO; } ASSERT(dp->i_df.if_bytes == oldsize); ASSERT(dp->i_df.if_u1.if_data != NULL); @@ -847,7 +834,7 @@ xfs_dir2_sf_removename( * Didn't find it. */ if (i == sfp->count) - return XFS_ERROR(ENOENT); + return -ENOENT; /* * Calculate sizes. */ @@ -870,7 +857,6 @@ xfs_dir2_sf_removename( */ xfs_idata_realloc(dp, newsize - oldsize, XFS_DATA_FORK); sfp = (xfs_dir2_sf_hdr_t *)dp->i_df.if_u1.if_data; -#if XFS_BIG_INUMS /* * Are we changing inode number size? */ @@ -880,7 +866,6 @@ xfs_dir2_sf_removename( else sfp->i8count--; } -#endif xfs_dir2_sf_check(args); xfs_trans_log_inode(args->trans, dp, XFS_ILOG_CORE | XFS_ILOG_DDATA); return 0; @@ -895,12 +880,8 @@ xfs_dir2_sf_replace( { xfs_inode_t *dp; /* incore directory inode */ int i; /* entry index */ -#if XFS_BIG_INUMS || defined(DEBUG) xfs_ino_t ino=0; /* entry old inode number */ -#endif -#if XFS_BIG_INUMS int i8elevated; /* sf_toino8 set i8count=1 */ -#endif xfs_dir2_sf_entry_t *sfep; /* shortform directory entry */ xfs_dir2_sf_hdr_t *sfp; /* shortform structure */ @@ -914,13 +895,13 @@ xfs_dir2_sf_replace( */ if (dp->i_d.di_size < offsetof(xfs_dir2_sf_hdr_t, parent)) { ASSERT(XFS_FORCED_SHUTDOWN(dp->i_mount)); - return XFS_ERROR(EIO); + return -EIO; } ASSERT(dp->i_df.if_bytes == dp->i_d.di_size); ASSERT(dp->i_df.if_u1.if_data != NULL); sfp = (xfs_dir2_sf_hdr_t *)dp->i_df.if_u1.if_data; ASSERT(dp->i_d.di_size >= xfs_dir2_sf_hdr_size(sfp->i8count)); -#if XFS_BIG_INUMS + /* * New inode number is large, and need to convert to 8-byte inodes. */ @@ -951,17 +932,15 @@ xfs_dir2_sf_replace( sfp = (xfs_dir2_sf_hdr_t *)dp->i_df.if_u1.if_data; } else i8elevated = 0; -#endif + ASSERT(args->namelen != 1 || args->name[0] != '.'); /* * Replace ..'s entry. */ if (args->namelen == 2 && args->name[0] == '.' && args->name[1] == '.') { -#if XFS_BIG_INUMS || defined(DEBUG) ino = dp->d_ops->sf_get_parent_ino(sfp); ASSERT(args->inumber != ino); -#endif dp->d_ops->sf_put_parent_ino(sfp, args->inumber); } /* @@ -972,10 +951,8 @@ xfs_dir2_sf_replace( i++, sfep = dp->d_ops->sf_nextentry(sfp, sfep)) { if (xfs_da_compname(args, sfep->name, sfep->namelen) == XFS_CMP_EXACT) { -#if XFS_BIG_INUMS || defined(DEBUG) ino = dp->d_ops->sf_get_ino(sfp, sfep); ASSERT(args->inumber != ino); -#endif dp->d_ops->sf_put_ino(sfp, sfep, args->inumber); dp->d_ops->sf_put_ftype(sfep, args->filetype); break; @@ -986,14 +963,11 @@ xfs_dir2_sf_replace( */ if (i == sfp->count) { ASSERT(args->op_flags & XFS_DA_OP_OKNOENT); -#if XFS_BIG_INUMS if (i8elevated) xfs_dir2_sf_toino4(args); -#endif - return XFS_ERROR(ENOENT); + return -ENOENT; } } -#if XFS_BIG_INUMS /* * See if the old number was large, the new number is small. */ @@ -1020,13 +994,11 @@ xfs_dir2_sf_replace( if (!i8elevated) sfp->i8count++; } -#endif xfs_dir2_sf_check(args); xfs_trans_log_inode(args->trans, dp, XFS_ILOG_DDATA); return 0; } -#if XFS_BIG_INUMS /* * Convert from 8-byte inode numbers to 4-byte inode numbers. * The last 8-byte inode number is gone, but the count is still 1. @@ -1181,4 +1153,3 @@ xfs_dir2_sf_toino8( dp->i_d.di_size = newsize; xfs_trans_log_inode(args->trans, dp, XFS_ILOG_CORE | XFS_ILOG_DDATA); } -#endif /* XFS_BIG_INUMS */ diff --git a/fs/xfs/xfs_dquot_buf.c b/fs/xfs/libxfs/xfs_dquot_buf.c index c2ac0c611ad8..bb969337efc8 100644 --- a/fs/xfs/xfs_dquot_buf.c +++ b/fs/xfs/libxfs/xfs_dquot_buf.c @@ -257,9 +257,9 @@ xfs_dquot_buf_read_verify( struct xfs_mount *mp = bp->b_target->bt_mount; if (!xfs_dquot_buf_verify_crc(mp, bp)) - xfs_buf_ioerror(bp, EFSBADCRC); + xfs_buf_ioerror(bp, -EFSBADCRC); else if (!xfs_dquot_buf_verify(mp, bp)) - xfs_buf_ioerror(bp, EFSCORRUPTED); + xfs_buf_ioerror(bp, -EFSCORRUPTED); if (bp->b_error) xfs_verifier_error(bp); @@ -277,7 +277,7 @@ xfs_dquot_buf_write_verify( struct xfs_mount *mp = bp->b_target->bt_mount; if (!xfs_dquot_buf_verify(mp, bp)) { - xfs_buf_ioerror(bp, EFSCORRUPTED); + xfs_buf_ioerror(bp, -EFSCORRUPTED); xfs_verifier_error(bp); return; } diff --git a/fs/xfs/xfs_format.h b/fs/xfs/libxfs/xfs_format.h index 34d85aca3058..7e42bba9a420 100644 --- a/fs/xfs/xfs_format.h +++ b/fs/xfs/libxfs/xfs_format.h @@ -68,11 +68,7 @@ struct xfs_ifork; #define XFS_RTLOBIT(w) xfs_lowbit32(w) #define XFS_RTHIBIT(w) xfs_highbit32(w) -#if XFS_BIG_BLKNOS #define XFS_RTBLOCKLOG(b) xfs_highbit64(b) -#else -#define XFS_RTBLOCKLOG(b) xfs_highbit32(b) -#endif /* * Dquot and dquot block format definitions @@ -304,23 +300,15 @@ typedef struct xfs_bmbt_rec_host { * Values and macros for delayed-allocation startblock fields. */ #define STARTBLOCKVALBITS 17 -#define STARTBLOCKMASKBITS (15 + XFS_BIG_BLKNOS * 20) -#define DSTARTBLOCKMASKBITS (15 + 20) +#define STARTBLOCKMASKBITS (15 + 20) #define STARTBLOCKMASK \ (((((xfs_fsblock_t)1) << STARTBLOCKMASKBITS) - 1) << STARTBLOCKVALBITS) -#define DSTARTBLOCKMASK \ - (((((xfs_dfsbno_t)1) << DSTARTBLOCKMASKBITS) - 1) << STARTBLOCKVALBITS) static inline int isnullstartblock(xfs_fsblock_t x) { return ((x) & STARTBLOCKMASK) == STARTBLOCKMASK; } -static inline int isnulldstartblock(xfs_dfsbno_t x) -{ - return ((x) & DSTARTBLOCKMASK) == DSTARTBLOCKMASK; -} - static inline xfs_fsblock_t nullstartblock(int k) { ASSERT(k < (1 << STARTBLOCKVALBITS)); diff --git a/fs/xfs/xfs_ialloc.c b/fs/xfs/libxfs/xfs_ialloc.c index 5960e5593fe0..b62771f1f4b5 100644 --- a/fs/xfs/xfs_ialloc.c +++ b/fs/xfs/libxfs/xfs_ialloc.c @@ -292,7 +292,7 @@ xfs_ialloc_inode_init( mp->m_bsize * blks_per_cluster, XBF_UNMAPPED); if (!fbuf) - return ENOMEM; + return -ENOMEM; /* Initialize the inode buffers and log them appropriately. */ fbuf->b_ops = &xfs_inode_buf_ops; @@ -380,7 +380,7 @@ xfs_ialloc_ag_alloc( newlen = args.mp->m_ialloc_inos; if (args.mp->m_maxicount && args.mp->m_sb.sb_icount + newlen > args.mp->m_maxicount) - return XFS_ERROR(ENOSPC); + return -ENOSPC; args.minlen = args.maxlen = args.mp->m_ialloc_blks; /* * First try to allocate inodes contiguous with the last-allocated @@ -1385,7 +1385,7 @@ xfs_dialloc( if (error) { xfs_trans_brelse(tp, agbp); - if (error != ENOSPC) + if (error != -ENOSPC) goto out_error; xfs_perag_put(pag); @@ -1416,7 +1416,7 @@ nextag: agno = 0; if (agno == start_agno) { *inop = NULLFSINO; - return noroom ? ENOSPC : 0; + return noroom ? -ENOSPC : 0; } } @@ -1425,7 +1425,7 @@ out_alloc: return xfs_dialloc_ag(tp, agbp, parent, inop); out_error: xfs_perag_put(pag); - return XFS_ERROR(error); + return error; } STATIC int @@ -1682,7 +1682,7 @@ xfs_difree( xfs_warn(mp, "%s: agno >= mp->m_sb.sb_agcount (%d >= %d).", __func__, agno, mp->m_sb.sb_agcount); ASSERT(0); - return XFS_ERROR(EINVAL); + return -EINVAL; } agino = XFS_INO_TO_AGINO(mp, inode); if (inode != XFS_AGINO_TO_INO(mp, agno, agino)) { @@ -1690,14 +1690,14 @@ xfs_difree( __func__, (unsigned long long)inode, (unsigned long long)XFS_AGINO_TO_INO(mp, agno, agino)); ASSERT(0); - return XFS_ERROR(EINVAL); + return -EINVAL; } agbno = XFS_AGINO_TO_AGBNO(mp, agino); if (agbno >= mp->m_sb.sb_agblocks) { xfs_warn(mp, "%s: agbno >= mp->m_sb.sb_agblocks (%d >= %d).", __func__, agbno, mp->m_sb.sb_agblocks); ASSERT(0); - return XFS_ERROR(EINVAL); + return -EINVAL; } /* * Get the allocation group header. @@ -1769,7 +1769,7 @@ xfs_imap_lookup( if (i) error = xfs_inobt_get_rec(cur, &rec, &i); if (!error && i == 0) - error = EINVAL; + error = -EINVAL; } xfs_trans_brelse(tp, agbp); @@ -1780,12 +1780,12 @@ xfs_imap_lookup( /* check that the returned record contains the required inode */ if (rec.ir_startino > agino || rec.ir_startino + mp->m_ialloc_inos <= agino) - return EINVAL; + return -EINVAL; /* for untrusted inodes check it is allocated first */ if ((flags & XFS_IGET_UNTRUSTED) && (rec.ir_free & XFS_INOBT_MASK(agino - rec.ir_startino))) - return EINVAL; + return -EINVAL; *chunk_agbno = XFS_AGINO_TO_AGBNO(mp, rec.ir_startino); *offset_agbno = agbno - *chunk_agbno; @@ -1829,7 +1829,7 @@ xfs_imap( * as they can be invalid without implying corruption. */ if (flags & XFS_IGET_UNTRUSTED) - return XFS_ERROR(EINVAL); + return -EINVAL; if (agno >= mp->m_sb.sb_agcount) { xfs_alert(mp, "%s: agno (%d) >= mp->m_sb.sb_agcount (%d)", @@ -1849,7 +1849,7 @@ xfs_imap( } xfs_stack_trace(); #endif /* DEBUG */ - return XFS_ERROR(EINVAL); + return -EINVAL; } blks_per_cluster = xfs_icluster_size_fsb(mp); @@ -1922,7 +1922,7 @@ out_map: __func__, (unsigned long long) imap->im_blkno, (unsigned long long) imap->im_len, XFS_FSB_TO_BB(mp, mp->m_sb.sb_dblocks)); - return XFS_ERROR(EINVAL); + return -EINVAL; } return 0; } @@ -2072,11 +2072,11 @@ xfs_agi_read_verify( if (xfs_sb_version_hascrc(&mp->m_sb) && !xfs_buf_verify_cksum(bp, XFS_AGI_CRC_OFF)) - xfs_buf_ioerror(bp, EFSBADCRC); + xfs_buf_ioerror(bp, -EFSBADCRC); else if (XFS_TEST_ERROR(!xfs_agi_verify(bp), mp, XFS_ERRTAG_IALLOC_READ_AGI, XFS_RANDOM_IALLOC_READ_AGI)) - xfs_buf_ioerror(bp, EFSCORRUPTED); + xfs_buf_ioerror(bp, -EFSCORRUPTED); if (bp->b_error) xfs_verifier_error(bp); @@ -2090,7 +2090,7 @@ xfs_agi_write_verify( struct xfs_buf_log_item *bip = bp->b_fspriv; if (!xfs_agi_verify(bp)) { - xfs_buf_ioerror(bp, EFSCORRUPTED); + xfs_buf_ioerror(bp, -EFSCORRUPTED); xfs_verifier_error(bp); return; } diff --git a/fs/xfs/xfs_ialloc.h b/fs/xfs/libxfs/xfs_ialloc.h index 95ad1c002d60..95ad1c002d60 100644 --- a/fs/xfs/xfs_ialloc.h +++ b/fs/xfs/libxfs/xfs_ialloc.h diff --git a/fs/xfs/xfs_ialloc_btree.c b/fs/xfs/libxfs/xfs_ialloc_btree.c index 726f83a681a5..c9b06f30fe86 100644 --- a/fs/xfs/xfs_ialloc_btree.c +++ b/fs/xfs/libxfs/xfs_ialloc_btree.c @@ -272,9 +272,9 @@ xfs_inobt_read_verify( struct xfs_buf *bp) { if (!xfs_btree_sblock_verify_crc(bp)) - xfs_buf_ioerror(bp, EFSBADCRC); + xfs_buf_ioerror(bp, -EFSBADCRC); else if (!xfs_inobt_verify(bp)) - xfs_buf_ioerror(bp, EFSCORRUPTED); + xfs_buf_ioerror(bp, -EFSCORRUPTED); if (bp->b_error) { trace_xfs_btree_corrupt(bp, _RET_IP_); @@ -288,7 +288,7 @@ xfs_inobt_write_verify( { if (!xfs_inobt_verify(bp)) { trace_xfs_btree_corrupt(bp, _RET_IP_); - xfs_buf_ioerror(bp, EFSCORRUPTED); + xfs_buf_ioerror(bp, -EFSCORRUPTED); xfs_verifier_error(bp); return; } diff --git a/fs/xfs/xfs_ialloc_btree.h b/fs/xfs/libxfs/xfs_ialloc_btree.h index d7ebea72c2d0..d7ebea72c2d0 100644 --- a/fs/xfs/xfs_ialloc_btree.h +++ b/fs/xfs/libxfs/xfs_ialloc_btree.h diff --git a/fs/xfs/xfs_inode_buf.c b/fs/xfs/libxfs/xfs_inode_buf.c index cb35ae41d4a1..f18fd2da49f7 100644 --- a/fs/xfs/xfs_inode_buf.c +++ b/fs/xfs/libxfs/xfs_inode_buf.c @@ -101,7 +101,7 @@ xfs_inode_buf_verify( return; } - xfs_buf_ioerror(bp, EFSCORRUPTED); + xfs_buf_ioerror(bp, -EFSCORRUPTED); xfs_verifier_error(bp); #ifdef DEBUG xfs_alert(mp, @@ -174,14 +174,14 @@ xfs_imap_to_bp( (int)imap->im_len, buf_flags, &bp, &xfs_inode_buf_ops); if (error) { - if (error == EAGAIN) { + if (error == -EAGAIN) { ASSERT(buf_flags & XBF_TRYLOCK); return error; } - if (error == EFSCORRUPTED && + if (error == -EFSCORRUPTED && (iget_flags & XFS_IGET_UNTRUSTED)) - return XFS_ERROR(EINVAL); + return -EINVAL; xfs_warn(mp, "%s: xfs_trans_read_buf() returned error %d.", __func__, error); @@ -390,7 +390,7 @@ xfs_iread( __func__, ip->i_ino); XFS_CORRUPTION_ERROR(__func__, XFS_ERRLEVEL_LOW, mp, dip); - error = XFS_ERROR(EFSCORRUPTED); + error = -EFSCORRUPTED; goto out_brelse; } diff --git a/fs/xfs/xfs_inode_buf.h b/fs/xfs/libxfs/xfs_inode_buf.h index 9308c47f2a52..9308c47f2a52 100644 --- a/fs/xfs/xfs_inode_buf.h +++ b/fs/xfs/libxfs/xfs_inode_buf.h diff --git a/fs/xfs/xfs_inode_fork.c b/fs/xfs/libxfs/xfs_inode_fork.c index b031e8d0d928..6a00f7fed69d 100644 --- a/fs/xfs/xfs_inode_fork.c +++ b/fs/xfs/libxfs/xfs_inode_fork.c @@ -102,7 +102,7 @@ xfs_iformat_fork( be64_to_cpu(dip->di_nblocks)); XFS_CORRUPTION_ERROR("xfs_iformat(1)", XFS_ERRLEVEL_LOW, ip->i_mount, dip); - return XFS_ERROR(EFSCORRUPTED); + return -EFSCORRUPTED; } if (unlikely(dip->di_forkoff > ip->i_mount->m_sb.sb_inodesize)) { @@ -111,7 +111,7 @@ xfs_iformat_fork( dip->di_forkoff); XFS_CORRUPTION_ERROR("xfs_iformat(2)", XFS_ERRLEVEL_LOW, ip->i_mount, dip); - return XFS_ERROR(EFSCORRUPTED); + return -EFSCORRUPTED; } if (unlikely((ip->i_d.di_flags & XFS_DIFLAG_REALTIME) && @@ -121,7 +121,7 @@ xfs_iformat_fork( ip->i_ino); XFS_CORRUPTION_ERROR("xfs_iformat(realtime)", XFS_ERRLEVEL_LOW, ip->i_mount, dip); - return XFS_ERROR(EFSCORRUPTED); + return -EFSCORRUPTED; } switch (ip->i_d.di_mode & S_IFMT) { @@ -132,7 +132,7 @@ xfs_iformat_fork( if (unlikely(dip->di_format != XFS_DINODE_FMT_DEV)) { XFS_CORRUPTION_ERROR("xfs_iformat(3)", XFS_ERRLEVEL_LOW, ip->i_mount, dip); - return XFS_ERROR(EFSCORRUPTED); + return -EFSCORRUPTED; } ip->i_d.di_size = 0; ip->i_df.if_u2.if_rdev = xfs_dinode_get_rdev(dip); @@ -153,7 +153,7 @@ xfs_iformat_fork( XFS_CORRUPTION_ERROR("xfs_iformat(4)", XFS_ERRLEVEL_LOW, ip->i_mount, dip); - return XFS_ERROR(EFSCORRUPTED); + return -EFSCORRUPTED; } di_size = be64_to_cpu(dip->di_size); @@ -166,7 +166,7 @@ xfs_iformat_fork( XFS_CORRUPTION_ERROR("xfs_iformat(5)", XFS_ERRLEVEL_LOW, ip->i_mount, dip); - return XFS_ERROR(EFSCORRUPTED); + return -EFSCORRUPTED; } size = (int)di_size; @@ -181,13 +181,13 @@ xfs_iformat_fork( default: XFS_ERROR_REPORT("xfs_iformat(6)", XFS_ERRLEVEL_LOW, ip->i_mount); - return XFS_ERROR(EFSCORRUPTED); + return -EFSCORRUPTED; } break; default: XFS_ERROR_REPORT("xfs_iformat(7)", XFS_ERRLEVEL_LOW, ip->i_mount); - return XFS_ERROR(EFSCORRUPTED); + return -EFSCORRUPTED; } if (error) { return error; @@ -211,7 +211,7 @@ xfs_iformat_fork( XFS_CORRUPTION_ERROR("xfs_iformat(8)", XFS_ERRLEVEL_LOW, ip->i_mount, dip); - return XFS_ERROR(EFSCORRUPTED); + return -EFSCORRUPTED; } error = xfs_iformat_local(ip, dip, XFS_ATTR_FORK, size); @@ -223,7 +223,7 @@ xfs_iformat_fork( error = xfs_iformat_btree(ip, dip, XFS_ATTR_FORK); break; default: - error = XFS_ERROR(EFSCORRUPTED); + error = -EFSCORRUPTED; break; } if (error) { @@ -266,7 +266,7 @@ xfs_iformat_local( XFS_DFORK_SIZE(dip, ip->i_mount, whichfork)); XFS_CORRUPTION_ERROR("xfs_iformat_local", XFS_ERRLEVEL_LOW, ip->i_mount, dip); - return XFS_ERROR(EFSCORRUPTED); + return -EFSCORRUPTED; } ifp = XFS_IFORK_PTR(ip, whichfork); real_size = 0; @@ -322,7 +322,7 @@ xfs_iformat_extents( (unsigned long long) ip->i_ino, nex); XFS_CORRUPTION_ERROR("xfs_iformat_extents(1)", XFS_ERRLEVEL_LOW, ip->i_mount, dip); - return XFS_ERROR(EFSCORRUPTED); + return -EFSCORRUPTED; } ifp->if_real_bytes = 0; @@ -350,7 +350,7 @@ xfs_iformat_extents( XFS_ERROR_REPORT("xfs_iformat_extents(2)", XFS_ERRLEVEL_LOW, ip->i_mount); - return XFS_ERROR(EFSCORRUPTED); + return -EFSCORRUPTED; } } ifp->if_flags |= XFS_IFEXTENTS; @@ -399,7 +399,7 @@ xfs_iformat_btree( (unsigned long long) ip->i_ino); XFS_CORRUPTION_ERROR("xfs_iformat_btree", XFS_ERRLEVEL_LOW, mp, dip); - return XFS_ERROR(EFSCORRUPTED); + return -EFSCORRUPTED; } ifp->if_broot_bytes = size; @@ -436,7 +436,7 @@ xfs_iread_extents( if (unlikely(XFS_IFORK_FORMAT(ip, whichfork) != XFS_DINODE_FMT_BTREE)) { XFS_ERROR_REPORT("xfs_iread_extents", XFS_ERRLEVEL_LOW, ip->i_mount); - return XFS_ERROR(EFSCORRUPTED); + return -EFSCORRUPTED; } nextents = XFS_IFORK_NEXTENTS(ip, whichfork); ifp = XFS_IFORK_PTR(ip, whichfork); @@ -528,7 +528,7 @@ xfs_iroot_realloc( ifp->if_broot_bytes = (int)new_size; ASSERT(XFS_BMAP_BMDR_SPACE(ifp->if_broot) <= XFS_IFORK_SIZE(ip, whichfork)); - memmove(np, op, cur_max * (uint)sizeof(xfs_dfsbno_t)); + memmove(np, op, cur_max * (uint)sizeof(xfs_fsblock_t)); return; } @@ -575,7 +575,7 @@ xfs_iroot_realloc( ifp->if_broot_bytes); np = (char *)XFS_BMAP_BROOT_PTR_ADDR(mp, new_broot, 1, (int)new_size); - memcpy(np, op, new_max * (uint)sizeof(xfs_dfsbno_t)); + memcpy(np, op, new_max * (uint)sizeof(xfs_fsblock_t)); } kmem_free(ifp->if_broot); ifp->if_broot = new_broot; @@ -1692,7 +1692,7 @@ xfs_iext_idx_to_irec( } *idxp = page_idx; *erp_idxp = erp_idx; - return(erp); + return erp; } /* diff --git a/fs/xfs/xfs_inode_fork.h b/fs/xfs/libxfs/xfs_inode_fork.h index 7d3b1ed6dcbe..7d3b1ed6dcbe 100644 --- a/fs/xfs/xfs_inode_fork.h +++ b/fs/xfs/libxfs/xfs_inode_fork.h diff --git a/fs/xfs/xfs_inum.h b/fs/xfs/libxfs/xfs_inum.h index 90efdaf1706f..4ff2278e147a 100644 --- a/fs/xfs/xfs_inum.h +++ b/fs/xfs/libxfs/xfs_inum.h @@ -54,11 +54,7 @@ struct xfs_mount; #define XFS_OFFBNO_TO_AGINO(mp,b,o) \ ((xfs_agino_t)(((b) << XFS_INO_OFFSET_BITS(mp)) | (o))) -#if XFS_BIG_INUMS #define XFS_MAXINUMBER ((xfs_ino_t)((1ULL << 56) - 1ULL)) -#else -#define XFS_MAXINUMBER ((xfs_ino_t)((1ULL << 32) - 1ULL)) -#endif #define XFS_MAXINUMBER_32 ((xfs_ino_t)((1ULL << 32) - 1ULL)) #endif /* __XFS_INUM_H__ */ diff --git a/fs/xfs/xfs_log_format.h b/fs/xfs/libxfs/xfs_log_format.h index f0969c77bdbe..aff12f2d4428 100644 --- a/fs/xfs/xfs_log_format.h +++ b/fs/xfs/libxfs/xfs_log_format.h @@ -380,7 +380,7 @@ typedef struct xfs_icdinode { xfs_ictimestamp_t di_mtime; /* time last modified */ xfs_ictimestamp_t di_ctime; /* time created/inode modified */ xfs_fsize_t di_size; /* number of bytes in file */ - xfs_drfsbno_t di_nblocks; /* # of direct & btree blocks used */ + xfs_rfsblock_t di_nblocks; /* # of direct & btree blocks used */ xfs_extlen_t di_extsize; /* basic/minimum extent size for file */ xfs_extnum_t di_nextents; /* number of extents in data fork */ xfs_aextnum_t di_anextents; /* number of extents in attribute fork*/ @@ -516,7 +516,7 @@ xfs_blft_from_flags(struct xfs_buf_log_format *blf) * EFI/EFD log format definitions */ typedef struct xfs_extent { - xfs_dfsbno_t ext_start; + xfs_fsblock_t ext_start; xfs_extlen_t ext_len; } xfs_extent_t; diff --git a/fs/xfs/xfs_log_recover.h b/fs/xfs/libxfs/xfs_log_recover.h index 1c55ccbb379d..1c55ccbb379d 100644 --- a/fs/xfs/xfs_log_recover.h +++ b/fs/xfs/libxfs/xfs_log_recover.h diff --git a/fs/xfs/xfs_log_rlimit.c b/fs/xfs/libxfs/xfs_log_rlimit.c index ee7e0e80246b..ee7e0e80246b 100644 --- a/fs/xfs/xfs_log_rlimit.c +++ b/fs/xfs/libxfs/xfs_log_rlimit.c diff --git a/fs/xfs/xfs_quota_defs.h b/fs/xfs/libxfs/xfs_quota_defs.h index 137e20937077..1b0a08379759 100644 --- a/fs/xfs/xfs_quota_defs.h +++ b/fs/xfs/libxfs/xfs_quota_defs.h @@ -98,8 +98,6 @@ typedef __uint16_t xfs_qwarncnt_t; #define XFS_IS_QUOTA_ON(mp) ((mp)->m_qflags & (XFS_UQUOTA_ACTIVE | \ XFS_GQUOTA_ACTIVE | \ XFS_PQUOTA_ACTIVE)) -#define XFS_IS_OQUOTA_ON(mp) ((mp)->m_qflags & (XFS_GQUOTA_ACTIVE | \ - XFS_PQUOTA_ACTIVE)) #define XFS_IS_UQUOTA_ON(mp) ((mp)->m_qflags & XFS_UQUOTA_ACTIVE) #define XFS_IS_GQUOTA_ON(mp) ((mp)->m_qflags & XFS_GQUOTA_ACTIVE) #define XFS_IS_PQUOTA_ON(mp) ((mp)->m_qflags & XFS_PQUOTA_ACTIVE) diff --git a/fs/xfs/xfs_rtbitmap.c b/fs/xfs/libxfs/xfs_rtbitmap.c index f4dd697cac08..f4dd697cac08 100644 --- a/fs/xfs/xfs_rtbitmap.c +++ b/fs/xfs/libxfs/xfs_rtbitmap.c diff --git a/fs/xfs/xfs_sb.c b/fs/xfs/libxfs/xfs_sb.c index 7703fa6770ff..ad525a5623a4 100644 --- a/fs/xfs/xfs_sb.c +++ b/fs/xfs/libxfs/xfs_sb.c @@ -186,13 +186,13 @@ xfs_mount_validate_sb( */ if (sbp->sb_magicnum != XFS_SB_MAGIC) { xfs_warn(mp, "bad magic number"); - return XFS_ERROR(EWRONGFS); + return -EWRONGFS; } if (!xfs_sb_good_version(sbp)) { xfs_warn(mp, "bad version"); - return XFS_ERROR(EWRONGFS); + return -EWRONGFS; } /* @@ -220,7 +220,7 @@ xfs_mount_validate_sb( xfs_warn(mp, "Attempted to mount read-only compatible filesystem read-write.\n" "Filesystem can only be safely mounted read only."); - return XFS_ERROR(EINVAL); + return -EINVAL; } } if (xfs_sb_has_incompat_feature(sbp, @@ -230,7 +230,7 @@ xfs_mount_validate_sb( "Filesystem can not be safely mounted by this kernel.", (sbp->sb_features_incompat & XFS_SB_FEAT_INCOMPAT_UNKNOWN)); - return XFS_ERROR(EINVAL); + return -EINVAL; } } @@ -238,13 +238,13 @@ xfs_mount_validate_sb( if (sbp->sb_qflags & (XFS_OQUOTA_ENFD | XFS_OQUOTA_CHKD)) { xfs_notice(mp, "Version 5 of Super block has XFS_OQUOTA bits."); - return XFS_ERROR(EFSCORRUPTED); + return -EFSCORRUPTED; } } else if (sbp->sb_qflags & (XFS_PQUOTA_ENFD | XFS_GQUOTA_ENFD | XFS_PQUOTA_CHKD | XFS_GQUOTA_CHKD)) { xfs_notice(mp, "Superblock earlier than Version 5 has XFS_[PQ]UOTA_{ENFD|CHKD} bits."); - return XFS_ERROR(EFSCORRUPTED); + return -EFSCORRUPTED; } if (unlikely( @@ -252,7 +252,7 @@ xfs_mount_validate_sb( xfs_warn(mp, "filesystem is marked as having an external log; " "specify logdev on the mount command line."); - return XFS_ERROR(EINVAL); + return -EINVAL; } if (unlikely( @@ -260,7 +260,7 @@ xfs_mount_validate_sb( xfs_warn(mp, "filesystem is marked as having an internal log; " "do not specify logdev on the mount command line."); - return XFS_ERROR(EINVAL); + return -EINVAL; } /* @@ -294,7 +294,7 @@ xfs_mount_validate_sb( sbp->sb_dblocks < XFS_MIN_DBLOCKS(sbp) || sbp->sb_shared_vn != 0)) { xfs_notice(mp, "SB sanity check failed"); - return XFS_ERROR(EFSCORRUPTED); + return -EFSCORRUPTED; } /* @@ -305,7 +305,7 @@ xfs_mount_validate_sb( "File system with blocksize %d bytes. " "Only pagesize (%ld) or less will currently work.", sbp->sb_blocksize, PAGE_SIZE); - return XFS_ERROR(ENOSYS); + return -ENOSYS; } /* @@ -320,19 +320,19 @@ xfs_mount_validate_sb( default: xfs_warn(mp, "inode size of %d bytes not supported", sbp->sb_inodesize); - return XFS_ERROR(ENOSYS); + return -ENOSYS; } if (xfs_sb_validate_fsb_count(sbp, sbp->sb_dblocks) || xfs_sb_validate_fsb_count(sbp, sbp->sb_rblocks)) { xfs_warn(mp, "file system too large to be mounted on this system."); - return XFS_ERROR(EFBIG); + return -EFBIG; } if (check_inprogress && sbp->sb_inprogress) { xfs_warn(mp, "Offline file system operation in progress!"); - return XFS_ERROR(EFSCORRUPTED); + return -EFSCORRUPTED; } return 0; } @@ -386,10 +386,11 @@ xfs_sb_quota_from_disk(struct xfs_sb *sbp) } } -void -xfs_sb_from_disk( +static void +__xfs_sb_from_disk( struct xfs_sb *to, - xfs_dsb_t *from) + xfs_dsb_t *from, + bool convert_xquota) { to->sb_magicnum = be32_to_cpu(from->sb_magicnum); to->sb_blocksize = be32_to_cpu(from->sb_blocksize); @@ -445,6 +446,17 @@ xfs_sb_from_disk( to->sb_pad = 0; to->sb_pquotino = be64_to_cpu(from->sb_pquotino); to->sb_lsn = be64_to_cpu(from->sb_lsn); + /* Convert on-disk flags to in-memory flags? */ + if (convert_xquota) + xfs_sb_quota_from_disk(to); +} + +void +xfs_sb_from_disk( + struct xfs_sb *to, + xfs_dsb_t *from) +{ + __xfs_sb_from_disk(to, from, true); } static inline void @@ -577,7 +589,11 @@ xfs_sb_verify( struct xfs_mount *mp = bp->b_target->bt_mount; struct xfs_sb sb; - xfs_sb_from_disk(&sb, XFS_BUF_TO_SBP(bp)); + /* + * Use call variant which doesn't convert quota flags from disk + * format, because xfs_mount_validate_sb checks the on-disk flags. + */ + __xfs_sb_from_disk(&sb, XFS_BUF_TO_SBP(bp), false); /* * Only check the in progress field for the primary superblock as @@ -620,7 +636,7 @@ xfs_sb_read_verify( /* Only fail bad secondaries on a known V5 filesystem */ if (bp->b_bn == XFS_SB_DADDR || xfs_sb_version_hascrc(&mp->m_sb)) { - error = EFSBADCRC; + error = -EFSBADCRC; goto out_error; } } @@ -630,7 +646,7 @@ xfs_sb_read_verify( out_error: if (error) { xfs_buf_ioerror(bp, error); - if (error == EFSCORRUPTED || error == EFSBADCRC) + if (error == -EFSCORRUPTED || error == -EFSBADCRC) xfs_verifier_error(bp); } } @@ -653,7 +669,7 @@ xfs_sb_quiet_read_verify( return; } /* quietly fail */ - xfs_buf_ioerror(bp, EWRONGFS); + xfs_buf_ioerror(bp, -EWRONGFS); } static void diff --git a/fs/xfs/xfs_sb.h b/fs/xfs/libxfs/xfs_sb.h index c43c2d609a24..2e739708afd3 100644 --- a/fs/xfs/xfs_sb.h +++ b/fs/xfs/libxfs/xfs_sb.h @@ -87,11 +87,11 @@ struct xfs_trans; typedef struct xfs_sb { __uint32_t sb_magicnum; /* magic number == XFS_SB_MAGIC */ __uint32_t sb_blocksize; /* logical block size, bytes */ - xfs_drfsbno_t sb_dblocks; /* number of data blocks */ - xfs_drfsbno_t sb_rblocks; /* number of realtime blocks */ - xfs_drtbno_t sb_rextents; /* number of realtime extents */ + xfs_rfsblock_t sb_dblocks; /* number of data blocks */ + xfs_rfsblock_t sb_rblocks; /* number of realtime blocks */ + xfs_rtblock_t sb_rextents; /* number of realtime extents */ uuid_t sb_uuid; /* file system unique id */ - xfs_dfsbno_t sb_logstart; /* starting block of log if internal */ + xfs_fsblock_t sb_logstart; /* starting block of log if internal */ xfs_ino_t sb_rootino; /* root inode number */ xfs_ino_t sb_rbmino; /* bitmap inode for realtime extents */ xfs_ino_t sb_rsumino; /* summary inode for rt bitmap */ diff --git a/fs/xfs/xfs_shared.h b/fs/xfs/libxfs/xfs_shared.h index 82404da2ca67..82404da2ca67 100644 --- a/fs/xfs/xfs_shared.h +++ b/fs/xfs/libxfs/xfs_shared.h diff --git a/fs/xfs/xfs_symlink_remote.c b/fs/xfs/libxfs/xfs_symlink_remote.c index 23c2f2577c8d..5782f037eab4 100644 --- a/fs/xfs/xfs_symlink_remote.c +++ b/fs/xfs/libxfs/xfs_symlink_remote.c @@ -133,9 +133,9 @@ xfs_symlink_read_verify( return; if (!xfs_buf_verify_cksum(bp, XFS_SYMLINK_CRC_OFF)) - xfs_buf_ioerror(bp, EFSBADCRC); + xfs_buf_ioerror(bp, -EFSBADCRC); else if (!xfs_symlink_verify(bp)) - xfs_buf_ioerror(bp, EFSCORRUPTED); + xfs_buf_ioerror(bp, -EFSCORRUPTED); if (bp->b_error) xfs_verifier_error(bp); @@ -153,7 +153,7 @@ xfs_symlink_write_verify( return; if (!xfs_symlink_verify(bp)) { - xfs_buf_ioerror(bp, EFSCORRUPTED); + xfs_buf_ioerror(bp, -EFSCORRUPTED); xfs_verifier_error(bp); return; } diff --git a/fs/xfs/xfs_trans_resv.c b/fs/xfs/libxfs/xfs_trans_resv.c index f2bda7c76b8a..f2bda7c76b8a 100644 --- a/fs/xfs/xfs_trans_resv.c +++ b/fs/xfs/libxfs/xfs_trans_resv.c diff --git a/fs/xfs/xfs_trans_resv.h b/fs/xfs/libxfs/xfs_trans_resv.h index 1097d14cd583..1097d14cd583 100644 --- a/fs/xfs/xfs_trans_resv.h +++ b/fs/xfs/libxfs/xfs_trans_resv.h diff --git a/fs/xfs/xfs_trans_space.h b/fs/xfs/libxfs/xfs_trans_space.h index bf9c4579334d..bf9c4579334d 100644 --- a/fs/xfs/xfs_trans_space.h +++ b/fs/xfs/libxfs/xfs_trans_space.h diff --git a/fs/xfs/xfs_acl.c b/fs/xfs/xfs_acl.c index 6888ad886ff6..a65fa5dde6e9 100644 --- a/fs/xfs/xfs_acl.c +++ b/fs/xfs/xfs_acl.c @@ -152,7 +152,7 @@ xfs_get_acl(struct inode *inode, int type) if (!xfs_acl) return ERR_PTR(-ENOMEM); - error = -xfs_attr_get(ip, ea_name, (unsigned char *)xfs_acl, + error = xfs_attr_get(ip, ea_name, (unsigned char *)xfs_acl, &len, ATTR_ROOT); if (error) { /* @@ -210,7 +210,7 @@ __xfs_set_acl(struct inode *inode, int type, struct posix_acl *acl) len -= sizeof(struct xfs_acl_entry) * (XFS_ACL_MAX_ENTRIES(ip->i_mount) - acl->a_count); - error = -xfs_attr_set(ip, ea_name, (unsigned char *)xfs_acl, + error = xfs_attr_set(ip, ea_name, (unsigned char *)xfs_acl, len, ATTR_ROOT); kmem_free(xfs_acl); @@ -218,7 +218,7 @@ __xfs_set_acl(struct inode *inode, int type, struct posix_acl *acl) /* * A NULL ACL argument means we want to remove the ACL. */ - error = -xfs_attr_remove(ip, ea_name, ATTR_ROOT); + error = xfs_attr_remove(ip, ea_name, ATTR_ROOT); /* * If the attribute didn't exist to start with that's fine. @@ -244,7 +244,7 @@ xfs_set_mode(struct inode *inode, umode_t mode) iattr.ia_mode = mode; iattr.ia_ctime = current_fs_time(inode->i_sb); - error = -xfs_setattr_nonsize(XFS_I(inode), &iattr, XFS_ATTR_NOACL); + error = xfs_setattr_nonsize(XFS_I(inode), &iattr, XFS_ATTR_NOACL); } return error; diff --git a/fs/xfs/xfs_aops.c b/fs/xfs/xfs_aops.c index faaf716e2080..11e9b4caa54f 100644 --- a/fs/xfs/xfs_aops.c +++ b/fs/xfs/xfs_aops.c @@ -240,7 +240,7 @@ xfs_end_io( done: if (error) - ioend->io_error = -error; + ioend->io_error = error; xfs_destroy_ioend(ioend); } @@ -308,14 +308,14 @@ xfs_map_blocks( int nimaps = 1; if (XFS_FORCED_SHUTDOWN(mp)) - return -XFS_ERROR(EIO); + return -EIO; if (type == XFS_IO_UNWRITTEN) bmapi_flags |= XFS_BMAPI_IGSTATE; if (!xfs_ilock_nowait(ip, XFS_ILOCK_SHARED)) { if (nonblocking) - return -XFS_ERROR(EAGAIN); + return -EAGAIN; xfs_ilock(ip, XFS_ILOCK_SHARED); } @@ -332,14 +332,14 @@ xfs_map_blocks( xfs_iunlock(ip, XFS_ILOCK_SHARED); if (error) - return -XFS_ERROR(error); + return error; if (type == XFS_IO_DELALLOC && (!nimaps || isnullstartblock(imap->br_startblock))) { error = xfs_iomap_write_allocate(ip, offset, imap); if (!error) trace_xfs_map_blocks_alloc(ip, offset, count, type, imap); - return -XFS_ERROR(error); + return error; } #ifdef DEBUG @@ -502,7 +502,7 @@ xfs_submit_ioend( * time. */ if (fail) { - ioend->io_error = -fail; + ioend->io_error = fail; xfs_finish_ioend(ioend); continue; } @@ -1253,7 +1253,7 @@ __xfs_get_blocks( int new = 0; if (XFS_FORCED_SHUTDOWN(mp)) - return -XFS_ERROR(EIO); + return -EIO; offset = (xfs_off_t)iblock << inode->i_blkbits; ASSERT(bh_result->b_size >= (1 << inode->i_blkbits)); @@ -1302,7 +1302,7 @@ __xfs_get_blocks( error = xfs_iomap_write_direct(ip, offset, size, &imap, nimaps); if (error) - return -error; + return error; new = 1; } else { /* @@ -1415,7 +1415,7 @@ __xfs_get_blocks( out_unlock: xfs_iunlock(ip, lockmode); - return -error; + return error; } int diff --git a/fs/xfs/xfs_attr_inactive.c b/fs/xfs/xfs_attr_inactive.c index 09480c57f069..aa2a8b1838a2 100644 --- a/fs/xfs/xfs_attr_inactive.c +++ b/fs/xfs/xfs_attr_inactive.c @@ -76,7 +76,7 @@ xfs_attr3_leaf_freextent( error = xfs_bmapi_read(dp, (xfs_fileoff_t)tblkno, tblkcnt, &map, &nmap, XFS_BMAPI_ATTRFORK); if (error) { - return(error); + return error; } ASSERT(nmap == 1); ASSERT(map.br_startblock != DELAYSTARTBLOCK); @@ -95,21 +95,21 @@ xfs_attr3_leaf_freextent( dp->i_mount->m_ddev_targp, dblkno, dblkcnt, 0); if (!bp) - return ENOMEM; + return -ENOMEM; xfs_trans_binval(*trans, bp); /* * Roll to next transaction. */ error = xfs_trans_roll(trans, dp); if (error) - return (error); + return error; } tblkno += map.br_blockcount; tblkcnt -= map.br_blockcount; } - return(0); + return 0; } /* @@ -227,7 +227,7 @@ xfs_attr3_node_inactive( */ if (level > XFS_DA_NODE_MAXDEPTH) { xfs_trans_brelse(*trans, bp); /* no locks for later trans */ - return XFS_ERROR(EIO); + return -EIO; } node = bp->b_addr; @@ -256,7 +256,7 @@ xfs_attr3_node_inactive( error = xfs_da3_node_read(*trans, dp, child_fsb, -2, &child_bp, XFS_ATTR_FORK); if (error) - return(error); + return error; if (child_bp) { /* save for re-read later */ child_blkno = XFS_BUF_ADDR(child_bp); @@ -277,7 +277,7 @@ xfs_attr3_node_inactive( child_bp); break; default: - error = XFS_ERROR(EIO); + error = -EIO; xfs_trans_brelse(*trans, child_bp); break; } @@ -360,7 +360,7 @@ xfs_attr3_root_inactive( error = xfs_attr3_leaf_inactive(trans, dp, bp); break; default: - error = XFS_ERROR(EIO); + error = -EIO; xfs_trans_brelse(*trans, bp); break; } @@ -414,7 +414,7 @@ xfs_attr_inactive(xfs_inode_t *dp) error = xfs_trans_reserve(trans, &M_RES(mp)->tr_attrinval, 0, 0); if (error) { xfs_trans_cancel(trans, 0); - return(error); + return error; } xfs_ilock(dp, XFS_ILOCK_EXCL); @@ -443,10 +443,10 @@ xfs_attr_inactive(xfs_inode_t *dp) error = xfs_trans_commit(trans, XFS_TRANS_RELEASE_LOG_RES); xfs_iunlock(dp, XFS_ILOCK_EXCL); - return(error); + return error; out: xfs_trans_cancel(trans, XFS_TRANS_RELEASE_LOG_RES|XFS_TRANS_ABORT); xfs_iunlock(dp, XFS_ILOCK_EXCL); - return(error); + return error; } diff --git a/fs/xfs/xfs_attr_list.c b/fs/xfs/xfs_attr_list.c index 90e2eeb21207..62db83ab6cbc 100644 --- a/fs/xfs/xfs_attr_list.c +++ b/fs/xfs/xfs_attr_list.c @@ -50,11 +50,11 @@ xfs_attr_shortform_compare(const void *a, const void *b) sa = (xfs_attr_sf_sort_t *)a; sb = (xfs_attr_sf_sort_t *)b; if (sa->hash < sb->hash) { - return(-1); + return -1; } else if (sa->hash > sb->hash) { - return(1); + return 1; } else { - return(sa->entno - sb->entno); + return sa->entno - sb->entno; } } @@ -86,7 +86,7 @@ xfs_attr_shortform_list(xfs_attr_list_context_t *context) sf = (xfs_attr_shortform_t *)dp->i_afp->if_u1.if_data; ASSERT(sf != NULL); if (!sf->hdr.count) - return(0); + return 0; cursor = context->cursor; ASSERT(cursor != NULL); @@ -124,7 +124,7 @@ xfs_attr_shortform_list(xfs_attr_list_context_t *context) sfe = XFS_ATTR_SF_NEXTENTRY(sfe); } trace_xfs_attr_list_sf_all(context); - return(0); + return 0; } /* do no more for a search callback */ @@ -150,7 +150,7 @@ xfs_attr_shortform_list(xfs_attr_list_context_t *context) XFS_ERRLEVEL_LOW, context->dp->i_mount, sfe); kmem_free(sbuf); - return XFS_ERROR(EFSCORRUPTED); + return -EFSCORRUPTED; } sbp->entno = i; @@ -188,7 +188,7 @@ xfs_attr_shortform_list(xfs_attr_list_context_t *context) } if (i == nsbuf) { kmem_free(sbuf); - return(0); + return 0; } /* @@ -213,7 +213,7 @@ xfs_attr_shortform_list(xfs_attr_list_context_t *context) } kmem_free(sbuf); - return(0); + return 0; } STATIC int @@ -243,8 +243,8 @@ xfs_attr_node_list(xfs_attr_list_context_t *context) if (cursor->blkno > 0) { error = xfs_da3_node_read(NULL, dp, cursor->blkno, -1, &bp, XFS_ATTR_FORK); - if ((error != 0) && (error != EFSCORRUPTED)) - return(error); + if ((error != 0) && (error != -EFSCORRUPTED)) + return error; if (bp) { struct xfs_attr_leaf_entry *entries; @@ -295,7 +295,7 @@ xfs_attr_node_list(xfs_attr_list_context_t *context) cursor->blkno, -1, &bp, XFS_ATTR_FORK); if (error) - return(error); + return error; node = bp->b_addr; magic = be16_to_cpu(node->hdr.info.magic); if (magic == XFS_ATTR_LEAF_MAGIC || @@ -308,7 +308,7 @@ xfs_attr_node_list(xfs_attr_list_context_t *context) context->dp->i_mount, node); xfs_trans_brelse(NULL, bp); - return XFS_ERROR(EFSCORRUPTED); + return -EFSCORRUPTED; } dp->d_ops->node_hdr_from_disk(&nodehdr, node); @@ -496,11 +496,11 @@ xfs_attr_leaf_list(xfs_attr_list_context_t *context) context->cursor->blkno = 0; error = xfs_attr3_leaf_read(NULL, context->dp, 0, -1, &bp); if (error) - return XFS_ERROR(error); + return error; error = xfs_attr3_leaf_list_int(bp, context); xfs_trans_brelse(NULL, bp); - return XFS_ERROR(error); + return error; } int @@ -514,7 +514,7 @@ xfs_attr_list_int( XFS_STATS_INC(xs_attr_list); if (XFS_FORCED_SHUTDOWN(dp->i_mount)) - return EIO; + return -EIO; /* * Decide on what work routines to call based on the inode size. @@ -616,16 +616,16 @@ xfs_attr_list( * Validate the cursor. */ if (cursor->pad1 || cursor->pad2) - return(XFS_ERROR(EINVAL)); + return -EINVAL; if ((cursor->initted == 0) && (cursor->hashval || cursor->blkno || cursor->offset)) - return XFS_ERROR(EINVAL); + return -EINVAL; /* * Check for a properly aligned buffer. */ if (((long)buffer) & (sizeof(int)-1)) - return XFS_ERROR(EFAULT); + return -EFAULT; if (flags & ATTR_KERNOVAL) bufsize = 0; @@ -648,6 +648,6 @@ xfs_attr_list( alist->al_offset[0] = context.bufsize; error = xfs_attr_list_int(&context); - ASSERT(error >= 0); + ASSERT(error <= 0); return error; } diff --git a/fs/xfs/xfs_bmap_util.c b/fs/xfs/xfs_bmap_util.c index 64731ef3324d..2f1e30d39a35 100644 --- a/fs/xfs/xfs_bmap_util.c +++ b/fs/xfs/xfs_bmap_util.c @@ -133,7 +133,7 @@ xfs_bmap_finish( mp = ntp->t_mountp; if (!XFS_FORCED_SHUTDOWN(mp)) xfs_force_shutdown(mp, - (error == EFSCORRUPTED) ? + (error == -EFSCORRUPTED) ? SHUTDOWN_CORRUPT_INCORE : SHUTDOWN_META_IO_ERROR); return error; @@ -365,7 +365,7 @@ xfs_bmap_count_tree( xfs_trans_brelse(tp, bp); XFS_ERROR_REPORT("xfs_bmap_count_tree(1)", XFS_ERRLEVEL_LOW, mp); - return XFS_ERROR(EFSCORRUPTED); + return -EFSCORRUPTED; } xfs_trans_brelse(tp, bp); } else { @@ -425,14 +425,14 @@ xfs_bmap_count_blocks( ASSERT(level > 0); pp = XFS_BMAP_BROOT_PTR_ADDR(mp, block, 1, ifp->if_broot_bytes); bno = be64_to_cpu(*pp); - ASSERT(bno != NULLDFSBNO); + ASSERT(bno != NULLFSBLOCK); ASSERT(XFS_FSB_TO_AGNO(mp, bno) < mp->m_sb.sb_agcount); ASSERT(XFS_FSB_TO_AGBNO(mp, bno) < mp->m_sb.sb_agblocks); if (unlikely(xfs_bmap_count_tree(mp, tp, ifp, bno, level, count) < 0)) { XFS_ERROR_REPORT("xfs_bmap_count_blocks(2)", XFS_ERRLEVEL_LOW, mp); - return XFS_ERROR(EFSCORRUPTED); + return -EFSCORRUPTED; } return 0; @@ -524,13 +524,13 @@ xfs_getbmap( if (ip->i_d.di_aformat != XFS_DINODE_FMT_EXTENTS && ip->i_d.di_aformat != XFS_DINODE_FMT_BTREE && ip->i_d.di_aformat != XFS_DINODE_FMT_LOCAL) - return XFS_ERROR(EINVAL); + return -EINVAL; } else if (unlikely( ip->i_d.di_aformat != 0 && ip->i_d.di_aformat != XFS_DINODE_FMT_EXTENTS)) { XFS_ERROR_REPORT("xfs_getbmap", XFS_ERRLEVEL_LOW, ip->i_mount); - return XFS_ERROR(EFSCORRUPTED); + return -EFSCORRUPTED; } prealloced = 0; @@ -539,7 +539,7 @@ xfs_getbmap( if (ip->i_d.di_format != XFS_DINODE_FMT_EXTENTS && ip->i_d.di_format != XFS_DINODE_FMT_BTREE && ip->i_d.di_format != XFS_DINODE_FMT_LOCAL) - return XFS_ERROR(EINVAL); + return -EINVAL; if (xfs_get_extsz_hint(ip) || ip->i_d.di_flags & (XFS_DIFLAG_PREALLOC|XFS_DIFLAG_APPEND)){ @@ -559,26 +559,26 @@ xfs_getbmap( bmv->bmv_entries = 0; return 0; } else if (bmv->bmv_length < 0) { - return XFS_ERROR(EINVAL); + return -EINVAL; } nex = bmv->bmv_count - 1; if (nex <= 0) - return XFS_ERROR(EINVAL); + return -EINVAL; bmvend = bmv->bmv_offset + bmv->bmv_length; if (bmv->bmv_count > ULONG_MAX / sizeof(struct getbmapx)) - return XFS_ERROR(ENOMEM); + return -ENOMEM; out = kmem_zalloc_large(bmv->bmv_count * sizeof(struct getbmapx), 0); if (!out) - return XFS_ERROR(ENOMEM); + return -ENOMEM; xfs_ilock(ip, XFS_IOLOCK_SHARED); if (whichfork == XFS_DATA_FORK) { if (!(iflags & BMV_IF_DELALLOC) && (ip->i_delayed_blks || XFS_ISIZE(ip) > ip->i_d.di_size)) { - error = -filemap_write_and_wait(VFS_I(ip)->i_mapping); + error = filemap_write_and_wait(VFS_I(ip)->i_mapping); if (error) goto out_unlock_iolock; @@ -611,7 +611,7 @@ xfs_getbmap( /* * Allocate enough space to handle "subnex" maps at a time. */ - error = ENOMEM; + error = -ENOMEM; subnex = 16; map = kmem_alloc(subnex * sizeof(*map), KM_MAYFAIL | KM_NOFS); if (!map) @@ -809,7 +809,7 @@ xfs_can_free_eofblocks(struct xfs_inode *ip, bool force) * have speculative prealloc/delalloc blocks to remove. */ if (VFS_I(ip)->i_size == 0 && - VN_CACHED(VFS_I(ip)) == 0 && + VFS_I(ip)->i_mapping->nrpages == 0 && ip->i_delayed_blks == 0) return false; @@ -882,7 +882,7 @@ xfs_free_eofblocks( if (need_iolock) { if (!xfs_ilock_nowait(ip, XFS_IOLOCK_EXCL)) { xfs_trans_cancel(tp, 0); - return EAGAIN; + return -EAGAIN; } } @@ -955,14 +955,14 @@ xfs_alloc_file_space( trace_xfs_alloc_file_space(ip); if (XFS_FORCED_SHUTDOWN(mp)) - return XFS_ERROR(EIO); + return -EIO; error = xfs_qm_dqattach(ip, 0); if (error) return error; if (len <= 0) - return XFS_ERROR(EINVAL); + return -EINVAL; rt = XFS_IS_REALTIME_INODE(ip); extsz = xfs_get_extsz_hint(ip); @@ -1028,7 +1028,7 @@ xfs_alloc_file_space( /* * Free the transaction structure. */ - ASSERT(error == ENOSPC || XFS_FORCED_SHUTDOWN(mp)); + ASSERT(error == -ENOSPC || XFS_FORCED_SHUTDOWN(mp)); xfs_trans_cancel(tp, 0); break; } @@ -1065,7 +1065,7 @@ xfs_alloc_file_space( allocated_fsb = imapp->br_blockcount; if (nimaps == 0) { - error = XFS_ERROR(ENOSPC); + error = -ENOSPC; break; } @@ -1126,7 +1126,7 @@ xfs_zero_remaining_bytes( mp->m_rtdev_targp : mp->m_ddev_targp, BTOBB(mp->m_sb.sb_blocksize), 0); if (!bp) - return XFS_ERROR(ENOMEM); + return -ENOMEM; xfs_buf_unlock(bp); @@ -1158,7 +1158,7 @@ xfs_zero_remaining_bytes( XFS_BUF_SET_ADDR(bp, xfs_fsb_to_db(ip, imap.br_startblock)); if (XFS_FORCED_SHUTDOWN(mp)) { - error = XFS_ERROR(EIO); + error = -EIO; break; } xfs_buf_iorequest(bp); @@ -1176,7 +1176,7 @@ xfs_zero_remaining_bytes( XFS_BUF_WRITE(bp); if (XFS_FORCED_SHUTDOWN(mp)) { - error = XFS_ERROR(EIO); + error = -EIO; break; } xfs_buf_iorequest(bp); @@ -1234,7 +1234,7 @@ xfs_free_file_space( rounding = max_t(xfs_off_t, 1 << mp->m_sb.sb_blocklog, PAGE_CACHE_SIZE); ioffset = offset & ~(rounding - 1); - error = -filemap_write_and_wait_range(VFS_I(ip)->i_mapping, + error = filemap_write_and_wait_range(VFS_I(ip)->i_mapping, ioffset, -1); if (error) goto out; @@ -1315,7 +1315,7 @@ xfs_free_file_space( /* * Free the transaction structure. */ - ASSERT(error == ENOSPC || XFS_FORCED_SHUTDOWN(mp)); + ASSERT(error == -ENOSPC || XFS_FORCED_SHUTDOWN(mp)); xfs_trans_cancel(tp, 0); break; } @@ -1557,14 +1557,14 @@ xfs_swap_extents_check_format( /* Should never get a local format */ if (ip->i_d.di_format == XFS_DINODE_FMT_LOCAL || tip->i_d.di_format == XFS_DINODE_FMT_LOCAL) - return EINVAL; + return -EINVAL; /* * if the target inode has less extents that then temporary inode then * why did userspace call us? */ if (ip->i_d.di_nextents < tip->i_d.di_nextents) - return EINVAL; + return -EINVAL; /* * if the target inode is in extent form and the temp inode is in btree @@ -1573,19 +1573,19 @@ xfs_swap_extents_check_format( */ if (ip->i_d.di_format == XFS_DINODE_FMT_EXTENTS && tip->i_d.di_format == XFS_DINODE_FMT_BTREE) - return EINVAL; + return -EINVAL; /* Check temp in extent form to max in target */ if (tip->i_d.di_format == XFS_DINODE_FMT_EXTENTS && XFS_IFORK_NEXTENTS(tip, XFS_DATA_FORK) > XFS_IFORK_MAXEXT(ip, XFS_DATA_FORK)) - return EINVAL; + return -EINVAL; /* Check target in extent form to max in temp */ if (ip->i_d.di_format == XFS_DINODE_FMT_EXTENTS && XFS_IFORK_NEXTENTS(ip, XFS_DATA_FORK) > XFS_IFORK_MAXEXT(tip, XFS_DATA_FORK)) - return EINVAL; + return -EINVAL; /* * If we are in a btree format, check that the temp root block will fit @@ -1599,26 +1599,50 @@ xfs_swap_extents_check_format( if (tip->i_d.di_format == XFS_DINODE_FMT_BTREE) { if (XFS_IFORK_BOFF(ip) && XFS_BMAP_BMDR_SPACE(tip->i_df.if_broot) > XFS_IFORK_BOFF(ip)) - return EINVAL; + return -EINVAL; if (XFS_IFORK_NEXTENTS(tip, XFS_DATA_FORK) <= XFS_IFORK_MAXEXT(ip, XFS_DATA_FORK)) - return EINVAL; + return -EINVAL; } /* Reciprocal target->temp btree format checks */ if (ip->i_d.di_format == XFS_DINODE_FMT_BTREE) { if (XFS_IFORK_BOFF(tip) && XFS_BMAP_BMDR_SPACE(ip->i_df.if_broot) > XFS_IFORK_BOFF(tip)) - return EINVAL; + return -EINVAL; if (XFS_IFORK_NEXTENTS(ip, XFS_DATA_FORK) <= XFS_IFORK_MAXEXT(tip, XFS_DATA_FORK)) - return EINVAL; + return -EINVAL; } return 0; } int +xfs_swap_extent_flush( + struct xfs_inode *ip) +{ + int error; + + error = filemap_write_and_wait(VFS_I(ip)->i_mapping); + if (error) + return error; + truncate_pagecache_range(VFS_I(ip), 0, -1); + + /* Verify O_DIRECT for ftmp */ + if (VFS_I(ip)->i_mapping->nrpages) + return -EINVAL; + + /* + * Don't try to swap extents on mmap()d files because we can't lock + * out races against page faults safely. + */ + if (mapping_mapped(VFS_I(ip)->i_mapping)) + return -EBUSY; + return 0; +} + +int xfs_swap_extents( xfs_inode_t *ip, /* target inode */ xfs_inode_t *tip, /* tmp inode */ @@ -1633,51 +1657,57 @@ xfs_swap_extents( int aforkblks = 0; int taforkblks = 0; __uint64_t tmp; + int lock_flags; tempifp = kmem_alloc(sizeof(xfs_ifork_t), KM_MAYFAIL); if (!tempifp) { - error = XFS_ERROR(ENOMEM); + error = -ENOMEM; goto out; } /* - * we have to do two separate lock calls here to keep lockdep - * happy. If we try to get all the locks in one call, lock will - * report false positives when we drop the ILOCK and regain them - * below. + * Lock up the inodes against other IO and truncate to begin with. + * Then we can ensure the inodes are flushed and have no page cache + * safely. Once we have done this we can take the ilocks and do the rest + * of the checks. */ + lock_flags = XFS_IOLOCK_EXCL; xfs_lock_two_inodes(ip, tip, XFS_IOLOCK_EXCL); - xfs_lock_two_inodes(ip, tip, XFS_ILOCK_EXCL); /* Verify that both files have the same format */ if ((ip->i_d.di_mode & S_IFMT) != (tip->i_d.di_mode & S_IFMT)) { - error = XFS_ERROR(EINVAL); + error = -EINVAL; goto out_unlock; } /* Verify both files are either real-time or non-realtime */ if (XFS_IS_REALTIME_INODE(ip) != XFS_IS_REALTIME_INODE(tip)) { - error = XFS_ERROR(EINVAL); + error = -EINVAL; goto out_unlock; } - error = -filemap_write_and_wait(VFS_I(tip)->i_mapping); + error = xfs_swap_extent_flush(ip); + if (error) + goto out_unlock; + error = xfs_swap_extent_flush(tip); if (error) goto out_unlock; - truncate_pagecache_range(VFS_I(tip), 0, -1); - /* Verify O_DIRECT for ftmp */ - if (VN_CACHED(VFS_I(tip)) != 0) { - error = XFS_ERROR(EINVAL); + tp = xfs_trans_alloc(mp, XFS_TRANS_SWAPEXT); + error = xfs_trans_reserve(tp, &M_RES(mp)->tr_ichange, 0, 0); + if (error) { + xfs_trans_cancel(tp, 0); goto out_unlock; } + xfs_lock_two_inodes(ip, tip, XFS_ILOCK_EXCL); + lock_flags |= XFS_ILOCK_EXCL; /* Verify all data are being swapped */ if (sxp->sx_offset != 0 || sxp->sx_length != ip->i_d.di_size || sxp->sx_length != tip->i_d.di_size) { - error = XFS_ERROR(EFAULT); - goto out_unlock; + error = -EFAULT; + goto out_trans_cancel; } trace_xfs_swap_extent_before(ip, 0); @@ -1689,7 +1719,7 @@ xfs_swap_extents( xfs_notice(mp, "%s: inode 0x%llx format is incompatible for exchanging.", __func__, ip->i_ino); - goto out_unlock; + goto out_trans_cancel; } /* @@ -1703,43 +1733,9 @@ xfs_swap_extents( (sbp->bs_ctime.tv_nsec != VFS_I(ip)->i_ctime.tv_nsec) || (sbp->bs_mtime.tv_sec != VFS_I(ip)->i_mtime.tv_sec) || (sbp->bs_mtime.tv_nsec != VFS_I(ip)->i_mtime.tv_nsec)) { - error = XFS_ERROR(EBUSY); - goto out_unlock; - } - - /* We need to fail if the file is memory mapped. Once we have tossed - * all existing pages, the page fault will have no option - * but to go to the filesystem for pages. By making the page fault call - * vop_read (or write in the case of autogrow) they block on the iolock - * until we have switched the extents. - */ - if (VN_MAPPED(VFS_I(ip))) { - error = XFS_ERROR(EBUSY); - goto out_unlock; - } - - xfs_iunlock(ip, XFS_ILOCK_EXCL); - xfs_iunlock(tip, XFS_ILOCK_EXCL); - - /* - * There is a race condition here since we gave up the - * ilock. However, the data fork will not change since - * we have the iolock (locked for truncation too) so we - * are safe. We don't really care if non-io related - * fields change. - */ - truncate_pagecache_range(VFS_I(ip), 0, -1); - - tp = xfs_trans_alloc(mp, XFS_TRANS_SWAPEXT); - error = xfs_trans_reserve(tp, &M_RES(mp)->tr_ichange, 0, 0); - if (error) { - xfs_iunlock(ip, XFS_IOLOCK_EXCL); - xfs_iunlock(tip, XFS_IOLOCK_EXCL); - xfs_trans_cancel(tp, 0); - goto out; + error = -EBUSY; + goto out_trans_cancel; } - xfs_lock_two_inodes(ip, tip, XFS_ILOCK_EXCL); - /* * Count the number of extended attribute blocks */ @@ -1757,8 +1753,8 @@ xfs_swap_extents( goto out_trans_cancel; } - xfs_trans_ijoin(tp, ip, XFS_ILOCK_EXCL | XFS_IOLOCK_EXCL); - xfs_trans_ijoin(tp, tip, XFS_ILOCK_EXCL | XFS_IOLOCK_EXCL); + xfs_trans_ijoin(tp, ip, lock_flags); + xfs_trans_ijoin(tp, tip, lock_flags); /* * Before we've swapped the forks, lets set the owners of the forks @@ -1887,8 +1883,8 @@ out: return error; out_unlock: - xfs_iunlock(ip, XFS_ILOCK_EXCL | XFS_IOLOCK_EXCL); - xfs_iunlock(tip, XFS_ILOCK_EXCL | XFS_IOLOCK_EXCL); + xfs_iunlock(ip, lock_flags); + xfs_iunlock(tip, lock_flags); goto out; out_trans_cancel: diff --git a/fs/xfs/xfs_buf.c b/fs/xfs/xfs_buf.c index 7a34a1ae6552..cd7b8ca9b064 100644 --- a/fs/xfs/xfs_buf.c +++ b/fs/xfs/xfs_buf.c @@ -130,7 +130,7 @@ xfs_buf_get_maps( bp->b_maps = kmem_zalloc(map_count * sizeof(struct xfs_buf_map), KM_NOFS); if (!bp->b_maps) - return ENOMEM; + return -ENOMEM; return 0; } @@ -344,7 +344,7 @@ retry: if (unlikely(page == NULL)) { if (flags & XBF_READ_AHEAD) { bp->b_page_count = i; - error = ENOMEM; + error = -ENOMEM; goto out_free_pages; } @@ -465,7 +465,7 @@ _xfs_buf_find( eofs = XFS_FSB_TO_BB(btp->bt_mount, btp->bt_mount->m_sb.sb_dblocks); if (blkno >= eofs) { /* - * XXX (dgc): we should really be returning EFSCORRUPTED here, + * XXX (dgc): we should really be returning -EFSCORRUPTED here, * but none of the higher level infrastructure supports * returning a specific error on buffer lookup failures. */ @@ -1052,8 +1052,8 @@ xfs_buf_ioerror( xfs_buf_t *bp, int error) { - ASSERT(error >= 0 && error <= 0xffff); - bp->b_error = (unsigned short)error; + ASSERT(error <= 0 && error >= -1000); + bp->b_error = error; trace_xfs_buf_ioerror(bp, error, _RET_IP_); } @@ -1064,7 +1064,7 @@ xfs_buf_ioerror_alert( { xfs_alert(bp->b_target->bt_mount, "metadata I/O error: block 0x%llx (\"%s\") error %d numblks %d", - (__uint64_t)XFS_BUF_ADDR(bp), func, bp->b_error, bp->b_length); + (__uint64_t)XFS_BUF_ADDR(bp), func, -bp->b_error, bp->b_length); } /* @@ -1083,7 +1083,7 @@ xfs_bioerror( /* * No need to wait until the buffer is unpinned, we aren't flushing it. */ - xfs_buf_ioerror(bp, EIO); + xfs_buf_ioerror(bp, -EIO); /* * We're calling xfs_buf_ioend, so delete XBF_DONE flag. @@ -1094,7 +1094,7 @@ xfs_bioerror( xfs_buf_ioend(bp, 0); - return EIO; + return -EIO; } /* @@ -1127,13 +1127,13 @@ xfs_bioerror_relse( * There's no reason to mark error for * ASYNC buffers. */ - xfs_buf_ioerror(bp, EIO); + xfs_buf_ioerror(bp, -EIO); complete(&bp->b_iowait); } else { xfs_buf_relse(bp); } - return EIO; + return -EIO; } STATIC int @@ -1199,7 +1199,7 @@ xfs_buf_bio_end_io( * buffers that require multiple bios to complete. */ if (!bp->b_error) - xfs_buf_ioerror(bp, -error); + xfs_buf_ioerror(bp, error); if (!bp->b_error && xfs_buf_is_vmapped(bp) && (bp->b_flags & XBF_READ)) invalidate_kernel_vmap_range(bp->b_addr, xfs_buf_vmap_len(bp)); @@ -1286,7 +1286,7 @@ next_chunk: * because the caller (xfs_buf_iorequest) holds a count itself. */ atomic_dec(&bp->b_io_remaining); - xfs_buf_ioerror(bp, EIO); + xfs_buf_ioerror(bp, -EIO); bio_put(bio); } @@ -1330,6 +1330,20 @@ _xfs_buf_ioapply( SHUTDOWN_CORRUPT_INCORE); return; } + } else if (bp->b_bn != XFS_BUF_DADDR_NULL) { + struct xfs_mount *mp = bp->b_target->bt_mount; + + /* + * non-crc filesystems don't attach verifiers during + * log recovery, so don't warn for such filesystems. + */ + if (xfs_sb_version_hascrc(&mp->m_sb)) { + xfs_warn(mp, + "%s: no ops on block 0x%llx/0x%x", + __func__, bp->b_bn, bp->b_length); + xfs_hex_dump(bp->b_addr, 64); + dump_stack(); + } } } else if (bp->b_flags & XBF_READ_AHEAD) { rw = READA; @@ -1628,7 +1642,7 @@ xfs_setsize_buftarg( xfs_warn(btp->bt_mount, "Cannot set_blocksize to %u on device %s", sectorsize, name); - return EINVAL; + return -EINVAL; } /* Set up device logical sector size mask */ diff --git a/fs/xfs/xfs_buf.h b/fs/xfs/xfs_buf.h index 3a7a5523d3dc..c753183900b3 100644 --- a/fs/xfs/xfs_buf.h +++ b/fs/xfs/xfs_buf.h @@ -178,7 +178,7 @@ typedef struct xfs_buf { atomic_t b_io_remaining; /* #outstanding I/O requests */ unsigned int b_page_count; /* size of page array */ unsigned int b_offset; /* page offset in first page */ - unsigned short b_error; /* error code on I/O */ + int b_error; /* error code on I/O */ const struct xfs_buf_ops *b_ops; #ifdef XFS_BUF_LOCK_TRACKING diff --git a/fs/xfs/xfs_buf_item.c b/fs/xfs/xfs_buf_item.c index 4654338b03fc..76007deed31f 100644 --- a/fs/xfs/xfs_buf_item.c +++ b/fs/xfs/xfs_buf_item.c @@ -488,7 +488,7 @@ xfs_buf_item_unpin( xfs_buf_lock(bp); xfs_buf_hold(bp); bp->b_flags |= XBF_ASYNC; - xfs_buf_ioerror(bp, EIO); + xfs_buf_ioerror(bp, -EIO); XFS_BUF_UNDONE(bp); xfs_buf_stale(bp); xfs_buf_ioend(bp, 0); @@ -725,7 +725,7 @@ xfs_buf_item_get_format( bip->bli_formats = kmem_zalloc(count * sizeof(struct xfs_buf_log_format), KM_SLEEP); if (!bip->bli_formats) - return ENOMEM; + return -ENOMEM; return 0; } diff --git a/fs/xfs/xfs_dir2_readdir.c b/fs/xfs/xfs_dir2_readdir.c index 48e99afb9cb0..f1b69edcdf31 100644 --- a/fs/xfs/xfs_dir2_readdir.c +++ b/fs/xfs/xfs_dir2_readdir.c @@ -95,7 +95,7 @@ xfs_dir2_sf_getdents( */ if (dp->i_d.di_size < offsetof(xfs_dir2_sf_hdr_t, parent)) { ASSERT(XFS_FORCED_SHUTDOWN(dp->i_mount)); - return XFS_ERROR(EIO); + return -EIO; } ASSERT(dp->i_df.if_bytes == dp->i_d.di_size); @@ -677,7 +677,7 @@ xfs_readdir( trace_xfs_readdir(dp); if (XFS_FORCED_SHUTDOWN(dp->i_mount)) - return XFS_ERROR(EIO); + return -EIO; ASSERT(S_ISDIR(dp->i_d.di_mode)); XFS_STATS_INC(xs_dir_getdents); diff --git a/fs/xfs/xfs_discard.c b/fs/xfs/xfs_discard.c index 4f11ef011139..13d08a1b390e 100644 --- a/fs/xfs/xfs_discard.c +++ b/fs/xfs/xfs_discard.c @@ -124,7 +124,7 @@ xfs_trim_extents( } trace_xfs_discard_extent(mp, agno, fbno, flen); - error = -blkdev_issue_discard(bdev, dbno, dlen, GFP_NOFS, 0); + error = blkdev_issue_discard(bdev, dbno, dlen, GFP_NOFS, 0); if (error) goto out_del_cursor; *blocks_trimmed += flen; @@ -166,11 +166,11 @@ xfs_ioc_trim( int error, last_error = 0; if (!capable(CAP_SYS_ADMIN)) - return -XFS_ERROR(EPERM); + return -EPERM; if (!blk_queue_discard(q)) - return -XFS_ERROR(EOPNOTSUPP); + return -EOPNOTSUPP; if (copy_from_user(&range, urange, sizeof(range))) - return -XFS_ERROR(EFAULT); + return -EFAULT; /* * Truncating down the len isn't actually quite correct, but using @@ -182,7 +182,7 @@ xfs_ioc_trim( if (range.start >= XFS_FSB_TO_B(mp, mp->m_sb.sb_dblocks) || range.minlen > XFS_FSB_TO_B(mp, XFS_ALLOC_AG_MAX_USABLE(mp)) || range.len < mp->m_sb.sb_blocksize) - return -XFS_ERROR(EINVAL); + return -EINVAL; start = BTOBB(range.start); end = start + BTOBBT(range.len) - 1; @@ -195,7 +195,7 @@ xfs_ioc_trim( end_agno = xfs_daddr_to_agno(mp, end); for (agno = start_agno; agno <= end_agno; agno++) { - error = -xfs_trim_extents(mp, agno, start, end, minlen, + error = xfs_trim_extents(mp, agno, start, end, minlen, &blocks_trimmed); if (error) last_error = error; @@ -206,7 +206,7 @@ xfs_ioc_trim( range.len = XFS_FSB_TO_B(mp, blocks_trimmed); if (copy_to_user(urange, &range, sizeof(range))) - return -XFS_ERROR(EFAULT); + return -EFAULT; return 0; } @@ -222,11 +222,11 @@ xfs_discard_extents( trace_xfs_discard_extent(mp, busyp->agno, busyp->bno, busyp->length); - error = -blkdev_issue_discard(mp->m_ddev_targp->bt_bdev, + error = blkdev_issue_discard(mp->m_ddev_targp->bt_bdev, XFS_AGB_TO_DADDR(mp, busyp->agno, busyp->bno), XFS_FSB_TO_BB(mp, busyp->length), GFP_NOFS, 0); - if (error && error != EOPNOTSUPP) { + if (error && error != -EOPNOTSUPP) { xfs_info(mp, "discard failed for extent [0x%llu,%u], error %d", (unsigned long long)busyp->bno, diff --git a/fs/xfs/xfs_dquot.c b/fs/xfs/xfs_dquot.c index 3ee0cd43edc0..63c2de49f61d 100644 --- a/fs/xfs/xfs_dquot.c +++ b/fs/xfs/xfs_dquot.c @@ -327,7 +327,7 @@ xfs_qm_dqalloc( */ if (!xfs_this_quota_on(dqp->q_mount, dqp->dq_flags)) { xfs_iunlock(quotip, XFS_ILOCK_EXCL); - return (ESRCH); + return -ESRCH; } xfs_trans_ijoin(tp, quotip, XFS_ILOCK_EXCL); @@ -354,7 +354,7 @@ xfs_qm_dqalloc( mp->m_quotainfo->qi_dqchunklen, 0); if (!bp) { - error = ENOMEM; + error = -ENOMEM; goto error1; } bp->b_ops = &xfs_dquot_buf_ops; @@ -400,7 +400,7 @@ xfs_qm_dqalloc( error0: xfs_iunlock(quotip, XFS_ILOCK_EXCL); - return (error); + return error; } STATIC int @@ -426,7 +426,7 @@ xfs_qm_dqrepair( if (error) { ASSERT(*bpp == NULL); - return XFS_ERROR(error); + return error; } (*bpp)->b_ops = &xfs_dquot_buf_ops; @@ -442,7 +442,7 @@ xfs_qm_dqrepair( if (error) { /* repair failed, we're screwed */ xfs_trans_brelse(tp, *bpp); - return XFS_ERROR(EIO); + return -EIO; } } @@ -480,7 +480,7 @@ xfs_qm_dqtobp( * didn't have the quota inode lock. */ xfs_iunlock(quotip, lock_mode); - return ESRCH; + return -ESRCH; } /* @@ -508,7 +508,7 @@ xfs_qm_dqtobp( * We don't allocate unless we're asked to */ if (!(flags & XFS_QMOPT_DQALLOC)) - return ENOENT; + return -ENOENT; ASSERT(tp); error = xfs_qm_dqalloc(tpp, mp, dqp, quotip, @@ -530,7 +530,7 @@ xfs_qm_dqtobp( mp->m_quotainfo->qi_dqchunklen, 0, &bp, &xfs_dquot_buf_ops); - if (error == EFSCORRUPTED && (flags & XFS_QMOPT_DQREPAIR)) { + if (error == -EFSCORRUPTED && (flags & XFS_QMOPT_DQREPAIR)) { xfs_dqid_t firstid = (xfs_dqid_t)map.br_startoff * mp->m_quotainfo->qi_dqperchunk; ASSERT(bp == NULL); @@ -539,7 +539,7 @@ xfs_qm_dqtobp( if (error) { ASSERT(bp == NULL); - return XFS_ERROR(error); + return error; } } @@ -547,7 +547,7 @@ xfs_qm_dqtobp( *O_bpp = bp; *O_ddpp = bp->b_addr + dqp->q_bufoffset; - return (0); + return 0; } @@ -715,7 +715,7 @@ xfs_qm_dqget( if ((! XFS_IS_UQUOTA_ON(mp) && type == XFS_DQ_USER) || (! XFS_IS_PQUOTA_ON(mp) && type == XFS_DQ_PROJ) || (! XFS_IS_GQUOTA_ON(mp) && type == XFS_DQ_GROUP)) { - return (ESRCH); + return -ESRCH; } #ifdef DEBUG @@ -723,7 +723,7 @@ xfs_qm_dqget( if ((xfs_dqerror_target == mp->m_ddev_targp) && (xfs_dqreq_num++ % xfs_dqerror_mod) == 0) { xfs_debug(mp, "Returning error in dqget"); - return (EIO); + return -EIO; } } @@ -796,14 +796,14 @@ restart: } else { /* inode stays locked on return */ xfs_qm_dqdestroy(dqp); - return XFS_ERROR(ESRCH); + return -ESRCH; } } mutex_lock(&qi->qi_tree_lock); - error = -radix_tree_insert(tree, id, dqp); + error = radix_tree_insert(tree, id, dqp); if (unlikely(error)) { - WARN_ON(error != EEXIST); + WARN_ON(error != -EEXIST); /* * Duplicate found. Just throw away the new dquot and start @@ -829,7 +829,7 @@ restart: ASSERT((ip == NULL) || xfs_isilocked(ip, XFS_ILOCK_EXCL)); trace_xfs_dqget_miss(dqp); *O_dqpp = dqp; - return (0); + return 0; } /* @@ -966,7 +966,7 @@ xfs_qm_dqflush( SHUTDOWN_CORRUPT_INCORE); else spin_unlock(&mp->m_ail->xa_lock); - error = XFS_ERROR(EIO); + error = -EIO; goto out_unlock; } @@ -974,7 +974,8 @@ xfs_qm_dqflush( * Get the buffer containing the on-disk dquot */ error = xfs_trans_read_buf(mp, NULL, mp->m_ddev_targp, dqp->q_blkno, - mp->m_quotainfo->qi_dqchunklen, 0, &bp, NULL); + mp->m_quotainfo->qi_dqchunklen, 0, &bp, + &xfs_dquot_buf_ops); if (error) goto out_unlock; @@ -992,7 +993,7 @@ xfs_qm_dqflush( xfs_buf_relse(bp); xfs_dqfunlock(dqp); xfs_force_shutdown(mp, SHUTDOWN_CORRUPT_INCORE); - return XFS_ERROR(EIO); + return -EIO; } /* This is the only portion of data that needs to persist */ @@ -1045,7 +1046,7 @@ xfs_qm_dqflush( out_unlock: xfs_dqfunlock(dqp); - return XFS_ERROR(EIO); + return -EIO; } /* diff --git a/fs/xfs/xfs_dquot.h b/fs/xfs/xfs_dquot.h index 68a68f704837..c24c67e22a2a 100644 --- a/fs/xfs/xfs_dquot.h +++ b/fs/xfs/xfs_dquot.h @@ -139,6 +139,21 @@ static inline xfs_dquot_t *xfs_inode_dquot(struct xfs_inode *ip, int type) } } +/* + * Check whether a dquot is under low free space conditions. We assume the quota + * is enabled and enforced. + */ +static inline bool xfs_dquot_lowsp(struct xfs_dquot *dqp) +{ + int64_t freesp; + + freesp = be64_to_cpu(dqp->q_core.d_blk_hardlimit) - dqp->q_res_bcount; + if (freesp < dqp->q_low_space[XFS_QLOWSP_1_PCNT]) + return true; + + return false; +} + #define XFS_DQ_IS_LOCKED(dqp) (mutex_is_locked(&((dqp)->q_qlock))) #define XFS_DQ_IS_DIRTY(dqp) ((dqp)->dq_flags & XFS_DQ_DIRTY) #define XFS_QM_ISUDQ(dqp) ((dqp)->dq_flags & XFS_DQ_USER) diff --git a/fs/xfs/xfs_error.c b/fs/xfs/xfs_error.c index edac5b057d28..b92fd7bc49e3 100644 --- a/fs/xfs/xfs_error.c +++ b/fs/xfs/xfs_error.c @@ -27,29 +27,6 @@ #ifdef DEBUG -int xfs_etrap[XFS_ERROR_NTRAP] = { - 0, -}; - -int -xfs_error_trap(int e) -{ - int i; - - if (!e) - return 0; - for (i = 0; i < XFS_ERROR_NTRAP; i++) { - if (xfs_etrap[i] == 0) - break; - if (e != xfs_etrap[i]) - continue; - xfs_notice(NULL, "%s: error %d", __func__, e); - BUG(); - break; - } - return e; -} - int xfs_etest[XFS_NUM_INJECT_ERROR]; int64_t xfs_etest_fsid[XFS_NUM_INJECT_ERROR]; char * xfs_etest_fsname[XFS_NUM_INJECT_ERROR]; @@ -190,7 +167,7 @@ xfs_verifier_error( struct xfs_mount *mp = bp->b_target->bt_mount; xfs_alert(mp, "Metadata %s detected at %pF, block 0x%llx", - bp->b_error == EFSBADCRC ? "CRC error" : "corruption", + bp->b_error == -EFSBADCRC ? "CRC error" : "corruption", __return_address, bp->b_bn); xfs_alert(mp, "Unmount and run xfs_repair"); diff --git a/fs/xfs/xfs_error.h b/fs/xfs/xfs_error.h index c1c57d4a4b5d..279a76e52791 100644 --- a/fs/xfs/xfs_error.h +++ b/fs/xfs/xfs_error.h @@ -18,15 +18,6 @@ #ifndef __XFS_ERROR_H__ #define __XFS_ERROR_H__ -#ifdef DEBUG -#define XFS_ERROR_NTRAP 10 -extern int xfs_etrap[XFS_ERROR_NTRAP]; -extern int xfs_error_trap(int); -#define XFS_ERROR(e) xfs_error_trap(e) -#else -#define XFS_ERROR(e) (e) -#endif - struct xfs_mount; extern void xfs_error_report(const char *tag, int level, struct xfs_mount *mp, @@ -56,7 +47,7 @@ extern void xfs_verifier_error(struct xfs_buf *bp); if (unlikely(!fs_is_ok)) { \ XFS_ERROR_REPORT("XFS_WANT_CORRUPTED_GOTO", \ XFS_ERRLEVEL_LOW, NULL); \ - error = XFS_ERROR(EFSCORRUPTED); \ + error = -EFSCORRUPTED; \ goto l; \ } \ } @@ -68,7 +59,7 @@ extern void xfs_verifier_error(struct xfs_buf *bp); if (unlikely(!fs_is_ok)) { \ XFS_ERROR_REPORT("XFS_WANT_CORRUPTED_RETURN", \ XFS_ERRLEVEL_LOW, NULL); \ - return XFS_ERROR(EFSCORRUPTED); \ + return -EFSCORRUPTED; \ } \ } diff --git a/fs/xfs/xfs_export.c b/fs/xfs/xfs_export.c index 753e467aa1a5..5a6bd5d8779a 100644 --- a/fs/xfs/xfs_export.c +++ b/fs/xfs/xfs_export.c @@ -147,9 +147,9 @@ xfs_nfs_get_inode( * We don't use ESTALE directly down the chain to not * confuse applications using bulkstat that expect EINVAL. */ - if (error == EINVAL || error == ENOENT) - error = ESTALE; - return ERR_PTR(-error); + if (error == -EINVAL || error == -ENOENT) + error = -ESTALE; + return ERR_PTR(error); } if (ip->i_d.di_gen != generation) { @@ -217,7 +217,7 @@ xfs_fs_get_parent( error = xfs_lookup(XFS_I(child->d_inode), &xfs_name_dotdot, &cip, NULL); if (unlikely(error)) - return ERR_PTR(-error); + return ERR_PTR(error); return d_obtain_alias(VFS_I(cip)); } @@ -237,7 +237,7 @@ xfs_fs_nfs_commit_metadata( if (!lsn) return 0; - return -_xfs_log_force_lsn(mp, lsn, XFS_LOG_SYNC, NULL); + return _xfs_log_force_lsn(mp, lsn, XFS_LOG_SYNC, NULL); } const struct export_operations xfs_export_operations = { diff --git a/fs/xfs/xfs_extfree_item.c b/fs/xfs/xfs_extfree_item.c index fb7a4c1ce1c5..c4327419dc5c 100644 --- a/fs/xfs/xfs_extfree_item.c +++ b/fs/xfs/xfs_extfree_item.c @@ -298,7 +298,7 @@ xfs_efi_copy_format(xfs_log_iovec_t *buf, xfs_efi_log_format_t *dst_efi_fmt) } return 0; } - return EFSCORRUPTED; + return -EFSCORRUPTED; } /* diff --git a/fs/xfs/xfs_file.c b/fs/xfs/xfs_file.c index 1f66779d7a46..076b1708d134 100644 --- a/fs/xfs/xfs_file.c +++ b/fs/xfs/xfs_file.c @@ -38,6 +38,7 @@ #include "xfs_trace.h" #include "xfs_log.h" #include "xfs_dinode.h" +#include "xfs_icache.h" #include <linux/aio.h> #include <linux/dcache.h> @@ -155,7 +156,7 @@ xfs_dir_fsync( if (!lsn) return 0; - return -_xfs_log_force_lsn(mp, lsn, XFS_LOG_SYNC, NULL); + return _xfs_log_force_lsn(mp, lsn, XFS_LOG_SYNC, NULL); } STATIC int @@ -179,7 +180,7 @@ xfs_file_fsync( return error; if (XFS_FORCED_SHUTDOWN(mp)) - return -XFS_ERROR(EIO); + return -EIO; xfs_iflags_clear(ip, XFS_ITRUNCATED); @@ -225,7 +226,7 @@ xfs_file_fsync( !log_flushed) xfs_blkdev_issue_flush(mp->m_ddev_targp); - return -error; + return error; } STATIC ssize_t @@ -246,11 +247,11 @@ xfs_file_read_iter( XFS_STATS_INC(xs_read_calls); if (unlikely(file->f_flags & O_DIRECT)) - ioflags |= IO_ISDIRECT; + ioflags |= XFS_IO_ISDIRECT; if (file->f_mode & FMODE_NOCMTIME) - ioflags |= IO_INVIS; + ioflags |= XFS_IO_INVIS; - if (unlikely(ioflags & IO_ISDIRECT)) { + if (unlikely(ioflags & XFS_IO_ISDIRECT)) { xfs_buftarg_t *target = XFS_IS_REALTIME_INODE(ip) ? mp->m_rtdev_targp : mp->m_ddev_targp; @@ -258,7 +259,7 @@ xfs_file_read_iter( if ((pos | size) & target->bt_logical_sectormask) { if (pos == i_size_read(inode)) return 0; - return -XFS_ERROR(EINVAL); + return -EINVAL; } } @@ -283,7 +284,7 @@ xfs_file_read_iter( * proceeed concurrently without serialisation. */ xfs_rw_ilock(ip, XFS_IOLOCK_SHARED); - if ((ioflags & IO_ISDIRECT) && inode->i_mapping->nrpages) { + if ((ioflags & XFS_IO_ISDIRECT) && inode->i_mapping->nrpages) { xfs_rw_iunlock(ip, XFS_IOLOCK_SHARED); xfs_rw_ilock(ip, XFS_IOLOCK_EXCL); @@ -325,7 +326,7 @@ xfs_file_splice_read( XFS_STATS_INC(xs_read_calls); if (infilp->f_mode & FMODE_NOCMTIME) - ioflags |= IO_INVIS; + ioflags |= XFS_IO_INVIS; if (XFS_FORCED_SHUTDOWN(ip->i_mount)) return -EIO; @@ -524,7 +525,7 @@ restart: xfs_rw_ilock(ip, *iolock); goto restart; } - error = -xfs_zero_eof(ip, *pos, i_size_read(inode)); + error = xfs_zero_eof(ip, *pos, i_size_read(inode)); if (error) return error; } @@ -594,7 +595,7 @@ xfs_file_dio_aio_write( /* DIO must be aligned to device logical sector size */ if ((pos | count) & target->bt_logical_sectormask) - return -XFS_ERROR(EINVAL); + return -EINVAL; /* "unaligned" here means not aligned to a filesystem block */ if ((pos & mp->m_blockmask) || ((pos + count) & mp->m_blockmask)) @@ -689,14 +690,28 @@ write_retry: ret = generic_perform_write(file, from, pos); if (likely(ret >= 0)) iocb->ki_pos = pos + ret; + /* - * If we just got an ENOSPC, try to write back all dirty inodes to - * convert delalloc space to free up some of the excess reserved - * metadata space. + * If we hit a space limit, try to free up some lingering preallocated + * space before returning an error. In the case of ENOSPC, first try to + * write back all dirty inodes to free up some of the excess reserved + * metadata space. This reduces the chances that the eofblocks scan + * waits on dirty mappings. Since xfs_flush_inodes() is serialized, this + * also behaves as a filter to prevent too many eofblocks scans from + * running at the same time. */ - if (ret == -ENOSPC && !enospc) { + if (ret == -EDQUOT && !enospc) { + enospc = xfs_inode_free_quota_eofblocks(ip); + if (enospc) + goto write_retry; + } else if (ret == -ENOSPC && !enospc) { + struct xfs_eofblocks eofb = {0}; + enospc = 1; xfs_flush_inodes(ip->i_mount); + eofb.eof_scan_owner = ip->i_ino; /* for locking */ + eofb.eof_flags = XFS_EOF_FLAGS_SYNC; + xfs_icache_free_eofblocks(ip->i_mount, &eofb); goto write_retry; } @@ -772,7 +787,7 @@ xfs_file_fallocate( unsigned blksize_mask = (1 << inode->i_blkbits) - 1; if (offset & blksize_mask || len & blksize_mask) { - error = EINVAL; + error = -EINVAL; goto out_unlock; } @@ -781,7 +796,7 @@ xfs_file_fallocate( * in which case it is effectively a truncate operation */ if (offset + len >= i_size_read(inode)) { - error = EINVAL; + error = -EINVAL; goto out_unlock; } @@ -794,7 +809,7 @@ xfs_file_fallocate( if (!(mode & FALLOC_FL_KEEP_SIZE) && offset + len > i_size_read(inode)) { new_size = offset + len; - error = -inode_newsize_ok(inode, new_size); + error = inode_newsize_ok(inode, new_size); if (error) goto out_unlock; } @@ -844,7 +859,7 @@ xfs_file_fallocate( out_unlock: xfs_iunlock(ip, XFS_IOLOCK_EXCL); - return -error; + return error; } @@ -889,7 +904,7 @@ xfs_file_release( struct inode *inode, struct file *filp) { - return -xfs_release(XFS_I(inode)); + return xfs_release(XFS_I(inode)); } STATIC int @@ -918,7 +933,7 @@ xfs_file_readdir( error = xfs_readdir(ip, ctx, bufsize); if (error) - return -error; + return error; return 0; } @@ -1184,7 +1199,7 @@ xfs_seek_data( isize = i_size_read(inode); if (start >= isize) { - error = ENXIO; + error = -ENXIO; goto out_unlock; } @@ -1206,7 +1221,7 @@ xfs_seek_data( /* No extents at given offset, must be beyond EOF */ if (nmap == 0) { - error = ENXIO; + error = -ENXIO; goto out_unlock; } @@ -1237,7 +1252,7 @@ xfs_seek_data( * we are reading after EOF if nothing in map[1]. */ if (nmap == 1) { - error = ENXIO; + error = -ENXIO; goto out_unlock; } @@ -1250,7 +1265,7 @@ xfs_seek_data( fsbno = map[i - 1].br_startoff + map[i - 1].br_blockcount; start = XFS_FSB_TO_B(mp, fsbno); if (start >= isize) { - error = ENXIO; + error = -ENXIO; goto out_unlock; } } @@ -1262,7 +1277,7 @@ out_unlock: xfs_iunlock(ip, lock); if (error) - return -error; + return error; return offset; } @@ -1282,13 +1297,13 @@ xfs_seek_hole( int error; if (XFS_FORCED_SHUTDOWN(mp)) - return -XFS_ERROR(EIO); + return -EIO; lock = xfs_ilock_data_map_shared(ip); isize = i_size_read(inode); if (start >= isize) { - error = ENXIO; + error = -ENXIO; goto out_unlock; } @@ -1307,7 +1322,7 @@ xfs_seek_hole( /* No extents at given offset, must be beyond EOF */ if (nmap == 0) { - error = ENXIO; + error = -ENXIO; goto out_unlock; } @@ -1370,7 +1385,7 @@ out_unlock: xfs_iunlock(ip, lock); if (error) - return -error; + return error; return offset; } diff --git a/fs/xfs/xfs_filestream.c b/fs/xfs/xfs_filestream.c index 8ec81bed7992..e92730c1d3ca 100644 --- a/fs/xfs/xfs_filestream.c +++ b/fs/xfs/xfs_filestream.c @@ -258,7 +258,7 @@ next_ag: if (*agp == NULLAGNUMBER) return 0; - err = ENOMEM; + err = -ENOMEM; item = kmem_alloc(sizeof(*item), KM_MAYFAIL); if (!item) goto out_put_ag; @@ -268,7 +268,7 @@ next_ag: err = xfs_mru_cache_insert(mp->m_filestream, ip->i_ino, &item->mru); if (err) { - if (err == EEXIST) + if (err == -EEXIST) err = 0; goto out_free_item; } diff --git a/fs/xfs/xfs_fs.h b/fs/xfs/xfs_fs.h index d34703dbcb42..18dc721ca19f 100644 --- a/fs/xfs/xfs_fs.h +++ b/fs/xfs/xfs_fs.h @@ -255,8 +255,8 @@ typedef struct xfs_fsop_resblks { ((2 * 1024 * 1024 * 1024ULL) - XFS_MIN_LOG_BYTES) /* Used for sanity checks on superblock */ -#define XFS_MAX_DBLOCKS(s) ((xfs_drfsbno_t)(s)->sb_agcount * (s)->sb_agblocks) -#define XFS_MIN_DBLOCKS(s) ((xfs_drfsbno_t)((s)->sb_agcount - 1) * \ +#define XFS_MAX_DBLOCKS(s) ((xfs_rfsblock_t)(s)->sb_agcount * (s)->sb_agblocks) +#define XFS_MIN_DBLOCKS(s) ((xfs_rfsblock_t)((s)->sb_agcount - 1) * \ (s)->sb_agblocks + XFS_MIN_AG_BLOCKS) /* @@ -375,6 +375,9 @@ struct xfs_fs_eofblocks { #define XFS_EOF_FLAGS_GID (1 << 2) /* filter by gid */ #define XFS_EOF_FLAGS_PRID (1 << 3) /* filter by project id */ #define XFS_EOF_FLAGS_MINFILESIZE (1 << 4) /* filter by min file size */ +#define XFS_EOF_FLAGS_UNION (1 << 5) /* union filter algorithm; + * kernel only, not included in + * valid mask */ #define XFS_EOF_FLAGS_VALID \ (XFS_EOF_FLAGS_SYNC | \ XFS_EOF_FLAGS_UID | \ diff --git a/fs/xfs/xfs_fsops.c b/fs/xfs/xfs_fsops.c index d2295561570a..f91de1ef05e1 100644 --- a/fs/xfs/xfs_fsops.c +++ b/fs/xfs/xfs_fsops.c @@ -168,7 +168,7 @@ xfs_growfs_data_private( nb = in->newblocks; pct = in->imaxpct; if (nb < mp->m_sb.sb_dblocks || pct < 0 || pct > 100) - return XFS_ERROR(EINVAL); + return -EINVAL; if ((error = xfs_sb_validate_fsb_count(&mp->m_sb, nb))) return error; dpct = pct - mp->m_sb.sb_imax_pct; @@ -176,7 +176,7 @@ xfs_growfs_data_private( XFS_FSB_TO_BB(mp, nb) - XFS_FSS_TO_BB(mp, 1), XFS_FSS_TO_BB(mp, 1), 0, NULL); if (!bp) - return EIO; + return -EIO; if (bp->b_error) { error = bp->b_error; xfs_buf_relse(bp); @@ -191,7 +191,7 @@ xfs_growfs_data_private( nagcount--; nb = (xfs_rfsblock_t)nagcount * mp->m_sb.sb_agblocks; if (nb < mp->m_sb.sb_dblocks) - return XFS_ERROR(EINVAL); + return -EINVAL; } new = nb - mp->m_sb.sb_dblocks; oagcount = mp->m_sb.sb_agcount; @@ -229,7 +229,7 @@ xfs_growfs_data_private( XFS_FSS_TO_BB(mp, 1), 0, &xfs_agf_buf_ops); if (!bp) { - error = ENOMEM; + error = -ENOMEM; goto error0; } @@ -270,7 +270,7 @@ xfs_growfs_data_private( XFS_FSS_TO_BB(mp, 1), 0, &xfs_agfl_buf_ops); if (!bp) { - error = ENOMEM; + error = -ENOMEM; goto error0; } @@ -298,7 +298,7 @@ xfs_growfs_data_private( XFS_FSS_TO_BB(mp, 1), 0, &xfs_agi_buf_ops); if (!bp) { - error = ENOMEM; + error = -ENOMEM; goto error0; } @@ -336,7 +336,7 @@ xfs_growfs_data_private( &xfs_allocbt_buf_ops); if (!bp) { - error = ENOMEM; + error = -ENOMEM; goto error0; } @@ -365,7 +365,7 @@ xfs_growfs_data_private( BTOBB(mp->m_sb.sb_blocksize), 0, &xfs_allocbt_buf_ops); if (!bp) { - error = ENOMEM; + error = -ENOMEM; goto error0; } @@ -395,7 +395,7 @@ xfs_growfs_data_private( BTOBB(mp->m_sb.sb_blocksize), 0, &xfs_inobt_buf_ops); if (!bp) { - error = ENOMEM; + error = -ENOMEM; goto error0; } @@ -420,7 +420,7 @@ xfs_growfs_data_private( BTOBB(mp->m_sb.sb_blocksize), 0, &xfs_inobt_buf_ops); if (!bp) { - error = ENOMEM; + error = -ENOMEM; goto error0; } @@ -531,7 +531,7 @@ xfs_growfs_data_private( bp->b_ops = &xfs_sb_buf_ops; xfs_buf_zero(bp, 0, BBTOB(bp->b_length)); } else - error = ENOMEM; + error = -ENOMEM; } /* @@ -576,17 +576,17 @@ xfs_growfs_log_private( nb = in->newblocks; if (nb < XFS_MIN_LOG_BLOCKS || nb < XFS_B_TO_FSB(mp, XFS_MIN_LOG_BYTES)) - return XFS_ERROR(EINVAL); + return -EINVAL; if (nb == mp->m_sb.sb_logblocks && in->isint == (mp->m_sb.sb_logstart != 0)) - return XFS_ERROR(EINVAL); + return -EINVAL; /* * Moving the log is hard, need new interfaces to sync * the log first, hold off all activity while moving it. * Can have shorter or longer log in the same space, * or transform internal to external log or vice versa. */ - return XFS_ERROR(ENOSYS); + return -ENOSYS; } /* @@ -604,9 +604,9 @@ xfs_growfs_data( int error; if (!capable(CAP_SYS_ADMIN)) - return XFS_ERROR(EPERM); + return -EPERM; if (!mutex_trylock(&mp->m_growlock)) - return XFS_ERROR(EWOULDBLOCK); + return -EWOULDBLOCK; error = xfs_growfs_data_private(mp, in); mutex_unlock(&mp->m_growlock); return error; @@ -620,9 +620,9 @@ xfs_growfs_log( int error; if (!capable(CAP_SYS_ADMIN)) - return XFS_ERROR(EPERM); + return -EPERM; if (!mutex_trylock(&mp->m_growlock)) - return XFS_ERROR(EWOULDBLOCK); + return -EWOULDBLOCK; error = xfs_growfs_log_private(mp, in); mutex_unlock(&mp->m_growlock); return error; @@ -674,7 +674,7 @@ xfs_reserve_blocks( /* If inval is null, report current values and return */ if (inval == (__uint64_t *)NULL) { if (!outval) - return EINVAL; + return -EINVAL; outval->resblks = mp->m_resblks; outval->resblks_avail = mp->m_resblks_avail; return 0; @@ -757,7 +757,7 @@ out: int error; error = xfs_icsb_modify_counters(mp, XFS_SBS_FDBLOCKS, fdblks_delta, 0); - if (error == ENOSPC) + if (error == -ENOSPC) goto retry; } return 0; @@ -818,7 +818,7 @@ xfs_fs_goingdown( SHUTDOWN_FORCE_UMOUNT | SHUTDOWN_LOG_IO_ERROR); break; default: - return XFS_ERROR(EINVAL); + return -EINVAL; } return 0; diff --git a/fs/xfs/xfs_icache.c b/fs/xfs/xfs_icache.c index c48df5f25b9f..981b2cf51985 100644 --- a/fs/xfs/xfs_icache.c +++ b/fs/xfs/xfs_icache.c @@ -33,6 +33,9 @@ #include "xfs_trace.h" #include "xfs_icache.h" #include "xfs_bmap_util.h" +#include "xfs_quota.h" +#include "xfs_dquot_item.h" +#include "xfs_dquot.h" #include <linux/kthread.h> #include <linux/freezer.h> @@ -158,7 +161,7 @@ xfs_iget_cache_hit( if (ip->i_ino != ino) { trace_xfs_iget_skip(ip); XFS_STATS_INC(xs_ig_frecycle); - error = EAGAIN; + error = -EAGAIN; goto out_error; } @@ -176,7 +179,7 @@ xfs_iget_cache_hit( if (ip->i_flags & (XFS_INEW|XFS_IRECLAIM)) { trace_xfs_iget_skip(ip); XFS_STATS_INC(xs_ig_frecycle); - error = EAGAIN; + error = -EAGAIN; goto out_error; } @@ -184,7 +187,7 @@ xfs_iget_cache_hit( * If lookup is racing with unlink return an error immediately. */ if (ip->i_d.di_mode == 0 && !(flags & XFS_IGET_CREATE)) { - error = ENOENT; + error = -ENOENT; goto out_error; } @@ -206,7 +209,7 @@ xfs_iget_cache_hit( spin_unlock(&ip->i_flags_lock); rcu_read_unlock(); - error = -inode_init_always(mp->m_super, inode); + error = inode_init_always(mp->m_super, inode); if (error) { /* * Re-initializing the inode failed, and we are in deep @@ -243,7 +246,7 @@ xfs_iget_cache_hit( /* If the VFS inode is being torn down, pause and try again. */ if (!igrab(inode)) { trace_xfs_iget_skip(ip); - error = EAGAIN; + error = -EAGAIN; goto out_error; } @@ -285,7 +288,7 @@ xfs_iget_cache_miss( ip = xfs_inode_alloc(mp, ino); if (!ip) - return ENOMEM; + return -ENOMEM; error = xfs_iread(mp, tp, ip, flags); if (error) @@ -294,7 +297,7 @@ xfs_iget_cache_miss( trace_xfs_iget_miss(ip); if ((ip->i_d.di_mode == 0) && !(flags & XFS_IGET_CREATE)) { - error = ENOENT; + error = -ENOENT; goto out_destroy; } @@ -305,7 +308,7 @@ xfs_iget_cache_miss( * recurse into the file system. */ if (radix_tree_preload(GFP_NOFS)) { - error = EAGAIN; + error = -EAGAIN; goto out_destroy; } @@ -341,7 +344,7 @@ xfs_iget_cache_miss( if (unlikely(error)) { WARN_ON(error != -EEXIST); XFS_STATS_INC(xs_ig_dup); - error = EAGAIN; + error = -EAGAIN; goto out_preload_end; } spin_unlock(&pag->pag_ici_lock); @@ -408,7 +411,7 @@ xfs_iget( /* reject inode numbers outside existing AGs */ if (!ino || XFS_INO_TO_AGNO(mp, ino) >= mp->m_sb.sb_agcount) - return EINVAL; + return -EINVAL; /* get the perag structure and ensure that it's inode capable */ pag = xfs_perag_get(mp, XFS_INO_TO_AGNO(mp, ino)); @@ -445,7 +448,7 @@ again: return 0; out_error_or_again: - if (error == EAGAIN) { + if (error == -EAGAIN) { delay(1); goto again; } @@ -489,18 +492,18 @@ xfs_inode_ag_walk_grab( /* nothing to sync during shutdown */ if (XFS_FORCED_SHUTDOWN(ip->i_mount)) - return EFSCORRUPTED; + return -EFSCORRUPTED; /* If we can't grab the inode, it must on it's way to reclaim. */ if (!igrab(inode)) - return ENOENT; + return -ENOENT; /* inode is valid */ return 0; out_unlock_noent: spin_unlock(&ip->i_flags_lock); - return ENOENT; + return -ENOENT; } STATIC int @@ -583,16 +586,16 @@ restart: continue; error = execute(batch[i], flags, args); IRELE(batch[i]); - if (error == EAGAIN) { + if (error == -EAGAIN) { skipped++; continue; } - if (error && last_error != EFSCORRUPTED) + if (error && last_error != -EFSCORRUPTED) last_error = error; } /* bail out if the filesystem is corrupted. */ - if (error == EFSCORRUPTED) + if (error == -EFSCORRUPTED) break; cond_resched(); @@ -652,11 +655,11 @@ xfs_inode_ag_iterator( xfs_perag_put(pag); if (error) { last_error = error; - if (error == EFSCORRUPTED) + if (error == -EFSCORRUPTED) break; } } - return XFS_ERROR(last_error); + return last_error; } int @@ -680,11 +683,11 @@ xfs_inode_ag_iterator_tag( xfs_perag_put(pag); if (error) { last_error = error; - if (error == EFSCORRUPTED) + if (error == -EFSCORRUPTED) break; } } - return XFS_ERROR(last_error); + return last_error; } /* @@ -944,7 +947,7 @@ restart: * see the stale flag set on the inode. */ error = xfs_iflush(ip, &bp); - if (error == EAGAIN) { + if (error == -EAGAIN) { xfs_iunlock(ip, XFS_ILOCK_EXCL); /* backoff longer than in xfs_ifree_cluster */ delay(2); @@ -997,7 +1000,7 @@ out: xfs_iflags_clear(ip, XFS_IRECLAIM); xfs_iunlock(ip, XFS_ILOCK_EXCL); /* - * We could return EAGAIN here to make reclaim rescan the inode tree in + * We could return -EAGAIN here to make reclaim rescan the inode tree in * a short while. However, this just burns CPU time scanning the tree * waiting for IO to complete and the reclaim work never goes back to * the idle state. Instead, return 0 to let the next scheduled @@ -1100,7 +1103,7 @@ restart: if (!batch[i]) continue; error = xfs_reclaim_inode(batch[i], pag, flags); - if (error && last_error != EFSCORRUPTED) + if (error && last_error != -EFSCORRUPTED) last_error = error; } @@ -1129,7 +1132,7 @@ restart: trylock = 0; goto restart; } - return XFS_ERROR(last_error); + return last_error; } int @@ -1203,6 +1206,30 @@ xfs_inode_match_id( return 1; } +/* + * A union-based inode filtering algorithm. Process the inode if any of the + * criteria match. This is for global/internal scans only. + */ +STATIC int +xfs_inode_match_id_union( + struct xfs_inode *ip, + struct xfs_eofblocks *eofb) +{ + if ((eofb->eof_flags & XFS_EOF_FLAGS_UID) && + uid_eq(VFS_I(ip)->i_uid, eofb->eof_uid)) + return 1; + + if ((eofb->eof_flags & XFS_EOF_FLAGS_GID) && + gid_eq(VFS_I(ip)->i_gid, eofb->eof_gid)) + return 1; + + if ((eofb->eof_flags & XFS_EOF_FLAGS_PRID) && + xfs_get_projid(ip) == eofb->eof_prid) + return 1; + + return 0; +} + STATIC int xfs_inode_free_eofblocks( struct xfs_inode *ip, @@ -1211,6 +1238,10 @@ xfs_inode_free_eofblocks( { int ret; struct xfs_eofblocks *eofb = args; + bool need_iolock = true; + int match; + + ASSERT(!eofb || (eofb && eofb->eof_scan_owner != 0)); if (!xfs_can_free_eofblocks(ip, false)) { /* inode could be preallocated or append-only */ @@ -1228,19 +1259,31 @@ xfs_inode_free_eofblocks( return 0; if (eofb) { - if (!xfs_inode_match_id(ip, eofb)) + if (eofb->eof_flags & XFS_EOF_FLAGS_UNION) + match = xfs_inode_match_id_union(ip, eofb); + else + match = xfs_inode_match_id(ip, eofb); + if (!match) return 0; /* skip the inode if the file size is too small */ if (eofb->eof_flags & XFS_EOF_FLAGS_MINFILESIZE && XFS_ISIZE(ip) < eofb->eof_min_file_size) return 0; + + /* + * A scan owner implies we already hold the iolock. Skip it in + * xfs_free_eofblocks() to avoid deadlock. This also eliminates + * the possibility of EAGAIN being returned. + */ + if (eofb->eof_scan_owner == ip->i_ino) + need_iolock = false; } - ret = xfs_free_eofblocks(ip->i_mount, ip, true); + ret = xfs_free_eofblocks(ip->i_mount, ip, need_iolock); /* don't revisit the inode if we're not waiting */ - if (ret == EAGAIN && !(flags & SYNC_WAIT)) + if (ret == -EAGAIN && !(flags & SYNC_WAIT)) ret = 0; return ret; @@ -1260,6 +1303,55 @@ xfs_icache_free_eofblocks( eofb, XFS_ICI_EOFBLOCKS_TAG); } +/* + * Run eofblocks scans on the quotas applicable to the inode. For inodes with + * multiple quotas, we don't know exactly which quota caused an allocation + * failure. We make a best effort by including each quota under low free space + * conditions (less than 1% free space) in the scan. + */ +int +xfs_inode_free_quota_eofblocks( + struct xfs_inode *ip) +{ + int scan = 0; + struct xfs_eofblocks eofb = {0}; + struct xfs_dquot *dq; + + ASSERT(xfs_isilocked(ip, XFS_IOLOCK_EXCL)); + + /* + * Set the scan owner to avoid a potential livelock. Otherwise, the scan + * can repeatedly trylock on the inode we're currently processing. We + * run a sync scan to increase effectiveness and use the union filter to + * cover all applicable quotas in a single scan. + */ + eofb.eof_scan_owner = ip->i_ino; + eofb.eof_flags = XFS_EOF_FLAGS_UNION|XFS_EOF_FLAGS_SYNC; + + if (XFS_IS_UQUOTA_ENFORCED(ip->i_mount)) { + dq = xfs_inode_dquot(ip, XFS_DQ_USER); + if (dq && xfs_dquot_lowsp(dq)) { + eofb.eof_uid = VFS_I(ip)->i_uid; + eofb.eof_flags |= XFS_EOF_FLAGS_UID; + scan = 1; + } + } + + if (XFS_IS_GQUOTA_ENFORCED(ip->i_mount)) { + dq = xfs_inode_dquot(ip, XFS_DQ_GROUP); + if (dq && xfs_dquot_lowsp(dq)) { + eofb.eof_gid = VFS_I(ip)->i_gid; + eofb.eof_flags |= XFS_EOF_FLAGS_GID; + scan = 1; + } + } + + if (scan) + xfs_icache_free_eofblocks(ip->i_mount, &eofb); + + return scan; +} + void xfs_inode_set_eofblocks_tag( xfs_inode_t *ip) diff --git a/fs/xfs/xfs_icache.h b/fs/xfs/xfs_icache.h index 9cf017b899be..46748b86b12f 100644 --- a/fs/xfs/xfs_icache.h +++ b/fs/xfs/xfs_icache.h @@ -27,6 +27,7 @@ struct xfs_eofblocks { kgid_t eof_gid; prid_t eof_prid; __u64 eof_min_file_size; + xfs_ino_t eof_scan_owner; }; #define SYNC_WAIT 0x0001 /* wait for i/o to complete */ @@ -57,6 +58,7 @@ void xfs_inode_set_reclaim_tag(struct xfs_inode *ip); void xfs_inode_set_eofblocks_tag(struct xfs_inode *ip); void xfs_inode_clear_eofblocks_tag(struct xfs_inode *ip); int xfs_icache_free_eofblocks(struct xfs_mount *, struct xfs_eofblocks *); +int xfs_inode_free_quota_eofblocks(struct xfs_inode *ip); void xfs_eofblocks_worker(struct work_struct *); int xfs_inode_ag_iterator(struct xfs_mount *mp, @@ -72,31 +74,32 @@ xfs_fs_eofblocks_from_user( struct xfs_eofblocks *dst) { if (src->eof_version != XFS_EOFBLOCKS_VERSION) - return EINVAL; + return -EINVAL; if (src->eof_flags & ~XFS_EOF_FLAGS_VALID) - return EINVAL; + return -EINVAL; if (memchr_inv(&src->pad32, 0, sizeof(src->pad32)) || memchr_inv(src->pad64, 0, sizeof(src->pad64))) - return EINVAL; + return -EINVAL; dst->eof_flags = src->eof_flags; dst->eof_prid = src->eof_prid; dst->eof_min_file_size = src->eof_min_file_size; + dst->eof_scan_owner = NULLFSINO; dst->eof_uid = INVALID_UID; if (src->eof_flags & XFS_EOF_FLAGS_UID) { dst->eof_uid = make_kuid(current_user_ns(), src->eof_uid); if (!uid_valid(dst->eof_uid)) - return EINVAL; + return -EINVAL; } dst->eof_gid = INVALID_GID; if (src->eof_flags & XFS_EOF_FLAGS_GID) { dst->eof_gid = make_kgid(current_user_ns(), src->eof_gid); if (!gid_valid(dst->eof_gid)) - return EINVAL; + return -EINVAL; } return 0; } diff --git a/fs/xfs/xfs_inode.c b/fs/xfs/xfs_inode.c index a6115fe1ac94..fea3c92fb3f0 100644 --- a/fs/xfs/xfs_inode.c +++ b/fs/xfs/xfs_inode.c @@ -583,7 +583,7 @@ xfs_lookup( trace_xfs_lookup(dp, name); if (XFS_FORCED_SHUTDOWN(dp->i_mount)) - return XFS_ERROR(EIO); + return -EIO; lock_mode = xfs_ilock_data_map_shared(dp); error = xfs_dir_lookup(NULL, dp, name, &inum, ci_name); @@ -893,7 +893,7 @@ xfs_dir_ialloc( } if (!ialloc_context && !ip) { *ipp = NULL; - return XFS_ERROR(ENOSPC); + return -ENOSPC; } /* @@ -1088,7 +1088,7 @@ xfs_create( trace_xfs_create(dp, name); if (XFS_FORCED_SHUTDOWN(mp)) - return XFS_ERROR(EIO); + return -EIO; prid = xfs_get_initial_prid(dp); @@ -1125,12 +1125,12 @@ xfs_create( */ tres.tr_logflags = XFS_TRANS_PERM_LOG_RES; error = xfs_trans_reserve(tp, &tres, resblks, 0); - if (error == ENOSPC) { + if (error == -ENOSPC) { /* flush outstanding delalloc blocks and retry */ xfs_flush_inodes(mp); error = xfs_trans_reserve(tp, &tres, resblks, 0); } - if (error == ENOSPC) { + if (error == -ENOSPC) { /* No space at all so try a "no-allocation" reservation */ resblks = 0; error = xfs_trans_reserve(tp, &tres, 0, 0); @@ -1165,7 +1165,7 @@ xfs_create( error = xfs_dir_ialloc(&tp, dp, mode, is_dir ? 2 : 1, rdev, prid, resblks > 0, &ip, &committed); if (error) { - if (error == ENOSPC) + if (error == -ENOSPC) goto out_trans_cancel; goto out_trans_abort; } @@ -1184,7 +1184,7 @@ xfs_create( &first_block, &free_list, resblks ? resblks - XFS_IALLOC_SPACE_RES(mp) : 0); if (error) { - ASSERT(error != ENOSPC); + ASSERT(error != -ENOSPC); goto out_trans_abort; } xfs_trans_ichgtime(tp, dp, XFS_ICHGTIME_MOD | XFS_ICHGTIME_CHG); @@ -1274,7 +1274,7 @@ xfs_create_tmpfile( uint resblks; if (XFS_FORCED_SHUTDOWN(mp)) - return XFS_ERROR(EIO); + return -EIO; prid = xfs_get_initial_prid(dp); @@ -1293,7 +1293,7 @@ xfs_create_tmpfile( tres = &M_RES(mp)->tr_create_tmpfile; error = xfs_trans_reserve(tp, tres, resblks, 0); - if (error == ENOSPC) { + if (error == -ENOSPC) { /* No space at all so try a "no-allocation" reservation */ resblks = 0; error = xfs_trans_reserve(tp, tres, 0, 0); @@ -1311,7 +1311,7 @@ xfs_create_tmpfile( error = xfs_dir_ialloc(&tp, dp, mode, 1, 0, prid, resblks > 0, &ip, NULL); if (error) { - if (error == ENOSPC) + if (error == -ENOSPC) goto out_trans_cancel; goto out_trans_abort; } @@ -1382,7 +1382,7 @@ xfs_link( ASSERT(!S_ISDIR(sip->i_d.di_mode)); if (XFS_FORCED_SHUTDOWN(mp)) - return XFS_ERROR(EIO); + return -EIO; error = xfs_qm_dqattach(sip, 0); if (error) @@ -1396,7 +1396,7 @@ xfs_link( cancel_flags = XFS_TRANS_RELEASE_LOG_RES; resblks = XFS_LINK_SPACE_RES(mp, target_name->len); error = xfs_trans_reserve(tp, &M_RES(mp)->tr_link, resblks, 0); - if (error == ENOSPC) { + if (error == -ENOSPC) { resblks = 0; error = xfs_trans_reserve(tp, &M_RES(mp)->tr_link, 0, 0); } @@ -1417,7 +1417,7 @@ xfs_link( */ if (unlikely((tdp->i_d.di_flags & XFS_DIFLAG_PROJINHERIT) && (xfs_get_projid(tdp) != xfs_get_projid(sip)))) { - error = XFS_ERROR(EXDEV); + error = -EXDEV; goto error_return; } @@ -1635,8 +1635,8 @@ xfs_release( truncated = xfs_iflags_test_and_clear(ip, XFS_ITRUNCATED); if (truncated) { xfs_iflags_clear(ip, XFS_IDIRTY_RELEASE); - if (VN_DIRTY(VFS_I(ip)) && ip->i_delayed_blks > 0) { - error = -filemap_flush(VFS_I(ip)->i_mapping); + if (ip->i_delayed_blks > 0) { + error = filemap_flush(VFS_I(ip)->i_mapping); if (error) return error; } @@ -1673,7 +1673,7 @@ xfs_release( return 0; error = xfs_free_eofblocks(mp, ip, true); - if (error && error != EAGAIN) + if (error && error != -EAGAIN) return error; /* delalloc blocks after truncation means it really is dirty */ @@ -1772,7 +1772,7 @@ xfs_inactive_ifree( error = xfs_trans_reserve(tp, &M_RES(mp)->tr_ifree, XFS_IFREE_SPACE_RES(mp), 0); if (error) { - if (error == ENOSPC) { + if (error == -ENOSPC) { xfs_warn_ratelimited(mp, "Failed to remove inode(s) from unlinked list. " "Please free space, unmount and run xfs_repair."); @@ -2219,7 +2219,7 @@ xfs_ifree_cluster( XBF_UNMAPPED); if (!bp) - return ENOMEM; + return -ENOMEM; /* * This buffer may not have been correctly initialised as we @@ -2491,7 +2491,7 @@ xfs_remove( trace_xfs_remove(dp, name); if (XFS_FORCED_SHUTDOWN(mp)) - return XFS_ERROR(EIO); + return -EIO; error = xfs_qm_dqattach(dp, 0); if (error) @@ -2521,12 +2521,12 @@ xfs_remove( */ resblks = XFS_REMOVE_SPACE_RES(mp); error = xfs_trans_reserve(tp, &M_RES(mp)->tr_remove, resblks, 0); - if (error == ENOSPC) { + if (error == -ENOSPC) { resblks = 0; error = xfs_trans_reserve(tp, &M_RES(mp)->tr_remove, 0, 0); } if (error) { - ASSERT(error != ENOSPC); + ASSERT(error != -ENOSPC); cancel_flags = 0; goto out_trans_cancel; } @@ -2543,11 +2543,11 @@ xfs_remove( if (is_dir) { ASSERT(ip->i_d.di_nlink >= 2); if (ip->i_d.di_nlink != 2) { - error = XFS_ERROR(ENOTEMPTY); + error = -ENOTEMPTY; goto out_trans_cancel; } if (!xfs_dir_isempty(ip)) { - error = XFS_ERROR(ENOTEMPTY); + error = -ENOTEMPTY; goto out_trans_cancel; } @@ -2582,7 +2582,7 @@ xfs_remove( error = xfs_dir_removename(tp, dp, name, ip->i_ino, &first_block, &free_list, resblks); if (error) { - ASSERT(error != ENOENT); + ASSERT(error != -ENOENT); goto out_bmap_cancel; } @@ -2702,7 +2702,7 @@ xfs_rename( cancel_flags = XFS_TRANS_RELEASE_LOG_RES; spaceres = XFS_RENAME_SPACE_RES(mp, target_name->len); error = xfs_trans_reserve(tp, &M_RES(mp)->tr_rename, spaceres, 0); - if (error == ENOSPC) { + if (error == -ENOSPC) { spaceres = 0; error = xfs_trans_reserve(tp, &M_RES(mp)->tr_rename, 0, 0); } @@ -2747,7 +2747,7 @@ xfs_rename( */ if (unlikely((target_dp->i_d.di_flags & XFS_DIFLAG_PROJINHERIT) && (xfs_get_projid(target_dp) != xfs_get_projid(src_ip)))) { - error = XFS_ERROR(EXDEV); + error = -EXDEV; goto error_return; } @@ -2770,7 +2770,7 @@ xfs_rename( error = xfs_dir_createname(tp, target_dp, target_name, src_ip->i_ino, &first_block, &free_list, spaceres); - if (error == ENOSPC) + if (error == -ENOSPC) goto error_return; if (error) goto abort_return; @@ -2795,7 +2795,7 @@ xfs_rename( */ if (!(xfs_dir_isempty(target_ip)) || (target_ip->i_d.di_nlink > 2)) { - error = XFS_ERROR(EEXIST); + error = -EEXIST; goto error_return; } } @@ -2847,7 +2847,7 @@ xfs_rename( error = xfs_dir_replace(tp, src_ip, &xfs_name_dotdot, target_dp->i_ino, &first_block, &free_list, spaceres); - ASSERT(error != EEXIST); + ASSERT(error != -EEXIST); if (error) goto abort_return; } @@ -3055,7 +3055,7 @@ cluster_corrupt_out: if (bp->b_iodone) { XFS_BUF_UNDONE(bp); xfs_buf_stale(bp); - xfs_buf_ioerror(bp, EIO); + xfs_buf_ioerror(bp, -EIO); xfs_buf_ioend(bp, 0); } else { xfs_buf_stale(bp); @@ -3069,7 +3069,7 @@ cluster_corrupt_out: xfs_iflush_abort(iq, false); kmem_free(ilist); xfs_perag_put(pag); - return XFS_ERROR(EFSCORRUPTED); + return -EFSCORRUPTED; } /* @@ -3124,7 +3124,7 @@ xfs_iflush( * as we wait for an empty AIL as part of the unmount process. */ if (XFS_FORCED_SHUTDOWN(mp)) { - error = XFS_ERROR(EIO); + error = -EIO; goto abort_out; } @@ -3167,7 +3167,7 @@ corrupt_out: xfs_buf_relse(bp); xfs_force_shutdown(mp, SHUTDOWN_CORRUPT_INCORE); cluster_corrupt_out: - error = XFS_ERROR(EFSCORRUPTED); + error = -EFSCORRUPTED; abort_out: /* * Unlocks the flush lock @@ -3331,5 +3331,5 @@ xfs_iflush_int( return 0; corrupt_out: - return XFS_ERROR(EFSCORRUPTED); + return -EFSCORRUPTED; } diff --git a/fs/xfs/xfs_inode.h b/fs/xfs/xfs_inode.h index f72bffa67266..c10e3fadd9af 100644 --- a/fs/xfs/xfs_inode.h +++ b/fs/xfs/xfs_inode.h @@ -398,4 +398,14 @@ do { \ extern struct kmem_zone *xfs_inode_zone; +/* + * Flags for read/write calls + */ +#define XFS_IO_ISDIRECT 0x00001 /* bypass page cache */ +#define XFS_IO_INVIS 0x00002 /* don't update inode timestamps */ + +#define XFS_IO_FLAGS \ + { XFS_IO_ISDIRECT, "DIRECT" }, \ + { XFS_IO_INVIS, "INVIS"} + #endif /* __XFS_INODE_H__ */ diff --git a/fs/xfs/xfs_inode_item.c b/fs/xfs/xfs_inode_item.c index a640137b3573..de5a7be36e60 100644 --- a/fs/xfs/xfs_inode_item.c +++ b/fs/xfs/xfs_inode_item.c @@ -788,5 +788,5 @@ xfs_inode_item_format_convert( in_f->ilf_boffset = in_f64->ilf_boffset; return 0; } - return EFSCORRUPTED; + return -EFSCORRUPTED; } diff --git a/fs/xfs/xfs_ioctl.c b/fs/xfs/xfs_ioctl.c index 8bc1bbce7451..3799695b9249 100644 --- a/fs/xfs/xfs_ioctl.c +++ b/fs/xfs/xfs_ioctl.c @@ -207,7 +207,7 @@ xfs_open_by_handle( struct path path; if (!capable(CAP_SYS_ADMIN)) - return -XFS_ERROR(EPERM); + return -EPERM; dentry = xfs_handlereq_to_dentry(parfilp, hreq); if (IS_ERR(dentry)) @@ -216,7 +216,7 @@ xfs_open_by_handle( /* Restrict xfs_open_by_handle to directories & regular files. */ if (!(S_ISREG(inode->i_mode) || S_ISDIR(inode->i_mode))) { - error = -XFS_ERROR(EPERM); + error = -EPERM; goto out_dput; } @@ -228,18 +228,18 @@ xfs_open_by_handle( fmode = OPEN_FMODE(permflag); if ((!(permflag & O_APPEND) || (permflag & O_TRUNC)) && (fmode & FMODE_WRITE) && IS_APPEND(inode)) { - error = -XFS_ERROR(EPERM); + error = -EPERM; goto out_dput; } if ((fmode & FMODE_WRITE) && IS_IMMUTABLE(inode)) { - error = -XFS_ERROR(EACCES); + error = -EACCES; goto out_dput; } /* Can't write directories. */ if (S_ISDIR(inode->i_mode) && (fmode & FMODE_WRITE)) { - error = -XFS_ERROR(EISDIR); + error = -EISDIR; goto out_dput; } @@ -282,7 +282,7 @@ xfs_readlink_by_handle( int error; if (!capable(CAP_SYS_ADMIN)) - return -XFS_ERROR(EPERM); + return -EPERM; dentry = xfs_handlereq_to_dentry(parfilp, hreq); if (IS_ERR(dentry)) @@ -290,22 +290,22 @@ xfs_readlink_by_handle( /* Restrict this handle operation to symlinks only. */ if (!S_ISLNK(dentry->d_inode->i_mode)) { - error = -XFS_ERROR(EINVAL); + error = -EINVAL; goto out_dput; } if (copy_from_user(&olen, hreq->ohandlen, sizeof(__u32))) { - error = -XFS_ERROR(EFAULT); + error = -EFAULT; goto out_dput; } link = kmalloc(MAXPATHLEN+1, GFP_KERNEL); if (!link) { - error = -XFS_ERROR(ENOMEM); + error = -ENOMEM; goto out_dput; } - error = -xfs_readlink(XFS_I(dentry->d_inode), link); + error = xfs_readlink(XFS_I(dentry->d_inode), link); if (error) goto out_kfree; error = readlink_copy(hreq->ohandle, olen, link); @@ -330,10 +330,10 @@ xfs_set_dmattrs( int error; if (!capable(CAP_SYS_ADMIN)) - return XFS_ERROR(EPERM); + return -EPERM; if (XFS_FORCED_SHUTDOWN(mp)) - return XFS_ERROR(EIO); + return -EIO; tp = xfs_trans_alloc(mp, XFS_TRANS_SET_DMATTRS); error = xfs_trans_reserve(tp, &M_RES(mp)->tr_ichange, 0, 0); @@ -364,9 +364,9 @@ xfs_fssetdm_by_handle( struct dentry *dentry; if (!capable(CAP_MKNOD)) - return -XFS_ERROR(EPERM); + return -EPERM; if (copy_from_user(&dmhreq, arg, sizeof(xfs_fsop_setdm_handlereq_t))) - return -XFS_ERROR(EFAULT); + return -EFAULT; error = mnt_want_write_file(parfilp); if (error) @@ -379,16 +379,16 @@ xfs_fssetdm_by_handle( } if (IS_IMMUTABLE(dentry->d_inode) || IS_APPEND(dentry->d_inode)) { - error = -XFS_ERROR(EPERM); + error = -EPERM; goto out; } if (copy_from_user(&fsd, dmhreq.data, sizeof(fsd))) { - error = -XFS_ERROR(EFAULT); + error = -EFAULT; goto out; } - error = -xfs_set_dmattrs(XFS_I(dentry->d_inode), fsd.fsd_dmevmask, + error = xfs_set_dmattrs(XFS_I(dentry->d_inode), fsd.fsd_dmevmask, fsd.fsd_dmstate); out: @@ -409,18 +409,18 @@ xfs_attrlist_by_handle( char *kbuf; if (!capable(CAP_SYS_ADMIN)) - return -XFS_ERROR(EPERM); + return -EPERM; if (copy_from_user(&al_hreq, arg, sizeof(xfs_fsop_attrlist_handlereq_t))) - return -XFS_ERROR(EFAULT); + return -EFAULT; if (al_hreq.buflen < sizeof(struct attrlist) || al_hreq.buflen > XATTR_LIST_MAX) - return -XFS_ERROR(EINVAL); + return -EINVAL; /* * Reject flags, only allow namespaces. */ if (al_hreq.flags & ~(ATTR_ROOT | ATTR_SECURE)) - return -XFS_ERROR(EINVAL); + return -EINVAL; dentry = xfs_handlereq_to_dentry(parfilp, &al_hreq.hreq); if (IS_ERR(dentry)) @@ -431,7 +431,7 @@ xfs_attrlist_by_handle( goto out_dput; cursor = (attrlist_cursor_kern_t *)&al_hreq.pos; - error = -xfs_attr_list(XFS_I(dentry->d_inode), kbuf, al_hreq.buflen, + error = xfs_attr_list(XFS_I(dentry->d_inode), kbuf, al_hreq.buflen, al_hreq.flags, cursor); if (error) goto out_kfree; @@ -455,20 +455,20 @@ xfs_attrmulti_attr_get( __uint32_t flags) { unsigned char *kbuf; - int error = EFAULT; + int error = -EFAULT; if (*len > XATTR_SIZE_MAX) - return EINVAL; + return -EINVAL; kbuf = kmem_zalloc_large(*len, KM_SLEEP); if (!kbuf) - return ENOMEM; + return -ENOMEM; error = xfs_attr_get(XFS_I(inode), name, kbuf, (int *)len, flags); if (error) goto out_kfree; if (copy_to_user(ubuf, kbuf, *len)) - error = EFAULT; + error = -EFAULT; out_kfree: kmem_free(kbuf); @@ -484,20 +484,17 @@ xfs_attrmulti_attr_set( __uint32_t flags) { unsigned char *kbuf; - int error = EFAULT; if (IS_IMMUTABLE(inode) || IS_APPEND(inode)) - return EPERM; + return -EPERM; if (len > XATTR_SIZE_MAX) - return EINVAL; + return -EINVAL; kbuf = memdup_user(ubuf, len); if (IS_ERR(kbuf)) return PTR_ERR(kbuf); - error = xfs_attr_set(XFS_I(inode), name, kbuf, len, flags); - - return error; + return xfs_attr_set(XFS_I(inode), name, kbuf, len, flags); } int @@ -507,7 +504,7 @@ xfs_attrmulti_attr_remove( __uint32_t flags) { if (IS_IMMUTABLE(inode) || IS_APPEND(inode)) - return EPERM; + return -EPERM; return xfs_attr_remove(XFS_I(inode), name, flags); } @@ -524,9 +521,9 @@ xfs_attrmulti_by_handle( unsigned char *attr_name; if (!capable(CAP_SYS_ADMIN)) - return -XFS_ERROR(EPERM); + return -EPERM; if (copy_from_user(&am_hreq, arg, sizeof(xfs_fsop_attrmulti_handlereq_t))) - return -XFS_ERROR(EFAULT); + return -EFAULT; /* overflow check */ if (am_hreq.opcount >= INT_MAX / sizeof(xfs_attr_multiop_t)) @@ -536,18 +533,18 @@ xfs_attrmulti_by_handle( if (IS_ERR(dentry)) return PTR_ERR(dentry); - error = E2BIG; + error = -E2BIG; size = am_hreq.opcount * sizeof(xfs_attr_multiop_t); if (!size || size > 16 * PAGE_SIZE) goto out_dput; ops = memdup_user(am_hreq.ops, size); if (IS_ERR(ops)) { - error = -PTR_ERR(ops); + error = PTR_ERR(ops); goto out_dput; } - error = ENOMEM; + error = -ENOMEM; attr_name = kmalloc(MAXNAMELEN, GFP_KERNEL); if (!attr_name) goto out_kfree_ops; @@ -557,7 +554,7 @@ xfs_attrmulti_by_handle( ops[i].am_error = strncpy_from_user((char *)attr_name, ops[i].am_attrname, MAXNAMELEN); if (ops[i].am_error == 0 || ops[i].am_error == MAXNAMELEN) - error = ERANGE; + error = -ERANGE; if (ops[i].am_error < 0) break; @@ -588,19 +585,19 @@ xfs_attrmulti_by_handle( mnt_drop_write_file(parfilp); break; default: - ops[i].am_error = EINVAL; + ops[i].am_error = -EINVAL; } } if (copy_to_user(am_hreq.ops, ops, size)) - error = XFS_ERROR(EFAULT); + error = -EFAULT; kfree(attr_name); out_kfree_ops: kfree(ops); out_dput: dput(dentry); - return -error; + return error; } int @@ -625,16 +622,16 @@ xfs_ioc_space( */ if (!xfs_sb_version_hasextflgbit(&ip->i_mount->m_sb) && !capable(CAP_SYS_ADMIN)) - return -XFS_ERROR(EPERM); + return -EPERM; if (inode->i_flags & (S_IMMUTABLE|S_APPEND)) - return -XFS_ERROR(EPERM); + return -EPERM; if (!(filp->f_mode & FMODE_WRITE)) - return -XFS_ERROR(EBADF); + return -EBADF; if (!S_ISREG(inode->i_mode)) - return -XFS_ERROR(EINVAL); + return -EINVAL; error = mnt_want_write_file(filp); if (error) @@ -652,7 +649,7 @@ xfs_ioc_space( bf->l_start += XFS_ISIZE(ip); break; default: - error = XFS_ERROR(EINVAL); + error = -EINVAL; goto out_unlock; } @@ -669,7 +666,7 @@ xfs_ioc_space( case XFS_IOC_UNRESVSP: case XFS_IOC_UNRESVSP64: if (bf->l_len <= 0) { - error = XFS_ERROR(EINVAL); + error = -EINVAL; goto out_unlock; } break; @@ -682,7 +679,7 @@ xfs_ioc_space( bf->l_start > mp->m_super->s_maxbytes || bf->l_start + bf->l_len < 0 || bf->l_start + bf->l_len >= mp->m_super->s_maxbytes) { - error = XFS_ERROR(EINVAL); + error = -EINVAL; goto out_unlock; } @@ -723,7 +720,7 @@ xfs_ioc_space( break; default: ASSERT(0); - error = XFS_ERROR(EINVAL); + error = -EINVAL; } if (error) @@ -739,7 +736,7 @@ xfs_ioc_space( xfs_ilock(ip, XFS_ILOCK_EXCL); xfs_trans_ijoin(tp, ip, XFS_ILOCK_EXCL); - if (!(ioflags & IO_INVIS)) { + if (!(ioflags & XFS_IO_INVIS)) { ip->i_d.di_mode &= ~S_ISUID; if (ip->i_d.di_mode & S_IXGRP) ip->i_d.di_mode &= ~S_ISGID; @@ -759,7 +756,7 @@ xfs_ioc_space( out_unlock: xfs_iunlock(ip, XFS_IOLOCK_EXCL); mnt_drop_write_file(filp); - return -error; + return error; } STATIC int @@ -781,41 +778,41 @@ xfs_ioc_bulkstat( return -EPERM; if (XFS_FORCED_SHUTDOWN(mp)) - return -XFS_ERROR(EIO); + return -EIO; if (copy_from_user(&bulkreq, arg, sizeof(xfs_fsop_bulkreq_t))) - return -XFS_ERROR(EFAULT); + return -EFAULT; if (copy_from_user(&inlast, bulkreq.lastip, sizeof(__s64))) - return -XFS_ERROR(EFAULT); + return -EFAULT; if ((count = bulkreq.icount) <= 0) - return -XFS_ERROR(EINVAL); + return -EINVAL; if (bulkreq.ubuffer == NULL) - return -XFS_ERROR(EINVAL); + return -EINVAL; if (cmd == XFS_IOC_FSINUMBERS) error = xfs_inumbers(mp, &inlast, &count, bulkreq.ubuffer, xfs_inumbers_fmt); else if (cmd == XFS_IOC_FSBULKSTAT_SINGLE) - error = xfs_bulkstat_single(mp, &inlast, - bulkreq.ubuffer, &done); + error = xfs_bulkstat_one(mp, inlast, bulkreq.ubuffer, + sizeof(xfs_bstat_t), NULL, &done); else /* XFS_IOC_FSBULKSTAT */ error = xfs_bulkstat(mp, &inlast, &count, xfs_bulkstat_one, sizeof(xfs_bstat_t), bulkreq.ubuffer, &done); if (error) - return -error; + return error; if (bulkreq.ocount != NULL) { if (copy_to_user(bulkreq.lastip, &inlast, sizeof(xfs_ino_t))) - return -XFS_ERROR(EFAULT); + return -EFAULT; if (copy_to_user(bulkreq.ocount, &count, sizeof(count))) - return -XFS_ERROR(EFAULT); + return -EFAULT; } return 0; @@ -831,7 +828,7 @@ xfs_ioc_fsgeometry_v1( error = xfs_fs_geometry(mp, &fsgeo, 3); if (error) - return -error; + return error; /* * Caller should have passed an argument of type @@ -839,7 +836,7 @@ xfs_ioc_fsgeometry_v1( * xfs_fsop_geom_t that xfs_fs_geometry() fills in. */ if (copy_to_user(arg, &fsgeo, sizeof(xfs_fsop_geom_v1_t))) - return -XFS_ERROR(EFAULT); + return -EFAULT; return 0; } @@ -853,10 +850,10 @@ xfs_ioc_fsgeometry( error = xfs_fs_geometry(mp, &fsgeo, 4); if (error) - return -error; + return error; if (copy_to_user(arg, &fsgeo, sizeof(fsgeo))) - return -XFS_ERROR(EFAULT); + return -EFAULT; return 0; } @@ -1041,16 +1038,16 @@ xfs_ioctl_setattr( trace_xfs_ioctl_setattr(ip); if (mp->m_flags & XFS_MOUNT_RDONLY) - return XFS_ERROR(EROFS); + return -EROFS; if (XFS_FORCED_SHUTDOWN(mp)) - return XFS_ERROR(EIO); + return -EIO; /* * Disallow 32bit project ids when projid32bit feature is not enabled. */ if ((mask & FSX_PROJID) && (fa->fsx_projid > (__uint16_t)-1) && !xfs_sb_version_hasprojid32bit(&ip->i_mount->m_sb)) - return XFS_ERROR(EINVAL); + return -EINVAL; /* * If disk quotas is on, we make sure that the dquots do exist on disk, @@ -1088,7 +1085,7 @@ xfs_ioctl_setattr( * CAP_FSETID capability is applicable. */ if (!inode_owner_or_capable(VFS_I(ip))) { - code = XFS_ERROR(EPERM); + code = -EPERM; goto error_return; } @@ -1099,7 +1096,7 @@ xfs_ioctl_setattr( */ if (mask & FSX_PROJID) { if (current_user_ns() != &init_user_ns) { - code = XFS_ERROR(EINVAL); + code = -EINVAL; goto error_return; } @@ -1122,7 +1119,7 @@ xfs_ioctl_setattr( if (ip->i_d.di_nextents && ((ip->i_d.di_extsize << mp->m_sb.sb_blocklog) != fa->fsx_extsize)) { - code = XFS_ERROR(EINVAL); /* EFBIG? */ + code = -EINVAL; /* EFBIG? */ goto error_return; } @@ -1141,7 +1138,7 @@ xfs_ioctl_setattr( extsize_fsb = XFS_B_TO_FSB(mp, fa->fsx_extsize); if (extsize_fsb > MAXEXTLEN) { - code = XFS_ERROR(EINVAL); + code = -EINVAL; goto error_return; } @@ -1153,13 +1150,13 @@ xfs_ioctl_setattr( } else { size = mp->m_sb.sb_blocksize; if (extsize_fsb > mp->m_sb.sb_agblocks / 2) { - code = XFS_ERROR(EINVAL); + code = -EINVAL; goto error_return; } } if (fa->fsx_extsize % size) { - code = XFS_ERROR(EINVAL); + code = -EINVAL; goto error_return; } } @@ -1173,7 +1170,7 @@ xfs_ioctl_setattr( if ((ip->i_d.di_nextents || ip->i_delayed_blks) && (XFS_IS_REALTIME_INODE(ip)) != (fa->fsx_xflags & XFS_XFLAG_REALTIME)) { - code = XFS_ERROR(EINVAL); /* EFBIG? */ + code = -EINVAL; /* EFBIG? */ goto error_return; } @@ -1184,7 +1181,7 @@ xfs_ioctl_setattr( if ((mp->m_sb.sb_rblocks == 0) || (mp->m_sb.sb_rextsize == 0) || (ip->i_d.di_extsize % mp->m_sb.sb_rextsize)) { - code = XFS_ERROR(EINVAL); + code = -EINVAL; goto error_return; } } @@ -1198,7 +1195,7 @@ xfs_ioctl_setattr( (fa->fsx_xflags & (XFS_XFLAG_IMMUTABLE | XFS_XFLAG_APPEND))) && !capable(CAP_LINUX_IMMUTABLE)) { - code = XFS_ERROR(EPERM); + code = -EPERM; goto error_return; } } @@ -1301,7 +1298,7 @@ xfs_ioc_fssetxattr( return error; error = xfs_ioctl_setattr(ip, &fa, mask); mnt_drop_write_file(filp); - return -error; + return error; } STATIC int @@ -1346,7 +1343,7 @@ xfs_ioc_setxflags( return error; error = xfs_ioctl_setattr(ip, &fa, mask); mnt_drop_write_file(filp); - return -error; + return error; } STATIC int @@ -1356,7 +1353,7 @@ xfs_getbmap_format(void **ap, struct getbmapx *bmv, int *full) /* copy only getbmap portion (not getbmapx) */ if (copy_to_user(base, bmv, sizeof(struct getbmap))) - return XFS_ERROR(EFAULT); + return -EFAULT; *ap += sizeof(struct getbmap); return 0; @@ -1373,23 +1370,23 @@ xfs_ioc_getbmap( int error; if (copy_from_user(&bmx, arg, sizeof(struct getbmapx))) - return -XFS_ERROR(EFAULT); + return -EFAULT; if (bmx.bmv_count < 2) - return -XFS_ERROR(EINVAL); + return -EINVAL; bmx.bmv_iflags = (cmd == XFS_IOC_GETBMAPA ? BMV_IF_ATTRFORK : 0); - if (ioflags & IO_INVIS) + if (ioflags & XFS_IO_INVIS) bmx.bmv_iflags |= BMV_IF_NO_DMAPI_READ; error = xfs_getbmap(ip, &bmx, xfs_getbmap_format, (struct getbmap *)arg+1); if (error) - return -error; + return error; /* copy back header - only size of getbmap */ if (copy_to_user(arg, &bmx, sizeof(struct getbmap))) - return -XFS_ERROR(EFAULT); + return -EFAULT; return 0; } @@ -1399,7 +1396,7 @@ xfs_getbmapx_format(void **ap, struct getbmapx *bmv, int *full) struct getbmapx __user *base = *ap; if (copy_to_user(base, bmv, sizeof(struct getbmapx))) - return XFS_ERROR(EFAULT); + return -EFAULT; *ap += sizeof(struct getbmapx); return 0; @@ -1414,22 +1411,22 @@ xfs_ioc_getbmapx( int error; if (copy_from_user(&bmx, arg, sizeof(bmx))) - return -XFS_ERROR(EFAULT); + return -EFAULT; if (bmx.bmv_count < 2) - return -XFS_ERROR(EINVAL); + return -EINVAL; if (bmx.bmv_iflags & (~BMV_IF_VALID)) - return -XFS_ERROR(EINVAL); + return -EINVAL; error = xfs_getbmap(ip, &bmx, xfs_getbmapx_format, (struct getbmapx *)arg+1); if (error) - return -error; + return error; /* copy back header */ if (copy_to_user(arg, &bmx, sizeof(struct getbmapx))) - return -XFS_ERROR(EFAULT); + return -EFAULT; return 0; } @@ -1445,33 +1442,33 @@ xfs_ioc_swapext( /* Pull information for the target fd */ f = fdget((int)sxp->sx_fdtarget); if (!f.file) { - error = XFS_ERROR(EINVAL); + error = -EINVAL; goto out; } if (!(f.file->f_mode & FMODE_WRITE) || !(f.file->f_mode & FMODE_READ) || (f.file->f_flags & O_APPEND)) { - error = XFS_ERROR(EBADF); + error = -EBADF; goto out_put_file; } tmp = fdget((int)sxp->sx_fdtmp); if (!tmp.file) { - error = XFS_ERROR(EINVAL); + error = -EINVAL; goto out_put_file; } if (!(tmp.file->f_mode & FMODE_WRITE) || !(tmp.file->f_mode & FMODE_READ) || (tmp.file->f_flags & O_APPEND)) { - error = XFS_ERROR(EBADF); + error = -EBADF; goto out_put_tmp_file; } if (IS_SWAPFILE(file_inode(f.file)) || IS_SWAPFILE(file_inode(tmp.file))) { - error = XFS_ERROR(EINVAL); + error = -EINVAL; goto out_put_tmp_file; } @@ -1479,17 +1476,17 @@ xfs_ioc_swapext( tip = XFS_I(file_inode(tmp.file)); if (ip->i_mount != tip->i_mount) { - error = XFS_ERROR(EINVAL); + error = -EINVAL; goto out_put_tmp_file; } if (ip->i_ino == tip->i_ino) { - error = XFS_ERROR(EINVAL); + error = -EINVAL; goto out_put_tmp_file; } if (XFS_FORCED_SHUTDOWN(ip->i_mount)) { - error = XFS_ERROR(EIO); + error = -EIO; goto out_put_tmp_file; } @@ -1523,7 +1520,7 @@ xfs_file_ioctl( int error; if (filp->f_mode & FMODE_NOCMTIME) - ioflags |= IO_INVIS; + ioflags |= XFS_IO_INVIS; trace_xfs_file_ioctl(ip); @@ -1542,7 +1539,7 @@ xfs_file_ioctl( xfs_flock64_t bf; if (copy_from_user(&bf, arg, sizeof(bf))) - return -XFS_ERROR(EFAULT); + return -EFAULT; return xfs_ioc_space(ip, inode, filp, ioflags, cmd, &bf); } case XFS_IOC_DIOINFO: { @@ -1555,7 +1552,7 @@ xfs_file_ioctl( da.d_maxiosz = INT_MAX & ~(da.d_miniosz - 1); if (copy_to_user(arg, &da, sizeof(da))) - return -XFS_ERROR(EFAULT); + return -EFAULT; return 0; } @@ -1588,7 +1585,7 @@ xfs_file_ioctl( struct fsdmidata dmi; if (copy_from_user(&dmi, arg, sizeof(dmi))) - return -XFS_ERROR(EFAULT); + return -EFAULT; error = mnt_want_write_file(filp); if (error) @@ -1597,7 +1594,7 @@ xfs_file_ioctl( error = xfs_set_dmattrs(ip, dmi.fsd_dmevmask, dmi.fsd_dmstate); mnt_drop_write_file(filp); - return -error; + return error; } case XFS_IOC_GETBMAP: @@ -1613,14 +1610,14 @@ xfs_file_ioctl( xfs_fsop_handlereq_t hreq; if (copy_from_user(&hreq, arg, sizeof(hreq))) - return -XFS_ERROR(EFAULT); + return -EFAULT; return xfs_find_handle(cmd, &hreq); } case XFS_IOC_OPEN_BY_HANDLE: { xfs_fsop_handlereq_t hreq; if (copy_from_user(&hreq, arg, sizeof(xfs_fsop_handlereq_t))) - return -XFS_ERROR(EFAULT); + return -EFAULT; return xfs_open_by_handle(filp, &hreq); } case XFS_IOC_FSSETDM_BY_HANDLE: @@ -1630,7 +1627,7 @@ xfs_file_ioctl( xfs_fsop_handlereq_t hreq; if (copy_from_user(&hreq, arg, sizeof(xfs_fsop_handlereq_t))) - return -XFS_ERROR(EFAULT); + return -EFAULT; return xfs_readlink_by_handle(filp, &hreq); } case XFS_IOC_ATTRLIST_BY_HANDLE: @@ -1643,13 +1640,13 @@ xfs_file_ioctl( struct xfs_swapext sxp; if (copy_from_user(&sxp, arg, sizeof(xfs_swapext_t))) - return -XFS_ERROR(EFAULT); + return -EFAULT; error = mnt_want_write_file(filp); if (error) return error; error = xfs_ioc_swapext(&sxp); mnt_drop_write_file(filp); - return -error; + return error; } case XFS_IOC_FSCOUNTS: { @@ -1657,10 +1654,10 @@ xfs_file_ioctl( error = xfs_fs_counts(mp, &out); if (error) - return -error; + return error; if (copy_to_user(arg, &out, sizeof(out))) - return -XFS_ERROR(EFAULT); + return -EFAULT; return 0; } @@ -1672,10 +1669,10 @@ xfs_file_ioctl( return -EPERM; if (mp->m_flags & XFS_MOUNT_RDONLY) - return -XFS_ERROR(EROFS); + return -EROFS; if (copy_from_user(&inout, arg, sizeof(inout))) - return -XFS_ERROR(EFAULT); + return -EFAULT; error = mnt_want_write_file(filp); if (error) @@ -1686,10 +1683,10 @@ xfs_file_ioctl( error = xfs_reserve_blocks(mp, &in, &inout); mnt_drop_write_file(filp); if (error) - return -error; + return error; if (copy_to_user(arg, &inout, sizeof(inout))) - return -XFS_ERROR(EFAULT); + return -EFAULT; return 0; } @@ -1701,10 +1698,10 @@ xfs_file_ioctl( error = xfs_reserve_blocks(mp, NULL, &out); if (error) - return -error; + return error; if (copy_to_user(arg, &out, sizeof(out))) - return -XFS_ERROR(EFAULT); + return -EFAULT; return 0; } @@ -1713,42 +1710,42 @@ xfs_file_ioctl( xfs_growfs_data_t in; if (copy_from_user(&in, arg, sizeof(in))) - return -XFS_ERROR(EFAULT); + return -EFAULT; error = mnt_want_write_file(filp); if (error) return error; error = xfs_growfs_data(mp, &in); mnt_drop_write_file(filp); - return -error; + return error; } case XFS_IOC_FSGROWFSLOG: { xfs_growfs_log_t in; if (copy_from_user(&in, arg, sizeof(in))) - return -XFS_ERROR(EFAULT); + return -EFAULT; error = mnt_want_write_file(filp); if (error) return error; error = xfs_growfs_log(mp, &in); mnt_drop_write_file(filp); - return -error; + return error; } case XFS_IOC_FSGROWFSRT: { xfs_growfs_rt_t in; if (copy_from_user(&in, arg, sizeof(in))) - return -XFS_ERROR(EFAULT); + return -EFAULT; error = mnt_want_write_file(filp); if (error) return error; error = xfs_growfs_rt(mp, &in); mnt_drop_write_file(filp); - return -error; + return error; } case XFS_IOC_GOINGDOWN: { @@ -1758,10 +1755,9 @@ xfs_file_ioctl( return -EPERM; if (get_user(in, (__uint32_t __user *)arg)) - return -XFS_ERROR(EFAULT); + return -EFAULT; - error = xfs_fs_goingdown(mp, in); - return -error; + return xfs_fs_goingdown(mp, in); } case XFS_IOC_ERROR_INJECTION: { @@ -1771,18 +1767,16 @@ xfs_file_ioctl( return -EPERM; if (copy_from_user(&in, arg, sizeof(in))) - return -XFS_ERROR(EFAULT); + return -EFAULT; - error = xfs_errortag_add(in.errtag, mp); - return -error; + return xfs_errortag_add(in.errtag, mp); } case XFS_IOC_ERROR_CLEARALL: if (!capable(CAP_SYS_ADMIN)) return -EPERM; - error = xfs_errortag_clearall(mp, 1); - return -error; + return xfs_errortag_clearall(mp, 1); case XFS_IOC_FREE_EOFBLOCKS: { struct xfs_fs_eofblocks eofb; @@ -1792,16 +1786,16 @@ xfs_file_ioctl( return -EPERM; if (mp->m_flags & XFS_MOUNT_RDONLY) - return -XFS_ERROR(EROFS); + return -EROFS; if (copy_from_user(&eofb, arg, sizeof(eofb))) - return -XFS_ERROR(EFAULT); + return -EFAULT; error = xfs_fs_eofblocks_from_user(&eofb, &keofb); if (error) - return -error; + return error; - return -xfs_icache_free_eofblocks(mp, &keofb); + return xfs_icache_free_eofblocks(mp, &keofb); } default: diff --git a/fs/xfs/xfs_ioctl32.c b/fs/xfs/xfs_ioctl32.c index 944d5baa710a..a554646ff141 100644 --- a/fs/xfs/xfs_ioctl32.c +++ b/fs/xfs/xfs_ioctl32.c @@ -28,7 +28,6 @@ #include "xfs_sb.h" #include "xfs_ag.h" #include "xfs_mount.h" -#include "xfs_vnode.h" #include "xfs_inode.h" #include "xfs_itable.h" #include "xfs_error.h" @@ -56,7 +55,7 @@ xfs_compat_flock64_copyin( get_user(bf->l_sysid, &arg32->l_sysid) || get_user(bf->l_pid, &arg32->l_pid) || copy_from_user(bf->l_pad, &arg32->l_pad, 4*sizeof(u32))) - return -XFS_ERROR(EFAULT); + return -EFAULT; return 0; } @@ -70,10 +69,10 @@ xfs_compat_ioc_fsgeometry_v1( error = xfs_fs_geometry(mp, &fsgeo, 3); if (error) - return -error; + return error; /* The 32-bit variant simply has some padding at the end */ if (copy_to_user(arg32, &fsgeo, sizeof(struct compat_xfs_fsop_geom_v1))) - return -XFS_ERROR(EFAULT); + return -EFAULT; return 0; } @@ -84,7 +83,7 @@ xfs_compat_growfs_data_copyin( { if (get_user(in->newblocks, &arg32->newblocks) || get_user(in->imaxpct, &arg32->imaxpct)) - return -XFS_ERROR(EFAULT); + return -EFAULT; return 0; } @@ -95,14 +94,14 @@ xfs_compat_growfs_rt_copyin( { if (get_user(in->newblocks, &arg32->newblocks) || get_user(in->extsize, &arg32->extsize)) - return -XFS_ERROR(EFAULT); + return -EFAULT; return 0; } STATIC int xfs_inumbers_fmt_compat( void __user *ubuffer, - const xfs_inogrp_t *buffer, + const struct xfs_inogrp *buffer, long count, long *written) { @@ -113,7 +112,7 @@ xfs_inumbers_fmt_compat( if (put_user(buffer[i].xi_startino, &p32[i].xi_startino) || put_user(buffer[i].xi_alloccount, &p32[i].xi_alloccount) || put_user(buffer[i].xi_allocmask, &p32[i].xi_allocmask)) - return -XFS_ERROR(EFAULT); + return -EFAULT; } *written = count * sizeof(*p32); return 0; @@ -132,7 +131,7 @@ xfs_ioctl32_bstime_copyin( if (get_user(sec32, &bstime32->tv_sec) || get_user(bstime->tv_nsec, &bstime32->tv_nsec)) - return -XFS_ERROR(EFAULT); + return -EFAULT; bstime->tv_sec = sec32; return 0; } @@ -164,7 +163,7 @@ xfs_ioctl32_bstat_copyin( get_user(bstat->bs_dmevmask, &bstat32->bs_dmevmask) || get_user(bstat->bs_dmstate, &bstat32->bs_dmstate) || get_user(bstat->bs_aextents, &bstat32->bs_aextents)) - return -XFS_ERROR(EFAULT); + return -EFAULT; return 0; } @@ -180,7 +179,7 @@ xfs_bstime_store_compat( sec32 = p->tv_sec; if (put_user(sec32, &p32->tv_sec) || put_user(p->tv_nsec, &p32->tv_nsec)) - return -XFS_ERROR(EFAULT); + return -EFAULT; return 0; } @@ -195,7 +194,7 @@ xfs_bulkstat_one_fmt_compat( compat_xfs_bstat_t __user *p32 = ubuffer; if (ubsize < sizeof(*p32)) - return XFS_ERROR(ENOMEM); + return -ENOMEM; if (put_user(buffer->bs_ino, &p32->bs_ino) || put_user(buffer->bs_mode, &p32->bs_mode) || @@ -218,7 +217,7 @@ xfs_bulkstat_one_fmt_compat( put_user(buffer->bs_dmevmask, &p32->bs_dmevmask) || put_user(buffer->bs_dmstate, &p32->bs_dmstate) || put_user(buffer->bs_aextents, &p32->bs_aextents)) - return XFS_ERROR(EFAULT); + return -EFAULT; if (ubused) *ubused = sizeof(*p32); return 0; @@ -256,30 +255,30 @@ xfs_compat_ioc_bulkstat( /* should be called again (unused here, but used in dmapi) */ if (!capable(CAP_SYS_ADMIN)) - return -XFS_ERROR(EPERM); + return -EPERM; if (XFS_FORCED_SHUTDOWN(mp)) - return -XFS_ERROR(EIO); + return -EIO; if (get_user(addr, &p32->lastip)) - return -XFS_ERROR(EFAULT); + return -EFAULT; bulkreq.lastip = compat_ptr(addr); if (get_user(bulkreq.icount, &p32->icount) || get_user(addr, &p32->ubuffer)) - return -XFS_ERROR(EFAULT); + return -EFAULT; bulkreq.ubuffer = compat_ptr(addr); if (get_user(addr, &p32->ocount)) - return -XFS_ERROR(EFAULT); + return -EFAULT; bulkreq.ocount = compat_ptr(addr); if (copy_from_user(&inlast, bulkreq.lastip, sizeof(__s64))) - return -XFS_ERROR(EFAULT); + return -EFAULT; if ((count = bulkreq.icount) <= 0) - return -XFS_ERROR(EINVAL); + return -EINVAL; if (bulkreq.ubuffer == NULL) - return -XFS_ERROR(EINVAL); + return -EINVAL; if (cmd == XFS_IOC_FSINUMBERS_32) { error = xfs_inumbers(mp, &inlast, &count, @@ -294,17 +293,17 @@ xfs_compat_ioc_bulkstat( xfs_bulkstat_one_compat, sizeof(compat_xfs_bstat_t), bulkreq.ubuffer, &done); } else - error = XFS_ERROR(EINVAL); + error = -EINVAL; if (error) - return -error; + return error; if (bulkreq.ocount != NULL) { if (copy_to_user(bulkreq.lastip, &inlast, sizeof(xfs_ino_t))) - return -XFS_ERROR(EFAULT); + return -EFAULT; if (copy_to_user(bulkreq.ocount, &count, sizeof(count))) - return -XFS_ERROR(EFAULT); + return -EFAULT; } return 0; @@ -318,7 +317,7 @@ xfs_compat_handlereq_copyin( compat_xfs_fsop_handlereq_t hreq32; if (copy_from_user(&hreq32, arg32, sizeof(compat_xfs_fsop_handlereq_t))) - return -XFS_ERROR(EFAULT); + return -EFAULT; hreq->fd = hreq32.fd; hreq->path = compat_ptr(hreq32.path); @@ -352,19 +351,19 @@ xfs_compat_attrlist_by_handle( char *kbuf; if (!capable(CAP_SYS_ADMIN)) - return -XFS_ERROR(EPERM); + return -EPERM; if (copy_from_user(&al_hreq, arg, sizeof(compat_xfs_fsop_attrlist_handlereq_t))) - return -XFS_ERROR(EFAULT); + return -EFAULT; if (al_hreq.buflen < sizeof(struct attrlist) || al_hreq.buflen > XATTR_LIST_MAX) - return -XFS_ERROR(EINVAL); + return -EINVAL; /* * Reject flags, only allow namespaces. */ if (al_hreq.flags & ~(ATTR_ROOT | ATTR_SECURE)) - return -XFS_ERROR(EINVAL); + return -EINVAL; dentry = xfs_compat_handlereq_to_dentry(parfilp, &al_hreq.hreq); if (IS_ERR(dentry)) @@ -376,7 +375,7 @@ xfs_compat_attrlist_by_handle( goto out_dput; cursor = (attrlist_cursor_kern_t *)&al_hreq.pos; - error = -xfs_attr_list(XFS_I(dentry->d_inode), kbuf, al_hreq.buflen, + error = xfs_attr_list(XFS_I(dentry->d_inode), kbuf, al_hreq.buflen, al_hreq.flags, cursor); if (error) goto out_kfree; @@ -404,10 +403,10 @@ xfs_compat_attrmulti_by_handle( unsigned char *attr_name; if (!capable(CAP_SYS_ADMIN)) - return -XFS_ERROR(EPERM); + return -EPERM; if (copy_from_user(&am_hreq, arg, sizeof(compat_xfs_fsop_attrmulti_handlereq_t))) - return -XFS_ERROR(EFAULT); + return -EFAULT; /* overflow check */ if (am_hreq.opcount >= INT_MAX / sizeof(compat_xfs_attr_multiop_t)) @@ -417,7 +416,7 @@ xfs_compat_attrmulti_by_handle( if (IS_ERR(dentry)) return PTR_ERR(dentry); - error = E2BIG; + error = -E2BIG; size = am_hreq.opcount * sizeof(compat_xfs_attr_multiop_t); if (!size || size > 16 * PAGE_SIZE) goto out_dput; @@ -428,7 +427,7 @@ xfs_compat_attrmulti_by_handle( goto out_dput; } - error = ENOMEM; + error = -ENOMEM; attr_name = kmalloc(MAXNAMELEN, GFP_KERNEL); if (!attr_name) goto out_kfree_ops; @@ -439,7 +438,7 @@ xfs_compat_attrmulti_by_handle( compat_ptr(ops[i].am_attrname), MAXNAMELEN); if (ops[i].am_error == 0 || ops[i].am_error == MAXNAMELEN) - error = ERANGE; + error = -ERANGE; if (ops[i].am_error < 0) break; @@ -470,19 +469,19 @@ xfs_compat_attrmulti_by_handle( mnt_drop_write_file(parfilp); break; default: - ops[i].am_error = EINVAL; + ops[i].am_error = -EINVAL; } } if (copy_to_user(compat_ptr(am_hreq.ops), ops, size)) - error = XFS_ERROR(EFAULT); + error = -EFAULT; kfree(attr_name); out_kfree_ops: kfree(ops); out_dput: dput(dentry); - return -error; + return error; } STATIC int @@ -496,26 +495,26 @@ xfs_compat_fssetdm_by_handle( struct dentry *dentry; if (!capable(CAP_MKNOD)) - return -XFS_ERROR(EPERM); + return -EPERM; if (copy_from_user(&dmhreq, arg, sizeof(compat_xfs_fsop_setdm_handlereq_t))) - return -XFS_ERROR(EFAULT); + return -EFAULT; dentry = xfs_compat_handlereq_to_dentry(parfilp, &dmhreq.hreq); if (IS_ERR(dentry)) return PTR_ERR(dentry); if (IS_IMMUTABLE(dentry->d_inode) || IS_APPEND(dentry->d_inode)) { - error = -XFS_ERROR(EPERM); + error = -EPERM; goto out; } if (copy_from_user(&fsd, compat_ptr(dmhreq.data), sizeof(fsd))) { - error = -XFS_ERROR(EFAULT); + error = -EFAULT; goto out; } - error = -xfs_set_dmattrs(XFS_I(dentry->d_inode), fsd.fsd_dmevmask, + error = xfs_set_dmattrs(XFS_I(dentry->d_inode), fsd.fsd_dmevmask, fsd.fsd_dmstate); out: @@ -537,7 +536,7 @@ xfs_file_compat_ioctl( int error; if (filp->f_mode & FMODE_NOCMTIME) - ioflags |= IO_INVIS; + ioflags |= XFS_IO_INVIS; trace_xfs_file_compat_ioctl(ip); @@ -588,7 +587,7 @@ xfs_file_compat_ioctl( struct xfs_flock64 bf; if (xfs_compat_flock64_copyin(&bf, arg)) - return -XFS_ERROR(EFAULT); + return -EFAULT; cmd = _NATIVE_IOC(cmd, struct xfs_flock64); return xfs_ioc_space(ip, inode, filp, ioflags, cmd, &bf); } @@ -598,25 +597,25 @@ xfs_file_compat_ioctl( struct xfs_growfs_data in; if (xfs_compat_growfs_data_copyin(&in, arg)) - return -XFS_ERROR(EFAULT); + return -EFAULT; error = mnt_want_write_file(filp); if (error) return error; error = xfs_growfs_data(mp, &in); mnt_drop_write_file(filp); - return -error; + return error; } case XFS_IOC_FSGROWFSRT_32: { struct xfs_growfs_rt in; if (xfs_compat_growfs_rt_copyin(&in, arg)) - return -XFS_ERROR(EFAULT); + return -EFAULT; error = mnt_want_write_file(filp); if (error) return error; error = xfs_growfs_rt(mp, &in); mnt_drop_write_file(filp); - return -error; + return error; } #endif /* long changes size, but xfs only copiese out 32 bits */ @@ -633,13 +632,13 @@ xfs_file_compat_ioctl( if (copy_from_user(&sxp, sxu, offsetof(struct xfs_swapext, sx_stat)) || xfs_ioctl32_bstat_copyin(&sxp.sx_stat, &sxu->sx_stat)) - return -XFS_ERROR(EFAULT); + return -EFAULT; error = mnt_want_write_file(filp); if (error) return error; error = xfs_ioc_swapext(&sxp); mnt_drop_write_file(filp); - return -error; + return error; } case XFS_IOC_FSBULKSTAT_32: case XFS_IOC_FSBULKSTAT_SINGLE_32: @@ -651,7 +650,7 @@ xfs_file_compat_ioctl( struct xfs_fsop_handlereq hreq; if (xfs_compat_handlereq_copyin(&hreq, arg)) - return -XFS_ERROR(EFAULT); + return -EFAULT; cmd = _NATIVE_IOC(cmd, struct xfs_fsop_handlereq); return xfs_find_handle(cmd, &hreq); } @@ -659,14 +658,14 @@ xfs_file_compat_ioctl( struct xfs_fsop_handlereq hreq; if (xfs_compat_handlereq_copyin(&hreq, arg)) - return -XFS_ERROR(EFAULT); + return -EFAULT; return xfs_open_by_handle(filp, &hreq); } case XFS_IOC_READLINK_BY_HANDLE_32: { struct xfs_fsop_handlereq hreq; if (xfs_compat_handlereq_copyin(&hreq, arg)) - return -XFS_ERROR(EFAULT); + return -EFAULT; return xfs_readlink_by_handle(filp, &hreq); } case XFS_IOC_ATTRLIST_BY_HANDLE_32: @@ -676,6 +675,6 @@ xfs_file_compat_ioctl( case XFS_IOC_FSSETDM_BY_HANDLE_32: return xfs_compat_fssetdm_by_handle(filp, arg); default: - return -XFS_ERROR(ENOIOCTLCMD); + return -ENOIOCTLCMD; } } diff --git a/fs/xfs/xfs_iomap.c b/fs/xfs/xfs_iomap.c index 6d3ec2b6ee29..e9c47b6f5e5a 100644 --- a/fs/xfs/xfs_iomap.c +++ b/fs/xfs/xfs_iomap.c @@ -110,7 +110,7 @@ xfs_alert_fsblock_zero( (unsigned long long)imap->br_startoff, (unsigned long long)imap->br_blockcount, imap->br_state); - return EFSCORRUPTED; + return -EFSCORRUPTED; } int @@ -138,7 +138,7 @@ xfs_iomap_write_direct( error = xfs_qm_dqattach(ip, 0); if (error) - return XFS_ERROR(error); + return error; rt = XFS_IS_REALTIME_INODE(ip); extsz = xfs_get_extsz_hint(ip); @@ -148,7 +148,7 @@ xfs_iomap_write_direct( if ((offset + count) > XFS_ISIZE(ip)) { error = xfs_iomap_eof_align_last_fsb(mp, ip, extsz, &last_fsb); if (error) - return XFS_ERROR(error); + return error; } else { if (nmaps && (imap->br_startblock == HOLESTARTBLOCK)) last_fsb = MIN(last_fsb, (xfs_fileoff_t) @@ -188,7 +188,7 @@ xfs_iomap_write_direct( */ if (error) { xfs_trans_cancel(tp, 0); - return XFS_ERROR(error); + return error; } xfs_ilock(ip, XFS_ILOCK_EXCL); @@ -225,7 +225,7 @@ xfs_iomap_write_direct( * Copy any maps to caller's array and return any error. */ if (nimaps == 0) { - error = XFS_ERROR(ENOSPC); + error = -ENOSPC; goto out_unlock; } @@ -397,7 +397,8 @@ xfs_quota_calc_throttle( struct xfs_inode *ip, int type, xfs_fsblock_t *qblocks, - int *qshift) + int *qshift, + int64_t *qfreesp) { int64_t freesp; int shift = 0; @@ -406,6 +407,7 @@ xfs_quota_calc_throttle( /* over hi wmark, squash the prealloc completely */ if (dq->q_res_bcount >= dq->q_prealloc_hi_wmark) { *qblocks = 0; + *qfreesp = 0; return; } @@ -418,6 +420,9 @@ xfs_quota_calc_throttle( shift += 2; } + if (freesp < *qfreesp) + *qfreesp = freesp; + /* only overwrite the throttle values if we are more aggressive */ if ((freesp >> shift) < (*qblocks >> *qshift)) { *qblocks = freesp; @@ -476,15 +481,18 @@ xfs_iomap_prealloc_size( } /* - * Check each quota to cap the prealloc size and provide a shift - * value to throttle with. + * Check each quota to cap the prealloc size, provide a shift value to + * throttle with and adjust amount of available space. */ if (xfs_quota_need_throttle(ip, XFS_DQ_USER, alloc_blocks)) - xfs_quota_calc_throttle(ip, XFS_DQ_USER, &qblocks, &qshift); + xfs_quota_calc_throttle(ip, XFS_DQ_USER, &qblocks, &qshift, + &freesp); if (xfs_quota_need_throttle(ip, XFS_DQ_GROUP, alloc_blocks)) - xfs_quota_calc_throttle(ip, XFS_DQ_GROUP, &qblocks, &qshift); + xfs_quota_calc_throttle(ip, XFS_DQ_GROUP, &qblocks, &qshift, + &freesp); if (xfs_quota_need_throttle(ip, XFS_DQ_PROJ, alloc_blocks)) - xfs_quota_calc_throttle(ip, XFS_DQ_PROJ, &qblocks, &qshift); + xfs_quota_calc_throttle(ip, XFS_DQ_PROJ, &qblocks, &qshift, + &freesp); /* * The final prealloc size is set to the minimum of free space available @@ -552,7 +560,7 @@ xfs_iomap_write_delay( */ error = xfs_qm_dqattach_locked(ip, 0); if (error) - return XFS_ERROR(error); + return error; extsz = xfs_get_extsz_hint(ip); offset_fsb = XFS_B_TO_FSBT(mp, offset); @@ -596,11 +604,11 @@ retry: imap, &nimaps, XFS_BMAPI_ENTIRE); switch (error) { case 0: - case ENOSPC: - case EDQUOT: + case -ENOSPC: + case -EDQUOT: break; default: - return XFS_ERROR(error); + return error; } /* @@ -614,7 +622,7 @@ retry: error = 0; goto retry; } - return XFS_ERROR(error ? error : ENOSPC); + return error ? error : -ENOSPC; } if (!(imap[0].br_startblock || XFS_IS_REALTIME_INODE(ip))) @@ -663,7 +671,7 @@ xfs_iomap_write_allocate( */ error = xfs_qm_dqattach(ip, 0); if (error) - return XFS_ERROR(error); + return error; offset_fsb = XFS_B_TO_FSBT(mp, offset); count_fsb = imap->br_blockcount; @@ -690,7 +698,7 @@ xfs_iomap_write_allocate( nres, 0); if (error) { xfs_trans_cancel(tp, 0); - return XFS_ERROR(error); + return error; } xfs_ilock(ip, XFS_ILOCK_EXCL); xfs_trans_ijoin(tp, ip, 0); @@ -739,7 +747,7 @@ xfs_iomap_write_allocate( if ((map_start_fsb + count_fsb) > last_block) { count_fsb = last_block - map_start_fsb; if (count_fsb == 0) { - error = EAGAIN; + error = -EAGAIN; goto trans_cancel; } } @@ -793,7 +801,7 @@ trans_cancel: xfs_trans_cancel(tp, XFS_TRANS_RELEASE_LOG_RES | XFS_TRANS_ABORT); error0: xfs_iunlock(ip, XFS_ILOCK_EXCL); - return XFS_ERROR(error); + return error; } int @@ -853,7 +861,7 @@ xfs_iomap_write_unwritten( resblks, 0); if (error) { xfs_trans_cancel(tp, 0); - return XFS_ERROR(error); + return error; } xfs_ilock(ip, XFS_ILOCK_EXCL); @@ -892,7 +900,7 @@ xfs_iomap_write_unwritten( error = xfs_trans_commit(tp, XFS_TRANS_RELEASE_LOG_RES); xfs_iunlock(ip, XFS_ILOCK_EXCL); if (error) - return XFS_ERROR(error); + return error; if (!(imap.br_startblock || XFS_IS_REALTIME_INODE(ip))) return xfs_alert_fsblock_zero(ip, &imap); @@ -915,5 +923,5 @@ error_on_bmapi_transaction: xfs_bmap_cancel(&free_list); xfs_trans_cancel(tp, (XFS_TRANS_RELEASE_LOG_RES | XFS_TRANS_ABORT)); xfs_iunlock(ip, XFS_ILOCK_EXCL); - return XFS_ERROR(error); + return error; } diff --git a/fs/xfs/xfs_iops.c b/fs/xfs/xfs_iops.c index 205613a06068..72129493e9d3 100644 --- a/fs/xfs/xfs_iops.c +++ b/fs/xfs/xfs_iops.c @@ -72,7 +72,7 @@ xfs_initxattrs( int error = 0; for (xattr = xattr_array; xattr->name != NULL; xattr++) { - error = -xfs_attr_set(ip, xattr->name, xattr->value, + error = xfs_attr_set(ip, xattr->name, xattr->value, xattr->value_len, ATTR_SECURE); if (error < 0) break; @@ -93,7 +93,7 @@ xfs_init_security( struct inode *dir, const struct qstr *qstr) { - return -security_inode_init_security(inode, dir, qstr, + return security_inode_init_security(inode, dir, qstr, &xfs_initxattrs, NULL); } @@ -173,12 +173,12 @@ xfs_generic_create( #ifdef CONFIG_XFS_POSIX_ACL if (default_acl) { - error = -xfs_set_acl(inode, default_acl, ACL_TYPE_DEFAULT); + error = xfs_set_acl(inode, default_acl, ACL_TYPE_DEFAULT); if (error) goto out_cleanup_inode; } if (acl) { - error = -xfs_set_acl(inode, acl, ACL_TYPE_ACCESS); + error = xfs_set_acl(inode, acl, ACL_TYPE_ACCESS); if (error) goto out_cleanup_inode; } @@ -194,7 +194,7 @@ xfs_generic_create( posix_acl_release(default_acl); if (acl) posix_acl_release(acl); - return -error; + return error; out_cleanup_inode: if (!tmpfile) @@ -248,8 +248,8 @@ xfs_vn_lookup( xfs_dentry_to_name(&name, dentry, 0); error = xfs_lookup(XFS_I(dir), &name, &cip, NULL); if (unlikely(error)) { - if (unlikely(error != ENOENT)) - return ERR_PTR(-error); + if (unlikely(error != -ENOENT)) + return ERR_PTR(error); d_add(dentry, NULL); return NULL; } @@ -275,8 +275,8 @@ xfs_vn_ci_lookup( xfs_dentry_to_name(&xname, dentry, 0); error = xfs_lookup(XFS_I(dir), &xname, &ip, &ci_name); if (unlikely(error)) { - if (unlikely(error != ENOENT)) - return ERR_PTR(-error); + if (unlikely(error != -ENOENT)) + return ERR_PTR(error); /* * call d_add(dentry, NULL) here when d_drop_negative_children * is called in xfs_vn_mknod (ie. allow negative dentries @@ -311,7 +311,7 @@ xfs_vn_link( error = xfs_link(XFS_I(dir), XFS_I(inode), &name); if (unlikely(error)) - return -error; + return error; ihold(inode); d_instantiate(dentry, inode); @@ -328,7 +328,7 @@ xfs_vn_unlink( xfs_dentry_to_name(&name, dentry, 0); - error = -xfs_remove(XFS_I(dir), &name, XFS_I(dentry->d_inode)); + error = xfs_remove(XFS_I(dir), &name, XFS_I(dentry->d_inode)); if (error) return error; @@ -375,7 +375,7 @@ xfs_vn_symlink( xfs_cleanup_inode(dir, inode, dentry); iput(inode); out: - return -error; + return error; } STATIC int @@ -392,8 +392,8 @@ xfs_vn_rename( xfs_dentry_to_name(&oname, odentry, 0); xfs_dentry_to_name(&nname, ndentry, odentry->d_inode->i_mode); - return -xfs_rename(XFS_I(odir), &oname, XFS_I(odentry->d_inode), - XFS_I(ndir), &nname, new_inode ? + return xfs_rename(XFS_I(odir), &oname, XFS_I(odentry->d_inode), + XFS_I(ndir), &nname, new_inode ? XFS_I(new_inode) : NULL); } @@ -414,7 +414,7 @@ xfs_vn_follow_link( if (!link) goto out_err; - error = -xfs_readlink(XFS_I(dentry->d_inode), link); + error = xfs_readlink(XFS_I(dentry->d_inode), link); if (unlikely(error)) goto out_kfree; @@ -441,7 +441,7 @@ xfs_vn_getattr( trace_xfs_getattr(ip); if (XFS_FORCED_SHUTDOWN(mp)) - return -XFS_ERROR(EIO); + return -EIO; stat->size = XFS_ISIZE(ip); stat->dev = inode->i_sb->s_dev; @@ -546,14 +546,14 @@ xfs_setattr_nonsize( /* If acls are being inherited, we already have this checked */ if (!(flags & XFS_ATTR_NOACL)) { if (mp->m_flags & XFS_MOUNT_RDONLY) - return XFS_ERROR(EROFS); + return -EROFS; if (XFS_FORCED_SHUTDOWN(mp)) - return XFS_ERROR(EIO); + return -EIO; - error = -inode_change_ok(inode, iattr); + error = inode_change_ok(inode, iattr); if (error) - return XFS_ERROR(error); + return error; } ASSERT((mask & ATTR_SIZE) == 0); @@ -703,7 +703,7 @@ xfs_setattr_nonsize( xfs_qm_dqrele(gdqp); if (error) - return XFS_ERROR(error); + return error; /* * XXX(hch): Updating the ACL entries is not atomic vs the i_mode @@ -713,9 +713,9 @@ xfs_setattr_nonsize( * Posix ACL code seems to care about this issue either. */ if ((mask & ATTR_MODE) && !(flags & XFS_ATTR_NOACL)) { - error = -posix_acl_chmod(inode, inode->i_mode); + error = posix_acl_chmod(inode, inode->i_mode); if (error) - return XFS_ERROR(error); + return error; } return 0; @@ -748,14 +748,14 @@ xfs_setattr_size( trace_xfs_setattr(ip); if (mp->m_flags & XFS_MOUNT_RDONLY) - return XFS_ERROR(EROFS); + return -EROFS; if (XFS_FORCED_SHUTDOWN(mp)) - return XFS_ERROR(EIO); + return -EIO; - error = -inode_change_ok(inode, iattr); + error = inode_change_ok(inode, iattr); if (error) - return XFS_ERROR(error); + return error; ASSERT(xfs_isilocked(ip, XFS_IOLOCK_EXCL)); ASSERT(S_ISREG(ip->i_d.di_mode)); @@ -818,7 +818,7 @@ xfs_setattr_size( * care about here. */ if (oldsize != ip->i_d.di_size && newsize > ip->i_d.di_size) { - error = -filemap_write_and_wait_range(VFS_I(ip)->i_mapping, + error = filemap_write_and_wait_range(VFS_I(ip)->i_mapping, ip->i_d.di_size, newsize); if (error) return error; @@ -844,7 +844,7 @@ xfs_setattr_size( * much we can do about this, except to hope that the caller sees ENOMEM * and retries the truncate operation. */ - error = -block_truncate_page(inode->i_mapping, newsize, xfs_get_blocks); + error = block_truncate_page(inode->i_mapping, newsize, xfs_get_blocks); if (error) return error; truncate_setsize(inode, newsize); @@ -950,7 +950,7 @@ xfs_vn_setattr( error = xfs_setattr_nonsize(ip, iattr, 0); } - return -error; + return error; } STATIC int @@ -970,7 +970,7 @@ xfs_vn_update_time( error = xfs_trans_reserve(tp, &M_RES(mp)->tr_fsyncts, 0, 0); if (error) { xfs_trans_cancel(tp, 0); - return -error; + return error; } xfs_ilock(ip, XFS_ILOCK_EXCL); @@ -991,7 +991,7 @@ xfs_vn_update_time( } xfs_trans_ijoin(tp, ip, XFS_ILOCK_EXCL); xfs_trans_log_inode(tp, ip, XFS_ILOG_TIMESTAMP); - return -xfs_trans_commit(tp, 0); + return xfs_trans_commit(tp, 0); } #define XFS_FIEMAP_FLAGS (FIEMAP_FLAG_SYNC|FIEMAP_FLAG_XATTR) @@ -1036,7 +1036,7 @@ xfs_fiemap_format( *full = 1; /* user array now full */ } - return -error; + return error; } STATIC int @@ -1055,12 +1055,12 @@ xfs_vn_fiemap( return error; /* Set up bmap header for xfs internal routine */ - bm.bmv_offset = BTOBB(start); + bm.bmv_offset = BTOBBT(start); /* Special case for whole file */ if (length == FIEMAP_MAX_OFFSET) bm.bmv_length = -1LL; else - bm.bmv_length = BTOBB(length); + bm.bmv_length = BTOBB(start + length) - bm.bmv_offset; /* We add one because in getbmap world count includes the header */ bm.bmv_count = !fieinfo->fi_extents_max ? MAXEXTNUM : @@ -1075,7 +1075,7 @@ xfs_vn_fiemap( error = xfs_getbmap(ip, &bm, xfs_fiemap_format, fieinfo); if (error) - return -error; + return error; return 0; } diff --git a/fs/xfs/xfs_itable.c b/fs/xfs/xfs_itable.c index cb64f222d607..f71be9c68017 100644 --- a/fs/xfs/xfs_itable.c +++ b/fs/xfs/xfs_itable.c @@ -67,19 +67,17 @@ xfs_bulkstat_one_int( *stat = BULKSTAT_RV_NOTHING; if (!buffer || xfs_internal_inum(mp, ino)) - return XFS_ERROR(EINVAL); + return -EINVAL; buf = kmem_alloc(sizeof(*buf), KM_SLEEP | KM_MAYFAIL); if (!buf) - return XFS_ERROR(ENOMEM); + return -ENOMEM; error = xfs_iget(mp, NULL, ino, (XFS_IGET_DONTCACHE | XFS_IGET_UNTRUSTED), XFS_ILOCK_SHARED, &ip); - if (error) { - *stat = BULKSTAT_RV_NOTHING; + if (error) goto out_free; - } ASSERT(ip != NULL); ASSERT(ip->i_imap.im_blkno != 0); @@ -136,7 +134,6 @@ xfs_bulkstat_one_int( IRELE(ip); error = formatter(buffer, ubsize, ubused, buf); - if (!error) *stat = BULKSTAT_RV_DIDONE; @@ -154,9 +151,9 @@ xfs_bulkstat_one_fmt( const xfs_bstat_t *buffer) { if (ubsize < sizeof(*buffer)) - return XFS_ERROR(ENOMEM); + return -ENOMEM; if (copy_to_user(ubuffer, buffer, sizeof(*buffer))) - return XFS_ERROR(EFAULT); + return -EFAULT; if (ubused) *ubused = sizeof(*buffer); return 0; @@ -175,9 +172,170 @@ xfs_bulkstat_one( xfs_bulkstat_one_fmt, ubused, stat); } +/* + * Loop over all clusters in a chunk for a given incore inode allocation btree + * record. Do a readahead if there are any allocated inodes in that cluster. + */ +STATIC void +xfs_bulkstat_ichunk_ra( + struct xfs_mount *mp, + xfs_agnumber_t agno, + struct xfs_inobt_rec_incore *irec) +{ + xfs_agblock_t agbno; + struct blk_plug plug; + int blks_per_cluster; + int inodes_per_cluster; + int i; /* inode chunk index */ + + agbno = XFS_AGINO_TO_AGBNO(mp, irec->ir_startino); + blks_per_cluster = xfs_icluster_size_fsb(mp); + inodes_per_cluster = blks_per_cluster << mp->m_sb.sb_inopblog; + + blk_start_plug(&plug); + for (i = 0; i < XFS_INODES_PER_CHUNK; + i += inodes_per_cluster, agbno += blks_per_cluster) { + if (xfs_inobt_maskn(i, inodes_per_cluster) & ~irec->ir_free) { + xfs_btree_reada_bufs(mp, agno, agbno, blks_per_cluster, + &xfs_inode_buf_ops); + } + } + blk_finish_plug(&plug); +} + +/* + * Lookup the inode chunk that the given inode lives in and then get the record + * if we found the chunk. If the inode was not the last in the chunk and there + * are some left allocated, update the data for the pointed-to record as well as + * return the count of grabbed inodes. + */ +STATIC int +xfs_bulkstat_grab_ichunk( + struct xfs_btree_cur *cur, /* btree cursor */ + xfs_agino_t agino, /* starting inode of chunk */ + int *icount,/* return # of inodes grabbed */ + struct xfs_inobt_rec_incore *irec) /* btree record */ +{ + int idx; /* index into inode chunk */ + int stat; + int error = 0; + + /* Lookup the inode chunk that this inode lives in */ + error = xfs_inobt_lookup(cur, agino, XFS_LOOKUP_LE, &stat); + if (error) + return error; + if (!stat) { + *icount = 0; + return error; + } + + /* Get the record, should always work */ + error = xfs_inobt_get_rec(cur, irec, &stat); + if (error) + return error; + XFS_WANT_CORRUPTED_RETURN(stat == 1); + + /* Check if the record contains the inode in request */ + if (irec->ir_startino + XFS_INODES_PER_CHUNK <= agino) + return -EINVAL; + + idx = agino - irec->ir_startino + 1; + if (idx < XFS_INODES_PER_CHUNK && + (xfs_inobt_maskn(idx, XFS_INODES_PER_CHUNK - idx) & ~irec->ir_free)) { + int i; + + /* We got a right chunk with some left inodes allocated at it. + * Grab the chunk record. Mark all the uninteresting inodes + * free -- because they're before our start point. + */ + for (i = 0; i < idx; i++) { + if (XFS_INOBT_MASK(i) & ~irec->ir_free) + irec->ir_freecount++; + } + + irec->ir_free |= xfs_inobt_maskn(0, idx); + *icount = XFS_INODES_PER_CHUNK - irec->ir_freecount; + } + + return 0; +} + #define XFS_BULKSTAT_UBLEFT(ubleft) ((ubleft) >= statstruct_size) /* + * Process inodes in chunk with a pointer to a formatter function + * that will iget the inode and fill in the appropriate structure. + */ +int +xfs_bulkstat_ag_ichunk( + struct xfs_mount *mp, + xfs_agnumber_t agno, + struct xfs_inobt_rec_incore *irbp, + bulkstat_one_pf formatter, + size_t statstruct_size, + struct xfs_bulkstat_agichunk *acp) +{ + xfs_ino_t lastino = acp->ac_lastino; + char __user **ubufp = acp->ac_ubuffer; + int ubleft = acp->ac_ubleft; + int ubelem = acp->ac_ubelem; + int chunkidx, clustidx; + int error = 0; + xfs_agino_t agino; + + for (agino = irbp->ir_startino, chunkidx = clustidx = 0; + XFS_BULKSTAT_UBLEFT(ubleft) && + irbp->ir_freecount < XFS_INODES_PER_CHUNK; + chunkidx++, clustidx++, agino++) { + int fmterror; /* bulkstat formatter result */ + int ubused; + xfs_ino_t ino = XFS_AGINO_TO_INO(mp, agno, agino); + + ASSERT(chunkidx < XFS_INODES_PER_CHUNK); + + /* Skip if this inode is free */ + if (XFS_INOBT_MASK(chunkidx) & irbp->ir_free) { + lastino = ino; + continue; + } + + /* + * Count used inodes as free so we can tell when the + * chunk is used up. + */ + irbp->ir_freecount++; + + /* Get the inode and fill in a single buffer */ + ubused = statstruct_size; + error = formatter(mp, ino, *ubufp, ubleft, &ubused, &fmterror); + if (fmterror == BULKSTAT_RV_NOTHING) { + if (error && error != -ENOENT && error != -EINVAL) { + ubleft = 0; + break; + } + lastino = ino; + continue; + } + if (fmterror == BULKSTAT_RV_GIVEUP) { + ubleft = 0; + ASSERT(error); + break; + } + if (*ubufp) + *ubufp += ubused; + ubleft -= ubused; + ubelem++; + lastino = ino; + } + + acp->ac_lastino = lastino; + acp->ac_ubleft = ubleft; + acp->ac_ubelem = ubelem; + + return error; +} + +/* * Return stat information in bulk (by-inode) for the filesystem. */ int /* error status */ @@ -190,13 +348,10 @@ xfs_bulkstat( char __user *ubuffer, /* buffer with inode stats */ int *done) /* 1 if there are more stats to get */ { - xfs_agblock_t agbno=0;/* allocation group block number */ xfs_buf_t *agbp; /* agi header buffer */ xfs_agi_t *agi; /* agi header data */ xfs_agino_t agino; /* inode # in allocation group */ xfs_agnumber_t agno; /* allocation group number */ - int chunkidx; /* current index into inode chunk */ - int clustidx; /* current index into inode cluster */ xfs_btree_cur_t *cur; /* btree cursor for ialloc btree */ int end_of_ag; /* set if we've seen the ag end */ int error; /* error code */ @@ -209,8 +364,6 @@ xfs_bulkstat( xfs_inobt_rec_incore_t *irbuf; /* start of irec buffer */ xfs_inobt_rec_incore_t *irbufend; /* end of good irec buffer entries */ xfs_ino_t lastino; /* last inode number returned */ - int blks_per_cluster; /* # of blocks per cluster */ - int inodes_per_cluster;/* # of inodes per cluster */ int nirbuf; /* size of irbuf */ int rval; /* return value error code */ int tmp; /* result value from btree calls */ @@ -218,7 +371,6 @@ xfs_bulkstat( int ubleft; /* bytes left in user's buffer */ char __user *ubufp; /* pointer into user's buffer */ int ubelem; /* spaces used in user's buffer */ - int ubused; /* bytes used by formatter */ /* * Get the last inode value, see if there's nothing to do. @@ -233,20 +385,16 @@ xfs_bulkstat( *ubcountp = 0; return 0; } - if (!ubcountp || *ubcountp <= 0) { - return EINVAL; - } + ubcount = *ubcountp; /* statstruct's */ ubleft = ubcount * statstruct_size; /* bytes */ *ubcountp = ubelem = 0; *done = 0; fmterror = 0; ubufp = ubuffer; - blks_per_cluster = xfs_icluster_size_fsb(mp); - inodes_per_cluster = blks_per_cluster << mp->m_sb.sb_inopblog; irbuf = kmem_zalloc_greedy(&irbsize, PAGE_SIZE, PAGE_SIZE * 4); if (!irbuf) - return ENOMEM; + return -ENOMEM; nirbuf = irbsize / sizeof(*irbuf); @@ -258,14 +406,8 @@ xfs_bulkstat( while (XFS_BULKSTAT_UBLEFT(ubleft) && agno < mp->m_sb.sb_agcount) { cond_resched(); error = xfs_ialloc_read_agi(mp, NULL, agno, &agbp); - if (error) { - /* - * Skip this allocation group and go to the next one. - */ - agno++; - agino = 0; - continue; - } + if (error) + break; agi = XFS_BUF_TO_AGI(agbp); /* * Allocate and initialize a btree cursor for ialloc btree. @@ -275,96 +417,39 @@ xfs_bulkstat( irbp = irbuf; irbufend = irbuf + nirbuf; end_of_ag = 0; - /* - * If we're returning in the middle of an allocation group, - * we need to get the remainder of the chunk we're in. - */ + icount = 0; if (agino > 0) { - xfs_inobt_rec_incore_t r; - /* - * Lookup the inode chunk that this inode lives in. + * In the middle of an allocation group, we need to get + * the remainder of the chunk we're in. */ - error = xfs_inobt_lookup(cur, agino, XFS_LOOKUP_LE, - &tmp); - if (!error && /* no I/O error */ - tmp && /* lookup succeeded */ - /* got the record, should always work */ - !(error = xfs_inobt_get_rec(cur, &r, &i)) && - i == 1 && - /* this is the right chunk */ - agino < r.ir_startino + XFS_INODES_PER_CHUNK && - /* lastino was not last in chunk */ - (chunkidx = agino - r.ir_startino + 1) < - XFS_INODES_PER_CHUNK && - /* there are some left allocated */ - xfs_inobt_maskn(chunkidx, - XFS_INODES_PER_CHUNK - chunkidx) & - ~r.ir_free) { - /* - * Grab the chunk record. Mark all the - * uninteresting inodes (because they're - * before our start point) free. - */ - for (i = 0; i < chunkidx; i++) { - if (XFS_INOBT_MASK(i) & ~r.ir_free) - r.ir_freecount++; - } - r.ir_free |= xfs_inobt_maskn(0, chunkidx); + struct xfs_inobt_rec_incore r; + + error = xfs_bulkstat_grab_ichunk(cur, agino, &icount, &r); + if (error) + break; + if (icount) { irbp->ir_startino = r.ir_startino; irbp->ir_freecount = r.ir_freecount; irbp->ir_free = r.ir_free; irbp++; agino = r.ir_startino + XFS_INODES_PER_CHUNK; - icount = XFS_INODES_PER_CHUNK - r.ir_freecount; - } else { - /* - * If any of those tests failed, bump the - * inode number (just in case). - */ - agino++; - icount = 0; } - /* - * In any case, increment to the next record. - */ - if (!error) - error = xfs_btree_increment(cur, 0, &tmp); + /* Increment to the next record */ + error = xfs_btree_increment(cur, 0, &tmp); } else { - /* - * Start of ag. Lookup the first inode chunk. - */ + /* Start of ag. Lookup the first inode chunk */ error = xfs_inobt_lookup(cur, 0, XFS_LOOKUP_GE, &tmp); - icount = 0; } + if (error) + break; + /* * Loop through inode btree records in this ag, * until we run out of inodes or space in the buffer. */ while (irbp < irbufend && icount < ubcount) { - xfs_inobt_rec_incore_t r; - - /* - * Loop as long as we're unable to read the - * inode btree. - */ - while (error) { - agino += XFS_INODES_PER_CHUNK; - if (XFS_AGINO_TO_AGBNO(mp, agino) >= - be32_to_cpu(agi->agi_length)) - break; - error = xfs_inobt_lookup(cur, agino, - XFS_LOOKUP_GE, &tmp); - cond_resched(); - } - /* - * If ran off the end of the ag either with an error, - * or the normal way, set end and stop collecting. - */ - if (error) { - end_of_ag = 1; - break; - } + struct xfs_inobt_rec_incore r; error = xfs_inobt_get_rec(cur, &r, &i); if (error || i == 0) { @@ -377,25 +462,7 @@ xfs_bulkstat( * Also start read-ahead now for this chunk. */ if (r.ir_freecount < XFS_INODES_PER_CHUNK) { - struct blk_plug plug; - /* - * Loop over all clusters in the next chunk. - * Do a readahead if there are any allocated - * inodes in that cluster. - */ - blk_start_plug(&plug); - agbno = XFS_AGINO_TO_AGBNO(mp, r.ir_startino); - for (chunkidx = 0; - chunkidx < XFS_INODES_PER_CHUNK; - chunkidx += inodes_per_cluster, - agbno += blks_per_cluster) { - if (xfs_inobt_maskn(chunkidx, - inodes_per_cluster) & ~r.ir_free) - xfs_btree_reada_bufs(mp, agno, - agbno, blks_per_cluster, - &xfs_inode_buf_ops); - } - blk_finish_plug(&plug); + xfs_bulkstat_ichunk_ra(mp, agno, &r); irbp->ir_startino = r.ir_startino; irbp->ir_freecount = r.ir_freecount; irbp->ir_free = r.ir_free; @@ -422,57 +489,20 @@ xfs_bulkstat( irbufend = irbp; for (irbp = irbuf; irbp < irbufend && XFS_BULKSTAT_UBLEFT(ubleft); irbp++) { - /* - * Now process this chunk of inodes. - */ - for (agino = irbp->ir_startino, chunkidx = clustidx = 0; - XFS_BULKSTAT_UBLEFT(ubleft) && - irbp->ir_freecount < XFS_INODES_PER_CHUNK; - chunkidx++, clustidx++, agino++) { - ASSERT(chunkidx < XFS_INODES_PER_CHUNK); - - ino = XFS_AGINO_TO_INO(mp, agno, agino); - /* - * Skip if this inode is free. - */ - if (XFS_INOBT_MASK(chunkidx) & irbp->ir_free) { - lastino = ino; - continue; - } - /* - * Count used inodes as free so we can tell - * when the chunk is used up. - */ - irbp->ir_freecount++; - - /* - * Get the inode and fill in a single buffer. - */ - ubused = statstruct_size; - error = formatter(mp, ino, ubufp, ubleft, - &ubused, &fmterror); - if (fmterror == BULKSTAT_RV_NOTHING) { - if (error && error != ENOENT && - error != EINVAL) { - ubleft = 0; - rval = error; - break; - } - lastino = ino; - continue; - } - if (fmterror == BULKSTAT_RV_GIVEUP) { - ubleft = 0; - ASSERT(error); - rval = error; - break; - } - if (ubufp) - ubufp += ubused; - ubleft -= ubused; - ubelem++; - lastino = ino; - } + struct xfs_bulkstat_agichunk ac; + + ac.ac_lastino = lastino; + ac.ac_ubuffer = &ubuffer; + ac.ac_ubleft = ubleft; + ac.ac_ubelem = ubelem; + error = xfs_bulkstat_ag_ichunk(mp, agno, irbp, + formatter, statstruct_size, &ac); + if (error) + rval = error; + + lastino = ac.ac_lastino; + ubleft = ac.ac_ubleft; + ubelem = ac.ac_ubelem; cond_resched(); } @@ -512,58 +542,10 @@ xfs_bulkstat( return rval; } -/* - * Return stat information in bulk (by-inode) for the filesystem. - * Special case for non-sequential one inode bulkstat. - */ -int /* error status */ -xfs_bulkstat_single( - xfs_mount_t *mp, /* mount point for filesystem */ - xfs_ino_t *lastinop, /* inode to return */ - char __user *buffer, /* buffer with inode stats */ - int *done) /* 1 if there are more stats to get */ -{ - int count; /* count value for bulkstat call */ - int error; /* return value */ - xfs_ino_t ino; /* filesystem inode number */ - int res; /* result from bs1 */ - - /* - * note that requesting valid inode numbers which are not allocated - * to inodes will most likely cause xfs_imap_to_bp to generate warning - * messages about bad magic numbers. This is ok. The fact that - * the inode isn't actually an inode is handled by the - * error check below. Done this way to make the usual case faster - * at the expense of the error case. - */ - - ino = *lastinop; - error = xfs_bulkstat_one(mp, ino, buffer, sizeof(xfs_bstat_t), - NULL, &res); - if (error) { - /* - * Special case way failed, do it the "long" way - * to see if that works. - */ - (*lastinop)--; - count = 1; - if (xfs_bulkstat(mp, lastinop, &count, xfs_bulkstat_one, - sizeof(xfs_bstat_t), buffer, done)) - return error; - if (count == 0 || (xfs_ino_t)*lastinop != ino) - return error == EFSCORRUPTED ? - XFS_ERROR(EINVAL) : error; - else - return 0; - } - *done = 0; - return 0; -} - int xfs_inumbers_fmt( void __user *ubuffer, /* buffer to write to */ - const xfs_inogrp_t *buffer, /* buffer to read from */ + const struct xfs_inogrp *buffer, /* buffer to read from */ long count, /* # of elements to read */ long *written) /* # of bytes written */ { @@ -578,127 +560,104 @@ xfs_inumbers_fmt( */ int /* error status */ xfs_inumbers( - xfs_mount_t *mp, /* mount point for filesystem */ - xfs_ino_t *lastino, /* last inode returned */ - int *count, /* size of buffer/count returned */ - void __user *ubuffer,/* buffer with inode descriptions */ - inumbers_fmt_pf formatter) + struct xfs_mount *mp,/* mount point for filesystem */ + xfs_ino_t *lastino,/* last inode returned */ + int *count,/* size of buffer/count returned */ + void __user *ubuffer,/* buffer with inode descriptions */ + inumbers_fmt_pf formatter) { - xfs_buf_t *agbp; - xfs_agino_t agino; - xfs_agnumber_t agno; - int bcount; - xfs_inogrp_t *buffer; - int bufidx; - xfs_btree_cur_t *cur; - int error; - xfs_inobt_rec_incore_t r; - int i; - xfs_ino_t ino; - int left; - int tmp; - - ino = (xfs_ino_t)*lastino; - agno = XFS_INO_TO_AGNO(mp, ino); - agino = XFS_INO_TO_AGINO(mp, ino); - left = *count; + xfs_agnumber_t agno = XFS_INO_TO_AGNO(mp, *lastino); + xfs_agino_t agino = XFS_INO_TO_AGINO(mp, *lastino); + struct xfs_btree_cur *cur = NULL; + struct xfs_buf *agbp = NULL; + struct xfs_inogrp *buffer; + int bcount; + int left = *count; + int bufidx = 0; + int error = 0; + *count = 0; + if (agno >= mp->m_sb.sb_agcount || + *lastino != XFS_AGINO_TO_INO(mp, agno, agino)) + return error; + bcount = MIN(left, (int)(PAGE_SIZE / sizeof(*buffer))); buffer = kmem_alloc(bcount * sizeof(*buffer), KM_SLEEP); - error = bufidx = 0; - cur = NULL; - agbp = NULL; - while (left > 0 && agno < mp->m_sb.sb_agcount) { - if (agbp == NULL) { + do { + struct xfs_inobt_rec_incore r; + int stat; + + if (!agbp) { error = xfs_ialloc_read_agi(mp, NULL, agno, &agbp); - if (error) { - /* - * If we can't read the AGI of this ag, - * then just skip to the next one. - */ - ASSERT(cur == NULL); - agbp = NULL; - agno++; - agino = 0; - continue; - } + if (error) + break; + cur = xfs_inobt_init_cursor(mp, NULL, agbp, agno, XFS_BTNUM_INO); error = xfs_inobt_lookup(cur, agino, XFS_LOOKUP_GE, - &tmp); - if (error) { - xfs_btree_del_cursor(cur, XFS_BTREE_ERROR); - cur = NULL; - xfs_buf_relse(agbp); - agbp = NULL; - /* - * Move up the last inode in the current - * chunk. The lookup_ge will always get - * us the first inode in the next chunk. - */ - agino += XFS_INODES_PER_CHUNK - 1; - continue; - } - } - error = xfs_inobt_get_rec(cur, &r, &i); - if (error || i == 0) { - xfs_buf_relse(agbp); - agbp = NULL; - xfs_btree_del_cursor(cur, XFS_BTREE_NOERROR); - cur = NULL; - agno++; - agino = 0; - continue; + &stat); + if (error) + break; + if (!stat) + goto next_ag; } + + error = xfs_inobt_get_rec(cur, &r, &stat); + if (error) + break; + if (!stat) + goto next_ag; + agino = r.ir_startino + XFS_INODES_PER_CHUNK - 1; buffer[bufidx].xi_startino = XFS_AGINO_TO_INO(mp, agno, r.ir_startino); buffer[bufidx].xi_alloccount = XFS_INODES_PER_CHUNK - r.ir_freecount; buffer[bufidx].xi_allocmask = ~r.ir_free; - bufidx++; - left--; - if (bufidx == bcount) { - long written; - if (formatter(ubuffer, buffer, bufidx, &written)) { - error = XFS_ERROR(EFAULT); + if (++bufidx == bcount) { + long written; + + error = formatter(ubuffer, buffer, bufidx, &written); + if (error) break; - } ubuffer += written; *count += bufidx; bufidx = 0; } - if (left) { - error = xfs_btree_increment(cur, 0, &tmp); - if (error) { - xfs_btree_del_cursor(cur, XFS_BTREE_ERROR); - cur = NULL; - xfs_buf_relse(agbp); - agbp = NULL; - /* - * The agino value has already been bumped. - * Just try to skip up to it. - */ - agino += XFS_INODES_PER_CHUNK; - continue; - } - } - } + if (!--left) + break; + + error = xfs_btree_increment(cur, 0, &stat); + if (error) + break; + if (stat) + continue; + +next_ag: + xfs_btree_del_cursor(cur, XFS_BTREE_ERROR); + cur = NULL; + xfs_buf_relse(agbp); + agbp = NULL; + agino = 0; + } while (++agno < mp->m_sb.sb_agcount); + if (!error) { if (bufidx) { - long written; - if (formatter(ubuffer, buffer, bufidx, &written)) - error = XFS_ERROR(EFAULT); - else + long written; + + error = formatter(ubuffer, buffer, bufidx, &written); + if (!error) *count += bufidx; } *lastino = XFS_AGINO_TO_INO(mp, agno, agino); } + kmem_free(buffer); if (cur) xfs_btree_del_cursor(cur, (error ? XFS_BTREE_ERROR : XFS_BTREE_NOERROR)); if (agbp) xfs_buf_relse(agbp); + return error; } diff --git a/fs/xfs/xfs_itable.h b/fs/xfs/xfs_itable.h index 97295d91d170..aaed08022eb9 100644 --- a/fs/xfs/xfs_itable.h +++ b/fs/xfs/xfs_itable.h @@ -30,6 +30,22 @@ typedef int (*bulkstat_one_pf)(struct xfs_mount *mp, int *ubused, int *stat); +struct xfs_bulkstat_agichunk { + xfs_ino_t ac_lastino; /* last inode returned */ + char __user **ac_ubuffer;/* pointer into user's buffer */ + int ac_ubleft; /* bytes left in user's buffer */ + int ac_ubelem; /* spaces used in user's buffer */ +}; + +int +xfs_bulkstat_ag_ichunk( + struct xfs_mount *mp, + xfs_agnumber_t agno, + struct xfs_inobt_rec_incore *irbp, + bulkstat_one_pf formatter, + size_t statstruct_size, + struct xfs_bulkstat_agichunk *acp); + /* * Values for stat return value. */ @@ -50,13 +66,6 @@ xfs_bulkstat( char __user *ubuffer,/* buffer with inode stats */ int *done); /* 1 if there are more stats to get */ -int -xfs_bulkstat_single( - xfs_mount_t *mp, - xfs_ino_t *lastinop, - char __user *buffer, - int *done); - typedef int (*bulkstat_one_fmt_pf)( /* used size in bytes or negative error */ void __user *ubuffer, /* buffer to write to */ int ubsize, /* remaining user buffer sz */ diff --git a/fs/xfs/xfs_linux.h b/fs/xfs/xfs_linux.h index 825249d2dfc1..d10dc8f397c9 100644 --- a/fs/xfs/xfs_linux.h +++ b/fs/xfs/xfs_linux.h @@ -21,18 +21,6 @@ #include <linux/types.h> /* - * XFS_BIG_BLKNOS needs block layer disk addresses to be 64 bits. - * XFS_BIG_INUMS requires XFS_BIG_BLKNOS to be set. - */ -#if defined(CONFIG_LBDAF) || (BITS_PER_LONG == 64) -# define XFS_BIG_BLKNOS 1 -# define XFS_BIG_INUMS 1 -#else -# define XFS_BIG_BLKNOS 0 -# define XFS_BIG_INUMS 0 -#endif - -/* * Kernel specific type declarations for XFS */ typedef signed char __int8_t; @@ -113,7 +101,7 @@ typedef __uint64_t __psunsigned_t; #include <asm/byteorder.h> #include <asm/unaligned.h> -#include "xfs_vnode.h" +#include "xfs_fs.h" #include "xfs_stats.h" #include "xfs_sysctl.h" #include "xfs_iops.h" @@ -191,6 +179,17 @@ typedef __uint64_t __psunsigned_t; #define MAX(a,b) (max(a,b)) #define howmany(x, y) (((x)+((y)-1))/(y)) +/* + * XFS wrapper structure for sysfs support. It depends on external data + * structures and is embedded in various internal data structures to implement + * the XFS sysfs object heirarchy. Define it here for broad access throughout + * the codebase. + */ +struct xfs_kobj { + struct kobject kobject; + struct completion complete; +}; + /* Kernel uid/gid conversion. These are used to convert to/from the on disk * uid_t/gid_t types to the kuid_t/kgid_t types that the kernel uses internally. * The conversion here is type only, the value will remain the same since we @@ -331,7 +330,7 @@ static inline __uint64_t roundup_64(__uint64_t x, __uint32_t y) { x += y - 1; do_div(x, y); - return(x * y); + return x * y; } static inline __uint64_t howmany_64(__uint64_t x, __uint32_t y) diff --git a/fs/xfs/xfs_log.c b/fs/xfs/xfs_log.c index 292308dede6d..ca4fd5bd8522 100644 --- a/fs/xfs/xfs_log.c +++ b/fs/xfs/xfs_log.c @@ -34,6 +34,7 @@ #include "xfs_trace.h" #include "xfs_fsops.h" #include "xfs_cksum.h" +#include "xfs_sysfs.h" kmem_zone_t *xfs_log_ticket_zone; @@ -283,7 +284,7 @@ xlog_grant_head_wait( return 0; shutdown: list_del_init(&tic->t_queue); - return XFS_ERROR(EIO); + return -EIO; } /* @@ -377,7 +378,7 @@ xfs_log_regrant( int error = 0; if (XLOG_FORCED_SHUTDOWN(log)) - return XFS_ERROR(EIO); + return -EIO; XFS_STATS_INC(xs_try_logspace); @@ -446,7 +447,7 @@ xfs_log_reserve( ASSERT(client == XFS_TRANSACTION || client == XFS_LOG); if (XLOG_FORCED_SHUTDOWN(log)) - return XFS_ERROR(EIO); + return -EIO; XFS_STATS_INC(xs_try_logspace); @@ -454,7 +455,7 @@ xfs_log_reserve( tic = xlog_ticket_alloc(log, unit_bytes, cnt, client, permanent, KM_SLEEP | KM_MAYFAIL); if (!tic) - return XFS_ERROR(ENOMEM); + return -ENOMEM; tic->t_trans_type = t_type; *ticp = tic; @@ -590,7 +591,7 @@ xfs_log_release_iclog( { if (xlog_state_release_iclog(mp->m_log, iclog)) { xfs_force_shutdown(mp, SHUTDOWN_LOG_IO_ERROR); - return EIO; + return -EIO; } return 0; @@ -628,7 +629,7 @@ xfs_log_mount( mp->m_log = xlog_alloc_log(mp, log_target, blk_offset, num_bblks); if (IS_ERR(mp->m_log)) { - error = -PTR_ERR(mp->m_log); + error = PTR_ERR(mp->m_log); goto out; } @@ -652,18 +653,18 @@ xfs_log_mount( xfs_warn(mp, "Log size %d blocks too small, minimum size is %d blocks", mp->m_sb.sb_logblocks, min_logfsbs); - error = EINVAL; + error = -EINVAL; } else if (mp->m_sb.sb_logblocks > XFS_MAX_LOG_BLOCKS) { xfs_warn(mp, "Log size %d blocks too large, maximum size is %lld blocks", mp->m_sb.sb_logblocks, XFS_MAX_LOG_BLOCKS); - error = EINVAL; + error = -EINVAL; } else if (XFS_FSB_TO_B(mp, mp->m_sb.sb_logblocks) > XFS_MAX_LOG_BYTES) { xfs_warn(mp, "log size %lld bytes too large, maximum size is %lld bytes", XFS_FSB_TO_B(mp, mp->m_sb.sb_logblocks), XFS_MAX_LOG_BYTES); - error = EINVAL; + error = -EINVAL; } if (error) { if (xfs_sb_version_hascrc(&mp->m_sb)) { @@ -707,6 +708,11 @@ xfs_log_mount( } } + error = xfs_sysfs_init(&mp->m_log->l_kobj, &xfs_log_ktype, &mp->m_kobj, + "log"); + if (error) + goto out_destroy_ail; + /* Normal transactions can now occur */ mp->m_log->l_flags &= ~XLOG_ACTIVE_RECOVERY; @@ -947,6 +953,9 @@ xfs_log_unmount( xfs_log_quiesce(mp); xfs_trans_ail_destroy(mp); + + xfs_sysfs_del(&mp->m_log->l_kobj); + xlog_dealloc_log(mp->m_log); } @@ -1313,7 +1322,7 @@ xlog_alloc_log( xlog_in_core_t *iclog, *prev_iclog=NULL; xfs_buf_t *bp; int i; - int error = ENOMEM; + int error = -ENOMEM; uint log2_size = 0; log = kmem_zalloc(sizeof(struct xlog), KM_MAYFAIL); @@ -1340,7 +1349,7 @@ xlog_alloc_log( xlog_grant_head_init(&log->l_reserve_head); xlog_grant_head_init(&log->l_write_head); - error = EFSCORRUPTED; + error = -EFSCORRUPTED; if (xfs_sb_version_hassector(&mp->m_sb)) { log2_size = mp->m_sb.sb_logsectlog; if (log2_size < BBSHIFT) { @@ -1369,8 +1378,14 @@ xlog_alloc_log( xlog_get_iclog_buffer_size(mp, log); - error = ENOMEM; - bp = xfs_buf_alloc(mp->m_logdev_targp, 0, BTOBB(log->l_iclog_size), 0); + /* + * Use a NULL block for the extra log buffer used during splits so that + * it will trigger errors if we ever try to do IO on it without first + * having set it up properly. + */ + error = -ENOMEM; + bp = xfs_buf_alloc(mp->m_logdev_targp, XFS_BUF_DADDR_NULL, + BTOBB(log->l_iclog_size), 0); if (!bp) goto out_free_log; @@ -1463,7 +1478,7 @@ out_free_iclog: out_free_log: kmem_free(log); out: - return ERR_PTR(-error); + return ERR_PTR(error); } /* xlog_alloc_log */ @@ -1661,7 +1676,7 @@ xlog_bdstrat( xfs_buf_lock(bp); if (iclog->ic_state & XLOG_STATE_IOERROR) { - xfs_buf_ioerror(bp, EIO); + xfs_buf_ioerror(bp, -EIO); xfs_buf_stale(bp); xfs_buf_ioend(bp, 0); /* @@ -2360,7 +2375,7 @@ xlog_write( ophdr = xlog_write_setup_ophdr(log, ptr, ticket, flags); if (!ophdr) - return XFS_ERROR(EIO); + return -EIO; xlog_write_adv_cnt(&ptr, &len, &log_offset, sizeof(struct xlog_op_header)); @@ -2859,7 +2874,7 @@ restart: spin_lock(&log->l_icloglock); if (XLOG_FORCED_SHUTDOWN(log)) { spin_unlock(&log->l_icloglock); - return XFS_ERROR(EIO); + return -EIO; } iclog = log->l_iclog; @@ -3047,7 +3062,7 @@ xlog_state_release_iclog( int sync = 0; /* do we sync? */ if (iclog->ic_state & XLOG_STATE_IOERROR) - return XFS_ERROR(EIO); + return -EIO; ASSERT(atomic_read(&iclog->ic_refcnt) > 0); if (!atomic_dec_and_lock(&iclog->ic_refcnt, &log->l_icloglock)) @@ -3055,7 +3070,7 @@ xlog_state_release_iclog( if (iclog->ic_state & XLOG_STATE_IOERROR) { spin_unlock(&log->l_icloglock); - return XFS_ERROR(EIO); + return -EIO; } ASSERT(iclog->ic_state == XLOG_STATE_ACTIVE || iclog->ic_state == XLOG_STATE_WANT_SYNC); @@ -3172,7 +3187,7 @@ _xfs_log_force( iclog = log->l_iclog; if (iclog->ic_state & XLOG_STATE_IOERROR) { spin_unlock(&log->l_icloglock); - return XFS_ERROR(EIO); + return -EIO; } /* If the head iclog is not active nor dirty, we just attach @@ -3210,7 +3225,7 @@ _xfs_log_force( spin_unlock(&log->l_icloglock); if (xlog_state_release_iclog(log, iclog)) - return XFS_ERROR(EIO); + return -EIO; if (log_flushed) *log_flushed = 1; @@ -3246,7 +3261,7 @@ maybe_sleep: */ if (iclog->ic_state & XLOG_STATE_IOERROR) { spin_unlock(&log->l_icloglock); - return XFS_ERROR(EIO); + return -EIO; } XFS_STATS_INC(xs_log_force_sleep); xlog_wait(&iclog->ic_force_wait, &log->l_icloglock); @@ -3256,7 +3271,7 @@ maybe_sleep: * and the memory read should be atomic. */ if (iclog->ic_state & XLOG_STATE_IOERROR) - return XFS_ERROR(EIO); + return -EIO; if (log_flushed) *log_flushed = 1; } else { @@ -3324,7 +3339,7 @@ try_again: iclog = log->l_iclog; if (iclog->ic_state & XLOG_STATE_IOERROR) { spin_unlock(&log->l_icloglock); - return XFS_ERROR(EIO); + return -EIO; } do { @@ -3375,7 +3390,7 @@ try_again: xlog_state_switch_iclogs(log, iclog, 0); spin_unlock(&log->l_icloglock); if (xlog_state_release_iclog(log, iclog)) - return XFS_ERROR(EIO); + return -EIO; if (log_flushed) *log_flushed = 1; spin_lock(&log->l_icloglock); @@ -3390,7 +3405,7 @@ try_again: */ if (iclog->ic_state & XLOG_STATE_IOERROR) { spin_unlock(&log->l_icloglock); - return XFS_ERROR(EIO); + return -EIO; } XFS_STATS_INC(xs_log_force_sleep); xlog_wait(&iclog->ic_force_wait, &log->l_icloglock); @@ -3400,7 +3415,7 @@ try_again: * and the memory read should be atomic. */ if (iclog->ic_state & XLOG_STATE_IOERROR) - return XFS_ERROR(EIO); + return -EIO; if (log_flushed) *log_flushed = 1; diff --git a/fs/xfs/xfs_log_cil.c b/fs/xfs/xfs_log_cil.c index b3425b34e3d5..f6b79e5325dd 100644 --- a/fs/xfs/xfs_log_cil.c +++ b/fs/xfs/xfs_log_cil.c @@ -78,8 +78,6 @@ xlog_cil_init_post_recovery( { log->l_cilp->xc_ctx->ticket = xlog_cil_ticket_alloc(log); log->l_cilp->xc_ctx->sequence = 1; - log->l_cilp->xc_ctx->commit_lsn = xlog_assign_lsn(log->l_curr_cycle, - log->l_curr_block); } /* @@ -634,7 +632,7 @@ out_abort_free_ticket: xfs_log_ticket_put(tic); out_abort: xlog_cil_committed(ctx, XFS_LI_ABORTED); - return XFS_ERROR(EIO); + return -EIO; } static void @@ -928,12 +926,12 @@ xlog_cil_init( cil = kmem_zalloc(sizeof(*cil), KM_SLEEP|KM_MAYFAIL); if (!cil) - return ENOMEM; + return -ENOMEM; ctx = kmem_zalloc(sizeof(*ctx), KM_SLEEP|KM_MAYFAIL); if (!ctx) { kmem_free(cil); - return ENOMEM; + return -ENOMEM; } INIT_WORK(&cil->xc_push_work, xlog_cil_push_work); diff --git a/fs/xfs/xfs_log_priv.h b/fs/xfs/xfs_log_priv.h index 9bc403a9e54f..db7cbdeb2b42 100644 --- a/fs/xfs/xfs_log_priv.h +++ b/fs/xfs/xfs_log_priv.h @@ -405,6 +405,8 @@ struct xlog { struct xlog_grant_head l_reserve_head; struct xlog_grant_head l_write_head; + struct xfs_kobj l_kobj; + /* The following field are used for debugging; need to hold icloglock */ #ifdef DEBUG char *l_iclog_bak[XLOG_MAX_ICLOGS]; diff --git a/fs/xfs/xfs_log_recover.c b/fs/xfs/xfs_log_recover.c index 981af0f6504b..1fd5787add99 100644 --- a/fs/xfs/xfs_log_recover.c +++ b/fs/xfs/xfs_log_recover.c @@ -179,7 +179,7 @@ xlog_bread_noalign( xfs_warn(log->l_mp, "Invalid block length (0x%x) for buffer", nbblks); XFS_ERROR_REPORT(__func__, XFS_ERRLEVEL_HIGH, log->l_mp); - return EFSCORRUPTED; + return -EFSCORRUPTED; } blk_no = round_down(blk_no, log->l_sectBBsize); @@ -194,7 +194,7 @@ xlog_bread_noalign( bp->b_error = 0; if (XFS_FORCED_SHUTDOWN(log->l_mp)) - return XFS_ERROR(EIO); + return -EIO; xfs_buf_iorequest(bp); error = xfs_buf_iowait(bp); @@ -268,7 +268,7 @@ xlog_bwrite( xfs_warn(log->l_mp, "Invalid block length (0x%x) for buffer", nbblks); XFS_ERROR_REPORT(__func__, XFS_ERRLEVEL_HIGH, log->l_mp); - return EFSCORRUPTED; + return -EFSCORRUPTED; } blk_no = round_down(blk_no, log->l_sectBBsize); @@ -330,14 +330,14 @@ xlog_header_check_recover( xlog_header_check_dump(mp, head); XFS_ERROR_REPORT("xlog_header_check_recover(1)", XFS_ERRLEVEL_HIGH, mp); - return XFS_ERROR(EFSCORRUPTED); + return -EFSCORRUPTED; } else if (unlikely(!uuid_equal(&mp->m_sb.sb_uuid, &head->h_fs_uuid))) { xfs_warn(mp, "dirty log entry has mismatched uuid - can't recover"); xlog_header_check_dump(mp, head); XFS_ERROR_REPORT("xlog_header_check_recover(2)", XFS_ERRLEVEL_HIGH, mp); - return XFS_ERROR(EFSCORRUPTED); + return -EFSCORRUPTED; } return 0; } @@ -364,7 +364,7 @@ xlog_header_check_mount( xlog_header_check_dump(mp, head); XFS_ERROR_REPORT("xlog_header_check_mount", XFS_ERRLEVEL_HIGH, mp); - return XFS_ERROR(EFSCORRUPTED); + return -EFSCORRUPTED; } return 0; } @@ -462,7 +462,7 @@ xlog_find_verify_cycle( while (!(bp = xlog_get_bp(log, bufblks))) { bufblks >>= 1; if (bufblks < log->l_sectBBsize) - return ENOMEM; + return -ENOMEM; } for (i = start_blk; i < start_blk + nbblks; i += bufblks) { @@ -524,7 +524,7 @@ xlog_find_verify_log_record( if (!(bp = xlog_get_bp(log, num_blks))) { if (!(bp = xlog_get_bp(log, 1))) - return ENOMEM; + return -ENOMEM; smallmem = 1; } else { error = xlog_bread(log, start_blk, num_blks, bp, &offset); @@ -539,7 +539,7 @@ xlog_find_verify_log_record( xfs_warn(log->l_mp, "Log inconsistent (didn't find previous header)"); ASSERT(0); - error = XFS_ERROR(EIO); + error = -EIO; goto out; } @@ -564,7 +564,7 @@ xlog_find_verify_log_record( * will be called again for the end of the physical log. */ if (i == -1) { - error = -1; + error = 1; goto out; } @@ -628,7 +628,12 @@ xlog_find_head( int error, log_bbnum = log->l_logBBsize; /* Is the end of the log device zeroed? */ - if ((error = xlog_find_zeroed(log, &first_blk)) == -1) { + error = xlog_find_zeroed(log, &first_blk); + if (error < 0) { + xfs_warn(log->l_mp, "empty log check failed"); + return error; + } + if (error == 1) { *return_head_blk = first_blk; /* Is the whole lot zeroed? */ @@ -641,15 +646,12 @@ xlog_find_head( } return 0; - } else if (error) { - xfs_warn(log->l_mp, "empty log check failed"); - return error; } first_blk = 0; /* get cycle # of 1st block */ bp = xlog_get_bp(log, 1); if (!bp) - return ENOMEM; + return -ENOMEM; error = xlog_bread(log, 0, 1, bp, &offset); if (error) @@ -818,29 +820,29 @@ validate_head: start_blk = head_blk - num_scan_bblks; /* don't read head_blk */ /* start ptr at last block ptr before head_blk */ - if ((error = xlog_find_verify_log_record(log, start_blk, - &head_blk, 0)) == -1) { - error = XFS_ERROR(EIO); - goto bp_err; - } else if (error) + error = xlog_find_verify_log_record(log, start_blk, &head_blk, 0); + if (error == 1) + error = -EIO; + if (error) goto bp_err; } else { start_blk = 0; ASSERT(head_blk <= INT_MAX); - if ((error = xlog_find_verify_log_record(log, start_blk, - &head_blk, 0)) == -1) { + error = xlog_find_verify_log_record(log, start_blk, &head_blk, 0); + if (error < 0) + goto bp_err; + if (error == 1) { /* We hit the beginning of the log during our search */ start_blk = log_bbnum - (num_scan_bblks - head_blk); new_blk = log_bbnum; ASSERT(start_blk <= INT_MAX && (xfs_daddr_t) log_bbnum-start_blk >= 0); ASSERT(head_blk <= INT_MAX); - if ((error = xlog_find_verify_log_record(log, - start_blk, &new_blk, - (int)head_blk)) == -1) { - error = XFS_ERROR(EIO); - goto bp_err; - } else if (error) + error = xlog_find_verify_log_record(log, start_blk, + &new_blk, (int)head_blk); + if (error == 1) + error = -EIO; + if (error) goto bp_err; if (new_blk != log_bbnum) head_blk = new_blk; @@ -911,7 +913,7 @@ xlog_find_tail( bp = xlog_get_bp(log, 1); if (!bp) - return ENOMEM; + return -ENOMEM; if (*head_blk == 0) { /* special case */ error = xlog_bread(log, 0, 1, bp, &offset); if (error) @@ -961,7 +963,7 @@ xlog_find_tail( xfs_warn(log->l_mp, "%s: couldn't find sync record", __func__); xlog_put_bp(bp); ASSERT(0); - return XFS_ERROR(EIO); + return -EIO; } /* find blk_no of tail of log */ @@ -1092,8 +1094,8 @@ done: * * Return: * 0 => the log is completely written to - * -1 => use *blk_no as the first block of the log - * >0 => error has occurred + * 1 => use *blk_no as the first block of the log + * <0 => error has occurred */ STATIC int xlog_find_zeroed( @@ -1112,7 +1114,7 @@ xlog_find_zeroed( /* check totally zeroed log */ bp = xlog_get_bp(log, 1); if (!bp) - return ENOMEM; + return -ENOMEM; error = xlog_bread(log, 0, 1, bp, &offset); if (error) goto bp_err; @@ -1121,7 +1123,7 @@ xlog_find_zeroed( if (first_cycle == 0) { /* completely zeroed log */ *blk_no = 0; xlog_put_bp(bp); - return -1; + return 1; } /* check partially zeroed log */ @@ -1141,7 +1143,7 @@ xlog_find_zeroed( */ xfs_warn(log->l_mp, "Log inconsistent or not a log (last==0, first!=1)"); - error = XFS_ERROR(EINVAL); + error = -EINVAL; goto bp_err; } @@ -1179,19 +1181,18 @@ xlog_find_zeroed( * Potentially backup over partial log record write. We don't need * to search the end of the log because we know it is zero. */ - if ((error = xlog_find_verify_log_record(log, start_blk, - &last_blk, 0)) == -1) { - error = XFS_ERROR(EIO); - goto bp_err; - } else if (error) - goto bp_err; + error = xlog_find_verify_log_record(log, start_blk, &last_blk, 0); + if (error == 1) + error = -EIO; + if (error) + goto bp_err; *blk_no = last_blk; bp_err: xlog_put_bp(bp); if (error) return error; - return -1; + return 1; } /* @@ -1251,7 +1252,7 @@ xlog_write_log_records( while (!(bp = xlog_get_bp(log, bufblks))) { bufblks >>= 1; if (bufblks < sectbb) - return ENOMEM; + return -ENOMEM; } /* We may need to do a read at the start to fill in part of @@ -1354,7 +1355,7 @@ xlog_clear_stale_blocks( if (unlikely(head_block < tail_block || head_block >= log->l_logBBsize)) { XFS_ERROR_REPORT("xlog_clear_stale_blocks(1)", XFS_ERRLEVEL_LOW, log->l_mp); - return XFS_ERROR(EFSCORRUPTED); + return -EFSCORRUPTED; } tail_distance = tail_block + (log->l_logBBsize - head_block); } else { @@ -1366,7 +1367,7 @@ xlog_clear_stale_blocks( if (unlikely(head_block >= tail_block || head_cycle != (tail_cycle + 1))){ XFS_ERROR_REPORT("xlog_clear_stale_blocks(2)", XFS_ERRLEVEL_LOW, log->l_mp); - return XFS_ERROR(EFSCORRUPTED); + return -EFSCORRUPTED; } tail_distance = tail_block - head_block; } @@ -1551,7 +1552,7 @@ xlog_recover_add_to_trans( xfs_warn(log->l_mp, "%s: bad header magic number", __func__); ASSERT(0); - return XFS_ERROR(EIO); + return -EIO; } if (len == sizeof(xfs_trans_header_t)) xlog_recover_add_item(&trans->r_itemq); @@ -1581,7 +1582,7 @@ xlog_recover_add_to_trans( in_f->ilf_size); ASSERT(0); kmem_free(ptr); - return XFS_ERROR(EIO); + return -EIO; } item->ri_total = in_f->ilf_size; @@ -1702,7 +1703,7 @@ xlog_recover_reorder_trans( */ if (!list_empty(&sort_list)) list_splice_init(&sort_list, &trans->r_itemq); - error = XFS_ERROR(EIO); + error = -EIO; goto out; } } @@ -1943,7 +1944,7 @@ xlog_recover_do_inode_buffer( item, bp); XFS_ERROR_REPORT("xlog_recover_do_inode_buf", XFS_ERRLEVEL_LOW, mp); - return XFS_ERROR(EFSCORRUPTED); + return -EFSCORRUPTED; } buffer_nextp = (xfs_agino_t *)xfs_buf_offset(bp, @@ -2125,6 +2126,17 @@ xlog_recover_validate_buf_type( __uint16_t magic16; __uint16_t magicda; + /* + * We can only do post recovery validation on items on CRC enabled + * fielsystems as we need to know when the buffer was written to be able + * to determine if we should have replayed the item. If we replay old + * metadata over a newer buffer, then it will enter a temporarily + * inconsistent state resulting in verification failures. Hence for now + * just avoid the verification stage for non-crc filesystems + */ + if (!xfs_sb_version_hascrc(&mp->m_sb)) + return; + magic32 = be32_to_cpu(*(__be32 *)bp->b_addr); magic16 = be16_to_cpu(*(__be16*)bp->b_addr); magicda = be16_to_cpu(info->magic); @@ -2162,8 +2174,6 @@ xlog_recover_validate_buf_type( bp->b_ops = &xfs_agf_buf_ops; break; case XFS_BLFT_AGFL_BUF: - if (!xfs_sb_version_hascrc(&mp->m_sb)) - break; if (magic32 != XFS_AGFL_MAGIC) { xfs_warn(mp, "Bad AGFL block magic!"); ASSERT(0); @@ -2196,10 +2206,6 @@ xlog_recover_validate_buf_type( #endif break; case XFS_BLFT_DINO_BUF: - /* - * we get here with inode allocation buffers, not buffers that - * track unlinked list changes. - */ if (magic16 != XFS_DINODE_MAGIC) { xfs_warn(mp, "Bad INODE block magic!"); ASSERT(0); @@ -2279,8 +2285,6 @@ xlog_recover_validate_buf_type( bp->b_ops = &xfs_attr3_leaf_buf_ops; break; case XFS_BLFT_ATTR_RMT_BUF: - if (!xfs_sb_version_hascrc(&mp->m_sb)) - break; if (magic32 != XFS_ATTR3_RMT_MAGIC) { xfs_warn(mp, "Bad attr remote magic!"); ASSERT(0); @@ -2387,16 +2391,7 @@ xlog_recover_do_reg_buffer( /* Shouldn't be any more regions */ ASSERT(i == item->ri_total); - /* - * We can only do post recovery validation on items on CRC enabled - * fielsystems as we need to know when the buffer was written to be able - * to determine if we should have replayed the item. If we replay old - * metadata over a newer buffer, then it will enter a temporarily - * inconsistent state resulting in verification failures. Hence for now - * just avoid the verification stage for non-crc filesystems - */ - if (xfs_sb_version_hascrc(&mp->m_sb)) - xlog_recover_validate_buf_type(mp, bp, buf_f); + xlog_recover_validate_buf_type(mp, bp, buf_f); } /* @@ -2404,8 +2399,11 @@ xlog_recover_do_reg_buffer( * Simple algorithm: if we have found a QUOTAOFF log item of the same type * (ie. USR or GRP), then just toss this buffer away; don't recover it. * Else, treat it as a regular buffer and do recovery. + * + * Return false if the buffer was tossed and true if we recovered the buffer to + * indicate to the caller if the buffer needs writing. */ -STATIC void +STATIC bool xlog_recover_do_dquot_buffer( struct xfs_mount *mp, struct xlog *log, @@ -2420,9 +2418,8 @@ xlog_recover_do_dquot_buffer( /* * Filesystems are required to send in quota flags at mount time. */ - if (mp->m_qflags == 0) { - return; - } + if (!mp->m_qflags) + return false; type = 0; if (buf_f->blf_flags & XFS_BLF_UDQUOT_BUF) @@ -2435,9 +2432,10 @@ xlog_recover_do_dquot_buffer( * This type of quotas was turned off, so ignore this buffer */ if (log->l_quotaoffs_flag & type) - return; + return false; xlog_recover_do_reg_buffer(mp, item, bp, buf_f); + return true; } /* @@ -2496,7 +2494,7 @@ xlog_recover_buffer_pass2( bp = xfs_buf_read(mp->m_ddev_targp, buf_f->blf_blkno, buf_f->blf_len, buf_flags, NULL); if (!bp) - return XFS_ERROR(ENOMEM); + return -ENOMEM; error = bp->b_error; if (error) { xfs_buf_ioerror_alert(bp, "xlog_recover_do..(read#1)"); @@ -2504,23 +2502,44 @@ xlog_recover_buffer_pass2( } /* - * recover the buffer only if we get an LSN from it and it's less than + * Recover the buffer only if we get an LSN from it and it's less than * the lsn of the transaction we are replaying. + * + * Note that we have to be extremely careful of readahead here. + * Readahead does not attach verfiers to the buffers so if we don't + * actually do any replay after readahead because of the LSN we found + * in the buffer if more recent than that current transaction then we + * need to attach the verifier directly. Failure to do so can lead to + * future recovery actions (e.g. EFI and unlinked list recovery) can + * operate on the buffers and they won't get the verifier attached. This + * can lead to blocks on disk having the correct content but a stale + * CRC. + * + * It is safe to assume these clean buffers are currently up to date. + * If the buffer is dirtied by a later transaction being replayed, then + * the verifier will be reset to match whatever recover turns that + * buffer into. */ lsn = xlog_recover_get_buf_lsn(mp, bp); - if (lsn && lsn != -1 && XFS_LSN_CMP(lsn, current_lsn) >= 0) + if (lsn && lsn != -1 && XFS_LSN_CMP(lsn, current_lsn) >= 0) { + xlog_recover_validate_buf_type(mp, bp, buf_f); goto out_release; + } if (buf_f->blf_flags & XFS_BLF_INODE_BUF) { error = xlog_recover_do_inode_buffer(mp, item, bp, buf_f); + if (error) + goto out_release; } else if (buf_f->blf_flags & (XFS_BLF_UDQUOT_BUF|XFS_BLF_PDQUOT_BUF|XFS_BLF_GDQUOT_BUF)) { - xlog_recover_do_dquot_buffer(mp, log, item, bp, buf_f); + bool dirty; + + dirty = xlog_recover_do_dquot_buffer(mp, log, item, bp, buf_f); + if (!dirty) + goto out_release; } else { xlog_recover_do_reg_buffer(mp, item, bp, buf_f); } - if (error) - goto out_release; /* * Perform delayed write on the buffer. Asynchronous writes will be @@ -2598,7 +2617,7 @@ xfs_recover_inode_owner_change( ip = xfs_inode_alloc(mp, in_f->ilf_ino); if (!ip) - return ENOMEM; + return -ENOMEM; /* instantiate the inode */ xfs_dinode_from_disk(&ip->i_d, dip); @@ -2676,7 +2695,7 @@ xlog_recover_inode_pass2( bp = xfs_buf_read(mp->m_ddev_targp, in_f->ilf_blkno, in_f->ilf_len, 0, &xfs_inode_buf_ops); if (!bp) { - error = ENOMEM; + error = -ENOMEM; goto error; } error = bp->b_error; @@ -2697,7 +2716,7 @@ xlog_recover_inode_pass2( __func__, dip, bp, in_f->ilf_ino); XFS_ERROR_REPORT("xlog_recover_inode_pass2(1)", XFS_ERRLEVEL_LOW, mp); - error = EFSCORRUPTED; + error = -EFSCORRUPTED; goto out_release; } dicp = item->ri_buf[1].i_addr; @@ -2707,7 +2726,7 @@ xlog_recover_inode_pass2( __func__, item, in_f->ilf_ino); XFS_ERROR_REPORT("xlog_recover_inode_pass2(2)", XFS_ERRLEVEL_LOW, mp); - error = EFSCORRUPTED; + error = -EFSCORRUPTED; goto out_release; } @@ -2764,7 +2783,7 @@ xlog_recover_inode_pass2( "%s: Bad regular inode log record, rec ptr 0x%p, " "ino ptr = 0x%p, ino bp = 0x%p, ino %Ld", __func__, item, dip, bp, in_f->ilf_ino); - error = EFSCORRUPTED; + error = -EFSCORRUPTED; goto out_release; } } else if (unlikely(S_ISDIR(dicp->di_mode))) { @@ -2777,7 +2796,7 @@ xlog_recover_inode_pass2( "%s: Bad dir inode log record, rec ptr 0x%p, " "ino ptr = 0x%p, ino bp = 0x%p, ino %Ld", __func__, item, dip, bp, in_f->ilf_ino); - error = EFSCORRUPTED; + error = -EFSCORRUPTED; goto out_release; } } @@ -2790,7 +2809,7 @@ xlog_recover_inode_pass2( __func__, item, dip, bp, in_f->ilf_ino, dicp->di_nextents + dicp->di_anextents, dicp->di_nblocks); - error = EFSCORRUPTED; + error = -EFSCORRUPTED; goto out_release; } if (unlikely(dicp->di_forkoff > mp->m_sb.sb_inodesize)) { @@ -2800,7 +2819,7 @@ xlog_recover_inode_pass2( "%s: Bad inode log record, rec ptr 0x%p, dino ptr 0x%p, " "dino bp 0x%p, ino %Ld, forkoff 0x%x", __func__, item, dip, bp, in_f->ilf_ino, dicp->di_forkoff); - error = EFSCORRUPTED; + error = -EFSCORRUPTED; goto out_release; } isize = xfs_icdinode_size(dicp->di_version); @@ -2810,7 +2829,7 @@ xlog_recover_inode_pass2( xfs_alert(mp, "%s: Bad inode log record length %d, rec ptr 0x%p", __func__, item->ri_buf[1].i_len, item); - error = EFSCORRUPTED; + error = -EFSCORRUPTED; goto out_release; } @@ -2898,7 +2917,7 @@ xlog_recover_inode_pass2( default: xfs_warn(log->l_mp, "%s: Invalid flag", __func__); ASSERT(0); - error = EIO; + error = -EIO; goto out_release; } } @@ -2919,7 +2938,7 @@ out_release: error: if (need_free) kmem_free(in_f); - return XFS_ERROR(error); + return error; } /* @@ -2946,7 +2965,7 @@ xlog_recover_quotaoff_pass1( if (qoff_f->qf_flags & XFS_GQUOTA_ACCT) log->l_quotaoffs_flag |= XFS_DQ_GROUP; - return (0); + return 0; } /* @@ -2971,17 +2990,17 @@ xlog_recover_dquot_pass2( * Filesystems are required to send in quota flags at mount time. */ if (mp->m_qflags == 0) - return (0); + return 0; recddq = item->ri_buf[1].i_addr; if (recddq == NULL) { xfs_alert(log->l_mp, "NULL dquot in %s.", __func__); - return XFS_ERROR(EIO); + return -EIO; } if (item->ri_buf[1].i_len < sizeof(xfs_disk_dquot_t)) { xfs_alert(log->l_mp, "dquot too small (%d) in %s.", item->ri_buf[1].i_len, __func__); - return XFS_ERROR(EIO); + return -EIO; } /* @@ -2990,7 +3009,7 @@ xlog_recover_dquot_pass2( type = recddq->d_flags & (XFS_DQ_USER | XFS_DQ_PROJ | XFS_DQ_GROUP); ASSERT(type); if (log->l_quotaoffs_flag & type) - return (0); + return 0; /* * At this point we know that quota was _not_ turned off. @@ -3007,12 +3026,19 @@ xlog_recover_dquot_pass2( error = xfs_dqcheck(mp, recddq, dq_f->qlf_id, 0, XFS_QMOPT_DOWARN, "xlog_recover_dquot_pass2 (log copy)"); if (error) - return XFS_ERROR(EIO); + return -EIO; ASSERT(dq_f->qlf_len == 1); + /* + * At this point we are assuming that the dquots have been allocated + * and hence the buffer has valid dquots stamped in it. It should, + * therefore, pass verifier validation. If the dquot is bad, then the + * we'll return an error here, so we don't need to specifically check + * the dquot in the buffer after the verifier has run. + */ error = xfs_trans_read_buf(mp, NULL, mp->m_ddev_targp, dq_f->qlf_blkno, XFS_FSB_TO_BB(mp, dq_f->qlf_len), 0, &bp, - NULL); + &xfs_dquot_buf_ops); if (error) return error; @@ -3020,18 +3046,6 @@ xlog_recover_dquot_pass2( ddq = (xfs_disk_dquot_t *)xfs_buf_offset(bp, dq_f->qlf_boffset); /* - * At least the magic num portion should be on disk because this - * was among a chunk of dquots created earlier, and we did some - * minimal initialization then. - */ - error = xfs_dqcheck(mp, ddq, dq_f->qlf_id, 0, XFS_QMOPT_DOWARN, - "xlog_recover_dquot_pass2"); - if (error) { - xfs_buf_relse(bp); - return XFS_ERROR(EIO); - } - - /* * If the dquot has an LSN in it, recover the dquot only if it's less * than the lsn of the transaction we are replaying. */ @@ -3178,38 +3192,38 @@ xlog_recover_do_icreate_pass2( icl = (struct xfs_icreate_log *)item->ri_buf[0].i_addr; if (icl->icl_type != XFS_LI_ICREATE) { xfs_warn(log->l_mp, "xlog_recover_do_icreate_trans: bad type"); - return EINVAL; + return -EINVAL; } if (icl->icl_size != 1) { xfs_warn(log->l_mp, "xlog_recover_do_icreate_trans: bad icl size"); - return EINVAL; + return -EINVAL; } agno = be32_to_cpu(icl->icl_ag); if (agno >= mp->m_sb.sb_agcount) { xfs_warn(log->l_mp, "xlog_recover_do_icreate_trans: bad agno"); - return EINVAL; + return -EINVAL; } agbno = be32_to_cpu(icl->icl_agbno); if (!agbno || agbno == NULLAGBLOCK || agbno >= mp->m_sb.sb_agblocks) { xfs_warn(log->l_mp, "xlog_recover_do_icreate_trans: bad agbno"); - return EINVAL; + return -EINVAL; } isize = be32_to_cpu(icl->icl_isize); if (isize != mp->m_sb.sb_inodesize) { xfs_warn(log->l_mp, "xlog_recover_do_icreate_trans: bad isize"); - return EINVAL; + return -EINVAL; } count = be32_to_cpu(icl->icl_count); if (!count) { xfs_warn(log->l_mp, "xlog_recover_do_icreate_trans: bad count"); - return EINVAL; + return -EINVAL; } length = be32_to_cpu(icl->icl_length); if (!length || length >= mp->m_sb.sb_agblocks) { xfs_warn(log->l_mp, "xlog_recover_do_icreate_trans: bad length"); - return EINVAL; + return -EINVAL; } /* existing allocation is fixed value */ @@ -3218,7 +3232,7 @@ xlog_recover_do_icreate_pass2( if (count != mp->m_ialloc_inos || length != mp->m_ialloc_blks) { xfs_warn(log->l_mp, "xlog_recover_do_icreate_trans: bad count 2"); - return EINVAL; + return -EINVAL; } /* @@ -3389,7 +3403,7 @@ xlog_recover_commit_pass1( xfs_warn(log->l_mp, "%s: invalid item type (%d)", __func__, ITEM_TYPE(item)); ASSERT(0); - return XFS_ERROR(EIO); + return -EIO; } } @@ -3425,7 +3439,7 @@ xlog_recover_commit_pass2( xfs_warn(log->l_mp, "%s: invalid item type (%d)", __func__, ITEM_TYPE(item)); ASSERT(0); - return XFS_ERROR(EIO); + return -EIO; } } @@ -3560,7 +3574,7 @@ xlog_recover_process_data( /* check the log format matches our own - else we can't recover */ if (xlog_header_check_recover(log->l_mp, rhead)) - return (XFS_ERROR(EIO)); + return -EIO; while ((dp < lp) && num_logops) { ASSERT(dp + sizeof(xlog_op_header_t) <= lp); @@ -3571,7 +3585,7 @@ xlog_recover_process_data( xfs_warn(log->l_mp, "%s: bad clientid 0x%x", __func__, ohead->oh_clientid); ASSERT(0); - return (XFS_ERROR(EIO)); + return -EIO; } tid = be32_to_cpu(ohead->oh_tid); hash = XLOG_RHASH(tid); @@ -3585,7 +3599,7 @@ xlog_recover_process_data( xfs_warn(log->l_mp, "%s: bad length 0x%x", __func__, be32_to_cpu(ohead->oh_len)); WARN_ON(1); - return (XFS_ERROR(EIO)); + return -EIO; } flags = ohead->oh_flags & ~XLOG_END_TRANS; if (flags & XLOG_WAS_CONT_TRANS) @@ -3607,7 +3621,7 @@ xlog_recover_process_data( xfs_warn(log->l_mp, "%s: bad transaction", __func__); ASSERT(0); - error = XFS_ERROR(EIO); + error = -EIO; break; case 0: case XLOG_CONTINUE_TRANS: @@ -3618,7 +3632,7 @@ xlog_recover_process_data( xfs_warn(log->l_mp, "%s: bad flag 0x%x", __func__, flags); ASSERT(0); - error = XFS_ERROR(EIO); + error = -EIO; break; } if (error) { @@ -3669,7 +3683,7 @@ xlog_recover_process_efi( */ set_bit(XFS_EFI_RECOVERED, &efip->efi_flags); xfs_efi_release(efip, efip->efi_format.efi_nextents); - return XFS_ERROR(EIO); + return -EIO; } } @@ -3969,7 +3983,7 @@ xlog_unpack_data_crc( * CRC protection by punting an error back up the stack. */ if (xfs_sb_version_hascrc(&log->l_mp->m_sb)) - return EFSCORRUPTED; + return -EFSCORRUPTED; } return 0; @@ -4018,14 +4032,14 @@ xlog_valid_rec_header( if (unlikely(rhead->h_magicno != cpu_to_be32(XLOG_HEADER_MAGIC_NUM))) { XFS_ERROR_REPORT("xlog_valid_rec_header(1)", XFS_ERRLEVEL_LOW, log->l_mp); - return XFS_ERROR(EFSCORRUPTED); + return -EFSCORRUPTED; } if (unlikely( (!rhead->h_version || (be32_to_cpu(rhead->h_version) & (~XLOG_VERSION_OKBITS))))) { xfs_warn(log->l_mp, "%s: unrecognised log version (%d).", __func__, be32_to_cpu(rhead->h_version)); - return XFS_ERROR(EIO); + return -EIO; } /* LR body must have data or it wouldn't have been written */ @@ -4033,12 +4047,12 @@ xlog_valid_rec_header( if (unlikely( hlen <= 0 || hlen > INT_MAX )) { XFS_ERROR_REPORT("xlog_valid_rec_header(2)", XFS_ERRLEVEL_LOW, log->l_mp); - return XFS_ERROR(EFSCORRUPTED); + return -EFSCORRUPTED; } if (unlikely( blkno > log->l_logBBsize || blkno > INT_MAX )) { XFS_ERROR_REPORT("xlog_valid_rec_header(3)", XFS_ERRLEVEL_LOW, log->l_mp); - return XFS_ERROR(EFSCORRUPTED); + return -EFSCORRUPTED; } return 0; } @@ -4081,7 +4095,7 @@ xlog_do_recovery_pass( */ hbp = xlog_get_bp(log, 1); if (!hbp) - return ENOMEM; + return -ENOMEM; error = xlog_bread(log, tail_blk, 1, hbp, &offset); if (error) @@ -4110,11 +4124,11 @@ xlog_do_recovery_pass( } if (!hbp) - return ENOMEM; + return -ENOMEM; dbp = xlog_get_bp(log, BTOBB(h_size)); if (!dbp) { xlog_put_bp(hbp); - return ENOMEM; + return -ENOMEM; } memset(rhash, 0, sizeof(rhash)); @@ -4388,7 +4402,7 @@ xlog_do_recover( * If IO errors happened during recovery, bail out. */ if (XFS_FORCED_SHUTDOWN(log->l_mp)) { - return (EIO); + return -EIO; } /* @@ -4415,7 +4429,7 @@ xlog_do_recover( if (XFS_FORCED_SHUTDOWN(log->l_mp)) { xfs_buf_relse(bp); - return XFS_ERROR(EIO); + return -EIO; } xfs_buf_iorequest(bp); @@ -4492,7 +4506,7 @@ xlog_recover( "Please recover the log on a kernel that supports the unknown features.", (log->l_mp->m_sb.sb_features_log_incompat & XFS_SB_FEAT_INCOMPAT_LOG_UNKNOWN)); - return EINVAL; + return -EINVAL; } xfs_notice(log->l_mp, "Starting recovery (logdev: %s)", diff --git a/fs/xfs/xfs_mount.c b/fs/xfs/xfs_mount.c index 3507cd0ec400..fbf0384a466f 100644 --- a/fs/xfs/xfs_mount.c +++ b/fs/xfs/xfs_mount.c @@ -42,6 +42,7 @@ #include "xfs_trace.h" #include "xfs_icache.h" #include "xfs_dinode.h" +#include "xfs_sysfs.h" #ifdef HAVE_PERCPU_SB @@ -60,6 +61,8 @@ static DEFINE_MUTEX(xfs_uuid_table_mutex); static int xfs_uuid_table_size; static uuid_t *xfs_uuid_table; +extern struct kset *xfs_kset; + /* * See if the UUID is unique among mounted XFS filesystems. * Mount fails if UUID is nil or a FS with the same UUID is already mounted. @@ -76,7 +79,7 @@ xfs_uuid_mount( if (uuid_is_nil(uuid)) { xfs_warn(mp, "Filesystem has nil UUID - can't mount"); - return XFS_ERROR(EINVAL); + return -EINVAL; } mutex_lock(&xfs_uuid_table_mutex); @@ -104,7 +107,7 @@ xfs_uuid_mount( out_duplicate: mutex_unlock(&xfs_uuid_table_mutex); xfs_warn(mp, "Filesystem has duplicate UUID %pU - can't mount", uuid); - return XFS_ERROR(EINVAL); + return -EINVAL; } STATIC void @@ -173,13 +176,9 @@ xfs_sb_validate_fsb_count( ASSERT(PAGE_SHIFT >= sbp->sb_blocklog); ASSERT(sbp->sb_blocklog >= BBSHIFT); -#if XFS_BIG_BLKNOS /* Limited by ULONG_MAX of page cache index */ + /* Limited by ULONG_MAX of page cache index */ if (nblocks >> (PAGE_CACHE_SHIFT - sbp->sb_blocklog) > ULONG_MAX) - return EFBIG; -#else /* Limited by UINT_MAX of sectors */ - if (nblocks << (sbp->sb_blocklog - BBSHIFT) > UINT_MAX) - return EFBIG; -#endif + return -EFBIG; return 0; } @@ -250,9 +249,9 @@ xfs_initialize_perag( mp->m_flags &= ~XFS_MOUNT_32BITINODES; if (mp->m_flags & XFS_MOUNT_32BITINODES) - index = xfs_set_inode32(mp); + index = xfs_set_inode32(mp, agcount); else - index = xfs_set_inode64(mp); + index = xfs_set_inode64(mp, agcount); if (maxagi) *maxagi = index; @@ -308,15 +307,15 @@ reread: if (!bp) { if (loud) xfs_warn(mp, "SB buffer read failed"); - return EIO; + return -EIO; } if (bp->b_error) { error = bp->b_error; if (loud) xfs_warn(mp, "SB validate failed with error %d.", error); /* bad CRC means corrupted metadata */ - if (error == EFSBADCRC) - error = EFSCORRUPTED; + if (error == -EFSBADCRC) + error = -EFSCORRUPTED; goto release_buf; } @@ -324,7 +323,6 @@ reread: * Initialize the mount structure from the superblock. */ xfs_sb_from_disk(sbp, XFS_BUF_TO_SBP(bp)); - xfs_sb_quota_from_disk(sbp); /* * If we haven't validated the superblock, do so now before we try @@ -333,7 +331,7 @@ reread: if (sbp->sb_magicnum != XFS_SB_MAGIC) { if (loud) xfs_warn(mp, "Invalid superblock magic number"); - error = EINVAL; + error = -EINVAL; goto release_buf; } @@ -344,7 +342,7 @@ reread: if (loud) xfs_warn(mp, "device supports %u byte sectors (not %u)", sector_size, sbp->sb_sectsize); - error = ENOSYS; + error = -ENOSYS; goto release_buf; } @@ -392,7 +390,7 @@ xfs_update_alignment(xfs_mount_t *mp) xfs_warn(mp, "alignment check failed: sunit/swidth vs. blocksize(%d)", sbp->sb_blocksize); - return XFS_ERROR(EINVAL); + return -EINVAL; } else { /* * Convert the stripe unit and width to FSBs. @@ -402,14 +400,14 @@ xfs_update_alignment(xfs_mount_t *mp) xfs_warn(mp, "alignment check failed: sunit/swidth vs. agsize(%d)", sbp->sb_agblocks); - return XFS_ERROR(EINVAL); + return -EINVAL; } else if (mp->m_dalign) { mp->m_swidth = XFS_BB_TO_FSBT(mp, mp->m_swidth); } else { xfs_warn(mp, "alignment check failed: sunit(%d) less than bsize(%d)", mp->m_dalign, sbp->sb_blocksize); - return XFS_ERROR(EINVAL); + return -EINVAL; } } @@ -429,7 +427,7 @@ xfs_update_alignment(xfs_mount_t *mp) } else { xfs_warn(mp, "cannot change alignment: superblock does not support data alignment"); - return XFS_ERROR(EINVAL); + return -EINVAL; } } else if ((mp->m_flags & XFS_MOUNT_NOALIGN) != XFS_MOUNT_NOALIGN && xfs_sb_version_hasdalign(&mp->m_sb)) { @@ -556,14 +554,14 @@ xfs_check_sizes(xfs_mount_t *mp) d = (xfs_daddr_t)XFS_FSB_TO_BB(mp, mp->m_sb.sb_dblocks); if (XFS_BB_TO_FSB(mp, d) != mp->m_sb.sb_dblocks) { xfs_warn(mp, "filesystem size mismatch detected"); - return XFS_ERROR(EFBIG); + return -EFBIG; } bp = xfs_buf_read_uncached(mp->m_ddev_targp, d - XFS_FSS_TO_BB(mp, 1), XFS_FSS_TO_BB(mp, 1), 0, NULL); if (!bp) { xfs_warn(mp, "last sector read failed"); - return EIO; + return -EIO; } xfs_buf_relse(bp); @@ -571,14 +569,14 @@ xfs_check_sizes(xfs_mount_t *mp) d = (xfs_daddr_t)XFS_FSB_TO_BB(mp, mp->m_sb.sb_logblocks); if (XFS_BB_TO_FSB(mp, d) != mp->m_sb.sb_logblocks) { xfs_warn(mp, "log size mismatch detected"); - return XFS_ERROR(EFBIG); + return -EFBIG; } bp = xfs_buf_read_uncached(mp->m_logdev_targp, d - XFS_FSB_TO_BB(mp, 1), XFS_FSB_TO_BB(mp, 1), 0, NULL); if (!bp) { xfs_warn(mp, "log device read failed"); - return EIO; + return -EIO; } xfs_buf_relse(bp); } @@ -731,10 +729,15 @@ xfs_mountfs( xfs_set_maxicount(mp); - error = xfs_uuid_mount(mp); + mp->m_kobj.kobject.kset = xfs_kset; + error = xfs_sysfs_init(&mp->m_kobj, &xfs_mp_ktype, NULL, mp->m_fsname); if (error) goto out; + error = xfs_uuid_mount(mp); + if (error) + goto out_remove_sysfs; + /* * Set the minimum read and write sizes */ @@ -816,7 +819,7 @@ xfs_mountfs( if (!sbp->sb_logblocks) { xfs_warn(mp, "no log defined"); XFS_ERROR_REPORT("xfs_mountfs", XFS_ERRLEVEL_LOW, mp); - error = XFS_ERROR(EFSCORRUPTED); + error = -EFSCORRUPTED; goto out_free_perag; } @@ -855,7 +858,7 @@ xfs_mountfs( !mp->m_sb.sb_inprogress) { error = xfs_initialize_perag_data(mp, sbp->sb_agcount); if (error) - goto out_fail_wait; + goto out_log_dealloc; } /* @@ -876,7 +879,7 @@ xfs_mountfs( xfs_iunlock(rip, XFS_ILOCK_EXCL); XFS_ERROR_REPORT("xfs_mountfs_int(2)", XFS_ERRLEVEL_LOW, mp); - error = XFS_ERROR(EFSCORRUPTED); + error = -EFSCORRUPTED; goto out_rele_rip; } mp->m_rootip = rip; /* save it */ @@ -927,7 +930,7 @@ xfs_mountfs( xfs_notice(mp, "resetting quota flags"); error = xfs_mount_reset_sbqflags(mp); if (error) - return error; + goto out_rtunmount; } } @@ -989,6 +992,8 @@ xfs_mountfs( xfs_da_unmount(mp); out_remove_uuid: xfs_uuid_unmount(mp); + out_remove_sysfs: + xfs_sysfs_del(&mp->m_kobj); out: return error; } @@ -1071,6 +1076,8 @@ xfs_unmountfs( xfs_errortag_clearall(mp, 0); #endif xfs_free_perag(mp); + + xfs_sysfs_del(&mp->m_kobj); } int @@ -1152,7 +1159,7 @@ xfs_mod_incore_sb_unlocked( lcounter += delta; if (lcounter < 0) { ASSERT(0); - return XFS_ERROR(EINVAL); + return -EINVAL; } mp->m_sb.sb_icount = lcounter; return 0; @@ -1161,7 +1168,7 @@ xfs_mod_incore_sb_unlocked( lcounter += delta; if (lcounter < 0) { ASSERT(0); - return XFS_ERROR(EINVAL); + return -EINVAL; } mp->m_sb.sb_ifree = lcounter; return 0; @@ -1191,7 +1198,7 @@ xfs_mod_incore_sb_unlocked( * blocks if were allowed to. */ if (!rsvd) - return XFS_ERROR(ENOSPC); + return -ENOSPC; lcounter = (long long)mp->m_resblks_avail + delta; if (lcounter >= 0) { @@ -1202,7 +1209,7 @@ xfs_mod_incore_sb_unlocked( "Filesystem \"%s\": reserve blocks depleted! " "Consider increasing reserve pool size.", mp->m_fsname); - return XFS_ERROR(ENOSPC); + return -ENOSPC; } mp->m_sb.sb_fdblocks = lcounter + XFS_ALLOC_SET_ASIDE(mp); @@ -1211,7 +1218,7 @@ xfs_mod_incore_sb_unlocked( lcounter = (long long)mp->m_sb.sb_frextents; lcounter += delta; if (lcounter < 0) { - return XFS_ERROR(ENOSPC); + return -ENOSPC; } mp->m_sb.sb_frextents = lcounter; return 0; @@ -1220,7 +1227,7 @@ xfs_mod_incore_sb_unlocked( lcounter += delta; if (lcounter < 0) { ASSERT(0); - return XFS_ERROR(EINVAL); + return -EINVAL; } mp->m_sb.sb_dblocks = lcounter; return 0; @@ -1229,7 +1236,7 @@ xfs_mod_incore_sb_unlocked( scounter += delta; if (scounter < 0) { ASSERT(0); - return XFS_ERROR(EINVAL); + return -EINVAL; } mp->m_sb.sb_agcount = scounter; return 0; @@ -1238,7 +1245,7 @@ xfs_mod_incore_sb_unlocked( scounter += delta; if (scounter < 0) { ASSERT(0); - return XFS_ERROR(EINVAL); + return -EINVAL; } mp->m_sb.sb_imax_pct = scounter; return 0; @@ -1247,7 +1254,7 @@ xfs_mod_incore_sb_unlocked( scounter += delta; if (scounter < 0) { ASSERT(0); - return XFS_ERROR(EINVAL); + return -EINVAL; } mp->m_sb.sb_rextsize = scounter; return 0; @@ -1256,7 +1263,7 @@ xfs_mod_incore_sb_unlocked( scounter += delta; if (scounter < 0) { ASSERT(0); - return XFS_ERROR(EINVAL); + return -EINVAL; } mp->m_sb.sb_rbmblocks = scounter; return 0; @@ -1265,7 +1272,7 @@ xfs_mod_incore_sb_unlocked( lcounter += delta; if (lcounter < 0) { ASSERT(0); - return XFS_ERROR(EINVAL); + return -EINVAL; } mp->m_sb.sb_rblocks = lcounter; return 0; @@ -1274,7 +1281,7 @@ xfs_mod_incore_sb_unlocked( lcounter += delta; if (lcounter < 0) { ASSERT(0); - return XFS_ERROR(EINVAL); + return -EINVAL; } mp->m_sb.sb_rextents = lcounter; return 0; @@ -1283,13 +1290,13 @@ xfs_mod_incore_sb_unlocked( scounter += delta; if (scounter < 0) { ASSERT(0); - return XFS_ERROR(EINVAL); + return -EINVAL; } mp->m_sb.sb_rextslog = scounter; return 0; default: ASSERT(0); - return XFS_ERROR(EINVAL); + return -EINVAL; } } @@ -1452,7 +1459,7 @@ xfs_dev_is_read_only( (mp->m_rtdev_targp && xfs_readonly_buftarg(mp->m_rtdev_targp))) { xfs_notice(mp, "%s required on read-only device.", message); xfs_notice(mp, "write access unavailable, cannot proceed."); - return EROFS; + return -EROFS; } return 0; } @@ -1995,7 +2002,7 @@ slow_path: * (e.g. lots of space just got freed). After that * we are done. */ - if (ret != ENOSPC) + if (ret != -ENOSPC) xfs_icsb_balance_counter(mp, field, 0); xfs_icsb_unlock(mp); return ret; diff --git a/fs/xfs/xfs_mount.h b/fs/xfs/xfs_mount.h index 7295a0b7c343..b0447c86e7e2 100644 --- a/fs/xfs/xfs_mount.h +++ b/fs/xfs/xfs_mount.h @@ -166,6 +166,7 @@ typedef struct xfs_mount { on the next remount,rw */ int64_t m_low_space[XFS_LOWSP_MAX]; /* low free space thresholds */ + struct xfs_kobj m_kobj; struct workqueue_struct *m_data_workqueue; struct workqueue_struct *m_unwritten_workqueue; diff --git a/fs/xfs/xfs_mru_cache.c b/fs/xfs/xfs_mru_cache.c index f99b4933dc22..1eb6f3df698c 100644 --- a/fs/xfs/xfs_mru_cache.c +++ b/fs/xfs/xfs_mru_cache.c @@ -337,20 +337,20 @@ xfs_mru_cache_create( *mrup = NULL; if (!mrup || !grp_count || !lifetime_ms || !free_func) - return EINVAL; + return -EINVAL; if (!(grp_time = msecs_to_jiffies(lifetime_ms) / grp_count)) - return EINVAL; + return -EINVAL; if (!(mru = kmem_zalloc(sizeof(*mru), KM_SLEEP))) - return ENOMEM; + return -ENOMEM; /* An extra list is needed to avoid reaping up to a grp_time early. */ mru->grp_count = grp_count + 1; mru->lists = kmem_zalloc(mru->grp_count * sizeof(*mru->lists), KM_SLEEP); if (!mru->lists) { - err = ENOMEM; + err = -ENOMEM; goto exit; } @@ -434,16 +434,16 @@ xfs_mru_cache_insert( ASSERT(mru && mru->lists); if (!mru || !mru->lists) - return EINVAL; + return -EINVAL; if (radix_tree_preload(GFP_KERNEL)) - return ENOMEM; + return -ENOMEM; INIT_LIST_HEAD(&elem->list_node); elem->key = key; spin_lock(&mru->lock); - error = -radix_tree_insert(&mru->store, key, elem); + error = radix_tree_insert(&mru->store, key, elem); radix_tree_preload_end(); if (!error) _xfs_mru_cache_list_insert(mru, elem); diff --git a/fs/xfs/xfs_qm.c b/fs/xfs/xfs_qm.c index 6d26759c779a..10232102b4a6 100644 --- a/fs/xfs/xfs_qm.c +++ b/fs/xfs/xfs_qm.c @@ -98,18 +98,18 @@ restart: next_index = be32_to_cpu(dqp->q_core.d_id) + 1; error = execute(batch[i], data); - if (error == EAGAIN) { + if (error == -EAGAIN) { skipped++; continue; } - if (error && last_error != EFSCORRUPTED) + if (error && last_error != -EFSCORRUPTED) last_error = error; } mutex_unlock(&qi->qi_tree_lock); /* bail out if the filesystem is corrupted. */ - if (last_error == EFSCORRUPTED) { + if (last_error == -EFSCORRUPTED) { skipped = 0; break; } @@ -138,7 +138,7 @@ xfs_qm_dqpurge( xfs_dqlock(dqp); if ((dqp->dq_flags & XFS_DQ_FREEING) || dqp->q_nrefs != 0) { xfs_dqunlock(dqp); - return EAGAIN; + return -EAGAIN; } dqp->dq_flags |= XFS_DQ_FREEING; @@ -221,100 +221,6 @@ xfs_qm_unmount( } } - -/* - * This is called from xfs_mountfs to start quotas and initialize all - * necessary data structures like quotainfo. This is also responsible for - * running a quotacheck as necessary. We are guaranteed that the superblock - * is consistently read in at this point. - * - * If we fail here, the mount will continue with quota turned off. We don't - * need to inidicate success or failure at all. - */ -void -xfs_qm_mount_quotas( - xfs_mount_t *mp) -{ - int error = 0; - uint sbf; - - /* - * If quotas on realtime volumes is not supported, we disable - * quotas immediately. - */ - if (mp->m_sb.sb_rextents) { - xfs_notice(mp, "Cannot turn on quotas for realtime filesystem"); - mp->m_qflags = 0; - goto write_changes; - } - - ASSERT(XFS_IS_QUOTA_RUNNING(mp)); - - /* - * Allocate the quotainfo structure inside the mount struct, and - * create quotainode(s), and change/rev superblock if necessary. - */ - error = xfs_qm_init_quotainfo(mp); - if (error) { - /* - * We must turn off quotas. - */ - ASSERT(mp->m_quotainfo == NULL); - mp->m_qflags = 0; - goto write_changes; - } - /* - * If any of the quotas are not consistent, do a quotacheck. - */ - if (XFS_QM_NEED_QUOTACHECK(mp)) { - error = xfs_qm_quotacheck(mp); - if (error) { - /* Quotacheck failed and disabled quotas. */ - return; - } - } - /* - * If one type of quotas is off, then it will lose its - * quotachecked status, since we won't be doing accounting for - * that type anymore. - */ - if (!XFS_IS_UQUOTA_ON(mp)) - mp->m_qflags &= ~XFS_UQUOTA_CHKD; - if (!XFS_IS_GQUOTA_ON(mp)) - mp->m_qflags &= ~XFS_GQUOTA_CHKD; - if (!XFS_IS_PQUOTA_ON(mp)) - mp->m_qflags &= ~XFS_PQUOTA_CHKD; - - write_changes: - /* - * We actually don't have to acquire the m_sb_lock at all. - * This can only be called from mount, and that's single threaded. XXX - */ - spin_lock(&mp->m_sb_lock); - sbf = mp->m_sb.sb_qflags; - mp->m_sb.sb_qflags = mp->m_qflags & XFS_MOUNT_QUOTA_ALL; - spin_unlock(&mp->m_sb_lock); - - if (sbf != (mp->m_qflags & XFS_MOUNT_QUOTA_ALL)) { - if (xfs_qm_write_sb_changes(mp, XFS_SB_QFLAGS)) { - /* - * We could only have been turning quotas off. - * We aren't in very good shape actually because - * the incore structures are convinced that quotas are - * off, but the on disk superblock doesn't know that ! - */ - ASSERT(!(XFS_IS_QUOTA_RUNNING(mp))); - xfs_alert(mp, "%s: Superblock update failed!", - __func__); - } - } - - if (error) { - xfs_warn(mp, "Failed to initialize disk quotas."); - return; - } -} - /* * Called from the vfsops layer. */ @@ -671,7 +577,7 @@ xfs_qm_init_quotainfo( qinf = mp->m_quotainfo = kmem_zalloc(sizeof(xfs_quotainfo_t), KM_SLEEP); - error = -list_lru_init(&qinf->qi_lru); + error = list_lru_init(&qinf->qi_lru); if (error) goto out_free_qinf; @@ -995,7 +901,7 @@ xfs_qm_dqiter_bufs( * will leave a trace in the log indicating corruption has * been detected. */ - if (error == EFSCORRUPTED) { + if (error == -EFSCORRUPTED) { error = xfs_trans_read_buf(mp, NULL, mp->m_ddev_targp, XFS_FSB_TO_DADDR(mp, bno), mp->m_quotainfo->qi_dqchunklen, 0, &bp, @@ -1005,6 +911,12 @@ xfs_qm_dqiter_bufs( if (error) break; + /* + * A corrupt buffer might not have a verifier attached, so + * make sure we have the correct one attached before writeback + * occurs. + */ + bp->b_ops = &xfs_dquot_buf_ops; xfs_qm_reset_dqcounts(mp, bp, firstid, type); xfs_buf_delwri_queue(bp, buffer_list); xfs_buf_relse(bp); @@ -1090,7 +1002,7 @@ xfs_qm_dqiterate( xfs_buf_readahead(mp->m_ddev_targp, XFS_FSB_TO_DADDR(mp, rablkno), mp->m_quotainfo->qi_dqchunklen, - NULL); + &xfs_dquot_buf_ops); rablkno++; } } @@ -1138,8 +1050,8 @@ xfs_qm_quotacheck_dqadjust( /* * Shouldn't be able to turn off quotas here. */ - ASSERT(error != ESRCH); - ASSERT(error != ENOENT); + ASSERT(error != -ESRCH); + ASSERT(error != -ENOENT); return error; } @@ -1226,7 +1138,7 @@ xfs_qm_dqusage_adjust( */ if (xfs_is_quota_inode(&mp->m_sb, ino)) { *res = BULKSTAT_RV_NOTHING; - return XFS_ERROR(EINVAL); + return -EINVAL; } /* @@ -1330,7 +1242,7 @@ out_unlock: * Walk thru all the filesystem inodes and construct a consistent view * of the disk quota world. If the quotacheck fails, disable quotas. */ -int +STATIC int xfs_qm_quotacheck( xfs_mount_t *mp) { @@ -1463,7 +1375,100 @@ xfs_qm_quotacheck( } } else xfs_notice(mp, "Quotacheck: Done."); - return (error); + return error; +} + +/* + * This is called from xfs_mountfs to start quotas and initialize all + * necessary data structures like quotainfo. This is also responsible for + * running a quotacheck as necessary. We are guaranteed that the superblock + * is consistently read in at this point. + * + * If we fail here, the mount will continue with quota turned off. We don't + * need to inidicate success or failure at all. + */ +void +xfs_qm_mount_quotas( + struct xfs_mount *mp) +{ + int error = 0; + uint sbf; + + /* + * If quotas on realtime volumes is not supported, we disable + * quotas immediately. + */ + if (mp->m_sb.sb_rextents) { + xfs_notice(mp, "Cannot turn on quotas for realtime filesystem"); + mp->m_qflags = 0; + goto write_changes; + } + + ASSERT(XFS_IS_QUOTA_RUNNING(mp)); + + /* + * Allocate the quotainfo structure inside the mount struct, and + * create quotainode(s), and change/rev superblock if necessary. + */ + error = xfs_qm_init_quotainfo(mp); + if (error) { + /* + * We must turn off quotas. + */ + ASSERT(mp->m_quotainfo == NULL); + mp->m_qflags = 0; + goto write_changes; + } + /* + * If any of the quotas are not consistent, do a quotacheck. + */ + if (XFS_QM_NEED_QUOTACHECK(mp)) { + error = xfs_qm_quotacheck(mp); + if (error) { + /* Quotacheck failed and disabled quotas. */ + return; + } + } + /* + * If one type of quotas is off, then it will lose its + * quotachecked status, since we won't be doing accounting for + * that type anymore. + */ + if (!XFS_IS_UQUOTA_ON(mp)) + mp->m_qflags &= ~XFS_UQUOTA_CHKD; + if (!XFS_IS_GQUOTA_ON(mp)) + mp->m_qflags &= ~XFS_GQUOTA_CHKD; + if (!XFS_IS_PQUOTA_ON(mp)) + mp->m_qflags &= ~XFS_PQUOTA_CHKD; + + write_changes: + /* + * We actually don't have to acquire the m_sb_lock at all. + * This can only be called from mount, and that's single threaded. XXX + */ + spin_lock(&mp->m_sb_lock); + sbf = mp->m_sb.sb_qflags; + mp->m_sb.sb_qflags = mp->m_qflags & XFS_MOUNT_QUOTA_ALL; + spin_unlock(&mp->m_sb_lock); + + if (sbf != (mp->m_qflags & XFS_MOUNT_QUOTA_ALL)) { + if (xfs_qm_write_sb_changes(mp, XFS_SB_QFLAGS)) { + /* + * We could only have been turning quotas off. + * We aren't in very good shape actually because + * the incore structures are convinced that quotas are + * off, but the on disk superblock doesn't know that ! + */ + ASSERT(!(XFS_IS_QUOTA_RUNNING(mp))); + xfs_alert(mp, "%s: Superblock update failed!", + __func__); + } + } + + if (error) { + xfs_warn(mp, "Failed to initialize disk quotas."); + return; + } } /* @@ -1493,7 +1498,7 @@ xfs_qm_init_quotainos( error = xfs_iget(mp, NULL, mp->m_sb.sb_uquotino, 0, 0, &uip); if (error) - return XFS_ERROR(error); + return error; } if (XFS_IS_GQUOTA_ON(mp) && mp->m_sb.sb_gquotino != NULLFSINO) { @@ -1563,7 +1568,7 @@ error_rele: IRELE(gip); if (pip) IRELE(pip); - return XFS_ERROR(error); + return error; } STATIC void @@ -1679,7 +1684,7 @@ xfs_qm_vop_dqalloc( XFS_QMOPT_DOWARN, &uq); if (error) { - ASSERT(error != ENOENT); + ASSERT(error != -ENOENT); return error; } /* @@ -1706,7 +1711,7 @@ xfs_qm_vop_dqalloc( XFS_QMOPT_DOWARN, &gq); if (error) { - ASSERT(error != ENOENT); + ASSERT(error != -ENOENT); goto error_rele; } xfs_dqunlock(gq); @@ -1726,7 +1731,7 @@ xfs_qm_vop_dqalloc( XFS_QMOPT_DOWARN, &pq); if (error) { - ASSERT(error != ENOENT); + ASSERT(error != -ENOENT); goto error_rele; } xfs_dqunlock(pq); @@ -1895,7 +1900,7 @@ xfs_qm_vop_chown_reserve( -((xfs_qcnt_t)delblks), 0, blkflags); } - return (0); + return 0; } int diff --git a/fs/xfs/xfs_qm.h b/fs/xfs/xfs_qm.h index 797fd4636273..3a07a937e232 100644 --- a/fs/xfs/xfs_qm.h +++ b/fs/xfs/xfs_qm.h @@ -157,7 +157,6 @@ struct xfs_dquot_acct { #define XFS_QM_RTBWARNLIMIT 5 extern void xfs_qm_destroy_quotainfo(struct xfs_mount *); -extern int xfs_qm_quotacheck(struct xfs_mount *); extern int xfs_qm_write_sb_changes(struct xfs_mount *, __int64_t); /* dquot stuff */ diff --git a/fs/xfs/xfs_qm_bhv.c b/fs/xfs/xfs_qm_bhv.c index e9be63abd8d2..2c61e61b0205 100644 --- a/fs/xfs/xfs_qm_bhv.c +++ b/fs/xfs/xfs_qm_bhv.c @@ -117,7 +117,7 @@ xfs_qm_newmount( (uquotaondisk ? " usrquota" : ""), (gquotaondisk ? " grpquota" : ""), (pquotaondisk ? " prjquota" : "")); - return XFS_ERROR(EPERM); + return -EPERM; } if (XFS_IS_QUOTA_ON(mp) || quotaondisk) { diff --git a/fs/xfs/xfs_qm_syscalls.c b/fs/xfs/xfs_qm_syscalls.c index bbc813caba4c..80f2d77d929a 100644 --- a/fs/xfs/xfs_qm_syscalls.c +++ b/fs/xfs/xfs_qm_syscalls.c @@ -64,10 +64,10 @@ xfs_qm_scall_quotaoff( /* * No file system can have quotas enabled on disk but not in core. * Note that quota utilities (like quotaoff) _expect_ - * errno == EEXIST here. + * errno == -EEXIST here. */ if ((mp->m_qflags & flags) == 0) - return XFS_ERROR(EEXIST); + return -EEXIST; error = 0; flags &= (XFS_ALL_QUOTA_ACCT | XFS_ALL_QUOTA_ENFD); @@ -94,7 +94,7 @@ xfs_qm_scall_quotaoff( /* XXX what to do if error ? Revert back to old vals incore ? */ error = xfs_qm_write_sb_changes(mp, XFS_SB_QFLAGS); - return (error); + return error; } dqtype = 0; @@ -198,7 +198,7 @@ xfs_qm_scall_quotaoff( if (mp->m_qflags == 0) { mutex_unlock(&q->qi_quotaofflock); xfs_qm_destroy_quotainfo(mp); - return (0); + return 0; } /* @@ -278,13 +278,13 @@ xfs_qm_scall_trunc_qfiles( xfs_mount_t *mp, uint flags) { - int error = EINVAL; + int error = -EINVAL; if (!xfs_sb_version_hasquota(&mp->m_sb) || flags == 0 || (flags & ~XFS_DQ_ALLTYPES)) { xfs_debug(mp, "%s: flags=%x m_qflags=%x", __func__, flags, mp->m_qflags); - return XFS_ERROR(EINVAL); + return -EINVAL; } if (flags & XFS_DQ_USER) { @@ -328,7 +328,7 @@ xfs_qm_scall_quotaon( if (flags == 0) { xfs_debug(mp, "%s: zero flags, m_qflags=%x", __func__, mp->m_qflags); - return XFS_ERROR(EINVAL); + return -EINVAL; } /* No fs can turn on quotas with a delayed effect */ @@ -351,13 +351,13 @@ xfs_qm_scall_quotaon( xfs_debug(mp, "%s: Can't enforce without acct, flags=%x sbflags=%x", __func__, flags, mp->m_sb.sb_qflags); - return XFS_ERROR(EINVAL); + return -EINVAL; } /* * If everything's up to-date incore, then don't waste time. */ if ((mp->m_qflags & flags) == flags) - return XFS_ERROR(EEXIST); + return -EEXIST; /* * Change sb_qflags on disk but not incore mp->qflags @@ -372,11 +372,11 @@ xfs_qm_scall_quotaon( * There's nothing to change if it's the same. */ if ((qf & flags) == flags && sbflags == 0) - return XFS_ERROR(EEXIST); + return -EEXIST; sbflags |= XFS_SB_QFLAGS; if ((error = xfs_qm_write_sb_changes(mp, sbflags))) - return (error); + return error; /* * If we aren't trying to switch on quota enforcement, we are done. */ @@ -387,10 +387,10 @@ xfs_qm_scall_quotaon( ((mp->m_sb.sb_qflags & XFS_GQUOTA_ACCT) != (mp->m_qflags & XFS_GQUOTA_ACCT)) || (flags & XFS_ALL_QUOTA_ENFD) == 0) - return (0); + return 0; if (! XFS_IS_QUOTA_RUNNING(mp)) - return XFS_ERROR(ESRCH); + return -ESRCH; /* * Switch on quota enforcement in core. @@ -399,7 +399,7 @@ xfs_qm_scall_quotaon( mp->m_qflags |= (flags & XFS_ALL_QUOTA_ENFD); mutex_unlock(&mp->m_quotainfo->qi_quotaofflock); - return (0); + return 0; } @@ -426,7 +426,7 @@ xfs_qm_scall_getqstat( if (!xfs_sb_version_hasquota(&mp->m_sb)) { out->qs_uquota.qfs_ino = NULLFSINO; out->qs_gquota.qfs_ino = NULLFSINO; - return (0); + return 0; } out->qs_flags = (__uint16_t) xfs_qm_export_flags(mp->m_qflags & @@ -514,7 +514,7 @@ xfs_qm_scall_getqstatv( out->qs_uquota.qfs_ino = NULLFSINO; out->qs_gquota.qfs_ino = NULLFSINO; out->qs_pquota.qfs_ino = NULLFSINO; - return (0); + return 0; } out->qs_flags = (__uint16_t) xfs_qm_export_flags(mp->m_qflags & @@ -595,7 +595,7 @@ xfs_qm_scall_setqlim( xfs_qcnt_t hard, soft; if (newlim->d_fieldmask & ~XFS_DQ_MASK) - return EINVAL; + return -EINVAL; if ((newlim->d_fieldmask & XFS_DQ_MASK) == 0) return 0; @@ -615,7 +615,7 @@ xfs_qm_scall_setqlim( */ error = xfs_qm_dqget(mp, NULL, id, type, XFS_QMOPT_DQALLOC, &dqp); if (error) { - ASSERT(error != ENOENT); + ASSERT(error != -ENOENT); goto out_unlock; } xfs_dqunlock(dqp); @@ -758,7 +758,7 @@ xfs_qm_log_quotaoff_end( error = xfs_trans_reserve(tp, &M_RES(mp)->tr_qm_equotaoff, 0, 0); if (error) { xfs_trans_cancel(tp, 0); - return (error); + return error; } qoffi = xfs_trans_get_qoff_item(tp, startqoff, @@ -772,7 +772,7 @@ xfs_qm_log_quotaoff_end( */ xfs_trans_set_sync(tp); error = xfs_trans_commit(tp, 0); - return (error); + return error; } @@ -822,7 +822,7 @@ error0: spin_unlock(&mp->m_sb_lock); } *qoffstartp = qoffi; - return (error); + return error; } @@ -850,7 +850,7 @@ xfs_qm_scall_getquota( * our utility programs are concerned. */ if (XFS_IS_DQUOT_UNINITIALIZED(dqp)) { - error = XFS_ERROR(ENOENT); + error = -ENOENT; goto out_put; } @@ -953,7 +953,7 @@ xfs_qm_export_flags( uflags |= FS_QUOTA_GDQ_ENFD; if (flags & XFS_PQUOTA_ENFD) uflags |= FS_QUOTA_PDQ_ENFD; - return (uflags); + return uflags; } diff --git a/fs/xfs/xfs_quotaops.c b/fs/xfs/xfs_quotaops.c index 2ad1b9822e92..b238027df987 100644 --- a/fs/xfs/xfs_quotaops.c +++ b/fs/xfs/xfs_quotaops.c @@ -51,7 +51,7 @@ xfs_fs_get_xstate( if (!XFS_IS_QUOTA_RUNNING(mp)) return -ENOSYS; - return -xfs_qm_scall_getqstat(mp, fqs); + return xfs_qm_scall_getqstat(mp, fqs); } STATIC int @@ -63,7 +63,7 @@ xfs_fs_get_xstatev( if (!XFS_IS_QUOTA_RUNNING(mp)) return -ENOSYS; - return -xfs_qm_scall_getqstatv(mp, fqs); + return xfs_qm_scall_getqstatv(mp, fqs); } STATIC int @@ -95,11 +95,11 @@ xfs_fs_set_xstate( switch (op) { case Q_XQUOTAON: - return -xfs_qm_scall_quotaon(mp, flags); + return xfs_qm_scall_quotaon(mp, flags); case Q_XQUOTAOFF: if (!XFS_IS_QUOTA_ON(mp)) return -EINVAL; - return -xfs_qm_scall_quotaoff(mp, flags); + return xfs_qm_scall_quotaoff(mp, flags); } return -EINVAL; @@ -112,7 +112,7 @@ xfs_fs_rm_xquota( { struct xfs_mount *mp = XFS_M(sb); unsigned int flags = 0; - + if (sb->s_flags & MS_RDONLY) return -EROFS; @@ -123,11 +123,11 @@ xfs_fs_rm_xquota( flags |= XFS_DQ_USER; if (uflags & FS_GROUP_QUOTA) flags |= XFS_DQ_GROUP; - if (uflags & FS_USER_QUOTA) + if (uflags & FS_PROJ_QUOTA) flags |= XFS_DQ_PROJ; - return -xfs_qm_scall_trunc_qfiles(mp, flags); -} + return xfs_qm_scall_trunc_qfiles(mp, flags); +} STATIC int xfs_fs_get_dqblk( @@ -142,7 +142,7 @@ xfs_fs_get_dqblk( if (!XFS_IS_QUOTA_ON(mp)) return -ESRCH; - return -xfs_qm_scall_getquota(mp, from_kqid(&init_user_ns, qid), + return xfs_qm_scall_getquota(mp, from_kqid(&init_user_ns, qid), xfs_quota_type(qid.type), fdq); } @@ -161,7 +161,7 @@ xfs_fs_set_dqblk( if (!XFS_IS_QUOTA_ON(mp)) return -ESRCH; - return -xfs_qm_scall_setqlim(mp, from_kqid(&init_user_ns, qid), + return xfs_qm_scall_setqlim(mp, from_kqid(&init_user_ns, qid), xfs_quota_type(qid.type), fdq); } diff --git a/fs/xfs/xfs_rtalloc.c b/fs/xfs/xfs_rtalloc.c index ec5ca65c6211..909e143b87ae 100644 --- a/fs/xfs/xfs_rtalloc.c +++ b/fs/xfs/xfs_rtalloc.c @@ -863,7 +863,7 @@ xfs_growfs_rt_alloc( XFS_BMAPI_METADATA, &firstblock, resblks, &map, &nmap, &flist); if (!error && nmap < 1) - error = XFS_ERROR(ENOSPC); + error = -ENOSPC; if (error) goto error_cancel; /* @@ -903,7 +903,7 @@ xfs_growfs_rt_alloc( bp = xfs_trans_get_buf(tp, mp->m_ddev_targp, d, mp->m_bsize, 0); if (bp == NULL) { - error = XFS_ERROR(EIO); + error = -EIO; error_cancel: xfs_trans_cancel(tp, cancelflags); goto error; @@ -944,9 +944,9 @@ xfs_growfs_rt( xfs_buf_t *bp; /* temporary buffer */ int error; /* error return value */ xfs_mount_t *nmp; /* new (fake) mount structure */ - xfs_drfsbno_t nrblocks; /* new number of realtime blocks */ + xfs_rfsblock_t nrblocks; /* new number of realtime blocks */ xfs_extlen_t nrbmblocks; /* new number of rt bitmap blocks */ - xfs_drtbno_t nrextents; /* new number of realtime extents */ + xfs_rtblock_t nrextents; /* new number of realtime extents */ uint8_t nrextslog; /* new log2 of sb_rextents */ xfs_extlen_t nrsumblocks; /* new number of summary blocks */ uint nrsumlevels; /* new rt summary levels */ @@ -962,11 +962,11 @@ xfs_growfs_rt( * Initial error checking. */ if (!capable(CAP_SYS_ADMIN)) - return XFS_ERROR(EPERM); + return -EPERM; if (mp->m_rtdev_targp == NULL || mp->m_rbmip == NULL || (nrblocks = in->newblocks) <= sbp->sb_rblocks || (sbp->sb_rblocks && (in->extsize != sbp->sb_rextsize))) - return XFS_ERROR(EINVAL); + return -EINVAL; if ((error = xfs_sb_validate_fsb_count(sbp, nrblocks))) return error; /* @@ -976,7 +976,7 @@ xfs_growfs_rt( XFS_FSB_TO_BB(mp, nrblocks - 1), XFS_FSB_TO_BB(mp, 1), 0, NULL); if (!bp) - return EIO; + return -EIO; if (bp->b_error) { error = bp->b_error; xfs_buf_relse(bp); @@ -1001,7 +1001,7 @@ xfs_growfs_rt( * since we'll log basically the whole summary file at once. */ if (nrsumblocks > (mp->m_sb.sb_logblocks >> 1)) - return XFS_ERROR(EINVAL); + return -EINVAL; /* * Get the old block counts for bitmap and summary inodes. * These can't change since other growfs callers are locked out. @@ -1208,7 +1208,7 @@ xfs_rtallocate_extent( len, &sumbp, &sb, prod, &r); break; default: - error = EIO; + error = -EIO; ASSERT(0); } if (error) @@ -1247,7 +1247,7 @@ xfs_rtmount_init( if (mp->m_rtdev_targp == NULL) { xfs_warn(mp, "Filesystem has a realtime volume, use rtdev=device option"); - return XFS_ERROR(ENODEV); + return -ENODEV; } mp->m_rsumlevels = sbp->sb_rextslog + 1; mp->m_rsumsize = @@ -1263,7 +1263,7 @@ xfs_rtmount_init( xfs_warn(mp, "realtime mount -- %llu != %llu", (unsigned long long) XFS_BB_TO_FSB(mp, d), (unsigned long long) mp->m_sb.sb_rblocks); - return XFS_ERROR(EFBIG); + return -EFBIG; } bp = xfs_buf_read_uncached(mp->m_rtdev_targp, d - XFS_FSB_TO_BB(mp, 1), @@ -1272,7 +1272,7 @@ xfs_rtmount_init( xfs_warn(mp, "realtime device size check failed"); if (bp) xfs_buf_relse(bp); - return EIO; + return -EIO; } xfs_buf_relse(bp); return 0; diff --git a/fs/xfs/xfs_rtalloc.h b/fs/xfs/xfs_rtalloc.h index 752b63d10300..c642795324af 100644 --- a/fs/xfs/xfs_rtalloc.h +++ b/fs/xfs/xfs_rtalloc.h @@ -132,7 +132,7 @@ xfs_rtmount_init( return 0; xfs_warn(mp, "Not built with CONFIG_XFS_RT"); - return ENOSYS; + return -ENOSYS; } # define xfs_rtmount_inodes(m) (((mp)->m_sb.sb_rblocks == 0)? 0 : (ENOSYS)) # define xfs_rtunmount_inodes(m) diff --git a/fs/xfs/xfs_super.c b/fs/xfs/xfs_super.c index 8f0333b3f7a0..b194652033cd 100644 --- a/fs/xfs/xfs_super.c +++ b/fs/xfs/xfs_super.c @@ -61,6 +61,7 @@ static const struct super_operations xfs_super_operations; static kmem_zone_t *xfs_ioend_zone; mempool_t *xfs_ioend_pool; +struct kset *xfs_kset; #define MNTOPT_LOGBUFS "logbufs" /* number of XFS log buffers */ #define MNTOPT_LOGBSIZE "logbsize" /* size of XFS log buffers */ @@ -185,7 +186,7 @@ xfs_parseargs( */ mp->m_fsname = kstrndup(sb->s_id, MAXNAMELEN, GFP_KERNEL); if (!mp->m_fsname) - return ENOMEM; + return -ENOMEM; mp->m_fsname_len = strlen(mp->m_fsname) + 1; /* @@ -204,9 +205,6 @@ xfs_parseargs( */ mp->m_flags |= XFS_MOUNT_BARRIER; mp->m_flags |= XFS_MOUNT_COMPAT_IOSIZE; -#if !XFS_BIG_INUMS - mp->m_flags |= XFS_MOUNT_SMALL_INUMS; -#endif /* * These can be overridden by the mount option parsing. @@ -227,57 +225,57 @@ xfs_parseargs( if (!value || !*value) { xfs_warn(mp, "%s option requires an argument", this_char); - return EINVAL; + return -EINVAL; } if (kstrtoint(value, 10, &mp->m_logbufs)) - return EINVAL; + return -EINVAL; } else if (!strcmp(this_char, MNTOPT_LOGBSIZE)) { if (!value || !*value) { xfs_warn(mp, "%s option requires an argument", this_char); - return EINVAL; + return -EINVAL; } if (suffix_kstrtoint(value, 10, &mp->m_logbsize)) - return EINVAL; + return -EINVAL; } else if (!strcmp(this_char, MNTOPT_LOGDEV)) { if (!value || !*value) { xfs_warn(mp, "%s option requires an argument", this_char); - return EINVAL; + return -EINVAL; } mp->m_logname = kstrndup(value, MAXNAMELEN, GFP_KERNEL); if (!mp->m_logname) - return ENOMEM; + return -ENOMEM; } else if (!strcmp(this_char, MNTOPT_MTPT)) { xfs_warn(mp, "%s option not allowed on this system", this_char); - return EINVAL; + return -EINVAL; } else if (!strcmp(this_char, MNTOPT_RTDEV)) { if (!value || !*value) { xfs_warn(mp, "%s option requires an argument", this_char); - return EINVAL; + return -EINVAL; } mp->m_rtname = kstrndup(value, MAXNAMELEN, GFP_KERNEL); if (!mp->m_rtname) - return ENOMEM; + return -ENOMEM; } else if (!strcmp(this_char, MNTOPT_BIOSIZE)) { if (!value || !*value) { xfs_warn(mp, "%s option requires an argument", this_char); - return EINVAL; + return -EINVAL; } if (kstrtoint(value, 10, &iosize)) - return EINVAL; + return -EINVAL; iosizelog = ffs(iosize) - 1; } else if (!strcmp(this_char, MNTOPT_ALLOCSIZE)) { if (!value || !*value) { xfs_warn(mp, "%s option requires an argument", this_char); - return EINVAL; + return -EINVAL; } if (suffix_kstrtoint(value, 10, &iosize)) - return EINVAL; + return -EINVAL; iosizelog = ffs(iosize) - 1; } else if (!strcmp(this_char, MNTOPT_GRPID) || !strcmp(this_char, MNTOPT_BSDGROUPS)) { @@ -297,27 +295,22 @@ xfs_parseargs( if (!value || !*value) { xfs_warn(mp, "%s option requires an argument", this_char); - return EINVAL; + return -EINVAL; } if (kstrtoint(value, 10, &dsunit)) - return EINVAL; + return -EINVAL; } else if (!strcmp(this_char, MNTOPT_SWIDTH)) { if (!value || !*value) { xfs_warn(mp, "%s option requires an argument", this_char); - return EINVAL; + return -EINVAL; } if (kstrtoint(value, 10, &dswidth)) - return EINVAL; + return -EINVAL; } else if (!strcmp(this_char, MNTOPT_32BITINODE)) { mp->m_flags |= XFS_MOUNT_SMALL_INUMS; } else if (!strcmp(this_char, MNTOPT_64BITINODE)) { mp->m_flags &= ~XFS_MOUNT_SMALL_INUMS; -#if !XFS_BIG_INUMS - xfs_warn(mp, "%s option not allowed on this system", - this_char); - return EINVAL; -#endif } else if (!strcmp(this_char, MNTOPT_NOUUID)) { mp->m_flags |= XFS_MOUNT_NOUUID; } else if (!strcmp(this_char, MNTOPT_BARRIER)) { @@ -390,7 +383,7 @@ xfs_parseargs( "irixsgid is now a sysctl(2) variable, option is deprecated."); } else { xfs_warn(mp, "unknown mount option [%s].", this_char); - return EINVAL; + return -EINVAL; } } @@ -400,32 +393,32 @@ xfs_parseargs( if ((mp->m_flags & XFS_MOUNT_NORECOVERY) && !(mp->m_flags & XFS_MOUNT_RDONLY)) { xfs_warn(mp, "no-recovery mounts must be read-only."); - return EINVAL; + return -EINVAL; } if ((mp->m_flags & XFS_MOUNT_NOALIGN) && (dsunit || dswidth)) { xfs_warn(mp, "sunit and swidth options incompatible with the noalign option"); - return EINVAL; + return -EINVAL; } #ifndef CONFIG_XFS_QUOTA if (XFS_IS_QUOTA_RUNNING(mp)) { xfs_warn(mp, "quota support not available in this kernel."); - return EINVAL; + return -EINVAL; } #endif if ((dsunit && !dswidth) || (!dsunit && dswidth)) { xfs_warn(mp, "sunit and swidth must be specified together"); - return EINVAL; + return -EINVAL; } if (dsunit && (dswidth % dsunit != 0)) { xfs_warn(mp, "stripe width (%d) must be a multiple of the stripe unit (%d)", dswidth, dsunit); - return EINVAL; + return -EINVAL; } done: @@ -446,7 +439,7 @@ done: mp->m_logbufs > XLOG_MAX_ICLOGS)) { xfs_warn(mp, "invalid logbufs value: %d [not %d-%d]", mp->m_logbufs, XLOG_MIN_ICLOGS, XLOG_MAX_ICLOGS); - return XFS_ERROR(EINVAL); + return -EINVAL; } if (mp->m_logbsize != -1 && mp->m_logbsize != 0 && @@ -456,7 +449,7 @@ done: xfs_warn(mp, "invalid logbufsize: %d [not 16k,32k,64k,128k or 256k]", mp->m_logbsize); - return XFS_ERROR(EINVAL); + return -EINVAL; } if (iosizelog) { @@ -465,7 +458,7 @@ done: xfs_warn(mp, "invalid log iosize: %d [not %d-%d]", iosizelog, XFS_MIN_IO_LOG, XFS_MAX_IO_LOG); - return XFS_ERROR(EINVAL); + return -EINVAL; } mp->m_flags |= XFS_MOUNT_DFLT_IOSIZE; @@ -597,15 +590,20 @@ xfs_max_file_offset( return (((__uint64_t)pagefactor) << bitshift) - 1; } +/* + * xfs_set_inode32() and xfs_set_inode64() are passed an agcount + * because in the growfs case, mp->m_sb.sb_agcount is not updated + * yet to the potentially higher ag count. + */ xfs_agnumber_t -xfs_set_inode32(struct xfs_mount *mp) +xfs_set_inode32(struct xfs_mount *mp, xfs_agnumber_t agcount) { xfs_agnumber_t index = 0; xfs_agnumber_t maxagi = 0; xfs_sb_t *sbp = &mp->m_sb; xfs_agnumber_t max_metadata; - xfs_agino_t agino = XFS_OFFBNO_TO_AGINO(mp, sbp->sb_agblocks -1, 0); - xfs_ino_t ino = XFS_AGINO_TO_INO(mp, sbp->sb_agcount -1, agino); + xfs_agino_t agino; + xfs_ino_t ino; xfs_perag_t *pag; /* Calculate how much should be reserved for inodes to meet @@ -620,10 +618,12 @@ xfs_set_inode32(struct xfs_mount *mp) do_div(icount, sbp->sb_agblocks); max_metadata = icount; } else { - max_metadata = sbp->sb_agcount; + max_metadata = agcount; } - for (index = 0; index < sbp->sb_agcount; index++) { + agino = XFS_OFFBNO_TO_AGINO(mp, sbp->sb_agblocks - 1, 0); + + for (index = 0; index < agcount; index++) { ino = XFS_AGINO_TO_INO(mp, index, agino); if (ino > XFS_MAXINUMBER_32) { @@ -648,11 +648,11 @@ xfs_set_inode32(struct xfs_mount *mp) } xfs_agnumber_t -xfs_set_inode64(struct xfs_mount *mp) +xfs_set_inode64(struct xfs_mount *mp, xfs_agnumber_t agcount) { xfs_agnumber_t index = 0; - for (index = 0; index < mp->m_sb.sb_agcount; index++) { + for (index = 0; index < agcount; index++) { struct xfs_perag *pag; pag = xfs_perag_get(mp, index); @@ -686,7 +686,7 @@ xfs_blkdev_get( xfs_warn(mp, "Invalid device [%s], error=%d\n", name, error); } - return -error; + return error; } STATIC void @@ -756,7 +756,7 @@ xfs_open_devices( if (rtdev == ddev || rtdev == logdev) { xfs_warn(mp, "Cannot mount filesystem with identical rtdev and ddev/logdev."); - error = EINVAL; + error = -EINVAL; goto out_close_rtdev; } } @@ -764,7 +764,7 @@ xfs_open_devices( /* * Setup xfs_mount buffer target pointers */ - error = ENOMEM; + error = -ENOMEM; mp->m_ddev_targp = xfs_alloc_buftarg(mp, ddev); if (!mp->m_ddev_targp) goto out_close_rtdev; @@ -1188,6 +1188,7 @@ xfs_fs_remount( char *options) { struct xfs_mount *mp = XFS_M(sb); + xfs_sb_t *sbp = &mp->m_sb; substring_t args[MAX_OPT_ARGS]; char *p; int error; @@ -1208,10 +1209,10 @@ xfs_fs_remount( mp->m_flags &= ~XFS_MOUNT_BARRIER; break; case Opt_inode64: - mp->m_maxagi = xfs_set_inode64(mp); + mp->m_maxagi = xfs_set_inode64(mp, sbp->sb_agcount); break; case Opt_inode32: - mp->m_maxagi = xfs_set_inode32(mp); + mp->m_maxagi = xfs_set_inode32(mp, sbp->sb_agcount); break; default: /* @@ -1295,7 +1296,7 @@ xfs_fs_freeze( xfs_save_resvblks(mp); xfs_quiesce_attr(mp); - return -xfs_fs_log_dummy(mp); + return xfs_fs_log_dummy(mp); } STATIC int @@ -1314,7 +1315,7 @@ xfs_fs_show_options( struct seq_file *m, struct dentry *root) { - return -xfs_showargs(XFS_M(root->d_sb), m); + return xfs_showargs(XFS_M(root->d_sb), m); } /* @@ -1336,14 +1337,14 @@ xfs_finish_flags( mp->m_logbsize < mp->m_sb.sb_logsunit) { xfs_warn(mp, "logbuf size must be greater than or equal to log stripe size"); - return XFS_ERROR(EINVAL); + return -EINVAL; } } else { /* Fail a mount if the logbuf is larger than 32K */ if (mp->m_logbsize > XLOG_BIG_RECORD_BSIZE) { xfs_warn(mp, "logbuf size for version 1 logs must be 16K or 32K"); - return XFS_ERROR(EINVAL); + return -EINVAL; } } @@ -1355,7 +1356,7 @@ xfs_finish_flags( xfs_warn(mp, "Cannot mount a V5 filesystem as %s. %s is always enabled for V5 filesystems.", MNTOPT_NOATTR2, MNTOPT_ATTR2); - return XFS_ERROR(EINVAL); + return -EINVAL; } /* @@ -1372,7 +1373,7 @@ xfs_finish_flags( if ((mp->m_sb.sb_flags & XFS_SBF_READONLY) && !ronly) { xfs_warn(mp, "cannot mount a read-only filesystem as read-write"); - return XFS_ERROR(EROFS); + return -EROFS; } if ((mp->m_qflags & (XFS_GQUOTA_ACCT | XFS_GQUOTA_ACTIVE)) && @@ -1380,7 +1381,7 @@ xfs_finish_flags( !xfs_sb_version_has_pquotino(&mp->m_sb)) { xfs_warn(mp, "Super block does not support project and group quota together"); - return XFS_ERROR(EINVAL); + return -EINVAL; } return 0; @@ -1394,7 +1395,7 @@ xfs_fs_fill_super( { struct inode *root; struct xfs_mount *mp = NULL; - int flags = 0, error = ENOMEM; + int flags = 0, error = -ENOMEM; mp = kzalloc(sizeof(struct xfs_mount), GFP_KERNEL); if (!mp) @@ -1428,11 +1429,11 @@ xfs_fs_fill_super( if (error) goto out_free_fsname; - error = -xfs_init_mount_workqueues(mp); + error = xfs_init_mount_workqueues(mp); if (error) goto out_close_devices; - error = -xfs_icsb_init_counters(mp); + error = xfs_icsb_init_counters(mp); if (error) goto out_destroy_workqueues; @@ -1474,12 +1475,12 @@ xfs_fs_fill_super( root = igrab(VFS_I(mp->m_rootip)); if (!root) { - error = ENOENT; + error = -ENOENT; goto out_unmount; } sb->s_root = d_make_root(root); if (!sb->s_root) { - error = ENOMEM; + error = -ENOMEM; goto out_unmount; } @@ -1499,7 +1500,7 @@ out_destroy_workqueues: xfs_free_fsname(mp); kfree(mp); out: - return -error; + return error; out_unmount: xfs_filestream_unmount(mp); @@ -1761,9 +1762,15 @@ init_xfs_fs(void) if (error) goto out_cleanup_procfs; + xfs_kset = kset_create_and_add("xfs", NULL, fs_kobj); + if (!xfs_kset) { + error = -ENOMEM; + goto out_sysctl_unregister;; + } + error = xfs_qm_init(); if (error) - goto out_sysctl_unregister; + goto out_kset_unregister; error = register_filesystem(&xfs_fs_type); if (error) @@ -1772,6 +1779,8 @@ init_xfs_fs(void) out_qm_exit: xfs_qm_exit(); + out_kset_unregister: + kset_unregister(xfs_kset); out_sysctl_unregister: xfs_sysctl_unregister(); out_cleanup_procfs: @@ -1793,6 +1802,7 @@ exit_xfs_fs(void) { xfs_qm_exit(); unregister_filesystem(&xfs_fs_type); + kset_unregister(xfs_kset); xfs_sysctl_unregister(); xfs_cleanup_procfs(); xfs_buf_terminate(); diff --git a/fs/xfs/xfs_super.h b/fs/xfs/xfs_super.h index bbe3d15a7904..2b830c2f322e 100644 --- a/fs/xfs/xfs_super.h +++ b/fs/xfs/xfs_super.h @@ -44,16 +44,6 @@ extern void xfs_qm_exit(void); # define XFS_REALTIME_STRING #endif -#if XFS_BIG_BLKNOS -# if XFS_BIG_INUMS -# define XFS_BIGFS_STRING "large block/inode numbers, " -# else -# define XFS_BIGFS_STRING "large block numbers, " -# endif -#else -# define XFS_BIGFS_STRING -#endif - #ifdef DEBUG # define XFS_DBG_STRING "debug" #else @@ -64,7 +54,6 @@ extern void xfs_qm_exit(void); #define XFS_BUILD_OPTIONS XFS_ACL_STRING \ XFS_SECURITY_STRING \ XFS_REALTIME_STRING \ - XFS_BIGFS_STRING \ XFS_DBG_STRING /* DBG must be last */ struct xfs_inode; @@ -76,8 +65,8 @@ extern __uint64_t xfs_max_file_offset(unsigned int); extern void xfs_flush_inodes(struct xfs_mount *mp); extern void xfs_blkdev_issue_flush(struct xfs_buftarg *); -extern xfs_agnumber_t xfs_set_inode32(struct xfs_mount *); -extern xfs_agnumber_t xfs_set_inode64(struct xfs_mount *); +extern xfs_agnumber_t xfs_set_inode32(struct xfs_mount *, xfs_agnumber_t agcount); +extern xfs_agnumber_t xfs_set_inode64(struct xfs_mount *, xfs_agnumber_t agcount); extern const struct export_operations xfs_export_operations; extern const struct xattr_handler *xfs_xattr_handlers[]; diff --git a/fs/xfs/xfs_symlink.c b/fs/xfs/xfs_symlink.c index d69363c833e1..6a944a2cd36f 100644 --- a/fs/xfs/xfs_symlink.c +++ b/fs/xfs/xfs_symlink.c @@ -76,15 +76,15 @@ xfs_readlink_bmap( bp = xfs_buf_read(mp->m_ddev_targp, d, BTOBB(byte_cnt), 0, &xfs_symlink_buf_ops); if (!bp) - return XFS_ERROR(ENOMEM); + return -ENOMEM; error = bp->b_error; if (error) { xfs_buf_ioerror_alert(bp, __func__); xfs_buf_relse(bp); /* bad CRC means corrupted metadata */ - if (error == EFSBADCRC) - error = EFSCORRUPTED; + if (error == -EFSBADCRC) + error = -EFSCORRUPTED; goto out; } byte_cnt = XFS_SYMLINK_BUF_SPACE(mp, byte_cnt); @@ -95,7 +95,7 @@ xfs_readlink_bmap( if (xfs_sb_version_hascrc(&mp->m_sb)) { if (!xfs_symlink_hdr_ok(ip->i_ino, offset, byte_cnt, bp)) { - error = EFSCORRUPTED; + error = -EFSCORRUPTED; xfs_alert(mp, "symlink header does not match required off/len/owner (0x%x/Ox%x,0x%llx)", offset, byte_cnt, ip->i_ino); @@ -135,7 +135,7 @@ xfs_readlink( trace_xfs_readlink(ip); if (XFS_FORCED_SHUTDOWN(mp)) - return XFS_ERROR(EIO); + return -EIO; xfs_ilock(ip, XFS_ILOCK_SHARED); @@ -148,7 +148,7 @@ xfs_readlink( __func__, (unsigned long long) ip->i_ino, (long long) pathlen); ASSERT(0); - error = XFS_ERROR(EFSCORRUPTED); + error = -EFSCORRUPTED; goto out; } @@ -203,14 +203,14 @@ xfs_symlink( trace_xfs_symlink(dp, link_name); if (XFS_FORCED_SHUTDOWN(mp)) - return XFS_ERROR(EIO); + return -EIO; /* * Check component lengths of the target path name. */ pathlen = strlen(target_path); if (pathlen >= MAXPATHLEN) /* total string too long */ - return XFS_ERROR(ENAMETOOLONG); + return -ENAMETOOLONG; udqp = gdqp = NULL; prid = xfs_get_initial_prid(dp); @@ -238,7 +238,7 @@ xfs_symlink( fs_blocks = xfs_symlink_blocks(mp, pathlen); resblks = XFS_SYMLINK_SPACE_RES(mp, link_name->len, fs_blocks); error = xfs_trans_reserve(tp, &M_RES(mp)->tr_symlink, resblks, 0); - if (error == ENOSPC && fs_blocks == 0) { + if (error == -ENOSPC && fs_blocks == 0) { resblks = 0; error = xfs_trans_reserve(tp, &M_RES(mp)->tr_symlink, 0, 0); } @@ -254,7 +254,7 @@ xfs_symlink( * Check whether the directory allows new symlinks or not. */ if (dp->i_d.di_flags & XFS_DIFLAG_NOSYMLINKS) { - error = XFS_ERROR(EPERM); + error = -EPERM; goto error_return; } @@ -284,7 +284,7 @@ xfs_symlink( error = xfs_dir_ialloc(&tp, dp, S_IFLNK | (mode & ~S_IFMT), 1, 0, prid, resblks > 0, &ip, NULL); if (error) { - if (error == ENOSPC) + if (error == -ENOSPC) goto error_return; goto error1; } @@ -348,7 +348,7 @@ xfs_symlink( bp = xfs_trans_get_buf(tp, mp->m_ddev_targp, d, BTOBB(byte_cnt), 0); if (!bp) { - error = ENOMEM; + error = -ENOMEM; goto error2; } bp->b_ops = &xfs_symlink_buf_ops; @@ -489,7 +489,7 @@ xfs_inactive_symlink_rmt( XFS_FSB_TO_DADDR(mp, mval[i].br_startblock), XFS_FSB_TO_BB(mp, mval[i].br_blockcount), 0); if (!bp) { - error = ENOMEM; + error = -ENOMEM; goto error_bmap_cancel; } xfs_trans_binval(tp, bp); @@ -562,7 +562,7 @@ xfs_inactive_symlink( trace_xfs_inactive_symlink(ip); if (XFS_FORCED_SHUTDOWN(mp)) - return XFS_ERROR(EIO); + return -EIO; xfs_ilock(ip, XFS_ILOCK_EXCL); @@ -580,7 +580,7 @@ xfs_inactive_symlink( __func__, (unsigned long long)ip->i_ino, pathlen); xfs_iunlock(ip, XFS_ILOCK_EXCL); ASSERT(0); - return XFS_ERROR(EFSCORRUPTED); + return -EFSCORRUPTED; } if (ip->i_df.if_flags & XFS_IFINLINE) { diff --git a/fs/xfs/xfs_sysfs.c b/fs/xfs/xfs_sysfs.c new file mode 100644 index 000000000000..9835139ce1ec --- /dev/null +++ b/fs/xfs/xfs_sysfs.c @@ -0,0 +1,165 @@ +/* + * Copyright (c) 2014 Red Hat, Inc. + * All Rights Reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it would be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include "xfs.h" +#include "xfs_sysfs.h" +#include "xfs_log_format.h" +#include "xfs_log.h" +#include "xfs_log_priv.h" + +struct xfs_sysfs_attr { + struct attribute attr; + ssize_t (*show)(char *buf, void *data); + ssize_t (*store)(const char *buf, size_t count, void *data); +}; + +static inline struct xfs_sysfs_attr * +to_attr(struct attribute *attr) +{ + return container_of(attr, struct xfs_sysfs_attr, attr); +} + +#define XFS_SYSFS_ATTR_RW(name) \ + static struct xfs_sysfs_attr xfs_sysfs_attr_##name = __ATTR_RW(name) +#define XFS_SYSFS_ATTR_RO(name) \ + static struct xfs_sysfs_attr xfs_sysfs_attr_##name = __ATTR_RO(name) + +#define ATTR_LIST(name) &xfs_sysfs_attr_##name.attr + +/* + * xfs_mount kobject. This currently has no attributes and thus no need for show + * and store helpers. The mp kobject serves as the per-mount parent object that + * is identified by the fsname under sysfs. + */ + +struct kobj_type xfs_mp_ktype = { + .release = xfs_sysfs_release, +}; + +/* xlog */ + +STATIC ssize_t +log_head_lsn_show( + char *buf, + void *data) +{ + struct xlog *log = data; + int cycle; + int block; + + spin_lock(&log->l_icloglock); + cycle = log->l_curr_cycle; + block = log->l_curr_block; + spin_unlock(&log->l_icloglock); + + return snprintf(buf, PAGE_SIZE, "%d:%d\n", cycle, block); +} +XFS_SYSFS_ATTR_RO(log_head_lsn); + +STATIC ssize_t +log_tail_lsn_show( + char *buf, + void *data) +{ + struct xlog *log = data; + int cycle; + int block; + + xlog_crack_atomic_lsn(&log->l_tail_lsn, &cycle, &block); + return snprintf(buf, PAGE_SIZE, "%d:%d\n", cycle, block); +} +XFS_SYSFS_ATTR_RO(log_tail_lsn); + +STATIC ssize_t +reserve_grant_head_show( + char *buf, + void *data) +{ + struct xlog *log = data; + int cycle; + int bytes; + + xlog_crack_grant_head(&log->l_reserve_head.grant, &cycle, &bytes); + return snprintf(buf, PAGE_SIZE, "%d:%d\n", cycle, bytes); +} +XFS_SYSFS_ATTR_RO(reserve_grant_head); + +STATIC ssize_t +write_grant_head_show( + char *buf, + void *data) +{ + struct xlog *log = data; + int cycle; + int bytes; + + xlog_crack_grant_head(&log->l_write_head.grant, &cycle, &bytes); + return snprintf(buf, PAGE_SIZE, "%d:%d\n", cycle, bytes); +} +XFS_SYSFS_ATTR_RO(write_grant_head); + +static struct attribute *xfs_log_attrs[] = { + ATTR_LIST(log_head_lsn), + ATTR_LIST(log_tail_lsn), + ATTR_LIST(reserve_grant_head), + ATTR_LIST(write_grant_head), + NULL, +}; + +static inline struct xlog * +to_xlog(struct kobject *kobject) +{ + struct xfs_kobj *kobj = to_kobj(kobject); + return container_of(kobj, struct xlog, l_kobj); +} + +STATIC ssize_t +xfs_log_show( + struct kobject *kobject, + struct attribute *attr, + char *buf) +{ + struct xlog *log = to_xlog(kobject); + struct xfs_sysfs_attr *xfs_attr = to_attr(attr); + + return xfs_attr->show ? xfs_attr->show(buf, log) : 0; +} + +STATIC ssize_t +xfs_log_store( + struct kobject *kobject, + struct attribute *attr, + const char *buf, + size_t count) +{ + struct xlog *log = to_xlog(kobject); + struct xfs_sysfs_attr *xfs_attr = to_attr(attr); + + return xfs_attr->store ? xfs_attr->store(buf, count, log) : 0; +} + +static struct sysfs_ops xfs_log_ops = { + .show = xfs_log_show, + .store = xfs_log_store, +}; + +struct kobj_type xfs_log_ktype = { + .release = xfs_sysfs_release, + .sysfs_ops = &xfs_log_ops, + .default_attrs = xfs_log_attrs, +}; diff --git a/fs/xfs/xfs_sysfs.h b/fs/xfs/xfs_sysfs.h new file mode 100644 index 000000000000..54a2091183c0 --- /dev/null +++ b/fs/xfs/xfs_sysfs.h @@ -0,0 +1,59 @@ +/* + * Copyright (c) 2014 Red Hat, Inc. + * All Rights Reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it would be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#ifndef __XFS_SYSFS_H__ +#define __XFS_SYSFS_H__ + +extern struct kobj_type xfs_mp_ktype; /* xfs_mount */ +extern struct kobj_type xfs_log_ktype; /* xlog */ + +static inline struct xfs_kobj * +to_kobj(struct kobject *kobject) +{ + return container_of(kobject, struct xfs_kobj, kobject); +} + +static inline void +xfs_sysfs_release(struct kobject *kobject) +{ + struct xfs_kobj *kobj = to_kobj(kobject); + complete(&kobj->complete); +} + +static inline int +xfs_sysfs_init( + struct xfs_kobj *kobj, + struct kobj_type *ktype, + struct xfs_kobj *parent_kobj, + const char *name) +{ + init_completion(&kobj->complete); + return kobject_init_and_add(&kobj->kobject, ktype, + &parent_kobj->kobject, "%s", name); +} + +static inline void +xfs_sysfs_del( + struct xfs_kobj *kobj) +{ + kobject_del(&kobj->kobject); + kobject_put(&kobj->kobject); + wait_for_completion(&kobj->complete); +} + +#endif /* __XFS_SYSFS_H__ */ diff --git a/fs/xfs/xfs_trans.c b/fs/xfs/xfs_trans.c index d03932564ccb..30e8e3410955 100644 --- a/fs/xfs/xfs_trans.c +++ b/fs/xfs/xfs_trans.c @@ -190,7 +190,7 @@ xfs_trans_reserve( -((int64_t)blocks), rsvd); if (error != 0) { current_restore_flags_nested(&tp->t_pflags, PF_FSTRANS); - return (XFS_ERROR(ENOSPC)); + return -ENOSPC; } tp->t_blk_res += blocks; } @@ -241,7 +241,7 @@ xfs_trans_reserve( error = xfs_mod_incore_sb(tp->t_mountp, XFS_SBS_FREXTENTS, -((int64_t)rtextents), rsvd); if (error) { - error = XFS_ERROR(ENOSPC); + error = -ENOSPC; goto undo_log; } tp->t_rtx_res += rtextents; @@ -874,7 +874,7 @@ xfs_trans_commit( goto out_unreserve; if (XFS_FORCED_SHUTDOWN(mp)) { - error = XFS_ERROR(EIO); + error = -EIO; goto out_unreserve; } @@ -917,7 +917,7 @@ out_unreserve: if (tp->t_ticket) { commit_lsn = xfs_log_done(mp, tp->t_ticket, NULL, log_flags); if (commit_lsn == -1 && !error) - error = XFS_ERROR(EIO); + error = -EIO; } current_restore_flags_nested(&tp->t_pflags, PF_FSTRANS); xfs_trans_free_items(tp, NULLCOMMITLSN, error ? XFS_TRANS_ABORT : 0); @@ -1024,7 +1024,7 @@ xfs_trans_roll( */ error = xfs_trans_commit(trans, 0); if (error) - return (error); + return error; trans = *tpp; diff --git a/fs/xfs/xfs_trans_ail.c b/fs/xfs/xfs_trans_ail.c index cb0f3a84cc68..859482f53b5a 100644 --- a/fs/xfs/xfs_trans_ail.c +++ b/fs/xfs/xfs_trans_ail.c @@ -762,7 +762,7 @@ xfs_trans_ail_init( ailp = kmem_zalloc(sizeof(struct xfs_ail), KM_MAYFAIL); if (!ailp) - return ENOMEM; + return -ENOMEM; ailp->xa_mount = mp; INIT_LIST_HEAD(&ailp->xa_ail); @@ -781,7 +781,7 @@ xfs_trans_ail_init( out_free_ailp: kmem_free(ailp); - return ENOMEM; + return -ENOMEM; } void diff --git a/fs/xfs/xfs_trans_buf.c b/fs/xfs/xfs_trans_buf.c index b8eef0549f3f..96c898e7ac9a 100644 --- a/fs/xfs/xfs_trans_buf.c +++ b/fs/xfs/xfs_trans_buf.c @@ -166,7 +166,7 @@ xfs_trans_get_buf_map( ASSERT(atomic_read(&bip->bli_refcount) > 0); bip->bli_recur++; trace_xfs_trans_get_buf_recur(bip); - return (bp); + return bp; } bp = xfs_buf_get_map(target, map, nmaps, flags); @@ -178,7 +178,7 @@ xfs_trans_get_buf_map( _xfs_trans_bjoin(tp, bp, 1); trace_xfs_trans_get_buf(bp->b_fspriv); - return (bp); + return bp; } /* @@ -201,9 +201,8 @@ xfs_trans_getsb(xfs_trans_t *tp, * Default to just trying to lock the superblock buffer * if tp is NULL. */ - if (tp == NULL) { - return (xfs_getsb(mp, flags)); - } + if (tp == NULL) + return xfs_getsb(mp, flags); /* * If the superblock buffer already has this transaction @@ -218,7 +217,7 @@ xfs_trans_getsb(xfs_trans_t *tp, ASSERT(atomic_read(&bip->bli_refcount) > 0); bip->bli_recur++; trace_xfs_trans_getsb_recur(bip); - return (bp); + return bp; } bp = xfs_getsb(mp, flags); @@ -227,7 +226,7 @@ xfs_trans_getsb(xfs_trans_t *tp, _xfs_trans_bjoin(tp, bp, 1); trace_xfs_trans_getsb(bp->b_fspriv); - return (bp); + return bp; } #ifdef DEBUG @@ -267,7 +266,7 @@ xfs_trans_read_buf_map( bp = xfs_buf_read_map(target, map, nmaps, flags, ops); if (!bp) return (flags & XBF_TRYLOCK) ? - EAGAIN : XFS_ERROR(ENOMEM); + -EAGAIN : -ENOMEM; if (bp->b_error) { error = bp->b_error; @@ -277,8 +276,8 @@ xfs_trans_read_buf_map( xfs_buf_relse(bp); /* bad CRC means corrupted metadata */ - if (error == EFSBADCRC) - error = EFSCORRUPTED; + if (error == -EFSBADCRC) + error = -EFSCORRUPTED; return error; } #ifdef DEBUG @@ -287,7 +286,7 @@ xfs_trans_read_buf_map( if (((xfs_req_num++) % xfs_error_mod) == 0) { xfs_buf_relse(bp); xfs_debug(mp, "Returning error!"); - return XFS_ERROR(EIO); + return -EIO; } } } @@ -343,8 +342,8 @@ xfs_trans_read_buf_map( xfs_force_shutdown(tp->t_mountp, SHUTDOWN_META_IO_ERROR); /* bad CRC means corrupted metadata */ - if (error == EFSBADCRC) - error = EFSCORRUPTED; + if (error == -EFSBADCRC) + error = -EFSCORRUPTED; return error; } } @@ -355,7 +354,7 @@ xfs_trans_read_buf_map( if (XFS_FORCED_SHUTDOWN(mp)) { trace_xfs_trans_read_buf_shut(bp, _RET_IP_); *bpp = NULL; - return XFS_ERROR(EIO); + return -EIO; } @@ -372,7 +371,7 @@ xfs_trans_read_buf_map( if (bp == NULL) { *bpp = NULL; return (flags & XBF_TRYLOCK) ? - 0 : XFS_ERROR(ENOMEM); + 0 : -ENOMEM; } if (bp->b_error) { error = bp->b_error; @@ -384,8 +383,8 @@ xfs_trans_read_buf_map( xfs_buf_relse(bp); /* bad CRC means corrupted metadata */ - if (error == EFSBADCRC) - error = EFSCORRUPTED; + if (error == -EFSBADCRC) + error = -EFSCORRUPTED; return error; } #ifdef DEBUG @@ -396,7 +395,7 @@ xfs_trans_read_buf_map( SHUTDOWN_META_IO_ERROR); xfs_buf_relse(bp); xfs_debug(mp, "Returning trans error!"); - return XFS_ERROR(EIO); + return -EIO; } } } @@ -414,7 +413,7 @@ shutdown_abort: trace_xfs_trans_read_buf_shut(bp, _RET_IP_); xfs_buf_relse(bp); *bpp = NULL; - return XFS_ERROR(EIO); + return -EIO; } /* diff --git a/fs/xfs/xfs_trans_dquot.c b/fs/xfs/xfs_trans_dquot.c index 41172861e857..846e061c2e98 100644 --- a/fs/xfs/xfs_trans_dquot.c +++ b/fs/xfs/xfs_trans_dquot.c @@ -722,8 +722,8 @@ xfs_trans_dqresv( error_return: xfs_dqunlock(dqp); if (flags & XFS_QMOPT_ENOSPC) - return ENOSPC; - return EDQUOT; + return -ENOSPC; + return -EDQUOT; } diff --git a/fs/xfs/xfs_types.h b/fs/xfs/xfs_types.h index 65c6e6650b1a..b79dc66b2ecd 100644 --- a/fs/xfs/xfs_types.h +++ b/fs/xfs/xfs_types.h @@ -38,43 +38,18 @@ typedef __int32_t xfs_tid_t; /* transaction identifier */ typedef __uint32_t xfs_dablk_t; /* dir/attr block number (in file) */ typedef __uint32_t xfs_dahash_t; /* dir/attr hash value */ -/* - * These types are 64 bits on disk but are either 32 or 64 bits in memory. - * Disk based types: - */ -typedef __uint64_t xfs_dfsbno_t; /* blockno in filesystem (agno|agbno) */ -typedef __uint64_t xfs_drfsbno_t; /* blockno in filesystem (raw) */ -typedef __uint64_t xfs_drtbno_t; /* extent (block) in realtime area */ -typedef __uint64_t xfs_dfiloff_t; /* block number in a file */ -typedef __uint64_t xfs_dfilblks_t; /* number of blocks in a file */ - -/* - * Memory based types are conditional. - */ -#if XFS_BIG_BLKNOS typedef __uint64_t xfs_fsblock_t; /* blockno in filesystem (agno|agbno) */ typedef __uint64_t xfs_rfsblock_t; /* blockno in filesystem (raw) */ typedef __uint64_t xfs_rtblock_t; /* extent (block) in realtime area */ -typedef __int64_t xfs_srtblock_t; /* signed version of xfs_rtblock_t */ -#else -typedef __uint32_t xfs_fsblock_t; /* blockno in filesystem (agno|agbno) */ -typedef __uint32_t xfs_rfsblock_t; /* blockno in filesystem (raw) */ -typedef __uint32_t xfs_rtblock_t; /* extent (block) in realtime area */ -typedef __int32_t xfs_srtblock_t; /* signed version of xfs_rtblock_t */ -#endif typedef __uint64_t xfs_fileoff_t; /* block number in a file */ -typedef __int64_t xfs_sfiloff_t; /* signed block number in a file */ typedef __uint64_t xfs_filblks_t; /* number of blocks in a file */ +typedef __int64_t xfs_srtblock_t; /* signed version of xfs_rtblock_t */ +typedef __int64_t xfs_sfiloff_t; /* signed block number in a file */ /* * Null values for the types. */ -#define NULLDFSBNO ((xfs_dfsbno_t)-1) -#define NULLDRFSBNO ((xfs_drfsbno_t)-1) -#define NULLDRTBNO ((xfs_drtbno_t)-1) -#define NULLDFILOFF ((xfs_dfiloff_t)-1) - #define NULLFSBLOCK ((xfs_fsblock_t)-1) #define NULLRFSBLOCK ((xfs_rfsblock_t)-1) #define NULLRTBLOCK ((xfs_rtblock_t)-1) diff --git a/fs/xfs/xfs_vnode.h b/fs/xfs/xfs_vnode.h deleted file mode 100644 index e8a77383c0d5..000000000000 --- a/fs/xfs/xfs_vnode.h +++ /dev/null @@ -1,46 +0,0 @@ -/* - * Copyright (c) 2000-2005 Silicon Graphics, Inc. - * All Rights Reserved. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation. - * - * This program is distributed in the hope that it would be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write the Free Software Foundation, - * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - */ -#ifndef __XFS_VNODE_H__ -#define __XFS_VNODE_H__ - -#include "xfs_fs.h" - -struct file; -struct xfs_inode; -struct attrlist_cursor_kern; - -/* - * Flags for read/write calls - same values as IRIX - */ -#define IO_ISDIRECT 0x00004 /* bypass page cache */ -#define IO_INVIS 0x00020 /* don't update inode timestamps */ - -#define XFS_IO_FLAGS \ - { IO_ISDIRECT, "DIRECT" }, \ - { IO_INVIS, "INVIS"} - -/* - * Some useful predicates. - */ -#define VN_MAPPED(vp) mapping_mapped(vp->i_mapping) -#define VN_CACHED(vp) (vp->i_mapping->nrpages) -#define VN_DIRTY(vp) mapping_tagged(vp->i_mapping, \ - PAGECACHE_TAG_DIRTY) - - -#endif /* __XFS_VNODE_H__ */ diff --git a/fs/xfs/xfs_xattr.c b/fs/xfs/xfs_xattr.c index 78ed92a46fdd..93455b998041 100644 --- a/fs/xfs/xfs_xattr.c +++ b/fs/xfs/xfs_xattr.c @@ -49,7 +49,7 @@ xfs_xattr_get(struct dentry *dentry, const char *name, value = NULL; } - error = -xfs_attr_get(ip, (unsigned char *)name, value, &asize, xflags); + error = xfs_attr_get(ip, (unsigned char *)name, value, &asize, xflags); if (error) return error; return asize; @@ -71,8 +71,8 @@ xfs_xattr_set(struct dentry *dentry, const char *name, const void *value, xflags |= ATTR_REPLACE; if (!value) - return -xfs_attr_remove(ip, (unsigned char *)name, xflags); - return -xfs_attr_set(ip, (unsigned char *)name, + return xfs_attr_remove(ip, (unsigned char *)name, xflags); + return xfs_attr_set(ip, (unsigned char *)name, (void *)value, size, xflags); } diff --git a/include/dt-bindings/dma/nbpfaxi.h b/include/dt-bindings/dma/nbpfaxi.h new file mode 100644 index 000000000000..c1a5b9e0d6a4 --- /dev/null +++ b/include/dt-bindings/dma/nbpfaxi.h @@ -0,0 +1,20 @@ +/* + * Copyright (C) 2013-2014 Renesas Electronics Europe Ltd. + * Author: Guennadi Liakhovetski <g.liakhovetski@gmx.de> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of version 2 of the GNU General Public License as + * published by the Free Software Foundation. + */ + +#ifndef DT_BINDINGS_NBPFAXI_H +#define DT_BINDINGS_NBPFAXI_H + +/** + * Use "#dma-cells = <2>;" with the second integer defining slave DMA flags: + */ +#define NBPF_SLAVE_RQ_HIGH 1 +#define NBPF_SLAVE_RQ_LOW 2 +#define NBPF_SLAVE_RQ_LEVEL 4 + +#endif diff --git a/include/linux/acct.h b/include/linux/acct.h index 4a5b7cb56079..dccc2d4fe7de 100644 --- a/include/linux/acct.h +++ b/include/linux/acct.h @@ -24,14 +24,10 @@ struct super_block; struct pacct_struct; struct pid_namespace; extern int acct_parm[]; /* for sysctl */ -extern void acct_auto_close_mnt(struct vfsmount *m); -extern void acct_auto_close(struct super_block *sb); extern void acct_collect(long exitcode, int group_dead); extern void acct_process(void); extern void acct_exit_ns(struct pid_namespace *); #else -#define acct_auto_close_mnt(x) do { } while (0) -#define acct_auto_close(x) do { } while (0) #define acct_collect(x,y) do { } while (0) #define acct_process() do { } while (0) #define acct_exit_ns(ns) do { } while (0) diff --git a/include/linux/bio.h b/include/linux/bio.h index d2633ee099d9..b39e5000ff58 100644 --- a/include/linux/bio.h +++ b/include/linux/bio.h @@ -308,6 +308,7 @@ struct bio_integrity_payload { unsigned short bip_slab; /* slab the bip came from */ unsigned short bip_vcnt; /* # of integrity bio_vecs */ + unsigned short bip_max_vcnt; /* integrity bio_vec slots */ unsigned bip_owns_buf:1; /* should free bip_buf */ struct work_struct bip_work; /* I/O completion */ diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index 8699bcf5f099..518b46555b80 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -21,6 +21,7 @@ #include <linux/bsg.h> #include <linux/smp.h> #include <linux/rcupdate.h> +#include <linux/percpu-refcount.h> #include <asm/scatterlist.h> @@ -470,6 +471,7 @@ struct request_queue { struct mutex sysfs_lock; int bypass_depth; + int mq_freeze_depth; #if defined(CONFIG_BLK_DEV_BSG) bsg_job_fn *bsg_job_fn; @@ -483,7 +485,7 @@ struct request_queue { #endif struct rcu_head rcu_head; wait_queue_head_t mq_freeze_wq; - struct percpu_counter mq_usage_counter; + struct percpu_ref mq_usage_counter; struct list_head all_q_node; struct blk_mq_tag_set *tag_set; diff --git a/include/linux/ceph/messenger.h b/include/linux/ceph/messenger.h index d21f2dba0731..40ae58e3e9db 100644 --- a/include/linux/ceph/messenger.h +++ b/include/linux/ceph/messenger.h @@ -285,19 +285,9 @@ extern void ceph_msg_data_add_bio(struct ceph_msg *msg, struct bio *bio, extern struct ceph_msg *ceph_msg_new(int type, int front_len, gfp_t flags, bool can_fail); -extern void ceph_msg_kfree(struct ceph_msg *m); - -static inline struct ceph_msg *ceph_msg_get(struct ceph_msg *msg) -{ - kref_get(&msg->kref); - return msg; -} -extern void ceph_msg_last_put(struct kref *kref); -static inline void ceph_msg_put(struct ceph_msg *msg) -{ - kref_put(&msg->kref, ceph_msg_last_put); -} +extern struct ceph_msg *ceph_msg_get(struct ceph_msg *msg); +extern void ceph_msg_put(struct ceph_msg *msg); extern void ceph_msg_dump(struct ceph_msg *msg); diff --git a/include/linux/ceph/osd_client.h b/include/linux/ceph/osd_client.h index 94ec69672164..03aeb27fcc69 100644 --- a/include/linux/ceph/osd_client.h +++ b/include/linux/ceph/osd_client.h @@ -117,7 +117,7 @@ struct ceph_osd_request { struct list_head r_req_lru_item; struct list_head r_osd_item; struct list_head r_linger_item; - struct list_head r_linger_osd; + struct list_head r_linger_osd_item; struct ceph_osd *r_osd; struct ceph_pg r_pgid; int r_pg_osds[CEPH_PG_MAX_SIZE]; @@ -325,22 +325,14 @@ extern struct ceph_osd_request *ceph_osdc_new_request(struct ceph_osd_client *, extern void ceph_osdc_set_request_linger(struct ceph_osd_client *osdc, struct ceph_osd_request *req); -extern void ceph_osdc_unregister_linger_request(struct ceph_osd_client *osdc, - struct ceph_osd_request *req); - -static inline void ceph_osdc_get_request(struct ceph_osd_request *req) -{ - kref_get(&req->r_kref); -} -extern void ceph_osdc_release_request(struct kref *kref); -static inline void ceph_osdc_put_request(struct ceph_osd_request *req) -{ - kref_put(&req->r_kref, ceph_osdc_release_request); -} + +extern void ceph_osdc_get_request(struct ceph_osd_request *req); +extern void ceph_osdc_put_request(struct ceph_osd_request *req); extern int ceph_osdc_start_request(struct ceph_osd_client *osdc, struct ceph_osd_request *req, bool nofail); +extern void ceph_osdc_cancel_request(struct ceph_osd_request *req); extern int ceph_osdc_wait_request(struct ceph_osd_client *osdc, struct ceph_osd_request *req); extern void ceph_osdc_sync(struct ceph_osd_client *osdc); diff --git a/include/linux/dcache.h b/include/linux/dcache.h index 3c7ec327ebd2..e4ae2ad48d07 100644 --- a/include/linux/dcache.h +++ b/include/linux/dcache.h @@ -249,6 +249,7 @@ extern struct dentry * d_splice_alias(struct inode *, struct dentry *); extern struct dentry * d_add_ci(struct dentry *, struct inode *, struct qstr *); extern struct dentry *d_find_any_alias(struct inode *inode); extern struct dentry * d_obtain_alias(struct inode *); +extern struct dentry * d_obtain_root(struct inode *); extern void shrink_dcache_sb(struct super_block *); extern void shrink_dcache_parent(struct dentry *); extern void shrink_dcache_for_umount(struct super_block *); diff --git a/include/linux/dmaengine.h b/include/linux/dmaengine.h index 3d1c2aa51530..1f9e642c66ad 100644 --- a/include/linux/dmaengine.h +++ b/include/linux/dmaengine.h @@ -37,7 +37,6 @@ */ typedef s32 dma_cookie_t; #define DMA_MIN_COOKIE 1 -#define DMA_MAX_COOKIE INT_MAX static inline int dma_submit_error(dma_cookie_t cookie) { @@ -671,7 +670,7 @@ struct dma_device { struct dma_async_tx_descriptor *(*device_prep_dma_cyclic)( struct dma_chan *chan, dma_addr_t buf_addr, size_t buf_len, size_t period_len, enum dma_transfer_direction direction, - unsigned long flags, void *context); + unsigned long flags); struct dma_async_tx_descriptor *(*device_prep_interleaved_dma)( struct dma_chan *chan, struct dma_interleaved_template *xt, unsigned long flags); @@ -746,7 +745,7 @@ static inline struct dma_async_tx_descriptor *dmaengine_prep_dma_cyclic( unsigned long flags) { return chan->device->device_prep_dma_cyclic(chan, buf_addr, buf_len, - period_len, dir, flags, NULL); + period_len, dir, flags); } static inline struct dma_async_tx_descriptor *dmaengine_prep_interleaved_dma( diff --git a/include/linux/drbd.h b/include/linux/drbd.h index 3dbe9bd57a09..debb70d40547 100644 --- a/include/linux/drbd.h +++ b/include/linux/drbd.h @@ -52,7 +52,7 @@ #endif extern const char *drbd_buildtag(void); -#define REL_VERSION "8.4.3" +#define REL_VERSION "8.4.5" #define API_VERSION 1 #define PRO_VERSION_MIN 86 #define PRO_VERSION_MAX 101 @@ -245,7 +245,7 @@ enum drbd_disk_state { D_DISKLESS, D_ATTACHING, /* In the process of reading the meta-data */ D_FAILED, /* Becomes D_DISKLESS as soon as we told it the peer */ - /* when >= D_FAILED it is legal to access mdev->bc */ + /* when >= D_FAILED it is legal to access mdev->ldev */ D_NEGOTIATING, /* Late attaching state, we need to talk to the peer */ D_INCONSISTENT, D_OUTDATED, diff --git a/include/linux/drbd_genl.h b/include/linux/drbd_genl.h index 4193f5f2636c..7b131ed8f9c6 100644 --- a/include/linux/drbd_genl.h +++ b/include/linux/drbd_genl.h @@ -171,6 +171,10 @@ GENL_struct(DRBD_NLA_NET_CONF, 5, net_conf, __flg_field(28, DRBD_GENLA_F_MANDATORY | DRBD_F_INVARIANT, tentative) __flg_field_def(29, DRBD_GENLA_F_MANDATORY, use_rle, DRBD_USE_RLE_DEF) /* 9: __u32_field_def(30, DRBD_GENLA_F_MANDATORY, fencing_policy, DRBD_FENCING_DEF) */ + /* 9: __str_field_def(31, DRBD_GENLA_F_MANDATORY, name, SHARED_SECRET_MAX) */ + /* 9: __u32_field(32, DRBD_F_REQUIRED | DRBD_F_INVARIANT, peer_node_id) */ + __flg_field_def(33, 0 /* OPTIONAL */, csums_after_crash_only, DRBD_CSUMS_AFTER_CRASH_ONLY_DEF) + __u32_field_def(34, 0 /* OPTIONAL */, sock_check_timeo, DRBD_SOCKET_CHECK_TIMEO_DEF) ) GENL_struct(DRBD_NLA_SET_ROLE_PARMS, 6, set_role_parms, diff --git a/include/linux/drbd_limits.h b/include/linux/drbd_limits.h index 17e50bb00521..8ac8c5d9a3ad 100644 --- a/include/linux/drbd_limits.h +++ b/include/linux/drbd_limits.h @@ -214,6 +214,7 @@ #define DRBD_ALLOW_TWO_PRIMARIES_DEF 0 #define DRBD_ALWAYS_ASBP_DEF 0 #define DRBD_USE_RLE_DEF 1 +#define DRBD_CSUMS_AFTER_CRASH_ONLY_DEF 0 #define DRBD_AL_STRIPES_MIN 1 #define DRBD_AL_STRIPES_MAX 1024 @@ -224,4 +225,9 @@ #define DRBD_AL_STRIPE_SIZE_MAX 16777216 #define DRBD_AL_STRIPE_SIZE_DEF 32 #define DRBD_AL_STRIPE_SIZE_SCALE 'k' /* kilobytes */ + +#define DRBD_SOCKET_CHECK_TIMEO_MIN 0 +#define DRBD_SOCKET_CHECK_TIMEO_MAX DRBD_PING_TIMEO_MAX +#define DRBD_SOCKET_CHECK_TIMEO_DEF 0 +#define DRBD_SOCKET_CHECK_TIMEO_SCALE '1' #endif diff --git a/include/linux/edac.h b/include/linux/edac.h index 8e6c20af11a2..e1e68da6f35c 100644 --- a/include/linux/edac.h +++ b/include/linux/edac.h @@ -194,6 +194,9 @@ static inline char *mc_event_error_type(const unsigned int err_type) * @MEM_DDR3: DDR3 RAM * @MEM_RDDR3: Registered DDR3 RAM * This is a variant of the DDR3 memories. + * @MEM_DDR4: DDR4 RAM + * @MEM_RDDR4: Registered DDR4 RAM + * This is a variant of the DDR4 memories. */ enum mem_type { MEM_EMPTY = 0, @@ -213,6 +216,8 @@ enum mem_type { MEM_XDR, MEM_DDR3, MEM_RDDR3, + MEM_DDR4, + MEM_RDDR4, }; #define MEM_FLAG_EMPTY BIT(MEM_EMPTY) diff --git a/include/linux/fs.h b/include/linux/fs.h index f0890e4a7c25..94187721ad41 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -1275,6 +1275,7 @@ struct super_block { /* AIO completions deferred from interrupt context */ struct workqueue_struct *s_dio_done_wq; + struct hlist_head s_pins; /* * Keep the lru lists last in the structure so they always sit on their @@ -2360,6 +2361,7 @@ extern int do_pipe_flags(int *, int); extern int kernel_read(struct file *, loff_t, char *, unsigned long); extern ssize_t kernel_write(struct file *, const char *, size_t, loff_t); +extern ssize_t __kernel_write(struct file *, const char *, size_t, loff_t *); extern struct file * open_exec(const char *); /* fs/dcache.c -- generic fs support functions */ diff --git a/include/linux/fs_pin.h b/include/linux/fs_pin.h new file mode 100644 index 000000000000..f66525e72ccf --- /dev/null +++ b/include/linux/fs_pin.h @@ -0,0 +1,17 @@ +#include <linux/fs.h> + +struct fs_pin { + atomic_long_t count; + union { + struct { + struct hlist_node s_list; + struct hlist_node m_list; + }; + struct rcu_head rcu; + }; + void (*kill)(struct fs_pin *); +}; + +void pin_put(struct fs_pin *); +void pin_remove(struct fs_pin *); +void pin_insert(struct fs_pin *, struct vfsmount *); diff --git a/include/linux/if_vlan.h b/include/linux/if_vlan.h index 4967916fe4ac..d69f0577a319 100644 --- a/include/linux/if_vlan.h +++ b/include/linux/if_vlan.h @@ -187,7 +187,6 @@ vlan_dev_get_egress_qos_mask(struct net_device *dev, u32 skprio) } extern bool vlan_do_receive(struct sk_buff **skb); -extern struct sk_buff *vlan_untag(struct sk_buff *skb); extern int vlan_vid_add(struct net_device *dev, __be16 proto, u16 vid); extern void vlan_vid_del(struct net_device *dev, __be16 proto, u16 vid); @@ -241,11 +240,6 @@ static inline bool vlan_do_receive(struct sk_buff **skb) return false; } -static inline struct sk_buff *vlan_untag(struct sk_buff *skb) -{ - return skb; -} - static inline int vlan_vid_add(struct net_device *dev, __be16 proto, u16 vid) { return 0; diff --git a/include/linux/input/mt.h b/include/linux/input/mt.h index 1b1dfa80d9ff..f583ff639776 100644 --- a/include/linux/input/mt.h +++ b/include/linux/input/mt.h @@ -105,6 +105,7 @@ void input_mt_report_slot_state(struct input_dev *dev, void input_mt_report_finger_count(struct input_dev *dev, int count); void input_mt_report_pointer_emulation(struct input_dev *dev, bool use_count); +void input_mt_drop_unused(struct input_dev *dev); void input_mt_sync_frame(struct input_dev *dev); diff --git a/include/linux/mlx4/cmd.h b/include/linux/mlx4/cmd.h index c8450366c130..379c02648ab3 100644 --- a/include/linux/mlx4/cmd.h +++ b/include/linux/mlx4/cmd.h @@ -116,6 +116,7 @@ enum { /* special QP and management commands */ MLX4_CMD_CONF_SPECIAL_QP = 0x23, MLX4_CMD_MAD_IFC = 0x24, + MLX4_CMD_MAD_DEMUX = 0x203, /* multicast commands */ MLX4_CMD_READ_MCG = 0x25, @@ -186,6 +187,12 @@ enum { }; enum { + MLX4_CMD_MAD_DEMUX_CONFIG = 0, + MLX4_CMD_MAD_DEMUX_QUERY_STATE = 1, + MLX4_CMD_MAD_DEMUX_QUERY_RESTR = 2, /* Query mad demux restrictions */ +}; + +enum { MLX4_CMD_WRAPPED, MLX4_CMD_NATIVE }; diff --git a/include/linux/mlx4/device.h b/include/linux/mlx4/device.h index e15b1544ea83..071f6b234604 100644 --- a/include/linux/mlx4/device.h +++ b/include/linux/mlx4/device.h @@ -183,6 +183,7 @@ enum { MLX4_DEV_CAP_FLAG2_UPDATE_QP = 1LL << 8, MLX4_DEV_CAP_FLAG2_DMFS_IPOIB = 1LL << 9, MLX4_DEV_CAP_FLAG2_VXLAN_OFFLOADS = 1LL << 10, + MLX4_DEV_CAP_FLAG2_MAD_DEMUX = 1LL << 11, }; enum { @@ -273,6 +274,7 @@ enum { MLX4_PERM_REMOTE_WRITE = 1 << 13, MLX4_PERM_ATOMIC = 1 << 14, MLX4_PERM_BIND_MW = 1 << 15, + MLX4_PERM_MASK = 0xFC00 }; enum { @@ -1254,6 +1256,21 @@ int mlx4_vf_smi_enabled(struct mlx4_dev *dev, int slave, int port); int mlx4_vf_get_enable_smi_admin(struct mlx4_dev *dev, int slave, int port); int mlx4_vf_set_enable_smi_admin(struct mlx4_dev *dev, int slave, int port, int enable); +int mlx4_mr_hw_get_mpt(struct mlx4_dev *dev, struct mlx4_mr *mmr, + struct mlx4_mpt_entry ***mpt_entry); +int mlx4_mr_hw_write_mpt(struct mlx4_dev *dev, struct mlx4_mr *mmr, + struct mlx4_mpt_entry **mpt_entry); +int mlx4_mr_hw_change_pd(struct mlx4_dev *dev, struct mlx4_mpt_entry *mpt_entry, + u32 pdn); +int mlx4_mr_hw_change_access(struct mlx4_dev *dev, + struct mlx4_mpt_entry *mpt_entry, + u32 access); +void mlx4_mr_hw_put_mpt(struct mlx4_dev *dev, + struct mlx4_mpt_entry **mpt_entry); +void mlx4_mr_rereg_mem_cleanup(struct mlx4_dev *dev, struct mlx4_mr *mr); +int mlx4_mr_rereg_mem_write(struct mlx4_dev *dev, struct mlx4_mr *mr, + u64 iova, u64 size, int npages, + int page_shift, struct mlx4_mpt_entry *mpt_entry); /* Returns true if running in low memory profile (kdump kernel) */ static inline bool mlx4_low_memory_profile(void) diff --git a/include/linux/mmc/dw_mmc.h b/include/linux/mmc/dw_mmc.h index babaea93bca6..29ce014ab421 100644 --- a/include/linux/mmc/dw_mmc.h +++ b/include/linux/mmc/dw_mmc.h @@ -213,6 +213,8 @@ struct dw_mci_dma_ops { #define DW_MCI_QUIRK_HIGHSPEED BIT(2) /* Unreliable card detection */ #define DW_MCI_QUIRK_BROKEN_CARD_DETECTION BIT(3) +/* No write protect */ +#define DW_MCI_QUIRK_NO_WRITE_PROTECT BIT(4) /* Slot level quirks */ /* This slot has no write protect */ diff --git a/include/linux/mmc/sdhci.h b/include/linux/mmc/sdhci.h index 08abe9941884..09ebe57d5ce9 100644 --- a/include/linux/mmc/sdhci.h +++ b/include/linux/mmc/sdhci.h @@ -104,9 +104,6 @@ struct sdhci_host { const struct sdhci_ops *ops; /* Low level hw interface */ - struct regulator *vmmc; /* Power regulator (vmmc) */ - struct regulator *vqmmc; /* Signaling regulator (vccq) */ - /* Internal data */ struct mmc_host *mmc; /* MMC structure */ u64 dma_mask; /* custom DMA mask */ diff --git a/include/linux/mount.h b/include/linux/mount.h index b0c1e6574e7f..9262e4bf0cc3 100644 --- a/include/linux/mount.h +++ b/include/linux/mount.h @@ -69,6 +69,7 @@ struct vfsmount { }; struct file; /* forward dec */ +struct path; extern int mnt_want_write(struct vfsmount *mnt); extern int mnt_want_write_file(struct file *file); @@ -77,8 +78,7 @@ extern void mnt_drop_write(struct vfsmount *mnt); extern void mnt_drop_write_file(struct file *file); extern void mntput(struct vfsmount *mnt); extern struct vfsmount *mntget(struct vfsmount *mnt); -extern void mnt_pin(struct vfsmount *mnt); -extern void mnt_unpin(struct vfsmount *mnt); +extern struct vfsmount *mnt_clone_internal(struct path *path); extern int __mnt_is_readonly(struct vfsmount *mnt); struct file_system_type; diff --git a/include/linux/nfs_fs.h b/include/linux/nfs_fs.h index e30f6059ecd6..5180a7ededec 100644 --- a/include/linux/nfs_fs.h +++ b/include/linux/nfs_fs.h @@ -52,6 +52,7 @@ struct nfs_access_entry { unsigned long jiffies; struct rpc_cred * cred; int mask; + struct rcu_head rcu_head; }; struct nfs_lockowner { @@ -352,6 +353,7 @@ extern int nfs_release(struct inode *, struct file *); extern int nfs_attribute_timeout(struct inode *inode); extern int nfs_attribute_cache_expired(struct inode *inode); extern int nfs_revalidate_inode(struct nfs_server *server, struct inode *inode); +extern int nfs_revalidate_inode_rcu(struct nfs_server *server, struct inode *inode); extern int __nfs_revalidate_inode(struct nfs_server *, struct inode *); extern int nfs_revalidate_mapping(struct inode *inode, struct address_space *mapping); extern int nfs_setattr(struct dentry *, struct iattr *); diff --git a/include/linux/nfs_fs_sb.h b/include/linux/nfs_fs_sb.h index 1150ea41b626..922be2e050f5 100644 --- a/include/linux/nfs_fs_sb.h +++ b/include/linux/nfs_fs_sb.h @@ -45,6 +45,7 @@ struct nfs_client { struct sockaddr_storage cl_addr; /* server identifier */ size_t cl_addrlen; char * cl_hostname; /* hostname of server */ + char * cl_acceptor; /* GSSAPI acceptor name */ struct list_head cl_share_link; /* link in global client list */ struct list_head cl_superblocks; /* List of nfs_server structs */ diff --git a/include/linux/nfs_page.h b/include/linux/nfs_page.h index 7d9096d95d4a..6ad2bbcad405 100644 --- a/include/linux/nfs_page.h +++ b/include/linux/nfs_page.h @@ -26,7 +26,7 @@ enum { PG_MAPPED, /* page private set for buffered io */ PG_CLEAN, /* write succeeded */ PG_COMMIT_TO_DS, /* used by pnfs layouts */ - PG_INODE_REF, /* extra ref held by inode (head req only) */ + PG_INODE_REF, /* extra ref held by inode when in writeback */ PG_HEADLOCK, /* page group lock of wb_head */ PG_TEARDOWN, /* page group sync for destroy */ PG_UNLOCKPAGE, /* page group sync bit in read path */ @@ -62,12 +62,13 @@ struct nfs_pageio_ops { struct nfs_rw_ops { const fmode_t rw_mode; - struct nfs_rw_header *(*rw_alloc_header)(void); - void (*rw_free_header)(struct nfs_rw_header *); - void (*rw_release)(struct nfs_pgio_data *); - int (*rw_done)(struct rpc_task *, struct nfs_pgio_data *, struct inode *); - void (*rw_result)(struct rpc_task *, struct nfs_pgio_data *); - void (*rw_initiate)(struct nfs_pgio_data *, struct rpc_message *, + struct nfs_pgio_header *(*rw_alloc_header)(void); + void (*rw_free_header)(struct nfs_pgio_header *); + void (*rw_release)(struct nfs_pgio_header *); + int (*rw_done)(struct rpc_task *, struct nfs_pgio_header *, + struct inode *); + void (*rw_result)(struct rpc_task *, struct nfs_pgio_header *); + void (*rw_initiate)(struct nfs_pgio_header *, struct rpc_message *, struct rpc_task_setup *, int); }; @@ -111,6 +112,8 @@ extern void nfs_pageio_init(struct nfs_pageio_descriptor *desc, int how); extern int nfs_pageio_add_request(struct nfs_pageio_descriptor *, struct nfs_page *); +extern int nfs_pageio_resend(struct nfs_pageio_descriptor *, + struct nfs_pgio_header *); extern void nfs_pageio_complete(struct nfs_pageio_descriptor *desc); extern void nfs_pageio_cond_complete(struct nfs_pageio_descriptor *, pgoff_t); extern size_t nfs_generic_pg_test(struct nfs_pageio_descriptor *desc, @@ -119,7 +122,7 @@ extern size_t nfs_generic_pg_test(struct nfs_pageio_descriptor *desc, extern int nfs_wait_on_request(struct nfs_page *); extern void nfs_unlock_request(struct nfs_page *req); extern void nfs_unlock_and_release_request(struct nfs_page *); -extern void nfs_page_group_lock(struct nfs_page *); +extern int nfs_page_group_lock(struct nfs_page *, bool); extern void nfs_page_group_unlock(struct nfs_page *); extern bool nfs_page_group_sync_on_bit(struct nfs_page *, unsigned int); diff --git a/include/linux/nfs_xdr.h b/include/linux/nfs_xdr.h index 9a1396e70310..0040629894df 100644 --- a/include/linux/nfs_xdr.h +++ b/include/linux/nfs_xdr.h @@ -993,6 +993,7 @@ struct nfs4_setclientid { unsigned int sc_uaddr_len; char sc_uaddr[RPCBIND_MAXUADDRLEN + 1]; u32 sc_cb_ident; + struct rpc_cred *sc_cred; }; struct nfs4_setclientid_res { @@ -1253,18 +1254,12 @@ enum { NFS_IOHDR_ERROR = 0, NFS_IOHDR_EOF, NFS_IOHDR_REDO, - NFS_IOHDR_NEED_COMMIT, - NFS_IOHDR_NEED_RESCHED, }; -struct nfs_pgio_data; - struct nfs_pgio_header { struct inode *inode; struct rpc_cred *cred; struct list_head pages; - struct nfs_pgio_data *data; - atomic_t refcnt; struct nfs_page *req; struct nfs_writeverf verf; /* Used for writes */ struct pnfs_layout_segment *lseg; @@ -1281,28 +1276,22 @@ struct nfs_pgio_header { int error; /* merge with pnfs_error */ unsigned long good_bytes; /* boundary of good data */ unsigned long flags; -}; -struct nfs_pgio_data { - struct nfs_pgio_header *header; + /* + * rpc data + */ struct rpc_task task; struct nfs_fattr fattr; - struct nfs_writeverf verf; /* Used for writes */ struct nfs_pgio_args args; /* argument struct */ struct nfs_pgio_res res; /* result struct */ unsigned long timestamp; /* For lease renewal */ - int (*pgio_done_cb) (struct rpc_task *task, struct nfs_pgio_data *data); + int (*pgio_done_cb)(struct rpc_task *, struct nfs_pgio_header *); __u64 mds_offset; /* Filelayout dense stripe */ - struct nfs_page_array pages; + struct nfs_page_array page_array; struct nfs_client *ds_clp; /* pNFS data server */ int ds_idx; /* ds index if ds_clp is set */ }; -struct nfs_rw_header { - struct nfs_pgio_header header; - struct nfs_pgio_data rpc_data; -}; - struct nfs_mds_commit_info { atomic_t rpcs_out; unsigned long ncommit; @@ -1432,11 +1421,12 @@ struct nfs_rpc_ops { struct nfs_pathconf *); int (*set_capabilities)(struct nfs_server *, struct nfs_fh *); int (*decode_dirent)(struct xdr_stream *, struct nfs_entry *, int); - int (*pgio_rpc_prepare)(struct rpc_task *, struct nfs_pgio_data *); - void (*read_setup) (struct nfs_pgio_data *, struct rpc_message *); - int (*read_done) (struct rpc_task *, struct nfs_pgio_data *); - void (*write_setup) (struct nfs_pgio_data *, struct rpc_message *); - int (*write_done) (struct rpc_task *, struct nfs_pgio_data *); + int (*pgio_rpc_prepare)(struct rpc_task *, + struct nfs_pgio_header *); + void (*read_setup)(struct nfs_pgio_header *, struct rpc_message *); + int (*read_done)(struct rpc_task *, struct nfs_pgio_header *); + void (*write_setup)(struct nfs_pgio_header *, struct rpc_message *); + int (*write_done)(struct rpc_task *, struct nfs_pgio_header *); void (*commit_setup) (struct nfs_commit_data *, struct rpc_message *); void (*commit_rpc_prepare)(struct rpc_task *, struct nfs_commit_data *); int (*commit_done) (struct rpc_task *, struct nfs_commit_data *); diff --git a/include/linux/of.h b/include/linux/of.h index 196b34c1ef4e..6c4363b8ddc3 100644 --- a/include/linux/of.h +++ b/include/linux/of.h @@ -74,8 +74,6 @@ struct of_phandle_args { uint32_t args[MAX_PHANDLE_ARGS]; }; -extern int of_node_add(struct device_node *node); - /* initialize a node */ extern struct kobj_type of_node_ktype; static inline void of_node_init(struct device_node *node) @@ -113,6 +111,7 @@ static inline void of_node_put(struct device_node *node) { } extern struct device_node *of_allnodes; extern struct device_node *of_chosen; extern struct device_node *of_aliases; +extern struct device_node *of_stdout; extern raw_spinlock_t devtree_lock; static inline bool of_have_populated_dt(void) @@ -204,6 +203,7 @@ static inline unsigned long of_read_ulong(const __be32 *cell, int size) #define OF_DYNAMIC 1 /* node and properties were allocated via kmalloc */ #define OF_DETACHED 2 /* node has been detached from the device tree */ #define OF_POPULATED 3 /* device already created for the node */ +#define OF_POPULATED_BUS 4 /* of_platform_populate recursed to children of this node */ #define OF_IS_DYNAMIC(x) test_bit(OF_DYNAMIC, &x->_flags) #define OF_MARK_DYNAMIC(x) set_bit(OF_DYNAMIC, &x->_flags) @@ -322,6 +322,7 @@ extern int of_update_property(struct device_node *np, struct property *newprop); struct of_prop_reconfig { struct device_node *dn; struct property *prop; + struct property *old_prop; }; extern int of_reconfig_notifier_register(struct notifier_block *); @@ -352,7 +353,7 @@ const __be32 *of_prop_next_u32(struct property *prop, const __be32 *cur, */ const char *of_prop_next_string(struct property *prop, const char *cur); -int of_device_is_stdout_path(struct device_node *dn); +bool of_console_check(struct device_node *dn, char *name, int index); #else /* CONFIG_OF */ @@ -564,9 +565,9 @@ static inline int of_machine_is_compatible(const char *compat) return 0; } -static inline int of_device_is_stdout_path(struct device_node *dn) +static inline bool of_console_check(const struct device_node *dn, const char *name, int index) { - return 0; + return false; } static inline const __be32 *of_prop_next_u32(struct property *prop, @@ -786,4 +787,80 @@ typedef void (*of_init_fn_1)(struct device_node *); #define OF_DECLARE_2(table, name, compat, fn) \ _OF_DECLARE(table, name, compat, fn, of_init_fn_2) +/** + * struct of_changeset_entry - Holds a changeset entry + * + * @node: list_head for the log list + * @action: notifier action + * @np: pointer to the device node affected + * @prop: pointer to the property affected + * @old_prop: hold a pointer to the original property + * + * Every modification of the device tree during a changeset + * is held in a list of of_changeset_entry structures. + * That way we can recover from a partial application, or we can + * revert the changeset + */ +struct of_changeset_entry { + struct list_head node; + unsigned long action; + struct device_node *np; + struct property *prop; + struct property *old_prop; +}; + +/** + * struct of_changeset - changeset tracker structure + * + * @entries: list_head for the changeset entries + * + * changesets are a convenient way to apply bulk changes to the + * live tree. In case of an error, changes are rolled-back. + * changesets live on after initial application, and if not + * destroyed after use, they can be reverted in one single call. + */ +struct of_changeset { + struct list_head entries; +}; + +#ifdef CONFIG_OF_DYNAMIC +extern void of_changeset_init(struct of_changeset *ocs); +extern void of_changeset_destroy(struct of_changeset *ocs); +extern int of_changeset_apply(struct of_changeset *ocs); +extern int of_changeset_revert(struct of_changeset *ocs); +extern int of_changeset_action(struct of_changeset *ocs, + unsigned long action, struct device_node *np, + struct property *prop); + +static inline int of_changeset_attach_node(struct of_changeset *ocs, + struct device_node *np) +{ + return of_changeset_action(ocs, OF_RECONFIG_ATTACH_NODE, np, NULL); +} + +static inline int of_changeset_detach_node(struct of_changeset *ocs, + struct device_node *np) +{ + return of_changeset_action(ocs, OF_RECONFIG_DETACH_NODE, np, NULL); +} + +static inline int of_changeset_add_property(struct of_changeset *ocs, + struct device_node *np, struct property *prop) +{ + return of_changeset_action(ocs, OF_RECONFIG_ADD_PROPERTY, np, prop); +} + +static inline int of_changeset_remove_property(struct of_changeset *ocs, + struct device_node *np, struct property *prop) +{ + return of_changeset_action(ocs, OF_RECONFIG_REMOVE_PROPERTY, np, prop); +} + +static inline int of_changeset_update_property(struct of_changeset *ocs, + struct device_node *np, struct property *prop) +{ + return of_changeset_action(ocs, OF_RECONFIG_UPDATE_PROPERTY, np, prop); +} +#endif + #endif /* _LINUX_OF_H */ diff --git a/include/linux/of_dma.h b/include/linux/of_dma.h index ae36298ba076..56bc026c143f 100644 --- a/include/linux/of_dma.h +++ b/include/linux/of_dma.h @@ -41,6 +41,8 @@ extern struct dma_chan *of_dma_request_slave_channel(struct device_node *np, const char *name); extern struct dma_chan *of_dma_simple_xlate(struct of_phandle_args *dma_spec, struct of_dma *ofdma); +extern struct dma_chan *of_dma_xlate_by_chan_id(struct of_phandle_args *dma_spec, + struct of_dma *ofdma); #else static inline int of_dma_controller_register(struct device_node *np, struct dma_chan *(*of_dma_xlate) @@ -66,6 +68,8 @@ static inline struct dma_chan *of_dma_simple_xlate(struct of_phandle_args *dma_s return NULL; } +#define of_dma_xlate_by_chan_id NULL + #endif #endif /* __LINUX_OF_DMA_H */ diff --git a/include/linux/of_platform.h b/include/linux/of_platform.h index d96e1badbee0..c2b0627a2317 100644 --- a/include/linux/of_platform.h +++ b/include/linux/of_platform.h @@ -72,7 +72,7 @@ extern int of_platform_populate(struct device_node *root, const struct of_device_id *matches, const struct of_dev_auxdata *lookup, struct device *parent); -extern int of_platform_depopulate(struct device *parent); +extern void of_platform_depopulate(struct device *parent); #else static inline int of_platform_populate(struct device_node *root, const struct of_device_id *matches, @@ -81,10 +81,7 @@ static inline int of_platform_populate(struct device_node *root, { return -ENODEV; } -static inline int of_platform_depopulate(struct device *parent) -{ - return -ENODEV; -} +static inline void of_platform_depopulate(struct device *parent) { } #endif #endif /* _LINUX_OF_PLATFORM_H */ diff --git a/include/linux/of_reserved_mem.h b/include/linux/of_reserved_mem.h index 4669ddfdd5af..5b5efae09135 100644 --- a/include/linux/of_reserved_mem.h +++ b/include/linux/of_reserved_mem.h @@ -8,6 +8,7 @@ struct reserved_mem_ops; struct reserved_mem { const char *name; unsigned long fdt_node; + unsigned long phandle; const struct reserved_mem_ops *ops; phys_addr_t base; phys_addr_t size; @@ -27,10 +28,16 @@ typedef int (*reservedmem_of_init_fn)(struct reserved_mem *rmem); _OF_DECLARE(reservedmem, name, compat, init, reservedmem_of_init_fn) #ifdef CONFIG_OF_RESERVED_MEM +void of_reserved_mem_device_init(struct device *dev); +void of_reserved_mem_device_release(struct device *dev); + void fdt_init_reserved_mem(void); void fdt_reserved_mem_save_node(unsigned long node, const char *uname, phys_addr_t base, phys_addr_t size); #else +static inline void of_reserved_mem_device_init(struct device *dev) { } +static inline void of_reserved_mem_device_release(struct device *pdev) { } + static inline void fdt_init_reserved_mem(void) { } static inline void fdt_reserved_mem_save_node(unsigned long node, const char *uname, phys_addr_t base, phys_addr_t size) { } diff --git a/include/linux/platform_data/dma-imx.h b/include/linux/platform_data/dma-imx.h index d05542aafa3e..6a1357d31871 100644 --- a/include/linux/platform_data/dma-imx.h +++ b/include/linux/platform_data/dma-imx.h @@ -40,6 +40,7 @@ enum sdma_peripheral_type { IMX_DMATYPE_ASRC, /* ASRC */ IMX_DMATYPE_ESAI, /* ESAI */ IMX_DMATYPE_SSI_DUAL, /* SSI Dual FIFO */ + IMX_DMATYPE_ASRC_SP, /* Shared ASRC */ }; enum imx_dma_prio { diff --git a/include/linux/platform_data/edma.h b/include/linux/platform_data/edma.h index eb8d5627d080..bdb2710e2aab 100644 --- a/include/linux/platform_data/edma.h +++ b/include/linux/platform_data/edma.h @@ -150,6 +150,8 @@ void edma_clear_event(unsigned channel); void edma_pause(unsigned channel); void edma_resume(unsigned channel); +void edma_assign_channel_eventq(unsigned channel, enum dma_event_q eventq_no); + struct edma_rsv_info { const s16 (*rsv_chans)[2]; diff --git a/include/linux/platform_data/mmc-omap.h b/include/linux/platform_data/mmc-omap.h index 2bf1b30cb5dc..51e70cf25cbc 100644 --- a/include/linux/platform_data/mmc-omap.h +++ b/include/linux/platform_data/mmc-omap.h @@ -28,6 +28,7 @@ */ #define OMAP_HSMMC_SUPPORTS_DUAL_VOLT BIT(0) #define OMAP_HSMMC_BROKEN_MULTIBLOCK_READ BIT(1) +#define OMAP_HSMMC_SWAKEUP_MISSING BIT(2) struct mmc_card; diff --git a/include/linux/printk.h b/include/linux/printk.h index 0990997a5304..d78125f73ac4 100644 --- a/include/linux/printk.h +++ b/include/linux/printk.h @@ -10,6 +10,9 @@ extern const char linux_banner[]; extern const char linux_proc_banner[]; +extern char *log_buf_addr_get(void); +extern u32 log_buf_len_get(void); + static inline int printk_get_level(const char *buffer) { if (buffer[0] == KERN_SOH_ASCII && buffer[1]) { diff --git a/include/linux/quota.h b/include/linux/quota.h index 0f3c5d38da1f..80d345a3524c 100644 --- a/include/linux/quota.h +++ b/include/linux/quota.h @@ -390,7 +390,6 @@ struct quota_info { unsigned int flags; /* Flags for diskquotas on this device */ struct mutex dqio_mutex; /* lock device while I/O in progress */ struct mutex dqonoff_mutex; /* Serialize quotaon & quotaoff */ - struct rw_semaphore dqptr_sem; /* serialize ops using quota_info struct, pointers from inode to dquots */ struct inode *files[MAXQUOTAS]; /* inodes of quotafiles */ struct mem_dqinfo info[MAXQUOTAS]; /* Information for each quota type */ const struct quota_format_ops *ops[MAXQUOTAS]; /* Operations for each type */ diff --git a/include/linux/rhashtable.h b/include/linux/rhashtable.h index 9cda293c867d..36826c0166c5 100644 --- a/include/linux/rhashtable.h +++ b/include/linux/rhashtable.h @@ -21,7 +21,7 @@ #include <linux/rculist.h> struct rhash_head { - struct rhash_head *next; + struct rhash_head __rcu *next; }; #define INIT_HASH_HEAD(ptr) ((ptr)->next = NULL) @@ -97,7 +97,7 @@ u32 rhashtable_obj_hashfn(const struct rhashtable *ht, void *ptr); void rhashtable_insert(struct rhashtable *ht, struct rhash_head *node, gfp_t); bool rhashtable_remove(struct rhashtable *ht, struct rhash_head *node, gfp_t); void rhashtable_remove_pprev(struct rhashtable *ht, struct rhash_head *obj, - struct rhash_head **pprev, gfp_t flags); + struct rhash_head __rcu **pprev, gfp_t flags); bool rht_grow_above_75(const struct rhashtable *ht, size_t new_size); bool rht_shrink_below_30(const struct rhashtable *ht, size_t new_size); @@ -117,18 +117,12 @@ void rhashtable_destroy(const struct rhashtable *ht); #define rht_dereference_rcu(p, ht) \ rcu_dereference_check(p, lockdep_rht_mutex_is_held(ht)) -/* Internal, use rht_obj() instead */ #define rht_entry(ptr, type, member) container_of(ptr, type, member) #define rht_entry_safe(ptr, type, member) \ ({ \ typeof(ptr) __ptr = (ptr); \ __ptr ? rht_entry(__ptr, type, member) : NULL; \ }) -#define rht_entry_safe_rcu(ptr, type, member) \ -({ \ - typeof(*ptr) __rcu *__ptr = (typeof(*ptr) __rcu __force *)ptr; \ - __ptr ? container_of((typeof(ptr))rcu_dereference_raw(__ptr), type, member) : NULL; \ -}) #define rht_next_entry_safe(pos, ht, member) \ ({ \ @@ -205,9 +199,10 @@ void rhashtable_destroy(const struct rhashtable *ht); * traversal is guarded by rcu_read_lock(). */ #define rht_for_each_entry_rcu(pos, head, member) \ - for (pos = rht_entry_safe_rcu(head, typeof(*(pos)), member); \ + for (pos = rht_entry_safe(rcu_dereference_raw(head), \ + typeof(*(pos)), member); \ pos; \ - pos = rht_entry_safe_rcu((pos)->member.next, \ - typeof(*(pos)), member)) + pos = rht_entry_safe(rcu_dereference_raw((pos)->member.next), \ + typeof(*(pos)), member)) #endif /* _LINUX_RHASHTABLE_H */ diff --git a/include/linux/sched.h b/include/linux/sched.h index 857ba40426ba..5c2c885ee52b 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -169,8 +169,7 @@ extern int nr_processes(void); extern unsigned long nr_running(void); extern unsigned long nr_iowait(void); extern unsigned long nr_iowait_cpu(int cpu); -extern unsigned long this_cpu_load(void); - +extern void get_iowait_load(unsigned long *nr_waiters, unsigned long *load); extern void calc_global_load(unsigned long ticks); extern void update_cpu_load_nohz(void); diff --git a/include/linux/sh_dma.h b/include/linux/sh_dma.h index b7b43b82231e..56b97eed28a4 100644 --- a/include/linux/sh_dma.h +++ b/include/linux/sh_dma.h @@ -95,19 +95,21 @@ struct sh_dmae_pdata { }; /* DMAOR definitions */ -#define DMAOR_AE 0x00000004 +#define DMAOR_AE 0x00000004 /* Address Error Flag */ #define DMAOR_NMIF 0x00000002 -#define DMAOR_DME 0x00000001 +#define DMAOR_DME 0x00000001 /* DMA Master Enable */ /* Definitions for the SuperH DMAC */ -#define DM_INC 0x00004000 -#define DM_DEC 0x00008000 -#define DM_FIX 0x0000c000 -#define SM_INC 0x00001000 -#define SM_DEC 0x00002000 -#define SM_FIX 0x00003000 -#define CHCR_DE 0x00000001 -#define CHCR_TE 0x00000002 -#define CHCR_IE 0x00000004 +#define DM_INC 0x00004000 /* Destination addresses are incremented */ +#define DM_DEC 0x00008000 /* Destination addresses are decremented */ +#define DM_FIX 0x0000c000 /* Destination address is fixed */ +#define SM_INC 0x00001000 /* Source addresses are incremented */ +#define SM_DEC 0x00002000 /* Source addresses are decremented */ +#define SM_FIX 0x00003000 /* Source address is fixed */ +#define RS_AUTO 0x00000400 /* Auto Request */ +#define RS_ERS 0x00000800 /* DMA extended resource selector */ +#define CHCR_DE 0x00000001 /* DMA Enable */ +#define CHCR_TE 0x00000002 /* Transfer End Flag */ +#define CHCR_IE 0x00000004 /* Interrupt Enable */ #endif diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h index 11c270551d25..abde271c18ae 100644 --- a/include/linux/skbuff.h +++ b/include/linux/skbuff.h @@ -2555,6 +2555,7 @@ int skb_shift(struct sk_buff *tgt, struct sk_buff *skb, int shiftlen); void skb_scrub_packet(struct sk_buff *skb, bool xnet); unsigned int skb_gso_transport_seglen(const struct sk_buff *skb); struct sk_buff *skb_segment(struct sk_buff *skb, netdev_features_t features); +struct sk_buff *skb_vlan_untag(struct sk_buff *skb); struct skb_checksum_ops { __wsum (*update)(const void *mem, int len, __wsum wsum); diff --git a/include/linux/sunrpc/auth.h b/include/linux/sunrpc/auth.h index 790be1472792..8e030075fe79 100644 --- a/include/linux/sunrpc/auth.h +++ b/include/linux/sunrpc/auth.h @@ -103,6 +103,7 @@ struct rpc_auth_create_args { /* Flags for rpcauth_lookupcred() */ #define RPCAUTH_LOOKUP_NEW 0x01 /* Accept an uninitialised cred */ +#define RPCAUTH_LOOKUP_RCU 0x02 /* lock-less lookup */ /* * Client authentication ops @@ -140,6 +141,7 @@ struct rpc_credops { void *, __be32 *, void *); int (*crkey_timeout)(struct rpc_cred *); bool (*crkey_to_expire)(struct rpc_cred *); + char * (*crstringify_acceptor)(struct rpc_cred *); }; extern const struct rpc_authops authunix_ops; @@ -153,6 +155,7 @@ void rpc_destroy_generic_auth(void); void rpc_destroy_authunix(void); struct rpc_cred * rpc_lookup_cred(void); +struct rpc_cred * rpc_lookup_cred_nonblock(void); struct rpc_cred * rpc_lookup_machine_cred(const char *service_name); int rpcauth_register(const struct rpc_authops *); int rpcauth_unregister(const struct rpc_authops *); @@ -182,6 +185,7 @@ void rpcauth_clear_credcache(struct rpc_cred_cache *); int rpcauth_key_timeout_notify(struct rpc_auth *, struct rpc_cred *); bool rpcauth_cred_key_to_expire(struct rpc_cred *); +char * rpcauth_stringify_acceptor(struct rpc_cred *); static inline struct rpc_cred * get_rpccred(struct rpc_cred *cred) diff --git a/include/linux/sunrpc/auth_gss.h b/include/linux/sunrpc/auth_gss.h index f1cfd4c85cd0..36eebc451b41 100644 --- a/include/linux/sunrpc/auth_gss.h +++ b/include/linux/sunrpc/auth_gss.h @@ -69,8 +69,9 @@ struct gss_cl_ctx { enum rpc_gss_proc gc_proc; u32 gc_seq; spinlock_t gc_seq_lock; - struct gss_ctx __rcu *gc_gss_ctx; + struct gss_ctx *gc_gss_ctx; struct xdr_netobj gc_wire_ctx; + struct xdr_netobj gc_acceptor; u32 gc_win; unsigned long gc_expiry; struct rcu_head gc_rcu; diff --git a/include/linux/sunrpc/gss_krb5.h b/include/linux/sunrpc/gss_krb5.h index 5af2931cf58d..df02a4188487 100644 --- a/include/linux/sunrpc/gss_krb5.h +++ b/include/linux/sunrpc/gss_krb5.h @@ -81,7 +81,7 @@ struct gss_krb5_enctype { struct xdr_netobj *in, struct xdr_netobj *out); /* complete key generation */ u32 (*encrypt_v2) (struct krb5_ctx *kctx, u32 offset, - struct xdr_buf *buf, int ec, + struct xdr_buf *buf, struct page **pages); /* v2 encryption function */ u32 (*decrypt_v2) (struct krb5_ctx *kctx, u32 offset, struct xdr_buf *buf, u32 *headskip, @@ -310,7 +310,7 @@ gss_krb5_aes_make_key(const struct gss_krb5_enctype *gk5e, u32 gss_krb5_aes_encrypt(struct krb5_ctx *kctx, u32 offset, - struct xdr_buf *buf, int ec, + struct xdr_buf *buf, struct page **pages); u32 diff --git a/include/linux/sunrpc/xprtrdma.h b/include/linux/sunrpc/xprtrdma.h index c2f04e1ae159..64a0a0a97b23 100644 --- a/include/linux/sunrpc/xprtrdma.h +++ b/include/linux/sunrpc/xprtrdma.h @@ -62,8 +62,6 @@ #define RPCRDMA_INLINE_PAD_THRESH (512)/* payload threshold to pad (bytes) */ /* memory registration strategies */ -#define RPCRDMA_PERSISTENT_REGISTRATION (1) - enum rpcrdma_memreg { RPCRDMA_BOUNCEBUFFERS = 0, RPCRDMA_REGISTER, diff --git a/include/linux/thermal.h b/include/linux/thermal.h index f7e11c7ea7d9..0305cde21a74 100644 --- a/include/linux/thermal.h +++ b/include/linux/thermal.h @@ -158,6 +158,42 @@ struct thermal_attr { char name[THERMAL_NAME_LENGTH]; }; +/** + * struct thermal_zone_device - structure for a thermal zone + * @id: unique id number for each thermal zone + * @type: the thermal zone device type + * @device: &struct device for this thermal zone + * @trip_temp_attrs: attributes for trip points for sysfs: trip temperature + * @trip_type_attrs: attributes for trip points for sysfs: trip type + * @trip_hyst_attrs: attributes for trip points for sysfs: trip hysteresis + * @devdata: private pointer for device private data + * @trips: number of trip points the thermal zone supports + * @passive_delay: number of milliseconds to wait between polls when + * performing passive cooling. Currenty only used by the + * step-wise governor + * @polling_delay: number of milliseconds to wait between polls when + * checking whether trip points have been crossed (0 for + * interrupt driven systems) + * @temperature: current temperature. This is only for core code, + * drivers should use thermal_zone_get_temp() to get the + * current temperature + * @last_temperature: previous temperature read + * @emul_temperature: emulated temperature when using CONFIG_THERMAL_EMULATION + * @passive: 1 if you've crossed a passive trip point, 0 otherwise. + * Currenty only used by the step-wise governor. + * @forced_passive: If > 0, temperature at which to switch on all ACPI + * processor cooling devices. Currently only used by the + * step-wise governor. + * @ops: operations this &thermal_zone_device supports + * @tzp: thermal zone parameters + * @governor: pointer to the governor for this thermal zone + * @thermal_instances: list of &struct thermal_instance of this thermal zone + * @idr: &struct idr to generate unique id for this zone's cooling + * devices + * @lock: lock to protect thermal_instances list + * @node: node in thermal_tz_list (in thermal_core.c) + * @poll_queue: delayed work for polling + */ struct thermal_zone_device { int id; char type[THERMAL_NAME_LENGTH]; @@ -179,12 +215,18 @@ struct thermal_zone_device { struct thermal_governor *governor; struct list_head thermal_instances; struct idr idr; - struct mutex lock; /* protect thermal_instances list */ + struct mutex lock; struct list_head node; struct delayed_work poll_queue; }; -/* Structure that holds thermal governor information */ +/** + * struct thermal_governor - structure that holds thermal governor information + * @name: name of the governor + * @throttle: callback called for every trip point even if temperature is + * below the trip point temperature + * @governor_list: node in thermal_governor_list (in thermal_core.c) + */ struct thermal_governor { char name[THERMAL_NAME_LENGTH]; int (*throttle)(struct thermal_zone_device *tz, int trip); diff --git a/include/linux/uio.h b/include/linux/uio.h index 09a7cffc224e..48d64e6ab292 100644 --- a/include/linux/uio.h +++ b/include/linux/uio.h @@ -84,7 +84,7 @@ unsigned long iov_iter_alignment(const struct iov_iter *i); void iov_iter_init(struct iov_iter *i, int direction, const struct iovec *iov, unsigned long nr_segs, size_t count); ssize_t iov_iter_get_pages(struct iov_iter *i, struct page **pages, - size_t maxsize, size_t *start); + unsigned maxpages, size_t *start); ssize_t iov_iter_get_pages_alloc(struct iov_iter *i, struct page ***pages, size_t maxsize, size_t *start); int iov_iter_npages(const struct iov_iter *i, int maxpages); diff --git a/include/linux/vfio.h b/include/linux/vfio.h index 25a0fbd4b998..d3204115f15d 100644 --- a/include/linux/vfio.h +++ b/include/linux/vfio.h @@ -98,16 +98,16 @@ extern int vfio_external_user_iommu_id(struct vfio_group *group); extern long vfio_external_check_extension(struct vfio_group *group, unsigned long arg); +struct pci_dev; #ifdef CONFIG_EEH -extern int vfio_spapr_pci_eeh_open(struct pci_dev *pdev); +extern void vfio_spapr_pci_eeh_open(struct pci_dev *pdev); extern void vfio_spapr_pci_eeh_release(struct pci_dev *pdev); extern long vfio_spapr_iommu_eeh_ioctl(struct iommu_group *group, unsigned int cmd, unsigned long arg); #else -static inline int vfio_spapr_pci_eeh_open(struct pci_dev *pdev) +static inline void vfio_spapr_pci_eeh_open(struct pci_dev *pdev) { - return 0; } static inline void vfio_spapr_pci_eeh_release(struct pci_dev *pdev) diff --git a/include/net/inet_connection_sock.h b/include/net/inet_connection_sock.h index 7a4313887568..5fbe6568c3cf 100644 --- a/include/net/inet_connection_sock.h +++ b/include/net/inet_connection_sock.h @@ -62,6 +62,7 @@ struct inet_connection_sock_af_ops { void (*addr2sockaddr)(struct sock *sk, struct sockaddr *); int (*bind_conflict)(const struct sock *sk, const struct inet_bind_bucket *tb, bool relax); + void (*mtu_reduced)(struct sock *sk); }; /** inet_connection_sock - INET connection oriented sock diff --git a/include/net/sock.h b/include/net/sock.h index 38805fa02e48..7f2ab72f321a 100644 --- a/include/net/sock.h +++ b/include/net/sock.h @@ -987,7 +987,6 @@ struct proto { struct sk_buff *skb); void (*release_cb)(struct sock *sk); - void (*mtu_reduced)(struct sock *sk); /* Keeping track of sk's, looking them up, and port selection methods. */ void (*hash)(struct sock *sk); diff --git a/include/net/tcp.h b/include/net/tcp.h index dafa1cbc149b..590e01a476ac 100644 --- a/include/net/tcp.h +++ b/include/net/tcp.h @@ -417,7 +417,7 @@ void tcp_update_metrics(struct sock *sk); void tcp_init_metrics(struct sock *sk); void tcp_metrics_init(void); bool tcp_peer_is_proven(struct request_sock *req, struct dst_entry *dst, - bool paws_check); + bool paws_check, bool timestamps); bool tcp_remember_stamp(struct sock *sk); bool tcp_tw_remember_stamp(struct inet_timewait_sock *tw); void tcp_fetch_timewait_stamp(struct sock *sk, struct dst_entry *dst); @@ -448,6 +448,7 @@ const u8 *tcp_parse_md5sig_option(const struct tcphdr *th); */ void tcp_v4_send_check(struct sock *sk, struct sk_buff *skb); +void tcp_v4_mtu_reduced(struct sock *sk); int tcp_v4_conn_request(struct sock *sk, struct sk_buff *skb); struct sock *tcp_create_openreq_child(struct sock *sk, struct request_sock *req, @@ -705,8 +706,10 @@ struct tcp_skb_cb { #define TCPCB_SACKED_RETRANS 0x02 /* SKB retransmitted */ #define TCPCB_LOST 0x04 /* SKB is lost */ #define TCPCB_TAGBITS 0x07 /* All tag bits */ +#define TCPCB_REPAIRED 0x10 /* SKB repaired (no skb_mstamp) */ #define TCPCB_EVER_RETRANS 0x80 /* Ever retransmitted frame */ -#define TCPCB_RETRANS (TCPCB_SACKED_RETRANS|TCPCB_EVER_RETRANS) +#define TCPCB_RETRANS (TCPCB_SACKED_RETRANS|TCPCB_EVER_RETRANS| \ + TCPCB_REPAIRED) __u8 ip_dsfield; /* IPv4 tos or IPv6 dsfield */ /* 1 byte hole */ diff --git a/include/rdma/ib_mad.h b/include/rdma/ib_mad.h index 3d81b90cc315..9bb99e983f58 100644 --- a/include/rdma/ib_mad.h +++ b/include/rdma/ib_mad.h @@ -40,6 +40,7 @@ #include <linux/list.h> #include <rdma/ib_verbs.h> +#include <uapi/rdma/ib_user_mad.h> /* Management base version */ #define IB_MGMT_BASE_VERSION 1 @@ -355,9 +356,13 @@ typedef void (*ib_mad_recv_handler)(struct ib_mad_agent *mad_agent, * @hi_tid: Access layer assigned transaction ID for this client. * Unsolicited MADs sent by this client will have the upper 32-bits * of their TID set to this value. + * @flags: registration flags * @port_num: Port number on which QP is registered * @rmpp_version: If set, indicates the RMPP version used by this agent. */ +enum { + IB_MAD_USER_RMPP = IB_USER_MAD_USER_RMPP, +}; struct ib_mad_agent { struct ib_device *device; struct ib_qp *qp; @@ -367,6 +372,7 @@ struct ib_mad_agent { ib_mad_snoop_handler snoop_handler; void *context; u32 hi_tid; + u32 flags; u8 port_num; u8 rmpp_version; }; @@ -426,6 +432,7 @@ struct ib_mad_recv_wc { * in the range from 0x30 to 0x4f. Otherwise not used. * @method_mask: The caller will receive unsolicited MADs for any method * where @method_mask = 1. + * */ struct ib_mad_reg_req { u8 mgmt_class; @@ -451,6 +458,7 @@ struct ib_mad_reg_req { * @recv_handler: The completion callback routine invoked for a received * MAD. * @context: User specified context associated with the registration. + * @registration_flags: Registration flags to set for this agent */ struct ib_mad_agent *ib_register_mad_agent(struct ib_device *device, u8 port_num, @@ -459,7 +467,8 @@ struct ib_mad_agent *ib_register_mad_agent(struct ib_device *device, u8 rmpp_version, ib_mad_send_handler send_handler, ib_mad_recv_handler recv_handler, - void *context); + void *context, + u32 registration_flags); enum ib_mad_snoop_flags { /*IB_MAD_SNOOP_POSTED_SENDS = 1,*/ @@ -661,4 +670,11 @@ void *ib_get_rmpp_segment(struct ib_mad_send_buf *send_buf, int seg_num); */ void ib_free_send_mad(struct ib_mad_send_buf *send_buf); +/** + * ib_mad_kernel_rmpp_agent - Returns if the agent is performing RMPP. + * @agent: the agent in question + * @return: true if agent is performing rmpp, false otherwise. + */ +int ib_mad_kernel_rmpp_agent(struct ib_mad_agent *agent); + #endif /* IB_MAD_H */ diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h index 7ccef342f724..ed44cc07a7b3 100644 --- a/include/rdma/ib_verbs.h +++ b/include/rdma/ib_verbs.h @@ -1097,7 +1097,8 @@ struct ib_mr_attr { enum ib_mr_rereg_flags { IB_MR_REREG_TRANS = 1, IB_MR_REREG_PD = (1<<1), - IB_MR_REREG_ACCESS = (1<<2) + IB_MR_REREG_ACCESS = (1<<2), + IB_MR_REREG_SUPPORTED = ((IB_MR_REREG_ACCESS << 1) - 1) }; /** @@ -1547,6 +1548,13 @@ struct ib_device { u64 virt_addr, int mr_access_flags, struct ib_udata *udata); + int (*rereg_user_mr)(struct ib_mr *mr, + int flags, + u64 start, u64 length, + u64 virt_addr, + int mr_access_flags, + struct ib_pd *pd, + struct ib_udata *udata); int (*query_mr)(struct ib_mr *mr, struct ib_mr_attr *mr_attr); int (*dereg_mr)(struct ib_mr *mr); diff --git a/include/scsi/iscsi_if.h b/include/scsi/iscsi_if.h index fd0421c6d40a..95ed9424a11a 100644 --- a/include/scsi/iscsi_if.h +++ b/include/scsi/iscsi_if.h @@ -527,6 +527,7 @@ enum iscsi_err { ISCSI_ERR_XMIT_FAILED = ISCSI_ERR_BASE + 19, ISCSI_ERR_TCP_CONN_CLOSE = ISCSI_ERR_BASE + 20, ISCSI_ERR_SCSI_EH_SESSION_RST = ISCSI_ERR_BASE + 21, + ISCSI_ERR_NOP_TIMEDOUT = ISCSI_ERR_BASE + 22, }; /* diff --git a/include/scsi/sg.h b/include/scsi/sg.h index 9859355a7cf9..750e5db7c6bf 100644 --- a/include/scsi/sg.h +++ b/include/scsi/sg.h @@ -86,7 +86,9 @@ typedef struct sg_io_hdr #define SG_FLAG_MMAP_IO 4 /* request memory mapped IO */ #define SG_FLAG_NO_DXFER 0x10000 /* no transfer of kernel buffers to/from */ /* user space (debug indirect IO) */ -#define SG_FLAG_Q_AT_TAIL 0x10 /* default is Q_AT_HEAD */ +/* defaults:: for sg driver: Q_AT_HEAD; for block layer: Q_AT_TAIL */ +#define SG_FLAG_Q_AT_TAIL 0x10 +#define SG_FLAG_Q_AT_HEAD 0x20 /* following 'info' values are "or"-ed together */ #define SG_INFO_OK_MASK 0x1 diff --git a/include/trace/events/bcache.h b/include/trace/events/bcache.h index c9c3c044b32f..981acf74b14f 100644 --- a/include/trace/events/bcache.h +++ b/include/trace/events/bcache.h @@ -148,11 +148,13 @@ TRACE_EVENT(bcache_read, ); TRACE_EVENT(bcache_write, - TP_PROTO(struct bio *bio, bool writeback, bool bypass), - TP_ARGS(bio, writeback, bypass), + TP_PROTO(struct cache_set *c, u64 inode, struct bio *bio, + bool writeback, bool bypass), + TP_ARGS(c, inode, bio, writeback, bypass), TP_STRUCT__entry( - __field(dev_t, dev ) + __array(char, uuid, 16 ) + __field(u64, inode ) __field(sector_t, sector ) __field(unsigned int, nr_sector ) __array(char, rwbs, 6 ) @@ -161,7 +163,8 @@ TRACE_EVENT(bcache_write, ), TP_fast_assign( - __entry->dev = bio->bi_bdev->bd_dev; + memcpy(__entry->uuid, c->sb.set_uuid, 16); + __entry->inode = inode; __entry->sector = bio->bi_iter.bi_sector; __entry->nr_sector = bio->bi_iter.bi_size >> 9; blk_fill_rwbs(__entry->rwbs, bio->bi_rw, bio->bi_iter.bi_size); @@ -169,8 +172,8 @@ TRACE_EVENT(bcache_write, __entry->bypass = bypass; ), - TP_printk("%d,%d %s %llu + %u hit %u bypass %u", - MAJOR(__entry->dev), MINOR(__entry->dev), + TP_printk("%pU inode %llu %s %llu + %u hit %u bypass %u", + __entry->uuid, __entry->inode, __entry->rwbs, (unsigned long long)__entry->sector, __entry->nr_sector, __entry->writeback, __entry->bypass) ); @@ -258,9 +261,9 @@ DEFINE_EVENT(btree_node, bcache_btree_node_alloc, TP_ARGS(b) ); -DEFINE_EVENT(btree_node, bcache_btree_node_alloc_fail, - TP_PROTO(struct btree *b), - TP_ARGS(b) +DEFINE_EVENT(cache_set, bcache_btree_node_alloc_fail, + TP_PROTO(struct cache_set *c), + TP_ARGS(c) ); DEFINE_EVENT(btree_node, bcache_btree_node_free, diff --git a/include/trace/events/thp.h b/include/trace/events/thp.h new file mode 100644 index 000000000000..b59b065e9e5d --- /dev/null +++ b/include/trace/events/thp.h @@ -0,0 +1,88 @@ +#undef TRACE_SYSTEM +#define TRACE_SYSTEM thp + +#if !defined(_TRACE_THP_H) || defined(TRACE_HEADER_MULTI_READ) +#define _TRACE_THP_H + +#include <linux/types.h> +#include <linux/tracepoint.h> + +TRACE_EVENT(hugepage_invalidate, + + TP_PROTO(unsigned long addr, unsigned long pte), + TP_ARGS(addr, pte), + TP_STRUCT__entry( + __field(unsigned long, addr) + __field(unsigned long, pte) + ), + + TP_fast_assign( + __entry->addr = addr; + __entry->pte = pte; + ), + + TP_printk("hugepage invalidate at addr 0x%lx and pte = 0x%lx", + __entry->addr, __entry->pte) +); + +TRACE_EVENT(hugepage_set_pmd, + + TP_PROTO(unsigned long addr, unsigned long pmd), + TP_ARGS(addr, pmd), + TP_STRUCT__entry( + __field(unsigned long, addr) + __field(unsigned long, pmd) + ), + + TP_fast_assign( + __entry->addr = addr; + __entry->pmd = pmd; + ), + + TP_printk("Set pmd with 0x%lx with 0x%lx", __entry->addr, __entry->pmd) +); + + +TRACE_EVENT(hugepage_update, + + TP_PROTO(unsigned long addr, unsigned long pte, unsigned long clr, unsigned long set), + TP_ARGS(addr, pte, clr, set), + TP_STRUCT__entry( + __field(unsigned long, addr) + __field(unsigned long, pte) + __field(unsigned long, clr) + __field(unsigned long, set) + ), + + TP_fast_assign( + __entry->addr = addr; + __entry->pte = pte; + __entry->clr = clr; + __entry->set = set; + + ), + + TP_printk("hugepage update at addr 0x%lx and pte = 0x%lx clr = 0x%lx, set = 0x%lx", __entry->addr, __entry->pte, __entry->clr, __entry->set) +); +TRACE_EVENT(hugepage_splitting, + + TP_PROTO(unsigned long addr, unsigned long pte), + TP_ARGS(addr, pte), + TP_STRUCT__entry( + __field(unsigned long, addr) + __field(unsigned long, pte) + ), + + TP_fast_assign( + __entry->addr = addr; + __entry->pte = pte; + ), + + TP_printk("hugepage splitting at addr 0x%lx and pte = 0x%lx", + __entry->addr, __entry->pte) +); + +#endif /* _TRACE_THP_H */ + +/* This part must be outside protection */ +#include <trace/define_trace.h> diff --git a/include/uapi/linux/bsg.h b/include/uapi/linux/bsg.h index 7a12e1c0f371..02986cf8b6f1 100644 --- a/include/uapi/linux/bsg.h +++ b/include/uapi/linux/bsg.h @@ -10,12 +10,13 @@ #define BSG_SUB_PROTOCOL_SCSI_TRANSPORT 2 /* - * For flags member below - * sg.h sg_io_hdr also has bits defined for it's flags member. However - * none of these bits are implemented/used by bsg. The bits below are - * allocated to not conflict with sg.h ones anyway. + * For flag constants below: + * sg.h sg_io_hdr also has bits defined for it's flags member. These + * two flag values (0x10 and 0x20) have the same meaning in sg.h . For + * bsg the BSG_FLAG_Q_AT_HEAD flag is ignored since it is the deafult. */ -#define BSG_FLAG_Q_AT_TAIL 0x10 /* default, == 0 at this bit, is Q_AT_HEAD */ +#define BSG_FLAG_Q_AT_TAIL 0x10 /* default is Q_AT_HEAD */ +#define BSG_FLAG_Q_AT_HEAD 0x20 struct sg_io_v4 { __s32 guard; /* [i] 'Q' to differentiate from v3 */ diff --git a/include/uapi/linux/virtio_blk.h b/include/uapi/linux/virtio_blk.h index 6d8e61c48563..9ad67b267584 100644 --- a/include/uapi/linux/virtio_blk.h +++ b/include/uapi/linux/virtio_blk.h @@ -40,6 +40,7 @@ #define VIRTIO_BLK_F_WCE 9 /* Writeback mode enabled after reset */ #define VIRTIO_BLK_F_TOPOLOGY 10 /* Topology information is available */ #define VIRTIO_BLK_F_CONFIG_WCE 11 /* Writeback mode available in config */ +#define VIRTIO_BLK_F_MQ 12 /* support more than one vq */ #ifndef __KERNEL__ /* Old (deprecated) name for VIRTIO_BLK_F_WCE. */ @@ -77,6 +78,10 @@ struct virtio_blk_config { /* writeback mode (if VIRTIO_BLK_F_CONFIG_WCE) */ __u8 wce; + __u8 unused; + + /* number of vqs, only available when VIRTIO_BLK_F_MQ is set */ + __u16 num_queues; } __attribute__((packed)); /* diff --git a/include/uapi/rdma/ib_user_mad.h b/include/uapi/rdma/ib_user_mad.h index d6fce1cbdb90..09f809f323ea 100644 --- a/include/uapi/rdma/ib_user_mad.h +++ b/include/uapi/rdma/ib_user_mad.h @@ -191,6 +191,45 @@ struct ib_user_mad_reg_req { __u8 rmpp_version; }; +/** + * ib_user_mad_reg_req2 - MAD registration request + * + * @id - Set by the _kernel_; used by userspace to identify the + * registered agent in future requests. + * @qpn - Queue pair number; must be 0 or 1. + * @mgmt_class - Indicates which management class of MADs should be + * receive by the caller. This field is only required if + * the user wishes to receive unsolicited MADs, otherwise + * it should be 0. + * @mgmt_class_version - Indicates which version of MADs for the given + * management class to receive. + * @res - Ignored. + * @flags - additional registration flags; Must be in the set of + * flags defined in IB_USER_MAD_REG_FLAGS_CAP + * @method_mask - The caller wishes to receive unsolicited MADs for the + * methods whose bit(s) is(are) set. + * @oui - Indicates IEEE OUI to use when mgmt_class is a vendor + * class in the range from 0x30 to 0x4f. Otherwise not + * used. + * @rmpp_version - If set, indicates the RMPP version to use. + */ +enum { + IB_USER_MAD_USER_RMPP = (1 << 0), +}; +#define IB_USER_MAD_REG_FLAGS_CAP (IB_USER_MAD_USER_RMPP) +struct ib_user_mad_reg_req2 { + __u32 id; + __u32 qpn; + __u8 mgmt_class; + __u8 mgmt_class_version; + __u16 res; + __u32 flags; + __u64 method_mask[2]; + __u32 oui; + __u8 rmpp_version; + __u8 reserved[3]; +}; + #define IB_IOCTL_MAGIC 0x1b #define IB_USER_MAD_REGISTER_AGENT _IOWR(IB_IOCTL_MAGIC, 1, \ @@ -200,4 +239,7 @@ struct ib_user_mad_reg_req { #define IB_USER_MAD_ENABLE_PKEY _IO(IB_IOCTL_MAGIC, 3) +#define IB_USER_MAD_REGISTER_AGENT2 _IOWR(IB_IOCTL_MAGIC, 4, \ + struct ib_user_mad_reg_req2) + #endif /* IB_USER_MAD_H */ diff --git a/include/uapi/rdma/ib_user_verbs.h b/include/uapi/rdma/ib_user_verbs.h index cbfdd4ca9510..26daf55ff76e 100644 --- a/include/uapi/rdma/ib_user_verbs.h +++ b/include/uapi/rdma/ib_user_verbs.h @@ -276,6 +276,22 @@ struct ib_uverbs_reg_mr_resp { __u32 rkey; }; +struct ib_uverbs_rereg_mr { + __u64 response; + __u32 mr_handle; + __u32 flags; + __u64 start; + __u64 length; + __u64 hca_va; + __u32 pd_handle; + __u32 access_flags; +}; + +struct ib_uverbs_rereg_mr_resp { + __u32 lkey; + __u32 rkey; +}; + struct ib_uverbs_dereg_mr { __u32 mr_handle; }; diff --git a/include/uapi/rdma/rdma_user_cm.h b/include/uapi/rdma/rdma_user_cm.h index 99b80abf360a..3066718eb120 100644 --- a/include/uapi/rdma/rdma_user_cm.h +++ b/include/uapi/rdma/rdma_user_cm.h @@ -34,6 +34,7 @@ #define RDMA_USER_CM_H #include <linux/types.h> +#include <linux/socket.h> #include <linux/in6.h> #include <rdma/ib_user_verbs.h> #include <rdma/ib_user_sa.h> diff --git a/init/Kconfig b/init/Kconfig index 44f9ed3dae22..e84c6423a2e5 100644 --- a/init/Kconfig +++ b/init/Kconfig @@ -268,7 +268,7 @@ config CROSS_MEMORY_ATTACH help Enabling this option adds the system calls process_vm_readv and process_vm_writev which allow a process with the correct privileges - to directly read from or write to to another process's address space. + to directly read from or write to another process' address space. See the man page for more details. config FHANDLE diff --git a/kernel/acct.c b/kernel/acct.c index 51793520566f..b4c667d22e79 100644 --- a/kernel/acct.c +++ b/kernel/acct.c @@ -59,6 +59,7 @@ #include <asm/div64.h> #include <linux/blkdev.h> /* sector_div */ #include <linux/pid_namespace.h> +#include <linux/fs_pin.h> /* * These constants control the amount of freespace that suspend and @@ -75,172 +76,190 @@ int acct_parm[3] = {4, 2, 30}; /* * External references and all of the globals. */ -static void do_acct_process(struct bsd_acct_struct *acct, - struct pid_namespace *ns, struct file *); +static void do_acct_process(struct bsd_acct_struct *acct); -/* - * This structure is used so that all the data protected by lock - * can be placed in the same cache line as the lock. This primes - * the cache line to have the data after getting the lock. - */ struct bsd_acct_struct { + struct fs_pin pin; + struct mutex lock; int active; unsigned long needcheck; struct file *file; struct pid_namespace *ns; - struct list_head list; + struct work_struct work; + struct completion done; }; -static DEFINE_SPINLOCK(acct_lock); -static LIST_HEAD(acct_list); - /* * Check the amount of free space and suspend/resume accordingly. */ -static int check_free_space(struct bsd_acct_struct *acct, struct file *file) +static int check_free_space(struct bsd_acct_struct *acct) { struct kstatfs sbuf; - int res; - int act; - u64 resume; - u64 suspend; - - spin_lock(&acct_lock); - res = acct->active; - if (!file || time_is_before_jiffies(acct->needcheck)) + + if (time_is_before_jiffies(acct->needcheck)) goto out; - spin_unlock(&acct_lock); /* May block */ - if (vfs_statfs(&file->f_path, &sbuf)) - return res; - suspend = sbuf.f_blocks * SUSPEND; - resume = sbuf.f_blocks * RESUME; - - do_div(suspend, 100); - do_div(resume, 100); - - if (sbuf.f_bavail <= suspend) - act = -1; - else if (sbuf.f_bavail >= resume) - act = 1; - else - act = 0; - - /* - * If some joker switched acct->file under us we'ld better be - * silent and _not_ touch anything. - */ - spin_lock(&acct_lock); - if (file != acct->file) { - if (act) - res = act > 0; + if (vfs_statfs(&acct->file->f_path, &sbuf)) goto out; - } if (acct->active) { - if (act < 0) { + u64 suspend = sbuf.f_blocks * SUSPEND; + do_div(suspend, 100); + if (sbuf.f_bavail <= suspend) { acct->active = 0; pr_info("Process accounting paused\n"); } } else { - if (act > 0) { + u64 resume = sbuf.f_blocks * RESUME; + do_div(resume, 100); + if (sbuf.f_bavail >= resume) { acct->active = 1; pr_info("Process accounting resumed\n"); } } acct->needcheck = jiffies + ACCT_TIMEOUT*HZ; - res = acct->active; out: - spin_unlock(&acct_lock); + return acct->active; +} + +static struct bsd_acct_struct *acct_get(struct pid_namespace *ns) +{ + struct bsd_acct_struct *res; +again: + smp_rmb(); + rcu_read_lock(); + res = ACCESS_ONCE(ns->bacct); + if (!res) { + rcu_read_unlock(); + return NULL; + } + if (!atomic_long_inc_not_zero(&res->pin.count)) { + rcu_read_unlock(); + cpu_relax(); + goto again; + } + rcu_read_unlock(); + mutex_lock(&res->lock); + if (!res->ns) { + mutex_unlock(&res->lock); + pin_put(&res->pin); + goto again; + } return res; } -/* - * Close the old accounting file (if currently open) and then replace - * it with file (if non-NULL). - * - * NOTE: acct_lock MUST be held on entry and exit. - */ -static void acct_file_reopen(struct bsd_acct_struct *acct, struct file *file, - struct pid_namespace *ns) +static void close_work(struct work_struct *work) { - struct file *old_acct = NULL; - struct pid_namespace *old_ns = NULL; - - if (acct->file) { - old_acct = acct->file; - old_ns = acct->ns; - acct->active = 0; - acct->file = NULL; + struct bsd_acct_struct *acct = container_of(work, struct bsd_acct_struct, work); + struct file *file = acct->file; + if (file->f_op->flush) + file->f_op->flush(file, NULL); + __fput_sync(file); + complete(&acct->done); +} + +static void acct_kill(struct bsd_acct_struct *acct, + struct bsd_acct_struct *new) +{ + if (acct) { + struct pid_namespace *ns = acct->ns; + do_acct_process(acct); + INIT_WORK(&acct->work, close_work); + init_completion(&acct->done); + schedule_work(&acct->work); + wait_for_completion(&acct->done); + pin_remove(&acct->pin); + ns->bacct = new; acct->ns = NULL; - list_del(&acct->list); - } - if (file) { - acct->file = file; - acct->ns = ns; - acct->needcheck = jiffies + ACCT_TIMEOUT*HZ; - acct->active = 1; - list_add(&acct->list, &acct_list); + atomic_long_dec(&acct->pin.count); + mutex_unlock(&acct->lock); + pin_put(&acct->pin); } - if (old_acct) { - mnt_unpin(old_acct->f_path.mnt); - spin_unlock(&acct_lock); - do_acct_process(acct, old_ns, old_acct); - filp_close(old_acct, NULL); - spin_lock(&acct_lock); +} + +static void acct_pin_kill(struct fs_pin *pin) +{ + struct bsd_acct_struct *acct; + acct = container_of(pin, struct bsd_acct_struct, pin); + mutex_lock(&acct->lock); + if (!acct->ns) { + mutex_unlock(&acct->lock); + pin_put(pin); + acct = NULL; } + acct_kill(acct, NULL); } static int acct_on(struct filename *pathname) { struct file *file; - struct vfsmount *mnt; - struct pid_namespace *ns; - struct bsd_acct_struct *acct = NULL; + struct vfsmount *mnt, *internal; + struct pid_namespace *ns = task_active_pid_ns(current); + struct bsd_acct_struct *acct, *old; + int err; + + acct = kzalloc(sizeof(struct bsd_acct_struct), GFP_KERNEL); + if (!acct) + return -ENOMEM; /* Difference from BSD - they don't do O_APPEND */ file = file_open_name(pathname, O_WRONLY|O_APPEND|O_LARGEFILE, 0); - if (IS_ERR(file)) + if (IS_ERR(file)) { + kfree(acct); return PTR_ERR(file); + } if (!S_ISREG(file_inode(file)->i_mode)) { + kfree(acct); filp_close(file, NULL); return -EACCES; } if (!file->f_op->write) { + kfree(acct); filp_close(file, NULL); return -EIO; } - - ns = task_active_pid_ns(current); - if (ns->bacct == NULL) { - acct = kzalloc(sizeof(struct bsd_acct_struct), GFP_KERNEL); - if (acct == NULL) { - filp_close(file, NULL); - return -ENOMEM; - } + internal = mnt_clone_internal(&file->f_path); + if (IS_ERR(internal)) { + kfree(acct); + filp_close(file, NULL); + return PTR_ERR(internal); } - - spin_lock(&acct_lock); - if (ns->bacct == NULL) { - ns->bacct = acct; - acct = NULL; + err = mnt_want_write(internal); + if (err) { + mntput(internal); + kfree(acct); + filp_close(file, NULL); + return err; } - mnt = file->f_path.mnt; - mnt_pin(mnt); - acct_file_reopen(ns->bacct, file, ns); - spin_unlock(&acct_lock); - - mntput(mnt); /* it's pinned, now give up active reference */ - kfree(acct); - + file->f_path.mnt = internal; + + atomic_long_set(&acct->pin.count, 1); + acct->pin.kill = acct_pin_kill; + acct->file = file; + acct->needcheck = jiffies; + acct->ns = ns; + mutex_init(&acct->lock); + mutex_lock_nested(&acct->lock, 1); /* nobody has seen it yet */ + pin_insert(&acct->pin, mnt); + + old = acct_get(ns); + if (old) + acct_kill(old, acct); + else + ns->bacct = acct; + mutex_unlock(&acct->lock); + mnt_drop_write(mnt); + mntput(mnt); return 0; } +static DEFINE_MUTEX(acct_on_mutex); + /** * sys_acct - enable/disable process accounting * @name: file name for accounting records or NULL to shutdown accounting @@ -264,78 +283,20 @@ SYSCALL_DEFINE1(acct, const char __user *, name) if (IS_ERR(tmp)) return PTR_ERR(tmp); + mutex_lock(&acct_on_mutex); error = acct_on(tmp); + mutex_unlock(&acct_on_mutex); putname(tmp); } else { - struct bsd_acct_struct *acct; - - acct = task_active_pid_ns(current)->bacct; - if (acct == NULL) - return 0; - - spin_lock(&acct_lock); - acct_file_reopen(acct, NULL, NULL); - spin_unlock(&acct_lock); + acct_kill(acct_get(task_active_pid_ns(current)), NULL); } return error; } -/** - * acct_auto_close - turn off a filesystem's accounting if it is on - * @m: vfsmount being shut down - * - * If the accounting is turned on for a file in the subtree pointed to - * to by m, turn accounting off. Done when m is about to die. - */ -void acct_auto_close_mnt(struct vfsmount *m) -{ - struct bsd_acct_struct *acct; - - spin_lock(&acct_lock); -restart: - list_for_each_entry(acct, &acct_list, list) - if (acct->file && acct->file->f_path.mnt == m) { - acct_file_reopen(acct, NULL, NULL); - goto restart; - } - spin_unlock(&acct_lock); -} - -/** - * acct_auto_close - turn off a filesystem's accounting if it is on - * @sb: super block for the filesystem - * - * If the accounting is turned on for a file in the filesystem pointed - * to by sb, turn accounting off. - */ -void acct_auto_close(struct super_block *sb) -{ - struct bsd_acct_struct *acct; - - spin_lock(&acct_lock); -restart: - list_for_each_entry(acct, &acct_list, list) - if (acct->file && acct->file->f_path.dentry->d_sb == sb) { - acct_file_reopen(acct, NULL, NULL); - goto restart; - } - spin_unlock(&acct_lock); -} - void acct_exit_ns(struct pid_namespace *ns) { - struct bsd_acct_struct *acct = ns->bacct; - - if (acct == NULL) - return; - - spin_lock(&acct_lock); - if (acct->file != NULL) - acct_file_reopen(acct, NULL, NULL); - spin_unlock(&acct_lock); - - kfree(acct); + acct_kill(acct_get(ns), NULL); } /* @@ -450,38 +411,20 @@ static u32 encode_float(u64 value) * do_exit() or when switching to a different output file. */ -/* - * do_acct_process does all actual work. Caller holds the reference to file. - */ -static void do_acct_process(struct bsd_acct_struct *acct, - struct pid_namespace *ns, struct file *file) +static void fill_ac(acct_t *ac) { struct pacct_struct *pacct = ¤t->signal->pacct; - acct_t ac; - mm_segment_t fs; - unsigned long flim; u64 elapsed, run_time; struct tty_struct *tty; - const struct cred *orig_cred; - - /* Perform file operations on behalf of whoever enabled accounting */ - orig_cred = override_creds(file->f_cred); - - /* - * First check to see if there is enough free_space to continue - * the process accounting system. - */ - if (!check_free_space(acct, file)) - goto out; /* * Fill the accounting struct with the needed info as recorded * by the different kernel functions. */ - memset(&ac, 0, sizeof(acct_t)); + memset(ac, 0, sizeof(acct_t)); - ac.ac_version = ACCT_VERSION | ACCT_BYTEORDER; - strlcpy(ac.ac_comm, current->comm, sizeof(ac.ac_comm)); + ac->ac_version = ACCT_VERSION | ACCT_BYTEORDER; + strlcpy(ac->ac_comm, current->comm, sizeof(ac->ac_comm)); /* calculate run_time in nsec*/ run_time = ktime_get_ns(); @@ -489,9 +432,9 @@ static void do_acct_process(struct bsd_acct_struct *acct, /* convert nsec -> AHZ */ elapsed = nsec_to_AHZ(run_time); #if ACCT_VERSION == 3 - ac.ac_etime = encode_float(elapsed); + ac->ac_etime = encode_float(elapsed); #else - ac.ac_etime = encode_comp_t(elapsed < (unsigned long) -1l ? + ac->ac_etime = encode_comp_t(elapsed < (unsigned long) -1l ? (unsigned long) elapsed : (unsigned long) -1l); #endif #if ACCT_VERSION == 1 || ACCT_VERSION == 2 @@ -499,18 +442,58 @@ static void do_acct_process(struct bsd_acct_struct *acct, /* new enlarged etime field */ comp2_t etime = encode_comp2_t(elapsed); - ac.ac_etime_hi = etime >> 16; - ac.ac_etime_lo = (u16) etime; + ac->ac_etime_hi = etime >> 16; + ac->ac_etime_lo = (u16) etime; } #endif do_div(elapsed, AHZ); - ac.ac_btime = get_seconds() - elapsed; + ac->ac_btime = get_seconds() - elapsed; +#if ACCT_VERSION==2 + ac->ac_ahz = AHZ; +#endif + + spin_lock_irq(¤t->sighand->siglock); + tty = current->signal->tty; /* Safe as we hold the siglock */ + ac->ac_tty = tty ? old_encode_dev(tty_devnum(tty)) : 0; + ac->ac_utime = encode_comp_t(jiffies_to_AHZ(cputime_to_jiffies(pacct->ac_utime))); + ac->ac_stime = encode_comp_t(jiffies_to_AHZ(cputime_to_jiffies(pacct->ac_stime))); + ac->ac_flag = pacct->ac_flag; + ac->ac_mem = encode_comp_t(pacct->ac_mem); + ac->ac_minflt = encode_comp_t(pacct->ac_minflt); + ac->ac_majflt = encode_comp_t(pacct->ac_majflt); + ac->ac_exitcode = pacct->ac_exitcode; + spin_unlock_irq(¤t->sighand->siglock); +} +/* + * do_acct_process does all actual work. Caller holds the reference to file. + */ +static void do_acct_process(struct bsd_acct_struct *acct) +{ + acct_t ac; + unsigned long flim; + const struct cred *orig_cred; + struct pid_namespace *ns = acct->ns; + struct file *file = acct->file; + + /* + * Accounting records are not subject to resource limits. + */ + flim = current->signal->rlim[RLIMIT_FSIZE].rlim_cur; + current->signal->rlim[RLIMIT_FSIZE].rlim_cur = RLIM_INFINITY; + /* Perform file operations on behalf of whoever enabled accounting */ + orig_cred = override_creds(file->f_cred); + + /* + * First check to see if there is enough free_space to continue + * the process accounting system. + */ + if (!check_free_space(acct)) + goto out; + + fill_ac(&ac); /* we really need to bite the bullet and change layout */ ac.ac_uid = from_kuid_munged(file->f_cred->user_ns, orig_cred->uid); ac.ac_gid = from_kgid_munged(file->f_cred->user_ns, orig_cred->gid); -#if ACCT_VERSION == 2 - ac.ac_ahz = AHZ; -#endif #if ACCT_VERSION == 1 || ACCT_VERSION == 2 /* backward-compatible 16 bit fields */ ac.ac_uid16 = ac.ac_uid; @@ -522,45 +505,18 @@ static void do_acct_process(struct bsd_acct_struct *acct, ac.ac_ppid = task_tgid_nr_ns(rcu_dereference(current->real_parent), ns); rcu_read_unlock(); #endif - - spin_lock_irq(¤t->sighand->siglock); - tty = current->signal->tty; /* Safe as we hold the siglock */ - ac.ac_tty = tty ? old_encode_dev(tty_devnum(tty)) : 0; - ac.ac_utime = encode_comp_t(jiffies_to_AHZ(cputime_to_jiffies(pacct->ac_utime))); - ac.ac_stime = encode_comp_t(jiffies_to_AHZ(cputime_to_jiffies(pacct->ac_stime))); - ac.ac_flag = pacct->ac_flag; - ac.ac_mem = encode_comp_t(pacct->ac_mem); - ac.ac_minflt = encode_comp_t(pacct->ac_minflt); - ac.ac_majflt = encode_comp_t(pacct->ac_majflt); - ac.ac_exitcode = pacct->ac_exitcode; - spin_unlock_irq(¤t->sighand->siglock); - ac.ac_io = encode_comp_t(0 /* current->io_usage */); /* %% */ - ac.ac_rw = encode_comp_t(ac.ac_io / 1024); - ac.ac_swaps = encode_comp_t(0); - /* * Get freeze protection. If the fs is frozen, just skip the write * as we could deadlock the system otherwise. */ - if (!file_start_write_trylock(file)) - goto out; - /* - * Kernel segment override to datasegment and write it - * to the accounting file. - */ - fs = get_fs(); - set_fs(KERNEL_DS); - /* - * Accounting records are not subject to resource limits. - */ - flim = current->signal->rlim[RLIMIT_FSIZE].rlim_cur; - current->signal->rlim[RLIMIT_FSIZE].rlim_cur = RLIM_INFINITY; - file->f_op->write(file, (char *)&ac, - sizeof(acct_t), &file->f_pos); - current->signal->rlim[RLIMIT_FSIZE].rlim_cur = flim; - set_fs(fs); - file_end_write(file); + if (file_start_write_trylock(file)) { + /* it's been opened O_APPEND, so position is irrelevant */ + loff_t pos = 0; + __kernel_write(file, (char *)&ac, sizeof(acct_t), &pos); + file_end_write(file); + } out: + current->signal->rlim[RLIMIT_FSIZE].rlim_cur = flim; revert_creds(orig_cred); } @@ -609,34 +565,20 @@ void acct_collect(long exitcode, int group_dead) spin_unlock_irq(¤t->sighand->siglock); } -static void acct_process_in_ns(struct pid_namespace *ns) +static void slow_acct_process(struct pid_namespace *ns) { - struct file *file = NULL; - struct bsd_acct_struct *acct; - - acct = ns->bacct; - /* - * accelerate the common fastpath: - */ - if (!acct || !acct->file) - return; - - spin_lock(&acct_lock); - file = acct->file; - if (unlikely(!file)) { - spin_unlock(&acct_lock); - return; + for ( ; ns; ns = ns->parent) { + struct bsd_acct_struct *acct = acct_get(ns); + if (acct) { + do_acct_process(acct); + mutex_unlock(&acct->lock); + pin_put(&acct->pin); + } } - get_file(file); - spin_unlock(&acct_lock); - - do_acct_process(acct, ns, file); - fput(file); } /** - * acct_process - now just a wrapper around acct_process_in_ns, - * which in turn is a wrapper around do_acct_process. + * acct_process * * handles process accounting for an exiting task */ @@ -649,6 +591,10 @@ void acct_process(void) * alive and holds its namespace, which in turn holds * its parent. */ - for (ns = task_active_pid_ns(current); ns != NULL; ns = ns->parent) - acct_process_in_ns(ns); + for (ns = task_active_pid_ns(current); ns != NULL; ns = ns->parent) { + if (ns->bacct) + break; + } + if (unlikely(ns)) + slow_acct_process(ns); } diff --git a/kernel/fork.c b/kernel/fork.c index 1380d8ace334..0cf9cdb6e491 100644 --- a/kernel/fork.c +++ b/kernel/fork.c @@ -1105,7 +1105,7 @@ static void copy_seccomp(struct task_struct *p) * needed because this new task is not yet running and cannot * be racing exec. */ - BUG_ON(!spin_is_locked(¤t->sighand->siglock)); + assert_spin_locked(¤t->sighand->siglock); /* Ref-count the new filter user, and assign it. */ get_seccomp_filter(current); diff --git a/kernel/module.c b/kernel/module.c index 6f69463f0066..03214bd288e9 100644 --- a/kernel/module.c +++ b/kernel/module.c @@ -3304,6 +3304,11 @@ static int load_module(struct load_info *info, const char __user *uargs, mutex_lock(&module_mutex); module_bug_cleanup(mod); mutex_unlock(&module_mutex); + + /* we can't deallocate the module until we clear memory protection */ + unset_module_init_ro_nx(mod); + unset_module_core_ro_nx(mod); + ddebug_cleanup: dynamic_debug_remove(info->debug); synchronize_sched(); diff --git a/kernel/power/snapshot.c b/kernel/power/snapshot.c index 4fc5c32422b3..c4b8093c80b3 100644 --- a/kernel/power/snapshot.c +++ b/kernel/power/snapshot.c @@ -954,6 +954,25 @@ static void mark_nosave_pages(struct memory_bitmap *bm) } } +static bool is_nosave_page(unsigned long pfn) +{ + struct nosave_region *region; + + list_for_each_entry(region, &nosave_regions, list) { + if (pfn >= region->start_pfn && pfn < region->end_pfn) { + pr_err("PM: %#010llx in e820 nosave region: " + "[mem %#010llx-%#010llx]\n", + (unsigned long long) pfn << PAGE_SHIFT, + (unsigned long long) region->start_pfn << PAGE_SHIFT, + ((unsigned long long) region->end_pfn << PAGE_SHIFT) + - 1); + return true; + } + } + + return false; +} + /** * create_basic_memory_bitmaps - create bitmaps needed for marking page * frames that should not be saved and free page frames. The pointers @@ -2015,7 +2034,7 @@ static int mark_unsafe_pages(struct memory_bitmap *bm) do { pfn = memory_bm_next_pfn(bm); if (likely(pfn != BM_END_OF_MAP)) { - if (likely(pfn_valid(pfn))) + if (likely(pfn_valid(pfn)) && !is_nosave_page(pfn)) swsusp_set_page_free(pfn_to_page(pfn)); else return -EFAULT; diff --git a/kernel/printk/printk.c b/kernel/printk/printk.c index de1a6bb6861d..e04c455a0e38 100644 --- a/kernel/printk/printk.c +++ b/kernel/printk/printk.c @@ -272,6 +272,18 @@ static char __log_buf[__LOG_BUF_LEN] __aligned(LOG_ALIGN); static char *log_buf = __log_buf; static u32 log_buf_len = __LOG_BUF_LEN; +/* Return log buffer address */ +char *log_buf_addr_get(void) +{ + return log_buf; +} + +/* Return log buffer size */ +u32 log_buf_len_get(void) +{ + return log_buf_len; +} + /* human readable text of the record */ static char *log_text(const struct printk_log *msg) { diff --git a/kernel/sched/core.c b/kernel/sched/core.c index 1211575a2208..ec1a286684a5 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -2393,6 +2393,13 @@ unsigned long nr_iowait_cpu(int cpu) return atomic_read(&this->nr_iowait); } +void get_iowait_load(unsigned long *nr_waiters, unsigned long *load) +{ + struct rq *this = this_rq(); + *nr_waiters = atomic_read(&this->nr_iowait); + *load = this->cpu_load[0]; +} + #ifdef CONFIG_SMP /* diff --git a/kernel/sched/proc.c b/kernel/sched/proc.c index 16f5a30f9c88..8ecd552fe4f2 100644 --- a/kernel/sched/proc.c +++ b/kernel/sched/proc.c @@ -8,13 +8,6 @@ #include "sched.h" -unsigned long this_cpu_load(void) -{ - struct rq *this = this_rq(); - return this->cpu_load[0]; -} - - /* * Global load-average calculations * diff --git a/kernel/seccomp.c b/kernel/seccomp.c index 25b0043f4755..44eb005c6695 100644 --- a/kernel/seccomp.c +++ b/kernel/seccomp.c @@ -203,7 +203,7 @@ static u32 seccomp_run_filters(int syscall) static inline bool seccomp_may_assign_mode(unsigned long seccomp_mode) { - BUG_ON(!spin_is_locked(¤t->sighand->siglock)); + assert_spin_locked(¤t->sighand->siglock); if (current->seccomp.mode && current->seccomp.mode != seccomp_mode) return false; @@ -214,7 +214,7 @@ static inline bool seccomp_may_assign_mode(unsigned long seccomp_mode) static inline void seccomp_assign_mode(struct task_struct *task, unsigned long seccomp_mode) { - BUG_ON(!spin_is_locked(&task->sighand->siglock)); + assert_spin_locked(&task->sighand->siglock); task->seccomp.mode = seccomp_mode; /* @@ -253,7 +253,7 @@ static inline pid_t seccomp_can_sync_threads(void) struct task_struct *thread, *caller; BUG_ON(!mutex_is_locked(¤t->signal->cred_guard_mutex)); - BUG_ON(!spin_is_locked(¤t->sighand->siglock)); + assert_spin_locked(¤t->sighand->siglock); /* Validate all threads being eligible for synchronization. */ caller = current; @@ -294,7 +294,7 @@ static inline void seccomp_sync_threads(void) struct task_struct *thread, *caller; BUG_ON(!mutex_is_locked(¤t->signal->cred_guard_mutex)); - BUG_ON(!spin_is_locked(¤t->sighand->siglock)); + assert_spin_locked(¤t->sighand->siglock); /* Synchronize all threads. */ caller = current; @@ -464,7 +464,7 @@ static long seccomp_attach_filter(unsigned int flags, unsigned long total_insns; struct seccomp_filter *walker; - BUG_ON(!spin_is_locked(¤t->sighand->siglock)); + assert_spin_locked(¤t->sighand->siglock); /* Validate resulting filter length. */ total_insns = filter->prog->len; diff --git a/kernel/time/timekeeping.c b/kernel/time/timekeeping.c index f36b02838a47..fb4a9c2cf8d9 100644 --- a/kernel/time/timekeeping.c +++ b/kernel/time/timekeeping.c @@ -338,10 +338,11 @@ EXPORT_SYMBOL_GPL(ktime_get_mono_fast_ns); static inline void update_vsyscall(struct timekeeper *tk) { - struct timespec xt; + struct timespec xt, wm; xt = timespec64_to_timespec(tk_xtime(tk)); - update_vsyscall_old(&xt, &tk->wall_to_monotonic, tk->tkr.clock, tk->tkr.mult, + wm = timespec64_to_timespec(tk->wall_to_monotonic); + update_vsyscall_old(&xt, &wm, tk->tkr.clock, tk->tkr.mult, tk->tkr.cycle_last); } diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug index cb45f59685e6..07c28323f88f 100644 --- a/lib/Kconfig.debug +++ b/lib/Kconfig.debug @@ -143,6 +143,30 @@ config DEBUG_INFO_REDUCED DEBUG_INFO build and compile times are reduced too. Only works with newer gcc versions. +config DEBUG_INFO_SPLIT + bool "Produce split debuginfo in .dwo files" + depends on DEBUG_INFO + help + Generate debug info into separate .dwo files. This significantly + reduces the build directory size for builds with DEBUG_INFO, + because it stores the information only once on disk in .dwo + files instead of multiple times in object files and executables. + In addition the debug information is also compressed. + + Requires recent gcc (4.7+) and recent gdb/binutils. + Any tool that packages or reads debug information would need + to know about the .dwo files and include them. + Incompatible with older versions of ccache. + +config DEBUG_INFO_DWARF4 + bool "Generate dwarf4 debuginfo" + depends on DEBUG_INFO + help + Generate dwarf4 debug info. This requires recent versions + of gcc and gdb. It makes the debug information larger. + But it significantly improves the success of resolving + variables in gdb on optimized code. + config ENABLE_WARN_DEPRECATED bool "Enable __deprecated logic" default y diff --git a/lib/lru_cache.c b/lib/lru_cache.c index 4a83ecd03650..852c81e3ba9a 100644 --- a/lib/lru_cache.c +++ b/lib/lru_cache.c @@ -169,7 +169,7 @@ out_fail: return NULL; } -void lc_free_by_index(struct lru_cache *lc, unsigned i) +static void lc_free_by_index(struct lru_cache *lc, unsigned i) { void *p = lc->lc_element[i]; WARN_ON(!p); @@ -643,9 +643,10 @@ void lc_set(struct lru_cache *lc, unsigned int enr, int index) * lc_dump - Dump a complete LRU cache to seq in textual form. * @lc: the lru cache to operate on * @seq: the &struct seq_file pointer to seq_printf into - * @utext: user supplied "heading" or other info + * @utext: user supplied additional "heading" or other info * @detail: function pointer the user may provide to dump further details - * of the object the lc_element is embedded in. + * of the object the lc_element is embedded in. May be NULL. + * Note: a leading space ' ' and trailing newline '\n' is implied. */ void lc_seq_dump_details(struct seq_file *seq, struct lru_cache *lc, char *utext, void (*detail) (struct seq_file *, struct lc_element *)) @@ -654,16 +655,18 @@ void lc_seq_dump_details(struct seq_file *seq, struct lru_cache *lc, char *utext struct lc_element *e; int i; - seq_printf(seq, "\tnn: lc_number refcnt %s\n ", utext); + seq_printf(seq, "\tnn: lc_number (new nr) refcnt %s\n ", utext); for (i = 0; i < nr_elements; i++) { e = lc_element_by_index(lc, i); - if (e->lc_number == LC_FREE) { - seq_printf(seq, "\t%2d: FREE\n", i); - } else { - seq_printf(seq, "\t%2d: %4u %4u ", i, - e->lc_number, e->refcnt); + if (e->lc_number != e->lc_new_number) + seq_printf(seq, "\t%5d: %6d %8d %6d ", + i, e->lc_number, e->lc_new_number, e->refcnt); + else + seq_printf(seq, "\t%5d: %6d %-8s %6d ", + i, e->lc_number, "-\"-", e->refcnt); + if (detail) detail(seq, e); - } + seq_putc(seq, '\n'); } } diff --git a/lib/rhashtable.c b/lib/rhashtable.c index e6940cf16628..a2c78810ebc1 100644 --- a/lib/rhashtable.c +++ b/lib/rhashtable.c @@ -38,16 +38,10 @@ int lockdep_rht_mutex_is_held(const struct rhashtable *ht) EXPORT_SYMBOL_GPL(lockdep_rht_mutex_is_held); #endif -/** - * rht_obj - cast hash head to outer object - * @ht: hash table - * @he: hashed node - */ -void *rht_obj(const struct rhashtable *ht, const struct rhash_head *he) +static void *rht_obj(const struct rhashtable *ht, const struct rhash_head *he) { return (void *) he - ht->p.head_offset; } -EXPORT_SYMBOL_GPL(rht_obj); static u32 __hashfn(const struct rhashtable *ht, const void *key, u32 len, u32 hsize) @@ -386,7 +380,7 @@ EXPORT_SYMBOL_GPL(rhashtable_insert); * deletion when combined with walking or lookup. */ void rhashtable_remove_pprev(struct rhashtable *ht, struct rhash_head *obj, - struct rhash_head **pprev, gfp_t flags) + struct rhash_head __rcu **pprev, gfp_t flags) { struct bucket_table *tbl = rht_dereference(ht->tbl, ht); diff --git a/mm/filemap.c b/mm/filemap.c index f501b56ec2c6..90effcdf948d 100644 --- a/mm/filemap.c +++ b/mm/filemap.c @@ -2602,7 +2602,7 @@ ssize_t __generic_file_write_iter(struct kiocb *iocb, struct iov_iter *from) * that this differs from normal direct-io semantics, which * will return -EFOO even if some bytes were written. */ - if (unlikely(status < 0) && !written) { + if (unlikely(status < 0)) { err = status; goto out; } diff --git a/mm/hugetlb_cgroup.c b/mm/hugetlb_cgroup.c index 9aae6f47433f..9eebfadeeee1 100644 --- a/mm/hugetlb_cgroup.c +++ b/mm/hugetlb_cgroup.c @@ -275,6 +275,7 @@ static ssize_t hugetlb_cgroup_write(struct kernfs_open_file *of, ret = res_counter_memparse_write_strategy(buf, &val); if (ret) break; + val = ALIGN(val, 1ULL << huge_page_shift(&hstates[idx])); ret = res_counter_set_limit(&h_cg->hugepage[idx], val); break; default: diff --git a/mm/iov_iter.c b/mm/iov_iter.c index 7b5dbd1517b5..ab88dc0ea1d3 100644 --- a/mm/iov_iter.c +++ b/mm/iov_iter.c @@ -310,7 +310,7 @@ void iov_iter_init(struct iov_iter *i, int direction, EXPORT_SYMBOL(iov_iter_init); static ssize_t get_pages_iovec(struct iov_iter *i, - struct page **pages, size_t maxsize, + struct page **pages, unsigned maxpages, size_t *start) { size_t offset = i->iov_offset; @@ -323,10 +323,10 @@ static ssize_t get_pages_iovec(struct iov_iter *i, len = iov->iov_len - offset; if (len > i->count) len = i->count; - if (len > maxsize) - len = maxsize; addr = (unsigned long)iov->iov_base + offset; len += *start = addr & (PAGE_SIZE - 1); + if (len > maxpages * PAGE_SIZE) + len = maxpages * PAGE_SIZE; addr &= ~(PAGE_SIZE - 1); n = (len + PAGE_SIZE - 1) / PAGE_SIZE; res = get_user_pages_fast(addr, n, (i->type & WRITE) != WRITE, pages); @@ -588,15 +588,14 @@ static unsigned long alignment_bvec(const struct iov_iter *i) } static ssize_t get_pages_bvec(struct iov_iter *i, - struct page **pages, size_t maxsize, + struct page **pages, unsigned maxpages, size_t *start) { const struct bio_vec *bvec = i->bvec; size_t len = bvec->bv_len - i->iov_offset; if (len > i->count) len = i->count; - if (len > maxsize) - len = maxsize; + /* can't be more than PAGE_SIZE */ *start = bvec->bv_offset + i->iov_offset; get_page(*pages = bvec->bv_page); @@ -712,13 +711,13 @@ unsigned long iov_iter_alignment(const struct iov_iter *i) EXPORT_SYMBOL(iov_iter_alignment); ssize_t iov_iter_get_pages(struct iov_iter *i, - struct page **pages, size_t maxsize, + struct page **pages, unsigned maxpages, size_t *start) { if (i->type & ITER_BVEC) - return get_pages_bvec(i, pages, maxsize, start); + return get_pages_bvec(i, pages, maxpages, start); else - return get_pages_iovec(i, pages, maxsize, start); + return get_pages_iovec(i, pages, maxpages, start); } EXPORT_SYMBOL(iov_iter_get_pages); diff --git a/mm/shmem.c b/mm/shmem.c index a42add14331c..0e5fb225007c 100644 --- a/mm/shmem.c +++ b/mm/shmem.c @@ -2323,17 +2323,45 @@ static int shmem_rmdir(struct inode *dir, struct dentry *dentry) return shmem_unlink(dir, dentry); } +static int shmem_exchange(struct inode *old_dir, struct dentry *old_dentry, struct inode *new_dir, struct dentry *new_dentry) +{ + bool old_is_dir = S_ISDIR(old_dentry->d_inode->i_mode); + bool new_is_dir = S_ISDIR(new_dentry->d_inode->i_mode); + + if (old_dir != new_dir && old_is_dir != new_is_dir) { + if (old_is_dir) { + drop_nlink(old_dir); + inc_nlink(new_dir); + } else { + drop_nlink(new_dir); + inc_nlink(old_dir); + } + } + old_dir->i_ctime = old_dir->i_mtime = + new_dir->i_ctime = new_dir->i_mtime = + old_dentry->d_inode->i_ctime = + new_dentry->d_inode->i_ctime = CURRENT_TIME; + + return 0; +} + /* * The VFS layer already does all the dentry stuff for rename, * we just have to decrement the usage count for the target if * it exists so that the VFS layer correctly free's it when it * gets overwritten. */ -static int shmem_rename(struct inode *old_dir, struct dentry *old_dentry, struct inode *new_dir, struct dentry *new_dentry) +static int shmem_rename2(struct inode *old_dir, struct dentry *old_dentry, struct inode *new_dir, struct dentry *new_dentry, unsigned int flags) { struct inode *inode = old_dentry->d_inode; int they_are_dirs = S_ISDIR(inode->i_mode); + if (flags & ~(RENAME_NOREPLACE | RENAME_EXCHANGE)) + return -EINVAL; + + if (flags & RENAME_EXCHANGE) + return shmem_exchange(old_dir, old_dentry, new_dir, new_dentry); + if (!simple_empty(new_dentry)) return -ENOTEMPTY; @@ -3087,7 +3115,7 @@ static const struct inode_operations shmem_dir_inode_operations = { .mkdir = shmem_mkdir, .rmdir = shmem_rmdir, .mknod = shmem_mknod, - .rename = shmem_rename, + .rename2 = shmem_rename2, .tmpfile = shmem_tmpfile, #endif #ifdef CONFIG_TMPFS_XATTR diff --git a/net/6lowpan/Kconfig b/net/6lowpan/Kconfig index 028a5c6d1f61..e4a02ef55102 100644 --- a/net/6lowpan/Kconfig +++ b/net/6lowpan/Kconfig @@ -1,5 +1,5 @@ config 6LOWPAN - bool "6LoWPAN Support" + tristate "6LoWPAN Support" depends on IPV6 ---help--- This enables IPv6 over Low power Wireless Personal Area Network - diff --git a/net/8021q/vlan_core.c b/net/8021q/vlan_core.c index 75d427763992..90cc2bdd4064 100644 --- a/net/8021q/vlan_core.c +++ b/net/8021q/vlan_core.c @@ -112,59 +112,6 @@ __be16 vlan_dev_vlan_proto(const struct net_device *dev) } EXPORT_SYMBOL(vlan_dev_vlan_proto); -static struct sk_buff *vlan_reorder_header(struct sk_buff *skb) -{ - if (skb_cow(skb, skb_headroom(skb)) < 0) { - kfree_skb(skb); - return NULL; - } - - memmove(skb->data - ETH_HLEN, skb->data - VLAN_ETH_HLEN, 2 * ETH_ALEN); - skb->mac_header += VLAN_HLEN; - return skb; -} - -struct sk_buff *vlan_untag(struct sk_buff *skb) -{ - struct vlan_hdr *vhdr; - u16 vlan_tci; - - if (unlikely(vlan_tx_tag_present(skb))) { - /* vlan_tci is already set-up so leave this for another time */ - return skb; - } - - skb = skb_share_check(skb, GFP_ATOMIC); - if (unlikely(!skb)) - goto err_free; - - if (unlikely(!pskb_may_pull(skb, VLAN_HLEN))) - goto err_free; - - vhdr = (struct vlan_hdr *) skb->data; - vlan_tci = ntohs(vhdr->h_vlan_TCI); - __vlan_hwaccel_put_tag(skb, skb->protocol, vlan_tci); - - skb_pull_rcsum(skb, VLAN_HLEN); - vlan_set_encap_proto(skb, vhdr); - - skb = vlan_reorder_header(skb); - if (unlikely(!skb)) - goto err_free; - - skb_reset_network_header(skb); - skb_reset_transport_header(skb); - skb_reset_mac_len(skb); - - return skb; - -err_free: - kfree_skb(skb); - return NULL; -} -EXPORT_SYMBOL(vlan_untag); - - /* * vlan info and vid list */ diff --git a/net/atm/lec.c b/net/atm/lec.c index 4c5b8ba0f84f..e4853b50cf40 100644 --- a/net/atm/lec.c +++ b/net/atm/lec.c @@ -833,7 +833,6 @@ static void *lec_tbl_walk(struct lec_state *state, struct hlist_head *tbl, loff_t *l) { struct hlist_node *e = state->node; - struct lec_arp_table *tmp; if (!e) e = tbl->first; @@ -842,9 +841,7 @@ static void *lec_tbl_walk(struct lec_state *state, struct hlist_head *tbl, --*l; } - tmp = container_of(e, struct lec_arp_table, next); - - hlist_for_each_entry_from(tmp, next) { + for (; e; e = e->next) { if (--*l < 0) break; } diff --git a/net/atm/svc.c b/net/atm/svc.c index d8e5d0c2ebbc..1ba23f5018e7 100644 --- a/net/atm/svc.c +++ b/net/atm/svc.c @@ -50,12 +50,12 @@ static void svc_disconnect(struct atm_vcc *vcc) pr_debug("%p\n", vcc); if (test_bit(ATM_VF_REGIS, &vcc->flags)) { - prepare_to_wait(sk_sleep(sk), &wait, TASK_UNINTERRUPTIBLE); sigd_enq(vcc, as_close, NULL, NULL, NULL); - while (!test_bit(ATM_VF_RELEASED, &vcc->flags) && sigd) { + for (;;) { + prepare_to_wait(sk_sleep(sk), &wait, TASK_UNINTERRUPTIBLE); + if (test_bit(ATM_VF_RELEASED, &vcc->flags) || !sigd) + break; schedule(); - prepare_to_wait(sk_sleep(sk), &wait, - TASK_UNINTERRUPTIBLE); } finish_wait(sk_sleep(sk), &wait); } @@ -126,11 +126,12 @@ static int svc_bind(struct socket *sock, struct sockaddr *sockaddr, } vcc->local = *addr; set_bit(ATM_VF_WAITING, &vcc->flags); - prepare_to_wait(sk_sleep(sk), &wait, TASK_UNINTERRUPTIBLE); sigd_enq(vcc, as_bind, NULL, NULL, &vcc->local); - while (test_bit(ATM_VF_WAITING, &vcc->flags) && sigd) { - schedule(); + for (;;) { prepare_to_wait(sk_sleep(sk), &wait, TASK_UNINTERRUPTIBLE); + if (!test_bit(ATM_VF_WAITING, &vcc->flags) || !sigd) + break; + schedule(); } finish_wait(sk_sleep(sk), &wait); clear_bit(ATM_VF_REGIS, &vcc->flags); /* doesn't count */ @@ -202,15 +203,14 @@ static int svc_connect(struct socket *sock, struct sockaddr *sockaddr, } vcc->remote = *addr; set_bit(ATM_VF_WAITING, &vcc->flags); - prepare_to_wait(sk_sleep(sk), &wait, TASK_INTERRUPTIBLE); sigd_enq(vcc, as_connect, NULL, NULL, &vcc->remote); if (flags & O_NONBLOCK) { - finish_wait(sk_sleep(sk), &wait); sock->state = SS_CONNECTING; error = -EINPROGRESS; goto out; } error = 0; + prepare_to_wait(sk_sleep(sk), &wait, TASK_INTERRUPTIBLE); while (test_bit(ATM_VF_WAITING, &vcc->flags) && sigd) { schedule(); if (!signal_pending(current)) { @@ -297,11 +297,12 @@ static int svc_listen(struct socket *sock, int backlog) goto out; } set_bit(ATM_VF_WAITING, &vcc->flags); - prepare_to_wait(sk_sleep(sk), &wait, TASK_UNINTERRUPTIBLE); sigd_enq(vcc, as_listen, NULL, NULL, &vcc->local); - while (test_bit(ATM_VF_WAITING, &vcc->flags) && sigd) { - schedule(); + for (;;) { prepare_to_wait(sk_sleep(sk), &wait, TASK_UNINTERRUPTIBLE); + if (!test_bit(ATM_VF_WAITING, &vcc->flags) || !sigd) + break; + schedule(); } finish_wait(sk_sleep(sk), &wait); if (!sigd) { @@ -387,15 +388,15 @@ static int svc_accept(struct socket *sock, struct socket *newsock, int flags) } /* wait should be short, so we ignore the non-blocking flag */ set_bit(ATM_VF_WAITING, &new_vcc->flags); - prepare_to_wait(sk_sleep(sk_atm(new_vcc)), &wait, - TASK_UNINTERRUPTIBLE); sigd_enq(new_vcc, as_accept, old_vcc, NULL, NULL); - while (test_bit(ATM_VF_WAITING, &new_vcc->flags) && sigd) { + for (;;) { + prepare_to_wait(sk_sleep(sk_atm(new_vcc)), &wait, + TASK_UNINTERRUPTIBLE); + if (!test_bit(ATM_VF_WAITING, &new_vcc->flags) || !sigd) + break; release_sock(sk); schedule(); lock_sock(sk); - prepare_to_wait(sk_sleep(sk_atm(new_vcc)), &wait, - TASK_UNINTERRUPTIBLE); } finish_wait(sk_sleep(sk_atm(new_vcc)), &wait); if (!sigd) { @@ -433,12 +434,14 @@ int svc_change_qos(struct atm_vcc *vcc, struct atm_qos *qos) DEFINE_WAIT(wait); set_bit(ATM_VF_WAITING, &vcc->flags); - prepare_to_wait(sk_sleep(sk), &wait, TASK_UNINTERRUPTIBLE); sigd_enq2(vcc, as_modify, NULL, NULL, &vcc->local, qos, 0); - while (test_bit(ATM_VF_WAITING, &vcc->flags) && - !test_bit(ATM_VF_RELEASED, &vcc->flags) && sigd) { - schedule(); + for (;;) { prepare_to_wait(sk_sleep(sk), &wait, TASK_UNINTERRUPTIBLE); + if (!test_bit(ATM_VF_WAITING, &vcc->flags) || + test_bit(ATM_VF_RELEASED, &vcc->flags) || !sigd) { + break; + } + schedule(); } finish_wait(sk_sleep(sk), &wait); if (!sigd) @@ -529,18 +532,18 @@ static int svc_addparty(struct socket *sock, struct sockaddr *sockaddr, lock_sock(sk); set_bit(ATM_VF_WAITING, &vcc->flags); - prepare_to_wait(sk_sleep(sk), &wait, TASK_INTERRUPTIBLE); sigd_enq(vcc, as_addparty, NULL, NULL, (struct sockaddr_atmsvc *) sockaddr); if (flags & O_NONBLOCK) { - finish_wait(sk_sleep(sk), &wait); error = -EINPROGRESS; goto out; } pr_debug("added wait queue\n"); - while (test_bit(ATM_VF_WAITING, &vcc->flags) && sigd) { - schedule(); + for (;;) { prepare_to_wait(sk_sleep(sk), &wait, TASK_INTERRUPTIBLE); + if (!test_bit(ATM_VF_WAITING, &vcc->flags) || !sigd) + break; + schedule(); } finish_wait(sk_sleep(sk), &wait); error = xchg(&sk->sk_err_soft, 0); @@ -558,11 +561,12 @@ static int svc_dropparty(struct socket *sock, int ep_ref) lock_sock(sk); set_bit(ATM_VF_WAITING, &vcc->flags); - prepare_to_wait(sk_sleep(sk), &wait, TASK_INTERRUPTIBLE); sigd_enq2(vcc, as_dropparty, NULL, NULL, NULL, NULL, ep_ref); - while (test_bit(ATM_VF_WAITING, &vcc->flags) && sigd) { - schedule(); + for (;;) { prepare_to_wait(sk_sleep(sk), &wait, TASK_INTERRUPTIBLE); + if (!test_bit(ATM_VF_WAITING, &vcc->flags) || !sigd) + break; + schedule(); } finish_wait(sk_sleep(sk), &wait); if (!sigd) { diff --git a/net/batman-adv/multicast.c b/net/batman-adv/multicast.c index 96b66fd30f96..ab6bb2af1d45 100644 --- a/net/batman-adv/multicast.c +++ b/net/batman-adv/multicast.c @@ -20,7 +20,6 @@ #include "originator.h" #include "hard-interface.h" #include "translation-table.h" -#include "multicast.h" /** * batadv_mcast_mla_softif_get - get softif multicast listeners diff --git a/net/bridge/br_vlan.c b/net/bridge/br_vlan.c index febb0f87fa37..e1bcd653899b 100644 --- a/net/bridge/br_vlan.c +++ b/net/bridge/br_vlan.c @@ -181,7 +181,7 @@ bool br_allowed_ingress(struct net_bridge *br, struct net_port_vlans *v, */ if (unlikely(!vlan_tx_tag_present(skb) && skb->protocol == proto)) { - skb = vlan_untag(skb); + skb = skb_vlan_untag(skb); if (unlikely(!skb)) return false; } diff --git a/net/bridge/netfilter/ebtables.c b/net/bridge/netfilter/ebtables.c index 1059ed3bc255..6d69631b9f4d 100644 --- a/net/bridge/netfilter/ebtables.c +++ b/net/bridge/netfilter/ebtables.c @@ -327,10 +327,7 @@ find_inlist_lock_noload(struct list_head *head, const char *name, int *error, char name[EBT_FUNCTION_MAXNAMELEN]; } *e; - *error = mutex_lock_interruptible(mutex); - if (*error != 0) - return NULL; - + mutex_lock(mutex); list_for_each_entry(e, head, list) { if (strcmp(e->name, name) == 0) return e; @@ -1203,10 +1200,7 @@ ebt_register_table(struct net *net, const struct ebt_table *input_table) table->private = newinfo; rwlock_init(&table->lock); - ret = mutex_lock_interruptible(&ebt_mutex); - if (ret != 0) - goto free_chainstack; - + mutex_lock(&ebt_mutex); list_for_each_entry(t, &net->xt.tables[NFPROTO_BRIDGE], list) { if (strcmp(t->name, table->name) == 0) { ret = -EEXIST; diff --git a/net/ceph/messenger.c b/net/ceph/messenger.c index 1948d592aa54..b2f571dd933d 100644 --- a/net/ceph/messenger.c +++ b/net/ceph/messenger.c @@ -174,6 +174,7 @@ static struct lock_class_key socket_class; #define SKIP_BUF_SIZE 1024 static void queue_con(struct ceph_connection *con); +static void cancel_con(struct ceph_connection *con); static void con_work(struct work_struct *); static void con_fault(struct ceph_connection *con); @@ -680,7 +681,7 @@ void ceph_con_close(struct ceph_connection *con) reset_connection(con); con->peer_global_seq = 0; - cancel_delayed_work(&con->work); + cancel_con(con); con_close_socket(con); mutex_unlock(&con->mutex); } @@ -900,7 +901,7 @@ static void ceph_msg_data_pages_cursor_init(struct ceph_msg_data_cursor *cursor, BUG_ON(page_count > (int)USHRT_MAX); cursor->page_count = (unsigned short)page_count; BUG_ON(length > SIZE_MAX - cursor->page_offset); - cursor->last_piece = (size_t)cursor->page_offset + length <= PAGE_SIZE; + cursor->last_piece = cursor->page_offset + cursor->resid <= PAGE_SIZE; } static struct page * @@ -2667,19 +2668,16 @@ static int queue_con_delay(struct ceph_connection *con, unsigned long delay) { if (!con->ops->get(con)) { dout("%s %p ref count 0\n", __func__, con); - return -ENOENT; } if (!queue_delayed_work(ceph_msgr_wq, &con->work, delay)) { dout("%s %p - already queued\n", __func__, con); con->ops->put(con); - return -EBUSY; } dout("%s %p %lu\n", __func__, con, delay); - return 0; } @@ -2688,6 +2686,14 @@ static void queue_con(struct ceph_connection *con) (void) queue_con_delay(con, 0); } +static void cancel_con(struct ceph_connection *con) +{ + if (cancel_delayed_work(&con->work)) { + dout("%s %p\n", __func__, con); + con->ops->put(con); + } +} + static bool con_sock_closed(struct ceph_connection *con) { if (!con_flag_test_and_clear(con, CON_FLAG_SOCK_CLOSED)) @@ -3269,24 +3275,21 @@ static int ceph_con_in_msg_alloc(struct ceph_connection *con, int *skip) /* * Free a generically kmalloc'd message. */ -void ceph_msg_kfree(struct ceph_msg *m) +static void ceph_msg_free(struct ceph_msg *m) { - dout("msg_kfree %p\n", m); + dout("%s %p\n", __func__, m); ceph_kvfree(m->front.iov_base); kmem_cache_free(ceph_msg_cache, m); } -/* - * Drop a msg ref. Destroy as needed. - */ -void ceph_msg_last_put(struct kref *kref) +static void ceph_msg_release(struct kref *kref) { struct ceph_msg *m = container_of(kref, struct ceph_msg, kref); LIST_HEAD(data); struct list_head *links; struct list_head *next; - dout("ceph_msg_put last one on %p\n", m); + dout("%s %p\n", __func__, m); WARN_ON(!list_empty(&m->list_head)); /* drop middle, data, if any */ @@ -3308,9 +3311,25 @@ void ceph_msg_last_put(struct kref *kref) if (m->pool) ceph_msgpool_put(m->pool, m); else - ceph_msg_kfree(m); + ceph_msg_free(m); +} + +struct ceph_msg *ceph_msg_get(struct ceph_msg *msg) +{ + dout("%s %p (was %d)\n", __func__, msg, + atomic_read(&msg->kref.refcount)); + kref_get(&msg->kref); + return msg; +} +EXPORT_SYMBOL(ceph_msg_get); + +void ceph_msg_put(struct ceph_msg *msg) +{ + dout("%s %p (was %d)\n", __func__, msg, + atomic_read(&msg->kref.refcount)); + kref_put(&msg->kref, ceph_msg_release); } -EXPORT_SYMBOL(ceph_msg_last_put); +EXPORT_SYMBOL(ceph_msg_put); void ceph_msg_dump(struct ceph_msg *msg) { diff --git a/net/ceph/osd_client.c b/net/ceph/osd_client.c index 05be0c181695..30f6faf3584f 100644 --- a/net/ceph/osd_client.c +++ b/net/ceph/osd_client.c @@ -297,12 +297,21 @@ static void osd_req_op_data_release(struct ceph_osd_request *osd_req, /* * requests */ -void ceph_osdc_release_request(struct kref *kref) +static void ceph_osdc_release_request(struct kref *kref) { - struct ceph_osd_request *req; + struct ceph_osd_request *req = container_of(kref, + struct ceph_osd_request, r_kref); unsigned int which; - req = container_of(kref, struct ceph_osd_request, r_kref); + dout("%s %p (r_request %p r_reply %p)\n", __func__, req, + req->r_request, req->r_reply); + WARN_ON(!RB_EMPTY_NODE(&req->r_node)); + WARN_ON(!list_empty(&req->r_req_lru_item)); + WARN_ON(!list_empty(&req->r_osd_item)); + WARN_ON(!list_empty(&req->r_linger_item)); + WARN_ON(!list_empty(&req->r_linger_osd_item)); + WARN_ON(req->r_osd); + if (req->r_request) ceph_msg_put(req->r_request); if (req->r_reply) { @@ -320,7 +329,22 @@ void ceph_osdc_release_request(struct kref *kref) kmem_cache_free(ceph_osd_request_cache, req); } -EXPORT_SYMBOL(ceph_osdc_release_request); + +void ceph_osdc_get_request(struct ceph_osd_request *req) +{ + dout("%s %p (was %d)\n", __func__, req, + atomic_read(&req->r_kref.refcount)); + kref_get(&req->r_kref); +} +EXPORT_SYMBOL(ceph_osdc_get_request); + +void ceph_osdc_put_request(struct ceph_osd_request *req) +{ + dout("%s %p (was %d)\n", __func__, req, + atomic_read(&req->r_kref.refcount)); + kref_put(&req->r_kref, ceph_osdc_release_request); +} +EXPORT_SYMBOL(ceph_osdc_put_request); struct ceph_osd_request *ceph_osdc_alloc_request(struct ceph_osd_client *osdc, struct ceph_snap_context *snapc, @@ -364,7 +388,7 @@ struct ceph_osd_request *ceph_osdc_alloc_request(struct ceph_osd_client *osdc, RB_CLEAR_NODE(&req->r_node); INIT_LIST_HEAD(&req->r_unsafe_item); INIT_LIST_HEAD(&req->r_linger_item); - INIT_LIST_HEAD(&req->r_linger_osd); + INIT_LIST_HEAD(&req->r_linger_osd_item); INIT_LIST_HEAD(&req->r_req_lru_item); INIT_LIST_HEAD(&req->r_osd_item); @@ -916,7 +940,7 @@ static void __kick_osd_requests(struct ceph_osd_client *osdc, * list at the end to keep things in tid order. */ list_for_each_entry_safe(req, nreq, &osd->o_linger_requests, - r_linger_osd) { + r_linger_osd_item) { /* * reregister request prior to unregistering linger so * that r_osd is preserved. @@ -1008,6 +1032,8 @@ static void __remove_osd(struct ceph_osd_client *osdc, struct ceph_osd *osd) { dout("__remove_osd %p\n", osd); BUG_ON(!list_empty(&osd->o_requests)); + BUG_ON(!list_empty(&osd->o_linger_requests)); + rb_erase(&osd->o_node, &osdc->osds); list_del_init(&osd->o_osd_lru); ceph_con_close(&osd->o_con); @@ -1029,12 +1055,23 @@ static void remove_all_osds(struct ceph_osd_client *osdc) static void __move_osd_to_lru(struct ceph_osd_client *osdc, struct ceph_osd *osd) { - dout("__move_osd_to_lru %p\n", osd); + dout("%s %p\n", __func__, osd); BUG_ON(!list_empty(&osd->o_osd_lru)); + list_add_tail(&osd->o_osd_lru, &osdc->osd_lru); osd->lru_ttl = jiffies + osdc->client->options->osd_idle_ttl * HZ; } +static void maybe_move_osd_to_lru(struct ceph_osd_client *osdc, + struct ceph_osd *osd) +{ + dout("%s %p\n", __func__, osd); + + if (list_empty(&osd->o_requests) && + list_empty(&osd->o_linger_requests)) + __move_osd_to_lru(osdc, osd); +} + static void __remove_osd_from_lru(struct ceph_osd *osd) { dout("__remove_osd_from_lru %p\n", osd); @@ -1175,6 +1212,7 @@ static void __unregister_request(struct ceph_osd_client *osdc, dout("__unregister_request %p tid %lld\n", req, req->r_tid); rb_erase(&req->r_node, &osdc->requests); + RB_CLEAR_NODE(&req->r_node); osdc->num_requests--; if (req->r_osd) { @@ -1182,12 +1220,8 @@ static void __unregister_request(struct ceph_osd_client *osdc, ceph_msg_revoke(req->r_request); list_del_init(&req->r_osd_item); - if (list_empty(&req->r_osd->o_requests) && - list_empty(&req->r_osd->o_linger_requests)) { - dout("moving osd to %p lru\n", req->r_osd); - __move_osd_to_lru(osdc, req->r_osd); - } - if (list_empty(&req->r_linger_item)) + maybe_move_osd_to_lru(osdc, req->r_osd); + if (list_empty(&req->r_linger_osd_item)) req->r_osd = NULL; } @@ -1214,45 +1248,39 @@ static void __cancel_request(struct ceph_osd_request *req) static void __register_linger_request(struct ceph_osd_client *osdc, struct ceph_osd_request *req) { - dout("__register_linger_request %p\n", req); + dout("%s %p tid %llu\n", __func__, req, req->r_tid); + WARN_ON(!req->r_linger); + ceph_osdc_get_request(req); list_add_tail(&req->r_linger_item, &osdc->req_linger); if (req->r_osd) - list_add_tail(&req->r_linger_osd, + list_add_tail(&req->r_linger_osd_item, &req->r_osd->o_linger_requests); } static void __unregister_linger_request(struct ceph_osd_client *osdc, struct ceph_osd_request *req) { - dout("__unregister_linger_request %p\n", req); + WARN_ON(!req->r_linger); + + if (list_empty(&req->r_linger_item)) { + dout("%s %p tid %llu not registered\n", __func__, req, + req->r_tid); + return; + } + + dout("%s %p tid %llu\n", __func__, req, req->r_tid); list_del_init(&req->r_linger_item); - if (req->r_osd) { - list_del_init(&req->r_linger_osd); - if (list_empty(&req->r_osd->o_requests) && - list_empty(&req->r_osd->o_linger_requests)) { - dout("moving osd to %p lru\n", req->r_osd); - __move_osd_to_lru(osdc, req->r_osd); - } + if (req->r_osd) { + list_del_init(&req->r_linger_osd_item); + maybe_move_osd_to_lru(osdc, req->r_osd); if (list_empty(&req->r_osd_item)) req->r_osd = NULL; } ceph_osdc_put_request(req); } -void ceph_osdc_unregister_linger_request(struct ceph_osd_client *osdc, - struct ceph_osd_request *req) -{ - mutex_lock(&osdc->request_mutex); - if (req->r_linger) { - req->r_linger = 0; - __unregister_linger_request(osdc, req); - } - mutex_unlock(&osdc->request_mutex); -} -EXPORT_SYMBOL(ceph_osdc_unregister_linger_request); - void ceph_osdc_set_request_linger(struct ceph_osd_client *osdc, struct ceph_osd_request *req) { @@ -2430,6 +2458,25 @@ int ceph_osdc_start_request(struct ceph_osd_client *osdc, EXPORT_SYMBOL(ceph_osdc_start_request); /* + * Unregister a registered request. The request is not completed (i.e. + * no callbacks or wakeups) - higher layers are supposed to know what + * they are canceling. + */ +void ceph_osdc_cancel_request(struct ceph_osd_request *req) +{ + struct ceph_osd_client *osdc = req->r_osdc; + + mutex_lock(&osdc->request_mutex); + if (req->r_linger) + __unregister_linger_request(osdc, req); + __unregister_request(osdc, req); + mutex_unlock(&osdc->request_mutex); + + dout("%s %p tid %llu canceled\n", __func__, req, req->r_tid); +} +EXPORT_SYMBOL(ceph_osdc_cancel_request); + +/* * wait for a request to complete */ int ceph_osdc_wait_request(struct ceph_osd_client *osdc, @@ -2437,18 +2484,18 @@ int ceph_osdc_wait_request(struct ceph_osd_client *osdc, { int rc; + dout("%s %p tid %llu\n", __func__, req, req->r_tid); + rc = wait_for_completion_interruptible(&req->r_completion); if (rc < 0) { - mutex_lock(&osdc->request_mutex); - __cancel_request(req); - __unregister_request(osdc, req); - mutex_unlock(&osdc->request_mutex); + dout("%s %p tid %llu interrupted\n", __func__, req, req->r_tid); + ceph_osdc_cancel_request(req); complete_request(req); - dout("wait_request tid %llu canceled/timed out\n", req->r_tid); return rc; } - dout("wait_request tid %llu result %d\n", req->r_tid, req->r_result); + dout("%s %p tid %llu result %d\n", __func__, req, req->r_tid, + req->r_result); return req->r_result; } EXPORT_SYMBOL(ceph_osdc_wait_request); diff --git a/net/core/dev.c b/net/core/dev.c index 1c15b189c52b..b65a5051361f 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -3602,7 +3602,7 @@ another_round: if (skb->protocol == cpu_to_be16(ETH_P_8021Q) || skb->protocol == cpu_to_be16(ETH_P_8021AD)) { - skb = vlan_untag(skb); + skb = skb_vlan_untag(skb); if (unlikely(!skb)) goto unlock; } diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c index 8d39071f32d7..f0493e3b7471 100644 --- a/net/core/rtnetlink.c +++ b/net/core/rtnetlink.c @@ -804,7 +804,8 @@ static inline int rtnl_vfinfo_size(const struct net_device *dev, (nla_total_size(sizeof(struct ifla_vf_mac)) + nla_total_size(sizeof(struct ifla_vf_vlan)) + nla_total_size(sizeof(struct ifla_vf_spoofchk)) + - nla_total_size(sizeof(struct ifla_vf_rate))); + nla_total_size(sizeof(struct ifla_vf_rate)) + + nla_total_size(sizeof(struct ifla_vf_link_state))); return size; } else return 0; diff --git a/net/core/skbuff.c b/net/core/skbuff.c index 224506a6fa80..163b673f9e62 100644 --- a/net/core/skbuff.c +++ b/net/core/skbuff.c @@ -62,6 +62,7 @@ #include <linux/scatterlist.h> #include <linux/errqueue.h> #include <linux/prefetch.h> +#include <linux/if_vlan.h> #include <net/protocol.h> #include <net/dst.h> @@ -3973,3 +3974,55 @@ unsigned int skb_gso_transport_seglen(const struct sk_buff *skb) return shinfo->gso_size; } EXPORT_SYMBOL_GPL(skb_gso_transport_seglen); + +static struct sk_buff *skb_reorder_vlan_header(struct sk_buff *skb) +{ + if (skb_cow(skb, skb_headroom(skb)) < 0) { + kfree_skb(skb); + return NULL; + } + + memmove(skb->data - ETH_HLEN, skb->data - VLAN_ETH_HLEN, 2 * ETH_ALEN); + skb->mac_header += VLAN_HLEN; + return skb; +} + +struct sk_buff *skb_vlan_untag(struct sk_buff *skb) +{ + struct vlan_hdr *vhdr; + u16 vlan_tci; + + if (unlikely(vlan_tx_tag_present(skb))) { + /* vlan_tci is already set-up so leave this for another time */ + return skb; + } + + skb = skb_share_check(skb, GFP_ATOMIC); + if (unlikely(!skb)) + goto err_free; + + if (unlikely(!pskb_may_pull(skb, VLAN_HLEN))) + goto err_free; + + vhdr = (struct vlan_hdr *)skb->data; + vlan_tci = ntohs(vhdr->h_vlan_TCI); + __vlan_hwaccel_put_tag(skb, skb->protocol, vlan_tci); + + skb_pull_rcsum(skb, VLAN_HLEN); + vlan_set_encap_proto(skb, vhdr); + + skb = skb_reorder_vlan_header(skb); + if (unlikely(!skb)) + goto err_free; + + skb_reset_network_header(skb); + skb_reset_transport_header(skb); + skb_reset_mac_len(skb); + + return skb; + +err_free: + kfree_skb(skb); + return NULL; +} +EXPORT_SYMBOL(skb_vlan_untag); diff --git a/net/ipv4/route.c b/net/ipv4/route.c index 190199851c9a..eaa4b000c7b4 100644 --- a/net/ipv4/route.c +++ b/net/ipv4/route.c @@ -1798,8 +1798,6 @@ local_input: no_route: RT_CACHE_STAT_INC(in_no_route); res.type = RTN_UNREACHABLE; - if (err == -ESRCH) - err = -ENETUNREACH; goto local_input; /* diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c index 181b70ebd964..541f26a67ba2 100644 --- a/net/ipv4/tcp.c +++ b/net/ipv4/tcp.c @@ -1188,13 +1188,6 @@ new_segment: goto wait_for_memory; /* - * All packets are restored as if they have - * already been sent. - */ - if (tp->repair) - TCP_SKB_CB(skb)->when = tcp_time_stamp; - - /* * Check whether we can use HW checksum. */ if (sk->sk_route_caps & NETIF_F_ALL_CSUM) @@ -1203,6 +1196,13 @@ new_segment: skb_entail(sk, skb); copy = size_goal; max = size_goal; + + /* All packets are restored as if they have + * already been sent. skb_mstamp isn't set to + * avoid wrong rtt estimation. + */ + if (tp->repair) + TCP_SKB_CB(skb)->sacked |= TCPCB_REPAIRED; } /* Try to append data to the end of skb. */ diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c index a3d47af01906..a906e0200ff2 100644 --- a/net/ipv4/tcp_input.c +++ b/net/ipv4/tcp_input.c @@ -2687,7 +2687,6 @@ static void tcp_enter_recovery(struct sock *sk, bool ece_ack) */ static void tcp_process_loss(struct sock *sk, int flag, bool is_dupack) { - struct inet_connection_sock *icsk = inet_csk(sk); struct tcp_sock *tp = tcp_sk(sk); bool recovered = !before(tp->snd_una, tp->high_seq); @@ -2713,12 +2712,9 @@ static void tcp_process_loss(struct sock *sk, int flag, bool is_dupack) if (recovered) { /* F-RTO RFC5682 sec 3.1 step 2.a and 1st part of step 3.a */ - icsk->icsk_retransmits = 0; tcp_try_undo_recovery(sk); return; } - if (flag & FLAG_DATA_ACKED) - icsk->icsk_retransmits = 0; if (tcp_is_reno(tp)) { /* A Reno DUPACK means new data in F-RTO step 2.b above are * delivered. Lower inflight to clock out (re)tranmissions. @@ -3050,10 +3046,15 @@ static int tcp_clean_rtx_queue(struct sock *sk, int prior_fackets, first_ackt.v64 = 0; while ((skb = tcp_write_queue_head(sk)) && skb != tcp_send_head(sk)) { + struct skb_shared_info *shinfo = skb_shinfo(skb); struct tcp_skb_cb *scb = TCP_SKB_CB(skb); u8 sacked = scb->sacked; u32 acked_pcount; + if (unlikely(shinfo->tx_flags & SKBTX_ACK_TSTAMP) && + between(shinfo->tskey, prior_snd_una, tp->snd_una - 1)) + __skb_tstamp_tx(skb, NULL, sk, SCM_TSTAMP_ACK); + /* Determine how many packets and what bytes were acked, tso and else */ if (after(scb->end_seq, tp->snd_una)) { if (tcp_skb_pcount(skb) == 1 || @@ -3107,11 +3108,6 @@ static int tcp_clean_rtx_queue(struct sock *sk, int prior_fackets, tp->retrans_stamp = 0; } - if (unlikely(skb_shinfo(skb)->tx_flags & SKBTX_ACK_TSTAMP) && - between(skb_shinfo(skb)->tskey, prior_snd_una, - tp->snd_una + 1)) - __skb_tstamp_tx(skb, NULL, sk, SCM_TSTAMP_ACK); - if (!fully_acked) break; @@ -3405,8 +3401,10 @@ static int tcp_ack(struct sock *sk, const struct sk_buff *skb, int flag) icsk->icsk_pending == ICSK_TIME_LOSS_PROBE) tcp_rearm_rto(sk); - if (after(ack, prior_snd_una)) + if (after(ack, prior_snd_una)) { flag |= FLAG_SND_UNA_ADVANCED; + icsk->icsk_retransmits = 0; + } prior_fackets = tp->fackets_out; @@ -5979,12 +5977,14 @@ int tcp_conn_request(struct request_sock_ops *rsk_ops, * timewait bucket, so that all the necessary checks * are made in the function processing timewait state. */ - if (tmp_opt.saw_tstamp && tcp_death_row.sysctl_tw_recycle) { + if (tcp_death_row.sysctl_tw_recycle) { bool strict; dst = af_ops->route_req(sk, &fl, req, &strict); + if (dst && strict && - !tcp_peer_is_proven(req, dst, true)) { + !tcp_peer_is_proven(req, dst, true, + tmp_opt.saw_tstamp)) { NET_INC_STATS_BH(sock_net(sk), LINUX_MIB_PAWSPASSIVEREJECTED); goto drop_and_release; } @@ -5993,7 +5993,8 @@ int tcp_conn_request(struct request_sock_ops *rsk_ops, else if (!sysctl_tcp_syncookies && (sysctl_max_syn_backlog - inet_csk_reqsk_queue_len(sk) < (sysctl_max_syn_backlog >> 2)) && - !tcp_peer_is_proven(req, dst, false)) { + !tcp_peer_is_proven(req, dst, false, + tmp_opt.saw_tstamp)) { /* Without syncookies last quarter of * backlog is filled with destinations, * proven to be alive. diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c index dceff5fe8e66..cd17f009aede 100644 --- a/net/ipv4/tcp_ipv4.c +++ b/net/ipv4/tcp_ipv4.c @@ -271,7 +271,7 @@ EXPORT_SYMBOL(tcp_v4_connect); * It can be called through tcp_release_cb() if socket was owned by user * at the time tcp_v4_err() was called to handle ICMP message. */ -static void tcp_v4_mtu_reduced(struct sock *sk) +void tcp_v4_mtu_reduced(struct sock *sk) { struct dst_entry *dst; struct inet_sock *inet = inet_sk(sk); @@ -302,6 +302,7 @@ static void tcp_v4_mtu_reduced(struct sock *sk) tcp_simple_retransmit(sk); } /* else let the usual retransmit timer handle it */ } +EXPORT_SYMBOL(tcp_v4_mtu_reduced); static void do_redirect(struct sk_buff *skb, struct sock *sk) { @@ -1787,6 +1788,7 @@ const struct inet_connection_sock_af_ops ipv4_specific = { .compat_setsockopt = compat_ip_setsockopt, .compat_getsockopt = compat_ip_getsockopt, #endif + .mtu_reduced = tcp_v4_mtu_reduced, }; EXPORT_SYMBOL(ipv4_specific); @@ -2406,7 +2408,6 @@ struct proto tcp_prot = { .sendpage = tcp_sendpage, .backlog_rcv = tcp_v4_do_rcv, .release_cb = tcp_release_cb, - .mtu_reduced = tcp_v4_mtu_reduced, .hash = inet_hash, .unhash = inet_unhash, .get_port = inet_csk_get_port, diff --git a/net/ipv4/tcp_metrics.c b/net/ipv4/tcp_metrics.c index 0d54e59b9ea8..ed9c9a91851c 100644 --- a/net/ipv4/tcp_metrics.c +++ b/net/ipv4/tcp_metrics.c @@ -576,7 +576,8 @@ reset: tp->snd_cwnd_stamp = tcp_time_stamp; } -bool tcp_peer_is_proven(struct request_sock *req, struct dst_entry *dst, bool paws_check) +bool tcp_peer_is_proven(struct request_sock *req, struct dst_entry *dst, + bool paws_check, bool timestamps) { struct tcp_metrics_block *tm; bool ret; @@ -589,7 +590,8 @@ bool tcp_peer_is_proven(struct request_sock *req, struct dst_entry *dst, bool pa if (paws_check) { if (tm && (u32)get_seconds() - tm->tcpm_ts_stamp < TCP_PAWS_MSL && - (s32)(tm->tcpm_ts - req->ts_recent) > TCP_PAWS_WINDOW) + ((s32)(tm->tcpm_ts - req->ts_recent) > TCP_PAWS_WINDOW || + !timestamps)) ret = false; else ret = true; diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c index 8fcfc91964ec..5a7c41fbc6d3 100644 --- a/net/ipv4/tcp_output.c +++ b/net/ipv4/tcp_output.c @@ -800,7 +800,7 @@ void tcp_release_cb(struct sock *sk) __sock_put(sk); } if (flags & (1UL << TCP_MTU_REDUCED_DEFERRED)) { - sk->sk_prot->mtu_reduced(sk); + inet_csk(sk)->icsk_af_ops->mtu_reduced(sk); __sock_put(sk); } } @@ -1069,6 +1069,21 @@ static void tcp_adjust_pcount(struct sock *sk, const struct sk_buff *skb, int de tcp_verify_left_out(tp); } +static void tcp_fragment_tstamp(struct sk_buff *skb, struct sk_buff *skb2) +{ + struct skb_shared_info *shinfo = skb_shinfo(skb); + + if (unlikely(shinfo->tx_flags & SKBTX_ANY_TSTAMP) && + !before(shinfo->tskey, TCP_SKB_CB(skb2)->seq)) { + struct skb_shared_info *shinfo2 = skb_shinfo(skb2); + u8 tsflags = shinfo->tx_flags & SKBTX_ANY_TSTAMP; + + shinfo->tx_flags &= ~tsflags; + shinfo2->tx_flags |= tsflags; + swap(shinfo->tskey, shinfo2->tskey); + } +} + /* Function to create two new TCP segments. Shrinks the given segment * to the specified size and appends a new segment with the rest of the * packet to the list. This won't be called frequently, I hope. @@ -1136,6 +1151,7 @@ int tcp_fragment(struct sock *sk, struct sk_buff *skb, u32 len, */ TCP_SKB_CB(buff)->when = TCP_SKB_CB(skb)->when; buff->tstamp = skb->tstamp; + tcp_fragment_tstamp(skb, buff); old_factor = tcp_skb_pcount(skb); @@ -1652,6 +1668,7 @@ static int tso_fragment(struct sock *sk, struct sk_buff *skb, unsigned int len, buff->ip_summed = skb->ip_summed = CHECKSUM_PARTIAL; skb_split(skb, buff, len); + tcp_fragment_tstamp(skb, buff); /* Fix up tso_factor for both original and new SKB. */ tcp_set_skb_tso_segs(sk, skb, mss_now); @@ -1917,8 +1934,11 @@ static bool tcp_write_xmit(struct sock *sk, unsigned int mss_now, int nonagle, tso_segs = tcp_init_tso_segs(sk, skb, mss_now); BUG_ON(!tso_segs); - if (unlikely(tp->repair) && tp->repair_queue == TCP_SEND_QUEUE) + if (unlikely(tp->repair) && tp->repair_queue == TCP_SEND_QUEUE) { + /* "when" is used as a start point for the retransmit timer */ + TCP_SKB_CB(skb)->when = tcp_time_stamp; goto repair; /* Skip network transmission */ + } cwnd_quota = tcp_cwnd_test(tp, skb); if (!cwnd_quota) { diff --git a/net/ipv6/sit.c b/net/ipv6/sit.c index 2e9ba035fb5f..6163f851dc01 100644 --- a/net/ipv6/sit.c +++ b/net/ipv6/sit.c @@ -101,19 +101,19 @@ static struct ip_tunnel *ipip6_tunnel_lookup(struct net *net, for_each_ip_tunnel_rcu(t, sitn->tunnels_r_l[h0 ^ h1]) { if (local == t->parms.iph.saddr && remote == t->parms.iph.daddr && - (!dev || !t->parms.link || dev->iflink == t->parms.link) && + (!dev || !t->parms.link || dev->ifindex == t->parms.link) && (t->dev->flags & IFF_UP)) return t; } for_each_ip_tunnel_rcu(t, sitn->tunnels_r[h0]) { if (remote == t->parms.iph.daddr && - (!dev || !t->parms.link || dev->iflink == t->parms.link) && + (!dev || !t->parms.link || dev->ifindex == t->parms.link) && (t->dev->flags & IFF_UP)) return t; } for_each_ip_tunnel_rcu(t, sitn->tunnels_l[h1]) { if (local == t->parms.iph.saddr && - (!dev || !t->parms.link || dev->iflink == t->parms.link) && + (!dev || !t->parms.link || dev->ifindex == t->parms.link) && (t->dev->flags & IFF_UP)) return t; } diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c index f2ce95502392..29964c3d363c 100644 --- a/net/ipv6/tcp_ipv6.c +++ b/net/ipv6/tcp_ipv6.c @@ -1595,6 +1595,7 @@ static const struct inet_connection_sock_af_ops ipv6_specific = { .compat_setsockopt = compat_ipv6_setsockopt, .compat_getsockopt = compat_ipv6_getsockopt, #endif + .mtu_reduced = tcp_v6_mtu_reduced, }; #ifdef CONFIG_TCP_MD5SIG @@ -1625,6 +1626,7 @@ static const struct inet_connection_sock_af_ops ipv6_mapped = { .compat_setsockopt = compat_ipv6_setsockopt, .compat_getsockopt = compat_ipv6_getsockopt, #endif + .mtu_reduced = tcp_v4_mtu_reduced, }; #ifdef CONFIG_TCP_MD5SIG @@ -1864,7 +1866,6 @@ struct proto tcpv6_prot = { .sendpage = tcp_sendpage, .backlog_rcv = tcp_v6_do_rcv, .release_cb = tcp_release_cb, - .mtu_reduced = tcp_v6_mtu_reduced, .hash = tcp_v6_hash, .unhash = inet_unhash, .get_port = inet_csk_get_port, diff --git a/net/irda/irlap_frame.c b/net/irda/irlap_frame.c index 9ea0c933b9ff..a37998c6273d 100644 --- a/net/irda/irlap_frame.c +++ b/net/irda/irlap_frame.c @@ -622,7 +622,7 @@ void irlap_send_rd_frame(struct irlap_cb *self) frame = (struct rd_frame *)skb_put(tx_skb, 2); frame->caddr = self->caddr; - frame->caddr = RD_RSP | PF_BIT; + frame->control = RD_RSP | PF_BIT; irlap_queue_xmit(self, tx_skb); } diff --git a/net/netfilter/core.c b/net/netfilter/core.c index 1fbab0cdd302..a93c97f106d4 100644 --- a/net/netfilter/core.c +++ b/net/netfilter/core.c @@ -35,11 +35,7 @@ EXPORT_SYMBOL_GPL(nf_ipv6_ops); int nf_register_afinfo(const struct nf_afinfo *afinfo) { - int err; - - err = mutex_lock_interruptible(&afinfo_mutex); - if (err < 0) - return err; + mutex_lock(&afinfo_mutex); RCU_INIT_POINTER(nf_afinfo[afinfo->family], afinfo); mutex_unlock(&afinfo_mutex); return 0; @@ -68,11 +64,8 @@ static DEFINE_MUTEX(nf_hook_mutex); int nf_register_hook(struct nf_hook_ops *reg) { struct nf_hook_ops *elem; - int err; - err = mutex_lock_interruptible(&nf_hook_mutex); - if (err < 0) - return err; + mutex_lock(&nf_hook_mutex); list_for_each_entry(elem, &nf_hooks[reg->pf][reg->hooknum], list) { if (reg->priority < elem->priority) break; diff --git a/net/netfilter/ipvs/ip_vs_ctl.c b/net/netfilter/ipvs/ip_vs_ctl.c index 8416307fdd1d..fd3f444a4f96 100644 --- a/net/netfilter/ipvs/ip_vs_ctl.c +++ b/net/netfilter/ipvs/ip_vs_ctl.c @@ -2271,10 +2271,7 @@ do_ip_vs_set_ctl(struct sock *sk, int cmd, void __user *user, unsigned int len) cmd == IP_VS_SO_SET_STOPDAEMON) { struct ip_vs_daemon_user *dm = (struct ip_vs_daemon_user *)arg; - if (mutex_lock_interruptible(&ipvs->sync_mutex)) { - ret = -ERESTARTSYS; - goto out_dec; - } + mutex_lock(&ipvs->sync_mutex); if (cmd == IP_VS_SO_SET_STARTDAEMON) ret = start_sync_thread(net, dm->state, dm->mcast_ifn, dm->syncid); @@ -2284,11 +2281,7 @@ do_ip_vs_set_ctl(struct sock *sk, int cmd, void __user *user, unsigned int len) goto out_dec; } - if (mutex_lock_interruptible(&__ip_vs_mutex)) { - ret = -ERESTARTSYS; - goto out_dec; - } - + mutex_lock(&__ip_vs_mutex); if (cmd == IP_VS_SO_SET_FLUSH) { /* Flush the virtual service */ ret = ip_vs_flush(net, false); @@ -2573,9 +2566,7 @@ do_ip_vs_get_ctl(struct sock *sk, int cmd, void __user *user, int *len) struct ip_vs_daemon_user d[2]; memset(&d, 0, sizeof(d)); - if (mutex_lock_interruptible(&ipvs->sync_mutex)) - return -ERESTARTSYS; - + mutex_lock(&ipvs->sync_mutex); if (ipvs->sync_state & IP_VS_STATE_MASTER) { d[0].state = IP_VS_STATE_MASTER; strlcpy(d[0].mcast_ifn, ipvs->master_mcast_ifn, @@ -2594,9 +2585,7 @@ do_ip_vs_get_ctl(struct sock *sk, int cmd, void __user *user, int *len) return ret; } - if (mutex_lock_interruptible(&__ip_vs_mutex)) - return -ERESTARTSYS; - + mutex_lock(&__ip_vs_mutex); switch (cmd) { case IP_VS_SO_GET_VERSION: { diff --git a/net/netfilter/nf_sockopt.c b/net/netfilter/nf_sockopt.c index f042ae521557..c68c1e58b362 100644 --- a/net/netfilter/nf_sockopt.c +++ b/net/netfilter/nf_sockopt.c @@ -26,9 +26,7 @@ int nf_register_sockopt(struct nf_sockopt_ops *reg) struct nf_sockopt_ops *ops; int ret = 0; - if (mutex_lock_interruptible(&nf_sockopt_mutex) != 0) - return -EINTR; - + mutex_lock(&nf_sockopt_mutex); list_for_each_entry(ops, &nf_sockopts, list) { if (ops->pf == reg->pf && (overlap(ops->set_optmin, ops->set_optmax, @@ -65,9 +63,7 @@ static struct nf_sockopt_ops *nf_sockopt_find(struct sock *sk, u_int8_t pf, { struct nf_sockopt_ops *ops; - if (mutex_lock_interruptible(&nf_sockopt_mutex) != 0) - return ERR_PTR(-EINTR); - + mutex_lock(&nf_sockopt_mutex); list_for_each_entry(ops, &nf_sockopts, list) { if (ops->pf == pf) { if (!try_module_get(ops->owner)) diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c index b8035c2d6667..deeb95fb7028 100644 --- a/net/netfilter/nf_tables_api.c +++ b/net/netfilter/nf_tables_api.c @@ -899,6 +899,9 @@ static struct nft_stats __percpu *nft_stats_alloc(const struct nlattr *attr) static void nft_chain_stats_replace(struct nft_base_chain *chain, struct nft_stats __percpu *newstats) { + if (newstats == NULL) + return; + if (chain->stats) { struct nft_stats __percpu *oldstats = nft_dereference(chain->stats); @@ -3134,16 +3137,13 @@ static int nft_del_setelem(struct nft_ctx *ctx, struct nft_set *set, goto err2; trans = nft_trans_elem_alloc(ctx, NFT_MSG_DELSETELEM, set); - if (trans == NULL) + if (trans == NULL) { + err = -ENOMEM; goto err2; + } nft_trans_elem(trans) = elem; list_add_tail(&trans->list, &ctx->net->nft.commit_list); - - nft_data_uninit(&elem.key, NFT_DATA_VALUE); - if (set->flags & NFT_SET_MAP) - nft_data_uninit(&elem.data, set->dtype); - return 0; err2: nft_data_uninit(&elem.key, desc.type); @@ -3310,7 +3310,7 @@ static int nf_tables_commit(struct sk_buff *skb) { struct net *net = sock_net(skb->sk); struct nft_trans *trans, *next; - struct nft_set *set; + struct nft_trans_elem *te; /* Bump generation counter, invalidate any dump in progress */ while (++net->nft.base_seq == 0); @@ -3396,13 +3396,17 @@ static int nf_tables_commit(struct sk_buff *skb) nft_trans_destroy(trans); break; case NFT_MSG_DELSETELEM: - nf_tables_setelem_notify(&trans->ctx, - nft_trans_elem_set(trans), - &nft_trans_elem(trans), + te = (struct nft_trans_elem *)trans->data; + nf_tables_setelem_notify(&trans->ctx, te->set, + &te->elem, NFT_MSG_DELSETELEM, 0); - set = nft_trans_elem_set(trans); - set->ops->get(set, &nft_trans_elem(trans)); - set->ops->remove(set, &nft_trans_elem(trans)); + te->set->ops->get(te->set, &te->elem); + te->set->ops->remove(te->set, &te->elem); + nft_data_uninit(&te->elem.key, NFT_DATA_VALUE); + if (te->elem.flags & NFT_SET_MAP) { + nft_data_uninit(&te->elem.data, + te->set->dtype); + } nft_trans_destroy(trans); break; } diff --git a/net/netfilter/x_tables.c b/net/netfilter/x_tables.c index 47b978bc3100..272ae4d6fdf4 100644 --- a/net/netfilter/x_tables.c +++ b/net/netfilter/x_tables.c @@ -71,18 +71,14 @@ static const char *const xt_prefix[NFPROTO_NUMPROTO] = { static const unsigned int xt_jumpstack_multiplier = 2; /* Registration hooks for targets. */ -int -xt_register_target(struct xt_target *target) +int xt_register_target(struct xt_target *target) { u_int8_t af = target->family; - int ret; - ret = mutex_lock_interruptible(&xt[af].mutex); - if (ret != 0) - return ret; + mutex_lock(&xt[af].mutex); list_add(&target->list, &xt[af].target); mutex_unlock(&xt[af].mutex); - return ret; + return 0; } EXPORT_SYMBOL(xt_register_target); @@ -125,20 +121,14 @@ xt_unregister_targets(struct xt_target *target, unsigned int n) } EXPORT_SYMBOL(xt_unregister_targets); -int -xt_register_match(struct xt_match *match) +int xt_register_match(struct xt_match *match) { u_int8_t af = match->family; - int ret; - - ret = mutex_lock_interruptible(&xt[af].mutex); - if (ret != 0) - return ret; + mutex_lock(&xt[af].mutex); list_add(&match->list, &xt[af].match); mutex_unlock(&xt[af].mutex); - - return ret; + return 0; } EXPORT_SYMBOL(xt_register_match); @@ -194,9 +184,7 @@ struct xt_match *xt_find_match(u8 af, const char *name, u8 revision) struct xt_match *m; int err = -ENOENT; - if (mutex_lock_interruptible(&xt[af].mutex) != 0) - return ERR_PTR(-EINTR); - + mutex_lock(&xt[af].mutex); list_for_each_entry(m, &xt[af].match, list) { if (strcmp(m->name, name) == 0) { if (m->revision == revision) { @@ -239,9 +227,7 @@ struct xt_target *xt_find_target(u8 af, const char *name, u8 revision) struct xt_target *t; int err = -ENOENT; - if (mutex_lock_interruptible(&xt[af].mutex) != 0) - return ERR_PTR(-EINTR); - + mutex_lock(&xt[af].mutex); list_for_each_entry(t, &xt[af].target, list) { if (strcmp(t->name, name) == 0) { if (t->revision == revision) { @@ -323,10 +309,7 @@ int xt_find_revision(u8 af, const char *name, u8 revision, int target, { int have_rev, best = -1; - if (mutex_lock_interruptible(&xt[af].mutex) != 0) { - *err = -EINTR; - return 1; - } + mutex_lock(&xt[af].mutex); if (target == 1) have_rev = target_revfn(af, name, revision, &best); else @@ -732,9 +715,7 @@ struct xt_table *xt_find_table_lock(struct net *net, u_int8_t af, { struct xt_table *t; - if (mutex_lock_interruptible(&xt[af].mutex) != 0) - return ERR_PTR(-EINTR); - + mutex_lock(&xt[af].mutex); list_for_each_entry(t, &net->xt.tables[af], list) if (strcmp(t->name, name) == 0 && try_module_get(t->me)) return t; @@ -883,10 +864,7 @@ struct xt_table *xt_register_table(struct net *net, goto out; } - ret = mutex_lock_interruptible(&xt[table->af].mutex); - if (ret != 0) - goto out_free; - + mutex_lock(&xt[table->af].mutex); /* Don't autoload: we'd eat our tail... */ list_for_each_entry(t, &net->xt.tables[table->af], list) { if (strcmp(t->name, table->name) == 0) { @@ -911,9 +889,8 @@ struct xt_table *xt_register_table(struct net *net, mutex_unlock(&xt[table->af].mutex); return table; - unlock: +unlock: mutex_unlock(&xt[table->af].mutex); -out_free: kfree(table); out: return ERR_PTR(ret); diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c index a324b4b34c90..c416725d28c4 100644 --- a/net/netlink/af_netlink.c +++ b/net/netlink/af_netlink.c @@ -213,7 +213,7 @@ static int __netlink_deliver_tap_skb(struct sk_buff *skb, nskb->protocol = htons((u16) sk->sk_protocol); nskb->pkt_type = netlink_is_kernel(sk) ? PACKET_KERNEL : PACKET_USER; - + skb_reset_network_header(nskb); ret = dev_queue_xmit(nskb); if (unlikely(ret > 0)) ret = net_xmit_errno(ret); @@ -2921,6 +2921,7 @@ static struct sock *netlink_seq_socket_idx(struct seq_file *seq, loff_t pos) } static void *netlink_seq_start(struct seq_file *seq, loff_t *pos) + __acquires(RCU) { rcu_read_lock(); return *pos ? netlink_seq_socket_idx(seq, *pos - 1) : SEQ_START_TOKEN; @@ -2970,6 +2971,7 @@ static void *netlink_seq_next(struct seq_file *seq, void *v, loff_t *pos) } static void netlink_seq_stop(struct seq_file *seq, void *v) + __releases(RCU) { rcu_read_unlock(); } diff --git a/net/openvswitch/datapath.c b/net/openvswitch/datapath.c index 7ad3f029baae..7228ec3faf19 100644 --- a/net/openvswitch/datapath.c +++ b/net/openvswitch/datapath.c @@ -47,8 +47,6 @@ #include <linux/openvswitch.h> #include <linux/rculist.h> #include <linux/dmi.h> -#include <linux/genetlink.h> -#include <net/genetlink.h> #include <net/genetlink.h> #include <net/net_namespace.h> #include <net/netns/generic.h> diff --git a/net/openvswitch/vport.c b/net/openvswitch/vport.c index 702fb21bfe15..6d8f2ec481d9 100644 --- a/net/openvswitch/vport.c +++ b/net/openvswitch/vport.c @@ -137,8 +137,10 @@ struct vport *ovs_vport_alloc(int priv_size, const struct vport_ops *ops, vport->ops = ops; INIT_HLIST_NODE(&vport->dp_hash_node); - if (ovs_vport_set_upcall_portids(vport, parms->upcall_portids)) + if (ovs_vport_set_upcall_portids(vport, parms->upcall_portids)) { + kfree(vport); return ERR_PTR(-EINVAL); + } vport->percpu_stats = netdev_alloc_pcpu_stats(struct pcpu_sw_netstats); if (!vport->percpu_stats) { diff --git a/net/sunrpc/addr.c b/net/sunrpc/addr.c index a622ad64acd8..2e0a6f92e563 100644 --- a/net/sunrpc/addr.c +++ b/net/sunrpc/addr.c @@ -176,7 +176,7 @@ static int rpc_parse_scope_id(struct net *net, const char *buf, len = (buf + buflen) - delim - 1; p = kstrndup(delim + 1, len, GFP_KERNEL); if (p) { - unsigned long scope_id = 0; + u32 scope_id = 0; struct net_device *dev; dev = dev_get_by_name(net, p); @@ -184,7 +184,7 @@ static int rpc_parse_scope_id(struct net *net, const char *buf, scope_id = dev->ifindex; dev_put(dev); } else { - if (strict_strtoul(p, 10, &scope_id) == 0) { + if (kstrtou32(p, 10, &scope_id) == 0) { kfree(p); return 0; } @@ -304,7 +304,7 @@ char *rpc_sockaddr2uaddr(const struct sockaddr *sap, gfp_t gfp_flags) * @sap: buffer into which to plant socket address * @salen: size of buffer * - * @uaddr does not have to be '\0'-terminated, but strict_strtoul() and + * @uaddr does not have to be '\0'-terminated, but kstrtou8() and * rpc_pton() require proper string termination to be successful. * * Returns the size of the socket address if successful; otherwise @@ -315,7 +315,7 @@ size_t rpc_uaddr2sockaddr(struct net *net, const char *uaddr, const size_t salen) { char *c, buf[RPCBIND_MAXUADDRLEN + sizeof('\0')]; - unsigned long portlo, porthi; + u8 portlo, porthi; unsigned short port; if (uaddr_len > RPCBIND_MAXUADDRLEN) @@ -327,18 +327,14 @@ size_t rpc_uaddr2sockaddr(struct net *net, const char *uaddr, c = strrchr(buf, '.'); if (unlikely(c == NULL)) return 0; - if (unlikely(strict_strtoul(c + 1, 10, &portlo) != 0)) - return 0; - if (unlikely(portlo > 255)) + if (unlikely(kstrtou8(c + 1, 10, &portlo) != 0)) return 0; *c = '\0'; c = strrchr(buf, '.'); if (unlikely(c == NULL)) return 0; - if (unlikely(strict_strtoul(c + 1, 10, &porthi) != 0)) - return 0; - if (unlikely(porthi > 255)) + if (unlikely(kstrtou8(c + 1, 10, &porthi) != 0)) return 0; port = (unsigned short)((porthi << 8) | portlo); diff --git a/net/sunrpc/auth.c b/net/sunrpc/auth.c index f77366717420..383eb919ac0b 100644 --- a/net/sunrpc/auth.c +++ b/net/sunrpc/auth.c @@ -48,7 +48,7 @@ static int param_set_hashtbl_sz(const char *val, const struct kernel_param *kp) if (!val) goto out_inval; - ret = strict_strtoul(val, 0, &num); + ret = kstrtoul(val, 0, &num); if (ret == -EINVAL) goto out_inval; nbits = fls(num); @@ -80,6 +80,10 @@ static struct kernel_param_ops param_ops_hashtbl_sz = { module_param_named(auth_hashtable_size, auth_hashbits, hashtbl_sz, 0644); MODULE_PARM_DESC(auth_hashtable_size, "RPC credential cache hashtable size"); +static unsigned long auth_max_cred_cachesize = ULONG_MAX; +module_param(auth_max_cred_cachesize, ulong, 0644); +MODULE_PARM_DESC(auth_max_cred_cachesize, "RPC credential maximum total cache size"); + static u32 pseudoflavor_to_flavor(u32 flavor) { if (flavor > RPC_AUTH_MAXFLAVOR) @@ -363,6 +367,15 @@ rpcauth_cred_key_to_expire(struct rpc_cred *cred) } EXPORT_SYMBOL_GPL(rpcauth_cred_key_to_expire); +char * +rpcauth_stringify_acceptor(struct rpc_cred *cred) +{ + if (!cred->cr_ops->crstringify_acceptor) + return NULL; + return cred->cr_ops->crstringify_acceptor(cred); +} +EXPORT_SYMBOL_GPL(rpcauth_stringify_acceptor); + /* * Destroy a list of credentials */ @@ -472,6 +485,20 @@ rpcauth_prune_expired(struct list_head *free, int nr_to_scan) return freed; } +static unsigned long +rpcauth_cache_do_shrink(int nr_to_scan) +{ + LIST_HEAD(free); + unsigned long freed; + + spin_lock(&rpc_credcache_lock); + freed = rpcauth_prune_expired(&free, nr_to_scan); + spin_unlock(&rpc_credcache_lock); + rpcauth_destroy_credlist(&free); + + return freed; +} + /* * Run memory cache shrinker. */ @@ -479,9 +506,6 @@ static unsigned long rpcauth_cache_shrink_scan(struct shrinker *shrink, struct shrink_control *sc) { - LIST_HEAD(free); - unsigned long freed; - if ((sc->gfp_mask & GFP_KERNEL) != GFP_KERNEL) return SHRINK_STOP; @@ -489,12 +513,7 @@ rpcauth_cache_shrink_scan(struct shrinker *shrink, struct shrink_control *sc) if (list_empty(&cred_unused)) return SHRINK_STOP; - spin_lock(&rpc_credcache_lock); - freed = rpcauth_prune_expired(&free, sc->nr_to_scan); - spin_unlock(&rpc_credcache_lock); - rpcauth_destroy_credlist(&free); - - return freed; + return rpcauth_cache_do_shrink(sc->nr_to_scan); } static unsigned long @@ -504,6 +523,21 @@ rpcauth_cache_shrink_count(struct shrinker *shrink, struct shrink_control *sc) return (number_cred_unused / 100) * sysctl_vfs_cache_pressure; } +static void +rpcauth_cache_enforce_limit(void) +{ + unsigned long diff; + unsigned int nr_to_scan; + + if (number_cred_unused <= auth_max_cred_cachesize) + return; + diff = number_cred_unused - auth_max_cred_cachesize; + nr_to_scan = 100; + if (diff < nr_to_scan) + nr_to_scan = diff; + rpcauth_cache_do_shrink(nr_to_scan); +} + /* * Look up a process' credentials in the authentication cache */ @@ -523,6 +557,12 @@ rpcauth_lookup_credcache(struct rpc_auth *auth, struct auth_cred * acred, hlist_for_each_entry_rcu(entry, &cache->hashtable[nr], cr_hash) { if (!entry->cr_ops->crmatch(acred, entry, flags)) continue; + if (flags & RPCAUTH_LOOKUP_RCU) { + if (test_bit(RPCAUTH_CRED_HASHED, &entry->cr_flags) && + !test_bit(RPCAUTH_CRED_NEW, &entry->cr_flags)) + cred = entry; + break; + } spin_lock(&cache->lock); if (test_bit(RPCAUTH_CRED_HASHED, &entry->cr_flags) == 0) { spin_unlock(&cache->lock); @@ -537,6 +577,9 @@ rpcauth_lookup_credcache(struct rpc_auth *auth, struct auth_cred * acred, if (cred != NULL) goto found; + if (flags & RPCAUTH_LOOKUP_RCU) + return ERR_PTR(-ECHILD); + new = auth->au_ops->crcreate(auth, acred, flags); if (IS_ERR(new)) { cred = new; @@ -557,6 +600,7 @@ rpcauth_lookup_credcache(struct rpc_auth *auth, struct auth_cred * acred, } else list_add_tail(&new->cr_lru, &free); spin_unlock(&cache->lock); + rpcauth_cache_enforce_limit(); found: if (test_bit(RPCAUTH_CRED_NEW, &cred->cr_flags) && cred->cr_ops->cr_init != NULL && @@ -586,10 +630,8 @@ rpcauth_lookupcred(struct rpc_auth *auth, int flags) memset(&acred, 0, sizeof(acred)); acred.uid = cred->fsuid; acred.gid = cred->fsgid; - acred.group_info = get_group_info(((struct cred *)cred)->group_info); - + acred.group_info = cred->group_info; ret = auth->au_ops->lookup_cred(auth, &acred, flags); - put_group_info(acred.group_info); return ret; } EXPORT_SYMBOL_GPL(rpcauth_lookupcred); diff --git a/net/sunrpc/auth_generic.c b/net/sunrpc/auth_generic.c index ed04869b2d4f..6f6b829c9e8e 100644 --- a/net/sunrpc/auth_generic.c +++ b/net/sunrpc/auth_generic.c @@ -38,6 +38,12 @@ struct rpc_cred *rpc_lookup_cred(void) } EXPORT_SYMBOL_GPL(rpc_lookup_cred); +struct rpc_cred *rpc_lookup_cred_nonblock(void) +{ + return rpcauth_lookupcred(&generic_auth, RPCAUTH_LOOKUP_RCU); +} +EXPORT_SYMBOL_GPL(rpc_lookup_cred_nonblock); + /* * Public call interface for looking up machine creds. */ diff --git a/net/sunrpc/auth_gss/auth_gss.c b/net/sunrpc/auth_gss/auth_gss.c index b6e440baccc3..afb292cd797d 100644 --- a/net/sunrpc/auth_gss/auth_gss.c +++ b/net/sunrpc/auth_gss/auth_gss.c @@ -183,8 +183,9 @@ gss_cred_get_ctx(struct rpc_cred *cred) struct gss_cl_ctx *ctx = NULL; rcu_read_lock(); - if (gss_cred->gc_ctx) - ctx = gss_get_ctx(gss_cred->gc_ctx); + ctx = rcu_dereference(gss_cred->gc_ctx); + if (ctx) + gss_get_ctx(ctx); rcu_read_unlock(); return ctx; } @@ -262,9 +263,22 @@ gss_fill_context(const void *p, const void *end, struct gss_cl_ctx *ctx, struct p = ERR_PTR(ret); goto err; } - dprintk("RPC: %s Success. gc_expiry %lu now %lu timeout %u\n", - __func__, ctx->gc_expiry, now, timeout); - return q; + + /* is there any trailing data? */ + if (q == end) { + p = q; + goto done; + } + + /* pull in acceptor name (if there is one) */ + p = simple_get_netobj(q, end, &ctx->gc_acceptor); + if (IS_ERR(p)) + goto err; +done: + dprintk("RPC: %s Success. gc_expiry %lu now %lu timeout %u acceptor %.*s\n", + __func__, ctx->gc_expiry, now, timeout, ctx->gc_acceptor.len, + ctx->gc_acceptor.data); + return p; err: dprintk("RPC: %s returns error %ld\n", __func__, -PTR_ERR(p)); return p; @@ -1194,13 +1208,13 @@ gss_destroying_context(struct rpc_cred *cred) { struct gss_cred *gss_cred = container_of(cred, struct gss_cred, gc_base); struct gss_auth *gss_auth = container_of(cred->cr_auth, struct gss_auth, rpc_auth); + struct gss_cl_ctx *ctx = rcu_dereference_protected(gss_cred->gc_ctx, 1); struct rpc_task *task; - if (gss_cred->gc_ctx == NULL || - test_bit(RPCAUTH_CRED_UPTODATE, &cred->cr_flags) == 0) + if (test_bit(RPCAUTH_CRED_UPTODATE, &cred->cr_flags) == 0) return 0; - gss_cred->gc_ctx->gc_proc = RPC_GSS_PROC_DESTROY; + ctx->gc_proc = RPC_GSS_PROC_DESTROY; cred->cr_ops = &gss_nullops; /* Take a reference to ensure the cred will be destroyed either @@ -1225,6 +1239,7 @@ gss_do_free_ctx(struct gss_cl_ctx *ctx) gss_delete_sec_context(&ctx->gc_gss_ctx); kfree(ctx->gc_wire_ctx.data); + kfree(ctx->gc_acceptor.data); kfree(ctx); } @@ -1260,7 +1275,7 @@ gss_destroy_nullcred(struct rpc_cred *cred) { struct gss_cred *gss_cred = container_of(cred, struct gss_cred, gc_base); struct gss_auth *gss_auth = container_of(cred->cr_auth, struct gss_auth, rpc_auth); - struct gss_cl_ctx *ctx = gss_cred->gc_ctx; + struct gss_cl_ctx *ctx = rcu_dereference_protected(gss_cred->gc_ctx, 1); RCU_INIT_POINTER(gss_cred->gc_ctx, NULL); call_rcu(&cred->cr_rcu, gss_free_cred_callback); @@ -1332,6 +1347,36 @@ gss_cred_init(struct rpc_auth *auth, struct rpc_cred *cred) return err; } +static char * +gss_stringify_acceptor(struct rpc_cred *cred) +{ + char *string = NULL; + struct gss_cred *gss_cred = container_of(cred, struct gss_cred, gc_base); + struct gss_cl_ctx *ctx; + struct xdr_netobj *acceptor; + + rcu_read_lock(); + ctx = rcu_dereference(gss_cred->gc_ctx); + if (!ctx) + goto out; + + acceptor = &ctx->gc_acceptor; + + /* no point if there's no string */ + if (!acceptor->len) + goto out; + + string = kmalloc(acceptor->len + 1, GFP_KERNEL); + if (!string) + goto out; + + memcpy(string, acceptor->data, acceptor->len); + string[acceptor->len] = '\0'; +out: + rcu_read_unlock(); + return string; +} + /* * Returns -EACCES if GSS context is NULL or will expire within the * timeout (miliseconds) @@ -1340,15 +1385,16 @@ static int gss_key_timeout(struct rpc_cred *rc) { struct gss_cred *gss_cred = container_of(rc, struct gss_cred, gc_base); + struct gss_cl_ctx *ctx; unsigned long now = jiffies; unsigned long expire; - if (gss_cred->gc_ctx == NULL) - return -EACCES; - - expire = gss_cred->gc_ctx->gc_expiry - (gss_key_expire_timeo * HZ); - - if (time_after(now, expire)) + rcu_read_lock(); + ctx = rcu_dereference(gss_cred->gc_ctx); + if (ctx) + expire = ctx->gc_expiry - (gss_key_expire_timeo * HZ); + rcu_read_unlock(); + if (!ctx || time_after(now, expire)) return -EACCES; return 0; } @@ -1357,13 +1403,19 @@ static int gss_match(struct auth_cred *acred, struct rpc_cred *rc, int flags) { struct gss_cred *gss_cred = container_of(rc, struct gss_cred, gc_base); + struct gss_cl_ctx *ctx; int ret; if (test_bit(RPCAUTH_CRED_NEW, &rc->cr_flags)) goto out; /* Don't match with creds that have expired. */ - if (time_after(jiffies, gss_cred->gc_ctx->gc_expiry)) + rcu_read_lock(); + ctx = rcu_dereference(gss_cred->gc_ctx); + if (!ctx || time_after(jiffies, ctx->gc_expiry)) { + rcu_read_unlock(); return 0; + } + rcu_read_unlock(); if (!test_bit(RPCAUTH_CRED_UPTODATE, &rc->cr_flags)) return 0; out: @@ -1909,29 +1961,31 @@ static const struct rpc_authops authgss_ops = { }; static const struct rpc_credops gss_credops = { - .cr_name = "AUTH_GSS", - .crdestroy = gss_destroy_cred, - .cr_init = gss_cred_init, - .crbind = rpcauth_generic_bind_cred, - .crmatch = gss_match, - .crmarshal = gss_marshal, - .crrefresh = gss_refresh, - .crvalidate = gss_validate, - .crwrap_req = gss_wrap_req, - .crunwrap_resp = gss_unwrap_resp, - .crkey_timeout = gss_key_timeout, + .cr_name = "AUTH_GSS", + .crdestroy = gss_destroy_cred, + .cr_init = gss_cred_init, + .crbind = rpcauth_generic_bind_cred, + .crmatch = gss_match, + .crmarshal = gss_marshal, + .crrefresh = gss_refresh, + .crvalidate = gss_validate, + .crwrap_req = gss_wrap_req, + .crunwrap_resp = gss_unwrap_resp, + .crkey_timeout = gss_key_timeout, + .crstringify_acceptor = gss_stringify_acceptor, }; static const struct rpc_credops gss_nullops = { - .cr_name = "AUTH_GSS", - .crdestroy = gss_destroy_nullcred, - .crbind = rpcauth_generic_bind_cred, - .crmatch = gss_match, - .crmarshal = gss_marshal, - .crrefresh = gss_refresh_null, - .crvalidate = gss_validate, - .crwrap_req = gss_wrap_req, - .crunwrap_resp = gss_unwrap_resp, + .cr_name = "AUTH_GSS", + .crdestroy = gss_destroy_nullcred, + .crbind = rpcauth_generic_bind_cred, + .crmatch = gss_match, + .crmarshal = gss_marshal, + .crrefresh = gss_refresh_null, + .crvalidate = gss_validate, + .crwrap_req = gss_wrap_req, + .crunwrap_resp = gss_unwrap_resp, + .crstringify_acceptor = gss_stringify_acceptor, }; static const struct rpc_pipe_ops gss_upcall_ops_v0 = { diff --git a/net/sunrpc/auth_gss/gss_krb5_crypto.c b/net/sunrpc/auth_gss/gss_krb5_crypto.c index 0f43e894bc0a..f5ed9f6ece06 100644 --- a/net/sunrpc/auth_gss/gss_krb5_crypto.c +++ b/net/sunrpc/auth_gss/gss_krb5_crypto.c @@ -641,7 +641,7 @@ out: u32 gss_krb5_aes_encrypt(struct krb5_ctx *kctx, u32 offset, - struct xdr_buf *buf, int ec, struct page **pages) + struct xdr_buf *buf, struct page **pages) { u32 err; struct xdr_netobj hmac; @@ -684,13 +684,8 @@ gss_krb5_aes_encrypt(struct krb5_ctx *kctx, u32 offset, ecptr = buf->tail[0].iov_base; } - memset(ecptr, 'X', ec); - buf->tail[0].iov_len += ec; - buf->len += ec; - /* copy plaintext gss token header after filler (if any) */ - memcpy(ecptr + ec, buf->head[0].iov_base + offset, - GSS_KRB5_TOK_HDR_LEN); + memcpy(ecptr, buf->head[0].iov_base + offset, GSS_KRB5_TOK_HDR_LEN); buf->tail[0].iov_len += GSS_KRB5_TOK_HDR_LEN; buf->len += GSS_KRB5_TOK_HDR_LEN; diff --git a/net/sunrpc/auth_gss/gss_krb5_seal.c b/net/sunrpc/auth_gss/gss_krb5_seal.c index 62ae3273186c..42768e5c3994 100644 --- a/net/sunrpc/auth_gss/gss_krb5_seal.c +++ b/net/sunrpc/auth_gss/gss_krb5_seal.c @@ -70,31 +70,37 @@ DEFINE_SPINLOCK(krb5_seq_lock); -static char * +static void * setup_token(struct krb5_ctx *ctx, struct xdr_netobj *token) { - __be16 *ptr, *krb5_hdr; + u16 *ptr; + void *krb5_hdr; int body_size = GSS_KRB5_TOK_HDR_LEN + ctx->gk5e->cksumlength; token->len = g_token_size(&ctx->mech_used, body_size); - ptr = (__be16 *)token->data; + ptr = (u16 *)token->data; g_make_token_header(&ctx->mech_used, body_size, (unsigned char **)&ptr); /* ptr now at start of header described in rfc 1964, section 1.2.1: */ krb5_hdr = ptr; *ptr++ = KG_TOK_MIC_MSG; - *ptr++ = cpu_to_le16(ctx->gk5e->signalg); + /* + * signalg is stored as if it were converted from LE to host endian, even + * though it's an opaque pair of bytes according to the RFC. + */ + *ptr++ = (__force u16)cpu_to_le16(ctx->gk5e->signalg); *ptr++ = SEAL_ALG_NONE; - *ptr++ = 0xffff; + *ptr = 0xffff; - return (char *)krb5_hdr; + return krb5_hdr; } static void * setup_token_v2(struct krb5_ctx *ctx, struct xdr_netobj *token) { - __be16 *ptr, *krb5_hdr; + u16 *ptr; + void *krb5_hdr; u8 *p, flags = 0x00; if ((ctx->flags & KRB5_CTX_FLAG_INITIATOR) == 0) @@ -104,15 +110,15 @@ setup_token_v2(struct krb5_ctx *ctx, struct xdr_netobj *token) /* Per rfc 4121, sec 4.2.6.1, there is no header, * just start the token */ - krb5_hdr = ptr = (__be16 *)token->data; + krb5_hdr = ptr = (u16 *)token->data; *ptr++ = KG2_TOK_MIC; p = (u8 *)ptr; *p++ = flags; *p++ = 0xff; - ptr = (__be16 *)p; - *ptr++ = 0xffff; + ptr = (u16 *)p; *ptr++ = 0xffff; + *ptr = 0xffff; token->len = GSS_KRB5_TOK_HDR_LEN + ctx->gk5e->cksumlength; return krb5_hdr; @@ -181,7 +187,7 @@ gss_get_mic_v2(struct krb5_ctx *ctx, struct xdr_buf *text, spin_lock(&krb5_seq_lock); seq_send = ctx->seq_send64++; spin_unlock(&krb5_seq_lock); - *((u64 *)(krb5_hdr + 8)) = cpu_to_be64(seq_send); + *((__be64 *)(krb5_hdr + 8)) = cpu_to_be64(seq_send); if (ctx->initiate) { cksumkey = ctx->initiator_sign; diff --git a/net/sunrpc/auth_gss/gss_krb5_wrap.c b/net/sunrpc/auth_gss/gss_krb5_wrap.c index 42560e55d978..4b614c604fe0 100644 --- a/net/sunrpc/auth_gss/gss_krb5_wrap.c +++ b/net/sunrpc/auth_gss/gss_krb5_wrap.c @@ -201,9 +201,15 @@ gss_wrap_kerberos_v1(struct krb5_ctx *kctx, int offset, msg_start = ptr + GSS_KRB5_TOK_HDR_LEN + kctx->gk5e->cksumlength; - *(__be16 *)(ptr + 2) = cpu_to_le16(kctx->gk5e->signalg); - memset(ptr + 4, 0xff, 4); - *(__be16 *)(ptr + 4) = cpu_to_le16(kctx->gk5e->sealalg); + /* + * signalg and sealalg are stored as if they were converted from LE + * to host endian, even though they're opaque pairs of bytes according + * to the RFC. + */ + *(__le16 *)(ptr + 2) = cpu_to_le16(kctx->gk5e->signalg); + *(__le16 *)(ptr + 4) = cpu_to_le16(kctx->gk5e->sealalg); + ptr[6] = 0xff; + ptr[7] = 0xff; gss_krb5_make_confounder(msg_start, conflen); @@ -438,7 +444,7 @@ gss_wrap_kerberos_v2(struct krb5_ctx *kctx, u32 offset, u8 *ptr, *plainhdr; s32 now; u8 flags = 0x00; - __be16 *be16ptr, ec = 0; + __be16 *be16ptr; __be64 *be64ptr; u32 err; @@ -468,16 +474,16 @@ gss_wrap_kerberos_v2(struct krb5_ctx *kctx, u32 offset, be16ptr = (__be16 *)ptr; blocksize = crypto_blkcipher_blocksize(kctx->acceptor_enc); - *be16ptr++ = cpu_to_be16(ec); + *be16ptr++ = 0; /* "inner" token header always uses 0 for RRC */ - *be16ptr++ = cpu_to_be16(0); + *be16ptr++ = 0; be64ptr = (__be64 *)be16ptr; spin_lock(&krb5_seq_lock); *be64ptr = cpu_to_be64(kctx->seq_send64++); spin_unlock(&krb5_seq_lock); - err = (*kctx->gk5e->encrypt_v2)(kctx, offset, buf, ec, pages); + err = (*kctx->gk5e->encrypt_v2)(kctx, offset, buf, pages); if (err) return err; diff --git a/net/sunrpc/auth_null.c b/net/sunrpc/auth_null.c index f0ebe07978a2..712c123e04e9 100644 --- a/net/sunrpc/auth_null.c +++ b/net/sunrpc/auth_null.c @@ -35,6 +35,8 @@ nul_destroy(struct rpc_auth *auth) static struct rpc_cred * nul_lookup_cred(struct rpc_auth *auth, struct auth_cred *acred, int flags) { + if (flags & RPCAUTH_LOOKUP_RCU) + return &null_cred; return get_rpccred(&null_cred); } diff --git a/net/sunrpc/clnt.c b/net/sunrpc/clnt.c index 2e6ab10734f6..488ddeed9363 100644 --- a/net/sunrpc/clnt.c +++ b/net/sunrpc/clnt.c @@ -1746,6 +1746,7 @@ call_bind_status(struct rpc_task *task) case -EHOSTDOWN: case -EHOSTUNREACH: case -ENETUNREACH: + case -ENOBUFS: case -EPIPE: dprintk("RPC: %5u remote rpcbind unreachable: %d\n", task->tk_pid, task->tk_status); @@ -1812,6 +1813,8 @@ call_connect_status(struct rpc_task *task) case -ECONNABORTED: case -ENETUNREACH: case -EHOSTUNREACH: + case -ENOBUFS: + case -EPIPE: if (RPC_IS_SOFTCONN(task)) break; /* retry with existing socket, after a delay */ @@ -1918,6 +1921,7 @@ call_transmit_status(struct rpc_task *task) case -ECONNRESET: case -ECONNABORTED: case -ENOTCONN: + case -ENOBUFS: case -EPIPE: rpc_task_force_reencode(task); } @@ -2034,6 +2038,7 @@ call_status(struct rpc_task *task) case -ECONNRESET: case -ECONNABORTED: rpc_force_rebind(clnt); + case -ENOBUFS: rpc_delay(task, 3*HZ); case -EPIPE: case -ENOTCONN: diff --git a/net/sunrpc/rpc_pipe.c b/net/sunrpc/rpc_pipe.c index b18554898562..2d12b76b5a64 100644 --- a/net/sunrpc/rpc_pipe.c +++ b/net/sunrpc/rpc_pipe.c @@ -195,7 +195,7 @@ static struct inode * rpc_alloc_inode(struct super_block *sb) { struct rpc_inode *rpci; - rpci = (struct rpc_inode *)kmem_cache_alloc(rpc_inode_cachep, GFP_KERNEL); + rpci = kmem_cache_alloc(rpc_inode_cachep, GFP_KERNEL); if (!rpci) return NULL; return &rpci->vfs_inode; diff --git a/net/sunrpc/xprt.c b/net/sunrpc/xprt.c index 51c63165073c..56e4e150e80e 100644 --- a/net/sunrpc/xprt.c +++ b/net/sunrpc/xprt.c @@ -744,6 +744,7 @@ static void xprt_connect_status(struct rpc_task *task) case -ECONNABORTED: case -ENETUNREACH: case -EHOSTUNREACH: + case -EPIPE: case -EAGAIN: dprintk("RPC: %5u xprt_connect_status: retrying\n", task->tk_pid); break; diff --git a/net/sunrpc/xprtrdma/rpc_rdma.c b/net/sunrpc/xprtrdma/rpc_rdma.c index 693966d3f33b..6166c985fe24 100644 --- a/net/sunrpc/xprtrdma/rpc_rdma.c +++ b/net/sunrpc/xprtrdma/rpc_rdma.c @@ -53,14 +53,6 @@ # define RPCDBG_FACILITY RPCDBG_TRANS #endif -enum rpcrdma_chunktype { - rpcrdma_noch = 0, - rpcrdma_readch, - rpcrdma_areadch, - rpcrdma_writech, - rpcrdma_replych -}; - #ifdef RPC_DEBUG static const char transfertypes[][12] = { "pure inline", /* no chunks */ @@ -279,13 +271,37 @@ rpcrdma_create_chunks(struct rpc_rqst *rqst, struct xdr_buf *target, return (unsigned char *)iptr - (unsigned char *)headerp; out: - for (pos = 0; nchunks--;) - pos += rpcrdma_deregister_external( - &req->rl_segments[pos], r_xprt); + if (r_xprt->rx_ia.ri_memreg_strategy != RPCRDMA_FRMR) { + for (pos = 0; nchunks--;) + pos += rpcrdma_deregister_external( + &req->rl_segments[pos], r_xprt); + } return n; } /* + * Marshal chunks. This routine returns the header length + * consumed by marshaling. + * + * Returns positive RPC/RDMA header size, or negative errno. + */ + +ssize_t +rpcrdma_marshal_chunks(struct rpc_rqst *rqst, ssize_t result) +{ + struct rpcrdma_req *req = rpcr_to_rdmar(rqst); + struct rpcrdma_msg *headerp = (struct rpcrdma_msg *)req->rl_base; + + if (req->rl_rtype != rpcrdma_noch) + result = rpcrdma_create_chunks(rqst, &rqst->rq_snd_buf, + headerp, req->rl_rtype); + else if (req->rl_wtype != rpcrdma_noch) + result = rpcrdma_create_chunks(rqst, &rqst->rq_rcv_buf, + headerp, req->rl_wtype); + return result; +} + +/* * Copy write data inline. * This function is used for "small" requests. Data which is passed * to RPC via iovecs (or page list) is copied directly into the @@ -377,7 +393,6 @@ rpcrdma_marshal_req(struct rpc_rqst *rqst) char *base; size_t rpclen, padlen; ssize_t hdrlen; - enum rpcrdma_chunktype rtype, wtype; struct rpcrdma_msg *headerp; /* @@ -415,13 +430,13 @@ rpcrdma_marshal_req(struct rpc_rqst *rqst) * into pages; otherwise use reply chunks. */ if (rqst->rq_rcv_buf.buflen <= RPCRDMA_INLINE_READ_THRESHOLD(rqst)) - wtype = rpcrdma_noch; + req->rl_wtype = rpcrdma_noch; else if (rqst->rq_rcv_buf.page_len == 0) - wtype = rpcrdma_replych; + req->rl_wtype = rpcrdma_replych; else if (rqst->rq_rcv_buf.flags & XDRBUF_READ) - wtype = rpcrdma_writech; + req->rl_wtype = rpcrdma_writech; else - wtype = rpcrdma_replych; + req->rl_wtype = rpcrdma_replych; /* * Chunks needed for arguments? @@ -438,16 +453,16 @@ rpcrdma_marshal_req(struct rpc_rqst *rqst) * TBD check NFSv4 setacl */ if (rqst->rq_snd_buf.len <= RPCRDMA_INLINE_WRITE_THRESHOLD(rqst)) - rtype = rpcrdma_noch; + req->rl_rtype = rpcrdma_noch; else if (rqst->rq_snd_buf.page_len == 0) - rtype = rpcrdma_areadch; + req->rl_rtype = rpcrdma_areadch; else - rtype = rpcrdma_readch; + req->rl_rtype = rpcrdma_readch; /* The following simplification is not true forever */ - if (rtype != rpcrdma_noch && wtype == rpcrdma_replych) - wtype = rpcrdma_noch; - if (rtype != rpcrdma_noch && wtype != rpcrdma_noch) { + if (req->rl_rtype != rpcrdma_noch && req->rl_wtype == rpcrdma_replych) + req->rl_wtype = rpcrdma_noch; + if (req->rl_rtype != rpcrdma_noch && req->rl_wtype != rpcrdma_noch) { dprintk("RPC: %s: cannot marshal multiple chunk lists\n", __func__); return -EIO; @@ -461,7 +476,7 @@ rpcrdma_marshal_req(struct rpc_rqst *rqst) * When padding is in use and applies to the transfer, insert * it and change the message type. */ - if (rtype == rpcrdma_noch) { + if (req->rl_rtype == rpcrdma_noch) { padlen = rpcrdma_inline_pullup(rqst, RPCRDMA_INLINE_PAD_VALUE(rqst)); @@ -476,7 +491,7 @@ rpcrdma_marshal_req(struct rpc_rqst *rqst) headerp->rm_body.rm_padded.rm_pempty[1] = xdr_zero; headerp->rm_body.rm_padded.rm_pempty[2] = xdr_zero; hdrlen += 2 * sizeof(u32); /* extra words in padhdr */ - if (wtype != rpcrdma_noch) { + if (req->rl_wtype != rpcrdma_noch) { dprintk("RPC: %s: invalid chunk list\n", __func__); return -EIO; @@ -497,30 +512,18 @@ rpcrdma_marshal_req(struct rpc_rqst *rqst) * on receive. Therefore, we request a reply chunk * for non-writes wherever feasible and efficient. */ - if (wtype == rpcrdma_noch) - wtype = rpcrdma_replych; + if (req->rl_wtype == rpcrdma_noch) + req->rl_wtype = rpcrdma_replych; } } - /* - * Marshal chunks. This routine will return the header length - * consumed by marshaling. - */ - if (rtype != rpcrdma_noch) { - hdrlen = rpcrdma_create_chunks(rqst, - &rqst->rq_snd_buf, headerp, rtype); - wtype = rtype; /* simplify dprintk */ - - } else if (wtype != rpcrdma_noch) { - hdrlen = rpcrdma_create_chunks(rqst, - &rqst->rq_rcv_buf, headerp, wtype); - } + hdrlen = rpcrdma_marshal_chunks(rqst, hdrlen); if (hdrlen < 0) return hdrlen; dprintk("RPC: %s: %s: hdrlen %zd rpclen %zd padlen %zd" " headerp 0x%p base 0x%p lkey 0x%x\n", - __func__, transfertypes[wtype], hdrlen, rpclen, padlen, + __func__, transfertypes[req->rl_wtype], hdrlen, rpclen, padlen, headerp, base, req->rl_iov.lkey); /* diff --git a/net/sunrpc/xprtrdma/transport.c b/net/sunrpc/xprtrdma/transport.c index 66f91f0d071a..2faac4940563 100644 --- a/net/sunrpc/xprtrdma/transport.c +++ b/net/sunrpc/xprtrdma/transport.c @@ -296,7 +296,6 @@ xprt_setup_rdma(struct xprt_create *args) xprt->resvport = 0; /* privileged port not needed */ xprt->tsh_size = 0; /* RPC-RDMA handles framing */ - xprt->max_payload = RPCRDMA_MAX_DATA_SEGS * PAGE_SIZE; xprt->ops = &xprt_rdma_procs; /* @@ -382,6 +381,9 @@ xprt_setup_rdma(struct xprt_create *args) new_ep->rep_xprt = xprt; xprt_rdma_format_addresses(xprt); + xprt->max_payload = rpcrdma_max_payload(new_xprt); + dprintk("RPC: %s: transport data payload maximum: %zu bytes\n", + __func__, xprt->max_payload); if (!try_module_get(THIS_MODULE)) goto out4; @@ -412,7 +414,7 @@ xprt_rdma_close(struct rpc_xprt *xprt) if (r_xprt->rx_ep.rep_connected > 0) xprt->reestablish_timeout = 0; xprt_disconnect_done(xprt); - (void) rpcrdma_ep_disconnect(&r_xprt->rx_ep, &r_xprt->rx_ia); + rpcrdma_ep_disconnect(&r_xprt->rx_ep, &r_xprt->rx_ia); } static void @@ -595,13 +597,14 @@ xprt_rdma_send_request(struct rpc_task *task) struct rpc_xprt *xprt = rqst->rq_xprt; struct rpcrdma_req *req = rpcr_to_rdmar(rqst); struct rpcrdma_xprt *r_xprt = rpcx_to_rdmax(xprt); - int rc; + int rc = 0; - if (req->rl_niovs == 0) { + if (req->rl_niovs == 0) rc = rpcrdma_marshal_req(rqst); - if (rc < 0) - goto failed_marshal; - } + else if (r_xprt->rx_ia.ri_memreg_strategy == RPCRDMA_FRMR) + rc = rpcrdma_marshal_chunks(rqst, 0); + if (rc < 0) + goto failed_marshal; if (req->rl_reply == NULL) /* e.g. reconnection */ rpcrdma_recv_buffer_get(req); diff --git a/net/sunrpc/xprtrdma/verbs.c b/net/sunrpc/xprtrdma/verbs.c index 13dbd1c389ff..61c41298b4ea 100644 --- a/net/sunrpc/xprtrdma/verbs.c +++ b/net/sunrpc/xprtrdma/verbs.c @@ -61,6 +61,8 @@ # define RPCDBG_FACILITY RPCDBG_TRANS #endif +static void rpcrdma_reset_frmrs(struct rpcrdma_ia *); + /* * internal functions */ @@ -103,17 +105,6 @@ rpcrdma_run_tasklet(unsigned long data) static DECLARE_TASKLET(rpcrdma_tasklet_g, rpcrdma_run_tasklet, 0UL); -static inline void -rpcrdma_schedule_tasklet(struct rpcrdma_rep *rep) -{ - unsigned long flags; - - spin_lock_irqsave(&rpcrdma_tk_lock_g, flags); - list_add_tail(&rep->rr_list, &rpcrdma_tasklets_g); - spin_unlock_irqrestore(&rpcrdma_tk_lock_g, flags); - tasklet_schedule(&rpcrdma_tasklet_g); -} - static void rpcrdma_qp_async_error_upcall(struct ib_event *event, void *context) { @@ -153,12 +144,7 @@ rpcrdma_sendcq_process_wc(struct ib_wc *wc) if (wc->wr_id == 0ULL) return; if (wc->status != IB_WC_SUCCESS) - return; - - if (wc->opcode == IB_WC_FAST_REG_MR) - frmr->r.frmr.state = FRMR_IS_VALID; - else if (wc->opcode == IB_WC_LOCAL_INV) - frmr->r.frmr.state = FRMR_IS_INVALID; + frmr->r.frmr.fr_state = FRMR_IS_STALE; } static int @@ -217,7 +203,7 @@ rpcrdma_sendcq_upcall(struct ib_cq *cq, void *cq_context) } static void -rpcrdma_recvcq_process_wc(struct ib_wc *wc) +rpcrdma_recvcq_process_wc(struct ib_wc *wc, struct list_head *sched_list) { struct rpcrdma_rep *rep = (struct rpcrdma_rep *)(unsigned long)wc->wr_id; @@ -248,28 +234,38 @@ rpcrdma_recvcq_process_wc(struct ib_wc *wc) } out_schedule: - rpcrdma_schedule_tasklet(rep); + list_add_tail(&rep->rr_list, sched_list); } static int rpcrdma_recvcq_poll(struct ib_cq *cq, struct rpcrdma_ep *ep) { + struct list_head sched_list; struct ib_wc *wcs; int budget, count, rc; + unsigned long flags; + INIT_LIST_HEAD(&sched_list); budget = RPCRDMA_WC_BUDGET / RPCRDMA_POLLSIZE; do { wcs = ep->rep_recv_wcs; rc = ib_poll_cq(cq, RPCRDMA_POLLSIZE, wcs); if (rc <= 0) - return rc; + goto out_schedule; count = rc; while (count-- > 0) - rpcrdma_recvcq_process_wc(wcs++); + rpcrdma_recvcq_process_wc(wcs++, &sched_list); } while (rc == RPCRDMA_POLLSIZE && --budget); - return 0; + rc = 0; + +out_schedule: + spin_lock_irqsave(&rpcrdma_tk_lock_g, flags); + list_splice_tail(&sched_list, &rpcrdma_tasklets_g); + spin_unlock_irqrestore(&rpcrdma_tk_lock_g, flags); + tasklet_schedule(&rpcrdma_tasklet_g); + return rc; } /* @@ -310,6 +306,13 @@ rpcrdma_recvcq_upcall(struct ib_cq *cq, void *cq_context) rpcrdma_recvcq_poll(cq, ep); } +static void +rpcrdma_flush_cqs(struct rpcrdma_ep *ep) +{ + rpcrdma_recvcq_upcall(ep->rep_attr.recv_cq, ep); + rpcrdma_sendcq_upcall(ep->rep_attr.send_cq, ep); +} + #ifdef RPC_DEBUG static const char * const conn[] = { "address resolved", @@ -323,8 +326,16 @@ static const char * const conn[] = { "rejected", "established", "disconnected", - "device removal" + "device removal", + "multicast join", + "multicast error", + "address change", + "timewait exit", }; + +#define CONNECTION_MSG(status) \ + ((status) < ARRAY_SIZE(conn) ? \ + conn[(status)] : "unrecognized connection error") #endif static int @@ -382,23 +393,18 @@ rpcrdma_conn_upcall(struct rdma_cm_id *id, struct rdma_cm_event *event) case RDMA_CM_EVENT_DEVICE_REMOVAL: connstate = -ENODEV; connected: - dprintk("RPC: %s: %s: %pI4:%u (ep 0x%p event 0x%x)\n", - __func__, - (event->event <= 11) ? conn[event->event] : - "unknown connection error", - &addr->sin_addr.s_addr, - ntohs(addr->sin_port), - ep, event->event); atomic_set(&rpcx_to_rdmax(ep->rep_xprt)->rx_buf.rb_credits, 1); dprintk("RPC: %s: %sconnected\n", __func__, connstate > 0 ? "" : "dis"); ep->rep_connected = connstate; ep->rep_func(ep); wake_up_all(&ep->rep_connect_wait); - break; + /*FALLTHROUGH*/ default: - dprintk("RPC: %s: unexpected CM event %d\n", - __func__, event->event); + dprintk("RPC: %s: %pI4:%u (ep 0x%p): %s\n", + __func__, &addr->sin_addr.s_addr, + ntohs(addr->sin_port), ep, + CONNECTION_MSG(event->event)); break; } @@ -558,12 +564,7 @@ rpcrdma_ia_open(struct rpcrdma_xprt *xprt, struct sockaddr *addr, int memreg) if (!ia->ri_id->device->alloc_fmr) { dprintk("RPC: %s: MTHCAFMR registration " "not supported by HCA\n", __func__); -#if RPCRDMA_PERSISTENT_REGISTRATION memreg = RPCRDMA_ALLPHYSICAL; -#else - rc = -ENOMEM; - goto out2; -#endif } } @@ -578,20 +579,16 @@ rpcrdma_ia_open(struct rpcrdma_xprt *xprt, struct sockaddr *addr, int memreg) switch (memreg) { case RPCRDMA_FRMR: break; -#if RPCRDMA_PERSISTENT_REGISTRATION case RPCRDMA_ALLPHYSICAL: mem_priv = IB_ACCESS_LOCAL_WRITE | IB_ACCESS_REMOTE_WRITE | IB_ACCESS_REMOTE_READ; goto register_setup; -#endif case RPCRDMA_MTHCAFMR: if (ia->ri_have_dma_lkey) break; mem_priv = IB_ACCESS_LOCAL_WRITE; -#if RPCRDMA_PERSISTENT_REGISTRATION register_setup: -#endif ia->ri_bind_mem = ib_get_dma_mr(ia->ri_pd, mem_priv); if (IS_ERR(ia->ri_bind_mem)) { printk(KERN_ALERT "%s: ib_get_dma_mr for " @@ -613,6 +610,7 @@ rpcrdma_ia_open(struct rpcrdma_xprt *xprt, struct sockaddr *addr, int memreg) /* Else will do memory reg/dereg for each chunk */ ia->ri_memreg_strategy = memreg; + rwlock_init(&ia->ri_qplock); return 0; out2: rdma_destroy_id(ia->ri_id); @@ -826,10 +824,7 @@ rpcrdma_ep_destroy(struct rpcrdma_ep *ep, struct rpcrdma_ia *ia) cancel_delayed_work_sync(&ep->rep_connect_worker); if (ia->ri_id->qp) { - rc = rpcrdma_ep_disconnect(ep, ia); - if (rc) - dprintk("RPC: %s: rpcrdma_ep_disconnect" - " returned %i\n", __func__, rc); + rpcrdma_ep_disconnect(ep, ia); rdma_destroy_qp(ia->ri_id); ia->ri_id->qp = NULL; } @@ -859,7 +854,7 @@ rpcrdma_ep_destroy(struct rpcrdma_ep *ep, struct rpcrdma_ia *ia) int rpcrdma_ep_connect(struct rpcrdma_ep *ep, struct rpcrdma_ia *ia) { - struct rdma_cm_id *id; + struct rdma_cm_id *id, *old; int rc = 0; int retry_count = 0; @@ -867,13 +862,12 @@ rpcrdma_ep_connect(struct rpcrdma_ep *ep, struct rpcrdma_ia *ia) struct rpcrdma_xprt *xprt; retry: dprintk("RPC: %s: reconnecting...\n", __func__); - rc = rpcrdma_ep_disconnect(ep, ia); - if (rc && rc != -ENOTCONN) - dprintk("RPC: %s: rpcrdma_ep_disconnect" - " status %i\n", __func__, rc); - rpcrdma_clean_cq(ep->rep_attr.recv_cq); - rpcrdma_clean_cq(ep->rep_attr.send_cq); + rpcrdma_ep_disconnect(ep, ia); + rpcrdma_flush_cqs(ep); + + if (ia->ri_memreg_strategy == RPCRDMA_FRMR) + rpcrdma_reset_frmrs(ia); xprt = container_of(ia, struct rpcrdma_xprt, rx_ia); id = rpcrdma_create_id(xprt, ia, @@ -905,9 +899,14 @@ retry: rc = -ENETUNREACH; goto out; } - rdma_destroy_qp(ia->ri_id); - rdma_destroy_id(ia->ri_id); + + write_lock(&ia->ri_qplock); + old = ia->ri_id; ia->ri_id = id; + write_unlock(&ia->ri_qplock); + + rdma_destroy_qp(old); + rdma_destroy_id(old); } else { dprintk("RPC: %s: connecting...\n", __func__); rc = rdma_create_qp(ia->ri_id, ia->ri_pd, &ep->rep_attr); @@ -974,13 +973,12 @@ out: * This call is not reentrant, and must not be made in parallel * on the same endpoint. */ -int +void rpcrdma_ep_disconnect(struct rpcrdma_ep *ep, struct rpcrdma_ia *ia) { int rc; - rpcrdma_clean_cq(ep->rep_attr.recv_cq); - rpcrdma_clean_cq(ep->rep_attr.send_cq); + rpcrdma_flush_cqs(ep); rc = rdma_disconnect(ia->ri_id); if (!rc) { /* returns without wait if not connected */ @@ -992,12 +990,93 @@ rpcrdma_ep_disconnect(struct rpcrdma_ep *ep, struct rpcrdma_ia *ia) dprintk("RPC: %s: rdma_disconnect %i\n", __func__, rc); ep->rep_connected = rc; } +} + +static int +rpcrdma_init_fmrs(struct rpcrdma_ia *ia, struct rpcrdma_buffer *buf) +{ + int mr_access_flags = IB_ACCESS_REMOTE_WRITE | IB_ACCESS_REMOTE_READ; + struct ib_fmr_attr fmr_attr = { + .max_pages = RPCRDMA_MAX_DATA_SEGS, + .max_maps = 1, + .page_shift = PAGE_SHIFT + }; + struct rpcrdma_mw *r; + int i, rc; + + i = (buf->rb_max_requests + 1) * RPCRDMA_MAX_SEGS; + dprintk("RPC: %s: initalizing %d FMRs\n", __func__, i); + + while (i--) { + r = kzalloc(sizeof(*r), GFP_KERNEL); + if (r == NULL) + return -ENOMEM; + + r->r.fmr = ib_alloc_fmr(ia->ri_pd, mr_access_flags, &fmr_attr); + if (IS_ERR(r->r.fmr)) { + rc = PTR_ERR(r->r.fmr); + dprintk("RPC: %s: ib_alloc_fmr failed %i\n", + __func__, rc); + goto out_free; + } + + list_add(&r->mw_list, &buf->rb_mws); + list_add(&r->mw_all, &buf->rb_all); + } + return 0; + +out_free: + kfree(r); + return rc; +} + +static int +rpcrdma_init_frmrs(struct rpcrdma_ia *ia, struct rpcrdma_buffer *buf) +{ + struct rpcrdma_frmr *f; + struct rpcrdma_mw *r; + int i, rc; + + i = (buf->rb_max_requests + 1) * RPCRDMA_MAX_SEGS; + dprintk("RPC: %s: initalizing %d FRMRs\n", __func__, i); + + while (i--) { + r = kzalloc(sizeof(*r), GFP_KERNEL); + if (r == NULL) + return -ENOMEM; + f = &r->r.frmr; + + f->fr_mr = ib_alloc_fast_reg_mr(ia->ri_pd, + ia->ri_max_frmr_depth); + if (IS_ERR(f->fr_mr)) { + rc = PTR_ERR(f->fr_mr); + dprintk("RPC: %s: ib_alloc_fast_reg_mr " + "failed %i\n", __func__, rc); + goto out_free; + } + + f->fr_pgl = ib_alloc_fast_reg_page_list(ia->ri_id->device, + ia->ri_max_frmr_depth); + if (IS_ERR(f->fr_pgl)) { + rc = PTR_ERR(f->fr_pgl); + dprintk("RPC: %s: ib_alloc_fast_reg_page_list " + "failed %i\n", __func__, rc); + + ib_dereg_mr(f->fr_mr); + goto out_free; + } + + list_add(&r->mw_list, &buf->rb_mws); + list_add(&r->mw_all, &buf->rb_all); + } + + return 0; + +out_free: + kfree(r); return rc; } -/* - * Initialize buffer memory - */ int rpcrdma_buffer_create(struct rpcrdma_buffer *buf, struct rpcrdma_ep *ep, struct rpcrdma_ia *ia, struct rpcrdma_create_data_internal *cdata) @@ -1005,7 +1084,6 @@ rpcrdma_buffer_create(struct rpcrdma_buffer *buf, struct rpcrdma_ep *ep, char *p; size_t len, rlen, wlen; int i, rc; - struct rpcrdma_mw *r; buf->rb_max_requests = cdata->max_requests; spin_lock_init(&buf->rb_lock); @@ -1016,28 +1094,12 @@ rpcrdma_buffer_create(struct rpcrdma_buffer *buf, struct rpcrdma_ep *ep, * 2. arrays of struct rpcrdma_req to fill in pointers * 3. array of struct rpcrdma_rep for replies * 4. padding, if any - * 5. mw's, fmr's or frmr's, if any * Send/recv buffers in req/rep need to be registered */ - len = buf->rb_max_requests * (sizeof(struct rpcrdma_req *) + sizeof(struct rpcrdma_rep *)); len += cdata->padding; - switch (ia->ri_memreg_strategy) { - case RPCRDMA_FRMR: - len += buf->rb_max_requests * RPCRDMA_MAX_SEGS * - sizeof(struct rpcrdma_mw); - break; - case RPCRDMA_MTHCAFMR: - /* TBD we are perhaps overallocating here */ - len += (buf->rb_max_requests + 1) * RPCRDMA_MAX_SEGS * - sizeof(struct rpcrdma_mw); - break; - default: - break; - } - /* allocate 1, 4 and 5 in one shot */ p = kzalloc(len, GFP_KERNEL); if (p == NULL) { dprintk("RPC: %s: req_t/rep_t/pad kzalloc(%zd) failed\n", @@ -1064,51 +1126,17 @@ rpcrdma_buffer_create(struct rpcrdma_buffer *buf, struct rpcrdma_ep *ep, p += cdata->padding; INIT_LIST_HEAD(&buf->rb_mws); - r = (struct rpcrdma_mw *)p; + INIT_LIST_HEAD(&buf->rb_all); switch (ia->ri_memreg_strategy) { case RPCRDMA_FRMR: - for (i = buf->rb_max_requests * RPCRDMA_MAX_SEGS; i; i--) { - r->r.frmr.fr_mr = ib_alloc_fast_reg_mr(ia->ri_pd, - ia->ri_max_frmr_depth); - if (IS_ERR(r->r.frmr.fr_mr)) { - rc = PTR_ERR(r->r.frmr.fr_mr); - dprintk("RPC: %s: ib_alloc_fast_reg_mr" - " failed %i\n", __func__, rc); - goto out; - } - r->r.frmr.fr_pgl = ib_alloc_fast_reg_page_list( - ia->ri_id->device, - ia->ri_max_frmr_depth); - if (IS_ERR(r->r.frmr.fr_pgl)) { - rc = PTR_ERR(r->r.frmr.fr_pgl); - dprintk("RPC: %s: " - "ib_alloc_fast_reg_page_list " - "failed %i\n", __func__, rc); - - ib_dereg_mr(r->r.frmr.fr_mr); - goto out; - } - list_add(&r->mw_list, &buf->rb_mws); - ++r; - } + rc = rpcrdma_init_frmrs(ia, buf); + if (rc) + goto out; break; case RPCRDMA_MTHCAFMR: - /* TBD we are perhaps overallocating here */ - for (i = (buf->rb_max_requests+1) * RPCRDMA_MAX_SEGS; i; i--) { - static struct ib_fmr_attr fa = - { RPCRDMA_MAX_DATA_SEGS, 1, PAGE_SHIFT }; - r->r.fmr = ib_alloc_fmr(ia->ri_pd, - IB_ACCESS_REMOTE_WRITE | IB_ACCESS_REMOTE_READ, - &fa); - if (IS_ERR(r->r.fmr)) { - rc = PTR_ERR(r->r.fmr); - dprintk("RPC: %s: ib_alloc_fmr" - " failed %i\n", __func__, rc); - goto out; - } - list_add(&r->mw_list, &buf->rb_mws); - ++r; - } + rc = rpcrdma_init_fmrs(ia, buf); + if (rc) + goto out; break; default: break; @@ -1176,24 +1204,57 @@ out: return rc; } -/* - * Unregister and destroy buffer memory. Need to deal with - * partial initialization, so it's callable from failed create. - * Must be called before destroying endpoint, as registrations - * reference it. - */ +static void +rpcrdma_destroy_fmrs(struct rpcrdma_buffer *buf) +{ + struct rpcrdma_mw *r; + int rc; + + while (!list_empty(&buf->rb_all)) { + r = list_entry(buf->rb_all.next, struct rpcrdma_mw, mw_all); + list_del(&r->mw_all); + list_del(&r->mw_list); + + rc = ib_dealloc_fmr(r->r.fmr); + if (rc) + dprintk("RPC: %s: ib_dealloc_fmr failed %i\n", + __func__, rc); + + kfree(r); + } +} + +static void +rpcrdma_destroy_frmrs(struct rpcrdma_buffer *buf) +{ + struct rpcrdma_mw *r; + int rc; + + while (!list_empty(&buf->rb_all)) { + r = list_entry(buf->rb_all.next, struct rpcrdma_mw, mw_all); + list_del(&r->mw_all); + list_del(&r->mw_list); + + rc = ib_dereg_mr(r->r.frmr.fr_mr); + if (rc) + dprintk("RPC: %s: ib_dereg_mr failed %i\n", + __func__, rc); + ib_free_fast_reg_page_list(r->r.frmr.fr_pgl); + + kfree(r); + } +} + void rpcrdma_buffer_destroy(struct rpcrdma_buffer *buf) { - int rc, i; struct rpcrdma_ia *ia = rdmab_to_ia(buf); - struct rpcrdma_mw *r; + int i; /* clean up in reverse order from create * 1. recv mr memory (mr free, then kfree) * 2. send mr memory (mr free, then kfree) - * 3. padding (if any) [moved to rpcrdma_ep_destroy] - * 4. arrays + * 3. MWs */ dprintk("RPC: %s: entering\n", __func__); @@ -1212,34 +1273,217 @@ rpcrdma_buffer_destroy(struct rpcrdma_buffer *buf) } } + switch (ia->ri_memreg_strategy) { + case RPCRDMA_FRMR: + rpcrdma_destroy_frmrs(buf); + break; + case RPCRDMA_MTHCAFMR: + rpcrdma_destroy_fmrs(buf); + break; + default: + break; + } + + kfree(buf->rb_pool); +} + +/* After a disconnect, a flushed FAST_REG_MR can leave an FRMR in + * an unusable state. Find FRMRs in this state and dereg / reg + * each. FRMRs that are VALID and attached to an rpcrdma_req are + * also torn down. + * + * This gives all in-use FRMRs a fresh rkey and leaves them INVALID. + * + * This is invoked only in the transport connect worker in order + * to serialize with rpcrdma_register_frmr_external(). + */ +static void +rpcrdma_reset_frmrs(struct rpcrdma_ia *ia) +{ + struct rpcrdma_xprt *r_xprt = + container_of(ia, struct rpcrdma_xprt, rx_ia); + struct rpcrdma_buffer *buf = &r_xprt->rx_buf; + struct list_head *pos; + struct rpcrdma_mw *r; + int rc; + + list_for_each(pos, &buf->rb_all) { + r = list_entry(pos, struct rpcrdma_mw, mw_all); + + if (r->r.frmr.fr_state == FRMR_IS_INVALID) + continue; + + rc = ib_dereg_mr(r->r.frmr.fr_mr); + if (rc) + dprintk("RPC: %s: ib_dereg_mr failed %i\n", + __func__, rc); + ib_free_fast_reg_page_list(r->r.frmr.fr_pgl); + + r->r.frmr.fr_mr = ib_alloc_fast_reg_mr(ia->ri_pd, + ia->ri_max_frmr_depth); + if (IS_ERR(r->r.frmr.fr_mr)) { + rc = PTR_ERR(r->r.frmr.fr_mr); + dprintk("RPC: %s: ib_alloc_fast_reg_mr" + " failed %i\n", __func__, rc); + continue; + } + r->r.frmr.fr_pgl = ib_alloc_fast_reg_page_list( + ia->ri_id->device, + ia->ri_max_frmr_depth); + if (IS_ERR(r->r.frmr.fr_pgl)) { + rc = PTR_ERR(r->r.frmr.fr_pgl); + dprintk("RPC: %s: " + "ib_alloc_fast_reg_page_list " + "failed %i\n", __func__, rc); + + ib_dereg_mr(r->r.frmr.fr_mr); + continue; + } + r->r.frmr.fr_state = FRMR_IS_INVALID; + } +} + +/* "*mw" can be NULL when rpcrdma_buffer_get_mrs() fails, leaving + * some req segments uninitialized. + */ +static void +rpcrdma_buffer_put_mr(struct rpcrdma_mw **mw, struct rpcrdma_buffer *buf) +{ + if (*mw) { + list_add_tail(&(*mw)->mw_list, &buf->rb_mws); + *mw = NULL; + } +} + +/* Cycle mw's back in reverse order, and "spin" them. + * This delays and scrambles reuse as much as possible. + */ +static void +rpcrdma_buffer_put_mrs(struct rpcrdma_req *req, struct rpcrdma_buffer *buf) +{ + struct rpcrdma_mr_seg *seg = req->rl_segments; + struct rpcrdma_mr_seg *seg1 = seg; + int i; + + for (i = 1, seg++; i < RPCRDMA_MAX_SEGS; seg++, i++) + rpcrdma_buffer_put_mr(&seg->mr_chunk.rl_mw, buf); + rpcrdma_buffer_put_mr(&seg1->mr_chunk.rl_mw, buf); +} + +static void +rpcrdma_buffer_put_sendbuf(struct rpcrdma_req *req, struct rpcrdma_buffer *buf) +{ + buf->rb_send_bufs[--buf->rb_send_index] = req; + req->rl_niovs = 0; + if (req->rl_reply) { + buf->rb_recv_bufs[--buf->rb_recv_index] = req->rl_reply; + req->rl_reply->rr_func = NULL; + req->rl_reply = NULL; + } +} + +/* rpcrdma_unmap_one() was already done by rpcrdma_deregister_frmr_external(). + * Redo only the ib_post_send(). + */ +static void +rpcrdma_retry_local_inv(struct rpcrdma_mw *r, struct rpcrdma_ia *ia) +{ + struct rpcrdma_xprt *r_xprt = + container_of(ia, struct rpcrdma_xprt, rx_ia); + struct ib_send_wr invalidate_wr, *bad_wr; + int rc; + + dprintk("RPC: %s: FRMR %p is stale\n", __func__, r); + + /* When this FRMR is re-inserted into rb_mws, it is no longer stale */ + r->r.frmr.fr_state = FRMR_IS_INVALID; + + memset(&invalidate_wr, 0, sizeof(invalidate_wr)); + invalidate_wr.wr_id = (unsigned long)(void *)r; + invalidate_wr.opcode = IB_WR_LOCAL_INV; + invalidate_wr.ex.invalidate_rkey = r->r.frmr.fr_mr->rkey; + DECR_CQCOUNT(&r_xprt->rx_ep); + + dprintk("RPC: %s: frmr %p invalidating rkey %08x\n", + __func__, r, r->r.frmr.fr_mr->rkey); + + read_lock(&ia->ri_qplock); + rc = ib_post_send(ia->ri_id->qp, &invalidate_wr, &bad_wr); + read_unlock(&ia->ri_qplock); + if (rc) { + /* Force rpcrdma_buffer_get() to retry */ + r->r.frmr.fr_state = FRMR_IS_STALE; + dprintk("RPC: %s: ib_post_send failed, %i\n", + __func__, rc); + } +} + +static void +rpcrdma_retry_flushed_linv(struct list_head *stale, + struct rpcrdma_buffer *buf) +{ + struct rpcrdma_ia *ia = rdmab_to_ia(buf); + struct list_head *pos; + struct rpcrdma_mw *r; + unsigned long flags; + + list_for_each(pos, stale) { + r = list_entry(pos, struct rpcrdma_mw, mw_list); + rpcrdma_retry_local_inv(r, ia); + } + + spin_lock_irqsave(&buf->rb_lock, flags); + list_splice_tail(stale, &buf->rb_mws); + spin_unlock_irqrestore(&buf->rb_lock, flags); +} + +static struct rpcrdma_req * +rpcrdma_buffer_get_frmrs(struct rpcrdma_req *req, struct rpcrdma_buffer *buf, + struct list_head *stale) +{ + struct rpcrdma_mw *r; + int i; + + i = RPCRDMA_MAX_SEGS - 1; while (!list_empty(&buf->rb_mws)) { r = list_entry(buf->rb_mws.next, - struct rpcrdma_mw, mw_list); + struct rpcrdma_mw, mw_list); list_del(&r->mw_list); - switch (ia->ri_memreg_strategy) { - case RPCRDMA_FRMR: - rc = ib_dereg_mr(r->r.frmr.fr_mr); - if (rc) - dprintk("RPC: %s:" - " ib_dereg_mr" - " failed %i\n", - __func__, rc); - ib_free_fast_reg_page_list(r->r.frmr.fr_pgl); - break; - case RPCRDMA_MTHCAFMR: - rc = ib_dealloc_fmr(r->r.fmr); - if (rc) - dprintk("RPC: %s:" - " ib_dealloc_fmr" - " failed %i\n", - __func__, rc); - break; - default: - break; + if (r->r.frmr.fr_state == FRMR_IS_STALE) { + list_add(&r->mw_list, stale); + continue; } + req->rl_segments[i].mr_chunk.rl_mw = r; + if (unlikely(i-- == 0)) + return req; /* Success */ } - kfree(buf->rb_pool); + /* Not enough entries on rb_mws for this req */ + rpcrdma_buffer_put_sendbuf(req, buf); + rpcrdma_buffer_put_mrs(req, buf); + return NULL; +} + +static struct rpcrdma_req * +rpcrdma_buffer_get_fmrs(struct rpcrdma_req *req, struct rpcrdma_buffer *buf) +{ + struct rpcrdma_mw *r; + int i; + + i = RPCRDMA_MAX_SEGS - 1; + while (!list_empty(&buf->rb_mws)) { + r = list_entry(buf->rb_mws.next, + struct rpcrdma_mw, mw_list); + list_del(&r->mw_list); + req->rl_segments[i].mr_chunk.rl_mw = r; + if (unlikely(i-- == 0)) + return req; /* Success */ + } + + /* Not enough entries on rb_mws for this req */ + rpcrdma_buffer_put_sendbuf(req, buf); + rpcrdma_buffer_put_mrs(req, buf); + return NULL; } /* @@ -1254,10 +1498,10 @@ rpcrdma_buffer_destroy(struct rpcrdma_buffer *buf) struct rpcrdma_req * rpcrdma_buffer_get(struct rpcrdma_buffer *buffers) { + struct rpcrdma_ia *ia = rdmab_to_ia(buffers); + struct list_head stale; struct rpcrdma_req *req; unsigned long flags; - int i; - struct rpcrdma_mw *r; spin_lock_irqsave(&buffers->rb_lock, flags); if (buffers->rb_send_index == buffers->rb_max_requests) { @@ -1277,16 +1521,21 @@ rpcrdma_buffer_get(struct rpcrdma_buffer *buffers) buffers->rb_recv_bufs[buffers->rb_recv_index++] = NULL; } buffers->rb_send_bufs[buffers->rb_send_index++] = NULL; - if (!list_empty(&buffers->rb_mws)) { - i = RPCRDMA_MAX_SEGS - 1; - do { - r = list_entry(buffers->rb_mws.next, - struct rpcrdma_mw, mw_list); - list_del(&r->mw_list); - req->rl_segments[i].mr_chunk.rl_mw = r; - } while (--i >= 0); + + INIT_LIST_HEAD(&stale); + switch (ia->ri_memreg_strategy) { + case RPCRDMA_FRMR: + req = rpcrdma_buffer_get_frmrs(req, buffers, &stale); + break; + case RPCRDMA_MTHCAFMR: + req = rpcrdma_buffer_get_fmrs(req, buffers); + break; + default: + break; } spin_unlock_irqrestore(&buffers->rb_lock, flags); + if (!list_empty(&stale)) + rpcrdma_retry_flushed_linv(&stale, buffers); return req; } @@ -1299,34 +1548,14 @@ rpcrdma_buffer_put(struct rpcrdma_req *req) { struct rpcrdma_buffer *buffers = req->rl_buffer; struct rpcrdma_ia *ia = rdmab_to_ia(buffers); - int i; unsigned long flags; spin_lock_irqsave(&buffers->rb_lock, flags); - buffers->rb_send_bufs[--buffers->rb_send_index] = req; - req->rl_niovs = 0; - if (req->rl_reply) { - buffers->rb_recv_bufs[--buffers->rb_recv_index] = req->rl_reply; - req->rl_reply->rr_func = NULL; - req->rl_reply = NULL; - } + rpcrdma_buffer_put_sendbuf(req, buffers); switch (ia->ri_memreg_strategy) { case RPCRDMA_FRMR: case RPCRDMA_MTHCAFMR: - /* - * Cycle mw's back in reverse order, and "spin" them. - * This delays and scrambles reuse as much as possible. - */ - i = 1; - do { - struct rpcrdma_mw **mw; - mw = &req->rl_segments[i].mr_chunk.rl_mw; - list_add_tail(&(*mw)->mw_list, &buffers->rb_mws); - *mw = NULL; - } while (++i < RPCRDMA_MAX_SEGS); - list_add_tail(&req->rl_segments[0].mr_chunk.rl_mw->mw_list, - &buffers->rb_mws); - req->rl_segments[0].mr_chunk.rl_mw = NULL; + rpcrdma_buffer_put_mrs(req, buffers); break; default: break; @@ -1388,6 +1617,9 @@ rpcrdma_register_internal(struct rpcrdma_ia *ia, void *va, int len, */ iov->addr = ib_dma_map_single(ia->ri_id->device, va, len, DMA_BIDIRECTIONAL); + if (ib_dma_mapping_error(ia->ri_id->device, iov->addr)) + return -ENOMEM; + iov->length = len; if (ia->ri_have_dma_lkey) { @@ -1483,8 +1715,10 @@ rpcrdma_register_frmr_external(struct rpcrdma_mr_seg *seg, struct rpcrdma_xprt *r_xprt) { struct rpcrdma_mr_seg *seg1 = seg; - struct ib_send_wr invalidate_wr, frmr_wr, *bad_wr, *post_wr; - + struct rpcrdma_mw *mw = seg1->mr_chunk.rl_mw; + struct rpcrdma_frmr *frmr = &mw->r.frmr; + struct ib_mr *mr = frmr->fr_mr; + struct ib_send_wr fastreg_wr, *bad_wr; u8 key; int len, pageoff; int i, rc; @@ -1502,8 +1736,7 @@ rpcrdma_register_frmr_external(struct rpcrdma_mr_seg *seg, rpcrdma_map_one(ia, seg, writing); pa = seg->mr_dma; for (seg_len = seg->mr_len; seg_len > 0; seg_len -= PAGE_SIZE) { - seg1->mr_chunk.rl_mw->r.frmr.fr_pgl-> - page_list[page_no++] = pa; + frmr->fr_pgl->page_list[page_no++] = pa; pa += PAGE_SIZE; } len += seg->mr_len; @@ -1515,65 +1748,51 @@ rpcrdma_register_frmr_external(struct rpcrdma_mr_seg *seg, break; } dprintk("RPC: %s: Using frmr %p to map %d segments\n", - __func__, seg1->mr_chunk.rl_mw, i); - - if (unlikely(seg1->mr_chunk.rl_mw->r.frmr.state == FRMR_IS_VALID)) { - dprintk("RPC: %s: frmr %x left valid, posting invalidate.\n", - __func__, - seg1->mr_chunk.rl_mw->r.frmr.fr_mr->rkey); - /* Invalidate before using. */ - memset(&invalidate_wr, 0, sizeof invalidate_wr); - invalidate_wr.wr_id = (unsigned long)(void *)seg1->mr_chunk.rl_mw; - invalidate_wr.next = &frmr_wr; - invalidate_wr.opcode = IB_WR_LOCAL_INV; - invalidate_wr.send_flags = IB_SEND_SIGNALED; - invalidate_wr.ex.invalidate_rkey = - seg1->mr_chunk.rl_mw->r.frmr.fr_mr->rkey; - DECR_CQCOUNT(&r_xprt->rx_ep); - post_wr = &invalidate_wr; - } else - post_wr = &frmr_wr; - - /* Prepare FRMR WR */ - memset(&frmr_wr, 0, sizeof frmr_wr); - frmr_wr.wr_id = (unsigned long)(void *)seg1->mr_chunk.rl_mw; - frmr_wr.opcode = IB_WR_FAST_REG_MR; - frmr_wr.send_flags = IB_SEND_SIGNALED; - frmr_wr.wr.fast_reg.iova_start = seg1->mr_dma; - frmr_wr.wr.fast_reg.page_list = seg1->mr_chunk.rl_mw->r.frmr.fr_pgl; - frmr_wr.wr.fast_reg.page_list_len = page_no; - frmr_wr.wr.fast_reg.page_shift = PAGE_SHIFT; - frmr_wr.wr.fast_reg.length = page_no << PAGE_SHIFT; - if (frmr_wr.wr.fast_reg.length < len) { - while (seg1->mr_nsegs--) - rpcrdma_unmap_one(ia, seg++); - return -EIO; + __func__, mw, i); + + frmr->fr_state = FRMR_IS_VALID; + + memset(&fastreg_wr, 0, sizeof(fastreg_wr)); + fastreg_wr.wr_id = (unsigned long)(void *)mw; + fastreg_wr.opcode = IB_WR_FAST_REG_MR; + fastreg_wr.wr.fast_reg.iova_start = seg1->mr_dma; + fastreg_wr.wr.fast_reg.page_list = frmr->fr_pgl; + fastreg_wr.wr.fast_reg.page_list_len = page_no; + fastreg_wr.wr.fast_reg.page_shift = PAGE_SHIFT; + fastreg_wr.wr.fast_reg.length = page_no << PAGE_SHIFT; + if (fastreg_wr.wr.fast_reg.length < len) { + rc = -EIO; + goto out_err; } /* Bump the key */ - key = (u8)(seg1->mr_chunk.rl_mw->r.frmr.fr_mr->rkey & 0x000000FF); - ib_update_fast_reg_key(seg1->mr_chunk.rl_mw->r.frmr.fr_mr, ++key); + key = (u8)(mr->rkey & 0x000000FF); + ib_update_fast_reg_key(mr, ++key); - frmr_wr.wr.fast_reg.access_flags = (writing ? + fastreg_wr.wr.fast_reg.access_flags = (writing ? IB_ACCESS_REMOTE_WRITE | IB_ACCESS_LOCAL_WRITE : IB_ACCESS_REMOTE_READ); - frmr_wr.wr.fast_reg.rkey = seg1->mr_chunk.rl_mw->r.frmr.fr_mr->rkey; + fastreg_wr.wr.fast_reg.rkey = mr->rkey; DECR_CQCOUNT(&r_xprt->rx_ep); - rc = ib_post_send(ia->ri_id->qp, post_wr, &bad_wr); - + rc = ib_post_send(ia->ri_id->qp, &fastreg_wr, &bad_wr); if (rc) { dprintk("RPC: %s: failed ib_post_send for register," " status %i\n", __func__, rc); - while (i--) - rpcrdma_unmap_one(ia, --seg); + ib_update_fast_reg_key(mr, --key); + goto out_err; } else { - seg1->mr_rkey = seg1->mr_chunk.rl_mw->r.frmr.fr_mr->rkey; + seg1->mr_rkey = mr->rkey; seg1->mr_base = seg1->mr_dma + pageoff; seg1->mr_nsegs = i; seg1->mr_len = len; } *nsegs = i; + return 0; +out_err: + frmr->fr_state = FRMR_IS_INVALID; + while (i--) + rpcrdma_unmap_one(ia, --seg); return rc; } @@ -1585,20 +1804,25 @@ rpcrdma_deregister_frmr_external(struct rpcrdma_mr_seg *seg, struct ib_send_wr invalidate_wr, *bad_wr; int rc; - while (seg1->mr_nsegs--) - rpcrdma_unmap_one(ia, seg++); + seg1->mr_chunk.rl_mw->r.frmr.fr_state = FRMR_IS_INVALID; memset(&invalidate_wr, 0, sizeof invalidate_wr); invalidate_wr.wr_id = (unsigned long)(void *)seg1->mr_chunk.rl_mw; invalidate_wr.opcode = IB_WR_LOCAL_INV; - invalidate_wr.send_flags = IB_SEND_SIGNALED; invalidate_wr.ex.invalidate_rkey = seg1->mr_chunk.rl_mw->r.frmr.fr_mr->rkey; DECR_CQCOUNT(&r_xprt->rx_ep); + read_lock(&ia->ri_qplock); + while (seg1->mr_nsegs--) + rpcrdma_unmap_one(ia, seg++); rc = ib_post_send(ia->ri_id->qp, &invalidate_wr, &bad_wr); - if (rc) + read_unlock(&ia->ri_qplock); + if (rc) { + /* Force rpcrdma_buffer_get() to retry */ + seg1->mr_chunk.rl_mw->r.frmr.fr_state = FRMR_IS_STALE; dprintk("RPC: %s: failed ib_post_send for invalidate," " status %i\n", __func__, rc); + } return rc; } @@ -1656,8 +1880,10 @@ rpcrdma_deregister_fmr_external(struct rpcrdma_mr_seg *seg, list_add(&seg1->mr_chunk.rl_mw->r.fmr->list, &l); rc = ib_unmap_fmr(&l); + read_lock(&ia->ri_qplock); while (seg1->mr_nsegs--) rpcrdma_unmap_one(ia, seg++); + read_unlock(&ia->ri_qplock); if (rc) dprintk("RPC: %s: failed ib_unmap_fmr," " status %i\n", __func__, rc); @@ -1673,7 +1899,6 @@ rpcrdma_register_external(struct rpcrdma_mr_seg *seg, switch (ia->ri_memreg_strategy) { -#if RPCRDMA_PERSISTENT_REGISTRATION case RPCRDMA_ALLPHYSICAL: rpcrdma_map_one(ia, seg, writing); seg->mr_rkey = ia->ri_bind_mem->rkey; @@ -1681,7 +1906,6 @@ rpcrdma_register_external(struct rpcrdma_mr_seg *seg, seg->mr_nsegs = 1; nsegs = 1; break; -#endif /* Registration using frmr registration */ case RPCRDMA_FRMR: @@ -1711,11 +1935,11 @@ rpcrdma_deregister_external(struct rpcrdma_mr_seg *seg, switch (ia->ri_memreg_strategy) { -#if RPCRDMA_PERSISTENT_REGISTRATION case RPCRDMA_ALLPHYSICAL: + read_lock(&ia->ri_qplock); rpcrdma_unmap_one(ia, seg); + read_unlock(&ia->ri_qplock); break; -#endif case RPCRDMA_FRMR: rc = rpcrdma_deregister_frmr_external(seg, ia, r_xprt); @@ -1809,3 +2033,44 @@ rpcrdma_ep_post_recv(struct rpcrdma_ia *ia, rc); return rc; } + +/* Physical mapping means one Read/Write list entry per-page. + * All list entries must fit within an inline buffer + * + * NB: The server must return a Write list for NFS READ, + * which has the same constraint. Factor in the inline + * rsize as well. + */ +static size_t +rpcrdma_physical_max_payload(struct rpcrdma_xprt *r_xprt) +{ + struct rpcrdma_create_data_internal *cdata = &r_xprt->rx_data; + unsigned int inline_size, pages; + + inline_size = min_t(unsigned int, + cdata->inline_wsize, cdata->inline_rsize); + inline_size -= RPCRDMA_HDRLEN_MIN; + pages = inline_size / sizeof(struct rpcrdma_segment); + return pages << PAGE_SHIFT; +} + +static size_t +rpcrdma_mr_max_payload(struct rpcrdma_xprt *r_xprt) +{ + return RPCRDMA_MAX_DATA_SEGS << PAGE_SHIFT; +} + +size_t +rpcrdma_max_payload(struct rpcrdma_xprt *r_xprt) +{ + size_t result; + + switch (r_xprt->rx_ia.ri_memreg_strategy) { + case RPCRDMA_ALLPHYSICAL: + result = rpcrdma_physical_max_payload(r_xprt); + break; + default: + result = rpcrdma_mr_max_payload(r_xprt); + } + return result; +} diff --git a/net/sunrpc/xprtrdma/xprt_rdma.h b/net/sunrpc/xprtrdma/xprt_rdma.h index 89e7cd479705..c419498b8f46 100644 --- a/net/sunrpc/xprtrdma/xprt_rdma.h +++ b/net/sunrpc/xprtrdma/xprt_rdma.h @@ -59,6 +59,7 @@ * Interface Adapter -- one per transport instance */ struct rpcrdma_ia { + rwlock_t ri_qplock; struct rdma_cm_id *ri_id; struct ib_pd *ri_pd; struct ib_mr *ri_bind_mem; @@ -98,6 +99,14 @@ struct rpcrdma_ep { #define INIT_CQCOUNT(ep) atomic_set(&(ep)->rep_cqcount, (ep)->rep_cqinit) #define DECR_CQCOUNT(ep) atomic_sub_return(1, &(ep)->rep_cqcount) +enum rpcrdma_chunktype { + rpcrdma_noch = 0, + rpcrdma_readch, + rpcrdma_areadch, + rpcrdma_writech, + rpcrdma_replych +}; + /* * struct rpcrdma_rep -- this structure encapsulates state required to recv * and complete a reply, asychronously. It needs several pieces of @@ -137,6 +146,40 @@ struct rpcrdma_rep { }; /* + * struct rpcrdma_mw - external memory region metadata + * + * An external memory region is any buffer or page that is registered + * on the fly (ie, not pre-registered). + * + * Each rpcrdma_buffer has a list of free MWs anchored in rb_mws. During + * call_allocate, rpcrdma_buffer_get() assigns one to each segment in + * an rpcrdma_req. Then rpcrdma_register_external() grabs these to keep + * track of registration metadata while each RPC is pending. + * rpcrdma_deregister_external() uses this metadata to unmap and + * release these resources when an RPC is complete. + */ +enum rpcrdma_frmr_state { + FRMR_IS_INVALID, /* ready to be used */ + FRMR_IS_VALID, /* in use */ + FRMR_IS_STALE, /* failed completion */ +}; + +struct rpcrdma_frmr { + struct ib_fast_reg_page_list *fr_pgl; + struct ib_mr *fr_mr; + enum rpcrdma_frmr_state fr_state; +}; + +struct rpcrdma_mw { + union { + struct ib_fmr *fmr; + struct rpcrdma_frmr frmr; + } r; + struct list_head mw_list; + struct list_head mw_all; +}; + +/* * struct rpcrdma_req -- structure central to the request/reply sequence. * * N of these are associated with a transport instance, and stored in @@ -163,17 +206,7 @@ struct rpcrdma_rep { struct rpcrdma_mr_seg { /* chunk descriptors */ union { /* chunk memory handles */ struct ib_mr *rl_mr; /* if registered directly */ - struct rpcrdma_mw { /* if registered from region */ - union { - struct ib_fmr *fmr; - struct { - struct ib_fast_reg_page_list *fr_pgl; - struct ib_mr *fr_mr; - enum { FRMR_IS_INVALID, FRMR_IS_VALID } state; - } frmr; - } r; - struct list_head mw_list; - } *rl_mw; + struct rpcrdma_mw *rl_mw; /* if registered from region */ } mr_chunk; u64 mr_base; /* registration result */ u32 mr_rkey; /* registration result */ @@ -191,6 +224,7 @@ struct rpcrdma_req { unsigned int rl_niovs; /* 0, 2 or 4 */ unsigned int rl_nchunks; /* non-zero if chunks */ unsigned int rl_connect_cookie; /* retry detection */ + enum rpcrdma_chunktype rl_rtype, rl_wtype; struct rpcrdma_buffer *rl_buffer; /* home base for this structure */ struct rpcrdma_rep *rl_reply;/* holder for reply buffer */ struct rpcrdma_mr_seg rl_segments[RPCRDMA_MAX_SEGS];/* chunk segments */ @@ -214,6 +248,7 @@ struct rpcrdma_buffer { atomic_t rb_credits; /* most recent server credits */ int rb_max_requests;/* client max requests */ struct list_head rb_mws; /* optional memory windows/fmrs/frmrs */ + struct list_head rb_all; int rb_send_index; struct rpcrdma_req **rb_send_bufs; int rb_recv_index; @@ -306,7 +341,7 @@ int rpcrdma_ep_create(struct rpcrdma_ep *, struct rpcrdma_ia *, struct rpcrdma_create_data_internal *); void rpcrdma_ep_destroy(struct rpcrdma_ep *, struct rpcrdma_ia *); int rpcrdma_ep_connect(struct rpcrdma_ep *, struct rpcrdma_ia *); -int rpcrdma_ep_disconnect(struct rpcrdma_ep *, struct rpcrdma_ia *); +void rpcrdma_ep_disconnect(struct rpcrdma_ep *, struct rpcrdma_ia *); int rpcrdma_ep_post(struct rpcrdma_ia *, struct rpcrdma_ep *, struct rpcrdma_req *); @@ -346,7 +381,9 @@ void rpcrdma_reply_handler(struct rpcrdma_rep *); /* * RPC/RDMA protocol calls - xprtrdma/rpc_rdma.c */ +ssize_t rpcrdma_marshal_chunks(struct rpc_rqst *, ssize_t); int rpcrdma_marshal_req(struct rpc_rqst *); +size_t rpcrdma_max_payload(struct rpcrdma_xprt *); /* Temporary NFS request map cache. Created in svc_rdma.c */ extern struct kmem_cache *svc_rdma_map_cachep; diff --git a/net/sunrpc/xprtsock.c b/net/sunrpc/xprtsock.c index be8bbd5d65ec..43cd89eacfab 100644 --- a/net/sunrpc/xprtsock.c +++ b/net/sunrpc/xprtsock.c @@ -594,6 +594,7 @@ static int xs_local_send_request(struct rpc_task *task) } switch (status) { + case -ENOBUFS: case -EAGAIN: status = xs_nospace(task); break; @@ -661,6 +662,7 @@ static int xs_udp_send_request(struct rpc_task *task) dprintk("RPC: sendmsg returned unrecognized error %d\n", -status); case -ENETUNREACH: + case -ENOBUFS: case -EPIPE: case -ECONNREFUSED: /* When the server has died, an ICMP port unreachable message @@ -758,6 +760,7 @@ static int xs_tcp_send_request(struct rpc_task *task) status = -ENOTCONN; /* Should we call xs_close() here? */ break; + case -ENOBUFS: case -EAGAIN: status = xs_nospace(task); break; @@ -1946,6 +1949,7 @@ static int xs_local_setup_socket(struct sock_xprt *transport) dprintk("RPC: xprt %p connected to %s\n", xprt, xprt->address_strings[RPC_DISPLAY_ADDR]); xprt_set_connected(xprt); + case -ENOBUFS: break; case -ENOENT: dprintk("RPC: xprt %p: socket %s does not exist\n", @@ -2281,6 +2285,7 @@ static void xs_tcp_setup_socket(struct work_struct *work) case -ECONNREFUSED: case -ECONNRESET: case -ENETUNREACH: + case -ENOBUFS: /* retry with existing socket, after a delay */ goto out; } @@ -3054,12 +3059,12 @@ static int param_set_uint_minmax(const char *val, const struct kernel_param *kp, unsigned int min, unsigned int max) { - unsigned long num; + unsigned int num; int ret; if (!val) return -EINVAL; - ret = strict_strtoul(val, 0, &num); + ret = kstrtouint(val, 0, &num); if (ret == -EINVAL || num < min || num > max) return -EINVAL; *((unsigned int *)kp->arg) = num; diff --git a/scripts/Kbuild.include b/scripts/Kbuild.include index 122f95c95869..8a9a4e1c7eab 100644 --- a/scripts/Kbuild.include +++ b/scripts/Kbuild.include @@ -215,11 +215,13 @@ else arg-check = $(if $(strip $(cmd_$@)),,1) endif -# >'< substitution is for echo to work, -# >$< substitution to preserve $ when reloading .cmd file -# note: when using inline perl scripts [perl -e '...$$t=1;...'] -# in $(cmd_xxx) double $$ your perl vars -make-cmd = $(subst \\,\\\\,$(subst \#,\\\#,$(subst $$,$$$$,$(call escsq,$(cmd_$(1)))))) +# Replace >$< with >$$< to preserve $ when reloading the .cmd file +# (needed for make) +# Replace >#< with >\#< to avoid starting a comment in the .cmd file +# (needed for make) +# Replace >'< with >'\''< to be able to enclose the whole string in '...' +# (needed for the shell) +make-cmd = $(call escsq,$(subst \#,\\\#,$(subst $$,$$$$,$(cmd_$(1))))) # Find any prerequisites that is newer than target or that does not exist. # PHONY targets skipped in both cases. @@ -230,7 +232,7 @@ any-prereq = $(filter-out $(PHONY),$?) $(filter-out $(PHONY) $(wildcard $^),$^) if_changed = $(if $(strip $(any-prereq) $(arg-check)), \ @set -e; \ $(echo-cmd) $(cmd_$(1)); \ - echo 'cmd_$@ := $(make-cmd)' > $(dot-target).cmd) + printf '%s\n' 'cmd_$@ := $(make-cmd)' > $(dot-target).cmd) # Execute the command and also postprocess generated .d dependencies file. if_changed_dep = $(if $(strip $(any-prereq) $(arg-check) ), \ diff --git a/scripts/Makefile.clean b/scripts/Makefile.clean index 686cb0d31c7c..a651cee84f2a 100644 --- a/scripts/Makefile.clean +++ b/scripts/Makefile.clean @@ -40,8 +40,8 @@ subdir-ymn := $(addprefix $(obj)/,$(subdir-ymn)) # build a list of files to remove, usually relative to the current # directory -__clean-files := $(extra-y) $(always) \ - $(targets) $(clean-files) \ +__clean-files := $(extra-y) $(extra-m) $(extra-) \ + $(always) $(targets) $(clean-files) \ $(host-progs) \ $(hostprogs-y) $(hostprogs-m) $(hostprogs-) diff --git a/scripts/Makefile.extrawarn b/scripts/Makefile.extrawarn index 65643506c71c..f734033af219 100644 --- a/scripts/Makefile.extrawarn +++ b/scripts/Makefile.extrawarn @@ -26,16 +26,6 @@ warning-1 += $(call cc-option, -Wmissing-include-dirs) warning-1 += $(call cc-option, -Wunused-but-set-variable) warning-1 += $(call cc-disable-warning, missing-field-initializers) -# Clang -warning-1 += $(call cc-disable-warning, initializer-overrides) -warning-1 += $(call cc-disable-warning, unused-value) -warning-1 += $(call cc-disable-warning, format) -warning-1 += $(call cc-disable-warning, unknown-warning-option) -warning-1 += $(call cc-disable-warning, sign-compare) -warning-1 += $(call cc-disable-warning, format-zero-length) -warning-1 += $(call cc-disable-warning, uninitialized) -warning-1 += $(call cc-option, -fcatch-undefined-behavior) - warning-2 := -Waggregate-return warning-2 += -Wcast-align warning-2 += -Wdisabled-optimization @@ -64,4 +54,15 @@ ifeq ("$(strip $(warning))","") endif KBUILD_CFLAGS += $(warning) +else + +ifeq ($(COMPILER),clang) +KBUILD_CFLAGS += $(call cc-disable-warning, initializer-overrides) +KBUILD_CFLAGS += $(call cc-disable-warning, unused-value) +KBUILD_CFLAGS += $(call cc-disable-warning, format) +KBUILD_CFLAGS += $(call cc-disable-warning, unknown-warning-option) +KBUILD_CFLAGS += $(call cc-disable-warning, sign-compare) +KBUILD_CFLAGS += $(call cc-disable-warning, format-zero-length) +KBUILD_CFLAGS += $(call cc-disable-warning, uninitialized) +endif endif diff --git a/scripts/Makefile.host b/scripts/Makefile.host index 66893643fd7d..ab5980f91714 100644 --- a/scripts/Makefile.host +++ b/scripts/Makefile.host @@ -20,21 +20,12 @@ # Will compile qconf as a C++ program, and menu as a C program. # They are linked as C++ code to the executable qconf -# hostprogs-y := conf -# conf-objs := conf.o libkconfig.so -# libkconfig-objs := expr.o type.o -# Will create a shared library named libkconfig.so that consists of -# expr.o and type.o (they are both compiled as C code and the object files -# are made as position independent code). -# conf.c is compiled as a C program, and conf.o is linked together with -# libkconfig.so as the executable conf. -# Note: Shared libraries consisting of C++ files are not supported - __hostprogs := $(sort $(hostprogs-y) $(hostprogs-m)) # C code # Executables compiled from a single .c file -host-csingle := $(foreach m,$(__hostprogs),$(if $($(m)-objs),,$(m))) +host-csingle := $(foreach m,$(__hostprogs), \ + $(if $($(m)-objs)$($(m)-cxxobjs),,$(m))) # C executables linked based on several .o files host-cmulti := $(foreach m,$(__hostprogs),\ @@ -44,33 +35,17 @@ host-cmulti := $(foreach m,$(__hostprogs),\ host-cobjs := $(sort $(foreach m,$(__hostprogs),$($(m)-objs))) # C++ code -# C++ executables compiled from at least on .cc file +# C++ executables compiled from at least one .cc file # and zero or more .c files host-cxxmulti := $(foreach m,$(__hostprogs),$(if $($(m)-cxxobjs),$(m))) # C++ Object (.o) files compiled from .cc files host-cxxobjs := $(sort $(foreach m,$(host-cxxmulti),$($(m)-cxxobjs))) -# Shared libaries (only .c supported) -# Shared libraries (.so) - all .so files referenced in "xxx-objs" -host-cshlib := $(sort $(filter %.so, $(host-cobjs))) -# Remove .so files from "xxx-objs" -host-cobjs := $(filter-out %.so,$(host-cobjs)) - -#Object (.o) files used by the shared libaries -host-cshobjs := $(sort $(foreach m,$(host-cshlib),$($(m:.so=-objs)))) - # output directory for programs/.o files -# hostprogs-y := tools/build may have been specified. Retrieve directory -host-objdirs := $(foreach f,$(__hostprogs), $(if $(dir $(f)),$(dir $(f)))) -# directory of .o files from prog-objs notation -host-objdirs += $(foreach f,$(host-cmulti), \ - $(foreach m,$($(f)-objs), \ - $(if $(dir $(m)),$(dir $(m))))) -# directory of .o files from prog-cxxobjs notation -host-objdirs += $(foreach f,$(host-cxxmulti), \ - $(foreach m,$($(f)-cxxobjs), \ - $(if $(dir $(m)),$(dir $(m))))) +# hostprogs-y := tools/build may have been specified. +# Retrieve also directory of .o files from prog-objs or prog-cxxobjs notation +host-objdirs := $(dir $(__hostprogs) $(host-cobjs) $(host-cxxobjs)) host-objdirs := $(strip $(sort $(filter-out ./,$(host-objdirs)))) @@ -81,8 +56,6 @@ host-cmulti := $(addprefix $(obj)/,$(host-cmulti)) host-cobjs := $(addprefix $(obj)/,$(host-cobjs)) host-cxxmulti := $(addprefix $(obj)/,$(host-cxxmulti)) host-cxxobjs := $(addprefix $(obj)/,$(host-cxxobjs)) -host-cshlib := $(addprefix $(obj)/,$(host-cshlib)) -host-cshobjs := $(addprefix $(obj)/,$(host-cshobjs)) host-objdirs := $(addprefix $(obj)/,$(host-objdirs)) obj-dirs += $(host-objdirs) @@ -123,7 +96,7 @@ quiet_cmd_host-cmulti = HOSTLD $@ cmd_host-cmulti = $(HOSTCC) $(HOSTLDFLAGS) -o $@ \ $(addprefix $(obj)/,$($(@F)-objs)) \ $(HOST_LOADLIBES) $(HOSTLOADLIBES_$(@F)) -$(host-cmulti): $(obj)/%: $(host-cobjs) $(host-cshlib) FORCE +$(host-cmulti): $(obj)/%: $(host-cobjs) FORCE $(call if_changed,host-cmulti) # Create .o file from a single .c file @@ -140,7 +113,7 @@ quiet_cmd_host-cxxmulti = HOSTLD $@ $(foreach o,objs cxxobjs,\ $(addprefix $(obj)/,$($(@F)-$(o)))) \ $(HOST_LOADLIBES) $(HOSTLOADLIBES_$(@F)) -$(host-cxxmulti): $(obj)/%: $(host-cobjs) $(host-cxxobjs) $(host-cshlib) FORCE +$(host-cxxmulti): $(obj)/%: $(host-cobjs) $(host-cxxobjs) FORCE $(call if_changed,host-cxxmulti) # Create .o file from a single .cc (C++) file @@ -149,21 +122,5 @@ quiet_cmd_host-cxxobjs = HOSTCXX $@ $(host-cxxobjs): $(obj)/%.o: $(src)/%.cc FORCE $(call if_changed_dep,host-cxxobjs) -# Compile .c file, create position independent .o file -# host-cshobjs -> .o -quiet_cmd_host-cshobjs = HOSTCC -fPIC $@ - cmd_host-cshobjs = $(HOSTCC) $(hostc_flags) -fPIC -c -o $@ $< -$(host-cshobjs): $(obj)/%.o: $(src)/%.c FORCE - $(call if_changed_dep,host-cshobjs) - -# Link a shared library, based on position independent .o files -# *.o -> .so shared library (host-cshlib) -quiet_cmd_host-cshlib = HOSTLLD -shared $@ - cmd_host-cshlib = $(HOSTCC) $(HOSTLDFLAGS) -shared -o $@ \ - $(addprefix $(obj)/,$($(@F:.so=-objs))) \ - $(HOST_LOADLIBES) $(HOSTLOADLIBES_$(@F)) -$(host-cshlib): $(obj)/%: $(host-cshobjs) FORCE - $(call if_changed,host-cshlib) - targets += $(host-csingle) $(host-cmulti) $(host-cobjs)\ - $(host-cxxmulti) $(host-cxxobjs) $(host-cshlib) $(host-cshobjs) + $(host-cxxmulti) $(host-cxxobjs) diff --git a/scripts/analyze_suspend.py b/scripts/analyze_suspend.py index 4f2cc12dc7c7..93e1fd40f430 100755 --- a/scripts/analyze_suspend.py +++ b/scripts/analyze_suspend.py @@ -36,146 +36,392 @@ # CONFIG_FUNCTION_TRACER=y # CONFIG_FUNCTION_GRAPH_TRACER=y # +# For kernel versions older than 3.15: # The following additional kernel parameters are required: # (e.g. in file /etc/default/grub) # GRUB_CMDLINE_LINUX_DEFAULT="... initcall_debug log_buf_len=16M ..." # +# ----------------- LIBRARIES -------------------- + import sys import time import os import string import re -import array import platform -import datetime +from datetime import datetime import struct -# -- classes -- +# ----------------- CLASSES -------------------- +# Class: SystemValues +# Description: +# A global, single-instance container used to +# store system values and test parameters class SystemValues: - testdir = "." - tpath = "/sys/kernel/debug/tracing/" - mempath = "/dev/mem" - powerfile = "/sys/power/state" - suspendmode = "mem" - prefix = "test" - teststamp = "" - dmesgfile = "" - ftracefile = "" - htmlfile = "" + version = 3.0 + verbose = False + testdir = '.' + tpath = '/sys/kernel/debug/tracing/' + fpdtpath = '/sys/firmware/acpi/tables/FPDT' + epath = '/sys/kernel/debug/tracing/events/power/' + traceevents = [ + 'suspend_resume', + 'device_pm_callback_end', + 'device_pm_callback_start' + ] + modename = { + 'freeze': 'Suspend-To-Idle (S0)', + 'standby': 'Power-On Suspend (S1)', + 'mem': 'Suspend-to-RAM (S3)', + 'disk': 'Suspend-to-disk (S4)' + } + mempath = '/dev/mem' + powerfile = '/sys/power/state' + suspendmode = 'mem' + hostname = 'localhost' + prefix = 'test' + teststamp = '' + dmesgfile = '' + ftracefile = '' + htmlfile = '' rtcwake = False + rtcwaketime = 10 + rtcpath = '' + android = False + adb = 'adb' + devicefilter = [] + stamp = 0 + execcount = 1 + x2delay = 0 + usecallgraph = False + usetraceevents = False + usetraceeventsonly = False + notestrun = False + altdevname = dict() + postresumetime = 0 + tracertypefmt = '# tracer: (?P<t>.*)' + firmwarefmt = '# fwsuspend (?P<s>[0-9]*) fwresume (?P<r>[0-9]*)$' + postresumefmt = '# post resume time (?P<t>[0-9]*)$' + stampfmt = '# suspend-(?P<m>[0-9]{2})(?P<d>[0-9]{2})(?P<y>[0-9]{2})-'+\ + '(?P<H>[0-9]{2})(?P<M>[0-9]{2})(?P<S>[0-9]{2})'+\ + ' (?P<host>.*) (?P<mode>.*) (?P<kernel>.*)$' + def __init__(self): + self.hostname = platform.node() + if(self.hostname == ''): + self.hostname = 'localhost' + rtc = "rtc0" + if os.path.exists('/dev/rtc'): + rtc = os.readlink('/dev/rtc') + rtc = '/sys/class/rtc/'+rtc + if os.path.exists(rtc) and os.path.exists(rtc+'/date') and \ + os.path.exists(rtc+'/time') and os.path.exists(rtc+'/wakealarm'): + self.rtcpath = rtc def setOutputFile(self): - if((self.htmlfile == "") and (self.dmesgfile != "")): - m = re.match(r"(?P<name>.*)_dmesg\.txt$", self.dmesgfile) + if((self.htmlfile == '') and (self.dmesgfile != '')): + m = re.match('(?P<name>.*)_dmesg\.txt$', self.dmesgfile) if(m): - self.htmlfile = m.group("name")+".html" - if((self.htmlfile == "") and (self.ftracefile != "")): - m = re.match(r"(?P<name>.*)_ftrace\.txt$", self.ftracefile) + self.htmlfile = m.group('name')+'.html' + if((self.htmlfile == '') and (self.ftracefile != '')): + m = re.match('(?P<name>.*)_ftrace\.txt$', self.ftracefile) if(m): - self.htmlfile = m.group("name")+".html" - if(self.htmlfile == ""): - self.htmlfile = "output.html" - def initTestOutput(self): - hostname = platform.node() - if(hostname != ""): - self.prefix = hostname - v = os.popen("cat /proc/version").read().strip() - kver = string.split(v)[2] - self.testdir = os.popen("date \"+suspend-%m%d%y-%H%M%S\"").read().strip() - self.teststamp = "# "+self.testdir+" "+self.prefix+" "+self.suspendmode+" "+kver - self.dmesgfile = self.testdir+"/"+self.prefix+"_"+self.suspendmode+"_dmesg.txt" - self.ftracefile = self.testdir+"/"+self.prefix+"_"+self.suspendmode+"_ftrace.txt" - self.htmlfile = self.testdir+"/"+self.prefix+"_"+self.suspendmode+".html" + self.htmlfile = m.group('name')+'.html' + if(self.htmlfile == ''): + self.htmlfile = 'output.html' + def initTestOutput(self, subdir): + if(not self.android): + self.prefix = self.hostname + v = open('/proc/version', 'r').read().strip() + kver = string.split(v)[2] + else: + self.prefix = 'android' + v = os.popen(self.adb+' shell cat /proc/version').read().strip() + kver = string.split(v)[2] + testtime = datetime.now().strftime('suspend-%m%d%y-%H%M%S') + if(subdir != "."): + self.testdir = subdir+"/"+testtime + else: + self.testdir = testtime + self.teststamp = \ + '# '+testtime+' '+self.prefix+' '+self.suspendmode+' '+kver + self.dmesgfile = \ + self.testdir+'/'+self.prefix+'_'+self.suspendmode+'_dmesg.txt' + self.ftracefile = \ + self.testdir+'/'+self.prefix+'_'+self.suspendmode+'_ftrace.txt' + self.htmlfile = \ + self.testdir+'/'+self.prefix+'_'+self.suspendmode+'.html' os.mkdir(self.testdir) + def setDeviceFilter(self, devnames): + self.devicefilter = string.split(devnames) + def rtcWakeAlarm(self): + os.system('echo 0 > '+self.rtcpath+'/wakealarm') + outD = open(self.rtcpath+'/date', 'r').read().strip() + outT = open(self.rtcpath+'/time', 'r').read().strip() + mD = re.match('^(?P<y>[0-9]*)-(?P<m>[0-9]*)-(?P<d>[0-9]*)', outD) + mT = re.match('^(?P<h>[0-9]*):(?P<m>[0-9]*):(?P<s>[0-9]*)', outT) + if(mD and mT): + # get the current time from hardware + utcoffset = int((datetime.now() - datetime.utcnow()).total_seconds()) + dt = datetime(\ + int(mD.group('y')), int(mD.group('m')), int(mD.group('d')), + int(mT.group('h')), int(mT.group('m')), int(mT.group('s'))) + nowtime = int(dt.strftime('%s')) + utcoffset + else: + # if hardware time fails, use the software time + nowtime = int(datetime.now().strftime('%s')) + alarm = nowtime + self.rtcwaketime + os.system('echo %d > %s/wakealarm' % (alarm, self.rtcpath)) +sysvals = SystemValues() + +# Class: DeviceNode +# Description: +# A container used to create a device hierachy, with a single root node +# and a tree of child nodes. Used by Data.deviceTopology() +class DeviceNode: + name = '' + children = 0 + depth = 0 + def __init__(self, nodename, nodedepth): + self.name = nodename + self.children = [] + self.depth = nodedepth + +# Class: Data +# Description: +# The primary container for suspend/resume test data. There is one for +# each test run. The data is organized into a cronological hierarchy: +# Data.dmesg { +# root structure, started as dmesg & ftrace, but now only ftrace +# contents: times for suspend start/end, resume start/end, fwdata +# phases { +# 10 sequential, non-overlapping phases of S/R +# contents: times for phase start/end, order/color data for html +# devlist { +# device callback or action list for this phase +# device { +# a single device callback or generic action +# contents: start/stop times, pid/cpu/driver info +# parents/children, html id for timeline/callgraph +# optionally includes an ftrace callgraph +# optionally includes intradev trace events +# } +# } +# } +# } +# class Data: - altdevname = dict() - usedmesg = False - useftrace = False - notestrun = False - verbose = False - phases = [] - dmesg = {} # root data structure - start = 0.0 - end = 0.0 - stamp = {'time': "", 'host': "", 'mode': ""} - id = 0 - tSuspended = 0.0 - fwValid = False - fwSuspend = 0 - fwResume = 0 - def initialize(self): - self.dmesg = { # dmesg log data - 'suspend_general': {'list': dict(), 'start': -1.0, 'end': -1.0, - 'row': 0, 'color': "#CCFFCC", 'order': 0}, - 'suspend_early': {'list': dict(), 'start': -1.0, 'end': -1.0, - 'row': 0, 'color': "green", 'order': 1}, + dmesg = {} # root data structure + phases = [] # ordered list of phases + start = 0.0 # test start + end = 0.0 # test end + tSuspended = 0.0 # low-level suspend start + tResumed = 0.0 # low-level resume start + tLow = 0.0 # time spent in low-level suspend (standby/freeze) + fwValid = False # is firmware data available + fwSuspend = 0 # time spent in firmware suspend + fwResume = 0 # time spent in firmware resume + dmesgtext = [] # dmesg text file in memory + testnumber = 0 + idstr = '' + html_device_id = 0 + stamp = 0 + outfile = '' + def __init__(self, num): + idchar = 'abcdefghijklmnopqrstuvwxyz' + self.testnumber = num + self.idstr = idchar[num] + self.dmesgtext = [] + self.phases = [] + self.dmesg = { # fixed list of 10 phases + 'suspend_prepare': {'list': dict(), 'start': -1.0, 'end': -1.0, + 'row': 0, 'color': '#CCFFCC', 'order': 0}, + 'suspend': {'list': dict(), 'start': -1.0, 'end': -1.0, + 'row': 0, 'color': '#88FF88', 'order': 1}, + 'suspend_late': {'list': dict(), 'start': -1.0, 'end': -1.0, + 'row': 0, 'color': '#00AA00', 'order': 2}, 'suspend_noirq': {'list': dict(), 'start': -1.0, 'end': -1.0, - 'row': 0, 'color': "#00FFFF", 'order': 2}, - 'suspend_cpu': {'list': dict(), 'start': -1.0, 'end': -1.0, - 'row': 0, 'color': "blue", 'order': 3}, - 'resume_cpu': {'list': dict(), 'start': -1.0, 'end': -1.0, - 'row': 0, 'color': "red", 'order': 4}, + 'row': 0, 'color': '#008888', 'order': 3}, + 'suspend_machine': {'list': dict(), 'start': -1.0, 'end': -1.0, + 'row': 0, 'color': '#0000FF', 'order': 4}, + 'resume_machine': {'list': dict(), 'start': -1.0, 'end': -1.0, + 'row': 0, 'color': '#FF0000', 'order': 5}, 'resume_noirq': {'list': dict(), 'start': -1.0, 'end': -1.0, - 'row': 0, 'color': "orange", 'order': 5}, + 'row': 0, 'color': '#FF9900', 'order': 6}, 'resume_early': {'list': dict(), 'start': -1.0, 'end': -1.0, - 'row': 0, 'color': "yellow", 'order': 6}, - 'resume_general': {'list': dict(), 'start': -1.0, 'end': -1.0, - 'row': 0, 'color': "#FFFFCC", 'order': 7} + 'row': 0, 'color': '#FFCC00', 'order': 7}, + 'resume': {'list': dict(), 'start': -1.0, 'end': -1.0, + 'row': 0, 'color': '#FFFF88', 'order': 8}, + 'resume_complete': {'list': dict(), 'start': -1.0, 'end': -1.0, + 'row': 0, 'color': '#FFFFCC', 'order': 9} } self.phases = self.sortedPhases() - def normalizeTime(self): - tSus = tRes = self.tSuspended - if self.fwValid: - tSus -= -self.fwSuspend / 1000000000.0 - tRes -= self.fwResume / 1000000000.0 - self.tSuspended = 0.0 - self.start -= tSus - self.end -= tRes + def getStart(self): + return self.dmesg[self.phases[0]]['start'] + def setStart(self, time): + self.start = time + self.dmesg[self.phases[0]]['start'] = time + def getEnd(self): + return self.dmesg[self.phases[-1]]['end'] + def setEnd(self, time): + self.end = time + self.dmesg[self.phases[-1]]['end'] = time + def isTraceEventOutsideDeviceCalls(self, pid, time): + for phase in self.phases: + list = self.dmesg[phase]['list'] + for dev in list: + d = list[dev] + if(d['pid'] == pid and time >= d['start'] and + time <= d['end']): + return False + return True + def addIntraDevTraceEvent(self, action, name, pid, time): + if(action == 'mutex_lock_try'): + color = 'red' + elif(action == 'mutex_lock_pass'): + color = 'green' + elif(action == 'mutex_unlock'): + color = 'blue' + else: + # create separate colors based on the name + v1 = len(name)*10 % 256 + v2 = string.count(name, 'e')*100 % 256 + v3 = ord(name[0])*20 % 256 + color = '#%06X' % ((v1*0x10000) + (v2*0x100) + v3) + for phase in self.phases: + list = self.dmesg[phase]['list'] + for dev in list: + d = list[dev] + if(d['pid'] == pid and time >= d['start'] and + time <= d['end']): + e = TraceEvent(action, name, color, time) + if('traceevents' not in d): + d['traceevents'] = [] + d['traceevents'].append(e) + return d + break + return 0 + def capIntraDevTraceEvent(self, action, name, pid, time): + for phase in self.phases: + list = self.dmesg[phase]['list'] + for dev in list: + d = list[dev] + if(d['pid'] == pid and time >= d['start'] and + time <= d['end']): + if('traceevents' not in d): + return + for e in d['traceevents']: + if(e.action == action and + e.name == name and not e.ready): + e.length = time - e.time + e.ready = True + break + return + def trimTimeVal(self, t, t0, dT, left): + if left: + if(t > t0): + if(t - dT < t0): + return t0 + return t - dT + else: + return t + else: + if(t < t0 + dT): + if(t > t0): + return t0 + dT + return t + dT + else: + return t + def trimTime(self, t0, dT, left): + self.tSuspended = self.trimTimeVal(self.tSuspended, t0, dT, left) + self.tResumed = self.trimTimeVal(self.tResumed, t0, dT, left) + self.start = self.trimTimeVal(self.start, t0, dT, left) + self.end = self.trimTimeVal(self.end, t0, dT, left) for phase in self.phases: - zero = tRes - if "suspend" in phase: - zero = tSus p = self.dmesg[phase] - p['start'] -= zero - p['end'] -= zero + p['start'] = self.trimTimeVal(p['start'], t0, dT, left) + p['end'] = self.trimTimeVal(p['end'], t0, dT, left) list = p['list'] for name in list: d = list[name] - d['start'] -= zero - d['end'] -= zero + d['start'] = self.trimTimeVal(d['start'], t0, dT, left) + d['end'] = self.trimTimeVal(d['end'], t0, dT, left) if('ftrace' in d): cg = d['ftrace'] - cg.start -= zero - cg.end -= zero + cg.start = self.trimTimeVal(cg.start, t0, dT, left) + cg.end = self.trimTimeVal(cg.end, t0, dT, left) for line in cg.list: - line.time -= zero - if self.fwValid: - fws = -self.fwSuspend / 1000000000.0 - fwr = self.fwResume / 1000000000.0 - list = dict() - self.id += 1 - devid = "dc%d" % self.id - list["firmware-suspend"] = \ - {'start': fws, 'end': 0, 'pid': 0, 'par': "", - 'length': -fws, 'row': 0, 'id': devid }; - self.id += 1 - devid = "dc%d" % self.id - list["firmware-resume"] = \ - {'start': 0, 'end': fwr, 'pid': 0, 'par': "", - 'length': fwr, 'row': 0, 'id': devid }; - self.dmesg['BIOS'] = \ - {'list': list, 'start': fws, 'end': fwr, - 'row': 0, 'color': "purple", 'order': 4} - self.dmesg['resume_cpu']['order'] += 1 - self.dmesg['resume_noirq']['order'] += 1 - self.dmesg['resume_early']['order'] += 1 - self.dmesg['resume_general']['order'] += 1 - self.phases = self.sortedPhases() - def vprint(self, msg): - if(self.verbose): - print(msg) + line.time = self.trimTimeVal(line.time, t0, dT, left) + if('traceevents' in d): + for e in d['traceevents']: + e.time = self.trimTimeVal(e.time, t0, dT, left) + def normalizeTime(self, tZero): + # first trim out any standby or freeze clock time + if(self.tSuspended != self.tResumed): + if(self.tResumed > tZero): + self.trimTime(self.tSuspended, \ + self.tResumed-self.tSuspended, True) + else: + self.trimTime(self.tSuspended, \ + self.tResumed-self.tSuspended, False) + # shift the timeline so that tZero is the new 0 + self.tSuspended -= tZero + self.tResumed -= tZero + self.start -= tZero + self.end -= tZero + for phase in self.phases: + p = self.dmesg[phase] + p['start'] -= tZero + p['end'] -= tZero + list = p['list'] + for name in list: + d = list[name] + d['start'] -= tZero + d['end'] -= tZero + if('ftrace' in d): + cg = d['ftrace'] + cg.start -= tZero + cg.end -= tZero + for line in cg.list: + line.time -= tZero + if('traceevents' in d): + for e in d['traceevents']: + e.time -= tZero + def newPhaseWithSingleAction(self, phasename, devname, start, end, color): + for phase in self.phases: + self.dmesg[phase]['order'] += 1 + self.html_device_id += 1 + devid = '%s%d' % (self.idstr, self.html_device_id) + list = dict() + list[devname] = \ + {'start': start, 'end': end, 'pid': 0, 'par': '', + 'length': (end-start), 'row': 0, 'id': devid, 'drv': '' }; + self.dmesg[phasename] = \ + {'list': list, 'start': start, 'end': end, + 'row': 0, 'color': color, 'order': 0} + self.phases = self.sortedPhases() + def newPhase(self, phasename, start, end, color, order): + if(order < 0): + order = len(self.phases) + for phase in self.phases[order:]: + self.dmesg[phase]['order'] += 1 + if(order > 0): + p = self.phases[order-1] + self.dmesg[p]['end'] = start + if(order < len(self.phases)): + p = self.phases[order] + self.dmesg[p]['start'] = end + list = dict() + self.dmesg[phasename] = \ + {'list': list, 'start': start, 'end': end, + 'row': 0, 'color': color, 'order': order} + self.phases = self.sortedPhases() + def setPhase(self, phase, ktime, isbegin): + if(isbegin): + self.dmesg[phase]['start'] = ktime + else: + self.dmesg[phase]['end'] = ktime def dmesgSortVal(self, phase): return self.dmesg[phase]['order'] def sortedPhases(self): @@ -197,59 +443,180 @@ class Data: dev = phaselist[devname] if(dev['end'] < 0): dev['end'] = end - self.vprint("%s (%s): callback didn't return" % (devname, phase)) + vprint('%s (%s): callback didnt return' % (devname, phase)) + def deviceFilter(self, devicefilter): + # remove all by the relatives of the filter devnames + filter = [] + for phase in self.phases: + list = self.dmesg[phase]['list'] + for name in devicefilter: + dev = name + while(dev in list): + if(dev not in filter): + filter.append(dev) + dev = list[dev]['par'] + children = self.deviceDescendants(name, phase) + for dev in children: + if(dev not in filter): + filter.append(dev) + for phase in self.phases: + list = self.dmesg[phase]['list'] + rmlist = [] + for name in list: + pid = list[name]['pid'] + if(name not in filter and pid >= 0): + rmlist.append(name) + for name in rmlist: + del list[name] def fixupInitcallsThatDidntReturn(self): # if any calls never returned, clip them at system resume end for phase in self.phases: - self.fixupInitcalls(phase, self.dmesg['resume_general']['end']) - if(phase == "resume_general"): - break - def newAction(self, phase, name, pid, parent, start, end): - self.id += 1 - devid = "dc%d" % self.id + self.fixupInitcalls(phase, self.getEnd()) + def newActionGlobal(self, name, start, end): + # which phase is this device callback or action "in" + targetphase = "none" + overlap = 0.0 + for phase in self.phases: + pstart = self.dmesg[phase]['start'] + pend = self.dmesg[phase]['end'] + o = max(0, min(end, pend) - max(start, pstart)) + if(o > overlap): + targetphase = phase + overlap = o + if targetphase in self.phases: + self.newAction(targetphase, name, -1, '', start, end, '') + return True + return False + def newAction(self, phase, name, pid, parent, start, end, drv): + # new device callback for a specific phase + self.html_device_id += 1 + devid = '%s%d' % (self.idstr, self.html_device_id) list = self.dmesg[phase]['list'] length = -1.0 if(start >= 0 and end >= 0): length = end - start list[name] = {'start': start, 'end': end, 'pid': pid, 'par': parent, - 'length': length, 'row': 0, 'id': devid } + 'length': length, 'row': 0, 'id': devid, 'drv': drv } def deviceIDs(self, devlist, phase): idlist = [] - for p in self.phases: - if(p[0] != phase[0]): - continue - list = data.dmesg[p]['list'] - for devname in list: - if devname in devlist: - idlist.append(list[devname]['id']) + list = self.dmesg[phase]['list'] + for devname in list: + if devname in devlist: + idlist.append(list[devname]['id']) return idlist def deviceParentID(self, devname, phase): - pdev = "" - pdevid = "" - for p in self.phases: - if(p[0] != phase[0]): - continue - list = data.dmesg[p]['list'] - if devname in list: - pdev = list[devname]['par'] - for p in self.phases: - if(p[0] != phase[0]): - continue - list = data.dmesg[p]['list'] - if pdev in list: - return list[pdev]['id'] + pdev = '' + pdevid = '' + list = self.dmesg[phase]['list'] + if devname in list: + pdev = list[devname]['par'] + if pdev in list: + return list[pdev]['id'] return pdev - def deviceChildrenIDs(self, devname, phase): + def deviceChildren(self, devname, phase): devlist = [] - for p in self.phases: - if(p[0] != phase[0]): - continue - list = data.dmesg[p]['list'] - for child in list: - if(list[child]['par'] == devname): - devlist.append(child) + list = self.dmesg[phase]['list'] + for child in list: + if(list[child]['par'] == devname): + devlist.append(child) + return devlist + def deviceDescendants(self, devname, phase): + children = self.deviceChildren(devname, phase) + family = children + for child in children: + family += self.deviceDescendants(child, phase) + return family + def deviceChildrenIDs(self, devname, phase): + devlist = self.deviceChildren(devname, phase) return self.deviceIDs(devlist, phase) - + def printDetails(self): + vprint(' test start: %f' % self.start) + for phase in self.phases: + dc = len(self.dmesg[phase]['list']) + vprint(' %16s: %f - %f (%d devices)' % (phase, \ + self.dmesg[phase]['start'], self.dmesg[phase]['end'], dc)) + vprint(' test end: %f' % self.end) + def masterTopology(self, name, list, depth): + node = DeviceNode(name, depth) + for cname in list: + clist = self.deviceChildren(cname, 'resume') + cnode = self.masterTopology(cname, clist, depth+1) + node.children.append(cnode) + return node + def printTopology(self, node): + html = '' + if node.name: + info = '' + drv = '' + for phase in self.phases: + list = self.dmesg[phase]['list'] + if node.name in list: + s = list[node.name]['start'] + e = list[node.name]['end'] + if list[node.name]['drv']: + drv = ' {'+list[node.name]['drv']+'}' + info += ('<li>%s: %.3fms</li>' % (phase, (e-s)*1000)) + html += '<li><b>'+node.name+drv+'</b>' + if info: + html += '<ul>'+info+'</ul>' + html += '</li>' + if len(node.children) > 0: + html += '<ul>' + for cnode in node.children: + html += self.printTopology(cnode) + html += '</ul>' + return html + def rootDeviceList(self): + # list of devices graphed + real = [] + for phase in self.dmesg: + list = self.dmesg[phase]['list'] + for dev in list: + if list[dev]['pid'] >= 0 and dev not in real: + real.append(dev) + # list of top-most root devices + rootlist = [] + for phase in self.dmesg: + list = self.dmesg[phase]['list'] + for dev in list: + pdev = list[dev]['par'] + if(re.match('[0-9]*-[0-9]*\.[0-9]*[\.0-9]*\:[\.0-9]*$', pdev)): + continue + if pdev and pdev not in real and pdev not in rootlist: + rootlist.append(pdev) + return rootlist + def deviceTopology(self): + rootlist = self.rootDeviceList() + master = self.masterTopology('', rootlist, 0) + return self.printTopology(master) + +# Class: TraceEvent +# Description: +# A container for trace event data found in the ftrace file +class TraceEvent: + ready = False + name = '' + time = 0.0 + color = '#FFFFFF' + length = 0.0 + action = '' + def __init__(self, a, n, c, t): + self.action = a + self.name = n + self.color = c + self.time = t + +# Class: FTraceLine +# Description: +# A container for a single line of ftrace data. There are six basic types: +# callgraph line: +# call: " dpm_run_callback() {" +# return: " }" +# leaf: " dpm_run_callback();" +# trace event: +# tracing_mark_write: SUSPEND START or RESUME COMPLETE +# suspend_resume: phase or custom exec block data +# device_pm_callback: device callback info class FTraceLine: time = 0.0 length = 0.0 @@ -257,20 +624,33 @@ class FTraceLine: freturn = False fevent = False depth = 0 - name = "" + name = '' + type = '' def __init__(self, t, m, d): self.time = float(t) - # check to see if this is a trace event - em = re.match(r"^ *\/\* *(?P<msg>.*) \*\/ *$", m) - if(em): - self.name = em.group("msg") + # is this a trace event + if(d == 'traceevent' or re.match('^ *\/\* *(?P<msg>.*) \*\/ *$', m)): + if(d == 'traceevent'): + # nop format trace event + msg = m + else: + # function_graph format trace event + em = re.match('^ *\/\* *(?P<msg>.*) \*\/ *$', m) + msg = em.group('msg') + + emm = re.match('^(?P<call>.*?): (?P<msg>.*)', msg) + if(emm): + self.name = emm.group('msg') + self.type = emm.group('call') + else: + self.name = msg self.fevent = True return # convert the duration to seconds if(d): self.length = float(d)/1000000 # the indentation determines the depth - match = re.match(r"^(?P<d> *)(?P<o>.*)$", m) + match = re.match('^(?P<d> *)(?P<o>.*)$', m) if(not match): return self.depth = self.getDepth(match.group('d')) @@ -280,7 +660,7 @@ class FTraceLine: self.freturn = True if(len(m) > 1): # includes comment with function name - match = re.match(r"^} *\/\* *(?P<n>.*) *\*\/$", m) + match = re.match('^} *\/\* *(?P<n>.*) *\*\/$', m) if(match): self.name = match.group('n') # function call @@ -288,13 +668,13 @@ class FTraceLine: self.fcall = True # function call with children if(m[-1] == '{'): - match = re.match(r"^(?P<n>.*) *\(.*", m) + match = re.match('^(?P<n>.*) *\(.*', m) if(match): self.name = match.group('n') # function call with no children (leaf) elif(m[-1] == ';'): self.freturn = True - match = re.match(r"^(?P<n>.*) *\(.*", m) + match = re.match('^(?P<n>.*) *\(.*', m) if(match): self.name = match.group('n') # something else (possibly a trace marker) @@ -302,7 +682,23 @@ class FTraceLine: self.name = m def getDepth(self, str): return len(str)/2 + def debugPrint(self, dev): + if(self.freturn and self.fcall): + print('%s -- %f (%02d): %s(); (%.3f us)' % (dev, self.time, \ + self.depth, self.name, self.length*1000000)) + elif(self.freturn): + print('%s -- %f (%02d): %s} (%.3f us)' % (dev, self.time, \ + self.depth, self.name, self.length*1000000)) + else: + print('%s -- %f (%02d): %s() { (%.3f us)' % (dev, self.time, \ + self.depth, self.name, self.length*1000000)) +# Class: FTraceCallGraph +# Description: +# A container for the ftrace callgraph of a single recursive function. +# This can be a dpm_run_callback, dpm_prepare, or dpm_complete callgraph +# Each instance is tied to a single device in a single phase, and is +# comprised of an ordered list of FTraceLine objects class FTraceCallGraph: start = -1.0 end = -1.0 @@ -327,24 +723,53 @@ class FTraceCallGraph: if(not self.invalid): self.setDepth(line) if(line.depth == 0 and line.freturn): + if(self.start < 0): + self.start = line.time self.end = line.time self.list.append(line) return True if(self.invalid): return False if(len(self.list) >= 1000000 or self.depth < 0): - first = self.list[0] - self.list = [] - self.list.append(first) - self.invalid = True - id = "task %s cpu %s" % (match.group("pid"), match.group("cpu")) - window = "(%f - %f)" % (self.start, line.time) - data.vprint("Too much data for "+id+" "+window+", ignoring this callback") - return False + if(len(self.list) > 0): + first = self.list[0] + self.list = [] + self.list.append(first) + self.invalid = True + if(not match): + return False + id = 'task %s cpu %s' % (match.group('pid'), match.group('cpu')) + window = '(%f - %f)' % (self.start, line.time) + if(self.depth < 0): + print('Too much data for '+id+\ + ' (buffer overflow), ignoring this callback') + else: + print('Too much data for '+id+\ + ' '+window+', ignoring this callback') + return False self.list.append(line) if(self.start < 0): self.start = line.time return False + def slice(self, t0, tN): + minicg = FTraceCallGraph() + count = -1 + firstdepth = 0 + for l in self.list: + if(l.time < t0 or l.time > tN): + continue + if(count < 0): + if(not l.fcall or l.name == 'dev_driver_string'): + continue + firstdepth = l.depth + count = 0 + l.depth -= firstdepth + minicg.addLine(l, 0) + if((count == 0 and l.freturn and l.fcall) or + (count > 0 and l.depth <= 0)): + break + count += 1 + return minicg def sanityCheck(self): stack = dict() cnt = 0 @@ -353,7 +778,7 @@ class FTraceCallGraph: stack[l.depth] = l cnt += 1 elif(l.freturn and not l.fcall): - if(not stack[l.depth]): + if(l.depth not in stack): return False stack[l.depth].length = l.length stack[l.depth] = 0 @@ -363,40 +788,51 @@ class FTraceCallGraph: return True return False def debugPrint(self, filename): - if(filename == "stdout"): - print("[%f - %f]") % (self.start, self.end) + if(filename == 'stdout'): + print('[%f - %f]') % (self.start, self.end) for l in self.list: if(l.freturn and l.fcall): - print("%f (%02d): %s(); (%.3f us)" % (l.time, l.depth, l.name, l.length*1000000)) + print('%f (%02d): %s(); (%.3f us)' % (l.time, \ + l.depth, l.name, l.length*1000000)) elif(l.freturn): - print("%f (%02d): %s} (%.3f us)" % (l.time, l.depth, l.name, l.length*1000000)) + print('%f (%02d): %s} (%.3f us)' % (l.time, \ + l.depth, l.name, l.length*1000000)) else: - print("%f (%02d): %s() { (%.3f us)" % (l.time, l.depth, l.name, l.length*1000000)) - print(" ") + print('%f (%02d): %s() { (%.3f us)' % (l.time, \ + l.depth, l.name, l.length*1000000)) + print(' ') else: fp = open(filename, 'w') print(filename) for l in self.list: if(l.freturn and l.fcall): - fp.write("%f (%02d): %s(); (%.3f us)\n" % (l.time, l.depth, l.name, l.length*1000000)) + fp.write('%f (%02d): %s(); (%.3f us)\n' % (l.time, \ + l.depth, l.name, l.length*1000000)) elif(l.freturn): - fp.write("%f (%02d): %s} (%.3f us)\n" % (l.time, l.depth, l.name, l.length*1000000)) + fp.write('%f (%02d): %s} (%.3f us)\n' % (l.time, \ + l.depth, l.name, l.length*1000000)) else: - fp.write("%f (%02d): %s() { (%.3f us)\n" % (l.time, l.depth, l.name, l.length*1000000)) + fp.write('%f (%02d): %s() { (%.3f us)\n' % (l.time, \ + l.depth, l.name, l.length*1000000)) fp.close() +# Class: Timeline +# Description: +# A container for a suspend/resume html timeline. In older versions +# of the script there were multiple timelines, but in the latest +# there is only one. class Timeline: html = {} - scaleH = 0.0 # height of the timescale row as a percent of the timeline height + scaleH = 0.0 # height of the row as a percent of the timeline height rowH = 0.0 # height of each row in percent of the timeline height row_height_pixels = 30 maxrows = 0 height = 0 def __init__(self): self.html = { - 'timeline': "", - 'legend': "", - 'scale': "" + 'timeline': '', + 'legend': '', + 'scale': '' } def setRows(self, rows): self.maxrows = int(rows) @@ -407,104 +843,261 @@ class Timeline: r = 1.0 self.rowH = (100.0 - self.scaleH)/r -# -- global objects -- +# Class: TestRun +# Description: +# A container for a suspend/resume test run. This is necessary as +# there could be more than one, and they need to be separate. +class TestRun: + ftrace_line_fmt_fg = \ + '^ *(?P<time>[0-9\.]*) *\| *(?P<cpu>[0-9]*)\)'+\ + ' *(?P<proc>.*)-(?P<pid>[0-9]*) *\|'+\ + '[ +!]*(?P<dur>[0-9\.]*) .*\| (?P<msg>.*)' + ftrace_line_fmt_nop = \ + ' *(?P<proc>.*)-(?P<pid>[0-9]*) *\[(?P<cpu>[0-9]*)\] *'+\ + '(?P<flags>.{4}) *(?P<time>[0-9\.]*): *'+\ + '(?P<msg>.*)' + ftrace_line_fmt = ftrace_line_fmt_nop + cgformat = False + ftemp = dict() + ttemp = dict() + inthepipe = False + tracertype = '' + data = 0 + def __init__(self, dataobj): + self.data = dataobj + self.ftemp = dict() + self.ttemp = dict() + def isReady(self): + if(tracertype == '' or not data): + return False + return True + def setTracerType(self, tracer): + self.tracertype = tracer + if(tracer == 'function_graph'): + self.cgformat = True + self.ftrace_line_fmt = self.ftrace_line_fmt_fg + elif(tracer == 'nop'): + self.ftrace_line_fmt = self.ftrace_line_fmt_nop + else: + doError('Invalid tracer format: [%s]' % tracer, False) -sysvals = SystemValues() -data = Data() +# ----------------- FUNCTIONS -------------------- -# -- functions -- +# Function: vprint +# Description: +# verbose print (prints only with -verbose option) +# Arguments: +# msg: the debug/log message to print +def vprint(msg): + global sysvals + if(sysvals.verbose): + print(msg) # Function: initFtrace # Description: -# Configure ftrace to capture a function trace during suspend/resume +# Configure ftrace to use trace events and/or a callgraph def initFtrace(): global sysvals - print("INITIALIZING FTRACE...") - # turn trace off - os.system("echo 0 > "+sysvals.tpath+"tracing_on") - # set the trace clock to global - os.system("echo global > "+sysvals.tpath+"trace_clock") - # set trace buffer to a huge value - os.system("echo nop > "+sysvals.tpath+"current_tracer") - os.system("echo 100000 > "+sysvals.tpath+"buffer_size_kb") - # clear the trace buffer - os.system("echo \"\" > "+sysvals.tpath+"trace") - # set trace type - os.system("echo function_graph > "+sysvals.tpath+"current_tracer") - os.system("echo \"\" > "+sysvals.tpath+"set_ftrace_filter") - # set trace format options - os.system("echo funcgraph-abstime > "+sysvals.tpath+"trace_options") - os.system("echo funcgraph-proc > "+sysvals.tpath+"trace_options") - # focus only on device suspend and resume - os.system("cat "+sysvals.tpath+"available_filter_functions | grep dpm_run_callback > "+sysvals.tpath+"set_graph_function") + tp = sysvals.tpath + cf = 'dpm_run_callback' + if(sysvals.usetraceeventsonly): + cf = '-e dpm_prepare -e dpm_complete -e dpm_run_callback' + if(sysvals.usecallgraph or sysvals.usetraceevents): + print('INITIALIZING FTRACE...') + # turn trace off + os.system('echo 0 > '+tp+'tracing_on') + # set the trace clock to global + os.system('echo global > '+tp+'trace_clock') + # set trace buffer to a huge value + os.system('echo nop > '+tp+'current_tracer') + os.system('echo 100000 > '+tp+'buffer_size_kb') + # initialize the callgraph trace, unless this is an x2 run + if(sysvals.usecallgraph and sysvals.execcount == 1): + # set trace type + os.system('echo function_graph > '+tp+'current_tracer') + os.system('echo "" > '+tp+'set_ftrace_filter') + # set trace format options + os.system('echo funcgraph-abstime > '+tp+'trace_options') + os.system('echo funcgraph-proc > '+tp+'trace_options') + # focus only on device suspend and resume + os.system('cat '+tp+'available_filter_functions | grep '+\ + cf+' > '+tp+'set_graph_function') + if(sysvals.usetraceevents): + # turn trace events on + events = iter(sysvals.traceevents) + for e in events: + os.system('echo 1 > '+sysvals.epath+e+'/enable') + # clear the trace buffer + os.system('echo "" > '+tp+'trace') + +# Function: initFtraceAndroid +# Description: +# Configure ftrace to capture trace events +def initFtraceAndroid(): + global sysvals + + tp = sysvals.tpath + if(sysvals.usetraceevents): + print('INITIALIZING FTRACE...') + # turn trace off + os.system(sysvals.adb+" shell 'echo 0 > "+tp+"tracing_on'") + # set the trace clock to global + os.system(sysvals.adb+" shell 'echo global > "+tp+"trace_clock'") + # set trace buffer to a huge value + os.system(sysvals.adb+" shell 'echo nop > "+tp+"current_tracer'") + os.system(sysvals.adb+" shell 'echo 10000 > "+tp+"buffer_size_kb'") + # turn trace events on + events = iter(sysvals.traceevents) + for e in events: + os.system(sysvals.adb+" shell 'echo 1 > "+\ + sysvals.epath+e+"/enable'") + # clear the trace buffer + os.system(sysvals.adb+" shell 'echo \"\" > "+tp+"trace'") # Function: verifyFtrace # Description: # Check that ftrace is working on the system +# Output: +# True or False def verifyFtrace(): global sysvals - files = ["available_filter_functions", "buffer_size_kb", - "current_tracer", "set_ftrace_filter", - "trace", "trace_marker"] + # files needed for any trace data + files = ['buffer_size_kb', 'current_tracer', 'trace', 'trace_clock', + 'trace_marker', 'trace_options', 'tracing_on'] + # files needed for callgraph trace data + tp = sysvals.tpath + if(sysvals.usecallgraph): + files += [ + 'available_filter_functions', + 'set_ftrace_filter', + 'set_graph_function' + ] for f in files: - if(os.path.exists(sysvals.tpath+f) == False): - return False + if(sysvals.android): + out = os.popen(sysvals.adb+' shell ls '+tp+f).read().strip() + if(out != tp+f): + return False + else: + if(os.path.exists(tp+f) == False): + return False return True -def parseStamp(line): - global data, sysvals - stampfmt = r"# suspend-(?P<m>[0-9]{2})(?P<d>[0-9]{2})(?P<y>[0-9]{2})-"+\ - "(?P<H>[0-9]{2})(?P<M>[0-9]{2})(?P<S>[0-9]{2})"+\ - " (?P<host>.*) (?P<mode>.*) (?P<kernel>.*)$" - m = re.match(stampfmt, line) - if(m): - dt = datetime.datetime(int(m.group("y"))+2000, int(m.group("m")), - int(m.group("d")), int(m.group("H")), int(m.group("M")), - int(m.group("S"))) - data.stamp['time'] = dt.strftime("%B %d %Y, %I:%M:%S %p") - data.stamp['host'] = m.group("host") - data.stamp['mode'] = m.group("mode") - data.stamp['kernel'] = m.group("kernel") - sysvals.suspendmode = data.stamp['mode'] - -# Function: analyzeTraceLog +# Function: parseStamp # Description: -# Analyse an ftrace log output file generated from this app during -# the execution phase. Create an "ftrace" structure in memory for -# subsequent formatting in the html output file -def analyzeTraceLog(): - global sysvals, data - - # the ftrace data is tied to the dmesg data - if(not data.usedmesg): - return - - # read through the ftrace and parse the data - data.vprint("Analyzing the ftrace data...") - ftrace_line_fmt = r"^ *(?P<time>[0-9\.]*) *\| *(?P<cpu>[0-9]*)\)"+\ - " *(?P<proc>.*)-(?P<pid>[0-9]*) *\|"+\ - "[ +!]*(?P<dur>[0-9\.]*) .*\| (?P<msg>.*)" - ftemp = dict() - inthepipe = False +# Pull in the stamp comment line from the data file(s), +# create the stamp, and add it to the global sysvals object +# Arguments: +# m: the valid re.match output for the stamp line +def parseStamp(m, data): + global sysvals + data.stamp = {'time': '', 'host': '', 'mode': ''} + dt = datetime(int(m.group('y'))+2000, int(m.group('m')), + int(m.group('d')), int(m.group('H')), int(m.group('M')), + int(m.group('S'))) + data.stamp['time'] = dt.strftime('%B %d %Y, %I:%M:%S %p') + data.stamp['host'] = m.group('host') + data.stamp['mode'] = m.group('mode') + data.stamp['kernel'] = m.group('kernel') + sysvals.suspendmode = data.stamp['mode'] + if not sysvals.stamp: + sysvals.stamp = data.stamp + +# Function: diffStamp +# Description: +# compare the host, kernel, and mode fields in 3 stamps +# Arguments: +# stamp1: string array with mode, kernel, and host +# stamp2: string array with mode, kernel, and host +# Return: +# True if stamps differ, False if they're the same +def diffStamp(stamp1, stamp2): + if 'host' in stamp1 and 'host' in stamp2: + if stamp1['host'] != stamp2['host']: + return True + if 'kernel' in stamp1 and 'kernel' in stamp2: + if stamp1['kernel'] != stamp2['kernel']: + return True + if 'mode' in stamp1 and 'mode' in stamp2: + if stamp1['mode'] != stamp2['mode']: + return True + return False + +# Function: doesTraceLogHaveTraceEvents +# Description: +# Quickly determine if the ftrace log has some or all of the trace events +# required for primary parsing. Set the usetraceevents and/or +# usetraceeventsonly flags in the global sysvals object +def doesTraceLogHaveTraceEvents(): + global sysvals + + sysvals.usetraceeventsonly = True + sysvals.usetraceevents = False + for e in sysvals.traceevents: + out = os.popen('cat '+sysvals.ftracefile+' | grep "'+e+': "').read() + if(not out): + sysvals.usetraceeventsonly = False + if(e == 'suspend_resume' and out): + sysvals.usetraceevents = True + +# Function: appendIncompleteTraceLog +# Description: +# [deprecated for kernel 3.15 or newer] +# Legacy support of ftrace outputs that lack the device_pm_callback +# and/or suspend_resume trace events. The primary data should be +# taken from dmesg, and this ftrace is used only for callgraph data +# or custom actions in the timeline. The data is appended to the Data +# objects provided. +# Arguments: +# testruns: the array of Data objects obtained from parseKernelLog +def appendIncompleteTraceLog(testruns): + global sysvals + + # create TestRun vessels for ftrace parsing + testcnt = len(testruns) + testidx = -1 + testrun = [] + for data in testruns: + testrun.append(TestRun(data)) + + # extract the callgraph and traceevent data + vprint('Analyzing the ftrace data...') tf = open(sysvals.ftracefile, 'r') - count = 0 for line in tf: - count = count + 1 - # grab the time stamp if it's valid - if(count == 1): - parseStamp(line) + # remove any latent carriage returns + line = line.replace('\r\n', '') + # grab the time stamp first (signifies the start of the test run) + m = re.match(sysvals.stampfmt, line) + if(m): + testidx += 1 + parseStamp(m, testrun[testidx].data) + continue + # pull out any firmware data + if(re.match(sysvals.firmwarefmt, line)): + continue + # if we havent found a test time stamp yet keep spinning til we do + if(testidx < 0): + continue + # determine the trace data type (required for further parsing) + m = re.match(sysvals.tracertypefmt, line) + if(m): + tracer = m.group('t') + testrun[testidx].setTracerType(tracer) continue - # parse only valid lines - m = re.match(ftrace_line_fmt, line) + # parse only valid lines, if this isnt one move on + m = re.match(testrun[testidx].ftrace_line_fmt, line) if(not m): continue - m_time = m.group("time") - m_pid = m.group("pid") - m_msg = m.group("msg") - m_dur = m.group("dur") + # gather the basic message data from the line + m_time = m.group('time') + m_pid = m.group('pid') + m_msg = m.group('msg') + if(testrun[testidx].cgformat): + m_param3 = m.group('dur') + else: + m_param3 = 'traceevent' if(m_time and m_pid and m_msg): - t = FTraceLine(m_time, m_msg, m_dur) + t = FTraceLine(m_time, m_msg, m_param3) pid = int(m_pid) else: continue @@ -512,265 +1105,840 @@ def analyzeTraceLog(): if(not t.fcall and not t.freturn and not t.fevent): continue # only parse the ftrace data during suspend/resume - if(not inthepipe): + data = testrun[testidx].data + if(not testrun[testidx].inthepipe): # look for the suspend start marker if(t.fevent): - if(t.name == "SUSPEND START"): - data.vprint("SUSPEND START %f %s:%d" % (t.time, sysvals.ftracefile, count)) - inthepipe = True + if(t.name == 'SUSPEND START'): + testrun[testidx].inthepipe = True + data.setStart(t.time) continue else: - # look for the resume end marker + # trace event processing if(t.fevent): - if(t.name == "RESUME COMPLETE"): - data.vprint("RESUME COMPLETE %f %s:%d" % (t.time, sysvals.ftracefile, count)) - inthepipe = False - break + if(t.name == 'RESUME COMPLETE'): + testrun[testidx].inthepipe = False + data.setEnd(t.time) + if(testidx == testcnt - 1): + break + continue + # general trace events have two types, begin and end + if(re.match('(?P<name>.*) begin$', t.name)): + isbegin = True + elif(re.match('(?P<name>.*) end$', t.name)): + isbegin = False + else: + continue + m = re.match('(?P<name>.*)\[(?P<val>[0-9]*)\] .*', t.name) + if(m): + val = m.group('val') + if val == '0': + name = m.group('name') + else: + name = m.group('name')+'['+val+']' + else: + m = re.match('(?P<name>.*) .*', t.name) + name = m.group('name') + # special processing for trace events + if re.match('dpm_prepare\[.*', name): + continue + elif re.match('machine_suspend.*', name): + continue + elif re.match('suspend_enter\[.*', name): + if(not isbegin): + data.dmesg['suspend_prepare']['end'] = t.time + continue + elif re.match('dpm_suspend\[.*', name): + if(not isbegin): + data.dmesg['suspend']['end'] = t.time + continue + elif re.match('dpm_suspend_late\[.*', name): + if(isbegin): + data.dmesg['suspend_late']['start'] = t.time + else: + data.dmesg['suspend_late']['end'] = t.time + continue + elif re.match('dpm_suspend_noirq\[.*', name): + if(isbegin): + data.dmesg['suspend_noirq']['start'] = t.time + else: + data.dmesg['suspend_noirq']['end'] = t.time + continue + elif re.match('dpm_resume_noirq\[.*', name): + if(isbegin): + data.dmesg['resume_machine']['end'] = t.time + data.dmesg['resume_noirq']['start'] = t.time + else: + data.dmesg['resume_noirq']['end'] = t.time + continue + elif re.match('dpm_resume_early\[.*', name): + if(isbegin): + data.dmesg['resume_early']['start'] = t.time + else: + data.dmesg['resume_early']['end'] = t.time + continue + elif re.match('dpm_resume\[.*', name): + if(isbegin): + data.dmesg['resume']['start'] = t.time + else: + data.dmesg['resume']['end'] = t.time + continue + elif re.match('dpm_complete\[.*', name): + if(isbegin): + data.dmesg['resume_complete']['start'] = t.time + else: + data.dmesg['resume_complete']['end'] = t.time + continue + # is this trace event outside of the devices calls + if(data.isTraceEventOutsideDeviceCalls(pid, t.time)): + # global events (outside device calls) are simply graphed + if(isbegin): + # store each trace event in ttemp + if(name not in testrun[testidx].ttemp): + testrun[testidx].ttemp[name] = [] + testrun[testidx].ttemp[name].append(\ + {'begin': t.time, 'end': t.time}) + else: + # finish off matching trace event in ttemp + if(name in testrun[testidx].ttemp): + testrun[testidx].ttemp[name][-1]['end'] = t.time + else: + if(isbegin): + data.addIntraDevTraceEvent('', name, pid, t.time) + else: + data.capIntraDevTraceEvent('', name, pid, t.time) + # call/return processing + elif sysvals.usecallgraph: + # create a callgraph object for the data + if(pid not in testrun[testidx].ftemp): + testrun[testidx].ftemp[pid] = [] + testrun[testidx].ftemp[pid].append(FTraceCallGraph()) + # when the call is finished, see which device matches it + cg = testrun[testidx].ftemp[pid][-1] + if(cg.addLine(t, m)): + testrun[testidx].ftemp[pid].append(FTraceCallGraph()) + tf.close() + + for test in testrun: + # add the traceevent data to the device hierarchy + if(sysvals.usetraceevents): + for name in test.ttemp: + for event in test.ttemp[name]: + begin = event['begin'] + end = event['end'] + # if event starts before timeline start, expand timeline + if(begin < test.data.start): + test.data.setStart(begin) + # if event ends after timeline end, expand the timeline + if(end > test.data.end): + test.data.setEnd(end) + test.data.newActionGlobal(name, begin, end) + + # add the callgraph data to the device hierarchy + for pid in test.ftemp: + for cg in test.ftemp[pid]: + if(not cg.sanityCheck()): + id = 'task %s cpu %s' % (pid, m.group('cpu')) + vprint('Sanity check failed for '+\ + id+', ignoring this callback') + continue + callstart = cg.start + callend = cg.end + for p in test.data.phases: + if(test.data.dmesg[p]['start'] <= callstart and + callstart <= test.data.dmesg[p]['end']): + list = test.data.dmesg[p]['list'] + for devname in list: + dev = list[devname] + if(pid == dev['pid'] and + callstart <= dev['start'] and + callend >= dev['end']): + dev['ftrace'] = cg + break + + if(sysvals.verbose): + test.data.printDetails() + + + # add the time in between the tests as a new phase so we can see it + if(len(testruns) > 1): + t1e = testruns[0].getEnd() + t2s = testruns[-1].getStart() + testruns[-1].newPhaseWithSingleAction('user mode', \ + 'user mode', t1e, t2s, '#FF9966') + +# Function: parseTraceLog +# Description: +# Analyze an ftrace log output file generated from this app during +# the execution phase. Used when the ftrace log is the primary data source +# and includes the suspend_resume and device_pm_callback trace events +# The ftrace filename is taken from sysvals +# Output: +# An array of Data objects +def parseTraceLog(): + global sysvals + + vprint('Analyzing the ftrace data...') + if(os.path.exists(sysvals.ftracefile) == False): + doError('%s doesnt exist' % sysvals.ftracefile, False) + + # extract the callgraph and traceevent data + testruns = [] + testdata = [] + testrun = 0 + data = 0 + tf = open(sysvals.ftracefile, 'r') + phase = 'suspend_prepare' + for line in tf: + # remove any latent carriage returns + line = line.replace('\r\n', '') + # stamp line: each stamp means a new test run + m = re.match(sysvals.stampfmt, line) + if(m): + data = Data(len(testdata)) + testdata.append(data) + testrun = TestRun(data) + testruns.append(testrun) + parseStamp(m, data) + continue + if(not data): + continue + # firmware line: pull out any firmware data + m = re.match(sysvals.firmwarefmt, line) + if(m): + data.fwSuspend = int(m.group('s')) + data.fwResume = int(m.group('r')) + if(data.fwSuspend > 0 or data.fwResume > 0): + data.fwValid = True + continue + # tracer type line: determine the trace data type + m = re.match(sysvals.tracertypefmt, line) + if(m): + tracer = m.group('t') + testrun.setTracerType(tracer) + continue + # post resume time line: did this test run include post-resume data + m = re.match(sysvals.postresumefmt, line) + if(m): + t = int(m.group('t')) + if(t > 0): + sysvals.postresumetime = t + continue + # ftrace line: parse only valid lines + m = re.match(testrun.ftrace_line_fmt, line) + if(not m): + continue + # gather the basic message data from the line + m_time = m.group('time') + m_pid = m.group('pid') + m_msg = m.group('msg') + if(testrun.cgformat): + m_param3 = m.group('dur') + else: + m_param3 = 'traceevent' + if(m_time and m_pid and m_msg): + t = FTraceLine(m_time, m_msg, m_param3) + pid = int(m_pid) + else: + continue + # the line should be a call, return, or event + if(not t.fcall and not t.freturn and not t.fevent): + continue + # only parse the ftrace data during suspend/resume + if(not testrun.inthepipe): + # look for the suspend start marker + if(t.fevent): + if(t.name == 'SUSPEND START'): + testrun.inthepipe = True + data.setStart(t.time) + continue + # trace event processing + if(t.fevent): + if(t.name == 'RESUME COMPLETE'): + if(sysvals.postresumetime > 0): + phase = 'post_resume' + data.newPhase(phase, t.time, t.time, '#FF9966', -1) + else: + testrun.inthepipe = False + data.setEnd(t.time) + continue + if(phase == 'post_resume'): + data.setEnd(t.time) + if(t.type == 'suspend_resume'): + # suspend_resume trace events have two types, begin and end + if(re.match('(?P<name>.*) begin$', t.name)): + isbegin = True + elif(re.match('(?P<name>.*) end$', t.name)): + isbegin = False + else: + continue + m = re.match('(?P<name>.*)\[(?P<val>[0-9]*)\] .*', t.name) + if(m): + val = m.group('val') + if val == '0': + name = m.group('name') + else: + name = m.group('name')+'['+val+']' + else: + m = re.match('(?P<name>.*) .*', t.name) + name = m.group('name') + # ignore these events + if(re.match('acpi_suspend\[.*', t.name) or + re.match('suspend_enter\[.*', name)): + continue + # -- phase changes -- + # suspend_prepare start + if(re.match('dpm_prepare\[.*', t.name)): + phase = 'suspend_prepare' + if(not isbegin): + data.dmesg[phase]['end'] = t.time + continue + # suspend start + elif(re.match('dpm_suspend\[.*', t.name)): + phase = 'suspend' + data.setPhase(phase, t.time, isbegin) + continue + # suspend_late start + elif(re.match('dpm_suspend_late\[.*', t.name)): + phase = 'suspend_late' + data.setPhase(phase, t.time, isbegin) + continue + # suspend_noirq start + elif(re.match('dpm_suspend_noirq\[.*', t.name)): + phase = 'suspend_noirq' + data.setPhase(phase, t.time, isbegin) + if(not isbegin): + phase = 'suspend_machine' + data.dmesg[phase]['start'] = t.time + continue + # suspend_machine/resume_machine + elif(re.match('machine_suspend\[.*', t.name)): + if(isbegin): + phase = 'suspend_machine' + data.dmesg[phase]['end'] = t.time + data.tSuspended = t.time + else: + if(sysvals.suspendmode in ['mem', 'disk']): + data.dmesg['suspend_machine']['end'] = t.time + data.tSuspended = t.time + phase = 'resume_machine' + data.dmesg[phase]['start'] = t.time + data.tResumed = t.time + data.tLow = data.tResumed - data.tSuspended + continue + # resume_noirq start + elif(re.match('dpm_resume_noirq\[.*', t.name)): + phase = 'resume_noirq' + data.setPhase(phase, t.time, isbegin) + if(isbegin): + data.dmesg['resume_machine']['end'] = t.time + continue + # resume_early start + elif(re.match('dpm_resume_early\[.*', t.name)): + phase = 'resume_early' + data.setPhase(phase, t.time, isbegin) + continue + # resume start + elif(re.match('dpm_resume\[.*', t.name)): + phase = 'resume' + data.setPhase(phase, t.time, isbegin) + continue + # resume complete start + elif(re.match('dpm_complete\[.*', t.name)): + phase = 'resume_complete' + if(isbegin): + data.dmesg[phase]['start'] = t.time + continue + + # is this trace event outside of the devices calls + if(data.isTraceEventOutsideDeviceCalls(pid, t.time)): + # global events (outside device calls) are simply graphed + if(name not in testrun.ttemp): + testrun.ttemp[name] = [] + if(isbegin): + # create a new list entry + testrun.ttemp[name].append(\ + {'begin': t.time, 'end': t.time}) + else: + if(len(testrun.ttemp[name]) > 0): + # if an antry exists, assume this is its end + testrun.ttemp[name][-1]['end'] = t.time + elif(phase == 'post_resume'): + # post resume events can just have ends + testrun.ttemp[name].append({ + 'begin': data.dmesg[phase]['start'], + 'end': t.time}) + else: + if(isbegin): + data.addIntraDevTraceEvent('', name, pid, t.time) + else: + data.capIntraDevTraceEvent('', name, pid, t.time) + # device callback start + elif(t.type == 'device_pm_callback_start'): + m = re.match('(?P<drv>.*) (?P<d>.*), parent: *(?P<p>.*), .*',\ + t.name); + if(not m): + continue + drv = m.group('drv') + n = m.group('d') + p = m.group('p') + if(n and p): + data.newAction(phase, n, pid, p, t.time, -1, drv) + # device callback finish + elif(t.type == 'device_pm_callback_end'): + m = re.match('(?P<drv>.*) (?P<d>.*), err.*', t.name); + if(not m): + continue + n = m.group('d') + list = data.dmesg[phase]['list'] + if(n in list): + dev = list[n] + dev['length'] = t.time - dev['start'] + dev['end'] = t.time + # callgraph processing + elif sysvals.usecallgraph: + # this shouldn't happen, but JIC, ignore callgraph data post-res + if(phase == 'post_resume'): continue # create a callgraph object for the data - if(pid not in ftemp): - ftemp[pid] = FTraceCallGraph() + if(pid not in testrun.ftemp): + testrun.ftemp[pid] = [] + testrun.ftemp[pid].append(FTraceCallGraph()) # when the call is finished, see which device matches it - if(ftemp[pid].addLine(t, m)): - if(not ftemp[pid].sanityCheck()): - id = "task %s cpu %s" % (pid, m.group("cpu")) - data.vprint("Sanity check failed for "+id+", ignoring this callback") + cg = testrun.ftemp[pid][-1] + if(cg.addLine(t, m)): + testrun.ftemp[pid].append(FTraceCallGraph()) + tf.close() + + for test in testruns: + # add the traceevent data to the device hierarchy + if(sysvals.usetraceevents): + for name in test.ttemp: + for event in test.ttemp[name]: + begin = event['begin'] + end = event['end'] + # if event starts before timeline start, expand timeline + if(begin < test.data.start): + test.data.setStart(begin) + # if event ends after timeline end, expand the timeline + if(end > test.data.end): + test.data.setEnd(end) + test.data.newActionGlobal(name, begin, end) + + # add the callgraph data to the device hierarchy + borderphase = { + 'dpm_prepare': 'suspend_prepare', + 'dpm_complete': 'resume_complete' + } + for pid in test.ftemp: + for cg in test.ftemp[pid]: + if len(cg.list) < 2: + continue + if(not cg.sanityCheck()): + id = 'task %s cpu %s' % (pid, m.group('cpu')) + vprint('Sanity check failed for '+\ + id+', ignoring this callback') + continue + callstart = cg.start + callend = cg.end + if(cg.list[0].name in borderphase): + p = borderphase[cg.list[0].name] + list = test.data.dmesg[p]['list'] + for devname in list: + dev = list[devname] + if(pid == dev['pid'] and + callstart <= dev['start'] and + callend >= dev['end']): + dev['ftrace'] = cg.slice(dev['start'], dev['end']) continue - callstart = ftemp[pid].start - callend = ftemp[pid].end - for p in data.phases: - if(data.dmesg[p]['start'] <= callstart and callstart <= data.dmesg[p]['end']): - list = data.dmesg[p]['list'] + if(cg.list[0].name != 'dpm_run_callback'): + continue + for p in test.data.phases: + if(test.data.dmesg[p]['start'] <= callstart and + callstart <= test.data.dmesg[p]['end']): + list = test.data.dmesg[p]['list'] for devname in list: dev = list[devname] - if(pid == dev['pid'] and callstart <= dev['start'] and callend >= dev['end']): - data.vprint("%15s [%f - %f] %s(%d)" % (p, callstart, callend, devname, pid)) - dev['ftrace'] = ftemp[pid] + if(pid == dev['pid'] and + callstart <= dev['start'] and + callend >= dev['end']): + dev['ftrace'] = cg break - ftemp[pid] = FTraceCallGraph() - tf.close() -# Function: sortKernelLog + # fill in any missing phases + for data in testdata: + lp = data.phases[0] + for p in data.phases: + if(data.dmesg[p]['start'] < 0 and data.dmesg[p]['end'] < 0): + print('WARNING: phase "%s" is missing!' % p) + if(data.dmesg[p]['start'] < 0): + data.dmesg[p]['start'] = data.dmesg[lp]['end'] + if(p == 'resume_machine'): + data.tSuspended = data.dmesg[lp]['end'] + data.tResumed = data.dmesg[lp]['end'] + data.tLow = 0 + if(data.dmesg[p]['end'] < 0): + data.dmesg[p]['end'] = data.dmesg[p]['start'] + lp = p + + if(len(sysvals.devicefilter) > 0): + data.deviceFilter(sysvals.devicefilter) + data.fixupInitcallsThatDidntReturn() + if(sysvals.verbose): + data.printDetails() + + # add the time in between the tests as a new phase so we can see it + if(len(testdata) > 1): + t1e = testdata[0].getEnd() + t2s = testdata[-1].getStart() + testdata[-1].newPhaseWithSingleAction('user mode', \ + 'user mode', t1e, t2s, '#FF9966') + return testdata + +# Function: loadKernelLog # Description: -# The dmesg output log sometimes comes with with lines that have -# timestamps out of order. This could cause issues since a call -# could accidentally end up in the wrong phase -def sortKernelLog(): - global sysvals, data +# [deprecated for kernel 3.15.0 or newer] +# load the dmesg file into memory and fix up any ordering issues +# The dmesg filename is taken from sysvals +# Output: +# An array of empty Data objects with only their dmesgtext attributes set +def loadKernelLog(): + global sysvals + + vprint('Analyzing the dmesg data...') + if(os.path.exists(sysvals.dmesgfile) == False): + doError('%s doesnt exist' % sysvals.dmesgfile, False) + + # there can be multiple test runs in a single file delineated by stamps + testruns = [] + data = 0 lf = open(sysvals.dmesgfile, 'r') - dmesglist = [] - count = 0 for line in lf: - line = line.replace("\r\n", "") - if(count == 0): - parseStamp(line) - elif(count == 1): - m = re.match(r"# fwsuspend (?P<s>[0-9]*) fwresume (?P<r>[0-9]*)$", line) - if(m): - data.fwSuspend = int(m.group("s")) - data.fwResume = int(m.group("r")) - if(data.fwSuspend > 0 or data.fwResume > 0): - data.fwValid = True - if(re.match(r".*(\[ *)(?P<ktime>[0-9\.]*)(\]) (?P<msg>.*)", line)): - dmesglist.append(line) - count += 1 + line = line.replace('\r\n', '') + idx = line.find('[') + if idx > 1: + line = line[idx:] + m = re.match(sysvals.stampfmt, line) + if(m): + if(data): + testruns.append(data) + data = Data(len(testruns)) + parseStamp(m, data) + continue + if(not data): + continue + m = re.match(sysvals.firmwarefmt, line) + if(m): + data.fwSuspend = int(m.group('s')) + data.fwResume = int(m.group('r')) + if(data.fwSuspend > 0 or data.fwResume > 0): + data.fwValid = True + continue + m = re.match('[ \t]*(\[ *)(?P<ktime>[0-9\.]*)(\]) (?P<msg>.*)', line) + if(m): + data.dmesgtext.append(line) + if(re.match('ACPI: resume from mwait', m.group('msg'))): + print('NOTE: This suspend appears to be freeze rather than'+\ + ' %s, it will be treated as such' % sysvals.suspendmode) + sysvals.suspendmode = 'freeze' + else: + vprint('ignoring dmesg line: %s' % line.replace('\n', '')) + testruns.append(data) lf.close() - last = "" - - # fix lines with the same time stamp and function with the call and return swapped - for line in dmesglist: - mc = re.match(r".*(\[ *)(?P<t>[0-9\.]*)(\]) calling (?P<f>.*)\+ @ .*, parent: .*", line) - mr = re.match(r".*(\[ *)(?P<t>[0-9\.]*)(\]) call (?P<f>.*)\+ returned .* after (?P<dt>.*) usecs", last) - if(mc and mr and (mc.group("t") == mr.group("t")) and (mc.group("f") == mr.group("f"))): - i = dmesglist.index(last) - j = dmesglist.index(line) - dmesglist[i] = line - dmesglist[j] = last - last = line - return dmesglist - -# Function: analyzeKernelLog + + if(not data): + print('ERROR: analyze_suspend header missing from dmesg log') + sys.exit() + + # fix lines with same timestamp/function with the call and return swapped + for data in testruns: + last = '' + for line in data.dmesgtext: + mc = re.match('.*(\[ *)(?P<t>[0-9\.]*)(\]) calling '+\ + '(?P<f>.*)\+ @ .*, parent: .*', line) + mr = re.match('.*(\[ *)(?P<t>[0-9\.]*)(\]) call '+\ + '(?P<f>.*)\+ returned .* after (?P<dt>.*) usecs', last) + if(mc and mr and (mc.group('t') == mr.group('t')) and + (mc.group('f') == mr.group('f'))): + i = data.dmesgtext.index(last) + j = data.dmesgtext.index(line) + data.dmesgtext[i] = line + data.dmesgtext[j] = last + last = line + return testruns + +# Function: parseKernelLog # Description: +# [deprecated for kernel 3.15.0 or newer] # Analyse a dmesg log output file generated from this app during # the execution phase. Create a set of device structures in memory # for subsequent formatting in the html output file -def analyzeKernelLog(): - global sysvals, data +# This call is only for legacy support on kernels where the ftrace +# data lacks the suspend_resume or device_pm_callbacks trace events. +# Arguments: +# data: an empty Data object (with dmesgtext) obtained from loadKernelLog +# Output: +# The filled Data object +def parseKernelLog(data): + global sysvals - print("PROCESSING DATA") - data.vprint("Analyzing the dmesg data...") - if(os.path.exists(sysvals.dmesgfile) == False): - print("ERROR: %s doesn't exist") % sysvals.dmesgfile - return False + phase = 'suspend_runtime' - lf = sortKernelLog() - phase = "suspend_runtime" + if(data.fwValid): + vprint('Firmware Suspend = %u ns, Firmware Resume = %u ns' % \ + (data.fwSuspend, data.fwResume)) + # dmesg phase match table dm = { - 'suspend_general': r"PM: Syncing filesystems.*", - 'suspend_early': r"PM: suspend of devices complete after.*", - 'suspend_noirq': r"PM: late suspend of devices complete after.*", - 'suspend_cpu': r"PM: noirq suspend of devices complete after.*", - 'resume_cpu': r"ACPI: Low-level resume complete.*", - 'resume_noirq': r"ACPI: Waking up from system sleep state.*", - 'resume_early': r"PM: noirq resume of devices complete after.*", - 'resume_general': r"PM: early resume of devices complete after.*", - 'resume_complete': r".*Restarting tasks \.\.\..*", + 'suspend_prepare': 'PM: Syncing filesystems.*', + 'suspend': 'PM: Entering [a-z]* sleep.*', + 'suspend_late': 'PM: suspend of devices complete after.*', + 'suspend_noirq': 'PM: late suspend of devices complete after.*', + 'suspend_machine': 'PM: noirq suspend of devices complete after.*', + 'resume_machine': 'ACPI: Low-level resume complete.*', + 'resume_noirq': 'ACPI: Waking up from system sleep state.*', + 'resume_early': 'PM: noirq resume of devices complete after.*', + 'resume': 'PM: early resume of devices complete after.*', + 'resume_complete': 'PM: resume of devices complete after.*', + 'post_resume': '.*Restarting tasks \.\.\..*', } - if(sysvals.suspendmode == "standby"): - dm['resume_cpu'] = r"PM: Restoring platform NVS memory" - elif(sysvals.suspendmode == "disk"): - dm['suspend_early'] = r"PM: freeze of devices complete after.*" - dm['suspend_noirq'] = r"PM: late freeze of devices complete after.*" - dm['suspend_cpu'] = r"PM: noirq freeze of devices complete after.*" - dm['resume_cpu'] = r"PM: Restoring platform NVS memory" - dm['resume_early'] = r"PM: noirq restore of devices complete after.*" - dm['resume_general'] = r"PM: early restore of devices complete after.*" - - action_start = 0.0 - for line in lf: + if(sysvals.suspendmode == 'standby'): + dm['resume_machine'] = 'PM: Restoring platform NVS memory' + elif(sysvals.suspendmode == 'disk'): + dm['suspend_late'] = 'PM: freeze of devices complete after.*' + dm['suspend_noirq'] = 'PM: late freeze of devices complete after.*' + dm['suspend_machine'] = 'PM: noirq freeze of devices complete after.*' + dm['resume_machine'] = 'PM: Restoring platform NVS memory' + dm['resume_early'] = 'PM: noirq restore of devices complete after.*' + dm['resume'] = 'PM: early restore of devices complete after.*' + dm['resume_complete'] = 'PM: restore of devices complete after.*' + elif(sysvals.suspendmode == 'freeze'): + dm['resume_machine'] = 'ACPI: resume from mwait' + + # action table (expected events that occur and show up in dmesg) + at = { + 'sync_filesystems': { + 'smsg': 'PM: Syncing filesystems.*', + 'emsg': 'PM: Preparing system for mem sleep.*' }, + 'freeze_user_processes': { + 'smsg': 'Freezing user space processes .*', + 'emsg': 'Freezing remaining freezable tasks.*' }, + 'freeze_tasks': { + 'smsg': 'Freezing remaining freezable tasks.*', + 'emsg': 'PM: Entering (?P<mode>[a-z,A-Z]*) sleep.*' }, + 'ACPI prepare': { + 'smsg': 'ACPI: Preparing to enter system sleep state.*', + 'emsg': 'PM: Saving platform NVS memory.*' }, + 'PM vns': { + 'smsg': 'PM: Saving platform NVS memory.*', + 'emsg': 'Disabling non-boot CPUs .*' }, + } + + t0 = -1.0 + cpu_start = -1.0 + prevktime = -1.0 + actions = dict() + for line in data.dmesgtext: # -- preprocessing -- # parse each dmesg line into the time and message - m = re.match(r".*(\[ *)(?P<ktime>[0-9\.]*)(\]) (?P<msg>.*)", line) + m = re.match('[ \t]*(\[ *)(?P<ktime>[0-9\.]*)(\]) (?P<msg>.*)', line) if(m): - ktime = float(m.group("ktime")) - msg = m.group("msg") + val = m.group('ktime') + try: + ktime = float(val) + except: + doWarning('INVALID DMESG LINE: '+\ + line.replace('\n', ''), 'dmesg') + continue + msg = m.group('msg') + # initialize data start to first line time + if t0 < 0: + data.setStart(ktime) + t0 = ktime else: - print line continue + # hack for determining resume_machine end for freeze + if(not sysvals.usetraceevents and sysvals.suspendmode == 'freeze' \ + and phase == 'resume_machine' and \ + re.match('calling (?P<f>.*)\+ @ .*, parent: .*', msg)): + data.dmesg['resume_machine']['end'] = ktime + phase = 'resume_noirq' + data.dmesg[phase]['start'] = ktime + # -- phase changes -- - # suspend_general start - if(re.match(dm['suspend_general'], msg)): - phase = "suspend_general" + # suspend start + if(re.match(dm['suspend_prepare'], msg)): + phase = 'suspend_prepare' + data.dmesg[phase]['start'] = ktime + data.setStart(ktime) + # suspend start + elif(re.match(dm['suspend'], msg)): + data.dmesg['suspend_prepare']['end'] = ktime + phase = 'suspend' data.dmesg[phase]['start'] = ktime - data.start = ktime - # action start: syncing filesystems - action_start = ktime - # suspend_early start - elif(re.match(dm['suspend_early'], msg)): - data.dmesg["suspend_general"]['end'] = ktime - phase = "suspend_early" + # suspend_late start + elif(re.match(dm['suspend_late'], msg)): + data.dmesg['suspend']['end'] = ktime + phase = 'suspend_late' data.dmesg[phase]['start'] = ktime # suspend_noirq start elif(re.match(dm['suspend_noirq'], msg)): - data.dmesg["suspend_early"]['end'] = ktime - phase = "suspend_noirq" + data.dmesg['suspend_late']['end'] = ktime + phase = 'suspend_noirq' data.dmesg[phase]['start'] = ktime - # suspend_cpu start - elif(re.match(dm['suspend_cpu'], msg)): - data.dmesg["suspend_noirq"]['end'] = ktime - phase = "suspend_cpu" + # suspend_machine start + elif(re.match(dm['suspend_machine'], msg)): + data.dmesg['suspend_noirq']['end'] = ktime + phase = 'suspend_machine' data.dmesg[phase]['start'] = ktime - # resume_cpu start - elif(re.match(dm['resume_cpu'], msg)): - data.tSuspended = ktime - data.dmesg["suspend_cpu"]['end'] = ktime - phase = "resume_cpu" + # resume_machine start + elif(re.match(dm['resume_machine'], msg)): + if(sysvals.suspendmode in ['freeze', 'standby']): + data.tSuspended = prevktime + data.dmesg['suspend_machine']['end'] = prevktime + else: + data.tSuspended = ktime + data.dmesg['suspend_machine']['end'] = ktime + phase = 'resume_machine' + data.tResumed = ktime + data.tLow = data.tResumed - data.tSuspended data.dmesg[phase]['start'] = ktime # resume_noirq start elif(re.match(dm['resume_noirq'], msg)): - data.dmesg["resume_cpu"]['end'] = ktime - phase = "resume_noirq" + data.dmesg['resume_machine']['end'] = ktime + phase = 'resume_noirq' data.dmesg[phase]['start'] = ktime - # action end: ACPI resume - data.newAction("resume_cpu", "ACPI", -1, "", action_start, ktime) # resume_early start elif(re.match(dm['resume_early'], msg)): - data.dmesg["resume_noirq"]['end'] = ktime - phase = "resume_early" + data.dmesg['resume_noirq']['end'] = ktime + phase = 'resume_early' data.dmesg[phase]['start'] = ktime - # resume_general start - elif(re.match(dm['resume_general'], msg)): - data.dmesg["resume_early"]['end'] = ktime - phase = "resume_general" + # resume start + elif(re.match(dm['resume'], msg)): + data.dmesg['resume_early']['end'] = ktime + phase = 'resume' data.dmesg[phase]['start'] = ktime # resume complete start elif(re.match(dm['resume_complete'], msg)): - data.dmesg["resume_general"]['end'] = ktime - data.end = ktime - phase = "resume_runtime" + data.dmesg['resume']['end'] = ktime + phase = 'resume_complete' + data.dmesg[phase]['start'] = ktime + # post resume start + elif(re.match(dm['post_resume'], msg)): + data.dmesg['resume_complete']['end'] = ktime + data.setEnd(ktime) + phase = 'post_resume' break # -- device callbacks -- if(phase in data.phases): # device init call - if(re.match(r"calling (?P<f>.*)\+ @ .*, parent: .*", msg)): - sm = re.match(r"calling (?P<f>.*)\+ @ (?P<n>.*), parent: (?P<p>.*)", msg); - f = sm.group("f") - n = sm.group("n") - p = sm.group("p") + if(re.match('calling (?P<f>.*)\+ @ .*, parent: .*', msg)): + sm = re.match('calling (?P<f>.*)\+ @ '+\ + '(?P<n>.*), parent: (?P<p>.*)', msg); + f = sm.group('f') + n = sm.group('n') + p = sm.group('p') if(f and n and p): - data.newAction(phase, f, int(n), p, ktime, -1) + data.newAction(phase, f, int(n), p, ktime, -1, '') # device init return - elif(re.match(r"call (?P<f>.*)\+ returned .* after (?P<t>.*) usecs", msg)): - sm = re.match(r"call (?P<f>.*)\+ returned .* after (?P<t>.*) usecs(?P<a>.*)", msg); - f = sm.group("f") - t = sm.group("t") + elif(re.match('call (?P<f>.*)\+ returned .* after '+\ + '(?P<t>.*) usecs', msg)): + sm = re.match('call (?P<f>.*)\+ returned .* after '+\ + '(?P<t>.*) usecs(?P<a>.*)', msg); + f = sm.group('f') + t = sm.group('t') list = data.dmesg[phase]['list'] if(f in list): dev = list[f] dev['length'] = int(t) dev['end'] = ktime - data.vprint("%15s [%f - %f] %s(%d) %s" % - (phase, dev['start'], dev['end'], f, dev['pid'], dev['par'])) - - # -- phase specific actions -- - if(phase == "suspend_general"): - if(re.match(r"PM: Preparing system for mem sleep.*", msg)): - data.newAction(phase, "filesystem-sync", -1, "", action_start, ktime) - elif(re.match(r"Freezing user space processes .*", msg)): - action_start = ktime - elif(re.match(r"Freezing remaining freezable tasks.*", msg)): - data.newAction(phase, "freeze-user-processes", -1, "", action_start, ktime) - action_start = ktime - elif(re.match(r"PM: Entering (?P<mode>[a-z,A-Z]*) sleep.*", msg)): - data.newAction(phase, "freeze-tasks", -1, "", action_start, ktime) - elif(phase == "suspend_cpu"): - m = re.match(r"smpboot: CPU (?P<cpu>[0-9]*) is now offline", msg) - if(m): - cpu = "CPU"+m.group("cpu") - data.newAction(phase, cpu, -1, "", action_start, ktime) - action_start = ktime - elif(re.match(r"ACPI: Preparing to enter system sleep state.*", msg)): - action_start = ktime - elif(re.match(r"Disabling non-boot CPUs .*", msg)): - data.newAction(phase, "ACPI", -1, "", action_start, ktime) - action_start = ktime - elif(phase == "resume_cpu"): - m = re.match(r"CPU(?P<cpu>[0-9]*) is up", msg) - if(m): - cpu = "CPU"+m.group("cpu") - data.newAction(phase, cpu, -1, "", action_start, ktime) - action_start = ktime - elif(re.match(r"Enabling non-boot CPUs .*", msg)): - action_start = ktime + + # -- non-devicecallback actions -- + # if trace events are not available, these are better than nothing + if(not sysvals.usetraceevents): + # look for known actions + for a in at: + if(re.match(at[a]['smsg'], msg)): + if(a not in actions): + actions[a] = [] + actions[a].append({'begin': ktime, 'end': ktime}) + if(re.match(at[a]['emsg'], msg)): + actions[a][-1]['end'] = ktime + # now look for CPU on/off events + if(re.match('Disabling non-boot CPUs .*', msg)): + # start of first cpu suspend + cpu_start = ktime + elif(re.match('Enabling non-boot CPUs .*', msg)): + # start of first cpu resume + cpu_start = ktime + elif(re.match('smpboot: CPU (?P<cpu>[0-9]*) is now offline', msg)): + # end of a cpu suspend, start of the next + m = re.match('smpboot: CPU (?P<cpu>[0-9]*) is now offline', msg) + cpu = 'CPU'+m.group('cpu') + if(cpu not in actions): + actions[cpu] = [] + actions[cpu].append({'begin': cpu_start, 'end': ktime}) + cpu_start = ktime + elif(re.match('CPU(?P<cpu>[0-9]*) is up', msg)): + # end of a cpu resume, start of the next + m = re.match('CPU(?P<cpu>[0-9]*) is up', msg) + cpu = 'CPU'+m.group('cpu') + if(cpu not in actions): + actions[cpu] = [] + actions[cpu].append({'begin': cpu_start, 'end': ktime}) + cpu_start = ktime + prevktime = ktime # fill in any missing phases - lp = "suspend_general" + lp = data.phases[0] for p in data.phases: - if(p == "suspend_general"): - continue + if(data.dmesg[p]['start'] < 0 and data.dmesg[p]['end'] < 0): + print('WARNING: phase "%s" is missing, something went wrong!' % p) + print(' In %s, this dmesg line denotes the start of %s:' % \ + (sysvals.suspendmode, p)) + print(' "%s"' % dm[p]) if(data.dmesg[p]['start'] < 0): data.dmesg[p]['start'] = data.dmesg[lp]['end'] - if(p == "resume_cpu"): + if(p == 'resume_machine'): data.tSuspended = data.dmesg[lp]['end'] + data.tResumed = data.dmesg[lp]['end'] + data.tLow = 0 if(data.dmesg[p]['end'] < 0): data.dmesg[p]['end'] = data.dmesg[p]['start'] lp = p + # fill in any actions we've found + for name in actions: + for event in actions[name]: + begin = event['begin'] + end = event['end'] + # if event starts before timeline start, expand timeline + if(begin < data.start): + data.setStart(begin) + # if event ends after timeline end, expand the timeline + if(end > data.end): + data.setEnd(end) + data.newActionGlobal(name, begin, end) + + if(sysvals.verbose): + data.printDetails() + if(len(sysvals.devicefilter) > 0): + data.deviceFilter(sysvals.devicefilter) data.fixupInitcallsThatDidntReturn() return True # Function: setTimelineRows # Description: -# Organize the device or thread lists into the smallest +# Organize the timeline entries into the smallest # number of rows possible, with no entry overlapping # Arguments: -# list: the list to sort (dmesg or ftrace) -# sortedkeys: sorted key list to use +# list: the list of devices/actions for a single phase +# sortedkeys: cronologically sorted key list to use +# Output: +# The total number of rows needed to display this phase of the timeline def setTimelineRows(list, sortedkeys): - global data # clear all rows and set them to undefined remaining = len(list) @@ -791,7 +1959,8 @@ def setTimelineRows(list, sortedkeys): for ritem in rowdata[row]: rs = ritem['start'] re = ritem['end'] - if(not (((s <= rs) and (e <= rs)) or ((s >= re) and (e >= re)))): + if(not (((s <= rs) and (e <= rs)) or + ((s >= re) and (e >= re)))): valid = False break if(valid): @@ -803,14 +1972,15 @@ def setTimelineRows(list, sortedkeys): # Function: createTimeScale # Description: -# Create timescale lines for the dmesg and ftrace timelines +# Create the timescale header for the html timeline # Arguments: # t0: start time (suspend begin) # tMax: end time (resume end) -# tSuspend: time when suspend occurs +# tSuspend: time when suspend occurs, i.e. the zero time +# Output: +# The html code needed to display the time scale def createTimeScale(t0, tMax, tSuspended): - global data - timescale = "<div class=\"t\" style=\"right:{0}%\">{1}</div>\n" + timescale = '<div class="t" style="right:{0}%">{1}</div>\n' output = '<div id="timescale">\n' # set scale for timeline @@ -822,11 +1992,11 @@ def createTimeScale(t0, tMax, tSuspended): tS = 1 if(tSuspended < 0): for i in range(int(tTotal/tS)+1): - pos = "%0.3f" % (100 - ((float(i)*tS*100)/tTotal)) + pos = '%0.3f' % (100 - ((float(i)*tS*100)/tTotal)) if(i > 0): - val = "%0.f" % (float(i)*tS*1000) + val = '%0.fms' % (float(i)*tS*1000) else: - val = "" + val = '' output += timescale.format(pos, val) else: tSuspend = tSuspended - t0 @@ -834,69 +2004,253 @@ def createTimeScale(t0, tMax, tSuspended): divSuspend = int(tSuspend/tS) s0 = (tSuspend - tS*divSuspend)*100/tTotal for i in range(divTotal): - pos = "%0.3f" % (100 - ((float(i)*tS*100)/tTotal) - s0) + pos = '%0.3f' % (100 - ((float(i)*tS*100)/tTotal) - s0) if((i == 0) and (s0 < 3)): - val = "" + val = '' elif(i == divSuspend): - val = "S/R" + val = 'S/R' else: - val = "%0.f" % (float(i-divSuspend)*tS*1000) + val = '%0.fms' % (float(i-divSuspend)*tS*1000) output += timescale.format(pos, val) output += '</div>\n' return output +# Function: createHTMLSummarySimple +# Description: +# Create summary html file for a series of tests +# Arguments: +# testruns: array of Data objects from parseTraceLog +def createHTMLSummarySimple(testruns, htmlfile): + global sysvals + + # print out the basic summary of all the tests + hf = open(htmlfile, 'w') + + # write the html header first (html head, css code, up to body start) + html = '<!DOCTYPE html>\n<html>\n<head>\n\ + <meta http-equiv="content-type" content="text/html; charset=UTF-8">\n\ + <title>AnalyzeSuspend Summary</title>\n\ + <style type=\'text/css\'>\n\ + body {overflow-y: scroll;}\n\ + .stamp {width: 100%;text-align:center;background-color:#495E09;line-height:30px;color:white;font: 25px Arial;}\n\ + table {width:100%;border-collapse: collapse;}\n\ + .summary {font: 22px Arial;border:1px solid;}\n\ + th {border: 1px solid black;background-color:#A7C942;color:white;}\n\ + td {text-align: center;}\n\ + tr.alt td {background-color:#EAF2D3;}\n\ + tr.avg td {background-color:#BDE34C;}\n\ + a:link {color: #90B521;}\n\ + a:visited {color: #495E09;}\n\ + a:hover {color: #B1DF28;}\n\ + a:active {color: #FFFFFF;}\n\ + </style>\n</head>\n<body>\n' + + # group test header + count = len(testruns) + headline_stamp = '<div class="stamp">{0} {1} {2} {3} ({4} tests)</div>\n' + html += headline_stamp.format(sysvals.stamp['host'], + sysvals.stamp['kernel'], sysvals.stamp['mode'], + sysvals.stamp['time'], count) + + # check to see if all the tests have the same value + stampcolumns = False + for data in testruns: + if diffStamp(sysvals.stamp, data.stamp): + stampcolumns = True + break + + th = '\t<th>{0}</th>\n' + td = '\t<td>{0}</td>\n' + tdlink = '\t<td><a href="{0}">Click Here</a></td>\n' + + # table header + html += '<table class="summary">\n<tr>\n' + html += th.format("Test #") + if stampcolumns: + html += th.format("Hostname") + html += th.format("Kernel Version") + html += th.format("Suspend Mode") + html += th.format("Test Time") + html += th.format("Suspend Time") + html += th.format("Resume Time") + html += th.format("Detail") + html += '</tr>\n' + + # test data, 1 row per test + sTimeAvg = 0.0 + rTimeAvg = 0.0 + num = 1 + for data in testruns: + # data.end is the end of post_resume + resumeEnd = data.dmesg['resume_complete']['end'] + if num % 2 == 1: + html += '<tr class="alt">\n' + else: + html += '<tr>\n' + + # test num + html += td.format("test %d" % num) + num += 1 + if stampcolumns: + # host name + val = "unknown" + if('host' in data.stamp): + val = data.stamp['host'] + html += td.format(val) + # host kernel + val = "unknown" + if('kernel' in data.stamp): + val = data.stamp['kernel'] + html += td.format(val) + # suspend mode + val = "unknown" + if('mode' in data.stamp): + val = data.stamp['mode'] + html += td.format(val) + # test time + val = "unknown" + if('time' in data.stamp): + val = data.stamp['time'] + html += td.format(val) + # suspend time + sTime = (data.tSuspended - data.start)*1000 + sTimeAvg += sTime + html += td.format("%3.3f ms" % sTime) + # resume time + rTime = (resumeEnd - data.tResumed)*1000 + rTimeAvg += rTime + html += td.format("%3.3f ms" % rTime) + # link to the output html + html += tdlink.format(data.outfile) + + html += '</tr>\n' + + # last line: test average + if(count > 0): + sTimeAvg /= count + rTimeAvg /= count + html += '<tr class="avg">\n' + html += td.format('Average') # name + if stampcolumns: + html += td.format('') # host + html += td.format('') # kernel + html += td.format('') # mode + html += td.format('') # time + html += td.format("%3.3f ms" % sTimeAvg) # suspend time + html += td.format("%3.3f ms" % rTimeAvg) # resume time + html += td.format('') # output link + html += '</tr>\n' + + # flush the data to file + hf.write(html+'</table>\n') + hf.write('</body>\n</html>\n') + hf.close() + # Function: createHTML # Description: -# Create the output html file. -def createHTML(): - global sysvals, data +# Create the output html file from the resident test data +# Arguments: +# testruns: array of Data objects from parseKernelLog or parseTraceLog +# Output: +# True if the html file was created, false if it failed +def createHTML(testruns): + global sysvals - data.normalizeTime() + for data in testruns: + data.normalizeTime(testruns[-1].tSuspended) + x2changes = ['', 'absolute'] + if len(testruns) > 1: + x2changes = ['1', 'relative'] # html function templates headline_stamp = '<div class="stamp">{0} {1} {2} {3}</div>\n' - html_zoombox = '<center><button id="zoomin">ZOOM IN</button><button id="zoomout">ZOOM OUT</button><button id="zoomdef">ZOOM 1:1</button></center>\n<div id="dmesgzoombox" class="zoombox">\n' - html_timeline = '<div id="{0}" class="timeline" style="height:{1}px">\n' + html_devlist1 = '<button id="devlist1" class="devlist" style="float:left;">Device Detail%s</button>' % x2changes[0] + html_zoombox = '<center><button id="zoomin">ZOOM IN</button><button id="zoomout">ZOOM OUT</button><button id="zoomdef">ZOOM 1:1</button></center>\n' + html_devlist2 = '<button id="devlist2" class="devlist" style="float:right;">Device Detail2</button>\n' + html_timeline = '<div id="dmesgzoombox" class="zoombox">\n<div id="{0}" class="timeline" style="height:{1}px">\n' html_device = '<div id="{0}" title="{1}" class="thread" style="left:{2}%;top:{3}%;height:{4}%;width:{5}%;">{6}</div>\n' + html_traceevent = '<div title="{0}" class="traceevent" style="left:{1}%;top:{2}%;height:{3}%;width:{4}%;border:1px solid {5};background-color:{5}">{6}</div>\n' html_phase = '<div class="phase" style="left:{0}%;width:{1}%;top:{2}%;height:{3}%;background-color:{4}">{5}</div>\n' + html_phaselet = '<div id="{0}" class="phaselet" style="left:{1}%;width:{2}%;background-color:{3}"></div>\n' html_legend = '<div class="square" style="left:{0}%;background-color:{1}"> {2}</div>\n' html_timetotal = '<table class="time1">\n<tr>'\ - '<td class="gray">{2} Suspend Time: <b>{0} ms</b></td>'\ - '<td class="gray">{2} Resume Time: <b>{1} ms</b></td>'\ + '<td class="green">{2} Suspend Time: <b>{0} ms</b></td>'\ + '<td class="yellow">{2} Resume Time: <b>{1} ms</b></td>'\ + '</tr>\n</table>\n' + html_timetotal2 = '<table class="time1">\n<tr>'\ + '<td class="green">{3} Suspend Time: <b>{0} ms</b></td>'\ + '<td class="gray">'+sysvals.suspendmode+' time: <b>{1} ms</b></td>'\ + '<td class="yellow">{3} Resume Time: <b>{2} ms</b></td>'\ '</tr>\n</table>\n' html_timegroups = '<table class="time2">\n<tr>'\ - '<td class="green">Kernel Suspend: {0} ms</td>'\ - '<td class="purple">Firmware Suspend: {1} ms</td>'\ - '<td class="purple">Firmware Resume: {2} ms</td>'\ - '<td class="yellow">Kernel Resume: {3} ms</td>'\ + '<td class="green">{4}Kernel Suspend: {0} ms</td>'\ + '<td class="purple">{4}Firmware Suspend: {1} ms</td>'\ + '<td class="purple">{4}Firmware Resume: {2} ms</td>'\ + '<td class="yellow">{4}Kernel Resume: {3} ms</td>'\ '</tr>\n</table>\n' - # device timeline (dmesg) - if(data.usedmesg): - data.vprint("Creating Device Timeline...") - devtl = Timeline() + # device timeline + vprint('Creating Device Timeline...') + devtl = Timeline() - # Generate the header for this timeline - t0 = data.start - tMax = data.end - tTotal = tMax - t0 + # Generate the header for this timeline + textnum = ['First', 'Second'] + for data in testruns: + tTotal = data.end - data.start + tEnd = data.dmesg['resume_complete']['end'] if(tTotal == 0): - print("ERROR: No timeline data") + print('ERROR: No timeline data') sys.exit() - suspend_time = "%.0f"%(-data.start*1000) - resume_time = "%.0f"%(data.end*1000) + if(data.tLow > 0): + low_time = '%.0f'%(data.tLow*1000) if data.fwValid: - devtl.html['timeline'] = html_timetotal.format(suspend_time, resume_time, "Total") - sktime = "%.3f"%((data.dmesg['suspend_cpu']['end'] - data.dmesg['suspend_general']['start'])*1000) - sftime = "%.3f"%(data.fwSuspend / 1000000.0) - rftime = "%.3f"%(data.fwResume / 1000000.0) - rktime = "%.3f"%((data.dmesg['resume_general']['end'] - data.dmesg['resume_cpu']['start'])*1000) - devtl.html['timeline'] += html_timegroups.format(sktime, sftime, rftime, rktime) + suspend_time = '%.0f'%((data.tSuspended-data.start)*1000 + \ + (data.fwSuspend/1000000.0)) + resume_time = '%.0f'%((tEnd-data.tSuspended)*1000 + \ + (data.fwResume/1000000.0)) + testdesc1 = 'Total' + testdesc2 = '' + if(len(testruns) > 1): + testdesc1 = testdesc2 = textnum[data.testnumber] + testdesc2 += ' ' + if(data.tLow == 0): + thtml = html_timetotal.format(suspend_time, \ + resume_time, testdesc1) + else: + thtml = html_timetotal2.format(suspend_time, low_time, \ + resume_time, testdesc1) + devtl.html['timeline'] += thtml + sktime = '%.3f'%((data.dmesg['suspend_machine']['end'] - \ + data.getStart())*1000) + sftime = '%.3f'%(data.fwSuspend / 1000000.0) + rftime = '%.3f'%(data.fwResume / 1000000.0) + rktime = '%.3f'%((data.getEnd() - \ + data.dmesg['resume_machine']['start'])*1000) + devtl.html['timeline'] += html_timegroups.format(sktime, \ + sftime, rftime, rktime, testdesc2) else: - devtl.html['timeline'] = html_timetotal.format(suspend_time, resume_time, "Kernel") + suspend_time = '%.0f'%((data.tSuspended-data.start)*1000) + resume_time = '%.0f'%((tEnd-data.tSuspended)*1000) + testdesc = 'Kernel' + if(len(testruns) > 1): + testdesc = textnum[data.testnumber]+' '+testdesc + if(data.tLow == 0): + thtml = html_timetotal.format(suspend_time, \ + resume_time, testdesc) + else: + thtml = html_timetotal2.format(suspend_time, low_time, \ + resume_time, testdesc) + devtl.html['timeline'] += thtml + + # time scale for potentially multiple datasets + t0 = testruns[0].start + tMax = testruns[-1].end + tSuspended = testruns[-1].tSuspended + tTotal = tMax - t0 - # determine the maximum number of rows we need to draw - timelinerows = 0 + # determine the maximum number of rows we need to draw + timelinerows = 0 + for data in testruns: for phase in data.dmesg: list = data.dmesg[phase]['list'] rows = setTimelineRows(list, list) @@ -904,62 +2258,104 @@ def createHTML(): if(rows > timelinerows): timelinerows = rows - # calculate the timeline height and create its bounding box - devtl.setRows(timelinerows + 1) - devtl.html['timeline'] += html_zoombox; - devtl.html['timeline'] += html_timeline.format("dmesg", devtl.height); + # calculate the timeline height and create bounding box, add buttons + devtl.setRows(timelinerows + 1) + devtl.html['timeline'] += html_devlist1 + if len(testruns) > 1: + devtl.html['timeline'] += html_devlist2 + devtl.html['timeline'] += html_zoombox + devtl.html['timeline'] += html_timeline.format('dmesg', devtl.height) - # draw the colored boxes for each of the phases + # draw the colored boxes for each of the phases + for data in testruns: for b in data.dmesg: phase = data.dmesg[b] - left = "%.3f" % (((phase['start']-data.start)*100)/tTotal) - width = "%.3f" % (((phase['end']-phase['start'])*100)/tTotal) - devtl.html['timeline'] += html_phase.format(left, width, "%.3f"%devtl.scaleH, "%.3f"%(100-devtl.scaleH), data.dmesg[b]['color'], "") - - # draw the time scale, try to make the number of labels readable - devtl.html['scale'] = createTimeScale(t0, tMax, data.tSuspended) - devtl.html['timeline'] += devtl.html['scale'] + length = phase['end']-phase['start'] + left = '%.3f' % (((phase['start']-t0)*100.0)/tTotal) + width = '%.3f' % ((length*100.0)/tTotal) + devtl.html['timeline'] += html_phase.format(left, width, \ + '%.3f'%devtl.scaleH, '%.3f'%(100-devtl.scaleH), \ + data.dmesg[b]['color'], '') + + # draw the time scale, try to make the number of labels readable + devtl.html['scale'] = createTimeScale(t0, tMax, tSuspended) + devtl.html['timeline'] += devtl.html['scale'] + for data in testruns: for b in data.dmesg: phaselist = data.dmesg[b]['list'] for d in phaselist: name = d - if(d in data.altdevname): - name = data.altdevname[d] + drv = '' dev = phaselist[d] + if(d in sysvals.altdevname): + name = sysvals.altdevname[d] + if('drv' in dev and dev['drv']): + drv = ' {%s}' % dev['drv'] height = (100.0 - devtl.scaleH)/data.dmesg[b]['row'] - top = "%.3f" % ((dev['row']*height) + devtl.scaleH) - left = "%.3f" % (((dev['start']-data.start)*100)/tTotal) - width = "%.3f" % (((dev['end']-dev['start'])*100)/tTotal) - len = " (%0.3f ms) " % ((dev['end']-dev['start'])*1000) - color = "rgba(204,204,204,0.5)" - devtl.html['timeline'] += html_device.format(dev['id'], name+len+b, left, top, "%.3f"%height, width, name) - - # timeline is finished - devtl.html['timeline'] += "</div>\n</div>\n" - - # draw a legend which describes the phases by color - devtl.html['legend'] = "<div class=\"legend\">\n" - pdelta = 100.0/data.phases.__len__() - pmargin = pdelta / 4.0 - for phase in data.phases: - order = "%.2f" % ((data.dmesg[phase]['order'] * pdelta) + pmargin) - name = string.replace(phase, "_", " ") - devtl.html['legend'] += html_legend.format(order, data.dmesg[phase]['color'], name) - devtl.html['legend'] += "</div>\n" + top = '%.3f' % ((dev['row']*height) + devtl.scaleH) + left = '%.3f' % (((dev['start']-t0)*100)/tTotal) + width = '%.3f' % (((dev['end']-dev['start'])*100)/tTotal) + length = ' (%0.3f ms) ' % ((dev['end']-dev['start'])*1000) + color = 'rgba(204,204,204,0.5)' + devtl.html['timeline'] += html_device.format(dev['id'], \ + d+drv+length+b, left, top, '%.3f'%height, width, name+drv) + + # draw any trace events found + for data in testruns: + for b in data.dmesg: + phaselist = data.dmesg[b]['list'] + for name in phaselist: + dev = phaselist[name] + if('traceevents' in dev): + vprint('Debug trace events found for device %s' % name) + vprint('%20s %20s %10s %8s' % ('action', \ + 'name', 'time(ms)', 'length(ms)')) + for e in dev['traceevents']: + vprint('%20s %20s %10.3f %8.3f' % (e.action, \ + e.name, e.time*1000, e.length*1000)) + height = (100.0 - devtl.scaleH)/data.dmesg[b]['row'] + top = '%.3f' % ((dev['row']*height) + devtl.scaleH) + left = '%.3f' % (((e.time-t0)*100)/tTotal) + width = '%.3f' % (e.length*100/tTotal) + color = 'rgba(204,204,204,0.5)' + devtl.html['timeline'] += \ + html_traceevent.format(e.action+' '+e.name, \ + left, top, '%.3f'%height, \ + width, e.color, '') + + # timeline is finished + devtl.html['timeline'] += '</div>\n</div>\n' + + # draw a legend which describes the phases by color + data = testruns[-1] + devtl.html['legend'] = '<div class="legend">\n' + pdelta = 100.0/len(data.phases) + pmargin = pdelta / 4.0 + for phase in data.phases: + order = '%.2f' % ((data.dmesg[phase]['order'] * pdelta) + pmargin) + name = string.replace(phase, '_', ' ') + devtl.html['legend'] += html_legend.format(order, \ + data.dmesg[phase]['color'], name) + devtl.html['legend'] += '</div>\n' hf = open(sysvals.htmlfile, 'w') thread_height = 0 - # write the html header first (html head, css code, everything up to the start of body) - html_header = "<!DOCTYPE html>\n<html>\n<head>\n\ - <meta http-equiv=\"content-type\" content=\"text/html; charset=UTF-8\">\n\ + # write the html header first (html head, css code, up to body start) + html_header = '<!DOCTYPE html>\n<html>\n<head>\n\ + <meta http-equiv="content-type" content="text/html; charset=UTF-8">\n\ <title>AnalyzeSuspend</title>\n\ - <style type='text/css'>\n\ + <style type=\'text/css\'>\n\ body {overflow-y: scroll;}\n\ .stamp {width: 100%;text-align:center;background-color:gray;line-height:30px;color:white;font: 25px Arial;}\n\ .callgraph {margin-top: 30px;box-shadow: 5px 5px 20px black;}\n\ .callgraph article * {padding-left: 28px;}\n\ h1 {color:black;font: bold 30px Times;}\n\ + t0 {color:black;font: bold 30px Times;}\n\ + t1 {color:black;font: 30px Times;}\n\ + t2 {color:black;font: 25px Times;}\n\ + t3 {color:black;font: 20px Times;white-space:nowrap;}\n\ + t4 {color:black;font: bold 30px Times;line-height:60px;white-space:nowrap;}\n\ table {width:100%;}\n\ .gray {background-color:rgba(80,80,80,0.1);}\n\ .green {background-color:rgba(204,255,204,0.4);}\n\ @@ -968,38 +2364,58 @@ def createHTML(): .time1 {font: 22px Arial;border:1px solid;}\n\ .time2 {font: 15px Arial;border-bottom:1px solid;border-left:1px solid;border-right:1px solid;}\n\ td {text-align: center;}\n\ + r {color:#500000;font:15px Tahoma;}\n\ + n {color:#505050;font:15px Tahoma;}\n\ .tdhl {color: red;}\n\ .hide {display: none;}\n\ .pf {display: none;}\n\ - .pf:checked + label {background: url(\'data:image/svg+xml;utf,<?xml version=\"1.0\" standalone=\"no\"?><svg xmlns=\"http://www.w3.org/2000/svg\" height=\"18\" width=\"18\" version=\"1.1\"><circle cx=\"9\" cy=\"9\" r=\"8\" stroke=\"black\" stroke-width=\"1\" fill=\"white\"/><rect x=\"4\" y=\"8\" width=\"10\" height=\"2\" style=\"fill:black;stroke-width:0\"/><rect x=\"8\" y=\"4\" width=\"2\" height=\"10\" style=\"fill:black;stroke-width:0\"/></svg>\') no-repeat left center;}\n\ - .pf:not(:checked) ~ label {background: url(\'data:image/svg+xml;utf,<?xml version=\"1.0\" standalone=\"no\"?><svg xmlns=\"http://www.w3.org/2000/svg\" height=\"18\" width=\"18\" version=\"1.1\"><circle cx=\"9\" cy=\"9\" r=\"8\" stroke=\"black\" stroke-width=\"1\" fill=\"white\"/><rect x=\"4\" y=\"8\" width=\"10\" height=\"2\" style=\"fill:black;stroke-width:0\"/></svg>\') no-repeat left center;}\n\ + .pf:checked + label {background: url(\'data:image/svg+xml;utf,<?xml version="1.0" standalone="no"?><svg xmlns="http://www.w3.org/2000/svg" height="18" width="18" version="1.1"><circle cx="9" cy="9" r="8" stroke="black" stroke-width="1" fill="white"/><rect x="4" y="8" width="10" height="2" style="fill:black;stroke-width:0"/><rect x="8" y="4" width="2" height="10" style="fill:black;stroke-width:0"/></svg>\') no-repeat left center;}\n\ + .pf:not(:checked) ~ label {background: url(\'data:image/svg+xml;utf,<?xml version="1.0" standalone="no"?><svg xmlns="http://www.w3.org/2000/svg" height="18" width="18" version="1.1"><circle cx="9" cy="9" r="8" stroke="black" stroke-width="1" fill="white"/><rect x="4" y="8" width="10" height="2" style="fill:black;stroke-width:0"/></svg>\') no-repeat left center;}\n\ .pf:checked ~ *:not(:nth-child(2)) {display: none;}\n\ .zoombox {position: relative; width: 100%; overflow-x: scroll;}\n\ .timeline {position: relative; font-size: 14px;cursor: pointer;width: 100%; overflow: hidden; background-color:#dddddd;}\n\ - .thread {position: absolute; height: "+"%.3f"%thread_height+"%; overflow: hidden; line-height: 30px; border:1px solid;text-align:center;white-space:nowrap;background-color:rgba(204,204,204,0.5);}\n\ + .thread {position: absolute; height: '+'%.3f'%thread_height+'%; overflow: hidden; line-height: 30px; border:1px solid;text-align:center;white-space:nowrap;background-color:rgba(204,204,204,0.5);}\n\ .thread:hover {background-color:white;border:1px solid red;z-index:10;}\n\ + .hover {background-color:white;border:1px solid red;z-index:10;}\n\ + .traceevent {position: absolute;opacity: 0.3;height: '+'%.3f'%thread_height+'%;width:0;overflow:hidden;line-height:30px;text-align:center;white-space:nowrap;}\n\ .phase {position: absolute;overflow: hidden;border:0px;text-align:center;}\n\ - .t {position: absolute; top: 0%; height: 100%; border-right:1px solid black;}\n\ + .phaselet {position:absolute;overflow:hidden;border:0px;text-align:center;height:100px;font-size:24px;}\n\ + .t {position:absolute;top:0%;height:100%;border-right:1px solid black;}\n\ .legend {position: relative; width: 100%; height: 40px; text-align: center;margin-bottom:20px}\n\ .legend .square {position:absolute;top:10px; width: 0px;height: 20px;border:1px solid;padding-left:20px;}\n\ button {height:40px;width:200px;margin-bottom:20px;margin-top:20px;font-size:24px;}\n\ - </style>\n</head>\n<body>\n" + .devlist {position:'+x2changes[1]+';width:190px;}\n\ + #devicedetail {height:100px;box-shadow: 5px 5px 20px black;}\n\ + </style>\n</head>\n<body>\n' hf.write(html_header) # write the test title and general info header - if(data.stamp['time'] != ""): - hf.write(headline_stamp.format(data.stamp['host'], - data.stamp['kernel'], data.stamp['mode'], data.stamp['time'])) - - # write the dmesg data (device timeline) - if(data.usedmesg): - hf.write(devtl.html['timeline']) - hf.write(devtl.html['legend']) - hf.write('<div id="devicedetail"></div>\n') - hf.write('<div id="devicetree"></div>\n') + if(sysvals.stamp['time'] != ""): + hf.write(headline_stamp.format(sysvals.stamp['host'], + sysvals.stamp['kernel'], sysvals.stamp['mode'], \ + sysvals.stamp['time'])) + + # write the device timeline + hf.write(devtl.html['timeline']) + hf.write(devtl.html['legend']) + hf.write('<div id="devicedetailtitle"></div>\n') + hf.write('<div id="devicedetail" style="display:none;">\n') + # draw the colored boxes for the device detail section + for data in testruns: + hf.write('<div id="devicedetail%d">\n' % data.testnumber) + for b in data.phases: + phase = data.dmesg[b] + length = phase['end']-phase['start'] + left = '%.3f' % (((phase['start']-t0)*100.0)/tTotal) + width = '%.3f' % ((length*100.0)/tTotal) + hf.write(html_phaselet.format(b, left, width, \ + data.dmesg[b]['color'])) + hf.write('</div>\n') + hf.write('</div>\n') # write the ftrace data (callgraph) - if(data.useftrace): + data = testruns[-1] + if(sysvals.usecallgraph): hf.write('<section id="callgraphs" class="callgraph">\n') # write out the ftrace data converted to html html_func_top = '<article id="{0}" class="atop" style="background-color:{1}">\n<input type="checkbox" class="pf" id="f{2}" checked/><label for="f{2}">{3} {4}</label>\n' @@ -1013,18 +2429,21 @@ def createHTML(): if('ftrace' not in list[devname]): continue name = devname - if(devname in data.altdevname): - name = data.altdevname[devname] + if(devname in sysvals.altdevname): + name = sysvals.altdevname[devname] devid = list[devname]['id'] cg = list[devname]['ftrace'] - flen = "(%.3f ms)" % ((cg.end - cg.start)*1000) - hf.write(html_func_top.format(devid, data.dmesg[p]['color'], num, name+" "+p, flen)) + flen = '<r>(%.3f ms @ %.3f to %.3f)</r>' % \ + ((cg.end - cg.start)*1000, cg.start*1000, cg.end*1000) + hf.write(html_func_top.format(devid, data.dmesg[p]['color'], \ + num, name+' '+p, flen)) num += 1 for line in cg.list: if(line.length < 0.000000001): - flen = "" + flen = '' else: - flen = "(%.3f ms)" % (line.length*1000) + flen = '<n>(%.3f ms @ %.3f)</n>' % (line.length*1000, \ + line.time*1000) if(line.freturn and line.fcall): hf.write(html_func_leaf.format(line.name, flen)) elif(line.freturn): @@ -1033,96 +2452,31 @@ def createHTML(): hf.write(html_func_start.format(num, line.name, flen)) num += 1 hf.write(html_func_end) - hf.write("\n\n </section>\n") + hf.write('\n\n </section>\n') # write the footer and close - addScriptCode(hf) - hf.write("</body>\n</html>\n") + addScriptCode(hf, testruns) + hf.write('</body>\n</html>\n') hf.close() return True -def addScriptCode(hf): - global data - - t0 = (data.start - data.tSuspended) * 1000 - tMax = (data.end - data.tSuspended) * 1000 +# Function: addScriptCode +# Description: +# Adds the javascript code to the output html +# Arguments: +# hf: the open html file pointer +# testruns: array of Data objects from parseKernelLog or parseTraceLog +def addScriptCode(hf, testruns): + t0 = (testruns[0].start - testruns[-1].tSuspended) * 1000 + tMax = (testruns[-1].end - testruns[-1].tSuspended) * 1000 # create an array in javascript memory with the device details - detail = ' var bounds = [%f,%f];\n' % (t0, tMax) - detail += ' var d = [];\n' - dfmt = ' d["%s"] = { n:"%s", p:"%s", c:[%s] };\n'; - for p in data.dmesg: - list = data.dmesg[p]['list'] - for d in list: - parent = data.deviceParentID(d, p) - idlist = data.deviceChildrenIDs(d, p) - idstr = "" - for i in idlist: - if(idstr == ""): - idstr += '"'+i+'"' - else: - idstr += ', '+'"'+i+'"' - detail += dfmt % (list[d]['id'], d, parent, idstr) - + detail = ' var devtable = [];\n' + for data in testruns: + topo = data.deviceTopology() + detail += ' devtable[%d] = "%s";\n' % (data.testnumber, topo) + detail += ' var bounds = [%f,%f];\n' % (t0, tMax) # add the code which will manipulate the data in the browser script_code = \ '<script type="text/javascript">\n'+detail+\ - ' var filter = [];\n'\ - ' var table = [];\n'\ - ' function deviceParent(devid) {\n'\ - ' var devlist = [];\n'\ - ' if(filter.indexOf(devid) < 0) filter[filter.length] = devid;\n'\ - ' if(d[devid].p in d)\n'\ - ' devlist = deviceParent(d[devid].p);\n'\ - ' else if(d[devid].p != "")\n'\ - ' devlist = [d[devid].p];\n'\ - ' devlist[devlist.length] = d[devid].n;\n'\ - ' return devlist;\n'\ - ' }\n'\ - ' function deviceChildren(devid, column, row) {\n'\ - ' if(!(devid in d)) return;\n'\ - ' if(filter.indexOf(devid) < 0) filter[filter.length] = devid;\n'\ - ' var cell = {name: d[devid].n, span: 1};\n'\ - ' var span = 0;\n'\ - ' if(column >= table.length) table[column] = [];\n'\ - ' table[column][row] = cell;\n'\ - ' for(var i = 0; i < d[devid].c.length; i++) {\n'\ - ' var cid = d[devid].c[i];\n'\ - ' span += deviceChildren(cid, column+1, row+span);\n'\ - ' }\n'\ - ' if(span == 0) span = 1;\n'\ - ' table[column][row].span = span;\n'\ - ' return span;\n'\ - ' }\n'\ - ' function deviceTree(devid, resume) {\n'\ - ' var html = "<table border=1>";\n'\ - ' filter = [];\n'\ - ' table = [];\n'\ - ' plist = deviceParent(devid);\n'\ - ' var devidx = plist.length - 1;\n'\ - ' for(var i = 0; i < devidx; i++)\n'\ - ' table[i] = [{name: plist[i], span: 1}];\n'\ - ' deviceChildren(devid, devidx, 0);\n'\ - ' for(var i = 0; i < devidx; i++)\n'\ - ' table[i][0].span = table[devidx][0].span;\n'\ - ' for(var row = 0; row < table[0][0].span; row++) {\n'\ - ' html += "<tr>";\n'\ - ' for(var col = 0; col < table.length; col++)\n'\ - ' if(row in table[col]) {\n'\ - ' var cell = table[col][row];\n'\ - ' var args = "";\n'\ - ' if(cell.span > 1)\n'\ - ' args += " rowspan="+cell.span;\n'\ - ' if((col == devidx) && (row == 0))\n'\ - ' args += " class=tdhl";\n'\ - ' if(resume)\n'\ - ' html += "<td"+args+">"+cell.name+" →</td>";\n'\ - ' else\n'\ - ' html += "<td"+args+">← "+cell.name+"</td>";\n'\ - ' }\n'\ - ' html += "</tr>";\n'\ - ' }\n'\ - ' html += "</table>";\n'\ - ' return html;\n'\ - ' }\n'\ ' function zoomTimeline() {\n'\ ' var timescale = document.getElementById("timescale");\n'\ ' var dmesg = document.getElementById("dmesg");\n'\ @@ -1154,35 +2508,170 @@ def addScriptCode(hf): ' for(var s = ((t0 / tS)|0) * tS; s < tMax; s += tS) {\n'\ ' var pos = (tMax - s) * 100.0 / tTotal;\n'\ ' var name = (s == 0)?"S/R":(s+"ms");\n'\ - ' html += \"<div class=\\\"t\\\" style=\\\"right:\"+pos+\"%\\\">\"+name+\"</div>\";\n'\ + ' html += "<div class=\\"t\\" style=\\"right:"+pos+"%\\">"+name+"</div>";\n'\ ' }\n'\ ' timescale.innerHTML = html;\n'\ ' }\n'\ + ' function deviceHover() {\n'\ + ' var name = this.title.slice(0, this.title.indexOf(" ("));\n'\ + ' var dmesg = document.getElementById("dmesg");\n'\ + ' var dev = dmesg.getElementsByClassName("thread");\n'\ + ' var cpu = -1;\n'\ + ' if(name.match("CPU_ON\[[0-9]*\]"))\n'\ + ' cpu = parseInt(name.slice(7));\n'\ + ' else if(name.match("CPU_OFF\[[0-9]*\]"))\n'\ + ' cpu = parseInt(name.slice(8));\n'\ + ' for (var i = 0; i < dev.length; i++) {\n'\ + ' dname = dev[i].title.slice(0, dev[i].title.indexOf(" ("));\n'\ + ' if((cpu >= 0 && dname.match("CPU_O[NF]*\\\[*"+cpu+"\\\]")) ||\n'\ + ' (name == dname))\n'\ + ' {\n'\ + ' dev[i].className = "thread hover";\n'\ + ' } else {\n'\ + ' dev[i].className = "thread";\n'\ + ' }\n'\ + ' }\n'\ + ' }\n'\ + ' function deviceUnhover() {\n'\ + ' var dmesg = document.getElementById("dmesg");\n'\ + ' var dev = dmesg.getElementsByClassName("thread");\n'\ + ' for (var i = 0; i < dev.length; i++) {\n'\ + ' dev[i].className = "thread";\n'\ + ' }\n'\ + ' }\n'\ + ' function deviceTitle(title, total, cpu) {\n'\ + ' var prefix = "Total";\n'\ + ' if(total.length > 3) {\n'\ + ' prefix = "Average";\n'\ + ' total[1] = (total[1]+total[3])/2;\n'\ + ' total[2] = (total[2]+total[4])/2;\n'\ + ' }\n'\ + ' var devtitle = document.getElementById("devicedetailtitle");\n'\ + ' var name = title.slice(0, title.indexOf(" "));\n'\ + ' if(cpu >= 0) name = "CPU"+cpu;\n'\ + ' var driver = "";\n'\ + ' var tS = "<t2>(</t2>";\n'\ + ' var tR = "<t2>)</t2>";\n'\ + ' if(total[1] > 0)\n'\ + ' tS = "<t2>("+prefix+" Suspend:</t2><t0> "+total[1].toFixed(3)+" ms</t0> ";\n'\ + ' if(total[2] > 0)\n'\ + ' tR = " <t2>"+prefix+" Resume:</t2><t0> "+total[2].toFixed(3)+" ms<t2>)</t2></t0>";\n'\ + ' var s = title.indexOf("{");\n'\ + ' var e = title.indexOf("}");\n'\ + ' if((s >= 0) && (e >= 0))\n'\ + ' driver = title.slice(s+1, e) + " <t1>@</t1> ";\n'\ + ' if(total[1] > 0 && total[2] > 0)\n'\ + ' devtitle.innerHTML = "<t0>"+driver+name+"</t0> "+tS+tR;\n'\ + ' else\n'\ + ' devtitle.innerHTML = "<t0>"+title+"</t0>";\n'\ + ' return name;\n'\ + ' }\n'\ ' function deviceDetail() {\n'\ - ' var devtitle = document.getElementById("devicedetail");\n'\ - ' devtitle.innerHTML = "<h1>"+this.title+"</h1>";\n'\ - ' var devtree = document.getElementById("devicetree");\n'\ - ' devtree.innerHTML = deviceTree(this.id, (this.title.indexOf("resume") >= 0));\n'\ + ' var devinfo = document.getElementById("devicedetail");\n'\ + ' devinfo.style.display = "block";\n'\ + ' var name = this.title.slice(0, this.title.indexOf(" ("));\n'\ + ' var cpu = -1;\n'\ + ' if(name.match("CPU_ON\[[0-9]*\]"))\n'\ + ' cpu = parseInt(name.slice(7));\n'\ + ' else if(name.match("CPU_OFF\[[0-9]*\]"))\n'\ + ' cpu = parseInt(name.slice(8));\n'\ + ' var dmesg = document.getElementById("dmesg");\n'\ + ' var dev = dmesg.getElementsByClassName("thread");\n'\ + ' var idlist = [];\n'\ + ' var pdata = [[]];\n'\ + ' var pd = pdata[0];\n'\ + ' var total = [0.0, 0.0, 0.0];\n'\ + ' for (var i = 0; i < dev.length; i++) {\n'\ + ' dname = dev[i].title.slice(0, dev[i].title.indexOf(" ("));\n'\ + ' if((cpu >= 0 && dname.match("CPU_O[NF]*\\\[*"+cpu+"\\\]")) ||\n'\ + ' (name == dname))\n'\ + ' {\n'\ + ' idlist[idlist.length] = dev[i].id;\n'\ + ' var tidx = 1;\n'\ + ' if(dev[i].id[0] == "a") {\n'\ + ' pd = pdata[0];\n'\ + ' } else {\n'\ + ' if(pdata.length == 1) pdata[1] = [];\n'\ + ' if(total.length == 3) total[3]=total[4]=0.0;\n'\ + ' pd = pdata[1];\n'\ + ' tidx = 3;\n'\ + ' }\n'\ + ' var info = dev[i].title.split(" ");\n'\ + ' var pname = info[info.length-1];\n'\ + ' pd[pname] = parseFloat(info[info.length-3].slice(1));\n'\ + ' total[0] += pd[pname];\n'\ + ' if(pname.indexOf("suspend") >= 0)\n'\ + ' total[tidx] += pd[pname];\n'\ + ' else\n'\ + ' total[tidx+1] += pd[pname];\n'\ + ' }\n'\ + ' }\n'\ + ' var devname = deviceTitle(this.title, total, cpu);\n'\ + ' var left = 0.0;\n'\ + ' for (var t = 0; t < pdata.length; t++) {\n'\ + ' pd = pdata[t];\n'\ + ' devinfo = document.getElementById("devicedetail"+t);\n'\ + ' var phases = devinfo.getElementsByClassName("phaselet");\n'\ + ' for (var i = 0; i < phases.length; i++) {\n'\ + ' if(phases[i].id in pd) {\n'\ + ' var w = 100.0*pd[phases[i].id]/total[0];\n'\ + ' var fs = 32;\n'\ + ' if(w < 8) fs = 4*w | 0;\n'\ + ' var fs2 = fs*3/4;\n'\ + ' phases[i].style.width = w+"%";\n'\ + ' phases[i].style.left = left+"%";\n'\ + ' phases[i].title = phases[i].id+" "+pd[phases[i].id]+" ms";\n'\ + ' left += w;\n'\ + ' var time = "<t4 style=\\"font-size:"+fs+"px\\">"+pd[phases[i].id]+" ms<br></t4>";\n'\ + ' var pname = "<t3 style=\\"font-size:"+fs2+"px\\">"+phases[i].id.replace("_", " ")+"</t3>";\n'\ + ' phases[i].innerHTML = time+pname;\n'\ + ' } else {\n'\ + ' phases[i].style.width = "0%";\n'\ + ' phases[i].style.left = left+"%";\n'\ + ' }\n'\ + ' }\n'\ + ' }\n'\ ' var cglist = document.getElementById("callgraphs");\n'\ ' if(!cglist) return;\n'\ ' var cg = cglist.getElementsByClassName("atop");\n'\ ' for (var i = 0; i < cg.length; i++) {\n'\ - ' if(filter.indexOf(cg[i].id) >= 0) {\n'\ + ' if(idlist.indexOf(cg[i].id) >= 0) {\n'\ ' cg[i].style.display = "block";\n'\ ' } else {\n'\ ' cg[i].style.display = "none";\n'\ ' }\n'\ ' }\n'\ ' }\n'\ + ' function devListWindow(e) {\n'\ + ' var sx = e.clientX;\n'\ + ' if(sx > window.innerWidth - 440)\n'\ + ' sx = window.innerWidth - 440;\n'\ + ' var cfg="top="+e.screenY+", left="+sx+", width=440, height=720, scrollbars=yes";\n'\ + ' var win = window.open("", "_blank", cfg);\n'\ + ' if(window.chrome) win.moveBy(sx, 0);\n'\ + ' var html = "<title>"+e.target.innerHTML+"</title>"+\n'\ + ' "<style type=\\"text/css\\">"+\n'\ + ' " ul {list-style-type:circle;padding-left:10px;margin-left:10px;}"+\n'\ + ' "</style>"\n'\ + ' var dt = devtable[0];\n'\ + ' if(e.target.id != "devlist1")\n'\ + ' dt = devtable[1];\n'\ + ' win.document.write(html+dt);\n'\ + ' }\n'\ ' window.addEventListener("load", function () {\n'\ ' var dmesg = document.getElementById("dmesg");\n'\ ' dmesg.style.width = "100%"\n'\ ' document.getElementById("zoomin").onclick = zoomTimeline;\n'\ ' document.getElementById("zoomout").onclick = zoomTimeline;\n'\ ' document.getElementById("zoomdef").onclick = zoomTimeline;\n'\ + ' var devlist = document.getElementsByClassName("devlist");\n'\ + ' for (var i = 0; i < devlist.length; i++)\n'\ + ' devlist[i].onclick = devListWindow;\n'\ ' var dev = dmesg.getElementsByClassName("thread");\n'\ ' for (var i = 0; i < dev.length; i++) {\n'\ ' dev[i].onclick = deviceDetail;\n'\ + ' dev[i].onmouseover = deviceHover;\n'\ + ' dev[i].onmouseout = deviceUnhover;\n'\ ' }\n'\ ' zoomTimeline();\n'\ ' });\n'\ @@ -1191,256 +2680,912 @@ def addScriptCode(hf): # Function: executeSuspend # Description: -# Execute system suspend through the sysfs interface +# Execute system suspend through the sysfs interface, then copy the output +# dmesg and ftrace files to the test output directory. def executeSuspend(): - global sysvals, data - - detectUSB() - pf = open(sysvals.powerfile, 'w') - # clear the kernel ring buffer just as we start - os.system("dmesg -C") - # start ftrace - if(data.useftrace): - print("START TRACING") - os.system("echo 1 > "+sysvals.tpath+"tracing_on") - os.system("echo SUSPEND START > "+sysvals.tpath+"trace_marker") - # initiate suspend - if(sysvals.rtcwake): - print("SUSPEND START") - os.system("rtcwake -s 10 -m "+sysvals.suspendmode) - else: - print("SUSPEND START (press a key to resume)") + global sysvals + + detectUSB(False) + t0 = time.time()*1000 + tp = sysvals.tpath + # execute however many s/r runs requested + for count in range(1,sysvals.execcount+1): + # clear the kernel ring buffer just as we start + os.system('dmesg -C') + # enable callgraph ftrace only for the second run + if(sysvals.usecallgraph and count == 2): + # set trace type + os.system('echo function_graph > '+tp+'current_tracer') + os.system('echo "" > '+tp+'set_ftrace_filter') + # set trace format options + os.system('echo funcgraph-abstime > '+tp+'trace_options') + os.system('echo funcgraph-proc > '+tp+'trace_options') + # focus only on device suspend and resume + os.system('cat '+tp+'available_filter_functions | '+\ + 'grep dpm_run_callback > '+tp+'set_graph_function') + # if this is test2 and there's a delay, start here + if(count > 1 and sysvals.x2delay > 0): + tN = time.time()*1000 + while (tN - t0) < sysvals.x2delay: + tN = time.time()*1000 + time.sleep(0.001) + # start ftrace + if(sysvals.usecallgraph or sysvals.usetraceevents): + print('START TRACING') + os.system('echo 1 > '+tp+'tracing_on') + # initiate suspend + if(sysvals.usecallgraph or sysvals.usetraceevents): + os.system('echo SUSPEND START > '+tp+'trace_marker') + if(sysvals.rtcwake): + print('SUSPEND START') + print('will autoresume in %d seconds' % sysvals.rtcwaketime) + sysvals.rtcWakeAlarm() + else: + print('SUSPEND START (press a key to resume)') + pf = open(sysvals.powerfile, 'w') pf.write(sysvals.suspendmode) - # execution will pause here - pf.close() - # return from suspend - print("RESUME COMPLETE") - # stop ftrace - if(data.useftrace): - os.system("echo RESUME COMPLETE > "+sysvals.tpath+"trace_marker") - os.system("echo 0 > "+sysvals.tpath+"tracing_on") - print("CAPTURING FTRACE") - os.system("echo \""+sysvals.teststamp+"\" > "+sysvals.ftracefile) - os.system("cat "+sysvals.tpath+"trace >> "+sysvals.ftracefile) - # grab a copy of the dmesg output - print("CAPTURING DMESG") - os.system("echo \""+sysvals.teststamp+"\" > "+sysvals.dmesgfile) - os.system("dmesg -c >> "+sysvals.dmesgfile) + # execution will pause here + pf.close() + t0 = time.time()*1000 + # return from suspend + print('RESUME COMPLETE') + if(sysvals.usecallgraph or sysvals.usetraceevents): + os.system('echo RESUME COMPLETE > '+tp+'trace_marker') + # see if there's firmware timing data to be had + t = sysvals.postresumetime + if(t > 0): + print('Waiting %d seconds for POST-RESUME trace events...' % t) + time.sleep(t) + # stop ftrace + if(sysvals.usecallgraph or sysvals.usetraceevents): + os.system('echo 0 > '+tp+'tracing_on') + print('CAPTURING TRACE') + writeDatafileHeader(sysvals.ftracefile) + os.system('cat '+tp+'trace >> '+sysvals.ftracefile) + os.system('echo "" > '+tp+'trace') + # grab a copy of the dmesg output + print('CAPTURING DMESG') + writeDatafileHeader(sysvals.dmesgfile) + os.system('dmesg -c >> '+sysvals.dmesgfile) + +def writeDatafileHeader(filename): + global sysvals + + fw = getFPDT(False) + prt = sysvals.postresumetime + fp = open(filename, 'a') + fp.write(sysvals.teststamp+'\n') + if(fw): + fp.write('# fwsuspend %u fwresume %u\n' % (fw[0], fw[1])) + if(prt > 0): + fp.write('# post resume time %u\n' % prt) + fp.close() + +# Function: executeAndroidSuspend +# Description: +# Execute system suspend through the sysfs interface +# on a remote android device, then transfer the output +# dmesg and ftrace files to the local output directory. +def executeAndroidSuspend(): + global sysvals + + # check to see if the display is currently off + tp = sysvals.tpath + out = os.popen(sysvals.adb+\ + ' shell dumpsys power | grep mScreenOn').read().strip() + # if so we need to turn it on so we can issue a new suspend + if(out.endswith('false')): + print('Waking the device up for the test...') + # send the KEYPAD_POWER keyevent to wake it up + os.system(sysvals.adb+' shell input keyevent 26') + # wait a few seconds so the user can see the device wake up + time.sleep(3) + # execute however many s/r runs requested + for count in range(1,sysvals.execcount+1): + # clear the kernel ring buffer just as we start + os.system(sysvals.adb+' shell dmesg -c > /dev/null 2>&1') + # start ftrace + if(sysvals.usetraceevents): + print('START TRACING') + os.system(sysvals.adb+" shell 'echo 1 > "+tp+"tracing_on'") + # initiate suspend + for count in range(1,sysvals.execcount+1): + if(sysvals.usetraceevents): + os.system(sysvals.adb+\ + " shell 'echo SUSPEND START > "+tp+"trace_marker'") + print('SUSPEND START (press a key on the device to resume)') + os.system(sysvals.adb+" shell 'echo "+sysvals.suspendmode+\ + " > "+sysvals.powerfile+"'") + # execution will pause here, then adb will exit + while(True): + check = os.popen(sysvals.adb+\ + ' shell pwd 2>/dev/null').read().strip() + if(len(check) > 0): + break + time.sleep(1) + if(sysvals.usetraceevents): + os.system(sysvals.adb+" shell 'echo RESUME COMPLETE > "+tp+\ + "trace_marker'") + # return from suspend + print('RESUME COMPLETE') + # stop ftrace + if(sysvals.usetraceevents): + os.system(sysvals.adb+" shell 'echo 0 > "+tp+"tracing_on'") + print('CAPTURING TRACE') + os.system('echo "'+sysvals.teststamp+'" > '+sysvals.ftracefile) + os.system(sysvals.adb+' shell cat '+tp+\ + 'trace >> '+sysvals.ftracefile) + # grab a copy of the dmesg output + print('CAPTURING DMESG') + os.system('echo "'+sysvals.teststamp+'" > '+sysvals.dmesgfile) + os.system(sysvals.adb+' shell dmesg >> '+sysvals.dmesgfile) + +# Function: setUSBDevicesAuto +# Description: +# Set the autosuspend control parameter of all USB devices to auto +# This can be dangerous, so use at your own risk, most devices are set +# to always-on since the kernel cant determine if the device can +# properly autosuspend +def setUSBDevicesAuto(): + global sysvals + + rootCheck() + for dirname, dirnames, filenames in os.walk('/sys/devices'): + if(re.match('.*/usb[0-9]*.*', dirname) and + 'idVendor' in filenames and 'idProduct' in filenames): + os.system('echo auto > %s/power/control' % dirname) + name = dirname.split('/')[-1] + desc = os.popen('cat %s/product 2>/dev/null' % \ + dirname).read().replace('\n', '') + ctrl = os.popen('cat %s/power/control 2>/dev/null' % \ + dirname).read().replace('\n', '') + print('control is %s for %6s: %s' % (ctrl, name, desc)) + +# Function: yesno +# Description: +# Print out an equivalent Y or N for a set of known parameter values +# Output: +# 'Y', 'N', or ' ' if the value is unknown +def yesno(val): + yesvals = ['auto', 'enabled', 'active', '1'] + novals = ['on', 'disabled', 'suspended', 'forbidden', 'unsupported'] + if val in yesvals: + return 'Y' + elif val in novals: + return 'N' + return ' ' + +# Function: ms2nice +# Description: +# Print out a very concise time string in minutes and seconds +# Output: +# The time string, e.g. "1901m16s" +def ms2nice(val): + ms = 0 + try: + ms = int(val) + except: + return 0.0 + m = ms / 60000 + s = (ms / 1000) - (m * 60) + return '%3dm%2ds' % (m, s) # Function: detectUSB # Description: -# Detect all the USB hosts and devices currently connected -def detectUSB(): - global sysvals, data - - for dirname, dirnames, filenames in os.walk("/sys/devices"): - if(re.match(r".*/usb[0-9]*.*", dirname) and - "idVendor" in filenames and "idProduct" in filenames): - vid = os.popen("cat %s/idVendor 2>/dev/null" % dirname).read().replace('\n', '') - pid = os.popen("cat %s/idProduct 2>/dev/null" % dirname).read().replace('\n', '') - product = os.popen("cat %s/product 2>/dev/null" % dirname).read().replace('\n', '') +# Detect all the USB hosts and devices currently connected and add +# a list of USB device names to sysvals for better timeline readability +# Arguments: +# output: True to output the info to stdout, False otherwise +def detectUSB(output): + global sysvals + + field = {'idVendor':'', 'idProduct':'', 'product':'', 'speed':''} + power = {'async':'', 'autosuspend':'', 'autosuspend_delay_ms':'', + 'control':'', 'persist':'', 'runtime_enabled':'', + 'runtime_status':'', 'runtime_usage':'', + 'runtime_active_time':'', + 'runtime_suspended_time':'', + 'active_duration':'', + 'connected_duration':''} + if(output): + print('LEGEND') + print('---------------------------------------------------------------------------------------------') + print(' A = async/sync PM queue Y/N D = autosuspend delay (seconds)') + print(' S = autosuspend Y/N rACTIVE = runtime active (min/sec)') + print(' P = persist across suspend Y/N rSUSPEN = runtime suspend (min/sec)') + print(' E = runtime suspend enabled/forbidden Y/N ACTIVE = active duration (min/sec)') + print(' R = runtime status active/suspended Y/N CONNECT = connected duration (min/sec)') + print(' U = runtime usage count') + print('---------------------------------------------------------------------------------------------') + print(' NAME ID DESCRIPTION SPEED A S P E R U D rACTIVE rSUSPEN ACTIVE CONNECT') + print('---------------------------------------------------------------------------------------------') + + for dirname, dirnames, filenames in os.walk('/sys/devices'): + if(re.match('.*/usb[0-9]*.*', dirname) and + 'idVendor' in filenames and 'idProduct' in filenames): + for i in field: + field[i] = os.popen('cat %s/%s 2>/dev/null' % \ + (dirname, i)).read().replace('\n', '') name = dirname.split('/')[-1] - if(len(product) > 0): - data.altdevname[name] = "%s [%s]" % (product, name) + if(len(field['product']) > 0): + sysvals.altdevname[name] = \ + '%s [%s]' % (field['product'], name) else: - data.altdevname[name] = "%s:%s [%s]" % (vid, pid, name) - + sysvals.altdevname[name] = \ + '%s:%s [%s]' % (field['idVendor'], \ + field['idProduct'], name) + if(output): + for i in power: + power[i] = os.popen('cat %s/power/%s 2>/dev/null' % \ + (dirname, i)).read().replace('\n', '') + if(re.match('usb[0-9]*', name)): + first = '%-8s' % name + else: + first = '%8s' % name + print('%s [%s:%s] %-20s %-4s %1s %1s %1s %1s %1s %1s %1s %s %s %s %s' % \ + (first, field['idVendor'], field['idProduct'], \ + field['product'][0:20], field['speed'], \ + yesno(power['async']), \ + yesno(power['control']), \ + yesno(power['persist']), \ + yesno(power['runtime_enabled']), \ + yesno(power['runtime_status']), \ + power['runtime_usage'], \ + power['autosuspend'], \ + ms2nice(power['runtime_active_time']), \ + ms2nice(power['runtime_suspended_time']), \ + ms2nice(power['active_duration']), \ + ms2nice(power['connected_duration']))) + +# Function: getModes +# Description: +# Determine the supported power modes on this system +# Output: +# A string list of the available modes def getModes(): global sysvals - modes = "" - if(os.path.exists(sysvals.powerfile)): - fp = open(sysvals.powerfile, 'r') - modes = string.split(fp.read()) - fp.close() + modes = '' + if(not sysvals.android): + if(os.path.exists(sysvals.powerfile)): + fp = open(sysvals.powerfile, 'r') + modes = string.split(fp.read()) + fp.close() + else: + line = os.popen(sysvals.adb+' shell cat '+\ + sysvals.powerfile).read().strip() + modes = string.split(line) return modes +# Function: getFPDT +# Description: +# Read the acpi bios tables and pull out FPDT, the firmware data +# Arguments: +# output: True to output the info to stdout, False otherwise +def getFPDT(output): + global sysvals + + rectype = {} + rectype[0] = 'Firmware Basic Boot Performance Record' + rectype[1] = 'S3 Performance Table Record' + prectype = {} + prectype[0] = 'Basic S3 Resume Performance Record' + prectype[1] = 'Basic S3 Suspend Performance Record' + + rootCheck() + if(not os.path.exists(sysvals.fpdtpath)): + if(output): + doError('file doesnt exist: %s' % sysvals.fpdtpath, False) + return False + if(not os.access(sysvals.fpdtpath, os.R_OK)): + if(output): + doError('file isnt readable: %s' % sysvals.fpdtpath, False) + return False + if(not os.path.exists(sysvals.mempath)): + if(output): + doError('file doesnt exist: %s' % sysvals.mempath, False) + return False + if(not os.access(sysvals.mempath, os.R_OK)): + if(output): + doError('file isnt readable: %s' % sysvals.mempath, False) + return False + + fp = open(sysvals.fpdtpath, 'rb') + buf = fp.read() + fp.close() + + if(len(buf) < 36): + if(output): + doError('Invalid FPDT table data, should '+\ + 'be at least 36 bytes', False) + return False + + table = struct.unpack('4sIBB6s8sI4sI', buf[0:36]) + if(output): + print('') + print('Firmware Performance Data Table (%s)' % table[0]) + print(' Signature : %s' % table[0]) + print(' Table Length : %u' % table[1]) + print(' Revision : %u' % table[2]) + print(' Checksum : 0x%x' % table[3]) + print(' OEM ID : %s' % table[4]) + print(' OEM Table ID : %s' % table[5]) + print(' OEM Revision : %u' % table[6]) + print(' Creator ID : %s' % table[7]) + print(' Creator Revision : 0x%x' % table[8]) + print('') + + if(table[0] != 'FPDT'): + if(output): + doError('Invalid FPDT table') + return False + if(len(buf) <= 36): + return False + i = 0 + fwData = [0, 0] + records = buf[36:] + fp = open(sysvals.mempath, 'rb') + while(i < len(records)): + header = struct.unpack('HBB', records[i:i+4]) + if(header[0] not in rectype): + continue + if(header[1] != 16): + continue + addr = struct.unpack('Q', records[i+8:i+16])[0] + try: + fp.seek(addr) + first = fp.read(8) + except: + doError('Bad address 0x%x in %s' % (addr, sysvals.mempath), False) + rechead = struct.unpack('4sI', first) + recdata = fp.read(rechead[1]-8) + if(rechead[0] == 'FBPT'): + record = struct.unpack('HBBIQQQQQ', recdata) + if(output): + print('%s (%s)' % (rectype[header[0]], rechead[0])) + print(' Reset END : %u ns' % record[4]) + print(' OS Loader LoadImage Start : %u ns' % record[5]) + print(' OS Loader StartImage Start : %u ns' % record[6]) + print(' ExitBootServices Entry : %u ns' % record[7]) + print(' ExitBootServices Exit : %u ns' % record[8]) + elif(rechead[0] == 'S3PT'): + if(output): + print('%s (%s)' % (rectype[header[0]], rechead[0])) + j = 0 + while(j < len(recdata)): + prechead = struct.unpack('HBB', recdata[j:j+4]) + if(prechead[0] not in prectype): + continue + if(prechead[0] == 0): + record = struct.unpack('IIQQ', recdata[j:j+prechead[1]]) + fwData[1] = record[2] + if(output): + print(' %s' % prectype[prechead[0]]) + print(' Resume Count : %u' % \ + record[1]) + print(' FullResume : %u ns' % \ + record[2]) + print(' AverageResume : %u ns' % \ + record[3]) + elif(prechead[0] == 1): + record = struct.unpack('QQ', recdata[j+4:j+prechead[1]]) + fwData[0] = record[1] - record[0] + if(output): + print(' %s' % prectype[prechead[0]]) + print(' SuspendStart : %u ns' % \ + record[0]) + print(' SuspendEnd : %u ns' % \ + record[1]) + print(' SuspendTime : %u ns' % \ + fwData[0]) + j += prechead[1] + if(output): + print('') + i += header[1] + fp.close() + return fwData + # Function: statusCheck # Description: -# Verify that the requested command and options will work -def statusCheck(dryrun): - global sysvals, data - res = dict() +# Verify that the requested command and options will work, and +# print the results to the terminal +# Output: +# True if the test will work, False if not +def statusCheck(): + global sysvals + status = True - if(data.notestrun): - print("SUCCESS: The command should run!") - return + if(sysvals.android): + print('Checking the android system ...') + else: + print('Checking this system (%s)...' % platform.node()) + + # check if adb is connected to a device + if(sysvals.android): + res = 'NO' + out = os.popen(sysvals.adb+' get-state').read().strip() + if(out == 'device'): + res = 'YES' + print(' is android device connected: %s' % res) + if(res != 'YES'): + print(' Please connect the device before using this tool') + return False # check we have root access - check = "YES" - if(os.environ['USER'] != "root"): - if(not dryrun): - doError("root access is required", False) - check = "NO" - res[" have root access: "] = check + res = 'NO (No features of this tool will work!)' + if(sysvals.android): + out = os.popen(sysvals.adb+' shell id').read().strip() + if('root' in out): + res = 'YES' + else: + if(os.environ['USER'] == 'root'): + res = 'YES' + print(' have root access: %s' % res) + if(res != 'YES'): + if(sysvals.android): + print(' Try running "adb root" to restart the daemon as root') + else: + print(' Try running this script with sudo') + return False # check sysfs is mounted - check = "YES" - if(not os.path.exists(sysvals.powerfile)): - if(not dryrun): - doError("sysfs must be mounted", False) - check = "NO" - res[" is sysfs mounted: "] = check + res = 'NO (No features of this tool will work!)' + if(sysvals.android): + out = os.popen(sysvals.adb+' shell ls '+\ + sysvals.powerfile).read().strip() + if(out == sysvals.powerfile): + res = 'YES' + else: + if(os.path.exists(sysvals.powerfile)): + res = 'YES' + print(' is sysfs mounted: %s' % res) + if(res != 'YES'): + return False # check target mode is a valid mode - check = "YES" + res = 'NO' modes = getModes() - if(sysvals.suspendmode not in modes): - if(not dryrun): - doError("%s is not a value power mode" % sysvals.suspendmode, False) - check = "NO" - res[" is "+sysvals.suspendmode+" a power mode: "] = check + if(sysvals.suspendmode in modes): + res = 'YES' + else: + status = False + print(' is "%s" a valid power mode: %s' % (sysvals.suspendmode, res)) + if(res == 'NO'): + print(' valid power modes are: %s' % modes) + print(' please choose one with -m') + + # check if the tool can unlock the device + if(sysvals.android): + res = 'YES' + out1 = os.popen(sysvals.adb+\ + ' shell dumpsys power | grep mScreenOn').read().strip() + out2 = os.popen(sysvals.adb+\ + ' shell input').read().strip() + if(not out1.startswith('mScreenOn') or not out2.startswith('usage')): + res = 'NO (wake the android device up before running the test)' + print(' can I unlock the screen: %s' % res) # check if ftrace is available - if(data.useftrace): - check = "YES" - if(not verifyFtrace()): - if(not dryrun): - doError("ftrace is not configured", False) - check = "NO" - res[" is ftrace usable: "] = check + res = 'NO' + ftgood = verifyFtrace() + if(ftgood): + res = 'YES' + elif(sysvals.usecallgraph): + status = False + print(' is ftrace supported: %s' % res) + + # what data source are we using + res = 'DMESG' + if(ftgood): + sysvals.usetraceeventsonly = True + sysvals.usetraceevents = False + for e in sysvals.traceevents: + check = False + if(sysvals.android): + out = os.popen(sysvals.adb+' shell ls -d '+\ + sysvals.epath+e).read().strip() + if(out == sysvals.epath+e): + check = True + else: + if(os.path.exists(sysvals.epath+e)): + check = True + if(not check): + sysvals.usetraceeventsonly = False + if(e == 'suspend_resume' and check): + sysvals.usetraceevents = True + if(sysvals.usetraceevents and sysvals.usetraceeventsonly): + res = 'FTRACE (all trace events found)' + elif(sysvals.usetraceevents): + res = 'DMESG and FTRACE (suspend_resume trace event found)' + print(' timeline data source: %s' % res) # check if rtcwake - if(sysvals.rtcwake): - check = "YES" - version = os.popen("rtcwake -V 2>/dev/null").read() - if(not version.startswith("rtcwake")): - if(not dryrun): - doError("rtcwake is not installed", False) - check = "NO" - res[" is rtcwake usable: "] = check - - if(dryrun): - status = True - print("Checking if system can run the current command:") - for r in res: - print("%s\t%s" % (r, res[r])) - if(res[r] != "YES"): - status = False - if(status): - print("SUCCESS: The command should run!") - else: - print("FAILURE: The command won't run!") + res = 'NO' + if(sysvals.rtcpath != ''): + res = 'YES' + elif(sysvals.rtcwake): + status = False + print(' is rtcwake supported: %s' % res) -def printHelp(): - global sysvals - modes = getModes() - - print("") - print("AnalyzeSuspend") - print("Usage: sudo analyze_suspend.py <options>") - print("") - print("Description:") - print(" Initiates a system suspend/resume while capturing dmesg") - print(" and (optionally) ftrace data to analyze device timing") - print("") - print(" Generates output files in subdirectory: suspend-mmddyy-HHMMSS") - print(" HTML output: <hostname>_<mode>.html") - print(" raw dmesg output: <hostname>_<mode>_dmesg.txt") - print(" raw ftrace output (with -f): <hostname>_<mode>_ftrace.txt") - print("") - print("Options:") - print(" [general]") - print(" -h Print this help text") - print(" -verbose Print extra information during execution and analysis") - print(" -status Test to see if the system is enabled to run this tool") - print(" -modes List available suspend modes") - print(" -m mode Mode to initiate for suspend %s (default: %s)") % (modes, sysvals.suspendmode) - print(" -rtcwake Use rtcwake to autoresume after 10 seconds (default: disabled)") - print(" -f Use ftrace to create device callgraphs (default: disabled)") - print(" [re-analyze data from previous runs]") - print(" -dmesg dmesgfile Create HTML timeline from dmesg file") - print(" -ftrace ftracefile Create HTML callgraph from ftrace file") - print("") - return True + return status +# Function: doError +# Description: +# generic error function for catastrphic failures +# Arguments: +# msg: the error message to print +# help: True if printHelp should be called after, False otherwise def doError(msg, help): - print("ERROR: %s") % msg if(help == True): printHelp() + print('ERROR: %s\n') % msg sys.exit() -# -- script main -- -# loop through the command line arguments -cmd = "" -args = iter(sys.argv[1:]) -for arg in args: - if(arg == "-m"): - try: - val = args.next() - except: - doError("No mode supplied", True) - sysvals.suspendmode = val - elif(arg == "-f"): - data.useftrace = True - elif(arg == "-modes"): - cmd = "modes" - elif(arg == "-status"): - cmd = "status" - elif(arg == "-verbose"): - data.verbose = True - elif(arg == "-rtcwake"): - sysvals.rtcwake = True - elif(arg == "-dmesg"): - try: - val = args.next() - except: - doError("No dmesg file supplied", True) - data.notestrun = True - data.usedmesg = True - sysvals.dmesgfile = val - elif(arg == "-ftrace"): - try: - val = args.next() - except: - doError("No ftrace file supplied", True) - data.notestrun = True - data.useftrace = True - sysvals.ftracefile = val - elif(arg == "-h"): - printHelp() - sys.exit() - else: - doError("Invalid argument: "+arg, True) - -# just run a utility command and exit -if(cmd != ""): - if(cmd == "status"): - statusCheck(True) - elif(cmd == "modes"): - modes = getModes() - print modes - sys.exit() +# Function: doWarning +# Description: +# generic warning function for non-catastrophic anomalies +# Arguments: +# msg: the warning message to print +# file: If not empty, a filename to request be sent to the owner for debug +def doWarning(msg, file): + print('/* %s */') % msg + if(file): + print('/* For a fix, please send this'+\ + ' %s file to <todd.e.brandt@intel.com> */' % file) + +# Function: rootCheck +# Description: +# quick check to see if we have root access +def rootCheck(): + if(os.environ['USER'] != 'root'): + doError('This script must be run as root', False) -data.initialize() +# Function: getArgInt +# Description: +# pull out an integer argument from the command line with checks +def getArgInt(name, args, min, max): + try: + arg = args.next() + except: + doError(name+': no argument supplied', True) + try: + val = int(arg) + except: + doError(name+': non-integer value given', True) + if(val < min or val > max): + doError(name+': value should be between %d and %d' % (min, max), True) + return val + +# Function: rerunTest +# Description: +# generate an output from an existing set of ftrace/dmesg logs +def rerunTest(): + global sysvals -# if instructed, re-analyze existing data files -if(data.notestrun): + if(sysvals.ftracefile != ''): + doesTraceLogHaveTraceEvents() + if(sysvals.dmesgfile == '' and not sysvals.usetraceeventsonly): + doError('recreating this html output '+\ + 'requires a dmesg file', False) sysvals.setOutputFile() - data.vprint("Output file: %s" % sysvals.htmlfile) - if(sysvals.dmesgfile != ""): - analyzeKernelLog() - if(sysvals.ftracefile != ""): - analyzeTraceLog() - createHTML() - sys.exit() + vprint('Output file: %s' % sysvals.htmlfile) + print('PROCESSING DATA') + if(sysvals.usetraceeventsonly): + testruns = parseTraceLog() + else: + testruns = loadKernelLog() + for data in testruns: + parseKernelLog(data) + if(sysvals.ftracefile != ''): + appendIncompleteTraceLog(testruns) + createHTML(testruns) + +# Function: runTest +# Description: +# execute a suspend/resume, gather the logs, and generate the output +def runTest(subdir): + global sysvals + + # prepare for the test + if(not sysvals.android): + initFtrace() + else: + initFtraceAndroid() + sysvals.initTestOutput(subdir) + + vprint('Output files:\n %s' % sysvals.dmesgfile) + if(sysvals.usecallgraph or + sysvals.usetraceevents or + sysvals.usetraceeventsonly): + vprint(' %s' % sysvals.ftracefile) + vprint(' %s' % sysvals.htmlfile) + + # execute the test + if(not sysvals.android): + executeSuspend() + else: + executeAndroidSuspend() + + # analyze the data and create the html output + print('PROCESSING DATA') + if(sysvals.usetraceeventsonly): + # data for kernels 3.15 or newer is entirely in ftrace + testruns = parseTraceLog() + else: + # data for kernels older than 3.15 is primarily in dmesg + testruns = loadKernelLog() + for data in testruns: + parseKernelLog(data) + if(sysvals.usecallgraph or sysvals.usetraceevents): + appendIncompleteTraceLog(testruns) + createHTML(testruns) + +# Function: runSummary +# Description: +# create a summary of tests in a sub-directory +def runSummary(subdir, output): + global sysvals + + # get a list of ftrace output files + files = [] + for dirname, dirnames, filenames in os.walk(subdir): + for filename in filenames: + if(re.match('.*_ftrace.txt', filename)): + files.append("%s/%s" % (dirname, filename)) + + # process the files in order and get an array of data objects + testruns = [] + for file in sorted(files): + if output: + print("Test found in %s" % os.path.dirname(file)) + sysvals.ftracefile = file + sysvals.dmesgfile = file.replace('_ftrace.txt', '_dmesg.txt') + doesTraceLogHaveTraceEvents() + sysvals.usecallgraph = False + if not sysvals.usetraceeventsonly: + if(not os.path.exists(sysvals.dmesgfile)): + print("Skipping %s: not a valid test input" % file) + continue + else: + if output: + f = os.path.basename(sysvals.ftracefile) + d = os.path.basename(sysvals.dmesgfile) + print("\tInput files: %s and %s" % (f, d)) + testdata = loadKernelLog() + data = testdata[0] + parseKernelLog(data) + testdata = [data] + appendIncompleteTraceLog(testdata) + else: + if output: + print("\tInput file: %s" % os.path.basename(sysvals.ftracefile)) + testdata = parseTraceLog() + data = testdata[0] + data.normalizeTime(data.tSuspended) + link = file.replace(subdir+'/', '').replace('_ftrace.txt', '.html') + data.outfile = link + testruns.append(data) + + createHTMLSummarySimple(testruns, subdir+'/summary.html') + +# Function: printHelp +# Description: +# print out the help text +def printHelp(): + global sysvals + modes = getModes() + + print('') + print('AnalyzeSuspend v%.1f' % sysvals.version) + print('Usage: sudo analyze_suspend.py <options>') + print('') + print('Description:') + print(' This tool is designed to assist kernel and OS developers in optimizing') + print(' their linux stack\'s suspend/resume time. Using a kernel image built') + print(' with a few extra options enabled, the tool will execute a suspend and') + print(' capture dmesg and ftrace data until resume is complete. This data is') + print(' transformed into a device timeline and an optional callgraph to give') + print(' a detailed view of which devices/subsystems are taking the most') + print(' time in suspend/resume.') + print('') + print(' Generates output files in subdirectory: suspend-mmddyy-HHMMSS') + print(' HTML output: <hostname>_<mode>.html') + print(' raw dmesg output: <hostname>_<mode>_dmesg.txt') + print(' raw ftrace output: <hostname>_<mode>_ftrace.txt') + print('') + print('Options:') + print(' [general]') + print(' -h Print this help text') + print(' -v Print the current tool version') + print(' -verbose Print extra information during execution and analysis') + print(' -status Test to see if the system is enabled to run this tool') + print(' -modes List available suspend modes') + print(' -m mode Mode to initiate for suspend %s (default: %s)') % (modes, sysvals.suspendmode) + print(' -rtcwake t Use rtcwake to autoresume after <t> seconds (default: disabled)') + print(' [advanced]') + print(' -f Use ftrace to create device callgraphs (default: disabled)') + print(' -filter "d1 d2 ..." Filter out all but this list of dev names') + print(' -x2 Run two suspend/resumes back to back (default: disabled)') + print(' -x2delay t Minimum millisecond delay <t> between the two test runs (default: 0 ms)') + print(' -postres t Time after resume completion to wait for post-resume events (default: 0 S)') + print(' -multi n d Execute <n> consecutive tests at <d> seconds intervals. The outputs will') + print(' be created in a new subdirectory with a summary page.') + print(' [utilities]') + print(' -fpdt Print out the contents of the ACPI Firmware Performance Data Table') + print(' -usbtopo Print out the current USB topology with power info') + print(' -usbauto Enable autosuspend for all connected USB devices') + print(' [android testing]') + print(' -adb binary Use the given adb binary to run the test on an android device.') + print(' The device should already be connected and with root access.') + print(' Commands will be executed on the device using "adb shell"') + print(' [re-analyze data from previous runs]') + print(' -ftrace ftracefile Create HTML output using ftrace input') + print(' -dmesg dmesgfile Create HTML output using dmesg (not needed for kernel >= 3.15)') + print(' -summary directory Create a summary of all test in this dir') + print('') + return True -# verify that we can run a test -data.usedmesg = True -statusCheck(False) - -# prepare for the test -if(data.useftrace): - initFtrace() -sysvals.initTestOutput() - -data.vprint("Output files:\n %s" % sysvals.dmesgfile) -if(data.useftrace): - data.vprint(" %s" % sysvals.ftracefile) -data.vprint(" %s" % sysvals.htmlfile) - -# execute the test -executeSuspend() -analyzeKernelLog() -if(data.useftrace): - analyzeTraceLog() -createHTML() +# ----------------- MAIN -------------------- +# exec start (skipped if script is loaded as library) +if __name__ == '__main__': + cmd = '' + cmdarg = '' + multitest = {'run': False, 'count': 0, 'delay': 0} + # loop through the command line arguments + args = iter(sys.argv[1:]) + for arg in args: + if(arg == '-m'): + try: + val = args.next() + except: + doError('No mode supplied', True) + sysvals.suspendmode = val + elif(arg == '-adb'): + try: + val = args.next() + except: + doError('No adb binary supplied', True) + if(not os.path.exists(val)): + doError('file doesnt exist: %s' % val, False) + if(not os.access(val, os.X_OK)): + doError('file isnt executable: %s' % val, False) + try: + check = os.popen(val+' version').read().strip() + except: + doError('adb version failed to execute', False) + if(not re.match('Android Debug Bridge .*', check)): + doError('adb version failed to execute', False) + sysvals.adb = val + sysvals.android = True + elif(arg == '-x2'): + if(sysvals.postresumetime > 0): + doError('-x2 is not compatible with -postres', False) + sysvals.execcount = 2 + elif(arg == '-x2delay'): + sysvals.x2delay = getArgInt('-x2delay', args, 0, 60000) + elif(arg == '-postres'): + if(sysvals.execcount != 1): + doError('-x2 is not compatible with -postres', False) + sysvals.postresumetime = getArgInt('-postres', args, 0, 3600) + elif(arg == '-f'): + sysvals.usecallgraph = True + elif(arg == '-modes'): + cmd = 'modes' + elif(arg == '-fpdt'): + cmd = 'fpdt' + elif(arg == '-usbtopo'): + cmd = 'usbtopo' + elif(arg == '-usbauto'): + cmd = 'usbauto' + elif(arg == '-status'): + cmd = 'status' + elif(arg == '-verbose'): + sysvals.verbose = True + elif(arg == '-v'): + print("Version %.1f" % sysvals.version) + sys.exit() + elif(arg == '-rtcwake'): + sysvals.rtcwake = True + sysvals.rtcwaketime = getArgInt('-rtcwake', args, 0, 3600) + elif(arg == '-multi'): + multitest['run'] = True + multitest['count'] = getArgInt('-multi n (exec count)', args, 2, 1000000) + multitest['delay'] = getArgInt('-multi d (delay between tests)', args, 0, 3600) + elif(arg == '-dmesg'): + try: + val = args.next() + except: + doError('No dmesg file supplied', True) + sysvals.notestrun = True + sysvals.dmesgfile = val + if(os.path.exists(sysvals.dmesgfile) == False): + doError('%s doesnt exist' % sysvals.dmesgfile, False) + elif(arg == '-ftrace'): + try: + val = args.next() + except: + doError('No ftrace file supplied', True) + sysvals.notestrun = True + sysvals.usecallgraph = True + sysvals.ftracefile = val + if(os.path.exists(sysvals.ftracefile) == False): + doError('%s doesnt exist' % sysvals.ftracefile, False) + elif(arg == '-summary'): + try: + val = args.next() + except: + doError('No directory supplied', True) + cmd = 'summary' + cmdarg = val + sysvals.notestrun = True + if(os.path.isdir(val) == False): + doError('%s isnt accesible' % val, False) + elif(arg == '-filter'): + try: + val = args.next() + except: + doError('No devnames supplied', True) + sysvals.setDeviceFilter(val) + elif(arg == '-h'): + printHelp() + sys.exit() + else: + doError('Invalid argument: '+arg, True) + + # just run a utility command and exit + if(cmd != ''): + if(cmd == 'status'): + statusCheck() + elif(cmd == 'fpdt'): + if(sysvals.android): + doError('cannot read FPDT on android device', False) + getFPDT(True) + elif(cmd == 'usbtopo'): + if(sysvals.android): + doError('cannot read USB topology '+\ + 'on an android device', False) + detectUSB(True) + elif(cmd == 'modes'): + modes = getModes() + print modes + elif(cmd == 'usbauto'): + setUSBDevicesAuto() + elif(cmd == 'summary'): + print("Generating a summary of folder \"%s\"" % cmdarg) + runSummary(cmdarg, True) + sys.exit() + + # run test on android device + if(sysvals.android): + if(sysvals.usecallgraph): + doError('ftrace (-f) is not yet supported '+\ + 'in the android kernel', False) + if(sysvals.notestrun): + doError('cannot analyze test files on the '+\ + 'android device', False) + + # if instructed, re-analyze existing data files + if(sysvals.notestrun): + rerunTest() + sys.exit() + + # verify that we can run a test + if(not statusCheck()): + print('Check FAILED, aborting the test run!') + sys.exit() + + if multitest['run']: + # run multiple tests in a separte subdirectory + s = 'x%d' % multitest['count'] + subdir = datetime.now().strftime('suspend-'+s+'-%m%d%y-%H%M%S') + os.mkdir(subdir) + for i in range(multitest['count']): + if(i != 0): + print('Waiting %d seconds...' % (multitest['delay'])) + time.sleep(multitest['delay']) + print('TEST (%d/%d) START' % (i+1, multitest['count'])) + runTest(subdir) + print('TEST (%d/%d) COMPLETE' % (i+1, multitest['count'])) + runSummary(subdir, False) + else: + # run the test in the current directory + runTest(".") diff --git a/scripts/coccinelle/api/alloc/alloc_cast.cocci b/scripts/coccinelle/api/alloc/alloc_cast.cocci new file mode 100644 index 000000000000..6c308ee19b32 --- /dev/null +++ b/scripts/coccinelle/api/alloc/alloc_cast.cocci @@ -0,0 +1,72 @@ +/// Remove casting the values returned by memory allocation functions +/// like kmalloc, kzalloc, kmem_cache_alloc, kmem_cache_zalloc etc. +/// +//# This makes an effort to find cases of casting of values returned by +//# kmalloc, kzalloc, kcalloc, kmem_cache_alloc, kmem_cache_zalloc, +//# kmem_cache_alloc_node, kmalloc_node and kzalloc_node and removes +//# the casting as it is not required. The result in the patch case may +//#need some reformatting. +// +// Confidence: High +// Copyright: 2014, Himangi Saraogi GPLv2. +// Comments: +// Options: --no-includes --include-headers +// + +virtual context +virtual patch +virtual org +virtual report + +//---------------------------------------------------------- +// For context mode +//---------------------------------------------------------- + +@depends on context@ +type T; +@@ + +* (T *) + \(kmalloc\|kzalloc\|kcalloc\|kmem_cache_alloc\|kmem_cache_zalloc\| + kmem_cache_alloc_node\|kmalloc_node\|kzalloc_node\)(...) + +//---------------------------------------------------------- +// For patch mode +//---------------------------------------------------------- + +@depends on patch@ +type T; +@@ + +- (T *) + (\(kmalloc\|kzalloc\|kcalloc\|kmem_cache_alloc\|kmem_cache_zalloc\| + kmem_cache_alloc_node\|kmalloc_node\|kzalloc_node\)(...)) + +//---------------------------------------------------------- +// For org and report mode +//---------------------------------------------------------- + +@r depends on org || report@ +type T; +position p; +@@ + + (T@p *)\(kmalloc\|kzalloc\|kcalloc\|kmem_cache_alloc\|kmem_cache_zalloc\| + kmem_cache_alloc_node\|kmalloc_node\|kzalloc_node\)(...) + +@script:python depends on org@ +p << r.p; +t << r.T; +@@ + +coccilib.org.print_safe_todo(p[0], t) + +@script:python depends on report@ +p << r.p; +t << r.T; +@@ + +msg="WARNING: casting value returned by memory allocation function to (%s *) is useless." % (t) +coccilib.report.print_report(p[0], msg) + + diff --git a/scripts/coccinelle/misc/array_size.cocci b/scripts/coccinelle/misc/array_size.cocci new file mode 100644 index 000000000000..81e279cd347b --- /dev/null +++ b/scripts/coccinelle/misc/array_size.cocci @@ -0,0 +1,87 @@ +/// Use ARRAY_SIZE instead of dividing sizeof array with sizeof an element +/// +//# This makes an effort to find cases where ARRAY_SIZE can be used such as +//# where there is a division of sizeof the array by the sizeof its first +//# element or by any indexed element or the element type. It replaces the +//# division of the two sizeofs by ARRAY_SIZE. +// +// Confidence: High +// Copyright: (C) 2014 Himangi Saraogi. GPLv2. +// Comments: +// Options: --no-includes --include-headers + +virtual patch +virtual context +virtual org +virtual report + +@i@ +@@ + +#include <linux/kernel.h> + +//---------------------------------------------------------- +// For context mode +//---------------------------------------------------------- + +@depends on i&&context@ +type T; +T[] E; +@@ +( +* (sizeof(E)/sizeof(*E)) +| +* (sizeof(E)/sizeof(E[...])) +| +* (sizeof(E)/sizeof(T)) +) + +//---------------------------------------------------------- +// For patch mode +//---------------------------------------------------------- + +@depends on i&&patch@ +type T; +T[] E; +@@ +( +- (sizeof(E)/sizeof(*E)) ++ ARRAY_SIZE(E) +| +- (sizeof(E)/sizeof(E[...])) ++ ARRAY_SIZE(E) +| +- (sizeof(E)/sizeof(T)) ++ ARRAY_SIZE(E) +) + +//---------------------------------------------------------- +// For org and report mode +//---------------------------------------------------------- + +@r@ +type T; +T[] E; +position p; +@@ +( + (sizeof(E)@p /sizeof(*E)) +| + (sizeof(E)@p /sizeof(E[...])) +| + (sizeof(E)@p /sizeof(T)) +) + +@script:python depends on i&&org@ +p << r.p; +@@ + +coccilib.org.print_todo(p[0], "WARNING should use ARRAY_SIZE") + +@script:python depends on i&&report@ +p << r.p; +@@ + +msg="WARNING: Use ARRAY_SIZE" +coccilib.report.print_report(p[0], msg) + diff --git a/scripts/coccinelle/misc/badty.cocci b/scripts/coccinelle/misc/badty.cocci new file mode 100644 index 000000000000..2fc06fc71927 --- /dev/null +++ b/scripts/coccinelle/misc/badty.cocci @@ -0,0 +1,76 @@ +/// Use ARRAY_SIZE instead of dividing sizeof array with sizeof an element +/// +//# This makes an effort to find cases where the argument to sizeof is wrong +//# in memory allocation functions by checking the type of the allocated memory +//# when it is a double pointer and ensuring the sizeof argument takes a pointer +//# to the the memory being allocated. There are false positives in cases the +//# sizeof argument is not used in constructing the return value. The result +//# may need some reformatting. +// +// Confidence: Moderate +// Copyright: (C) 2014 Himangi Saraogi. GPLv2. +// Comments: +// Options: + +virtual patch +virtual context +virtual org +virtual report + +//---------------------------------------------------------- +// For context mode +//---------------------------------------------------------- + +@depends on context disable sizeof_type_expr@ +type T; +T **x; +@@ + + x = + <+...sizeof( +* T + )...+> + +//---------------------------------------------------------- +// For patch mode +//---------------------------------------------------------- + +@depends on patch disable sizeof_type_expr@ +type T; +T **x; +@@ + + x = + <+...sizeof( +- T ++ *x + )...+> + +//---------------------------------------------------------- +// For org and report mode +//---------------------------------------------------------- + +@r disable sizeof_type_expr@ +type T; +T **x; +position p; +@@ + + x = + <+...sizeof( + T@p + )...+> + +@script:python depends on org@ +p << r.p; +@@ + +coccilib.org.print_todo(p[0], "WARNING sizeof argument should be pointer type, not structure type") + +@script:python depends on report@ +p << r.p; +@@ + +msg="WARNING: Use correct pointer type argument for sizeof" +coccilib.report.print_report(p[0], msg) + diff --git a/scripts/coccinelle/api/alloc/drop_kmalloc_cast.cocci b/scripts/coccinelle/misc/bugon.cocci index bd5d08b882ee..556456ca761c 100644 --- a/scripts/coccinelle/api/alloc/drop_kmalloc_cast.cocci +++ b/scripts/coccinelle/misc/bugon.cocci @@ -1,20 +1,17 @@ +/// Use BUG_ON instead of a if condition followed by BUG. /// -/// Casting (void *) value returned by kmalloc is useless -/// as mentioned in Documentation/CodingStyle, Chap 14. -/// -// Confidence: High -// Copyright: 2009,2010 Nicolas Palix, DIKU. GPLv2. -// URL: http://coccinelle.lip6.fr/ -// Options: --no-includes --include-headers -// -// Keywords: kmalloc, kzalloc, kcalloc -// Version min: < 2.6.12 kmalloc -// Version min: < 2.6.12 kcalloc -// Version min: 2.6.14 kzalloc +//# This makes an effort to find cases where BUG() follows an if +//# condition on an expression and replaces the if condition and BUG() +//# with a BUG_ON having the conditional expression of the if statement +//# as argument. // +// Confidence: High +// Copyright: (C) 2014 Himangi Saraogi. GPLv2. +// Comments: +// Options: --no-includes, --include-headers -virtual context virtual patch +virtual context virtual org virtual report @@ -23,45 +20,43 @@ virtual report //---------------------------------------------------------- @depends on context@ -type T; +expression e; @@ -* (T *) - \(kmalloc\|kzalloc\|kcalloc\)(...) +*if (e) BUG(); //---------------------------------------------------------- // For patch mode //---------------------------------------------------------- @depends on patch@ -type T; +expression e; @@ -- (T *) - \(kmalloc\|kzalloc\|kcalloc\)(...) +-if (e) BUG(); ++BUG_ON(e); //---------------------------------------------------------- // For org and report mode //---------------------------------------------------------- -@r depends on org || report@ -type T; +@r@ +expression e; position p; @@ - (T@p *)\(kmalloc\|kzalloc\|kcalloc\)(...) + if (e) BUG@p (); @script:python depends on org@ p << r.p; -t << r.T; @@ -coccilib.org.print_safe_todo(p[0], t) +coccilib.org.print_todo(p[0], "WARNING use BUG_ON") @script:python depends on report@ p << r.p; -t << r.T; @@ -msg="WARNING: casting value returned by k[cmz]alloc to (%s *) is useless." % (t) +msg="WARNING: Use BUG_ON" coccilib.report.print_report(p[0], msg) + diff --git a/scripts/coccinelle/null/badzero.cocci b/scripts/coccinelle/null/badzero.cocci index d79baf7220e7..5551da2b4fe3 100644 --- a/scripts/coccinelle/null/badzero.cocci +++ b/scripts/coccinelle/null/badzero.cocci @@ -10,7 +10,7 @@ // Copyright: (C) 2012 Julia Lawall, INRIA/LIP6. GPLv2. // Copyright: (C) 2012 Gilles Muller, INRIA/LiP6. GPLv2. // URL: http://coccinelle.lip6.fr/ -// Comments: +// Comments: Requires Coccinelle version 1.0.0-rc20 or later // Options: virtual patch @@ -19,6 +19,7 @@ virtual org virtual report @initialize:ocaml@ +@@ let negtable = Hashtbl.create 101 @depends on patch@ diff --git a/sound/oss/kahlua.c b/sound/oss/kahlua.c index 12be1fb512dd..c4b0434c7604 100644 --- a/sound/oss/kahlua.c +++ b/sound/oss/kahlua.c @@ -197,7 +197,7 @@ MODULE_LICENSE("GPL"); * 5530 only. The 5510/5520 decode is different. */ -static DEFINE_PCI_DEVICE_TABLE(id_tbl) = { +static const struct pci_device_id id_tbl[] = { { PCI_VDEVICE(CYRIX, PCI_DEVICE_ID_CYRIX_5530_AUDIO), 0 }, { } }; diff --git a/sound/oss/uart401.c b/sound/oss/uart401.c index 62b8869f5a4c..279bc565ac7e 100644 --- a/sound/oss/uart401.c +++ b/sound/oss/uart401.c @@ -30,7 +30,7 @@ #include "mpu401.h" -typedef struct uart401_devc +struct uart401_devc { int base; int irq; @@ -41,14 +41,13 @@ typedef struct uart401_devc int my_dev; int share_irq; spinlock_t lock; -} -uart401_devc; +}; #define DATAPORT (devc->base) #define COMDPORT (devc->base+1) #define STATPORT (devc->base+1) -static int uart401_status(uart401_devc * devc) +static int uart401_status(struct uart401_devc *devc) { return inb(STATPORT); } @@ -56,17 +55,17 @@ static int uart401_status(uart401_devc * devc) #define input_avail(devc) (!(uart401_status(devc)&INPUT_AVAIL)) #define output_ready(devc) (!(uart401_status(devc)&OUTPUT_READY)) -static void uart401_cmd(uart401_devc * devc, unsigned char cmd) +static void uart401_cmd(struct uart401_devc *devc, unsigned char cmd) { outb((cmd), COMDPORT); } -static int uart401_read(uart401_devc * devc) +static int uart401_read(struct uart401_devc *devc) { return inb(DATAPORT); } -static void uart401_write(uart401_devc * devc, unsigned char byte) +static void uart401_write(struct uart401_devc *devc, unsigned char byte) { outb((byte), DATAPORT); } @@ -77,10 +76,10 @@ static void uart401_write(uart401_devc * devc, unsigned char byte) #define MPU_RESET 0xFF #define UART_MODE_ON 0x3F -static int reset_uart401(uart401_devc * devc); -static void enter_uart_mode(uart401_devc * devc); +static int reset_uart401(struct uart401_devc *devc); +static void enter_uart_mode(struct uart401_devc *devc); -static void uart401_input_loop(uart401_devc * devc) +static void uart401_input_loop(struct uart401_devc *devc) { int work_limit=30000; @@ -99,7 +98,7 @@ static void uart401_input_loop(uart401_devc * devc) irqreturn_t uart401intr(int irq, void *dev_id) { - uart401_devc *devc = dev_id; + struct uart401_devc *devc = dev_id; if (devc == NULL) { @@ -118,7 +117,8 @@ uart401_open(int dev, int mode, void (*output) (int dev) ) { - uart401_devc *devc = (uart401_devc *) midi_devs[dev]->devc; + struct uart401_devc *devc = (struct uart401_devc *) + midi_devs[dev]->devc; if (devc->opened) return -EBUSY; @@ -138,7 +138,8 @@ uart401_open(int dev, int mode, static void uart401_close(int dev) { - uart401_devc *devc = (uart401_devc *) midi_devs[dev]->devc; + struct uart401_devc *devc = (struct uart401_devc *) + midi_devs[dev]->devc; reset_uart401(devc); devc->opened = 0; @@ -148,7 +149,8 @@ static int uart401_out(int dev, unsigned char midi_byte) { int timeout; unsigned long flags; - uart401_devc *devc = (uart401_devc *) midi_devs[dev]->devc; + struct uart401_devc *devc = (struct uart401_devc *) + midi_devs[dev]->devc; if (devc->disabled) return 1; @@ -219,7 +221,7 @@ static const struct midi_operations uart401_operations = .buffer_status = uart401_buffer_status, }; -static void enter_uart_mode(uart401_devc * devc) +static void enter_uart_mode(struct uart401_devc *devc) { int ok, timeout; unsigned long flags; @@ -241,7 +243,7 @@ static void enter_uart_mode(uart401_devc * devc) spin_unlock_irqrestore(&devc->lock,flags); } -static int reset_uart401(uart401_devc * devc) +static int reset_uart401(struct uart401_devc *devc) { int ok, timeout, n; @@ -285,7 +287,7 @@ static int reset_uart401(uart401_devc * devc) int probe_uart401(struct address_info *hw_config, struct module *owner) { - uart401_devc *devc; + struct uart401_devc *devc; char *name = "MPU-401 (UART) MIDI"; int ok = 0; unsigned long flags; @@ -300,7 +302,7 @@ int probe_uart401(struct address_info *hw_config, struct module *owner) return 0; } - devc = kmalloc(sizeof(uart401_devc), GFP_KERNEL); + devc = kmalloc(sizeof(struct uart401_devc), GFP_KERNEL); if (!devc) { printk(KERN_WARNING "uart401: Can't allocate memory\n"); goto cleanup_region; @@ -392,7 +394,7 @@ cleanup_region: void unload_uart401(struct address_info *hw_config) { - uart401_devc *devc; + struct uart401_devc *devc; int n=hw_config->slots[4]; /* Not set up */ diff --git a/sound/oss/waveartist.c b/sound/oss/waveartist.c index 672af8b56542..b36ea47527e8 100644 --- a/sound/oss/waveartist.c +++ b/sound/oss/waveartist.c @@ -92,7 +92,7 @@ static unsigned short levels[SOUND_MIXER_NRDEVICES] = { 0x0000 /* Monitor */ }; -typedef struct { +struct wavnc_info { struct address_info hw; /* hardware */ char *chip_name; @@ -119,7 +119,7 @@ typedef struct { unsigned int line_mute_state :1;/* set by ioctl or autoselect */ unsigned int use_slider :1;/* use slider setting for o/p vol */ #endif -} wavnc_info; +}; /* * This is the implementation specific mixer information. @@ -129,29 +129,30 @@ struct waveartist_mixer_info { unsigned int recording_devs; /* Recordable devies */ unsigned int stereo_devs; /* Stereo devices */ - unsigned int (*select_input)(wavnc_info *, unsigned int, + unsigned int (*select_input)(struct wavnc_info *, unsigned int, unsigned char *, unsigned char *); - int (*decode_mixer)(wavnc_info *, int, + int (*decode_mixer)(struct wavnc_info *, int, unsigned char, unsigned char); - int (*get_mixer)(wavnc_info *, int); + int (*get_mixer)(struct wavnc_info *, int); }; -typedef struct wavnc_port_info { +struct wavnc_port_info { int open_mode; int speed; int channels; int audio_format; -} wavnc_port_info; +}; static int nr_waveartist_devs; -static wavnc_info adev_info[MAX_AUDIO_DEV]; +static struct wavnc_info adev_info[MAX_AUDIO_DEV]; static DEFINE_SPINLOCK(waveartist_lock); #ifndef CONFIG_ARCH_NETWINDER #define machine_is_netwinder() 0 #else static struct timer_list vnc_timer; -static void vnc_configure_mixer(wavnc_info *devc, unsigned int input_mask); +static void vnc_configure_mixer(struct wavnc_info *devc, + unsigned int input_mask); static int vnc_private_ioctl(int dev, unsigned int cmd, int __user *arg); static void vnc_slider_tick(unsigned long data); #endif @@ -169,7 +170,7 @@ waveartist_set_ctlr(struct address_info *hw, unsigned char clear, unsigned char /* Toggle IRQ acknowledge line */ static inline void -waveartist_iack(wavnc_info *devc) +waveartist_iack(struct wavnc_info *devc) { unsigned int ctlr_port = devc->hw.io_base + CTLR; int old_ctlr; @@ -188,7 +189,7 @@ waveartist_sleep(int timeout_ms) } static int -waveartist_reset(wavnc_info *devc) +waveartist_reset(struct wavnc_info *devc) { struct address_info *hw = &devc->hw; unsigned int timeout, res = -1; @@ -223,7 +224,7 @@ waveartist_reset(wavnc_info *devc) * and can send or receive multiple words. */ static int -waveartist_cmd(wavnc_info *devc, +waveartist_cmd(struct wavnc_info *devc, int nr_cmd, unsigned int *cmd, int nr_resp, unsigned int *resp) { @@ -299,7 +300,7 @@ waveartist_cmd(wavnc_info *devc, * Send one command word */ static inline int -waveartist_cmd1(wavnc_info *devc, unsigned int cmd) +waveartist_cmd1(struct wavnc_info *devc, unsigned int cmd) { return waveartist_cmd(devc, 1, &cmd, 0, NULL); } @@ -308,7 +309,7 @@ waveartist_cmd1(wavnc_info *devc, unsigned int cmd) * Send one command, receive one word */ static inline unsigned int -waveartist_cmd1_r(wavnc_info *devc, unsigned int cmd) +waveartist_cmd1_r(struct wavnc_info *devc, unsigned int cmd) { unsigned int ret; @@ -322,7 +323,7 @@ waveartist_cmd1_r(wavnc_info *devc, unsigned int cmd) * word (and throw it away) */ static inline int -waveartist_cmd2(wavnc_info *devc, unsigned int cmd, unsigned int arg) +waveartist_cmd2(struct wavnc_info *devc, unsigned int cmd, unsigned int arg) { unsigned int vals[2]; @@ -336,7 +337,7 @@ waveartist_cmd2(wavnc_info *devc, unsigned int cmd, unsigned int arg) * Send a triple command */ static inline int -waveartist_cmd3(wavnc_info *devc, unsigned int cmd, +waveartist_cmd3(struct wavnc_info *devc, unsigned int cmd, unsigned int arg1, unsigned int arg2) { unsigned int vals[3]; @@ -349,7 +350,7 @@ waveartist_cmd3(wavnc_info *devc, unsigned int cmd, } static int -waveartist_getrev(wavnc_info *devc, char *rev) +waveartist_getrev(struct wavnc_info *devc, char *rev) { unsigned int temp[2]; unsigned int cmd = WACMD_GETREV; @@ -371,15 +372,15 @@ static void waveartist_trigger(int dev, int state); static int waveartist_open(int dev, int mode) { - wavnc_info *devc; - wavnc_port_info *portc; + struct wavnc_info *devc; + struct wavnc_port_info *portc; unsigned long flags; if (dev < 0 || dev >= num_audiodevs) return -ENXIO; - devc = (wavnc_info *) audio_devs[dev]->devc; - portc = (wavnc_port_info *) audio_devs[dev]->portc; + devc = (struct wavnc_info *) audio_devs[dev]->devc; + portc = (struct wavnc_port_info *) audio_devs[dev]->portc; spin_lock_irqsave(&waveartist_lock, flags); if (portc->open_mode || (devc->open_mode & mode)) { @@ -404,8 +405,10 @@ waveartist_open(int dev, int mode) static void waveartist_close(int dev) { - wavnc_info *devc = (wavnc_info *) audio_devs[dev]->devc; - wavnc_port_info *portc = (wavnc_port_info *) audio_devs[dev]->portc; + struct wavnc_info *devc = (struct wavnc_info *) + audio_devs[dev]->devc; + struct wavnc_port_info *portc = (struct wavnc_port_info *) + audio_devs[dev]->portc; unsigned long flags; spin_lock_irqsave(&waveartist_lock, flags); @@ -422,8 +425,10 @@ waveartist_close(int dev) static void waveartist_output_block(int dev, unsigned long buf, int __count, int intrflag) { - wavnc_port_info *portc = (wavnc_port_info *) audio_devs[dev]->portc; - wavnc_info *devc = (wavnc_info *) audio_devs[dev]->devc; + struct wavnc_port_info *portc = (struct wavnc_port_info *) + audio_devs[dev]->portc; + struct wavnc_info *devc = (struct wavnc_info *) + audio_devs[dev]->devc; unsigned long flags; unsigned int count = __count; @@ -467,8 +472,10 @@ waveartist_output_block(int dev, unsigned long buf, int __count, int intrflag) static void waveartist_start_input(int dev, unsigned long buf, int __count, int intrflag) { - wavnc_port_info *portc = (wavnc_port_info *) audio_devs[dev]->portc; - wavnc_info *devc = (wavnc_info *) audio_devs[dev]->devc; + struct wavnc_port_info *portc = (struct wavnc_port_info *) + audio_devs[dev]->portc; + struct wavnc_info *devc = (struct wavnc_info *) + audio_devs[dev]->devc; unsigned long flags; unsigned int count = __count; @@ -514,7 +521,7 @@ waveartist_ioctl(int dev, unsigned int cmd, void __user * arg) } static unsigned int -waveartist_get_speed(wavnc_port_info *portc) +waveartist_get_speed(struct wavnc_port_info *portc) { unsigned int speed; @@ -542,7 +549,7 @@ waveartist_get_speed(wavnc_port_info *portc) } static unsigned int -waveartist_get_bits(wavnc_port_info *portc) +waveartist_get_bits(struct wavnc_port_info *portc) { unsigned int bits; @@ -560,8 +567,10 @@ static int waveartist_prepare_for_input(int dev, int bsize, int bcount) { unsigned long flags; - wavnc_info *devc = (wavnc_info *) audio_devs[dev]->devc; - wavnc_port_info *portc = (wavnc_port_info *) audio_devs[dev]->portc; + struct wavnc_info *devc = (struct wavnc_info *) + audio_devs[dev]->devc; + struct wavnc_port_info *portc = (struct wavnc_port_info *) + audio_devs[dev]->portc; unsigned int speed, bits; if (devc->audio_mode) @@ -615,8 +624,10 @@ static int waveartist_prepare_for_output(int dev, int bsize, int bcount) { unsigned long flags; - wavnc_info *devc = (wavnc_info *) audio_devs[dev]->devc; - wavnc_port_info *portc = (wavnc_port_info *) audio_devs[dev]->portc; + struct wavnc_info *devc = (struct wavnc_info *) + audio_devs[dev]->devc; + struct wavnc_port_info *portc = (struct wavnc_port_info *) + audio_devs[dev]->portc; unsigned int speed, bits; /* @@ -660,8 +671,9 @@ waveartist_prepare_for_output(int dev, int bsize, int bcount) static void waveartist_halt(int dev) { - wavnc_port_info *portc = (wavnc_port_info *) audio_devs[dev]->portc; - wavnc_info *devc; + struct wavnc_port_info *portc = (struct wavnc_port_info *) + audio_devs[dev]->portc; + struct wavnc_info *devc; if (portc->open_mode & OPEN_WRITE) waveartist_halt_output(dev); @@ -669,14 +681,15 @@ waveartist_halt(int dev) if (portc->open_mode & OPEN_READ) waveartist_halt_input(dev); - devc = (wavnc_info *) audio_devs[dev]->devc; + devc = (struct wavnc_info *) audio_devs[dev]->devc; devc->audio_mode = 0; } static void waveartist_halt_input(int dev) { - wavnc_info *devc = (wavnc_info *) audio_devs[dev]->devc; + struct wavnc_info *devc = (struct wavnc_info *) + audio_devs[dev]->devc; unsigned long flags; spin_lock_irqsave(&waveartist_lock, flags); @@ -703,7 +716,8 @@ waveartist_halt_input(int dev) static void waveartist_halt_output(int dev) { - wavnc_info *devc = (wavnc_info *) audio_devs[dev]->devc; + struct wavnc_info *devc = (struct wavnc_info *) + audio_devs[dev]->devc; unsigned long flags; spin_lock_irqsave(&waveartist_lock, flags); @@ -727,8 +741,10 @@ waveartist_halt_output(int dev) static void waveartist_trigger(int dev, int state) { - wavnc_info *devc = (wavnc_info *) audio_devs[dev]->devc; - wavnc_port_info *portc = (wavnc_port_info *) audio_devs[dev]->portc; + struct wavnc_info *devc = (struct wavnc_info *) + audio_devs[dev]->devc; + struct wavnc_port_info *portc = (struct wavnc_port_info *) + audio_devs[dev]->portc; unsigned long flags; if (debug_flg & DEBUG_TRIGGER) { @@ -764,7 +780,8 @@ waveartist_trigger(int dev, int state) static int waveartist_set_speed(int dev, int arg) { - wavnc_port_info *portc = (wavnc_port_info *) audio_devs[dev]->portc; + struct wavnc_port_info *portc = (struct wavnc_port_info *) + audio_devs[dev]->portc; if (arg <= 0) return portc->speed; @@ -782,7 +799,8 @@ waveartist_set_speed(int dev, int arg) static short waveartist_set_channels(int dev, short arg) { - wavnc_port_info *portc = (wavnc_port_info *) audio_devs[dev]->portc; + struct wavnc_port_info *portc = (struct wavnc_port_info *) + audio_devs[dev]->portc; if (arg != 1 && arg != 2) return portc->channels; @@ -794,7 +812,8 @@ waveartist_set_channels(int dev, short arg) static unsigned int waveartist_set_bits(int dev, unsigned int arg) { - wavnc_port_info *portc = (wavnc_port_info *) audio_devs[dev]->portc; + struct wavnc_port_info *portc = (struct wavnc_port_info *) + audio_devs[dev]->portc; if (arg == 0) return portc->audio_format; @@ -829,7 +848,7 @@ static struct audio_driver waveartist_audio_driver = { static irqreturn_t waveartist_intr(int irq, void *dev_id) { - wavnc_info *devc = dev_id; + struct wavnc_info *devc = dev_id; int irqstatus, status; spin_lock(&waveartist_lock); @@ -912,7 +931,7 @@ static const struct mix_ent mix_devs[SOUND_MIXER_NRDEVICES] = { }; static void -waveartist_mixer_update(wavnc_info *devc, int whichDev) +waveartist_mixer_update(struct wavnc_info *devc, int whichDev) { unsigned int lev_left, lev_right; @@ -973,7 +992,8 @@ waveartist_mixer_update(wavnc_info *devc, int whichDev) * relevant *_select_input function has done that for us. */ static void -waveartist_set_adc_mux(wavnc_info *devc, char left_dev, char right_dev) +waveartist_set_adc_mux(struct wavnc_info *devc, char left_dev, + char right_dev) { unsigned int reg_08, reg_09; @@ -996,7 +1016,7 @@ waveartist_set_adc_mux(wavnc_info *devc, char left_dev, char right_dev) * SOUND_MASK_MIC Mic Microphone */ static unsigned int -waveartist_select_input(wavnc_info *devc, unsigned int recmask, +waveartist_select_input(struct wavnc_info *devc, unsigned int recmask, unsigned char *dev_l, unsigned char *dev_r) { unsigned int recdev = ADC_MUX_NONE; @@ -1024,7 +1044,8 @@ waveartist_select_input(wavnc_info *devc, unsigned int recmask, } static int -waveartist_decode_mixer(wavnc_info *devc, int dev, unsigned char lev_l, +waveartist_decode_mixer(struct wavnc_info *devc, int dev, + unsigned char lev_l, unsigned char lev_r) { switch (dev) { @@ -1050,7 +1071,7 @@ waveartist_decode_mixer(wavnc_info *devc, int dev, unsigned char lev_l, return dev; } -static int waveartist_get_mixer(wavnc_info *devc, int dev) +static int waveartist_get_mixer(struct wavnc_info *devc, int dev) { return devc->levels[dev]; } @@ -1068,7 +1089,7 @@ static const struct waveartist_mixer_info waveartist_mixer = { }; static void -waveartist_set_recmask(wavnc_info *devc, unsigned int recmask) +waveartist_set_recmask(struct wavnc_info *devc, unsigned int recmask) { unsigned char dev_l, dev_r; @@ -1092,7 +1113,7 @@ waveartist_set_recmask(wavnc_info *devc, unsigned int recmask) } static int -waveartist_set_mixer(wavnc_info *devc, int dev, unsigned int level) +waveartist_set_mixer(struct wavnc_info *devc, int dev, unsigned int level) { unsigned int lev_left = level & 0x00ff; unsigned int lev_right = (level & 0xff00) >> 8; @@ -1120,7 +1141,7 @@ waveartist_set_mixer(wavnc_info *devc, int dev, unsigned int level) static int waveartist_mixer_ioctl(int dev, unsigned int cmd, void __user * arg) { - wavnc_info *devc = (wavnc_info *)audio_devs[dev]->devc; + struct wavnc_info *devc = (struct wavnc_info *)audio_devs[dev]->devc; int ret = 0, val, nr; /* @@ -1204,7 +1225,7 @@ static struct mixer_operations waveartist_mixer_operations = }; static void -waveartist_mixer_reset(wavnc_info *devc) +waveartist_mixer_reset(struct wavnc_info *devc) { int i; @@ -1241,9 +1262,9 @@ waveartist_mixer_reset(wavnc_info *devc) waveartist_mixer_update(devc, i); } -static int __init waveartist_init(wavnc_info *devc) +static int __init waveartist_init(struct wavnc_info *devc) { - wavnc_port_info *portc; + struct wavnc_port_info *portc; char rev[3], dev_name[64]; int my_dev; @@ -1261,7 +1282,7 @@ static int __init waveartist_init(wavnc_info *devc) conf_printf2(dev_name, devc->hw.io_base, devc->hw.irq, devc->hw.dma, devc->hw.dma2); - portc = kzalloc(sizeof(wavnc_port_info), GFP_KERNEL); + portc = kzalloc(sizeof(struct wavnc_port_info), GFP_KERNEL); if (portc == NULL) goto nomem; @@ -1330,7 +1351,7 @@ nomem: static int __init probe_waveartist(struct address_info *hw_config) { - wavnc_info *devc = &adev_info[nr_waveartist_devs]; + struct wavnc_info *devc = &adev_info[nr_waveartist_devs]; if (nr_waveartist_devs >= MAX_AUDIO_DEV) { printk(KERN_WARNING "waveartist: too many audio devices\n"); @@ -1367,7 +1388,7 @@ static int __init probe_waveartist(struct address_info *hw_config) static void __init attach_waveartist(struct address_info *hw, const struct waveartist_mixer_info *mix) { - wavnc_info *devc = &adev_info[nr_waveartist_devs]; + struct wavnc_info *devc = &adev_info[nr_waveartist_devs]; /* * NOTE! If irq < 0, there is another driver which has allocated the @@ -1410,7 +1431,7 @@ attach_waveartist(struct address_info *hw, const struct waveartist_mixer_info *m static void __exit unload_waveartist(struct address_info *hw) { - wavnc_info *devc = NULL; + struct wavnc_info *devc = NULL; int i; for (i = 0; i < nr_waveartist_devs; i++) @@ -1478,7 +1499,7 @@ static void __exit unload_waveartist(struct address_info *hw) #define VNC_DISABLE_AUTOSWITCH 0x80 static inline void -vnc_mute_spkr(wavnc_info *devc) +vnc_mute_spkr(struct wavnc_info *devc) { unsigned long flags; @@ -1488,7 +1509,7 @@ vnc_mute_spkr(wavnc_info *devc) } static void -vnc_mute_lout(wavnc_info *devc) +vnc_mute_lout(struct wavnc_info *devc) { unsigned int left, right; @@ -1507,7 +1528,7 @@ vnc_mute_lout(wavnc_info *devc) } static int -vnc_volume_slider(wavnc_info *devc) +vnc_volume_slider(struct wavnc_info *devc) { static signed int old_slider_volume; unsigned long flags; @@ -1567,7 +1588,7 @@ vnc_volume_slider(wavnc_info *devc) * SOUND_MASK_MIC Right Mic Builtin microphone */ static unsigned int -netwinder_select_input(wavnc_info *devc, unsigned int recmask, +netwinder_select_input(struct wavnc_info *devc, unsigned int recmask, unsigned char *dev_l, unsigned char *dev_r) { unsigned int recdev_l = ADC_MUX_NONE, recdev_r = ADC_MUX_NONE; @@ -1604,7 +1625,7 @@ netwinder_select_input(wavnc_info *devc, unsigned int recmask, } static int -netwinder_decode_mixer(wavnc_info *devc, int dev, unsigned char lev_l, +netwinder_decode_mixer(struct wavnc_info *devc, int dev, unsigned char lev_l, unsigned char lev_r) { switch (dev) { @@ -1643,7 +1664,7 @@ netwinder_decode_mixer(wavnc_info *devc, int dev, unsigned char lev_l, return dev; } -static int netwinder_get_mixer(wavnc_info *devc, int dev) +static int netwinder_get_mixer(struct wavnc_info *devc, int dev) { int levels; @@ -1703,7 +1724,7 @@ static const struct waveartist_mixer_info netwinder_mixer = { }; static void -vnc_configure_mixer(wavnc_info *devc, unsigned int recmask) +vnc_configure_mixer(struct wavnc_info *devc, unsigned int recmask) { if (!devc->no_autoselect) { if (devc->handset_detect) { @@ -1729,7 +1750,7 @@ vnc_configure_mixer(wavnc_info *devc, unsigned int recmask) } static int -vnc_slider(wavnc_info *devc) +vnc_slider(struct wavnc_info *devc) { signed int slider_volume; unsigned int temp, old_hs, old_td; @@ -1795,7 +1816,7 @@ vnc_slider_tick(unsigned long data) static int vnc_private_ioctl(int dev, unsigned int cmd, int __user * arg) { - wavnc_info *devc = (wavnc_info *)audio_devs[dev]->devc; + struct wavnc_info *devc = (struct wavnc_info *)audio_devs[dev]->devc; int val; switch (cmd) { diff --git a/sound/pci/ad1889.c b/sound/pci/ad1889.c index 488f966adde3..7bfdf9c51416 100644 --- a/sound/pci/ad1889.c +++ b/sound/pci/ad1889.c @@ -1045,7 +1045,7 @@ snd_ad1889_remove(struct pci_dev *pci) snd_card_free(pci_get_drvdata(pci)); } -static DEFINE_PCI_DEVICE_TABLE(snd_ad1889_ids) = { +static const struct pci_device_id snd_ad1889_ids[] = { { PCI_DEVICE(PCI_VENDOR_ID_ANALOG_DEVICES, PCI_DEVICE_ID_AD1889JS) }, { 0, }, }; diff --git a/sound/pci/ali5451/ali5451.c b/sound/pci/ali5451/ali5451.c index feb29c24cab1..af89e42b2160 100644 --- a/sound/pci/ali5451/ali5451.c +++ b/sound/pci/ali5451/ali5451.c @@ -263,7 +263,7 @@ struct snd_ali { #endif }; -static DEFINE_PCI_DEVICE_TABLE(snd_ali_ids) = { +static const struct pci_device_id snd_ali_ids[] = { {PCI_DEVICE(PCI_VENDOR_ID_AL, PCI_DEVICE_ID_AL_M5451), 0, 0, 0}, {0, } }; diff --git a/sound/pci/als300.c b/sound/pci/als300.c index cc9a15a1304b..7bb6ac565107 100644 --- a/sound/pci/als300.c +++ b/sound/pci/als300.c @@ -141,7 +141,7 @@ struct snd_als300_substream_data { int block_counter_register; }; -static DEFINE_PCI_DEVICE_TABLE(snd_als300_ids) = { +static const struct pci_device_id snd_als300_ids[] = { { 0x4005, 0x0300, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_ALS300 }, { 0x4005, 0x0308, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_ALS300_PLUS }, { 0, } diff --git a/sound/pci/als4000.c b/sound/pci/als4000.c index b751c381d25e..d3e6424ee656 100644 --- a/sound/pci/als4000.c +++ b/sound/pci/als4000.c @@ -116,7 +116,7 @@ struct snd_card_als4000 { #endif }; -static DEFINE_PCI_DEVICE_TABLE(snd_als4000_ids) = { +static const struct pci_device_id snd_als4000_ids[] = { { 0x4005, 0x4000, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0, }, /* ALS4000 */ { 0, } }; diff --git a/sound/pci/asihpi/asihpi.c b/sound/pci/asihpi/asihpi.c index 901c9490398a..5017176bfaa1 100644 --- a/sound/pci/asihpi/asihpi.c +++ b/sound/pci/asihpi/asihpi.c @@ -2955,7 +2955,7 @@ static void snd_asihpi_remove(struct pci_dev *pci_dev) asihpi_adapter_remove(pci_dev); } -static DEFINE_PCI_DEVICE_TABLE(asihpi_pci_tbl) = { +static const struct pci_device_id asihpi_pci_tbl[] = { {HPI_PCI_VENDOR_ID_TI, HPI_PCI_DEV_ID_DSP6205, HPI_PCI_VENDOR_ID_AUDIOSCIENCE, PCI_ANY_ID, 0, 0, (kernel_ulong_t)HPI_6205}, diff --git a/sound/pci/atiixp.c b/sound/pci/atiixp.c index ae07b4926dc2..7895c5d300c7 100644 --- a/sound/pci/atiixp.c +++ b/sound/pci/atiixp.c @@ -286,7 +286,7 @@ struct atiixp { /* */ -static DEFINE_PCI_DEVICE_TABLE(snd_atiixp_ids) = { +static const struct pci_device_id snd_atiixp_ids[] = { { PCI_VDEVICE(ATI, 0x4341), 0 }, /* SB200 */ { PCI_VDEVICE(ATI, 0x4361), 0 }, /* SB300 */ { PCI_VDEVICE(ATI, 0x4370), 0 }, /* SB400 */ diff --git a/sound/pci/atiixp_modem.c b/sound/pci/atiixp_modem.c index b9dc96c5d21e..3c3241309a30 100644 --- a/sound/pci/atiixp_modem.c +++ b/sound/pci/atiixp_modem.c @@ -261,7 +261,7 @@ struct atiixp_modem { /* */ -static DEFINE_PCI_DEVICE_TABLE(snd_atiixp_ids) = { +static const struct pci_device_id snd_atiixp_ids[] = { { PCI_VDEVICE(ATI, 0x434d), 0 }, /* SB200 */ { PCI_VDEVICE(ATI, 0x4378), 0 }, /* SB400 */ { 0, } diff --git a/sound/pci/au88x0/au8810.c b/sound/pci/au88x0/au8810.c index aa51cc7771dd..1b2e34069eb3 100644 --- a/sound/pci/au88x0/au8810.c +++ b/sound/pci/au88x0/au8810.c @@ -1,6 +1,6 @@ #include "au8810.h" #include "au88x0.h" -static DEFINE_PCI_DEVICE_TABLE(snd_vortex_ids) = { +static const struct pci_device_id snd_vortex_ids[] = { {PCI_VDEVICE(AUREAL, PCI_DEVICE_ID_AUREAL_ADVANTAGE), 1,}, {0,} }; diff --git a/sound/pci/au88x0/au8820.c b/sound/pci/au88x0/au8820.c index 2f321e7306cd..74c53fa5f06b 100644 --- a/sound/pci/au88x0/au8820.c +++ b/sound/pci/au88x0/au8820.c @@ -1,6 +1,6 @@ #include "au8820.h" #include "au88x0.h" -static DEFINE_PCI_DEVICE_TABLE(snd_vortex_ids) = { +static const struct pci_device_id snd_vortex_ids[] = { {PCI_VDEVICE(AUREAL, PCI_DEVICE_ID_AUREAL_VORTEX_1), 0,}, {0,} }; diff --git a/sound/pci/au88x0/au8830.c b/sound/pci/au88x0/au8830.c index 279b78f06d22..56f675aad3ad 100644 --- a/sound/pci/au88x0/au8830.c +++ b/sound/pci/au88x0/au8830.c @@ -1,6 +1,6 @@ #include "au8830.h" #include "au88x0.h" -static DEFINE_PCI_DEVICE_TABLE(snd_vortex_ids) = { +static const struct pci_device_id snd_vortex_ids[] = { {PCI_VDEVICE(AUREAL, PCI_DEVICE_ID_AUREAL_VORTEX_2), 0,}, {0,} }; diff --git a/sound/pci/aw2/aw2-alsa.c b/sound/pci/aw2/aw2-alsa.c index 120d0d320a60..3878cf5de9a4 100644 --- a/sound/pci/aw2/aw2-alsa.c +++ b/sound/pci/aw2/aw2-alsa.c @@ -160,7 +160,7 @@ MODULE_PARM_DESC(id, "ID string for the Audiowerk2 soundcard."); module_param_array(enable, bool, NULL, 0444); MODULE_PARM_DESC(enable, "Enable Audiowerk2 soundcard."); -static DEFINE_PCI_DEVICE_TABLE(snd_aw2_ids) = { +static const struct pci_device_id snd_aw2_ids[] = { {PCI_VENDOR_ID_PHILIPS, PCI_DEVICE_ID_PHILIPS_SAA7146, 0, 0, 0, 0, 0}, {0} diff --git a/sound/pci/azt3328.c b/sound/pci/azt3328.c index c9216c0a9c8b..5a69e26cb2fb 100644 --- a/sound/pci/azt3328.c +++ b/sound/pci/azt3328.c @@ -321,7 +321,7 @@ struct snd_azf3328 { #endif }; -static DEFINE_PCI_DEVICE_TABLE(snd_azf3328_ids) = { +static const struct pci_device_id snd_azf3328_ids[] = { { 0x122D, 0x50DC, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, /* PCI168/3328 */ { 0x122D, 0x80DA, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, /* 3328 */ { 0, } diff --git a/sound/pci/bt87x.c b/sound/pci/bt87x.c index 70951fd9b354..058b9973c09c 100644 --- a/sound/pci/bt87x.c +++ b/sound/pci/bt87x.c @@ -796,7 +796,7 @@ fail: .driver_data = SND_BT87X_BOARD_ ## id } /* driver_data is the card id for that device */ -static DEFINE_PCI_DEVICE_TABLE(snd_bt87x_ids) = { +static const struct pci_device_id snd_bt87x_ids[] = { /* Hauppauge WinTV series */ BT_DEVICE(PCI_DEVICE_ID_BROOKTREE_878, 0x0070, 0x13eb, GENERIC), /* Hauppauge WinTV series */ @@ -966,7 +966,7 @@ static void snd_bt87x_remove(struct pci_dev *pci) /* default entries for all Bt87x cards - it's not exported */ /* driver_data is set to 0 to call detection */ -static DEFINE_PCI_DEVICE_TABLE(snd_bt87x_default_ids) = { +static const struct pci_device_id snd_bt87x_default_ids[] = { BT_DEVICE(PCI_DEVICE_ID_BROOKTREE_878, PCI_ANY_ID, PCI_ANY_ID, UNKNOWN), BT_DEVICE(PCI_DEVICE_ID_BROOKTREE_879, PCI_ANY_ID, PCI_ANY_ID, UNKNOWN), { } diff --git a/sound/pci/ca0106/ca0106_main.c b/sound/pci/ca0106/ca0106_main.c index f94cc6e97d4a..96af33965b51 100644 --- a/sound/pci/ca0106/ca0106_main.c +++ b/sound/pci/ca0106/ca0106_main.c @@ -1968,7 +1968,7 @@ static SIMPLE_DEV_PM_OPS(snd_ca0106_pm, snd_ca0106_suspend, snd_ca0106_resume); #endif // PCI IDs -static DEFINE_PCI_DEVICE_TABLE(snd_ca0106_ids) = { +static const struct pci_device_id snd_ca0106_ids[] = { { PCI_VDEVICE(CREATIVE, 0x0007), 0 }, /* Audigy LS or Live 24bit */ { 0, } }; diff --git a/sound/pci/cmipci.c b/sound/pci/cmipci.c index 12c318e175f4..85ed40339db9 100644 --- a/sound/pci/cmipci.c +++ b/sound/pci/cmipci.c @@ -2803,7 +2803,7 @@ static inline void snd_cmipci_proc_init(struct cmipci *cm) {} #endif -static DEFINE_PCI_DEVICE_TABLE(snd_cmipci_ids) = { +static const struct pci_device_id snd_cmipci_ids[] = { {PCI_VDEVICE(CMEDIA, PCI_DEVICE_ID_CMEDIA_CM8338A), 0}, {PCI_VDEVICE(CMEDIA, PCI_DEVICE_ID_CMEDIA_CM8338B), 0}, {PCI_VDEVICE(CMEDIA, PCI_DEVICE_ID_CMEDIA_CM8738), 0}, @@ -3026,7 +3026,7 @@ static int snd_cmipci_create(struct snd_card *card, struct pci_dev *pci, int integrated_midi = 0; char modelstr[16]; int pcm_index, pcm_spdif_index; - static DEFINE_PCI_DEVICE_TABLE(intel_82437vx) = { + static const struct pci_device_id intel_82437vx[] = { { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82437VX) }, { }, }; diff --git a/sound/pci/cs4281.c b/sound/pci/cs4281.c index 43d1f912c641..4c49b5c8a7b3 100644 --- a/sound/pci/cs4281.c +++ b/sound/pci/cs4281.c @@ -494,7 +494,7 @@ struct cs4281 { static irqreturn_t snd_cs4281_interrupt(int irq, void *dev_id); -static DEFINE_PCI_DEVICE_TABLE(snd_cs4281_ids) = { +static const struct pci_device_id snd_cs4281_ids[] = { { PCI_VDEVICE(CIRRUS, 0x6005), 0, }, /* CS4281 */ { 0, } }; diff --git a/sound/pci/cs46xx/cs46xx.c b/sound/pci/cs46xx/cs46xx.c index af0eacbc8bd2..6a6858c07826 100644 --- a/sound/pci/cs46xx/cs46xx.c +++ b/sound/pci/cs46xx/cs46xx.c @@ -64,7 +64,7 @@ MODULE_PARM_DESC(thinkpad, "Force to enable Thinkpad's CLKRUN control."); module_param_array(mmap_valid, bool, NULL, 0444); MODULE_PARM_DESC(mmap_valid, "Support OSS mmap."); -static DEFINE_PCI_DEVICE_TABLE(snd_cs46xx_ids) = { +static const struct pci_device_id snd_cs46xx_ids[] = { { PCI_VDEVICE(CIRRUS, 0x6001), 0, }, /* CS4280 */ { PCI_VDEVICE(CIRRUS, 0x6003), 0, }, /* CS4612 */ { PCI_VDEVICE(CIRRUS, 0x6004), 0, }, /* CS4615 */ diff --git a/sound/pci/cs5530.c b/sound/pci/cs5530.c index b4e0ff6a99a3..b1025507a467 100644 --- a/sound/pci/cs5530.c +++ b/sound/pci/cs5530.c @@ -66,7 +66,7 @@ struct snd_cs5530 { unsigned long pci_base; }; -static DEFINE_PCI_DEVICE_TABLE(snd_cs5530_ids) = { +static const struct pci_device_id snd_cs5530_ids[] = { {PCI_VENDOR_ID_CYRIX, PCI_DEVICE_ID_CYRIX_5530_AUDIO, PCI_ANY_ID, PCI_ANY_ID, 0, 0}, {0,} diff --git a/sound/pci/cs5535audio/cs5535audio.c b/sound/pci/cs5535audio/cs5535audio.c index edcbbda5c488..16288e4d338a 100644 --- a/sound/pci/cs5535audio/cs5535audio.c +++ b/sound/pci/cs5535audio/cs5535audio.c @@ -66,7 +66,7 @@ MODULE_PARM_DESC(id, "ID string for " DRIVER_NAME); module_param_array(enable, bool, NULL, 0444); MODULE_PARM_DESC(enable, "Enable " DRIVER_NAME); -static DEFINE_PCI_DEVICE_TABLE(snd_cs5535audio_ids) = { +static const struct pci_device_id snd_cs5535audio_ids[] = { { PCI_DEVICE(PCI_VENDOR_ID_NS, PCI_DEVICE_ID_NS_CS5535_AUDIO) }, { PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_CS5536_AUDIO) }, {} diff --git a/sound/pci/ctxfi/xfi.c b/sound/pci/ctxfi/xfi.c index 98426d09c8bd..8f8b566a1b35 100644 --- a/sound/pci/ctxfi/xfi.c +++ b/sound/pci/ctxfi/xfi.c @@ -44,7 +44,7 @@ MODULE_PARM_DESC(enable, "Enable Creative X-Fi driver"); module_param_array(subsystem, int, NULL, 0444); MODULE_PARM_DESC(subsystem, "Override subsystem ID for Creative X-Fi driver"); -static DEFINE_PCI_DEVICE_TABLE(ct_pci_dev_ids) = { +static const struct pci_device_id ct_pci_dev_ids[] = { /* only X-Fi is supported, so... */ { PCI_DEVICE(PCI_VENDOR_ID_CREATIVE, PCI_DEVICE_ID_CREATIVE_20K1), .driver_data = ATC20K1, diff --git a/sound/pci/echoaudio/darla20.c b/sound/pci/echoaudio/darla20.c index d47e72ae2ab3..4632946205a8 100644 --- a/sound/pci/echoaudio/darla20.c +++ b/sound/pci/echoaudio/darla20.c @@ -63,7 +63,7 @@ static const struct firmware card_fw[] = { {0, "darla20_dsp.fw"} }; -static DEFINE_PCI_DEVICE_TABLE(snd_echo_ids) = { +static const struct pci_device_id snd_echo_ids[] = { {0x1057, 0x1801, 0xECC0, 0x0010, 0, 0, 0}, /* DSP 56301 Darla20 rev.0 */ {0,} }; diff --git a/sound/pci/echoaudio/darla24.c b/sound/pci/echoaudio/darla24.c index 413acf702e3b..f81c839cc887 100644 --- a/sound/pci/echoaudio/darla24.c +++ b/sound/pci/echoaudio/darla24.c @@ -67,7 +67,7 @@ static const struct firmware card_fw[] = { {0, "darla24_dsp.fw"} }; -static DEFINE_PCI_DEVICE_TABLE(snd_echo_ids) = { +static const struct pci_device_id snd_echo_ids[] = { {0x1057, 0x1801, 0xECC0, 0x0040, 0, 0, 0}, /* DSP 56301 Darla24 rev.0 */ {0x1057, 0x1801, 0xECC0, 0x0041, 0, 0, 0}, /* DSP 56301 Darla24 rev.1 */ {0,} diff --git a/sound/pci/echoaudio/echo3g.c b/sound/pci/echoaudio/echo3g.c index 1ec4edca060d..3a5346c33d76 100644 --- a/sound/pci/echoaudio/echo3g.c +++ b/sound/pci/echoaudio/echo3g.c @@ -81,7 +81,7 @@ static const struct firmware card_fw[] = { {0, "3g_asic.fw"} }; -static DEFINE_PCI_DEVICE_TABLE(snd_echo_ids) = { +static const struct pci_device_id snd_echo_ids[] = { {0x1057, 0x3410, 0xECC0, 0x0100, 0, 0, 0}, /* Echo 3G */ {0,} }; diff --git a/sound/pci/echoaudio/gina20.c b/sound/pci/echoaudio/gina20.c index 039125b7e475..9cb81c500824 100644 --- a/sound/pci/echoaudio/gina20.c +++ b/sound/pci/echoaudio/gina20.c @@ -67,7 +67,7 @@ static const struct firmware card_fw[] = { {0, "gina20_dsp.fw"} }; -static DEFINE_PCI_DEVICE_TABLE(snd_echo_ids) = { +static const struct pci_device_id snd_echo_ids[] = { {0x1057, 0x1801, 0xECC0, 0x0020, 0, 0, 0}, /* DSP 56301 Gina20 rev.0 */ {0,} }; diff --git a/sound/pci/echoaudio/gina24.c b/sound/pci/echoaudio/gina24.c index 5e966f6ffaa3..35d3e6eac990 100644 --- a/sound/pci/echoaudio/gina24.c +++ b/sound/pci/echoaudio/gina24.c @@ -85,7 +85,7 @@ static const struct firmware card_fw[] = { {0, "gina24_361_asic.fw"} }; -static DEFINE_PCI_DEVICE_TABLE(snd_echo_ids) = { +static const struct pci_device_id snd_echo_ids[] = { {0x1057, 0x1801, 0xECC0, 0x0050, 0, 0, 0}, /* DSP 56301 Gina24 rev.0 */ {0x1057, 0x1801, 0xECC0, 0x0051, 0, 0, 0}, /* DSP 56301 Gina24 rev.1 */ {0x1057, 0x3410, 0xECC0, 0x0050, 0, 0, 0}, /* DSP 56361 Gina24 rev.0 */ diff --git a/sound/pci/echoaudio/indigo.c b/sound/pci/echoaudio/indigo.c index c166b7eea268..8d91842d1268 100644 --- a/sound/pci/echoaudio/indigo.c +++ b/sound/pci/echoaudio/indigo.c @@ -68,7 +68,7 @@ static const struct firmware card_fw[] = { {0, "indigo_dsp.fw"} }; -static DEFINE_PCI_DEVICE_TABLE(snd_echo_ids) = { +static const struct pci_device_id snd_echo_ids[] = { {0x1057, 0x3410, 0xECC0, 0x0090, 0, 0, 0}, /* Indigo */ {0,} }; diff --git a/sound/pci/echoaudio/indigodj.c b/sound/pci/echoaudio/indigodj.c index a3ef3b992f40..289cb969f5b9 100644 --- a/sound/pci/echoaudio/indigodj.c +++ b/sound/pci/echoaudio/indigodj.c @@ -68,7 +68,7 @@ static const struct firmware card_fw[] = { {0, "indigo_dj_dsp.fw"} }; -static DEFINE_PCI_DEVICE_TABLE(snd_echo_ids) = { +static const struct pci_device_id snd_echo_ids[] = { {0x1057, 0x3410, 0xECC0, 0x00B0, 0, 0, 0}, /* Indigo DJ*/ {0,} }; diff --git a/sound/pci/echoaudio/indigodjx.c b/sound/pci/echoaudio/indigodjx.c index f516444fc02d..201688ee50fa 100644 --- a/sound/pci/echoaudio/indigodjx.c +++ b/sound/pci/echoaudio/indigodjx.c @@ -68,7 +68,7 @@ static const struct firmware card_fw[] = { {0, "indigo_djx_dsp.fw"} }; -static DEFINE_PCI_DEVICE_TABLE(snd_echo_ids) = { +static const struct pci_device_id snd_echo_ids[] = { {0x1057, 0x3410, 0xECC0, 0x00E0, 0, 0, 0}, /* Indigo DJx*/ {0,} }; diff --git a/sound/pci/echoaudio/indigoio.c b/sound/pci/echoaudio/indigoio.c index c22c82fd1f99..405a3f2e496f 100644 --- a/sound/pci/echoaudio/indigoio.c +++ b/sound/pci/echoaudio/indigoio.c @@ -69,7 +69,7 @@ static const struct firmware card_fw[] = { {0, "indigo_io_dsp.fw"} }; -static DEFINE_PCI_DEVICE_TABLE(snd_echo_ids) = { +static const struct pci_device_id snd_echo_ids[] = { {0x1057, 0x3410, 0xECC0, 0x00A0, 0, 0, 0}, /* Indigo IO*/ {0,} }; diff --git a/sound/pci/echoaudio/indigoiox.c b/sound/pci/echoaudio/indigoiox.c index 86cf2d071758..e145b688148a 100644 --- a/sound/pci/echoaudio/indigoiox.c +++ b/sound/pci/echoaudio/indigoiox.c @@ -69,7 +69,7 @@ static const struct firmware card_fw[] = { {0, "indigo_iox_dsp.fw"} }; -static DEFINE_PCI_DEVICE_TABLE(snd_echo_ids) = { +static const struct pci_device_id snd_echo_ids[] = { {0x1057, 0x3410, 0xECC0, 0x00D0, 0, 0, 0}, /* Indigo IOx */ {0,} }; diff --git a/sound/pci/echoaudio/layla20.c b/sound/pci/echoaudio/layla20.c index 6a027f3931cc..b392dd776b71 100644 --- a/sound/pci/echoaudio/layla20.c +++ b/sound/pci/echoaudio/layla20.c @@ -76,7 +76,7 @@ static const struct firmware card_fw[] = { {0, "layla20_asic.fw"} }; -static DEFINE_PCI_DEVICE_TABLE(snd_echo_ids) = { +static const struct pci_device_id snd_echo_ids[] = { {0x1057, 0x1801, 0xECC0, 0x0030, 0, 0, 0}, /* DSP 56301 Layla20 rev.0 */ {0x1057, 0x1801, 0xECC0, 0x0031, 0, 0, 0}, /* DSP 56301 Layla20 rev.1 */ {0,} diff --git a/sound/pci/echoaudio/layla24.c b/sound/pci/echoaudio/layla24.c index 96a5991aca8f..bc7f730b0ec6 100644 --- a/sound/pci/echoaudio/layla24.c +++ b/sound/pci/echoaudio/layla24.c @@ -87,7 +87,7 @@ static const struct firmware card_fw[] = { {0, "layla24_2S_asic.fw"} }; -static DEFINE_PCI_DEVICE_TABLE(snd_echo_ids) = { +static const struct pci_device_id snd_echo_ids[] = { {0x1057, 0x3410, 0xECC0, 0x0060, 0, 0, 0}, /* DSP 56361 Layla24 rev.0 */ {0,} }; diff --git a/sound/pci/echoaudio/mia.c b/sound/pci/echoaudio/mia.c index b8ce27e67e3a..27a9a6e5db2d 100644 --- a/sound/pci/echoaudio/mia.c +++ b/sound/pci/echoaudio/mia.c @@ -77,7 +77,7 @@ static const struct firmware card_fw[] = { {0, "mia_dsp.fw"} }; -static DEFINE_PCI_DEVICE_TABLE(snd_echo_ids) = { +static const struct pci_device_id snd_echo_ids[] = { {0x1057, 0x3410, 0xECC0, 0x0080, 0, 0, 0}, /* DSP 56361 Mia rev.0 */ {0x1057, 0x3410, 0xECC0, 0x0081, 0, 0, 0}, /* DSP 56361 Mia rev.1 */ {0,} diff --git a/sound/pci/echoaudio/mona.c b/sound/pci/echoaudio/mona.c index 1283bfb26b2e..3d13875c303d 100644 --- a/sound/pci/echoaudio/mona.c +++ b/sound/pci/echoaudio/mona.c @@ -92,7 +92,7 @@ static const struct firmware card_fw[] = { {0, "mona_2_asic.fw"} }; -static DEFINE_PCI_DEVICE_TABLE(snd_echo_ids) = { +static const struct pci_device_id snd_echo_ids[] = { {0x1057, 0x1801, 0xECC0, 0x0070, 0, 0, 0}, /* DSP 56301 Mona rev.0 */ {0x1057, 0x1801, 0xECC0, 0x0071, 0, 0, 0}, /* DSP 56301 Mona rev.1 */ {0x1057, 0x1801, 0xECC0, 0x0072, 0, 0, 0}, /* DSP 56301 Mona rev.2 */ diff --git a/sound/pci/emu10k1/emu10k1.c b/sound/pci/emu10k1/emu10k1.c index ad9d9f8b48ed..4c171636efcd 100644 --- a/sound/pci/emu10k1/emu10k1.c +++ b/sound/pci/emu10k1/emu10k1.c @@ -79,7 +79,7 @@ MODULE_PARM_DESC(delay_pcm_irq, "Delay PCM interrupt by specified number of samp /* * Class 0401: 1102:0008 (rev 00) Subsystem: 1102:1001 -> Audigy2 Value Model:SB0400 */ -static DEFINE_PCI_DEVICE_TABLE(snd_emu10k1_ids) = { +static const struct pci_device_id snd_emu10k1_ids[] = { { PCI_VDEVICE(CREATIVE, 0x0002), 0 }, /* EMU10K1 */ { PCI_VDEVICE(CREATIVE, 0x0004), 1 }, /* Audigy */ { PCI_VDEVICE(CREATIVE, 0x0008), 1 }, /* Audigy 2 Value SB0400 */ diff --git a/sound/pci/emu10k1/emu10k1x.c b/sound/pci/emu10k1/emu10k1x.c index efe017526977..e223de1408c0 100644 --- a/sound/pci/emu10k1/emu10k1x.c +++ b/sound/pci/emu10k1/emu10k1x.c @@ -1634,7 +1634,7 @@ static void snd_emu10k1x_remove(struct pci_dev *pci) } // PCI IDs -static DEFINE_PCI_DEVICE_TABLE(snd_emu10k1x_ids) = { +static const struct pci_device_id snd_emu10k1x_ids[] = { { PCI_VDEVICE(CREATIVE, 0x0006), 0 }, /* Dell OEM version (EMU10K1) */ { 0, } }; diff --git a/sound/pci/ens1370.c b/sound/pci/ens1370.c index 29cd339ffc37..d94cb3ca7a64 100644 --- a/sound/pci/ens1370.c +++ b/sound/pci/ens1370.c @@ -446,7 +446,7 @@ struct ensoniq { static irqreturn_t snd_audiopci_interrupt(int irq, void *dev_id); -static DEFINE_PCI_DEVICE_TABLE(snd_audiopci_ids) = { +static const struct pci_device_id snd_audiopci_ids[] = { #ifdef CHIP1370 { PCI_VDEVICE(ENSONIQ, 0x5000), 0, }, /* ES1370 */ #endif diff --git a/sound/pci/es1938.c b/sound/pci/es1938.c index 34d95bf916b5..639962443ccc 100644 --- a/sound/pci/es1938.c +++ b/sound/pci/es1938.c @@ -243,7 +243,7 @@ struct es1938 { static irqreturn_t snd_es1938_interrupt(int irq, void *dev_id); -static DEFINE_PCI_DEVICE_TABLE(snd_es1938_ids) = { +static const struct pci_device_id snd_es1938_ids[] = { { PCI_VDEVICE(ESS, 0x1969), 0, }, /* Solo-1 */ { 0, } }; diff --git a/sound/pci/es1968.c b/sound/pci/es1968.c index 5bb1cf603301..a9956a7c5677 100644 --- a/sound/pci/es1968.c +++ b/sound/pci/es1968.c @@ -570,7 +570,7 @@ struct es1968 { static irqreturn_t snd_es1968_interrupt(int irq, void *dev_id); -static DEFINE_PCI_DEVICE_TABLE(snd_es1968_ids) = { +static const struct pci_device_id snd_es1968_ids[] = { /* Maestro 1 */ { 0x1285, 0x0100, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_MULTIMEDIA_AUDIO << 8, 0xffff00, TYPE_MAESTRO }, /* Maestro 2 */ diff --git a/sound/pci/fm801.c b/sound/pci/fm801.c index 529f5f4f4c9c..c5038303a126 100644 --- a/sound/pci/fm801.c +++ b/sound/pci/fm801.c @@ -218,7 +218,7 @@ struct fm801 { #endif }; -static DEFINE_PCI_DEVICE_TABLE(snd_fm801_ids) = { +static const struct pci_device_id snd_fm801_ids[] = { { 0x1319, 0x0801, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_MULTIMEDIA_AUDIO << 8, 0xffff00, 0, }, /* FM801 */ { 0x5213, 0x0510, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_MULTIMEDIA_AUDIO << 8, 0xffff00, 0, }, /* Gallant Odyssey Sound 4 */ { 0, } diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c index 5db1948699d8..aa302fb03fc5 100644 --- a/sound/pci/hda/hda_intel.c +++ b/sound/pci/hda/hda_intel.c @@ -265,6 +265,7 @@ enum { AZX_DRIVER_TERA, AZX_DRIVER_CTX, AZX_DRIVER_CTHDA, + AZX_DRIVER_CMEDIA, AZX_DRIVER_GENERIC, AZX_NUM_DRIVERS, /* keep this as last entry */ }; @@ -330,6 +331,7 @@ static char *driver_short_names[] = { [AZX_DRIVER_TERA] = "HDA Teradici", [AZX_DRIVER_CTX] = "HDA Creative", [AZX_DRIVER_CTHDA] = "HDA Creative", + [AZX_DRIVER_CMEDIA] = "HDA C-Media", [AZX_DRIVER_GENERIC] = "HD-Audio Generic", }; @@ -1373,6 +1375,7 @@ static void azx_check_snoop_available(struct azx *chip) snoop = false; break; case AZX_DRIVER_CTHDA: + case AZX_DRIVER_CMEDIA: snoop = false; break; } @@ -2154,6 +2157,10 @@ static const struct pci_device_id azx_ids[] = { .driver_data = AZX_DRIVER_CTX | AZX_DCAPS_CTX_WORKAROUND | AZX_DCAPS_RIRB_PRE_DELAY | AZX_DCAPS_POSFIX_LPIB }, #endif + /* CM8888 */ + { PCI_DEVICE(0x13f6, 0x5011), + .driver_data = AZX_DRIVER_CMEDIA | + AZX_DCAPS_NO_MSI | AZX_DCAPS_POSFIX_LPIB }, /* Vortex86MX */ { PCI_DEVICE(0x17f3, 0x3010), .driver_data = AZX_DRIVER_GENERIC }, /* VMware HDAudio */ diff --git a/sound/pci/hda/patch_ca0132.c b/sound/pci/hda/patch_ca0132.c index 4f3aba78f720..5d8455e2dacd 100644 --- a/sound/pci/hda/patch_ca0132.c +++ b/sound/pci/hda/patch_ca0132.c @@ -4376,6 +4376,9 @@ static void ca0132_download_dsp(struct hda_codec *codec) return; /* NOP */ #endif + if (spec->dsp_state == DSP_DOWNLOAD_FAILED) + return; /* don't retry failures */ + chipio_enable_clocks(codec); spec->dsp_state = DSP_DOWNLOADING; if (!ca0132_download_dsp_images(codec)) @@ -4552,7 +4555,8 @@ static int ca0132_init(struct hda_codec *codec) struct auto_pin_cfg *cfg = &spec->autocfg; int i; - spec->dsp_state = DSP_DOWNLOAD_INIT; + if (spec->dsp_state != DSP_DOWNLOAD_FAILED) + spec->dsp_state = DSP_DOWNLOAD_INIT; spec->curr_chip_addx = INVALID_CHIP_ADDRESS; snd_hda_power_up(codec); @@ -4663,6 +4667,7 @@ static int patch_ca0132(struct hda_codec *codec) codec->spec = spec; spec->codec = codec; + spec->dsp_state = DSP_DOWNLOAD_INIT; spec->num_mixers = 1; spec->mixers[0] = ca0132_mixer; diff --git a/sound/pci/hda/patch_cmedia.c b/sound/pci/hda/patch_cmedia.c index ed3d133ffbb6..c895a8f21192 100644 --- a/sound/pci/hda/patch_cmedia.c +++ b/sound/pci/hda/patch_cmedia.c @@ -75,15 +75,62 @@ static int patch_cmi9880(struct hda_codec *codec) return err; } +static int patch_cmi8888(struct hda_codec *codec) +{ + struct cmi_spec *spec; + struct auto_pin_cfg *cfg; + int err; + + spec = kzalloc(sizeof(*spec), GFP_KERNEL); + if (!spec) + return -ENOMEM; + + codec->spec = spec; + cfg = &spec->gen.autocfg; + snd_hda_gen_spec_init(&spec->gen); + + /* mask NID 0x10 from the playback volume selection; + * it's a headphone boost volume handled manually below + */ + spec->gen.out_vol_mask = (1ULL << 0x10); + + err = snd_hda_parse_pin_defcfg(codec, cfg, NULL, 0); + if (err < 0) + goto error; + err = snd_hda_gen_parse_auto_config(codec, cfg); + if (err < 0) + goto error; + + if (get_defcfg_device(snd_hda_codec_get_pincfg(codec, 0x10)) == + AC_JACK_HP_OUT) { + static const struct snd_kcontrol_new amp_kctl = + HDA_CODEC_VOLUME("Headphone Amp Playback Volume", + 0x10, 0, HDA_OUTPUT); + if (!snd_hda_gen_add_kctl(&spec->gen, NULL, &_kctl)) { + err = -ENOMEM; + goto error; + } + } + + codec->patch_ops = cmi_auto_patch_ops; + return 0; + + error: + snd_hda_gen_free(codec); + return err; +} + /* * patch entries */ static const struct hda_codec_preset snd_hda_preset_cmedia[] = { + { .id = 0x13f68888, .name = "CMI8888", .patch = patch_cmi8888 }, { .id = 0x13f69880, .name = "CMI9880", .patch = patch_cmi9880 }, { .id = 0x434d4980, .name = "CMI9880", .patch = patch_cmi9880 }, {} /* terminator */ }; +MODULE_ALIAS("snd-hda-codec-id:13f68888"); MODULE_ALIAS("snd-hda-codec-id:13f69880"); MODULE_ALIAS("snd-hda-codec-id:434d4980"); diff --git a/sound/pci/hda/patch_conexant.c b/sound/pci/hda/patch_conexant.c index 7627a69ca6d7..6f2fa838b635 100644 --- a/sound/pci/hda/patch_conexant.c +++ b/sound/pci/hda/patch_conexant.c @@ -26,6 +26,7 @@ #include <linux/module.h> #include <sound/core.h> #include <sound/jack.h> +#include <sound/tlv.h> #include "hda_codec.h" #include "hda_local.h" @@ -859,6 +860,11 @@ static int patch_conexant_auto(struct hda_codec *codec) if (err < 0) goto error; + if (codec->vendor_id == 0x14f15051) { + /* minimum value is actually mute */ + spec->gen.vmaster_tlv[3] |= TLV_DB_SCALE_MUTE; + } + codec->patch_ops = cx_auto_patch_ops; /* Some laptops with Conexant chips show stalls in S3 resume, diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c index 654c8f16d150..6b38ec3c6e57 100644 --- a/sound/pci/hda/patch_realtek.c +++ b/sound/pci/hda/patch_realtek.c @@ -2782,6 +2782,27 @@ static int alc269_parse_auto_config(struct hda_codec *codec) return alc_parse_auto_config(codec, alc269_ignore, ssids); } +static int find_ext_mic_pin(struct hda_codec *codec); + +static void alc286_shutup(struct hda_codec *codec) +{ + int i; + int mic_pin = find_ext_mic_pin(codec); + /* don't shut up pins when unloading the driver; otherwise it breaks + * the default pin setup at the next load of the driver + */ + if (codec->bus->shutdown) + return; + for (i = 0; i < codec->init_pins.used; i++) { + struct hda_pincfg *pin = snd_array_elem(&codec->init_pins, i); + /* use read here for syncing after issuing each verb */ + if (pin->nid != mic_pin) + snd_hda_codec_read(codec, pin->nid, 0, + AC_VERB_SET_PIN_WIDGET_CONTROL, 0); + } + codec->pins_shutup = 1; +} + static void alc269vb_toggle_power_output(struct hda_codec *codec, int power_up) { int val = alc_read_coef_idx(codec, 0x04); @@ -4072,7 +4093,7 @@ static unsigned int alc_power_filter_xps13(struct hda_codec *codec, /* Avoid pop noises when headphones are plugged in */ if (spec->gen.hp_jack_present) - if (nid == codec->afg || nid == 0x02) + if (nid == codec->afg || nid == 0x02 || nid == 0x15) return AC_PWRST_D0; return power_state; } @@ -4082,8 +4103,19 @@ static void alc_fixup_dell_xps13(struct hda_codec *codec, { if (action == HDA_FIXUP_ACT_PROBE) { struct alc_spec *spec = codec->spec; + struct hda_input_mux *imux = &spec->gen.input_mux; + int i; + spec->shutup = alc_no_shutup; codec->power_filter = alc_power_filter_xps13; + + /* Make the internal mic the default input source. */ + for (i = 0; i < imux->num_items; i++) { + if (spec->gen.imux_pins[i] == 0x12) { + spec->gen.cur_mux[0] = i; + break; + } + } } } @@ -5384,6 +5416,7 @@ static int patch_alc269(struct hda_codec *codec) case 0x10ec0286: case 0x10ec0288: spec->codec_variant = ALC269_TYPE_ALC286; + spec->shutup = alc286_shutup; break; case 0x10ec0255: spec->codec_variant = ALC269_TYPE_ALC255; diff --git a/sound/pci/ice1712/ice1712.c b/sound/pci/ice1712/ice1712.c index d9b9e4595f17..87f7fc41d4f2 100644 --- a/sound/pci/ice1712/ice1712.c +++ b/sound/pci/ice1712/ice1712.c @@ -105,7 +105,7 @@ module_param_array(dxr_enable, int, NULL, 0444); MODULE_PARM_DESC(dxr_enable, "Enable DXR support for Terratec DMX6FIRE."); -static DEFINE_PCI_DEVICE_TABLE(snd_ice1712_ids) = { +static const struct pci_device_id snd_ice1712_ids[] = { { PCI_VDEVICE(ICE, PCI_DEVICE_ID_ICE_1712), 0 }, /* ICE1712 */ { 0, } }; diff --git a/sound/pci/ice1712/ice1724.c b/sound/pci/ice1712/ice1724.c index 5e7948f3efe9..08cb08ac85e6 100644 --- a/sound/pci/ice1712/ice1724.c +++ b/sound/pci/ice1712/ice1724.c @@ -94,7 +94,7 @@ MODULE_PARM_DESC(model, "Use the given board model."); /* Both VT1720 and VT1724 have the same PCI IDs */ -static DEFINE_PCI_DEVICE_TABLE(snd_vt1724_ids) = { +static const struct pci_device_id snd_vt1724_ids[] = { { PCI_VDEVICE(ICE, PCI_DEVICE_ID_VT1724), 0 }, { 0, } }; diff --git a/sound/pci/intel8x0.c b/sound/pci/intel8x0.c index c91860e0a28d..4a28252a42b9 100644 --- a/sound/pci/intel8x0.c +++ b/sound/pci/intel8x0.c @@ -430,7 +430,7 @@ struct intel8x0 { u32 int_sta_mask; /* interrupt status mask */ }; -static DEFINE_PCI_DEVICE_TABLE(snd_intel8x0_ids) = { +static const struct pci_device_id snd_intel8x0_ids[] = { { PCI_VDEVICE(INTEL, 0x2415), DEVICE_INTEL }, /* 82801AA */ { PCI_VDEVICE(INTEL, 0x2425), DEVICE_INTEL }, /* 82901AB */ { PCI_VDEVICE(INTEL, 0x2445), DEVICE_INTEL }, /* 82801BA */ diff --git a/sound/pci/intel8x0m.c b/sound/pci/intel8x0m.c index b54d3e93cab1..6b40235be13c 100644 --- a/sound/pci/intel8x0m.c +++ b/sound/pci/intel8x0m.c @@ -219,7 +219,7 @@ struct intel8x0m { unsigned int pcm_pos_shift; }; -static DEFINE_PCI_DEVICE_TABLE(snd_intel8x0m_ids) = { +static const struct pci_device_id snd_intel8x0m_ids[] = { { PCI_VDEVICE(INTEL, 0x2416), DEVICE_INTEL }, /* 82801AA */ { PCI_VDEVICE(INTEL, 0x2426), DEVICE_INTEL }, /* 82901AB */ { PCI_VDEVICE(INTEL, 0x2446), DEVICE_INTEL }, /* 82801BA */ diff --git a/sound/pci/korg1212/korg1212.c b/sound/pci/korg1212/korg1212.c index 8f36d77f01e5..9fe549b2efdf 100644 --- a/sound/pci/korg1212/korg1212.c +++ b/sound/pci/korg1212/korg1212.c @@ -418,7 +418,7 @@ module_param_array(enable, bool, NULL, 0444); MODULE_PARM_DESC(enable, "Enable Korg 1212 soundcard."); MODULE_AUTHOR("Haroldo Gamal <gamal@alternex.com.br>"); -static DEFINE_PCI_DEVICE_TABLE(snd_korg1212_ids) = { +static const struct pci_device_id snd_korg1212_ids[] = { { .vendor = 0x10b5, .device = 0x906d, diff --git a/sound/pci/lola/lola.c b/sound/pci/lola/lola.c index 68824cdd137d..a75c8dc66dec 100644 --- a/sound/pci/lola/lola.c +++ b/sound/pci/lola/lola.c @@ -760,7 +760,7 @@ static void lola_remove(struct pci_dev *pci) } /* PCI IDs */ -static DEFINE_PCI_DEVICE_TABLE(lola_ids) = { +static const struct pci_device_id lola_ids[] = { { PCI_VDEVICE(DIGIGRAM, 0x0001) }, { 0, } }; diff --git a/sound/pci/lx6464es/lx6464es.c b/sound/pci/lx6464es/lx6464es.c index 27f60ce8a55c..a671f0865f71 100644 --- a/sound/pci/lx6464es/lx6464es.c +++ b/sound/pci/lx6464es/lx6464es.c @@ -56,7 +56,7 @@ static const char card_name[] = "LX6464ES"; #define PCI_DEVICE_ID_PLX_LX6464ES PCI_DEVICE_ID_PLX_9056 -static DEFINE_PCI_DEVICE_TABLE(snd_lx6464es_ids) = { +static const struct pci_device_id snd_lx6464es_ids[] = { { PCI_DEVICE(PCI_VENDOR_ID_PLX, PCI_DEVICE_ID_PLX_LX6464ES), .subvendor = PCI_VENDOR_ID_DIGIGRAM, .subdevice = PCI_SUBDEVICE_ID_DIGIGRAM_LX6464ES_SERIAL_SUBSYSTEM diff --git a/sound/pci/maestro3.c b/sound/pci/maestro3.c index 0d3ea3e79952..98823d11d485 100644 --- a/sound/pci/maestro3.c +++ b/sound/pci/maestro3.c @@ -800,7 +800,7 @@ struct snd_m3 { /* * pci ids */ -static DEFINE_PCI_DEVICE_TABLE(snd_m3_ids) = { +static const struct pci_device_id snd_m3_ids[] = { {PCI_VENDOR_ID_ESS, PCI_DEVICE_ID_ESS_ALLEGRO_1, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_MULTIMEDIA_AUDIO << 8, 0xffff00, 0}, {PCI_VENDOR_ID_ESS, PCI_DEVICE_ID_ESS_ALLEGRO, PCI_ANY_ID, PCI_ANY_ID, diff --git a/sound/pci/mixart/mixart.c b/sound/pci/mixart/mixart.c index a93e7af51eed..75fc342cff2a 100644 --- a/sound/pci/mixart/mixart.c +++ b/sound/pci/mixart/mixart.c @@ -61,7 +61,7 @@ MODULE_PARM_DESC(enable, "Enable Digigram " CARD_NAME " soundcard."); /* */ -static DEFINE_PCI_DEVICE_TABLE(snd_mixart_ids) = { +static const struct pci_device_id snd_mixart_ids[] = { { PCI_VDEVICE(MOTOROLA, 0x0003), 0, }, /* MC8240 */ { 0, } }; diff --git a/sound/pci/nm256/nm256.c b/sound/pci/nm256/nm256.c index ddc60215cc10..4e41a4e29a1e 100644 --- a/sound/pci/nm256/nm256.c +++ b/sound/pci/nm256/nm256.c @@ -262,7 +262,7 @@ struct nm256 { /* * PCI ids */ -static DEFINE_PCI_DEVICE_TABLE(snd_nm256_ids) = { +static const struct pci_device_id snd_nm256_ids[] = { {PCI_VDEVICE(NEOMAGIC, PCI_DEVICE_ID_NEOMAGIC_NM256AV_AUDIO), 0}, {PCI_VDEVICE(NEOMAGIC, PCI_DEVICE_ID_NEOMAGIC_NM256ZX_AUDIO), 0}, {PCI_VDEVICE(NEOMAGIC, PCI_DEVICE_ID_NEOMAGIC_NM256XL_PLUS_AUDIO), 0}, diff --git a/sound/pci/oxygen/oxygen.c b/sound/pci/oxygen/oxygen.c index ada6c256378e..74afb6b75976 100644 --- a/sound/pci/oxygen/oxygen.c +++ b/sound/pci/oxygen/oxygen.c @@ -97,7 +97,7 @@ enum { MODEL_XONAR_DGX, }; -static DEFINE_PCI_DEVICE_TABLE(oxygen_ids) = { +static const struct pci_device_id oxygen_ids[] = { /* C-Media's reference design */ { OXYGEN_PCI_SUBID(0x10b0, 0x0216), .driver_data = MODEL_CMEDIA_REF }, { OXYGEN_PCI_SUBID(0x10b0, 0x0217), .driver_data = MODEL_CMEDIA_REF }, diff --git a/sound/pci/oxygen/virtuoso.c b/sound/pci/oxygen/virtuoso.c index dbbbacfd535e..7b317a28a19c 100644 --- a/sound/pci/oxygen/virtuoso.c +++ b/sound/pci/oxygen/virtuoso.c @@ -41,7 +41,7 @@ MODULE_PARM_DESC(id, "ID string"); module_param_array(enable, bool, NULL, 0444); MODULE_PARM_DESC(enable, "enable card"); -static DEFINE_PCI_DEVICE_TABLE(xonar_ids) = { +static const struct pci_device_id xonar_ids[] = { { OXYGEN_PCI_SUBID(0x1043, 0x8269) }, { OXYGEN_PCI_SUBID(0x1043, 0x8275) }, { OXYGEN_PCI_SUBID(0x1043, 0x82b7) }, diff --git a/sound/pci/pcxhr/pcxhr.c b/sound/pci/pcxhr/pcxhr.c index 8d09444ff88b..68a37a7906c1 100644 --- a/sound/pci/pcxhr/pcxhr.c +++ b/sound/pci/pcxhr/pcxhr.c @@ -102,7 +102,7 @@ enum { PCI_ID_LAST }; -static DEFINE_PCI_DEVICE_TABLE(pcxhr_ids) = { +static const struct pci_device_id pcxhr_ids[] = { { 0x10b5, 0x9656, 0x1369, 0xb001, 0, 0, PCI_ID_VX882HR, }, { 0x10b5, 0x9656, 0x1369, 0xb101, 0, 0, PCI_ID_PCX882HR, }, { 0x10b5, 0x9656, 0x1369, 0xb201, 0, 0, PCI_ID_VX881HR, }, diff --git a/sound/pci/riptide/riptide.c b/sound/pci/riptide/riptide.c index f0315c3f7de4..6abc2ac8fffb 100644 --- a/sound/pci/riptide/riptide.c +++ b/sound/pci/riptide/riptide.c @@ -508,7 +508,7 @@ static int riptide_reset(struct cmdif *cif, struct snd_riptide *chip); /* */ -static DEFINE_PCI_DEVICE_TABLE(snd_riptide_ids) = { +static const struct pci_device_id snd_riptide_ids[] = { { PCI_DEVICE(0x127a, 0x4310) }, { PCI_DEVICE(0x127a, 0x4320) }, { PCI_DEVICE(0x127a, 0x4330) }, @@ -517,7 +517,7 @@ static DEFINE_PCI_DEVICE_TABLE(snd_riptide_ids) = { }; #ifdef SUPPORT_JOYSTICK -static DEFINE_PCI_DEVICE_TABLE(snd_riptide_joystick_ids) = { +static const struct pci_device_id snd_riptide_joystick_ids[] = { { PCI_DEVICE(0x127a, 0x4312) }, { PCI_DEVICE(0x127a, 0x4322) }, { PCI_DEVICE(0x127a, 0x4332) }, diff --git a/sound/pci/rme32.c b/sound/pci/rme32.c index cc2f0c1b6484..4afd3cab775b 100644 --- a/sound/pci/rme32.c +++ b/sound/pci/rme32.c @@ -226,7 +226,7 @@ struct rme32 { struct snd_kcontrol *spdif_ctl; }; -static DEFINE_PCI_DEVICE_TABLE(snd_rme32_ids) = { +static const struct pci_device_id snd_rme32_ids[] = { {PCI_VDEVICE(XILINX_RME, PCI_DEVICE_ID_RME_DIGI32), 0,}, {PCI_VDEVICE(XILINX_RME, PCI_DEVICE_ID_RME_DIGI32_8), 0,}, {PCI_VDEVICE(XILINX_RME, PCI_DEVICE_ID_RME_DIGI32_PRO), 0,}, diff --git a/sound/pci/rme96.c b/sound/pci/rme96.c index 76169929770d..5a395c87c6fc 100644 --- a/sound/pci/rme96.c +++ b/sound/pci/rme96.c @@ -263,7 +263,7 @@ struct rme96 { struct snd_kcontrol *spdif_ctl; }; -static DEFINE_PCI_DEVICE_TABLE(snd_rme96_ids) = { +static const struct pci_device_id snd_rme96_ids[] = { { PCI_VDEVICE(XILINX, PCI_DEVICE_ID_RME_DIGI96), 0, }, { PCI_VDEVICE(XILINX, PCI_DEVICE_ID_RME_DIGI96_8), 0, }, { PCI_VDEVICE(XILINX, PCI_DEVICE_ID_RME_DIGI96_8_PRO), 0, }, diff --git a/sound/pci/rme9652/hdsp.c b/sound/pci/rme9652/hdsp.c index 4c6f5d1c9882..7646ba1664eb 100644 --- a/sound/pci/rme9652/hdsp.c +++ b/sound/pci/rme9652/hdsp.c @@ -597,7 +597,7 @@ static void snd_hammerfall_free_buffer(struct snd_dma_buffer *dmab, struct pci_d } -static DEFINE_PCI_DEVICE_TABLE(snd_hdsp_ids) = { +static const struct pci_device_id snd_hdsp_ids[] = { { .vendor = PCI_VENDOR_ID_XILINX, .device = PCI_DEVICE_ID_XILINX_HAMMERFALL_DSP, diff --git a/sound/pci/rme9652/hdspm.c b/sound/pci/rme9652/hdspm.c index cb82b593473a..52d86af3ef2d 100644 --- a/sound/pci/rme9652/hdspm.c +++ b/sound/pci/rme9652/hdspm.c @@ -1077,7 +1077,7 @@ struct hdspm { }; -static DEFINE_PCI_DEVICE_TABLE(snd_hdspm_ids) = { +static const struct pci_device_id snd_hdspm_ids[] = { { .vendor = PCI_VENDOR_ID_XILINX, .device = PCI_DEVICE_ID_XILINX_HAMMERFALL_DSP_MADI, diff --git a/sound/pci/rme9652/rme9652.c b/sound/pci/rme9652/rme9652.c index 1d9be90f7748..fa9a2a8dce5a 100644 --- a/sound/pci/rme9652/rme9652.c +++ b/sound/pci/rme9652/rme9652.c @@ -307,7 +307,7 @@ static void snd_hammerfall_free_buffer(struct snd_dma_buffer *dmab, struct pci_d } -static DEFINE_PCI_DEVICE_TABLE(snd_rme9652_ids) = { +static const struct pci_device_id snd_rme9652_ids[] = { { .vendor = 0x10ee, .device = 0x3fc4, diff --git a/sound/pci/sis7019.c b/sound/pci/sis7019.c index 6b26b93e001d..7f6a0a0d115a 100644 --- a/sound/pci/sis7019.c +++ b/sound/pci/sis7019.c @@ -52,7 +52,7 @@ MODULE_PARM_DESC(enable, "Enable SiS7019 Audio Accelerator."); module_param(codecs, int, 0444); MODULE_PARM_DESC(codecs, "Set bit to indicate that codec number is expected to be present (default 1)"); -static DEFINE_PCI_DEVICE_TABLE(snd_sis7019_ids) = { +static const struct pci_device_id snd_sis7019_ids[] = { { PCI_DEVICE(PCI_VENDOR_ID_SI, 0x7019) }, { 0, } }; diff --git a/sound/pci/sonicvibes.c b/sound/pci/sonicvibes.c index 2044dc742071..5b0d317cc9a6 100644 --- a/sound/pci/sonicvibes.c +++ b/sound/pci/sonicvibes.c @@ -242,7 +242,7 @@ struct sonicvibes { #endif }; -static DEFINE_PCI_DEVICE_TABLE(snd_sonic_ids) = { +static const struct pci_device_id snd_sonic_ids[] = { { PCI_VDEVICE(S3, 0xca00), 0, }, { 0, } }; diff --git a/sound/pci/trident/trident.c b/sound/pci/trident/trident.c index d852458caf38..a54cd6879b31 100644 --- a/sound/pci/trident/trident.c +++ b/sound/pci/trident/trident.c @@ -62,7 +62,7 @@ MODULE_PARM_DESC(pcm_channels, "Number of hardware channels assigned for PCM."); module_param_array(wavetable_size, int, NULL, 0444); MODULE_PARM_DESC(wavetable_size, "Maximum memory size in kB for wavetable synth."); -static DEFINE_PCI_DEVICE_TABLE(snd_trident_ids) = { +static const struct pci_device_id snd_trident_ids[] = { {PCI_DEVICE(PCI_VENDOR_ID_TRIDENT, PCI_DEVICE_ID_TRIDENT_4DWAVE_DX), PCI_CLASS_MULTIMEDIA_AUDIO << 8, 0xffff00, 0}, {PCI_DEVICE(PCI_VENDOR_ID_TRIDENT, PCI_DEVICE_ID_TRIDENT_4DWAVE_NX), diff --git a/sound/pci/via82xx.c b/sound/pci/via82xx.c index 95b98f537b67..ecedf4dbfa2a 100644 --- a/sound/pci/via82xx.c +++ b/sound/pci/via82xx.c @@ -404,7 +404,7 @@ struct via82xx { #endif }; -static DEFINE_PCI_DEVICE_TABLE(snd_via82xx_ids) = { +static const struct pci_device_id snd_via82xx_ids[] = { /* 0x1106, 0x3058 */ { PCI_VDEVICE(VIA, PCI_DEVICE_ID_VIA_82C686_5), TYPE_CARD_VIA686, }, /* 686A */ /* 0x1106, 0x3059 */ diff --git a/sound/pci/via82xx_modem.c b/sound/pci/via82xx_modem.c index 46a0526b1d79..fd46ffe12e4f 100644 --- a/sound/pci/via82xx_modem.c +++ b/sound/pci/via82xx_modem.c @@ -260,7 +260,7 @@ struct via82xx_modem { struct snd_info_entry *proc_entry; }; -static DEFINE_PCI_DEVICE_TABLE(snd_via82xx_modem_ids) = { +static const struct pci_device_id snd_via82xx_modem_ids[] = { { PCI_VDEVICE(VIA, 0x3068), TYPE_CARD_VIA82XX_MODEM, }, { 0, } }; diff --git a/sound/pci/vx222/vx222.c b/sound/pci/vx222/vx222.c index ff9074d22607..3dc4732142ee 100644 --- a/sound/pci/vx222/vx222.c +++ b/sound/pci/vx222/vx222.c @@ -60,7 +60,7 @@ enum { VX_PCI_VX222_NEW }; -static DEFINE_PCI_DEVICE_TABLE(snd_vx222_ids) = { +static const struct pci_device_id snd_vx222_ids[] = { { 0x10b5, 0x9050, 0x1369, PCI_ANY_ID, 0, 0, VX_PCI_VX222_OLD, }, /* PLX */ { 0x10b5, 0x9030, 0x1369, PCI_ANY_ID, 0, 0, VX_PCI_VX222_NEW, }, /* PLX */ { 0, } diff --git a/sound/pci/ymfpci/ymfpci.c b/sound/pci/ymfpci/ymfpci.c index 82eed164b275..47a192369e8f 100644 --- a/sound/pci/ymfpci/ymfpci.c +++ b/sound/pci/ymfpci/ymfpci.c @@ -66,7 +66,7 @@ MODULE_PARM_DESC(joystick_port, "Joystick port address"); module_param_array(rear_switch, bool, NULL, 0444); MODULE_PARM_DESC(rear_switch, "Enable shared rear/line-in switch"); -static DEFINE_PCI_DEVICE_TABLE(snd_ymfpci_ids) = { +static const struct pci_device_id snd_ymfpci_ids[] = { { PCI_VDEVICE(YAMAHA, 0x0004), 0, }, /* YMF724 */ { PCI_VDEVICE(YAMAHA, 0x000d), 0, }, /* YMF724F */ { PCI_VDEVICE(YAMAHA, 0x000a), 0, }, /* YMF740 */ diff --git a/sound/ppc/pmac.c b/sound/ppc/pmac.c index 7a43c0c38316..8a431bcb056c 100644 --- a/sound/ppc/pmac.c +++ b/sound/ppc/pmac.c @@ -992,9 +992,9 @@ static int snd_pmac_detect(struct snd_pmac *chip) return -ENODEV; if (!sound) { - sound = of_find_node_by_name(NULL, "sound"); - while (sound && sound->parent != chip->node) - sound = of_find_node_by_name(sound, "sound"); + for_each_node_by_name(sound, "sound") + if (sound->parent == chip->node) + break; } if (! sound) { of_node_put(chip->node); diff --git a/sound/usb/quirks-table.h b/sound/usb/quirks-table.h index f652b10ce905..223c47b33ba3 100644 --- a/sound/usb/quirks-table.h +++ b/sound/usb/quirks-table.h @@ -1581,6 +1581,35 @@ YAMAHA_DEVICE(0x7010, "UB99"), } }, { + /* BOSS ME-25 */ + USB_DEVICE(0x0582, 0x0113), + .driver_info = (unsigned long) & (const struct snd_usb_audio_quirk) { + .ifnum = QUIRK_ANY_INTERFACE, + .type = QUIRK_COMPOSITE, + .data = (const struct snd_usb_audio_quirk[]) { + { + .ifnum = 0, + .type = QUIRK_AUDIO_STANDARD_INTERFACE + }, + { + .ifnum = 1, + .type = QUIRK_AUDIO_STANDARD_INTERFACE + }, + { + .ifnum = 2, + .type = QUIRK_MIDI_FIXED_ENDPOINT, + .data = & (const struct snd_usb_midi_endpoint_info) { + .out_cables = 0x0001, + .in_cables = 0x0001 + } + }, + { + .ifnum = -1 + } + } + } +}, +{ /* only 44.1 kHz works at the moment */ USB_DEVICE(0x0582, 0x0120), .driver_info = (unsigned long) & (const struct snd_usb_audio_quirk) { diff --git a/tools/power/x86/turbostat/turbostat.c b/tools/power/x86/turbostat/turbostat.c index d0396af99fa0..5b1b807265a1 100644 --- a/tools/power/x86/turbostat/turbostat.c +++ b/tools/power/x86/turbostat/turbostat.c @@ -267,90 +267,90 @@ int get_msr(int cpu, off_t offset, unsigned long long *msr) /* * Example Format w/ field column widths: * - * Package Core CPU Avg_MHz Bzy_MHz TSC_MHz SMI %Busy CPU_%c1 CPU_%c3 CPU_%c6 CPU_%c7 CoreTmp PkgTmp Pkg%pc2 Pkg%pc3 Pkg%pc6 Pkg%pc7 PkgWatt CorWatt GFXWatt - * 1234567 1234567 1234567 1234567 1234567 1234567 1234567 1234567 1234567 1234567 1234567 1234567 1234567 1234567 1234567 1234567 1234567 1234567 1234567 1234567 1234567 + * Package Core CPU Avg_MHz Bzy_MHz TSC_MHz SMI %Busy CPU_%c1 CPU_%c3 CPU_%c6 CPU_%c7 CoreTmp PkgTmp Pkg%pc2 Pkg%pc3 Pkg%pc6 Pkg%pc7 PkgWatt CorWatt GFXWatt + * 123456781234567812345678123456781234567812345678123456781234567812345678123456781234567812345678123456781234567812345678123456781234567812345678123456781234567812345678 */ void print_header(void) { if (show_pkg) - outp += sprintf(outp, "Package "); + outp += sprintf(outp, " Package"); if (show_core) - outp += sprintf(outp, " Core "); + outp += sprintf(outp, " Core"); if (show_cpu) - outp += sprintf(outp, " CPU "); + outp += sprintf(outp, " CPU"); if (has_aperf) - outp += sprintf(outp, "Avg_MHz "); + outp += sprintf(outp, " Avg_MHz"); if (do_nhm_cstates) - outp += sprintf(outp, " %%Busy "); + outp += sprintf(outp, " %%Busy"); if (has_aperf) - outp += sprintf(outp, "Bzy_MHz "); - outp += sprintf(outp, "TSC_MHz "); + outp += sprintf(outp, " Bzy_MHz"); + outp += sprintf(outp, " TSC_MHz"); if (do_smi) - outp += sprintf(outp, " SMI "); + outp += sprintf(outp, " SMI"); if (extra_delta_offset32) - outp += sprintf(outp, " count 0x%03X ", extra_delta_offset32); + outp += sprintf(outp, " count 0x%03X", extra_delta_offset32); if (extra_delta_offset64) - outp += sprintf(outp, " COUNT 0x%03X ", extra_delta_offset64); + outp += sprintf(outp, " COUNT 0x%03X", extra_delta_offset64); if (extra_msr_offset32) - outp += sprintf(outp, " MSR 0x%03X ", extra_msr_offset32); + outp += sprintf(outp, " MSR 0x%03X", extra_msr_offset32); if (extra_msr_offset64) - outp += sprintf(outp, " MSR 0x%03X ", extra_msr_offset64); + outp += sprintf(outp, " MSR 0x%03X", extra_msr_offset64); if (do_nhm_cstates) - outp += sprintf(outp, " CPU%%c1 "); + outp += sprintf(outp, " CPU%%c1"); if (do_nhm_cstates && !do_slm_cstates) - outp += sprintf(outp, " CPU%%c3 "); + outp += sprintf(outp, " CPU%%c3"); if (do_nhm_cstates) - outp += sprintf(outp, " CPU%%c6 "); + outp += sprintf(outp, " CPU%%c6"); if (do_snb_cstates) - outp += sprintf(outp, " CPU%%c7 "); + outp += sprintf(outp, " CPU%%c7"); if (do_dts) - outp += sprintf(outp, "CoreTmp "); + outp += sprintf(outp, " CoreTmp"); if (do_ptm) - outp += sprintf(outp, " PkgTmp "); + outp += sprintf(outp, " PkgTmp"); if (do_snb_cstates) - outp += sprintf(outp, "Pkg%%pc2 "); + outp += sprintf(outp, " Pkg%%pc2"); if (do_nhm_cstates && !do_slm_cstates) - outp += sprintf(outp, "Pkg%%pc3 "); + outp += sprintf(outp, " Pkg%%pc3"); if (do_nhm_cstates && !do_slm_cstates) - outp += sprintf(outp, "Pkg%%pc6 "); + outp += sprintf(outp, " Pkg%%pc6"); if (do_snb_cstates) - outp += sprintf(outp, "Pkg%%pc7 "); + outp += sprintf(outp, " Pkg%%pc7"); if (do_c8_c9_c10) { - outp += sprintf(outp, "Pkg%%pc8 "); - outp += sprintf(outp, "Pkg%%pc9 "); - outp += sprintf(outp, "Pk%%pc10 "); + outp += sprintf(outp, " Pkg%%pc8"); + outp += sprintf(outp, " Pkg%%pc9"); + outp += sprintf(outp, " Pk%%pc10"); } if (do_rapl && !rapl_joules) { if (do_rapl & RAPL_PKG) - outp += sprintf(outp, "PkgWatt "); + outp += sprintf(outp, " PkgWatt"); if (do_rapl & RAPL_CORES) - outp += sprintf(outp, "CorWatt "); + outp += sprintf(outp, " CorWatt"); if (do_rapl & RAPL_GFX) - outp += sprintf(outp, "GFXWatt "); + outp += sprintf(outp, " GFXWatt"); if (do_rapl & RAPL_DRAM) - outp += sprintf(outp, "RAMWatt "); + outp += sprintf(outp, " RAMWatt"); if (do_rapl & RAPL_PKG_PERF_STATUS) - outp += sprintf(outp, " PKG_%% "); + outp += sprintf(outp, " PKG_%%"); if (do_rapl & RAPL_DRAM_PERF_STATUS) - outp += sprintf(outp, " RAM_%% "); + outp += sprintf(outp, " RAM_%%"); } else { if (do_rapl & RAPL_PKG) - outp += sprintf(outp, " Pkg_J "); + outp += sprintf(outp, " Pkg_J"); if (do_rapl & RAPL_CORES) - outp += sprintf(outp, " Cor_J "); + outp += sprintf(outp, " Cor_J"); if (do_rapl & RAPL_GFX) - outp += sprintf(outp, " GFX_J "); + outp += sprintf(outp, " GFX_J"); if (do_rapl & RAPL_DRAM) - outp += sprintf(outp, " RAM_W "); + outp += sprintf(outp, " RAM_W"); if (do_rapl & RAPL_PKG_PERF_STATUS) - outp += sprintf(outp, " PKG_%% "); + outp += sprintf(outp, " PKG_%%"); if (do_rapl & RAPL_DRAM_PERF_STATUS) - outp += sprintf(outp, " RAM_%% "); - outp += sprintf(outp, " time "); + outp += sprintf(outp, " RAM_%%"); + outp += sprintf(outp, " time"); } outp += sprintf(outp, "\n"); diff --git a/virt/kvm/assigned-dev.c b/virt/kvm/assigned-dev.c index bf06577fea51..5819a2708d7e 100644 --- a/virt/kvm/assigned-dev.c +++ b/virt/kvm/assigned-dev.c @@ -526,8 +526,10 @@ static int assign_guest_irq(struct kvm *kvm, dev->irq_requested_type |= guest_irq_type; if (dev->ack_notifier.gsi != -1) kvm_register_irq_ack_notifier(kvm, &dev->ack_notifier); - } else + } else { kvm_free_irq_source_id(kvm, dev->irq_source_id); + dev->irq_source_id = -1; + } return r; } diff --git a/virt/kvm/iommu.c b/virt/kvm/iommu.c index 0df7d4b34dfe..714b94932312 100644 --- a/virt/kvm/iommu.c +++ b/virt/kvm/iommu.c @@ -61,6 +61,14 @@ static pfn_t kvm_pin_pages(struct kvm_memory_slot *slot, gfn_t gfn, return pfn; } +static void kvm_unpin_pages(struct kvm *kvm, pfn_t pfn, unsigned long npages) +{ + unsigned long i; + + for (i = 0; i < npages; ++i) + kvm_release_pfn_clean(pfn + i); +} + int kvm_iommu_map_pages(struct kvm *kvm, struct kvm_memory_slot *slot) { gfn_t gfn, end_gfn; @@ -123,6 +131,7 @@ int kvm_iommu_map_pages(struct kvm *kvm, struct kvm_memory_slot *slot) if (r) { printk(KERN_ERR "kvm_iommu_map_address:" "iommu failed to map pfn=%llx\n", pfn); + kvm_unpin_pages(kvm, pfn, page_size); goto unmap_pages; } @@ -134,7 +143,7 @@ int kvm_iommu_map_pages(struct kvm *kvm, struct kvm_memory_slot *slot) return 0; unmap_pages: - kvm_iommu_put_pages(kvm, slot->base_gfn, gfn); + kvm_iommu_put_pages(kvm, slot->base_gfn, gfn - slot->base_gfn); return r; } @@ -266,14 +275,6 @@ out_unlock: return r; } -static void kvm_unpin_pages(struct kvm *kvm, pfn_t pfn, unsigned long npages) -{ - unsigned long i; - - for (i = 0; i < npages; ++i) - kvm_release_pfn_clean(pfn + i); -} - static void kvm_iommu_put_pages(struct kvm *kvm, gfn_t base_gfn, unsigned long npages) { |