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-rw-r--r--drivers/block/Kconfig27
-rw-r--r--drivers/block/Makefile1
-rw-r--r--drivers/block/cciss.c5415
-rw-r--r--drivers/block/cciss.h433
-rw-r--r--drivers/block/cciss_cmd.h269
-rw-r--r--drivers/block/cciss_scsi.c1653
-rw-r--r--drivers/block/cciss_scsi.h79
-rw-r--r--drivers/message/fusion/mptbase.c8
-rw-r--r--drivers/message/fusion/mptfc.c10
-rw-r--r--drivers/message/fusion/mptsas.c86
-rw-r--r--drivers/s390/scsi/zfcp_aux.c1
-rw-r--r--drivers/s390/scsi/zfcp_dbf.c95
-rw-r--r--drivers/s390/scsi/zfcp_dbf.h25
-rw-r--r--drivers/s390/scsi/zfcp_erp.c5
-rw-r--r--drivers/s390/scsi/zfcp_ext.h1
-rw-r--r--drivers/s390/scsi/zfcp_fc.c52
-rw-r--r--drivers/s390/scsi/zfcp_fc.h25
-rw-r--r--drivers/s390/scsi/zfcp_fsf.c35
-rw-r--r--drivers/s390/scsi/zfcp_fsf.h12
-rw-r--r--drivers/s390/scsi/zfcp_qdio.c2
-rw-r--r--drivers/s390/scsi/zfcp_qdio.h17
-rw-r--r--drivers/s390/scsi/zfcp_scsi.c18
-rw-r--r--drivers/scsi/53c700.c23
-rw-r--r--drivers/scsi/NCR5380.c4
-rw-r--r--drivers/scsi/a2091.c17
-rw-r--r--drivers/scsi/a3000.c17
-rw-r--r--drivers/scsi/aacraid/aachba.c325
-rw-r--r--drivers/scsi/aacraid/aacraid.h1
-rw-r--r--drivers/scsi/aacraid/comminit.c6
-rw-r--r--drivers/scsi/aacraid/commsup.c3
-rw-r--r--drivers/scsi/aacraid/linit.c320
-rw-r--r--drivers/scsi/aha152x.c13
-rw-r--r--drivers/scsi/aha1542.c2
-rw-r--r--drivers/scsi/aic7xxx/Makefile6
-rw-r--r--drivers/scsi/aic7xxx/aic79xx_reg.h_shipped1251
-rw-r--r--drivers/scsi/aic7xxx/aic79xx_reg_print.c_shipped34
-rw-r--r--drivers/scsi/aic7xxx/aic7xxx_core.c1
-rw-r--r--drivers/scsi/aic7xxx/aic7xxx_osm.c5
-rw-r--r--drivers/scsi/aic7xxx/aic7xxx_osm.h1
-rw-r--r--drivers/scsi/aic7xxx/aic7xxx_reg.h_shipped44
-rw-r--r--drivers/scsi/aic94xx/aic94xx_init.c6
-rw-r--r--drivers/scsi/arcmsr/arcmsr_attr.c6
-rw-r--r--drivers/scsi/arm/acornscsi.c11
-rw-r--r--drivers/scsi/arm/cumana_1.c2
-rw-r--r--drivers/scsi/arm/oak.c2
-rw-r--r--drivers/scsi/atari_scsi.c6
-rw-r--r--drivers/scsi/be2iscsi/be_iscsi.c6
-rw-r--r--drivers/scsi/be2iscsi/be_main.c6
-rw-r--r--drivers/scsi/be2iscsi/be_main.h2
-rw-r--r--drivers/scsi/bfa/bfad_im.c37
-rw-r--r--drivers/scsi/bnx2fc/bnx2fc.h1
-rw-r--r--drivers/scsi/ch.c22
-rw-r--r--drivers/scsi/csiostor/csio_hw.h2
-rw-r--r--drivers/scsi/csiostor/csio_init.c11
-rw-r--r--drivers/scsi/csiostor/csio_scsi.c6
-rw-r--r--drivers/scsi/cxgbi/libcxgbi.c27
-rw-r--r--drivers/scsi/cxlflash/main.c3
-rw-r--r--drivers/scsi/cxlflash/superpipe.c14
-rw-r--r--drivers/scsi/cxlflash/vlun.c6
-rw-r--r--drivers/scsi/dmx3191d.c2
-rw-r--r--drivers/scsi/dpt_i2o.c5
-rw-r--r--drivers/scsi/eata.c9
-rw-r--r--drivers/scsi/esas2r/esas2r_main.c2
-rw-r--r--drivers/scsi/esp_scsi.c53
-rw-r--r--drivers/scsi/esp_scsi.h1
-rw-r--r--drivers/scsi/fcoe/fcoe_sysfs.c4
-rw-r--r--drivers/scsi/fdomain.c6
-rw-r--r--drivers/scsi/fdomain.h2
-rw-r--r--drivers/scsi/fnic/fnic.h2
-rw-r--r--drivers/scsi/fnic/fnic_scsi.c4
-rw-r--r--drivers/scsi/g_NCR5380.c283
-rw-r--r--drivers/scsi/gdth.c2
-rw-r--r--drivers/scsi/gdth_proc.c2
-rw-r--r--drivers/scsi/gvp11.c18
-rw-r--r--drivers/scsi/hisi_sas/hisi_sas.h18
-rw-r--r--drivers/scsi/hisi_sas/hisi_sas_main.c198
-rw-r--r--drivers/scsi/hisi_sas/hisi_sas_v2_hw.c605
-rw-r--r--drivers/scsi/hisi_sas/hisi_sas_v3_hw.c237
-rw-r--r--drivers/scsi/hpsa.c117
-rw-r--r--drivers/scsi/hpsa.h81
-rw-r--r--drivers/scsi/hptiop.c11
-rw-r--r--drivers/scsi/ibmvscsi/ibmvfc.c8
-rw-r--r--drivers/scsi/ibmvscsi/ibmvscsi.c2
-rw-r--r--drivers/scsi/ibmvscsi_tgt/ibmvscsi_tgt.c2
-rw-r--r--drivers/scsi/imm.c1
-rw-r--r--drivers/scsi/isci/init.c2
-rw-r--r--drivers/scsi/iscsi_tcp.c2
-rw-r--r--drivers/scsi/libfc/fc_fcp.c2
-rw-r--r--drivers/scsi/libiscsi.c2
-rw-r--r--drivers/scsi/libsas/Kconfig1
-rw-r--r--drivers/scsi/libsas/sas_ata.c1
-rw-r--r--drivers/scsi/libsas/sas_expander.c70
-rw-r--r--drivers/scsi/libsas/sas_host_smp.c106
-rw-r--r--drivers/scsi/libsas/sas_internal.h12
-rw-r--r--drivers/scsi/libsas/sas_scsi_host.c15
-rw-r--r--drivers/scsi/lpfc/lpfc.h19
-rw-r--r--drivers/scsi/lpfc/lpfc_attr.c52
-rw-r--r--drivers/scsi/lpfc/lpfc_attr.h10
-rw-r--r--drivers/scsi/lpfc/lpfc_bsg.c9
-rw-r--r--drivers/scsi/lpfc/lpfc_crtn.h5
-rw-r--r--drivers/scsi/lpfc/lpfc_ct.c4
-rw-r--r--drivers/scsi/lpfc/lpfc_debugfs.c11
-rw-r--r--drivers/scsi/lpfc/lpfc_debugfs.h6
-rw-r--r--drivers/scsi/lpfc/lpfc_disc.h1
-rw-r--r--drivers/scsi/lpfc/lpfc_els.c93
-rw-r--r--drivers/scsi/lpfc/lpfc_hbadisc.c12
-rw-r--r--drivers/scsi/lpfc/lpfc_hw.h18
-rw-r--r--drivers/scsi/lpfc/lpfc_hw4.h23
-rw-r--r--drivers/scsi/lpfc/lpfc_init.c73
-rw-r--r--drivers/scsi/lpfc/lpfc_mbox.c35
-rw-r--r--drivers/scsi/lpfc/lpfc_mem.c90
-rw-r--r--drivers/scsi/lpfc/lpfc_nportdisc.c25
-rw-r--r--drivers/scsi/lpfc/lpfc_nvme.c31
-rw-r--r--drivers/scsi/lpfc/lpfc_nvmet.c279
-rw-r--r--drivers/scsi/lpfc/lpfc_nvmet.h14
-rw-r--r--drivers/scsi/lpfc/lpfc_scsi.c12
-rw-r--r--drivers/scsi/lpfc/lpfc_sli.c62
-rw-r--r--drivers/scsi/lpfc/lpfc_sli4.h23
-rw-r--r--drivers/scsi/lpfc/lpfc_version.h2
-rw-r--r--drivers/scsi/mac53c94.c13
-rw-r--r--drivers/scsi/mac_esp.c37
-rw-r--r--drivers/scsi/mac_scsi.c4
-rw-r--r--drivers/scsi/megaraid.c6
-rw-r--r--drivers/scsi/megaraid/megaraid_mbox.c32
-rw-r--r--drivers/scsi/megaraid/megaraid_mm.c29
-rw-r--r--drivers/scsi/megaraid/megaraid_sas.h5
-rw-r--r--drivers/scsi/megaraid/megaraid_sas_base.c110
-rw-r--r--drivers/scsi/megaraid/megaraid_sas_fp.c40
-rw-r--r--drivers/scsi/megaraid/megaraid_sas_fusion.c216
-rw-r--r--drivers/scsi/mpt3sas/mpt3sas_base.c85
-rw-r--r--drivers/scsi/mpt3sas/mpt3sas_base.h2
-rw-r--r--drivers/scsi/mpt3sas/mpt3sas_transport.c230
-rw-r--r--drivers/scsi/mvme147.c16
-rw-r--r--drivers/scsi/mvsas/mv_init.c12
-rw-r--r--drivers/scsi/mvsas/mv_sas.c6
-rw-r--r--drivers/scsi/nsp32.c22
-rw-r--r--drivers/scsi/osst.c8
-rw-r--r--drivers/scsi/pcmcia/fdomain_stub.c2
-rw-r--r--drivers/scsi/pcmcia/qlogic_stub.c4
-rw-r--r--drivers/scsi/pm8001/pm8001_init.c7
-rw-r--r--drivers/scsi/pmcraid.c17
-rw-r--r--drivers/scsi/pmcraid.h2
-rw-r--r--drivers/scsi/ppa.c1
-rw-r--r--drivers/scsi/qedf/qedf.h2
-rw-r--r--drivers/scsi/qedf/qedf_fip.c35
-rw-r--r--drivers/scsi/qedf/qedf_main.c113
-rw-r--r--drivers/scsi/qedf/qedf_version.h6
-rw-r--r--drivers/scsi/qedi/qedi.h5
-rw-r--r--drivers/scsi/qedi/qedi_iscsi.c2
-rw-r--r--drivers/scsi/qedi/qedi_main.c12
-rw-r--r--drivers/scsi/qla2xxx/qla_attr.c86
-rw-r--r--drivers/scsi/qla2xxx/qla_dbg.c10
-rw-r--r--drivers/scsi/qla2xxx/qla_def.h118
-rw-r--r--drivers/scsi/qla2xxx/qla_fw.h28
-rw-r--r--drivers/scsi/qla2xxx/qla_gbl.h22
-rw-r--r--drivers/scsi/qla2xxx/qla_gs.c18
-rw-r--r--drivers/scsi/qla2xxx/qla_init.c183
-rw-r--r--drivers/scsi/qla2xxx/qla_iocb.c55
-rw-r--r--drivers/scsi/qla2xxx/qla_isr.c78
-rw-r--r--drivers/scsi/qla2xxx/qla_mbx.c263
-rw-r--r--drivers/scsi/qla2xxx/qla_mid.c14
-rw-r--r--drivers/scsi/qla2xxx/qla_mr.c7
-rw-r--r--drivers/scsi/qla2xxx/qla_nvme.c161
-rw-r--r--drivers/scsi/qla2xxx/qla_nvme.h17
-rw-r--r--drivers/scsi/qla2xxx/qla_os.c155
-rw-r--r--drivers/scsi/qla2xxx/qla_target.c29
-rw-r--r--drivers/scsi/qla2xxx/qla_target.h2
-rw-r--r--drivers/scsi/qla2xxx/qla_tmpl.c19
-rw-r--r--drivers/scsi/qla2xxx/qla_version.h2
-rw-r--r--drivers/scsi/qlogicfas.c2
-rw-r--r--drivers/scsi/qlogicfas408.c6
-rw-r--r--drivers/scsi/qlogicfas408.h2
-rw-r--r--drivers/scsi/qlogicpti.c2
-rw-r--r--drivers/scsi/scsi.c140
-rw-r--r--drivers/scsi/scsi_debug.c3
-rw-r--r--drivers/scsi/scsi_debugfs.c4
-rw-r--r--drivers/scsi/scsi_error.c10
-rw-r--r--drivers/scsi/scsi_ioctl.c4
-rw-r--r--drivers/scsi/scsi_lib.c131
-rw-r--r--drivers/scsi/scsi_priv.h2
-rw-r--r--drivers/scsi/scsi_scan.c2
-rw-r--r--drivers/scsi/scsi_sysfs.c33
-rw-r--r--drivers/scsi/scsi_transport_fc.c37
-rw-r--r--drivers/scsi/scsi_transport_iscsi.c6
-rw-r--r--drivers/scsi/scsi_transport_sas.c121
-rw-r--r--drivers/scsi/scsi_transport_srp.c7
-rw-r--r--drivers/scsi/sd.c7
-rw-r--r--drivers/scsi/ses.c62
-rw-r--r--drivers/scsi/sg.c22
-rw-r--r--drivers/scsi/sgiwd93.c15
-rw-r--r--drivers/scsi/smartpqi/smartpqi.h44
-rw-r--r--drivers/scsi/smartpqi/smartpqi_init.c145
-rw-r--r--drivers/scsi/smartpqi/smartpqi_sas_transport.c9
-rw-r--r--drivers/scsi/smartpqi/smartpqi_sis.c111
-rw-r--r--drivers/scsi/smartpqi/smartpqi_sis.h4
-rw-r--r--drivers/scsi/sr.c2
-rw-r--r--drivers/scsi/storvsc_drv.c2
-rw-r--r--drivers/scsi/sun3_scsi.c4
-rw-r--r--drivers/scsi/sym53c8xx_2/sym_hipd.c2
-rw-r--r--drivers/scsi/ufs/ufshcd.c2
-rw-r--r--drivers/scsi/virtio_scsi.c4
-rw-r--r--drivers/scsi/wd33c93.c2
-rw-r--r--drivers/staging/rts5208/rtsx.c11
-rw-r--r--drivers/staging/unisys/visorhba/visorhba_main.c126
-rw-r--r--drivers/usb/storage/uas.c4
-rw-r--r--drivers/virtio/virtio_ring.c5
206 files changed, 4751 insertions, 12007 deletions
diff --git a/drivers/block/Kconfig b/drivers/block/Kconfig
index 104180e3c55e..4a438b8abe27 100644
--- a/drivers/block/Kconfig
+++ b/drivers/block/Kconfig
@@ -112,33 +112,6 @@ source "drivers/block/mtip32xx/Kconfig"
source "drivers/block/zram/Kconfig"
-config BLK_CPQ_CISS_DA
- tristate "Compaq Smart Array 5xxx support"
- depends on PCI
- select CHECK_SIGNATURE
- select BLK_SCSI_REQUEST
- help
- This is the driver for Compaq Smart Array 5xxx controllers.
- Everyone using these boards should say Y here.
- See <file:Documentation/blockdev/cciss.txt> for the current list of
- boards supported by this driver, and for further information
- on the use of this driver.
-
-config CISS_SCSI_TAPE
- bool "SCSI tape drive support for Smart Array 5xxx"
- depends on BLK_CPQ_CISS_DA && PROC_FS
- depends on SCSI=y || SCSI=BLK_CPQ_CISS_DA
- help
- When enabled (Y), this option allows SCSI tape drives and SCSI medium
- changers (tape robots) to be accessed via a Compaq 5xxx array
- controller. (See <file:Documentation/blockdev/cciss.txt> for more details.)
-
- "SCSI support" and "SCSI tape support" must also be enabled for this
- option to work.
-
- When this option is disabled (N), the SCSI portion of the driver
- is not compiled.
-
config BLK_DEV_DAC960
tristate "Mylex DAC960/DAC1100 PCI RAID Controller support"
depends on PCI
diff --git a/drivers/block/Makefile b/drivers/block/Makefile
index ec8c36897b75..1f456d86a190 100644
--- a/drivers/block/Makefile
+++ b/drivers/block/Makefile
@@ -15,7 +15,6 @@ obj-$(CONFIG_ATARI_FLOPPY) += ataflop.o
obj-$(CONFIG_AMIGA_Z2RAM) += z2ram.o
obj-$(CONFIG_BLK_DEV_RAM) += brd.o
obj-$(CONFIG_BLK_DEV_LOOP) += loop.o
-obj-$(CONFIG_BLK_CPQ_CISS_DA) += cciss.o
obj-$(CONFIG_BLK_DEV_DAC960) += DAC960.o
obj-$(CONFIG_XILINX_SYSACE) += xsysace.o
obj-$(CONFIG_CDROM_PKTCDVD) += pktcdvd.o
diff --git a/drivers/block/cciss.c b/drivers/block/cciss.c
deleted file mode 100644
index 678af946be30..000000000000
--- a/drivers/block/cciss.c
+++ /dev/null
@@ -1,5415 +0,0 @@
-/*
- * Disk Array driver for HP Smart Array controllers.
- * (C) Copyright 2000, 2007 Hewlett-Packard Development Company, L.P.
- *
- * 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; version 2 of the License.
- *
- * 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, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
- * 02111-1307, USA.
- *
- * Questions/Comments/Bugfixes to iss_storagedev@hp.com
- *
- */
-
-#include <linux/module.h>
-#include <linux/interrupt.h>
-#include <linux/types.h>
-#include <linux/pci.h>
-#include <linux/pci-aspm.h>
-#include <linux/kernel.h>
-#include <linux/slab.h>
-#include <linux/delay.h>
-#include <linux/major.h>
-#include <linux/fs.h>
-#include <linux/bio.h>
-#include <linux/blkpg.h>
-#include <linux/timer.h>
-#include <linux/proc_fs.h>
-#include <linux/seq_file.h>
-#include <linux/init.h>
-#include <linux/jiffies.h>
-#include <linux/hdreg.h>
-#include <linux/spinlock.h>
-#include <linux/compat.h>
-#include <linux/mutex.h>
-#include <linux/bitmap.h>
-#include <linux/io.h>
-#include <linux/uaccess.h>
-
-#include <linux/dma-mapping.h>
-#include <linux/blkdev.h>
-#include <linux/genhd.h>
-#include <linux/completion.h>
-#include <scsi/scsi.h>
-#include <scsi/sg.h>
-#include <scsi/scsi_ioctl.h>
-#include <scsi/scsi_request.h>
-#include <linux/cdrom.h>
-#include <linux/scatterlist.h>
-#include <linux/kthread.h>
-
-#define CCISS_DRIVER_VERSION(maj,min,submin) ((maj<<16)|(min<<8)|(submin))
-#define DRIVER_NAME "HP CISS Driver (v 3.6.26)"
-#define DRIVER_VERSION CCISS_DRIVER_VERSION(3, 6, 26)
-
-/* Embedded module documentation macros - see modules.h */
-MODULE_AUTHOR("Hewlett-Packard Company");
-MODULE_DESCRIPTION("Driver for HP Smart Array Controllers");
-MODULE_SUPPORTED_DEVICE("HP Smart Array Controllers");
-MODULE_VERSION("3.6.26");
-MODULE_LICENSE("GPL");
-static int cciss_tape_cmds = 6;
-module_param(cciss_tape_cmds, int, 0644);
-MODULE_PARM_DESC(cciss_tape_cmds,
- "number of commands to allocate for tape devices (default: 6)");
-static int cciss_simple_mode;
-module_param(cciss_simple_mode, int, S_IRUGO|S_IWUSR);
-MODULE_PARM_DESC(cciss_simple_mode,
- "Use 'simple mode' rather than 'performant mode'");
-
-static int cciss_allow_hpsa;
-module_param(cciss_allow_hpsa, int, S_IRUGO|S_IWUSR);
-MODULE_PARM_DESC(cciss_allow_hpsa,
- "Prevent cciss driver from accessing hardware known to be "
- " supported by the hpsa driver");
-
-static DEFINE_MUTEX(cciss_mutex);
-static struct proc_dir_entry *proc_cciss;
-
-#include "cciss_cmd.h"
-#include "cciss.h"
-#include <linux/cciss_ioctl.h>
-
-/* define the PCI info for the cards we can control */
-static const struct pci_device_id cciss_pci_device_id[] = {
- {PCI_VENDOR_ID_COMPAQ, PCI_DEVICE_ID_COMPAQ_CISS, 0x0E11, 0x4070},
- {PCI_VENDOR_ID_COMPAQ, PCI_DEVICE_ID_COMPAQ_CISSB, 0x0E11, 0x4080},
- {PCI_VENDOR_ID_COMPAQ, PCI_DEVICE_ID_COMPAQ_CISSB, 0x0E11, 0x4082},
- {PCI_VENDOR_ID_COMPAQ, PCI_DEVICE_ID_COMPAQ_CISSB, 0x0E11, 0x4083},
- {PCI_VENDOR_ID_COMPAQ, PCI_DEVICE_ID_COMPAQ_CISSC, 0x0E11, 0x4091},
- {PCI_VENDOR_ID_COMPAQ, PCI_DEVICE_ID_COMPAQ_CISSC, 0x0E11, 0x409A},
- {PCI_VENDOR_ID_COMPAQ, PCI_DEVICE_ID_COMPAQ_CISSC, 0x0E11, 0x409B},
- {PCI_VENDOR_ID_COMPAQ, PCI_DEVICE_ID_COMPAQ_CISSC, 0x0E11, 0x409C},
- {PCI_VENDOR_ID_COMPAQ, PCI_DEVICE_ID_COMPAQ_CISSC, 0x0E11, 0x409D},
- {PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_CISSA, 0x103C, 0x3225},
- {PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_CISSC, 0x103C, 0x3223},
- {PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_CISSC, 0x103C, 0x3234},
- {PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_CISSC, 0x103C, 0x3235},
- {PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_CISSD, 0x103C, 0x3211},
- {PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_CISSD, 0x103C, 0x3212},
- {PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_CISSD, 0x103C, 0x3213},
- {PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_CISSD, 0x103C, 0x3214},
- {PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_CISSD, 0x103C, 0x3215},
- {PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_CISSC, 0x103C, 0x3237},
- {PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_CISSC, 0x103C, 0x323D},
- {0,}
-};
-
-MODULE_DEVICE_TABLE(pci, cciss_pci_device_id);
-
-/* board_id = Subsystem Device ID & Vendor ID
- * product = Marketing Name for the board
- * access = Address of the struct of function pointers
- */
-static struct board_type products[] = {
- {0x40700E11, "Smart Array 5300", &SA5_access},
- {0x40800E11, "Smart Array 5i", &SA5B_access},
- {0x40820E11, "Smart Array 532", &SA5B_access},
- {0x40830E11, "Smart Array 5312", &SA5B_access},
- {0x409A0E11, "Smart Array 641", &SA5_access},
- {0x409B0E11, "Smart Array 642", &SA5_access},
- {0x409C0E11, "Smart Array 6400", &SA5_access},
- {0x409D0E11, "Smart Array 6400 EM", &SA5_access},
- {0x40910E11, "Smart Array 6i", &SA5_access},
- {0x3225103C, "Smart Array P600", &SA5_access},
- {0x3223103C, "Smart Array P800", &SA5_access},
- {0x3234103C, "Smart Array P400", &SA5_access},
- {0x3235103C, "Smart Array P400i", &SA5_access},
- {0x3211103C, "Smart Array E200i", &SA5_access},
- {0x3212103C, "Smart Array E200", &SA5_access},
- {0x3213103C, "Smart Array E200i", &SA5_access},
- {0x3214103C, "Smart Array E200i", &SA5_access},
- {0x3215103C, "Smart Array E200i", &SA5_access},
- {0x3237103C, "Smart Array E500", &SA5_access},
- {0x323D103C, "Smart Array P700m", &SA5_access},
-};
-
-/* How long to wait (in milliseconds) for board to go into simple mode */
-#define MAX_CONFIG_WAIT 30000
-#define MAX_IOCTL_CONFIG_WAIT 1000
-
-/*define how many times we will try a command because of bus resets */
-#define MAX_CMD_RETRIES 3
-
-#define MAX_CTLR 32
-
-/* Originally cciss driver only supports 8 major numbers */
-#define MAX_CTLR_ORIG 8
-
-static ctlr_info_t *hba[MAX_CTLR];
-
-static struct task_struct *cciss_scan_thread;
-static DEFINE_MUTEX(scan_mutex);
-static LIST_HEAD(scan_q);
-
-static void do_cciss_request(struct request_queue *q);
-static irqreturn_t do_cciss_intx(int irq, void *dev_id);
-static irqreturn_t do_cciss_msix_intr(int irq, void *dev_id);
-static int cciss_open(struct block_device *bdev, fmode_t mode);
-static int cciss_unlocked_open(struct block_device *bdev, fmode_t mode);
-static void cciss_release(struct gendisk *disk, fmode_t mode);
-static int cciss_ioctl(struct block_device *bdev, fmode_t mode,
- unsigned int cmd, unsigned long arg);
-static int cciss_getgeo(struct block_device *bdev, struct hd_geometry *geo);
-
-static int cciss_revalidate(struct gendisk *disk);
-static int rebuild_lun_table(ctlr_info_t *h, int first_time, int via_ioctl);
-static int deregister_disk(ctlr_info_t *h, int drv_index,
- int clear_all, int via_ioctl);
-
-static void cciss_read_capacity(ctlr_info_t *h, int logvol,
- sector_t *total_size, unsigned int *block_size);
-static void cciss_read_capacity_16(ctlr_info_t *h, int logvol,
- sector_t *total_size, unsigned int *block_size);
-static void cciss_geometry_inquiry(ctlr_info_t *h, int logvol,
- sector_t total_size,
- unsigned int block_size, InquiryData_struct *inq_buff,
- drive_info_struct *drv);
-static void cciss_interrupt_mode(ctlr_info_t *);
-static int cciss_enter_simple_mode(struct ctlr_info *h);
-static void start_io(ctlr_info_t *h);
-static int sendcmd_withirq(ctlr_info_t *h, __u8 cmd, void *buff, size_t size,
- __u8 page_code, unsigned char scsi3addr[],
- int cmd_type);
-static int sendcmd_withirq_core(ctlr_info_t *h, CommandList_struct *c,
- int attempt_retry);
-static int process_sendcmd_error(ctlr_info_t *h, CommandList_struct *c);
-
-static int add_to_scan_list(struct ctlr_info *h);
-static int scan_thread(void *data);
-static int check_for_unit_attention(ctlr_info_t *h, CommandList_struct *c);
-static void cciss_hba_release(struct device *dev);
-static void cciss_device_release(struct device *dev);
-static void cciss_free_gendisk(ctlr_info_t *h, int drv_index);
-static void cciss_free_drive_info(ctlr_info_t *h, int drv_index);
-static inline u32 next_command(ctlr_info_t *h);
-static int cciss_find_cfg_addrs(struct pci_dev *pdev, void __iomem *vaddr,
- u32 *cfg_base_addr, u64 *cfg_base_addr_index,
- u64 *cfg_offset);
-static int cciss_pci_find_memory_BAR(struct pci_dev *pdev,
- unsigned long *memory_bar);
-static inline u32 cciss_tag_discard_error_bits(ctlr_info_t *h, u32 tag);
-static int write_driver_ver_to_cfgtable(CfgTable_struct __iomem *cfgtable);
-
-/* performant mode helper functions */
-static void calc_bucket_map(int *bucket, int num_buckets, int nsgs,
- int *bucket_map);
-static void cciss_put_controller_into_performant_mode(ctlr_info_t *h);
-
-#ifdef CONFIG_PROC_FS
-static void cciss_procinit(ctlr_info_t *h);
-#else
-static void cciss_procinit(ctlr_info_t *h)
-{
-}
-#endif /* CONFIG_PROC_FS */
-
-#ifdef CONFIG_COMPAT
-static int cciss_compat_ioctl(struct block_device *, fmode_t,
- unsigned, unsigned long);
-#endif
-
-static const struct block_device_operations cciss_fops = {
- .owner = THIS_MODULE,
- .open = cciss_unlocked_open,
- .release = cciss_release,
- .ioctl = cciss_ioctl,
- .getgeo = cciss_getgeo,
-#ifdef CONFIG_COMPAT
- .compat_ioctl = cciss_compat_ioctl,
-#endif
- .revalidate_disk = cciss_revalidate,
-};
-
-/* set_performant_mode: Modify the tag for cciss performant
- * set bit 0 for pull model, bits 3-1 for block fetch
- * register number
- */
-static void set_performant_mode(ctlr_info_t *h, CommandList_struct *c)
-{
- if (likely(h->transMethod & CFGTBL_Trans_Performant))
- c->busaddr |= 1 | (h->blockFetchTable[c->Header.SGList] << 1);
-}
-
-/*
- * Enqueuing and dequeuing functions for cmdlists.
- */
-static inline void addQ(struct list_head *list, CommandList_struct *c)
-{
- list_add_tail(&c->list, list);
-}
-
-static inline void removeQ(CommandList_struct *c)
-{
- /*
- * After kexec/dump some commands might still
- * be in flight, which the firmware will try
- * to complete. Resetting the firmware doesn't work
- * with old fw revisions, so we have to mark
- * them off as 'stale' to prevent the driver from
- * falling over.
- */
- if (WARN_ON(list_empty(&c->list))) {
- c->cmd_type = CMD_MSG_STALE;
- return;
- }
-
- list_del_init(&c->list);
-}
-
-static void enqueue_cmd_and_start_io(ctlr_info_t *h,
- CommandList_struct *c)
-{
- unsigned long flags;
- set_performant_mode(h, c);
- spin_lock_irqsave(&h->lock, flags);
- addQ(&h->reqQ, c);
- h->Qdepth++;
- if (h->Qdepth > h->maxQsinceinit)
- h->maxQsinceinit = h->Qdepth;
- start_io(h);
- spin_unlock_irqrestore(&h->lock, flags);
-}
-
-static void cciss_free_sg_chain_blocks(SGDescriptor_struct **cmd_sg_list,
- int nr_cmds)
-{
- int i;
-
- if (!cmd_sg_list)
- return;
- for (i = 0; i < nr_cmds; i++) {
- kfree(cmd_sg_list[i]);
- cmd_sg_list[i] = NULL;
- }
- kfree(cmd_sg_list);
-}
-
-static SGDescriptor_struct **cciss_allocate_sg_chain_blocks(
- ctlr_info_t *h, int chainsize, int nr_cmds)
-{
- int j;
- SGDescriptor_struct **cmd_sg_list;
-
- if (chainsize <= 0)
- return NULL;
-
- cmd_sg_list = kmalloc(sizeof(*cmd_sg_list) * nr_cmds, GFP_KERNEL);
- if (!cmd_sg_list)
- return NULL;
-
- /* Build up chain blocks for each command */
- for (j = 0; j < nr_cmds; j++) {
- /* Need a block of chainsized s/g elements. */
- cmd_sg_list[j] = kmalloc((chainsize *
- sizeof(*cmd_sg_list[j])), GFP_KERNEL);
- if (!cmd_sg_list[j]) {
- dev_err(&h->pdev->dev, "Cannot get memory "
- "for s/g chains.\n");
- goto clean;
- }
- }
- return cmd_sg_list;
-clean:
- cciss_free_sg_chain_blocks(cmd_sg_list, nr_cmds);
- return NULL;
-}
-
-static void cciss_unmap_sg_chain_block(ctlr_info_t *h, CommandList_struct *c)
-{
- SGDescriptor_struct *chain_sg;
- u64bit temp64;
-
- if (c->Header.SGTotal <= h->max_cmd_sgentries)
- return;
-
- chain_sg = &c->SG[h->max_cmd_sgentries - 1];
- temp64.val32.lower = chain_sg->Addr.lower;
- temp64.val32.upper = chain_sg->Addr.upper;
- pci_unmap_single(h->pdev, temp64.val, chain_sg->Len, PCI_DMA_TODEVICE);
-}
-
-static int cciss_map_sg_chain_block(ctlr_info_t *h, CommandList_struct *c,
- SGDescriptor_struct *chain_block, int len)
-{
- SGDescriptor_struct *chain_sg;
- u64bit temp64;
-
- chain_sg = &c->SG[h->max_cmd_sgentries - 1];
- chain_sg->Ext = CCISS_SG_CHAIN;
- chain_sg->Len = len;
- temp64.val = pci_map_single(h->pdev, chain_block, len,
- PCI_DMA_TODEVICE);
- if (dma_mapping_error(&h->pdev->dev, temp64.val)) {
- dev_warn(&h->pdev->dev,
- "%s: error mapping chain block for DMA\n",
- __func__);
- return -1;
- }
- chain_sg->Addr.lower = temp64.val32.lower;
- chain_sg->Addr.upper = temp64.val32.upper;
-
- return 0;
-}
-
-#include "cciss_scsi.c" /* For SCSI tape support */
-
-static const char *raid_label[] = { "0", "4", "1(1+0)", "5", "5+1", "ADG",
- "UNKNOWN"
-};
-#define RAID_UNKNOWN (ARRAY_SIZE(raid_label)-1)
-
-#ifdef CONFIG_PROC_FS
-
-/*
- * Report information about this controller.
- */
-#define ENG_GIG 1000000000
-#define ENG_GIG_FACTOR (ENG_GIG/512)
-#define ENGAGE_SCSI "engage scsi"
-
-static void cciss_seq_show_header(struct seq_file *seq)
-{
- ctlr_info_t *h = seq->private;
-
- seq_printf(seq, "%s: HP %s Controller\n"
- "Board ID: 0x%08lx\n"
- "Firmware Version: %c%c%c%c\n"
- "IRQ: %d\n"
- "Logical drives: %d\n"
- "Current Q depth: %d\n"
- "Current # commands on controller: %d\n"
- "Max Q depth since init: %d\n"
- "Max # commands on controller since init: %d\n"
- "Max SG entries since init: %d\n",
- h->devname,
- h->product_name,
- (unsigned long)h->board_id,
- h->firm_ver[0], h->firm_ver[1], h->firm_ver[2],
- h->firm_ver[3], (unsigned int)h->intr[h->intr_mode],
- h->num_luns,
- h->Qdepth, h->commands_outstanding,
- h->maxQsinceinit, h->max_outstanding, h->maxSG);
-
-#ifdef CONFIG_CISS_SCSI_TAPE
- cciss_seq_tape_report(seq, h);
-#endif /* CONFIG_CISS_SCSI_TAPE */
-}
-
-static void *cciss_seq_start(struct seq_file *seq, loff_t *pos)
-{
- ctlr_info_t *h = seq->private;
- unsigned long flags;
-
- /* prevent displaying bogus info during configuration
- * or deconfiguration of a logical volume
- */
- spin_lock_irqsave(&h->lock, flags);
- if (h->busy_configuring) {
- spin_unlock_irqrestore(&h->lock, flags);
- return ERR_PTR(-EBUSY);
- }
- h->busy_configuring = 1;
- spin_unlock_irqrestore(&h->lock, flags);
-
- if (*pos == 0)
- cciss_seq_show_header(seq);
-
- return pos;
-}
-
-static int cciss_seq_show(struct seq_file *seq, void *v)
-{
- sector_t vol_sz, vol_sz_frac;
- ctlr_info_t *h = seq->private;
- unsigned ctlr = h->ctlr;
- loff_t *pos = v;
- drive_info_struct *drv = h->drv[*pos];
-
- if (*pos > h->highest_lun)
- return 0;
-
- if (drv == NULL) /* it's possible for h->drv[] to have holes. */
- return 0;
-
- if (drv->heads == 0)
- return 0;
-
- vol_sz = drv->nr_blocks;
- vol_sz_frac = sector_div(vol_sz, ENG_GIG_FACTOR);
- vol_sz_frac *= 100;
- sector_div(vol_sz_frac, ENG_GIG_FACTOR);
-
- if (drv->raid_level < 0 || drv->raid_level > RAID_UNKNOWN)
- drv->raid_level = RAID_UNKNOWN;
- seq_printf(seq, "cciss/c%dd%d:"
- "\t%4u.%02uGB\tRAID %s\n",
- ctlr, (int) *pos, (int)vol_sz, (int)vol_sz_frac,
- raid_label[drv->raid_level]);
- return 0;
-}
-
-static void *cciss_seq_next(struct seq_file *seq, void *v, loff_t *pos)
-{
- ctlr_info_t *h = seq->private;
-
- if (*pos > h->highest_lun)
- return NULL;
- *pos += 1;
-
- return pos;
-}
-
-static void cciss_seq_stop(struct seq_file *seq, void *v)
-{
- ctlr_info_t *h = seq->private;
-
- /* Only reset h->busy_configuring if we succeeded in setting
- * it during cciss_seq_start. */
- if (v == ERR_PTR(-EBUSY))
- return;
-
- h->busy_configuring = 0;
-}
-
-static const struct seq_operations cciss_seq_ops = {
- .start = cciss_seq_start,
- .show = cciss_seq_show,
- .next = cciss_seq_next,
- .stop = cciss_seq_stop,
-};
-
-static int cciss_seq_open(struct inode *inode, struct file *file)
-{
- int ret = seq_open(file, &cciss_seq_ops);
- struct seq_file *seq = file->private_data;
-
- if (!ret)
- seq->private = PDE_DATA(inode);
-
- return ret;
-}
-
-static ssize_t
-cciss_proc_write(struct file *file, const char __user *buf,
- size_t length, loff_t *ppos)
-{
- int err;
- char *buffer;
-
-#ifndef CONFIG_CISS_SCSI_TAPE
- return -EINVAL;
-#endif
-
- if (!buf || length > PAGE_SIZE - 1)
- return -EINVAL;
-
- buffer = memdup_user_nul(buf, length);
- if (IS_ERR(buffer))
- return PTR_ERR(buffer);
-
-#ifdef CONFIG_CISS_SCSI_TAPE
- if (strncmp(ENGAGE_SCSI, buffer, sizeof ENGAGE_SCSI - 1) == 0) {
- struct seq_file *seq = file->private_data;
- ctlr_info_t *h = seq->private;
-
- err = cciss_engage_scsi(h);
- if (err == 0)
- err = length;
- } else
-#endif /* CONFIG_CISS_SCSI_TAPE */
- err = -EINVAL;
- /* might be nice to have "disengage" too, but it's not
- safely possible. (only 1 module use count, lock issues.) */
-
- kfree(buffer);
- return err;
-}
-
-static const struct file_operations cciss_proc_fops = {
- .owner = THIS_MODULE,
- .open = cciss_seq_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = seq_release,
- .write = cciss_proc_write,
-};
-
-static void cciss_procinit(ctlr_info_t *h)
-{
- struct proc_dir_entry *pde;
-
- if (proc_cciss == NULL)
- proc_cciss = proc_mkdir("driver/cciss", NULL);
- if (!proc_cciss)
- return;
- pde = proc_create_data(h->devname, S_IWUSR | S_IRUSR | S_IRGRP |
- S_IROTH, proc_cciss,
- &cciss_proc_fops, h);
-}
-#endif /* CONFIG_PROC_FS */
-
-#define MAX_PRODUCT_NAME_LEN 19
-
-#define to_hba(n) container_of(n, struct ctlr_info, dev)
-#define to_drv(n) container_of(n, drive_info_struct, dev)
-
-/* List of controllers which cannot be hard reset on kexec with reset_devices */
-static u32 unresettable_controller[] = {
- 0x3223103C, /* Smart Array P800 */
- 0x3234103C, /* Smart Array P400 */
- 0x3235103C, /* Smart Array P400i */
- 0x3211103C, /* Smart Array E200i */
- 0x3212103C, /* Smart Array E200 */
- 0x3213103C, /* Smart Array E200i */
- 0x3214103C, /* Smart Array E200i */
- 0x3215103C, /* Smart Array E200i */
- 0x3237103C, /* Smart Array E500 */
- 0x323D103C, /* Smart Array P700m */
- 0x40800E11, /* Smart Array 5i */
- 0x409C0E11, /* Smart Array 6400 */
- 0x409D0E11, /* Smart Array 6400 EM */
- 0x40700E11, /* Smart Array 5300 */
- 0x40820E11, /* Smart Array 532 */
- 0x40830E11, /* Smart Array 5312 */
- 0x409A0E11, /* Smart Array 641 */
- 0x409B0E11, /* Smart Array 642 */
- 0x40910E11, /* Smart Array 6i */
-};
-
-/* List of controllers which cannot even be soft reset */
-static u32 soft_unresettable_controller[] = {
- 0x40800E11, /* Smart Array 5i */
- 0x40700E11, /* Smart Array 5300 */
- 0x40820E11, /* Smart Array 532 */
- 0x40830E11, /* Smart Array 5312 */
- 0x409A0E11, /* Smart Array 641 */
- 0x409B0E11, /* Smart Array 642 */
- 0x40910E11, /* Smart Array 6i */
- /* Exclude 640x boards. These are two pci devices in one slot
- * which share a battery backed cache module. One controls the
- * cache, the other accesses the cache through the one that controls
- * it. If we reset the one controlling the cache, the other will
- * likely not be happy. Just forbid resetting this conjoined mess.
- */
- 0x409C0E11, /* Smart Array 6400 */
- 0x409D0E11, /* Smart Array 6400 EM */
-};
-
-static int ctlr_is_hard_resettable(u32 board_id)
-{
- int i;
-
- for (i = 0; i < ARRAY_SIZE(unresettable_controller); i++)
- if (unresettable_controller[i] == board_id)
- return 0;
- return 1;
-}
-
-static int ctlr_is_soft_resettable(u32 board_id)
-{
- int i;
-
- for (i = 0; i < ARRAY_SIZE(soft_unresettable_controller); i++)
- if (soft_unresettable_controller[i] == board_id)
- return 0;
- return 1;
-}
-
-static int ctlr_is_resettable(u32 board_id)
-{
- return ctlr_is_hard_resettable(board_id) ||
- ctlr_is_soft_resettable(board_id);
-}
-
-static ssize_t host_show_resettable(struct device *dev,
- struct device_attribute *attr,
- char *buf)
-{
- struct ctlr_info *h = to_hba(dev);
-
- return snprintf(buf, 20, "%d\n", ctlr_is_resettable(h->board_id));
-}
-static DEVICE_ATTR(resettable, S_IRUGO, host_show_resettable, NULL);
-
-static ssize_t host_store_rescan(struct device *dev,
- struct device_attribute *attr,
- const char *buf, size_t count)
-{
- struct ctlr_info *h = to_hba(dev);
-
- add_to_scan_list(h);
- wake_up_process(cciss_scan_thread);
- wait_for_completion_interruptible(&h->scan_wait);
-
- return count;
-}
-static DEVICE_ATTR(rescan, S_IWUSR, NULL, host_store_rescan);
-
-static ssize_t host_show_transport_mode(struct device *dev,
- struct device_attribute *attr,
- char *buf)
-{
- struct ctlr_info *h = to_hba(dev);
-
- return snprintf(buf, 20, "%s\n",
- h->transMethod & CFGTBL_Trans_Performant ?
- "performant" : "simple");
-}
-static DEVICE_ATTR(transport_mode, S_IRUGO, host_show_transport_mode, NULL);
-
-static ssize_t dev_show_unique_id(struct device *dev,
- struct device_attribute *attr,
- char *buf)
-{
- drive_info_struct *drv = to_drv(dev);
- struct ctlr_info *h = to_hba(drv->dev.parent);
- __u8 sn[16];
- unsigned long flags;
- int ret = 0;
-
- spin_lock_irqsave(&h->lock, flags);
- if (h->busy_configuring)
- ret = -EBUSY;
- else
- memcpy(sn, drv->serial_no, sizeof(sn));
- spin_unlock_irqrestore(&h->lock, flags);
-
- if (ret)
- return ret;
- else
- return snprintf(buf, 16 * 2 + 2,
- "%02X%02X%02X%02X%02X%02X%02X%02X"
- "%02X%02X%02X%02X%02X%02X%02X%02X\n",
- sn[0], sn[1], sn[2], sn[3],
- sn[4], sn[5], sn[6], sn[7],
- sn[8], sn[9], sn[10], sn[11],
- sn[12], sn[13], sn[14], sn[15]);
-}
-static DEVICE_ATTR(unique_id, S_IRUGO, dev_show_unique_id, NULL);
-
-static ssize_t dev_show_vendor(struct device *dev,
- struct device_attribute *attr,
- char *buf)
-{
- drive_info_struct *drv = to_drv(dev);
- struct ctlr_info *h = to_hba(drv->dev.parent);
- char vendor[VENDOR_LEN + 1];
- unsigned long flags;
- int ret = 0;
-
- spin_lock_irqsave(&h->lock, flags);
- if (h->busy_configuring)
- ret = -EBUSY;
- else
- memcpy(vendor, drv->vendor, VENDOR_LEN + 1);
- spin_unlock_irqrestore(&h->lock, flags);
-
- if (ret)
- return ret;
- else
- return snprintf(buf, sizeof(vendor) + 1, "%s\n", drv->vendor);
-}
-static DEVICE_ATTR(vendor, S_IRUGO, dev_show_vendor, NULL);
-
-static ssize_t dev_show_model(struct device *dev,
- struct device_attribute *attr,
- char *buf)
-{
- drive_info_struct *drv = to_drv(dev);
- struct ctlr_info *h = to_hba(drv->dev.parent);
- char model[MODEL_LEN + 1];
- unsigned long flags;
- int ret = 0;
-
- spin_lock_irqsave(&h->lock, flags);
- if (h->busy_configuring)
- ret = -EBUSY;
- else
- memcpy(model, drv->model, MODEL_LEN + 1);
- spin_unlock_irqrestore(&h->lock, flags);
-
- if (ret)
- return ret;
- else
- return snprintf(buf, sizeof(model) + 1, "%s\n", drv->model);
-}
-static DEVICE_ATTR(model, S_IRUGO, dev_show_model, NULL);
-
-static ssize_t dev_show_rev(struct device *dev,
- struct device_attribute *attr,
- char *buf)
-{
- drive_info_struct *drv = to_drv(dev);
- struct ctlr_info *h = to_hba(drv->dev.parent);
- char rev[REV_LEN + 1];
- unsigned long flags;
- int ret = 0;
-
- spin_lock_irqsave(&h->lock, flags);
- if (h->busy_configuring)
- ret = -EBUSY;
- else
- memcpy(rev, drv->rev, REV_LEN + 1);
- spin_unlock_irqrestore(&h->lock, flags);
-
- if (ret)
- return ret;
- else
- return snprintf(buf, sizeof(rev) + 1, "%s\n", drv->rev);
-}
-static DEVICE_ATTR(rev, S_IRUGO, dev_show_rev, NULL);
-
-static ssize_t cciss_show_lunid(struct device *dev,
- struct device_attribute *attr, char *buf)
-{
- drive_info_struct *drv = to_drv(dev);
- struct ctlr_info *h = to_hba(drv->dev.parent);
- unsigned long flags;
- unsigned char lunid[8];
-
- spin_lock_irqsave(&h->lock, flags);
- if (h->busy_configuring) {
- spin_unlock_irqrestore(&h->lock, flags);
- return -EBUSY;
- }
- if (!drv->heads) {
- spin_unlock_irqrestore(&h->lock, flags);
- return -ENOTTY;
- }
- memcpy(lunid, drv->LunID, sizeof(lunid));
- spin_unlock_irqrestore(&h->lock, flags);
- return snprintf(buf, 20, "0x%02x%02x%02x%02x%02x%02x%02x%02x\n",
- lunid[0], lunid[1], lunid[2], lunid[3],
- lunid[4], lunid[5], lunid[6], lunid[7]);
-}
-static DEVICE_ATTR(lunid, S_IRUGO, cciss_show_lunid, NULL);
-
-static ssize_t cciss_show_raid_level(struct device *dev,
- struct device_attribute *attr, char *buf)
-{
- drive_info_struct *drv = to_drv(dev);
- struct ctlr_info *h = to_hba(drv->dev.parent);
- int raid;
- unsigned long flags;
-
- spin_lock_irqsave(&h->lock, flags);
- if (h->busy_configuring) {
- spin_unlock_irqrestore(&h->lock, flags);
- return -EBUSY;
- }
- raid = drv->raid_level;
- spin_unlock_irqrestore(&h->lock, flags);
- if (raid < 0 || raid > RAID_UNKNOWN)
- raid = RAID_UNKNOWN;
-
- return snprintf(buf, strlen(raid_label[raid]) + 7, "RAID %s\n",
- raid_label[raid]);
-}
-static DEVICE_ATTR(raid_level, S_IRUGO, cciss_show_raid_level, NULL);
-
-static ssize_t cciss_show_usage_count(struct device *dev,
- struct device_attribute *attr, char *buf)
-{
- drive_info_struct *drv = to_drv(dev);
- struct ctlr_info *h = to_hba(drv->dev.parent);
- unsigned long flags;
- int count;
-
- spin_lock_irqsave(&h->lock, flags);
- if (h->busy_configuring) {
- spin_unlock_irqrestore(&h->lock, flags);
- return -EBUSY;
- }
- count = drv->usage_count;
- spin_unlock_irqrestore(&h->lock, flags);
- return snprintf(buf, 20, "%d\n", count);
-}
-static DEVICE_ATTR(usage_count, S_IRUGO, cciss_show_usage_count, NULL);
-
-static struct attribute *cciss_host_attrs[] = {
- &dev_attr_rescan.attr,
- &dev_attr_resettable.attr,
- &dev_attr_transport_mode.attr,
- NULL
-};
-
-static struct attribute_group cciss_host_attr_group = {
- .attrs = cciss_host_attrs,
-};
-
-static const struct attribute_group *cciss_host_attr_groups[] = {
- &cciss_host_attr_group,
- NULL
-};
-
-static struct device_type cciss_host_type = {
- .name = "cciss_host",
- .groups = cciss_host_attr_groups,
- .release = cciss_hba_release,
-};
-
-static struct attribute *cciss_dev_attrs[] = {
- &dev_attr_unique_id.attr,
- &dev_attr_model.attr,
- &dev_attr_vendor.attr,
- &dev_attr_rev.attr,
- &dev_attr_lunid.attr,
- &dev_attr_raid_level.attr,
- &dev_attr_usage_count.attr,
- NULL
-};
-
-static struct attribute_group cciss_dev_attr_group = {
- .attrs = cciss_dev_attrs,
-};
-
-static const struct attribute_group *cciss_dev_attr_groups[] = {
- &cciss_dev_attr_group,
- NULL
-};
-
-static struct device_type cciss_dev_type = {
- .name = "cciss_device",
- .groups = cciss_dev_attr_groups,
- .release = cciss_device_release,
-};
-
-static struct bus_type cciss_bus_type = {
- .name = "cciss",
-};
-
-/*
- * cciss_hba_release is called when the reference count
- * of h->dev goes to zero.
- */
-static void cciss_hba_release(struct device *dev)
-{
- /*
- * nothing to do, but need this to avoid a warning
- * about not having a release handler from lib/kref.c.
- */
-}
-
-/*
- * Initialize sysfs entry for each controller. This sets up and registers
- * the 'cciss#' directory for each individual controller under
- * /sys/bus/pci/devices/<dev>/.
- */
-static int cciss_create_hba_sysfs_entry(struct ctlr_info *h)
-{
- device_initialize(&h->dev);
- h->dev.type = &cciss_host_type;
- h->dev.bus = &cciss_bus_type;
- dev_set_name(&h->dev, "%s", h->devname);
- h->dev.parent = &h->pdev->dev;
-
- return device_add(&h->dev);
-}
-
-/*
- * Remove sysfs entries for an hba.
- */
-static void cciss_destroy_hba_sysfs_entry(struct ctlr_info *h)
-{
- device_del(&h->dev);
- put_device(&h->dev); /* final put. */
-}
-
-/* cciss_device_release is called when the reference count
- * of h->drv[x]dev goes to zero.
- */
-static void cciss_device_release(struct device *dev)
-{
- drive_info_struct *drv = to_drv(dev);
- kfree(drv);
-}
-
-/*
- * Initialize sysfs for each logical drive. This sets up and registers
- * the 'c#d#' directory for each individual logical drive under
- * /sys/bus/pci/devices/<dev/ccis#/. We also create a link from
- * /sys/block/cciss!c#d# to this entry.
- */
-static long cciss_create_ld_sysfs_entry(struct ctlr_info *h,
- int drv_index)
-{
- struct device *dev;
-
- if (h->drv[drv_index]->device_initialized)
- return 0;
-
- dev = &h->drv[drv_index]->dev;
- device_initialize(dev);
- dev->type = &cciss_dev_type;
- dev->bus = &cciss_bus_type;
- dev_set_name(dev, "c%dd%d", h->ctlr, drv_index);
- dev->parent = &h->dev;
- h->drv[drv_index]->device_initialized = 1;
- return device_add(dev);
-}
-
-/*
- * Remove sysfs entries for a logical drive.
- */
-static void cciss_destroy_ld_sysfs_entry(struct ctlr_info *h, int drv_index,
- int ctlr_exiting)
-{
- struct device *dev = &h->drv[drv_index]->dev;
-
- /* special case for c*d0, we only destroy it on controller exit */
- if (drv_index == 0 && !ctlr_exiting)
- return;
-
- device_del(dev);
- put_device(dev); /* the "final" put. */
- h->drv[drv_index] = NULL;
-}
-
-/*
- * For operations that cannot sleep, a command block is allocated at init,
- * and managed by cmd_alloc() and cmd_free() using a simple bitmap to track
- * which ones are free or in use.
- */
-static CommandList_struct *cmd_alloc(ctlr_info_t *h)
-{
- CommandList_struct *c;
- int i;
- u64bit temp64;
- dma_addr_t cmd_dma_handle, err_dma_handle;
-
- do {
- i = find_first_zero_bit(h->cmd_pool_bits, h->nr_cmds);
- if (i == h->nr_cmds)
- return NULL;
- } while (test_and_set_bit(i, h->cmd_pool_bits) != 0);
- c = h->cmd_pool + i;
- memset(c, 0, sizeof(CommandList_struct));
- cmd_dma_handle = h->cmd_pool_dhandle + i * sizeof(CommandList_struct);
- c->err_info = h->errinfo_pool + i;
- memset(c->err_info, 0, sizeof(ErrorInfo_struct));
- err_dma_handle = h->errinfo_pool_dhandle
- + i * sizeof(ErrorInfo_struct);
- h->nr_allocs++;
-
- c->cmdindex = i;
-
- INIT_LIST_HEAD(&c->list);
- c->busaddr = (__u32) cmd_dma_handle;
- temp64.val = (__u64) err_dma_handle;
- c->ErrDesc.Addr.lower = temp64.val32.lower;
- c->ErrDesc.Addr.upper = temp64.val32.upper;
- c->ErrDesc.Len = sizeof(ErrorInfo_struct);
-
- c->ctlr = h->ctlr;
- return c;
-}
-
-/* allocate a command using pci_alloc_consistent, used for ioctls,
- * etc., not for the main i/o path.
- */
-static CommandList_struct *cmd_special_alloc(ctlr_info_t *h)
-{
- CommandList_struct *c;
- u64bit temp64;
- dma_addr_t cmd_dma_handle, err_dma_handle;
-
- c = pci_zalloc_consistent(h->pdev, sizeof(CommandList_struct),
- &cmd_dma_handle);
- if (c == NULL)
- return NULL;
-
- c->cmdindex = -1;
-
- c->err_info = pci_zalloc_consistent(h->pdev, sizeof(ErrorInfo_struct),
- &err_dma_handle);
-
- if (c->err_info == NULL) {
- pci_free_consistent(h->pdev,
- sizeof(CommandList_struct), c, cmd_dma_handle);
- return NULL;
- }
-
- INIT_LIST_HEAD(&c->list);
- c->busaddr = (__u32) cmd_dma_handle;
- temp64.val = (__u64) err_dma_handle;
- c->ErrDesc.Addr.lower = temp64.val32.lower;
- c->ErrDesc.Addr.upper = temp64.val32.upper;
- c->ErrDesc.Len = sizeof(ErrorInfo_struct);
-
- c->ctlr = h->ctlr;
- return c;
-}
-
-static void cmd_free(ctlr_info_t *h, CommandList_struct *c)
-{
- int i;
-
- i = c - h->cmd_pool;
- clear_bit(i, h->cmd_pool_bits);
- h->nr_frees++;
-}
-
-static void cmd_special_free(ctlr_info_t *h, CommandList_struct *c)
-{
- u64bit temp64;
-
- temp64.val32.lower = c->ErrDesc.Addr.lower;
- temp64.val32.upper = c->ErrDesc.Addr.upper;
- pci_free_consistent(h->pdev, sizeof(ErrorInfo_struct),
- c->err_info, (dma_addr_t) temp64.val);
- pci_free_consistent(h->pdev, sizeof(CommandList_struct), c,
- (dma_addr_t) cciss_tag_discard_error_bits(h, (u32) c->busaddr));
-}
-
-static inline ctlr_info_t *get_host(struct gendisk *disk)
-{
- return disk->queue->queuedata;
-}
-
-static inline drive_info_struct *get_drv(struct gendisk *disk)
-{
- return disk->private_data;
-}
-
-/*
- * Open. Make sure the device is really there.
- */
-static int cciss_open(struct block_device *bdev, fmode_t mode)
-{
- ctlr_info_t *h = get_host(bdev->bd_disk);
- drive_info_struct *drv = get_drv(bdev->bd_disk);
-
- dev_dbg(&h->pdev->dev, "cciss_open %s\n", bdev->bd_disk->disk_name);
- if (drv->busy_configuring)
- return -EBUSY;
- /*
- * Root is allowed to open raw volume zero even if it's not configured
- * so array config can still work. Root is also allowed to open any
- * volume that has a LUN ID, so it can issue IOCTL to reread the
- * disk information. I don't think I really like this
- * but I'm already using way to many device nodes to claim another one
- * for "raw controller".
- */
- if (drv->heads == 0) {
- if (MINOR(bdev->bd_dev) != 0) { /* not node 0? */
- /* if not node 0 make sure it is a partition = 0 */
- if (MINOR(bdev->bd_dev) & 0x0f) {
- return -ENXIO;
- /* if it is, make sure we have a LUN ID */
- } else if (memcmp(drv->LunID, CTLR_LUNID,
- sizeof(drv->LunID))) {
- return -ENXIO;
- }
- }
- if (!capable(CAP_SYS_ADMIN))
- return -EPERM;
- }
- drv->usage_count++;
- h->usage_count++;
- return 0;
-}
-
-static int cciss_unlocked_open(struct block_device *bdev, fmode_t mode)
-{
- int ret;
-
- mutex_lock(&cciss_mutex);
- ret = cciss_open(bdev, mode);
- mutex_unlock(&cciss_mutex);
-
- return ret;
-}
-
-/*
- * Close. Sync first.
- */
-static void cciss_release(struct gendisk *disk, fmode_t mode)
-{
- ctlr_info_t *h;
- drive_info_struct *drv;
-
- mutex_lock(&cciss_mutex);
- h = get_host(disk);
- drv = get_drv(disk);
- dev_dbg(&h->pdev->dev, "cciss_release %s\n", disk->disk_name);
- drv->usage_count--;
- h->usage_count--;
- mutex_unlock(&cciss_mutex);
-}
-
-#ifdef CONFIG_COMPAT
-
-static int cciss_ioctl32_passthru(struct block_device *bdev, fmode_t mode,
- unsigned cmd, unsigned long arg);
-static int cciss_ioctl32_big_passthru(struct block_device *bdev, fmode_t mode,
- unsigned cmd, unsigned long arg);
-
-static int cciss_compat_ioctl(struct block_device *bdev, fmode_t mode,
- unsigned cmd, unsigned long arg)
-{
- switch (cmd) {
- case CCISS_GETPCIINFO:
- case CCISS_GETINTINFO:
- case CCISS_SETINTINFO:
- case CCISS_GETNODENAME:
- case CCISS_SETNODENAME:
- case CCISS_GETHEARTBEAT:
- case CCISS_GETBUSTYPES:
- case CCISS_GETFIRMVER:
- case CCISS_GETDRIVVER:
- case CCISS_REVALIDVOLS:
- case CCISS_DEREGDISK:
- case CCISS_REGNEWDISK:
- case CCISS_REGNEWD:
- case CCISS_RESCANDISK:
- case CCISS_GETLUNINFO:
- return cciss_ioctl(bdev, mode, cmd, arg);
-
- case CCISS_PASSTHRU32:
- return cciss_ioctl32_passthru(bdev, mode, cmd, arg);
- case CCISS_BIG_PASSTHRU32:
- return cciss_ioctl32_big_passthru(bdev, mode, cmd, arg);
-
- default:
- return -ENOIOCTLCMD;
- }
-}
-
-static int cciss_ioctl32_passthru(struct block_device *bdev, fmode_t mode,
- unsigned cmd, unsigned long arg)
-{
- IOCTL32_Command_struct __user *arg32 =
- (IOCTL32_Command_struct __user *) arg;
- IOCTL_Command_struct arg64;
- IOCTL_Command_struct __user *p = compat_alloc_user_space(sizeof(arg64));
- int err;
- u32 cp;
-
- memset(&arg64, 0, sizeof(arg64));
- err = 0;
- err |=
- copy_from_user(&arg64.LUN_info, &arg32->LUN_info,
- sizeof(arg64.LUN_info));
- err |=
- copy_from_user(&arg64.Request, &arg32->Request,
- sizeof(arg64.Request));
- err |=
- copy_from_user(&arg64.error_info, &arg32->error_info,
- sizeof(arg64.error_info));
- err |= get_user(arg64.buf_size, &arg32->buf_size);
- err |= get_user(cp, &arg32->buf);
- arg64.buf = compat_ptr(cp);
- err |= copy_to_user(p, &arg64, sizeof(arg64));
-
- if (err)
- return -EFAULT;
-
- err = cciss_ioctl(bdev, mode, CCISS_PASSTHRU, (unsigned long)p);
- if (err)
- return err;
- err |=
- copy_in_user(&arg32->error_info, &p->error_info,
- sizeof(arg32->error_info));
- if (err)
- return -EFAULT;
- return err;
-}
-
-static int cciss_ioctl32_big_passthru(struct block_device *bdev, fmode_t mode,
- unsigned cmd, unsigned long arg)
-{
- BIG_IOCTL32_Command_struct __user *arg32 =
- (BIG_IOCTL32_Command_struct __user *) arg;
- BIG_IOCTL_Command_struct arg64;
- BIG_IOCTL_Command_struct __user *p =
- compat_alloc_user_space(sizeof(arg64));
- int err;
- u32 cp;
-
- memset(&arg64, 0, sizeof(arg64));
- err = 0;
- err |=
- copy_from_user(&arg64.LUN_info, &arg32->LUN_info,
- sizeof(arg64.LUN_info));
- err |=
- copy_from_user(&arg64.Request, &arg32->Request,
- sizeof(arg64.Request));
- err |=
- copy_from_user(&arg64.error_info, &arg32->error_info,
- sizeof(arg64.error_info));
- err |= get_user(arg64.buf_size, &arg32->buf_size);
- err |= get_user(arg64.malloc_size, &arg32->malloc_size);
- err |= get_user(cp, &arg32->buf);
- arg64.buf = compat_ptr(cp);
- err |= copy_to_user(p, &arg64, sizeof(arg64));
-
- if (err)
- return -EFAULT;
-
- err = cciss_ioctl(bdev, mode, CCISS_BIG_PASSTHRU, (unsigned long)p);
- if (err)
- return err;
- err |=
- copy_in_user(&arg32->error_info, &p->error_info,
- sizeof(arg32->error_info));
- if (err)
- return -EFAULT;
- return err;
-}
-#endif
-
-static int cciss_getgeo(struct block_device *bdev, struct hd_geometry *geo)
-{
- drive_info_struct *drv = get_drv(bdev->bd_disk);
-
- if (!drv->cylinders)
- return -ENXIO;
-
- geo->heads = drv->heads;
- geo->sectors = drv->sectors;
- geo->cylinders = drv->cylinders;
- return 0;
-}
-
-static void check_ioctl_unit_attention(ctlr_info_t *h, CommandList_struct *c)
-{
- if (c->err_info->CommandStatus == CMD_TARGET_STATUS &&
- c->err_info->ScsiStatus != SAM_STAT_CHECK_CONDITION)
- (void)check_for_unit_attention(h, c);
-}
-
-static int cciss_getpciinfo(ctlr_info_t *h, void __user *argp)
-{
- cciss_pci_info_struct pciinfo;
-
- if (!argp)
- return -EINVAL;
- pciinfo.domain = pci_domain_nr(h->pdev->bus);
- pciinfo.bus = h->pdev->bus->number;
- pciinfo.dev_fn = h->pdev->devfn;
- pciinfo.board_id = h->board_id;
- if (copy_to_user(argp, &pciinfo, sizeof(cciss_pci_info_struct)))
- return -EFAULT;
- return 0;
-}
-
-static int cciss_getintinfo(ctlr_info_t *h, void __user *argp)
-{
- cciss_coalint_struct intinfo;
- unsigned long flags;
-
- if (!argp)
- return -EINVAL;
- spin_lock_irqsave(&h->lock, flags);
- intinfo.delay = readl(&h->cfgtable->HostWrite.CoalIntDelay);
- intinfo.count = readl(&h->cfgtable->HostWrite.CoalIntCount);
- spin_unlock_irqrestore(&h->lock, flags);
- if (copy_to_user
- (argp, &intinfo, sizeof(cciss_coalint_struct)))
- return -EFAULT;
- return 0;
-}
-
-static int cciss_setintinfo(ctlr_info_t *h, void __user *argp)
-{
- cciss_coalint_struct intinfo;
- unsigned long flags;
- int i;
-
- if (!argp)
- return -EINVAL;
- if (!capable(CAP_SYS_ADMIN))
- return -EPERM;
- if (copy_from_user(&intinfo, argp, sizeof(intinfo)))
- return -EFAULT;
- if ((intinfo.delay == 0) && (intinfo.count == 0))
- return -EINVAL;
- spin_lock_irqsave(&h->lock, flags);
- /* Update the field, and then ring the doorbell */
- writel(intinfo.delay, &(h->cfgtable->HostWrite.CoalIntDelay));
- writel(intinfo.count, &(h->cfgtable->HostWrite.CoalIntCount));
- writel(CFGTBL_ChangeReq, h->vaddr + SA5_DOORBELL);
-
- for (i = 0; i < MAX_IOCTL_CONFIG_WAIT; i++) {
- if (!(readl(h->vaddr + SA5_DOORBELL) & CFGTBL_ChangeReq))
- break;
- udelay(1000); /* delay and try again */
- }
- spin_unlock_irqrestore(&h->lock, flags);
- if (i >= MAX_IOCTL_CONFIG_WAIT)
- return -EAGAIN;
- return 0;
-}
-
-static int cciss_getnodename(ctlr_info_t *h, void __user *argp)
-{
- NodeName_type NodeName;
- unsigned long flags;
- int i;
-
- if (!argp)
- return -EINVAL;
- spin_lock_irqsave(&h->lock, flags);
- for (i = 0; i < 16; i++)
- NodeName[i] = readb(&h->cfgtable->ServerName[i]);
- spin_unlock_irqrestore(&h->lock, flags);
- if (copy_to_user(argp, NodeName, sizeof(NodeName_type)))
- return -EFAULT;
- return 0;
-}
-
-static int cciss_setnodename(ctlr_info_t *h, void __user *argp)
-{
- NodeName_type NodeName;
- unsigned long flags;
- int i;
-
- if (!argp)
- return -EINVAL;
- if (!capable(CAP_SYS_ADMIN))
- return -EPERM;
- if (copy_from_user(NodeName, argp, sizeof(NodeName_type)))
- return -EFAULT;
- spin_lock_irqsave(&h->lock, flags);
- /* Update the field, and then ring the doorbell */
- for (i = 0; i < 16; i++)
- writeb(NodeName[i], &h->cfgtable->ServerName[i]);
- writel(CFGTBL_ChangeReq, h->vaddr + SA5_DOORBELL);
- for (i = 0; i < MAX_IOCTL_CONFIG_WAIT; i++) {
- if (!(readl(h->vaddr + SA5_DOORBELL) & CFGTBL_ChangeReq))
- break;
- udelay(1000); /* delay and try again */
- }
- spin_unlock_irqrestore(&h->lock, flags);
- if (i >= MAX_IOCTL_CONFIG_WAIT)
- return -EAGAIN;
- return 0;
-}
-
-static int cciss_getheartbeat(ctlr_info_t *h, void __user *argp)
-{
- Heartbeat_type heartbeat;
- unsigned long flags;
-
- if (!argp)
- return -EINVAL;
- spin_lock_irqsave(&h->lock, flags);
- heartbeat = readl(&h->cfgtable->HeartBeat);
- spin_unlock_irqrestore(&h->lock, flags);
- if (copy_to_user(argp, &heartbeat, sizeof(Heartbeat_type)))
- return -EFAULT;
- return 0;
-}
-
-static int cciss_getbustypes(ctlr_info_t *h, void __user *argp)
-{
- BusTypes_type BusTypes;
- unsigned long flags;
-
- if (!argp)
- return -EINVAL;
- spin_lock_irqsave(&h->lock, flags);
- BusTypes = readl(&h->cfgtable->BusTypes);
- spin_unlock_irqrestore(&h->lock, flags);
- if (copy_to_user(argp, &BusTypes, sizeof(BusTypes_type)))
- return -EFAULT;
- return 0;
-}
-
-static int cciss_getfirmver(ctlr_info_t *h, void __user *argp)
-{
- FirmwareVer_type firmware;
-
- if (!argp)
- return -EINVAL;
- memcpy(firmware, h->firm_ver, 4);
-
- if (copy_to_user
- (argp, firmware, sizeof(FirmwareVer_type)))
- return -EFAULT;
- return 0;
-}
-
-static int cciss_getdrivver(ctlr_info_t *h, void __user *argp)
-{
- DriverVer_type DriverVer = DRIVER_VERSION;
-
- if (!argp)
- return -EINVAL;
- if (copy_to_user(argp, &DriverVer, sizeof(DriverVer_type)))
- return -EFAULT;
- return 0;
-}
-
-static int cciss_getluninfo(ctlr_info_t *h,
- struct gendisk *disk, void __user *argp)
-{
- LogvolInfo_struct luninfo;
- drive_info_struct *drv = get_drv(disk);
-
- if (!argp)
- return -EINVAL;
- memcpy(&luninfo.LunID, drv->LunID, sizeof(luninfo.LunID));
- luninfo.num_opens = drv->usage_count;
- luninfo.num_parts = 0;
- if (copy_to_user(argp, &luninfo, sizeof(LogvolInfo_struct)))
- return -EFAULT;
- return 0;
-}
-
-static int cciss_passthru(ctlr_info_t *h, void __user *argp)
-{
- IOCTL_Command_struct iocommand;
- CommandList_struct *c;
- char *buff = NULL;
- u64bit temp64;
- DECLARE_COMPLETION_ONSTACK(wait);
-
- if (!argp)
- return -EINVAL;
-
- if (!capable(CAP_SYS_RAWIO))
- return -EPERM;
-
- if (copy_from_user
- (&iocommand, argp, sizeof(IOCTL_Command_struct)))
- return -EFAULT;
- if ((iocommand.buf_size < 1) &&
- (iocommand.Request.Type.Direction != XFER_NONE)) {
- return -EINVAL;
- }
- if (iocommand.buf_size > 0) {
- buff = kmalloc(iocommand.buf_size, GFP_KERNEL);
- if (buff == NULL)
- return -EFAULT;
- }
- if (iocommand.Request.Type.Direction == XFER_WRITE) {
- /* Copy the data into the buffer we created */
- if (copy_from_user(buff, iocommand.buf, iocommand.buf_size)) {
- kfree(buff);
- return -EFAULT;
- }
- } else {
- memset(buff, 0, iocommand.buf_size);
- }
- c = cmd_special_alloc(h);
- if (!c) {
- kfree(buff);
- return -ENOMEM;
- }
- /* Fill in the command type */
- c->cmd_type = CMD_IOCTL_PEND;
- /* Fill in Command Header */
- c->Header.ReplyQueue = 0; /* unused in simple mode */
- if (iocommand.buf_size > 0) { /* buffer to fill */
- c->Header.SGList = 1;
- c->Header.SGTotal = 1;
- } else { /* no buffers to fill */
- c->Header.SGList = 0;
- c->Header.SGTotal = 0;
- }
- c->Header.LUN = iocommand.LUN_info;
- /* use the kernel address the cmd block for tag */
- c->Header.Tag.lower = c->busaddr;
-
- /* Fill in Request block */
- c->Request = iocommand.Request;
-
- /* Fill in the scatter gather information */
- if (iocommand.buf_size > 0) {
- temp64.val = pci_map_single(h->pdev, buff,
- iocommand.buf_size, PCI_DMA_BIDIRECTIONAL);
- c->SG[0].Addr.lower = temp64.val32.lower;
- c->SG[0].Addr.upper = temp64.val32.upper;
- c->SG[0].Len = iocommand.buf_size;
- c->SG[0].Ext = 0; /* we are not chaining */
- }
- c->waiting = &wait;
-
- enqueue_cmd_and_start_io(h, c);
- wait_for_completion(&wait);
-
- /* unlock the buffers from DMA */
- temp64.val32.lower = c->SG[0].Addr.lower;
- temp64.val32.upper = c->SG[0].Addr.upper;
- pci_unmap_single(h->pdev, (dma_addr_t) temp64.val, iocommand.buf_size,
- PCI_DMA_BIDIRECTIONAL);
- check_ioctl_unit_attention(h, c);
-
- /* Copy the error information out */
- iocommand.error_info = *(c->err_info);
- if (copy_to_user(argp, &iocommand, sizeof(IOCTL_Command_struct))) {
- kfree(buff);
- cmd_special_free(h, c);
- return -EFAULT;
- }
-
- if (iocommand.Request.Type.Direction == XFER_READ) {
- /* Copy the data out of the buffer we created */
- if (copy_to_user(iocommand.buf, buff, iocommand.buf_size)) {
- kfree(buff);
- cmd_special_free(h, c);
- return -EFAULT;
- }
- }
- kfree(buff);
- cmd_special_free(h, c);
- return 0;
-}
-
-static int cciss_bigpassthru(ctlr_info_t *h, void __user *argp)
-{
- BIG_IOCTL_Command_struct *ioc;
- CommandList_struct *c;
- unsigned char **buff = NULL;
- int *buff_size = NULL;
- u64bit temp64;
- BYTE sg_used = 0;
- int status = 0;
- int i;
- DECLARE_COMPLETION_ONSTACK(wait);
- __u32 left;
- __u32 sz;
- BYTE __user *data_ptr;
-
- if (!argp)
- return -EINVAL;
- if (!capable(CAP_SYS_RAWIO))
- return -EPERM;
- ioc = kmalloc(sizeof(*ioc), GFP_KERNEL);
- if (!ioc) {
- status = -ENOMEM;
- goto cleanup1;
- }
- if (copy_from_user(ioc, argp, sizeof(*ioc))) {
- status = -EFAULT;
- goto cleanup1;
- }
- if ((ioc->buf_size < 1) &&
- (ioc->Request.Type.Direction != XFER_NONE)) {
- status = -EINVAL;
- goto cleanup1;
- }
- /* Check kmalloc limits using all SGs */
- if (ioc->malloc_size > MAX_KMALLOC_SIZE) {
- status = -EINVAL;
- goto cleanup1;
- }
- if (ioc->buf_size > ioc->malloc_size * MAXSGENTRIES) {
- status = -EINVAL;
- goto cleanup1;
- }
- buff = kzalloc(MAXSGENTRIES * sizeof(char *), GFP_KERNEL);
- if (!buff) {
- status = -ENOMEM;
- goto cleanup1;
- }
- buff_size = kmalloc(MAXSGENTRIES * sizeof(int), GFP_KERNEL);
- if (!buff_size) {
- status = -ENOMEM;
- goto cleanup1;
- }
- left = ioc->buf_size;
- data_ptr = ioc->buf;
- while (left) {
- sz = (left > ioc->malloc_size) ? ioc->malloc_size : left;
- buff_size[sg_used] = sz;
- buff[sg_used] = kmalloc(sz, GFP_KERNEL);
- if (buff[sg_used] == NULL) {
- status = -ENOMEM;
- goto cleanup1;
- }
- if (ioc->Request.Type.Direction == XFER_WRITE) {
- if (copy_from_user(buff[sg_used], data_ptr, sz)) {
- status = -EFAULT;
- goto cleanup1;
- }
- } else {
- memset(buff[sg_used], 0, sz);
- }
- left -= sz;
- data_ptr += sz;
- sg_used++;
- }
- c = cmd_special_alloc(h);
- if (!c) {
- status = -ENOMEM;
- goto cleanup1;
- }
- c->cmd_type = CMD_IOCTL_PEND;
- c->Header.ReplyQueue = 0;
- c->Header.SGList = sg_used;
- c->Header.SGTotal = sg_used;
- c->Header.LUN = ioc->LUN_info;
- c->Header.Tag.lower = c->busaddr;
-
- c->Request = ioc->Request;
- for (i = 0; i < sg_used; i++) {
- temp64.val = pci_map_single(h->pdev, buff[i], buff_size[i],
- PCI_DMA_BIDIRECTIONAL);
- c->SG[i].Addr.lower = temp64.val32.lower;
- c->SG[i].Addr.upper = temp64.val32.upper;
- c->SG[i].Len = buff_size[i];
- c->SG[i].Ext = 0; /* we are not chaining */
- }
- c->waiting = &wait;
- enqueue_cmd_and_start_io(h, c);
- wait_for_completion(&wait);
- /* unlock the buffers from DMA */
- for (i = 0; i < sg_used; i++) {
- temp64.val32.lower = c->SG[i].Addr.lower;
- temp64.val32.upper = c->SG[i].Addr.upper;
- pci_unmap_single(h->pdev,
- (dma_addr_t) temp64.val, buff_size[i],
- PCI_DMA_BIDIRECTIONAL);
- }
- check_ioctl_unit_attention(h, c);
- /* Copy the error information out */
- ioc->error_info = *(c->err_info);
- if (copy_to_user(argp, ioc, sizeof(*ioc))) {
- cmd_special_free(h, c);
- status = -EFAULT;
- goto cleanup1;
- }
- if (ioc->Request.Type.Direction == XFER_READ) {
- /* Copy the data out of the buffer we created */
- BYTE __user *ptr = ioc->buf;
- for (i = 0; i < sg_used; i++) {
- if (copy_to_user(ptr, buff[i], buff_size[i])) {
- cmd_special_free(h, c);
- status = -EFAULT;
- goto cleanup1;
- }
- ptr += buff_size[i];
- }
- }
- cmd_special_free(h, c);
- status = 0;
-cleanup1:
- if (buff) {
- for (i = 0; i < sg_used; i++)
- kfree(buff[i]);
- kfree(buff);
- }
- kfree(buff_size);
- kfree(ioc);
- return status;
-}
-
-static int cciss_ioctl(struct block_device *bdev, fmode_t mode,
- unsigned int cmd, unsigned long arg)
-{
- struct gendisk *disk = bdev->bd_disk;
- ctlr_info_t *h = get_host(disk);
- void __user *argp = (void __user *)arg;
-
- dev_dbg(&h->pdev->dev, "cciss_ioctl: Called with cmd=%x %lx\n",
- cmd, arg);
- switch (cmd) {
- case CCISS_GETPCIINFO:
- return cciss_getpciinfo(h, argp);
- case CCISS_GETINTINFO:
- return cciss_getintinfo(h, argp);
- case CCISS_SETINTINFO:
- return cciss_setintinfo(h, argp);
- case CCISS_GETNODENAME:
- return cciss_getnodename(h, argp);
- case CCISS_SETNODENAME:
- return cciss_setnodename(h, argp);
- case CCISS_GETHEARTBEAT:
- return cciss_getheartbeat(h, argp);
- case CCISS_GETBUSTYPES:
- return cciss_getbustypes(h, argp);
- case CCISS_GETFIRMVER:
- return cciss_getfirmver(h, argp);
- case CCISS_GETDRIVVER:
- return cciss_getdrivver(h, argp);
- case CCISS_DEREGDISK:
- case CCISS_REGNEWD:
- case CCISS_REVALIDVOLS:
- return rebuild_lun_table(h, 0, 1);
- case CCISS_GETLUNINFO:
- return cciss_getluninfo(h, disk, argp);
- case CCISS_PASSTHRU:
- return cciss_passthru(h, argp);
- case CCISS_BIG_PASSTHRU:
- return cciss_bigpassthru(h, argp);
-
- /* scsi_cmd_blk_ioctl handles these, below, though some are not */
- /* very meaningful for cciss. SG_IO is the main one people want. */
-
- case SG_GET_VERSION_NUM:
- case SG_SET_TIMEOUT:
- case SG_GET_TIMEOUT:
- case SG_GET_RESERVED_SIZE:
- case SG_SET_RESERVED_SIZE:
- case SG_EMULATED_HOST:
- case SG_IO:
- case SCSI_IOCTL_SEND_COMMAND:
- return scsi_cmd_blk_ioctl(bdev, mode, cmd, argp);
-
- /* scsi_cmd_blk_ioctl would normally handle these, below, but */
- /* they aren't a good fit for cciss, as CD-ROMs are */
- /* not supported, and we don't have any bus/target/lun */
- /* which we present to the kernel. */
-
- case CDROM_SEND_PACKET:
- case CDROMCLOSETRAY:
- case CDROMEJECT:
- case SCSI_IOCTL_GET_IDLUN:
- case SCSI_IOCTL_GET_BUS_NUMBER:
- default:
- return -ENOTTY;
- }
-}
-
-static void cciss_check_queues(ctlr_info_t *h)
-{
- int start_queue = h->next_to_run;
- int i;
-
- /* check to see if we have maxed out the number of commands that can
- * be placed on the queue. If so then exit. We do this check here
- * in case the interrupt we serviced was from an ioctl and did not
- * free any new commands.
- */
- if ((find_first_zero_bit(h->cmd_pool_bits, h->nr_cmds)) == h->nr_cmds)
- return;
-
- /* We have room on the queue for more commands. Now we need to queue
- * them up. We will also keep track of the next queue to run so
- * that every queue gets a chance to be started first.
- */
- for (i = 0; i < h->highest_lun + 1; i++) {
- int curr_queue = (start_queue + i) % (h->highest_lun + 1);
- /* make sure the disk has been added and the drive is real
- * because this can be called from the middle of init_one.
- */
- if (!h->drv[curr_queue])
- continue;
- if (!(h->drv[curr_queue]->queue) ||
- !(h->drv[curr_queue]->heads))
- continue;
- blk_start_queue(h->gendisk[curr_queue]->queue);
-
- /* check to see if we have maxed out the number of commands
- * that can be placed on the queue.
- */
- if ((find_first_zero_bit(h->cmd_pool_bits, h->nr_cmds)) == h->nr_cmds) {
- if (curr_queue == start_queue) {
- h->next_to_run =
- (start_queue + 1) % (h->highest_lun + 1);
- break;
- } else {
- h->next_to_run = curr_queue;
- break;
- }
- }
- }
-}
-
-static void cciss_softirq_done(struct request *rq)
-{
- CommandList_struct *c = rq->completion_data;
- ctlr_info_t *h = hba[c->ctlr];
- SGDescriptor_struct *curr_sg = c->SG;
- u64bit temp64;
- unsigned long flags;
- int i, ddir;
- int sg_index = 0;
-
- if (c->Request.Type.Direction == XFER_READ)
- ddir = PCI_DMA_FROMDEVICE;
- else
- ddir = PCI_DMA_TODEVICE;
-
- /* command did not need to be retried */
- /* unmap the DMA mapping for all the scatter gather elements */
- for (i = 0; i < c->Header.SGList; i++) {
- if (curr_sg[sg_index].Ext == CCISS_SG_CHAIN) {
- cciss_unmap_sg_chain_block(h, c);
- /* Point to the next block */
- curr_sg = h->cmd_sg_list[c->cmdindex];
- sg_index = 0;
- }
- temp64.val32.lower = curr_sg[sg_index].Addr.lower;
- temp64.val32.upper = curr_sg[sg_index].Addr.upper;
- pci_unmap_page(h->pdev, temp64.val, curr_sg[sg_index].Len,
- ddir);
- ++sg_index;
- }
-
- dev_dbg(&h->pdev->dev, "Done with %p\n", rq);
-
- /* set the residual count for pc requests */
- if (blk_rq_is_passthrough(rq))
- scsi_req(rq)->resid_len = c->err_info->ResidualCnt;
- blk_end_request_all(rq, scsi_req(rq)->result ?
- BLK_STS_IOERR : BLK_STS_OK);
-
- spin_lock_irqsave(&h->lock, flags);
- cmd_free(h, c);
- cciss_check_queues(h);
- spin_unlock_irqrestore(&h->lock, flags);
-}
-
-static inline void log_unit_to_scsi3addr(ctlr_info_t *h,
- unsigned char scsi3addr[], uint32_t log_unit)
-{
- memcpy(scsi3addr, h->drv[log_unit]->LunID,
- sizeof(h->drv[log_unit]->LunID));
-}
-
-/* This function gets the SCSI vendor, model, and revision of a logical drive
- * via the inquiry page 0. Model, vendor, and rev are set to empty strings if
- * they cannot be read.
- */
-static void cciss_get_device_descr(ctlr_info_t *h, int logvol,
- char *vendor, char *model, char *rev)
-{
- int rc;
- InquiryData_struct *inq_buf;
- unsigned char scsi3addr[8];
-
- *vendor = '\0';
- *model = '\0';
- *rev = '\0';
-
- inq_buf = kzalloc(sizeof(InquiryData_struct), GFP_KERNEL);
- if (!inq_buf)
- return;
-
- log_unit_to_scsi3addr(h, scsi3addr, logvol);
- rc = sendcmd_withirq(h, CISS_INQUIRY, inq_buf, sizeof(*inq_buf), 0,
- scsi3addr, TYPE_CMD);
- if (rc == IO_OK) {
- memcpy(vendor, &inq_buf->data_byte[8], VENDOR_LEN);
- vendor[VENDOR_LEN] = '\0';
- memcpy(model, &inq_buf->data_byte[16], MODEL_LEN);
- model[MODEL_LEN] = '\0';
- memcpy(rev, &inq_buf->data_byte[32], REV_LEN);
- rev[REV_LEN] = '\0';
- }
-
- kfree(inq_buf);
- return;
-}
-
-/* This function gets the serial number of a logical drive via
- * inquiry page 0x83. Serial no. is 16 bytes. If the serial
- * number cannot be had, for whatever reason, 16 bytes of 0xff
- * are returned instead.
- */
-static void cciss_get_serial_no(ctlr_info_t *h, int logvol,
- unsigned char *serial_no, int buflen)
-{
-#define PAGE_83_INQ_BYTES 64
- int rc;
- unsigned char *buf;
- unsigned char scsi3addr[8];
-
- if (buflen > 16)
- buflen = 16;
- memset(serial_no, 0xff, buflen);
- buf = kzalloc(PAGE_83_INQ_BYTES, GFP_KERNEL);
- if (!buf)
- return;
- memset(serial_no, 0, buflen);
- log_unit_to_scsi3addr(h, scsi3addr, logvol);
- rc = sendcmd_withirq(h, CISS_INQUIRY, buf,
- PAGE_83_INQ_BYTES, 0x83, scsi3addr, TYPE_CMD);
- if (rc == IO_OK)
- memcpy(serial_no, &buf[8], buflen);
- kfree(buf);
- return;
-}
-
-static void cciss_initialize_rq(struct request *rq)
-{
- struct scsi_request *sreq = blk_mq_rq_to_pdu(rq);
-
- scsi_req_init(sreq);
-}
-
-/*
- * cciss_add_disk sets up the block device queue for a logical drive
- */
-static int cciss_add_disk(ctlr_info_t *h, struct gendisk *disk,
- int drv_index)
-{
- disk->queue = blk_alloc_queue(GFP_KERNEL);
- if (!disk->queue)
- goto init_queue_failure;
-
- disk->queue->cmd_size = sizeof(struct scsi_request);
- disk->queue->request_fn = do_cciss_request;
- disk->queue->initialize_rq_fn = cciss_initialize_rq;
- disk->queue->queue_lock = &h->lock;
- queue_flag_set_unlocked(QUEUE_FLAG_SCSI_PASSTHROUGH, disk->queue);
- if (blk_init_allocated_queue(disk->queue) < 0)
- goto cleanup_queue;
-
- sprintf(disk->disk_name, "cciss/c%dd%d", h->ctlr, drv_index);
- disk->major = h->major;
- disk->first_minor = drv_index << NWD_SHIFT;
- disk->fops = &cciss_fops;
- if (cciss_create_ld_sysfs_entry(h, drv_index))
- goto cleanup_queue;
- disk->private_data = h->drv[drv_index];
-
- /* Set up queue information */
- blk_queue_bounce_limit(disk->queue, h->pdev->dma_mask);
-
- /* This is a hardware imposed limit. */
- blk_queue_max_segments(disk->queue, h->maxsgentries);
-
- blk_queue_max_hw_sectors(disk->queue, h->cciss_max_sectors);
-
- blk_queue_softirq_done(disk->queue, cciss_softirq_done);
-
- disk->queue->queuedata = h;
-
- blk_queue_logical_block_size(disk->queue,
- h->drv[drv_index]->block_size);
-
- /* Make sure all queue data is written out before */
- /* setting h->drv[drv_index]->queue, as setting this */
- /* allows the interrupt handler to start the queue */
- wmb();
- h->drv[drv_index]->queue = disk->queue;
- device_add_disk(&h->drv[drv_index]->dev, disk);
- return 0;
-
-cleanup_queue:
- blk_cleanup_queue(disk->queue);
- disk->queue = NULL;
-init_queue_failure:
- return -1;
-}
-
-/* This function will check the usage_count of the drive to be updated/added.
- * If the usage_count is zero and it is a heretofore unknown drive, or,
- * the drive's capacity, geometry, or serial number has changed,
- * then the drive information will be updated and the disk will be
- * re-registered with the kernel. If these conditions don't hold,
- * then it will be left alone for the next reboot. The exception to this
- * is disk 0 which will always be left registered with the kernel since it
- * is also the controller node. Any changes to disk 0 will show up on
- * the next reboot.
- */
-static void cciss_update_drive_info(ctlr_info_t *h, int drv_index,
- int first_time, int via_ioctl)
-{
- struct gendisk *disk;
- InquiryData_struct *inq_buff = NULL;
- unsigned int block_size;
- sector_t total_size;
- unsigned long flags = 0;
- int ret = 0;
- drive_info_struct *drvinfo;
-
- /* Get information about the disk and modify the driver structure */
- inq_buff = kmalloc(sizeof(InquiryData_struct), GFP_KERNEL);
- drvinfo = kzalloc(sizeof(*drvinfo), GFP_KERNEL);
- if (inq_buff == NULL || drvinfo == NULL)
- goto mem_msg;
-
- /* testing to see if 16-byte CDBs are already being used */
- if (h->cciss_read == CCISS_READ_16) {
- cciss_read_capacity_16(h, drv_index,
- &total_size, &block_size);
-
- } else {
- cciss_read_capacity(h, drv_index, &total_size, &block_size);
- /* if read_capacity returns all F's this volume is >2TB */
- /* in size so we switch to 16-byte CDB's for all */
- /* read/write ops */
- if (total_size == 0xFFFFFFFFULL) {
- cciss_read_capacity_16(h, drv_index,
- &total_size, &block_size);
- h->cciss_read = CCISS_READ_16;
- h->cciss_write = CCISS_WRITE_16;
- } else {
- h->cciss_read = CCISS_READ_10;
- h->cciss_write = CCISS_WRITE_10;
- }
- }
-
- cciss_geometry_inquiry(h, drv_index, total_size, block_size,
- inq_buff, drvinfo);
- drvinfo->block_size = block_size;
- drvinfo->nr_blocks = total_size + 1;
-
- cciss_get_device_descr(h, drv_index, drvinfo->vendor,
- drvinfo->model, drvinfo->rev);
- cciss_get_serial_no(h, drv_index, drvinfo->serial_no,
- sizeof(drvinfo->serial_no));
- /* Save the lunid in case we deregister the disk, below. */
- memcpy(drvinfo->LunID, h->drv[drv_index]->LunID,
- sizeof(drvinfo->LunID));
-
- /* Is it the same disk we already know, and nothing's changed? */
- if (h->drv[drv_index]->raid_level != -1 &&
- ((memcmp(drvinfo->serial_no,
- h->drv[drv_index]->serial_no, 16) == 0) &&
- drvinfo->block_size == h->drv[drv_index]->block_size &&
- drvinfo->nr_blocks == h->drv[drv_index]->nr_blocks &&
- drvinfo->heads == h->drv[drv_index]->heads &&
- drvinfo->sectors == h->drv[drv_index]->sectors &&
- drvinfo->cylinders == h->drv[drv_index]->cylinders))
- /* The disk is unchanged, nothing to update */
- goto freeret;
-
- /* If we get here it's not the same disk, or something's changed,
- * so we need to * deregister it, and re-register it, if it's not
- * in use.
- * If the disk already exists then deregister it before proceeding
- * (unless it's the first disk (for the controller node).
- */
- if (h->drv[drv_index]->raid_level != -1 && drv_index != 0) {
- dev_warn(&h->pdev->dev, "disk %d has changed.\n", drv_index);
- spin_lock_irqsave(&h->lock, flags);
- h->drv[drv_index]->busy_configuring = 1;
- spin_unlock_irqrestore(&h->lock, flags);
-
- /* deregister_disk sets h->drv[drv_index]->queue = NULL
- * which keeps the interrupt handler from starting
- * the queue.
- */
- ret = deregister_disk(h, drv_index, 0, via_ioctl);
- }
-
- /* If the disk is in use return */
- if (ret)
- goto freeret;
-
- /* Save the new information from cciss_geometry_inquiry
- * and serial number inquiry. If the disk was deregistered
- * above, then h->drv[drv_index] will be NULL.
- */
- if (h->drv[drv_index] == NULL) {
- drvinfo->device_initialized = 0;
- h->drv[drv_index] = drvinfo;
- drvinfo = NULL; /* so it won't be freed below. */
- } else {
- /* special case for cxd0 */
- h->drv[drv_index]->block_size = drvinfo->block_size;
- h->drv[drv_index]->nr_blocks = drvinfo->nr_blocks;
- h->drv[drv_index]->heads = drvinfo->heads;
- h->drv[drv_index]->sectors = drvinfo->sectors;
- h->drv[drv_index]->cylinders = drvinfo->cylinders;
- h->drv[drv_index]->raid_level = drvinfo->raid_level;
- memcpy(h->drv[drv_index]->serial_no, drvinfo->serial_no, 16);
- memcpy(h->drv[drv_index]->vendor, drvinfo->vendor,
- VENDOR_LEN + 1);
- memcpy(h->drv[drv_index]->model, drvinfo->model, MODEL_LEN + 1);
- memcpy(h->drv[drv_index]->rev, drvinfo->rev, REV_LEN + 1);
- }
-
- ++h->num_luns;
- disk = h->gendisk[drv_index];
- set_capacity(disk, h->drv[drv_index]->nr_blocks);
-
- /* If it's not disk 0 (drv_index != 0)
- * or if it was disk 0, but there was previously
- * no actual corresponding configured logical drive
- * (raid_leve == -1) then we want to update the
- * logical drive's information.
- */
- if (drv_index || first_time) {
- if (cciss_add_disk(h, disk, drv_index) != 0) {
- cciss_free_gendisk(h, drv_index);
- cciss_free_drive_info(h, drv_index);
- dev_warn(&h->pdev->dev, "could not update disk %d\n",
- drv_index);
- --h->num_luns;
- }
- }
-
-freeret:
- kfree(inq_buff);
- kfree(drvinfo);
- return;
-mem_msg:
- dev_err(&h->pdev->dev, "out of memory\n");
- goto freeret;
-}
-
-/* This function will find the first index of the controllers drive array
- * that has a null drv pointer and allocate the drive info struct and
- * will return that index This is where new drives will be added.
- * If the index to be returned is greater than the highest_lun index for
- * the controller then highest_lun is set * to this new index.
- * If there are no available indexes or if tha allocation fails, then -1
- * is returned. * "controller_node" is used to know if this is a real
- * logical drive, or just the controller node, which determines if this
- * counts towards highest_lun.
- */
-static int cciss_alloc_drive_info(ctlr_info_t *h, int controller_node)
-{
- int i;
- drive_info_struct *drv;
-
- /* Search for an empty slot for our drive info */
- for (i = 0; i < CISS_MAX_LUN; i++) {
-
- /* if not cxd0 case, and it's occupied, skip it. */
- if (h->drv[i] && i != 0)
- continue;
- /*
- * If it's cxd0 case, and drv is alloc'ed already, and a
- * disk is configured there, skip it.
- */
- if (i == 0 && h->drv[i] && h->drv[i]->raid_level != -1)
- continue;
-
- /*
- * We've found an empty slot. Update highest_lun
- * provided this isn't just the fake cxd0 controller node.
- */
- if (i > h->highest_lun && !controller_node)
- h->highest_lun = i;
-
- /* If adding a real disk at cxd0, and it's already alloc'ed */
- if (i == 0 && h->drv[i] != NULL)
- return i;
-
- /*
- * Found an empty slot, not already alloc'ed. Allocate it.
- * Mark it with raid_level == -1, so we know it's new later on.
- */
- drv = kzalloc(sizeof(*drv), GFP_KERNEL);
- if (!drv)
- return -1;
- drv->raid_level = -1; /* so we know it's new */
- h->drv[i] = drv;
- return i;
- }
- return -1;
-}
-
-static void cciss_free_drive_info(ctlr_info_t *h, int drv_index)
-{
- kfree(h->drv[drv_index]);
- h->drv[drv_index] = NULL;
-}
-
-static void cciss_free_gendisk(ctlr_info_t *h, int drv_index)
-{
- put_disk(h->gendisk[drv_index]);
- h->gendisk[drv_index] = NULL;
-}
-
-/* cciss_add_gendisk finds a free hba[]->drv structure
- * and allocates a gendisk if needed, and sets the lunid
- * in the drvinfo structure. It returns the index into
- * the ->drv[] array, or -1 if none are free.
- * is_controller_node indicates whether highest_lun should
- * count this disk, or if it's only being added to provide
- * a means to talk to the controller in case no logical
- * drives have yet been configured.
- */
-static int cciss_add_gendisk(ctlr_info_t *h, unsigned char lunid[],
- int controller_node)
-{
- int drv_index;
-
- drv_index = cciss_alloc_drive_info(h, controller_node);
- if (drv_index == -1)
- return -1;
-
- /*Check if the gendisk needs to be allocated */
- if (!h->gendisk[drv_index]) {
- h->gendisk[drv_index] =
- alloc_disk(1 << NWD_SHIFT);
- if (!h->gendisk[drv_index]) {
- dev_err(&h->pdev->dev,
- "could not allocate a new disk %d\n",
- drv_index);
- goto err_free_drive_info;
- }
- }
- memcpy(h->drv[drv_index]->LunID, lunid,
- sizeof(h->drv[drv_index]->LunID));
- if (cciss_create_ld_sysfs_entry(h, drv_index))
- goto err_free_disk;
- /* Don't need to mark this busy because nobody */
- /* else knows about this disk yet to contend */
- /* for access to it. */
- h->drv[drv_index]->busy_configuring = 0;
- wmb();
- return drv_index;
-
-err_free_disk:
- cciss_free_gendisk(h, drv_index);
-err_free_drive_info:
- cciss_free_drive_info(h, drv_index);
- return -1;
-}
-
-/* This is for the special case of a controller which
- * has no logical drives. In this case, we still need
- * to register a disk so the controller can be accessed
- * by the Array Config Utility.
- */
-static void cciss_add_controller_node(ctlr_info_t *h)
-{
- struct gendisk *disk;
- int drv_index;
-
- if (h->gendisk[0] != NULL) /* already did this? Then bail. */
- return;
-
- drv_index = cciss_add_gendisk(h, CTLR_LUNID, 1);
- if (drv_index == -1)
- goto error;
- h->drv[drv_index]->block_size = 512;
- h->drv[drv_index]->nr_blocks = 0;
- h->drv[drv_index]->heads = 0;
- h->drv[drv_index]->sectors = 0;
- h->drv[drv_index]->cylinders = 0;
- h->drv[drv_index]->raid_level = -1;
- memset(h->drv[drv_index]->serial_no, 0, 16);
- disk = h->gendisk[drv_index];
- if (cciss_add_disk(h, disk, drv_index) == 0)
- return;
- cciss_free_gendisk(h, drv_index);
- cciss_free_drive_info(h, drv_index);
-error:
- dev_warn(&h->pdev->dev, "could not add disk 0.\n");
- return;
-}
-
-/* This function will add and remove logical drives from the Logical
- * drive array of the controller and maintain persistency of ordering
- * so that mount points are preserved until the next reboot. This allows
- * for the removal of logical drives in the middle of the drive array
- * without a re-ordering of those drives.
- * INPUT
- * h = The controller to perform the operations on
- */
-static int rebuild_lun_table(ctlr_info_t *h, int first_time,
- int via_ioctl)
-{
- int num_luns;
- ReportLunData_struct *ld_buff = NULL;
- int return_code;
- int listlength = 0;
- int i;
- int drv_found;
- int drv_index = 0;
- unsigned char lunid[8] = CTLR_LUNID;
- unsigned long flags;
-
- if (!capable(CAP_SYS_RAWIO))
- return -EPERM;
-
- /* Set busy_configuring flag for this operation */
- spin_lock_irqsave(&h->lock, flags);
- if (h->busy_configuring) {
- spin_unlock_irqrestore(&h->lock, flags);
- return -EBUSY;
- }
- h->busy_configuring = 1;
- spin_unlock_irqrestore(&h->lock, flags);
-
- ld_buff = kzalloc(sizeof(ReportLunData_struct), GFP_KERNEL);
- if (ld_buff == NULL)
- goto mem_msg;
-
- return_code = sendcmd_withirq(h, CISS_REPORT_LOG, ld_buff,
- sizeof(ReportLunData_struct),
- 0, CTLR_LUNID, TYPE_CMD);
-
- if (return_code == IO_OK)
- listlength = be32_to_cpu(*(__be32 *) ld_buff->LUNListLength);
- else { /* reading number of logical volumes failed */
- dev_warn(&h->pdev->dev,
- "report logical volume command failed\n");
- listlength = 0;
- goto freeret;
- }
-
- num_luns = listlength / 8; /* 8 bytes per entry */
- if (num_luns > CISS_MAX_LUN) {
- num_luns = CISS_MAX_LUN;
- dev_warn(&h->pdev->dev, "more luns configured"
- " on controller than can be handled by"
- " this driver.\n");
- }
-
- if (num_luns == 0)
- cciss_add_controller_node(h);
-
- /* Compare controller drive array to driver's drive array
- * to see if any drives are missing on the controller due
- * to action of Array Config Utility (user deletes drive)
- * and deregister logical drives which have disappeared.
- */
- for (i = 0; i <= h->highest_lun; i++) {
- int j;
- drv_found = 0;
-
- /* skip holes in the array from already deleted drives */
- if (h->drv[i] == NULL)
- continue;
-
- for (j = 0; j < num_luns; j++) {
- memcpy(lunid, &ld_buff->LUN[j][0], sizeof(lunid));
- if (memcmp(h->drv[i]->LunID, lunid,
- sizeof(lunid)) == 0) {
- drv_found = 1;
- break;
- }
- }
- if (!drv_found) {
- /* Deregister it from the OS, it's gone. */
- spin_lock_irqsave(&h->lock, flags);
- h->drv[i]->busy_configuring = 1;
- spin_unlock_irqrestore(&h->lock, flags);
- return_code = deregister_disk(h, i, 1, via_ioctl);
- if (h->drv[i] != NULL)
- h->drv[i]->busy_configuring = 0;
- }
- }
-
- /* Compare controller drive array to driver's drive array.
- * Check for updates in the drive information and any new drives
- * on the controller due to ACU adding logical drives, or changing
- * a logical drive's size, etc. Reregister any new/changed drives
- */
- for (i = 0; i < num_luns; i++) {
- int j;
-
- drv_found = 0;
-
- memcpy(lunid, &ld_buff->LUN[i][0], sizeof(lunid));
- /* Find if the LUN is already in the drive array
- * of the driver. If so then update its info
- * if not in use. If it does not exist then find
- * the first free index and add it.
- */
- for (j = 0; j <= h->highest_lun; j++) {
- if (h->drv[j] != NULL &&
- memcmp(h->drv[j]->LunID, lunid,
- sizeof(h->drv[j]->LunID)) == 0) {
- drv_index = j;
- drv_found = 1;
- break;
- }
- }
-
- /* check if the drive was found already in the array */
- if (!drv_found) {
- drv_index = cciss_add_gendisk(h, lunid, 0);
- if (drv_index == -1)
- goto freeret;
- }
- cciss_update_drive_info(h, drv_index, first_time, via_ioctl);
- } /* end for */
-
-freeret:
- kfree(ld_buff);
- h->busy_configuring = 0;
- /* We return -1 here to tell the ACU that we have registered/updated
- * all of the drives that we can and to keep it from calling us
- * additional times.
- */
- return -1;
-mem_msg:
- dev_err(&h->pdev->dev, "out of memory\n");
- h->busy_configuring = 0;
- goto freeret;
-}
-
-static void cciss_clear_drive_info(drive_info_struct *drive_info)
-{
- /* zero out the disk size info */
- drive_info->nr_blocks = 0;
- drive_info->block_size = 0;
- drive_info->heads = 0;
- drive_info->sectors = 0;
- drive_info->cylinders = 0;
- drive_info->raid_level = -1;
- memset(drive_info->serial_no, 0, sizeof(drive_info->serial_no));
- memset(drive_info->model, 0, sizeof(drive_info->model));
- memset(drive_info->rev, 0, sizeof(drive_info->rev));
- memset(drive_info->vendor, 0, sizeof(drive_info->vendor));
- /*
- * don't clear the LUNID though, we need to remember which
- * one this one is.
- */
-}
-
-/* This function will deregister the disk and it's queue from the
- * kernel. It must be called with the controller lock held and the
- * drv structures busy_configuring flag set. It's parameters are:
- *
- * disk = This is the disk to be deregistered
- * drv = This is the drive_info_struct associated with the disk to be
- * deregistered. It contains information about the disk used
- * by the driver.
- * clear_all = This flag determines whether or not the disk information
- * is going to be completely cleared out and the highest_lun
- * reset. Sometimes we want to clear out information about
- * the disk in preparation for re-adding it. In this case
- * the highest_lun should be left unchanged and the LunID
- * should not be cleared.
- * via_ioctl
- * This indicates whether we've reached this path via ioctl.
- * This affects the maximum usage count allowed for c0d0 to be messed with.
- * If this path is reached via ioctl(), then the max_usage_count will
- * be 1, as the process calling ioctl() has got to have the device open.
- * If we get here via sysfs, then the max usage count will be zero.
-*/
-static int deregister_disk(ctlr_info_t *h, int drv_index,
- int clear_all, int via_ioctl)
-{
- int i;
- struct gendisk *disk;
- drive_info_struct *drv;
- int recalculate_highest_lun;
-
- if (!capable(CAP_SYS_RAWIO))
- return -EPERM;
-
- drv = h->drv[drv_index];
- disk = h->gendisk[drv_index];
-
- /* make sure logical volume is NOT is use */
- if (clear_all || (h->gendisk[0] == disk)) {
- if (drv->usage_count > via_ioctl)
- return -EBUSY;
- } else if (drv->usage_count > 0)
- return -EBUSY;
-
- recalculate_highest_lun = (drv == h->drv[h->highest_lun]);
-
- /* invalidate the devices and deregister the disk. If it is disk
- * zero do not deregister it but just zero out it's values. This
- * allows us to delete disk zero but keep the controller registered.
- */
- if (h->gendisk[0] != disk) {
- struct request_queue *q = disk->queue;
- if (disk->flags & GENHD_FL_UP) {
- cciss_destroy_ld_sysfs_entry(h, drv_index, 0);
- del_gendisk(disk);
- }
- if (q)
- blk_cleanup_queue(q);
- /* If clear_all is set then we are deleting the logical
- * drive, not just refreshing its info. For drives
- * other than disk 0 we will call put_disk. We do not
- * do this for disk 0 as we need it to be able to
- * configure the controller.
- */
- if (clear_all){
- /* This isn't pretty, but we need to find the
- * disk in our array and NULL our the pointer.
- * This is so that we will call alloc_disk if
- * this index is used again later.
- */
- for (i=0; i < CISS_MAX_LUN; i++){
- if (h->gendisk[i] == disk) {
- h->gendisk[i] = NULL;
- break;
- }
- }
- put_disk(disk);
- }
- } else {
- set_capacity(disk, 0);
- cciss_clear_drive_info(drv);
- }
-
- --h->num_luns;
-
- /* if it was the last disk, find the new hightest lun */
- if (clear_all && recalculate_highest_lun) {
- int newhighest = -1;
- for (i = 0; i <= h->highest_lun; i++) {
- /* if the disk has size > 0, it is available */
- if (h->drv[i] && h->drv[i]->heads)
- newhighest = i;
- }
- h->highest_lun = newhighest;
- }
- return 0;
-}
-
-static int fill_cmd(ctlr_info_t *h, CommandList_struct *c, __u8 cmd, void *buff,
- size_t size, __u8 page_code, unsigned char *scsi3addr,
- int cmd_type)
-{
- u64bit buff_dma_handle;
- int status = IO_OK;
-
- c->cmd_type = CMD_IOCTL_PEND;
- c->Header.ReplyQueue = 0;
- if (buff != NULL) {
- c->Header.SGList = 1;
- c->Header.SGTotal = 1;
- } else {
- c->Header.SGList = 0;
- c->Header.SGTotal = 0;
- }
- c->Header.Tag.lower = c->busaddr;
- memcpy(c->Header.LUN.LunAddrBytes, scsi3addr, 8);
-
- c->Request.Type.Type = cmd_type;
- if (cmd_type == TYPE_CMD) {
- switch (cmd) {
- case CISS_INQUIRY:
- /* are we trying to read a vital product page */
- if (page_code != 0) {
- c->Request.CDB[1] = 0x01;
- c->Request.CDB[2] = page_code;
- }
- c->Request.CDBLen = 6;
- c->Request.Type.Attribute = ATTR_SIMPLE;
- c->Request.Type.Direction = XFER_READ;
- c->Request.Timeout = 0;
- c->Request.CDB[0] = CISS_INQUIRY;
- c->Request.CDB[4] = size & 0xFF;
- break;
- case CISS_REPORT_LOG:
- case CISS_REPORT_PHYS:
- /* Talking to controller so It's a physical command
- mode = 00 target = 0. Nothing to write.
- */
- c->Request.CDBLen = 12;
- c->Request.Type.Attribute = ATTR_SIMPLE;
- c->Request.Type.Direction = XFER_READ;
- c->Request.Timeout = 0;
- c->Request.CDB[0] = cmd;
- c->Request.CDB[6] = (size >> 24) & 0xFF; /* MSB */
- c->Request.CDB[7] = (size >> 16) & 0xFF;
- c->Request.CDB[8] = (size >> 8) & 0xFF;
- c->Request.CDB[9] = size & 0xFF;
- break;
-
- case CCISS_READ_CAPACITY:
- c->Request.CDBLen = 10;
- c->Request.Type.Attribute = ATTR_SIMPLE;
- c->Request.Type.Direction = XFER_READ;
- c->Request.Timeout = 0;
- c->Request.CDB[0] = cmd;
- break;
- case CCISS_READ_CAPACITY_16:
- c->Request.CDBLen = 16;
- c->Request.Type.Attribute = ATTR_SIMPLE;
- c->Request.Type.Direction = XFER_READ;
- c->Request.Timeout = 0;
- c->Request.CDB[0] = cmd;
- c->Request.CDB[1] = 0x10;
- c->Request.CDB[10] = (size >> 24) & 0xFF;
- c->Request.CDB[11] = (size >> 16) & 0xFF;
- c->Request.CDB[12] = (size >> 8) & 0xFF;
- c->Request.CDB[13] = size & 0xFF;
- c->Request.Timeout = 0;
- c->Request.CDB[0] = cmd;
- break;
- case CCISS_CACHE_FLUSH:
- c->Request.CDBLen = 12;
- c->Request.Type.Attribute = ATTR_SIMPLE;
- c->Request.Type.Direction = XFER_WRITE;
- c->Request.Timeout = 0;
- c->Request.CDB[0] = BMIC_WRITE;
- c->Request.CDB[6] = BMIC_CACHE_FLUSH;
- c->Request.CDB[7] = (size >> 8) & 0xFF;
- c->Request.CDB[8] = size & 0xFF;
- break;
- case TEST_UNIT_READY:
- c->Request.CDBLen = 6;
- c->Request.Type.Attribute = ATTR_SIMPLE;
- c->Request.Type.Direction = XFER_NONE;
- c->Request.Timeout = 0;
- break;
- default:
- dev_warn(&h->pdev->dev, "Unknown Command 0x%c\n", cmd);
- return IO_ERROR;
- }
- } else if (cmd_type == TYPE_MSG) {
- switch (cmd) {
- case CCISS_ABORT_MSG:
- c->Request.CDBLen = 12;
- c->Request.Type.Attribute = ATTR_SIMPLE;
- c->Request.Type.Direction = XFER_WRITE;
- c->Request.Timeout = 0;
- c->Request.CDB[0] = cmd; /* abort */
- c->Request.CDB[1] = 0; /* abort a command */
- /* buff contains the tag of the command to abort */
- memcpy(&c->Request.CDB[4], buff, 8);
- break;
- case CCISS_RESET_MSG:
- c->Request.CDBLen = 16;
- c->Request.Type.Attribute = ATTR_SIMPLE;
- c->Request.Type.Direction = XFER_NONE;
- c->Request.Timeout = 0;
- memset(&c->Request.CDB[0], 0, sizeof(c->Request.CDB));
- c->Request.CDB[0] = cmd; /* reset */
- c->Request.CDB[1] = CCISS_RESET_TYPE_TARGET;
- break;
- case CCISS_NOOP_MSG:
- c->Request.CDBLen = 1;
- c->Request.Type.Attribute = ATTR_SIMPLE;
- c->Request.Type.Direction = XFER_WRITE;
- c->Request.Timeout = 0;
- c->Request.CDB[0] = cmd;
- break;
- default:
- dev_warn(&h->pdev->dev,
- "unknown message type %d\n", cmd);
- return IO_ERROR;
- }
- } else {
- dev_warn(&h->pdev->dev, "unknown command type %d\n", cmd_type);
- return IO_ERROR;
- }
- /* Fill in the scatter gather information */
- if (size > 0) {
- buff_dma_handle.val = (__u64) pci_map_single(h->pdev,
- buff, size,
- PCI_DMA_BIDIRECTIONAL);
- c->SG[0].Addr.lower = buff_dma_handle.val32.lower;
- c->SG[0].Addr.upper = buff_dma_handle.val32.upper;
- c->SG[0].Len = size;
- c->SG[0].Ext = 0; /* we are not chaining */
- }
- return status;
-}
-
-static int cciss_send_reset(ctlr_info_t *h, unsigned char *scsi3addr,
- u8 reset_type)
-{
- CommandList_struct *c;
- int return_status;
-
- c = cmd_alloc(h);
- if (!c)
- return -ENOMEM;
- return_status = fill_cmd(h, c, CCISS_RESET_MSG, NULL, 0, 0,
- CTLR_LUNID, TYPE_MSG);
- c->Request.CDB[1] = reset_type; /* fill_cmd defaults to target reset */
- if (return_status != IO_OK) {
- cmd_special_free(h, c);
- return return_status;
- }
- c->waiting = NULL;
- enqueue_cmd_and_start_io(h, c);
- /* Don't wait for completion, the reset won't complete. Don't free
- * the command either. This is the last command we will send before
- * re-initializing everything, so it doesn't matter and won't leak.
- */
- return 0;
-}
-
-static int check_target_status(ctlr_info_t *h, CommandList_struct *c)
-{
- switch (c->err_info->ScsiStatus) {
- case SAM_STAT_GOOD:
- return IO_OK;
- case SAM_STAT_CHECK_CONDITION:
- switch (0xf & c->err_info->SenseInfo[2]) {
- case 0: return IO_OK; /* no sense */
- case 1: return IO_OK; /* recovered error */
- default:
- if (check_for_unit_attention(h, c))
- return IO_NEEDS_RETRY;
- dev_warn(&h->pdev->dev, "cmd 0x%02x "
- "check condition, sense key = 0x%02x\n",
- c->Request.CDB[0], c->err_info->SenseInfo[2]);
- }
- break;
- default:
- dev_warn(&h->pdev->dev, "cmd 0x%02x"
- "scsi status = 0x%02x\n",
- c->Request.CDB[0], c->err_info->ScsiStatus);
- break;
- }
- return IO_ERROR;
-}
-
-static int process_sendcmd_error(ctlr_info_t *h, CommandList_struct *c)
-{
- int return_status = IO_OK;
-
- if (c->err_info->CommandStatus == CMD_SUCCESS)
- return IO_OK;
-
- switch (c->err_info->CommandStatus) {
- case CMD_TARGET_STATUS:
- return_status = check_target_status(h, c);
- break;
- case CMD_DATA_UNDERRUN:
- case CMD_DATA_OVERRUN:
- /* expected for inquiry and report lun commands */
- break;
- case CMD_INVALID:
- dev_warn(&h->pdev->dev, "cmd 0x%02x is "
- "reported invalid\n", c->Request.CDB[0]);
- return_status = IO_ERROR;
- break;
- case CMD_PROTOCOL_ERR:
- dev_warn(&h->pdev->dev, "cmd 0x%02x has "
- "protocol error\n", c->Request.CDB[0]);
- return_status = IO_ERROR;
- break;
- case CMD_HARDWARE_ERR:
- dev_warn(&h->pdev->dev, "cmd 0x%02x had "
- " hardware error\n", c->Request.CDB[0]);
- return_status = IO_ERROR;
- break;
- case CMD_CONNECTION_LOST:
- dev_warn(&h->pdev->dev, "cmd 0x%02x had "
- "connection lost\n", c->Request.CDB[0]);
- return_status = IO_ERROR;
- break;
- case CMD_ABORTED:
- dev_warn(&h->pdev->dev, "cmd 0x%02x was "
- "aborted\n", c->Request.CDB[0]);
- return_status = IO_ERROR;
- break;
- case CMD_ABORT_FAILED:
- dev_warn(&h->pdev->dev, "cmd 0x%02x reports "
- "abort failed\n", c->Request.CDB[0]);
- return_status = IO_ERROR;
- break;
- case CMD_UNSOLICITED_ABORT:
- dev_warn(&h->pdev->dev, "unsolicited abort 0x%02x\n",
- c->Request.CDB[0]);
- return_status = IO_NEEDS_RETRY;
- break;
- case CMD_UNABORTABLE:
- dev_warn(&h->pdev->dev, "cmd unabortable\n");
- return_status = IO_ERROR;
- break;
- default:
- dev_warn(&h->pdev->dev, "cmd 0x%02x returned "
- "unknown status %x\n", c->Request.CDB[0],
- c->err_info->CommandStatus);
- return_status = IO_ERROR;
- }
- return return_status;
-}
-
-static int sendcmd_withirq_core(ctlr_info_t *h, CommandList_struct *c,
- int attempt_retry)
-{
- DECLARE_COMPLETION_ONSTACK(wait);
- u64bit buff_dma_handle;
- int return_status = IO_OK;
-
-resend_cmd2:
- c->waiting = &wait;
- enqueue_cmd_and_start_io(h, c);
-
- wait_for_completion(&wait);
-
- if (c->err_info->CommandStatus == 0 || !attempt_retry)
- goto command_done;
-
- return_status = process_sendcmd_error(h, c);
-
- if (return_status == IO_NEEDS_RETRY &&
- c->retry_count < MAX_CMD_RETRIES) {
- dev_warn(&h->pdev->dev, "retrying 0x%02x\n",
- c->Request.CDB[0]);
- c->retry_count++;
- /* erase the old error information */
- memset(c->err_info, 0, sizeof(ErrorInfo_struct));
- return_status = IO_OK;
- reinit_completion(&wait);
- goto resend_cmd2;
- }
-
-command_done:
- /* unlock the buffers from DMA */
- buff_dma_handle.val32.lower = c->SG[0].Addr.lower;
- buff_dma_handle.val32.upper = c->SG[0].Addr.upper;
- pci_unmap_single(h->pdev, (dma_addr_t) buff_dma_handle.val,
- c->SG[0].Len, PCI_DMA_BIDIRECTIONAL);
- return return_status;
-}
-
-static int sendcmd_withirq(ctlr_info_t *h, __u8 cmd, void *buff, size_t size,
- __u8 page_code, unsigned char scsi3addr[],
- int cmd_type)
-{
- CommandList_struct *c;
- int return_status;
-
- c = cmd_special_alloc(h);
- if (!c)
- return -ENOMEM;
- return_status = fill_cmd(h, c, cmd, buff, size, page_code,
- scsi3addr, cmd_type);
- if (return_status == IO_OK)
- return_status = sendcmd_withirq_core(h, c, 1);
-
- cmd_special_free(h, c);
- return return_status;
-}
-
-static void cciss_geometry_inquiry(ctlr_info_t *h, int logvol,
- sector_t total_size,
- unsigned int block_size,
- InquiryData_struct *inq_buff,
- drive_info_struct *drv)
-{
- int return_code;
- unsigned long t;
- unsigned char scsi3addr[8];
-
- memset(inq_buff, 0, sizeof(InquiryData_struct));
- log_unit_to_scsi3addr(h, scsi3addr, logvol);
- return_code = sendcmd_withirq(h, CISS_INQUIRY, inq_buff,
- sizeof(*inq_buff), 0xC1, scsi3addr, TYPE_CMD);
- if (return_code == IO_OK) {
- if (inq_buff->data_byte[8] == 0xFF) {
- dev_warn(&h->pdev->dev,
- "reading geometry failed, volume "
- "does not support reading geometry\n");
- drv->heads = 255;
- drv->sectors = 32; /* Sectors per track */
- drv->cylinders = total_size + 1;
- drv->raid_level = RAID_UNKNOWN;
- } else {
- drv->heads = inq_buff->data_byte[6];
- drv->sectors = inq_buff->data_byte[7];
- drv->cylinders = (inq_buff->data_byte[4] & 0xff) << 8;
- drv->cylinders += inq_buff->data_byte[5];
- drv->raid_level = inq_buff->data_byte[8];
- }
- drv->block_size = block_size;
- drv->nr_blocks = total_size + 1;
- t = drv->heads * drv->sectors;
- if (t > 1) {
- sector_t real_size = total_size + 1;
- unsigned long rem = sector_div(real_size, t);
- if (rem)
- real_size++;
- drv->cylinders = real_size;
- }
- } else { /* Get geometry failed */
- dev_warn(&h->pdev->dev, "reading geometry failed\n");
- }
-}
-
-static void
-cciss_read_capacity(ctlr_info_t *h, int logvol, sector_t *total_size,
- unsigned int *block_size)
-{
- ReadCapdata_struct *buf;
- int return_code;
- unsigned char scsi3addr[8];
-
- buf = kzalloc(sizeof(ReadCapdata_struct), GFP_KERNEL);
- if (!buf) {
- dev_warn(&h->pdev->dev, "out of memory\n");
- return;
- }
-
- log_unit_to_scsi3addr(h, scsi3addr, logvol);
- return_code = sendcmd_withirq(h, CCISS_READ_CAPACITY, buf,
- sizeof(ReadCapdata_struct), 0, scsi3addr, TYPE_CMD);
- if (return_code == IO_OK) {
- *total_size = be32_to_cpu(*(__be32 *) buf->total_size);
- *block_size = be32_to_cpu(*(__be32 *) buf->block_size);
- } else { /* read capacity command failed */
- dev_warn(&h->pdev->dev, "read capacity failed\n");
- *total_size = 0;
- *block_size = BLOCK_SIZE;
- }
- kfree(buf);
-}
-
-static void cciss_read_capacity_16(ctlr_info_t *h, int logvol,
- sector_t *total_size, unsigned int *block_size)
-{
- ReadCapdata_struct_16 *buf;
- int return_code;
- unsigned char scsi3addr[8];
-
- buf = kzalloc(sizeof(ReadCapdata_struct_16), GFP_KERNEL);
- if (!buf) {
- dev_warn(&h->pdev->dev, "out of memory\n");
- return;
- }
-
- log_unit_to_scsi3addr(h, scsi3addr, logvol);
- return_code = sendcmd_withirq(h, CCISS_READ_CAPACITY_16,
- buf, sizeof(ReadCapdata_struct_16),
- 0, scsi3addr, TYPE_CMD);
- if (return_code == IO_OK) {
- *total_size = be64_to_cpu(*(__be64 *) buf->total_size);
- *block_size = be32_to_cpu(*(__be32 *) buf->block_size);
- } else { /* read capacity command failed */
- dev_warn(&h->pdev->dev, "read capacity failed\n");
- *total_size = 0;
- *block_size = BLOCK_SIZE;
- }
- dev_info(&h->pdev->dev, " blocks= %llu block_size= %d\n",
- (unsigned long long)*total_size+1, *block_size);
- kfree(buf);
-}
-
-static int cciss_revalidate(struct gendisk *disk)
-{
- ctlr_info_t *h = get_host(disk);
- drive_info_struct *drv = get_drv(disk);
- int logvol;
- int FOUND = 0;
- unsigned int block_size;
- sector_t total_size;
- InquiryData_struct *inq_buff = NULL;
-
- for (logvol = 0; logvol <= h->highest_lun; logvol++) {
- if (!h->drv[logvol])
- continue;
- if (memcmp(h->drv[logvol]->LunID, drv->LunID,
- sizeof(drv->LunID)) == 0) {
- FOUND = 1;
- break;
- }
- }
-
- if (!FOUND)
- return 1;
-
- inq_buff = kmalloc(sizeof(InquiryData_struct), GFP_KERNEL);
- if (inq_buff == NULL) {
- dev_warn(&h->pdev->dev, "out of memory\n");
- return 1;
- }
- if (h->cciss_read == CCISS_READ_10) {
- cciss_read_capacity(h, logvol,
- &total_size, &block_size);
- } else {
- cciss_read_capacity_16(h, logvol,
- &total_size, &block_size);
- }
- cciss_geometry_inquiry(h, logvol, total_size, block_size,
- inq_buff, drv);
-
- blk_queue_logical_block_size(drv->queue, drv->block_size);
- set_capacity(disk, drv->nr_blocks);
-
- kfree(inq_buff);
- return 0;
-}
-
-/*
- * Map (physical) PCI mem into (virtual) kernel space
- */
-static void __iomem *remap_pci_mem(ulong base, ulong size)
-{
- ulong page_base = ((ulong) base) & PAGE_MASK;
- ulong page_offs = ((ulong) base) - page_base;
- void __iomem *page_remapped = ioremap(page_base, page_offs + size);
-
- return page_remapped ? (page_remapped + page_offs) : NULL;
-}
-
-/*
- * Takes jobs of the Q and sends them to the hardware, then puts it on
- * the Q to wait for completion.
- */
-static void start_io(ctlr_info_t *h)
-{
- CommandList_struct *c;
-
- while (!list_empty(&h->reqQ)) {
- c = list_entry(h->reqQ.next, CommandList_struct, list);
- /* can't do anything if fifo is full */
- if ((h->access.fifo_full(h))) {
- dev_warn(&h->pdev->dev, "fifo full\n");
- break;
- }
-
- /* Get the first entry from the Request Q */
- removeQ(c);
- h->Qdepth--;
-
- /* Tell the controller execute command */
- h->access.submit_command(h, c);
-
- /* Put job onto the completed Q */
- addQ(&h->cmpQ, c);
- }
-}
-
-/* Assumes that h->lock is held. */
-/* Zeros out the error record and then resends the command back */
-/* to the controller */
-static inline void resend_cciss_cmd(ctlr_info_t *h, CommandList_struct *c)
-{
- /* erase the old error information */
- memset(c->err_info, 0, sizeof(ErrorInfo_struct));
-
- /* add it to software queue and then send it to the controller */
- addQ(&h->reqQ, c);
- h->Qdepth++;
- if (h->Qdepth > h->maxQsinceinit)
- h->maxQsinceinit = h->Qdepth;
-
- start_io(h);
-}
-
-static inline unsigned int make_status_bytes(unsigned int scsi_status_byte,
- unsigned int msg_byte, unsigned int host_byte,
- unsigned int driver_byte)
-{
- /* inverse of macros in scsi.h */
- return (scsi_status_byte & 0xff) |
- ((msg_byte & 0xff) << 8) |
- ((host_byte & 0xff) << 16) |
- ((driver_byte & 0xff) << 24);
-}
-
-static inline int evaluate_target_status(ctlr_info_t *h,
- CommandList_struct *cmd, int *retry_cmd)
-{
- unsigned char sense_key;
- unsigned char status_byte, msg_byte, host_byte, driver_byte;
- int error_value;
-
- *retry_cmd = 0;
- /* If we get in here, it means we got "target status", that is, scsi status */
- status_byte = cmd->err_info->ScsiStatus;
- driver_byte = DRIVER_OK;
- msg_byte = cmd->err_info->CommandStatus; /* correct? seems too device specific */
-
- if (blk_rq_is_passthrough(cmd->rq))
- host_byte = DID_PASSTHROUGH;
- else
- host_byte = DID_OK;
-
- error_value = make_status_bytes(status_byte, msg_byte,
- host_byte, driver_byte);
-
- if (cmd->err_info->ScsiStatus != SAM_STAT_CHECK_CONDITION) {
- if (!blk_rq_is_passthrough(cmd->rq))
- dev_warn(&h->pdev->dev, "cmd %p "
- "has SCSI Status 0x%x\n",
- cmd, cmd->err_info->ScsiStatus);
- return error_value;
- }
-
- /* check the sense key */
- sense_key = 0xf & cmd->err_info->SenseInfo[2];
- /* no status or recovered error */
- if (((sense_key == 0x0) || (sense_key == 0x1)) &&
- !blk_rq_is_passthrough(cmd->rq))
- error_value = 0;
-
- if (check_for_unit_attention(h, cmd)) {
- *retry_cmd = !blk_rq_is_passthrough(cmd->rq);
- return 0;
- }
-
- /* Not SG_IO or similar? */
- if (!blk_rq_is_passthrough(cmd->rq)) {
- if (error_value != 0)
- dev_warn(&h->pdev->dev, "cmd %p has CHECK CONDITION"
- " sense key = 0x%x\n", cmd, sense_key);
- return error_value;
- }
-
- scsi_req(cmd->rq)->sense_len = cmd->err_info->SenseLen;
- return error_value;
-}
-
-/* checks the status of the job and calls complete buffers to mark all
- * buffers for the completed job. Note that this function does not need
- * to hold the hba/queue lock.
- */
-static inline void complete_command(ctlr_info_t *h, CommandList_struct *cmd,
- int timeout)
-{
- int retry_cmd = 0;
- struct request *rq = cmd->rq;
- struct scsi_request *sreq = scsi_req(rq);
-
- sreq->result = 0;
-
- if (timeout)
- sreq->result = make_status_bytes(0, 0, 0, DRIVER_TIMEOUT);
-
- if (cmd->err_info->CommandStatus == 0) /* no error has occurred */
- goto after_error_processing;
-
- switch (cmd->err_info->CommandStatus) {
- case CMD_TARGET_STATUS:
- sreq->result = evaluate_target_status(h, cmd, &retry_cmd);
- break;
- case CMD_DATA_UNDERRUN:
- if (!blk_rq_is_passthrough(cmd->rq)) {
- dev_warn(&h->pdev->dev, "cmd %p has"
- " completed with data underrun "
- "reported\n", cmd);
- }
- break;
- case CMD_DATA_OVERRUN:
- if (!blk_rq_is_passthrough(cmd->rq))
- dev_warn(&h->pdev->dev, "cciss: cmd %p has"
- " completed with data overrun "
- "reported\n", cmd);
- break;
- case CMD_INVALID:
- dev_warn(&h->pdev->dev, "cciss: cmd %p is "
- "reported invalid\n", cmd);
- sreq->result = make_status_bytes(SAM_STAT_GOOD,
- cmd->err_info->CommandStatus, DRIVER_OK,
- blk_rq_is_passthrough(cmd->rq) ?
- DID_PASSTHROUGH : DID_ERROR);
- break;
- case CMD_PROTOCOL_ERR:
- dev_warn(&h->pdev->dev, "cciss: cmd %p has "
- "protocol error\n", cmd);
- sreq->result = make_status_bytes(SAM_STAT_GOOD,
- cmd->err_info->CommandStatus, DRIVER_OK,
- blk_rq_is_passthrough(cmd->rq) ?
- DID_PASSTHROUGH : DID_ERROR);
- break;
- case CMD_HARDWARE_ERR:
- dev_warn(&h->pdev->dev, "cciss: cmd %p had "
- " hardware error\n", cmd);
- sreq->result = make_status_bytes(SAM_STAT_GOOD,
- cmd->err_info->CommandStatus, DRIVER_OK,
- blk_rq_is_passthrough(cmd->rq) ?
- DID_PASSTHROUGH : DID_ERROR);
- break;
- case CMD_CONNECTION_LOST:
- dev_warn(&h->pdev->dev, "cciss: cmd %p had "
- "connection lost\n", cmd);
- sreq->result = make_status_bytes(SAM_STAT_GOOD,
- cmd->err_info->CommandStatus, DRIVER_OK,
- blk_rq_is_passthrough(cmd->rq) ?
- DID_PASSTHROUGH : DID_ERROR);
- break;
- case CMD_ABORTED:
- dev_warn(&h->pdev->dev, "cciss: cmd %p was "
- "aborted\n", cmd);
- sreq->result = make_status_bytes(SAM_STAT_GOOD,
- cmd->err_info->CommandStatus, DRIVER_OK,
- blk_rq_is_passthrough(cmd->rq) ?
- DID_PASSTHROUGH : DID_ABORT);
- break;
- case CMD_ABORT_FAILED:
- dev_warn(&h->pdev->dev, "cciss: cmd %p reports "
- "abort failed\n", cmd);
- sreq->result = make_status_bytes(SAM_STAT_GOOD,
- cmd->err_info->CommandStatus, DRIVER_OK,
- blk_rq_is_passthrough(cmd->rq) ?
- DID_PASSTHROUGH : DID_ERROR);
- break;
- case CMD_UNSOLICITED_ABORT:
- dev_warn(&h->pdev->dev, "cciss%d: unsolicited "
- "abort %p\n", h->ctlr, cmd);
- if (cmd->retry_count < MAX_CMD_RETRIES) {
- retry_cmd = 1;
- dev_warn(&h->pdev->dev, "retrying %p\n", cmd);
- cmd->retry_count++;
- } else
- dev_warn(&h->pdev->dev,
- "%p retried too many times\n", cmd);
- sreq->result = make_status_bytes(SAM_STAT_GOOD,
- cmd->err_info->CommandStatus, DRIVER_OK,
- blk_rq_is_passthrough(cmd->rq) ?
- DID_PASSTHROUGH : DID_ABORT);
- break;
- case CMD_TIMEOUT:
- dev_warn(&h->pdev->dev, "cmd %p timedout\n", cmd);
- sreq->result = make_status_bytes(SAM_STAT_GOOD,
- cmd->err_info->CommandStatus, DRIVER_OK,
- blk_rq_is_passthrough(cmd->rq) ?
- DID_PASSTHROUGH : DID_ERROR);
- break;
- case CMD_UNABORTABLE:
- dev_warn(&h->pdev->dev, "cmd %p unabortable\n", cmd);
- sreq->result = make_status_bytes(SAM_STAT_GOOD,
- cmd->err_info->CommandStatus, DRIVER_OK,
- blk_rq_is_passthrough(cmd->rq) ?
- DID_PASSTHROUGH : DID_ERROR);
- break;
- default:
- dev_warn(&h->pdev->dev, "cmd %p returned "
- "unknown status %x\n", cmd,
- cmd->err_info->CommandStatus);
- sreq->result = make_status_bytes(SAM_STAT_GOOD,
- cmd->err_info->CommandStatus, DRIVER_OK,
- blk_rq_is_passthrough(cmd->rq) ?
- DID_PASSTHROUGH : DID_ERROR);
- }
-
-after_error_processing:
-
- /* We need to return this command */
- if (retry_cmd) {
- resend_cciss_cmd(h, cmd);
- return;
- }
- cmd->rq->completion_data = cmd;
- blk_complete_request(cmd->rq);
-}
-
-static inline u32 cciss_tag_contains_index(u32 tag)
-{
-#define DIRECT_LOOKUP_BIT 0x10
- return tag & DIRECT_LOOKUP_BIT;
-}
-
-static inline u32 cciss_tag_to_index(u32 tag)
-{
-#define DIRECT_LOOKUP_SHIFT 5
- return tag >> DIRECT_LOOKUP_SHIFT;
-}
-
-static inline u32 cciss_tag_discard_error_bits(ctlr_info_t *h, u32 tag)
-{
-#define CCISS_PERF_ERROR_BITS ((1 << DIRECT_LOOKUP_SHIFT) - 1)
-#define CCISS_SIMPLE_ERROR_BITS 0x03
- if (likely(h->transMethod & CFGTBL_Trans_Performant))
- return tag & ~CCISS_PERF_ERROR_BITS;
- return tag & ~CCISS_SIMPLE_ERROR_BITS;
-}
-
-static inline void cciss_mark_tag_indexed(u32 *tag)
-{
- *tag |= DIRECT_LOOKUP_BIT;
-}
-
-static inline void cciss_set_tag_index(u32 *tag, u32 index)
-{
- *tag |= (index << DIRECT_LOOKUP_SHIFT);
-}
-
-/*
- * Get a request and submit it to the controller.
- */
-static void do_cciss_request(struct request_queue *q)
-{
- ctlr_info_t *h = q->queuedata;
- CommandList_struct *c;
- sector_t start_blk;
- int seg;
- struct request *creq;
- u64bit temp64;
- struct scatterlist *tmp_sg;
- SGDescriptor_struct *curr_sg;
- drive_info_struct *drv;
- int i, dir;
- int sg_index = 0;
- int chained = 0;
-
- queue:
- creq = blk_peek_request(q);
- if (!creq)
- goto startio;
-
- BUG_ON(creq->nr_phys_segments > h->maxsgentries);
-
- c = cmd_alloc(h);
- if (!c)
- goto full;
-
- blk_start_request(creq);
-
- tmp_sg = h->scatter_list[c->cmdindex];
- spin_unlock_irq(q->queue_lock);
-
- c->cmd_type = CMD_RWREQ;
- c->rq = creq;
-
- /* fill in the request */
- drv = creq->rq_disk->private_data;
- c->Header.ReplyQueue = 0; /* unused in simple mode */
- /* got command from pool, so use the command block index instead */
- /* for direct lookups. */
- /* The first 2 bits are reserved for controller error reporting. */
- cciss_set_tag_index(&c->Header.Tag.lower, c->cmdindex);
- cciss_mark_tag_indexed(&c->Header.Tag.lower);
- memcpy(&c->Header.LUN, drv->LunID, sizeof(drv->LunID));
- c->Request.CDBLen = 10; /* 12 byte commands not in FW yet; */
- c->Request.Type.Type = TYPE_CMD; /* It is a command. */
- c->Request.Type.Attribute = ATTR_SIMPLE;
- c->Request.Type.Direction =
- (rq_data_dir(creq) == READ) ? XFER_READ : XFER_WRITE;
- c->Request.Timeout = 0; /* Don't time out */
- c->Request.CDB[0] =
- (rq_data_dir(creq) == READ) ? h->cciss_read : h->cciss_write;
- start_blk = blk_rq_pos(creq);
- dev_dbg(&h->pdev->dev, "sector =%d nr_sectors=%d\n",
- (int)blk_rq_pos(creq), (int)blk_rq_sectors(creq));
- sg_init_table(tmp_sg, h->maxsgentries);
- seg = blk_rq_map_sg(q, creq, tmp_sg);
-
- /* get the DMA records for the setup */
- if (c->Request.Type.Direction == XFER_READ)
- dir = PCI_DMA_FROMDEVICE;
- else
- dir = PCI_DMA_TODEVICE;
-
- curr_sg = c->SG;
- sg_index = 0;
- chained = 0;
-
- for (i = 0; i < seg; i++) {
- if (((sg_index+1) == (h->max_cmd_sgentries)) &&
- !chained && ((seg - i) > 1)) {
- /* Point to next chain block. */
- curr_sg = h->cmd_sg_list[c->cmdindex];
- sg_index = 0;
- chained = 1;
- }
- curr_sg[sg_index].Len = tmp_sg[i].length;
- temp64.val = (__u64) pci_map_page(h->pdev, sg_page(&tmp_sg[i]),
- tmp_sg[i].offset,
- tmp_sg[i].length, dir);
- if (dma_mapping_error(&h->pdev->dev, temp64.val)) {
- dev_warn(&h->pdev->dev,
- "%s: error mapping page for DMA\n", __func__);
- scsi_req(creq)->result =
- make_status_bytes(SAM_STAT_GOOD, 0, DRIVER_OK,
- DID_SOFT_ERROR);
- cmd_free(h, c);
- return;
- }
- curr_sg[sg_index].Addr.lower = temp64.val32.lower;
- curr_sg[sg_index].Addr.upper = temp64.val32.upper;
- curr_sg[sg_index].Ext = 0; /* we are not chaining */
- ++sg_index;
- }
- if (chained) {
- if (cciss_map_sg_chain_block(h, c, h->cmd_sg_list[c->cmdindex],
- (seg - (h->max_cmd_sgentries - 1)) *
- sizeof(SGDescriptor_struct))) {
- scsi_req(creq)->result =
- make_status_bytes(SAM_STAT_GOOD, 0, DRIVER_OK,
- DID_SOFT_ERROR);
- cmd_free(h, c);
- return;
- }
- }
-
- /* track how many SG entries we are using */
- if (seg > h->maxSG)
- h->maxSG = seg;
-
- dev_dbg(&h->pdev->dev, "Submitting %u sectors in %d segments "
- "chained[%d]\n",
- blk_rq_sectors(creq), seg, chained);
-
- c->Header.SGTotal = seg + chained;
- if (seg <= h->max_cmd_sgentries)
- c->Header.SGList = c->Header.SGTotal;
- else
- c->Header.SGList = h->max_cmd_sgentries;
- set_performant_mode(h, c);
-
- switch (req_op(creq)) {
- case REQ_OP_READ:
- case REQ_OP_WRITE:
- if(h->cciss_read == CCISS_READ_10) {
- c->Request.CDB[1] = 0;
- c->Request.CDB[2] = (start_blk >> 24) & 0xff; /* MSB */
- c->Request.CDB[3] = (start_blk >> 16) & 0xff;
- c->Request.CDB[4] = (start_blk >> 8) & 0xff;
- c->Request.CDB[5] = start_blk & 0xff;
- c->Request.CDB[6] = 0; /* (sect >> 24) & 0xff; MSB */
- c->Request.CDB[7] = (blk_rq_sectors(creq) >> 8) & 0xff;
- c->Request.CDB[8] = blk_rq_sectors(creq) & 0xff;
- c->Request.CDB[9] = c->Request.CDB[11] = c->Request.CDB[12] = 0;
- } else {
- u32 upper32 = upper_32_bits(start_blk);
-
- c->Request.CDBLen = 16;
- c->Request.CDB[1]= 0;
- c->Request.CDB[2]= (upper32 >> 24) & 0xff; /* MSB */
- c->Request.CDB[3]= (upper32 >> 16) & 0xff;
- c->Request.CDB[4]= (upper32 >> 8) & 0xff;
- c->Request.CDB[5]= upper32 & 0xff;
- c->Request.CDB[6]= (start_blk >> 24) & 0xff;
- c->Request.CDB[7]= (start_blk >> 16) & 0xff;
- c->Request.CDB[8]= (start_blk >> 8) & 0xff;
- c->Request.CDB[9]= start_blk & 0xff;
- c->Request.CDB[10]= (blk_rq_sectors(creq) >> 24) & 0xff;
- c->Request.CDB[11]= (blk_rq_sectors(creq) >> 16) & 0xff;
- c->Request.CDB[12]= (blk_rq_sectors(creq) >> 8) & 0xff;
- c->Request.CDB[13]= blk_rq_sectors(creq) & 0xff;
- c->Request.CDB[14] = c->Request.CDB[15] = 0;
- }
- break;
- case REQ_OP_SCSI_IN:
- case REQ_OP_SCSI_OUT:
- c->Request.CDBLen = scsi_req(creq)->cmd_len;
- memcpy(c->Request.CDB, scsi_req(creq)->cmd, BLK_MAX_CDB);
- scsi_req(creq)->sense = c->err_info->SenseInfo;
- break;
- default:
- dev_warn(&h->pdev->dev, "bad request type %d\n",
- creq->cmd_flags);
- BUG();
- }
-
- spin_lock_irq(q->queue_lock);
-
- addQ(&h->reqQ, c);
- h->Qdepth++;
- if (h->Qdepth > h->maxQsinceinit)
- h->maxQsinceinit = h->Qdepth;
-
- goto queue;
-full:
- blk_stop_queue(q);
-startio:
- /* We will already have the driver lock here so not need
- * to lock it.
- */
- start_io(h);
-}
-
-static inline unsigned long get_next_completion(ctlr_info_t *h)
-{
- return h->access.command_completed(h);
-}
-
-static inline int interrupt_pending(ctlr_info_t *h)
-{
- return h->access.intr_pending(h);
-}
-
-static inline long interrupt_not_for_us(ctlr_info_t *h)
-{
- return ((h->access.intr_pending(h) == 0) ||
- (h->interrupts_enabled == 0));
-}
-
-static inline int bad_tag(ctlr_info_t *h, u32 tag_index,
- u32 raw_tag)
-{
- if (unlikely(tag_index >= h->nr_cmds)) {
- dev_warn(&h->pdev->dev, "bad tag 0x%08x ignored.\n", raw_tag);
- return 1;
- }
- return 0;
-}
-
-static inline void finish_cmd(ctlr_info_t *h, CommandList_struct *c,
- u32 raw_tag)
-{
- removeQ(c);
- if (likely(c->cmd_type == CMD_RWREQ))
- complete_command(h, c, 0);
- else if (c->cmd_type == CMD_IOCTL_PEND)
- complete(c->waiting);
-#ifdef CONFIG_CISS_SCSI_TAPE
- else if (c->cmd_type == CMD_SCSI)
- complete_scsi_command(c, 0, raw_tag);
-#endif
-}
-
-static inline u32 next_command(ctlr_info_t *h)
-{
- u32 a;
-
- if (unlikely(!(h->transMethod & CFGTBL_Trans_Performant)))
- return h->access.command_completed(h);
-
- if ((*(h->reply_pool_head) & 1) == (h->reply_pool_wraparound)) {
- a = *(h->reply_pool_head); /* Next cmd in ring buffer */
- (h->reply_pool_head)++;
- h->commands_outstanding--;
- } else {
- a = FIFO_EMPTY;
- }
- /* Check for wraparound */
- if (h->reply_pool_head == (h->reply_pool + h->max_commands)) {
- h->reply_pool_head = h->reply_pool;
- h->reply_pool_wraparound ^= 1;
- }
- return a;
-}
-
-/* process completion of an indexed ("direct lookup") command */
-static inline u32 process_indexed_cmd(ctlr_info_t *h, u32 raw_tag)
-{
- u32 tag_index;
- CommandList_struct *c;
-
- tag_index = cciss_tag_to_index(raw_tag);
- if (bad_tag(h, tag_index, raw_tag))
- return next_command(h);
- c = h->cmd_pool + tag_index;
- finish_cmd(h, c, raw_tag);
- return next_command(h);
-}
-
-/* process completion of a non-indexed command */
-static inline u32 process_nonindexed_cmd(ctlr_info_t *h, u32 raw_tag)
-{
- CommandList_struct *c = NULL;
- __u32 busaddr_masked, tag_masked;
-
- tag_masked = cciss_tag_discard_error_bits(h, raw_tag);
- list_for_each_entry(c, &h->cmpQ, list) {
- busaddr_masked = cciss_tag_discard_error_bits(h, c->busaddr);
- if (busaddr_masked == tag_masked) {
- finish_cmd(h, c, raw_tag);
- return next_command(h);
- }
- }
- bad_tag(h, h->nr_cmds + 1, raw_tag);
- return next_command(h);
-}
-
-/* Some controllers, like p400, will give us one interrupt
- * after a soft reset, even if we turned interrupts off.
- * Only need to check for this in the cciss_xxx_discard_completions
- * functions.
- */
-static int ignore_bogus_interrupt(ctlr_info_t *h)
-{
- if (likely(!reset_devices))
- return 0;
-
- if (likely(h->interrupts_enabled))
- return 0;
-
- dev_info(&h->pdev->dev, "Received interrupt while interrupts disabled "
- "(known firmware bug.) Ignoring.\n");
-
- return 1;
-}
-
-static irqreturn_t cciss_intx_discard_completions(int irq, void *dev_id)
-{
- ctlr_info_t *h = dev_id;
- unsigned long flags;
- u32 raw_tag;
-
- if (ignore_bogus_interrupt(h))
- return IRQ_NONE;
-
- if (interrupt_not_for_us(h))
- return IRQ_NONE;
- spin_lock_irqsave(&h->lock, flags);
- while (interrupt_pending(h)) {
- raw_tag = get_next_completion(h);
- while (raw_tag != FIFO_EMPTY)
- raw_tag = next_command(h);
- }
- spin_unlock_irqrestore(&h->lock, flags);
- return IRQ_HANDLED;
-}
-
-static irqreturn_t cciss_msix_discard_completions(int irq, void *dev_id)
-{
- ctlr_info_t *h = dev_id;
- unsigned long flags;
- u32 raw_tag;
-
- if (ignore_bogus_interrupt(h))
- return IRQ_NONE;
-
- spin_lock_irqsave(&h->lock, flags);
- raw_tag = get_next_completion(h);
- while (raw_tag != FIFO_EMPTY)
- raw_tag = next_command(h);
- spin_unlock_irqrestore(&h->lock, flags);
- return IRQ_HANDLED;
-}
-
-static irqreturn_t do_cciss_intx(int irq, void *dev_id)
-{
- ctlr_info_t *h = dev_id;
- unsigned long flags;
- u32 raw_tag;
-
- if (interrupt_not_for_us(h))
- return IRQ_NONE;
- spin_lock_irqsave(&h->lock, flags);
- while (interrupt_pending(h)) {
- raw_tag = get_next_completion(h);
- while (raw_tag != FIFO_EMPTY) {
- if (cciss_tag_contains_index(raw_tag))
- raw_tag = process_indexed_cmd(h, raw_tag);
- else
- raw_tag = process_nonindexed_cmd(h, raw_tag);
- }
- }
- spin_unlock_irqrestore(&h->lock, flags);
- return IRQ_HANDLED;
-}
-
-/* Add a second interrupt handler for MSI/MSI-X mode. In this mode we never
- * check the interrupt pending register because it is not set.
- */
-static irqreturn_t do_cciss_msix_intr(int irq, void *dev_id)
-{
- ctlr_info_t *h = dev_id;
- unsigned long flags;
- u32 raw_tag;
-
- spin_lock_irqsave(&h->lock, flags);
- raw_tag = get_next_completion(h);
- while (raw_tag != FIFO_EMPTY) {
- if (cciss_tag_contains_index(raw_tag))
- raw_tag = process_indexed_cmd(h, raw_tag);
- else
- raw_tag = process_nonindexed_cmd(h, raw_tag);
- }
- spin_unlock_irqrestore(&h->lock, flags);
- return IRQ_HANDLED;
-}
-
-/**
- * add_to_scan_list() - add controller to rescan queue
- * @h: Pointer to the controller.
- *
- * Adds the controller to the rescan queue if not already on the queue.
- *
- * returns 1 if added to the queue, 0 if skipped (could be on the
- * queue already, or the controller could be initializing or shutting
- * down).
- **/
-static int add_to_scan_list(struct ctlr_info *h)
-{
- struct ctlr_info *test_h;
- int found = 0;
- int ret = 0;
-
- if (h->busy_initializing)
- return 0;
-
- if (!mutex_trylock(&h->busy_shutting_down))
- return 0;
-
- mutex_lock(&scan_mutex);
- list_for_each_entry(test_h, &scan_q, scan_list) {
- if (test_h == h) {
- found = 1;
- break;
- }
- }
- if (!found && !h->busy_scanning) {
- reinit_completion(&h->scan_wait);
- list_add_tail(&h->scan_list, &scan_q);
- ret = 1;
- }
- mutex_unlock(&scan_mutex);
- mutex_unlock(&h->busy_shutting_down);
-
- return ret;
-}
-
-/**
- * remove_from_scan_list() - remove controller from rescan queue
- * @h: Pointer to the controller.
- *
- * Removes the controller from the rescan queue if present. Blocks if
- * the controller is currently conducting a rescan. The controller
- * can be in one of three states:
- * 1. Doesn't need a scan
- * 2. On the scan list, but not scanning yet (we remove it)
- * 3. Busy scanning (and not on the list). In this case we want to wait for
- * the scan to complete to make sure the scanning thread for this
- * controller is completely idle.
- **/
-static void remove_from_scan_list(struct ctlr_info *h)
-{
- struct ctlr_info *test_h, *tmp_h;
-
- mutex_lock(&scan_mutex);
- list_for_each_entry_safe(test_h, tmp_h, &scan_q, scan_list) {
- if (test_h == h) { /* state 2. */
- list_del(&h->scan_list);
- complete_all(&h->scan_wait);
- mutex_unlock(&scan_mutex);
- return;
- }
- }
- if (h->busy_scanning) { /* state 3. */
- mutex_unlock(&scan_mutex);
- wait_for_completion(&h->scan_wait);
- } else { /* state 1, nothing to do. */
- mutex_unlock(&scan_mutex);
- }
-}
-
-/**
- * scan_thread() - kernel thread used to rescan controllers
- * @data: Ignored.
- *
- * A kernel thread used scan for drive topology changes on
- * controllers. The thread processes only one controller at a time
- * using a queue. Controllers are added to the queue using
- * add_to_scan_list() and removed from the queue either after done
- * processing or using remove_from_scan_list().
- *
- * returns 0.
- **/
-static int scan_thread(void *data)
-{
- struct ctlr_info *h;
-
- while (1) {
- set_current_state(TASK_INTERRUPTIBLE);
- schedule();
- if (kthread_should_stop())
- break;
-
- while (1) {
- mutex_lock(&scan_mutex);
- if (list_empty(&scan_q)) {
- mutex_unlock(&scan_mutex);
- break;
- }
-
- h = list_entry(scan_q.next,
- struct ctlr_info,
- scan_list);
- list_del(&h->scan_list);
- h->busy_scanning = 1;
- mutex_unlock(&scan_mutex);
-
- rebuild_lun_table(h, 0, 0);
- complete_all(&h->scan_wait);
- mutex_lock(&scan_mutex);
- h->busy_scanning = 0;
- mutex_unlock(&scan_mutex);
- }
- }
-
- return 0;
-}
-
-static int check_for_unit_attention(ctlr_info_t *h, CommandList_struct *c)
-{
- if (c->err_info->SenseInfo[2] != UNIT_ATTENTION)
- return 0;
-
- switch (c->err_info->SenseInfo[12]) {
- case STATE_CHANGED:
- dev_warn(&h->pdev->dev, "a state change "
- "detected, command retried\n");
- return 1;
- break;
- case LUN_FAILED:
- dev_warn(&h->pdev->dev, "LUN failure "
- "detected, action required\n");
- return 1;
- break;
- case REPORT_LUNS_CHANGED:
- dev_warn(&h->pdev->dev, "report LUN data changed\n");
- /*
- * Here, we could call add_to_scan_list and wake up the scan thread,
- * except that it's quite likely that we will get more than one
- * REPORT_LUNS_CHANGED condition in quick succession, which means
- * that those which occur after the first one will likely happen
- * *during* the scan_thread's rescan. And the rescan code is not
- * robust enough to restart in the middle, undoing what it has already
- * done, and it's not clear that it's even possible to do this, since
- * part of what it does is notify the block layer, which starts
- * doing it's own i/o to read partition tables and so on, and the
- * driver doesn't have visibility to know what might need undoing.
- * In any event, if possible, it is horribly complicated to get right
- * so we just don't do it for now.
- *
- * Note: this REPORT_LUNS_CHANGED condition only occurs on the MSA2012.
- */
- return 1;
- break;
- case POWER_OR_RESET:
- dev_warn(&h->pdev->dev,
- "a power on or device reset detected\n");
- return 1;
- break;
- case UNIT_ATTENTION_CLEARED:
- dev_warn(&h->pdev->dev,
- "unit attention cleared by another initiator\n");
- return 1;
- break;
- default:
- dev_warn(&h->pdev->dev, "unknown unit attention detected\n");
- return 1;
- }
-}
-
-/*
- * We cannot read the structure directly, for portability we must use
- * the io functions.
- * This is for debug only.
- */
-static void print_cfg_table(ctlr_info_t *h)
-{
- int i;
- char temp_name[17];
- CfgTable_struct *tb = h->cfgtable;
-
- dev_dbg(&h->pdev->dev, "Controller Configuration information\n");
- dev_dbg(&h->pdev->dev, "------------------------------------\n");
- for (i = 0; i < 4; i++)
- temp_name[i] = readb(&(tb->Signature[i]));
- temp_name[4] = '\0';
- dev_dbg(&h->pdev->dev, " Signature = %s\n", temp_name);
- dev_dbg(&h->pdev->dev, " Spec Number = %d\n",
- readl(&(tb->SpecValence)));
- dev_dbg(&h->pdev->dev, " Transport methods supported = 0x%x\n",
- readl(&(tb->TransportSupport)));
- dev_dbg(&h->pdev->dev, " Transport methods active = 0x%x\n",
- readl(&(tb->TransportActive)));
- dev_dbg(&h->pdev->dev, " Requested transport Method = 0x%x\n",
- readl(&(tb->HostWrite.TransportRequest)));
- dev_dbg(&h->pdev->dev, " Coalesce Interrupt Delay = 0x%x\n",
- readl(&(tb->HostWrite.CoalIntDelay)));
- dev_dbg(&h->pdev->dev, " Coalesce Interrupt Count = 0x%x\n",
- readl(&(tb->HostWrite.CoalIntCount)));
- dev_dbg(&h->pdev->dev, " Max outstanding commands = 0x%x\n",
- readl(&(tb->CmdsOutMax)));
- dev_dbg(&h->pdev->dev, " Bus Types = 0x%x\n",
- readl(&(tb->BusTypes)));
- for (i = 0; i < 16; i++)
- temp_name[i] = readb(&(tb->ServerName[i]));
- temp_name[16] = '\0';
- dev_dbg(&h->pdev->dev, " Server Name = %s\n", temp_name);
- dev_dbg(&h->pdev->dev, " Heartbeat Counter = 0x%x\n\n\n",
- readl(&(tb->HeartBeat)));
-}
-
-static int find_PCI_BAR_index(struct pci_dev *pdev, unsigned long pci_bar_addr)
-{
- int i, offset, mem_type, bar_type;
- if (pci_bar_addr == PCI_BASE_ADDRESS_0) /* looking for BAR zero? */
- return 0;
- offset = 0;
- for (i = 0; i < DEVICE_COUNT_RESOURCE; i++) {
- bar_type = pci_resource_flags(pdev, i) & PCI_BASE_ADDRESS_SPACE;
- if (bar_type == PCI_BASE_ADDRESS_SPACE_IO)
- offset += 4;
- else {
- mem_type = pci_resource_flags(pdev, i) &
- PCI_BASE_ADDRESS_MEM_TYPE_MASK;
- switch (mem_type) {
- case PCI_BASE_ADDRESS_MEM_TYPE_32:
- case PCI_BASE_ADDRESS_MEM_TYPE_1M:
- offset += 4; /* 32 bit */
- break;
- case PCI_BASE_ADDRESS_MEM_TYPE_64:
- offset += 8;
- break;
- default: /* reserved in PCI 2.2 */
- dev_warn(&pdev->dev,
- "Base address is invalid\n");
- return -1;
- break;
- }
- }
- if (offset == pci_bar_addr - PCI_BASE_ADDRESS_0)
- return i + 1;
- }
- return -1;
-}
-
-/* Fill in bucket_map[], given nsgs (the max number of
- * scatter gather elements supported) and bucket[],
- * which is an array of 8 integers. The bucket[] array
- * contains 8 different DMA transfer sizes (in 16
- * byte increments) which the controller uses to fetch
- * commands. This function fills in bucket_map[], which
- * maps a given number of scatter gather elements to one of
- * the 8 DMA transfer sizes. The point of it is to allow the
- * controller to only do as much DMA as needed to fetch the
- * command, with the DMA transfer size encoded in the lower
- * bits of the command address.
- */
-static void calc_bucket_map(int bucket[], int num_buckets,
- int nsgs, int *bucket_map)
-{
- int i, j, b, size;
-
- /* even a command with 0 SGs requires 4 blocks */
-#define MINIMUM_TRANSFER_BLOCKS 4
-#define NUM_BUCKETS 8
- /* Note, bucket_map must have nsgs+1 entries. */
- for (i = 0; i <= nsgs; i++) {
- /* Compute size of a command with i SG entries */
- size = i + MINIMUM_TRANSFER_BLOCKS;
- b = num_buckets; /* Assume the biggest bucket */
- /* Find the bucket that is just big enough */
- for (j = 0; j < 8; j++) {
- if (bucket[j] >= size) {
- b = j;
- break;
- }
- }
- /* for a command with i SG entries, use bucket b. */
- bucket_map[i] = b;
- }
-}
-
-static void cciss_wait_for_mode_change_ack(ctlr_info_t *h)
-{
- int i;
-
- /* under certain very rare conditions, this can take awhile.
- * (e.g.: hot replace a failed 144GB drive in a RAID 5 set right
- * as we enter this code.) */
- for (i = 0; i < MAX_CONFIG_WAIT; i++) {
- if (!(readl(h->vaddr + SA5_DOORBELL) & CFGTBL_ChangeReq))
- break;
- usleep_range(10000, 20000);
- }
-}
-
-static void cciss_enter_performant_mode(ctlr_info_t *h, u32 use_short_tags)
-{
- /* This is a bit complicated. There are 8 registers on
- * the controller which we write to to tell it 8 different
- * sizes of commands which there may be. It's a way of
- * reducing the DMA done to fetch each command. Encoded into
- * each command's tag are 3 bits which communicate to the controller
- * which of the eight sizes that command fits within. The size of
- * each command depends on how many scatter gather entries there are.
- * Each SG entry requires 16 bytes. The eight registers are programmed
- * with the number of 16-byte blocks a command of that size requires.
- * The smallest command possible requires 5 such 16 byte blocks.
- * the largest command possible requires MAXSGENTRIES + 4 16-byte
- * blocks. Note, this only extends to the SG entries contained
- * within the command block, and does not extend to chained blocks
- * of SG elements. bft[] contains the eight values we write to
- * the registers. They are not evenly distributed, but have more
- * sizes for small commands, and fewer sizes for larger commands.
- */
- __u32 trans_offset;
- int bft[8] = { 5, 6, 8, 10, 12, 20, 28, MAXSGENTRIES + 4};
- /*
- * 5 = 1 s/g entry or 4k
- * 6 = 2 s/g entry or 8k
- * 8 = 4 s/g entry or 16k
- * 10 = 6 s/g entry or 24k
- */
- unsigned long register_value;
- BUILD_BUG_ON(28 > MAXSGENTRIES + 4);
-
- h->reply_pool_wraparound = 1; /* spec: init to 1 */
-
- /* Controller spec: zero out this buffer. */
- memset(h->reply_pool, 0, h->max_commands * sizeof(__u64));
- h->reply_pool_head = h->reply_pool;
-
- trans_offset = readl(&(h->cfgtable->TransMethodOffset));
- calc_bucket_map(bft, ARRAY_SIZE(bft), h->maxsgentries,
- h->blockFetchTable);
- writel(bft[0], &h->transtable->BlockFetch0);
- writel(bft[1], &h->transtable->BlockFetch1);
- writel(bft[2], &h->transtable->BlockFetch2);
- writel(bft[3], &h->transtable->BlockFetch3);
- writel(bft[4], &h->transtable->BlockFetch4);
- writel(bft[5], &h->transtable->BlockFetch5);
- writel(bft[6], &h->transtable->BlockFetch6);
- writel(bft[7], &h->transtable->BlockFetch7);
-
- /* size of controller ring buffer */
- writel(h->max_commands, &h->transtable->RepQSize);
- writel(1, &h->transtable->RepQCount);
- writel(0, &h->transtable->RepQCtrAddrLow32);
- writel(0, &h->transtable->RepQCtrAddrHigh32);
- writel(h->reply_pool_dhandle, &h->transtable->RepQAddr0Low32);
- writel(0, &h->transtable->RepQAddr0High32);
- writel(CFGTBL_Trans_Performant | use_short_tags,
- &(h->cfgtable->HostWrite.TransportRequest));
-
- writel(CFGTBL_ChangeReq, h->vaddr + SA5_DOORBELL);
- cciss_wait_for_mode_change_ack(h);
- register_value = readl(&(h->cfgtable->TransportActive));
- if (!(register_value & CFGTBL_Trans_Performant))
- dev_warn(&h->pdev->dev, "cciss: unable to get board into"
- " performant mode\n");
-}
-
-static void cciss_put_controller_into_performant_mode(ctlr_info_t *h)
-{
- __u32 trans_support;
-
- if (cciss_simple_mode)
- return;
-
- dev_dbg(&h->pdev->dev, "Trying to put board into Performant mode\n");
- /* Attempt to put controller into performant mode if supported */
- /* Does board support performant mode? */
- trans_support = readl(&(h->cfgtable->TransportSupport));
- if (!(trans_support & PERFORMANT_MODE))
- return;
-
- dev_dbg(&h->pdev->dev, "Placing controller into performant mode\n");
- /* Performant mode demands commands on a 32 byte boundary
- * pci_alloc_consistent aligns on page boundarys already.
- * Just need to check if divisible by 32
- */
- if ((sizeof(CommandList_struct) % 32) != 0) {
- dev_warn(&h->pdev->dev, "%s %d %s\n",
- "cciss info: command size[",
- (int)sizeof(CommandList_struct),
- "] not divisible by 32, no performant mode..\n");
- return;
- }
-
- /* Performant mode ring buffer and supporting data structures */
- h->reply_pool = (__u64 *)pci_alloc_consistent(
- h->pdev, h->max_commands * sizeof(__u64),
- &(h->reply_pool_dhandle));
-
- /* Need a block fetch table for performant mode */
- h->blockFetchTable = kmalloc(((h->maxsgentries+1) *
- sizeof(__u32)), GFP_KERNEL);
-
- if ((h->reply_pool == NULL) || (h->blockFetchTable == NULL))
- goto clean_up;
-
- cciss_enter_performant_mode(h,
- trans_support & CFGTBL_Trans_use_short_tags);
-
- /* Change the access methods to the performant access methods */
- h->access = SA5_performant_access;
- h->transMethod = CFGTBL_Trans_Performant;
-
- return;
-clean_up:
- kfree(h->blockFetchTable);
- if (h->reply_pool)
- pci_free_consistent(h->pdev,
- h->max_commands * sizeof(__u64),
- h->reply_pool,
- h->reply_pool_dhandle);
- return;
-
-} /* cciss_put_controller_into_performant_mode */
-
-/* If MSI/MSI-X is supported by the kernel we will try to enable it on
- * controllers that are capable. If not, we use IO-APIC mode.
- */
-
-static void cciss_interrupt_mode(ctlr_info_t *h)
-{
- int ret;
-
- /* Some boards advertise MSI but don't really support it */
- if ((h->board_id == 0x40700E11) || (h->board_id == 0x40800E11) ||
- (h->board_id == 0x40820E11) || (h->board_id == 0x40830E11))
- goto default_int_mode;
-
- ret = pci_alloc_irq_vectors(h->pdev, 4, 4, PCI_IRQ_MSIX);
- if (ret >= 0) {
- h->intr[0] = pci_irq_vector(h->pdev, 0);
- h->intr[1] = pci_irq_vector(h->pdev, 1);
- h->intr[2] = pci_irq_vector(h->pdev, 2);
- h->intr[3] = pci_irq_vector(h->pdev, 3);
- return;
- }
-
- ret = pci_alloc_irq_vectors(h->pdev, 1, 1, PCI_IRQ_MSI);
-
-default_int_mode:
- /* if we get here we're going to use the default interrupt mode */
- h->intr[h->intr_mode] = pci_irq_vector(h->pdev, 0);
- return;
-}
-
-static int cciss_lookup_board_id(struct pci_dev *pdev, u32 *board_id)
-{
- int i;
- u32 subsystem_vendor_id, subsystem_device_id;
-
- subsystem_vendor_id = pdev->subsystem_vendor;
- subsystem_device_id = pdev->subsystem_device;
- *board_id = ((subsystem_device_id << 16) & 0xffff0000) |
- subsystem_vendor_id;
-
- for (i = 0; i < ARRAY_SIZE(products); i++) {
- /* Stand aside for hpsa driver on request */
- if (cciss_allow_hpsa)
- return -ENODEV;
- if (*board_id == products[i].board_id)
- return i;
- }
- dev_warn(&pdev->dev, "unrecognized board ID: 0x%08x, ignoring.\n",
- *board_id);
- return -ENODEV;
-}
-
-static inline bool cciss_board_disabled(ctlr_info_t *h)
-{
- u16 command;
-
- (void) pci_read_config_word(h->pdev, PCI_COMMAND, &command);
- return ((command & PCI_COMMAND_MEMORY) == 0);
-}
-
-static int cciss_pci_find_memory_BAR(struct pci_dev *pdev,
- unsigned long *memory_bar)
-{
- int i;
-
- for (i = 0; i < DEVICE_COUNT_RESOURCE; i++)
- if (pci_resource_flags(pdev, i) & IORESOURCE_MEM) {
- /* addressing mode bits already removed */
- *memory_bar = pci_resource_start(pdev, i);
- dev_dbg(&pdev->dev, "memory BAR = %lx\n",
- *memory_bar);
- return 0;
- }
- dev_warn(&pdev->dev, "no memory BAR found\n");
- return -ENODEV;
-}
-
-static int cciss_wait_for_board_state(struct pci_dev *pdev,
- void __iomem *vaddr, int wait_for_ready)
-#define BOARD_READY 1
-#define BOARD_NOT_READY 0
-{
- int i, iterations;
- u32 scratchpad;
-
- if (wait_for_ready)
- iterations = CCISS_BOARD_READY_ITERATIONS;
- else
- iterations = CCISS_BOARD_NOT_READY_ITERATIONS;
-
- for (i = 0; i < iterations; i++) {
- scratchpad = readl(vaddr + SA5_SCRATCHPAD_OFFSET);
- if (wait_for_ready) {
- if (scratchpad == CCISS_FIRMWARE_READY)
- return 0;
- } else {
- if (scratchpad != CCISS_FIRMWARE_READY)
- return 0;
- }
- msleep(CCISS_BOARD_READY_POLL_INTERVAL_MSECS);
- }
- dev_warn(&pdev->dev, "board not ready, timed out.\n");
- return -ENODEV;
-}
-
-static int cciss_find_cfg_addrs(struct pci_dev *pdev, void __iomem *vaddr,
- u32 *cfg_base_addr, u64 *cfg_base_addr_index,
- u64 *cfg_offset)
-{
- *cfg_base_addr = readl(vaddr + SA5_CTCFG_OFFSET);
- *cfg_offset = readl(vaddr + SA5_CTMEM_OFFSET);
- *cfg_base_addr &= (u32) 0x0000ffff;
- *cfg_base_addr_index = find_PCI_BAR_index(pdev, *cfg_base_addr);
- if (*cfg_base_addr_index == -1) {
- dev_warn(&pdev->dev, "cannot find cfg_base_addr_index, "
- "*cfg_base_addr = 0x%08x\n", *cfg_base_addr);
- return -ENODEV;
- }
- return 0;
-}
-
-static int cciss_find_cfgtables(ctlr_info_t *h)
-{
- u64 cfg_offset;
- u32 cfg_base_addr;
- u64 cfg_base_addr_index;
- u32 trans_offset;
- int rc;
-
- rc = cciss_find_cfg_addrs(h->pdev, h->vaddr, &cfg_base_addr,
- &cfg_base_addr_index, &cfg_offset);
- if (rc)
- return rc;
- h->cfgtable = remap_pci_mem(pci_resource_start(h->pdev,
- cfg_base_addr_index) + cfg_offset, sizeof(*h->cfgtable));
- if (!h->cfgtable)
- return -ENOMEM;
- rc = write_driver_ver_to_cfgtable(h->cfgtable);
- if (rc)
- return rc;
- /* Find performant mode table. */
- trans_offset = readl(&h->cfgtable->TransMethodOffset);
- h->transtable = remap_pci_mem(pci_resource_start(h->pdev,
- cfg_base_addr_index)+cfg_offset+trans_offset,
- sizeof(*h->transtable));
- if (!h->transtable)
- return -ENOMEM;
- return 0;
-}
-
-static void cciss_get_max_perf_mode_cmds(struct ctlr_info *h)
-{
- h->max_commands = readl(&(h->cfgtable->MaxPerformantModeCommands));
-
- /* Limit commands in memory limited kdump scenario. */
- if (reset_devices && h->max_commands > 32)
- h->max_commands = 32;
-
- if (h->max_commands < 16) {
- dev_warn(&h->pdev->dev, "Controller reports "
- "max supported commands of %d, an obvious lie. "
- "Using 16. Ensure that firmware is up to date.\n",
- h->max_commands);
- h->max_commands = 16;
- }
-}
-
-/* Interrogate the hardware for some limits:
- * max commands, max SG elements without chaining, and with chaining,
- * SG chain block size, etc.
- */
-static void cciss_find_board_params(ctlr_info_t *h)
-{
- cciss_get_max_perf_mode_cmds(h);
- h->nr_cmds = h->max_commands - 4 - cciss_tape_cmds;
- h->maxsgentries = readl(&(h->cfgtable->MaxSGElements));
- /*
- * The P600 may exhibit poor performnace under some workloads
- * if we use the value in the configuration table. Limit this
- * controller to MAXSGENTRIES (32) instead.
- */
- if (h->board_id == 0x3225103C)
- h->maxsgentries = MAXSGENTRIES;
- /*
- * Limit in-command s/g elements to 32 save dma'able memory.
- * Howvever spec says if 0, use 31
- */
- h->max_cmd_sgentries = 31;
- if (h->maxsgentries > 512) {
- h->max_cmd_sgentries = 32;
- h->chainsize = h->maxsgentries - h->max_cmd_sgentries + 1;
- h->maxsgentries--; /* save one for chain pointer */
- } else {
- h->maxsgentries = 31; /* default to traditional values */
- h->chainsize = 0;
- }
-}
-
-static inline bool CISS_signature_present(ctlr_info_t *h)
-{
- if (!check_signature(h->cfgtable->Signature, "CISS", 4)) {
- dev_warn(&h->pdev->dev, "not a valid CISS config table\n");
- return false;
- }
- return true;
-}
-
-/* Need to enable prefetch in the SCSI core for 6400 in x86 */
-static inline void cciss_enable_scsi_prefetch(ctlr_info_t *h)
-{
-#ifdef CONFIG_X86
- u32 prefetch;
-
- prefetch = readl(&(h->cfgtable->SCSI_Prefetch));
- prefetch |= 0x100;
- writel(prefetch, &(h->cfgtable->SCSI_Prefetch));
-#endif
-}
-
-/* Disable DMA prefetch for the P600. Otherwise an ASIC bug may result
- * in a prefetch beyond physical memory.
- */
-static inline void cciss_p600_dma_prefetch_quirk(ctlr_info_t *h)
-{
- u32 dma_prefetch;
- __u32 dma_refetch;
-
- if (h->board_id != 0x3225103C)
- return;
- dma_prefetch = readl(h->vaddr + I2O_DMA1_CFG);
- dma_prefetch |= 0x8000;
- writel(dma_prefetch, h->vaddr + I2O_DMA1_CFG);
- pci_read_config_dword(h->pdev, PCI_COMMAND_PARITY, &dma_refetch);
- dma_refetch |= 0x1;
- pci_write_config_dword(h->pdev, PCI_COMMAND_PARITY, dma_refetch);
-}
-
-static int cciss_pci_init(ctlr_info_t *h)
-{
- int prod_index, err;
-
- prod_index = cciss_lookup_board_id(h->pdev, &h->board_id);
- if (prod_index < 0)
- return -ENODEV;
- h->product_name = products[prod_index].product_name;
- h->access = *(products[prod_index].access);
-
- if (cciss_board_disabled(h)) {
- dev_warn(&h->pdev->dev, "controller appears to be disabled\n");
- return -ENODEV;
- }
-
- pci_disable_link_state(h->pdev, PCIE_LINK_STATE_L0S |
- PCIE_LINK_STATE_L1 | PCIE_LINK_STATE_CLKPM);
-
- err = pci_enable_device(h->pdev);
- if (err) {
- dev_warn(&h->pdev->dev, "Unable to Enable PCI device\n");
- return err;
- }
-
- err = pci_request_regions(h->pdev, "cciss");
- if (err) {
- dev_warn(&h->pdev->dev,
- "Cannot obtain PCI resources, aborting\n");
- return err;
- }
-
- dev_dbg(&h->pdev->dev, "irq = %x\n", h->pdev->irq);
- dev_dbg(&h->pdev->dev, "board_id = %x\n", h->board_id);
-
-/* If the kernel supports MSI/MSI-X we will try to enable that functionality,
- * else we use the IO-APIC interrupt assigned to us by system ROM.
- */
- cciss_interrupt_mode(h);
- err = cciss_pci_find_memory_BAR(h->pdev, &h->paddr);
- if (err)
- goto err_out_free_res;
- h->vaddr = remap_pci_mem(h->paddr, 0x250);
- if (!h->vaddr) {
- err = -ENOMEM;
- goto err_out_free_res;
- }
- err = cciss_wait_for_board_state(h->pdev, h->vaddr, BOARD_READY);
- if (err)
- goto err_out_free_res;
- err = cciss_find_cfgtables(h);
- if (err)
- goto err_out_free_res;
- print_cfg_table(h);
- cciss_find_board_params(h);
-
- if (!CISS_signature_present(h)) {
- err = -ENODEV;
- goto err_out_free_res;
- }
- cciss_enable_scsi_prefetch(h);
- cciss_p600_dma_prefetch_quirk(h);
- err = cciss_enter_simple_mode(h);
- if (err)
- goto err_out_free_res;
- cciss_put_controller_into_performant_mode(h);
- return 0;
-
-err_out_free_res:
- /*
- * Deliberately omit pci_disable_device(): it does something nasty to
- * Smart Array controllers that pci_enable_device does not undo
- */
- if (h->transtable)
- iounmap(h->transtable);
- if (h->cfgtable)
- iounmap(h->cfgtable);
- if (h->vaddr)
- iounmap(h->vaddr);
- pci_release_regions(h->pdev);
- return err;
-}
-
-/* Function to find the first free pointer into our hba[] array
- * Returns -1 if no free entries are left.
- */
-static int alloc_cciss_hba(struct pci_dev *pdev)
-{
- int i;
-
- for (i = 0; i < MAX_CTLR; i++) {
- if (!hba[i]) {
- ctlr_info_t *h;
-
- h = kzalloc(sizeof(ctlr_info_t), GFP_KERNEL);
- if (!h)
- goto Enomem;
- hba[i] = h;
- return i;
- }
- }
- dev_warn(&pdev->dev, "This driver supports a maximum"
- " of %d controllers.\n", MAX_CTLR);
- return -1;
-Enomem:
- dev_warn(&pdev->dev, "out of memory.\n");
- return -1;
-}
-
-static void free_hba(ctlr_info_t *h)
-{
- int i;
-
- hba[h->ctlr] = NULL;
- for (i = 0; i < h->highest_lun + 1; i++)
- if (h->gendisk[i] != NULL)
- put_disk(h->gendisk[i]);
- kfree(h);
-}
-
-/* Send a message CDB to the firmware. */
-static int cciss_message(struct pci_dev *pdev, unsigned char opcode,
- unsigned char type)
-{
- typedef struct {
- CommandListHeader_struct CommandHeader;
- RequestBlock_struct Request;
- ErrDescriptor_struct ErrorDescriptor;
- } Command;
- static const size_t cmd_sz = sizeof(Command) + sizeof(ErrorInfo_struct);
- Command *cmd;
- dma_addr_t paddr64;
- uint32_t paddr32, tag;
- void __iomem *vaddr;
- int i, err;
-
- vaddr = ioremap_nocache(pci_resource_start(pdev, 0), pci_resource_len(pdev, 0));
- if (vaddr == NULL)
- return -ENOMEM;
-
- /* The Inbound Post Queue only accepts 32-bit physical addresses for the
- CCISS commands, so they must be allocated from the lower 4GiB of
- memory. */
- err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32));
- if (err) {
- iounmap(vaddr);
- return -ENOMEM;
- }
-
- cmd = pci_alloc_consistent(pdev, cmd_sz, &paddr64);
- if (cmd == NULL) {
- iounmap(vaddr);
- return -ENOMEM;
- }
-
- /* This must fit, because of the 32-bit consistent DMA mask. Also,
- although there's no guarantee, we assume that the address is at
- least 4-byte aligned (most likely, it's page-aligned). */
- paddr32 = paddr64;
-
- cmd->CommandHeader.ReplyQueue = 0;
- cmd->CommandHeader.SGList = 0;
- cmd->CommandHeader.SGTotal = 0;
- cmd->CommandHeader.Tag.lower = paddr32;
- cmd->CommandHeader.Tag.upper = 0;
- memset(&cmd->CommandHeader.LUN.LunAddrBytes, 0, 8);
-
- cmd->Request.CDBLen = 16;
- cmd->Request.Type.Type = TYPE_MSG;
- cmd->Request.Type.Attribute = ATTR_HEADOFQUEUE;
- cmd->Request.Type.Direction = XFER_NONE;
- cmd->Request.Timeout = 0; /* Don't time out */
- cmd->Request.CDB[0] = opcode;
- cmd->Request.CDB[1] = type;
- memset(&cmd->Request.CDB[2], 0, 14); /* the rest of the CDB is reserved */
-
- cmd->ErrorDescriptor.Addr.lower = paddr32 + sizeof(Command);
- cmd->ErrorDescriptor.Addr.upper = 0;
- cmd->ErrorDescriptor.Len = sizeof(ErrorInfo_struct);
-
- writel(paddr32, vaddr + SA5_REQUEST_PORT_OFFSET);
-
- for (i = 0; i < 10; i++) {
- tag = readl(vaddr + SA5_REPLY_PORT_OFFSET);
- if ((tag & ~3) == paddr32)
- break;
- msleep(CCISS_POST_RESET_NOOP_TIMEOUT_MSECS);
- }
-
- iounmap(vaddr);
-
- /* we leak the DMA buffer here ... no choice since the controller could
- still complete the command. */
- if (i == 10) {
- dev_err(&pdev->dev,
- "controller message %02x:%02x timed out\n",
- opcode, type);
- return -ETIMEDOUT;
- }
-
- pci_free_consistent(pdev, cmd_sz, cmd, paddr64);
-
- if (tag & 2) {
- dev_err(&pdev->dev, "controller message %02x:%02x failed\n",
- opcode, type);
- return -EIO;
- }
-
- dev_info(&pdev->dev, "controller message %02x:%02x succeeded\n",
- opcode, type);
- return 0;
-}
-
-#define cciss_noop(p) cciss_message(p, 3, 0)
-
-static int cciss_controller_hard_reset(struct pci_dev *pdev,
- void * __iomem vaddr, u32 use_doorbell)
-{
- u16 pmcsr;
- int pos;
-
- if (use_doorbell) {
- /* For everything after the P600, the PCI power state method
- * of resetting the controller doesn't work, so we have this
- * other way using the doorbell register.
- */
- dev_info(&pdev->dev, "using doorbell to reset controller\n");
- writel(use_doorbell, vaddr + SA5_DOORBELL);
- } else { /* Try to do it the PCI power state way */
-
- /* Quoting from the Open CISS Specification: "The Power
- * Management Control/Status Register (CSR) controls the power
- * state of the device. The normal operating state is D0,
- * CSR=00h. The software off state is D3, CSR=03h. To reset
- * the controller, place the interface device in D3 then to D0,
- * this causes a secondary PCI reset which will reset the
- * controller." */
-
- pos = pci_find_capability(pdev, PCI_CAP_ID_PM);
- if (pos == 0) {
- dev_err(&pdev->dev,
- "cciss_controller_hard_reset: "
- "PCI PM not supported\n");
- return -ENODEV;
- }
- dev_info(&pdev->dev, "using PCI PM to reset controller\n");
- /* enter the D3hot power management state */
- pci_read_config_word(pdev, pos + PCI_PM_CTRL, &pmcsr);
- pmcsr &= ~PCI_PM_CTRL_STATE_MASK;
- pmcsr |= PCI_D3hot;
- pci_write_config_word(pdev, pos + PCI_PM_CTRL, pmcsr);
-
- msleep(500);
-
- /* enter the D0 power management state */
- pmcsr &= ~PCI_PM_CTRL_STATE_MASK;
- pmcsr |= PCI_D0;
- pci_write_config_word(pdev, pos + PCI_PM_CTRL, pmcsr);
-
- /*
- * The P600 requires a small delay when changing states.
- * Otherwise we may think the board did not reset and we bail.
- * This for kdump only and is particular to the P600.
- */
- msleep(500);
- }
- return 0;
-}
-
-static void init_driver_version(char *driver_version, int len)
-{
- memset(driver_version, 0, len);
- strncpy(driver_version, "cciss " DRIVER_NAME, len - 1);
-}
-
-static int write_driver_ver_to_cfgtable(CfgTable_struct __iomem *cfgtable)
-{
- char *driver_version;
- int i, size = sizeof(cfgtable->driver_version);
-
- driver_version = kmalloc(size, GFP_KERNEL);
- if (!driver_version)
- return -ENOMEM;
-
- init_driver_version(driver_version, size);
- for (i = 0; i < size; i++)
- writeb(driver_version[i], &cfgtable->driver_version[i]);
- kfree(driver_version);
- return 0;
-}
-
-static void read_driver_ver_from_cfgtable(CfgTable_struct __iomem *cfgtable,
- unsigned char *driver_ver)
-{
- int i;
-
- for (i = 0; i < sizeof(cfgtable->driver_version); i++)
- driver_ver[i] = readb(&cfgtable->driver_version[i]);
-}
-
-static int controller_reset_failed(CfgTable_struct __iomem *cfgtable)
-{
-
- char *driver_ver, *old_driver_ver;
- int rc, size = sizeof(cfgtable->driver_version);
-
- old_driver_ver = kmalloc(2 * size, GFP_KERNEL);
- if (!old_driver_ver)
- return -ENOMEM;
- driver_ver = old_driver_ver + size;
-
- /* After a reset, the 32 bytes of "driver version" in the cfgtable
- * should have been changed, otherwise we know the reset failed.
- */
- init_driver_version(old_driver_ver, size);
- read_driver_ver_from_cfgtable(cfgtable, driver_ver);
- rc = !memcmp(driver_ver, old_driver_ver, size);
- kfree(old_driver_ver);
- return rc;
-}
-
-/* This does a hard reset of the controller using PCI power management
- * states or using the doorbell register. */
-static int cciss_kdump_hard_reset_controller(struct pci_dev *pdev)
-{
- u64 cfg_offset;
- u32 cfg_base_addr;
- u64 cfg_base_addr_index;
- void __iomem *vaddr;
- unsigned long paddr;
- u32 misc_fw_support;
- int rc;
- CfgTable_struct __iomem *cfgtable;
- u32 use_doorbell;
- u32 board_id;
- u16 command_register;
-
- /* For controllers as old a the p600, this is very nearly
- * the same thing as
- *
- * pci_save_state(pci_dev);
- * pci_set_power_state(pci_dev, PCI_D3hot);
- * pci_set_power_state(pci_dev, PCI_D0);
- * pci_restore_state(pci_dev);
- *
- * For controllers newer than the P600, the pci power state
- * method of resetting doesn't work so we have another way
- * using the doorbell register.
- */
-
- /* Exclude 640x boards. These are two pci devices in one slot
- * which share a battery backed cache module. One controls the
- * cache, the other accesses the cache through the one that controls
- * it. If we reset the one controlling the cache, the other will
- * likely not be happy. Just forbid resetting this conjoined mess.
- */
- cciss_lookup_board_id(pdev, &board_id);
- if (!ctlr_is_resettable(board_id)) {
- dev_warn(&pdev->dev, "Controller not resettable\n");
- return -ENODEV;
- }
-
- /* if controller is soft- but not hard resettable... */
- if (!ctlr_is_hard_resettable(board_id))
- return -ENOTSUPP; /* try soft reset later. */
-
- /* Save the PCI command register */
- pci_read_config_word(pdev, 4, &command_register);
- /* Turn the board off. This is so that later pci_restore_state()
- * won't turn the board on before the rest of config space is ready.
- */
- pci_disable_device(pdev);
- pci_save_state(pdev);
-
- /* find the first memory BAR, so we can find the cfg table */
- rc = cciss_pci_find_memory_BAR(pdev, &paddr);
- if (rc)
- return rc;
- vaddr = remap_pci_mem(paddr, 0x250);
- if (!vaddr)
- return -ENOMEM;
-
- /* find cfgtable in order to check if reset via doorbell is supported */
- rc = cciss_find_cfg_addrs(pdev, vaddr, &cfg_base_addr,
- &cfg_base_addr_index, &cfg_offset);
- if (rc)
- goto unmap_vaddr;
- cfgtable = remap_pci_mem(pci_resource_start(pdev,
- cfg_base_addr_index) + cfg_offset, sizeof(*cfgtable));
- if (!cfgtable) {
- rc = -ENOMEM;
- goto unmap_vaddr;
- }
- rc = write_driver_ver_to_cfgtable(cfgtable);
- if (rc)
- goto unmap_vaddr;
-
- /* If reset via doorbell register is supported, use that.
- * There are two such methods. Favor the newest method.
- */
- misc_fw_support = readl(&cfgtable->misc_fw_support);
- use_doorbell = misc_fw_support & MISC_FW_DOORBELL_RESET2;
- if (use_doorbell) {
- use_doorbell = DOORBELL_CTLR_RESET2;
- } else {
- use_doorbell = misc_fw_support & MISC_FW_DOORBELL_RESET;
- if (use_doorbell) {
- dev_warn(&pdev->dev, "Controller claims that "
- "'Bit 2 doorbell reset' is "
- "supported, but not 'bit 5 doorbell reset'. "
- "Firmware update is recommended.\n");
- rc = -ENOTSUPP; /* use the soft reset */
- goto unmap_cfgtable;
- }
- }
-
- rc = cciss_controller_hard_reset(pdev, vaddr, use_doorbell);
- if (rc)
- goto unmap_cfgtable;
- pci_restore_state(pdev);
- rc = pci_enable_device(pdev);
- if (rc) {
- dev_warn(&pdev->dev, "failed to enable device.\n");
- goto unmap_cfgtable;
- }
- pci_write_config_word(pdev, 4, command_register);
-
- /* Some devices (notably the HP Smart Array 5i Controller)
- need a little pause here */
- msleep(CCISS_POST_RESET_PAUSE_MSECS);
-
- /* Wait for board to become not ready, then ready. */
- dev_info(&pdev->dev, "Waiting for board to reset.\n");
- rc = cciss_wait_for_board_state(pdev, vaddr, BOARD_NOT_READY);
- if (rc) {
- dev_warn(&pdev->dev, "Failed waiting for board to hard reset."
- " Will try soft reset.\n");
- rc = -ENOTSUPP; /* Not expected, but try soft reset later */
- goto unmap_cfgtable;
- }
- rc = cciss_wait_for_board_state(pdev, vaddr, BOARD_READY);
- if (rc) {
- dev_warn(&pdev->dev,
- "failed waiting for board to become ready "
- "after hard reset\n");
- goto unmap_cfgtable;
- }
-
- rc = controller_reset_failed(vaddr);
- if (rc < 0)
- goto unmap_cfgtable;
- if (rc) {
- dev_warn(&pdev->dev, "Unable to successfully hard reset "
- "controller. Will try soft reset.\n");
- rc = -ENOTSUPP; /* Not expected, but try soft reset later */
- } else {
- dev_info(&pdev->dev, "Board ready after hard reset.\n");
- }
-
-unmap_cfgtable:
- iounmap(cfgtable);
-
-unmap_vaddr:
- iounmap(vaddr);
- return rc;
-}
-
-static int cciss_init_reset_devices(struct pci_dev *pdev)
-{
- int rc, i;
-
- if (!reset_devices)
- return 0;
-
- /* Reset the controller with a PCI power-cycle or via doorbell */
- rc = cciss_kdump_hard_reset_controller(pdev);
-
- /* -ENOTSUPP here means we cannot reset the controller
- * but it's already (and still) up and running in
- * "performant mode". Or, it might be 640x, which can't reset
- * due to concerns about shared bbwc between 6402/6404 pair.
- */
- if (rc == -ENOTSUPP)
- return rc; /* just try to do the kdump anyhow. */
- if (rc)
- return -ENODEV;
-
- /* Now try to get the controller to respond to a no-op */
- dev_warn(&pdev->dev, "Waiting for controller to respond to no-op\n");
- for (i = 0; i < CCISS_POST_RESET_NOOP_RETRIES; i++) {
- if (cciss_noop(pdev) == 0)
- break;
- else
- dev_warn(&pdev->dev, "no-op failed%s\n",
- (i < CCISS_POST_RESET_NOOP_RETRIES - 1 ?
- "; re-trying" : ""));
- msleep(CCISS_POST_RESET_NOOP_INTERVAL_MSECS);
- }
- return 0;
-}
-
-static int cciss_allocate_cmd_pool(ctlr_info_t *h)
-{
- h->cmd_pool_bits = kmalloc(BITS_TO_LONGS(h->nr_cmds) *
- sizeof(unsigned long), GFP_KERNEL);
- h->cmd_pool = pci_alloc_consistent(h->pdev,
- h->nr_cmds * sizeof(CommandList_struct),
- &(h->cmd_pool_dhandle));
- h->errinfo_pool = pci_alloc_consistent(h->pdev,
- h->nr_cmds * sizeof(ErrorInfo_struct),
- &(h->errinfo_pool_dhandle));
- if ((h->cmd_pool_bits == NULL)
- || (h->cmd_pool == NULL)
- || (h->errinfo_pool == NULL)) {
- dev_err(&h->pdev->dev, "out of memory");
- return -ENOMEM;
- }
- return 0;
-}
-
-static int cciss_allocate_scatterlists(ctlr_info_t *h)
-{
- int i;
-
- /* zero it, so that on free we need not know how many were alloc'ed */
- h->scatter_list = kzalloc(h->max_commands *
- sizeof(struct scatterlist *), GFP_KERNEL);
- if (!h->scatter_list)
- return -ENOMEM;
-
- for (i = 0; i < h->nr_cmds; i++) {
- h->scatter_list[i] = kmalloc(sizeof(struct scatterlist) *
- h->maxsgentries, GFP_KERNEL);
- if (h->scatter_list[i] == NULL) {
- dev_err(&h->pdev->dev, "could not allocate "
- "s/g lists\n");
- return -ENOMEM;
- }
- }
- return 0;
-}
-
-static void cciss_free_scatterlists(ctlr_info_t *h)
-{
- int i;
-
- if (h->scatter_list) {
- for (i = 0; i < h->nr_cmds; i++)
- kfree(h->scatter_list[i]);
- kfree(h->scatter_list);
- }
-}
-
-static void cciss_free_cmd_pool(ctlr_info_t *h)
-{
- kfree(h->cmd_pool_bits);
- if (h->cmd_pool)
- pci_free_consistent(h->pdev,
- h->nr_cmds * sizeof(CommandList_struct),
- h->cmd_pool, h->cmd_pool_dhandle);
- if (h->errinfo_pool)
- pci_free_consistent(h->pdev,
- h->nr_cmds * sizeof(ErrorInfo_struct),
- h->errinfo_pool, h->errinfo_pool_dhandle);
-}
-
-static int cciss_request_irq(ctlr_info_t *h,
- irqreturn_t (*msixhandler)(int, void *),
- irqreturn_t (*intxhandler)(int, void *))
-{
- if (h->pdev->msi_enabled || h->pdev->msix_enabled) {
- if (!request_irq(h->intr[h->intr_mode], msixhandler,
- 0, h->devname, h))
- return 0;
- dev_err(&h->pdev->dev, "Unable to get msi irq %d"
- " for %s\n", h->intr[h->intr_mode],
- h->devname);
- return -1;
- }
-
- if (!request_irq(h->intr[h->intr_mode], intxhandler,
- IRQF_SHARED, h->devname, h))
- return 0;
- dev_err(&h->pdev->dev, "Unable to get irq %d for %s\n",
- h->intr[h->intr_mode], h->devname);
- return -1;
-}
-
-static int cciss_kdump_soft_reset(ctlr_info_t *h)
-{
- if (cciss_send_reset(h, CTLR_LUNID, CCISS_RESET_TYPE_CONTROLLER)) {
- dev_warn(&h->pdev->dev, "Resetting array controller failed.\n");
- return -EIO;
- }
-
- dev_info(&h->pdev->dev, "Waiting for board to soft reset.\n");
- if (cciss_wait_for_board_state(h->pdev, h->vaddr, BOARD_NOT_READY)) {
- dev_warn(&h->pdev->dev, "Soft reset had no effect.\n");
- return -1;
- }
-
- dev_info(&h->pdev->dev, "Board reset, awaiting READY status.\n");
- if (cciss_wait_for_board_state(h->pdev, h->vaddr, BOARD_READY)) {
- dev_warn(&h->pdev->dev, "Board failed to become ready "
- "after soft reset.\n");
- return -1;
- }
-
- return 0;
-}
-
-static void cciss_undo_allocations_after_kdump_soft_reset(ctlr_info_t *h)
-{
- int ctlr = h->ctlr;
-
- free_irq(h->intr[h->intr_mode], h);
- pci_free_irq_vectors(h->pdev);
- cciss_free_sg_chain_blocks(h->cmd_sg_list, h->nr_cmds);
- cciss_free_scatterlists(h);
- cciss_free_cmd_pool(h);
- kfree(h->blockFetchTable);
- if (h->reply_pool)
- pci_free_consistent(h->pdev, h->max_commands * sizeof(__u64),
- h->reply_pool, h->reply_pool_dhandle);
- if (h->transtable)
- iounmap(h->transtable);
- if (h->cfgtable)
- iounmap(h->cfgtable);
- if (h->vaddr)
- iounmap(h->vaddr);
- unregister_blkdev(h->major, h->devname);
- cciss_destroy_hba_sysfs_entry(h);
- pci_release_regions(h->pdev);
- kfree(h);
- hba[ctlr] = NULL;
-}
-
-/*
- * This is it. Find all the controllers and register them. I really hate
- * stealing all these major device numbers.
- * returns the number of block devices registered.
- */
-static int cciss_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
-{
- int i;
- int j = 0;
- int rc;
- int try_soft_reset = 0;
- int dac, return_code;
- InquiryData_struct *inq_buff;
- ctlr_info_t *h;
- unsigned long flags;
-
- /*
- * By default the cciss driver is used for all older HP Smart Array
- * controllers. There are module paramaters that allow a user to
- * override this behavior and instead use the hpsa SCSI driver. If
- * this is the case cciss may be loaded first from the kdump initrd
- * image and cause a kernel panic. So if reset_devices is true and
- * cciss_allow_hpsa is set just bail.
- */
- if ((reset_devices) && (cciss_allow_hpsa == 1))
- return -ENODEV;
- rc = cciss_init_reset_devices(pdev);
- if (rc) {
- if (rc != -ENOTSUPP)
- return rc;
- /* If the reset fails in a particular way (it has no way to do
- * a proper hard reset, so returns -ENOTSUPP) we can try to do
- * a soft reset once we get the controller configured up to the
- * point that it can accept a command.
- */
- try_soft_reset = 1;
- rc = 0;
- }
-
-reinit_after_soft_reset:
-
- i = alloc_cciss_hba(pdev);
- if (i < 0)
- return -ENOMEM;
-
- h = hba[i];
- h->pdev = pdev;
- h->busy_initializing = 1;
- h->intr_mode = cciss_simple_mode ? SIMPLE_MODE_INT : PERF_MODE_INT;
- INIT_LIST_HEAD(&h->cmpQ);
- INIT_LIST_HEAD(&h->reqQ);
- mutex_init(&h->busy_shutting_down);
-
- if (cciss_pci_init(h) != 0)
- goto clean_no_release_regions;
-
- sprintf(h->devname, "cciss%d", i);
- h->ctlr = i;
-
- if (cciss_tape_cmds < 2)
- cciss_tape_cmds = 2;
- if (cciss_tape_cmds > 16)
- cciss_tape_cmds = 16;
-
- init_completion(&h->scan_wait);
-
- if (cciss_create_hba_sysfs_entry(h))
- goto clean0;
-
- /* configure PCI DMA stuff */
- if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(64)))
- dac = 1;
- else if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32)))
- dac = 0;
- else {
- dev_err(&h->pdev->dev, "no suitable DMA available\n");
- goto clean1;
- }
-
- /*
- * register with the major number, or get a dynamic major number
- * by passing 0 as argument. This is done for greater than
- * 8 controller support.
- */
- if (i < MAX_CTLR_ORIG)
- h->major = COMPAQ_CISS_MAJOR + i;
- rc = register_blkdev(h->major, h->devname);
- if (rc == -EBUSY || rc == -EINVAL) {
- dev_err(&h->pdev->dev,
- "Unable to get major number %d for %s "
- "on hba %d\n", h->major, h->devname, i);
- goto clean1;
- } else {
- if (i >= MAX_CTLR_ORIG)
- h->major = rc;
- }
-
- /* make sure the board interrupts are off */
- h->access.set_intr_mask(h, CCISS_INTR_OFF);
- rc = cciss_request_irq(h, do_cciss_msix_intr, do_cciss_intx);
- if (rc)
- goto clean2;
-
- dev_info(&h->pdev->dev, "%s: <0x%x> at PCI %s IRQ %d%s using DAC\n",
- h->devname, pdev->device, pci_name(pdev),
- h->intr[h->intr_mode], dac ? "" : " not");
-
- if (cciss_allocate_cmd_pool(h))
- goto clean4;
-
- if (cciss_allocate_scatterlists(h))
- goto clean4;
-
- h->cmd_sg_list = cciss_allocate_sg_chain_blocks(h,
- h->chainsize, h->nr_cmds);
- if (!h->cmd_sg_list && h->chainsize > 0)
- goto clean4;
-
- spin_lock_init(&h->lock);
-
- /* Initialize the pdev driver private data.
- have it point to h. */
- pci_set_drvdata(pdev, h);
- /* command and error info recs zeroed out before
- they are used */
- bitmap_zero(h->cmd_pool_bits, h->nr_cmds);
-
- h->num_luns = 0;
- h->highest_lun = -1;
- for (j = 0; j < CISS_MAX_LUN; j++) {
- h->drv[j] = NULL;
- h->gendisk[j] = NULL;
- }
-
- /* At this point, the controller is ready to take commands.
- * Now, if reset_devices and the hard reset didn't work, try
- * the soft reset and see if that works.
- */
- if (try_soft_reset) {
-
- /* This is kind of gross. We may or may not get a completion
- * from the soft reset command, and if we do, then the value
- * from the fifo may or may not be valid. So, we wait 10 secs
- * after the reset throwing away any completions we get during
- * that time. Unregister the interrupt handler and register
- * fake ones to scoop up any residual completions.
- */
- spin_lock_irqsave(&h->lock, flags);
- h->access.set_intr_mask(h, CCISS_INTR_OFF);
- spin_unlock_irqrestore(&h->lock, flags);
- free_irq(h->intr[h->intr_mode], h);
- rc = cciss_request_irq(h, cciss_msix_discard_completions,
- cciss_intx_discard_completions);
- if (rc) {
- dev_warn(&h->pdev->dev, "Failed to request_irq after "
- "soft reset.\n");
- goto clean4;
- }
-
- rc = cciss_kdump_soft_reset(h);
- if (rc) {
- dev_warn(&h->pdev->dev, "Soft reset failed.\n");
- goto clean4;
- }
-
- dev_info(&h->pdev->dev, "Board READY.\n");
- dev_info(&h->pdev->dev,
- "Waiting for stale completions to drain.\n");
- h->access.set_intr_mask(h, CCISS_INTR_ON);
- msleep(10000);
- h->access.set_intr_mask(h, CCISS_INTR_OFF);
-
- rc = controller_reset_failed(h->cfgtable);
- if (rc)
- dev_info(&h->pdev->dev,
- "Soft reset appears to have failed.\n");
-
- /* since the controller's reset, we have to go back and re-init
- * everything. Easiest to just forget what we've done and do it
- * all over again.
- */
- cciss_undo_allocations_after_kdump_soft_reset(h);
- try_soft_reset = 0;
- if (rc)
- /* don't go to clean4, we already unallocated */
- return -ENODEV;
-
- goto reinit_after_soft_reset;
- }
-
- cciss_scsi_setup(h);
-
- /* Turn the interrupts on so we can service requests */
- h->access.set_intr_mask(h, CCISS_INTR_ON);
-
- /* Get the firmware version */
- inq_buff = kzalloc(sizeof(InquiryData_struct), GFP_KERNEL);
- if (inq_buff == NULL) {
- dev_err(&h->pdev->dev, "out of memory\n");
- goto clean4;
- }
-
- return_code = sendcmd_withirq(h, CISS_INQUIRY, inq_buff,
- sizeof(InquiryData_struct), 0, CTLR_LUNID, TYPE_CMD);
- if (return_code == IO_OK) {
- h->firm_ver[0] = inq_buff->data_byte[32];
- h->firm_ver[1] = inq_buff->data_byte[33];
- h->firm_ver[2] = inq_buff->data_byte[34];
- h->firm_ver[3] = inq_buff->data_byte[35];
- } else { /* send command failed */
- dev_warn(&h->pdev->dev, "unable to determine firmware"
- " version of controller\n");
- }
- kfree(inq_buff);
-
- cciss_procinit(h);
-
- h->cciss_max_sectors = 8192;
-
- rebuild_lun_table(h, 1, 0);
- cciss_engage_scsi(h);
- h->busy_initializing = 0;
- return 0;
-
-clean4:
- cciss_free_cmd_pool(h);
- cciss_free_scatterlists(h);
- cciss_free_sg_chain_blocks(h->cmd_sg_list, h->nr_cmds);
- free_irq(h->intr[h->intr_mode], h);
-clean2:
- unregister_blkdev(h->major, h->devname);
-clean1:
- cciss_destroy_hba_sysfs_entry(h);
-clean0:
- pci_release_regions(pdev);
-clean_no_release_regions:
- h->busy_initializing = 0;
-
- /*
- * Deliberately omit pci_disable_device(): it does something nasty to
- * Smart Array controllers that pci_enable_device does not undo
- */
- pci_set_drvdata(pdev, NULL);
- free_hba(h);
- return -ENODEV;
-}
-
-static void cciss_shutdown(struct pci_dev *pdev)
-{
- ctlr_info_t *h;
- char *flush_buf;
- int return_code;
-
- h = pci_get_drvdata(pdev);
- flush_buf = kzalloc(4, GFP_KERNEL);
- if (!flush_buf) {
- dev_warn(&h->pdev->dev, "cache not flushed, out of memory.\n");
- return;
- }
- /* write all data in the battery backed cache to disk */
- return_code = sendcmd_withirq(h, CCISS_CACHE_FLUSH, flush_buf,
- 4, 0, CTLR_LUNID, TYPE_CMD);
- kfree(flush_buf);
- if (return_code != IO_OK)
- dev_warn(&h->pdev->dev, "Error flushing cache\n");
- h->access.set_intr_mask(h, CCISS_INTR_OFF);
- free_irq(h->intr[h->intr_mode], h);
-}
-
-static int cciss_enter_simple_mode(struct ctlr_info *h)
-{
- u32 trans_support;
-
- trans_support = readl(&(h->cfgtable->TransportSupport));
- if (!(trans_support & SIMPLE_MODE))
- return -ENOTSUPP;
-
- h->max_commands = readl(&(h->cfgtable->CmdsOutMax));
- writel(CFGTBL_Trans_Simple, &(h->cfgtable->HostWrite.TransportRequest));
- writel(CFGTBL_ChangeReq, h->vaddr + SA5_DOORBELL);
- cciss_wait_for_mode_change_ack(h);
- print_cfg_table(h);
- if (!(readl(&(h->cfgtable->TransportActive)) & CFGTBL_Trans_Simple)) {
- dev_warn(&h->pdev->dev, "unable to get board into simple mode\n");
- return -ENODEV;
- }
- h->transMethod = CFGTBL_Trans_Simple;
- return 0;
-}
-
-
-static void cciss_remove_one(struct pci_dev *pdev)
-{
- ctlr_info_t *h;
- int i, j;
-
- if (pci_get_drvdata(pdev) == NULL) {
- dev_err(&pdev->dev, "Unable to remove device\n");
- return;
- }
-
- h = pci_get_drvdata(pdev);
- i = h->ctlr;
- if (hba[i] == NULL) {
- dev_err(&pdev->dev, "device appears to already be removed\n");
- return;
- }
-
- mutex_lock(&h->busy_shutting_down);
-
- remove_from_scan_list(h);
- remove_proc_entry(h->devname, proc_cciss);
- unregister_blkdev(h->major, h->devname);
-
- /* remove it from the disk list */
- for (j = 0; j < CISS_MAX_LUN; j++) {
- struct gendisk *disk = h->gendisk[j];
- if (disk) {
- struct request_queue *q = disk->queue;
-
- if (disk->flags & GENHD_FL_UP) {
- cciss_destroy_ld_sysfs_entry(h, j, 1);
- del_gendisk(disk);
- }
- if (q)
- blk_cleanup_queue(q);
- }
- }
-
-#ifdef CONFIG_CISS_SCSI_TAPE
- cciss_unregister_scsi(h); /* unhook from SCSI subsystem */
-#endif
-
- cciss_shutdown(pdev);
-
- pci_free_irq_vectors(h->pdev);
-
- iounmap(h->transtable);
- iounmap(h->cfgtable);
- iounmap(h->vaddr);
-
- cciss_free_cmd_pool(h);
- /* Free up sg elements */
- for (j = 0; j < h->nr_cmds; j++)
- kfree(h->scatter_list[j]);
- kfree(h->scatter_list);
- cciss_free_sg_chain_blocks(h->cmd_sg_list, h->nr_cmds);
- kfree(h->blockFetchTable);
- if (h->reply_pool)
- pci_free_consistent(h->pdev, h->max_commands * sizeof(__u64),
- h->reply_pool, h->reply_pool_dhandle);
- /*
- * Deliberately omit pci_disable_device(): it does something nasty to
- * Smart Array controllers that pci_enable_device does not undo
- */
- pci_release_regions(pdev);
- pci_set_drvdata(pdev, NULL);
- cciss_destroy_hba_sysfs_entry(h);
- mutex_unlock(&h->busy_shutting_down);
- free_hba(h);
-}
-
-static struct pci_driver cciss_pci_driver = {
- .name = "cciss",
- .probe = cciss_init_one,
- .remove = cciss_remove_one,
- .id_table = cciss_pci_device_id, /* id_table */
- .shutdown = cciss_shutdown,
-};
-
-/*
- * This is it. Register the PCI driver information for the cards we control
- * the OS will call our registered routines when it finds one of our cards.
- */
-static int __init cciss_init(void)
-{
- int err;
-
- /*
- * The hardware requires that commands are aligned on a 64-bit
- * boundary. Given that we use pci_alloc_consistent() to allocate an
- * array of them, the size must be a multiple of 8 bytes.
- */
- BUILD_BUG_ON(sizeof(CommandList_struct) % COMMANDLIST_ALIGNMENT);
- printk(KERN_INFO DRIVER_NAME "\n");
-
- err = bus_register(&cciss_bus_type);
- if (err)
- return err;
-
- /* Start the scan thread */
- cciss_scan_thread = kthread_run(scan_thread, NULL, "cciss_scan");
- if (IS_ERR(cciss_scan_thread)) {
- err = PTR_ERR(cciss_scan_thread);
- goto err_bus_unregister;
- }
-
- /* Register for our PCI devices */
- err = pci_register_driver(&cciss_pci_driver);
- if (err)
- goto err_thread_stop;
-
- return err;
-
-err_thread_stop:
- kthread_stop(cciss_scan_thread);
-err_bus_unregister:
- bus_unregister(&cciss_bus_type);
-
- return err;
-}
-
-static void __exit cciss_cleanup(void)
-{
- int i;
-
- pci_unregister_driver(&cciss_pci_driver);
- /* double check that all controller entrys have been removed */
- for (i = 0; i < MAX_CTLR; i++) {
- if (hba[i] != NULL) {
- dev_warn(&hba[i]->pdev->dev,
- "had to remove controller\n");
- cciss_remove_one(hba[i]->pdev);
- }
- }
- kthread_stop(cciss_scan_thread);
- if (proc_cciss)
- remove_proc_entry("driver/cciss", NULL);
- bus_unregister(&cciss_bus_type);
-}
-
-module_init(cciss_init);
-module_exit(cciss_cleanup);
diff --git a/drivers/block/cciss.h b/drivers/block/cciss.h
deleted file mode 100644
index 24b5fd75501a..000000000000
--- a/drivers/block/cciss.h
+++ /dev/null
@@ -1,433 +0,0 @@
-#ifndef CCISS_H
-#define CCISS_H
-
-#include <linux/genhd.h>
-#include <linux/mutex.h>
-
-#include "cciss_cmd.h"
-
-
-#define NWD_SHIFT 4
-#define MAX_PART (1 << NWD_SHIFT)
-
-#define IO_OK 0
-#define IO_ERROR 1
-#define IO_NEEDS_RETRY 3
-
-#define VENDOR_LEN 8
-#define MODEL_LEN 16
-#define REV_LEN 4
-
-struct ctlr_info;
-typedef struct ctlr_info ctlr_info_t;
-
-struct access_method {
- void (*submit_command)(ctlr_info_t *h, CommandList_struct *c);
- void (*set_intr_mask)(ctlr_info_t *h, unsigned long val);
- unsigned long (*fifo_full)(ctlr_info_t *h);
- bool (*intr_pending)(ctlr_info_t *h);
- unsigned long (*command_completed)(ctlr_info_t *h);
-};
-typedef struct _drive_info_struct
-{
- unsigned char LunID[8];
- int usage_count;
- struct request_queue *queue;
- sector_t nr_blocks;
- int block_size;
- int heads;
- int sectors;
- int cylinders;
- int raid_level; /* set to -1 to indicate that
- * the drive is not in use/configured
- */
- int busy_configuring; /* This is set when a drive is being removed
- * to prevent it from being opened or it's
- * queue from being started.
- */
- struct device dev;
- __u8 serial_no[16]; /* from inquiry page 0x83,
- * not necc. null terminated.
- */
- char vendor[VENDOR_LEN + 1]; /* SCSI vendor string */
- char model[MODEL_LEN + 1]; /* SCSI model string */
- char rev[REV_LEN + 1]; /* SCSI revision string */
- char device_initialized; /* indicates whether dev is initialized */
-} drive_info_struct;
-
-struct ctlr_info
-{
- int ctlr;
- char devname[8];
- char *product_name;
- char firm_ver[4]; /* Firmware version */
- struct pci_dev *pdev;
- __u32 board_id;
- void __iomem *vaddr;
- unsigned long paddr;
- int nr_cmds; /* Number of commands allowed on this controller */
- CfgTable_struct __iomem *cfgtable;
- int interrupts_enabled;
- int major;
- int max_commands;
- int commands_outstanding;
- int max_outstanding; /* Debug */
- int num_luns;
- int highest_lun;
- int usage_count; /* number of opens all all minor devices */
- /* Need space for temp sg list
- * number of scatter/gathers supported
- * number of scatter/gathers in chained block
- */
- struct scatterlist **scatter_list;
- int maxsgentries;
- int chainsize;
- int max_cmd_sgentries;
- SGDescriptor_struct **cmd_sg_list;
-
-# define PERF_MODE_INT 0
-# define DOORBELL_INT 1
-# define SIMPLE_MODE_INT 2
-# define MEMQ_MODE_INT 3
- unsigned int intr[4];
- int intr_mode;
- int cciss_max_sectors;
- BYTE cciss_read;
- BYTE cciss_write;
- BYTE cciss_read_capacity;
-
- /* information about each logical volume */
- drive_info_struct *drv[CISS_MAX_LUN];
-
- struct access_method access;
-
- /* queue and queue Info */
- struct list_head reqQ;
- struct list_head cmpQ;
- unsigned int Qdepth;
- unsigned int maxQsinceinit;
- unsigned int maxSG;
- spinlock_t lock;
-
- /* pointers to command and error info pool */
- CommandList_struct *cmd_pool;
- dma_addr_t cmd_pool_dhandle;
- ErrorInfo_struct *errinfo_pool;
- dma_addr_t errinfo_pool_dhandle;
- unsigned long *cmd_pool_bits;
- int nr_allocs;
- int nr_frees;
- int busy_configuring;
- int busy_initializing;
- int busy_scanning;
- struct mutex busy_shutting_down;
-
- /* This element holds the zero based queue number of the last
- * queue to be started. It is used for fairness.
- */
- int next_to_run;
-
- /* Disk structures we need to pass back */
- struct gendisk *gendisk[CISS_MAX_LUN];
-#ifdef CONFIG_CISS_SCSI_TAPE
- struct cciss_scsi_adapter_data_t *scsi_ctlr;
-#endif
- unsigned char alive;
- struct list_head scan_list;
- struct completion scan_wait;
- struct device dev;
- /*
- * Performant mode tables.
- */
- u32 trans_support;
- u32 trans_offset;
- struct TransTable_struct *transtable;
- unsigned long transMethod;
-
- /*
- * Performant mode completion buffer
- */
- u64 *reply_pool;
- dma_addr_t reply_pool_dhandle;
- u64 *reply_pool_head;
- size_t reply_pool_size;
- unsigned char reply_pool_wraparound;
- u32 *blockFetchTable;
-};
-
-/* Defining the diffent access_methods
- *
- * Memory mapped FIFO interface (SMART 53xx cards)
- */
-#define SA5_DOORBELL 0x20
-#define SA5_REQUEST_PORT_OFFSET 0x40
-#define SA5_REPLY_INTR_MASK_OFFSET 0x34
-#define SA5_REPLY_PORT_OFFSET 0x44
-#define SA5_INTR_STATUS 0x30
-#define SA5_SCRATCHPAD_OFFSET 0xB0
-
-#define SA5_CTCFG_OFFSET 0xB4
-#define SA5_CTMEM_OFFSET 0xB8
-
-#define SA5_INTR_OFF 0x08
-#define SA5B_INTR_OFF 0x04
-#define SA5_INTR_PENDING 0x08
-#define SA5B_INTR_PENDING 0x04
-#define FIFO_EMPTY 0xffffffff
-#define CCISS_FIRMWARE_READY 0xffff0000 /* value in scratchpad register */
-/* Perf. mode flags */
-#define SA5_PERF_INTR_PENDING 0x04
-#define SA5_PERF_INTR_OFF 0x05
-#define SA5_OUTDB_STATUS_PERF_BIT 0x01
-#define SA5_OUTDB_CLEAR_PERF_BIT 0x01
-#define SA5_OUTDB_CLEAR 0xA0
-#define SA5_OUTDB_CLEAR_PERF_BIT 0x01
-#define SA5_OUTDB_STATUS 0x9C
-
-
-#define CISS_ERROR_BIT 0x02
-
-#define CCISS_INTR_ON 1
-#define CCISS_INTR_OFF 0
-
-
-/* CCISS_BOARD_READY_WAIT_SECS is how long to wait for a board
- * to become ready, in seconds, before giving up on it.
- * CCISS_BOARD_READY_POLL_INTERVAL_MSECS * is how long to wait
- * between polling the board to see if it is ready, in
- * milliseconds. CCISS_BOARD_READY_ITERATIONS is derived
- * the above.
- */
-#define CCISS_BOARD_READY_WAIT_SECS (120)
-#define CCISS_BOARD_NOT_READY_WAIT_SECS (100)
-#define CCISS_BOARD_READY_POLL_INTERVAL_MSECS (100)
-#define CCISS_BOARD_READY_ITERATIONS \
- ((CCISS_BOARD_READY_WAIT_SECS * 1000) / \
- CCISS_BOARD_READY_POLL_INTERVAL_MSECS)
-#define CCISS_BOARD_NOT_READY_ITERATIONS \
- ((CCISS_BOARD_NOT_READY_WAIT_SECS * 1000) / \
- CCISS_BOARD_READY_POLL_INTERVAL_MSECS)
-#define CCISS_POST_RESET_PAUSE_MSECS (3000)
-#define CCISS_POST_RESET_NOOP_INTERVAL_MSECS (4000)
-#define CCISS_POST_RESET_NOOP_RETRIES (12)
-#define CCISS_POST_RESET_NOOP_TIMEOUT_MSECS (10000)
-
-/*
- Send the command to the hardware
-*/
-static void SA5_submit_command( ctlr_info_t *h, CommandList_struct *c)
-{
-#ifdef CCISS_DEBUG
- printk(KERN_WARNING "cciss%d: Sending %08x - down to controller\n",
- h->ctlr, c->busaddr);
-#endif /* CCISS_DEBUG */
- writel(c->busaddr, h->vaddr + SA5_REQUEST_PORT_OFFSET);
- readl(h->vaddr + SA5_SCRATCHPAD_OFFSET);
- h->commands_outstanding++;
- if ( h->commands_outstanding > h->max_outstanding)
- h->max_outstanding = h->commands_outstanding;
-}
-
-/*
- * This card is the opposite of the other cards.
- * 0 turns interrupts on...
- * 0x08 turns them off...
- */
-static void SA5_intr_mask(ctlr_info_t *h, unsigned long val)
-{
- if (val)
- { /* Turn interrupts on */
- h->interrupts_enabled = 1;
- writel(0, h->vaddr + SA5_REPLY_INTR_MASK_OFFSET);
- (void) readl(h->vaddr + SA5_REPLY_INTR_MASK_OFFSET);
- } else /* Turn them off */
- {
- h->interrupts_enabled = 0;
- writel( SA5_INTR_OFF,
- h->vaddr + SA5_REPLY_INTR_MASK_OFFSET);
- (void) readl(h->vaddr + SA5_REPLY_INTR_MASK_OFFSET);
- }
-}
-/*
- * This card is the opposite of the other cards.
- * 0 turns interrupts on...
- * 0x04 turns them off...
- */
-static void SA5B_intr_mask(ctlr_info_t *h, unsigned long val)
-{
- if (val)
- { /* Turn interrupts on */
- h->interrupts_enabled = 1;
- writel(0, h->vaddr + SA5_REPLY_INTR_MASK_OFFSET);
- (void) readl(h->vaddr + SA5_REPLY_INTR_MASK_OFFSET);
- } else /* Turn them off */
- {
- h->interrupts_enabled = 0;
- writel( SA5B_INTR_OFF,
- h->vaddr + SA5_REPLY_INTR_MASK_OFFSET);
- (void) readl(h->vaddr + SA5_REPLY_INTR_MASK_OFFSET);
- }
-}
-
-/* Performant mode intr_mask */
-static void SA5_performant_intr_mask(ctlr_info_t *h, unsigned long val)
-{
- if (val) { /* turn on interrupts */
- h->interrupts_enabled = 1;
- writel(0, h->vaddr + SA5_REPLY_INTR_MASK_OFFSET);
- (void) readl(h->vaddr + SA5_REPLY_INTR_MASK_OFFSET);
- } else {
- h->interrupts_enabled = 0;
- writel(SA5_PERF_INTR_OFF,
- h->vaddr + SA5_REPLY_INTR_MASK_OFFSET);
- (void) readl(h->vaddr + SA5_REPLY_INTR_MASK_OFFSET);
- }
-}
-
-/*
- * Returns true if fifo is full.
- *
- */
-static unsigned long SA5_fifo_full(ctlr_info_t *h)
-{
- if( h->commands_outstanding >= h->max_commands)
- return(1);
- else
- return(0);
-
-}
-/*
- * returns value read from hardware.
- * returns FIFO_EMPTY if there is nothing to read
- */
-static unsigned long SA5_completed(ctlr_info_t *h)
-{
- unsigned long register_value
- = readl(h->vaddr + SA5_REPLY_PORT_OFFSET);
- if(register_value != FIFO_EMPTY)
- {
- h->commands_outstanding--;
-#ifdef CCISS_DEBUG
- printk("cciss: Read %lx back from board\n", register_value);
-#endif /* CCISS_DEBUG */
- }
-#ifdef CCISS_DEBUG
- else
- {
- printk("cciss: FIFO Empty read\n");
- }
-#endif
- return ( register_value);
-
-}
-
-/* Performant mode command completed */
-static unsigned long SA5_performant_completed(ctlr_info_t *h)
-{
- unsigned long register_value = FIFO_EMPTY;
-
- /* flush the controller write of the reply queue by reading
- * outbound doorbell status register.
- */
- register_value = readl(h->vaddr + SA5_OUTDB_STATUS);
- /* msi auto clears the interrupt pending bit. */
- if (!(h->pdev->msi_enabled || h->pdev->msix_enabled)) {
- writel(SA5_OUTDB_CLEAR_PERF_BIT, h->vaddr + SA5_OUTDB_CLEAR);
- /* Do a read in order to flush the write to the controller
- * (as per spec.)
- */
- register_value = readl(h->vaddr + SA5_OUTDB_STATUS);
- }
-
- if ((*(h->reply_pool_head) & 1) == (h->reply_pool_wraparound)) {
- register_value = *(h->reply_pool_head);
- (h->reply_pool_head)++;
- h->commands_outstanding--;
- } else {
- register_value = FIFO_EMPTY;
- }
- /* Check for wraparound */
- if (h->reply_pool_head == (h->reply_pool + h->max_commands)) {
- h->reply_pool_head = h->reply_pool;
- h->reply_pool_wraparound ^= 1;
- }
-
- return register_value;
-}
-/*
- * Returns true if an interrupt is pending..
- */
-static bool SA5_intr_pending(ctlr_info_t *h)
-{
- unsigned long register_value =
- readl(h->vaddr + SA5_INTR_STATUS);
-#ifdef CCISS_DEBUG
- printk("cciss: intr_pending %lx\n", register_value);
-#endif /* CCISS_DEBUG */
- if( register_value & SA5_INTR_PENDING)
- return 1;
- return 0 ;
-}
-
-/*
- * Returns true if an interrupt is pending..
- */
-static bool SA5B_intr_pending(ctlr_info_t *h)
-{
- unsigned long register_value =
- readl(h->vaddr + SA5_INTR_STATUS);
-#ifdef CCISS_DEBUG
- printk("cciss: intr_pending %lx\n", register_value);
-#endif /* CCISS_DEBUG */
- if( register_value & SA5B_INTR_PENDING)
- return 1;
- return 0 ;
-}
-
-static bool SA5_performant_intr_pending(ctlr_info_t *h)
-{
- unsigned long register_value = readl(h->vaddr + SA5_INTR_STATUS);
-
- if (!register_value)
- return false;
-
- if (h->pdev->msi_enabled || h->pdev->msix_enabled)
- return true;
-
- /* Read outbound doorbell to flush */
- register_value = readl(h->vaddr + SA5_OUTDB_STATUS);
- return register_value & SA5_OUTDB_STATUS_PERF_BIT;
-}
-
-static struct access_method SA5_access = {
- .submit_command = SA5_submit_command,
- .set_intr_mask = SA5_intr_mask,
- .fifo_full = SA5_fifo_full,
- .intr_pending = SA5_intr_pending,
- .command_completed = SA5_completed,
-};
-
-static struct access_method SA5B_access = {
- .submit_command = SA5_submit_command,
- .set_intr_mask = SA5B_intr_mask,
- .fifo_full = SA5_fifo_full,
- .intr_pending = SA5B_intr_pending,
- .command_completed = SA5_completed,
-};
-
-static struct access_method SA5_performant_access = {
- .submit_command = SA5_submit_command,
- .set_intr_mask = SA5_performant_intr_mask,
- .fifo_full = SA5_fifo_full,
- .intr_pending = SA5_performant_intr_pending,
- .command_completed = SA5_performant_completed,
-};
-
-struct board_type {
- __u32 board_id;
- char *product_name;
- struct access_method *access;
- int nr_cmds; /* Max cmds this kind of ctlr can handle. */
-};
-
-#endif /* CCISS_H */
diff --git a/drivers/block/cciss_cmd.h b/drivers/block/cciss_cmd.h
deleted file mode 100644
index d9be6b4d49a6..000000000000
--- a/drivers/block/cciss_cmd.h
+++ /dev/null
@@ -1,269 +0,0 @@
-#ifndef CCISS_CMD_H
-#define CCISS_CMD_H
-
-#include <linux/cciss_defs.h>
-
-/* DEFINES */
-#define CISS_VERSION "1.00"
-
-/* general boundary definitions */
-#define MAXSGENTRIES 32
-#define CCISS_SG_CHAIN 0x80000000
-#define MAXREPLYQS 256
-
-/* Unit Attentions ASC's as defined for the MSA2012sa */
-#define POWER_OR_RESET 0x29
-#define STATE_CHANGED 0x2a
-#define UNIT_ATTENTION_CLEARED 0x2f
-#define LUN_FAILED 0x3e
-#define REPORT_LUNS_CHANGED 0x3f
-
-/* Unit Attentions ASCQ's as defined for the MSA2012sa */
-
- /* These ASCQ's defined for ASC = POWER_OR_RESET */
-#define POWER_ON_RESET 0x00
-#define POWER_ON_REBOOT 0x01
-#define SCSI_BUS_RESET 0x02
-#define MSA_TARGET_RESET 0x03
-#define CONTROLLER_FAILOVER 0x04
-#define TRANSCEIVER_SE 0x05
-#define TRANSCEIVER_LVD 0x06
-
- /* These ASCQ's defined for ASC = STATE_CHANGED */
-#define RESERVATION_PREEMPTED 0x03
-#define ASYM_ACCESS_CHANGED 0x06
-#define LUN_CAPACITY_CHANGED 0x09
-
-/* config space register offsets */
-#define CFG_VENDORID 0x00
-#define CFG_DEVICEID 0x02
-#define CFG_I2OBAR 0x10
-#define CFG_MEM1BAR 0x14
-
-/* i2o space register offsets */
-#define I2O_IBDB_SET 0x20
-#define I2O_IBDB_CLEAR 0x70
-#define I2O_INT_STATUS 0x30
-#define I2O_INT_MASK 0x34
-#define I2O_IBPOST_Q 0x40
-#define I2O_OBPOST_Q 0x44
-#define I2O_DMA1_CFG 0x214
-
-/* Configuration Table */
-#define CFGTBL_ChangeReq 0x00000001l
-#define CFGTBL_AccCmds 0x00000001l
-#define DOORBELL_CTLR_RESET 0x00000004l
-#define DOORBELL_CTLR_RESET2 0x00000020l
-
-#define CFGTBL_Trans_Simple 0x00000002l
-#define CFGTBL_Trans_Performant 0x00000004l
-#define CFGTBL_Trans_use_short_tags 0x20000000l
-
-#define CFGTBL_BusType_Ultra2 0x00000001l
-#define CFGTBL_BusType_Ultra3 0x00000002l
-#define CFGTBL_BusType_Fibre1G 0x00000100l
-#define CFGTBL_BusType_Fibre2G 0x00000200l
-typedef struct _vals32
-{
- __u32 lower;
- __u32 upper;
-} vals32;
-
-typedef union _u64bit
-{
- vals32 val32;
- __u64 val;
-} u64bit;
-
-/* Type defs used in the following structs */
-#define QWORD vals32
-
-/* STRUCTURES */
-#define CISS_MAX_PHYS_LUN 1024
-/* SCSI-3 Cmmands */
-
-#pragma pack(1)
-
-#define CISS_INQUIRY 0x12
-/* Date returned */
-typedef struct _InquiryData_struct
-{
- BYTE data_byte[36];
-} InquiryData_struct;
-
-#define CISS_REPORT_LOG 0xc2 /* Report Logical LUNs */
-#define CISS_REPORT_PHYS 0xc3 /* Report Physical LUNs */
-/* Data returned */
-typedef struct _ReportLUNdata_struct
-{
- BYTE LUNListLength[4];
- DWORD reserved;
- BYTE LUN[CISS_MAX_LUN][8];
-} ReportLunData_struct;
-
-#define CCISS_READ_CAPACITY 0x25 /* Read Capacity */
-typedef struct _ReadCapdata_struct
-{
- BYTE total_size[4]; /* Total size in blocks */
- BYTE block_size[4]; /* Size of blocks in bytes */
-} ReadCapdata_struct;
-
-#define CCISS_READ_CAPACITY_16 0x9e /* Read Capacity 16 */
-
-/* service action to differentiate a 16 byte read capacity from
- other commands that use the 0x9e SCSI op code */
-
-#define CCISS_READ_CAPACITY_16_SERVICE_ACT 0x10
-
-typedef struct _ReadCapdata_struct_16
-{
- BYTE total_size[8]; /* Total size in blocks */
- BYTE block_size[4]; /* Size of blocks in bytes */
- BYTE prot_en:1; /* protection enable bit */
- BYTE rto_en:1; /* reference tag own enable bit */
- BYTE reserved:6; /* reserved bits */
- BYTE reserved2[18]; /* reserved bytes per spec */
-} ReadCapdata_struct_16;
-
-/* Define the supported read/write commands for cciss based controllers */
-
-#define CCISS_READ_10 0x28 /* Read(10) */
-#define CCISS_WRITE_10 0x2a /* Write(10) */
-#define CCISS_READ_16 0x88 /* Read(16) */
-#define CCISS_WRITE_16 0x8a /* Write(16) */
-
-/* Define the CDB lengths supported by cciss based controllers */
-
-#define CDB_LEN10 10
-#define CDB_LEN16 16
-
-/* BMIC commands */
-#define BMIC_READ 0x26
-#define BMIC_WRITE 0x27
-#define BMIC_CACHE_FLUSH 0xc2
-#define CCISS_CACHE_FLUSH 0x01 /* C2 was already being used by CCISS */
-
-#define CCISS_ABORT_MSG 0x00
-#define CCISS_RESET_MSG 0x01
-#define CCISS_RESET_TYPE_CONTROLLER 0x00
-#define CCISS_RESET_TYPE_BUS 0x01
-#define CCISS_RESET_TYPE_TARGET 0x03
-#define CCISS_RESET_TYPE_LUN 0x04
-#define CCISS_NOOP_MSG 0x03
-
-/* Command List Structure */
-#define CTLR_LUNID "\0\0\0\0\0\0\0\0"
-
-typedef struct _CommandListHeader_struct {
- BYTE ReplyQueue;
- BYTE SGList;
- HWORD SGTotal;
- QWORD Tag;
- LUNAddr_struct LUN;
-} CommandListHeader_struct;
-typedef struct _ErrDescriptor_struct {
- QWORD Addr;
- DWORD Len;
-} ErrDescriptor_struct;
-typedef struct _SGDescriptor_struct {
- QWORD Addr;
- DWORD Len;
- DWORD Ext;
-} SGDescriptor_struct;
-
-/* Command types */
-#define CMD_RWREQ 0x00
-#define CMD_IOCTL_PEND 0x01
-#define CMD_SCSI 0x03
-#define CMD_MSG_DONE 0x04
-#define CMD_MSG_TIMEOUT 0x05
-#define CMD_MSG_STALE 0xff
-
-/* This structure needs to be divisible by COMMANDLIST_ALIGNMENT
- * because low bits of the address are used to to indicate that
- * whether the tag contains an index or an address. PAD_32 and
- * PAD_64 can be adjusted independently as needed for 32-bit
- * and 64-bits systems.
- */
-#define COMMANDLIST_ALIGNMENT (32)
-#define IS_64_BIT ((sizeof(long) - 4)/4)
-#define IS_32_BIT (!IS_64_BIT)
-#define PAD_32 (0)
-#define PAD_64 (4)
-#define PADSIZE (IS_32_BIT * PAD_32 + IS_64_BIT * PAD_64)
-#define DIRECT_LOOKUP_BIT 0x10
-#define DIRECT_LOOKUP_SHIFT 5
-
-typedef struct _CommandList_struct {
- CommandListHeader_struct Header;
- RequestBlock_struct Request;
- ErrDescriptor_struct ErrDesc;
- SGDescriptor_struct SG[MAXSGENTRIES];
- /* information associated with the command */
- __u32 busaddr; /* physical address of this record */
- ErrorInfo_struct * err_info; /* pointer to the allocated mem */
- int ctlr;
- int cmd_type;
- long cmdindex;
- struct list_head list;
- struct request * rq;
- struct completion *waiting;
- int retry_count;
- void * scsi_cmd;
- char pad[PADSIZE];
-} CommandList_struct;
-
-/* Configuration Table Structure */
-typedef struct _HostWrite_struct {
- DWORD TransportRequest;
- DWORD Reserved;
- DWORD CoalIntDelay;
- DWORD CoalIntCount;
-} HostWrite_struct;
-
-typedef struct _CfgTable_struct {
- BYTE Signature[4];
- DWORD SpecValence;
-#define SIMPLE_MODE 0x02
-#define PERFORMANT_MODE 0x04
-#define MEMQ_MODE 0x08
- DWORD TransportSupport;
- DWORD TransportActive;
- HostWrite_struct HostWrite;
- DWORD CmdsOutMax;
- DWORD BusTypes;
- DWORD TransMethodOffset;
- BYTE ServerName[16];
- DWORD HeartBeat;
- DWORD SCSI_Prefetch;
- DWORD MaxSGElements;
- DWORD MaxLogicalUnits;
- DWORD MaxPhysicalDrives;
- DWORD MaxPhysicalDrivesPerLogicalUnit;
- DWORD MaxPerformantModeCommands;
- u8 reserved[0x78 - 0x58];
- u32 misc_fw_support; /* offset 0x78 */
-#define MISC_FW_DOORBELL_RESET (0x02)
-#define MISC_FW_DOORBELL_RESET2 (0x10)
- u8 driver_version[32];
-} CfgTable_struct;
-
-struct TransTable_struct {
- u32 BlockFetch0;
- u32 BlockFetch1;
- u32 BlockFetch2;
- u32 BlockFetch3;
- u32 BlockFetch4;
- u32 BlockFetch5;
- u32 BlockFetch6;
- u32 BlockFetch7;
- u32 RepQSize;
- u32 RepQCount;
- u32 RepQCtrAddrLow32;
- u32 RepQCtrAddrHigh32;
- u32 RepQAddr0Low32;
- u32 RepQAddr0High32;
-};
-
-#pragma pack()
-#endif /* CCISS_CMD_H */
diff --git a/drivers/block/cciss_scsi.c b/drivers/block/cciss_scsi.c
deleted file mode 100644
index 01a1f7e24978..000000000000
--- a/drivers/block/cciss_scsi.c
+++ /dev/null
@@ -1,1653 +0,0 @@
-/*
- * Disk Array driver for HP Smart Array controllers, SCSI Tape module.
- * (C) Copyright 2001, 2007 Hewlett-Packard Development Company, L.P.
- *
- * 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; version 2 of the License.
- *
- * 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, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 300, Boston, MA
- * 02111-1307, USA.
- *
- * Questions/Comments/Bugfixes to iss_storagedev@hp.com
- *
- * Author: Stephen M. Cameron
- */
-#ifdef CONFIG_CISS_SCSI_TAPE
-
-/* Here we have code to present the driver as a scsi driver
- as it is simultaneously presented as a block driver. The
- reason for doing this is to allow access to SCSI tape drives
- through the array controller. Note in particular, neither
- physical nor logical disks are presented through the scsi layer. */
-
-#include <linux/timer.h>
-#include <linux/completion.h>
-#include <linux/slab.h>
-#include <linux/string.h>
-
-#include <linux/atomic.h>
-
-#include <scsi/scsi_cmnd.h>
-#include <scsi/scsi_device.h>
-#include <scsi/scsi_host.h>
-
-#include "cciss_scsi.h"
-
-#define CCISS_ABORT_MSG 0x00
-#define CCISS_RESET_MSG 0x01
-
-static int fill_cmd(ctlr_info_t *h, CommandList_struct *c, __u8 cmd, void *buff,
- size_t size,
- __u8 page_code, unsigned char *scsi3addr,
- int cmd_type);
-
-static CommandList_struct *cmd_alloc(ctlr_info_t *h);
-static CommandList_struct *cmd_special_alloc(ctlr_info_t *h);
-static void cmd_free(ctlr_info_t *h, CommandList_struct *c);
-static void cmd_special_free(ctlr_info_t *h, CommandList_struct *c);
-
-static int cciss_scsi_write_info(struct Scsi_Host *sh,
- char *buffer, /* data buffer */
- int length); /* length of data in buffer */
-static int cciss_scsi_show_info(struct seq_file *m,
- struct Scsi_Host *sh);
-
-static int cciss_scsi_queue_command (struct Scsi_Host *h,
- struct scsi_cmnd *cmd);
-static int cciss_eh_device_reset_handler(struct scsi_cmnd *);
-static int cciss_eh_abort_handler(struct scsi_cmnd *);
-
-static struct cciss_scsi_hba_t ccissscsi[MAX_CTLR] = {
- { .name = "cciss0", .ndevices = 0 },
- { .name = "cciss1", .ndevices = 0 },
- { .name = "cciss2", .ndevices = 0 },
- { .name = "cciss3", .ndevices = 0 },
- { .name = "cciss4", .ndevices = 0 },
- { .name = "cciss5", .ndevices = 0 },
- { .name = "cciss6", .ndevices = 0 },
- { .name = "cciss7", .ndevices = 0 },
-};
-
-static struct scsi_host_template cciss_driver_template = {
- .module = THIS_MODULE,
- .name = "cciss",
- .proc_name = "cciss",
- .write_info = cciss_scsi_write_info,
- .show_info = cciss_scsi_show_info,
- .queuecommand = cciss_scsi_queue_command,
- .this_id = 7,
- .use_clustering = DISABLE_CLUSTERING,
- /* Can't have eh_bus_reset_handler or eh_host_reset_handler for cciss */
- .eh_device_reset_handler= cciss_eh_device_reset_handler,
- .eh_abort_handler = cciss_eh_abort_handler,
-};
-
-#pragma pack(1)
-
-#define SCSI_PAD_32 8
-#define SCSI_PAD_64 8
-
-struct cciss_scsi_cmd_stack_elem_t {
- CommandList_struct cmd;
- ErrorInfo_struct Err;
- __u32 busaddr;
- int cmdindex;
- u8 pad[IS_32_BIT * SCSI_PAD_32 + IS_64_BIT * SCSI_PAD_64];
-};
-
-#pragma pack()
-
-#pragma pack(1)
-struct cciss_scsi_cmd_stack_t {
- struct cciss_scsi_cmd_stack_elem_t *pool;
- struct cciss_scsi_cmd_stack_elem_t **elem;
- dma_addr_t cmd_pool_handle;
- int top;
- int nelems;
-};
-#pragma pack()
-
-struct cciss_scsi_adapter_data_t {
- struct Scsi_Host *scsi_host;
- struct cciss_scsi_cmd_stack_t cmd_stack;
- SGDescriptor_struct **cmd_sg_list;
- int registered;
- spinlock_t lock; // to protect ccissscsi[ctlr];
-};
-
-#define CPQ_TAPE_LOCK(h, flags) spin_lock_irqsave( \
- &h->scsi_ctlr->lock, flags);
-#define CPQ_TAPE_UNLOCK(h, flags) spin_unlock_irqrestore( \
- &h->scsi_ctlr->lock, flags);
-
-static CommandList_struct *
-scsi_cmd_alloc(ctlr_info_t *h)
-{
- /* assume only one process in here at a time, locking done by caller. */
- /* use h->lock */
- /* might be better to rewrite how we allocate scsi commands in a way that */
- /* needs no locking at all. */
-
- /* take the top memory chunk off the stack and return it, if any. */
- struct cciss_scsi_cmd_stack_elem_t *c;
- struct cciss_scsi_adapter_data_t *sa;
- struct cciss_scsi_cmd_stack_t *stk;
- u64bit temp64;
-
- sa = h->scsi_ctlr;
- stk = &sa->cmd_stack;
-
- if (stk->top < 0)
- return NULL;
- c = stk->elem[stk->top];
- /* memset(c, 0, sizeof(*c)); */
- memset(&c->cmd, 0, sizeof(c->cmd));
- memset(&c->Err, 0, sizeof(c->Err));
- /* set physical addr of cmd and addr of scsi parameters */
- c->cmd.busaddr = c->busaddr;
- c->cmd.cmdindex = c->cmdindex;
- /* (__u32) (stk->cmd_pool_handle +
- (sizeof(struct cciss_scsi_cmd_stack_elem_t)*stk->top)); */
-
- temp64.val = (__u64) (c->busaddr + sizeof(CommandList_struct));
- /* (__u64) (stk->cmd_pool_handle +
- (sizeof(struct cciss_scsi_cmd_stack_elem_t)*stk->top) +
- sizeof(CommandList_struct)); */
- stk->top--;
- c->cmd.ErrDesc.Addr.lower = temp64.val32.lower;
- c->cmd.ErrDesc.Addr.upper = temp64.val32.upper;
- c->cmd.ErrDesc.Len = sizeof(ErrorInfo_struct);
-
- c->cmd.ctlr = h->ctlr;
- c->cmd.err_info = &c->Err;
-
- return (CommandList_struct *) c;
-}
-
-static void
-scsi_cmd_free(ctlr_info_t *h, CommandList_struct *c)
-{
- /* assume only one process in here at a time, locking done by caller. */
- /* use h->lock */
- /* drop the free memory chunk on top of the stack. */
-
- struct cciss_scsi_adapter_data_t *sa;
- struct cciss_scsi_cmd_stack_t *stk;
-
- sa = h->scsi_ctlr;
- stk = &sa->cmd_stack;
- stk->top++;
- if (stk->top >= stk->nelems) {
- dev_err(&h->pdev->dev,
- "scsi_cmd_free called too many times.\n");
- BUG();
- }
- stk->elem[stk->top] = (struct cciss_scsi_cmd_stack_elem_t *) c;
-}
-
-static int
-scsi_cmd_stack_setup(ctlr_info_t *h, struct cciss_scsi_adapter_data_t *sa)
-{
- int i;
- struct cciss_scsi_cmd_stack_t *stk;
- size_t size;
-
- stk = &sa->cmd_stack;
- stk->nelems = cciss_tape_cmds + 2;
- sa->cmd_sg_list = cciss_allocate_sg_chain_blocks(h,
- h->chainsize, stk->nelems);
- if (!sa->cmd_sg_list && h->chainsize > 0)
- return -ENOMEM;
-
- size = sizeof(struct cciss_scsi_cmd_stack_elem_t) * stk->nelems;
-
- /* Check alignment, see cciss_cmd.h near CommandList_struct def. */
- BUILD_BUG_ON((sizeof(*stk->pool) % COMMANDLIST_ALIGNMENT) != 0);
- /* pci_alloc_consistent guarantees 32-bit DMA address will be used */
- stk->pool = (struct cciss_scsi_cmd_stack_elem_t *)
- pci_alloc_consistent(h->pdev, size, &stk->cmd_pool_handle);
-
- if (stk->pool == NULL) {
- cciss_free_sg_chain_blocks(sa->cmd_sg_list, stk->nelems);
- sa->cmd_sg_list = NULL;
- return -ENOMEM;
- }
- stk->elem = kmalloc(sizeof(stk->elem[0]) * stk->nelems, GFP_KERNEL);
- if (!stk->elem) {
- pci_free_consistent(h->pdev, size, stk->pool,
- stk->cmd_pool_handle);
- return -1;
- }
- for (i = 0; i < stk->nelems; i++) {
- stk->elem[i] = &stk->pool[i];
- stk->elem[i]->busaddr = (__u32) (stk->cmd_pool_handle +
- (sizeof(struct cciss_scsi_cmd_stack_elem_t) * i));
- stk->elem[i]->cmdindex = i;
- }
- stk->top = stk->nelems-1;
- return 0;
-}
-
-static void
-scsi_cmd_stack_free(ctlr_info_t *h)
-{
- struct cciss_scsi_adapter_data_t *sa;
- struct cciss_scsi_cmd_stack_t *stk;
- size_t size;
-
- sa = h->scsi_ctlr;
- stk = &sa->cmd_stack;
- if (stk->top != stk->nelems-1) {
- dev_warn(&h->pdev->dev,
- "bug: %d scsi commands are still outstanding.\n",
- stk->nelems - stk->top);
- }
- size = sizeof(struct cciss_scsi_cmd_stack_elem_t) * stk->nelems;
-
- pci_free_consistent(h->pdev, size, stk->pool, stk->cmd_pool_handle);
- stk->pool = NULL;
- cciss_free_sg_chain_blocks(sa->cmd_sg_list, stk->nelems);
- kfree(stk->elem);
- stk->elem = NULL;
-}
-
-#if 0
-static void
-print_cmd(CommandList_struct *cp)
-{
- printk("queue:%d\n", cp->Header.ReplyQueue);
- printk("sglist:%d\n", cp->Header.SGList);
- printk("sgtot:%d\n", cp->Header.SGTotal);
- printk("Tag:0x%08x/0x%08x\n", cp->Header.Tag.upper,
- cp->Header.Tag.lower);
- printk("LUN:0x%8phN\n", cp->Header.LUN.LunAddrBytes);
- printk("CDBLen:%d\n", cp->Request.CDBLen);
- printk("Type:%d\n",cp->Request.Type.Type);
- printk("Attr:%d\n",cp->Request.Type.Attribute);
- printk(" Dir:%d\n",cp->Request.Type.Direction);
- printk("Timeout:%d\n",cp->Request.Timeout);
- printk("CDB: %16ph\n", cp->Request.CDB);
- printk("edesc.Addr: 0x%08x/0%08x, Len = %d\n",
- cp->ErrDesc.Addr.upper, cp->ErrDesc.Addr.lower,
- cp->ErrDesc.Len);
- printk("sgs..........Errorinfo:\n");
- printk("scsistatus:%d\n", cp->err_info->ScsiStatus);
- printk("senselen:%d\n", cp->err_info->SenseLen);
- printk("cmd status:%d\n", cp->err_info->CommandStatus);
- printk("resid cnt:%d\n", cp->err_info->ResidualCnt);
- printk("offense size:%d\n", cp->err_info->MoreErrInfo.Invalid_Cmd.offense_size);
- printk("offense byte:%d\n", cp->err_info->MoreErrInfo.Invalid_Cmd.offense_num);
- printk("offense value:%d\n", cp->err_info->MoreErrInfo.Invalid_Cmd.offense_value);
-}
-#endif
-
-static int
-find_bus_target_lun(ctlr_info_t *h, int *bus, int *target, int *lun)
-{
- /* finds an unused bus, target, lun for a new device */
- /* assumes h->scsi_ctlr->lock is held */
- int i, found=0;
- unsigned char target_taken[CCISS_MAX_SCSI_DEVS_PER_HBA];
-
- memset(&target_taken[0], 0, CCISS_MAX_SCSI_DEVS_PER_HBA);
-
- target_taken[SELF_SCSI_ID] = 1;
- for (i = 0; i < ccissscsi[h->ctlr].ndevices; i++)
- target_taken[ccissscsi[h->ctlr].dev[i].target] = 1;
-
- for (i = 0; i < CCISS_MAX_SCSI_DEVS_PER_HBA; i++) {
- if (!target_taken[i]) {
- *bus = 0; *target=i; *lun = 0; found=1;
- break;
- }
- }
- return (!found);
-}
-struct scsi2map {
- char scsi3addr[8];
- int bus, target, lun;
-};
-
-static int
-cciss_scsi_add_entry(ctlr_info_t *h, int hostno,
- struct cciss_scsi_dev_t *device,
- struct scsi2map *added, int *nadded)
-{
- /* assumes h->scsi_ctlr->lock is held */
- int n = ccissscsi[h->ctlr].ndevices;
- struct cciss_scsi_dev_t *sd;
- int i, bus, target, lun;
- unsigned char addr1[8], addr2[8];
-
- if (n >= CCISS_MAX_SCSI_DEVS_PER_HBA) {
- dev_warn(&h->pdev->dev, "Too many devices, "
- "some will be inaccessible.\n");
- return -1;
- }
-
- bus = target = -1;
- lun = 0;
- /* Is this device a non-zero lun of a multi-lun device */
- /* byte 4 of the 8-byte LUN addr will contain the logical unit no. */
- if (device->scsi3addr[4] != 0) {
- /* Search through our list and find the device which */
- /* has the same 8 byte LUN address, excepting byte 4. */
- /* Assign the same bus and target for this new LUN. */
- /* Use the logical unit number from the firmware. */
- memcpy(addr1, device->scsi3addr, 8);
- addr1[4] = 0;
- for (i = 0; i < n; i++) {
- sd = &ccissscsi[h->ctlr].dev[i];
- memcpy(addr2, sd->scsi3addr, 8);
- addr2[4] = 0;
- /* differ only in byte 4? */
- if (memcmp(addr1, addr2, 8) == 0) {
- bus = sd->bus;
- target = sd->target;
- lun = device->scsi3addr[4];
- break;
- }
- }
- }
-
- sd = &ccissscsi[h->ctlr].dev[n];
- if (lun == 0) {
- if (find_bus_target_lun(h,
- &sd->bus, &sd->target, &sd->lun) != 0)
- return -1;
- } else {
- sd->bus = bus;
- sd->target = target;
- sd->lun = lun;
- }
- added[*nadded].bus = sd->bus;
- added[*nadded].target = sd->target;
- added[*nadded].lun = sd->lun;
- (*nadded)++;
-
- memcpy(sd->scsi3addr, device->scsi3addr, 8);
- memcpy(sd->vendor, device->vendor, sizeof(sd->vendor));
- memcpy(sd->revision, device->revision, sizeof(sd->revision));
- memcpy(sd->device_id, device->device_id, sizeof(sd->device_id));
- sd->devtype = device->devtype;
-
- ccissscsi[h->ctlr].ndevices++;
-
- /* initially, (before registering with scsi layer) we don't
- know our hostno and we don't want to print anything first
- time anyway (the scsi layer's inquiries will show that info) */
- if (hostno != -1)
- dev_info(&h->pdev->dev, "%s device c%db%dt%dl%d added.\n",
- scsi_device_type(sd->devtype), hostno,
- sd->bus, sd->target, sd->lun);
- return 0;
-}
-
-static void
-cciss_scsi_remove_entry(ctlr_info_t *h, int hostno, int entry,
- struct scsi2map *removed, int *nremoved)
-{
- /* assumes h->ctlr]->scsi_ctlr->lock is held */
- int i;
- struct cciss_scsi_dev_t sd;
-
- if (entry < 0 || entry >= CCISS_MAX_SCSI_DEVS_PER_HBA) return;
- sd = ccissscsi[h->ctlr].dev[entry];
- removed[*nremoved].bus = sd.bus;
- removed[*nremoved].target = sd.target;
- removed[*nremoved].lun = sd.lun;
- (*nremoved)++;
- for (i = entry; i < ccissscsi[h->ctlr].ndevices-1; i++)
- ccissscsi[h->ctlr].dev[i] = ccissscsi[h->ctlr].dev[i+1];
- ccissscsi[h->ctlr].ndevices--;
- dev_info(&h->pdev->dev, "%s device c%db%dt%dl%d removed.\n",
- scsi_device_type(sd.devtype), hostno,
- sd.bus, sd.target, sd.lun);
-}
-
-
-#define SCSI3ADDR_EQ(a,b) ( \
- (a)[7] == (b)[7] && \
- (a)[6] == (b)[6] && \
- (a)[5] == (b)[5] && \
- (a)[4] == (b)[4] && \
- (a)[3] == (b)[3] && \
- (a)[2] == (b)[2] && \
- (a)[1] == (b)[1] && \
- (a)[0] == (b)[0])
-
-static void fixup_botched_add(ctlr_info_t *h, char *scsi3addr)
-{
- /* called when scsi_add_device fails in order to re-adjust */
- /* ccissscsi[] to match the mid layer's view. */
- unsigned long flags;
- int i, j;
- CPQ_TAPE_LOCK(h, flags);
- for (i = 0; i < ccissscsi[h->ctlr].ndevices; i++) {
- if (memcmp(scsi3addr,
- ccissscsi[h->ctlr].dev[i].scsi3addr, 8) == 0) {
- for (j = i; j < ccissscsi[h->ctlr].ndevices-1; j++)
- ccissscsi[h->ctlr].dev[j] =
- ccissscsi[h->ctlr].dev[j+1];
- ccissscsi[h->ctlr].ndevices--;
- break;
- }
- }
- CPQ_TAPE_UNLOCK(h, flags);
-}
-
-static int device_is_the_same(struct cciss_scsi_dev_t *dev1,
- struct cciss_scsi_dev_t *dev2)
-{
- return dev1->devtype == dev2->devtype &&
- memcmp(dev1->scsi3addr, dev2->scsi3addr,
- sizeof(dev1->scsi3addr)) == 0 &&
- memcmp(dev1->device_id, dev2->device_id,
- sizeof(dev1->device_id)) == 0 &&
- memcmp(dev1->vendor, dev2->vendor,
- sizeof(dev1->vendor)) == 0 &&
- memcmp(dev1->model, dev2->model,
- sizeof(dev1->model)) == 0 &&
- memcmp(dev1->revision, dev2->revision,
- sizeof(dev1->revision)) == 0;
-}
-
-static int
-adjust_cciss_scsi_table(ctlr_info_t *h, int hostno,
- struct cciss_scsi_dev_t sd[], int nsds)
-{
- /* sd contains scsi3 addresses and devtypes, but
- bus target and lun are not filled in. This funciton
- takes what's in sd to be the current and adjusts
- ccissscsi[] to be in line with what's in sd. */
-
- int i,j, found, changes=0;
- struct cciss_scsi_dev_t *csd;
- unsigned long flags;
- struct scsi2map *added, *removed;
- int nadded, nremoved;
- struct Scsi_Host *sh = NULL;
-
- added = kzalloc(sizeof(*added) * CCISS_MAX_SCSI_DEVS_PER_HBA,
- GFP_KERNEL);
- removed = kzalloc(sizeof(*removed) * CCISS_MAX_SCSI_DEVS_PER_HBA,
- GFP_KERNEL);
-
- if (!added || !removed) {
- dev_warn(&h->pdev->dev,
- "Out of memory in adjust_cciss_scsi_table\n");
- goto free_and_out;
- }
-
- CPQ_TAPE_LOCK(h, flags);
-
- if (hostno != -1) /* if it's not the first time... */
- sh = h->scsi_ctlr->scsi_host;
-
- /* find any devices in ccissscsi[] that are not in
- sd[] and remove them from ccissscsi[] */
-
- i = 0;
- nremoved = 0;
- nadded = 0;
- while (i < ccissscsi[h->ctlr].ndevices) {
- csd = &ccissscsi[h->ctlr].dev[i];
- found=0;
- for (j=0;j<nsds;j++) {
- if (SCSI3ADDR_EQ(sd[j].scsi3addr,
- csd->scsi3addr)) {
- if (device_is_the_same(&sd[j], csd))
- found=2;
- else
- found=1;
- break;
- }
- }
-
- if (found == 0) { /* device no longer present. */
- changes++;
- cciss_scsi_remove_entry(h, hostno, i,
- removed, &nremoved);
- /* remove ^^^, hence i not incremented */
- } else if (found == 1) { /* device is different in some way */
- changes++;
- dev_info(&h->pdev->dev,
- "device c%db%dt%dl%d has changed.\n",
- hostno, csd->bus, csd->target, csd->lun);
- cciss_scsi_remove_entry(h, hostno, i,
- removed, &nremoved);
- /* remove ^^^, hence i not incremented */
- if (cciss_scsi_add_entry(h, hostno, &sd[j],
- added, &nadded) != 0)
- /* we just removed one, so add can't fail. */
- BUG();
- csd->devtype = sd[j].devtype;
- memcpy(csd->device_id, sd[j].device_id,
- sizeof(csd->device_id));
- memcpy(csd->vendor, sd[j].vendor,
- sizeof(csd->vendor));
- memcpy(csd->model, sd[j].model,
- sizeof(csd->model));
- memcpy(csd->revision, sd[j].revision,
- sizeof(csd->revision));
- } else /* device is same as it ever was, */
- i++; /* so just move along. */
- }
-
- /* Now, make sure every device listed in sd[] is also
- listed in ccissscsi[], adding them if they aren't found */
-
- for (i=0;i<nsds;i++) {
- found=0;
- for (j = 0; j < ccissscsi[h->ctlr].ndevices; j++) {
- csd = &ccissscsi[h->ctlr].dev[j];
- if (SCSI3ADDR_EQ(sd[i].scsi3addr,
- csd->scsi3addr)) {
- if (device_is_the_same(&sd[i], csd))
- found=2; /* found device */
- else
- found=1; /* found a bug. */
- break;
- }
- }
- if (!found) {
- changes++;
- if (cciss_scsi_add_entry(h, hostno, &sd[i],
- added, &nadded) != 0)
- break;
- } else if (found == 1) {
- /* should never happen... */
- changes++;
- dev_warn(&h->pdev->dev,
- "device unexpectedly changed\n");
- /* but if it does happen, we just ignore that device */
- }
- }
- CPQ_TAPE_UNLOCK(h, flags);
-
- /* Don't notify scsi mid layer of any changes the first time through */
- /* (or if there are no changes) scsi_scan_host will do it later the */
- /* first time through. */
- if (hostno == -1 || !changes)
- goto free_and_out;
-
- /* Notify scsi mid layer of any removed devices */
- for (i = 0; i < nremoved; i++) {
- struct scsi_device *sdev =
- scsi_device_lookup(sh, removed[i].bus,
- removed[i].target, removed[i].lun);
- if (sdev != NULL) {
- scsi_remove_device(sdev);
- scsi_device_put(sdev);
- } else {
- /* We don't expect to get here. */
- /* future cmds to this device will get selection */
- /* timeout as if the device was gone. */
- dev_warn(&h->pdev->dev, "didn't find "
- "c%db%dt%dl%d\n for removal.",
- hostno, removed[i].bus,
- removed[i].target, removed[i].lun);
- }
- }
-
- /* Notify scsi mid layer of any added devices */
- for (i = 0; i < nadded; i++) {
- int rc;
- rc = scsi_add_device(sh, added[i].bus,
- added[i].target, added[i].lun);
- if (rc == 0)
- continue;
- dev_warn(&h->pdev->dev, "scsi_add_device "
- "c%db%dt%dl%d failed, device not added.\n",
- hostno, added[i].bus, added[i].target, added[i].lun);
- /* now we have to remove it from ccissscsi, */
- /* since it didn't get added to scsi mid layer */
- fixup_botched_add(h, added[i].scsi3addr);
- }
-
-free_and_out:
- kfree(added);
- kfree(removed);
- return 0;
-}
-
-static int
-lookup_scsi3addr(ctlr_info_t *h, int bus, int target, int lun, char *scsi3addr)
-{
- int i;
- struct cciss_scsi_dev_t *sd;
- unsigned long flags;
-
- CPQ_TAPE_LOCK(h, flags);
- for (i = 0; i < ccissscsi[h->ctlr].ndevices; i++) {
- sd = &ccissscsi[h->ctlr].dev[i];
- if (sd->bus == bus &&
- sd->target == target &&
- sd->lun == lun) {
- memcpy(scsi3addr, &sd->scsi3addr[0], 8);
- CPQ_TAPE_UNLOCK(h, flags);
- return 0;
- }
- }
- CPQ_TAPE_UNLOCK(h, flags);
- return -1;
-}
-
-static void
-cciss_scsi_setup(ctlr_info_t *h)
-{
- struct cciss_scsi_adapter_data_t * shba;
-
- ccissscsi[h->ctlr].ndevices = 0;
- shba = kmalloc(sizeof(*shba), GFP_KERNEL);
- if (shba == NULL)
- return;
- shba->scsi_host = NULL;
- spin_lock_init(&shba->lock);
- shba->registered = 0;
- if (scsi_cmd_stack_setup(h, shba) != 0) {
- kfree(shba);
- shba = NULL;
- }
- h->scsi_ctlr = shba;
- return;
-}
-
-static void complete_scsi_command(CommandList_struct *c, int timeout,
- __u32 tag)
-{
- struct scsi_cmnd *cmd;
- ctlr_info_t *h;
- ErrorInfo_struct *ei;
-
- ei = c->err_info;
-
- /* First, see if it was a message rather than a command */
- if (c->Request.Type.Type == TYPE_MSG) {
- c->cmd_type = CMD_MSG_DONE;
- return;
- }
-
- cmd = (struct scsi_cmnd *) c->scsi_cmd;
- h = hba[c->ctlr];
-
- scsi_dma_unmap(cmd);
- if (c->Header.SGTotal > h->max_cmd_sgentries)
- cciss_unmap_sg_chain_block(h, c);
-
- cmd->result = (DID_OK << 16); /* host byte */
- cmd->result |= (COMMAND_COMPLETE << 8); /* msg byte */
- /* cmd->result |= (GOOD < 1); */ /* status byte */
-
- cmd->result |= (ei->ScsiStatus);
- /* printk("Scsistatus is 0x%02x\n", ei->ScsiStatus); */
-
- /* copy the sense data whether we need to or not. */
-
- memcpy(cmd->sense_buffer, ei->SenseInfo,
- ei->SenseLen > SCSI_SENSE_BUFFERSIZE ?
- SCSI_SENSE_BUFFERSIZE :
- ei->SenseLen);
- scsi_set_resid(cmd, ei->ResidualCnt);
-
- if (ei->CommandStatus != 0) { /* an error has occurred */
- switch (ei->CommandStatus) {
- case CMD_TARGET_STATUS:
- /* Pass it up to the upper layers... */
- if (!ei->ScsiStatus) {
-
- /* Ordinarily, this case should never happen, but there is a bug
- in some released firmware revisions that allows it to happen
- if, for example, a 4100 backplane loses power and the tape
- drive is in it. We assume that it's a fatal error of some
- kind because we can't show that it wasn't. We will make it
- look like selection timeout since that is the most common
- reason for this to occur, and it's severe enough. */
-
- cmd->result = DID_NO_CONNECT << 16;
- }
- break;
- case CMD_DATA_UNDERRUN: /* let mid layer handle it. */
- break;
- case CMD_DATA_OVERRUN:
- dev_warn(&h->pdev->dev, "%p has"
- " completed with data overrun "
- "reported\n", c);
- break;
- case CMD_INVALID: {
- /*
- print_hex_dump(KERN_INFO, "", DUMP_PREFIX_OFFSET, 16, 1, c, sizeof(*c), false);
- print_cmd(c);
- */
- /* We get CMD_INVALID if you address a non-existent tape drive instead
- of a selection timeout (no response). You will see this if you yank
- out a tape drive, then try to access it. This is kind of a shame
- because it means that any other CMD_INVALID (e.g. driver bug) will
- get interpreted as a missing target. */
- cmd->result = DID_NO_CONNECT << 16;
- }
- break;
- case CMD_PROTOCOL_ERR:
- cmd->result = DID_ERROR << 16;
- dev_warn(&h->pdev->dev,
- "%p has protocol error\n", c);
- break;
- case CMD_HARDWARE_ERR:
- cmd->result = DID_ERROR << 16;
- dev_warn(&h->pdev->dev,
- "%p had hardware error\n", c);
- break;
- case CMD_CONNECTION_LOST:
- cmd->result = DID_ERROR << 16;
- dev_warn(&h->pdev->dev,
- "%p had connection lost\n", c);
- break;
- case CMD_ABORTED:
- cmd->result = DID_ABORT << 16;
- dev_warn(&h->pdev->dev, "%p was aborted\n", c);
- break;
- case CMD_ABORT_FAILED:
- cmd->result = DID_ERROR << 16;
- dev_warn(&h->pdev->dev,
- "%p reports abort failed\n", c);
- break;
- case CMD_UNSOLICITED_ABORT:
- cmd->result = DID_ABORT << 16;
- dev_warn(&h->pdev->dev, "%p aborted due to an "
- "unsolicited abort\n", c);
- break;
- case CMD_TIMEOUT:
- cmd->result = DID_TIME_OUT << 16;
- dev_warn(&h->pdev->dev, "%p timedout\n", c);
- break;
- case CMD_UNABORTABLE:
- cmd->result = DID_ERROR << 16;
- dev_warn(&h->pdev->dev, "c %p command "
- "unabortable\n", c);
- break;
- default:
- cmd->result = DID_ERROR << 16;
- dev_warn(&h->pdev->dev,
- "%p returned unknown status %x\n", c,
- ei->CommandStatus);
- }
- }
- cmd->scsi_done(cmd);
- scsi_cmd_free(h, c);
-}
-
-static int
-cciss_scsi_detect(ctlr_info_t *h)
-{
- struct Scsi_Host *sh;
- int error;
-
- sh = scsi_host_alloc(&cciss_driver_template, sizeof(struct ctlr_info *));
- if (sh == NULL)
- goto fail;
- sh->io_port = 0; // good enough? FIXME,
- sh->n_io_port = 0; // I don't think we use these two...
- sh->this_id = SELF_SCSI_ID;
- sh->can_queue = cciss_tape_cmds;
- sh->sg_tablesize = h->maxsgentries;
- sh->max_cmd_len = MAX_COMMAND_SIZE;
- sh->max_sectors = h->cciss_max_sectors;
-
- ((struct cciss_scsi_adapter_data_t *)
- h->scsi_ctlr)->scsi_host = sh;
- sh->hostdata[0] = (unsigned long) h;
- sh->irq = h->intr[SIMPLE_MODE_INT];
- sh->unique_id = sh->irq;
- error = scsi_add_host(sh, &h->pdev->dev);
- if (error)
- goto fail_host_put;
- scsi_scan_host(sh);
- return 1;
-
- fail_host_put:
- scsi_host_put(sh);
- fail:
- return 0;
-}
-
-static void
-cciss_unmap_one(struct pci_dev *pdev,
- CommandList_struct *c,
- size_t buflen,
- int data_direction)
-{
- u64bit addr64;
-
- addr64.val32.lower = c->SG[0].Addr.lower;
- addr64.val32.upper = c->SG[0].Addr.upper;
- pci_unmap_single(pdev, (dma_addr_t) addr64.val, buflen, data_direction);
-}
-
-static void
-cciss_map_one(struct pci_dev *pdev,
- CommandList_struct *c,
- unsigned char *buf,
- size_t buflen,
- int data_direction)
-{
- __u64 addr64;
-
- addr64 = (__u64) pci_map_single(pdev, buf, buflen, data_direction);
- c->SG[0].Addr.lower =
- (__u32) (addr64 & (__u64) 0x00000000FFFFFFFF);
- c->SG[0].Addr.upper =
- (__u32) ((addr64 >> 32) & (__u64) 0x00000000FFFFFFFF);
- c->SG[0].Len = buflen;
- c->Header.SGList = (__u8) 1; /* no. SGs contig in this cmd */
- c->Header.SGTotal = (__u16) 1; /* total sgs in this cmd list */
-}
-
-static int
-cciss_scsi_do_simple_cmd(ctlr_info_t *h,
- CommandList_struct *c,
- unsigned char *scsi3addr,
- unsigned char *cdb,
- unsigned char cdblen,
- unsigned char *buf, int bufsize,
- int direction)
-{
- DECLARE_COMPLETION_ONSTACK(wait);
-
- c->cmd_type = CMD_IOCTL_PEND; /* treat this like an ioctl */
- c->scsi_cmd = NULL;
- c->Header.ReplyQueue = 0; /* unused in simple mode */
- memcpy(&c->Header.LUN, scsi3addr, sizeof(c->Header.LUN));
- c->Header.Tag.lower = c->busaddr; /* Use k. address of cmd as tag */
- // Fill in the request block...
-
- /* printk("Using scsi3addr 0x%02x%0x2%0x2%0x2%0x2%0x2%0x2%0x2\n",
- scsi3addr[0], scsi3addr[1], scsi3addr[2], scsi3addr[3],
- scsi3addr[4], scsi3addr[5], scsi3addr[6], scsi3addr[7]); */
-
- memset(c->Request.CDB, 0, sizeof(c->Request.CDB));
- memcpy(c->Request.CDB, cdb, cdblen);
- c->Request.Timeout = 0;
- c->Request.CDBLen = cdblen;
- c->Request.Type.Type = TYPE_CMD;
- c->Request.Type.Attribute = ATTR_SIMPLE;
- c->Request.Type.Direction = direction;
-
- /* Fill in the SG list and do dma mapping */
- cciss_map_one(h->pdev, c, (unsigned char *) buf,
- bufsize, DMA_FROM_DEVICE);
-
- c->waiting = &wait;
- enqueue_cmd_and_start_io(h, c);
- wait_for_completion(&wait);
-
- /* undo the dma mapping */
- cciss_unmap_one(h->pdev, c, bufsize, DMA_FROM_DEVICE);
- return(0);
-}
-
-static void
-cciss_scsi_interpret_error(ctlr_info_t *h, CommandList_struct *c)
-{
- ErrorInfo_struct *ei;
-
- ei = c->err_info;
- switch (ei->CommandStatus) {
- case CMD_TARGET_STATUS:
- dev_warn(&h->pdev->dev,
- "cmd %p has completed with errors\n", c);
- dev_warn(&h->pdev->dev,
- "cmd %p has SCSI Status = %x\n",
- c, ei->ScsiStatus);
- if (ei->ScsiStatus == 0)
- dev_warn(&h->pdev->dev,
- "SCSI status is abnormally zero. "
- "(probably indicates selection timeout "
- "reported incorrectly due to a known "
- "firmware bug, circa July, 2001.)\n");
- break;
- case CMD_DATA_UNDERRUN: /* let mid layer handle it. */
- dev_info(&h->pdev->dev, "UNDERRUN\n");
- break;
- case CMD_DATA_OVERRUN:
- dev_warn(&h->pdev->dev, "%p has"
- " completed with data overrun "
- "reported\n", c);
- break;
- case CMD_INVALID: {
- /* controller unfortunately reports SCSI passthru's */
- /* to non-existent targets as invalid commands. */
- dev_warn(&h->pdev->dev,
- "%p is reported invalid (probably means "
- "target device no longer present)\n", c);
- /*
- print_hex_dump(KERN_INFO, "", DUMP_PREFIX_OFFSET, 16, 1, c, sizeof(*c), false);
- print_cmd(c);
- */
- }
- break;
- case CMD_PROTOCOL_ERR:
- dev_warn(&h->pdev->dev, "%p has protocol error\n", c);
- break;
- case CMD_HARDWARE_ERR:
- /* cmd->result = DID_ERROR << 16; */
- dev_warn(&h->pdev->dev, "%p had hardware error\n", c);
- break;
- case CMD_CONNECTION_LOST:
- dev_warn(&h->pdev->dev, "%p had connection lost\n", c);
- break;
- case CMD_ABORTED:
- dev_warn(&h->pdev->dev, "%p was aborted\n", c);
- break;
- case CMD_ABORT_FAILED:
- dev_warn(&h->pdev->dev,
- "%p reports abort failed\n", c);
- break;
- case CMD_UNSOLICITED_ABORT:
- dev_warn(&h->pdev->dev,
- "%p aborted due to an unsolicited abort\n", c);
- break;
- case CMD_TIMEOUT:
- dev_warn(&h->pdev->dev, "%p timedout\n", c);
- break;
- case CMD_UNABORTABLE:
- dev_warn(&h->pdev->dev,
- "%p unabortable\n", c);
- break;
- default:
- dev_warn(&h->pdev->dev,
- "%p returned unknown status %x\n",
- c, ei->CommandStatus);
- }
-}
-
-static int
-cciss_scsi_do_inquiry(ctlr_info_t *h, unsigned char *scsi3addr,
- unsigned char page, unsigned char *buf,
- unsigned char bufsize)
-{
- int rc;
- CommandList_struct *c;
- char cdb[6];
- ErrorInfo_struct *ei;
- unsigned long flags;
-
- spin_lock_irqsave(&h->lock, flags);
- c = scsi_cmd_alloc(h);
- spin_unlock_irqrestore(&h->lock, flags);
-
- if (c == NULL) { /* trouble... */
- printk("cmd_alloc returned NULL!\n");
- return -1;
- }
-
- ei = c->err_info;
-
- cdb[0] = CISS_INQUIRY;
- cdb[1] = (page != 0);
- cdb[2] = page;
- cdb[3] = 0;
- cdb[4] = bufsize;
- cdb[5] = 0;
- rc = cciss_scsi_do_simple_cmd(h, c, scsi3addr, cdb,
- 6, buf, bufsize, XFER_READ);
-
- if (rc != 0) return rc; /* something went wrong */
-
- if (ei->CommandStatus != 0 &&
- ei->CommandStatus != CMD_DATA_UNDERRUN) {
- cciss_scsi_interpret_error(h, c);
- rc = -1;
- }
- spin_lock_irqsave(&h->lock, flags);
- scsi_cmd_free(h, c);
- spin_unlock_irqrestore(&h->lock, flags);
- return rc;
-}
-
-/* Get the device id from inquiry page 0x83 */
-static int cciss_scsi_get_device_id(ctlr_info_t *h, unsigned char *scsi3addr,
- unsigned char *device_id, int buflen)
-{
- int rc;
- unsigned char *buf;
-
- if (buflen > 16)
- buflen = 16;
- buf = kzalloc(64, GFP_KERNEL);
- if (!buf)
- return -1;
- rc = cciss_scsi_do_inquiry(h, scsi3addr, 0x83, buf, 64);
- if (rc == 0)
- memcpy(device_id, &buf[8], buflen);
- kfree(buf);
- return rc != 0;
-}
-
-static int
-cciss_scsi_do_report_phys_luns(ctlr_info_t *h,
- ReportLunData_struct *buf, int bufsize)
-{
- int rc;
- CommandList_struct *c;
- unsigned char cdb[12];
- unsigned char scsi3addr[8];
- ErrorInfo_struct *ei;
- unsigned long flags;
-
- spin_lock_irqsave(&h->lock, flags);
- c = scsi_cmd_alloc(h);
- spin_unlock_irqrestore(&h->lock, flags);
- if (c == NULL) { /* trouble... */
- printk("cmd_alloc returned NULL!\n");
- return -1;
- }
-
- memset(&scsi3addr[0], 0, 8); /* address the controller */
- cdb[0] = CISS_REPORT_PHYS;
- cdb[1] = 0;
- cdb[2] = 0;
- cdb[3] = 0;
- cdb[4] = 0;
- cdb[5] = 0;
- cdb[6] = (bufsize >> 24) & 0xFF; //MSB
- cdb[7] = (bufsize >> 16) & 0xFF;
- cdb[8] = (bufsize >> 8) & 0xFF;
- cdb[9] = bufsize & 0xFF;
- cdb[10] = 0;
- cdb[11] = 0;
-
- rc = cciss_scsi_do_simple_cmd(h, c, scsi3addr,
- cdb, 12,
- (unsigned char *) buf,
- bufsize, XFER_READ);
-
- if (rc != 0) return rc; /* something went wrong */
-
- ei = c->err_info;
- if (ei->CommandStatus != 0 &&
- ei->CommandStatus != CMD_DATA_UNDERRUN) {
- cciss_scsi_interpret_error(h, c);
- rc = -1;
- }
- spin_lock_irqsave(&h->lock, flags);
- scsi_cmd_free(h, c);
- spin_unlock_irqrestore(&h->lock, flags);
- return rc;
-}
-
-static void
-cciss_update_non_disk_devices(ctlr_info_t *h, int hostno)
-{
- /* the idea here is we could get notified from /proc
- that some devices have changed, so we do a report
- physical luns cmd, and adjust our list of devices
- accordingly. (We can't rely on the scsi-mid layer just
- doing inquiries, because the "busses" that the scsi
- mid-layer probes are totally fabricated by this driver,
- so new devices wouldn't show up.
-
- the scsi3addr's of devices won't change so long as the
- adapter is not reset. That means we can rescan and
- tell which devices we already know about, vs. new
- devices, vs. disappearing devices.
-
- Also, if you yank out a tape drive, then put in a disk
- in it's place, (say, a configured volume from another
- array controller for instance) _don't_ poke this driver
- (so it thinks it's still a tape, but _do_ poke the scsi
- mid layer, so it does an inquiry... the scsi mid layer
- will see the physical disk. This would be bad. Need to
- think about how to prevent that. One idea would be to
- snoop all scsi responses and if an inquiry repsonse comes
- back that reports a disk, chuck it an return selection
- timeout instead and adjust our table... Not sure i like
- that though.
-
- */
-#define OBDR_TAPE_INQ_SIZE 49
-#define OBDR_TAPE_SIG "$DR-10"
- ReportLunData_struct *ld_buff;
- unsigned char *inq_buff;
- unsigned char scsi3addr[8];
- __u32 num_luns=0;
- unsigned char *ch;
- struct cciss_scsi_dev_t *currentsd, *this_device;
- int ncurrent=0;
- int reportlunsize = sizeof(*ld_buff) + CISS_MAX_PHYS_LUN * 8;
- int i;
-
- ld_buff = kzalloc(reportlunsize, GFP_KERNEL);
- inq_buff = kmalloc(OBDR_TAPE_INQ_SIZE, GFP_KERNEL);
- currentsd = kzalloc(sizeof(*currentsd) *
- (CCISS_MAX_SCSI_DEVS_PER_HBA+1), GFP_KERNEL);
- if (ld_buff == NULL || inq_buff == NULL || currentsd == NULL) {
- printk(KERN_ERR "cciss: out of memory\n");
- goto out;
- }
- this_device = &currentsd[CCISS_MAX_SCSI_DEVS_PER_HBA];
- if (cciss_scsi_do_report_phys_luns(h, ld_buff, reportlunsize) == 0) {
- ch = &ld_buff->LUNListLength[0];
- num_luns = ((ch[0]<<24) | (ch[1]<<16) | (ch[2]<<8) | ch[3]) / 8;
- if (num_luns > CISS_MAX_PHYS_LUN) {
- printk(KERN_WARNING
- "cciss: Maximum physical LUNs (%d) exceeded. "
- "%d LUNs ignored.\n", CISS_MAX_PHYS_LUN,
- num_luns - CISS_MAX_PHYS_LUN);
- num_luns = CISS_MAX_PHYS_LUN;
- }
- }
- else {
- printk(KERN_ERR "cciss: Report physical LUNs failed.\n");
- goto out;
- }
-
-
- /* adjust our table of devices */
- for (i = 0; i < num_luns; i++) {
- /* for each physical lun, do an inquiry */
- if (ld_buff->LUN[i][3] & 0xC0) continue;
- memset(inq_buff, 0, OBDR_TAPE_INQ_SIZE);
- memcpy(&scsi3addr[0], &ld_buff->LUN[i][0], 8);
-
- if (cciss_scsi_do_inquiry(h, scsi3addr, 0, inq_buff,
- (unsigned char) OBDR_TAPE_INQ_SIZE) != 0)
- /* Inquiry failed (msg printed already) */
- continue; /* so we will skip this device. */
-
- this_device->devtype = (inq_buff[0] & 0x1f);
- this_device->bus = -1;
- this_device->target = -1;
- this_device->lun = -1;
- memcpy(this_device->scsi3addr, scsi3addr, 8);
- memcpy(this_device->vendor, &inq_buff[8],
- sizeof(this_device->vendor));
- memcpy(this_device->model, &inq_buff[16],
- sizeof(this_device->model));
- memcpy(this_device->revision, &inq_buff[32],
- sizeof(this_device->revision));
- memset(this_device->device_id, 0,
- sizeof(this_device->device_id));
- cciss_scsi_get_device_id(h, scsi3addr,
- this_device->device_id, sizeof(this_device->device_id));
-
- switch (this_device->devtype) {
- case 0x05: /* CD-ROM */ {
-
- /* We don't *really* support actual CD-ROM devices,
- * just this "One Button Disaster Recovery" tape drive
- * which temporarily pretends to be a CD-ROM drive.
- * So we check that the device is really an OBDR tape
- * device by checking for "$DR-10" in bytes 43-48 of
- * the inquiry data.
- */
- char obdr_sig[7];
-
- strncpy(obdr_sig, &inq_buff[43], 6);
- obdr_sig[6] = '\0';
- if (strncmp(obdr_sig, OBDR_TAPE_SIG, 6) != 0)
- /* Not OBDR device, ignore it. */
- break;
- }
- /* fall through . . . */
- case 0x01: /* sequential access, (tape) */
- case 0x08: /* medium changer */
- if (ncurrent >= CCISS_MAX_SCSI_DEVS_PER_HBA) {
- printk(KERN_INFO "cciss%d: %s ignored, "
- "too many devices.\n", h->ctlr,
- scsi_device_type(this_device->devtype));
- break;
- }
- currentsd[ncurrent] = *this_device;
- ncurrent++;
- break;
- default:
- break;
- }
- }
-
- adjust_cciss_scsi_table(h, hostno, currentsd, ncurrent);
-out:
- kfree(inq_buff);
- kfree(ld_buff);
- kfree(currentsd);
- return;
-}
-
-static int
-is_keyword(char *ptr, int len, char *verb) // Thanks to ncr53c8xx.c
-{
- int verb_len = strlen(verb);
- if (len >= verb_len && !memcmp(verb,ptr,verb_len))
- return verb_len;
- else
- return 0;
-}
-
-static int
-cciss_scsi_user_command(ctlr_info_t *h, int hostno, char *buffer, int length)
-{
- int arg_len;
-
- if ((arg_len = is_keyword(buffer, length, "rescan")) != 0)
- cciss_update_non_disk_devices(h, hostno);
- else
- return -EINVAL;
- return length;
-}
-
-static int
-cciss_scsi_write_info(struct Scsi_Host *sh,
- char *buffer, /* data buffer */
- int length) /* length of data in buffer */
-{
- ctlr_info_t *h = (ctlr_info_t *) sh->hostdata[0];
- if (h == NULL) /* This really shouldn't ever happen. */
- return -EINVAL;
-
- return cciss_scsi_user_command(h, sh->host_no,
- buffer, length);
-}
-
-static int
-cciss_scsi_show_info(struct seq_file *m, struct Scsi_Host *sh)
-{
-
- ctlr_info_t *h = (ctlr_info_t *) sh->hostdata[0];
- int i;
-
- if (h == NULL) /* This really shouldn't ever happen. */
- return -EINVAL;
-
- seq_printf(m, "cciss%d: SCSI host: %d\n",
- h->ctlr, sh->host_no);
-
- /* this information is needed by apps to know which cciss
- device corresponds to which scsi host number without
- having to open a scsi target device node. The device
- information is not a duplicate of /proc/scsi/scsi because
- the two may be out of sync due to scsi hotplug, rather
- this info is for an app to be able to use to know how to
- get them back in sync. */
-
- for (i = 0; i < ccissscsi[h->ctlr].ndevices; i++) {
- struct cciss_scsi_dev_t *sd =
- &ccissscsi[h->ctlr].dev[i];
- seq_printf(m, "c%db%dt%dl%d %02d "
- "0x%02x%02x%02x%02x%02x%02x%02x%02x\n",
- sh->host_no, sd->bus, sd->target, sd->lun,
- sd->devtype,
- sd->scsi3addr[0], sd->scsi3addr[1],
- sd->scsi3addr[2], sd->scsi3addr[3],
- sd->scsi3addr[4], sd->scsi3addr[5],
- sd->scsi3addr[6], sd->scsi3addr[7]);
- }
- return 0;
-}
-
-/* cciss_scatter_gather takes a struct scsi_cmnd, (cmd), and does the pci
- dma mapping and fills in the scatter gather entries of the
- cciss command, c. */
-
-static void cciss_scatter_gather(ctlr_info_t *h, CommandList_struct *c,
- struct scsi_cmnd *cmd)
-{
- unsigned int len;
- struct scatterlist *sg;
- __u64 addr64;
- int request_nsgs, i, chained, sg_index;
- struct cciss_scsi_adapter_data_t *sa = h->scsi_ctlr;
- SGDescriptor_struct *curr_sg;
-
- BUG_ON(scsi_sg_count(cmd) > h->maxsgentries);
-
- chained = 0;
- sg_index = 0;
- curr_sg = c->SG;
- request_nsgs = scsi_dma_map(cmd);
- if (request_nsgs) {
- scsi_for_each_sg(cmd, sg, request_nsgs, i) {
- if (sg_index + 1 == h->max_cmd_sgentries &&
- !chained && request_nsgs - i > 1) {
- chained = 1;
- sg_index = 0;
- curr_sg = sa->cmd_sg_list[c->cmdindex];
- }
- addr64 = (__u64) sg_dma_address(sg);
- len = sg_dma_len(sg);
- curr_sg[sg_index].Addr.lower =
- (__u32) (addr64 & 0x0FFFFFFFFULL);
- curr_sg[sg_index].Addr.upper =
- (__u32) ((addr64 >> 32) & 0x0FFFFFFFFULL);
- curr_sg[sg_index].Len = len;
- curr_sg[sg_index].Ext = 0;
- ++sg_index;
- }
- if (chained)
- cciss_map_sg_chain_block(h, c,
- sa->cmd_sg_list[c->cmdindex],
- (request_nsgs - (h->max_cmd_sgentries - 1)) *
- sizeof(SGDescriptor_struct));
- }
- /* track how many SG entries we are using */
- if (request_nsgs > h->maxSG)
- h->maxSG = request_nsgs;
- c->Header.SGTotal = (u16) request_nsgs + chained;
- if (request_nsgs > h->max_cmd_sgentries)
- c->Header.SGList = h->max_cmd_sgentries;
- else
- c->Header.SGList = c->Header.SGTotal;
- return;
-}
-
-
-static int
-cciss_scsi_queue_command_lck(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
-{
- ctlr_info_t *h;
- int rc;
- unsigned char scsi3addr[8];
- CommandList_struct *c;
- unsigned long flags;
-
- // Get the ptr to our adapter structure (hba[i]) out of cmd->host.
- // We violate cmd->host privacy here. (Is there another way?)
- h = (ctlr_info_t *) cmd->device->host->hostdata[0];
-
- rc = lookup_scsi3addr(h, cmd->device->channel, cmd->device->id,
- cmd->device->lun, scsi3addr);
- if (rc != 0) {
- /* the scsi nexus does not match any that we presented... */
- /* pretend to mid layer that we got selection timeout */
- cmd->result = DID_NO_CONNECT << 16;
- done(cmd);
- /* we might want to think about registering controller itself
- as a processor device on the bus so sg binds to it. */
- return 0;
- }
-
- /* Ok, we have a reasonable scsi nexus, so send the cmd down, and
- see what the device thinks of it. */
-
- spin_lock_irqsave(&h->lock, flags);
- c = scsi_cmd_alloc(h);
- spin_unlock_irqrestore(&h->lock, flags);
- if (c == NULL) { /* trouble... */
- dev_warn(&h->pdev->dev, "scsi_cmd_alloc returned NULL!\n");
- /* FIXME: next 3 lines are -> BAD! <- */
- cmd->result = DID_NO_CONNECT << 16;
- done(cmd);
- return 0;
- }
-
- // Fill in the command list header
-
- cmd->scsi_done = done; // save this for use by completion code
-
- /* save c in case we have to abort it */
- cmd->host_scribble = (unsigned char *) c;
-
- c->cmd_type = CMD_SCSI;
- c->scsi_cmd = cmd;
- c->Header.ReplyQueue = 0; /* unused in simple mode */
- memcpy(&c->Header.LUN.LunAddrBytes[0], &scsi3addr[0], 8);
- c->Header.Tag.lower = c->busaddr; /* Use k. address of cmd as tag */
-
- // Fill in the request block...
-
- c->Request.Timeout = 0;
- memset(c->Request.CDB, 0, sizeof(c->Request.CDB));
- BUG_ON(cmd->cmd_len > sizeof(c->Request.CDB));
- c->Request.CDBLen = cmd->cmd_len;
- memcpy(c->Request.CDB, cmd->cmnd, cmd->cmd_len);
- c->Request.Type.Type = TYPE_CMD;
- c->Request.Type.Attribute = ATTR_SIMPLE;
- switch (cmd->sc_data_direction) {
- case DMA_TO_DEVICE:
- c->Request.Type.Direction = XFER_WRITE;
- break;
- case DMA_FROM_DEVICE:
- c->Request.Type.Direction = XFER_READ;
- break;
- case DMA_NONE:
- c->Request.Type.Direction = XFER_NONE;
- break;
- case DMA_BIDIRECTIONAL:
- // This can happen if a buggy application does a scsi passthru
- // and sets both inlen and outlen to non-zero. ( see
- // ../scsi/scsi_ioctl.c:scsi_ioctl_send_command() )
-
- c->Request.Type.Direction = XFER_RSVD;
- // This is technically wrong, and cciss controllers should
- // reject it with CMD_INVALID, which is the most correct
- // response, but non-fibre backends appear to let it
- // slide by, and give the same results as if this field
- // were set correctly. Either way is acceptable for
- // our purposes here.
-
- break;
-
- default:
- dev_warn(&h->pdev->dev, "unknown data direction: %d\n",
- cmd->sc_data_direction);
- BUG();
- break;
- }
- cciss_scatter_gather(h, c, cmd);
- enqueue_cmd_and_start_io(h, c);
- /* the cmd'll come back via intr handler in complete_scsi_command() */
- return 0;
-}
-
-static DEF_SCSI_QCMD(cciss_scsi_queue_command)
-
-static void cciss_unregister_scsi(ctlr_info_t *h)
-{
- struct cciss_scsi_adapter_data_t *sa;
- struct cciss_scsi_cmd_stack_t *stk;
- unsigned long flags;
-
- /* we are being forcibly unloaded, and may not refuse. */
-
- spin_lock_irqsave(&h->lock, flags);
- sa = h->scsi_ctlr;
- stk = &sa->cmd_stack;
-
- /* if we weren't ever actually registered, don't unregister */
- if (sa->registered) {
- spin_unlock_irqrestore(&h->lock, flags);
- scsi_remove_host(sa->scsi_host);
- scsi_host_put(sa->scsi_host);
- spin_lock_irqsave(&h->lock, flags);
- }
-
- /* set scsi_host to NULL so our detect routine will
- find us on register */
- sa->scsi_host = NULL;
- spin_unlock_irqrestore(&h->lock, flags);
- scsi_cmd_stack_free(h);
- kfree(sa);
-}
-
-static int cciss_engage_scsi(ctlr_info_t *h)
-{
- struct cciss_scsi_adapter_data_t *sa;
- struct cciss_scsi_cmd_stack_t *stk;
- unsigned long flags;
-
- spin_lock_irqsave(&h->lock, flags);
- sa = h->scsi_ctlr;
- stk = &sa->cmd_stack;
-
- if (sa->registered) {
- dev_info(&h->pdev->dev, "SCSI subsystem already engaged.\n");
- spin_unlock_irqrestore(&h->lock, flags);
- return -ENXIO;
- }
- sa->registered = 1;
- spin_unlock_irqrestore(&h->lock, flags);
- cciss_update_non_disk_devices(h, -1);
- cciss_scsi_detect(h);
- return 0;
-}
-
-static void
-cciss_seq_tape_report(struct seq_file *seq, ctlr_info_t *h)
-{
- unsigned long flags;
-
- CPQ_TAPE_LOCK(h, flags);
- seq_printf(seq,
- "Sequential access devices: %d\n\n",
- ccissscsi[h->ctlr].ndevices);
- CPQ_TAPE_UNLOCK(h, flags);
-}
-
-static int wait_for_device_to_become_ready(ctlr_info_t *h,
- unsigned char lunaddr[])
-{
- int rc;
- int count = 0;
- int waittime = HZ;
- CommandList_struct *c;
-
- c = cmd_alloc(h);
- if (!c) {
- dev_warn(&h->pdev->dev, "out of memory in "
- "wait_for_device_to_become_ready.\n");
- return IO_ERROR;
- }
-
- /* Send test unit ready until device ready, or give up. */
- while (count < 20) {
-
- /* Wait for a bit. do this first, because if we send
- * the TUR right away, the reset will just abort it.
- */
- schedule_timeout_uninterruptible(waittime);
- count++;
-
- /* Increase wait time with each try, up to a point. */
- if (waittime < (HZ * 30))
- waittime = waittime * 2;
-
- /* Send the Test Unit Ready */
- rc = fill_cmd(h, c, TEST_UNIT_READY, NULL, 0, 0,
- lunaddr, TYPE_CMD);
- if (rc == 0)
- rc = sendcmd_withirq_core(h, c, 0);
-
- (void) process_sendcmd_error(h, c);
-
- if (rc != 0)
- goto retry_tur;
-
- if (c->err_info->CommandStatus == CMD_SUCCESS)
- break;
-
- if (c->err_info->CommandStatus == CMD_TARGET_STATUS &&
- c->err_info->ScsiStatus == SAM_STAT_CHECK_CONDITION) {
- if (c->err_info->SenseInfo[2] == NO_SENSE)
- break;
- if (c->err_info->SenseInfo[2] == UNIT_ATTENTION) {
- unsigned char asc;
- asc = c->err_info->SenseInfo[12];
- check_for_unit_attention(h, c);
- if (asc == POWER_OR_RESET)
- break;
- }
- }
-retry_tur:
- dev_warn(&h->pdev->dev, "Waiting %d secs "
- "for device to become ready.\n",
- waittime / HZ);
- rc = 1; /* device not ready. */
- }
-
- if (rc)
- dev_warn(&h->pdev->dev, "giving up on device.\n");
- else
- dev_warn(&h->pdev->dev, "device is ready.\n");
-
- cmd_free(h, c);
- return rc;
-}
-
-/* Need at least one of these error handlers to keep ../scsi/hosts.c from
- * complaining. Doing a host- or bus-reset can't do anything good here.
- * Despite what it might say in scsi_error.c, there may well be commands
- * on the controller, as the cciss driver registers twice, once as a block
- * device for the logical drives, and once as a scsi device, for any tape
- * drives. So we know there are no commands out on the tape drives, but we
- * don't know there are no commands on the controller, and it is likely
- * that there probably are, as the cciss block device is most commonly used
- * as a boot device (embedded controller on HP/Compaq systems.)
-*/
-
-static int cciss_eh_device_reset_handler(struct scsi_cmnd *scsicmd)
-{
- int rc;
- CommandList_struct *cmd_in_trouble;
- unsigned char lunaddr[8];
- ctlr_info_t *h;
-
- /* find the controller to which the command to be aborted was sent */
- h = (ctlr_info_t *) scsicmd->device->host->hostdata[0];
- if (h == NULL) /* paranoia */
- return FAILED;
- dev_warn(&h->pdev->dev, "resetting tape drive or medium changer.\n");
- /* find the command that's giving us trouble */
- cmd_in_trouble = (CommandList_struct *) scsicmd->host_scribble;
- if (cmd_in_trouble == NULL) /* paranoia */
- return FAILED;
- memcpy(lunaddr, &cmd_in_trouble->Header.LUN.LunAddrBytes[0], 8);
- /* send a reset to the SCSI LUN which the command was sent to */
- rc = sendcmd_withirq(h, CCISS_RESET_MSG, NULL, 0, 0, lunaddr,
- TYPE_MSG);
- if (rc == 0 && wait_for_device_to_become_ready(h, lunaddr) == 0)
- return SUCCESS;
- dev_warn(&h->pdev->dev, "resetting device failed.\n");
- return FAILED;
-}
-
-static int cciss_eh_abort_handler(struct scsi_cmnd *scsicmd)
-{
- int rc;
- CommandList_struct *cmd_to_abort;
- unsigned char lunaddr[8];
- ctlr_info_t *h;
-
- /* find the controller to which the command to be aborted was sent */
- h = (ctlr_info_t *) scsicmd->device->host->hostdata[0];
- if (h == NULL) /* paranoia */
- return FAILED;
- dev_warn(&h->pdev->dev, "aborting tardy SCSI cmd\n");
-
- /* find the command to be aborted */
- cmd_to_abort = (CommandList_struct *) scsicmd->host_scribble;
- if (cmd_to_abort == NULL) /* paranoia */
- return FAILED;
- memcpy(lunaddr, &cmd_to_abort->Header.LUN.LunAddrBytes[0], 8);
- rc = sendcmd_withirq(h, CCISS_ABORT_MSG, &cmd_to_abort->Header.Tag,
- 0, 0, lunaddr, TYPE_MSG);
- if (rc == 0)
- return SUCCESS;
- return FAILED;
-
-}
-
-#else /* no CONFIG_CISS_SCSI_TAPE */
-
-/* If no tape support, then these become defined out of existence */
-
-#define cciss_scsi_setup(cntl_num)
-#define cciss_engage_scsi(h)
-
-#endif /* CONFIG_CISS_SCSI_TAPE */
diff --git a/drivers/block/cciss_scsi.h b/drivers/block/cciss_scsi.h
deleted file mode 100644
index e71d986727ca..000000000000
--- a/drivers/block/cciss_scsi.h
+++ /dev/null
@@ -1,79 +0,0 @@
-/*
- * Disk Array driver for HP Smart Array controllers, SCSI Tape module.
- * (C) Copyright 2001, 2007 Hewlett-Packard Development Company, L.P.
- *
- * 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; version 2 of the License.
- *
- * 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, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 300, Boston, MA
- * 02111-1307, USA.
- *
- * Questions/Comments/Bugfixes to iss_storagedev@hp.com
- *
- */
-#ifdef CONFIG_CISS_SCSI_TAPE
-#ifndef _CCISS_SCSI_H_
-#define _CCISS_SCSI_H_
-
-#include <scsi/scsicam.h> /* possibly irrelevant, since we don't show disks */
-
- /* the scsi id of the adapter... */
-#define SELF_SCSI_ID 15
- /* 15 is somewhat arbitrary, since the scsi-2 bus
- that's presented by the driver to the OS is
- fabricated. The "real" scsi-3 bus the
- hardware presents is fabricated too.
- The actual, honest-to-goodness physical
- bus that the devices are attached to is not
- addressible natively, and may in fact turn
- out to be not scsi at all. */
-
-
-/*
-
-If the upper scsi layer tries to track how many commands we have
-outstanding, it will be operating under the misapprehension that it is
-the only one sending us requests. We also have the block interface,
-which is where most requests must surely come from, so the upper layer's
-notion of how many requests we have outstanding will be wrong most or
-all of the time.
-
-Note, the normal SCSI mid-layer error handling doesn't work well
-for this driver because 1) it takes the io_request_lock before
-calling error handlers and uses a local variable to store flags,
-so the io_request_lock cannot be released and interrupts enabled
-inside the error handlers, and, the error handlers cannot poll
-for command completion because they might get commands from the
-block half of the driver completing, and not know what to do
-with them. That's what we get for making a hybrid scsi/block
-driver, I suppose.
-
-*/
-
-struct cciss_scsi_dev_t {
- int devtype;
- int bus, target, lun; /* as presented to the OS */
- unsigned char scsi3addr[8]; /* as presented to the HW */
- unsigned char device_id[16]; /* from inquiry pg. 0x83 */
- unsigned char vendor[8]; /* bytes 8-15 of inquiry data */
- unsigned char model[16]; /* bytes 16-31 of inquiry data */
- unsigned char revision[4]; /* bytes 32-35 of inquiry data */
-};
-
-struct cciss_scsi_hba_t {
- char *name;
- int ndevices;
-#define CCISS_MAX_SCSI_DEVS_PER_HBA 16
- struct cciss_scsi_dev_t dev[CCISS_MAX_SCSI_DEVS_PER_HBA];
-};
-
-#endif /* _CCISS_SCSI_H_ */
-#endif /* CONFIG_CISS_SCSI_TAPE */
diff --git a/drivers/message/fusion/mptbase.c b/drivers/message/fusion/mptbase.c
index 62cff5afc6bd..84eab28665f3 100644
--- a/drivers/message/fusion/mptbase.c
+++ b/drivers/message/fusion/mptbase.c
@@ -2079,7 +2079,7 @@ void
mpt_detach(struct pci_dev *pdev)
{
MPT_ADAPTER *ioc = pci_get_drvdata(pdev);
- char pname[32];
+ char pname[64];
u8 cb_idx;
unsigned long flags;
struct workqueue_struct *wq;
@@ -2100,11 +2100,11 @@ mpt_detach(struct pci_dev *pdev)
spin_unlock_irqrestore(&ioc->fw_event_lock, flags);
destroy_workqueue(wq);
- sprintf(pname, MPT_PROCFS_MPTBASEDIR "/%s/summary", ioc->name);
+ snprintf(pname, sizeof(pname), MPT_PROCFS_MPTBASEDIR "/%s/summary", ioc->name);
remove_proc_entry(pname, NULL);
- sprintf(pname, MPT_PROCFS_MPTBASEDIR "/%s/info", ioc->name);
+ snprintf(pname, sizeof(pname), MPT_PROCFS_MPTBASEDIR "/%s/info", ioc->name);
remove_proc_entry(pname, NULL);
- sprintf(pname, MPT_PROCFS_MPTBASEDIR "/%s", ioc->name);
+ snprintf(pname, sizeof(pname), MPT_PROCFS_MPTBASEDIR "/%s", ioc->name);
remove_proc_entry(pname, NULL);
/* call per device driver remove entry point */
diff --git a/drivers/message/fusion/mptfc.c b/drivers/message/fusion/mptfc.c
index d065062240bc..6d461ca97150 100644
--- a/drivers/message/fusion/mptfc.c
+++ b/drivers/message/fusion/mptfc.c
@@ -104,7 +104,6 @@ static void mptfc_remove(struct pci_dev *pdev);
static int mptfc_abort(struct scsi_cmnd *SCpnt);
static int mptfc_dev_reset(struct scsi_cmnd *SCpnt);
static int mptfc_bus_reset(struct scsi_cmnd *SCpnt);
-static int mptfc_host_reset(struct scsi_cmnd *SCpnt);
static struct scsi_host_template mptfc_driver_template = {
.module = THIS_MODULE,
@@ -123,7 +122,7 @@ static struct scsi_host_template mptfc_driver_template = {
.eh_abort_handler = mptfc_abort,
.eh_device_reset_handler = mptfc_dev_reset,
.eh_bus_reset_handler = mptfc_bus_reset,
- .eh_host_reset_handler = mptfc_host_reset,
+ .eh_host_reset_handler = mptscsih_host_reset,
.bios_param = mptscsih_bios_param,
.can_queue = MPT_FC_CAN_QUEUE,
.this_id = -1,
@@ -254,13 +253,6 @@ mptfc_bus_reset(struct scsi_cmnd *SCpnt)
mptfc_block_error_handler(SCpnt, mptscsih_bus_reset, __func__);
}
-static int
-mptfc_host_reset(struct scsi_cmnd *SCpnt)
-{
- return
- mptfc_block_error_handler(SCpnt, mptscsih_host_reset, __func__);
-}
-
static void
mptfc_set_rport_loss_tmo(struct fc_rport *rport, uint32_t timeout)
{
diff --git a/drivers/message/fusion/mptsas.c b/drivers/message/fusion/mptsas.c
index f6308ad35b19..345f6035599e 100644
--- a/drivers/message/fusion/mptsas.c
+++ b/drivers/message/fusion/mptsas.c
@@ -2210,33 +2210,26 @@ mptsas_get_bay_identifier(struct sas_rphy *rphy)
return rc;
}
-static int mptsas_smp_handler(struct Scsi_Host *shost, struct sas_rphy *rphy,
- struct request *req)
+static void mptsas_smp_handler(struct bsg_job *job, struct Scsi_Host *shost,
+ struct sas_rphy *rphy)
{
MPT_ADAPTER *ioc = ((MPT_SCSI_HOST *) shost->hostdata)->ioc;
MPT_FRAME_HDR *mf;
SmpPassthroughRequest_t *smpreq;
- struct request *rsp = req->next_rq;
- int ret;
int flagsLength;
unsigned long timeleft;
char *psge;
- dma_addr_t dma_addr_in = 0;
- dma_addr_t dma_addr_out = 0;
u64 sas_address = 0;
-
- if (!rsp) {
- printk(MYIOC_s_ERR_FMT "%s: the smp response space is missing\n",
- ioc->name, __func__);
- return -EINVAL;
- }
+ unsigned int reslen = 0;
+ int ret = -EINVAL;
/* do we need to support multiple segments? */
- if (bio_multiple_segments(req->bio) ||
- bio_multiple_segments(rsp->bio)) {
+ if (job->request_payload.sg_cnt > 1 ||
+ job->reply_payload.sg_cnt > 1) {
printk(MYIOC_s_ERR_FMT "%s: multiple segments req %u, rsp %u\n",
- ioc->name, __func__, blk_rq_bytes(req), blk_rq_bytes(rsp));
- return -EINVAL;
+ ioc->name, __func__, job->request_payload.payload_len,
+ job->reply_payload.payload_len);
+ goto out;
}
ret = mutex_lock_interruptible(&ioc->sas_mgmt.mutex);
@@ -2252,7 +2245,8 @@ static int mptsas_smp_handler(struct Scsi_Host *shost, struct sas_rphy *rphy,
smpreq = (SmpPassthroughRequest_t *)mf;
memset(smpreq, 0, sizeof(*smpreq));
- smpreq->RequestDataLength = cpu_to_le16(blk_rq_bytes(req) - 4);
+ smpreq->RequestDataLength =
+ cpu_to_le16(job->request_payload.payload_len - 4);
smpreq->Function = MPI_FUNCTION_SMP_PASSTHROUGH;
if (rphy)
@@ -2278,13 +2272,14 @@ static int mptsas_smp_handler(struct Scsi_Host *shost, struct sas_rphy *rphy,
MPI_SGE_FLAGS_END_OF_BUFFER |
MPI_SGE_FLAGS_DIRECTION)
<< MPI_SGE_FLAGS_SHIFT;
- flagsLength |= (blk_rq_bytes(req) - 4);
- dma_addr_out = pci_map_single(ioc->pcidev, bio_data(req->bio),
- blk_rq_bytes(req), PCI_DMA_BIDIRECTIONAL);
- if (pci_dma_mapping_error(ioc->pcidev, dma_addr_out))
+ if (!dma_map_sg(&ioc->pcidev->dev, job->request_payload.sg_list,
+ 1, PCI_DMA_BIDIRECTIONAL))
goto put_mf;
- ioc->add_sge(psge, flagsLength, dma_addr_out);
+
+ flagsLength |= (sg_dma_len(job->request_payload.sg_list) - 4);
+ ioc->add_sge(psge, flagsLength,
+ sg_dma_address(job->request_payload.sg_list));
psge += ioc->SGE_size;
/* response */
@@ -2294,12 +2289,13 @@ static int mptsas_smp_handler(struct Scsi_Host *shost, struct sas_rphy *rphy,
MPI_SGE_FLAGS_END_OF_BUFFER;
flagsLength = flagsLength << MPI_SGE_FLAGS_SHIFT;
- flagsLength |= blk_rq_bytes(rsp) + 4;
- dma_addr_in = pci_map_single(ioc->pcidev, bio_data(rsp->bio),
- blk_rq_bytes(rsp), PCI_DMA_BIDIRECTIONAL);
- if (pci_dma_mapping_error(ioc->pcidev, dma_addr_in))
- goto unmap;
- ioc->add_sge(psge, flagsLength, dma_addr_in);
+
+ if (!dma_map_sg(&ioc->pcidev->dev, job->reply_payload.sg_list,
+ 1, PCI_DMA_BIDIRECTIONAL))
+ goto unmap_out;
+ flagsLength |= sg_dma_len(job->reply_payload.sg_list) + 4;
+ ioc->add_sge(psge, flagsLength,
+ sg_dma_address(job->reply_payload.sg_list));
INITIALIZE_MGMT_STATUS(ioc->sas_mgmt.status)
mpt_put_msg_frame(mptsasMgmtCtx, ioc, mf);
@@ -2310,10 +2306,10 @@ static int mptsas_smp_handler(struct Scsi_Host *shost, struct sas_rphy *rphy,
mpt_free_msg_frame(ioc, mf);
mf = NULL;
if (ioc->sas_mgmt.status & MPT_MGMT_STATUS_DID_IOCRESET)
- goto unmap;
+ goto unmap_in;
if (!timeleft)
mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP);
- goto unmap;
+ goto unmap_in;
}
mf = NULL;
@@ -2321,23 +2317,22 @@ static int mptsas_smp_handler(struct Scsi_Host *shost, struct sas_rphy *rphy,
SmpPassthroughReply_t *smprep;
smprep = (SmpPassthroughReply_t *)ioc->sas_mgmt.reply;
- memcpy(scsi_req(req)->sense, smprep, sizeof(*smprep));
- scsi_req(req)->sense_len = sizeof(*smprep);
- scsi_req(req)->resid_len = 0;
- scsi_req(rsp)->resid_len -= smprep->ResponseDataLength;
+ memcpy(job->reply, smprep, sizeof(*smprep));
+ job->reply_len = sizeof(*smprep);
+ reslen = smprep->ResponseDataLength;
} else {
printk(MYIOC_s_ERR_FMT
"%s: smp passthru reply failed to be returned\n",
ioc->name, __func__);
ret = -ENXIO;
}
-unmap:
- if (dma_addr_out)
- pci_unmap_single(ioc->pcidev, dma_addr_out, blk_rq_bytes(req),
- PCI_DMA_BIDIRECTIONAL);
- if (dma_addr_in)
- pci_unmap_single(ioc->pcidev, dma_addr_in, blk_rq_bytes(rsp),
- PCI_DMA_BIDIRECTIONAL);
+
+unmap_in:
+ dma_unmap_sg(&ioc->pcidev->dev, job->reply_payload.sg_list, 1,
+ PCI_DMA_BIDIRECTIONAL);
+unmap_out:
+ dma_unmap_sg(&ioc->pcidev->dev, job->request_payload.sg_list, 1,
+ PCI_DMA_BIDIRECTIONAL);
put_mf:
if (mf)
mpt_free_msg_frame(ioc, mf);
@@ -2345,7 +2340,7 @@ out_unlock:
CLEAR_MGMT_STATUS(ioc->sas_mgmt.status)
mutex_unlock(&ioc->sas_mgmt.mutex);
out:
- return ret;
+ bsg_job_done(job, ret, reslen);
}
static struct sas_function_template mptsas_transport_functions = {
@@ -4352,11 +4347,10 @@ mptsas_hotplug_work(MPT_ADAPTER *ioc, struct fw_event_work *fw_event,
return;
phy_info = mptsas_refreshing_device_handles(ioc, &sas_device);
- /* Only For SATA Device ADD */
- if (!phy_info && (sas_device.device_info &
- MPI_SAS_DEVICE_INFO_SATA_DEVICE)) {
+ /* Device hot plug */
+ if (!phy_info) {
devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
- "%s %d SATA HOT PLUG: "
+ "%s %d HOT PLUG: "
"parent handle of device %x\n", ioc->name,
__func__, __LINE__, sas_device.handle_parent));
port_info = mptsas_find_portinfo_by_handle(ioc,
diff --git a/drivers/s390/scsi/zfcp_aux.c b/drivers/s390/scsi/zfcp_aux.c
index bcc8f3dfd4c4..82ac331d9125 100644
--- a/drivers/s390/scsi/zfcp_aux.c
+++ b/drivers/s390/scsi/zfcp_aux.c
@@ -29,7 +29,6 @@
#define KMSG_COMPONENT "zfcp"
#define pr_fmt(fmt) KMSG_COMPONENT ": " fmt
-#include <linux/miscdevice.h>
#include <linux/seq_file.h>
#include <linux/slab.h>
#include <linux/module.h>
diff --git a/drivers/s390/scsi/zfcp_dbf.c b/drivers/s390/scsi/zfcp_dbf.c
index d5bf36ec8a75..8227076c9cbb 100644
--- a/drivers/s390/scsi/zfcp_dbf.c
+++ b/drivers/s390/scsi/zfcp_dbf.c
@@ -3,7 +3,7 @@
*
* Debug traces for zfcp.
*
- * Copyright IBM Corp. 2002, 2016
+ * Copyright IBM Corp. 2002, 2017
*/
#define KMSG_COMPONENT "zfcp"
@@ -113,8 +113,12 @@ void zfcp_dbf_hba_fsf_uss(char *tag, struct zfcp_fsf_req *req)
struct zfcp_dbf *dbf = req->adapter->dbf;
struct fsf_status_read_buffer *srb = req->data;
struct zfcp_dbf_hba *rec = &dbf->hba_buf;
+ static int const level = 2;
unsigned long flags;
+ if (unlikely(!debug_level_enabled(dbf->hba, level)))
+ return;
+
spin_lock_irqsave(&dbf->hba_lock, flags);
memset(rec, 0, sizeof(*rec));
@@ -142,7 +146,7 @@ void zfcp_dbf_hba_fsf_uss(char *tag, struct zfcp_fsf_req *req)
zfcp_dbf_pl_write(dbf, srb->payload.data, rec->pl_len,
"fsf_uss", req->req_id);
log:
- debug_event(dbf->hba, 2, rec, sizeof(*rec));
+ debug_event(dbf->hba, level, rec, sizeof(*rec));
spin_unlock_irqrestore(&dbf->hba_lock, flags);
}
@@ -156,8 +160,12 @@ void zfcp_dbf_hba_bit_err(char *tag, struct zfcp_fsf_req *req)
struct zfcp_dbf *dbf = req->adapter->dbf;
struct zfcp_dbf_hba *rec = &dbf->hba_buf;
struct fsf_status_read_buffer *sr_buf = req->data;
+ static int const level = 1;
unsigned long flags;
+ if (unlikely(!debug_level_enabled(dbf->hba, level)))
+ return;
+
spin_lock_irqsave(&dbf->hba_lock, flags);
memset(rec, 0, sizeof(*rec));
@@ -169,7 +177,7 @@ void zfcp_dbf_hba_bit_err(char *tag, struct zfcp_fsf_req *req)
memcpy(&rec->u.be, &sr_buf->payload.bit_error,
sizeof(struct fsf_bit_error_payload));
- debug_event(dbf->hba, 1, rec, sizeof(*rec));
+ debug_event(dbf->hba, level, rec, sizeof(*rec));
spin_unlock_irqrestore(&dbf->hba_lock, flags);
}
@@ -186,8 +194,12 @@ void zfcp_dbf_hba_def_err(struct zfcp_adapter *adapter, u64 req_id, u16 scount,
struct zfcp_dbf *dbf = adapter->dbf;
struct zfcp_dbf_pay *payload = &dbf->pay_buf;
unsigned long flags;
+ static int const level = 1;
u16 length;
+ if (unlikely(!debug_level_enabled(dbf->pay, level)))
+ return;
+
if (!pl)
return;
@@ -202,7 +214,7 @@ void zfcp_dbf_hba_def_err(struct zfcp_adapter *adapter, u64 req_id, u16 scount,
while (payload->counter < scount && (char *)pl[payload->counter]) {
memcpy(payload->data, (char *)pl[payload->counter], length);
- debug_event(dbf->pay, 1, payload, zfcp_dbf_plen(length));
+ debug_event(dbf->pay, level, payload, zfcp_dbf_plen(length));
payload->counter++;
}
@@ -217,15 +229,19 @@ void zfcp_dbf_hba_basic(char *tag, struct zfcp_adapter *adapter)
{
struct zfcp_dbf *dbf = adapter->dbf;
struct zfcp_dbf_hba *rec = &dbf->hba_buf;
+ static int const level = 1;
unsigned long flags;
+ if (unlikely(!debug_level_enabled(dbf->hba, level)))
+ return;
+
spin_lock_irqsave(&dbf->hba_lock, flags);
memset(rec, 0, sizeof(*rec));
memcpy(rec->tag, tag, ZFCP_DBF_TAG_LEN);
rec->id = ZFCP_DBF_HBA_BASIC;
- debug_event(dbf->hba, 1, rec, sizeof(*rec));
+ debug_event(dbf->hba, level, rec, sizeof(*rec));
spin_unlock_irqrestore(&dbf->hba_lock, flags);
}
@@ -264,9 +280,13 @@ void zfcp_dbf_rec_trig(char *tag, struct zfcp_adapter *adapter,
{
struct zfcp_dbf *dbf = adapter->dbf;
struct zfcp_dbf_rec *rec = &dbf->rec_buf;
+ static int const level = 1;
struct list_head *entry;
unsigned long flags;
+ if (unlikely(!debug_level_enabled(dbf->rec, level)))
+ return;
+
spin_lock_irqsave(&dbf->rec_lock, flags);
memset(rec, 0, sizeof(*rec));
@@ -283,7 +303,7 @@ void zfcp_dbf_rec_trig(char *tag, struct zfcp_adapter *adapter,
rec->u.trig.want = want;
rec->u.trig.need = need;
- debug_event(dbf->rec, 1, rec, sizeof(*rec));
+ debug_event(dbf->rec, level, rec, sizeof(*rec));
spin_unlock_irqrestore(&dbf->rec_lock, flags);
}
@@ -300,6 +320,9 @@ void zfcp_dbf_rec_run_lvl(int level, char *tag, struct zfcp_erp_action *erp)
struct zfcp_dbf_rec *rec = &dbf->rec_buf;
unsigned long flags;
+ if (!debug_level_enabled(dbf->rec, level))
+ return;
+
spin_lock_irqsave(&dbf->rec_lock, flags);
memset(rec, 0, sizeof(*rec));
@@ -345,8 +368,12 @@ void zfcp_dbf_rec_run_wka(char *tag, struct zfcp_fc_wka_port *wka_port,
{
struct zfcp_dbf *dbf = wka_port->adapter->dbf;
struct zfcp_dbf_rec *rec = &dbf->rec_buf;
+ static int const level = 1;
unsigned long flags;
+ if (unlikely(!debug_level_enabled(dbf->rec, level)))
+ return;
+
spin_lock_irqsave(&dbf->rec_lock, flags);
memset(rec, 0, sizeof(*rec));
@@ -362,10 +389,12 @@ void zfcp_dbf_rec_run_wka(char *tag, struct zfcp_fc_wka_port *wka_port,
rec->u.run.rec_action = ~0;
rec->u.run.rec_count = ~0;
- debug_event(dbf->rec, 1, rec, sizeof(*rec));
+ debug_event(dbf->rec, level, rec, sizeof(*rec));
spin_unlock_irqrestore(&dbf->rec_lock, flags);
}
+#define ZFCP_DBF_SAN_LEVEL 1
+
static inline
void zfcp_dbf_san(char *tag, struct zfcp_dbf *dbf,
char *paytag, struct scatterlist *sg, u8 id, u16 len,
@@ -408,7 +437,7 @@ void zfcp_dbf_san(char *tag, struct zfcp_dbf *dbf,
(u16)(sg->length - offset));
/* cap_len <= pay_sum < cap_len+ZFCP_DBF_PAY_MAX_REC */
memcpy(payload->data, sg_virt(sg) + offset, pay_len);
- debug_event(dbf->pay, 1, payload,
+ debug_event(dbf->pay, ZFCP_DBF_SAN_LEVEL, payload,
zfcp_dbf_plen(pay_len));
payload->counter++;
offset += pay_len;
@@ -418,7 +447,7 @@ void zfcp_dbf_san(char *tag, struct zfcp_dbf *dbf,
spin_unlock(&dbf->pay_lock);
out:
- debug_event(dbf->san, 1, rec, sizeof(*rec));
+ debug_event(dbf->san, ZFCP_DBF_SAN_LEVEL, rec, sizeof(*rec));
spin_unlock_irqrestore(&dbf->san_lock, flags);
}
@@ -434,6 +463,9 @@ void zfcp_dbf_san_req(char *tag, struct zfcp_fsf_req *fsf, u32 d_id)
struct zfcp_fsf_ct_els *ct_els = fsf->data;
u16 length;
+ if (unlikely(!debug_level_enabled(dbf->san, ZFCP_DBF_SAN_LEVEL)))
+ return;
+
length = (u16)zfcp_qdio_real_bytes(ct_els->req);
zfcp_dbf_san(tag, dbf, "san_req", ct_els->req, ZFCP_DBF_SAN_REQ,
length, fsf->req_id, d_id, length);
@@ -447,6 +479,7 @@ static u16 zfcp_dbf_san_res_cap_len_if_gpn_ft(char *tag,
struct fc_ct_hdr *reqh = sg_virt(ct_els->req);
struct fc_ns_gid_ft *reqn = (struct fc_ns_gid_ft *)(reqh + 1);
struct scatterlist *resp_entry = ct_els->resp;
+ struct fc_ct_hdr *resph;
struct fc_gpn_ft_resp *acc;
int max_entries, x, last = 0;
@@ -460,7 +493,7 @@ static u16 zfcp_dbf_san_res_cap_len_if_gpn_ft(char *tag,
&& reqh->ct_fs_subtype == FC_NS_SUBTYPE
&& reqh->ct_options == 0
&& reqh->_ct_resvd1 == 0
- && reqh->ct_cmd == FC_NS_GPN_FT
+ && reqh->ct_cmd == cpu_to_be16(FC_NS_GPN_FT)
/* reqh->ct_mr_size can vary so do not match but read below */
&& reqh->_ct_resvd2 == 0
&& reqh->ct_reason == 0
@@ -473,7 +506,15 @@ static u16 zfcp_dbf_san_res_cap_len_if_gpn_ft(char *tag,
return len; /* not GPN_FT response so do not cap */
acc = sg_virt(resp_entry);
- max_entries = (reqh->ct_mr_size * 4 / sizeof(struct fc_gpn_ft_resp))
+
+ /* cap all but accept CT responses to at least the CT header */
+ resph = (struct fc_ct_hdr *)acc;
+ if ((ct_els->status) ||
+ (resph->ct_cmd != cpu_to_be16(FC_FS_ACC)))
+ return max(FC_CT_HDR_LEN, ZFCP_DBF_SAN_MAX_PAYLOAD);
+
+ max_entries = (be16_to_cpu(reqh->ct_mr_size) * 4 /
+ sizeof(struct fc_gpn_ft_resp))
+ 1 /* zfcp_fc_scan_ports: bytes correct, entries off-by-one
* to account for header as 1st pseudo "entry" */;
@@ -503,6 +544,9 @@ void zfcp_dbf_san_res(char *tag, struct zfcp_fsf_req *fsf)
struct zfcp_fsf_ct_els *ct_els = fsf->data;
u16 length;
+ if (unlikely(!debug_level_enabled(dbf->san, ZFCP_DBF_SAN_LEVEL)))
+ return;
+
length = (u16)zfcp_qdio_real_bytes(ct_els->resp);
zfcp_dbf_san(tag, dbf, "san_res", ct_els->resp, ZFCP_DBF_SAN_RES,
length, fsf->req_id, ct_els->d_id,
@@ -522,6 +566,9 @@ void zfcp_dbf_san_in_els(char *tag, struct zfcp_fsf_req *fsf)
u16 length;
struct scatterlist sg;
+ if (unlikely(!debug_level_enabled(dbf->san, ZFCP_DBF_SAN_LEVEL)))
+ return;
+
length = (u16)(srb->length -
offsetof(struct fsf_status_read_buffer, payload));
sg_init_one(&sg, srb->payload.data, length);
@@ -555,8 +602,8 @@ void zfcp_dbf_scsi(char *tag, int level, struct scsi_cmnd *sc,
rec->scsi_retries = sc->retries;
rec->scsi_allowed = sc->allowed;
rec->scsi_id = sc->device->id;
- /* struct zfcp_dbf_scsi needs to be updated to handle 64bit LUNs */
rec->scsi_lun = (u32)sc->device->lun;
+ rec->scsi_lun_64_hi = (u32)(sc->device->lun >> 32);
rec->host_scribble = (unsigned long)sc->host_scribble;
memcpy(rec->scsi_opcode, sc->cmnd,
@@ -564,19 +611,31 @@ void zfcp_dbf_scsi(char *tag, int level, struct scsi_cmnd *sc,
if (fsf) {
rec->fsf_req_id = fsf->req_id;
- fcp_rsp = (struct fcp_resp_with_ext *)
- &(fsf->qtcb->bottom.io.fcp_rsp);
+ rec->pl_len = FCP_RESP_WITH_EXT;
+ fcp_rsp = &(fsf->qtcb->bottom.io.fcp_rsp.iu);
+ /* mandatory parts of FCP_RSP IU in this SCSI record */
memcpy(&rec->fcp_rsp, fcp_rsp, FCP_RESP_WITH_EXT);
if (fcp_rsp->resp.fr_flags & FCP_RSP_LEN_VAL) {
fcp_rsp_info = (struct fcp_resp_rsp_info *) &fcp_rsp[1];
rec->fcp_rsp_info = fcp_rsp_info->rsp_code;
+ rec->pl_len += be32_to_cpu(fcp_rsp->ext.fr_rsp_len);
}
if (fcp_rsp->resp.fr_flags & FCP_SNS_LEN_VAL) {
- rec->pl_len = min((u16)SCSI_SENSE_BUFFERSIZE,
- (u16)ZFCP_DBF_PAY_MAX_REC);
- zfcp_dbf_pl_write(dbf, sc->sense_buffer, rec->pl_len,
- "fcp_sns", fsf->req_id);
+ rec->pl_len += be32_to_cpu(fcp_rsp->ext.fr_sns_len);
}
+ /* complete FCP_RSP IU in associated PAYload record
+ * but only if there are optional parts
+ */
+ if (fcp_rsp->resp.fr_flags != 0)
+ zfcp_dbf_pl_write(
+ dbf, fcp_rsp,
+ /* at least one full PAY record
+ * but not beyond hardware response field
+ */
+ min_t(u16, max_t(u16, rec->pl_len,
+ ZFCP_DBF_PAY_MAX_REC),
+ FSF_FCP_RSP_SIZE),
+ "fcp_riu", fsf->req_id);
}
debug_event(dbf->scsi, level, rec, sizeof(*rec));
diff --git a/drivers/s390/scsi/zfcp_dbf.h b/drivers/s390/scsi/zfcp_dbf.h
index db186d44cfaf..3508c00458f4 100644
--- a/drivers/s390/scsi/zfcp_dbf.h
+++ b/drivers/s390/scsi/zfcp_dbf.h
@@ -2,7 +2,7 @@
* zfcp device driver
* debug feature declarations
*
- * Copyright IBM Corp. 2008, 2016
+ * Copyright IBM Corp. 2008, 2017
*/
#ifndef ZFCP_DBF_H
@@ -204,16 +204,17 @@ enum zfcp_dbf_scsi_id {
* @id: unique number of recovery record type
* @tag: identifier string specifying the location of initiation
* @scsi_id: scsi device id
- * @scsi_lun: scsi device logical unit number
+ * @scsi_lun: scsi device logical unit number, low part of 64 bit, old 32 bit
* @scsi_result: scsi result
* @scsi_retries: current retry number of scsi request
* @scsi_allowed: allowed retries
- * @fcp_rsp_info: FCP response info
+ * @fcp_rsp_info: FCP response info code
* @scsi_opcode: scsi opcode
* @fsf_req_id: request id of fsf request
* @host_scribble: LLD specific data attached to SCSI request
- * @pl_len: length of paload stored as zfcp_dbf_pay
- * @fsf_rsp: response for fsf request
+ * @pl_len: length of payload stored as zfcp_dbf_pay
+ * @fcp_rsp: response for FCP request
+ * @scsi_lun_64_hi: scsi device logical unit number, high part of 64 bit
*/
struct zfcp_dbf_scsi {
u8 id;
@@ -230,6 +231,7 @@ struct zfcp_dbf_scsi {
u64 host_scribble;
u16 pl_len;
struct fcp_resp_with_ext fcp_rsp;
+ u32 scsi_lun_64_hi;
} __packed;
/**
@@ -299,7 +301,7 @@ bool zfcp_dbf_hba_fsf_resp_suppress(struct zfcp_fsf_req *req)
if (qtcb->prefix.qtcb_type != FSF_IO_COMMAND)
return false; /* not an FCP response */
- fcp_rsp = (struct fcp_resp *)&qtcb->bottom.io.fcp_rsp;
+ fcp_rsp = &qtcb->bottom.io.fcp_rsp.iu.resp;
rsp_flags = fcp_rsp->fr_flags;
fr_status = fcp_rsp->fr_status;
return (fsf_stat == FSF_FCP_RSP_AVAILABLE) &&
@@ -323,7 +325,11 @@ void zfcp_dbf_hba_fsf_response(struct zfcp_fsf_req *req)
{
struct fsf_qtcb *qtcb = req->qtcb;
- if ((qtcb->prefix.prot_status != FSF_PROT_GOOD) &&
+ if (unlikely(req->status & (ZFCP_STATUS_FSFREQ_DISMISSED |
+ ZFCP_STATUS_FSFREQ_ERROR))) {
+ zfcp_dbf_hba_fsf_resp("fs_rerr", 3, req);
+
+ } else if ((qtcb->prefix.prot_status != FSF_PROT_GOOD) &&
(qtcb->prefix.prot_status != FSF_PROT_FSF_STATUS_PRESENTED)) {
zfcp_dbf_hba_fsf_resp("fs_perr", 1, req);
@@ -401,7 +407,8 @@ void zfcp_dbf_scsi_abort(char *tag, struct scsi_cmnd *scmd,
* @flag: indicates type of reset (Target Reset, Logical Unit Reset)
*/
static inline
-void zfcp_dbf_scsi_devreset(char *tag, struct scsi_cmnd *scmnd, u8 flag)
+void zfcp_dbf_scsi_devreset(char *tag, struct scsi_cmnd *scmnd, u8 flag,
+ struct zfcp_fsf_req *fsf_req)
{
char tmp_tag[ZFCP_DBF_TAG_LEN];
@@ -411,7 +418,7 @@ void zfcp_dbf_scsi_devreset(char *tag, struct scsi_cmnd *scmnd, u8 flag)
memcpy(tmp_tag, "lr_", 3);
memcpy(&tmp_tag[3], tag, 4);
- _zfcp_dbf_scsi(tmp_tag, 1, scmnd, NULL);
+ _zfcp_dbf_scsi(tmp_tag, 1, scmnd, fsf_req);
}
/**
diff --git a/drivers/s390/scsi/zfcp_erp.c b/drivers/s390/scsi/zfcp_erp.c
index 7ccfce559034..37408f5f81ce 100644
--- a/drivers/s390/scsi/zfcp_erp.c
+++ b/drivers/s390/scsi/zfcp_erp.c
@@ -572,9 +572,8 @@ static void zfcp_erp_memwait_handler(unsigned long data)
static void zfcp_erp_strategy_memwait(struct zfcp_erp_action *erp_action)
{
- init_timer(&erp_action->timer);
- erp_action->timer.function = zfcp_erp_memwait_handler;
- erp_action->timer.data = (unsigned long) erp_action;
+ setup_timer(&erp_action->timer, zfcp_erp_memwait_handler,
+ (unsigned long) erp_action);
erp_action->timer.expires = jiffies + HZ;
add_timer(&erp_action->timer);
}
diff --git a/drivers/s390/scsi/zfcp_ext.h b/drivers/s390/scsi/zfcp_ext.h
index 9afdbc32b23f..a9e968717dd9 100644
--- a/drivers/s390/scsi/zfcp_ext.h
+++ b/drivers/s390/scsi/zfcp_ext.h
@@ -41,7 +41,6 @@ extern void zfcp_dbf_rec_run_wka(char *, struct zfcp_fc_wka_port *, u64);
extern void zfcp_dbf_hba_fsf_uss(char *, struct zfcp_fsf_req *);
extern void zfcp_dbf_hba_fsf_res(char *, int, struct zfcp_fsf_req *);
extern void zfcp_dbf_hba_bit_err(char *, struct zfcp_fsf_req *);
-extern void zfcp_dbf_hba_berr(struct zfcp_dbf *, struct zfcp_fsf_req *);
extern void zfcp_dbf_hba_def_err(struct zfcp_adapter *, u64, u16, void **);
extern void zfcp_dbf_hba_basic(char *, struct zfcp_adapter *);
extern void zfcp_dbf_san_req(char *, struct zfcp_fsf_req *, u32);
diff --git a/drivers/s390/scsi/zfcp_fc.c b/drivers/s390/scsi/zfcp_fc.c
index 7331eea67435..8210645c2111 100644
--- a/drivers/s390/scsi/zfcp_fc.c
+++ b/drivers/s390/scsi/zfcp_fc.c
@@ -3,7 +3,7 @@
*
* Fibre Channel related functions for the zfcp device driver.
*
- * Copyright IBM Corp. 2008, 2010
+ * Copyright IBM Corp. 2008, 2017
*/
#define KMSG_COMPONENT "zfcp"
@@ -29,7 +29,7 @@ static u32 zfcp_fc_rscn_range_mask[] = {
};
static bool no_auto_port_rescan;
-module_param_named(no_auto_port_rescan, no_auto_port_rescan, bool, 0600);
+module_param(no_auto_port_rescan, bool, 0600);
MODULE_PARM_DESC(no_auto_port_rescan,
"no automatic port_rescan (default off)");
@@ -260,7 +260,8 @@ static void zfcp_fc_incoming_rscn(struct zfcp_fsf_req *fsf_req)
page = (struct fc_els_rscn_page *) head;
/* see FC-FS */
- no_entries = head->rscn_plen / sizeof(struct fc_els_rscn_page);
+ no_entries = be16_to_cpu(head->rscn_plen) /
+ sizeof(struct fc_els_rscn_page);
for (i = 1; i < no_entries; i++) {
/* skip head and start with 1st element */
@@ -296,7 +297,7 @@ static void zfcp_fc_incoming_plogi(struct zfcp_fsf_req *req)
status_buffer = (struct fsf_status_read_buffer *) req->data;
plogi = (struct fc_els_flogi *) status_buffer->payload.data;
- zfcp_fc_incoming_wwpn(req, plogi->fl_wwpn);
+ zfcp_fc_incoming_wwpn(req, be64_to_cpu(plogi->fl_wwpn));
}
static void zfcp_fc_incoming_logo(struct zfcp_fsf_req *req)
@@ -306,7 +307,7 @@ static void zfcp_fc_incoming_logo(struct zfcp_fsf_req *req)
struct fc_els_logo *logo =
(struct fc_els_logo *) status_buffer->payload.data;
- zfcp_fc_incoming_wwpn(req, logo->fl_n_port_wwn);
+ zfcp_fc_incoming_wwpn(req, be64_to_cpu(logo->fl_n_port_wwn));
}
/**
@@ -335,7 +336,7 @@ static void zfcp_fc_ns_gid_pn_eval(struct zfcp_fc_req *fc_req)
if (ct_els->status)
return;
- if (gid_pn_rsp->ct_hdr.ct_cmd != FC_FS_ACC)
+ if (gid_pn_rsp->ct_hdr.ct_cmd != cpu_to_be16(FC_FS_ACC))
return;
/* looks like a valid d_id */
@@ -352,8 +353,8 @@ static void zfcp_fc_ct_ns_init(struct fc_ct_hdr *ct_hdr, u16 cmd, u16 mr_size)
ct_hdr->ct_rev = FC_CT_REV;
ct_hdr->ct_fs_type = FC_FST_DIR;
ct_hdr->ct_fs_subtype = FC_NS_SUBTYPE;
- ct_hdr->ct_cmd = cmd;
- ct_hdr->ct_mr_size = mr_size / 4;
+ ct_hdr->ct_cmd = cpu_to_be16(cmd);
+ ct_hdr->ct_mr_size = cpu_to_be16(mr_size / 4);
}
static int zfcp_fc_ns_gid_pn_request(struct zfcp_port *port,
@@ -376,7 +377,7 @@ static int zfcp_fc_ns_gid_pn_request(struct zfcp_port *port,
zfcp_fc_ct_ns_init(&gid_pn_req->ct_hdr,
FC_NS_GID_PN, ZFCP_FC_CT_SIZE_PAGE);
- gid_pn_req->gid_pn.fn_wwpn = port->wwpn;
+ gid_pn_req->gid_pn.fn_wwpn = cpu_to_be64(port->wwpn);
ret = zfcp_fsf_send_ct(&adapter->gs->ds, &fc_req->ct_els,
adapter->pool.gid_pn_req,
@@ -460,26 +461,26 @@ void zfcp_fc_trigger_did_lookup(struct zfcp_port *port)
*/
void zfcp_fc_plogi_evaluate(struct zfcp_port *port, struct fc_els_flogi *plogi)
{
- if (plogi->fl_wwpn != port->wwpn) {
+ if (be64_to_cpu(plogi->fl_wwpn) != port->wwpn) {
port->d_id = 0;
dev_warn(&port->adapter->ccw_device->dev,
"A port opened with WWPN 0x%016Lx returned data that "
"identifies it as WWPN 0x%016Lx\n",
(unsigned long long) port->wwpn,
- (unsigned long long) plogi->fl_wwpn);
+ (unsigned long long) be64_to_cpu(plogi->fl_wwpn));
return;
}
- port->wwnn = plogi->fl_wwnn;
- port->maxframe_size = plogi->fl_csp.sp_bb_data;
+ port->wwnn = be64_to_cpu(plogi->fl_wwnn);
+ port->maxframe_size = be16_to_cpu(plogi->fl_csp.sp_bb_data);
- if (plogi->fl_cssp[0].cp_class & FC_CPC_VALID)
+ if (plogi->fl_cssp[0].cp_class & cpu_to_be16(FC_CPC_VALID))
port->supported_classes |= FC_COS_CLASS1;
- if (plogi->fl_cssp[1].cp_class & FC_CPC_VALID)
+ if (plogi->fl_cssp[1].cp_class & cpu_to_be16(FC_CPC_VALID))
port->supported_classes |= FC_COS_CLASS2;
- if (plogi->fl_cssp[2].cp_class & FC_CPC_VALID)
+ if (plogi->fl_cssp[2].cp_class & cpu_to_be16(FC_CPC_VALID))
port->supported_classes |= FC_COS_CLASS3;
- if (plogi->fl_cssp[3].cp_class & FC_CPC_VALID)
+ if (plogi->fl_cssp[3].cp_class & cpu_to_be16(FC_CPC_VALID))
port->supported_classes |= FC_COS_CLASS4;
}
@@ -497,9 +498,9 @@ static void zfcp_fc_adisc_handler(void *data)
}
if (!port->wwnn)
- port->wwnn = adisc_resp->adisc_wwnn;
+ port->wwnn = be64_to_cpu(adisc_resp->adisc_wwnn);
- if ((port->wwpn != adisc_resp->adisc_wwpn) ||
+ if ((port->wwpn != be64_to_cpu(adisc_resp->adisc_wwpn)) ||
!(atomic_read(&port->status) & ZFCP_STATUS_COMMON_OPEN)) {
zfcp_erp_port_reopen(port, ZFCP_STATUS_COMMON_ERP_FAILED,
"fcadh_2");
@@ -538,8 +539,8 @@ static int zfcp_fc_adisc(struct zfcp_port *port)
/* acc. to FC-FS, hard_nport_id in ADISC should not be set for ports
without FC-AL-2 capability, so we don't set it */
- fc_req->u.adisc.req.adisc_wwpn = fc_host_port_name(shost);
- fc_req->u.adisc.req.adisc_wwnn = fc_host_node_name(shost);
+ fc_req->u.adisc.req.adisc_wwpn = cpu_to_be64(fc_host_port_name(shost));
+ fc_req->u.adisc.req.adisc_wwnn = cpu_to_be64(fc_host_node_name(shost));
fc_req->u.adisc.req.adisc_cmd = ELS_ADISC;
hton24(fc_req->u.adisc.req.adisc_port_id, fc_host_port_id(shost));
@@ -666,8 +667,8 @@ static int zfcp_fc_eval_gpn_ft(struct zfcp_fc_req *fc_req,
if (ct_els->status)
return -EIO;
- if (hdr->ct_cmd != FC_FS_ACC) {
- if (hdr->ct_reason == FC_BA_RJT_UNABLE)
+ if (hdr->ct_cmd != cpu_to_be16(FC_FS_ACC)) {
+ if (hdr->ct_reason == FC_FS_RJT_UNABL)
return -EAGAIN; /* might be a temporary condition */
return -EIO;
}
@@ -693,10 +694,11 @@ static int zfcp_fc_eval_gpn_ft(struct zfcp_fc_req *fc_req,
if (d_id >= FC_FID_WELL_KNOWN_BASE)
continue;
/* skip the adapter's port and known remote ports */
- if (acc->fp_wwpn == fc_host_port_name(adapter->scsi_host))
+ if (be64_to_cpu(acc->fp_wwpn) ==
+ fc_host_port_name(adapter->scsi_host))
continue;
- port = zfcp_port_enqueue(adapter, acc->fp_wwpn,
+ port = zfcp_port_enqueue(adapter, be64_to_cpu(acc->fp_wwpn),
ZFCP_STATUS_COMMON_NOESC, d_id);
if (!IS_ERR(port))
zfcp_erp_port_reopen(port, 0, "fcegpf1");
diff --git a/drivers/s390/scsi/zfcp_fc.h b/drivers/s390/scsi/zfcp_fc.h
index df2b541c8287..41f22d3dc6d1 100644
--- a/drivers/s390/scsi/zfcp_fc.h
+++ b/drivers/s390/scsi/zfcp_fc.h
@@ -4,7 +4,7 @@
* Fibre Channel related definitions and inline functions for the zfcp
* device driver
*
- * Copyright IBM Corp. 2009
+ * Copyright IBM Corp. 2009, 2017
*/
#ifndef ZFCP_FC_H
@@ -212,6 +212,8 @@ static inline
void zfcp_fc_scsi_to_fcp(struct fcp_cmnd *fcp, struct scsi_cmnd *scsi,
u8 tm_flags)
{
+ u32 datalen;
+
int_to_scsilun(scsi->device->lun, (struct scsi_lun *) &fcp->fc_lun);
if (unlikely(tm_flags)) {
@@ -228,10 +230,13 @@ void zfcp_fc_scsi_to_fcp(struct fcp_cmnd *fcp, struct scsi_cmnd *scsi,
memcpy(fcp->fc_cdb, scsi->cmnd, scsi->cmd_len);
- fcp->fc_dl = scsi_bufflen(scsi);
+ datalen = scsi_bufflen(scsi);
+ fcp->fc_dl = cpu_to_be32(datalen);
- if (scsi_get_prot_type(scsi) == SCSI_PROT_DIF_TYPE1)
- fcp->fc_dl += fcp->fc_dl / scsi->device->sector_size * 8;
+ if (scsi_get_prot_type(scsi) == SCSI_PROT_DIF_TYPE1) {
+ datalen += datalen / scsi->device->sector_size * 8;
+ fcp->fc_dl = cpu_to_be32(datalen);
+ }
}
/**
@@ -266,19 +271,23 @@ void zfcp_fc_eval_fcp_rsp(struct fcp_resp_with_ext *fcp_rsp,
if (unlikely(rsp_flags & FCP_SNS_LEN_VAL)) {
sense = (char *) &fcp_rsp[1];
if (rsp_flags & FCP_RSP_LEN_VAL)
- sense += fcp_rsp->ext.fr_rsp_len;
- sense_len = min(fcp_rsp->ext.fr_sns_len,
- (u32) SCSI_SENSE_BUFFERSIZE);
+ sense += be32_to_cpu(fcp_rsp->ext.fr_rsp_len);
+ sense_len = min_t(u32, be32_to_cpu(fcp_rsp->ext.fr_sns_len),
+ SCSI_SENSE_BUFFERSIZE);
memcpy(scsi->sense_buffer, sense, sense_len);
}
if (unlikely(rsp_flags & FCP_RESID_UNDER)) {
- resid = fcp_rsp->ext.fr_resid;
+ resid = be32_to_cpu(fcp_rsp->ext.fr_resid);
scsi_set_resid(scsi, resid);
if (scsi_bufflen(scsi) - resid < scsi->underflow &&
!(rsp_flags & FCP_SNS_LEN_VAL) &&
fcp_rsp->resp.fr_status == SAM_STAT_GOOD)
set_host_byte(scsi, DID_ERROR);
+ } else if (unlikely(rsp_flags & FCP_RESID_OVER)) {
+ /* FCP_DL was not sufficient for SCSI data length */
+ if (fcp_rsp->resp.fr_status == SAM_STAT_GOOD)
+ set_host_byte(scsi, DID_ERROR);
}
}
diff --git a/drivers/s390/scsi/zfcp_fsf.c b/drivers/s390/scsi/zfcp_fsf.c
index 27ff38f839fc..69d1dc3ec79d 100644
--- a/drivers/s390/scsi/zfcp_fsf.c
+++ b/drivers/s390/scsi/zfcp_fsf.c
@@ -3,7 +3,7 @@
*
* Implementation of FSF commands.
*
- * Copyright IBM Corp. 2002, 2015
+ * Copyright IBM Corp. 2002, 2017
*/
#define KMSG_COMPONENT "zfcp"
@@ -197,8 +197,6 @@ static void zfcp_fsf_status_read_link_down(struct zfcp_fsf_req *req)
switch (sr_buf->status_subtype) {
case FSF_STATUS_READ_SUB_NO_PHYSICAL_LINK:
- zfcp_fsf_link_down_info_eval(req, ldi);
- break;
case FSF_STATUS_READ_SUB_FDISC_FAILED:
zfcp_fsf_link_down_info_eval(req, ldi);
break;
@@ -476,8 +474,8 @@ static int zfcp_fsf_exchange_config_evaluate(struct zfcp_fsf_req *req)
if (req->data)
memcpy(req->data, bottom, sizeof(*bottom));
- fc_host_port_name(shost) = nsp->fl_wwpn;
- fc_host_node_name(shost) = nsp->fl_wwnn;
+ fc_host_port_name(shost) = be64_to_cpu(nsp->fl_wwpn);
+ fc_host_node_name(shost) = be64_to_cpu(nsp->fl_wwnn);
fc_host_supported_classes(shost) = FC_COS_CLASS2 | FC_COS_CLASS3;
adapter->timer_ticks = bottom->timer_interval & ZFCP_FSF_TIMER_INT_MASK;
@@ -503,8 +501,8 @@ static int zfcp_fsf_exchange_config_evaluate(struct zfcp_fsf_req *req)
switch (bottom->fc_topology) {
case FSF_TOPO_P2P:
adapter->peer_d_id = ntoh24(bottom->peer_d_id);
- adapter->peer_wwpn = plogi->fl_wwpn;
- adapter->peer_wwnn = plogi->fl_wwnn;
+ adapter->peer_wwpn = be64_to_cpu(plogi->fl_wwpn);
+ adapter->peer_wwnn = be64_to_cpu(plogi->fl_wwnn);
fc_host_port_type(shost) = FC_PORTTYPE_PTP;
break;
case FSF_TOPO_FABRIC:
@@ -928,8 +926,8 @@ static void zfcp_fsf_send_ct_handler(struct zfcp_fsf_req *req)
switch (header->fsf_status) {
case FSF_GOOD:
- zfcp_dbf_san_res("fsscth2", req);
ct->status = 0;
+ zfcp_dbf_san_res("fsscth2", req);
break;
case FSF_SERVICE_CLASS_NOT_SUPPORTED:
zfcp_fsf_class_not_supp(req);
@@ -991,8 +989,7 @@ static int zfcp_fsf_setup_ct_els_sbals(struct zfcp_fsf_req *req,
qtcb->bottom.support.resp_buf_length =
zfcp_qdio_real_bytes(sg_resp);
- zfcp_qdio_set_data_div(qdio, &req->qdio_req,
- zfcp_qdio_sbale_count(sg_req));
+ zfcp_qdio_set_data_div(qdio, &req->qdio_req, sg_nents(sg_req));
zfcp_qdio_set_sbale_last(qdio, &req->qdio_req);
zfcp_qdio_set_scount(qdio, &req->qdio_req);
return 0;
@@ -1109,8 +1106,8 @@ static void zfcp_fsf_send_els_handler(struct zfcp_fsf_req *req)
switch (header->fsf_status) {
case FSF_GOOD:
- zfcp_dbf_san_res("fsselh1", req);
send_els->status = 0;
+ zfcp_dbf_san_res("fsselh1", req);
break;
case FSF_SERVICE_CLASS_NOT_SUPPORTED:
zfcp_fsf_class_not_supp(req);
@@ -1394,6 +1391,8 @@ static void zfcp_fsf_open_port_handler(struct zfcp_fsf_req *req)
case FSF_ADAPTER_STATUS_AVAILABLE:
switch (header->fsf_status_qual.word[0]) {
case FSF_SQ_INVOKE_LINK_TEST_PROCEDURE:
+ /* no zfcp_fc_test_link() with failed open port */
+ /* fall through */
case FSF_SQ_ULP_DEPENDENT_ERP_REQUIRED:
case FSF_SQ_NO_RETRY_POSSIBLE:
req->status |= ZFCP_STATUS_FSFREQ_ERROR;
@@ -2142,7 +2141,8 @@ static void zfcp_fsf_fcp_cmnd_handler(struct zfcp_fsf_req *req)
zfcp_scsi_dif_sense_error(scpnt, 0x3);
goto skip_fsfstatus;
}
- fcp_rsp = (struct fcp_resp_with_ext *) &req->qtcb->bottom.io.fcp_rsp;
+ BUILD_BUG_ON(sizeof(struct fcp_resp_with_ext) > FSF_FCP_RSP_SIZE);
+ fcp_rsp = &req->qtcb->bottom.io.fcp_rsp.iu;
zfcp_fc_eval_fcp_rsp(fcp_rsp, scpnt);
skip_fsfstatus:
@@ -2255,10 +2255,12 @@ int zfcp_fsf_fcp_cmnd(struct scsi_cmnd *scsi_cmnd)
if (zfcp_fsf_set_data_dir(scsi_cmnd, &io->data_direction))
goto failed_scsi_cmnd;
- fcp_cmnd = (struct fcp_cmnd *) &req->qtcb->bottom.io.fcp_cmnd;
+ BUILD_BUG_ON(sizeof(struct fcp_cmnd) > FSF_FCP_CMND_SIZE);
+ fcp_cmnd = &req->qtcb->bottom.io.fcp_cmnd.iu;
zfcp_fc_scsi_to_fcp(fcp_cmnd, scsi_cmnd, 0);
- if (scsi_prot_sg_count(scsi_cmnd)) {
+ if ((scsi_get_prot_op(scsi_cmnd) != SCSI_PROT_NORMAL) &&
+ scsi_prot_sg_count(scsi_cmnd)) {
zfcp_qdio_set_data_div(qdio, &req->qdio_req,
scsi_prot_sg_count(scsi_cmnd));
retval = zfcp_qdio_sbals_from_sg(qdio, &req->qdio_req,
@@ -2299,7 +2301,7 @@ static void zfcp_fsf_fcp_task_mgmt_handler(struct zfcp_fsf_req *req)
zfcp_fsf_fcp_handler_common(req);
- fcp_rsp = (struct fcp_resp_with_ext *) &req->qtcb->bottom.io.fcp_rsp;
+ fcp_rsp = &req->qtcb->bottom.io.fcp_rsp.iu;
rsp_info = (struct fcp_resp_rsp_info *) &fcp_rsp[1];
if ((rsp_info->rsp_code != FCP_TMF_CMPL) ||
@@ -2348,7 +2350,7 @@ struct zfcp_fsf_req *zfcp_fsf_fcp_task_mgmt(struct scsi_cmnd *scmnd,
zfcp_qdio_set_sbale_last(qdio, &req->qdio_req);
- fcp_cmnd = (struct fcp_cmnd *) &req->qtcb->bottom.io.fcp_cmnd;
+ fcp_cmnd = &req->qtcb->bottom.io.fcp_cmnd.iu;
zfcp_fc_scsi_to_fcp(fcp_cmnd, scmnd, tm_flags);
zfcp_fsf_start_timer(req, ZFCP_SCSI_ER_TIMEOUT);
@@ -2392,7 +2394,6 @@ void zfcp_fsf_reqid_check(struct zfcp_qdio *qdio, int sbal_idx)
req_id, dev_name(&adapter->ccw_device->dev));
}
- fsf_req->qdio_req.sbal_response = sbal_idx;
zfcp_fsf_req_complete(fsf_req);
if (likely(sbale->eflags & SBAL_EFLAGS_LAST_ENTRY))
diff --git a/drivers/s390/scsi/zfcp_fsf.h b/drivers/s390/scsi/zfcp_fsf.h
index ea3c76ac0de1..88feba5bfda4 100644
--- a/drivers/s390/scsi/zfcp_fsf.h
+++ b/drivers/s390/scsi/zfcp_fsf.h
@@ -3,7 +3,7 @@
*
* Interface to the FSF support functions.
*
- * Copyright IBM Corp. 2002, 2016
+ * Copyright IBM Corp. 2002, 2017
*/
#ifndef FSF_H
@@ -312,8 +312,14 @@ struct fsf_qtcb_bottom_io {
u32 data_block_length;
u32 prot_data_length;
u8 res2[4];
- u8 fcp_cmnd[FSF_FCP_CMND_SIZE];
- u8 fcp_rsp[FSF_FCP_RSP_SIZE];
+ union {
+ u8 byte[FSF_FCP_CMND_SIZE];
+ struct fcp_cmnd iu;
+ } fcp_cmnd;
+ union {
+ u8 byte[FSF_FCP_RSP_SIZE];
+ struct fcp_resp_with_ext iu;
+ } fcp_rsp;
u8 res3[64];
} __attribute__ ((packed));
diff --git a/drivers/s390/scsi/zfcp_qdio.c b/drivers/s390/scsi/zfcp_qdio.c
index dbf2b54703f7..9e358fc04b78 100644
--- a/drivers/s390/scsi/zfcp_qdio.c
+++ b/drivers/s390/scsi/zfcp_qdio.c
@@ -14,7 +14,7 @@
#include "zfcp_ext.h"
#include "zfcp_qdio.h"
-static bool enable_multibuffer = 1;
+static bool enable_multibuffer = true;
module_param_named(datarouter, enable_multibuffer, bool, 0400);
MODULE_PARM_DESC(datarouter, "Enable hardware data router support (default on)");
diff --git a/drivers/s390/scsi/zfcp_qdio.h b/drivers/s390/scsi/zfcp_qdio.h
index 497cd379b0d1..7f647a90c750 100644
--- a/drivers/s390/scsi/zfcp_qdio.h
+++ b/drivers/s390/scsi/zfcp_qdio.h
@@ -54,7 +54,6 @@ struct zfcp_qdio {
* @sbal_last: last sbal for this request
* @sbal_limit: last possible sbal for this request
* @sbale_curr: current sbale at creation of this request
- * @sbal_response: sbal used in interrupt
* @qdio_outb_usage: usage of outbound queue
*/
struct zfcp_qdio_req {
@@ -64,7 +63,6 @@ struct zfcp_qdio_req {
u8 sbal_last;
u8 sbal_limit;
u8 sbale_curr;
- u8 sbal_response;
u16 qdio_outb_usage;
};
@@ -225,21 +223,6 @@ void zfcp_qdio_set_data_div(struct zfcp_qdio *qdio,
}
/**
- * zfcp_qdio_sbale_count - count sbale used
- * @sg: pointer to struct scatterlist
- */
-static inline
-unsigned int zfcp_qdio_sbale_count(struct scatterlist *sg)
-{
- unsigned int count = 0;
-
- for (; sg; sg = sg_next(sg))
- count++;
-
- return count;
-}
-
-/**
* zfcp_qdio_real_bytes - count bytes used
* @sg: pointer to struct scatterlist
*/
diff --git a/drivers/s390/scsi/zfcp_scsi.c b/drivers/s390/scsi/zfcp_scsi.c
index 0678cf714c0e..ec3ddd1d31d5 100644
--- a/drivers/s390/scsi/zfcp_scsi.c
+++ b/drivers/s390/scsi/zfcp_scsi.c
@@ -3,7 +3,7 @@
*
* Interface to Linux SCSI midlayer.
*
- * Copyright IBM Corp. 2002, 2016
+ * Copyright IBM Corp. 2002, 2017
*/
#define KMSG_COMPONENT "zfcp"
@@ -28,7 +28,7 @@ static bool enable_dif;
module_param_named(dif, enable_dif, bool, 0400);
MODULE_PARM_DESC(dif, "Enable DIF/DIX data integrity support");
-static bool allow_lun_scan = 1;
+static bool allow_lun_scan = true;
module_param(allow_lun_scan, bool, 0600);
MODULE_PARM_DESC(allow_lun_scan, "For NPIV, scan and attach all storage LUNs");
@@ -273,25 +273,29 @@ static int zfcp_task_mgmt_function(struct scsi_cmnd *scpnt, u8 tm_flags)
zfcp_erp_wait(adapter);
ret = fc_block_scsi_eh(scpnt);
- if (ret)
+ if (ret) {
+ zfcp_dbf_scsi_devreset("fiof", scpnt, tm_flags, NULL);
return ret;
+ }
if (!(atomic_read(&adapter->status) &
ZFCP_STATUS_COMMON_RUNNING)) {
- zfcp_dbf_scsi_devreset("nres", scpnt, tm_flags);
+ zfcp_dbf_scsi_devreset("nres", scpnt, tm_flags, NULL);
return SUCCESS;
}
}
- if (!fsf_req)
+ if (!fsf_req) {
+ zfcp_dbf_scsi_devreset("reqf", scpnt, tm_flags, NULL);
return FAILED;
+ }
wait_for_completion(&fsf_req->completion);
if (fsf_req->status & ZFCP_STATUS_FSFREQ_TMFUNCFAILED) {
- zfcp_dbf_scsi_devreset("fail", scpnt, tm_flags);
+ zfcp_dbf_scsi_devreset("fail", scpnt, tm_flags, fsf_req);
retval = FAILED;
} else {
- zfcp_dbf_scsi_devreset("okay", scpnt, tm_flags);
+ zfcp_dbf_scsi_devreset("okay", scpnt, tm_flags, fsf_req);
zfcp_scsi_forget_cmnds(zfcp_sdev, tm_flags);
}
diff --git a/drivers/scsi/53c700.c b/drivers/scsi/53c700.c
index 4b3b08025ef6..6be77b3aa8a5 100644
--- a/drivers/scsi/53c700.c
+++ b/drivers/scsi/53c700.c
@@ -168,7 +168,6 @@ MODULE_LICENSE("GPL");
STATIC int NCR_700_queuecommand(struct Scsi_Host *h, struct scsi_cmnd *);
STATIC int NCR_700_abort(struct scsi_cmnd * SCpnt);
-STATIC int NCR_700_bus_reset(struct scsi_cmnd * SCpnt);
STATIC int NCR_700_host_reset(struct scsi_cmnd * SCpnt);
STATIC void NCR_700_chip_setup(struct Scsi_Host *host);
STATIC void NCR_700_chip_reset(struct Scsi_Host *host);
@@ -315,7 +314,6 @@ NCR_700_detect(struct scsi_host_template *tpnt,
/* Fill in the missing routines from the host template */
tpnt->queuecommand = NCR_700_queuecommand;
tpnt->eh_abort_handler = NCR_700_abort;
- tpnt->eh_bus_reset_handler = NCR_700_bus_reset;
tpnt->eh_host_reset_handler = NCR_700_host_reset;
tpnt->can_queue = NCR_700_COMMAND_SLOTS_PER_HOST;
tpnt->sg_tablesize = NCR_700_SG_SEGMENTS;
@@ -1938,14 +1936,14 @@ NCR_700_abort(struct scsi_cmnd * SCp)
}
STATIC int
-NCR_700_bus_reset(struct scsi_cmnd * SCp)
+NCR_700_host_reset(struct scsi_cmnd * SCp)
{
DECLARE_COMPLETION_ONSTACK(complete);
struct NCR_700_Host_Parameters *hostdata =
(struct NCR_700_Host_Parameters *)SCp->device->host->hostdata[0];
scmd_printk(KERN_INFO, SCp,
- "New error handler wants BUS reset, cmd %p\n\t", SCp);
+ "New error handler wants HOST reset, cmd %p\n\t", SCp);
scsi_print_command(SCp);
/* In theory, eh_complete should always be null because the
@@ -1960,6 +1958,7 @@ NCR_700_bus_reset(struct scsi_cmnd * SCp)
hostdata->eh_complete = &complete;
NCR_700_internal_bus_reset(SCp->device->host);
+ NCR_700_chip_reset(SCp->device->host);
spin_unlock_irq(SCp->device->host->host_lock);
wait_for_completion(&complete);
@@ -1974,22 +1973,6 @@ NCR_700_bus_reset(struct scsi_cmnd * SCp)
return SUCCESS;
}
-STATIC int
-NCR_700_host_reset(struct scsi_cmnd * SCp)
-{
- scmd_printk(KERN_INFO, SCp, "New error handler wants HOST reset\n\t");
- scsi_print_command(SCp);
-
- spin_lock_irq(SCp->device->host->host_lock);
-
- NCR_700_internal_bus_reset(SCp->device->host);
- NCR_700_chip_reset(SCp->device->host);
-
- spin_unlock_irq(SCp->device->host->host_lock);
-
- return SUCCESS;
-}
-
STATIC void
NCR_700_set_period(struct scsi_target *STp, int period)
{
diff --git a/drivers/scsi/NCR5380.c b/drivers/scsi/NCR5380.c
index acc33440bca0..8a0812221d72 100644
--- a/drivers/scsi/NCR5380.c
+++ b/drivers/scsi/NCR5380.c
@@ -2296,13 +2296,13 @@ out:
/**
- * NCR5380_bus_reset - reset the SCSI bus
+ * NCR5380_host_reset - reset the SCSI host
* @cmd: SCSI command undergoing EH
*
* Returns SUCCESS
*/
-static int NCR5380_bus_reset(struct scsi_cmnd *cmd)
+static int NCR5380_host_reset(struct scsi_cmnd *cmd)
{
struct Scsi_Host *instance = cmd->device->host;
struct NCR5380_hostdata *hostdata = shost_priv(instance);
diff --git a/drivers/scsi/a2091.c b/drivers/scsi/a2091.c
index 9176bfbd5745..61aadc7acb49 100644
--- a/drivers/scsi/a2091.c
+++ b/drivers/scsi/a2091.c
@@ -147,22 +147,6 @@ static void dma_stop(struct Scsi_Host *instance, struct scsi_cmnd *SCpnt,
}
}
-static int a2091_bus_reset(struct scsi_cmnd *cmd)
-{
- struct Scsi_Host *instance = cmd->device->host;
-
- /* FIXME perform bus-specific reset */
-
- /* FIXME 2: kill this function, and let midlayer fall back
- to the same action, calling wd33c93_host_reset() */
-
- spin_lock_irq(instance->host_lock);
- wd33c93_host_reset(cmd);
- spin_unlock_irq(instance->host_lock);
-
- return SUCCESS;
-}
-
static struct scsi_host_template a2091_scsi_template = {
.module = THIS_MODULE,
.name = "Commodore A2091/A590 SCSI",
@@ -171,7 +155,6 @@ static struct scsi_host_template a2091_scsi_template = {
.proc_name = "A2901",
.queuecommand = wd33c93_queuecommand,
.eh_abort_handler = wd33c93_abort,
- .eh_bus_reset_handler = a2091_bus_reset,
.eh_host_reset_handler = wd33c93_host_reset,
.can_queue = CAN_QUEUE,
.this_id = 7,
diff --git a/drivers/scsi/a3000.c b/drivers/scsi/a3000.c
index e6375b4de79e..2427a8541247 100644
--- a/drivers/scsi/a3000.c
+++ b/drivers/scsi/a3000.c
@@ -162,22 +162,6 @@ static void dma_stop(struct Scsi_Host *instance, struct scsi_cmnd *SCpnt,
}
}
-static int a3000_bus_reset(struct scsi_cmnd *cmd)
-{
- struct Scsi_Host *instance = cmd->device->host;
-
- /* FIXME perform bus-specific reset */
-
- /* FIXME 2: kill this entire function, which should
- cause mid-layer to call wd33c93_host_reset anyway? */
-
- spin_lock_irq(instance->host_lock);
- wd33c93_host_reset(cmd);
- spin_unlock_irq(instance->host_lock);
-
- return SUCCESS;
-}
-
static struct scsi_host_template amiga_a3000_scsi_template = {
.module = THIS_MODULE,
.name = "Amiga 3000 built-in SCSI",
@@ -186,7 +170,6 @@ static struct scsi_host_template amiga_a3000_scsi_template = {
.proc_name = "A3000",
.queuecommand = wd33c93_queuecommand,
.eh_abort_handler = wd33c93_abort,
- .eh_bus_reset_handler = a3000_bus_reset,
.eh_host_reset_handler = wd33c93_host_reset,
.can_queue = CAN_QUEUE,
.this_id = 7,
diff --git a/drivers/scsi/aacraid/aachba.c b/drivers/scsi/aacraid/aachba.c
index a1a2c71e1626..a64285ab0728 100644
--- a/drivers/scsi/aacraid/aachba.c
+++ b/drivers/scsi/aacraid/aachba.c
@@ -594,6 +594,7 @@ static int aac_get_container_name(struct scsi_cmnd * scsicmd)
aac_fib_init(cmd_fibcontext);
dinfo = (struct aac_get_name *) fib_data(cmd_fibcontext);
+ scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
dinfo->command = cpu_to_le32(VM_ContainerConfig);
dinfo->type = cpu_to_le32(CT_READ_NAME);
@@ -611,10 +612,8 @@ static int aac_get_container_name(struct scsi_cmnd * scsicmd)
/*
* Check that the command queued to the controller
*/
- if (status == -EINPROGRESS) {
- scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
+ if (status == -EINPROGRESS)
return 0;
- }
printk(KERN_WARNING "aac_get_container_name: aac_fib_send failed with status: %d.\n", status);
aac_fib_complete(cmd_fibcontext);
@@ -725,6 +724,7 @@ static void _aac_probe_container1(void * context, struct fib * fibptr)
dinfo->count = cpu_to_le32(scmd_id(scsicmd));
dinfo->type = cpu_to_le32(FT_FILESYS);
+ scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
status = aac_fib_send(ContainerCommand,
fibptr,
@@ -736,9 +736,7 @@ static void _aac_probe_container1(void * context, struct fib * fibptr)
/*
* Check that the command queued to the controller
*/
- if (status == -EINPROGRESS)
- scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
- else if (status < 0) {
+ if (status < 0 && status != -EINPROGRESS) {
/* Inherit results from VM_NameServe, if any */
dresp->status = cpu_to_le32(ST_OK);
_aac_probe_container2(context, fibptr);
@@ -766,6 +764,7 @@ static int _aac_probe_container(struct scsi_cmnd * scsicmd, int (*callback)(stru
dinfo->count = cpu_to_le32(scmd_id(scsicmd));
dinfo->type = cpu_to_le32(FT_FILESYS);
scsicmd->SCp.ptr = (char *)callback;
+ scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
status = aac_fib_send(ContainerCommand,
fibptr,
@@ -777,10 +776,9 @@ static int _aac_probe_container(struct scsi_cmnd * scsicmd, int (*callback)(stru
/*
* Check that the command queued to the controller
*/
- if (status == -EINPROGRESS) {
- scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
+ if (status == -EINPROGRESS)
return 0;
- }
+
if (status < 0) {
scsicmd->SCp.ptr = NULL;
aac_fib_complete(fibptr);
@@ -1126,6 +1124,7 @@ static int aac_get_container_serial(struct scsi_cmnd * scsicmd)
dinfo->command = cpu_to_le32(VM_ContainerConfig);
dinfo->type = cpu_to_le32(CT_CID_TO_32BITS_UID);
dinfo->cid = cpu_to_le32(scmd_id(scsicmd));
+ scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
status = aac_fib_send(ContainerCommand,
cmd_fibcontext,
@@ -1138,10 +1137,8 @@ static int aac_get_container_serial(struct scsi_cmnd * scsicmd)
/*
* Check that the command queued to the controller
*/
- if (status == -EINPROGRESS) {
- scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
+ if (status == -EINPROGRESS)
return 0;
- }
printk(KERN_WARNING "aac_get_container_serial: aac_fib_send failed with status: %d.\n", status);
aac_fib_complete(cmd_fibcontext);
@@ -2335,16 +2332,14 @@ static int aac_read(struct scsi_cmnd * scsicmd)
* Alocate and initialize a Fib
*/
cmd_fibcontext = aac_fib_alloc_tag(dev, scsicmd);
-
+ scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
status = aac_adapter_read(cmd_fibcontext, scsicmd, lba, count);
/*
* Check that the command queued to the controller
*/
- if (status == -EINPROGRESS) {
- scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
+ if (status == -EINPROGRESS)
return 0;
- }
printk(KERN_WARNING "aac_read: aac_fib_send failed with status: %d.\n", status);
/*
@@ -2429,16 +2424,14 @@ static int aac_write(struct scsi_cmnd * scsicmd)
* Allocate and initialize a Fib then setup a BlockWrite command
*/
cmd_fibcontext = aac_fib_alloc_tag(dev, scsicmd);
-
+ scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
status = aac_adapter_write(cmd_fibcontext, scsicmd, lba, count, fua);
/*
* Check that the command queued to the controller
*/
- if (status == -EINPROGRESS) {
- scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
+ if (status == -EINPROGRESS)
return 0;
- }
printk(KERN_WARNING "aac_write: aac_fib_send failed with status: %d\n", status);
/*
@@ -2588,6 +2581,7 @@ static int aac_synchronize(struct scsi_cmnd *scsicmd)
synchronizecmd->cid = cpu_to_le32(scmd_id(scsicmd));
synchronizecmd->count =
cpu_to_le32(sizeof(((struct aac_synchronize_reply *)NULL)->data));
+ scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
/*
* Now send the Fib to the adapter
@@ -2603,10 +2597,8 @@ static int aac_synchronize(struct scsi_cmnd *scsicmd)
/*
* Check that the command queued to the controller
*/
- if (status == -EINPROGRESS) {
- scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
+ if (status == -EINPROGRESS)
return 0;
- }
printk(KERN_WARNING
"aac_synchronize: aac_fib_send failed with status: %d.\n", status);
@@ -2666,6 +2658,7 @@ static int aac_start_stop(struct scsi_cmnd *scsicmd)
pmcmd->cid = cpu_to_le32(sdev_id(sdev));
pmcmd->parm = (scsicmd->cmnd[1] & 1) ?
cpu_to_le32(CT_PM_UNIT_IMMEDIATE) : 0;
+ scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
/*
* Now send the Fib to the adapter
@@ -2681,10 +2674,8 @@ static int aac_start_stop(struct scsi_cmnd *scsicmd)
/*
* Check that the command queued to the controller
*/
- if (status == -EINPROGRESS) {
- scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
+ if (status == -EINPROGRESS)
return 0;
- }
aac_fib_complete(cmd_fibcontext);
aac_fib_free(cmd_fibcontext);
@@ -3692,16 +3683,14 @@ static int aac_send_srb_fib(struct scsi_cmnd* scsicmd)
* Allocate and initialize a Fib then setup a BlockWrite command
*/
cmd_fibcontext = aac_fib_alloc_tag(dev, scsicmd);
-
+ scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
status = aac_adapter_scsi(cmd_fibcontext, scsicmd);
/*
* Check that the command queued to the controller
*/
- if (status == -EINPROGRESS) {
- scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
+ if (status == -EINPROGRESS)
return 0;
- }
printk(KERN_WARNING "aac_srb: aac_fib_send failed with status: %d\n", status);
aac_fib_complete(cmd_fibcontext);
@@ -3739,15 +3728,14 @@ static int aac_send_hba_fib(struct scsi_cmnd *scsicmd)
if (!cmd_fibcontext)
return -1;
+ scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
status = aac_adapter_hba(cmd_fibcontext, scsicmd);
/*
* Check that the command queued to the controller
*/
- if (status == -EINPROGRESS) {
- scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
+ if (status == -EINPROGRESS)
return 0;
- }
pr_warn("aac_hba_cmd_req: aac_fib_send failed with status: %d\n",
status);
@@ -3763,6 +3751,8 @@ static long aac_build_sg(struct scsi_cmnd *scsicmd, struct sgmap *psg)
struct aac_dev *dev;
unsigned long byte_count = 0;
int nseg;
+ struct scatterlist *sg;
+ int i;
dev = (struct aac_dev *)scsicmd->device->host->hostdata;
// Get rid of old data
@@ -3771,32 +3761,29 @@ static long aac_build_sg(struct scsi_cmnd *scsicmd, struct sgmap *psg)
psg->sg[0].count = 0;
nseg = scsi_dma_map(scsicmd);
- if (nseg < 0)
+ if (nseg <= 0)
return nseg;
- if (nseg) {
- struct scatterlist *sg;
- int i;
- psg->count = cpu_to_le32(nseg);
+ psg->count = cpu_to_le32(nseg);
- scsi_for_each_sg(scsicmd, sg, nseg, i) {
- psg->sg[i].addr = cpu_to_le32(sg_dma_address(sg));
- psg->sg[i].count = cpu_to_le32(sg_dma_len(sg));
- byte_count += sg_dma_len(sg);
- }
- /* hba wants the size to be exact */
- if (byte_count > scsi_bufflen(scsicmd)) {
- u32 temp = le32_to_cpu(psg->sg[i-1].count) -
- (byte_count - scsi_bufflen(scsicmd));
- psg->sg[i-1].count = cpu_to_le32(temp);
- byte_count = scsi_bufflen(scsicmd);
- }
- /* Check for command underflow */
- if(scsicmd->underflow && (byte_count < scsicmd->underflow)){
- printk(KERN_WARNING"aacraid: cmd len %08lX cmd underflow %08X\n",
- byte_count, scsicmd->underflow);
- }
+ scsi_for_each_sg(scsicmd, sg, nseg, i) {
+ psg->sg[i].addr = cpu_to_le32(sg_dma_address(sg));
+ psg->sg[i].count = cpu_to_le32(sg_dma_len(sg));
+ byte_count += sg_dma_len(sg);
}
+ /* hba wants the size to be exact */
+ if (byte_count > scsi_bufflen(scsicmd)) {
+ u32 temp = le32_to_cpu(psg->sg[i-1].count) -
+ (byte_count - scsi_bufflen(scsicmd));
+ psg->sg[i-1].count = cpu_to_le32(temp);
+ byte_count = scsi_bufflen(scsicmd);
+ }
+ /* Check for command underflow */
+ if (scsicmd->underflow && (byte_count < scsicmd->underflow)) {
+ printk(KERN_WARNING"aacraid: cmd len %08lX cmd underflow %08X\n",
+ byte_count, scsicmd->underflow);
+ }
+
return byte_count;
}
@@ -3807,6 +3794,8 @@ static long aac_build_sg64(struct scsi_cmnd *scsicmd, struct sgmap64 *psg)
unsigned long byte_count = 0;
u64 addr;
int nseg;
+ struct scatterlist *sg;
+ int i;
dev = (struct aac_dev *)scsicmd->device->host->hostdata;
// Get rid of old data
@@ -3816,34 +3805,31 @@ static long aac_build_sg64(struct scsi_cmnd *scsicmd, struct sgmap64 *psg)
psg->sg[0].count = 0;
nseg = scsi_dma_map(scsicmd);
- if (nseg < 0)
+ if (nseg <= 0)
return nseg;
- if (nseg) {
- struct scatterlist *sg;
- int i;
-
- scsi_for_each_sg(scsicmd, sg, nseg, i) {
- int count = sg_dma_len(sg);
- addr = sg_dma_address(sg);
- psg->sg[i].addr[0] = cpu_to_le32(addr & 0xffffffff);
- psg->sg[i].addr[1] = cpu_to_le32(addr>>32);
- psg->sg[i].count = cpu_to_le32(count);
- byte_count += count;
- }
- psg->count = cpu_to_le32(nseg);
- /* hba wants the size to be exact */
- if (byte_count > scsi_bufflen(scsicmd)) {
- u32 temp = le32_to_cpu(psg->sg[i-1].count) -
- (byte_count - scsi_bufflen(scsicmd));
- psg->sg[i-1].count = cpu_to_le32(temp);
- byte_count = scsi_bufflen(scsicmd);
- }
- /* Check for command underflow */
- if(scsicmd->underflow && (byte_count < scsicmd->underflow)){
- printk(KERN_WARNING"aacraid: cmd len %08lX cmd underflow %08X\n",
- byte_count, scsicmd->underflow);
- }
+
+ scsi_for_each_sg(scsicmd, sg, nseg, i) {
+ int count = sg_dma_len(sg);
+ addr = sg_dma_address(sg);
+ psg->sg[i].addr[0] = cpu_to_le32(addr & 0xffffffff);
+ psg->sg[i].addr[1] = cpu_to_le32(addr>>32);
+ psg->sg[i].count = cpu_to_le32(count);
+ byte_count += count;
+ }
+ psg->count = cpu_to_le32(nseg);
+ /* hba wants the size to be exact */
+ if (byte_count > scsi_bufflen(scsicmd)) {
+ u32 temp = le32_to_cpu(psg->sg[i-1].count) -
+ (byte_count - scsi_bufflen(scsicmd));
+ psg->sg[i-1].count = cpu_to_le32(temp);
+ byte_count = scsi_bufflen(scsicmd);
+ }
+ /* Check for command underflow */
+ if (scsicmd->underflow && (byte_count < scsicmd->underflow)) {
+ printk(KERN_WARNING"aacraid: cmd len %08lX cmd underflow %08X\n",
+ byte_count, scsicmd->underflow);
}
+
return byte_count;
}
@@ -3851,6 +3837,8 @@ static long aac_build_sgraw(struct scsi_cmnd *scsicmd, struct sgmapraw *psg)
{
unsigned long byte_count = 0;
int nseg;
+ struct scatterlist *sg;
+ int i;
// Get rid of old data
psg->count = 0;
@@ -3862,37 +3850,34 @@ static long aac_build_sgraw(struct scsi_cmnd *scsicmd, struct sgmapraw *psg)
psg->sg[0].flags = 0;
nseg = scsi_dma_map(scsicmd);
- if (nseg < 0)
+ if (nseg <= 0)
return nseg;
- if (nseg) {
- struct scatterlist *sg;
- int i;
-
- scsi_for_each_sg(scsicmd, sg, nseg, i) {
- int count = sg_dma_len(sg);
- u64 addr = sg_dma_address(sg);
- psg->sg[i].next = 0;
- psg->sg[i].prev = 0;
- psg->sg[i].addr[1] = cpu_to_le32((u32)(addr>>32));
- psg->sg[i].addr[0] = cpu_to_le32((u32)(addr & 0xffffffff));
- psg->sg[i].count = cpu_to_le32(count);
- psg->sg[i].flags = 0;
- byte_count += count;
- }
- psg->count = cpu_to_le32(nseg);
- /* hba wants the size to be exact */
- if (byte_count > scsi_bufflen(scsicmd)) {
- u32 temp = le32_to_cpu(psg->sg[i-1].count) -
- (byte_count - scsi_bufflen(scsicmd));
- psg->sg[i-1].count = cpu_to_le32(temp);
- byte_count = scsi_bufflen(scsicmd);
- }
- /* Check for command underflow */
- if(scsicmd->underflow && (byte_count < scsicmd->underflow)){
- printk(KERN_WARNING"aacraid: cmd len %08lX cmd underflow %08X\n",
- byte_count, scsicmd->underflow);
- }
+
+ scsi_for_each_sg(scsicmd, sg, nseg, i) {
+ int count = sg_dma_len(sg);
+ u64 addr = sg_dma_address(sg);
+ psg->sg[i].next = 0;
+ psg->sg[i].prev = 0;
+ psg->sg[i].addr[1] = cpu_to_le32((u32)(addr>>32));
+ psg->sg[i].addr[0] = cpu_to_le32((u32)(addr & 0xffffffff));
+ psg->sg[i].count = cpu_to_le32(count);
+ psg->sg[i].flags = 0;
+ byte_count += count;
}
+ psg->count = cpu_to_le32(nseg);
+ /* hba wants the size to be exact */
+ if (byte_count > scsi_bufflen(scsicmd)) {
+ u32 temp = le32_to_cpu(psg->sg[i-1].count) -
+ (byte_count - scsi_bufflen(scsicmd));
+ psg->sg[i-1].count = cpu_to_le32(temp);
+ byte_count = scsi_bufflen(scsicmd);
+ }
+ /* Check for command underflow */
+ if (scsicmd->underflow && (byte_count < scsicmd->underflow)) {
+ printk(KERN_WARNING"aacraid: cmd len %08lX cmd underflow %08X\n",
+ byte_count, scsicmd->underflow);
+ }
+
return byte_count;
}
@@ -3901,75 +3886,77 @@ static long aac_build_sgraw2(struct scsi_cmnd *scsicmd,
{
unsigned long byte_count = 0;
int nseg;
+ struct scatterlist *sg;
+ int i, conformable = 0;
+ u32 min_size = PAGE_SIZE, cur_size;
nseg = scsi_dma_map(scsicmd);
- if (nseg < 0)
+ if (nseg <= 0)
return nseg;
- if (nseg) {
- struct scatterlist *sg;
- int i, conformable = 0;
- u32 min_size = PAGE_SIZE, cur_size;
-
- scsi_for_each_sg(scsicmd, sg, nseg, i) {
- int count = sg_dma_len(sg);
- u64 addr = sg_dma_address(sg);
-
- BUG_ON(i >= sg_max);
- rio2->sge[i].addrHigh = cpu_to_le32((u32)(addr>>32));
- rio2->sge[i].addrLow = cpu_to_le32((u32)(addr & 0xffffffff));
- cur_size = cpu_to_le32(count);
- rio2->sge[i].length = cur_size;
- rio2->sge[i].flags = 0;
- if (i == 0) {
- conformable = 1;
- rio2->sgeFirstSize = cur_size;
- } else if (i == 1) {
- rio2->sgeNominalSize = cur_size;
+
+ scsi_for_each_sg(scsicmd, sg, nseg, i) {
+ int count = sg_dma_len(sg);
+ u64 addr = sg_dma_address(sg);
+
+ BUG_ON(i >= sg_max);
+ rio2->sge[i].addrHigh = cpu_to_le32((u32)(addr>>32));
+ rio2->sge[i].addrLow = cpu_to_le32((u32)(addr & 0xffffffff));
+ cur_size = cpu_to_le32(count);
+ rio2->sge[i].length = cur_size;
+ rio2->sge[i].flags = 0;
+ if (i == 0) {
+ conformable = 1;
+ rio2->sgeFirstSize = cur_size;
+ } else if (i == 1) {
+ rio2->sgeNominalSize = cur_size;
+ min_size = cur_size;
+ } else if ((i+1) < nseg && cur_size != rio2->sgeNominalSize) {
+ conformable = 0;
+ if (cur_size < min_size)
min_size = cur_size;
- } else if ((i+1) < nseg && cur_size != rio2->sgeNominalSize) {
- conformable = 0;
- if (cur_size < min_size)
- min_size = cur_size;
- }
- byte_count += count;
}
+ byte_count += count;
+ }
- /* hba wants the size to be exact */
- if (byte_count > scsi_bufflen(scsicmd)) {
- u32 temp = le32_to_cpu(rio2->sge[i-1].length) -
- (byte_count - scsi_bufflen(scsicmd));
- rio2->sge[i-1].length = cpu_to_le32(temp);
- byte_count = scsi_bufflen(scsicmd);
- }
+ /* hba wants the size to be exact */
+ if (byte_count > scsi_bufflen(scsicmd)) {
+ u32 temp = le32_to_cpu(rio2->sge[i-1].length) -
+ (byte_count - scsi_bufflen(scsicmd));
+ rio2->sge[i-1].length = cpu_to_le32(temp);
+ byte_count = scsi_bufflen(scsicmd);
+ }
- rio2->sgeCnt = cpu_to_le32(nseg);
- rio2->flags |= cpu_to_le16(RIO2_SG_FORMAT_IEEE1212);
- /* not conformable: evaluate required sg elements */
- if (!conformable) {
- int j, nseg_new = nseg, err_found;
- for (i = min_size / PAGE_SIZE; i >= 1; --i) {
- err_found = 0;
- nseg_new = 2;
- for (j = 1; j < nseg - 1; ++j) {
- if (rio2->sge[j].length % (i*PAGE_SIZE)) {
- err_found = 1;
- break;
- }
- nseg_new += (rio2->sge[j].length / (i*PAGE_SIZE));
- }
- if (!err_found)
+ rio2->sgeCnt = cpu_to_le32(nseg);
+ rio2->flags |= cpu_to_le16(RIO2_SG_FORMAT_IEEE1212);
+ /* not conformable: evaluate required sg elements */
+ if (!conformable) {
+ int j, nseg_new = nseg, err_found;
+ for (i = min_size / PAGE_SIZE; i >= 1; --i) {
+ err_found = 0;
+ nseg_new = 2;
+ for (j = 1; j < nseg - 1; ++j) {
+ if (rio2->sge[j].length % (i*PAGE_SIZE)) {
+ err_found = 1;
break;
+ }
+ nseg_new += (rio2->sge[j].length / (i*PAGE_SIZE));
}
- if (i > 0 && nseg_new <= sg_max)
- aac_convert_sgraw2(rio2, i, nseg, nseg_new);
- } else
- rio2->flags |= cpu_to_le16(RIO2_SGL_CONFORMANT);
+ if (!err_found)
+ break;
+ }
+ if (i > 0 && nseg_new <= sg_max) {
+ int ret = aac_convert_sgraw2(rio2, i, nseg, nseg_new);
- /* Check for command underflow */
- if (scsicmd->underflow && (byte_count < scsicmd->underflow)) {
- printk(KERN_WARNING"aacraid: cmd len %08lX cmd underflow %08X\n",
- byte_count, scsicmd->underflow);
+ if (ret < 0)
+ return ret;
}
+ } else
+ rio2->flags |= cpu_to_le16(RIO2_SGL_CONFORMANT);
+
+ /* Check for command underflow */
+ if (scsicmd->underflow && (byte_count < scsicmd->underflow)) {
+ printk(KERN_WARNING"aacraid: cmd len %08lX cmd underflow %08X\n",
+ byte_count, scsicmd->underflow);
}
return byte_count;
@@ -3986,7 +3973,7 @@ static int aac_convert_sgraw2(struct aac_raw_io2 *rio2, int pages, int nseg, int
sge = kmalloc(nseg_new * sizeof(struct sge_ieee1212), GFP_ATOMIC);
if (sge == NULL)
- return -1;
+ return -ENOMEM;
for (i = 1, pos = 1; i < nseg-1; ++i) {
for (j = 0; j < rio2->sge[i].length / (pages * PAGE_SIZE); ++j) {
diff --git a/drivers/scsi/aacraid/aacraid.h b/drivers/scsi/aacraid/aacraid.h
index ee2667e20e42..92fabf2b0c24 100644
--- a/drivers/scsi/aacraid/aacraid.h
+++ b/drivers/scsi/aacraid/aacraid.h
@@ -1723,6 +1723,7 @@ struct aac_dev
#define FIB_CONTEXT_FLAG_FASTRESP (0x00000008)
#define FIB_CONTEXT_FLAG_NATIVE_HBA (0x00000010)
#define FIB_CONTEXT_FLAG_NATIVE_HBA_TMF (0x00000020)
+#define FIB_CONTEXT_FLAG_SCSI_CMD (0x00000040)
/*
* Define the command values
diff --git a/drivers/scsi/aacraid/comminit.c b/drivers/scsi/aacraid/comminit.c
index 9ee025b1d0e0..97d269f16888 100644
--- a/drivers/scsi/aacraid/comminit.c
+++ b/drivers/scsi/aacraid/comminit.c
@@ -520,9 +520,9 @@ struct aac_dev *aac_init_adapter(struct aac_dev *dev)
dev->raw_io_64 = 1;
dev->sync_mode = aac_sync_mode;
if (dev->a_ops.adapter_comm &&
- (status[1] & AAC_OPT_NEW_COMM)) {
- dev->comm_interface = AAC_COMM_MESSAGE;
- dev->raw_io_interface = 1;
+ (status[1] & AAC_OPT_NEW_COMM)) {
+ dev->comm_interface = AAC_COMM_MESSAGE;
+ dev->raw_io_interface = 1;
if ((status[1] & AAC_OPT_NEW_COMM_TYPE1)) {
/* driver supports TYPE1 (Tupelo) */
dev->comm_interface = AAC_COMM_MESSAGE_TYPE1;
diff --git a/drivers/scsi/aacraid/commsup.c b/drivers/scsi/aacraid/commsup.c
index 1c617ccfaf12..dfe8e70f8d99 100644
--- a/drivers/scsi/aacraid/commsup.c
+++ b/drivers/scsi/aacraid/commsup.c
@@ -770,7 +770,8 @@ int aac_hba_send(u8 command, struct fib *fibptr, fib_callback callback,
/* bit1 of request_id must be 0 */
hbacmd->request_id =
cpu_to_le32((((u32)(fibptr - dev->fibs)) << 2) + 1);
- } else
+ fibptr->flags |= FIB_CONTEXT_FLAG_SCSI_CMD;
+ } else if (command != HBA_IU_TYPE_SCSI_TM_REQ)
return -EINVAL;
diff --git a/drivers/scsi/aacraid/linit.c b/drivers/scsi/aacraid/linit.c
index 0f277df73af0..87cc4a93e637 100644
--- a/drivers/scsi/aacraid/linit.c
+++ b/drivers/scsi/aacraid/linit.c
@@ -814,111 +814,225 @@ static int aac_eh_abort(struct scsi_cmnd* cmd)
return ret;
}
+static u8 aac_eh_tmf_lun_reset_fib(struct aac_hba_map_info *info,
+ struct fib *fib, u64 tmf_lun)
+{
+ struct aac_hba_tm_req *tmf;
+ u64 address;
+
+ /* start a HBA_TMF_LUN_RESET TMF request */
+ tmf = (struct aac_hba_tm_req *)fib->hw_fib_va;
+ memset(tmf, 0, sizeof(*tmf));
+ tmf->tmf = HBA_TMF_LUN_RESET;
+ tmf->it_nexus = info->rmw_nexus;
+ int_to_scsilun(tmf_lun, (struct scsi_lun *)tmf->lun);
+
+ address = (u64)fib->hw_error_pa;
+ tmf->error_ptr_hi = cpu_to_le32
+ ((u32)(address >> 32));
+ tmf->error_ptr_lo = cpu_to_le32
+ ((u32)(address & 0xffffffff));
+ tmf->error_length = cpu_to_le32(FW_ERROR_BUFFER_SIZE);
+ fib->hbacmd_size = sizeof(*tmf);
+
+ return HBA_IU_TYPE_SCSI_TM_REQ;
+}
+
+static u8 aac_eh_tmf_hard_reset_fib(struct aac_hba_map_info *info,
+ struct fib *fib)
+{
+ struct aac_hba_reset_req *rst;
+ u64 address;
+
+ /* already tried, start a hard reset now */
+ rst = (struct aac_hba_reset_req *)fib->hw_fib_va;
+ memset(rst, 0, sizeof(*rst));
+ rst->it_nexus = info->rmw_nexus;
+
+ address = (u64)fib->hw_error_pa;
+ rst->error_ptr_hi = cpu_to_le32((u32)(address >> 32));
+ rst->error_ptr_lo = cpu_to_le32
+ ((u32)(address & 0xffffffff));
+ rst->error_length = cpu_to_le32(FW_ERROR_BUFFER_SIZE);
+ fib->hbacmd_size = sizeof(*rst);
+
+ return HBA_IU_TYPE_SATA_REQ;
+}
+
+void aac_tmf_callback(void *context, struct fib *fibptr)
+{
+ struct aac_hba_resp *err =
+ &((struct aac_native_hba *)fibptr->hw_fib_va)->resp.err;
+ struct aac_hba_map_info *info = context;
+ int res;
+
+ switch (err->service_response) {
+ case HBA_RESP_SVCRES_TMF_REJECTED:
+ res = -1;
+ break;
+ case HBA_RESP_SVCRES_TMF_LUN_INVALID:
+ res = 0;
+ break;
+ case HBA_RESP_SVCRES_TMF_COMPLETE:
+ case HBA_RESP_SVCRES_TMF_SUCCEEDED:
+ res = 0;
+ break;
+ default:
+ res = -2;
+ break;
+ }
+ aac_fib_complete(fibptr);
+
+ info->reset_state = res;
+}
+
/*
- * aac_eh_reset - Reset command handling
+ * aac_eh_dev_reset - Device reset command handling
* @scsi_cmd: SCSI command block causing the reset
*
*/
-static int aac_eh_reset(struct scsi_cmnd* cmd)
+static int aac_eh_dev_reset(struct scsi_cmnd *cmd)
{
struct scsi_device * dev = cmd->device;
struct Scsi_Host * host = dev->host;
struct aac_dev * aac = (struct aac_dev *)host->hostdata;
+ struct aac_hba_map_info *info;
int count;
u32 bus, cid;
+ struct fib *fib;
int ret = FAILED;
- int status = 0;
- __le32 supported_options2 = 0;
- bool is_mu_reset;
- bool is_ignore_reset;
- bool is_doorbell_reset;
-
+ int status;
+ u8 command;
bus = aac_logical_to_phys(scmd_channel(cmd));
cid = scmd_id(cmd);
- if (bus < AAC_MAX_BUSES && cid < AAC_MAX_TARGETS &&
- aac->hba_map[bus][cid].devtype == AAC_DEVTYPE_NATIVE_RAW) {
- struct fib *fib;
- int status;
- u64 address;
- u8 command;
+ info = &aac->hba_map[bus][cid];
+ if (bus >= AAC_MAX_BUSES || cid >= AAC_MAX_TARGETS ||
+ info->devtype != AAC_DEVTYPE_NATIVE_RAW)
+ return FAILED;
- pr_err("%s: Host adapter reset request. SCSI hang ?\n",
- AAC_DRIVERNAME);
+ if (info->reset_state > 0)
+ return FAILED;
- fib = aac_fib_alloc(aac);
- if (!fib)
- return ret;
+ pr_err("%s: Host adapter reset request. SCSI hang ?\n",
+ AAC_DRIVERNAME);
+
+ fib = aac_fib_alloc(aac);
+ if (!fib)
+ return ret;
+
+ /* start a HBA_TMF_LUN_RESET TMF request */
+ command = aac_eh_tmf_lun_reset_fib(info, fib, dev->lun);
+ info->reset_state = 1;
- if (aac->hba_map[bus][cid].reset_state == 0) {
- struct aac_hba_tm_req *tmf;
-
- /* start a HBA_TMF_LUN_RESET TMF request */
- tmf = (struct aac_hba_tm_req *)fib->hw_fib_va;
- memset(tmf, 0, sizeof(*tmf));
- tmf->tmf = HBA_TMF_LUN_RESET;
- tmf->it_nexus = aac->hba_map[bus][cid].rmw_nexus;
- tmf->lun[1] = cmd->device->lun;
-
- address = (u64)fib->hw_error_pa;
- tmf->error_ptr_hi = cpu_to_le32
- ((u32)(address >> 32));
- tmf->error_ptr_lo = cpu_to_le32
- ((u32)(address & 0xffffffff));
- tmf->error_length = cpu_to_le32(FW_ERROR_BUFFER_SIZE);
- fib->hbacmd_size = sizeof(*tmf);
-
- command = HBA_IU_TYPE_SCSI_TM_REQ;
- aac->hba_map[bus][cid].reset_state++;
- } else if (aac->hba_map[bus][cid].reset_state >= 1) {
- struct aac_hba_reset_req *rst;
-
- /* already tried, start a hard reset now */
- rst = (struct aac_hba_reset_req *)fib->hw_fib_va;
- memset(rst, 0, sizeof(*rst));
- /* reset_type is already zero... */
- rst->it_nexus = aac->hba_map[bus][cid].rmw_nexus;
-
- address = (u64)fib->hw_error_pa;
- rst->error_ptr_hi = cpu_to_le32((u32)(address >> 32));
- rst->error_ptr_lo = cpu_to_le32
- ((u32)(address & 0xffffffff));
- rst->error_length = cpu_to_le32(FW_ERROR_BUFFER_SIZE);
- fib->hbacmd_size = sizeof(*rst);
-
- command = HBA_IU_TYPE_SATA_REQ;
- aac->hba_map[bus][cid].reset_state = 0;
+ status = aac_hba_send(command, fib,
+ (fib_callback) aac_tmf_callback,
+ (void *) info);
+
+ /* Wait up to 15 seconds for completion */
+ for (count = 0; count < 15; ++count) {
+ if (info->reset_state == 0) {
+ ret = info->reset_state == 0 ? SUCCESS : FAILED;
+ break;
}
- cmd->SCp.sent_command = 0;
+ msleep(1000);
+ }
- status = aac_hba_send(command, fib,
- (fib_callback) aac_hba_callback,
- (void *) cmd);
+ return ret;
+}
- /* Wait up to 15 seconds for completion */
- for (count = 0; count < 15; ++count) {
- if (cmd->SCp.sent_command) {
- ret = SUCCESS;
- break;
- }
- msleep(1000);
+/*
+ * aac_eh_target_reset - Target reset command handling
+ * @scsi_cmd: SCSI command block causing the reset
+ *
+ */
+static int aac_eh_target_reset(struct scsi_cmnd *cmd)
+{
+ struct scsi_device * dev = cmd->device;
+ struct Scsi_Host * host = dev->host;
+ struct aac_dev * aac = (struct aac_dev *)host->hostdata;
+ struct aac_hba_map_info *info;
+ int count;
+ u32 bus, cid;
+ int ret = FAILED;
+ struct fib *fib;
+ int status;
+ u8 command;
+
+ bus = aac_logical_to_phys(scmd_channel(cmd));
+ cid = scmd_id(cmd);
+ info = &aac->hba_map[bus][cid];
+ if (bus >= AAC_MAX_BUSES || cid >= AAC_MAX_TARGETS ||
+ info->devtype != AAC_DEVTYPE_NATIVE_RAW)
+ return FAILED;
+
+ if (info->reset_state > 0)
+ return FAILED;
+
+ pr_err("%s: Host adapter reset request. SCSI hang ?\n",
+ AAC_DRIVERNAME);
+
+ fib = aac_fib_alloc(aac);
+ if (!fib)
+ return ret;
+
+
+ /* already tried, start a hard reset now */
+ command = aac_eh_tmf_hard_reset_fib(info, fib);
+
+ info->reset_state = 2;
+
+ status = aac_hba_send(command, fib,
+ (fib_callback) aac_tmf_callback,
+ (void *) info);
+
+ /* Wait up to 15 seconds for completion */
+ for (count = 0; count < 15; ++count) {
+ if (info->reset_state <= 0) {
+ ret = info->reset_state == 0 ? SUCCESS : FAILED;
+ break;
}
+ msleep(1000);
+ }
- if (ret == SUCCESS)
- goto out;
+ return ret;
+}
- } else {
+/*
+ * aac_eh_bus_reset - Bus reset command handling
+ * @scsi_cmd: SCSI command block causing the reset
+ *
+ */
+static int aac_eh_bus_reset(struct scsi_cmnd* cmd)
+{
+ struct scsi_device * dev = cmd->device;
+ struct Scsi_Host * host = dev->host;
+ struct aac_dev * aac = (struct aac_dev *)host->hostdata;
+ int count;
+ u32 cmd_bus;
+ int status = 0;
- /* Mark the assoc. FIB to not complete, eh handler does this */
- for (count = 0;
- count < (host->can_queue + AAC_NUM_MGT_FIB);
- ++count) {
- struct fib *fib = &aac->fibs[count];
- if (fib->hw_fib_va->header.XferState &&
- (fib->flags & FIB_CONTEXT_FLAG) &&
- (fib->callback_data == cmd)) {
+ cmd_bus = aac_logical_to_phys(scmd_channel(cmd));
+ /* Mark the assoc. FIB to not complete, eh handler does this */
+ for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
+ struct fib *fib = &aac->fibs[count];
+
+ if (fib->hw_fib_va->header.XferState &&
+ (fib->flags & FIB_CONTEXT_FLAG) &&
+ (fib->flags & FIB_CONTEXT_FLAG_SCSI_CMD)) {
+ struct aac_hba_map_info *info;
+ u32 bus, cid;
+
+ cmd = (struct scsi_cmnd *)fib->callback_data;
+ bus = aac_logical_to_phys(scmd_channel(cmd));
+ if (bus != cmd_bus)
+ continue;
+ cid = scmd_id(cmd);
+ info = &aac->hba_map[bus][cid];
+ if (bus >= AAC_MAX_BUSES || cid >= AAC_MAX_TARGETS ||
+ info->devtype != AAC_DEVTYPE_NATIVE_RAW) {
fib->flags |= FIB_CONTEXT_FLAG_TIMED_OUT;
cmd->SCp.phase = AAC_OWNER_ERROR_HANDLER;
}
@@ -935,8 +1049,24 @@ static int aac_eh_reset(struct scsi_cmnd* cmd)
dev_err(&aac->pdev->dev, "Adapter health - %d\n", status);
count = get_num_of_incomplete_fibs(aac);
- if (count == 0)
- return SUCCESS;
+ return (count == 0) ? SUCCESS : FAILED;
+}
+
+/*
+ * aac_eh_host_reset - Host reset command handling
+ * @scsi_cmd: SCSI command block causing the reset
+ *
+ */
+int aac_eh_host_reset(struct scsi_cmnd *cmd)
+{
+ struct scsi_device * dev = cmd->device;
+ struct Scsi_Host * host = dev->host;
+ struct aac_dev * aac = (struct aac_dev *)host->hostdata;
+ int ret = FAILED;
+ __le32 supported_options2 = 0;
+ bool is_mu_reset;
+ bool is_ignore_reset;
+ bool is_doorbell_reset;
/*
* Check if reset is supported by the firmware
@@ -954,11 +1084,24 @@ static int aac_eh_reset(struct scsi_cmnd* cmd)
&& aac_check_reset
&& (aac_check_reset != -1 || !is_ignore_reset)) {
/* Bypass wait for command quiesce */
- aac_reset_adapter(aac, 2, IOP_HWSOFT_RESET);
+ if (aac_reset_adapter(aac, 2, IOP_HWSOFT_RESET) == 0)
+ ret = SUCCESS;
+ }
+ /*
+ * Reset EH state
+ */
+ if (ret == SUCCESS) {
+ int bus, cid;
+ struct aac_hba_map_info *info;
+
+ for (bus = 0; bus < AAC_MAX_BUSES; bus++) {
+ for (cid = 0; cid < AAC_MAX_TARGETS; cid++) {
+ info = &aac->hba_map[bus][cid];
+ if (info->devtype == AAC_DEVTYPE_NATIVE_RAW)
+ info->reset_state = 0;
+ }
+ }
}
- ret = SUCCESS;
-
-out:
return ret;
}
@@ -1382,7 +1525,10 @@ static struct scsi_host_template aac_driver_template = {
.change_queue_depth = aac_change_queue_depth,
.sdev_attrs = aac_dev_attrs,
.eh_abort_handler = aac_eh_abort,
- .eh_host_reset_handler = aac_eh_reset,
+ .eh_device_reset_handler = aac_eh_dev_reset,
+ .eh_target_reset_handler = aac_eh_target_reset,
+ .eh_bus_reset_handler = aac_eh_bus_reset,
+ .eh_host_reset_handler = aac_eh_host_reset,
.can_queue = AAC_NUM_IO_FIB,
.this_id = MAXIMUM_NUM_CONTAINERS,
.sg_tablesize = 16,
@@ -1457,7 +1603,7 @@ static int aac_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
/*
* Only series 7 needs freset.
*/
- if (pdev->device == PMC_DEVICE_S7)
+ if (pdev->device == PMC_DEVICE_S7)
pdev->needs_freset = 1;
list_for_each_entry(aac, &aac_devices, entry) {
diff --git a/drivers/scsi/aha152x.c b/drivers/scsi/aha152x.c
index ce5dc73d85bb..bc0058df31c6 100644
--- a/drivers/scsi/aha152x.c
+++ b/drivers/scsi/aha152x.c
@@ -1140,6 +1140,9 @@ static void free_hard_reset_SCs(struct Scsi_Host *shpnt, Scsi_Cmnd **SCs)
/*
* Reset the bus
*
+ * AIC-6260 has a hard reset (MRST signal), but apparently
+ * one cannot trigger it via software. So live with
+ * a soft reset; no-one seemed to have cared.
*/
static int aha152x_bus_reset_host(struct Scsi_Host *shpnt)
{
@@ -1223,15 +1226,6 @@ int aha152x_host_reset_host(struct Scsi_Host *shpnt)
}
/*
- * Reset the host (bus and controller)
- *
- */
-static int aha152x_host_reset(Scsi_Cmnd *SCpnt)
-{
- return aha152x_host_reset_host(SCpnt->device->host);
-}
-
-/*
* Return the "logical geometry"
*
*/
@@ -2917,7 +2911,6 @@ static struct scsi_host_template aha152x_driver_template = {
.eh_abort_handler = aha152x_abort,
.eh_device_reset_handler = aha152x_device_reset,
.eh_bus_reset_handler = aha152x_bus_reset,
- .eh_host_reset_handler = aha152x_host_reset,
.bios_param = aha152x_biosparam,
.can_queue = 1,
.this_id = 7,
diff --git a/drivers/scsi/aha1542.c b/drivers/scsi/aha1542.c
index a23cc9ac5acd..124217927c4a 100644
--- a/drivers/scsi/aha1542.c
+++ b/drivers/scsi/aha1542.c
@@ -986,7 +986,7 @@ static struct isa_driver aha1542_isa_driver = {
static int isa_registered;
#ifdef CONFIG_PNP
-static struct pnp_device_id aha1542_pnp_ids[] = {
+static const struct pnp_device_id aha1542_pnp_ids[] = {
{ .id = "ADP1542" },
{ .id = "" }
};
diff --git a/drivers/scsi/aic7xxx/Makefile b/drivers/scsi/aic7xxx/Makefile
index 07b60a780c06..b03ba0df7a83 100644
--- a/drivers/scsi/aic7xxx/Makefile
+++ b/drivers/scsi/aic7xxx/Makefile
@@ -59,7 +59,8 @@ $(obj)/aic7xxx_seq.h: $(src)/aic7xxx.seq $(src)/aic7xxx.reg $(obj)/aicasm/aicasm
$(aicasm-7xxx-opts-y) -o $(obj)/aic7xxx_seq.h \
$(srctree)/$(src)/aic7xxx.seq
-$(aic7xxx-gen-y): $(obj)/aic7xxx_seq.h
+$(aic7xxx-gen-y): $(objtree)/$(obj)/aic7xxx_seq.h
+ @true
else
$(obj)/aic7xxx_reg_print.c: $(src)/aic7xxx_reg_print.c_shipped
endif
@@ -76,7 +77,8 @@ $(obj)/aic79xx_seq.h: $(src)/aic79xx.seq $(src)/aic79xx.reg $(obj)/aicasm/aicasm
$(aicasm-79xx-opts-y) -o $(obj)/aic79xx_seq.h \
$(srctree)/$(src)/aic79xx.seq
-$(aic79xx-gen-y): $(obj)/aic79xx_seq.h
+$(aic79xx-gen-y): $(objtree)/$(obj)/aic79xx_seq.h
+ @true
else
$(obj)/aic79xx_reg_print.c: $(src)/aic79xx_reg_print.c_shipped
endif
diff --git a/drivers/scsi/aic7xxx/aic79xx_reg.h_shipped b/drivers/scsi/aic7xxx/aic79xx_reg.h_shipped
index cdcead071ef6..ddcd5a7701ac 100644
--- a/drivers/scsi/aic7xxx/aic79xx_reg.h_shipped
+++ b/drivers/scsi/aic7xxx/aic79xx_reg.h_shipped
@@ -13,13 +13,6 @@ typedef struct ahd_reg_parse_entry {
} ahd_reg_parse_entry_t;
#if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_mode_ptr_print;
-#else
-#define ahd_mode_ptr_print(regvalue, cur_col, wrap) \
- ahd_print_register(NULL, 0, "MODE_PTR", 0x00, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
ahd_reg_print_t ahd_intstat_print;
#else
#define ahd_intstat_print(regvalue, cur_col, wrap) \
@@ -27,27 +20,6 @@ ahd_reg_print_t ahd_intstat_print;
#endif
#if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_seqintcode_print;
-#else
-#define ahd_seqintcode_print(regvalue, cur_col, wrap) \
- ahd_print_register(NULL, 0, "SEQINTCODE", 0x02, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_error_print;
-#else
-#define ahd_error_print(regvalue, cur_col, wrap) \
- ahd_print_register(NULL, 0, "ERROR", 0x04, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_hescb_qoff_print;
-#else
-#define ahd_hescb_qoff_print(regvalue, cur_col, wrap) \
- ahd_print_register(NULL, 0, "HESCB_QOFF", 0x08, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
ahd_reg_print_t ahd_hs_mailbox_print;
#else
#define ahd_hs_mailbox_print(regvalue, cur_col, wrap) \
@@ -62,27 +34,6 @@ ahd_reg_print_t ahd_seqintstat_print;
#endif
#if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_clrseqintstat_print;
-#else
-#define ahd_clrseqintstat_print(regvalue, cur_col, wrap) \
- ahd_print_register(NULL, 0, "CLRSEQINTSTAT", 0x0c, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_swtimer_print;
-#else
-#define ahd_swtimer_print(regvalue, cur_col, wrap) \
- ahd_print_register(NULL, 0, "SWTIMER", 0x0e, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_sescb_qoff_print;
-#else
-#define ahd_sescb_qoff_print(regvalue, cur_col, wrap) \
- ahd_print_register(NULL, 0, "SESCB_QOFF", 0x12, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
ahd_reg_print_t ahd_intctl_print;
#else
#define ahd_intctl_print(regvalue, cur_col, wrap) \
@@ -111,111 +62,6 @@ ahd_reg_print_t ahd_sg_cache_shadow_print;
#endif
#if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_lqin_print;
-#else
-#define ahd_lqin_print(regvalue, cur_col, wrap) \
- ahd_print_register(NULL, 0, "LQIN", 0x20, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_lunptr_print;
-#else
-#define ahd_lunptr_print(regvalue, cur_col, wrap) \
- ahd_print_register(NULL, 0, "LUNPTR", 0x22, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_cmdlenptr_print;
-#else
-#define ahd_cmdlenptr_print(regvalue, cur_col, wrap) \
- ahd_print_register(NULL, 0, "CMDLENPTR", 0x25, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_attrptr_print;
-#else
-#define ahd_attrptr_print(regvalue, cur_col, wrap) \
- ahd_print_register(NULL, 0, "ATTRPTR", 0x26, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_flagptr_print;
-#else
-#define ahd_flagptr_print(regvalue, cur_col, wrap) \
- ahd_print_register(NULL, 0, "FLAGPTR", 0x27, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_cmdptr_print;
-#else
-#define ahd_cmdptr_print(regvalue, cur_col, wrap) \
- ahd_print_register(NULL, 0, "CMDPTR", 0x28, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_qnextptr_print;
-#else
-#define ahd_qnextptr_print(regvalue, cur_col, wrap) \
- ahd_print_register(NULL, 0, "QNEXTPTR", 0x29, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_abrtbyteptr_print;
-#else
-#define ahd_abrtbyteptr_print(regvalue, cur_col, wrap) \
- ahd_print_register(NULL, 0, "ABRTBYTEPTR", 0x2b, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_abrtbitptr_print;
-#else
-#define ahd_abrtbitptr_print(regvalue, cur_col, wrap) \
- ahd_print_register(NULL, 0, "ABRTBITPTR", 0x2c, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_lunlen_print;
-#else
-#define ahd_lunlen_print(regvalue, cur_col, wrap) \
- ahd_print_register(NULL, 0, "LUNLEN", 0x30, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_cdblimit_print;
-#else
-#define ahd_cdblimit_print(regvalue, cur_col, wrap) \
- ahd_print_register(NULL, 0, "CDBLIMIT", 0x31, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_maxcmd_print;
-#else
-#define ahd_maxcmd_print(regvalue, cur_col, wrap) \
- ahd_print_register(NULL, 0, "MAXCMD", 0x32, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_maxcmdcnt_print;
-#else
-#define ahd_maxcmdcnt_print(regvalue, cur_col, wrap) \
- ahd_print_register(NULL, 0, "MAXCMDCNT", 0x33, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_lqctl1_print;
-#else
-#define ahd_lqctl1_print(regvalue, cur_col, wrap) \
- ahd_print_register(NULL, 0, "LQCTL1", 0x38, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_lqctl2_print;
-#else
-#define ahd_lqctl2_print(regvalue, cur_col, wrap) \
- ahd_print_register(NULL, 0, "LQCTL2", 0x39, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
ahd_reg_print_t ahd_scsiseq0_print;
#else
#define ahd_scsiseq0_print(regvalue, cur_col, wrap) \
@@ -230,13 +76,6 @@ ahd_reg_print_t ahd_scsiseq1_print;
#endif
#if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_sxfrctl0_print;
-#else
-#define ahd_sxfrctl0_print(regvalue, cur_col, wrap) \
- ahd_print_register(NULL, 0, "SXFRCTL0", 0x3c, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
ahd_reg_print_t ahd_dffstat_print;
#else
#define ahd_dffstat_print(regvalue, cur_col, wrap) \
@@ -244,13 +83,6 @@ ahd_reg_print_t ahd_dffstat_print;
#endif
#if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_multargid_print;
-#else
-#define ahd_multargid_print(regvalue, cur_col, wrap) \
- ahd_print_register(NULL, 0, "MULTARGID", 0x40, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
ahd_reg_print_t ahd_scsisigi_print;
#else
#define ahd_scsisigi_print(regvalue, cur_col, wrap) \
@@ -265,13 +97,6 @@ ahd_reg_print_t ahd_scsiphase_print;
#endif
#if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_scsidat_print;
-#else
-#define ahd_scsidat_print(regvalue, cur_col, wrap) \
- ahd_print_register(NULL, 0, "SCSIDAT", 0x44, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
ahd_reg_print_t ahd_scsibus_print;
#else
#define ahd_scsibus_print(regvalue, cur_col, wrap) \
@@ -279,13 +104,6 @@ ahd_reg_print_t ahd_scsibus_print;
#endif
#if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_targidin_print;
-#else
-#define ahd_targidin_print(regvalue, cur_col, wrap) \
- ahd_print_register(NULL, 0, "TARGIDIN", 0x48, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
ahd_reg_print_t ahd_selid_print;
#else
#define ahd_selid_print(regvalue, cur_col, wrap) \
@@ -293,10 +111,10 @@ ahd_reg_print_t ahd_selid_print;
#endif
#if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_sblkctl_print;
+ahd_reg_print_t ahd_simode0_print;
#else
-#define ahd_sblkctl_print(regvalue, cur_col, wrap) \
- ahd_print_register(NULL, 0, "SBLKCTL", 0x4a, regvalue, cur_col, wrap)
+#define ahd_simode0_print(regvalue, cur_col, wrap) \
+ ahd_print_register(NULL, 0, "SIMODE0", 0x4b, regvalue, cur_col, wrap)
#endif
#if AIC_DEBUG_REGISTERS
@@ -307,13 +125,6 @@ ahd_reg_print_t ahd_sstat0_print;
#endif
#if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_simode0_print;
-#else
-#define ahd_simode0_print(regvalue, cur_col, wrap) \
- ahd_print_register(NULL, 0, "SIMODE0", 0x4b, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
ahd_reg_print_t ahd_sstat1_print;
#else
#define ahd_sstat1_print(regvalue, cur_col, wrap) \
@@ -328,13 +139,6 @@ ahd_reg_print_t ahd_sstat2_print;
#endif
#if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_clrsint2_print;
-#else
-#define ahd_clrsint2_print(regvalue, cur_col, wrap) \
- ahd_print_register(NULL, 0, "CLRSINT2", 0x4d, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
ahd_reg_print_t ahd_perrdiag_print;
#else
#define ahd_perrdiag_print(regvalue, cur_col, wrap) \
@@ -342,13 +146,6 @@ ahd_reg_print_t ahd_perrdiag_print;
#endif
#if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_lqistate_print;
-#else
-#define ahd_lqistate_print(regvalue, cur_col, wrap) \
- ahd_print_register(NULL, 0, "LQISTATE", 0x4e, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
ahd_reg_print_t ahd_soffcnt_print;
#else
#define ahd_soffcnt_print(regvalue, cur_col, wrap) \
@@ -356,13 +153,6 @@ ahd_reg_print_t ahd_soffcnt_print;
#endif
#if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_lqostate_print;
-#else
-#define ahd_lqostate_print(regvalue, cur_col, wrap) \
- ahd_print_register(NULL, 0, "LQOSTATE", 0x4f, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
ahd_reg_print_t ahd_lqistat0_print;
#else
#define ahd_lqistat0_print(regvalue, cur_col, wrap) \
@@ -370,27 +160,6 @@ ahd_reg_print_t ahd_lqistat0_print;
#endif
#if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_clrlqiint0_print;
-#else
-#define ahd_clrlqiint0_print(regvalue, cur_col, wrap) \
- ahd_print_register(NULL, 0, "CLRLQIINT0", 0x50, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_lqimode0_print;
-#else
-#define ahd_lqimode0_print(regvalue, cur_col, wrap) \
- ahd_print_register(NULL, 0, "LQIMODE0", 0x50, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_lqimode1_print;
-#else
-#define ahd_lqimode1_print(regvalue, cur_col, wrap) \
- ahd_print_register(NULL, 0, "LQIMODE1", 0x51, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
ahd_reg_print_t ahd_lqistat1_print;
#else
#define ahd_lqistat1_print(regvalue, cur_col, wrap) \
@@ -398,13 +167,6 @@ ahd_reg_print_t ahd_lqistat1_print;
#endif
#if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_clrlqiint1_print;
-#else
-#define ahd_clrlqiint1_print(regvalue, cur_col, wrap) \
- ahd_print_register(NULL, 0, "CLRLQIINT1", 0x51, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
ahd_reg_print_t ahd_lqistat2_print;
#else
#define ahd_lqistat2_print(regvalue, cur_col, wrap) \
@@ -419,20 +181,6 @@ ahd_reg_print_t ahd_sstat3_print;
#endif
#if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_simode3_print;
-#else
-#define ahd_simode3_print(regvalue, cur_col, wrap) \
- ahd_print_register(NULL, 0, "SIMODE3", 0x53, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_clrsint3_print;
-#else
-#define ahd_clrsint3_print(regvalue, cur_col, wrap) \
- ahd_print_register(NULL, 0, "CLRSINT3", 0x53, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
ahd_reg_print_t ahd_lqostat0_print;
#else
#define ahd_lqostat0_print(regvalue, cur_col, wrap) \
@@ -440,27 +188,6 @@ ahd_reg_print_t ahd_lqostat0_print;
#endif
#if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_clrlqoint0_print;
-#else
-#define ahd_clrlqoint0_print(regvalue, cur_col, wrap) \
- ahd_print_register(NULL, 0, "CLRLQOINT0", 0x54, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_lqomode0_print;
-#else
-#define ahd_lqomode0_print(regvalue, cur_col, wrap) \
- ahd_print_register(NULL, 0, "LQOMODE0", 0x54, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_lqomode1_print;
-#else
-#define ahd_lqomode1_print(regvalue, cur_col, wrap) \
- ahd_print_register(NULL, 0, "LQOMODE1", 0x55, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
ahd_reg_print_t ahd_lqostat1_print;
#else
#define ahd_lqostat1_print(regvalue, cur_col, wrap) \
@@ -468,13 +195,6 @@ ahd_reg_print_t ahd_lqostat1_print;
#endif
#if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_clrlqoint1_print;
-#else
-#define ahd_clrlqoint1_print(regvalue, cur_col, wrap) \
- ahd_print_register(NULL, 0, "CLRLQOINT1", 0x55, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
ahd_reg_print_t ahd_lqostat2_print;
#else
#define ahd_lqostat2_print(regvalue, cur_col, wrap) \
@@ -482,13 +202,6 @@ ahd_reg_print_t ahd_lqostat2_print;
#endif
#if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_os_space_cnt_print;
-#else
-#define ahd_os_space_cnt_print(regvalue, cur_col, wrap) \
- ahd_print_register(NULL, 0, "OS_SPACE_CNT", 0x56, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
ahd_reg_print_t ahd_simode1_print;
#else
#define ahd_simode1_print(regvalue, cur_col, wrap) \
@@ -496,13 +209,6 @@ ahd_reg_print_t ahd_simode1_print;
#endif
#if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_gsfifo_print;
-#else
-#define ahd_gsfifo_print(regvalue, cur_col, wrap) \
- ahd_print_register(NULL, 0, "GSFIFO", 0x58, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
ahd_reg_print_t ahd_dffsxfrctl_print;
#else
#define ahd_dffsxfrctl_print(regvalue, cur_col, wrap) \
@@ -510,27 +216,6 @@ ahd_reg_print_t ahd_dffsxfrctl_print;
#endif
#if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_lqoscsctl_print;
-#else
-#define ahd_lqoscsctl_print(regvalue, cur_col, wrap) \
- ahd_print_register(NULL, 0, "LQOSCSCTL", 0x5a, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_nextscb_print;
-#else
-#define ahd_nextscb_print(regvalue, cur_col, wrap) \
- ahd_print_register(NULL, 0, "NEXTSCB", 0x5a, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_clrseqintsrc_print;
-#else
-#define ahd_clrseqintsrc_print(regvalue, cur_col, wrap) \
- ahd_print_register(NULL, 0, "CLRSEQINTSRC", 0x5b, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
ahd_reg_print_t ahd_seqintsrc_print;
#else
#define ahd_seqintsrc_print(regvalue, cur_col, wrap) \
@@ -538,13 +223,6 @@ ahd_reg_print_t ahd_seqintsrc_print;
#endif
#if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_currscb_print;
-#else
-#define ahd_currscb_print(regvalue, cur_col, wrap) \
- ahd_print_register(NULL, 0, "CURRSCB", 0x5c, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
ahd_reg_print_t ahd_seqimode_print;
#else
#define ahd_seqimode_print(regvalue, cur_col, wrap) \
@@ -559,90 +237,6 @@ ahd_reg_print_t ahd_mdffstat_print;
#endif
#if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_lastscb_print;
-#else
-#define ahd_lastscb_print(regvalue, cur_col, wrap) \
- ahd_print_register(NULL, 0, "LASTSCB", 0x5e, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_negoaddr_print;
-#else
-#define ahd_negoaddr_print(regvalue, cur_col, wrap) \
- ahd_print_register(NULL, 0, "NEGOADDR", 0x60, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_negperiod_print;
-#else
-#define ahd_negperiod_print(regvalue, cur_col, wrap) \
- ahd_print_register(NULL, 0, "NEGPERIOD", 0x61, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_negoffset_print;
-#else
-#define ahd_negoffset_print(regvalue, cur_col, wrap) \
- ahd_print_register(NULL, 0, "NEGOFFSET", 0x62, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_negppropts_print;
-#else
-#define ahd_negppropts_print(regvalue, cur_col, wrap) \
- ahd_print_register(NULL, 0, "NEGPPROPTS", 0x63, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_negconopts_print;
-#else
-#define ahd_negconopts_print(regvalue, cur_col, wrap) \
- ahd_print_register(NULL, 0, "NEGCONOPTS", 0x64, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_annexcol_print;
-#else
-#define ahd_annexcol_print(regvalue, cur_col, wrap) \
- ahd_print_register(NULL, 0, "ANNEXCOL", 0x65, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_annexdat_print;
-#else
-#define ahd_annexdat_print(regvalue, cur_col, wrap) \
- ahd_print_register(NULL, 0, "ANNEXDAT", 0x66, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_scschkn_print;
-#else
-#define ahd_scschkn_print(regvalue, cur_col, wrap) \
- ahd_print_register(NULL, 0, "SCSCHKN", 0x66, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_iownid_print;
-#else
-#define ahd_iownid_print(regvalue, cur_col, wrap) \
- ahd_print_register(NULL, 0, "IOWNID", 0x67, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_shcnt_print;
-#else
-#define ahd_shcnt_print(regvalue, cur_col, wrap) \
- ahd_print_register(NULL, 0, "SHCNT", 0x68, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_townid_print;
-#else
-#define ahd_townid_print(regvalue, cur_col, wrap) \
- ahd_print_register(NULL, 0, "TOWNID", 0x69, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
ahd_reg_print_t ahd_seloid_print;
#else
#define ahd_seloid_print(regvalue, cur_col, wrap) \
@@ -650,90 +244,6 @@ ahd_reg_print_t ahd_seloid_print;
#endif
#if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_scbhaddr_print;
-#else
-#define ahd_scbhaddr_print(regvalue, cur_col, wrap) \
- ahd_print_register(NULL, 0, "SCBHADDR", 0x7c, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_sghaddr_print;
-#else
-#define ahd_sghaddr_print(regvalue, cur_col, wrap) \
- ahd_print_register(NULL, 0, "SGHADDR", 0x7c, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_scbhcnt_print;
-#else
-#define ahd_scbhcnt_print(regvalue, cur_col, wrap) \
- ahd_print_register(NULL, 0, "SCBHCNT", 0x84, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_sghcnt_print;
-#else
-#define ahd_sghcnt_print(regvalue, cur_col, wrap) \
- ahd_print_register(NULL, 0, "SGHCNT", 0x84, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_pcixctl_print;
-#else
-#define ahd_pcixctl_print(regvalue, cur_col, wrap) \
- ahd_print_register(NULL, 0, "PCIXCTL", 0x93, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_dchspltstat0_print;
-#else
-#define ahd_dchspltstat0_print(regvalue, cur_col, wrap) \
- ahd_print_register(NULL, 0, "DCHSPLTSTAT0", 0x96, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_dchspltstat1_print;
-#else
-#define ahd_dchspltstat1_print(regvalue, cur_col, wrap) \
- ahd_print_register(NULL, 0, "DCHSPLTSTAT1", 0x97, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_sgspltstat0_print;
-#else
-#define ahd_sgspltstat0_print(regvalue, cur_col, wrap) \
- ahd_print_register(NULL, 0, "SGSPLTSTAT0", 0x9e, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_sgspltstat1_print;
-#else
-#define ahd_sgspltstat1_print(regvalue, cur_col, wrap) \
- ahd_print_register(NULL, 0, "SGSPLTSTAT1", 0x9f, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_df0pcistat_print;
-#else
-#define ahd_df0pcistat_print(regvalue, cur_col, wrap) \
- ahd_print_register(NULL, 0, "DF0PCISTAT", 0xa0, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_reg0_print;
-#else
-#define ahd_reg0_print(regvalue, cur_col, wrap) \
- ahd_print_register(NULL, 0, "REG0", 0xa0, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_reg_isr_print;
-#else
-#define ahd_reg_isr_print(regvalue, cur_col, wrap) \
- ahd_print_register(NULL, 0, "REG_ISR", 0xa4, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
ahd_reg_print_t ahd_sg_state_print;
#else
#define ahd_sg_state_print(regvalue, cur_col, wrap) \
@@ -741,27 +251,6 @@ ahd_reg_print_t ahd_sg_state_print;
#endif
#if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_targpcistat_print;
-#else
-#define ahd_targpcistat_print(regvalue, cur_col, wrap) \
- ahd_print_register(NULL, 0, "TARGPCISTAT", 0xa7, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_scbautoptr_print;
-#else
-#define ahd_scbautoptr_print(regvalue, cur_col, wrap) \
- ahd_print_register(NULL, 0, "SCBAUTOPTR", 0xab, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_ccscbaddr_print;
-#else
-#define ahd_ccscbaddr_print(regvalue, cur_col, wrap) \
- ahd_print_register(NULL, 0, "CCSCBADDR", 0xac, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
ahd_reg_print_t ahd_ccscbctl_print;
#else
#define ahd_ccscbctl_print(regvalue, cur_col, wrap) \
@@ -776,69 +265,6 @@ ahd_reg_print_t ahd_ccsgctl_print;
#endif
#if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_ccscbram_print;
-#else
-#define ahd_ccscbram_print(regvalue, cur_col, wrap) \
- ahd_print_register(NULL, 0, "CCSCBRAM", 0xb0, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_brddat_print;
-#else
-#define ahd_brddat_print(regvalue, cur_col, wrap) \
- ahd_print_register(NULL, 0, "BRDDAT", 0xb8, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_seeadr_print;
-#else
-#define ahd_seeadr_print(regvalue, cur_col, wrap) \
- ahd_print_register(NULL, 0, "SEEADR", 0xba, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_seedat_print;
-#else
-#define ahd_seedat_print(regvalue, cur_col, wrap) \
- ahd_print_register(NULL, 0, "SEEDAT", 0xbc, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_seectl_print;
-#else
-#define ahd_seectl_print(regvalue, cur_col, wrap) \
- ahd_print_register(NULL, 0, "SEECTL", 0xbe, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_seestat_print;
-#else
-#define ahd_seestat_print(regvalue, cur_col, wrap) \
- ahd_print_register(NULL, 0, "SEESTAT", 0xbe, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_dspdatactl_print;
-#else
-#define ahd_dspdatactl_print(regvalue, cur_col, wrap) \
- ahd_print_register(NULL, 0, "DSPDATACTL", 0xc1, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_dspselect_print;
-#else
-#define ahd_dspselect_print(regvalue, cur_col, wrap) \
- ahd_print_register(NULL, 0, "DSPSELECT", 0xc4, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_wrtbiasctl_print;
-#else
-#define ahd_wrtbiasctl_print(regvalue, cur_col, wrap) \
- ahd_print_register(NULL, 0, "WRTBIASCTL", 0xc5, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
ahd_reg_print_t ahd_seqctl0_print;
#else
#define ahd_seqctl0_print(regvalue, cur_col, wrap) \
@@ -853,62 +279,6 @@ ahd_reg_print_t ahd_seqintctl_print;
#endif
#if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_prgmcnt_print;
-#else
-#define ahd_prgmcnt_print(regvalue, cur_col, wrap) \
- ahd_print_register(NULL, 0, "PRGMCNT", 0xde, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_none_print;
-#else
-#define ahd_none_print(regvalue, cur_col, wrap) \
- ahd_print_register(NULL, 0, "NONE", 0xea, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_intvec1_addr_print;
-#else
-#define ahd_intvec1_addr_print(regvalue, cur_col, wrap) \
- ahd_print_register(NULL, 0, "INTVEC1_ADDR", 0xf4, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_curaddr_print;
-#else
-#define ahd_curaddr_print(regvalue, cur_col, wrap) \
- ahd_print_register(NULL, 0, "CURADDR", 0xf4, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_intvec2_addr_print;
-#else
-#define ahd_intvec2_addr_print(regvalue, cur_col, wrap) \
- ahd_print_register(NULL, 0, "INTVEC2_ADDR", 0xf6, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_longjmp_addr_print;
-#else
-#define ahd_longjmp_addr_print(regvalue, cur_col, wrap) \
- ahd_print_register(NULL, 0, "LONGJMP_ADDR", 0xf8, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_accum_save_print;
-#else
-#define ahd_accum_save_print(regvalue, cur_col, wrap) \
- ahd_print_register(NULL, 0, "ACCUM_SAVE", 0xfa, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_waiting_scb_tails_print;
-#else
-#define ahd_waiting_scb_tails_print(regvalue, cur_col, wrap) \
- ahd_print_register(NULL, 0, "WAITING_SCB_TAILS", 0x100, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
ahd_reg_print_t ahd_sram_base_print;
#else
#define ahd_sram_base_print(regvalue, cur_col, wrap) \
@@ -916,62 +286,6 @@ ahd_reg_print_t ahd_sram_base_print;
#endif
#if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_waiting_tid_head_print;
-#else
-#define ahd_waiting_tid_head_print(regvalue, cur_col, wrap) \
- ahd_print_register(NULL, 0, "WAITING_TID_HEAD", 0x120, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_waiting_tid_tail_print;
-#else
-#define ahd_waiting_tid_tail_print(regvalue, cur_col, wrap) \
- ahd_print_register(NULL, 0, "WAITING_TID_TAIL", 0x122, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_next_queued_scb_addr_print;
-#else
-#define ahd_next_queued_scb_addr_print(regvalue, cur_col, wrap) \
- ahd_print_register(NULL, 0, "NEXT_QUEUED_SCB_ADDR", 0x124, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_complete_scb_head_print;
-#else
-#define ahd_complete_scb_head_print(regvalue, cur_col, wrap) \
- ahd_print_register(NULL, 0, "COMPLETE_SCB_HEAD", 0x128, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_complete_scb_dmainprog_head_print;
-#else
-#define ahd_complete_scb_dmainprog_head_print(regvalue, cur_col, wrap) \
- ahd_print_register(NULL, 0, "COMPLETE_SCB_DMAINPROG_HEAD", 0x12a, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_complete_dma_scb_head_print;
-#else
-#define ahd_complete_dma_scb_head_print(regvalue, cur_col, wrap) \
- ahd_print_register(NULL, 0, "COMPLETE_DMA_SCB_HEAD", 0x12c, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_complete_dma_scb_tail_print;
-#else
-#define ahd_complete_dma_scb_tail_print(regvalue, cur_col, wrap) \
- ahd_print_register(NULL, 0, "COMPLETE_DMA_SCB_TAIL", 0x12e, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_complete_on_qfreeze_head_print;
-#else
-#define ahd_complete_on_qfreeze_head_print(regvalue, cur_col, wrap) \
- ahd_print_register(NULL, 0, "COMPLETE_ON_QFREEZE_HEAD", 0x130, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
ahd_reg_print_t ahd_qfreeze_count_print;
#else
#define ahd_qfreeze_count_print(regvalue, cur_col, wrap) \
@@ -993,13 +307,6 @@ ahd_reg_print_t ahd_saved_mode_print;
#endif
#if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_msg_out_print;
-#else
-#define ahd_msg_out_print(regvalue, cur_col, wrap) \
- ahd_print_register(NULL, 0, "MSG_OUT", 0x137, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
ahd_reg_print_t ahd_seq_flags_print;
#else
#define ahd_seq_flags_print(regvalue, cur_col, wrap) \
@@ -1014,48 +321,6 @@ ahd_reg_print_t ahd_lastphase_print;
#endif
#if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_qoutfifo_entry_valid_tag_print;
-#else
-#define ahd_qoutfifo_entry_valid_tag_print(regvalue, cur_col, wrap) \
- ahd_print_register(NULL, 0, "QOUTFIFO_ENTRY_VALID_TAG", 0x13d, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_kernel_tqinpos_print;
-#else
-#define ahd_kernel_tqinpos_print(regvalue, cur_col, wrap) \
- ahd_print_register(NULL, 0, "KERNEL_TQINPOS", 0x13e, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_qoutfifo_next_addr_print;
-#else
-#define ahd_qoutfifo_next_addr_print(regvalue, cur_col, wrap) \
- ahd_print_register(NULL, 0, "QOUTFIFO_NEXT_ADDR", 0x144, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_last_msg_print;
-#else
-#define ahd_last_msg_print(regvalue, cur_col, wrap) \
- ahd_print_register(NULL, 0, "LAST_MSG", 0x14a, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_scsiseq_template_print;
-#else
-#define ahd_scsiseq_template_print(regvalue, cur_col, wrap) \
- ahd_print_register(NULL, 0, "SCSISEQ_TEMPLATE", 0x14b, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_initiator_tag_print;
-#else
-#define ahd_initiator_tag_print(regvalue, cur_col, wrap) \
- ahd_print_register(NULL, 0, "INITIATOR_TAG", 0x14c, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
ahd_reg_print_t ahd_seq_flags2_print;
#else
#define ahd_seq_flags2_print(regvalue, cur_col, wrap) \
@@ -1063,62 +328,6 @@ ahd_reg_print_t ahd_seq_flags2_print;
#endif
#if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_allocfifo_scbptr_print;
-#else
-#define ahd_allocfifo_scbptr_print(regvalue, cur_col, wrap) \
- ahd_print_register(NULL, 0, "ALLOCFIFO_SCBPTR", 0x14e, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_int_coalescing_timer_print;
-#else
-#define ahd_int_coalescing_timer_print(regvalue, cur_col, wrap) \
- ahd_print_register(NULL, 0, "INT_COALESCING_TIMER", 0x150, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_int_coalescing_maxcmds_print;
-#else
-#define ahd_int_coalescing_maxcmds_print(regvalue, cur_col, wrap) \
- ahd_print_register(NULL, 0, "INT_COALESCING_MAXCMDS", 0x152, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_int_coalescing_mincmds_print;
-#else
-#define ahd_int_coalescing_mincmds_print(regvalue, cur_col, wrap) \
- ahd_print_register(NULL, 0, "INT_COALESCING_MINCMDS", 0x153, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_cmds_pending_print;
-#else
-#define ahd_cmds_pending_print(regvalue, cur_col, wrap) \
- ahd_print_register(NULL, 0, "CMDS_PENDING", 0x154, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_int_coalescing_cmdcount_print;
-#else
-#define ahd_int_coalescing_cmdcount_print(regvalue, cur_col, wrap) \
- ahd_print_register(NULL, 0, "INT_COALESCING_CMDCOUNT", 0x156, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_local_hs_mailbox_print;
-#else
-#define ahd_local_hs_mailbox_print(regvalue, cur_col, wrap) \
- ahd_print_register(NULL, 0, "LOCAL_HS_MAILBOX", 0x157, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_cmdsize_table_print;
-#else
-#define ahd_cmdsize_table_print(regvalue, cur_col, wrap) \
- ahd_print_register(NULL, 0, "CMDSIZE_TABLE", 0x158, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
ahd_reg_print_t ahd_mk_message_scb_print;
#else
#define ahd_mk_message_scb_print(regvalue, cur_col, wrap) \
@@ -1140,27 +349,6 @@ ahd_reg_print_t ahd_scb_base_print;
#endif
#if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_scb_residual_datacnt_print;
-#else
-#define ahd_scb_residual_datacnt_print(regvalue, cur_col, wrap) \
- ahd_print_register(NULL, 0, "SCB_RESIDUAL_DATACNT", 0x180, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_scb_sense_busaddr_print;
-#else
-#define ahd_scb_sense_busaddr_print(regvalue, cur_col, wrap) \
- ahd_print_register(NULL, 0, "SCB_SENSE_BUSADDR", 0x18c, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_scb_tag_print;
-#else
-#define ahd_scb_tag_print(regvalue, cur_col, wrap) \
- ahd_print_register(NULL, 0, "SCB_TAG", 0x190, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
ahd_reg_print_t ahd_scb_control_print;
#else
#define ahd_scb_control_print(regvalue, cur_col, wrap) \
@@ -1174,69 +362,6 @@ ahd_reg_print_t ahd_scb_scsiid_print;
ahd_print_register(NULL, 0, "SCB_SCSIID", 0x193, regvalue, cur_col, wrap)
#endif
-#if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_scb_lun_print;
-#else
-#define ahd_scb_lun_print(regvalue, cur_col, wrap) \
- ahd_print_register(NULL, 0, "SCB_LUN", 0x194, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_scb_task_attribute_print;
-#else
-#define ahd_scb_task_attribute_print(regvalue, cur_col, wrap) \
- ahd_print_register(NULL, 0, "SCB_TASK_ATTRIBUTE", 0x195, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_scb_task_management_print;
-#else
-#define ahd_scb_task_management_print(regvalue, cur_col, wrap) \
- ahd_print_register(NULL, 0, "SCB_TASK_MANAGEMENT", 0x197, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_scb_dataptr_print;
-#else
-#define ahd_scb_dataptr_print(regvalue, cur_col, wrap) \
- ahd_print_register(NULL, 0, "SCB_DATAPTR", 0x198, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_scb_datacnt_print;
-#else
-#define ahd_scb_datacnt_print(regvalue, cur_col, wrap) \
- ahd_print_register(NULL, 0, "SCB_DATACNT", 0x1a0, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_scb_sgptr_print;
-#else
-#define ahd_scb_sgptr_print(regvalue, cur_col, wrap) \
- ahd_print_register(NULL, 0, "SCB_SGPTR", 0x1a4, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_scb_busaddr_print;
-#else
-#define ahd_scb_busaddr_print(regvalue, cur_col, wrap) \
- ahd_print_register(NULL, 0, "SCB_BUSADDR", 0x1a8, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_scb_next2_print;
-#else
-#define ahd_scb_next2_print(regvalue, cur_col, wrap) \
- ahd_print_register(NULL, 0, "SCB_NEXT2", 0x1ae, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_scb_disconnected_lists_print;
-#else
-#define ahd_scb_disconnected_lists_print(regvalue, cur_col, wrap) \
- ahd_print_register(NULL, 0, "SCB_DISCONNECTED_LISTS", 0x1b8, regvalue, cur_col, wrap)
-#endif
-
#define MODE_PTR 0x00
#define DST_MODE 0x70
@@ -1292,15 +417,6 @@ ahd_reg_print_t ahd_scb_disconnected_lists_print;
#define CLRCMDINT 0x02
#define CLRSPLTINT 0x01
-#define ERROR 0x04
-#define CIOPARERR 0x80
-#define CIOACCESFAIL 0x40
-#define MPARERR 0x20
-#define DPARERR 0x10
-#define SQPARERR 0x08
-#define ILLOPCODE 0x04
-#define DSCTMOUT 0x02
-
#define CLRERR 0x04
#define CLRCIOPARERR 0x80
#define CLRCIOACCESFAIL 0x40
@@ -1310,6 +426,15 @@ ahd_reg_print_t ahd_scb_disconnected_lists_print;
#define CLRILLOPCODE 0x04
#define CLRDSCTMOUT 0x02
+#define ERROR 0x04
+#define CIOPARERR 0x80
+#define CIOACCESFAIL 0x40
+#define MPARERR 0x20
+#define DPARERR 0x10
+#define SQPARERR 0x08
+#define ILLOPCODE 0x04
+#define DSCTMOUT 0x02
+
#define HCNTRL 0x05
#define SEQ_RESET 0x80
#define POWRDN 0x40
@@ -1404,22 +529,22 @@ ahd_reg_print_t ahd_scb_disconnected_lists_print;
#define FIFOFULL 0x02
#define FIFOEMP 0x01
-#define SG_CACHE_SHADOW 0x1b
-#define ODD_SEG 0x04
-#define LAST_SEG 0x02
-#define LAST_SEG_DONE 0x01
-
#define ARBCTL 0x1b
#define RESET_HARB 0x80
#define RETRY_SWEN 0x08
#define USE_TIME 0x07
-#define SG_CACHE_PRE 0x1b
+#define SG_CACHE_SHADOW 0x1b
+#define ODD_SEG 0x04
+#define LAST_SEG 0x02
+#define LAST_SEG_DONE 0x01
-#define LQIN 0x20
+#define SG_CACHE_PRE 0x1b
#define TYPEPTR 0x20
+#define LQIN 0x20
+
#define TAGPTR 0x21
#define LUNPTR 0x22
@@ -1479,14 +604,6 @@ ahd_reg_print_t ahd_scb_disconnected_lists_print;
#define SINGLECMD 0x02
#define ABORTPENDING 0x01
-#define SCSBIST0 0x39
-#define GSBISTERR 0x40
-#define GSBISTDONE 0x20
-#define GSBISTRUN 0x10
-#define OSBISTERR 0x04
-#define OSBISTDONE 0x02
-#define OSBISTRUN 0x01
-
#define LQCTL2 0x39
#define LQIRETRY 0x80
#define LQICONTINUE 0x40
@@ -1497,10 +614,13 @@ ahd_reg_print_t ahd_scb_disconnected_lists_print;
#define LQOTOIDLE 0x02
#define LQOPAUSE 0x01
-#define SCSBIST1 0x3a
-#define NTBISTERR 0x04
-#define NTBISTDONE 0x02
-#define NTBISTRUN 0x01
+#define SCSBIST0 0x39
+#define GSBISTERR 0x40
+#define GSBISTDONE 0x20
+#define GSBISTRUN 0x10
+#define OSBISTERR 0x04
+#define OSBISTDONE 0x02
+#define OSBISTRUN 0x01
#define SCSISEQ0 0x3a
#define TEMODEO 0x80
@@ -1509,8 +629,15 @@ ahd_reg_print_t ahd_scb_disconnected_lists_print;
#define FORCEBUSFREE 0x10
#define SCSIRSTO 0x01
+#define SCSBIST1 0x3a
+#define NTBISTERR 0x04
+#define NTBISTDONE 0x02
+#define NTBISTRUN 0x01
+
#define SCSISEQ1 0x3b
+#define BUSINITID 0x3c
+
#define SXFRCTL0 0x3c
#define DFON 0x80
#define DFPEXP 0x40
@@ -1519,8 +646,6 @@ ahd_reg_print_t ahd_scb_disconnected_lists_print;
#define DLCOUNT 0x3c
-#define BUSINITID 0x3c
-
#define SXFRCTL1 0x3d
#define BITBUCKET 0x80
#define ENSACHK 0x40
@@ -1545,6 +670,8 @@ ahd_reg_print_t ahd_scb_disconnected_lists_print;
#define CURRFIFO_1 0x01
#define CURRFIFO_0 0x00
+#define MULTARGID 0x40
+
#define SCSISIGO 0x40
#define CDO 0x80
#define IOO 0x40
@@ -1555,8 +682,6 @@ ahd_reg_print_t ahd_scb_disconnected_lists_print;
#define REQO 0x02
#define ACKO 0x01
-#define MULTARGID 0x40
-
#define SCSISIGI 0x41
#define ATNI 0x10
#define SELI 0x08
@@ -1603,14 +728,14 @@ ahd_reg_print_t ahd_scb_disconnected_lists_print;
#define ENAB20 0x04
#define SELWIDE 0x02
-#define CLRSINT0 0x4b
-#define CLRSELDO 0x40
-#define CLRSELDI 0x20
-#define CLRSELINGO 0x10
-#define CLRIOERR 0x08
-#define CLROVERRUN 0x04
-#define CLRSPIORDY 0x02
-#define CLRARBDO 0x01
+#define SIMODE0 0x4b
+#define ENSELDO 0x40
+#define ENSELDI 0x20
+#define ENSELINGO 0x10
+#define ENIOERR 0x08
+#define ENOVERRUN 0x04
+#define ENSPIORDY 0x02
+#define ENARBDO 0x01
#define SSTAT0 0x4b
#define TARGET 0x80
@@ -1622,23 +747,14 @@ ahd_reg_print_t ahd_scb_disconnected_lists_print;
#define SPIORDY 0x02
#define ARBDO 0x01
-#define SIMODE0 0x4b
-#define ENSELDO 0x40
-#define ENSELDI 0x20
-#define ENSELINGO 0x10
-#define ENIOERR 0x08
-#define ENOVERRUN 0x04
-#define ENSPIORDY 0x02
-#define ENARBDO 0x01
-
-#define CLRSINT1 0x4c
-#define CLRSELTIMEO 0x80
-#define CLRATNO 0x40
-#define CLRSCSIRSTI 0x20
-#define CLRBUSFREE 0x08
-#define CLRSCSIPERR 0x04
-#define CLRSTRB2FAST 0x02
-#define CLRREQINIT 0x01
+#define CLRSINT0 0x4b
+#define CLRSELDO 0x40
+#define CLRSELDI 0x20
+#define CLRSELINGO 0x10
+#define CLRIOERR 0x08
+#define CLROVERRUN 0x04
+#define CLRSPIORDY 0x02
+#define CLRARBDO 0x01
#define SSTAT1 0x4c
#define SELTO 0x80
@@ -1650,6 +766,20 @@ ahd_reg_print_t ahd_scb_disconnected_lists_print;
#define STRB2FAST 0x02
#define REQINIT 0x01
+#define CLRSINT1 0x4c
+#define CLRSELTIMEO 0x80
+#define CLRATNO 0x40
+#define CLRSCSIRSTI 0x20
+#define CLRBUSFREE 0x08
+#define CLRSCSIPERR 0x04
+#define CLRSTRB2FAST 0x02
+#define CLRREQINIT 0x01
+
+#define SIMODE2 0x4d
+#define ENWIDE_RES 0x04
+#define ENSDONE 0x02
+#define ENDMADONE 0x01
+
#define SSTAT2 0x4d
#define BUSFREETIME 0xc0
#define NONPACKREQ 0x20
@@ -1662,11 +792,6 @@ ahd_reg_print_t ahd_scb_disconnected_lists_print;
#define BUSFREE_DFF0 0x80
#define BUSFREE_LQO 0x40
-#define SIMODE2 0x4d
-#define ENWIDE_RES 0x04
-#define ENSDONE 0x02
-#define ENDMADONE 0x01
-
#define CLRSINT2 0x4d
#define CLRNONPACKREQ 0x20
#define CLRWIDE_RES 0x04
@@ -1685,10 +810,10 @@ ahd_reg_print_t ahd_scb_disconnected_lists_print;
#define LQISTATE 0x4e
-#define SOFFCNT 0x4f
-
#define LQOSTATE 0x4f
+#define SOFFCNT 0x4f
+
#define LQISTAT0 0x50
#define LQIATNQAS 0x20
#define LQICRCT1 0x10
@@ -1697,14 +822,6 @@ ahd_reg_print_t ahd_scb_disconnected_lists_print;
#define LQIATNLQ 0x02
#define LQIATNCMD 0x01
-#define CLRLQIINT0 0x50
-#define CLRLQIATNQAS 0x20
-#define CLRLQICRCT1 0x10
-#define CLRLQICRCT2 0x08
-#define CLRLQIBADLQT 0x04
-#define CLRLQIATNLQ 0x02
-#define CLRLQIATNCMD 0x01
-
#define LQIMODE0 0x50
#define ENLQIATNQASK 0x20
#define ENLQICRCT1 0x10
@@ -1713,6 +830,14 @@ ahd_reg_print_t ahd_scb_disconnected_lists_print;
#define ENLQIATNLQ 0x02
#define ENLQIATNCMD 0x01
+#define CLRLQIINT0 0x50
+#define CLRLQIATNQAS 0x20
+#define CLRLQICRCT1 0x10
+#define CLRLQICRCT2 0x08
+#define CLRLQIBADLQT 0x04
+#define CLRLQIATNLQ 0x02
+#define CLRLQIATNCMD 0x01
+
#define LQIMODE1 0x51
#define ENLQIPHASE_LQ 0x80
#define ENLQIPHASE_NLQ 0x40
@@ -1753,25 +878,18 @@ ahd_reg_print_t ahd_scb_disconnected_lists_print;
#define LQISTOPCMD 0x02
#define LQIGSAVAIL 0x01
-#define SSTAT3 0x53
-#define NTRAMPERR 0x02
-#define OSRAMPERR 0x01
-
#define SIMODE3 0x53
#define ENNTRAMPERR 0x02
#define ENOSRAMPERR 0x01
+#define SSTAT3 0x53
+#define NTRAMPERR 0x02
+#define OSRAMPERR 0x01
+
#define CLRSINT3 0x53
#define CLRNTRAMPERR 0x02
#define CLROSRAMPERR 0x01
-#define LQOSTAT0 0x54
-#define LQOTARGSCBPERR 0x10
-#define LQOSTOPT2 0x08
-#define LQOATNLQ 0x04
-#define LQOATNPKT 0x02
-#define LQOTCRC 0x01
-
#define CLRLQOINT0 0x54
#define CLRLQOTARGSCBPERR 0x10
#define CLRLQOSTOPT2 0x08
@@ -1779,6 +897,13 @@ ahd_reg_print_t ahd_scb_disconnected_lists_print;
#define CLRLQOATNPKT 0x02
#define CLRLQOTCRC 0x01
+#define LQOSTAT0 0x54
+#define LQOTARGSCBPERR 0x10
+#define LQOSTOPT2 0x08
+#define LQOATNLQ 0x04
+#define LQOATNPKT 0x02
+#define LQOTCRC 0x01
+
#define LQOMODE0 0x54
#define ENLQOTARGSCBPERR 0x10
#define ENLQOSTOPT2 0x08
@@ -1793,13 +918,6 @@ ahd_reg_print_t ahd_scb_disconnected_lists_print;
#define ENLQOBUSFREE 0x02
#define ENLQOPHACHGINPKT 0x01
-#define LQOSTAT1 0x55
-#define LQOINITSCBPERR 0x10
-#define LQOSTOPI2 0x08
-#define LQOBADQAS 0x04
-#define LQOBUSFREE 0x02
-#define LQOPHACHGINPKT 0x01
-
#define CLRLQOINT1 0x55
#define CLRLQOINITSCBPERR 0x10
#define CLRLQOSTOPI2 0x08
@@ -1807,6 +925,13 @@ ahd_reg_print_t ahd_scb_disconnected_lists_print;
#define CLRLQOBUSFREE 0x02
#define CLRLQOPHACHGINPKT 0x01
+#define LQOSTAT1 0x55
+#define LQOINITSCBPERR 0x10
+#define LQOSTOPI2 0x08
+#define LQOBADQAS 0x04
+#define LQOBUSFREE 0x02
+#define LQOPHACHGINPKT 0x01
+
#define LQOSTAT2 0x56
#define LQOPKT 0xe0
#define LQOWAITFIFO 0x10
@@ -1859,8 +984,6 @@ ahd_reg_print_t ahd_scb_disconnected_lists_print;
#define CFG4ICMD 0x02
#define CFG4TCMD 0x01
-#define CURRSCB 0x5c
-
#define SEQIMODE 0x5c
#define ENCTXTDONE 0x40
#define ENSAVEPTRS 0x20
@@ -1870,6 +993,11 @@ ahd_reg_print_t ahd_scb_disconnected_lists_print;
#define ENCFG4ICMD 0x02
#define ENCFG4TCMD 0x01
+#define CURRSCB 0x5c
+
+#define CRCCONTROL 0x5d
+#define CRCVALCHKEN 0x40
+
#define MDFFSTAT 0x5d
#define SHCNTNEGATIVE 0x40
#define SHCNTMINUS1 0x20
@@ -1879,34 +1007,31 @@ ahd_reg_print_t ahd_scb_disconnected_lists_print;
#define DATAINFIFO 0x02
#define FIFOFREE 0x01
-#define CRCCONTROL 0x5d
-#define CRCVALCHKEN 0x40
-
#define DFFTAG 0x5e
-#define LASTSCB 0x5e
-
#define SCSITEST 0x5e
#define CNTRTEST 0x08
#define SEL_TXPLL_DEBUG 0x04
+#define LASTSCB 0x5e
+
#define IOPDNCTL 0x5f
#define DISABLE_OE 0x80
#define PDN_IDIST 0x04
#define PDN_DIFFSENSE 0x01
-#define SHADDR 0x60
+#define DGRPCRCI 0x60
#define NEGOADDR 0x60
-#define DGRPCRCI 0x60
+#define SHADDR 0x60
#define NEGPERIOD 0x61
-#define PACKCRCI 0x62
-
#define NEGOFFSET 0x62
+#define PACKCRCI 0x62
+
#define NEGPPROPTS 0x63
#define PPROPT_PACE 0x08
#define PPROPT_QAS 0x04
@@ -1942,16 +1067,18 @@ ahd_reg_print_t ahd_scb_disconnected_lists_print;
#define SHCNT 0x68
-#define TOWNID 0x69
-
#define PLL960CTL1 0x69
+#define TOWNID 0x69
+
#define PLL960CNT0 0x6a
#define XSIG 0x6a
#define SELOID 0x6b
+#define FAIRNESS 0x6c
+
#define PLL400CTL0 0x6c
#define PLL_VCOSEL 0x80
#define PLL_PWDN 0x40
@@ -1961,8 +1088,6 @@ ahd_reg_print_t ahd_scb_disconnected_lists_print;
#define PLL_DLPF 0x02
#define PLL_ENFBM 0x01
-#define FAIRNESS 0x6c
-
#define PLL400CTL1 0x6d
#define PLL_CNTEN 0x80
#define PLL_CNTCLR 0x40
@@ -1974,25 +1099,25 @@ ahd_reg_print_t ahd_scb_disconnected_lists_print;
#define HADDR 0x70
+#define HODMAADR 0x70
+
#define PLLDELAY 0x70
#define SPLIT_DROP_REQ 0x80
-#define HODMAADR 0x70
+#define HCNT 0x78
#define HODMACNT 0x78
-#define HCNT 0x78
-
#define HODMAEN 0x7a
-#define SCBHADDR 0x7c
-
#define SGHADDR 0x7c
-#define SCBHCNT 0x84
+#define SCBHADDR 0x7c
#define SGHCNT 0x84
+#define SCBHCNT 0x84
+
#define DFF_THRSH 0x88
#define WR_DFTHRSH 0x70
#define RD_DFTHRSH 0x07
@@ -2025,6 +1150,10 @@ ahd_reg_print_t ahd_scb_disconnected_lists_print;
#define CMCRXMSG0 0x90
+#define OVLYRXMSG0 0x90
+
+#define DCHRXMSG0 0x90
+
#define ROENABLE 0x90
#define MSIROEN 0x20
#define OVLYROEN 0x10
@@ -2033,11 +1162,11 @@ ahd_reg_print_t ahd_scb_disconnected_lists_print;
#define DCH1ROEN 0x02
#define DCH0ROEN 0x01
-#define OVLYRXMSG0 0x90
+#define OVLYRXMSG1 0x91
-#define DCHRXMSG0 0x90
+#define CMCRXMSG1 0x91
-#define OVLYRXMSG1 0x91
+#define DCHRXMSG1 0x91
#define NSENABLE 0x91
#define MSINSEN 0x20
@@ -2047,10 +1176,6 @@ ahd_reg_print_t ahd_scb_disconnected_lists_print;
#define DCH1NSEN 0x02
#define DCH0NSEN 0x01
-#define CMCRXMSG1 0x91
-
-#define DCHRXMSG1 0x91
-
#define DCHRXMSG2 0x92
#define CMCRXMSG2 0x92
@@ -2074,24 +1199,24 @@ ahd_reg_print_t ahd_scb_disconnected_lists_print;
#define TSCSERREN 0x02
#define CMPABCDIS 0x01
+#define CMCSEQBCNT 0x94
+
#define OVLYSEQBCNT 0x94
#define DCHSEQBCNT 0x94
-#define CMCSEQBCNT 0x94
-
-#define CMCSPLTSTAT0 0x96
-
#define DCHSPLTSTAT0 0x96
#define OVLYSPLTSTAT0 0x96
-#define CMCSPLTSTAT1 0x97
+#define CMCSPLTSTAT0 0x96
#define OVLYSPLTSTAT1 0x97
#define DCHSPLTSTAT1 0x97
+#define CMCSPLTSTAT1 0x97
+
#define SGRXMSG0 0x98
#define CDNUM 0xf8
#define CFNUM 0x07
@@ -2119,18 +1244,15 @@ ahd_reg_print_t ahd_scb_disconnected_lists_print;
#define TAG_NUM 0x1f
#define RLXORD 0x10
-#define SGSEQBCNT 0x9c
-
#define SLVSPLTOUTATTR0 0x9c
#define LOWER_BCNT 0xff
+#define SGSEQBCNT 0x9c
+
#define SLVSPLTOUTATTR1 0x9d
#define CMPLT_DNUM 0xf8
#define CMPLT_FNUM 0x07
-#define SLVSPLTOUTATTR2 0x9e
-#define CMPLT_BNUM 0xff
-
#define SGSPLTSTAT0 0x9e
#define STAETERM 0x80
#define SCBCERR 0x40
@@ -2141,6 +1263,9 @@ ahd_reg_print_t ahd_scb_disconnected_lists_print;
#define RXSCEMSG 0x02
#define RXSPLTRSP 0x01
+#define SLVSPLTOUTATTR2 0x9e
+#define CMPLT_BNUM 0xff
+
#define SGSPLTSTAT1 0x9f
#define RXDATABUCKET 0x01
@@ -2177,14 +1302,14 @@ ahd_reg_print_t ahd_scb_disconnected_lists_print;
#define CLRPENDMSI 0x08
#define DPR 0x01
+#define DATA_COUNT_ODD 0xa7
+
#define TARGPCISTAT 0xa7
#define DPE 0x80
#define SSE 0x40
#define STA 0x08
#define TWATERR 0x02
-#define DATA_COUNT_ODD 0xa7
-
#define SCBPTR 0xa8
#define CCSCBACNT 0xab
@@ -2196,10 +1321,10 @@ ahd_reg_print_t ahd_scb_disconnected_lists_print;
#define CCSGADDR 0xac
-#define CCSCBADR_BK 0xac
-
#define CCSCBADDR 0xac
+#define CCSCBADR_BK 0xac
+
#define CMC_RAMBIST 0xad
#define SG_ELEMENT_SIZE 0x80
#define SCBRAMBIST_FAIL 0x40
@@ -2253,9 +1378,9 @@ ahd_reg_print_t ahd_scb_disconnected_lists_print;
#define SEEDAT 0xbc
#define SEECTL 0xbe
+#define SEEOP_EWDS 0x40
#define SEEOP_WALL 0x40
#define SEEOP_EWEN 0x40
-#define SEEOP_EWDS 0x40
#define SEEOPCODE 0x70
#define SEERST 0x02
#define SEESTART 0x01
@@ -2272,25 +1397,25 @@ ahd_reg_print_t ahd_scb_disconnected_lists_print;
#define SCBCNT 0xbf
-#define DFWADDR 0xc0
-
#define DSPFLTRCTL 0xc0
#define FLTRDISABLE 0x20
#define EDGESENSE 0x10
#define DSPFCNTSEL 0x0f
+#define DFWADDR 0xc0
+
#define DSPDATACTL 0xc1
#define BYPASSENAB 0x80
#define DESQDIS 0x10
#define RCVROFFSTDIS 0x04
#define XMITOFFSTDIS 0x02
-#define DFRADDR 0xc2
-
#define DSPREQCTL 0xc2
#define MANREQCTL 0xc0
#define MANREQDLY 0x3f
+#define DFRADDR 0xc2
+
#define DSPACKCTL 0xc3
#define MANACKCTL 0xc0
#define MANACKDLY 0x3f
@@ -2311,14 +1436,14 @@ ahd_reg_print_t ahd_scb_disconnected_lists_print;
#define WRTBIASCALC 0xc7
-#define RCVRBIASCALC 0xc8
-
#define DFPTRS 0xc8
-#define SKEWCALC 0xc9
+#define RCVRBIASCALC 0xc8
#define DFBKPTR 0xc9
+#define SKEWCALC 0xc9
+
#define DFDBCTL 0xcb
#define DFF_CIO_WR_RDY 0x20
#define DFF_CIO_RD_RDY 0x10
@@ -2403,12 +1528,12 @@ ahd_reg_print_t ahd_scb_disconnected_lists_print;
#define ACCUM_SAVE 0xfa
-#define WAITING_SCB_TAILS 0x100
-
#define AHD_PCI_CONFIG_BASE 0x100
#define SRAM_BASE 0x100
+#define WAITING_SCB_TAILS 0x100
+
#define WAITING_TID_HEAD 0x120
#define WAITING_TID_TAIL 0x122
@@ -2437,8 +1562,8 @@ ahd_reg_print_t ahd_scb_disconnected_lists_print;
#define PRELOADEN 0x80
#define WIDEODD 0x40
#define SCSIEN 0x20
-#define SDMAEN 0x10
#define SDMAENACK 0x10
+#define SDMAEN 0x10
#define HDMAEN 0x08
#define HDMAENACK 0x08
#define DIRECTION 0x04
@@ -2536,12 +1661,12 @@ ahd_reg_print_t ahd_scb_disconnected_lists_print;
#define MK_MESSAGE_SCSIID 0x162
-#define SCB_BASE 0x180
-
#define SCB_RESIDUAL_DATACNT 0x180
#define SCB_CDB_STORE 0x180
#define SCB_HOST_CDB_PTR 0x180
+#define SCB_BASE 0x180
+
#define SCB_RESIDUAL_SGPTR 0x184
#define SG_ADDR_MASK 0xf8
#define SG_OVERRUN_RESID 0x02
@@ -2609,77 +1734,77 @@ ahd_reg_print_t ahd_scb_disconnected_lists_print;
#define SCB_DISCONNECTED_LISTS 0x1b8
+#define STIMESEL_SHIFT 0x03
+#define STIMESEL_MIN 0x18
+#define INVALID_ADDR 0x80
+#define CMD_GROUP_CODE_SHIFT 0x05
+#define AHD_PRECOMP_MASK 0x07
+#define TARGET_DATA_IN 0x01
+#define SEEOP_EWEN_ADDR 0xc0
+#define NUMDSPS 0x14
+#define DST_MODE_SHIFT 0x04
+#define CCSCBADDR_MAX 0x80
+#define AHD_ANNEXCOL_PER_DEV0 0x04
+#define TARGET_CMD_CMPLT 0xfe
+#define SEEOP_WRAL_ADDR 0x40
+#define BUS_8_BIT 0x00
#define AHD_TIMER_MAX_US 0x18ffe7
#define AHD_TIMER_MAX_TICKS 0xffff
#define AHD_SENSE_BUFSIZE 0x100
-#define BUS_8_BIT 0x00
-#define TARGET_CMD_CMPLT 0xfe
-#define SEEOP_WRAL_ADDR 0x40
-#define AHD_AMPLITUDE_DEF 0x07
-#define AHD_PRECOMP_CUTBACK_37 0x07
#define AHD_PRECOMP_SHIFT 0x00
+#define AHD_PRECOMP_CUTBACK_37 0x07
#define AHD_ANNEXCOL_PRECOMP_SLEW 0x04
-#define AHD_TIMER_US_PER_TICK 0x19
-#define SCB_TRANSFER_SIZE_FULL_LUN 0x38
+#define AHD_AMPLITUDE_DEF 0x07
+#define WRTBIASCTL_HP_DEFAULT 0x00
+#define TID_SHIFT 0x04
#define STATUS_QUEUE_FULL 0x28
#define STATUS_BUSY 0x08
-#define MAX_OFFSET_NON_PACED 0x7f
+#define SEEOP_EWDS_ADDR 0x00
+#define SCB_TRANSFER_SIZE_FULL_LUN 0x38
+#define MK_MESSAGE_BIT_OFFSET 0x04
#define MAX_OFFSET_PACED 0xfe
-#define BUS_32_BIT 0x02
+#define MAX_OFFSET_NON_PACED 0x7f
+#define LUNLEN_SINGLE_LEVEL_LUN 0x0f
#define CCSGADDR_MAX 0x80
-#define TID_SHIFT 0x04
-#define MK_MESSAGE_BIT_OFFSET 0x04
-#define WRTBIASCTL_HP_DEFAULT 0x00
-#define SEEOP_EWDS_ADDR 0x00
-#define AHD_AMPLITUDE_SHIFT 0x00
-#define AHD_AMPLITUDE_MASK 0x07
-#define AHD_ANNEXCOL_AMPLITUDE 0x06
-#define AHD_SLEWRATE_DEF_REVA 0x08
+#define B_CURRFIFO_0 0x02
+#define BUS_32_BIT 0x02
+#define AHD_TIMER_US_PER_TICK 0x19
#define AHD_SLEWRATE_SHIFT 0x03
#define AHD_SLEWRATE_MASK 0x78
+#define AHD_SLEWRATE_DEF_REVA 0x08
#define AHD_PRECOMP_CUTBACK_29 0x06
#define AHD_NUM_PER_DEV_ANNEXCOLS 0x04
-#define B_CURRFIFO_0 0x02
-#define LUNLEN_SINGLE_LEVEL_LUN 0x0f
-#define NVRAM_SCB_OFFSET 0x2c
+#define AHD_ANNEXCOL_AMPLITUDE 0x06
+#define AHD_AMPLITUDE_SHIFT 0x00
+#define AHD_AMPLITUDE_MASK 0x07
+#define STIMESEL_BUG_ADJ 0x08
#define STATUS_PKT_SENSE 0xff
-#define CMD_GROUP_CODE_SHIFT 0x05
+#define SRC_MODE_SHIFT 0x00
+#define SEEOP_ERAL_ADDR 0x80
+#define NVRAM_SCB_OFFSET 0x2c
#define MAX_OFFSET_PACED_BUG 0x7f
-#define STIMESEL_BUG_ADJ 0x08
-#define STIMESEL_MIN 0x18
-#define STIMESEL_SHIFT 0x03
#define CCSGRAM_MAXSEGS 0x10
-#define INVALID_ADDR 0x80
-#define SEEOP_ERAL_ADDR 0x80
#define AHD_SLEWRATE_DEF_REVB 0x08
#define AHD_PRECOMP_CUTBACK_17 0x04
-#define AHD_PRECOMP_MASK 0x07
-#define SRC_MODE_SHIFT 0x00
-#define PKT_OVERRUN_BUFSIZE 0x200
#define SCB_TRANSFER_SIZE_1BYTE_LUN 0x30
-#define TARGET_DATA_IN 0x01
-#define HOST_MSG 0xff
+#define PKT_OVERRUN_BUFSIZE 0x200
#define MAX_OFFSET 0xfe
+#define HOST_MSG 0xff
#define BUS_16_BIT 0x01
-#define CCSCBADDR_MAX 0x80
-#define NUMDSPS 0x14
-#define SEEOP_EWEN_ADDR 0xc0
-#define AHD_ANNEXCOL_PER_DEV0 0x04
-#define DST_MODE_SHIFT 0x04
/* Downloaded Constant Definitions */
+#define SG_SIZEOF 0x04
+#define SG_PREFETCH_ALIGN_MASK 0x02
+#define SG_PREFETCH_CNT_LIMIT 0x01
#define CACHELINE_MASK 0x07
#define SCB_TRANSFER_SIZE 0x06
#define PKT_OVERRUN_BUFOFFSET 0x05
-#define SG_SIZEOF 0x04
#define SG_PREFETCH_ADDR_MASK 0x03
-#define SG_PREFETCH_ALIGN_MASK 0x02
-#define SG_PREFETCH_CNT_LIMIT 0x01
#define SG_PREFETCH_CNT 0x00
#define DOWNLOAD_CONST_COUNT 0x08
/* Exported Labels */
-#define LABEL_seq_isr 0x28f
#define LABEL_timer_isr 0x28b
+#define LABEL_seq_isr 0x28f
diff --git a/drivers/scsi/aic7xxx/aic79xx_reg_print.c_shipped b/drivers/scsi/aic7xxx/aic79xx_reg_print.c_shipped
index f5ea715d6ac3..2e0c58905b9e 100644
--- a/drivers/scsi/aic7xxx/aic79xx_reg_print.c_shipped
+++ b/drivers/scsi/aic7xxx/aic79xx_reg_print.c_shipped
@@ -234,6 +234,23 @@ ahd_selid_print(u_int regvalue, u_int *cur_col, u_int wrap)
0x49, regvalue, cur_col, wrap));
}
+static const ahd_reg_parse_entry_t SIMODE0_parse_table[] = {
+ { "ENARBDO", 0x01, 0x01 },
+ { "ENSPIORDY", 0x02, 0x02 },
+ { "ENOVERRUN", 0x04, 0x04 },
+ { "ENIOERR", 0x08, 0x08 },
+ { "ENSELINGO", 0x10, 0x10 },
+ { "ENSELDI", 0x20, 0x20 },
+ { "ENSELDO", 0x40, 0x40 }
+};
+
+int
+ahd_simode0_print(u_int regvalue, u_int *cur_col, u_int wrap)
+{
+ return (ahd_print_register(SIMODE0_parse_table, 7, "SIMODE0",
+ 0x4b, regvalue, cur_col, wrap));
+}
+
static const ahd_reg_parse_entry_t SSTAT0_parse_table[] = {
{ "ARBDO", 0x01, 0x01 },
{ "SPIORDY", 0x02, 0x02 },
@@ -252,23 +269,6 @@ ahd_sstat0_print(u_int regvalue, u_int *cur_col, u_int wrap)
0x4b, regvalue, cur_col, wrap));
}
-static const ahd_reg_parse_entry_t SIMODE0_parse_table[] = {
- { "ENARBDO", 0x01, 0x01 },
- { "ENSPIORDY", 0x02, 0x02 },
- { "ENOVERRUN", 0x04, 0x04 },
- { "ENIOERR", 0x08, 0x08 },
- { "ENSELINGO", 0x10, 0x10 },
- { "ENSELDI", 0x20, 0x20 },
- { "ENSELDO", 0x40, 0x40 }
-};
-
-int
-ahd_simode0_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
- return (ahd_print_register(SIMODE0_parse_table, 7, "SIMODE0",
- 0x4b, regvalue, cur_col, wrap));
-}
-
static const ahd_reg_parse_entry_t SSTAT1_parse_table[] = {
{ "REQINIT", 0x01, 0x01 },
{ "STRB2FAST", 0x02, 0x02 },
diff --git a/drivers/scsi/aic7xxx/aic7xxx_core.c b/drivers/scsi/aic7xxx/aic7xxx_core.c
index 64ab9eaec428..381846164003 100644
--- a/drivers/scsi/aic7xxx/aic7xxx_core.c
+++ b/drivers/scsi/aic7xxx/aic7xxx_core.c
@@ -7340,7 +7340,6 @@ ahc_dump_card_state(struct ahc_softc *ahc)
printk("\n");
}
- ahc_platform_dump_card_state(ahc);
printk("\n<<<<<<<<<<<<<<<<< Dump Card State Ends >>>>>>>>>>>>>>>>>>\n");
ahc_outb(ahc, SCBPTR, saved_scbptr);
if (paused == 0)
diff --git a/drivers/scsi/aic7xxx/aic7xxx_osm.c b/drivers/scsi/aic7xxx/aic7xxx_osm.c
index fc6a83188c1e..acd687f4554e 100644
--- a/drivers/scsi/aic7xxx/aic7xxx_osm.c
+++ b/drivers/scsi/aic7xxx/aic7xxx_osm.c
@@ -2329,11 +2329,6 @@ done:
return (retval);
}
-void
-ahc_platform_dump_card_state(struct ahc_softc *ahc)
-{
-}
-
static void ahc_linux_set_width(struct scsi_target *starget, int width)
{
struct Scsi_Host *shost = dev_to_shost(starget->dev.parent);
diff --git a/drivers/scsi/aic7xxx/aic7xxx_osm.h b/drivers/scsi/aic7xxx/aic7xxx_osm.h
index 54c702864103..f8489078f003 100644
--- a/drivers/scsi/aic7xxx/aic7xxx_osm.h
+++ b/drivers/scsi/aic7xxx/aic7xxx_osm.h
@@ -688,7 +688,6 @@ void ahc_done(struct ahc_softc*, struct scb*);
void ahc_send_async(struct ahc_softc *, char channel,
u_int target, u_int lun, ac_code);
void ahc_print_path(struct ahc_softc *, struct scb *);
-void ahc_platform_dump_card_state(struct ahc_softc *ahc);
#ifdef CONFIG_PCI
#define AHC_PCI_CONFIG 1
diff --git a/drivers/scsi/aic7xxx/aic7xxx_reg.h_shipped b/drivers/scsi/aic7xxx/aic7xxx_reg.h_shipped
index e821082a4f47..473039df0ed5 100644
--- a/drivers/scsi/aic7xxx/aic7xxx_reg.h_shipped
+++ b/drivers/scsi/aic7xxx/aic7xxx_reg.h_shipped
@@ -244,8 +244,6 @@ ahc_reg_print_t ahc_scb_tag_print;
#define SCSIDATH 0x07
-#define STCNT 0x08
-
#define OPTIONMODE 0x08
#define OPTIONMODE_DEFAULTS 0x03
#define AUTORATEEN 0x80
@@ -257,6 +255,8 @@ ahc_reg_print_t ahc_scb_tag_print;
#define AUTO_MSGOUT_DE 0x02
#define DIS_MSGIN_DUALEDGE 0x01
+#define STCNT 0x08
+
#define TARGCRCCNT 0x0a
#define CLRSINT0 0x0b
@@ -365,8 +365,6 @@ ahc_reg_print_t ahc_scb_tag_print;
#define ALTSTIM 0x20
#define DFLTTID 0x10
-#define TARGID 0x1b
-
#define SPIOCAP 0x1b
#define SOFT1 0x80
#define SOFT0 0x40
@@ -377,12 +375,14 @@ ahc_reg_print_t ahc_scb_tag_print;
#define ROM 0x02
#define SSPIOCPS 0x01
+#define TARGID 0x1b
+
#define BRDCTL 0x1d
#define BRDDAT7 0x80
#define BRDDAT6 0x40
#define BRDDAT5 0x20
-#define BRDDAT4 0x10
#define BRDSTB 0x10
+#define BRDDAT4 0x10
#define BRDDAT3 0x08
#define BRDCS 0x08
#define BRDDAT2 0x04
@@ -406,8 +406,8 @@ ahc_reg_print_t ahc_scb_tag_print;
#define DIAGLEDEN 0x80
#define DIAGLEDON 0x40
#define AUTOFLUSHDIS 0x20
-#define ENAB40 0x08
#define SELBUSB 0x08
+#define ENAB40 0x08
#define ENAB20 0x04
#define SELWIDE 0x02
#define XCVR 0x01
@@ -730,8 +730,8 @@ ahc_reg_print_t ahc_scb_tag_print;
#define SCB_BASE 0xa0
#define SCB_CDB_PTR 0xa0
-#define SCB_RESIDUAL_DATACNT 0xa0
#define SCB_CDB_STORE 0xa0
+#define SCB_RESIDUAL_DATACNT 0xa0
#define SCB_RESIDUAL_SGPTR 0xa4
@@ -756,8 +756,8 @@ ahc_reg_print_t ahc_scb_tag_print;
#define SCB_CONTROL 0xb8
#define SCB_TAG_TYPE 0x03
-#define STATUS_RCVD 0x80
#define TARGET_SCB 0x80
+#define STATUS_RCVD 0x80
#define DISCENB 0x40
#define TAG_ENB 0x20
#define MK_MESSAGE 0x10
@@ -872,40 +872,40 @@ ahc_reg_print_t ahc_scb_tag_print;
#define SG_CACHE_PRE 0xfc
+#define TARGET_CMD_CMPLT 0xfe
#define MAX_OFFSET_ULTRA2 0x7f
#define MAX_OFFSET_16BIT 0x08
#define BUS_8_BIT 0x00
-#define TARGET_CMD_CMPLT 0xfe
+#define TID_SHIFT 0x04
#define STATUS_QUEUE_FULL 0x28
#define STATUS_BUSY 0x08
-#define MAX_OFFSET_8BIT 0x0f
-#define BUS_32_BIT 0x02
-#define CCSGADDR_MAX 0x80
-#define TID_SHIFT 0x04
#define SCB_DOWNLOAD_SIZE_64 0x30
+#define MAX_OFFSET_8BIT 0x0f
#define HOST_MAILBOX_SHIFT 0x04
-#define CMD_GROUP_CODE_SHIFT 0x05
-#define CCSGRAM_MAXSEGS 0x10
-#define SCB_LIST_NULL 0xff
+#define CCSGADDR_MAX 0x80
+#define BUS_32_BIT 0x02
#define SG_SIZEOF 0x08
-#define SCB_DOWNLOAD_SIZE 0x20
#define SEQ_MAILBOX_SHIFT 0x00
+#define SCB_LIST_NULL 0xff
+#define SCB_DOWNLOAD_SIZE 0x20
+#define CMD_GROUP_CODE_SHIFT 0x05
+#define CCSGRAM_MAXSEGS 0x10
#define TARGET_DATA_IN 0x01
-#define HOST_MSG 0xff
+#define STACK_SIZE 0x04
+#define SCB_UPLOAD_SIZE 0x20
#define MAX_OFFSET 0x7f
+#define HOST_MSG 0xff
#define BUS_16_BIT 0x01
-#define SCB_UPLOAD_SIZE 0x20
-#define STACK_SIZE 0x04
/* Downloaded Constant Definitions */
#define INVERTED_CACHESIZE_MASK 0x03
-#define SG_PREFETCH_ADDR_MASK 0x06
#define SG_PREFETCH_ALIGN_MASK 0x05
+#define SG_PREFETCH_ADDR_MASK 0x06
#define QOUTFIFO_OFFSET 0x00
#define SG_PREFETCH_CNT 0x04
-#define CACHESIZE_MASK 0x02
#define QINFIFO_OFFSET 0x01
+#define CACHESIZE_MASK 0x02
#define DOWNLOAD_CONST_COUNT 0x07
diff --git a/drivers/scsi/aic94xx/aic94xx_init.c b/drivers/scsi/aic94xx/aic94xx_init.c
index a14ba7a6b81e..6c838865ac5a 100644
--- a/drivers/scsi/aic94xx/aic94xx_init.c
+++ b/drivers/scsi/aic94xx/aic94xx_init.c
@@ -70,7 +70,7 @@ static struct scsi_host_template aic94xx_sht = {
.max_sectors = SCSI_DEFAULT_MAX_SECTORS,
.use_clustering = ENABLE_CLUSTERING,
.eh_device_reset_handler = sas_eh_device_reset_handler,
- .eh_bus_reset_handler = sas_eh_bus_reset_handler,
+ .eh_target_reset_handler = sas_eh_target_reset_handler,
.target_destroy = sas_target_destroy,
.ioctl = sas_ioctl,
.track_queue_depth = 1,
@@ -956,11 +956,11 @@ static int asd_scan_finished(struct Scsi_Host *shost, unsigned long time)
return 1;
}
-static ssize_t asd_version_show(struct device_driver *driver, char *buf)
+static ssize_t version_show(struct device_driver *driver, char *buf)
{
return snprintf(buf, PAGE_SIZE, "%s\n", ASD_DRIVER_VERSION);
}
-static DRIVER_ATTR(version, S_IRUGO, asd_version_show, NULL);
+static DRIVER_ATTR_RO(version);
static int asd_create_driver_attrs(struct device_driver *driver)
{
diff --git a/drivers/scsi/arcmsr/arcmsr_attr.c b/drivers/scsi/arcmsr/arcmsr_attr.c
index 9c86481f779f..259d9c20bf25 100644
--- a/drivers/scsi/arcmsr/arcmsr_attr.c
+++ b/drivers/scsi/arcmsr/arcmsr_attr.c
@@ -190,7 +190,7 @@ static ssize_t arcmsr_sysfs_iop_message_clear(struct file *filp,
return 1;
}
-static struct bin_attribute arcmsr_sysfs_message_read_attr = {
+static const struct bin_attribute arcmsr_sysfs_message_read_attr = {
.attr = {
.name = "mu_read",
.mode = S_IRUSR ,
@@ -199,7 +199,7 @@ static struct bin_attribute arcmsr_sysfs_message_read_attr = {
.read = arcmsr_sysfs_iop_message_read,
};
-static struct bin_attribute arcmsr_sysfs_message_write_attr = {
+static const struct bin_attribute arcmsr_sysfs_message_write_attr = {
.attr = {
.name = "mu_write",
.mode = S_IWUSR,
@@ -208,7 +208,7 @@ static struct bin_attribute arcmsr_sysfs_message_write_attr = {
.write = arcmsr_sysfs_iop_message_write,
};
-static struct bin_attribute arcmsr_sysfs_message_clear_attr = {
+static const struct bin_attribute arcmsr_sysfs_message_clear_attr = {
.attr = {
.name = "mu_clear",
.mode = S_IWUSR,
diff --git a/drivers/scsi/arm/acornscsi.c b/drivers/scsi/arm/acornscsi.c
index 12b88294d667..690816f3c6af 100644
--- a/drivers/scsi/arm/acornscsi.c
+++ b/drivers/scsi/arm/acornscsi.c
@@ -2725,23 +2725,24 @@ int acornscsi_abort(struct scsi_cmnd *SCpnt)
* Params : SCpnt - command causing reset
* Returns : one of SCSI_RESET_ macros
*/
-int acornscsi_bus_reset(struct scsi_cmnd *SCpnt)
+int acornscsi_host_reset(struct Scsi_Host *shpnt)
{
- AS_Host *host = (AS_Host *)SCpnt->device->host->hostdata;
+ AS_Host *host = (AS_Host *)shpnt->hostdata;
struct scsi_cmnd *SCptr;
host->stats.resets += 1;
#if (DEBUG & DEBUG_RESET)
{
- int asr, ssr;
+ int asr, ssr, devidx;
asr = sbic_arm_read(host, SBIC_ASR);
ssr = sbic_arm_read(host, SBIC_SSR);
printk(KERN_WARNING "acornscsi_reset: ");
print_sbic_status(asr, ssr, host->scsi.phase);
- acornscsi_dumplog(host, SCpnt->device->id);
+ for (devidx = 0; devidx < 9; devidx ++) {
+ acornscsi_dumplog(host, devidx);
}
#endif
@@ -2884,7 +2885,7 @@ static struct scsi_host_template acornscsi_template = {
.info = acornscsi_info,
.queuecommand = acornscsi_queuecmd,
.eh_abort_handler = acornscsi_abort,
- .eh_bus_reset_handler = acornscsi_bus_reset,
+ .eh_host_reset_handler = acornscsi_host_reset,
.can_queue = 16,
.this_id = 7,
.sg_tablesize = SG_ALL,
diff --git a/drivers/scsi/arm/cumana_1.c b/drivers/scsi/arm/cumana_1.c
index a87b99c7fb9a..ae1d809904fb 100644
--- a/drivers/scsi/arm/cumana_1.c
+++ b/drivers/scsi/arm/cumana_1.c
@@ -216,7 +216,7 @@ static struct scsi_host_template cumanascsi_template = {
.info = cumanascsi_info,
.queuecommand = cumanascsi_queue_command,
.eh_abort_handler = NCR5380_abort,
- .eh_bus_reset_handler = NCR5380_bus_reset,
+ .eh_host_reset_handler = NCR5380_host_reset,
.can_queue = 16,
.this_id = 7,
.sg_tablesize = SG_ALL,
diff --git a/drivers/scsi/arm/oak.c b/drivers/scsi/arm/oak.c
index 6be6666534d4..05b7f755499b 100644
--- a/drivers/scsi/arm/oak.c
+++ b/drivers/scsi/arm/oak.c
@@ -105,7 +105,7 @@ static struct scsi_host_template oakscsi_template = {
.info = oakscsi_info,
.queuecommand = oakscsi_queue_command,
.eh_abort_handler = NCR5380_abort,
- .eh_bus_reset_handler = NCR5380_bus_reset,
+ .eh_host_reset_handler = NCR5380_host_reset,
.can_queue = 16,
.this_id = 7,
.sg_tablesize = SG_ALL,
diff --git a/drivers/scsi/atari_scsi.c b/drivers/scsi/atari_scsi.c
index a75feebe6ad6..89f5154c40b6 100644
--- a/drivers/scsi/atari_scsi.c
+++ b/drivers/scsi/atari_scsi.c
@@ -671,7 +671,7 @@ static void atari_scsi_falcon_reg_write(unsigned int reg, u8 value)
#include "NCR5380.c"
-static int atari_scsi_bus_reset(struct scsi_cmnd *cmd)
+static int atari_scsi_host_reset(struct scsi_cmnd *cmd)
{
int rv;
unsigned long flags;
@@ -688,7 +688,7 @@ static int atari_scsi_bus_reset(struct scsi_cmnd *cmd)
atari_dma_orig_addr = NULL;
}
- rv = NCR5380_bus_reset(cmd);
+ rv = NCR5380_host_reset(cmd);
/* The 5380 raises its IRQ line while _RST is active but the ST DMA
* "lock" has been released so this interrupt may end up handled by
@@ -711,7 +711,7 @@ static struct scsi_host_template atari_scsi_template = {
.info = atari_scsi_info,
.queuecommand = atari_scsi_queue_command,
.eh_abort_handler = atari_scsi_abort,
- .eh_bus_reset_handler = atari_scsi_bus_reset,
+ .eh_host_reset_handler = atari_scsi_host_reset,
.this_id = 7,
.cmd_per_lun = 2,
.use_clustering = DISABLE_CLUSTERING,
diff --git a/drivers/scsi/be2iscsi/be_iscsi.c b/drivers/scsi/be2iscsi/be_iscsi.c
index 97dca4681784..43a80ce5ce6a 100644
--- a/drivers/scsi/be2iscsi/be_iscsi.c
+++ b/drivers/scsi/be2iscsi/be_iscsi.c
@@ -82,8 +82,8 @@ struct iscsi_cls_session *beiscsi_session_create(struct iscsi_endpoint *ep,
return NULL;
sess = cls_session->dd_data;
beiscsi_sess = sess->dd_data;
- beiscsi_sess->bhs_pool = pci_pool_create("beiscsi_bhs_pool",
- phba->pcidev,
+ beiscsi_sess->bhs_pool = dma_pool_create("beiscsi_bhs_pool",
+ &phba->pcidev->dev,
sizeof(struct be_cmd_bhs),
64, 0);
if (!beiscsi_sess->bhs_pool)
@@ -108,7 +108,7 @@ void beiscsi_session_destroy(struct iscsi_cls_session *cls_session)
struct beiscsi_session *beiscsi_sess = sess->dd_data;
printk(KERN_INFO "In beiscsi_session_destroy\n");
- pci_pool_destroy(beiscsi_sess->bhs_pool);
+ dma_pool_destroy(beiscsi_sess->bhs_pool);
iscsi_session_teardown(cls_session);
}
diff --git a/drivers/scsi/be2iscsi/be_main.c b/drivers/scsi/be2iscsi/be_main.c
index f862332261f8..b4542e7e2ad5 100644
--- a/drivers/scsi/be2iscsi/be_main.c
+++ b/drivers/scsi/be2iscsi/be_main.c
@@ -4257,7 +4257,7 @@ static void beiscsi_cleanup_task(struct iscsi_task *task)
pwrb_context = &phwi_ctrlr->wrb_context[cri_index];
if (io_task->cmd_bhs) {
- pci_pool_free(beiscsi_sess->bhs_pool, io_task->cmd_bhs,
+ dma_pool_free(beiscsi_sess->bhs_pool, io_task->cmd_bhs,
io_task->bhs_pa.u.a64.address);
io_task->cmd_bhs = NULL;
task->hdr = NULL;
@@ -4374,7 +4374,7 @@ static int beiscsi_alloc_pdu(struct iscsi_task *task, uint8_t opcode)
struct beiscsi_session *beiscsi_sess = beiscsi_conn->beiscsi_sess;
dma_addr_t paddr;
- io_task->cmd_bhs = pci_pool_alloc(beiscsi_sess->bhs_pool,
+ io_task->cmd_bhs = dma_pool_alloc(beiscsi_sess->bhs_pool,
GFP_ATOMIC, &paddr);
if (!io_task->cmd_bhs)
return -ENOMEM;
@@ -4501,7 +4501,7 @@ free_hndls:
if (io_task->pwrb_handle)
free_wrb_handle(phba, pwrb_context, io_task->pwrb_handle);
io_task->pwrb_handle = NULL;
- pci_pool_free(beiscsi_sess->bhs_pool, io_task->cmd_bhs,
+ dma_pool_free(beiscsi_sess->bhs_pool, io_task->cmd_bhs,
io_task->bhs_pa.u.a64.address);
io_task->cmd_bhs = NULL;
return -ENOMEM;
diff --git a/drivers/scsi/be2iscsi/be_main.h b/drivers/scsi/be2iscsi/be_main.h
index 338dbe0800c1..81ce3ffda968 100644
--- a/drivers/scsi/be2iscsi/be_main.h
+++ b/drivers/scsi/be2iscsi/be_main.h
@@ -438,7 +438,7 @@ struct beiscsi_hba {
test_bit(BEISCSI_HBA_ONLINE, &phba->state))
struct beiscsi_session {
- struct pci_pool *bhs_pool;
+ struct dma_pool *bhs_pool;
};
/**
diff --git a/drivers/scsi/bfa/bfad_im.c b/drivers/scsi/bfa/bfad_im.c
index 7eb0eef18fdd..24e657a4ec80 100644
--- a/drivers/scsi/bfa/bfad_im.c
+++ b/drivers/scsi/bfa/bfad_im.c
@@ -373,32 +373,28 @@ out:
}
/*
- * Scsi_Host template entry, resets the bus and abort all commands.
+ * Scsi_Host template entry, resets the target and abort all commands.
*/
static int
-bfad_im_reset_bus_handler(struct scsi_cmnd *cmnd)
+bfad_im_reset_target_handler(struct scsi_cmnd *cmnd)
{
struct Scsi_Host *shost = cmnd->device->host;
+ struct scsi_target *starget = scsi_target(cmnd->device);
struct bfad_im_port_s *im_port =
(struct bfad_im_port_s *) shost->hostdata[0];
struct bfad_s *bfad = im_port->bfad;
struct bfad_itnim_s *itnim;
unsigned long flags;
- u32 i, rc, err_cnt = 0;
+ u32 rc, rtn = FAILED;
DECLARE_WAIT_QUEUE_HEAD_ONSTACK(wq);
enum bfi_tskim_status task_status;
spin_lock_irqsave(&bfad->bfad_lock, flags);
- for (i = 0; i < MAX_FCP_TARGET; i++) {
- itnim = bfad_get_itnim(im_port, i);
- if (itnim) {
- cmnd->SCp.ptr = (char *)&wq;
- rc = bfad_im_target_reset_send(bfad, cmnd, itnim);
- if (rc != BFA_STATUS_OK) {
- err_cnt++;
- continue;
- }
-
+ itnim = bfad_get_itnim(im_port, starget->id);
+ if (itnim) {
+ cmnd->SCp.ptr = (char *)&wq;
+ rc = bfad_im_target_reset_send(bfad, cmnd, itnim);
+ if (rc == BFA_STATUS_OK) {
/* wait target reset to complete */
spin_unlock_irqrestore(&bfad->bfad_lock, flags);
wait_event(wq, test_bit(IO_DONE_BIT,
@@ -406,20 +402,17 @@ bfad_im_reset_bus_handler(struct scsi_cmnd *cmnd)
spin_lock_irqsave(&bfad->bfad_lock, flags);
task_status = cmnd->SCp.Status >> 1;
- if (task_status != BFI_TSKIM_STS_OK) {
+ if (task_status != BFI_TSKIM_STS_OK)
BFA_LOG(KERN_ERR, bfad, bfa_log_level,
"target reset failure,"
" status: %d\n", task_status);
- err_cnt++;
- }
+ else
+ rtn = SUCCESS;
}
}
spin_unlock_irqrestore(&bfad->bfad_lock, flags);
- if (err_cnt)
- return FAILED;
-
- return SUCCESS;
+ return rtn;
}
/*
@@ -816,7 +809,7 @@ struct scsi_host_template bfad_im_scsi_host_template = {
.eh_timed_out = fc_eh_timed_out,
.eh_abort_handler = bfad_im_abort_handler,
.eh_device_reset_handler = bfad_im_reset_lun_handler,
- .eh_bus_reset_handler = bfad_im_reset_bus_handler,
+ .eh_target_reset_handler = bfad_im_reset_target_handler,
.slave_alloc = bfad_im_slave_alloc,
.slave_configure = bfad_im_slave_configure,
@@ -839,7 +832,7 @@ struct scsi_host_template bfad_im_vport_template = {
.eh_timed_out = fc_eh_timed_out,
.eh_abort_handler = bfad_im_abort_handler,
.eh_device_reset_handler = bfad_im_reset_lun_handler,
- .eh_bus_reset_handler = bfad_im_reset_bus_handler,
+ .eh_target_reset_handler = bfad_im_reset_target_handler,
.slave_alloc = bfad_im_slave_alloc,
.slave_configure = bfad_im_slave_configure,
diff --git a/drivers/scsi/bnx2fc/bnx2fc.h b/drivers/scsi/bnx2fc/bnx2fc.h
index 7e007e142aab..901a31632493 100644
--- a/drivers/scsi/bnx2fc/bnx2fc.h
+++ b/drivers/scsi/bnx2fc/bnx2fc.h
@@ -539,7 +539,6 @@ void bnx2fc_init_task(struct bnx2fc_cmd *io_req,
void bnx2fc_add_2_sq(struct bnx2fc_rport *tgt, u16 xid);
void bnx2fc_ring_doorbell(struct bnx2fc_rport *tgt);
int bnx2fc_eh_abort(struct scsi_cmnd *sc_cmd);
-int bnx2fc_eh_host_reset(struct scsi_cmnd *sc_cmd);
int bnx2fc_eh_target_reset(struct scsi_cmnd *sc_cmd);
int bnx2fc_eh_device_reset(struct scsi_cmnd *sc_cmd);
void bnx2fc_rport_event_handler(struct fc_lport *lport,
diff --git a/drivers/scsi/ch.c b/drivers/scsi/ch.c
index dad959fcf6d8..c535c52e72e5 100644
--- a/drivers/scsi/ch.c
+++ b/drivers/scsi/ch.c
@@ -105,6 +105,7 @@ do { \
static struct class * ch_sysfs_class;
typedef struct {
+ struct kref ref;
struct list_head list;
int minor;
char name[8];
@@ -563,13 +564,23 @@ static int ch_gstatus(scsi_changer *ch, int type, unsigned char __user *dest)
/* ------------------------------------------------------------------------ */
+static void ch_destroy(struct kref *ref)
+{
+ scsi_changer *ch = container_of(ref, scsi_changer, ref);
+
+ kfree(ch->dt);
+ kfree(ch);
+}
+
static int
ch_release(struct inode *inode, struct file *file)
{
scsi_changer *ch = file->private_data;
scsi_device_put(ch->device);
+ ch->device = NULL;
file->private_data = NULL;
+ kref_put(&ch->ref, ch_destroy);
return 0;
}
@@ -588,6 +599,7 @@ ch_open(struct inode *inode, struct file *file)
mutex_unlock(&ch_mutex);
return -ENXIO;
}
+ kref_get(&ch->ref);
spin_unlock(&ch_index_lock);
file->private_data = ch;
@@ -935,8 +947,11 @@ static int ch_probe(struct device *dev)
}
mutex_init(&ch->lock);
+ kref_init(&ch->ref);
ch->device = sd;
- ch_readconfig(ch);
+ ret = ch_readconfig(ch);
+ if (ret)
+ goto destroy_dev;
if (init)
ch_init_elem(ch);
@@ -944,6 +959,8 @@ static int ch_probe(struct device *dev)
sdev_printk(KERN_INFO, sd, "Attached scsi changer %s\n", ch->name);
return 0;
+destroy_dev:
+ device_destroy(ch_sysfs_class, MKDEV(SCSI_CHANGER_MAJOR, ch->minor));
remove_idr:
idr_remove(&ch_index_idr, ch->minor);
free_ch:
@@ -960,8 +977,7 @@ static int ch_remove(struct device *dev)
spin_unlock(&ch_index_lock);
device_destroy(ch_sysfs_class, MKDEV(SCSI_CHANGER_MAJOR,ch->minor));
- kfree(ch->dt);
- kfree(ch);
+ kref_put(&ch->ref, ch_destroy);
return 0;
}
diff --git a/drivers/scsi/csiostor/csio_hw.h b/drivers/scsi/csiostor/csio_hw.h
index 9acb89538e29..667046419b19 100644
--- a/drivers/scsi/csiostor/csio_hw.h
+++ b/drivers/scsi/csiostor/csio_hw.h
@@ -465,7 +465,7 @@ struct csio_hw {
struct csio_pport pport[CSIO_MAX_PPORTS]; /* Ports (XGMACs) */
struct csio_hw_params params; /* Hw parameters */
- struct pci_pool *scsi_pci_pool; /* PCI pool for SCSI */
+ struct dma_pool *scsi_dma_pool; /* DMA pool for SCSI */
mempool_t *mb_mempool; /* Mailbox memory pool*/
mempool_t *rnode_mempool; /* rnode memory pool */
diff --git a/drivers/scsi/csiostor/csio_init.c b/drivers/scsi/csiostor/csio_init.c
index dcd074169aa9..28a9c7d706cb 100644
--- a/drivers/scsi/csiostor/csio_init.c
+++ b/drivers/scsi/csiostor/csio_init.c
@@ -485,9 +485,10 @@ csio_resource_alloc(struct csio_hw *hw)
if (!hw->rnode_mempool)
goto err_free_mb_mempool;
- hw->scsi_pci_pool = pci_pool_create("csio_scsi_pci_pool", hw->pdev,
- CSIO_SCSI_RSP_LEN, 8, 0);
- if (!hw->scsi_pci_pool)
+ hw->scsi_dma_pool = dma_pool_create("csio_scsi_dma_pool",
+ &hw->pdev->dev, CSIO_SCSI_RSP_LEN,
+ 8, 0);
+ if (!hw->scsi_dma_pool)
goto err_free_rn_pool;
return 0;
@@ -505,8 +506,8 @@ err:
static void
csio_resource_free(struct csio_hw *hw)
{
- pci_pool_destroy(hw->scsi_pci_pool);
- hw->scsi_pci_pool = NULL;
+ dma_pool_destroy(hw->scsi_dma_pool);
+ hw->scsi_dma_pool = NULL;
mempool_destroy(hw->rnode_mempool);
hw->rnode_mempool = NULL;
mempool_destroy(hw->mb_mempool);
diff --git a/drivers/scsi/csiostor/csio_scsi.c b/drivers/scsi/csiostor/csio_scsi.c
index a1ff75f1384f..dab0d3f9bee1 100644
--- a/drivers/scsi/csiostor/csio_scsi.c
+++ b/drivers/scsi/csiostor/csio_scsi.c
@@ -2445,7 +2445,7 @@ csio_scsim_init(struct csio_scsim *scm, struct csio_hw *hw)
/* Allocate Dma buffers for Response Payload */
dma_buf = &ioreq->dma_buf;
- dma_buf->vaddr = pci_pool_alloc(hw->scsi_pci_pool, GFP_KERNEL,
+ dma_buf->vaddr = dma_pool_alloc(hw->scsi_dma_pool, GFP_KERNEL,
&dma_buf->paddr);
if (!dma_buf->vaddr) {
csio_err(hw,
@@ -2485,7 +2485,7 @@ free_ioreq:
ioreq = (struct csio_ioreq *)tmp;
dma_buf = &ioreq->dma_buf;
- pci_pool_free(hw->scsi_pci_pool, dma_buf->vaddr,
+ dma_pool_free(hw->scsi_dma_pool, dma_buf->vaddr,
dma_buf->paddr);
kfree(ioreq);
@@ -2516,7 +2516,7 @@ csio_scsim_exit(struct csio_scsim *scm)
ioreq = (struct csio_ioreq *)tmp;
dma_buf = &ioreq->dma_buf;
- pci_pool_free(scm->hw->scsi_pci_pool, dma_buf->vaddr,
+ dma_pool_free(scm->hw->scsi_dma_pool, dma_buf->vaddr,
dma_buf->paddr);
kfree(ioreq);
diff --git a/drivers/scsi/cxgbi/libcxgbi.c b/drivers/scsi/cxgbi/libcxgbi.c
index 1a4cfa562a60..512c8f1ea5b0 100644
--- a/drivers/scsi/cxgbi/libcxgbi.c
+++ b/drivers/scsi/cxgbi/libcxgbi.c
@@ -585,19 +585,21 @@ static struct cxgbi_sock *cxgbi_sock_create(struct cxgbi_device *cdev)
static struct rtable *find_route_ipv4(struct flowi4 *fl4,
__be32 saddr, __be32 daddr,
- __be16 sport, __be16 dport, u8 tos)
+ __be16 sport, __be16 dport, u8 tos,
+ int ifindex)
{
struct rtable *rt;
rt = ip_route_output_ports(&init_net, fl4, NULL, daddr, saddr,
- dport, sport, IPPROTO_TCP, tos, 0);
+ dport, sport, IPPROTO_TCP, tos, ifindex);
if (IS_ERR(rt))
return NULL;
return rt;
}
-static struct cxgbi_sock *cxgbi_check_route(struct sockaddr *dst_addr)
+static struct cxgbi_sock *
+cxgbi_check_route(struct sockaddr *dst_addr, int ifindex)
{
struct sockaddr_in *daddr = (struct sockaddr_in *)dst_addr;
struct dst_entry *dst;
@@ -611,7 +613,8 @@ static struct cxgbi_sock *cxgbi_check_route(struct sockaddr *dst_addr)
int port = 0xFFFF;
int err = 0;
- rt = find_route_ipv4(&fl4, 0, daddr->sin_addr.s_addr, 0, daddr->sin_port, 0);
+ rt = find_route_ipv4(&fl4, 0, daddr->sin_addr.s_addr, 0,
+ daddr->sin_port, 0, ifindex);
if (!rt) {
pr_info("no route to ipv4 0x%x, port %u.\n",
be32_to_cpu(daddr->sin_addr.s_addr),
@@ -693,11 +696,13 @@ err_out:
#if IS_ENABLED(CONFIG_IPV6)
static struct rt6_info *find_route_ipv6(const struct in6_addr *saddr,
- const struct in6_addr *daddr)
+ const struct in6_addr *daddr,
+ int ifindex)
{
struct flowi6 fl;
memset(&fl, 0, sizeof(fl));
+ fl.flowi6_oif = ifindex;
if (saddr)
memcpy(&fl.saddr, saddr, sizeof(struct in6_addr));
if (daddr)
@@ -705,7 +710,8 @@ static struct rt6_info *find_route_ipv6(const struct in6_addr *saddr,
return (struct rt6_info *)ip6_route_output(&init_net, NULL, &fl);
}
-static struct cxgbi_sock *cxgbi_check_route6(struct sockaddr *dst_addr)
+static struct cxgbi_sock *
+cxgbi_check_route6(struct sockaddr *dst_addr, int ifindex)
{
struct sockaddr_in6 *daddr6 = (struct sockaddr_in6 *)dst_addr;
struct dst_entry *dst;
@@ -719,7 +725,7 @@ static struct cxgbi_sock *cxgbi_check_route6(struct sockaddr *dst_addr)
int port = 0xFFFF;
int err = 0;
- rt = find_route_ipv6(NULL, &daddr6->sin6_addr);
+ rt = find_route_ipv6(NULL, &daddr6->sin6_addr, ifindex);
if (!rt) {
pr_info("no route to ipv6 %pI6 port %u\n",
@@ -2536,6 +2542,7 @@ struct iscsi_endpoint *cxgbi_ep_connect(struct Scsi_Host *shost,
struct cxgbi_endpoint *cep;
struct cxgbi_hba *hba = NULL;
struct cxgbi_sock *csk;
+ int ifindex = 0;
int err = -EINVAL;
log_debug(1 << CXGBI_DBG_ISCSI | 1 << CXGBI_DBG_SOCK,
@@ -2548,13 +2555,15 @@ struct iscsi_endpoint *cxgbi_ep_connect(struct Scsi_Host *shost,
pr_info("shost 0x%p, priv NULL.\n", shost);
goto err_out;
}
+
+ ifindex = hba->ndev->ifindex;
}
if (dst_addr->sa_family == AF_INET) {
- csk = cxgbi_check_route(dst_addr);
+ csk = cxgbi_check_route(dst_addr, ifindex);
#if IS_ENABLED(CONFIG_IPV6)
} else if (dst_addr->sa_family == AF_INET6) {
- csk = cxgbi_check_route6(dst_addr);
+ csk = cxgbi_check_route6(dst_addr, ifindex);
#endif
} else {
pr_info("address family 0x%x NOT supported.\n",
diff --git a/drivers/scsi/cxlflash/main.c b/drivers/scsi/cxlflash/main.c
index 6a4367cc9caa..76b8b7eed0c0 100644
--- a/drivers/scsi/cxlflash/main.c
+++ b/drivers/scsi/cxlflash/main.c
@@ -820,8 +820,7 @@ static void term_afu(struct cxlflash_cfg *cfg)
for (k = cfg->afu->num_hwqs - 1; k >= 0; k--)
term_intr(cfg, UNMAP_THREE, k);
- if (cfg->afu)
- stop_afu(cfg);
+ stop_afu(cfg);
for (k = cfg->afu->num_hwqs - 1; k >= 0; k--)
term_mc(cfg, k);
diff --git a/drivers/scsi/cxlflash/superpipe.c b/drivers/scsi/cxlflash/superpipe.c
index ad0f9968ccfb..ed46e8df2e42 100644
--- a/drivers/scsi/cxlflash/superpipe.c
+++ b/drivers/scsi/cxlflash/superpipe.c
@@ -1390,6 +1390,7 @@ static int cxlflash_disk_attach(struct scsi_device *sdev,
if (unlikely(!ctxi)) {
dev_err(dev, "%s: Failed to create context ctxid=%d\n",
__func__, ctxid);
+ rc = -ENOMEM;
goto err;
}
@@ -1650,6 +1651,7 @@ static int cxlflash_afu_recover(struct scsi_device *sdev,
u64 ctxid = DECODE_CTXID(recover->context_id),
rctxid = recover->context_id;
long reg;
+ bool locked = true;
int lretry = 20; /* up to 2 seconds */
int new_adap_fd = -1;
int rc = 0;
@@ -1658,8 +1660,11 @@ static int cxlflash_afu_recover(struct scsi_device *sdev,
up_read(&cfg->ioctl_rwsem);
rc = mutex_lock_interruptible(mutex);
down_read(&cfg->ioctl_rwsem);
- if (rc)
+ if (rc) {
+ locked = false;
goto out;
+ }
+
rc = check_state(cfg);
if (rc) {
dev_err(dev, "%s: Failed state rc=%d\n", __func__, rc);
@@ -1693,8 +1698,10 @@ retry_recover:
mutex_unlock(mutex);
msleep(100);
rc = mutex_lock_interruptible(mutex);
- if (rc)
+ if (rc) {
+ locked = false;
goto out;
+ }
goto retry_recover;
}
@@ -1738,7 +1745,8 @@ retry_recover:
out:
if (likely(ctxi))
put_context(ctxi);
- mutex_unlock(mutex);
+ if (locked)
+ mutex_unlock(mutex);
atomic_dec_if_positive(&cfg->recovery_threads);
return rc;
}
diff --git a/drivers/scsi/cxlflash/vlun.c b/drivers/scsi/cxlflash/vlun.c
index bdfb93061460..703bf1e9a64a 100644
--- a/drivers/scsi/cxlflash/vlun.c
+++ b/drivers/scsi/cxlflash/vlun.c
@@ -694,11 +694,7 @@ static int shrink_lxt(struct afu *afu,
/* Free LBAs allocated to freed chunks */
mutex_lock(&blka->mutex);
for (i = delta - 1; i >= 0; i--) {
- /* Mask the higher 48 bits before shifting, even though
- * it is a noop
- */
- aun = (lxt_old[my_new_size + i].rlba_base & SISL_ASTATUS_MASK);
- aun = (aun >> MC_CHUNK_SHIFT);
+ aun = lxt_old[my_new_size + i].rlba_base >> MC_CHUNK_SHIFT;
if (needs_ws)
write_same16(sdev, aun, MC_CHUNK_SIZE);
ba_free(&blka->ba_lun, aun);
diff --git a/drivers/scsi/dmx3191d.c b/drivers/scsi/dmx3191d.c
index 6af3394d051d..003c3d726238 100644
--- a/drivers/scsi/dmx3191d.c
+++ b/drivers/scsi/dmx3191d.c
@@ -58,7 +58,7 @@ static struct scsi_host_template dmx3191d_driver_template = {
.info = NCR5380_info,
.queuecommand = NCR5380_queue_command,
.eh_abort_handler = NCR5380_abort,
- .eh_bus_reset_handler = NCR5380_bus_reset,
+ .eh_host_reset_handler = NCR5380_host_reset,
.can_queue = 32,
.this_id = 7,
.sg_tablesize = SG_ALL,
diff --git a/drivers/scsi/dpt_i2o.c b/drivers/scsi/dpt_i2o.c
index 256dd6791fcc..fd172b0890d3 100644
--- a/drivers/scsi/dpt_i2o.c
+++ b/drivers/scsi/dpt_i2o.c
@@ -1169,11 +1169,6 @@ static struct adpt_device* adpt_find_device(adpt_hba* pHba, u32 chan, u32 id, u6
if(chan < 0 || chan >= MAX_CHANNEL)
return NULL;
- if( pHba->channel[chan].device == NULL){
- printk(KERN_DEBUG"Adaptec I2O RAID: Trying to find device before they are allocated\n");
- return NULL;
- }
-
d = pHba->channel[chan].device[id];
if(!d || d->tid == 0) {
return NULL;
diff --git a/drivers/scsi/eata.c b/drivers/scsi/eata.c
index 227dd2c2ec2f..6501c330d8c8 100644
--- a/drivers/scsi/eata.c
+++ b/drivers/scsi/eata.c
@@ -1899,7 +1899,6 @@ static int eata2x_eh_abort(struct scsi_cmnd *SCarg)
static int eata2x_eh_host_reset(struct scsi_cmnd *SCarg)
{
unsigned int i, time, k, c, limit = 0;
- int arg_done = 0;
struct scsi_cmnd *SCpnt;
struct Scsi_Host *shost = SCarg->device->host;
struct hostdata *ha = (struct hostdata *)shost->hostdata;
@@ -1967,9 +1966,6 @@ static int eata2x_eh_host_reset(struct scsi_cmnd *SCarg)
if (SCpnt->scsi_done == NULL)
panic("%s: reset, mbox %d, SCpnt->scsi_done == NULL.\n",
ha->board_name, i);
-
- if (SCpnt == SCarg)
- arg_done = 1;
}
if (do_dma(shost->io_port, 0, RESET_PIO)) {
@@ -2037,10 +2033,7 @@ static int eata2x_eh_host_reset(struct scsi_cmnd *SCarg)
ha->in_reset = 0;
do_trace = 0;
- if (arg_done)
- printk("%s: reset, exit, done.\n", ha->board_name);
- else
- printk("%s: reset, exit.\n", ha->board_name);
+ printk("%s: reset, exit.\n", ha->board_name);
spin_unlock_irq(shost->host_lock);
return SUCCESS;
diff --git a/drivers/scsi/esas2r/esas2r_main.c b/drivers/scsi/esas2r/esas2r_main.c
index f2e9d8aa979c..81f226be3e3b 100644
--- a/drivers/scsi/esas2r/esas2r_main.c
+++ b/drivers/scsi/esas2r/esas2r_main.c
@@ -309,7 +309,7 @@ MODULE_PARM_DESC(interrupt_mode,
"Defines the interrupt mode to use. 0 for legacy"
", 1 for MSI. Default is MSI (1).");
-static struct pci_device_id
+static const struct pci_device_id
esas2r_pci_table[] = {
{ ATTO_VENDOR_ID, 0x0049, ATTO_VENDOR_ID, 0x0049,
0,
diff --git a/drivers/scsi/esp_scsi.c b/drivers/scsi/esp_scsi.c
index 71cb05b1c3eb..c3fc34b9964d 100644
--- a/drivers/scsi/esp_scsi.c
+++ b/drivers/scsi/esp_scsi.c
@@ -597,14 +597,12 @@ static int esp_alloc_lun_tag(struct esp_cmd_entry *ent,
lp->non_tagged_cmd = ent;
return 0;
- } else {
- /* Tagged command, see if blocked by a
- * non-tagged one.
- */
- if (lp->non_tagged_cmd || lp->hold)
- return -EBUSY;
}
+ /* Tagged command. Check that it isn't blocked by a non-tagged one. */
+ if (lp->non_tagged_cmd || lp->hold)
+ return -EBUSY;
+
BUG_ON(lp->tagged_cmds[ent->orig_tag[1]]);
lp->tagged_cmds[ent->orig_tag[1]] = ent;
@@ -1210,12 +1208,6 @@ static int esp_reconnect(struct esp *esp)
esp->active_cmd = ent;
- if (ent->flags & ESP_CMD_FLAG_ABORT) {
- esp->msg_out[0] = ABORT_TASK_SET;
- esp->msg_out_len = 1;
- scsi_esp_cmd(esp, ESP_CMD_SATN);
- }
-
esp_event(esp, ESP_EVENT_CHECK_PHASE);
esp_restore_pointers(esp, ent);
esp->flags |= ESP_FLAG_QUICKIRQ_CHECK;
@@ -1230,9 +1222,6 @@ static int esp_finish_select(struct esp *esp)
{
struct esp_cmd_entry *ent;
struct scsi_cmnd *cmd;
- u8 orig_select_state;
-
- orig_select_state = esp->select_state;
/* No longer selecting. */
esp->select_state = ESP_SELECT_NONE;
@@ -1496,9 +1485,8 @@ static void esp_msgin_reject(struct esp *esp)
return;
}
- esp->msg_out[0] = ABORT_TASK_SET;
- esp->msg_out_len = 1;
- scsi_esp_cmd(esp, ESP_CMD_SATN);
+ shost_printk(KERN_INFO, esp->host, "Unexpected MESSAGE REJECT\n");
+ esp_schedule_reset(esp);
}
static void esp_msgin_sdtr(struct esp *esp, struct esp_target_data *tp)
@@ -1621,7 +1609,7 @@ static void esp_msgin_extended(struct esp *esp)
shost_printk(KERN_INFO, esp->host,
"Unexpected extended msg type %x\n", esp->msg_in[2]);
- esp->msg_out[0] = ABORT_TASK_SET;
+ esp->msg_out[0] = MESSAGE_REJECT;
esp->msg_out_len = 1;
scsi_esp_cmd(esp, ESP_CMD_SATN);
}
@@ -1745,7 +1733,6 @@ again:
return 0;
}
goto again;
- break;
case ESP_EVENT_DATA_IN:
write = 1;
@@ -1956,12 +1943,16 @@ again:
} else {
if (esp->msg_out_len > 1)
esp->ops->dma_invalidate(esp);
- }
- if (!(esp->ireg & ESP_INTR_DC)) {
- if (esp->rev != FASHME)
+ /* XXX if the chip went into disconnected mode,
+ * we can't run the phase state machine anyway.
+ */
+ if (!(esp->ireg & ESP_INTR_DC))
scsi_esp_cmd(esp, ESP_CMD_NULL);
}
+
+ esp->msg_out_len = 0;
+
esp_event(esp, ESP_EVENT_CHECK_PHASE);
goto again;
case ESP_EVENT_MSGIN:
@@ -1998,6 +1989,10 @@ again:
scsi_esp_cmd(esp, ESP_CMD_MOK);
+ /* Check whether a bus reset is to be done next */
+ if (esp->event == ESP_EVENT_RESET)
+ return 0;
+
if (esp->event != ESP_EVENT_FREE_BUS)
esp_event(esp, ESP_EVENT_CHECK_PHASE);
} else {
@@ -2022,7 +2017,6 @@ again:
}
esp_schedule_reset(esp);
return 0;
- break;
case ESP_EVENT_RESET:
scsi_esp_cmd(esp, ESP_CMD_RS);
@@ -2033,7 +2027,6 @@ again:
"Unexpected event %x, resetting\n", esp->event);
esp_schedule_reset(esp);
return 0;
- break;
}
return 1;
}
@@ -2170,14 +2163,14 @@ static void __esp_interrupt(struct esp *esp)
esp_schedule_reset(esp);
} else {
- if (!(esp->ireg & ESP_INTR_RSEL)) {
- /* Some combination of FDONE, BSERV, DC. */
- if (esp->select_state != ESP_SELECT_NONE)
- intr_done = esp_finish_select(esp);
- } else if (esp->ireg & ESP_INTR_RSEL) {
+ if (esp->ireg & ESP_INTR_RSEL) {
if (esp->active_cmd)
(void) esp_finish_select(esp);
intr_done = esp_reconnect(esp);
+ } else {
+ /* Some combination of FDONE, BSERV, DC. */
+ if (esp->select_state != ESP_SELECT_NONE)
+ intr_done = esp_finish_select(esp);
}
}
while (!intr_done)
diff --git a/drivers/scsi/esp_scsi.h b/drivers/scsi/esp_scsi.h
index 84dcbe4a6268..7e8932ae91f8 100644
--- a/drivers/scsi/esp_scsi.h
+++ b/drivers/scsi/esp_scsi.h
@@ -281,7 +281,6 @@ struct esp_cmd_entry {
u8 flags;
#define ESP_CMD_FLAG_WRITE 0x01 /* DMA is a write */
-#define ESP_CMD_FLAG_ABORT 0x02 /* being aborted */
#define ESP_CMD_FLAG_AUTOSENSE 0x04 /* Doing automatic REQUEST_SENSE */
#define ESP_CMD_FLAG_RESIDUAL 0x08 /* AM53c974 BLAST residual */
diff --git a/drivers/scsi/fcoe/fcoe_sysfs.c b/drivers/scsi/fcoe/fcoe_sysfs.c
index 9cf3d56296ab..5c8310bade61 100644
--- a/drivers/scsi/fcoe/fcoe_sysfs.c
+++ b/drivers/scsi/fcoe/fcoe_sysfs.c
@@ -659,13 +659,13 @@ static void fcoe_fcf_device_release(struct device *dev)
kfree(fcf);
}
-static struct device_type fcoe_ctlr_device_type = {
+static const struct device_type fcoe_ctlr_device_type = {
.name = "fcoe_ctlr",
.groups = fcoe_ctlr_attr_groups,
.release = fcoe_ctlr_device_release,
};
-static struct device_type fcoe_fcf_device_type = {
+static const struct device_type fcoe_fcf_device_type = {
.name = "fcoe_fcf",
.groups = fcoe_fcf_attr_groups,
.release = fcoe_fcf_device_release,
diff --git a/drivers/scsi/fdomain.c b/drivers/scsi/fdomain.c
index b87ab38a4530..ebbe5a3e665d 100644
--- a/drivers/scsi/fdomain.c
+++ b/drivers/scsi/fdomain.c
@@ -933,7 +933,7 @@ struct Scsi_Host *__fdomain_16x0_detect(struct scsi_host_template *tpnt )
}
}
- fdomain_16x0_bus_reset(NULL);
+ fdomain_16x0_host_reset(NULL);
if (fdomain_test_loopback()) {
printk(KERN_ERR "scsi: <fdomain> Detection failed (loopback test failed at port base 0x%x)\n", port_base);
@@ -1568,7 +1568,7 @@ static int fdomain_16x0_abort(struct scsi_cmnd *SCpnt)
return SUCCESS;
}
-int fdomain_16x0_bus_reset(struct scsi_cmnd *SCpnt)
+int fdomain_16x0_host_reset(struct scsi_cmnd *SCpnt)
{
unsigned long flags;
@@ -1758,7 +1758,7 @@ struct scsi_host_template fdomain_driver_template = {
.info = fdomain_16x0_info,
.queuecommand = fdomain_16x0_queue,
.eh_abort_handler = fdomain_16x0_abort,
- .eh_bus_reset_handler = fdomain_16x0_bus_reset,
+ .eh_host_reset_handler = fdomain_16x0_host_reset,
.bios_param = fdomain_16x0_biosparam,
.release = fdomain_16x0_release,
.can_queue = 1,
diff --git a/drivers/scsi/fdomain.h b/drivers/scsi/fdomain.h
index 47021d9d4fe4..5cbe86b573ae 100644
--- a/drivers/scsi/fdomain.h
+++ b/drivers/scsi/fdomain.h
@@ -21,4 +21,4 @@
extern struct scsi_host_template fdomain_driver_template;
extern int fdomain_setup(char *str);
extern struct Scsi_Host *__fdomain_16x0_detect(struct scsi_host_template *tpnt );
-extern int fdomain_16x0_bus_reset(struct scsi_cmnd *SCpnt);
+extern int fdomain_16x0_host_reset(struct scsi_cmnd *SCpnt);
diff --git a/drivers/scsi/fnic/fnic.h b/drivers/scsi/fnic/fnic.h
index 67aab965c0f4..d094ba59ed15 100644
--- a/drivers/scsi/fnic/fnic.h
+++ b/drivers/scsi/fnic/fnic.h
@@ -180,7 +180,7 @@ enum fnic_msix_intr_index {
struct fnic_msix_entry {
int requested;
- char devname[IFNAMSIZ];
+ char devname[IFNAMSIZ + 11];
irqreturn_t (*isr)(int, void *);
void *devid;
};
diff --git a/drivers/scsi/fnic/fnic_scsi.c b/drivers/scsi/fnic/fnic_scsi.c
index 6c0646d62dfb..242e2ee494a1 100644
--- a/drivers/scsi/fnic/fnic_scsi.c
+++ b/drivers/scsi/fnic/fnic_scsi.c
@@ -1990,10 +1990,6 @@ int fnic_abort_cmd(struct scsi_cmnd *sc)
FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host,
"Issuing Host reset due to out of order IO\n");
- if (fnic_host_reset(sc) == FAILED) {
- FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host,
- "fnic_host_reset failed.\n");
- }
ret = FAILED;
goto fnic_abort_cmd_end;
}
diff --git a/drivers/scsi/g_NCR5380.c b/drivers/scsi/g_NCR5380.c
index c34fc91ba486..fc538181f8df 100644
--- a/drivers/scsi/g_NCR5380.c
+++ b/drivers/scsi/g_NCR5380.c
@@ -1,17 +1,17 @@
/*
* Generic Generic NCR5380 driver
- *
+ *
* Copyright 1993, Drew Eckhardt
- * Visionary Computing
- * (Unix and Linux consulting and custom programming)
- * drew@colorado.edu
- * +1 (303) 440-4894
+ * Visionary Computing
+ * (Unix and Linux consulting and custom programming)
+ * drew@colorado.edu
+ * +1 (303) 440-4894
*
* NCR53C400 extensions (c) 1994,1995,1996, Kevin Lentin
- * K.Lentin@cs.monash.edu.au
+ * K.Lentin@cs.monash.edu.au
*
* NCR53C400A extensions (c) 1996, Ingmar Baumgart
- * ingmar@gonzo.schwaben.de
+ * ingmar@gonzo.schwaben.de
*
* DTC3181E extensions (c) 1997, Ronald van Cuijlenborg
* ronald.van.cuijlenborg@tip.nl or nutty@dds.nl
@@ -44,17 +44,19 @@
int c400_ctl_status; \
int c400_blk_cnt; \
int c400_host_buf; \
- int io_width
+ int io_width; \
+ int pdma_residual; \
+ int board
#define NCR5380_dma_xfer_len generic_NCR5380_dma_xfer_len
-#define NCR5380_dma_recv_setup generic_NCR5380_pread
-#define NCR5380_dma_send_setup generic_NCR5380_pwrite
-#define NCR5380_dma_residual NCR5380_dma_residual_none
+#define NCR5380_dma_recv_setup generic_NCR5380_precv
+#define NCR5380_dma_send_setup generic_NCR5380_psend
+#define NCR5380_dma_residual generic_NCR5380_dma_residual
#define NCR5380_intr generic_NCR5380_intr
#define NCR5380_queue_command generic_NCR5380_queue_command
#define NCR5380_abort generic_NCR5380_abort
-#define NCR5380_bus_reset generic_NCR5380_bus_reset
+#define NCR5380_host_reset generic_NCR5380_host_reset
#define NCR5380_info generic_NCR5380_info
#define NCR5380_io_delay(x) udelay(x)
@@ -76,6 +78,7 @@
#define IRQ_AUTO 254
#define MAX_CARDS 8
+#define DMA_MAX_SIZE 32768
/* old-style parameters for compatibility */
static int ncr_irq = -1;
@@ -314,6 +317,7 @@ static int generic_NCR5380_init_one(struct scsi_host_template *tpnt,
}
hostdata = shost_priv(instance);
+ hostdata->board = board;
hostdata->io = iomem;
hostdata->region_size = region_size;
@@ -478,180 +482,210 @@ static void generic_NCR5380_release_resources(struct Scsi_Host *instance)
release_mem_region(base, region_size);
}
+/* wait_for_53c80_access - wait for 53C80 registers to become accessible
+ * @hostdata: scsi host private data
+ *
+ * The registers within the 53C80 logic block are inaccessible until
+ * bit 7 in the 53C400 control status register gets asserted.
+ */
+
+static void wait_for_53c80_access(struct NCR5380_hostdata *hostdata)
+{
+ int count = 10000;
+
+ do {
+ if (hostdata->board == BOARD_DTC3181E)
+ udelay(4); /* DTC436 chip hangs without this */
+ if (NCR5380_read(hostdata->c400_ctl_status) & CSR_53C80_REG)
+ return;
+ } while (--count > 0);
+
+ scmd_printk(KERN_ERR, hostdata->connected,
+ "53c80 registers not accessible, device will be reset\n");
+ NCR5380_write(hostdata->c400_ctl_status, CSR_RESET);
+ NCR5380_write(hostdata->c400_ctl_status, CSR_BASE);
+}
+
/**
- * generic_NCR5380_pread - pseudo DMA read
- * @hostdata: scsi host private data
- * @dst: buffer to read into
- * @len: buffer length
+ * generic_NCR5380_precv - pseudo DMA receive
+ * @hostdata: scsi host private data
+ * @dst: buffer to write into
+ * @len: transfer size
*
- * Perform a pseudo DMA mode read from an NCR53C400 or equivalent
- * controller
+ * Perform a pseudo DMA mode receive from a 53C400 or equivalent device.
*/
-
-static inline int generic_NCR5380_pread(struct NCR5380_hostdata *hostdata,
+
+static inline int generic_NCR5380_precv(struct NCR5380_hostdata *hostdata,
unsigned char *dst, int len)
{
- int blocks = len / 128;
+ int residual;
int start = 0;
NCR5380_write(hostdata->c400_ctl_status, CSR_BASE | CSR_TRANS_DIR);
- NCR5380_write(hostdata->c400_blk_cnt, blocks);
- while (1) {
- if (NCR5380_read(hostdata->c400_blk_cnt) == 0)
- break;
- if (NCR5380_read(hostdata->c400_ctl_status) & CSR_GATED_53C80_IRQ) {
- printk(KERN_ERR "53C400r: Got 53C80_IRQ start=%d, blocks=%d\n", start, blocks);
- return -1;
+ NCR5380_write(hostdata->c400_blk_cnt, len / 128);
+
+ do {
+ if (start == len - 128) {
+ /* Ignore End of DMA interrupt for the final buffer */
+ if (NCR5380_poll_politely(hostdata, hostdata->c400_ctl_status,
+ CSR_HOST_BUF_NOT_RDY, 0, HZ / 64) < 0)
+ break;
+ } else {
+ if (NCR5380_poll_politely2(hostdata, hostdata->c400_ctl_status,
+ CSR_HOST_BUF_NOT_RDY, 0,
+ hostdata->c400_ctl_status,
+ CSR_GATED_53C80_IRQ,
+ CSR_GATED_53C80_IRQ, HZ / 64) < 0 ||
+ NCR5380_read(hostdata->c400_ctl_status) & CSR_HOST_BUF_NOT_RDY)
+ break;
}
- while (NCR5380_read(hostdata->c400_ctl_status) & CSR_HOST_BUF_NOT_RDY)
- ; /* FIXME - no timeout */
if (hostdata->io_port && hostdata->io_width == 2)
insw(hostdata->io_port + hostdata->c400_host_buf,
- dst + start, 64);
+ dst + start, 64);
else if (hostdata->io_port)
insb(hostdata->io_port + hostdata->c400_host_buf,
- dst + start, 128);
+ dst + start, 128);
else
memcpy_fromio(dst + start,
hostdata->io + NCR53C400_host_buffer, 128);
-
start += 128;
- blocks--;
- }
+ } while (start < len);
- if (blocks) {
- while (NCR5380_read(hostdata->c400_ctl_status) & CSR_HOST_BUF_NOT_RDY)
- ; /* FIXME - no timeout */
+ residual = len - start;
- if (hostdata->io_port && hostdata->io_width == 2)
- insw(hostdata->io_port + hostdata->c400_host_buf,
- dst + start, 64);
- else if (hostdata->io_port)
- insb(hostdata->io_port + hostdata->c400_host_buf,
- dst + start, 128);
- else
- memcpy_fromio(dst + start,
- hostdata->io + NCR53C400_host_buffer, 128);
-
- start += 128;
- blocks--;
+ if (residual != 0) {
+ /* 53c80 interrupt or transfer timeout. Reset 53c400 logic. */
+ NCR5380_write(hostdata->c400_ctl_status, CSR_RESET);
+ NCR5380_write(hostdata->c400_ctl_status, CSR_BASE);
}
+ wait_for_53c80_access(hostdata);
- if (!(NCR5380_read(hostdata->c400_ctl_status) & CSR_GATED_53C80_IRQ))
- printk("53C400r: no 53C80 gated irq after transfer");
+ if (residual == 0 && NCR5380_poll_politely(hostdata, BUS_AND_STATUS_REG,
+ BASR_END_DMA_TRANSFER,
+ BASR_END_DMA_TRANSFER,
+ HZ / 64) < 0)
+ scmd_printk(KERN_ERR, hostdata->connected, "%s: End of DMA timeout\n",
+ __func__);
- /* wait for 53C80 registers to be available */
- while (!(NCR5380_read(hostdata->c400_ctl_status) & CSR_53C80_REG))
- ;
+ hostdata->pdma_residual = residual;
- if (!(NCR5380_read(BUS_AND_STATUS_REG) & BASR_END_DMA_TRANSFER))
- printk(KERN_ERR "53C400r: no end dma signal\n");
-
return 0;
}
/**
- * generic_NCR5380_pwrite - pseudo DMA write
- * @hostdata: scsi host private data
- * @dst: buffer to read into
- * @len: buffer length
+ * generic_NCR5380_psend - pseudo DMA send
+ * @hostdata: scsi host private data
+ * @src: buffer to read from
+ * @len: transfer size
*
- * Perform a pseudo DMA mode read from an NCR53C400 or equivalent
- * controller
+ * Perform a pseudo DMA mode send to a 53C400 or equivalent device.
*/
-static inline int generic_NCR5380_pwrite(struct NCR5380_hostdata *hostdata,
- unsigned char *src, int len)
+static inline int generic_NCR5380_psend(struct NCR5380_hostdata *hostdata,
+ unsigned char *src, int len)
{
- int blocks = len / 128;
+ int residual;
int start = 0;
NCR5380_write(hostdata->c400_ctl_status, CSR_BASE);
- NCR5380_write(hostdata->c400_blk_cnt, blocks);
- while (1) {
- if (NCR5380_read(hostdata->c400_ctl_status) & CSR_GATED_53C80_IRQ) {
- printk(KERN_ERR "53C400w: Got 53C80_IRQ start=%d, blocks=%d\n", start, blocks);
- return -1;
+ NCR5380_write(hostdata->c400_blk_cnt, len / 128);
+
+ do {
+ if (NCR5380_poll_politely2(hostdata, hostdata->c400_ctl_status,
+ CSR_HOST_BUF_NOT_RDY, 0,
+ hostdata->c400_ctl_status,
+ CSR_GATED_53C80_IRQ,
+ CSR_GATED_53C80_IRQ, HZ / 64) < 0 ||
+ NCR5380_read(hostdata->c400_ctl_status) & CSR_HOST_BUF_NOT_RDY) {
+ /* Both 128 B buffers are in use */
+ if (start >= 128)
+ start -= 128;
+ if (start >= 128)
+ start -= 128;
+ break;
}
- if (NCR5380_read(hostdata->c400_blk_cnt) == 0)
+ if (start >= len && NCR5380_read(hostdata->c400_blk_cnt) == 0)
break;
- while (NCR5380_read(hostdata->c400_ctl_status) & CSR_HOST_BUF_NOT_RDY)
- ; // FIXME - timeout
- if (hostdata->io_port && hostdata->io_width == 2)
- outsw(hostdata->io_port + hostdata->c400_host_buf,
- src + start, 64);
- else if (hostdata->io_port)
- outsb(hostdata->io_port + hostdata->c400_host_buf,
- src + start, 128);
- else
- memcpy_toio(hostdata->io + NCR53C400_host_buffer,
- src + start, 128);
+ if (NCR5380_read(hostdata->c400_ctl_status) & CSR_GATED_53C80_IRQ) {
+ /* Host buffer is empty, other one is in use */
+ if (start >= 128)
+ start -= 128;
+ break;
+ }
- start += 128;
- blocks--;
- }
- if (blocks) {
- while (NCR5380_read(hostdata->c400_ctl_status) & CSR_HOST_BUF_NOT_RDY)
- ; // FIXME - no timeout
+ if (start >= len)
+ continue;
if (hostdata->io_port && hostdata->io_width == 2)
outsw(hostdata->io_port + hostdata->c400_host_buf,
- src + start, 64);
+ src + start, 64);
else if (hostdata->io_port)
outsb(hostdata->io_port + hostdata->c400_host_buf,
- src + start, 128);
+ src + start, 128);
else
memcpy_toio(hostdata->io + NCR53C400_host_buffer,
src + start, 128);
-
start += 128;
- blocks--;
- }
+ } while (1);
- /* wait for 53C80 registers to be available */
- while (!(NCR5380_read(hostdata->c400_ctl_status) & CSR_53C80_REG)) {
- udelay(4); /* DTC436 chip hangs without this */
- /* FIXME - no timeout */
- }
+ residual = len - start;
- if (!(NCR5380_read(BUS_AND_STATUS_REG) & BASR_END_DMA_TRANSFER)) {
- printk(KERN_ERR "53C400w: no end dma signal\n");
+ if (residual != 0) {
+ /* 53c80 interrupt or transfer timeout. Reset 53c400 logic. */
+ NCR5380_write(hostdata->c400_ctl_status, CSR_RESET);
+ NCR5380_write(hostdata->c400_ctl_status, CSR_BASE);
}
+ wait_for_53c80_access(hostdata);
+
+ if (residual == 0) {
+ if (NCR5380_poll_politely(hostdata, TARGET_COMMAND_REG,
+ TCR_LAST_BYTE_SENT, TCR_LAST_BYTE_SENT,
+ HZ / 64) < 0)
+ scmd_printk(KERN_ERR, hostdata->connected,
+ "%s: Last Byte Sent timeout\n", __func__);
+
+ if (NCR5380_poll_politely(hostdata, BUS_AND_STATUS_REG,
+ BASR_END_DMA_TRANSFER, BASR_END_DMA_TRANSFER,
+ HZ / 64) < 0)
+ scmd_printk(KERN_ERR, hostdata->connected, "%s: End of DMA timeout\n",
+ __func__);
+ }
+
+ hostdata->pdma_residual = residual;
- while (!(NCR5380_read(TARGET_COMMAND_REG) & TCR_LAST_BYTE_SENT))
- ; // TIMEOUT
return 0;
}
static int generic_NCR5380_dma_xfer_len(struct NCR5380_hostdata *hostdata,
struct scsi_cmnd *cmd)
{
- int transfersize = cmd->transfersize;
+ int transfersize = cmd->SCp.this_residual;
if (hostdata->flags & FLAG_NO_PSEUDO_DMA)
return 0;
- /* Limit transfers to 32K, for xx400 & xx406
- * pseudoDMA that transfers in 128 bytes blocks.
- */
- if (transfersize > 32 * 1024 && cmd->SCp.this_residual &&
- !(cmd->SCp.this_residual % transfersize))
- transfersize = 32 * 1024;
-
/* 53C400 datasheet: non-modulo-128-byte transfers should use PIO */
if (transfersize % 128)
- transfersize = 0;
+ return 0;
+
+ /* Limit PDMA send to 512 B to avoid random corruption on DTC3181E */
+ if (hostdata->board == BOARD_DTC3181E &&
+ cmd->sc_data_direction == DMA_TO_DEVICE)
+ transfersize = min(cmd->SCp.this_residual, 512);
- return transfersize;
+ return min(transfersize, DMA_MAX_SIZE);
}
-/*
- * Include the NCR5380 core code that we build our driver around
- */
-
+static int generic_NCR5380_dma_residual(struct NCR5380_hostdata *hostdata)
+{
+ return hostdata->pdma_residual;
+}
+
+/* Include the core driver code. */
+
#include "NCR5380.c"
static struct scsi_host_template driver_template = {
@@ -661,7 +695,7 @@ static struct scsi_host_template driver_template = {
.info = generic_NCR5380_info,
.queuecommand = generic_NCR5380_queue_command,
.eh_abort_handler = generic_NCR5380_abort,
- .eh_bus_reset_handler = generic_NCR5380_bus_reset,
+ .eh_host_reset_handler = generic_NCR5380_host_reset,
.can_queue = 16,
.this_id = 7,
.sg_tablesize = SG_ALL,
@@ -671,11 +705,10 @@ static struct scsi_host_template driver_template = {
.max_sectors = 128,
};
-
static int generic_NCR5380_isa_match(struct device *pdev, unsigned int ndev)
{
int ret = generic_NCR5380_init_one(&driver_template, pdev, base[ndev],
- irq[ndev], card[ndev]);
+ irq[ndev], card[ndev]);
if (ret) {
if (base[ndev])
printk(KERN_WARNING "Card not found at address 0x%03x\n",
@@ -687,7 +720,7 @@ static int generic_NCR5380_isa_match(struct device *pdev, unsigned int ndev)
}
static int generic_NCR5380_isa_remove(struct device *pdev,
- unsigned int ndev)
+ unsigned int ndev)
{
generic_NCR5380_release_resources(dev_get_drvdata(pdev));
dev_set_drvdata(pdev, NULL);
@@ -703,14 +736,14 @@ static struct isa_driver generic_NCR5380_isa_driver = {
};
#ifdef CONFIG_PNP
-static struct pnp_device_id generic_NCR5380_pnp_ids[] = {
+static const struct pnp_device_id generic_NCR5380_pnp_ids[] = {
{ .id = "DTC436e", .driver_data = BOARD_DTC3181E },
{ .id = "" }
};
MODULE_DEVICE_TABLE(pnp, generic_NCR5380_pnp_ids);
static int generic_NCR5380_pnp_probe(struct pnp_dev *pdev,
- const struct pnp_device_id *id)
+ const struct pnp_device_id *id)
{
int base, irq;
@@ -721,7 +754,7 @@ static int generic_NCR5380_pnp_probe(struct pnp_dev *pdev,
irq = pnp_irq(pdev, 0);
return generic_NCR5380_init_one(&driver_template, &pdev->dev, base, irq,
- id->driver_data);
+ id->driver_data);
}
static void generic_NCR5380_pnp_remove(struct pnp_dev *pdev)
diff --git a/drivers/scsi/gdth.c b/drivers/scsi/gdth.c
index facc7271f932..a4473356a9dc 100644
--- a/drivers/scsi/gdth.c
+++ b/drivers/scsi/gdth.c
@@ -2354,7 +2354,7 @@ static int gdth_internal_cache_cmd(gdth_ha_str *ha, Scsi_Cmnd *scp)
inq.resp_aenc = 2;
inq.add_length= 32;
strcpy(inq.vendor,ha->oem_name);
- sprintf(inq.product,"Host Drive #%02d",t);
+ snprintf(inq.product, sizeof(inq.product), "Host Drive #%02d",t);
strcpy(inq.revision," ");
gdth_copy_internal_data(ha, scp, (char*)&inq, sizeof(gdth_inq_data));
break;
diff --git a/drivers/scsi/gdth_proc.c b/drivers/scsi/gdth_proc.c
index be609db66807..d08b2716752c 100644
--- a/drivers/scsi/gdth_proc.c
+++ b/drivers/scsi/gdth_proc.c
@@ -147,7 +147,7 @@ int gdth_show_info(struct seq_file *m, struct Scsi_Host *host)
gdth_cmd_str *gdtcmd;
gdth_evt_str *estr;
- char hrec[161];
+ char hrec[277];
char *buf;
gdth_dskstat_str *pds;
diff --git a/drivers/scsi/gvp11.c b/drivers/scsi/gvp11.c
index 3b6f83ffddc4..a27fc49ebd3a 100644
--- a/drivers/scsi/gvp11.c
+++ b/drivers/scsi/gvp11.c
@@ -171,23 +171,6 @@ static void dma_stop(struct Scsi_Host *instance, struct scsi_cmnd *SCpnt,
}
}
-static int gvp11_bus_reset(struct scsi_cmnd *cmd)
-{
- struct Scsi_Host *instance = cmd->device->host;
-
- /* FIXME perform bus-specific reset */
-
- /* FIXME 2: shouldn't we no-op this function (return
- FAILED), and fall back to host reset function,
- wd33c93_host_reset ? */
-
- spin_lock_irq(instance->host_lock);
- wd33c93_host_reset(cmd);
- spin_unlock_irq(instance->host_lock);
-
- return SUCCESS;
-}
-
static struct scsi_host_template gvp11_scsi_template = {
.module = THIS_MODULE,
.name = "GVP Series II SCSI",
@@ -196,7 +179,6 @@ static struct scsi_host_template gvp11_scsi_template = {
.proc_name = "GVP11",
.queuecommand = wd33c93_queuecommand,
.eh_abort_handler = wd33c93_abort,
- .eh_bus_reset_handler = gvp11_bus_reset,
.eh_host_reset_handler = wd33c93_host_reset,
.can_queue = CAN_QUEUE,
.this_id = 7,
diff --git a/drivers/scsi/hisi_sas/hisi_sas.h b/drivers/scsi/hisi_sas/hisi_sas.h
index a722f2bd72ab..07f4a4cfbec1 100644
--- a/drivers/scsi/hisi_sas/hisi_sas.h
+++ b/drivers/scsi/hisi_sas/hisi_sas.h
@@ -15,6 +15,7 @@
#include <linux/acpi.h>
#include <linux/clk.h>
#include <linux/dmapool.h>
+#include <linux/iopoll.h>
#include <linux/mfd/syscon.h>
#include <linux/module.h>
#include <linux/of_address.h>
@@ -25,14 +26,13 @@
#include <scsi/sas_ata.h>
#include <scsi/libsas.h>
-#define DRV_VERSION "v1.6"
-
#define HISI_SAS_MAX_PHYS 9
#define HISI_SAS_MAX_QUEUES 32
#define HISI_SAS_QUEUE_SLOTS 512
#define HISI_SAS_MAX_ITCT_ENTRIES 2048
#define HISI_SAS_MAX_DEVICES HISI_SAS_MAX_ITCT_ENTRIES
#define HISI_SAS_RESET_BIT 0
+#define HISI_SAS_REJECT_CMD_BIT 1
#define HISI_SAS_STATUS_BUF_SZ (sizeof(struct hisi_sas_status_buffer))
#define HISI_SAS_COMMAND_TABLE_SZ (sizeof(union hisi_sas_command_table))
@@ -90,6 +90,14 @@ enum hisi_sas_dev_type {
HISI_SAS_DEV_TYPE_SATA,
};
+struct hisi_sas_hw_error {
+ u32 irq_msk;
+ u32 msk;
+ int shift;
+ const char *msg;
+ int reg;
+};
+
struct hisi_sas_phy {
struct hisi_hba *hisi_hba;
struct hisi_sas_port *port;
@@ -132,6 +140,7 @@ struct hisi_sas_dq {
struct hisi_sas_device {
struct hisi_hba *hisi_hba;
struct domain_device *sas_device;
+ struct completion *completion;
struct hisi_sas_dq *dq;
struct list_head list;
u64 attached_phy;
@@ -192,6 +201,7 @@ struct hisi_sas_hw {
void (*phy_enable)(struct hisi_hba *hisi_hba, int phy_no);
void (*phy_disable)(struct hisi_hba *hisi_hba, int phy_no);
void (*phy_hard_reset)(struct hisi_hba *hisi_hba, int phy_no);
+ void (*get_events)(struct hisi_hba *hisi_hba, int phy_no);
void (*phy_set_linkrate)(struct hisi_hba *hisi_hba, int phy_no,
struct sas_phy_linkrates *linkrates);
enum sas_linkrate (*phy_get_max_linkrate)(void);
@@ -201,6 +211,7 @@ struct hisi_sas_hw {
void (*dereg_device)(struct hisi_hba *hisi_hba,
struct domain_device *device);
int (*soft_reset)(struct hisi_hba *hisi_hba);
+ u32 (*get_phys_state)(struct hisi_hba *hisi_hba);
int max_command_entries;
int complete_hdr_size;
};
@@ -390,6 +401,7 @@ struct hisi_sas_slot_buf_table {
extern struct scsi_transport_template *hisi_sas_stt;
extern struct scsi_host_template *hisi_sas_sht;
+extern void hisi_sas_stop_phys(struct hisi_hba *hisi_hba);
extern void hisi_sas_init_add(struct hisi_hba *hisi_hba);
extern int hisi_sas_alloc(struct hisi_hba *hisi_hba, struct Scsi_Host *shost);
extern void hisi_sas_free(struct hisi_hba *hisi_hba);
@@ -408,6 +420,4 @@ extern void hisi_sas_slot_task_free(struct hisi_hba *hisi_hba,
struct sas_task *task,
struct hisi_sas_slot *slot);
extern void hisi_sas_init_mem(struct hisi_hba *hisi_hba);
-extern void hisi_sas_rescan_topology(struct hisi_hba *hisi_hba, u32 old_state,
- u32 state);
#endif
diff --git a/drivers/scsi/hisi_sas/hisi_sas_main.c b/drivers/scsi/hisi_sas/hisi_sas_main.c
index 4022c3f8295f..16664f2e15fb 100644
--- a/drivers/scsi/hisi_sas/hisi_sas_main.c
+++ b/drivers/scsi/hisi_sas/hisi_sas_main.c
@@ -61,6 +61,7 @@ u8 hisi_sas_get_ata_protocol(u8 cmd, int direction)
case ATA_CMD_WRITE_QUEUED:
case ATA_CMD_WRITE_LOG_DMA_EXT:
case ATA_CMD_WRITE_STREAM_DMA_EXT:
+ case ATA_CMD_ZAC_MGMT_IN:
return HISI_SAS_SATA_PROTOCOL_DMA;
case ATA_CMD_CHK_POWER:
@@ -73,6 +74,7 @@ u8 hisi_sas_get_ata_protocol(u8 cmd, int direction)
case ATA_CMD_SET_FEATURES:
case ATA_CMD_STANDBY:
case ATA_CMD_STANDBYNOW1:
+ case ATA_CMD_ZAC_MGMT_OUT:
return HISI_SAS_SATA_PROTOCOL_NONDATA;
default:
if (direction == DMA_NONE)
@@ -125,6 +127,15 @@ struct hisi_sas_port *to_hisi_sas_port(struct asd_sas_port *sas_port)
}
EXPORT_SYMBOL_GPL(to_hisi_sas_port);
+void hisi_sas_stop_phys(struct hisi_hba *hisi_hba)
+{
+ int phy_no;
+
+ for (phy_no = 0; phy_no < hisi_hba->n_phy; phy_no++)
+ hisi_hba->hw->phy_disable(hisi_hba, phy_no);
+}
+EXPORT_SYMBOL_GPL(hisi_sas_stop_phys);
+
static void hisi_sas_slot_index_clear(struct hisi_hba *hisi_hba, int slot_idx)
{
void *bitmap = hisi_hba->slot_index_tags;
@@ -433,7 +444,7 @@ static int hisi_sas_task_exec(struct sas_task *task, gfp_t gfp_flags,
struct hisi_sas_device *sas_dev = device->lldd_dev;
struct hisi_sas_dq *dq = sas_dev->dq;
- if (unlikely(test_bit(HISI_SAS_RESET_BIT, &hisi_hba->flags)))
+ if (unlikely(test_bit(HISI_SAS_REJECT_CMD_BIT, &hisi_hba->flags)))
return -EINVAL;
/* protect task_prep and start_delivery sequence */
@@ -716,7 +727,6 @@ static void hisi_sas_dev_gone(struct domain_device *device)
struct hisi_sas_device *sas_dev = device->lldd_dev;
struct hisi_hba *hisi_hba = dev_to_hisi_hba(device);
struct device *dev = hisi_hba->dev;
- int dev_id = sas_dev->device_id;
dev_info(dev, "found dev[%d:%x] is gone\n",
sas_dev->device_id, sas_dev->dev_type);
@@ -729,9 +739,7 @@ static void hisi_sas_dev_gone(struct domain_device *device)
hisi_hba->hw->free_device(hisi_hba, sas_dev);
device->lldd_dev = NULL;
memset(sas_dev, 0, sizeof(*sas_dev));
- sas_dev->device_id = dev_id;
sas_dev->dev_type = SAS_PHY_UNUSED;
- sas_dev->dev_status = HISI_SAS_DEV_NORMAL;
}
static int hisi_sas_queue_command(struct sas_task *task, gfp_t gfp_flags)
@@ -764,7 +772,12 @@ static int hisi_sas_control_phy(struct asd_sas_phy *sas_phy, enum phy_func func,
case PHY_FUNC_SET_LINK_RATE:
hisi_hba->hw->phy_set_linkrate(hisi_hba, phy_no, funcdata);
break;
-
+ case PHY_FUNC_GET_EVENTS:
+ if (hisi_hba->hw->get_events) {
+ hisi_hba->hw->get_events(hisi_hba, phy_no);
+ break;
+ }
+ /* fallthru */
case PHY_FUNC_RELEASE_SPINUP_HOLD:
default:
return -EOPNOTSUPP;
@@ -967,37 +980,117 @@ static int hisi_sas_debug_issue_ssp_tmf(struct domain_device *device,
sizeof(ssp_task), tmf);
}
+static void hisi_sas_refresh_port_id(struct hisi_hba *hisi_hba,
+ struct asd_sas_port *sas_port, enum sas_linkrate linkrate)
+{
+ struct hisi_sas_device *sas_dev;
+ struct domain_device *device;
+ int i;
+
+ for (i = 0; i < HISI_SAS_MAX_DEVICES; i++) {
+ sas_dev = &hisi_hba->devices[i];
+ device = sas_dev->sas_device;
+ if ((sas_dev->dev_type == SAS_PHY_UNUSED)
+ || !device || (device->port != sas_port))
+ continue;
+
+ hisi_hba->hw->free_device(hisi_hba, sas_dev);
+
+ /* Update linkrate of directly attached device. */
+ if (!device->parent)
+ device->linkrate = linkrate;
+
+ hisi_hba->hw->setup_itct(hisi_hba, sas_dev);
+ }
+}
+
+static void hisi_sas_rescan_topology(struct hisi_hba *hisi_hba, u32 old_state,
+ u32 state)
+{
+ struct sas_ha_struct *sas_ha = &hisi_hba->sha;
+ struct asd_sas_port *_sas_port = NULL;
+ int phy_no;
+
+ for (phy_no = 0; phy_no < hisi_hba->n_phy; phy_no++) {
+ struct hisi_sas_phy *phy = &hisi_hba->phy[phy_no];
+ struct asd_sas_phy *sas_phy = &phy->sas_phy;
+ struct asd_sas_port *sas_port = sas_phy->port;
+ struct hisi_sas_port *port = to_hisi_sas_port(sas_port);
+ bool do_port_check = !!(_sas_port != sas_port);
+
+ if (!sas_phy->phy->enabled)
+ continue;
+
+ /* Report PHY state change to libsas */
+ if (state & (1 << phy_no)) {
+ if (do_port_check && sas_port) {
+ struct domain_device *dev = sas_port->port_dev;
+
+ _sas_port = sas_port;
+ port->id = phy->port_id;
+ hisi_sas_refresh_port_id(hisi_hba,
+ sas_port, sas_phy->linkrate);
+
+ if (DEV_IS_EXPANDER(dev->dev_type))
+ sas_ha->notify_port_event(sas_phy,
+ PORTE_BROADCAST_RCVD);
+ }
+ } else if (old_state & (1 << phy_no))
+ /* PHY down but was up before */
+ hisi_sas_phy_down(hisi_hba, phy_no, 0);
+
+ }
+
+ drain_workqueue(hisi_hba->shost->work_q);
+}
+
static int hisi_sas_controller_reset(struct hisi_hba *hisi_hba)
{
+ struct sas_ha_struct *sas_ha = &hisi_hba->sha;
+ struct device *dev = hisi_hba->dev;
+ struct Scsi_Host *shost = hisi_hba->shost;
+ u32 old_state, state;
+ unsigned long flags;
int rc;
if (!hisi_hba->hw->soft_reset)
return -1;
- if (!test_and_set_bit(HISI_SAS_RESET_BIT, &hisi_hba->flags)) {
- struct device *dev = hisi_hba->dev;
- struct sas_ha_struct *sas_ha = &hisi_hba->sha;
- unsigned long flags;
+ if (test_and_set_bit(HISI_SAS_RESET_BIT, &hisi_hba->flags))
+ return -1;
- dev_dbg(dev, "controller reset begins!\n");
- scsi_block_requests(hisi_hba->shost);
- rc = hisi_hba->hw->soft_reset(hisi_hba);
- if (rc) {
- dev_warn(dev, "controller reset failed (%d)\n", rc);
- goto out;
- }
- spin_lock_irqsave(&hisi_hba->lock, flags);
- hisi_sas_release_tasks(hisi_hba);
- spin_unlock_irqrestore(&hisi_hba->lock, flags);
+ dev_dbg(dev, "controller resetting...\n");
+ old_state = hisi_hba->hw->get_phys_state(hisi_hba);
- sas_ha->notify_ha_event(sas_ha, HAE_RESET);
- dev_dbg(dev, "controller reset successful!\n");
- } else
- return -1;
+ scsi_block_requests(shost);
+ set_bit(HISI_SAS_REJECT_CMD_BIT, &hisi_hba->flags);
+ rc = hisi_hba->hw->soft_reset(hisi_hba);
+ if (rc) {
+ dev_warn(dev, "controller reset failed (%d)\n", rc);
+ clear_bit(HISI_SAS_REJECT_CMD_BIT, &hisi_hba->flags);
+ goto out;
+ }
+ spin_lock_irqsave(&hisi_hba->lock, flags);
+ hisi_sas_release_tasks(hisi_hba);
+ spin_unlock_irqrestore(&hisi_hba->lock, flags);
+
+ sas_ha->notify_ha_event(sas_ha, HAE_RESET);
+ clear_bit(HISI_SAS_REJECT_CMD_BIT, &hisi_hba->flags);
+
+ /* Init and wait for PHYs to come up and all libsas event finished. */
+ hisi_hba->hw->phys_init(hisi_hba);
+ msleep(1000);
+ drain_workqueue(hisi_hba->wq);
+ drain_workqueue(shost->work_q);
+
+ state = hisi_hba->hw->get_phys_state(hisi_hba);
+ hisi_sas_rescan_topology(hisi_hba, old_state, state);
+ dev_dbg(dev, "controller reset complete\n");
out:
- scsi_unblock_requests(hisi_hba->shost);
+ scsi_unblock_requests(shost);
clear_bit(HISI_SAS_RESET_BIT, &hisi_hba->flags);
+
return rc;
}
@@ -1241,7 +1334,7 @@ hisi_sas_internal_abort_task_exec(struct hisi_hba *hisi_hba, int device_id,
int dlvry_queue_slot, dlvry_queue, n_elem = 0, rc, slot_idx;
unsigned long flags, flags_dq;
- if (unlikely(test_bit(HISI_SAS_RESET_BIT, &hisi_hba->flags)))
+ if (unlikely(test_bit(HISI_SAS_REJECT_CMD_BIT, &hisi_hba->flags)))
return -EINVAL;
if (!device->port)
@@ -1279,12 +1372,21 @@ hisi_sas_internal_abort_task_exec(struct hisi_hba *hisi_hba, int device_id,
slot->port = port;
task->lldd_task = slot;
+ slot->buf = dma_pool_alloc(hisi_hba->buffer_pool,
+ GFP_ATOMIC, &slot->buf_dma);
+ if (!slot->buf) {
+ rc = -ENOMEM;
+ goto err_out_tag;
+ }
+
memset(slot->cmd_hdr, 0, sizeof(struct hisi_sas_cmd_hdr));
+ memset(hisi_sas_cmd_hdr_addr_mem(slot), 0, HISI_SAS_COMMAND_TABLE_SZ);
+ memset(hisi_sas_status_buf_addr_mem(slot), 0, HISI_SAS_STATUS_BUF_SZ);
rc = hisi_sas_task_prep_abort(hisi_hba, slot, device_id,
abort_flag, task_tag);
if (rc)
- goto err_out_tag;
+ goto err_out_buf;
list_add_tail(&slot->entry, &sas_dev->list);
@@ -1302,6 +1404,9 @@ hisi_sas_internal_abort_task_exec(struct hisi_hba *hisi_hba, int device_id,
return 0;
+err_out_buf:
+ dma_pool_free(hisi_hba->buffer_pool, slot->buf,
+ slot->buf_dma);
err_out_tag:
spin_lock_irqsave(&hisi_hba->lock, flags);
hisi_sas_slot_index_free(hisi_hba, slot_idx);
@@ -1437,36 +1542,6 @@ void hisi_sas_phy_down(struct hisi_hba *hisi_hba, int phy_no, int rdy)
}
EXPORT_SYMBOL_GPL(hisi_sas_phy_down);
-void hisi_sas_rescan_topology(struct hisi_hba *hisi_hba, u32 old_state,
- u32 state)
-{
- struct sas_ha_struct *sas_ha = &hisi_hba->sha;
- int phy_no;
-
- for (phy_no = 0; phy_no < hisi_hba->n_phy; phy_no++) {
- struct hisi_sas_phy *phy = &hisi_hba->phy[phy_no];
- struct asd_sas_phy *sas_phy = &phy->sas_phy;
- struct asd_sas_port *sas_port = sas_phy->port;
- struct domain_device *dev;
-
- if (sas_phy->enabled) {
- /* Report PHY state change to libsas */
- if (state & (1 << phy_no))
- continue;
-
- if (old_state & (1 << phy_no))
- /* PHY down but was up before */
- hisi_sas_phy_down(hisi_hba, phy_no, 0);
- }
- if (!sas_port)
- continue;
- dev = sas_port->port_dev;
-
- if (DEV_IS_EXPANDER(dev->dev_type))
- sas_ha->notify_phy_event(sas_phy, PORTE_BROADCAST_RCVD);
- }
-}
-EXPORT_SYMBOL_GPL(hisi_sas_rescan_topology);
struct scsi_transport_template *hisi_sas_stt;
EXPORT_SYMBOL_GPL(hisi_sas_stt);
@@ -1487,7 +1562,7 @@ static struct scsi_host_template _hisi_sas_sht = {
.max_sectors = SCSI_DEFAULT_MAX_SECTORS,
.use_clustering = ENABLE_CLUSTERING,
.eh_device_reset_handler = sas_eh_device_reset_handler,
- .eh_bus_reset_handler = sas_eh_bus_reset_handler,
+ .eh_target_reset_handler = sas_eh_target_reset_handler,
.target_destroy = sas_target_destroy,
.ioctl = sas_ioctl,
};
@@ -1825,7 +1900,7 @@ static struct Scsi_Host *hisi_sas_shost_alloc(struct platform_device *pdev,
return shost;
err_out:
- kfree(shost);
+ scsi_host_put(shost);
dev_err(dev, "shost alloc failed\n");
return NULL;
}
@@ -1916,7 +1991,7 @@ err_out_register_ha:
scsi_remove_host(shost);
err_out_ha:
hisi_sas_free(hisi_hba);
- kfree(shost);
+ scsi_host_put(shost);
return rc;
}
EXPORT_SYMBOL_GPL(hisi_sas_probe);
@@ -1931,15 +2006,13 @@ int hisi_sas_remove(struct platform_device *pdev)
sas_remove_host(sha->core.shost);
hisi_sas_free(hisi_hba);
- kfree(shost);
+ scsi_host_put(shost);
return 0;
}
EXPORT_SYMBOL_GPL(hisi_sas_remove);
static __init int hisi_sas_init(void)
{
- pr_info("hisi_sas: driver version %s\n", DRV_VERSION);
-
hisi_sas_stt = sas_domain_attach_transport(&hisi_sas_transport_ops);
if (!hisi_sas_stt)
return -ENOMEM;
@@ -1955,7 +2028,6 @@ static __exit void hisi_sas_exit(void)
module_init(hisi_sas_init);
module_exit(hisi_sas_exit);
-MODULE_VERSION(DRV_VERSION);
MODULE_LICENSE("GPL");
MODULE_AUTHOR("John Garry <john.garry@huawei.com>");
MODULE_DESCRIPTION("HISILICON SAS controller driver");
diff --git a/drivers/scsi/hisi_sas/hisi_sas_v2_hw.c b/drivers/scsi/hisi_sas/hisi_sas_v2_hw.c
index 2bfea7082e3a..779af979b6db 100644
--- a/drivers/scsi/hisi_sas/hisi_sas_v2_hw.c
+++ b/drivers/scsi/hisi_sas/hisi_sas_v2_hw.c
@@ -256,6 +256,8 @@
#define LINK_DFX2_RCVR_HOLD_STS_MSK (0x1 << LINK_DFX2_RCVR_HOLD_STS_OFF)
#define LINK_DFX2_SEND_HOLD_STS_OFF 10
#define LINK_DFX2_SEND_HOLD_STS_MSK (0x1 << LINK_DFX2_SEND_HOLD_STS_OFF)
+#define SAS_ERR_CNT4_REG (PORT_BASE + 0x290)
+#define SAS_ERR_CNT6_REG (PORT_BASE + 0x298)
#define PHY_CTRL_RDY_MSK (PORT_BASE + 0x2b0)
#define PHYCTRL_NOT_RDY_MSK (PORT_BASE + 0x2b4)
#define PHYCTRL_DWS_RESET_MSK (PORT_BASE + 0x2b8)
@@ -399,6 +401,172 @@ struct hisi_sas_err_record_v2 {
__le32 dma_rx_err_type;
};
+static const struct hisi_sas_hw_error one_bit_ecc_errors[] = {
+ {
+ .irq_msk = BIT(SAS_ECC_INTR_DQE_ECC_1B_OFF),
+ .msk = HGC_DQE_ECC_1B_ADDR_MSK,
+ .shift = HGC_DQE_ECC_1B_ADDR_OFF,
+ .msg = "hgc_dqe_acc1b_intr found: \
+ Ram address is 0x%08X\n",
+ .reg = HGC_DQE_ECC_ADDR,
+ },
+ {
+ .irq_msk = BIT(SAS_ECC_INTR_IOST_ECC_1B_OFF),
+ .msk = HGC_IOST_ECC_1B_ADDR_MSK,
+ .shift = HGC_IOST_ECC_1B_ADDR_OFF,
+ .msg = "hgc_iost_acc1b_intr found: \
+ Ram address is 0x%08X\n",
+ .reg = HGC_IOST_ECC_ADDR,
+ },
+ {
+ .irq_msk = BIT(SAS_ECC_INTR_ITCT_ECC_1B_OFF),
+ .msk = HGC_ITCT_ECC_1B_ADDR_MSK,
+ .shift = HGC_ITCT_ECC_1B_ADDR_OFF,
+ .msg = "hgc_itct_acc1b_intr found: \
+ Ram address is 0x%08X\n",
+ .reg = HGC_ITCT_ECC_ADDR,
+ },
+ {
+ .irq_msk = BIT(SAS_ECC_INTR_IOSTLIST_ECC_1B_OFF),
+ .msk = HGC_LM_DFX_STATUS2_IOSTLIST_MSK,
+ .shift = HGC_LM_DFX_STATUS2_IOSTLIST_OFF,
+ .msg = "hgc_iostl_acc1b_intr found: \
+ memory address is 0x%08X\n",
+ .reg = HGC_LM_DFX_STATUS2,
+ },
+ {
+ .irq_msk = BIT(SAS_ECC_INTR_ITCTLIST_ECC_1B_OFF),
+ .msk = HGC_LM_DFX_STATUS2_ITCTLIST_MSK,
+ .shift = HGC_LM_DFX_STATUS2_ITCTLIST_OFF,
+ .msg = "hgc_itctl_acc1b_intr found: \
+ memory address is 0x%08X\n",
+ .reg = HGC_LM_DFX_STATUS2,
+ },
+ {
+ .irq_msk = BIT(SAS_ECC_INTR_CQE_ECC_1B_OFF),
+ .msk = HGC_CQE_ECC_1B_ADDR_MSK,
+ .shift = HGC_CQE_ECC_1B_ADDR_OFF,
+ .msg = "hgc_cqe_acc1b_intr found: \
+ Ram address is 0x%08X\n",
+ .reg = HGC_CQE_ECC_ADDR,
+ },
+ {
+ .irq_msk = BIT(SAS_ECC_INTR_NCQ_MEM0_ECC_1B_OFF),
+ .msk = HGC_RXM_DFX_STATUS14_MEM0_MSK,
+ .shift = HGC_RXM_DFX_STATUS14_MEM0_OFF,
+ .msg = "rxm_mem0_acc1b_intr found: \
+ memory address is 0x%08X\n",
+ .reg = HGC_RXM_DFX_STATUS14,
+ },
+ {
+ .irq_msk = BIT(SAS_ECC_INTR_NCQ_MEM1_ECC_1B_OFF),
+ .msk = HGC_RXM_DFX_STATUS14_MEM1_MSK,
+ .shift = HGC_RXM_DFX_STATUS14_MEM1_OFF,
+ .msg = "rxm_mem1_acc1b_intr found: \
+ memory address is 0x%08X\n",
+ .reg = HGC_RXM_DFX_STATUS14,
+ },
+ {
+ .irq_msk = BIT(SAS_ECC_INTR_NCQ_MEM2_ECC_1B_OFF),
+ .msk = HGC_RXM_DFX_STATUS14_MEM2_MSK,
+ .shift = HGC_RXM_DFX_STATUS14_MEM2_OFF,
+ .msg = "rxm_mem2_acc1b_intr found: \
+ memory address is 0x%08X\n",
+ .reg = HGC_RXM_DFX_STATUS14,
+ },
+ {
+ .irq_msk = BIT(SAS_ECC_INTR_NCQ_MEM3_ECC_1B_OFF),
+ .msk = HGC_RXM_DFX_STATUS15_MEM3_MSK,
+ .shift = HGC_RXM_DFX_STATUS15_MEM3_OFF,
+ .msg = "rxm_mem3_acc1b_intr found: \
+ memory address is 0x%08X\n",
+ .reg = HGC_RXM_DFX_STATUS15,
+ },
+};
+
+static const struct hisi_sas_hw_error multi_bit_ecc_errors[] = {
+ {
+ .irq_msk = BIT(SAS_ECC_INTR_DQE_ECC_MB_OFF),
+ .msk = HGC_DQE_ECC_MB_ADDR_MSK,
+ .shift = HGC_DQE_ECC_MB_ADDR_OFF,
+ .msg = "hgc_dqe_accbad_intr (0x%x) found: \
+ Ram address is 0x%08X\n",
+ .reg = HGC_DQE_ECC_ADDR,
+ },
+ {
+ .irq_msk = BIT(SAS_ECC_INTR_IOST_ECC_MB_OFF),
+ .msk = HGC_IOST_ECC_MB_ADDR_MSK,
+ .shift = HGC_IOST_ECC_MB_ADDR_OFF,
+ .msg = "hgc_iost_accbad_intr (0x%x) found: \
+ Ram address is 0x%08X\n",
+ .reg = HGC_IOST_ECC_ADDR,
+ },
+ {
+ .irq_msk = BIT(SAS_ECC_INTR_ITCT_ECC_MB_OFF),
+ .msk = HGC_ITCT_ECC_MB_ADDR_MSK,
+ .shift = HGC_ITCT_ECC_MB_ADDR_OFF,
+ .msg = "hgc_itct_accbad_intr (0x%x) found: \
+ Ram address is 0x%08X\n",
+ .reg = HGC_ITCT_ECC_ADDR,
+ },
+ {
+ .irq_msk = BIT(SAS_ECC_INTR_IOSTLIST_ECC_MB_OFF),
+ .msk = HGC_LM_DFX_STATUS2_IOSTLIST_MSK,
+ .shift = HGC_LM_DFX_STATUS2_IOSTLIST_OFF,
+ .msg = "hgc_iostl_accbad_intr (0x%x) found: \
+ memory address is 0x%08X\n",
+ .reg = HGC_LM_DFX_STATUS2,
+ },
+ {
+ .irq_msk = BIT(SAS_ECC_INTR_ITCTLIST_ECC_MB_OFF),
+ .msk = HGC_LM_DFX_STATUS2_ITCTLIST_MSK,
+ .shift = HGC_LM_DFX_STATUS2_ITCTLIST_OFF,
+ .msg = "hgc_itctl_accbad_intr (0x%x) found: \
+ memory address is 0x%08X\n",
+ .reg = HGC_LM_DFX_STATUS2,
+ },
+ {
+ .irq_msk = BIT(SAS_ECC_INTR_CQE_ECC_MB_OFF),
+ .msk = HGC_CQE_ECC_MB_ADDR_MSK,
+ .shift = HGC_CQE_ECC_MB_ADDR_OFF,
+ .msg = "hgc_cqe_accbad_intr (0x%x) found: \
+ Ram address is 0x%08X\n",
+ .reg = HGC_CQE_ECC_ADDR,
+ },
+ {
+ .irq_msk = BIT(SAS_ECC_INTR_NCQ_MEM0_ECC_MB_OFF),
+ .msk = HGC_RXM_DFX_STATUS14_MEM0_MSK,
+ .shift = HGC_RXM_DFX_STATUS14_MEM0_OFF,
+ .msg = "rxm_mem0_accbad_intr (0x%x) found: \
+ memory address is 0x%08X\n",
+ .reg = HGC_RXM_DFX_STATUS14,
+ },
+ {
+ .irq_msk = BIT(SAS_ECC_INTR_NCQ_MEM1_ECC_MB_OFF),
+ .msk = HGC_RXM_DFX_STATUS14_MEM1_MSK,
+ .shift = HGC_RXM_DFX_STATUS14_MEM1_OFF,
+ .msg = "rxm_mem1_accbad_intr (0x%x) found: \
+ memory address is 0x%08X\n",
+ .reg = HGC_RXM_DFX_STATUS14,
+ },
+ {
+ .irq_msk = BIT(SAS_ECC_INTR_NCQ_MEM2_ECC_MB_OFF),
+ .msk = HGC_RXM_DFX_STATUS14_MEM2_MSK,
+ .shift = HGC_RXM_DFX_STATUS14_MEM2_OFF,
+ .msg = "rxm_mem2_accbad_intr (0x%x) found: \
+ memory address is 0x%08X\n",
+ .reg = HGC_RXM_DFX_STATUS14,
+ },
+ {
+ .irq_msk = BIT(SAS_ECC_INTR_NCQ_MEM3_ECC_MB_OFF),
+ .msk = HGC_RXM_DFX_STATUS15_MEM3_MSK,
+ .shift = HGC_RXM_DFX_STATUS15_MEM3_OFF,
+ .msg = "rxm_mem3_accbad_intr (0x%x) found: \
+ memory address is 0x%08X\n",
+ .reg = HGC_RXM_DFX_STATUS15,
+ },
+};
+
enum {
HISI_SAS_PHY_PHY_UPDOWN,
HISI_SAS_PHY_CHNL_INT,
@@ -806,12 +974,14 @@ static void setup_itct_v2_hw(struct hisi_hba *hisi_hba,
static void free_device_v2_hw(struct hisi_hba *hisi_hba,
struct hisi_sas_device *sas_dev)
{
+ DECLARE_COMPLETION_ONSTACK(completion);
u64 dev_id = sas_dev->device_id;
- struct device *dev = hisi_hba->dev;
struct hisi_sas_itct *itct = &hisi_hba->itct[dev_id];
u32 reg_val = hisi_sas_read32(hisi_hba, ENT_INT_SRC3);
int i;
+ sas_dev->completion = &completion;
+
/* SoC bug workaround */
if (dev_is_sata(sas_dev->sas_device))
clear_bit(sas_dev->sata_idx, hisi_hba->sata_dev_bitmap);
@@ -821,28 +991,12 @@ static void free_device_v2_hw(struct hisi_hba *hisi_hba,
hisi_sas_write32(hisi_hba, ENT_INT_SRC3,
ENT_INT_SRC3_ITC_INT_MSK);
- /* clear the itct int*/
for (i = 0; i < 2; i++) {
- /* clear the itct table*/
- reg_val = hisi_sas_read32(hisi_hba, ITCT_CLR);
- reg_val |= ITCT_CLR_EN_MSK | (dev_id & ITCT_DEV_MSK);
+ reg_val = ITCT_CLR_EN_MSK | (dev_id & ITCT_DEV_MSK);
hisi_sas_write32(hisi_hba, ITCT_CLR, reg_val);
+ wait_for_completion(sas_dev->completion);
- udelay(10);
- reg_val = hisi_sas_read32(hisi_hba, ENT_INT_SRC3);
- if (ENT_INT_SRC3_ITC_INT_MSK & reg_val) {
- dev_dbg(dev, "got clear ITCT done interrupt\n");
-
- /* invalid the itct state*/
- memset(itct, 0, sizeof(struct hisi_sas_itct));
- hisi_sas_write32(hisi_hba, ENT_INT_SRC3,
- ENT_INT_SRC3_ITC_INT_MSK);
-
- /* clear the itct */
- hisi_sas_write32(hisi_hba, ITCT_CLR, 0);
- dev_dbg(dev, "clear ITCT ok\n");
- break;
- }
+ memset(itct, 0, sizeof(struct hisi_sas_itct));
}
}
@@ -1023,7 +1177,7 @@ static void init_reg_v2_hw(struct hisi_hba *hisi_hba)
hisi_sas_write32(hisi_hba, ENT_INT_SRC3, 0xffffffff);
hisi_sas_write32(hisi_hba, ENT_INT_SRC_MSK1, 0x7efefefe);
hisi_sas_write32(hisi_hba, ENT_INT_SRC_MSK2, 0x7efefefe);
- hisi_sas_write32(hisi_hba, ENT_INT_SRC_MSK3, 0x7ffffffe);
+ hisi_sas_write32(hisi_hba, ENT_INT_SRC_MSK3, 0x7ffe20fe);
hisi_sas_write32(hisi_hba, SAS_ECC_INTR_MSK, 0xfff00c30);
for (i = 0; i < hisi_hba->queue_count; i++)
hisi_sas_write32(hisi_hba, OQ0_INT_SRC_MSK+0x4*i, 0);
@@ -1332,25 +1486,12 @@ static void start_phy_v2_hw(struct hisi_hba *hisi_hba, int phy_no)
enable_phy_v2_hw(hisi_hba, phy_no);
}
-static void stop_phy_v2_hw(struct hisi_hba *hisi_hba, int phy_no)
-{
- disable_phy_v2_hw(hisi_hba, phy_no);
-}
-
-static void stop_phys_v2_hw(struct hisi_hba *hisi_hba)
-{
- int i;
-
- for (i = 0; i < hisi_hba->n_phy; i++)
- stop_phy_v2_hw(hisi_hba, i);
-}
-
static void phy_hard_reset_v2_hw(struct hisi_hba *hisi_hba, int phy_no)
{
struct hisi_sas_phy *phy = &hisi_hba->phy[phy_no];
u32 txid_auto;
- stop_phy_v2_hw(hisi_hba, phy_no);
+ disable_phy_v2_hw(hisi_hba, phy_no);
if (phy->identify.device_type == SAS_END_DEVICE) {
txid_auto = hisi_sas_phy_read32(hisi_hba, phy_no, TXID_AUTO);
hisi_sas_phy_write32(hisi_hba, phy_no, TXID_AUTO,
@@ -1360,17 +1501,38 @@ static void phy_hard_reset_v2_hw(struct hisi_hba *hisi_hba, int phy_no)
start_phy_v2_hw(hisi_hba, phy_no);
}
-static void start_phys_v2_hw(struct hisi_hba *hisi_hba)
+static void phy_get_events_v2_hw(struct hisi_hba *hisi_hba, int phy_no)
{
- int i;
+ struct hisi_sas_phy *phy = &hisi_hba->phy[phy_no];
+ struct asd_sas_phy *sas_phy = &phy->sas_phy;
+ struct sas_phy *sphy = sas_phy->phy;
+ u32 err4_reg_val, err6_reg_val;
- for (i = 0; i < hisi_hba->n_phy; i++)
- start_phy_v2_hw(hisi_hba, i);
+ /* loss dword syn, phy reset problem */
+ err4_reg_val = hisi_sas_phy_read32(hisi_hba, phy_no, SAS_ERR_CNT4_REG);
+
+ /* disparity err, invalid dword */
+ err6_reg_val = hisi_sas_phy_read32(hisi_hba, phy_no, SAS_ERR_CNT6_REG);
+
+ sphy->loss_of_dword_sync_count += (err4_reg_val >> 16) & 0xFFFF;
+ sphy->phy_reset_problem_count += err4_reg_val & 0xFFFF;
+ sphy->invalid_dword_count += (err6_reg_val & 0xFF0000) >> 16;
+ sphy->running_disparity_error_count += err6_reg_val & 0xFF;
}
static void phys_init_v2_hw(struct hisi_hba *hisi_hba)
{
- start_phys_v2_hw(hisi_hba);
+ int i;
+
+ for (i = 0; i < hisi_hba->n_phy; i++) {
+ struct hisi_sas_phy *phy = &hisi_hba->phy[i];
+ struct asd_sas_phy *sas_phy = &phy->sas_phy;
+
+ if (!sas_phy->phy->enabled)
+ continue;
+
+ start_phy_v2_hw(hisi_hba, i);
+ }
}
static void sl_notify_v2_hw(struct hisi_hba *hisi_hba, int phy_no)
@@ -1965,7 +2127,7 @@ static void slot_err_v2_hw(struct hisi_hba *hisi_hba,
}
case DMA_RX_DATA_LEN_UNDERFLOW:
{
- ts->residual = dma_rx_err_type;
+ ts->residual = trans_tx_fail_type;
ts->stat = SAS_DATA_UNDERRUN;
break;
}
@@ -2091,7 +2253,7 @@ static void slot_err_v2_hw(struct hisi_hba *hisi_hba,
}
case DMA_RX_DATA_LEN_UNDERFLOW:
{
- ts->residual = dma_rx_err_type;
+ ts->residual = trans_tx_fail_type;
ts->stat = SAS_DATA_UNDERRUN;
break;
}
@@ -2599,6 +2761,7 @@ static irqreturn_t int_phy_updown_v2_hw(int irq_no, void *p)
struct hisi_hba *hisi_hba = p;
u32 irq_msk;
int phy_no = 0;
+ irqreturn_t res = IRQ_NONE;
irq_msk = (hisi_sas_read32(hisi_hba, HGC_INVLD_DQE_INFO)
>> HGC_INVLD_DQE_INFO_FB_CH0_OFF) & 0x1ff;
@@ -2613,15 +2776,15 @@ static irqreturn_t int_phy_updown_v2_hw(int irq_no, void *p)
case CHL_INT0_SL_PHY_ENABLE_MSK:
/* phy up */
if (phy_up_v2_hw(phy_no, hisi_hba) ==
- IRQ_NONE)
- return IRQ_NONE;
+ IRQ_HANDLED)
+ res = IRQ_HANDLED;
break;
case CHL_INT0_NOT_RDY_MSK:
/* phy down */
if (phy_down_v2_hw(phy_no, hisi_hba) ==
- IRQ_NONE)
- return IRQ_NONE;
+ IRQ_HANDLED)
+ res = IRQ_HANDLED;
break;
case (CHL_INT0_NOT_RDY_MSK |
@@ -2631,13 +2794,13 @@ static irqreturn_t int_phy_updown_v2_hw(int irq_no, void *p)
if (reg_value & BIT(phy_no)) {
/* phy up */
if (phy_up_v2_hw(phy_no, hisi_hba) ==
- IRQ_NONE)
- return IRQ_NONE;
+ IRQ_HANDLED)
+ res = IRQ_HANDLED;
} else {
/* phy down */
if (phy_down_v2_hw(phy_no, hisi_hba) ==
- IRQ_NONE)
- return IRQ_NONE;
+ IRQ_HANDLED)
+ res = IRQ_HANDLED;
}
break;
@@ -2650,7 +2813,7 @@ static irqreturn_t int_phy_updown_v2_hw(int irq_no, void *p)
phy_no++;
}
- return IRQ_HANDLED;
+ return res;
}
static void phy_bcast_v2_hw(int phy_no, struct hisi_hba *hisi_hba)
@@ -2733,194 +2896,38 @@ static void
one_bit_ecc_error_process_v2_hw(struct hisi_hba *hisi_hba, u32 irq_value)
{
struct device *dev = hisi_hba->dev;
- u32 reg_val;
-
- if (irq_value & BIT(SAS_ECC_INTR_DQE_ECC_1B_OFF)) {
- reg_val = hisi_sas_read32(hisi_hba, HGC_DQE_ECC_ADDR);
- dev_warn(dev, "hgc_dqe_acc1b_intr found: \
- Ram address is 0x%08X\n",
- (reg_val & HGC_DQE_ECC_1B_ADDR_MSK) >>
- HGC_DQE_ECC_1B_ADDR_OFF);
- }
-
- if (irq_value & BIT(SAS_ECC_INTR_IOST_ECC_1B_OFF)) {
- reg_val = hisi_sas_read32(hisi_hba, HGC_IOST_ECC_ADDR);
- dev_warn(dev, "hgc_iost_acc1b_intr found: \
- Ram address is 0x%08X\n",
- (reg_val & HGC_IOST_ECC_1B_ADDR_MSK) >>
- HGC_IOST_ECC_1B_ADDR_OFF);
- }
-
- if (irq_value & BIT(SAS_ECC_INTR_ITCT_ECC_1B_OFF)) {
- reg_val = hisi_sas_read32(hisi_hba, HGC_ITCT_ECC_ADDR);
- dev_warn(dev, "hgc_itct_acc1b_intr found: \
- Ram address is 0x%08X\n",
- (reg_val & HGC_ITCT_ECC_1B_ADDR_MSK) >>
- HGC_ITCT_ECC_1B_ADDR_OFF);
- }
-
- if (irq_value & BIT(SAS_ECC_INTR_IOSTLIST_ECC_1B_OFF)) {
- reg_val = hisi_sas_read32(hisi_hba, HGC_LM_DFX_STATUS2);
- dev_warn(dev, "hgc_iostl_acc1b_intr found: \
- memory address is 0x%08X\n",
- (reg_val & HGC_LM_DFX_STATUS2_IOSTLIST_MSK) >>
- HGC_LM_DFX_STATUS2_IOSTLIST_OFF);
- }
-
- if (irq_value & BIT(SAS_ECC_INTR_ITCTLIST_ECC_1B_OFF)) {
- reg_val = hisi_sas_read32(hisi_hba, HGC_LM_DFX_STATUS2);
- dev_warn(dev, "hgc_itctl_acc1b_intr found: \
- memory address is 0x%08X\n",
- (reg_val & HGC_LM_DFX_STATUS2_ITCTLIST_MSK) >>
- HGC_LM_DFX_STATUS2_ITCTLIST_OFF);
- }
-
- if (irq_value & BIT(SAS_ECC_INTR_CQE_ECC_1B_OFF)) {
- reg_val = hisi_sas_read32(hisi_hba, HGC_CQE_ECC_ADDR);
- dev_warn(dev, "hgc_cqe_acc1b_intr found: \
- Ram address is 0x%08X\n",
- (reg_val & HGC_CQE_ECC_1B_ADDR_MSK) >>
- HGC_CQE_ECC_1B_ADDR_OFF);
- }
-
- if (irq_value & BIT(SAS_ECC_INTR_NCQ_MEM0_ECC_1B_OFF)) {
- reg_val = hisi_sas_read32(hisi_hba, HGC_RXM_DFX_STATUS14);
- dev_warn(dev, "rxm_mem0_acc1b_intr found: \
- memory address is 0x%08X\n",
- (reg_val & HGC_RXM_DFX_STATUS14_MEM0_MSK) >>
- HGC_RXM_DFX_STATUS14_MEM0_OFF);
- }
-
- if (irq_value & BIT(SAS_ECC_INTR_NCQ_MEM1_ECC_1B_OFF)) {
- reg_val = hisi_sas_read32(hisi_hba, HGC_RXM_DFX_STATUS14);
- dev_warn(dev, "rxm_mem1_acc1b_intr found: \
- memory address is 0x%08X\n",
- (reg_val & HGC_RXM_DFX_STATUS14_MEM1_MSK) >>
- HGC_RXM_DFX_STATUS14_MEM1_OFF);
- }
-
- if (irq_value & BIT(SAS_ECC_INTR_NCQ_MEM2_ECC_1B_OFF)) {
- reg_val = hisi_sas_read32(hisi_hba, HGC_RXM_DFX_STATUS14);
- dev_warn(dev, "rxm_mem2_acc1b_intr found: \
- memory address is 0x%08X\n",
- (reg_val & HGC_RXM_DFX_STATUS14_MEM2_MSK) >>
- HGC_RXM_DFX_STATUS14_MEM2_OFF);
- }
+ const struct hisi_sas_hw_error *ecc_error;
+ u32 val;
+ int i;
- if (irq_value & BIT(SAS_ECC_INTR_NCQ_MEM3_ECC_1B_OFF)) {
- reg_val = hisi_sas_read32(hisi_hba, HGC_RXM_DFX_STATUS15);
- dev_warn(dev, "rxm_mem3_acc1b_intr found: \
- memory address is 0x%08X\n",
- (reg_val & HGC_RXM_DFX_STATUS15_MEM3_MSK) >>
- HGC_RXM_DFX_STATUS15_MEM3_OFF);
+ for (i = 0; i < ARRAY_SIZE(one_bit_ecc_errors); i++) {
+ ecc_error = &one_bit_ecc_errors[i];
+ if (irq_value & ecc_error->irq_msk) {
+ val = hisi_sas_read32(hisi_hba, ecc_error->reg);
+ val &= ecc_error->msk;
+ val >>= ecc_error->shift;
+ dev_warn(dev, ecc_error->msg, val);
+ }
}
-
}
static void multi_bit_ecc_error_process_v2_hw(struct hisi_hba *hisi_hba,
u32 irq_value)
{
- u32 reg_val;
struct device *dev = hisi_hba->dev;
+ const struct hisi_sas_hw_error *ecc_error;
+ u32 val;
+ int i;
- if (irq_value & BIT(SAS_ECC_INTR_DQE_ECC_MB_OFF)) {
- reg_val = hisi_sas_read32(hisi_hba, HGC_DQE_ECC_ADDR);
- dev_warn(dev, "hgc_dqe_accbad_intr (0x%x) found: \
- Ram address is 0x%08X\n",
- irq_value,
- (reg_val & HGC_DQE_ECC_MB_ADDR_MSK) >>
- HGC_DQE_ECC_MB_ADDR_OFF);
- queue_work(hisi_hba->wq, &hisi_hba->rst_work);
- }
-
- if (irq_value & BIT(SAS_ECC_INTR_IOST_ECC_MB_OFF)) {
- reg_val = hisi_sas_read32(hisi_hba, HGC_IOST_ECC_ADDR);
- dev_warn(dev, "hgc_iost_accbad_intr (0x%x) found: \
- Ram address is 0x%08X\n",
- irq_value,
- (reg_val & HGC_IOST_ECC_MB_ADDR_MSK) >>
- HGC_IOST_ECC_MB_ADDR_OFF);
- queue_work(hisi_hba->wq, &hisi_hba->rst_work);
- }
-
- if (irq_value & BIT(SAS_ECC_INTR_ITCT_ECC_MB_OFF)) {
- reg_val = hisi_sas_read32(hisi_hba, HGC_ITCT_ECC_ADDR);
- dev_warn(dev,"hgc_itct_accbad_intr (0x%x) found: \
- Ram address is 0x%08X\n",
- irq_value,
- (reg_val & HGC_ITCT_ECC_MB_ADDR_MSK) >>
- HGC_ITCT_ECC_MB_ADDR_OFF);
- queue_work(hisi_hba->wq, &hisi_hba->rst_work);
- }
-
- if (irq_value & BIT(SAS_ECC_INTR_IOSTLIST_ECC_MB_OFF)) {
- reg_val = hisi_sas_read32(hisi_hba, HGC_LM_DFX_STATUS2);
- dev_warn(dev, "hgc_iostl_accbad_intr (0x%x) found: \
- memory address is 0x%08X\n",
- irq_value,
- (reg_val & HGC_LM_DFX_STATUS2_IOSTLIST_MSK) >>
- HGC_LM_DFX_STATUS2_IOSTLIST_OFF);
- queue_work(hisi_hba->wq, &hisi_hba->rst_work);
- }
-
- if (irq_value & BIT(SAS_ECC_INTR_ITCTLIST_ECC_MB_OFF)) {
- reg_val = hisi_sas_read32(hisi_hba, HGC_LM_DFX_STATUS2);
- dev_warn(dev, "hgc_itctl_accbad_intr (0x%x) found: \
- memory address is 0x%08X\n",
- irq_value,
- (reg_val & HGC_LM_DFX_STATUS2_ITCTLIST_MSK) >>
- HGC_LM_DFX_STATUS2_ITCTLIST_OFF);
- queue_work(hisi_hba->wq, &hisi_hba->rst_work);
- }
-
- if (irq_value & BIT(SAS_ECC_INTR_CQE_ECC_MB_OFF)) {
- reg_val = hisi_sas_read32(hisi_hba, HGC_CQE_ECC_ADDR);
- dev_warn(dev, "hgc_cqe_accbad_intr (0x%x) found: \
- Ram address is 0x%08X\n",
- irq_value,
- (reg_val & HGC_CQE_ECC_MB_ADDR_MSK) >>
- HGC_CQE_ECC_MB_ADDR_OFF);
- queue_work(hisi_hba->wq, &hisi_hba->rst_work);
- }
-
- if (irq_value & BIT(SAS_ECC_INTR_NCQ_MEM0_ECC_MB_OFF)) {
- reg_val = hisi_sas_read32(hisi_hba, HGC_RXM_DFX_STATUS14);
- dev_warn(dev, "rxm_mem0_accbad_intr (0x%x) found: \
- memory address is 0x%08X\n",
- irq_value,
- (reg_val & HGC_RXM_DFX_STATUS14_MEM0_MSK) >>
- HGC_RXM_DFX_STATUS14_MEM0_OFF);
- queue_work(hisi_hba->wq, &hisi_hba->rst_work);
- }
-
- if (irq_value & BIT(SAS_ECC_INTR_NCQ_MEM1_ECC_MB_OFF)) {
- reg_val = hisi_sas_read32(hisi_hba, HGC_RXM_DFX_STATUS14);
- dev_warn(dev, "rxm_mem1_accbad_intr (0x%x) found: \
- memory address is 0x%08X\n",
- irq_value,
- (reg_val & HGC_RXM_DFX_STATUS14_MEM1_MSK) >>
- HGC_RXM_DFX_STATUS14_MEM1_OFF);
- queue_work(hisi_hba->wq, &hisi_hba->rst_work);
- }
-
- if (irq_value & BIT(SAS_ECC_INTR_NCQ_MEM2_ECC_MB_OFF)) {
- reg_val = hisi_sas_read32(hisi_hba, HGC_RXM_DFX_STATUS14);
- dev_warn(dev, "rxm_mem2_accbad_intr (0x%x) found: \
- memory address is 0x%08X\n",
- irq_value,
- (reg_val & HGC_RXM_DFX_STATUS14_MEM2_MSK) >>
- HGC_RXM_DFX_STATUS14_MEM2_OFF);
- queue_work(hisi_hba->wq, &hisi_hba->rst_work);
- }
-
- if (irq_value & BIT(SAS_ECC_INTR_NCQ_MEM3_ECC_MB_OFF)) {
- reg_val = hisi_sas_read32(hisi_hba, HGC_RXM_DFX_STATUS15);
- dev_warn(dev, "rxm_mem3_accbad_intr (0x%x) found: \
- memory address is 0x%08X\n",
- irq_value,
- (reg_val & HGC_RXM_DFX_STATUS15_MEM3_MSK) >>
- HGC_RXM_DFX_STATUS15_MEM3_OFF);
- queue_work(hisi_hba->wq, &hisi_hba->rst_work);
+ for (i = 0; i < ARRAY_SIZE(multi_bit_ecc_errors); i++) {
+ ecc_error = &multi_bit_ecc_errors[i];
+ if (irq_value & ecc_error->irq_msk) {
+ val = hisi_sas_read32(hisi_hba, ecc_error->reg);
+ val &= ecc_error->msk;
+ val >>= ecc_error->shift;
+ dev_warn(dev, ecc_error->msg, irq_value, val);
+ queue_work(hisi_hba->wq, &hisi_hba->rst_work);
+ }
}
return;
@@ -3053,8 +3060,20 @@ static irqreturn_t fatal_axi_int_v2_hw(int irq_no, void *p)
irq_value);
queue_work(hisi_hba->wq, &hisi_hba->rst_work);
}
+
+ if (irq_value & BIT(ENT_INT_SRC3_ITC_INT_OFF)) {
+ u32 reg_val = hisi_sas_read32(hisi_hba, ITCT_CLR);
+ u32 dev_id = reg_val & ITCT_DEV_MSK;
+ struct hisi_sas_device *sas_dev =
+ &hisi_hba->devices[dev_id];
+
+ hisi_sas_write32(hisi_hba, ITCT_CLR, 0);
+ dev_dbg(dev, "clear ITCT ok\n");
+ complete(sas_dev->completion);
+ }
}
+ hisi_sas_write32(hisi_hba, ENT_INT_SRC3, irq_value);
hisi_sas_write32(hisi_hba, ENT_INT_SRC_MSK3, irq_msk);
return IRQ_HANDLED;
@@ -3251,97 +3270,92 @@ static int interrupt_init_v2_hw(struct hisi_hba *hisi_hba)
{
struct platform_device *pdev = hisi_hba->platform_dev;
struct device *dev = &pdev->dev;
- int i, irq, rc, irq_map[128];
-
+ int irq, rc, irq_map[128];
+ int i, phy_no, fatal_no, queue_no, k;
for (i = 0; i < 128; i++)
irq_map[i] = platform_get_irq(pdev, i);
for (i = 0; i < HISI_SAS_PHY_INT_NR; i++) {
- int idx = i;
-
- irq = irq_map[idx + 1]; /* Phy up/down is irq1 */
- if (!irq) {
- dev_err(dev, "irq init: fail map phy interrupt %d\n",
- idx);
- return -ENOENT;
- }
-
+ irq = irq_map[i + 1]; /* Phy up/down is irq1 */
rc = devm_request_irq(dev, irq, phy_interrupts[i], 0,
DRV_NAME " phy", hisi_hba);
if (rc) {
dev_err(dev, "irq init: could not request "
"phy interrupt %d, rc=%d\n",
irq, rc);
- return -ENOENT;
+ rc = -ENOENT;
+ goto free_phy_int_irqs;
}
}
- for (i = 0; i < hisi_hba->n_phy; i++) {
- struct hisi_sas_phy *phy = &hisi_hba->phy[i];
- int idx = i + 72; /* First SATA interrupt is irq72 */
-
- irq = irq_map[idx];
- if (!irq) {
- dev_err(dev, "irq init: fail map phy interrupt %d\n",
- idx);
- return -ENOENT;
- }
+ for (phy_no = 0; phy_no < hisi_hba->n_phy; phy_no++) {
+ struct hisi_sas_phy *phy = &hisi_hba->phy[phy_no];
+ irq = irq_map[phy_no + 72];
rc = devm_request_irq(dev, irq, sata_int_v2_hw, 0,
DRV_NAME " sata", phy);
if (rc) {
dev_err(dev, "irq init: could not request "
"sata interrupt %d, rc=%d\n",
irq, rc);
- return -ENOENT;
+ rc = -ENOENT;
+ goto free_sata_int_irqs;
}
}
- for (i = 0; i < HISI_SAS_FATAL_INT_NR; i++) {
- int idx = i;
-
- irq = irq_map[idx + 81];
- if (!irq) {
- dev_err(dev, "irq init: fail map fatal interrupt %d\n",
- idx);
- return -ENOENT;
- }
-
- rc = devm_request_irq(dev, irq, fatal_interrupts[i], 0,
+ for (fatal_no = 0; fatal_no < HISI_SAS_FATAL_INT_NR; fatal_no++) {
+ irq = irq_map[fatal_no + 81];
+ rc = devm_request_irq(dev, irq, fatal_interrupts[fatal_no], 0,
DRV_NAME " fatal", hisi_hba);
if (rc) {
dev_err(dev,
"irq init: could not request fatal interrupt %d, rc=%d\n",
irq, rc);
- return -ENOENT;
+ rc = -ENOENT;
+ goto free_fatal_int_irqs;
}
}
- for (i = 0; i < hisi_hba->queue_count; i++) {
- int idx = i + 96; /* First cq interrupt is irq96 */
- struct hisi_sas_cq *cq = &hisi_hba->cq[i];
+ for (queue_no = 0; queue_no < hisi_hba->queue_count; queue_no++) {
+ struct hisi_sas_cq *cq = &hisi_hba->cq[queue_no];
struct tasklet_struct *t = &cq->tasklet;
- irq = irq_map[idx];
- if (!irq) {
- dev_err(dev,
- "irq init: could not map cq interrupt %d\n",
- idx);
- return -ENOENT;
- }
+ irq = irq_map[queue_no + 96];
rc = devm_request_irq(dev, irq, cq_interrupt_v2_hw, 0,
- DRV_NAME " cq", &hisi_hba->cq[i]);
+ DRV_NAME " cq", cq);
if (rc) {
dev_err(dev,
"irq init: could not request cq interrupt %d, rc=%d\n",
irq, rc);
- return -ENOENT;
+ rc = -ENOENT;
+ goto free_cq_int_irqs;
}
tasklet_init(t, cq_tasklet_v2_hw, (unsigned long)cq);
}
return 0;
+
+free_cq_int_irqs:
+ for (k = 0; k < queue_no; k++) {
+ struct hisi_sas_cq *cq = &hisi_hba->cq[k];
+
+ free_irq(irq_map[k + 96], cq);
+ tasklet_kill(&cq->tasklet);
+ }
+free_fatal_int_irqs:
+ for (k = 0; k < fatal_no; k++)
+ free_irq(irq_map[k + 81], hisi_hba);
+free_sata_int_irqs:
+ for (k = 0; k < phy_no; k++) {
+ struct hisi_sas_phy *phy = &hisi_hba->phy[k];
+
+ free_irq(irq_map[k + 72], phy);
+ }
+free_phy_int_irqs:
+ for (k = 0; k < i; k++)
+ free_irq(irq_map[k + 1], hisi_hba);
+ return rc;
}
static int hisi_sas_v2_init(struct hisi_hba *hisi_hba)
@@ -3383,19 +3397,21 @@ static void interrupt_disable_v2_hw(struct hisi_hba *hisi_hba)
synchronize_irq(platform_get_irq(pdev, i));
}
+
+static u32 get_phys_state_v2_hw(struct hisi_hba *hisi_hba)
+{
+ return hisi_sas_read32(hisi_hba, PHY_STATE);
+}
+
static int soft_reset_v2_hw(struct hisi_hba *hisi_hba)
{
struct device *dev = hisi_hba->dev;
- u32 old_state, state;
int rc, cnt;
- int phy_no;
-
- old_state = hisi_sas_read32(hisi_hba, PHY_STATE);
interrupt_disable_v2_hw(hisi_hba);
hisi_sas_write32(hisi_hba, DLVRY_QUEUE_ENABLE, 0x0);
- stop_phys_v2_hw(hisi_hba);
+ hisi_sas_stop_phys(hisi_hba);
mdelay(10);
@@ -3425,22 +3441,6 @@ static int soft_reset_v2_hw(struct hisi_hba *hisi_hba)
phys_reject_stp_links_v2_hw(hisi_hba);
- /* Re-enable the PHYs */
- for (phy_no = 0; phy_no < hisi_hba->n_phy; phy_no++) {
- struct hisi_sas_phy *phy = &hisi_hba->phy[phy_no];
- struct asd_sas_phy *sas_phy = &phy->sas_phy;
-
- if (sas_phy->enabled)
- start_phy_v2_hw(hisi_hba, phy_no);
- }
-
- /* Wait for the PHYs to come up and read the PHY state */
- msleep(1000);
-
- state = hisi_sas_read32(hisi_hba, PHY_STATE);
-
- hisi_sas_rescan_topology(hisi_hba, old_state, state);
-
return 0;
}
@@ -3463,11 +3463,13 @@ static const struct hisi_sas_hw hisi_sas_v2_hw = {
.phy_enable = enable_phy_v2_hw,
.phy_disable = disable_phy_v2_hw,
.phy_hard_reset = phy_hard_reset_v2_hw,
+ .get_events = phy_get_events_v2_hw,
.phy_set_linkrate = phy_set_linkrate_v2_hw,
.phy_get_max_linkrate = phy_get_max_linkrate_v2_hw,
.max_command_entries = HISI_SAS_COMMAND_ENTRIES_V2_HW,
.complete_hdr_size = sizeof(struct hisi_sas_complete_v2_hdr),
.soft_reset = soft_reset_v2_hw,
+ .get_phys_state = get_phys_state_v2_hw,
};
static int hisi_sas_v2_probe(struct platform_device *pdev)
@@ -3491,10 +3493,17 @@ static int hisi_sas_v2_remove(struct platform_device *pdev)
{
struct sas_ha_struct *sha = platform_get_drvdata(pdev);
struct hisi_hba *hisi_hba = sha->lldd_ha;
+ int i;
if (timer_pending(&hisi_hba->timer))
del_timer(&hisi_hba->timer);
+ for (i = 0; i < hisi_hba->queue_count; i++) {
+ struct hisi_sas_cq *cq = &hisi_hba->cq[i];
+
+ tasklet_kill(&cq->tasklet);
+ }
+
return hisi_sas_remove(pdev);
}
diff --git a/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c b/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c
index 83d2dca1c650..2e5fa9717be8 100644
--- a/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c
+++ b/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c
@@ -23,14 +23,11 @@
#define PHY_STATE 0x24
#define PHY_PORT_NUM_MA 0x28
#define PHY_CONN_RATE 0x30
-#define AXI_AHB_CLK_CFG 0x3c
#define ITCT_CLR 0x44
#define ITCT_CLR_EN_OFF 16
#define ITCT_CLR_EN_MSK (0x1 << ITCT_CLR_EN_OFF)
#define ITCT_DEV_OFF 0
#define ITCT_DEV_MSK (0x7ff << ITCT_DEV_OFF)
-#define AXI_USER1 0x48
-#define AXI_USER2 0x4c
#define IO_SATA_BROKEN_MSG_ADDR_LO 0x58
#define IO_SATA_BROKEN_MSG_ADDR_HI 0x5c
#define SATA_INITI_D2H_STORE_ADDR_LO 0x60
@@ -137,6 +134,7 @@
#define TX_HARDRST_MSK (0x1 << TX_HARDRST_OFF)
#define RX_IDAF_DWORD0 (PORT_BASE + 0xc4)
#define RXOP_CHECK_CFG_H (PORT_BASE + 0xfc)
+#define STP_LINK_TIMER (PORT_BASE + 0x120)
#define SAS_SSP_CON_TIMER_CFG (PORT_BASE + 0x134)
#define SAS_SMP_CON_TIMER_CFG (PORT_BASE + 0x138)
#define SAS_STP_CON_TIMER_CFG (PORT_BASE + 0x13c)
@@ -167,6 +165,31 @@
#define PHYCTRL_PHY_ENA_MSK (PORT_BASE + 0x2bc)
#define SL_RX_BCAST_CHK_MSK (PORT_BASE + 0x2c0)
#define PHYCTRL_OOB_RESTART_MSK (PORT_BASE + 0x2c4)
+#define DMA_TX_STATUS (PORT_BASE + 0x2d0)
+#define DMA_TX_STATUS_BUSY_OFF 0
+#define DMA_TX_STATUS_BUSY_MSK (0x1 << DMA_TX_STATUS_BUSY_OFF)
+#define DMA_RX_STATUS (PORT_BASE + 0x2e8)
+#define DMA_RX_STATUS_BUSY_OFF 0
+#define DMA_RX_STATUS_BUSY_MSK (0x1 << DMA_RX_STATUS_BUSY_OFF)
+
+#define MAX_ITCT_HW 4096 /* max the hw can support */
+#define DEFAULT_ITCT_HW 2048 /* reset value, not reprogrammed */
+#if (HISI_SAS_MAX_DEVICES > DEFAULT_ITCT_HW)
+#error Max ITCT exceeded
+#endif
+
+#define AXI_MASTER_CFG_BASE (0x5000)
+#define AM_CTRL_GLOBAL (0x0)
+#define AM_CURR_TRANS_RETURN (0x150)
+
+#define AM_CFG_MAX_TRANS (0x5010)
+#define AM_CFG_SINGLE_PORT_MAX_TRANS (0x5014)
+#define AXI_CFG (0x5100)
+#define AM_ROB_ECC_ERR_ADDR (0x510c)
+#define AM_ROB_ECC_ONEBIT_ERR_ADDR_OFF 0
+#define AM_ROB_ECC_ONEBIT_ERR_ADDR_MSK (0xff << AM_ROB_ECC_ONEBIT_ERR_ADDR_OFF)
+#define AM_ROB_ECC_MULBIT_ERR_ADDR_OFF 8
+#define AM_ROB_ECC_MULBIT_ERR_ADDR_MSK (0xff << AM_ROB_ECC_MULBIT_ERR_ADDR_OFF)
/* HW dma structures */
/* Delivery queue header */
@@ -354,8 +377,6 @@ static void init_reg_v3_hw(struct hisi_hba *hisi_hba)
/* Global registers init */
hisi_sas_write32(hisi_hba, DLVRY_QUEUE_ENABLE,
(u32)((1ULL << hisi_hba->queue_count) - 1));
- hisi_sas_write32(hisi_hba, AXI_USER1, 0x0);
- hisi_sas_write32(hisi_hba, AXI_USER2, 0x40000060);
hisi_sas_write32(hisi_hba, HGC_SAS_TXFAIL_RETRY_CTRL, 0x108);
hisi_sas_write32(hisi_hba, CFG_1US_TIMER_TRSH, 0xd);
hisi_sas_write32(hisi_hba, INT_COAL_EN, 0x1);
@@ -371,15 +392,14 @@ static void init_reg_v3_hw(struct hisi_hba *hisi_hba)
hisi_sas_write32(hisi_hba, CHNL_PHYUPDOWN_INT_MSK, 0x0);
hisi_sas_write32(hisi_hba, CHNL_ENT_INT_MSK, 0x0);
hisi_sas_write32(hisi_hba, HGC_COM_INT_MSK, 0x0);
- hisi_sas_write32(hisi_hba, SAS_ECC_INTR_MSK, 0xfff00c30);
+ hisi_sas_write32(hisi_hba, SAS_ECC_INTR_MSK, 0x0);
hisi_sas_write32(hisi_hba, AWQOS_AWCACHE_CFG, 0xf0f0);
hisi_sas_write32(hisi_hba, ARQOS_ARCACHE_CFG, 0xf0f0);
for (i = 0; i < hisi_hba->queue_count; i++)
hisi_sas_write32(hisi_hba, OQ0_INT_SRC_MSK+0x4*i, 0);
- hisi_sas_write32(hisi_hba, AXI_AHB_CLK_CFG, 1);
hisi_sas_write32(hisi_hba, HYPER_STREAM_ID_EN_CFG, 1);
- hisi_sas_write32(hisi_hba, CFG_MAX_TAG, 0xfff07fff);
+ hisi_sas_write32(hisi_hba, AXI_MASTER_CFG_BASE, 0x30000);
for (i = 0; i < hisi_hba->n_phy; i++) {
hisi_sas_phy_write32(hisi_hba, i, PROG_PHY_LINK_RATE, 0x801);
@@ -389,7 +409,6 @@ static void init_reg_v3_hw(struct hisi_hba *hisi_hba)
hisi_sas_phy_write32(hisi_hba, i, RXOP_CHECK_CFG_H, 0x1000);
hisi_sas_phy_write32(hisi_hba, i, CHL_INT1_MSK, 0xffffffff);
hisi_sas_phy_write32(hisi_hba, i, CHL_INT2_MSK, 0x8ffffbff);
- hisi_sas_phy_write32(hisi_hba, i, SL_CFG, 0x83f801fc);
hisi_sas_phy_write32(hisi_hba, i, PHY_CTRL_RDY_MSK, 0x0);
hisi_sas_phy_write32(hisi_hba, i, PHYCTRL_NOT_RDY_MSK, 0x0);
hisi_sas_phy_write32(hisi_hba, i, PHYCTRL_DWS_RESET_MSK, 0x0);
@@ -398,9 +417,11 @@ static void init_reg_v3_hw(struct hisi_hba *hisi_hba)
hisi_sas_phy_write32(hisi_hba, i, PHYCTRL_OOB_RESTART_MSK, 0x0);
hisi_sas_phy_write32(hisi_hba, i, PHY_CTRL, 0x199b4fa);
hisi_sas_phy_write32(hisi_hba, i, SAS_SSP_CON_TIMER_CFG,
- 0xa0064);
+ 0xa03e8);
hisi_sas_phy_write32(hisi_hba, i, SAS_STP_CON_TIMER_CFG,
- 0xa0064);
+ 0xa03e8);
+ hisi_sas_phy_write32(hisi_hba, i, STP_LINK_TIMER,
+ 0x7f7a120);
}
for (i = 0; i < hisi_hba->queue_count; i++) {
/* Delivery queue */
@@ -578,8 +599,6 @@ static void free_device_v3_hw(struct hisi_hba *hisi_hba,
memset(itct, 0, sizeof(struct hisi_sas_itct));
hisi_sas_write32(hisi_hba, ENT_INT_SRC3,
ENT_INT_SRC3_ITC_INT_MSK);
- hisi_hba->devices[dev_id].dev_type = SAS_PHY_UNUSED;
- hisi_hba->devices[dev_id].dev_status = HISI_SAS_DEV_NORMAL;
/* clear the itct */
hisi_sas_write32(hisi_hba, ITCT_CLR, 0);
@@ -610,8 +629,52 @@ static void dereg_device_v3_hw(struct hisi_hba *hisi_hba,
1 << CFG_ABT_SET_IPTT_DONE_OFF);
}
+static int reset_hw_v3_hw(struct hisi_hba *hisi_hba)
+{
+ struct device *dev = hisi_hba->dev;
+ int ret;
+ u32 val;
+
+ hisi_sas_write32(hisi_hba, DLVRY_QUEUE_ENABLE, 0);
+
+ /* Disable all of the PHYs */
+ hisi_sas_stop_phys(hisi_hba);
+ udelay(50);
+
+ /* Ensure axi bus idle */
+ ret = readl_poll_timeout(hisi_hba->regs + AXI_CFG, val, !val,
+ 20000, 1000000);
+ if (ret) {
+ dev_err(dev, "axi bus is not idle, ret = %d!\n", ret);
+ return -EIO;
+ }
+
+ if (ACPI_HANDLE(dev)) {
+ acpi_status s;
+
+ s = acpi_evaluate_object(ACPI_HANDLE(dev), "_RST", NULL, NULL);
+ if (ACPI_FAILURE(s)) {
+ dev_err(dev, "Reset failed\n");
+ return -EIO;
+ }
+ } else
+ dev_err(dev, "no reset method!\n");
+
+ return 0;
+}
+
static int hw_init_v3_hw(struct hisi_hba *hisi_hba)
{
+ struct device *dev = hisi_hba->dev;
+ int rc;
+
+ rc = reset_hw_v3_hw(hisi_hba);
+ if (rc) {
+ dev_err(dev, "hisi_sas_reset_hw failed, rc=%d", rc);
+ return rc;
+ }
+
+ msleep(100);
init_reg_v3_hw(hisi_hba);
return 0;
@@ -640,25 +703,12 @@ static void start_phy_v3_hw(struct hisi_hba *hisi_hba, int phy_no)
enable_phy_v3_hw(hisi_hba, phy_no);
}
-static void stop_phy_v3_hw(struct hisi_hba *hisi_hba, int phy_no)
-{
- disable_phy_v3_hw(hisi_hba, phy_no);
-}
-
-static void start_phys_v3_hw(struct hisi_hba *hisi_hba)
-{
- int i;
-
- for (i = 0; i < hisi_hba->n_phy; i++)
- start_phy_v3_hw(hisi_hba, i);
-}
-
static void phy_hard_reset_v3_hw(struct hisi_hba *hisi_hba, int phy_no)
{
struct hisi_sas_phy *phy = &hisi_hba->phy[phy_no];
u32 txid_auto;
- stop_phy_v3_hw(hisi_hba, phy_no);
+ disable_phy_v3_hw(hisi_hba, phy_no);
if (phy->identify.device_type == SAS_END_DEVICE) {
txid_auto = hisi_sas_phy_read32(hisi_hba, phy_no, TXID_AUTO);
hisi_sas_phy_write32(hisi_hba, phy_no, TXID_AUTO,
@@ -675,7 +725,17 @@ enum sas_linkrate phy_get_max_linkrate_v3_hw(void)
static void phys_init_v3_hw(struct hisi_hba *hisi_hba)
{
- start_phys_v3_hw(hisi_hba);
+ int i;
+
+ for (i = 0; i < hisi_hba->n_phy; i++) {
+ struct hisi_sas_phy *phy = &hisi_hba->phy[i];
+ struct asd_sas_phy *sas_phy = &phy->sas_phy;
+
+ if (!sas_phy->phy->enabled)
+ continue;
+
+ start_phy_v3_hw(hisi_hba, i);
+ }
}
static void sl_notify_v3_hw(struct hisi_hba *hisi_hba, int phy_no)
@@ -1140,7 +1200,6 @@ end:
static int phy_down_v3_hw(int phy_no, struct hisi_hba *hisi_hba)
{
- int res = 0;
u32 phy_state, sl_ctrl, txid_auto;
struct device *dev = hisi_hba->dev;
@@ -1161,7 +1220,7 @@ static int phy_down_v3_hw(int phy_no, struct hisi_hba *hisi_hba)
hisi_sas_phy_write32(hisi_hba, phy_no, CHL_INT0, CHL_INT0_NOT_RDY_MSK);
hisi_sas_phy_write32(hisi_hba, phy_no, PHYCTRL_NOT_RDY_MSK, 0);
- return res;
+ return 0;
}
static void phy_bcast_v3_hw(int phy_no, struct hisi_hba *hisi_hba)
@@ -1259,7 +1318,7 @@ static irqreturn_t int_chnl_int_v3_hw(int irq_no, void *p)
if (irq_msk & (2 << (phy_no * 4)) && irq_value0) {
hisi_sas_phy_write32(hisi_hba, phy_no,
CHL_INT0, irq_value0
- & (~CHL_INT0_HOTPLUG_TOUT_MSK)
+ & (~CHL_INT0_SL_RX_BCST_ACK_MSK)
& (~CHL_INT0_SL_PHY_ENABLE_MSK)
& (~CHL_INT0_NOT_RDY_MSK));
}
@@ -1620,6 +1679,104 @@ static int hisi_sas_v3_init(struct hisi_hba *hisi_hba)
return 0;
}
+static void phy_set_linkrate_v3_hw(struct hisi_hba *hisi_hba, int phy_no,
+ struct sas_phy_linkrates *r)
+{
+ u32 prog_phy_link_rate =
+ hisi_sas_phy_read32(hisi_hba, phy_no, PROG_PHY_LINK_RATE);
+ struct hisi_sas_phy *phy = &hisi_hba->phy[phy_no];
+ struct asd_sas_phy *sas_phy = &phy->sas_phy;
+ int i;
+ enum sas_linkrate min, max;
+ u32 rate_mask = 0;
+
+ if (r->maximum_linkrate == SAS_LINK_RATE_UNKNOWN) {
+ max = sas_phy->phy->maximum_linkrate;
+ min = r->minimum_linkrate;
+ } else if (r->minimum_linkrate == SAS_LINK_RATE_UNKNOWN) {
+ max = r->maximum_linkrate;
+ min = sas_phy->phy->minimum_linkrate;
+ } else
+ return;
+
+ sas_phy->phy->maximum_linkrate = max;
+ sas_phy->phy->minimum_linkrate = min;
+
+ min -= SAS_LINK_RATE_1_5_GBPS;
+ max -= SAS_LINK_RATE_1_5_GBPS;
+
+ for (i = 0; i <= max; i++)
+ rate_mask |= 1 << (i * 2);
+
+ prog_phy_link_rate &= ~0xff;
+ prog_phy_link_rate |= rate_mask;
+
+ hisi_sas_phy_write32(hisi_hba, phy_no, PROG_PHY_LINK_RATE,
+ prog_phy_link_rate);
+
+ phy_hard_reset_v3_hw(hisi_hba, phy_no);
+}
+
+static void interrupt_disable_v3_hw(struct hisi_hba *hisi_hba)
+{
+ struct pci_dev *pdev = hisi_hba->pci_dev;
+ int i;
+
+ synchronize_irq(pci_irq_vector(pdev, 1));
+ synchronize_irq(pci_irq_vector(pdev, 2));
+ synchronize_irq(pci_irq_vector(pdev, 11));
+ for (i = 0; i < hisi_hba->queue_count; i++) {
+ hisi_sas_write32(hisi_hba, OQ0_INT_SRC_MSK + 0x4 * i, 0x1);
+ synchronize_irq(pci_irq_vector(pdev, i + 16));
+ }
+
+ hisi_sas_write32(hisi_hba, ENT_INT_SRC_MSK1, 0xffffffff);
+ hisi_sas_write32(hisi_hba, ENT_INT_SRC_MSK2, 0xffffffff);
+ hisi_sas_write32(hisi_hba, ENT_INT_SRC_MSK3, 0xffffffff);
+ hisi_sas_write32(hisi_hba, SAS_ECC_INTR_MSK, 0xffffffff);
+
+ for (i = 0; i < hisi_hba->n_phy; i++) {
+ hisi_sas_phy_write32(hisi_hba, i, CHL_INT1_MSK, 0xffffffff);
+ hisi_sas_phy_write32(hisi_hba, i, CHL_INT2_MSK, 0xffffffff);
+ hisi_sas_phy_write32(hisi_hba, i, PHYCTRL_NOT_RDY_MSK, 0x1);
+ hisi_sas_phy_write32(hisi_hba, i, PHYCTRL_PHY_ENA_MSK, 0x1);
+ hisi_sas_phy_write32(hisi_hba, i, SL_RX_BCAST_CHK_MSK, 0x1);
+ }
+}
+
+static u32 get_phys_state_v3_hw(struct hisi_hba *hisi_hba)
+{
+ return hisi_sas_read32(hisi_hba, PHY_STATE);
+}
+
+static int soft_reset_v3_hw(struct hisi_hba *hisi_hba)
+{
+ struct device *dev = hisi_hba->dev;
+ int rc;
+ u32 status;
+
+ interrupt_disable_v3_hw(hisi_hba);
+ hisi_sas_write32(hisi_hba, DLVRY_QUEUE_ENABLE, 0x0);
+
+ hisi_sas_stop_phys(hisi_hba);
+
+ mdelay(10);
+
+ hisi_sas_write32(hisi_hba, AXI_MASTER_CFG_BASE + AM_CTRL_GLOBAL, 0x1);
+
+ /* wait until bus idle */
+ rc = readl_poll_timeout(hisi_hba->regs + AXI_MASTER_CFG_BASE +
+ AM_CURR_TRANS_RETURN, status, status == 0x3, 10, 100);
+ if (rc) {
+ dev_err(dev, "axi bus is not idle, rc = %d\n", rc);
+ return rc;
+ }
+
+ hisi_sas_init_mem(hisi_hba);
+
+ return hw_init_v3_hw(hisi_hba);
+}
+
static const struct hisi_sas_hw hisi_sas_v3_hw = {
.hw_init = hisi_sas_v3_init,
.setup_itct = setup_itct_v3_hw,
@@ -1640,7 +1797,10 @@ static const struct hisi_sas_hw hisi_sas_v3_hw = {
.phy_disable = disable_phy_v3_hw,
.phy_hard_reset = phy_hard_reset_v3_hw,
.phy_get_max_linkrate = phy_get_max_linkrate_v3_hw,
+ .phy_set_linkrate = phy_set_linkrate_v3_hw,
.dereg_device = dereg_device_v3_hw,
+ .soft_reset = soft_reset_v3_hw,
+ .get_phys_state = get_phys_state_v3_hw,
};
static struct Scsi_Host *
@@ -1651,8 +1811,10 @@ hisi_sas_shost_alloc_pci(struct pci_dev *pdev)
struct device *dev = &pdev->dev;
shost = scsi_host_alloc(hisi_sas_sht, sizeof(*hisi_hba));
- if (!shost)
- goto err_out;
+ if (!shost) {
+ dev_err(dev, "shost alloc failed\n");
+ return NULL;
+ }
hisi_hba = shost_priv(shost);
hisi_hba->hw = &hisi_sas_v3_hw;
@@ -1673,6 +1835,7 @@ hisi_sas_shost_alloc_pci(struct pci_dev *pdev)
return shost;
err_out:
+ scsi_host_put(shost);
dev_err(dev, "shost alloc failed\n");
return NULL;
}
@@ -1781,7 +1944,7 @@ hisi_sas_v3_probe(struct pci_dev *pdev, const struct pci_device_id *id)
err_out_register_ha:
scsi_remove_host(shost);
err_out_ha:
- kfree(shost);
+ scsi_host_put(shost);
err_out_regions:
pci_release_regions(pdev);
err_out_disable_device:
@@ -1801,6 +1964,7 @@ hisi_sas_v3_destroy_irqs(struct pci_dev *pdev, struct hisi_hba *hisi_hba)
struct hisi_sas_cq *cq = &hisi_hba->cq[i];
free_irq(pci_irq_vector(pdev, i+16), cq);
+ tasklet_kill(&cq->tasklet);
}
pci_free_irq_vectors(pdev);
}
@@ -1810,14 +1974,16 @@ static void hisi_sas_v3_remove(struct pci_dev *pdev)
struct device *dev = &pdev->dev;
struct sas_ha_struct *sha = dev_get_drvdata(dev);
struct hisi_hba *hisi_hba = sha->lldd_ha;
+ struct Scsi_Host *shost = sha->core.shost;
sas_unregister_ha(sha);
sas_remove_host(sha->core.shost);
- hisi_sas_free(hisi_hba);
hisi_sas_v3_destroy_irqs(pdev, hisi_hba);
pci_release_regions(pdev);
pci_disable_device(pdev);
+ hisi_sas_free(hisi_hba);
+ scsi_host_put(shost);
}
enum {
@@ -1839,7 +2005,6 @@ static struct pci_driver sas_v3_pci_driver = {
module_pci_driver(sas_v3_pci_driver);
-MODULE_VERSION(DRV_VERSION);
MODULE_LICENSE("GPL");
MODULE_AUTHOR("John Garry <john.garry@huawei.com>");
MODULE_DESCRIPTION("HISILICON SAS controller v3 hw driver based on pci device");
diff --git a/drivers/scsi/hpsa.c b/drivers/scsi/hpsa.c
index 4f7cdb28bd38..9abe81021484 100644
--- a/drivers/scsi/hpsa.c
+++ b/drivers/scsi/hpsa.c
@@ -81,11 +81,8 @@ MODULE_DESCRIPTION("Driver for HP Smart Array Controller version " \
MODULE_SUPPORTED_DEVICE("HP Smart Array Controllers");
MODULE_VERSION(HPSA_DRIVER_VERSION);
MODULE_LICENSE("GPL");
+MODULE_ALIAS("cciss");
-static int hpsa_allow_any;
-module_param(hpsa_allow_any, int, S_IRUGO|S_IWUSR);
-MODULE_PARM_DESC(hpsa_allow_any,
- "Allow hpsa driver to access unknown HP Smart Array hardware");
static int hpsa_simple_mode;
module_param(hpsa_simple_mode, int, S_IRUGO|S_IWUSR);
MODULE_PARM_DESC(hpsa_simple_mode,
@@ -148,6 +145,8 @@ static const struct pci_device_id hpsa_pci_device_id[] = {
{PCI_VENDOR_ID_HP, 0x333f, 0x103c, 0x333f},
{PCI_VENDOR_ID_HP, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID,
PCI_CLASS_STORAGE_RAID << 8, 0xffff << 8, 0},
+ {PCI_VENDOR_ID_COMPAQ, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID,
+ PCI_CLASS_STORAGE_RAID << 8, 0xffff << 8, 0},
{0,}
};
@@ -158,6 +157,26 @@ MODULE_DEVICE_TABLE(pci, hpsa_pci_device_id);
* access = Address of the struct of function pointers
*/
static struct board_type products[] = {
+ {0x40700E11, "Smart Array 5300", &SA5A_access},
+ {0x40800E11, "Smart Array 5i", &SA5B_access},
+ {0x40820E11, "Smart Array 532", &SA5B_access},
+ {0x40830E11, "Smart Array 5312", &SA5B_access},
+ {0x409A0E11, "Smart Array 641", &SA5A_access},
+ {0x409B0E11, "Smart Array 642", &SA5A_access},
+ {0x409C0E11, "Smart Array 6400", &SA5A_access},
+ {0x409D0E11, "Smart Array 6400 EM", &SA5A_access},
+ {0x40910E11, "Smart Array 6i", &SA5A_access},
+ {0x3225103C, "Smart Array P600", &SA5A_access},
+ {0x3223103C, "Smart Array P800", &SA5A_access},
+ {0x3234103C, "Smart Array P400", &SA5A_access},
+ {0x3235103C, "Smart Array P400i", &SA5A_access},
+ {0x3211103C, "Smart Array E200i", &SA5A_access},
+ {0x3212103C, "Smart Array E200", &SA5A_access},
+ {0x3213103C, "Smart Array E200i", &SA5A_access},
+ {0x3214103C, "Smart Array E200i", &SA5A_access},
+ {0x3215103C, "Smart Array E200i", &SA5A_access},
+ {0x3237103C, "Smart Array E500", &SA5A_access},
+ {0x323D103C, "Smart Array P700m", &SA5A_access},
{0x3241103C, "Smart Array P212", &SA5_access},
{0x3243103C, "Smart Array P410", &SA5_access},
{0x3245103C, "Smart Array P410i", &SA5_access},
@@ -278,7 +297,8 @@ static int hpsa_find_cfg_addrs(struct pci_dev *pdev, void __iomem *vaddr,
u64 *cfg_offset);
static int hpsa_pci_find_memory_BAR(struct pci_dev *pdev,
unsigned long *memory_bar);
-static int hpsa_lookup_board_id(struct pci_dev *pdev, u32 *board_id);
+static int hpsa_lookup_board_id(struct pci_dev *pdev, u32 *board_id,
+ bool *legacy_board);
static int wait_for_device_to_become_ready(struct ctlr_info *h,
unsigned char lunaddr[],
int reply_queue);
@@ -866,6 +886,16 @@ static ssize_t host_show_ctlr_num(struct device *dev,
return snprintf(buf, 20, "%d\n", h->ctlr);
}
+static ssize_t host_show_legacy_board(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct ctlr_info *h;
+ struct Scsi_Host *shost = class_to_shost(dev);
+
+ h = shost_to_hba(shost);
+ return snprintf(buf, 20, "%d\n", h->legacy_board ? 1 : 0);
+}
+
static DEVICE_ATTR(raid_level, S_IRUGO, raid_level_show, NULL);
static DEVICE_ATTR(lunid, S_IRUGO, lunid_show, NULL);
static DEVICE_ATTR(unique_id, S_IRUGO, unique_id_show, NULL);
@@ -891,6 +921,8 @@ static DEVICE_ATTR(lockup_detected, S_IRUGO,
host_show_lockup_detected, NULL);
static DEVICE_ATTR(ctlr_num, S_IRUGO,
host_show_ctlr_num, NULL);
+static DEVICE_ATTR(legacy_board, S_IRUGO,
+ host_show_legacy_board, NULL);
static struct device_attribute *hpsa_sdev_attrs[] = {
&dev_attr_raid_level,
@@ -912,6 +944,7 @@ static struct device_attribute *hpsa_shost_attrs[] = {
&dev_attr_raid_offload_debug,
&dev_attr_lockup_detected,
&dev_attr_ctlr_num,
+ &dev_attr_legacy_board,
NULL,
};
@@ -3565,7 +3598,7 @@ static int hpsa_scsi_do_report_luns(struct ctlr_info *h, int logical,
memset(scsi3addr, 0, sizeof(scsi3addr));
if (fill_cmd(c, logical ? HPSA_REPORT_LOG : HPSA_REPORT_PHYS, h,
buf, bufsize, 0, scsi3addr, TYPE_CMD)) {
- rc = -1;
+ rc = -EAGAIN;
goto out;
}
if (extended_response)
@@ -3578,16 +3611,19 @@ static int hpsa_scsi_do_report_luns(struct ctlr_info *h, int logical,
if (ei->CommandStatus != 0 &&
ei->CommandStatus != CMD_DATA_UNDERRUN) {
hpsa_scsi_interpret_error(h, c);
- rc = -1;
+ rc = -EIO;
} else {
struct ReportLUNdata *rld = buf;
if (rld->extended_response_flag != extended_response) {
- dev_err(&h->pdev->dev,
- "report luns requested format %u, got %u\n",
- extended_response,
- rld->extended_response_flag);
- rc = -1;
+ if (!h->legacy_board) {
+ dev_err(&h->pdev->dev,
+ "report luns requested format %u, got %u\n",
+ extended_response,
+ rld->extended_response_flag);
+ rc = -EINVAL;
+ } else
+ rc = -EOPNOTSUPP;
}
}
out:
@@ -3603,7 +3639,7 @@ static inline int hpsa_scsi_do_report_phys_luns(struct ctlr_info *h,
rc = hpsa_scsi_do_report_luns(h, 0, buf, bufsize,
HPSA_REPORT_PHYS_EXTENDED);
- if (!rc || !hpsa_allow_any)
+ if (!rc || rc != -EOPNOTSUPP)
return rc;
/* REPORT PHYS EXTENDED is not supported */
@@ -3791,7 +3827,7 @@ static int hpsa_update_device_info(struct ctlr_info *h,
memset(this_device->device_id, 0,
sizeof(this_device->device_id));
if (hpsa_get_device_id(h, scsi3addr, this_device->device_id, 8,
- sizeof(this_device->device_id)))
+ sizeof(this_device->device_id)) < 0)
dev_err(&h->pdev->dev,
"hpsa%d: %s: can't get device id for host %d:C0:T%d:L%d\t%s\t%.16s\n",
h->ctlr, __func__,
@@ -3809,6 +3845,16 @@ static int hpsa_update_device_info(struct ctlr_info *h,
if (h->fw_support & MISC_FW_RAID_OFFLOAD_BASIC)
hpsa_get_ioaccel_status(h, scsi3addr, this_device);
volume_offline = hpsa_volume_offline(h, scsi3addr);
+ if (volume_offline == HPSA_VPD_LV_STATUS_UNSUPPORTED &&
+ h->legacy_board) {
+ /*
+ * Legacy boards might not support volume status
+ */
+ dev_info(&h->pdev->dev,
+ "C0:T%d:L%d Volume status not available, assuming online.\n",
+ this_device->target, this_device->lun);
+ volume_offline = 0;
+ }
this_device->volume_offline = volume_offline;
if (volume_offline == HPSA_LV_FAILED) {
rc = HPSA_LV_FAILED;
@@ -6571,7 +6617,6 @@ static int fill_cmd(struct CommandList *c, u8 cmd, struct ctlr_info *h,
default:
dev_warn(&h->pdev->dev, "unknown command 0x%c\n", cmd);
BUG();
- return -1;
}
} else if (cmd_type == TYPE_MSG) {
switch (cmd) {
@@ -7232,7 +7277,8 @@ static int hpsa_interrupt_mode(struct ctlr_info *h)
return 0;
}
-static int hpsa_lookup_board_id(struct pci_dev *pdev, u32 *board_id)
+static int hpsa_lookup_board_id(struct pci_dev *pdev, u32 *board_id,
+ bool *legacy_board)
{
int i;
u32 subsystem_vendor_id, subsystem_device_id;
@@ -7242,17 +7288,24 @@ static int hpsa_lookup_board_id(struct pci_dev *pdev, u32 *board_id)
*board_id = ((subsystem_device_id << 16) & 0xffff0000) |
subsystem_vendor_id;
+ if (legacy_board)
+ *legacy_board = false;
for (i = 0; i < ARRAY_SIZE(products); i++)
- if (*board_id == products[i].board_id)
+ if (*board_id == products[i].board_id) {
+ if (products[i].access != &SA5A_access &&
+ products[i].access != &SA5B_access)
+ return i;
+ dev_warn(&pdev->dev,
+ "legacy board ID: 0x%08x\n",
+ *board_id);
+ if (legacy_board)
+ *legacy_board = true;
return i;
+ }
- if ((subsystem_vendor_id != PCI_VENDOR_ID_HP &&
- subsystem_vendor_id != PCI_VENDOR_ID_COMPAQ) ||
- !hpsa_allow_any) {
- dev_warn(&pdev->dev, "unrecognized board ID: "
- "0x%08x, ignoring.\n", *board_id);
- return -ENODEV;
- }
+ dev_warn(&pdev->dev, "unrecognized board ID: 0x%08x\n", *board_id);
+ if (legacy_board)
+ *legacy_board = true;
return ARRAY_SIZE(products) - 1; /* generic unknown smart array */
}
@@ -7555,13 +7608,14 @@ static void hpsa_free_pci_init(struct ctlr_info *h)
static int hpsa_pci_init(struct ctlr_info *h)
{
int prod_index, err;
+ bool legacy_board;
- prod_index = hpsa_lookup_board_id(h->pdev, &h->board_id);
+ prod_index = hpsa_lookup_board_id(h->pdev, &h->board_id, &legacy_board);
if (prod_index < 0)
return prod_index;
h->product_name = products[prod_index].product_name;
h->access = *(products[prod_index].access);
-
+ h->legacy_board = legacy_board;
pci_disable_link_state(h->pdev, PCIE_LINK_STATE_L0S |
PCIE_LINK_STATE_L1 | PCIE_LINK_STATE_CLKPM);
@@ -8241,7 +8295,7 @@ static int hpsa_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
if (number_of_controllers == 0)
printk(KERN_INFO DRIVER_NAME "\n");
- rc = hpsa_lookup_board_id(pdev, &board_id);
+ rc = hpsa_lookup_board_id(pdev, &board_id, NULL);
if (rc < 0) {
dev_warn(&pdev->dev, "Board ID not found\n");
return rc;
@@ -9443,14 +9497,6 @@ hpsa_sas_phy_speed(struct sas_phy *phy, struct sas_phy_linkrates *rates)
return -EINVAL;
}
-/* SMP = Serial Management Protocol */
-static int
-hpsa_sas_smp_handler(struct Scsi_Host *shost, struct sas_rphy *rphy,
-struct request *req)
-{
- return -EINVAL;
-}
-
static struct sas_function_template hpsa_sas_transport_functions = {
.get_linkerrors = hpsa_sas_get_linkerrors,
.get_enclosure_identifier = hpsa_sas_get_enclosure_identifier,
@@ -9460,7 +9506,6 @@ static struct sas_function_template hpsa_sas_transport_functions = {
.phy_setup = hpsa_sas_phy_setup,
.phy_release = hpsa_sas_phy_release,
.set_phy_speed = hpsa_sas_phy_speed,
- .smp_handler = hpsa_sas_smp_handler,
};
/*
diff --git a/drivers/scsi/hpsa.h b/drivers/scsi/hpsa.h
index 1c49741bc639..018f980a701c 100644
--- a/drivers/scsi/hpsa.h
+++ b/drivers/scsi/hpsa.h
@@ -293,6 +293,7 @@ struct ctlr_info {
int drv_req_rescan;
int raid_offload_debug;
int discovery_polling;
+ int legacy_board;
struct ReportLUNdata *lastlogicals;
int needs_abort_tags_swizzled;
struct workqueue_struct *resubmit_wq;
@@ -447,6 +448,23 @@ static void SA5_intr_mask(struct ctlr_info *h, unsigned long val)
}
}
+/*
+ * Variant of the above; 0x04 turns interrupts off...
+ */
+static void SA5B_intr_mask(struct ctlr_info *h, unsigned long val)
+{
+ if (val) { /* Turn interrupts on */
+ h->interrupts_enabled = 1;
+ writel(0, h->vaddr + SA5_REPLY_INTR_MASK_OFFSET);
+ (void) readl(h->vaddr + SA5_REPLY_INTR_MASK_OFFSET);
+ } else { /* Turn them off */
+ h->interrupts_enabled = 0;
+ writel(SA5B_INTR_OFF,
+ h->vaddr + SA5_REPLY_INTR_MASK_OFFSET);
+ (void) readl(h->vaddr + SA5_REPLY_INTR_MASK_OFFSET);
+ }
+}
+
static void SA5_performant_intr_mask(struct ctlr_info *h, unsigned long val)
{
if (val) { /* turn on interrupts */
@@ -549,6 +567,14 @@ static bool SA5_ioaccel_mode1_intr_pending(struct ctlr_info *h)
true : false;
}
+/*
+ * Returns true if an interrupt is pending..
+ */
+static bool SA5B_intr_pending(struct ctlr_info *h)
+{
+ return readl(h->vaddr + SA5_INTR_STATUS) & SA5B_INTR_PENDING;
+}
+
#define IOACCEL_MODE1_REPLY_QUEUE_INDEX 0x1A0
#define IOACCEL_MODE1_PRODUCER_INDEX 0x1B8
#define IOACCEL_MODE1_CONSUMER_INDEX 0x1BC
@@ -581,38 +607,53 @@ static unsigned long SA5_ioaccel_mode1_completed(struct ctlr_info *h, u8 q)
}
static struct access_method SA5_access = {
- .submit_command = SA5_submit_command,
- .set_intr_mask = SA5_intr_mask,
- .intr_pending = SA5_intr_pending,
- .command_completed = SA5_completed,
+ .submit_command = SA5_submit_command,
+ .set_intr_mask = SA5_intr_mask,
+ .intr_pending = SA5_intr_pending,
+ .command_completed = SA5_completed,
+};
+
+/* Duplicate entry of the above to mark unsupported boards */
+static struct access_method SA5A_access = {
+ .submit_command = SA5_submit_command,
+ .set_intr_mask = SA5_intr_mask,
+ .intr_pending = SA5_intr_pending,
+ .command_completed = SA5_completed,
+};
+
+static struct access_method SA5B_access = {
+ .submit_command = SA5_submit_command,
+ .set_intr_mask = SA5B_intr_mask,
+ .intr_pending = SA5B_intr_pending,
+ .command_completed = SA5_completed,
};
static struct access_method SA5_ioaccel_mode1_access = {
- .submit_command = SA5_submit_command,
- .set_intr_mask = SA5_performant_intr_mask,
- .intr_pending = SA5_ioaccel_mode1_intr_pending,
- .command_completed = SA5_ioaccel_mode1_completed,
+ .submit_command = SA5_submit_command,
+ .set_intr_mask = SA5_performant_intr_mask,
+ .intr_pending = SA5_ioaccel_mode1_intr_pending,
+ .command_completed = SA5_ioaccel_mode1_completed,
};
static struct access_method SA5_ioaccel_mode2_access = {
- .submit_command = SA5_submit_command_ioaccel2,
- .set_intr_mask = SA5_performant_intr_mask,
- .intr_pending = SA5_performant_intr_pending,
- .command_completed = SA5_performant_completed,
+ .submit_command = SA5_submit_command_ioaccel2,
+ .set_intr_mask = SA5_performant_intr_mask,
+ .intr_pending = SA5_performant_intr_pending,
+ .command_completed = SA5_performant_completed,
};
static struct access_method SA5_performant_access = {
- .submit_command = SA5_submit_command,
- .set_intr_mask = SA5_performant_intr_mask,
- .intr_pending = SA5_performant_intr_pending,
- .command_completed = SA5_performant_completed,
+ .submit_command = SA5_submit_command,
+ .set_intr_mask = SA5_performant_intr_mask,
+ .intr_pending = SA5_performant_intr_pending,
+ .command_completed = SA5_performant_completed,
};
static struct access_method SA5_performant_access_no_read = {
- .submit_command = SA5_submit_command_no_read,
- .set_intr_mask = SA5_performant_intr_mask,
- .intr_pending = SA5_performant_intr_pending,
- .command_completed = SA5_performant_completed,
+ .submit_command = SA5_submit_command_no_read,
+ .set_intr_mask = SA5_performant_intr_mask,
+ .intr_pending = SA5_performant_intr_pending,
+ .command_completed = SA5_performant_completed,
};
struct board_type {
diff --git a/drivers/scsi/hptiop.c b/drivers/scsi/hptiop.c
index 7226226f7383..2fad7f03aa02 100644
--- a/drivers/scsi/hptiop.c
+++ b/drivers/scsi/hptiop.c
@@ -1106,12 +1106,10 @@ static int hptiop_reset_hba(struct hptiop_hba *hba)
static int hptiop_reset(struct scsi_cmnd *scp)
{
- struct Scsi_Host * host = scp->device->host;
- struct hptiop_hba * hba = (struct hptiop_hba *)host->hostdata;
+ struct hptiop_hba * hba = (struct hptiop_hba *)scp->device->host->hostdata;
- printk(KERN_WARNING "hptiop_reset(%d/%d/%d) scp=%p\n",
- scp->device->host->host_no, scp->device->channel,
- scp->device->id, scp);
+ printk(KERN_WARNING "hptiop_reset(%d/%d/%d)\n",
+ scp->device->host->host_no, -1, -1);
return hptiop_reset_hba(hba)? FAILED : SUCCESS;
}
@@ -1179,8 +1177,7 @@ static struct scsi_host_template driver_template = {
.module = THIS_MODULE,
.name = driver_name,
.queuecommand = hptiop_queuecommand,
- .eh_device_reset_handler = hptiop_reset,
- .eh_bus_reset_handler = hptiop_reset,
+ .eh_host_reset_handler = hptiop_reset,
.info = hptiop_info,
.emulated = 0,
.use_clustering = ENABLE_CLUSTERING,
diff --git a/drivers/scsi/ibmvscsi/ibmvfc.c b/drivers/scsi/ibmvscsi/ibmvfc.c
index cc4e05be8d4a..b491af31a5f8 100644
--- a/drivers/scsi/ibmvscsi/ibmvfc.c
+++ b/drivers/scsi/ibmvscsi/ibmvfc.c
@@ -2528,16 +2528,12 @@ static int ibmvfc_eh_target_reset_handler(struct scsi_cmnd *cmd)
**/
static int ibmvfc_eh_host_reset_handler(struct scsi_cmnd *cmd)
{
- int rc, block_rc;
+ int rc;
struct ibmvfc_host *vhost = shost_priv(cmd->device->host);
- block_rc = fc_block_scsi_eh(cmd);
dev_err(vhost->dev, "Resetting connection due to error recovery\n");
rc = ibmvfc_issue_fc_host_lip(vhost->host);
- if (block_rc == FAST_IO_FAIL)
- return FAST_IO_FAIL;
-
return rc ? FAILED : SUCCESS;
}
@@ -4929,7 +4925,7 @@ static unsigned long ibmvfc_get_desired_dma(struct vio_dev *vdev)
return pool_dma + ((512 * 1024) * driver_template.cmd_per_lun);
}
-static struct vio_device_id ibmvfc_device_table[] = {
+static const struct vio_device_id ibmvfc_device_table[] = {
{"fcp", "IBM,vfc-client"},
{ "", "" }
};
diff --git a/drivers/scsi/ibmvscsi/ibmvscsi.c b/drivers/scsi/ibmvscsi/ibmvscsi.c
index da22b3665cb0..7d156b161482 100644
--- a/drivers/scsi/ibmvscsi/ibmvscsi.c
+++ b/drivers/scsi/ibmvscsi/ibmvscsi.c
@@ -2330,7 +2330,7 @@ static int ibmvscsi_resume(struct device *dev)
* ibmvscsi_device_table: Used by vio.c to match devices in the device tree we
* support.
*/
-static struct vio_device_id ibmvscsi_device_table[] = {
+static const struct vio_device_id ibmvscsi_device_table[] = {
{"vscsi", "IBM,v-scsi"},
{ "", "" }
};
diff --git a/drivers/scsi/ibmvscsi_tgt/ibmvscsi_tgt.c b/drivers/scsi/ibmvscsi_tgt/ibmvscsi_tgt.c
index 1f75d0380516..785fb42f6650 100644
--- a/drivers/scsi/ibmvscsi_tgt/ibmvscsi_tgt.c
+++ b/drivers/scsi/ibmvscsi_tgt/ibmvscsi_tgt.c
@@ -4086,7 +4086,7 @@ static struct class ibmvscsis_class = {
.dev_groups = ibmvscsis_dev_groups,
};
-static struct vio_device_id ibmvscsis_device_table[] = {
+static const struct vio_device_id ibmvscsis_device_table[] = {
{ "v-scsi-host", "IBM,v-scsi-host" },
{ "", "" }
};
diff --git a/drivers/scsi/imm.c b/drivers/scsi/imm.c
index 9164ce1249c1..87c94191033b 100644
--- a/drivers/scsi/imm.c
+++ b/drivers/scsi/imm.c
@@ -1106,7 +1106,6 @@ static struct scsi_host_template imm_template = {
.name = "Iomega VPI2 (imm) interface",
.queuecommand = imm_queuecommand,
.eh_abort_handler = imm_abort,
- .eh_bus_reset_handler = imm_reset,
.eh_host_reset_handler = imm_reset,
.bios_param = imm_biosparam,
.this_id = 7,
diff --git a/drivers/scsi/isci/init.c b/drivers/scsi/isci/init.c
index 45371179ab87..922e3e56c90d 100644
--- a/drivers/scsi/isci/init.c
+++ b/drivers/scsi/isci/init.c
@@ -166,7 +166,7 @@ static struct scsi_host_template isci_sht = {
.use_clustering = ENABLE_CLUSTERING,
.eh_abort_handler = sas_eh_abort_handler,
.eh_device_reset_handler = sas_eh_device_reset_handler,
- .eh_bus_reset_handler = sas_eh_bus_reset_handler,
+ .eh_target_reset_handler = sas_eh_target_reset_handler,
.target_destroy = sas_target_destroy,
.ioctl = sas_ioctl,
.shost_attrs = isci_host_attrs,
diff --git a/drivers/scsi/iscsi_tcp.c b/drivers/scsi/iscsi_tcp.c
index 4842fc0e809d..4d934d6c3e13 100644
--- a/drivers/scsi/iscsi_tcp.c
+++ b/drivers/scsi/iscsi_tcp.c
@@ -163,7 +163,6 @@ static void iscsi_sw_tcp_state_change(struct sock *sk)
struct iscsi_tcp_conn *tcp_conn;
struct iscsi_sw_tcp_conn *tcp_sw_conn;
struct iscsi_conn *conn;
- struct iscsi_session *session;
void (*old_state_change)(struct sock *);
read_lock_bh(&sk->sk_callback_lock);
@@ -172,7 +171,6 @@ static void iscsi_sw_tcp_state_change(struct sock *sk)
read_unlock_bh(&sk->sk_callback_lock);
return;
}
- session = conn->session;
iscsi_sw_sk_state_check(sk);
diff --git a/drivers/scsi/libfc/fc_fcp.c b/drivers/scsi/libfc/fc_fcp.c
index 234352da5c3c..772c35a5c49e 100644
--- a/drivers/scsi/libfc/fc_fcp.c
+++ b/drivers/scsi/libfc/fc_fcp.c
@@ -2222,8 +2222,6 @@ int fc_eh_host_reset(struct scsi_cmnd *sc_cmd)
FC_SCSI_DBG(lport, "Resetting host\n");
- fc_block_scsi_eh(sc_cmd);
-
fc_lport_reset(lport);
wait_tmo = jiffies + FC_HOST_RESET_TIMEOUT;
while (!fc_fcp_lport_queue_ready(lport) && time_before(jiffies,
diff --git a/drivers/scsi/libiscsi.c b/drivers/scsi/libiscsi.c
index 42381adf0769..bd4605a34f54 100644
--- a/drivers/scsi/libiscsi.c
+++ b/drivers/scsi/libiscsi.c
@@ -1078,7 +1078,7 @@ static int iscsi_handle_reject(struct iscsi_conn *conn, struct iscsi_hdr *hdr,
if (opcode != ISCSI_OP_NOOP_OUT)
return 0;
- if (rejected_pdu.itt == cpu_to_be32(ISCSI_RESERVED_TAG)) {
+ if (rejected_pdu.itt == cpu_to_be32(ISCSI_RESERVED_TAG)) {
/*
* nop-out in response to target's nop-out rejected.
* Just resend.
diff --git a/drivers/scsi/libsas/Kconfig b/drivers/scsi/libsas/Kconfig
index 9dafe64e7c7a..13739bfacc67 100644
--- a/drivers/scsi/libsas/Kconfig
+++ b/drivers/scsi/libsas/Kconfig
@@ -26,6 +26,7 @@ config SCSI_SAS_LIBSAS
tristate "SAS Domain Transport Attributes"
depends on SCSI
select SCSI_SAS_ATTRS
+ select BLK_DEV_BSGLIB
help
This provides transport specific helpers for SAS drivers which
use the domain device construct (like the aic94xxx).
diff --git a/drivers/scsi/libsas/sas_ata.c b/drivers/scsi/libsas/sas_ata.c
index 87f5e694dbed..70be4425ae0b 100644
--- a/drivers/scsi/libsas/sas_ata.c
+++ b/drivers/scsi/libsas/sas_ata.c
@@ -343,6 +343,7 @@ static int smp_ata_check_ready(struct ata_link *link)
case SAS_END_DEVICE:
if (ex_phy->attached_sata_dev)
return sas_ata_clear_pending(dev, ex_phy);
+ /* fall through */
default:
return -ENODEV;
}
diff --git a/drivers/scsi/libsas/sas_expander.c b/drivers/scsi/libsas/sas_expander.c
index 570b2cb2da43..6b4fd2375178 100644
--- a/drivers/scsi/libsas/sas_expander.c
+++ b/drivers/scsi/libsas/sas_expander.c
@@ -64,8 +64,8 @@ static void smp_task_done(struct sas_task *task)
/* Give it some long enough timeout. In seconds. */
#define SMP_TIMEOUT 10
-static int smp_execute_task(struct domain_device *dev, void *req, int req_size,
- void *resp, int resp_size)
+static int smp_execute_task_sg(struct domain_device *dev,
+ struct scatterlist *req, struct scatterlist *resp)
{
int res, retry;
struct sas_task *task = NULL;
@@ -86,8 +86,8 @@ static int smp_execute_task(struct domain_device *dev, void *req, int req_size,
}
task->dev = dev;
task->task_proto = dev->tproto;
- sg_init_one(&task->smp_task.smp_req, req, req_size);
- sg_init_one(&task->smp_task.smp_resp, resp, resp_size);
+ task->smp_task.smp_req = *req;
+ task->smp_task.smp_resp = *resp;
task->task_done = smp_task_done;
@@ -151,6 +151,17 @@ static int smp_execute_task(struct domain_device *dev, void *req, int req_size,
return res;
}
+static int smp_execute_task(struct domain_device *dev, void *req, int req_size,
+ void *resp, int resp_size)
+{
+ struct scatterlist req_sg;
+ struct scatterlist resp_sg;
+
+ sg_init_one(&req_sg, req, req_size);
+ sg_init_one(&resp_sg, resp, resp_size);
+ return smp_execute_task_sg(dev, &req_sg, &resp_sg);
+}
+
/* ---------- Allocations ---------- */
static inline void *alloc_smp_req(int size)
@@ -2130,57 +2141,50 @@ int sas_ex_revalidate_domain(struct domain_device *port_dev)
return res;
}
-int sas_smp_handler(struct Scsi_Host *shost, struct sas_rphy *rphy,
- struct request *req)
+void sas_smp_handler(struct bsg_job *job, struct Scsi_Host *shost,
+ struct sas_rphy *rphy)
{
struct domain_device *dev;
- int ret, type;
- struct request *rsp = req->next_rq;
-
- if (!rsp) {
- printk("%s: space for a smp response is missing\n",
- __func__);
- return -EINVAL;
- }
+ unsigned int reslen = 0;
+ int ret = -EINVAL;
/* no rphy means no smp target support (ie aic94xx host) */
if (!rphy)
- return sas_smp_host_handler(shost, req, rsp);
-
- type = rphy->identify.device_type;
+ return sas_smp_host_handler(job, shost);
- if (type != SAS_EDGE_EXPANDER_DEVICE &&
- type != SAS_FANOUT_EXPANDER_DEVICE) {
+ switch (rphy->identify.device_type) {
+ case SAS_EDGE_EXPANDER_DEVICE:
+ case SAS_FANOUT_EXPANDER_DEVICE:
+ break;
+ default:
printk("%s: can we send a smp request to a device?\n",
__func__);
- return -EINVAL;
+ goto out;
}
dev = sas_find_dev_by_rphy(rphy);
if (!dev) {
printk("%s: fail to find a domain_device?\n", __func__);
- return -EINVAL;
+ goto out;
}
/* do we need to support multiple segments? */
- if (bio_multiple_segments(req->bio) ||
- bio_multiple_segments(rsp->bio)) {
+ if (job->request_payload.sg_cnt > 1 ||
+ job->reply_payload.sg_cnt > 1) {
printk("%s: multiple segments req %u, rsp %u\n",
- __func__, blk_rq_bytes(req), blk_rq_bytes(rsp));
- return -EINVAL;
+ __func__, job->request_payload.payload_len,
+ job->reply_payload.payload_len);
+ goto out;
}
- ret = smp_execute_task(dev, bio_data(req->bio), blk_rq_bytes(req),
- bio_data(rsp->bio), blk_rq_bytes(rsp));
+ ret = smp_execute_task_sg(dev, job->request_payload.sg_list,
+ job->reply_payload.sg_list);
if (ret > 0) {
/* positive number is the untransferred residual */
- scsi_req(rsp)->resid_len = ret;
- scsi_req(req)->resid_len = 0;
+ reslen = ret;
ret = 0;
- } else if (ret == 0) {
- scsi_req(rsp)->resid_len = 0;
- scsi_req(req)->resid_len = 0;
}
- return ret;
+out:
+ bsg_job_done(job, ret, reslen);
}
diff --git a/drivers/scsi/libsas/sas_host_smp.c b/drivers/scsi/libsas/sas_host_smp.c
index 45cbbc44f4d7..9ead93df3a6e 100644
--- a/drivers/scsi/libsas/sas_host_smp.c
+++ b/drivers/scsi/libsas/sas_host_smp.c
@@ -225,47 +225,36 @@ static void sas_phy_control(struct sas_ha_struct *sas_ha, u8 phy_id,
resp_data[2] = SMP_RESP_FUNC_ACC;
}
-int sas_smp_host_handler(struct Scsi_Host *shost, struct request *req,
- struct request *rsp)
+void sas_smp_host_handler(struct bsg_job *job, struct Scsi_Host *shost)
{
- u8 *req_data = NULL, *resp_data = NULL, *buf;
struct sas_ha_struct *sas_ha = SHOST_TO_SAS_HA(shost);
+ u8 *req_data, *resp_data;
+ unsigned int reslen = 0;
int error = -EINVAL;
/* eight is the minimum size for request and response frames */
- if (blk_rq_bytes(req) < 8 || blk_rq_bytes(rsp) < 8)
+ if (job->request_payload.payload_len < 8 ||
+ job->reply_payload.payload_len < 8)
goto out;
- if (bio_offset(req->bio) + blk_rq_bytes(req) > PAGE_SIZE ||
- bio_offset(rsp->bio) + blk_rq_bytes(rsp) > PAGE_SIZE) {
- shost_printk(KERN_ERR, shost,
- "SMP request/response frame crosses page boundary");
+ error = -ENOMEM;
+ req_data = kzalloc(job->request_payload.payload_len, GFP_KERNEL);
+ if (!req_data)
goto out;
- }
-
- req_data = kzalloc(blk_rq_bytes(req), GFP_KERNEL);
+ sg_copy_to_buffer(job->request_payload.sg_list,
+ job->request_payload.sg_cnt, req_data,
+ job->request_payload.payload_len);
/* make sure frame can always be built ... we copy
* back only the requested length */
- resp_data = kzalloc(max(blk_rq_bytes(rsp), 128U), GFP_KERNEL);
-
- if (!req_data || !resp_data) {
- error = -ENOMEM;
- goto out;
- }
-
- local_irq_disable();
- buf = kmap_atomic(bio_page(req->bio));
- memcpy(req_data, buf, blk_rq_bytes(req));
- kunmap_atomic(buf - bio_offset(req->bio));
- local_irq_enable();
+ resp_data = kzalloc(max(job->reply_payload.payload_len, 128U),
+ GFP_KERNEL);
+ if (!resp_data)
+ goto out_free_req;
+ error = -EINVAL;
if (req_data[0] != SMP_REQUEST)
- goto out;
-
- /* always succeeds ... even if we can't process the request
- * the result is in the response frame */
- error = 0;
+ goto out_free_resp;
/* set up default don't know response */
resp_data[0] = SMP_RESPONSE;
@@ -274,20 +263,18 @@ int sas_smp_host_handler(struct Scsi_Host *shost, struct request *req,
switch (req_data[1]) {
case SMP_REPORT_GENERAL:
- scsi_req(req)->resid_len -= 8;
- scsi_req(rsp)->resid_len -= 32;
resp_data[2] = SMP_RESP_FUNC_ACC;
resp_data[9] = sas_ha->num_phys;
+ reslen = 32;
break;
case SMP_REPORT_MANUF_INFO:
- scsi_req(req)->resid_len -= 8;
- scsi_req(rsp)->resid_len -= 64;
resp_data[2] = SMP_RESP_FUNC_ACC;
memcpy(resp_data + 12, shost->hostt->name,
SAS_EXPANDER_VENDOR_ID_LEN);
memcpy(resp_data + 20, "libsas virt phy",
SAS_EXPANDER_PRODUCT_ID_LEN);
+ reslen = 64;
break;
case SMP_READ_GPIO_REG:
@@ -295,14 +282,10 @@ int sas_smp_host_handler(struct Scsi_Host *shost, struct request *req,
break;
case SMP_DISCOVER:
- scsi_req(req)->resid_len -= 16;
- if ((int)scsi_req(req)->resid_len < 0) {
- scsi_req(req)->resid_len = 0;
- error = -EINVAL;
- goto out;
- }
- scsi_req(rsp)->resid_len -= 56;
+ if (job->request_payload.payload_len < 16)
+ goto out_free_resp;
sas_host_smp_discover(sas_ha, resp_data, req_data[9]);
+ reslen = 56;
break;
case SMP_REPORT_PHY_ERR_LOG:
@@ -311,14 +294,10 @@ int sas_smp_host_handler(struct Scsi_Host *shost, struct request *req,
break;
case SMP_REPORT_PHY_SATA:
- scsi_req(req)->resid_len -= 16;
- if ((int)scsi_req(req)->resid_len < 0) {
- scsi_req(req)->resid_len = 0;
- error = -EINVAL;
- goto out;
- }
- scsi_req(rsp)->resid_len -= 60;
+ if (job->request_payload.payload_len < 16)
+ goto out_free_resp;
sas_report_phy_sata(sas_ha, resp_data, req_data[9]);
+ reslen = 60;
break;
case SMP_REPORT_ROUTE_INFO:
@@ -330,16 +309,15 @@ int sas_smp_host_handler(struct Scsi_Host *shost, struct request *req,
const int base_frame_size = 11;
int to_write = req_data[4];
- if (blk_rq_bytes(req) < base_frame_size + to_write * 4 ||
- scsi_req(req)->resid_len < base_frame_size + to_write * 4) {
+ if (job->request_payload.payload_len <
+ base_frame_size + to_write * 4) {
resp_data[2] = SMP_RESP_INV_FRM_LEN;
break;
}
to_write = sas_host_smp_write_gpio(sas_ha, resp_data, req_data[2],
req_data[3], to_write, &req_data[8]);
- scsi_req(req)->resid_len -= base_frame_size + to_write * 4;
- scsi_req(rsp)->resid_len -= 8;
+ reslen = 8;
break;
}
@@ -348,16 +326,12 @@ int sas_smp_host_handler(struct Scsi_Host *shost, struct request *req,
break;
case SMP_PHY_CONTROL:
- scsi_req(req)->resid_len -= 44;
- if ((int)scsi_req(req)->resid_len < 0) {
- scsi_req(req)->resid_len = 0;
- error = -EINVAL;
- goto out;
- }
- scsi_req(rsp)->resid_len -= 8;
+ if (job->request_payload.payload_len < 44)
+ goto out_free_resp;
sas_phy_control(sas_ha, req_data[9], req_data[10],
req_data[32] >> 4, req_data[33] >> 4,
resp_data);
+ reslen = 8;
break;
case SMP_PHY_TEST_FUNCTION:
@@ -369,15 +343,15 @@ int sas_smp_host_handler(struct Scsi_Host *shost, struct request *req,
break;
}
- local_irq_disable();
- buf = kmap_atomic(bio_page(rsp->bio));
- memcpy(buf, resp_data, blk_rq_bytes(rsp));
- flush_kernel_dcache_page(bio_page(rsp->bio));
- kunmap_atomic(buf - bio_offset(rsp->bio));
- local_irq_enable();
+ sg_copy_from_buffer(job->reply_payload.sg_list,
+ job->reply_payload.sg_cnt, resp_data,
+ job->reply_payload.payload_len);
- out:
- kfree(req_data);
+ error = 0;
+out_free_resp:
kfree(resp_data);
- return error;
+out_free_req:
+ kfree(req_data);
+out:
+ bsg_job_done(job, error, reslen);
}
diff --git a/drivers/scsi/libsas/sas_internal.h b/drivers/scsi/libsas/sas_internal.h
index a216c957b639..c07e08136491 100644
--- a/drivers/scsi/libsas/sas_internal.h
+++ b/drivers/scsi/libsas/sas_internal.h
@@ -81,6 +81,8 @@ int sas_queue_work(struct sas_ha_struct *ha, struct sas_work *sw);
int sas_notify_lldd_dev_found(struct domain_device *);
void sas_notify_lldd_dev_gone(struct domain_device *);
+void sas_smp_handler(struct bsg_job *job, struct Scsi_Host *shost,
+ struct sas_rphy *rphy);
int sas_smp_phy_control(struct domain_device *dev, int phy_id,
enum phy_func phy_func, struct sas_phy_linkrates *);
int sas_smp_get_phy_events(struct sas_phy *phy);
@@ -98,16 +100,14 @@ void sas_hae_reset(struct work_struct *work);
void sas_free_device(struct kref *kref);
#ifdef CONFIG_SCSI_SAS_HOST_SMP
-extern int sas_smp_host_handler(struct Scsi_Host *shost, struct request *req,
- struct request *rsp);
+extern void sas_smp_host_handler(struct bsg_job *job, struct Scsi_Host *shost);
#else
-static inline int sas_smp_host_handler(struct Scsi_Host *shost,
- struct request *req,
- struct request *rsp)
+static inline void sas_smp_host_handler(struct bsg_job *job,
+ struct Scsi_Host *shost)
{
shost_printk(KERN_ERR, shost,
"Cannot send SMP to a sas host (not enabled in CONFIG)\n");
- return -EINVAL;
+ bsg_job_done(job, -EINVAL, 0);
}
#endif
diff --git a/drivers/scsi/libsas/sas_scsi_host.c b/drivers/scsi/libsas/sas_scsi_host.c
index 87e5079d816b..ea8ad06ff582 100644
--- a/drivers/scsi/libsas/sas_scsi_host.c
+++ b/drivers/scsi/libsas/sas_scsi_host.c
@@ -526,7 +526,7 @@ int sas_eh_device_reset_handler(struct scsi_cmnd *cmd)
return FAILED;
}
-int sas_eh_bus_reset_handler(struct scsi_cmnd *cmd)
+int sas_eh_target_reset_handler(struct scsi_cmnd *cmd)
{
int res;
struct Scsi_Host *host = cmd->device->host;
@@ -554,15 +554,15 @@ static int try_to_reset_cmd_device(struct scsi_cmnd *cmd)
struct Scsi_Host *shost = cmd->device->host;
if (!shost->hostt->eh_device_reset_handler)
- goto try_bus_reset;
+ goto try_target_reset;
res = shost->hostt->eh_device_reset_handler(cmd);
if (res == SUCCESS)
return res;
-try_bus_reset:
- if (shost->hostt->eh_bus_reset_handler)
- return shost->hostt->eh_bus_reset_handler(cmd);
+try_target_reset:
+ if (shost->hostt->eh_target_reset_handler)
+ return shost->hostt->eh_target_reset_handler(cmd);
return FAILED;
}
@@ -855,7 +855,6 @@ int sas_target_alloc(struct scsi_target *starget)
int sas_slave_configure(struct scsi_device *scsi_dev)
{
struct domain_device *dev = sdev_to_domain_dev(scsi_dev);
- struct sas_ha_struct *sas_ha;
BUG_ON(dev->rphy->identify.device_type != SAS_END_DEVICE);
@@ -864,8 +863,6 @@ int sas_slave_configure(struct scsi_device *scsi_dev)
return 0;
}
- sas_ha = dev->port->ha;
-
sas_read_port_mode_page(scsi_dev);
if (scsi_dev->tagged_supported) {
@@ -996,6 +993,6 @@ EXPORT_SYMBOL_GPL(sas_bios_param);
EXPORT_SYMBOL_GPL(sas_task_abort);
EXPORT_SYMBOL_GPL(sas_phy_reset);
EXPORT_SYMBOL_GPL(sas_eh_device_reset_handler);
-EXPORT_SYMBOL_GPL(sas_eh_bus_reset_handler);
+EXPORT_SYMBOL_GPL(sas_eh_target_reset_handler);
EXPORT_SYMBOL_GPL(sas_target_destroy);
EXPORT_SYMBOL_GPL(sas_ioctl);
diff --git a/drivers/scsi/lpfc/lpfc.h b/drivers/scsi/lpfc/lpfc.h
index 562dc0139735..8eb3f96fe068 100644
--- a/drivers/scsi/lpfc/lpfc.h
+++ b/drivers/scsi/lpfc/lpfc.h
@@ -733,7 +733,6 @@ struct lpfc_hba {
uint32_t fc_rttov; /* R_T_TOV timer value */
uint32_t fc_altov; /* AL_TOV timer value */
uint32_t fc_crtov; /* C_R_TOV timer value */
- uint32_t fc_citov; /* C_I_TOV timer value */
struct serv_parm fc_fabparam; /* fabric service parameters buffer */
uint8_t alpa_map[128]; /* AL_PA map from READ_LA */
@@ -757,6 +756,7 @@ struct lpfc_hba {
#define LPFC_NVMET_MAX_PORTS 32
uint8_t mds_diags_support;
uint32_t initial_imax;
+ uint8_t bbcredit_support;
/* HBA Config Parameters */
uint32_t cfg_ack0;
@@ -836,6 +836,7 @@ struct lpfc_hba {
uint32_t cfg_enable_SmartSAN;
uint32_t cfg_enable_mds_diags;
uint32_t cfg_enable_fc4_type;
+ uint32_t cfg_enable_bbcr; /*Enable BB Credit Recovery*/
uint32_t cfg_xri_split;
#define LPFC_ENABLE_FCP 1
#define LPFC_ENABLE_NVME 2
@@ -946,14 +947,14 @@ struct lpfc_hba {
struct list_head active_rrq_list;
spinlock_t hbalock;
- /* pci_mem_pools */
- struct pci_pool *lpfc_sg_dma_buf_pool;
- struct pci_pool *lpfc_mbuf_pool;
- struct pci_pool *lpfc_hrb_pool; /* header receive buffer pool */
- struct pci_pool *lpfc_drb_pool; /* data receive buffer pool */
- struct pci_pool *lpfc_nvmet_drb_pool; /* data receive buffer pool */
- struct pci_pool *lpfc_hbq_pool; /* SLI3 hbq buffer pool */
- struct pci_pool *txrdy_payload_pool;
+ /* dma_mem_pools */
+ struct dma_pool *lpfc_sg_dma_buf_pool;
+ struct dma_pool *lpfc_mbuf_pool;
+ struct dma_pool *lpfc_hrb_pool; /* header receive buffer pool */
+ struct dma_pool *lpfc_drb_pool; /* data receive buffer pool */
+ struct dma_pool *lpfc_nvmet_drb_pool; /* data receive buffer pool */
+ struct dma_pool *lpfc_hbq_pool; /* SLI3 hbq buffer pool */
+ struct dma_pool *txrdy_payload_pool;
struct lpfc_dma_pool lpfc_mbuf_safety_pool;
mempool_t *mbox_mem_pool;
diff --git a/drivers/scsi/lpfc/lpfc_attr.c b/drivers/scsi/lpfc/lpfc_attr.c
index 7ee1a94c0b33..c17677f494af 100644
--- a/drivers/scsi/lpfc/lpfc_attr.c
+++ b/drivers/scsi/lpfc/lpfc_attr.c
@@ -247,13 +247,10 @@ lpfc_nvme_info_show(struct device *dev, struct device_attribute *attr,
atomic_read(&tgtp->xmt_abort_rsp),
atomic_read(&tgtp->xmt_abort_rsp_error));
- spin_lock(&phba->sli4_hba.nvmet_ctx_get_lock);
- spin_lock(&phba->sli4_hba.nvmet_ctx_put_lock);
- tot = phba->sli4_hba.nvmet_xri_cnt -
- (phba->sli4_hba.nvmet_ctx_get_cnt +
- phba->sli4_hba.nvmet_ctx_put_cnt);
- spin_unlock(&phba->sli4_hba.nvmet_ctx_put_lock);
- spin_unlock(&phba->sli4_hba.nvmet_ctx_get_lock);
+ /* Calculate outstanding IOs */
+ tot = atomic_read(&tgtp->rcv_fcp_cmd_drop);
+ tot += atomic_read(&tgtp->xmt_fcp_release);
+ tot = atomic_read(&tgtp->rcv_fcp_cmd_in) - tot;
len += snprintf(buf + len, PAGE_SIZE - len,
"IO_CTX: %08x WAIT: cur %08x tot %08x\n"
@@ -1894,6 +1891,36 @@ static inline bool lpfc_rangecheck(uint val, uint min, uint max)
}
/**
+ * lpfc_enable_bbcr_set: Sets an attribute value.
+ * @phba: pointer the the adapter structure.
+ * @val: integer attribute value.
+ *
+ * Description:
+ * Validates the min and max values then sets the
+ * adapter config field if in the valid range. prints error message
+ * and does not set the parameter if invalid.
+ *
+ * Returns:
+ * zero on success
+ * -EINVAL if val is invalid
+ */
+static ssize_t
+lpfc_enable_bbcr_set(struct lpfc_hba *phba, uint val)
+{
+ if (lpfc_rangecheck(val, 0, 1) && phba->sli_rev == LPFC_SLI_REV4) {
+ lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+ "3068 %s_enable_bbcr changed from %d to %d\n",
+ LPFC_DRIVER_NAME, phba->cfg_enable_bbcr, val);
+ phba->cfg_enable_bbcr = val;
+ return 0;
+ }
+ lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+ "0451 %s_enable_bbcr cannot set to %d, range is 0, 1\n",
+ LPFC_DRIVER_NAME, val);
+ return -EINVAL;
+}
+
+/**
* lpfc_param_show - Return a cfg attribute value in decimal
*
* Description:
@@ -5116,6 +5143,14 @@ LPFC_ATTR_R(sg_seg_cnt, LPFC_DEFAULT_SG_SEG_CNT, LPFC_DEFAULT_SG_SEG_CNT,
*/
LPFC_ATTR_R(enable_mds_diags, 0, 0, 1, "Enable MDS Diagnostics");
+/*
+ * lpfc_enable_bbcr: Enable BB Credit Recovery
+ * 0 = BB Credit Recovery disabled
+ * 1 = BB Credit Recovery enabled (default)
+ * Value range is [0,1]. Default value is 1.
+ */
+LPFC_BBCR_ATTR_RW(enable_bbcr, 1, 0, 1, "Enable BBC Recovery");
+
struct device_attribute *lpfc_hba_attrs[] = {
&dev_attr_nvme_info,
&dev_attr_bg_info,
@@ -5223,6 +5258,7 @@ struct device_attribute *lpfc_hba_attrs[] = {
&dev_attr_protocol,
&dev_attr_lpfc_xlane_supported,
&dev_attr_lpfc_enable_mds_diags,
+ &dev_attr_lpfc_enable_bbcr,
NULL,
};
@@ -6234,11 +6270,13 @@ lpfc_get_cfgparam(struct lpfc_hba *phba)
lpfc_nvmet_fb_size_init(phba, lpfc_nvmet_fb_size);
lpfc_fcp_io_channel_init(phba, lpfc_fcp_io_channel);
lpfc_nvme_io_channel_init(phba, lpfc_nvme_io_channel);
+ lpfc_enable_bbcr_init(phba, lpfc_enable_bbcr);
if (phba->sli_rev != LPFC_SLI_REV4) {
/* NVME only supported on SLI4 */
phba->nvmet_support = 0;
phba->cfg_enable_fc4_type = LPFC_ENABLE_FCP;
+ phba->cfg_enable_bbcr = 0;
} else {
/* We MUST have FCP support */
if (!(phba->cfg_enable_fc4_type & LPFC_ENABLE_FCP))
diff --git a/drivers/scsi/lpfc/lpfc_attr.h b/drivers/scsi/lpfc/lpfc_attr.h
index d56dafcdd563..931db52692f5 100644
--- a/drivers/scsi/lpfc/lpfc_attr.h
+++ b/drivers/scsi/lpfc/lpfc_attr.h
@@ -46,6 +46,16 @@ lpfc_param_store(name)\
static DEVICE_ATTR(lpfc_##name, S_IRUGO | S_IWUSR,\
lpfc_##name##_show, lpfc_##name##_store)
+#define LPFC_BBCR_ATTR_RW(name, defval, minval, maxval, desc) \
+static uint lpfc_##name = defval;\
+module_param(lpfc_##name, uint, 0444);\
+MODULE_PARM_DESC(lpfc_##name, desc);\
+lpfc_param_show(name)\
+lpfc_param_init(name, defval, minval, maxval)\
+lpfc_param_store(name)\
+static DEVICE_ATTR(lpfc_##name, 0444 | 0644,\
+ lpfc_##name##_show, lpfc_##name##_store)
+
#define LPFC_ATTR_HEX_R(name, defval, minval, maxval, desc) \
static uint lpfc_##name = defval;\
module_param(lpfc_##name, uint, S_IRUGO);\
diff --git a/drivers/scsi/lpfc/lpfc_bsg.c b/drivers/scsi/lpfc/lpfc_bsg.c
index a1686c2d863c..fe9e1c079c20 100644
--- a/drivers/scsi/lpfc/lpfc_bsg.c
+++ b/drivers/scsi/lpfc/lpfc_bsg.c
@@ -2384,20 +2384,17 @@ lpfc_sli4_bsg_link_diag_test(struct bsg_job *job)
goto job_error;
pmboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
- if (!pmboxq) {
- rc = -ENOMEM;
+ if (!pmboxq)
goto link_diag_test_exit;
- }
req_len = (sizeof(struct lpfc_mbx_set_link_diag_state) -
sizeof(struct lpfc_sli4_cfg_mhdr));
alloc_len = lpfc_sli4_config(phba, pmboxq, LPFC_MBOX_SUBSYSTEM_FCOE,
LPFC_MBOX_OPCODE_FCOE_LINK_DIAG_STATE,
req_len, LPFC_SLI4_MBX_EMBED);
- if (alloc_len != req_len) {
- rc = -ENOMEM;
+ if (alloc_len != req_len)
goto link_diag_test_exit;
- }
+
run_link_diag_test = &pmboxq->u.mqe.un.link_diag_test;
bf_set(lpfc_mbx_run_diag_test_link_num, &run_link_diag_test->u.req,
phba->sli4_hba.lnk_info.lnk_no);
diff --git a/drivers/scsi/lpfc/lpfc_crtn.h b/drivers/scsi/lpfc/lpfc_crtn.h
index da669dce12fe..7e300734b345 100644
--- a/drivers/scsi/lpfc/lpfc_crtn.h
+++ b/drivers/scsi/lpfc/lpfc_crtn.h
@@ -556,9 +556,8 @@ int lpfc_nvmet_update_targetport(struct lpfc_hba *phba);
void lpfc_nvmet_destroy_targetport(struct lpfc_hba *phba);
void lpfc_nvmet_unsol_ls_event(struct lpfc_hba *phba,
struct lpfc_sli_ring *pring, struct lpfc_iocbq *piocb);
-void lpfc_nvmet_unsol_fcp_event(struct lpfc_hba *phba,
- struct lpfc_sli_ring *pring,
- struct rqb_dmabuf *nvmebuf, uint64_t isr_ts);
+void lpfc_nvmet_unsol_fcp_event(struct lpfc_hba *phba, uint32_t idx,
+ struct rqb_dmabuf *nvmebuf, uint64_t isr_ts);
void lpfc_nvme_mod_param_dep(struct lpfc_hba *phba);
void lpfc_nvme_abort_fcreq_cmpl(struct lpfc_hba *phba,
struct lpfc_iocbq *cmdiocb,
diff --git a/drivers/scsi/lpfc/lpfc_ct.c b/drivers/scsi/lpfc/lpfc_ct.c
index 9c0c1463057d..33417681f5d4 100644
--- a/drivers/scsi/lpfc/lpfc_ct.c
+++ b/drivers/scsi/lpfc/lpfc_ct.c
@@ -955,7 +955,7 @@ lpfc_cmpl_ct_cmd_gft_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
CTrsp = (struct lpfc_sli_ct_request *)outp->virt;
fc4_data_0 = be32_to_cpu(CTrsp->un.gft_acc.fc4_types[0]);
fc4_data_1 = be32_to_cpu(CTrsp->un.gft_acc.fc4_types[1]);
- lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
+ lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
"3062 DID x%06x GFT Wd0 x%08x Wd1 x%08x\n",
did, fc4_data_0, fc4_data_1);
@@ -969,7 +969,7 @@ lpfc_cmpl_ct_cmd_gft_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
ndlp->nlp_fc4_type |= NLP_FC4_FCP;
if (fc4_data_1 & LPFC_FC4_TYPE_BITMASK)
ndlp->nlp_fc4_type |= NLP_FC4_NVME;
- lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
+ lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
"3064 Setting ndlp %p, DID x%06x with "
"FC4 x%08x, Data: x%08x x%08x\n",
ndlp, did, ndlp->nlp_fc4_type,
diff --git a/drivers/scsi/lpfc/lpfc_debugfs.c b/drivers/scsi/lpfc/lpfc_debugfs.c
index 744f3f395b64..d50c481ec41c 100644
--- a/drivers/scsi/lpfc/lpfc_debugfs.c
+++ b/drivers/scsi/lpfc/lpfc_debugfs.c
@@ -851,13 +851,10 @@ lpfc_debugfs_nvmestat_data(struct lpfc_vport *vport, char *buf, int size)
spin_unlock(&phba->sli4_hba.abts_nvme_buf_list_lock);
}
- spin_lock(&phba->sli4_hba.nvmet_ctx_get_lock);
- spin_lock(&phba->sli4_hba.nvmet_ctx_put_lock);
- tot = phba->sli4_hba.nvmet_xri_cnt -
- (phba->sli4_hba.nvmet_ctx_get_cnt +
- phba->sli4_hba.nvmet_ctx_put_cnt);
- spin_unlock(&phba->sli4_hba.nvmet_ctx_put_lock);
- spin_unlock(&phba->sli4_hba.nvmet_ctx_get_lock);
+ /* Calculate outstanding IOs */
+ tot = atomic_read(&tgtp->rcv_fcp_cmd_drop);
+ tot += atomic_read(&tgtp->xmt_fcp_release);
+ tot = atomic_read(&tgtp->rcv_fcp_cmd_in) - tot;
len += snprintf(buf + len, size - len,
"IO_CTX: %08x WAIT: cur %08x tot %08x\n"
diff --git a/drivers/scsi/lpfc/lpfc_debugfs.h b/drivers/scsi/lpfc/lpfc_debugfs.h
index 7b7d314af0e0..c4edd87bfc65 100644
--- a/drivers/scsi/lpfc/lpfc_debugfs.h
+++ b/drivers/scsi/lpfc/lpfc_debugfs.h
@@ -478,16 +478,16 @@ lpfc_debug_dump_cq(struct lpfc_hba *phba, int qtype, int wqidx)
return;
for (eqidx = 0; eqidx < phba->io_channel_irqs; eqidx++) {
- eq = phba->sli4_hba.hba_eq[eqidx];
- if (cq->assoc_qid == eq->queue_id)
+ if (cq->assoc_qid == phba->sli4_hba.hba_eq[eqidx]->queue_id)
break;
}
if (eqidx == phba->io_channel_irqs) {
pr_err("Couldn't find EQ for CQ. Using EQ[0]\n");
eqidx = 0;
- eq = phba->sli4_hba.hba_eq[0];
}
+ eq = phba->sli4_hba.hba_eq[eqidx];
+
if (qtype == DUMP_FCP || qtype == DUMP_NVME)
pr_err("%s CQ: WQ[Idx:%d|Qid%d]->CQ[Idx%d|Qid%d]"
"->EQ[Idx:%d|Qid:%d]:\n",
diff --git a/drivers/scsi/lpfc/lpfc_disc.h b/drivers/scsi/lpfc/lpfc_disc.h
index 094c97b9e5f7..f9a566eaef04 100644
--- a/drivers/scsi/lpfc/lpfc_disc.h
+++ b/drivers/scsi/lpfc/lpfc_disc.h
@@ -159,6 +159,7 @@ struct lpfc_node_rrq {
#define NLP_RNID_SND 0x00000400 /* sent RNID request for this entry */
#define NLP_ELS_SND_MASK 0x000007e0 /* sent ELS request for this entry */
#define NLP_NVMET_RECOV 0x00001000 /* NVMET auditing node for recovery. */
+#define NLP_FCP_PRLI_RJT 0x00002000 /* Rport does not support FCP PRLI. */
#define NLP_DEFER_RM 0x00010000 /* Remove this ndlp if no longer used */
#define NLP_DELAY_TMO 0x00020000 /* delay timeout is running for node */
#define NLP_NPR_2B_DISC 0x00040000 /* node is included in num_disc_nodes */
diff --git a/drivers/scsi/lpfc/lpfc_els.c b/drivers/scsi/lpfc/lpfc_els.c
index 6d1d6f691df4..468a66371de9 100644
--- a/drivers/scsi/lpfc/lpfc_els.c
+++ b/drivers/scsi/lpfc/lpfc_els.c
@@ -1527,6 +1527,7 @@ lpfc_plogi_confirm_nport(struct lpfc_hba *phba, uint32_t *prsp,
uint8_t name[sizeof(struct lpfc_name)];
uint32_t rc, keepDID = 0, keep_nlp_flag = 0;
uint16_t keep_nlp_state;
+ struct lpfc_nvme_rport *keep_nrport = NULL;
int put_node;
int put_rport;
unsigned long *active_rrqs_xri_bitmap = NULL;
@@ -1624,6 +1625,10 @@ lpfc_plogi_confirm_nport(struct lpfc_hba *phba, uint32_t *prsp,
keep_nlp_state = new_ndlp->nlp_state;
lpfc_nlp_set_state(vport, new_ndlp, ndlp->nlp_state);
+ /* interchange the nvme remoteport structs */
+ keep_nrport = new_ndlp->nrport;
+ new_ndlp->nrport = ndlp->nrport;
+
/* Move this back to NPR state */
if (memcmp(&ndlp->nlp_portname, name, sizeof(struct lpfc_name)) == 0) {
/* The new_ndlp is replacing ndlp totally, so we need
@@ -1646,6 +1651,13 @@ lpfc_plogi_confirm_nport(struct lpfc_hba *phba, uint32_t *prsp,
}
new_ndlp->nlp_type = ndlp->nlp_type;
}
+
+ /* Fix up the nvme rport */
+ if (ndlp->nrport) {
+ ndlp->nrport = NULL;
+ lpfc_nlp_put(ndlp);
+ }
+
/* We shall actually free the ndlp with both nlp_DID and
* nlp_portname fields equals 0 to avoid any ndlp on the
* nodelist never to be used.
@@ -1690,6 +1702,14 @@ lpfc_plogi_confirm_nport(struct lpfc_hba *phba, uint32_t *prsp,
keep_nlp_state = NLP_STE_NPR_NODE;
lpfc_nlp_set_state(vport, ndlp, keep_nlp_state);
+ /* Previous ndlp no longer active with nvme host transport.
+ * Remove reference from earlier registration unless the
+ * nvme host took care of it.
+ */
+ if (ndlp->nrport)
+ lpfc_nlp_put(ndlp);
+ ndlp->nrport = keep_nrport;
+
/* Fix up the rport accordingly */
rport = ndlp->rport;
if (rport) {
@@ -1966,6 +1986,7 @@ int
lpfc_issue_els_plogi(struct lpfc_vport *vport, uint32_t did, uint8_t retry)
{
struct lpfc_hba *phba = vport->phba;
+ struct Scsi_Host *shost;
struct serv_parm *sp;
struct lpfc_nodelist *ndlp;
struct lpfc_iocbq *elsiocb;
@@ -1984,6 +2005,11 @@ lpfc_issue_els_plogi(struct lpfc_vport *vport, uint32_t did, uint8_t retry)
if (!elsiocb)
return 1;
+ shost = lpfc_shost_from_vport(vport);
+ spin_lock_irq(shost->host_lock);
+ ndlp->nlp_flag &= ~NLP_FCP_PRLI_RJT;
+ spin_unlock_irq(shost->host_lock);
+
pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt);
/* For PLOGI request, remainder of payload is service parameters */
@@ -2007,6 +2033,7 @@ lpfc_issue_els_plogi(struct lpfc_vport *vport, uint32_t did, uint8_t retry)
sp->cmn.valid_vendor_ver_level = 0;
memset(sp->un.vendorVersion, 0, sizeof(sp->un.vendorVersion));
+ sp->cmn.bbRcvSizeMsb &= 0xF;
lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD,
"Issue PLOGI: did:x%x",
@@ -2151,6 +2178,16 @@ lpfc_issue_els_prli(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
uint16_t cmdsize;
u32 local_nlp_type, elscmd;
+ /*
+ * If we are in RSCN mode, the FC4 types supported from a
+ * previous GFT_ID command may not be accurate. So, if we
+ * are a NVME Initiator, always look for the possibility of
+ * the remote NPort beng a NVME Target.
+ */
+ if (phba->sli_rev == LPFC_SLI_REV4 &&
+ vport->fc_flag & FC_RSCN_MODE &&
+ vport->nvmei_support)
+ ndlp->nlp_fc4_type |= NLP_FC4_NVME;
local_nlp_type = ndlp->nlp_fc4_type;
send_next_prli:
@@ -3420,8 +3457,18 @@ lpfc_els_retry(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
maxretry = 3;
delay = 1000;
retry = 1;
- break;
+ } else if (cmd == ELS_CMD_FLOGI &&
+ stat.un.b.lsRjtRsnCodeExp ==
+ LSEXP_NOTHING_MORE) {
+ vport->fc_sparam.cmn.bbRcvSizeMsb &= 0xf;
+ retry = 1;
+ lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS,
+ "0820 FLOGI Failed (x%x). "
+ "BBCredit Not Supported\n",
+ stat.un.lsRjtError);
}
+ break;
+
case LSRJT_PROTOCOL_ERR:
if ((phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) &&
(cmd == ELS_CMD_FDISC) &&
@@ -3442,6 +3489,21 @@ lpfc_els_retry(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
goto out_retry;
}
break;
+ case LSRJT_CMD_UNSUPPORTED:
+ /* lpfc nvmet returns this type of LS_RJT when it
+ * receives an FCP PRLI because lpfc nvmet only
+ * support NVME. ELS request is terminated for FCP4
+ * on this rport.
+ */
+ if (stat.un.b.lsRjtRsnCodeExp ==
+ LSEXP_REQ_UNSUPPORTED && cmd == ELS_CMD_PRLI) {
+ spin_lock_irq(shost->host_lock);
+ ndlp->nlp_flag |= NLP_FCP_PRLI_RJT;
+ spin_unlock_irq(shost->host_lock);
+ retry = 0;
+ goto out_retry;
+ }
+ break;
}
break;
@@ -3930,7 +3992,25 @@ lpfc_cmpl_els_rsp(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
if (mbox) {
if ((rspiocb->iocb.ulpStatus == 0)
&& (ndlp->nlp_flag & NLP_ACC_REGLOGIN)) {
- lpfc_unreg_rpi(vport, ndlp);
+ if (!lpfc_unreg_rpi(vport, ndlp) &&
+ (ndlp->nlp_state == NLP_STE_PLOGI_ISSUE ||
+ ndlp->nlp_state == NLP_STE_REG_LOGIN_ISSUE)) {
+ lpfc_printf_vlog(vport, KERN_INFO,
+ LOG_DISCOVERY,
+ "0314 PLOGI recov DID x%x "
+ "Data: x%x x%x x%x\n",
+ ndlp->nlp_DID, ndlp->nlp_state,
+ ndlp->nlp_rpi, ndlp->nlp_flag);
+ mp = mbox->context1;
+ if (mp) {
+ lpfc_mbuf_free(phba, mp->virt,
+ mp->phys);
+ kfree(mp);
+ }
+ mempool_free(mbox, phba->mbox_mem_pool);
+ goto out;
+ }
+
/* Increment reference count to ndlp to hold the
* reference to ndlp for the callback function.
*/
@@ -4132,6 +4212,7 @@ lpfc_els_rsp_acc(struct lpfc_vport *vport, uint32_t flag,
sp->cmn.valid_vendor_ver_level = 0;
memset(sp->un.vendorVersion, 0,
sizeof(sp->un.vendorVersion));
+ sp->cmn.bbRcvSizeMsb &= 0xF;
/* If our firmware supports this feature, convey that
* info to the target using the vendor specific field.
@@ -7989,6 +8070,13 @@ lpfc_els_unsol_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
rjt_exp = LSEXP_NOTHING_MORE;
break;
}
+
+ /* NVMET accepts NVME PRLI only. Reject FCP PRLI */
+ if (cmd == ELS_CMD_PRLI && phba->nvmet_support) {
+ rjt_err = LSRJT_CMD_UNSUPPORTED;
+ rjt_exp = LSEXP_REQ_UNSUPPORTED;
+ break;
+ }
lpfc_disc_state_machine(vport, ndlp, elsiocb, NLP_EVT_RCV_PRLI);
break;
case ELS_CMD_LIRR:
@@ -8784,6 +8872,7 @@ lpfc_issue_els_fdisc(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
pcmd += sizeof(uint32_t); /* Node Name */
pcmd += sizeof(uint32_t); /* Node Name */
memcpy(pcmd, &vport->fc_nodename, 8);
+ sp->cmn.valid_vendor_ver_level = 0;
memset(sp->un.vendorVersion, 0, sizeof(sp->un.vendorVersion));
lpfc_set_disctmo(vport);
diff --git a/drivers/scsi/lpfc/lpfc_hbadisc.c b/drivers/scsi/lpfc/lpfc_hbadisc.c
index aa5e5ff56dfb..20808349a80e 100644
--- a/drivers/scsi/lpfc/lpfc_hbadisc.c
+++ b/drivers/scsi/lpfc/lpfc_hbadisc.c
@@ -1108,6 +1108,7 @@ void
lpfc_mbx_cmpl_local_config_link(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
{
struct lpfc_vport *vport = pmb->vport;
+ uint8_t bbscn = 0;
if (pmb->u.mb.mbxStatus)
goto out;
@@ -1134,10 +1135,17 @@ lpfc_mbx_cmpl_local_config_link(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
/* Start discovery by sending a FLOGI. port_state is identically
* LPFC_FLOGI while waiting for FLOGI cmpl
*/
- if (vport->port_state != LPFC_FLOGI)
+ if (vport->port_state != LPFC_FLOGI) {
+ if (phba->bbcredit_support && phba->cfg_enable_bbcr) {
+ bbscn = bf_get(lpfc_bbscn_def,
+ &phba->sli4_hba.bbscn_params);
+ vport->fc_sparam.cmn.bbRcvSizeMsb &= 0xf;
+ vport->fc_sparam.cmn.bbRcvSizeMsb |= (bbscn << 4);
+ }
lpfc_initial_flogi(vport);
- else if (vport->fc_flag & FC_PT2PT)
+ } else if (vport->fc_flag & FC_PT2PT) {
lpfc_disc_start(vport);
+ }
return;
out:
diff --git a/drivers/scsi/lpfc/lpfc_hw.h b/drivers/scsi/lpfc/lpfc_hw.h
index 26a5647e057e..bdc1f184f67a 100644
--- a/drivers/scsi/lpfc/lpfc_hw.h
+++ b/drivers/scsi/lpfc/lpfc_hw.h
@@ -2293,15 +2293,27 @@ typedef struct {
uint32_t rttov;
uint32_t altov;
uint32_t crtov;
- uint32_t citov;
+
+#ifdef __BIG_ENDIAN_BITFIELD
+ uint32_t rsvd4:19;
+ uint32_t cscn:1;
+ uint32_t bbscn:4;
+ uint32_t rsvd3:8;
+#else /* __LITTLE_ENDIAN_BITFIELD */
+ uint32_t rsvd3:8;
+ uint32_t bbscn:4;
+ uint32_t cscn:1;
+ uint32_t rsvd4:19;
+#endif
+
#ifdef __BIG_ENDIAN_BITFIELD
uint32_t rrq_enable:1;
uint32_t rrq_immed:1;
- uint32_t rsvd4:29;
+ uint32_t rsvd5:29;
uint32_t ack0_enable:1;
#else /* __LITTLE_ENDIAN_BITFIELD */
uint32_t ack0_enable:1;
- uint32_t rsvd4:29;
+ uint32_t rsvd5:29;
uint32_t rrq_immed:1;
uint32_t rrq_enable:1;
#endif
diff --git a/drivers/scsi/lpfc/lpfc_hw4.h b/drivers/scsi/lpfc/lpfc_hw4.h
index bb4715705fa3..1db0a38683f4 100644
--- a/drivers/scsi/lpfc/lpfc_hw4.h
+++ b/drivers/scsi/lpfc/lpfc_hw4.h
@@ -2217,9 +2217,15 @@ struct lpfc_mbx_reg_vfi {
uint32_t e_d_tov;
uint32_t r_a_tov;
uint32_t word10;
-#define lpfc_reg_vfi_nport_id_SHIFT 0
-#define lpfc_reg_vfi_nport_id_MASK 0x00FFFFFF
-#define lpfc_reg_vfi_nport_id_WORD word10
+#define lpfc_reg_vfi_nport_id_SHIFT 0
+#define lpfc_reg_vfi_nport_id_MASK 0x00FFFFFF
+#define lpfc_reg_vfi_nport_id_WORD word10
+#define lpfc_reg_vfi_bbcr_SHIFT 27
+#define lpfc_reg_vfi_bbcr_MASK 0x00000001
+#define lpfc_reg_vfi_bbcr_WORD word10
+#define lpfc_reg_vfi_bbscn_SHIFT 28
+#define lpfc_reg_vfi_bbscn_MASK 0x0000000F
+#define lpfc_reg_vfi_bbscn_WORD word10
};
struct lpfc_mbx_init_vpi {
@@ -2646,7 +2652,16 @@ struct lpfc_mbx_read_config {
#define lpfc_mbx_rd_conf_link_speed_MASK 0x0000FFFF
#define lpfc_mbx_rd_conf_link_speed_WORD word6
uint32_t rsvd_7;
- uint32_t rsvd_8;
+ uint32_t word8;
+#define lpfc_mbx_rd_conf_bbscn_min_SHIFT 0
+#define lpfc_mbx_rd_conf_bbscn_min_MASK 0x0000000F
+#define lpfc_mbx_rd_conf_bbscn_min_WORD word8
+#define lpfc_mbx_rd_conf_bbscn_max_SHIFT 4
+#define lpfc_mbx_rd_conf_bbscn_max_MASK 0x0000000F
+#define lpfc_mbx_rd_conf_bbscn_max_WORD word8
+#define lpfc_mbx_rd_conf_bbscn_def_SHIFT 8
+#define lpfc_mbx_rd_conf_bbscn_def_MASK 0x0000000F
+#define lpfc_mbx_rd_conf_bbscn_def_WORD word8
uint32_t word9;
#define lpfc_mbx_rd_conf_lmt_SHIFT 0
#define lpfc_mbx_rd_conf_lmt_MASK 0x0000FFFF
diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c
index 491aa95eb0f6..7e7ae786121b 100644
--- a/drivers/scsi/lpfc/lpfc_init.c
+++ b/drivers/scsi/lpfc/lpfc_init.c
@@ -37,6 +37,7 @@
#include <linux/miscdevice.h>
#include <linux/percpu.h>
#include <linux/msi.h>
+#include <linux/bitops.h>
#include <scsi/scsi.h>
#include <scsi/scsi_device.h>
@@ -1253,6 +1254,7 @@ lpfc_hb_timeout_handler(struct lpfc_hba *phba)
unsigned long time_elapsed;
uint32_t tick_cqe, max_cqe, val;
uint64_t tot, data1, data2, data3;
+ struct lpfc_nvmet_tgtport *tgtp;
struct lpfc_register reg_data;
void __iomem *eqdreg = phba->sli4_hba.u.if_type2.EQDregaddr;
@@ -1281,13 +1283,11 @@ lpfc_hb_timeout_handler(struct lpfc_hba *phba)
/* Check outstanding IO count */
if (phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME) {
if (phba->nvmet_support) {
- spin_lock(&phba->sli4_hba.nvmet_ctx_get_lock);
- spin_lock(&phba->sli4_hba.nvmet_ctx_put_lock);
- tot = phba->sli4_hba.nvmet_xri_cnt -
- (phba->sli4_hba.nvmet_ctx_get_cnt +
- phba->sli4_hba.nvmet_ctx_put_cnt);
- spin_unlock(&phba->sli4_hba.nvmet_ctx_put_lock);
- spin_unlock(&phba->sli4_hba.nvmet_ctx_get_lock);
+ tgtp = phba->targetport->private;
+ /* Calculate outstanding IOs */
+ tot = atomic_read(&tgtp->rcv_fcp_cmd_drop);
+ tot += atomic_read(&tgtp->xmt_fcp_release);
+ tot = atomic_read(&tgtp->rcv_fcp_cmd_in) - tot;
} else {
tot = atomic_read(&phba->fc4NvmeIoCmpls);
data1 = atomic_read(
@@ -3048,7 +3048,7 @@ lpfc_online(struct lpfc_hba *phba)
{
struct lpfc_vport *vport;
struct lpfc_vport **vports;
- int i;
+ int i, error = 0;
bool vpis_cleared = false;
if (!phba)
@@ -3072,6 +3072,18 @@ lpfc_online(struct lpfc_hba *phba)
if (!phba->sli4_hba.max_cfg_param.vpi_used)
vpis_cleared = true;
spin_unlock_irq(&phba->hbalock);
+
+ /* Reestablish the local initiator port.
+ * The offline process destroyed the previous lport.
+ */
+ if (phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME &&
+ !phba->nvmet_support) {
+ error = lpfc_nvme_create_localport(phba->pport);
+ if (error)
+ lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+ "6132 NVME restore reg failed "
+ "on nvmei error x%x\n", error);
+ }
} else {
lpfc_sli_queue_init(phba);
if (lpfc_sli_hba_setup(phba)) { /* Initialize SLI2/SLI3 HBA */
@@ -3226,6 +3238,13 @@ lpfc_offline(struct lpfc_hba *phba)
/* stop port and all timers associated with this hba */
lpfc_stop_port(phba);
+
+ /* Tear down the local and target port registrations. The
+ * nvme transports need to cleanup.
+ */
+ lpfc_nvmet_destroy_targetport(phba);
+ lpfc_nvme_destroy_localport(phba->pport);
+
vports = lpfc_create_vport_work_array(phba);
if (vports != NULL)
for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++)
@@ -3275,7 +3294,7 @@ lpfc_scsi_free(struct lpfc_hba *phba)
list_for_each_entry_safe(sb, sb_next, &phba->lpfc_scsi_buf_list_put,
list) {
list_del(&sb->list);
- pci_pool_free(phba->lpfc_sg_dma_buf_pool, sb->data,
+ dma_pool_free(phba->lpfc_sg_dma_buf_pool, sb->data,
sb->dma_handle);
kfree(sb);
phba->total_scsi_bufs--;
@@ -3286,7 +3305,7 @@ lpfc_scsi_free(struct lpfc_hba *phba)
list_for_each_entry_safe(sb, sb_next, &phba->lpfc_scsi_buf_list_get,
list) {
list_del(&sb->list);
- pci_pool_free(phba->lpfc_sg_dma_buf_pool, sb->data,
+ dma_pool_free(phba->lpfc_sg_dma_buf_pool, sb->data,
sb->dma_handle);
kfree(sb);
phba->total_scsi_bufs--;
@@ -3317,7 +3336,7 @@ lpfc_nvme_free(struct lpfc_hba *phba)
list_for_each_entry_safe(lpfc_ncmd, lpfc_ncmd_next,
&phba->lpfc_nvme_buf_list_put, list) {
list_del(&lpfc_ncmd->list);
- pci_pool_free(phba->lpfc_sg_dma_buf_pool, lpfc_ncmd->data,
+ dma_pool_free(phba->lpfc_sg_dma_buf_pool, lpfc_ncmd->data,
lpfc_ncmd->dma_handle);
kfree(lpfc_ncmd);
phba->total_nvme_bufs--;
@@ -3328,7 +3347,7 @@ lpfc_nvme_free(struct lpfc_hba *phba)
list_for_each_entry_safe(lpfc_ncmd, lpfc_ncmd_next,
&phba->lpfc_nvme_buf_list_get, list) {
list_del(&lpfc_ncmd->list);
- pci_pool_free(phba->lpfc_sg_dma_buf_pool, lpfc_ncmd->data,
+ dma_pool_free(phba->lpfc_sg_dma_buf_pool, lpfc_ncmd->data,
lpfc_ncmd->dma_handle);
kfree(lpfc_ncmd);
phba->total_nvme_bufs--;
@@ -3640,7 +3659,7 @@ lpfc_sli4_scsi_sgl_update(struct lpfc_hba *phba)
list_remove_head(&scsi_sgl_list, psb,
struct lpfc_scsi_buf, list);
if (psb) {
- pci_pool_free(phba->lpfc_sg_dma_buf_pool,
+ dma_pool_free(phba->lpfc_sg_dma_buf_pool,
psb->data, psb->dma_handle);
kfree(psb);
}
@@ -3710,9 +3729,7 @@ lpfc_get_wwpn(struct lpfc_hba *phba)
if (phba->sli_rev == LPFC_SLI_REV4)
return be64_to_cpu(wwn);
else
- return (((wwn & 0xffffffff00000000) >> 32) |
- ((wwn & 0x00000000ffffffff) << 32));
-
+ return rol64(wwn, 32);
}
/**
@@ -3774,7 +3791,7 @@ lpfc_sli4_nvme_sgl_update(struct lpfc_hba *phba)
list_remove_head(&nvme_sgl_list, lpfc_ncmd,
struct lpfc_nvme_buf, list);
if (lpfc_ncmd) {
- pci_pool_free(phba->lpfc_sg_dma_buf_pool,
+ dma_pool_free(phba->lpfc_sg_dma_buf_pool,
lpfc_ncmd->data,
lpfc_ncmd->dma_handle);
kfree(lpfc_ncmd);
@@ -5930,8 +5947,6 @@ lpfc_sli4_driver_resource_setup(struct lpfc_hba *phba)
spin_lock_init(&phba->sli4_hba.abts_nvme_buf_list_lock);
INIT_LIST_HEAD(&phba->sli4_hba.lpfc_abts_nvme_buf_list);
INIT_LIST_HEAD(&phba->sli4_hba.lpfc_abts_nvmet_ctx_list);
- INIT_LIST_HEAD(&phba->sli4_hba.lpfc_nvmet_ctx_get_list);
- INIT_LIST_HEAD(&phba->sli4_hba.lpfc_nvmet_ctx_put_list);
INIT_LIST_HEAD(&phba->sli4_hba.lpfc_nvmet_io_wait_list);
/* Fast-path XRI aborted CQ Event work queue list */
@@ -5940,8 +5955,6 @@ lpfc_sli4_driver_resource_setup(struct lpfc_hba *phba)
/* This abort list used by worker thread */
spin_lock_init(&phba->sli4_hba.sgl_list_lock);
- spin_lock_init(&phba->sli4_hba.nvmet_ctx_get_lock);
- spin_lock_init(&phba->sli4_hba.nvmet_ctx_put_lock);
spin_lock_init(&phba->sli4_hba.nvmet_io_wait_lock);
/*
@@ -6516,6 +6529,12 @@ lpfc_free_nvmet_sgl_list(struct lpfc_hba *phba)
lpfc_nvmet_buf_free(phba, sglq_entry->virt, sglq_entry->phys);
kfree(sglq_entry);
}
+
+ /* Update the nvmet_xri_cnt to reflect no current sgls.
+ * The next initialization cycle sets the count and allocates
+ * the sgls over again.
+ */
+ phba->sli4_hba.nvmet_xri_cnt = 0;
}
/**
@@ -6846,8 +6865,8 @@ lpfc_create_shost(struct lpfc_hba *phba)
if (phba->nvmet_support) {
/* Only 1 vport (pport) will support NVME target */
if (phba->txrdy_payload_pool == NULL) {
- phba->txrdy_payload_pool = pci_pool_create(
- "txrdy_pool", phba->pcidev,
+ phba->txrdy_payload_pool = dma_pool_create(
+ "txrdy_pool", &phba->pcidev->dev,
TXRDY_PAYLOAD_LEN, 16, 0);
if (phba->txrdy_payload_pool) {
phba->targetport = NULL;
@@ -7605,6 +7624,11 @@ lpfc_sli4_read_config(struct lpfc_hba *phba)
lpfc_printf_log(phba, KERN_WARNING, LOG_SLI,
"3082 Mailbox (x%x) returned ldv:x0\n",
bf_get(lpfc_mqe_command, &pmb->u.mqe));
+ if (bf_get(lpfc_mbx_rd_conf_bbscn_def, rd_config)) {
+ phba->bbcredit_support = 1;
+ phba->sli4_hba.bbscn_params.word0 = rd_config->word8;
+ }
+
phba->sli4_hba.extents_in_use =
bf_get(lpfc_mbx_rd_conf_extnts_inuse, rd_config);
phba->sli4_hba.max_cfg_param.max_xri =
@@ -8301,6 +8325,9 @@ lpfc_sli4_queue_create(struct lpfc_hba *phba)
goto out_error;
}
+ /* Put list in known state in case driver load fails. */
+ INIT_LIST_HEAD(&qdesc->rqbp->rqb_buffer_list);
+
/* Create NVMET Receive Queue for data */
qdesc = lpfc_sli4_queue_alloc(phba,
phba->sli4_hba.rq_esize,
diff --git a/drivers/scsi/lpfc/lpfc_mbox.c b/drivers/scsi/lpfc/lpfc_mbox.c
index ce25a18367b5..81fb92967b11 100644
--- a/drivers/scsi/lpfc/lpfc_mbox.c
+++ b/drivers/scsi/lpfc/lpfc_mbox.c
@@ -376,7 +376,12 @@ lpfc_config_link(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
mb->un.varCfgLnk.rttov = phba->fc_rttov;
mb->un.varCfgLnk.altov = phba->fc_altov;
mb->un.varCfgLnk.crtov = phba->fc_crtov;
- mb->un.varCfgLnk.citov = phba->fc_citov;
+ mb->un.varCfgLnk.cscn = 0;
+ if (phba->bbcredit_support && phba->cfg_enable_bbcr) {
+ mb->un.varCfgLnk.cscn = 1;
+ mb->un.varCfgLnk.bbscn = bf_get(lpfc_bbscn_def,
+ &phba->sli4_hba.bbscn_params);
+ }
if (phba->cfg_ack0 && (phba->sli_rev < LPFC_SLI_REV4))
mb->un.varCfgLnk.ack0_enable = 1;
@@ -2139,6 +2144,7 @@ lpfc_reg_vfi(struct lpfcMboxq *mbox, struct lpfc_vport *vport, dma_addr_t phys)
{
struct lpfc_mbx_reg_vfi *reg_vfi;
struct lpfc_hba *phba = vport->phba;
+ uint8_t bbscn_fabric = 0, bbscn_max = 0, bbscn_def = 0;
memset(mbox, 0, sizeof(*mbox));
reg_vfi = &mbox->u.mqe.un.reg_vfi;
@@ -2168,16 +2174,39 @@ lpfc_reg_vfi(struct lpfcMboxq *mbox, struct lpfc_vport *vport, dma_addr_t phys)
bf_set(lpfc_reg_vfi_vp, reg_vfi, 0);
bf_set(lpfc_reg_vfi_upd, reg_vfi, 1);
}
+
+ bf_set(lpfc_reg_vfi_bbcr, reg_vfi, 0);
+ bf_set(lpfc_reg_vfi_bbscn, reg_vfi, 0);
+ bbscn_fabric = (phba->fc_fabparam.cmn.bbRcvSizeMsb >> 4) & 0xF;
+
+ if (phba->bbcredit_support && phba->cfg_enable_bbcr &&
+ bbscn_fabric != 0) {
+ bbscn_max = bf_get(lpfc_bbscn_max,
+ &phba->sli4_hba.bbscn_params);
+ if (bbscn_fabric <= bbscn_max) {
+ bbscn_def = bf_get(lpfc_bbscn_def,
+ &phba->sli4_hba.bbscn_params);
+
+ if (bbscn_fabric > bbscn_def)
+ bf_set(lpfc_reg_vfi_bbscn, reg_vfi,
+ bbscn_fabric);
+ else
+ bf_set(lpfc_reg_vfi_bbscn, reg_vfi, bbscn_def);
+
+ bf_set(lpfc_reg_vfi_bbcr, reg_vfi, 1);
+ }
+ }
lpfc_printf_vlog(vport, KERN_INFO, LOG_MBOX,
"3134 Register VFI, mydid:x%x, fcfi:%d, "
" vfi:%d, vpi:%d, fc_pname:%x%x fc_flag:x%x"
- " port_state:x%x topology chg:%d\n",
+ " port_state:x%x topology chg:%d bbscn_fabric :%d\n",
vport->fc_myDID,
phba->fcf.fcfi,
phba->sli4_hba.vfi_ids[vport->vfi],
phba->vpi_ids[vport->vpi],
reg_vfi->wwn[0], reg_vfi->wwn[1], vport->fc_flag,
- vport->port_state, phba->fc_topology_changed);
+ vport->port_state, phba->fc_topology_changed,
+ bbscn_fabric);
}
/**
diff --git a/drivers/scsi/lpfc/lpfc_mem.c b/drivers/scsi/lpfc/lpfc_mem.c
index fcc05a1517c2..56faeb049b4a 100644
--- a/drivers/scsi/lpfc/lpfc_mem.c
+++ b/drivers/scsi/lpfc/lpfc_mem.c
@@ -97,8 +97,8 @@ lpfc_mem_alloc(struct lpfc_hba *phba, int align)
i = SLI4_PAGE_SIZE;
phba->lpfc_sg_dma_buf_pool =
- pci_pool_create("lpfc_sg_dma_buf_pool",
- phba->pcidev,
+ dma_pool_create("lpfc_sg_dma_buf_pool",
+ &phba->pcidev->dev,
phba->cfg_sg_dma_buf_size,
i, 0);
if (!phba->lpfc_sg_dma_buf_pool)
@@ -106,15 +106,15 @@ lpfc_mem_alloc(struct lpfc_hba *phba, int align)
} else {
phba->lpfc_sg_dma_buf_pool =
- pci_pool_create("lpfc_sg_dma_buf_pool",
- phba->pcidev, phba->cfg_sg_dma_buf_size,
+ dma_pool_create("lpfc_sg_dma_buf_pool",
+ &phba->pcidev->dev, phba->cfg_sg_dma_buf_size,
align, 0);
if (!phba->lpfc_sg_dma_buf_pool)
goto fail;
}
- phba->lpfc_mbuf_pool = pci_pool_create("lpfc_mbuf_pool", phba->pcidev,
+ phba->lpfc_mbuf_pool = dma_pool_create("lpfc_mbuf_pool", &phba->pcidev->dev,
LPFC_BPL_SIZE,
align, 0);
if (!phba->lpfc_mbuf_pool)
@@ -128,7 +128,7 @@ lpfc_mem_alloc(struct lpfc_hba *phba, int align)
pool->max_count = 0;
pool->current_count = 0;
for ( i = 0; i < LPFC_MBUF_POOL_SIZE; i++) {
- pool->elements[i].virt = pci_pool_alloc(phba->lpfc_mbuf_pool,
+ pool->elements[i].virt = dma_pool_alloc(phba->lpfc_mbuf_pool,
GFP_KERNEL, &pool->elements[i].phys);
if (!pool->elements[i].virt)
goto fail_free_mbuf_pool;
@@ -152,21 +152,21 @@ lpfc_mem_alloc(struct lpfc_hba *phba, int align)
sizeof(struct lpfc_node_rrq));
if (!phba->rrq_pool)
goto fail_free_nlp_mem_pool;
- phba->lpfc_hrb_pool = pci_pool_create("lpfc_hrb_pool",
- phba->pcidev,
+ phba->lpfc_hrb_pool = dma_pool_create("lpfc_hrb_pool",
+ &phba->pcidev->dev,
LPFC_HDR_BUF_SIZE, align, 0);
if (!phba->lpfc_hrb_pool)
goto fail_free_rrq_mem_pool;
- phba->lpfc_drb_pool = pci_pool_create("lpfc_drb_pool",
- phba->pcidev,
+ phba->lpfc_drb_pool = dma_pool_create("lpfc_drb_pool",
+ &phba->pcidev->dev,
LPFC_DATA_BUF_SIZE, align, 0);
if (!phba->lpfc_drb_pool)
goto fail_free_hrb_pool;
phba->lpfc_hbq_pool = NULL;
} else {
- phba->lpfc_hbq_pool = pci_pool_create("lpfc_hbq_pool",
- phba->pcidev, LPFC_BPL_SIZE, align, 0);
+ phba->lpfc_hbq_pool = dma_pool_create("lpfc_hbq_pool",
+ &phba->pcidev->dev, LPFC_BPL_SIZE, align, 0);
if (!phba->lpfc_hbq_pool)
goto fail_free_nlp_mem_pool;
phba->lpfc_hrb_pool = NULL;
@@ -185,10 +185,10 @@ lpfc_mem_alloc(struct lpfc_hba *phba, int align)
return 0;
fail_free_drb_pool:
- pci_pool_destroy(phba->lpfc_drb_pool);
+ dma_pool_destroy(phba->lpfc_drb_pool);
phba->lpfc_drb_pool = NULL;
fail_free_hrb_pool:
- pci_pool_destroy(phba->lpfc_hrb_pool);
+ dma_pool_destroy(phba->lpfc_hrb_pool);
phba->lpfc_hrb_pool = NULL;
fail_free_rrq_mem_pool:
mempool_destroy(phba->rrq_pool);
@@ -201,14 +201,14 @@ fail_free_drb_pool:
phba->mbox_mem_pool = NULL;
fail_free_mbuf_pool:
while (i--)
- pci_pool_free(phba->lpfc_mbuf_pool, pool->elements[i].virt,
+ dma_pool_free(phba->lpfc_mbuf_pool, pool->elements[i].virt,
pool->elements[i].phys);
kfree(pool->elements);
fail_free_lpfc_mbuf_pool:
- pci_pool_destroy(phba->lpfc_mbuf_pool);
+ dma_pool_destroy(phba->lpfc_mbuf_pool);
phba->lpfc_mbuf_pool = NULL;
fail_free_dma_buf_pool:
- pci_pool_destroy(phba->lpfc_sg_dma_buf_pool);
+ dma_pool_destroy(phba->lpfc_sg_dma_buf_pool);
phba->lpfc_sg_dma_buf_pool = NULL;
fail:
return -ENOMEM;
@@ -218,8 +218,8 @@ int
lpfc_nvmet_mem_alloc(struct lpfc_hba *phba)
{
phba->lpfc_nvmet_drb_pool =
- pci_pool_create("lpfc_nvmet_drb_pool",
- phba->pcidev, LPFC_NVMET_DATA_BUF_SIZE,
+ dma_pool_create("lpfc_nvmet_drb_pool",
+ &phba->pcidev->dev, LPFC_NVMET_DATA_BUF_SIZE,
SGL_ALIGN_SZ, 0);
if (!phba->lpfc_nvmet_drb_pool) {
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
@@ -248,20 +248,20 @@ lpfc_mem_free(struct lpfc_hba *phba)
/* Free HBQ pools */
lpfc_sli_hbqbuf_free_all(phba);
if (phba->lpfc_nvmet_drb_pool)
- pci_pool_destroy(phba->lpfc_nvmet_drb_pool);
+ dma_pool_destroy(phba->lpfc_nvmet_drb_pool);
phba->lpfc_nvmet_drb_pool = NULL;
if (phba->lpfc_drb_pool)
- pci_pool_destroy(phba->lpfc_drb_pool);
+ dma_pool_destroy(phba->lpfc_drb_pool);
phba->lpfc_drb_pool = NULL;
if (phba->lpfc_hrb_pool)
- pci_pool_destroy(phba->lpfc_hrb_pool);
+ dma_pool_destroy(phba->lpfc_hrb_pool);
phba->lpfc_hrb_pool = NULL;
if (phba->txrdy_payload_pool)
- pci_pool_destroy(phba->txrdy_payload_pool);
+ dma_pool_destroy(phba->txrdy_payload_pool);
phba->txrdy_payload_pool = NULL;
if (phba->lpfc_hbq_pool)
- pci_pool_destroy(phba->lpfc_hbq_pool);
+ dma_pool_destroy(phba->lpfc_hbq_pool);
phba->lpfc_hbq_pool = NULL;
if (phba->rrq_pool)
@@ -282,15 +282,15 @@ lpfc_mem_free(struct lpfc_hba *phba)
/* Free MBUF memory pool */
for (i = 0; i < pool->current_count; i++)
- pci_pool_free(phba->lpfc_mbuf_pool, pool->elements[i].virt,
+ dma_pool_free(phba->lpfc_mbuf_pool, pool->elements[i].virt,
pool->elements[i].phys);
kfree(pool->elements);
- pci_pool_destroy(phba->lpfc_mbuf_pool);
+ dma_pool_destroy(phba->lpfc_mbuf_pool);
phba->lpfc_mbuf_pool = NULL;
/* Free DMA buffer memory pool */
- pci_pool_destroy(phba->lpfc_sg_dma_buf_pool);
+ dma_pool_destroy(phba->lpfc_sg_dma_buf_pool);
phba->lpfc_sg_dma_buf_pool = NULL;
/* Free Device Data memory pool */
@@ -379,7 +379,7 @@ lpfc_mem_free_all(struct lpfc_hba *phba)
* @handle: used to return the DMA-mapped address of the mbuf
*
* Description: Allocates a DMA-mapped buffer from the lpfc_mbuf_pool PCI pool.
- * Allocates from generic pci_pool_alloc function first and if that fails and
+ * Allocates from generic dma_pool_alloc function first and if that fails and
* mem_flags has MEM_PRI set (the only defined flag), returns an mbuf from the
* HBA's pool.
*
@@ -397,7 +397,7 @@ lpfc_mbuf_alloc(struct lpfc_hba *phba, int mem_flags, dma_addr_t *handle)
unsigned long iflags;
void *ret;
- ret = pci_pool_alloc(phba->lpfc_mbuf_pool, GFP_KERNEL, handle);
+ ret = dma_pool_alloc(phba->lpfc_mbuf_pool, GFP_KERNEL, handle);
spin_lock_irqsave(&phba->hbalock, iflags);
if (!ret && (mem_flags & MEM_PRI) && pool->current_count) {
@@ -433,7 +433,7 @@ __lpfc_mbuf_free(struct lpfc_hba * phba, void *virt, dma_addr_t dma)
pool->elements[pool->current_count].phys = dma;
pool->current_count++;
} else {
- pci_pool_free(phba->lpfc_mbuf_pool, virt, dma);
+ dma_pool_free(phba->lpfc_mbuf_pool, virt, dma);
}
return;
}
@@ -470,7 +470,7 @@ lpfc_mbuf_free(struct lpfc_hba * phba, void *virt, dma_addr_t dma)
* @handle: used to return the DMA-mapped address of the nvmet_buf
*
* Description: Allocates a DMA-mapped buffer from the lpfc_sg_dma_buf_pool
- * PCI pool. Allocates from generic pci_pool_alloc function.
+ * PCI pool. Allocates from generic dma_pool_alloc function.
*
* Returns:
* pointer to the allocated nvmet_buf on success
@@ -481,7 +481,7 @@ lpfc_nvmet_buf_alloc(struct lpfc_hba *phba, int mem_flags, dma_addr_t *handle)
{
void *ret;
- ret = pci_pool_alloc(phba->lpfc_sg_dma_buf_pool, GFP_KERNEL, handle);
+ ret = dma_pool_alloc(phba->lpfc_sg_dma_buf_pool, GFP_KERNEL, handle);
return ret;
}
@@ -497,7 +497,7 @@ lpfc_nvmet_buf_alloc(struct lpfc_hba *phba, int mem_flags, dma_addr_t *handle)
void
lpfc_nvmet_buf_free(struct lpfc_hba *phba, void *virt, dma_addr_t dma)
{
- pci_pool_free(phba->lpfc_sg_dma_buf_pool, virt, dma);
+ dma_pool_free(phba->lpfc_sg_dma_buf_pool, virt, dma);
}
/**
@@ -522,7 +522,7 @@ lpfc_els_hbq_alloc(struct lpfc_hba *phba)
if (!hbqbp)
return NULL;
- hbqbp->dbuf.virt = pci_pool_alloc(phba->lpfc_hbq_pool, GFP_KERNEL,
+ hbqbp->dbuf.virt = dma_pool_alloc(phba->lpfc_hbq_pool, GFP_KERNEL,
&hbqbp->dbuf.phys);
if (!hbqbp->dbuf.virt) {
kfree(hbqbp);
@@ -547,7 +547,7 @@ lpfc_els_hbq_alloc(struct lpfc_hba *phba)
void
lpfc_els_hbq_free(struct lpfc_hba *phba, struct hbq_dmabuf *hbqbp)
{
- pci_pool_free(phba->lpfc_hbq_pool, hbqbp->dbuf.virt, hbqbp->dbuf.phys);
+ dma_pool_free(phba->lpfc_hbq_pool, hbqbp->dbuf.virt, hbqbp->dbuf.phys);
kfree(hbqbp);
return;
}
@@ -574,16 +574,16 @@ lpfc_sli4_rb_alloc(struct lpfc_hba *phba)
if (!dma_buf)
return NULL;
- dma_buf->hbuf.virt = pci_pool_alloc(phba->lpfc_hrb_pool, GFP_KERNEL,
+ dma_buf->hbuf.virt = dma_pool_alloc(phba->lpfc_hrb_pool, GFP_KERNEL,
&dma_buf->hbuf.phys);
if (!dma_buf->hbuf.virt) {
kfree(dma_buf);
return NULL;
}
- dma_buf->dbuf.virt = pci_pool_alloc(phba->lpfc_drb_pool, GFP_KERNEL,
+ dma_buf->dbuf.virt = dma_pool_alloc(phba->lpfc_drb_pool, GFP_KERNEL,
&dma_buf->dbuf.phys);
if (!dma_buf->dbuf.virt) {
- pci_pool_free(phba->lpfc_hrb_pool, dma_buf->hbuf.virt,
+ dma_pool_free(phba->lpfc_hrb_pool, dma_buf->hbuf.virt,
dma_buf->hbuf.phys);
kfree(dma_buf);
return NULL;
@@ -607,8 +607,8 @@ lpfc_sli4_rb_alloc(struct lpfc_hba *phba)
void
lpfc_sli4_rb_free(struct lpfc_hba *phba, struct hbq_dmabuf *dmab)
{
- pci_pool_free(phba->lpfc_hrb_pool, dmab->hbuf.virt, dmab->hbuf.phys);
- pci_pool_free(phba->lpfc_drb_pool, dmab->dbuf.virt, dmab->dbuf.phys);
+ dma_pool_free(phba->lpfc_hrb_pool, dmab->hbuf.virt, dmab->hbuf.phys);
+ dma_pool_free(phba->lpfc_drb_pool, dmab->dbuf.virt, dmab->dbuf.phys);
kfree(dmab);
}
@@ -634,16 +634,16 @@ lpfc_sli4_nvmet_alloc(struct lpfc_hba *phba)
if (!dma_buf)
return NULL;
- dma_buf->hbuf.virt = pci_pool_alloc(phba->lpfc_hrb_pool, GFP_KERNEL,
+ dma_buf->hbuf.virt = dma_pool_alloc(phba->lpfc_hrb_pool, GFP_KERNEL,
&dma_buf->hbuf.phys);
if (!dma_buf->hbuf.virt) {
kfree(dma_buf);
return NULL;
}
- dma_buf->dbuf.virt = pci_pool_alloc(phba->lpfc_nvmet_drb_pool,
+ dma_buf->dbuf.virt = dma_pool_alloc(phba->lpfc_nvmet_drb_pool,
GFP_KERNEL, &dma_buf->dbuf.phys);
if (!dma_buf->dbuf.virt) {
- pci_pool_free(phba->lpfc_hrb_pool, dma_buf->hbuf.virt,
+ dma_pool_free(phba->lpfc_hrb_pool, dma_buf->hbuf.virt,
dma_buf->hbuf.phys);
kfree(dma_buf);
return NULL;
@@ -667,8 +667,8 @@ lpfc_sli4_nvmet_alloc(struct lpfc_hba *phba)
void
lpfc_sli4_nvmet_free(struct lpfc_hba *phba, struct rqb_dmabuf *dmab)
{
- pci_pool_free(phba->lpfc_hrb_pool, dmab->hbuf.virt, dmab->hbuf.phys);
- pci_pool_free(phba->lpfc_nvmet_drb_pool,
+ dma_pool_free(phba->lpfc_hrb_pool, dmab->hbuf.virt, dmab->hbuf.phys);
+ dma_pool_free(phba->lpfc_nvmet_drb_pool,
dmab->dbuf.virt, dmab->dbuf.phys);
kfree(dmab);
}
diff --git a/drivers/scsi/lpfc/lpfc_nportdisc.c b/drivers/scsi/lpfc/lpfc_nportdisc.c
index f74cb0142fd4..f3ad7cac355d 100644
--- a/drivers/scsi/lpfc/lpfc_nportdisc.c
+++ b/drivers/scsi/lpfc/lpfc_nportdisc.c
@@ -1724,6 +1724,9 @@ lpfc_cmpl_reglogin_reglogin_issue(struct lpfc_vport *vport,
lpfc_nvme_update_localport(vport);
}
+ } else if (phba->fc_topology == LPFC_TOPOLOGY_LOOP) {
+ ndlp->nlp_fc4_type |= NLP_FC4_FCP;
+
} else if (ndlp->nlp_fc4_type == 0) {
rc = lpfc_ns_cmd(vport, SLI_CTNS_GFT_ID,
0, ndlp->nlp_DID);
@@ -1892,6 +1895,15 @@ lpfc_cmpl_prli_prli_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
goto out;
}
+ /* When the rport rejected the FCP PRLI as unsupported.
+ * This should only happen in Pt2Pt so an NVME PRLI
+ * should be outstanding still.
+ */
+ if (npr && ndlp->nlp_flag & NLP_FCP_PRLI_RJT) {
+ ndlp->nlp_fc4_type &= ~NLP_FC4_FCP;
+ goto out_err;
+ }
+
/* The LS Req had some error. Don't let this be a
* target.
*/
@@ -2189,12 +2201,15 @@ lpfc_device_rm_logo_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
void *arg, uint32_t evt)
{
/*
- * Take no action. If a LOGO is outstanding, then possibly DevLoss has
- * timed out and is calling for Device Remove. In this case, the LOGO
- * must be allowed to complete in state LOGO_ISSUE so that the rpi
- * and other NLP flags are correctly cleaned up.
+ * DevLoss has timed out and is calling for Device Remove.
+ * In this case, abort the LOGO and cleanup the ndlp
*/
- return ndlp->nlp_state;
+
+ lpfc_unreg_rpi(vport, ndlp);
+ /* software abort outstanding PLOGI */
+ lpfc_els_abort(vport->phba, ndlp);
+ lpfc_drop_node(vport, ndlp);
+ return NLP_STE_FREED_NODE;
}
static uint32_t
diff --git a/drivers/scsi/lpfc/lpfc_nvme.c b/drivers/scsi/lpfc/lpfc_nvme.c
index 0a0a1b92d01d..79ba3ce063a4 100644
--- a/drivers/scsi/lpfc/lpfc_nvme.c
+++ b/drivers/scsi/lpfc/lpfc_nvme.c
@@ -110,7 +110,7 @@ lpfc_nvme_create_queue(struct nvme_fc_local_port *pnvme_lport,
qhandle->index = qidx;
}
- lpfc_printf_vlog(vport, KERN_ERR, LOG_NVME,
+ lpfc_printf_vlog(vport, KERN_INFO, LOG_NVME,
"6073 Binding %s HdwQueue %d (cpu %d) to "
"io_channel %d qhandle %p\n", str,
qidx, qhandle->cpu_id, qhandle->index, qhandle);
@@ -364,7 +364,7 @@ lpfc_nvme_gen_req(struct lpfc_vport *vport, struct lpfc_dmabuf *bmp,
genwqe->sli4_xritag, genwqe->iotag, ndlp->nlp_DID);
rc = lpfc_sli4_issue_wqe(phba, LPFC_ELS_RING, genwqe);
- if (rc == WQE_ERROR) {
+ if (rc) {
lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS,
"6045 Issue GEN REQ WQE to NPORT x%x "
"Data: x%x x%x\n",
@@ -1270,7 +1270,7 @@ lpfc_nvme_fcp_io_submit(struct nvme_fc_local_port *pnvme_lport,
* not exceed the programmed depth.
*/
if (atomic_read(&ndlp->cmd_pending) >= ndlp->cmd_qdepth) {
- ret = -EAGAIN;
+ ret = -EBUSY;
goto out_fail;
}
@@ -1279,7 +1279,7 @@ lpfc_nvme_fcp_io_submit(struct nvme_fc_local_port *pnvme_lport,
lpfc_printf_vlog(vport, KERN_INFO, LOG_NVME_IOERR,
"6065 driver's buffer pool is empty, "
"IO failed\n");
- ret = -ENOMEM;
+ ret = -EBUSY;
goto out_fail;
}
#ifdef CONFIG_SCSI_LPFC_DEBUG_FS
@@ -1332,7 +1332,6 @@ lpfc_nvme_fcp_io_submit(struct nvme_fc_local_port *pnvme_lport,
"sid: x%x did: x%x oxid: x%x\n",
ret, vport->fc_myDID, ndlp->nlp_DID,
lpfc_ncmd->cur_iocbq.sli4_xritag);
- ret = -EBUSY;
goto out_free_nvme_buf;
}
@@ -1576,7 +1575,7 @@ lpfc_nvme_fcp_abort(struct nvme_fc_local_port *pnvme_lport,
abts_buf->wqe_cmpl = lpfc_nvme_abort_fcreq_cmpl;
ret_val = lpfc_sli4_issue_wqe(phba, LPFC_FCP_RING, abts_buf);
spin_unlock_irqrestore(&phba->hbalock, flags);
- if (ret_val == IOCB_ERROR) {
+ if (ret_val) {
lpfc_printf_vlog(vport, KERN_ERR, LOG_NVME_ABTS,
"6137 Failed abts issue_wqe with status x%x "
"for nvme_fcreq %p.\n",
@@ -1939,7 +1938,7 @@ lpfc_new_nvme_buf(struct lpfc_vport *vport, int num_to_alloc)
* pci bus space for an I/O. The DMA buffer includes the
* number of SGE's necessary to support the sg_tablesize.
*/
- lpfc_ncmd->data = pci_pool_alloc(phba->lpfc_sg_dma_buf_pool,
+ lpfc_ncmd->data = dma_pool_alloc(phba->lpfc_sg_dma_buf_pool,
GFP_KERNEL,
&lpfc_ncmd->dma_handle);
if (!lpfc_ncmd->data) {
@@ -1950,7 +1949,7 @@ lpfc_new_nvme_buf(struct lpfc_vport *vport, int num_to_alloc)
lxri = lpfc_sli4_next_xritag(phba);
if (lxri == NO_XRI) {
- pci_pool_free(phba->lpfc_sg_dma_buf_pool,
+ dma_pool_free(phba->lpfc_sg_dma_buf_pool,
lpfc_ncmd->data, lpfc_ncmd->dma_handle);
kfree(lpfc_ncmd);
break;
@@ -1961,7 +1960,7 @@ lpfc_new_nvme_buf(struct lpfc_vport *vport, int num_to_alloc)
/* Allocate iotag for lpfc_ncmd->cur_iocbq. */
iotag = lpfc_sli_next_iotag(phba, pwqeq);
if (iotag == 0) {
- pci_pool_free(phba->lpfc_sg_dma_buf_pool,
+ dma_pool_free(phba->lpfc_sg_dma_buf_pool,
lpfc_ncmd->data, lpfc_ncmd->dma_handle);
kfree(lpfc_ncmd);
lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR,
@@ -2182,8 +2181,15 @@ lpfc_nvme_create_localport(struct lpfc_vport *vport)
vport->localport = localport;
lport->vport = vport;
vport->nvmei_support = 1;
- len = lpfc_new_nvme_buf(vport, phba->sli4_hba.nvme_xri_max);
- vport->phba->total_nvme_bufs += len;
+
+ /* Don't post more new bufs if repost already recovered
+ * the nvme sgls.
+ */
+ if (phba->sli4_hba.nvme_xri_cnt == 0) {
+ len = lpfc_new_nvme_buf(vport,
+ phba->sli4_hba.nvme_xri_max);
+ vport->phba->total_nvme_bufs += len;
+ }
}
return ret;
@@ -2296,6 +2302,9 @@ lpfc_nvme_register_port(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp)
ndlp->nlp_DID, ndlp->nlp_type);
localport = vport->localport;
+ if (!localport)
+ return 0;
+
lport = (struct lpfc_nvme_lport *)localport->private;
/* NVME rports are not preserved across devloss.
diff --git a/drivers/scsi/lpfc/lpfc_nvmet.c b/drivers/scsi/lpfc/lpfc_nvmet.c
index bbbd0f84160d..0b7c1a49e203 100644
--- a/drivers/scsi/lpfc/lpfc_nvmet.c
+++ b/drivers/scsi/lpfc/lpfc_nvmet.c
@@ -170,12 +170,14 @@ lpfc_nvmet_ctxbuf_post(struct lpfc_hba *phba, struct lpfc_nvmet_ctxbuf *ctx_buf)
struct lpfc_nvmet_tgtport *tgtp;
struct fc_frame_header *fc_hdr;
struct rqb_dmabuf *nvmebuf;
+ struct lpfc_nvmet_ctx_info *infop;
uint32_t *payload;
uint32_t size, oxid, sid, rc;
+ int cpu;
unsigned long iflag;
if (ctxp->txrdy) {
- pci_pool_free(phba->txrdy_payload_pool, ctxp->txrdy,
+ dma_pool_free(phba->txrdy_payload_pool, ctxp->txrdy,
ctxp->txrdy_phys);
ctxp->txrdy = NULL;
ctxp->txrdy_phys = 0;
@@ -267,11 +269,16 @@ lpfc_nvmet_ctxbuf_post(struct lpfc_hba *phba, struct lpfc_nvmet_ctxbuf *ctx_buf)
}
spin_unlock_irqrestore(&phba->sli4_hba.nvmet_io_wait_lock, iflag);
- spin_lock_irqsave(&phba->sli4_hba.nvmet_ctx_put_lock, iflag);
- list_add_tail(&ctx_buf->list,
- &phba->sli4_hba.lpfc_nvmet_ctx_put_list);
- phba->sli4_hba.nvmet_ctx_put_cnt++;
- spin_unlock_irqrestore(&phba->sli4_hba.nvmet_ctx_put_lock, iflag);
+ /*
+ * Use the CPU context list, from the MRQ the IO was received on
+ * (ctxp->idx), to save context structure.
+ */
+ cpu = smp_processor_id();
+ infop = lpfc_get_ctx_list(phba, cpu, ctxp->idx);
+ spin_lock_irqsave(&infop->nvmet_ctx_list_lock, iflag);
+ list_add_tail(&ctx_buf->list, &infop->nvmet_ctx_list);
+ infop->nvmet_ctx_list_cnt++;
+ spin_unlock_irqrestore(&infop->nvmet_ctx_list_lock, iflag);
#endif
}
@@ -552,7 +559,7 @@ lpfc_nvmet_xmt_fcp_op_cmp(struct lpfc_hba *phba, struct lpfc_iocbq *cmdwqe,
/* lpfc_nvmet_xmt_fcp_release() will recycle the context */
} else {
ctxp->entry_cnt++;
- start_clean = offsetof(struct lpfc_iocbq, wqe);
+ start_clean = offsetof(struct lpfc_iocbq, iocb_flag);
memset(((char *)cmdwqe) + start_clean, 0,
(sizeof(struct lpfc_iocbq) - start_clean));
#ifdef CONFIG_SCSI_LPFC_DEBUG_FS
@@ -879,51 +886,54 @@ static struct nvmet_fc_target_template lpfc_tgttemplate = {
};
static void
-lpfc_nvmet_cleanup_io_context(struct lpfc_hba *phba)
+__lpfc_nvmet_clean_io_for_cpu(struct lpfc_hba *phba,
+ struct lpfc_nvmet_ctx_info *infop)
{
struct lpfc_nvmet_ctxbuf *ctx_buf, *next_ctx_buf;
unsigned long flags;
- spin_lock_irqsave(&phba->sli4_hba.nvmet_ctx_get_lock, flags);
- spin_lock(&phba->sli4_hba.nvmet_ctx_put_lock);
+ spin_lock_irqsave(&infop->nvmet_ctx_list_lock, flags);
list_for_each_entry_safe(ctx_buf, next_ctx_buf,
- &phba->sli4_hba.lpfc_nvmet_ctx_get_list, list) {
+ &infop->nvmet_ctx_list, list) {
spin_lock(&phba->sli4_hba.abts_nvme_buf_list_lock);
list_del_init(&ctx_buf->list);
spin_unlock(&phba->sli4_hba.abts_nvme_buf_list_lock);
- __lpfc_clear_active_sglq(phba,
- ctx_buf->sglq->sli4_lxritag);
+
+ __lpfc_clear_active_sglq(phba, ctx_buf->sglq->sli4_lxritag);
ctx_buf->sglq->state = SGL_FREED;
ctx_buf->sglq->ndlp = NULL;
spin_lock(&phba->sli4_hba.sgl_list_lock);
list_add_tail(&ctx_buf->sglq->list,
- &phba->sli4_hba.lpfc_nvmet_sgl_list);
+ &phba->sli4_hba.lpfc_nvmet_sgl_list);
spin_unlock(&phba->sli4_hba.sgl_list_lock);
lpfc_sli_release_iocbq(phba, ctx_buf->iocbq);
kfree(ctx_buf->context);
}
- list_for_each_entry_safe(ctx_buf, next_ctx_buf,
- &phba->sli4_hba.lpfc_nvmet_ctx_put_list, list) {
- spin_lock(&phba->sli4_hba.abts_nvme_buf_list_lock);
- list_del_init(&ctx_buf->list);
- spin_unlock(&phba->sli4_hba.abts_nvme_buf_list_lock);
- __lpfc_clear_active_sglq(phba,
- ctx_buf->sglq->sli4_lxritag);
- ctx_buf->sglq->state = SGL_FREED;
- ctx_buf->sglq->ndlp = NULL;
+ spin_unlock_irqrestore(&infop->nvmet_ctx_list_lock, flags);
+}
- spin_lock(&phba->sli4_hba.sgl_list_lock);
- list_add_tail(&ctx_buf->sglq->list,
- &phba->sli4_hba.lpfc_nvmet_sgl_list);
- spin_unlock(&phba->sli4_hba.sgl_list_lock);
+static void
+lpfc_nvmet_cleanup_io_context(struct lpfc_hba *phba)
+{
+ struct lpfc_nvmet_ctx_info *infop;
+ int i, j;
- lpfc_sli_release_iocbq(phba, ctx_buf->iocbq);
- kfree(ctx_buf->context);
+ /* The first context list, MRQ 0 CPU 0 */
+ infop = phba->sli4_hba.nvmet_ctx_info;
+ if (!infop)
+ return;
+
+ /* Cycle the the entire CPU context list for every MRQ */
+ for (i = 0; i < phba->cfg_nvmet_mrq; i++) {
+ for (j = 0; j < phba->sli4_hba.num_present_cpu; j++) {
+ __lpfc_nvmet_clean_io_for_cpu(phba, infop);
+ infop++; /* next */
+ }
}
- spin_unlock(&phba->sli4_hba.nvmet_ctx_put_lock);
- spin_unlock_irqrestore(&phba->sli4_hba.nvmet_ctx_get_lock, flags);
+ kfree(phba->sli4_hba.nvmet_ctx_info);
+ phba->sli4_hba.nvmet_ctx_info = NULL;
}
static int
@@ -932,15 +942,71 @@ lpfc_nvmet_setup_io_context(struct lpfc_hba *phba)
struct lpfc_nvmet_ctxbuf *ctx_buf;
struct lpfc_iocbq *nvmewqe;
union lpfc_wqe128 *wqe;
- int i;
+ struct lpfc_nvmet_ctx_info *last_infop;
+ struct lpfc_nvmet_ctx_info *infop;
+ int i, j, idx;
lpfc_printf_log(phba, KERN_INFO, LOG_NVME,
"6403 Allocate NVMET resources for %d XRIs\n",
phba->sli4_hba.nvmet_xri_cnt);
+ phba->sli4_hba.nvmet_ctx_info = kcalloc(
+ phba->sli4_hba.num_present_cpu * phba->cfg_nvmet_mrq,
+ sizeof(struct lpfc_nvmet_ctx_info), GFP_KERNEL);
+ if (!phba->sli4_hba.nvmet_ctx_info) {
+ lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+ "6419 Failed allocate memory for "
+ "nvmet context lists\n");
+ return -ENOMEM;
+ }
+
+ /*
+ * Assuming X CPUs in the system, and Y MRQs, allocate some
+ * lpfc_nvmet_ctx_info structures as follows:
+ *
+ * cpu0/mrq0 cpu1/mrq0 ... cpuX/mrq0
+ * cpu0/mrq1 cpu1/mrq1 ... cpuX/mrq1
+ * ...
+ * cpuX/mrqY cpuX/mrqY ... cpuX/mrqY
+ *
+ * Each line represents a MRQ "silo" containing an entry for
+ * every CPU.
+ *
+ * MRQ X is initially assumed to be associated with CPU X, thus
+ * contexts are initially distributed across all MRQs using
+ * the MRQ index (N) as follows cpuN/mrqN. When contexts are
+ * freed, the are freed to the MRQ silo based on the CPU number
+ * of the IO completion. Thus a context that was allocated for MRQ A
+ * whose IO completed on CPU B will be freed to cpuB/mrqA.
+ */
+ infop = phba->sli4_hba.nvmet_ctx_info;
+ for (i = 0; i < phba->sli4_hba.num_present_cpu; i++) {
+ for (j = 0; j < phba->cfg_nvmet_mrq; j++) {
+ INIT_LIST_HEAD(&infop->nvmet_ctx_list);
+ spin_lock_init(&infop->nvmet_ctx_list_lock);
+ infop->nvmet_ctx_list_cnt = 0;
+ infop++;
+ }
+ }
+
+ /*
+ * Setup the next CPU context info ptr for each MRQ.
+ * MRQ 0 will cycle thru CPUs 0 - X separately from
+ * MRQ 1 cycling thru CPUs 0 - X, and so on.
+ */
+ for (j = 0; j < phba->cfg_nvmet_mrq; j++) {
+ last_infop = lpfc_get_ctx_list(phba, 0, j);
+ for (i = phba->sli4_hba.num_present_cpu - 1; i >= 0; i--) {
+ infop = lpfc_get_ctx_list(phba, i, j);
+ infop->nvmet_ctx_next_cpu = last_infop;
+ last_infop = infop;
+ }
+ }
+
/* For all nvmet xris, allocate resources needed to process a
* received command on a per xri basis.
*/
+ idx = 0;
for (i = 0; i < phba->sli4_hba.nvmet_xri_cnt; i++) {
ctx_buf = kzalloc(sizeof(*ctx_buf), GFP_KERNEL);
if (!ctx_buf) {
@@ -977,7 +1043,6 @@ lpfc_nvmet_setup_io_context(struct lpfc_hba *phba)
/* Word 7 */
bf_set(wqe_ct, &wqe->generic.wqe_com, SLI4_CT_RPI);
bf_set(wqe_class, &wqe->generic.wqe_com, CLASS3);
- bf_set(wqe_pu, &wqe->generic.wqe_com, 1);
/* Word 10 */
bf_set(wqe_nvme, &wqe->fcp_tsend.wqe_com, 1);
bf_set(wqe_ebde_cnt, &wqe->generic.wqe_com, 0);
@@ -995,12 +1060,35 @@ lpfc_nvmet_setup_io_context(struct lpfc_hba *phba)
"6407 Ran out of NVMET XRIs\n");
return -ENOMEM;
}
- spin_lock(&phba->sli4_hba.nvmet_ctx_get_lock);
- list_add_tail(&ctx_buf->list,
- &phba->sli4_hba.lpfc_nvmet_ctx_get_list);
- spin_unlock(&phba->sli4_hba.nvmet_ctx_get_lock);
+
+ /*
+ * Add ctx to MRQidx context list. Our initial assumption
+ * is MRQidx will be associated with CPUidx. This association
+ * can change on the fly.
+ */
+ infop = lpfc_get_ctx_list(phba, idx, idx);
+ spin_lock(&infop->nvmet_ctx_list_lock);
+ list_add_tail(&ctx_buf->list, &infop->nvmet_ctx_list);
+ infop->nvmet_ctx_list_cnt++;
+ spin_unlock(&infop->nvmet_ctx_list_lock);
+
+ /* Spread ctx structures evenly across all MRQs */
+ idx++;
+ if (idx >= phba->cfg_nvmet_mrq)
+ idx = 0;
+ }
+
+ infop = phba->sli4_hba.nvmet_ctx_info;
+ for (j = 0; j < phba->cfg_nvmet_mrq; j++) {
+ for (i = 0; i < phba->sli4_hba.num_present_cpu; i++) {
+ lpfc_printf_log(phba, KERN_INFO, LOG_NVME | LOG_INIT,
+ "6408 TOTAL NVMET ctx for CPU %d "
+ "MRQ %d: cnt %d nextcpu %p\n",
+ i, j, infop->nvmet_ctx_list_cnt,
+ infop->nvmet_ctx_next_cpu);
+ infop++;
+ }
}
- phba->sli4_hba.nvmet_ctx_get_cnt = phba->sli4_hba.nvmet_xri_cnt;
return 0;
}
@@ -1365,10 +1453,65 @@ dropit:
#endif
}
+static struct lpfc_nvmet_ctxbuf *
+lpfc_nvmet_replenish_context(struct lpfc_hba *phba,
+ struct lpfc_nvmet_ctx_info *current_infop)
+{
+ struct lpfc_nvmet_ctxbuf *ctx_buf = NULL;
+ struct lpfc_nvmet_ctx_info *get_infop;
+ int i;
+
+ /*
+ * The current_infop for the MRQ a NVME command IU was received
+ * on is empty. Our goal is to replenish this MRQs context
+ * list from a another CPUs.
+ *
+ * First we need to pick a context list to start looking on.
+ * nvmet_ctx_start_cpu has available context the last time
+ * we needed to replenish this CPU where nvmet_ctx_next_cpu
+ * is just the next sequential CPU for this MRQ.
+ */
+ if (current_infop->nvmet_ctx_start_cpu)
+ get_infop = current_infop->nvmet_ctx_start_cpu;
+ else
+ get_infop = current_infop->nvmet_ctx_next_cpu;
+
+ for (i = 0; i < phba->sli4_hba.num_present_cpu; i++) {
+ if (get_infop == current_infop) {
+ get_infop = get_infop->nvmet_ctx_next_cpu;
+ continue;
+ }
+ spin_lock(&get_infop->nvmet_ctx_list_lock);
+
+ /* Just take the entire context list, if there are any */
+ if (get_infop->nvmet_ctx_list_cnt) {
+ list_splice_init(&get_infop->nvmet_ctx_list,
+ &current_infop->nvmet_ctx_list);
+ current_infop->nvmet_ctx_list_cnt =
+ get_infop->nvmet_ctx_list_cnt - 1;
+ get_infop->nvmet_ctx_list_cnt = 0;
+ spin_unlock(&get_infop->nvmet_ctx_list_lock);
+
+ current_infop->nvmet_ctx_start_cpu = get_infop;
+ list_remove_head(&current_infop->nvmet_ctx_list,
+ ctx_buf, struct lpfc_nvmet_ctxbuf,
+ list);
+ return ctx_buf;
+ }
+
+ /* Otherwise, move on to the next CPU for this MRQ */
+ spin_unlock(&get_infop->nvmet_ctx_list_lock);
+ get_infop = get_infop->nvmet_ctx_next_cpu;
+ }
+
+ /* Nothing found, all contexts for the MRQ are in-flight */
+ return NULL;
+}
+
/**
* lpfc_nvmet_unsol_fcp_buffer - Process an unsolicited event data buffer
* @phba: pointer to lpfc hba data structure.
- * @pring: pointer to a SLI ring.
+ * @idx: relative index of MRQ vector
* @nvmebuf: pointer to lpfc nvme command HBQ data structure.
*
* This routine is used for processing the WQE associated with a unsolicited
@@ -1380,22 +1523,26 @@ dropit:
**/
static void
lpfc_nvmet_unsol_fcp_buffer(struct lpfc_hba *phba,
- struct lpfc_sli_ring *pring,
+ uint32_t idx,
struct rqb_dmabuf *nvmebuf,
uint64_t isr_timestamp)
{
-#if (IS_ENABLED(CONFIG_NVME_TARGET_FC))
struct lpfc_nvmet_rcv_ctx *ctxp;
struct lpfc_nvmet_tgtport *tgtp;
struct fc_frame_header *fc_hdr;
struct lpfc_nvmet_ctxbuf *ctx_buf;
+ struct lpfc_nvmet_ctx_info *current_infop;
uint32_t *payload;
uint32_t size, oxid, sid, rc, qno;
unsigned long iflag;
+ int current_cpu;
#ifdef CONFIG_SCSI_LPFC_DEBUG_FS
uint32_t id;
#endif
+ if (!IS_ENABLED(CONFIG_NVME_TARGET_FC))
+ return;
+
ctx_buf = NULL;
if (!nvmebuf || !phba->targetport) {
lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR,
@@ -1407,31 +1554,24 @@ lpfc_nvmet_unsol_fcp_buffer(struct lpfc_hba *phba,
goto dropit;
}
- spin_lock_irqsave(&phba->sli4_hba.nvmet_ctx_get_lock, iflag);
- if (phba->sli4_hba.nvmet_ctx_get_cnt) {
- list_remove_head(&phba->sli4_hba.lpfc_nvmet_ctx_get_list,
+ /*
+ * Get a pointer to the context list for this MRQ based on
+ * the CPU this MRQ IRQ is associated with. If the CPU association
+ * changes from our initial assumption, the context list could
+ * be empty, thus it would need to be replenished with the
+ * context list from another CPU for this MRQ.
+ */
+ current_cpu = smp_processor_id();
+ current_infop = lpfc_get_ctx_list(phba, current_cpu, idx);
+ spin_lock_irqsave(&current_infop->nvmet_ctx_list_lock, iflag);
+ if (current_infop->nvmet_ctx_list_cnt) {
+ list_remove_head(&current_infop->nvmet_ctx_list,
ctx_buf, struct lpfc_nvmet_ctxbuf, list);
- phba->sli4_hba.nvmet_ctx_get_cnt--;
+ current_infop->nvmet_ctx_list_cnt--;
} else {
- spin_lock(&phba->sli4_hba.nvmet_ctx_put_lock);
- if (phba->sli4_hba.nvmet_ctx_put_cnt) {
- list_splice(&phba->sli4_hba.lpfc_nvmet_ctx_put_list,
- &phba->sli4_hba.lpfc_nvmet_ctx_get_list);
- INIT_LIST_HEAD(&phba->sli4_hba.lpfc_nvmet_ctx_put_list);
- phba->sli4_hba.nvmet_ctx_get_cnt =
- phba->sli4_hba.nvmet_ctx_put_cnt;
- phba->sli4_hba.nvmet_ctx_put_cnt = 0;
- spin_unlock(&phba->sli4_hba.nvmet_ctx_put_lock);
-
- list_remove_head(
- &phba->sli4_hba.lpfc_nvmet_ctx_get_list,
- ctx_buf, struct lpfc_nvmet_ctxbuf, list);
- phba->sli4_hba.nvmet_ctx_get_cnt--;
- } else {
- spin_unlock(&phba->sli4_hba.nvmet_ctx_put_lock);
- }
+ ctx_buf = lpfc_nvmet_replenish_context(phba, current_infop);
}
- spin_unlock_irqrestore(&phba->sli4_hba.nvmet_ctx_get_lock, iflag);
+ spin_unlock_irqrestore(&current_infop->nvmet_ctx_list_lock, iflag);
fc_hdr = (struct fc_frame_header *)(nvmebuf->hbuf.virt);
oxid = be16_to_cpu(fc_hdr->fh_ox_id);
@@ -1483,6 +1623,7 @@ lpfc_nvmet_unsol_fcp_buffer(struct lpfc_hba *phba,
ctxp->size = size;
ctxp->oxid = oxid;
ctxp->sid = sid;
+ ctxp->idx = idx;
ctxp->state = LPFC_NVMET_STE_RCV;
ctxp->entry_cnt = 1;
ctxp->flag = 0;
@@ -1556,7 +1697,6 @@ dropit:
if (nvmebuf)
lpfc_rq_buf_free(phba, &nvmebuf->hbuf); /* repost */
-#endif
}
/**
@@ -1591,7 +1731,7 @@ lpfc_nvmet_unsol_ls_event(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
/**
* lpfc_nvmet_unsol_fcp_event - Process an unsolicited event from an nvme nport
* @phba: pointer to lpfc hba data structure.
- * @pring: pointer to a SLI ring.
+ * @idx: relative index of MRQ vector
* @nvmebuf: pointer to received nvme data structure.
*
* This routine is used to process an unsolicited event received from a SLI
@@ -1602,7 +1742,7 @@ lpfc_nvmet_unsol_ls_event(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
**/
void
lpfc_nvmet_unsol_fcp_event(struct lpfc_hba *phba,
- struct lpfc_sli_ring *pring,
+ uint32_t idx,
struct rqb_dmabuf *nvmebuf,
uint64_t isr_timestamp)
{
@@ -1610,7 +1750,7 @@ lpfc_nvmet_unsol_fcp_event(struct lpfc_hba *phba,
lpfc_rq_buf_free(phba, &nvmebuf->hbuf);
return;
}
- lpfc_nvmet_unsol_fcp_buffer(phba, pring, nvmebuf,
+ lpfc_nvmet_unsol_fcp_buffer(phba, idx, nvmebuf,
isr_timestamp);
}
@@ -1863,6 +2003,7 @@ lpfc_nvmet_prep_fcp_wqe(struct lpfc_hba *phba,
nvmewqe->sli4_xritag);
/* Word 7 */
+ bf_set(wqe_pu, &wqe->fcp_tsend.wqe_com, 1);
bf_set(wqe_cmnd, &wqe->fcp_tsend.wqe_com, CMD_FCP_TSEND64_WQE);
/* Word 8 */
@@ -1939,7 +2080,7 @@ lpfc_nvmet_prep_fcp_wqe(struct lpfc_hba *phba,
case NVMET_FCOP_WRITEDATA:
/* Words 0 - 2 : The first sg segment */
- txrdy = pci_pool_alloc(phba->txrdy_payload_pool,
+ txrdy = dma_pool_alloc(phba->txrdy_payload_pool,
GFP_KERNEL, &physaddr);
if (!txrdy) {
lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR,
@@ -1971,6 +2112,7 @@ lpfc_nvmet_prep_fcp_wqe(struct lpfc_hba *phba,
nvmewqe->sli4_xritag);
/* Word 7 */
+ bf_set(wqe_pu, &wqe->fcp_treceive.wqe_com, 1);
bf_set(wqe_ar, &wqe->fcp_treceive.wqe_com, 0);
bf_set(wqe_cmnd, &wqe->fcp_treceive.wqe_com,
CMD_FCP_TRECEIVE64_WQE);
@@ -2054,6 +2196,7 @@ lpfc_nvmet_prep_fcp_wqe(struct lpfc_hba *phba,
nvmewqe->sli4_xritag);
/* Word 7 */
+ bf_set(wqe_pu, &wqe->fcp_trsp.wqe_com, 0);
bf_set(wqe_ag, &wqe->fcp_trsp.wqe_com, 1);
bf_set(wqe_cmnd, &wqe->fcp_trsp.wqe_com, CMD_FCP_TRSP64_WQE);
diff --git a/drivers/scsi/lpfc/lpfc_nvmet.h b/drivers/scsi/lpfc/lpfc_nvmet.h
index 48a76788b003..25a65b0bb7f3 100644
--- a/drivers/scsi/lpfc/lpfc_nvmet.h
+++ b/drivers/scsi/lpfc/lpfc_nvmet.h
@@ -74,6 +74,19 @@ struct lpfc_nvmet_tgtport {
atomic_t xmt_abort_rsp_error;
};
+struct lpfc_nvmet_ctx_info {
+ struct list_head nvmet_ctx_list;
+ spinlock_t nvmet_ctx_list_lock; /* lock per CPU */
+ struct lpfc_nvmet_ctx_info *nvmet_ctx_next_cpu;
+ struct lpfc_nvmet_ctx_info *nvmet_ctx_start_cpu;
+ uint16_t nvmet_ctx_list_cnt;
+ char pad[16]; /* pad to a cache-line */
+};
+
+/* This retrieves the context info associated with the specified cpu / mrq */
+#define lpfc_get_ctx_list(phba, cpu, mrq) \
+ (phba->sli4_hba.nvmet_ctx_info + ((cpu * phba->cfg_nvmet_mrq) + mrq))
+
struct lpfc_nvmet_rcv_ctx {
union {
struct nvmefc_tgt_ls_req ls_req;
@@ -92,6 +105,7 @@ struct lpfc_nvmet_rcv_ctx {
uint16_t size;
uint16_t entry_cnt;
uint16_t cpu;
+ uint16_t idx;
uint16_t state;
/* States */
#define LPFC_NVMET_STE_LS_RCV 1
diff --git a/drivers/scsi/lpfc/lpfc_scsi.c b/drivers/scsi/lpfc/lpfc_scsi.c
index adc784539061..1a6f122bb25d 100644
--- a/drivers/scsi/lpfc/lpfc_scsi.c
+++ b/drivers/scsi/lpfc/lpfc_scsi.c
@@ -416,7 +416,7 @@ lpfc_new_scsi_buf_s3(struct lpfc_vport *vport, int num_to_alloc)
* struct fcp_cmnd, struct fcp_rsp and the number of bde's
* necessary to support the sg_tablesize.
*/
- psb->data = pci_pool_zalloc(phba->lpfc_sg_dma_buf_pool,
+ psb->data = dma_pool_zalloc(phba->lpfc_sg_dma_buf_pool,
GFP_KERNEL, &psb->dma_handle);
if (!psb->data) {
kfree(psb);
@@ -427,7 +427,7 @@ lpfc_new_scsi_buf_s3(struct lpfc_vport *vport, int num_to_alloc)
/* Allocate iotag for psb->cur_iocbq. */
iotag = lpfc_sli_next_iotag(phba, &psb->cur_iocbq);
if (iotag == 0) {
- pci_pool_free(phba->lpfc_sg_dma_buf_pool,
+ dma_pool_free(phba->lpfc_sg_dma_buf_pool,
psb->data, psb->dma_handle);
kfree(psb);
break;
@@ -826,7 +826,7 @@ lpfc_new_scsi_buf_s4(struct lpfc_vport *vport, int num_to_alloc)
* for the struct fcp_cmnd, struct fcp_rsp and the number
* of bde's necessary to support the sg_tablesize.
*/
- psb->data = pci_pool_zalloc(phba->lpfc_sg_dma_buf_pool,
+ psb->data = dma_pool_zalloc(phba->lpfc_sg_dma_buf_pool,
GFP_KERNEL, &psb->dma_handle);
if (!psb->data) {
kfree(psb);
@@ -839,7 +839,7 @@ lpfc_new_scsi_buf_s4(struct lpfc_vport *vport, int num_to_alloc)
*/
if (phba->cfg_enable_bg && (((unsigned long)(psb->data) &
(unsigned long)(SLI4_PAGE_SIZE - 1)) != 0)) {
- pci_pool_free(phba->lpfc_sg_dma_buf_pool,
+ dma_pool_free(phba->lpfc_sg_dma_buf_pool,
psb->data, psb->dma_handle);
kfree(psb);
break;
@@ -848,7 +848,7 @@ lpfc_new_scsi_buf_s4(struct lpfc_vport *vport, int num_to_alloc)
lxri = lpfc_sli4_next_xritag(phba);
if (lxri == NO_XRI) {
- pci_pool_free(phba->lpfc_sg_dma_buf_pool,
+ dma_pool_free(phba->lpfc_sg_dma_buf_pool,
psb->data, psb->dma_handle);
kfree(psb);
break;
@@ -857,7 +857,7 @@ lpfc_new_scsi_buf_s4(struct lpfc_vport *vport, int num_to_alloc)
/* Allocate iotag for psb->cur_iocbq. */
iotag = lpfc_sli_next_iotag(phba, &psb->cur_iocbq);
if (iotag == 0) {
- pci_pool_free(phba->lpfc_sg_dma_buf_pool,
+ dma_pool_free(phba->lpfc_sg_dma_buf_pool,
psb->data, psb->dma_handle);
kfree(psb);
lpfc_printf_log(phba, KERN_ERR, LOG_FCP,
diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c
index e948ea05fd33..8b119f87b51d 100644
--- a/drivers/scsi/lpfc/lpfc_sli.c
+++ b/drivers/scsi/lpfc/lpfc_sli.c
@@ -80,8 +80,8 @@ static int lpfc_sli4_fp_handle_cqe(struct lpfc_hba *, struct lpfc_queue *,
struct lpfc_cqe *);
static int lpfc_sli4_post_sgl_list(struct lpfc_hba *, struct list_head *,
int);
-static void lpfc_sli4_hba_handle_eqe(struct lpfc_hba *, struct lpfc_eqe *,
- uint32_t);
+static int lpfc_sli4_hba_handle_eqe(struct lpfc_hba *phba,
+ struct lpfc_eqe *eqe, uint32_t qidx);
static bool lpfc_sli4_mbox_completions_pending(struct lpfc_hba *phba);
static bool lpfc_sli4_process_missed_mbox_completions(struct lpfc_hba *phba);
static int lpfc_sli4_abort_nvme_io(struct lpfc_hba *phba,
@@ -106,7 +106,7 @@ lpfc_get_iocb_from_iocbq(struct lpfc_iocbq *iocbq)
* -ENOMEM.
* The caller is expected to hold the hbalock when calling this routine.
**/
-static uint32_t
+static int
lpfc_sli4_wq_put(struct lpfc_queue *q, union lpfc_wqe *wqe)
{
union lpfc_wqe *temp_wqe;
@@ -123,7 +123,7 @@ lpfc_sli4_wq_put(struct lpfc_queue *q, union lpfc_wqe *wqe)
idx = ((q->host_index + 1) % q->entry_count);
if (idx == q->hba_index) {
q->WQ_overflow++;
- return -ENOMEM;
+ return -EBUSY;
}
q->WQ_posted++;
/* set consumption flag every once in a while */
@@ -10741,7 +10741,7 @@ lpfc_sli4_abort_nvme_io(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
abtsiocbp->vport = vport;
abtsiocbp->wqe_cmpl = lpfc_nvme_abort_fcreq_cmpl;
retval = lpfc_sli4_issue_wqe(phba, LPFC_FCP_RING, abtsiocbp);
- if (retval == IOCB_ERROR) {
+ if (retval) {
lpfc_printf_vlog(vport, KERN_ERR, LOG_NVME,
"6147 Failed abts issue_wqe with status x%x "
"for oxid x%x\n",
@@ -13010,7 +13010,7 @@ lpfc_sli4_sp_handle_cqe(struct lpfc_hba *phba, struct lpfc_queue *cq,
* completion queue, and then return.
*
**/
-static void
+static int
lpfc_sli4_sp_handle_eqe(struct lpfc_hba *phba, struct lpfc_eqe *eqe,
struct lpfc_queue *speq)
{
@@ -13034,7 +13034,7 @@ lpfc_sli4_sp_handle_eqe(struct lpfc_hba *phba, struct lpfc_eqe *eqe,
lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
"0365 Slow-path CQ identifier "
"(%d) does not exist\n", cqid);
- return;
+ return 0;
}
/* Save EQ associated with this CQ */
@@ -13071,7 +13071,7 @@ lpfc_sli4_sp_handle_eqe(struct lpfc_hba *phba, struct lpfc_eqe *eqe,
lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
"0370 Invalid completion queue type (%d)\n",
cq->type);
- return;
+ return 0;
}
/* Catch the no cq entry condition, log an error */
@@ -13086,6 +13086,8 @@ lpfc_sli4_sp_handle_eqe(struct lpfc_hba *phba, struct lpfc_eqe *eqe,
/* wake up worker thread if there are works to be done */
if (workposted)
lpfc_worker_wake_up(phba);
+
+ return ecount;
}
/**
@@ -13289,7 +13291,7 @@ lpfc_sli4_nvmet_handle_rcqe(struct lpfc_hba *phba, struct lpfc_queue *cq,
if (fc_hdr->fh_type == FC_TYPE_FCP) {
dma_buf->bytes_recv = bf_get(lpfc_rcqe_length, rcqe);
lpfc_nvmet_unsol_fcp_event(
- phba, phba->sli4_hba.els_wq->pring, dma_buf,
+ phba, idx, dma_buf,
cq->assoc_qp->isr_timestamp);
return false;
}
@@ -13393,7 +13395,7 @@ lpfc_sli4_fp_handle_cqe(struct lpfc_hba *phba, struct lpfc_queue *cq,
* queue and process all the entries on the completion queue, rearm the
* completion queue, and then return.
**/
-static void
+static int
lpfc_sli4_hba_handle_eqe(struct lpfc_hba *phba, struct lpfc_eqe *eqe,
uint32_t qidx)
{
@@ -13409,7 +13411,7 @@ lpfc_sli4_hba_handle_eqe(struct lpfc_hba *phba, struct lpfc_eqe *eqe,
"event: majorcode=x%x, minorcode=x%x\n",
bf_get_le32(lpfc_eqe_major_code, eqe),
bf_get_le32(lpfc_eqe_minor_code, eqe));
- return;
+ return 0;
}
/* Get the reference to the corresponding CQ */
@@ -13446,8 +13448,9 @@ lpfc_sli4_hba_handle_eqe(struct lpfc_hba *phba, struct lpfc_eqe *eqe,
/* Otherwise this is a Slow path event */
if (cq == NULL) {
- lpfc_sli4_sp_handle_eqe(phba, eqe, phba->sli4_hba.hba_eq[qidx]);
- return;
+ ecount = lpfc_sli4_sp_handle_eqe(phba, eqe,
+ phba->sli4_hba.hba_eq[qidx]);
+ return ecount;
}
process_cq:
@@ -13456,7 +13459,7 @@ process_cq:
"0368 Miss-matched fast-path completion "
"queue identifier: eqcqid=%d, fcpcqid=%d\n",
cqid, cq->queue_id);
- return;
+ return 0;
}
/* Save EQ associated with this CQ */
@@ -13486,6 +13489,8 @@ process_cq:
/* wake up worker thread if there are works to be done */
if (workposted)
lpfc_worker_wake_up(phba);
+
+ return ecount;
}
static void
@@ -13706,6 +13711,7 @@ lpfc_sli4_hba_intr_handler(int irq, void *dev_id)
struct lpfc_eqe *eqe;
unsigned long iflag;
int ecount = 0;
+ int ccount = 0;
int hba_eqidx;
/* Get the driver's phba structure from the dev_id */
@@ -13757,8 +13763,9 @@ lpfc_sli4_hba_intr_handler(int irq, void *dev_id)
if (eqe == NULL)
break;
- lpfc_sli4_hba_handle_eqe(phba, eqe, hba_eqidx);
- if (!(++ecount % fpeq->entry_repost))
+ ccount += lpfc_sli4_hba_handle_eqe(phba, eqe, hba_eqidx);
+ if (!(++ecount % fpeq->entry_repost) ||
+ ccount > LPFC_MAX_ISR_CQE)
break;
fpeq->EQ_processed++;
}
@@ -17051,7 +17058,7 @@ lpfc_sli4_mds_loopback_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
struct lpfc_dmabuf *pcmd = cmdiocb->context2;
if (pcmd && pcmd->virt)
- pci_pool_free(phba->lpfc_drb_pool, pcmd->virt, pcmd->phys);
+ dma_pool_free(phba->lpfc_drb_pool, pcmd->virt, pcmd->phys);
kfree(pcmd);
lpfc_sli_release_iocbq(phba, cmdiocb);
}
@@ -17079,7 +17086,7 @@ lpfc_sli4_handle_mds_loopback(struct lpfc_vport *vport,
/* Allocate buffer for command payload */
pcmd = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
if (pcmd)
- pcmd->virt = pci_pool_alloc(phba->lpfc_drb_pool, GFP_KERNEL,
+ pcmd->virt = dma_pool_alloc(phba->lpfc_drb_pool, GFP_KERNEL,
&pcmd->phys);
if (!pcmd || !pcmd->virt)
goto exit;
@@ -17128,7 +17135,7 @@ exit:
lpfc_printf_log(phba, KERN_WARNING, LOG_SLI,
"2023 Unable to process MDS loopback frame\n");
if (pcmd && pcmd->virt)
- pci_pool_free(phba->lpfc_drb_pool, pcmd->virt, pcmd->phys);
+ dma_pool_free(phba->lpfc_drb_pool, pcmd->virt, pcmd->phys);
kfree(pcmd);
lpfc_sli_release_iocbq(phba, iocbq);
lpfc_in_buf_free(phba, &dmabuf->dbuf);
@@ -18888,6 +18895,7 @@ lpfc_sli4_issue_wqe(struct lpfc_hba *phba, uint32_t ring_number,
struct lpfc_sglq *sglq;
struct lpfc_sli_ring *pring;
unsigned long iflags;
+ uint32_t ret = 0;
/* NVME_LS and NVME_LS ABTS requests. */
if (pwqe->iocb_flag & LPFC_IO_NVME_LS) {
@@ -18906,10 +18914,12 @@ lpfc_sli4_issue_wqe(struct lpfc_hba *phba, uint32_t ring_number,
}
bf_set(wqe_xri_tag, &pwqe->wqe.xmit_bls_rsp.wqe_com,
pwqe->sli4_xritag);
- if (lpfc_sli4_wq_put(phba->sli4_hba.nvmels_wq, wqe)) {
+ ret = lpfc_sli4_wq_put(phba->sli4_hba.nvmels_wq, wqe);
+ if (ret) {
spin_unlock_irqrestore(&pring->ring_lock, iflags);
- return WQE_ERROR;
+ return ret;
}
+
lpfc_sli_ringtxcmpl_put(phba, pring, pwqe);
spin_unlock_irqrestore(&pring->ring_lock, iflags);
return 0;
@@ -18924,9 +18934,10 @@ lpfc_sli4_issue_wqe(struct lpfc_hba *phba, uint32_t ring_number,
wq = phba->sli4_hba.nvme_wq[pwqe->hba_wqidx];
bf_set(wqe_cqid, &wqe->generic.wqe_com,
phba->sli4_hba.nvme_cq[pwqe->hba_wqidx]->queue_id);
- if (lpfc_sli4_wq_put(wq, wqe)) {
+ ret = lpfc_sli4_wq_put(wq, wqe);
+ if (ret) {
spin_unlock_irqrestore(&pring->ring_lock, iflags);
- return WQE_ERROR;
+ return ret;
}
lpfc_sli_ringtxcmpl_put(phba, pring, pwqe);
spin_unlock_irqrestore(&pring->ring_lock, iflags);
@@ -18950,9 +18961,10 @@ lpfc_sli4_issue_wqe(struct lpfc_hba *phba, uint32_t ring_number,
wq = phba->sli4_hba.nvme_wq[pwqe->hba_wqidx];
bf_set(wqe_cqid, &wqe->generic.wqe_com,
phba->sli4_hba.nvme_cq[pwqe->hba_wqidx]->queue_id);
- if (lpfc_sli4_wq_put(wq, wqe)) {
+ ret = lpfc_sli4_wq_put(wq, wqe);
+ if (ret) {
spin_unlock_irqrestore(&pring->ring_lock, iflags);
- return WQE_ERROR;
+ return ret;
}
lpfc_sli_ringtxcmpl_put(phba, pring, pwqe);
spin_unlock_irqrestore(&pring->ring_lock, iflags);
diff --git a/drivers/scsi/lpfc/lpfc_sli4.h b/drivers/scsi/lpfc/lpfc_sli4.h
index 7a1d74e9e877..60200385fe00 100644
--- a/drivers/scsi/lpfc/lpfc_sli4.h
+++ b/drivers/scsi/lpfc/lpfc_sli4.h
@@ -158,6 +158,7 @@ struct lpfc_queue {
#define LPFC_MQ_REPOST 8
#define LPFC_CQ_REPOST 64
#define LPFC_RQ_REPOST 64
+#define LPFC_MAX_ISR_CQE 64
#define LPFC_RELEASE_NOTIFICATION_INTERVAL 32 /* For WQs */
uint32_t queue_id; /* Queue ID assigned by the hardware */
uint32_t assoc_qid; /* Queue ID associated with, for CQ/WQ/MQ */
@@ -419,6 +420,20 @@ struct lpfc_hba_eq_hdl {
#define LPFC_MULTI_CPU_AFFINITY 0xffffffff
};
+/*BB Credit recovery value*/
+struct lpfc_bbscn_params {
+ uint32_t word0;
+#define lpfc_bbscn_min_SHIFT 0
+#define lpfc_bbscn_min_MASK 0x0000000F
+#define lpfc_bbscn_min_WORD word0
+#define lpfc_bbscn_max_SHIFT 4
+#define lpfc_bbscn_max_MASK 0x0000000F
+#define lpfc_bbscn_max_WORD word0
+#define lpfc_bbscn_def_SHIFT 8
+#define lpfc_bbscn_def_MASK 0x0000000F
+#define lpfc_bbscn_def_WORD word0
+};
+
/* Port Capabilities for SLI4 Parameters */
struct lpfc_pc_sli4_params {
uint32_t supported;
@@ -550,6 +565,7 @@ struct lpfc_sli4_hba {
uint32_t ue_to_rp;
struct lpfc_register sli_intf;
struct lpfc_pc_sli4_params pc_sli4_params;
+ struct lpfc_bbscn_params bbscn_params;
struct lpfc_hba_eq_hdl *hba_eq_hdl; /* HBA per-WQ handle */
/* Pointers to the constructed SLI4 queues */
@@ -621,8 +637,6 @@ struct lpfc_sli4_hba {
uint16_t scsi_xri_start;
uint16_t els_xri_cnt;
uint16_t nvmet_xri_cnt;
- uint16_t nvmet_ctx_get_cnt;
- uint16_t nvmet_ctx_put_cnt;
uint16_t nvmet_io_wait_cnt;
uint16_t nvmet_io_wait_total;
struct list_head lpfc_els_sgl_list;
@@ -631,9 +645,8 @@ struct lpfc_sli4_hba {
struct list_head lpfc_abts_nvmet_ctx_list;
struct list_head lpfc_abts_scsi_buf_list;
struct list_head lpfc_abts_nvme_buf_list;
- struct list_head lpfc_nvmet_ctx_get_list;
- struct list_head lpfc_nvmet_ctx_put_list;
struct list_head lpfc_nvmet_io_wait_list;
+ struct lpfc_nvmet_ctx_info *nvmet_ctx_info;
struct lpfc_sglq **lpfc_sglq_active_list;
struct list_head lpfc_rpi_hdr_list;
unsigned long *rpi_bmask;
@@ -664,8 +677,6 @@ struct lpfc_sli4_hba {
spinlock_t abts_nvme_buf_list_lock; /* list of aborted SCSI IOs */
spinlock_t abts_scsi_buf_list_lock; /* list of aborted SCSI IOs */
spinlock_t sgl_list_lock; /* list of aborted els IOs */
- spinlock_t nvmet_ctx_get_lock; /* list of avail XRI contexts */
- spinlock_t nvmet_ctx_put_lock; /* list of avail XRI contexts */
spinlock_t nvmet_io_wait_lock; /* IOs waiting for ctx resources */
uint32_t physical_port;
diff --git a/drivers/scsi/lpfc/lpfc_version.h b/drivers/scsi/lpfc/lpfc_version.h
index c6a24c3e2d5e..6aa192b3e4bf 100644
--- a/drivers/scsi/lpfc/lpfc_version.h
+++ b/drivers/scsi/lpfc/lpfc_version.h
@@ -20,7 +20,7 @@
* included with this package. *
*******************************************************************/
-#define LPFC_DRIVER_VERSION "11.4.0.1"
+#define LPFC_DRIVER_VERSION "11.4.0.3"
#define LPFC_DRIVER_NAME "lpfc"
/* Used for SLI 2/3 */
diff --git a/drivers/scsi/mac53c94.c b/drivers/scsi/mac53c94.c
index a6682c508c4c..8c4d3003b68b 100644
--- a/drivers/scsi/mac53c94.c
+++ b/drivers/scsi/mac53c94.c
@@ -448,15 +448,14 @@ static int mac53c94_probe(struct macio_dev *mdev, const struct of_device_id *mat
ioremap(macio_resource_start(mdev, 1), 0x1000);
state->dmaintr = macio_irq(mdev, 1);
if (state->regs == NULL || state->dma == NULL) {
- printk(KERN_ERR "mac53c94: ioremap failed for %s\n",
- node->full_name);
+ printk(KERN_ERR "mac53c94: ioremap failed for %pOF\n", node);
goto out_free;
}
clkprop = of_get_property(node, "clock-frequency", &proplen);
if (clkprop == NULL || proplen != sizeof(int)) {
- printk(KERN_ERR "%s: can't get clock frequency, "
- "assuming 25MHz\n", node->full_name);
+ printk(KERN_ERR "%pOF: can't get clock frequency, "
+ "assuming 25MHz\n", node);
state->clk_freq = 25000000;
} else
state->clk_freq = *(int *)clkprop;
@@ -469,7 +468,7 @@ static int mac53c94_probe(struct macio_dev *mdev, const struct of_device_id *mat
sizeof(struct dbdma_cmd), GFP_KERNEL);
if (dma_cmd_space == 0) {
printk(KERN_ERR "mac53c94: couldn't allocate dma "
- "command space for %s\n", node->full_name);
+ "command space for %pOF\n", node);
rc = -ENOMEM;
goto out_free;
}
@@ -481,8 +480,8 @@ static int mac53c94_probe(struct macio_dev *mdev, const struct of_device_id *mat
mac53c94_init(state);
if (request_irq(state->intr, do_mac53c94_interrupt, 0, "53C94",state)) {
- printk(KERN_ERR "mac53C94: can't get irq %d for %s\n",
- state->intr, node->full_name);
+ printk(KERN_ERR "mac53C94: can't get irq %d for %pOF\n",
+ state->intr, node);
goto out_free_dma;
}
diff --git a/drivers/scsi/mac_esp.c b/drivers/scsi/mac_esp.c
index cdb61eaa2d1f..eb551f3cc471 100644
--- a/drivers/scsi/mac_esp.c
+++ b/drivers/scsi/mac_esp.c
@@ -348,26 +348,24 @@ static void mac_esp_send_pio_cmd(struct esp *esp, u32 addr, u32 esp_count,
u32 dma_count, int write, u8 cmd)
{
struct mac_esp_priv *mep = MAC_ESP_GET_PRIV(esp);
- u8 *fifo = esp->regs + ESP_FDATA * 16;
+ u8 __iomem *fifo = esp->regs + ESP_FDATA * 16;
+ u8 phase = esp->sreg & ESP_STAT_PMASK;
cmd &= ~ESP_CMD_DMA;
mep->error = 0;
if (write) {
+ u8 *dst = (u8 *)addr;
+ u8 mask = ~(phase == ESP_MIP ? ESP_INTR_FDONE : ESP_INTR_BSERV);
+
scsi_esp_cmd(esp, cmd);
while (1) {
- unsigned int n;
-
- n = mac_esp_wait_for_fifo(esp);
- if (!n)
+ if (!mac_esp_wait_for_fifo(esp))
break;
- if (n > esp_count)
- n = esp_count;
- esp_count -= n;
-
- MAC_ESP_PIO_LOOP("%2@,%0@+", n);
+ *dst++ = esp_read8(ESP_FDATA);
+ --esp_count;
if (!esp_count)
break;
@@ -375,14 +373,17 @@ static void mac_esp_send_pio_cmd(struct esp *esp, u32 addr, u32 esp_count,
if (mac_esp_wait_for_intr(esp))
break;
- if (((esp->sreg & ESP_STAT_PMASK) != ESP_DIP) &&
- ((esp->sreg & ESP_STAT_PMASK) != ESP_MIP))
+ if ((esp->sreg & ESP_STAT_PMASK) != phase)
break;
esp->ireg = esp_read8(ESP_INTRPT);
- if ((esp->ireg & (ESP_INTR_DC | ESP_INTR_BSERV)) !=
- ESP_INTR_BSERV)
+ if (esp->ireg & mask) {
+ mep->error = 1;
break;
+ }
+
+ if (phase == ESP_MIP)
+ scsi_esp_cmd(esp, ESP_CMD_MOK);
scsi_esp_cmd(esp, ESP_CMD_TI);
}
@@ -402,14 +403,14 @@ static void mac_esp_send_pio_cmd(struct esp *esp, u32 addr, u32 esp_count,
if (mac_esp_wait_for_intr(esp))
break;
- if (((esp->sreg & ESP_STAT_PMASK) != ESP_DOP) &&
- ((esp->sreg & ESP_STAT_PMASK) != ESP_MOP))
+ if ((esp->sreg & ESP_STAT_PMASK) != phase)
break;
esp->ireg = esp_read8(ESP_INTRPT);
- if ((esp->ireg & (ESP_INTR_DC | ESP_INTR_BSERV)) !=
- ESP_INTR_BSERV)
+ if (esp->ireg & ~ESP_INTR_BSERV) {
+ mep->error = 1;
break;
+ }
n = MAC_ESP_FIFO_SIZE -
(esp_read8(ESP_FFLAGS) & ESP_FF_FBYTES);
diff --git a/drivers/scsi/mac_scsi.c b/drivers/scsi/mac_scsi.c
index 196acc79714b..dd6057359d7c 100644
--- a/drivers/scsi/mac_scsi.c
+++ b/drivers/scsi/mac_scsi.c
@@ -41,7 +41,7 @@
#define NCR5380_intr macscsi_intr
#define NCR5380_queue_command macscsi_queue_command
#define NCR5380_abort macscsi_abort
-#define NCR5380_bus_reset macscsi_bus_reset
+#define NCR5380_host_reset macscsi_host_reset
#define NCR5380_info macscsi_info
#include "NCR5380.h"
@@ -328,7 +328,7 @@ static struct scsi_host_template mac_scsi_template = {
.info = macscsi_info,
.queuecommand = macscsi_queue_command,
.eh_abort_handler = macscsi_abort,
- .eh_bus_reset_handler = macscsi_bus_reset,
+ .eh_host_reset_handler = macscsi_host_reset,
.can_queue = 16,
.this_id = 7,
.sg_tablesize = 1,
diff --git a/drivers/scsi/megaraid.c b/drivers/scsi/megaraid.c
index 3c63c292cb92..7195cff51d4c 100644
--- a/drivers/scsi/megaraid.c
+++ b/drivers/scsi/megaraid.c
@@ -311,13 +311,15 @@ mega_query_adapter(adapter_t *adapter)
right 8 bits making them zero. This 0 value was hardcoded to fix
sparse warnings. */
if (adapter->product_info.subsysvid == PCI_VENDOR_ID_HP) {
- sprintf (adapter->fw_version, "%c%d%d.%d%d",
+ snprintf(adapter->fw_version, sizeof(adapter->fw_version),
+ "%c%d%d.%d%d",
adapter->product_info.fw_version[2],
0,
adapter->product_info.fw_version[1] & 0x0f,
0,
adapter->product_info.fw_version[0] & 0x0f);
- sprintf (adapter->bios_version, "%c%d%d.%d%d",
+ snprintf(adapter->bios_version, sizeof(adapter->fw_version),
+ "%c%d%d.%d%d",
adapter->product_info.bios_version[2],
0,
adapter->product_info.bios_version[1] & 0x0f,
diff --git a/drivers/scsi/megaraid/megaraid_mbox.c b/drivers/scsi/megaraid/megaraid_mbox.c
index f0987f22ea70..ec3c43854978 100644
--- a/drivers/scsi/megaraid/megaraid_mbox.c
+++ b/drivers/scsi/megaraid/megaraid_mbox.c
@@ -341,8 +341,6 @@ static struct scsi_host_template megaraid_template_g = {
.proc_name = "megaraid",
.queuecommand = megaraid_queue_command,
.eh_abort_handler = megaraid_abort_handler,
- .eh_device_reset_handler = megaraid_reset_handler,
- .eh_bus_reset_handler = megaraid_reset_handler,
.eh_host_reset_handler = megaraid_reset_handler,
.change_queue_depth = scsi_change_queue_depth,
.use_clustering = ENABLE_CLUSTERING,
@@ -1153,8 +1151,8 @@ megaraid_mbox_setup_dma_pools(adapter_t *adapter)
// Allocate memory for 16-bytes aligned mailboxes
- raid_dev->mbox_pool_handle = pci_pool_create("megaraid mbox pool",
- adapter->pdev,
+ raid_dev->mbox_pool_handle = dma_pool_create("megaraid mbox pool",
+ &adapter->pdev->dev,
sizeof(mbox64_t) + 16,
16, 0);
@@ -1164,7 +1162,7 @@ megaraid_mbox_setup_dma_pools(adapter_t *adapter)
mbox_pci_blk = raid_dev->mbox_pool;
for (i = 0; i < MBOX_MAX_SCSI_CMDS; i++) {
- mbox_pci_blk[i].vaddr = pci_pool_alloc(
+ mbox_pci_blk[i].vaddr = dma_pool_alloc(
raid_dev->mbox_pool_handle,
GFP_KERNEL,
&mbox_pci_blk[i].dma_addr);
@@ -1181,8 +1179,8 @@ megaraid_mbox_setup_dma_pools(adapter_t *adapter)
* share common memory pool. Passthru structures piggyback on memory
* allocted to extended passthru since passthru is smaller of the two
*/
- raid_dev->epthru_pool_handle = pci_pool_create("megaraid mbox pthru",
- adapter->pdev, sizeof(mraid_epassthru_t), 128, 0);
+ raid_dev->epthru_pool_handle = dma_pool_create("megaraid mbox pthru",
+ &adapter->pdev->dev, sizeof(mraid_epassthru_t), 128, 0);
if (raid_dev->epthru_pool_handle == NULL) {
goto fail_setup_dma_pool;
@@ -1190,7 +1188,7 @@ megaraid_mbox_setup_dma_pools(adapter_t *adapter)
epthru_pci_blk = raid_dev->epthru_pool;
for (i = 0; i < MBOX_MAX_SCSI_CMDS; i++) {
- epthru_pci_blk[i].vaddr = pci_pool_alloc(
+ epthru_pci_blk[i].vaddr = dma_pool_alloc(
raid_dev->epthru_pool_handle,
GFP_KERNEL,
&epthru_pci_blk[i].dma_addr);
@@ -1202,8 +1200,8 @@ megaraid_mbox_setup_dma_pools(adapter_t *adapter)
// Allocate memory for each scatter-gather list. Request for 512 bytes
// alignment for each sg list
- raid_dev->sg_pool_handle = pci_pool_create("megaraid mbox sg",
- adapter->pdev,
+ raid_dev->sg_pool_handle = dma_pool_create("megaraid mbox sg",
+ &adapter->pdev->dev,
sizeof(mbox_sgl64) * MBOX_MAX_SG_SIZE,
512, 0);
@@ -1213,7 +1211,7 @@ megaraid_mbox_setup_dma_pools(adapter_t *adapter)
sg_pci_blk = raid_dev->sg_pool;
for (i = 0; i < MBOX_MAX_SCSI_CMDS; i++) {
- sg_pci_blk[i].vaddr = pci_pool_alloc(
+ sg_pci_blk[i].vaddr = dma_pool_alloc(
raid_dev->sg_pool_handle,
GFP_KERNEL,
&sg_pci_blk[i].dma_addr);
@@ -1249,29 +1247,29 @@ megaraid_mbox_teardown_dma_pools(adapter_t *adapter)
sg_pci_blk = raid_dev->sg_pool;
for (i = 0; i < MBOX_MAX_SCSI_CMDS && sg_pci_blk[i].vaddr; i++) {
- pci_pool_free(raid_dev->sg_pool_handle, sg_pci_blk[i].vaddr,
+ dma_pool_free(raid_dev->sg_pool_handle, sg_pci_blk[i].vaddr,
sg_pci_blk[i].dma_addr);
}
if (raid_dev->sg_pool_handle)
- pci_pool_destroy(raid_dev->sg_pool_handle);
+ dma_pool_destroy(raid_dev->sg_pool_handle);
epthru_pci_blk = raid_dev->epthru_pool;
for (i = 0; i < MBOX_MAX_SCSI_CMDS && epthru_pci_blk[i].vaddr; i++) {
- pci_pool_free(raid_dev->epthru_pool_handle,
+ dma_pool_free(raid_dev->epthru_pool_handle,
epthru_pci_blk[i].vaddr, epthru_pci_blk[i].dma_addr);
}
if (raid_dev->epthru_pool_handle)
- pci_pool_destroy(raid_dev->epthru_pool_handle);
+ dma_pool_destroy(raid_dev->epthru_pool_handle);
mbox_pci_blk = raid_dev->mbox_pool;
for (i = 0; i < MBOX_MAX_SCSI_CMDS && mbox_pci_blk[i].vaddr; i++) {
- pci_pool_free(raid_dev->mbox_pool_handle,
+ dma_pool_free(raid_dev->mbox_pool_handle,
mbox_pci_blk[i].vaddr, mbox_pci_blk[i].dma_addr);
}
if (raid_dev->mbox_pool_handle)
- pci_pool_destroy(raid_dev->mbox_pool_handle);
+ dma_pool_destroy(raid_dev->mbox_pool_handle);
return;
}
diff --git a/drivers/scsi/megaraid/megaraid_mm.c b/drivers/scsi/megaraid/megaraid_mm.c
index 544d6f7e6138..65b6f6ace3a5 100644
--- a/drivers/scsi/megaraid/megaraid_mm.c
+++ b/drivers/scsi/megaraid/megaraid_mm.c
@@ -574,7 +574,7 @@ mraid_mm_attach_buf(mraid_mmadp_t *adp, uioc_t *kioc, int xferlen)
kioc->pool_index = right_pool;
kioc->free_buf = 1;
- kioc->buf_vaddr = pci_pool_alloc(pool->handle, GFP_ATOMIC,
+ kioc->buf_vaddr = dma_pool_alloc(pool->handle, GFP_ATOMIC,
&kioc->buf_paddr);
spin_unlock_irqrestore(&pool->lock, flags);
@@ -658,7 +658,7 @@ mraid_mm_dealloc_kioc(mraid_mmadp_t *adp, uioc_t *kioc)
* not in use
*/
if (kioc->free_buf == 1)
- pci_pool_free(pool->handle, kioc->buf_vaddr,
+ dma_pool_free(pool->handle, kioc->buf_vaddr,
kioc->buf_paddr);
else
pool->in_use = 0;
@@ -940,8 +940,8 @@ mraid_mm_register_adp(mraid_mmadp_t *lld_adp)
GFP_KERNEL);
adapter->mbox_list = kmalloc(sizeof(mbox64_t) * lld_adp->max_kioc,
GFP_KERNEL);
- adapter->pthru_dma_pool = pci_pool_create("megaraid mm pthru pool",
- adapter->pdev,
+ adapter->pthru_dma_pool = dma_pool_create("megaraid mm pthru pool",
+ &adapter->pdev->dev,
sizeof(mraid_passthru_t),
16, 0);
@@ -970,7 +970,7 @@ mraid_mm_register_adp(mraid_mmadp_t *lld_adp)
kioc = adapter->kioc_list + i;
kioc->cmdbuf = (uint64_t)(unsigned long)(mbox_list + i);
- kioc->pthru32 = pci_pool_alloc(adapter->pthru_dma_pool,
+ kioc->pthru32 = dma_pool_alloc(adapter->pthru_dma_pool,
GFP_KERNEL, &kioc->pthru32_h);
if (!kioc->pthru32) {
@@ -1006,7 +1006,7 @@ pthru_dma_pool_error:
for (i = 0; i < lld_adp->max_kioc; i++) {
kioc = adapter->kioc_list + i;
if (kioc->pthru32) {
- pci_pool_free(adapter->pthru_dma_pool, kioc->pthru32,
+ dma_pool_free(adapter->pthru_dma_pool, kioc->pthru32,
kioc->pthru32_h);
}
}
@@ -1017,7 +1017,7 @@ memalloc_error:
kfree(adapter->mbox_list);
if (adapter->pthru_dma_pool)
- pci_pool_destroy(adapter->pthru_dma_pool);
+ dma_pool_destroy(adapter->pthru_dma_pool);
kfree(adapter);
@@ -1086,14 +1086,15 @@ mraid_mm_setup_dma_pools(mraid_mmadp_t *adp)
pool->buf_size = bufsize;
spin_lock_init(&pool->lock);
- pool->handle = pci_pool_create("megaraid mm data buffer",
- adp->pdev, bufsize, 16, 0);
+ pool->handle = dma_pool_create("megaraid mm data buffer",
+ &adp->pdev->dev, bufsize,
+ 16, 0);
if (!pool->handle) {
goto dma_pool_setup_error;
}
- pool->vaddr = pci_pool_alloc(pool->handle, GFP_KERNEL,
+ pool->vaddr = dma_pool_alloc(pool->handle, GFP_KERNEL,
&pool->paddr);
if (!pool->vaddr)
@@ -1163,14 +1164,14 @@ mraid_mm_free_adp_resources(mraid_mmadp_t *adp)
kioc = adp->kioc_list + i;
- pci_pool_free(adp->pthru_dma_pool, kioc->pthru32,
+ dma_pool_free(adp->pthru_dma_pool, kioc->pthru32,
kioc->pthru32_h);
}
kfree(adp->kioc_list);
kfree(adp->mbox_list);
- pci_pool_destroy(adp->pthru_dma_pool);
+ dma_pool_destroy(adp->pthru_dma_pool);
return;
@@ -1194,10 +1195,10 @@ mraid_mm_teardown_dma_pools(mraid_mmadp_t *adp)
if (pool->handle) {
if (pool->vaddr)
- pci_pool_free(pool->handle, pool->vaddr,
+ dma_pool_free(pool->handle, pool->vaddr,
pool->paddr);
- pci_pool_destroy(pool->handle);
+ dma_pool_destroy(pool->handle);
pool->handle = NULL;
}
}
diff --git a/drivers/scsi/megaraid/megaraid_sas.h b/drivers/scsi/megaraid/megaraid_sas.h
index 2b209bbb4c91..a6722c93a295 100644
--- a/drivers/scsi/megaraid/megaraid_sas.h
+++ b/drivers/scsi/megaraid/megaraid_sas.h
@@ -35,8 +35,8 @@
/*
* MegaRAID SAS Driver meta data
*/
-#define MEGASAS_VERSION "07.701.17.00-rc1"
-#define MEGASAS_RELDATE "March 2, 2017"
+#define MEGASAS_VERSION "07.702.06.00-rc1"
+#define MEGASAS_RELDATE "June 21, 2017"
/*
* Device IDs
@@ -2115,7 +2115,6 @@ struct megasas_instance {
u32 *crash_dump_buf;
dma_addr_t crash_dump_h;
void *crash_buf[MAX_CRASH_DUMP_SIZE];
- u32 crash_buf_pages;
unsigned int fw_crash_buffer_size;
unsigned int fw_crash_state;
unsigned int fw_crash_buffer_offset;
diff --git a/drivers/scsi/megaraid/megaraid_sas_base.c b/drivers/scsi/megaraid/megaraid_sas_base.c
index 71c4746341ea..e518dadc8161 100644
--- a/drivers/scsi/megaraid/megaraid_sas_base.c
+++ b/drivers/scsi/megaraid/megaraid_sas_base.c
@@ -49,6 +49,7 @@
#include <linux/blkdev.h>
#include <linux/mutex.h>
#include <linux/poll.h>
+#include <linux/vmalloc.h>
#include <scsi/scsi.h>
#include <scsi/scsi_cmnd.h>
@@ -1995,9 +1996,12 @@ static void megasas_complete_outstanding_ioctls(struct megasas_instance *instanc
if (cmd_fusion->sync_cmd_idx != (u32)ULONG_MAX) {
cmd_mfi = instance->cmd_list[cmd_fusion->sync_cmd_idx];
if (cmd_mfi->sync_cmd &&
- cmd_mfi->frame->hdr.cmd != MFI_CMD_ABORT)
+ (cmd_mfi->frame->hdr.cmd != MFI_CMD_ABORT)) {
+ cmd_mfi->frame->hdr.cmd_status =
+ MFI_STAT_WRONG_STATE;
megasas_complete_cmd(instance,
cmd_mfi, DID_OK);
+ }
}
}
} else {
@@ -2791,7 +2795,7 @@ static int megasas_reset_bus_host(struct scsi_cmnd *scmd)
cmd = (struct megasas_cmd_fusion *)scmd->SCp.ptr;
if (cmd)
megasas_dump_frame(cmd->io_request,
- sizeof(struct MPI2_RAID_SCSI_IO_REQUEST));
+ MEGA_MPI2_RAID_DEFAULT_IO_FRAME_SIZE);
ret = megasas_reset_fusion(scmd->device->host,
SCSIIO_TIMEOUT_OCR);
} else
@@ -3862,19 +3866,19 @@ static void megasas_teardown_frame_pool(struct megasas_instance *instance)
cmd = instance->cmd_list[i];
if (cmd->frame)
- pci_pool_free(instance->frame_dma_pool, cmd->frame,
+ dma_pool_free(instance->frame_dma_pool, cmd->frame,
cmd->frame_phys_addr);
if (cmd->sense)
- pci_pool_free(instance->sense_dma_pool, cmd->sense,
+ dma_pool_free(instance->sense_dma_pool, cmd->sense,
cmd->sense_phys_addr);
}
/*
* Now destroy the pool itself
*/
- pci_pool_destroy(instance->frame_dma_pool);
- pci_pool_destroy(instance->sense_dma_pool);
+ dma_pool_destroy(instance->frame_dma_pool);
+ dma_pool_destroy(instance->sense_dma_pool);
instance->frame_dma_pool = NULL;
instance->sense_dma_pool = NULL;
@@ -3925,22 +3929,23 @@ static int megasas_create_frame_pool(struct megasas_instance *instance)
/*
* Use DMA pool facility provided by PCI layer
*/
- instance->frame_dma_pool = pci_pool_create("megasas frame pool",
- instance->pdev, instance->mfi_frame_size,
- 256, 0);
+ instance->frame_dma_pool = dma_pool_create("megasas frame pool",
+ &instance->pdev->dev,
+ instance->mfi_frame_size, 256, 0);
if (!instance->frame_dma_pool) {
dev_printk(KERN_DEBUG, &instance->pdev->dev, "failed to setup frame pool\n");
return -ENOMEM;
}
- instance->sense_dma_pool = pci_pool_create("megasas sense pool",
- instance->pdev, 128, 4, 0);
+ instance->sense_dma_pool = dma_pool_create("megasas sense pool",
+ &instance->pdev->dev, 128,
+ 4, 0);
if (!instance->sense_dma_pool) {
dev_printk(KERN_DEBUG, &instance->pdev->dev, "failed to setup sense pool\n");
- pci_pool_destroy(instance->frame_dma_pool);
+ dma_pool_destroy(instance->frame_dma_pool);
instance->frame_dma_pool = NULL;
return -ENOMEM;
@@ -3955,10 +3960,10 @@ static int megasas_create_frame_pool(struct megasas_instance *instance)
cmd = instance->cmd_list[i];
- cmd->frame = pci_pool_alloc(instance->frame_dma_pool,
+ cmd->frame = dma_pool_alloc(instance->frame_dma_pool,
GFP_KERNEL, &cmd->frame_phys_addr);
- cmd->sense = pci_pool_alloc(instance->sense_dma_pool,
+ cmd->sense = dma_pool_alloc(instance->sense_dma_pool,
GFP_KERNEL, &cmd->sense_phys_addr);
/*
@@ -3966,7 +3971,7 @@ static int megasas_create_frame_pool(struct megasas_instance *instance)
* whatever has been allocated
*/
if (!cmd->frame || !cmd->sense) {
- dev_printk(KERN_DEBUG, &instance->pdev->dev, "pci_pool_alloc failed\n");
+ dev_printk(KERN_DEBUG, &instance->pdev->dev, "dma_pool_alloc failed\n");
megasas_teardown_frame_pool(instance);
return -ENOMEM;
}
@@ -5478,7 +5483,8 @@ static int megasas_init_fw(struct megasas_instance *instance)
instance->throttlequeuedepth =
MEGASAS_THROTTLE_QUEUE_DEPTH;
- if (resetwaittime > MEGASAS_RESET_WAIT_TIME)
+ if ((resetwaittime < 1) ||
+ (resetwaittime > MEGASAS_RESET_WAIT_TIME))
resetwaittime = MEGASAS_RESET_WAIT_TIME;
if ((scmd_timeout < 10) || (scmd_timeout > MEGASAS_DEFAULT_CMD_TIMEOUT))
@@ -5649,6 +5655,14 @@ megasas_register_aen(struct megasas_instance *instance, u32 seq_num,
prev_aen.word =
le32_to_cpu(instance->aen_cmd->frame->dcmd.mbox.w[1]);
+ if ((curr_aen.members.class < MFI_EVT_CLASS_DEBUG) ||
+ (curr_aen.members.class > MFI_EVT_CLASS_DEAD)) {
+ dev_info(&instance->pdev->dev,
+ "%s %d out of range class %d send by application\n",
+ __func__, __LINE__, curr_aen.members.class);
+ return 0;
+ }
+
/*
* A class whose enum value is smaller is inclusive of all
* higher values. If a PROGRESS (= -1) was previously
@@ -6096,14 +6110,12 @@ static int megasas_probe_one(struct pci_dev *pdev,
instance->pd_info = pci_alloc_consistent(pdev,
sizeof(struct MR_PD_INFO), &instance->pd_info_h);
- instance->pd_info = pci_alloc_consistent(pdev,
- sizeof(struct MR_PD_INFO), &instance->pd_info_h);
- instance->tgt_prop = pci_alloc_consistent(pdev,
- sizeof(struct MR_TARGET_PROPERTIES), &instance->tgt_prop_h);
-
if (!instance->pd_info)
dev_err(&instance->pdev->dev, "Failed to alloc mem for pd_info\n");
+ instance->tgt_prop = pci_alloc_consistent(pdev,
+ sizeof(struct MR_TARGET_PROPERTIES), &instance->tgt_prop_h);
+
if (!instance->tgt_prop)
dev_err(&instance->pdev->dev, "Failed to alloc mem for tgt_prop\n");
@@ -6663,9 +6675,14 @@ skip_firing_dcmds:
fusion->max_map_sz,
fusion->ld_map[i],
fusion->ld_map_phys[i]);
- if (fusion->ld_drv_map[i])
- free_pages((ulong)fusion->ld_drv_map[i],
- fusion->drv_map_pages);
+ if (fusion->ld_drv_map[i]) {
+ if (is_vmalloc_addr(fusion->ld_drv_map[i]))
+ vfree(fusion->ld_drv_map[i]);
+ else
+ free_pages((ulong)fusion->ld_drv_map[i],
+ fusion->drv_map_pages);
+ }
+
if (fusion->pd_seq_sync[i])
dma_free_coherent(&instance->pdev->dev,
pd_seq_map_sz,
@@ -6866,6 +6883,7 @@ megasas_mgmt_fw_ioctl(struct megasas_instance *instance,
void *sense = NULL;
dma_addr_t sense_handle;
unsigned long *sense_ptr;
+ u32 opcode;
memset(kbuff_arr, 0, sizeof(kbuff_arr));
@@ -6893,15 +6911,16 @@ megasas_mgmt_fw_ioctl(struct megasas_instance *instance,
cmd->frame->hdr.flags &= cpu_to_le16(~(MFI_FRAME_IEEE |
MFI_FRAME_SGL64 |
MFI_FRAME_SENSE64));
+ opcode = le32_to_cpu(cmd->frame->dcmd.opcode);
- if (cmd->frame->dcmd.opcode == MR_DCMD_CTRL_SHUTDOWN) {
+ if (opcode == MR_DCMD_CTRL_SHUTDOWN) {
if (megasas_get_ctrl_info(instance) != DCMD_SUCCESS) {
megasas_return_cmd(instance, cmd);
return -1;
}
}
- if (cmd->frame->dcmd.opcode == MR_DRIVER_SET_APP_CRASHDUMP_MODE) {
+ if (opcode == MR_DRIVER_SET_APP_CRASHDUMP_MODE) {
error = megasas_set_crash_dump_params_ioctl(cmd);
megasas_return_cmd(instance, cmd);
return error;
@@ -6975,8 +6994,7 @@ megasas_mgmt_fw_ioctl(struct megasas_instance *instance,
cmd->sync_cmd = 0;
dev_err(&instance->pdev->dev,
"return -EBUSY from %s %d opcode 0x%x cmd->cmd_status_drv 0x%x\n",
- __func__, __LINE__, cmd->frame->dcmd.opcode,
- cmd->cmd_status_drv);
+ __func__, __LINE__, opcode, cmd->cmd_status_drv);
return -EBUSY;
}
@@ -7323,49 +7341,39 @@ static struct pci_driver megasas_pci_driver = {
/*
* Sysfs driver attributes
*/
-static ssize_t megasas_sysfs_show_version(struct device_driver *dd, char *buf)
+static ssize_t version_show(struct device_driver *dd, char *buf)
{
return snprintf(buf, strlen(MEGASAS_VERSION) + 2, "%s\n",
MEGASAS_VERSION);
}
+static DRIVER_ATTR_RO(version);
-static DRIVER_ATTR(version, S_IRUGO, megasas_sysfs_show_version, NULL);
-
-static ssize_t
-megasas_sysfs_show_release_date(struct device_driver *dd, char *buf)
+static ssize_t release_date_show(struct device_driver *dd, char *buf)
{
return snprintf(buf, strlen(MEGASAS_RELDATE) + 2, "%s\n",
MEGASAS_RELDATE);
}
+static DRIVER_ATTR_RO(release_date);
-static DRIVER_ATTR(release_date, S_IRUGO, megasas_sysfs_show_release_date, NULL);
-
-static ssize_t
-megasas_sysfs_show_support_poll_for_event(struct device_driver *dd, char *buf)
+static ssize_t support_poll_for_event_show(struct device_driver *dd, char *buf)
{
return sprintf(buf, "%u\n", support_poll_for_event);
}
+static DRIVER_ATTR_RO(support_poll_for_event);
-static DRIVER_ATTR(support_poll_for_event, S_IRUGO,
- megasas_sysfs_show_support_poll_for_event, NULL);
-
- static ssize_t
-megasas_sysfs_show_support_device_change(struct device_driver *dd, char *buf)
+static ssize_t support_device_change_show(struct device_driver *dd, char *buf)
{
return sprintf(buf, "%u\n", support_device_change);
}
+static DRIVER_ATTR_RO(support_device_change);
-static DRIVER_ATTR(support_device_change, S_IRUGO,
- megasas_sysfs_show_support_device_change, NULL);
-
-static ssize_t
-megasas_sysfs_show_dbg_lvl(struct device_driver *dd, char *buf)
+static ssize_t dbg_lvl_show(struct device_driver *dd, char *buf)
{
return sprintf(buf, "%u\n", megasas_dbg_lvl);
}
-static ssize_t
-megasas_sysfs_set_dbg_lvl(struct device_driver *dd, const char *buf, size_t count)
+static ssize_t dbg_lvl_store(struct device_driver *dd, const char *buf,
+ size_t count)
{
int retval = count;
@@ -7375,9 +7383,7 @@ megasas_sysfs_set_dbg_lvl(struct device_driver *dd, const char *buf, size_t coun
}
return retval;
}
-
-static DRIVER_ATTR(dbg_lvl, S_IRUGO|S_IWUSR, megasas_sysfs_show_dbg_lvl,
- megasas_sysfs_set_dbg_lvl);
+static DRIVER_ATTR_RW(dbg_lvl);
static inline void megasas_remove_scsi_device(struct scsi_device *sdev)
{
diff --git a/drivers/scsi/megaraid/megaraid_sas_fp.c b/drivers/scsi/megaraid/megaraid_sas_fp.c
index 62affa76133d..ecc699a65bac 100644
--- a/drivers/scsi/megaraid/megaraid_sas_fp.c
+++ b/drivers/scsi/megaraid/megaraid_sas_fp.c
@@ -67,16 +67,6 @@ MODULE_PARM_DESC(lb_pending_cmds, "Change raid-1 load balancing outstanding "
#define ABS_DIFF(a, b) (((a) > (b)) ? ((a) - (b)) : ((b) - (a)))
#define MR_LD_STATE_OPTIMAL 3
-#ifdef FALSE
-#undef FALSE
-#endif
-#define FALSE 0
-
-#ifdef TRUE
-#undef TRUE
-#endif
-#define TRUE 1
-
#define SPAN_ROW_SIZE(map, ld, index_) (MR_LdSpanPtrGet(ld, index_, map)->spanRowSize)
#define SPAN_ROW_DATA_SIZE(map_, ld, index_) (MR_LdSpanPtrGet(ld, index_, map)->spanRowDataSize)
#define SPAN_INVALID 0xff
@@ -709,7 +699,7 @@ static u8 mr_spanset_get_phy_params(struct megasas_instance *instance, u32 ld,
u32 pd, arRef, r1_alt_pd;
u8 physArm, span;
u64 row;
- u8 retval = TRUE;
+ u8 retval = true;
u64 *pdBlock = &io_info->pdBlock;
__le16 *pDevHandle = &io_info->devHandle;
u8 *pPdInterface = &io_info->pd_interface;
@@ -727,7 +717,7 @@ static u8 mr_spanset_get_phy_params(struct megasas_instance *instance, u32 ld,
if (raid->level == 6) {
logArm = get_arm_from_strip(instance, ld, stripRow, map);
if (logArm == -1U)
- return FALSE;
+ return false;
rowMod = mega_mod64(row, SPAN_ROW_SIZE(map, ld, span));
armQ = SPAN_ROW_SIZE(map, ld, span) - 1 - rowMod;
arm = armQ + 1 + logArm;
@@ -738,7 +728,7 @@ static u8 mr_spanset_get_phy_params(struct megasas_instance *instance, u32 ld,
/* Calculate the arm */
physArm = get_arm(instance, ld, span, stripRow, map);
if (physArm == 0xFF)
- return FALSE;
+ return false;
arRef = MR_LdSpanArrayGet(ld, span, map);
pd = MR_ArPdGet(arRef, physArm, map);
@@ -812,7 +802,7 @@ u8 MR_GetPhyParams(struct megasas_instance *instance, u32 ld, u64 stripRow,
u32 pd, arRef, r1_alt_pd;
u8 physArm, span;
u64 row;
- u8 retval = TRUE;
+ u8 retval = true;
u64 *pdBlock = &io_info->pdBlock;
__le16 *pDevHandle = &io_info->devHandle;
u8 *pPdInterface = &io_info->pd_interface;
@@ -829,7 +819,7 @@ u8 MR_GetPhyParams(struct megasas_instance *instance, u32 ld, u64 stripRow,
u32 rowMod, armQ, arm;
if (raid->rowSize == 0)
- return FALSE;
+ return false;
/* get logical row mod */
rowMod = mega_mod64(row, raid->rowSize);
armQ = raid->rowSize-1-rowMod; /* index of Q drive */
@@ -839,7 +829,7 @@ u8 MR_GetPhyParams(struct megasas_instance *instance, u32 ld, u64 stripRow,
physArm = (u8)arm;
} else {
if (raid->modFactor == 0)
- return FALSE;
+ return false;
physArm = MR_LdDataArmGet(ld, mega_mod64(stripRow,
raid->modFactor),
map);
@@ -851,7 +841,7 @@ u8 MR_GetPhyParams(struct megasas_instance *instance, u32 ld, u64 stripRow,
} else {
span = (u8)MR_GetSpanBlock(ld, row, pdBlock, map);
if (span == SPAN_INVALID)
- return FALSE;
+ return false;
}
/* Get the array on which this span is present */
@@ -954,7 +944,7 @@ MR_BuildRaidContext(struct megasas_instance *instance,
*/
if (raid->rowDataSize == 0) {
if (MR_LdSpanPtrGet(ld, 0, map)->spanRowDataSize == 0)
- return FALSE;
+ return false;
else if (instance->UnevenSpanSupport) {
io_info->IoforUnevenSpan = 1;
} else {
@@ -963,7 +953,7 @@ MR_BuildRaidContext(struct megasas_instance *instance,
"rowDataSize = 0x%0x,"
"but there is _NO_ UnevenSpanSupport\n",
MR_LdSpanPtrGet(ld, 0, map)->spanRowDataSize);
- return FALSE;
+ return false;
}
}
@@ -988,7 +978,7 @@ MR_BuildRaidContext(struct megasas_instance *instance,
dev_info(&instance->pdev->dev, "return from %s %d."
"Send IO w/o region lock.\n",
__func__, __LINE__);
- return FALSE;
+ return false;
}
if (raid->spanDepth == 1) {
@@ -1004,7 +994,7 @@ MR_BuildRaidContext(struct megasas_instance *instance,
(unsigned long long)start_row,
(unsigned long long)start_strip,
(unsigned long long)endStrip);
- return FALSE;
+ return false;
}
io_info->start_span = startlba_span;
io_info->start_row = start_row;
@@ -1038,7 +1028,7 @@ MR_BuildRaidContext(struct megasas_instance *instance,
raid->capability.
fpWriteAcrossStripe));
} else
- io_info->fpOkForIo = FALSE;
+ io_info->fpOkForIo = false;
if (numRows == 1) {
/* single-strip IOs can always lock only the data needed */
@@ -1124,7 +1114,7 @@ MR_BuildRaidContext(struct megasas_instance *instance,
pRAID_Context, map);
/* If IO on an invalid Pd, then FP is not possible.*/
if (io_info->devHandle == MR_DEVHANDLE_INVALID)
- io_info->fpOkForIo = FALSE;
+ io_info->fpOkForIo = false;
return retval;
} else if (isRead) {
uint stripIdx;
@@ -1138,10 +1128,10 @@ MR_BuildRaidContext(struct megasas_instance *instance,
start_strip + stripIdx, ref_in_start_stripe,
io_info, pRAID_Context, map);
if (!retval)
- return TRUE;
+ return true;
}
}
- return TRUE;
+ return true;
}
/*
diff --git a/drivers/scsi/megaraid/megaraid_sas_fusion.c b/drivers/scsi/megaraid/megaraid_sas_fusion.c
index 985510628f56..11bd2e698b84 100644
--- a/drivers/scsi/megaraid/megaraid_sas_fusion.c
+++ b/drivers/scsi/megaraid/megaraid_sas_fusion.c
@@ -313,20 +313,20 @@ megasas_free_cmds_fusion(struct megasas_instance *instance)
cmd = fusion->cmd_list[i];
if (cmd) {
if (cmd->sg_frame)
- pci_pool_free(fusion->sg_dma_pool, cmd->sg_frame,
+ dma_pool_free(fusion->sg_dma_pool, cmd->sg_frame,
cmd->sg_frame_phys_addr);
if (cmd->sense)
- pci_pool_free(fusion->sense_dma_pool, cmd->sense,
+ dma_pool_free(fusion->sense_dma_pool, cmd->sense,
cmd->sense_phys_addr);
}
}
if (fusion->sg_dma_pool) {
- pci_pool_destroy(fusion->sg_dma_pool);
+ dma_pool_destroy(fusion->sg_dma_pool);
fusion->sg_dma_pool = NULL;
}
if (fusion->sense_dma_pool) {
- pci_pool_destroy(fusion->sense_dma_pool);
+ dma_pool_destroy(fusion->sense_dma_pool);
fusion->sense_dma_pool = NULL;
}
@@ -343,11 +343,11 @@ megasas_free_cmds_fusion(struct megasas_instance *instance)
fusion->request_alloc_sz, fusion->req_frames_desc,
fusion->req_frames_desc_phys);
if (fusion->io_request_frames)
- pci_pool_free(fusion->io_request_frames_pool,
+ dma_pool_free(fusion->io_request_frames_pool,
fusion->io_request_frames,
fusion->io_request_frames_phys);
if (fusion->io_request_frames_pool) {
- pci_pool_destroy(fusion->io_request_frames_pool);
+ dma_pool_destroy(fusion->io_request_frames_pool);
fusion->io_request_frames_pool = NULL;
}
@@ -376,12 +376,12 @@ static int megasas_create_sg_sense_fusion(struct megasas_instance *instance)
fusion->sg_dma_pool =
- pci_pool_create("mr_sg", instance->pdev,
+ dma_pool_create("mr_sg", &instance->pdev->dev,
instance->max_chain_frame_sz,
MR_DEFAULT_NVME_PAGE_SIZE, 0);
/* SCSI_SENSE_BUFFERSIZE = 96 bytes */
fusion->sense_dma_pool =
- pci_pool_create("mr_sense", instance->pdev,
+ dma_pool_create("mr_sense", &instance->pdev->dev,
SCSI_SENSE_BUFFERSIZE, 64, 0);
if (!fusion->sense_dma_pool || !fusion->sg_dma_pool) {
@@ -395,10 +395,10 @@ static int megasas_create_sg_sense_fusion(struct megasas_instance *instance)
*/
for (i = 0; i < max_cmd; i++) {
cmd = fusion->cmd_list[i];
- cmd->sg_frame = pci_pool_alloc(fusion->sg_dma_pool,
+ cmd->sg_frame = dma_pool_alloc(fusion->sg_dma_pool,
GFP_KERNEL, &cmd->sg_frame_phys_addr);
- cmd->sense = pci_pool_alloc(fusion->sense_dma_pool,
+ cmd->sense = dma_pool_alloc(fusion->sense_dma_pool,
GFP_KERNEL, &cmd->sense_phys_addr);
if (!cmd->sg_frame || !cmd->sense) {
dev_err(&instance->pdev->dev,
@@ -410,7 +410,7 @@ static int megasas_create_sg_sense_fusion(struct megasas_instance *instance)
/* create sense buffer for the raid 1/10 fp */
for (i = max_cmd; i < instance->max_mpt_cmds; i++) {
cmd = fusion->cmd_list[i];
- cmd->sense = pci_pool_alloc(fusion->sense_dma_pool,
+ cmd->sense = dma_pool_alloc(fusion->sense_dma_pool,
GFP_KERNEL, &cmd->sense_phys_addr);
if (!cmd->sense) {
dev_err(&instance->pdev->dev,
@@ -479,7 +479,7 @@ megasas_alloc_request_fusion(struct megasas_instance *instance)
}
fusion->io_request_frames_pool =
- pci_pool_create("mr_ioreq", instance->pdev,
+ dma_pool_create("mr_ioreq", &instance->pdev->dev,
fusion->io_frames_alloc_sz, 16, 0);
if (!fusion->io_request_frames_pool) {
@@ -489,7 +489,7 @@ megasas_alloc_request_fusion(struct megasas_instance *instance)
}
fusion->io_request_frames =
- pci_pool_alloc(fusion->io_request_frames_pool,
+ dma_pool_alloc(fusion->io_request_frames_pool,
GFP_KERNEL, &fusion->io_request_frames_phys);
if (!fusion->io_request_frames) {
dev_err(&instance->pdev->dev,
@@ -509,7 +509,7 @@ megasas_alloc_reply_fusion(struct megasas_instance *instance)
count = instance->msix_vectors > 0 ? instance->msix_vectors : 1;
fusion->reply_frames_desc_pool =
- pci_pool_create("mr_reply", instance->pdev,
+ dma_pool_create("mr_reply", &instance->pdev->dev,
fusion->reply_alloc_sz * count, 16, 0);
if (!fusion->reply_frames_desc_pool) {
@@ -519,7 +519,7 @@ megasas_alloc_reply_fusion(struct megasas_instance *instance)
}
fusion->reply_frames_desc[0] =
- pci_pool_alloc(fusion->reply_frames_desc_pool,
+ dma_pool_alloc(fusion->reply_frames_desc_pool,
GFP_KERNEL, &fusion->reply_frames_desc_phys[0]);
if (!fusion->reply_frames_desc[0]) {
dev_err(&instance->pdev->dev,
@@ -562,8 +562,10 @@ megasas_alloc_rdpq_fusion(struct megasas_instance *instance)
memset(fusion->rdpq_virt, 0,
sizeof(struct MPI2_IOC_INIT_RDPQ_ARRAY_ENTRY) * MAX_MSIX_QUEUES_FUSION);
count = instance->msix_vectors > 0 ? instance->msix_vectors : 1;
- fusion->reply_frames_desc_pool = pci_pool_create("mr_rdpq",
- instance->pdev, fusion->reply_alloc_sz, 16, 0);
+ fusion->reply_frames_desc_pool = dma_pool_create("mr_rdpq",
+ &instance->pdev->dev,
+ fusion->reply_alloc_sz,
+ 16, 0);
if (!fusion->reply_frames_desc_pool) {
dev_err(&instance->pdev->dev,
@@ -573,7 +575,7 @@ megasas_alloc_rdpq_fusion(struct megasas_instance *instance)
for (i = 0; i < count; i++) {
fusion->reply_frames_desc[i] =
- pci_pool_alloc(fusion->reply_frames_desc_pool,
+ dma_pool_alloc(fusion->reply_frames_desc_pool,
GFP_KERNEL, &fusion->reply_frames_desc_phys[i]);
if (!fusion->reply_frames_desc[i]) {
dev_err(&instance->pdev->dev,
@@ -601,13 +603,13 @@ megasas_free_rdpq_fusion(struct megasas_instance *instance) {
for (i = 0; i < MAX_MSIX_QUEUES_FUSION; i++) {
if (fusion->reply_frames_desc[i])
- pci_pool_free(fusion->reply_frames_desc_pool,
+ dma_pool_free(fusion->reply_frames_desc_pool,
fusion->reply_frames_desc[i],
fusion->reply_frames_desc_phys[i]);
}
if (fusion->reply_frames_desc_pool)
- pci_pool_destroy(fusion->reply_frames_desc_pool);
+ dma_pool_destroy(fusion->reply_frames_desc_pool);
if (fusion->rdpq_virt)
pci_free_consistent(instance->pdev,
@@ -623,12 +625,12 @@ megasas_free_reply_fusion(struct megasas_instance *instance) {
fusion = instance->ctrl_context;
if (fusion->reply_frames_desc[0])
- pci_pool_free(fusion->reply_frames_desc_pool,
+ dma_pool_free(fusion->reply_frames_desc_pool,
fusion->reply_frames_desc[0],
fusion->reply_frames_desc_phys[0]);
if (fusion->reply_frames_desc_pool)
- pci_pool_destroy(fusion->reply_frames_desc_pool);
+ dma_pool_destroy(fusion->reply_frames_desc_pool);
}
@@ -914,7 +916,6 @@ megasas_ioc_init_fusion(struct megasas_instance *instance)
ret = 1;
goto fail_fw_init;
}
- dev_info(&instance->pdev->dev, "Init cmd success\n");
ret = 0;
@@ -925,6 +926,10 @@ fail_fw_init:
sizeof(struct MPI2_IOC_INIT_REQUEST),
IOCInitMessage, ioc_init_handle);
fail_get_cmd:
+ dev_err(&instance->pdev->dev,
+ "Init cmd return status %s for SCSI host %d\n",
+ ret ? "FAILED" : "SUCCESS", instance->host->host_no);
+
return ret;
}
@@ -1261,6 +1266,80 @@ megasas_display_intel_branding(struct megasas_instance *instance)
}
/**
+ * megasas_allocate_raid_maps - Allocate memory for RAID maps
+ * @instance: Adapter soft state
+ *
+ * return: if success: return 0
+ * failed: return -ENOMEM
+ */
+static inline int megasas_allocate_raid_maps(struct megasas_instance *instance)
+{
+ struct fusion_context *fusion;
+ int i = 0;
+
+ fusion = instance->ctrl_context;
+
+ fusion->drv_map_pages = get_order(fusion->drv_map_sz);
+
+ for (i = 0; i < 2; i++) {
+ fusion->ld_map[i] = NULL;
+
+ fusion->ld_drv_map[i] = (void *)
+ __get_free_pages(__GFP_ZERO | GFP_KERNEL,
+ fusion->drv_map_pages);
+
+ if (!fusion->ld_drv_map[i]) {
+ fusion->ld_drv_map[i] = vzalloc(fusion->drv_map_sz);
+
+ if (!fusion->ld_drv_map[i]) {
+ dev_err(&instance->pdev->dev,
+ "Could not allocate memory for local map"
+ " size requested: %d\n",
+ fusion->drv_map_sz);
+ goto ld_drv_map_alloc_fail;
+ }
+ }
+ }
+
+ for (i = 0; i < 2; i++) {
+ fusion->ld_map[i] = dma_alloc_coherent(&instance->pdev->dev,
+ fusion->max_map_sz,
+ &fusion->ld_map_phys[i],
+ GFP_KERNEL);
+ if (!fusion->ld_map[i]) {
+ dev_err(&instance->pdev->dev,
+ "Could not allocate memory for map info %s:%d\n",
+ __func__, __LINE__);
+ goto ld_map_alloc_fail;
+ }
+ }
+
+ return 0;
+
+ld_map_alloc_fail:
+ for (i = 0; i < 2; i++) {
+ if (fusion->ld_map[i])
+ dma_free_coherent(&instance->pdev->dev,
+ fusion->max_map_sz,
+ fusion->ld_map[i],
+ fusion->ld_map_phys[i]);
+ }
+
+ld_drv_map_alloc_fail:
+ for (i = 0; i < 2; i++) {
+ if (fusion->ld_drv_map[i]) {
+ if (is_vmalloc_addr(fusion->ld_drv_map[i]))
+ vfree(fusion->ld_drv_map[i]);
+ else
+ free_pages((ulong)fusion->ld_drv_map[i],
+ fusion->drv_map_pages);
+ }
+ }
+
+ return -ENOMEM;
+}
+
+/**
* megasas_init_adapter_fusion - Initializes the FW
* @instance: Adapter soft state
*
@@ -1379,45 +1458,14 @@ megasas_init_adapter_fusion(struct megasas_instance *instance)
instance->r1_ldio_hint_default = MR_R1_LDIO_PIGGYBACK_DEFAULT;
fusion->fast_path_io = 0;
- fusion->drv_map_pages = get_order(fusion->drv_map_sz);
- for (i = 0; i < 2; i++) {
- fusion->ld_map[i] = NULL;
- fusion->ld_drv_map[i] = (void *)__get_free_pages(GFP_KERNEL,
- fusion->drv_map_pages);
- if (!fusion->ld_drv_map[i]) {
- dev_err(&instance->pdev->dev, "Could not allocate "
- "memory for local map info for %d pages\n",
- fusion->drv_map_pages);
- if (i == 1)
- free_pages((ulong)fusion->ld_drv_map[0],
- fusion->drv_map_pages);
- goto fail_ioc_init;
- }
- memset(fusion->ld_drv_map[i], 0,
- ((1 << PAGE_SHIFT) << fusion->drv_map_pages));
- }
-
- for (i = 0; i < 2; i++) {
- fusion->ld_map[i] = dma_alloc_coherent(&instance->pdev->dev,
- fusion->max_map_sz,
- &fusion->ld_map_phys[i],
- GFP_KERNEL);
- if (!fusion->ld_map[i]) {
- dev_err(&instance->pdev->dev, "Could not allocate memory "
- "for map info\n");
- goto fail_map_info;
- }
- }
+ if (megasas_allocate_raid_maps(instance))
+ goto fail_ioc_init;
if (!megasas_get_map_info(instance))
megasas_sync_map_info(instance);
return 0;
-fail_map_info:
- if (i == 1)
- dma_free_coherent(&instance->pdev->dev, fusion->max_map_sz,
- fusion->ld_map[0], fusion->ld_map_phys[0]);
fail_ioc_init:
megasas_free_cmds_fusion(instance);
fail_alloc_cmds:
@@ -3287,7 +3335,7 @@ build_mpt_mfi_pass_thru(struct megasas_instance *instance,
mpi25_ieee_chain->Flags = IEEE_SGE_FLAGS_CHAIN_ELEMENT |
MPI2_IEEE_SGE_FLAGS_IOCPLBNTA_ADDR;
- mpi25_ieee_chain->Length = cpu_to_le32(instance->max_chain_frame_sz);
+ mpi25_ieee_chain->Length = cpu_to_le32(instance->mfi_frame_size);
}
/**
@@ -3369,17 +3417,13 @@ megasas_alloc_host_crash_buffer(struct megasas_instance *instance)
{
unsigned int i;
- instance->crash_buf_pages = get_order(CRASH_DMA_BUF_SIZE);
for (i = 0; i < MAX_CRASH_DUMP_SIZE; i++) {
- instance->crash_buf[i] = (void *)__get_free_pages(GFP_KERNEL,
- instance->crash_buf_pages);
+ instance->crash_buf[i] = vzalloc(CRASH_DMA_BUF_SIZE);
if (!instance->crash_buf[i]) {
dev_info(&instance->pdev->dev, "Firmware crash dump "
"memory allocation failed at index %d\n", i);
break;
}
- memset(instance->crash_buf[i], 0,
- ((1 << PAGE_SHIFT) << instance->crash_buf_pages));
}
instance->drv_buf_alloc = i;
}
@@ -3391,12 +3435,10 @@ megasas_alloc_host_crash_buffer(struct megasas_instance *instance)
void
megasas_free_host_crash_buffer(struct megasas_instance *instance)
{
- unsigned int i
-;
+ unsigned int i;
for (i = 0; i < instance->drv_buf_alloc; i++) {
if (instance->crash_buf[i])
- free_pages((ulong)instance->crash_buf[i],
- instance->crash_buf_pages);
+ vfree(instance->crash_buf[i]);
}
instance->drv_buf_index = 0;
instance->drv_buf_alloc = 0;
@@ -3556,6 +3598,7 @@ int megasas_wait_for_outstanding_fusion(struct megasas_instance *instance,
}
}
+ megasas_complete_cmd_dpc_fusion((unsigned long)instance);
outstanding = atomic_read(&instance->fw_outstanding);
if (!outstanding)
goto out;
@@ -3564,8 +3607,6 @@ int megasas_wait_for_outstanding_fusion(struct megasas_instance *instance,
dev_notice(&instance->pdev->dev, "[%2d]waiting for %d "
"commands to complete for scsi%d\n", i,
outstanding, instance->host->host_no);
- megasas_complete_cmd_dpc_fusion(
- (unsigned long)instance);
}
msleep(1000);
}
@@ -3623,6 +3664,15 @@ void megasas_refire_mgmt_cmd(struct megasas_instance *instance)
if (!smid)
continue;
+
+ /* Do not refire shutdown command */
+ if (le32_to_cpu(cmd_mfi->frame->dcmd.opcode) ==
+ MR_DCMD_CTRL_SHUTDOWN) {
+ cmd_mfi->frame->dcmd.cmd_status = MFI_STAT_OK;
+ megasas_complete_cmd(instance, cmd_mfi, DID_OK);
+ continue;
+ }
+
req_desc = megasas_get_request_descriptor
(instance, smid - 1);
refire_cmd = req_desc && ((cmd_mfi->frame->dcmd.opcode !=
@@ -3750,7 +3800,7 @@ megasas_issue_tm(struct megasas_instance *instance, u16 device_handle,
struct megasas_cmd_fusion *cmd_fusion;
struct megasas_cmd *cmd_mfi;
union MEGASAS_REQUEST_DESCRIPTOR_UNION *req_desc;
- struct fusion_context *fusion;
+ struct fusion_context *fusion = NULL;
struct megasas_cmd_fusion *scsi_lookup;
int rc;
struct MPI2_SCSI_TASK_MANAGE_REPLY *mpi_reply;
@@ -3777,8 +3827,6 @@ megasas_issue_tm(struct megasas_instance *instance, u16 device_handle,
cmd_fusion->request_desc = req_desc;
req_desc->Words = 0;
- scsi_lookup = fusion->cmd_list[smid_task - 1];
-
mr_request = (struct MR_TASK_MANAGE_REQUEST *) cmd_fusion->io_request;
memset(mr_request, 0, sizeof(struct MR_TASK_MANAGE_REQUEST));
mpi_request = (struct MPI2_SCSI_TASK_MANAGE_REQUEST *) &mr_request->TmRequest;
@@ -3825,13 +3873,13 @@ megasas_issue_tm(struct megasas_instance *instance, u16 device_handle,
rc = SUCCESS;
switch (type) {
case MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK:
+ scsi_lookup = fusion->cmd_list[smid_task - 1];
+
if (scsi_lookup->scmd == NULL)
break;
else {
instance->instancet->disable_intr(instance);
megasas_sync_irqs((unsigned long)instance);
- megasas_complete_cmd_dpc_fusion
- ((unsigned long)instance);
instance->instancet->enable_intr(instance);
if (scsi_lookup->scmd == NULL)
break;
@@ -3843,9 +3891,7 @@ megasas_issue_tm(struct megasas_instance *instance, u16 device_handle,
if ((channel == 0xFFFFFFFF) && (id == 0xFFFFFFFF))
break;
instance->instancet->disable_intr(instance);
- msleep(1000);
- megasas_complete_cmd_dpc_fusion
- ((unsigned long)instance);
+ megasas_sync_irqs((unsigned long)instance);
rc = megasas_track_scsiio(instance, id, channel);
instance->instancet->enable_intr(instance);
@@ -4271,9 +4317,6 @@ transition_to_ready:
megasas_fusion_update_can_queue(instance, OCR_CONTEXT);
if (megasas_ioc_init_fusion(instance)) {
- dev_warn(&instance->pdev->dev,
- "megasas_ioc_init_fusion() failed! for "
- "scsi%d\n", instance->host->host_no);
if (instance->requestorId && !reason)
goto fail_kill_adapter;
else
@@ -4319,6 +4362,10 @@ transition_to_ready:
instance->instancet->enable_intr(instance);
atomic_set(&instance->adprecovery, MEGASAS_HBA_OPERATIONAL);
+ dev_info(&instance->pdev->dev, "Interrupts are enabled and"
+ " controller is OPERATIONAL for scsi:%d\n",
+ instance->host->host_no);
+
/* Restart SR-IOV heartbeat */
if (instance->requestorId) {
if (!megasas_sriov_start_heartbeat(instance, 0))
@@ -4330,11 +4377,6 @@ transition_to_ready:
instance->skip_heartbeat_timer_del = 1;
}
- /* Adapter reset completed successfully */
- dev_warn(&instance->pdev->dev, "Reset "
- "successful for scsi%d.\n",
- instance->host->host_no);
-
if (instance->crash_dump_drv_support &&
instance->crash_dump_app_support)
megasas_set_crash_dump_params(instance,
@@ -4344,6 +4386,12 @@ transition_to_ready:
MR_CRASH_BUF_TURN_OFF);
retval = SUCCESS;
+
+ /* Adapter reset completed successfully */
+ dev_warn(&instance->pdev->dev,
+ "Reset successful for scsi%d.\n",
+ instance->host->host_no);
+
goto out;
}
fail_kill_adapter:
diff --git a/drivers/scsi/mpt3sas/mpt3sas_base.c b/drivers/scsi/mpt3sas/mpt3sas_base.c
index 18039bba26c4..87999905bca3 100644
--- a/drivers/scsi/mpt3sas/mpt3sas_base.c
+++ b/drivers/scsi/mpt3sas/mpt3sas_base.c
@@ -615,9 +615,9 @@ _base_display_event_data(struct MPT3SAS_ADAPTER *ioc,
(event_data->ReasonCode == MPI2_EVENT_SAS_DISC_RC_STARTED) ?
"start" : "stop");
if (event_data->DiscoveryStatus)
- pr_info("discovery_status(0x%08x)",
+ pr_cont(" discovery_status(0x%08x)",
le32_to_cpu(event_data->DiscoveryStatus));
- pr_info("\n");
+ pr_cont("\n");
return;
}
case MPI2_EVENT_SAS_BROADCAST_PRIMITIVE:
@@ -3198,9 +3198,8 @@ _base_release_memory_pools(struct MPT3SAS_ADAPTER *ioc)
}
if (ioc->sense) {
- pci_pool_free(ioc->sense_dma_pool, ioc->sense, ioc->sense_dma);
- if (ioc->sense_dma_pool)
- pci_pool_destroy(ioc->sense_dma_pool);
+ dma_pool_free(ioc->sense_dma_pool, ioc->sense, ioc->sense_dma);
+ dma_pool_destroy(ioc->sense_dma_pool);
dexitprintk(ioc, pr_info(MPT3SAS_FMT
"sense_pool(0x%p): free\n",
ioc->name, ioc->sense));
@@ -3208,9 +3207,8 @@ _base_release_memory_pools(struct MPT3SAS_ADAPTER *ioc)
}
if (ioc->reply) {
- pci_pool_free(ioc->reply_dma_pool, ioc->reply, ioc->reply_dma);
- if (ioc->reply_dma_pool)
- pci_pool_destroy(ioc->reply_dma_pool);
+ dma_pool_free(ioc->reply_dma_pool, ioc->reply, ioc->reply_dma);
+ dma_pool_destroy(ioc->reply_dma_pool);
dexitprintk(ioc, pr_info(MPT3SAS_FMT
"reply_pool(0x%p): free\n",
ioc->name, ioc->reply));
@@ -3218,10 +3216,9 @@ _base_release_memory_pools(struct MPT3SAS_ADAPTER *ioc)
}
if (ioc->reply_free) {
- pci_pool_free(ioc->reply_free_dma_pool, ioc->reply_free,
+ dma_pool_free(ioc->reply_free_dma_pool, ioc->reply_free,
ioc->reply_free_dma);
- if (ioc->reply_free_dma_pool)
- pci_pool_destroy(ioc->reply_free_dma_pool);
+ dma_pool_destroy(ioc->reply_free_dma_pool);
dexitprintk(ioc, pr_info(MPT3SAS_FMT
"reply_free_pool(0x%p): free\n",
ioc->name, ioc->reply_free));
@@ -3232,7 +3229,7 @@ _base_release_memory_pools(struct MPT3SAS_ADAPTER *ioc)
do {
rps = &ioc->reply_post[i];
if (rps->reply_post_free) {
- pci_pool_free(
+ dma_pool_free(
ioc->reply_post_free_dma_pool,
rps->reply_post_free,
rps->reply_post_free_dma);
@@ -3244,8 +3241,7 @@ _base_release_memory_pools(struct MPT3SAS_ADAPTER *ioc)
} while (ioc->rdpq_array_enable &&
(++i < ioc->reply_queue_count));
- if (ioc->reply_post_free_dma_pool)
- pci_pool_destroy(ioc->reply_post_free_dma_pool);
+ dma_pool_destroy(ioc->reply_post_free_dma_pool);
kfree(ioc->reply_post);
}
@@ -3266,12 +3262,11 @@ _base_release_memory_pools(struct MPT3SAS_ADAPTER *ioc)
if (ioc->chain_lookup) {
for (i = 0; i < ioc->chain_depth; i++) {
if (ioc->chain_lookup[i].chain_buffer)
- pci_pool_free(ioc->chain_dma_pool,
+ dma_pool_free(ioc->chain_dma_pool,
ioc->chain_lookup[i].chain_buffer,
ioc->chain_lookup[i].chain_buffer_dma);
}
- if (ioc->chain_dma_pool)
- pci_pool_destroy(ioc->chain_dma_pool);
+ dma_pool_destroy(ioc->chain_dma_pool);
free_pages((ulong)ioc->chain_lookup, ioc->chain_pages);
ioc->chain_lookup = NULL;
}
@@ -3446,23 +3441,23 @@ _base_allocate_memory_pools(struct MPT3SAS_ADAPTER *ioc)
ioc->name);
goto out;
}
- ioc->reply_post_free_dma_pool = pci_pool_create("reply_post_free pool",
- ioc->pdev, sz, 16, 0);
+ ioc->reply_post_free_dma_pool = dma_pool_create("reply_post_free pool",
+ &ioc->pdev->dev, sz, 16, 0);
if (!ioc->reply_post_free_dma_pool) {
pr_err(MPT3SAS_FMT
- "reply_post_free pool: pci_pool_create failed\n",
+ "reply_post_free pool: dma_pool_create failed\n",
ioc->name);
goto out;
}
i = 0;
do {
ioc->reply_post[i].reply_post_free =
- pci_pool_alloc(ioc->reply_post_free_dma_pool,
+ dma_pool_alloc(ioc->reply_post_free_dma_pool,
GFP_KERNEL,
&ioc->reply_post[i].reply_post_free_dma);
if (!ioc->reply_post[i].reply_post_free) {
pr_err(MPT3SAS_FMT
- "reply_post_free pool: pci_pool_alloc failed\n",
+ "reply_post_free pool: dma_pool_alloc failed\n",
ioc->name);
goto out;
}
@@ -3577,15 +3572,15 @@ _base_allocate_memory_pools(struct MPT3SAS_ADAPTER *ioc)
ioc->name);
goto out;
}
- ioc->chain_dma_pool = pci_pool_create("chain pool", ioc->pdev,
+ ioc->chain_dma_pool = dma_pool_create("chain pool", &ioc->pdev->dev,
ioc->chain_segment_sz, 16, 0);
if (!ioc->chain_dma_pool) {
- pr_err(MPT3SAS_FMT "chain_dma_pool: pci_pool_create failed\n",
+ pr_err(MPT3SAS_FMT "chain_dma_pool: dma_pool_create failed\n",
ioc->name);
goto out;
}
for (i = 0; i < ioc->chain_depth; i++) {
- ioc->chain_lookup[i].chain_buffer = pci_pool_alloc(
+ ioc->chain_lookup[i].chain_buffer = dma_pool_alloc(
ioc->chain_dma_pool , GFP_KERNEL,
&ioc->chain_lookup[i].chain_buffer_dma);
if (!ioc->chain_lookup[i].chain_buffer) {
@@ -3630,17 +3625,17 @@ _base_allocate_memory_pools(struct MPT3SAS_ADAPTER *ioc)
/* sense buffers, 4 byte align */
sz = ioc->scsiio_depth * SCSI_SENSE_BUFFERSIZE;
- ioc->sense_dma_pool = pci_pool_create("sense pool", ioc->pdev, sz, 4,
- 0);
+ ioc->sense_dma_pool = dma_pool_create("sense pool", &ioc->pdev->dev, sz,
+ 4, 0);
if (!ioc->sense_dma_pool) {
- pr_err(MPT3SAS_FMT "sense pool: pci_pool_create failed\n",
+ pr_err(MPT3SAS_FMT "sense pool: dma_pool_create failed\n",
ioc->name);
goto out;
}
- ioc->sense = pci_pool_alloc(ioc->sense_dma_pool , GFP_KERNEL,
+ ioc->sense = dma_pool_alloc(ioc->sense_dma_pool, GFP_KERNEL,
&ioc->sense_dma);
if (!ioc->sense) {
- pr_err(MPT3SAS_FMT "sense pool: pci_pool_alloc failed\n",
+ pr_err(MPT3SAS_FMT "sense pool: dma_pool_alloc failed\n",
ioc->name);
goto out;
}
@@ -3654,17 +3649,17 @@ _base_allocate_memory_pools(struct MPT3SAS_ADAPTER *ioc)
/* reply pool, 4 byte align */
sz = ioc->reply_free_queue_depth * ioc->reply_sz;
- ioc->reply_dma_pool = pci_pool_create("reply pool", ioc->pdev, sz, 4,
- 0);
+ ioc->reply_dma_pool = dma_pool_create("reply pool", &ioc->pdev->dev, sz,
+ 4, 0);
if (!ioc->reply_dma_pool) {
- pr_err(MPT3SAS_FMT "reply pool: pci_pool_create failed\n",
+ pr_err(MPT3SAS_FMT "reply pool: dma_pool_create failed\n",
ioc->name);
goto out;
}
- ioc->reply = pci_pool_alloc(ioc->reply_dma_pool , GFP_KERNEL,
+ ioc->reply = dma_pool_alloc(ioc->reply_dma_pool, GFP_KERNEL,
&ioc->reply_dma);
if (!ioc->reply) {
- pr_err(MPT3SAS_FMT "reply pool: pci_pool_alloc failed\n",
+ pr_err(MPT3SAS_FMT "reply pool: dma_pool_alloc failed\n",
ioc->name);
goto out;
}
@@ -3680,17 +3675,17 @@ _base_allocate_memory_pools(struct MPT3SAS_ADAPTER *ioc)
/* reply free queue, 16 byte align */
sz = ioc->reply_free_queue_depth * 4;
- ioc->reply_free_dma_pool = pci_pool_create("reply_free pool",
- ioc->pdev, sz, 16, 0);
+ ioc->reply_free_dma_pool = dma_pool_create("reply_free pool",
+ &ioc->pdev->dev, sz, 16, 0);
if (!ioc->reply_free_dma_pool) {
- pr_err(MPT3SAS_FMT "reply_free pool: pci_pool_create failed\n",
+ pr_err(MPT3SAS_FMT "reply_free pool: dma_pool_create failed\n",
ioc->name);
goto out;
}
- ioc->reply_free = pci_pool_alloc(ioc->reply_free_dma_pool , GFP_KERNEL,
+ ioc->reply_free = dma_pool_alloc(ioc->reply_free_dma_pool, GFP_KERNEL,
&ioc->reply_free_dma);
if (!ioc->reply_free) {
- pr_err(MPT3SAS_FMT "reply_free pool: pci_pool_alloc failed\n",
+ pr_err(MPT3SAS_FMT "reply_free pool: dma_pool_alloc failed\n",
ioc->name);
goto out;
}
@@ -3708,7 +3703,7 @@ _base_allocate_memory_pools(struct MPT3SAS_ADAPTER *ioc)
ioc->config_page_sz, &ioc->config_page_dma);
if (!ioc->config_page) {
pr_err(MPT3SAS_FMT
- "config page: pci_pool_alloc failed\n",
+ "config page: dma_pool_alloc failed\n",
ioc->name);
goto out;
}
@@ -5499,10 +5494,10 @@ mpt3sas_base_attach(struct MPT3SAS_ADAPTER *ioc)
ioc->ctl_cmds.status = MPT3_CMD_NOT_USED;
mutex_init(&ioc->ctl_cmds.mutex);
- if (!ioc->base_cmds.reply || !ioc->transport_cmds.reply ||
- !ioc->scsih_cmds.reply || !ioc->tm_cmds.reply ||
- !ioc->config_cmds.reply || !ioc->ctl_cmds.reply ||
- !ioc->ctl_cmds.sense) {
+ if (!ioc->base_cmds.reply || !ioc->port_enable_cmds.reply ||
+ !ioc->transport_cmds.reply || !ioc->scsih_cmds.reply ||
+ !ioc->tm_cmds.reply || !ioc->config_cmds.reply ||
+ !ioc->ctl_cmds.reply || !ioc->ctl_cmds.sense) {
r = -ENOMEM;
goto out_free_resources;
}
diff --git a/drivers/scsi/mpt3sas/mpt3sas_base.h b/drivers/scsi/mpt3sas/mpt3sas_base.h
index 099ab4ca7edf..a77bb7dc12b1 100644
--- a/drivers/scsi/mpt3sas/mpt3sas_base.h
+++ b/drivers/scsi/mpt3sas/mpt3sas_base.h
@@ -970,7 +970,7 @@ struct MPT3SAS_ADAPTER {
u8 id;
int cpu_count;
char name[MPT_NAME_LENGTH];
- char driver_name[MPT_NAME_LENGTH];
+ char driver_name[MPT_NAME_LENGTH - 8];
char tmp_string[MPT_STRING_LENGTH];
struct pci_dev *pdev;
Mpi2SystemInterfaceRegs_t __iomem *chip;
diff --git a/drivers/scsi/mpt3sas/mpt3sas_transport.c b/drivers/scsi/mpt3sas/mpt3sas_transport.c
index e7a7a704a315..d3940c5d079d 100644
--- a/drivers/scsi/mpt3sas/mpt3sas_transport.c
+++ b/drivers/scsi/mpt3sas/mpt3sas_transport.c
@@ -1870,6 +1870,38 @@ _transport_phy_speed(struct sas_phy *phy, struct sas_phy_linkrates *rates)
return rc;
}
+static int
+_transport_map_smp_buffer(struct device *dev, struct bsg_buffer *buf,
+ dma_addr_t *dma_addr, size_t *dma_len, void **p)
+{
+ /* Check if the request is split across multiple segments */
+ if (buf->sg_cnt > 1) {
+ *p = dma_alloc_coherent(dev, buf->payload_len, dma_addr,
+ GFP_KERNEL);
+ if (!*p)
+ return -ENOMEM;
+ *dma_len = buf->payload_len;
+ } else {
+ if (!dma_map_sg(dev, buf->sg_list, 1, DMA_BIDIRECTIONAL))
+ return -ENOMEM;
+ *dma_addr = sg_dma_address(buf->sg_list);
+ *dma_len = sg_dma_len(buf->sg_list);
+ *p = NULL;
+ }
+
+ return 0;
+}
+
+static void
+_transport_unmap_smp_buffer(struct device *dev, struct bsg_buffer *buf,
+ dma_addr_t dma_addr, void *p)
+{
+ if (p)
+ dma_free_coherent(dev, buf->payload_len, p, dma_addr);
+ else
+ dma_unmap_sg(dev, buf->sg_list, 1, DMA_BIDIRECTIONAL);
+}
+
/**
* _transport_smp_handler - transport portal for smp passthru
* @shost: shost object
@@ -1880,9 +1912,9 @@ _transport_phy_speed(struct sas_phy *phy, struct sas_phy_linkrates *rates)
* Example:
* smp_rep_general /sys/class/bsg/expander-5:0
*/
-static int
-_transport_smp_handler(struct Scsi_Host *shost, struct sas_rphy *rphy,
- struct request *req)
+static void
+_transport_smp_handler(struct bsg_job *job, struct Scsi_Host *shost,
+ struct sas_rphy *rphy)
{
struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
Mpi2SmpPassthroughRequest_t *mpi_request;
@@ -1891,33 +1923,25 @@ _transport_smp_handler(struct Scsi_Host *shost, struct sas_rphy *rphy,
u16 smid;
u32 ioc_state;
void *psge;
- u8 issue_reset = 0;
- dma_addr_t dma_addr_in = 0;
- dma_addr_t dma_addr_out = 0;
- dma_addr_t pci_dma_in = 0;
- dma_addr_t pci_dma_out = 0;
- void *pci_addr_in = NULL;
- void *pci_addr_out = NULL;
+ dma_addr_t dma_addr_in;
+ dma_addr_t dma_addr_out;
+ void *addr_in = NULL;
+ void *addr_out = NULL;
+ size_t dma_len_in;
+ size_t dma_len_out;
u16 wait_state_count;
- struct request *rsp = req->next_rq;
- struct bio_vec bvec;
- struct bvec_iter iter;
-
- if (!rsp) {
- pr_err(MPT3SAS_FMT "%s: the smp response space is missing\n",
- ioc->name, __func__);
- return -EINVAL;
- }
+ unsigned int reslen = 0;
if (ioc->shost_recovery || ioc->pci_error_recovery) {
pr_info(MPT3SAS_FMT "%s: host reset in progress!\n",
__func__, ioc->name);
- return -EFAULT;
+ rc = -EFAULT;
+ goto out;
}
rc = mutex_lock_interruptible(&ioc->transport_cmds.mutex);
if (rc)
- return rc;
+ goto out;
if (ioc->transport_cmds.status != MPT3_CMD_NOT_USED) {
pr_err(MPT3SAS_FMT "%s: transport_cmds in use\n", ioc->name,
@@ -1927,58 +1951,20 @@ _transport_smp_handler(struct Scsi_Host *shost, struct sas_rphy *rphy,
}
ioc->transport_cmds.status = MPT3_CMD_PENDING;
- /* Check if the request is split across multiple segments */
- if (bio_multiple_segments(req->bio)) {
- u32 offset = 0;
-
- /* Allocate memory and copy the request */
- pci_addr_out = pci_alloc_consistent(ioc->pdev,
- blk_rq_bytes(req), &pci_dma_out);
- if (!pci_addr_out) {
- pr_info(MPT3SAS_FMT "%s(): PCI Addr out = NULL\n",
- ioc->name, __func__);
- rc = -ENOMEM;
- goto out;
- }
-
- bio_for_each_segment(bvec, req->bio, iter) {
- memcpy(pci_addr_out + offset,
- page_address(bvec.bv_page) + bvec.bv_offset,
- bvec.bv_len);
- offset += bvec.bv_len;
- }
- } else {
- dma_addr_out = pci_map_single(ioc->pdev, bio_data(req->bio),
- blk_rq_bytes(req), PCI_DMA_BIDIRECTIONAL);
- if (pci_dma_mapping_error(ioc->pdev, dma_addr_out)) {
- pr_info(MPT3SAS_FMT "%s(): DMA Addr out = NULL\n",
- ioc->name, __func__);
- rc = -ENOMEM;
- goto free_pci;
- }
+ rc = _transport_map_smp_buffer(&ioc->pdev->dev, &job->request_payload,
+ &dma_addr_out, &dma_len_out, &addr_out);
+ if (rc)
+ goto out;
+ if (addr_out) {
+ sg_copy_to_buffer(job->request_payload.sg_list,
+ job->request_payload.sg_cnt, addr_out,
+ job->request_payload.payload_len);
}
- /* Check if the response needs to be populated across
- * multiple segments */
- if (bio_multiple_segments(rsp->bio)) {
- pci_addr_in = pci_alloc_consistent(ioc->pdev, blk_rq_bytes(rsp),
- &pci_dma_in);
- if (!pci_addr_in) {
- pr_info(MPT3SAS_FMT "%s(): PCI Addr in = NULL\n",
- ioc->name, __func__);
- rc = -ENOMEM;
- goto unmap;
- }
- } else {
- dma_addr_in = pci_map_single(ioc->pdev, bio_data(rsp->bio),
- blk_rq_bytes(rsp), PCI_DMA_BIDIRECTIONAL);
- if (pci_dma_mapping_error(ioc->pdev, dma_addr_in)) {
- pr_info(MPT3SAS_FMT "%s(): DMA Addr in = NULL\n",
- ioc->name, __func__);
- rc = -ENOMEM;
- goto unmap;
- }
- }
+ rc = _transport_map_smp_buffer(&ioc->pdev->dev, &job->reply_payload,
+ &dma_addr_in, &dma_len_in, &addr_in);
+ if (rc)
+ goto unmap_out;
wait_state_count = 0;
ioc_state = mpt3sas_base_get_iocstate(ioc, 1);
@@ -1988,7 +1974,7 @@ _transport_smp_handler(struct Scsi_Host *shost, struct sas_rphy *rphy,
"%s: failed due to ioc not operational\n",
ioc->name, __func__);
rc = -EFAULT;
- goto unmap;
+ goto unmap_in;
}
ssleep(1);
ioc_state = mpt3sas_base_get_iocstate(ioc, 1);
@@ -2005,7 +1991,7 @@ _transport_smp_handler(struct Scsi_Host *shost, struct sas_rphy *rphy,
pr_err(MPT3SAS_FMT "%s: failed obtaining a smid\n",
ioc->name, __func__);
rc = -EAGAIN;
- goto unmap;
+ goto unmap_in;
}
rc = 0;
@@ -2018,15 +2004,11 @@ _transport_smp_handler(struct Scsi_Host *shost, struct sas_rphy *rphy,
mpi_request->SASAddress = (rphy) ?
cpu_to_le64(rphy->identify.sas_address) :
cpu_to_le64(ioc->sas_hba.sas_address);
- mpi_request->RequestDataLength = cpu_to_le16(blk_rq_bytes(req) - 4);
+ mpi_request->RequestDataLength = cpu_to_le16(dma_len_out - 4);
psge = &mpi_request->SGL;
- if (bio_multiple_segments(req->bio))
- ioc->build_sg(ioc, psge, pci_dma_out, (blk_rq_bytes(req) - 4),
- pci_dma_in, (blk_rq_bytes(rsp) + 4));
- else
- ioc->build_sg(ioc, psge, dma_addr_out, (blk_rq_bytes(req) - 4),
- dma_addr_in, (blk_rq_bytes(rsp) + 4));
+ ioc->build_sg(ioc, psge, dma_addr_out, dma_len_out - 4, dma_addr_in,
+ dma_len_in - 4);
dtransportprintk(ioc, pr_info(MPT3SAS_FMT
"%s - sending smp request\n", ioc->name, __func__));
@@ -2040,83 +2022,51 @@ _transport_smp_handler(struct Scsi_Host *shost, struct sas_rphy *rphy,
__func__, ioc->name);
_debug_dump_mf(mpi_request,
sizeof(Mpi2SmpPassthroughRequest_t)/4);
- if (!(ioc->transport_cmds.status & MPT3_CMD_RESET))
- issue_reset = 1;
- goto issue_host_reset;
+ if (!(ioc->transport_cmds.status & MPT3_CMD_RESET)) {
+ mpt3sas_base_hard_reset_handler(ioc, FORCE_BIG_HAMMER);
+ rc = -ETIMEDOUT;
+ goto unmap_in;
+ }
}
dtransportprintk(ioc, pr_info(MPT3SAS_FMT
"%s - complete\n", ioc->name, __func__));
- if (ioc->transport_cmds.status & MPT3_CMD_REPLY_VALID) {
-
- mpi_reply = ioc->transport_cmds.reply;
-
- dtransportprintk(ioc, pr_info(MPT3SAS_FMT
- "%s - reply data transfer size(%d)\n",
- ioc->name, __func__,
- le16_to_cpu(mpi_reply->ResponseDataLength)));
-
- memcpy(scsi_req(req)->sense, mpi_reply, sizeof(*mpi_reply));
- scsi_req(req)->sense_len = sizeof(*mpi_reply);
- scsi_req(req)->resid_len = 0;
- scsi_req(rsp)->resid_len -=
- le16_to_cpu(mpi_reply->ResponseDataLength);
-
- /* check if the resp needs to be copied from the allocated
- * pci mem */
- if (bio_multiple_segments(rsp->bio)) {
- u32 offset = 0;
- u32 bytes_to_copy =
- le16_to_cpu(mpi_reply->ResponseDataLength);
- bio_for_each_segment(bvec, rsp->bio, iter) {
- if (bytes_to_copy <= bvec.bv_len) {
- memcpy(page_address(bvec.bv_page) +
- bvec.bv_offset, pci_addr_in +
- offset, bytes_to_copy);
- break;
- } else {
- memcpy(page_address(bvec.bv_page) +
- bvec.bv_offset, pci_addr_in +
- offset, bvec.bv_len);
- bytes_to_copy -= bvec.bv_len;
- }
- offset += bvec.bv_len;
- }
- }
- } else {
+ if (!(ioc->transport_cmds.status & MPT3_CMD_REPLY_VALID)) {
dtransportprintk(ioc, pr_info(MPT3SAS_FMT
"%s - no reply\n", ioc->name, __func__));
rc = -ENXIO;
+ goto unmap_in;
}
- issue_host_reset:
- if (issue_reset) {
- mpt3sas_base_hard_reset_handler(ioc, FORCE_BIG_HAMMER);
- rc = -ETIMEDOUT;
- }
+ mpi_reply = ioc->transport_cmds.reply;
- unmap:
- if (dma_addr_out)
- pci_unmap_single(ioc->pdev, dma_addr_out, blk_rq_bytes(req),
- PCI_DMA_BIDIRECTIONAL);
- if (dma_addr_in)
- pci_unmap_single(ioc->pdev, dma_addr_in, blk_rq_bytes(rsp),
- PCI_DMA_BIDIRECTIONAL);
+ dtransportprintk(ioc,
+ pr_info(MPT3SAS_FMT "%s - reply data transfer size(%d)\n",
+ ioc->name, __func__,
+ le16_to_cpu(mpi_reply->ResponseDataLength)));
- free_pci:
- if (pci_addr_out)
- pci_free_consistent(ioc->pdev, blk_rq_bytes(req), pci_addr_out,
- pci_dma_out);
+ memcpy(job->reply, mpi_reply, sizeof(*mpi_reply));
+ job->reply_len = sizeof(*mpi_reply);
+ reslen = le16_to_cpu(mpi_reply->ResponseDataLength);
- if (pci_addr_in)
- pci_free_consistent(ioc->pdev, blk_rq_bytes(rsp), pci_addr_in,
- pci_dma_in);
+ if (addr_in) {
+ sg_copy_to_buffer(job->reply_payload.sg_list,
+ job->reply_payload.sg_cnt, addr_in,
+ job->reply_payload.payload_len);
+ }
+ rc = 0;
+ unmap_in:
+ _transport_unmap_smp_buffer(&ioc->pdev->dev, &job->reply_payload,
+ dma_addr_in, addr_in);
+ unmap_out:
+ _transport_unmap_smp_buffer(&ioc->pdev->dev, &job->request_payload,
+ dma_addr_out, addr_out);
out:
ioc->transport_cmds.status = MPT3_CMD_NOT_USED;
mutex_unlock(&ioc->transport_cmds.mutex);
- return rc;
+ bsg_job_done(job, rc, reslen);
}
struct sas_function_template mpt3sas_transport_functions = {
diff --git a/drivers/scsi/mvme147.c b/drivers/scsi/mvme147.c
index e7f6661a8862..4f515700bdc3 100644
--- a/drivers/scsi/mvme147.c
+++ b/drivers/scsi/mvme147.c
@@ -121,21 +121,6 @@ err_out:
return 0;
}
-static int mvme147_bus_reset(struct scsi_cmnd *cmd)
-{
- /* FIXME perform bus-specific reset */
-
- /* FIXME 2: kill this function, and let midlayer fallback to
- the same result, calling wd33c93_host_reset() */
-
- spin_lock_irq(cmd->device->host->host_lock);
- wd33c93_host_reset(cmd);
- spin_unlock_irq(cmd->device->host->host_lock);
-
- return SUCCESS;
-}
-
-
static struct scsi_host_template driver_template = {
.proc_name = "MVME147",
.name = "MVME147 built-in SCSI",
@@ -143,7 +128,6 @@ static struct scsi_host_template driver_template = {
.release = mvme147_release,
.queuecommand = wd33c93_queuecommand,
.eh_abort_handler = wd33c93_abort,
- .eh_bus_reset_handler = mvme147_bus_reset,
.eh_host_reset_handler = wd33c93_host_reset,
.can_queue = CAN_QUEUE,
.this_id = 7,
diff --git a/drivers/scsi/mvsas/mv_init.c b/drivers/scsi/mvsas/mv_init.c
index 4e047b5001a6..718c88de328b 100644
--- a/drivers/scsi/mvsas/mv_init.c
+++ b/drivers/scsi/mvsas/mv_init.c
@@ -61,7 +61,7 @@ static struct scsi_host_template mvs_sht = {
.max_sectors = SCSI_DEFAULT_MAX_SECTORS,
.use_clustering = ENABLE_CLUSTERING,
.eh_device_reset_handler = sas_eh_device_reset_handler,
- .eh_bus_reset_handler = sas_eh_bus_reset_handler,
+ .eh_target_reset_handler = sas_eh_target_reset_handler,
.target_destroy = sas_target_destroy,
.ioctl = sas_ioctl,
.shost_attrs = mvst_host_attrs,
@@ -125,8 +125,7 @@ static void mvs_free(struct mvs_info *mvi)
else
slot_nr = MVS_CHIP_SLOT_SZ;
- if (mvi->dma_pool)
- pci_pool_destroy(mvi->dma_pool);
+ dma_pool_destroy(mvi->dma_pool);
if (mvi->tx)
dma_free_coherent(mvi->dev,
@@ -296,7 +295,8 @@ static int mvs_alloc(struct mvs_info *mvi, struct Scsi_Host *shost)
goto err_out;
sprintf(pool_name, "%s%d", "mvs_dma_pool", mvi->id);
- mvi->dma_pool = pci_pool_create(pool_name, mvi->pdev, MVS_SLOT_BUF_SZ, 16, 0);
+ mvi->dma_pool = dma_pool_create(pool_name, &mvi->pdev->dev,
+ MVS_SLOT_BUF_SZ, 16, 0);
if (!mvi->dma_pool) {
printk(KERN_DEBUG "failed to create dma pool %s.\n", pool_name);
goto err_out;
@@ -557,14 +557,14 @@ static int mvs_pci_init(struct pci_dev *pdev, const struct pci_device_id *ent)
SHOST_TO_SAS_HA(shost) =
kcalloc(1, sizeof(struct sas_ha_struct), GFP_KERNEL);
if (!SHOST_TO_SAS_HA(shost)) {
- kfree(shost);
+ scsi_host_put(shost);
rc = -ENOMEM;
goto err_out_regions;
}
rc = mvs_prep_sas_ha_init(shost, chip);
if (rc) {
- kfree(shost);
+ scsi_host_put(shost);
rc = -ENOMEM;
goto err_out_regions;
}
diff --git a/drivers/scsi/mvsas/mv_sas.c b/drivers/scsi/mvsas/mv_sas.c
index c7cc8035eacb..ee81d10252e0 100644
--- a/drivers/scsi/mvsas/mv_sas.c
+++ b/drivers/scsi/mvsas/mv_sas.c
@@ -790,7 +790,7 @@ static int mvs_task_prep(struct sas_task *task, struct mvs_info *mvi, int is_tmf
slot->n_elem = n_elem;
slot->slot_tag = tag;
- slot->buf = pci_pool_alloc(mvi->dma_pool, GFP_ATOMIC, &slot->buf_dma);
+ slot->buf = dma_pool_alloc(mvi->dma_pool, GFP_ATOMIC, &slot->buf_dma);
if (!slot->buf) {
rc = -ENOMEM;
goto err_out_tag;
@@ -840,7 +840,7 @@ static int mvs_task_prep(struct sas_task *task, struct mvs_info *mvi, int is_tmf
return rc;
err_out_slot_buf:
- pci_pool_free(mvi->dma_pool, slot->buf, slot->buf_dma);
+ dma_pool_free(mvi->dma_pool, slot->buf, slot->buf_dma);
err_out_tag:
mvs_tag_free(mvi, tag);
err_out:
@@ -918,7 +918,7 @@ static void mvs_slot_task_free(struct mvs_info *mvi, struct sas_task *task,
}
if (slot->buf) {
- pci_pool_free(mvi->dma_pool, slot->buf, slot->buf_dma);
+ dma_pool_free(mvi->dma_pool, slot->buf, slot->buf_dma);
slot->buf = NULL;
}
list_del_init(&slot->entry);
diff --git a/drivers/scsi/nsp32.c b/drivers/scsi/nsp32.c
index 53c84771f0e8..107e191bf023 100644
--- a/drivers/scsi/nsp32.c
+++ b/drivers/scsi/nsp32.c
@@ -201,7 +201,6 @@ static int nsp32_release (struct Scsi_Host *);
/* SCSI error handler */
static int nsp32_eh_abort (struct scsi_cmnd *);
-static int nsp32_eh_bus_reset (struct scsi_cmnd *);
static int nsp32_eh_host_reset(struct scsi_cmnd *);
/* generate SCSI message */
@@ -276,8 +275,7 @@ static struct scsi_host_template nsp32_template = {
.max_sectors = 128,
.this_id = NSP32_HOST_SCSIID,
.use_clustering = DISABLE_CLUSTERING,
- .eh_abort_handler = nsp32_eh_abort,
- .eh_bus_reset_handler = nsp32_eh_bus_reset,
+ .eh_abort_handler = nsp32_eh_abort,
.eh_host_reset_handler = nsp32_eh_host_reset,
/* .highmem_io = 1, */
};
@@ -2845,24 +2843,6 @@ static int nsp32_eh_abort(struct scsi_cmnd *SCpnt)
return SUCCESS;
}
-static int nsp32_eh_bus_reset(struct scsi_cmnd *SCpnt)
-{
- nsp32_hw_data *data = (nsp32_hw_data *)SCpnt->device->host->hostdata;
- unsigned int base = SCpnt->device->host->io_port;
-
- spin_lock_irq(SCpnt->device->host->host_lock);
-
- nsp32_msg(KERN_INFO, "Bus Reset");
- nsp32_dbg(NSP32_DEBUG_BUSRESET, "SCpnt=0x%x", SCpnt);
-
- nsp32_write2(base, IRQ_CONTROL, IRQ_CONTROL_ALL_IRQ_MASK);
- nsp32_do_bus_reset(data);
- nsp32_write2(base, IRQ_CONTROL, 0);
-
- spin_unlock_irq(SCpnt->device->host->host_lock);
- return SUCCESS; /* SCSI bus reset is succeeded at any time. */
-}
-
static void nsp32_do_bus_reset(nsp32_hw_data *data)
{
unsigned int base = data->BaseAddress;
diff --git a/drivers/scsi/osst.c b/drivers/scsi/osst.c
index 929ee7e88120..20ec1c01dbd5 100644
--- a/drivers/scsi/osst.c
+++ b/drivers/scsi/osst.c
@@ -619,7 +619,7 @@ static int osst_verify_frame(struct osst_tape * STp, int frame_seq_number, int q
os_aux_t * aux = STp->buffer->aux;
os_partition_t * par = &(aux->partition);
struct st_partstat * STps = &(STp->ps[STp->partition]);
- int blk_cnt, blk_sz, i;
+ unsigned int blk_cnt, blk_sz, i;
if (STp->raw) {
if (STp->buffer->syscall_result) {
@@ -5434,7 +5434,7 @@ static int append_to_buffer(const char __user *ubp, struct osst_buffer *st_bp, i
for (i=0, offset=st_bp->buffer_bytes;
i < st_bp->sg_segs && offset >= st_bp->sg[i].length; i++)
- offset -= st_bp->sg[i].length;
+ offset -= st_bp->sg[i].length;
if (i == st_bp->sg_segs) { /* Should never happen */
printk(KERN_WARNING "osst :A: Append_to_buffer offset overflow.\n");
return (-EIO);
@@ -5667,12 +5667,12 @@ static struct osst_support_data support_list[] = {
* sysfs support for osst driver parameter information
*/
-static ssize_t osst_version_show(struct device_driver *ddd, char *buf)
+static ssize_t version_show(struct device_driver *ddd, char *buf)
{
return snprintf(buf, PAGE_SIZE, "%s\n", osst_version);
}
-static DRIVER_ATTR(version, S_IRUGO, osst_version_show, NULL);
+static DRIVER_ATTR_RO(version);
static int osst_create_sysfs_files(struct device_driver *sysfs)
{
diff --git a/drivers/scsi/pcmcia/fdomain_stub.c b/drivers/scsi/pcmcia/fdomain_stub.c
index 714b248f5d5e..953a792150ae 100644
--- a/drivers/scsi/pcmcia/fdomain_stub.c
+++ b/drivers/scsi/pcmcia/fdomain_stub.c
@@ -173,7 +173,7 @@ static void fdomain_release(struct pcmcia_device *link)
static int fdomain_resume(struct pcmcia_device *link)
{
- fdomain_16x0_bus_reset(NULL);
+ fdomain_16x0_host_reset(NULL);
return 0;
}
diff --git a/drivers/scsi/pcmcia/qlogic_stub.c b/drivers/scsi/pcmcia/qlogic_stub.c
index c670dc704c74..0556054764dc 100644
--- a/drivers/scsi/pcmcia/qlogic_stub.c
+++ b/drivers/scsi/pcmcia/qlogic_stub.c
@@ -67,7 +67,7 @@ static struct scsi_host_template qlogicfas_driver_template = {
.info = qlogicfas408_info,
.queuecommand = qlogicfas408_queuecommand,
.eh_abort_handler = qlogicfas408_abort,
- .eh_bus_reset_handler = qlogicfas408_bus_reset,
+ .eh_host_reset_handler = qlogicfas408_host_reset,
.bios_param = qlogicfas408_biosparam,
.can_queue = 1,
.this_id = -1,
@@ -264,7 +264,7 @@ static int qlogic_resume(struct pcmcia_device *link)
outb(0x04, link->resource[0]->start + 0xd);
}
/* Ugggglllyyyy!!! */
- qlogicfas408_bus_reset(NULL);
+ qlogicfas408_host_reset(NULL);
return 0;
}
diff --git a/drivers/scsi/pm8001/pm8001_init.c b/drivers/scsi/pm8001/pm8001_init.c
index 034b2f7d1135..0e013f76b582 100644
--- a/drivers/scsi/pm8001/pm8001_init.c
+++ b/drivers/scsi/pm8001/pm8001_init.c
@@ -86,7 +86,7 @@ static struct scsi_host_template pm8001_sht = {
.max_sectors = SCSI_DEFAULT_MAX_SECTORS,
.use_clustering = ENABLE_CLUSTERING,
.eh_device_reset_handler = sas_eh_device_reset_handler,
- .eh_bus_reset_handler = sas_eh_bus_reset_handler,
+ .eh_target_reset_handler = sas_eh_target_reset_handler,
.target_destroy = sas_target_destroy,
.ioctl = sas_ioctl,
.shost_attrs = pm8001_host_attrs,
@@ -160,8 +160,6 @@ static void pm8001_free(struct pm8001_hba_info *pm8001_ha)
}
}
PM8001_CHIP_DISP->chip_iounmap(pm8001_ha);
- if (pm8001_ha->shost)
- scsi_host_put(pm8001_ha->shost);
flush_workqueue(pm8001_wq);
kfree(pm8001_ha->tags);
kfree(pm8001_ha);
@@ -1073,7 +1071,7 @@ err_out_ha_free:
err_out_free:
kfree(SHOST_TO_SAS_HA(shost));
err_out_free_host:
- kfree(shost);
+ scsi_host_put(shost);
err_out_regions:
pci_release_regions(pdev);
err_out_disable:
@@ -1112,6 +1110,7 @@ static void pm8001_pci_remove(struct pci_dev *pdev)
for (j = 0; j < PM8001_MAX_MSIX_VEC; j++)
tasklet_kill(&pm8001_ha->tasklet[j]);
#endif
+ scsi_host_put(pm8001_ha->shost);
pm8001_free(pm8001_ha);
kfree(sha->sas_phy);
kfree(sha->sas_port);
diff --git a/drivers/scsi/pmcraid.c b/drivers/scsi/pmcraid.c
index 1cc814f1505a..b4d6cd8cd1ad 100644
--- a/drivers/scsi/pmcraid.c
+++ b/drivers/scsi/pmcraid.c
@@ -1595,12 +1595,7 @@ static void pmcraid_handle_config_change(struct pmcraid_instance *pinstance)
if (pinstance->ccn.hcam->notification_type ==
NOTIFICATION_TYPE_ENTRY_CHANGED &&
cfg_entry->resource_type == RES_TYPE_VSET) {
-
- if (fw_version <= PMCRAID_FW_VERSION_1)
- hidden_entry = (cfg_entry->unique_flags1 & 0x80) != 0;
- else
- hidden_entry = (cfg_entry->unique_flags1 & 0x80) != 0;
-
+ hidden_entry = (cfg_entry->unique_flags1 & 0x80) != 0;
} else if (!pmcraid_expose_resource(fw_version, cfg_entry)) {
goto out_notify_apps;
}
@@ -4655,13 +4650,13 @@ pmcraid_release_control_blocks(
return;
for (i = 0; i < max_index; i++) {
- pci_pool_free(pinstance->control_pool,
+ dma_pool_free(pinstance->control_pool,
pinstance->cmd_list[i]->ioa_cb,
pinstance->cmd_list[i]->ioa_cb_bus_addr);
pinstance->cmd_list[i]->ioa_cb = NULL;
pinstance->cmd_list[i]->ioa_cb_bus_addr = 0;
}
- pci_pool_destroy(pinstance->control_pool);
+ dma_pool_destroy(pinstance->control_pool);
pinstance->control_pool = NULL;
}
@@ -4718,8 +4713,8 @@ static int pmcraid_allocate_control_blocks(struct pmcraid_instance *pinstance)
pinstance->host->unique_id);
pinstance->control_pool =
- pci_pool_create(pinstance->ctl_pool_name,
- pinstance->pdev,
+ dma_pool_create(pinstance->ctl_pool_name,
+ &pinstance->pdev->dev,
sizeof(struct pmcraid_control_block),
PMCRAID_IOARCB_ALIGNMENT, 0);
@@ -4728,7 +4723,7 @@ static int pmcraid_allocate_control_blocks(struct pmcraid_instance *pinstance)
for (i = 0; i < PMCRAID_MAX_CMD; i++) {
pinstance->cmd_list[i]->ioa_cb =
- pci_pool_alloc(
+ dma_pool_alloc(
pinstance->control_pool,
GFP_KERNEL,
&(pinstance->cmd_list[i]->ioa_cb_bus_addr));
diff --git a/drivers/scsi/pmcraid.h b/drivers/scsi/pmcraid.h
index 01eb2bc16dc1..8bfac72a242b 100644
--- a/drivers/scsi/pmcraid.h
+++ b/drivers/scsi/pmcraid.h
@@ -755,7 +755,7 @@ struct pmcraid_instance {
/* structures related to command blocks */
struct kmem_cache *cmd_cachep; /* cache for cmd blocks */
- struct pci_pool *control_pool; /* pool for control blocks */
+ struct dma_pool *control_pool; /* pool for control blocks */
char cmd_pool_name[64]; /* name of cmd cache */
char ctl_pool_name[64]; /* name of control cache */
diff --git a/drivers/scsi/ppa.c b/drivers/scsi/ppa.c
index f6ad579280d4..7be5823ab036 100644
--- a/drivers/scsi/ppa.c
+++ b/drivers/scsi/ppa.c
@@ -970,7 +970,6 @@ static struct scsi_host_template ppa_template = {
.name = "Iomega VPI0 (ppa) interface",
.queuecommand = ppa_queuecommand,
.eh_abort_handler = ppa_abort,
- .eh_bus_reset_handler = ppa_reset,
.eh_host_reset_handler = ppa_reset,
.bios_param = ppa_biosparam,
.this_id = -1,
diff --git a/drivers/scsi/qedf/qedf.h b/drivers/scsi/qedf/qedf.h
index 351f06dfc5a0..9bf7b227e69a 100644
--- a/drivers/scsi/qedf/qedf.h
+++ b/drivers/scsi/qedf/qedf.h
@@ -300,7 +300,6 @@ struct qedf_ctx {
#define QEDF_FALLBACK_VLAN 1002
#define QEDF_DEFAULT_PRIO 3
int vlan_id;
- uint vlan_hw_insert:1;
struct qed_dev *cdev;
struct qed_dev_fcoe_info dev_info;
struct qed_int_info int_info;
@@ -443,7 +442,6 @@ extern void qedf_cmd_mgr_free(struct qedf_cmd_mgr *cmgr);
extern int qedf_queuecommand(struct Scsi_Host *host,
struct scsi_cmnd *sc_cmd);
extern void qedf_fip_send(struct fcoe_ctlr *fip, struct sk_buff *skb);
-extern void qedf_update_src_mac(struct fc_lport *lport, u8 *addr);
extern u8 *qedf_get_src_mac(struct fc_lport *lport);
extern void qedf_fip_recv(struct qedf_ctx *qedf, struct sk_buff *skb);
extern void qedf_fcoe_send_vlan_req(struct qedf_ctx *qedf);
diff --git a/drivers/scsi/qedf/qedf_fip.c b/drivers/scsi/qedf/qedf_fip.c
index aefd24ca9604..773558fc0697 100644
--- a/drivers/scsi/qedf/qedf_fip.c
+++ b/drivers/scsi/qedf/qedf_fip.c
@@ -108,7 +108,6 @@ void qedf_fip_send(struct fcoe_ctlr *fip, struct sk_buff *skb)
{
struct qedf_ctx *qedf = container_of(fip, struct qedf_ctx, ctlr);
struct ethhdr *eth_hdr;
- struct vlan_ethhdr *vlan_hdr;
struct fip_header *fiph;
u16 op, vlan_tci = 0;
u8 sub;
@@ -124,16 +123,14 @@ void qedf_fip_send(struct fcoe_ctlr *fip, struct sk_buff *skb)
op = ntohs(fiph->fip_op);
sub = fiph->fip_subcode;
- if (!qedf->vlan_hw_insert) {
- vlan_hdr = skb_push(skb, sizeof(*vlan_hdr) - sizeof(*eth_hdr));
- memcpy(vlan_hdr, eth_hdr, 2 * ETH_ALEN);
- vlan_hdr->h_vlan_proto = htons(ETH_P_8021Q);
- vlan_hdr->h_vlan_encapsulated_proto = eth_hdr->h_proto;
- vlan_hdr->h_vlan_TCI = vlan_tci = htons(qedf->vlan_id);
- }
+ /*
+ * Add VLAN tag to non-offload FIP frame based on current stored VLAN
+ * for FIP/FCoE traffic.
+ */
+ __vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), qedf->vlan_id);
- /* Update eth_hdr since we added a VLAN tag */
- eth_hdr = (struct ethhdr *)skb_mac_header(skb);
+ /* Get VLAN ID from skb for printing purposes */
+ __vlan_hwaccel_get_tag(skb, &vlan_tci);
QEDF_INFO(&(qedf->dbg_ctx), QEDF_LOG_LL2, "FIP frame send: "
"dest=%pM op=%x sub=%x vlan=%04x.", eth_hdr->h_dest, op, sub,
@@ -174,7 +171,6 @@ void qedf_fip_recv(struct qedf_ctx *qedf, struct sk_buff *skb)
/* Handle FIP VLAN resp in the driver */
if (op == FIP_OP_VLAN && sub == FIP_SC_VL_NOTE) {
qedf_fcoe_process_vlan_resp(qedf, skb);
- qedf->vlan_hw_insert = 0;
kfree_skb(skb);
} else if (op == FIP_OP_CTRL && sub == FIP_SC_CLR_VLINK) {
QEDF_INFO(&(qedf->dbg_ctx), QEDF_LOG_DISC, "Clear virtual "
@@ -242,26 +238,9 @@ void qedf_fip_recv(struct qedf_ctx *qedf, struct sk_buff *skb)
}
}
-void qedf_update_src_mac(struct fc_lport *lport, u8 *addr)
-{
- struct qedf_ctx *qedf = lport_priv(lport);
-
- QEDF_INFO(&(qedf->dbg_ctx), QEDF_LOG_DISC,
- "Setting data_src_addr=%pM.\n", addr);
- ether_addr_copy(qedf->data_src_addr, addr);
-}
-
u8 *qedf_get_src_mac(struct fc_lport *lport)
{
- u8 mac[ETH_ALEN];
- u8 port_id[3];
struct qedf_ctx *qedf = lport_priv(lport);
- /* We need to use the lport port_id to create the data_src_addr */
- if (is_zero_ether_addr(qedf->data_src_addr)) {
- hton24(port_id, lport->port_id);
- fc_fcoe_set_mac(mac, port_id);
- qedf->ctlr.update_mac(lport, mac);
- }
return qedf->data_src_addr;
}
diff --git a/drivers/scsi/qedf/qedf_main.c b/drivers/scsi/qedf/qedf_main.c
index 1d13c9ca517d..7c0064500cc5 100644
--- a/drivers/scsi/qedf/qedf_main.c
+++ b/drivers/scsi/qedf/qedf_main.c
@@ -18,6 +18,7 @@
#include <linux/kthread.h>
#include <scsi/libfc.h>
#include <scsi/scsi_host.h>
+#include <scsi/fc_frame.h>
#include <linux/if_ether.h>
#include <linux/if_vlan.h>
#include <linux/cpu.h>
@@ -42,7 +43,7 @@ MODULE_PARM_DESC(dev_loss_tmo, " dev_loss_tmo setting for attached "
uint qedf_debug = QEDF_LOG_INFO;
module_param_named(debug, qedf_debug, uint, S_IRUGO);
-MODULE_PARM_DESC(qedf_debug, " Debug mask. Pass '1' to enable default debugging"
+MODULE_PARM_DESC(debug, " Debug mask. Pass '1' to enable default debugging"
" mask");
static uint qedf_fipvlan_retries = 30;
@@ -163,7 +164,7 @@ static void qedf_handle_link_update(struct work_struct *work)
QEDF_WARN(&(qedf->dbg_ctx), "Did not receive FIP VLAN "
"response, falling back to default VLAN %d.\n",
qedf_fallback_vlan);
- qedf_set_vlan_id(qedf, QEDF_FALLBACK_VLAN);
+ qedf_set_vlan_id(qedf, qedf_fallback_vlan);
/*
* Zero out data_src_addr so we'll update it with the new
@@ -187,6 +188,50 @@ static void qedf_handle_link_update(struct work_struct *work)
}
}
+#define QEDF_FCOE_MAC_METHOD_GRANGED_MAC 1
+#define QEDF_FCOE_MAC_METHOD_FCF_MAP 2
+#define QEDF_FCOE_MAC_METHOD_FCOE_SET_MAC 3
+static void qedf_set_data_src_addr(struct qedf_ctx *qedf, struct fc_frame *fp)
+{
+ u8 *granted_mac;
+ struct fc_frame_header *fh = fc_frame_header_get(fp);
+ u8 fc_map[3];
+ int method = 0;
+
+ /* Get granted MAC address from FIP FLOGI payload */
+ granted_mac = fr_cb(fp)->granted_mac;
+
+ /*
+ * We set the source MAC for FCoE traffic based on the Granted MAC
+ * address from the switch.
+ *
+ * If granted_mac is non-zero, we used that.
+ * If the granted_mac is zeroed out, created the FCoE MAC based on
+ * the sel_fcf->fc_map and the d_id fo the FLOGI frame.
+ * If sel_fcf->fc_map is 0 then we use the default FCF-MAC plus the
+ * d_id of the FLOGI frame.
+ */
+ if (!is_zero_ether_addr(granted_mac)) {
+ ether_addr_copy(qedf->data_src_addr, granted_mac);
+ method = QEDF_FCOE_MAC_METHOD_GRANGED_MAC;
+ } else if (qedf->ctlr.sel_fcf->fc_map != 0) {
+ hton24(fc_map, qedf->ctlr.sel_fcf->fc_map);
+ qedf->data_src_addr[0] = fc_map[0];
+ qedf->data_src_addr[1] = fc_map[1];
+ qedf->data_src_addr[2] = fc_map[2];
+ qedf->data_src_addr[3] = fh->fh_d_id[0];
+ qedf->data_src_addr[4] = fh->fh_d_id[1];
+ qedf->data_src_addr[5] = fh->fh_d_id[2];
+ method = QEDF_FCOE_MAC_METHOD_FCF_MAP;
+ } else {
+ fc_fcoe_set_mac(qedf->data_src_addr, fh->fh_d_id);
+ method = QEDF_FCOE_MAC_METHOD_FCOE_SET_MAC;
+ }
+
+ QEDF_INFO(&(qedf->dbg_ctx), QEDF_LOG_DISC,
+ "QEDF data_src_mac=%pM method=%d.\n", qedf->data_src_addr, method);
+}
+
static void qedf_flogi_resp(struct fc_seq *seq, struct fc_frame *fp,
void *arg)
{
@@ -212,6 +257,10 @@ static void qedf_flogi_resp(struct fc_seq *seq, struct fc_frame *fp,
/* Log stats for FLOGI reject */
if (fc_frame_payload_op(fp) == ELS_LS_RJT)
qedf->flogi_failed++;
+ else if (fc_frame_payload_op(fp) == ELS_LS_ACC) {
+ /* Set the source MAC we will use for FCoE traffic */
+ qedf_set_data_src_addr(qedf, fp);
+ }
/* Complete flogi_compl so we can proceed to sending ADISCs */
complete(&qedf->flogi_compl);
@@ -312,8 +361,9 @@ static void qedf_link_recovery(struct work_struct *work)
/* Since the link when down and up to verify which vlan we're on */
qedf->fipvlan_retries = qedf_fipvlan_retries;
rc = qedf_initiate_fipvlan_req(qedf);
+ /* If getting the VLAN fails, set the VLAN to the fallback one */
if (!rc)
- return;
+ qedf_set_vlan_id(qedf, qedf_fallback_vlan);
/*
* We need to wait for an FCF to be selected due to the
@@ -629,16 +679,6 @@ static int qedf_eh_device_reset(struct scsi_cmnd *sc_cmd)
return qedf_initiate_tmf(sc_cmd, FCP_TMF_LUN_RESET);
}
-static int qedf_eh_bus_reset(struct scsi_cmnd *sc_cmd)
-{
- QEDF_ERR(NULL, "BUS RESET Issued...\n");
- /*
- * Essentially a no-op but return SUCCESS to prevent
- * unnecessary escalation to the host reset handler.
- */
- return SUCCESS;
-}
-
void qedf_wait_for_upload(struct qedf_ctx *qedf)
{
while (1) {
@@ -716,7 +756,6 @@ static struct scsi_host_template qedf_host_template = {
.eh_abort_handler = qedf_eh_abort,
.eh_device_reset_handler = qedf_eh_device_reset, /* lun reset */
.eh_target_reset_handler = qedf_eh_target_reset, /* target reset */
- .eh_bus_reset_handler = qedf_eh_bus_reset,
.eh_host_reset_handler = qedf_eh_host_reset,
.slave_configure = qedf_slave_configure,
.dma_boundary = QED_HW_DMA_BOUNDARY,
@@ -915,6 +954,10 @@ static int qedf_xmit(struct fc_lport *lport, struct fc_frame *fp)
skb->mac_len = elen;
skb->protocol = htons(ETH_P_FCOE);
+ /*
+ * Add VLAN tag to non-offload FCoE frame based on current stored VLAN
+ * for FIP/FCoE traffic.
+ */
__vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), qedf->vlan_id);
/* fill up mac and fcoe headers */
@@ -927,7 +970,7 @@ static int qedf_xmit(struct fc_lport *lport, struct fc_frame *fp)
ether_addr_copy(eh->h_dest, qedf->ctlr.dest_addr);
/* Set the source MAC address */
- fc_fcoe_set_mac(eh->h_source, fh->fh_s_id);
+ ether_addr_copy(eh->h_source, qedf->data_src_addr);
hp = (struct fcoe_hdr *)(eh + 1);
memset(hp, 0, sizeof(*hp));
@@ -1025,7 +1068,6 @@ static int qedf_offload_connection(struct qedf_ctx *qedf,
{
struct qed_fcoe_params_offload conn_info;
u32 port_id;
- u8 lport_src_id[3];
int rval;
uint16_t total_sqe = (fcport->sq_mem_size / sizeof(struct fcoe_wqe));
@@ -1054,11 +1096,7 @@ static int qedf_offload_connection(struct qedf_ctx *qedf,
(dma_addr_t)(*(u64 *)(fcport->sq_pbl + 8));
/* Need to use our FCoE MAC for the offload session */
- port_id = fc_host_port_id(qedf->lport->host);
- lport_src_id[2] = (port_id & 0x000000FF);
- lport_src_id[1] = (port_id & 0x0000FF00) >> 8;
- lport_src_id[0] = (port_id & 0x00FF0000) >> 16;
- fc_fcoe_set_mac(conn_info.src_mac, lport_src_id);
+ ether_addr_copy(conn_info.src_mac, qedf->data_src_addr);
ether_addr_copy(conn_info.dst_mac, qedf->ctlr.dest_addr);
@@ -1347,7 +1385,6 @@ static void qedf_fcoe_ctlr_setup(struct qedf_ctx *qedf)
fcoe_ctlr_init(&qedf->ctlr, FIP_ST_AUTO);
qedf->ctlr.send = qedf_fip_send;
- qedf->ctlr.update_mac = qedf_update_src_mac;
qedf->ctlr.get_src_addr = qedf_get_src_mac;
ether_addr_copy(qedf->ctlr.ctl_src_addr, qedf->mac);
}
@@ -2939,7 +2976,7 @@ static int __qedf_probe(struct pci_dev *pdev, int mode)
sprintf(host_buf, "qedf_%u_link",
qedf->lport->host->host_no);
- qedf->link_update_wq = create_singlethread_workqueue(host_buf);
+ qedf->link_update_wq = create_workqueue(host_buf);
INIT_DELAYED_WORK(&qedf->link_update, qedf_handle_link_update);
INIT_DELAYED_WORK(&qedf->link_recovery, qedf_link_recovery);
@@ -3056,9 +3093,24 @@ static int __qedf_probe(struct pci_dev *pdev, int mode)
QEDF_INFO(&(qedf->dbg_ctx), QEDF_LOG_DISC, "MAC address is %pM.\n",
qedf->mac);
- /* Set the WWNN and WWPN based on the MAC address */
- qedf->wwnn = fcoe_wwn_from_mac(qedf->mac, 1, 0);
- qedf->wwpn = fcoe_wwn_from_mac(qedf->mac, 2, 0);
+ /*
+ * Set the WWNN and WWPN in the following way:
+ *
+ * If the info we get from qed is non-zero then use that to set the
+ * WWPN and WWNN. Otherwise fall back to use fcoe_wwn_from_mac() based
+ * on the MAC address.
+ */
+ if (qedf->dev_info.wwnn != 0 && qedf->dev_info.wwpn != 0) {
+ QEDF_INFO(&(qedf->dbg_ctx), QEDF_LOG_DISC,
+ "Setting WWPN and WWNN from qed dev_info.\n");
+ qedf->wwnn = qedf->dev_info.wwnn;
+ qedf->wwpn = qedf->dev_info.wwpn;
+ } else {
+ QEDF_INFO(&(qedf->dbg_ctx), QEDF_LOG_DISC,
+ "Setting WWPN and WWNN using fcoe_wwn_from_mac().\n");
+ qedf->wwnn = fcoe_wwn_from_mac(qedf->mac, 1, 0);
+ qedf->wwpn = fcoe_wwn_from_mac(qedf->mac, 2, 0);
+ }
QEDF_INFO(&(qedf->dbg_ctx), QEDF_LOG_DISC, "WWNN=%016llx "
"WWPN=%016llx.\n", qedf->wwnn, qedf->wwpn);
@@ -3094,7 +3146,7 @@ static int __qedf_probe(struct pci_dev *pdev, int mode)
/* Start LL2 processing thread */
snprintf(host_buf, 20, "qedf_%d_ll2", host->host_no);
qedf->ll2_recv_wq =
- create_singlethread_workqueue(host_buf);
+ create_workqueue(host_buf);
if (!qedf->ll2_recv_wq) {
QEDF_ERR(&(qedf->dbg_ctx), "Failed to LL2 workqueue.\n");
goto err7;
@@ -3114,8 +3166,7 @@ static int __qedf_probe(struct pci_dev *pdev, int mode)
}
set_bit(QEDF_LL2_STARTED, &qedf->flags);
- /* hw will be insterting vlan tag*/
- qedf->vlan_hw_insert = 1;
+ /* Set initial FIP/FCoE VLAN to NULL */
qedf->vlan_id = 0;
/*
@@ -3137,7 +3188,7 @@ static int __qedf_probe(struct pci_dev *pdev, int mode)
sprintf(host_buf, "qedf_%u_timer", qedf->lport->host->host_no);
qedf->timer_work_queue =
- create_singlethread_workqueue(host_buf);
+ create_workqueue(host_buf);
if (!qedf->timer_work_queue) {
QEDF_ERR(&(qedf->dbg_ctx), "Failed to start timer "
"workqueue.\n");
@@ -3148,7 +3199,7 @@ static int __qedf_probe(struct pci_dev *pdev, int mode)
if (mode != QEDF_MODE_RECOVERY) {
sprintf(host_buf, "qedf_%u_dpc",
qedf->lport->host->host_no);
- qedf->dpc_wq = create_singlethread_workqueue(host_buf);
+ qedf->dpc_wq = create_workqueue(host_buf);
}
/*
diff --git a/drivers/scsi/qedf/qedf_version.h b/drivers/scsi/qedf/qedf_version.h
index 6fa442061c32..397b3b8ee51a 100644
--- a/drivers/scsi/qedf/qedf_version.h
+++ b/drivers/scsi/qedf/qedf_version.h
@@ -7,9 +7,9 @@
* this source tree.
*/
-#define QEDF_VERSION "8.18.22.0"
+#define QEDF_VERSION "8.20.5.0"
#define QEDF_DRIVER_MAJOR_VER 8
-#define QEDF_DRIVER_MINOR_VER 18
-#define QEDF_DRIVER_REV_VER 22
+#define QEDF_DRIVER_MINOR_VER 20
+#define QEDF_DRIVER_REV_VER 5
#define QEDF_DRIVER_ENG_VER 0
diff --git a/drivers/scsi/qedi/qedi.h b/drivers/scsi/qedi/qedi.h
index 91d2f51c351b..b8b22ce60ecc 100644
--- a/drivers/scsi/qedi/qedi.h
+++ b/drivers/scsi/qedi/qedi.h
@@ -54,8 +54,8 @@ struct qedi_endpoint;
/* MAX Length for cached SGL */
#define MAX_SGLEN_FOR_CACHESGL ((1U << 16) - 1)
-#define MAX_NUM_MSIX_PF 8
-#define MIN_NUM_CPUS_MSIX(x) min((x)->msix_count, num_online_cpus())
+#define MIN_NUM_CPUS_MSIX(x) min_t(u32, x->dev_info.num_cqs, \
+ num_online_cpus())
#define QEDI_LOCAL_PORT_MIN 60000
#define QEDI_LOCAL_PORT_MAX 61024
@@ -301,7 +301,6 @@ struct qedi_ctx {
u16 bdq_prod_idx;
u16 rq_num_entries;
- u32 msix_count;
u32 max_sqes;
u8 num_queues;
u32 max_active_conns;
diff --git a/drivers/scsi/qedi/qedi_iscsi.c b/drivers/scsi/qedi/qedi_iscsi.c
index 37da9a8b43b1..a02b34ea5cab 100644
--- a/drivers/scsi/qedi/qedi_iscsi.c
+++ b/drivers/scsi/qedi/qedi_iscsi.c
@@ -534,7 +534,7 @@ static int qedi_iscsi_offload_conn(struct qedi_endpoint *qedi_ep)
SET_FIELD(conn_info->tcp_flags, TCP_OFFLOAD_PARAMS_DA_CNT_EN, 1);
SET_FIELD(conn_info->tcp_flags, TCP_OFFLOAD_PARAMS_KA_EN, 1);
- conn_info->default_cq = (qedi_ep->fw_cid % 8);
+ conn_info->default_cq = (qedi_ep->fw_cid % qedi->num_queues);
conn_info->ka_max_probe_cnt = DEF_KA_MAX_PROBE_COUNT;
conn_info->dup_ack_theshold = 3;
diff --git a/drivers/scsi/qedi/qedi_main.c b/drivers/scsi/qedi/qedi_main.c
index 2c3783684815..cccc34adc0e0 100644
--- a/drivers/scsi/qedi/qedi_main.c
+++ b/drivers/scsi/qedi/qedi_main.c
@@ -794,13 +794,14 @@ static int qedi_set_iscsi_pf_param(struct qedi_ctx *qedi)
u32 log_page_size;
int rval = 0;
- QEDI_INFO(&qedi->dbg_ctx, QEDI_LOG_DISC, "Min number of MSIX %d\n",
- MIN_NUM_CPUS_MSIX(qedi));
num_sq_pages = (MAX_OUSTANDING_TASKS_PER_CON * 8) / PAGE_SIZE;
qedi->num_queues = MIN_NUM_CPUS_MSIX(qedi);
+ QEDI_INFO(&qedi->dbg_ctx, QEDI_LOG_INFO,
+ "Number of CQ count is %d\n", qedi->num_queues);
+
memset(&qedi->pf_params.iscsi_pf_params, 0,
sizeof(qedi->pf_params.iscsi_pf_params));
@@ -1575,7 +1576,7 @@ struct qedi_cmd *qedi_get_cmd_from_tid(struct qedi_ctx *qedi, u32 tid)
{
struct qedi_cmd *cmd = NULL;
- if (tid > MAX_ISCSI_TASK_ENTRIES)
+ if (tid >= MAX_ISCSI_TASK_ENTRIES)
return NULL;
cmd = qedi->itt_map[tid].p_cmd;
@@ -2179,9 +2180,12 @@ static int __qedi_probe(struct pci_dev *pdev, int mode)
goto free_host;
}
- qedi->msix_count = MAX_NUM_MSIX_PF;
atomic_set(&qedi->link_state, QEDI_LINK_DOWN);
+ rc = qedi_ops->fill_dev_info(qedi->cdev, &qedi->dev_info);
+ if (rc)
+ goto free_host;
+
if (mode != QEDI_MODE_RECOVERY) {
rc = qedi_set_iscsi_pf_param(qedi);
if (rc) {
diff --git a/drivers/scsi/qla2xxx/qla_attr.c b/drivers/scsi/qla2xxx/qla_attr.c
index 08a1feb3a195..9ce28c4f9812 100644
--- a/drivers/scsi/qla2xxx/qla_attr.c
+++ b/drivers/scsi/qla2xxx/qla_attr.c
@@ -318,6 +318,8 @@ qla2x00_sysfs_write_optrom_ctl(struct file *filp, struct kobject *kobj,
return -EINVAL;
if (start > ha->optrom_size)
return -EINVAL;
+ if (size > ha->optrom_size - start)
+ size = ha->optrom_size - start;
mutex_lock(&ha->optrom_mutex);
switch (val) {
@@ -343,8 +345,7 @@ qla2x00_sysfs_write_optrom_ctl(struct file *filp, struct kobject *kobj,
}
ha->optrom_region_start = start;
- ha->optrom_region_size = start + size > ha->optrom_size ?
- ha->optrom_size - start : size;
+ ha->optrom_region_size = start + size;
ha->optrom_state = QLA_SREADING;
ha->optrom_buffer = vmalloc(ha->optrom_region_size);
@@ -417,8 +418,7 @@ qla2x00_sysfs_write_optrom_ctl(struct file *filp, struct kobject *kobj,
}
ha->optrom_region_start = start;
- ha->optrom_region_size = start + size > ha->optrom_size ?
- ha->optrom_size - start : size;
+ ha->optrom_region_size = start + size;
ha->optrom_state = QLA_SWRITING;
ha->optrom_buffer = vmalloc(ha->optrom_region_size);
@@ -565,47 +565,17 @@ qla2x00_sysfs_read_sfp(struct file *filp, struct kobject *kobj,
{
struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
struct device, kobj)));
- struct qla_hw_data *ha = vha->hw;
- uint16_t iter, addr, offset;
int rval;
- if (!capable(CAP_SYS_ADMIN) || off != 0 || count != SFP_DEV_SIZE * 2)
+ if (!capable(CAP_SYS_ADMIN) || off != 0 || count < SFP_DEV_SIZE)
return 0;
- if (ha->sfp_data)
- goto do_read;
-
- ha->sfp_data = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
- &ha->sfp_data_dma);
- if (!ha->sfp_data) {
- ql_log(ql_log_warn, vha, 0x706c,
- "Unable to allocate memory for SFP read-data.\n");
+ if (qla2x00_reset_active(vha))
return 0;
- }
-
-do_read:
- memset(ha->sfp_data, 0, SFP_BLOCK_SIZE);
- addr = 0xa0;
- for (iter = 0, offset = 0; iter < (SFP_DEV_SIZE * 2) / SFP_BLOCK_SIZE;
- iter++, offset += SFP_BLOCK_SIZE) {
- if (iter == 4) {
- /* Skip to next device address. */
- addr = 0xa2;
- offset = 0;
- }
-
- rval = qla2x00_read_sfp(vha, ha->sfp_data_dma, ha->sfp_data,
- addr, offset, SFP_BLOCK_SIZE, BIT_1);
- if (rval != QLA_SUCCESS) {
- ql_log(ql_log_warn, vha, 0x706d,
- "Unable to read SFP data (%x/%x/%x).\n", rval,
- addr, offset);
- return -EIO;
- }
- memcpy(buf, ha->sfp_data, SFP_BLOCK_SIZE);
- buf += SFP_BLOCK_SIZE;
- }
+ rval = qla2x00_read_sfp_dev(vha, buf, count);
+ if (rval)
+ return -EIO;
return count;
}
@@ -615,7 +585,7 @@ static struct bin_attribute sysfs_sfp_attr = {
.name = "sfp",
.mode = S_IRUSR | S_IWUSR,
},
- .size = SFP_DEV_SIZE * 2,
+ .size = SFP_DEV_SIZE,
.read = qla2x00_sysfs_read_sfp,
};
@@ -1511,6 +1481,38 @@ qla2x00_pep_version_show(struct device *dev, struct device_attribute *attr,
ha->pep_version[0], ha->pep_version[1], ha->pep_version[2]);
}
+static ssize_t
+qla2x00_min_link_speed_show(struct device *dev, struct device_attribute *attr,
+ char *buf)
+{
+ scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
+ struct qla_hw_data *ha = vha->hw;
+
+ if (!IS_QLA27XX(ha))
+ return scnprintf(buf, PAGE_SIZE, "\n");
+
+ return scnprintf(buf, PAGE_SIZE, "%s\n",
+ ha->min_link_speed == 5 ? "32Gps" :
+ ha->min_link_speed == 4 ? "16Gps" :
+ ha->min_link_speed == 3 ? "8Gps" :
+ ha->min_link_speed == 2 ? "4Gps" :
+ ha->min_link_speed != 0 ? "unknown" : "");
+}
+
+static ssize_t
+qla2x00_max_speed_sup_show(struct device *dev, struct device_attribute *attr,
+ char *buf)
+{
+ scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
+ struct qla_hw_data *ha = vha->hw;
+
+ if (!IS_QLA27XX(ha))
+ return scnprintf(buf, PAGE_SIZE, "\n");
+
+ return scnprintf(buf, PAGE_SIZE, "%s\n",
+ ha->max_speed_sup ? "32Gps" : "16Gps");
+}
+
static DEVICE_ATTR(driver_version, S_IRUGO, qla2x00_drvr_version_show, NULL);
static DEVICE_ATTR(fw_version, S_IRUGO, qla2x00_fw_version_show, NULL);
static DEVICE_ATTR(serial_num, S_IRUGO, qla2x00_serial_num_show, NULL);
@@ -1556,6 +1558,8 @@ static DEVICE_ATTR(allow_cna_fw_dump, S_IRUGO | S_IWUSR,
qla2x00_allow_cna_fw_dump_show,
qla2x00_allow_cna_fw_dump_store);
static DEVICE_ATTR(pep_version, S_IRUGO, qla2x00_pep_version_show, NULL);
+static DEVICE_ATTR(min_link_speed, S_IRUGO, qla2x00_min_link_speed_show, NULL);
+static DEVICE_ATTR(max_speed_sup, S_IRUGO, qla2x00_max_speed_sup_show, NULL);
struct device_attribute *qla2x00_host_attrs[] = {
&dev_attr_driver_version,
@@ -1590,6 +1594,8 @@ struct device_attribute *qla2x00_host_attrs[] = {
&dev_attr_fw_dump_size,
&dev_attr_allow_cna_fw_dump,
&dev_attr_pep_version,
+ &dev_attr_min_link_speed,
+ &dev_attr_max_speed_sup,
NULL,
};
diff --git a/drivers/scsi/qla2xxx/qla_dbg.c b/drivers/scsi/qla2xxx/qla_dbg.c
index 26751d34bcf2..3e9dc54b89a3 100644
--- a/drivers/scsi/qla2xxx/qla_dbg.c
+++ b/drivers/scsi/qla2xxx/qla_dbg.c
@@ -14,7 +14,7 @@
* | Module Init and Probe | 0x0193 | 0x0146 |
* | | | 0x015b-0x0160 |
* | | | 0x016e |
- * | Mailbox commands | 0x1199 | 0x1193 |
+ * | Mailbox commands | 0x1205 | 0x11a2-0x11ff |
* | Device Discovery | 0x2134 | 0x210e-0x2116 |
* | | | 0x211a |
* | | | 0x211c-0x2128 |
@@ -41,7 +41,7 @@
* | | | 0x70ad-0x70ae |
* | | | 0x70d0-0x70d6 |
* | | | 0x70d7-0x70db |
- * | Task Management | 0x8042 | 0x8000,0x800b |
+ * | Task Management | 0x8042 | 0x8000 |
* | | | 0x8019 |
* | | | 0x8025,0x8026 |
* | | | 0x8031,0x8032 |
@@ -2520,8 +2520,6 @@ qla83xx_fw_dump_failed:
static inline int
ql_mask_match(uint32_t level)
{
- if (ql2xextended_error_logging == 1)
- ql2xextended_error_logging = QL_DBG_DEFAULT1_MASK;
return (level & ql2xextended_error_logging) == level;
}
@@ -2738,9 +2736,9 @@ ql_dump_regs(uint32_t level, scsi_qla_host_t *vha, int32_t id)
mbx_reg = MAILBOX_REG(ha, reg, 0);
ql_dbg(level, vha, id, "Mailbox registers:\n");
- for (i = 0; i < 6; i++)
+ for (i = 0; i < 6; i++, mbx_reg++)
ql_dbg(level, vha, id,
- "mbox[%d] 0x%04x\n", i, RD_REG_WORD(mbx_reg++));
+ "mbox[%d] 0x%04x\n", i, RD_REG_WORD(mbx_reg));
}
diff --git a/drivers/scsi/qla2xxx/qla_def.h b/drivers/scsi/qla2xxx/qla_def.h
index 0730b10b4280..486c075998f6 100644
--- a/drivers/scsi/qla2xxx/qla_def.h
+++ b/drivers/scsi/qla2xxx/qla_def.h
@@ -427,6 +427,7 @@ struct srb_iocb {
enum nvmefc_fcp_datadir dir;
uint32_t dl;
uint32_t timeout_sec;
+ struct list_head entry;
} nvme;
} u;
@@ -470,7 +471,7 @@ typedef struct srb {
uint8_t cmd_type;
uint8_t pad[3];
atomic_t ref_count;
- wait_queue_head_t nvme_ls_waitQ;
+ wait_queue_head_t nvme_ls_waitq;
struct fc_port *fcport;
struct scsi_qla_host *vha;
uint32_t handle;
@@ -901,6 +902,7 @@ struct mbx_cmd_32 {
#define MBA_SHUTDOWN_REQUESTED 0x8062 /* Shutdown Requested */
#define MBA_TEMPERATURE_ALERT 0x8070 /* Temperature Alert */
#define MBA_DPORT_DIAGNOSTICS 0x8080 /* D-port Diagnostics */
+#define MBA_TRANS_INSERT 0x8130 /* Transceiver Insertion */
#define MBA_FW_INIT_FAILURE 0x8401 /* Firmware initialization failure */
#define MBA_MIRROR_LUN_CHANGE 0x8402 /* Mirror LUN State Change
Notification */
@@ -977,6 +979,7 @@ struct mbx_cmd_32 {
#define MBC_ABORT_TARGET 0x17 /* Abort target (ID). */
#define MBC_RESET 0x18 /* Reset. */
#define MBC_GET_ADAPTER_LOOP_ID 0x20 /* Get loop id of ISP2200. */
+#define MBC_GET_SET_ZIO_THRESHOLD 0x21 /* Get/SET ZIO THRESHOLD. */
#define MBC_GET_RETRY_COUNT 0x22 /* Get f/w retry cnt/delay. */
#define MBC_DISABLE_VI 0x24 /* Disable VI operation. */
#define MBC_ENABLE_VI 0x25 /* Enable VI operation. */
@@ -2301,8 +2304,7 @@ typedef struct fc_port {
unsigned int login_succ:1;
struct work_struct nvme_del_work;
- atomic_t nvme_ref_count;
- wait_queue_head_t nvme_waitQ;
+ struct completion nvme_del_done;
uint32_t nvme_prli_service_param;
#define NVME_PRLI_SP_CONF BIT_7
#define NVME_PRLI_SP_INITIATOR BIT_5
@@ -3338,6 +3340,7 @@ struct qla_qpair {
struct work_struct q_work;
struct list_head qp_list_elem; /* vha->qp_list */
struct list_head hints_list;
+ struct list_head nvme_done_list;
uint16_t cpuid;
struct qla_tgt_counters tgt_counters;
};
@@ -3463,8 +3466,15 @@ struct qla_hw_data {
uint32_t n2n_ae:1;
uint32_t fw_started:1;
uint32_t fw_init_done:1;
+
+ uint32_t detected_lr_sfp:1;
+ uint32_t using_lr_setting:1;
} flags;
+ uint16_t long_range_distance; /* 32G & above */
+#define LR_DISTANCE_5K 1
+#define LR_DISTANCE_10K 0
+
/* This spinlock is used to protect "io transactions", you must
* acquire it before doing any IO to the card, eg with RD_REG*() and
* WRT_REG*() for the duration of your entire commandtransaction.
@@ -3712,7 +3722,7 @@ struct qla_hw_data {
struct sns_cmd_pkt *sns_cmd;
dma_addr_t sns_cmd_dma;
-#define SFP_DEV_SIZE 256
+#define SFP_DEV_SIZE 512
#define SFP_BLOCK_SIZE 64
void *sfp_data;
dma_addr_t sfp_data_dma;
@@ -4017,8 +4027,20 @@ struct qla_hw_data {
struct qlt_hw_data tgt;
int allow_cna_fw_dump;
+ uint32_t fw_ability_mask;
+ uint16_t min_link_speed;
+ uint16_t max_speed_sup;
+
+ atomic_t nvme_active_aen_cnt;
+ uint16_t nvme_last_rptd_aen; /* Last recorded aen count */
};
+#define FW_ABILITY_MAX_SPEED_MASK 0xFUL
+#define FW_ABILITY_MAX_SPEED_16G 0x0
+#define FW_ABILITY_MAX_SPEED_32G 0x1
+#define FW_ABILITY_MAX_SPEED(ha) \
+ (ha->fw_ability_mask & FW_ABILITY_MAX_SPEED_MASK)
+
/*
* Qlogic scsi host structure
*/
@@ -4089,6 +4111,8 @@ typedef struct scsi_qla_host {
#define FX00_CRITEMP_RECOVERY 25
#define FX00_HOST_INFO_RESEND 26
#define QPAIR_ONLINE_CHECK_NEEDED 27
+#define SET_ZIO_THRESHOLD_NEEDED 28
+#define DETECT_SFP_CHANGE 29
unsigned long pci_flags;
#define PFLG_DISCONNECTED 0 /* PCI device removed */
@@ -4129,8 +4153,7 @@ typedef struct scsi_qla_host {
uint8_t fabric_node_name[WWN_SIZE];
struct nvme_fc_local_port *nvme_local_port;
- atomic_t nvme_ref_count;
- wait_queue_head_t nvme_waitQ;
+ struct completion nvme_del_done;
struct list_head nvme_rport_list;
atomic_t nvme_active_aen_cnt;
uint16_t nvme_last_rptd_aen;
@@ -4199,6 +4222,7 @@ typedef struct scsi_qla_host {
int fcport_count;
wait_queue_head_t fcport_waitQ;
wait_queue_head_t vref_waitq;
+ uint8_t min_link_speed_feat;
} scsi_qla_host_t;
struct qla27xx_image_status {
@@ -4373,6 +4397,88 @@ enum nexus_wait_type {
WAIT_LUN,
};
+/* Refer to SNIA SFF 8247 */
+struct sff_8247_a0 {
+ u8 txid; /* transceiver id */
+ u8 ext_txid;
+ u8 connector;
+ /* compliance code */
+ u8 eth_infi_cc3; /* ethernet, inifiband */
+ u8 sonet_cc4[2];
+ u8 eth_cc6;
+ /* link length */
+#define FC_LL_VL BIT_7 /* very long */
+#define FC_LL_S BIT_6 /* Short */
+#define FC_LL_I BIT_5 /* Intermidiate*/
+#define FC_LL_L BIT_4 /* Long */
+#define FC_LL_M BIT_3 /* Medium */
+#define FC_LL_SA BIT_2 /* ShortWave laser */
+#define FC_LL_LC BIT_1 /* LongWave laser */
+#define FC_LL_EL BIT_0 /* Electrical inter enclosure */
+ u8 fc_ll_cc7;
+ /* FC technology */
+#define FC_TEC_EL BIT_7 /* Electrical inter enclosure */
+#define FC_TEC_SN BIT_6 /* short wave w/o OFC */
+#define FC_TEC_SL BIT_5 /* short wave with OFC */
+#define FC_TEC_LL BIT_4 /* Longwave Laser */
+#define FC_TEC_ACT BIT_3 /* Active cable */
+#define FC_TEC_PAS BIT_2 /* Passive cable */
+ u8 fc_tec_cc8;
+ /* Transmission Media */
+#define FC_MED_TW BIT_7 /* Twin Ax */
+#define FC_MED_TP BIT_6 /* Twited Pair */
+#define FC_MED_MI BIT_5 /* Min Coax */
+#define FC_MED_TV BIT_4 /* Video Coax */
+#define FC_MED_M6 BIT_3 /* Multimode, 62.5um */
+#define FC_MED_M5 BIT_2 /* Multimode, 50um */
+#define FC_MED_SM BIT_0 /* Single Mode */
+ u8 fc_med_cc9;
+ /* speed FC_SP_12: 12*100M = 1200 MB/s */
+#define FC_SP_12 BIT_7
+#define FC_SP_8 BIT_6
+#define FC_SP_16 BIT_5
+#define FC_SP_4 BIT_4
+#define FC_SP_32 BIT_3
+#define FC_SP_2 BIT_2
+#define FC_SP_1 BIT_0
+ u8 fc_sp_cc10;
+ u8 encode;
+ u8 bitrate;
+ u8 rate_id;
+ u8 length_km; /* offset 14/eh */
+ u8 length_100m;
+ u8 length_50um_10m;
+ u8 length_62um_10m;
+ u8 length_om4_10m;
+ u8 length_om3_10m;
+#define SFF_VEN_NAME_LEN 16
+ u8 vendor_name[SFF_VEN_NAME_LEN]; /* offset 20/14h */
+ u8 tx_compat;
+ u8 vendor_oui[3];
+#define SFF_PART_NAME_LEN 16
+ u8 vendor_pn[SFF_PART_NAME_LEN]; /* part number */
+ u8 vendor_rev[4];
+ u8 wavelength[2];
+ u8 resv;
+ u8 cc_base;
+ u8 options[2]; /* offset 64 */
+ u8 br_max;
+ u8 br_min;
+ u8 vendor_sn[16];
+ u8 date_code[8];
+ u8 diag;
+ u8 enh_options;
+ u8 sff_revision;
+ u8 cc_ext;
+ u8 vendor_specific[32];
+ u8 resv2[128];
+};
+
+#define AUTO_DETECT_SFP_SUPPORT(_vha)\
+ (ql2xautodetectsfp && !_vha->vp_idx && \
+ (IS_QLA25XX(_vha->hw) || IS_QLA81XX(_vha->hw) ||\
+ IS_QLA83XX(_vha->hw) || IS_QLA27XX(_vha->hw)))
+
#define USER_CTRL_IRQ(_ha) (ql2xuctrlirq && QLA_TGT_MODE_ENABLED() && \
(IS_QLA27XX(_ha) || IS_QLA83XX(_ha)))
diff --git a/drivers/scsi/qla2xxx/qla_fw.h b/drivers/scsi/qla2xxx/qla_fw.h
index b9c9886e8b1d..bec641aae7b3 100644
--- a/drivers/scsi/qla2xxx/qla_fw.h
+++ b/drivers/scsi/qla2xxx/qla_fw.h
@@ -1699,6 +1699,15 @@ struct access_chip_rsp_84xx {
#define FAC_OPT_CMD_UNLOCK_SEMAPHORE 0x04
#define FAC_OPT_CMD_GET_SECTOR_SIZE 0x05
+/* enhanced features bit definitions */
+#define NEF_LR_DIST_ENABLE BIT_0
+
+/* LR Distance bit positions */
+#define LR_DIST_NV_POS 2
+#define LR_DIST_FW_POS 12
+#define LR_DIST_FW_SHIFT (LR_DIST_FW_POS - LR_DIST_NV_POS)
+#define LR_DIST_FW_FIELD(x) ((x) << LR_DIST_FW_SHIFT & 0xf000)
+
struct nvram_81xx {
/* NVRAM header. */
uint8_t id[4];
@@ -1745,7 +1754,9 @@ struct nvram_81xx {
uint16_t reserved_6_3[14];
/* Offset 192. */
- uint16_t reserved_7[32];
+ uint8_t min_link_speed;
+ uint8_t reserved_7_0;
+ uint16_t reserved_7[31];
/*
* BIT 0 = Enable spinup delay
@@ -1839,16 +1850,13 @@ struct nvram_81xx {
uint8_t reserved_21[16];
uint16_t reserved_22[3];
- /*
- * BIT 0 = Extended BB credits for LR
- * BIT 1 = Virtual Fabric Enable
- * BIT 2 = Enhanced Features Unused
- * BIT 3-7 = Enhanced Features Reserved
+ /* Offset 406 (0x196) Enhanced Features
+ * BIT 0 = Extended BB credits for LR
+ * BIT 1 = Virtual Fabric Enable
+ * BIT 2-5 = Distance Support if BIT 0 is on
+ * BIT 6-15 = Unused
*/
- /* Enhanced Features */
- uint8_t enhanced_features;
-
- uint8_t reserved_23;
+ uint16_t enhanced_features;
uint16_t reserved_24[4];
/* Offset 416. */
diff --git a/drivers/scsi/qla2xxx/qla_gbl.h b/drivers/scsi/qla2xxx/qla_gbl.h
index cadb6e3baacc..f852ca60c49f 100644
--- a/drivers/scsi/qla2xxx/qla_gbl.h
+++ b/drivers/scsi/qla2xxx/qla_gbl.h
@@ -10,17 +10,6 @@
#include <linux/interrupt.h>
/*
- * Global functions prototype in qla_nvme.c source file.
- */
-extern void qla_nvme_register_hba(scsi_qla_host_t *);
-extern int qla_nvme_register_remote(scsi_qla_host_t *, fc_port_t *);
-extern void qla_nvme_delete(scsi_qla_host_t *);
-extern void qla_nvme_abort(struct qla_hw_data *, srb_t *sp);
-extern void qla24xx_nvme_ls4_iocb(scsi_qla_host_t *, struct pt_ls4_request *,
- struct req_que *);
-extern void qla24xx_async_gffid_sp_done(void *, int);
-
-/*
* Global Function Prototypes in qla_init.c source file.
*/
extern int qla2x00_initialize_adapter(scsi_qla_host_t *);
@@ -116,13 +105,15 @@ int qla24xx_async_notify_ack(scsi_qla_host_t *, fc_port_t *,
int qla24xx_post_newsess_work(struct scsi_qla_host *, port_id_t *, u8 *,
void *);
int qla24xx_fcport_handle_login(struct scsi_qla_host *, fc_port_t *);
-
+int qla24xx_detect_sfp(scsi_qla_host_t *vha);
+int qla24xx_post_gpdb_work(struct scsi_qla_host *, fc_port_t *, u8);
/*
* Global Data in qla_os.c source file.
*/
extern char qla2x00_version_str[];
extern struct kmem_cache *srb_cachep;
+extern struct kmem_cache *qla_tgt_plogi_cachep;
extern int ql2xlogintimeout;
extern int qlport_down_retry;
@@ -153,6 +144,7 @@ extern int ql2xfwholdabts;
extern int ql2xmvasynctoatio;
extern int ql2xuctrlirq;
extern int ql2xnvmeenable;
+extern int ql2xautodetectsfp;
extern int qla2x00_loop_reset(scsi_qla_host_t *);
extern void qla2x00_abort_all_cmds(scsi_qla_host_t *, int);
@@ -495,6 +487,9 @@ int qla24xx_gidlist_wait(struct scsi_qla_host *, void *, dma_addr_t,
int __qla24xx_parse_gpdb(struct scsi_qla_host *, fc_port_t *,
struct port_database_24xx *);
+extern int qla27xx_get_zio_threshold(scsi_qla_host_t *, uint16_t *);
+extern int qla27xx_set_zio_threshold(scsi_qla_host_t *, uint16_t);
+
/*
* Global Function Prototypes in qla_isr.c source file.
*/
@@ -804,6 +799,7 @@ extern char *qdev_state(uint32_t);
extern void qla82xx_clear_pending_mbx(scsi_qla_host_t *);
extern int qla82xx_read_temperature(scsi_qla_host_t *);
extern int qla8044_read_temperature(scsi_qla_host_t *);
+extern int qla2x00_read_sfp_dev(struct scsi_qla_host *, char *, int);
/* BSG related functions */
extern int qla24xx_bsg_request(struct bsg_job *);
@@ -873,4 +869,6 @@ void qlt_update_host_map(struct scsi_qla_host *, port_id_t);
void qlt_remove_target_resources(struct qla_hw_data *);
void qlt_clr_qp_table(struct scsi_qla_host *vha);
+void qla_nvme_cmpl_io(struct srb_iocb *);
+
#endif /* _QLA_GBL_H */
diff --git a/drivers/scsi/qla2xxx/qla_gs.c b/drivers/scsi/qla2xxx/qla_gs.c
index b323a7c71eda..bc3db6abc9a0 100644
--- a/drivers/scsi/qla2xxx/qla_gs.c
+++ b/drivers/scsi/qla2xxx/qla_gs.c
@@ -2816,13 +2816,19 @@ void qla24xx_handle_gidpn_event(scsi_qla_host_t *vha, struct event_arg *ea)
case MODE_INITIATOR:
case MODE_DUAL:
default:
+ ql_dbg(ql_dbg_disc, vha, 0x201f,
+ "%s %d %8phC post %s\n", __func__,
+ __LINE__, fcport->port_name,
+ (atomic_read(&fcport->state) ==
+ FCS_ONLINE) ? "gpdb" : "gnl");
+
if (atomic_read(&fcport->state) ==
FCS_ONLINE)
- break;
- ql_dbg(ql_dbg_disc, vha, 0x201f,
- "%s %d %8phC post gnl\n",
- __func__, __LINE__, fcport->port_name);
- qla24xx_post_gnl_work(vha, fcport);
+ qla24xx_post_gpdb_work(vha,
+ fcport, PDO_FORCE_ADISC);
+ else
+ qla24xx_post_gnl_work(vha,
+ fcport);
break;
}
} else { /* fcport->d_id.b24 != ea->id.b24 */
@@ -3080,7 +3086,7 @@ int qla24xx_async_gpsc(scsi_qla_host_t *vha, fc_port_t *fcport)
GPSC_RSP_SIZE);
/* GPSC req */
- memcpy(ct_req->req.gpsc.port_name, fcport->port_name,
+ memcpy(ct_req->req.gpsc.port_name, fcport->fabric_port_name,
WWN_SIZE);
sp->u.iocb_cmd.u.ctarg.req = fcport->ct_desc.ct_sns;
diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c
index 072ad1aa5505..b5b48ddca962 100644
--- a/drivers/scsi/qla2xxx/qla_init.c
+++ b/drivers/scsi/qla2xxx/qla_init.c
@@ -36,7 +36,6 @@ static int qla2x00_restart_isp(scsi_qla_host_t *);
static struct qla_chip_state_84xx *qla84xx_get_chip(struct scsi_qla_host *);
static int qla84xx_init_chip(scsi_qla_host_t *);
static int qla25xx_init_queues(struct qla_hw_data *);
-static int qla24xx_post_gpdb_work(struct scsi_qla_host *, fc_port_t *, u8);
static int qla24xx_post_prli_work(struct scsi_qla_host*, fc_port_t *);
static void qla24xx_handle_plogi_done_event(struct scsi_qla_host *,
struct event_arg *);
@@ -774,8 +773,7 @@ done_free_sp:
return rval;
}
-static int qla24xx_post_gpdb_work(struct scsi_qla_host *vha, fc_port_t *fcport,
- u8 opt)
+int qla24xx_post_gpdb_work(struct scsi_qla_host *vha, fc_port_t *fcport, u8 opt)
{
struct qla_work_evt *e;
@@ -808,6 +806,12 @@ int qla24xx_async_gpdb(struct scsi_qla_host *vha, fc_port_t *fcport, u8 opt)
if (!sp)
goto done;
+ sp->type = SRB_MB_IOCB;
+ sp->name = "gpdb";
+ sp->gen1 = fcport->rscn_gen;
+ sp->gen2 = fcport->login_gen;
+ qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2);
+
pd = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &pd_dma);
if (pd == NULL) {
ql_log(ql_log_warn, vha, 0xd043,
@@ -816,12 +820,6 @@ int qla24xx_async_gpdb(struct scsi_qla_host *vha, fc_port_t *fcport, u8 opt)
}
memset(pd, 0, max(PORT_DATABASE_SIZE, PORT_DATABASE_24XX_SIZE));
- sp->type = SRB_MB_IOCB;
- sp->name = "gpdb";
- sp->gen1 = fcport->rscn_gen;
- sp->gen2 = fcport->login_gen;
- qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2);
-
mb = sp->u.iocb_cmd.u.mbx.out_mb;
mb[0] = MBC_GET_PORT_DATABASE;
mb[1] = fcport->loop_id;
@@ -1466,6 +1464,7 @@ qla24xx_handle_plogi_done_event(struct scsi_qla_host *vha, struct event_arg *ea)
__func__, __LINE__, ea->fcport->port_name);
ea->fcport->chip_reset = vha->hw->base_qpair->chip_reset;
ea->fcport->logout_on_delete = 1;
+ ea->fcport->send_els_logo = 0;
qla24xx_post_gpdb_work(vha, ea->fcport, 0);
}
break;
@@ -2823,6 +2822,147 @@ qla2x00_alloc_outstanding_cmds(struct qla_hw_data *ha, struct req_que *req)
return QLA_SUCCESS;
}
+#define PRINT_FIELD(_field, _flag, _str) { \
+ if (a0->_field & _flag) {\
+ if (p) {\
+ strcat(ptr, "|");\
+ ptr++;\
+ leftover--;\
+ } \
+ len = snprintf(ptr, leftover, "%s", _str); \
+ p = 1;\
+ leftover -= len;\
+ ptr += len; \
+ } \
+}
+
+static void qla2xxx_print_sfp_info(struct scsi_qla_host *vha)
+{
+#define STR_LEN 64
+ struct sff_8247_a0 *a0 = (struct sff_8247_a0 *)vha->hw->sfp_data;
+ u8 str[STR_LEN], *ptr, p;
+ int leftover, len;
+
+ memset(str, 0, STR_LEN);
+ snprintf(str, SFF_VEN_NAME_LEN+1, a0->vendor_name);
+ ql_dbg(ql_dbg_init, vha, 0x015a,
+ "SFP MFG Name: %s\n", str);
+
+ memset(str, 0, STR_LEN);
+ snprintf(str, SFF_PART_NAME_LEN+1, a0->vendor_pn);
+ ql_dbg(ql_dbg_init, vha, 0x015c,
+ "SFP Part Name: %s\n", str);
+
+ /* media */
+ memset(str, 0, STR_LEN);
+ ptr = str;
+ leftover = STR_LEN;
+ p = len = 0;
+ PRINT_FIELD(fc_med_cc9, FC_MED_TW, "Twin AX");
+ PRINT_FIELD(fc_med_cc9, FC_MED_TP, "Twisted Pair");
+ PRINT_FIELD(fc_med_cc9, FC_MED_MI, "Min Coax");
+ PRINT_FIELD(fc_med_cc9, FC_MED_TV, "Video Coax");
+ PRINT_FIELD(fc_med_cc9, FC_MED_M6, "MultiMode 62.5um");
+ PRINT_FIELD(fc_med_cc9, FC_MED_M5, "MultiMode 50um");
+ PRINT_FIELD(fc_med_cc9, FC_MED_SM, "SingleMode");
+ ql_dbg(ql_dbg_init, vha, 0x0160,
+ "SFP Media: %s\n", str);
+
+ /* link length */
+ memset(str, 0, STR_LEN);
+ ptr = str;
+ leftover = STR_LEN;
+ p = len = 0;
+ PRINT_FIELD(fc_ll_cc7, FC_LL_VL, "Very Long");
+ PRINT_FIELD(fc_ll_cc7, FC_LL_S, "Short");
+ PRINT_FIELD(fc_ll_cc7, FC_LL_I, "Intermediate");
+ PRINT_FIELD(fc_ll_cc7, FC_LL_L, "Long");
+ PRINT_FIELD(fc_ll_cc7, FC_LL_M, "Medium");
+ ql_dbg(ql_dbg_init, vha, 0x0196,
+ "SFP Link Length: %s\n", str);
+
+ memset(str, 0, STR_LEN);
+ ptr = str;
+ leftover = STR_LEN;
+ p = len = 0;
+ PRINT_FIELD(fc_ll_cc7, FC_LL_SA, "Short Wave (SA)");
+ PRINT_FIELD(fc_ll_cc7, FC_LL_LC, "Long Wave(LC)");
+ PRINT_FIELD(fc_tec_cc8, FC_TEC_SN, "Short Wave (SN)");
+ PRINT_FIELD(fc_tec_cc8, FC_TEC_SL, "Short Wave (SL)");
+ PRINT_FIELD(fc_tec_cc8, FC_TEC_LL, "Long Wave (LL)");
+ ql_dbg(ql_dbg_init, vha, 0x016e,
+ "SFP FC Link Tech: %s\n", str);
+
+ if (a0->length_km)
+ ql_dbg(ql_dbg_init, vha, 0x016f,
+ "SFP Distant: %d km\n", a0->length_km);
+ if (a0->length_100m)
+ ql_dbg(ql_dbg_init, vha, 0x0170,
+ "SFP Distant: %d m\n", a0->length_100m*100);
+ if (a0->length_50um_10m)
+ ql_dbg(ql_dbg_init, vha, 0x0189,
+ "SFP Distant (WL=50um): %d m\n", a0->length_50um_10m * 10);
+ if (a0->length_62um_10m)
+ ql_dbg(ql_dbg_init, vha, 0x018a,
+ "SFP Distant (WL=62.5um): %d m\n", a0->length_62um_10m * 10);
+ if (a0->length_om4_10m)
+ ql_dbg(ql_dbg_init, vha, 0x0194,
+ "SFP Distant (OM4): %d m\n", a0->length_om4_10m * 10);
+ if (a0->length_om3_10m)
+ ql_dbg(ql_dbg_init, vha, 0x0195,
+ "SFP Distant (OM3): %d m\n", a0->length_om3_10m * 10);
+}
+
+
+/*
+ * Return Code:
+ * QLA_SUCCESS: no action
+ * QLA_INTERFACE_ERROR: SFP is not there.
+ * QLA_FUNCTION_FAILED: detected New SFP
+ */
+int
+qla24xx_detect_sfp(scsi_qla_host_t *vha)
+{
+ int rc = QLA_SUCCESS;
+ struct sff_8247_a0 *a;
+ struct qla_hw_data *ha = vha->hw;
+
+ if (!AUTO_DETECT_SFP_SUPPORT(vha))
+ goto out;
+
+ rc = qla2x00_read_sfp_dev(vha, NULL, 0);
+ if (rc)
+ goto out;
+
+ a = (struct sff_8247_a0 *)vha->hw->sfp_data;
+ qla2xxx_print_sfp_info(vha);
+
+ if (a->fc_ll_cc7 & FC_LL_VL || a->fc_ll_cc7 & FC_LL_L) {
+ /* long range */
+ ha->flags.detected_lr_sfp = 1;
+
+ if (a->length_km > 5 || a->length_100m > 50)
+ ha->long_range_distance = LR_DISTANCE_10K;
+ else
+ ha->long_range_distance = LR_DISTANCE_5K;
+
+ if (ha->flags.detected_lr_sfp != ha->flags.using_lr_setting)
+ ql_dbg(ql_dbg_async, vha, 0x507b,
+ "Detected Long Range SFP.\n");
+ } else {
+ /* short range */
+ ha->flags.detected_lr_sfp = 0;
+ if (ha->flags.using_lr_setting)
+ ql_dbg(ql_dbg_async, vha, 0x5084,
+ "Detected Short Range SFP.\n");
+ }
+
+ if (!vha->flags.init_done)
+ rc = QLA_SUCCESS;
+out:
+ return rc;
+}
+
/**
* qla2x00_setup_chip() - Load and start RISC firmware.
* @ha: HA context
@@ -2879,6 +3019,8 @@ qla2x00_setup_chip(scsi_qla_host_t *vha)
rval = qla2x00_execute_fw(vha, srisc_address);
/* Retrieve firmware information. */
if (rval == QLA_SUCCESS) {
+ qla24xx_detect_sfp(vha);
+
rval = qla2x00_set_exlogins_buffer(vha);
if (rval != QLA_SUCCESS)
goto failed;
@@ -4609,24 +4751,16 @@ qla2x00_configure_fabric(scsi_qla_host_t *vha)
qla2x00_fdmi_register(vha);
/* Ensure we are logged into the SNS. */
- if (IS_FWI2_CAPABLE(ha))
- loop_id = NPH_SNS;
- else
- loop_id = SIMPLE_NAME_SERVER;
+ loop_id = NPH_SNS_LID(ha);
rval = ha->isp_ops->fabric_login(vha, loop_id, 0xff, 0xff,
0xfc, mb, BIT_1|BIT_0);
- if (rval != QLA_SUCCESS) {
+ if (rval != QLA_SUCCESS || mb[0] != MBS_COMMAND_COMPLETE) {
+ ql_dbg(ql_dbg_disc, vha, 0x20a1,
+ "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x mb[2]=%x mb[6]=%x mb[7]=%x (%x).\n",
+ loop_id, mb[0], mb[1], mb[2], mb[6], mb[7], rval);
set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
return rval;
}
- if (mb[0] != MBS_COMMAND_COMPLETE) {
- ql_dbg(ql_dbg_disc, vha, 0x20a1,
- "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x mb[2]=%x "
- "mb[6]=%x mb[7]=%x.\n", loop_id, mb[0], mb[1],
- mb[2], mb[6], mb[7]);
- return (QLA_SUCCESS);
- }
-
if (test_and_clear_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags)) {
if (qla2x00_rft_id(vha)) {
/* EMPTY */
@@ -4804,6 +4938,7 @@ qla2x00_find_all_fabric_devs(scsi_qla_host_t *vha)
new_fcport->fc4_type = swl[swl_idx].fc4_type;
new_fcport->nvme_flag = 0;
+ new_fcport->fc4f_nvme = 0;
if (vha->flags.nvme_enabled &&
swl[swl_idx].fc4f_nvme) {
new_fcport->fc4f_nvme =
@@ -5913,7 +6048,7 @@ qla2x00_abort_isp(scsi_qla_host_t *vha)
if (!status) {
ql_dbg(ql_dbg_taskm, vha, 0x8022, "%s succeeded.\n", __func__);
-
+ qla2x00_configure_hba(vha);
spin_lock_irqsave(&ha->vport_slock, flags);
list_for_each_entry(vp, &ha->vp_list, list) {
if (vp->vp_idx) {
@@ -7804,7 +7939,9 @@ struct qla_qpair *qla2xxx_create_qpair(struct scsi_qla_host *vha, int qos,
ha->queue_pair_map[qpair_id] = qpair;
qpair->id = qpair_id;
qpair->vp_idx = vp_idx;
+ qpair->fw_started = ha->flags.fw_started;
INIT_LIST_HEAD(&qpair->hints_list);
+ INIT_LIST_HEAD(&qpair->nvme_done_list);
qpair->chip_reset = ha->base_qpair->chip_reset;
qpair->enable_class_2 = ha->base_qpair->enable_class_2;
qpair->enable_explicit_conf =
diff --git a/drivers/scsi/qla2xxx/qla_iocb.c b/drivers/scsi/qla2xxx/qla_iocb.c
index a36c485fae50..2f94159186d7 100644
--- a/drivers/scsi/qla2xxx/qla_iocb.c
+++ b/drivers/scsi/qla2xxx/qla_iocb.c
@@ -2682,12 +2682,12 @@ qla24xx_ct_iocb(srb_t *sp, struct ct_entry_24xx *ct_iocb)
uint32_t *cur_dsd;
struct scatterlist *sg;
int index;
- uint16_t tot_dsds;
+ uint16_t cmd_dsds, rsp_dsds;
scsi_qla_host_t *vha = sp->vha;
struct qla_hw_data *ha = vha->hw;
struct bsg_job *bsg_job = sp->u.bsg_job;
- int loop_iterartion = 0;
int entry_count = 1;
+ cont_a64_entry_t *cont_pkt = NULL;
ct_iocb->entry_type = CT_IOCB_TYPE;
ct_iocb->entry_status = 0;
@@ -2698,30 +2698,46 @@ qla24xx_ct_iocb(srb_t *sp, struct ct_entry_24xx *ct_iocb)
ct_iocb->vp_index = sp->vha->vp_idx;
ct_iocb->comp_status = cpu_to_le16(0);
- ct_iocb->cmd_dsd_count =
- cpu_to_le16(bsg_job->request_payload.sg_cnt);
+ cmd_dsds = bsg_job->request_payload.sg_cnt;
+ rsp_dsds = bsg_job->reply_payload.sg_cnt;
+
+ ct_iocb->cmd_dsd_count = cpu_to_le16(cmd_dsds);
ct_iocb->timeout = 0;
- ct_iocb->rsp_dsd_count =
- cpu_to_le16(bsg_job->reply_payload.sg_cnt);
- ct_iocb->rsp_byte_count =
- cpu_to_le32(bsg_job->reply_payload.payload_len);
+ ct_iocb->rsp_dsd_count = cpu_to_le16(rsp_dsds);
ct_iocb->cmd_byte_count =
cpu_to_le32(bsg_job->request_payload.payload_len);
- ct_iocb->dseg_0_address[0] = cpu_to_le32(LSD(sg_dma_address
- (bsg_job->request_payload.sg_list)));
- ct_iocb->dseg_0_address[1] = cpu_to_le32(MSD(sg_dma_address
- (bsg_job->request_payload.sg_list)));
- ct_iocb->dseg_0_len = cpu_to_le32(sg_dma_len
- (bsg_job->request_payload.sg_list));
- avail_dsds = 1;
- cur_dsd = (uint32_t *)ct_iocb->dseg_1_address;
+ avail_dsds = 2;
+ cur_dsd = (uint32_t *)ct_iocb->dseg_0_address;
index = 0;
- tot_dsds = bsg_job->reply_payload.sg_cnt;
- for_each_sg(bsg_job->reply_payload.sg_list, sg, tot_dsds, index) {
+ for_each_sg(bsg_job->request_payload.sg_list, sg, cmd_dsds, index) {
+ dma_addr_t sle_dma;
+
+ /* Allocate additional continuation packets? */
+ if (avail_dsds == 0) {
+ /*
+ * Five DSDs are available in the Cont.
+ * Type 1 IOCB.
+ */
+ cont_pkt = qla2x00_prep_cont_type1_iocb(
+ vha, ha->req_q_map[0]);
+ cur_dsd = (uint32_t *) cont_pkt->dseg_0_address;
+ avail_dsds = 5;
+ entry_count++;
+ }
+
+ sle_dma = sg_dma_address(sg);
+ *cur_dsd++ = cpu_to_le32(LSD(sle_dma));
+ *cur_dsd++ = cpu_to_le32(MSD(sle_dma));
+ *cur_dsd++ = cpu_to_le32(sg_dma_len(sg));
+ avail_dsds--;
+ }
+
+ index = 0;
+
+ for_each_sg(bsg_job->reply_payload.sg_list, sg, rsp_dsds, index) {
dma_addr_t sle_dma;
- cont_a64_entry_t *cont_pkt;
/* Allocate additional continuation packets? */
if (avail_dsds == 0) {
@@ -2740,7 +2756,6 @@ qla24xx_ct_iocb(srb_t *sp, struct ct_entry_24xx *ct_iocb)
*cur_dsd++ = cpu_to_le32(LSD(sle_dma));
*cur_dsd++ = cpu_to_le32(MSD(sle_dma));
*cur_dsd++ = cpu_to_le32(sg_dma_len(sg));
- loop_iterartion++;
avail_dsds--;
}
ct_iocb->entry_count = entry_count;
diff --git a/drivers/scsi/qla2xxx/qla_isr.c b/drivers/scsi/qla2xxx/qla_isr.c
index 7b3b702ef622..9d9668aac6f6 100644
--- a/drivers/scsi/qla2xxx/qla_isr.c
+++ b/drivers/scsi/qla2xxx/qla_isr.c
@@ -14,6 +14,8 @@
#include <scsi/scsi_tcq.h>
#include <scsi/scsi_bsg_fc.h>
#include <scsi/scsi_eh.h>
+#include <scsi/fc/fc_fs.h>
+#include <linux/nvme-fc-driver.h>
static void qla2x00_mbx_completion(scsi_qla_host_t *, uint16_t);
static void qla2x00_status_entry(scsi_qla_host_t *, struct rsp_que *, void *);
@@ -452,7 +454,7 @@ qla83xx_handle_8200_aen(scsi_qla_host_t *vha, uint16_t *mb)
uint16_t peg_fw_state, nw_interface_link_up;
uint16_t nw_interface_signal_detect, sfp_status;
uint16_t htbt_counter, htbt_monitor_enable;
- uint16_t sfp_additonal_info, sfp_multirate;
+ uint16_t sfp_additional_info, sfp_multirate;
uint16_t sfp_tx_fault, link_speed, dcbx_status;
/*
@@ -492,7 +494,7 @@ qla83xx_handle_8200_aen(scsi_qla_host_t *vha, uint16_t *mb)
sfp_status = ((mb[2] & 0x0c00) >> 10);
htbt_counter = ((mb[2] & 0x7000) >> 12);
htbt_monitor_enable = ((mb[2] & 0x8000) >> 15);
- sfp_additonal_info = (mb[6] & 0x0003);
+ sfp_additional_info = (mb[6] & 0x0003);
sfp_multirate = ((mb[6] & 0x0004) >> 2);
sfp_tx_fault = ((mb[6] & 0x0008) >> 3);
link_speed = ((mb[6] & 0x0070) >> 4);
@@ -507,9 +509,9 @@ qla83xx_handle_8200_aen(scsi_qla_host_t *vha, uint16_t *mb)
sfp_status);
ql_log(ql_log_warn, vha, 0x5067,
"htbt_counter=0x%x, htbt_monitor_enable=0x%x, "
- "sfp_additonal_info=0x%x, sfp_multirate=0x%x.\n ",
+ "sfp_additional_info=0x%x, sfp_multirate=0x%x.\n ",
htbt_counter, htbt_monitor_enable,
- sfp_additonal_info, sfp_multirate);
+ sfp_additional_info, sfp_multirate);
ql_log(ql_log_warn, vha, 0x5068,
"sfp_tx_fault=0x%x, link_state=0x%x, "
"dcbx_status=0x%x.\n", sfp_tx_fault, link_speed,
@@ -799,6 +801,11 @@ skip_rio:
vha->flags.management_server_logged_in = 0;
qla2x00_post_aen_work(vha, FCH_EVT_LINKUP, ha->link_data_rate);
+
+ if (AUTO_DETECT_SFP_SUPPORT(vha)) {
+ set_bit(DETECT_SFP_CHANGE, &vha->dpc_flags);
+ qla2xxx_wake_dpc(vha);
+ }
break;
case MBA_LOOP_DOWN: /* Loop Down Event */
@@ -1228,6 +1235,11 @@ global_port_update:
schedule_work(&ha->board_disable);
break;
+ case MBA_TRANS_INSERT:
+ ql_dbg(ql_dbg_async, vha, 0x5091,
+ "Transceiver Insertion: %04x\n", mb[1]);
+ break;
+
default:
ql_dbg(ql_dbg_async, vha, 0x5057,
"Unknown AEN:%04x %04x %04x %04x\n",
@@ -1537,8 +1549,6 @@ qla24xx_els_ct_entry(scsi_qla_host_t *vha, struct req_que *req,
sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
if (!sp)
return;
- bsg_job = sp->u.bsg_job;
- bsg_reply = bsg_job->reply;
type = NULL;
switch (sp->type) {
@@ -1577,6 +1587,8 @@ qla24xx_els_ct_entry(scsi_qla_host_t *vha, struct req_que *req,
/* return FC_CTELS_STATUS_OK and leave the decoding of the ELS/CT
* fc payload to the caller
*/
+ bsg_job = sp->u.bsg_job;
+ bsg_reply = bsg_job->reply;
bsg_reply->reply_data.ctels_reply.status = FC_CTELS_STATUS_OK;
bsg_job->reply_len = sizeof(struct fc_bsg_reply) + sizeof(fw_status);
@@ -1823,7 +1835,7 @@ qla24xx_nvme_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, void *tsk)
nvme = &sp->u.iocb_cmd;
if (unlikely(nvme->u.nvme.aen_op))
- atomic_dec(&sp->vha->nvme_active_aen_cnt);
+ atomic_dec(&sp->vha->hw->nvme_active_aen_cnt);
/*
* State flags: Bit 6 and 0.
@@ -1856,17 +1868,42 @@ qla24xx_nvme_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, void *tsk)
fd->transferred_length = fd->payload_length -
le32_to_cpu(sts->residual_len);
+ /*
+ * If transport error then Failure (HBA rejects request)
+ * otherwise transport will handle.
+ */
if (sts->entry_status) {
ql_log(ql_log_warn, fcport->vha, 0x5038,
"NVME-%s error - hdl=%x entry-status(%x).\n",
sp->name, sp->handle, sts->entry_status);
ret = QLA_FUNCTION_FAILED;
- } else if (sts->comp_status != cpu_to_le16(CS_COMPLETE)) {
- ql_log(ql_log_warn, fcport->vha, 0x5039,
- "NVME-%s error - hdl=%x completion status(%x) resid=%x ox_id=%x\n",
- sp->name, sp->handle, sts->comp_status,
- le32_to_cpu(sts->residual_len), sts->ox_id);
- ret = QLA_FUNCTION_FAILED;
+ } else {
+ switch (le16_to_cpu(sts->comp_status)) {
+ case CS_COMPLETE:
+ ret = 0;
+ break;
+
+ case CS_ABORTED:
+ case CS_RESET:
+ case CS_PORT_UNAVAILABLE:
+ case CS_PORT_LOGGED_OUT:
+ case CS_PORT_BUSY:
+ ql_log(ql_log_warn, fcport->vha, 0x5060,
+ "NVME-%s ERR Handling - hdl=%x completion status(%x) resid=%x ox_id=%x\n",
+ sp->name, sp->handle, sts->comp_status,
+ le32_to_cpu(sts->residual_len), sts->ox_id);
+ fd->transferred_length = fd->payload_length;
+ ret = QLA_ABORTED;
+ break;
+
+ default:
+ ql_log(ql_log_warn, fcport->vha, 0x5060,
+ "NVME-%s error - hdl=%x completion status(%x) resid=%x ox_id=%x\n",
+ sp->name, sp->handle, sts->comp_status,
+ le32_to_cpu(sts->residual_len), sts->ox_id);
+ ret = QLA_FUNCTION_FAILED;
+ break;
+ }
}
sp->done(sp, ret);
}
@@ -2827,8 +2864,8 @@ qla24xx_abort_iocb_entry(scsi_qla_host_t *vha, struct req_que *req,
sp->done(sp, 0);
}
-void qla24xx_nvme_ls4_iocb(scsi_qla_host_t *vha, struct pt_ls4_request *pkt,
- struct req_que *req)
+void qla24xx_nvme_ls4_iocb(struct scsi_qla_host *vha,
+ struct pt_ls4_request *pkt, struct req_que *req)
{
srb_t *sp;
const char func[] = "LS4_IOCB";
@@ -3132,7 +3169,6 @@ qla24xx_msix_rsp_q(int irq, void *dev_id)
struct device_reg_24xx __iomem *reg;
struct scsi_qla_host *vha;
unsigned long flags;
- uint32_t stat = 0;
rsp = (struct rsp_que *) dev_id;
if (!rsp) {
@@ -3146,19 +3182,11 @@ qla24xx_msix_rsp_q(int irq, void *dev_id)
spin_lock_irqsave(&ha->hardware_lock, flags);
vha = pci_get_drvdata(ha->pdev);
- /*
- * Use host_status register to check to PCI disconnection before we
- * we process the response queue.
- */
- stat = RD_REG_DWORD(&reg->host_status);
- if (qla2x00_check_reg32_for_disconnect(vha, stat))
- goto out;
qla24xx_process_response_queue(vha, rsp);
if (!ha->flags.disable_msix_handshake) {
WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_INT);
RD_REG_DWORD_RELAXED(&reg->hccr);
}
-out:
spin_unlock_irqrestore(&ha->hardware_lock, flags);
return IRQ_HANDLED;
@@ -3429,7 +3457,7 @@ msix_register_fail:
}
/* Enable MSI-X vector for response queue update for queue 0 */
- if (IS_QLA25XX(ha) || IS_QLA83XX(ha) || IS_QLA27XX(ha)) {
+ if (IS_QLA83XX(ha) || IS_QLA27XX(ha)) {
if (ha->msixbase && ha->mqiobase &&
(ha->max_rsp_queues > 1 || ha->max_req_queues > 1 ||
ql2xmqsupport))
diff --git a/drivers/scsi/qla2xxx/qla_mbx.c b/drivers/scsi/qla2xxx/qla_mbx.c
index 7c6d1a404011..99502fa90810 100644
--- a/drivers/scsi/qla2xxx/qla_mbx.c
+++ b/drivers/scsi/qla2xxx/qla_mbx.c
@@ -54,6 +54,10 @@ static struct rom_cmd {
{ MBC_GET_MEM_OFFLOAD_CNTRL_STAT },
{ MBC_GET_RETRY_COUNT },
{ MBC_TRACE_CONTROL },
+ { MBC_INITIALIZE_MULTIQ },
+ { MBC_IOCB_COMMAND_A64 },
+ { MBC_GET_ADAPTER_LOOP_ID },
+ { MBC_READ_SFP },
};
static int is_rom_cmd(uint16_t cmd)
@@ -102,7 +106,6 @@ qla2x00_mailbox_command(scsi_qla_host_t *vha, mbx_cmd_t *mcp)
uint16_t __iomem *optr;
uint32_t cnt;
uint32_t mboxes;
- uint16_t __iomem *mbx_reg;
unsigned long wait_time;
struct qla_hw_data *ha = vha->hw;
scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
@@ -486,21 +489,24 @@ premature_exit:
mbx_done:
if (rval) {
- ql_dbg(ql_dbg_disc, base_vha, 0x1020,
- "**** Failed mbx[0]=%x, mb[1]=%x, mb[2]=%x, mb[3]=%x, cmd=%x ****.\n",
- mcp->mb[0], mcp->mb[1], mcp->mb[2], mcp->mb[3], command);
-
+ if (ql2xextended_error_logging & (ql_dbg_disc|ql_dbg_mbx)) {
+ pr_warn("%s [%s]-%04x:%ld: **** Failed", QL_MSGHDR,
+ dev_name(&ha->pdev->dev), 0x1020+0x800,
+ vha->host_no);
+ mboxes = mcp->in_mb;
+ cnt = 4;
+ for (i = 0; i < ha->mbx_count && cnt; i++, mboxes >>= 1)
+ if (mboxes & BIT_0) {
+ printk(" mb[%u]=%x", i, mcp->mb[i]);
+ cnt--;
+ }
+ pr_warn(" cmd=%x ****\n", command);
+ }
ql_dbg(ql_dbg_mbx, vha, 0x1198,
- "host status: 0x%x, flags:0x%lx, intr ctrl reg:0x%x, intr status:0x%x\n",
+ "host_status=%#x intr_ctrl=%#x intr_status=%#x\n",
RD_REG_DWORD(&reg->isp24.host_status),
- ha->fw_dump_cap_flags,
RD_REG_DWORD(&reg->isp24.ictrl),
RD_REG_DWORD(&reg->isp24.istatus));
-
- mbx_reg = &reg->isp24.mailbox0;
- for (i = 0; i < 6; i++)
- ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1199,
- "mbox[%d] 0x%04x\n", i, RD_REG_WORD(mbx_reg++));
} else {
ql_dbg(ql_dbg_mbx, base_vha, 0x1021, "Done %s.\n", __func__);
}
@@ -561,6 +567,28 @@ qla2x00_load_ram(scsi_qla_host_t *vha, dma_addr_t req_dma, uint32_t risc_addr,
#define EXTENDED_BB_CREDITS BIT_0
#define NVME_ENABLE_FLAG BIT_3
+static inline uint16_t qla25xx_set_sfp_lr_dist(struct qla_hw_data *ha)
+{
+ uint16_t mb4 = BIT_0;
+
+ if (IS_QLA83XX(ha) || IS_QLA27XX(ha))
+ mb4 |= ha->long_range_distance << LR_DIST_FW_POS;
+
+ return mb4;
+}
+
+static inline uint16_t qla25xx_set_nvr_lr_dist(struct qla_hw_data *ha)
+{
+ uint16_t mb4 = BIT_0;
+
+ if (IS_QLA83XX(ha) || IS_QLA27XX(ha)) {
+ struct nvram_81xx *nv = ha->nvram;
+
+ mb4 |= LR_DIST_FW_FIELD(nv->enhanced_features);
+ }
+
+ return mb4;
+}
/*
* qla2x00_execute_fw
@@ -595,17 +623,44 @@ qla2x00_execute_fw(scsi_qla_host_t *vha, uint32_t risc_addr)
mcp->mb[1] = MSW(risc_addr);
mcp->mb[2] = LSW(risc_addr);
mcp->mb[3] = 0;
+ mcp->mb[4] = 0;
+ ha->flags.using_lr_setting = 0;
if (IS_QLA25XX(ha) || IS_QLA81XX(ha) || IS_QLA83XX(ha) ||
IS_QLA27XX(ha)) {
- struct nvram_81xx *nv = ha->nvram;
- mcp->mb[4] = (nv->enhanced_features &
- EXTENDED_BB_CREDITS);
- } else
- mcp->mb[4] = 0;
+ if (ql2xautodetectsfp) {
+ if (ha->flags.detected_lr_sfp) {
+ mcp->mb[4] |=
+ qla25xx_set_sfp_lr_dist(ha);
+ ha->flags.using_lr_setting = 1;
+ }
+ } else {
+ struct nvram_81xx *nv = ha->nvram;
+ /* set LR distance if specified in nvram */
+ if (nv->enhanced_features &
+ NEF_LR_DIST_ENABLE) {
+ mcp->mb[4] |=
+ qla25xx_set_nvr_lr_dist(ha);
+ ha->flags.using_lr_setting = 1;
+ }
+ }
+ }
if (ql2xnvmeenable && IS_QLA27XX(ha))
mcp->mb[4] |= NVME_ENABLE_FLAG;
+ if (IS_QLA83XX(ha) || IS_QLA27XX(ha)) {
+ struct nvram_81xx *nv = ha->nvram;
+ /* set minimum speed if specified in nvram */
+ if (nv->min_link_speed >= 2 &&
+ nv->min_link_speed <= 5) {
+ mcp->mb[4] |= BIT_4;
+ mcp->mb[11] = nv->min_link_speed;
+ mcp->out_mb |= MBX_11;
+ mcp->in_mb |= BIT_5;
+ vha->min_link_speed_feat = nv->min_link_speed;
+ }
+ }
+
if (ha->flags.exlogins_enabled)
mcp->mb[4] |= ENABLE_EXTENDED_LOGIN;
@@ -613,7 +668,7 @@ qla2x00_execute_fw(scsi_qla_host_t *vha, uint32_t risc_addr)
mcp->mb[4] |= ENABLE_EXCHANGE_OFFLD;
mcp->out_mb |= MBX_4|MBX_3|MBX_2|MBX_1;
- mcp->in_mb |= MBX_1;
+ mcp->in_mb |= MBX_3 | MBX_2 | MBX_1;
} else {
mcp->mb[1] = LSW(risc_addr);
mcp->out_mb |= MBX_1;
@@ -632,12 +687,30 @@ qla2x00_execute_fw(scsi_qla_host_t *vha, uint32_t risc_addr)
"Failed=%x mb[0]=%x.\n", rval, mcp->mb[0]);
} else {
if (IS_FWI2_CAPABLE(ha)) {
- ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1027,
- "Done exchanges=%x.\n", mcp->mb[1]);
- } else {
- ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1028,
- "Done %s.\n", __func__);
+ ha->fw_ability_mask = mcp->mb[3] << 16 | mcp->mb[2];
+ ql_dbg(ql_dbg_mbx, vha, 0x119a,
+ "fw_ability_mask=%x.\n", ha->fw_ability_mask);
+ ql_dbg(ql_dbg_mbx, vha, 0x1027,
+ "exchanges=%x.\n", mcp->mb[1]);
+ if (IS_QLA83XX(ha) || IS_QLA27XX(ha)) {
+ ha->max_speed_sup = mcp->mb[2] & BIT_0;
+ ql_dbg(ql_dbg_mbx, vha, 0x119b,
+ "Maximum speed supported=%s.\n",
+ ha->max_speed_sup ? "32Gps" : "16Gps");
+ if (vha->min_link_speed_feat) {
+ ha->min_link_speed = mcp->mb[5];
+ ql_dbg(ql_dbg_mbx, vha, 0x119c,
+ "Minimum speed set=%s.\n",
+ mcp->mb[5] == 5 ? "32Gps" :
+ mcp->mb[5] == 4 ? "16Gps" :
+ mcp->mb[5] == 3 ? "8Gps" :
+ mcp->mb[5] == 2 ? "4Gps" :
+ "unknown");
+ }
+ }
}
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1028,
+ "Done.\n");
}
return rval;
@@ -947,20 +1020,12 @@ qla2x00_get_fw_version(scsi_qla_host_t *vha)
"%s: Firmware supports Exchange Offload 0x%x\n",
__func__, ha->fw_attributes_h);
- /* bit 26 of fw_attributes */
- if ((ha->fw_attributes_h & 0x400) && ql2xnvmeenable) {
- struct init_cb_24xx *icb;
-
- icb = (struct init_cb_24xx *)ha->init_cb;
- /*
- * fw supports nvme and driver load
- * parameter requested nvme
- */
+ /*
+ * FW supports nvme and driver load parameter requested nvme.
+ * BIT 26 of fw_attributes indicates NVMe support.
+ */
+ if ((ha->fw_attributes_h & 0x400) && ql2xnvmeenable)
vha->flags.nvme_enabled = 1;
- icb->firmware_options_2 &= cpu_to_le32(~0xf);
- ha->zio_mode = 0;
- ha->zio_timer = 0;
- }
}
@@ -1673,7 +1738,11 @@ qla2x00_init_firmware(scsi_qla_host_t *vha, uint16_t size)
"Failed=%x mb[0]=%x, mb[1]=%x, mb[2]=%x, mb[3]=%x,.\n",
rval, mcp->mb[0], mcp->mb[1], mcp->mb[2], mcp->mb[3]);
} else {
- /*EMPTY*/
+ if (IS_QLA27XX(ha)) {
+ if (mcp->mb[2] == 6 || mcp->mb[3] == 2)
+ ql_dbg(ql_dbg_mbx, vha, 0x119d,
+ "Invalid SFP/Validation Failed\n");
+ }
ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x104e,
"Done %s.\n", __func__);
}
@@ -1878,6 +1947,7 @@ qla2x00_get_firmware_state(scsi_qla_host_t *vha, uint16_t *states)
int rval;
mbx_cmd_t mc;
mbx_cmd_t *mcp = &mc;
+ struct qla_hw_data *ha = vha->hw;
ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1054,
"Entered %s.\n", __func__);
@@ -1906,7 +1976,11 @@ qla2x00_get_firmware_state(scsi_qla_host_t *vha, uint16_t *states)
/*EMPTY*/
ql_dbg(ql_dbg_mbx, vha, 0x1055, "Failed=%x.\n", rval);
} else {
- /*EMPTY*/
+ if (IS_QLA27XX(ha)) {
+ if (mcp->mb[2] == 6 || mcp->mb[3] == 2)
+ ql_dbg(ql_dbg_mbx, vha, 0x119e,
+ "Invalid SFP/Validation Failed\n");
+ }
ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1056,
"Done %s.\n", __func__);
}
@@ -3689,7 +3763,7 @@ qla24xx_report_id_acquisition(scsi_qla_host_t *vha,
if (qla_ini_mode_enabled(vha) &&
ha->flags.fawwpn_enabled &&
(rptid_entry->u.f1.flags &
- VP_FLAGS_NAME_VALID)) {
+ BIT_6)) {
memcpy(vha->port_name,
rptid_entry->u.f1.port_name,
WWN_SIZE);
@@ -4590,6 +4664,10 @@ qla2x00_read_sfp(scsi_qla_host_t *vha, dma_addr_t sfp_dma, uint8_t *sfp,
if (rval != QLA_SUCCESS) {
ql_dbg(ql_dbg_mbx, vha, 0x10e9,
"Failed=%x mb[0]=%x.\n", rval, mcp->mb[0]);
+ if (mcp->mb[0] == MBS_COMMAND_ERROR &&
+ mcp->mb[1] == 0x22)
+ /* sfp is not there */
+ rval = QLA_INTERFACE_ERROR;
} else {
ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x10ea,
"Done %s.\n", __func__);
@@ -5817,7 +5895,7 @@ qla26xx_dport_diagnostics(scsi_qla_host_t *vha,
dd_dma = dma_map_single(&vha->hw->pdev->dev,
dd_buf, size, DMA_FROM_DEVICE);
- if (!dd_dma) {
+ if (dma_mapping_error(&vha->hw->pdev->dev, dd_dma)) {
ql_log(ql_log_warn, vha, 0x1194, "Failed to map dma buffer.\n");
return QLA_MEMORY_ALLOC_FAILED;
}
@@ -6085,3 +6163,108 @@ int qla24xx_gidlist_wait(struct scsi_qla_host *vha,
done:
return rval;
}
+
+int qla27xx_set_zio_threshold(scsi_qla_host_t *vha, uint16_t value)
+{
+ int rval;
+ mbx_cmd_t mc;
+ mbx_cmd_t *mcp = &mc;
+
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1200,
+ "Entered %s\n", __func__);
+
+ memset(mcp->mb, 0 , sizeof(mcp->mb));
+ mcp->mb[0] = MBC_GET_SET_ZIO_THRESHOLD;
+ mcp->mb[1] = cpu_to_le16(1);
+ mcp->mb[2] = cpu_to_le16(value);
+ mcp->out_mb = MBX_2 | MBX_1 | MBX_0;
+ mcp->in_mb = MBX_2 | MBX_0;
+ mcp->tov = MBX_TOV_SECONDS;
+ mcp->flags = 0;
+
+ rval = qla2x00_mailbox_command(vha, mcp);
+
+ ql_dbg(ql_dbg_mbx, vha, 0x1201, "%s %x\n",
+ (rval != QLA_SUCCESS) ? "Failed" : "Done", rval);
+
+ return rval;
+}
+
+int qla27xx_get_zio_threshold(scsi_qla_host_t *vha, uint16_t *value)
+{
+ int rval;
+ mbx_cmd_t mc;
+ mbx_cmd_t *mcp = &mc;
+
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1203,
+ "Entered %s\n", __func__);
+
+ memset(mcp->mb, 0, sizeof(mcp->mb));
+ mcp->mb[0] = MBC_GET_SET_ZIO_THRESHOLD;
+ mcp->mb[1] = cpu_to_le16(0);
+ mcp->out_mb = MBX_1 | MBX_0;
+ mcp->in_mb = MBX_2 | MBX_0;
+ mcp->tov = MBX_TOV_SECONDS;
+ mcp->flags = 0;
+
+ rval = qla2x00_mailbox_command(vha, mcp);
+ if (rval == QLA_SUCCESS)
+ *value = mc.mb[2];
+
+ ql_dbg(ql_dbg_mbx, vha, 0x1205, "%s %x\n",
+ (rval != QLA_SUCCESS) ? "Failed" : "Done", rval);
+
+ return rval;
+}
+
+int
+qla2x00_read_sfp_dev(struct scsi_qla_host *vha, char *buf, int count)
+{
+ struct qla_hw_data *ha = vha->hw;
+ uint16_t iter, addr, offset;
+ dma_addr_t phys_addr;
+ int rval, c;
+ u8 *sfp_data;
+
+ memset(ha->sfp_data, 0, SFP_DEV_SIZE);
+ addr = 0xa0;
+ phys_addr = ha->sfp_data_dma;
+ sfp_data = ha->sfp_data;
+ offset = c = 0;
+
+ for (iter = 0; iter < SFP_DEV_SIZE / SFP_BLOCK_SIZE; iter++) {
+ if (iter == 4) {
+ /* Skip to next device address. */
+ addr = 0xa2;
+ offset = 0;
+ }
+
+ rval = qla2x00_read_sfp(vha, phys_addr, sfp_data,
+ addr, offset, SFP_BLOCK_SIZE, BIT_1);
+ if (rval != QLA_SUCCESS) {
+ ql_log(ql_log_warn, vha, 0x706d,
+ "Unable to read SFP data (%x/%x/%x).\n", rval,
+ addr, offset);
+
+ return rval;
+ }
+
+ if (buf && (c < count)) {
+ u16 sz;
+
+ if ((count - c) >= SFP_BLOCK_SIZE)
+ sz = SFP_BLOCK_SIZE;
+ else
+ sz = count - c;
+
+ memcpy(buf, sfp_data, sz);
+ buf += SFP_BLOCK_SIZE;
+ c += sz;
+ }
+ phys_addr += SFP_BLOCK_SIZE;
+ sfp_data += SFP_BLOCK_SIZE;
+ offset += SFP_BLOCK_SIZE;
+ }
+
+ return rval;
+}
diff --git a/drivers/scsi/qla2xxx/qla_mid.c b/drivers/scsi/qla2xxx/qla_mid.c
index f0605cd196fb..c0f8f6c17b79 100644
--- a/drivers/scsi/qla2xxx/qla_mid.c
+++ b/drivers/scsi/qla2xxx/qla_mid.c
@@ -74,7 +74,7 @@ qla24xx_deallocate_vp_id(scsi_qla_host_t *vha)
* ensures no active vp_list traversal while the vport is removed
* from the queue)
*/
- wait_event_timeout(vha->vref_waitq, atomic_read(&vha->vref_count),
+ wait_event_timeout(vha->vref_waitq, !atomic_read(&vha->vref_count),
10*HZ);
spin_lock_irqsave(&ha->vport_slock, flags);
@@ -187,6 +187,11 @@ qla24xx_enable_vp(scsi_qla_host_t *vha)
!(ha->current_topology & ISP_CFG_F)) {
vha->vp_err_state = VP_ERR_PORTDWN;
fc_vport_set_state(vha->fc_vport, FC_VPORT_LINKDOWN);
+ ql_dbg(ql_dbg_taskm, vha, 0x800b,
+ "%s skip enable. loop_state %x topo %x\n",
+ __func__, base_vha->loop_state.counter,
+ ha->current_topology);
+
goto enable_failed;
}
@@ -759,11 +764,18 @@ static void qla_do_work(struct work_struct *work)
struct qla_qpair *qpair = container_of(work, struct qla_qpair, q_work);
struct scsi_qla_host *vha;
struct qla_hw_data *ha = qpair->hw;
+ struct srb_iocb *nvme, *nxt_nvme;
spin_lock_irqsave(&qpair->qp_lock, flags);
vha = pci_get_drvdata(ha->pdev);
qla24xx_process_response_queue(vha, qpair->rsp);
spin_unlock_irqrestore(&qpair->qp_lock, flags);
+
+ list_for_each_entry_safe(nvme, nxt_nvme, &qpair->nvme_done_list,
+ u.nvme.entry) {
+ list_del_init(&nvme->u.nvme.entry);
+ qla_nvme_cmpl_io(nvme);
+ }
}
/* create response queue */
diff --git a/drivers/scsi/qla2xxx/qla_mr.c b/drivers/scsi/qla2xxx/qla_mr.c
index 10b742d27e16..e23a3d4c36f3 100644
--- a/drivers/scsi/qla2xxx/qla_mr.c
+++ b/drivers/scsi/qla2xxx/qla_mr.c
@@ -1819,6 +1819,10 @@ qlafx00_fx_disc(scsi_qla_host_t *vha, fc_port_t *fcport, uint16_t fx_type)
if (!sp)
goto done;
+ sp->type = SRB_FXIOCB_DCMD;
+ sp->name = "fxdisc";
+ qla2x00_init_timer(sp, FXDISC_TIMEOUT);
+
fdisc = &sp->u.iocb_cmd;
switch (fx_type) {
case FXDISC_GET_CONFIG_INFO:
@@ -1920,9 +1924,6 @@ qlafx00_fx_disc(scsi_qla_host_t *vha, fc_port_t *fcport, uint16_t fx_type)
goto done_unmap_req;
}
- sp->type = SRB_FXIOCB_DCMD;
- sp->name = "fxdisc";
- qla2x00_init_timer(sp, FXDISC_TIMEOUT);
fdisc->timeout = qla2x00_fxdisc_iocb_timeout;
fdisc->u.fxiocb.req_func_type = cpu_to_le16(fx_type);
sp->done = qla2x00_fxdisc_sp_done;
diff --git a/drivers/scsi/qla2xxx/qla_nvme.c b/drivers/scsi/qla2xxx/qla_nvme.c
index f3710a75fe1f..1f59e7a74c7b 100644
--- a/drivers/scsi/qla2xxx/qla_nvme.c
+++ b/drivers/scsi/qla2xxx/qla_nvme.c
@@ -5,7 +5,6 @@
* See LICENSE.qla2xxx for copyright and licensing details.
*/
#include "qla_nvme.h"
-#include "qla_def.h"
#include <linux/scatterlist.h>
#include <linux/delay.h>
#include <linux/nvme.h>
@@ -15,7 +14,7 @@ static struct nvme_fc_port_template qla_nvme_fc_transport;
static void qla_nvme_unregister_remote_port(struct work_struct *);
-int qla_nvme_register_remote(scsi_qla_host_t *vha, fc_port_t *fcport)
+int qla_nvme_register_remote(struct scsi_qla_host *vha, struct fc_port *fcport)
{
struct nvme_rport *rport;
int ret;
@@ -61,8 +60,8 @@ int qla_nvme_register_remote(scsi_qla_host_t *vha, fc_port_t *fcport)
rport->req.port_id = fcport->d_id.b24;
ql_log(ql_log_info, vha, 0x2102,
- "%s: traddr=pn-0x%016llx:nn-0x%016llx PortID:%06x\n",
- __func__, rport->req.port_name, rport->req.node_name,
+ "%s: traddr=nn-0x%016llx:pn-0x%016llx PortID:%06x\n",
+ __func__, rport->req.node_name, rport->req.port_name,
rport->req.port_id);
ret = nvme_fc_register_remoteport(vha->nvme_local_port, &rport->req,
@@ -76,16 +75,14 @@ int qla_nvme_register_remote(scsi_qla_host_t *vha, fc_port_t *fcport)
fcport->nvme_remote_port->private = fcport;
fcport->nvme_flag |= NVME_FLAG_REGISTERED;
- atomic_set(&fcport->nvme_ref_count, 1);
- init_waitqueue_head(&fcport->nvme_waitQ);
rport->fcport = fcport;
list_add_tail(&rport->list, &vha->nvme_rport_list);
return 0;
}
/* Allocate a queue for NVMe traffic */
-static int qla_nvme_alloc_queue(struct nvme_fc_local_port *lport, unsigned int qidx,
- u16 qsize, void **handle)
+static int qla_nvme_alloc_queue(struct nvme_fc_local_port *lport,
+ unsigned int qidx, u16 qsize, void **handle)
{
struct scsi_qla_host *vha;
struct qla_hw_data *ha;
@@ -157,6 +154,16 @@ static void qla_nvme_sp_ls_done(void *ptr, int res)
qla2x00_rel_sp(sp);
}
+void qla_nvme_cmpl_io(struct srb_iocb *nvme)
+{
+ srb_t *sp;
+ struct nvmefc_fcp_req *fd = nvme->u.nvme.desc;
+
+ sp = container_of(nvme, srb_t, u.iocb_cmd);
+ fd->done(fd);
+ qla2xxx_rel_qpair_sp(sp->qpair, sp);
+}
+
static void qla_nvme_sp_done(void *ptr, int res)
{
srb_t *sp = ptr;
@@ -172,13 +179,14 @@ static void qla_nvme_sp_done(void *ptr, int res)
if (!(sp->fcport->nvme_flag & NVME_FLAG_REGISTERED))
goto rel;
- if (unlikely(nvme->u.nvme.comp_status || res))
- fd->status = -EINVAL;
+ if (unlikely(res == QLA_FUNCTION_FAILED))
+ fd->status = NVME_SC_FC_TRANSPORT_ERROR;
else
fd->status = 0;
fd->rcv_rsplen = nvme->u.nvme.rsp_pyld_len;
- fd->done(fd);
+ list_add_tail(&nvme->u.nvme.entry, &sp->qpair->nvme_done_list);
+ return;
rel:
qla2xxx_rel_qpair_sp(sp->qpair, sp);
}
@@ -193,13 +201,11 @@ static void qla_nvme_ls_abort(struct nvme_fc_local_port *lport,
struct qla_hw_data *ha = fcport->vha->hw;
rval = ha->isp_ops->abort_command(sp);
- if (rval != QLA_SUCCESS)
- ql_log(ql_log_warn, fcport->vha, 0x2125,
- "%s: failed to abort LS command for SP:%p rval=%x\n",
- __func__, sp, rval);
ql_dbg(ql_dbg_io, fcport->vha, 0x212b,
- "%s: aborted sp:%p on fcport:%p\n", __func__, sp, fcport);
+ "%s: %s LS command for sp=%p on fcport=%p rval=%x\n", __func__,
+ (rval != QLA_SUCCESS) ? "Failed to abort" : "Aborted",
+ sp, fcport, rval);
}
static void qla_nvme_ls_complete(struct work_struct *work)
@@ -214,7 +220,7 @@ static void qla_nvme_ls_complete(struct work_struct *work)
static int qla_nvme_ls_req(struct nvme_fc_local_port *lport,
struct nvme_fc_remote_port *rport, struct nvmefc_ls_req *fd)
{
- fc_port_t *fcport = (fc_port_t *)rport->private;
+ fc_port_t *fcport = rport->private;
struct srb_iocb *nvme;
struct nvme_private *priv = fd->private;
struct scsi_qla_host *vha;
@@ -236,7 +242,6 @@ static int qla_nvme_ls_req(struct nvme_fc_local_port *lport,
sp->name = "nvme_ls";
sp->done = qla_nvme_sp_ls_done;
atomic_set(&sp->ref_count, 1);
- init_waitqueue_head(&sp->nvme_ls_waitQ);
nvme = &sp->u.iocb_cmd;
priv->sp = sp;
priv->fd = fd;
@@ -258,7 +263,7 @@ static int qla_nvme_ls_req(struct nvme_fc_local_port *lport,
ql_log(ql_log_warn, vha, 0x700e,
"qla2x00_start_sp failed = %d\n", rval);
atomic_dec(&sp->ref_count);
- wake_up(&sp->nvme_ls_waitQ);
+ wake_up(&sp->nvme_ls_waitq);
return rval;
}
@@ -276,20 +281,18 @@ static void qla_nvme_fcp_abort(struct nvme_fc_local_port *lport,
struct qla_hw_data *ha = fcport->vha->hw;
rval = ha->isp_ops->abort_command(sp);
- if (!rval)
- ql_log(ql_log_warn, fcport->vha, 0x2127,
- "%s: failed to abort command for SP:%p rval=%x\n",
- __func__, sp, rval);
- ql_dbg(ql_dbg_io, fcport->vha, 0x2126,
- "%s: aborted sp:%p on fcport:%p\n", __func__, sp, fcport);
+ ql_dbg(ql_dbg_io, fcport->vha, 0x2127,
+ "%s: %s command for sp=%p on fcport=%p rval=%x\n", __func__,
+ (rval != QLA_SUCCESS) ? "Failed to abort" : "Aborted",
+ sp, fcport, rval);
}
static void qla_nvme_poll(struct nvme_fc_local_port *lport, void *hw_queue_handle)
{
struct scsi_qla_host *vha = lport->private;
unsigned long flags;
- struct qla_qpair *qpair = (struct qla_qpair *)hw_queue_handle;
+ struct qla_qpair *qpair = hw_queue_handle;
/* Acquire ring specific lock */
spin_lock_irqsave(&qpair->qp_lock, flags);
@@ -310,6 +313,7 @@ static int qla2x00_start_nvme_mq(srb_t *sp)
uint16_t avail_dsds;
uint32_t *cur_dsd;
struct req_que *req = NULL;
+ struct rsp_que *rsp = NULL;
struct scsi_qla_host *vha = sp->fcport->vha;
struct qla_hw_data *ha = vha->hw;
struct qla_qpair *qpair = sp->qpair;
@@ -318,13 +322,15 @@ static int qla2x00_start_nvme_mq(srb_t *sp)
struct nvmefc_fcp_req *fd = nvme->u.nvme.desc;
uint32_t rval = QLA_SUCCESS;
- /* Setup qpair pointers */
- req = qpair->req;
tot_dsds = fd->sg_cnt;
/* Acquire qpair specific lock */
spin_lock_irqsave(&qpair->qp_lock, flags);
+ /* Setup qpair pointers */
+ req = qpair->req;
+ rsp = qpair->rsp;
+
/* Check for room in outstanding command list. */
handle = req->current_outstanding_cmd;
for (index = 1; index < req->num_outstanding_cmds; index++) {
@@ -359,7 +365,7 @@ static int qla2x00_start_nvme_mq(srb_t *sp)
struct nvme_fc_cmd_iu *cmd = fd->cmdaddr;
if (cmd->sqe.common.opcode == nvme_admin_async_event) {
nvme->u.nvme.aen_op = 1;
- atomic_inc(&vha->nvme_active_aen_cnt);
+ atomic_inc(&vha->hw->nvme_active_aen_cnt);
}
}
@@ -472,6 +478,11 @@ static int qla2x00_start_nvme_mq(srb_t *sp)
/* Set chip new ring index. */
WRT_REG_DWORD(req->req_q_in, req->ring_index);
+ /* Manage unprocessed RIO/ZIO commands in response queue. */
+ if (vha->flags.process_response_queue &&
+ rsp->ring_ptr->signature != RESPONSE_PROCESSED)
+ qla24xx_process_response_queue(vha, rsp);
+
queuing_error:
spin_unlock_irqrestore(&qpair->qp_lock, flags);
return rval;
@@ -487,7 +498,7 @@ static int qla_nvme_post_cmd(struct nvme_fc_local_port *lport,
struct scsi_qla_host *vha;
int rval = QLA_FUNCTION_FAILED;
srb_t *sp;
- struct qla_qpair *qpair = (struct qla_qpair *)hw_queue_handle;
+ struct qla_qpair *qpair = hw_queue_handle;
struct nvme_private *priv;
if (!fd) {
@@ -496,7 +507,7 @@ static int qla_nvme_post_cmd(struct nvme_fc_local_port *lport,
}
priv = fd->private;
- fcport = (fc_port_t *)rport->private;
+ fcport = rport->private;
if (!fcport) {
ql_log(ql_log_warn, NULL, 0x210e, "No fcport ptr\n");
return rval;
@@ -512,7 +523,7 @@ static int qla_nvme_post_cmd(struct nvme_fc_local_port *lport,
return -EIO;
atomic_set(&sp->ref_count, 1);
- init_waitqueue_head(&sp->nvme_ls_waitQ);
+ init_waitqueue_head(&sp->nvme_ls_waitq);
priv->sp = sp;
sp->type = SRB_NVME_CMD;
sp->name = "nvme_cmd";
@@ -526,7 +537,7 @@ static int qla_nvme_post_cmd(struct nvme_fc_local_port *lport,
ql_log(ql_log_warn, vha, 0x212d,
"qla2x00_start_nvme_mq failed = %d\n", rval);
atomic_dec(&sp->ref_count);
- wake_up(&sp->nvme_ls_waitQ);
+ wake_up(&sp->nvme_ls_waitq);
return -EIO;
}
@@ -537,12 +548,10 @@ static void qla_nvme_localport_delete(struct nvme_fc_local_port *lport)
{
struct scsi_qla_host *vha = lport->private;
- atomic_dec(&vha->nvme_ref_count);
- wake_up_all(&vha->nvme_waitQ);
-
ql_log(ql_log_info, vha, 0x210f,
"localport delete of %p completed.\n", vha->nvme_local_port);
vha->nvme_local_port = NULL;
+ complete(&vha->nvme_del_done);
}
static void qla_nvme_remoteport_delete(struct nvme_fc_remote_port *rport)
@@ -550,11 +559,9 @@ static void qla_nvme_remoteport_delete(struct nvme_fc_remote_port *rport)
fc_port_t *fcport;
struct nvme_rport *r_port, *trport;
- fcport = (fc_port_t *)rport->private;
+ fcport = rport->private;
fcport->nvme_remote_port = NULL;
fcport->nvme_flag &= ~NVME_FLAG_REGISTERED;
- atomic_dec(&fcport->nvme_ref_count);
- wake_up_all(&fcport->nvme_waitQ);
list_for_each_entry_safe(r_port, trport,
&fcport->vha->nvme_rport_list, list) {
@@ -564,6 +571,7 @@ static void qla_nvme_remoteport_delete(struct nvme_fc_remote_port *rport)
}
}
kfree(r_port);
+ complete(&fcport->nvme_del_done);
ql_log(ql_log_info, fcport->vha, 0x2110,
"remoteport_delete of %p completed.\n", fcport);
@@ -594,7 +602,7 @@ static int qla_nvme_wait_on_command(srb_t *sp)
{
int ret = QLA_SUCCESS;
- wait_event_timeout(sp->nvme_ls_waitQ, (atomic_read(&sp->ref_count) > 1),
+ wait_event_timeout(sp->nvme_ls_waitq, (atomic_read(&sp->ref_count) > 1),
NVME_ABORT_POLLING_PERIOD*HZ);
if (atomic_read(&sp->ref_count) > 1)
@@ -606,12 +614,11 @@ static int qla_nvme_wait_on_command(srb_t *sp)
static int qla_nvme_wait_on_rport_del(fc_port_t *fcport)
{
int ret = QLA_SUCCESS;
+ int timeout;
- wait_event_timeout(fcport->nvme_waitQ,
- atomic_read(&fcport->nvme_ref_count),
- NVME_ABORT_POLLING_PERIOD*HZ);
-
- if (atomic_read(&fcport->nvme_ref_count)) {
+ timeout = wait_for_completion_timeout(&fcport->nvme_del_done,
+ msecs_to_jiffies(2000));
+ if (!timeout) {
ret = QLA_FUNCTION_FAILED;
ql_log(ql_log_info, fcport->vha, 0x2111,
"timed out waiting for fcport=%p to delete\n", fcport);
@@ -620,50 +627,14 @@ static int qla_nvme_wait_on_rport_del(fc_port_t *fcport)
return ret;
}
-void qla_nvme_abort(struct qla_hw_data *ha, srb_t *sp)
+void qla_nvme_abort(struct qla_hw_data *ha, struct srb *sp)
{
int rval;
rval = ha->isp_ops->abort_command(sp);
- if (!rval) {
- if (!qla_nvme_wait_on_command(sp))
- ql_log(ql_log_warn, NULL, 0x2112,
- "nvme_wait_on_command timed out waiting on sp=%p\n",
- sp);
- }
-}
-
-static void qla_nvme_abort_all(fc_port_t *fcport)
-{
- int que, cnt;
- unsigned long flags;
- srb_t *sp;
- struct qla_hw_data *ha = fcport->vha->hw;
- struct req_que *req;
-
- spin_lock_irqsave(&ha->hardware_lock, flags);
- for (que = 0; que < ha->max_req_queues; que++) {
- req = ha->req_q_map[que];
- if (!req)
- continue;
- if (!req->outstanding_cmds)
- continue;
- for (cnt = 1; cnt < req->num_outstanding_cmds; cnt++) {
- sp = req->outstanding_cmds[cnt];
- if ((sp) && ((sp->type == SRB_NVME_CMD) ||
- (sp->type == SRB_NVME_LS)) &&
- (sp->fcport == fcport)) {
- atomic_inc(&sp->ref_count);
- spin_unlock_irqrestore(&ha->hardware_lock,
- flags);
- qla_nvme_abort(ha, sp);
- spin_lock_irqsave(&ha->hardware_lock, flags);
- req->outstanding_cmds[cnt] = NULL;
- sp->done(sp, 1);
- }
- }
- }
- spin_unlock_irqrestore(&ha->hardware_lock, flags);
+ if (!rval && !qla_nvme_wait_on_command(sp))
+ ql_log(ql_log_warn, NULL, 0x2112,
+ "nvme_wait_on_comand timed out waiting on sp=%p\n", sp);
}
static void qla_nvme_unregister_remote_port(struct work_struct *work)
@@ -675,18 +646,23 @@ static void qla_nvme_unregister_remote_port(struct work_struct *work)
if (!IS_ENABLED(CONFIG_NVME_FC))
return;
+ ql_log(ql_log_warn, NULL, 0x2112,
+ "%s: unregister remoteport on %p\n",__func__, fcport);
+
list_for_each_entry_safe(rport, trport,
&fcport->vha->nvme_rport_list, list) {
if (rport->fcport == fcport) {
ql_log(ql_log_info, fcport->vha, 0x2113,
"%s: fcport=%p\n", __func__, fcport);
+ init_completion(&fcport->nvme_del_done);
nvme_fc_unregister_remoteport(
fcport->nvme_remote_port);
+ qla_nvme_wait_on_rport_del(fcport);
}
}
}
-void qla_nvme_delete(scsi_qla_host_t *vha)
+void qla_nvme_delete(struct scsi_qla_host *vha)
{
struct nvme_rport *rport, *trport;
fc_port_t *fcport;
@@ -701,12 +677,13 @@ void qla_nvme_delete(scsi_qla_host_t *vha)
ql_log(ql_log_info, fcport->vha, 0x2114, "%s: fcport=%p\n",
__func__, fcport);
+ init_completion(&fcport->nvme_del_done);
nvme_fc_unregister_remoteport(fcport->nvme_remote_port);
qla_nvme_wait_on_rport_del(fcport);
- qla_nvme_abort_all(fcport);
}
if (vha->nvme_local_port) {
+ init_completion(&vha->nvme_del_done);
nv_ret = nvme_fc_unregister_localport(vha->nvme_local_port);
if (nv_ret == 0)
ql_log(ql_log_info, vha, 0x2116,
@@ -715,10 +692,12 @@ void qla_nvme_delete(scsi_qla_host_t *vha)
else
ql_log(ql_log_info, vha, 0x2115,
"Unregister of localport failed\n");
+ wait_for_completion_timeout(&vha->nvme_del_done,
+ msecs_to_jiffies(5000));
}
}
-void qla_nvme_register_hba(scsi_qla_host_t *vha)
+void qla_nvme_register_hba(struct scsi_qla_host *vha)
{
struct nvme_fc_port_template *tmpl;
struct qla_hw_data *ha;
@@ -744,8 +723,8 @@ void qla_nvme_register_hba(scsi_qla_host_t *vha)
pinfo.port_id = vha->d_id.b24;
ql_log(ql_log_info, vha, 0xffff,
- "register_localport: host-traddr=pn-0x%llx:nn-0x%llx on portID:%x\n",
- pinfo.port_name, pinfo.node_name, pinfo.port_id);
+ "register_localport: host-traddr=nn-0x%llx:pn-0x%llx on portID:%x\n",
+ pinfo.node_name, pinfo.port_name, pinfo.port_id);
qla_nvme_fc_transport.dma_boundary = vha->host->dma_boundary;
ret = nvme_fc_register_localport(&pinfo, tmpl,
@@ -755,7 +734,5 @@ void qla_nvme_register_hba(scsi_qla_host_t *vha)
"register_localport failed: ret=%x\n", ret);
return;
}
- atomic_set(&vha->nvme_ref_count, 1);
vha->nvme_local_port->private = vha;
- init_waitqueue_head(&vha->nvme_waitQ);
}
diff --git a/drivers/scsi/qla2xxx/qla_nvme.h b/drivers/scsi/qla2xxx/qla_nvme.h
index dfe56f207b28..7f05fa1c77db 100644
--- a/drivers/scsi/qla2xxx/qla_nvme.h
+++ b/drivers/scsi/qla2xxx/qla_nvme.h
@@ -12,12 +12,18 @@
#include <uapi/scsi/fc/fc_els.h>
#include <linux/nvme-fc-driver.h>
+#include "qla_def.h"
+
#define NVME_ATIO_CMD_OFF 32
#define NVME_FIRST_PACKET_CMDLEN (64 - NVME_ATIO_CMD_OFF)
#define Q2T_NVME_NUM_TAGS 2048
#define QLA_MAX_FC_SEGMENTS 64
+struct scsi_qla_host;
+struct qla_hw_data;
+struct req_que;
struct srb;
+
struct nvme_private {
struct srb *sp;
struct nvmefc_ls_req *fd;
@@ -129,4 +135,15 @@ struct pt_ls4_rx_unsol {
uint32_t desc_len;
uint32_t payload[3];
};
+
+/*
+ * Global functions prototype in qla_nvme.c source file.
+ */
+void qla_nvme_register_hba(struct scsi_qla_host *);
+int qla_nvme_register_remote(struct scsi_qla_host *, struct fc_port *);
+void qla_nvme_delete(struct scsi_qla_host *);
+void qla_nvme_abort(struct qla_hw_data *, struct srb *sp);
+void qla24xx_nvme_ls4_iocb(struct scsi_qla_host *, struct pt_ls4_request *,
+ struct req_que *);
+void qla24xx_async_gffid_sp_done(void *, int);
#endif
diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c
index df57655779ed..5b2437a5ea44 100644
--- a/drivers/scsi/qla2xxx/qla_os.c
+++ b/drivers/scsi/qla2xxx/qla_os.c
@@ -113,12 +113,12 @@ MODULE_PARM_DESC(ql2xfdmienable,
"Enables FDMI registrations. "
"0 - no FDMI. Default is 1 - perform FDMI.");
-#define MAX_Q_DEPTH 32
+#define MAX_Q_DEPTH 64
static int ql2xmaxqdepth = MAX_Q_DEPTH;
module_param(ql2xmaxqdepth, int, S_IRUGO|S_IWUSR);
MODULE_PARM_DESC(ql2xmaxqdepth,
"Maximum queue depth to set for each LUN. "
- "Default is 32.");
+ "Default is 64.");
#if (IS_ENABLED(CONFIG_NVME_FC))
int ql2xenabledif;
@@ -200,7 +200,7 @@ MODULE_PARM_DESC(ql2xgffidenable,
"Enables GFF_ID checks of port type. "
"Default is 0 - Do not use GFF_ID information.");
-int ql2xasynctmfenable;
+int ql2xasynctmfenable = 1;
module_param(ql2xasynctmfenable, int, S_IRUGO);
MODULE_PARM_DESC(ql2xasynctmfenable,
"Enables issue of TM IOCBs asynchronously via IOCB mechanism"
@@ -262,6 +262,12 @@ MODULE_PARM_DESC(ql2xmvasynctoatio,
"0 (Default). Do not move IOCBs"
"1 - Move IOCBs.");
+int ql2xautodetectsfp = 1;
+module_param(ql2xautodetectsfp, int, 0444);
+MODULE_PARM_DESC(ql2xautodetectsfp,
+ "Detect SFP range and set appropriate distance.\n"
+ "1 (Default): Enable\n");
+
/*
* SCSI host template entry points
*/
@@ -379,6 +385,7 @@ static void qla_init_base_qpair(struct scsi_qla_host *vha, struct req_que *req,
ha->base_qpair->use_shadow_reg = IS_SHADOW_REG_CAPABLE(ha) ? 1 : 0;
ha->base_qpair->msix = &ha->msix_entries[QLA_MSIX_RSP_Q];
INIT_LIST_HEAD(&ha->base_qpair->hints_list);
+ INIT_LIST_HEAD(&ha->base_qpair->nvme_done_list);
ha->base_qpair->enable_class_2 = ql2xenableclass2;
/* init qpair to this cpu. Will adjust at run time. */
qla_cpu_update(rsp->qpair, smp_processor_id());
@@ -710,7 +717,7 @@ qla2x00_sp_free_dma(void *ptr)
}
end:
- if ((sp->type != SRB_NVME_CMD) && (sp->type != SRB_NVME_LS)) {
+ if (sp->type != SRB_NVME_CMD && sp->type != SRB_NVME_LS) {
CMD_SP(cmd) = NULL;
qla2x00_rel_sp(sp);
}
@@ -735,7 +742,7 @@ qla2x00_sp_compl(void *ptr, int res)
if (!atomic_dec_and_test(&sp->ref_count))
return;
- qla2x00_sp_free_dma(sp);
+ sp->free(sp);
cmd->scsi_done(cmd);
}
@@ -807,7 +814,7 @@ qla2xxx_qpair_sp_compl(void *ptr, int res)
if (!atomic_dec_and_test(&sp->ref_count))
return;
- qla2xxx_qpair_sp_free_dma(sp);
+ sp->free(sp);
cmd->scsi_done(cmd);
}
@@ -928,7 +935,7 @@ qla2xxx_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd)
return 0;
qc24_host_busy_free_sp:
- qla2x00_sp_free_dma(sp);
+ sp->free(sp);
qc24_host_busy:
return SCSI_MLQUEUE_HOST_BUSY;
@@ -1017,7 +1024,7 @@ qla2xxx_mqueuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd,
return 0;
qc24_host_busy_free_sp:
- qla2xxx_qpair_sp_free_dma(sp);
+ sp->free(sp);
qc24_host_busy:
return SCSI_MLQUEUE_HOST_BUSY;
@@ -1134,7 +1141,7 @@ qla2x00_wait_for_sess_deletion(scsi_qla_host_t *vha)
{
qla2x00_mark_all_devices_lost(vha, 0);
- wait_event(vha->fcport_waitQ, test_fcport_count(vha));
+ wait_event_timeout(vha->fcport_waitQ, test_fcport_count(vha), 10*HZ);
}
/*
@@ -1715,8 +1722,8 @@ qla2x00_abort_all_cmds(scsi_qla_host_t *vha, int res)
if (sp) {
req->outstanding_cmds[cnt] = NULL;
if (sp->cmd_type == TYPE_SRB) {
- if ((sp->type == SRB_NVME_CMD) ||
- (sp->type == SRB_NVME_LS)) {
+ if (sp->type == SRB_NVME_CMD ||
+ sp->type == SRB_NVME_LS) {
sp_get(sp);
spin_unlock_irqrestore(
&ha->hardware_lock, flags);
@@ -1725,6 +1732,8 @@ qla2x00_abort_all_cmds(scsi_qla_host_t *vha, int res)
&ha->hardware_lock, flags);
} else if (GET_CMD_SP(sp) &&
!ha->flags.eeh_busy &&
+ (!test_bit(ABORT_ISP_ACTIVE,
+ &vha->dpc_flags)) &&
(sp->type == SRB_SCSI_CMD)) {
/*
* Don't abort commands in
@@ -2751,6 +2760,7 @@ qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
spin_lock_init(&ha->tgt.sess_lock);
spin_lock_init(&ha->tgt.atio_lock);
+ atomic_set(&ha->nvme_active_aen_cnt, 0);
/* Clear our data area */
ha->bars = bars;
@@ -3168,7 +3178,7 @@ qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
if (ha->mqenable) {
bool mq = false;
bool startit = false;
- ha->wq = alloc_workqueue("qla2xxx_wq", WQ_MEM_RECLAIM, 1);
+ ha->wq = alloc_workqueue("qla2xxx_wq", WQ_MEM_RECLAIM, 0);
if (QLA_TGT_MODE_ENABLED()) {
mq = true;
@@ -3328,6 +3338,13 @@ skip_dpc:
if (test_bit(UNLOADING, &base_vha->dpc_flags))
return -ENODEV;
+ if (ha->flags.detected_lr_sfp) {
+ ql_log(ql_log_info, base_vha, 0xffff,
+ "Reset chip to pick up LR SFP setting\n");
+ set_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags);
+ qla2xxx_wake_dpc(base_vha);
+ }
+
return 0;
probe_init_failed:
@@ -3383,12 +3400,22 @@ qla2x00_shutdown(struct pci_dev *pdev)
scsi_qla_host_t *vha;
struct qla_hw_data *ha;
- if (!atomic_read(&pdev->enable_cnt))
- return;
-
vha = pci_get_drvdata(pdev);
ha = vha->hw;
+ ql_log(ql_log_info, vha, 0xfffa,
+ "Adapter shutdown\n");
+
+ /*
+ * Prevent future board_disable and wait
+ * until any pending board_disable has completed.
+ */
+ set_bit(PFLG_DRIVER_REMOVING, &vha->pci_flags);
+ cancel_work_sync(&ha->board_disable);
+
+ if (!atomic_read(&pdev->enable_cnt))
+ return;
+
/* Notify ISPFX00 firmware */
if (IS_QLAFX00(ha))
qlafx00_driver_shutdown(vha, 20);
@@ -3419,8 +3446,9 @@ qla2x00_shutdown(struct pci_dev *pdev)
qla2x00_free_fw_dump(ha);
- pci_disable_pcie_error_reporting(pdev);
pci_disable_device(pdev);
+ ql_log(ql_log_info, vha, 0xfffe,
+ "Adapter shutdown successfully.\n");
}
/* Deletes all the virtual ports for a given ha */
@@ -4006,8 +4034,18 @@ qla2x00_mem_alloc(struct qla_hw_data *ha, uint16_t req_len, uint16_t rsp_len,
"loop_id_map=%p.\n", ha->loop_id_map);
}
+ ha->sfp_data = dma_alloc_coherent(&ha->pdev->dev,
+ SFP_DEV_SIZE, &ha->sfp_data_dma, GFP_KERNEL);
+ if (!ha->sfp_data) {
+ ql_dbg_pci(ql_dbg_init, ha->pdev, 0x011b,
+ "Unable to allocate memory for SFP read-data.\n");
+ goto fail_sfp_data;
+ }
+
return 0;
+fail_sfp_data:
+ kfree(ha->loop_id_map);
fail_loop_id_map:
dma_pool_free(ha->s_dma_pool, ha->async_pd, ha->async_pd_dma);
fail_async_pd:
@@ -4345,7 +4383,8 @@ qla2x00_mem_free(struct qla_hw_data *ha)
ha->ct_sns, ha->ct_sns_dma);
if (ha->sfp_data)
- dma_pool_free(ha->s_dma_pool, ha->sfp_data, ha->sfp_data_dma);
+ dma_free_coherent(&ha->pdev->dev, SFP_DEV_SIZE, ha->sfp_data,
+ ha->sfp_data_dma);
if (ha->ms_iocb)
dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
@@ -4638,9 +4677,10 @@ static
void qla24xx_create_new_sess(struct scsi_qla_host *vha, struct qla_work_evt *e)
{
unsigned long flags;
- fc_port_t *fcport = NULL;
+ fc_port_t *fcport = NULL, *tfcp;
struct qlt_plogi_ack_t *pla =
(struct qlt_plogi_ack_t *)e->u.new_sess.pla;
+ uint8_t free_fcport = 0;
spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
fcport = qla2x00_find_fcport_by_wwpn(vha, e->u.new_sess.port_name, 1);
@@ -4655,6 +4695,7 @@ void qla24xx_create_new_sess(struct scsi_qla_host *vha, struct qla_work_evt *e)
pla->ref_count--;
}
} else {
+ spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
if (fcport) {
fcport->d_id = e->u.new_sess.id;
@@ -4664,6 +4705,29 @@ void qla24xx_create_new_sess(struct scsi_qla_host *vha, struct qla_work_evt *e)
memcpy(fcport->port_name, e->u.new_sess.port_name,
WWN_SIZE);
+ } else {
+ ql_dbg(ql_dbg_disc, vha, 0xffff,
+ "%s %8phC mem alloc fail.\n",
+ __func__, e->u.new_sess.port_name);
+
+ if (pla)
+ kmem_cache_free(qla_tgt_plogi_cachep, pla);
+ return;
+ }
+
+ spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
+ /* search again to make sure one else got ahead */
+ tfcp = qla2x00_find_fcport_by_wwpn(vha,
+ e->u.new_sess.port_name, 1);
+ if (tfcp) {
+ /* should rarily happen */
+ ql_dbg(ql_dbg_disc, vha, 0xffff,
+ "%s %8phC found existing fcport b4 add. DS %d LS %d\n",
+ __func__, tfcp->port_name, tfcp->disc_state,
+ tfcp->fw_login_state);
+
+ free_fcport = 1;
+ } else {
list_add_tail(&fcport->list, &vha->vp_fcports);
if (pla) {
@@ -4681,6 +4745,12 @@ void qla24xx_create_new_sess(struct scsi_qla_host *vha, struct qla_work_evt *e)
else
qla24xx_async_gnl(vha, fcport);
}
+
+ if (free_fcport) {
+ qla2x00_free_fcport(fcport);
+ if (pla)
+ kmem_cache_free(qla_tgt_plogi_cachep, pla);
+ }
}
void
@@ -5493,6 +5563,13 @@ qla2x00_disable_board_on_pci_error(struct work_struct *work)
ql_log(ql_log_warn, base_vha, 0x015b,
"Disabling adapter.\n");
+ if (!atomic_read(&pdev->enable_cnt)) {
+ ql_log(ql_log_info, base_vha, 0xfffc,
+ "PCI device disabled, no action req for PCI error=%lx\n",
+ base_vha->pci_flags);
+ return;
+ }
+
qla2x00_wait_for_sess_deletion(base_vha);
set_bit(UNLOADING, &base_vha->dpc_flags);
@@ -5687,6 +5764,16 @@ qla2x00_do_dpc(void *data)
}
}
+ if (test_and_clear_bit(DETECT_SFP_CHANGE,
+ &base_vha->dpc_flags) &&
+ !test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags)) {
+ qla24xx_detect_sfp(base_vha);
+
+ if (ha->flags.detected_lr_sfp !=
+ ha->flags.using_lr_setting)
+ set_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags);
+ }
+
if (test_and_clear_bit(ISP_ABORT_NEEDED,
&base_vha->dpc_flags)) {
@@ -5828,6 +5915,17 @@ intr_on_check:
mutex_unlock(&ha->mq_lock);
}
+ if (test_and_clear_bit(SET_ZIO_THRESHOLD_NEEDED, &base_vha->dpc_flags)) {
+ ql_log(ql_log_info, base_vha, 0xffffff,
+ "nvme: SET ZIO Activity exchange threshold to %d.\n",
+ ha->nvme_last_rptd_aen);
+ if (qla27xx_set_zio_threshold(base_vha, ha->nvme_last_rptd_aen)) {
+ ql_log(ql_log_info, base_vha, 0xffffff,
+ "nvme: Unable to SET ZIO Activity exchange threshold to %d.\n",
+ ha->nvme_last_rptd_aen);
+ }
+ }
+
if (!IS_QLAFX00(ha))
qla2x00_do_dpc_all_vps(base_vha);
@@ -6025,12 +6123,15 @@ qla2x00_timer(scsi_qla_host_t *vha)
* FC-NVME
* see if the active AEN count has changed from what was last reported.
*/
- if (atomic_read(&vha->nvme_active_aen_cnt) != vha->nvme_last_rptd_aen) {
- vha->nvme_last_rptd_aen =
- atomic_read(&vha->nvme_active_aen_cnt);
+ if (!vha->vp_idx &&
+ atomic_read(&ha->nvme_active_aen_cnt) != ha->nvme_last_rptd_aen &&
+ ha->zio_mode == QLA_ZIO_MODE_6) {
ql_log(ql_log_info, vha, 0x3002,
- "reporting new aen count of %d to the fw\n",
- vha->nvme_last_rptd_aen);
+ "nvme: Sched: Set ZIO exchange threshold to %d.\n",
+ ha->nvme_last_rptd_aen);
+ ha->nvme_last_rptd_aen = atomic_read(&ha->nvme_active_aen_cnt);
+ set_bit(SET_ZIO_THRESHOLD_NEEDED, &vha->dpc_flags);
+ start_dpc++;
}
/* Schedule the DPC routine if needed */
@@ -6181,6 +6282,12 @@ qla2xxx_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
ql_dbg(ql_dbg_aer, vha, 0x9000,
"PCI error detected, state %x.\n", state);
+ if (!atomic_read(&pdev->enable_cnt)) {
+ ql_log(ql_log_info, vha, 0xffff,
+ "PCI device is disabled,state %x\n", state);
+ return PCI_ERS_RESULT_NEED_RESET;
+ }
+
switch (state) {
case pci_channel_io_normal:
ha->flags.eeh_busy = 0;
@@ -6574,6 +6681,8 @@ qla2x00_module_init(void)
strcpy(qla2x00_version_str, QLA2XXX_VERSION);
if (ql2xextended_error_logging)
strcat(qla2x00_version_str, "-debug");
+ if (ql2xextended_error_logging == 1)
+ ql2xextended_error_logging = QL_DBG_DEFAULT1_MASK;
qla2xxx_transport_template =
fc_attach_transport(&qla2xxx_transport_functions);
diff --git a/drivers/scsi/qla2xxx/qla_target.c b/drivers/scsi/qla2xxx/qla_target.c
index e101cd3043b9..f05cfc83c9c8 100644
--- a/drivers/scsi/qla2xxx/qla_target.c
+++ b/drivers/scsi/qla2xxx/qla_target.c
@@ -145,7 +145,7 @@ static void qlt_send_busy(struct qla_qpair *, struct atio_from_isp *,
* Global Variables
*/
static struct kmem_cache *qla_tgt_mgmt_cmd_cachep;
-static struct kmem_cache *qla_tgt_plogi_cachep;
+struct kmem_cache *qla_tgt_plogi_cachep;
static mempool_t *qla_tgt_mgmt_cmd_mempool;
static struct workqueue_struct *qla_tgt_wq;
static DEFINE_MUTEX(qla_tgt_mutex);
@@ -585,11 +585,13 @@ void qla2x00_async_nack_sp_done(void *s, int res)
sp->fcport->fw_login_state = DSC_LS_PLOGI_COMP;
sp->fcport->logout_on_delete = 1;
sp->fcport->plogi_nack_done_deadline = jiffies + HZ;
+ sp->fcport->send_els_logo = 0;
break;
case SRB_NACK_PRLI:
sp->fcport->fw_login_state = DSC_LS_PRLI_COMP;
sp->fcport->deleted = 0;
+ sp->fcport->send_els_logo = 0;
if (!sp->fcport->login_succ &&
!IS_SW_RESV_ADDR(sp->fcport->d_id)) {
@@ -1479,7 +1481,7 @@ int qlt_stop_phase1(struct qla_tgt *tgt)
ql_dbg(ql_dbg_tgt_mgt, vha, 0xf00a,
"Waiting for tgt %p: sess_count=%d\n", tgt, tgt->sess_count);
- wait_event(tgt->waitQ, test_tgt_sess_count(tgt));
+ wait_event_timeout(tgt->waitQ, test_tgt_sess_count(tgt), 10*HZ);
/* Big hammer */
if (!ha->flags.host_shutting_down &&
@@ -1487,7 +1489,7 @@ int qlt_stop_phase1(struct qla_tgt *tgt)
qlt_disable_vha(vha);
/* Wait for sessions to clear out (just in case) */
- wait_event(tgt->waitQ, test_tgt_sess_count(tgt));
+ wait_event_timeout(tgt->waitQ, test_tgt_sess_count(tgt), 10*HZ);
return 0;
}
EXPORT_SYMBOL(qlt_stop_phase1);
@@ -1528,6 +1530,7 @@ static void qlt_release(struct qla_tgt *tgt)
u64 key = 0;
u16 i;
struct qla_qpair_hint *h;
+ struct qla_hw_data *ha = vha->hw;
if ((vha->vha_tgt.qla_tgt != NULL) && !tgt->tgt_stop &&
!tgt->tgt_stopped)
@@ -1548,12 +1551,18 @@ static void qlt_release(struct qla_tgt *tgt)
}
}
kfree(tgt->qphints);
+ mutex_lock(&qla_tgt_mutex);
+ list_del(&vha->vha_tgt.qla_tgt->tgt_list_entry);
+ mutex_unlock(&qla_tgt_mutex);
btree_for_each_safe64(&tgt->lun_qpair_map, key, node)
btree_remove64(&tgt->lun_qpair_map, key);
btree_destroy64(&tgt->lun_qpair_map);
+ if (ha->tgt.tgt_ops && ha->tgt.tgt_ops->remove_target)
+ ha->tgt.tgt_ops->remove_target(vha);
+
vha->vha_tgt.qla_tgt = NULL;
ql_dbg(ql_dbg_tgt_mgt, vha, 0xf00d,
@@ -1901,6 +1910,7 @@ static int __qlt_24xx_handle_abts(struct scsi_qla_host *vha,
mcmd->reset_count = ha->base_qpair->chip_reset;
mcmd->tmr_func = QLA_TGT_ABTS;
mcmd->qpair = ha->base_qpair;
+ mcmd->vha = vha;
/*
* LUN is looked up by target-core internally based on the passed
@@ -2003,7 +2013,7 @@ static void qlt_24xx_handle_abts(struct scsi_qla_host *vha,
static void qlt_24xx_send_task_mgmt_ctio(struct qla_qpair *qpair,
struct qla_tgt_mgmt_cmd *mcmd, uint32_t resp_code)
{
- struct scsi_qla_host *ha = qpair->vha;
+ struct scsi_qla_host *ha = mcmd->vha;
struct atio_from_isp *atio = &mcmd->orig_iocb.atio;
struct ctio7_to_24xx *ctio;
uint16_t temp;
@@ -3464,6 +3474,9 @@ static int __qlt_send_term_exchange(struct qla_qpair *qpair,
ql_dbg(ql_dbg_tgt, vha, 0xe009, "Sending TERM EXCH CTIO (ha=%p)\n", ha);
+ if (cmd)
+ vha = cmd->vha;
+
pkt = (request_t *)qla2x00_alloc_iocbs_ready(qpair, NULL);
if (pkt == NULL) {
ql_dbg(ql_dbg_tgt, vha, 0xe050,
@@ -4379,6 +4392,7 @@ static int qlt_issue_task_mgmt(struct fc_port *sess, u64 lun,
mcmd->flags = flags;
mcmd->reset_count = ha->base_qpair->chip_reset;
mcmd->qpair = ha->base_qpair;
+ mcmd->vha = vha;
switch (fn) {
case QLA_TGT_LUN_RESET:
@@ -6170,10 +6184,6 @@ int qlt_remove_target(struct qla_hw_data *ha, struct scsi_qla_host *vha)
/* free left over qfull cmds */
qlt_init_term_exchange(vha);
- mutex_lock(&qla_tgt_mutex);
- list_del(&vha->vha_tgt.qla_tgt->tgt_list_entry);
- mutex_unlock(&qla_tgt_mutex);
-
ql_dbg(ql_dbg_tgt, vha, 0xe03c, "Unregistering target for host %ld(%p)",
vha->host_no, ha);
qlt_release(vha->vha_tgt.qla_tgt);
@@ -6530,7 +6540,6 @@ qlt_24xx_process_atio_queue(struct scsi_qla_host *vha, uint8_t ha_locked)
/* Adjust ring index */
WRT_REG_DWORD(ISP_ATIO_Q_OUT(vha), ha->tgt.atio_ring_index);
- RD_REG_DWORD_RELAXED(ISP_ATIO_Q_OUT(vha));
}
void
@@ -6796,7 +6805,7 @@ qlt_probe_one_stage1(struct scsi_qla_host *base_vha, struct qla_hw_data *ha)
if (!QLA_TGT_MODE_ENABLED())
return;
- if (ha->mqenable || IS_QLA83XX(ha) || IS_QLA27XX(ha)) {
+ if (IS_QLA83XX(ha) || IS_QLA27XX(ha)) {
ISP_ATIO_Q_IN(base_vha) = &ha->mqiobase->isp25mq.atio_q_in;
ISP_ATIO_Q_OUT(base_vha) = &ha->mqiobase->isp25mq.atio_q_out;
} else {
diff --git a/drivers/scsi/qla2xxx/qla_target.h b/drivers/scsi/qla2xxx/qla_target.h
index 7fe02d036bdf..aba58d3848a6 100644
--- a/drivers/scsi/qla2xxx/qla_target.h
+++ b/drivers/scsi/qla2xxx/qla_target.h
@@ -705,6 +705,7 @@ struct qla_tgt_func_tmpl {
int (*get_dif_tags)(struct qla_tgt_cmd *cmd, uint16_t *pfw_prot_opts);
int (*chk_dif_tags)(uint32_t tag);
void (*add_target)(struct scsi_qla_host *);
+ void (*remove_target)(struct scsi_qla_host *);
};
int qla2x00_wait_for_hba_online(struct scsi_qla_host *);
@@ -959,6 +960,7 @@ struct qla_tgt_mgmt_cmd {
uint8_t fc_tm_rsp;
struct fc_port *sess;
struct qla_qpair *qpair;
+ struct scsi_qla_host *vha;
struct se_cmd se_cmd;
struct work_struct free_work;
unsigned int flags;
diff --git a/drivers/scsi/qla2xxx/qla_tmpl.c b/drivers/scsi/qla2xxx/qla_tmpl.c
index b18646d6057f..733e8dcccf5c 100644
--- a/drivers/scsi/qla2xxx/qla_tmpl.c
+++ b/drivers/scsi/qla2xxx/qla_tmpl.c
@@ -443,8 +443,12 @@ qla27xx_fwdt_entry_t263(struct scsi_qla_host *vha,
qla27xx_skip_entry(ent, buf);
}
- if (buf)
- ent->t263.num_queues = count;
+ if (buf) {
+ if (count)
+ ent->t263.num_queues = count;
+ else
+ qla27xx_skip_entry(ent, buf);
+ }
return false;
}
@@ -692,11 +696,12 @@ qla27xx_fwdt_entry_t274(struct scsi_qla_host *vha,
qla27xx_skip_entry(ent, buf);
}
- if (buf)
- ent->t274.num_queues = count;
-
- if (!count)
- qla27xx_skip_entry(ent, buf);
+ if (buf) {
+ if (count)
+ ent->t274.num_queues = count;
+ else
+ qla27xx_skip_entry(ent, buf);
+ }
return false;
}
diff --git a/drivers/scsi/qla2xxx/qla_version.h b/drivers/scsi/qla2xxx/qla_version.h
index 005a378f7fab..8c4b505c9f66 100644
--- a/drivers/scsi/qla2xxx/qla_version.h
+++ b/drivers/scsi/qla2xxx/qla_version.h
@@ -7,7 +7,7 @@
/*
* Driver version
*/
-#define QLA2XXX_VERSION "10.00.00.00-k"
+#define QLA2XXX_VERSION "10.00.00.01-k"
#define QLA_DRIVER_MAJOR_VER 10
#define QLA_DRIVER_MINOR_VER 0
diff --git a/drivers/scsi/qlogicfas.c b/drivers/scsi/qlogicfas.c
index 840823b99e51..95431d605c24 100644
--- a/drivers/scsi/qlogicfas.c
+++ b/drivers/scsi/qlogicfas.c
@@ -188,7 +188,7 @@ static struct scsi_host_template qlogicfas_driver_template = {
.info = qlogicfas408_info,
.queuecommand = qlogicfas408_queuecommand,
.eh_abort_handler = qlogicfas408_abort,
- .eh_bus_reset_handler = qlogicfas408_bus_reset,
+ .eh_host_reset_handler = qlogicfas408_host_reset,
.bios_param = qlogicfas408_biosparam,
.can_queue = 1,
.this_id = -1,
diff --git a/drivers/scsi/qlogicfas408.c b/drivers/scsi/qlogicfas408.c
index c3a9151ca823..8b471a925b43 100644
--- a/drivers/scsi/qlogicfas408.c
+++ b/drivers/scsi/qlogicfas408.c
@@ -496,13 +496,13 @@ int qlogicfas408_abort(struct scsi_cmnd *cmd)
return SUCCESS;
}
-/*
+/*
* Reset SCSI bus
* FIXME: This function is invoked with cmd = NULL directly by
* the PCMCIA qlogic_stub code. This wants fixing
*/
-int qlogicfas408_bus_reset(struct scsi_cmnd *cmd)
+int qlogicfas408_host_reset(struct scsi_cmnd *cmd)
{
struct qlogicfas408_priv *priv = get_priv_by_cmd(cmd);
unsigned long flags;
@@ -607,7 +607,7 @@ module_exit(qlogicfas408_exit);
EXPORT_SYMBOL(qlogicfas408_info);
EXPORT_SYMBOL(qlogicfas408_queuecommand);
EXPORT_SYMBOL(qlogicfas408_abort);
-EXPORT_SYMBOL(qlogicfas408_bus_reset);
+EXPORT_SYMBOL(qlogicfas408_host_reset);
EXPORT_SYMBOL(qlogicfas408_biosparam);
EXPORT_SYMBOL(qlogicfas408_ihandl);
EXPORT_SYMBOL(qlogicfas408_get_chip_type);
diff --git a/drivers/scsi/qlogicfas408.h b/drivers/scsi/qlogicfas408.h
index 2f6c0a166200..f6b1216af79f 100644
--- a/drivers/scsi/qlogicfas408.h
+++ b/drivers/scsi/qlogicfas408.h
@@ -108,7 +108,7 @@ int qlogicfas408_biosparam(struct scsi_device * disk,
struct block_device *dev,
sector_t capacity, int ip[]);
int qlogicfas408_abort(struct scsi_cmnd * cmd);
-int qlogicfas408_bus_reset(struct scsi_cmnd * cmd);
+extern int qlogicfas408_host_reset(struct scsi_cmnd *cmd);
const char *qlogicfas408_info(struct Scsi_Host *host);
int qlogicfas408_get_chip_type(int qbase, int int_type);
void qlogicfas408_setup(int qbase, int id, int int_type);
diff --git a/drivers/scsi/qlogicpti.c b/drivers/scsi/qlogicpti.c
index 69bfc0a1aea3..cec9a14982e6 100644
--- a/drivers/scsi/qlogicpti.c
+++ b/drivers/scsi/qlogicpti.c
@@ -1283,7 +1283,7 @@ static struct scsi_host_template qpti_template = {
.queuecommand = qlogicpti_queuecommand,
.slave_configure = qlogicpti_slave_configure,
.eh_abort_handler = qlogicpti_abort,
- .eh_bus_reset_handler = qlogicpti_reset,
+ .eh_host_reset_handler = qlogicpti_reset,
.can_queue = QLOGICPTI_REQ_QUEUE_LEN,
.this_id = 7,
.sg_tablesize = QLOGICPTI_MAX_SG(QLOGICPTI_REQ_QUEUE_LEN),
diff --git a/drivers/scsi/scsi.c b/drivers/scsi/scsi.c
index 1bf274e3b2b6..a7e4fba724b7 100644
--- a/drivers/scsi/scsi.c
+++ b/drivers/scsi/scsi.c
@@ -412,6 +412,57 @@ int scsi_get_vpd_page(struct scsi_device *sdev, u8 page, unsigned char *buf,
EXPORT_SYMBOL_GPL(scsi_get_vpd_page);
/**
+ * scsi_get_vpd_buf - Get Vital Product Data from a SCSI device
+ * @sdev: The device to ask
+ * @page: Which Vital Product Data to return
+ *
+ * Returns %NULL upon failure.
+ */
+static struct scsi_vpd *scsi_get_vpd_buf(struct scsi_device *sdev, u8 page)
+{
+ struct scsi_vpd *vpd_buf;
+ int vpd_len = SCSI_VPD_PG_LEN, result;
+
+retry_pg:
+ vpd_buf = kmalloc(sizeof(*vpd_buf) + vpd_len, GFP_KERNEL);
+ if (!vpd_buf)
+ return NULL;
+
+ result = scsi_vpd_inquiry(sdev, vpd_buf->data, page, vpd_len);
+ if (result < 0) {
+ kfree(vpd_buf);
+ return NULL;
+ }
+ if (result > vpd_len) {
+ vpd_len = result;
+ kfree(vpd_buf);
+ goto retry_pg;
+ }
+
+ vpd_buf->len = result;
+
+ return vpd_buf;
+}
+
+static void scsi_update_vpd_page(struct scsi_device *sdev, u8 page,
+ struct scsi_vpd __rcu **sdev_vpd_buf)
+{
+ struct scsi_vpd *vpd_buf;
+
+ vpd_buf = scsi_get_vpd_buf(sdev, page);
+ if (!vpd_buf)
+ return;
+
+ mutex_lock(&sdev->inquiry_mutex);
+ rcu_swap_protected(*sdev_vpd_buf, vpd_buf,
+ lockdep_is_held(&sdev->inquiry_mutex));
+ mutex_unlock(&sdev->inquiry_mutex);
+
+ if (vpd_buf)
+ kfree_rcu(vpd_buf, rcu);
+}
+
+/**
* scsi_attach_vpd - Attach Vital Product Data to a SCSI device structure
* @sdev: The device to ask
*
@@ -422,95 +473,24 @@ EXPORT_SYMBOL_GPL(scsi_get_vpd_page);
*/
void scsi_attach_vpd(struct scsi_device *sdev)
{
- int result, i;
- int vpd_len = SCSI_VPD_PG_LEN;
- int pg80_supported = 0;
- int pg83_supported = 0;
- unsigned char __rcu *vpd_buf, *orig_vpd_buf = NULL;
+ int i;
+ struct scsi_vpd *vpd_buf;
if (!scsi_device_supports_vpd(sdev))
return;
-retry_pg0:
- vpd_buf = kmalloc(vpd_len, GFP_KERNEL);
- if (!vpd_buf)
- return;
-
/* Ask for all the pages supported by this device */
- result = scsi_vpd_inquiry(sdev, vpd_buf, 0, vpd_len);
- if (result < 0) {
- kfree(vpd_buf);
+ vpd_buf = scsi_get_vpd_buf(sdev, 0);
+ if (!vpd_buf)
return;
- }
- if (result > vpd_len) {
- vpd_len = result;
- kfree(vpd_buf);
- goto retry_pg0;
- }
- for (i = 4; i < result; i++) {
- if (vpd_buf[i] == 0x80)
- pg80_supported = 1;
- if (vpd_buf[i] == 0x83)
- pg83_supported = 1;
+ for (i = 4; i < vpd_buf->len; i++) {
+ if (vpd_buf->data[i] == 0x80)
+ scsi_update_vpd_page(sdev, 0x80, &sdev->vpd_pg80);
+ if (vpd_buf->data[i] == 0x83)
+ scsi_update_vpd_page(sdev, 0x83, &sdev->vpd_pg83);
}
kfree(vpd_buf);
- vpd_len = SCSI_VPD_PG_LEN;
-
- if (pg80_supported) {
-retry_pg80:
- vpd_buf = kmalloc(vpd_len, GFP_KERNEL);
- if (!vpd_buf)
- return;
-
- result = scsi_vpd_inquiry(sdev, vpd_buf, 0x80, vpd_len);
- if (result < 0) {
- kfree(vpd_buf);
- return;
- }
- if (result > vpd_len) {
- vpd_len = result;
- kfree(vpd_buf);
- goto retry_pg80;
- }
- mutex_lock(&sdev->inquiry_mutex);
- orig_vpd_buf = sdev->vpd_pg80;
- sdev->vpd_pg80_len = result;
- rcu_assign_pointer(sdev->vpd_pg80, vpd_buf);
- mutex_unlock(&sdev->inquiry_mutex);
- synchronize_rcu();
- if (orig_vpd_buf) {
- kfree(orig_vpd_buf);
- orig_vpd_buf = NULL;
- }
- vpd_len = SCSI_VPD_PG_LEN;
- }
-
- if (pg83_supported) {
-retry_pg83:
- vpd_buf = kmalloc(vpd_len, GFP_KERNEL);
- if (!vpd_buf)
- return;
-
- result = scsi_vpd_inquiry(sdev, vpd_buf, 0x83, vpd_len);
- if (result < 0) {
- kfree(vpd_buf);
- return;
- }
- if (result > vpd_len) {
- vpd_len = result;
- kfree(vpd_buf);
- goto retry_pg83;
- }
- mutex_lock(&sdev->inquiry_mutex);
- orig_vpd_buf = sdev->vpd_pg83;
- sdev->vpd_pg83_len = result;
- rcu_assign_pointer(sdev->vpd_pg83, vpd_buf);
- mutex_unlock(&sdev->inquiry_mutex);
- synchronize_rcu();
- if (orig_vpd_buf)
- kfree(orig_vpd_buf);
- }
}
/**
diff --git a/drivers/scsi/scsi_debug.c b/drivers/scsi/scsi_debug.c
index 3be980d47268..77a0335eb757 100644
--- a/drivers/scsi/scsi_debug.c
+++ b/drivers/scsi/scsi_debug.c
@@ -2261,7 +2261,7 @@ static int resp_ie_l_pg(unsigned char * arr)
static int resp_log_sense(struct scsi_cmnd * scp,
struct sdebug_dev_info * devip)
{
- int ppc, sp, pcontrol, pcode, subpcode, alloc_len, len, n;
+ int ppc, sp, pcode, subpcode, alloc_len, len, n;
unsigned char arr[SDEBUG_MAX_LSENSE_SZ];
unsigned char *cmd = scp->cmnd;
@@ -2272,7 +2272,6 @@ static int resp_log_sense(struct scsi_cmnd * scp,
mk_sense_invalid_fld(scp, SDEB_IN_CDB, 1, ppc ? 1 : 0);
return check_condition_result;
}
- pcontrol = (cmd[2] & 0xc0) >> 6;
pcode = cmd[2] & 0x3f;
subpcode = cmd[3] & 0xff;
alloc_len = get_unaligned_be16(cmd + 7);
diff --git a/drivers/scsi/scsi_debugfs.c b/drivers/scsi/scsi_debugfs.c
index a97c9507103d..5e9755008aed 100644
--- a/drivers/scsi/scsi_debugfs.c
+++ b/drivers/scsi/scsi_debugfs.c
@@ -6,8 +6,10 @@
void scsi_show_rq(struct seq_file *m, struct request *rq)
{
struct scsi_cmnd *cmd = container_of(scsi_req(rq), typeof(*cmd), req);
+ int msecs = jiffies_to_msecs(jiffies - cmd->jiffies_at_alloc);
char buf[80];
__scsi_format_command(buf, sizeof(buf), cmd->cmnd, cmd->cmd_len);
- seq_printf(m, ", .cmd=%s", buf);
+ seq_printf(m, ", .cmd=%s, .retries=%d, allocated %d.%03d s ago", buf,
+ cmd->retries, msecs / 1000, msecs % 1000);
}
diff --git a/drivers/scsi/scsi_error.c b/drivers/scsi/scsi_error.c
index ea9f40e51f68..38942050b265 100644
--- a/drivers/scsi/scsi_error.c
+++ b/drivers/scsi/scsi_error.c
@@ -259,7 +259,7 @@ void scsi_eh_scmd_add(struct scsi_cmnd *scmd)
*/
enum blk_eh_timer_return scsi_times_out(struct request *req)
{
- struct scsi_cmnd *scmd = req->special;
+ struct scsi_cmnd *scmd = blk_mq_rq_to_pdu(req);
enum blk_eh_timer_return rtn = BLK_EH_NOT_HANDLED;
struct Scsi_Host *host = scmd->device->host;
@@ -552,6 +552,7 @@ int scsi_check_sense(struct scsi_cmnd *scmd)
set_host_byte(scmd, DID_ALLOC_FAILURE);
return SUCCESS;
}
+ /* FALLTHROUGH */
case COPY_ABORTED:
case VOLUME_OVERFLOW:
case MISCOMPARE:
@@ -573,6 +574,7 @@ int scsi_check_sense(struct scsi_cmnd *scmd)
return ADD_TO_MLQUEUE;
else
set_host_byte(scmd, DID_TARGET_FAILURE);
+ /* FALLTHROUGH */
case ILLEGAL_REQUEST:
if (sshdr.asc == 0x20 || /* Invalid command operation code */
@@ -683,6 +685,7 @@ static int scsi_eh_completed_normally(struct scsi_cmnd *scmd)
switch (status_byte(scmd->result)) {
case GOOD:
scsi_handle_queue_ramp_up(scmd->device);
+ /* FALLTHROUGH */
case COMMAND_TERMINATED:
return SUCCESS;
case CHECK_CONDITION:
@@ -1734,6 +1737,7 @@ int scsi_decide_disposition(struct scsi_cmnd *scmd)
set_host_byte(scmd, DID_TIME_OUT);
return SUCCESS;
}
+ /* FALLTHROUGH */
case DID_NO_CONNECT:
case DID_BAD_TARGET:
/*
@@ -1819,6 +1823,7 @@ int scsi_decide_disposition(struct scsi_cmnd *scmd)
* the case of trying to send too many commands to a
* tagged queueing device.
*/
+ /* FALLTHROUGH */
case BUSY:
/*
* device can't talk to us at the moment. Should only
@@ -1831,6 +1836,7 @@ int scsi_decide_disposition(struct scsi_cmnd *scmd)
if (scmd->cmnd[0] == REPORT_LUNS)
scmd->device->sdev_target->expecting_lun_change = 0;
scsi_handle_queue_ramp_up(scmd->device);
+ /* FALLTHROUGH */
case COMMAND_TERMINATED:
return SUCCESS;
case TASK_ABORTED:
@@ -2320,8 +2326,8 @@ scsi_ioctl_reset(struct scsi_device *dev, int __user *arg)
rtn = scsi_try_host_reset(scmd);
if (rtn == SUCCESS)
break;
- default:
/* FALLTHROUGH */
+ default:
rtn = FAILED;
break;
}
diff --git a/drivers/scsi/scsi_ioctl.c b/drivers/scsi/scsi_ioctl.c
index b6bf3f29a12a..0a875491f5a7 100644
--- a/drivers/scsi/scsi_ioctl.c
+++ b/drivers/scsi/scsi_ioctl.c
@@ -116,13 +116,15 @@ static int ioctl_internal_command(struct scsi_device *sdev, char *cmd,
case NOT_READY: /* This happens if there is no disc in drive */
if (sdev->removable)
break;
+ /* FALLTHROUGH */
case UNIT_ATTENTION:
if (sdev->removable) {
sdev->changed = 1;
result = 0; /* This is no longer considered an error */
break;
}
- default: /* Fall through for non-removable media */
+ /* FALLTHROUGH -- for non-removable media */
+ default:
sdev_printk(KERN_INFO, sdev,
"ioctl_internal_command return code = %x\n",
result);
diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c
index f6097b89d5d3..9cf6a80fe297 100644
--- a/drivers/scsi/scsi_lib.c
+++ b/drivers/scsi/scsi_lib.c
@@ -44,6 +44,8 @@ static struct kmem_cache *scsi_sense_cache;
static struct kmem_cache *scsi_sense_isadma_cache;
static DEFINE_MUTEX(scsi_sense_cache_mutex);
+static void scsi_mq_uninit_cmd(struct scsi_cmnd *cmd);
+
static inline struct kmem_cache *
scsi_select_sense_cache(bool unchecked_isa_dma)
{
@@ -140,6 +142,12 @@ static void scsi_mq_requeue_cmd(struct scsi_cmnd *cmd)
{
struct scsi_device *sdev = cmd->device;
+ if (cmd->request->rq_flags & RQF_DONTPREP) {
+ cmd->request->rq_flags &= ~RQF_DONTPREP;
+ scsi_mq_uninit_cmd(cmd);
+ } else {
+ WARN_ON_ONCE(true);
+ }
blk_mq_requeue_request(cmd->request, true);
put_device(&sdev->sdev_gendev);
}
@@ -627,7 +635,7 @@ static void scsi_release_bidi_buffers(struct scsi_cmnd *cmd)
static bool scsi_end_request(struct request *req, blk_status_t error,
unsigned int bytes, unsigned int bidi_bytes)
{
- struct scsi_cmnd *cmd = req->special;
+ struct scsi_cmnd *cmd = blk_mq_rq_to_pdu(req);
struct scsi_device *sdev = cmd->device;
struct request_queue *q = sdev->request_queue;
@@ -642,6 +650,11 @@ static bool scsi_end_request(struct request *req, blk_status_t error,
if (blk_queue_add_random(q))
add_disk_randomness(req->rq_disk);
+ if (!blk_rq_is_scsi(req)) {
+ WARN_ON_ONCE(!(cmd->flags & SCMD_INITIALIZED));
+ cmd->flags &= ~SCMD_INITIALIZED;
+ }
+
if (req->mq_ctx) {
/*
* In the MQ case the command gets freed by __blk_mq_end_request,
@@ -977,8 +990,6 @@ void scsi_io_completion(struct scsi_cmnd *cmd, unsigned int good_bytes)
* A new command will be prepared and issued.
*/
if (q->mq_ops) {
- cmd->request->rq_flags &= ~RQF_DONTPREP;
- scsi_mq_uninit_cmd(cmd);
scsi_mq_requeue_cmd(cmd);
} else {
scsi_release_buffers(cmd);
@@ -1107,15 +1118,23 @@ err_exit:
EXPORT_SYMBOL(scsi_init_io);
/**
- * scsi_initialize_rq - initialize struct scsi_cmnd.req
+ * scsi_initialize_rq - initialize struct scsi_cmnd partially
+ * @rq: Request associated with the SCSI command to be initialized.
+ *
+ * This function initializes the members of struct scsi_cmnd that must be
+ * initialized before request processing starts and that won't be
+ * reinitialized if a SCSI command is requeued.
*
- * Called from inside blk_get_request().
+ * Called from inside blk_get_request() for pass-through requests and from
+ * inside scsi_init_command() for filesystem requests.
*/
void scsi_initialize_rq(struct request *rq)
{
struct scsi_cmnd *cmd = blk_mq_rq_to_pdu(rq);
scsi_req_init(&cmd->req);
+ cmd->jiffies_at_alloc = jiffies;
+ cmd->retries = 0;
}
EXPORT_SYMBOL(scsi_initialize_rq);
@@ -1153,8 +1172,18 @@ void scsi_init_command(struct scsi_device *dev, struct scsi_cmnd *cmd)
{
void *buf = cmd->sense_buffer;
void *prot = cmd->prot_sdb;
- unsigned int unchecked_isa_dma = cmd->flags & SCMD_UNCHECKED_ISA_DMA;
+ struct request *rq = blk_mq_rq_from_pdu(cmd);
+ unsigned int flags = cmd->flags & SCMD_PRESERVED_FLAGS;
+ unsigned long jiffies_at_alloc;
+ int retries;
+
+ if (!blk_rq_is_scsi(rq) && !(flags & SCMD_INITIALIZED)) {
+ flags |= SCMD_INITIALIZED;
+ scsi_initialize_rq(rq);
+ }
+ jiffies_at_alloc = cmd->jiffies_at_alloc;
+ retries = cmd->retries;
/* zero out the cmd, except for the embedded scsi_request */
memset((char *)cmd + sizeof(cmd->req), 0,
sizeof(*cmd) - sizeof(cmd->req) + dev->host->hostt->cmd_size);
@@ -1162,16 +1191,17 @@ void scsi_init_command(struct scsi_device *dev, struct scsi_cmnd *cmd)
cmd->device = dev;
cmd->sense_buffer = buf;
cmd->prot_sdb = prot;
- cmd->flags = unchecked_isa_dma;
+ cmd->flags = flags;
INIT_DELAYED_WORK(&cmd->abort_work, scmd_eh_abort_handler);
- cmd->jiffies_at_alloc = jiffies;
+ cmd->jiffies_at_alloc = jiffies_at_alloc;
+ cmd->retries = retries;
scsi_add_cmd_to_list(cmd);
}
static int scsi_setup_scsi_cmnd(struct scsi_device *sdev, struct request *req)
{
- struct scsi_cmnd *cmd = req->special;
+ struct scsi_cmnd *cmd = blk_mq_rq_to_pdu(req);
/*
* Passthrough requests may transfer data, in which case they must
@@ -1202,7 +1232,7 @@ static int scsi_setup_scsi_cmnd(struct scsi_device *sdev, struct request *req)
*/
static int scsi_setup_fs_cmnd(struct scsi_device *sdev, struct request *req)
{
- struct scsi_cmnd *cmd = req->special;
+ struct scsi_cmnd *cmd = blk_mq_rq_to_pdu(req);
if (unlikely(sdev->handler && sdev->handler->prep_fn)) {
int ret = sdev->handler->prep_fn(sdev, req);
@@ -1217,7 +1247,7 @@ static int scsi_setup_fs_cmnd(struct scsi_device *sdev, struct request *req)
static int scsi_setup_cmnd(struct scsi_device *sdev, struct request *req)
{
- struct scsi_cmnd *cmd = req->special;
+ struct scsi_cmnd *cmd = blk_mq_rq_to_pdu(req);
if (!blk_rq_bytes(req))
cmd->sc_data_direction = DMA_NONE;
@@ -1349,12 +1379,14 @@ static int scsi_prep_fn(struct request_queue *q, struct request *req)
ret = scsi_setup_cmnd(sdev, req);
out:
+ if (ret != BLKPREP_OK)
+ cmd->flags &= ~SCMD_INITIALIZED;
return scsi_prep_return(q, req, ret);
}
static void scsi_unprep_fn(struct request_queue *q, struct request *req)
{
- scsi_uninit_cmd(req->special);
+ scsi_uninit_cmd(blk_mq_rq_to_pdu(req));
}
/*
@@ -1545,7 +1577,7 @@ static int scsi_lld_busy(struct request_queue *q)
*/
static void scsi_kill_request(struct request *req, struct request_queue *q)
{
- struct scsi_cmnd *cmd = req->special;
+ struct scsi_cmnd *cmd = blk_mq_rq_to_pdu(req);
struct scsi_device *sdev;
struct scsi_target *starget;
struct Scsi_Host *shost;
@@ -1576,7 +1608,7 @@ static void scsi_kill_request(struct request *req, struct request_queue *q)
static void scsi_softirq_done(struct request *rq)
{
- struct scsi_cmnd *cmd = rq->special;
+ struct scsi_cmnd *cmd = blk_mq_rq_to_pdu(rq);
unsigned long wait_for = (cmd->allowed + 1) * rq->timeout;
int disposition;
@@ -1764,8 +1796,8 @@ static void scsi_request_fn(struct request_queue *q)
blk_start_request(req);
spin_unlock_irq(q->queue_lock);
- cmd = req->special;
- if (unlikely(cmd == NULL)) {
+ cmd = blk_mq_rq_to_pdu(req);
+ if (cmd != req->special) {
printk(KERN_CRIT "impossible request in %s.\n"
"please mail a stack trace to "
"linux-scsi@vger.kernel.org\n",
@@ -1868,6 +1900,7 @@ static int scsi_mq_prep_fn(struct request *req)
struct scsi_device *sdev = req->q->queuedata;
struct Scsi_Host *shost = sdev->host;
struct scatterlist *sg;
+ int ret;
scsi_init_command(sdev, cmd);
@@ -1901,7 +1934,10 @@ static int scsi_mq_prep_fn(struct request *req)
blk_mq_start_request(req);
- return scsi_setup_cmnd(sdev, req);
+ ret = scsi_setup_cmnd(sdev, req);
+ if (ret != BLK_STS_OK)
+ cmd->flags &= ~SCMD_INITIALIZED;
+ return ret;
}
static void scsi_mq_done(struct scsi_cmnd *cmd)
@@ -2001,8 +2037,8 @@ static enum blk_eh_timer_return scsi_timeout(struct request *req,
return scsi_times_out(req);
}
-static int scsi_init_request(struct blk_mq_tag_set *set, struct request *rq,
- unsigned int hctx_idx, unsigned int numa_node)
+static int scsi_mq_init_request(struct blk_mq_tag_set *set, struct request *rq,
+ unsigned int hctx_idx, unsigned int numa_node)
{
struct Scsi_Host *shost = set->driver_data;
const bool unchecked_isa_dma = shost->unchecked_isa_dma;
@@ -2026,8 +2062,8 @@ static int scsi_init_request(struct blk_mq_tag_set *set, struct request *rq,
return 0;
}
-static void scsi_exit_request(struct blk_mq_tag_set *set, struct request *rq,
- unsigned int hctx_idx)
+static void scsi_mq_exit_request(struct blk_mq_tag_set *set, struct request *rq,
+ unsigned int hctx_idx)
{
struct scsi_cmnd *cmd = blk_mq_rq_to_pdu(rq);
@@ -2104,7 +2140,8 @@ void __scsi_init_queue(struct Scsi_Host *shost, struct request_queue *q)
}
EXPORT_SYMBOL_GPL(__scsi_init_queue);
-static int scsi_init_rq(struct request_queue *q, struct request *rq, gfp_t gfp)
+static int scsi_old_init_rq(struct request_queue *q, struct request *rq,
+ gfp_t gfp)
{
struct Scsi_Host *shost = q->rq_alloc_data;
const bool unchecked_isa_dma = shost->unchecked_isa_dma;
@@ -2134,7 +2171,7 @@ fail:
return -ENOMEM;
}
-static void scsi_exit_rq(struct request_queue *q, struct request *rq)
+static void scsi_old_exit_rq(struct request_queue *q, struct request *rq)
{
struct scsi_cmnd *cmd = blk_mq_rq_to_pdu(rq);
@@ -2144,7 +2181,7 @@ static void scsi_exit_rq(struct request_queue *q, struct request *rq)
cmd->sense_buffer);
}
-struct request_queue *scsi_alloc_queue(struct scsi_device *sdev)
+struct request_queue *scsi_old_alloc_queue(struct scsi_device *sdev)
{
struct Scsi_Host *shost = sdev->host;
struct request_queue *q;
@@ -2155,8 +2192,8 @@ struct request_queue *scsi_alloc_queue(struct scsi_device *sdev)
q->cmd_size = sizeof(struct scsi_cmnd) + shost->hostt->cmd_size;
q->rq_alloc_data = shost;
q->request_fn = scsi_request_fn;
- q->init_rq_fn = scsi_init_rq;
- q->exit_rq_fn = scsi_exit_rq;
+ q->init_rq_fn = scsi_old_init_rq;
+ q->exit_rq_fn = scsi_old_exit_rq;
q->initialize_rq_fn = scsi_initialize_rq;
if (blk_init_allocated_queue(q) < 0) {
@@ -2180,8 +2217,8 @@ static const struct blk_mq_ops scsi_mq_ops = {
#ifdef CONFIG_BLK_DEBUG_FS
.show_rq = scsi_show_rq,
#endif
- .init_request = scsi_init_request,
- .exit_request = scsi_exit_request,
+ .init_request = scsi_mq_init_request,
+ .exit_request = scsi_mq_exit_request,
.initialize_rq_fn = scsi_initialize_rq,
.map_queues = scsi_map_queues,
};
@@ -2547,7 +2584,7 @@ EXPORT_SYMBOL(scsi_test_unit_ready);
* @sdev: scsi device to change the state of.
* @state: state to change to.
*
- * Returns zero if unsuccessful or an error if the requested
+ * Returns zero if successful or an error if the requested
* transition is illegal.
*/
int
@@ -2654,6 +2691,7 @@ scsi_device_set_state(struct scsi_device *sdev, enum scsi_device_state state)
}
sdev->sdev_state = state;
+ sysfs_notify(&sdev->sdev_gendev.kobj, NULL, "state");
return 0;
illegal:
@@ -3073,19 +3111,26 @@ int scsi_internal_device_unblock_nowait(struct scsi_device *sdev,
* Try to transition the scsi device to SDEV_RUNNING or one of the
* offlined states and goose the device queue if successful.
*/
- if ((sdev->sdev_state == SDEV_BLOCK) ||
- (sdev->sdev_state == SDEV_TRANSPORT_OFFLINE))
+ switch (sdev->sdev_state) {
+ case SDEV_BLOCK:
+ case SDEV_TRANSPORT_OFFLINE:
sdev->sdev_state = new_state;
- else if (sdev->sdev_state == SDEV_CREATED_BLOCK) {
+ sysfs_notify(&sdev->sdev_gendev.kobj, NULL, "state");
+ break;
+ case SDEV_CREATED_BLOCK:
if (new_state == SDEV_TRANSPORT_OFFLINE ||
new_state == SDEV_OFFLINE)
sdev->sdev_state = new_state;
else
sdev->sdev_state = SDEV_CREATED;
- } else if (sdev->sdev_state != SDEV_CANCEL &&
- sdev->sdev_state != SDEV_OFFLINE)
+ sysfs_notify(&sdev->sdev_gendev.kobj, NULL, "state");
+ break;
+ case SDEV_CANCEL:
+ case SDEV_OFFLINE:
+ break;
+ default:
return -EINVAL;
-
+ }
scsi_start_queue(sdev);
return 0;
@@ -3262,8 +3307,8 @@ int scsi_vpd_lun_id(struct scsi_device *sdev, char *id, size_t id_len)
{
u8 cur_id_type = 0xff;
u8 cur_id_size = 0;
- unsigned char *d, *cur_id_str;
- unsigned char __rcu *vpd_pg83;
+ const unsigned char *d, *cur_id_str;
+ const struct scsi_vpd *vpd_pg83;
int id_size = -EINVAL;
rcu_read_lock();
@@ -3294,8 +3339,8 @@ int scsi_vpd_lun_id(struct scsi_device *sdev, char *id, size_t id_len)
}
memset(id, 0, id_len);
- d = vpd_pg83 + 4;
- while (d < vpd_pg83 + sdev->vpd_pg83_len) {
+ d = vpd_pg83->data + 4;
+ while (d < vpd_pg83->data + vpd_pg83->len) {
/* Skip designators not referring to the LUN */
if ((d[1] & 0x30) != 0x00)
goto next_desig;
@@ -3411,8 +3456,8 @@ EXPORT_SYMBOL(scsi_vpd_lun_id);
*/
int scsi_vpd_tpg_id(struct scsi_device *sdev, int *rel_id)
{
- unsigned char *d;
- unsigned char __rcu *vpd_pg83;
+ const unsigned char *d;
+ const struct scsi_vpd *vpd_pg83;
int group_id = -EAGAIN, rel_port = -1;
rcu_read_lock();
@@ -3422,8 +3467,8 @@ int scsi_vpd_tpg_id(struct scsi_device *sdev, int *rel_id)
return -ENXIO;
}
- d = sdev->vpd_pg83 + 4;
- while (d < sdev->vpd_pg83 + sdev->vpd_pg83_len) {
+ d = vpd_pg83->data + 4;
+ while (d < vpd_pg83->data + vpd_pg83->len) {
switch (d[1] & 0xf) {
case 0x4:
/* Relative target port */
diff --git a/drivers/scsi/scsi_priv.h b/drivers/scsi/scsi_priv.h
index c11c1f9c912c..5c6d016a5ae9 100644
--- a/drivers/scsi/scsi_priv.h
+++ b/drivers/scsi/scsi_priv.h
@@ -88,7 +88,7 @@ extern void scsi_queue_insert(struct scsi_cmnd *cmd, int reason);
extern void scsi_io_completion(struct scsi_cmnd *, unsigned int);
extern void scsi_run_host_queues(struct Scsi_Host *shost);
extern void scsi_requeue_run_queue(struct work_struct *work);
-extern struct request_queue *scsi_alloc_queue(struct scsi_device *sdev);
+extern struct request_queue *scsi_old_alloc_queue(struct scsi_device *sdev);
extern struct request_queue *scsi_mq_alloc_queue(struct scsi_device *sdev);
extern void scsi_start_queue(struct scsi_device *sdev);
extern int scsi_mq_setup_tags(struct Scsi_Host *shost);
diff --git a/drivers/scsi/scsi_scan.c b/drivers/scsi/scsi_scan.c
index fd88dabd599d..e7818afeda2b 100644
--- a/drivers/scsi/scsi_scan.c
+++ b/drivers/scsi/scsi_scan.c
@@ -268,7 +268,7 @@ static struct scsi_device *scsi_alloc_sdev(struct scsi_target *starget,
if (shost_use_blk_mq(shost))
sdev->request_queue = scsi_mq_alloc_queue(sdev);
else
- sdev->request_queue = scsi_alloc_queue(sdev);
+ sdev->request_queue = scsi_old_alloc_queue(sdev);
if (!sdev->request_queue) {
/* release fn is set up in scsi_sysfs_device_initialise, so
* have to free and put manually here */
diff --git a/drivers/scsi/scsi_sysfs.c b/drivers/scsi/scsi_sysfs.c
index d6984df71f1c..bf53356f41f0 100644
--- a/drivers/scsi/scsi_sysfs.c
+++ b/drivers/scsi/scsi_sysfs.c
@@ -114,7 +114,7 @@ static int check_set(unsigned long long *val, char *src)
{
char *last;
- if (strncmp(src, "-", 20) == 0) {
+ if (strcmp(src, "-") == 0) {
*val = SCAN_WILD_CARD;
} else {
/*
@@ -303,6 +303,8 @@ store_host_reset(struct device *dev, struct device_attribute *attr,
if (sht->host_reset)
ret = sht->host_reset(shost, type);
+ else
+ ret = -EOPNOTSUPP;
exit_store_host_reset:
if (ret == 0)
@@ -426,6 +428,7 @@ static void scsi_device_dev_release_usercontext(struct work_struct *work)
struct scsi_device *sdev;
struct device *parent;
struct list_head *this, *tmp;
+ struct scsi_vpd *vpd_pg80 = NULL, *vpd_pg83 = NULL;
unsigned long flags;
sdev = container_of(work, struct scsi_device, ew.work);
@@ -454,8 +457,17 @@ static void scsi_device_dev_release_usercontext(struct work_struct *work)
/* NULL queue means the device can't be used */
sdev->request_queue = NULL;
- kfree(sdev->vpd_pg83);
- kfree(sdev->vpd_pg80);
+ mutex_lock(&sdev->inquiry_mutex);
+ rcu_swap_protected(sdev->vpd_pg80, vpd_pg80,
+ lockdep_is_held(&sdev->inquiry_mutex));
+ rcu_swap_protected(sdev->vpd_pg83, vpd_pg83,
+ lockdep_is_held(&sdev->inquiry_mutex));
+ mutex_unlock(&sdev->inquiry_mutex);
+
+ if (vpd_pg83)
+ kfree_rcu(vpd_pg83, rcu);
+ if (vpd_pg80)
+ kfree_rcu(vpd_pg80, rcu);
kfree(sdev->inquiry);
kfree(sdev);
@@ -793,15 +805,16 @@ show_vpd_##_page(struct file *filp, struct kobject *kobj, \
{ \
struct device *dev = container_of(kobj, struct device, kobj); \
struct scsi_device *sdev = to_scsi_device(dev); \
- int ret; \
- if (!sdev->vpd_##_page) \
- return -EINVAL; \
+ struct scsi_vpd *vpd_page; \
+ int ret = -EINVAL; \
+ \
rcu_read_lock(); \
- ret = memory_read_from_buffer(buf, count, &off, \
- rcu_dereference(sdev->vpd_##_page), \
- sdev->vpd_##_page##_len); \
+ vpd_page = rcu_dereference(sdev->vpd_##_page); \
+ if (vpd_page) \
+ ret = memory_read_from_buffer(buf, count, &off, \
+ vpd_page->data, vpd_page->len); \
rcu_read_unlock(); \
- return ret; \
+ return ret; \
} \
static struct bin_attribute dev_attr_vpd_##_page = { \
.attr = {.name = __stringify(vpd_##_page), .mode = S_IRUGO }, \
diff --git a/drivers/scsi/scsi_transport_fc.c b/drivers/scsi/scsi_transport_fc.c
index 892fbd9800d9..3c6bc0081fcb 100644
--- a/drivers/scsi/scsi_transport_fc.c
+++ b/drivers/scsi/scsi_transport_fc.c
@@ -3276,8 +3276,8 @@ fc_scsi_scan_rport(struct work_struct *work)
}
/**
- * fc_block_scsi_eh - Block SCSI eh thread for blocked fc_rport
- * @cmnd: SCSI command that scsi_eh is trying to recover
+ * fc_block_rport() - Block SCSI eh thread for blocked fc_rport.
+ * @rport: Remote port that scsi_eh is trying to recover.
*
* This routine can be called from a FC LLD scsi_eh callback. It
* blocks the scsi_eh thread until the fc_rport leaves the
@@ -3289,10 +3289,9 @@ fc_scsi_scan_rport(struct work_struct *work)
* FAST_IO_FAIL if the fast_io_fail_tmo fired, this should be
* passed back to scsi_eh.
*/
-int fc_block_scsi_eh(struct scsi_cmnd *cmnd)
+int fc_block_rport(struct fc_rport *rport)
{
- struct Scsi_Host *shost = cmnd->device->host;
- struct fc_rport *rport = starget_to_rport(scsi_target(cmnd->device));
+ struct Scsi_Host *shost = rport_to_shost(rport);
unsigned long flags;
spin_lock_irqsave(shost->host_lock, flags);
@@ -3309,6 +3308,28 @@ int fc_block_scsi_eh(struct scsi_cmnd *cmnd)
return 0;
}
+EXPORT_SYMBOL(fc_block_rport);
+
+/**
+ * fc_block_scsi_eh - Block SCSI eh thread for blocked fc_rport
+ * @cmnd: SCSI command that scsi_eh is trying to recover
+ *
+ * This routine can be called from a FC LLD scsi_eh callback. It
+ * blocks the scsi_eh thread until the fc_rport leaves the
+ * FC_PORTSTATE_BLOCKED, or the fast_io_fail_tmo fires. This is
+ * necessary to avoid the scsi_eh failing recovery actions for blocked
+ * rports which would lead to offlined SCSI devices.
+ *
+ * Returns: 0 if the fc_rport left the state FC_PORTSTATE_BLOCKED.
+ * FAST_IO_FAIL if the fast_io_fail_tmo fired, this should be
+ * passed back to scsi_eh.
+ */
+int fc_block_scsi_eh(struct scsi_cmnd *cmnd)
+{
+ struct fc_rport *rport = starget_to_rport(scsi_target(cmnd->device));
+
+ return fc_block_rport(rport);
+}
EXPORT_SYMBOL(fc_block_scsi_eh);
/**
@@ -3763,7 +3784,8 @@ fc_bsg_hostadd(struct Scsi_Host *shost, struct fc_host_attrs *fc_host)
snprintf(bsg_name, sizeof(bsg_name),
"fc_host%d", shost->host_no);
- q = bsg_setup_queue(dev, bsg_name, fc_bsg_dispatch, i->f->dd_bsg_size);
+ q = bsg_setup_queue(dev, bsg_name, fc_bsg_dispatch, i->f->dd_bsg_size,
+ NULL);
if (IS_ERR(q)) {
dev_err(dev,
"fc_host%d: bsg interface failed to initialize - setup queue\n",
@@ -3808,7 +3830,8 @@ fc_bsg_rportadd(struct Scsi_Host *shost, struct fc_rport *rport)
if (!i->f->bsg_request)
return -ENOTSUPP;
- q = bsg_setup_queue(dev, NULL, fc_bsg_dispatch, i->f->dd_bsg_size);
+ q = bsg_setup_queue(dev, NULL, fc_bsg_dispatch, i->f->dd_bsg_size,
+ NULL);
if (IS_ERR(q)) {
dev_err(dev, "failed to setup bsg queue\n");
return PTR_ERR(q);
diff --git a/drivers/scsi/scsi_transport_iscsi.c b/drivers/scsi/scsi_transport_iscsi.c
index a424eaeafeb0..8934f19bce8e 100644
--- a/drivers/scsi/scsi_transport_iscsi.c
+++ b/drivers/scsi/scsi_transport_iscsi.c
@@ -1009,7 +1009,7 @@ static void iscsi_flashnode_sess_release(struct device *dev)
kfree(fnode_sess);
}
-static struct device_type iscsi_flashnode_sess_dev_type = {
+static const struct device_type iscsi_flashnode_sess_dev_type = {
.name = "iscsi_flashnode_sess_dev_type",
.groups = iscsi_flashnode_sess_attr_groups,
.release = iscsi_flashnode_sess_release,
@@ -1195,7 +1195,7 @@ static void iscsi_flashnode_conn_release(struct device *dev)
kfree(fnode_conn);
}
-static struct device_type iscsi_flashnode_conn_dev_type = {
+static const struct device_type iscsi_flashnode_conn_dev_type = {
.name = "iscsi_flashnode_conn_dev_type",
.groups = iscsi_flashnode_conn_attr_groups,
.release = iscsi_flashnode_conn_release,
@@ -1542,7 +1542,7 @@ iscsi_bsg_host_add(struct Scsi_Host *shost, struct iscsi_cls_host *ihost)
return -ENOTSUPP;
snprintf(bsg_name, sizeof(bsg_name), "iscsi_host%d", shost->host_no);
- q = bsg_setup_queue(dev, bsg_name, iscsi_bsg_host_dispatch, 0);
+ q = bsg_setup_queue(dev, bsg_name, iscsi_bsg_host_dispatch, 0, NULL);
if (IS_ERR(q)) {
shost_printk(KERN_ERR, shost, "bsg interface failed to "
"initialize - no request queue\n");
diff --git a/drivers/scsi/scsi_transport_sas.c b/drivers/scsi/scsi_transport_sas.c
index 5006a656e16a..319dff970237 100644
--- a/drivers/scsi/scsi_transport_sas.c
+++ b/drivers/scsi/scsi_transport_sas.c
@@ -169,39 +169,22 @@ static struct sas_end_device *sas_sdev_to_rdev(struct scsi_device *sdev)
return rdev;
}
-static void sas_smp_request(struct request_queue *q, struct Scsi_Host *shost,
- struct sas_rphy *rphy)
+static int sas_smp_dispatch(struct bsg_job *job)
{
- struct request *req;
- blk_status_t ret;
- int (*handler)(struct Scsi_Host *, struct sas_rphy *, struct request *);
+ struct Scsi_Host *shost = dev_to_shost(job->dev);
+ struct sas_rphy *rphy = NULL;
- while ((req = blk_fetch_request(q)) != NULL) {
- spin_unlock_irq(q->queue_lock);
+ if (!scsi_is_host_device(job->dev))
+ rphy = dev_to_rphy(job->dev);
- scsi_req(req)->resid_len = blk_rq_bytes(req);
- if (req->next_rq)
- scsi_req(req->next_rq)->resid_len =
- blk_rq_bytes(req->next_rq);
- handler = to_sas_internal(shost->transportt)->f->smp_handler;
- ret = handler(shost, rphy, req);
- scsi_req(req)->result = ret;
-
- blk_end_request_all(req, 0);
-
- spin_lock_irq(q->queue_lock);
+ if (!job->req->next_rq) {
+ dev_warn(job->dev, "space for a smp response is missing\n");
+ bsg_job_done(job, -EINVAL, 0);
+ return 0;
}
-}
-
-static void sas_host_smp_request(struct request_queue *q)
-{
- sas_smp_request(q, (struct Scsi_Host *)q->queuedata, NULL);
-}
-static void sas_non_host_smp_request(struct request_queue *q)
-{
- struct sas_rphy *rphy = q->queuedata;
- sas_smp_request(q, rphy_to_shost(rphy), rphy);
+ to_sas_internal(shost->transportt)->f->smp_handler(job, shost, rphy);
+ return 0;
}
static void sas_host_release(struct device *dev)
@@ -217,81 +200,36 @@ static void sas_host_release(struct device *dev)
static int sas_bsg_initialize(struct Scsi_Host *shost, struct sas_rphy *rphy)
{
struct request_queue *q;
- int error;
- struct device *dev;
- char namebuf[20];
- const char *name;
- void (*release)(struct device *);
if (!to_sas_internal(shost->transportt)->f->smp_handler) {
printk("%s can't handle SMP requests\n", shost->hostt->name);
return 0;
}
- q = blk_alloc_queue(GFP_KERNEL);
- if (!q)
- return -ENOMEM;
- q->initialize_rq_fn = scsi_initialize_rq;
- q->cmd_size = sizeof(struct scsi_request);
-
if (rphy) {
- q->request_fn = sas_non_host_smp_request;
- dev = &rphy->dev;
- name = dev_name(dev);
- release = NULL;
+ q = bsg_setup_queue(&rphy->dev, dev_name(&rphy->dev),
+ sas_smp_dispatch, 0, NULL);
+ if (IS_ERR(q))
+ return PTR_ERR(q);
+ rphy->q = q;
} else {
- q->request_fn = sas_host_smp_request;
- dev = &shost->shost_gendev;
- snprintf(namebuf, sizeof(namebuf),
- "sas_host%d", shost->host_no);
- name = namebuf;
- release = sas_host_release;
+ char name[20];
+
+ snprintf(name, sizeof(name), "sas_host%d", shost->host_no);
+ q = bsg_setup_queue(&shost->shost_gendev, name,
+ sas_smp_dispatch, 0, sas_host_release);
+ if (IS_ERR(q))
+ return PTR_ERR(q);
+ to_sas_host_attrs(shost)->q = q;
}
- error = blk_init_allocated_queue(q);
- if (error)
- goto out_cleanup_queue;
/*
* by default assume old behaviour and bounce for any highmem page
*/
blk_queue_bounce_limit(q, BLK_BOUNCE_HIGH);
-
- error = bsg_register_queue(q, dev, name, release);
- if (error)
- goto out_cleanup_queue;
-
- if (rphy)
- rphy->q = q;
- else
- to_sas_host_attrs(shost)->q = q;
-
- if (rphy)
- q->queuedata = rphy;
- else
- q->queuedata = shost;
-
queue_flag_set_unlocked(QUEUE_FLAG_BIDI, q);
queue_flag_set_unlocked(QUEUE_FLAG_SCSI_PASSTHROUGH, q);
return 0;
-
-out_cleanup_queue:
- blk_cleanup_queue(q);
- return error;
-}
-
-static void sas_bsg_remove(struct Scsi_Host *shost, struct sas_rphy *rphy)
-{
- struct request_queue *q;
-
- if (rphy)
- q = rphy->q;
- else
- q = to_sas_host_attrs(shost)->q;
-
- if (!q)
- return;
-
- bsg_unregister_queue(q);
}
/*
@@ -321,9 +259,10 @@ static int sas_host_remove(struct transport_container *tc, struct device *dev,
struct device *cdev)
{
struct Scsi_Host *shost = dev_to_shost(dev);
+ struct request_queue *q = to_sas_host_attrs(shost)->q;
- sas_bsg_remove(shost, NULL);
-
+ if (q)
+ bsg_unregister_queue(q);
return 0;
}
@@ -421,6 +360,9 @@ sas_tlr_supported(struct scsi_device *sdev)
char *buffer = kzalloc(vpd_len, GFP_KERNEL);
int ret = 0;
+ if (!buffer)
+ goto out;
+
if (scsi_get_vpd_page(sdev, 0x90, buffer, vpd_len))
goto out;
@@ -1710,7 +1652,8 @@ sas_rphy_remove(struct sas_rphy *rphy)
}
sas_rphy_unlink(rphy);
- sas_bsg_remove(NULL, rphy);
+ if (rphy->q)
+ bsg_unregister_queue(rphy->q);
transport_remove_device(dev);
device_del(dev);
}
diff --git a/drivers/scsi/scsi_transport_srp.c b/drivers/scsi/scsi_transport_srp.c
index f617021c94f7..4f6f01cf9968 100644
--- a/drivers/scsi/scsi_transport_srp.c
+++ b/drivers/scsi/scsi_transport_srp.c
@@ -78,7 +78,7 @@ static inline struct srp_rport *shost_to_rport(struct Scsi_Host *shost)
* parameters must be such that multipath can detect failed paths timely.
* Hence do not allow all three parameters to be disabled simultaneously.
*/
-int srp_tmo_valid(int reconnect_delay, int fast_io_fail_tmo, int dev_loss_tmo)
+int srp_tmo_valid(int reconnect_delay, int fast_io_fail_tmo, long dev_loss_tmo)
{
if (reconnect_delay < 0 && fast_io_fail_tmo < 0 && dev_loss_tmo < 0)
return -EINVAL;
@@ -556,8 +556,11 @@ int srp_reconnect_rport(struct srp_rport *rport)
*/
shost_for_each_device(sdev, shost) {
mutex_lock(&sdev->state_mutex);
- if (sdev->sdev_state == SDEV_OFFLINE)
+ if (sdev->sdev_state == SDEV_OFFLINE) {
sdev->sdev_state = SDEV_RUNNING;
+ sysfs_notify(&sdev->sdev_gendev.kobj,
+ NULL, "state");
+ }
mutex_unlock(&sdev->state_mutex);
}
} else if (rport->state == SRP_RPORT_RUNNING) {
diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c
index e2647f2d4430..11c1738c2100 100644
--- a/drivers/scsi/sd.c
+++ b/drivers/scsi/sd.c
@@ -312,7 +312,7 @@ protection_type_store(struct device *dev, struct device_attribute *attr,
if (err)
return err;
- if (val >= 0 && val <= T10_PI_TYPE3_PROTECTION)
+ if (val <= T10_PI_TYPE3_PROTECTION)
sdkp->protection_type = val;
return count;
@@ -1013,7 +1013,7 @@ static int sd_setup_read_write_cmnd(struct scsi_cmnd *SCpnt)
ret = scsi_init_io(SCpnt);
if (ret != BLKPREP_OK)
goto out;
- SCpnt = rq->special;
+ WARN_ON_ONCE(SCpnt != rq->special);
/* from here on until we're complete, any goto out
* is used for a killable error condition */
@@ -3226,7 +3226,6 @@ static void sd_probe_async(void *data, async_cookie_t cookie)
gd->major = sd_major((index & 0xf0) >> 4);
gd->first_minor = ((index & 0xf) << 4) | (index & 0xfff00);
- gd->minors = SD_MINORS;
gd->fops = &sd_fops;
gd->private_data = &sdkp->driver;
@@ -3540,7 +3539,7 @@ static int sd_suspend_common(struct device *dev, bool ignore_stop_errors)
* doesn't support sync. There's not much to do and
* suspend shouldn't fail.
*/
- ret = 0;
+ ret = 0;
}
}
diff --git a/drivers/scsi/ses.c b/drivers/scsi/ses.c
index 8927f9f54ad9..11826c5c2dd4 100644
--- a/drivers/scsi/ses.c
+++ b/drivers/scsi/ses.c
@@ -51,6 +51,13 @@ struct ses_component {
u64 addr;
};
+static bool ses_page2_supported(struct enclosure_device *edev)
+{
+ struct ses_device *ses_dev = edev->scratch;
+
+ return (ses_dev->page2 != NULL);
+}
+
static int ses_probe(struct device *dev)
{
struct scsi_device *sdev = to_scsi_device(dev);
@@ -179,7 +186,8 @@ static unsigned char *ses_get_page2_descriptor(struct enclosure_device *edev,
unsigned char *type_ptr = ses_dev->page1_types;
unsigned char *desc_ptr = ses_dev->page2 + 8;
- ses_recv_diag(sdev, 2, ses_dev->page2, ses_dev->page2_len);
+ if (ses_recv_diag(sdev, 2, ses_dev->page2, ses_dev->page2_len) < 0)
+ return NULL;
for (i = 0; i < ses_dev->page1_num_types; i++, type_ptr += 4) {
for (j = 0; j < type_ptr[1]; j++) {
@@ -203,6 +211,10 @@ static void ses_get_fault(struct enclosure_device *edev,
{
unsigned char *desc;
+ if (!ses_page2_supported(edev)) {
+ ecomp->fault = 0;
+ return;
+ }
desc = ses_get_page2_descriptor(edev, ecomp);
if (desc)
ecomp->fault = (desc[3] & 0x60) >> 4;
@@ -215,6 +227,9 @@ static int ses_set_fault(struct enclosure_device *edev,
unsigned char desc[4];
unsigned char *desc_ptr;
+ if (!ses_page2_supported(edev))
+ return -EINVAL;
+
desc_ptr = ses_get_page2_descriptor(edev, ecomp);
if (!desc_ptr)
@@ -242,6 +257,10 @@ static void ses_get_status(struct enclosure_device *edev,
{
unsigned char *desc;
+ if (!ses_page2_supported(edev)) {
+ ecomp->status = 0;
+ return;
+ }
desc = ses_get_page2_descriptor(edev, ecomp);
if (desc)
ecomp->status = (desc[0] & 0x0f);
@@ -252,6 +271,10 @@ static void ses_get_locate(struct enclosure_device *edev,
{
unsigned char *desc;
+ if (!ses_page2_supported(edev)) {
+ ecomp->locate = 0;
+ return;
+ }
desc = ses_get_page2_descriptor(edev, ecomp);
if (desc)
ecomp->locate = (desc[2] & 0x02) ? 1 : 0;
@@ -264,6 +287,9 @@ static int ses_set_locate(struct enclosure_device *edev,
unsigned char desc[4];
unsigned char *desc_ptr;
+ if (!ses_page2_supported(edev))
+ return -EINVAL;
+
desc_ptr = ses_get_page2_descriptor(edev, ecomp);
if (!desc_ptr)
@@ -292,6 +318,9 @@ static int ses_set_active(struct enclosure_device *edev,
unsigned char desc[4];
unsigned char *desc_ptr;
+ if (!ses_page2_supported(edev))
+ return -EINVAL;
+
desc_ptr = ses_get_page2_descriptor(edev, ecomp);
if (!desc_ptr)
@@ -328,6 +357,11 @@ static void ses_get_power_status(struct enclosure_device *edev,
{
unsigned char *desc;
+ if (!ses_page2_supported(edev)) {
+ ecomp->power_status = 0;
+ return;
+ }
+
desc = ses_get_page2_descriptor(edev, ecomp);
if (desc)
ecomp->power_status = (desc[3] & 0x10) ? 0 : 1;
@@ -340,6 +374,9 @@ static int ses_set_power_status(struct enclosure_device *edev,
unsigned char desc[4];
unsigned char *desc_ptr;
+ if (!ses_page2_supported(edev))
+ return -EINVAL;
+
desc_ptr = ses_get_page2_descriptor(edev, ecomp);
if (!desc_ptr)
@@ -601,7 +638,7 @@ static int ses_intf_add(struct device *cdev,
{
struct scsi_device *sdev = to_scsi_device(cdev->parent);
struct scsi_device *tmp_sdev;
- unsigned char *buf = NULL, *hdr_buf, *type_ptr;
+ unsigned char *buf = NULL, *hdr_buf, *type_ptr, page;
struct ses_device *ses_dev;
u32 result;
int i, types, len, components = 0;
@@ -630,7 +667,8 @@ static int ses_intf_add(struct device *cdev,
if (!hdr_buf || !ses_dev)
goto err_init_free;
- result = ses_recv_diag(sdev, 1, hdr_buf, INIT_ALLOC_SIZE);
+ page = 1;
+ result = ses_recv_diag(sdev, page, hdr_buf, INIT_ALLOC_SIZE);
if (result)
goto recv_failed;
@@ -639,7 +677,7 @@ static int ses_intf_add(struct device *cdev,
if (!buf)
goto err_free;
- result = ses_recv_diag(sdev, 1, buf, len);
+ result = ses_recv_diag(sdev, page, buf, len);
if (result)
goto recv_failed;
@@ -669,9 +707,10 @@ static int ses_intf_add(struct device *cdev,
ses_dev->page1_len = len;
buf = NULL;
- result = ses_recv_diag(sdev, 2, hdr_buf, INIT_ALLOC_SIZE);
+ page = 2;
+ result = ses_recv_diag(sdev, page, hdr_buf, INIT_ALLOC_SIZE);
if (result)
- goto recv_failed;
+ goto page2_not_supported;
len = (hdr_buf[2] << 8) + hdr_buf[3] + 4;
buf = kzalloc(len, GFP_KERNEL);
@@ -688,7 +727,8 @@ static int ses_intf_add(struct device *cdev,
/* The additional information page --- allows us
* to match up the devices */
- result = ses_recv_diag(sdev, 10, hdr_buf, INIT_ALLOC_SIZE);
+ page = 10;
+ result = ses_recv_diag(sdev, page, hdr_buf, INIT_ALLOC_SIZE);
if (!result) {
len = (hdr_buf[2] << 8) + hdr_buf[3] + 4;
@@ -696,13 +736,14 @@ static int ses_intf_add(struct device *cdev,
if (!buf)
goto err_free;
- result = ses_recv_diag(sdev, 10, buf, len);
+ result = ses_recv_diag(sdev, page, buf, len);
if (result)
goto recv_failed;
ses_dev->page10 = buf;
ses_dev->page10_len = len;
buf = NULL;
}
+page2_not_supported:
scomp = kzalloc(sizeof(struct ses_component) * components, GFP_KERNEL);
if (!scomp)
goto err_free;
@@ -734,7 +775,7 @@ static int ses_intf_add(struct device *cdev,
recv_failed:
sdev_printk(KERN_ERR, sdev, "Failed to get diagnostic page 0x%x\n",
- result);
+ page);
err = -ENODEV;
err_free:
kfree(buf);
@@ -777,8 +818,6 @@ static void ses_intf_remove_enclosure(struct scsi_device *sdev)
if (!edev)
return;
- enclosure_unregister(edev);
-
ses_dev = edev->scratch;
edev->scratch = NULL;
@@ -790,6 +829,7 @@ static void ses_intf_remove_enclosure(struct scsi_device *sdev)
kfree(edev->component[0].scratch);
put_device(&edev->edev);
+ enclosure_unregister(edev);
}
static void ses_intf_remove(struct device *cdev,
diff --git a/drivers/scsi/sg.c b/drivers/scsi/sg.c
index 84e782d8e7c3..cf0e71db9e51 100644
--- a/drivers/scsi/sg.c
+++ b/drivers/scsi/sg.c
@@ -1081,8 +1081,7 @@ sg_ioctl(struct file *filp, unsigned int cmd_in, unsigned long arg)
return blk_trace_setup(sdp->device->request_queue,
sdp->disk->disk_name,
MKDEV(SCSI_GENERIC_MAJOR, sdp->index),
- NULL,
- (char *)arg);
+ NULL, p);
case BLKTRACESTART:
return blk_trace_startstop(sdp->device->request_queue, 1);
case BLKTRACESTOP:
@@ -1233,6 +1232,7 @@ sg_mmap(struct file *filp, struct vm_area_struct *vma)
unsigned long req_sz, len, sa;
Sg_scatter_hold *rsv_schp;
int k, length;
+ int ret = 0;
if ((!filp) || (!vma) || (!(sfp = (Sg_fd *) filp->private_data)))
return -ENXIO;
@@ -1243,8 +1243,11 @@ sg_mmap(struct file *filp, struct vm_area_struct *vma)
if (vma->vm_pgoff)
return -EINVAL; /* want no offset */
rsv_schp = &sfp->reserve;
- if (req_sz > rsv_schp->bufflen)
- return -ENOMEM; /* cannot map more than reserved buffer */
+ mutex_lock(&sfp->f_mutex);
+ if (req_sz > rsv_schp->bufflen) {
+ ret = -ENOMEM; /* cannot map more than reserved buffer */
+ goto out;
+ }
sa = vma->vm_start;
length = 1 << (PAGE_SHIFT + rsv_schp->page_order);
@@ -1258,7 +1261,9 @@ sg_mmap(struct file *filp, struct vm_area_struct *vma)
vma->vm_flags |= VM_IO | VM_DONTEXPAND | VM_DONTDUMP;
vma->vm_private_data = sfp;
vma->vm_ops = &sg_mmap_vm_ops;
- return 0;
+out:
+ mutex_unlock(&sfp->f_mutex);
+ return ret;
}
static void
@@ -1735,9 +1740,12 @@ sg_start_req(Sg_request *srp, unsigned char *cmd)
!sfp->res_in_use) {
sfp->res_in_use = 1;
sg_link_reserve(sfp, srp, dxfer_len);
- } else if ((hp->flags & SG_FLAG_MMAP_IO) && sfp->res_in_use) {
+ } else if (hp->flags & SG_FLAG_MMAP_IO) {
+ res = -EBUSY; /* sfp->res_in_use == 1 */
+ if (dxfer_len > rsv_schp->bufflen)
+ res = -ENOMEM;
mutex_unlock(&sfp->f_mutex);
- return -EBUSY;
+ return res;
} else {
res = sg_build_indirect(req_schp, sfp, dxfer_len);
if (res) {
diff --git a/drivers/scsi/sgiwd93.c b/drivers/scsi/sgiwd93.c
index 80cfa93e407c..5ed696dc9bbd 100644
--- a/drivers/scsi/sgiwd93.c
+++ b/drivers/scsi/sgiwd93.c
@@ -192,20 +192,6 @@ static inline void init_hpc_chain(struct ip22_hostdata *hdata)
hcp->desc.pnext = hdata->dma;
}
-static int sgiwd93_bus_reset(struct scsi_cmnd *cmd)
-{
- /* FIXME perform bus-specific reset */
-
- /* FIXME 2: kill this function, and let midlayer fallback
- to the same result, calling wd33c93_host_reset() */
-
- spin_lock_irq(cmd->device->host->host_lock);
- wd33c93_host_reset(cmd);
- spin_unlock_irq(cmd->device->host->host_lock);
-
- return SUCCESS;
-}
-
/*
* Kludge alert - the SCSI code calls the abort and reset method with int
* arguments not with pointers. So this is going to blow up beautyfully
@@ -217,7 +203,6 @@ static struct scsi_host_template sgiwd93_template = {
.name = "SGI WD93",
.queuecommand = wd33c93_queuecommand,
.eh_abort_handler = wd33c93_abort,
- .eh_bus_reset_handler = sgiwd93_bus_reset,
.eh_host_reset_handler = wd33c93_host_reset,
.can_queue = 16,
.this_id = 7,
diff --git a/drivers/scsi/smartpqi/smartpqi.h b/drivers/scsi/smartpqi/smartpqi.h
index e164ffade38a..dc3a0542a2e8 100644
--- a/drivers/scsi/smartpqi/smartpqi.h
+++ b/drivers/scsi/smartpqi/smartpqi.h
@@ -688,6 +688,28 @@ struct pqi_config_table_heartbeat {
__le32 heartbeat_counter;
};
+union pqi_reset_register {
+ struct {
+ u32 reset_type : 3;
+ u32 reserved : 2;
+ u32 reset_action : 3;
+ u32 hold_in_pd1 : 1;
+ u32 reserved2 : 23;
+ } bits;
+ u32 all_bits;
+};
+
+#define PQI_RESET_ACTION_RESET 0x1
+
+#define PQI_RESET_TYPE_NO_RESET 0x0
+#define PQI_RESET_TYPE_SOFT_RESET 0x1
+#define PQI_RESET_TYPE_FIRM_RESET 0x2
+#define PQI_RESET_TYPE_HARD_RESET 0x3
+
+#define PQI_RESET_ACTION_COMPLETED 0x2
+
+#define PQI_RESET_POLL_INTERVAL_MSECS 100
+
#define PQI_MAX_OUTSTANDING_REQUESTS ((u32)~0)
#define PQI_MAX_OUTSTANDING_REQUESTS_KDUMP 32
#define PQI_MAX_TRANSFER_SIZE (1024U * 1024U)
@@ -995,6 +1017,7 @@ struct pqi_ctrl_info {
u8 inbound_spanning_supported : 1;
u8 outbound_spanning_supported : 1;
u8 pqi_mode_enabled : 1;
+ u8 pqi_reset_quiesce_supported : 1;
struct list_head scsi_device_list;
spinlock_t scsi_device_list_lock;
@@ -1056,9 +1079,9 @@ enum pqi_ctrl_mode {
#define BMIC_SENSE_CONTROLLER_PARAMETERS 0x64
#define BMIC_SENSE_SUBSYSTEM_INFORMATION 0x66
#define BMIC_WRITE_HOST_WELLNESS 0xa5
-#define BMIC_CACHE_FLUSH 0xc2
+#define BMIC_FLUSH_CACHE 0xc2
-#define SA_CACHE_FLUSH 0x1
+#define SA_FLUSH_CACHE 0x1
#define MASKED_DEVICE(lunid) ((lunid)[3] & 0xc0)
#define CISS_GET_LEVEL_2_BUS(lunid) ((lunid)[7] & 0x3f)
@@ -1164,6 +1187,23 @@ struct bmic_identify_physical_device {
u8 padding_to_multiple_of_512[9];
};
+struct bmic_flush_cache {
+ u8 disable_flag;
+ u8 system_power_action;
+ u8 ndu_flush;
+ u8 shutdown_event;
+ u8 reserved[28];
+};
+
+/* for shutdown_event member of struct bmic_flush_cache */
+enum bmic_flush_cache_shutdown_event {
+ NONE_CACHE_FLUSH_ONLY = 0,
+ SHUTDOWN = 1,
+ HIBERNATE = 2,
+ SUSPEND = 3,
+ RESTART = 4
+};
+
#pragma pack()
int pqi_add_sas_host(struct Scsi_Host *shost, struct pqi_ctrl_info *ctrl_info);
diff --git a/drivers/scsi/smartpqi/smartpqi_init.c b/drivers/scsi/smartpqi/smartpqi_init.c
index cb8f886e705c..83bdbd84eb01 100644
--- a/drivers/scsi/smartpqi/smartpqi_init.c
+++ b/drivers/scsi/smartpqi/smartpqi_init.c
@@ -40,11 +40,11 @@
#define BUILD_TIMESTAMP
#endif
-#define DRIVER_VERSION "1.0.4-100"
+#define DRIVER_VERSION "1.1.2-125"
#define DRIVER_MAJOR 1
-#define DRIVER_MINOR 0
-#define DRIVER_RELEASE 4
-#define DRIVER_REVISION 100
+#define DRIVER_MINOR 1
+#define DRIVER_RELEASE 2
+#define DRIVER_REVISION 125
#define DRIVER_NAME "Microsemi PQI Driver (v" \
DRIVER_VERSION BUILD_TIMESTAMP ")"
@@ -431,10 +431,10 @@ static int pqi_build_raid_path_request(struct pqi_ctrl_info *ctrl_info,
cdb[1] = CISS_GET_RAID_MAP;
put_unaligned_be32(buffer_length, &cdb[6]);
break;
- case SA_CACHE_FLUSH:
+ case SA_FLUSH_CACHE:
request->data_direction = SOP_WRITE_FLAG;
cdb[0] = BMIC_WRITE;
- cdb[6] = BMIC_CACHE_FLUSH;
+ cdb[6] = BMIC_FLUSH_CACHE;
put_unaligned_be16(buffer_length, &cdb[7]);
break;
case BMIC_IDENTIFY_CONTROLLER:
@@ -585,14 +585,13 @@ static int pqi_identify_physical_device(struct pqi_ctrl_info *ctrl_info,
return rc;
}
-#define SA_CACHE_FLUSH_BUFFER_LENGTH 4
-
-static int pqi_flush_cache(struct pqi_ctrl_info *ctrl_info)
+static int pqi_flush_cache(struct pqi_ctrl_info *ctrl_info,
+ enum bmic_flush_cache_shutdown_event shutdown_event)
{
int rc;
struct pqi_raid_path_request request;
int pci_direction;
- u8 *buffer;
+ struct bmic_flush_cache *flush_cache;
/*
* Don't bother trying to flush the cache if the controller is
@@ -601,13 +600,15 @@ static int pqi_flush_cache(struct pqi_ctrl_info *ctrl_info)
if (pqi_ctrl_offline(ctrl_info))
return -ENXIO;
- buffer = kzalloc(SA_CACHE_FLUSH_BUFFER_LENGTH, GFP_KERNEL);
- if (!buffer)
+ flush_cache = kzalloc(sizeof(*flush_cache), GFP_KERNEL);
+ if (!flush_cache)
return -ENOMEM;
+ flush_cache->shutdown_event = shutdown_event;
+
rc = pqi_build_raid_path_request(ctrl_info, &request,
- SA_CACHE_FLUSH, RAID_CTLR_LUNID, buffer,
- SA_CACHE_FLUSH_BUFFER_LENGTH, 0, &pci_direction);
+ SA_FLUSH_CACHE, RAID_CTLR_LUNID, flush_cache,
+ sizeof(*flush_cache), 0, &pci_direction);
if (rc)
goto out;
@@ -618,7 +619,7 @@ static int pqi_flush_cache(struct pqi_ctrl_info *ctrl_info)
pci_direction);
out:
- kfree(buffer);
+ kfree(flush_cache);
return rc;
}
@@ -3007,11 +3008,9 @@ static void pqi_change_irq_mode(struct pqi_ctrl_info *ctrl_info,
break;
case IRQ_MODE_INTX:
pqi_configure_legacy_intx(ctrl_info, true);
- sis_disable_msix(ctrl_info);
sis_enable_intx(ctrl_info);
break;
case IRQ_MODE_NONE:
- sis_disable_msix(ctrl_info);
break;
}
break;
@@ -3019,14 +3018,12 @@ static void pqi_change_irq_mode(struct pqi_ctrl_info *ctrl_info,
switch (new_mode) {
case IRQ_MODE_MSIX:
pqi_configure_legacy_intx(ctrl_info, false);
- sis_disable_intx(ctrl_info);
sis_enable_msix(ctrl_info);
break;
case IRQ_MODE_INTX:
break;
case IRQ_MODE_NONE:
pqi_configure_legacy_intx(ctrl_info, false);
- sis_disable_intx(ctrl_info);
break;
}
break;
@@ -5498,6 +5495,7 @@ static int pqi_passthru_ioctl(struct pqi_ctrl_info *ctrl_info, void __user *arg)
case XFER_NONE:
case XFER_WRITE:
case XFER_READ:
+ case XFER_READ | XFER_WRITE:
break;
default:
return -EINVAL;
@@ -5538,6 +5536,9 @@ static int pqi_passthru_ioctl(struct pqi_ctrl_info *ctrl_info, void __user *arg)
case XFER_READ:
request.data_direction = SOP_READ_FLAG;
break;
+ case XFER_READ | XFER_WRITE:
+ request.data_direction = SOP_BIDIRECTIONAL;
+ break;
}
request.task_attribute = SOP_TASK_ATTRIBUTE_SIMPLE;
@@ -5889,28 +5890,62 @@ static void pqi_unregister_scsi(struct pqi_ctrl_info *ctrl_info)
scsi_host_put(shost);
}
-#define PQI_RESET_ACTION_RESET 0x1
+static int pqi_wait_for_pqi_reset_completion(struct pqi_ctrl_info *ctrl_info)
+{
+ int rc = 0;
+ struct pqi_device_registers __iomem *pqi_registers;
+ unsigned long timeout;
+ unsigned int timeout_msecs;
+ union pqi_reset_register reset_reg;
-#define PQI_RESET_TYPE_NO_RESET 0x0
-#define PQI_RESET_TYPE_SOFT_RESET 0x1
-#define PQI_RESET_TYPE_FIRM_RESET 0x2
-#define PQI_RESET_TYPE_HARD_RESET 0x3
+ pqi_registers = ctrl_info->pqi_registers;
+ timeout_msecs = readw(&pqi_registers->max_reset_timeout) * 100;
+ timeout = msecs_to_jiffies(timeout_msecs) + jiffies;
+
+ while (1) {
+ msleep(PQI_RESET_POLL_INTERVAL_MSECS);
+ reset_reg.all_bits = readl(&pqi_registers->device_reset);
+ if (reset_reg.bits.reset_action == PQI_RESET_ACTION_COMPLETED)
+ break;
+ pqi_check_ctrl_health(ctrl_info);
+ if (pqi_ctrl_offline(ctrl_info)) {
+ rc = -ENXIO;
+ break;
+ }
+ if (time_after(jiffies, timeout)) {
+ rc = -ETIMEDOUT;
+ break;
+ }
+ }
+
+ return rc;
+}
static int pqi_reset(struct pqi_ctrl_info *ctrl_info)
{
int rc;
- u32 reset_params;
+ union pqi_reset_register reset_reg;
+
+ if (ctrl_info->pqi_reset_quiesce_supported) {
+ rc = sis_pqi_reset_quiesce(ctrl_info);
+ if (rc) {
+ dev_err(&ctrl_info->pci_dev->dev,
+ "PQI reset failed during quiesce with error %d\n",
+ rc);
+ return rc;
+ }
+ }
- reset_params = (PQI_RESET_ACTION_RESET << 5) |
- PQI_RESET_TYPE_HARD_RESET;
+ reset_reg.all_bits = 0;
+ reset_reg.bits.reset_type = PQI_RESET_TYPE_HARD_RESET;
+ reset_reg.bits.reset_action = PQI_RESET_ACTION_RESET;
- writel(reset_params,
- &ctrl_info->pqi_registers->device_reset);
+ writel(reset_reg.all_bits, &ctrl_info->pqi_registers->device_reset);
- rc = pqi_wait_for_pqi_mode_ready(ctrl_info);
+ rc = pqi_wait_for_pqi_reset_completion(ctrl_info);
if (rc)
dev_err(&ctrl_info->pci_dev->dev,
- "PQI reset failed\n");
+ "PQI reset failed with error %d\n", rc);
return rc;
}
@@ -6007,7 +6042,12 @@ static int pqi_revert_to_sis_mode(struct pqi_ctrl_info *ctrl_info)
rc = pqi_reset(ctrl_info);
if (rc)
return rc;
- sis_reenable_sis_mode(ctrl_info);
+ rc = sis_reenable_sis_mode(ctrl_info);
+ if (rc) {
+ dev_err(&ctrl_info->pci_dev->dev,
+ "re-enabling SIS mode failed with error %d\n", rc);
+ return rc;
+ }
pqi_save_ctrl_mode(ctrl_info, SIS_MODE);
return 0;
@@ -6659,7 +6699,8 @@ static void pqi_shutdown(struct pci_dev *pci_dev)
* Write all data in the controller's battery-backed cache to
* storage.
*/
- rc = pqi_flush_cache(ctrl_info);
+ rc = pqi_flush_cache(ctrl_info, SHUTDOWN);
+ pqi_reset(ctrl_info);
if (rc == 0)
return;
@@ -6703,7 +6744,7 @@ static __maybe_unused int pqi_suspend(struct pci_dev *pci_dev, pm_message_t stat
pqi_cancel_rescan_worker(ctrl_info);
pqi_wait_until_scan_finished(ctrl_info);
pqi_wait_until_lun_reset_finished(ctrl_info);
- pqi_flush_cache(ctrl_info);
+ pqi_flush_cache(ctrl_info, SUSPEND);
pqi_ctrl_block_requests(ctrl_info);
pqi_ctrl_wait_until_quiesced(ctrl_info);
pqi_wait_until_inbound_queues_empty(ctrl_info);
@@ -6781,7 +6822,7 @@ static const struct pci_device_id pqi_pci_id_table[] = {
},
{
PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f,
- PCI_VENDOR_ID_ADAPTEC2, 0x0605)
+ PCI_VENDOR_ID_ADAPTEC2, 0x0608)
},
{
PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f,
@@ -6813,6 +6854,10 @@ static const struct pci_device_id pqi_pci_id_table[] = {
},
{
PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f,
+ PCI_VENDOR_ID_ADAPTEC2, 0x0807)
+ },
+ {
+ PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f,
PCI_VENDOR_ID_ADAPTEC2, 0x0900)
},
{
@@ -6849,6 +6894,10 @@ static const struct pci_device_id pqi_pci_id_table[] = {
},
{
PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f,
+ PCI_VENDOR_ID_ADAPTEC2, 0x090a)
+ },
+ {
+ PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f,
PCI_VENDOR_ID_ADAPTEC2, 0x1200)
},
{
@@ -6881,6 +6930,10 @@ static const struct pci_device_id pqi_pci_id_table[] = {
},
{
PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f,
+ PCI_VENDOR_ID_DELL, 0x1fe0)
+ },
+ {
+ PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f,
PCI_VENDOR_ID_HP, 0x0600)
},
{
@@ -6897,11 +6950,7 @@ static const struct pci_device_id pqi_pci_id_table[] = {
},
{
PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f,
- PCI_VENDOR_ID_HP, 0x0604)
- },
- {
- PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f,
- PCI_VENDOR_ID_HP, 0x0606)
+ PCI_VENDOR_ID_HP, 0x0609)
},
{
PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f,
@@ -6929,14 +6978,6 @@ static const struct pci_device_id pqi_pci_id_table[] = {
},
{
PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f,
- PCI_VENDOR_ID_HP, 0x0656)
- },
- {
- PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f,
- PCI_VENDOR_ID_HP, 0x0657)
- },
- {
- PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f,
PCI_VENDOR_ID_HP, 0x0700)
},
{
@@ -6957,14 +6998,6 @@ static const struct pci_device_id pqi_pci_id_table[] = {
},
{
PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f,
- PCI_VENDOR_ID_HP, 0x1102)
- },
- {
- PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f,
- PCI_VENDOR_ID_HP, 0x1150)
- },
- {
- PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f,
PCI_ANY_ID, PCI_ANY_ID)
},
{ 0 }
diff --git a/drivers/scsi/smartpqi/smartpqi_sas_transport.c b/drivers/scsi/smartpqi/smartpqi_sas_transport.c
index 0d89d3728b43..b209a35e482e 100644
--- a/drivers/scsi/smartpqi/smartpqi_sas_transport.c
+++ b/drivers/scsi/smartpqi/smartpqi_sas_transport.c
@@ -329,14 +329,6 @@ static int pqi_sas_phy_speed(struct sas_phy *phy,
return -EINVAL;
}
-/* SMP = Serial Management Protocol */
-
-static int pqi_sas_smp_handler(struct Scsi_Host *shost, struct sas_rphy *rphy,
- struct request *req)
-{
- return -EINVAL;
-}
-
struct sas_function_template pqi_sas_transport_functions = {
.get_linkerrors = pqi_sas_get_linkerrors,
.get_enclosure_identifier = pqi_sas_get_enclosure_identifier,
@@ -346,5 +338,4 @@ struct sas_function_template pqi_sas_transport_functions = {
.phy_setup = pqi_sas_phy_setup,
.phy_release = pqi_sas_phy_release,
.set_phy_speed = pqi_sas_phy_speed,
- .smp_handler = pqi_sas_smp_handler,
};
diff --git a/drivers/scsi/smartpqi/smartpqi_sis.c b/drivers/scsi/smartpqi/smartpqi_sis.c
index e55dfcf200e5..5141bd4c9f06 100644
--- a/drivers/scsi/smartpqi/smartpqi_sis.c
+++ b/drivers/scsi/smartpqi/smartpqi_sis.c
@@ -34,11 +34,13 @@
#define SIS_REENABLE_SIS_MODE 0x1
#define SIS_ENABLE_MSIX 0x40
#define SIS_ENABLE_INTX 0x80
-#define SIS_SOFT_RESET 0x100
-#define SIS_TRIGGER_SHUTDOWN 0x800000
#define SIS_CMD_READY 0x200
+#define SIS_TRIGGER_SHUTDOWN 0x800000
+#define SIS_PQI_RESET_QUIESCE 0x1000000
+
#define SIS_CMD_COMPLETE 0x1000
#define SIS_CLEAR_CTRL_TO_HOST_DOORBELL 0x1000
+
#define SIS_CMD_STATUS_SUCCESS 0x1
#define SIS_CMD_COMPLETE_TIMEOUT_SECS 30
#define SIS_CMD_COMPLETE_POLL_INTERVAL_MSECS 10
@@ -47,6 +49,7 @@
#define SIS_EXTENDED_PROPERTIES_SUPPORTED 0x800000
#define SIS_SMARTARRAY_FEATURES_SUPPORTED 0x2
#define SIS_PQI_MODE_SUPPORTED 0x4
+#define SIS_PQI_RESET_QUIESCE_SUPPORTED 0x8
#define SIS_REQUIRED_EXTENDED_PROPERTIES \
(SIS_SMARTARRAY_FEATURES_SUPPORTED | SIS_PQI_MODE_SUPPORTED)
@@ -258,6 +261,9 @@ int sis_get_ctrl_properties(struct pqi_ctrl_info *ctrl_info)
SIS_REQUIRED_EXTENDED_PROPERTIES)
return -ENODEV;
+ if (extended_properties & SIS_PQI_RESET_QUIESCE_SUPPORTED)
+ ctrl_info->pqi_reset_quiesce_supported = true;
+
return 0;
}
@@ -336,9 +342,10 @@ out:
#define SIS_DOORBELL_BIT_CLEAR_TIMEOUT_SECS 30
-static void sis_wait_for_doorbell_bit_to_clear(
+static int sis_wait_for_doorbell_bit_to_clear(
struct pqi_ctrl_info *ctrl_info, u32 bit)
{
+ int rc = 0;
u32 doorbell_register;
unsigned long timeout;
@@ -350,78 +357,38 @@ static void sis_wait_for_doorbell_bit_to_clear(
if ((doorbell_register & bit) == 0)
break;
if (readl(&ctrl_info->registers->sis_firmware_status) &
- SIS_CTRL_KERNEL_PANIC)
+ SIS_CTRL_KERNEL_PANIC) {
+ rc = -ENODEV;
break;
+ }
if (time_after(jiffies, timeout)) {
dev_err(&ctrl_info->pci_dev->dev,
"doorbell register bit 0x%x not cleared\n",
bit);
+ rc = -ETIMEDOUT;
break;
}
usleep_range(1000, 2000);
}
-}
-
-/* Enable MSI-X interrupts on the controller. */
-
-void sis_enable_msix(struct pqi_ctrl_info *ctrl_info)
-{
- u32 doorbell_register;
-
- doorbell_register =
- readl(&ctrl_info->registers->sis_host_to_ctrl_doorbell);
- doorbell_register |= SIS_ENABLE_MSIX;
-
- writel(doorbell_register,
- &ctrl_info->registers->sis_host_to_ctrl_doorbell);
- sis_wait_for_doorbell_bit_to_clear(ctrl_info, SIS_ENABLE_MSIX);
+ return rc;
}
-/* Disable MSI-X interrupts on the controller. */
-
-void sis_disable_msix(struct pqi_ctrl_info *ctrl_info)
+static inline int sis_set_doorbell_bit(struct pqi_ctrl_info *ctrl_info, u32 bit)
{
- u32 doorbell_register;
-
- doorbell_register =
- readl(&ctrl_info->registers->sis_host_to_ctrl_doorbell);
- doorbell_register &= ~SIS_ENABLE_MSIX;
+ writel(bit, &ctrl_info->registers->sis_host_to_ctrl_doorbell);
- writel(doorbell_register,
- &ctrl_info->registers->sis_host_to_ctrl_doorbell);
+ return sis_wait_for_doorbell_bit_to_clear(ctrl_info, bit);
}
-void sis_enable_intx(struct pqi_ctrl_info *ctrl_info)
+void sis_enable_msix(struct pqi_ctrl_info *ctrl_info)
{
- u32 doorbell_register;
-
- doorbell_register =
- readl(&ctrl_info->registers->sis_host_to_ctrl_doorbell);
- doorbell_register |= SIS_ENABLE_INTX;
-
- writel(doorbell_register,
- &ctrl_info->registers->sis_host_to_ctrl_doorbell);
-
- sis_wait_for_doorbell_bit_to_clear(ctrl_info, SIS_ENABLE_INTX);
+ sis_set_doorbell_bit(ctrl_info, SIS_ENABLE_MSIX);
}
-void sis_disable_intx(struct pqi_ctrl_info *ctrl_info)
-{
- u32 doorbell_register;
-
- doorbell_register =
- readl(&ctrl_info->registers->sis_host_to_ctrl_doorbell);
- doorbell_register &= ~SIS_ENABLE_INTX;
-
- writel(doorbell_register,
- &ctrl_info->registers->sis_host_to_ctrl_doorbell);
-}
-
-void sis_soft_reset(struct pqi_ctrl_info *ctrl_info)
+void sis_enable_intx(struct pqi_ctrl_info *ctrl_info)
{
- writel(SIS_SOFT_RESET,
- &ctrl_info->registers->sis_host_to_ctrl_doorbell);
+ sis_set_doorbell_bit(ctrl_info, SIS_ENABLE_INTX);
}
void sis_shutdown_ctrl(struct pqi_ctrl_info *ctrl_info)
@@ -434,38 +401,14 @@ void sis_shutdown_ctrl(struct pqi_ctrl_info *ctrl_info)
&ctrl_info->registers->sis_host_to_ctrl_doorbell);
}
-#define SIS_MODE_READY_TIMEOUT_SECS 30
+int sis_pqi_reset_quiesce(struct pqi_ctrl_info *ctrl_info)
+{
+ return sis_set_doorbell_bit(ctrl_info, SIS_PQI_RESET_QUIESCE);
+}
int sis_reenable_sis_mode(struct pqi_ctrl_info *ctrl_info)
{
- int rc;
- unsigned long timeout;
- struct pqi_ctrl_registers __iomem *registers;
- u32 doorbell;
-
- registers = ctrl_info->registers;
-
- writel(SIS_REENABLE_SIS_MODE,
- &registers->sis_host_to_ctrl_doorbell);
-
- rc = 0;
- timeout = (SIS_MODE_READY_TIMEOUT_SECS * HZ) + jiffies;
-
- while (1) {
- doorbell = readl(&registers->sis_ctrl_to_host_doorbell);
- if ((doorbell & SIS_REENABLE_SIS_MODE) == 0)
- break;
- if (time_after(jiffies, timeout)) {
- rc = -ETIMEDOUT;
- break;
- }
- }
-
- if (rc)
- dev_err(&ctrl_info->pci_dev->dev,
- "re-enabling SIS mode failed\n");
-
- return rc;
+ return sis_set_doorbell_bit(ctrl_info, SIS_REENABLE_SIS_MODE);
}
void sis_write_driver_scratch(struct pqi_ctrl_info *ctrl_info, u32 value)
diff --git a/drivers/scsi/smartpqi/smartpqi_sis.h b/drivers/scsi/smartpqi/smartpqi_sis.h
index 983184b69373..2bf889dbf5ab 100644
--- a/drivers/scsi/smartpqi/smartpqi_sis.h
+++ b/drivers/scsi/smartpqi/smartpqi_sis.h
@@ -27,11 +27,9 @@ int sis_get_ctrl_properties(struct pqi_ctrl_info *ctrl_info);
int sis_get_pqi_capabilities(struct pqi_ctrl_info *ctrl_info);
int sis_init_base_struct_addr(struct pqi_ctrl_info *ctrl_info);
void sis_enable_msix(struct pqi_ctrl_info *ctrl_info);
-void sis_disable_msix(struct pqi_ctrl_info *ctrl_info);
void sis_enable_intx(struct pqi_ctrl_info *ctrl_info);
-void sis_disable_intx(struct pqi_ctrl_info *ctrl_info);
-void sis_soft_reset(struct pqi_ctrl_info *ctrl_info);
void sis_shutdown_ctrl(struct pqi_ctrl_info *ctrl_info);
+int sis_pqi_reset_quiesce(struct pqi_ctrl_info *ctrl_info);
int sis_reenable_sis_mode(struct pqi_ctrl_info *ctrl_info);
void sis_write_driver_scratch(struct pqi_ctrl_info *ctrl_info, u32 value);
u32 sis_read_driver_scratch(struct pqi_ctrl_info *ctrl_info);
diff --git a/drivers/scsi/sr.c b/drivers/scsi/sr.c
index a8f630213a1a..9be34d37c356 100644
--- a/drivers/scsi/sr.c
+++ b/drivers/scsi/sr.c
@@ -393,7 +393,7 @@ static int sr_init_command(struct scsi_cmnd *SCpnt)
ret = scsi_init_io(SCpnt);
if (ret != BLKPREP_OK)
goto out;
- SCpnt = rq->special;
+ WARN_ON_ONCE(SCpnt != rq->special);
cd = scsi_cd(rq->rq_disk);
/* from here on until we're complete, any goto out
diff --git a/drivers/scsi/storvsc_drv.c b/drivers/scsi/storvsc_drv.c
index 3cc8d67783a1..5e7200f05873 100644
--- a/drivers/scsi/storvsc_drv.c
+++ b/drivers/scsi/storvsc_drv.c
@@ -1640,6 +1640,8 @@ static int storvsc_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *scmnd)
put_cpu();
if (ret == -EAGAIN) {
+ if (payload_sz > sizeof(cmd_request->mpb))
+ kfree(payload);
/* no more space */
return SCSI_MLQUEUE_DEVICE_BUSY;
}
diff --git a/drivers/scsi/sun3_scsi.c b/drivers/scsi/sun3_scsi.c
index e64b0c542f95..9492638296c8 100644
--- a/drivers/scsi/sun3_scsi.c
+++ b/drivers/scsi/sun3_scsi.c
@@ -46,7 +46,7 @@
#define NCR5380_write(reg, value) out_8(hostdata->io + (reg), value)
#define NCR5380_queue_command sun3scsi_queue_command
-#define NCR5380_bus_reset sun3scsi_bus_reset
+#define NCR5380_host_reset sun3scsi_host_reset
#define NCR5380_abort sun3scsi_abort
#define NCR5380_info sun3scsi_info
@@ -495,7 +495,7 @@ static struct scsi_host_template sun3_scsi_template = {
.info = sun3scsi_info,
.queuecommand = sun3scsi_queue_command,
.eh_abort_handler = sun3scsi_abort,
- .eh_bus_reset_handler = sun3scsi_bus_reset,
+ .eh_host_reset_handler = sun3scsi_host_reset,
.can_queue = 16,
.this_id = 7,
.sg_tablesize = SG_NONE,
diff --git a/drivers/scsi/sym53c8xx_2/sym_hipd.c b/drivers/scsi/sym53c8xx_2/sym_hipd.c
index 6b349e301869..15ff285a9f8f 100644
--- a/drivers/scsi/sym53c8xx_2/sym_hipd.c
+++ b/drivers/scsi/sym53c8xx_2/sym_hipd.c
@@ -759,7 +759,7 @@ static int sym_prepare_setting(struct Scsi_Host *shost, struct sym_hcb *np, stru
/*
* Maximum synchronous period factor supported by the chip.
*/
- period = (11 * div_10M[np->clock_divn - 1]) / (4 * np->clock_khz);
+ period = div64_ul(11 * div_10M[np->clock_divn - 1], 4 * np->clock_khz);
np->maxsync = period > 2540 ? 254 : period / 10;
/*
diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c
index 5bc9dc14e075..794a4600e952 100644
--- a/drivers/scsi/ufs/ufshcd.c
+++ b/drivers/scsi/ufs/ufshcd.c
@@ -438,7 +438,7 @@ static void ufshcd_print_host_state(struct ufs_hba *hba)
{
dev_err(hba->dev, "UFS Host state=%d\n", hba->ufshcd_state);
dev_err(hba->dev, "lrb in use=0x%lx, outstanding reqs=0x%lx tasks=0x%lx\n",
- hba->lrb_in_use, hba->outstanding_tasks, hba->outstanding_reqs);
+ hba->lrb_in_use, hba->outstanding_reqs, hba->outstanding_tasks);
dev_err(hba->dev, "saved_err=0x%x, saved_uic_err=0x%x\n",
hba->saved_err, hba->saved_uic_err);
dev_err(hba->dev, "Device power mode=%d, UIC link state=%d\n",
diff --git a/drivers/scsi/virtio_scsi.c b/drivers/scsi/virtio_scsi.c
index 9be211d68b15..7c28e8d4955a 100644
--- a/drivers/scsi/virtio_scsi.c
+++ b/drivers/scsi/virtio_scsi.c
@@ -818,7 +818,6 @@ static struct scsi_host_template virtscsi_host_template_single = {
.eh_timed_out = virtscsi_eh_timed_out,
.slave_alloc = virtscsi_device_alloc,
- .can_queue = 1024,
.dma_boundary = UINT_MAX,
.use_clustering = ENABLE_CLUSTERING,
.target_alloc = virtscsi_target_alloc,
@@ -839,7 +838,6 @@ static struct scsi_host_template virtscsi_host_template_multi = {
.eh_timed_out = virtscsi_eh_timed_out,
.slave_alloc = virtscsi_device_alloc,
- .can_queue = 1024,
.dma_boundary = UINT_MAX,
.use_clustering = ENABLE_CLUSTERING,
.target_alloc = virtscsi_target_alloc,
@@ -972,6 +970,8 @@ static int virtscsi_probe(struct virtio_device *vdev)
if (err)
goto virtscsi_init_failed;
+ shost->can_queue = virtqueue_get_vring_size(vscsi->req_vqs[0].vq);
+
cmd_per_lun = virtscsi_config_get(vdev, cmd_per_lun) ?: 1;
shost->cmd_per_lun = min_t(u32, cmd_per_lun, shost->can_queue);
shost->max_sectors = virtscsi_config_get(vdev, max_sectors) ?: 0xFFFF;
diff --git a/drivers/scsi/wd33c93.c b/drivers/scsi/wd33c93.c
index 9e09da412b92..74be04f2357c 100644
--- a/drivers/scsi/wd33c93.c
+++ b/drivers/scsi/wd33c93.c
@@ -1578,6 +1578,7 @@ wd33c93_host_reset(struct scsi_cmnd * SCpnt)
int i;
instance = SCpnt->device->host;
+ spin_lock_irq(instance->host_lock);
hostdata = (struct WD33C93_hostdata *) instance->hostdata;
printk("scsi%d: reset. ", instance->host_no);
@@ -1603,6 +1604,7 @@ wd33c93_host_reset(struct scsi_cmnd * SCpnt)
reset_wd33c93(instance);
SCpnt->result = DID_RESET << 16;
enable_irq(instance->irq);
+ spin_unlock_irq(instance->host_lock);
return SUCCESS;
}
diff --git a/drivers/staging/rts5208/rtsx.c b/drivers/staging/rts5208/rtsx.c
index 53748d61e20e..89e2cfe7d1cc 100644
--- a/drivers/staging/rts5208/rtsx.c
+++ b/drivers/staging/rts5208/rtsx.c
@@ -205,16 +205,6 @@ static int device_reset(struct scsi_cmnd *srb)
return SUCCESS;
}
-/* Simulate a SCSI bus reset by resetting the device's USB port. */
-static int bus_reset(struct scsi_cmnd *srb)
-{
- struct rtsx_dev *dev = host_to_rtsx(srb->device->host);
-
- dev_info(&dev->pci->dev, "%s called\n", __func__);
-
- return SUCCESS;
-}
-
/*
* this defines our host template, with which we'll allocate hosts
*/
@@ -231,7 +221,6 @@ static struct scsi_host_template rtsx_host_template = {
/* error and abort handlers */
.eh_abort_handler = command_abort,
.eh_device_reset_handler = device_reset,
- .eh_bus_reset_handler = bus_reset,
/* queue commands only, only one command per LUN */
.can_queue = 1,
diff --git a/drivers/staging/unisys/visorhba/visorhba_main.c b/drivers/staging/unisys/visorhba/visorhba_main.c
index 8567e447891e..419dba89af06 100644
--- a/drivers/staging/unisys/visorhba/visorhba_main.c
+++ b/drivers/staging/unisys/visorhba/visorhba_main.c
@@ -47,9 +47,8 @@ MODULE_DEVICE_TABLE(visorbus, visorhba_channel_types);
MODULE_ALIAS("visorbus:" VISOR_VHBA_CHANNEL_GUID_STR);
struct visordisk_info {
+ struct scsi_device *sdev;
u32 valid;
- /* Disk Path */
- u32 channel, id, lun;
atomic_t ios_threshold;
atomic_t error_count;
struct visordisk_info *next;
@@ -105,12 +104,6 @@ struct visorhba_devices_open {
struct visorhba_devdata *devdata;
};
-#define for_each_vdisk_match(iter, list, match) \
- for (iter = &list->head; iter->next; iter = iter->next) \
- if ((iter->channel == match->channel) && \
- (iter->id == match->id) && \
- (iter->lun == match->lun))
-
/*
* visor_thread_start - Starts a thread for the device
* @threadfn: Function the thread starts
@@ -313,10 +306,9 @@ static void cleanup_scsitaskmgmt_handles(struct idr *idrtable,
* Return: Int representing whether command was queued successfully or not
*/
static int forward_taskmgmt_command(enum task_mgmt_types tasktype,
- struct scsi_cmnd *scsicmd)
+ struct scsi_device *scsidev)
{
struct uiscmdrsp *cmdrsp;
- struct scsi_device *scsidev = scsicmd->device;
struct visorhba_devdata *devdata =
(struct visorhba_devdata *)scsidev->host->hostdata;
int notifyresult = 0xffff;
@@ -364,12 +356,6 @@ static int forward_taskmgmt_command(enum task_mgmt_types tasktype,
dev_dbg(&scsidev->sdev_gendev,
"visorhba: taskmgmt type=%d success; result=0x%x\n",
tasktype, notifyresult);
- if (tasktype == TASK_MGMT_ABORT_TASK)
- scsicmd->result = DID_ABORT << 16;
- else
- scsicmd->result = DID_RESET << 16;
-
- scsicmd->scsi_done(scsicmd);
cleanup_scsitaskmgmt_handles(&devdata->idr, cmdrsp);
return SUCCESS;
@@ -392,17 +378,20 @@ static int visorhba_abort_handler(struct scsi_cmnd *scsicmd)
/* issue TASK_MGMT_ABORT_TASK */
struct scsi_device *scsidev;
struct visordisk_info *vdisk;
- struct visorhba_devdata *devdata;
+ int rtn;
scsidev = scsicmd->device;
- devdata = (struct visorhba_devdata *)scsidev->host->hostdata;
- for_each_vdisk_match(vdisk, devdata, scsidev) {
- if (atomic_read(&vdisk->error_count) < VISORHBA_ERROR_COUNT)
- atomic_inc(&vdisk->error_count);
- else
- atomic_set(&vdisk->ios_threshold, IOS_ERROR_THRESHOLD);
+ vdisk = scsidev->hostdata;
+ if (atomic_read(&vdisk->error_count) < VISORHBA_ERROR_COUNT)
+ atomic_inc(&vdisk->error_count);
+ else
+ atomic_set(&vdisk->ios_threshold, IOS_ERROR_THRESHOLD);
+ rtn = forward_taskmgmt_command(TASK_MGMT_ABORT_TASK, scsidev);
+ if (rtn == SUCCESS) {
+ scsicmd->result = DID_ABORT << 16;
+ scsicmd->scsi_done(scsicmd);
}
- return forward_taskmgmt_command(TASK_MGMT_ABORT_TASK, scsicmd);
+ return rtn;
}
/*
@@ -416,17 +405,20 @@ static int visorhba_device_reset_handler(struct scsi_cmnd *scsicmd)
/* issue TASK_MGMT_LUN_RESET */
struct scsi_device *scsidev;
struct visordisk_info *vdisk;
- struct visorhba_devdata *devdata;
+ int rtn;
scsidev = scsicmd->device;
- devdata = (struct visorhba_devdata *)scsidev->host->hostdata;
- for_each_vdisk_match(vdisk, devdata, scsidev) {
- if (atomic_read(&vdisk->error_count) < VISORHBA_ERROR_COUNT)
- atomic_inc(&vdisk->error_count);
- else
- atomic_set(&vdisk->ios_threshold, IOS_ERROR_THRESHOLD);
+ vdisk = scsidev->hostdata;
+ if (atomic_read(&vdisk->error_count) < VISORHBA_ERROR_COUNT)
+ atomic_inc(&vdisk->error_count);
+ else
+ atomic_set(&vdisk->ios_threshold, IOS_ERROR_THRESHOLD);
+ rtn = forward_taskmgmt_command(TASK_MGMT_LUN_RESET, scsidev);
+ if (rtn == SUCCESS) {
+ scsicmd->result = DID_RESET << 16;
+ scsicmd->scsi_done(scsicmd);
}
- return forward_taskmgmt_command(TASK_MGMT_LUN_RESET, scsicmd);
+ return rtn;
}
/*
@@ -440,17 +432,22 @@ static int visorhba_bus_reset_handler(struct scsi_cmnd *scsicmd)
{
struct scsi_device *scsidev;
struct visordisk_info *vdisk;
- struct visorhba_devdata *devdata;
+ int rtn;
scsidev = scsicmd->device;
- devdata = (struct visorhba_devdata *)scsidev->host->hostdata;
- for_each_vdisk_match(vdisk, devdata, scsidev) {
+ shost_for_each_device(scsidev, scsidev->host) {
+ vdisk = scsidev->hostdata;
if (atomic_read(&vdisk->error_count) < VISORHBA_ERROR_COUNT)
atomic_inc(&vdisk->error_count);
else
atomic_set(&vdisk->ios_threshold, IOS_ERROR_THRESHOLD);
}
- return forward_taskmgmt_command(TASK_MGMT_BUS_RESET, scsicmd);
+ rtn = forward_taskmgmt_command(TASK_MGMT_BUS_RESET, scsidev);
+ if (rtn == SUCCESS) {
+ scsicmd->result = DID_RESET << 16;
+ scsicmd->scsi_done(scsicmd);
+ }
+ return rtn;
}
/*
@@ -604,27 +601,24 @@ static int visorhba_slave_alloc(struct scsi_device *scsidev)
* LLD can alloc any struct & do init if needed.
*/
struct visordisk_info *vdisk;
- struct visordisk_info *tmpvdisk;
struct visorhba_devdata *devdata;
struct Scsi_Host *scsihost = (struct Scsi_Host *)scsidev->host;
+ /* already allocated return success */
+ if (scsidev->hostdata)
+ return 0;
+
/* even though we errored, treat as success */
devdata = (struct visorhba_devdata *)scsihost->hostdata;
if (!devdata)
return 0;
- /* already allocated return success */
- for_each_vdisk_match(vdisk, devdata, scsidev)
- return 0;
-
- tmpvdisk = kzalloc(sizeof(*tmpvdisk), GFP_ATOMIC);
- if (!tmpvdisk)
+ vdisk = kzalloc(sizeof(*vdisk), GFP_ATOMIC);
+ if (!vdisk)
return -ENOMEM;
- tmpvdisk->channel = scsidev->channel;
- tmpvdisk->id = scsidev->id;
- tmpvdisk->lun = scsidev->lun;
- vdisk->next = tmpvdisk;
+ vdisk->sdev = scsidev;
+ scsidev->hostdata = vdisk;
return 0;
}
@@ -637,17 +631,11 @@ static void visorhba_slave_destroy(struct scsi_device *scsidev)
/* midlevel calls this after device has been quiesced and
* before it is to be deleted.
*/
- struct visordisk_info *vdisk, *delvdisk;
- struct visorhba_devdata *devdata;
- struct Scsi_Host *scsihost = (struct Scsi_Host *)scsidev->host;
+ struct visordisk_info *vdisk;
- devdata = (struct visorhba_devdata *)scsihost->hostdata;
- for_each_vdisk_match(vdisk, devdata, scsidev) {
- delvdisk = vdisk->next;
- vdisk->next = delvdisk->next;
- kfree(delvdisk);
- return;
- }
+ vdisk = scsidev->hostdata;
+ scsidev->hostdata = NULL;
+ kfree(vdisk);
}
static struct scsi_host_template visorhba_driver_template = {
@@ -823,7 +811,6 @@ static int visorhba_serverdown(struct visorhba_devdata *devdata)
static void do_scsi_linuxstat(struct uiscmdrsp *cmdrsp,
struct scsi_cmnd *scsicmd)
{
- struct visorhba_devdata *devdata;
struct visordisk_info *vdisk;
struct scsi_device *scsidev;
@@ -836,12 +823,10 @@ static void do_scsi_linuxstat(struct uiscmdrsp *cmdrsp,
(cmdrsp->scsi.addlstat == ADDL_SEL_TIMEOUT))
return;
/* Okay see what our error_count is here.... */
- devdata = (struct visorhba_devdata *)scsidev->host->hostdata;
- for_each_vdisk_match(vdisk, devdata, scsidev) {
- if (atomic_read(&vdisk->error_count) < VISORHBA_ERROR_COUNT) {
- atomic_inc(&vdisk->error_count);
- atomic_set(&vdisk->ios_threshold, IOS_ERROR_THRESHOLD);
- }
+ vdisk = scsidev->hostdata;
+ if (atomic_read(&vdisk->error_count) < VISORHBA_ERROR_COUNT) {
+ atomic_inc(&vdisk->error_count);
+ atomic_set(&vdisk->ios_threshold, IOS_ERROR_THRESHOLD);
}
}
@@ -881,7 +866,6 @@ static void do_scsi_nolinuxstat(struct uiscmdrsp *cmdrsp,
char *this_page_orig;
int bufind = 0;
struct visordisk_info *vdisk;
- struct visorhba_devdata *devdata;
scsidev = scsicmd->device;
if ((cmdrsp->scsi.cmnd[0] == INQUIRY) &&
@@ -918,13 +902,11 @@ static void do_scsi_nolinuxstat(struct uiscmdrsp *cmdrsp,
}
kfree(buf);
} else {
- devdata = (struct visorhba_devdata *)scsidev->host->hostdata;
- for_each_vdisk_match(vdisk, devdata, scsidev) {
- if (atomic_read(&vdisk->ios_threshold) > 0) {
- atomic_dec(&vdisk->ios_threshold);
- if (atomic_read(&vdisk->ios_threshold) == 0)
- atomic_set(&vdisk->error_count, 0);
- }
+ vdisk = scsidev->hostdata;
+ if (atomic_read(&vdisk->ios_threshold) > 0) {
+ atomic_dec(&vdisk->ios_threshold);
+ if (atomic_read(&vdisk->ios_threshold) == 0)
+ atomic_set(&vdisk->error_count, 0);
}
}
}
diff --git a/drivers/usb/storage/uas.c b/drivers/usb/storage/uas.c
index 5ef014ba6ae8..cfb1e3bbd434 100644
--- a/drivers/usb/storage/uas.c
+++ b/drivers/usb/storage/uas.c
@@ -737,7 +737,7 @@ static int uas_eh_abort_handler(struct scsi_cmnd *cmnd)
return FAILED;
}
-static int uas_eh_bus_reset_handler(struct scsi_cmnd *cmnd)
+static int uas_eh_device_reset_handler(struct scsi_cmnd *cmnd)
{
struct scsi_device *sdev = cmnd->device;
struct uas_dev_info *devinfo = sdev->hostdata;
@@ -848,7 +848,7 @@ static struct scsi_host_template uas_host_template = {
.slave_alloc = uas_slave_alloc,
.slave_configure = uas_slave_configure,
.eh_abort_handler = uas_eh_abort_handler,
- .eh_bus_reset_handler = uas_eh_bus_reset_handler,
+ .eh_device_reset_handler = uas_eh_device_reset_handler,
.this_id = -1,
.sg_tablesize = SG_NONE,
.skip_settle_delay = 1,
diff --git a/drivers/virtio/virtio_ring.c b/drivers/virtio/virtio_ring.c
index 9aaa177e8209..eb30f3e09a47 100644
--- a/drivers/virtio/virtio_ring.c
+++ b/drivers/virtio/virtio_ring.c
@@ -296,7 +296,6 @@ static inline int virtqueue_add(struct virtqueue *_vq,
}
#endif
- BUG_ON(total_sg > vq->vring.num);
BUG_ON(total_sg == 0);
head = vq->free_head;
@@ -305,8 +304,10 @@ static inline int virtqueue_add(struct virtqueue *_vq,
* buffers, then go indirect. FIXME: tune this threshold */
if (vq->indirect && total_sg > 1 && vq->vq.num_free)
desc = alloc_indirect(_vq, total_sg, gfp);
- else
+ else {
desc = NULL;
+ WARN_ON_ONCE(total_sg > vq->vring.num && !vq->indirect);
+ }
if (desc) {
/* Use a single buffer which doesn't continue */