diff options
Diffstat (limited to 'include')
160 files changed, 2745 insertions, 1614 deletions
diff --git a/include/acpi/acpi_bus.h b/include/acpi/acpi_bus.h index d11eff8a4efe..ad0a5ff3d4cd 100644 --- a/include/acpi/acpi_bus.h +++ b/include/acpi/acpi_bus.h @@ -390,39 +390,6 @@ struct acpi_data_node { struct completion kobj_done; }; -static inline bool acpi_check_dma(struct acpi_device *adev, bool *coherent) -{ - bool ret = false; - - if (!adev) - return ret; - - /** - * Currently, we only support _CCA=1 (i.e. coherent_dma=1) - * This should be equivalent to specifyig dma-coherent for - * a device in OF. - * - * For the case when _CCA=0 (i.e. coherent_dma=0 && cca_seen=1), - * There are two cases: - * case 1. Do not support and disable DMA. - * case 2. Support but rely on arch-specific cache maintenance for - * non-coherence DMA operations. - * Currently, we implement case 1 above. - * - * For the case when _CCA is missing (i.e. cca_seen=0) and - * platform specifies ACPI_CCA_REQUIRED, we do not support DMA, - * and fallback to arch-specific default handling. - * - * See acpi_init_coherency() for more info. - */ - if (adev->flags.coherent_dma) { - ret = true; - if (coherent) - *coherent = adev->flags.coherent_dma; - } - return ret; -} - static inline bool is_acpi_node(struct fwnode_handle *fwnode) { return fwnode && (fwnode->type == FWNODE_ACPI @@ -595,6 +562,9 @@ struct acpi_pci_root { /* helper */ +bool acpi_dma_supported(struct acpi_device *adev); +enum dev_dma_attr acpi_get_dma_attr(struct acpi_device *adev); + struct acpi_device *acpi_find_child_device(struct acpi_device *parent, u64 address, bool check_children); int acpi_is_root_bridge(acpi_handle); diff --git a/include/asm-generic/pci-dma-compat.h b/include/asm-generic/pci-dma-compat.h index c110843fc53b..eafce7b6f052 100644 --- a/include/asm-generic/pci-dma-compat.h +++ b/include/asm-generic/pci-dma-compat.h @@ -6,12 +6,6 @@ #include <linux/dma-mapping.h> -static inline int -pci_dma_supported(struct pci_dev *hwdev, u64 mask) -{ - return dma_supported(hwdev == NULL ? NULL : &hwdev->dev, mask); -} - static inline void * pci_alloc_consistent(struct pci_dev *hwdev, size_t size, dma_addr_t *dma_handle) diff --git a/include/asm-generic/uaccess.h b/include/asm-generic/uaccess.h index 72d8803832ff..1bfa602958f2 100644 --- a/include/asm-generic/uaccess.h +++ b/include/asm-generic/uaccess.h @@ -163,9 +163,10 @@ static inline __must_check long __copy_to_user(void __user *to, #define put_user(x, ptr) \ ({ \ + void *__p = (ptr); \ might_fault(); \ - access_ok(VERIFY_WRITE, ptr, sizeof(*ptr)) ? \ - __put_user(x, ptr) : \ + access_ok(VERIFY_WRITE, __p, sizeof(*ptr)) ? \ + __put_user((x), ((__typeof__(*(ptr)) *)__p)) : \ -EFAULT; \ }) @@ -225,9 +226,10 @@ extern int __put_user_bad(void) __attribute__((noreturn)); #define get_user(x, ptr) \ ({ \ + const void *__p = (ptr); \ might_fault(); \ - access_ok(VERIFY_READ, ptr, sizeof(*ptr)) ? \ - __get_user(x, ptr) : \ + access_ok(VERIFY_READ, __p, sizeof(*ptr)) ? \ + __get_user((x), (__typeof__(*(ptr)) *)__p) : \ -EFAULT; \ }) diff --git a/include/drm/drmP.h b/include/drm/drmP.h index 8b5ce7c5d9bb..0b921ae06cd8 100644 --- a/include/drm/drmP.h +++ b/include/drm/drmP.h @@ -107,6 +107,9 @@ struct dma_buf_attachment; * ATOMIC: used in the atomic code. * This is the category used by the DRM_DEBUG_ATOMIC() macro. * + * VBL: used for verbose debug message in the vblank code + * This is the category used by the DRM_DEBUG_VBL() macro. + * * Enabling verbose debug messages is done through the drm.debug parameter, * each category being enabled by a bit. * @@ -114,7 +117,7 @@ struct dma_buf_attachment; * drm.debug=0x2 will enable DRIVER messages * drm.debug=0x3 will enable CORE and DRIVER messages * ... - * drm.debug=0xf will enable all messages + * drm.debug=0x3f will enable all messages * * An interesting feature is that it's possible to enable verbose logging at * run-time by echoing the debug value in its sysfs node: @@ -125,6 +128,7 @@ struct dma_buf_attachment; #define DRM_UT_KMS 0x04 #define DRM_UT_PRIME 0x08 #define DRM_UT_ATOMIC 0x10 +#define DRM_UT_VBL 0x20 extern __printf(2, 3) void drm_ut_debug_printk(const char *function_name, @@ -217,6 +221,11 @@ void drm_err(const char *format, ...); if (unlikely(drm_debug & DRM_UT_ATOMIC)) \ drm_ut_debug_printk(__func__, fmt, ##args); \ } while (0) +#define DRM_DEBUG_VBL(fmt, args...) \ + do { \ + if (unlikely(drm_debug & DRM_UT_VBL)) \ + drm_ut_debug_printk(__func__, fmt, ##args); \ + } while (0) /*@}*/ @@ -412,7 +421,7 @@ struct drm_driver { /** * get_vblank_counter - get raw hardware vblank counter * @dev: DRM device - * @crtc: counter to fetch + * @pipe: counter to fetch * * Driver callback for fetching a raw hardware vblank counter for @crtc. * If a device doesn't have a hardware counter, the driver can simply @@ -426,12 +435,12 @@ struct drm_driver { * RETURNS * Raw vblank counter value. */ - u32 (*get_vblank_counter) (struct drm_device *dev, int crtc); + u32 (*get_vblank_counter) (struct drm_device *dev, unsigned int pipe); /** * enable_vblank - enable vblank interrupt events * @dev: DRM device - * @crtc: which irq to enable + * @pipe: which irq to enable * * Enable vblank interrupts for @crtc. If the device doesn't have * a hardware vblank counter, this routine should be a no-op, since @@ -441,18 +450,18 @@ struct drm_driver { * Zero on success, appropriate errno if the given @crtc's vblank * interrupt cannot be enabled. */ - int (*enable_vblank) (struct drm_device *dev, int crtc); + int (*enable_vblank) (struct drm_device *dev, unsigned int pipe); /** * disable_vblank - disable vblank interrupt events * @dev: DRM device - * @crtc: which irq to enable + * @pipe: which irq to enable * * Disable vblank interrupts for @crtc. If the device doesn't have * a hardware vblank counter, this routine should be a no-op, since * interrupts will have to stay on to keep the count accurate. */ - void (*disable_vblank) (struct drm_device *dev, int crtc); + void (*disable_vblank) (struct drm_device *dev, unsigned int pipe); /** * Called by \c drm_device_is_agp. Typically used to determine if a @@ -474,7 +483,7 @@ struct drm_driver { * optional accurate ktime_get timestamp of when position was measured. * * \param dev DRM device. - * \param crtc Id of the crtc to query. + * \param pipe Id of the crtc to query. * \param flags Flags from the caller (DRM_CALLED_FROM_VBLIRQ or 0). * \param *vpos Target location for current vertical scanout position. * \param *hpos Target location for current horizontal scanout position. @@ -482,6 +491,7 @@ struct drm_driver { * scanout position query. Can be NULL to skip timestamp. * \param *etime Target location for timestamp taken immediately after * scanout position query. Can be NULL to skip timestamp. + * \param mode Current display timings. * * Returns vpos as a positive number while in active scanout area. * Returns vpos as a negative number inside vblank, counting the number @@ -497,10 +507,10 @@ struct drm_driver { * but unknown small number of scanlines wrt. real scanout position. * */ - int (*get_scanout_position) (struct drm_device *dev, int crtc, - unsigned int flags, - int *vpos, int *hpos, ktime_t *stime, - ktime_t *etime); + int (*get_scanout_position) (struct drm_device *dev, unsigned int pipe, + unsigned int flags, int *vpos, int *hpos, + ktime_t *stime, ktime_t *etime, + const struct drm_display_mode *mode); /** * Called by \c drm_get_last_vbltimestamp. Should return a precise @@ -516,7 +526,7 @@ struct drm_driver { * to the OpenML OML_sync_control extension specification. * * \param dev dev DRM device handle. - * \param crtc crtc for which timestamp should be returned. + * \param pipe crtc for which timestamp should be returned. * \param *max_error Maximum allowable timestamp error in nanoseconds. * Implementation should strive to provide timestamp * with an error of at most *max_error nanoseconds. @@ -532,7 +542,7 @@ struct drm_driver { * negative number on failure. A positive status code on success, * which describes how the vblank_time timestamp was computed. */ - int (*get_vblank_timestamp) (struct drm_device *dev, int crtc, + int (*get_vblank_timestamp) (struct drm_device *dev, unsigned int pipe, int *max_error, struct timeval *vblank_time, unsigned flags); @@ -701,6 +711,8 @@ struct drm_vblank_crtc { u32 last_wait; /* Last vblank seqno waited per CRTC */ unsigned int inmodeset; /* Display driver is setting mode */ unsigned int pipe; /* crtc index */ + int framedur_ns; /* frame/field duration in ns */ + int linedur_ns; /* line duration in ns */ bool enabled; /* so we don't call enable more than once per disable */ }; @@ -822,7 +834,6 @@ struct drm_device { struct drm_sg_mem *sg; /**< Scatter gather memory */ unsigned int num_crtcs; /**< Number of CRTCs on this device */ - sigset_t sigmask; struct { int context; @@ -906,6 +917,8 @@ extern unsigned int drm_poll(struct file *filp, struct poll_table_struct *wait); /* Misc. IOCTL support (drm_ioctl.c) */ int drm_noop(struct drm_device *dev, void *data, struct drm_file *file_priv); +int drm_invalid_op(struct drm_device *dev, void *data, + struct drm_file *file_priv); /* Cache management (drm_cache.c) */ void drm_clflush_pages(struct page *pages[], unsigned long num_pages); @@ -924,10 +937,12 @@ extern int drm_irq_uninstall(struct drm_device *dev); extern int drm_vblank_init(struct drm_device *dev, unsigned int num_crtcs); extern int drm_wait_vblank(struct drm_device *dev, void *data, struct drm_file *filp); -extern u32 drm_vblank_count(struct drm_device *dev, int pipe); +extern u32 drm_vblank_count(struct drm_device *dev, unsigned int pipe); extern u32 drm_crtc_vblank_count(struct drm_crtc *crtc); extern u32 drm_vblank_count_and_time(struct drm_device *dev, unsigned int pipe, struct timeval *vblanktime); +extern u32 drm_crtc_vblank_count_and_time(struct drm_crtc *crtc, + struct timeval *vblanktime); extern void drm_send_vblank_event(struct drm_device *dev, unsigned int pipe, struct drm_pending_vblank_event *e); extern void drm_crtc_send_vblank_event(struct drm_crtc *crtc, @@ -946,12 +961,12 @@ extern void drm_crtc_vblank_off(struct drm_crtc *crtc); extern void drm_crtc_vblank_reset(struct drm_crtc *crtc); extern void drm_crtc_vblank_on(struct drm_crtc *crtc); extern void drm_vblank_cleanup(struct drm_device *dev); +extern u32 drm_vblank_no_hw_counter(struct drm_device *dev, unsigned int pipe); extern int drm_calc_vbltimestamp_from_scanoutpos(struct drm_device *dev, unsigned int pipe, int *max_error, struct timeval *vblank_time, unsigned flags, - const struct drm_crtc *refcrtc, const struct drm_display_mode *mode); extern void drm_calc_timestamping_constants(struct drm_crtc *crtc, const struct drm_display_mode *mode); diff --git a/include/drm/drm_agpsupport.h b/include/drm/drm_agpsupport.h index 055dc058d147..193ef19dfc5c 100644 --- a/include/drm/drm_agpsupport.h +++ b/include/drm/drm_agpsupport.h @@ -12,9 +12,6 @@ struct drm_device; struct drm_file; -#define __OS_HAS_AGP (defined(CONFIG_AGP) || (defined(CONFIG_AGP_MODULE) && \ - defined(MODULE))) - struct drm_agp_head { struct agp_kern_info agp_info; struct list_head memory; @@ -28,7 +25,7 @@ struct drm_agp_head { unsigned long page_mask; }; -#if __OS_HAS_AGP +#if IS_ENABLED(CONFIG_AGP) void drm_free_agp(struct agp_memory * handle, int pages); int drm_bind_agp(struct agp_memory * handle, unsigned int start); @@ -66,7 +63,7 @@ int drm_agp_bind(struct drm_device *dev, struct drm_agp_binding *request); int drm_agp_bind_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv); -#else /* __OS_HAS_AGP */ +#else /* CONFIG_AGP */ static inline void drm_free_agp(struct agp_memory * handle, int pages) { @@ -105,95 +102,47 @@ static inline int drm_agp_acquire(struct drm_device *dev) return -ENODEV; } -static inline int drm_agp_acquire_ioctl(struct drm_device *dev, void *data, - struct drm_file *file_priv) -{ - return -ENODEV; -} - static inline int drm_agp_release(struct drm_device *dev) { return -ENODEV; } -static inline int drm_agp_release_ioctl(struct drm_device *dev, void *data, - struct drm_file *file_priv) -{ - return -ENODEV; -} - static inline int drm_agp_enable(struct drm_device *dev, struct drm_agp_mode mode) { return -ENODEV; } -static inline int drm_agp_enable_ioctl(struct drm_device *dev, void *data, - struct drm_file *file_priv) -{ - return -ENODEV; -} - static inline int drm_agp_info(struct drm_device *dev, struct drm_agp_info *info) { return -ENODEV; } -static inline int drm_agp_info_ioctl(struct drm_device *dev, void *data, - struct drm_file *file_priv) -{ - return -ENODEV; -} - static inline int drm_agp_alloc(struct drm_device *dev, struct drm_agp_buffer *request) { return -ENODEV; } -static inline int drm_agp_alloc_ioctl(struct drm_device *dev, void *data, - struct drm_file *file_priv) -{ - return -ENODEV; -} - static inline int drm_agp_free(struct drm_device *dev, struct drm_agp_buffer *request) { return -ENODEV; } -static inline int drm_agp_free_ioctl(struct drm_device *dev, void *data, - struct drm_file *file_priv) -{ - return -ENODEV; -} - static inline int drm_agp_unbind(struct drm_device *dev, struct drm_agp_binding *request) { return -ENODEV; } -static inline int drm_agp_unbind_ioctl(struct drm_device *dev, void *data, - struct drm_file *file_priv) -{ - return -ENODEV; -} - static inline int drm_agp_bind(struct drm_device *dev, struct drm_agp_binding *request) { return -ENODEV; } -static inline int drm_agp_bind_ioctl(struct drm_device *dev, void *data, - struct drm_file *file_priv) -{ - return -ENODEV; -} - -#endif /* __OS_HAS_AGP */ +#endif /* CONFIG_AGP */ #endif /* _DRM_AGPSUPPORT_H_ */ diff --git a/include/drm/drm_atomic.h b/include/drm/drm_atomic.h index e67aeac2aee0..4b74c97d297a 100644 --- a/include/drm/drm_atomic.h +++ b/include/drm/drm_atomic.h @@ -136,6 +136,9 @@ drm_atomic_connectors_for_crtc(struct drm_atomic_state *state, void drm_atomic_legacy_backoff(struct drm_atomic_state *state); +void +drm_atomic_clean_old_fb(struct drm_device *dev, unsigned plane_mask, int ret); + int __must_check drm_atomic_check_only(struct drm_atomic_state *state); int __must_check drm_atomic_commit(struct drm_atomic_state *state); int __must_check drm_atomic_async_commit(struct drm_atomic_state *state); diff --git a/include/drm/drm_atomic_helper.h b/include/drm/drm_atomic_helper.h index 11266d147a29..8cba54a2a0a0 100644 --- a/include/drm/drm_atomic_helper.h +++ b/include/drm/drm_atomic_helper.h @@ -30,6 +30,8 @@ #include <drm/drm_crtc.h> +struct drm_atomic_state; + int drm_atomic_helper_check_modeset(struct drm_device *dev, struct drm_atomic_state *state); int drm_atomic_helper_check_planes(struct drm_device *dev, @@ -55,7 +57,8 @@ void drm_atomic_helper_commit_modeset_enables(struct drm_device *dev, int drm_atomic_helper_prepare_planes(struct drm_device *dev, struct drm_atomic_state *state); void drm_atomic_helper_commit_planes(struct drm_device *dev, - struct drm_atomic_state *state); + struct drm_atomic_state *state, + bool active_only); void drm_atomic_helper_cleanup_planes(struct drm_device *dev, struct drm_atomic_state *old_state); void drm_atomic_helper_commit_planes_on_crtc(struct drm_crtc_state *old_crtc_state); @@ -72,7 +75,11 @@ int drm_atomic_helper_update_plane(struct drm_plane *plane, uint32_t src_x, uint32_t src_y, uint32_t src_w, uint32_t src_h); int drm_atomic_helper_disable_plane(struct drm_plane *plane); +int __drm_atomic_helper_disable_plane(struct drm_plane *plane, + struct drm_plane_state *plane_state); int drm_atomic_helper_set_config(struct drm_mode_set *set); +int __drm_atomic_helper_set_config(struct drm_mode_set *set, + struct drm_atomic_state *state); int drm_atomic_helper_crtc_set_property(struct drm_crtc *crtc, struct drm_property *property, @@ -117,6 +124,9 @@ __drm_atomic_helper_connector_duplicate_state(struct drm_connector *connector, struct drm_connector_state *state); struct drm_connector_state * drm_atomic_helper_connector_duplicate_state(struct drm_connector *connector); +struct drm_atomic_state * +drm_atomic_helper_duplicate_state(struct drm_device *dev, + struct drm_modeset_acquire_ctx *ctx); void __drm_atomic_helper_connector_destroy_state(struct drm_connector *connector, struct drm_connector_state *state); diff --git a/include/drm/drm_crtc.h b/include/drm/drm_crtc.h index faaeff7db684..3f0c6909dda1 100644 --- a/include/drm/drm_crtc.h +++ b/include/drm/drm_crtc.h @@ -86,10 +86,12 @@ static inline uint64_t I642U64(int64_t val) } /* rotation property bits */ +#define DRM_ROTATE_MASK 0x0f #define DRM_ROTATE_0 0 #define DRM_ROTATE_90 1 #define DRM_ROTATE_180 2 #define DRM_ROTATE_270 3 +#define DRM_REFLECT_MASK (~DRM_ROTATE_MASK) #define DRM_REFLECT_X 4 #define DRM_REFLECT_Y 5 @@ -210,8 +212,6 @@ struct drm_framebuffer { int flags; uint32_t pixel_format; /* fourcc format */ struct list_head filp_head; - /* if you are using the helper */ - void *helper_private; }; struct drm_property_blob { @@ -407,17 +407,11 @@ struct drm_crtc_funcs { * @enabled: is this CRTC enabled? * @mode: current mode timings * @hwmode: mode timings as programmed to hw regs - * @invert_dimensions: for purposes of error checking crtc vs fb sizes, - * invert the width/height of the crtc. This is used if the driver - * is performing 90 or 270 degree rotated scanout * @x: x position on screen * @y: y position on screen * @funcs: CRTC control functions * @gamma_size: size of gamma ramp * @gamma_store: gamma ramp values - * @framedur_ns: precise frame timing - * @linedur_ns: precise line timing - * @pixeldur_ns: precise pixel timing * @helper_private: mid-layer private data * @properties: property tracking for this CRTC * @state: current atomic state for this CRTC @@ -461,8 +455,6 @@ struct drm_crtc { */ struct drm_display_mode hwmode; - bool invert_dimensions; - int x, y; const struct drm_crtc_funcs *funcs; @@ -470,9 +462,6 @@ struct drm_crtc { uint32_t gamma_size; uint16_t *gamma_store; - /* Constants needed for precise vblank and swap timestamping. */ - int framedur_ns, linedur_ns, pixeldur_ns; - /* if you are using the helper */ const void *helper_private; @@ -913,7 +902,6 @@ struct drm_bridge_funcs { * @next: the next bridge in the encoder chain * @of_node: device node pointer to the bridge * @list: to keep track of all added bridges - * @base: base mode object * @funcs: control functions * @driver_private: pointer to the bridge driver's internal context */ @@ -1390,7 +1378,7 @@ extern int drm_property_add_enum(struct drm_property *property, int index, extern int drm_mode_create_dvi_i_properties(struct drm_device *dev); extern int drm_mode_create_tv_properties(struct drm_device *dev, unsigned int num_modes, - char *modes[]); + const char * const modes[]); extern int drm_mode_create_scaling_mode_property(struct drm_device *dev); extern int drm_mode_create_aspect_ratio_property(struct drm_device *dev); extern int drm_mode_create_dirty_info_property(struct drm_device *dev); diff --git a/include/drm/drm_dp_helper.h b/include/drm/drm_dp_helper.h index 0212d139a480..bb9d0deca07c 100644 --- a/include/drm/drm_dp_helper.h +++ b/include/drm/drm_dp_helper.h @@ -46,7 +46,7 @@ #define DP_AUX_I2C_WRITE 0x0 #define DP_AUX_I2C_READ 0x1 -#define DP_AUX_I2C_STATUS 0x2 +#define DP_AUX_I2C_WRITE_STATUS_UPDATE 0x2 #define DP_AUX_I2C_MOT 0x4 #define DP_AUX_NATIVE_WRITE 0x8 #define DP_AUX_NATIVE_READ 0x9 @@ -638,6 +638,13 @@ drm_dp_enhanced_frame_cap(const u8 dpcd[DP_RECEIVER_CAP_SIZE]) (dpcd[DP_MAX_LANE_COUNT] & DP_ENHANCED_FRAME_CAP); } +static inline bool +drm_dp_tps3_supported(const u8 dpcd[DP_RECEIVER_CAP_SIZE]) +{ + return dpcd[DP_DPCD_REV] >= 0x12 && + dpcd[DP_MAX_LANE_COUNT] & DP_TPS3_SUPPORTED; +} + /* * DisplayPort AUX channel */ diff --git a/include/drm/drm_edid.h b/include/drm/drm_edid.h index 53c53c459b15..2af97691e878 100644 --- a/include/drm/drm_edid.h +++ b/include/drm/drm_edid.h @@ -326,9 +326,8 @@ void drm_edid_to_eld(struct drm_connector *connector, struct edid *edid); int drm_edid_to_sad(struct edid *edid, struct cea_sad **sads); int drm_edid_to_speaker_allocation(struct edid *edid, u8 **sadb); int drm_av_sync_delay(struct drm_connector *connector, - struct drm_display_mode *mode); -struct drm_connector *drm_select_eld(struct drm_encoder *encoder, - struct drm_display_mode *mode); + const struct drm_display_mode *mode); +struct drm_connector *drm_select_eld(struct drm_encoder *encoder); int drm_load_edid_firmware(struct drm_connector *connector); int diff --git a/include/drm/drm_fb_helper.h b/include/drm/drm_fb_helper.h index dbab4622b58f..87b090c4b730 100644 --- a/include/drm/drm_fb_helper.h +++ b/include/drm/drm_fb_helper.h @@ -104,6 +104,20 @@ struct drm_fb_helper_connector { struct drm_connector *connector; }; +/** + * struct drm_fb_helper - helper to emulate fbdev on top of kms + * @fb: Scanout framebuffer object + * @dev: DRM device + * @crtc_count: number of possible CRTCs + * @crtc_info: per-CRTC helper state (mode, x/y offset, etc) + * @connector_count: number of connected connectors + * @connector_info_alloc_count: size of connector_info + * @funcs: driver callbacks for fb helper + * @fbdev: emulated fbdev device info struct + * @pseudo_palette: fake palette of 16 colors + * @kernel_fb_list: list_head in kernel_fb_helper_list + * @delayed_hotplug: was there a hotplug while kms master active? + */ struct drm_fb_helper { struct drm_framebuffer *fb; struct drm_device *dev; @@ -120,6 +134,17 @@ struct drm_fb_helper { /* we got a hotplug but fbdev wasn't running the console delay until next set_par */ bool delayed_hotplug; + + /** + * @atomic: + * + * Use atomic updates for restore_fbdev_mode(), etc. This defaults to + * true if driver has DRIVER_ATOMIC feature flag, but drivers can + * override it to true after drm_fb_helper_init() if they support atomic + * modeset but do not yet advertise DRIVER_ATOMIC (note that fb-helper + * does not require ASYNC commits). + */ + bool atomic; }; #ifdef CONFIG_DRM_FBDEV_EMULATION @@ -136,7 +161,7 @@ int drm_fb_helper_set_par(struct fb_info *info); int drm_fb_helper_check_var(struct fb_var_screeninfo *var, struct fb_info *info); -bool drm_fb_helper_restore_fbdev_mode_unlocked(struct drm_fb_helper *fb_helper); +int drm_fb_helper_restore_fbdev_mode_unlocked(struct drm_fb_helper *fb_helper); struct fb_info *drm_fb_helper_alloc_fbi(struct drm_fb_helper *fb_helper); void drm_fb_helper_unregister_fbi(struct drm_fb_helper *fb_helper); @@ -226,10 +251,10 @@ static inline int drm_fb_helper_check_var(struct fb_var_screeninfo *var, return 0; } -static inline bool +static inline int drm_fb_helper_restore_fbdev_mode_unlocked(struct drm_fb_helper *fb_helper) { - return true; + return 0; } static inline struct fb_info * diff --git a/include/drm/drm_gem.h b/include/drm/drm_gem.h index 7a592d7e398b..15e7f007380f 100644 --- a/include/drm/drm_gem.h +++ b/include/drm/drm_gem.h @@ -142,8 +142,11 @@ drm_gem_object_reference(struct drm_gem_object *obj) static inline void drm_gem_object_unreference(struct drm_gem_object *obj) { - if (obj != NULL) + if (obj != NULL) { + WARN_ON(!mutex_is_locked(&obj->dev->struct_mutex)); + kref_put(&obj->refcount, drm_gem_object_free); + } } static inline void diff --git a/include/drm/drm_modeset_lock.h b/include/drm/drm_modeset_lock.h index 5dd18bfdf601..94938d89347c 100644 --- a/include/drm/drm_modeset_lock.h +++ b/include/drm/drm_modeset_lock.h @@ -43,19 +43,19 @@ struct drm_modeset_acquire_ctx { struct ww_acquire_ctx ww_ctx; - /** + /* * Contended lock: if a lock is contended you should only call * drm_modeset_backoff() which drops locks and slow-locks the * contended lock. */ struct drm_modeset_lock *contended; - /** + /* * list of held locks (drm_modeset_lock) */ struct list_head locked; - /** + /* * Trylock mode, use only for panic handlers! */ bool trylock_only; @@ -70,12 +70,12 @@ struct drm_modeset_acquire_ctx { * Used for locking CRTCs and other modeset resources. */ struct drm_modeset_lock { - /** + /* * modeset lock */ struct ww_mutex mutex; - /** + /* * Resources that are locked as part of an atomic update are added * to a list (so we know what to unlock at the end). */ diff --git a/include/drm/drm_of.h b/include/drm/drm_of.h index 2441f7112074..8544665ee4f4 100644 --- a/include/drm/drm_of.h +++ b/include/drm/drm_of.h @@ -1,18 +1,31 @@ #ifndef __DRM_OF_H__ #define __DRM_OF_H__ +struct component_master_ops; +struct device; struct drm_device; struct device_node; #ifdef CONFIG_OF extern uint32_t drm_of_find_possible_crtcs(struct drm_device *dev, struct device_node *port); +extern int drm_of_component_probe(struct device *dev, + int (*compare_of)(struct device *, void *), + const struct component_master_ops *m_ops); #else static inline uint32_t drm_of_find_possible_crtcs(struct drm_device *dev, struct device_node *port) { return 0; } + +static inline int +drm_of_component_probe(struct device *dev, + int (*compare_of)(struct device *, void *), + const struct component_master_ops *m_ops) +{ + return -EINVAL; +} #endif #endif /* __DRM_OF_H__ */ diff --git a/include/drm/drm_plane_helper.h b/include/drm/drm_plane_helper.h index dda401bf910e..5a7f9d4efb1d 100644 --- a/include/drm/drm_plane_helper.h +++ b/include/drm/drm_plane_helper.h @@ -58,10 +58,8 @@ int drm_crtc_init(struct drm_device *dev, struct drm_crtc *crtc, */ struct drm_plane_helper_funcs { int (*prepare_fb)(struct drm_plane *plane, - struct drm_framebuffer *fb, const struct drm_plane_state *new_state); void (*cleanup_fb)(struct drm_plane *plane, - struct drm_framebuffer *fb, const struct drm_plane_state *old_state); int (*atomic_check)(struct drm_plane *plane, diff --git a/include/drm/drm_vma_manager.h b/include/drm/drm_vma_manager.h index 8cd402c73a5f..2f63dd5e05eb 100644 --- a/include/drm/drm_vma_manager.h +++ b/include/drm/drm_vma_manager.h @@ -54,9 +54,6 @@ void drm_vma_offset_manager_init(struct drm_vma_offset_manager *mgr, unsigned long page_offset, unsigned long size); void drm_vma_offset_manager_destroy(struct drm_vma_offset_manager *mgr); -struct drm_vma_offset_node *drm_vma_offset_lookup(struct drm_vma_offset_manager *mgr, - unsigned long start, - unsigned long pages); struct drm_vma_offset_node *drm_vma_offset_lookup_locked(struct drm_vma_offset_manager *mgr, unsigned long start, unsigned long pages); @@ -71,25 +68,25 @@ bool drm_vma_node_is_allowed(struct drm_vma_offset_node *node, struct file *filp); /** - * drm_vma_offset_exact_lookup() - Look up node by exact address + * drm_vma_offset_exact_lookup_locked() - Look up node by exact address * @mgr: Manager object * @start: Start address (page-based, not byte-based) * @pages: Size of object (page-based) * - * Same as drm_vma_offset_lookup() but does not allow any offset into the node. + * Same as drm_vma_offset_lookup_locked() but does not allow any offset into the node. * It only returns the exact object with the given start address. * * RETURNS: * Node at exact start address @start. */ static inline struct drm_vma_offset_node * -drm_vma_offset_exact_lookup(struct drm_vma_offset_manager *mgr, - unsigned long start, - unsigned long pages) +drm_vma_offset_exact_lookup_locked(struct drm_vma_offset_manager *mgr, + unsigned long start, + unsigned long pages) { struct drm_vma_offset_node *node; - node = drm_vma_offset_lookup(mgr, start, pages); + node = drm_vma_offset_lookup_locked(mgr, start, pages); return (node && node->vm_node.start == start) ? node : NULL; } @@ -97,7 +94,7 @@ drm_vma_offset_exact_lookup(struct drm_vma_offset_manager *mgr, * drm_vma_offset_lock_lookup() - Lock lookup for extended private use * @mgr: Manager object * - * Lock VMA manager for extended lookups. Only *_locked() VMA function calls + * Lock VMA manager for extended lookups. Only locked VMA function calls * are allowed while holding this lock. All other contexts are blocked from VMA * until the lock is released via drm_vma_offset_unlock_lookup(). * @@ -108,13 +105,6 @@ drm_vma_offset_exact_lookup(struct drm_vma_offset_manager *mgr, * not call any other VMA helpers while holding this lock. * * Note: You're in atomic-context while holding this lock! - * - * Example: - * drm_vma_offset_lock_lookup(mgr); - * node = drm_vma_offset_lookup_locked(mgr); - * if (node) - * kref_get_unless_zero(container_of(node, sth, entr)); - * drm_vma_offset_unlock_lookup(mgr); */ static inline void drm_vma_offset_lock_lookup(struct drm_vma_offset_manager *mgr) { diff --git a/include/drm/i915_component.h b/include/drm/i915_component.h index 89dc7d6bc1cc..30d89e0da2c6 100644 --- a/include/drm/i915_component.h +++ b/include/drm/i915_component.h @@ -30,38 +30,49 @@ */ #define MAX_PORTS 5 -struct i915_audio_component { - struct device *dev; +/** + * struct i915_audio_component_ops - callbacks defined in gfx driver + * @owner: the module owner + * @get_power: get the POWER_DOMAIN_AUDIO power well + * @put_power: put the POWER_DOMAIN_AUDIO power well + * @codec_wake_override: Enable/Disable generating the codec wake signal + * @get_cdclk_freq: get the Core Display Clock in KHz + * @sync_audio_rate: set n/cts based on the sample rate + */ +struct i915_audio_component_ops { + struct module *owner; + void (*get_power)(struct device *); + void (*put_power)(struct device *); + void (*codec_wake_override)(struct device *, bool enable); + int (*get_cdclk_freq)(struct device *); + int (*sync_audio_rate)(struct device *, int port, int rate); +}; + +struct i915_audio_component_audio_ops { + void *audio_ptr; /** - * @aud_sample_rate: the array of audio sample rate per port + * Call from i915 driver, notifying the HDA driver that + * pin sense and/or ELD information has changed. + * @audio_ptr: HDA driver object + * @port: Which port has changed (PORTA / PORTB / PORTC etc) */ + void (*pin_eld_notify)(void *audio_ptr, int port); +}; + +/** + * struct i915_audio_component - used for audio video interaction + * @dev: the device from gfx driver + * @aud_sample_rate: the array of audio sample rate per port + * @ops: callback for audio driver calling + * @audio_ops: Call from i915 driver + */ +struct i915_audio_component { + struct device *dev; int aud_sample_rate[MAX_PORTS]; - const struct i915_audio_component_ops { - struct module *owner; - void (*get_power)(struct device *); - void (*put_power)(struct device *); - void (*codec_wake_override)(struct device *, bool enable); - int (*get_cdclk_freq)(struct device *); - /** - * @sync_audio_rate: set n/cts based on the sample rate - * - * Called from audio driver. After audio driver sets the - * sample rate, it will call this function to set n/cts - */ - int (*sync_audio_rate)(struct device *, int port, int rate); - } *ops; + const struct i915_audio_component_ops *ops; - const struct i915_audio_component_audio_ops { - void *audio_ptr; - /** - * Call from i915 driver, notifying the HDA driver that - * pin sense and/or ELD information has changed. - * @audio_ptr: HDA driver object - * @port: Which port has changed (PORTA / PORTB / PORTC etc) - */ - void (*pin_eld_notify)(void *audio_ptr, int port); - } *audio_ops; + const struct i915_audio_component_audio_ops *audio_ops; }; #endif /* _I915_COMPONENT_H_ */ diff --git a/include/dt-bindings/clock/berlin2q.h b/include/dt-bindings/clock/berlin2q.h index 287fc3b4afb2..72eaf91c9ca6 100644 --- a/include/dt-bindings/clock/berlin2q.h +++ b/include/dt-bindings/clock/berlin2q.h @@ -29,3 +29,4 @@ #define CLKID_SMEMC 24 #define CLKID_PCIE 25 #define CLKID_TWD 26 +#define CLKID_CPU 27 diff --git a/include/dt-bindings/clock/exynos5250.h b/include/dt-bindings/clock/exynos5250.h index 8183d1c237d9..15508adcdfde 100644 --- a/include/dt-bindings/clock/exynos5250.h +++ b/include/dt-bindings/clock/exynos5250.h @@ -173,8 +173,10 @@ /* mux clocks */ #define CLK_MOUT_HDMI 1024 #define CLK_MOUT_GPLL 1025 +#define CLK_MOUT_ACLK200_DISP1_SUB 1026 +#define CLK_MOUT_ACLK300_DISP1_SUB 1027 /* must be greater than maximal clock id */ -#define CLK_NR_CLKS 1026 +#define CLK_NR_CLKS 1028 #endif /* _DT_BINDINGS_CLOCK_EXYNOS_5250_H */ diff --git a/include/dt-bindings/power/rk3288-power.h b/include/dt-bindings/power/rk3288-power.h new file mode 100644 index 000000000000..b8b1045f3daa --- /dev/null +++ b/include/dt-bindings/power/rk3288-power.h @@ -0,0 +1,31 @@ +#ifndef __DT_BINDINGS_POWER_RK3288_POWER_H__ +#define __DT_BINDINGS_POWER_RK3288_POWER_H__ + +/** + * RK3288 Power Domain and Voltage Domain Summary. + */ + +/* VD_CORE */ +#define RK3288_PD_A17_0 0 +#define RK3288_PD_A17_1 1 +#define RK3288_PD_A17_2 2 +#define RK3288_PD_A17_3 3 +#define RK3288_PD_SCU 4 +#define RK3288_PD_DEBUG 5 +#define RK3288_PD_MEM 6 + +/* VD_LOGIC */ +#define RK3288_PD_BUS 7 +#define RK3288_PD_PERI 8 +#define RK3288_PD_VIO 9 +#define RK3288_PD_ALIVE 10 +#define RK3288_PD_HEVC 11 +#define RK3288_PD_VIDEO 12 + +/* VD_GPU */ +#define RK3288_PD_GPU 13 + +/* VD_PMU */ +#define RK3288_PD_PMU 14 + +#endif diff --git a/include/kvm/arm_vgic.h b/include/kvm/arm_vgic.h index 9c747cb14ad8..d2f41477f8ae 100644 --- a/include/kvm/arm_vgic.h +++ b/include/kvm/arm_vgic.h @@ -342,10 +342,10 @@ int kvm_vgic_inject_mapped_irq(struct kvm *kvm, int cpuid, struct irq_phys_map *map, bool level); void vgic_v3_dispatch_sgi(struct kvm_vcpu *vcpu, u64 reg); int kvm_vgic_vcpu_pending_irq(struct kvm_vcpu *vcpu); -int kvm_vgic_vcpu_active_irq(struct kvm_vcpu *vcpu); struct irq_phys_map *kvm_vgic_map_phys_irq(struct kvm_vcpu *vcpu, int virt_irq, int irq); int kvm_vgic_unmap_phys_irq(struct kvm_vcpu *vcpu, struct irq_phys_map *map); +bool kvm_vgic_map_is_active(struct kvm_vcpu *vcpu, struct irq_phys_map *map); #define irqchip_in_kernel(k) (!!((k)->arch.vgic.in_kernel)) #define vgic_initialized(k) (!!((k)->arch.vgic.nr_cpus)) diff --git a/include/linux/acpi.h b/include/linux/acpi.h index d6f95bb481d4..054833939995 100644 --- a/include/linux/acpi.h +++ b/include/linux/acpi.h @@ -514,6 +514,11 @@ static inline bool has_acpi_companion(struct device *dev) return false; } +static inline void acpi_preset_companion(struct device *dev, + struct acpi_device *parent, u64 addr) +{ +} + static inline const char *acpi_dev_name(struct acpi_device *adev) { return NULL; @@ -596,11 +601,16 @@ static inline int acpi_device_modalias(struct device *dev, return -ENODEV; } -static inline bool acpi_check_dma(struct acpi_device *adev, bool *coherent) +static inline bool acpi_dma_supported(struct acpi_device *adev) { return false; } +static inline enum dev_dma_attr acpi_get_dma_attr(struct acpi_device *adev) +{ + return DEV_DMA_NOT_SUPPORTED; +} + #define ACPI_PTR(_ptr) (NULL) #endif /* !CONFIG_ACPI */ diff --git a/include/linux/atmel_tc.h b/include/linux/atmel_tc.h index b87c1c7c242a..468fdfa643f0 100644 --- a/include/linux/atmel_tc.h +++ b/include/linux/atmel_tc.h @@ -67,6 +67,7 @@ struct atmel_tc { const struct atmel_tcb_config *tcb_config; int irq[3]; struct clk *clk[3]; + struct clk *slow_clk; struct list_head node; bool allocated; }; diff --git a/include/linux/bitops.h b/include/linux/bitops.h index e63553386ae7..2b8ed123ad36 100644 --- a/include/linux/bitops.h +++ b/include/linux/bitops.h @@ -164,6 +164,8 @@ static inline __u8 ror8(__u8 word, unsigned int shift) * sign_extend32 - sign extend a 32-bit value using specified bit as sign-bit * @value: value to sign extend * @index: 0 based bit index (0<=index<32) to sign bit + * + * This is safe to use for 16- and 8-bit types as well. */ static inline __s32 sign_extend32(__u32 value, int index) { @@ -171,6 +173,17 @@ static inline __s32 sign_extend32(__u32 value, int index) return (__s32)(value << shift) >> shift; } +/** + * sign_extend64 - sign extend a 64-bit value using specified bit as sign-bit + * @value: value to sign extend + * @index: 0 based bit index (0<=index<64) to sign bit + */ +static inline __s64 sign_extend64(__u64 value, int index) +{ + __u8 shift = 63 - index; + return (__s64)(value << shift) >> shift; +} + static inline unsigned fls_long(unsigned long l) { if (sizeof(l) == 4) diff --git a/include/linux/blk-mq.h b/include/linux/blk-mq.h index 83cc9d4e5455..daf17d70aeca 100644 --- a/include/linux/blk-mq.h +++ b/include/linux/blk-mq.h @@ -59,6 +59,9 @@ struct blk_mq_hw_ctx { struct blk_mq_cpu_notifier cpu_notifier; struct kobject kobj; + + unsigned long poll_invoked; + unsigned long poll_success; }; struct blk_mq_tag_set { @@ -97,6 +100,8 @@ typedef void (exit_request_fn)(void *, struct request *, unsigned int, typedef void (busy_iter_fn)(struct blk_mq_hw_ctx *, struct request *, void *, bool); typedef void (busy_tag_iter_fn)(struct request *, void *, bool); +typedef int (poll_fn)(struct blk_mq_hw_ctx *, unsigned int); + struct blk_mq_ops { /* @@ -114,6 +119,11 @@ struct blk_mq_ops { */ timeout_fn *timeout; + /* + * Called to poll for completion of a specific tag. + */ + poll_fn *poll; + softirq_done_fn *complete; /* diff --git a/include/linux/blk_types.h b/include/linux/blk_types.h index e8130138f29d..0fb65843ec1e 100644 --- a/include/linux/blk_types.h +++ b/include/linux/blk_types.h @@ -244,4 +244,28 @@ enum rq_flag_bits { #define REQ_MQ_INFLIGHT (1ULL << __REQ_MQ_INFLIGHT) #define REQ_NO_TIMEOUT (1ULL << __REQ_NO_TIMEOUT) +typedef unsigned int blk_qc_t; +#define BLK_QC_T_NONE -1U +#define BLK_QC_T_SHIFT 16 + +static inline bool blk_qc_t_valid(blk_qc_t cookie) +{ + return cookie != BLK_QC_T_NONE; +} + +static inline blk_qc_t blk_tag_to_qc_t(unsigned int tag, unsigned int queue_num) +{ + return tag | (queue_num << BLK_QC_T_SHIFT); +} + +static inline unsigned int blk_qc_t_to_queue_num(blk_qc_t cookie) +{ + return cookie >> BLK_QC_T_SHIFT; +} + +static inline unsigned int blk_qc_t_to_tag(blk_qc_t cookie) +{ + return cookie & ((1u << BLK_QC_T_SHIFT) - 1); +} + #endif /* __LINUX_BLK_TYPES_H */ diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index d045ca8487af..c0d2b7927c1f 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -209,7 +209,7 @@ static inline unsigned short req_get_ioprio(struct request *req) struct blk_queue_ctx; typedef void (request_fn_proc) (struct request_queue *q); -typedef void (make_request_fn) (struct request_queue *q, struct bio *bio); +typedef blk_qc_t (make_request_fn) (struct request_queue *q, struct bio *bio); typedef int (prep_rq_fn) (struct request_queue *, struct request *); typedef void (unprep_rq_fn) (struct request_queue *, struct request *); @@ -487,6 +487,7 @@ struct request_queue { #define QUEUE_FLAG_DEAD 19 /* queue tear-down finished */ #define QUEUE_FLAG_INIT_DONE 20 /* queue is initialized */ #define QUEUE_FLAG_NO_SG_MERGE 21 /* don't attempt to merge SG segments*/ +#define QUEUE_FLAG_POLL 22 /* IO polling enabled if set */ #define QUEUE_FLAG_DEFAULT ((1 << QUEUE_FLAG_IO_STAT) | \ (1 << QUEUE_FLAG_STACKABLE) | \ @@ -761,7 +762,7 @@ static inline void rq_flush_dcache_pages(struct request *rq) extern int blk_register_queue(struct gendisk *disk); extern void blk_unregister_queue(struct gendisk *disk); -extern void generic_make_request(struct bio *bio); +extern blk_qc_t generic_make_request(struct bio *bio); extern void blk_rq_init(struct request_queue *q, struct request *rq); extern void blk_put_request(struct request *); extern void __blk_put_request(struct request_queue *, struct request *); @@ -793,6 +794,8 @@ extern int scsi_cmd_ioctl(struct request_queue *, struct gendisk *, fmode_t, extern int sg_scsi_ioctl(struct request_queue *, struct gendisk *, fmode_t, struct scsi_ioctl_command __user *); +extern int blk_queue_enter(struct request_queue *q, gfp_t gfp); +extern void blk_queue_exit(struct request_queue *q); extern void blk_start_queue(struct request_queue *q); extern void blk_stop_queue(struct request_queue *q); extern void blk_sync_queue(struct request_queue *q); @@ -814,6 +817,8 @@ extern int blk_execute_rq(struct request_queue *, struct gendisk *, extern void blk_execute_rq_nowait(struct request_queue *, struct gendisk *, struct request *, int, rq_end_io_fn *); +bool blk_poll(struct request_queue *q, blk_qc_t cookie); + static inline struct request_queue *bdev_get_queue(struct block_device *bdev) { return bdev->bd_disk->queue; /* this is never NULL */ diff --git a/include/linux/buffer_head.h b/include/linux/buffer_head.h index e6797ded700e..89d9aa9e79bf 100644 --- a/include/linux/buffer_head.h +++ b/include/linux/buffer_head.h @@ -227,8 +227,6 @@ int cont_write_begin(struct file *, struct address_space *, loff_t, get_block_t *, loff_t *); int generic_cont_expand_simple(struct inode *inode, loff_t size); int block_commit_write(struct page *page, unsigned from, unsigned to); -int __block_page_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf, - get_block_t get_block); int block_page_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf, get_block_t get_block); /* Convert errno to return value from ->page_mkwrite() call */ diff --git a/include/linux/ceph/libceph.h b/include/linux/ceph/libceph.h index 397c5cd09794..3e3799cdc6e6 100644 --- a/include/linux/ceph/libceph.h +++ b/include/linux/ceph/libceph.h @@ -29,8 +29,9 @@ #define CEPH_OPT_NOSHARE (1<<1) /* don't share client with other sbs */ #define CEPH_OPT_MYIP (1<<2) /* specified my ip */ #define CEPH_OPT_NOCRC (1<<3) /* no data crc on writes */ -#define CEPH_OPT_NOMSGAUTH (1<<4) /* not require cephx message signature */ +#define CEPH_OPT_NOMSGAUTH (1<<4) /* don't require msg signing feat */ #define CEPH_OPT_TCP_NODELAY (1<<5) /* TCP_NODELAY on TCP sockets */ +#define CEPH_OPT_NOMSGSIGN (1<<6) /* don't sign msgs */ #define CEPH_OPT_DEFAULT (CEPH_OPT_TCP_NODELAY) @@ -137,6 +138,7 @@ struct ceph_client { #endif }; +#define from_msgr(ms) container_of(ms, struct ceph_client, msgr) /* diff --git a/include/linux/ceph/messenger.h b/include/linux/ceph/messenger.h index b2371d9b51fa..71b1d6cdcb5d 100644 --- a/include/linux/ceph/messenger.h +++ b/include/linux/ceph/messenger.h @@ -43,10 +43,9 @@ struct ceph_connection_operations { struct ceph_msg * (*alloc_msg) (struct ceph_connection *con, struct ceph_msg_header *hdr, int *skip); - int (*sign_message) (struct ceph_connection *con, struct ceph_msg *msg); - int (*check_message_signature) (struct ceph_connection *con, - struct ceph_msg *msg); + int (*sign_message) (struct ceph_msg *msg); + int (*check_message_signature) (struct ceph_msg *msg); }; /* use format string %s%d */ @@ -58,8 +57,6 @@ struct ceph_messenger { atomic_t stopping; possible_net_t net; - bool nocrc; - bool tcp_nodelay; /* * the global_seq counts connections i (attempt to) initiate @@ -67,9 +64,6 @@ struct ceph_messenger { */ u32 global_seq; spinlock_t global_seq_lock; - - u64 supported_features; - u64 required_features; }; enum ceph_msg_data_type { @@ -268,11 +262,7 @@ extern void ceph_msgr_exit(void); extern void ceph_msgr_flush(void); extern void ceph_messenger_init(struct ceph_messenger *msgr, - struct ceph_entity_addr *myaddr, - u64 supported_features, - u64 required_features, - bool nocrc, - bool tcp_nodelay); + struct ceph_entity_addr *myaddr); extern void ceph_messenger_fini(struct ceph_messenger *msgr); extern void ceph_con_init(struct ceph_connection *con, void *private, diff --git a/include/linux/compiler-gcc.h b/include/linux/compiler-gcc.h index 0e3110a0b771..22ab246feed3 100644 --- a/include/linux/compiler-gcc.h +++ b/include/linux/compiler-gcc.h @@ -205,7 +205,10 @@ #if GCC_VERSION >= 40600 /* - * Tell the optimizer that something else uses this function or variable. + * When used with Link Time Optimization, gcc can optimize away C functions or + * variables which are referenced only from assembly code. __visible tells the + * optimizer that something else uses this function or variable, thus preventing + * this. */ #define __visible __attribute__((externally_visible)) #endif diff --git a/include/linux/configfs.h b/include/linux/configfs.h index 63a36e89d0eb..758a029011b1 100644 --- a/include/linux/configfs.h +++ b/include/linux/configfs.h @@ -125,86 +125,33 @@ struct configfs_attribute { const char *ca_name; struct module *ca_owner; umode_t ca_mode; + ssize_t (*show)(struct config_item *, char *); + ssize_t (*store)(struct config_item *, const char *, size_t); }; -/* - * Users often need to create attribute structures for their configurable - * attributes, containing a configfs_attribute member and function pointers - * for the show() and store() operations on that attribute. If they don't - * need anything else on the extended attribute structure, they can use - * this macro to define it The argument _item is the name of the - * config_item structure. - */ -#define CONFIGFS_ATTR_STRUCT(_item) \ -struct _item##_attribute { \ - struct configfs_attribute attr; \ - ssize_t (*show)(struct _item *, char *); \ - ssize_t (*store)(struct _item *, const char *, size_t); \ +#define CONFIGFS_ATTR(_pfx, _name) \ +static struct configfs_attribute _pfx##attr_##_name = { \ + .ca_name = __stringify(_name), \ + .ca_mode = S_IRUGO | S_IWUSR, \ + .ca_owner = THIS_MODULE, \ + .show = _pfx##_name##_show, \ + .store = _pfx##_name##_store, \ } -/* - * With the extended attribute structure, users can use this macro - * (similar to sysfs' __ATTR) to make defining attributes easier. - * An example: - * #define MYITEM_ATTR(_name, _mode, _show, _store) \ - * struct myitem_attribute childless_attr_##_name = \ - * __CONFIGFS_ATTR(_name, _mode, _show, _store) - */ -#define __CONFIGFS_ATTR(_name, _mode, _show, _store) \ -{ \ - .attr = { \ - .ca_name = __stringify(_name), \ - .ca_mode = _mode, \ - .ca_owner = THIS_MODULE, \ - }, \ - .show = _show, \ - .store = _store, \ -} -/* Here is a readonly version, only requiring a show() operation */ -#define __CONFIGFS_ATTR_RO(_name, _show) \ -{ \ - .attr = { \ - .ca_name = __stringify(_name), \ - .ca_mode = 0444, \ - .ca_owner = THIS_MODULE, \ - }, \ - .show = _show, \ +#define CONFIGFS_ATTR_RO(_pfx, _name) \ +static struct configfs_attribute _pfx##attr_##_name = { \ + .ca_name = __stringify(_name), \ + .ca_mode = S_IRUGO, \ + .ca_owner = THIS_MODULE, \ + .show = _pfx##_name##_show, \ } -/* - * With these extended attributes, the simple show_attribute() and - * store_attribute() operations need to call the show() and store() of the - * attributes. This is a common pattern, so we provide a macro to define - * them. The argument _item is the name of the config_item structure. - * This macro expects the attributes to be named "struct <name>_attribute" - * and the function to_<name>() to exist; - */ -#define CONFIGFS_ATTR_OPS(_item) \ -static ssize_t _item##_attr_show(struct config_item *item, \ - struct configfs_attribute *attr, \ - char *page) \ -{ \ - struct _item *_item = to_##_item(item); \ - struct _item##_attribute *_item##_attr = \ - container_of(attr, struct _item##_attribute, attr); \ - ssize_t ret = 0; \ - \ - if (_item##_attr->show) \ - ret = _item##_attr->show(_item, page); \ - return ret; \ -} \ -static ssize_t _item##_attr_store(struct config_item *item, \ - struct configfs_attribute *attr, \ - const char *page, size_t count) \ -{ \ - struct _item *_item = to_##_item(item); \ - struct _item##_attribute *_item##_attr = \ - container_of(attr, struct _item##_attribute, attr); \ - ssize_t ret = -EINVAL; \ - \ - if (_item##_attr->store) \ - ret = _item##_attr->store(_item, page, count); \ - return ret; \ +#define CONFIGFS_ATTR_WO(_pfx, _name) \ +static struct configfs_attribute _pfx##attr_##_name = { \ + .ca_name = __stringify(_name), \ + .ca_mode = S_IWUSR, \ + .ca_owner = THIS_MODULE, \ + .store = _pfx##_name##_store, \ } /* @@ -223,8 +170,6 @@ static ssize_t _item##_attr_store(struct config_item *item, \ */ struct configfs_item_operations { void (*release)(struct config_item *); - ssize_t (*show_attribute)(struct config_item *, struct configfs_attribute *,char *); - ssize_t (*store_attribute)(struct config_item *,struct configfs_attribute *,const char *, size_t); int (*allow_link)(struct config_item *src, struct config_item *target); int (*drop_link)(struct config_item *src, struct config_item *target); }; @@ -252,6 +197,16 @@ static inline struct configfs_subsystem *to_configfs_subsystem(struct config_gro int configfs_register_subsystem(struct configfs_subsystem *subsys); void configfs_unregister_subsystem(struct configfs_subsystem *subsys); +int configfs_register_group(struct config_group *parent_group, + struct config_group *group); +void configfs_unregister_group(struct config_group *group); + +struct config_group * +configfs_register_default_group(struct config_group *parent_group, + const char *name, + struct config_item_type *item_type); +void configfs_unregister_default_group(struct config_group *group); + /* These functions can sleep and can alloc with GFP_KERNEL */ /* WARNING: These cannot be called underneath configfs callbacks!! */ int configfs_depend_item(struct configfs_subsystem *subsys, struct config_item *target); diff --git a/include/linux/context_tracking.h b/include/linux/context_tracking.h index 008fc67d0d96..68b575afe5f5 100644 --- a/include/linux/context_tracking.h +++ b/include/linux/context_tracking.h @@ -10,6 +10,10 @@ #ifdef CONFIG_CONTEXT_TRACKING extern void context_tracking_cpu_set(int cpu); +/* Called with interrupts disabled. */ +extern void __context_tracking_enter(enum ctx_state state); +extern void __context_tracking_exit(enum ctx_state state); + extern void context_tracking_enter(enum ctx_state state); extern void context_tracking_exit(enum ctx_state state); extern void context_tracking_user_enter(void); @@ -18,13 +22,13 @@ extern void context_tracking_user_exit(void); static inline void user_enter(void) { if (context_tracking_is_enabled()) - context_tracking_user_enter(); + context_tracking_enter(CONTEXT_USER); } static inline void user_exit(void) { if (context_tracking_is_enabled()) - context_tracking_user_exit(); + context_tracking_exit(CONTEXT_USER); } static inline enum ctx_state exception_enter(void) @@ -88,13 +92,13 @@ static inline void guest_enter(void) current->flags |= PF_VCPU; if (context_tracking_is_enabled()) - context_tracking_enter(CONTEXT_GUEST); + __context_tracking_enter(CONTEXT_GUEST); } static inline void guest_exit(void) { if (context_tracking_is_enabled()) - context_tracking_exit(CONTEXT_GUEST); + __context_tracking_exit(CONTEXT_GUEST); if (vtime_accounting_enabled()) vtime_guest_exit(current); diff --git a/include/linux/cpuset.h b/include/linux/cpuset.h index 5a1311942358..85a868ccb493 100644 --- a/include/linux/cpuset.h +++ b/include/linux/cpuset.h @@ -104,6 +104,9 @@ extern void cpuset_print_current_mems_allowed(void); */ static inline unsigned int read_mems_allowed_begin(void) { + if (!cpusets_enabled()) + return 0; + return read_seqcount_begin(¤t->mems_allowed_seq); } @@ -115,6 +118,9 @@ static inline unsigned int read_mems_allowed_begin(void) */ static inline bool read_mems_allowed_retry(unsigned int seq) { + if (!cpusets_enabled()) + return false; + return read_seqcount_retry(¤t->mems_allowed_seq, seq); } diff --git a/include/linux/devfreq_cooling.h b/include/linux/devfreq_cooling.h new file mode 100644 index 000000000000..7adf6cc4b305 --- /dev/null +++ b/include/linux/devfreq_cooling.h @@ -0,0 +1,81 @@ +/* + * devfreq_cooling: Thermal cooling device implementation for devices using + * devfreq + * + * Copyright (C) 2014-2015 ARM Limited + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * This program is distributed "as is" WITHOUT ANY WARRANTY of any + * kind, whether express or implied; without even the implied warranty + * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#ifndef __DEVFREQ_COOLING_H__ +#define __DEVFREQ_COOLING_H__ + +#include <linux/devfreq.h> +#include <linux/thermal.h> + +#ifdef CONFIG_DEVFREQ_THERMAL + +/** + * struct devfreq_cooling_power - Devfreq cooling power ops + * @get_static_power: Take voltage, in mV, and return the static power + * in mW. If NULL, the static power is assumed + * to be 0. + * @get_dynamic_power: Take voltage, in mV, and frequency, in HZ, and + * return the dynamic power draw in mW. If NULL, + * a simple power model is used. + * @dyn_power_coeff: Coefficient for the simple dynamic power model in + * mW/(MHz mV mV). + * If get_dynamic_power() is NULL, then the + * dynamic power is calculated as + * @dyn_power_coeff * frequency * voltage^2 + */ +struct devfreq_cooling_power { + unsigned long (*get_static_power)(unsigned long voltage); + unsigned long (*get_dynamic_power)(unsigned long freq, + unsigned long voltage); + unsigned long dyn_power_coeff; +}; + +struct thermal_cooling_device * +of_devfreq_cooling_register_power(struct device_node *np, struct devfreq *df, + struct devfreq_cooling_power *dfc_power); +struct thermal_cooling_device * +of_devfreq_cooling_register(struct device_node *np, struct devfreq *df); +struct thermal_cooling_device *devfreq_cooling_register(struct devfreq *df); +void devfreq_cooling_unregister(struct thermal_cooling_device *dfc); + +#else /* !CONFIG_DEVFREQ_THERMAL */ + +struct thermal_cooling_device * +of_devfreq_cooling_register_power(struct device_node *np, struct devfreq *df, + struct devfreq_cooling_power *dfc_power) +{ + return ERR_PTR(-EINVAL); +} + +static inline struct thermal_cooling_device * +of_devfreq_cooling_register(struct device_node *np, struct devfreq *df) +{ + return ERR_PTR(-EINVAL); +} + +static inline struct thermal_cooling_device * +devfreq_cooling_register(struct devfreq *df) +{ + return ERR_PTR(-EINVAL); +} + +static inline void +devfreq_cooling_unregister(struct thermal_cooling_device *dfc) +{ +} + +#endif /* CONFIG_DEVFREQ_THERMAL */ +#endif /* __DEVFREQ_COOLING_H__ */ diff --git a/include/linux/device.h b/include/linux/device.h index 5d7bc6349930..b8f411b57dcb 100644 --- a/include/linux/device.h +++ b/include/linux/device.h @@ -604,13 +604,21 @@ typedef void (*dr_release_t)(struct device *dev, void *res); typedef int (*dr_match_t)(struct device *dev, void *res, void *match_data); #ifdef CONFIG_DEBUG_DEVRES -extern void *__devres_alloc(dr_release_t release, size_t size, gfp_t gfp, - const char *name); +extern void *__devres_alloc_node(dr_release_t release, size_t size, gfp_t gfp, + int nid, const char *name); #define devres_alloc(release, size, gfp) \ - __devres_alloc(release, size, gfp, #release) + __devres_alloc_node(release, size, gfp, NUMA_NO_NODE, #release) +#define devres_alloc_node(release, size, gfp, nid) \ + __devres_alloc_node(release, size, gfp, nid, #release) #else -extern void *devres_alloc(dr_release_t release, size_t size, gfp_t gfp); +extern void *devres_alloc_node(dr_release_t release, size_t size, gfp_t gfp, + int nid); +static inline void *devres_alloc(dr_release_t release, size_t size, gfp_t gfp) +{ + return devres_alloc_node(release, size, gfp, NUMA_NO_NODE); +} #endif + extern void devres_for_each_res(struct device *dev, dr_release_t release, dr_match_t match, void *match_data, void (*fn)(struct device *, void *, void *), diff --git a/include/linux/dma-mapping.h b/include/linux/dma-mapping.h index ac07ff090919..2e551e2d2d03 100644 --- a/include/linux/dma-mapping.h +++ b/include/linux/dma-mapping.h @@ -1,6 +1,7 @@ #ifndef _LINUX_DMA_MAPPING_H #define _LINUX_DMA_MAPPING_H +#include <linux/sizes.h> #include <linux/string.h> #include <linux/device.h> #include <linux/err.h> @@ -145,7 +146,9 @@ static inline void arch_teardown_dma_ops(struct device *dev) { } static inline unsigned int dma_get_max_seg_size(struct device *dev) { - return dev->dma_parms ? dev->dma_parms->max_segment_size : 65536; + if (dev->dma_parms && dev->dma_parms->max_segment_size) + return dev->dma_parms->max_segment_size; + return SZ_64K; } static inline unsigned int dma_set_max_seg_size(struct device *dev, @@ -154,14 +157,15 @@ static inline unsigned int dma_set_max_seg_size(struct device *dev, if (dev->dma_parms) { dev->dma_parms->max_segment_size = size; return 0; - } else - return -EIO; + } + return -EIO; } static inline unsigned long dma_get_seg_boundary(struct device *dev) { - return dev->dma_parms ? - dev->dma_parms->segment_boundary_mask : 0xffffffff; + if (dev->dma_parms && dev->dma_parms->segment_boundary_mask) + return dev->dma_parms->segment_boundary_mask; + return DMA_BIT_MASK(32); } static inline int dma_set_seg_boundary(struct device *dev, unsigned long mask) @@ -169,8 +173,8 @@ static inline int dma_set_seg_boundary(struct device *dev, unsigned long mask) if (dev->dma_parms) { dev->dma_parms->segment_boundary_mask = mask; return 0; - } else - return -EIO; + } + return -EIO; } #ifndef dma_max_pfn diff --git a/include/linux/fb.h b/include/linux/fb.h index 41a3b11f7796..3d003805aac3 100644 --- a/include/linux/fb.h +++ b/include/linux/fb.h @@ -156,7 +156,7 @@ struct fb_cursor_user { #define FB_EVENT_GET_REQ 0x0D /* Unbind from the console if possible */ #define FB_EVENT_FB_UNBIND 0x0E -/* CONSOLE-SPECIFIC: remap all consoles to new fb - for vga switcheroo */ +/* CONSOLE-SPECIFIC: remap all consoles to new fb - for vga_switcheroo */ #define FB_EVENT_REMAP_ALL_CONSOLE 0x0F /* A hardware display blank early change occured */ #define FB_EARLY_EVENT_BLANK 0x10 diff --git a/include/linux/fence.h b/include/linux/fence.h index 39efee130d2b..bb522011383b 100644 --- a/include/linux/fence.h +++ b/include/linux/fence.h @@ -280,6 +280,22 @@ fence_is_signaled(struct fence *fence) } /** + * fence_is_later - return if f1 is chronologically later than f2 + * @f1: [in] the first fence from the same context + * @f2: [in] the second fence from the same context + * + * Returns true if f1 is chronologically later than f2. Both fences must be + * from the same context, since a seqno is not re-used across contexts. + */ +static inline bool fence_is_later(struct fence *f1, struct fence *f2) +{ + if (WARN_ON(f1->context != f2->context)) + return false; + + return f1->seqno - f2->seqno < INT_MAX; +} + +/** * fence_later - return the chronologically later fence * @f1: [in] the first fence from the same context * @f2: [in] the second fence from the same context @@ -298,14 +314,15 @@ static inline struct fence *fence_later(struct fence *f1, struct fence *f2) * set if enable_signaling wasn't called, and enabling that here is * overkill. */ - if (f2->seqno - f1->seqno <= INT_MAX) - return fence_is_signaled(f2) ? NULL : f2; - else + if (fence_is_later(f1, f2)) return fence_is_signaled(f1) ? NULL : f1; + else + return fence_is_signaled(f2) ? NULL : f2; } signed long fence_wait_timeout(struct fence *, bool intr, signed long timeout); - +signed long fence_wait_any_timeout(struct fence **fences, uint32_t count, + bool intr, signed long timeout); /** * fence_wait - sleep until the fence gets signaled diff --git a/include/linux/fs.h b/include/linux/fs.h index 9a1cb8c605e0..3aa514254161 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -1665,8 +1665,6 @@ struct inode_operations { umode_t create_mode, int *opened); int (*tmpfile) (struct inode *, struct dentry *, umode_t); int (*set_acl)(struct inode *, struct posix_acl *, int); - - /* WARNING: probably going away soon, do not use! */ } ____cacheline_aligned; ssize_t rw_copy_check_uvector(int type, const struct iovec __user * uvector, @@ -2613,7 +2611,7 @@ static inline void remove_inode_hash(struct inode *inode) extern void inode_sb_list_add(struct inode *inode); #ifdef CONFIG_BLOCK -extern void submit_bio(int, struct bio *); +extern blk_qc_t submit_bio(int, struct bio *); extern int bdev_read_only(struct block_device *); #endif extern int set_blocksize(struct block_device *, int); diff --git a/include/linux/gfp.h b/include/linux/gfp.h index f92cbd2f4450..8942af0813e3 100644 --- a/include/linux/gfp.h +++ b/include/linux/gfp.h @@ -14,7 +14,7 @@ struct vm_area_struct; #define ___GFP_HIGHMEM 0x02u #define ___GFP_DMA32 0x04u #define ___GFP_MOVABLE 0x08u -#define ___GFP_WAIT 0x10u +#define ___GFP_RECLAIMABLE 0x10u #define ___GFP_HIGH 0x20u #define ___GFP_IO 0x40u #define ___GFP_FS 0x80u @@ -29,18 +29,17 @@ struct vm_area_struct; #define ___GFP_NOMEMALLOC 0x10000u #define ___GFP_HARDWALL 0x20000u #define ___GFP_THISNODE 0x40000u -#define ___GFP_RECLAIMABLE 0x80000u +#define ___GFP_ATOMIC 0x80000u #define ___GFP_NOACCOUNT 0x100000u #define ___GFP_NOTRACK 0x200000u -#define ___GFP_NO_KSWAPD 0x400000u +#define ___GFP_DIRECT_RECLAIM 0x400000u #define ___GFP_OTHER_NODE 0x800000u #define ___GFP_WRITE 0x1000000u +#define ___GFP_KSWAPD_RECLAIM 0x2000000u /* If the above are modified, __GFP_BITS_SHIFT may need updating */ /* - * GFP bitmasks.. - * - * Zone modifiers (see linux/mmzone.h - low three bits) + * Physical address zone modifiers (see linux/mmzone.h - low four bits) * * Do not put any conditional on these. If necessary modify the definitions * without the underscores and use them consistently. The definitions here may @@ -50,116 +49,229 @@ struct vm_area_struct; #define __GFP_HIGHMEM ((__force gfp_t)___GFP_HIGHMEM) #define __GFP_DMA32 ((__force gfp_t)___GFP_DMA32) #define __GFP_MOVABLE ((__force gfp_t)___GFP_MOVABLE) /* Page is movable */ +#define __GFP_MOVABLE ((__force gfp_t)___GFP_MOVABLE) /* ZONE_MOVABLE allowed */ #define GFP_ZONEMASK (__GFP_DMA|__GFP_HIGHMEM|__GFP_DMA32|__GFP_MOVABLE) + +/* + * Page mobility and placement hints + * + * These flags provide hints about how mobile the page is. Pages with similar + * mobility are placed within the same pageblocks to minimise problems due + * to external fragmentation. + * + * __GFP_MOVABLE (also a zone modifier) indicates that the page can be + * moved by page migration during memory compaction or can be reclaimed. + * + * __GFP_RECLAIMABLE is used for slab allocations that specify + * SLAB_RECLAIM_ACCOUNT and whose pages can be freed via shrinkers. + * + * __GFP_WRITE indicates the caller intends to dirty the page. Where possible, + * these pages will be spread between local zones to avoid all the dirty + * pages being in one zone (fair zone allocation policy). + * + * __GFP_HARDWALL enforces the cpuset memory allocation policy. + * + * __GFP_THISNODE forces the allocation to be satisified from the requested + * node with no fallbacks or placement policy enforcements. + */ +#define __GFP_RECLAIMABLE ((__force gfp_t)___GFP_RECLAIMABLE) +#define __GFP_WRITE ((__force gfp_t)___GFP_WRITE) +#define __GFP_HARDWALL ((__force gfp_t)___GFP_HARDWALL) +#define __GFP_THISNODE ((__force gfp_t)___GFP_THISNODE) + /* - * Action modifiers - doesn't change the zoning + * Watermark modifiers -- controls access to emergency reserves + * + * __GFP_HIGH indicates that the caller is high-priority and that granting + * the request is necessary before the system can make forward progress. + * For example, creating an IO context to clean pages. + * + * __GFP_ATOMIC indicates that the caller cannot reclaim or sleep and is + * high priority. Users are typically interrupt handlers. This may be + * used in conjunction with __GFP_HIGH + * + * __GFP_MEMALLOC allows access to all memory. This should only be used when + * the caller guarantees the allocation will allow more memory to be freed + * very shortly e.g. process exiting or swapping. Users either should + * be the MM or co-ordinating closely with the VM (e.g. swap over NFS). + * + * __GFP_NOMEMALLOC is used to explicitly forbid access to emergency reserves. + * This takes precedence over the __GFP_MEMALLOC flag if both are set. + * + * __GFP_NOACCOUNT ignores the accounting for kmemcg limit enforcement. + */ +#define __GFP_ATOMIC ((__force gfp_t)___GFP_ATOMIC) +#define __GFP_HIGH ((__force gfp_t)___GFP_HIGH) +#define __GFP_MEMALLOC ((__force gfp_t)___GFP_MEMALLOC) +#define __GFP_NOMEMALLOC ((__force gfp_t)___GFP_NOMEMALLOC) +#define __GFP_NOACCOUNT ((__force gfp_t)___GFP_NOACCOUNT) + +/* + * Reclaim modifiers + * + * __GFP_IO can start physical IO. + * + * __GFP_FS can call down to the low-level FS. Clearing the flag avoids the + * allocator recursing into the filesystem which might already be holding + * locks. + * + * __GFP_DIRECT_RECLAIM indicates that the caller may enter direct reclaim. + * This flag can be cleared to avoid unnecessary delays when a fallback + * option is available. + * + * __GFP_KSWAPD_RECLAIM indicates that the caller wants to wake kswapd when + * the low watermark is reached and have it reclaim pages until the high + * watermark is reached. A caller may wish to clear this flag when fallback + * options are available and the reclaim is likely to disrupt the system. The + * canonical example is THP allocation where a fallback is cheap but + * reclaim/compaction may cause indirect stalls. + * + * __GFP_RECLAIM is shorthand to allow/forbid both direct and kswapd reclaim. * * __GFP_REPEAT: Try hard to allocate the memory, but the allocation attempt - * _might_ fail. This depends upon the particular VM implementation. + * _might_ fail. This depends upon the particular VM implementation. * * __GFP_NOFAIL: The VM implementation _must_ retry infinitely: the caller - * cannot handle allocation failures. New users should be evaluated carefully - * (and the flag should be used only when there is no reasonable failure policy) - * but it is definitely preferable to use the flag rather than opencode endless - * loop around allocator. + * cannot handle allocation failures. New users should be evaluated carefully + * (and the flag should be used only when there is no reasonable failure + * policy) but it is definitely preferable to use the flag rather than + * opencode endless loop around allocator. * * __GFP_NORETRY: The VM implementation must not retry indefinitely and will - * return NULL when direct reclaim and memory compaction have failed to allow - * the allocation to succeed. The OOM killer is not called with the current - * implementation. - * - * __GFP_MOVABLE: Flag that this page will be movable by the page migration - * mechanism or reclaimed + * return NULL when direct reclaim and memory compaction have failed to allow + * the allocation to succeed. The OOM killer is not called with the current + * implementation. */ -#define __GFP_WAIT ((__force gfp_t)___GFP_WAIT) /* Can wait and reschedule? */ -#define __GFP_HIGH ((__force gfp_t)___GFP_HIGH) /* Should access emergency pools? */ -#define __GFP_IO ((__force gfp_t)___GFP_IO) /* Can start physical IO? */ -#define __GFP_FS ((__force gfp_t)___GFP_FS) /* Can call down to low-level FS? */ -#define __GFP_COLD ((__force gfp_t)___GFP_COLD) /* Cache-cold page required */ -#define __GFP_NOWARN ((__force gfp_t)___GFP_NOWARN) /* Suppress page allocation failure warning */ -#define __GFP_REPEAT ((__force gfp_t)___GFP_REPEAT) /* See above */ -#define __GFP_NOFAIL ((__force gfp_t)___GFP_NOFAIL) /* See above */ -#define __GFP_NORETRY ((__force gfp_t)___GFP_NORETRY) /* See above */ -#define __GFP_MEMALLOC ((__force gfp_t)___GFP_MEMALLOC)/* Allow access to emergency reserves */ -#define __GFP_COMP ((__force gfp_t)___GFP_COMP) /* Add compound page metadata */ -#define __GFP_ZERO ((__force gfp_t)___GFP_ZERO) /* Return zeroed page on success */ -#define __GFP_NOMEMALLOC ((__force gfp_t)___GFP_NOMEMALLOC) /* Don't use emergency reserves. - * This takes precedence over the - * __GFP_MEMALLOC flag if both are - * set - */ -#define __GFP_HARDWALL ((__force gfp_t)___GFP_HARDWALL) /* Enforce hardwall cpuset memory allocs */ -#define __GFP_THISNODE ((__force gfp_t)___GFP_THISNODE)/* No fallback, no policies */ -#define __GFP_RECLAIMABLE ((__force gfp_t)___GFP_RECLAIMABLE) /* Page is reclaimable */ -#define __GFP_NOACCOUNT ((__force gfp_t)___GFP_NOACCOUNT) /* Don't account to kmemcg */ -#define __GFP_NOTRACK ((__force gfp_t)___GFP_NOTRACK) /* Don't track with kmemcheck */ - -#define __GFP_NO_KSWAPD ((__force gfp_t)___GFP_NO_KSWAPD) -#define __GFP_OTHER_NODE ((__force gfp_t)___GFP_OTHER_NODE) /* On behalf of other node */ -#define __GFP_WRITE ((__force gfp_t)___GFP_WRITE) /* Allocator intends to dirty page */ +#define __GFP_IO ((__force gfp_t)___GFP_IO) +#define __GFP_FS ((__force gfp_t)___GFP_FS) +#define __GFP_DIRECT_RECLAIM ((__force gfp_t)___GFP_DIRECT_RECLAIM) /* Caller can reclaim */ +#define __GFP_KSWAPD_RECLAIM ((__force gfp_t)___GFP_KSWAPD_RECLAIM) /* kswapd can wake */ +#define __GFP_RECLAIM ((__force gfp_t)(___GFP_DIRECT_RECLAIM|___GFP_KSWAPD_RECLAIM)) +#define __GFP_REPEAT ((__force gfp_t)___GFP_REPEAT) +#define __GFP_NOFAIL ((__force gfp_t)___GFP_NOFAIL) +#define __GFP_NORETRY ((__force gfp_t)___GFP_NORETRY) /* - * This may seem redundant, but it's a way of annotating false positives vs. - * allocations that simply cannot be supported (e.g. page tables). + * Action modifiers + * + * __GFP_COLD indicates that the caller does not expect to be used in the near + * future. Where possible, a cache-cold page will be returned. + * + * __GFP_NOWARN suppresses allocation failure reports. + * + * __GFP_COMP address compound page metadata. + * + * __GFP_ZERO returns a zeroed page on success. + * + * __GFP_NOTRACK avoids tracking with kmemcheck. + * + * __GFP_NOTRACK_FALSE_POSITIVE is an alias of __GFP_NOTRACK. It's a means of + * distinguishing in the source between false positives and allocations that + * cannot be supported (e.g. page tables). + * + * __GFP_OTHER_NODE is for allocations that are on a remote node but that + * should not be accounted for as a remote allocation in vmstat. A + * typical user would be khugepaged collapsing a huge page on a remote + * node. */ +#define __GFP_COLD ((__force gfp_t)___GFP_COLD) +#define __GFP_NOWARN ((__force gfp_t)___GFP_NOWARN) +#define __GFP_COMP ((__force gfp_t)___GFP_COMP) +#define __GFP_ZERO ((__force gfp_t)___GFP_ZERO) +#define __GFP_NOTRACK ((__force gfp_t)___GFP_NOTRACK) #define __GFP_NOTRACK_FALSE_POSITIVE (__GFP_NOTRACK) +#define __GFP_OTHER_NODE ((__force gfp_t)___GFP_OTHER_NODE) -#define __GFP_BITS_SHIFT 25 /* Room for N __GFP_FOO bits */ +/* Room for N __GFP_FOO bits */ +#define __GFP_BITS_SHIFT 26 #define __GFP_BITS_MASK ((__force gfp_t)((1 << __GFP_BITS_SHIFT) - 1)) -/* This equals 0, but use constants in case they ever change */ -#define GFP_NOWAIT (GFP_ATOMIC & ~__GFP_HIGH) -/* GFP_ATOMIC means both !wait (__GFP_WAIT not set) and use emergency pool */ -#define GFP_ATOMIC (__GFP_HIGH) -#define GFP_NOIO (__GFP_WAIT) -#define GFP_NOFS (__GFP_WAIT | __GFP_IO) -#define GFP_KERNEL (__GFP_WAIT | __GFP_IO | __GFP_FS) -#define GFP_TEMPORARY (__GFP_WAIT | __GFP_IO | __GFP_FS | \ +/* + * Useful GFP flag combinations that are commonly used. It is recommended + * that subsystems start with one of these combinations and then set/clear + * __GFP_FOO flags as necessary. + * + * GFP_ATOMIC users can not sleep and need the allocation to succeed. A lower + * watermark is applied to allow access to "atomic reserves" + * + * GFP_KERNEL is typical for kernel-internal allocations. The caller requires + * ZONE_NORMAL or a lower zone for direct access but can direct reclaim. + * + * GFP_NOWAIT is for kernel allocations that should not stall for direct + * reclaim, start physical IO or use any filesystem callback. + * + * GFP_NOIO will use direct reclaim to discard clean pages or slab pages + * that do not require the starting of any physical IO. + * + * GFP_NOFS will use direct reclaim but will not use any filesystem interfaces. + * + * GFP_USER is for userspace allocations that also need to be directly + * accessibly by the kernel or hardware. It is typically used by hardware + * for buffers that are mapped to userspace (e.g. graphics) that hardware + * still must DMA to. cpuset limits are enforced for these allocations. + * + * GFP_DMA exists for historical reasons and should be avoided where possible. + * The flags indicates that the caller requires that the lowest zone be + * used (ZONE_DMA or 16M on x86-64). Ideally, this would be removed but + * it would require careful auditing as some users really require it and + * others use the flag to avoid lowmem reserves in ZONE_DMA and treat the + * lowest zone as a type of emergency reserve. + * + * GFP_DMA32 is similar to GFP_DMA except that the caller requires a 32-bit + * address. + * + * GFP_HIGHUSER is for userspace allocations that may be mapped to userspace, + * do not need to be directly accessible by the kernel but that cannot + * move once in use. An example may be a hardware allocation that maps + * data directly into userspace but has no addressing limitations. + * + * GFP_HIGHUSER_MOVABLE is for userspace allocations that the kernel does not + * need direct access to but can use kmap() when access is required. They + * are expected to be movable via page reclaim or page migration. Typically, + * pages on the LRU would also be allocated with GFP_HIGHUSER_MOVABLE. + * + * GFP_TRANSHUGE is used for THP allocations. They are compound allocations + * that will fail quickly if memory is not available and will not wake + * kswapd on failure. + */ +#define GFP_ATOMIC (__GFP_HIGH|__GFP_ATOMIC|__GFP_KSWAPD_RECLAIM) +#define GFP_KERNEL (__GFP_RECLAIM | __GFP_IO | __GFP_FS) +#define GFP_NOWAIT (__GFP_KSWAPD_RECLAIM) +#define GFP_NOIO (__GFP_RECLAIM) +#define GFP_NOFS (__GFP_RECLAIM | __GFP_IO) +#define GFP_TEMPORARY (__GFP_RECLAIM | __GFP_IO | __GFP_FS | \ __GFP_RECLAIMABLE) -#define GFP_USER (__GFP_WAIT | __GFP_IO | __GFP_FS | __GFP_HARDWALL) +#define GFP_USER (__GFP_RECLAIM | __GFP_IO | __GFP_FS | __GFP_HARDWALL) +#define GFP_DMA __GFP_DMA +#define GFP_DMA32 __GFP_DMA32 #define GFP_HIGHUSER (GFP_USER | __GFP_HIGHMEM) #define GFP_HIGHUSER_MOVABLE (GFP_HIGHUSER | __GFP_MOVABLE) -#define GFP_IOFS (__GFP_IO | __GFP_FS) -#define GFP_TRANSHUGE (GFP_HIGHUSER_MOVABLE | __GFP_COMP | \ - __GFP_NOMEMALLOC | __GFP_NORETRY | __GFP_NOWARN | \ - __GFP_NO_KSWAPD) +#define GFP_TRANSHUGE ((GFP_HIGHUSER_MOVABLE | __GFP_COMP | \ + __GFP_NOMEMALLOC | __GFP_NORETRY | __GFP_NOWARN) & \ + ~__GFP_KSWAPD_RECLAIM) -/* This mask makes up all the page movable related flags */ +/* Convert GFP flags to their corresponding migrate type */ #define GFP_MOVABLE_MASK (__GFP_RECLAIMABLE|__GFP_MOVABLE) +#define GFP_MOVABLE_SHIFT 3 -/* Control page allocator reclaim behavior */ -#define GFP_RECLAIM_MASK (__GFP_WAIT|__GFP_HIGH|__GFP_IO|__GFP_FS|\ - __GFP_NOWARN|__GFP_REPEAT|__GFP_NOFAIL|\ - __GFP_NORETRY|__GFP_MEMALLOC|__GFP_NOMEMALLOC) - -/* Control slab gfp mask during early boot */ -#define GFP_BOOT_MASK (__GFP_BITS_MASK & ~(__GFP_WAIT|__GFP_IO|__GFP_FS)) - -/* Control allocation constraints */ -#define GFP_CONSTRAINT_MASK (__GFP_HARDWALL|__GFP_THISNODE) - -/* Do not use these with a slab allocator */ -#define GFP_SLAB_BUG_MASK (__GFP_DMA32|__GFP_HIGHMEM|~__GFP_BITS_MASK) - -/* Flag - indicates that the buffer will be suitable for DMA. Ignored on some - platforms, used as appropriate on others */ - -#define GFP_DMA __GFP_DMA - -/* 4GB DMA on some platforms */ -#define GFP_DMA32 __GFP_DMA32 - -/* Convert GFP flags to their corresponding migrate type */ static inline int gfpflags_to_migratetype(const gfp_t gfp_flags) { - WARN_ON((gfp_flags & GFP_MOVABLE_MASK) == GFP_MOVABLE_MASK); + VM_WARN_ON((gfp_flags & GFP_MOVABLE_MASK) == GFP_MOVABLE_MASK); + BUILD_BUG_ON((1UL << GFP_MOVABLE_SHIFT) != ___GFP_MOVABLE); + BUILD_BUG_ON((___GFP_MOVABLE >> GFP_MOVABLE_SHIFT) != MIGRATE_MOVABLE); if (unlikely(page_group_by_mobility_disabled)) return MIGRATE_UNMOVABLE; /* Group based on mobility */ - return (((gfp_flags & __GFP_MOVABLE) != 0) << 1) | - ((gfp_flags & __GFP_RECLAIMABLE) != 0); + return (gfp_flags & GFP_MOVABLE_MASK) >> GFP_MOVABLE_SHIFT; +} +#undef GFP_MOVABLE_MASK +#undef GFP_MOVABLE_SHIFT + +static inline bool gfpflags_allow_blocking(const gfp_t gfp_flags) +{ + return (bool __force)(gfp_flags & __GFP_DIRECT_RECLAIM); } #ifdef CONFIG_HIGHMEM diff --git a/include/linux/hid.h b/include/linux/hid.h index 251a1d382e23..75b66eccc692 100644 --- a/include/linux/hid.h +++ b/include/linux/hid.h @@ -168,6 +168,8 @@ struct hid_item { #define HID_UP_MSVENDOR 0xff000000 #define HID_UP_CUSTOM 0x00ff0000 #define HID_UP_LOGIVENDOR 0xffbc0000 +#define HID_UP_LOGIVENDOR2 0xff090000 +#define HID_UP_LOGIVENDOR3 0xff430000 #define HID_UP_LNVENDOR 0xffa00000 #define HID_UP_SENSOR 0x00200000 @@ -563,6 +565,9 @@ struct hid_device { /* device report descriptor */ wait_queue_head_t debug_wait; }; +#define to_hid_device(pdev) \ + container_of(pdev, struct hid_device, dev) + static inline void *hid_get_drvdata(struct hid_device *hdev) { return dev_get_drvdata(&hdev->dev); @@ -712,6 +717,9 @@ struct hid_driver { struct device_driver driver; }; +#define to_hid_driver(pdrv) \ + container_of(pdrv, struct hid_driver, driver) + /** * hid_ll_driver - low level driver callbacks * @start: called on probe to start the device diff --git a/include/linux/highmem.h b/include/linux/highmem.h index 6aefcd0031a6..bb3f3297062a 100644 --- a/include/linux/highmem.h +++ b/include/linux/highmem.h @@ -78,7 +78,6 @@ static inline void __kunmap_atomic(void *addr) } #define kmap_atomic_pfn(pfn) kmap_atomic(pfn_to_page(pfn)) -#define kmap_atomic_to_page(ptr) virt_to_page(ptr) #define kmap_flush_unused() do {} while(0) #endif diff --git a/include/linux/hugetlb_cgroup.h b/include/linux/hugetlb_cgroup.h index 7edd30515298..24154c26d469 100644 --- a/include/linux/hugetlb_cgroup.h +++ b/include/linux/hugetlb_cgroup.h @@ -32,7 +32,7 @@ static inline struct hugetlb_cgroup *hugetlb_cgroup_from_page(struct page *page) if (compound_order(page) < HUGETLB_CGROUP_MIN_ORDER) return NULL; - return (struct hugetlb_cgroup *)page[2].lru.next; + return (struct hugetlb_cgroup *)page[2].private; } static inline @@ -42,7 +42,7 @@ int set_hugetlb_cgroup(struct page *page, struct hugetlb_cgroup *h_cg) if (compound_order(page) < HUGETLB_CGROUP_MIN_ORDER) return -1; - page[2].lru.next = (void *)h_cg; + page[2].private = (unsigned long)h_cg; return 0; } diff --git a/include/linux/i2c-ocores.h b/include/linux/i2c-ocores.h index 1c06b5c7c308..01edd96fe1f7 100644 --- a/include/linux/i2c-ocores.h +++ b/include/linux/i2c-ocores.h @@ -15,6 +15,7 @@ struct ocores_i2c_platform_data { u32 reg_shift; /* register offset shift value */ u32 reg_io_width; /* register io read/write width */ u32 clock_khz; /* input clock in kHz */ + bool big_endian; /* registers are big endian */ u8 num_devices; /* number of devices in the devices list */ struct i2c_board_info const *devices; /* devices connected to the bus */ }; diff --git a/include/linux/i2c/i2c-rcar.h b/include/linux/i2c/i2c-rcar.h deleted file mode 100644 index 496f5c2b23c9..000000000000 --- a/include/linux/i2c/i2c-rcar.h +++ /dev/null @@ -1,10 +0,0 @@ -#ifndef __I2C_R_CAR_H__ -#define __I2C_R_CAR_H__ - -#include <linux/platform_device.h> - -struct i2c_rcar_platform_data { - u32 bus_speed; -}; - -#endif /* __I2C_R_CAR_H__ */ diff --git a/include/linux/irqchip/mips-gic.h b/include/linux/irqchip/mips-gic.h index 4e6861605050..ce824db48d64 100644 --- a/include/linux/irqchip/mips-gic.h +++ b/include/linux/irqchip/mips-gic.h @@ -9,6 +9,7 @@ #define __LINUX_IRQCHIP_MIPS_GIC_H #include <linux/clocksource.h> +#include <linux/ioport.h> #define GIC_MAX_INTRS 256 @@ -245,6 +246,8 @@ #define GIC_SHARED_TO_HWIRQ(x) (GIC_SHARED_HWIRQ_BASE + (x)) #define GIC_HWIRQ_TO_SHARED(x) ((x) - GIC_SHARED_HWIRQ_BASE) +#ifdef CONFIG_MIPS_GIC + extern unsigned int gic_present; extern void gic_init(unsigned long gic_base_addr, @@ -264,4 +267,18 @@ extern unsigned int plat_ipi_resched_int_xlate(unsigned int); extern int gic_get_c0_compare_int(void); extern int gic_get_c0_perfcount_int(void); extern int gic_get_c0_fdc_int(void); +extern int gic_get_usm_range(struct resource *gic_usm_res); + +#else /* CONFIG_MIPS_GIC */ + +#define gic_present 0 + +static inline int gic_get_usm_range(struct resource *gic_usm_res) +{ + /* Shouldn't be called. */ + return -1; +} + +#endif /* CONFIG_MIPS_GIC */ + #endif /* __LINUX_IRQCHIP_MIPS_GIC_H */ diff --git a/include/linux/kdev_t.h b/include/linux/kdev_t.h index c838abe3ee0a..052c7b32cc91 100644 --- a/include/linux/kdev_t.h +++ b/include/linux/kdev_t.h @@ -20,7 +20,7 @@ }) /* acceptable for old filesystems */ -static inline int old_valid_dev(dev_t dev) +static inline bool old_valid_dev(dev_t dev) { return MAJOR(dev) < 256 && MINOR(dev) < 256; } @@ -35,7 +35,7 @@ static inline dev_t old_decode_dev(u16 val) return MKDEV((val >> 8) & 255, val & 255); } -static inline int new_valid_dev(dev_t dev) +static inline bool new_valid_dev(dev_t dev) { return 1; } @@ -54,11 +54,6 @@ static inline dev_t new_decode_dev(u32 dev) return MKDEV(major, minor); } -static inline int huge_valid_dev(dev_t dev) -{ - return 1; -} - static inline u64 huge_encode_dev(dev_t dev) { return new_encode_dev(dev); diff --git a/include/linux/kernel.h b/include/linux/kernel.h index 5582410727cb..350dfb08aee3 100644 --- a/include/linux/kernel.h +++ b/include/linux/kernel.h @@ -200,28 +200,28 @@ extern int _cond_resched(void); #define might_sleep_if(cond) do { if (cond) might_sleep(); } while (0) -/* - * abs() handles unsigned and signed longs, ints, shorts and chars. For all - * input types abs() returns a signed long. - * abs() should not be used for 64-bit types (s64, u64, long long) - use abs64() - * for those. +/** + * abs - return absolute value of an argument + * @x: the value. If it is unsigned type, it is converted to signed type first + * (s64, long or int depending on its size). + * + * Return: an absolute value of x. If x is 64-bit, macro's return type is s64, + * otherwise it is signed long. */ -#define abs(x) ({ \ - long ret; \ - if (sizeof(x) == sizeof(long)) { \ - long __x = (x); \ - ret = (__x < 0) ? -__x : __x; \ - } else { \ - int __x = (x); \ - ret = (__x < 0) ? -__x : __x; \ - } \ - ret; \ - }) - -#define abs64(x) ({ \ - s64 __x = (x); \ - (__x < 0) ? -__x : __x; \ - }) +#define abs(x) __builtin_choose_expr(sizeof(x) == sizeof(s64), ({ \ + s64 __x = (x); \ + (__x < 0) ? -__x : __x; \ + }), ({ \ + long ret; \ + if (sizeof(x) == sizeof(long)) { \ + long __x = (x); \ + ret = (__x < 0) ? -__x : __x; \ + } else { \ + int __x = (x); \ + ret = (__x < 0) ? -__x : __x; \ + } \ + ret; \ + })) /** * reciprocal_scale - "scale" a value into range [0, ep_ro) @@ -413,6 +413,8 @@ extern __printf(2, 3) char *kasprintf(gfp_t gfp, const char *fmt, ...); extern __printf(2, 0) char *kvasprintf(gfp_t gfp, const char *fmt, va_list args); +extern __printf(2, 0) +const char *kvasprintf_const(gfp_t gfp, const char *fmt, va_list args); extern __scanf(2, 3) int sscanf(const char *, const char *, ...); diff --git a/include/linux/kref.h b/include/linux/kref.h index 484604d184be..e15828fd71f1 100644 --- a/include/linux/kref.h +++ b/include/linux/kref.h @@ -19,7 +19,6 @@ #include <linux/atomic.h> #include <linux/kernel.h> #include <linux/mutex.h> -#include <linux/spinlock.h> struct kref { atomic_t refcount; @@ -99,38 +98,6 @@ static inline int kref_put(struct kref *kref, void (*release)(struct kref *kref) return kref_sub(kref, 1, release); } -/** - * kref_put_spinlock_irqsave - decrement refcount for object. - * @kref: object. - * @release: pointer to the function that will clean up the object when the - * last reference to the object is released. - * This pointer is required, and it is not acceptable to pass kfree - * in as this function. - * @lock: lock to take in release case - * - * Behaves identical to kref_put with one exception. If the reference count - * drops to zero, the lock will be taken atomically wrt dropping the reference - * count. The release function has to call spin_unlock() without _irqrestore. - */ -static inline int kref_put_spinlock_irqsave(struct kref *kref, - void (*release)(struct kref *kref), - spinlock_t *lock) -{ - unsigned long flags; - - WARN_ON(release == NULL); - if (atomic_add_unless(&kref->refcount, -1, 1)) - return 0; - spin_lock_irqsave(lock, flags); - if (atomic_dec_and_test(&kref->refcount)) { - release(kref); - local_irq_restore(flags); - return 1; - } - spin_unlock_irqrestore(lock, flags); - return 0; -} - static inline int kref_put_mutex(struct kref *kref, void (*release)(struct kref *kref), struct mutex *lock) diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h index 242a6d2b53ff..c923350ca20a 100644 --- a/include/linux/kvm_host.h +++ b/include/linux/kvm_host.h @@ -460,6 +460,17 @@ static inline struct kvm_vcpu *kvm_get_vcpu(struct kvm *kvm, int i) (vcpup = kvm_get_vcpu(kvm, idx)) != NULL; \ idx++) +static inline struct kvm_vcpu *kvm_get_vcpu_by_id(struct kvm *kvm, int id) +{ + struct kvm_vcpu *vcpu; + int i; + + kvm_for_each_vcpu(i, vcpu, kvm) + if (vcpu->vcpu_id == id) + return vcpu; + return NULL; +} + #define kvm_for_each_memslot(memslot, slots) \ for (memslot = &slots->memslots[0]; \ memslot < slots->memslots + KVM_MEM_SLOTS_NUM && memslot->npages;\ @@ -1183,4 +1194,5 @@ void kvm_arch_irq_bypass_start(struct irq_bypass_consumer *); int kvm_arch_update_irqfd_routing(struct kvm *kvm, unsigned int host_irq, uint32_t guest_irq, bool set); #endif /* CONFIG_HAVE_KVM_IRQ_BYPASS */ + #endif diff --git a/include/linux/lightnvm.h b/include/linux/lightnvm.h index 5ebd70d12f35..3db5552b17d5 100644 --- a/include/linux/lightnvm.h +++ b/include/linux/lightnvm.h @@ -58,7 +58,6 @@ enum { struct nvm_id_group { u8 mtype; u8 fmtype; - u16 res16; u8 num_ch; u8 num_lun; u8 num_pln; @@ -74,9 +73,9 @@ struct nvm_id_group { u32 tbet; u32 tbem; u32 mpos; + u32 mccap; u16 cpar; - u8 res[913]; -} __packed; +}; struct nvm_addr_format { u8 ch_offset; @@ -91,19 +90,15 @@ struct nvm_addr_format { u8 pg_len; u8 sect_offset; u8 sect_len; - u8 res[4]; }; struct nvm_id { u8 ver_id; u8 vmnt; u8 cgrps; - u8 res[5]; u32 cap; u32 dom; struct nvm_addr_format ppaf; - u8 ppat; - u8 resv[224]; struct nvm_id_group groups[4]; } __packed; @@ -123,39 +118,28 @@ struct nvm_tgt_instance { #define NVM_VERSION_MINOR 0 #define NVM_VERSION_PATCH 0 -#define NVM_SEC_BITS (8) -#define NVM_PL_BITS (6) -#define NVM_PG_BITS (16) #define NVM_BLK_BITS (16) -#define NVM_LUN_BITS (10) +#define NVM_PG_BITS (16) +#define NVM_SEC_BITS (8) +#define NVM_PL_BITS (8) +#define NVM_LUN_BITS (8) #define NVM_CH_BITS (8) struct ppa_addr { + /* Generic structure for all addresses */ union { - /* Channel-based PPA format in nand 4x2x2x2x8x10 */ - struct { - u64 ch : 4; - u64 sec : 2; /* 4 sectors per page */ - u64 pl : 2; /* 4 planes per LUN */ - u64 lun : 2; /* 4 LUNs per channel */ - u64 pg : 8; /* 256 pages per block */ - u64 blk : 10;/* 1024 blocks per plane */ - u64 resved : 36; - } chnl; - - /* Generic structure for all addresses */ struct { + u64 blk : NVM_BLK_BITS; + u64 pg : NVM_PG_BITS; u64 sec : NVM_SEC_BITS; u64 pl : NVM_PL_BITS; - u64 pg : NVM_PG_BITS; - u64 blk : NVM_BLK_BITS; u64 lun : NVM_LUN_BITS; u64 ch : NVM_CH_BITS; } g; u64 ppa; }; -} __packed; +}; struct nvm_rq { struct nvm_tgt_instance *ins; @@ -191,11 +175,11 @@ static inline void *nvm_rq_to_pdu(struct nvm_rq *rqdata) struct nvm_block; typedef int (nvm_l2p_update_fn)(u64, u32, __le64 *, void *); -typedef int (nvm_bb_update_fn)(u32, void *, unsigned int, void *); +typedef int (nvm_bb_update_fn)(struct ppa_addr, int, u8 *, void *); typedef int (nvm_id_fn)(struct request_queue *, struct nvm_id *); typedef int (nvm_get_l2p_tbl_fn)(struct request_queue *, u64, u32, nvm_l2p_update_fn *, void *); -typedef int (nvm_op_bb_tbl_fn)(struct request_queue *, int, unsigned int, +typedef int (nvm_op_bb_tbl_fn)(struct request_queue *, struct ppa_addr, int, nvm_bb_update_fn *, void *); typedef int (nvm_op_set_bb_fn)(struct request_queue *, struct nvm_rq *, int); typedef int (nvm_submit_io_fn)(struct request_queue *, struct nvm_rq *); @@ -210,7 +194,7 @@ struct nvm_dev_ops { nvm_id_fn *identity; nvm_get_l2p_tbl_fn *get_l2p_tbl; nvm_op_bb_tbl_fn *get_bb_tbl; - nvm_op_set_bb_fn *set_bb; + nvm_op_set_bb_fn *set_bb_tbl; nvm_submit_io_fn *submit_io; nvm_erase_blk_fn *erase_block; @@ -220,7 +204,7 @@ struct nvm_dev_ops { nvm_dev_dma_alloc_fn *dev_dma_alloc; nvm_dev_dma_free_fn *dev_dma_free; - uint8_t max_phys_sect; + unsigned int max_phys_sect; }; struct nvm_lun { @@ -229,7 +213,9 @@ struct nvm_lun { int lun_id; int chnl_id; + unsigned int nr_inuse_blocks; /* Number of used blocks */ unsigned int nr_free_blocks; /* Number of unused blocks */ + unsigned int nr_bad_blocks; /* Number of bad blocks */ struct nvm_block *blocks; spinlock_t lock; @@ -263,8 +249,7 @@ struct nvm_dev { int blks_per_lun; int sec_size; int oob_size; - int addr_mode; - struct nvm_addr_format addr_format; + struct nvm_addr_format ppaf; /* Calculated/Cached values. These do not reflect the actual usable * blocks at run-time. @@ -290,118 +275,45 @@ struct nvm_dev { char name[DISK_NAME_LEN]; }; -/* fallback conversion */ -static struct ppa_addr __generic_to_linear_addr(struct nvm_dev *dev, - struct ppa_addr r) -{ - struct ppa_addr l; - - l.ppa = r.g.sec + - r.g.pg * dev->sec_per_pg + - r.g.blk * (dev->pgs_per_blk * - dev->sec_per_pg) + - r.g.lun * (dev->blks_per_lun * - dev->pgs_per_blk * - dev->sec_per_pg) + - r.g.ch * (dev->blks_per_lun * - dev->pgs_per_blk * - dev->luns_per_chnl * - dev->sec_per_pg); - - return l; -} - -/* fallback conversion */ -static struct ppa_addr __linear_to_generic_addr(struct nvm_dev *dev, - struct ppa_addr r) +static inline struct ppa_addr generic_to_dev_addr(struct nvm_dev *dev, + struct ppa_addr r) { struct ppa_addr l; - int secs, pgs, blks, luns; - sector_t ppa = r.ppa; - l.ppa = 0; - - div_u64_rem(ppa, dev->sec_per_pg, &secs); - l.g.sec = secs; - - sector_div(ppa, dev->sec_per_pg); - div_u64_rem(ppa, dev->sec_per_blk, &pgs); - l.g.pg = pgs; - - sector_div(ppa, dev->pgs_per_blk); - div_u64_rem(ppa, dev->blks_per_lun, &blks); - l.g.blk = blks; - - sector_div(ppa, dev->blks_per_lun); - div_u64_rem(ppa, dev->luns_per_chnl, &luns); - l.g.lun = luns; - - sector_div(ppa, dev->luns_per_chnl); - l.g.ch = ppa; + l.ppa = ((u64)r.g.blk) << dev->ppaf.blk_offset; + l.ppa |= ((u64)r.g.pg) << dev->ppaf.pg_offset; + l.ppa |= ((u64)r.g.sec) << dev->ppaf.sect_offset; + l.ppa |= ((u64)r.g.pl) << dev->ppaf.pln_offset; + l.ppa |= ((u64)r.g.lun) << dev->ppaf.lun_offset; + l.ppa |= ((u64)r.g.ch) << dev->ppaf.ch_offset; return l; } -static struct ppa_addr __generic_to_chnl_addr(struct ppa_addr r) +static inline struct ppa_addr dev_to_generic_addr(struct nvm_dev *dev, + struct ppa_addr r) { struct ppa_addr l; - l.ppa = 0; - - l.chnl.sec = r.g.sec; - l.chnl.pl = r.g.pl; - l.chnl.pg = r.g.pg; - l.chnl.blk = r.g.blk; - l.chnl.lun = r.g.lun; - l.chnl.ch = r.g.ch; - - return l; -} - -static struct ppa_addr __chnl_to_generic_addr(struct ppa_addr r) -{ - struct ppa_addr l; - - l.ppa = 0; - - l.g.sec = r.chnl.sec; - l.g.pl = r.chnl.pl; - l.g.pg = r.chnl.pg; - l.g.blk = r.chnl.blk; - l.g.lun = r.chnl.lun; - l.g.ch = r.chnl.ch; + /* + * (r.ppa << X offset) & X len bitmask. X eq. blk, pg, etc. + */ + l.g.blk = (r.ppa >> dev->ppaf.blk_offset) & + (((1 << dev->ppaf.blk_len) - 1)); + l.g.pg |= (r.ppa >> dev->ppaf.pg_offset) & + (((1 << dev->ppaf.pg_len) - 1)); + l.g.sec |= (r.ppa >> dev->ppaf.sect_offset) & + (((1 << dev->ppaf.sect_len) - 1)); + l.g.pl |= (r.ppa >> dev->ppaf.pln_offset) & + (((1 << dev->ppaf.pln_len) - 1)); + l.g.lun |= (r.ppa >> dev->ppaf.lun_offset) & + (((1 << dev->ppaf.lun_len) - 1)); + l.g.ch |= (r.ppa >> dev->ppaf.ch_offset) & + (((1 << dev->ppaf.ch_len) - 1)); return l; } -static inline struct ppa_addr addr_to_generic_mode(struct nvm_dev *dev, - struct ppa_addr gppa) -{ - switch (dev->addr_mode) { - case NVM_ADDRMODE_LINEAR: - return __linear_to_generic_addr(dev, gppa); - case NVM_ADDRMODE_CHANNEL: - return __chnl_to_generic_addr(gppa); - default: - BUG(); - } - return gppa; -} - -static inline struct ppa_addr generic_to_addr_mode(struct nvm_dev *dev, - struct ppa_addr gppa) -{ - switch (dev->addr_mode) { - case NVM_ADDRMODE_LINEAR: - return __generic_to_linear_addr(dev, gppa); - case NVM_ADDRMODE_CHANNEL: - return __generic_to_chnl_addr(gppa); - default: - BUG(); - } - return gppa; -} - static inline int ppa_empty(struct ppa_addr ppa_addr) { return (ppa_addr.ppa == ADDR_EMPTY); @@ -426,7 +338,7 @@ static inline struct ppa_addr block_to_ppa(struct nvm_dev *dev, return ppa; } -typedef void (nvm_tgt_make_rq_fn)(struct request_queue *, struct bio *); +typedef blk_qc_t (nvm_tgt_make_rq_fn)(struct request_queue *, struct bio *); typedef sector_t (nvm_tgt_capacity_fn)(void *); typedef int (nvm_tgt_end_io_fn)(struct nvm_rq *, int); typedef void *(nvm_tgt_init_fn)(struct nvm_dev *, struct gendisk *, int, int); @@ -468,7 +380,7 @@ typedef int (nvmm_end_io_fn)(struct nvm_rq *, int); typedef int (nvmm_erase_blk_fn)(struct nvm_dev *, struct nvm_block *, unsigned long); typedef struct nvm_lun *(nvmm_get_lun_fn)(struct nvm_dev *, int); -typedef void (nvmm_free_blocks_print_fn)(struct nvm_dev *); +typedef void (nvmm_lun_info_print_fn)(struct nvm_dev *); struct nvmm_type { const char *name; @@ -492,7 +404,7 @@ struct nvmm_type { nvmm_get_lun_fn *get_lun; /* Statistics */ - nvmm_free_blocks_print_fn *free_blocks_print; + nvmm_lun_info_print_fn *lun_info_print; struct list_head list; }; diff --git a/include/linux/lockd/lockd.h b/include/linux/lockd/lockd.h index ff82a32871b5..c15373894a42 100644 --- a/include/linux/lockd/lockd.h +++ b/include/linux/lockd/lockd.h @@ -68,6 +68,7 @@ struct nlm_host { struct nsm_handle *h_nsmhandle; /* NSM status handle */ char *h_addrbuf; /* address eyecatcher */ struct net *net; /* host net */ + char nodename[UNX_MAXNODENAME + 1]; }; /* @@ -235,7 +236,8 @@ void nlm_rebind_host(struct nlm_host *); struct nlm_host * nlm_get_host(struct nlm_host *); void nlm_shutdown_hosts(void); void nlm_shutdown_hosts_net(struct net *net); -void nlm_host_rebooted(const struct nlm_reboot *); +void nlm_host_rebooted(const struct net *net, + const struct nlm_reboot *); /* * Host monitoring @@ -243,11 +245,13 @@ void nlm_host_rebooted(const struct nlm_reboot *); int nsm_monitor(const struct nlm_host *host); void nsm_unmonitor(const struct nlm_host *host); -struct nsm_handle *nsm_get_handle(const struct sockaddr *sap, +struct nsm_handle *nsm_get_handle(const struct net *net, + const struct sockaddr *sap, const size_t salen, const char *hostname, const size_t hostname_len); -struct nsm_handle *nsm_reboot_lookup(const struct nlm_reboot *info); +struct nsm_handle *nsm_reboot_lookup(const struct net *net, + const struct nlm_reboot *info); void nsm_release(struct nsm_handle *nsm); /* diff --git a/include/linux/marvell_phy.h b/include/linux/marvell_phy.h index e6982ac3200d..a57f0dfb6db7 100644 --- a/include/linux/marvell_phy.h +++ b/include/linux/marvell_phy.h @@ -16,6 +16,7 @@ #define MARVELL_PHY_ID_88E1318S 0x01410e90 #define MARVELL_PHY_ID_88E1116R 0x01410e40 #define MARVELL_PHY_ID_88E1510 0x01410dd0 +#define MARVELL_PHY_ID_88E1540 0x01410eb0 #define MARVELL_PHY_ID_88E3016 0x01410e60 /* struct phy_device dev_flags definitions */ diff --git a/include/linux/math64.h b/include/linux/math64.h index c45c089bfdac..6e8b5b270ffe 100644 --- a/include/linux/math64.h +++ b/include/linux/math64.h @@ -142,6 +142,13 @@ static inline u64 mul_u64_u32_shr(u64 a, u32 mul, unsigned int shift) } #endif /* mul_u64_u32_shr */ +#ifndef mul_u64_u64_shr +static inline u64 mul_u64_u64_shr(u64 a, u64 mul, unsigned int shift) +{ + return (u64)(((unsigned __int128)a * mul) >> shift); +} +#endif /* mul_u64_u64_shr */ + #else #ifndef mul_u64_u32_shr @@ -161,6 +168,79 @@ static inline u64 mul_u64_u32_shr(u64 a, u32 mul, unsigned int shift) } #endif /* mul_u64_u32_shr */ +#ifndef mul_u64_u64_shr +static inline u64 mul_u64_u64_shr(u64 a, u64 b, unsigned int shift) +{ + union { + u64 ll; + struct { +#ifdef __BIG_ENDIAN + u32 high, low; +#else + u32 low, high; +#endif + } l; + } rl, rm, rn, rh, a0, b0; + u64 c; + + a0.ll = a; + b0.ll = b; + + rl.ll = (u64)a0.l.low * b0.l.low; + rm.ll = (u64)a0.l.low * b0.l.high; + rn.ll = (u64)a0.l.high * b0.l.low; + rh.ll = (u64)a0.l.high * b0.l.high; + + /* + * Each of these lines computes a 64-bit intermediate result into "c", + * starting at bits 32-95. The low 32-bits go into the result of the + * multiplication, the high 32-bits are carried into the next step. + */ + rl.l.high = c = (u64)rl.l.high + rm.l.low + rn.l.low; + rh.l.low = c = (c >> 32) + rm.l.high + rn.l.high + rh.l.low; + rh.l.high = (c >> 32) + rh.l.high; + + /* + * The 128-bit result of the multiplication is in rl.ll and rh.ll, + * shift it right and throw away the high part of the result. + */ + if (shift == 0) + return rl.ll; + if (shift < 64) + return (rl.ll >> shift) | (rh.ll << (64 - shift)); + return rh.ll >> (shift & 63); +} +#endif /* mul_u64_u64_shr */ + #endif +#ifndef mul_u64_u32_div +static inline u64 mul_u64_u32_div(u64 a, u32 mul, u32 divisor) +{ + union { + u64 ll; + struct { +#ifdef __BIG_ENDIAN + u32 high, low; +#else + u32 low, high; +#endif + } l; + } u, rl, rh; + + u.ll = a; + rl.ll = (u64)u.l.low * mul; + rh.ll = (u64)u.l.high * mul + rl.l.high; + + /* Bits 32-63 of the result will be in rh.l.low. */ + rl.l.high = do_div(rh.ll, divisor); + + /* Bits 0-31 of the result will be in rl.l.low. */ + do_div(rl.ll, divisor); + + rl.l.high = rh.l.low; + return rl.ll; +} +#endif /* mul_u64_u32_div */ + #endif /* _LINUX_MATH64_H */ diff --git a/include/linux/mfd/cros_ec.h b/include/linux/mfd/cros_ec.h index da72671a42fa..494682ce4bf3 100644 --- a/include/linux/mfd/cros_ec.h +++ b/include/linux/mfd/cros_ec.h @@ -255,5 +255,6 @@ int cros_ec_query_all(struct cros_ec_device *ec_dev); /* sysfs stuff */ extern struct attribute_group cros_ec_attr_group; extern struct attribute_group cros_ec_lightbar_attr_group; +extern struct attribute_group cros_ec_vbc_attr_group; #endif /* __LINUX_MFD_CROS_EC_H */ diff --git a/include/linux/mfd/syscon/imx7-iomuxc-gpr.h b/include/linux/mfd/syscon/imx7-iomuxc-gpr.h new file mode 100644 index 000000000000..4585d6105d68 --- /dev/null +++ b/include/linux/mfd/syscon/imx7-iomuxc-gpr.h @@ -0,0 +1,47 @@ +/* + * Copyright (C) 2015 Freescale Semiconductor, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#ifndef __LINUX_IMX7_IOMUXC_GPR_H +#define __LINUX_IMX7_IOMUXC_GPR_H + +#define IOMUXC_GPR0 0x00 +#define IOMUXC_GPR1 0x04 +#define IOMUXC_GPR2 0x08 +#define IOMUXC_GPR3 0x0c +#define IOMUXC_GPR4 0x10 +#define IOMUXC_GPR5 0x14 +#define IOMUXC_GPR6 0x18 +#define IOMUXC_GPR7 0x1c +#define IOMUXC_GPR8 0x20 +#define IOMUXC_GPR9 0x24 +#define IOMUXC_GPR10 0x28 +#define IOMUXC_GPR11 0x2c +#define IOMUXC_GPR12 0x30 +#define IOMUXC_GPR13 0x34 +#define IOMUXC_GPR14 0x38 +#define IOMUXC_GPR15 0x3c +#define IOMUXC_GPR16 0x40 +#define IOMUXC_GPR17 0x44 +#define IOMUXC_GPR18 0x48 +#define IOMUXC_GPR19 0x4c +#define IOMUXC_GPR20 0x50 +#define IOMUXC_GPR21 0x54 +#define IOMUXC_GPR22 0x58 + +/* For imx7d iomux gpr register field define */ +#define IMX7D_GPR1_IRQ_MASK (0x1 << 12) +#define IMX7D_GPR1_ENET1_TX_CLK_SEL_MASK (0x1 << 13) +#define IMX7D_GPR1_ENET2_TX_CLK_SEL_MASK (0x1 << 14) +#define IMX7D_GPR1_ENET_TX_CLK_SEL_MASK (0x3 << 13) +#define IMX7D_GPR1_ENET1_CLK_DIR_MASK (0x1 << 17) +#define IMX7D_GPR1_ENET2_CLK_DIR_MASK (0x1 << 18) +#define IMX7D_GPR1_ENET_CLK_DIR_MASK (0x3 << 17) + +#define IMX7D_GPR5_CSI_MUX_CONTROL_MIPI (0x1 << 4) + +#endif /* __LINUX_IMX7_IOMUXC_GPR_H */ diff --git a/include/linux/mlx4/device.h b/include/linux/mlx4/device.h index 5a8677bafe04..7501626ab529 100644 --- a/include/linux/mlx4/device.h +++ b/include/linux/mlx4/device.h @@ -214,6 +214,8 @@ enum { MLX4_DEV_CAP_FLAG2_IGNORE_FCS = 1LL << 28, MLX4_DEV_CAP_FLAG2_PHV_EN = 1LL << 29, MLX4_DEV_CAP_FLAG2_SKIP_OUTER_VLAN = 1LL << 30, + MLX4_DEV_CAP_FLAG2_UPDATE_QP_SRC_CHECK_LB = 1ULL << 31, + MLX4_DEV_CAP_FLAG2_LB_SRC_CHK = 1ULL << 32, }; enum { diff --git a/include/linux/mlx4/qp.h b/include/linux/mlx4/qp.h index de45a51b3f04..fe052e234906 100644 --- a/include/linux/mlx4/qp.h +++ b/include/linux/mlx4/qp.h @@ -135,7 +135,10 @@ struct mlx4_rss_context { struct mlx4_qp_path { u8 fl; - u8 vlan_control; + union { + u8 vlan_control; + u8 control; + }; u8 disable_pkey_check; u8 pkey_index; u8 counter_index; @@ -156,9 +159,16 @@ struct mlx4_qp_path { }; enum { /* fl */ - MLX4_FL_CV = 1 << 6, - MLX4_FL_ETH_HIDE_CQE_VLAN = 1 << 2 + MLX4_FL_CV = 1 << 6, + MLX4_FL_ETH_HIDE_CQE_VLAN = 1 << 2, + MLX4_FL_ETH_SRC_CHECK_MC_LB = 1 << 1, + MLX4_FL_ETH_SRC_CHECK_UC_LB = 1 << 0, }; + +enum { /* control */ + MLX4_CTRL_ETH_SRC_CHECK_IF_COUNTER = 1 << 7, +}; + enum { /* vlan_control */ MLX4_VLAN_CTRL_ETH_TX_BLOCK_TAGGED = 1 << 6, MLX4_VLAN_CTRL_ETH_TX_BLOCK_PRIO_TAGGED = 1 << 5, /* 802.1p priority tag */ @@ -254,6 +264,8 @@ enum { MLX4_UPD_QP_PATH_MASK_SCHED_QUEUE = 14 + 32, MLX4_UPD_QP_PATH_MASK_IF_COUNTER_INDEX = 15 + 32, MLX4_UPD_QP_PATH_MASK_FVL_RX = 16 + 32, + MLX4_UPD_QP_PATH_MASK_ETH_SRC_CHECK_UC_LB = 18 + 32, + MLX4_UPD_QP_PATH_MASK_ETH_SRC_CHECK_MC_LB = 19 + 32, }; enum { /* param3 */ @@ -436,11 +448,13 @@ enum mlx4_update_qp_attr { MLX4_UPDATE_QP_VSD = 1 << 1, MLX4_UPDATE_QP_RATE_LIMIT = 1 << 2, MLX4_UPDATE_QP_QOS_VPORT = 1 << 3, - MLX4_UPDATE_QP_SUPPORTED_ATTRS = (1 << 4) - 1 + MLX4_UPDATE_QP_ETH_SRC_CHECK_MC_LB = 1 << 4, + MLX4_UPDATE_QP_SUPPORTED_ATTRS = (1 << 5) - 1 }; enum mlx4_update_qp_params_flags { - MLX4_UPDATE_QP_PARAMS_FLAGS_VSD_ENABLE = 1 << 0, + MLX4_UPDATE_QP_PARAMS_FLAGS_ETH_CHECK_MC_LB = 1 << 0, + MLX4_UPDATE_QP_PARAMS_FLAGS_VSD_ENABLE = 1 << 1, }; struct mlx4_update_qp_params { diff --git a/include/linux/mlx5/mlx5_ifc.h b/include/linux/mlx5/mlx5_ifc.h index dd2097455a2e..1565324eb620 100644 --- a/include/linux/mlx5/mlx5_ifc.h +++ b/include/linux/mlx5/mlx5_ifc.h @@ -453,26 +453,28 @@ struct mlx5_ifc_per_protocol_networking_offload_caps_bits { u8 lro_cap[0x1]; u8 lro_psh_flag[0x1]; u8 lro_time_stamp[0x1]; - u8 reserved_0[0x6]; + u8 reserved_0[0x3]; + u8 self_lb_en_modifiable[0x1]; + u8 reserved_1[0x2]; u8 max_lso_cap[0x5]; - u8 reserved_1[0x4]; + u8 reserved_2[0x4]; u8 rss_ind_tbl_cap[0x4]; - u8 reserved_2[0x3]; + u8 reserved_3[0x3]; u8 tunnel_lso_const_out_ip_id[0x1]; - u8 reserved_3[0x2]; + u8 reserved_4[0x2]; u8 tunnel_statless_gre[0x1]; u8 tunnel_stateless_vxlan[0x1]; - u8 reserved_4[0x20]; + u8 reserved_5[0x20]; - u8 reserved_5[0x10]; + u8 reserved_6[0x10]; u8 lro_min_mss_size[0x10]; - u8 reserved_6[0x120]; + u8 reserved_7[0x120]; u8 lro_timer_supported_periods[4][0x20]; - u8 reserved_7[0x600]; + u8 reserved_8[0x600]; }; struct mlx5_ifc_roce_cap_bits { @@ -4051,9 +4053,11 @@ struct mlx5_ifc_modify_tis_in_bits { }; struct mlx5_ifc_modify_tir_bitmask_bits { - u8 reserved[0x20]; + u8 reserved_0[0x20]; - u8 reserved1[0x1f]; + u8 reserved_1[0x1b]; + u8 self_lb_en[0x1]; + u8 reserved_2[0x3]; u8 lro[0x1]; }; diff --git a/include/linux/mm.h b/include/linux/mm.h index 906c46a05707..00bad7793788 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -430,46 +430,6 @@ static inline void compound_unlock_irqrestore(struct page *page, #endif } -static inline struct page *compound_head_by_tail(struct page *tail) -{ - struct page *head = tail->first_page; - - /* - * page->first_page may be a dangling pointer to an old - * compound page, so recheck that it is still a tail - * page before returning. - */ - smp_rmb(); - if (likely(PageTail(tail))) - return head; - return tail; -} - -/* - * Since either compound page could be dismantled asynchronously in THP - * or we access asynchronously arbitrary positioned struct page, there - * would be tail flag race. To handle this race, we should call - * smp_rmb() before checking tail flag. compound_head_by_tail() did it. - */ -static inline struct page *compound_head(struct page *page) -{ - if (unlikely(PageTail(page))) - return compound_head_by_tail(page); - return page; -} - -/* - * If we access compound page synchronously such as access to - * allocated page, there is no need to handle tail flag race, so we can - * check tail flag directly without any synchronization primitive. - */ -static inline struct page *compound_head_fast(struct page *page) -{ - if (unlikely(PageTail(page))) - return page->first_page; - return page; -} - /* * The atomic page->_mapcount, starts from -1: so that transitions * both from it and to it can be tracked, using atomic_inc_and_test @@ -518,7 +478,7 @@ static inline void get_huge_page_tail(struct page *page) VM_BUG_ON_PAGE(!PageTail(page), page); VM_BUG_ON_PAGE(page_mapcount(page) < 0, page); VM_BUG_ON_PAGE(atomic_read(&page->_count) != 0, page); - if (compound_tail_refcounted(page->first_page)) + if (compound_tail_refcounted(compound_head(page))) atomic_inc(&page->_mapcount); } @@ -541,13 +501,7 @@ static inline struct page *virt_to_head_page(const void *x) { struct page *page = virt_to_page(x); - /* - * We don't need to worry about synchronization of tail flag - * when we call virt_to_head_page() since it is only called for - * already allocated page and this page won't be freed until - * this virt_to_head_page() is finished. So use _fast variant. - */ - return compound_head_fast(page); + return compound_head(page); } /* @@ -568,28 +522,42 @@ int split_free_page(struct page *page); /* * Compound pages have a destructor function. Provide a * prototype for that function and accessor functions. - * These are _only_ valid on the head of a PG_compound page. + * These are _only_ valid on the head of a compound page. */ +typedef void compound_page_dtor(struct page *); + +/* Keep the enum in sync with compound_page_dtors array in mm/page_alloc.c */ +enum compound_dtor_id { + NULL_COMPOUND_DTOR, + COMPOUND_PAGE_DTOR, +#ifdef CONFIG_HUGETLB_PAGE + HUGETLB_PAGE_DTOR, +#endif + NR_COMPOUND_DTORS, +}; +extern compound_page_dtor * const compound_page_dtors[]; static inline void set_compound_page_dtor(struct page *page, - compound_page_dtor *dtor) + enum compound_dtor_id compound_dtor) { - page[1].compound_dtor = dtor; + VM_BUG_ON_PAGE(compound_dtor >= NR_COMPOUND_DTORS, page); + page[1].compound_dtor = compound_dtor; } static inline compound_page_dtor *get_compound_page_dtor(struct page *page) { - return page[1].compound_dtor; + VM_BUG_ON_PAGE(page[1].compound_dtor >= NR_COMPOUND_DTORS, page); + return compound_page_dtors[page[1].compound_dtor]; } -static inline int compound_order(struct page *page) +static inline unsigned int compound_order(struct page *page) { if (!PageHead(page)) return 0; return page[1].compound_order; } -static inline void set_compound_order(struct page *page, unsigned long order) +static inline void set_compound_order(struct page *page, unsigned int order) { page[1].compound_order = order; } @@ -1572,8 +1540,7 @@ static inline bool ptlock_init(struct page *page) * with 0. Make sure nobody took it in use in between. * * It can happen if arch try to use slab for page table allocation: - * slab code uses page->slab_cache and page->first_page (for tail - * pages), which share storage with page->ptl. + * slab code uses page->slab_cache, which share storage with page->ptl. */ VM_BUG_ON_PAGE(*(unsigned long *)&page->ptl, page); if (!ptlock_alloc(page)) @@ -1843,7 +1810,8 @@ extern void si_meminfo(struct sysinfo * val); extern void si_meminfo_node(struct sysinfo *val, int nid); extern __printf(3, 4) -void warn_alloc_failed(gfp_t gfp_mask, int order, const char *fmt, ...); +void warn_alloc_failed(gfp_t gfp_mask, unsigned int order, + const char *fmt, ...); extern void setup_per_cpu_pageset(void); diff --git a/include/linux/mm_types.h b/include/linux/mm_types.h index 0a85da25a822..f8d1492a114f 100644 --- a/include/linux/mm_types.h +++ b/include/linux/mm_types.h @@ -28,8 +28,6 @@ struct mem_cgroup; IS_ENABLED(CONFIG_ARCH_ENABLE_SPLIT_PMD_PTLOCK)) #define ALLOC_SPLIT_PTLOCKS (SPINLOCK_SIZE > BITS_PER_LONG/8) -typedef void compound_page_dtor(struct page *); - /* * Each physical page in the system has a struct page associated with * it to keep track of whatever it is we are using the page for at the @@ -113,7 +111,13 @@ struct page { }; }; - /* Third double word block */ + /* + * Third double word block + * + * WARNING: bit 0 of the first word encode PageTail(). That means + * the rest users of the storage space MUST NOT use the bit to + * avoid collision and false-positive PageTail(). + */ union { struct list_head lru; /* Pageout list, eg. active_list * protected by zone->lru_lock ! @@ -131,18 +135,37 @@ struct page { #endif }; - struct slab *slab_page; /* slab fields */ struct rcu_head rcu_head; /* Used by SLAB * when destroying via RCU */ - /* First tail page of compound page */ + /* Tail pages of compound page */ struct { - compound_page_dtor *compound_dtor; - unsigned long compound_order; + unsigned long compound_head; /* If bit zero is set */ + + /* First tail page only */ +#ifdef CONFIG_64BIT + /* + * On 64 bit system we have enough space in struct page + * to encode compound_dtor and compound_order with + * unsigned int. It can help compiler generate better or + * smaller code on some archtectures. + */ + unsigned int compound_dtor; + unsigned int compound_order; +#else + unsigned short int compound_dtor; + unsigned short int compound_order; +#endif }; #if defined(CONFIG_TRANSPARENT_HUGEPAGE) && USE_SPLIT_PMD_PTLOCKS - pgtable_t pmd_huge_pte; /* protected by page->ptl */ + struct { + unsigned long __pad; /* do not overlay pmd_huge_pte + * with compound_head to avoid + * possible bit 0 collision. + */ + pgtable_t pmd_huge_pte; /* protected by page->ptl */ + }; #endif }; @@ -163,7 +186,6 @@ struct page { #endif #endif struct kmem_cache *slab_cache; /* SL[AU]B: Pointer to slab */ - struct page *first_page; /* Compound tail pages */ }; #ifdef CONFIG_MEMCG diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h index 2d7e660cdefe..e23a9e704536 100644 --- a/include/linux/mmzone.h +++ b/include/linux/mmzone.h @@ -37,10 +37,10 @@ enum { MIGRATE_UNMOVABLE, - MIGRATE_RECLAIMABLE, MIGRATE_MOVABLE, + MIGRATE_RECLAIMABLE, MIGRATE_PCPTYPES, /* the number of types on the pcp lists */ - MIGRATE_RESERVE = MIGRATE_PCPTYPES, + MIGRATE_HIGHATOMIC = MIGRATE_PCPTYPES, #ifdef CONFIG_CMA /* * MIGRATE_CMA migration type is designed to mimic the way @@ -334,13 +334,16 @@ struct zone { /* zone watermarks, access with *_wmark_pages(zone) macros */ unsigned long watermark[NR_WMARK]; + unsigned long nr_reserved_highatomic; + /* - * We don't know if the memory that we're going to allocate will be freeable - * or/and it will be released eventually, so to avoid totally wasting several - * GB of ram we must reserve some of the lower zone memory (otherwise we risk - * to run OOM on the lower zones despite there's tons of freeable ram - * on the higher zones). This array is recalculated at runtime if the - * sysctl_lowmem_reserve_ratio sysctl changes. + * We don't know if the memory that we're going to allocate will be + * freeable or/and it will be released eventually, so to avoid totally + * wasting several GB of ram we must reserve some of the lower zone + * memory (otherwise we risk to run OOM on the lower zones despite + * there being tons of freeable ram on the higher zones). This array is + * recalculated at runtime if the sysctl_lowmem_reserve_ratio sysctl + * changes. */ long lowmem_reserve[MAX_NR_ZONES]; @@ -429,12 +432,6 @@ struct zone { const char *name; - /* - * Number of MIGRATE_RESERVE page block. To maintain for just - * optimization. Protected by zone->lock. - */ - int nr_migrate_reserve_block; - #ifdef CONFIG_MEMORY_ISOLATION /* * Number of isolated pageblock. It is used to solve incorrect @@ -589,75 +586,8 @@ static inline bool zone_is_empty(struct zone *zone) * [1] : No fallback (__GFP_THISNODE) */ #define MAX_ZONELISTS 2 - - -/* - * We cache key information from each zonelist for smaller cache - * footprint when scanning for free pages in get_page_from_freelist(). - * - * 1) The BITMAP fullzones tracks which zones in a zonelist have come - * up short of free memory since the last time (last_fullzone_zap) - * we zero'd fullzones. - * 2) The array z_to_n[] maps each zone in the zonelist to its node - * id, so that we can efficiently evaluate whether that node is - * set in the current tasks mems_allowed. - * - * Both fullzones and z_to_n[] are one-to-one with the zonelist, - * indexed by a zones offset in the zonelist zones[] array. - * - * The get_page_from_freelist() routine does two scans. During the - * first scan, we skip zones whose corresponding bit in 'fullzones' - * is set or whose corresponding node in current->mems_allowed (which - * comes from cpusets) is not set. During the second scan, we bypass - * this zonelist_cache, to ensure we look methodically at each zone. - * - * Once per second, we zero out (zap) fullzones, forcing us to - * reconsider nodes that might have regained more free memory. - * The field last_full_zap is the time we last zapped fullzones. - * - * This mechanism reduces the amount of time we waste repeatedly - * reexaming zones for free memory when they just came up low on - * memory momentarilly ago. - * - * The zonelist_cache struct members logically belong in struct - * zonelist. However, the mempolicy zonelists constructed for - * MPOL_BIND are intentionally variable length (and usually much - * shorter). A general purpose mechanism for handling structs with - * multiple variable length members is more mechanism than we want - * here. We resort to some special case hackery instead. - * - * The MPOL_BIND zonelists don't need this zonelist_cache (in good - * part because they are shorter), so we put the fixed length stuff - * at the front of the zonelist struct, ending in a variable length - * zones[], as is needed by MPOL_BIND. - * - * Then we put the optional zonelist cache on the end of the zonelist - * struct. This optional stuff is found by a 'zlcache_ptr' pointer in - * the fixed length portion at the front of the struct. This pointer - * both enables us to find the zonelist cache, and in the case of - * MPOL_BIND zonelists, (which will just set the zlcache_ptr to NULL) - * to know that the zonelist cache is not there. - * - * The end result is that struct zonelists come in two flavors: - * 1) The full, fixed length version, shown below, and - * 2) The custom zonelists for MPOL_BIND. - * The custom MPOL_BIND zonelists have a NULL zlcache_ptr and no zlcache. - * - * Even though there may be multiple CPU cores on a node modifying - * fullzones or last_full_zap in the same zonelist_cache at the same - * time, we don't lock it. This is just hint data - if it is wrong now - * and then, the allocator will still function, perhaps a bit slower. - */ - - -struct zonelist_cache { - unsigned short z_to_n[MAX_ZONES_PER_ZONELIST]; /* zone->nid */ - DECLARE_BITMAP(fullzones, MAX_ZONES_PER_ZONELIST); /* zone full? */ - unsigned long last_full_zap; /* when last zap'd (jiffies) */ -}; #else #define MAX_ZONELISTS 1 -struct zonelist_cache; #endif /* @@ -675,9 +605,6 @@ struct zoneref { * allocation, the other zones are fallback zones, in decreasing * priority. * - * If zlcache_ptr is not NULL, then it is just the address of zlcache, - * as explained above. If zlcache_ptr is NULL, there is no zlcache. - * * * To speed the reading of the zonelist, the zonerefs contain the zone index * of the entry being read. Helper functions to access information given * a struct zoneref are @@ -687,11 +614,7 @@ struct zoneref { * zonelist_node_idx() - Return the index of the node for an entry */ struct zonelist { - struct zonelist_cache *zlcache_ptr; // NULL or &zlcache struct zoneref _zonerefs[MAX_ZONES_PER_ZONELIST + 1]; -#ifdef CONFIG_NUMA - struct zonelist_cache zlcache; // optional ... -#endif }; #ifndef CONFIG_DISCONTIGMEM @@ -817,7 +740,7 @@ void wakeup_kswapd(struct zone *zone, int order, enum zone_type classzone_idx); bool zone_watermark_ok(struct zone *z, unsigned int order, unsigned long mark, int classzone_idx, int alloc_flags); bool zone_watermark_ok_safe(struct zone *z, unsigned int order, - unsigned long mark, int classzone_idx, int alloc_flags); + unsigned long mark, int classzone_idx); enum memmap_context { MEMMAP_EARLY, MEMMAP_HOTPLUG, diff --git a/include/linux/moduleparam.h b/include/linux/moduleparam.h index c12f2147c350..52666d90ca94 100644 --- a/include/linux/moduleparam.h +++ b/include/linux/moduleparam.h @@ -386,6 +386,7 @@ extern int param_get_ullong(char *buffer, const struct kernel_param *kp); extern const struct kernel_param_ops param_ops_charp; extern int param_set_charp(const char *val, const struct kernel_param *kp); extern int param_get_charp(char *buffer, const struct kernel_param *kp); +extern void param_free_charp(void *arg); #define param_check_charp(name, p) __param_check(name, p, char *) /* We used to allow int as well as bool. We're taking that away! */ diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h index a9e3bf42d287..67bfac1abfc1 100644 --- a/include/linux/netdevice.h +++ b/include/linux/netdevice.h @@ -1322,6 +1322,7 @@ enum netdev_priv_flags { #define IFF_L3MDEV_MASTER IFF_L3MDEV_MASTER #define IFF_NO_QUEUE IFF_NO_QUEUE #define IFF_OPENVSWITCH IFF_OPENVSWITCH +#define IFF_L3MDEV_SLAVE IFF_L3MDEV_SLAVE /** * struct net_device - The DEVICE structure. @@ -2067,20 +2068,23 @@ struct pcpu_sw_netstats { struct u64_stats_sync syncp; }; -#define netdev_alloc_pcpu_stats(type) \ -({ \ - typeof(type) __percpu *pcpu_stats = alloc_percpu(type); \ - if (pcpu_stats) { \ - int __cpu; \ - for_each_possible_cpu(__cpu) { \ - typeof(type) *stat; \ - stat = per_cpu_ptr(pcpu_stats, __cpu); \ - u64_stats_init(&stat->syncp); \ - } \ - } \ - pcpu_stats; \ +#define __netdev_alloc_pcpu_stats(type, gfp) \ +({ \ + typeof(type) __percpu *pcpu_stats = alloc_percpu_gfp(type, gfp);\ + if (pcpu_stats) { \ + int __cpu; \ + for_each_possible_cpu(__cpu) { \ + typeof(type) *stat; \ + stat = per_cpu_ptr(pcpu_stats, __cpu); \ + u64_stats_init(&stat->syncp); \ + } \ + } \ + pcpu_stats; \ }) +#define netdev_alloc_pcpu_stats(type) \ + __netdev_alloc_pcpu_stats(type, GFP_KERNEL); + #include <linux/notifier.h> /* netdevice notifier chain. Please remember to update the rtnetlink @@ -3853,6 +3857,11 @@ static inline bool netif_is_bridge_master(const struct net_device *dev) return dev->priv_flags & IFF_EBRIDGE; } +static inline bool netif_is_bridge_port(const struct net_device *dev) +{ + return dev->priv_flags & IFF_BRIDGE_PORT; +} + static inline bool netif_is_ovs_master(const struct net_device *dev) { return dev->priv_flags & IFF_OPENVSWITCH; diff --git a/include/linux/netfilter/ipset/ip_set.h b/include/linux/netfilter/ipset/ip_set.h index 48bb01edcf30..0e1f433cc4b7 100644 --- a/include/linux/netfilter/ipset/ip_set.h +++ b/include/linux/netfilter/ipset/ip_set.h @@ -421,7 +421,7 @@ extern void ip_set_free(void *members); extern int ip_set_get_ipaddr4(struct nlattr *nla, __be32 *ipaddr); extern int ip_set_get_ipaddr6(struct nlattr *nla, union nf_inet_addr *ipaddr); extern size_t ip_set_elem_len(struct ip_set *set, struct nlattr *tb[], - size_t len); + size_t len, size_t align); extern int ip_set_get_extensions(struct ip_set *set, struct nlattr *tb[], struct ip_set_ext *ext); diff --git a/include/linux/netfilter_ingress.h b/include/linux/netfilter_ingress.h index 187feabe557c..5fcd375ef175 100644 --- a/include/linux/netfilter_ingress.h +++ b/include/linux/netfilter_ingress.h @@ -5,10 +5,13 @@ #include <linux/netdevice.h> #ifdef CONFIG_NETFILTER_INGRESS -static inline int nf_hook_ingress_active(struct sk_buff *skb) +static inline bool nf_hook_ingress_active(const struct sk_buff *skb) { - return nf_hook_list_active(&skb->dev->nf_hooks_ingress, - NFPROTO_NETDEV, NF_NETDEV_INGRESS); +#ifdef HAVE_JUMP_LABEL + if (!static_key_false(&nf_hooks_needed[NFPROTO_NETDEV][NF_NETDEV_INGRESS])) + return false; +#endif + return !list_empty(&skb->dev->nf_hooks_ingress); } static inline int nf_hook_ingress(struct sk_buff *skb) @@ -16,8 +19,8 @@ static inline int nf_hook_ingress(struct sk_buff *skb) struct nf_hook_state state; nf_hook_state_init(&state, &skb->dev->nf_hooks_ingress, - NF_NETDEV_INGRESS, INT_MIN, NFPROTO_NETDEV, NULL, - skb->dev, NULL, dev_net(skb->dev), NULL); + NF_NETDEV_INGRESS, INT_MIN, NFPROTO_NETDEV, + skb->dev, NULL, NULL, dev_net(skb->dev), NULL); return nf_hook_slow(skb, &state); } diff --git a/include/linux/nfs4.h b/include/linux/nfs4.h index 00121f298269..e7e78537aea2 100644 --- a/include/linux/nfs4.h +++ b/include/linux/nfs4.h @@ -130,6 +130,7 @@ enum nfs_opnum4 { OP_READ_PLUS = 68, OP_SEEK = 69, OP_WRITE_SAME = 70, + OP_CLONE = 71, OP_ILLEGAL = 10044, }; @@ -421,6 +422,7 @@ enum lock_type4 { #define FATTR4_WORD2_LAYOUT_TYPES (1UL << 0) #define FATTR4_WORD2_LAYOUT_BLKSIZE (1UL << 1) #define FATTR4_WORD2_MDSTHRESHOLD (1UL << 4) +#define FATTR4_WORD2_CLONE_BLKSIZE (1UL << 13) #define FATTR4_WORD2_SECURITY_LABEL (1UL << 16) /* MDS threshold bitmap bits */ @@ -501,6 +503,7 @@ enum { NFSPROC4_CLNT_ALLOCATE, NFSPROC4_CLNT_DEALLOCATE, NFSPROC4_CLNT_LAYOUTSTATS, + NFSPROC4_CLNT_CLONE, }; /* nfs41 types */ diff --git a/include/linux/nfs_fs_sb.h b/include/linux/nfs_fs_sb.h index 570a7df2775b..2469ab0bb3a1 100644 --- a/include/linux/nfs_fs_sb.h +++ b/include/linux/nfs_fs_sb.h @@ -147,6 +147,7 @@ struct nfs_server { unsigned int acdirmax; unsigned int namelen; unsigned int options; /* extra options enabled by mount */ + unsigned int clone_blksize; /* granularity of a CLONE operation */ #define NFS_OPTION_FSCACHE 0x00000001 /* - local caching enabled */ #define NFS_OPTION_MIGRATION 0x00000002 /* - NFSv4 migration enabled */ @@ -243,5 +244,6 @@ struct nfs_server { #define NFS_CAP_ALLOCATE (1U << 20) #define NFS_CAP_DEALLOCATE (1U << 21) #define NFS_CAP_LAYOUTSTATS (1U << 22) +#define NFS_CAP_CLONE (1U << 23) #endif diff --git a/include/linux/nfs_xdr.h b/include/linux/nfs_xdr.h index 52faf7e96c65..11bbae44f4cb 100644 --- a/include/linux/nfs_xdr.h +++ b/include/linux/nfs_xdr.h @@ -141,6 +141,7 @@ struct nfs_fsinfo { __u32 lease_time; /* in seconds */ __u32 layouttype; /* supported pnfs layout driver */ __u32 blksize; /* preferred pnfs io block size */ + __u32 clone_blksize; /* granularity of a CLONE operation */ }; struct nfs_fsstat { @@ -250,6 +251,7 @@ struct nfs4_layoutget { struct nfs4_layoutget_res res; struct rpc_cred *cred; gfp_t gfp_flags; + long timeout; }; struct nfs4_getdeviceinfo_args { @@ -359,6 +361,25 @@ struct nfs42_layoutstat_data { struct nfs42_layoutstat_res res; }; +struct nfs42_clone_args { + struct nfs4_sequence_args seq_args; + struct nfs_fh *src_fh; + struct nfs_fh *dst_fh; + nfs4_stateid src_stateid; + nfs4_stateid dst_stateid; + __u64 src_offset; + __u64 dst_offset; + __u64 count; + const u32 *dst_bitmask; +}; + +struct nfs42_clone_res { + struct nfs4_sequence_res seq_res; + unsigned int rpc_status; + struct nfs_fattr *dst_fattr; + const struct nfs_server *server; +}; + struct stateowner_id { __u64 create_time; __u32 uniquifier; @@ -528,7 +549,7 @@ struct nfs4_delegreturnargs { struct nfs4_delegreturnres { struct nfs4_sequence_res seq_res; struct nfs_fattr * fattr; - const struct nfs_server *server; + struct nfs_server *server; }; /* @@ -601,7 +622,7 @@ struct nfs_removeargs { struct nfs_removeres { struct nfs4_sequence_res seq_res; - const struct nfs_server *server; + struct nfs_server *server; struct nfs_fattr *dir_attr; struct nfs4_change_info cinfo; }; @@ -619,7 +640,7 @@ struct nfs_renameargs { struct nfs_renameres { struct nfs4_sequence_res seq_res; - const struct nfs_server *server; + struct nfs_server *server; struct nfs4_change_info old_cinfo; struct nfs_fattr *old_fattr; struct nfs4_change_info new_cinfo; @@ -685,7 +706,6 @@ struct nfs_setaclargs { struct nfs4_sequence_args seq_args; struct nfs_fh * fh; size_t acl_len; - unsigned int acl_pgbase; struct page ** acl_pages; }; @@ -697,7 +717,6 @@ struct nfs_getaclargs { struct nfs4_sequence_args seq_args; struct nfs_fh * fh; size_t acl_len; - unsigned int acl_pgbase; struct page ** acl_pages; }; diff --git a/include/linux/of.h b/include/linux/of.h index 2194b8ca41f9..dd10626a615f 100644 --- a/include/linux/of.h +++ b/include/linux/of.h @@ -126,6 +126,8 @@ extern raw_spinlock_t devtree_lock; #define OF_POPULATED 3 /* device already created for the node */ #define OF_POPULATED_BUS 4 /* of_platform_populate recursed to children of this node */ +#define OF_BAD_ADDR ((u64)-1) + #ifdef CONFIG_OF void of_core_init(void); @@ -229,8 +231,6 @@ static inline unsigned long of_read_ulong(const __be32 *cell, int size) #define OF_IS_DYNAMIC(x) test_bit(OF_DYNAMIC, &x->_flags) #define OF_MARK_DYNAMIC(x) set_bit(OF_DYNAMIC, &x->_flags) -#define OF_BAD_ADDR ((u64)-1) - static inline const char *of_node_full_name(const struct device_node *np) { return np ? np->full_name : "<no-node>"; diff --git a/include/linux/of_address.h b/include/linux/of_address.h index d88e81be6368..507daad0bc8d 100644 --- a/include/linux/of_address.h +++ b/include/linux/of_address.h @@ -57,6 +57,13 @@ extern int of_dma_get_range(struct device_node *np, u64 *dma_addr, u64 *paddr, u64 *size); extern bool of_dma_is_coherent(struct device_node *np); #else /* CONFIG_OF_ADDRESS */ + +static inline u64 of_translate_address(struct device_node *np, + const __be32 *addr) +{ + return OF_BAD_ADDR; +} + static inline struct device_node *of_find_matching_node_by_address( struct device_node *from, const struct of_device_id *matches, diff --git a/include/linux/of_dma.h b/include/linux/of_dma.h index 98ba7525929e..b90d8ec57c1f 100644 --- a/include/linux/of_dma.h +++ b/include/linux/of_dma.h @@ -34,7 +34,7 @@ struct of_dma_filter_info { dma_filter_fn filter_fn; }; -#ifdef CONFIG_OF +#ifdef CONFIG_DMA_OF extern int of_dma_controller_register(struct device_node *np, struct dma_chan *(*of_dma_xlate) (struct of_phandle_args *, struct of_dma *), @@ -80,7 +80,7 @@ static inline int of_dma_router_register(struct device_node *np, static inline struct dma_chan *of_dma_request_slave_channel(struct device_node *np, const char *name) { - return NULL; + return ERR_PTR(-ENODEV); } static inline struct dma_chan *of_dma_simple_xlate(struct of_phandle_args *dma_spec, diff --git a/include/linux/of_pci.h b/include/linux/of_pci.h index 38c0533a3359..2c51ee78b1c0 100644 --- a/include/linux/of_pci.h +++ b/include/linux/of_pci.h @@ -16,7 +16,6 @@ int of_pci_get_devfn(struct device_node *np); int of_irq_parse_and_map_pci(const struct pci_dev *dev, u8 slot, u8 pin); int of_pci_parse_bus_range(struct device_node *node, struct resource *res); int of_get_pci_domain_nr(struct device_node *node); -void of_pci_dma_configure(struct pci_dev *pci_dev); void of_pci_check_probe_only(void); #else static inline int of_irq_parse_pci(const struct pci_dev *pdev, struct of_phandle_args *out_irq) @@ -53,8 +52,6 @@ of_get_pci_domain_nr(struct device_node *node) return -1; } -static inline void of_pci_dma_configure(struct pci_dev *pci_dev) { } - static inline void of_pci_check_probe_only(void) { } #endif diff --git a/include/linux/page-flags.h b/include/linux/page-flags.h index a525e5067484..bb53c7b86315 100644 --- a/include/linux/page-flags.h +++ b/include/linux/page-flags.h @@ -86,12 +86,7 @@ enum pageflags { PG_private, /* If pagecache, has fs-private data */ PG_private_2, /* If pagecache, has fs aux data */ PG_writeback, /* Page is under writeback */ -#ifdef CONFIG_PAGEFLAGS_EXTENDED PG_head, /* A head page */ - PG_tail, /* A tail page */ -#else - PG_compound, /* A compound page */ -#endif PG_swapcache, /* Swap page: swp_entry_t in private */ PG_mappedtodisk, /* Has blocks allocated on-disk */ PG_reclaim, /* To be reclaimed asap */ @@ -398,85 +393,46 @@ static inline void set_page_writeback_keepwrite(struct page *page) test_set_page_writeback_keepwrite(page); } -#ifdef CONFIG_PAGEFLAGS_EXTENDED -/* - * System with lots of page flags available. This allows separate - * flags for PageHead() and PageTail() checks of compound pages so that bit - * tests can be used in performance sensitive paths. PageCompound is - * generally not used in hot code paths except arch/powerpc/mm/init_64.c - * and arch/powerpc/kvm/book3s_64_vio_hv.c which use it to detect huge pages - * and avoid handling those in real mode. - */ __PAGEFLAG(Head, head) CLEARPAGEFLAG(Head, head) -__PAGEFLAG(Tail, tail) -static inline int PageCompound(struct page *page) -{ - return page->flags & ((1L << PG_head) | (1L << PG_tail)); - -} -#ifdef CONFIG_TRANSPARENT_HUGEPAGE -static inline void ClearPageCompound(struct page *page) +static inline int PageTail(struct page *page) { - BUG_ON(!PageHead(page)); - ClearPageHead(page); + return READ_ONCE(page->compound_head) & 1; } -#endif - -#define PG_head_mask ((1L << PG_head)) -#else -/* - * Reduce page flag use as much as possible by overlapping - * compound page flags with the flags used for page cache pages. Possible - * because PageCompound is always set for compound pages and not for - * pages on the LRU and/or pagecache. - */ -TESTPAGEFLAG(Compound, compound) -__SETPAGEFLAG(Head, compound) __CLEARPAGEFLAG(Head, compound) - -/* - * PG_reclaim is used in combination with PG_compound to mark the - * head and tail of a compound page. This saves one page flag - * but makes it impossible to use compound pages for the page cache. - * The PG_reclaim bit would have to be used for reclaim or readahead - * if compound pages enter the page cache. - * - * PG_compound & PG_reclaim => Tail page - * PG_compound & ~PG_reclaim => Head page - */ -#define PG_head_mask ((1L << PG_compound)) -#define PG_head_tail_mask ((1L << PG_compound) | (1L << PG_reclaim)) - -static inline int PageHead(struct page *page) +static inline void set_compound_head(struct page *page, struct page *head) { - return ((page->flags & PG_head_tail_mask) == PG_head_mask); + WRITE_ONCE(page->compound_head, (unsigned long)head + 1); } -static inline int PageTail(struct page *page) +static inline void clear_compound_head(struct page *page) { - return ((page->flags & PG_head_tail_mask) == PG_head_tail_mask); + WRITE_ONCE(page->compound_head, 0); } -static inline void __SetPageTail(struct page *page) +static inline struct page *compound_head(struct page *page) { - page->flags |= PG_head_tail_mask; + unsigned long head = READ_ONCE(page->compound_head); + + if (unlikely(head & 1)) + return (struct page *) (head - 1); + return page; } -static inline void __ClearPageTail(struct page *page) +static inline int PageCompound(struct page *page) { - page->flags &= ~PG_head_tail_mask; -} + return PageHead(page) || PageTail(page); +} #ifdef CONFIG_TRANSPARENT_HUGEPAGE static inline void ClearPageCompound(struct page *page) { - BUG_ON((page->flags & PG_head_tail_mask) != (1 << PG_compound)); - clear_bit(PG_compound, &page->flags); + BUG_ON(!PageHead(page)); + ClearPageHead(page); } #endif -#endif /* !PAGEFLAGS_EXTENDED */ +#define PG_head_mask ((1L << PG_head)) #ifdef CONFIG_HUGETLB_PAGE int PageHuge(struct page *page); diff --git a/include/linux/pageblock-flags.h b/include/linux/pageblock-flags.h index 2baeee12f48e..e942558b3585 100644 --- a/include/linux/pageblock-flags.h +++ b/include/linux/pageblock-flags.h @@ -44,7 +44,7 @@ enum pageblock_bits { #ifdef CONFIG_HUGETLB_PAGE_SIZE_VARIABLE /* Huge page sizes are variable */ -extern int pageblock_order; +extern unsigned int pageblock_order; #else /* CONFIG_HUGETLB_PAGE_SIZE_VARIABLE */ diff --git a/include/linux/pagemap.h b/include/linux/pagemap.h index a6c78e00ea96..26eabf5ec718 100644 --- a/include/linux/pagemap.h +++ b/include/linux/pagemap.h @@ -69,6 +69,13 @@ static inline gfp_t mapping_gfp_mask(struct address_space * mapping) return (__force gfp_t)mapping->flags & __GFP_BITS_MASK; } +/* Restricts the given gfp_mask to what the mapping allows. */ +static inline gfp_t mapping_gfp_constraint(struct address_space *mapping, + gfp_t gfp_mask) +{ + return mapping_gfp_mask(mapping) & gfp_mask; +} + /* * This is non-atomic. Only to be used before the mapping is activated. * Probably needs a barrier... diff --git a/include/linux/pci.h b/include/linux/pci.h index e828e7b4afec..6ae25aae88fd 100644 --- a/include/linux/pci.h +++ b/include/linux/pci.h @@ -412,9 +412,18 @@ struct pci_host_bridge { void (*release_fn)(struct pci_host_bridge *); void *release_data; unsigned int ignore_reset_delay:1; /* for entire hierarchy */ + /* Resource alignment requirements */ + resource_size_t (*align_resource)(struct pci_dev *dev, + const struct resource *res, + resource_size_t start, + resource_size_t size, + resource_size_t align); }; #define to_pci_host_bridge(n) container_of(n, struct pci_host_bridge, dev) + +struct pci_host_bridge *pci_find_host_bridge(struct pci_bus *bus); + void pci_set_host_bridge_release(struct pci_host_bridge *bridge, void (*release_fn)(struct pci_host_bridge *), void *release_data); diff --git a/include/linux/platform_data/atmel.h b/include/linux/platform_data/atmel.h index 91b16adab0cd..3c8825b67298 100644 --- a/include/linux/platform_data/atmel.h +++ b/include/linux/platform_data/atmel.h @@ -9,15 +9,7 @@ #include <linux/mtd/nand.h> #include <linux/mtd/partitions.h> -#include <linux/device.h> -#include <linux/i2c.h> -#include <linux/leds.h> -#include <linux/spi/spi.h> -#include <linux/usb/atmel_usba_udc.h> -#include <linux/atmel-mci.h> -#include <sound/atmel-ac97c.h> #include <linux/serial.h> -#include <linux/platform_data/macb.h> /* Compact Flash */ struct at91_cf_data { diff --git a/include/linux/platform_data/dma-dw.h b/include/linux/platform_data/dma-dw.h index 87ac14c584f2..03b6095d3b18 100644 --- a/include/linux/platform_data/dma-dw.h +++ b/include/linux/platform_data/dma-dw.h @@ -37,6 +37,7 @@ struct dw_dma_slave { * @nr_channels: Number of channels supported by hardware (max 8) * @is_private: The device channels should be marked as private and not for * by the general purpose DMA channel allocator. + * @is_memcpy: The device channels do support memory-to-memory transfers. * @chan_allocation_order: Allocate channels starting from 0 or 7 * @chan_priority: Set channel priority increasing from 0 to 7 or 7 to 0. * @block_size: Maximum block size supported by the controller @@ -47,6 +48,7 @@ struct dw_dma_slave { struct dw_dma_platform_data { unsigned int nr_channels; bool is_private; + bool is_memcpy; #define CHAN_ALLOCATION_ASCENDING 0 /* zero to seven */ #define CHAN_ALLOCATION_DESCENDING 1 /* seven to zero */ unsigned char chan_allocation_order; diff --git a/include/linux/platform_data/edma.h b/include/linux/platform_data/edma.h index bdb2710e2aab..e2878baeb90e 100644 --- a/include/linux/platform_data/edma.h +++ b/include/linux/platform_data/edma.h @@ -41,51 +41,6 @@ #ifndef EDMA_H_ #define EDMA_H_ -/* PaRAM slots are laid out like this */ -struct edmacc_param { - u32 opt; - u32 src; - u32 a_b_cnt; - u32 dst; - u32 src_dst_bidx; - u32 link_bcntrld; - u32 src_dst_cidx; - u32 ccnt; -} __packed; - -/* fields in edmacc_param.opt */ -#define SAM BIT(0) -#define DAM BIT(1) -#define SYNCDIM BIT(2) -#define STATIC BIT(3) -#define EDMA_FWID (0x07 << 8) -#define TCCMODE BIT(11) -#define EDMA_TCC(t) ((t) << 12) -#define TCINTEN BIT(20) -#define ITCINTEN BIT(21) -#define TCCHEN BIT(22) -#define ITCCHEN BIT(23) - -/*ch_status paramater of callback function possible values*/ -#define EDMA_DMA_COMPLETE 1 -#define EDMA_DMA_CC_ERROR 2 -#define EDMA_DMA_TC1_ERROR 3 -#define EDMA_DMA_TC2_ERROR 4 - -enum address_mode { - INCR = 0, - FIFO = 1 -}; - -enum fifo_width { - W8BIT = 0, - W16BIT = 1, - W32BIT = 2, - W64BIT = 3, - W128BIT = 4, - W256BIT = 5 -}; - enum dma_event_q { EVENTQ_0 = 0, EVENTQ_1 = 1, @@ -94,64 +49,10 @@ enum dma_event_q { EVENTQ_DEFAULT = -1 }; -enum sync_dimension { - ASYNC = 0, - ABSYNC = 1 -}; - #define EDMA_CTLR_CHAN(ctlr, chan) (((ctlr) << 16) | (chan)) #define EDMA_CTLR(i) ((i) >> 16) #define EDMA_CHAN_SLOT(i) ((i) & 0xffff) -#define EDMA_CHANNEL_ANY -1 /* for edma_alloc_channel() */ -#define EDMA_SLOT_ANY -1 /* for edma_alloc_slot() */ -#define EDMA_CONT_PARAMS_ANY 1001 -#define EDMA_CONT_PARAMS_FIXED_EXACT 1002 -#define EDMA_CONT_PARAMS_FIXED_NOT_EXACT 1003 - -#define EDMA_MAX_CC 2 - -/* alloc/free DMA channels and their dedicated parameter RAM slots */ -int edma_alloc_channel(int channel, - void (*callback)(unsigned channel, u16 ch_status, void *data), - void *data, enum dma_event_q); -void edma_free_channel(unsigned channel); - -/* alloc/free parameter RAM slots */ -int edma_alloc_slot(unsigned ctlr, int slot); -void edma_free_slot(unsigned slot); - -/* alloc/free a set of contiguous parameter RAM slots */ -int edma_alloc_cont_slots(unsigned ctlr, unsigned int id, int slot, int count); -int edma_free_cont_slots(unsigned slot, int count); - -/* calls that operate on part of a parameter RAM slot */ -void edma_set_src(unsigned slot, dma_addr_t src_port, - enum address_mode mode, enum fifo_width); -void edma_set_dest(unsigned slot, dma_addr_t dest_port, - enum address_mode mode, enum fifo_width); -dma_addr_t edma_get_position(unsigned slot, bool dst); -void edma_set_src_index(unsigned slot, s16 src_bidx, s16 src_cidx); -void edma_set_dest_index(unsigned slot, s16 dest_bidx, s16 dest_cidx); -void edma_set_transfer_params(unsigned slot, u16 acnt, u16 bcnt, u16 ccnt, - u16 bcnt_rld, enum sync_dimension sync_mode); -void edma_link(unsigned from, unsigned to); -void edma_unlink(unsigned from); - -/* calls that operate on an entire parameter RAM slot */ -void edma_write_slot(unsigned slot, const struct edmacc_param *params); -void edma_read_slot(unsigned slot, struct edmacc_param *params); - -/* channel control operations */ -int edma_start(unsigned channel); -void edma_stop(unsigned channel); -void edma_clean_channel(unsigned channel); -void edma_clear_event(unsigned channel); -void edma_pause(unsigned channel); -void edma_resume(unsigned channel); - -void edma_assign_channel_eventq(unsigned channel, enum dma_event_q eventq_no); - struct edma_rsv_info { const s16 (*rsv_chans)[2]; @@ -170,10 +71,11 @@ struct edma_soc_info { /* Resource reservation for other cores */ struct edma_rsv_info *rsv; + /* List of channels allocated for memcpy, terminated with -1 */ + s16 *memcpy_channels; + s8 (*queue_priority_mapping)[2]; const s16 (*xbar_chans)[2]; }; -int edma_trigger_channel(unsigned); - #endif diff --git a/include/linux/pmem.h b/include/linux/pmem.h index 85f810b33917..acfea8ce4a07 100644 --- a/include/linux/pmem.h +++ b/include/linux/pmem.h @@ -65,11 +65,6 @@ static inline void memcpy_from_pmem(void *dst, void __pmem const *src, size_t si memcpy(dst, (void __force const *) src, size); } -static inline void memunmap_pmem(struct device *dev, void __pmem *addr) -{ - devm_memunmap(dev, (void __force *) addr); -} - static inline bool arch_has_pmem_api(void) { return IS_ENABLED(CONFIG_ARCH_HAS_PMEM_API); @@ -93,7 +88,7 @@ static inline bool arch_has_wmb_pmem(void) * These defaults seek to offer decent performance and minimize the * window between i/o completion and writes being durable on media. * However, it is undefined / architecture specific whether - * default_memremap_pmem + default_memcpy_to_pmem is sufficient for + * ARCH_MEMREMAP_PMEM + default_memcpy_to_pmem is sufficient for * making data durable relative to i/o completion. */ static inline void default_memcpy_to_pmem(void __pmem *dst, const void *src, @@ -117,25 +112,6 @@ static inline void default_clear_pmem(void __pmem *addr, size_t size) } /** - * memremap_pmem - map physical persistent memory for pmem api - * @offset: physical address of persistent memory - * @size: size of the mapping - * - * Establish a mapping of the architecture specific memory type expected - * by memcpy_to_pmem() and wmb_pmem(). For example, it may be - * the case that an uncacheable or writethrough mapping is sufficient, - * or a writeback mapping provided memcpy_to_pmem() and - * wmb_pmem() arrange for the data to be written through the - * cache to persistent media. - */ -static inline void __pmem *memremap_pmem(struct device *dev, - resource_size_t offset, unsigned long size) -{ - return (void __pmem *) devm_memremap(dev, offset, size, - ARCH_MEMREMAP_PMEM); -} - -/** * memcpy_to_pmem - copy data to persistent memory * @dst: destination buffer for the copy * @src: source buffer for the copy diff --git a/include/linux/property.h b/include/linux/property.h index 463de52fe891..0a3705a7c9f2 100644 --- a/include/linux/property.h +++ b/include/linux/property.h @@ -27,6 +27,12 @@ enum dev_prop_type { DEV_PROP_MAX, }; +enum dev_dma_attr { + DEV_DMA_NOT_SUPPORTED, + DEV_DMA_NON_COHERENT, + DEV_DMA_COHERENT, +}; + bool device_property_present(struct device *dev, const char *propname); int device_property_read_u8_array(struct device *dev, const char *propname, u8 *val, size_t nval); @@ -168,7 +174,9 @@ struct property_set { void device_add_property_set(struct device *dev, struct property_set *pset); -bool device_dma_is_coherent(struct device *dev); +bool device_dma_supported(struct device *dev); + +enum dev_dma_attr device_get_dma_attr(struct device *dev); int device_get_phy_mode(struct device *dev); diff --git a/include/linux/psci.h b/include/linux/psci.h index a682fcc91c33..12c4865457ad 100644 --- a/include/linux/psci.h +++ b/include/linux/psci.h @@ -21,6 +21,8 @@ #define PSCI_POWER_STATE_TYPE_POWER_DOWN 1 bool psci_tos_resident_on(int cpu); +bool psci_power_state_loses_context(u32 state); +bool psci_power_state_is_valid(u32 state); struct psci_operations { int (*cpu_suspend)(u32 state, unsigned long entry_point); diff --git a/include/linux/pwm.h b/include/linux/pwm.h index d681f6875aef..cfc3ed46cad2 100644 --- a/include/linux/pwm.h +++ b/include/linux/pwm.h @@ -2,6 +2,7 @@ #define __LINUX_PWM_H #include <linux/err.h> +#include <linux/mutex.h> #include <linux/of.h> struct pwm_device; @@ -87,6 +88,7 @@ enum { * @pwm: global index of the PWM device * @chip: PWM chip providing this PWM device * @chip_data: chip-private data associated with the PWM device + * @lock: used to serialize accesses to the PWM device where necessary * @period: period of the PWM signal (in nanoseconds) * @duty_cycle: duty cycle of the PWM signal (in nanoseconds) * @polarity: polarity of the PWM signal @@ -98,6 +100,7 @@ struct pwm_device { unsigned int pwm; struct pwm_chip *chip; void *chip_data; + struct mutex lock; unsigned int period; unsigned int duty_cycle; diff --git a/include/linux/qcom_scm.h b/include/linux/qcom_scm.h index 6e7d5ec65838..9e12000914b3 100644 --- a/include/linux/qcom_scm.h +++ b/include/linux/qcom_scm.h @@ -23,6 +23,8 @@ struct qcom_scm_hdcp_req { u32 val; }; +extern bool qcom_scm_is_available(void); + extern bool qcom_scm_hdcp_available(void); extern int qcom_scm_hdcp_req(struct qcom_scm_hdcp_req *req, u32 req_cnt, u32 *resp); diff --git a/include/linux/rbtree.h b/include/linux/rbtree.h index 830c4992088d..a5aa7ae671f4 100644 --- a/include/linux/rbtree.h +++ b/include/linux/rbtree.h @@ -101,13 +101,21 @@ static inline void rb_link_node_rcu(struct rb_node *node, struct rb_node *parent }) /** - * rbtree_postorder_for_each_entry_safe - iterate over rb_root in post order of - * given type safe against removal of rb_node entry + * rbtree_postorder_for_each_entry_safe - iterate in post-order over rb_root of + * given type allowing the backing memory of @pos to be invalidated * * @pos: the 'type *' to use as a loop cursor. * @n: another 'type *' to use as temporary storage * @root: 'rb_root *' of the rbtree. * @field: the name of the rb_node field within 'type'. + * + * rbtree_postorder_for_each_entry_safe() provides a similar guarantee as + * list_for_each_entry_safe() and allows the iteration to continue independent + * of changes to @pos by the body of the loop. + * + * Note, however, that it cannot handle other modifications that re-order the + * rbtree it is iterating over. This includes calling rb_erase() on @pos, as + * rb_erase() may rebalance the tree, causing us to miss some nodes. */ #define rbtree_postorder_for_each_entry_safe(pos, n, root, field) \ for (pos = rb_entry_safe(rb_first_postorder(root), typeof(*pos), field); \ diff --git a/include/linux/sched.h b/include/linux/sched.h index eeb5066a44fb..edad7a43edea 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -484,9 +484,11 @@ static inline int get_dumpable(struct mm_struct *mm) #define MMF_DUMP_ELF_HEADERS 6 #define MMF_DUMP_HUGETLB_PRIVATE 7 #define MMF_DUMP_HUGETLB_SHARED 8 +#define MMF_DUMP_DAX_PRIVATE 9 +#define MMF_DUMP_DAX_SHARED 10 #define MMF_DUMP_FILTER_SHIFT MMF_DUMPABLE_BITS -#define MMF_DUMP_FILTER_BITS 7 +#define MMF_DUMP_FILTER_BITS 9 #define MMF_DUMP_FILTER_MASK \ (((1 << MMF_DUMP_FILTER_BITS) - 1) << MMF_DUMP_FILTER_SHIFT) #define MMF_DUMP_FILTER_DEFAULT \ @@ -1570,9 +1572,7 @@ struct task_struct { unsigned long sas_ss_sp; size_t sas_ss_size; - int (*notifier)(void *priv); - void *notifier_data; - sigset_t *notifier_mask; + struct callback_head *task_works; struct audit_context *audit_context; @@ -2464,21 +2464,29 @@ extern void ignore_signals(struct task_struct *); extern void flush_signal_handlers(struct task_struct *, int force_default); extern int dequeue_signal(struct task_struct *tsk, sigset_t *mask, siginfo_t *info); -static inline int dequeue_signal_lock(struct task_struct *tsk, sigset_t *mask, siginfo_t *info) +static inline int kernel_dequeue_signal(siginfo_t *info) { - unsigned long flags; + struct task_struct *tsk = current; + siginfo_t __info; int ret; - spin_lock_irqsave(&tsk->sighand->siglock, flags); - ret = dequeue_signal(tsk, mask, info); - spin_unlock_irqrestore(&tsk->sighand->siglock, flags); + spin_lock_irq(&tsk->sighand->siglock); + ret = dequeue_signal(tsk, &tsk->blocked, info ?: &__info); + spin_unlock_irq(&tsk->sighand->siglock); return ret; } -extern void block_all_signals(int (*notifier)(void *priv), void *priv, - sigset_t *mask); -extern void unblock_all_signals(void); +static inline void kernel_signal_stop(void) +{ + spin_lock_irq(¤t->sighand->siglock); + if (current->jobctl & JOBCTL_STOP_DEQUEUED) + __set_current_state(TASK_STOPPED); + spin_unlock_irq(¤t->sighand->siglock); + + schedule(); +} + extern void release_task(struct task_struct * p); extern int send_sig_info(int, struct siginfo *, struct task_struct *); extern int force_sigsegv(int, struct task_struct *); diff --git a/include/linux/scpi_protocol.h b/include/linux/scpi_protocol.h new file mode 100644 index 000000000000..72ce932c69b2 --- /dev/null +++ b/include/linux/scpi_protocol.h @@ -0,0 +1,78 @@ +/* + * SCPI Message Protocol driver header + * + * Copyright (C) 2014 ARM Ltd. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2, as published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License along with + * this program. If not, see <http://www.gnu.org/licenses/>. + */ +#include <linux/types.h> + +struct scpi_opp { + u32 freq; + u32 m_volt; +} __packed; + +struct scpi_dvfs_info { + unsigned int count; + unsigned int latency; /* in nanoseconds */ + struct scpi_opp *opps; +}; + +enum scpi_sensor_class { + TEMPERATURE, + VOLTAGE, + CURRENT, + POWER, +}; + +struct scpi_sensor_info { + u16 sensor_id; + u8 class; + u8 trigger_type; + char name[20]; +} __packed; + +/** + * struct scpi_ops - represents the various operations provided + * by SCP through SCPI message protocol + * @get_version: returns the major and minor revision on the SCPI + * message protocol + * @clk_get_range: gets clock range limit(min - max in Hz) + * @clk_get_val: gets clock value(in Hz) + * @clk_set_val: sets the clock value, setting to 0 will disable the + * clock (if supported) + * @dvfs_get_idx: gets the Operating Point of the given power domain. + * OPP is an index to the list return by @dvfs_get_info + * @dvfs_set_idx: sets the Operating Point of the given power domain. + * OPP is an index to the list return by @dvfs_get_info + * @dvfs_get_info: returns the DVFS capabilities of the given power + * domain. It includes the OPP list and the latency information + */ +struct scpi_ops { + u32 (*get_version)(void); + int (*clk_get_range)(u16, unsigned long *, unsigned long *); + unsigned long (*clk_get_val)(u16); + int (*clk_set_val)(u16, unsigned long); + int (*dvfs_get_idx)(u8); + int (*dvfs_set_idx)(u8, u8); + struct scpi_dvfs_info *(*dvfs_get_info)(u8); + int (*sensor_get_capability)(u16 *sensors); + int (*sensor_get_info)(u16 sensor_id, struct scpi_sensor_info *); + int (*sensor_get_value)(u16, u32 *); +}; + +#if IS_REACHABLE(CONFIG_ARM_SCPI_PROTOCOL) +struct scpi_ops *get_scpi_ops(void); +#else +static inline struct scpi_ops *get_scpi_ops(void) { return NULL; } +#endif diff --git a/include/linux/signal.h b/include/linux/signal.h index ab1e0392b5ac..92557bbce7e7 100644 --- a/include/linux/signal.h +++ b/include/linux/signal.h @@ -239,7 +239,6 @@ extern int sigprocmask(int, sigset_t *, sigset_t *); extern void set_current_blocked(sigset_t *); extern void __set_current_blocked(const sigset_t *); extern int show_unhandled_signals; -extern int sigsuspend(sigset_t *); struct sigaction { #ifndef __ARCH_HAS_IRIX_SIGACTION diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h index 24f4dfd94c51..4355129fff91 100644 --- a/include/linux/skbuff.h +++ b/include/linux/skbuff.h @@ -1224,7 +1224,7 @@ static inline int skb_cloned(const struct sk_buff *skb) static inline int skb_unclone(struct sk_buff *skb, gfp_t pri) { - might_sleep_if(pri & __GFP_WAIT); + might_sleep_if(gfpflags_allow_blocking(pri)); if (skb_cloned(skb)) return pskb_expand_head(skb, 0, 0, pri); @@ -1308,7 +1308,7 @@ static inline int skb_shared(const struct sk_buff *skb) */ static inline struct sk_buff *skb_share_check(struct sk_buff *skb, gfp_t pri) { - might_sleep_if(pri & __GFP_WAIT); + might_sleep_if(gfpflags_allow_blocking(pri)); if (skb_shared(skb)) { struct sk_buff *nskb = skb_clone(skb, pri); @@ -1344,7 +1344,7 @@ static inline struct sk_buff *skb_share_check(struct sk_buff *skb, gfp_t pri) static inline struct sk_buff *skb_unshare(struct sk_buff *skb, gfp_t pri) { - might_sleep_if(pri & __GFP_WAIT); + might_sleep_if(gfpflags_allow_blocking(pri)); if (skb_cloned(skb)) { struct sk_buff *nskb = skb_copy(skb, pri); diff --git a/include/linux/slab.h b/include/linux/slab.h index 7c82e3b307a3..2037a861e367 100644 --- a/include/linux/slab.h +++ b/include/linux/slab.h @@ -158,6 +158,24 @@ size_t ksize(const void *); #endif /* + * Setting ARCH_SLAB_MINALIGN in arch headers allows a different alignment. + * Intended for arches that get misalignment faults even for 64 bit integer + * aligned buffers. + */ +#ifndef ARCH_SLAB_MINALIGN +#define ARCH_SLAB_MINALIGN __alignof__(unsigned long long) +#endif + +/* + * kmalloc and friends return ARCH_KMALLOC_MINALIGN aligned + * pointers. kmem_cache_alloc and friends return ARCH_SLAB_MINALIGN + * aligned pointers. + */ +#define __assume_kmalloc_alignment __assume_aligned(ARCH_KMALLOC_MINALIGN) +#define __assume_slab_alignment __assume_aligned(ARCH_SLAB_MINALIGN) +#define __assume_page_alignment __assume_aligned(PAGE_SIZE) + +/* * Kmalloc array related definitions */ @@ -286,8 +304,8 @@ static __always_inline int kmalloc_index(size_t size) } #endif /* !CONFIG_SLOB */ -void *__kmalloc(size_t size, gfp_t flags); -void *kmem_cache_alloc(struct kmem_cache *, gfp_t flags); +void *__kmalloc(size_t size, gfp_t flags) __assume_kmalloc_alignment; +void *kmem_cache_alloc(struct kmem_cache *, gfp_t flags) __assume_slab_alignment; void kmem_cache_free(struct kmem_cache *, void *); /* @@ -298,11 +316,11 @@ void kmem_cache_free(struct kmem_cache *, void *); * Note that interrupts must be enabled when calling these functions. */ void kmem_cache_free_bulk(struct kmem_cache *, size_t, void **); -bool kmem_cache_alloc_bulk(struct kmem_cache *, gfp_t, size_t, void **); +int kmem_cache_alloc_bulk(struct kmem_cache *, gfp_t, size_t, void **); #ifdef CONFIG_NUMA -void *__kmalloc_node(size_t size, gfp_t flags, int node); -void *kmem_cache_alloc_node(struct kmem_cache *, gfp_t flags, int node); +void *__kmalloc_node(size_t size, gfp_t flags, int node) __assume_kmalloc_alignment; +void *kmem_cache_alloc_node(struct kmem_cache *, gfp_t flags, int node) __assume_slab_alignment; #else static __always_inline void *__kmalloc_node(size_t size, gfp_t flags, int node) { @@ -316,12 +334,12 @@ static __always_inline void *kmem_cache_alloc_node(struct kmem_cache *s, gfp_t f #endif #ifdef CONFIG_TRACING -extern void *kmem_cache_alloc_trace(struct kmem_cache *, gfp_t, size_t); +extern void *kmem_cache_alloc_trace(struct kmem_cache *, gfp_t, size_t) __assume_slab_alignment; #ifdef CONFIG_NUMA extern void *kmem_cache_alloc_node_trace(struct kmem_cache *s, gfp_t gfpflags, - int node, size_t size); + int node, size_t size) __assume_slab_alignment; #else static __always_inline void * kmem_cache_alloc_node_trace(struct kmem_cache *s, @@ -354,10 +372,10 @@ kmem_cache_alloc_node_trace(struct kmem_cache *s, } #endif /* CONFIG_TRACING */ -extern void *kmalloc_order(size_t size, gfp_t flags, unsigned int order); +extern void *kmalloc_order(size_t size, gfp_t flags, unsigned int order) __assume_page_alignment; #ifdef CONFIG_TRACING -extern void *kmalloc_order_trace(size_t size, gfp_t flags, unsigned int order); +extern void *kmalloc_order_trace(size_t size, gfp_t flags, unsigned int order) __assume_page_alignment; #else static __always_inline void * kmalloc_order_trace(size_t size, gfp_t flags, unsigned int order) @@ -482,15 +500,6 @@ static __always_inline void *kmalloc_node(size_t size, gfp_t flags, int node) return __kmalloc_node(size, flags, node); } -/* - * Setting ARCH_SLAB_MINALIGN in arch headers allows a different alignment. - * Intended for arches that get misalignment faults even for 64 bit integer - * aligned buffers. - */ -#ifndef ARCH_SLAB_MINALIGN -#define ARCH_SLAB_MINALIGN __alignof__(unsigned long long) -#endif - struct memcg_cache_array { struct rcu_head rcu; struct kmem_cache *entries[0]; diff --git a/include/linux/soc/brcmstb/brcmstb.h b/include/linux/soc/brcmstb/brcmstb.h new file mode 100644 index 000000000000..337ce414e898 --- /dev/null +++ b/include/linux/soc/brcmstb/brcmstb.h @@ -0,0 +1,10 @@ +#ifndef __BRCMSTB_SOC_H +#define __BRCMSTB_SOC_H + +/* + * Bus Interface Unit control register setup, must happen early during boot, + * before SMP is brought up, called by machine entry point. + */ +void brcmstb_biuctrl_init(void); + +#endif /* __BRCMSTB_SOC_H */ diff --git a/include/linux/soc/qcom/smd.h b/include/linux/soc/qcom/smd.h index d7e50aa6a4ac..d0cb6d189a0a 100644 --- a/include/linux/soc/qcom/smd.h +++ b/include/linux/soc/qcom/smd.h @@ -9,6 +9,14 @@ struct qcom_smd_channel; struct qcom_smd_lookup; /** + * struct qcom_smd_id - struct used for matching a smd device + * @name: name of the channel + */ +struct qcom_smd_id { + char name[20]; +}; + +/** * struct qcom_smd_device - smd device struct * @dev: the device struct * @channel: handle to the smd channel for this device @@ -21,6 +29,7 @@ struct qcom_smd_device { /** * struct qcom_smd_driver - smd driver struct * @driver: underlying device driver + * @smd_match_table: static channel match table * @probe: invoked when the smd channel is found * @remove: invoked when the smd channel is closed * @callback: invoked when an inbound message is received on the channel, @@ -29,6 +38,8 @@ struct qcom_smd_device { */ struct qcom_smd_driver { struct device_driver driver; + const struct qcom_smd_id *smd_match_table; + int (*probe)(struct qcom_smd_device *dev); void (*remove)(struct qcom_smd_device *dev); int (*callback)(struct qcom_smd_device *, const void *, size_t); diff --git a/include/linux/soc/qcom/smem.h b/include/linux/soc/qcom/smem.h index bc9630d3aced..785e196ee2ca 100644 --- a/include/linux/soc/qcom/smem.h +++ b/include/linux/soc/qcom/smem.h @@ -4,7 +4,7 @@ #define QCOM_SMEM_HOST_ANY -1 int qcom_smem_alloc(unsigned host, unsigned item, size_t size); -int qcom_smem_get(unsigned host, unsigned item, void **ptr, size_t *size); +void *qcom_smem_get(unsigned host, unsigned item, size_t *size); int qcom_smem_get_free_space(unsigned host); diff --git a/include/linux/spi/pxa2xx_spi.h b/include/linux/spi/pxa2xx_spi.h index 6d36dacec4ba..9ec4c147abbc 100644 --- a/include/linux/spi/pxa2xx_spi.h +++ b/include/linux/spi/pxa2xx_spi.h @@ -23,7 +23,6 @@ struct dma_chan; /* device.platform_data for SSP controller devices */ struct pxa2xx_spi_master { - u32 clock_enable; u16 num_chipselect; u8 enable_dma; diff --git a/include/linux/sunrpc/bc_xprt.h b/include/linux/sunrpc/bc_xprt.h index 8df43c9f11dc..4397a4824c81 100644 --- a/include/linux/sunrpc/bc_xprt.h +++ b/include/linux/sunrpc/bc_xprt.h @@ -38,6 +38,11 @@ void xprt_free_bc_request(struct rpc_rqst *req); int xprt_setup_backchannel(struct rpc_xprt *, unsigned int min_reqs); void xprt_destroy_backchannel(struct rpc_xprt *, unsigned int max_reqs); +/* Socket backchannel transport methods */ +int xprt_setup_bc(struct rpc_xprt *xprt, unsigned int min_reqs); +void xprt_destroy_bc(struct rpc_xprt *xprt, unsigned int max_reqs); +void xprt_free_bc_rqst(struct rpc_rqst *req); + /* * Determine if a shared backchannel is in use */ diff --git a/include/linux/sunrpc/cache.h b/include/linux/sunrpc/cache.h index 03d3b4c92d9f..ed03c9f7f908 100644 --- a/include/linux/sunrpc/cache.h +++ b/include/linux/sunrpc/cache.h @@ -48,8 +48,10 @@ struct cache_head { struct hlist_node cache_list; time_t expiry_time; /* After time time, don't use the data */ - time_t last_refresh; /* If CACHE_PENDING, this is when upcall - * was sent, else this is when update was received + time_t last_refresh; /* If CACHE_PENDING, this is when upcall was + * sent, else this is when update was + * received, though it is alway set to + * be *after* ->flush_time. */ struct kref ref; unsigned long flags; @@ -105,8 +107,12 @@ struct cache_detail { /* fields below this comment are for internal use * and should not be touched by cache owners */ - time_t flush_time; /* flush all cache items with last_refresh - * earlier than this */ + time_t flush_time; /* flush all cache items with + * last_refresh at or earlier + * than this. last_refresh + * is never set at or earlier + * than this. + */ struct list_head others; time_t nextcheck; int entries; @@ -203,7 +209,7 @@ static inline void cache_put(struct cache_head *h, struct cache_detail *cd) static inline int cache_is_expired(struct cache_detail *detail, struct cache_head *h) { return (h->expiry_time < seconds_since_boot()) || - (detail->flush_time > h->last_refresh); + (detail->flush_time >= h->last_refresh); } extern int cache_check(struct cache_detail *detail, diff --git a/include/linux/sunrpc/svc_rdma.h b/include/linux/sunrpc/svc_rdma.h index 7ccc961f33e9..f869807a0d0e 100644 --- a/include/linux/sunrpc/svc_rdma.h +++ b/include/linux/sunrpc/svc_rdma.h @@ -105,11 +105,9 @@ struct svc_rdma_chunk_sge { }; struct svc_rdma_fastreg_mr { struct ib_mr *mr; - void *kva; - struct ib_fast_reg_page_list *page_list; - int page_list_len; + struct scatterlist *sg; + int sg_nents; unsigned long access_flags; - unsigned long map_len; enum dma_data_direction direction; struct list_head frmr_list; }; @@ -228,9 +226,13 @@ extern void svc_rdma_put_frmr(struct svcxprt_rdma *, struct svc_rdma_fastreg_mr *); extern void svc_sq_reap(struct svcxprt_rdma *); extern void svc_rq_reap(struct svcxprt_rdma *); -extern struct svc_xprt_class svc_rdma_class; extern void svc_rdma_prep_reply_hdr(struct svc_rqst *); +extern struct svc_xprt_class svc_rdma_class; +#ifdef CONFIG_SUNRPC_BACKCHANNEL +extern struct svc_xprt_class svc_rdma_bc_class; +#endif + /* svc_rdma.c */ extern int svc_rdma_init(void); extern void svc_rdma_cleanup(void); diff --git a/include/linux/sunrpc/xprt.h b/include/linux/sunrpc/xprt.h index 0fb9acbb4780..69ef5b3ab038 100644 --- a/include/linux/sunrpc/xprt.h +++ b/include/linux/sunrpc/xprt.h @@ -54,6 +54,8 @@ enum rpc_display_format_t { struct rpc_task; struct rpc_xprt; struct seq_file; +struct svc_serv; +struct net; /* * This describes a complete RPC request @@ -136,6 +138,12 @@ struct rpc_xprt_ops { int (*enable_swap)(struct rpc_xprt *xprt); void (*disable_swap)(struct rpc_xprt *xprt); void (*inject_disconnect)(struct rpc_xprt *xprt); + int (*bc_setup)(struct rpc_xprt *xprt, + unsigned int min_reqs); + int (*bc_up)(struct svc_serv *serv, struct net *net); + void (*bc_free_rqst)(struct rpc_rqst *rqst); + void (*bc_destroy)(struct rpc_xprt *xprt, + unsigned int max_reqs); }; /* @@ -153,6 +161,7 @@ enum xprt_transports { XPRT_TRANSPORT_TCP = IPPROTO_TCP, XPRT_TRANSPORT_BC_TCP = IPPROTO_TCP | XPRT_TRANSPORT_BC, XPRT_TRANSPORT_RDMA = 256, + XPRT_TRANSPORT_BC_RDMA = XPRT_TRANSPORT_RDMA | XPRT_TRANSPORT_BC, XPRT_TRANSPORT_LOCAL = 257, }; diff --git a/include/linux/sunrpc/xprtsock.h b/include/linux/sunrpc/xprtsock.h index 357e44c1a46b..0ece4ba06f06 100644 --- a/include/linux/sunrpc/xprtsock.h +++ b/include/linux/sunrpc/xprtsock.h @@ -44,6 +44,8 @@ struct sock_xprt { */ unsigned long sock_state; struct delayed_work connect_worker; + struct work_struct recv_worker; + struct mutex recv_mutex; struct sockaddr_storage srcaddr; unsigned short srcport; diff --git a/include/linux/sunxi-rsb.h b/include/linux/sunxi-rsb.h new file mode 100644 index 000000000000..7e75bb0346d0 --- /dev/null +++ b/include/linux/sunxi-rsb.h @@ -0,0 +1,105 @@ +/* + * Allwinner Reduced Serial Bus Driver + * + * Copyright (c) 2015 Chen-Yu Tsai + * + * Author: Chen-Yu Tsai <wens@csie.org> + * + * This file is licensed under the terms of the GNU General Public + * License version 2. This program is licensed "as is" without any + * warranty of any kind, whether express or implied. + */ +#ifndef _SUNXI_RSB_H +#define _SUNXI_RSB_H + +#include <linux/device.h> +#include <linux/regmap.h> +#include <linux/types.h> + +struct sunxi_rsb; + +/** + * struct sunxi_rsb_device - Basic representation of an RSB device + * @dev: Driver model representation of the device. + * @ctrl: RSB controller managing the bus hosting this device. + * @rtaddr: This device's runtime address + * @hwaddr: This device's hardware address + */ +struct sunxi_rsb_device { + struct device dev; + struct sunxi_rsb *rsb; + int irq; + u8 rtaddr; + u16 hwaddr; +}; + +static inline struct sunxi_rsb_device *to_sunxi_rsb_device(struct device *d) +{ + return container_of(d, struct sunxi_rsb_device, dev); +} + +static inline void *sunxi_rsb_device_get_drvdata(const struct sunxi_rsb_device *rdev) +{ + return dev_get_drvdata(&rdev->dev); +} + +static inline void sunxi_rsb_device_set_drvdata(struct sunxi_rsb_device *rdev, + void *data) +{ + dev_set_drvdata(&rdev->dev, data); +} + +/** + * struct sunxi_rsb_driver - RSB slave device driver + * @driver: RSB device drivers should initialize name and owner field of + * this structure. + * @probe: binds this driver to a RSB device. + * @remove: unbinds this driver from the RSB device. + */ +struct sunxi_rsb_driver { + struct device_driver driver; + int (*probe)(struct sunxi_rsb_device *rdev); + int (*remove)(struct sunxi_rsb_device *rdev); +}; + +static inline struct sunxi_rsb_driver *to_sunxi_rsb_driver(struct device_driver *d) +{ + return container_of(d, struct sunxi_rsb_driver, driver); +} + +int sunxi_rsb_driver_register(struct sunxi_rsb_driver *rdrv); + +/** + * sunxi_rsb_driver_unregister() - unregister an RSB client driver + * @rdrv: the driver to unregister + */ +static inline void sunxi_rsb_driver_unregister(struct sunxi_rsb_driver *rdrv) +{ + if (rdrv) + driver_unregister(&rdrv->driver); +} + +#define module_sunxi_rsb_driver(__sunxi_rsb_driver) \ + module_driver(__sunxi_rsb_driver, sunxi_rsb_driver_register, \ + sunxi_rsb_driver_unregister) + +struct regmap *__devm_regmap_init_sunxi_rsb(struct sunxi_rsb_device *rdev, + const struct regmap_config *config, + struct lock_class_key *lock_key, + const char *lock_name); + +/** + * devm_regmap_init_sunxi_rsb(): Initialise managed register map + * + * @rdev: Device that will be interacted with + * @config: Configuration for register map + * + * The return value will be an ERR_PTR() on error or a valid pointer + * to a struct regmap. The regmap will be automatically freed by the + * device management code. + */ +#define devm_regmap_init_sunxi_rsb(rdev, config) \ + __regmap_lockdep_wrapper(__devm_regmap_init_sunxi_rsb, #config, \ + rdev, config) + +#endif /* _SUNXI_RSB_H */ diff --git a/include/linux/syscalls.h b/include/linux/syscalls.h index a156b82dd14c..c2b66a277e98 100644 --- a/include/linux/syscalls.h +++ b/include/linux/syscalls.h @@ -524,7 +524,7 @@ asmlinkage long sys_chown(const char __user *filename, asmlinkage long sys_lchown(const char __user *filename, uid_t user, gid_t group); asmlinkage long sys_fchown(unsigned int fd, uid_t user, gid_t group); -#ifdef CONFIG_UID16 +#ifdef CONFIG_HAVE_UID16 asmlinkage long sys_chown16(const char __user *filename, old_uid_t user, old_gid_t group); asmlinkage long sys_lchown16(const char __user *filename, diff --git a/include/linux/sysfs.h b/include/linux/sysfs.h index ea090eaf468c..c6f0f0d0e17e 100644 --- a/include/linux/sysfs.h +++ b/include/linux/sysfs.h @@ -64,10 +64,18 @@ do { \ * a new subdirectory with this name. * @is_visible: Optional: Function to return permissions associated with an * attribute of the group. Will be called repeatedly for each - * attribute in the group. Only read/write permissions as well as - * SYSFS_PREALLOC are accepted. Must return 0 if an attribute is - * not visible. The returned value will replace static permissions - * defined in struct attribute or struct bin_attribute. + * non-binary attribute in the group. Only read/write + * permissions as well as SYSFS_PREALLOC are accepted. Must + * return 0 if an attribute is not visible. The returned value + * will replace static permissions defined in struct attribute. + * @is_bin_visible: + * Optional: Function to return permissions associated with a + * binary attribute of the group. Will be called repeatedly + * for each binary attribute in the group. Only read/write + * permissions as well as SYSFS_PREALLOC are accepted. Must + * return 0 if a binary attribute is not visible. The returned + * value will replace static permissions defined in + * struct bin_attribute. * @attrs: Pointer to NULL terminated list of attributes. * @bin_attrs: Pointer to NULL terminated list of binary attributes. * Either attrs or bin_attrs or both must be provided. @@ -76,6 +84,8 @@ struct attribute_group { const char *name; umode_t (*is_visible)(struct kobject *, struct attribute *, int); + umode_t (*is_bin_visible)(struct kobject *, + struct bin_attribute *, int); struct attribute **attrs; struct bin_attribute **bin_attrs; }; diff --git a/include/linux/tcp.h b/include/linux/tcp.h index c906f4534581..b386361ba3e8 100644 --- a/include/linux/tcp.h +++ b/include/linux/tcp.h @@ -397,6 +397,13 @@ static inline void fastopen_queue_tune(struct sock *sk, int backlog) queue->fastopenq.max_qlen = min_t(unsigned int, backlog, somaxconn); } +static inline void tcp_move_syn(struct tcp_sock *tp, + struct request_sock *req) +{ + tp->saved_syn = req->saved_syn; + req->saved_syn = NULL; +} + static inline void tcp_saved_syn_free(struct tcp_sock *tp) { kfree(tp->saved_syn); diff --git a/include/linux/thermal.h b/include/linux/thermal.h index 157d366e761b..613c29bd6baf 100644 --- a/include/linux/thermal.h +++ b/include/linux/thermal.h @@ -44,9 +44,11 @@ #define THERMAL_WEIGHT_DEFAULT 0 /* Unit conversion macros */ -#define KELVIN_TO_CELSIUS(t) (long)(((long)t-2732 >= 0) ? \ - ((long)t-2732+5)/10 : ((long)t-2732-5)/10) -#define CELSIUS_TO_KELVIN(t) ((t)*10+2732) +#define DECI_KELVIN_TO_CELSIUS(t) ({ \ + long _t = (t); \ + ((_t-2732 >= 0) ? (_t-2732+5)/10 : (_t-2732-5)/10); \ +}) +#define CELSIUS_TO_DECI_KELVIN(t) ((t)*10+2732) #define DECI_KELVIN_TO_MILLICELSIUS_WITH_OFFSET(t, off) (((t) - (off)) * 100) #define DECI_KELVIN_TO_MILLICELSIUS(t) DECI_KELVIN_TO_MILLICELSIUS_WITH_OFFSET(t, 2732) #define MILLICELSIUS_TO_DECI_KELVIN_WITH_OFFSET(t, off) (((t) / 100) + (off)) @@ -436,7 +438,8 @@ static inline void thermal_zone_device_unregister( static inline int thermal_zone_bind_cooling_device( struct thermal_zone_device *tz, int trip, struct thermal_cooling_device *cdev, - unsigned long upper, unsigned long lower) + unsigned long upper, unsigned long lower, + unsigned int weight) { return -ENODEV; } static inline int thermal_zone_unbind_cooling_device( struct thermal_zone_device *tz, int trip, diff --git a/include/linux/tty.h b/include/linux/tty.h index 5b04b0a5375b..5e31f1b99037 100644 --- a/include/linux/tty.h +++ b/include/linux/tty.h @@ -607,7 +607,7 @@ extern void n_tty_inherit_ops(struct tty_ldisc_ops *ops); /* tty_audit.c */ #ifdef CONFIG_AUDIT -extern void tty_audit_add_data(struct tty_struct *tty, unsigned char *data, +extern void tty_audit_add_data(struct tty_struct *tty, const void *data, size_t size, unsigned icanon); extern void tty_audit_exit(void); extern void tty_audit_fork(struct signal_struct *sig); @@ -615,8 +615,8 @@ extern void tty_audit_tiocsti(struct tty_struct *tty, char ch); extern void tty_audit_push(struct tty_struct *tty); extern int tty_audit_push_current(void); #else -static inline void tty_audit_add_data(struct tty_struct *tty, - unsigned char *data, size_t size, unsigned icanon) +static inline void tty_audit_add_data(struct tty_struct *tty, const void *data, + size_t size, unsigned icanon) { } static inline void tty_audit_tiocsti(struct tty_struct *tty, char ch) diff --git a/include/linux/types.h b/include/linux/types.h index 70d8500bddf1..70dd3dfde631 100644 --- a/include/linux/types.h +++ b/include/linux/types.h @@ -35,7 +35,7 @@ typedef __kernel_gid16_t gid16_t; typedef unsigned long uintptr_t; -#ifdef CONFIG_UID16 +#ifdef CONFIG_HAVE_UID16 /* This is defined by include/asm-{arch}/posix_types.h */ typedef __kernel_old_uid_t old_uid_t; typedef __kernel_old_gid_t old_gid_t; diff --git a/include/linux/usb/gadget_configfs.h b/include/linux/usb/gadget_configfs.h index d74c0ae989d5..c36e95730de1 100644 --- a/include/linux/usb/gadget_configfs.h +++ b/include/linux/usb/gadget_configfs.h @@ -7,9 +7,10 @@ int check_user_usb_string(const char *name, struct usb_gadget_strings *stringtab_dev); #define GS_STRINGS_W(__struct, __name) \ - static ssize_t __struct##_##__name##_store(struct __struct *gs, \ +static ssize_t __struct##_##__name##_store(struct config_item *item, \ const char *page, size_t len) \ { \ + struct __struct *gs = to_##__struct(item); \ int ret; \ \ ret = usb_string_copy(page, &gs->__name); \ @@ -19,30 +20,20 @@ int check_user_usb_string(const char *name, } #define GS_STRINGS_R(__struct, __name) \ - static ssize_t __struct##_##__name##_show(struct __struct *gs, \ - char *page) \ +static ssize_t __struct##_##__name##_show(struct config_item *item, char *page) \ { \ + struct __struct *gs = to_##__struct(item); \ return sprintf(page, "%s\n", gs->__name ?: ""); \ } -#define GS_STRING_ITEM_ATTR(struct_name, name) \ - static struct struct_name##_attribute struct_name##_##name = \ - __CONFIGFS_ATTR(name, S_IRUGO | S_IWUSR, \ - struct_name##_##name##_show, \ - struct_name##_##name##_store) - #define GS_STRINGS_RW(struct_name, _name) \ GS_STRINGS_R(struct_name, _name) \ GS_STRINGS_W(struct_name, _name) \ - GS_STRING_ITEM_ATTR(struct_name, _name) + CONFIGFS_ATTR(struct_name##_, _name) #define USB_CONFIG_STRING_RW_OPS(struct_in) \ - CONFIGFS_ATTR_OPS(struct_in); \ - \ static struct configfs_item_operations struct_in##_langid_item_ops = { \ .release = struct_in##_attr_release, \ - .show_attribute = struct_in##_attr_show, \ - .store_attribute = struct_in##_attr_store, \ }; \ \ static struct config_item_type struct_in##_langid_type = { \ diff --git a/include/linux/vfio.h b/include/linux/vfio.h index ddb440975382..610a86a892b8 100644 --- a/include/linux/vfio.h +++ b/include/linux/vfio.h @@ -44,6 +44,9 @@ struct vfio_device_ops { void (*request)(void *device_data, unsigned int count); }; +extern struct iommu_group *vfio_iommu_group_get(struct device *dev); +extern void vfio_iommu_group_put(struct iommu_group *group, struct device *dev); + extern int vfio_add_group_dev(struct device *dev, const struct vfio_device_ops *ops, void *device_data); diff --git a/include/linux/vga_switcheroo.h b/include/linux/vga_switcheroo.h index b483abd34493..69e1d4a1f1b3 100644 --- a/include/linux/vga_switcheroo.h +++ b/include/linux/vga_switcheroo.h @@ -1,10 +1,31 @@ /* + * vga_switcheroo.h - Support for laptop with dual GPU using one set of outputs + * * Copyright (c) 2010 Red Hat Inc. * Author : Dave Airlie <airlied@redhat.com> * - * Licensed under GPLv2 + * Copyright (c) 2015 Lukas Wunner <lukas@wunner.de> + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS + * IN THE SOFTWARE. * - * vga_switcheroo.h - Support for laptop with dual GPU using one set of outputs */ #ifndef _LINUX_VGA_SWITCHEROO_H_ @@ -14,28 +35,85 @@ struct pci_dev; +/** + * enum vga_switcheroo_state - client power state + * @VGA_SWITCHEROO_OFF: off + * @VGA_SWITCHEROO_ON: on + * @VGA_SWITCHEROO_NOT_FOUND: client has not registered with vga_switcheroo. + * Only used in vga_switcheroo_get_client_state() which in turn is only + * called from hda_intel.c + * + * Client power state. + */ enum vga_switcheroo_state { VGA_SWITCHEROO_OFF, VGA_SWITCHEROO_ON, /* below are referred only from vga_switcheroo_get_client_state() */ - VGA_SWITCHEROO_INIT, VGA_SWITCHEROO_NOT_FOUND, }; +/** + * enum vga_switcheroo_client_id - client identifier + * @VGA_SWITCHEROO_UNKNOWN_ID: initial identifier assigned to vga clients. + * Determining the id requires the handler, so GPUs are given their + * true id in a delayed fashion in vga_switcheroo_enable() + * @VGA_SWITCHEROO_IGD: integrated graphics device + * @VGA_SWITCHEROO_DIS: discrete graphics device + * @VGA_SWITCHEROO_MAX_CLIENTS: currently no more than two GPUs are supported + * + * Client identifier. Audio clients use the same identifier & 0x100. + */ enum vga_switcheroo_client_id { + VGA_SWITCHEROO_UNKNOWN_ID = -1, VGA_SWITCHEROO_IGD, VGA_SWITCHEROO_DIS, VGA_SWITCHEROO_MAX_CLIENTS, }; +/** + * struct vga_switcheroo_handler - handler callbacks + * @init: initialize handler. + * Optional. This gets called when vga_switcheroo is enabled, i.e. when + * two vga clients have registered. It allows the handler to perform + * some delayed initialization that depends on the existence of the + * vga clients. Currently only the radeon and amdgpu drivers use this. + * The return value is ignored + * @switchto: switch outputs to given client. + * Mandatory. For muxless machines this should be a no-op. Returning 0 + * denotes success, anything else failure (in which case the switch is + * aborted) + * @power_state: cut or reinstate power of given client. + * Optional. The return value is ignored + * @get_client_id: determine if given pci device is integrated or discrete GPU. + * Mandatory + * + * Handler callbacks. The multiplexer itself. The @switchto and @get_client_id + * methods are mandatory, all others may be set to NULL. + */ struct vga_switcheroo_handler { + int (*init)(void); int (*switchto)(enum vga_switcheroo_client_id id); int (*power_state)(enum vga_switcheroo_client_id id, enum vga_switcheroo_state state); - int (*init)(void); - int (*get_client_id)(struct pci_dev *pdev); + enum vga_switcheroo_client_id (*get_client_id)(struct pci_dev *pdev); }; +/** + * struct vga_switcheroo_client_ops - client callbacks + * @set_gpu_state: do the equivalent of suspend/resume for the card. + * Mandatory. This should not cut power to the discrete GPU, + * which is the job of the handler + * @reprobe: poll outputs. + * Optional. This gets called after waking the GPU and switching + * the outputs to it + * @can_switch: check if the device is in a position to switch now. + * Mandatory. The client should return false if a user space process + * has one of its device files open + * + * Client callbacks. A client can be either a GPU or an audio device on a GPU. + * The @set_gpu_state and @can_switch methods are mandatory, @reprobe may be + * set to NULL. For audio clients, the @reprobe member is bogus. + */ struct vga_switcheroo_client_ops { void (*set_gpu_state)(struct pci_dev *dev, enum vga_switcheroo_state); void (*reprobe)(struct pci_dev *dev); @@ -49,17 +127,17 @@ int vga_switcheroo_register_client(struct pci_dev *dev, bool driver_power_control); int vga_switcheroo_register_audio_client(struct pci_dev *pdev, const struct vga_switcheroo_client_ops *ops, - int id, bool active); + enum vga_switcheroo_client_id id); void vga_switcheroo_client_fb_set(struct pci_dev *dev, struct fb_info *info); -int vga_switcheroo_register_handler(struct vga_switcheroo_handler *handler); +int vga_switcheroo_register_handler(const struct vga_switcheroo_handler *handler); void vga_switcheroo_unregister_handler(void); int vga_switcheroo_process_delayed_switch(void); -int vga_switcheroo_get_client_state(struct pci_dev *dev); +enum vga_switcheroo_state vga_switcheroo_get_client_state(struct pci_dev *dev); void vga_switcheroo_set_dynamic_switch(struct pci_dev *pdev, enum vga_switcheroo_state dynamic); @@ -72,13 +150,13 @@ static inline void vga_switcheroo_unregister_client(struct pci_dev *dev) {} static inline int vga_switcheroo_register_client(struct pci_dev *dev, const struct vga_switcheroo_client_ops *ops, bool driver_power_control) { return 0; } static inline void vga_switcheroo_client_fb_set(struct pci_dev *dev, struct fb_info *info) {} -static inline int vga_switcheroo_register_handler(struct vga_switcheroo_handler *handler) { return 0; } +static inline int vga_switcheroo_register_handler(const struct vga_switcheroo_handler *handler) { return 0; } static inline int vga_switcheroo_register_audio_client(struct pci_dev *pdev, const struct vga_switcheroo_client_ops *ops, - int id, bool active) { return 0; } + enum vga_switcheroo_client_id id) { return 0; } static inline void vga_switcheroo_unregister_handler(void) {} static inline int vga_switcheroo_process_delayed_switch(void) { return 0; } -static inline int vga_switcheroo_get_client_state(struct pci_dev *dev) { return VGA_SWITCHEROO_ON; } +static inline enum vga_switcheroo_state vga_switcheroo_get_client_state(struct pci_dev *dev) { return VGA_SWITCHEROO_ON; } static inline void vga_switcheroo_set_dynamic_switch(struct pci_dev *pdev, enum vga_switcheroo_state dynamic) {} diff --git a/include/linux/watchdog.h b/include/linux/watchdog.h index d74a0e907b9e..027b1f43f12d 100644 --- a/include/linux/watchdog.h +++ b/include/linux/watchdog.h @@ -24,8 +24,8 @@ struct watchdog_device; * @stop: The routine for stopping the watchdog device. * @ping: The routine that sends a keepalive ping to the watchdog device. * @status: The routine that shows the status of the watchdog device. - * @set_timeout:The routine for setting the watchdog devices timeout value. - * @get_timeleft:The routine that get's the time that's left before a reset. + * @set_timeout:The routine for setting the watchdog devices timeout value (in seconds). + * @get_timeleft:The routine that gets the time left before a reset (in seconds). * @ref: The ref operation for dyn. allocated watchdog_device structs * @unref: The unref operation for dyn. allocated watchdog_device structs * @ioctl: The routines that handles extra ioctl calls. @@ -33,7 +33,7 @@ struct watchdog_device; * The watchdog_ops structure contains a list of low-level operations * that control a watchdog device. It also contains the module that owns * these operations. The start and stop function are mandatory, all other - * functions are optonal. + * functions are optional. */ struct watchdog_ops { struct module *owner; @@ -59,9 +59,9 @@ struct watchdog_ops { * @info: Pointer to a watchdog_info structure. * @ops: Pointer to the list of watchdog operations. * @bootstatus: Status of the watchdog device at boot. - * @timeout: The watchdog devices timeout value. - * @min_timeout:The watchdog devices minimum timeout value. - * @max_timeout:The watchdog devices maximum timeout value. + * @timeout: The watchdog devices timeout value (in seconds). + * @min_timeout:The watchdog devices minimum timeout value (in seconds). + * @max_timeout:The watchdog devices maximum timeout value (in seconds). * @driver-data:Pointer to the drivers private data. * @lock: Lock for watchdog core internal use only. * @status: Field that contains the devices internal status bits. @@ -119,8 +119,15 @@ static inline void watchdog_set_nowayout(struct watchdog_device *wdd, bool noway /* Use the following function to check if a timeout value is invalid */ static inline bool watchdog_timeout_invalid(struct watchdog_device *wdd, unsigned int t) { - return ((wdd->max_timeout != 0) && - (t < wdd->min_timeout || t > wdd->max_timeout)); + /* + * The timeout is invalid if + * - the requested value is smaller than the configured minimum timeout, + * or + * - a maximum timeout is configured, and the requested value is larger + * than the maximum timeout. + */ + return t < wdd->min_timeout || + (wdd->max_timeout && t > wdd->max_timeout); } /* Use the following functions to manipulate watchdog driver specific data */ diff --git a/include/linux/xattr.h b/include/linux/xattr.h index 91b0a68d38dc..89474b9d260c 100644 --- a/include/linux/xattr.h +++ b/include/linux/xattr.h @@ -21,15 +21,19 @@ struct dentry; struct xattr_handler { const char *prefix; - int flags; /* fs private flags passed back to the handlers */ - size_t (*list)(struct dentry *dentry, char *list, size_t list_size, - const char *name, size_t name_len, int handler_flags); - int (*get)(struct dentry *dentry, const char *name, void *buffer, - size_t size, int handler_flags); - int (*set)(struct dentry *dentry, const char *name, const void *buffer, - size_t size, int flags, int handler_flags); + int flags; /* fs private flags */ + size_t (*list)(const struct xattr_handler *, struct dentry *dentry, + char *list, size_t list_size, const char *name, + size_t name_len); + int (*get)(const struct xattr_handler *, struct dentry *dentry, + const char *name, void *buffer, size_t size); + int (*set)(const struct xattr_handler *, struct dentry *dentry, + const char *name, const void *buffer, size_t size, + int flags); }; +const char *xattr_full_name(const struct xattr_handler *, const char *); + struct xattr { const char *name; void *value; diff --git a/include/linux/zpool.h b/include/linux/zpool.h index 42f8ec992452..2e97b7707dff 100644 --- a/include/linux/zpool.h +++ b/include/linux/zpool.h @@ -38,10 +38,10 @@ enum zpool_mapmode { bool zpool_has_pool(char *type); -struct zpool *zpool_create_pool(char *type, char *name, +struct zpool *zpool_create_pool(const char *type, const char *name, gfp_t gfp, const struct zpool_ops *ops); -char *zpool_get_type(struct zpool *pool); +const char *zpool_get_type(struct zpool *pool); void zpool_destroy_pool(struct zpool *pool); @@ -83,7 +83,9 @@ struct zpool_driver { atomic_t refcount; struct list_head list; - void *(*create)(char *name, gfp_t gfp, const struct zpool_ops *ops, + void *(*create)(const char *name, + gfp_t gfp, + const struct zpool_ops *ops, struct zpool *zpool); void (*destroy)(void *pool); diff --git a/include/linux/zsmalloc.h b/include/linux/zsmalloc.h index 6398dfae53f1..34eb16098a33 100644 --- a/include/linux/zsmalloc.h +++ b/include/linux/zsmalloc.h @@ -41,7 +41,7 @@ struct zs_pool_stats { struct zs_pool; -struct zs_pool *zs_create_pool(char *name, gfp_t flags); +struct zs_pool *zs_create_pool(const char *name, gfp_t flags); void zs_destroy_pool(struct zs_pool *pool); unsigned long zs_malloc(struct zs_pool *pool, size_t size); diff --git a/include/linux/zutil.h b/include/linux/zutil.h index 6adfa9a6ffe9..663689521759 100644 --- a/include/linux/zutil.h +++ b/include/linux/zutil.h @@ -68,10 +68,10 @@ typedef uLong (*check_func) (uLong check, const Byte *buf, An Adler-32 checksum is almost as reliable as a CRC32 but can be computed much faster. Usage example: - uLong adler = adler32(0L, NULL, 0); + uLong adler = zlib_adler32(0L, NULL, 0); while (read_buffer(buffer, length) != EOF) { - adler = adler32(adler, buffer, length); + adler = zlib_adler32(adler, buffer, length); } if (adler != original_adler) error(); */ diff --git a/include/net/bluetooth/l2cap.h b/include/net/bluetooth/l2cap.h index c98afc08cc26..52899291f401 100644 --- a/include/net/bluetooth/l2cap.h +++ b/include/net/bluetooth/l2cap.h @@ -275,6 +275,8 @@ struct l2cap_conn_rsp { #define L2CAP_CR_AUTHORIZATION 0x0006 #define L2CAP_CR_BAD_KEY_SIZE 0x0007 #define L2CAP_CR_ENCRYPTION 0x0008 +#define L2CAP_CR_INVALID_SCID 0x0009 +#define L2CAP_CR_SCID_IN_USE 0x0010 /* connect/create channel status */ #define L2CAP_CS_NO_INFO 0x0000 diff --git a/include/net/dst_metadata.h b/include/net/dst_metadata.h index ce009710120c..6816f0fa5693 100644 --- a/include/net/dst_metadata.h +++ b/include/net/dst_metadata.h @@ -63,12 +63,13 @@ static inline struct metadata_dst *tun_rx_dst(int md_size) static inline struct metadata_dst *tun_dst_unclone(struct sk_buff *skb) { struct metadata_dst *md_dst = skb_metadata_dst(skb); - int md_size = md_dst->u.tun_info.options_len; + int md_size; struct metadata_dst *new_md; if (!md_dst) return ERR_PTR(-EINVAL); + md_size = md_dst->u.tun_info.options_len; new_md = metadata_dst_alloc(md_size, GFP_ATOMIC); if (!new_md) return ERR_PTR(-ENOMEM); diff --git a/include/net/inet_sock.h b/include/net/inet_sock.h index f5bf7310e334..2134e6d815bc 100644 --- a/include/net/inet_sock.h +++ b/include/net/inet_sock.h @@ -210,6 +210,18 @@ struct inet_sock { #define IP_CMSG_ORIGDSTADDR BIT(6) #define IP_CMSG_CHECKSUM BIT(7) +/* SYNACK messages might be attached to request sockets. + * Some places want to reach the listener in this case. + */ +static inline struct sock *skb_to_full_sk(const struct sk_buff *skb) +{ + struct sock *sk = skb->sk; + + if (sk && sk->sk_state == TCP_NEW_SYN_RECV) + sk = inet_reqsk(sk)->rsk_listener; + return sk; +} + static inline struct inet_sock *inet_sk(const struct sock *sk) { return (struct inet_sock *)sk; diff --git a/include/net/ip6_fib.h b/include/net/ip6_fib.h index aaf9700fc9e5..fb961a576abe 100644 --- a/include/net/ip6_fib.h +++ b/include/net/ip6_fib.h @@ -167,7 +167,8 @@ static inline void rt6_update_expires(struct rt6_info *rt0, int timeout) static inline u32 rt6_get_cookie(const struct rt6_info *rt) { - if (rt->rt6i_flags & RTF_PCPU || unlikely(rt->dst.flags & DST_NOCACHE)) + if (rt->rt6i_flags & RTF_PCPU || + (unlikely(rt->dst.flags & DST_NOCACHE) && rt->dst.from)) rt = (struct rt6_info *)(rt->dst.from); return rt->rt6i_node ? rt->rt6i_node->fn_sernum : 0; diff --git a/include/net/ip6_tunnel.h b/include/net/ip6_tunnel.h index aaee6fa02cf1..ff788b665277 100644 --- a/include/net/ip6_tunnel.h +++ b/include/net/ip6_tunnel.h @@ -90,11 +90,12 @@ static inline void ip6tunnel_xmit(struct sock *sk, struct sk_buff *skb, err = ip6_local_out(dev_net(skb_dst(skb)->dev), sk, skb); if (net_xmit_eval(err) == 0) { - struct pcpu_sw_netstats *tstats = this_cpu_ptr(dev->tstats); + struct pcpu_sw_netstats *tstats = get_cpu_ptr(dev->tstats); u64_stats_update_begin(&tstats->syncp); tstats->tx_bytes += pkt_len; tstats->tx_packets++; u64_stats_update_end(&tstats->syncp); + put_cpu_ptr(tstats); } else { stats->tx_errors++; stats->tx_aborted_errors++; diff --git a/include/net/ip_tunnels.h b/include/net/ip_tunnels.h index f6dafec9102c..62a750a6a8f8 100644 --- a/include/net/ip_tunnels.h +++ b/include/net/ip_tunnels.h @@ -287,12 +287,13 @@ static inline void iptunnel_xmit_stats(int err, struct pcpu_sw_netstats __percpu *stats) { if (err > 0) { - struct pcpu_sw_netstats *tstats = this_cpu_ptr(stats); + struct pcpu_sw_netstats *tstats = get_cpu_ptr(stats); u64_stats_update_begin(&tstats->syncp); tstats->tx_bytes += err; tstats->tx_packets++; u64_stats_update_end(&tstats->syncp); + put_cpu_ptr(tstats); } else if (err < 0) { err_stats->tx_errors++; err_stats->tx_aborted_errors++; diff --git a/include/net/netfilter/nf_tables.h b/include/net/netfilter/nf_tables.h index c9149cc0a02d..4bd7508bedc9 100644 --- a/include/net/netfilter/nf_tables.h +++ b/include/net/netfilter/nf_tables.h @@ -618,6 +618,8 @@ struct nft_expr_ops { void (*eval)(const struct nft_expr *expr, struct nft_regs *regs, const struct nft_pktinfo *pkt); + int (*clone)(struct nft_expr *dst, + const struct nft_expr *src); unsigned int size; int (*init)(const struct nft_ctx *ctx, @@ -660,10 +662,20 @@ void nft_expr_destroy(const struct nft_ctx *ctx, struct nft_expr *expr); int nft_expr_dump(struct sk_buff *skb, unsigned int attr, const struct nft_expr *expr); -static inline void nft_expr_clone(struct nft_expr *dst, struct nft_expr *src) +static inline int nft_expr_clone(struct nft_expr *dst, struct nft_expr *src) { + int err; + __module_get(src->ops->type->owner); - memcpy(dst, src, src->ops->size); + if (src->ops->clone) { + dst->ops = src->ops; + err = src->ops->clone(dst, src); + if (err < 0) + return err; + } else { + memcpy(dst, src, src->ops->size); + } + return 0; } /** diff --git a/include/net/sock.h b/include/net/sock.h index f570e75e3da9..7f89e4ba18d1 100644 --- a/include/net/sock.h +++ b/include/net/sock.h @@ -2041,7 +2041,7 @@ struct sk_buff *sk_stream_alloc_skb(struct sock *sk, int size, gfp_t gfp, */ static inline struct page_frag *sk_page_frag(struct sock *sk) { - if (sk->sk_allocation & __GFP_WAIT) + if (gfpflags_allow_blocking(sk->sk_allocation)) return ¤t->task_frag; return &sk->sk_frag; @@ -2226,6 +2226,31 @@ static inline bool sk_listener(const struct sock *sk) return (1 << sk->sk_state) & (TCPF_LISTEN | TCPF_NEW_SYN_RECV); } +/** + * sk_state_load - read sk->sk_state for lockless contexts + * @sk: socket pointer + * + * Paired with sk_state_store(). Used in places we do not hold socket lock : + * tcp_diag_get_info(), tcp_get_info(), tcp_poll(), get_tcp4_sock() ... + */ +static inline int sk_state_load(const struct sock *sk) +{ + return smp_load_acquire(&sk->sk_state); +} + +/** + * sk_state_store - update sk->sk_state + * @sk: socket pointer + * @newstate: new state + * + * Paired with sk_state_load(). Should be used in contexts where + * state change might impact lockless readers. + */ +static inline void sk_state_store(struct sock *sk, int newstate) +{ + smp_store_release(&sk->sk_state, newstate); +} + void sock_enable_timestamp(struct sock *sk, int flag); int sock_get_timestamp(struct sock *, struct timeval __user *); int sock_get_timestampns(struct sock *, struct timespec __user *); diff --git a/include/net/switchdev.h b/include/net/switchdev.h index bc865e244efe..1d22ce9f352e 100644 --- a/include/net/switchdev.h +++ b/include/net/switchdev.h @@ -323,7 +323,7 @@ static inline int switchdev_port_fdb_dump(struct sk_buff *skb, struct net_device *filter_dev, int idx) { - return -EOPNOTSUPP; + return idx; } static inline void switchdev_port_fwd_mark_set(struct net_device *dev, diff --git a/include/rdma/ib_addr.h b/include/rdma/ib_addr.h index fde33ac6b58a..11528591d0d7 100644 --- a/include/rdma/ib_addr.h +++ b/include/rdma/ib_addr.h @@ -47,6 +47,7 @@ #include <rdma/ib_verbs.h> #include <rdma/ib_pack.h> #include <net/ipv6.h> +#include <net/net_namespace.h> struct rdma_addr_client { atomic_t refcount; @@ -64,6 +65,16 @@ void rdma_addr_register_client(struct rdma_addr_client *client); */ void rdma_addr_unregister_client(struct rdma_addr_client *client); +/** + * struct rdma_dev_addr - Contains resolved RDMA hardware addresses + * @src_dev_addr: Source MAC address. + * @dst_dev_addr: Destination MAC address. + * @broadcast: Broadcast address of the device. + * @dev_type: The interface hardware type of the device. + * @bound_dev_if: An optional device interface index. + * @transport: The transport type used. + * @net: Network namespace containing the bound_dev_if net_dev. + */ struct rdma_dev_addr { unsigned char src_dev_addr[MAX_ADDR_LEN]; unsigned char dst_dev_addr[MAX_ADDR_LEN]; @@ -71,11 +82,14 @@ struct rdma_dev_addr { unsigned short dev_type; int bound_dev_if; enum rdma_transport_type transport; + struct net *net; }; /** * rdma_translate_ip - Translate a local IP address to an RDMA hardware * address. + * + * The dev_addr->net field must be initialized. */ int rdma_translate_ip(struct sockaddr *addr, struct rdma_dev_addr *dev_addr, u16 *vlan_id); @@ -90,7 +104,7 @@ int rdma_translate_ip(struct sockaddr *addr, struct rdma_dev_addr *dev_addr, * @dst_addr: The destination address to resolve. * @addr: A reference to a data location that will receive the resolved * addresses. The data location must remain valid until the callback has - * been invoked. + * been invoked. The net field of the addr struct must be valid. * @timeout_ms: Amount of time to wait for the address resolution to complete. * @callback: Call invoked once address resolution has completed, timed out, * or been canceled. A status of 0 indicates success. @@ -112,7 +126,7 @@ int rdma_addr_size(struct sockaddr *addr); int rdma_addr_find_smac_by_sgid(union ib_gid *sgid, u8 *smac, u16 *vlan_id); int rdma_addr_find_dmac_by_grh(const union ib_gid *sgid, const union ib_gid *dgid, - u8 *smac, u16 *vlan_id); + u8 *smac, u16 *vlan_id, int if_index); static inline u16 ib_addr_get_pkey(struct rdma_dev_addr *dev_addr) { diff --git a/include/rdma/ib_cache.h b/include/rdma/ib_cache.h index bd92130f4ac5..269a27cf0a46 100644 --- a/include/rdma/ib_cache.h +++ b/include/rdma/ib_cache.h @@ -43,6 +43,8 @@ * @port_num: The port number of the device to query. * @index: The index into the cached GID table to query. * @gid: The GID value found at the specified index. + * @attr: The GID attribute found at the specified index (only in RoCE). + * NULL means ignore (output parameter). * * ib_get_cached_gid() fetches the specified GID table entry stored in * the local software cache. @@ -50,13 +52,15 @@ int ib_get_cached_gid(struct ib_device *device, u8 port_num, int index, - union ib_gid *gid); + union ib_gid *gid, + struct ib_gid_attr *attr); /** * ib_find_cached_gid - Returns the port number and GID table index where * a specified GID value occurs. * @device: The device to query. * @gid: The GID value to search for. + * @ndev: In RoCE, the net device of the device. NULL means ignore. * @port_num: The port number of the device where the GID value was found. * @index: The index into the cached GID table where the GID was found. This * parameter may be NULL. @@ -64,12 +68,40 @@ int ib_get_cached_gid(struct ib_device *device, * ib_find_cached_gid() searches for the specified GID value in * the local software cache. */ -int ib_find_cached_gid(struct ib_device *device, +int ib_find_cached_gid(struct ib_device *device, const union ib_gid *gid, - u8 *port_num, - u16 *index); + struct net_device *ndev, + u8 *port_num, + u16 *index); /** + * ib_find_cached_gid_by_port - Returns the GID table index where a specified + * GID value occurs + * @device: The device to query. + * @gid: The GID value to search for. + * @port_num: The port number of the device where the GID value sould be + * searched. + * @ndev: In RoCE, the net device of the device. Null means ignore. + * @index: The index into the cached GID table where the GID was found. This + * parameter may be NULL. + * + * ib_find_cached_gid() searches for the specified GID value in + * the local software cache. + */ +int ib_find_cached_gid_by_port(struct ib_device *device, + const union ib_gid *gid, + u8 port_num, + struct net_device *ndev, + u16 *index); + +int ib_find_gid_by_filter(struct ib_device *device, + const union ib_gid *gid, + u8 port_num, + bool (*filter)(const union ib_gid *gid, + const struct ib_gid_attr *, + void *), + void *context, u16 *index); +/** * ib_get_cached_pkey - Returns a cached PKey table entry * @device: The device to query. * @port_num: The port number of the device to query. diff --git a/include/rdma/ib_pack.h b/include/rdma/ib_pack.h index 709a5331e6b9..e99d8f9a4551 100644 --- a/include/rdma/ib_pack.h +++ b/include/rdma/ib_pack.h @@ -76,7 +76,7 @@ enum { IB_OPCODE_UC = 0x20, IB_OPCODE_RD = 0x40, IB_OPCODE_UD = 0x60, - /* per IBTA 3.1 Table 38, A10.3.2 */ + /* per IBTA 1.3 vol 1 Table 38, A10.3.2 */ IB_OPCODE_CNP = 0x80, /* operations -- just used to define real constants */ diff --git a/include/rdma/ib_sa.h b/include/rdma/ib_sa.h index 7e071a6abb34..301969552d0a 100644 --- a/include/rdma/ib_sa.h +++ b/include/rdma/ib_sa.h @@ -39,6 +39,7 @@ #include <linux/compiler.h> #include <linux/atomic.h> +#include <linux/netdevice.h> #include <rdma/ib_verbs.h> #include <rdma/ib_mad.h> @@ -154,11 +155,18 @@ struct ib_sa_path_rec { u8 packet_life_time_selector; u8 packet_life_time; u8 preference; - u8 smac[ETH_ALEN]; u8 dmac[ETH_ALEN]; - u16 vlan_id; + /* ignored in IB */ + int ifindex; + /* ignored in IB */ + struct net *net; }; +static inline struct net_device *ib_get_ndev_from_path(struct ib_sa_path_rec *rec) +{ + return rec->net ? dev_get_by_index(rec->net, rec->ifindex) : NULL; +} + #define IB_SA_MCMEMBER_REC_MGID IB_SA_COMP_MASK( 0) #define IB_SA_MCMEMBER_REC_PORT_GID IB_SA_COMP_MASK( 1) #define IB_SA_MCMEMBER_REC_QKEY IB_SA_COMP_MASK( 2) diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h index 7845fae6f2df..9a68a19532ba 100644 --- a/include/rdma/ib_verbs.h +++ b/include/rdma/ib_verbs.h @@ -137,6 +137,8 @@ enum ib_device_cap_flags { IB_DEVICE_BLOCK_MULTICAST_LOOPBACK = (1<<22), IB_DEVICE_MEM_WINDOW_TYPE_2A = (1<<23), IB_DEVICE_MEM_WINDOW_TYPE_2B = (1<<24), + IB_DEVICE_RC_IP_CSUM = (1<<25), + IB_DEVICE_RAW_IP_CSUM = (1<<26), IB_DEVICE_MANAGED_FLOW_STEERING = (1<<29), IB_DEVICE_SIGNATURE_HANDOVER = (1<<30), IB_DEVICE_ON_DEMAND_PAGING = (1<<31), @@ -474,7 +476,7 @@ enum ib_event_type { IB_EVENT_GID_CHANGE, }; -__attribute_const__ const char *ib_event_msg(enum ib_event_type event); +const char *__attribute_const__ ib_event_msg(enum ib_event_type event); struct ib_event { struct ib_device *device; @@ -697,7 +699,6 @@ struct ib_ah_attr { u8 ah_flags; u8 port_num; u8 dmac[ETH_ALEN]; - u16 vlan_id; }; enum ib_wc_status { @@ -725,7 +726,7 @@ enum ib_wc_status { IB_WC_GENERAL_ERR }; -__attribute_const__ const char *ib_wc_status_msg(enum ib_wc_status status); +const char *__attribute_const__ ib_wc_status_msg(enum ib_wc_status status); enum ib_wc_opcode { IB_WC_SEND, @@ -736,7 +737,7 @@ enum ib_wc_opcode { IB_WC_BIND_MW, IB_WC_LSO, IB_WC_LOCAL_INV, - IB_WC_FAST_REG_MR, + IB_WC_REG_MR, IB_WC_MASKED_COMP_SWAP, IB_WC_MASKED_FETCH_ADD, /* @@ -873,7 +874,6 @@ enum ib_qp_create_flags { IB_QP_CREATE_RESERVED_END = 1 << 31, }; - /* * Note: users may not call ib_close_qp or ib_destroy_qp from the event_handler * callback to destroy the passed in QP. @@ -957,10 +957,10 @@ enum ib_qp_attr_mask { IB_QP_PATH_MIG_STATE = (1<<18), IB_QP_CAP = (1<<19), IB_QP_DEST_QPN = (1<<20), - IB_QP_SMAC = (1<<21), - IB_QP_ALT_SMAC = (1<<22), - IB_QP_VID = (1<<23), - IB_QP_ALT_VID = (1<<24), + IB_QP_RESERVED1 = (1<<21), + IB_QP_RESERVED2 = (1<<22), + IB_QP_RESERVED3 = (1<<23), + IB_QP_RESERVED4 = (1<<24), }; enum ib_qp_state { @@ -1010,10 +1010,6 @@ struct ib_qp_attr { u8 rnr_retry; u8 alt_port_num; u8 alt_timeout; - u8 smac[ETH_ALEN]; - u8 alt_smac[ETH_ALEN]; - u16 vlan_id; - u16 alt_vlan_id; }; enum ib_wr_opcode { @@ -1028,7 +1024,7 @@ enum ib_wr_opcode { IB_WR_SEND_WITH_INV, IB_WR_RDMA_READ_WITH_INV, IB_WR_LOCAL_INV, - IB_WR_FAST_REG_MR, + IB_WR_REG_MR, IB_WR_MASKED_ATOMIC_CMP_AND_SWP, IB_WR_MASKED_ATOMIC_FETCH_AND_ADD, IB_WR_BIND_MW, @@ -1066,12 +1062,6 @@ struct ib_sge { u32 lkey; }; -struct ib_fast_reg_page_list { - struct ib_device *device; - u64 *page_list; - unsigned int max_page_list_len; -}; - /** * struct ib_mw_bind_info - Parameters for a memory window bind operation. * @mr: A memory region to bind the memory window to. @@ -1100,54 +1090,89 @@ struct ib_send_wr { __be32 imm_data; u32 invalidate_rkey; } ex; - union { - struct { - u64 remote_addr; - u32 rkey; - } rdma; - struct { - u64 remote_addr; - u64 compare_add; - u64 swap; - u64 compare_add_mask; - u64 swap_mask; - u32 rkey; - } atomic; - struct { - struct ib_ah *ah; - void *header; - int hlen; - int mss; - u32 remote_qpn; - u32 remote_qkey; - u16 pkey_index; /* valid for GSI only */ - u8 port_num; /* valid for DR SMPs on switch only */ - } ud; - struct { - u64 iova_start; - struct ib_fast_reg_page_list *page_list; - unsigned int page_shift; - unsigned int page_list_len; - u32 length; - int access_flags; - u32 rkey; - } fast_reg; - struct { - struct ib_mw *mw; - /* The new rkey for the memory window. */ - u32 rkey; - struct ib_mw_bind_info bind_info; - } bind_mw; - struct { - struct ib_sig_attrs *sig_attrs; - struct ib_mr *sig_mr; - int access_flags; - struct ib_sge *prot; - } sig_handover; - } wr; - u32 xrc_remote_srq_num; /* XRC TGT QPs only */ }; +struct ib_rdma_wr { + struct ib_send_wr wr; + u64 remote_addr; + u32 rkey; +}; + +static inline struct ib_rdma_wr *rdma_wr(struct ib_send_wr *wr) +{ + return container_of(wr, struct ib_rdma_wr, wr); +} + +struct ib_atomic_wr { + struct ib_send_wr wr; + u64 remote_addr; + u64 compare_add; + u64 swap; + u64 compare_add_mask; + u64 swap_mask; + u32 rkey; +}; + +static inline struct ib_atomic_wr *atomic_wr(struct ib_send_wr *wr) +{ + return container_of(wr, struct ib_atomic_wr, wr); +} + +struct ib_ud_wr { + struct ib_send_wr wr; + struct ib_ah *ah; + void *header; + int hlen; + int mss; + u32 remote_qpn; + u32 remote_qkey; + u16 pkey_index; /* valid for GSI only */ + u8 port_num; /* valid for DR SMPs on switch only */ +}; + +static inline struct ib_ud_wr *ud_wr(struct ib_send_wr *wr) +{ + return container_of(wr, struct ib_ud_wr, wr); +} + +struct ib_reg_wr { + struct ib_send_wr wr; + struct ib_mr *mr; + u32 key; + int access; +}; + +static inline struct ib_reg_wr *reg_wr(struct ib_send_wr *wr) +{ + return container_of(wr, struct ib_reg_wr, wr); +} + +struct ib_bind_mw_wr { + struct ib_send_wr wr; + struct ib_mw *mw; + /* The new rkey for the memory window. */ + u32 rkey; + struct ib_mw_bind_info bind_info; +}; + +static inline struct ib_bind_mw_wr *bind_mw_wr(struct ib_send_wr *wr) +{ + return container_of(wr, struct ib_bind_mw_wr, wr); +} + +struct ib_sig_handover_wr { + struct ib_send_wr wr; + struct ib_sig_attrs *sig_attrs; + struct ib_mr *sig_mr; + int access_flags; + struct ib_sge *prot; +}; + +static inline struct ib_sig_handover_wr *sig_handover_wr(struct ib_send_wr *wr) +{ + return container_of(wr, struct ib_sig_handover_wr, wr); +} + struct ib_recv_wr { struct ib_recv_wr *next; u64 wr_id; @@ -1334,6 +1359,9 @@ struct ib_mr { struct ib_uobject *uobject; u32 lkey; u32 rkey; + u64 iova; + u32 length; + unsigned int page_size; atomic_t usecnt; /* count number of MWs */ }; @@ -1718,9 +1746,9 @@ struct ib_device { struct ib_mr * (*alloc_mr)(struct ib_pd *pd, enum ib_mr_type mr_type, u32 max_num_sg); - struct ib_fast_reg_page_list * (*alloc_fast_reg_page_list)(struct ib_device *device, - int page_list_len); - void (*free_fast_reg_page_list)(struct ib_fast_reg_page_list *page_list); + int (*map_mr_sg)(struct ib_mr *mr, + struct scatterlist *sg, + int sg_nents); int (*rereg_phys_mr)(struct ib_mr *mr, int mr_rereg_mask, struct ib_pd *pd, @@ -2176,7 +2204,8 @@ static inline bool rdma_cap_roce_gid_table(const struct ib_device *device, } int ib_query_gid(struct ib_device *device, - u8 port_num, int index, union ib_gid *gid); + u8 port_num, int index, union ib_gid *gid, + struct ib_gid_attr *attr); int ib_query_pkey(struct ib_device *device, u8 port_num, u16 index, u16 *pkey); @@ -2190,7 +2219,7 @@ int ib_modify_port(struct ib_device *device, struct ib_port_modify *port_modify); int ib_find_gid(struct ib_device *device, union ib_gid *gid, - u8 *port_num, u16 *index); + struct net_device *ndev, u8 *port_num, u16 *index); int ib_find_pkey(struct ib_device *device, u8 port_num, u16 pkey, u16 *index); @@ -2829,33 +2858,6 @@ struct ib_mr *ib_alloc_mr(struct ib_pd *pd, u32 max_num_sg); /** - * ib_alloc_fast_reg_page_list - Allocates a page list array - * @device - ib device pointer. - * @page_list_len - size of the page list array to be allocated. - * - * This allocates and returns a struct ib_fast_reg_page_list * and a - * page_list array that is at least page_list_len in size. The actual - * size is returned in max_page_list_len. The caller is responsible - * for initializing the contents of the page_list array before posting - * a send work request with the IB_WC_FAST_REG_MR opcode. - * - * The page_list array entries must be translated using one of the - * ib_dma_*() functions just like the addresses passed to - * ib_map_phys_fmr(). Once the ib_post_send() is issued, the struct - * ib_fast_reg_page_list must not be modified by the caller until the - * IB_WC_FAST_REG_MR work request completes. - */ -struct ib_fast_reg_page_list *ib_alloc_fast_reg_page_list( - struct ib_device *device, int page_list_len); - -/** - * ib_free_fast_reg_page_list - Deallocates a previously allocated - * page list array. - * @page_list - struct ib_fast_reg_page_list pointer to be deallocated. - */ -void ib_free_fast_reg_page_list(struct ib_fast_reg_page_list *page_list); - -/** * ib_update_fast_reg_key - updates the key portion of the fast_reg MR * R_Key and L_Key. * @mr - struct ib_mr pointer to be updated. @@ -3023,4 +3025,28 @@ struct net_device *ib_get_net_dev_by_params(struct ib_device *dev, u8 port, u16 pkey, const union ib_gid *gid, const struct sockaddr *addr); +int ib_map_mr_sg(struct ib_mr *mr, + struct scatterlist *sg, + int sg_nents, + unsigned int page_size); + +static inline int +ib_map_mr_sg_zbva(struct ib_mr *mr, + struct scatterlist *sg, + int sg_nents, + unsigned int page_size) +{ + int n; + + n = ib_map_mr_sg(mr, sg, sg_nents, page_size); + mr->iova = 0; + + return n; +} + +int ib_sg_to_pages(struct ib_mr *mr, + struct scatterlist *sgl, + int sg_nents, + int (*set_page)(struct ib_mr *, u64)); + #endif /* IB_VERBS_H */ diff --git a/include/rdma/rdma_cm.h b/include/rdma/rdma_cm.h index c92522c192d2..afe44fde72a5 100644 --- a/include/rdma/rdma_cm.h +++ b/include/rdma/rdma_cm.h @@ -62,7 +62,7 @@ enum rdma_cm_event_type { RDMA_CM_EVENT_TIMEWAIT_EXIT }; -__attribute_const__ const char *rdma_event_msg(enum rdma_cm_event_type event); +const char *__attribute_const__ rdma_event_msg(enum rdma_cm_event_type event); enum rdma_port_space { RDMA_PS_SDP = 0x0001, @@ -160,13 +160,17 @@ struct rdma_cm_id { /** * rdma_create_id - Create an RDMA identifier. * + * @net: The network namespace in which to create the new id. * @event_handler: User callback invoked to report events associated with the * returned rdma_id. * @context: User specified context associated with the id. * @ps: RDMA port space. * @qp_type: type of queue pair associated with the id. + * + * The id holds a reference on the network namespace until it is destroyed. */ -struct rdma_cm_id *rdma_create_id(rdma_cm_event_handler event_handler, +struct rdma_cm_id *rdma_create_id(struct net *net, + rdma_cm_event_handler event_handler, void *context, enum rdma_port_space ps, enum ib_qp_type qp_type); diff --git a/include/scsi/scsi_host.h b/include/scsi/scsi_host.h index e113c757d555..ed527121031d 100644 --- a/include/scsi/scsi_host.h +++ b/include/scsi/scsi_host.h @@ -406,11 +406,6 @@ struct scsi_host_template { int tag_alloc_policy; /* - * Let the block layer assigns tags to all commands. - */ - unsigned use_blk_tags:1; - - /* * Track QUEUE_FULL events and reduce queue depth on demand. */ unsigned track_queue_depth:1; diff --git a/include/scsi/scsi_tcq.h b/include/scsi/scsi_tcq.h index b27977e8aaed..4416b1026189 100644 --- a/include/scsi/scsi_tcq.h +++ b/include/scsi/scsi_tcq.h @@ -10,91 +10,36 @@ #ifdef CONFIG_BLOCK -static inline struct scsi_cmnd *scsi_mq_find_tag(struct Scsi_Host *shost, - int unique_tag) -{ - u16 hwq = blk_mq_unique_tag_to_hwq(unique_tag); - struct request *req = NULL; - - if (hwq < shost->tag_set.nr_hw_queues) - req = blk_mq_tag_to_rq(shost->tag_set.tags[hwq], - blk_mq_unique_tag_to_tag(unique_tag)); - return req ? (struct scsi_cmnd *)req->special : NULL; -} - -/** - * scsi_find_tag - find a tagged command by device - * @SDpnt: pointer to the ScSI device - * @tag: tag generated by blk_mq_unique_tag() - * - * Notes: - * Only works with tags allocated by the generic blk layer. - **/ -static inline struct scsi_cmnd *scsi_find_tag(struct scsi_device *sdev, int tag) -{ - struct request *req; - - if (tag != SCSI_NO_TAG) { - if (shost_use_blk_mq(sdev->host)) - return scsi_mq_find_tag(sdev->host, tag); - - req = blk_queue_find_tag(sdev->request_queue, tag); - return req ? (struct scsi_cmnd *)req->special : NULL; - } - - /* single command, look in space */ - return sdev->current_cmnd; -} - - -/** - * scsi_init_shared_tag_map - create a shared tag map - * @shost: the host to share the tag map among all devices - * @depth: the total depth of the map - */ -static inline int scsi_init_shared_tag_map(struct Scsi_Host *shost, int depth) -{ - /* - * We always have a shared tag map around when using blk-mq. - */ - if (shost_use_blk_mq(shost)) - return 0; - - /* - * If the shared tag map isn't already initialized, do it now. - * This saves callers from having to check ->bqt when setting up - * devices on the shared host (for libata) - */ - if (!shost->bqt) { - shost->bqt = blk_init_tags(depth, - shost->hostt->tag_alloc_policy); - if (!shost->bqt) - return -ENOMEM; - } - - return 0; -} - /** * scsi_host_find_tag - find the tagged command by host * @shost: pointer to scsi_host - * @tag: tag generated by blk_mq_unique_tag() + * @tag: tag * - * Notes: - * Only works with tags allocated by the generic blk layer. + * Note: for devices using multiple hardware queues tag must have been + * generated by blk_mq_unique_tag(). **/ static inline struct scsi_cmnd *scsi_host_find_tag(struct Scsi_Host *shost, - int tag) + int tag) { - struct request *req; + struct request *req = NULL; - if (tag != SCSI_NO_TAG) { - if (shost_use_blk_mq(shost)) - return scsi_mq_find_tag(shost, tag); + if (tag == SCSI_NO_TAG) + return NULL; + + if (shost_use_blk_mq(shost)) { + u16 hwq = blk_mq_unique_tag_to_hwq(tag); + + if (hwq < shost->tag_set.nr_hw_queues) { + req = blk_mq_tag_to_rq(shost->tag_set.tags[hwq], + blk_mq_unique_tag_to_tag(tag)); + } + } else { req = blk_map_queue_find_tag(shost->bqt, tag); - return req ? (struct scsi_cmnd *)req->special : NULL; } - return NULL; + + if (!req) + return NULL; + return req->special; } #endif /* CONFIG_BLOCK */ diff --git a/include/soc/bcm2835/raspberrypi-firmware.h b/include/soc/bcm2835/raspberrypi-firmware.h new file mode 100644 index 000000000000..c07d74aa39bf --- /dev/null +++ b/include/soc/bcm2835/raspberrypi-firmware.h @@ -0,0 +1,120 @@ +/* + * Copyright © 2015 Broadcom + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#ifndef __SOC_RASPBERRY_FIRMWARE_H__ +#define __SOC_RASPBERRY_FIRMWARE_H__ + +#include <linux/types.h> +#include <linux/of_device.h> + +struct rpi_firmware; + +enum rpi_firmware_property_status { + RPI_FIRMWARE_STATUS_REQUEST = 0, + RPI_FIRMWARE_STATUS_SUCCESS = 0x80000000, + RPI_FIRMWARE_STATUS_ERROR = 0x80000001, +}; + +/** + * struct rpi_firmware_property_tag_header - Firmware property tag header + * @tag: One of enum_mbox_property_tag. + * @buf_size: The number of bytes in the value buffer following this + * struct. + * @req_resp_size: On submit, the length of the request (though it doesn't + * appear to be currently used by the firmware). On return, + * the length of the response (always 4 byte aligned), with + * the low bit set. + */ +struct rpi_firmware_property_tag_header { + u32 tag; + u32 buf_size; + u32 req_resp_size; +}; + +enum rpi_firmware_property_tag { + RPI_FIRMWARE_PROPERTY_END = 0, + RPI_FIRMWARE_GET_FIRMWARE_REVISION = 0x00000001, + + RPI_FIRMWARE_SET_CURSOR_INFO = 0x00008010, + RPI_FIRMWARE_SET_CURSOR_STATE = 0x00008011, + + RPI_FIRMWARE_GET_BOARD_MODEL = 0x00010001, + RPI_FIRMWARE_GET_BOARD_REVISION = 0x00010002, + RPI_FIRMWARE_GET_BOARD_MAC_ADDRESS = 0x00010003, + RPI_FIRMWARE_GET_BOARD_SERIAL = 0x00010004, + RPI_FIRMWARE_GET_ARM_MEMORY = 0x00010005, + RPI_FIRMWARE_GET_VC_MEMORY = 0x00010006, + RPI_FIRMWARE_GET_CLOCKS = 0x00010007, + RPI_FIRMWARE_GET_POWER_STATE = 0x00020001, + RPI_FIRMWARE_GET_TIMING = 0x00020002, + RPI_FIRMWARE_SET_POWER_STATE = 0x00028001, + RPI_FIRMWARE_GET_CLOCK_STATE = 0x00030001, + RPI_FIRMWARE_GET_CLOCK_RATE = 0x00030002, + RPI_FIRMWARE_GET_VOLTAGE = 0x00030003, + RPI_FIRMWARE_GET_MAX_CLOCK_RATE = 0x00030004, + RPI_FIRMWARE_GET_MAX_VOLTAGE = 0x00030005, + RPI_FIRMWARE_GET_TEMPERATURE = 0x00030006, + RPI_FIRMWARE_GET_MIN_CLOCK_RATE = 0x00030007, + RPI_FIRMWARE_GET_MIN_VOLTAGE = 0x00030008, + RPI_FIRMWARE_GET_TURBO = 0x00030009, + RPI_FIRMWARE_GET_MAX_TEMPERATURE = 0x0003000a, + RPI_FIRMWARE_ALLOCATE_MEMORY = 0x0003000c, + RPI_FIRMWARE_LOCK_MEMORY = 0x0003000d, + RPI_FIRMWARE_UNLOCK_MEMORY = 0x0003000e, + RPI_FIRMWARE_RELEASE_MEMORY = 0x0003000f, + RPI_FIRMWARE_EXECUTE_CODE = 0x00030010, + RPI_FIRMWARE_EXECUTE_QPU = 0x00030011, + RPI_FIRMWARE_SET_ENABLE_QPU = 0x00030012, + RPI_FIRMWARE_GET_DISPMANX_RESOURCE_MEM_HANDLE = 0x00030014, + RPI_FIRMWARE_GET_EDID_BLOCK = 0x00030020, + RPI_FIRMWARE_SET_CLOCK_STATE = 0x00038001, + RPI_FIRMWARE_SET_CLOCK_RATE = 0x00038002, + RPI_FIRMWARE_SET_VOLTAGE = 0x00038003, + RPI_FIRMWARE_SET_TURBO = 0x00038009, + + /* Dispmanx TAGS */ + RPI_FIRMWARE_FRAMEBUFFER_ALLOCATE = 0x00040001, + RPI_FIRMWARE_FRAMEBUFFER_BLANK = 0x00040002, + RPI_FIRMWARE_FRAMEBUFFER_GET_PHYSICAL_WIDTH_HEIGHT = 0x00040003, + RPI_FIRMWARE_FRAMEBUFFER_GET_VIRTUAL_WIDTH_HEIGHT = 0x00040004, + RPI_FIRMWARE_FRAMEBUFFER_GET_DEPTH = 0x00040005, + RPI_FIRMWARE_FRAMEBUFFER_GET_PIXEL_ORDER = 0x00040006, + RPI_FIRMWARE_FRAMEBUFFER_GET_ALPHA_MODE = 0x00040007, + RPI_FIRMWARE_FRAMEBUFFER_GET_PITCH = 0x00040008, + RPI_FIRMWARE_FRAMEBUFFER_GET_VIRTUAL_OFFSET = 0x00040009, + RPI_FIRMWARE_FRAMEBUFFER_GET_OVERSCAN = 0x0004000a, + RPI_FIRMWARE_FRAMEBUFFER_GET_PALETTE = 0x0004000b, + RPI_FIRMWARE_FRAMEBUFFER_RELEASE = 0x00048001, + RPI_FIRMWARE_FRAMEBUFFER_TEST_PHYSICAL_WIDTH_HEIGHT = 0x00044003, + RPI_FIRMWARE_FRAMEBUFFER_TEST_VIRTUAL_WIDTH_HEIGHT = 0x00044004, + RPI_FIRMWARE_FRAMEBUFFER_TEST_DEPTH = 0x00044005, + RPI_FIRMWARE_FRAMEBUFFER_TEST_PIXEL_ORDER = 0x00044006, + RPI_FIRMWARE_FRAMEBUFFER_TEST_ALPHA_MODE = 0x00044007, + RPI_FIRMWARE_FRAMEBUFFER_TEST_VIRTUAL_OFFSET = 0x00044009, + RPI_FIRMWARE_FRAMEBUFFER_TEST_OVERSCAN = 0x0004400a, + RPI_FIRMWARE_FRAMEBUFFER_TEST_PALETTE = 0x0004400b, + RPI_FIRMWARE_FRAMEBUFFER_SET_PHYSICAL_WIDTH_HEIGHT = 0x00048003, + RPI_FIRMWARE_FRAMEBUFFER_SET_VIRTUAL_WIDTH_HEIGHT = 0x00048004, + RPI_FIRMWARE_FRAMEBUFFER_SET_DEPTH = 0x00048005, + RPI_FIRMWARE_FRAMEBUFFER_SET_PIXEL_ORDER = 0x00048006, + RPI_FIRMWARE_FRAMEBUFFER_SET_ALPHA_MODE = 0x00048007, + RPI_FIRMWARE_FRAMEBUFFER_SET_VIRTUAL_OFFSET = 0x00048009, + RPI_FIRMWARE_FRAMEBUFFER_SET_OVERSCAN = 0x0004800a, + RPI_FIRMWARE_FRAMEBUFFER_SET_PALETTE = 0x0004800b, + + RPI_FIRMWARE_GET_COMMAND_LINE = 0x00050001, + RPI_FIRMWARE_GET_DMA_CHANNELS = 0x00060001, +}; + +int rpi_firmware_property(struct rpi_firmware *fw, + u32 tag, void *data, size_t len); +int rpi_firmware_property_list(struct rpi_firmware *fw, + void *data, size_t tag_size); +struct rpi_firmware *rpi_firmware_get(struct device_node *firmware_node); + +#endif /* __SOC_RASPBERRY_FIRMWARE_H__ */ diff --git a/include/soc/brcmstb/common.h b/include/soc/brcmstb/common.h new file mode 100644 index 000000000000..cfb5335f2a15 --- /dev/null +++ b/include/soc/brcmstb/common.h @@ -0,0 +1,15 @@ +/* + * Copyright © 2014 NVIDIA Corporation + * Copyright © 2015 Broadcom Corporation + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#ifndef __SOC_BRCMSTB_COMMON_H__ +#define __SOC_BRCMSTB_COMMON_H__ + +bool soc_is_brcmstb(void); + +#endif /* __SOC_BRCMSTB_COMMON_H__ */ diff --git a/include/target/configfs_macros.h b/include/target/configfs_macros.h deleted file mode 100644 index a0fc85bbe2da..000000000000 --- a/include/target/configfs_macros.h +++ /dev/null @@ -1,147 +0,0 @@ -/* -*- mode: c; c-basic-offset: 8; -*- - * vim: noexpandtab sw=8 ts=8 sts=0: - * - * configfs_macros.h - extends macros for configfs - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public - * License as published by the Free Software Foundation; either - * version 2 of the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public - * License along with this program; if not, write to the - * Free Software Foundation, Inc., 59 Temple Place - Suite 330, - * Boston, MA 021110-1307, USA. - * - * Based on sysfs: - * sysfs is Copyright (C) 2001, 2002, 2003 Patrick Mochel - * - * Based on kobject.h: - * Copyright (c) 2002-2003 Patrick Mochel - * Copyright (c) 2002-2003 Open Source Development Labs - * - * configfs Copyright (C) 2005 Oracle. All rights reserved. - * - * Added CONFIGFS_EATTR() macros from original configfs.h macros - * Copright (C) 2008-2009 Nicholas A. Bellinger <nab@linux-iscsi.org> - * - * Please read Documentation/filesystems/configfs/configfs.txt before using - * the configfs interface, ESPECIALLY the parts about reference counts and - * item destructors. - */ - -#ifndef _CONFIGFS_MACROS_H_ -#define _CONFIGFS_MACROS_H_ - -#include <linux/configfs.h> - -/* - * Users often need to create attribute structures for their configurable - * attributes, containing a configfs_attribute member and function pointers - * for the show() and store() operations on that attribute. If they don't - * need anything else on the extended attribute structure, they can use - * this macro to define it. The argument _name isends up as - * 'struct _name_attribute, as well as names of to CONFIGFS_ATTR_OPS() below. - * The argument _item is the name of the structure containing the - * struct config_item or struct config_group structure members - */ -#define CONFIGFS_EATTR_STRUCT(_name, _item) \ -struct _name##_attribute { \ - struct configfs_attribute attr; \ - ssize_t (*show)(struct _item *, char *); \ - ssize_t (*store)(struct _item *, const char *, size_t); \ -} - -/* - * With the extended attribute structure, users can use this macro - * (similar to sysfs' __ATTR) to make defining attributes easier. - * An example: - * #define MYITEM_EATTR(_name, _mode, _show, _store) \ - * struct myitem_attribute childless_attr_##_name = \ - * __CONFIGFS_EATTR(_name, _mode, _show, _store) - */ -#define __CONFIGFS_EATTR(_name, _mode, _show, _store) \ -{ \ - .attr = { \ - .ca_name = __stringify(_name), \ - .ca_mode = _mode, \ - .ca_owner = THIS_MODULE, \ - }, \ - .show = _show, \ - .store = _store, \ -} -/* Here is a readonly version, only requiring a show() operation */ -#define __CONFIGFS_EATTR_RO(_name, _show) \ -{ \ - .attr = { \ - .ca_name = __stringify(_name), \ - .ca_mode = 0444, \ - .ca_owner = THIS_MODULE, \ - }, \ - .show = _show, \ -} - -/* - * With these extended attributes, the simple show_attribute() and - * store_attribute() operations need to call the show() and store() of the - * attributes. This is a common pattern, so we provide a macro to define - * them. The argument _name is the name of the attribute defined by - * CONFIGFS_ATTR_STRUCT(). The argument _item is the name of the structure - * containing the struct config_item or struct config_group structure member. - * The argument _item_member is the actual name of the struct config_* struct - * in your _item structure. Meaning my_structure->some_config_group. - * ^^_item^^^^^ ^^_item_member^^^ - * This macro expects the attributes to be named "struct <name>_attribute". - */ -#define CONFIGFS_EATTR_OPS_TO_FUNC(_name, _item, _item_member) \ -static struct _item *to_##_name(struct config_item *ci) \ -{ \ - return (ci) ? container_of(to_config_group(ci), struct _item, \ - _item_member) : NULL; \ -} - -#define CONFIGFS_EATTR_OPS_SHOW(_name, _item) \ -static ssize_t _name##_attr_show(struct config_item *item, \ - struct configfs_attribute *attr, \ - char *page) \ -{ \ - struct _item *_item = to_##_name(item); \ - struct _name##_attribute * _name##_attr = \ - container_of(attr, struct _name##_attribute, attr); \ - ssize_t ret = 0; \ - \ - if (_name##_attr->show) \ - ret = _name##_attr->show(_item, page); \ - return ret; \ -} - -#define CONFIGFS_EATTR_OPS_STORE(_name, _item) \ -static ssize_t _name##_attr_store(struct config_item *item, \ - struct configfs_attribute *attr, \ - const char *page, size_t count) \ -{ \ - struct _item *_item = to_##_name(item); \ - struct _name##_attribute * _name##_attr = \ - container_of(attr, struct _name##_attribute, attr); \ - ssize_t ret = -EINVAL; \ - \ - if (_name##_attr->store) \ - ret = _name##_attr->store(_item, page, count); \ - return ret; \ -} - -#define CONFIGFS_EATTR_OPS(_name, _item, _item_member) \ - CONFIGFS_EATTR_OPS_TO_FUNC(_name, _item, _item_member); \ - CONFIGFS_EATTR_OPS_SHOW(_name, _item); \ - CONFIGFS_EATTR_OPS_STORE(_name, _item); - -#define CONFIGFS_EATTR_OPS_RO(_name, _item, _item_member) \ - CONFIGFS_EATTR_OPS_TO_FUNC(_name, _item, _item_member); \ - CONFIGFS_EATTR_OPS_SHOW(_name, _item); - -#endif /* _CONFIGFS_MACROS_H_ */ diff --git a/include/target/target_core_base.h b/include/target/target_core_base.h index 5f48754dc36a..aabf0aca0171 100644 --- a/include/target/target_core_base.h +++ b/include/target/target_core_base.h @@ -474,7 +474,7 @@ struct se_cmd { struct completion cmd_wait_comp; const struct target_core_fabric_ops *se_tfo; sense_reason_t (*execute_cmd)(struct se_cmd *); - sense_reason_t (*transport_complete_callback)(struct se_cmd *, bool); + sense_reason_t (*transport_complete_callback)(struct se_cmd *, bool, int *); void *protocol_data; unsigned char *t_task_cdb; @@ -563,6 +563,36 @@ struct se_node_acl { struct kref acl_kref; }; +static inline struct se_node_acl *acl_to_nacl(struct config_item *item) +{ + return container_of(to_config_group(item), struct se_node_acl, + acl_group); +} + +static inline struct se_node_acl *attrib_to_nacl(struct config_item *item) +{ + return container_of(to_config_group(item), struct se_node_acl, + acl_attrib_group); +} + +static inline struct se_node_acl *auth_to_nacl(struct config_item *item) +{ + return container_of(to_config_group(item), struct se_node_acl, + acl_auth_group); +} + +static inline struct se_node_acl *param_to_nacl(struct config_item *item) +{ + return container_of(to_config_group(item), struct se_node_acl, + acl_param_group); +} + +static inline struct se_node_acl *fabric_stat_to_nacl(struct config_item *item) +{ + return container_of(to_config_group(item), struct se_node_acl, + acl_fabric_stat_group); +} + struct se_session { unsigned sess_tearing_down:1; u64 sess_bin_isid; @@ -821,6 +851,12 @@ struct se_tpg_np { struct config_group tpg_np_group; }; +static inline struct se_tpg_np *to_tpg_np(struct config_item *item) +{ + return container_of(to_config_group(item), struct se_tpg_np, + tpg_np_group); +} + struct se_portal_group { /* * PROTOCOL IDENTIFIER value per SPC4, 7.5.1. @@ -857,6 +893,30 @@ struct se_portal_group { struct config_group tpg_param_group; }; +static inline struct se_portal_group *to_tpg(struct config_item *item) +{ + return container_of(to_config_group(item), struct se_portal_group, + tpg_group); +} + +static inline struct se_portal_group *attrib_to_tpg(struct config_item *item) +{ + return container_of(to_config_group(item), struct se_portal_group, + tpg_attrib_group); +} + +static inline struct se_portal_group *auth_to_tpg(struct config_item *item) +{ + return container_of(to_config_group(item), struct se_portal_group, + tpg_auth_group); +} + +static inline struct se_portal_group *param_to_tpg(struct config_item *item) +{ + return container_of(to_config_group(item), struct se_portal_group, + tpg_param_group); +} + struct se_wwn { struct target_fabric_configfs *wwn_tf; struct config_group wwn_group; diff --git a/include/target/target_core_fabric_configfs.h b/include/target/target_core_fabric_configfs.h deleted file mode 100644 index 7a0649c09e79..000000000000 --- a/include/target/target_core_fabric_configfs.h +++ /dev/null @@ -1,122 +0,0 @@ -/* - * Used for tfc_wwn_cit attributes - */ - -#include <target/configfs_macros.h> - -CONFIGFS_EATTR_STRUCT(target_fabric_nacl_attrib, se_node_acl); -#define TF_NACL_ATTRIB_ATTR(_fabric, _name, _mode) \ -static struct target_fabric_nacl_attrib_attribute _fabric##_nacl_attrib_##_name = \ - __CONFIGFS_EATTR(_name, _mode, \ - _fabric##_nacl_attrib_show_##_name, \ - _fabric##_nacl_attrib_store_##_name); - -CONFIGFS_EATTR_STRUCT(target_fabric_nacl_auth, se_node_acl); -#define TF_NACL_AUTH_ATTR(_fabric, _name, _mode) \ -static struct target_fabric_nacl_auth_attribute _fabric##_nacl_auth_##_name = \ - __CONFIGFS_EATTR(_name, _mode, \ - _fabric##_nacl_auth_show_##_name, \ - _fabric##_nacl_auth_store_##_name); - -#define TF_NACL_AUTH_ATTR_RO(_fabric, _name) \ -static struct target_fabric_nacl_auth_attribute _fabric##_nacl_auth_##_name = \ - __CONFIGFS_EATTR_RO(_name, \ - _fabric##_nacl_auth_show_##_name); - -CONFIGFS_EATTR_STRUCT(target_fabric_nacl_param, se_node_acl); -#define TF_NACL_PARAM_ATTR(_fabric, _name, _mode) \ -static struct target_fabric_nacl_param_attribute _fabric##_nacl_param_##_name = \ - __CONFIGFS_EATTR(_name, _mode, \ - _fabric##_nacl_param_show_##_name, \ - _fabric##_nacl_param_store_##_name); - -#define TF_NACL_PARAM_ATTR_RO(_fabric, _name) \ -static struct target_fabric_nacl_param_attribute _fabric##_nacl_param_##_name = \ - __CONFIGFS_EATTR_RO(_name, \ - _fabric##_nacl_param_show_##_name); - - -CONFIGFS_EATTR_STRUCT(target_fabric_nacl_base, se_node_acl); -#define TF_NACL_BASE_ATTR(_fabric, _name, _mode) \ -static struct target_fabric_nacl_base_attribute _fabric##_nacl_##_name = \ - __CONFIGFS_EATTR(_name, _mode, \ - _fabric##_nacl_show_##_name, \ - _fabric##_nacl_store_##_name); - -#define TF_NACL_BASE_ATTR_RO(_fabric, _name) \ -static struct target_fabric_nacl_base_attribute _fabric##_nacl_##_name = \ - __CONFIGFS_EATTR_RO(_name, \ - _fabric##_nacl_show_##_name); - -CONFIGFS_EATTR_STRUCT(target_fabric_np_base, se_tpg_np); -#define TF_NP_BASE_ATTR(_fabric, _name, _mode) \ -static struct target_fabric_np_base_attribute _fabric##_np_##_name = \ - __CONFIGFS_EATTR(_name, _mode, \ - _fabric##_np_show_##_name, \ - _fabric##_np_store_##_name); - -CONFIGFS_EATTR_STRUCT(target_fabric_tpg_attrib, se_portal_group); -#define TF_TPG_ATTRIB_ATTR(_fabric, _name, _mode) \ -static struct target_fabric_tpg_attrib_attribute _fabric##_tpg_attrib_##_name = \ - __CONFIGFS_EATTR(_name, _mode, \ - _fabric##_tpg_attrib_show_##_name, \ - _fabric##_tpg_attrib_store_##_name); - -CONFIGFS_EATTR_STRUCT(target_fabric_tpg_auth, se_portal_group); -#define TF_TPG_AUTH_ATTR(_fabric, _name, _mode) \ -static struct target_fabric_tpg_auth_attribute _fabric##_tpg_auth_##_name = \ - __CONFIGFS_EATTR(_name, _mode, \ - _fabric##_tpg_auth_show_##_name, \ - _fabric##_tpg_auth_store_##_name); - -#define TF_TPG_AUTH_ATTR_RO(_fabric, _name) \ -static struct target_fabric_tpg_auth_attribute _fabric##_tpg_auth_##_name = \ - __CONFIGFS_EATTR_RO(_name, \ - _fabric##_tpg_auth_show_##_name); - -CONFIGFS_EATTR_STRUCT(target_fabric_tpg_param, se_portal_group); -#define TF_TPG_PARAM_ATTR(_fabric, _name, _mode) \ -static struct target_fabric_tpg_param_attribute _fabric##_tpg_param_##_name = \ - __CONFIGFS_EATTR(_name, _mode, \ - _fabric##_tpg_param_show_##_name, \ - _fabric##_tpg_param_store_##_name); - - -CONFIGFS_EATTR_STRUCT(target_fabric_tpg, se_portal_group); -#define TF_TPG_BASE_ATTR(_fabric, _name, _mode) \ -static struct target_fabric_tpg_attribute _fabric##_tpg_##_name = \ - __CONFIGFS_EATTR(_name, _mode, \ - _fabric##_tpg_show_##_name, \ - _fabric##_tpg_store_##_name); - - -#define TF_TPG_BASE_ATTR_RO(_fabric, _name) \ -static struct target_fabric_tpg_attribute _fabric##_tpg_##_name = \ - __CONFIGFS_EATTR_RO(_name, \ - _fabric##_tpg_show_##_name); - -CONFIGFS_EATTR_STRUCT(target_fabric_wwn, target_fabric_configfs); -#define TF_WWN_ATTR(_fabric, _name, _mode) \ -static struct target_fabric_wwn_attribute _fabric##_wwn_##_name = \ - __CONFIGFS_EATTR(_name, _mode, \ - _fabric##_wwn_show_attr_##_name, \ - _fabric##_wwn_store_attr_##_name); - -#define TF_WWN_ATTR_RO(_fabric, _name) \ -static struct target_fabric_wwn_attribute _fabric##_wwn_##_name = \ - __CONFIGFS_EATTR_RO(_name, \ - _fabric##_wwn_show_attr_##_name); - -CONFIGFS_EATTR_STRUCT(target_fabric_discovery, target_fabric_configfs); -#define TF_DISC_ATTR(_fabric, _name, _mode) \ -static struct target_fabric_discovery_attribute _fabric##_disc_##_name = \ - __CONFIGFS_EATTR(_name, _mode, \ - _fabric##_disc_show_##_name, \ - _fabric##_disc_store_##_name); - -#define TF_DISC_ATTR_RO(_fabric, _name) \ -static struct target_fabric_discovery_attribute _fabric##_disc_##_name = \ - __CONFIGFS_EATTR_RO(_name, \ - _fabric##_disc_show_##_name); - -extern int target_fabric_setup_cits(struct target_fabric_configfs *); diff --git a/include/trace/events/gfpflags.h b/include/trace/events/gfpflags.h index d6fd8e5b14b7..dde6bf092c8a 100644 --- a/include/trace/events/gfpflags.h +++ b/include/trace/events/gfpflags.h @@ -20,7 +20,7 @@ {(unsigned long)GFP_ATOMIC, "GFP_ATOMIC"}, \ {(unsigned long)GFP_NOIO, "GFP_NOIO"}, \ {(unsigned long)__GFP_HIGH, "GFP_HIGH"}, \ - {(unsigned long)__GFP_WAIT, "GFP_WAIT"}, \ + {(unsigned long)__GFP_ATOMIC, "GFP_ATOMIC"}, \ {(unsigned long)__GFP_IO, "GFP_IO"}, \ {(unsigned long)__GFP_COLD, "GFP_COLD"}, \ {(unsigned long)__GFP_NOWARN, "GFP_NOWARN"}, \ @@ -36,7 +36,8 @@ {(unsigned long)__GFP_RECLAIMABLE, "GFP_RECLAIMABLE"}, \ {(unsigned long)__GFP_MOVABLE, "GFP_MOVABLE"}, \ {(unsigned long)__GFP_NOTRACK, "GFP_NOTRACK"}, \ - {(unsigned long)__GFP_NO_KSWAPD, "GFP_NO_KSWAPD"}, \ + {(unsigned long)__GFP_DIRECT_RECLAIM, "GFP_DIRECT_RECLAIM"}, \ + {(unsigned long)__GFP_KSWAPD_RECLAIM, "GFP_KSWAPD_RECLAIM"}, \ {(unsigned long)__GFP_OTHER_NODE, "GFP_OTHER_NODE"} \ ) : "GFP_NOWAIT" diff --git a/include/trace/events/nilfs2.h b/include/trace/events/nilfs2.h new file mode 100644 index 000000000000..c7805818fcc6 --- /dev/null +++ b/include/trace/events/nilfs2.h @@ -0,0 +1,224 @@ +#undef TRACE_SYSTEM +#define TRACE_SYSTEM nilfs2 + +#if !defined(_TRACE_NILFS2_H) || defined(TRACE_HEADER_MULTI_READ) +#define _TRACE_NILFS2_H + +#include <linux/tracepoint.h> + +struct nilfs_sc_info; + +#define show_collection_stage(type) \ + __print_symbolic(type, \ + { NILFS_ST_INIT, "ST_INIT" }, \ + { NILFS_ST_GC, "ST_GC" }, \ + { NILFS_ST_FILE, "ST_FILE" }, \ + { NILFS_ST_IFILE, "ST_IFILE" }, \ + { NILFS_ST_CPFILE, "ST_CPFILE" }, \ + { NILFS_ST_SUFILE, "ST_SUFILE" }, \ + { NILFS_ST_DAT, "ST_DAT" }, \ + { NILFS_ST_SR, "ST_SR" }, \ + { NILFS_ST_DSYNC, "ST_DSYNC" }, \ + { NILFS_ST_DONE, "ST_DONE"}) + +TRACE_EVENT(nilfs2_collection_stage_transition, + + TP_PROTO(struct nilfs_sc_info *sci), + + TP_ARGS(sci), + + TP_STRUCT__entry( + __field(void *, sci) + __field(int, stage) + ), + + TP_fast_assign( + __entry->sci = sci; + __entry->stage = sci->sc_stage.scnt; + ), + + TP_printk("sci = %p stage = %s", + __entry->sci, + show_collection_stage(__entry->stage)) +); + +#ifndef TRACE_HEADER_MULTI_READ +enum nilfs2_transaction_transition_state { + TRACE_NILFS2_TRANSACTION_BEGIN, + TRACE_NILFS2_TRANSACTION_COMMIT, + TRACE_NILFS2_TRANSACTION_ABORT, + TRACE_NILFS2_TRANSACTION_TRYLOCK, + TRACE_NILFS2_TRANSACTION_LOCK, + TRACE_NILFS2_TRANSACTION_UNLOCK, +}; +#endif + +#define show_transaction_state(type) \ + __print_symbolic(type, \ + { TRACE_NILFS2_TRANSACTION_BEGIN, "BEGIN" }, \ + { TRACE_NILFS2_TRANSACTION_COMMIT, "COMMIT" }, \ + { TRACE_NILFS2_TRANSACTION_ABORT, "ABORT" }, \ + { TRACE_NILFS2_TRANSACTION_TRYLOCK, "TRYLOCK" }, \ + { TRACE_NILFS2_TRANSACTION_LOCK, "LOCK" }, \ + { TRACE_NILFS2_TRANSACTION_UNLOCK, "UNLOCK" }) + +TRACE_EVENT(nilfs2_transaction_transition, + TP_PROTO(struct super_block *sb, + struct nilfs_transaction_info *ti, + int count, + unsigned int flags, + enum nilfs2_transaction_transition_state state), + + TP_ARGS(sb, ti, count, flags, state), + + TP_STRUCT__entry( + __field(void *, sb) + __field(void *, ti) + __field(int, count) + __field(unsigned int, flags) + __field(int, state) + ), + + TP_fast_assign( + __entry->sb = sb; + __entry->ti = ti; + __entry->count = count; + __entry->flags = flags; + __entry->state = state; + ), + + TP_printk("sb = %p ti = %p count = %d flags = %x state = %s", + __entry->sb, + __entry->ti, + __entry->count, + __entry->flags, + show_transaction_state(__entry->state)) +); + +TRACE_EVENT(nilfs2_segment_usage_check, + TP_PROTO(struct inode *sufile, + __u64 segnum, + unsigned long cnt), + + TP_ARGS(sufile, segnum, cnt), + + TP_STRUCT__entry( + __field(struct inode *, sufile) + __field(__u64, segnum) + __field(unsigned long, cnt) + ), + + TP_fast_assign( + __entry->sufile = sufile; + __entry->segnum = segnum; + __entry->cnt = cnt; + ), + + TP_printk("sufile = %p segnum = %llu cnt = %lu", + __entry->sufile, + __entry->segnum, + __entry->cnt) +); + +TRACE_EVENT(nilfs2_segment_usage_allocated, + TP_PROTO(struct inode *sufile, + __u64 segnum), + + TP_ARGS(sufile, segnum), + + TP_STRUCT__entry( + __field(struct inode *, sufile) + __field(__u64, segnum) + ), + + TP_fast_assign( + __entry->sufile = sufile; + __entry->segnum = segnum; + ), + + TP_printk("sufile = %p segnum = %llu", + __entry->sufile, + __entry->segnum) +); + +TRACE_EVENT(nilfs2_segment_usage_freed, + TP_PROTO(struct inode *sufile, + __u64 segnum), + + TP_ARGS(sufile, segnum), + + TP_STRUCT__entry( + __field(struct inode *, sufile) + __field(__u64, segnum) + ), + + TP_fast_assign( + __entry->sufile = sufile; + __entry->segnum = segnum; + ), + + TP_printk("sufile = %p segnum = %llu", + __entry->sufile, + __entry->segnum) +); + +TRACE_EVENT(nilfs2_mdt_insert_new_block, + TP_PROTO(struct inode *inode, + unsigned long ino, + unsigned long block), + + TP_ARGS(inode, ino, block), + + TP_STRUCT__entry( + __field(struct inode *, inode) + __field(unsigned long, ino) + __field(unsigned long, block) + ), + + TP_fast_assign( + __entry->inode = inode; + __entry->ino = ino; + __entry->block = block; + ), + + TP_printk("inode = %p ino = %lu block = %lu", + __entry->inode, + __entry->ino, + __entry->block) +); + +TRACE_EVENT(nilfs2_mdt_submit_block, + TP_PROTO(struct inode *inode, + unsigned long ino, + unsigned long blkoff, + int mode), + + TP_ARGS(inode, ino, blkoff, mode), + + TP_STRUCT__entry( + __field(struct inode *, inode) + __field(unsigned long, ino) + __field(unsigned long, blkoff) + __field(int, mode) + ), + + TP_fast_assign( + __entry->inode = inode; + __entry->ino = ino; + __entry->blkoff = blkoff; + __entry->mode = mode; + ), + + TP_printk("inode = %p ino = %lu blkoff = %lu mode = %x", + __entry->inode, + __entry->ino, + __entry->blkoff, + __entry->mode) +); + +#endif /* _TRACE_NILFS2_H */ + +/* This part must be outside protection */ +#undef TRACE_INCLUDE_FILE +#define TRACE_INCLUDE_FILE nilfs2 +#include <trace/define_trace.h> diff --git a/include/trace/events/thermal.h b/include/trace/events/thermal.h index 8b1f80682b80..5738bb3e2343 100644 --- a/include/trace/events/thermal.h +++ b/include/trace/events/thermal.h @@ -4,6 +4,7 @@ #if !defined(_TRACE_THERMAL_H) || defined(TRACE_HEADER_MULTI_READ) #define _TRACE_THERMAL_H +#include <linux/devfreq.h> #include <linux/thermal.h> #include <linux/tracepoint.h> @@ -135,6 +136,58 @@ TRACE_EVENT(thermal_power_cpu_limit, __entry->power) ); +TRACE_EVENT(thermal_power_devfreq_get_power, + TP_PROTO(struct thermal_cooling_device *cdev, + struct devfreq_dev_status *status, unsigned long freq, + u32 dynamic_power, u32 static_power), + + TP_ARGS(cdev, status, freq, dynamic_power, static_power), + + TP_STRUCT__entry( + __string(type, cdev->type ) + __field(unsigned long, freq ) + __field(u32, load ) + __field(u32, dynamic_power ) + __field(u32, static_power ) + ), + + TP_fast_assign( + __assign_str(type, cdev->type); + __entry->freq = freq; + __entry->load = (100 * status->busy_time) / status->total_time; + __entry->dynamic_power = dynamic_power; + __entry->static_power = static_power; + ), + + TP_printk("type=%s freq=%lu load=%u dynamic_power=%u static_power=%u", + __get_str(type), __entry->freq, + __entry->load, __entry->dynamic_power, __entry->static_power) +); + +TRACE_EVENT(thermal_power_devfreq_limit, + TP_PROTO(struct thermal_cooling_device *cdev, unsigned long freq, + unsigned long cdev_state, u32 power), + + TP_ARGS(cdev, freq, cdev_state, power), + + TP_STRUCT__entry( + __string(type, cdev->type) + __field(unsigned int, freq ) + __field(unsigned long, cdev_state) + __field(u32, power ) + ), + + TP_fast_assign( + __assign_str(type, cdev->type); + __entry->freq = freq; + __entry->cdev_state = cdev_state; + __entry->power = power; + ), + + TP_printk("type=%s freq=%u cdev_state=%lu power=%u", + __get_str(type), __entry->freq, __entry->cdev_state, + __entry->power) +); #endif /* _TRACE_THERMAL_H */ /* This part must be outside protection */ diff --git a/include/uapi/drm/Kbuild b/include/uapi/drm/Kbuild index 2d9a25daab05..38d437096c35 100644 --- a/include/uapi/drm/Kbuild +++ b/include/uapi/drm/Kbuild @@ -17,3 +17,4 @@ header-y += tegra_drm.h header-y += via_drm.h header-y += vmwgfx_drm.h header-y += msm_drm.h +header-y += virtgpu_drm.h diff --git a/include/uapi/drm/amdgpu_drm.h b/include/uapi/drm/amdgpu_drm.h index fbdd11851725..e52933a73580 100644 --- a/include/uapi/drm/amdgpu_drm.h +++ b/include/uapi/drm/amdgpu_drm.h @@ -640,6 +640,6 @@ struct drm_amdgpu_info_hw_ip { #define AMDGPU_FAMILY_CI 120 /* Bonaire, Hawaii */ #define AMDGPU_FAMILY_KV 125 /* Kaveri, Kabini, Mullins */ #define AMDGPU_FAMILY_VI 130 /* Iceland, Tonga */ -#define AMDGPU_FAMILY_CZ 135 /* Carrizo */ +#define AMDGPU_FAMILY_CZ 135 /* Carrizo, Stoney */ #endif diff --git a/include/uapi/drm/drm_fourcc.h b/include/uapi/drm/drm_fourcc.h index 8c5e8b91a3cb..0b69a7753558 100644 --- a/include/uapi/drm/drm_fourcc.h +++ b/include/uapi/drm/drm_fourcc.h @@ -158,7 +158,7 @@ /* add more to the end as needed */ #define fourcc_mod_code(vendor, val) \ - ((((u64)DRM_FORMAT_MOD_VENDOR_## vendor) << 56) | (val & 0x00ffffffffffffffULL)) + ((((__u64)DRM_FORMAT_MOD_VENDOR_## vendor) << 56) | (val & 0x00ffffffffffffffULL)) /* * Format Modifier tokens: diff --git a/include/uapi/drm/drm_mode.h b/include/uapi/drm/drm_mode.h index 359107ab629e..6c11ca401de8 100644 --- a/include/uapi/drm/drm_mode.h +++ b/include/uapi/drm/drm_mode.h @@ -105,8 +105,16 @@ struct drm_mode_modeinfo { __u32 clock; - __u16 hdisplay, hsync_start, hsync_end, htotal, hskew; - __u16 vdisplay, vsync_start, vsync_end, vtotal, vscan; + __u16 hdisplay; + __u16 hsync_start; + __u16 hsync_end; + __u16 htotal; + __u16 hskew; + __u16 vdisplay; + __u16 vsync_start; + __u16 vsync_end; + __u16 vtotal; + __u16 vscan; __u32 vrefresh; @@ -124,8 +132,10 @@ struct drm_mode_card_res { __u32 count_crtcs; __u32 count_connectors; __u32 count_encoders; - __u32 min_width, max_width; - __u32 min_height, max_height; + __u32 min_width; + __u32 max_width; + __u32 min_height; + __u32 max_height; }; struct drm_mode_crtc { @@ -135,7 +145,8 @@ struct drm_mode_crtc { __u32 crtc_id; /**< Id */ __u32 fb_id; /**< Id of framebuffer */ - __u32 x, y; /**< Position on the frameuffer */ + __u32 x; /**< x Position on the framebuffer */ + __u32 y; /**< y Position on the framebuffer */ __u32 gamma_size; __u32 mode_valid; @@ -153,12 +164,16 @@ struct drm_mode_set_plane { __u32 flags; /* see above flags */ /* Signed dest location allows it to be partially off screen */ - __s32 crtc_x, crtc_y; - __u32 crtc_w, crtc_h; + __s32 crtc_x; + __s32 crtc_y; + __u32 crtc_w; + __u32 crtc_h; /* Source values are 16.16 fixed point */ - __u32 src_x, src_y; - __u32 src_h, src_w; + __u32 src_x; + __u32 src_y; + __u32 src_h; + __u32 src_w; }; struct drm_mode_get_plane { @@ -244,7 +259,8 @@ struct drm_mode_get_connector { __u32 connector_type_id; __u32 connection; - __u32 mm_width, mm_height; /**< HxW in millimeters */ + __u32 mm_width; /**< width in millimeters */ + __u32 mm_height; /**< height in millimeters */ __u32 subpixel; __u32 pad; @@ -327,7 +343,8 @@ struct drm_mode_get_blob { struct drm_mode_fb_cmd { __u32 fb_id; - __u32 width, height; + __u32 width; + __u32 height; __u32 pitch; __u32 bpp; __u32 depth; @@ -340,7 +357,8 @@ struct drm_mode_fb_cmd { struct drm_mode_fb_cmd2 { __u32 fb_id; - __u32 width, height; + __u32 width; + __u32 height; __u32 pixel_format; /* fourcc code from drm_fourcc.h */ __u32 flags; /* see above flags */ diff --git a/include/uapi/drm/i810_drm.h b/include/uapi/drm/i810_drm.h index 7a10bb6f2c0f..34736efd5824 100644 --- a/include/uapi/drm/i810_drm.h +++ b/include/uapi/drm/i810_drm.h @@ -1,6 +1,8 @@ #ifndef _I810_DRM_H_ #define _I810_DRM_H_ +#include <drm/drm.h> + /* WARNING: These defines must be the same as what the Xserver uses. * if you change them, you must change the defines in the Xserver. */ diff --git a/include/uapi/drm/i915_drm.h b/include/uapi/drm/i915_drm.h index fd5aa47bd689..484a9fb20479 100644 --- a/include/uapi/drm/i915_drm.h +++ b/include/uapi/drm/i915_drm.h @@ -690,7 +690,8 @@ struct drm_i915_gem_exec_object2 { #define EXEC_OBJECT_NEEDS_FENCE (1<<0) #define EXEC_OBJECT_NEEDS_GTT (1<<1) #define EXEC_OBJECT_WRITE (1<<2) -#define __EXEC_OBJECT_UNKNOWN_FLAGS -(EXEC_OBJECT_WRITE<<1) +#define EXEC_OBJECT_SUPPORTS_48B_ADDRESS (1<<3) +#define __EXEC_OBJECT_UNKNOWN_FLAGS -(EXEC_OBJECT_SUPPORTS_48B_ADDRESS<<1) __u64 flags; __u64 rsvd1; diff --git a/include/uapi/drm/nouveau_drm.h b/include/uapi/drm/nouveau_drm.h index 5507eead5863..fd594cc73cc0 100644 --- a/include/uapi/drm/nouveau_drm.h +++ b/include/uapi/drm/nouveau_drm.h @@ -27,14 +27,6 @@ #define DRM_NOUVEAU_EVENT_NVIF 0x80000000 -/* reserved object handles when using deprecated object APIs - these - * are here so that libdrm can allow interoperability with the new - * object APIs - */ -#define NOUVEAU_ABI16_CLIENT 0xffffffff -#define NOUVEAU_ABI16_DEVICE 0xdddddddd -#define NOUVEAU_ABI16_CHAN(n) (0xcccc0000 | (n)) - #define NOUVEAU_GEM_DOMAIN_CPU (1 << 0) #define NOUVEAU_GEM_DOMAIN_VRAM (1 << 1) #define NOUVEAU_GEM_DOMAIN_GART (1 << 2) diff --git a/include/uapi/drm/r128_drm.h b/include/uapi/drm/r128_drm.h index 8d8878b55f55..76b0aa3e8210 100644 --- a/include/uapi/drm/r128_drm.h +++ b/include/uapi/drm/r128_drm.h @@ -33,6 +33,8 @@ #ifndef __R128_DRM_H__ #define __R128_DRM_H__ +#include <drm/drm.h> + /* WARNING: If you change any of these defines, make sure to change the * defines in the X server file (r128_sarea.h) */ diff --git a/include/uapi/drm/savage_drm.h b/include/uapi/drm/savage_drm.h index 818d49be2e6e..9dc9dc1a7753 100644 --- a/include/uapi/drm/savage_drm.h +++ b/include/uapi/drm/savage_drm.h @@ -26,6 +26,8 @@ #ifndef __SAVAGE_DRM_H__ #define __SAVAGE_DRM_H__ +#include <drm/drm.h> + #ifndef __SAVAGE_SAREA_DEFINES__ #define __SAVAGE_SAREA_DEFINES__ diff --git a/include/uapi/drm/sis_drm.h b/include/uapi/drm/sis_drm.h index df3763222d73..374858cdcdaa 100644 --- a/include/uapi/drm/sis_drm.h +++ b/include/uapi/drm/sis_drm.h @@ -64,8 +64,4 @@ typedef struct { unsigned long offset, size; } drm_sis_fb_t; -struct sis_file_private { - struct list_head obj_list; -}; - #endif /* __SIS_DRM_H__ */ diff --git a/include/uapi/drm/via_drm.h b/include/uapi/drm/via_drm.h index 8b0533ccbd5a..45bc80c3714b 100644 --- a/include/uapi/drm/via_drm.h +++ b/include/uapi/drm/via_drm.h @@ -274,8 +274,4 @@ typedef struct drm_via_dmablit { drm_via_blitsync_t sync; } drm_via_dmablit_t; -struct via_file_private { - struct list_head obj_list; -}; - #endif /* _VIA_DRM_H_ */ diff --git a/include/uapi/drm/virtgpu_drm.h b/include/uapi/drm/virtgpu_drm.h new file mode 100644 index 000000000000..fc9e2d6e5e2f --- /dev/null +++ b/include/uapi/drm/virtgpu_drm.h @@ -0,0 +1,167 @@ +/* + * Copyright 2013 Red Hat + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + */ +#ifndef VIRTGPU_DRM_H +#define VIRTGPU_DRM_H + +#include <stddef.h> +#include "drm/drm.h" + +/* Please note that modifications to all structs defined here are + * subject to backwards-compatibility constraints. + * + * Do not use pointers, use uint64_t instead for 32 bit / 64 bit user/kernel + * compatibility Keep fields aligned to their size + */ + +#define DRM_VIRTGPU_MAP 0x01 +#define DRM_VIRTGPU_EXECBUFFER 0x02 +#define DRM_VIRTGPU_GETPARAM 0x03 +#define DRM_VIRTGPU_RESOURCE_CREATE 0x04 +#define DRM_VIRTGPU_RESOURCE_INFO 0x05 +#define DRM_VIRTGPU_TRANSFER_FROM_HOST 0x06 +#define DRM_VIRTGPU_TRANSFER_TO_HOST 0x07 +#define DRM_VIRTGPU_WAIT 0x08 +#define DRM_VIRTGPU_GET_CAPS 0x09 + +struct drm_virtgpu_map { + uint64_t offset; /* use for mmap system call */ + uint32_t handle; + uint32_t pad; +}; + +struct drm_virtgpu_execbuffer { + uint32_t flags; /* for future use */ + uint32_t size; + uint64_t command; /* void* */ + uint64_t bo_handles; + uint32_t num_bo_handles; + uint32_t pad; +}; + +#define VIRTGPU_PARAM_3D_FEATURES 1 /* do we have 3D features in the hw */ + +struct drm_virtgpu_getparam { + uint64_t param; + uint64_t value; +}; + +/* NO_BO flags? NO resource flag? */ +/* resource flag for y_0_top */ +struct drm_virtgpu_resource_create { + uint32_t target; + uint32_t format; + uint32_t bind; + uint32_t width; + uint32_t height; + uint32_t depth; + uint32_t array_size; + uint32_t last_level; + uint32_t nr_samples; + uint32_t flags; + uint32_t bo_handle; /* if this is set - recreate a new resource attached to this bo ? */ + uint32_t res_handle; /* returned by kernel */ + uint32_t size; /* validate transfer in the host */ + uint32_t stride; /* validate transfer in the host */ +}; + +struct drm_virtgpu_resource_info { + uint32_t bo_handle; + uint32_t res_handle; + uint32_t size; + uint32_t stride; +}; + +struct drm_virtgpu_3d_box { + uint32_t x; + uint32_t y; + uint32_t z; + uint32_t w; + uint32_t h; + uint32_t d; +}; + +struct drm_virtgpu_3d_transfer_to_host { + uint32_t bo_handle; + struct drm_virtgpu_3d_box box; + uint32_t level; + uint32_t offset; +}; + +struct drm_virtgpu_3d_transfer_from_host { + uint32_t bo_handle; + struct drm_virtgpu_3d_box box; + uint32_t level; + uint32_t offset; +}; + +#define VIRTGPU_WAIT_NOWAIT 1 /* like it */ +struct drm_virtgpu_3d_wait { + uint32_t handle; /* 0 is an invalid handle */ + uint32_t flags; +}; + +struct drm_virtgpu_get_caps { + uint32_t cap_set_id; + uint32_t cap_set_ver; + uint64_t addr; + uint32_t size; + uint32_t pad; +}; + +#define DRM_IOCTL_VIRTGPU_MAP \ + DRM_IOWR(DRM_COMMAND_BASE + DRM_VIRTGPU_MAP, struct drm_virtgpu_map) + +#define DRM_IOCTL_VIRTGPU_EXECBUFFER \ + DRM_IOW(DRM_COMMAND_BASE + DRM_VIRTGPU_EXECBUFFER,\ + struct drm_virtgpu_execbuffer) + +#define DRM_IOCTL_VIRTGPU_GETPARAM \ + DRM_IOWR(DRM_COMMAND_BASE + DRM_VIRTGPU_GETPARAM,\ + struct drm_virtgpu_getparam) + +#define DRM_IOCTL_VIRTGPU_RESOURCE_CREATE \ + DRM_IOWR(DRM_COMMAND_BASE + DRM_VIRTGPU_RESOURCE_CREATE, \ + struct drm_virtgpu_resource_create) + +#define DRM_IOCTL_VIRTGPU_RESOURCE_INFO \ + DRM_IOWR(DRM_COMMAND_BASE + DRM_VIRTGPU_RESOURCE_INFO, \ + struct drm_virtgpu_resource_info) + +#define DRM_IOCTL_VIRTGPU_TRANSFER_FROM_HOST \ + DRM_IOWR(DRM_COMMAND_BASE + DRM_VIRTGPU_TRANSFER_FROM_HOST, \ + struct drm_virtgpu_3d_transfer_from_host) + +#define DRM_IOCTL_VIRTGPU_TRANSFER_TO_HOST \ + DRM_IOWR(DRM_COMMAND_BASE + DRM_VIRTGPU_TRANSFER_TO_HOST, \ + struct drm_virtgpu_3d_transfer_to_host) + +#define DRM_IOCTL_VIRTGPU_WAIT \ + DRM_IOWR(DRM_COMMAND_BASE + DRM_VIRTGPU_WAIT, \ + struct drm_virtgpu_3d_wait) + +#define DRM_IOCTL_VIRTGPU_GET_CAPS \ + DRM_IOWR(DRM_COMMAND_BASE + DRM_VIRTGPU_GET_CAPS, \ + struct drm_virtgpu_get_caps) + +#endif diff --git a/include/uapi/linux/i2c-dev.h b/include/uapi/linux/i2c-dev.h index 3f311551795d..2f05e66de01e 100644 --- a/include/uapi/linux/i2c-dev.h +++ b/include/uapi/linux/i2c-dev.h @@ -66,7 +66,9 @@ struct i2c_rdwr_ioctl_data { __u32 nmsgs; /* number of i2c_msgs */ }; -#define I2C_RDRW_IOCTL_MAX_MSGS 42 +#define I2C_RDWR_IOCTL_MAX_MSGS 42 +/* Originally defined with a typo, keep it for compatibility */ +#define I2C_RDRW_IOCTL_MAX_MSGS I2C_RDWR_IOCTL_MAX_MSGS #endif /* _UAPI_LINUX_I2C_DEV_H */ diff --git a/include/uapi/linux/nfs.h b/include/uapi/linux/nfs.h index 5199a36dd574..5e6296160361 100644 --- a/include/uapi/linux/nfs.h +++ b/include/uapi/linux/nfs.h @@ -7,6 +7,8 @@ #ifndef _UAPI_LINUX_NFS_H #define _UAPI_LINUX_NFS_H +#include <linux/types.h> + #define NFS_PROGRAM 100003 #define NFS_PORT 2049 #define NFS_MAXDATA 8192 diff --git a/include/uapi/linux/psci.h b/include/uapi/linux/psci.h index 310d83e0a91b..3d7a0fc021a7 100644 --- a/include/uapi/linux/psci.h +++ b/include/uapi/linux/psci.h @@ -46,6 +46,11 @@ #define PSCI_0_2_FN64_MIGRATE PSCI_0_2_FN64(5) #define PSCI_0_2_FN64_MIGRATE_INFO_UP_CPU PSCI_0_2_FN64(7) +#define PSCI_1_0_FN_PSCI_FEATURES PSCI_0_2_FN(10) +#define PSCI_1_0_FN_SYSTEM_SUSPEND PSCI_0_2_FN(14) + +#define PSCI_1_0_FN64_SYSTEM_SUSPEND PSCI_0_2_FN64(14) + /* PSCI v0.2 power state encoding for CPU_SUSPEND function */ #define PSCI_0_2_POWER_STATE_ID_MASK 0xffff #define PSCI_0_2_POWER_STATE_ID_SHIFT 0 @@ -56,6 +61,13 @@ #define PSCI_0_2_POWER_STATE_AFFL_MASK \ (0x3 << PSCI_0_2_POWER_STATE_AFFL_SHIFT) +/* PSCI extended power state encoding for CPU_SUSPEND function */ +#define PSCI_1_0_EXT_POWER_STATE_ID_MASK 0xfffffff +#define PSCI_1_0_EXT_POWER_STATE_ID_SHIFT 0 +#define PSCI_1_0_EXT_POWER_STATE_TYPE_SHIFT 30 +#define PSCI_1_0_EXT_POWER_STATE_TYPE_MASK \ + (0x1 << PSCI_1_0_EXT_POWER_STATE_TYPE_SHIFT) + /* PSCI v0.2 affinity level state returned by AFFINITY_INFO */ #define PSCI_0_2_AFFINITY_LEVEL_ON 0 #define PSCI_0_2_AFFINITY_LEVEL_OFF 1 @@ -76,6 +88,11 @@ #define PSCI_VERSION_MINOR(ver) \ ((ver) & PSCI_VERSION_MINOR_MASK) +/* PSCI features decoding (>=1.0) */ +#define PSCI_1_0_FEATURES_CPU_SUSPEND_PF_SHIFT 1 +#define PSCI_1_0_FEATURES_CPU_SUSPEND_PF_MASK \ + (0x1 << PSCI_1_0_FEATURES_CPU_SUSPEND_PF_SHIFT) + /* PSCI return values (inclusive of all PSCI versions) */ #define PSCI_RET_SUCCESS 0 #define PSCI_RET_NOT_SUPPORTED -1 @@ -86,5 +103,6 @@ #define PSCI_RET_INTERNAL_FAILURE -6 #define PSCI_RET_NOT_PRESENT -7 #define PSCI_RET_DISABLED -8 +#define PSCI_RET_INVALID_ADDRESS -9 #endif /* _UAPI_LINUX_PSCI_H */ diff --git a/include/uapi/linux/vfio.h b/include/uapi/linux/vfio.h index 9fd7b5d8df2f..751b69f858c8 100644 --- a/include/uapi/linux/vfio.h +++ b/include/uapi/linux/vfio.h @@ -39,6 +39,13 @@ #define VFIO_SPAPR_TCE_v2_IOMMU 7 /* + * The No-IOMMU IOMMU offers no translation or isolation for devices and + * supports no ioctls outside of VFIO_CHECK_EXTENSION. Use of VFIO's No-IOMMU + * code will taint the host kernel and should be used with extreme caution. + */ +#define VFIO_NOIOMMU_IOMMU 8 + +/* * The IOCTL interface is designed for extensibility by embedding the * structure length (argsz) and flags into structures passed between * kernel and userspace. We therefore use the _IO() macro for these diff --git a/include/uapi/linux/virtio_gpu.h b/include/uapi/linux/virtio_gpu.h index 478be5270e26..7a63faa9065c 100644 --- a/include/uapi/linux/virtio_gpu.h +++ b/include/uapi/linux/virtio_gpu.h @@ -40,6 +40,8 @@ #include <linux/types.h> +#define VIRTIO_GPU_F_VIRGL 0 + enum virtio_gpu_ctrl_type { VIRTIO_GPU_UNDEFINED = 0, @@ -52,6 +54,18 @@ enum virtio_gpu_ctrl_type { VIRTIO_GPU_CMD_TRANSFER_TO_HOST_2D, VIRTIO_GPU_CMD_RESOURCE_ATTACH_BACKING, VIRTIO_GPU_CMD_RESOURCE_DETACH_BACKING, + VIRTIO_GPU_CMD_GET_CAPSET_INFO, + VIRTIO_GPU_CMD_GET_CAPSET, + + /* 3d commands */ + VIRTIO_GPU_CMD_CTX_CREATE = 0x0200, + VIRTIO_GPU_CMD_CTX_DESTROY, + VIRTIO_GPU_CMD_CTX_ATTACH_RESOURCE, + VIRTIO_GPU_CMD_CTX_DETACH_RESOURCE, + VIRTIO_GPU_CMD_RESOURCE_CREATE_3D, + VIRTIO_GPU_CMD_TRANSFER_TO_HOST_3D, + VIRTIO_GPU_CMD_TRANSFER_FROM_HOST_3D, + VIRTIO_GPU_CMD_SUBMIT_3D, /* cursor commands */ VIRTIO_GPU_CMD_UPDATE_CURSOR = 0x0300, @@ -60,6 +74,8 @@ enum virtio_gpu_ctrl_type { /* success responses */ VIRTIO_GPU_RESP_OK_NODATA = 0x1100, VIRTIO_GPU_RESP_OK_DISPLAY_INFO, + VIRTIO_GPU_RESP_OK_CAPSET_INFO, + VIRTIO_GPU_RESP_OK_CAPSET, /* error responses */ VIRTIO_GPU_RESP_ERR_UNSPEC = 0x1200, @@ -180,13 +196,107 @@ struct virtio_gpu_resp_display_info { } pmodes[VIRTIO_GPU_MAX_SCANOUTS]; }; +/* data passed in the control vq, 3d related */ + +struct virtio_gpu_box { + __le32 x, y, z; + __le32 w, h, d; +}; + +/* VIRTIO_GPU_CMD_TRANSFER_TO_HOST_3D, VIRTIO_GPU_CMD_TRANSFER_FROM_HOST_3D */ +struct virtio_gpu_transfer_host_3d { + struct virtio_gpu_ctrl_hdr hdr; + struct virtio_gpu_box box; + __le64 offset; + __le32 resource_id; + __le32 level; + __le32 stride; + __le32 layer_stride; +}; + +/* VIRTIO_GPU_CMD_RESOURCE_CREATE_3D */ +#define VIRTIO_GPU_RESOURCE_FLAG_Y_0_TOP (1 << 0) +struct virtio_gpu_resource_create_3d { + struct virtio_gpu_ctrl_hdr hdr; + __le32 resource_id; + __le32 target; + __le32 format; + __le32 bind; + __le32 width; + __le32 height; + __le32 depth; + __le32 array_size; + __le32 last_level; + __le32 nr_samples; + __le32 flags; + __le32 padding; +}; + +/* VIRTIO_GPU_CMD_CTX_CREATE */ +struct virtio_gpu_ctx_create { + struct virtio_gpu_ctrl_hdr hdr; + __le32 nlen; + __le32 padding; + char debug_name[64]; +}; + +/* VIRTIO_GPU_CMD_CTX_DESTROY */ +struct virtio_gpu_ctx_destroy { + struct virtio_gpu_ctrl_hdr hdr; +}; + +/* VIRTIO_GPU_CMD_CTX_ATTACH_RESOURCE, VIRTIO_GPU_CMD_CTX_DETACH_RESOURCE */ +struct virtio_gpu_ctx_resource { + struct virtio_gpu_ctrl_hdr hdr; + __le32 resource_id; + __le32 padding; +}; + +/* VIRTIO_GPU_CMD_SUBMIT_3D */ +struct virtio_gpu_cmd_submit { + struct virtio_gpu_ctrl_hdr hdr; + __le32 size; + __le32 padding; +}; + +#define VIRTIO_GPU_CAPSET_VIRGL 1 + +/* VIRTIO_GPU_CMD_GET_CAPSET_INFO */ +struct virtio_gpu_get_capset_info { + struct virtio_gpu_ctrl_hdr hdr; + __le32 capset_index; + __le32 padding; +}; + +/* VIRTIO_GPU_RESP_OK_CAPSET_INFO */ +struct virtio_gpu_resp_capset_info { + struct virtio_gpu_ctrl_hdr hdr; + __le32 capset_id; + __le32 capset_max_version; + __le32 capset_max_size; + __le32 padding; +}; + +/* VIRTIO_GPU_CMD_GET_CAPSET */ +struct virtio_gpu_get_capset { + struct virtio_gpu_ctrl_hdr hdr; + __le32 capset_id; + __le32 capset_version; +}; + +/* VIRTIO_GPU_RESP_OK_CAPSET */ +struct virtio_gpu_resp_capset { + struct virtio_gpu_ctrl_hdr hdr; + uint8_t capset_data[]; +}; + #define VIRTIO_GPU_EVENT_DISPLAY (1 << 0) struct virtio_gpu_config { __u32 events_read; __u32 events_clear; __u32 num_scanouts; - __u32 reserved; + __u32 num_capsets; }; /* simple formats for fbcon/X use */ diff --git a/include/uapi/rdma/ib_user_verbs.h b/include/uapi/rdma/ib_user_verbs.h index 978841eeaff1..8126c143a519 100644 --- a/include/uapi/rdma/ib_user_verbs.h +++ b/include/uapi/rdma/ib_user_verbs.h @@ -92,6 +92,7 @@ enum { enum { IB_USER_VERBS_EX_CMD_QUERY_DEVICE = IB_USER_VERBS_CMD_QUERY_DEVICE, IB_USER_VERBS_EX_CMD_CREATE_CQ = IB_USER_VERBS_CMD_CREATE_CQ, + IB_USER_VERBS_EX_CMD_CREATE_QP = IB_USER_VERBS_CMD_CREATE_QP, IB_USER_VERBS_EX_CMD_CREATE_FLOW = IB_USER_VERBS_CMD_THRESHOLD, IB_USER_VERBS_EX_CMD_DESTROY_FLOW, }; @@ -516,6 +517,25 @@ struct ib_uverbs_create_qp { __u64 driver_data[0]; }; +struct ib_uverbs_ex_create_qp { + __u64 user_handle; + __u32 pd_handle; + __u32 send_cq_handle; + __u32 recv_cq_handle; + __u32 srq_handle; + __u32 max_send_wr; + __u32 max_recv_wr; + __u32 max_send_sge; + __u32 max_recv_sge; + __u32 max_inline_data; + __u8 sq_sig_all; + __u8 qp_type; + __u8 is_srq; + __u8 reserved; + __u32 comp_mask; + __u32 create_flags; +}; + struct ib_uverbs_open_qp { __u64 response; __u64 user_handle; @@ -538,6 +558,12 @@ struct ib_uverbs_create_qp_resp { __u32 reserved; }; +struct ib_uverbs_ex_create_qp_resp { + struct ib_uverbs_create_qp_resp base; + __u32 comp_mask; + __u32 response_length; +}; + /* * This struct needs to remain a multiple of 8 bytes to keep the * alignment of the modify QP parameters. diff --git a/include/video/exynos5433_decon.h b/include/video/exynos5433_decon.h index 3696575b02f2..c1c1ca18abc0 100644 --- a/include/video/exynos5433_decon.h +++ b/include/video/exynos5433_decon.h @@ -82,6 +82,8 @@ /* VIDCON0 */ #define VIDCON0_SWRESET (1 << 28) +#define VIDCON0_CLKVALUP (1 << 14) +#define VIDCON0_VLCKFREE (1 << 5) #define VIDCON0_STOP_STATUS (1 << 2) #define VIDCON0_ENVID (1 << 1) #define VIDCON0_ENVID_F (1 << 0) @@ -137,6 +139,13 @@ /* DECON_UPDATE */ #define STANDALONE_UPDATE_F (1 << 0) +/* DECON_VIDCON1 */ +#define VIDCON1_VCLK_MASK (0x3 << 9) +#define VIDCON1_VCLK_RUN_VDEN_DISABLE (0x3 << 9) +#define VIDCON1_VCLK_HOLD (0x0 << 9) +#define VIDCON1_VCLK_RUN (0x1 << 9) + + /* DECON_VIDTCON00 */ #define VIDTCON00_VBPD_F(x) (((x) & 0xfff) << 16) #define VIDTCON00_VFPD_F(x) ((x) & 0xfff) @@ -159,7 +168,27 @@ #define TRIGCON_TRIGEN_PER_F (1 << 31) #define TRIGCON_TRIGEN_F (1 << 30) #define TRIGCON_TE_AUTO_MASK (1 << 29) +#define TRIGCON_WB_SWTRIGCMD (1 << 28) +#define TRIGCON_SWTRIGCMD_W4BUF (1 << 26) +#define TRIGCON_TRIGMODE_W4BUF (1 << 25) +#define TRIGCON_SWTRIGCMD_W3BUF (1 << 21) +#define TRIGCON_TRIGMODE_W3BUF (1 << 20) +#define TRIGCON_SWTRIGCMD_W2BUF (1 << 16) +#define TRIGCON_TRIGMODE_W2BUF (1 << 15) +#define TRIGCON_SWTRIGCMD_W1BUF (1 << 11) +#define TRIGCON_TRIGMODE_W1BUF (1 << 10) +#define TRIGCON_SWTRIGCMD_W0BUF (1 << 6) +#define TRIGCON_TRIGMODE_W0BUF (1 << 5) +#define TRIGCON_HWTRIGMASK_I80_RGB (1 << 4) +#define TRIGCON_HWTRIGEN_I80_RGB (1 << 3) +#define TRIGCON_HWTRIG_INV_I80_RGB (1 << 2) #define TRIGCON_SWTRIGCMD (1 << 1) #define TRIGCON_SWTRIGEN (1 << 0) +/* DECON_CRCCTRL */ +#define CRCCTRL_CRCCLKEN (0x1 << 2) +#define CRCCTRL_CRCSTART_F (0x1 << 1) +#define CRCCTRL_CRCEN (0x1 << 0) +#define CRCCTRL_MASK (0x7) + #endif /* EXYNOS_REGS_DECON_H */ |