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-rw-r--r--include/linux/backing-dev-defs.h2
-rw-r--r--include/linux/backing-dev.h12
-rw-r--r--include/linux/blk_types.h7
-rw-r--r--include/linux/blkdev.h96
-rw-r--r--include/linux/blktrace_api.h18
-rw-r--r--include/linux/bsg-lib.h5
-rw-r--r--include/linux/debugfs.h8
-rw-r--r--include/linux/device-mapper.h3
-rw-r--r--include/linux/elevator.h31
-rw-r--r--include/linux/fs.h2
-rw-r--r--include/linux/genhd.h8
-rw-r--r--include/linux/ide.h58
-rw-r--r--include/linux/nvme.h2
13 files changed, 174 insertions, 78 deletions
diff --git a/include/linux/backing-dev-defs.h b/include/linux/backing-dev-defs.h
index e850e76acaaf..ad955817916d 100644
--- a/include/linux/backing-dev-defs.h
+++ b/include/linux/backing-dev-defs.h
@@ -10,6 +10,7 @@
#include <linux/flex_proportions.h>
#include <linux/timer.h>
#include <linux/workqueue.h>
+#include <linux/kref.h>
struct page;
struct device;
@@ -144,6 +145,7 @@ struct backing_dev_info {
char *name;
+ struct kref refcnt; /* Reference counter for the structure */
unsigned int capabilities; /* Device capabilities */
unsigned int min_ratio;
unsigned int max_ratio, max_prop_frac;
diff --git a/include/linux/backing-dev.h b/include/linux/backing-dev.h
index 43b93a947e61..c52a48cb9a66 100644
--- a/include/linux/backing-dev.h
+++ b/include/linux/backing-dev.h
@@ -18,7 +18,14 @@
#include <linux/slab.h>
int __must_check bdi_init(struct backing_dev_info *bdi);
-void bdi_exit(struct backing_dev_info *bdi);
+
+static inline struct backing_dev_info *bdi_get(struct backing_dev_info *bdi)
+{
+ kref_get(&bdi->refcnt);
+ return bdi;
+}
+
+void bdi_put(struct backing_dev_info *bdi);
__printf(3, 4)
int bdi_register(struct backing_dev_info *bdi, struct device *parent,
@@ -29,6 +36,7 @@ void bdi_unregister(struct backing_dev_info *bdi);
int __must_check bdi_setup_and_register(struct backing_dev_info *, char *);
void bdi_destroy(struct backing_dev_info *bdi);
+struct backing_dev_info *bdi_alloc_node(gfp_t gfp_mask, int node_id);
void wb_start_writeback(struct bdi_writeback *wb, long nr_pages,
bool range_cyclic, enum wb_reason reason);
@@ -183,7 +191,7 @@ static inline struct backing_dev_info *inode_to_bdi(struct inode *inode)
sb = inode->i_sb;
#ifdef CONFIG_BLOCK
if (sb_is_blkdev_sb(sb))
- return blk_get_backing_dev_info(I_BDEV(inode));
+ return I_BDEV(inode)->bd_bdi;
#endif
return sb->s_bdi;
}
diff --git a/include/linux/blk_types.h b/include/linux/blk_types.h
index 37c9a43c5e78..d703acb55d0f 100644
--- a/include/linux/blk_types.h
+++ b/include/linux/blk_types.h
@@ -162,6 +162,13 @@ enum req_opf {
/* write the zero filled sector many times */
REQ_OP_WRITE_ZEROES = 8,
+ /* SCSI passthrough using struct scsi_request */
+ REQ_OP_SCSI_IN = 32,
+ REQ_OP_SCSI_OUT = 33,
+ /* Driver private requests */
+ REQ_OP_DRV_IN = 34,
+ REQ_OP_DRV_OUT = 35,
+
REQ_OP_LAST,
};
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index 05675b1dfd20..aecca0e7d9ca 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -71,15 +71,6 @@ struct request_list {
};
/*
- * request command types
- */
-enum rq_cmd_type_bits {
- REQ_TYPE_FS = 1, /* fs request */
- REQ_TYPE_BLOCK_PC, /* scsi command */
- REQ_TYPE_DRV_PRIV, /* driver defined types from here */
-};
-
-/*
* request flags */
typedef __u32 __bitwise req_flags_t;
@@ -128,8 +119,6 @@ typedef __u32 __bitwise req_flags_t;
#define RQF_NOMERGE_FLAGS \
(RQF_STARTED | RQF_SOFTBARRIER | RQF_FLUSH_SEQ | RQF_SPECIAL_PAYLOAD)
-#define BLK_MAX_CDB 16
-
/*
* Try to put the fields that are referenced together in the same cacheline.
*
@@ -147,9 +136,11 @@ struct request {
struct blk_mq_ctx *mq_ctx;
int cpu;
- unsigned cmd_type;
unsigned int cmd_flags; /* op and common flags */
req_flags_t rq_flags;
+
+ int internal_tag;
+
unsigned long atomic_flags;
/* the following two fields are internal, NEVER access directly */
@@ -221,23 +212,11 @@ struct request {
unsigned short ioprio;
- int internal_tag;
-
void *special; /* opaque pointer available for LLD use */
int errors;
- /*
- * when request is used as a packet command carrier
- */
- unsigned char __cmd[BLK_MAX_CDB];
- unsigned char *cmd;
- unsigned short cmd_len;
-
unsigned int extra_len; /* length of alignment and padding */
- unsigned int sense_len;
- unsigned int resid_len; /* residual count */
- void *sense;
unsigned long deadline;
struct list_head timeout_list;
@@ -254,6 +233,21 @@ struct request {
struct request *next_rq;
};
+static inline bool blk_rq_is_scsi(struct request *rq)
+{
+ return req_op(rq) == REQ_OP_SCSI_IN || req_op(rq) == REQ_OP_SCSI_OUT;
+}
+
+static inline bool blk_rq_is_private(struct request *rq)
+{
+ return req_op(rq) == REQ_OP_DRV_IN || req_op(rq) == REQ_OP_DRV_OUT;
+}
+
+static inline bool blk_rq_is_passthrough(struct request *rq)
+{
+ return blk_rq_is_scsi(rq) || blk_rq_is_private(rq);
+}
+
static inline unsigned short req_get_ioprio(struct request *req)
{
return req->ioprio;
@@ -273,6 +267,8 @@ typedef void (softirq_done_fn)(struct request *);
typedef int (dma_drain_needed_fn)(struct request *);
typedef int (lld_busy_fn) (struct request_queue *q);
typedef int (bsg_job_fn) (struct bsg_job *);
+typedef int (init_rq_fn)(struct request_queue *, struct request *, gfp_t);
+typedef void (exit_rq_fn)(struct request_queue *, struct request *);
enum blk_eh_timer_return {
BLK_EH_NOT_HANDLED,
@@ -335,6 +331,7 @@ struct queue_limits {
unsigned short logical_block_size;
unsigned short max_segments;
unsigned short max_integrity_segments;
+ unsigned short max_discard_segments;
unsigned char misaligned;
unsigned char discard_misaligned;
@@ -408,6 +405,8 @@ struct request_queue {
rq_timed_out_fn *rq_timed_out_fn;
dma_drain_needed_fn *dma_drain_needed;
lld_busy_fn *lld_busy_fn;
+ init_rq_fn *init_rq_fn;
+ exit_rq_fn *exit_rq_fn;
const struct blk_mq_ops *mq_ops;
@@ -434,7 +433,8 @@ struct request_queue {
*/
struct delayed_work delay_work;
- struct backing_dev_info backing_dev_info;
+ struct backing_dev_info *backing_dev_info;
+ struct disk_devt *disk_devt;
/*
* The queue owner gets to use this for whatever they like.
@@ -571,12 +571,15 @@ struct request_queue {
struct list_head tag_set_list;
struct bio_set *bio_split;
-#ifdef CONFIG_DEBUG_FS
+#ifdef CONFIG_BLK_DEBUG_FS
struct dentry *debugfs_dir;
struct dentry *mq_debugfs_dir;
#endif
bool mq_sysfs_init_done;
+
+ size_t cmd_size;
+ void *rq_alloc_data;
};
#define QUEUE_FLAG_QUEUED 1 /* uses generic tag queueing */
@@ -703,9 +706,10 @@ static inline void queue_flag_clear(unsigned int flag, struct request_queue *q)
((rq)->cmd_flags & (REQ_FAILFAST_DEV|REQ_FAILFAST_TRANSPORT| \
REQ_FAILFAST_DRIVER))
-#define blk_account_rq(rq) \
- (((rq)->rq_flags & RQF_STARTED) && \
- ((rq)->cmd_type == REQ_TYPE_FS))
+static inline bool blk_account_rq(struct request *rq)
+{
+ return (rq->rq_flags & RQF_STARTED) && !blk_rq_is_passthrough(rq);
+}
#define blk_rq_cpu_valid(rq) ((rq)->cpu != -1)
#define blk_bidi_rq(rq) ((rq)->next_rq != NULL)
@@ -780,7 +784,7 @@ static inline void blk_clear_rl_full(struct request_list *rl, bool sync)
static inline bool rq_mergeable(struct request *rq)
{
- if (rq->cmd_type != REQ_TYPE_FS)
+ if (blk_rq_is_passthrough(rq))
return false;
if (req_op(rq) == REQ_OP_FLUSH)
@@ -918,7 +922,6 @@ 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 *);
extern struct request *blk_get_request(struct request_queue *, int, gfp_t);
-extern void blk_rq_set_block_pc(struct request *);
extern void blk_requeue_request(struct request_queue *, struct request *);
extern int blk_lld_busy(struct request_queue *q);
extern int blk_rq_prep_clone(struct request *rq, struct request *rq_src,
@@ -1055,7 +1058,7 @@ static inline unsigned int blk_rq_get_max_sectors(struct request *rq,
{
struct request_queue *q = rq->q;
- if (unlikely(rq->cmd_type != REQ_TYPE_FS))
+ if (blk_rq_is_passthrough(rq))
return q->limits.max_hw_sectors;
if (!q->limits.chunk_sectors ||
@@ -1137,14 +1140,15 @@ extern void blk_unprep_request(struct request *);
extern struct request_queue *blk_init_queue_node(request_fn_proc *rfn,
spinlock_t *lock, int node_id);
extern struct request_queue *blk_init_queue(request_fn_proc *, spinlock_t *);
-extern struct request_queue *blk_init_allocated_queue(struct request_queue *,
- request_fn_proc *, spinlock_t *);
+extern int blk_init_allocated_queue(struct request_queue *);
extern void blk_cleanup_queue(struct request_queue *);
extern void blk_queue_make_request(struct request_queue *, make_request_fn *);
extern void blk_queue_bounce_limit(struct request_queue *, u64);
extern void blk_queue_max_hw_sectors(struct request_queue *, unsigned int);
extern void blk_queue_chunk_sectors(struct request_queue *, unsigned int);
extern void blk_queue_max_segments(struct request_queue *, unsigned short);
+extern void blk_queue_max_discard_segments(struct request_queue *,
+ unsigned short);
extern void blk_queue_max_segment_size(struct request_queue *, unsigned int);
extern void blk_queue_max_discard_sectors(struct request_queue *q,
unsigned int max_discard_sectors);
@@ -1187,8 +1191,16 @@ extern void blk_queue_rq_timed_out(struct request_queue *, rq_timed_out_fn *);
extern void blk_queue_rq_timeout(struct request_queue *, unsigned int);
extern void blk_queue_flush_queueable(struct request_queue *q, bool queueable);
extern void blk_queue_write_cache(struct request_queue *q, bool enabled, bool fua);
-extern struct backing_dev_info *blk_get_backing_dev_info(struct block_device *bdev);
+/*
+ * Number of physical segments as sent to the device.
+ *
+ * Normally this is the number of discontiguous data segments sent by the
+ * submitter. But for data-less command like discard we might have no
+ * actual data segments submitted, but the driver might have to add it's
+ * own special payload. In that case we still return 1 here so that this
+ * special payload will be mapped.
+ */
static inline unsigned short blk_rq_nr_phys_segments(struct request *rq)
{
if (rq->rq_flags & RQF_SPECIAL_PAYLOAD)
@@ -1196,6 +1208,15 @@ static inline unsigned short blk_rq_nr_phys_segments(struct request *rq)
return rq->nr_phys_segments;
}
+/*
+ * Number of discard segments (or ranges) the driver needs to fill in.
+ * Each discard bio merged into a request is counted as one segment.
+ */
+static inline unsigned short blk_rq_nr_discard_segments(struct request *rq)
+{
+ return max_t(unsigned short, rq->nr_phys_segments, 1);
+}
+
extern int blk_rq_map_sg(struct request_queue *, struct request *, struct scatterlist *);
extern void blk_dump_rq_flags(struct request *, char *);
extern long nr_blockdev_pages(void);
@@ -1384,6 +1405,11 @@ static inline unsigned short queue_max_segments(struct request_queue *q)
return q->limits.max_segments;
}
+static inline unsigned short queue_max_discard_segments(struct request_queue *q)
+{
+ return q->limits.max_discard_segments;
+}
+
static inline unsigned int queue_max_segment_size(struct request_queue *q)
{
return q->limits.max_segment_size;
diff --git a/include/linux/blktrace_api.h b/include/linux/blktrace_api.h
index e417f080219a..d2e908586e3d 100644
--- a/include/linux/blktrace_api.h
+++ b/include/linux/blktrace_api.h
@@ -30,9 +30,6 @@ struct blk_trace {
extern int blk_trace_ioctl(struct block_device *, unsigned, char __user *);
extern void blk_trace_shutdown(struct request_queue *);
-extern int do_blk_trace_setup(struct request_queue *q, char *name,
- dev_t dev, struct block_device *bdev,
- struct blk_user_trace_setup *buts);
extern __printf(2, 3)
void __trace_note_message(struct blk_trace *, const char *fmt, ...);
@@ -80,7 +77,6 @@ extern struct attribute_group blk_trace_attr_group;
#else /* !CONFIG_BLK_DEV_IO_TRACE */
# define blk_trace_ioctl(bdev, cmd, arg) (-ENOTTY)
# define blk_trace_shutdown(q) do { } while (0)
-# define do_blk_trace_setup(q, name, dev, bdev, buts) (-ENOTTY)
# define blk_add_driver_data(q, rq, data, len) do {} while (0)
# define blk_trace_setup(q, name, dev, bdev, arg) (-ENOTTY)
# define blk_trace_startstop(q, start) (-ENOTTY)
@@ -110,16 +106,16 @@ struct compat_blk_user_trace_setup {
#endif
-#if defined(CONFIG_EVENT_TRACING) && defined(CONFIG_BLOCK)
+extern void blk_fill_rwbs(char *rwbs, unsigned int op, int bytes);
-static inline int blk_cmd_buf_len(struct request *rq)
+static inline sector_t blk_rq_trace_sector(struct request *rq)
{
- return (rq->cmd_type == REQ_TYPE_BLOCK_PC) ? rq->cmd_len * 3 : 1;
+ return blk_rq_is_passthrough(rq) ? 0 : blk_rq_pos(rq);
}
-extern void blk_dump_cmd(char *buf, struct request *rq);
-extern void blk_fill_rwbs(char *rwbs, unsigned int op, int bytes);
-
-#endif /* CONFIG_EVENT_TRACING && CONFIG_BLOCK */
+static inline unsigned int blk_rq_trace_nr_sectors(struct request *rq)
+{
+ return blk_rq_is_passthrough(rq) ? 0 : blk_rq_sectors(rq);
+}
#endif
diff --git a/include/linux/bsg-lib.h b/include/linux/bsg-lib.h
index 657a718c27d2..e34dde2da0ef 100644
--- a/include/linux/bsg-lib.h
+++ b/include/linux/bsg-lib.h
@@ -66,9 +66,8 @@ struct bsg_job {
void bsg_job_done(struct bsg_job *job, int result,
unsigned int reply_payload_rcv_len);
-int bsg_setup_queue(struct device *dev, struct request_queue *q, char *name,
- bsg_job_fn *job_fn, int dd_job_size);
-void bsg_request_fn(struct request_queue *q);
+struct request_queue *bsg_setup_queue(struct device *dev, char *name,
+ bsg_job_fn *job_fn, int dd_job_size);
void bsg_job_put(struct bsg_job *job);
int __must_check bsg_job_get(struct bsg_job *job);
diff --git a/include/linux/debugfs.h b/include/linux/debugfs.h
index 014cc564d1c4..c0befcf41b58 100644
--- a/include/linux/debugfs.h
+++ b/include/linux/debugfs.h
@@ -80,6 +80,8 @@ static const struct file_operations __fops = { \
#if defined(CONFIG_DEBUG_FS)
+struct dentry *debugfs_lookup(const char *name, struct dentry *parent);
+
struct dentry *debugfs_create_file(const char *name, umode_t mode,
struct dentry *parent, void *data,
const struct file_operations *fops);
@@ -181,6 +183,12 @@ ssize_t debugfs_write_file_bool(struct file *file, const char __user *user_buf,
* want to duplicate the design decision mistakes of procfs and devfs again.
*/
+static inline struct dentry *debugfs_lookup(const char *name,
+ struct dentry *parent)
+{
+ return ERR_PTR(-ENODEV);
+}
+
static inline struct dentry *debugfs_create_file(const char *name, umode_t mode,
struct dentry *parent, void *data,
const struct file_operations *fops)
diff --git a/include/linux/device-mapper.h b/include/linux/device-mapper.h
index ef7962e84444..a7e6903866fd 100644
--- a/include/linux/device-mapper.h
+++ b/include/linux/device-mapper.h
@@ -55,8 +55,6 @@ typedef void (*dm_dtr_fn) (struct dm_target *ti);
* = 2: The target wants to push back the io
*/
typedef int (*dm_map_fn) (struct dm_target *ti, struct bio *bio);
-typedef int (*dm_map_request_fn) (struct dm_target *ti, struct request *clone,
- union map_info *map_context);
typedef int (*dm_clone_and_map_request_fn) (struct dm_target *ti,
struct request *rq,
union map_info *map_context,
@@ -163,7 +161,6 @@ struct target_type {
dm_ctr_fn ctr;
dm_dtr_fn dtr;
dm_map_fn map;
- dm_map_request_fn map_rq;
dm_clone_and_map_request_fn clone_and_map_rq;
dm_release_clone_request_fn release_clone_rq;
dm_endio_fn end_io;
diff --git a/include/linux/elevator.h b/include/linux/elevator.h
index b5825c4f06f7..aebecc4ed088 100644
--- a/include/linux/elevator.h
+++ b/include/linux/elevator.h
@@ -9,12 +9,22 @@
struct io_cq;
struct elevator_type;
-typedef int (elevator_merge_fn) (struct request_queue *, struct request **,
+/*
+ * Return values from elevator merger
+ */
+enum elv_merge {
+ ELEVATOR_NO_MERGE = 0,
+ ELEVATOR_FRONT_MERGE = 1,
+ ELEVATOR_BACK_MERGE = 2,
+ ELEVATOR_DISCARD_MERGE = 3,
+};
+
+typedef enum elv_merge (elevator_merge_fn) (struct request_queue *, struct request **,
struct bio *);
typedef void (elevator_merge_req_fn) (struct request_queue *, struct request *, struct request *);
-typedef void (elevator_merged_fn) (struct request_queue *, struct request *, int);
+typedef void (elevator_merged_fn) (struct request_queue *, struct request *, enum elv_merge);
typedef int (elevator_allow_bio_merge_fn) (struct request_queue *,
struct request *, struct bio *);
@@ -87,7 +97,7 @@ struct elevator_mq_ops {
bool (*allow_merge)(struct request_queue *, struct request *, struct bio *);
bool (*bio_merge)(struct blk_mq_hw_ctx *, struct bio *);
int (*request_merge)(struct request_queue *q, struct request **, struct bio *);
- void (*request_merged)(struct request_queue *, struct request *, int);
+ void (*request_merged)(struct request_queue *, struct request *, enum elv_merge);
void (*requests_merged)(struct request_queue *, struct request *, struct request *);
struct request *(*get_request)(struct request_queue *, unsigned int, struct blk_mq_alloc_data *);
void (*put_request)(struct request *);
@@ -99,7 +109,7 @@ struct elevator_mq_ops {
void (*requeue_request)(struct request *);
struct request *(*former_request)(struct request_queue *, struct request *);
struct request *(*next_request)(struct request_queue *, struct request *);
- int (*get_rq_priv)(struct request_queue *, struct request *);
+ int (*get_rq_priv)(struct request_queue *, struct request *, struct bio *);
void (*put_rq_priv)(struct request_queue *, struct request *);
void (*init_icq)(struct io_cq *);
void (*exit_icq)(struct io_cq *);
@@ -166,10 +176,12 @@ extern void elv_dispatch_sort(struct request_queue *, struct request *);
extern void elv_dispatch_add_tail(struct request_queue *, struct request *);
extern void elv_add_request(struct request_queue *, struct request *, int);
extern void __elv_add_request(struct request_queue *, struct request *, int);
-extern int elv_merge(struct request_queue *, struct request **, struct bio *);
+extern enum elv_merge elv_merge(struct request_queue *, struct request **,
+ struct bio *);
extern void elv_merge_requests(struct request_queue *, struct request *,
struct request *);
-extern void elv_merged_request(struct request_queue *, struct request *, int);
+extern void elv_merged_request(struct request_queue *, struct request *,
+ enum elv_merge);
extern void elv_bio_merged(struct request_queue *q, struct request *,
struct bio *);
extern bool elv_attempt_insert_merge(struct request_queue *, struct request *);
@@ -219,13 +231,6 @@ extern void elv_rb_del(struct rb_root *, struct request *);
extern struct request *elv_rb_find(struct rb_root *, sector_t);
/*
- * Return values from elevator merger
- */
-#define ELEVATOR_NO_MERGE 0
-#define ELEVATOR_FRONT_MERGE 1
-#define ELEVATOR_BACK_MERGE 2
-
-/*
* Insertion selection
*/
#define ELEVATOR_INSERT_FRONT 1
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 2ba074328894..c930cbc19342 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -423,6 +423,7 @@ struct block_device {
int bd_invalidated;
struct gendisk * bd_disk;
struct request_queue * bd_queue;
+ struct backing_dev_info *bd_bdi;
struct list_head bd_list;
/*
* Private data. You must have bd_claim'ed the block_device
@@ -2342,6 +2343,7 @@ extern struct kmem_cache *names_cachep;
#ifdef CONFIG_BLOCK
extern int register_blkdev(unsigned int, const char *);
extern void unregister_blkdev(unsigned int, const char *);
+extern void bdev_unhash_inode(dev_t dev);
extern struct block_device *bdget(dev_t);
extern struct block_device *bdgrab(struct block_device *bdev);
extern void bd_set_size(struct block_device *, loff_t size);
diff --git a/include/linux/genhd.h b/include/linux/genhd.h
index 76f39754e7b0..a999d281a2f1 100644
--- a/include/linux/genhd.h
+++ b/include/linux/genhd.h
@@ -167,6 +167,13 @@ struct blk_integrity {
};
#endif /* CONFIG_BLK_DEV_INTEGRITY */
+struct disk_devt {
+ atomic_t count;
+ void (*release)(struct disk_devt *disk_devt);
+};
+
+void put_disk_devt(struct disk_devt *disk_devt);
+void get_disk_devt(struct disk_devt *disk_devt);
struct gendisk {
/* major, first_minor and minors are input parameters only,
@@ -176,6 +183,7 @@ struct gendisk {
int first_minor;
int minors; /* maximum number of minors, =1 for
* disks that can't be partitioned. */
+ struct disk_devt *disk_devt;
char disk_name[DISK_NAME_LEN]; /* name of major driver */
char *(*devnode)(struct gendisk *gd, umode_t *mode);
diff --git a/include/linux/ide.h b/include/linux/ide.h
index a633898f36ac..2f51c1724b5a 100644
--- a/include/linux/ide.h
+++ b/include/linux/ide.h
@@ -20,6 +20,7 @@
#include <linux/mutex.h>
/* for request_sense */
#include <linux/cdrom.h>
+#include <scsi/scsi_cmnd.h>
#include <asm/byteorder.h>
#include <asm/io.h>
@@ -39,18 +40,53 @@
struct device;
-/* IDE-specific values for req->cmd_type */
-enum ata_cmd_type_bits {
- REQ_TYPE_ATA_TASKFILE = REQ_TYPE_DRV_PRIV + 1,
- REQ_TYPE_ATA_PC,
- REQ_TYPE_ATA_SENSE, /* sense request */
- REQ_TYPE_ATA_PM_SUSPEND,/* suspend request */
- REQ_TYPE_ATA_PM_RESUME, /* resume request */
+/* values for ide_request.type */
+enum ata_priv_type {
+ ATA_PRIV_MISC,
+ ATA_PRIV_TASKFILE,
+ ATA_PRIV_PC,
+ ATA_PRIV_SENSE, /* sense request */
+ ATA_PRIV_PM_SUSPEND, /* suspend request */
+ ATA_PRIV_PM_RESUME, /* resume request */
};
-#define ata_pm_request(rq) \
- ((rq)->cmd_type == REQ_TYPE_ATA_PM_SUSPEND || \
- (rq)->cmd_type == REQ_TYPE_ATA_PM_RESUME)
+struct ide_request {
+ struct scsi_request sreq;
+ u8 sense[SCSI_SENSE_BUFFERSIZE];
+ u8 type;
+};
+
+static inline struct ide_request *ide_req(struct request *rq)
+{
+ return blk_mq_rq_to_pdu(rq);
+}
+
+static inline bool ata_misc_request(struct request *rq)
+{
+ return blk_rq_is_private(rq) && ide_req(rq)->type == ATA_PRIV_MISC;
+}
+
+static inline bool ata_taskfile_request(struct request *rq)
+{
+ return blk_rq_is_private(rq) && ide_req(rq)->type == ATA_PRIV_TASKFILE;
+}
+
+static inline bool ata_pc_request(struct request *rq)
+{
+ return blk_rq_is_private(rq) && ide_req(rq)->type == ATA_PRIV_PC;
+}
+
+static inline bool ata_sense_request(struct request *rq)
+{
+ return blk_rq_is_private(rq) && ide_req(rq)->type == ATA_PRIV_SENSE;
+}
+
+static inline bool ata_pm_request(struct request *rq)
+{
+ return blk_rq_is_private(rq) &&
+ (ide_req(rq)->type == ATA_PRIV_PM_SUSPEND ||
+ ide_req(rq)->type == ATA_PRIV_PM_RESUME);
+}
/* Error codes returned in rq->errors to the higher part of the driver. */
enum {
@@ -579,7 +615,7 @@ struct ide_drive_s {
/* current sense rq and buffer */
bool sense_rq_armed;
- struct request sense_rq;
+ struct request *sense_rq;
struct request_sense sense_data;
};
diff --git a/include/linux/nvme.h b/include/linux/nvme.h
index 00eac863a9c7..0b676a02cf3e 100644
--- a/include/linux/nvme.h
+++ b/include/linux/nvme.h
@@ -554,6 +554,8 @@ enum {
NVME_DSMGMT_AD = 1 << 2,
};
+#define NVME_DSM_MAX_RANGES 256
+
struct nvme_dsm_range {
__le32 cattr;
__le32 nlb;
generated by cgit v1.2.3-58-ga151 (git 2.39.0) at 2024-12-19 10:05:56 +0000