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authorChristoph Hellwig <hch@lst.de>2015-04-17 22:37:20 +0200
committerJens Axboe <axboe@fb.com>2015-05-05 21:40:42 +0200
commita7928c1578c550bd6f4dec62d65132e6db226c57 (patch)
tree1a9a13abf0679e7dc4e1e5124cd4fcb3c0ac1265 /include
parentblock: remove REQ_TYPE_PM_SHUTDOWN (diff)
downloadlinux-a7928c1578c550bd6f4dec62d65132e6db226c57.tar.xz
linux-a7928c1578c550bd6f4dec62d65132e6db226c57.zip
block: move PM request support to IDE
This removes the request types and hacks from the block code and into the old IDE driver. There is a small amunt of code duplication due to this, but it's not too bad. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Jens Axboe <axboe@fb.com>
Diffstat (limited to 'include')
-rw-r--r--include/linux/blkdev.h21
-rw-r--r--include/linux/ide.h19
2 files changed, 20 insertions, 20 deletions
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index c2829ba5e738..2da818a48097 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -30,7 +30,6 @@ struct scsi_ioctl_command;
struct request_queue;
struct elevator_queue;
-struct request_pm_state;
struct blk_trace;
struct request;
struct sg_io_hdr;
@@ -75,8 +74,6 @@ struct request_list {
enum rq_cmd_type_bits {
REQ_TYPE_FS = 1, /* fs request */
REQ_TYPE_BLOCK_PC, /* scsi command */
- REQ_TYPE_PM_SUSPEND, /* suspend request */
- REQ_TYPE_PM_RESUME, /* resume request */
REQ_TYPE_DRV_PRIV, /* driver defined types from here */
};
@@ -207,19 +204,6 @@ static inline unsigned short req_get_ioprio(struct request *req)
return req->ioprio;
}
-/*
- * State information carried for REQ_TYPE_PM_SUSPEND and REQ_TYPE_PM_RESUME
- * requests. Some step values could eventually be made generic.
- */
-struct request_pm_state
-{
- /* PM state machine step value, currently driver specific */
- int pm_step;
- /* requested PM state value (S1, S2, S3, S4, ...) */
- u32 pm_state;
- void* data; /* for driver use */
-};
-
#include <linux/elevator.h>
struct blk_queue_ctx;
@@ -601,10 +585,6 @@ static inline void queue_flag_clear(unsigned int flag, struct request_queue *q)
(((rq)->cmd_flags & REQ_STARTED) && \
((rq)->cmd_type == REQ_TYPE_FS))
-#define blk_pm_request(rq) \
- ((rq)->cmd_type == REQ_TYPE_PM_SUSPEND || \
- (rq)->cmd_type == REQ_TYPE_PM_RESUME)
-
#define blk_rq_cpu_valid(rq) ((rq)->cpu != -1)
#define blk_bidi_rq(rq) ((rq)->next_rq != NULL)
/* rq->queuelist of dequeued request must be list_empty() */
@@ -838,6 +818,7 @@ extern void blk_stop_queue(struct request_queue *q);
extern void blk_sync_queue(struct request_queue *q);
extern void __blk_stop_queue(struct request_queue *q);
extern void __blk_run_queue(struct request_queue *q);
+extern void __blk_run_queue_uncond(struct request_queue *q);
extern void blk_run_queue(struct request_queue *);
extern void blk_run_queue_async(struct request_queue *q);
extern int blk_rq_map_user(struct request_queue *, struct request *,
diff --git a/include/linux/ide.h b/include/linux/ide.h
index 9856b7d455d9..a633898f36ac 100644
--- a/include/linux/ide.h
+++ b/include/linux/ide.h
@@ -44,8 +44,14 @@ 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 */
};
+#define ata_pm_request(rq) \
+ ((rq)->cmd_type == REQ_TYPE_ATA_PM_SUSPEND || \
+ (rq)->cmd_type == REQ_TYPE_ATA_PM_RESUME)
+
/* Error codes returned in rq->errors to the higher part of the driver. */
enum {
IDE_DRV_ERROR_GENERAL = 101,
@@ -1321,6 +1327,19 @@ struct ide_port_info {
u8 udma_mask;
};
+/*
+ * State information carried for REQ_TYPE_ATA_PM_SUSPEND and REQ_TYPE_ATA_PM_RESUME
+ * requests.
+ */
+struct ide_pm_state {
+ /* PM state machine step value, currently driver specific */
+ int pm_step;
+ /* requested PM state value (S1, S2, S3, S4, ...) */
+ u32 pm_state;
+ void* data; /* for driver use */
+};
+
+
int ide_pci_init_one(struct pci_dev *, const struct ide_port_info *, void *);
int ide_pci_init_two(struct pci_dev *, struct pci_dev *,
const struct ide_port_info *, void *);