projects / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| bca6b067 BVA |
1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| 2 | ||
| 3 | #ifndef _BLOCK_BLK_PM_H_ | |
| 4 | #define _BLOCK_BLK_PM_H_ | |
| 5 | ||
| 6 | #include <linux/pm_runtime.h> | |
| 7 | ||
| 8 | #ifdef CONFIG_PM | |
| 154b00d5 BVA |
9 | static inline void blk_pm_request_resume(struct request_queue *q) |
| 10 | { | |
| 11 | if (q->dev && (q->rpm_status == RPM_SUSPENDED || | |
| 12 | q->rpm_status == RPM_SUSPENDING)) | |
| 13 | pm_request_resume(q->dev); | |
| 14 | } | |
| 15 | ||
| 16 | static inline void blk_pm_mark_last_busy(struct request *rq) | |
| 17 | { | |
| 18 | if (rq->q->dev && !(rq->rq_flags & RQF_PM)) | |
| 19 | pm_runtime_mark_last_busy(rq->q->dev); | |
| 20 | } | |
| 21 | ||
| bca6b067 BVA |
22 | static inline void blk_pm_requeue_request(struct request *rq) |
| 23 | { | |
| 0d945c1f | 24 | lockdep_assert_held(&rq->q->queue_lock); |
| 154b00d5 | 25 | |
| bca6b067 BVA |
26 | if (rq->q->dev && !(rq->rq_flags & RQF_PM)) |
| 27 | rq->q->nr_pending--; | |
| 28 | } | |
| 29 | ||
| 30 | static inline void blk_pm_add_request(struct request_queue *q, | |
| 31 | struct request *rq) | |
| 32 | { | |
| 0d945c1f | 33 | lockdep_assert_held(&q->queue_lock); |
| 154b00d5 BVA |
34 | |
| 35 | if (q->dev && !(rq->rq_flags & RQF_PM)) | |
| 36 | q->nr_pending++; | |
| bca6b067 BVA |
37 | } |
| 38 | ||
| 39 | static inline void blk_pm_put_request(struct request *rq) | |
| 40 | { | |
| 0d945c1f | 41 | lockdep_assert_held(&rq->q->queue_lock); |
| 154b00d5 BVA |
42 | |
| 43 | if (rq->q->dev && !(rq->rq_flags & RQF_PM)) | |
| 44 | --rq->q->nr_pending; | |
| bca6b067 BVA |
45 | } |
| 46 | #else | |
| 154b00d5 BVA |
47 | static inline void blk_pm_request_resume(struct request_queue *q) |
| 48 | { | |
| 49 | } | |
| 50 | ||
| 51 | static inline void blk_pm_mark_last_busy(struct request *rq) | |
| 52 | { | |
| 53 | } | |
| 54 | ||
| bca6b067 BVA |
55 | static inline void blk_pm_requeue_request(struct request *rq) |
| 56 | { | |
| 57 | } | |
| 58 | ||
| 59 | static inline void blk_pm_add_request(struct request_queue *q, | |
| 60 | struct request *rq) | |
| 61 | { | |
| 62 | } | |
| 63 | ||
| 64 | static inline void blk_pm_put_request(struct request *rq) | |
| 65 | { | |
| 66 | } | |
| 67 | #endif | |
| 68 | ||
| 69 | #endif /* _BLOCK_BLK_PM_H_ */ |