1 /* SPDX-License-Identifier: GPL-2.0 */
3 #ifndef _BLOCK_BLK_PM_H_
4 #define _BLOCK_BLK_PM_H_
6 #include <linux/pm_runtime.h>
9 static inline int blk_pm_resume_queue(const bool pm, struct request_queue *q)
11 if (!q->dev || !blk_queue_pm_only(q))
12 return 1; /* Nothing to do */
13 if (pm && q->rpm_status != RPM_SUSPENDED)
14 return 1; /* Request allowed */
15 pm_request_resume(q->dev);
19 static inline void blk_pm_mark_last_busy(struct request *rq)
21 if (rq->q->dev && !(rq->rq_flags & RQF_PM))
22 pm_runtime_mark_last_busy(rq->q->dev);
25 static inline void blk_pm_requeue_request(struct request *rq)
27 lockdep_assert_held(&rq->q->queue_lock);
29 if (rq->q->dev && !(rq->rq_flags & RQF_PM))
33 static inline void blk_pm_add_request(struct request_queue *q,
36 lockdep_assert_held(&q->queue_lock);
38 if (q->dev && !(rq->rq_flags & RQF_PM))
42 static inline void blk_pm_put_request(struct request *rq)
44 lockdep_assert_held(&rq->q->queue_lock);
46 if (rq->q->dev && !(rq->rq_flags & RQF_PM))
50 static inline int blk_pm_resume_queue(const bool pm, struct request_queue *q)
55 static inline void blk_pm_mark_last_busy(struct request *rq)
59 static inline void blk_pm_requeue_request(struct request *rq)
63 static inline void blk_pm_add_request(struct request_queue *q,
68 static inline void blk_pm_put_request(struct request *rq)
73 #endif /* _BLOCK_BLK_PM_H_ */