mirror of https://gitee.com/openkylin/linux.git
70 lines
1.4 KiB
C
70 lines
1.4 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
|
|
|
|
#ifndef _BLOCK_BLK_PM_H_
|
|
#define _BLOCK_BLK_PM_H_
|
|
|
|
#include <linux/pm_runtime.h>
|
|
|
|
#ifdef CONFIG_PM
|
|
static inline void blk_pm_request_resume(struct request_queue *q)
|
|
{
|
|
if (q->dev && (q->rpm_status == RPM_SUSPENDED ||
|
|
q->rpm_status == RPM_SUSPENDING))
|
|
pm_request_resume(q->dev);
|
|
}
|
|
|
|
static inline void blk_pm_mark_last_busy(struct request *rq)
|
|
{
|
|
if (rq->q->dev && !(rq->rq_flags & RQF_PM))
|
|
pm_runtime_mark_last_busy(rq->q->dev);
|
|
}
|
|
|
|
static inline void blk_pm_requeue_request(struct request *rq)
|
|
{
|
|
lockdep_assert_held(&rq->q->queue_lock);
|
|
|
|
if (rq->q->dev && !(rq->rq_flags & RQF_PM))
|
|
rq->q->nr_pending--;
|
|
}
|
|
|
|
static inline void blk_pm_add_request(struct request_queue *q,
|
|
struct request *rq)
|
|
{
|
|
lockdep_assert_held(&q->queue_lock);
|
|
|
|
if (q->dev && !(rq->rq_flags & RQF_PM))
|
|
q->nr_pending++;
|
|
}
|
|
|
|
static inline void blk_pm_put_request(struct request *rq)
|
|
{
|
|
lockdep_assert_held(&rq->q->queue_lock);
|
|
|
|
if (rq->q->dev && !(rq->rq_flags & RQF_PM))
|
|
--rq->q->nr_pending;
|
|
}
|
|
#else
|
|
static inline void blk_pm_request_resume(struct request_queue *q)
|
|
{
|
|
}
|
|
|
|
static inline void blk_pm_mark_last_busy(struct request *rq)
|
|
{
|
|
}
|
|
|
|
static inline void blk_pm_requeue_request(struct request *rq)
|
|
{
|
|
}
|
|
|
|
static inline void blk_pm_add_request(struct request_queue *q,
|
|
struct request *rq)
|
|
{
|
|
}
|
|
|
|
static inline void blk_pm_put_request(struct request *rq)
|
|
{
|
|
}
|
|
#endif
|
|
|
|
#endif /* _BLOCK_BLK_PM_H_ */
|