cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
Log | Files | Refs | README | LICENSE | sfeed.txt

blk-pm.h (763B)

      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
      9static inline int blk_pm_resume_queue(const bool pm, struct request_queue *q)
     10{
     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);
     16	return 0;
     17}
     18
     19static inline void blk_pm_mark_last_busy(struct request *rq)
     20{
     21	if (rq->q->dev && !(rq->rq_flags & RQF_PM))
     22		pm_runtime_mark_last_busy(rq->q->dev);
     23}
     24#else
     25static inline int blk_pm_resume_queue(const bool pm, struct request_queue *q)
     26{
     27	return 1;
     28}
     29
     30static inline void blk_pm_mark_last_busy(struct request *rq)
     31{
     32}
     33#endif
     34
     35#endif /* _BLOCK_BLK_PM_H_ */