LXR linux/include/linux/blk-pm.h

   1/* SPDX-License-Identifier: GPL-2.0 */
   2
   3#ifndef _BLK_PM_H_
   4#define _BLK_PM_H_
   5
   6struct device;
   7struct request_queue;
   8
   9/*
  10 * block layer runtime pm functions
  11 */
  12#ifdef CONFIG_PM
  13extern void blk_pm_runtime_init(struct request_queue *q, struct device *dev);
  14extern int blk_pre_runtime_suspend(struct request_queue *q);
  15extern void blk_post_runtime_suspend(struct request_queue *q, int err);
  16extern void blk_pre_runtime_resume(struct request_queue *q);
  17extern void blk_post_runtime_resume(struct request_queue *q, int err);
  18extern void blk_set_runtime_active(struct request_queue *q);
  19#else
  20static inline void blk_pm_runtime_init(struct request_queue *q,
  21                                       struct device *dev) {}
  22#endif
  23
  24#endif /* _BLK_PM_H_ */
  25