1/* SPDX-License-Identifier: GPL-2.0 */
 2#ifndef INT_BLK_MQ_DEBUGFS_H
 3#define INT_BLK_MQ_DEBUGFS_H
 4
 5#ifdef CONFIG_BLK_DEBUG_FS
 6
 7#include <linux/seq_file.h>
 8
 9struct blk_mq_debugfs_attr {
10	const char *name;
11	umode_t mode;
12	int (*show)(void *, struct seq_file *);
13	ssize_t (*write)(void *, const char __user *, size_t, loff_t *);
14	/* Set either .show or .seq_ops. */
15	const struct seq_operations *seq_ops;
16};
17
18int __blk_mq_debugfs_rq_show(struct seq_file *m, struct request *rq);
19int blk_mq_debugfs_rq_show(struct seq_file *m, void *v);
20
21int blk_mq_debugfs_register(struct request_queue *q);
22void blk_mq_debugfs_unregister(struct request_queue *q);
23int blk_mq_debugfs_register_hctx(struct request_queue *q,
24				 struct blk_mq_hw_ctx *hctx);
25void blk_mq_debugfs_unregister_hctx(struct blk_mq_hw_ctx *hctx);
26int blk_mq_debugfs_register_hctxs(struct request_queue *q);
27void blk_mq_debugfs_unregister_hctxs(struct request_queue *q);
28
29int blk_mq_debugfs_register_sched(struct request_queue *q);
30void blk_mq_debugfs_unregister_sched(struct request_queue *q);
31int blk_mq_debugfs_register_sched_hctx(struct request_queue *q,
32				       struct blk_mq_hw_ctx *hctx);
33void blk_mq_debugfs_unregister_sched_hctx(struct blk_mq_hw_ctx *hctx);
 
 
 
 
34#else
35static inline int blk_mq_debugfs_register(struct request_queue *q)
36{
37	return 0;
38}
39
40static inline void blk_mq_debugfs_unregister(struct request_queue *q)
41{
42}
43
44static inline int blk_mq_debugfs_register_hctx(struct request_queue *q,
45					       struct blk_mq_hw_ctx *hctx)
46{
47	return 0;
48}
49
50static inline void blk_mq_debugfs_unregister_hctx(struct blk_mq_hw_ctx *hctx)
51{
52}
53
54static inline int blk_mq_debugfs_register_hctxs(struct request_queue *q)
55{
56	return 0;
57}
58
59static inline void blk_mq_debugfs_unregister_hctxs(struct request_queue *q)
60{
61}
62
63static inline int blk_mq_debugfs_register_sched(struct request_queue *q)
64{
65	return 0;
66}
67
68static inline void blk_mq_debugfs_unregister_sched(struct request_queue *q)
69{
70}
71
72static inline int blk_mq_debugfs_register_sched_hctx(struct request_queue *q,
73						     struct blk_mq_hw_ctx *hctx)
74{
75	return 0;
76}
77
78static inline void blk_mq_debugfs_unregister_sched_hctx(struct blk_mq_hw_ctx *hctx)
79{
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
80}
81#endif
82
83#endif

  1/* SPDX-License-Identifier: GPL-2.0 */
  2#ifndef INT_BLK_MQ_DEBUGFS_H
  3#define INT_BLK_MQ_DEBUGFS_H
  4
  5#ifdef CONFIG_BLK_DEBUG_FS
  6
  7#include <linux/seq_file.h>
  8
  9struct blk_mq_debugfs_attr {
 10	const char *name;
 11	umode_t mode;
 12	int (*show)(void *, struct seq_file *);
 13	ssize_t (*write)(void *, const char __user *, size_t, loff_t *);
 14	/* Set either .show or .seq_ops. */
 15	const struct seq_operations *seq_ops;
 16};
 17
 18int __blk_mq_debugfs_rq_show(struct seq_file *m, struct request *rq);
 19int blk_mq_debugfs_rq_show(struct seq_file *m, void *v);
 20
 21void blk_mq_debugfs_register(struct request_queue *q);
 22void blk_mq_debugfs_unregister(struct request_queue *q);
 23void blk_mq_debugfs_register_hctx(struct request_queue *q,
 24				  struct blk_mq_hw_ctx *hctx);
 25void blk_mq_debugfs_unregister_hctx(struct blk_mq_hw_ctx *hctx);
 26void blk_mq_debugfs_register_hctxs(struct request_queue *q);
 27void blk_mq_debugfs_unregister_hctxs(struct request_queue *q);
 28
 29void blk_mq_debugfs_register_sched(struct request_queue *q);
 30void blk_mq_debugfs_unregister_sched(struct request_queue *q);
 31void blk_mq_debugfs_register_sched_hctx(struct request_queue *q,
 32				       struct blk_mq_hw_ctx *hctx);
 33void blk_mq_debugfs_unregister_sched_hctx(struct blk_mq_hw_ctx *hctx);
 34
 35void blk_mq_debugfs_register_rqos(struct rq_qos *rqos);
 36void blk_mq_debugfs_unregister_rqos(struct rq_qos *rqos);
 37void blk_mq_debugfs_unregister_queue_rqos(struct request_queue *q);
 38#else
 39static inline void blk_mq_debugfs_register(struct request_queue *q)
 40{
 
 41}
 42
 43static inline void blk_mq_debugfs_unregister(struct request_queue *q)
 44{
 45}
 46
 47static inline void blk_mq_debugfs_register_hctx(struct request_queue *q,
 48						struct blk_mq_hw_ctx *hctx)
 49{
 
 50}
 51
 52static inline void blk_mq_debugfs_unregister_hctx(struct blk_mq_hw_ctx *hctx)
 53{
 54}
 55
 56static inline void blk_mq_debugfs_register_hctxs(struct request_queue *q)
 57{
 
 58}
 59
 60static inline void blk_mq_debugfs_unregister_hctxs(struct request_queue *q)
 61{
 62}
 63
 64static inline void blk_mq_debugfs_register_sched(struct request_queue *q)
 65{
 
 66}
 67
 68static inline void blk_mq_debugfs_unregister_sched(struct request_queue *q)
 69{
 70}
 71
 72static inline void blk_mq_debugfs_register_sched_hctx(struct request_queue *q,
 73						      struct blk_mq_hw_ctx *hctx)
 74{
 
 75}
 76
 77static inline void blk_mq_debugfs_unregister_sched_hctx(struct blk_mq_hw_ctx *hctx)
 78{
 79}
 80
 81static inline void blk_mq_debugfs_register_rqos(struct rq_qos *rqos)
 82{
 83}
 84
 85static inline void blk_mq_debugfs_unregister_rqos(struct rq_qos *rqos)
 86{
 87}
 88
 89static inline void blk_mq_debugfs_unregister_queue_rqos(struct request_queue *q)
 90{
 91}
 92#endif
 93
 94#ifdef CONFIG_BLK_DEBUG_FS_ZONED
 95int queue_zone_wlock_show(void *data, struct seq_file *m);
 96#else
 97static inline int queue_zone_wlock_show(void *data, struct seq_file *m)
 98{
 99	return 0;
100}
101#endif
102
103#endif