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