1 /* SPDX-License-Identifier: GPL-2.0 */ 1
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
9 struct blk_mq_hw_ctx;
10
11 struct 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 __
16 /* Set either .show or .seq_ops. */
17 const struct seq_operations *seq_ops;
18 };
19
20 int __blk_mq_debugfs_rq_show(struct seq_file *
21 int blk_mq_debugfs_rq_show(struct seq_file *m,
22
23 void blk_mq_debugfs_register(struct request_qu
24 void blk_mq_debugfs_register_hctx(struct reque
25 struct blk_m
26 void blk_mq_debugfs_unregister_hctx(struct blk
27 void blk_mq_debugfs_register_hctxs(struct requ
28 void blk_mq_debugfs_unregister_hctxs(struct re
29
30 void blk_mq_debugfs_register_sched(struct requ
31 void blk_mq_debugfs_unregister_sched(struct re
32 void blk_mq_debugfs_register_sched_hctx(struct
33 struct
34 void blk_mq_debugfs_unregister_sched_hctx(stru
35
36 void blk_mq_debugfs_register_rqos(struct rq_qo
37 void blk_mq_debugfs_unregister_rqos(struct rq_
38 #else
39 static inline void blk_mq_debugfs_register(str
40 {
41 }
42
43 static inline void blk_mq_debugfs_register_hct
44
45 {
46 }
47
48 static inline void blk_mq_debugfs_unregister_h
49 {
50 }
51
52 static inline void blk_mq_debugfs_register_hct
53 {
54 }
55
56 static inline void blk_mq_debugfs_unregister_h
57 {
58 }
59
60 static inline void blk_mq_debugfs_register_sch
61 {
62 }
63
64 static inline void blk_mq_debugfs_unregister_s
65 {
66 }
67
68 static inline void blk_mq_debugfs_register_sch
69
70 {
71 }
72
73 static inline void blk_mq_debugfs_unregister_s
74 {
75 }
76
77 static inline void blk_mq_debugfs_register_rqo
78 {
79 }
80
81 static inline void blk_mq_debugfs_unregister_r
82 {
83 }
84 #endif
85
86 #if defined(CONFIG_BLK_DEV_ZONED) && defined(C
87 int queue_zone_wplugs_show(void *data, struct
88 #else
89 static inline int queue_zone_wplugs_show(void
90 {
91 return 0;
92 }
93 #endif
94
95 #endif
96
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