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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 | ||
9 | struct 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 | ||
18 | int __blk_mq_debugfs_rq_show(struct seq_file *m, struct request *rq); | |
19 | int blk_mq_debugfs_rq_show(struct seq_file *m, void *v); | |
20 | ||
21 | int blk_mq_debugfs_register(struct request_queue *q); | |
22 | void blk_mq_debugfs_unregister(struct request_queue *q); | |
23 | int blk_mq_debugfs_register_hctx(struct request_queue *q, | |
24 | struct blk_mq_hw_ctx *hctx); | |
25 | void blk_mq_debugfs_unregister_hctx(struct blk_mq_hw_ctx *hctx); | |
26 | int blk_mq_debugfs_register_hctxs(struct request_queue *q); | |
27 | void blk_mq_debugfs_unregister_hctxs(struct request_queue *q); | |
28 | ||
29 | int blk_mq_debugfs_register_sched(struct request_queue *q); | |
30 | void blk_mq_debugfs_unregister_sched(struct request_queue *q); | |
31 | int blk_mq_debugfs_register_sched_hctx(struct request_queue *q, | |
32 | struct blk_mq_hw_ctx *hctx); | |
33 | void blk_mq_debugfs_unregister_sched_hctx(struct blk_mq_hw_ctx *hctx); | |
34 | ||
35 | int blk_mq_debugfs_register_rqos(struct rq_qos *rqos); | |
36 | void blk_mq_debugfs_unregister_rqos(struct rq_qos *rqos); | |
37 | void blk_mq_debugfs_unregister_queue_rqos(struct request_queue *q); | |
38 | #else | |
39 | static inline int blk_mq_debugfs_register(struct request_queue *q) | |
40 | { | |
41 | return 0; | |
42 | } | |
43 | ||
44 | static inline void blk_mq_debugfs_unregister(struct request_queue *q) | |
45 | { | |
46 | } | |
47 | ||
48 | static inline int blk_mq_debugfs_register_hctx(struct request_queue *q, | |
49 | struct blk_mq_hw_ctx *hctx) | |
50 | { | |
51 | return 0; | |
52 | } | |
53 | ||
54 | static inline void blk_mq_debugfs_unregister_hctx(struct blk_mq_hw_ctx *hctx) | |
55 | { | |
56 | } | |
57 | ||
58 | static inline int blk_mq_debugfs_register_hctxs(struct request_queue *q) | |
59 | { | |
60 | return 0; | |
61 | } | |
62 | ||
63 | static inline void blk_mq_debugfs_unregister_hctxs(struct request_queue *q) | |
64 | { | |
65 | } | |
66 | ||
67 | static inline int blk_mq_debugfs_register_sched(struct request_queue *q) | |
68 | { | |
69 | return 0; | |
70 | } | |
71 | ||
72 | static inline void blk_mq_debugfs_unregister_sched(struct request_queue *q) | |
73 | { | |
74 | } | |
75 | ||
76 | static inline int blk_mq_debugfs_register_sched_hctx(struct request_queue *q, | |
77 | struct blk_mq_hw_ctx *hctx) | |
78 | { | |
79 | return 0; | |
80 | } | |
81 | ||
82 | static inline void blk_mq_debugfs_unregister_sched_hctx(struct blk_mq_hw_ctx *hctx) | |
83 | { | |
84 | } | |
85 | ||
86 | static inline int blk_mq_debugfs_register_rqos(struct rq_qos *rqos) | |
87 | { | |
88 | return 0; | |
89 | } | |
90 | ||
91 | static inline void blk_mq_debugfs_unregister_rqos(struct rq_qos *rqos) | |
92 | { | |
93 | } | |
94 | ||
95 | static inline void blk_mq_debugfs_unregister_queue_rqos(struct request_queue *q) | |
96 | { | |
97 | } | |
98 | #endif | |
99 | ||
100 | #ifdef CONFIG_BLK_DEBUG_FS_ZONED | |
101 | int queue_zone_wlock_show(void *data, struct seq_file *m); | |
102 | #else | |
103 | static inline int queue_zone_wlock_show(void *data, struct seq_file *m) | |
104 | { | |
105 | return 0; | |
106 | } | |
107 | #endif | |
108 | ||
109 | #endif |