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