blob: b9d366e57097dad4d1149ac1a6822fad10b8ffe0 [file] [log] [blame]
Greg Kroah-Hartmanb2441312017-11-01 15:07:57 +01001/* SPDX-License-Identifier: GPL-2.0 */
Omar Sandovald173a252017-05-04 00:31:30 -07002#ifndef INT_BLK_MQ_DEBUGFS_H
3#define INT_BLK_MQ_DEBUGFS_H
4
5#ifdef CONFIG_BLK_DEBUG_FS
Omar Sandovald332ce02017-05-04 08:24:40 -06006
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
Omar Sandovaldaaadb32017-05-04 00:31:34 -070018int __blk_mq_debugfs_rq_show(struct seq_file *m, struct request *rq);
Omar Sandoval16b738f2017-05-04 00:31:33 -070019int blk_mq_debugfs_rq_show(struct seq_file *m, void *v);
20
Omar Sandovald173a252017-05-04 00:31:30 -070021int blk_mq_debugfs_register(struct request_queue *q);
22void blk_mq_debugfs_unregister(struct request_queue *q);
Omar Sandoval9c1051a2017-05-04 08:17:21 -060023int 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);
Omar Sandovald332ce02017-05-04 08:24:40 -060028
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);
Omar Sandovald173a252017-05-04 00:31:30 -070034#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
Omar Sandoval9c1051a2017-05-04 08:17:21 -060044static inline int blk_mq_debugfs_register_hctx(struct request_queue *q,
45 struct blk_mq_hw_ctx *hctx)
Omar Sandovald173a252017-05-04 00:31:30 -070046{
47 return 0;
48}
49
Omar Sandoval9c1051a2017-05-04 08:17:21 -060050static 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)
Omar Sandovald173a252017-05-04 00:31:30 -070060{
61}
Omar Sandovald332ce02017-05-04 08:24:40 -060062
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}
Omar Sandovald173a252017-05-04 00:31:30 -070081#endif
82
83#endif