1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef INT_BLK_MQ_DEBUGFS_H
3 #define INT_BLK_MQ_DEBUGFS_H
5 #ifdef CONFIG_BLK_DEBUG_FS
7 #include <linux/seq_file.h>
9 struct blk_mq_debugfs_attr
{
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
;
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
);
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
);
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
);
35 static inline int blk_mq_debugfs_register(struct request_queue
*q
)
40 static inline void blk_mq_debugfs_unregister(struct request_queue
*q
)
44 static inline int blk_mq_debugfs_register_hctx(struct request_queue
*q
,
45 struct blk_mq_hw_ctx
*hctx
)
50 static inline void blk_mq_debugfs_unregister_hctx(struct blk_mq_hw_ctx
*hctx
)
54 static inline int blk_mq_debugfs_register_hctxs(struct request_queue
*q
)
59 static inline void blk_mq_debugfs_unregister_hctxs(struct request_queue
*q
)
63 static inline int blk_mq_debugfs_register_sched(struct request_queue
*q
)
68 static inline void blk_mq_debugfs_unregister_sched(struct request_queue
*q
)
72 static inline int blk_mq_debugfs_register_sched_hctx(struct request_queue
*q
,
73 struct blk_mq_hw_ctx
*hctx
)
78 static inline void blk_mq_debugfs_unregister_sched_hctx(struct blk_mq_hw_ctx
*hctx
)
83 #ifdef CONFIG_BLK_DEBUG_FS_ZONED
84 int queue_zone_wlock_show(void *data
, struct seq_file
*m
);
86 static inline int queue_zone_wlock_show(void *data
, struct seq_file
*m
)