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>
11 struct blk_mq_debugfs_attr {
14 int (*show)(void *, struct seq_file *);
15 ssize_t (*write)(void *, const char __user *, size_t, loff_t *);
16 /* Set either .show or .seq_ops. */
17 const struct seq_operations *seq_ops;
20 int __blk_mq_debugfs_rq_show(struct seq_file *m, struct request *rq);
21 int blk_mq_debugfs_rq_show(struct seq_file *m, void *v);
23 void blk_mq_debugfs_register(struct request_queue *q);
24 void blk_mq_debugfs_register_hctx(struct request_queue *q,
25 struct blk_mq_hw_ctx *hctx);
26 void blk_mq_debugfs_unregister_hctx(struct blk_mq_hw_ctx *hctx);
27 void blk_mq_debugfs_register_hctxs(struct request_queue *q);
28 void blk_mq_debugfs_unregister_hctxs(struct request_queue *q);
30 void blk_mq_debugfs_register_sched(struct request_queue *q);
31 void blk_mq_debugfs_unregister_sched(struct request_queue *q);
32 void blk_mq_debugfs_register_sched_hctx(struct request_queue *q,
33 struct blk_mq_hw_ctx *hctx);
34 void blk_mq_debugfs_unregister_sched_hctx(struct blk_mq_hw_ctx *hctx);
36 void blk_mq_debugfs_register_rqos(struct rq_qos *rqos);
37 void blk_mq_debugfs_unregister_rqos(struct rq_qos *rqos);
38 void blk_mq_debugfs_unregister_queue_rqos(struct request_queue *q);
40 static inline void blk_mq_debugfs_register(struct request_queue *q)
44 static inline void blk_mq_debugfs_register_hctx(struct request_queue *q,
45 struct blk_mq_hw_ctx *hctx)
49 static inline void blk_mq_debugfs_unregister_hctx(struct blk_mq_hw_ctx *hctx)
53 static inline void blk_mq_debugfs_register_hctxs(struct request_queue *q)
57 static inline void blk_mq_debugfs_unregister_hctxs(struct request_queue *q)
61 static inline void blk_mq_debugfs_register_sched(struct request_queue *q)
65 static inline void blk_mq_debugfs_unregister_sched(struct request_queue *q)
69 static inline void blk_mq_debugfs_register_sched_hctx(struct request_queue *q,
70 struct blk_mq_hw_ctx *hctx)
74 static inline void blk_mq_debugfs_unregister_sched_hctx(struct blk_mq_hw_ctx *hctx)
78 static inline void blk_mq_debugfs_register_rqos(struct rq_qos *rqos)
82 static inline void blk_mq_debugfs_unregister_rqos(struct rq_qos *rqos)
86 static inline void blk_mq_debugfs_unregister_queue_rqos(struct request_queue *q)
91 #ifdef CONFIG_BLK_DEBUG_FS_ZONED
92 int queue_zone_wlock_show(void *data, struct seq_file *m);
94 static inline int queue_zone_wlock_show(void *data, struct seq_file *m)