| 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_hw_ctx; |
| 10 | |
| 11 | struct blk_mq_debugfs_attr { |
| 12 | const char *name; |
| 13 | umode_t mode; |
| 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; |
| 18 | }; |
| 19 | |
| 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); |
| 22 | |
| 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); |
| 29 | |
| 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); |
| 35 | |
| 36 | void blk_mq_debugfs_register_rqos(struct rq_qos *rqos); |
| 37 | void blk_mq_debugfs_unregister_rqos(struct rq_qos *rqos); |
| 38 | #else |
| 39 | static inline void blk_mq_debugfs_register(struct request_queue *q) |
| 40 | { |
| 41 | } |
| 42 | |
| 43 | static inline void blk_mq_debugfs_register_hctx(struct request_queue *q, |
| 44 | struct blk_mq_hw_ctx *hctx) |
| 45 | { |
| 46 | } |
| 47 | |
| 48 | static inline void blk_mq_debugfs_unregister_hctx(struct blk_mq_hw_ctx *hctx) |
| 49 | { |
| 50 | } |
| 51 | |
| 52 | static inline void blk_mq_debugfs_register_hctxs(struct request_queue *q) |
| 53 | { |
| 54 | } |
| 55 | |
| 56 | static inline void blk_mq_debugfs_unregister_hctxs(struct request_queue *q) |
| 57 | { |
| 58 | } |
| 59 | |
| 60 | static inline void blk_mq_debugfs_register_sched(struct request_queue *q) |
| 61 | { |
| 62 | } |
| 63 | |
| 64 | static inline void blk_mq_debugfs_unregister_sched(struct request_queue *q) |
| 65 | { |
| 66 | } |
| 67 | |
| 68 | static inline void blk_mq_debugfs_register_sched_hctx(struct request_queue *q, |
| 69 | struct blk_mq_hw_ctx *hctx) |
| 70 | { |
| 71 | } |
| 72 | |
| 73 | static inline void blk_mq_debugfs_unregister_sched_hctx(struct blk_mq_hw_ctx *hctx) |
| 74 | { |
| 75 | } |
| 76 | |
| 77 | static inline void blk_mq_debugfs_register_rqos(struct rq_qos *rqos) |
| 78 | { |
| 79 | } |
| 80 | |
| 81 | static inline void blk_mq_debugfs_unregister_rqos(struct rq_qos *rqos) |
| 82 | { |
| 83 | } |
| 84 | #endif |
| 85 | |
| 86 | #ifdef CONFIG_BLK_DEBUG_FS_ZONED |
| 87 | int queue_zone_wlock_show(void *data, struct seq_file *m); |
| 88 | #else |
| 89 | static inline int queue_zone_wlock_show(void *data, struct seq_file *m) |
| 90 | { |
| 91 | return 0; |
| 92 | } |
| 93 | #endif |
| 94 | |
| 95 | #endif |