| 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
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| 2 | #ifndef INT_BLK_MQ_DEBUGFS_H |
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| 3 | #define INT_BLK_MQ_DEBUGFS_H |
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| 4 | |
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| 5 | #ifdef CONFIG_BLK_DEBUG_FS |
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| 6 | |
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| 7 | #include <linux/seq_file.h> |
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| 8 | |
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| 9 | struct blk_mq_hw_ctx; |
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| 10 | |
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| 11 | struct blk_mq_debugfs_attr { |
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| 12 | const char *name; |
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| 13 | umode_t mode; |
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| 14 | int (*show)(void *, struct seq_file *); |
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| 15 | ssize_t (*write)(void *, const char __user *, size_t, loff_t *); |
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| 16 | /* Set either .show or .seq_ops. */ |
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| 17 | const struct seq_operations *seq_ops; |
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| 18 | }; |
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| 19 | |
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| 20 | int __blk_mq_debugfs_rq_show(struct seq_file *m, struct request *rq); |
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| 21 | int blk_mq_debugfs_rq_show(struct seq_file *m, void *v); |
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| 22 | |
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| 23 | void blk_mq_debugfs_register(struct request_queue *q); |
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| 24 | void blk_mq_debugfs_register_hctx(struct request_queue *q, |
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| 25 | struct blk_mq_hw_ctx *hctx); |
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| 26 | void blk_mq_debugfs_unregister_hctx(struct blk_mq_hw_ctx *hctx); |
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| 27 | void blk_mq_debugfs_register_hctxs(struct request_queue *q); |
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| 28 | void blk_mq_debugfs_unregister_hctxs(struct request_queue *q); |
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| 29 | |
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| 30 | void blk_mq_debugfs_register_sched(struct request_queue *q); |
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| 31 | void blk_mq_debugfs_unregister_sched(struct request_queue *q); |
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| 32 | void blk_mq_debugfs_register_sched_hctx(struct request_queue *q, |
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| 33 | struct blk_mq_hw_ctx *hctx); |
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| 34 | void blk_mq_debugfs_unregister_sched_hctx(struct blk_mq_hw_ctx *hctx); |
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| 35 | |
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| 36 | void blk_mq_debugfs_register_rqos(struct rq_qos *rqos); |
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| 37 | void blk_mq_debugfs_unregister_rqos(struct rq_qos *rqos); |
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| 38 | #else |
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| 39 | static inline void blk_mq_debugfs_register(struct request_queue *q) |
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| 40 | { |
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| 41 | } |
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| 42 | |
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| 43 | static inline void blk_mq_debugfs_register_hctx(struct request_queue *q, |
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| 44 | struct blk_mq_hw_ctx *hctx) |
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| 45 | { |
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| 46 | } |
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| 47 | |
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| 48 | static inline void blk_mq_debugfs_unregister_hctx(struct blk_mq_hw_ctx *hctx) |
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| 49 | { |
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| 50 | } |
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| 51 | |
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| 52 | static inline void blk_mq_debugfs_register_hctxs(struct request_queue *q) |
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| 53 | { |
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| 54 | } |
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| 55 | |
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| 56 | static inline void blk_mq_debugfs_unregister_hctxs(struct request_queue *q) |
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| 57 | { |
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| 58 | } |
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| 59 | |
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| 60 | static inline void blk_mq_debugfs_register_sched(struct request_queue *q) |
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| 61 | { |
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| 62 | } |
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| 63 | |
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| 64 | static inline void blk_mq_debugfs_unregister_sched(struct request_queue *q) |
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| 65 | { |
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| 66 | } |
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| 67 | |
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| 68 | static inline void blk_mq_debugfs_register_sched_hctx(struct request_queue *q, |
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| 69 | struct blk_mq_hw_ctx *hctx) |
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| 70 | { |
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| 71 | } |
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| 72 | |
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| 73 | static inline void blk_mq_debugfs_unregister_sched_hctx(struct blk_mq_hw_ctx *hctx) |
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| 74 | { |
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| 75 | } |
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| 76 | |
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| 77 | static inline void blk_mq_debugfs_register_rqos(struct rq_qos *rqos) |
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| 78 | { |
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| 79 | } |
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| 80 | |
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| 81 | static inline void blk_mq_debugfs_unregister_rqos(struct rq_qos *rqos) |
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| 82 | { |
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| 83 | } |
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| 84 | #endif |
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| 85 | |
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| 86 | #ifdef CONFIG_BLK_DEBUG_FS_ZONED |
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| 87 | int queue_zone_wlock_show(void *data, struct seq_file *m); |
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| 88 | #else |
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| 89 | static inline int queue_zone_wlock_show(void *data, struct seq_file *m) |
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| 90 | { |
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| 91 | return 0; |
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| 92 | } |
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| 93 | #endif |
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| 94 | |
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| 95 | #endif |
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| 96 | |
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