| Greg Kroah-Hartman | b244131 | 2017-11-01 15:07:57 +0100 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| Omar Sandoval | d173a25 | 2017-05-04 00:31:30 -0700 | [diff] [blame] | 2 | #ifndef INT_BLK_MQ_DEBUGFS_H |
| 3 | #define INT_BLK_MQ_DEBUGFS_H |
| 4 | |
| 5 | #ifdef CONFIG_BLK_DEBUG_FS |
| Omar Sandoval | d332ce0 | 2017-05-04 08:24:40 -0600 | [diff] [blame] | 6 | |
| 7 | #include <linux/seq_file.h> |
| 8 | |
| 9 | struct 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 Sandoval | daaadb3 | 2017-05-04 00:31:34 -0700 | [diff] [blame] | 18 | int __blk_mq_debugfs_rq_show(struct seq_file *m, struct request *rq); |
| Omar Sandoval | 16b738f | 2017-05-04 00:31:33 -0700 | [diff] [blame] | 19 | int blk_mq_debugfs_rq_show(struct seq_file *m, void *v); |
| 20 | |
| Omar Sandoval | d173a25 | 2017-05-04 00:31:30 -0700 | [diff] [blame] | 21 | int blk_mq_debugfs_register(struct request_queue *q); |
| 22 | void blk_mq_debugfs_unregister(struct request_queue *q); |
| Omar Sandoval | 9c1051a | 2017-05-04 08:17:21 -0600 | [diff] [blame] | 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); |
| Omar Sandoval | d332ce0 | 2017-05-04 08:24:40 -0600 | [diff] [blame] | 28 | |
| 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); |
| Omar Sandoval | d173a25 | 2017-05-04 00:31:30 -0700 | [diff] [blame] | 34 | #else |
| 35 | static inline int blk_mq_debugfs_register(struct request_queue *q) |
| 36 | { |
| 37 | return 0; |
| 38 | } |
| 39 | |
| 40 | static inline void blk_mq_debugfs_unregister(struct request_queue *q) |
| 41 | { |
| 42 | } |
| 43 | |
| Omar Sandoval | 9c1051a | 2017-05-04 08:17:21 -0600 | [diff] [blame] | 44 | static inline int blk_mq_debugfs_register_hctx(struct request_queue *q, |
| 45 | struct blk_mq_hw_ctx *hctx) |
| Omar Sandoval | d173a25 | 2017-05-04 00:31:30 -0700 | [diff] [blame] | 46 | { |
| 47 | return 0; |
| 48 | } |
| 49 | |
| Omar Sandoval | 9c1051a | 2017-05-04 08:17:21 -0600 | [diff] [blame] | 50 | static inline void blk_mq_debugfs_unregister_hctx(struct blk_mq_hw_ctx *hctx) |
| 51 | { |
| 52 | } |
| 53 | |
| 54 | static inline int blk_mq_debugfs_register_hctxs(struct request_queue *q) |
| 55 | { |
| 56 | return 0; |
| 57 | } |
| 58 | |
| 59 | static inline void blk_mq_debugfs_unregister_hctxs(struct request_queue *q) |
| Omar Sandoval | d173a25 | 2017-05-04 00:31:30 -0700 | [diff] [blame] | 60 | { |
| 61 | } |
| Omar Sandoval | d332ce0 | 2017-05-04 08:24:40 -0600 | [diff] [blame] | 62 | |
| 63 | static inline int blk_mq_debugfs_register_sched(struct request_queue *q) |
| 64 | { |
| 65 | return 0; |
| 66 | } |
| 67 | |
| 68 | static inline void blk_mq_debugfs_unregister_sched(struct request_queue *q) |
| 69 | { |
| 70 | } |
| 71 | |
| 72 | static 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 | |
| 78 | static inline void blk_mq_debugfs_unregister_sched_hctx(struct blk_mq_hw_ctx *hctx) |
| 79 | { |
| 80 | } |
| Omar Sandoval | d173a25 | 2017-05-04 00:31:30 -0700 | [diff] [blame] | 81 | #endif |
| 82 | |
| 83 | #endif |