96 lines · c
1/* SPDX-License-Identifier: GPL-2.0 */2#ifndef INT_BLK_MQ_DEBUGFS_H3#define INT_BLK_MQ_DEBUGFS_H4 5#ifdef CONFIG_BLK_DEBUG_FS6 7#include <linux/seq_file.h>8 9struct blk_mq_hw_ctx;10 11struct 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 20int __blk_mq_debugfs_rq_show(struct seq_file *m, struct request *rq);21int blk_mq_debugfs_rq_show(struct seq_file *m, void *v);22 23void blk_mq_debugfs_register(struct request_queue *q);24void blk_mq_debugfs_register_hctx(struct request_queue *q,25 struct blk_mq_hw_ctx *hctx);26void blk_mq_debugfs_unregister_hctx(struct blk_mq_hw_ctx *hctx);27void blk_mq_debugfs_register_hctxs(struct request_queue *q);28void blk_mq_debugfs_unregister_hctxs(struct request_queue *q);29 30void blk_mq_debugfs_register_sched(struct request_queue *q);31void blk_mq_debugfs_unregister_sched(struct request_queue *q);32void blk_mq_debugfs_register_sched_hctx(struct request_queue *q,33 struct blk_mq_hw_ctx *hctx);34void blk_mq_debugfs_unregister_sched_hctx(struct blk_mq_hw_ctx *hctx);35 36void blk_mq_debugfs_register_rqos(struct rq_qos *rqos);37void blk_mq_debugfs_unregister_rqos(struct rq_qos *rqos);38#else39static inline void blk_mq_debugfs_register(struct request_queue *q)40{41}42 43static inline void blk_mq_debugfs_register_hctx(struct request_queue *q,44 struct blk_mq_hw_ctx *hctx)45{46}47 48static inline void blk_mq_debugfs_unregister_hctx(struct blk_mq_hw_ctx *hctx)49{50}51 52static inline void blk_mq_debugfs_register_hctxs(struct request_queue *q)53{54}55 56static inline void blk_mq_debugfs_unregister_hctxs(struct request_queue *q)57{58}59 60static inline void blk_mq_debugfs_register_sched(struct request_queue *q)61{62}63 64static inline void blk_mq_debugfs_unregister_sched(struct request_queue *q)65{66}67 68static inline void blk_mq_debugfs_register_sched_hctx(struct request_queue *q,69 struct blk_mq_hw_ctx *hctx)70{71}72 73static inline void blk_mq_debugfs_unregister_sched_hctx(struct blk_mq_hw_ctx *hctx)74{75}76 77static inline void blk_mq_debugfs_register_rqos(struct rq_qos *rqos)78{79}80 81static inline void blk_mq_debugfs_unregister_rqos(struct rq_qos *rqos)82{83}84#endif85 86#if defined(CONFIG_BLK_DEV_ZONED) && defined(CONFIG_BLK_DEBUG_FS)87int queue_zone_wplugs_show(void *data, struct seq_file *m);88#else89static inline int queue_zone_wplugs_show(void *data, struct seq_file *m)90{91 return 0;92}93#endif94 95#endif96