/* SPDX-License-Identifier: GPL-2.0 */ #ifndef INT_BLK_MQ_DEBUGFS_H #define INT_BLK_MQ_DEBUGFS_H #ifdef CONFIG_BLK_DEBUG_FS #include <linux/seq_file.h> struct blk_mq_debugfs_attr { const char *name; umode_t mode; int (*show)(void *, struct seq_file *); ssize_t (*write)(void *, const char __user *, size_t, loff_t *); /* Set either .show or .seq_ops. */ const struct seq_operations *seq_ops; }; int __blk_mq_debugfs_rq_show(struct seq_file *m, struct request *rq); int blk_mq_debugfs_rq_show(struct seq_file *m, void *v); int blk_mq_debugfs_register(struct request_queue *q); void blk_mq_debugfs_unregister(struct request_queue *q); int blk_mq_debugfs_register_hctx(struct request_queue *q, struct blk_mq_hw_ctx *hctx); void blk_mq_debugfs_unregister_hctx(struct blk_mq_hw_ctx *hctx); int blk_mq_debugfs_register_hctxs(struct request_queue *q); void blk_mq_debugfs_unregister_hctxs(struct request_queue *q); int blk_mq_debugfs_register_sched(struct request_queue *q); void blk_mq_debugfs_unregister_sched(struct request_queue *q); int blk_mq_debugfs_register_sched_hctx(struct request_queue *q, struct blk_mq_hw_ctx *hctx); void blk_mq_debugfs_unregister_sched_hctx(struct blk_mq_hw_ctx *hctx); #else static inline int blk_mq_debugfs_register(struct request_queue *q) { return 0; } static inline void blk_mq_debugfs_unregister(struct request_queue *q) { } static inline int blk_mq_debugfs_register_hctx(struct request_queue *q, struct blk_mq_hw_ctx *hctx) { return 0; } static inline void blk_mq_debugfs_unregister_hctx(struct blk_mq_hw_ctx *hctx) { } static inline int blk_mq_debugfs_register_hctxs(struct request_queue *q) { return 0; } static inline void blk_mq_debugfs_unregister_hctxs(struct request_queue *q) { } static inline int blk_mq_debugfs_register_sched(struct request_queue *q) { return 0; } static inline void blk_mq_debugfs_unregister_sched(struct request_queue *q) { } static inline int blk_mq_debugfs_register_sched_hctx(struct request_queue *q, struct blk_mq_hw_ctx *hctx) { return 0; } static inline void blk_mq_debugfs_unregister_sched_hctx(struct blk_mq_hw_ctx *hctx) { } #endif #endif