[thirdparty/linux.git] / block / blk-mq-debugfs.h

/* 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);

void blk_mq_debugfs_register(struct request_queue *q);
void blk_mq_debugfs_unregister(struct request_queue *q);
void 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);
void blk_mq_debugfs_register_hctxs(struct request_queue *q);
void blk_mq_debugfs_unregister_hctxs(struct request_queue *q);

void blk_mq_debugfs_register_sched(struct request_queue *q);
void blk_mq_debugfs_unregister_sched(struct request_queue *q);
void 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);

void blk_mq_debugfs_register_rqos(struct rq_qos *rqos);
void blk_mq_debugfs_unregister_rqos(struct rq_qos *rqos);
void blk_mq_debugfs_unregister_queue_rqos(struct request_queue *q);
#else
static inline void blk_mq_debugfs_register(struct request_queue *q)
{
}

static inline void blk_mq_debugfs_unregister(struct request_queue *q)
{
}

static inline void blk_mq_debugfs_register_hctx(struct request_queue *q,
						struct blk_mq_hw_ctx *hctx)
{
}

static inline void blk_mq_debugfs_unregister_hctx(struct blk_mq_hw_ctx *hctx)
{
}

static inline void blk_mq_debugfs_register_hctxs(struct request_queue *q)
{
}

static inline void blk_mq_debugfs_unregister_hctxs(struct request_queue *q)
{
}

static inline void blk_mq_debugfs_register_sched(struct request_queue *q)
{
}

static inline void blk_mq_debugfs_unregister_sched(struct request_queue *q)
{
}

static inline void blk_mq_debugfs_register_sched_hctx(struct request_queue *q,
						      struct blk_mq_hw_ctx *hctx)
{
}

static inline void blk_mq_debugfs_unregister_sched_hctx(struct blk_mq_hw_ctx *hctx)
{
}

static inline void blk_mq_debugfs_register_rqos(struct rq_qos *rqos)
{
}

static inline void blk_mq_debugfs_unregister_rqos(struct rq_qos *rqos)
{
}

static inline void blk_mq_debugfs_unregister_queue_rqos(struct request_queue *q)
{
}
#endif

#ifdef CONFIG_BLK_DEBUG_FS_ZONED
int queue_zone_wlock_show(void *data, struct seq_file *m);
#else
static inline int queue_zone_wlock_show(void *data, struct seq_file *m)
{
	return 0;
}
#endif

#endif
Commit	Line	Data
b2441318	1	/* SPDX-License-Identifier: GPL-2.0 */
d173a251 OS	2	#ifndef INT_BLK_MQ_DEBUGFS_H
	3	#define INT_BLK_MQ_DEBUGFS_H
	4
	5	#ifdef CONFIG_BLK_DEBUG_FS
d332ce09 OS	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
daaadb3e	18	int __blk_mq_debugfs_rq_show(struct seq_file m, struct request rq);
16b738f6 OS	19	int blk_mq_debugfs_rq_show(struct seq_file m, void v);
16b738f6 OS	20
6cfc0081	21	void blk_mq_debugfs_register(struct request_queue *q);
d173a251	22	void blk_mq_debugfs_unregister(struct request_queue *q);
6cfc0081 GKH	23	void blk_mq_debugfs_register_hctx(struct request_queue *q,
6cfc0081 GKH	24	struct blk_mq_hw_ctx *hctx);
9c1051aa	25	void blk_mq_debugfs_unregister_hctx(struct blk_mq_hw_ctx *hctx);
6cfc0081	26	void blk_mq_debugfs_register_hctxs(struct request_queue *q);
9c1051aa	27	void blk_mq_debugfs_unregister_hctxs(struct request_queue *q);
d332ce09	28
6cfc0081	29	void blk_mq_debugfs_register_sched(struct request_queue *q);
d332ce09	30	void blk_mq_debugfs_unregister_sched(struct request_queue *q);
6cfc0081	31	void blk_mq_debugfs_register_sched_hctx(struct request_queue *q,
d332ce09 OS	32	struct blk_mq_hw_ctx *hctx);
d332ce09 OS	33	void blk_mq_debugfs_unregister_sched_hctx(struct blk_mq_hw_ctx *hctx);
cc56694f	34
6cfc0081	35	void blk_mq_debugfs_register_rqos(struct rq_qos *rqos);
cc56694f ML	36	void blk_mq_debugfs_unregister_rqos(struct rq_qos *rqos);
cc56694f ML	37	void blk_mq_debugfs_unregister_queue_rqos(struct request_queue *q);
d173a251	38	#else
6cfc0081	39	static inline void blk_mq_debugfs_register(struct request_queue *q)
d173a251	40	{
d173a251 OS	41	}
	42
	43	static inline void blk_mq_debugfs_unregister(struct request_queue *q)
	44	{
	45	}
	46
6cfc0081 GKH	47	static inline void blk_mq_debugfs_register_hctx(struct request_queue *q,
6cfc0081 GKH	48	struct blk_mq_hw_ctx *hctx)
d173a251	49	{
d173a251 OS	50	}
d173a251 OS	51
9c1051aa OS	52	static inline void blk_mq_debugfs_unregister_hctx(struct blk_mq_hw_ctx *hctx)
	53	{
	54	}
	55
6cfc0081	56	static inline void blk_mq_debugfs_register_hctxs(struct request_queue *q)
9c1051aa	57	{
9c1051aa OS	58	}
	59
	60	static inline void blk_mq_debugfs_unregister_hctxs(struct request_queue *q)
d173a251 OS	61	{
d173a251 OS	62	}
d332ce09	63
6cfc0081	64	static inline void blk_mq_debugfs_register_sched(struct request_queue *q)
d332ce09	65	{
d332ce09 OS	66	}
	67
	68	static inline void blk_mq_debugfs_unregister_sched(struct request_queue *q)
	69	{
	70	}
	71
6cfc0081 GKH	72	static inline void blk_mq_debugfs_register_sched_hctx(struct request_queue *q,
6cfc0081 GKH	73	struct blk_mq_hw_ctx *hctx)
d332ce09	74	{
d332ce09 OS	75	}
	76
	77	static inline void blk_mq_debugfs_unregister_sched_hctx(struct blk_mq_hw_ctx *hctx)
	78	{
	79	}
cc56694f	80
6cfc0081	81	static inline void blk_mq_debugfs_register_rqos(struct rq_qos *rqos)
cc56694f	82	{
cc56694f ML	83	}
	84
	85	static inline void blk_mq_debugfs_unregister_rqos(struct rq_qos *rqos)
	86	{
	87	}
	88
	89	static inline void blk_mq_debugfs_unregister_queue_rqos(struct request_queue *q)
	90	{
	91	}
d173a251 OS	92	#endif
d173a251 OS	93
6a5ac984 BVA	94	#ifdef CONFIG_BLK_DEBUG_FS_ZONED
	95	int queue_zone_wlock_show(void data, struct seq_file m);
	96	#else
	97	static inline int queue_zone_wlock_show(void data, struct seq_file m)
	98	{
	99	return 0;
	100	}
	101	#endif
	102
d173a251	103	#endif