[linux-block.git] / mm / damon / sysfs-common.h

/* SPDX-License-Identifier: GPL-2.0 */
/*
 * Common Primitives for DAMON Sysfs Interface
 *
 * Author: SeongJae Park <sj@kernel.org>
 */

#include <linux/damon.h>
#include <linux/kobject.h>

extern struct mutex damon_sysfs_lock;

struct damon_sysfs_ul_range {
	struct kobject kobj;
	unsigned long min;
	unsigned long max;
};

struct damon_sysfs_ul_range *damon_sysfs_ul_range_alloc(
		unsigned long min,
		unsigned long max);
void damon_sysfs_ul_range_release(struct kobject *kobj);

extern const struct kobj_type damon_sysfs_ul_range_ktype;

/*
 * schemes directory
 */

struct damon_sysfs_schemes {
	struct kobject kobj;
	struct damon_sysfs_scheme **schemes_arr;
	int nr;
};

struct damon_sysfs_schemes *damon_sysfs_schemes_alloc(void);
void damon_sysfs_schemes_rm_dirs(struct damon_sysfs_schemes *schemes);

extern const struct kobj_type damon_sysfs_schemes_ktype;

int damon_sysfs_set_schemes(struct damon_ctx *ctx,
		struct damon_sysfs_schemes *sysfs_schemes);

void damon_sysfs_schemes_update_stats(
		struct damon_sysfs_schemes *sysfs_schemes,
		struct damon_ctx *ctx);

int damon_sysfs_schemes_update_regions_start(
		struct damon_sysfs_schemes *sysfs_schemes,
		struct damon_ctx *ctx, bool total_bytes_only);

void damos_sysfs_mark_finished_regions_updates(struct damon_ctx *ctx);

bool damos_sysfs_regions_upd_done(void);

int damon_sysfs_schemes_update_regions_stop(struct damon_ctx *ctx);

int damon_sysfs_schemes_clear_regions(
		struct damon_sysfs_schemes *sysfs_schemes,
		struct damon_ctx *ctx);

int damos_sysfs_set_quota_scores(struct damon_sysfs_schemes *sysfs_schemes,
		struct damon_ctx *ctx);

void damos_sysfs_update_effective_quotas(
		struct damon_sysfs_schemes *sysfs_schemes,
		struct damon_ctx *ctx);
Commit	Line	Data
39240595 SP	1	/* SPDX-License-Identifier: GPL-2.0 */
	2	/*
	3	* Common Primitives for DAMON Sysfs Interface
	4	*
	5	* Author: SeongJae Park <sj@kernel.org>
	6	*/
	7
	8	#include <linux/damon.h>
	9	#include <linux/kobject.h>
	10
	11	extern struct mutex damon_sysfs_lock;
d332fe11 SP	12
	13	struct damon_sysfs_ul_range {
	14	struct kobject kobj;
	15	unsigned long min;
	16	unsigned long max;
	17	};
	18
	19	struct damon_sysfs_ul_range *damon_sysfs_ul_range_alloc(
	20	unsigned long min,
	21	unsigned long max);
	22	void damon_sysfs_ul_range_release(struct kobject *kobj);
	23
e56397e8	24	extern const struct kobj_type damon_sysfs_ul_range_ktype;
c8e7b4d0 SP	25
	26	/*
	27	* schemes directory
	28	*/
	29
	30	struct damon_sysfs_schemes {
	31	struct kobject kobj;
	32	struct damon_sysfs_scheme **schemes_arr;
	33	int nr;
	34	};
	35
	36	struct damon_sysfs_schemes *damon_sysfs_schemes_alloc(void);
	37	void damon_sysfs_schemes_rm_dirs(struct damon_sysfs_schemes *schemes);
	38
e56397e8	39	extern const struct kobj_type damon_sysfs_schemes_ktype;
c8e7b4d0 SP	40
	41	int damon_sysfs_set_schemes(struct damon_ctx *ctx,
	42	struct damon_sysfs_schemes *sysfs_schemes);
	43
	44	void damon_sysfs_schemes_update_stats(
	45	struct damon_sysfs_schemes *sysfs_schemes,
	46	struct damon_ctx *ctx);
f1d13cac SP	47
	48	int damon_sysfs_schemes_update_regions_start(
	49	struct damon_sysfs_schemes *sysfs_schemes,
6ad243b8	50	struct damon_ctx *ctx, bool total_bytes_only);
f1d13cac	51
6a080670 SP	52	void damos_sysfs_mark_finished_regions_updates(struct damon_ctx *ctx);
6a080670 SP	53
76126332 SP	54	bool damos_sysfs_regions_upd_done(void);
76126332 SP	55
f1d13cac	56	int damon_sysfs_schemes_update_regions_stop(struct damon_ctx *ctx);
772c15e5 SP	57
	58	int damon_sysfs_schemes_clear_regions(
	59	struct damon_sysfs_schemes *sysfs_schemes,
	60	struct damon_ctx *ctx);
d91beaa5	61
9e736fdf	62	int damos_sysfs_set_quota_scores(struct damon_sysfs_schemes *sysfs_schemes,
d91beaa5	63	struct damon_ctx *ctx);
c71f8a71 SP	64
	65	void damos_sysfs_update_effective_quotas(
	66	struct damon_sysfs_schemes *sysfs_schemes,
	67	struct damon_ctx *ctx);