/* SPDX-License-Identifier: GPL-2.0 */
/*
 * Common Code 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_add_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);

void damos_sysfs_populate_region_dir(struct damon_sysfs_schemes *sysfs_schemes,
                struct damon_ctx *ctx, struct damon_target *t,
                struct damon_region *r, struct damos *s,
                bool total_bytes_only, unsigned long sz_filter_passed);

int damon_sysfs_schemes_clear_regions(
                struct damon_sysfs_schemes *sysfs_schemes);

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);