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; 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 24 extern const struct kobj_type damon_sysfs_ul_range_ktype; 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 39 extern const struct kobj_type damon_sysfs_schemes_ktype; 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); 47 48 int damon_sysfs_schemes_update_regions_start( 49 struct damon_sysfs_schemes *sysfs_schemes, 50 struct damon_ctx *ctx, bool total_bytes_only); 51 52 int damon_sysfs_schemes_update_regions_stop(struct damon_ctx *ctx); 53 54 int damon_sysfs_schemes_clear_regions( 55 struct damon_sysfs_schemes *sysfs_schemes, 56 struct damon_ctx *ctx); 57