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_add_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 void damos_sysfs_mark_finished_regions_updates(struct damon_ctx *ctx);
53
54 bool damos_sysfs_regions_upd_done(void);
55
56 int damon_sysfs_schemes_update_regions_stop(struct damon_ctx *ctx);
57
58 int damon_sysfs_schemes_clear_regions(
59 struct damon_sysfs_schemes *sysfs_schemes,
60 struct damon_ctx *ctx);
61
62 int damos_sysfs_set_quota_scores(struct damon_sysfs_schemes *sysfs_schemes,
63 struct damon_ctx *ctx);
64
65 void damos_sysfs_update_effective_quotas(
66 struct damon_sysfs_schemes *sysfs_schemes,
67 struct damon_ctx *ctx);
68
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