1 files changed, 61 insertions, 0 deletions
diff --git a/mm/damon/sysfs-common.h b/mm/damon/sysfs-common.h
new file mode 100644
index 000000000000..2099adee11d0
--- /dev/null
+++ b/mm/damon/sysfs-common.h
@@ -0,0 +1,61 @@
+/* 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);