1 files changed, 47 insertions, 0 deletions
diff --git a/kernel/trace/rv/rv.h b/kernel/trace/rv/rv.h
new file mode 100644
index 000000000000..2c0f51ff9d5c
--- /dev/null
+++ b/kernel/trace/rv/rv.h
@@ -0,0 +1,47 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#include <linux/mutex.h>
+
+struct rv_interface {
+	struct dentry		*root_dir;
+	struct dentry		*monitors_dir;
+};
+
+#include "../trace.h"
+#include <linux/tracefs.h>
+#include <linux/rv.h>
+
+#define RV_MODE_WRITE			TRACE_MODE_WRITE
+#define RV_MODE_READ			TRACE_MODE_READ
+
+#define rv_create_dir			tracefs_create_dir
+#define rv_create_file			tracefs_create_file
+#define rv_remove			tracefs_remove
+
+DEFINE_FREE(rv_remove, struct dentry *, if (_T) rv_remove(_T));
+
+#define MAX_RV_MONITOR_NAME_SIZE	32
+#define MAX_RV_REACTOR_NAME_SIZE	32
+
+extern struct mutex rv_interface_lock;
+extern struct list_head rv_monitors_list;
+
+struct dentry *get_monitors_root(void);
+int rv_disable_monitor(struct rv_monitor *mon);
+int rv_enable_monitor(struct rv_monitor *mon);
+bool rv_is_container_monitor(struct rv_monitor *mon);
+bool rv_is_nested_monitor(struct rv_monitor *mon);
+
+#ifdef CONFIG_RV_REACTORS
+int reactor_populate_monitor(struct rv_monitor *mon, struct dentry *root);
+int init_rv_reactors(struct dentry *root_dir);
+#else
+static inline int reactor_populate_monitor(struct rv_monitor *mon, struct dentry *root)
+{
+	return 0;
+}
+
+static inline int init_rv_reactors(struct dentry *root_dir)
+{
+	return 0;
+}
+#endif