1 files changed, 70 insertions, 0 deletions
diff --git a/include/linux/rv.h b/include/linux/rv.h
new file mode 100644
index 000000000000..8883b41d88ec
--- /dev/null
+++ b/include/linux/rv.h
@@ -0,0 +1,70 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Runtime Verification.
+ *
+ * For futher information, see: kernel/trace/rv/rv.c.
+ */
+#ifndef _LINUX_RV_H
+#define _LINUX_RV_H
+
+#define MAX_DA_NAME_LEN	24
+
+#ifdef CONFIG_RV
+/*
+ * Deterministic automaton per-object variables.
+ */
+struct da_monitor {
+	bool		monitoring;
+	unsigned int	curr_state;
+};
+
+/*
+ * Per-task RV monitors count. Nowadays fixed in RV_PER_TASK_MONITORS.
+ * If we find justification for more monitors, we can think about
+ * adding more or developing a dynamic method. So far, none of
+ * these are justified.
+ */
+#define RV_PER_TASK_MONITORS		1
+#define RV_PER_TASK_MONITOR_INIT	(RV_PER_TASK_MONITORS)
+
+/*
+ * Futher monitor types are expected, so make this a union.
+ */
+union rv_task_monitor {
+	struct da_monitor da_mon;
+};
+
+#ifdef CONFIG_RV_REACTORS
+struct rv_reactor {
+	const char		*name;
+	const char		*description;
+	void			(*react)(char *msg);
+};
+#endif
+
+struct rv_monitor {
+	const char		*name;
+	const char		*description;
+	bool			enabled;
+	int			(*enable)(void);
+	void			(*disable)(void);
+	void			(*reset)(void);
+#ifdef CONFIG_RV_REACTORS
+	void			(*react)(char *msg);
+#endif
+};
+
+bool rv_monitoring_on(void);
+int rv_unregister_monitor(struct rv_monitor *monitor);
+int rv_register_monitor(struct rv_monitor *monitor);
+int rv_get_task_monitor_slot(void);
+void rv_put_task_monitor_slot(int slot);
+
+#ifdef CONFIG_RV_REACTORS
+bool rv_reacting_on(void);
+int rv_unregister_reactor(struct rv_reactor *reactor);
+int rv_register_reactor(struct rv_reactor *reactor);
+#endif /* CONFIG_RV_REACTORS */
+
+#endif /* CONFIG_RV */
+#endif /* _LINUX_RV_H */