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-rw-r--r--kernel/trace/rv/rv.h68
1 files changed, 68 insertions, 0 deletions
diff --git a/kernel/trace/rv/rv.h b/kernel/trace/rv/rv.h
new file mode 100644
index 000000000..db6cb0913
--- /dev/null
+++ b/kernel/trace/rv/rv.h
@@ -0,0 +1,68 @@
+/* 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 MAX_RV_MONITOR_NAME_SIZE 32
+#define MAX_RV_REACTOR_NAME_SIZE 32
+
+extern struct mutex rv_interface_lock;
+
+#ifdef CONFIG_RV_REACTORS
+struct rv_reactor_def {
+ struct list_head list;
+ struct rv_reactor *reactor;
+ /* protected by the monitor interface lock */
+ int counter;
+};
+#endif
+
+struct rv_monitor_def {
+ struct list_head list;
+ struct rv_monitor *monitor;
+ struct dentry *root_d;
+#ifdef CONFIG_RV_REACTORS
+ struct rv_reactor_def *rdef;
+ bool reacting;
+#endif
+ bool task_monitor;
+};
+
+struct dentry *get_monitors_root(void);
+int rv_disable_monitor(struct rv_monitor_def *mdef);
+int rv_enable_monitor(struct rv_monitor_def *mdef);
+
+#ifdef CONFIG_RV_REACTORS
+int reactor_populate_monitor(struct rv_monitor_def *mdef);
+void reactor_cleanup_monitor(struct rv_monitor_def *mdef);
+int init_rv_reactors(struct dentry *root_dir);
+#else
+static inline int reactor_populate_monitor(struct rv_monitor_def *mdef)
+{
+ return 0;
+}
+
+static inline void reactor_cleanup_monitor(struct rv_monitor_def *mdef)
+{
+ return;
+}
+
+static inline int init_rv_reactors(struct dentry *root_dir)
+{
+ return 0;
+}
+#endif