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-rw-r--r--include/linux/ftrace.h18
1 files changed, 18 insertions, 0 deletions
diff --git a/include/linux/ftrace.h b/include/linux/ftrace.h
index f0a0ecc63b5..13918c4400a 100644
--- a/include/linux/ftrace.h
+++ b/include/linux/ftrace.h
@@ -106,6 +106,24 @@ struct ftrace_func_command {
/* asm/ftrace.h must be defined for archs supporting dynamic ftrace */
#include <asm/ftrace.h>
+struct ftrace_hook_ops {
+ void (*func)(unsigned long ip,
+ unsigned long parent_ip,
+ void **data);
+ int (*callback)(unsigned long ip, void **data);
+ void (*free)(void **data);
+};
+
+extern int
+register_ftrace_function_hook(char *glob, struct ftrace_hook_ops *ops,
+ void *data);
+extern void
+unregister_ftrace_function_hook(char *glob, struct ftrace_hook_ops *ops,
+ void *data);
+extern void
+unregister_ftrace_function_hook_func(char *glob, struct ftrace_hook_ops *ops);
+extern void unregister_ftrace_function_hook_all(char *glob);
+
enum {
FTRACE_FL_FREE = (1 << 0),
FTRACE_FL_FAILED = (1 << 1),