/* SPDX-License-Identifier: GPL-2.0 */#ifndef _LIVEPATCH_PATCH_H#define _LIVEPATCH_PATCH_H #include <linux/livepatch.h>#include <linux/list.h>#include <linux/ftrace.h> /** * struct klp_ops - structure for tracking registered ftrace ops structs * * A single ftrace_ops is shared between all enabled replacement functions * (klp_func structs) which have the same old_func.  This allows the switch * between function versions to happen instantaneously by updating the klp_ops * struct's func_stack list.  The winner is the klp_func at the top of the * func_stack (front of the list). * * @node:	node for the global klp_ops list * @func_stack:	list head for the stack of klp_func's (active func is on top) * @fops:	registered ftrace ops struct */struct klp_ops {	struct list_head node;	struct list_head func_stack;	struct ftrace_ops fops;}; struct klp_ops *klp_find_ops(void *old_func); int klp_patch_object(struct klp_object *obj);void klp_unpatch_object(struct klp_object *obj);void klp_unpatch_objects(struct klp_patch *patch);void klp_unpatch_objects_dynamic(struct klp_patch *patch); #endif /* _LIVEPATCH_PATCH_H */