kpatch/kmod/core/kpatch.h
Josh Poimboeuf 2984b53d21 kmod: add new kpatch_module struct
Put funcs, num_funcs, and mod in their own struct called kpatch_module.
This allows us to keep patch module specific variables in one place (and
we'll have more of these variables soon).
2014-04-23 14:36:15 -05:00

48 lines
1.4 KiB
C

/*
* kpatch.h
*
* Copyright (C) 2014 Seth Jennings <sjenning@redhat.com>
* Copyright (C) 2013-2014 Josh Poimboeuf <jpoimboe@redhat.com>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA,
* 02110-1301, USA.
*
* Contains the API for the core kpatch module used by the patch modules
*/
#ifndef _KPATCH_H_
#define _KPATCH_H_
#include <linux/types.h>
struct kpatch_func {
unsigned long new_addr;
unsigned long old_addr;
unsigned long old_size;
struct hlist_node node;
bool updating;
};
struct kpatch_module {
struct module *mod;
struct kpatch_func *funcs;
int num_funcs;
};
extern int kpatch_register(struct kpatch_module *kpmod);
extern int kpatch_unregister(struct kpatch_module *kpmod);
#endif /* _KPATCH_H_ */