blob: 9ccdc5b140e775804a47c745022df5456d7acb5f [file] [log] [blame]
Mauro Carvalho Chehab696e4092009-07-23 06:57:45 -03001/* Provides edac interface to mcelog events
2 *
3 * This file may be distributed under the terms of the
4 * GNU General Public License version 2.
5 *
6 * Copyright (c) 2009 by:
7 * Mauro Carvalho Chehab <mchehab@redhat.com>
8 *
9 * Red Hat Inc. http://www.redhat.com
10 */
11
12#include <linux/module.h>
13#include <linux/edac_mce.h>
14#include <asm/mce.h>
15
16int edac_mce_enabled;
17EXPORT_SYMBOL_GPL(edac_mce_enabled);
18
19
20/*
21 * Extension interface
22 */
23
24static LIST_HEAD(edac_mce_list);
25static DEFINE_MUTEX(edac_mce_lock);
26
27int edac_mce_register(struct edac_mce *edac_mce)
28{
29 mutex_lock(&edac_mce_lock);
30 list_add_tail(&edac_mce->list, &edac_mce_list);
31 mutex_unlock(&edac_mce_lock);
32 return 0;
33}
34EXPORT_SYMBOL(edac_mce_register);
35
36void edac_mce_unregister(struct edac_mce *edac_mce)
37{
38 mutex_lock(&edac_mce_lock);
39 list_del(&edac_mce->list);
40 mutex_unlock(&edac_mce_lock);
41}
42EXPORT_SYMBOL(edac_mce_unregister);
43
Mauro Carvalho Chehabd5381642009-07-09 22:06:41 -030044int edac_mce_parse(struct mce *mce)
Mauro Carvalho Chehab696e4092009-07-23 06:57:45 -030045{
46 struct edac_mce *edac_mce;
47
48 list_for_each_entry(edac_mce, &edac_mce_list, list) {
49 if (edac_mce->check_error(edac_mce->priv, mce))
50 return 1;
51 }
52
53 /* Nobody queued the error */
54 return 0;
55}
Mauro Carvalho Chehabd5381642009-07-09 22:06:41 -030056EXPORT_SYMBOL_GPL(edac_mce_parse);
57
58MODULE_LICENSE("GPL");
59MODULE_AUTHOR("Mauro Carvalho Chehab <mchehab@redhat.com>");
60MODULE_AUTHOR("Red Hat Inc. (http://www.redhat.com)");
61MODULE_DESCRIPTION("EDAC Driver for mcelog captured errors");