diff options
Diffstat (limited to 'drivers/edac/edac_mce.c')
-rw-r--r-- | drivers/edac/edac_mce.c | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/drivers/edac/edac_mce.c b/drivers/edac/edac_mce.c new file mode 100644 index 000000000000..9ccdc5b140e7 --- /dev/null +++ b/drivers/edac/edac_mce.c | |||
@@ -0,0 +1,61 @@ | |||
1 | /* 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 | |||
16 | int edac_mce_enabled; | ||
17 | EXPORT_SYMBOL_GPL(edac_mce_enabled); | ||
18 | |||
19 | |||
20 | /* | ||
21 | * Extension interface | ||
22 | */ | ||
23 | |||
24 | static LIST_HEAD(edac_mce_list); | ||
25 | static DEFINE_MUTEX(edac_mce_lock); | ||
26 | |||
27 | int 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 | } | ||
34 | EXPORT_SYMBOL(edac_mce_register); | ||
35 | |||
36 | void 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 | } | ||
42 | EXPORT_SYMBOL(edac_mce_unregister); | ||
43 | |||
44 | int edac_mce_parse(struct mce *mce) | ||
45 | { | ||
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 | } | ||
56 | EXPORT_SYMBOL_GPL(edac_mce_parse); | ||
57 | |||
58 | MODULE_LICENSE("GPL"); | ||
59 | MODULE_AUTHOR("Mauro Carvalho Chehab <mchehab@redhat.com>"); | ||
60 | MODULE_AUTHOR("Red Hat Inc. (http://www.redhat.com)"); | ||
61 | MODULE_DESCRIPTION("EDAC Driver for mcelog captured errors"); | ||