From 696e409dbd1ce325129c5030267365619364dfa0 Mon Sep 17 00:00:00 2001 From: Mauro Carvalho Chehab Date: Thu, 23 Jul 2009 06:57:45 -0300 Subject: edac_mce: Add an interface driver to report mce errors via edac edac_mce module is an interface module that gets mcelog data and forwards to any registered edac module that expects to receive data via mce. Signed-off-by: Mauro Carvalho Chehab --- drivers/edac/edac_mce.c | 58 +++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 58 insertions(+) create mode 100644 drivers/edac/edac_mce.c (limited to 'drivers/edac/edac_mce.c') diff --git a/drivers/edac/edac_mce.c b/drivers/edac/edac_mce.c new file mode 100644 index 000000000000..b1efa8e51921 --- /dev/null +++ b/drivers/edac/edac_mce.c @@ -0,0 +1,58 @@ +/* Provides edac interface to mcelog events + * + * This file may be distributed under the terms of the + * GNU General Public License version 2. + * + * Copyright (c) 2009 by: + * Mauro Carvalho Chehab + * + * Red Hat Inc. http://www.redhat.com + */ + +#include +#include +#include + +int edac_mce_enabled; +EXPORT_SYMBOL_GPL(edac_mce_enabled); + + +/* + * Extension interface + */ + +static LIST_HEAD(edac_mce_list); +static DEFINE_MUTEX(edac_mce_lock); + +int edac_mce_register(struct edac_mce *edac_mce) +{ + mutex_lock(&edac_mce_lock); + list_add_tail(&edac_mce->list, &edac_mce_list); + mutex_unlock(&edac_mce_lock); + return 0; +} +EXPORT_SYMBOL(edac_mce_register); + +void edac_mce_unregister(struct edac_mce *edac_mce) +{ + mutex_lock(&edac_mce_lock); + list_del(&edac_mce->list); + mutex_unlock(&edac_mce_lock); +} +EXPORT_SYMBOL(edac_mce_unregister); + + + +int edac_mce_queue(struct mce *mce) +{ + struct edac_mce *edac_mce; + + list_for_each_entry(edac_mce, &edac_mce_list, list) { + if (edac_mce->check_error(edac_mce->priv, mce)) + return 1; + } + + /* Nobody queued the error */ + return 0; +} +EXPORT_SYMBOL_GPL(edac_mce_queue); -- cgit v1.2.3