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 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 44int 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} 56EXPORT_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"); 62