blob: 20b428aa155e144413aeaeed2928b059ebd659d4 [file] [log] [blame]
Dave Jiangc0d12172007-07-19 01:49:46 -07001/*
2 * common EDAC components that must be in kernel
3 *
4 * Author: Dave Jiang <djiang@mvista.com>
5 *
6 * 2007 (c) MontaVista Software, Inc. This file is licensed under
7 * the terms of the GNU General Public License version 2. This program
8 * is licensed "as is" without any warranty of any kind, whether express
9 * or implied.
10 *
11 */
12#include <linux/module.h>
13#include <linux/edac.h>
14#include <asm/atomic.h>
15#include <asm/edac.h>
16
17int edac_op_state = EDAC_OPSTATE_INVAL;
Doug Thompsonfb3fb202007-07-19 01:50:30 -070018EXPORT_SYMBOL_GPL(edac_op_state);
Dave Jiangc0d12172007-07-19 01:49:46 -070019
20atomic_t edac_handlers = ATOMIC_INIT(0);
Doug Thompsonfb3fb202007-07-19 01:50:30 -070021EXPORT_SYMBOL_GPL(edac_handlers);
Dave Jiangc0d12172007-07-19 01:49:46 -070022
Dave Jiang66ee2f92007-07-19 01:49:54 -070023int edac_err_assert = 0;
Doug Thompsonfb3fb202007-07-19 01:50:30 -070024EXPORT_SYMBOL_GPL(edac_err_assert);
Dave Jiangc0d12172007-07-19 01:49:46 -070025
Doug Thompsonfb3fb202007-07-19 01:50:30 -070026/*
27 * called to determine if there is an EDAC driver interested in
28 * knowing an event (such as NMI) occurred
29 */
30int edac_handler_set(void)
Dave Jiangc0d12172007-07-19 01:49:46 -070031{
32 if (edac_op_state == EDAC_OPSTATE_POLL)
33 return 0;
34
35 return atomic_read(&edac_handlers);
36}
Doug Thompsonfb3fb202007-07-19 01:50:30 -070037EXPORT_SYMBOL_GPL(edac_handler_set);
Dave Jiangc0d12172007-07-19 01:49:46 -070038
39/*
40 * handler for NMI type of interrupts to assert error
41 */
Doug Thompsonfb3fb202007-07-19 01:50:30 -070042void edac_atomic_assert_error(void)
Dave Jiangc0d12172007-07-19 01:49:46 -070043{
Dave Jiang66ee2f92007-07-19 01:49:54 -070044 edac_err_assert++;
Dave Jiangc0d12172007-07-19 01:49:46 -070045}
Doug Thompsonfb3fb202007-07-19 01:50:30 -070046EXPORT_SYMBOL_GPL(edac_atomic_assert_error);