1 /*
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
17 int edac_op_state = EDAC_OPSTATE_INVAL;
18 EXPORT_SYMBOL_GPL(edac_op_state);
19
20 atomic_t edac_handlers = ATOMIC_INIT(0);
21 EXPORT_SYMBOL_GPL(edac_handlers);
22
23 int edac_err_assert = 0;
24 EXPORT_SYMBOL_GPL(edac_err_assert);
25
26 /*
27 * called to determine if there is an EDAC driver interested in
28 * knowing an event (such as NMI) occurred
29 */
30 int edac_handler_set(void)
31 {
32 if (edac_op_state == EDAC_OPSTATE_POLL)
33 return 0;
34
35 return atomic_read(&edac_handlers);
36 }
37 EXPORT_SYMBOL_GPL(edac_handler_set);
38
39 /*
40 * handler for NMI type of interrupts to assert error
41 */
42 void edac_atomic_assert_error(void)
43 {
44 edac_err_assert++;
45 }
46 EXPORT_SYMBOL_GPL(edac_atomic_assert_error);
47
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