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c0d12172 DJ |
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; | |
fb3fb206 | 18 | EXPORT_SYMBOL_GPL(edac_op_state); |
c0d12172 DJ |
19 | |
20 | atomic_t edac_handlers = ATOMIC_INIT(0); | |
fb3fb206 | 21 | EXPORT_SYMBOL_GPL(edac_handlers); |
c0d12172 | 22 | |
66ee2f94 | 23 | int edac_err_assert = 0; |
fb3fb206 | 24 | EXPORT_SYMBOL_GPL(edac_err_assert); |
c0d12172 | 25 | |
fb3fb206 DT |
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) | |
c0d12172 DJ |
31 | { |
32 | if (edac_op_state == EDAC_OPSTATE_POLL) | |
33 | return 0; | |
34 | ||
35 | return atomic_read(&edac_handlers); | |
36 | } | |
fb3fb206 | 37 | EXPORT_SYMBOL_GPL(edac_handler_set); |
c0d12172 DJ |
38 | |
39 | /* | |
40 | * handler for NMI type of interrupts to assert error | |
41 | */ | |
fb3fb206 | 42 | void edac_atomic_assert_error(void) |
c0d12172 | 43 | { |
66ee2f94 | 44 | edac_err_assert++; |
c0d12172 | 45 | } |
fb3fb206 | 46 | EXPORT_SYMBOL_GPL(edac_atomic_assert_error); |