Commit | Line | Data |
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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 | * | |
30e1f7a8 BP |
6 | * 2007 (c) MontaVista Software, Inc. |
7 | * 2010 (c) Advanced Micro Devices Inc. | |
43aff26c | 8 | * Borislav Petkov <bp@alien8.de> |
30e1f7a8 BP |
9 | * |
10 | * This file is licensed under the terms of the GNU General Public | |
11 | * License version 2. This program is licensed "as is" without any | |
12 | * warranty of any kind, whether express or implied. | |
c0d12172 DJ |
13 | * |
14 | */ | |
15 | #include <linux/module.h> | |
16 | #include <linux/edac.h> | |
60063497 | 17 | #include <linux/atomic.h> |
51990e82 | 18 | #include <linux/device.h> |
c0d12172 DJ |
19 | |
20 | int edac_op_state = EDAC_OPSTATE_INVAL; | |
fb3fb206 | 21 | EXPORT_SYMBOL_GPL(edac_op_state); |
c0d12172 DJ |
22 | |
23 | atomic_t edac_handlers = ATOMIC_INIT(0); | |
fb3fb206 | 24 | EXPORT_SYMBOL_GPL(edac_handlers); |
c0d12172 | 25 | |
66ee2f94 | 26 | int edac_err_assert = 0; |
fb3fb206 | 27 | EXPORT_SYMBOL_GPL(edac_err_assert); |
c0d12172 | 28 | |
c700f013 CG |
29 | int edac_report_status = EDAC_REPORTING_ENABLED; |
30 | EXPORT_SYMBOL_GPL(edac_report_status); | |
31 | ||
32 | static int __init edac_report_setup(char *str) | |
33 | { | |
34 | if (!str) | |
35 | return -EINVAL; | |
36 | ||
37 | if (!strncmp(str, "on", 2)) | |
38 | set_edac_report_status(EDAC_REPORTING_ENABLED); | |
39 | else if (!strncmp(str, "off", 3)) | |
40 | set_edac_report_status(EDAC_REPORTING_DISABLED); | |
41 | else if (!strncmp(str, "force", 5)) | |
42 | set_edac_report_status(EDAC_REPORTING_FORCE); | |
43 | ||
44 | return 0; | |
45 | } | |
46 | __setup("edac_report=", edac_report_setup); | |
47 | ||
fb3fb206 DT |
48 | /* |
49 | * called to determine if there is an EDAC driver interested in | |
50 | * knowing an event (such as NMI) occurred | |
51 | */ | |
52 | int edac_handler_set(void) | |
c0d12172 DJ |
53 | { |
54 | if (edac_op_state == EDAC_OPSTATE_POLL) | |
55 | return 0; | |
56 | ||
57 | return atomic_read(&edac_handlers); | |
58 | } | |
fb3fb206 | 59 | EXPORT_SYMBOL_GPL(edac_handler_set); |
c0d12172 DJ |
60 | |
61 | /* | |
62 | * handler for NMI type of interrupts to assert error | |
63 | */ | |
fb3fb206 | 64 | void edac_atomic_assert_error(void) |
c0d12172 | 65 | { |
66ee2f94 | 66 | edac_err_assert++; |
c0d12172 | 67 | } |
fb3fb206 | 68 | EXPORT_SYMBOL_GPL(edac_atomic_assert_error); |