projects / linux-2.6-block.git / blame
| Commit | Line | Data |
|---|---|---|
| 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); |