diff options
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/acpi/apei/einj.txt | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/Documentation/acpi/apei/einj.txt b/Documentation/acpi/apei/einj.txt index dfab71848dc8..5cc699ba5453 100644 --- a/Documentation/acpi/apei/einj.txt +++ b/Documentation/acpi/apei/einj.txt | |||
| @@ -48,12 +48,19 @@ directory apei/einj. The following files are provided. | |||
| 48 | - param1 | 48 | - param1 |
| 49 | This file is used to set the first error parameter value. Effect of | 49 | This file is used to set the first error parameter value. Effect of |
| 50 | parameter depends on error_type specified. For memory error, this is | 50 | parameter depends on error_type specified. For memory error, this is |
| 51 | physical memory address. | 51 | physical memory address. Only available if param_extension module |
| 52 | parameter is specified. | ||
| 52 | 53 | ||
| 53 | - param2 | 54 | - param2 |
| 54 | This file is used to set the second error parameter value. Effect of | 55 | This file is used to set the second error parameter value. Effect of |
| 55 | parameter depends on error_type specified. For memory error, this is | 56 | parameter depends on error_type specified. For memory error, this is |
| 56 | physical memory address mask. | 57 | physical memory address mask. Only available if param_extension |
| 58 | module parameter is specified. | ||
| 59 | |||
| 60 | Injecting parameter support is a BIOS version specific extension, that | ||
| 61 | is, it only works on some BIOS version. If you want to use it, please | ||
| 62 | make sure your BIOS version has the proper support and specify | ||
| 63 | "param_extension=y" in module parameter. | ||
| 57 | 64 | ||
| 58 | For more information about EINJ, please refer to ACPI specification | 65 | For more information about EINJ, please refer to ACPI specification |
| 59 | version 4.0, section 17.5. | 66 | version 4.0, section 17.5. |