Commit ace3647a authored by Chen Gong's avatar Chen Gong Committed by Tony Luck

ACPI/APEI: Update einj documentation for param1/param2

To ensure EINJ working well when injecting errors via EINJ
table, add some restrictions: param1 must be a valid physical
RAM address and param2 must specify page granularity or
narrower.
Signed-off-by: default avatarChen Gong <gong.chen@linux.intel.com>
Signed-off-by: default avatarTony Luck <tony.luck@intel.com>
parent c5a13032
...@@ -47,11 +47,16 @@ directory apei/einj. The following files are provided. ...@@ -47,11 +47,16 @@ directory apei/einj. The following files are provided.
- param1 - param1
This file is used to set the first error parameter value. Effect of This file is used to set the first error parameter value. Effect of
parameter depends on error_type specified. parameter depends on error_type specified. For example, if error
type is memory related type, the param1 should be a valid physical
memory address.
- param2 - param2
This file is used to set the second error parameter value. Effect of This file is used to set the second error parameter value. Effect of
parameter depends on error_type specified. parameter depends on error_type specified. For example, if error
type is memory related type, the param2 should be a physical memory
address mask. Linux requires page or narrower granularity, say,
0xfffffffffffff000.
- notrigger - notrigger
The EINJ mechanism is a two step process. First inject the error, then The EINJ mechanism is a two step process. First inject the error, then
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment