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-rw-r--r--Documentation/acpi/apei/einj.txt10
1 files changed, 10 insertions, 0 deletions
diff --git a/Documentation/acpi/apei/einj.txt b/Documentation/acpi/apei/einj.txt
index 838b7f0d5e11..dfab71848dc8 100644
--- a/Documentation/acpi/apei/einj.txt
+++ b/Documentation/acpi/apei/einj.txt
@@ -45,5 +45,15 @@ directory apei/einj. The following files are provided.
injection. Before this, please specify all necessary error
parameters.
+- param1
+ This file is used to set the first error parameter value. Effect of
+ parameter depends on error_type specified. For memory error, this is
+ physical memory address.
+
+- param2
+ This file is used to set the second error parameter value. Effect of
+ parameter depends on error_type specified. For memory error, this is
+ physical memory address mask.
+
For more information about EINJ, please refer to ACPI specification
version 4.0, section 17.5.