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include/acpi/acpi.h: add comment about raw data in generic error status 

Since the specification isn't very clear on this, add a comment about
the optional raw data part of a acpi_generic_error_status block.

Signed-off-by: Felix Held <felix-coreboot@felixheld.de>
Change-Id: I6df7d2f216fe0515e89d08c8ed01f06d19461429
Reviewed-on: https://review.coreboot.org/c/coreboot/+/56611
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
This commit is contained in:
Felix Held 2021-07-26 22:43:00 +02:00
parent 98fb72fa3f
commit 403fa86924
1 changed files with 9 additions and 1 deletions
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10
src/include/acpi/acpi.h
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@ -929,7 +929,15 @@ typedef struct acpi_hest_generic_data_v300 {
#define ACPI_GENERROR_VALID_FRUID_TEXT BIT(1)
#define ACPI_GENERROR_VALID_TIMESTAMP BIT(2)
/* Generic Error Status Block */
/*
* Generic Error Status Block
*
* If there is a raw data section at the end of the generic error status block after the
* zero or more generic error data entries, raw_data_length indicates the length of the raw
* section and raw_data_offset is the offset of the beginning of the raw data section from
* the start of the acpi_generic_error_status block it is contained in. So if raw_data_length
* is non-zero, raw_data_offset must be at least sizeof(acpi_generic_error_status_t).
*/
typedef struct acpi_generic_error_status {
u32 block_status;
u32 raw_data_offset; /* must follow any generic entries */