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docs: acpi_hest_ghes: fix documentation for CPER size

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While the spec defines a CPER size of 4KiB for each record,
currently it is set to 1KiB. Fix the documentation and add
a pointer to the macro name there, as this may help to keep
it updated.

Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Message-Id: <f7e94433bec19a9d6b23ecccc24b5fe3a6f7f52b.1736945236.git.mchehab+huawei@kernel.org>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Mauro Carvalho Chehab 2025-01-15 13:50:32 +01:00 committed by Michael S. Tsirkin
parent 47935fc1e5
commit 84c146758d
1 changed files with 4 additions and 2 deletions
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docs/specs/acpi_hest_ghes.rst
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@ -67,8 +67,10 @@ Design Details
(3) The address registers table contains N Error Block Address entries (3) The address registers table contains N Error Block Address entries
and N Read Ack Register entries. The size for each entry is 8-byte. and N Read Ack Register entries. The size for each entry is 8-byte.
The Error Status Data Block table contains N Error Status Data Block The Error Status Data Block table contains N Error Status Data Block
entries. The size for each entry is 4096(0x1000) bytes. The total size entries. The size for each entry is defined at the source code as
for the "etc/hardware_errors" fw_cfg blob is (N * 8 * 2 + N * 4096) bytes. ACPI_GHES_MAX_RAW_DATA_LENGTH (currently 1024 bytes). The total size
for the "etc/hardware_errors" fw_cfg blob is
(N * 8 * 2 + N * ACPI_GHES_MAX_RAW_DATA_LENGTH) bytes.
N is the number of the kinds of hardware error sources. N is the number of the kinds of hardware error sources.
(4) QEMU generates the ACPI linker/loader script for the firmware. The (4) QEMU generates the ACPI linker/loader script for the firmware. The