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authorMauro Carvalho Chehab <mchehab+huawei@kernel.org>2025-01-15 13:50:32 +0100
committerMichael S. Tsirkin <mst@redhat.com>2025-01-15 13:07:18 -0500
commit84c146758d79b3689b6c9c7815b6bfbb70ba06b0 (patch)
treeabee12631670639a7fd71187adb04ba12980a2b8
parent47935fc1e56f02c892d186ef89be7c923f73c89b (diff)
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docs: acpi_hest_ghes: fix documentation for CPER size
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>
-rw-r--r--docs/specs/acpi_hest_ghes.rst6
1 files changed, 4 insertions, 2 deletions
diff --git a/docs/specs/acpi_hest_ghes.rst b/docs/specs/acpi_hest_ghes.rst
index 68f1fbe..c3e9f8d 100644
--- a/docs/specs/acpi_hest_ghes.rst
+++ b/docs/specs/acpi_hest_ghes.rst
@@ -67,8 +67,10 @@ Design Details
(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.
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
- for the "etc/hardware_errors" fw_cfg blob is (N * 8 * 2 + N * 4096) bytes.
+ entries. The size for each entry is defined at the source code as
+ 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.
(4) QEMU generates the ACPI linker/loader script for the firmware. The