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efi: add API doc entry for ovmf_debug_log

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Document the newly added sysfs ABI for accessing the in-memory debug log
provided by OVMF EFI firmware (when enabled)

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Acked-by: Jonathan Corbet <corbet@lwn.net>
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
This commit is contained in:
Gerd Hoffmann
2025-07-11 07:44:46 +02:00
committed by Ard Biesheuvel
parent 86bc643afd
commit 02eb7a8eee
1 changed files with 7 additions and 0 deletions
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Documentation/ABI/testing/sysfs-firmware-efi
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@@ -36,3 +36,10 @@ Description: Displays the content of the Runtime Configuration Interface
Table version 2 on Dell EMC PowerEdge systems in binary format
Users: It is used by Dell EMC OpenManage Server Administrator tool to
populate BIOS setup page.
What: /sys/firmware/efi/ovmf_debug_log
Date: July 2025
Contact: Gerd Hoffmann <kraxel@redhat.com>, linux-efi@vger.kernel.org
Description: Displays the content of the OVMF debug log buffer. The file is
only present in case the firmware supports logging to a memory
buffer.