diff options
Diffstat (limited to 'Documentation/ABI')
| -rw-r--r-- | Documentation/ABI/testing/sysfs-class-firmware-attributes | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-class-firmware-attributes b/Documentation/ABI/testing/sysfs-class-firmware-attributes index 0b43997b76e3..90fdf935aa5e 100644 --- a/Documentation/ABI/testing/sysfs-class-firmware-attributes +++ b/Documentation/ABI/testing/sysfs-class-firmware-attributes @@ -272,3 +272,14 @@ Description: Note that any changes to this attribute requires a reboot for changes to take effect. + +What: /sys/class/firmware-attributes/*/attributes/debug_cmd +Date: July 2021 +KernelVersion: 5.14 +Contact: Mark Pearson <markpearson@lenovo.com> +Description: + This write only attribute can be used to send debug commands to the BIOS. + This should only be used when recommended by the BIOS vendor. Vendors may + use it to enable extra debug attributes or BIOS features for testing purposes. + + Note that any changes to this attribute requires a reboot for changes to take effect. |