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-rw-r--r--Documentation/ABI/testing/sysfs-class-firmware-attributes19
1 files changed, 15 insertions, 4 deletions
diff --git a/Documentation/ABI/testing/sysfs-class-firmware-attributes b/Documentation/ABI/testing/sysfs-class-firmware-attributes
index 3348bf80a37c..90fdf935aa5e 100644
--- a/Documentation/ABI/testing/sysfs-class-firmware-attributes
+++ b/Documentation/ABI/testing/sysfs-class-firmware-attributes
@@ -2,8 +2,8 @@ What: /sys/class/firmware-attributes/*/attributes/*/
Date: February 2021
KernelVersion: 5.11
Contact: Divya Bharathi <Divya.Bharathi@Dell.com>,
- Mario Limonciello <mario.limonciello@dell.com>,
Prasanth KSR <prasanth.ksr@dell.com>
+ Dell.Client.Kernel@dell.com
Description:
A sysfs interface for systems management software to enable
configuration capability on supported systems. This directory
@@ -130,8 +130,8 @@ What: /sys/class/firmware-attributes/*/authentication/
Date: February 2021
KernelVersion: 5.11
Contact: Divya Bharathi <Divya.Bharathi@Dell.com>,
- Mario Limonciello <mario.limonciello@dell.com>,
Prasanth KSR <prasanth.ksr@dell.com>
+ Dell.Client.Kernel@dell.com
Description:
Devices support various authentication mechanisms which can be exposed
as a separate configuration object.
@@ -220,8 +220,8 @@ What: /sys/class/firmware-attributes/*/attributes/pending_reboot
Date: February 2021
KernelVersion: 5.11
Contact: Divya Bharathi <Divya.Bharathi@Dell.com>,
- Mario Limonciello <mario.limonciello@dell.com>,
Prasanth KSR <prasanth.ksr@dell.com>
+ Dell.Client.Kernel@dell.com
Description:
A read-only attribute reads 1 if a reboot is necessary to apply
pending BIOS attribute changes. Also, an uevent_KOBJ_CHANGE is
@@ -249,8 +249,8 @@ What: /sys/class/firmware-attributes/*/attributes/reset_bios
Date: February 2021
KernelVersion: 5.11
Contact: Divya Bharathi <Divya.Bharathi@Dell.com>,
- Mario Limonciello <mario.limonciello@dell.com>,
Prasanth KSR <prasanth.ksr@dell.com>
+ Dell.Client.Kernel@dell.com
Description:
This attribute can be used to reset the BIOS Configuration.
Specifically, it tells which type of reset BIOS configuration is being
@@ -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.