X-Git-Url: http://git.monstr.eu/?a=blobdiff_plain;f=Documentation%2FABI%2Ftesting%2Fsysfs-bus-thunderbolt;h=95c21d6c9a84abbdd56e5a64ebdeb6b1136c18fc;hb=e07af2626643293fa16df655979e7963250abc63;hp=f6743dc33aacd5bacf5d7618c119c36baaaea0cd;hpb=3fb10ea4ce86d4d06622be894099c59872e92c57;p=linux-2.6-microblaze.git diff --git a/Documentation/ABI/testing/sysfs-bus-thunderbolt b/Documentation/ABI/testing/sysfs-bus-thunderbolt index f6743dc33aac..b7e87f6c7d47 100644 --- a/Documentation/ABI/testing/sysfs-bus-thunderbolt +++ b/Documentation/ABI/testing/sysfs-bus-thunderbolt @@ -213,12 +213,15 @@ Description: When new NVM image is written to the non-active NVM restarted with the new NVM firmware. If the image verification fails an error code is returned instead. - This file will accept writing values "1" or "2" + This file will accept writing values "1", "2" or "3". - Writing "1" will flush the image to the storage area and authenticate the image in one action. - Writing "2" will run some basic validation on the image and flush it to the storage area. + - Writing "3" will authenticate the image that is + currently written in the storage area. This is only + supported with USB4 devices and retimers. When read holds status of the last authentication operation if an error occurred during the process. This @@ -229,7 +232,7 @@ Description: When new NVM image is written to the non-active NVM What: /sys/bus/thunderbolt/devices/.../nvm_authenticate_on_disconnect Date: Oct 2020 KernelVersion: v5.9 -Contact: Mario Limonciello +Contact: Mario Limonciello Description: For supported devices, automatically authenticate the new Thunderbolt image when the device is disconnected from the host system.