diff options
| author | Mario Limonciello <mario.limonciello@dell.com> | 2020-06-23 11:14:29 -0500 |
|---|---|---|
| committer | Mika Westerberg <mika.westerberg@linux.intel.com> | 2020-07-01 13:51:49 +0300 |
| commit | 1cb36293833766e048cba2026dd860687a2851d9 (patch) | |
| tree | 1922fd625b49827fb65cccd15469e1359b867491 /Documentation/ABI | |
| parent | 4b794f8066e84818c172c81024f1d61071f14710 (diff) | |
thunderbolt: Add support for authenticate on disconnect
Some external devices can support completing thunderbolt authentication
when they are unplugged. For this to work though, the link controller must
remain operational.
The only device known to support this right now is the Dell WD19TB, so add
a quirk for this.
Signed-off-by: Mario Limonciello <mario.limonciello@dell.com>
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Diffstat (limited to 'Documentation/ABI')
| -rw-r--r-- | Documentation/ABI/testing/sysfs-bus-thunderbolt | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-bus-thunderbolt b/Documentation/ABI/testing/sysfs-bus-thunderbolt index 7d0500b4d58a..dd565c378b40 100644 --- a/Documentation/ABI/testing/sysfs-bus-thunderbolt +++ b/Documentation/ABI/testing/sysfs-bus-thunderbolt @@ -276,3 +276,16 @@ Date: Oct 2020 KernelVersion: v5.9 Contact: Mika Westerberg <mika.westerberg@linux.intel.com> Description: Retimer vendor identifier read from the hardware. + +What: /sys/bus/thunderbolt/devices/.../nvm_authenticate_on_disconnect +Date: Oct 2020 +KernelVersion: v5.9 +Contact: Mario Limonciello <mario.limonciello@dell.com> +Description: For supported devices, automatically authenticate the new Thunderbolt + image when the device is disconnected from the host system. + + This file will accept writing values "1" or "2" + - Writing "1" will flush the image to the storage + area and prepare the device for authentication on disconnect. + - Writing "2" will run some basic validation on the image + and flush it to the storage area. |