RE: [PATCH 00/24] Thunderbolt security levels and NVM firmware upgrade

[Levy, Amir (Jer)]

On Fri, May 19 2017, 07:35 PM, Mario.Limonciello@xxxxxxxx wrote:
> Here's my setup:
> System: I'm using is an XPS 9350 (Has Alpine Ridge).  It's got NVM 16.0.  BIOS
> 1.4.13 TBT Device: Dell TB16 (which has AR in the cable and in dock - both
> NVM 16.0).
> 

Is it BIOS assist or native enumeration?

> I created a udev rule that will automatically authorize the dock and cable.
> #dell cable
> ACTION=="add", SUBSYSTEM=="thunderbolt", ATTR{authorized}=="0",
> ATTR{vendor}=="0xd4", ATTR{device}=="0xb051", ATTR{authorized}="1"
> #dell dock
> ACTION=="add", SUBSYSTEM=="thunderbolt", ATTR{authorized}=="0",
> ATTR{vendor}=="0xd4", ATTR{device}=="0xb054", ATTR{authorized}="1"
> 

Note that the udev rule should authorize the cable first and then the dock.

> If I boot the system with the dock connected the cable shows up and authorizes
> but the dock doesn't.

I assume it works in Linux with SL0, right?