Re: [PATCH 2/6] thunderbolt: Add support for PCIe tunneling disabled (SL5)

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On Tue, Jan 26, 2021 at 5:57 PM Mika Westerberg
<mika.westerberg@xxxxxxxxxxxxxxx> wrote:
>
> Recent Intel Thunderbolt firmware connection manager has support for
> another security level, SL5, that disables PCIe tunneling. This option
> can be turned on from the BIOS.
>
> When this is set the driver exposes a new security level "nopcie" to the
> userspace and hides the authorized attribute under connected devices.
>
> While there we also hide it when "dponly" security level is enabled
> since it is not really usable in that case anyway.
>
> Signed-off-by: Mika Westerberg <mika.westerberg@xxxxxxxxxxxxxxx>
> ---

Looks good to me, I'm just not sure I understand how this is different from
dponly mode. Is this just because it comes from the new _OSC?



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