Re: [PATCH v2 09/11] coco: guest: arm64: Wire Realm TDISP RUN/STOP transitions into guest driver

[Jonathan Cameron]

On Mon, 17 Nov 2025 19:30:05 +0530
"Aneesh Kumar K.V (Arm)" <aneesh.kumar@xxxxxxxxxx> wrote:

> Teach the Arm CCA guest driver how to transition a Realm device between
> RUN and STOP states. The new helpers issue the RSI START/STOP calls,
> poll with CONTINUE until completion, and surface errors back to the TSM.
> The PCI TSM accept/unlock paths now invoke these helpers so writing `1`
> to `tsm/accept` correctly kicks off the TDISP RUN sequence and unlock
> tears it back down.
> 
> Signed-off-by: Aneesh Kumar K.V (Arm) <aneesh.kumar@xxxxxxxxxx>
Reviewed-by: Jonathan Cameron <jonathan.cameron@xxxxxxxxxx>