Re: [PATCH v7 06/22] coco/tdx-host: Expose P-SEAMLDR information via sysfs
From: Edgecombe, Rick P
Date: Tue Apr 14 2026 - 13:02:50 EST
On Tue, 2026-04-14 at 19:20 +0800, Chao Gao wrote:
> > Can you explain how all of these overlap?
> > - TDX module supports module update
> > - SEAMLDR supports NUM_REMAINING_UPDATES info
> > - SEAMLDR supports VERSION info
> >
> > If the TDX module supports module update, do we know the SEAMLDR supports
> > this other stuff somehow? It might be worth a comment the reasoning.
>
> VERSION and NUM_REMAINING_UPDATES are always available for any P-SEAMLDR. They
> don't depend on TDX module's update support.
The old seamldr's don't support them though, right? At least the docs I'm
looking at show NUM_REMAINING_UPDATES as a change in the spec. Oh this update is
from 2022. So quite old now.