Re: [RFC PATCH v1 0/2] UFS Advanced RPMB

From: Bean Huo
Date: Thu Nov 10 2022 - 08:51:05 EST



Avri,

Thanks for your suggetions and review

On Wed, 2022-11-09 at 08:18 +0000, Avri Altman wrote:
> > In UFS 4.0, it introduced advanced RPMB, which can significantly
> > improve
> > RPMB's command performance, enhancing its atomic operation. We
> > don't
> > know which implementation will please everyone, mark this advanced
> > RPMB
> > patch as RFC. Any suggestions to make the patch a master patch are
> > welcome.
> > Based on suggestions and feedback from Hannes Reinecke and Bart, we
> > can
> > use job_bsg->request and job_bsg->reply to pass EHS packets without
> > changing
> > the BSG V4 structure and BSG core. So we push RFC patch just to
> > start
> > Advanced RPMB mainlining
>
> I concur with this approach.
>
> The current limitations that the new spec imposes,
>
> e.g. putting confidential data in a construct that lives in the ufs-
> driver,
>
> practically gives no other alternative but ufs-bsg.
>
>
>
> If no one else object, maybe you can leave out the rfc from the next
> version.
>
>

I will prepare next version, and address your all questions in the next
version. thanks.

Kind regards,
Bean