linux-kernel - [RFC PATCH 0/5] RPMB internal and user-space API + WIP virtio-rpmb frontend

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Message-Id: <20210309132725.638205-1-avri.altman@wdc.com>
Date:   Tue,  9 Mar 2021 15:27:25 +0200
From:   Avri Altman <avri.altman@....com>
To:     alex.bennee@...aro.org
Cc:     Matti.Moell@...nsynergy.com, arnd@...aro.org, bing.zhu@...el.com,
        hmo@...nsynergy.com, ilias.apalodimas@...aro.org,
        joakim.bech@...aro.org, linux-kernel@...r.kernel.org,
        linux-mmc@...r.kernel.org, linux-nvme@...r.kernel.org,
        linux-scsi@...r.kernel.org, maxim.uvarov@...aro.org,
        ruchika.gupta@...aro.org, tomas.winkler@...el.com,
        yang.huang@...el.com
Subject: [RFC PATCH  0/5] RPMB internal and user-space API + WIP virtio-rpmb frontend

The mmc driver has some hooks to support rpmb access, but access is
mainly facilitated from user space, e.g. mmc-utils.

The ufs driver has no concept of rpmb access - it is facilitated via
user space, e.g. ufs-utils and similar.

Both for ufs and mmc, rpmb access is defined in their applicable jedec
specs. This is the case for few years now - AFAIK No new rpmb-related
stuff is expected to be introduced in the near future.

What problems, as far as mmc and ufs, are you trying to solve by this new subsystem?

Thanks,
Avri