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From:   Daniel Axtens <dja@axtens.net>
To:     Nayna <nayna@linux.vnet.ibm.com>
Cc:     Nayna Jain <nayna@linux.ibm.com>, linuxppc-dev@ozlabs.org,
        linux-efi@vger.kernel.org, linux-integrity@vger.kernel.org,
        linux-kernel@vger.kernel.org,
        Michael Ellerman <mpe@ellerman.id.au>,
        Paul Mackerras <paulus@samba.org>,
        Benjamin Herrenschmidt <benh@kernel.crashing.org>,
        Ard Biesheuvel <ard.biesheuvel@linaro.org>,
        Jeremy Kerr <jk@ozlabs.org>,
        Matthew Garret <matthew.garret@nebula.com>,
        Mimi Zohar <zohar@linux.ibm.com>,
        Claudio Carvalho <cclaudio@linux.ibm.com>,
        Eric Richter <erichte@linux.ibm.com>
Subject: Re: [PATCH v3 1/3] powerpc/powernv: Add OPAL API interface to get secureboot state
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Date:   Mon, 17 Jun 2019 09:56:05 +1000
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Hi Nayna,

>> I guess I also somewhat object to calling it a 'backend' if we're using
>> it as a version scheme. I think the skiboot storage backends are true
>> backends - they provide different implementations of the same
>> functionality with the same API, but this seems like you're using it to
>> indicate different functionality. It seems like we're using it as if it
>> were called OPAL_SECVAR_VERSION.
>
> We are changing how we are exposing the version to the kernel. The=20
> version will be exposed as device-tree entry rather than a OPAL runtime=20
> service. We are not tied to the name "backend", we can switch to calling=
=20
> it as "scheme" unless there is a better name.

This sounds like a good approach to me.

Kind regards,
Daniel

>
> Thanks & Regards,
>  =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 - Nayna