linux-kernel - Re: [PATCH v2] crypto: ccp: introduce SEV_GET

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Date:   Mon, 8 Apr 2019 14:40:23 +0800
From:   Herbert Xu <herbert@...dor.apana.org.au>
To:     "Singh, Brijesh" <brijesh.singh@....com>
Cc:     "linux-crypto@...r.kernel.org" <linux-crypto@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "Natarajan, Janakarajan" <Janakarajan.Natarajan@....com>,
        "Hook, Gary" <Gary.Hook@....com>,
        "Lendacky, Thomas" <Thomas.Lendacky@....com>,
        Nathaniel McCallum <npmccallum@...hat.com>
Subject: Re: [PATCH v2] crypto: ccp: introduce SEV_GET_ID2 command

On Thu, Mar 28, 2019 at 09:58:52PM +0000, Singh, Brijesh wrote:
> The current definition and implementation of the SEV_GET_ID command
> does not provide the length of the unique ID returned by the firmware.
> As per the firmware specification, the firmware may return an ID
> length that is not restricted to 64 bytes as assumed by the SEV_GET_ID
> command.
> 
> Introduce the SEV_GET_ID2 command to overcome with the SEV_GET_ID
> limitations. Deprecate the SEV_GET_ID in the favor of SEV_GET_ID2.
> 
> At the same time update SEV API web link.
> 
> Cc: Janakarajan Natarajan <Janakarajan.Natarajan@....com>
> Cc: Herbert Xu <herbert@...dor.apana.org.au>
> Cc: Gary Hook <gary.hook@....com>
> Cc: Tom Lendacky <thomas.lendacky@....com>
> Cc: Nathaniel McCallum <npmccallum@...hat.com>
> Signed-off-by: Brijesh Singh <brijesh.singh@....com>
> ---
> Change since v1:
>   - Keep the SEV_GET_ID implement and log the deprecated message
> 
>  drivers/crypto/ccp/psp-dev.c | 67 ++++++++++++++++++++++++++++++++++++
>  include/linux/psp-sev.h      |  3 +-
>  include/uapi/linux/psp-sev.h | 18 +++++++---
>  3 files changed, 82 insertions(+), 6 deletions(-)

Patch applied.  Thanks.
-- 
Email: Herbert Xu <herbert@...dor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt