linux-kernel - Re: [PATCH v2 4/5] crypto: ccp: Add support for getting security attributes on some older systems

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Message-ID: <5bb969c4-5d73-80ba-7aac-fb47105a1f40@amd.com>
Date: Wed, 29 May 2024 10:21:13 -0500
From: Tom Lendacky <thomas.lendacky@....com>
To: Mario Limonciello <mario.limonciello@....com>,
 Herbert Xu <herbert@...dor.apana.org.au>
Cc: "open list:AMD CRYPTOGRAPHIC COPROCESSOR (CCP) DRIVER - DB..."
 <linux-crypto@...r.kernel.org>, Richard Hughes <hughsient@...il.com>,
 open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2 4/5] crypto: ccp: Add support for getting security
 attributes on some older systems

On 5/28/24 16:07, Mario Limonciello wrote:
> Older systems will not populate the security attributes in the
> capabilities register. The PSP on these systems, however, does have a
> command to get the security attributes. Use this command during ccp
> startup to populate the attributes if they're missing.
> 
> Closes: https://github.com/fwupd/fwupd/issues/5284
> Closes: https://github.com/fwupd/fwupd/issues/5675
> Closes: https://github.com/fwupd/fwupd/issues/6253
> Closes: https://github.com/fwupd/fwupd/issues/7280
> Closes: https://github.com/fwupd/fwupd/issues/6323
> Closes: https://github.com/fwupd/fwupd/discussions/5433
> Signed-off-by: Mario Limonciello <mario.limonciello@....com>

Acked-by: Tom Lendacky <thomas.lendacky@....com>

> ---
> v1->v2:
>   * Move code to patch 5
> ---
>   drivers/crypto/ccp/hsti.c           | 55 +++++++++++++++++++++++++++++
>   drivers/crypto/ccp/hsti.h           |  2 ++
>   drivers/crypto/ccp/psp-dev.c        |  5 +++
>   drivers/crypto/ccp/psp-dev.h        |  2 --
>   drivers/crypto/ccp/sp-dev.h         |  1 +
>   drivers/crypto/ccp/sp-pci.c         |  5 ++-
>   include/linux/psp-platform-access.h |  1 +
>   7 files changed, 68 insertions(+), 3 deletions(-)
>