linux-kernel - Re: [PATCH v1 2/5] x86/sev: Move sev

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Date: Fri, 21 Jun 2024 16:42:57 +0000
From: Liam Merwick <liam.merwick@...cle.com>
To: Michael Roth <michael.roth@....com>,
        "kvm@...r.kernel.org"
	<kvm@...r.kernel.org>
CC: "linux-coco@...ts.linux.dev" <linux-coco@...ts.linux.dev>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "x86@...nel.org" <x86@...nel.org>,
        "pbonzini@...hat.com"
	<pbonzini@...hat.com>,
        "seanjc@...gle.com" <seanjc@...gle.com>,
        "jroedel@...e.de" <jroedel@...e.de>,
        "thomas.lendacky@....com"
	<thomas.lendacky@....com>,
        "pgonda@...gle.com" <pgonda@...gle.com>,
        "ashish.kalra@....com" <ashish.kalra@....com>,
        "bp@...en8.de" <bp@...en8.de>,
        "pankaj.gupta@....com" <pankaj.gupta@....com>,
        Liam Merwick
	<liam.merwick@...cle.com>
Subject: Re: [PATCH v1 2/5] x86/sev: Move sev_guest.h into common SEV header

On 21/06/2024 14:40, Michael Roth wrote:
> sev_guest.h currently contains various definitions relating to the
> format of SNP_GUEST_REQUEST commands to SNP firmware. Currently only the
> sev-guest driver makes use of them, but when the KVM side of this is
> implemented there's a need to parse the SNP_GUEST_REQUEST header to
> determine whether additional information needs to be provided to the
> guest. Prepare for this by moving those definitions to a common header
> that's shared by host/guest code so that KVM can also make use of them.
> 
> Signed-off-by: Michael Roth <michael.roth@....com>

Reviewed-by: Liam Merwick <liam.merwick@...cle.com>


> ---
>   arch/x86/include/asm/sev.h              | 48 +++++++++++++++++++
>   drivers/virt/coco/sev-guest/sev-guest.c |  2 -
>   drivers/virt/coco/sev-guest/sev-guest.h | 63 -------------------------
>   3 files changed, 48 insertions(+), 65 deletions(-)
>   delete mode 100644 drivers/virt/coco/sev-guest/sev-guest.h
>