linux-kernel - Re: [Part2 PATCH v6 17/38] crypto: ccp: Implement SEV_PDH

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Message-ID: <8a8f02e2-f613-6da8-0e5c-5fc1cd22ec8f@amd.com>
Date:   Tue, 24 Oct 2017 13:41:35 -0500
From:   Gary R Hook <gary.hook@....com>
To:     Brijesh Singh <brijesh.singh@....com>, kvm@...r.kernel.org
Cc:     bp@...en8.de, Paolo Bonzini <pbonzini@...hat.com>,
        Radim Krčmář <rkrcmar@...hat.com>,
        Borislav Petkov <bp@...e.de>,
        Herbert Xu <herbert@...dor.apana.org.au>,
        Tom Lendacky <thomas.lendacky@....com>,
        linux-crypto@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [Part2 PATCH v6 17/38] crypto: ccp: Implement SEV_PDH_GEN ioctl
 command

On 10/19/2017 09:33 PM, Brijesh Singh wrote:
> The SEV_PDH_GEN command is used to re-generate the Platform
> Diffie-Hellman (PDH) key. The command is defined in SEV spec section
> 5.6.
> 
> Cc: Paolo Bonzini <pbonzini@...hat.com>
> Cc: "Radim Krčmář" <rkrcmar@...hat.com>
> Cc: Borislav Petkov <bp@...e.de>
> Cc: Herbert Xu <herbert@...dor.apana.org.au>
> Cc: Gary Hook <gary.hook@....com>
> Cc: Tom Lendacky <thomas.lendacky@....com>
> Cc: linux-crypto@...r.kernel.org
> Cc: kvm@...r.kernel.org
> Cc: linux-kernel@...r.kernel.org
> Signed-off-by: Brijesh Singh <brijesh.singh@....com>

Acked-by: Gary R Hook <gary.hook@....com>

> ---
>   drivers/crypto/ccp/psp-dev.c | 3 +++
>   1 file changed, 3 insertions(+)
> 
> diff --git a/drivers/crypto/ccp/psp-dev.c b/drivers/crypto/ccp/psp-dev.c
> index 1d7212da25a5..d9771d104eea 100644
> --- a/drivers/crypto/ccp/psp-dev.c
> +++ b/drivers/crypto/ccp/psp-dev.c
> @@ -239,6 +239,9 @@ static long sev_ioctl(struct file *file, unsigned int ioctl, unsigned long arg)
>   	case SEV_PEK_GEN:
>   		ret = sev_ioctl_do_pek_pdh_gen(SEV_CMD_PEK_GEN, &input);
>   		break;
> +	case SEV_PDH_GEN:
> +		ret = sev_ioctl_do_pek_pdh_gen(SEV_CMD_PDH_GEN, &input);
> +		break;
>   	default:
>   		ret = -EINVAL;
>   		goto out;
>