Re: [Part2 PATCH v6 17/38] crypto: ccp: Implement SEV_PDH_GEN ioctl command

[Gary R Hook]

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@xxxxxxxxxx>
> Cc: "Radim KrÄmÃÅ" <rkrcmar@xxxxxxxxxx>
> Cc: Borislav Petkov <bp@xxxxxxx>
> Cc: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
> Cc: Gary Hook <gary.hook@xxxxxxx>
> Cc: Tom Lendacky <thomas.lendacky@xxxxxxx>
> Cc: linux-crypto@xxxxxxxxxxxxxxx
> Cc: kvm@xxxxxxxxxxxxxxx
> Cc: linux-kernel@xxxxxxxxxxxxxxx
> Signed-off-by: Brijesh Singh <brijesh.singh@xxxxxxx>

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

> ---
>   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;