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Subject[Part2 PATCH v9 17/38] crypto: ccp: Implement SEV_PDH_GEN ioctl command
Date
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@redhat.com>
Cc: "Radim Krčmář" <rkrcmar@redhat.com>
Cc: Borislav Petkov <bp@suse.de>
Cc: Herbert Xu <herbert@gondor.apana.org.au>
Cc: Gary Hook <gary.hook@amd.com>
Cc: Tom Lendacky <thomas.lendacky@amd.com>
Cc: linux-crypto@vger.kernel.org
Cc: kvm@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Brijesh Singh <brijesh.singh@amd.com>
Reviewed-by: Borislav Petkov <bp@suse.de>
Acked-by: Gary R Hook <gary.hook@amd.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 8aa8036023e0..fd3daf0a1176 100644
--- a/drivers/crypto/ccp/psp-dev.c
+++ b/drivers/crypto/ccp/psp-dev.c
@@ -333,6 +333,9 @@ 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;
--
2.9.5
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