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 <[email protected]> Cc: "Radim Krčmář" <[email protected]> Cc: Borislav Petkov <[email protected]> Cc: Herbert Xu <[email protected]> Cc: Gary Hook <[email protected]> Cc: Tom Lendacky <[email protected]> Cc: [email protected] Cc: [email protected] Cc: [email protected] Signed-off-by: Brijesh Singh <[email protected]> Reviewed-by: Borislav Petkov <[email protected]> Acked-by: Gary R Hook <[email protected]> --- 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 2c28c36d7ae8..42991c2e9085 100644 --- a/drivers/crypto/ccp/psp-dev.c +++ b/drivers/crypto/ccp/psp-dev.c @@ -329,6 +329,9 @@ 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

