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| author | Brijesh Singh <brijesh.singh@amd.com> | 2017-12-04 10:57:30 -0600 |
|---|---|---|
| committer | Brijesh Singh <brijesh.singh@amd.com> | 2017-12-04 10:57:30 -0600 |
| commit | 77f65327228f001bf1a43eb09dc96bbdba5b4eac (patch) | |
| tree | 9c8fa2ddffabe280e291d947d0b3e1bcc247b732 /drivers | |
| parent | 4d84b726be834d4991b94fd51df66ec299b66d45 (diff) | |
| download | linux-stable-77f65327228f001bf1a43eb09dc96bbdba5b4eac.tar.gz linux-stable-77f65327228f001bf1a43eb09dc96bbdba5b4eac.tar.bz2 linux-stable-77f65327228f001bf1a43eb09dc96bbdba5b4eac.zip | |
crypto: ccp: Implement SEV_PDH_GEN ioctl command
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>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/crypto/ccp/psp-dev.c | 3 |
1 files changed, 3 insertions, 0 deletions
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; |