diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71-e3000/0027-crypto-ccp-Implement-SEV_PEK_GEN-ioctl-command.patch')
| -rw-r--r-- | meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71-e3000/0027-crypto-ccp-Implement-SEV_PEK_GEN-ioctl-command.patch | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71-e3000/0027-crypto-ccp-Implement-SEV_PEK_GEN-ioctl-command.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71-e3000/0027-crypto-ccp-Implement-SEV_PEK_GEN-ioctl-command.patch new file mode 100644 index 00000000..3e076194 --- /dev/null +++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71-e3000/0027-crypto-ccp-Implement-SEV_PEK_GEN-ioctl-command.patch @@ -0,0 +1,66 @@ +From 3806307056dfc8add8b8c8420db1e3c6be328267 Mon Sep 17 00:00:00 2001 +From: Brijesh Singh <brijesh.singh@amd.com> +Date: Mon, 4 Dec 2017 10:57:30 -0600 +Subject: [PATCH 27/95] crypto: ccp: Implement SEV_PEK_GEN ioctl command +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +The SEV_PEK_GEN command is used to generate a new Platform Endorsement +Key (PEK). 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 +Reviewed-by: Borislav Petkov <bp@suse.de> +Improvements-by: Borislav Petkov <bp@suse.de> +Signed-off-by: Brijesh Singh <brijesh.singh@amd.com> +Acked-by: Gary R Hook <gary.hook@amd.com> +Signed-off-by: Sudheesh Mavila <sudheesh.mavila@amd.com> +--- + drivers/crypto/ccp/psp-dev.c | 16 ++++++++++++++++ + 1 file changed, 16 insertions(+) + +diff --git a/drivers/crypto/ccp/psp-dev.c b/drivers/crypto/ccp/psp-dev.c +index a5072b1..8aa8036 100644 +--- a/drivers/crypto/ccp/psp-dev.c ++++ b/drivers/crypto/ccp/psp-dev.c +@@ -289,6 +289,19 @@ static int sev_ioctl_do_platform_status(struct sev_issue_cmd *argp) + return ret; + } + ++static int sev_ioctl_do_pek_pdh_gen(int cmd, struct sev_issue_cmd *argp) ++{ ++ int rc; ++ ++ if (psp_master->sev_state == SEV_STATE_UNINIT) { ++ rc = __sev_platform_init_locked(&argp->error); ++ if (rc) ++ return rc; ++ } ++ ++ return __sev_do_cmd_locked(cmd, 0, &argp->error); ++} ++ + static long sev_ioctl(struct file *file, unsigned int ioctl, unsigned long arg) + { + void __user *argp = (void __user *)arg; +@@ -317,6 +330,9 @@ static long sev_ioctl(struct file *file, unsigned int ioctl, unsigned long arg) + case SEV_PLATFORM_STATUS: + ret = sev_ioctl_do_platform_status(&input); + break; ++ case SEV_PEK_GEN: ++ ret = sev_ioctl_do_pek_pdh_gen(SEV_CMD_PEK_GEN, &input); ++ break; + default: + ret = -EINVAL; + goto out; +-- +2.7.4 + |