diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71-e3000/0076-KVM-SVM-Add-support-for-SEV-LAUNCH_FINISH-command.patch')
| -rw-r--r-- | meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71-e3000/0076-KVM-SVM-Add-support-for-SEV-LAUNCH_FINISH-command.patch | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71-e3000/0076-KVM-SVM-Add-support-for-SEV-LAUNCH_FINISH-command.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71-e3000/0076-KVM-SVM-Add-support-for-SEV-LAUNCH_FINISH-command.patch new file mode 100644 index 00000000..e1aeebcc --- /dev/null +++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71-e3000/0076-KVM-SVM-Add-support-for-SEV-LAUNCH_FINISH-command.patch @@ -0,0 +1,72 @@ +From 523e467ebe09e8f940644928873a251e2fcc97bc Mon Sep 17 00:00:00 2001 +From: Brijesh Singh <brijesh.singh@amd.com> +Date: Mon, 4 Dec 2017 10:57:36 -0600 +Subject: [PATCH 76/95] KVM: SVM: Add support for SEV LAUNCH_FINISH command +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +The command is used for finializing the SEV guest launch process. + +Cc: Thomas Gleixner <tglx@linutronix.de> +Cc: Ingo Molnar <mingo@redhat.com> +Cc: "H. Peter Anvin" <hpa@zytor.com> +Cc: Paolo Bonzini <pbonzini@redhat.com> +Cc: "Radim Krčmář" <rkrcmar@redhat.com> +Cc: Joerg Roedel <joro@8bytes.org> +Cc: Borislav Petkov <bp@suse.de> +Cc: Tom Lendacky <thomas.lendacky@amd.com> +Cc: x86@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> +Signed-off-by: Sudheesh Mavila <sudheesh.mavila@amd.com> +--- + arch/x86/kvm/svm.c | 23 +++++++++++++++++++++++ + 1 file changed, 23 insertions(+) + +diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c +index 86e255b..a597efc 100755 +--- a/arch/x86/kvm/svm.c ++++ b/arch/x86/kvm/svm.c +@@ -6219,6 +6219,26 @@ static int sev_launch_measure(struct kvm *kvm, struct kvm_sev_cmd *argp) + return ret; + } + ++static int sev_launch_finish(struct kvm *kvm, struct kvm_sev_cmd *argp) ++{ ++ struct kvm_sev_info *sev = &kvm->arch.sev_info; ++ struct sev_data_launch_finish *data; ++ int ret; ++ ++ if (!sev_guest(kvm)) ++ return -ENOTTY; ++ ++ data = kzalloc(sizeof(*data), GFP_KERNEL); ++ if (!data) ++ return -ENOMEM; ++ ++ data->handle = sev->handle; ++ ret = sev_issue_cmd(kvm, SEV_CMD_LAUNCH_FINISH, data, &argp->error); ++ ++ kfree(data); ++ return ret; ++} ++ + static int svm_mem_enc_op(struct kvm *kvm, void __user *argp) + { + struct kvm_sev_cmd sev_cmd; +@@ -6245,6 +6265,9 @@ static int svm_mem_enc_op(struct kvm *kvm, void __user *argp) + case KVM_SEV_LAUNCH_MEASURE: + r = sev_launch_measure(kvm, &sev_cmd); + break; ++ case KVM_SEV_LAUNCH_FINISH: ++ r = sev_launch_finish(kvm, &sev_cmd); ++ break; + default: + r = -EINVAL; + goto out; +-- +2.7.4 + |