diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71-e3000/0077-KVM-SVM-Add-support-for-SEV-GUEST_STATUS-command.patch')
| -rw-r--r-- | meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71-e3000/0077-KVM-SVM-Add-support-for-SEV-GUEST_STATUS-command.patch | 82 |
1 files changed, 0 insertions, 82 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71-e3000/0077-KVM-SVM-Add-support-for-SEV-GUEST_STATUS-command.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71-e3000/0077-KVM-SVM-Add-support-for-SEV-GUEST_STATUS-command.patch deleted file mode 100644 index 740567b2..00000000 --- a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71-e3000/0077-KVM-SVM-Add-support-for-SEV-GUEST_STATUS-command.patch +++ /dev/null @@ -1,82 +0,0 @@ -From 9211cc7af177176a5e4f9779098eef8e063152fa Mon Sep 17 00:00:00 2001 -From: Brijesh Singh <brijesh.singh@amd.com> -Date: Mon, 4 Dec 2017 10:57:37 -0600 -Subject: [PATCH 77/95] KVM: SVM: Add support for SEV GUEST_STATUS command -MIME-Version: 1.0 -Content-Type: text/plain; charset=UTF-8 -Content-Transfer-Encoding: 8bit - -The command is used for querying the SEV guest information. - -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 | 33 +++++++++++++++++++++++++++++++++ - 1 file changed, 33 insertions(+) - -diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c -index a597efc..f9eb8fa 100755 ---- a/arch/x86/kvm/svm.c -+++ b/arch/x86/kvm/svm.c -@@ -6239,6 +6239,36 @@ static int sev_launch_finish(struct kvm *kvm, struct kvm_sev_cmd *argp) - return ret; - } - -+static int sev_guest_status(struct kvm *kvm, struct kvm_sev_cmd *argp) -+{ -+ struct kvm_sev_info *sev = &kvm->arch.sev_info; -+ struct kvm_sev_guest_status params; -+ struct sev_data_guest_status *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_GUEST_STATUS, data, &argp->error); -+ if (ret) -+ goto e_free; -+ -+ params.policy = data->policy; -+ params.state = data->state; -+ params.handle = data->handle; -+ -+ if (copy_to_user((void __user *)(uintptr_t)argp->data, ¶ms, sizeof(params))) -+ ret = -EFAULT; -+e_free: -+ kfree(data); -+ return ret; -+} -+ - static int svm_mem_enc_op(struct kvm *kvm, void __user *argp) - { - struct kvm_sev_cmd sev_cmd; -@@ -6268,6 +6298,9 @@ static int svm_mem_enc_op(struct kvm *kvm, void __user *argp) - case KVM_SEV_LAUNCH_FINISH: - r = sev_launch_finish(kvm, &sev_cmd); - break; -+ case KVM_SEV_GUEST_STATUS: -+ r = sev_guest_status(kvm, &sev_cmd); -+ break; - default: - r = -EINVAL; - goto out; --- -2.7.4 - |