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Date:   Tue, 21 Sep 2021 08:03:43 -0700
Message-Id: <20210921150345.2221634-1-pgonda@google.com>
Mime-Version: 1.0
Subject: [PATCH 0/2] KVM: SEV: Allow for mirroring of SEV-ES VMs
From:   Peter Gonda <pgonda@google.com>
To:     kvm@vger.kernel.org
Cc:     Peter Gonda <pgonda@google.com>, Marc Orr <marcorr@google.com>,
        Nathan Tempelman <natet@google.com>,
        Paolo Bonzini <pbonzini@redhat.com>,
        Sean Christopherson <seanjc@google.com>,
        Steve Rutherford <srutherford@google.com>,
        Brijesh Singh <brijesh.singh@amd.com>,
        linux-kernel@vger.kernel.org
Content-Type: text/plain; charset="UTF-8"
Precedence: bulk

To mirror SEV-ES VMs the mirror VM needs to call LAUNCH_UPDATE_VMSA
before the original VM runs LAUNCH_FINISH. This allows the mirror's
vCPUs to be encrypted into the SEV-ES guests context and measured into
the launch digest.

Peter Gonda (2):
  KVM: SEV: Update svm_vm_copy_asid_from for SEV-ES
  KVM: SEV: Allow launch vmsa from mirror VM

 arch/x86/kvm/svm/sev.c | 35 +++++++++++++++++++++++++++++------
 1 file changed, 29 insertions(+), 6 deletions(-)

Cc: Marc Orr <marcorr@google.com>
Cc: Nathan Tempelman <natet@google.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Sean Christopherson <seanjc@google.com>
Cc: Steve Rutherford <srutherford@google.com>
Cc: Brijesh Singh <brijesh.singh@amd.com>
Cc: kvm@vger.kernel.org
Cc: linux-kernel@vger.kernel.org

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