selftests: KVM: sev_migrate_tests: Fix test_sev_mirror()

Mirrors should not be able to call LAUNCH_START. Remove the call on the
mirror to correct the test before fixing sev_ioctl() to correctly assert
on this failed ioctl.

Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Sean Christopherson <seanjc@google.com>
Cc: Marc Orr <marcorr@google.com>
Signed-off-by: Peter Gonda <pgonda@google.com>
Message-Id: <20211208191642.3792819-2-pgonda@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

diff --git a/tools/testing/selftests/kvm/x86_64/sev_migrate_tests.c b/tools/testing/selftests/kvm/x86_64/sev_migrate_tests.c
index 29b18d5..fbc742b 100644 (file)
--- a/tools/testing/selftests/kvm/x86_64/sev_migrate_tests.c
+++ b/tools/testing/selftests/kvm/x86_64/sev_migrate_tests.c
@@ -228,9 +228,6 @@ static void sev_mirror_create(int dst_fd, int src_fd)
 static void test_sev_mirror(bool es)
 {
        struct kvm_vm *src_vm, *dst_vm;
-       struct kvm_sev_launch_start start = {
-               .policy = es ? SEV_POLICY_ES : 0
-       };
        int i;
 
        src_vm = sev_vm_create(es);
@@ -241,7 +238,7 @@ static void test_sev_mirror(bool es)
        /* Check that we can complete creation of the mirror VM.  */
        for (i = 0; i < NR_MIGRATE_TEST_VCPUS; ++i)
                vm_vcpu_add(dst_vm, i);
-       sev_ioctl(dst_vm->fd, KVM_SEV_LAUNCH_START, &start);
+
        if (es)
                sev_ioctl(dst_vm->fd, KVM_SEV_LAUNCH_UPDATE_VMSA, NULL);