Regression test for ae20eef5 ("KVM: SVM: Update SEV-ES shutdown intercepts
with more metadata"). Test confirms userspace is correctly indicated of
a guest shutdown not previous behavior of an EINVAL from KVM_RUN.
Cc: Paolo Bonzini <pbonzini@xxxxxxxxxx>
Cc: Sean Christopherson <seanjc@xxxxxxxxxx>
Cc: Alper Gun <alpergun@xxxxxxxxxx>
Cc: Tom Lendacky <thomas.lendacky@xxxxxxx>
Cc: Michael Roth <michael.roth@xxxxxxx>
Cc: kvm@xxxxxxxxxxxxxxx
Cc: linux-kselftest@xxxxxxxxxxxxxxx
Signed-off-by: Peter Gonda <pgonda@xxxxxxxxxx>
---
.../selftests/kvm/x86_64/sev_smoke_test.c | 26 +++++++++++++++++++
1 file changed, 26 insertions(+)
diff --git a/tools/testing/selftests/kvm/x86_64/sev_smoke_test.c b/tools/testing/selftests/kvm/x86_64/sev_smoke_test.c
index 7c70c0da4fb74..04f24d5f09877 100644
--- a/tools/testing/selftests/kvm/x86_64/sev_smoke_test.c
+++ b/tools/testing/selftests/kvm/x86_64/sev_smoke_test.c
@@ -160,6 +160,30 @@ static void test_sev(void *guest_code, uint64_t policy)
kvm_vm_free(vm);
}
+static void guest_shutdown_code(void)
+{
+ __asm__ __volatile__("ud2");
+}
+
+static void test_sev_es_shutdown(void)
+{
+ struct kvm_vcpu *vcpu;
+ struct kvm_vm *vm;
+
+ uint32_t type = KVM_X86_SEV_ES_VM;
+
+ vm = vm_sev_create_with_one_vcpu(type, guest_shutdown_code, &vcpu);
+
+ vm_sev_launch(vm, SEV_POLICY_ES, NULL);
+
+ vcpu_run(vcpu);
+ TEST_ASSERT(vcpu->run->exit_reason == KVM_EXIT_SHUTDOWN,
+ "Wanted SHUTDOWN, got %s",
+ exit_reason_str(vcpu->run->exit_reason));
+
+ kvm_vm_free(vm);
+}
+
int main(int argc, char *argv[])
{
TEST_REQUIRE(kvm_cpu_has(X86_FEATURE_SEV));
@@ -171,6 +195,8 @@ int main(int argc, char *argv[])
test_sev(guest_sev_es_code, SEV_POLICY_ES | SEV_POLICY_NO_DBG);
test_sev(guest_sev_es_code, SEV_POLICY_ES);
+ test_sev_es_shutdown();
+
if (kvm_has_cap(KVM_CAP_XCRS) &&
(xgetbv(0) & XFEATURE_MASK_X87_AVX) == XFEATURE_MASK_X87_AVX) {
test_sync_vmsa(0);
--
2.45.2.803.g4e1b14247a-goog
