Introduce tests for sev and sev-es ioctl that exercises the boot path
of launch, update and finish on an invalid policy.
Signed-off-by: Pratik R. Sampat <pratikrajesh.sampat@xxxxxxx>
---
.../selftests/kvm/x86_64/sev_smoke_test.c | 57 +++++++++++++++++++
1 file changed, 57 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 1a50a280173c..500c67b3793b 100644
--- a/tools/testing/selftests/kvm/x86_64/sev_smoke_test.c
+++ b/tools/testing/selftests/kvm/x86_64/sev_smoke_test.c
@@ -131,12 +131,69 @@ static void test_sync_vmsa(uint32_t type, uint32_t policy)
kvm_vm_free(vm);
}
+static void sev_guest_status_assert(struct kvm_vm *vm, uint32_t type)
+{
+ struct kvm_sev_guest_status status;
+ bool cond;
+ int ret;
+
+ ret = __vm_sev_ioctl(vm, KVM_SEV_GUEST_STATUS, &status);
+ cond = type == KVM_X86_SEV_VM ? !ret : ret;
+ TEST_ASSERT(cond,
+ "KVM_SEV_GUEST_STATUS should fail, invalid VM Type.");
+}
+
+static void test_sev_launch(void *guest_code, uint32_t type, uint64_t policy)
+{
+ struct kvm_vcpu *vcpu;
+ struct kvm_vm *vm;
+ struct ucall uc;
+ bool cond;
+ int ret;
+
+ vm = vm_sev_create_with_one_vcpu(type, guest_code, &vcpu);
+ ret = sev_vm_launch_start(vm, 0);
+ cond = type == KVM_X86_SEV_VM ? !ret : ret;
+ TEST_ASSERT(cond,
+ "KVM_SEV_LAUNCH_START should fail, invalid policy.");
+
+ ret = sev_vm_launch_update(vm, policy);
+ cond = type == KVM_X86_SEV_VM ? !ret : ret;
+ TEST_ASSERT(cond,
+ "KVM_SEV_LAUNCH_UPDATE should fail, invalid policy.");
+ sev_guest_status_assert(vm, type);
+
+ ret = sev_vm_launch_measure(vm, alloca(256));
+ cond = type == KVM_X86_SEV_VM ? !ret : ret;
+ TEST_ASSERT(cond,
+ "KVM_SEV_LAUNCH_MEASURE should fail, invalid policy.");
+ sev_guest_status_assert(vm, type);
+
+ ret = sev_vm_launch_finish(vm);
+ cond = type == KVM_X86_SEV_VM ? !ret : ret;
+ TEST_ASSERT(cond,
+ "KVM_SEV_LAUNCH_FINISH should fail, invalid policy.");
+ sev_guest_status_assert(vm, type);
+
+ vcpu_run(vcpu);
+ get_ucall(vcpu, &uc);
+ cond = type == KVM_X86_SEV_VM ?
+ vcpu->run->exit_reason == KVM_EXIT_IO :
+ vcpu->run->exit_reason == KVM_EXIT_FAIL_ENTRY;
+ TEST_ASSERT(cond,
+ "vcpu_run should fail, invalid policy.");
+
+ kvm_vm_free(vm);
+}
+
static void test_sev(void *guest_code, uint32_t type, uint64_t policy)
{
struct kvm_vcpu *vcpu;
struct kvm_vm *vm;
struct ucall uc;
+ test_sev_launch(guest_code, type, policy);
+
vm = vm_sev_create_with_one_vcpu(type, guest_code, &vcpu);
/* TODO: Validate the measurement is as expected. */
--
2.34.1
