[PATCH 5/6] KVM: selftests: test enlightened vmenter with wrong eVMCS version
From: Vitaly Kuznetsov
Date: Mon Mar 09 2020 - 11:52:39 EST
Check that VMfailInvalid happens when eVMCS revision is is invalid.
Signed-off-by: Vitaly Kuznetsov <vkuznets@xxxxxxxxxx>
---
tools/testing/selftests/kvm/x86_64/evmcs_test.c | 13 +++++++++----
1 file changed, 9 insertions(+), 4 deletions(-)
diff --git a/tools/testing/selftests/kvm/x86_64/evmcs_test.c b/tools/testing/selftests/kvm/x86_64/evmcs_test.c
index 92915e6408e7..10e9c158dc96 100644
--- a/tools/testing/selftests/kvm/x86_64/evmcs_test.c
+++ b/tools/testing/selftests/kvm/x86_64/evmcs_test.c
@@ -21,10 +21,10 @@
void l2_guest_code(void)
{
- GUEST_SYNC(6);
-
GUEST_SYNC(7);
+ GUEST_SYNC(8);
+
/* Done, exit to L1 and never come back. */
vmcall();
}
@@ -50,12 +50,17 @@ void l1_guest_code(struct vmx_pages *vmx_pages)
GUEST_SYNC(5);
GUEST_ASSERT(vmptrstz() == vmx_pages->enlightened_vmcs_gpa);
+ current_evmcs->revision_id = -1u;
+ GUEST_ASSERT(vmlaunch());
+ current_evmcs->revision_id = EVMCS_VERSION;
+ GUEST_SYNC(6);
+
GUEST_ASSERT(!vmlaunch());
GUEST_ASSERT(vmptrstz() == vmx_pages->enlightened_vmcs_gpa);
- GUEST_SYNC(8);
+ GUEST_SYNC(9);
GUEST_ASSERT(!vmresume());
GUEST_ASSERT(vmreadz(VM_EXIT_REASON) == EXIT_REASON_VMCALL);
- GUEST_SYNC(9);
+ GUEST_SYNC(10);
}
void guest_code(struct vmx_pages *vmx_pages)
--
2.24.1