[Xen-devel] [XTF PATCH 13/16] vvmx: test vmxon in VMX root w/ CPL = 0 and w/o current VMCS

[Haozhong Zhang <haozhong.zhang@xxxxxxxxx>]

VMfailInvalid is expected in this test.

Signed-off-by: Haozhong Zhang <haozhong.zhang@xxxxxxxxx>
---
 tests/vvmx/vmxon.c | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/tests/vvmx/vmxon.c b/tests/vvmx/vmxon.c
index a41f101..0664a48 100644
--- a/tests/vvmx/vmxon.c
+++ b/tests/vvmx/vmxon.c
@@ -149,6 +149,22 @@ static bool test_vmxon_correct(void)
     return handle_vmxinsn_err(__func__, ret, fault, VMXERR_NOERR, 0, 0);
 }
 
+/**
+ * vmxon in VMX root w/ CPL = 0 and w/o current VMCS
+ *
+ * Expect: VMfailInvalid
+ */
+static bool test_vmxon_in_root_cpl0_novmcs(void)
+{
+    clear_vmcs(vmxon_region_2nd, get_vmcs_revid());
+
+    exinfo_t fault;
+    uint8_t ret = vmxon((uint64_t)vmxon_region_2nd, &fault);
+
+    return handle_vmxinsn_err(__func__, ret, fault,
+                              VMXERR_VMFAIL_INVALID, 0, 0);
+}
+
 bool test_vmxon(void)
 {
     if ( !test_vmxon_novmxe() )
@@ -175,6 +191,9 @@ bool test_vmxon(void)
     if ( !test_vmxon_correct() )
         return false;
 
+    if ( !test_vmxon_in_root_cpl0_novmcs() )
+        return false;
+
     return true;
 }
 
-- 
2.10.1


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