From: Ján Tomko <jtomko@redhat.com>

Signed-off-by: Ján Tomko <jtomko@redhat.com>
---
 src/conf/domain_validate.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/src/conf/domain_validate.c b/src/conf/domain_validate.c
index a7e982bec1..9659b8900a 100644
--- a/src/conf/domain_validate.c
+++ b/src/conf/domain_validate.c
@@ -3093,6 +3093,15 @@ virDomainIOMMUDefValidate(const virDomainIOMMUDef *iommu)
         break;
 
     case VIR_DOMAIN_IOMMU_MODEL_INTEL:
+        if (iommu->pt != VIR_TRISTATE_SWITCH_ABSENT ||
+            iommu->xtsup != VIR_TRISTATE_SWITCH_ABSENT) {
+            virReportError(VIR_ERR_XML_ERROR,
+                           _("iommu model '%1$s' doesn't support some additional attributes"),
+                           virDomainIOMMUModelTypeToString(iommu->model));
+            return -1;
+        }
+        break;
+
     case VIR_DOMAIN_IOMMU_MODEL_LAST:
         break;
     }
-- 
2.49.0