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-rw-r--r--hw/i386/intel_iommu.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/hw/i386/intel_iommu.c b/hw/i386/intel_iommu.c
index 2fc3866433..4c0d1d7d47 100644
--- a/hw/i386/intel_iommu.c
+++ b/hw/i386/intel_iommu.c
@@ -2692,6 +2692,14 @@ static bool vtd_process_iotlb_desc(IntelIOMMUState *s, VTDInvDesc *inv_desc)
 static bool vtd_process_inv_iec_desc(IntelIOMMUState *s,
                                      VTDInvDesc *inv_desc)
 {
+    uint64_t mask[4] = {VTD_INV_DESC_IEC_RSVD, VTD_INV_DESC_ALL_ONE,
+                        VTD_INV_DESC_ALL_ONE, VTD_INV_DESC_ALL_ONE};
+
+    if (!vtd_inv_desc_reserved_check(s, inv_desc, mask, false,
+                                     __func__, "iec inv")) {
+        return false;
+    }
+
     trace_vtd_inv_desc_iec(inv_desc->iec.granularity,
                            inv_desc->iec.index,
                            inv_desc->iec.index_mask);