1 files changed, 9 insertions, 2 deletions
diff --git a/exec.c b/exec.c
index 1fa2cdb874..ecdf192994 100644
--- a/exec.c
+++ b/exec.c
@@ -501,8 +501,15 @@ static MemoryRegionSection address_space_translate_iommu(IOMMUMemoryRegion *iomm
     do {
         hwaddr addr = *xlat;
         IOMMUMemoryRegionClass *imrc = memory_region_get_iommu_class_nocheck(iommu_mr);
-        IOMMUTLBEntry iotlb = imrc->translate(iommu_mr, addr, is_write ?
-                                              IOMMU_WO : IOMMU_RO);
+        int iommu_idx = 0;
+        IOMMUTLBEntry iotlb;
+
+        if (imrc->attrs_to_index) {
+            iommu_idx = imrc->attrs_to_index(iommu_mr, attrs);
+        }
+
+        iotlb = imrc->translate(iommu_mr, addr, is_write ?
+                                IOMMU_WO : IOMMU_RO, iommu_idx);
 
         if (!(iotlb.perm & (1 << is_write))) {
             goto unassigned;