4 files changed, 8 insertions, 1 deletions
diff --git a/hw/vfio/container-base.c b/hw/vfio/container-base.c
index 280f0dd..98c15e1 100644
--- a/hw/vfio/container-base.c
+++ b/hw/vfio/container-base.c
@@ -102,8 +102,10 @@ void vfio_container_destroy(VFIOContainerBase *bcontainer)
 static const TypeInfo types[] = {
     {
         .name = TYPE_VFIO_IOMMU,
-        .parent = TYPE_INTERFACE,
+        .parent = TYPE_OBJECT,
+        .instance_size = sizeof(VFIOContainerBase),
         .class_size = sizeof(VFIOIOMMUClass),
+        .abstract = true,
     },
 };
 
diff --git a/hw/vfio/container.c b/hw/vfio/container.c
index 31bdc46..3ae5253 100644
--- a/hw/vfio/container.c
+++ b/hw/vfio/container.c
@@ -1196,6 +1196,7 @@ static const TypeInfo types[] = {
     {
         .name = TYPE_VFIO_IOMMU_LEGACY,
         .parent = TYPE_VFIO_IOMMU,
+        .instance_size = sizeof(VFIOContainer),
         .class_init = vfio_iommu_legacy_class_init,
     }, {
         .name = TYPE_HOST_IOMMU_DEVICE_LEGACY_VFIO,
diff --git a/hw/vfio/iommufd.c b/hw/vfio/iommufd.c
index e5d9334..3e9d642 100644
--- a/hw/vfio/iommufd.c
+++ b/hw/vfio/iommufd.c
@@ -672,6 +672,7 @@ static const TypeInfo types[] = {
     {
         .name = TYPE_VFIO_IOMMU_IOMMUFD,
         .parent = TYPE_VFIO_IOMMU,
+        .instance_size = sizeof(VFIOIOMMUFDContainer),
         .class_init = vfio_iommu_iommufd_class_init,
     }, {
         .name = TYPE_HOST_IOMMU_DEVICE_IOMMUFD_VFIO,
diff --git a/hw/vfio/spapr.c b/hw/vfio/spapr.c
index 47b040f..018bd20 100644
--- a/hw/vfio/spapr.c
+++ b/hw/vfio/spapr.c
@@ -30,6 +30,8 @@ typedef struct VFIOSpaprContainer {
     QLIST_HEAD(, VFIOHostDMAWindow) hostwin_list;
 } VFIOSpaprContainer;
 
+OBJECT_DECLARE_SIMPLE_TYPE(VFIOSpaprContainer, VFIO_IOMMU_SPAPR);
+
 static bool vfio_prereg_listener_skipped_section(MemoryRegionSection *section)
 {
     if (memory_region_is_iommu(section->mr)) {
@@ -548,6 +550,7 @@ static const TypeInfo types[] = {
     {
         .name = TYPE_VFIO_IOMMU_SPAPR,
         .parent = TYPE_VFIO_IOMMU_LEGACY,
+        .instance_size = sizeof(VFIOSpaprContainer),
         .class_init = vfio_iommu_spapr_class_init,
     },
 };