vfio/container: Introduce an instance_init() handler

This allows us to move the initialization code from vfio_container_init(),
which we will soon remove.

Reviewed-by: Zhenzhong Duan <zhenzhong.duan@intel.com>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Tested-by: Eric Auger <eric.auger@redhat.com>
Signed-off-by: Cédric Le Goater <clg@redhat.com>

diff --git a/hw/vfio/container-base.c b/hw/vfio/container-base.c
index 98c15e174dd78df5146ee83c05c98f3ea9c1e52c..3858f5ab1d68e897f9013161d7c5c20c0553029d 100644 (file)
--- a/hw/vfio/container-base.c
+++ b/hw/vfio/container-base.c
@@ -75,12 +75,6 @@ void vfio_container_init(VFIOContainerBase *bcontainer,
                          const VFIOIOMMUClass *ops)
 {
     bcontainer->ops = ops;
-    bcontainer->error = NULL;
-    bcontainer->dirty_pages_supported = false;
-    bcontainer->dma_max_mappings = 0;
-    bcontainer->iova_ranges = NULL;
-    QLIST_INIT(&bcontainer->giommu_list);
-    QLIST_INIT(&bcontainer->vrdl_list);
 }
 
 void vfio_container_destroy(VFIOContainerBase *bcontainer)
@@ -99,10 +93,23 @@ void vfio_container_destroy(VFIOContainerBase *bcontainer)
     g_list_free_full(bcontainer->iova_ranges, g_free);
 }
 
+static void vfio_container_instance_init(Object *obj)
+{
+    VFIOContainerBase *bcontainer = VFIO_IOMMU(obj);
+
+    bcontainer->error = NULL;
+    bcontainer->dirty_pages_supported = false;
+    bcontainer->dma_max_mappings = 0;
+    bcontainer->iova_ranges = NULL;
+    QLIST_INIT(&bcontainer->giommu_list);
+    QLIST_INIT(&bcontainer->vrdl_list);
+}
+
 static const TypeInfo types[] = {
     {
         .name = TYPE_VFIO_IOMMU,
         .parent = TYPE_OBJECT,
+        .instance_init = vfio_container_instance_init,
         .instance_size = sizeof(VFIOContainerBase),
         .class_size = sizeof(VFIOIOMMUClass),
         .abstract = true,