1 files changed, 36 insertions, 16 deletions

diff --git a/hw/display/virtio-gpu-pci.c b/hw/display/virtio-gpu-pci.c
index 87f61e857c..d03cadd236 100644
--- a/hw/display/virtio-gpu-pci.c
+++ b/hw/display/virtio-gpu-pci.c
@@ -19,30 +19,30 @@
 #include "hw/virtio/virtio-pci.h"
 #include "hw/virtio/virtio-gpu.h"
 
-typedef struct VirtIOGPUPCI VirtIOGPUPCI;
+typedef struct VirtIOGPUPCIBase VirtIOGPUPCIBase;
 
 /*
- * virtio-gpu-pci: This extends VirtioPCIProxy.
+ * virtio-gpu-pci-base: This extends VirtioPCIProxy.
  */
-#define TYPE_VIRTIO_GPU_PCI "virtio-gpu-pci"
-#define VIRTIO_GPU_PCI(obj) \
-        OBJECT_CHECK(VirtIOGPUPCI, (obj), TYPE_VIRTIO_GPU_PCI)
+#define TYPE_VIRTIO_GPU_PCI_BASE "virtio-gpu-pci-base"
+#define VIRTIO_GPU_PCI_BASE(obj) \
+        OBJECT_CHECK(VirtIOGPUPCIBase, (obj), TYPE_VIRTIO_GPU_PCI_BASE)
 
-struct VirtIOGPUPCI {
+struct VirtIOGPUPCIBase {
     VirtIOPCIProxy parent_obj;
-    VirtIOGPU vdev;
+    VirtIOGPUBase *vgpu;
 };
 
-static Property virtio_gpu_pci_properties[] = {
+static Property virtio_gpu_pci_base_properties[] = {
     DEFINE_VIRTIO_GPU_PCI_PROPERTIES(VirtIOPCIProxy),
     DEFINE_PROP_END_OF_LIST(),
 };
 
-static void virtio_gpu_pci_realize(VirtIOPCIProxy *vpci_dev, Error **errp)
+static void virtio_gpu_pci_base_realize(VirtIOPCIProxy *vpci_dev, Error **errp)
 {
-    VirtIOGPUPCI *vgpu = VIRTIO_GPU_PCI(vpci_dev);
-    VirtIOGPUBase *g = VIRTIO_GPU_BASE(&vgpu->vdev);
-    DeviceState *vdev = DEVICE(&vgpu->vdev);
+    VirtIOGPUPCIBase *vgpu = VIRTIO_GPU_PCI_BASE(vpci_dev);
+    VirtIOGPUBase *g = vgpu->vgpu;
+    DeviceState *vdev = DEVICE(g);
     int i;
     Error *local_error = NULL;
 
@@ -64,36 +64,56 @@ static void virtio_gpu_pci_realize(VirtIOPCIProxy *vpci_dev, Error **errp)
     }
 }
 
-static void virtio_gpu_pci_class_init(ObjectClass *klass, void *data)
+static void virtio_gpu_pci_base_class_init(ObjectClass *klass, void *data)
 {
     DeviceClass *dc = DEVICE_CLASS(klass);
     VirtioPCIClass *k = VIRTIO_PCI_CLASS(klass);
     PCIDeviceClass *pcidev_k = PCI_DEVICE_CLASS(klass);
 
     set_bit(DEVICE_CATEGORY_DISPLAY, dc->categories);
-    dc->props = virtio_gpu_pci_properties;
+    dc->props = virtio_gpu_pci_base_properties;
     dc->hotpluggable = false;
-    k->realize = virtio_gpu_pci_realize;
+    k->realize = virtio_gpu_pci_base_realize;
     pcidev_k->class_id = PCI_CLASS_DISPLAY_OTHER;
 }
 
+static const TypeInfo virtio_gpu_pci_base_info = {
+    .name = TYPE_VIRTIO_GPU_PCI_BASE,
+    .parent = TYPE_VIRTIO_PCI,
+    .instance_size = sizeof(VirtIOGPUPCIBase),
+    .class_init = virtio_gpu_pci_base_class_init,
+    .abstract = true
+};
+
+#define TYPE_VIRTIO_GPU_PCI "virtio-gpu-pci"
+#define VIRTIO_GPU_PCI(obj)                                 \
+    OBJECT_CHECK(VirtIOGPUPCI, (obj), TYPE_VIRTIO_GPU_PCI)
+
+typedef struct VirtIOGPUPCI {
+    VirtIOGPUPCIBase parent_obj;
+    VirtIOGPU vdev;
+} VirtIOGPUPCI;
+
 static void virtio_gpu_initfn(Object *obj)
 {
     VirtIOGPUPCI *dev = VIRTIO_GPU_PCI(obj);
 
     virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev),
                                 TYPE_VIRTIO_GPU);
+    VIRTIO_GPU_PCI_BASE(obj)->vgpu = VIRTIO_GPU_BASE(&dev->vdev);
 }
 
 static const VirtioPCIDeviceTypeInfo virtio_gpu_pci_info = {
     .generic_name = TYPE_VIRTIO_GPU_PCI,
+    .parent = TYPE_VIRTIO_GPU_PCI_BASE,
     .instance_size = sizeof(VirtIOGPUPCI),
     .instance_init = virtio_gpu_initfn,
-    .class_init = virtio_gpu_pci_class_init,
 };
 
 static void virtio_gpu_pci_register_types(void)
 {
+    type_register_static(&virtio_gpu_pci_base_info);
     virtio_pci_types_register(&virtio_gpu_pci_info);
 }
+
 type_init(virtio_gpu_pci_register_types)