1 files changed, 17 insertions, 2 deletions
diff --git a/hw/s390-virtio-bus.h b/hw/s390-virtio-bus.h
index d02a90709d..b5e59b7d4b 100644
--- a/hw/s390-virtio-bus.h
+++ b/hw/s390-virtio-bus.h
@@ -40,7 +40,22 @@
 #define VIRTIO_PARAM_CONFIG_CHANGED     0x1
 #define VIRTIO_PARAM_DEV_ADD            0x2
 
-typedef struct VirtIOS390Device {
+#define TYPE_VIRTIO_S390_DEVICE "virtio-s390-device"
+#define VIRTIO_S390_DEVICE(obj) \
+     OBJECT_CHECK(VirtIOS390Device, (obj), TYPE_VIRTIO_S390_DEVICE)
+#define VIRTIO_S390_DEVICE_CLASS(klass) \
+     OBJECT_CLASS_CHECK(VirtIOS390DeviceClass, (klass), TYPE_VIRTIO_S390_DEVICE)
+#define VIRTIO_S390_DEVICE_GET_CLASS(obj) \
+     OBJECT_GET_CLASS(VirtIOS390DeviceClass, (obj), TYPE_VIRTIO_S390_DEVICE)
+
+typedef struct VirtIOS390Device VirtIOS390Device;
+
+typedef struct VirtIOS390DeviceClass {
+    DeviceClass qdev;
+    int (*init)(VirtIOS390Device *dev);
+} VirtIOS390DeviceClass;
+
+struct VirtIOS390Device {
     DeviceState qdev;
     ram_addr_t dev_offs;
     ram_addr_t feat_offs;
@@ -52,7 +67,7 @@ typedef struct VirtIOS390Device {
     uint32_t host_features;
     virtio_serial_conf serial;
     virtio_net_conf net;
-} VirtIOS390Device;
+};
 
 typedef struct VirtIOS390Bus {
     BusState bus;