1 files changed, 26 insertions, 9 deletions

diff --git a/hw/spapr_vio.h b/hw/spapr_vio.h
index 0984d559db..7d1155a060 100644
--- a/hw/spapr_vio.h
+++ b/hw/spapr_vio.h
@@ -34,6 +34,14 @@ enum VIOsPAPR_TCEAccess {
 
 #define SPAPR_VTY_BASE_ADDRESS     0x30000000
 
+#define TYPE_VIO_SPAPR_DEVICE "vio-spapr-device"
+#define VIO_SPAPR_DEVICE(obj) \
+     OBJECT_CHECK(VIOsPAPRDevice, (obj), TYPE_VIO_SPAPR_DEVICE)
+#define VIO_SPAPR_DEVICE_CLASS(klass) \
+     OBJECT_CLASS_CHECK(VIOsPAPRDeviceClass, (klass), TYPE_VIO_SPAPR_DEVICE)
+#define VIO_SPAPR_DEVICE_GET_CLASS(obj) \
+     OBJECT_GET_CLASS(VIOsPAPRDeviceClass, (obj), TYPE_VIO_SPAPR_DEVICE)
+
 struct VIOsPAPRDevice;
 
 typedef struct VIOsPAPR_RTCE {
@@ -47,7 +55,20 @@ typedef struct VIOsPAPR_CRQ {
     int(*SendFunc)(struct VIOsPAPRDevice *vdev, uint8_t *crq);
 } VIOsPAPR_CRQ;
 
-typedef struct VIOsPAPRDevice {
+typedef struct VIOsPAPRDevice VIOsPAPRDevice;
+typedef struct VIOsPAPRBus VIOsPAPRBus;
+
+typedef struct VIOsPAPRDeviceClass {
+    DeviceClass parent_class;
+
+    const char *dt_name, *dt_type, *dt_compatible;
+    target_ulong signal_mask;
+    int (*init)(VIOsPAPRDevice *dev);
+    void (*hcalls)(VIOsPAPRBus *bus);
+    int (*devnode)(VIOsPAPRDevice *dev, void *fdt, int node_off);
+} VIOsPAPRDeviceClass;
+
+struct VIOsPAPRDevice {
     DeviceState qdev;
     uint32_t reg;
     uint32_t flags;
@@ -59,28 +80,24 @@ typedef struct VIOsPAPRDevice {
     VIOsPAPR_RTCE *rtce_table;
     int kvmtce_fd;
     VIOsPAPR_CRQ crq;
-} VIOsPAPRDevice;
+};
 
 #define DEFINE_SPAPR_PROPERTIES(type, field, default_reg, default_dma_window) \
         DEFINE_PROP_UINT32("reg", type, field.reg, default_reg), \
         DEFINE_PROP_UINT32("dma-window", type, field.rtce_window_size, \
                            default_dma_window)
 
-typedef struct VIOsPAPRBus {
+struct VIOsPAPRBus {
     BusState bus;
-} VIOsPAPRBus;
-
-typedef struct {
-    DeviceInfo qdev;
     const char *dt_name, *dt_type, *dt_compatible;
     target_ulong signal_mask;
     int (*init)(VIOsPAPRDevice *dev);
     int (*devnode)(VIOsPAPRDevice *dev, void *fdt, int node_off);
-} VIOsPAPRDeviceInfo;
+};
 
 extern VIOsPAPRBus *spapr_vio_bus_init(void);
 extern VIOsPAPRDevice *spapr_vio_find_by_reg(VIOsPAPRBus *bus, uint32_t reg);
-extern void spapr_vio_bus_register_withprop(VIOsPAPRDeviceInfo *info);
+extern void spapr_vio_bus_register_withprop(DeviceInfo *info);
 extern int spapr_populate_vdevice(VIOsPAPRBus *bus, void *fdt);
 extern int spapr_populate_chosen_stdout(void *fdt, VIOsPAPRBus *bus);