1 files changed, 10 insertions, 0 deletions
diff --git a/include/hw/pci/pci_bus.h b/include/hw/pci/pci_bus.h
index fabaeee86b..403fec6e58 100644
--- a/include/hw/pci/pci_bus.h
+++ b/include/hw/pci/pci_bus.h
@@ -8,6 +8,16 @@
  * use accessor functions in pci.h, pci_bridge.h
  */
 
+typedef struct PCIBusClass {
+    /*< private >*/
+    BusClass parent_class;
+    /*< public >*/
+
+    bool (*is_root)(PCIBus *bus);
+    int (*bus_num)(PCIBus *bus);
+    uint16_t (*numa_node)(PCIBus *bus);
+} PCIBusClass;
+
 struct PCIBus {
     BusState qbus;
     PCIIOMMUFunc iommu_fn;