1 files changed, 8 insertions, 0 deletions
diff --git a/include/hw/pci/pci_bus.h b/include/hw/pci/pci_bus.h
index fabaeee..b5ba9c4 100644
--- a/include/hw/pci/pci_bus.h
+++ b/include/hw/pci/pci_bus.h
@@ -8,6 +8,14 @@
  * use accessor functions in pci.h, pci_bridge.h
  */
 
+typedef struct PCIBusClass {
+    /*< private >*/
+    BusClass parent_class;
+    /*< public >*/
+
+    bool (*is_root)(PCIBus *bus);
+} PCIBusClass;
+
 struct PCIBus {
     BusState qbus;
     PCIIOMMUFunc iommu_fn;