diff --git a/hw/pci.c b/hw/pci.c
index 8621d3d2b..c2c269936 100644
--- a/hw/pci.c
+++ b/hw/pci.c
@@ -952,6 +952,11 @@ void pci_register_bar_region(PCIDevice *pci_dev, int region_num,
     pci_dev->io_regions[region_num].memory = memory;
 }
 
+pcibus_t pci_get_bar_addr(PCIDevice *pci_dev, int region_num)
+{
+    return pci_dev->io_regions[region_num].addr;
+}
+
 static void pci_bridge_filter(PCIDevice *d, pcibus_t *addr, pcibus_t *size,
                               uint8_t type)
 {
diff --git a/hw/pci.h b/hw/pci.h
index c51156d21..64282ad18 100644
--- a/hw/pci.h
+++ b/hw/pci.h
@@ -207,6 +207,7 @@ void pci_register_bar_simple(PCIDevice *pci_dev, int region_num,
                              pcibus_t size, uint8_t attr, ram_addr_t ram_addr);
 void pci_register_bar_region(PCIDevice *pci_dev, int region_num,
                              uint8_t attr, MemoryRegion *memory);
+pcibus_t pci_get_bar_addr(PCIDevice *pci_dev, int region_num);
 
 int pci_add_capability(PCIDevice *pdev, uint8_t cap_id,
                        uint8_t offset, uint8_t size);