pcie_host: expose UNMAPPED macro

Make it possible to test unmapped status through QMP.
Reviewed-by: NGerd Hoffmann <kraxel@redhat.com>
Tested-by: NGerd Hoffmann <kraxel@redhat.com>
Reviewed-by: NIgor Mammedov <imammedo@redhat.com>
Tested-by: NIgor Mammedov <imammedo@redhat.com>
Signed-off-by: NMichael S. Tsirkin <mst@redhat.com>

hw/pci/pcie_host.c

@@ -104,9 +104,6 @@ static const MemoryRegionOps pcie_mmcfg_ops = {
     .endianness = DEVICE_NATIVE_ENDIAN,
 };
 
-/* pcie_host::base_addr == PCIE_BASE_ADDR_UNMAPPED when it isn't mapped. */
-#define PCIE_BASE_ADDR_UNMAPPED  ((hwaddr)-1ULL)
-
 int pcie_host_init(PCIExpressHost *e)
 {
     e->base_addr = PCIE_BASE_ADDR_UNMAPPED;

include/hw/pci/pcie_host.h

@@ -28,6 +28,9 @@
 #define PCIE_HOST_BRIDGE(obj) \
     OBJECT_CHECK(PCIExpressHost, (obj), TYPE_PCIE_HOST_BRIDGE)
 
+/* pcie_host::base_addr == PCIE_BASE_ADDR_UNMAPPED when it isn't mapped. */
+#define PCIE_BASE_ADDR_UNMAPPED  ((hwaddr)-1ULL)
+
 struct PCIExpressHost {
     PCIHostState pci;