pci: Create pci_bus_is_express helper
For testing the bus type.
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
diff --git a/hw/pci/pci.c b/hw/pci/pci.c
index 7c5f2e2..7f28101 100644
--- a/hw/pci/pci.c
+++ b/hw/pci/pci.c
@@ -297,6 +297,11 @@
vmstate_register(NULL, -1, &vmstate_pcibus, bus);
}
+bool pci_bus_is_express(PCIBus *bus)
+{
+ return object_dynamic_cast(OBJECT(bus), TYPE_PCIE_BUS);
+}
+
void pci_bus_new_inplace(PCIBus *bus, DeviceState *parent,
const char *name,
MemoryRegion *address_space_mem,
diff --git a/hw/pci/pci.h b/hw/pci/pci.h
index 10aeaf0..d715e6f 100644
--- a/hw/pci/pci.h
+++ b/hw/pci/pci.h
@@ -344,6 +344,7 @@
#define PCI_BUS(obj) OBJECT_CHECK(PCIBus, (obj), TYPE_PCI_BUS)
#define TYPE_PCIE_BUS "PCIE"
+bool pci_bus_is_express(PCIBus *bus);
void pci_bus_new_inplace(PCIBus *bus, DeviceState *parent,
const char *name,
MemoryRegion *address_space_mem,
