From 8c0bf9e24242c89c1abbd708c714dd2a89febbd2 Mon Sep 17 00:00:00 2001
From: Alex Williamson <alex.williamson@redhat.com>
Date: Thu, 14 Mar 2013 16:01:23 -0600
Subject: 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>
---
 hw/pci/pci.c | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'hw/pci/pci.c')

diff --git a/hw/pci/pci.c b/hw/pci/pci.c
index 7c5f2e283d..7f28101cb4 100644
--- a/hw/pci/pci.c
+++ b/hw/pci/pci.c
@@ -297,6 +297,11 @@ static void pci_bus_init(PCIBus *bus, DeviceState *parent,
     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,
-- 
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