pci-hotplug: make them aware of pci domain.

add helper function which converts root bus to pci domain.
make them aware of pci domain.

Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/hw/pci.h b/hw/pci.h
index b803593..3a15bd4 100644
--- a/hw/pci.h
+++ b/hw/pci.h
@@ -218,6 +218,7 @@ PCIDevice *pci_nic_init_nofail(NICInfo *nd, const char *default_model,
 int pci_bus_num(PCIBus *s);
 void pci_for_each_device(PCIBus *bus, int bus_num, void (*fn)(PCIBus *bus, PCIDevice *d));
 PCIBus *pci_find_root_bus(int domain);
+int pci_find_domain(const PCIBus *bus);
 PCIBus *pci_find_bus(PCIBus *bus, int bus_num);
 PCIDevice *pci_find_device(PCIBus *bus, int bus_num, int slot, int function);
 PCIBus *pci_get_bus_devfn(int *devfnp, const char *devaddr);