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-rw-r--r--hw/pci.c20
1 files changed, 20 insertions, 0 deletions
diff --git a/hw/pci.c b/hw/pci.c
index 0e57d2190b..d0e16fe44f 100644
--- a/hw/pci.c
+++ b/hw/pci.c
@@ -711,6 +711,26 @@ static void pci_bridge_write_config(PCIDevice *d,
pci_default_write_config(d, address, val, len);
}
+PCIBus *pci_find_bus(int bus_num)
+{
+ PCIBus *bus = first_bus;
+
+ while (bus && bus->bus_num != bus_num)
+ bus = bus->next;
+
+ return bus;
+}
+
+PCIDevice *pci_find_device(int bus_num, int slot, int function)
+{
+ PCIBus *bus = pci_find_bus(bus_num);
+
+ if (!bus)
+ return NULL;
+
+ return bus->devices[PCI_DEVFN(slot, function)];
+}
+
PCIBus *pci_bridge_init(PCIBus *bus, int devfn, uint16_t vid, uint16_t did,
pci_map_irq_fn map_irq, const char *name)
{