* Lookup an end-point virtual device in the VM.
*/
protected static VirtualDevice
findVirtualDevice(VirtualDevice[] devices, DeviceId id) {
AuAssert.check(id.unitNum != null);
VirtualDevice controller = findVirtualController(devices, id);
if (controller == null) {
return null;
}
Integer key = controller.getKey();
for (VirtualDevice device : devices) {
if (key.equals(device.getControllerKey()) &&
id.unitNum.equals(device.getUnitNumber())) {
return device;
}