def add_downstream_port(self, addr):
"""
Add downstream port of the certain address
"""
if addr not in self.__downstream_ports:
bus_id = "%s.%s" % (self.busid, int(addr, 16))
bus = QPCIBus(bus_id, 'PCIE', bus_id)
self.__downstream_ports[addr] = bus
downstream = qdevices.QDevice(self.__downstream_type,
{'id': bus_id,
'bus': self.busid,
'addr': addr},
aobject=self.aobject,
parent_bus={'busid': '_PCI_CHASSIS'},
child_bus=bus)
return downstream
def _add_root_port(self, addr, root_port_type, multifunction="off"):
"""
Generate pcie-root-port QDevice object with certain addr and id
:param addr: addr to add the root port
:param root_port_type: root port type
:param multifunction: if multifunction on or off
:return: pcie-root-port QDevice object
"""
_addr = int(addr, 16)
bus_id = "%s-root-port-%s" % (self.busid, _addr)
length = 1 if multifunction == "off" else 8
bus = QPCIBus(bus_id, 'PCIE', bus_id, length=length)
params = {'id': bus_id}
return qdevices.QDevice(root_port_type,
params,
aobject=bus_id,
parent_bus=[{
'aobject': self.aobject
}],
child_bus=bus)