def test_at_iface_and_memory(dev_type):
"""
hotplug an interface and memory devices
1) Start vm and check the default locked memory
2) Hotplug an interface and check the locked memory
3) Hotplug 2 memory devices and check the locked memory
4) Hot-unplug a memory device and check the locked memory
:param dev_type: interface type
"""
vm.start()
vm.wait_for_serial_login(timeout=240).close()
expr_memlock = 67108864
if not check_soft_memlock(expr_memlock):
test.fail("Unalbe to get correct default!")
interface_base.attach_iface_device(vm_name, dev_type, params)
new_vmxml = vm_xml.VMXML.new_from_dumpxml(vm_name)
# MEMLOCK value is guest memory + 1G(for the passthrough device)
expr_memlock = normalize_mem_size(
new_vmxml.get_current_mem(),
new_vmxml.get_current_mem_unit()) + 1073741824
if not check_soft_memlock(expr_memlock):
test.fail("Unalbe to get correct MEMLOCK after VM startup!")
logging.info("Hotplug memory devices.")
for mem_attrs in ['mem_dict1', 'mem_dict2']:
mem_dict = eval(params.get(mem_attrs, '{}'))
memxml = Memory()
memxml.setup_attrs(**mem_dict)
virsh.attach_device(vm_name, memxml.xml, **VIRSH_ARGS)
expr_memlock += normalize_mem_size(
mem_dict['target']['size'], mem_dict['target']['size_unit'])
if not check_soft_memlock(expr_memlock):
test.fail("Unalbe to get correct MEMLOCK after attaching a "
"memory device!")
logging.info("Detach a memory device and check memlock.")
memxml = vm_xml.VMXML.new_from_dumpxml(vm_name).get_devices('memory')[-1]
cmd_result = virsh.detach_device(vm_name, memxml.xml,
wait_for_event=True,
debug=True)
if cmd_result.exit_status:
libvirt.check_result(cmd_result, 'unplug of device was rejected')
if not check_soft_memlock(expr_memlock):
test.fail("Detaching mem failed, MEMLOCK should not change!")
else:
if not check_soft_memlock(expr_memlock):
test.fail("Unalbe to get correct MEMLOCK after detaching a "
"memory device!")
def test_vdpa():
"""
Hotplug/unplug vDPA type interface
1) Start the vm, hotplug the interface
2) Login to the vm and check the network function
3) Hot-unplug the interface
"""
vm.start()
vm_session = vm.wait_for_serial_login(timeout=240)
br_name = None
if test_target == "mellanox":
br_name = test_obj.br_name
for _i in range(eval(params.get('repeat_times', '1'))):
interface_base.attach_iface_device(vm_name, dev_type, params)
vdpa_base.check_vdpa_conn(vm_session, test_target, br_name)
interface_base.detach_iface_device(vm_name, dev_type)