def append_mediated_device(devices, log, mdev_type, vm_id):
mdev_uuid = get_mdev_uuid(vm_id)
old_device_id = None
for dev in devices[hwclass.HOSTDEV]:
# REQUIRED_FOR: Engine < 4.2
# Legacy Engine tracks the mdev device once it is created and sends it
# in device parameters on the next VM run. However the sent device is
# incomplete and inaccurate (and we must handle devices created by
# former vfio-mdev hook) and the easiest way to deal with that is to
# replace it. We must be careful not to change the device id,
# otherwise Engine would track it as an additional device together with
# the original device.
if getattr(dev, 'address', {}).get('uuid') == mdev_uuid:
old_device_id = dev.deviceId
devices[hwclass.HOSTDEV].remove(dev)
break
mdev_dom = libvirtxml.make_mdev_element(mdev_uuid)
mdev = HostDevice.from_xml_tree(log, mdev_dom, {'mdevType': mdev_type})
if old_device_id is not None:
mdev.deviceId = old_device_id
devices[hwclass.HOSTDEV].append(mdev)
def append_mediated_device(devices, log, mdev_type, vm_id):
mdev_uuid = get_mdev_uuid(vm_id)
old_device_id = None
for dev in devices[hwclass.HOSTDEV]:
# REQUIRED_FOR: Engine < 4.2
# Legacy Engine tracks the mdev device once it is created and sends it
# in device parameters on the next VM run. However the sent device is
# incomplete and inaccurate (and we must handle devices created by
# former vfio-mdev hook) and the easiest way to deal with that is to
# replace it. We must be careful not to change the device id,
# otherwise Engine would track it as an additional device together with
# the original device.
if getattr(dev, 'address', {}).get('uuid') == mdev_uuid:
old_device_id = dev.deviceId
devices[hwclass.HOSTDEV].remove(dev)
break
mdev_dom = libvirtxml.make_mdev_element(mdev_uuid)
mdev = HostDevice.from_xml_tree(log, mdev_dom, {'mdevType': mdev_type})
if old_device_id is not None:
mdev.deviceId = old_device_id
devices[hwclass.HOSTDEV].append(mdev)
def getXML(self):
return libvirtxml.make_mdev_element(self.mdev_uuid)
def add_mediated_device(dom, mdev_uuid):
devs = vmxml.find_first(dom, 'devices')
hostdev = libvirtxml.make_mdev_element(mdev_uuid)
devs.append(hostdev)
def getXML(self):
return libvirtxml.make_mdev_element(self.mdev_uuid)