def update_from_xml(cls, vm, device_conf, device_xml):
alias = core.find_device_alias(device_xml)
address = vmxml.device_address(device_xml)
source = vmxml.find_first(device_xml, 'source')
device = pci_address_to_name(**vmxml.device_address(source))
# We can assume the device name to be correct since we're
# inspecting source element. For the address, we may look at
# both addresses and determine the correct one.
if pci_address_to_name(**address) == device:
address = vmxml.device_address(device_xml, 1)
known_device = False
for dev in device_conf:
if dev.device == device:
dev.alias = alias
dev.address = address
known_device = True
for dev in vm.conf['devices']:
if dev['device'] == device:
dev['alias'] = alias
dev['address'] = address
if not known_device:
device = pci_address_to_name(**vmxml.device_address(source))
hostdevice = {
'type': hwclass.HOSTDEV,
'device': device,
'alias': alias,
'address': address,
}
vm.conf['devices'].append(hostdevice)
def update_from_xml(cls, vm, device_conf, device_xml):
alias = vmxml.find_attr(device_xml, 'alias', 'name')
address = vmxml.device_address(device_xml)
source = vmxml.find_first(device_xml, 'source')
device = pci_address_to_name(**vmxml.device_address(source))
# We can assume the device name to be correct since we're
# inspecting source element. For the address, we may look at
# both addresses and determine the correct one.
if pci_address_to_name(**address) == device:
address = vmxml.device_address(device_xml, 1)
known_device = False
for dev in device_conf:
if dev.device == device:
dev.alias = alias
dev.address = address
known_device = True
for dev in vm.conf['devices']:
if dev['device'] == device:
dev['alias'] = alias
dev['address'] = address
if not known_device:
device = pci_address_to_name(**vmxml.device_address(source))
hostdevice = {
'type': hwclass.HOSTDEV,
'device': device,
'alias': alias,
'address': address,
}
vm.conf['devices'].append(hostdevice)
def _get_hostdev_params(dev):
src_dev = vmxml.find_first(dev, 'source')
src_addr = vmxml.device_address(src_dev)
src_addr_type = src_addr.pop('type', None)
if src_addr_type != 'pci':
raise UnsupportedAddress(src_addr_type)
addr = validate.normalize_pci_address(**src_addr)
return {'hostdev': pci_address_to_name(**addr)}
def update_device_info(cls, vm, device_conf):
for x in vm.domain.get_device_elements('hostdev'):
device_type = x.getAttribute('type')
if device_type != 'pci':
cls._update_nonpci_device_info(vm, device_conf, x)
continue
alias = x.getElementsByTagName('alias')[0].getAttribute('name')
address = vmxml.device_address(x)
source = x.getElementsByTagName('source')[0]
device = pci_address_to_name(
**vmxml.device_address(source))
# We can assume the device name to be correct since we're
# inspecting source element. For the address, we may look at
# both addresses and determine the correct one.
if (pci_address_to_name(**address) == device):
address = vmxml.device_address(x, 1)
known_device = False
for dev in vm.conf['devices']:
if dev['device'] == device:
dev['alias'] = alias
dev['address'] = address
for dev in device_conf:
if dev.device == device:
dev.alias = alias
dev.address = address
known_device = True
if not known_device:
device = pci_address_to_name(
**vmxml.device_address(source))
hostdevice = {'type': hwclass.HOSTDEV,
'device': device,
'alias': alias,
'address': address}
vm.conf['devices'].append(hostdevice)