def _restore_sriov_config():
persistent_config = PersistentConfig()
current_sriov_pci_devs = sriov.list_sriov_pci_devices()
desired_sriov_pci_devs = {
sriov.devname2pciaddr(devname)
for devname, devattrs in six.viewitems(persistent_config.devices)
if 'sriov' in devattrs
}
non_persisted_devs = current_sriov_pci_devs - desired_sriov_pci_devs
if non_persisted_devs:
logging.info(
'Non persisted SRIOV devices found: %s', non_persisted_devs
)
missing_current_devs = desired_sriov_pci_devs - current_sriov_pci_devs
if missing_current_devs:
logging.error(
'Persisted SRIOV devices could not be found: %s',
missing_current_devs,
)
for sriov_devpci in current_sriov_pci_devs & desired_sriov_pci_devs:
devname = sriov.pciaddr2devname(sriov_devpci)
numvfs = persistent_config.devices[devname]['sriov']['numvfs']
try:
change_numvfs(sriov_devpci, numvfs, devname)
except Exception:
logging.exception(
'Restoring VF configuration for device %s failed. '
'Persisted nets built on this device will fail to restore.',
devname,
)
def _restore_sriov_config():
persistent_config = PersistentConfig()
current_sriov_pci_devs = sriov.list_sriov_pci_devices()
desired_sriov_pci_devs = {
sriov.devname2pciaddr(devname)
for devname, devattrs in six.viewitems(persistent_config.devices)
if 'sriov' in devattrs
}
non_persisted_devs = current_sriov_pci_devs - desired_sriov_pci_devs
if non_persisted_devs:
logging.info('Non persisted SRIOV devices found: %s',
non_persisted_devs)
missing_current_devs = desired_sriov_pci_devs - current_sriov_pci_devs
if missing_current_devs:
logging.error('Persisted SRIOV devices could not be found: %s',
missing_current_devs)
for sriov_devpci in (current_sriov_pci_devs & desired_sriov_pci_devs):
devname = sriov.pciaddr2devname(sriov_devpci)
numvfs = persistent_config.devices[devname]['sriov']['numvfs']
try:
change_numvfs(sriov_devpci, numvfs, devname)
except Exception:
logging.exception(
'Restoring VF configuration for device %s failed. '
'Persisted nets built on this device will fail to restore.',
devname
)
def _restore_sriov_numvfs():
sriov_devices = _get_sriov_devices()
persisted_numvfs = _get_persisted_numvfs(sriov_devices)
for device_libvirt_name in sriov_devices:
pci_path = hostdev.name_to_pci_path(device_libvirt_name)
desired_numvfs = persisted_numvfs.get(pci_path)
if desired_numvfs is None:
logging.info('SRIOV network device which is not persisted found '
'at: %s.', pci_path)
else:
logging.info('Changing number of virtual functions for device %s '
'-> %s', pci_path, desired_numvfs)
try:
net_name = hostdev.physical_function_net_name(
device_libvirt_name)
change_numvfs(pci_path, desired_numvfs, net_name)
except:
logging.exception('restoring vf configuration for device %s '
'failed. Persisted networks built on this '
'device will fail to restore.', pci_path)
def _restore_sriov_numvfs():
sriov_devices = _get_sriov_devices()
persisted_numvfs = _get_persisted_numvfs(sriov_devices)
for device_libvirt_name in sriov_devices:
pci_path = hostdev.name_to_pci_path(device_libvirt_name)
desired_numvfs = persisted_numvfs.get(pci_path)
if desired_numvfs is None:
logging.info(
'SRIOV network device which is not persisted found '
'at: %s.', pci_path)
else:
logging.info(
'Changing number of virtual functions for device %s '
'-> %s', pci_path, desired_numvfs)
try:
net_name = hostdev.physical_function_net_name(
device_libvirt_name)
change_numvfs(pci_path, desired_numvfs, net_name)
except:
logging.exception(
'restoring vf configuration for device %s '
'failed. Persisted networks built on this '
'device will fail to restore.', pci_path)