def match(self, pci_addr, pci_phys_addr):
"""Match a device to this PciAddress. Assume this is called given
pci_addr and pci_phys_addr reported by libvirt, no attempt is made to
verify if pci_addr is a VF of pci_phys_addr.
:param pci_addr: PCI address of the device to match.
:param pci_phys_addr: PCI address of the parent of the device to match
(or None if the device is not a VF).
"""
# Try to match on the parent PCI address if the PciDeviceSpec is a
# PF (sriov is available) and the device to match is a VF. This
# makes possible to specify the PCI address of a PF in the
# pci_passthrough_whitelist to match any of it's VFs PCI devices.
if self.is_physical_function and pci_phys_addr:
domain, bus, slot, func = (
utils.get_pci_address_fields(pci_phys_addr))
if (self.domain == domain and self.bus == bus and self.slot == slot
and self.func == func):
return True
# Try to match on the device PCI address only.
domain, bus, slot, func = (utils.get_pci_address_fields(pci_addr))
conditions = [
self.domain in (ANY, domain), self.bus in (ANY, bus), self.slot
in (ANY, slot), self.func in (ANY, func)
]
return all(conditions)
def match(self, pci_addr, pci_phys_addr):
"""Match a device to this PciAddress. Assume this is called given
pci_addr and pci_phys_addr reported by libvirt, no attempt is made to
verify if pci_addr is a VF of pci_phys_addr.
:param pci_addr: PCI address of the device to match.
:param pci_phys_addr: PCI address of the parent of the device to match
(or None if the device is not a VF).
"""
# Try to match on the parent PCI address if the PciDeviceSpec is a
# PF (sriov is available) and the device to match is a VF. This
# makes possible to specify the PCI address of a PF in the
# pci_passthrough_whitelist to match any of it's VFs PCI devices.
if self.is_physical_function and pci_phys_addr:
domain, bus, slot, func = (
utils.get_pci_address_fields(pci_phys_addr))
if (self.domain == domain and self.bus == bus and
self.slot == slot and self.func == func):
return True
# Try to match on the device PCI address only.
domain, bus, slot, func = (
utils.get_pci_address_fields(pci_addr))
conditions = [
self.domain in (ANY, domain),
self.bus in (ANY, bus),
self.slot in (ANY, slot),
self.func in (ANY, func)
]
return all(conditions)
def _init_address_fields(self, pci_addr):
if self.is_physical_function:
(self.domain, self.bus, self.slot,
self.func) = utils.get_pci_address_fields(pci_addr)
return
dbs, sep, func = pci_addr.partition('.')
if func:
fstr = func.strip()
if fstr != ANY:
try:
f = get_value(fstr)
except SyntaxError:
raise exception.PciDeviceWrongAddressFormat(
address=pci_addr)
if f > MAX_FUNC:
raise exception.PciDeviceInvalidAddressField(
address=pci_addr, field="function")
self.func = "%1x" % f
if dbs:
dbs_fields = dbs.split(':')
if len(dbs_fields) > 3:
raise exception.PciDeviceWrongAddressFormat(address=pci_addr)
# If we got a partial address like ":00.", we need to turn this
# into a domain of ANY, a bus of ANY, and a slot of 00. This code
# allows the address bus and/or domain to be left off
dbs_all = [ANY for x in range(3 - len(dbs_fields))]
dbs_all.extend(dbs_fields)
dbs_checked = [s.strip() or ANY for s in dbs_all]
self.domain, self.bus, self.slot = dbs_checked
get_pci_dev_info(self, 'domain', MAX_DOMAIN, '%04x')
get_pci_dev_info(self, 'bus', MAX_BUS, '%02x')
get_pci_dev_info(self, 'slot', MAX_SLOT, '%02x')
self._check_physical_function()
def match(self, pci_addr, pci_phys_addr):
# Assume this is called given pci_add and pci_phys_addr from libvirt,
# no attempt is made to verify pci_addr is a VF of pci_phys_addr
if self.is_physical_function:
if not pci_phys_addr:
return False
domain, bus, slot, func = (
utils.get_pci_address_fields(pci_phys_addr))
return (self.domain == domain and self.bus == bus
and self.slot == slot and self.func == func)
else:
domain, bus, slot, func = (utils.get_pci_address_fields(pci_addr))
conditions = [
self.domain in (ANY, domain), self.bus in (ANY, bus), self.slot
in (ANY, slot), self.func in (ANY, func)
]
return all(conditions)
def match(self, pci_addr, pci_phys_addr):
# Assume this is called given pci_add and pci_phys_addr from libvirt,
# no attempt is made to verify pci_addr is a VF of pci_phys_addr
if self.is_physical_function:
if not pci_phys_addr:
return False
domain, bus, slot, func = (
utils.get_pci_address_fields(pci_phys_addr))
return (self.domain == domain and self.bus == bus and
self.slot == slot and self.func == func)
else:
domain, bus, slot, func = (
utils.get_pci_address_fields(pci_addr))
conditions = [
self.domain in (ANY, domain),
self.bus in (ANY, bus),
self.slot in (ANY, slot),
self.func in (ANY, func)
]
return all(conditions)
def __init__(self, pci_addr):
try:
if isinstance(pci_addr, dict):
self.domain = pci_addr['domain']
self.bus = pci_addr['bus']
self.slot = pci_addr['slot']
self.func = pci_addr['function']
else:
self.domain, self.bus, self.slot, self.func = (
utils.get_pci_address_fields(pci_addr))
get_pci_dev_info(self, 'func', MAX_FUNC, '%1x')
get_pci_dev_info(self, 'domain', MAX_DOMAIN, '%04x')
get_pci_dev_info(self, 'bus', MAX_BUS, '%02x')
get_pci_dev_info(self, 'slot', MAX_SLOT, '%02x')
except (KeyError, ValueError):
raise exception.PciDeviceWrongAddressFormat(address=pci_addr)
def __init__(self, pci_addr):
try:
if isinstance(pci_addr, dict):
self.domain = pci_addr['domain']
self.bus = pci_addr['bus']
self.slot = pci_addr['slot']
self.func = pci_addr['function']
else:
self.domain, self.bus, self.slot, self.func = (
utils.get_pci_address_fields(pci_addr))
self._set_pci_dev_info('func', MAX_FUNC, '%1x')
self._set_pci_dev_info('domain', MAX_DOMAIN, '%04x')
self._set_pci_dev_info('bus', MAX_BUS, '%02x')
self._set_pci_dev_info('slot', MAX_SLOT, '%02x')
except (KeyError, ValueError):
raise exception.PciDeviceWrongAddressFormat(address=pci_addr)
def __init__(self, pci_addr: PCISpecAddressType) -> None:
try:
# TODO(stephenfin): Is this ever actually a string?
if isinstance(pci_addr, dict):
self.domain = pci_addr['domain']
self.bus = pci_addr['bus']
self.slot = pci_addr['slot']
self.func = pci_addr['function']
else:
self.domain, self.bus, self.slot, self.func = (
utils.get_pci_address_fields(pci_addr))
self._set_pci_dev_info('func', MAX_FUNC, '%1x')
self._set_pci_dev_info('domain', MAX_DOMAIN, '%04x')
self._set_pci_dev_info('bus', MAX_BUS, '%02x')
self._set_pci_dev_info('slot', MAX_SLOT, '%02x')
except (KeyError, ValueError):
raise exception.PciDeviceWrongAddressFormat(address=pci_addr)
def set_vif_host_backend_hostdev_pci_config(conf, pci_slot):
"""Populate a LibvirtConfigGuestHostdev instance with pci address data."""
conf.domain, conf.bus, conf.slot, conf.function = (
pci_utils.get_pci_address_fields(pci_slot))
def setUp(self):
super(IsPhysicalFunctionTestCase, self).setUp()
self.pci_args = utils.get_pci_address_fields('0000:00:00.1')
def set_vif_host_backend_ib_hostdev_config(conf, pci_slot):
"""Populate a LibvirtConfigGuestInterface instance
with hostdev Interface.
"""
conf.domain, conf.bus, conf.slot, conf.function = (
pci_utils.get_pci_address_fields(pci_slot))
def setUp(self):
super(IsPhysicalFunctionTestCase, self).setUp()
self.pci_args = utils.get_pci_address_fields('0000:00:00.1')
def set_vif_host_backend_ib_hostdev_config(conf, pci_slot):
"""Populate a LibvirtConfigGuestInterface instance
with hostdev Interface.
"""
conf.domain, conf.bus, conf.slot, conf.function = (
pci_utils.get_pci_address_fields(pci_slot))
