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 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 _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 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)