OpenStack Networking (Neutron)
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neutron/neutron/conf/plugins/ml2/drivers/mech_sriov/agent_common.py

93 lines
4.7 KiB

# Copyright 2014 Mellanox Technologies, Ltd
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
# implied.
# See the License for the specific language governing permissions and
# limitations under the License.
from oslo_config import cfg
from neutron._i18n import _
DEFAULT_DEVICE_MAPPINGS = []
DEFAULT_EXCLUDE_DEVICES = []
sriov_nic_opts = [
cfg.ListOpt('physical_device_mappings',
default=DEFAULT_DEVICE_MAPPINGS,
help=_("Comma-separated list of "
"<physical_network>:<network_device> tuples mapping "
"physical network names to the agent's node-specific "
"physical network device interfaces of SR-IOV physical "
"function to be used for VLAN networks. All physical "
"networks listed in network_vlan_ranges on the server "
"should have mappings to appropriate interfaces on "
"each agent.")),
cfg.ListOpt('exclude_devices',
default=DEFAULT_EXCLUDE_DEVICES,
help=_("Comma-separated list of "
"<network_device>:<vfs_to_exclude> tuples, mapping "
"network_device to the agent's node-specific list of "
"virtual functions that should not be used for virtual "
"networking. vfs_to_exclude is a semicolon-separated "
"list of virtual functions to exclude from "
"network_device. The network_device in the mapping "
"should appear in the physical_device_mappings "
"list.")),
cfg.ListOpt('resource_provider_bandwidths',
default=[],
help=_("Comma-separated list of "
"<network_device>:<egress_bw>:<ingress_bw> tuples, "
"showing the available bandwidth for the given device "
"in the given direction. The direction is meant from "
"VM perspective. Bandwidth is measured in kilobits per "
"second (kbps). The device must appear in "
"physical_device_mappings as the value. But not all "
"devices in physical_device_mappings must be listed "
"here. For a device not listed here we neither create "
"a resource provider in placement nor report "
"inventories against. An omitted direction means we do "
"not report an inventory for the corresponding "
"class.")),
cfg.DictOpt('resource_provider_hypervisors',
default={},
help=_("Mapping of network devices to hypervisors: "
"<network_device>:<hypervisor>,... "
"hypervisor name is used to locate the parent of the "
"resource provider tree. Only needs to be set in the "
"rare case when the hypervisor name is different from "
"the resource_provider_default_hypervisor config "
"option value as known by the nova-compute managing "
"that hypervisor.")),
cfg.StrOpt('resource_provider_default_hypervisor',
help=_("The default hypervisor name used to locate the parent "
"of the resource provider. If this option is not set, "
"canonical name is used")),
cfg.DictOpt('resource_provider_inventory_defaults',
default={'allocation_ratio': 1.0,
'min_unit': 1,
'step_size': 1,
'reserved': 0},
help=_("Key:value pairs to specify defaults used "
"while reporting resource provider inventories. "
"Possible keys with their types: "
"allocation_ratio:float, "
"max_unit:int, min_unit:int, "
"reserved:int, step_size:int, "
"See also: "
"https://docs.openstack.org/api-ref/placement/"
"#update-resource-provider-inventories")),
]
def register_agent_sriov_nic_opts(cfg=cfg.CONF):
cfg.register_opts(sriov_nic_opts, 'SRIOV_NIC')