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