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# Copyright 2018 Lenovo, Inc.
#
# 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.
"""
Cyborg GPU driver implementation.
"""
from oslo_log import log as logging
from cyborg.accelerator.drivers.gpu import utils
LOG = logging.getLogger(__name__)
VENDOR_MAPS = {"10de": "nvidia", "102b": "matrox"}
class GPUDriver(object):
"""Base class for GPU drivers.
This is just a virtual GPU drivers interface.
Vedor should implement their specific drivers.
"""
@classmethod
def create(cls, vendor, *args, **kwargs):
for sclass in cls.__subclasses__():
vendor_name = VENDOR_MAPS.get(vendor)
if vendor_name == sclass.VENDOR:
return sclass(*args, **kwargs)
# raise LookupError("Not find the GPU driver for vendor_id %s" % vendor)
LOG.warn("Not find the GPU driver for vendor_id %s" % vendor)
def __init__(self, *args, **kwargs):
pass
def discover(self):
raise NotImplementedError()
def program(self, device_path, image):
raise NotImplementedError()
@classmethod
def discover_vendors(cls):
return utils.discover_vendors()
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