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- # Copyright 2017 Huawei Technologies Co.,LTD.
- # All Rights Reserved.
- #
- # 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_log import log as logging
- from oslo_versionedobjects import base as object_base
-
- from cyborg.db import api as dbapi
- from cyborg.objects import base
- from cyborg.objects import fields as object_fields
-
-
- LOG = logging.getLogger(__name__)
-
-
- @base.CyborgObjectRegistry.register
- class Accelerator(base.CyborgObject, object_base.VersionedObjectDictCompat):
- # Version 1.0: Initial version
- VERSION = '1.0'
-
- dbapi = dbapi.get_instance()
-
- fields = {
- 'id': object_fields.IntegerField(nullable=False),
- 'uuid': object_fields.UUIDField(nullable=False),
- 'name': object_fields.StringField(nullable=False),
- 'description': object_fields.StringField(nullable=True),
- 'project_id': object_fields.UUIDField(nullable=True),
- 'user_id': object_fields.UUIDField(nullable=True),
- 'device_type': object_fields.StringField(nullable=False),
- # The type of the accelerator device, e.g GPU, FPGA, ...
- 'acc_type': object_fields.StringField(nullable=True),
- # acc_type defines the usage of the accelerator, e.g Crypto
- 'acc_capability': object_fields.StringField(nullable=True),
- # acc_capability defines the specific capability, e.g AES
- 'vendor_id': object_fields.StringField(nullable=False),
- # vendor_id refers to ids like NVIDIA, XILINX, INTEL,...
- 'product_id': object_fields.StringField(nullable=False),
- # product_id refers to ids like P100
- 'remotable': object_fields.IntegerField(nullable=False),
- # remotable ids if remote accelerator is supported
- }
-
- def create(self, context):
- """Create an Accelerator record in the DB."""
- values = self.obj_get_changes()
- db_acc = self.dbapi.accelerator_create(context, values)
- self._from_db_object(self, db_acc)
-
- @classmethod
- def get(cls, context, uuid):
- """Find a DB Accelerator and return an Obj Accelerator."""
- db_acc = cls.dbapi.accelerator_get(context, uuid)
- obj_acc = cls._from_db_object(cls(context), db_acc)
- return obj_acc
-
- @classmethod
- def list(cls, context, limit, marker, sort_key, sort_dir, project_only):
- """Return a list of Accelerator objects."""
- db_accs = cls.dbapi.accelerator_list(context, limit, marker, sort_key,
- sort_dir, project_only)
- return cls._from_db_object_list(db_accs, context)
-
- def save(self, context):
- """Update an Accelerator record in the DB."""
- updates = self.obj_get_changes()
- db_acc = self.dbapi.accelerator_update(context, self.uuid, updates)
- self._from_db_object(self, db_acc)
-
- def destroy(self, context):
- """Delete the Accelerator from the DB."""
- self.dbapi.accelerator_delete(context, self.uuid)
- self.obj_reset_changes()
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