# Copyright (c) 2012 OpenStack Foundation # 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. import copy import mock from oslo_serialization import jsonutils from oslo_utils import timeutils from nova import context from nova.db import api as db from nova import exception from nova import objects from nova.objects import fields from nova.objects import instance from nova.objects import pci_device from nova.tests.unit.objects import test_objects from nova.tests import uuidsentinel as uuids dev_dict = { 'compute_node_id': 1, 'address': 'a', 'product_id': 'p', 'vendor_id': 'v', 'numa_node': 0, 'dev_type': fields.PciDeviceType.STANDARD, 'parent_addr': None, 'status': fields.PciDeviceStatus.AVAILABLE} fake_db_dev = { 'created_at': None, 'updated_at': None, 'deleted_at': None, 'deleted': None, 'parent_addr': None, 'id': 1, 'uuid': uuids.pci_dev1, 'compute_node_id': 1, 'address': 'a', 'vendor_id': 'v', 'product_id': 'p', 'numa_node': 0, 'dev_type': fields.PciDeviceType.STANDARD, 'status': fields.PciDeviceStatus.AVAILABLE, 'dev_id': 'i', 'label': 'l', 'instance_uuid': None, 'extra_info': '{}', 'request_id': None, } fake_db_dev_1 = { 'created_at': None, 'updated_at': None, 'deleted_at': None, 'deleted': None, 'id': 2, 'uuid': uuids.pci_dev2, 'parent_addr': 'a', 'compute_node_id': 1, 'address': 'a1', 'vendor_id': 'v1', 'product_id': 'p1', 'numa_node': 1, 'dev_type': fields.PciDeviceType.STANDARD, 'status': fields.PciDeviceStatus.AVAILABLE, 'dev_id': 'i', 'label': 'l', 'instance_uuid': None, 'extra_info': '{}', 'request_id': None, } fake_db_dev_old = { 'created_at': None, 'updated_at': None, 'deleted_at': None, 'deleted': None, 'id': 2, 'uuid': uuids.pci_dev2, 'parent_addr': None, 'compute_node_id': 1, 'address': 'a1', 'vendor_id': 'v1', 'product_id': 'p1', 'numa_node': 1, 'dev_type': fields.PciDeviceType.SRIOV_VF, 'status': fields.PciDeviceStatus.AVAILABLE, 'dev_id': 'i', 'label': 'l', 'instance_uuid': None, 'extra_info': '{"phys_function": "blah"}', 'request_id': None, } class _TestPciDeviceObject(object): def _create_fake_instance(self): self.inst = instance.Instance() self.inst.uuid = uuids.instance self.inst.pci_devices = pci_device.PciDeviceList() @mock.patch.object(db, 'pci_device_get_by_addr') def _create_fake_pci_device(self, mock_get, ctxt=None): if not ctxt: ctxt = context.get_admin_context() mock_get.return_value = fake_db_dev self.pci_device = pci_device.PciDevice.get_by_dev_addr(ctxt, 1, 'a') mock_get.assert_called_once_with(ctxt, 1, 'a') def test_create_pci_device(self): self.pci_device = pci_device.PciDevice.create(None, dev_dict) self.assertEqual(self.pci_device.product_id, 'p') self.assertEqual(self.pci_device.obj_what_changed(), set(['compute_node_id', 'product_id', 'vendor_id', 'numa_node', 'status', 'address', 'extra_info', 'dev_type', 'parent_addr', 'uuid'])) def test_pci_device_extra_info(self): self.dev_dict = copy.copy(dev_dict) self.dev_dict['k1'] = 'v1' self.dev_dict['k2'] = 'v2' self.pci_device = pci_device.PciDevice.create(None, self.dev_dict) extra_value = self.pci_device.extra_info self.assertEqual(extra_value.get('k1'), self.dev_dict['k1']) self.assertEqual(set(extra_value.keys()), set(('k1', 'k2'))) self.assertEqual(self.pci_device.obj_what_changed(), set(['compute_node_id', 'address', 'product_id', 'vendor_id', 'numa_node', 'status', 'uuid', 'extra_info', 'dev_type', 'parent_addr'])) def test_pci_device_extra_info_with_dict(self): self.dev_dict = copy.copy(dev_dict) self.dev_dict['k1'] = {'sub_k1': ['val1', 'val2']} self.pci_device = pci_device.PciDevice.create(None, self.dev_dict) extra_value = self.pci_device.extra_info self.assertEqual(jsonutils.loads(extra_value.get('k1')), self.dev_dict['k1']) self.assertEqual(set(extra_value.keys()), set(['k1'])) self.assertEqual(self.pci_device.obj_what_changed(), set(['compute_node_id', 'address', 'product_id', 'vendor_id', 'numa_node', 'status', 'uuid', 'extra_info', 'dev_type', 'parent_addr'])) def test_update_device(self): self.pci_device = pci_device.PciDevice.create(None, dev_dict) self.pci_device.obj_reset_changes() changes = {'product_id': 'p2', 'vendor_id': 'v2'} self.pci_device.update_device(changes) self.assertEqual(self.pci_device.vendor_id, 'v2') self.assertEqual(self.pci_device.obj_what_changed(), set(['vendor_id', 'product_id', 'parent_addr'])) def test_update_device_same_value(self): self.pci_device = pci_device.PciDevice.create(None, dev_dict) self.pci_device.obj_reset_changes() changes = {'product_id': 'p', 'vendor_id': 'v2'} self.pci_device.update_device(changes) self.assertEqual(self.pci_device.product_id, 'p') self.assertEqual(self.pci_device.vendor_id, 'v2') self.assertEqual(self.pci_device.obj_what_changed(), set(['vendor_id', 'product_id', 'parent_addr'])) @mock.patch.object(db, 'pci_device_get_by_addr') def test_get_by_dev_addr(self, mock_get): ctxt = context.get_admin_context() mock_get.return_value = fake_db_dev self.pci_device = pci_device.PciDevice.get_by_dev_addr(ctxt, 1, 'a') self.assertEqual(self.pci_device.product_id, 'p') self.assertEqual(self.pci_device.obj_what_changed(), set()) mock_get.assert_called_once_with(ctxt, 1, 'a') @mock.patch.object(db, 'pci_device_get_by_id') def test_get_by_dev_id(self, mock_get): ctxt = context.get_admin_context() mock_get.return_value = fake_db_dev self.pci_device = pci_device.PciDevice.get_by_dev_id(ctxt, 1) self.assertEqual(self.pci_device.product_id, 'p') self.assertEqual(self.pci_device.obj_what_changed(), set()) mock_get.assert_called_once_with(ctxt, 1) @mock.patch.object(db, 'pci_device_get_by_id') @mock.patch.object(objects.PciDevice, 'save') @mock.patch('oslo_utils.uuidutils.generate_uuid') def test_get_by_dev_id_auto_generate_uuid(self, mock_uuid, mock_save, mock_get): """Tests loading an old db record which doesn't have a uuid set so the object code auto-generates one and saves the update. """ fake_db_dev_no_uuid = copy.deepcopy(fake_db_dev) fake_db_dev_no_uuid['uuid'] = None ctxt = context.get_admin_context() mock_get.return_value = fake_db_dev_no_uuid fake_uuid = '3afad0d9-d2db-46fd-b56b-79f90043de5e' mock_uuid.return_value = fake_uuid obj_dev = pci_device.PciDevice.get_by_dev_id(ctxt, 1) self.assertEqual(fake_uuid, obj_dev.uuid) # The obj_what_changed is still dirty from _from_db_object because we # are mocking out save() which would eventually update the pci device # in the database and call _from_db_object again on the updated record, # and _from_db_object would reset the changed fields. self.assertEqual(set(['uuid']), obj_dev.obj_what_changed()) mock_get.assert_called_once_with(ctxt, 1) mock_save.assert_called_once_with() mock_uuid.assert_called_once_with() def test_from_db_obj_pre_1_5_format(self): ctxt = context.get_admin_context() fake_dev_pre_1_5 = copy.deepcopy(fake_db_dev_old) fake_dev_pre_1_5['status'] = fields.PciDeviceStatus.UNAVAILABLE dev = pci_device.PciDevice._from_db_object( ctxt, pci_device.PciDevice(), fake_dev_pre_1_5) self.assertRaises(exception.ObjectActionError, dev.obj_to_primitive, '1.4') def test_save_empty_parent_addr(self): ctxt = context.get_admin_context() dev = pci_device.PciDevice._from_db_object( ctxt, pci_device.PciDevice(), fake_db_dev) dev.parent_addr = None with mock.patch.object(db, 'pci_device_update', return_value=fake_db_dev): dev.save() self.assertIsNone(dev.parent_addr) self.assertEqual({}, dev.extra_info) @mock.patch.object(db, 'pci_device_update') def test_save(self, mock_update): ctxt = context.get_admin_context() self._create_fake_pci_device(ctxt=ctxt) return_dev = dict(fake_db_dev, status=fields.PciDeviceStatus.AVAILABLE, instance_uuid=uuids.instance3) self.pci_device.status = fields.PciDeviceStatus.ALLOCATED self.pci_device.instance_uuid = uuids.instance2 expected_updates = dict(status=fields.PciDeviceStatus.ALLOCATED, instance_uuid=uuids.instance2) mock_update.return_value = return_dev self.pci_device.save() self.assertEqual(self.pci_device.status, fields.PciDeviceStatus.AVAILABLE) self.assertEqual(self.pci_device.instance_uuid, uuids.instance3) mock_update.assert_called_once_with(ctxt, 1, 'a', expected_updates) def test_save_no_extra_info(self): return_dev = dict(fake_db_dev, status=fields.PciDeviceStatus.AVAILABLE, instance_uuid=uuids.instance3) def _fake_update(ctxt, node_id, addr, updates): self.extra_info = updates.get('extra_info') return return_dev ctxt = context.get_admin_context() self.stub_out('nova.db.api.pci_device_update', _fake_update) self.pci_device = pci_device.PciDevice.create(None, dev_dict) self.pci_device._context = ctxt self.pci_device.save() self.assertEqual(self.extra_info, '{}') @mock.patch.object(db, 'pci_device_destroy') def test_save_removed(self, mock_destroy): ctxt = context.get_admin_context() self._create_fake_pci_device(ctxt=ctxt) self.pci_device.status = fields.PciDeviceStatus.REMOVED self.pci_device.save() self.assertEqual(self.pci_device.status, fields.PciDeviceStatus.DELETED) mock_destroy.assert_called_once_with(ctxt, 1, 'a') def test_save_deleted(self): def _fake_destroy(ctxt, node_id, addr): self.called = True def _fake_update(ctxt, node_id, addr, updates): self.called = True self.stub_out('nova.db.api.pci_device_destroy', _fake_destroy) self.stub_out('nova.db.api.pci_device_update', _fake_update) self._create_fake_pci_device() self.pci_device.status = fields.PciDeviceStatus.DELETED self.called = False self.pci_device.save() self.assertFalse(self.called) def test_update_numa_node(self): self.pci_device = pci_device.PciDevice.create(None, dev_dict) self.assertEqual(0, self.pci_device.numa_node) self.dev_dict = copy.copy(dev_dict) self.dev_dict['numa_node'] = '1' self.pci_device = pci_device.PciDevice.create(None, self.dev_dict) self.assertEqual(1, self.pci_device.numa_node) @mock.patch('oslo_utils.uuidutils.generate_uuid', return_value=uuids.pci_dev1) def test_pci_device_equivalent(self, mock_uuid): pci_device1 = pci_device.PciDevice.create(None, dev_dict) pci_device2 = pci_device.PciDevice.create(None, dev_dict) self.assertEqual(pci_device1, pci_device2) @mock.patch('oslo_utils.uuidutils.generate_uuid', return_value=uuids.pci_dev1) def test_pci_device_equivalent_with_ignore_field(self, mock_uuid): pci_device1 = pci_device.PciDevice.create(None, dev_dict) pci_device2 = pci_device.PciDevice.create(None, dev_dict) pci_device2.updated_at = timeutils.utcnow() self.assertEqual(pci_device1, pci_device2) @mock.patch('oslo_utils.uuidutils.generate_uuid', return_value=uuids.pci_dev1) def test_pci_device_not_equivalent1(self, mock_uuid): pci_device1 = pci_device.PciDevice.create(None, dev_dict) dev_dict2 = copy.copy(dev_dict) dev_dict2['address'] = 'b' pci_device2 = pci_device.PciDevice.create(None, dev_dict2) self.assertNotEqual(pci_device1, pci_device2) @mock.patch('oslo_utils.uuidutils.generate_uuid', return_value=uuids.pci_dev1) def test_pci_device_not_equivalent2(self, mock_uuid): pci_device1 = pci_device.PciDevice.create(None, dev_dict) pci_device2 = pci_device.PciDevice.create(None, dev_dict) delattr(pci_device2, 'address') self.assertNotEqual(pci_device1, pci_device2) @mock.patch('oslo_utils.uuidutils.generate_uuid', return_value=uuids.pci_dev1) def test_pci_device_not_equivalent_with_none(self, mock_uuid): pci_device1 = pci_device.PciDevice.create(None, dev_dict) pci_device2 = pci_device.PciDevice.create(None, dev_dict) pci_device1.instance_uuid = 'aaa' pci_device2.instance_uuid = None self.assertNotEqual(pci_device1, pci_device2) @mock.patch('oslo_utils.uuidutils.generate_uuid', return_value=uuids.pci_dev1) def test_pci_device_not_equivalent_with_not_pci_device(self, mock_uuid): pci_device1 = pci_device.PciDevice.create(None, dev_dict) self.assertIsNotNone(pci_device1) self.assertNotEqual(pci_device1, 'foo') self.assertNotEqual(pci_device1, 1) self.assertNotEqual(pci_device1, objects.PciDeviceList()) def test_claim_device(self): self._create_fake_instance() devobj = pci_device.PciDevice.create(None, dev_dict) devobj.claim(self.inst.uuid) self.assertEqual(devobj.status, fields.PciDeviceStatus.CLAIMED) self.assertEqual(devobj.instance_uuid, self.inst.uuid) self.assertEqual(len(self.inst.pci_devices), 0) def test_claim_device_fail(self): self._create_fake_instance() devobj = pci_device.PciDevice.create(None, dev_dict) devobj.status = fields.PciDeviceStatus.ALLOCATED self.assertRaises(exception.PciDeviceInvalidStatus, devobj.claim, self.inst) def test_allocate_device(self): self._create_fake_instance() devobj = pci_device.PciDevice.create(None, dev_dict) devobj.claim(self.inst.uuid) devobj.allocate(self.inst) self.assertEqual(devobj.status, fields.PciDeviceStatus.ALLOCATED) self.assertEqual(devobj.instance_uuid, uuids.instance) self.assertEqual(len(self.inst.pci_devices), 1) self.assertEqual(self.inst.pci_devices[0].vendor_id, 'v') self.assertEqual(self.inst.pci_devices[0].status, fields.PciDeviceStatus.ALLOCATED) def test_allocate_device_fail_status(self): self._create_fake_instance() devobj = pci_device.PciDevice.create(None, dev_dict) devobj.status = 'removed' self.assertRaises(exception.PciDeviceInvalidStatus, devobj.allocate, self.inst) def test_allocate_device_fail_owner(self): self._create_fake_instance() inst_2 = instance.Instance() inst_2.uuid = uuids.instance_2 devobj = pci_device.PciDevice.create(None, dev_dict) devobj.claim(self.inst.uuid) self.assertRaises(exception.PciDeviceInvalidOwner, devobj.allocate, inst_2) def test_free_claimed_device(self): self._create_fake_instance() devobj = pci_device.PciDevice.create(None, dev_dict) devobj.claim(self.inst.uuid) devobj.free(self.inst) self.assertEqual(devobj.status, fields.PciDeviceStatus.AVAILABLE) self.assertIsNone(devobj.instance_uuid) def test_free_allocated_device(self): self._create_fake_instance() ctx = context.get_admin_context() devobj = pci_device.PciDevice._from_db_object( ctx, pci_device.PciDevice(), fake_db_dev) devobj.claim(self.inst.uuid) devobj.allocate(self.inst) self.assertEqual(len(self.inst.pci_devices), 1) devobj.free(self.inst) self.assertEqual(len(self.inst.pci_devices), 0) self.assertEqual(devobj.status, fields.PciDeviceStatus.AVAILABLE) self.assertIsNone(devobj.instance_uuid) def test_free_device_fail(self): self._create_fake_instance() devobj = pci_device.PciDevice.create(None, dev_dict) devobj.status = fields.PciDeviceStatus.REMOVED self.assertRaises(exception.PciDeviceInvalidStatus, devobj.free) def test_remove_device(self): self._create_fake_instance() devobj = pci_device.PciDevice.create(None, dev_dict) devobj.remove() self.assertEqual(devobj.status, fields.PciDeviceStatus.REMOVED) self.assertIsNone(devobj.instance_uuid) def test_remove_device_fail(self): self._create_fake_instance() devobj = pci_device.PciDevice.create(None, dev_dict) devobj.claim(self.inst.uuid) self.assertRaises(exception.PciDeviceInvalidStatus, devobj.remove) class TestPciDeviceObject(test_objects._LocalTest, _TestPciDeviceObject): pass class TestPciDeviceObjectRemote(test_objects._RemoteTest, _TestPciDeviceObject): pass fake_pci_devs = [fake_db_dev, fake_db_dev_1] class _TestPciDeviceListObject(object): def test_create_pci_device_list(self): ctxt = context.get_admin_context() devobj = pci_device.PciDevice.create(ctxt, dev_dict) pci_device_list = objects.PciDeviceList( context=ctxt, objects=[devobj]) self.assertEqual(1, len(pci_device_list)) self.assertIsInstance(pci_device_list[0], pci_device.PciDevice) @mock.patch.object(db, 'pci_device_get_all_by_node') def test_get_by_compute_node(self, mock_get): ctxt = context.get_admin_context() mock_get.return_value = fake_pci_devs devs = pci_device.PciDeviceList.get_by_compute_node(ctxt, 1) for i in range(len(fake_pci_devs)): self.assertIsInstance(devs[i], pci_device.PciDevice) self.assertEqual(fake_pci_devs[i]['vendor_id'], devs[i].vendor_id) mock_get.assert_called_once_with(ctxt, 1) @mock.patch.object(db, 'pci_device_get_all_by_instance_uuid') def test_get_by_instance_uuid(self, mock_get): ctxt = context.get_admin_context() fake_db_1 = dict(fake_db_dev, address='a1', status=fields.PciDeviceStatus.ALLOCATED, instance_uuid='1') fake_db_2 = dict(fake_db_dev, address='a2', status=fields.PciDeviceStatus.ALLOCATED, instance_uuid='1') mock_get.return_value = [fake_db_1, fake_db_2] devs = pci_device.PciDeviceList.get_by_instance_uuid(ctxt, '1') self.assertEqual(len(devs), 2) for i in range(len(fake_pci_devs)): self.assertIsInstance(devs[i], pci_device.PciDevice) self.assertEqual(devs[0].vendor_id, 'v') self.assertEqual(devs[1].vendor_id, 'v') mock_get.assert_called_once_with(ctxt, '1') class TestPciDeviceListObject(test_objects._LocalTest, _TestPciDeviceListObject): pass class TestPciDeviceListObjectRemote(test_objects._RemoteTest, _TestPciDeviceListObject): pass class _TestSRIOVPciDeviceObject(object): def _create_pci_devices(self, vf_product_id=1515, pf_product_id=1528, num_pfs=2, num_vfs=8): self.sriov_pf_devices = [] for dev in range(num_pfs): pci_dev = {'compute_node_id': 1, 'address': '0000:81:00.%d' % dev, 'vendor_id': '8086', 'product_id': '%d' % pf_product_id, 'status': 'available', 'request_id': None, 'dev_type': fields.PciDeviceType.SRIOV_PF, 'parent_addr': None, 'numa_node': 0} pci_dev_obj = objects.PciDevice.create(None, pci_dev) pci_dev_obj.id = dev + 81 pci_dev_obj.child_devices = [] self.sriov_pf_devices.append(pci_dev_obj) self.sriov_vf_devices = [] for dev in range(num_vfs): pci_dev = {'compute_node_id': 1, 'address': '0000:81:10.%d' % dev, 'vendor_id': '8086', 'product_id': '%d' % vf_product_id, 'status': 'available', 'request_id': None, 'dev_type': fields.PciDeviceType.SRIOV_VF, 'parent_addr': '0000:81:00.%d' % int(dev / 4), 'numa_node': 0} pci_dev_obj = objects.PciDevice.create(None, pci_dev) pci_dev_obj.id = dev + 1 pci_dev_obj.parent_device = self.sriov_pf_devices[int(dev / 4)] pci_dev_obj.parent_device.child_devices.append(pci_dev_obj) self.sriov_vf_devices.append(pci_dev_obj) def _create_fake_instance(self): self.inst = instance.Instance() self.inst.uuid = uuids.instance self.inst.pci_devices = pci_device.PciDeviceList() @mock.patch.object(db, 'pci_device_get_by_addr') def _create_fake_pci_device(self, mock_get, ctxt=None): if not ctxt: ctxt = context.get_admin_context() mock_get.return_value = fake_db_dev self.pci_device = pci_device.PciDevice.get_by_dev_addr(ctxt, 1, 'a') mock_get.assert_called_once_with(ctxt, 1, 'a') def _get_children_by_parent_address(self, addr): vf_devs = [] for dev in self.sriov_vf_devices: if dev.parent_addr == addr: vf_devs.append(dev) return vf_devs def _get_parent_by_address(self, addr): for dev in self.sriov_pf_devices: if dev.address == addr: return dev def test_claim_PF(self): self._create_fake_instance() self._create_pci_devices() devobj = self.sriov_pf_devices[0] devobj.claim(self.inst.uuid) self.assertEqual(devobj.status, fields.PciDeviceStatus.CLAIMED) self.assertEqual(devobj.instance_uuid, self.inst.uuid) self.assertEqual(len(self.inst.pci_devices), 0) # check if the all the dependants are UNCLAIMABLE self.assertTrue(all( [dev.status == fields.PciDeviceStatus.UNCLAIMABLE for dev in self._get_children_by_parent_address( self.sriov_pf_devices[0].address)])) def test_claim_VF(self): self._create_fake_instance() self._create_pci_devices() devobj = self.sriov_vf_devices[0] devobj.claim(self.inst.uuid) self.assertEqual(devobj.status, fields.PciDeviceStatus.CLAIMED) self.assertEqual(devobj.instance_uuid, self.inst.uuid) self.assertEqual(len(self.inst.pci_devices), 0) # check if parent device status has been changed to UNCLAIMABLE parent = self._get_parent_by_address(devobj.parent_addr) self.assertEqual(fields.PciDeviceStatus.UNCLAIMABLE, parent.status) def test_allocate_PF(self): self._create_fake_instance() self._create_pci_devices() devobj = self.sriov_pf_devices[0] devobj.claim(self.inst.uuid) devobj.allocate(self.inst) self.assertEqual(devobj.status, fields.PciDeviceStatus.ALLOCATED) self.assertEqual(devobj.instance_uuid, self.inst.uuid) self.assertEqual(len(self.inst.pci_devices), 1) # check if the all the dependants are UNAVAILABLE self.assertTrue(all( [dev.status == fields.PciDeviceStatus.UNAVAILABLE for dev in self._get_children_by_parent_address( self.sriov_pf_devices[0].address)])) def test_allocate_VF(self): self._create_fake_instance() self._create_pci_devices() devobj = self.sriov_vf_devices[0] devobj.claim(self.inst.uuid) devobj.allocate(self.inst) self.assertEqual(devobj.status, fields.PciDeviceStatus.ALLOCATED) self.assertEqual(devobj.instance_uuid, self.inst.uuid) self.assertEqual(len(self.inst.pci_devices), 1) # check if parent device status has been changed to UNAVAILABLE parent = self._get_parent_by_address(devobj.parent_addr) self.assertEqual(fields.PciDeviceStatus.UNAVAILABLE, parent.status) def test_claim_PF_fail(self): self._create_fake_instance() self._create_pci_devices() devobj = self.sriov_pf_devices[0] self.sriov_vf_devices[0].status = fields.PciDeviceStatus.CLAIMED self.assertRaises(exception.PciDeviceVFInvalidStatus, devobj.claim, self.inst) def test_claim_VF_fail(self): self._create_fake_instance() self._create_pci_devices() devobj = self.sriov_vf_devices[0] parent = self._get_parent_by_address(devobj.parent_addr) parent.status = fields.PciDeviceStatus.CLAIMED self.assertRaises(exception.PciDevicePFInvalidStatus, devobj.claim, self.inst) def test_allocate_PF_fail(self): self._create_fake_instance() self._create_pci_devices() devobj = self.sriov_pf_devices[0] self.sriov_vf_devices[0].status = fields.PciDeviceStatus.CLAIMED self.assertRaises(exception.PciDeviceVFInvalidStatus, devobj.allocate, self.inst) def test_allocate_VF_fail(self): self._create_fake_instance() self._create_pci_devices() devobj = self.sriov_vf_devices[0] parent = self._get_parent_by_address(devobj.parent_addr) parent.status = fields.PciDeviceStatus.CLAIMED self.assertRaises(exception.PciDevicePFInvalidStatus, devobj.allocate, self.inst) def test_free_allocated_PF(self): self._create_fake_instance() self._create_pci_devices() devobj = self.sriov_pf_devices[0] devobj.claim(self.inst.uuid) devobj.allocate(self.inst) devobj.free(self.inst) self.assertEqual(devobj.status, fields.PciDeviceStatus.AVAILABLE) self.assertIsNone(devobj.instance_uuid) # check if the all the dependants are AVAILABLE self.assertTrue(all( [dev.status == fields.PciDeviceStatus.AVAILABLE for dev in self._get_children_by_parent_address( self.sriov_pf_devices[0].address)])) def test_free_allocated_VF(self): self._create_fake_instance() self._create_pci_devices() vf = self.sriov_vf_devices[0] dependents = self._get_children_by_parent_address(vf.parent_addr) for devobj in dependents: devobj.claim(self.inst.uuid) devobj.allocate(self.inst) self.assertEqual(devobj.status, fields.PciDeviceStatus.ALLOCATED) for devobj in dependents[:-1]: devobj.free(self.inst) # check if parent device status is still UNAVAILABLE parent = self._get_parent_by_address(devobj.parent_addr) self.assertEqual(fields.PciDeviceStatus.UNAVAILABLE, parent.status) devobj = dependents[-1] devobj.free(self.inst) # check if parent device status is now AVAILABLE parent = self._get_parent_by_address(devobj.parent_addr) self.assertEqual(fields.PciDeviceStatus.AVAILABLE, parent.status) class TestSRIOVPciDeviceListObject(test_objects._LocalTest, _TestSRIOVPciDeviceObject): pass class TestSRIOVPciDeviceListObjectRemote(test_objects._RemoteTest, _TestSRIOVPciDeviceObject): pass