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# Copyright 2018 Intel, 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.
import mock
import os
import subprocess
import fixtures
from cyborg.accelerator.drivers.fpga.base import FPGADriver
from cyborg.accelerator.drivers.fpga.intel import sysinfo
from cyborg.tests import base
from cyborg.tests.unit.accelerator.drivers.fpga.intel import prepare_test_data
class TestFPGADriver(base.TestCase):
def setUp(self):
super(TestFPGADriver, self).setUp()
self.syspath = sysinfo.SYS_FPGA
sysinfo.SYS_FPGA = "/sys/class/fpga"
tmp_sys_dir = self.useFixture(fixtures.TempDir())
prepare_test_data.create_fake_sysfs(tmp_sys_dir.path)
sysinfo.SYS_FPGA = os.path.join(
tmp_sys_dir.path, sysinfo.SYS_FPGA.split("/", 1)[-1])
def tearDown(self):
super(TestFPGADriver, self).tearDown()
sysinfo.SYS_FPGA = self.syspath
def test_create(self):
FPGADriver.create("intel")
self.assertRaises(LookupError, FPGADriver.create, "xilinx")
def test_discover(self):
d = FPGADriver()
self.assertRaises(NotImplementedError, d.discover)
def test_program(self):
d = FPGADriver()
self.assertRaises(NotImplementedError, d.program, "path", "image")
def test_intel_discover(self):
expect = [{'function': 'pf', 'assignable': False, 'pr_num': '1',
'vendor_id': '0x8086', 'devices': '0000:5e:00.0',
'regions': [{
'function': 'vf', 'assignable': True,
'product_id': '0xbcc1',
'name': 'intel-fpga-dev.2',
'parent_devices': '0000:5e:00.0',
'path': '%s/intel-fpga-dev.2' % sysinfo.SYS_FPGA,
'vendor_id': '0x8086',
'devices': '0000:5e:00.1'}],
'name': 'intel-fpga-dev.0',
'parent_devices': '',
'path': '%s/intel-fpga-dev.0' % sysinfo.SYS_FPGA,
'product_id': '0xbcc0'},
{'function': 'pf', 'assignable': True, 'pr_num': '0',
'vendor_id': '0x8086', 'devices': '0000:be:00.0',
'name': 'intel-fpga-dev.1',
'parent_devices': '',
'path': '%s/intel-fpga-dev.1' % sysinfo.SYS_FPGA,
'product_id': '0xbcc0'}]
expect.sort()
intel = FPGADriver.create("intel")
fpgas = intel.discover()
fpgas.sort()
self.assertEqual(2, len(fpgas))
self.assertEqual(fpgas, expect)
@mock.patch.object(subprocess, 'Popen', autospec=True)
def test_intel_program(self, mock_popen):
class p(object):
returncode = 0
def wait(self):
pass
b = "0x5e"
d = "0x00"
f = "0x0"
expect_cmd = ['sudo', 'fpgaconf', '-b', b,
'-d', d, '-f', f, '/path/image']
mock_popen.return_value = p()
intel = FPGADriver.create("intel")
# program VF
intel.program("0000:5e:00.1", "/path/image")
mock_popen.assert_called_with(expect_cmd, stdout=subprocess.PIPE)
# program PF
intel.program("0000:5e:00.0", "/path/image")
mock_popen.assert_called_with(expect_cmd, stdout=subprocess.PIPE)
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