# pylint: disable=protected-access,pointless-statement # # The Qubes OS Project, https://www.qubes-os.org/ # # Copyright (C) 2015-2016 Joanna Rutkowska # Copyright (C) 2015-2016 Wojtek Porczyk # # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation; either version 2 of the License, or # (at your option) any later version. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License along # with this program; if not, write to the Free Software Foundation, Inc., # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. # import os import subprocess import time import unittest import qubes.devices import qubes.ext.pci import qubes.tests class TC_00_Devices_PCI(qubes.tests.SystemTestsMixin, qubes.tests.QubesTestCase): def setUp(self): super(TC_00_Devices_PCI, self).setUp() if self._testMethodName not in ['test_000_list']: pcidev = os.environ.get('QUBES_TEST_PCIDEV', None) if pcidev is None: self.skipTest('Specify PCI device with QUBES_TEST_PCIDEV ' 'environment variable') self.dev = self.app.domains[0].devices['pci'][pcidev] if isinstance(self.dev, qubes.devices.UnknownDevice): self.skipTest('Specified device {} does not exists'.format(pcidev)) self.init_default_template() self.vm = self.app.add_new_vm(qubes.vm.appvm.AppVM, name=self.make_vm_name('vm'), label='red', ) self.vm.create_on_disk() self.vm.features['pci-no-strict-reset/' + pcidev] = True self.app.save() @unittest.expectedFailure def test_000_list(self): p = subprocess.Popen(['lspci'], stdout=subprocess.PIPE) # get a dict: BDF -> description actual_devices = dict( l.split(' (')[0].split(' ', 1) for l in p.communicate()[0].decode().splitlines()) for dev in self.app.domains[0].devices['pci']: self.assertIsInstance(dev, qubes.ext.pci.PCIDevice) self.assertEqual(dev.backend_domain, self.app.domains[0]) self.assertIn(dev.ident, actual_devices) self.assertEqual(dev.description, actual_devices[dev.ident]) self.assertIsInstance(dev.frontend_domain, (qubes.vm.BaseVM, None.__class__)) actual_devices.pop(dev.ident) if actual_devices: self.fail('Not all devices listed, missing: {}'.format( actual_devices)) def test_010_attach_offline(self): self.assertIsNone(self.dev.frontend_domain) self.assertNotIn(self.dev, self.vm.devices['pci'].attached()) self.assertNotIn(self.dev, self.vm.devices['pci'].attached( persistent=True)) self.assertNotIn(self.dev, self.vm.devices['pci'].attached( persistent=False)) self.vm.devices['pci'].attach(self.dev) self.app.save() # still should be None, as domain is not started yet self.assertIsNone(self.dev.frontend_domain) self.assertIn(self.dev, self.vm.devices['pci'].attached()) self.assertIn(self.dev, self.vm.devices['pci'].attached( persistent=True)) self.assertNotIn(self.dev, self.vm.devices['pci'].attached( persistent=False)) self.vm.start() self.assertEqual(self.dev.frontend_domain, self.vm) self.assertIn(self.dev, self.vm.devices['pci'].attached()) self.assertIn(self.dev, self.vm.devices['pci'].attached( persistent=True)) self.assertNotIn(self.dev, self.vm.devices['pci'].attached( persistent=False)) p = self.vm.run('lspci', passio_popen=True) (stdout, _) = p.communicate() self.assertIn(self.dev.description, stdout) def test_011_attach_online(self): self.vm.start() self.vm.devices['pci'].attach(self.dev) self.assertEqual(self.dev.frontend_domain, self.vm) self.assertIn(self.dev, self.vm.devices['pci'].attached()) self.assertIn(self.dev, self.vm.devices['pci'].attached( persistent=True)) self.assertNotIn(self.dev, self.vm.devices['pci'].attached( persistent=False)) # give VM kernel some time to discover new device time.sleep(1) p = self.vm.run('lspci', passio_popen=True) (stdout, _) = p.communicate() self.assertIn(self.dev.description, stdout) def test_012_attach_online_temp(self): self.vm.start() self.vm.devices['pci'].attach(self.dev, persistent=False) self.assertEqual(self.dev.frontend_domain, self.vm) self.assertIn(self.dev, self.vm.devices['pci'].attached()) self.assertNotIn(self.dev, self.vm.devices['pci'].attached( persistent=True)) self.assertIn(self.dev, self.vm.devices['pci'].attached( persistent=False)) # give VM kernel some time to discover new device time.sleep(1) p = self.vm.run('lspci', passio_popen=True) (stdout, _) = p.communicate() self.assertIn(self.dev.description, stdout) def test_020_detach_online(self): self.vm.devices['pci'].attach(self.dev) self.app.save() self.vm.start() self.assertIn(self.dev, self.vm.devices['pci'].attached()) self.assertIn(self.dev, self.vm.devices['pci'].attached( persistent=True)) self.assertNotIn(self.dev, self.vm.devices['pci'].attached( persistent=False)) self.assertEqual(self.dev.frontend_domain, self.vm) self.vm.devices['pci'].detach(self.dev) self.assertIsNone(self.dev.frontend_domain) self.assertNotIn(self.dev, self.vm.devices['pci'].attached()) self.assertNotIn(self.dev, self.vm.devices['pci'].attached( persistent=True)) self.assertNotIn(self.dev, self.vm.devices['pci'].attached( persistent=False)) p = self.vm.run('lspci', passio_popen=True) (stdout, _) = p.communicate() self.assertNotIn(self.dev.description, stdout) # can't do this right now because of kernel bug - it cause the whole # PCI bus being deregistered, which emit some warning in sysfs # handling code (removing non-existing "0000:00" group) # # p = self.vm.run('dmesg', passio_popen=True) # (stdout, _) = p.communicate() # # check for potential oops # self.assertNotIn('end trace', stdout)