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Diffstat (limited to 'tests/avocado/virtio_version.py')
| -rw-r--r-- | tests/avocado/virtio_version.py | 175 |
1 files changed, 0 insertions, 175 deletions
diff --git a/tests/avocado/virtio_version.py b/tests/avocado/virtio_version.py deleted file mode 100644 index afe5e82..0000000 --- a/tests/avocado/virtio_version.py +++ /dev/null @@ -1,175 +0,0 @@ -""" -Check compatibility of virtio device types -""" -# Copyright (c) 2018 Red Hat, Inc. -# -# Author: -# Eduardo Habkost <ehabkost@redhat.com> -# -# This work is licensed under the terms of the GNU GPL, version 2 or -# later. See the COPYING file in the top-level directory. -import sys -import os - -from qemu.machine import QEMUMachine -from avocado_qemu import QemuSystemTest - -# Virtio Device IDs: -VIRTIO_NET = 1 -VIRTIO_BLOCK = 2 -VIRTIO_CONSOLE = 3 -VIRTIO_RNG = 4 -VIRTIO_BALLOON = 5 -VIRTIO_RPMSG = 7 -VIRTIO_SCSI = 8 -VIRTIO_9P = 9 -VIRTIO_RPROC_SERIAL = 11 -VIRTIO_CAIF = 12 -VIRTIO_GPU = 16 -VIRTIO_INPUT = 18 -VIRTIO_VSOCK = 19 -VIRTIO_CRYPTO = 20 - -PCI_VENDOR_ID_REDHAT_QUMRANET = 0x1af4 - -# Device IDs for legacy/transitional devices: -PCI_LEGACY_DEVICE_IDS = { - VIRTIO_NET: 0x1000, - VIRTIO_BLOCK: 0x1001, - VIRTIO_BALLOON: 0x1002, - VIRTIO_CONSOLE: 0x1003, - VIRTIO_SCSI: 0x1004, - VIRTIO_RNG: 0x1005, - VIRTIO_9P: 0x1009, - VIRTIO_VSOCK: 0x1012, -} - -def pci_modern_device_id(virtio_devid): - return virtio_devid + 0x1040 - -def devtype_implements(vm, devtype, implements): - return devtype in [d['name'] for d in - vm.cmd('qom-list-types', implements=implements)] - -def get_pci_interfaces(vm, devtype): - interfaces = ('pci-express-device', 'conventional-pci-device') - return [i for i in interfaces if devtype_implements(vm, devtype, i)] - -class VirtioVersionCheck(QemuSystemTest): - """ - Check if virtio-version-specific device types result in the - same device tree created by `disable-modern` and - `disable-legacy`. - - :avocado: tags=arch:x86_64 - """ - - # just in case there are failures, show larger diff: - maxDiff = 4096 - - def run_device(self, devtype, opts=None, machine='pc'): - """ - Run QEMU with `-device DEVTYPE`, return device info from `query-pci` - """ - with QEMUMachine(self.qemu_bin) as vm: - vm.set_machine(machine) - if opts: - devtype += ',' + opts - vm.add_args('-device', '%s,id=devfortest' % (devtype)) - vm.add_args('-S') - vm.launch() - - pcibuses = vm.cmd('query-pci') - alldevs = [dev for bus in pcibuses for dev in bus['devices']] - devfortest = [dev for dev in alldevs - if dev['qdev_id'] == 'devfortest'] - return devfortest[0], get_pci_interfaces(vm, devtype) - - - def assert_devids(self, dev, devid, non_transitional=False): - self.assertEqual(dev['id']['vendor'], PCI_VENDOR_ID_REDHAT_QUMRANET) - self.assertEqual(dev['id']['device'], devid) - if non_transitional: - self.assertTrue(0x1040 <= dev['id']['device'] <= 0x107f) - self.assertGreaterEqual(dev['id']['subsystem'], 0x40) - - def check_all_variants(self, qemu_devtype, virtio_devid): - """Check if a virtio device type and its variants behave as expected""" - # Force modern mode: - dev_modern, _ = self.run_device(qemu_devtype, - 'disable-modern=off,disable-legacy=on') - self.assert_devids(dev_modern, pci_modern_device_id(virtio_devid), - non_transitional=True) - - # <prefix>-non-transitional device types should be 100% equivalent to - # <prefix>,disable-modern=off,disable-legacy=on - dev_1_0, nt_ifaces = self.run_device('%s-non-transitional' % (qemu_devtype)) - self.assertEqual(dev_modern, dev_1_0) - - # Force transitional mode: - dev_trans, _ = self.run_device(qemu_devtype, - 'disable-modern=off,disable-legacy=off') - self.assert_devids(dev_trans, PCI_LEGACY_DEVICE_IDS[virtio_devid]) - - # Force legacy mode: - dev_legacy, _ = self.run_device(qemu_devtype, - 'disable-modern=on,disable-legacy=off') - self.assert_devids(dev_legacy, PCI_LEGACY_DEVICE_IDS[virtio_devid]) - - # No options: default to transitional on PC machine-type: - no_opts_pc, generic_ifaces = self.run_device(qemu_devtype) - self.assertEqual(dev_trans, no_opts_pc) - - #TODO: check if plugging on a PCI Express bus will make the - # device non-transitional - #no_opts_q35 = self.run_device(qemu_devtype, machine='q35') - #self.assertEqual(dev_modern, no_opts_q35) - - # <prefix>-transitional device types should be 100% equivalent to - # <prefix>,disable-modern=off,disable-legacy=off - dev_trans, trans_ifaces = self.run_device('%s-transitional' % (qemu_devtype)) - self.assertEqual(dev_trans, dev_trans) - - # ensure the interface information is correct: - self.assertIn('conventional-pci-device', generic_ifaces) - self.assertIn('pci-express-device', generic_ifaces) - - self.assertIn('conventional-pci-device', nt_ifaces) - self.assertIn('pci-express-device', nt_ifaces) - - self.assertIn('conventional-pci-device', trans_ifaces) - self.assertNotIn('pci-express-device', trans_ifaces) - - - def test_conventional_devs(self): - self.check_all_variants('virtio-net-pci', VIRTIO_NET) - # virtio-blk requires 'driver' parameter - #self.check_all_variants('virtio-blk-pci', VIRTIO_BLOCK) - self.check_all_variants('virtio-serial-pci', VIRTIO_CONSOLE) - self.check_all_variants('virtio-rng-pci', VIRTIO_RNG) - self.check_all_variants('virtio-balloon-pci', VIRTIO_BALLOON) - self.check_all_variants('virtio-scsi-pci', VIRTIO_SCSI) - # virtio-9p requires 'fsdev' parameter - #self.check_all_variants('virtio-9p-pci', VIRTIO_9P) - - def check_modern_only(self, qemu_devtype, virtio_devid): - """Check if a modern-only virtio device type behaves as expected""" - # Force modern mode: - dev_modern, _ = self.run_device(qemu_devtype, - 'disable-modern=off,disable-legacy=on') - self.assert_devids(dev_modern, pci_modern_device_id(virtio_devid), - non_transitional=True) - - # No options: should be modern anyway - dev_no_opts, ifaces = self.run_device(qemu_devtype) - self.assertEqual(dev_modern, dev_no_opts) - - self.assertIn('conventional-pci-device', ifaces) - self.assertIn('pci-express-device', ifaces) - - def test_modern_only_devs(self): - self.check_modern_only('virtio-vga', VIRTIO_GPU) - self.check_modern_only('virtio-gpu-pci', VIRTIO_GPU) - self.check_modern_only('virtio-mouse-pci', VIRTIO_INPUT) - self.check_modern_only('virtio-tablet-pci', VIRTIO_INPUT) - self.check_modern_only('virtio-keyboard-pci', VIRTIO_INPUT) |