LXR qemu/tests/qemu-iotests/240

   1#!/usr/bin/env python3
   2# group: quick
   3
   4# Test hot plugging and unplugging with iothreads
   5#
   6# Copyright (C) 2019 Igalia, S.L.
   7# Author: Alberto Garcia <berto@igalia.com>
   8#
   9# This program is free software; you can redistribute it and/or modify
  10# it under the terms of the GNU General Public License as published by
  11# the Free Software Foundation; either version 2 of the License, or
  12# (at your option) any later version.
  13#
  14# This program is distributed in the hope that it will be useful,
  15# but WITHOUT ANY WARRANTY; without even the implied warranty of
  16# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17# GNU General Public License for more details.
  18#
  19# You should have received a copy of the GNU General Public License
  20# along with this program.  If not, see <http://www.gnu.org/licenses/>.
  21
  22import iotests
  23import os
  24
  25nbd_sock = iotests.file_path('nbd.sock', base_dir=iotests.sock_dir)
  26
  27class TestCase(iotests.QMPTestCase):
  28    test_driver = "null-co"
  29
  30    def required_drivers(self):
  31        return [self.test_driver]
  32
  33    @iotests.skip_if_unsupported(required_drivers)
  34    def setUp(self):
  35        self.vm = iotests.VM()
  36        self.vm.launch()
  37
  38    def tearDown(self):
  39        self.vm.shutdown()
  40
  41    def test1(self):
  42        iotests.log('==Unplug a SCSI disk and then plug it again==')
  43        self.vm.qmp_log('blockdev-add', driver='null-co', read_zeroes=True, node_name='hd0')
  44        self.vm.qmp_log('object-add', qom_type='iothread', id="iothread0")
  45        self.vm.qmp_log('device_add', id='scsi0', driver='virtio-scsi', iothread='iothread0', filters=[iotests.filter_qmp_virtio_scsi])
  46        self.vm.qmp_log('device_add', id='scsi-hd0', driver='scsi-hd', drive='hd0')
  47        self.vm.qmp_log('device_del', id='scsi-hd0')
  48        self.vm.event_wait('DEVICE_DELETED')
  49        self.vm.qmp_log('device_add', id='scsi-hd0', driver='scsi-hd', drive='hd0')
  50        self.vm.qmp_log('device_del', id='scsi-hd0')
  51        self.vm.event_wait('DEVICE_DELETED')
  52        self.vm.qmp_log('blockdev-del', node_name='hd0')
  53
  54    def test2(self):
  55        iotests.log('==Attach two SCSI disks using the same block device and the same iothread==')
  56        self.vm.qmp_log('blockdev-add', driver='null-co', read_zeroes=True, node_name='hd0', read_only=True)
  57        self.vm.qmp_log('object-add', qom_type='iothread', id="iothread0")
  58        self.vm.qmp_log('device_add', id='scsi0', driver='virtio-scsi', iothread='iothread0', filters=[iotests.filter_qmp_virtio_scsi])
  59
  60        self.vm.qmp_log('device_add', id='scsi-hd0', driver='scsi-hd', drive='hd0')
  61        self.vm.qmp_log('device_add', id='scsi-hd1', driver='scsi-hd', drive='hd0')
  62        self.vm.qmp_log('device_del', id='scsi-hd0')
  63        self.vm.event_wait('DEVICE_DELETED')
  64        self.vm.qmp_log('device_del', id='scsi-hd1')
  65        self.vm.event_wait('DEVICE_DELETED')
  66        self.vm.qmp_log('blockdev-del', node_name='hd0')
  67
  68    def test3(self):
  69        iotests.log('==Attach two SCSI disks using the same block device but different iothreads==')
  70
  71        self.vm.qmp_log('blockdev-add', driver='null-co', read_zeroes=True, node_name='hd0', read_only=True)
  72
  73        self.vm.qmp_log('object-add', qom_type='iothread', id="iothread0")
  74        self.vm.qmp_log('object-add', qom_type='iothread', id="iothread1")
  75
  76        self.vm.qmp_log('device_add', id='scsi0', driver='virtio-scsi', iothread='iothread0', filters=[iotests.filter_qmp_virtio_scsi])
  77        self.vm.qmp_log('device_add', id='scsi1', driver='virtio-scsi', iothread='iothread1', filters=[iotests.filter_qmp_virtio_scsi])
  78
  79        self.vm.qmp_log('device_add', id='scsi-hd0', driver='scsi-hd', drive='hd0', bus="scsi0.0")
  80        self.vm.qmp_log('device_add', id='scsi-hd1', driver='scsi-hd', drive='hd0', bus="scsi1.0")
  81
  82        self.vm.qmp_log('device_del', id='scsi-hd0')
  83        self.vm.event_wait('DEVICE_DELETED')
  84        self.vm.qmp_log('device_add', id='scsi-hd1', driver='scsi-hd', drive='hd0', bus="scsi1.0")
  85
  86        self.vm.qmp_log('device_del', id='scsi-hd1')
  87        self.vm.event_wait('DEVICE_DELETED')
  88        self.vm.qmp_log('blockdev-del', node_name='hd0')
  89
  90    def test4(self):
  91        iotests.log('==Attach a SCSI disks using the same block device as a NBD server==')
  92
  93        self.vm.qmp_log('blockdev-add', driver='null-co', read_zeroes=True, node_name='hd0', read_only=True)
  94
  95        self.vm.qmp_log('nbd-server-start',
  96                        filters=[iotests.filter_qmp_testfiles],
  97                        addr={'type':'unix', 'data':{'path':nbd_sock}})
  98
  99        self.vm.qmp_log('nbd-server-add', device='hd0')
 100
 101        self.vm.qmp_log('object-add', qom_type='iothread', id="iothread0")
 102        self.vm.qmp_log('device_add', id='scsi0', driver='virtio-scsi', iothread='iothread0', filters=[iotests.filter_qmp_virtio_scsi])
 103        self.vm.qmp_log('device_add', id='scsi-hd0', driver='scsi-hd', drive='hd0')
 104
 105if __name__ == '__main__':
 106    iotests.activate_logging()
 107    iotests.main()
 108