tests/qemu-iotests/240

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