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
  22 import iotests
  23 import os
  24
  25 nbd_sock = iotests.file_path('nbd.sock', base_dir=iotests.sock_dir)
  26
  27 class 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
 105 if __name__ == '__main__':
 106     iotests.activate_logging()
 107     iotests.main()