xemu/tests/qemu-iotests/240
Maxim Levitsky c6ac463631 iotests: rewrite iotest 240 in python
The recent changes that brought RCU delayed device deletion,
broke few tests and this test breakage went unnoticed.

Fix this test by rewriting it in python
(which allows to wait for DEVICE_DELETED events before continuing).

Signed-off-by: Maxim Levitsky <mlevitsk@redhat.com>
Tested-by: Christian Borntraeger <borntraeger@de.ibm.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20201104185025.434703-3-mlevitsk@redhat.com>
Signed-off-by: Max Reitz <mreitz@redhat.com>
2020-11-09 15:44:21 +01:00

107 lines
4.9 KiB
Python
Executable File

#!/usr/bin/env python3
# Test hot plugging and unplugging with iothreads
#
# Copyright (C) 2019 Igalia, S.L.
# Author: Alberto Garcia <berto@igalia.com>
#
# 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, see <http://www.gnu.org/licenses/>.
import iotests
import os
nbd_sock = iotests.file_path('nbd.sock', base_dir=iotests.sock_dir)
class TestCase(iotests.QMPTestCase):
test_driver = "null-co"
def required_drivers(self):
return [self.test_driver]
@iotests.skip_if_unsupported(required_drivers)
def setUp(self):
self.vm = iotests.VM()
self.vm.launch()
def tearDown(self):
self.vm.shutdown()
def test1(self):
iotests.log('==Unplug a SCSI disk and then plug it again==')
self.vm.qmp_log('blockdev-add', driver='null-co', read_zeroes=True, node_name='hd0')
self.vm.qmp_log('object-add', qom_type='iothread', id="iothread0")
self.vm.qmp_log('device_add', id='scsi0', driver=iotests.get_virtio_scsi_device(), iothread='iothread0', filters=[iotests.filter_qmp_virtio_scsi])
self.vm.qmp_log('device_add', id='scsi-hd0', driver='scsi-hd', drive='hd0')
self.vm.qmp_log('device_del', id='scsi-hd0')
self.vm.event_wait('DEVICE_DELETED')
self.vm.qmp_log('device_add', id='scsi-hd0', driver='scsi-hd', drive='hd0')
self.vm.qmp_log('device_del', id='scsi-hd0')
self.vm.event_wait('DEVICE_DELETED')
self.vm.qmp_log('blockdev-del', node_name='hd0')
def test2(self):
iotests.log('==Attach two SCSI disks using the same block device and the same iothread==')
self.vm.qmp_log('blockdev-add', driver='null-co', read_zeroes=True, node_name='hd0', read_only=True)
self.vm.qmp_log('object-add', qom_type='iothread', id="iothread0")
self.vm.qmp_log('device_add', id='scsi0', driver=iotests.get_virtio_scsi_device(), iothread='iothread0', filters=[iotests.filter_qmp_virtio_scsi])
self.vm.qmp_log('device_add', id='scsi-hd0', driver='scsi-hd', drive='hd0')
self.vm.qmp_log('device_add', id='scsi-hd1', driver='scsi-hd', drive='hd0')
self.vm.qmp_log('device_del', id='scsi-hd0')
self.vm.event_wait('DEVICE_DELETED')
self.vm.qmp_log('device_del', id='scsi-hd1')
self.vm.event_wait('DEVICE_DELETED')
self.vm.qmp_log('blockdev-del', node_name='hd0')
def test3(self):
iotests.log('==Attach two SCSI disks using the same block device but different iothreads==')
self.vm.qmp_log('blockdev-add', driver='null-co', read_zeroes=True, node_name='hd0', read_only=True)
self.vm.qmp_log('object-add', qom_type='iothread', id="iothread0")
self.vm.qmp_log('object-add', qom_type='iothread', id="iothread1")
self.vm.qmp_log('device_add', id='scsi0', driver=iotests.get_virtio_scsi_device(), iothread='iothread0', filters=[iotests.filter_qmp_virtio_scsi])
self.vm.qmp_log('device_add', id='scsi1', driver=iotests.get_virtio_scsi_device(), iothread='iothread1', filters=[iotests.filter_qmp_virtio_scsi])
self.vm.qmp_log('device_add', id='scsi-hd0', driver='scsi-hd', drive='hd0', bus="scsi0.0")
self.vm.qmp_log('device_add', id='scsi-hd1', driver='scsi-hd', drive='hd0', bus="scsi1.0")
self.vm.qmp_log('device_del', id='scsi-hd0')
self.vm.event_wait('DEVICE_DELETED')
self.vm.qmp_log('device_add', id='scsi-hd1', driver='scsi-hd', drive='hd0', bus="scsi1.0")
self.vm.qmp_log('device_del', id='scsi-hd1')
self.vm.event_wait('DEVICE_DELETED')
self.vm.qmp_log('blockdev-del', node_name='hd0')
def test4(self):
iotests.log('==Attach a SCSI disks using the same block device as a NBD server==')
self.vm.qmp_log('blockdev-add', driver='null-co', read_zeroes=True, node_name='hd0', read_only=True)
self.vm.qmp_log('nbd-server-start',
filters=[iotests.filter_qmp_testfiles],
addr={'type':'unix', 'data':{'path':nbd_sock}})
self.vm.qmp_log('nbd-server-add', device='hd0')
self.vm.qmp_log('object-add', qom_type='iothread', id="iothread0")
self.vm.qmp_log('device_add', id='scsi0', driver=iotests.get_virtio_scsi_device(), iothread='iothread0', filters=[iotests.filter_qmp_virtio_scsi])
self.vm.qmp_log('device_add', id='scsi-hd0', driver='scsi-hd', drive='hd0')
if __name__ == '__main__':
iotests.activate_logging()
iotests.main()