iotests: Add poke_file_[bl]e functions

[qemu.git] / tests / qemu-iotests / 238

#!/usr/bin/env python3
#
# Regression test for throttle group member unregister segfault with iothread
#
# Copyright (c) 2019 Red Hat, Inc.
#
# 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 sys
import os
import iotests
from iotests import log

virtio_scsi_device = iotests.get_virtio_scsi_device()

vm = iotests.VM()
vm.launch()

log(vm.qmp('blockdev-add', node_name='hd0', driver='null-co', read_zeroes=True))
log(vm.qmp('object-add', qom_type='iothread', id='iothread0'))
log(vm.qmp('device_add', id='scsi0', driver=virtio_scsi_device, iothread='iothread0'))
log(vm.qmp('device_add', id='scsi-hd0', driver='scsi-hd', drive='hd0'))
log(vm.qmp('block_set_io_throttle', id='scsi-hd0', bps=0, bps_rd=0, bps_wr=0,
           iops=1000, iops_rd=0, iops_wr=0, conv_keys=False))
log(vm.qmp('device_del', id='scsi-hd0'))

vm.shutdown()