cachepc-qemu

Fork of AMDESE/qemu with changes for cachepc side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-qemu
Log | Files | Refs | Submodules | LICENSE | sfeed.txt

248 (2271B)

      1#!/usr/bin/env python3
      2# group: rw quick
      3#
      4# Test resume mirror after auto pause on ENOSPC
      5#
      6# Copyright (c) 2019 Virtuozzo International GmbH. All rights reserved.
      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
     22import iotests
     23from iotests import qemu_img_create, qemu_io, file_path, filter_qmp_testfiles
     24
     25iotests.script_initialize(supported_fmts=['qcow2'])
     26
     27source, target = file_path('source', 'target')
     28size = 5 * 1024 * 1024
     29limit = 2 * 1024 * 1024
     30
     31qemu_img_create('-f', iotests.imgfmt, source, str(size))
     32qemu_img_create('-f', iotests.imgfmt, target, str(size))
     33qemu_io('-c', 'write 0 {}'.format(size), source)
     34
     35# raw format don't like empty files
     36qemu_io('-c', 'write 0 {}'.format(size), target)
     37
     38vm = iotests.VM().add_drive(source)
     39vm.launch()
     40
     41blockdev_opts = {
     42    'driver': iotests.imgfmt,
     43    'node-name': 'target',
     44    'file': {
     45        'driver': 'raw',
     46        'size': limit,
     47        'file': {
     48            'driver': 'file',
     49            'filename': target
     50        }
     51    }
     52}
     53vm.qmp_log('blockdev-add', filters=[filter_qmp_testfiles], **blockdev_opts)
     54
     55vm.qmp_log('blockdev-mirror', device='drive0', sync='full', target='target',
     56           on_target_error='enospc')
     57
     58vm.event_wait('JOB_STATUS_CHANGE', timeout=3.0,
     59              match={'data': {'status': 'paused'}})
     60
     61# drop other cached events, to not interfere with further wait for 'running'
     62vm.get_qmp_events()
     63
     64del blockdev_opts['file']['size']
     65vm.qmp_log('blockdev-reopen', filters=[filter_qmp_testfiles],
     66           options = [ blockdev_opts ])
     67
     68vm.qmp_log('block-job-resume', device='drive0')
     69vm.event_wait('JOB_STATUS_CHANGE', timeout=1.0,
     70              match={'data': {'status': 'running'}})
     71
     72vm.shutdown()