xref: /openbmc/qemu/tests/qemu-iotests/129 (revision 831734cc) 
1#!/usr/bin/env python3
2# group: rw quick
3#
4# Tests that "bdrv_drain_all" doesn't drain block jobs
5#
6# Copyright (C) 2015 Red Hat, Inc.
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 os
23import iotests
24import time
25
26class TestStopWithBlockJob(iotests.QMPTestCase):
27    test_img = os.path.join(iotests.test_dir, 'test.img')
28    target_img = os.path.join(iotests.test_dir, 'target.img')
29    base_img = os.path.join(iotests.test_dir, 'base.img')
30
31    def setUp(self):
32        iotests.qemu_img('create', '-f', iotests.imgfmt, self.base_img, "1G")
33        iotests.qemu_img('create', '-f', iotests.imgfmt, self.test_img,
34                         "-b", self.base_img, '-F', iotests.imgfmt)
35        iotests.qemu_io('-f', iotests.imgfmt, '-c', 'write -P0x5d 1M 128M', self.test_img)
36        self.vm = iotests.VM().add_drive(self.test_img)
37        self.vm.launch()
38
39    def tearDown(self):
40        params = {"device": "drive0",
41                  "bps": 0,
42                  "bps_rd": 0,
43                  "bps_wr": 0,
44                  "iops": 0,
45                  "iops_rd": 0,
46                  "iops_wr": 0,
47                 }
48        result = self.vm.qmp("block_set_io_throttle", conv_keys=False,
49                             **params)
50        self.vm.shutdown()
51
52    def do_test_stop(self, cmd, **args):
53        """Test 'stop' while block job is running on a throttled drive.
54        The 'stop' command shouldn't drain the job"""
55        params = {"device": "drive0",
56                  "bps": 1024,
57                  "bps_rd": 0,
58                  "bps_wr": 0,
59                  "iops": 0,
60                  "iops_rd": 0,
61                  "iops_wr": 0,
62                 }
63        result = self.vm.qmp("block_set_io_throttle", conv_keys=False,
64                             **params)
65        self.assert_qmp(result, 'return', {})
66        result = self.vm.qmp(cmd, **args)
67        self.assert_qmp(result, 'return', {})
68        result = self.vm.qmp("stop")
69        self.assert_qmp(result, 'return', {})
70        result = self.vm.qmp("query-block-jobs")
71        self.assert_qmp(result, 'return[0]/busy', True)
72        self.assert_qmp(result, 'return[0]/ready', False)
73
74    def test_drive_mirror(self):
75        self.do_test_stop("drive-mirror", device="drive0",
76                          target=self.target_img,
77                          sync="full")
78
79    def test_drive_backup(self):
80        self.do_test_stop("drive-backup", device="drive0",
81                          target=self.target_img,
82                          sync="full")
83
84    def test_block_commit(self):
85        self.do_test_stop("block-commit", device="drive0")
86
87if __name__ == '__main__':
88    iotests.main(supported_fmts=["qcow2"],
89                 supported_protocols=["file"])
90