xref: /openbmc/qemu/tests/qemu-iotests/129 (revision 250bc43a) 
1#!/usr/bin/env python3
2#
3# Tests that "bdrv_drain_all" doesn't drain block jobs
4#
5# Copyright (C) 2015 Red Hat, Inc.
6#
7# This program is free software; you can redistribute it and/or modify
8# it under the terms of the GNU General Public License as published by
9# the Free Software Foundation; either version 2 of the License, or
10# (at your option) any later version.
11#
12# This program is distributed in the hope that it will be useful,
13# but WITHOUT ANY WARRANTY; without even the implied warranty of
14# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15# GNU General Public License for more details.
16#
17# You should have received a copy of the GNU General Public License
18# along with this program.  If not, see <http://www.gnu.org/licenses/>.
19#
20
21import os
22import iotests
23import time
24
25class TestStopWithBlockJob(iotests.QMPTestCase):
26    test_img = os.path.join(iotests.test_dir, 'test.img')
27    target_img = os.path.join(iotests.test_dir, 'target.img')
28    base_img = os.path.join(iotests.test_dir, 'base.img')
29
30    def setUp(self):
31        iotests.qemu_img('create', '-f', iotests.imgfmt, self.base_img, "1G")
32        iotests.qemu_img('create', '-f', iotests.imgfmt, self.test_img, "-b", self.base_img)
33        iotests.qemu_io('-f', iotests.imgfmt, '-c', 'write -P0x5d 1M 128M', self.test_img)
34        self.vm = iotests.VM().add_drive(self.test_img)
35        self.vm.launch()
36
37    def tearDown(self):
38        params = {"device": "drive0",
39                  "bps": 0,
40                  "bps_rd": 0,
41                  "bps_wr": 0,
42                  "iops": 0,
43                  "iops_rd": 0,
44                  "iops_wr": 0,
45                 }
46        result = self.vm.qmp("block_set_io_throttle", conv_keys=False,
47                             **params)
48        self.vm.shutdown()
49
50    def do_test_stop(self, cmd, **args):
51        """Test 'stop' while block job is running on a throttled drive.
52        The 'stop' command shouldn't drain the job"""
53        params = {"device": "drive0",
54                  "bps": 1024,
55                  "bps_rd": 0,
56                  "bps_wr": 0,
57                  "iops": 0,
58                  "iops_rd": 0,
59                  "iops_wr": 0,
60                 }
61        result = self.vm.qmp("block_set_io_throttle", conv_keys=False,
62                             **params)
63        self.assert_qmp(result, 'return', {})
64        result = self.vm.qmp(cmd, **args)
65        self.assert_qmp(result, 'return', {})
66        result = self.vm.qmp("stop")
67        self.assert_qmp(result, 'return', {})
68        result = self.vm.qmp("query-block-jobs")
69        self.assert_qmp(result, 'return[0]/busy', True)
70        self.assert_qmp(result, 'return[0]/ready', False)
71
72    def test_drive_mirror(self):
73        self.do_test_stop("drive-mirror", device="drive0",
74                          target=self.target_img,
75                          sync="full")
76
77    def test_drive_backup(self):
78        self.do_test_stop("drive-backup", device="drive0",
79                          target=self.target_img,
80                          sync="full")
81
82    def test_block_commit(self):
83        self.do_test_stop("block-commit", device="drive0")
84
85if __name__ == '__main__':
86    iotests.main(supported_fmts=["qcow2"],
87                 supported_protocols=["file"])
88