137ce63ebSStefan Hajnoczi#!/usr/bin/env python 237ce63ebSStefan Hajnoczi# 337ce63ebSStefan Hajnoczi# Tests for image streaming. 437ce63ebSStefan Hajnoczi# 537ce63ebSStefan Hajnoczi# Copyright (C) 2012 IBM Corp. 637ce63ebSStefan Hajnoczi# 737ce63ebSStefan Hajnoczi# This program is free software; you can redistribute it and/or modify 837ce63ebSStefan Hajnoczi# it under the terms of the GNU General Public License as published by 937ce63ebSStefan Hajnoczi# the Free Software Foundation; either version 2 of the License, or 1037ce63ebSStefan Hajnoczi# (at your option) any later version. 1137ce63ebSStefan Hajnoczi# 1237ce63ebSStefan Hajnoczi# This program is distributed in the hope that it will be useful, 1337ce63ebSStefan Hajnoczi# but WITHOUT ANY WARRANTY; without even the implied warranty of 1437ce63ebSStefan Hajnoczi# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 1537ce63ebSStefan Hajnoczi# GNU General Public License for more details. 1637ce63ebSStefan Hajnoczi# 1737ce63ebSStefan Hajnoczi# You should have received a copy of the GNU General Public License 1837ce63ebSStefan Hajnoczi# along with this program. If not, see <http://www.gnu.org/licenses/>. 1937ce63ebSStefan Hajnoczi# 2037ce63ebSStefan Hajnoczi 210c817347SPaolo Bonziniimport time 2237ce63ebSStefan Hajnocziimport os 2337ce63ebSStefan Hajnocziimport iotests 2437ce63ebSStefan Hajnoczifrom iotests import qemu_img, qemu_io 2537ce63ebSStefan Hajnoczi 2637ce63ebSStefan Hajnoczibacking_img = os.path.join(iotests.test_dir, 'backing.img') 276e343609SPaolo Bonzinimid_img = os.path.join(iotests.test_dir, 'mid.img') 2837ce63ebSStefan Hajnoczitest_img = os.path.join(iotests.test_dir, 'test.img') 2937ce63ebSStefan Hajnoczi 302499a096SStefan Hajnocziclass TestSingleDrive(iotests.QMPTestCase): 3137ce63ebSStefan Hajnoczi image_len = 1 * 1024 * 1024 # MB 3237ce63ebSStefan Hajnoczi 3337ce63ebSStefan Hajnoczi def setUp(self): 342499a096SStefan Hajnoczi iotests.create_image(backing_img, TestSingleDrive.image_len) 356e343609SPaolo Bonzini qemu_img('create', '-f', iotests.imgfmt, '-o', 'backing_file=%s' % backing_img, mid_img) 366e343609SPaolo Bonzini qemu_img('create', '-f', iotests.imgfmt, '-o', 'backing_file=%s' % mid_img, test_img) 3790c9b167SKevin Wolf qemu_io('-f', 'raw', '-c', 'write -P 0x1 0 512', backing_img) 385e302a7dSAlberto Garcia qemu_io('-f', iotests.imgfmt, '-c', 'write -P 0x1 524288 512', mid_img) 39*7b8a9e5aSAlberto Garcia self.vm = iotests.VM().add_drive("blkdebug::" + test_img, "backing.node-name=mid") 4037ce63ebSStefan Hajnoczi self.vm.launch() 4137ce63ebSStefan Hajnoczi 4237ce63ebSStefan Hajnoczi def tearDown(self): 4337ce63ebSStefan Hajnoczi self.vm.shutdown() 4437ce63ebSStefan Hajnoczi os.remove(test_img) 456e343609SPaolo Bonzini os.remove(mid_img) 4637ce63ebSStefan Hajnoczi os.remove(backing_img) 4737ce63ebSStefan Hajnoczi 4837ce63ebSStefan Hajnoczi def test_stream(self): 49ecc1c88eSStefan Hajnoczi self.assert_no_active_block_jobs() 5037ce63ebSStefan Hajnoczi 51db58f9c0SStefan Hajnoczi result = self.vm.qmp('block-stream', device='drive0') 5237ce63ebSStefan Hajnoczi self.assert_qmp(result, 'return', {}) 5337ce63ebSStefan Hajnoczi 549974ad40SFam Zheng self.wait_until_completed() 5537ce63ebSStefan Hajnoczi 56ecc1c88eSStefan Hajnoczi self.assert_no_active_block_jobs() 57863a5d04SPaolo Bonzini self.vm.shutdown() 5837ce63ebSStefan Hajnoczi 5990c9b167SKevin Wolf self.assertEqual(qemu_io('-f', 'raw', '-c', 'map', backing_img), 6090c9b167SKevin Wolf qemu_io('-f', iotests.imgfmt, '-c', 'map', test_img), 61efcc7a23SPaolo Bonzini 'image file map does not match backing file after streaming') 6237ce63ebSStefan Hajnoczi 63*7b8a9e5aSAlberto Garcia def test_stream_intermediate(self): 64*7b8a9e5aSAlberto Garcia self.assert_no_active_block_jobs() 65*7b8a9e5aSAlberto Garcia 66*7b8a9e5aSAlberto Garcia self.assertNotEqual(qemu_io('-f', 'raw', '-c', 'map', backing_img), 67*7b8a9e5aSAlberto Garcia qemu_io('-f', iotests.imgfmt, '-c', 'map', mid_img), 68*7b8a9e5aSAlberto Garcia 'image file map matches backing file before streaming') 69*7b8a9e5aSAlberto Garcia 70*7b8a9e5aSAlberto Garcia result = self.vm.qmp('block-stream', device='mid', job_id='stream-mid') 71*7b8a9e5aSAlberto Garcia self.assert_qmp(result, 'return', {}) 72*7b8a9e5aSAlberto Garcia 73*7b8a9e5aSAlberto Garcia self.wait_until_completed(drive='stream-mid') 74*7b8a9e5aSAlberto Garcia 75*7b8a9e5aSAlberto Garcia self.assert_no_active_block_jobs() 76*7b8a9e5aSAlberto Garcia self.vm.shutdown() 77*7b8a9e5aSAlberto Garcia 78*7b8a9e5aSAlberto Garcia self.assertEqual(qemu_io('-f', 'raw', '-c', 'map', backing_img), 79*7b8a9e5aSAlberto Garcia qemu_io('-f', iotests.imgfmt, '-c', 'map', mid_img), 80*7b8a9e5aSAlberto Garcia 'image file map does not match backing file after streaming') 81*7b8a9e5aSAlberto Garcia 820c817347SPaolo Bonzini def test_stream_pause(self): 83ecc1c88eSStefan Hajnoczi self.assert_no_active_block_jobs() 840c817347SPaolo Bonzini 85b59b3d57SFam Zheng self.vm.pause_drive('drive0') 860c817347SPaolo Bonzini result = self.vm.qmp('block-stream', device='drive0') 870c817347SPaolo Bonzini self.assert_qmp(result, 'return', {}) 880c817347SPaolo Bonzini 890c817347SPaolo Bonzini result = self.vm.qmp('block-job-pause', device='drive0') 900c817347SPaolo Bonzini self.assert_qmp(result, 'return', {}) 910c817347SPaolo Bonzini 920c817347SPaolo Bonzini time.sleep(1) 930c817347SPaolo Bonzini result = self.vm.qmp('query-block-jobs') 940c817347SPaolo Bonzini offset = self.dictpath(result, 'return[0]/offset') 950c817347SPaolo Bonzini 960c817347SPaolo Bonzini time.sleep(1) 970c817347SPaolo Bonzini result = self.vm.qmp('query-block-jobs') 980c817347SPaolo Bonzini self.assert_qmp(result, 'return[0]/offset', offset) 990c817347SPaolo Bonzini 1000c817347SPaolo Bonzini result = self.vm.qmp('block-job-resume', device='drive0') 1010c817347SPaolo Bonzini self.assert_qmp(result, 'return', {}) 1020c817347SPaolo Bonzini 103b59b3d57SFam Zheng self.vm.resume_drive('drive0') 1049974ad40SFam Zheng self.wait_until_completed() 1050c817347SPaolo Bonzini 106ecc1c88eSStefan Hajnoczi self.assert_no_active_block_jobs() 1070c817347SPaolo Bonzini self.vm.shutdown() 1080c817347SPaolo Bonzini 10990c9b167SKevin Wolf self.assertEqual(qemu_io('-f', 'raw', '-c', 'map', backing_img), 11090c9b167SKevin Wolf qemu_io('-f', iotests.imgfmt, '-c', 'map', test_img), 1110c817347SPaolo Bonzini 'image file map does not match backing file after streaming') 1120c817347SPaolo Bonzini 113409d5498SAlberto Garcia def test_stream_no_op(self): 114409d5498SAlberto Garcia self.assert_no_active_block_jobs() 115409d5498SAlberto Garcia 116409d5498SAlberto Garcia # The image map is empty before the operation 117409d5498SAlberto Garcia empty_map = qemu_io('-f', iotests.imgfmt, '-c', 'map', test_img) 118409d5498SAlberto Garcia 119409d5498SAlberto Garcia # This is a no-op: no data should ever be copied from the base image 120409d5498SAlberto Garcia result = self.vm.qmp('block-stream', device='drive0', base=mid_img) 121409d5498SAlberto Garcia self.assert_qmp(result, 'return', {}) 122409d5498SAlberto Garcia 123409d5498SAlberto Garcia self.wait_until_completed() 124409d5498SAlberto Garcia 125409d5498SAlberto Garcia self.assert_no_active_block_jobs() 126409d5498SAlberto Garcia self.vm.shutdown() 127409d5498SAlberto Garcia 128409d5498SAlberto Garcia self.assertEqual(qemu_io('-f', iotests.imgfmt, '-c', 'map', test_img), 129409d5498SAlberto Garcia empty_map, 'image file map changed after a no-op') 130409d5498SAlberto Garcia 1316e343609SPaolo Bonzini def test_stream_partial(self): 132ecc1c88eSStefan Hajnoczi self.assert_no_active_block_jobs() 1336e343609SPaolo Bonzini 1345e302a7dSAlberto Garcia result = self.vm.qmp('block-stream', device='drive0', base=backing_img) 1356e343609SPaolo Bonzini self.assert_qmp(result, 'return', {}) 1366e343609SPaolo Bonzini 1379974ad40SFam Zheng self.wait_until_completed() 1386e343609SPaolo Bonzini 139ecc1c88eSStefan Hajnoczi self.assert_no_active_block_jobs() 1406e343609SPaolo Bonzini self.vm.shutdown() 1416e343609SPaolo Bonzini 14290c9b167SKevin Wolf self.assertEqual(qemu_io('-f', iotests.imgfmt, '-c', 'map', mid_img), 14390c9b167SKevin Wolf qemu_io('-f', iotests.imgfmt, '-c', 'map', test_img), 1446e343609SPaolo Bonzini 'image file map does not match backing file after streaming') 1456e343609SPaolo Bonzini 14637ce63ebSStefan Hajnoczi def test_device_not_found(self): 147db58f9c0SStefan Hajnoczi result = self.vm.qmp('block-stream', device='nonexistent') 148b6c1bae5SKevin Wolf self.assert_qmp(result, 'error/class', 'GenericError') 14937ce63ebSStefan Hajnoczi 150774a8850SStefan Hajnoczi 1512499a096SStefan Hajnocziclass TestSmallerBackingFile(iotests.QMPTestCase): 152774a8850SStefan Hajnoczi backing_len = 1 * 1024 * 1024 # MB 153774a8850SStefan Hajnoczi image_len = 2 * backing_len 154774a8850SStefan Hajnoczi 155774a8850SStefan Hajnoczi def setUp(self): 1562499a096SStefan Hajnoczi iotests.create_image(backing_img, self.backing_len) 157774a8850SStefan Hajnoczi qemu_img('create', '-f', iotests.imgfmt, '-o', 'backing_file=%s' % backing_img, test_img, str(self.image_len)) 158774a8850SStefan Hajnoczi self.vm = iotests.VM().add_drive(test_img) 159774a8850SStefan Hajnoczi self.vm.launch() 160774a8850SStefan Hajnoczi 161774a8850SStefan Hajnoczi # If this hangs, then you are missing a fix to complete streaming when the 162774a8850SStefan Hajnoczi # end of the backing file is reached. 163774a8850SStefan Hajnoczi def test_stream(self): 164ecc1c88eSStefan Hajnoczi self.assert_no_active_block_jobs() 165774a8850SStefan Hajnoczi 166774a8850SStefan Hajnoczi result = self.vm.qmp('block-stream', device='drive0') 167774a8850SStefan Hajnoczi self.assert_qmp(result, 'return', {}) 168774a8850SStefan Hajnoczi 1699974ad40SFam Zheng self.wait_until_completed() 170774a8850SStefan Hajnoczi 171ecc1c88eSStefan Hajnoczi self.assert_no_active_block_jobs() 172774a8850SStefan Hajnoczi self.vm.shutdown() 173774a8850SStefan Hajnoczi 1742499a096SStefan Hajnocziclass TestErrors(iotests.QMPTestCase): 17590f0b711SPaolo Bonzini image_len = 2 * 1024 * 1024 # MB 17690f0b711SPaolo Bonzini 17790f0b711SPaolo Bonzini # this should match STREAM_BUFFER_SIZE/512 in block/stream.c 17890f0b711SPaolo Bonzini STREAM_BUFFER_SIZE = 512 * 1024 17990f0b711SPaolo Bonzini 18090f0b711SPaolo Bonzini def create_blkdebug_file(self, name, event, errno): 18190f0b711SPaolo Bonzini file = open(name, 'w') 18290f0b711SPaolo Bonzini file.write(''' 18390f0b711SPaolo Bonzini[inject-error] 18490f0b711SPaolo Bonzinistate = "1" 18590f0b711SPaolo Bonzinievent = "%s" 18690f0b711SPaolo Bonzinierrno = "%d" 18790f0b711SPaolo Bonziniimmediately = "off" 18890f0b711SPaolo Bonzinionce = "on" 18990f0b711SPaolo Bonzinisector = "%d" 19090f0b711SPaolo Bonzini 19190f0b711SPaolo Bonzini[set-state] 19290f0b711SPaolo Bonzinistate = "1" 19390f0b711SPaolo Bonzinievent = "%s" 19490f0b711SPaolo Bonzininew_state = "2" 19590f0b711SPaolo Bonzini 19690f0b711SPaolo Bonzini[set-state] 19790f0b711SPaolo Bonzinistate = "2" 19890f0b711SPaolo Bonzinievent = "%s" 19990f0b711SPaolo Bonzininew_state = "1" 20090f0b711SPaolo Bonzini''' % (event, errno, self.STREAM_BUFFER_SIZE / 512, event, event)) 20190f0b711SPaolo Bonzini file.close() 20290f0b711SPaolo Bonzini 20390f0b711SPaolo Bonziniclass TestEIO(TestErrors): 20490f0b711SPaolo Bonzini def setUp(self): 20590f0b711SPaolo Bonzini self.blkdebug_file = backing_img + ".blkdebug" 2062499a096SStefan Hajnoczi iotests.create_image(backing_img, TestErrors.image_len) 20790f0b711SPaolo Bonzini self.create_blkdebug_file(self.blkdebug_file, "read_aio", 5) 20890f0b711SPaolo Bonzini qemu_img('create', '-f', iotests.imgfmt, 20990f0b711SPaolo Bonzini '-o', 'backing_file=blkdebug:%s:%s,backing_fmt=raw' 21090f0b711SPaolo Bonzini % (self.blkdebug_file, backing_img), 21190f0b711SPaolo Bonzini test_img) 21290f0b711SPaolo Bonzini self.vm = iotests.VM().add_drive(test_img) 21390f0b711SPaolo Bonzini self.vm.launch() 21490f0b711SPaolo Bonzini 21590f0b711SPaolo Bonzini def tearDown(self): 21690f0b711SPaolo Bonzini self.vm.shutdown() 21790f0b711SPaolo Bonzini os.remove(test_img) 21890f0b711SPaolo Bonzini os.remove(backing_img) 21990f0b711SPaolo Bonzini os.remove(self.blkdebug_file) 22090f0b711SPaolo Bonzini 22190f0b711SPaolo Bonzini def test_report(self): 222ecc1c88eSStefan Hajnoczi self.assert_no_active_block_jobs() 22390f0b711SPaolo Bonzini 22490f0b711SPaolo Bonzini result = self.vm.qmp('block-stream', device='drive0') 22590f0b711SPaolo Bonzini self.assert_qmp(result, 'return', {}) 22690f0b711SPaolo Bonzini 22790f0b711SPaolo Bonzini completed = False 22890f0b711SPaolo Bonzini error = False 22990f0b711SPaolo Bonzini while not completed: 23090f0b711SPaolo Bonzini for event in self.vm.get_qmp_events(wait=True): 23190f0b711SPaolo Bonzini if event['event'] == 'BLOCK_JOB_ERROR': 23290f0b711SPaolo Bonzini self.assert_qmp(event, 'data/device', 'drive0') 23390f0b711SPaolo Bonzini self.assert_qmp(event, 'data/operation', 'read') 23490f0b711SPaolo Bonzini error = True 23590f0b711SPaolo Bonzini elif event['event'] == 'BLOCK_JOB_COMPLETED': 23690f0b711SPaolo Bonzini self.assertTrue(error, 'job completed unexpectedly') 23790f0b711SPaolo Bonzini self.assert_qmp(event, 'data/type', 'stream') 23890f0b711SPaolo Bonzini self.assert_qmp(event, 'data/device', 'drive0') 23990f0b711SPaolo Bonzini self.assert_qmp(event, 'data/error', 'Input/output error') 24090f0b711SPaolo Bonzini self.assert_qmp(event, 'data/offset', self.STREAM_BUFFER_SIZE) 24190f0b711SPaolo Bonzini self.assert_qmp(event, 'data/len', self.image_len) 24290f0b711SPaolo Bonzini completed = True 24390f0b711SPaolo Bonzini 244ecc1c88eSStefan Hajnoczi self.assert_no_active_block_jobs() 24590f0b711SPaolo Bonzini self.vm.shutdown() 24690f0b711SPaolo Bonzini 24790f0b711SPaolo Bonzini def test_ignore(self): 248ecc1c88eSStefan Hajnoczi self.assert_no_active_block_jobs() 24990f0b711SPaolo Bonzini 25090f0b711SPaolo Bonzini result = self.vm.qmp('block-stream', device='drive0', on_error='ignore') 25190f0b711SPaolo Bonzini self.assert_qmp(result, 'return', {}) 25290f0b711SPaolo Bonzini 25390f0b711SPaolo Bonzini error = False 25490f0b711SPaolo Bonzini completed = False 25590f0b711SPaolo Bonzini while not completed: 25690f0b711SPaolo Bonzini for event in self.vm.get_qmp_events(wait=True): 25790f0b711SPaolo Bonzini if event['event'] == 'BLOCK_JOB_ERROR': 25890f0b711SPaolo Bonzini self.assert_qmp(event, 'data/device', 'drive0') 25990f0b711SPaolo Bonzini self.assert_qmp(event, 'data/operation', 'read') 26090f0b711SPaolo Bonzini result = self.vm.qmp('query-block-jobs') 26190f0b711SPaolo Bonzini self.assert_qmp(result, 'return[0]/paused', False) 26290f0b711SPaolo Bonzini error = True 26390f0b711SPaolo Bonzini elif event['event'] == 'BLOCK_JOB_COMPLETED': 26490f0b711SPaolo Bonzini self.assertTrue(error, 'job completed unexpectedly') 26590f0b711SPaolo Bonzini self.assert_qmp(event, 'data/type', 'stream') 26690f0b711SPaolo Bonzini self.assert_qmp(event, 'data/device', 'drive0') 26790f0b711SPaolo Bonzini self.assert_qmp(event, 'data/error', 'Input/output error') 26890f0b711SPaolo Bonzini self.assert_qmp(event, 'data/offset', self.image_len) 26990f0b711SPaolo Bonzini self.assert_qmp(event, 'data/len', self.image_len) 27090f0b711SPaolo Bonzini completed = True 27190f0b711SPaolo Bonzini 272ecc1c88eSStefan Hajnoczi self.assert_no_active_block_jobs() 27390f0b711SPaolo Bonzini self.vm.shutdown() 27490f0b711SPaolo Bonzini 27590f0b711SPaolo Bonzini def test_stop(self): 276ecc1c88eSStefan Hajnoczi self.assert_no_active_block_jobs() 27790f0b711SPaolo Bonzini 27890f0b711SPaolo Bonzini result = self.vm.qmp('block-stream', device='drive0', on_error='stop') 27990f0b711SPaolo Bonzini self.assert_qmp(result, 'return', {}) 28090f0b711SPaolo Bonzini 28190f0b711SPaolo Bonzini error = False 28290f0b711SPaolo Bonzini completed = False 28390f0b711SPaolo Bonzini while not completed: 28490f0b711SPaolo Bonzini for event in self.vm.get_qmp_events(wait=True): 28590f0b711SPaolo Bonzini if event['event'] == 'BLOCK_JOB_ERROR': 28601809194SJohn Snow error = True 28790f0b711SPaolo Bonzini self.assert_qmp(event, 'data/device', 'drive0') 28890f0b711SPaolo Bonzini self.assert_qmp(event, 'data/operation', 'read') 28990f0b711SPaolo Bonzini 29090f0b711SPaolo Bonzini result = self.vm.qmp('query-block-jobs') 29190f0b711SPaolo Bonzini self.assert_qmp(result, 'return[0]/paused', True) 29290f0b711SPaolo Bonzini self.assert_qmp(result, 'return[0]/offset', self.STREAM_BUFFER_SIZE) 29390f0b711SPaolo Bonzini self.assert_qmp(result, 'return[0]/io-status', 'failed') 29490f0b711SPaolo Bonzini 29590f0b711SPaolo Bonzini result = self.vm.qmp('block-job-resume', device='drive0') 29690f0b711SPaolo Bonzini self.assert_qmp(result, 'return', {}) 29790f0b711SPaolo Bonzini 29890f0b711SPaolo Bonzini result = self.vm.qmp('query-block-jobs') 29901809194SJohn Snow if result == {'return': []}: 30001809194SJohn Snow # Race; likely already finished. Check. 30101809194SJohn Snow continue 30290f0b711SPaolo Bonzini self.assert_qmp(result, 'return[0]/paused', False) 30390f0b711SPaolo Bonzini self.assert_qmp(result, 'return[0]/io-status', 'ok') 30490f0b711SPaolo Bonzini elif event['event'] == 'BLOCK_JOB_COMPLETED': 30590f0b711SPaolo Bonzini self.assertTrue(error, 'job completed unexpectedly') 30690f0b711SPaolo Bonzini self.assert_qmp(event, 'data/type', 'stream') 30790f0b711SPaolo Bonzini self.assert_qmp(event, 'data/device', 'drive0') 30890f0b711SPaolo Bonzini self.assert_qmp_absent(event, 'data/error') 30990f0b711SPaolo Bonzini self.assert_qmp(event, 'data/offset', self.image_len) 31090f0b711SPaolo Bonzini self.assert_qmp(event, 'data/len', self.image_len) 31190f0b711SPaolo Bonzini completed = True 31290f0b711SPaolo Bonzini 313ecc1c88eSStefan Hajnoczi self.assert_no_active_block_jobs() 31490f0b711SPaolo Bonzini self.vm.shutdown() 31590f0b711SPaolo Bonzini 31690f0b711SPaolo Bonzini def test_enospc(self): 317ecc1c88eSStefan Hajnoczi self.assert_no_active_block_jobs() 31890f0b711SPaolo Bonzini 31990f0b711SPaolo Bonzini result = self.vm.qmp('block-stream', device='drive0', on_error='enospc') 32090f0b711SPaolo Bonzini self.assert_qmp(result, 'return', {}) 32190f0b711SPaolo Bonzini 32290f0b711SPaolo Bonzini completed = False 32390f0b711SPaolo Bonzini error = False 32490f0b711SPaolo Bonzini while not completed: 32590f0b711SPaolo Bonzini for event in self.vm.get_qmp_events(wait=True): 32690f0b711SPaolo Bonzini if event['event'] == 'BLOCK_JOB_ERROR': 32790f0b711SPaolo Bonzini self.assert_qmp(event, 'data/device', 'drive0') 32890f0b711SPaolo Bonzini self.assert_qmp(event, 'data/operation', 'read') 32990f0b711SPaolo Bonzini error = True 33090f0b711SPaolo Bonzini elif event['event'] == 'BLOCK_JOB_COMPLETED': 33190f0b711SPaolo Bonzini self.assertTrue(error, 'job completed unexpectedly') 33290f0b711SPaolo Bonzini self.assert_qmp(event, 'data/type', 'stream') 33390f0b711SPaolo Bonzini self.assert_qmp(event, 'data/device', 'drive0') 33490f0b711SPaolo Bonzini self.assert_qmp(event, 'data/error', 'Input/output error') 33590f0b711SPaolo Bonzini self.assert_qmp(event, 'data/offset', self.STREAM_BUFFER_SIZE) 33690f0b711SPaolo Bonzini self.assert_qmp(event, 'data/len', self.image_len) 33790f0b711SPaolo Bonzini completed = True 33890f0b711SPaolo Bonzini 339ecc1c88eSStefan Hajnoczi self.assert_no_active_block_jobs() 34090f0b711SPaolo Bonzini self.vm.shutdown() 34190f0b711SPaolo Bonzini 34290f0b711SPaolo Bonziniclass TestENOSPC(TestErrors): 34390f0b711SPaolo Bonzini def setUp(self): 34490f0b711SPaolo Bonzini self.blkdebug_file = backing_img + ".blkdebug" 3452499a096SStefan Hajnoczi iotests.create_image(backing_img, TestErrors.image_len) 34690f0b711SPaolo Bonzini self.create_blkdebug_file(self.blkdebug_file, "read_aio", 28) 34790f0b711SPaolo Bonzini qemu_img('create', '-f', iotests.imgfmt, 34890f0b711SPaolo Bonzini '-o', 'backing_file=blkdebug:%s:%s,backing_fmt=raw' 34990f0b711SPaolo Bonzini % (self.blkdebug_file, backing_img), 35090f0b711SPaolo Bonzini test_img) 35190f0b711SPaolo Bonzini self.vm = iotests.VM().add_drive(test_img) 35290f0b711SPaolo Bonzini self.vm.launch() 35390f0b711SPaolo Bonzini 35490f0b711SPaolo Bonzini def tearDown(self): 35590f0b711SPaolo Bonzini self.vm.shutdown() 35690f0b711SPaolo Bonzini os.remove(test_img) 35790f0b711SPaolo Bonzini os.remove(backing_img) 35890f0b711SPaolo Bonzini os.remove(self.blkdebug_file) 35990f0b711SPaolo Bonzini 36090f0b711SPaolo Bonzini def test_enospc(self): 361ecc1c88eSStefan Hajnoczi self.assert_no_active_block_jobs() 36290f0b711SPaolo Bonzini 36390f0b711SPaolo Bonzini result = self.vm.qmp('block-stream', device='drive0', on_error='enospc') 36490f0b711SPaolo Bonzini self.assert_qmp(result, 'return', {}) 36590f0b711SPaolo Bonzini 36690f0b711SPaolo Bonzini error = False 36790f0b711SPaolo Bonzini completed = False 36890f0b711SPaolo Bonzini while not completed: 36990f0b711SPaolo Bonzini for event in self.vm.get_qmp_events(wait=True): 37090f0b711SPaolo Bonzini if event['event'] == 'BLOCK_JOB_ERROR': 37190f0b711SPaolo Bonzini self.assert_qmp(event, 'data/device', 'drive0') 37290f0b711SPaolo Bonzini self.assert_qmp(event, 'data/operation', 'read') 37390f0b711SPaolo Bonzini 37490f0b711SPaolo Bonzini result = self.vm.qmp('query-block-jobs') 37590f0b711SPaolo Bonzini self.assert_qmp(result, 'return[0]/paused', True) 37690f0b711SPaolo Bonzini self.assert_qmp(result, 'return[0]/offset', self.STREAM_BUFFER_SIZE) 37790f0b711SPaolo Bonzini self.assert_qmp(result, 'return[0]/io-status', 'nospace') 37890f0b711SPaolo Bonzini 37990f0b711SPaolo Bonzini result = self.vm.qmp('block-job-resume', device='drive0') 38090f0b711SPaolo Bonzini self.assert_qmp(result, 'return', {}) 38190f0b711SPaolo Bonzini 38290f0b711SPaolo Bonzini result = self.vm.qmp('query-block-jobs') 38390f0b711SPaolo Bonzini self.assert_qmp(result, 'return[0]/paused', False) 38490f0b711SPaolo Bonzini self.assert_qmp(result, 'return[0]/io-status', 'ok') 38590f0b711SPaolo Bonzini error = True 38690f0b711SPaolo Bonzini elif event['event'] == 'BLOCK_JOB_COMPLETED': 38790f0b711SPaolo Bonzini self.assertTrue(error, 'job completed unexpectedly') 38890f0b711SPaolo Bonzini self.assert_qmp(event, 'data/type', 'stream') 38990f0b711SPaolo Bonzini self.assert_qmp(event, 'data/device', 'drive0') 39090f0b711SPaolo Bonzini self.assert_qmp_absent(event, 'data/error') 39190f0b711SPaolo Bonzini self.assert_qmp(event, 'data/offset', self.image_len) 39290f0b711SPaolo Bonzini self.assert_qmp(event, 'data/len', self.image_len) 39390f0b711SPaolo Bonzini completed = True 39490f0b711SPaolo Bonzini 395ecc1c88eSStefan Hajnoczi self.assert_no_active_block_jobs() 39690f0b711SPaolo Bonzini self.vm.shutdown() 397774a8850SStefan Hajnoczi 3982499a096SStefan Hajnocziclass TestStreamStop(iotests.QMPTestCase): 39937ce63ebSStefan Hajnoczi image_len = 8 * 1024 * 1024 * 1024 # GB 40037ce63ebSStefan Hajnoczi 40137ce63ebSStefan Hajnoczi def setUp(self): 40237ce63ebSStefan Hajnoczi qemu_img('create', backing_img, str(TestStreamStop.image_len)) 40390c9b167SKevin Wolf qemu_io('-f', 'raw', '-c', 'write -P 0x1 0 32M', backing_img) 40437ce63ebSStefan Hajnoczi qemu_img('create', '-f', iotests.imgfmt, '-o', 'backing_file=%s' % backing_img, test_img) 40590c9b167SKevin Wolf qemu_io('-f', iotests.imgfmt, '-c', 'write -P 0x1 32M 32M', test_img) 406b59b3d57SFam Zheng self.vm = iotests.VM().add_drive("blkdebug::" + test_img) 40737ce63ebSStefan Hajnoczi self.vm.launch() 40837ce63ebSStefan Hajnoczi 40937ce63ebSStefan Hajnoczi def tearDown(self): 41037ce63ebSStefan Hajnoczi self.vm.shutdown() 41137ce63ebSStefan Hajnoczi os.remove(test_img) 41237ce63ebSStefan Hajnoczi os.remove(backing_img) 41337ce63ebSStefan Hajnoczi 41437ce63ebSStefan Hajnoczi def test_stream_stop(self): 415ecc1c88eSStefan Hajnoczi self.assert_no_active_block_jobs() 41637ce63ebSStefan Hajnoczi 417b59b3d57SFam Zheng self.vm.pause_drive('drive0') 418db58f9c0SStefan Hajnoczi result = self.vm.qmp('block-stream', device='drive0') 41937ce63ebSStefan Hajnoczi self.assert_qmp(result, 'return', {}) 42037ce63ebSStefan Hajnoczi 4210fd05e8dSPaolo Bonzini time.sleep(0.1) 42237ce63ebSStefan Hajnoczi events = self.vm.get_qmp_events(wait=False) 42337ce63ebSStefan Hajnoczi self.assertEqual(events, [], 'unexpected QMP event: %s' % events) 42437ce63ebSStefan Hajnoczi 425b59b3d57SFam Zheng self.cancel_and_wait(resume=True) 42637ce63ebSStefan Hajnoczi 4272499a096SStefan Hajnocziclass TestSetSpeed(iotests.QMPTestCase): 42837ce63ebSStefan Hajnoczi image_len = 80 * 1024 * 1024 # MB 42937ce63ebSStefan Hajnoczi 43037ce63ebSStefan Hajnoczi def setUp(self): 43137ce63ebSStefan Hajnoczi qemu_img('create', backing_img, str(TestSetSpeed.image_len)) 43290c9b167SKevin Wolf qemu_io('-f', 'raw', '-c', 'write -P 0x1 0 32M', backing_img) 43337ce63ebSStefan Hajnoczi qemu_img('create', '-f', iotests.imgfmt, '-o', 'backing_file=%s' % backing_img, test_img) 43490c9b167SKevin Wolf qemu_io('-f', iotests.imgfmt, '-c', 'write -P 0x1 32M 32M', test_img) 435b59b3d57SFam Zheng self.vm = iotests.VM().add_drive('blkdebug::' + test_img) 43637ce63ebSStefan Hajnoczi self.vm.launch() 43737ce63ebSStefan Hajnoczi 43837ce63ebSStefan Hajnoczi def tearDown(self): 43937ce63ebSStefan Hajnoczi self.vm.shutdown() 44037ce63ebSStefan Hajnoczi os.remove(test_img) 44137ce63ebSStefan Hajnoczi os.remove(backing_img) 44237ce63ebSStefan Hajnoczi 443e425306aSStefan Hajnoczi # This is a short performance test which is not run by default. 444e425306aSStefan Hajnoczi # Invoke "IMGFMT=qed ./030 TestSetSpeed.perf_test_throughput" 445e425306aSStefan Hajnoczi def perf_test_throughput(self): 446ecc1c88eSStefan Hajnoczi self.assert_no_active_block_jobs() 44737ce63ebSStefan Hajnoczi 448db58f9c0SStefan Hajnoczi result = self.vm.qmp('block-stream', device='drive0') 44937ce63ebSStefan Hajnoczi self.assert_qmp(result, 'return', {}) 45037ce63ebSStefan Hajnoczi 451e425306aSStefan Hajnoczi result = self.vm.qmp('block-job-set-speed', device='drive0', speed=8 * 1024 * 1024) 45237ce63ebSStefan Hajnoczi self.assert_qmp(result, 'return', {}) 45337ce63ebSStefan Hajnoczi 4549974ad40SFam Zheng self.wait_until_completed() 45537ce63ebSStefan Hajnoczi 456ecc1c88eSStefan Hajnoczi self.assert_no_active_block_jobs() 45737ce63ebSStefan Hajnoczi 458e425306aSStefan Hajnoczi def test_set_speed(self): 459ecc1c88eSStefan Hajnoczi self.assert_no_active_block_jobs() 460e425306aSStefan Hajnoczi 461b59b3d57SFam Zheng self.vm.pause_drive('drive0') 462e425306aSStefan Hajnoczi result = self.vm.qmp('block-stream', device='drive0') 463e425306aSStefan Hajnoczi self.assert_qmp(result, 'return', {}) 464e425306aSStefan Hajnoczi 465e425306aSStefan Hajnoczi # Default speed is 0 466e425306aSStefan Hajnoczi result = self.vm.qmp('query-block-jobs') 467e425306aSStefan Hajnoczi self.assert_qmp(result, 'return[0]/device', 'drive0') 468e425306aSStefan Hajnoczi self.assert_qmp(result, 'return[0]/speed', 0) 469e425306aSStefan Hajnoczi 470e425306aSStefan Hajnoczi result = self.vm.qmp('block-job-set-speed', device='drive0', speed=8 * 1024 * 1024) 471e425306aSStefan Hajnoczi self.assert_qmp(result, 'return', {}) 472e425306aSStefan Hajnoczi 473e425306aSStefan Hajnoczi # Ensure the speed we set was accepted 474e425306aSStefan Hajnoczi result = self.vm.qmp('query-block-jobs') 475e425306aSStefan Hajnoczi self.assert_qmp(result, 'return[0]/device', 'drive0') 476e425306aSStefan Hajnoczi self.assert_qmp(result, 'return[0]/speed', 8 * 1024 * 1024) 477e425306aSStefan Hajnoczi 478b59b3d57SFam Zheng self.cancel_and_wait(resume=True) 479b59b3d57SFam Zheng self.vm.pause_drive('drive0') 480e425306aSStefan Hajnoczi 481e425306aSStefan Hajnoczi # Check setting speed in block-stream works 482e425306aSStefan Hajnoczi result = self.vm.qmp('block-stream', device='drive0', speed=4 * 1024 * 1024) 483e425306aSStefan Hajnoczi self.assert_qmp(result, 'return', {}) 484e425306aSStefan Hajnoczi 485e425306aSStefan Hajnoczi result = self.vm.qmp('query-block-jobs') 486e425306aSStefan Hajnoczi self.assert_qmp(result, 'return[0]/device', 'drive0') 487e425306aSStefan Hajnoczi self.assert_qmp(result, 'return[0]/speed', 4 * 1024 * 1024) 488e425306aSStefan Hajnoczi 489b59b3d57SFam Zheng self.cancel_and_wait(resume=True) 490e425306aSStefan Hajnoczi 491e425306aSStefan Hajnoczi def test_set_speed_invalid(self): 492ecc1c88eSStefan Hajnoczi self.assert_no_active_block_jobs() 493e425306aSStefan Hajnoczi 494e425306aSStefan Hajnoczi result = self.vm.qmp('block-stream', device='drive0', speed=-1) 49558c8cce2SKevin Wolf self.assert_qmp(result, 'error/class', 'GenericError') 496e425306aSStefan Hajnoczi 497ecc1c88eSStefan Hajnoczi self.assert_no_active_block_jobs() 498e425306aSStefan Hajnoczi 499e425306aSStefan Hajnoczi result = self.vm.qmp('block-stream', device='drive0') 500e425306aSStefan Hajnoczi self.assert_qmp(result, 'return', {}) 501e425306aSStefan Hajnoczi 502e425306aSStefan Hajnoczi result = self.vm.qmp('block-job-set-speed', device='drive0', speed=-1) 50358c8cce2SKevin Wolf self.assert_qmp(result, 'error/class', 'GenericError') 504e425306aSStefan Hajnoczi 505e425306aSStefan Hajnoczi self.cancel_and_wait() 506e425306aSStefan Hajnoczi 50737ce63ebSStefan Hajnocziif __name__ == '__main__': 50837ce63ebSStefan Hajnoczi iotests.main(supported_fmts=['qcow2', 'qed']) 509