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) 397b8a9e5aSAlberto 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 637b8a9e5aSAlberto Garcia def test_stream_intermediate(self): 647b8a9e5aSAlberto Garcia self.assert_no_active_block_jobs() 657b8a9e5aSAlberto Garcia 667b8a9e5aSAlberto Garcia self.assertNotEqual(qemu_io('-f', 'raw', '-c', 'map', backing_img), 677b8a9e5aSAlberto Garcia qemu_io('-f', iotests.imgfmt, '-c', 'map', mid_img), 687b8a9e5aSAlberto Garcia 'image file map matches backing file before streaming') 697b8a9e5aSAlberto Garcia 707b8a9e5aSAlberto Garcia result = self.vm.qmp('block-stream', device='mid', job_id='stream-mid') 717b8a9e5aSAlberto Garcia self.assert_qmp(result, 'return', {}) 727b8a9e5aSAlberto Garcia 737b8a9e5aSAlberto Garcia self.wait_until_completed(drive='stream-mid') 747b8a9e5aSAlberto Garcia 757b8a9e5aSAlberto Garcia self.assert_no_active_block_jobs() 767b8a9e5aSAlberto Garcia self.vm.shutdown() 777b8a9e5aSAlberto Garcia 787b8a9e5aSAlberto Garcia self.assertEqual(qemu_io('-f', 'raw', '-c', 'map', backing_img), 797b8a9e5aSAlberto Garcia qemu_io('-f', iotests.imgfmt, '-c', 'map', mid_img), 807b8a9e5aSAlberto Garcia 'image file map does not match backing file after streaming') 817b8a9e5aSAlberto 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 151*c1a34322SAlberto Garciaclass TestParallelOps(iotests.QMPTestCase): 152*c1a34322SAlberto Garcia num_ops = 4 # Number of parallel block-stream operations 153*c1a34322SAlberto Garcia num_imgs = num_ops * 2 + 1 154*c1a34322SAlberto Garcia image_len = num_ops * 1024 * 1024 155*c1a34322SAlberto Garcia imgs = [] 156*c1a34322SAlberto Garcia 157*c1a34322SAlberto Garcia def setUp(self): 158*c1a34322SAlberto Garcia opts = [] 159*c1a34322SAlberto Garcia self.imgs = [] 160*c1a34322SAlberto Garcia 161*c1a34322SAlberto Garcia # Initialize file names and command-line options 162*c1a34322SAlberto Garcia for i in range(self.num_imgs): 163*c1a34322SAlberto Garcia img_depth = self.num_imgs - i - 1 164*c1a34322SAlberto Garcia opts.append("backing." * img_depth + "node-name=node%d" % i) 165*c1a34322SAlberto Garcia self.imgs.append(os.path.join(iotests.test_dir, 'img-%d.img' % i)) 166*c1a34322SAlberto Garcia 167*c1a34322SAlberto Garcia # Create all images 168*c1a34322SAlberto Garcia iotests.create_image(self.imgs[0], self.image_len) 169*c1a34322SAlberto Garcia for i in range(1, self.num_imgs): 170*c1a34322SAlberto Garcia qemu_img('create', '-f', iotests.imgfmt, 171*c1a34322SAlberto Garcia '-o', 'backing_file=%s' % self.imgs[i-1], self.imgs[i]) 172*c1a34322SAlberto Garcia 173*c1a34322SAlberto Garcia # Put data into the images we are copying data from 174*c1a34322SAlberto Garcia for i in range(self.num_imgs / 2): 175*c1a34322SAlberto Garcia img_index = i * 2 + 1 176*c1a34322SAlberto Garcia # Alternate between 512k and 1M. 177*c1a34322SAlberto Garcia # This way jobs will not finish in the same order they were created 178*c1a34322SAlberto Garcia num_kb = 512 + 512 * (i % 2) 179*c1a34322SAlberto Garcia qemu_io('-f', iotests.imgfmt, 180*c1a34322SAlberto Garcia '-c', 'write -P %d %d %d' % (i, i*1024*1024, num_kb * 1024), 181*c1a34322SAlberto Garcia self.imgs[img_index]) 182*c1a34322SAlberto Garcia 183*c1a34322SAlberto Garcia # Attach the drive to the VM 184*c1a34322SAlberto Garcia self.vm = iotests.VM() 185*c1a34322SAlberto Garcia self.vm.add_drive(self.imgs[-1], ','.join(opts)) 186*c1a34322SAlberto Garcia self.vm.launch() 187*c1a34322SAlberto Garcia 188*c1a34322SAlberto Garcia def tearDown(self): 189*c1a34322SAlberto Garcia self.vm.shutdown() 190*c1a34322SAlberto Garcia for img in self.imgs: 191*c1a34322SAlberto Garcia os.remove(img) 192*c1a34322SAlberto Garcia 193*c1a34322SAlberto Garcia # Test that it's possible to run several block-stream operations 194*c1a34322SAlberto Garcia # in parallel in the same snapshot chain 195*c1a34322SAlberto Garcia def test_stream_parallel(self): 196*c1a34322SAlberto Garcia self.assert_no_active_block_jobs() 197*c1a34322SAlberto Garcia 198*c1a34322SAlberto Garcia # Check that the maps don't match before the streaming operations 199*c1a34322SAlberto Garcia for i in range(2, self.num_imgs, 2): 200*c1a34322SAlberto Garcia self.assertNotEqual(qemu_io('-f', iotests.imgfmt, '-c', 'map', self.imgs[i]), 201*c1a34322SAlberto Garcia qemu_io('-f', iotests.imgfmt, '-c', 'map', self.imgs[i-1]), 202*c1a34322SAlberto Garcia 'image file map matches backing file before streaming') 203*c1a34322SAlberto Garcia 204*c1a34322SAlberto Garcia # Create all streaming jobs 205*c1a34322SAlberto Garcia pending_jobs = [] 206*c1a34322SAlberto Garcia for i in range(2, self.num_imgs, 2): 207*c1a34322SAlberto Garcia node_name = 'node%d' % i 208*c1a34322SAlberto Garcia job_id = 'stream-%s' % node_name 209*c1a34322SAlberto Garcia pending_jobs.append(job_id) 210*c1a34322SAlberto Garcia result = self.vm.qmp('block-stream', device=node_name, job_id=job_id, base=self.imgs[i-2], speed=512*1024) 211*c1a34322SAlberto Garcia self.assert_qmp(result, 'return', {}) 212*c1a34322SAlberto Garcia 213*c1a34322SAlberto Garcia # Wait for all jobs to be finished. 214*c1a34322SAlberto Garcia while len(pending_jobs) > 0: 215*c1a34322SAlberto Garcia for event in self.vm.get_qmp_events(wait=True): 216*c1a34322SAlberto Garcia if event['event'] == 'BLOCK_JOB_COMPLETED': 217*c1a34322SAlberto Garcia job_id = self.dictpath(event, 'data/device') 218*c1a34322SAlberto Garcia self.assertTrue(job_id in pending_jobs) 219*c1a34322SAlberto Garcia self.assert_qmp_absent(event, 'data/error') 220*c1a34322SAlberto Garcia pending_jobs.remove(job_id) 221*c1a34322SAlberto Garcia 222*c1a34322SAlberto Garcia self.assert_no_active_block_jobs() 223*c1a34322SAlberto Garcia self.vm.shutdown() 224*c1a34322SAlberto Garcia 225*c1a34322SAlberto Garcia # Check that all maps match now 226*c1a34322SAlberto Garcia for i in range(2, self.num_imgs, 2): 227*c1a34322SAlberto Garcia self.assertEqual(qemu_io('-f', iotests.imgfmt, '-c', 'map', self.imgs[i]), 228*c1a34322SAlberto Garcia qemu_io('-f', iotests.imgfmt, '-c', 'map', self.imgs[i-1]), 229*c1a34322SAlberto Garcia 'image file map does not match backing file after streaming') 230*c1a34322SAlberto Garcia 2312499a096SStefan Hajnocziclass TestSmallerBackingFile(iotests.QMPTestCase): 232774a8850SStefan Hajnoczi backing_len = 1 * 1024 * 1024 # MB 233774a8850SStefan Hajnoczi image_len = 2 * backing_len 234774a8850SStefan Hajnoczi 235774a8850SStefan Hajnoczi def setUp(self): 2362499a096SStefan Hajnoczi iotests.create_image(backing_img, self.backing_len) 237774a8850SStefan Hajnoczi qemu_img('create', '-f', iotests.imgfmt, '-o', 'backing_file=%s' % backing_img, test_img, str(self.image_len)) 238774a8850SStefan Hajnoczi self.vm = iotests.VM().add_drive(test_img) 239774a8850SStefan Hajnoczi self.vm.launch() 240774a8850SStefan Hajnoczi 241774a8850SStefan Hajnoczi # If this hangs, then you are missing a fix to complete streaming when the 242774a8850SStefan Hajnoczi # end of the backing file is reached. 243774a8850SStefan Hajnoczi def test_stream(self): 244ecc1c88eSStefan Hajnoczi self.assert_no_active_block_jobs() 245774a8850SStefan Hajnoczi 246774a8850SStefan Hajnoczi result = self.vm.qmp('block-stream', device='drive0') 247774a8850SStefan Hajnoczi self.assert_qmp(result, 'return', {}) 248774a8850SStefan Hajnoczi 2499974ad40SFam Zheng self.wait_until_completed() 250774a8850SStefan Hajnoczi 251ecc1c88eSStefan Hajnoczi self.assert_no_active_block_jobs() 252774a8850SStefan Hajnoczi self.vm.shutdown() 253774a8850SStefan Hajnoczi 2542499a096SStefan Hajnocziclass TestErrors(iotests.QMPTestCase): 25590f0b711SPaolo Bonzini image_len = 2 * 1024 * 1024 # MB 25690f0b711SPaolo Bonzini 25790f0b711SPaolo Bonzini # this should match STREAM_BUFFER_SIZE/512 in block/stream.c 25890f0b711SPaolo Bonzini STREAM_BUFFER_SIZE = 512 * 1024 25990f0b711SPaolo Bonzini 26090f0b711SPaolo Bonzini def create_blkdebug_file(self, name, event, errno): 26190f0b711SPaolo Bonzini file = open(name, 'w') 26290f0b711SPaolo Bonzini file.write(''' 26390f0b711SPaolo Bonzini[inject-error] 26490f0b711SPaolo Bonzinistate = "1" 26590f0b711SPaolo Bonzinievent = "%s" 26690f0b711SPaolo Bonzinierrno = "%d" 26790f0b711SPaolo Bonziniimmediately = "off" 26890f0b711SPaolo Bonzinionce = "on" 26990f0b711SPaolo Bonzinisector = "%d" 27090f0b711SPaolo Bonzini 27190f0b711SPaolo Bonzini[set-state] 27290f0b711SPaolo Bonzinistate = "1" 27390f0b711SPaolo Bonzinievent = "%s" 27490f0b711SPaolo Bonzininew_state = "2" 27590f0b711SPaolo Bonzini 27690f0b711SPaolo Bonzini[set-state] 27790f0b711SPaolo Bonzinistate = "2" 27890f0b711SPaolo Bonzinievent = "%s" 27990f0b711SPaolo Bonzininew_state = "1" 28090f0b711SPaolo Bonzini''' % (event, errno, self.STREAM_BUFFER_SIZE / 512, event, event)) 28190f0b711SPaolo Bonzini file.close() 28290f0b711SPaolo Bonzini 28390f0b711SPaolo Bonziniclass TestEIO(TestErrors): 28490f0b711SPaolo Bonzini def setUp(self): 28590f0b711SPaolo Bonzini self.blkdebug_file = backing_img + ".blkdebug" 2862499a096SStefan Hajnoczi iotests.create_image(backing_img, TestErrors.image_len) 28790f0b711SPaolo Bonzini self.create_blkdebug_file(self.blkdebug_file, "read_aio", 5) 28890f0b711SPaolo Bonzini qemu_img('create', '-f', iotests.imgfmt, 28990f0b711SPaolo Bonzini '-o', 'backing_file=blkdebug:%s:%s,backing_fmt=raw' 29090f0b711SPaolo Bonzini % (self.blkdebug_file, backing_img), 29190f0b711SPaolo Bonzini test_img) 29290f0b711SPaolo Bonzini self.vm = iotests.VM().add_drive(test_img) 29390f0b711SPaolo Bonzini self.vm.launch() 29490f0b711SPaolo Bonzini 29590f0b711SPaolo Bonzini def tearDown(self): 29690f0b711SPaolo Bonzini self.vm.shutdown() 29790f0b711SPaolo Bonzini os.remove(test_img) 29890f0b711SPaolo Bonzini os.remove(backing_img) 29990f0b711SPaolo Bonzini os.remove(self.blkdebug_file) 30090f0b711SPaolo Bonzini 30190f0b711SPaolo Bonzini def test_report(self): 302ecc1c88eSStefan Hajnoczi self.assert_no_active_block_jobs() 30390f0b711SPaolo Bonzini 30490f0b711SPaolo Bonzini result = self.vm.qmp('block-stream', device='drive0') 30590f0b711SPaolo Bonzini self.assert_qmp(result, 'return', {}) 30690f0b711SPaolo Bonzini 30790f0b711SPaolo Bonzini completed = False 30890f0b711SPaolo Bonzini error = False 30990f0b711SPaolo Bonzini while not completed: 31090f0b711SPaolo Bonzini for event in self.vm.get_qmp_events(wait=True): 31190f0b711SPaolo Bonzini if event['event'] == 'BLOCK_JOB_ERROR': 31290f0b711SPaolo Bonzini self.assert_qmp(event, 'data/device', 'drive0') 31390f0b711SPaolo Bonzini self.assert_qmp(event, 'data/operation', 'read') 31490f0b711SPaolo Bonzini error = True 31590f0b711SPaolo Bonzini elif event['event'] == 'BLOCK_JOB_COMPLETED': 31690f0b711SPaolo Bonzini self.assertTrue(error, 'job completed unexpectedly') 31790f0b711SPaolo Bonzini self.assert_qmp(event, 'data/type', 'stream') 31890f0b711SPaolo Bonzini self.assert_qmp(event, 'data/device', 'drive0') 31990f0b711SPaolo Bonzini self.assert_qmp(event, 'data/error', 'Input/output error') 32090f0b711SPaolo Bonzini self.assert_qmp(event, 'data/offset', self.STREAM_BUFFER_SIZE) 32190f0b711SPaolo Bonzini self.assert_qmp(event, 'data/len', self.image_len) 32290f0b711SPaolo Bonzini completed = True 32390f0b711SPaolo Bonzini 324ecc1c88eSStefan Hajnoczi self.assert_no_active_block_jobs() 32590f0b711SPaolo Bonzini self.vm.shutdown() 32690f0b711SPaolo Bonzini 32790f0b711SPaolo Bonzini def test_ignore(self): 328ecc1c88eSStefan Hajnoczi self.assert_no_active_block_jobs() 32990f0b711SPaolo Bonzini 33090f0b711SPaolo Bonzini result = self.vm.qmp('block-stream', device='drive0', on_error='ignore') 33190f0b711SPaolo Bonzini self.assert_qmp(result, 'return', {}) 33290f0b711SPaolo Bonzini 33390f0b711SPaolo Bonzini error = False 33490f0b711SPaolo Bonzini completed = False 33590f0b711SPaolo Bonzini while not completed: 33690f0b711SPaolo Bonzini for event in self.vm.get_qmp_events(wait=True): 33790f0b711SPaolo Bonzini if event['event'] == 'BLOCK_JOB_ERROR': 33890f0b711SPaolo Bonzini self.assert_qmp(event, 'data/device', 'drive0') 33990f0b711SPaolo Bonzini self.assert_qmp(event, 'data/operation', 'read') 34090f0b711SPaolo Bonzini result = self.vm.qmp('query-block-jobs') 34190f0b711SPaolo Bonzini self.assert_qmp(result, 'return[0]/paused', False) 34290f0b711SPaolo Bonzini error = True 34390f0b711SPaolo Bonzini elif event['event'] == 'BLOCK_JOB_COMPLETED': 34490f0b711SPaolo Bonzini self.assertTrue(error, 'job completed unexpectedly') 34590f0b711SPaolo Bonzini self.assert_qmp(event, 'data/type', 'stream') 34690f0b711SPaolo Bonzini self.assert_qmp(event, 'data/device', 'drive0') 34790f0b711SPaolo Bonzini self.assert_qmp(event, 'data/error', 'Input/output error') 34890f0b711SPaolo Bonzini self.assert_qmp(event, 'data/offset', self.image_len) 34990f0b711SPaolo Bonzini self.assert_qmp(event, 'data/len', self.image_len) 35090f0b711SPaolo Bonzini completed = True 35190f0b711SPaolo Bonzini 352ecc1c88eSStefan Hajnoczi self.assert_no_active_block_jobs() 35390f0b711SPaolo Bonzini self.vm.shutdown() 35490f0b711SPaolo Bonzini 35590f0b711SPaolo Bonzini def test_stop(self): 356ecc1c88eSStefan Hajnoczi self.assert_no_active_block_jobs() 35790f0b711SPaolo Bonzini 35890f0b711SPaolo Bonzini result = self.vm.qmp('block-stream', device='drive0', on_error='stop') 35990f0b711SPaolo Bonzini self.assert_qmp(result, 'return', {}) 36090f0b711SPaolo Bonzini 36190f0b711SPaolo Bonzini error = False 36290f0b711SPaolo Bonzini completed = False 36390f0b711SPaolo Bonzini while not completed: 36490f0b711SPaolo Bonzini for event in self.vm.get_qmp_events(wait=True): 36590f0b711SPaolo Bonzini if event['event'] == 'BLOCK_JOB_ERROR': 36601809194SJohn Snow error = True 36790f0b711SPaolo Bonzini self.assert_qmp(event, 'data/device', 'drive0') 36890f0b711SPaolo Bonzini self.assert_qmp(event, 'data/operation', 'read') 36990f0b711SPaolo Bonzini 37090f0b711SPaolo Bonzini result = self.vm.qmp('query-block-jobs') 37190f0b711SPaolo Bonzini self.assert_qmp(result, 'return[0]/paused', True) 37290f0b711SPaolo Bonzini self.assert_qmp(result, 'return[0]/offset', self.STREAM_BUFFER_SIZE) 37390f0b711SPaolo Bonzini self.assert_qmp(result, 'return[0]/io-status', 'failed') 37490f0b711SPaolo Bonzini 37590f0b711SPaolo Bonzini result = self.vm.qmp('block-job-resume', device='drive0') 37690f0b711SPaolo Bonzini self.assert_qmp(result, 'return', {}) 37790f0b711SPaolo Bonzini 37890f0b711SPaolo Bonzini result = self.vm.qmp('query-block-jobs') 37901809194SJohn Snow if result == {'return': []}: 38001809194SJohn Snow # Race; likely already finished. Check. 38101809194SJohn Snow continue 38290f0b711SPaolo Bonzini self.assert_qmp(result, 'return[0]/paused', False) 38390f0b711SPaolo Bonzini self.assert_qmp(result, 'return[0]/io-status', 'ok') 38490f0b711SPaolo Bonzini elif event['event'] == 'BLOCK_JOB_COMPLETED': 38590f0b711SPaolo Bonzini self.assertTrue(error, 'job completed unexpectedly') 38690f0b711SPaolo Bonzini self.assert_qmp(event, 'data/type', 'stream') 38790f0b711SPaolo Bonzini self.assert_qmp(event, 'data/device', 'drive0') 38890f0b711SPaolo Bonzini self.assert_qmp_absent(event, 'data/error') 38990f0b711SPaolo Bonzini self.assert_qmp(event, 'data/offset', self.image_len) 39090f0b711SPaolo Bonzini self.assert_qmp(event, 'data/len', self.image_len) 39190f0b711SPaolo Bonzini completed = True 39290f0b711SPaolo Bonzini 393ecc1c88eSStefan Hajnoczi self.assert_no_active_block_jobs() 39490f0b711SPaolo Bonzini self.vm.shutdown() 39590f0b711SPaolo Bonzini 39690f0b711SPaolo Bonzini def test_enospc(self): 397ecc1c88eSStefan Hajnoczi self.assert_no_active_block_jobs() 39890f0b711SPaolo Bonzini 39990f0b711SPaolo Bonzini result = self.vm.qmp('block-stream', device='drive0', on_error='enospc') 40090f0b711SPaolo Bonzini self.assert_qmp(result, 'return', {}) 40190f0b711SPaolo Bonzini 40290f0b711SPaolo Bonzini completed = False 40390f0b711SPaolo Bonzini error = False 40490f0b711SPaolo Bonzini while not completed: 40590f0b711SPaolo Bonzini for event in self.vm.get_qmp_events(wait=True): 40690f0b711SPaolo Bonzini if event['event'] == 'BLOCK_JOB_ERROR': 40790f0b711SPaolo Bonzini self.assert_qmp(event, 'data/device', 'drive0') 40890f0b711SPaolo Bonzini self.assert_qmp(event, 'data/operation', 'read') 40990f0b711SPaolo Bonzini error = True 41090f0b711SPaolo Bonzini elif event['event'] == 'BLOCK_JOB_COMPLETED': 41190f0b711SPaolo Bonzini self.assertTrue(error, 'job completed unexpectedly') 41290f0b711SPaolo Bonzini self.assert_qmp(event, 'data/type', 'stream') 41390f0b711SPaolo Bonzini self.assert_qmp(event, 'data/device', 'drive0') 41490f0b711SPaolo Bonzini self.assert_qmp(event, 'data/error', 'Input/output error') 41590f0b711SPaolo Bonzini self.assert_qmp(event, 'data/offset', self.STREAM_BUFFER_SIZE) 41690f0b711SPaolo Bonzini self.assert_qmp(event, 'data/len', self.image_len) 41790f0b711SPaolo Bonzini completed = True 41890f0b711SPaolo Bonzini 419ecc1c88eSStefan Hajnoczi self.assert_no_active_block_jobs() 42090f0b711SPaolo Bonzini self.vm.shutdown() 42190f0b711SPaolo Bonzini 42290f0b711SPaolo Bonziniclass TestENOSPC(TestErrors): 42390f0b711SPaolo Bonzini def setUp(self): 42490f0b711SPaolo Bonzini self.blkdebug_file = backing_img + ".blkdebug" 4252499a096SStefan Hajnoczi iotests.create_image(backing_img, TestErrors.image_len) 42690f0b711SPaolo Bonzini self.create_blkdebug_file(self.blkdebug_file, "read_aio", 28) 42790f0b711SPaolo Bonzini qemu_img('create', '-f', iotests.imgfmt, 42890f0b711SPaolo Bonzini '-o', 'backing_file=blkdebug:%s:%s,backing_fmt=raw' 42990f0b711SPaolo Bonzini % (self.blkdebug_file, backing_img), 43090f0b711SPaolo Bonzini test_img) 43190f0b711SPaolo Bonzini self.vm = iotests.VM().add_drive(test_img) 43290f0b711SPaolo Bonzini self.vm.launch() 43390f0b711SPaolo Bonzini 43490f0b711SPaolo Bonzini def tearDown(self): 43590f0b711SPaolo Bonzini self.vm.shutdown() 43690f0b711SPaolo Bonzini os.remove(test_img) 43790f0b711SPaolo Bonzini os.remove(backing_img) 43890f0b711SPaolo Bonzini os.remove(self.blkdebug_file) 43990f0b711SPaolo Bonzini 44090f0b711SPaolo Bonzini def test_enospc(self): 441ecc1c88eSStefan Hajnoczi self.assert_no_active_block_jobs() 44290f0b711SPaolo Bonzini 44390f0b711SPaolo Bonzini result = self.vm.qmp('block-stream', device='drive0', on_error='enospc') 44490f0b711SPaolo Bonzini self.assert_qmp(result, 'return', {}) 44590f0b711SPaolo Bonzini 44690f0b711SPaolo Bonzini error = False 44790f0b711SPaolo Bonzini completed = False 44890f0b711SPaolo Bonzini while not completed: 44990f0b711SPaolo Bonzini for event in self.vm.get_qmp_events(wait=True): 45090f0b711SPaolo Bonzini if event['event'] == 'BLOCK_JOB_ERROR': 45190f0b711SPaolo Bonzini self.assert_qmp(event, 'data/device', 'drive0') 45290f0b711SPaolo Bonzini self.assert_qmp(event, 'data/operation', 'read') 45390f0b711SPaolo Bonzini 45490f0b711SPaolo Bonzini result = self.vm.qmp('query-block-jobs') 45590f0b711SPaolo Bonzini self.assert_qmp(result, 'return[0]/paused', True) 45690f0b711SPaolo Bonzini self.assert_qmp(result, 'return[0]/offset', self.STREAM_BUFFER_SIZE) 45790f0b711SPaolo Bonzini self.assert_qmp(result, 'return[0]/io-status', 'nospace') 45890f0b711SPaolo Bonzini 45990f0b711SPaolo Bonzini result = self.vm.qmp('block-job-resume', device='drive0') 46090f0b711SPaolo Bonzini self.assert_qmp(result, 'return', {}) 46190f0b711SPaolo Bonzini 46290f0b711SPaolo Bonzini result = self.vm.qmp('query-block-jobs') 46390f0b711SPaolo Bonzini self.assert_qmp(result, 'return[0]/paused', False) 46490f0b711SPaolo Bonzini self.assert_qmp(result, 'return[0]/io-status', 'ok') 46590f0b711SPaolo Bonzini error = True 46690f0b711SPaolo Bonzini elif event['event'] == 'BLOCK_JOB_COMPLETED': 46790f0b711SPaolo Bonzini self.assertTrue(error, 'job completed unexpectedly') 46890f0b711SPaolo Bonzini self.assert_qmp(event, 'data/type', 'stream') 46990f0b711SPaolo Bonzini self.assert_qmp(event, 'data/device', 'drive0') 47090f0b711SPaolo Bonzini self.assert_qmp_absent(event, 'data/error') 47190f0b711SPaolo Bonzini self.assert_qmp(event, 'data/offset', self.image_len) 47290f0b711SPaolo Bonzini self.assert_qmp(event, 'data/len', self.image_len) 47390f0b711SPaolo Bonzini completed = True 47490f0b711SPaolo Bonzini 475ecc1c88eSStefan Hajnoczi self.assert_no_active_block_jobs() 47690f0b711SPaolo Bonzini self.vm.shutdown() 477774a8850SStefan Hajnoczi 4782499a096SStefan Hajnocziclass TestStreamStop(iotests.QMPTestCase): 47937ce63ebSStefan Hajnoczi image_len = 8 * 1024 * 1024 * 1024 # GB 48037ce63ebSStefan Hajnoczi 48137ce63ebSStefan Hajnoczi def setUp(self): 48237ce63ebSStefan Hajnoczi qemu_img('create', backing_img, str(TestStreamStop.image_len)) 48390c9b167SKevin Wolf qemu_io('-f', 'raw', '-c', 'write -P 0x1 0 32M', backing_img) 48437ce63ebSStefan Hajnoczi qemu_img('create', '-f', iotests.imgfmt, '-o', 'backing_file=%s' % backing_img, test_img) 48590c9b167SKevin Wolf qemu_io('-f', iotests.imgfmt, '-c', 'write -P 0x1 32M 32M', test_img) 486b59b3d57SFam Zheng self.vm = iotests.VM().add_drive("blkdebug::" + test_img) 48737ce63ebSStefan Hajnoczi self.vm.launch() 48837ce63ebSStefan Hajnoczi 48937ce63ebSStefan Hajnoczi def tearDown(self): 49037ce63ebSStefan Hajnoczi self.vm.shutdown() 49137ce63ebSStefan Hajnoczi os.remove(test_img) 49237ce63ebSStefan Hajnoczi os.remove(backing_img) 49337ce63ebSStefan Hajnoczi 49437ce63ebSStefan Hajnoczi def test_stream_stop(self): 495ecc1c88eSStefan Hajnoczi self.assert_no_active_block_jobs() 49637ce63ebSStefan Hajnoczi 497b59b3d57SFam Zheng self.vm.pause_drive('drive0') 498db58f9c0SStefan Hajnoczi result = self.vm.qmp('block-stream', device='drive0') 49937ce63ebSStefan Hajnoczi self.assert_qmp(result, 'return', {}) 50037ce63ebSStefan Hajnoczi 5010fd05e8dSPaolo Bonzini time.sleep(0.1) 50237ce63ebSStefan Hajnoczi events = self.vm.get_qmp_events(wait=False) 50337ce63ebSStefan Hajnoczi self.assertEqual(events, [], 'unexpected QMP event: %s' % events) 50437ce63ebSStefan Hajnoczi 505b59b3d57SFam Zheng self.cancel_and_wait(resume=True) 50637ce63ebSStefan Hajnoczi 5072499a096SStefan Hajnocziclass TestSetSpeed(iotests.QMPTestCase): 50837ce63ebSStefan Hajnoczi image_len = 80 * 1024 * 1024 # MB 50937ce63ebSStefan Hajnoczi 51037ce63ebSStefan Hajnoczi def setUp(self): 51137ce63ebSStefan Hajnoczi qemu_img('create', backing_img, str(TestSetSpeed.image_len)) 51290c9b167SKevin Wolf qemu_io('-f', 'raw', '-c', 'write -P 0x1 0 32M', backing_img) 51337ce63ebSStefan Hajnoczi qemu_img('create', '-f', iotests.imgfmt, '-o', 'backing_file=%s' % backing_img, test_img) 51490c9b167SKevin Wolf qemu_io('-f', iotests.imgfmt, '-c', 'write -P 0x1 32M 32M', test_img) 515b59b3d57SFam Zheng self.vm = iotests.VM().add_drive('blkdebug::' + test_img) 51637ce63ebSStefan Hajnoczi self.vm.launch() 51737ce63ebSStefan Hajnoczi 51837ce63ebSStefan Hajnoczi def tearDown(self): 51937ce63ebSStefan Hajnoczi self.vm.shutdown() 52037ce63ebSStefan Hajnoczi os.remove(test_img) 52137ce63ebSStefan Hajnoczi os.remove(backing_img) 52237ce63ebSStefan Hajnoczi 523e425306aSStefan Hajnoczi # This is a short performance test which is not run by default. 524e425306aSStefan Hajnoczi # Invoke "IMGFMT=qed ./030 TestSetSpeed.perf_test_throughput" 525e425306aSStefan Hajnoczi def perf_test_throughput(self): 526ecc1c88eSStefan Hajnoczi self.assert_no_active_block_jobs() 52737ce63ebSStefan Hajnoczi 528db58f9c0SStefan Hajnoczi result = self.vm.qmp('block-stream', device='drive0') 52937ce63ebSStefan Hajnoczi self.assert_qmp(result, 'return', {}) 53037ce63ebSStefan Hajnoczi 531e425306aSStefan Hajnoczi result = self.vm.qmp('block-job-set-speed', device='drive0', speed=8 * 1024 * 1024) 53237ce63ebSStefan Hajnoczi self.assert_qmp(result, 'return', {}) 53337ce63ebSStefan Hajnoczi 5349974ad40SFam Zheng self.wait_until_completed() 53537ce63ebSStefan Hajnoczi 536ecc1c88eSStefan Hajnoczi self.assert_no_active_block_jobs() 53737ce63ebSStefan Hajnoczi 538e425306aSStefan Hajnoczi def test_set_speed(self): 539ecc1c88eSStefan Hajnoczi self.assert_no_active_block_jobs() 540e425306aSStefan Hajnoczi 541b59b3d57SFam Zheng self.vm.pause_drive('drive0') 542e425306aSStefan Hajnoczi result = self.vm.qmp('block-stream', device='drive0') 543e425306aSStefan Hajnoczi self.assert_qmp(result, 'return', {}) 544e425306aSStefan Hajnoczi 545e425306aSStefan Hajnoczi # Default speed is 0 546e425306aSStefan Hajnoczi result = self.vm.qmp('query-block-jobs') 547e425306aSStefan Hajnoczi self.assert_qmp(result, 'return[0]/device', 'drive0') 548e425306aSStefan Hajnoczi self.assert_qmp(result, 'return[0]/speed', 0) 549e425306aSStefan Hajnoczi 550e425306aSStefan Hajnoczi result = self.vm.qmp('block-job-set-speed', device='drive0', speed=8 * 1024 * 1024) 551e425306aSStefan Hajnoczi self.assert_qmp(result, 'return', {}) 552e425306aSStefan Hajnoczi 553e425306aSStefan Hajnoczi # Ensure the speed we set was accepted 554e425306aSStefan Hajnoczi result = self.vm.qmp('query-block-jobs') 555e425306aSStefan Hajnoczi self.assert_qmp(result, 'return[0]/device', 'drive0') 556e425306aSStefan Hajnoczi self.assert_qmp(result, 'return[0]/speed', 8 * 1024 * 1024) 557e425306aSStefan Hajnoczi 558b59b3d57SFam Zheng self.cancel_and_wait(resume=True) 559b59b3d57SFam Zheng self.vm.pause_drive('drive0') 560e425306aSStefan Hajnoczi 561e425306aSStefan Hajnoczi # Check setting speed in block-stream works 562e425306aSStefan Hajnoczi result = self.vm.qmp('block-stream', device='drive0', speed=4 * 1024 * 1024) 563e425306aSStefan Hajnoczi self.assert_qmp(result, 'return', {}) 564e425306aSStefan Hajnoczi 565e425306aSStefan Hajnoczi result = self.vm.qmp('query-block-jobs') 566e425306aSStefan Hajnoczi self.assert_qmp(result, 'return[0]/device', 'drive0') 567e425306aSStefan Hajnoczi self.assert_qmp(result, 'return[0]/speed', 4 * 1024 * 1024) 568e425306aSStefan Hajnoczi 569b59b3d57SFam Zheng self.cancel_and_wait(resume=True) 570e425306aSStefan Hajnoczi 571e425306aSStefan Hajnoczi def test_set_speed_invalid(self): 572ecc1c88eSStefan Hajnoczi self.assert_no_active_block_jobs() 573e425306aSStefan Hajnoczi 574e425306aSStefan Hajnoczi result = self.vm.qmp('block-stream', device='drive0', speed=-1) 57558c8cce2SKevin Wolf self.assert_qmp(result, 'error/class', 'GenericError') 576e425306aSStefan Hajnoczi 577ecc1c88eSStefan Hajnoczi self.assert_no_active_block_jobs() 578e425306aSStefan Hajnoczi 579e425306aSStefan Hajnoczi result = self.vm.qmp('block-stream', device='drive0') 580e425306aSStefan Hajnoczi self.assert_qmp(result, 'return', {}) 581e425306aSStefan Hajnoczi 582e425306aSStefan Hajnoczi result = self.vm.qmp('block-job-set-speed', device='drive0', speed=-1) 58358c8cce2SKevin Wolf self.assert_qmp(result, 'error/class', 'GenericError') 584e425306aSStefan Hajnoczi 585e425306aSStefan Hajnoczi self.cancel_and_wait() 586e425306aSStefan Hajnoczi 58737ce63ebSStefan Hajnocziif __name__ == '__main__': 58837ce63ebSStefan Hajnoczi iotests.main(supported_fmts=['qcow2', 'qed']) 589