machine_s390_ccw_virtio.py (13917B)
1 # Functional test that boots an s390x Linux guest with ccw and PCI devices 2 # attached and checks whether the devices are recognized by Linux 3 # 4 # Copyright (c) 2020 Red Hat, Inc. 5 # 6 # Author: 7 # Cornelia Huck <cohuck@redhat.com> 8 # 9 # This work is licensed under the terms of the GNU GPL, version 2 or 10 # later. See the COPYING file in the top-level directory. 11 12 import os 13 import tempfile 14 15 from avocado import skipIf 16 from avocado_qemu import QemuSystemTest 17 from avocado_qemu import exec_command_and_wait_for_pattern 18 from avocado_qemu import wait_for_console_pattern 19 from avocado.utils import archive 20 21 class S390CCWVirtioMachine(QemuSystemTest): 22 KERNEL_COMMON_COMMAND_LINE = 'printk.time=0 ' 23 24 timeout = 120 25 26 def wait_for_console_pattern(self, success_message, vm=None): 27 wait_for_console_pattern(self, success_message, 28 failure_message='Kernel panic - not syncing', 29 vm=vm) 30 31 def wait_for_crw_reports(self): 32 exec_command_and_wait_for_pattern(self, 33 'while ! (dmesg -c | grep CRW) ; do sleep 1 ; done', 34 'CRW reports') 35 36 dmesg_clear_count = 1 37 def clear_guest_dmesg(self): 38 exec_command_and_wait_for_pattern(self, 'dmesg -c > /dev/null; ' 39 'echo dm_clear\ ' + str(self.dmesg_clear_count), 40 'dm_clear ' + str(self.dmesg_clear_count)) 41 self.dmesg_clear_count += 1 42 43 def test_s390x_devices(self): 44 45 """ 46 :avocado: tags=arch:s390x 47 :avocado: tags=machine:s390-ccw-virtio 48 """ 49 50 kernel_url = ('https://snapshot.debian.org/archive/debian/' 51 '20201126T092837Z/dists/buster/main/installer-s390x/' 52 '20190702+deb10u6/images/generic/kernel.debian') 53 kernel_hash = '5821fbee57d6220a067a8b967d24595621aa1eb6' 54 kernel_path = self.fetch_asset(kernel_url, asset_hash=kernel_hash) 55 56 initrd_url = ('https://snapshot.debian.org/archive/debian/' 57 '20201126T092837Z/dists/buster/main/installer-s390x/' 58 '20190702+deb10u6/images/generic/initrd.debian') 59 initrd_hash = '81ba09c97bef46e8f4660ac25b4ac0a5be3a94d6' 60 initrd_path = self.fetch_asset(initrd_url, asset_hash=initrd_hash) 61 62 self.vm.set_console() 63 kernel_command_line = (self.KERNEL_COMMON_COMMAND_LINE + 64 'console=sclp0 root=/dev/ram0 BOOT_DEBUG=3') 65 self.vm.add_args('-nographic', 66 '-kernel', kernel_path, 67 '-initrd', initrd_path, 68 '-append', kernel_command_line, 69 '-cpu', 'max,prno-trng=off', 70 '-device', 'virtio-net-ccw,devno=fe.1.1111', 71 '-device', 72 'virtio-rng-ccw,devno=fe.2.0000,max_revision=0,id=rn1', 73 '-device', 74 'virtio-rng-ccw,devno=fe.3.1234,max_revision=2,id=rn2', 75 '-device', 'zpci,uid=5,target=zzz', 76 '-device', 'virtio-net-pci,id=zzz', 77 '-device', 'zpci,uid=0xa,fid=12,target=serial', 78 '-device', 'virtio-serial-pci,id=serial', 79 '-device', 'virtio-balloon-ccw') 80 self.vm.launch() 81 82 shell_ready = "sh: can't access tty; job control turned off" 83 self.wait_for_console_pattern(shell_ready) 84 # first debug shell is too early, we need to wait for device detection 85 exec_command_and_wait_for_pattern(self, 'exit', shell_ready) 86 87 ccw_bus_ids="0.1.1111 0.2.0000 0.3.1234" 88 pci_bus_ids="0005:00:00.0 000a:00:00.0" 89 exec_command_and_wait_for_pattern(self, 'ls /sys/bus/ccw/devices/', 90 ccw_bus_ids) 91 exec_command_and_wait_for_pattern(self, 'ls /sys/bus/pci/devices/', 92 pci_bus_ids) 93 # check that the device at 0.2.0000 is in legacy mode, while the 94 # device at 0.3.1234 has the virtio-1 feature bit set 95 virtio_rng_features="00000000000000000000000000001100" + \ 96 "10000000000000000000000000000000" 97 virtio_rng_features_legacy="00000000000000000000000000001100" + \ 98 "00000000000000000000000000000000" 99 exec_command_and_wait_for_pattern(self, 100 'cat /sys/bus/ccw/devices/0.2.0000/virtio?/features', 101 virtio_rng_features_legacy) 102 exec_command_and_wait_for_pattern(self, 103 'cat /sys/bus/ccw/devices/0.3.1234/virtio?/features', 104 virtio_rng_features) 105 # check that /dev/hwrng works - and that it's gone after ejecting 106 exec_command_and_wait_for_pattern(self, 107 'dd if=/dev/hwrng of=/dev/null bs=1k count=10', 108 '10+0 records out') 109 self.clear_guest_dmesg() 110 self.vm.command('device_del', id='rn1') 111 self.wait_for_crw_reports() 112 self.clear_guest_dmesg() 113 self.vm.command('device_del', id='rn2') 114 self.wait_for_crw_reports() 115 exec_command_and_wait_for_pattern(self, 116 'dd if=/dev/hwrng of=/dev/null bs=1k count=10', 117 'dd: /dev/hwrng: No such device') 118 # verify that we indeed have virtio-net devices (without having the 119 # virtio-net driver handy) 120 exec_command_and_wait_for_pattern(self, 121 'cat /sys/bus/ccw/devices/0.1.1111/cutype', 122 '3832/01') 123 exec_command_and_wait_for_pattern(self, 124 'cat /sys/bus/pci/devices/0005\:00\:00.0/subsystem_vendor', 125 '0x1af4') 126 exec_command_and_wait_for_pattern(self, 127 'cat /sys/bus/pci/devices/0005\:00\:00.0/subsystem_device', 128 '0x0001') 129 # check fid propagation 130 exec_command_and_wait_for_pattern(self, 131 'cat /sys/bus/pci/devices/000a\:00\:00.0/function_id', 132 '0x0000000c') 133 # add another device 134 self.clear_guest_dmesg() 135 self.vm.command('device_add', driver='virtio-net-ccw', 136 devno='fe.0.4711', id='net_4711') 137 self.wait_for_crw_reports() 138 exec_command_and_wait_for_pattern(self, 'for i in 1 2 3 4 5 6 7 ; do ' 139 'if [ -e /sys/bus/ccw/devices/*4711 ]; then break; fi ;' 140 'sleep 1 ; done ; ls /sys/bus/ccw/devices/', 141 '0.0.4711') 142 # and detach it again 143 self.clear_guest_dmesg() 144 self.vm.command('device_del', id='net_4711') 145 self.vm.event_wait(name='DEVICE_DELETED', 146 match={'data': {'device': 'net_4711'}}) 147 self.wait_for_crw_reports() 148 exec_command_and_wait_for_pattern(self, 149 'ls /sys/bus/ccw/devices/0.0.4711', 150 'No such file or directory') 151 # test the virtio-balloon device 152 exec_command_and_wait_for_pattern(self, 'head -n 1 /proc/meminfo', 153 'MemTotal: 115640 kB') 154 self.vm.command('human-monitor-command', command_line='balloon 96') 155 exec_command_and_wait_for_pattern(self, 'head -n 1 /proc/meminfo', 156 'MemTotal: 82872 kB') 157 self.vm.command('human-monitor-command', command_line='balloon 128') 158 exec_command_and_wait_for_pattern(self, 'head -n 1 /proc/meminfo', 159 'MemTotal: 115640 kB') 160 161 162 @skipIf(os.getenv('GITLAB_CI'), 'Running on GitLab') 163 def test_s390x_fedora(self): 164 165 """ 166 :avocado: tags=arch:s390x 167 :avocado: tags=machine:s390-ccw-virtio 168 :avocado: tags=device:virtio-gpu 169 :avocado: tags=device:virtio-crypto 170 :avocado: tags=device:virtio-net 171 """ 172 173 kernel_url = ('https://archives.fedoraproject.org/pub/archive' 174 '/fedora-secondary/releases/31/Server/s390x/os' 175 '/images/kernel.img') 176 kernel_hash = 'b93d1efcafcf29c1673a4ce371a1f8b43941cfeb' 177 kernel_path = self.fetch_asset(kernel_url, asset_hash=kernel_hash) 178 179 initrd_url = ('https://archives.fedoraproject.org/pub/archive' 180 '/fedora-secondary/releases/31/Server/s390x/os' 181 '/images/initrd.img') 182 initrd_hash = '3de45d411df5624b8d8ef21cd0b44419ab59b12f' 183 initrd_path_xz = self.fetch_asset(initrd_url, asset_hash=initrd_hash) 184 initrd_path = os.path.join(self.workdir, 'initrd-raw.img') 185 archive.lzma_uncompress(initrd_path_xz, initrd_path) 186 187 self.vm.set_console() 188 kernel_command_line = (self.KERNEL_COMMON_COMMAND_LINE + ' audit=0 ' 189 'rd.plymouth=0 plymouth.enable=0 rd.rescue') 190 self.vm.add_args('-nographic', 191 '-smp', '4', 192 '-m', '512', 193 '-name', 'Some Guest Name', 194 '-uuid', '30de4fd9-b4d5-409e-86a5-09b387f70bfa', 195 '-kernel', kernel_path, 196 '-initrd', initrd_path, 197 '-append', kernel_command_line, 198 '-device', 'zpci,uid=7,target=n', 199 '-device', 'virtio-net-pci,id=n,mac=02:ca:fe:fa:ce:12', 200 '-device', 'virtio-rng-ccw,devno=fe.1.9876', 201 '-device', 'virtio-gpu-ccw,devno=fe.2.5432') 202 self.vm.launch() 203 self.wait_for_console_pattern('Entering emergency mode') 204 205 # Some tests to see whether the CLI options have been considered: 206 self.log.info("Test whether QEMU CLI options have been considered") 207 exec_command_and_wait_for_pattern(self, 208 'while ! (dmesg | grep enP7p0s0) ; do sleep 1 ; done', 209 'virtio_net virtio0 enP7p0s0: renamed') 210 exec_command_and_wait_for_pattern(self, 'lspci', 211 '0007:00:00.0 Class 0200: Device 1af4:1000') 212 exec_command_and_wait_for_pattern(self, 213 'cat /sys/class/net/enP7p0s0/address', 214 '02:ca:fe:fa:ce:12') 215 exec_command_and_wait_for_pattern(self, 'lscss', '0.1.9876') 216 exec_command_and_wait_for_pattern(self, 'lscss', '0.2.5432') 217 exec_command_and_wait_for_pattern(self, 'cat /proc/cpuinfo', 218 'processors : 4') 219 exec_command_and_wait_for_pattern(self, 'grep MemTotal /proc/meminfo', 220 'MemTotal: 499848 kB') 221 exec_command_and_wait_for_pattern(self, 'grep Name /proc/sysinfo', 222 'Extended Name: Some Guest Name') 223 exec_command_and_wait_for_pattern(self, 'grep UUID /proc/sysinfo', 224 '30de4fd9-b4d5-409e-86a5-09b387f70bfa') 225 226 # Disable blinking cursor, then write some stuff into the framebuffer. 227 # QEMU's PPM screendumps contain uncompressed 24-bit values, while the 228 # framebuffer uses 32-bit, so we pad our text with some spaces when 229 # writing to the framebuffer. Since the PPM is uncompressed, we then 230 # can simply read the written "magic bytes" back from the PPM file to 231 # check whether the framebuffer is working as expected. 232 self.log.info("Test screendump of virtio-gpu device") 233 exec_command_and_wait_for_pattern(self, 234 'while ! (dmesg | grep gpudrmfb) ; do sleep 1 ; done', 235 'virtio_gpudrmfb frame buffer device') 236 exec_command_and_wait_for_pattern(self, 237 'echo -e "\e[?25l" > /dev/tty0', ':/#') 238 exec_command_and_wait_for_pattern(self, 'for ((i=0;i<250;i++)); do ' 239 'echo " The qu ick fo x j ump s o ver a laz y d og" >> fox.txt;' 240 'done', 241 ':/#') 242 exec_command_and_wait_for_pattern(self, 243 'dd if=fox.txt of=/dev/fb0 bs=1000 oflag=sync,nocache ; rm fox.txt', 244 '12+0 records out') 245 with tempfile.NamedTemporaryFile(suffix='.ppm', 246 prefix='qemu-scrdump-') as ppmfile: 247 self.vm.command('screendump', filename=ppmfile.name) 248 ppmfile.seek(0) 249 line = ppmfile.readline() 250 self.assertEqual(line, b"P6\n") 251 line = ppmfile.readline() 252 self.assertEqual(line, b"1280 800\n") 253 line = ppmfile.readline() 254 self.assertEqual(line, b"255\n") 255 line = ppmfile.readline(256) 256 self.assertEqual(line, b"The quick fox jumps over a lazy dog\n") 257 258 # Hot-plug a virtio-crypto device and see whether it gets accepted 259 self.log.info("Test hot-plug virtio-crypto device") 260 self.clear_guest_dmesg() 261 self.vm.command('object-add', qom_type='cryptodev-backend-builtin', 262 id='cbe0') 263 self.vm.command('device_add', driver='virtio-crypto-ccw', id='crypdev0', 264 cryptodev='cbe0', devno='fe.0.2342') 265 exec_command_and_wait_for_pattern(self, 266 'while ! (dmesg -c | grep Accelerator.device) ; do' 267 ' sleep 1 ; done', 'Accelerator device is ready') 268 exec_command_and_wait_for_pattern(self, 'lscss', '0.0.2342') 269 self.vm.command('device_del', id='crypdev0') 270 self.vm.command('object-del', id='cbe0') 271 exec_command_and_wait_for_pattern(self, 272 'while ! (dmesg -c | grep Start.virtcrypto_remove) ; do' 273 ' sleep 1 ; done', 'Start virtcrypto_remove.')