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Cornelia Huck2d9ca5a2020-11-26 14:01:58 +01001# 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
Thomas Huth24bfaae2020-12-21 15:34:23 +010012import os
13import tempfile
Cornelia Huck2d9ca5a2020-11-26 14:01:58 +010014
Thomas Huth333168e2021-01-08 19:56:45 +010015from avocado import skipIf
Philippe Mathieu-Daudé2283b622021-09-27 18:14:33 +020016from avocado_qemu import QemuSystemTest
Cornelia Huck2d9ca5a2020-11-26 14:01:58 +010017from avocado_qemu import exec_command_and_wait_for_pattern
18from avocado_qemu import wait_for_console_pattern
Thomas Huth24bfaae2020-12-21 15:34:23 +010019from avocado.utils import archive
Cornelia Huck2d9ca5a2020-11-26 14:01:58 +010020
Philippe Mathieu-Daudé2283b622021-09-27 18:14:33 +020021class S390CCWVirtioMachine(QemuSystemTest):
Cornelia Huck2d9ca5a2020-11-26 14:01:58 +010022 KERNEL_COMMON_COMMAND_LINE = 'printk.time=0 '
23
Thomas Huth09d44552020-12-15 19:36:21 +010024 timeout = 120
25
Cornelia Huck2d9ca5a2020-11-26 14:01:58 +010026 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
Thomas Huth09d44552020-12-15 19:36:21 +010031 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
Cornelia Huck2d9ca5a2020-11-26 14:01:58 +010042
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,
Jason A. Donenfeld3dbc5fd2022-09-21 12:07:29 +020069 '-cpu', 'max,prno-trng=off',
Cornelia Huck2d9ca5a2020-11-26 14:01:58 +010070 '-device', 'virtio-net-ccw,devno=fe.1.1111',
Cornelia Huck083470b2020-11-30 19:02:14 +010071 '-device',
Thomas Huth7e549422020-12-15 19:36:22 +010072 'virtio-rng-ccw,devno=fe.2.0000,max_revision=0,id=rn1',
Cornelia Huck083470b2020-11-30 19:02:14 +010073 '-device',
Thomas Huth7e549422020-12-15 19:36:22 +010074 'virtio-rng-ccw,devno=fe.3.1234,max_revision=2,id=rn2',
Cornelia Huck2d9ca5a2020-11-26 14:01:58 +010075 '-device', 'zpci,uid=5,target=zzz',
Cornelia Huck085cec52020-11-30 19:02:16 +010076 '-device', 'virtio-net-pci,id=zzz',
77 '-device', 'zpci,uid=0xa,fid=12,target=serial',
Thomas Huthd986bc42020-12-15 19:36:23 +010078 '-device', 'virtio-serial-pci,id=serial',
79 '-device', 'virtio-balloon-ccw')
Cornelia Huck2d9ca5a2020-11-26 14:01:58 +010080 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
Cornelia Huck083470b2020-11-30 19:02:14 +010087 ccw_bus_ids="0.1.1111 0.2.0000 0.3.1234"
Cornelia Huck085cec52020-11-30 19:02:16 +010088 pci_bus_ids="0005:00:00.0 000a:00:00.0"
Cornelia Huck2d9ca5a2020-11-26 14:01:58 +010089 exec_command_and_wait_for_pattern(self, 'ls /sys/bus/ccw/devices/',
Cornelia Huck083470b2020-11-30 19:02:14 +010090 ccw_bus_ids)
Cornelia Huck2d9ca5a2020-11-26 14:01:58 +010091 exec_command_and_wait_for_pattern(self, 'ls /sys/bus/pci/devices/',
Cornelia Huck085cec52020-11-30 19:02:16 +010092 pci_bus_ids)
Cornelia Huck083470b2020-11-30 19:02:14 +010093 # 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)
Thomas Huth7e549422020-12-15 19:36:22 +0100105 # 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')
Cornelia Huck864852c2020-11-30 19:02:15 +0100118 # 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')
Cornelia Huck085cec52020-11-30 19:02:16 +0100129 # 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')
Cornelia Huck44637c42020-12-08 13:28:43 +0100133 # add another device
Thomas Huth09d44552020-12-15 19:36:21 +0100134 self.clear_guest_dmesg()
Cornelia Huck44637c42020-12-08 13:28:43 +0100135 self.vm.command('device_add', driver='virtio-net-ccw',
136 devno='fe.0.4711', id='net_4711')
Thomas Huth09d44552020-12-15 19:36:21 +0100137 self.wait_for_crw_reports()
Thomas Huth333168e2021-01-08 19:56:45 +0100138 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')
Cornelia Huck44637c42020-12-08 13:28:43 +0100142 # and detach it again
Thomas Huth09d44552020-12-15 19:36:21 +0100143 self.clear_guest_dmesg()
Cornelia Huck44637c42020-12-08 13:28:43 +0100144 self.vm.command('device_del', id='net_4711')
145 self.vm.event_wait(name='DEVICE_DELETED',
146 match={'data': {'device': 'net_4711'}})
Thomas Huth09d44552020-12-15 19:36:21 +0100147 self.wait_for_crw_reports()
Cornelia Huck44637c42020-12-08 13:28:43 +0100148 exec_command_and_wait_for_pattern(self,
149 'ls /sys/bus/ccw/devices/0.0.4711',
150 'No such file or directory')
Thomas Huthd986bc42020-12-15 19:36:23 +0100151 # 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')
Thomas Huth24bfaae2020-12-21 15:34:23 +0100160
161
Thomas Huth333168e2021-01-08 19:56:45 +0100162 @skipIf(os.getenv('GITLAB_CI'), 'Running on GitLab')
Thomas Huth24bfaae2020-12-21 15:34:23 +0100163 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")
Thomas Huth333168e2021-01-08 19:56:45 +0100207 exec_command_and_wait_for_pattern(self,
208 'while ! (dmesg | grep enP7p0s0) ; do sleep 1 ; done',
209 'virtio_net virtio0 enP7p0s0: renamed')
Thomas Huth24bfaae2020-12-21 15:34:23 +0100210 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,
Thomas Huth333168e2021-01-08 19:56:45 +0100234 'while ! (dmesg | grep gpudrmfb) ; do sleep 1 ; done',
235 'virtio_gpudrmfb frame buffer device')
236 exec_command_and_wait_for_pattern(self,
Thomas Huth24bfaae2020-12-21 15:34:23 +0100237 '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()
Thomas Huthf3f230d2022-02-21 11:19:33 +0100252 self.assertEqual(line, b"1280 800\n")
Thomas Huth24bfaae2020-12-21 15:34:23 +0100253 line = ppmfile.readline()
254 self.assertEqual(line, b"255\n")
Alex Bennée93eaabd2021-01-05 12:44:05 +0000255 line = ppmfile.readline(256)
Thomas Huth24bfaae2020-12-21 15:34:23 +0100256 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.')