| # Functional test that boots an s390x Linux guest with ccw and PCI devices |
| # attached and checks whether the devices are recognized by Linux |
| # |
| # Copyright (c) 2020 Red Hat, Inc. |
| # |
| # Author: |
| # Cornelia Huck <cohuck@redhat.com> |
| # |
| # This work is licensed under the terms of the GNU GPL, version 2 or |
| # later. See the COPYING file in the top-level directory. |
| |
| |
| from avocado_qemu import Test |
| from avocado_qemu import exec_command_and_wait_for_pattern |
| from avocado_qemu import wait_for_console_pattern |
| |
| class S390CCWVirtioMachine(Test): |
| KERNEL_COMMON_COMMAND_LINE = 'printk.time=0 ' |
| |
| def wait_for_console_pattern(self, success_message, vm=None): |
| wait_for_console_pattern(self, success_message, |
| failure_message='Kernel panic - not syncing', |
| vm=vm) |
| |
| timeout = 120 |
| |
| def test_s390x_devices(self): |
| |
| """ |
| :avocado: tags=arch:s390x |
| :avocado: tags=machine:s390-ccw-virtio |
| """ |
| |
| kernel_url = ('https://snapshot.debian.org/archive/debian/' |
| '20201126T092837Z/dists/buster/main/installer-s390x/' |
| '20190702+deb10u6/images/generic/kernel.debian') |
| kernel_hash = '5821fbee57d6220a067a8b967d24595621aa1eb6' |
| kernel_path = self.fetch_asset(kernel_url, asset_hash=kernel_hash) |
| |
| initrd_url = ('https://snapshot.debian.org/archive/debian/' |
| '20201126T092837Z/dists/buster/main/installer-s390x/' |
| '20190702+deb10u6/images/generic/initrd.debian') |
| initrd_hash = '81ba09c97bef46e8f4660ac25b4ac0a5be3a94d6' |
| initrd_path = self.fetch_asset(initrd_url, asset_hash=initrd_hash) |
| |
| self.vm.set_console() |
| kernel_command_line = (self.KERNEL_COMMON_COMMAND_LINE + |
| 'console=sclp0 root=/dev/ram0 BOOT_DEBUG=3') |
| self.vm.add_args('-nographic', |
| '-kernel', kernel_path, |
| '-initrd', initrd_path, |
| '-append', kernel_command_line, |
| '-device', 'virtio-net-ccw,devno=fe.1.1111', |
| '-device', |
| 'virtio-rng-ccw,devno=fe.2.0000,max_revision=0', |
| '-device', |
| 'virtio-rng-ccw,devno=fe.3.1234,max_revision=2', |
| '-device', 'zpci,uid=5,target=zzz', |
| '-device', 'virtio-net-pci,id=zzz', |
| '-device', 'zpci,uid=0xa,fid=12,target=serial', |
| '-device', 'virtio-serial-pci,id=serial') |
| self.vm.launch() |
| |
| shell_ready = "sh: can't access tty; job control turned off" |
| self.wait_for_console_pattern(shell_ready) |
| # first debug shell is too early, we need to wait for device detection |
| exec_command_and_wait_for_pattern(self, 'exit', shell_ready) |
| |
| ccw_bus_ids="0.1.1111 0.2.0000 0.3.1234" |
| pci_bus_ids="0005:00:00.0 000a:00:00.0" |
| exec_command_and_wait_for_pattern(self, 'ls /sys/bus/ccw/devices/', |
| ccw_bus_ids) |
| exec_command_and_wait_for_pattern(self, 'ls /sys/bus/pci/devices/', |
| pci_bus_ids) |
| # check that the device at 0.2.0000 is in legacy mode, while the |
| # device at 0.3.1234 has the virtio-1 feature bit set |
| virtio_rng_features="00000000000000000000000000001100" + \ |
| "10000000000000000000000000000000" |
| virtio_rng_features_legacy="00000000000000000000000000001100" + \ |
| "00000000000000000000000000000000" |
| exec_command_and_wait_for_pattern(self, |
| 'cat /sys/bus/ccw/devices/0.2.0000/virtio?/features', |
| virtio_rng_features_legacy) |
| exec_command_and_wait_for_pattern(self, |
| 'cat /sys/bus/ccw/devices/0.3.1234/virtio?/features', |
| virtio_rng_features) |
| # verify that we indeed have virtio-net devices (without having the |
| # virtio-net driver handy) |
| exec_command_and_wait_for_pattern(self, |
| 'cat /sys/bus/ccw/devices/0.1.1111/cutype', |
| '3832/01') |
| exec_command_and_wait_for_pattern(self, |
| 'cat /sys/bus/pci/devices/0005\:00\:00.0/subsystem_vendor', |
| '0x1af4') |
| exec_command_and_wait_for_pattern(self, |
| 'cat /sys/bus/pci/devices/0005\:00\:00.0/subsystem_device', |
| '0x0001') |
| # check fid propagation |
| exec_command_and_wait_for_pattern(self, |
| 'cat /sys/bus/pci/devices/000a\:00\:00.0/function_id', |
| '0x0000000c') |
