102 lines
4.7 KiB
Python
102 lines
4.7 KiB
Python
# 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')
|