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tests/acceptance: add a test for devices on s390x 

This adds a very basic test for checking that we present devices
in a way that Linux can consume: boot with both virtio-net-ccw and
virtio-net-pci attached and then verify that Linux is able to see
and detect these devices.

Signed-off-by: Cornelia Huck <cohuck@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Wainer dos Santos Moschetta <wainersm@redhat.com>
Message-Id: <20201126130158.1471985-1-cohuck@redhat.com>
This commit is contained in:
Cornelia Huck 2020-11-26 14:01:58 +01:00
parent 592711e330
commit 2d9ca5a37b
2 changed files with 69 additions and 0 deletions
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@ -1426,6 +1426,7 @@ F: include/hw/s390x/
F: hw/watchdog/wdt_diag288.c
F: include/hw/watchdog/wdt_diag288.h
F: default-configs/s390x-softmmu.mak
F: tests/acceptance/machine_s390_ccw_virtio.py
T: git https://github.com/cohuck/qemu.git s390-next
T: git https://github.com/borntraeger/qemu.git s390-next
L: qemu-s390x@nongnu.org

68
tests/acceptance/machine_s390_ccw_virtio.py Normal file
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@ -0,0 +1,68 @@
# 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', 'zpci,uid=5,target=zzz',
'-device', 'virtio-net-pci,id=zzz')
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_id="0.1.1111"
pci_bus_id="0005:00:00.0"
exec_command_and_wait_for_pattern(self, 'ls /sys/bus/ccw/devices/',
ccw_bus_id)
exec_command_and_wait_for_pattern(self, 'ls /sys/bus/pci/devices/',
pci_bus_id)