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 13from avocado_qemu import Test 14from avocado_qemu import exec_command_and_wait_for_pattern 15from avocado_qemu import wait_for_console_pattern 16 17class S390CCWVirtioMachine(Test): 18 KERNEL_COMMON_COMMAND_LINE = 'printk.time=0 ' 19 20 def wait_for_console_pattern(self, success_message, vm=None): 21 wait_for_console_pattern(self, success_message, 22 failure_message='Kernel panic - not syncing', 23 vm=vm) 24 25 timeout = 120 26 27 def test_s390x_devices(self): 28 29 """ 30 :avocado: tags=arch:s390x 31 :avocado: tags=machine:s390-ccw-virtio 32 """ 33 34 kernel_url = ('https://snapshot.debian.org/archive/debian/' 35 '20201126T092837Z/dists/buster/main/installer-s390x/' 36 '20190702+deb10u6/images/generic/kernel.debian') 37 kernel_hash = '5821fbee57d6220a067a8b967d24595621aa1eb6' 38 kernel_path = self.fetch_asset(kernel_url, asset_hash=kernel_hash) 39 40 initrd_url = ('https://snapshot.debian.org/archive/debian/' 41 '20201126T092837Z/dists/buster/main/installer-s390x/' 42 '20190702+deb10u6/images/generic/initrd.debian') 43 initrd_hash = '81ba09c97bef46e8f4660ac25b4ac0a5be3a94d6' 44 initrd_path = self.fetch_asset(initrd_url, asset_hash=initrd_hash) 45 46 self.vm.set_console() 47 kernel_command_line = (self.KERNEL_COMMON_COMMAND_LINE + 48 'console=sclp0 root=/dev/ram0 BOOT_DEBUG=3') 49 self.vm.add_args('-nographic', 50 '-kernel', kernel_path, 51 '-initrd', initrd_path, 52 '-append', kernel_command_line, 53 '-device', 'virtio-net-ccw,devno=fe.1.1111', 54 '-device', 'zpci,uid=5,target=zzz', 55 '-device', 'virtio-net-pci,id=zzz') 56 self.vm.launch() 57 58 shell_ready = "sh: can't access tty; job control turned off" 59 self.wait_for_console_pattern(shell_ready) 60 # first debug shell is too early, we need to wait for device detection 61 exec_command_and_wait_for_pattern(self, 'exit', shell_ready) 62 63 ccw_bus_id="0.1.1111" 64 pci_bus_id="0005:00:00.0" 65 exec_command_and_wait_for_pattern(self, 'ls /sys/bus/ccw/devices/', 66 ccw_bus_id) 67 exec_command_and_wait_for_pattern(self, 'ls /sys/bus/pci/devices/', 68 pci_bus_id) 69