tests/avocado/machine_aarch64_virt.py

   1 # Functional test that boots a various Linux systems and checks the
   2 # console output.
   3 #
   4 # Copyright (c) 2022 Linaro Ltd.
   5 #
   6 # Author:
   7 #  Alex Bennée <alex.bennee@linaro.org>
   8 #
   9 # SPDX-License-Identifier: GPL-2.0-or-later
  10
  11 import time
  12 import os
  13 import logging
  14
  15 from avocado_qemu import QemuSystemTest
  16 from avocado_qemu import wait_for_console_pattern
  17 from avocado_qemu import exec_command
  18 from avocado_qemu import BUILD_DIR
  19 from avocado.utils import process
  20 from avocado.utils.path import find_command
  21
  22 class Aarch64VirtMachine(QemuSystemTest):
  23     KERNEL_COMMON_COMMAND_LINE = 'printk.time=0 '
  24     timeout = 360
  25
  26     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
  31     # This tests the whole boot chain from EFI to Userspace
  32     # We only boot a whole OS for the current top level CPU and GIC
  33     # Other test profiles should use more minimal boots
  34     def test_alpine_virt_tcg_gic_max(self):
  35         """
  36         :avocado: tags=arch:aarch64
  37         :avocado: tags=machine:virt
  38         :avocado: tags=accel:tcg
  39         """
  40         iso_url = ('https://dl-cdn.alpinelinux.org/'
  41                    'alpine/v3.17/releases/aarch64/'
  42                    'alpine-standard-3.17.2-aarch64.iso')
  43
  44         # Alpine use sha256 so I recalculated this myself
  45         iso_sha1 = '76284fcd7b41fe899b0c2375ceb8470803eea839'
  46         iso_path = self.fetch_asset(iso_url, asset_hash=iso_sha1)
  47
  48         self.vm.set_console()
  49         kernel_command_line = (self.KERNEL_COMMON_COMMAND_LINE +
  50                                'console=ttyAMA0')
  51         self.require_accelerator("tcg")
  52
  53         self.vm.add_args("-accel", "tcg")
  54         self.vm.add_args("-cpu", "max,pauth-impdef=on")
  55         self.vm.add_args("-machine",
  56                          "virt,acpi=on,"
  57                          "virtualization=on,"
  58                          "mte=on,"
  59                          "gic-version=max,iommu=smmuv3")
  60         self.vm.add_args("-smp", "2", "-m", "1024")
  61         self.vm.add_args('-bios', os.path.join(BUILD_DIR, 'pc-bios',
  62                                                'edk2-aarch64-code.fd'))
  63         self.vm.add_args("-drive", f"file={iso_path},format=raw")
  64         self.vm.add_args('-device', 'virtio-rng-pci,rng=rng0')
  65         self.vm.add_args('-object', 'rng-random,id=rng0,filename=/dev/urandom')
  66
  67         self.vm.launch()
  68         self.wait_for_console_pattern('Welcome to Alpine Linux 3.17')
  69
  70
  71     def common_aarch64_virt(self, machine):
  72         """
  73         Common code to launch basic virt machine with kernel+initrd
  74         and a scratch disk.
  75         """
  76         logger = logging.getLogger('aarch64_virt')
  77
  78         kernel_url = ('https://fileserver.linaro.org/s/'
  79                       'z6B2ARM7DQT3HWN/download')
  80         kernel_hash = 'ed11daab50c151dde0e1e9c9cb8b2d9bd3215347'
  81         kernel_path = self.fetch_asset(kernel_url, asset_hash=kernel_hash)
  82
  83         self.vm.set_console()
  84         kernel_command_line = (self.KERNEL_COMMON_COMMAND_LINE +
  85                                'console=ttyAMA0')
  86         self.require_accelerator("tcg")
  87         self.vm.add_args('-cpu', 'max,pauth-impdef=on',
  88                          '-machine', machine,
  89                          '-accel', 'tcg',
  90                          '-kernel', kernel_path,
  91                          '-append', kernel_command_line)
  92
  93         # A RNG offers an easy way to generate a few IRQs
  94         self.vm.add_args('-device', 'virtio-rng-pci,rng=rng0')
  95         self.vm.add_args('-object',
  96                          'rng-random,id=rng0,filename=/dev/urandom')
  97
  98         # Also add a scratch block device
  99         logger.info('creating scratch qcow2 image')
 100         image_path = os.path.join(self.workdir, 'scratch.qcow2')
 101         qemu_img = os.path.join(BUILD_DIR, 'qemu-img')
 102         if not os.path.exists(qemu_img):
 103             qemu_img = find_command('qemu-img', False)
 104         if qemu_img is False:
 105             self.cancel('Could not find "qemu-img", which is required to '
 106                         'create the temporary qcow2 image')
 107         cmd = '%s create -f qcow2 %s 8M' % (qemu_img, image_path)
 108         process.run(cmd)
 109
 110         # Add the device
 111         self.vm.add_args('-blockdev',
 112                          f"driver=qcow2,file.driver=file,file.filename={image_path},node-name=scratch")
 113         self.vm.add_args('-device',
 114                          'virtio-blk-device,drive=scratch')
 115
 116         self.vm.launch()
 117         self.wait_for_console_pattern('Welcome to Buildroot')
 118         time.sleep(0.1)
 119         exec_command(self, 'root')
 120         time.sleep(0.1)
 121         exec_command(self, 'dd if=/dev/hwrng of=/dev/vda bs=512 count=4')
 122         time.sleep(0.1)
 123         exec_command(self, 'md5sum /dev/vda')
 124         time.sleep(0.1)
 125         exec_command(self, 'cat /proc/interrupts')
 126         time.sleep(0.1)
 127         exec_command(self, 'cat /proc/self/maps')
 128         time.sleep(0.1)
 129
 130     def test_aarch64_virt_gicv3(self):
 131         """
 132         :avocado: tags=arch:aarch64
 133         :avocado: tags=machine:virt
 134         :avocado: tags=accel:tcg
 135         :avocado: tags=cpu:max
 136         """
 137         self.common_aarch64_virt("virt,gic_version=3")
 138
 139     def test_aarch64_virt_gicv2(self):
 140         """
 141         :avocado: tags=arch:aarch64
 142         :avocado: tags=machine:virt
 143         :avocado: tags=accel:tcg
 144         :avocado: tags=cpu:max
 145         """
 146         self.common_aarch64_virt("virt,gic-version=2")