tests/avocado/virtio-gpu.py

   1 # virtio-gpu tests
   2 #
   3 # This work is licensed under the terms of the GNU GPL, version 2 or
   4 # later.  See the COPYING file in the top-level directory.
   5
   6
   7 from avocado_qemu import BUILD_DIR
   8 from avocado_qemu import QemuSystemTest
   9 from avocado_qemu import wait_for_console_pattern
  10 from avocado_qemu import exec_command_and_wait_for_pattern
  11 from avocado_qemu import is_readable_executable_file
  12
  13 from qemu.utils import kvm_available
  14
  15 import os
  16 import socket
  17 import subprocess
  18
  19
  20 def pick_default_vug_bin():
  21     relative_path = "./contrib/vhost-user-gpu/vhost-user-gpu"
  22     if is_readable_executable_file(relative_path):
  23         return relative_path
  24
  25     bld_dir_path = os.path.join(BUILD_DIR, relative_path)
  26     if is_readable_executable_file(bld_dir_path):
  27         return bld_dir_path
  28
  29
  30 class VirtioGPUx86(QemuSystemTest):
  31     """
  32     :avocado: tags=virtio-gpu
  33     :avocado: tags=arch:x86_64
  34     :avocado: tags=cpu:host
  35     """
  36
  37     KERNEL_COMMAND_LINE = "printk.time=0 console=ttyS0 rdinit=/bin/bash"
  38     KERNEL_URL = (
  39         "https://archives.fedoraproject.org/pub/fedora"
  40         "/linux/releases/33/Everything/x86_64/os/images"
  41         "/pxeboot/vmlinuz"
  42     )
  43     KERNEL_HASH = '1433cfe3f2ffaa44de4ecfb57ec25dc2399cdecf'
  44     INITRD_URL = (
  45         "https://archives.fedoraproject.org/pub/fedora"
  46         "/linux/releases/33/Everything/x86_64/os/images"
  47         "/pxeboot/initrd.img"
  48     )
  49     INITRD_HASH = 'c828d68a027b53e5220536585efe03412332c2d9'
  50
  51     def wait_for_console_pattern(self, success_message, vm=None):
  52         wait_for_console_pattern(
  53             self,
  54             success_message,
  55             failure_message="Kernel panic - not syncing",
  56             vm=vm,
  57         )
  58
  59     def test_virtio_vga_virgl(self):
  60         """
  61         :avocado: tags=device:virtio-vga-gl
  62         """
  63         # FIXME: should check presence of virtio, virgl etc
  64         self.require_accelerator('kvm')
  65
  66         kernel_path = self.fetch_asset(self.KERNEL_URL, self.KERNEL_HASH)
  67         initrd_path = self.fetch_asset(self.INITRD_URL, self.INITRD_HASH)
  68
  69         self.vm.set_console()
  70         self.vm.add_args("-m", "2G")
  71         self.vm.add_args("-machine", "pc,accel=kvm")
  72         self.vm.add_args("-device", "virtio-vga-gl")
  73         self.vm.add_args("-display", "egl-headless")
  74         self.vm.add_args(
  75             "-kernel",
  76             kernel_path,
  77             "-initrd",
  78             initrd_path,
  79             "-append",
  80             self.KERNEL_COMMAND_LINE,
  81         )
  82         try:
  83             self.vm.launch()
  84         except:
  85             # TODO: probably fails because we are missing the VirGL features
  86             self.cancel("VirGL not enabled?")
  87
  88         self.wait_for_console_pattern("as init process")
  89         exec_command_and_wait_for_pattern(
  90             self, "/usr/sbin/modprobe virtio_gpu", ""
  91         )
  92         self.wait_for_console_pattern("features: +virgl +edid")
  93
  94     def test_vhost_user_vga_virgl(self):
  95         """
  96         :avocado: tags=device:vhost-user-vga
  97         """
  98         # FIXME: should check presence of vhost-user-gpu, virgl, memfd etc
  99         self.require_accelerator('kvm')
 100
 101         vug = pick_default_vug_bin()
 102         if not vug:
 103             self.cancel("Could not find vhost-user-gpu")
 104
 105         kernel_path = self.fetch_asset(self.KERNEL_URL, self.KERNEL_HASH)
 106         initrd_path = self.fetch_asset(self.INITRD_URL, self.INITRD_HASH)
 107
 108         # Create socketpair to connect proxy and remote processes
 109         qemu_sock, vug_sock = socket.socketpair(
 110             socket.AF_UNIX, socket.SOCK_STREAM
 111         )
 112         os.set_inheritable(qemu_sock.fileno(), True)
 113         os.set_inheritable(vug_sock.fileno(), True)
 114
 115         self._vug_log_path = os.path.join(
 116             self.logdir, "vhost-user-gpu.log"
 117         )
 118         self._vug_log_file = open(self._vug_log_path, "wb")
 119         self.log.info('Complete vhost-user-gpu.log file can be '
 120                       'found at %s', self._vug_log_path)
 121
 122         vugp = subprocess.Popen(
 123             [vug, "--virgl", "--fd=%d" % vug_sock.fileno()],
 124             stdin=subprocess.DEVNULL,
 125             stdout=self._vug_log_file,
 126             stderr=subprocess.STDOUT,
 127             shell=False,
 128             close_fds=False,
 129         )
 130
 131         self.vm.set_console()
 132         self.vm.add_args("-m", "2G")
 133         self.vm.add_args("-object", "memory-backend-memfd,id=mem,size=2G")
 134         self.vm.add_args("-machine", "pc,memory-backend=mem,accel=kvm")
 135         self.vm.add_args("-chardev", "socket,id=vug,fd=%d" % qemu_sock.fileno())
 136         self.vm.add_args("-device", "vhost-user-vga,chardev=vug")
 137         self.vm.add_args("-display", "egl-headless")
 138         self.vm.add_args(
 139             "-kernel",
 140             kernel_path,
 141             "-initrd",
 142             initrd_path,
 143             "-append",
 144             self.KERNEL_COMMAND_LINE,
 145         )
 146         self.vm.launch()
 147         self.wait_for_console_pattern("as init process")
 148         exec_command_and_wait_for_pattern(
 149             self, "/usr/sbin/modprobe virtio_gpu", ""
 150         )
 151         self.wait_for_console_pattern("features: +virgl -edid")
 152         self.vm.shutdown()
 153         qemu_sock.close()
 154         vugp.terminate()
 155         vugp.wait()