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# virtio-gpu tests
#
# 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 BUILD_DIR
from avocado_qemu import wait_for_console_pattern
from avocado_qemu import exec_command_and_wait_for_pattern
from avocado_qemu import is_readable_executable_file
from qemu.accel import kvm_available
import os
import socket
import subprocess
ACCEL_NOT_AVAILABLE_FMT = "%s accelerator does not seem to be available"
KVM_NOT_AVAILABLE = ACCEL_NOT_AVAILABLE_FMT % "KVM"
def pick_default_vug_bin():
relative_path = "./contrib/vhost-user-gpu/vhost-user-gpu"
if is_readable_executable_file(relative_path):
return relative_path
bld_dir_path = os.path.join(BUILD_DIR, relative_path)
if is_readable_executable_file(bld_dir_path):
return bld_dir_path
class VirtioGPUx86(Test):
"""
:avocado: tags=virtio-gpu
"""
KERNEL_COMMON_COMMAND_LINE = "printk.time=0 "
KERNEL_URL = (
"https://archives.fedoraproject.org/pub/fedora"
"/linux/releases/33/Everything/x86_64/os/images"
"/pxeboot/vmlinuz"
)
INITRD_URL = (
"https://archives.fedoraproject.org/pub/fedora"
"/linux/releases/33/Everything/x86_64/os/images"
"/pxeboot/initrd.img"
)
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,
)
def test_virtio_vga_virgl(self):
"""
:avocado: tags=arch:x86_64
:avocado: tags=device:virtio-vga
"""
kernel_command_line = (
self.KERNEL_COMMON_COMMAND_LINE + "console=ttyS0 rdinit=/bin/bash"
)
# FIXME: should check presence of virtio, virgl etc
if not kvm_available(self.arch, self.qemu_bin):
self.cancel(KVM_NOT_AVAILABLE)
kernel_path = self.fetch_asset(self.KERNEL_URL)
initrd_path = self.fetch_asset(self.INITRD_URL)
self.vm.set_console()
self.vm.add_args("-cpu", "host")
self.vm.add_args("-m", "2G")
self.vm.add_args("-machine", "pc,accel=kvm")
self.vm.add_args("-device", "virtio-vga,virgl=on")
self.vm.add_args("-display", "egl-headless")
self.vm.add_args(
"-kernel",
kernel_path,
"-initrd",
initrd_path,
"-append",
kernel_command_line,
)
try:
self.vm.launch()
except:
# TODO: probably fails because we are missing the VirGL features
self.cancel("VirGL not enabled?")
self.wait_for_console_pattern("as init process")
exec_command_and_wait_for_pattern(
self, "/usr/sbin/modprobe virtio_gpu", ""
)
self.wait_for_console_pattern("features: +virgl +edid")
def test_vhost_user_vga_virgl(self):
"""
:avocado: tags=arch:x86_64
:avocado: tags=device:vhost-user-vga
"""
kernel_command_line = (
self.KERNEL_COMMON_COMMAND_LINE + "console=ttyS0 rdinit=/bin/bash"
)
# FIXME: should check presence of vhost-user-gpu, virgl, memfd etc
if not kvm_available(self.arch, self.qemu_bin):
self.cancel(KVM_NOT_AVAILABLE)
vug = pick_default_vug_bin()
if not vug:
self.cancel("Could not find vhost-user-gpu")
kernel_path = self.fetch_asset(self.KERNEL_URL)
initrd_path = self.fetch_asset(self.INITRD_URL)
# Create socketpair to connect proxy and remote processes
qemu_sock, vug_sock = socket.socketpair(
socket.AF_UNIX, socket.SOCK_STREAM
)
os.set_inheritable(qemu_sock.fileno(), True)
os.set_inheritable(vug_sock.fileno(), True)
self._vug_log_path = os.path.join(
self.logdir, "vhost-user-gpu.log"
)
self._vug_log_file = open(self._vug_log_path, "wb")
self.log.info('Complete vhost-user-gpu.log file can be '
'found at %s', self._vug_log_path)
vugp = subprocess.Popen(
[vug, "--virgl", "--fd=%d" % vug_sock.fileno()],
stdin=subprocess.DEVNULL,
stdout=self._vug_log_file,
stderr=subprocess.STDOUT,
shell=False,
close_fds=False,
)
self.vm.set_console()
self.vm.add_args("-cpu", "host")
self.vm.add_args("-m", "2G")
self.vm.add_args("-object", "memory-backend-memfd,id=mem,size=2G")
self.vm.add_args("-machine", "pc,memory-backend=mem,accel=kvm")
self.vm.add_args("-chardev", "socket,id=vug,fd=%d" % qemu_sock.fileno())
self.vm.add_args("-device", "vhost-user-vga,chardev=vug")
self.vm.add_args("-display", "egl-headless")
self.vm.add_args(
"-kernel",
kernel_path,
"-initrd",
initrd_path,
"-append",
kernel_command_line,
)
self.vm.launch()
self.wait_for_console_pattern("as init process")
exec_command_and_wait_for_pattern(
self, "/usr/sbin/modprobe virtio_gpu", ""
)
self.wait_for_console_pattern("features: +virgl -edid")
self.vm.shutdown()
qemu_sock.close()
vugp.terminate()
vugp.wait()
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