This is a band-aid with a TODO for cases when QEMU doesn't start due to missing VirGL. Longer term we could do with some proper feature probing. Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: Willian Rampazzo <willianr@redhat.com> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20210222101455.12640-4-alex.bennee@linaro.org>
168 lines
5.4 KiB
Python
168 lines
5.4 KiB
Python
# virtio-gpu tests
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#
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# This work is licensed under the terms of the GNU GPL, version 2 or
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# later. See the COPYING file in the top-level directory.
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from avocado_qemu import Test
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from avocado_qemu import BUILD_DIR
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from avocado_qemu import wait_for_console_pattern
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from avocado_qemu import exec_command_and_wait_for_pattern
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from avocado_qemu import is_readable_executable_file
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from qemu.accel import kvm_available
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import os
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import socket
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import subprocess
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ACCEL_NOT_AVAILABLE_FMT = "%s accelerator does not seem to be available"
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KVM_NOT_AVAILABLE = ACCEL_NOT_AVAILABLE_FMT % "KVM"
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def pick_default_vug_bin():
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relative_path = "./contrib/vhost-user-gpu/vhost-user-gpu"
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if is_readable_executable_file(relative_path):
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return relative_path
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bld_dir_path = os.path.join(BUILD_DIR, relative_path)
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if is_readable_executable_file(bld_dir_path):
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return bld_dir_path
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class VirtioGPUx86(Test):
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"""
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:avocado: tags=virtio-gpu
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"""
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KERNEL_COMMON_COMMAND_LINE = "printk.time=0 "
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KERNEL_URL = (
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"https://archives.fedoraproject.org/pub/fedora"
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"/linux/releases/33/Everything/x86_64/os/images"
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"/pxeboot/vmlinuz"
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)
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INITRD_URL = (
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"https://archives.fedoraproject.org/pub/fedora"
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"/linux/releases/33/Everything/x86_64/os/images"
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"/pxeboot/initrd.img"
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)
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def wait_for_console_pattern(self, success_message, vm=None):
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wait_for_console_pattern(
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self,
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success_message,
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failure_message="Kernel panic - not syncing",
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vm=vm,
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)
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def test_virtio_vga_virgl(self):
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"""
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:avocado: tags=arch:x86_64
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:avocado: tags=device:virtio-vga
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"""
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kernel_command_line = (
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self.KERNEL_COMMON_COMMAND_LINE + "console=ttyS0 rdinit=/bin/bash"
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)
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# FIXME: should check presence of virtio, virgl etc
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if not kvm_available(self.arch, self.qemu_bin):
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self.cancel(KVM_NOT_AVAILABLE)
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kernel_path = self.fetch_asset(self.KERNEL_URL)
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initrd_path = self.fetch_asset(self.INITRD_URL)
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self.vm.set_console()
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self.vm.add_args("-cpu", "host")
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self.vm.add_args("-m", "2G")
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self.vm.add_args("-machine", "pc,accel=kvm")
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self.vm.add_args("-device", "virtio-vga,virgl=on")
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self.vm.add_args("-display", "egl-headless")
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self.vm.add_args(
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"-kernel",
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kernel_path,
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"-initrd",
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initrd_path,
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"-append",
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kernel_command_line,
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)
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try:
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self.vm.launch()
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except:
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# TODO: probably fails because we are missing the VirGL features
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self.cancel("VirGL not enabled?")
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self.wait_for_console_pattern("as init process")
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exec_command_and_wait_for_pattern(
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self, "/usr/sbin/modprobe virtio_gpu", ""
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)
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self.wait_for_console_pattern("features: +virgl +edid")
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def test_vhost_user_vga_virgl(self):
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"""
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:avocado: tags=arch:x86_64
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:avocado: tags=device:vhost-user-vga
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"""
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kernel_command_line = (
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self.KERNEL_COMMON_COMMAND_LINE + "console=ttyS0 rdinit=/bin/bash"
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)
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# FIXME: should check presence of vhost-user-gpu, virgl, memfd etc
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if not kvm_available(self.arch, self.qemu_bin):
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self.cancel(KVM_NOT_AVAILABLE)
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vug = pick_default_vug_bin()
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if not vug:
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self.cancel("Could not find vhost-user-gpu")
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kernel_path = self.fetch_asset(self.KERNEL_URL)
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initrd_path = self.fetch_asset(self.INITRD_URL)
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# Create socketpair to connect proxy and remote processes
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qemu_sock, vug_sock = socket.socketpair(
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socket.AF_UNIX, socket.SOCK_STREAM
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)
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os.set_inheritable(qemu_sock.fileno(), True)
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os.set_inheritable(vug_sock.fileno(), True)
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self._vug_log_path = os.path.join(
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self.logdir, "vhost-user-gpu.log"
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)
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self._vug_log_file = open(self._vug_log_path, "wb")
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self.log.info('Complete vhost-user-gpu.log file can be '
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'found at %s', self._vug_log_path)
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vugp = subprocess.Popen(
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[vug, "--virgl", "--fd=%d" % vug_sock.fileno()],
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stdin=subprocess.DEVNULL,
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stdout=self._vug_log_file,
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stderr=subprocess.STDOUT,
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shell=False,
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close_fds=False,
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)
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self.vm.set_console()
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self.vm.add_args("-cpu", "host")
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self.vm.add_args("-m", "2G")
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self.vm.add_args("-object", "memory-backend-memfd,id=mem,size=2G")
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self.vm.add_args("-machine", "pc,memory-backend=mem,accel=kvm")
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self.vm.add_args("-chardev", "socket,id=vug,fd=%d" % qemu_sock.fileno())
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self.vm.add_args("-device", "vhost-user-vga,chardev=vug")
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self.vm.add_args("-display", "egl-headless")
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self.vm.add_args(
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"-kernel",
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kernel_path,
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"-initrd",
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initrd_path,
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"-append",
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kernel_command_line,
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)
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self.vm.launch()
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self.wait_for_console_pattern("as init process")
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exec_command_and_wait_for_pattern(
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self, "/usr/sbin/modprobe virtio_gpu", ""
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)
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self.wait_for_console_pattern("features: +virgl -edid")
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self.vm.shutdown()
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qemu_sock.close()
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vugp.terminate()
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vugp.wait()
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