crosvm/seccomp/aarch64/cras_snd_device.policy

# Copyright 2021 The Chromium OS Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.

@include /usr/share/policy/crosvm/common_device.policy

openat: return ENOENT
socket: arg0 == AF_UNIX
socketpair: arg0 == AF_UNIX
prctl: arg0 == PR_SET_NAME
connect: 1
Add virtio-snd device with CRAS backend Enable with `--cras-snd`. Verified: Basic playback and capture Missing features: * Getting chmap/jack/stream info from CRAS. They are hardcoded for now. * Jack connect/disconnect notifications from CRAS * Reporting latency bytes to the driver. It is currently hardcoded to 0. BUG=b:179757101 TEST=`aplay` and `arecord` inside a debian img with a 5.10 kernel built with virtio snd support. Launched with crosvm on rammus/kukui/hatch Change-Id: I240000a92418b75b3eb8dcd241ff320214b68739 Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/crosvm/+/2777991 Tested-by: kokoro <noreply+kokoro@google.com> Commit-Queue: Woody Chow <woodychow@google.com> Reviewed-by: Chih-Yang Hsia <paulhsia@chromium.org> 2021-03-22 08:49:57 +00:00			`# Copyright 2021 The Chromium OS Authors. All rights reserved.`
			`# Use of this source code is governed by a BSD-style license that can be`
			`# found in the LICENSE file.`

			`@include /usr/share/policy/crosvm/common_device.policy`

			`openat: return ENOENT`
			`socket: arg0 == AF_UNIX`
			`socketpair: arg0 == AF_UNIX`
			`prctl: arg0 == PR_SET_NAME`
			`connect: 1`