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crosvm/seccomp/aarch64/cras_snd_device.policy

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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
Set rtprio in virtio-snd (cras backend) worker to 10 (following other cros audio client) BUG=b:199796992 TEST=Examine output of `ps -AT -eo rtprio,command` when the device is running Change-Id: I1293c693e1bd699788d87d5bc085fd4fd281fff1 Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/crosvm/+/3159894 Tested-by: kokoro <noreply+kokoro@google.com> Reviewed-by: Chih-Yang Hsia <paulhsia@chromium.org> Commit-Queue: Woody Chow <woodychow@google.com>
2021-09-15 07:26:41 +00:00
prlimit64: 1
setrlimit: 1
sched_setscheduler: 1
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