From 637d18090ed2fc8d5edea0c0c584291cb792a086 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Daniel=20P=2E=20Berrang=C3=A9?= Date: Mon, 23 Jan 2023 09:39:56 +0100 Subject: qapi, audio: add query-audiodev command MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Way back in QEMU 4.0, the -audiodev command line option was introduced for configuring audio backends. This CLI option does not use QemuOpts so it is not visible for introspection in 'query-command-line-options', instead using the QAPI Audiodev type. Unfortunately there is also no QMP command that uses the Audiodev type, so it is not introspectable with 'query-qmp-schema' either. This introduces a 'query-audiodev' command that simply reflects back the list of configured -audiodev command line options. This alone is maybe not very useful by itself, but it makes Audiodev introspectable via 'query-qmp-schema', so that libvirt (and other upper layer tools) can discover the available audiodevs. Signed-off-by: Daniel P. Berrangé [thuth: Update for upcoming QEMU v8.0, and use QAPI_LIST_PREPEND] Message-Id: <20230123083957.20349-2-thuth@redhat.com> Signed-off-by: Thomas Huth --- audio/audio.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) (limited to 'audio') diff --git a/audio/audio.c b/audio/audio.c index d849a94..6f270c0 100644 --- a/audio/audio.c +++ b/audio/audio.c @@ -28,8 +28,10 @@ #include "monitor/monitor.h" #include "qemu/timer.h" #include "qapi/error.h" +#include "qapi/clone-visitor.h" #include "qapi/qobject-input-visitor.h" #include "qapi/qapi-visit-audio.h" +#include "qapi/qapi-commands-audio.h" #include "qemu/cutils.h" #include "qemu/module.h" #include "qemu/help_option.h" @@ -2311,3 +2313,13 @@ size_t audio_rate_get_bytes(RateCtl *rate, struct audio_pcm_info *info, return bytes; } + +AudiodevList *qmp_query_audiodevs(Error **errp) +{ + AudiodevList *ret = NULL; + AudiodevListEntry *e; + QSIMPLEQ_FOREACH(e, &audiodevs, next) { + QAPI_LIST_PREPEND(ret, QAPI_CLONE(Audiodev, e->dev)); + } + return ret; +} -- cgit v1.1