On 3/2/21 6:55 PM, Daniel P. Berrangé wrote:
> 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 in turn
> makes Audiodev introspectable via 'query-qmp-schema'.
> 
> Signed-off-by: Daniel P. Berrangé <berra...@redhat.com>
> ---
>  audio/audio.c   | 19 +++++++++++++++++++
>  qapi/audio.json | 13 +++++++++++++
>  2 files changed, 32 insertions(+)

> +
> +##
> +# @query-audiodevs:
> +#
> +# Returns information about audiodev configuration
> +#
> +# Returns: array of @Audiodev
> +#
> +# Since: 6.0
> +#
> +##
> +{ 'command': 'query-audiodevs',
> +  'returns': ['Audiodev'] }
> 

Can we use 'query-audiodev-backends' similarly to
'query-chardev-backends'?


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