Philippe Mathieu-Daudé <phi...@redhat.com> writes:

> Introduce the 'query-accels' QMP command which returns a list
> of built-in accelerator names.
>
> - Accelerator is a QAPI enum of all existing accelerators,
>
> - AcceleratorInfo is a QAPI structure providing accelerator
>   specific information. Currently the common structure base
>   provides the name of the accelerator, while the specific
>   part is empty, but each accelerator can expand it.
>
> - 'query-accels' QMP command returns a list of @AcceleratorInfo
>
> For example on a KVM-only build we get:
>
>     { "execute": "query-accels" }
>     {
>         "return": [
>             {
>                 "name": "qtest"
>             },
>             {
>                 "name": "kvm"
>             }
>         ]
>     }
>
> Reviewed-by: Eric Blake <ebl...@redhat.com>
> Reviewed-by: Alex Bennée <alex.ben...@linaro.org>
> Tested-by: Alex Bennée <alex.ben...@linaro.org>
> Signed-off-by: Philippe Mathieu-Daudé <phi...@redhat.com>
> ---
> v8:
> - Include code snippet from Markus adding to machine-target.json
>   to be able to use enum values or union branches conditional.
> - Use accel_find() on enum to be sure the accelerator is enabled
>   at runtime (chat with jsnow / eblake).

Hmm something broke because now I get:

 /usr/lib/x86_64-linux-gnu/libpixman-1.so -lgthread-2.0 -lglib-2.0 -lstdc++ 
-Wl,--end-group
/usr/bin/ld: libqemu-aarch64_be-linux-user.fa.p/accel_accel-qmp.c.o: in 
function `qmp_query_accels':
/home/alex/lsrc/qemu.git/builds/arm.all/../../accel/accel-qmp.c:15: undefined 
reference to `Accelerator_lookup'
collect2: error: ld returned 1 exit status
[1327/1413] Linking target qemu-io

-- 
Alex Bennée

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