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Date: Mon, 24 Feb 2014 14:44:09 +0100
From: Paolo Bonzini <pbonzini@redhat.com>
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Subject: Re: [Qemu-devel] [PATCH] Add a command to QMP to list the supported
 devices
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To: =?ISO-8859-1?Q?Andreas_F=E4rber?= <afaerber@suse.de>
Cc: Or Goshen <oberonc@gmail.com>, qemu-devel@nongnu.org, Or Goshen <or@heartbeat.com>, Luiz Capitulino <lcapitulino@redhat.com>

Il 24/02/2014 14:40, Andreas F=E4rber ha scritto:
> Am 24.02.2014 10:31, schrieb Paolo Bonzini:
>> Il 24/02/2014 10:23, Or Goshen ha scritto:
>>> From: Or Goshen <or@heartbeat.com>
>>>
>>> Was done on behalf of Intel Corp.
>>
>> Hi Or,
>>
>> you can use qom-list-types for this purpose.
>
> That can return a list of types, but there is no way to access the
> DeviceClass-specific bus, alias, desc values, is there?

The bus value can be retrieved indirectly from the class hierarchy.=20
Aliases are deprecated.

Desc could be moved to the object class and added to qom-list-types.

> It sounds to me as if they are trying to recreate the -device ? output
> in machine-readable form.

Indeed.  The question is why they need "-device ?".  If it is just for=20
"is the device supported" (as was the case for libvirt before it started=20
using qom-list-types), then a new command is unnecessary.

Paolo