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From: Markus Armbruster <armbru@redhat.com>
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Date: Fri, 10 Jan 2014 12:54:23 +0100
In-Reply-To: <52CFC079.9010806@suse.de> ("Andreas =?utf-8?Q?F=C3=A4rber=22?=
	=?utf-8?Q?'s?= message of "Fri, 10 Jan 2014 10:42:17 +0100")
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Subject: Re: [Qemu-devel] [PATCH] qdev: Assign a default device ID when none
	is provided.
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To: Andreas =?utf-8?Q?F=C3=A4rber?= <afaerber@suse.de>
Cc: stefanha@redhat.com, qemu-devel@nongnu.org, Hani Benhabiles <kroosec@gmail.com>, Paolo Bonzini <pbonzini@redhat.com>, imammedo@redhat.com, aliguori@amazon.com

Andreas F=C3=A4rber <afaerber@suse.de> writes:

> Am 10.01.2014 10:09, schrieb Markus Armbruster:
>> Commands taking a device ID could be extended to take a path in the QOM
>> graph instead of an ID.
>>=20
>> In the human monitor, it could perhaps work like this:
>>=20
>>     IDs consist of letters, digits, '-', '.', '_', starting with a
>>     letter (see id_wellformed())
>>=20=20=20=20=20
>>     If the argument doesn't contain '/', interpret it as ID.
>>     Else, if it starts with '/', interpret it as QOM path anchored at
>>     "the root" (which needs to be defined).
>>     Else, split it at the first '/', and interpret the prefix as ID, and
>>     the suffix as as QOM path anchored at whatever has that ID.
>>=20
>> Requires means to inspect the QOM graph to be usable.
>
> qom-list is available for that purpose today.

We'd need something in the human monitor, too.