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Re: [Qemu-devel] Re: [PATCH] qdev: Reject duplicate and anti-social devi
From: |
Luiz Capitulino |
Subject: |
Re: [Qemu-devel] Re: [PATCH] qdev: Reject duplicate and anti-social device IDs |
Date: |
Tue, 1 Jun 2010 11:49:20 -0300 |
On Tue, 01 Jun 2010 16:44:24 +0200
Markus Armbruster <address@hidden> wrote:
> Luiz Capitulino <address@hidden> writes:
>
> > On Mon, 31 May 2010 16:13:12 +0200
> > Markus Armbruster <address@hidden> wrote:
> >
> >> We need Device IDs to be unique and not contain '/' so device tree
> >> nodes can always be unambigously referenced by tree path.
> >>
> >> We already have some protection against duplicate IDs, but it got
> >> holes:
> >>
> >> * We don't assign IDs to default devices.
> >>
> >> * -device and device_add use the ID of a qemu_device_opts. Which
> >> rejects duplicate IDs.
> >>
> >> * pci_add nic -net use either the ID or option "name" of
> >> qemu_net_opts. And there's our hole. Reproducible with "-net user
> >> -net nic,id=foo -device lsi,id=foo".
> >
> > Two bugs that might not be related to this thread:
> >
> > * "id" member is not mandatory for the device_add command:
> >
> > { "execute": "device_add", "arguments": { "driver": "e1000" } }
> > {"return": {}}
>
> Works as designed.
What about netdev_add?
{ "execute": "netdev_add", "arguments": { "type": "user" } }
{"error": {"class": "MissingParameter", "desc": "Parameter 'id' is missing",
"data": {"name": "id"}}}