[Qemu-devel] Re: [RFC] QMP: Introduce query-netdevices documentation

[Anthony Liguori <anthony@codemonkey.ws>]

On 06/07/2010 09:41 AM, Miguel Di Ciurcio Filho wrote:
> On Mon, Jun 7, 2010 at 10:48 AM, Anthony Liguori<anthony@codemonkey.ws>  wrote:
>    
>>>> $ qemu -netdev tap,id=tap0 -device e1000,netdev=tap0
>>>>
>>>> This makes a 1:1 relation. So clearly tap0 is a host device, e1000.0
>>>> will be a guest device, and they are connected.
>>>>          
>>> Yes.  I'd want separate queries for each, or perhaps a single query that
>>> returns
>>>
>>> { 'hostdev': some-object-with-host-device-properties-only, 'nic':
>>> some-object-that-describes-the-guest-nic }
>>>        
>> We need a query-netdev and then info qdm already provides the guest nic
>> properties.  Just filter out devices that have a netdev property.
>>
>>      
> How about this small draft:
>
> Possible values for "type": tap, user, vde and socket. The 'info'
> object contains all the parameters available via -netdev type,args.
>
> Notice: vlan is still there, unless the support for it is removed, IMHO.
>    

'id' is missing.  Really, s/device/id/ is probably the right thing to do.

vlan's are a totally separate concept.  info netdev shouldn't return 
vlan devices IMHO.  We should have a separate info vlan command that 
shows the vlan topology.

Regards,

Anthony Liguori

> ->  { "execute": "query-netdev" }
> <- {
>        "return": [
>           {
>              "device": "tap.0",
>              "vlan": 0,
>              "type": "tap",
>              "info": {
>                 "script": "/etc/qemu-ifup",
>                 "downscript": "/etc/qemu-ifdown",
>                 "ifname": "tap0",
>              },
>           {
>              "device": "user.0",
>              "type": "user",
>              "info": {
>                 "net": "10.0.2.0",
>                 "netmask": "255.255.255.0"
>              },
>           },
>