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Re: [Xen-devel] [PATCH 11/13] libxl: set nic type to VIF by default



Roger Pau Monne writes ("Re: [Xen-devel] [PATCH 11/13] libxl: set nic type to 
VIF by default"):
> If this is right, I have to change my hotplug patches, but this will be 
> a mess, because I have no way to tell if a domain is PV or HVM when 
> plugging in the devices, so if VIF is passed for both PV or PV+TAP I 
> will have no way of knowing that.

Hmmm.

> Should we create three different nic types? VIF (PV), IOEMU (TAP), 
> HYBRID (PV+TAP)?

I think this might be better.  Or alternatively, always provide PV,
and have a flag which says `do provide ioemu'.

I think it's very confusing if setting the `type' to `ioemu' rather
than `pv' means `do provide pv but provide ioemu as well'.

Another way of looking at it is: if we wanted to provide some other
interfaces (besides Xen PV and emulated PCI) in the future, would it
be an alternative to PV or to PCI or something additional ?

Ian.

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