[Qemu-devel] Re: [PATCH RFC] virtio: add features qdev property

[Michael S. Tsirkin]

On Mon, Dec 14, 2009 at 10:41:26AM +0100, Gerd Hoffmann wrote:
> On 12/13/09 21:43, Michael S. Tsirkin wrote:
>> Add features property to virtio. This makes it
>> possible to e.g. define machine without indirect
>> buffer support, which is required for 0.10
>> compatibility. or without hardware checksum
>> support, which is required for 0.11 compatibility.
>
> I'd suggest to add flags for the individual features to the drivers  
> which actually use it instead, so you'll have
>
>   -device virtio-net-pci,hw-checksum=0
>
> and
>
>   -device virtio-blk-pci,indirect-buffers=0
>
> cheers,
>   Gerd

Hmm. I hoped to avoid it, there are lots of features so it's a lot of
work and in practice, this will most likely be set by machine
description ...

-- 
MST