Re: [kvm-devel] [PATCH 3/3] virtio PCI device

[Anthony L. <ali...@us...>]

Avi Kivity wrote:
> Anthony Liguori wrote:
>   
>> This is a PCI device that implements a transport for virtio.  It allows virtio
>> devices to be used by QEMU based VMMs like KVM or Xen.
>>
>>   
>>     
>
> Didn't see support for dma.

Not sure what you're expecting there.  Using dma_ops in virtio_ring?

>  I think that with Amit's pvdma patches you
> can support dma-capable devices as well without too much fuss.
>   

What is the use case you're thinking of?  A semi-paravirt driver that 
does dma directly to a device?

Regards,

Anthony Liguori