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

[Anthony Liguori]

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


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