VIRTIO_F_IOMMU_PLATFORM

Will Deacon
Mon, 10 Oct 2016 16:59:03 -0000

On Fri, Oct 07, 2016 at 07:24:34AM +0300, Michael S. Tsirkin
wrote:
> On Tue, Sep 27, 2016 at 09:57:14AM +0100, Will Deacon wrote:
> > Hi Michael,
> >
> > In commit 1a937693993f ("virtio: new feature to detect IOMMU
device quirk"),
> > you added a new feature bit (VIRTIO_F_IOMMU_PLATFORM) to describe
whether
> > or not a given virtio device requires physical address or bus
addresses.
> >
> > Is there a plan to get this incorporated into the virtio spec [1]? At
the
> > moment, I can't see a working draft that includes the new bit.
Having it
> > in the spec would help convince implementors that it's not just a
Linux
> > thing.
> >
> > Thanks,
> >
> > Will
> >
> > [1]
http://docs.oasis-open.org/virtio/virtio/v1.0/cs04/virtio-v1.0-cs04.html
>
> Absolutely. Want to contribute a patch?

I could have a look. Is there a git repo for the sources to the working
draft?

Will