On Wed, Nov 06, 2019 at 07:59:02AM -0500, Michael S. Tsirkin wrote: > On Tue, Nov 05, 2019 at 07:53:32PM +0800, Tiwei Bie wrote: > > This patch introduces a mdev based hardware vhost backend. > > This backend is built on top of the same abstraction used > > in virtio-mdev and provides a generic vhost interface for > > userspace to accelerate the virtio devices in guest. > > > > This backend is implemented as a mdev device driver on top > > of the same mdev device ops used in virtio-mdev but using > > a different mdev class id, and it will register the device > > as a VFIO device for userspace to use. Userspace can setup > > the IOMMU with the existing VFIO container/group APIs and > > then get the device fd with the device name. After getting > > the device fd, userspace can use vhost ioctls on top of it > > to setup the backend. > > > > Signed-off-by: Tiwei Bie <tiwei.bie@xxxxxxxxx> > > So at this point, looks like the only thing missing is IFC, and then all > these patches can go in. > But as IFC is still being worked on anyway, it makes sense to > address the minor comments manwhile so we don't need > patches on top. > Right? Yeah, of course. Thanks, Tiwei