On Thu, Nov 07, 2019 at 12:16:01PM +0800, Jason Wang wrote: > On 2019/11/6 下午10:39, Tiwei Bie wrote: > > 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 > > > Please send V6 and I will ack there. Got it, I will send it soon. Thanks! Tiwei
