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Date: Thu, 7 Nov 2019 18:16:46 +0800 From: Jason Wang <jasowang@...hat.com> To: Tiwei Bie <tiwei.bie@...el.com>, mst@...hat.com, alex.williamson@...hat.com, maxime.coquelin@...hat.com Cc: linux-kernel@...r.kernel.org, kvm@...r.kernel.org, virtualization@...ts.linux-foundation.org, netdev@...r.kernel.org, dan.daly@...el.com, cunming.liang@...el.com, zhihong.wang@...el.com, lingshan.zhu@...el.com Subject: Re: [PATCH v6] vhost: introduce mdev based hardware backend On 2019/11/7 下午3:35, 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@...el.com> > --- > This patch depends on below series: > https://lkml.org/lkml/2019/11/6/538 Acked-by: Jason Wang <jasowang@...hat.com> Thanks!
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