Re: [PATCH V8 6/6] docs: sample driver to demonstrate how to implement virtio-mdev framework

Cornelia Huck
2019-11-05T18:35:50Z

On Tue, 5 Nov 2019 17:32:40 +0800
Jason Wang <jasowang@redhat.com> wrote:

> This sample driver creates mdev device that simulate virtio net device
> over virtio mdev transport. The device is implemented through vringh
> and workqueue. A device specific dma ops is to make sure HVA is used
> directly as the IOVA. This should be sufficient for kernel virtio
> driver to work.
>
> Only 'virtio' type is supported right now. I plan to add 'vhost' type
> on top which requires some virtual IOMMU implemented in this sample
> driver.
>
> Signed-off-by: Jason Wang <jasowang@redhat.com>
> ---
> MAINTAINERS | 1 +
> samples/Kconfig | 7 +
> samples/vfio-mdev/Makefile | 1 +
> samples/vfio-mdev/mvnet.c | 685 +++++++++++++++++++++++++++++++++++++
> 4 files changed, 694 insertions(+)
> create mode 100644 samples/vfio-mdev/mvnet.c

Have not really reviewed this, but looks sane at a glance.

Acked-by: Cornelia Huck <cohuck@redhat.com>