Re: [PATCH V11 6/6] docs: sample driver to demonstrate how to implement virtio-mdev framework

From: Cornelia Huck
Date: Thu Nov 07 2019 - 10:35:14 EST


On Thu, 7 Nov 2019 23:11:09 +0800
Jason Wang <jasowang@xxxxxxxxxx> 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@xxxxxxxxxx>
> ---
> MAINTAINERS | 1 +
> samples/Kconfig | 10 +
> samples/vfio-mdev/Makefile | 1 +
> samples/vfio-mdev/mvnet_loopback.c | 687 +++++++++++++++++++++++++++++
> 4 files changed, 699 insertions(+)
> create mode 100644 samples/vfio-mdev/mvnet_loopback.c

Acked-by: Cornelia Huck <cohuck@xxxxxxxxxx>