Re: [PATCH V6 6/6] docs: sample driver to demonstrate how to implement virtio-mdev framework

Christoph Hellwig
2019-10-30T21:23:12Z

On Wed, Oct 30, 2019 at 02:44:44PM +0800, Jason Wang 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.

Can we please submit a real driver for it? A more or less useless
sample driver doesn't really qualify for our normal kernel requirements
that infrastructure should have a real user.