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

Zhu, Lingshan lingshan.zhu at intel.com
Thu Oct 31 07:57:38 UTC 2019

On 10/31/2019 5:23 AM, Christoph Hellwig wrote:
> 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.

Hello Christoph,

I am working on a real hardware driver for it, it's called IFC, I have 
posted RFC V1 and will post RFC V2 soon.

Zhu Lingshan

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