linux-kernel - Re: [PATCH V10 6/6] docs: sample driver to demonstrate how to implement virtio-mdev framework

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Message-ID: <bd2f7796-8d88-0eb3-b55b-3ec062b186b7@redhat.com>
Date:   Thu, 7 Nov 2019 18:18:45 +0800
From:   Jason Wang <jasowang@...hat.com>
To:     "Michael S. Tsirkin" <mst@...hat.com>
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Subject: Re: [PATCH V10 6/6] docs: sample driver to demonstrate how to
 implement virtio-mdev framework


On 2019/11/7 下午5:08, Michael S. Tsirkin wrote:
> On Wed, Nov 06, 2019 at 09:35:31PM +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.
>>
>> Acked-by: Cornelia Huck<cohuck@...hat.com>
>> Signed-off-by: Jason Wang<jasowang@...hat.com>
> I'd prefer it that we call this something else, e.g.
> mvnet-loopback. Just so people don't expect a fully
> functional device somehow. Can be renamed when applying?


Actually, I plan to extend it as another standard network interface for 
kernel. It could be either a standalone pseudo device or a stack device. 
Does this sounds good to you?

Thanks


>
>