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

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Message-ID: <20191107163448.4d20b75b.cohuck@redhat.com>
Date:   Thu, 7 Nov 2019 16:34:48 +0100
From:   Cornelia Huck <cohuck@...hat.com>
To:     Jason Wang <jasowang@...hat.com>
Cc:     kvm@...r.kernel.org, linux-s390@...r.kernel.org,
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Subject: Re: [PATCH V11 6/6] docs: sample driver to demonstrate how to
 implement virtio-mdev framework

On Thu,  7 Nov 2019 23:11:09 +0800
Jason Wang <jasowang@...hat.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@...hat.com>
> ---
>  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@...hat.com>