Re: [PATCH V8 5/6] virtio: introduce a mdev based transport

Cornelia Huck
2019-11-05T18:34:08Z

On Tue, 5 Nov 2019 17:32:39 +0800
Jason Wang <jasowang@redhat.com> wrote:

> This patch introduces a new mdev transport for virtio. This is used to
> use kernel virtio driver to drive the mediated device that is capable
> of populating virtqueue directly.
>
> A new virtio-mdev driver will be registered to the mdev bus, when a
> new virtio-mdev device is probed, it will register the device with
> mdev based config ops. This means it is a software transport between
> mdev driver and mdev device. The transport was implemented through
> device specific ops which is a part of mdev_parent_ops now.
>
> Signed-off-by: Jason Wang <jasowang@redhat.com>
> ---
> drivers/virtio/Kconfig | 7 +
> drivers/virtio/Makefile | 1 +
> drivers/virtio/virtio_mdev.c | 407 +++++++++++++++++++++++++++++++++++
> 3 files changed, 415 insertions(+)
> create mode 100644 drivers/virtio/virtio_mdev.c

Reviewed-by: Cornelia Huck <cohuck@redhat.com>