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

Cornelia Huck
Tue, 05 Nov 2019 18:33:36 -0000

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