Re: [PATCH 0/2] s390x: ccw: A simple test device for virtio CCW

[Christian Borntraeger]

On 27.08.21 12:50, Pierre Morel wrote:
> Hello All,
>
>
> This series presents a VIRTIO test device which receives data on its
> input channel and sends back a simple checksum for the data it received
> on its output channel.
>   
> The goal is to allow a simple VIRTIO device driver to check the VIRTIO
> initialization and various data transfer.
>
> For this I introduced a new device ID for the device and having no
> Linux driver but a kvm-unit-test driver, I have the following
> questions:

I think we should reserve an ID in the official virtio spec then for such a 
device?
Maybe also add mst for such things.
 

> Is there another way to advertise new VIRTIO IDs but Linux?
> If this QEMU test meet interest, should I write a Linux test program?
>
> Regards,
> Pierre
>
>
> Pierre Morel (2):
>    virtio: Linux: Update of virtio_ids
>    s390x: ccw: A simple test device for virtio CCW
>
>   hw/s390x/meson.build                        |   1 +
>   hw/s390x/virtio-ccw-pong.c                  |  66 ++++++++
>   hw/s390x/virtio-ccw.h                       |  13 ++
>   hw/virtio/Kconfig                           |   5 +
>   hw/virtio/meson.build                       |   1 +
>   hw/virtio/virtio-pong.c                     | 161 ++++++++++++++++++++
>   include/hw/virtio/virtio-pong.h             |  34 +++++
>   include/standard-headers/linux/virtio_ids.h |   1 +
>   8 files changed, 282 insertions(+)
>   create mode 100644 hw/s390x/virtio-ccw-pong.c
>   create mode 100644 hw/virtio/virtio-pong.c
>   create mode 100644 include/hw/virtio/virtio-pong.h