Re: virtio-input mouse

On 8 october 2024 bhyve only used the virtio 0.9 protocol. Unfortunately,
Linux required virtio 1.0. Not sure if today this has changed.


On Wed, Oct 8, 2025 at 9:09 AM Vasily Postnicov <shamaz.mazum@gmail.com>
wrote:

> Is it possible to have mouse emulation using virtio-input in bhyve?
>
> My FreeBSD version is 14.3-RELEASE-p3, UEFI bootrom from
> edk2-bhyve-g202308_5 and the guest is Ubuntu Linux.
>
> My mouse device seems to be /dev/input/event6 (I guess. I checked this
> using cat /dev/input/event6 and moving my mouse).
>
> I start bhyve as follows:
> bhyve -c 2 -m 8G -w -H \
>            -s 0,hostbridge -s
> 3,virtio-blk,/dev/zvol/mypool/virtual/ubuntu2 \
>            -s 5,virtio-net,tap0 -s 6,virtio-input,/dev/input/event6 \
>            -s 29,fbuf,tcp=127.0.0.1:5900,w=1920,h=1080 \
>            -s 31,lpc -l com1,stdio -l bootrom,BHYVE_UEFI.fd ubuntu
>
> and use wlvncc to connect to the VNC server. This way the mouse pointer
> stops moving in the host system and there is no mouse in the guest.
>
> When I use -s 30,xhci,tablet my mouse works, but I wonder if I can use
> virtio-input instead.
>


-- 
Mario.