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Wed, 08 Oct 2025 00:09:38 -0700 (PDT) List-Id: Discussion List-Archive: https://lists.freebsd.org/archives/freebsd-virtualization List-Help: List-Post: List-Subscribe: List-Unsubscribe: X-BeenThere: freebsd-virtualization@freebsd.org Sender: owner-freebsd-virtualization@FreeBSD.org MIME-Version: 1.0 From: Vasily Postnicov Date: Wed, 8 Oct 2025 07:09:26 +0000 X-Gm-Features: AS18NWCrextYE0ePWPKIRTz8I_yeODk9B9JBvbTiL2_kJXdZCzO_5gehexq0JwM Message-ID: Subject: virtio-input mouse To: freebsd-virtualization@freebsd.org Content-Type: multipart/alternative; boundary="0000000000001c40070640a05e55" X-Spamd-Bar: - X-Spamd-Result: default: False [-1.49 / 15.00]; URI_COUNT_ODD(1.00)[1]; HTTP_TO_IP(1.00)[]; NEURAL_HAM_MEDIUM(-1.00)[-1.000]; NEURAL_HAM_LONG(-1.00)[-0.999]; DMARC_POLICY_ALLOW(-0.50)[gmail.com,none]; NEURAL_HAM_SHORT(-0.49)[-0.488]; R_DKIM_ALLOW(-0.20)[gmail.com:s=20230601]; R_SPF_ALLOW(-0.20)[+ip6:2607:f8b0:4000::/36]; MIME_GOOD(-0.10)[multipart/alternative,text/plain]; RCVD_TLS_LAST(0.00)[]; TO_MATCH_ENVRCPT_ALL(0.00)[]; FROM_HAS_DN(0.00)[]; RCPT_COUNT_ONE(0.00)[1]; MIME_TRACE(0.00)[0:+,1:+,2:~]; ARC_NA(0.00)[]; FREEMAIL_ENVFROM(0.00)[gmail.com]; FREEMAIL_FROM(0.00)[gmail.com]; TAGGED_FROM(0.00)[]; MISSING_XM_UA(0.00)[]; DWL_DNSWL_NONE(0.00)[gmail.com:dkim]; PREVIOUSLY_DELIVERED(0.00)[freebsd-virtualization@freebsd.org]; TO_DN_NONE(0.00)[]; FROM_EQ_ENVFROM(0.00)[]; DKIM_TRACE(0.00)[gmail.com:+]; MID_RHS_MATCH_FROMTLD(0.00)[]; ASN(0.00)[asn:15169, ipnet:2607:f8b0::/32, country:US]; MLMMJ_DEST(0.00)[freebsd-virtualization@freebsd.org]; RCVD_COUNT_ONE(0.00)[1]; RCVD_IN_DNSWL_NONE(0.00)[2607:f8b0:4864:20::130:from] X-Rspamd-Queue-Id: 4chPJm1zYGz3L08 --0000000000001c40070640a05e55 Content-Type: text/plain; charset="UTF-8" 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. --0000000000001c40070640a05e55 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
Is it possible to have mouse emulation using virtio-input = in bhyve?

My FreeBSD version is 14.3-RELEASE-p3, UEFI bo= otrom from edk2-bhyve-g202308_5 and the guest is Ubuntu Linux.
My mouse device seems to be /dev/input/event6 (I guess. I chec= ked this using cat /dev/input/event6 and moving my mouse).

I start bhyve as follows:
bhyve -c 2 -m 8G -w -H \
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0-s 0,hostbridge -s 3,virtio-blk= ,/dev/zvol/mypool/virtual/ubuntu2 \
=C2=A0 =C2=A0 =C2=A0 =C2=A0 = =C2=A0 =C2=A0-s 5,virtio-net,tap0 -s 6,virtio-input,/dev/input/event6 \
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0-s 29,fbuf,tcp=3D127.0.0.1:5900,w=3D1920,h=3D1080 \
= =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0-s 31,lpc -l com1,stdio -l bootrom= ,BHYVE_UEFI.fd ubuntu

and use wlvncc=C2= =A0to 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 v= irtio-input instead.
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