add viogpu, a VirtIO GPU driver

works enough to get a console on qemu with more work to come from
others

feedback from miod
ok patrick

2 files changed, 52 insertions, 2 deletions

diff --git a/share/man/man4/Makefile b/share/man/man4/Makefile
index 4f119c79561..ad8d357442d 100644
--- a/share/man/man4/Makefile
+++ b/share/man/man4/Makefile
@@ -1,4 +1,4 @@
-#	$OpenBSD: Makefile,v 1.839 2023/04/19 00:13:23 dlg Exp $
+#	$OpenBSD: Makefile,v 1.840 2023/04/20 19:28:30 jcs Exp $
 
 MAN=	aac.4 abcrtc.4 abl.4 ac97.4 acphy.4 acrtc.4 \
 	acpi.4 acpiac.4 acpials.4 acpiasus.4 acpibat.4 \
@@ -108,7 +108,7 @@ MAN=	aac.4 abcrtc.4 abl.4 ac97.4 acphy.4 acrtc.4 \
 	uvisor.4 uvscom.4 uwacom.4 uxrcom.4 \
 	veb.4 vether.4 vga.4 vgafb.4 vge.4 \
 	viapm.4 viasio.4 vic.4 video.4 vio.4 \
-	vioblk.4 viocon.4 viomb.4 viornd.4 vioscsi.4 virtio.4 vlan.4 \
+	vioblk.4 viocon.4 viogpu.4 viomb.4 viornd.4 vioscsi.4 virtio.4 vlan.4 \
 	vmmci.4 vmt.4 vmwpvs.4 vmx.4 vnd.4 vr.4 \
 	vscsi.4 vte.4 vxlan.4 \
 	watchdog.4 wb.4 wbenv.4 wbng.4 wbsd.4 wbsio.4 wd.4 wdc.4 we.4 \
diff --git a/share/man/man4/viogpu.4 b/share/man/man4/viogpu.4
new file mode 100644
index 00000000000..81eec53e1ea
--- /dev/null
+++ b/share/man/man4/viogpu.4
@@ -0,0 +1,50 @@
+.\"     $OpenBSD: viogpu.4,v 1.1 2023/04/20 19:28:30 jcs Exp $
+.\"
+.\" Copyright (c) 2023 joshua stein <jcs@openbsd.org>
+.\"
+.\" Permission to use, copy, modify, and distribute this software for any
+.\" purpose with or without fee is hereby granted, provided that the above
+.\" copyright notice and this permission notice appear in all copies.
+.\"
+.\" THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+.\" WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+.\" MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+.\" ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+.\" WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+.\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+.\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+.\"
+.Dd $Mdocdate: April 20 2023 $
+.Dt VIOGPU 4
+.Os
+.Sh NAME
+.Nm viogpu
+.Nd VirtIO GPU device
+.Sh SYNOPSIS
+.Cd "viogpu* at virtio?"
+.Cd "wsdisplay* at viogpu?"
+.Sh DESCRIPTION
+The
+.Nm
+driver provides support for the
+.Xr virtio 4
+GPU interface provided by QEMU and other virtual machines to create a
+.Xr wscons 4
+console.
+.El
+.Sh SEE ALSO
+.Xr intro 4 ,
+.Xr virtio 4
+.Xr wscons 4 ,
+.Xr wsdisplay 4 ,
+.Sh HISTORY
+The
+.Nm
+driver first appeared in
+.Ox 7.4 .
+.Sh AUTHORS
+.An -nosplit
+The
+.Nm
+driver was written by
+.An joshua stein Aq Mt jcs@openbsd.org .