1.\" $OpenBSD: virtio.4,v 1.9 2014/01/21 21:14:58 sf Exp $ 2.\" 3.\" Copyright (c) 2012 Stefan Fritsch <sf@sfritsch.de> 4.\" 5.\" Permission to use, copy, modify, and distribute this software for any 6.\" purpose with or without fee is hereby granted, provided that the above 7.\" copyright notice and this permission notice appear in all copies. 8.\" 9.\" THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 10.\" WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 11.\" MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 12.\" ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 13.\" WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 14.\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 15.\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 16.\" 17.Dd $Mdocdate: January 21 2014 $ 18.Dt VIRTIO 4 19.Os 20.Sh NAME 21.Nm virtio 22.Nd VirtIO support driver 23.Sh SYNOPSIS 24.Cd "virtio* at pci?" 25.Sh DESCRIPTION 26The 27.Nm 28driver provides support service for paravirtualized devices using the VirtIO 29protocol. 30Such devices are provided by bhyve, KVM, QEMU, and VirtualBox. 31.Pp 32Currently there are drivers for the following 33.Nm 34devices: 35.Pp 36.Bl -tag -width "vioscsi(4)XXX" -offset indent -compact 37.It Xr vio 4 38VirtIO network device 39.It Xr vioblk 4 40VirtIO disk 41.It Xr viomb 4 42VirtIO memory ballooning driver 43.It Xr viornd 4 44VirtIO random number device 45.It Xr vioscsi 4 46VirtIO SCSI adapter 47.El 48.Sh SEE ALSO 49.Xr intro 4 50.Sh HISTORY 51The 52.Nm 53driver first appeared in 54.Ox 5.3 . 55.Sh AUTHORS 56.An -nosplit 57The 58.Nm 59driver was ported to 60.Ox 61and improved by 62.An Stefan Fritsch Aq Mt sf@sfritsch.de . 63It is based on the 64.Nx 65driver by 66.An Minoura Makoto . 67