1.\" $OpenBSD: vbus.4,v 1.9 2013/07/16 16:05:50 schwarze Exp $ 2.\" 3.\" Copyright (c) 2008 Mark Kettenis <kettenis@openbsd.org> 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: July 16 2013 $ 18.Dt VBUS 4 sparc64 19.Os 20.Sh NAME 21.Nm vbus 22.Nd virtual device bus 23.Sh SYNOPSIS 24.Cd "vbus0 at mainbus0" 25.Sh DESCRIPTION 26The 27.Nm 28driver provides a virtual bus for virtual devices provided by the 29UltraSPARC Hypervisor as found on sun4v systems and logical domains. 30.Pp 31.Ox 32provides support for the following devices: 33.Pp 34.Bl -tag -width "vcons(4)XX" -offset 3n -compact 35.It Xr cbus 4 36channel device bus 37.It Xr vcons 4 38virtual console interface 39.It Xr vrng 4 40virtual random number generator 41.It Xr vrtc 4 42virtual real-time clock 43.El 44.Sh SEE ALSO 45.Xr intro 4 46.Sh HISTORY 47The 48.Nm 49driver first appeared in 50.Ox 4.4 . 51.Sh AUTHORS 52The 53.Nm 54driver was written by 55.An Mark Kettenis Aq Mt kettenis@openbsd.org . 56