VBUS(4)              OpenBSD Programmer's Manual (SPARC64)             VBUS(4)

NAME
     vbus - virtual device bus

SYNOPSIS
     vbus0 at mainbus0

DESCRIPTION
     The vbus driver provides a virtual bus for devices provided by the Ultra-
     SPARC Hypervisor as found on sun4v systems.

     OpenBSD provides support for the following devices:

        vcons(4)    virtual console interface
        vrtc(4)     virtual real-time clock

SEE ALSO
     intro(4)

HISTORY
     The vbus driver first appeared in OpenBSD 4.4.

AUTHORS
     The vbus driver was written by Mark Kettenis <kettenis@openbsd.org>.

OpenBSD 4.4                      March 9, 2008                               1
