vbus(4)

vbus4

Virtual device bus

Usage

vbus0 at mainbus0

Overview

The vbus driver provides a virtual bus for virtual devices provided by the UltraSPARC Hypervisor as found on sun4v systems and logical domains.

OpenBSD provides support for the following devices:

cbus(4)

channel device bus

vcons(4)

virtual console interface

vrng(4)

virtual random number generator

vrtc(4)

virtual real-time clock

History

The vbus driver first appeared in OpenBSD 4.4.

Authors

The vbus driver was written by Mark Kettenis ⟨[email protected]⟩.

From man 8.0-current-20261101 in OpenBSD 8.0-current (2026-11-01). Parsed by carta from the page's mdoc source.