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CBUS(4) Device Drivers Manual (sparc64) CBUS(4)

cbus
channel device bus

cbus* at vbus?

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

OpenBSD provides support for the following devices:

vcc(4)
virtual console concentrator
vds(4)
virtual disk server
vdsk(4)
virtual disk
vldc(4)
virtual channel driver
vnet(4)
virtual network interface
vsw(4)
virtual network switch

intro(4), vbus(4)

The cbus driver first appeared in OpenBSD 4.5.

The cbus driver was written by Mark Kettenis <kettenis@openbsd.org>.
July 16, 2013 OpenBSD-current