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VLDC(4) Device Drivers Manual (sparc64) VLDC(4)

vldc, vldcpvirtual channel driver

vldc* at cbus?
vldcp* at vldc?

The vldc driver provides access to services provided over virtual channels provided by the UltraSPARC Hypervisor as found on sun4v systems. Examples of such services are the Hypervisor Control Interface and the Variable Configuration domain service.

cbus(4), intro(4)

The vldc driver first appeared in OpenBSD 5.3.

The vldc driver was written by Mark Kettenis <>.

November 21, 2015 OpenBSD-6.0