1.\" $OpenBSD: vds.4,v 1.6 2015/11/21 08:04:20 jmc Exp $ 2.\" 3.\" Copyright (c) 2009 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: November 21 2015 $ 18.Dt VDS 4 sparc64 19.Os 20.Sh NAME 21.Nm vds , 22.Nm vdsp 23.Nd virtual disk server 24.Sh SYNOPSIS 25.Cd "vds* at cbus?" 26.Cd "vdsp* at vds?" 27.Sh DESCRIPTION 28The 29.Nm 30driver provides a virtual disk server using the services provided by 31the UltraSPARC Hypervisor as found on sun4v systems. 32It provides the backing storage for virtual disks in other logical 33domains through a logical domain channel provided by the UltraSPARC 34Hypervisor. 35The 36.Nm 37driver uses block devices or disk images in the form of regular files. 38The name of the block device or file used for the disk image is taken from the 39domain's machine description. 40.Pp 41The 42.Nm 43driver supports version 1.0 and version 1.1 of the vDisk protocol. 44.Sh SEE ALSO 45.Xr cbus 4 , 46.Xr intro 4 , 47.Xr vdsk 4 48.Sh HISTORY 49The 50.Nm 51driver first appeared in 52.Ox 4.7 . 53.Sh AUTHORS 54The 55.Nm 56driver was written by 57.An Mark Kettenis Aq Mt kettenis@openbsd.org . 58