1.\" $OpenBSD: vds.4,v 1.2 2009/12/31 14:52:59 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: December 31 2009 $ 18.Dt VDS 4 sparc64 19.Os 20.Sh NAME 21.Nm vds 22.Nd virtual disk server 23.Sh SYNOPSIS 24.Cd "vds* at cbus?" 25.Cd "vdsp* at vds?" 26.Sh DESCRIPTION 27The 28.Nm 29driver provides a virtual disk server using the services provided by 30the UltraSPARC Hypervisor as found on sun4v systems. 31It provides the backing storage for virtual disks in other logical 32domains through a logical domain channel provided by the UltraSPARC 33Hypervisor. 34The 35.Nm 36driver uses disk images in the form of regular files. 37The name of the file used for the disk image is taken from the 38domain's machine description. 39.Pp 40The 41.Nm 42driver supports version 1.0 of the vDisk protocol. 43.Sh SEE ALSO 44.Xr cbus 4 , 45.Xr intro 4 , 46.Xr vdsk 4 47.Sh HISTORY 48The 49.Nm 50driver first appeared in 51.Ox 4.7 . 52.Sh AUTHORS 53The 54.Nm 55driver was written by 56.An Mark Kettenis Aq kettenis@openbsd.org . 57