1.\" $NetBSD: uda.4,v 1.10 2002/02/07 03:15:10 ross Exp $ 2.\" 3.\" Copyright (c) 1980, 1987, 1991, 1993 4.\" The Regents of the University of California. All rights reserved. 5.\" 6.\" Redistribution and use in source and binary forms, with or without 7.\" modification, are permitted provided that the following conditions 8.\" are met: 9.\" 1. Redistributions of source code must retain the above copyright 10.\" notice, this list of conditions and the following disclaimer. 11.\" 2. Redistributions in binary form must reproduce the above copyright 12.\" notice, this list of conditions and the following disclaimer in the 13.\" documentation and/or other materials provided with the distribution. 14.\" 3. All advertising materials mentioning features or use of this software 15.\" must display the following acknowledgement: 16.\" This product includes software developed by the University of 17.\" California, Berkeley and its contributors. 18.\" 4. Neither the name of the University nor the names of its contributors 19.\" may be used to endorse or promote products derived from this software 20.\" without specific prior written permission. 21.\" 22.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 23.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 26.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32.\" SUCH DAMAGE. 33.\" 34.\" from: @(#)uda.4 8.1 (Berkeley) 6/5/93 35.\" 36.Dd June 5, 1993 37.Dt UDA 4 vax 38.Os 39.Sh NAME 40.Nm uda 41.Nd 42.Tn Unibus 43MSCP disk controller driver 44.Sh SYNOPSIS 45.Cd "uda0 at uba? csr 0172150" 46.Cd "uda1 at uba? csr 0160334" 47.Cd "mscpbus* at uda?" 48.Sh DESCRIPTION 49The 50.Nm 51driver is for Unibus 52disk controllers that use MSCP. Among these controllers are: 53.Pp 54.Bl -tag -width xxxx -offset indent -compact 55.It DEC UDA50 Unibus ctlr 56.It DEC KDA50 Q22 bus ctlr 57.It DEC RQDX3 Q22 bus ctlr 58.El 59.Pp 60The 61.Nm 62communicates with the host through 63a packet protocol known as the Mass Storage Control Protocol 64.Pq Tn MSCP . 65Consult the file 66.Aq Pa mscp/mscp.h 67for a detailed description of this protocol. 68.Sh SEE ALSO 69.Xr intro 4 70.\".Xr ra 4 71.Sh HISTORY 72The 73.Nm 74driver appeared in 75.Bx 4.2 . 76.br 77A new 78.Nm 79driver approach showed up in 80.Nx 1.2 . 81