1.\" $NetBSD: osiop.4,v 1.7 2014/02/24 07:23:40 skrll Exp $ 2.\" 3.\" Copyright (c) 2001 Izumi Tsutsui. All rights reserved. 4.\" 5.\" Redistribution and use in source and binary forms, with or without 6.\" modification, are permitted provided that the following conditions 7.\" are met: 8.\" 1. Redistributions of source code must retain the above copyright 9.\" notice, this list of conditions and the following disclaimer. 10.\" 2. Redistributions in binary form must reproduce the above copyright 11.\" notice, this list of conditions and the following disclaimer in the 12.\" documentation and/or other materials provided with the distribution. 13.\" 14.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 15.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 16.\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 17.\" IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 18.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 19.\" NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 20.\" DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 21.\" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 23.\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24.\" 25.Dd May 12, 2001 26.Dt OSIOP 4 27.Os 28.Sh NAME 29.Nm osiop 30.Nd Symbios/NCR 53C710 SCSI driver 31.Sh SYNOPSIS 32.Ss arc 33.Cd "osiop* at jazzio? flags 0x00000" 34.Ss ews4800mips 35.Cd "osiop* at sbdio? flags 0x00000" 36.Ss hppa 37.Cd "osiop0 at gsc? flags 0x00000" 38.Ss mvme68k 39.Cd "osiop0 at pcctwo? ipl 2" 40.Pp 41.Cd "scsibus* at osiop?" 42.Sh DESCRIPTION 43The 44.Nm 45driver provides support for the 46.Tn Symbios/NCR 4753C710 48.Tn SCSI 49controller chip. 50.Pp 51For the 52.Tn Symbios/NCR 5353C700 54.Tn SCSI 55host adapters, use the 56.Xr oosiop 4 57driver. 58.Pp 59For the 60.Tn Symbios/NCR 6153C8xx 62.Tn PCI 63.Tn SCSI 64host adapters, use the 65.Xr siop 4 66or 67.Xr esiop 4 68driver. 69.Sh CONFIGURATION 70The 71.Nm 72driver supports the following 73.Sy flags 74for use in 75.Xr config 1 76files: 77.Pp 78.Bl -tag -compact -width "bits 8-15:" 79.It bits 0-7 : 80disable disconnect/reselect for the corresponding 81.Tn SCSI 82target 83.It bits 8-15 : 84disable synchronous negotiation for 85.Tn SCSI 86target 87.It bits 16 : 88disable DMA interrupts 89.El 90.Pp 91.Qq Target 92is synonymous with 93.Tn SCSI 94ID number. 95.Pp 96Note that 97.Tn SCSI 98tape drives should be allowed to perform disconnect/reselect or performance 99will suffer. 100.\" .Sh BUGS 101.\" Neither 102.\" .Tn DMA 103.\" or synchronous data transfers are currently supported. 104.Sh SEE ALSO 105.Xr cd 4 , 106.Xr ch 4 , 107.Xr esiop 4 , 108.Xr intro 4 , 109.Xr oosiop 4 , 110.Xr scsi 4 , 111.Xr sd 4 , 112.Xr siop 4 , 113.Xr ss 4 , 114.Xr st 4 , 115.Xr uk 4 , 116.Xr scsipi 9 117.Sh HISTORY 118.Nm 119driver first appeared in 120.Nx 1.6 . 121.Pp 122The original 123.Tn NCR 12453C710 125driver appeared in 126.Nx 1271.0 amiga port, and Izumi Tsutsui 128.Aq tsutsui@NetBSD.org 129modified the driver and made it machine-independent. 130