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Diffstat (limited to 'sys/i386/isa/wtreg.h')
| -rw-r--r-- | sys/i386/isa/wtreg.h | 125 |
1 files changed, 125 insertions, 0 deletions
diff --git a/sys/i386/isa/wtreg.h b/sys/i386/isa/wtreg.h new file mode 100644 index 0000000..e45e514 --- /dev/null +++ b/sys/i386/isa/wtreg.h @@ -0,0 +1,125 @@ +/* + * Streamer tape driver for 386bsd and FreeBSD. + * Supports Archive and Wangtek compatible QIC-02/QIC-36 boards. + * + * Copyright (C) 1993 by: + * Sergey Ryzhkov <sir@kiae.su> + * Serge Vakulenko <vak@zebub.msk.su> + * + * This software is distributed with NO WARRANTIES, not even the implied + * warranties for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. + * + * Authors grant any other persons or organisations permission to use + * or modify this software as long as this message is kept with the software, + * all derivative works or modified versions. + * + * This driver is derived from the old 386bsd Wangtek streamer tape driver, + * made by Robert Baron at CMU, based on Intel sources. + * Authors thank Robert Baron, CMU and Intel and retain here + * the original CMU copyright notice. + * + * Version 1.3, Thu Nov 11 12:09:13 MSK 1993 + * $Id$ + * + */ + +/* + * Copyright (c) 1989 Carnegie-Mellon University. + * All rights reserved. + * + * Authors: Robert Baron + * + * Permission to use, copy, modify and distribute this software and + * its documentation is hereby granted, provided that both the copyright + * notice and this permission notice appear in all copies of the + * software, derivative works or modified versions, and any portions + * thereof, and that both notices appear in supporting documentation. + * + * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" + * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND + * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. + * + * Carnegie Mellon requests users of this software to return to + * + * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU + * School of Computer Science + * Carnegie Mellon University + * Pittsburgh PA 15213-3890 + * + * any improvements or extensions that they make and grant Carnegie the + * rights to redistribute these changes. + */ + +/* ioctl for direct QIC commands */ +#define WTQICMD _IO('W', 0) + +/* QIC-02 commands allowed for WTQICMD */ +#define QIC_ERASE 0x22 /* erase the tape */ +#define QIC_RETENS 0x24 /* retension the tape */ + +/* internal QIC-02 commands */ +#define QIC_RDDATA 0x80 /* read data */ +#define QIC_READFM 0xa0 /* read file mark */ +#define QIC_WRTDATA 0x40 /* write data */ +#define QIC_WRITEFM 0x60 /* write file mark */ +#define QIC_RDSTAT 0xc0 /* read status command */ +#define QIC_REWIND 0x21 /* rewind command (position+bot) */ +#define QIC_FMT11 0x26 /* set format QIC-11 */ +#define QIC_FMT24 0x27 /* set format QIC-24 */ +#define QIC_FMT120 0x28 /* set format QIC-120 */ +#define QIC_FMT150 0x29 /* set format QIC-150 */ +#define QIC_FMT300 0x2a /* set format QIC-300/QIC-2100 */ +#define QIC_FMT600 0x2b /* set format QIC-600/QIC-2200 */ + +/* tape driver flags */ +#define TPINUSE 0x0001 /* tape is already open */ +#define TPREAD 0x0002 /* tape is only open for reading */ +#define TPWRITE 0x0004 /* tape is only open for writing */ +#define TPSTART 0x0008 /* tape must be rewound and reset */ +#define TPRMARK 0x0010 /* read file mark command outstanding */ +#define TPWMARK 0x0020 /* write file mark command outstanding */ +#define TPREW 0x0040 /* rewind command outstanding */ +#define TPEXCEP 0x0080 /* i/o exception flag */ +#define TPVOL 0x0100 /* read file mark or hit end of tape */ +#define TPWO 0x0200 /* write command outstanding */ +#define TPRO 0x0400 /* read command outstanding */ +#define TPWANY 0x0800 /* write command requested */ +#define TPRANY 0x1000 /* read command requested */ +#define TPWP 0x2000 /* write protect error seen */ +#define TPTIMER 0x4000 /* timer() is active */ +#define TPACTIVE 0x8000 /* dma i/o active */ + +/* controller error register bits */ +#define TP_FIL 0x0001 /* File mark detected */ +#define TP_BNL 0x0002 /* Block not located */ +#define TP_UDA 0x0004 /* Unrecoverable data error */ +#define TP_EOM 0x0008 /* End of media */ +#define TP_WRP 0x0010 /* Write protected cartridge */ +#define TP_USL 0x0020 /* Unselected drive */ +#define TP_CNI 0x0040 /* Cartridge not in place */ +#define TP_ST0 0x0080 /* Status byte 0 bits */ +#define TP_ST0MASK 0x00ff /* Status byte 0 mask */ +#define TP_POR 0x0100 /* Power on/reset occurred */ +#define TP_ERM 0x0200 /* Reserved for end of recorded media */ +#define TP_BPE 0x0400 /* Reserved for bus parity error */ +#define TP_BOM 0x0800 /* Beginning of media */ +#define TP_MBD 0x1000 /* Marginal block detected */ +#define TP_NDT 0x2000 /* No data detected */ +#define TP_ILL 0x4000 /* Illegal command - should not happen! */ +#define TP_ST1 0x8000 /* Status byte 1 bits */ +#define TP_ST1MASK 0xff00 /* Status byte 1 mask */ + +/* formats for printing flags and error values */ +#define WTDS_BITS "\20\1inuse\2read\3write\4start\5rmark\6wmark\7rew\10excep\11vol\12wo\13ro\14wany\15rany\16wp\17timer\20active" +#define WTER_BITS "\20\1eof\2bnl\3uda\4eom\5wrp\6usl\7cni\11por\12erm\13bpe\14bom\15mbd\16ndt\17ill" + +/* device minor number */ +#define WT_BSIZE 0100 /* long block flag */ +#define WT_DENSEL 0070 /* density select mask */ +#define WT_DENSDFLT 0000 /* default density */ +#define WT_QIC11 0010 /* 11 megabytes? */ +#define WT_QIC24 0020 /* 60 megabytes */ +#define WT_QIC120 0030 /* 120 megabytes */ +#define WT_QIC150 0040 /* 150 megabytes */ +#define WT_QIC300 0050 /* 300 megabytes? */ +#define WT_QIC600 0060 /* 600 megabytes? */ |
