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df9b2252 RG |
1 | /* |
2 | * Streamer tape driver for 386bsd and FreeBSD. | |
7a8b8432 | 3 | * Supports Archive and Wangtek compatible QIC-02/QIC-36 boards. |
df9b2252 RG |
4 | * |
5 | * Copyright (C) 1993 by: | |
6 | * Sergey Ryzhkov <sir@kiae.su> | |
7 | * Serge Vakulenko <vak@zebub.msk.su> | |
8 | * | |
7a8b8432 | 9 | * This software is distributed with NO WARRANTIES, not even the implied |
df9b2252 | 10 | * warranties for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. |
15637ed4 | 11 | * |
df9b2252 RG |
12 | * Authors grant any other persons or organisations permission to use |
13 | * or modify this software as long as this message is kept with the software, | |
14 | * all derivative works or modified versions. | |
15637ed4 | 15 | * |
df9b2252 RG |
16 | * This driver is derived from the old 386bsd Wangtek streamer tape driver, |
17 | * made by Robert Baron at CMU, based on Intel sources. | |
18 | * Authors thank Robert Baron, CMU and Intel and retain here | |
19 | * the original CMU copyright notice. | |
d7136515 | 20 | * |
7a8b8432 AM |
21 | * Version 1.3, Thu Nov 11 12:09:13 MSK 1993 |
22 | * $Id$ | |
23 | * | |
15637ed4 RG |
24 | */ |
25 | ||
26 | /* | |
15637ed4 RG |
27 | * Copyright (c) 1989 Carnegie-Mellon University. |
28 | * All rights reserved. | |
29 | * | |
30 | * Authors: Robert Baron | |
31 | * | |
32 | * Permission to use, copy, modify and distribute this software and | |
33 | * its documentation is hereby granted, provided that both the copyright | |
34 | * notice and this permission notice appear in all copies of the | |
35 | * software, derivative works or modified versions, and any portions | |
36 | * thereof, and that both notices appear in supporting documentation. | |
37 | * | |
38 | * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" | |
39 | * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND | |
40 | * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. | |
41 | * | |
42 | * Carnegie Mellon requests users of this software to return to | |
43 | * | |
44 | * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU | |
45 | * School of Computer Science | |
46 | * Carnegie Mellon University | |
47 | * Pittsburgh PA 15213-3890 | |
48 | * | |
49 | * any improvements or extensions that they make and grant Carnegie the | |
50 | * rights to redistribute these changes. | |
51 | */ | |
52 | ||
df9b2252 RG |
53 | /* ioctl for direct QIC commands */ |
54 | #define WTQICMD _IO('W', 0) | |
15637ed4 | 55 | |
df9b2252 | 56 | /* QIC-02 commands allowed for WTQICMD */ |
7a8b8432 AM |
57 | #define QIC_ERASE 0x22 /* erase the tape */ |
58 | #define QIC_RETENS 0x24 /* retension the tape */ | |
15637ed4 | 59 | |
df9b2252 RG |
60 | /* internal QIC-02 commands */ |
61 | #define QIC_RDDATA 0x80 /* read data */ | |
62 | #define QIC_READFM 0xa0 /* read file mark */ | |
63 | #define QIC_WRTDATA 0x40 /* write data */ | |
64 | #define QIC_WRITEFM 0x60 /* write file mark */ | |
65 | #define QIC_RDSTAT 0xc0 /* read status command */ | |
66 | #define QIC_REWIND 0x21 /* rewind command (position+bot) */ | |
67 | #define QIC_FMT11 0x26 /* set format QIC-11 */ | |
68 | #define QIC_FMT24 0x27 /* set format QIC-24 */ | |
69 | #define QIC_FMT120 0x28 /* set format QIC-120 */ | |
70 | #define QIC_FMT150 0x29 /* set format QIC-150 */ | |
7a8b8432 AM |
71 | #define QIC_FMT300 0x2a /* set format QIC-300/QIC-2100 */ |
72 | #define QIC_FMT600 0x2b /* set format QIC-600/QIC-2200 */ | |
df9b2252 RG |
73 | |
74 | /* tape driver flags */ | |
75 | #define TPINUSE 0x0001 /* tape is already open */ | |
76 | #define TPREAD 0x0002 /* tape is only open for reading */ | |
77 | #define TPWRITE 0x0004 /* tape is only open for writing */ | |
78 | #define TPSTART 0x0008 /* tape must be rewound and reset */ | |
79 | #define TPRMARK 0x0010 /* read file mark command outstanding */ | |
80 | #define TPWMARK 0x0020 /* write file mark command outstanding */ | |
81 | #define TPREW 0x0040 /* rewind command outstanding */ | |
82 | #define TPEXCEP 0x0080 /* i/o exception flag */ | |
83 | #define TPVOL 0x0100 /* read file mark or hit end of tape */ | |
84 | #define TPWO 0x0200 /* write command outstanding */ | |
85 | #define TPRO 0x0400 /* read command outstanding */ | |
86 | #define TPWANY 0x0800 /* write command requested */ | |
87 | #define TPRANY 0x1000 /* read command requested */ | |
88 | #define TPWP 0x2000 /* write protect error seen */ | |
89 | #define TPTIMER 0x4000 /* timer() is active */ | |
90 | #define TPACTIVE 0x8000 /* dma i/o active */ | |
15637ed4 | 91 | |
df9b2252 RG |
92 | /* controller error register bits */ |
93 | #define TP_FIL 0x0001 /* File mark detected */ | |
94 | #define TP_BNL 0x0002 /* Block not located */ | |
95 | #define TP_UDA 0x0004 /* Unrecoverable data error */ | |
96 | #define TP_EOM 0x0008 /* End of media */ | |
97 | #define TP_WRP 0x0010 /* Write protected cartridge */ | |
98 | #define TP_USL 0x0020 /* Unselected drive */ | |
99 | #define TP_CNI 0x0040 /* Cartridge not in place */ | |
100 | #define TP_ST0 0x0080 /* Status byte 0 bits */ | |
101 | #define TP_ST0MASK 0x00ff /* Status byte 0 mask */ | |
102 | #define TP_POR 0x0100 /* Power on/reset occurred */ | |
7a8b8432 AM |
103 | #define TP_ERM 0x0200 /* Reserved for end of recorded media */ |
104 | #define TP_BPE 0x0400 /* Reserved for bus parity error */ | |
df9b2252 | 105 | #define TP_BOM 0x0800 /* Beginning of media */ |
7a8b8432 AM |
106 | #define TP_MBD 0x1000 /* Marginal block detected */ |
107 | #define TP_NDT 0x2000 /* No data detected */ | |
df9b2252 | 108 | #define TP_ILL 0x4000 /* Illegal command - should not happen! */ |
7a8b8432 | 109 | #define TP_ST1 0x8000 /* Status byte 1 bits */ |
df9b2252 | 110 | #define TP_ST1MASK 0xff00 /* Status byte 1 mask */ |
15637ed4 | 111 | |
df9b2252 RG |
112 | /* formats for printing flags and error values */ |
113 | #define WTDS_BITS "\20\1inuse\2read\3write\4start\5rmark\6wmark\7rew\10excep\11vol\12wo\13ro\14wany\15rany\16wp\17timer\20active" | |
7a8b8432 AM |
114 | #define WTER_BITS "\20\1eof\2bnl\3uda\4eom\5wrp\6usl\7cni\11por\12erm\13bpe\14bom\15mbd\16ndt\17ill" |
115 | ||
116 | /* device minor number */ | |
117 | #define WT_BSIZE 0100 /* long block flag */ | |
118 | #define WT_DENSEL 0070 /* density select mask */ | |
119 | #define WT_DENSDFLT 0000 /* default density */ | |
120 | #define WT_QIC11 0010 /* 11 megabytes? */ | |
121 | #define WT_QIC24 0020 /* 60 megabytes */ | |
122 | #define WT_QIC120 0030 /* 120 megabytes */ | |
123 | #define WT_QIC150 0040 /* 150 megabytes */ | |
124 | #define WT_QIC300 0050 /* 300 megabytes? */ | |
125 | #define WT_QIC600 0060 /* 600 megabytes? */ |