scsi_tape.h revision 1.7
1 /* $NetBSD: scsi_tape.h,v 1.7 1996/01/11 03:36:34 thorpej Exp $ */ 2 3 /* 4 * Copyright (c) 1994 Charles Hannum. 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 Charles Hannum. 17 * 4. The name of the author may not be used to endorse or promote products 18 * derived from this software without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 21 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 22 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 23 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 24 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 25 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 26 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 27 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 28 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 29 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 /* 33 * Originally written by Julian Elischer (julian (at) tfs.com) 34 * for TRW Financial Systems. 35 * 36 * TRW Financial Systems, in accordance with their agreement with Carnegie 37 * Mellon University, makes this software available to CMU to distribute 38 * or use in any manner that they see fit as long as this message is kept with 39 * the software. For this reason TFS also grants any other persons or 40 * organisations permission to use or modify this software. 41 * 42 * TFS supplies this software to be publicly redistributed 43 * on the understanding that TFS is not responsible for the correct 44 * functioning of this software in any circumstances. 45 * 46 * Ported to run under 386BSD by Julian Elischer (julian (at) tfs.com) Sept 1992 47 */ 48 49 /* 50 * SCSI tape interface description 51 */ 52 53 #ifndef _SCSI_TAPE_H_ 54 #define _SCSI_TAPE_H_ 1 55 56 /* 57 * SCSI command formats 58 */ 59 60 #define READ 0x08 61 #define WRITE 0x0a 62 struct scsi_rw_tape { 63 u_char opcode; 64 u_char byte2; 65 #define SRW_FIXED 0x01 66 u_char len[3]; 67 u_char control; 68 }; 69 70 #define SPACE 0x11 71 struct scsi_space { 72 u_char opcode; 73 u_char byte2; 74 #define SS_CODE 0x03 75 #define SP_BLKS 0x00 76 #define SP_FILEMARKS 0x01 77 #define SP_SEQ_FILEMARKS 0x02 78 #define SP_EOM 0x03 79 u_char number[3]; 80 u_char control; 81 }; 82 83 #define WRITE_FILEMARKS 0x10 84 struct scsi_write_filemarks { 85 u_char opcode; 86 u_char byte2; 87 u_char number[3]; 88 u_char control; 89 }; 90 91 #define REWIND 0x01 92 struct scsi_rewind { 93 u_char opcode; 94 u_char byte2; 95 #define SR_IMMED 0x01 96 u_char unused[3]; 97 u_char control; 98 }; 99 100 #define LOAD 0x1b 101 struct scsi_load { 102 u_char opcode; 103 u_char byte2; 104 #define SL_IMMED 0x01 105 u_char unused[2]; 106 u_char how; 107 #define LD_UNLOAD 0x00 108 #define LD_LOAD 0x01 109 #define LD_RETENSION 0x02 110 u_char control; 111 }; 112 113 #define ERASE 0x19 114 struct scsi_erase { 115 u_char opcode; 116 u_char byte2; 117 #define SE_LONG 0x01 118 #define SE_IMMED 0x02 119 u_char unused[3]; 120 u_char control; 121 }; 122 123 #define READ_BLOCK_LIMITS 0x05 124 struct scsi_block_limits { 125 u_char opcode; 126 u_char byte2; 127 u_char unused[3]; 128 u_char control; 129 }; 130 131 struct scsi_block_limits_data { 132 u_char reserved; 133 u_char max_length_2; /* Most significant */ 134 u_char max_length_1; 135 u_char max_length_0; /* Least significant */ 136 u_char min_length_1; /* Most significant */ 137 u_char min_length_0; /* Least significant */ 138 }; 139 140 /* See SCSI-II spec 9.3.3.1 */ 141 struct scsi_tape_dev_conf_page { 142 u_char pagecode; /* 0x10 */ 143 u_char pagelength; /* 0x0e */ 144 u_char byte2; 145 #define SMT_CAP 0x40 /* change active partition */ 146 #define SMT_CAF 0x20 /* change active format */ 147 #define SMT_AFMASK 0x1f /* active format mask */ 148 u_char active_partition; 149 u_char wb_full_ratio; 150 u_char rb_empty_ratio; 151 u_char wrdelay_time_1; /* MSB */ 152 u_char wrdelay_time_0; /* LSB */ 153 u_char byte8; 154 #define SMT_DBR 0x80 /* data buffer recovery */ 155 #define SMT_BIS 0x40 /* block identifiers supported */ 156 #define SMT_RSMK 0x20 /* report setmarks */ 157 #define SMT_AVC 0x10 /* automatic velocity control */ 158 #define SMT_SOCF_MASK 0xc0 /* stop on consecutive formats */ 159 #define SMT_RBO 0x20 /* recover buffer order */ 160 #define SMT_REW 0x10 /* report early warning */ 161 u_char gap_size; 162 u_char byte10; 163 #define SMT_EODDEFINED 0xe0 /* EOD defined */ 164 #define SMT_EEG 0x10 /* enable EOD generation */ 165 #define SMT_SEW 0x80 /* synchronize at early warning */ 166 u_char ew_bufsize_2; /* MSB */ 167 u_char ew_bufsize_1; /* ... */ 168 u_char ew_bufsize_0; /* LSB */ 169 u_char sel_comp_alg; 170 #define SMT_COMP_NONE 0x00 171 #define SMT_COMP_DEFAULT 0x01 172 u_char reserved; 173 }; 174 175 /* defines for the device specific byte in the mode select/sense header */ 176 #define SMH_DSP_SPEED 0x0F 177 #define SMH_DSP_BUFF_MODE 0x70 178 #define SMH_DSP_BUFF_MODE_OFF 0x00 179 #define SMH_DSP_BUFF_MODE_ON 0x10 180 #define SMH_DSP_BUFF_MODE_MLTI 0x20 181 #define SMH_DSP_WRITE_PROT 0x80 182 183 /* A special for the CIPHER ST150S(old drive) */ 184 struct block_desc_cipher { 185 u_char density; 186 u_char nblocks[3]; 187 u_char reserved; 188 u_char blklen[3]; 189 u_char other; 190 #define ST150_SEC 0x01 /* soft error count */ 191 #define SR150_AUI 0x02 /* autoload inhibit */ 192 }; 193 194 /********************************************************************** 195 from the scsi2 spec 196 Value Tracks Density(bpi) Code Type Reference Note 197 0x1 9 800 NRZI R X3.22-1983 2 198 0x2 9 1600 PE R X3.39-1986 2 199 0x3 9 6250 GCR R X3.54-1986 2 200 0x5 4/9 8000 GCR C X3.136-1986 1 201 0x6 9 3200 PE R X3.157-1987 2 202 0x7 4 6400 IMFM C X3.116-1986 1 203 0x8 4 8000 GCR CS X3.158-1986 1 204 0x9 18 37871 GCR C X3B5/87-099 2 205 0xA 22 6667 MFM C X3B5/86-199 1 206 0xB 4 1600 PE C X3.56-1986 1 207 0xC 24 12690 GCR C HI-TC1 1,5 208 0xD 24 25380 GCR C HI-TC2 1,5 209 0xF 15 10000 GCR C QIC-120 1,5 210 0x10 18 10000 GCR C QIC-150 1,5 211 0x11 26 16000 GCR C QIC-320(525?) 1,5 212 0x12 30 51667 RLL C QIC-1350 1,5 213 0x13 1 61000 DDS CS X3B5/88-185A 4 214 0x14 1 43245 RLL CS X3.202-1991 4 215 0x15 1 45434 RLL CS ECMA TC17 4 216 0x16 48 10000 MFM C X3.193-1990 1 217 0x17 48 42500 MFM C X3B5/91-174 1 218 219 where Code means: 220 NRZI Non Return to Zero, change on ones 221 GCR Group Code Recording 222 PE Phase Encoded 223 IMFM Inverted Modified Frequency Modulation 224 MFM Modified Frequency Modulation 225 DDS Dat Data Storage 226 RLL Run Length Encoding 227 228 where Type means: 229 R Reel-to-Reel 230 C Cartridge 231 CS cassette 232 233 where Notes means: 234 1 Serial Recorded 235 2 Parallel Recorded 236 3 Old format know as QIC-11 237 4 Helical Scan 238 5 Not ANSI standard, rather industry standard. 239 ********************************************************************/ 240 241 #define HALFINCH_800 0x01 242 #define HALFINCH_1600 0x02 243 #define HALFINCH_6250 0x03 244 #define QIC_11 0x04 /* from Archive 150S Theory of Op. XXX */ 245 #define QIC_24 0x05 /* may be bad, works for CIPHER ST150S XXX */ 246 #define QIC_120 0x0f 247 #define QIC_150 0x10 248 #define QIC_320 0x11 249 #define QIC_525 0x11 250 #define QIC_1320 0x12 251 #define DDS 0x13 252 #define DAT_1 0x13 253 254 #endif /* _SCSI_TAPE_H_ */ 255
Indexes created Fri Sep 26 20:09:58 GMT 2025