scsi_tape.h

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    1 /*      $OpenBSD: scsi_tape.h,v 1.11 2019/09/27 23:07:42 krw Exp $      */
    2 /*      $NetBSD: scsi_tape.h,v 1.9 1996/05/24 02:04:47 thorpej Exp $    */
    3 
    4 /*
    5  * Copyright (c) 1994 Charles Hannum.  All rights reserved.
    6  *
    7  * Redistribution and use in source and binary forms, with or without
    8  * modification, are permitted provided that the following conditions
    9  * are met:
   10  * 1. Redistributions of source code must retain the above copyright
   11  *    notice, this list of conditions and the following disclaimer.
   12  * 2. Redistributions in binary form must reproduce the above copyright
   13  *    notice, this list of conditions and the following disclaimer in the
   14  *    documentation and/or other materials provided with the distribution.
   15  * 3. All advertising materials mentioning features or use of this software
   16  *    must display the following acknowledgement:
   17  *      This product includes software developed by Charles Hannum.
   18  * 4. The name of the author may not be used to endorse or promote products
   19  *    derived from this software without specific prior written permission.
   20  *
   21  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
   22  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
   23  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
   24  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
   25  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
   26  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
   27  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
   28  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
   29  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
   30  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   31  */
   32 
   33 /*
   34  * Originally written by Julian Elischer (julian@tfs.com)
   35  * for TRW Financial Systems.
   36  *
   37  * TRW Financial Systems, in accordance with their agreement with Carnegie
   38  * Mellon University, makes this software available to CMU to distribute
   39  * or use in any manner that they see fit as long as this message is kept with
   40  * the software. For this reason TFS also grants any other persons or
   41  * organisations permission to use or modify this software.
   42  *
   43  * TFS supplies this software to be publicly redistributed
   44  * on the understanding that TFS is not responsible for the correct
   45  * functioning of this software in any circumstances.
   46  *
   47  * Ported to run under 386BSD by Julian Elischer (julian@tfs.com) Sept 1992
   48  */
   49 
   50 /*
   51  * SCSI tape interface description
   52  */
   53 
   54 #ifndef _SCSI_SCSI_TAPE_H
   55 #define _SCSI_SCSI_TAPE_H
   56 
   57 /*
   58  * SCSI command formats
   59  */
   60 
   61 #define READ                    0x08
   62 #define WRITE                   0x0a
   63 struct scsi_rw_tape {
   64         u_int8_t opcode;
   65         u_int8_t byte2;
   66 #define SRW_FIXED               0x01
   67         u_int8_t len[3];
   68         u_int8_t control;
   69 };
   70 
   71 #define SPACE                   0x11
   72 struct scsi_space {
   73         u_int8_t opcode;
   74         u_int8_t byte2;
   75 #define SS_CODE                 0x03
   76 #define SP_BLKS                 0x00
   77 #define SP_FILEMARKS            0x01
   78 #define SP_SEQ_FILEMARKS        0x02
   79 #define SP_EOM                  0x03
   80         u_int8_t number[3];
   81         u_int8_t control;
   82 };
   83 
   84 #define WRITE_FILEMARKS         0x10
   85 struct scsi_write_filemarks {
   86         u_int8_t opcode;
   87         u_int8_t byte2;
   88         u_int8_t number[3];
   89         u_int8_t control;
   90 };
   91 
   92 #define REWIND                  0x01
   93 struct scsi_rewind {
   94         u_int8_t opcode;
   95         u_int8_t byte2;
   96 #define SR_IMMED                0x01
   97         u_int8_t unused[3];
   98         u_int8_t control;
   99 };
  100 
  101 #define LOAD                    0x1b
  102 struct scsi_load {
  103         u_int8_t opcode;
  104         u_int8_t byte2;
  105 #define SL_IMMED                0x01
  106         u_int8_t unused[2];
  107         u_int8_t how;
  108 #define LD_UNLOAD               0x00
  109 #define LD_LOAD                 0x01
  110 #define LD_RETENSION            0x02
  111         u_int8_t control;
  112 };
  113 
  114 #define ERASE                   0x19
  115 struct scsi_erase {
  116         u_int8_t opcode;
  117         u_int8_t byte2;
  118 #define SE_LONG                 0x01
  119 #define SE_IMMED                0x02
  120         u_int8_t unused[3];
  121         u_int8_t control;
  122 };
  123 
  124 #define READ_BLOCK_LIMITS       0x05
  125 struct scsi_block_limits {
  126         u_int8_t opcode;
  127         u_int8_t byte2;
  128         u_int8_t unused[3];
  129         u_int8_t control;
  130 };
  131 
  132 struct scsi_block_limits_data {
  133         u_int8_t reserved;
  134         u_int8_t max_length[3]; /* Most significant */
  135         u_int8_t min_length[2]; /* Most significant */
  136 };
  137 
  138 /* See SCSI-II spec 9.3.3.1 */
  139 struct scsi_tape_dev_conf_page {
  140         u_int8_t pagecode;      /* 0x10 */
  141         u_int8_t pagelength;    /* 0x0e */
  142         u_int8_t byte2;
  143 #define SMT_CAP                 0x40    /* change active partition */
  144 #define SMT_CAF                 0x20    /* change active format */
  145 #define SMT_AFMASK              0x1f    /* active format mask */
  146         u_int8_t active_partition;
  147         u_int8_t wb_full_ratio;
  148         u_int8_t rb_empty_ratio;
  149         u_int8_t wrdelay_time[2];
  150         u_int8_t byte8;
  151 #define SMT_DBR                 0x80    /* data buffer recovery */
  152 #define SMT_BIS                 0x40    /* block identifiers supported */
  153 #define SMT_RSMK                0x20    /* report setmarks */
  154 #define SMT_AVC                 0x10    /* automatic velocity control */
  155 #define SMT_SOCF_MASK           0xc0    /* stop on consecutive formats */
  156 #define SMT_RBO                 0x20    /* recover buffer order */
  157 #define SMT_REW                 0x10    /* report early warning */
  158         u_int8_t gap_size;
  159         u_int8_t byte10;
  160 #define SMT_EODDEFINED          0xe0    /* EOD defined */
  161 #define SMT_EEG                 0x10    /* enable EOD generation */
  162 #define SMT_SEW                 0x80    /* synchronize at early warning */
  163         u_int8_t ew_bufsize[3];
  164         u_int8_t sel_comp_alg;
  165 #define SMT_COMP_NONE           0x00
  166 #define SMT_COMP_DEFAULT        0x01
  167         u_int8_t reserved;
  168 };
  169 
  170 /* defines for the device specific byte in the mode select/sense header */
  171 #define SMH_DSP_SPEED           0x0F
  172 #define SMH_DSP_BUFF_MODE       0x70
  173 #define SMH_DSP_BUFF_MODE_OFF   0x00
  174 #define SMH_DSP_BUFF_MODE_ON    0x10
  175 #define SMH_DSP_BUFF_MODE_MLTI  0x20
  176 
  177 /**********************************************************************
  178                         from the scsi2 spec
  179                 Value Tracks Density(bpi) Code Type  Reference     Note
  180                 0x1     9       800       NRZI  R    X3.22-1983    2
  181                 0x2     9      1600       PE    R    X3.39-1986    2
  182                 0x3     9      6250       GCR   R    X3.54-1986    2
  183                 0x5    4/9     8000       GCR   C    X3.136-1986   1
  184                 0x6     9      3200       PE    R    X3.157-1987   2
  185                 0x7     4      6400       IMFM  C    X3.116-1986   1
  186                 0x8     4      8000       GCR   CS   X3.158-1986   1
  187                 0x9    18     37871       GCR   C    X3B5/87-099   2
  188                 0xA    22      6667       MFM   C    X3B5/86-199   1
  189                 0xB     4      1600       PE    C    X3.56-1986    1
  190                 0xC    24     12690       GCR   C    HI-TC1        1,5
  191                 0xD    24     25380       GCR   C    HI-TC2        1,5
  192                 0xF    15     10000       GCR   C    QIC-120       1,5
  193                 0x10   18     10000       GCR   C    QIC-150       1,5
  194                 0x11   26     16000       GCR   C    QIC-320(525?) 1,5
  195                 0x12   30     51667       RLL   C    QIC-1350      1,5
  196                 0x13    1     61000       DDS   CS    X3B5/88-185A 4
  197                 0x14    1     43245       RLL   CS    X3.202-1991  4
  198                 0x15    1     45434       RLL   CS    ECMA TC17    4
  199                 0x16   48     10000       MFM   C     X3.193-1990  1
  200                 0x17   48     42500       MFM   C     X3B5/91-174  1
  201                 0x45   73     67733       RLL   C     QIC3095
  202 
  203                 where Code means:
  204                 NRZI Non Return to Zero, change on ones
  205                 GCR  Group Code Recording
  206                 PE   Phase Encoded
  207                 IMFM Inverted Modified Frequency Modulation
  208                 MFM  Modified Frequency Modulation
  209                 DDS  Dat Data Storage
  210                 RLL  Run Length Encoding
  211 
  212                 where Type means:
  213                 R    Reel-to-Reel
  214                 C    Cartridge
  215                 CS   cassette
  216 
  217                 where Notes means:
  218                 1    Serial Recorded
  219                 2    Parallel Recorded
  220                 3    Old format know as QIC-11
  221                 4    Helical Scan
  222                 5    Not ANSI standard, rather industry standard.
  223 ********************************************************************/
  224 
  225 #define HALFINCH_800    0x01
  226 #define HALFINCH_1600   0x02
  227 #define HALFINCH_6250   0x03
  228 #define QIC_11          0x04    /* from Archive 150S Theory of Op. XXX  */
  229 #define QIC_24          0x05    /* may be bad, works for CIPHER ST150S XXX */
  230 #define QIC_120         0x0f
  231 #define QIC_150         0x10
  232 #define QIC_320         0x11
  233 #define QIC_525         0x11
  234 #define QIC_1320        0x12
  235 #define DDS             0x13
  236 #define DAT_1           0x13
  237 #define QIC_3080        0x29
  238 #define QIC_3095        0x45
  239 
  240 #endif /* _SCSI_SCSI_TAPE_H */

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FreeBSD/Linux Kernel Cross Reference sys/scsi/scsi_tape.h

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sys/scsi/scsi_tape.h