sysdeps/unix/sysv/linux/scsi/scsi.h

   1 /* Copyright (C) 1998, 1999 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3
   4    The GNU C Library is free software; you can redistribute it and/or
   5    modify it under the terms of the GNU Lesser General Public
   6    License as published by the Free Software Foundation; either
   7    version 2.1 of the License, or (at your option) any later version.
   8
   9    The GNU C Library is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12    Lesser General Public License for more details.
  13
  14    You should have received a copy of the GNU Lesser General Public
  15    License along with the GNU C Library; if not, write to the Free
  16    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  17    02111-1307 USA.  */
  18
  19 /*
  20  * This header file contains public constants and structures used by
  21  * the scsi code for linux.
  22  */
  23
  24 #ifndef _SCSI_SCSI_H
  25 #define _SCSI_SCSI_H    1
  26
  27 #include <features.h>
  28
  29 /*
  30  *      SCSI opcodes
  31  */
  32
  33 #define TEST_UNIT_READY       0x00
  34 #define REZERO_UNIT           0x01
  35 #define REQUEST_SENSE         0x03
  36 #define FORMAT_UNIT           0x04
  37 #define READ_BLOCK_LIMITS     0x05
  38 #define REASSIGN_BLOCKS       0x07
  39 #define READ_6                0x08
  40 #define WRITE_6               0x0a
  41 #define SEEK_6                0x0b
  42 #define READ_REVERSE          0x0f
  43 #define WRITE_FILEMARKS       0x10
  44 #define SPACE                 0x11
  45 #define INQUIRY               0x12
  46 #define RECOVER_BUFFERED_DATA 0x14
  47 #define MODE_SELECT           0x15
  48 #define RESERVE               0x16
  49 #define RELEASE               0x17
  50 #define COPY                  0x18
  51 #define ERASE                 0x19
  52 #define MODE_SENSE            0x1a
  53 #define START_STOP            0x1b
  54 #define RECEIVE_DIAGNOSTIC    0x1c
  55 #define SEND_DIAGNOSTIC       0x1d
  56 #define ALLOW_MEDIUM_REMOVAL  0x1e
  57
  58 #define SET_WINDOW            0x24
  59 #define READ_CAPACITY         0x25
  60 #define READ_10               0x28
  61 #define WRITE_10              0x2a
  62 #define SEEK_10               0x2b
  63 #define WRITE_VERIFY          0x2e
  64 #define VERIFY                0x2f
  65 #define SEARCH_HIGH           0x30
  66 #define SEARCH_EQUAL          0x31
  67 #define SEARCH_LOW            0x32
  68 #define SET_LIMITS            0x33
  69 #define PRE_FETCH             0x34
  70 #define READ_POSITION         0x34
  71 #define SYNCHRONIZE_CACHE     0x35
  72 #define LOCK_UNLOCK_CACHE     0x36
  73 #define READ_DEFECT_DATA      0x37
  74 #define MEDIUM_SCAN           0x38
  75 #define COMPARE               0x39
  76 #define COPY_VERIFY           0x3a
  77 #define WRITE_BUFFER          0x3b
  78 #define READ_BUFFER           0x3c
  79 #define UPDATE_BLOCK          0x3d
  80 #define READ_LONG             0x3e
  81 #define WRITE_LONG            0x3f
  82 #define CHANGE_DEFINITION     0x40
  83 #define WRITE_SAME            0x41
  84 #define READ_TOC              0x43
  85 #define LOG_SELECT            0x4c
  86 #define LOG_SENSE             0x4d
  87 #define MODE_SELECT_10        0x55
  88 #define RESERVE_10            0x56
  89 #define RELEASE_10            0x57
  90 #define MODE_SENSE_10         0x5a
  91 #define PERSISTENT_RESERVE_IN 0x5e
  92 #define PERSISTENT_RESERVE_OUT 0x5f
  93 #define MOVE_MEDIUM           0xa5
  94 #define READ_12               0xa8
  95 #define WRITE_12              0xaa
  96 #define WRITE_VERIFY_12       0xae
  97 #define SEARCH_HIGH_12        0xb0
  98 #define SEARCH_EQUAL_12       0xb1
  99 #define SEARCH_LOW_12         0xb2
 100 #define READ_ELEMENT_STATUS   0xb8
 101 #define SEND_VOLUME_TAG       0xb6
 102 #define WRITE_LONG_2          0xea
 103
 104 /*
 105  *  Status codes
 106  */
 107
 108 #define GOOD                 0x00
 109 #define CHECK_CONDITION      0x01
 110 #define CONDITION_GOOD       0x02
 111 #define BUSY                 0x04
 112 #define INTERMEDIATE_GOOD    0x08
 113 #define INTERMEDIATE_C_GOOD  0x0a
 114 #define RESERVATION_CONFLICT 0x0c
 115 #define COMMAND_TERMINATED   0x11
 116 #define QUEUE_FULL           0x14
 117
 118 #define STATUS_MASK          0x3e
 119
 120 /*
 121  *  SENSE KEYS
 122  */
 123
 124 #define NO_SENSE            0x00
 125 #define RECOVERED_ERROR     0x01
 126 #define NOT_READY           0x02
 127 #define MEDIUM_ERROR        0x03
 128 #define HARDWARE_ERROR      0x04
 129 #define ILLEGAL_REQUEST     0x05
 130 #define UNIT_ATTENTION      0x06
 131 #define DATA_PROTECT        0x07
 132 #define BLANK_CHECK         0x08
 133 #define COPY_ABORTED        0x0a
 134 #define ABORTED_COMMAND     0x0b
 135 #define VOLUME_OVERFLOW     0x0d
 136 #define MISCOMPARE          0x0e
 137
 138
 139 /*
 140  *  DEVICE TYPES
 141  */
 142
 143 #define TYPE_DISK           0x00
 144 #define TYPE_TAPE           0x01
 145 #define TYPE_PROCESSOR      0x03    /* HP scanners use this */
 146 #define TYPE_WORM           0x04    /* Treated as ROM by our system */
 147 #define TYPE_ROM            0x05
 148 #define TYPE_SCANNER        0x06
 149 #define TYPE_MOD            0x07    /* Magneto-optical disk -
 150                                      * - treated as TYPE_DISK */
 151 #define TYPE_MEDIUM_CHANGER 0x08
 152 #define TYPE_ENCLOSURE      0x0d    /* Enclosure Services Device */
 153 #define TYPE_NO_LUN         0x7f
 154
 155 /*
 156  * standard mode-select header prepended to all mode-select commands
 157  *
 158  * moved here from cdrom.h -- kraxel
 159  */
 160
 161 struct ccs_modesel_head
 162   {
 163     unsigned char _r1;                  /* reserved.  */
 164     unsigned char medium;               /* device-specific medium type.  */
 165     unsigned char _r2;                  /* reserved.  */
 166     unsigned char block_desc_length;    /* block descriptor length.  */
 167     unsigned char density;              /* device-specific density code.  */
 168     unsigned char number_blocks_hi;     /* number of blocks in this block
 169                                            desc.  */
 170     unsigned char number_blocks_med;
 171     unsigned char number_blocks_lo;
 172     unsigned char _r3;
 173     unsigned char block_length_hi;      /* block length for blocks in this
 174                                            desc.  */
 175     unsigned char block_length_med;
 176     unsigned char block_length_lo;
 177   };
 178
 179 /*
 180  *  MESSAGE CODES
 181  */
 182
 183 #define COMMAND_COMPLETE    0x00
 184 #define EXTENDED_MESSAGE    0x01
 185 #define     EXTENDED_MODIFY_DATA_POINTER    0x00
 186 #define     EXTENDED_SDTR                   0x01
 187 #define     EXTENDED_EXTENDED_IDENTIFY      0x02    /* SCSI-I only */
 188 #define     EXTENDED_WDTR                   0x03
 189 #define SAVE_POINTERS       0x02
 190 #define RESTORE_POINTERS    0x03
 191 #define DISCONNECT          0x04
 192 #define INITIATOR_ERROR     0x05
 193 #define ABORT               0x06
 194 #define MESSAGE_REJECT      0x07
 195 #define NOP                 0x08
 196 #define MSG_PARITY_ERROR    0x09
 197 #define LINKED_CMD_COMPLETE 0x0a
 198 #define LINKED_FLG_CMD_COMPLETE 0x0b
 199 #define BUS_DEVICE_RESET    0x0c
 200
 201 #define INITIATE_RECOVERY   0x0f            /* SCSI-II only */
 202 #define RELEASE_RECOVERY    0x10            /* SCSI-II only */
 203
 204 #define SIMPLE_QUEUE_TAG    0x20
 205 #define HEAD_OF_QUEUE_TAG   0x21
 206 #define ORDERED_QUEUE_TAG   0x22
 207
 208 /*
 209  * Here are some scsi specific ioctl commands which are sometimes useful.
 210  */
 211 /* These are a few other constants only used by scsi devices.  */
 212
 213 #define SCSI_IOCTL_GET_IDLUN 0x5382
 214
 215 /* Used to turn on and off tagged queuing for scsi devices.  */
 216
 217 #define SCSI_IOCTL_TAGGED_ENABLE 0x5383
 218 #define SCSI_IOCTL_TAGGED_DISABLE 0x5384
 219
 220 /* Used to obtain the host number of a device.  */
 221 #define SCSI_IOCTL_PROBE_HOST 0x5385
 222
 223 /* Used to get the bus number for a device.  */
 224 #define SCSI_IOCTL_GET_BUS_NUMBER 0x5386
 225
 226 #endif /* scsi/scsi.h */