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      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 */
    227