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