1 #ifndef _LINUX_SCSI_H 2 #define _LINUX_SCSI_H 3 4 /* 5 * This header file contains public constants and structures used by 6 * the scsi code for linux. 7 */ 8 9 /* 10 $Header: /usr/src/linux/include/linux/RCS/scsi.h,v 1.3 1993/09/24 12:20:33 drew Exp $ 11 12 For documentation on the OPCODES, MESSAGES, and SENSE values, 13 please consult the SCSI standard. 14 15 */ 16 17 /* 18 * SCSI opcodes 19 */ 20 21 #define TEST_UNIT_READY 0x00 22 #define REZERO_UNIT 0x01 23 #define REQUEST_SENSE 0x03 24 #define FORMAT_UNIT 0x04 25 #define READ_BLOCK_LIMITS 0x05 26 #define REASSIGN_BLOCKS 0x07 27 #define READ_6 0x08 28 #define WRITE_6 0x0a 29 #define SEEK_6 0x0b 30 #define READ_REVERSE 0x0f 31 #define WRITE_FILEMARKS 0x10 32 #define SPACE 0x11 33 #define INQUIRY 0x12 34 #define RECOVER_BUFFERED_DATA 0x14 35 #define MODE_SELECT 0x15 36 #define RESERVE 0x16 37 #define RELEASE 0x17 38 #define COPY 0x18 39 #define ERASE 0x19 40 #define MODE_SENSE 0x1a 41 #define START_STOP 0x1b 42 #define RECEIVE_DIAGNOSTIC 0x1c 43 #define SEND_DIAGNOSTIC 0x1d 44 #define ALLOW_MEDIUM_REMOVAL 0x1e 45 46 #define SET_WINDOW 0x24 47 #define READ_CAPACITY 0x25 48 #define READ_10 0x28 49 #define WRITE_10 0x2a 50 #define SEEK_10 0x2b 51 #define WRITE_VERIFY 0x2e 52 #define VERIFY 0x2f 53 #define SEARCH_HIGH 0x30 54 #define SEARCH_EQUAL 0x31 55 #define SEARCH_LOW 0x32 56 #define SET_LIMITS 0x33 57 #define PRE_FETCH 0x34 58 #define READ_POSITION 0x34 59 #define SYNCHRONIZE_CACHE 0x35 60 #define LOCK_UNLOCK_CACHE 0x36 61 #define READ_DEFECT_DATA 0x37 62 #define MEDIUM_SCAN 0x38 63 #define COMPARE 0x39 64 #define COPY_VERIFY 0x3a 65 #define WRITE_BUFFER 0x3b 66 #define READ_BUFFER 0x3c 67 #define UPDATE_BLOCK 0x3d 68 #define READ_LONG 0x3e 69 #define WRITE_LONG 0x3f 70 #define CHANGE_DEFINITION 0x40 71 #define WRITE_SAME 0x41 72 #define READ_TOC 0x43 73 #define LOG_SELECT 0x4c 74 #define LOG_SENSE 0x4d 75 #define MODE_SELECT_10 0x55 76 #define RESERVE_10 0x56 77 #define RELEASE_10 0x57 78 #define MODE_SENSE_10 0x5a 79 #define PERSISTENT_RESERVE_IN 0x5e 80 #define PERSISTENT_RESERVE_OUT 0x5f 81 #define REPORT_LUNS 0xa0 82 #define MOVE_MEDIUM 0xa5 83 #define READ_12 0xa8 84 #define WRITE_12 0xaa 85 #define WRITE_VERIFY_12 0xae 86 #define SEARCH_HIGH_12 0xb0 87 #define SEARCH_EQUAL_12 0xb1 88 #define SEARCH_LOW_12 0xb2 89 #define READ_ELEMENT_STATUS 0xb8 90 #define SEND_VOLUME_TAG 0xb6 91 #define WRITE_LONG_2 0xea 92 #define READ_16 0x88 93 #define WRITE_16 0x8a 94 #define VERIFY_16 0x8f 95 #define SERVICE_ACTION_IN 0x9e 96 /* values for service action in */ 97 #define SAI_READ_CAPACITY_16 0x10 98 99 /* Values for T10/04-262r7 */ 100 #define ATA_16 0x85 /* 16-byte pass-thru */ 101 #define ATA_12 0xa1 /* 12-byte pass-thru */ 102 103 #define SCSI_RETRY_10(c) ((c) == READ_6 || (c) == WRITE_6 || (c) == SEEK_6) 104 105 /* 106 * SCSI Architecture Model (SAM) Status codes. Taken from SAM-3 draft 107 * T10/1561-D Revision 4 Draft dated 7th November 2002. 108 */ 109 #define SAM_STAT_GOOD 0x00 110 #define SAM_STAT_CHECK_CONDITION 0x02 111 #define SAM_STAT_CONDITION_MET 0x04 112 #define SAM_STAT_BUSY 0x08 113 #define SAM_STAT_INTERMEDIATE 0x10 114 #define SAM_STAT_INTERMEDIATE_CONDITION_MET 0x14 115 #define SAM_STAT_RESERVATION_CONFLICT 0x18 116 #define SAM_STAT_COMMAND_TERMINATED 0x22 /* obsolete in SAM-3 */ 117 #define SAM_STAT_TASK_SET_FULL 0x28 118 #define SAM_STAT_ACA_ACTIVE 0x30 119 #define SAM_STAT_TASK_ABORTED 0x40 120 121 /* 122 * Status codes 123 */ 124 125 #define GOOD 0x00 126 #define CHECK_CONDITION 0x01 127 #define CONDITION_GOOD 0x02 128 #define BUSY 0x04 129 #define INTERMEDIATE_GOOD 0x08 130 #define INTERMEDIATE_C_GOOD 0x0a 131 #define RESERVATION_CONFLICT 0x0c 132 #define COMMAND_TERMINATED 0x11 133 #define QUEUE_FULL 0x14 134 135 #define STATUS_MASK 0x3e 136 137 /* 138 * SENSE KEYS 139 */ 140 141 #define NO_SENSE 0x00 142 #define RECOVERED_ERROR 0x01 143 #define NOT_READY 0x02 144 #define MEDIUM_ERROR 0x03 145 #define HARDWARE_ERROR 0x04 146 #define ILLEGAL_REQUEST 0x05 147 #define UNIT_ATTENTION 0x06 148 #define DATA_PROTECT 0x07 149 #define BLANK_CHECK 0x08 150 #define COPY_ABORTED 0x0a 151 #define ABORTED_COMMAND 0x0b 152 #define VOLUME_OVERFLOW 0x0d 153 #define MISCOMPARE 0x0e 154 155 156 /* 157 * DEVICE TYPES 158 */ 159 160 #define TYPE_DISK 0x00 161 #define TYPE_TAPE 0x01 162 #define TYPE_PRINTER 0x02 163 #define TYPE_PROCESSOR 0x03 /* HP scanners use this */ 164 #define TYPE_WORM 0x04 /* Treated as ROM by our system */ 165 #define TYPE_ROM 0x05 166 #define TYPE_SCANNER 0x06 167 #define TYPE_MOD 0x07 /* Magneto-optical disk - 168 * - treated as TYPE_DISK */ 169 #define TYPE_MEDIUM_CHANGER 0x08 170 #define TYPE_COMM 0x09 /* Communications device */ 171 #define TYPE_ENCLOSURE 0x0d /* Enclosure Services Device */ 172 #define TYPE_NO_LUN 0x7f 173 174 /* 175 * standard mode-select header prepended to all mode-select commands 176 * 177 * moved here from cdrom.h -- kraxel 178 */ 179 180 struct ccs_modesel_head 181 { 182 u_char _r1; /* reserved */ 183 u_char medium; /* device-specific medium type */ 184 u_char _r2; /* reserved */ 185 u_char block_desc_length; /* block descriptor length */ 186 u_char density; /* device-specific density code */ 187 u_char number_blocks_hi; /* number of blocks in this block desc */ 188 u_char number_blocks_med; 189 u_char number_blocks_lo; 190 u_char _r3; 191 u_char block_length_hi; /* block length for blocks in this desc */ 192 u_char block_length_med; 193 u_char block_length_lo; 194 }; 195 196 /* 197 * MESSAGE CODES 198 */ 199 200 #define COMMAND_COMPLETE 0x00 201 #define EXTENDED_MESSAGE 0x01 202 #define EXTENDED_MODIFY_DATA_POINTER 0x00 203 #define EXTENDED_SDTR 0x01 204 #define EXTENDED_EXTENDED_IDENTIFY 0x02 /* SCSI-I only */ 205 #define EXTENDED_WDTR 0x03 206 #define SAVE_POINTERS 0x02 207 #define RESTORE_POINTERS 0x03 208 #define DISCONNECT 0x04 209 #define INITIATOR_ERROR 0x05 210 #define ABORT 0x06 211 #define MESSAGE_REJECT 0x07 212 #define NOP 0x08 213 #define MSG_PARITY_ERROR 0x09 214 #define LINKED_CMD_COMPLETE 0x0a 215 #define LINKED_FLG_CMD_COMPLETE 0x0b 216 #define BUS_DEVICE_RESET 0x0c 217 218 #define INITIATE_RECOVERY 0x0f /* SCSI-II only */ 219 #define RELEASE_RECOVERY 0x10 /* SCSI-II only */ 220 221 #define SIMPLE_QUEUE_TAG 0x20 222 #define HEAD_OF_QUEUE_TAG 0x21 223 #define ORDERED_QUEUE_TAG 0x22 224 225 /* 226 * Here are some scsi specific ioctl commands which are sometimes useful. 227 */ 228 /* These are a few other constants only used by scsi devices */ 229 /* Note that include/linux/cdrom.h also defines IOCTL 0x5300 - 0x5395 */ 230 231 #define SCSI_IOCTL_GET_IDLUN 0x5382 /* conflicts with CDROMAUDIOBUFSIZ */ 232 233 /* Used to turn on and off tagged queuing for scsi devices */ 234 235 #define SCSI_IOCTL_TAGGED_ENABLE 0x5383 236 #define SCSI_IOCTL_TAGGED_DISABLE 0x5384 237 238 /* Used to obtain the host number of a device. */ 239 #define SCSI_IOCTL_PROBE_HOST 0x5385 240 241 /* Used to get the bus number for a device */ 242 #define SCSI_IOCTL_GET_BUS_NUMBER 0x5386 243 244 /* Used to get the PCI location of a device */ 245 #define SCSI_IOCTL_GET_PCI 0x5387 246 247 /* 248 * Overrides for Emacs so that we follow Linus's tabbing style. 249 * Emacs will notice this stuff at the end of the file and automatically 250 * adjust the settings for this buffer only. This must remain at the end 251 * of the file. 252 * --------------------------------------------------------------------------- 253 * Local variables: 254 * c-indent-level: 4 255 * c-brace-imaginary-offset: 0 256 * c-brace-offset: -4 257 * c-argdecl-indent: 4 258 * c-label-offset: -4 259 * c-continued-statement-offset: 4 260 * c-continued-brace-offset: 0 261 * indent-tabs-mode: nil 262 * tab-width: 8 263 * End: 264 */ 265 266 #endif 267