1 /* $NetBSD: scsi_spc.h,v 1.5 2010/02/06 23:13:59 cegger Exp $ */ 2 3 /*- 4 * Copyright (c) 2005 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Jason R. Thorpe. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 /* 33 * SCSI Primary Commands (SPC) -- 34 * Commands for all device types 35 */ 36 37 /* 38 * Largely written by Julian Elischer (julian@tfs.com) 39 * for TRW Financial Systems. 40 * 41 * TRW Financial Systems, in accordance with their agreement with Carnegie 42 * Mellon University, makes this software available to CMU to distribute 43 * or use in any manner that they see fit as long as this message is kept with 44 * the software. For this reason TFS also grants any other persons or 45 * organisations permission to use or modify this software. 46 * 47 * TFS supplies this software to be publicly redistributed 48 * on the understanding that TFS is not responsible for the correct 49 * functioning of this software in any circumstances. 50 * 51 * Ported to run under 386BSD by Julian Elischer (julian@tfs.com) Sept 1992 52 */ 53 54 #ifndef _DEV_SCSIPI_SCSI_SPC_H_ 55 #define _DEV_SCSIPI_SCSI_SPC_H_ 56 57 /* 58 * EXTENDED COPY 59 */ 60 61 /* 62 * INQUIRY 63 */ 64 65 /* 66 * LOG SELECT 67 */ 68 69 /* 70 * LOG SENSE 71 */ 72 73 /* 74 * MODE SELECT 75 */ 76 77 #define SCSI_MODE_SELECT_6 0x15 78 struct scsi_mode_select_6 { 79 uint8_t opcode; 80 uint8_t byte2; 81 #define SMS_SP 0x01 /* save page */ 82 #define SMS_PF 0x10 /* page format (0 = SCSI-1, 1 = SCSI-2) */ 83 uint8_t reserved[2]; 84 uint8_t length; 85 uint8_t control; 86 }; 87 88 #define SCSI_MODE_SELECT_10 0x55 89 struct scsi_mode_select_10 { 90 uint8_t opcode; 91 uint8_t byte2; /* see MODE SELECT (6) */ 92 uint8_t reserved[5]; 93 uint8_t length[2]; 94 uint8_t control; 95 }; 96 97 /* 98 * MODE SENSE 99 */ 100 101 #define SCSI_MODE_SENSE_6 0x1a 102 struct scsi_mode_sense_6 { 103 uint8_t opcode; 104 uint8_t byte2; 105 #define SMS_DBD 0x08 /* disable block descriptors */ 106 uint8_t page; 107 #define SMS_PAGE_MASK 0x3f 108 #define SMS_PCTRL_MASK 0xc0 109 #define SMS_PCTRL_CURRENT 0x00 110 #define SMS_PCTRL_CHANGEABLE 0x40 111 #define SMS_PCTRL_DEFAULT 0x80 112 #define SMS_PCTRL_SAVED 0xc0 113 uint8_t reserved; 114 uint8_t length; 115 uint8_t control; 116 }; 117 118 #define SCSI_MODE_SENSE_10 0x5a 119 struct scsi_mode_sense_10 { 120 uint8_t opcode; 121 uint8_t byte2; /* see MODE SENSE (6) */ 122 #define SMS_LLBAA 0x10 123 uint8_t page; /* See MODE SENSE (6) */ 124 uint8_t reserved[4]; 125 uint8_t length[2]; 126 uint8_t control; 127 }; 128 129 /* 130 * Page code usage: 131 * 0x00 Vendor-specific (does not require page format) 132 * 0x01 - 0x1f Device-type-specific pages 133 * 0x20 - 0x3e Vendor-specific (page format required) 134 * 0x3f Return all mode pages 135 */ 136 #define SMS_PAGE_ALL_PAGES 0x3f 137 138 /* 139 * Mode parameters are returned in the following format: 140 * 141 * Mode parameter header 142 * Block descriptor(s) [zero or more] 143 * Page(s) [zero or more, variable-length] 144 */ 145 146 struct scsi_mode_parameter_header_6 { 147 uint8_t data_length; 148 uint8_t medium_type; 149 uint8_t dev_spec; 150 uint8_t blk_desc_len; /* unused on ATAPI */ 151 }; 152 153 struct scsi_mode_parameter_header_10 { 154 uint8_t data_length[2]; 155 uint8_t medium_type; 156 uint8_t dev_spec; 157 uint8_t byte5; 158 #define SMPH_LONGLBA 0x01 159 uint8_t reserved; 160 uint8_t blk_desc_len[2]; 161 }; 162 163 struct scsi_general_block_descriptor { 164 uint8_t density; 165 uint8_t nblocks[3]; 166 uint8_t reserved; 167 uint8_t blklen[3]; 168 }; 169 170 struct scsi_da_block_descriptor { 171 uint8_t nblocks[4]; 172 uint8_t density; 173 uint8_t blklen[3]; 174 }; 175 176 struct scsi_longlba_block_descriptor { 177 uint8_t nblocks[8]; 178 uint8_t density; 179 uint8_t reserved[3]; 180 uint8_t blklen[4]; 181 }; 182 183 /* 184 * Header common to all mode parameter pages. 185 */ 186 struct scsi_mode_page_header { 187 uint8_t pg_code; 188 #define PGCODE_MASK 0x3f /* page code mask */ 189 #define PGCODE_PS 0x80 /* page is saveable */ 190 uint8_t pg_length; /* page length (not including header) */ 191 }; 192 193 /* 194 * Control mode page 195 */ 196 #define SCSI_CONTROL_MODE_PAGE 0x0a 197 struct scsi_control_mode_page { 198 uint8_t pg_code; /* 0x0a */ 199 uint8_t pg_length; /* 0x0a */ 200 uint8_t byte3; 201 #define SCMP_RLEC 0x01 /* report log exception condition */ 202 #define SCMP_GLTSD 0x02 /* global logging target save disable */ 203 #define SCMP_TST_mask 0x7 /* task set type */ 204 #define SCMP_TST_shift 5 205 #define SCMP_TST_ALL_INIT 0 /* per LU for all initiators */ 206 #define SCMP_TST_PER_INIT 1 /* per initiator per LU */ 207 uint8_t queue_params; 208 #define SCMP_DQue 0x01 /* disable queueing */ 209 #define SCMP_QErr_mask 0x3 /* queue error management */ 210 #define SCMP_QErr_shift 1 211 #define SCMP_QAM_mask 0xf /* queue algorithm modifier */ 212 #define SCMP_QAM_shift 4 213 #define SCMP_QAM_RESTRICTED 0x0 /* restricted reordering allowed */ 214 #define SCMP_QAM_UNRESTRICTED 0x1 /* unrestricted reordering allowed */ 215 /* 0x2 - 0x7 Reserved */ 216 /* 0x8 - 0xf Vendor-specific */ 217 uint8_t byte5; 218 #define SCMP_EAERP 0x01 219 #define SCMP_UAAERP 0x02 220 #define SCMP_RAERP 0x04 221 #define SCMP_SWP 0x08 222 #define SCMP_RAC 0x40 223 #define SCMP_TAS 0x80 224 uint8_t byte6; 225 #define SCMP_AM_mask 0x7 /* autload mode */ 226 #define SCMP_AM_FULL 0 227 #define SCMP_AM_AUXMEM 1 228 #define SCMP_AM_NOLOAD 2 229 uint8_t rahp[2]; /* ready aer holdoff period */ 230 uint8_t btp[2]; /* busy timeout period */ 231 uint8_t estct[2]; /* extended self-test completion time */ 232 }; 233 234 /* 235 * Disconnect-reconnect page 236 */ 237 #define SCSI_DISCONNECT_RECONNECT_PAGE 0x02 238 struct scsi_disconnect_reconnect_page { 239 uint8_t pg_code; /* 0x02 */ 240 uint8_t pg_length; /* 0x0e */ 241 uint8_t buffer_full_ratio; 242 uint8_t buffer_empty_ratio; 243 uint8_t bus_inactivity_limit[2]; 244 uint8_t disconnect_time_limit[2]; 245 uint8_t connect_time_limit[2]; 246 uint8_t maximum_burst_size[2]; 247 uint8_t flags; 248 #define SDRP_DTDC_mask 0x7 /* data transfer disconnect control */ 249 #define SDRP_DImm 0x08 250 #define SDRP_FA_mask 0x7 251 #define SDRP_FA_shift 4 252 #define SDRP_EMDP 0x80 253 uint8_t reserved; 254 uint8_t first_burst_size[2]; 255 }; 256 257 /* 258 * Informational exceptions control page 259 */ 260 #define SCSI_INFORMATIONAL_EXCEPTIONS_CONTROL_PAGE 0x1c 261 struct scsi_informational_exceptions_control_page { 262 uint8_t pg_code; /* 0x1c */ 263 uint8_t pg_length; /* 0x0a */ 264 uint8_t byte3; 265 #define SIECP_LogErr 0x01 266 #define SIECP_TEST 0x04 267 #define SIECP_DExcpt 0x08 268 #define SIECP_EWasc 0x10 269 #define SIECP_EBF 0x20 270 #define SIECP_PERF 0x80 271 uint8_t byte4; 272 #define SIECP_MRIE_mask 0xf /* method of reporting 273 informational exceptions */ 274 #define SIECP_MRIE_NO_REPORTING 0x00 275 #define SIECP_MRIE_ASYNC_EVENT 0x01 276 #define SIECP_MRIE_UNIT_ATN 0x02 277 #define SIECP_MRIE_COND_RECOV_ERR 0x03 278 #define SIECP_MRIE_UNCOND_RECOV_ERR 0x04 279 #define SIECP_MRIE_NO_SENSE 0x05 280 #define SIECP_MRIE_ON_REQUEST 0x06 281 /* 0x07 - 0x0b reserved */ 282 /* 0x0c - 0x0f Vendor-specific */ 283 uint8_t interval_timer[2]; 284 uint8_t report_count[2]; 285 }; 286 287 /* 288 * Power condition page 289 */ 290 #define SCSI_POWER_CONDITION_PAGE 0x1a 291 struct scsi_power_condition_page { 292 uint8_t pg_code; /* 0x1a */ 293 uint8_t pg_length; /* 0x0a */ 294 uint8_t reserved; 295 uint8_t byte4; 296 #define SPCP_STANDBY 0x01 297 #define SPCP_IDLE 0x02 298 uint8_t idle_timer[2]; /* 100ms increments */ 299 uint8_t standby_timer[2]; /* 100ms increments */ 300 }; 301 302 /* 303 * Protocol specific LUN page 304 */ 305 #define SCSI_PROTOCOL_SPECIFIC_LUN_PAGE 0x18 306 struct scsi_protocol_specific_lun_page { 307 uint8_t pg_code; /* 0x18 */ 308 uint8_t pg_length; /* variable */ 309 uint8_t byte3; 310 #define SPSLP_PROTOCOL_mask 0xf 311 #define SPSLP_PROTOCOL_FCP 0x00 /* Fibre Channel */ 312 #define SPSLP_PROTOCOL_SPI 0x01 /* parallel SCSI */ 313 #define SPSLP_PROTOCOL_SSA 0x02 /* SSA-S2P or SSA-S3P */ 314 #define SPSLP_PROTOCOL_SBP2 0x03 /* IEEE 1394 */ 315 #define SPSLP_PROTOCOL_SRP 0x04 /* SCSI RDMA */ 316 #define SPSLP_PROTOCOL_ISCSI 0x05 /* iSCSI */ 317 /* protocol specific mode parameters follow */ 318 }; 319 320 /* 321 * Protocol specific port page 322 */ 323 #define SCSI_PROTOCOL_SPECIFIC_PORT_PAGE 0x19 324 struct scsi_protocol_specific_port_page { 325 uint8_t pg_code; /* 0x18 */ 326 uint8_t pg_length; /* variable */ 327 uint8_t byte3; /* see SCSI PROTOCOL SPECIFIC LUN PAGE */ 328 /* protocol specific mode parameters follow */ 329 }; 330 331 /* 332 * PERSISTENT RESERVE IN 333 */ 334 335 /* 336 * PERSISTENT RESERVE OUT 337 */ 338 339 /* 340 * PREVENT ALLOW MEDIUM REMOVAL 341 */ 342 343 #define SCSI_PREVENT_ALLOW_MEDIUM_REMOVAL 0x1e 344 struct scsi_prevent_allow_medium_removal { 345 uint8_t opcode; 346 uint8_t byte2; 347 uint8_t reserved[2]; 348 uint8_t how; 349 #define SPAMR_ALLOW 0x00 350 #define SPAMR_PREVENT_DT 0x01 351 #define SPAMR_PREVENT_MC 0x02 352 #define SPAMR_PREVENT_ALL 0x03 353 uint8_t control; 354 }; 355 356 /* 357 * READ BUFFER 358 */ 359 360 /* 361 * RECEIVE COPY RESULTS 362 */ 363 364 /* 365 * RECEIVE DIAGNOSTIC RESULTS 366 */ 367 368 /* 369 * RESERVE / RELEASE 370 */ 371 372 #define SCSI_RESERVE_6 0x16 373 #define SCSI_RELEASE_6 0x17 374 struct scsi_reserve_release_6 { 375 uint8_t opcode; 376 uint8_t byte2; 377 uint8_t obsolete; 378 uint8_t reserved[2]; 379 uint8_t control; 380 }; 381 382 #define SCSI_RESERVE_10 0x56 383 #define SCSI_RELEASE_10 0x57 384 struct scsi_reserve_release_10 { 385 uint8_t opcode; 386 uint8_t byte2; 387 #define SR_LongID 0x02 388 #define SR_3rdPty 0x10 389 uint8_t obsolete; 390 uint8_t thirdpartyid; 391 uint8_t reserved[3]; 392 uint8_t paramlen[2]; 393 uint8_t control; 394 }; 395 396 struct scsi_reserve_release_10_idparam { 397 uint8_t thirdpartyid[8]; 398 }; 399 400 /* 401 * REPORT DEVICE IDENTIFIER 402 */ 403 404 /* 405 * REPORT LUNS 406 */ 407 408 /* 409 * REQUEST SENSE 410 */ 411 412 #define SCSI_REQUEST_SENSE 0x03 413 struct scsi_request_sense { 414 uint8_t opcode; 415 uint8_t byte2; 416 uint8_t reserved[2]; 417 uint8_t length; 418 uint8_t control; 419 }; 420 421 struct scsi_sense_data { 422 /* 1*/ uint8_t response_code; 423 #define SSD_RCODE(x) ((x) & 0x7f) 424 #define SSD_RCODE_CURRENT 0x70 425 #define SSD_RCODE_DEFERRED 0x71 426 #define SSD_RCODE_VALID 0x80 427 /* 2*/ uint8_t segment; /* obsolete */ 428 /* 3*/ uint8_t flags; 429 #define SSD_SENSE_KEY(x) ((x) & 0x0f) 430 #define SSD_ILI 0x20 431 #define SSD_EOM 0x40 432 #define SSD_FILEMARK 0x80 433 /* 7*/ uint8_t info[4]; 434 /* 8*/ uint8_t extra_len; /* Additional sense length */ 435 /*12*/ uint8_t csi[4]; /* Command-specific information */ 436 /*13*/ uint8_t asc; /* Additional sense code */ 437 /*14*/ uint8_t ascq; /* Additional sense code qualifier */ 438 /*15*/ uint8_t fru; /* Field replaceable unit code */ 439 union { 440 uint8_t sks_bytes[3]; 441 442 /* ILLEGAL REQUEST */ 443 struct { 444 uint8_t byte0; 445 #define SSD_SKS_FP_BIT(x) ((x) & 0x7) 446 #define SSD_SKS_FP_BPV 0x08 447 #define SSK_SKS_FP_CD 0x40 /* 1=command, 0=data */ 448 uint8_t val[2]; 449 } field_pointer; 450 451 /* RECOVERED ERROR, HARDWARE ERROR, MEDIUM ERROR */ 452 struct { 453 uint8_t byte0; 454 uint8_t val[2]; 455 } actual_retry_count; 456 457 /* NOT READY, NO SENSE */ 458 struct { 459 uint8_t byte0; 460 uint8_t val[2]; 461 } progress_indication; 462 463 /* COPY ABORTED */ 464 struct { 465 uint8_t byte0; 466 #define SSD_SKS_SP_BIT(x) ((x) & 0x7) 467 #define SSD_SKS_SP_BPV 0x08 468 #define SSD_SKS_SP_SD 0x20 /* 0=param list, 1=segment desc */ 469 uint8_t val[2]; 470 } segment_pointer; 471 /*18*/ } sks; /* Sense-key specific */ 472 #define SSD_SKSV 0x80 /* byte0 of sks field */ 473 /*32*/ uint8_t extra_bytes[14]; /* really variable length */ 474 }; 475 476 /* 477 * Sense bytes described by the extra_len field start at csi[], and can 478 * only continue up to the end of the 32-byte sense structure that we 479 * have defined (which might be too short for some cases). 480 */ 481 #define SSD_ADD_BYTES_LIM(sp) \ 482 ((((int)(sp)->extra_len) < (int)sizeof(struct scsi_sense_data) - 8) ? \ 483 (sp)->extra_len : sizeof(struct scsi_sense_data) - 8) 484 485 #define SKEY_NO_SENSE 0x00 486 #define SKEY_RECOVERED_ERROR 0x01 487 #define SKEY_NOT_READY 0x02 488 #define SKEY_MEDIUM_ERROR 0x03 489 #define SKEY_HARDWARE_ERROR 0x04 490 #define SKEY_ILLEGAL_REQUEST 0x05 491 #define SKEY_UNIT_ATTENTION 0x06 492 #define SKEY_DATA_PROTECT 0x07 493 #define SKEY_BLANK_CHECK 0x08 494 #define SKEY_VENDOR_SPECIFIC 0x09 495 #define SKEY_COPY_ABORTED 0x0a 496 #define SKEY_ABORTED_COMMAND 0x0b 497 #define SKEY_EQUAL 0x0c /* obsolete */ 498 #define SKEY_VOLUME_OVERFLOW 0x0d 499 #define SKEY_MISCOMPARE 0x0e 500 /* 0x0f reserved */ 501 502 /* XXX This is not described in SPC-2. */ 503 struct scsi_sense_data_unextended { 504 uint8_t response_code; 505 uint8_t block[3]; 506 }; 507 508 /* 509 * SEND DIAGNOSTIC 510 */ 511 512 #define SCSI_SEND_DIAGNOSTIC 0x1d 513 struct scsi_send_diagnostic { 514 uint8_t opcode; 515 uint8_t byte2; 516 #define SSD_UnitOffL 0x01 517 #define SSD_DevOffL 0x02 518 #define SSD_SelfTest 0x04 /* standard self-test */ 519 #define SSD_PF 0x10 /* results in page format */ 520 #define SSD_CODE(x) ((x) << 5) 521 /* 522 * Codes: 523 * 524 * 0 This value shall be used when the SelfTest bit is 525 * set to one or if the SEND DIAGNOSTIC command is not 526 * invoking one of the other self-test functions such 527 * as enclosure services or the Translate Address page. 528 * 529 * 1 Background short self-test. Parameter length is 0. 530 * 531 * 2 Background extended self-test. Parameter length is 0. 532 * 533 * 4 Abort background self-test. Parameter length is 0. 534 * 535 * 5 Foreground short self-test. Parameter length is 0. 536 * 537 * 6 Foreground extended self-test. Parameter length is 0. 538 */ 539 uint8_t reserved; 540 uint8_t paramlen[2]; 541 uint8_t control; 542 }; 543 544 /* 545 * SET DEVICE IDENTIFIER 546 */ 547 548 /* 549 * TEST UNIT READY 550 */ 551 552 #define SCSI_TEST_UNIT_READY 0x00 553 struct scsi_test_unit_ready { 554 uint8_t opcode; 555 uint8_t byte2; 556 uint8_t reserved[3]; 557 uint8_t control; 558 }; 559 560 /* 561 * WRITE BUFFER 562 */ 563 564 #endif /* _DEV_SCSIPI_SCSI_SPC_H_ */ 565