Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
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FreeBSD/Linux Kernel Cross Reference
sys/dev/scsipi/scsi_spc.h
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1 /* $NetBSD: scsi_spc.h,v 1.2 2005/02/27 00:27:48 perry 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 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the NetBSD 21 * Foundation, Inc. and its contributors. 22 * 4. Neither the name of The NetBSD Foundation nor the names of its 23 * contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 * POSSIBILITY OF SUCH DAMAGE. 37 */ 38 39 /* 40 * SCSI Primary Commands (SPC) -- 41 * Commands for all device types 42 */ 43 44 /* 45 * Largely written by Julian Elischer (julian@tfs.com) 46 * for TRW Financial Systems. 47 * 48 * TRW Financial Systems, in accordance with their agreement with Carnegie 49 * Mellon University, makes this software available to CMU to distribute 50 * or use in any manner that they see fit as long as this message is kept with 51 * the software. For this reason TFS also grants any other persons or 52 * organisations permission to use or modify this software. 53 * 54 * TFS supplies this software to be publicly redistributed 55 * on the understanding that TFS is not responsible for the correct 56 * functioning of this software in any circumstances. 57 * 58 * Ported to run under 386BSD by Julian Elischer (julian@tfs.com) Sept 1992 59 */ 60 61 #ifndef _DEV_SCSIPI_SCSI_SPC_H_ 62 #define _DEV_SCSIPI_SCSI_SPC_H_ 63 64 /* 65 * EXTENDED COPY 66 */ 67 68 /* 69 * INQUIRY 70 */ 71 72 /* 73 * LOG SELECT 74 */ 75 76 /* 77 * LOG SENSE 78 */ 79 80 /* 81 * MODE SELECT 82 */ 83 84 #define SCSI_MODE_SELECT_6 0x15 85 struct scsi_mode_select_6 { 86 uint8_t opcode; 87 uint8_t byte2; 88 #define SMS_SP 0x01 /* save page */ 89 #define SMS_PF 0x10 /* page format (0 = SCSI-1, 1 = SCSI-2) */ 90 uint8_t reserved[2]; 91 uint8_t length; 92 uint8_t control; 93 }; 94 95 #define SCSI_MODE_SELECT_10 0x55 96 struct scsi_mode_select_10 { 97 uint8_t opcode; 98 uint8_t byte2; /* see MODE SELECT (6) */ 99 uint8_t reserved[5]; 100 uint8_t length[2]; 101 uint8_t control; 102 }; 103 104 /* 105 * MODE SENSE 106 */ 107 108 #define SCSI_MODE_SENSE_6 0x1a 109 struct scsi_mode_sense_6 { 110 uint8_t opcode; 111 uint8_t byte2; 112 #define SMS_DBD 0x08 /* disable block descriptors */ 113 uint8_t page; 114 #define SMS_PAGE_MASK 0x3f 115 #define SMS_PCTRL_MASK 0xc0 116 #define SMS_PCTRL_CURRENT 0x00 117 #define SMS_PCTRL_CHANGEABLE 0x40 118 #define SMS_PCTRL_DEFAULT 0x80 119 #define SMS_PCTRL_SAVED 0xc0 120 uint8_t reserved; 121 uint8_t length; 122 uint8_t control; 123 }; 124 125 #define SCSI_MODE_SENSE_10 0x5a 126 struct scsi_mode_sense_10 { 127 uint8_t opcode; 128 uint8_t byte2; /* see MODE SENSE (6) */ 129 #define SMS_LLBAA 0x10 130 uint8_t page; /* See MODE SENSE (6) */ 131 uint8_t reserved[4]; 132 uint8_t length[2]; 133 uint8_t control; 134 }; 135 136 /* 137 * Page code usage: 138 * 0x00 Vendor-specific (does not require page format) 139 * 0x01 - 0x1f Device-type-specific pages 140 * 0x20 - 0x3e Vendor-specific (page format required) 141 * 0x3f Return all mode pages 142 */ 143 #define SMS_PAGE_ALL_PAGES 0x3f 144 145 /* 146 * Mode parameters are returned in the following format: 147 * 148 * Mode parameter header 149 * Block descriptor(s) [zero or more] 150 * Page(s) [zero or more, variable-length] 151 */ 152 153 struct scsi_mode_parameter_header_6 { 154 uint8_t data_length; 155 uint8_t medium_type; 156 uint8_t dev_spec; 157 uint8_t blk_desc_len; /* unused on ATAPI */ 158 }; 159 160 struct scsi_mode_parameter_header_10 { 161 uint8_t data_length[2]; 162 uint8_t medium_type; 163 uint8_t dev_spec; 164 uint8_t byte5; 165 #define SMPH_LONGLBA 0x01 166 uint8_t reserved; 167 uint8_t blk_desc_len[2]; 168 }; 169 170 struct scsi_general_block_descriptor { 171 uint8_t density; 172 uint8_t nblocks[3]; 173 uint8_t reserved; 174 uint8_t blklen[3]; 175 }; 176 177 struct scsi_da_block_descriptor { 178 uint8_t nblocks[4]; 179 uint8_t density; 180 uint8_t blklen[3]; 181 }; 182 183 struct scsi_longlba_block_descriptor { 184 uint8_t nblocks[8]; 185 uint8_t density; 186 uint8_t reserved[3]; 187 uint8_t blklen[4]; 188 }; 189 190 /* 191 * Header common to all mode parameter pages. 192 */ 193 struct scsi_mode_page_header { 194 uint8_t pg_code; 195 #define PGCODE_MASK 0x3f /* page code mask */ 196 #define PGCODE_PS 0x80 /* page is saveable */ 197 uint8_t pg_length; /* page length (not including header) */ 198 }; 199 200 /* 201 * Control mode page 202 */ 203 #define SCSI_CONTROL_MODE_PAGE 0x0a 204 struct scsi_control_mode_page { 205 uint8_t pg_code; /* 0x0a */ 206 uint8_t pg_length; /* 0x0a */ 207 uint8_t byte3; 208 #define SCMP_RLEC 0x01 /* report log exception condition */ 209 #define SCMP_GLTSD 0x02 /* global logging target save disable */ 210 #define SCMP_TST_mask 0x7 /* task set type */ 211 #define SCMP_TST_shift 5 212 #define SCMP_TST_ALL_INIT 0 /* per LU for all initiators */ 213 #define SCMP_TST_PER_INIT 1 /* per initiator per LU */ 214 uint8_t queue_params; 215 #define SCMP_DQue 0x01 /* disable queueing */ 216 #define SCMP_QErr_mask 0x3 /* queue error management */ 217 #define SCMP_QErr_shift 1 218 #define SCMP_QAM_mask 0xf /* queue algorithm modifier */ 219 #define SCMP_QAM_shift 4 220 #define SCMP_QAM_RESTRICTED 0x0 /* restricted reordering allowed */ 221 #define SCMP_QAM_UNRESTRICTED 0x1 /* unrestricted reordering allowed */ 222 /* 0x2 - 0x7 Reserved */ 223 /* 0x8 - 0xf Vendor-specific */ 224 uint8_t byte5; 225 #define SCMP_EAERP 0x01 226 #define SCMP_UAAERP 0x02 227 #define SCMP_RAERP 0x04 228 #define SCMP_SWP 0x08 229 #define SCMP_RAC 0x40 230 #define SCMP_TAS 0x80 231 uint8_t byte6; 232 #define SCMP_AM_mask 0x7 /* autload mode */ 233 #define SCMP_AM_FULL 0 234 #define SCMP_AM_AUXMEM 1 235 #define SCMP_AM_NOLOAD 2 236 uint8_t rahp[2]; /* ready aer holdoff period */ 237 uint8_t btp[2]; /* busy timeout period */ 238 uint8_t estct[2]; /* extended self-test completion time */ 239 }; 240 241 /* 242 * Disconnect-reconnect page 243 */ 244 #define SCSI_DISCONNECT_RECONNECT_PAGE 0x02 245 struct scsi_disconnect_reconnect_page { 246 uint8_t pg_code; /* 0x02 */ 247 uint8_t pg_length; /* 0x0e */ 248 uint8_t buffer_full_ratio; 249 uint8_t buffer_empty_ratio; 250 uint8_t bus_inactivity_limit[2]; 251 uint8_t disconnect_time_limit[2]; 252 uint8_t connect_time_limit[2]; 253 uint8_t maximum_burst_size[2]; 254 uint8_t flags; 255 #define SDRP_DTDC_mask 0x7 /* data transfer disconnect control */ 256 #define SDRP_DImm 0x08 257 #define SDRP_FA_mask 0x7 258 #define SDRP_FA_shift 4 259 #define SDRP_EMDP 0x80 260 uint8_t reserved; 261 uint8_t first_burst_size[2]; 262 }; 263 264 /* 265 * Informational exceptions control page 266 */ 267 #define SCSI_INFORMATIONAL_EXCEPTIONS_CONTROL_PAGE 0x1c 268 struct scsi_informational_exceptions_control_page { 269 uint8_t pg_code; /* 0x1c */ 270 uint8_t pg_length; /* 0x0a */ 271 uint8_t byte3; 272 #define SIECP_LogErr 0x01 273 #define SIECP_TEST 0x04 274 #define SIECP_DExcpt 0x08 275 #define SIECP_EWasc 0x10 276 #define SIECP_EBF 0x20 277 #define SIECP_PERF 0x80 278 uint8_t byte4; 279 #define SIECP_MRIE_mask 0xf /* method of reporting 280 informational exceptions */ 281 #define SIECP_MRIE_NO_REPORTING 0x00 282 #define SIECP_MRIE_ASYNC_EVENT 0x01 283 #define SIECP_MRIE_UNIT_ATN 0x02 284 #define SIECP_MRIE_COND_RECOV_ERR 0x03 285 #define SIECP_MRIE_UNCOND_RECOV_ERR 0x04 286 #define SIECP_MRIE_NO_SENSE 0x05 287 #define SIECP_MRIE_ON_REQUEST 0x06 288 /* 0x07 - 0x0b reserved */ 289 /* 0x0c - 0x0f Vendor-specific */ 290 uint8_t interval_timer[2]; 291 uint8_t report_count[2]; 292 }; 293 294 /* 295 * Power condition page 296 */ 297 #define SCSI_POWER_CONDITION_PAGE 0x1a 298 struct scsi_power_condition_page { 299 uint8_t pg_code; /* 0x1a */ 300 uint8_t pg_length; /* 0x0a */ 301 uint8_t reserved; 302 uint8_t byte4; 303 #define SPCP_STANDBY 0x01 304 #define SPCP_IDLE 0x02 305 uint8_t idle_timer[2]; /* 100ms increments */ 306 uint8_t standby_timer[2]; /* 100ms increments */ 307 }; 308 309 /* 310 * Protocol specific LUN page 311 */ 312 #define SCSI_PROTOCOL_SPECIFIC_LUN_PAGE 0x18 313 struct scsi_protocol_specific_lun_page { 314 uint8_t pg_code; /* 0x18 */ 315 uint8_t pg_length; /* variable */ 316 uint8_t byte3; 317 #define SPSLP_PROTOCOL_mask 0xf 318 #define SPSLP_PROTOCOL_FCP 0x00 /* Fibre Channel */ 319 #define SPSLP_PROTOCOL_SPI 0x01 /* parallel SCSI */ 320 #define SPSLP_PROTOCOL_SSA 0x02 /* SSA-S2P or SSA-S3P */ 321 #define SPSLP_PROTOCOL_SBP2 0x03 /* IEEE 1394 */ 322 #define SPSLP_PROTOCOL_SRP 0x04 /* SCSI RDMA */ 323 #define SPSLP_PROTOCOL_ISCSI 0x05 /* iSCSI */ 324 /* protocol specific mode parameters follow */ 325 }; 326 327 /* 328 * Protocol specific port page 329 */ 330 #define SCSI_PROTOCOL_SPECIFIC_PORT_PAGE 0x19 331 struct scsi_protocol_specific_port_page { 332 uint8_t pg_code; /* 0x18 */ 333 uint8_t pg_length; /* variable */ 334 uint8_t byte3; /* see SCSI PROTOCOL SPECIFIC LUN PAGE */ 335 /* protocol specific mode parameters follow */ 336 }; 337 338 /* 339 * PERSISTENT RESERVE IN 340 */ 341 342 /* 343 * PERSISTENT RESERVE OUT 344 */ 345 346 /* 347 * PREVENT ALLOW MEDIUM REMOVAL 348 */ 349 350 #define SCSI_PREVENT_ALLOW_MEDIUM_REMOVAL 0x1e 351 struct scsi_prevent_allow_medium_removal { 352 uint8_t opcode; 353 uint8_t byte2; 354 uint8_t reserved[2]; 355 uint8_t how; 356 #define SPAMR_ALLOW 0x00 357 #define SPAMR_PREVENT_DT 0x01 358 #define SPAMR_PREVENT_MC 0x02 359 #define SPAMR_PREVENT_ALL 0x03 360 uint8_t control; 361 }; 362 363 /* 364 * READ BUFFER 365 */ 366 367 /* 368 * RECEIVE COPY RESULTS 369 */ 370 371 /* 372 * RECEIVE DIAGNOSTIC RESULTS 373 */ 374 375 /* 376 * RESERVE / RELEASE 377 */ 378 379 #define SCSI_RESERVE_6 0x16 380 #define SCSI_RELEASE_6 0x17 381 struct scsi_reserve_release_6 { 382 uint8_t opcode; 383 uint8_t byte2; 384 uint8_t obsolete; 385 uint8_t reserved[2]; 386 uint8_t control; 387 }; 388 389 #define SCSI_RESERVE_10 0x56 390 #define SCSI_RELEASE_10 0x57 391 struct scsi_reserve_release_10 { 392 uint8_t opcode; 393 uint8_t byte2; 394 #define SR_LongID 0x02 395 #define SR_3rdPty 0x10 396 uint8_t obsolete; 397 uint8_t thirdpartyid; 398 uint8_t reserved[3]; 399 uint8_t paramlen[2]; 400 uint8_t control; 401 }; 402 403 struct scsi_reserve_release_10_idparam { 404 uint8_t thirdpartyid[8]; 405 }; 406 407 /* 408 * REPORT DEVICE IDENTIFIER 409 */ 410 411 /* 412 * REPORT LUNS 413 */ 414 415 /* 416 * REQUEST SENSE 417 */ 418 419 #define SCSI_REQUEST_SENSE 0x03 420 struct scsi_request_sense { 421 uint8_t opcode; 422 uint8_t byte2; 423 uint8_t reserved[2]; 424 uint8_t length; 425 uint8_t control; 426 }; 427 428 struct scsi_sense_data { 429 /* 1*/ uint8_t response_code; 430 #define SSD_RCODE(x) ((x) & 0x7f) 431 #define SSD_RCODE_CURRENT 0x70 432 #define SSD_RCODE_DEFERRED 0x71 433 #define SSD_RCODE_VALID 0x80 434 /* 2*/ uint8_t segment; /* obsolete */ 435 /* 3*/ uint8_t flags; 436 #define SSD_SENSE_KEY(x) ((x) & 0x0f) 437 #define SSD_ILI 0x20 438 #define SSD_EOM 0x40 439 #define SSD_FILEMARK 0x80 440 /* 7*/ uint8_t info[4]; 441 /* 8*/ uint8_t extra_len; 442 /*12*/ uint8_t csi[4]; 443 /*13*/ uint8_t asc; 444 /*14*/ uint8_t ascq; 445 /*15*/ uint8_t fru; 446 union { 447 uint8_t sks_bytes[3]; 448 449 /* ILLEGAL REQUEST */ 450 struct { 451 uint8_t byte0; 452 #define SSD_SKS_FP_BIT(x) ((x) & 0x7) 453 #define SSD_SKS_FP_BPV 0x08 454 #define SSK_SKS_FP_CD 0x40 /* 1=command, 0=data */ 455 uint8_t val[2]; 456 } field_pointer; 457 458 /* RECOVERED ERROR, HARDWARE ERROR, MEDIUM ERROR */ 459 struct { 460 uint8_t byte0; 461 uint8_t val[2]; 462 } actual_retry_count; 463 464 /* NOT READY, NO SENSE */ 465 struct { 466 uint8_t byte0; 467 uint8_t val[2]; 468 } progress_indication; 469 470 /* COPY ABORTED */ 471 struct { 472 uint8_t byte0; 473 #define SSD_SKS_SP_BIT(x) ((x) & 0x7) 474 #define SSD_SKS_SP_BPV 0x08 475 #define SSD_SKS_SP_SD 0x20 /* 0=param list, 1=segment desc */ 476 uint8_t val[2]; 477 } segment_pointer; 478 /*18*/ } sks; 479 #define SSD_SKSV 0x80 /* byte0 of sks field */ 480 /*32*/ uint8_t extra_bytes[14]; /* really variable length */ 481 }; 482 483 /* 484 * Sense bytes described by the extra_len field start at csi[], and can 485 * only continue up to the end of the 32-byte sense structure that we 486 * have defined (which might be too short for some cases). 487 */ 488 #define SSD_ADD_BYTES_LIM(sp) \ 489 ((((int)(sp)->extra_len) < (int)sizeof(struct scsi_sense_data) - 8) ? \ 490 (sp)->extra_len : sizeof(struct scsi_sense_data) - 8) 491 492 #define SKEY_NO_SENSE 0x00 493 #define SKEY_RECOVERED_ERROR 0x01 494 #define SKEY_NOT_READY 0x02 495 #define SKEY_MEDIUM_ERROR 0x03 496 #define SKEY_HARDWARE_ERROR 0x04 497 #define SKEY_ILLEGAL_REQUEST 0x05 498 #define SKEY_UNIT_ATTENTION 0x06 499 #define SKEY_DATA_PROTECT 0x07 500 #define SKEY_BLANK_CHECK 0x08 501 #define SKEY_VENDOR_SPECIFIC 0x09 502 #define SKEY_COPY_ABORTED 0x0a 503 #define SKEY_ABORTED_COMMAND 0x0b 504 #define SKEY_EQUAL 0x0c /* obsolete */ 505 #define SKEY_VOLUME_OVERFLOW 0x0d 506 #define SKEY_MISCOMPARE 0x0e 507 /* 0x0f reserved */ 508 509 /* XXX This is not described in SPC-2. */ 510 struct scsi_sense_data_unextended { 511 uint8_t response_code; 512 uint8_t block[3]; 513 }; 514 515 /* 516 * SEND DIAGNOSTIC 517 */ 518 519 #define SCSI_SEND_DIAGNOSTIC 0x1d 520 struct scsi_send_diagnostic { 521 uint8_t opcode; 522 uint8_t byte2; 523 #define SSD_UnitOffL 0x01 524 #define SSD_DevOffL 0x02 525 #define SSD_SelfTest 0x04 /* standard self-test */ 526 #define SSD_PF 0x10 /* results in page format */ 527 #define SSD_CODE(x) ((x) << 5) 528 /* 529 * Codes: 530 * 531 * 0 This value shall be used when the SelfTest bit is 532 * set to one or if the SEND DIAGNOSTIC command is not 533 * invoking one of the other self-test functions such 534 * as enclosure services or the Translate Address page. 535 * 536 * 1 Background short self-test. Parameter length is 0. 537 * 538 * 2 Background extended self-test. Parameter length is 0. 539 * 540 * 4 Abort background self-test. Parameter length is 0. 541 * 542 * 5 Foreground short self-test. Parameter length is 0. 543 * 544 * 6 Foreground extended self-test. Parameter length is 0. 545 */ 546 uint8_t reserved; 547 uint8_t paramlen[2]; 548 uint8_t control; 549 }; 550 551 /* 552 * SET DEVICE IDENTIFIER 553 */ 554 555 /* 556 * TEST UNIT READY 557 */ 558 559 #define SCSI_TEST_UNIT_READY 0x00 560 struct scsi_test_unit_ready { 561 uint8_t opcode; 562 uint8_t byte2; 563 uint8_t reserved[3]; 564 uint8_t control; 565 }; 566 567 /* 568 * WRITE BUFFER 569 */ 570 571 #endif /* _DEV_SCSIPI_SCSI_SPC_H_ */
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