scsireg.h revision 1.3
1 /* $NetBSD: scsireg.h,v 1.3 2011/02/08 20:20:14 rmind Exp $ */ 2 3 /* 4 * Copyright (c) 1990, 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * This code is derived from software contributed to Berkeley by 8 * Van Jacobson of Lawrence Berkeley Laboratory. 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. Neither the name of the University nor the names of its contributors 19 * may be used to endorse or promote products derived from this software 20 * without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32 * SUCH DAMAGE. 33 * 34 * @(#)scsireg.h 8.1 (Berkeley) 6/10/93 35 */ 36 37 /* 38 * HP 98265A SCSI Interface Hardware Description. 39 */ 40 41 struct scsidevice { 42 u_char p0, scsi_id; 43 #define ID_MASK 0x1f 44 #define SCSI_ID 0x07 45 #define ID_WORD_DMA 0x20 46 u_char p2, scsi_csr; 47 #define CSR_IE 0x80 48 #define CSR_IR 0x40 49 #define SCSI_IPL(csr) ((((csr)>>4)&3)+3) 50 #define CSR_DMA32 0x08 51 #define CSR_DMAIN 0x04 52 #define CSR_DE1 0x02 53 #define CSR_DE0 0x01 54 u_char p4, scsi_wrap; 55 #define WRAP_REQ 0x80 56 #define WRAP_ACK 0x40 57 #define WRAP_BSY 0x08 58 #define WRAP_MSG 0x04 59 #define WRAP_CD 0x02 60 #define WRAP_IO 0x01 61 u_char p6, scsi_hconf; 62 #define HCONF_TP 0x80 63 #define SCSI_SYNC_XFER(hconf) (((hconf)>>5)&3) 64 #define HCONF_SD 0x10 65 #define HCONF_PARITY 0x08 66 u_char p8[24]; 67 u_char p32, scsi_bdid; 68 u_char p34, scsi_sctl; 69 #define SCTL_DISABLE 0x80 70 #define SCTL_CTRLRST 0x40 71 #define SCTL_DIAG 0x20 72 #define SCTL_ABRT_ENAB 0x10 73 #define SCTL_PARITY_ENAB 0x08 74 #define SCTL_SEL_ENAB 0x04 75 #define SCTL_RESEL_ENAB 0x02 76 #define SCTL_INTR_ENAB 0x01 77 u_char p36, scsi_scmd; 78 #define SCMD_RST 0x10 79 #define SCMD_ICPT_XFR 0x08 80 #define SCMD_PROG_XFR 0x04 81 #define SCMD_PAD 0x01 /* if initiator */ 82 #define SCMD_PERR_STOP 0x01 /* if target */ 83 /* command codes */ 84 #define SCMD_BUS_REL 0x00 85 #define SCMD_SELECT 0x20 86 #define SCMD_RST_ATN 0x40 87 #define SCMD_SET_ATN 0x60 88 #define SCMD_XFR 0x80 89 #define SCMD_XFR_PAUSE 0xa0 90 #define SCMD_RST_ACK 0xc0 91 #define SCMD_SET_ACK 0xe0 92 u_char p38, scsi_tmod; 93 #define TMOD_SYNC 0x80 94 u_char p40, scsi_ints; 95 #define INTS_SEL 0x80 96 #define INTS_RESEL 0x40 97 #define INTS_DISCON 0x20 98 #define INTS_CMD_DONE 0x10 99 #define INTS_SRV_REQ 0x08 100 #define INTS_TIMEOUT 0x04 101 #define INTS_HARD_ERR 0x02 102 #define INTS_RST 0x01 103 u_char p42, scsi_psns; 104 #define PSNS_REQ 0x80 105 #define PSNS_ACK 0x40 106 #define PSNS_ATN 0x20 107 #define PSNS_SEL 0x10 108 #define PSNS_BSY 0x08 109 u_char p44, scsi_ssts; 110 #define SSTS_INITIATOR 0x80 111 #define SSTS_TARGET 0x40 112 #define SSTS_BUSY 0x20 113 #define SSTS_XFR 0x10 114 #define SSTS_ACTIVE (SSTS_INITIATOR|SSTS_XFR) 115 #define SSTS_RST 0x08 116 #define SSTS_TCZERO 0x04 117 #define SSTS_DREG_FULL 0x02 118 #define SSTS_DREG_EMPTY 0x01 119 u_char p46, scsi_serr; 120 #define SERR_SCSI_PAR 0x80 121 #define SERR_SPC_PAR 0x40 122 #define SERR_TC_PAR 0x08 123 #define SERR_PHASE_ERR 0x04 124 #define SERR_SHORT_XFR 0x02 125 #define SERR_OFFSET 0x01 126 u_char p48, scsi_pctl; 127 #define PCTL_BFINT_ENAB 0x80 128 u_char p50, scsi_mbc; 129 u_char p52, scsi_dreg; 130 u_char p54, scsi_temp; 131 u_char p56, scsi_tch; 132 u_char p58, scsi_tcm; 133 u_char p60, scsi_tcl; 134 u_char p62, scsi_exbf; 135 }; 136 137 /* psns/pctl phase lines as bits */ 138 #define PHASE_MSG 0x04 139 #define PHASE_CD 0x02 /* =1 if 'command' */ 140 #define PHASE_IO 0x01 /* =1 if data inbound */ 141 /* Phase lines as values */ 142 #define PHASE 0x07 /* mask for psns/pctl phase */ 143 #define DATA_OUT_PHASE 0x00 144 #define DATA_IN_PHASE 0x01 145 #define CMD_PHASE 0x02 146 #define STATUS_PHASE 0x03 147 #define BUS_FREE_PHASE 0x04 148 #define ARB_SEL_PHASE 0x05 /* Fuji chip combines arbitration with sel. */ 149 #define MESG_OUT_PHASE 0x06 150 #define MESG_IN_PHASE 0x07 151 152 /* SCSI Messages */ 153 154 #define MSG_CMD_COMPLETE 0x00 155 #define MSG_EXT_MESSAGE 0x01 156 #define MSG_SAVE_DATA_PTR 0x02 157 #define MSG_RESTORE_PTR 0x03 158 #define MSG_DISCONNECT 0x04 159 #define MSG_INIT_DETECT_ERROR 0x05 160 #define MSG_ABORT 0x06 161 #define MSG_REJECT 0x07 162 #define MSG_NOOP 0x08 163 #define MSG_PARITY_ERROR 0x09 164 #define MSG_BUS_DEVICE_RESET 0x0C 165 #define MSG_IDENTIFY 0x80 166 #define MSG_IDENTIFY_DR 0xc0 /* (disconnect/reconnect allowed) */ 167 #define MSG_SYNC_REQ 0x01 168 169 /* SCSI Commands */ 170 171 #define CMD_TEST_UNIT_READY 0x00 172 #define CMD_REQUEST_SENSE 0x03 173 #define CMD_INQUIRY 0x12 174 #define CMD_SEND_DIAGNOSTIC 0x1D 175 176 #define CMD_REWIND 0x01 177 #define CMD_REZERO 0x01 178 #define CMD_FORMAT_UNIT 0x04 179 #define CMD_READ_BLOCK_LIMITS 0x05 180 #define CMD_REASSIGN_BLOCKS 0x07 181 #define CMD_READ 0x08 182 #define CMD_WRITE 0x0A 183 #define CMD_WRITE_FILEMARK 0x10 184 #define CMD_SPACE 0x11 185 #define CMD_MODE_SELECT 0x15 186 #define CMD_RELEASE_UNIT 0x17 187 #define CMD_ERASE 0x19 188 #define CMD_MODE_SENSE 0x1A 189 #define CMD_LOADUNLOAD 0x1B 190 #define CMD_RECEIVE_DIAG 0x1C 191 #define CMD_SEND_DIAG 0x1D 192 #define CMD_P_A_MEDIA_REMOVAL 0x1E 193 #define CMD_READ_CAPACITY 0x25 194 #define CMD_READ_EXT 0x28 195 #define CMD_WRITE_EXT 0x2A 196 #define CMD_READ_DEFECT_DATA 0x37 197 #define SD_MANUFAC_DEFECTS 0x14000000 198 #define SD_GROWN_DEFECTS 0x0c000000 199 #define CMD_READ_BUFFER 0x3B 200 #define CMD_WRITE_BUFFER 0x3C 201 #define CMD_READ_FULL 0xF0 202 #define CMD_MEDIA_TEST 0xF1 203 #define CMD_ACCESS_LOG 0xF2 204 #define CMD_WRITE_FULL 0xFC 205 #define CMD_MANAGE_PRIMARY 0xFD 206 #define CMD_EXECUTE_DATA 0xFE 207 208 /* SCSI status bits */ 209 210 #define STS_CHECKCOND 0x02 /* Check Condition (ie., read sense) */ 211 #define STS_CONDMET 0x04 /* Condition Met (ie., search worked) */ 212 #define STS_BUSY 0x08 213 #define STS_INTERMED 0x10 /* Intermediate status sent */ 214 #define STS_EXT 0x80 /* Extended status valid */ 215 216 /* command descriptor blocks */ 217 218 struct scsi_cdb6 { 219 u_char cmd; /* command code */ 220 u_char lun: 3, /* logical unit on ctlr */ 221 lbah: 5; /* msb of read/write logical block addr */ 222 u_char lbam; /* middle byte of l.b.a. */ 223 u_char lbal; /* lsb of l.b.a. */ 224 u_char len; /* transfer length */ 225 u_char xtra; 226 }; 227 228 struct scsi_cdb10 { 229 u_char cmd; /* command code */ 230 u_char lun: 3, /* logical unit on ctlr */ 231 : 4, 232 rel: 1; /* l.b.a. is relative addr if =1 */ 233 u_char lbah; /* msb of read/write logical block addr */ 234 u_char lbahm; /* high middle byte of l.b.a. */ 235 u_char lbalm; /* low middle byte of l.b.a. */ 236 u_char lbal; /* lsb of l.b.a. */ 237 u_char reserved; 238 u_char lenh; /* msb transfer length */ 239 u_char lenl; /* lsb transfer length */ 240 u_char xtra; 241 }; 242 243 /* basic sense data */ 244 245 struct scsi_sense { 246 u_char valid: 1, /* l.b.a. is valid */ 247 class: 3, 248 code: 4; 249 u_char vu: 4, /* vendor unique */ 250 lbah: 4; 251 u_char lbam; 252 u_char lbal; 253 }; 254 255 struct scsi_xsense { 256 u_char valid: 1, /* l.b.a. is valid */ 257 class: 3, 258 code: 4; 259 u_char segment; 260 u_char filemark: 1, 261 eom: 1, 262 ili: 1, /* illegal length indicator */ 263 rsvd: 1, 264 key: 4; 265 u_char info1; 266 u_char info2; 267 u_char info3; 268 u_char info4; 269 u_char len; /* additional sense length */ 270 }; 271 272 /* inquiry data */ 273 struct scsi_inquiry { 274 u_char type; 275 u_char qual; 276 u_char version; 277 u_char rsvd; 278 u_char len; 279 char class[3]; 280 char vendor_id[8]; 281 char product_id[16]; 282 char rev[4]; 283 }; 284 285 struct scsi_format_parms { /* physical BFI format */ 286 u_short reserved; 287 u_short list_len; 288 struct defect { 289 unsigned cyl : 24; 290 unsigned head : 8; 291 long bytes_from_index; 292 } defect[127]; 293 }; 294 295 #ifdef _KERNEL 296 extern struct scsi_format_parms format_parms; 297 #endif 298 299 struct scsi_reassign_parms { 300 u_short reserved; 301 u_short list_len; /* length in bytes of defects only */ 302 struct new_defect { 303 unsigned lba; /* logical block address */ 304 } new_defect[2]; 305 }; 306 307 #ifdef _KERNEL 308 extern struct scsi_reassign_parms reassign_parms; 309 #endif 310 311 struct scsi_modesel_hdr { 312 u_char rsvd1; 313 u_char media_type; 314 u_char rsvd2; 315 u_char block_desc_len; 316 u_int density : 8; 317 u_int number_blocks :24; 318 u_int rsvd3 : 8; 319 u_int block_length :24; 320 }; 321 322 struct scsi_modesense_hdr { 323 u_char len; 324 u_char media_type; 325 u_char wp : 1; 326 u_char rsvd1 : 7; 327 u_char block_desc_len; 328 u_int density : 8; 329 u_int number_blocks :24; 330 u_int rsvd2 : 8; 331 u_int block_length :24; 332 }; 333 334 /* 335 * Mode Select / Mode sense "pages" 336 */ 337 338 /* 339 * Page One - Error Recovery Parameters 340 */ 341 struct scsi_err_recovery { 342 u_char page_savable : 1; /* save parameters */ 343 u_char reserved : 1; 344 u_char page_code : 6; /* = 0x01 */ 345 u_char page_length; /* = 6 */ 346 u_char awre : 1; /* auto write realloc enabled */ 347 u_char arre : 1; /* auto read realloc enabled */ 348 u_char tb : 1; /* transfer block */ 349 u_char rc : 1; /* read continuous */ 350 u_char eec : 1; /* enable early correction */ 351 u_char per : 1; /* post error */ 352 u_char dte : 1; /* disable transfer on error */ 353 u_char dcr : 1; /* disable correction */ 354 u_char retry_count; 355 u_char correction_span; 356 u_char head_offset_count; 357 u_char strobe_offset_count; 358 u_char recovery_time_limit; 359 }; 360 361 /* 362 * Page Two - Disconnect / Reconnect Control Parameters 363 */ 364 struct scsi_disco_reco { 365 u_char page_savable : 1; /* save parameters */ 366 u_char rsvd : 1; 367 u_char page_code : 6; /* = 0x02 */ 368 u_char page_length; /* = 10 */ 369 u_char buffer_full_ratio; /* write, how full before reconnect? */ 370 u_char buffer_empty_ratio; /* read, how full before reconnect? */ 371 372 u_short bus_inactivity_limit; /* how much bus time for busy */ 373 u_short disconnect_time_limit; /* min to remain disconnected */ 374 u_short connect_time_limit; /* min to remain connected */ 375 u_short reserved_1; 376 }; 377 378 /* 379 * Page Three - Direct Access Device Format Parameters 380 */ 381 struct scsi_format { 382 u_char page_savable : 1; /* save parameters */ 383 u_char rsvd : 1; 384 u_char page_code : 6; /* = 0x03 */ 385 u_char page_length; /* = 22 */ 386 u_short tracks_per_zone; /* Handling of Defects Fields */ 387 u_short alt_sect_zone; 388 u_short alt_tracks_zone; 389 u_short alt_tracks_vol; 390 u_short sect_track; /* Track Format Field */ 391 u_short data_sect; /* Sector Format Fields */ 392 u_short interleave; 393 u_short track_skew_factor; 394 u_short cyl_skew_factor; 395 u_char ssec : 1; /* Drive Type Field */ 396 u_char hsec : 1; 397 u_char rmb : 1; 398 u_char surf : 1; 399 u_char ins : 1; 400 u_char reserved_1 : 3; 401 u_char reserved_2; 402 u_char reserved_3; 403 u_char reserved_4; 404 }; 405 406 /* 407 * Page Four - Rigid Disk Drive Geometry Parameters 408 */ 409 struct scsi_geometry { 410 u_char page_savable : 1; /* save parameters */ 411 u_char rsvd : 1; 412 u_char page_code : 6; /* = 0x04 */ 413 u_char page_length; /* = 18 */ 414 u_char cyl_ub; /* number of cylinders */ 415 u_char cyl_mb; 416 u_char cyl_lb; 417 u_char heads; /* number of heads */ 418 u_char precomp_cyl_ub; /* cylinder to start precomp */ 419 u_char precomp_cyl_mb; 420 u_char precomp_cyl_lb; 421 u_char current_cyl_ub; /* cyl to start reduced current */ 422 u_char current_cyl_mb; 423 u_char current_cyl_lb; 424 u_short step_rate; /* drive step rate */ 425 u_char landing_cyl_ub; /* landing zone cylinder */ 426 u_char landing_cyl_mb; 427 u_char landing_cyl_lb; 428 u_char reserved_1; 429 u_char reserved_2; 430 u_char reserved_3; 431 }; 432 433 /* 434 * Page 0x38 - Cache Control Parameters 435 */ 436 struct scsi_cache { 437 u_char page_savable : 1; /* save parameters */ 438 u_char rsvd : 1; 439 u_char page_code : 6; /* = 0x38 */ 440 u_char page_length; /* = 14 */ 441 u_char rsvd_1 : 1; 442 u_char wie : 1; /* write index enable */ 443 u_char rsvd_2 : 1; 444 u_char ce : 1; /* cache enable */ 445 u_char table_size : 4; 446 u_char prefetch_threshold; 447 u_char maximum_threshold; 448 u_char maximumprefetch_multiplier; 449 u_char minimum_threshold; 450 u_char minimum_prefetch_multiplier; 451 u_char reserved[8]; 452 }; 453 454 /* 455 * Control for SCSI "format" mode. 456 * 457 * "Format" mode allows a privileged process to issue direct SCSI 458 * commands to a drive (it is intended primarily to allow on-line 459 * formatting). SDIOCSFORMAT with a non-zero arg will put the drive 460 * into format mode; a zero arg will take it out. When in format 461 * mode, only the process that issued the SDIOCFORMAT can read or 462 * write the drive. 463 * 464 * In format mode, process is expected to 465 * - do SDIOCSCSICOMMAND to supply cdb for next SCSI op 466 * - do read or write as appropriate for cdb 467 * - if i/o error, optionally do SDIOCSENSE to get completion 468 * status and sense data from last scsi operation. 469 */ 470 471 struct scsi_fmt_cdb { 472 int len; /* cdb length (in bytes) */ 473 u_char cdb[28]; /* cdb to use on next read/write */ 474 }; 475 476 struct scsi_fmt_sense { 477 u_int status; /* completion status of last op */ 478 u_char sense[28]; /* sense data (if any) from last op */ 479 }; 480 481 #define SDIOCSFORMAT _IOW('S', 0x1, int) 482 #define SDIOCGFORMAT _IOR('S', 0x2, int) 483 #define SDIOCSCSICOMMAND _IOW('S', 0x3, struct scsi_fmt_cdb) 484 #define SDIOCSENSE _IOR('S', 0x4, struct scsi_fmt_sense) 485
Indexes created Tue Sep 30 11:09:46 GMT 2025