scsireg.h revision 1.1
1 /* $NetBSD: scsireg.h,v 1.1 2003/08/01 01:25:46 tsutsui 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. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the University of 21 * California, Berkeley and its contributors. 22 * 4. Neither the name of the University nor the names of its contributors 23 * may be used to endorse or promote products derived from this software 24 * without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 27 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 28 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 29 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 30 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 31 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 32 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 33 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 34 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 35 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 36 * SUCH DAMAGE. 37 * 38 * @(#)scsireg.h 8.1 (Berkeley) 6/10/93 39 */ 40 41 /* 42 * HP 98265A SCSI Interface Hardware Description. 43 */ 44 45 struct scsidevice { 46 u_char p0, scsi_id; 47 #define ID_MASK 0x1f 48 #define SCSI_ID 0x07 49 #define ID_WORD_DMA 0x20 50 u_char p2, scsi_csr; 51 #define CSR_IE 0x80 52 #define CSR_IR 0x40 53 #define SCSI_IPL(csr) ((((csr)>>4)&3)+3) 54 #define CSR_DMA32 0x08 55 #define CSR_DMAIN 0x04 56 #define CSR_DE1 0x02 57 #define CSR_DE0 0x01 58 u_char p4, scsi_wrap; 59 #define WRAP_REQ 0x80 60 #define WRAP_ACK 0x40 61 #define WRAP_BSY 0x08 62 #define WRAP_MSG 0x04 63 #define WRAP_CD 0x02 64 #define WRAP_IO 0x01 65 u_char p6, scsi_hconf; 66 #define HCONF_TP 0x80 67 #define SCSI_SYNC_XFER(hconf) (((hconf)>>5)&3) 68 #define HCONF_SD 0x10 69 #define HCONF_PARITY 0x08 70 u_char p8[24]; 71 u_char p32, scsi_bdid; 72 u_char p34, scsi_sctl; 73 #define SCTL_DISABLE 0x80 74 #define SCTL_CTRLRST 0x40 75 #define SCTL_DIAG 0x20 76 #define SCTL_ABRT_ENAB 0x10 77 #define SCTL_PARITY_ENAB 0x08 78 #define SCTL_SEL_ENAB 0x04 79 #define SCTL_RESEL_ENAB 0x02 80 #define SCTL_INTR_ENAB 0x01 81 u_char p36, scsi_scmd; 82 #define SCMD_RST 0x10 83 #define SCMD_ICPT_XFR 0x08 84 #define SCMD_PROG_XFR 0x04 85 #define SCMD_PAD 0x01 /* if initiator */ 86 #define SCMD_PERR_STOP 0x01 /* if target */ 87 /* command codes */ 88 #define SCMD_BUS_REL 0x00 89 #define SCMD_SELECT 0x20 90 #define SCMD_RST_ATN 0x40 91 #define SCMD_SET_ATN 0x60 92 #define SCMD_XFR 0x80 93 #define SCMD_XFR_PAUSE 0xa0 94 #define SCMD_RST_ACK 0xc0 95 #define SCMD_SET_ACK 0xe0 96 u_char p38, scsi_tmod; 97 #define TMOD_SYNC 0x80 98 u_char p40, scsi_ints; 99 #define INTS_SEL 0x80 100 #define INTS_RESEL 0x40 101 #define INTS_DISCON 0x20 102 #define INTS_CMD_DONE 0x10 103 #define INTS_SRV_REQ 0x08 104 #define INTS_TIMEOUT 0x04 105 #define INTS_HARD_ERR 0x02 106 #define INTS_RST 0x01 107 u_char p42, scsi_psns; 108 #define PSNS_REQ 0x80 109 #define PSNS_ACK 0x40 110 #define PSNS_ATN 0x20 111 #define PSNS_SEL 0x10 112 #define PSNS_BSY 0x08 113 u_char p44, scsi_ssts; 114 #define SSTS_INITIATOR 0x80 115 #define SSTS_TARGET 0x40 116 #define SSTS_BUSY 0x20 117 #define SSTS_XFR 0x10 118 #define SSTS_ACTIVE (SSTS_INITIATOR|SSTS_XFR) 119 #define SSTS_RST 0x08 120 #define SSTS_TCZERO 0x04 121 #define SSTS_DREG_FULL 0x02 122 #define SSTS_DREG_EMPTY 0x01 123 u_char p46, scsi_serr; 124 #define SERR_SCSI_PAR 0x80 125 #define SERR_SPC_PAR 0x40 126 #define SERR_TC_PAR 0x08 127 #define SERR_PHASE_ERR 0x04 128 #define SERR_SHORT_XFR 0x02 129 #define SERR_OFFSET 0x01 130 u_char p48, scsi_pctl; 131 #define PCTL_BFINT_ENAB 0x80 132 u_char p50, scsi_mbc; 133 u_char p52, scsi_dreg; 134 u_char p54, scsi_temp; 135 u_char p56, scsi_tch; 136 u_char p58, scsi_tcm; 137 u_char p60, scsi_tcl; 138 u_char p62, scsi_exbf; 139 }; 140 141 /* psns/pctl phase lines as bits */ 142 #define PHASE_MSG 0x04 143 #define PHASE_CD 0x02 /* =1 if 'command' */ 144 #define PHASE_IO 0x01 /* =1 if data inbound */ 145 /* Phase lines as values */ 146 #define PHASE 0x07 /* mask for psns/pctl phase */ 147 #define DATA_OUT_PHASE 0x00 148 #define DATA_IN_PHASE 0x01 149 #define CMD_PHASE 0x02 150 #define STATUS_PHASE 0x03 151 #define BUS_FREE_PHASE 0x04 152 #define ARB_SEL_PHASE 0x05 /* Fuji chip combines arbitration with sel. */ 153 #define MESG_OUT_PHASE 0x06 154 #define MESG_IN_PHASE 0x07 155 156 /* SCSI Messages */ 157 158 #define MSG_CMD_COMPLETE 0x00 159 #define MSG_EXT_MESSAGE 0x01 160 #define MSG_SAVE_DATA_PTR 0x02 161 #define MSG_RESTORE_PTR 0x03 162 #define MSG_DISCONNECT 0x04 163 #define MSG_INIT_DETECT_ERROR 0x05 164 #define MSG_ABORT 0x06 165 #define MSG_REJECT 0x07 166 #define MSG_NOOP 0x08 167 #define MSG_PARITY_ERROR 0x09 168 #define MSG_BUS_DEVICE_RESET 0x0C 169 #define MSG_IDENTIFY 0x80 170 #define MSG_IDENTIFY_DR 0xc0 /* (disconnect/reconnect allowed) */ 171 #define MSG_SYNC_REQ 0x01 172 173 /* SCSI Commands */ 174 175 #define CMD_TEST_UNIT_READY 0x00 176 #define CMD_REQUEST_SENSE 0x03 177 #define CMD_INQUIRY 0x12 178 #define CMD_SEND_DIAGNOSTIC 0x1D 179 180 #define CMD_REWIND 0x01 181 #define CMD_REZERO 0x01 182 #define CMD_FORMAT_UNIT 0x04 183 #define CMD_READ_BLOCK_LIMITS 0x05 184 #define CMD_REASSIGN_BLOCKS 0x07 185 #define CMD_READ 0x08 186 #define CMD_WRITE 0x0A 187 #define CMD_WRITE_FILEMARK 0x10 188 #define CMD_SPACE 0x11 189 #define CMD_MODE_SELECT 0x15 190 #define CMD_RELEASE_UNIT 0x17 191 #define CMD_ERASE 0x19 192 #define CMD_MODE_SENSE 0x1A 193 #define CMD_LOADUNLOAD 0x1B 194 #define CMD_RECEIVE_DIAG 0x1C 195 #define CMD_SEND_DIAG 0x1D 196 #define CMD_P_A_MEDIA_REMOVAL 0x1E 197 #define CMD_READ_CAPACITY 0x25 198 #define CMD_READ_EXT 0x28 199 #define CMD_WRITE_EXT 0x2A 200 #define CMD_READ_DEFECT_DATA 0x37 201 #define SD_MANUFAC_DEFECTS 0x14000000 202 #define SD_GROWN_DEFECTS 0x0c000000 203 #define CMD_READ_BUFFER 0x3B 204 #define CMD_WRITE_BUFFER 0x3C 205 #define CMD_READ_FULL 0xF0 206 #define CMD_MEDIA_TEST 0xF1 207 #define CMD_ACCESS_LOG 0xF2 208 #define CMD_WRITE_FULL 0xFC 209 #define CMD_MANAGE_PRIMARY 0xFD 210 #define CMD_EXECUTE_DATA 0xFE 211 212 /* SCSI status bits */ 213 214 #define STS_CHECKCOND 0x02 /* Check Condition (ie., read sense) */ 215 #define STS_CONDMET 0x04 /* Condition Met (ie., search worked) */ 216 #define STS_BUSY 0x08 217 #define STS_INTERMED 0x10 /* Intermediate status sent */ 218 #define STS_EXT 0x80 /* Extended status valid */ 219 220 /* command descriptor blocks */ 221 222 struct scsi_cdb6 { 223 u_char cmd; /* command code */ 224 u_char lun: 3, /* logical unit on ctlr */ 225 lbah: 5; /* msb of read/write logical block addr */ 226 u_char lbam; /* middle byte of l.b.a. */ 227 u_char lbal; /* lsb of l.b.a. */ 228 u_char len; /* transfer length */ 229 u_char xtra; 230 }; 231 232 struct scsi_cdb10 { 233 u_char cmd; /* command code */ 234 u_char lun: 3, /* logical unit on ctlr */ 235 : 4, 236 rel: 1; /* l.b.a. is relative addr if =1 */ 237 u_char lbah; /* msb of read/write logical block addr */ 238 u_char lbahm; /* high middle byte of l.b.a. */ 239 u_char lbalm; /* low middle byte of l.b.a. */ 240 u_char lbal; /* lsb of l.b.a. */ 241 u_char reserved; 242 u_char lenh; /* msb transfer length */ 243 u_char lenl; /* lsb transfer length */ 244 u_char xtra; 245 }; 246 247 /* basic sense data */ 248 249 struct scsi_sense { 250 u_char valid: 1, /* l.b.a. is valid */ 251 class: 3, 252 code: 4; 253 u_char vu: 4, /* vendor unique */ 254 lbah: 4; 255 u_char lbam; 256 u_char lbal; 257 }; 258 259 struct scsi_xsense { 260 u_char valid: 1, /* l.b.a. is valid */ 261 class: 3, 262 code: 4; 263 u_char segment; 264 u_char filemark: 1, 265 eom: 1, 266 ili: 1, /* illegal length indicator */ 267 rsvd: 1, 268 key: 4; 269 u_char info1; 270 u_char info2; 271 u_char info3; 272 u_char info4; 273 u_char len; /* additional sense length */ 274 }; 275 276 /* inquiry data */ 277 struct scsi_inquiry { 278 u_char type; 279 u_char qual; 280 u_char version; 281 u_char rsvd; 282 u_char len; 283 char class[3]; 284 char vendor_id[8]; 285 char product_id[16]; 286 char rev[4]; 287 }; 288 289 struct scsi_format_parms { /* physical BFI format */ 290 u_short reserved; 291 u_short list_len; 292 struct defect { 293 unsigned cyl : 24; 294 unsigned head : 8; 295 long bytes_from_index; 296 } defect[127]; 297 }; 298 299 #ifdef _KERNEL 300 extern struct scsi_format_parms format_parms; 301 #endif 302 303 struct scsi_reassign_parms { 304 u_short reserved; 305 u_short list_len; /* length in bytes of defects only */ 306 struct new_defect { 307 unsigned lba; /* logical block address */ 308 } new_defect[2]; 309 }; 310 311 #ifdef _KERNEL 312 extern struct scsi_reassign_parms reassign_parms; 313 #endif 314 315 struct scsi_modesel_hdr { 316 u_char rsvd1; 317 u_char media_type; 318 u_char rsvd2; 319 u_char block_desc_len; 320 u_int density : 8; 321 u_int number_blocks :24; 322 u_int rsvd3 : 8; 323 u_int block_length :24; 324 }; 325 326 struct scsi_modesense_hdr { 327 u_char len; 328 u_char media_type; 329 u_char wp : 1; 330 u_char rsvd1 : 7; 331 u_char block_desc_len; 332 u_int density : 8; 333 u_int number_blocks :24; 334 u_int rsvd2 : 8; 335 u_int block_length :24; 336 }; 337 338 /* 339 * Mode Select / Mode sense "pages" 340 */ 341 342 /* 343 * Page One - Error Recovery Parameters 344 */ 345 struct scsi_err_recovery { 346 u_char page_savable : 1; /* save parameters */ 347 u_char reserved : 1; 348 u_char page_code : 6; /* = 0x01 */ 349 u_char page_length; /* = 6 */ 350 u_char awre : 1; /* auto write realloc enabled */ 351 u_char arre : 1; /* auto read realloc enabled */ 352 u_char tb : 1; /* transfer block */ 353 u_char rc : 1; /* read continuous */ 354 u_char eec : 1; /* enable early correction */ 355 u_char per : 1; /* post error */ 356 u_char dte : 1; /* disable transfer on error */ 357 u_char dcr : 1; /* disable correction */ 358 u_char retry_count; 359 u_char correction_span; 360 u_char head_offset_count; 361 u_char strobe_offset_count; 362 u_char recovery_time_limit; 363 }; 364 365 /* 366 * Page Two - Disconnect / Reconnect Control Parameters 367 */ 368 struct scsi_disco_reco { 369 u_char page_savable : 1; /* save parameters */ 370 u_char rsvd : 1; 371 u_char page_code : 6; /* = 0x02 */ 372 u_char page_length; /* = 10 */ 373 u_char buffer_full_ratio; /* write, how full before reconnect? */ 374 u_char buffer_empty_ratio; /* read, how full before reconnect? */ 375 376 u_short bus_inactivity_limit; /* how much bus time for busy */ 377 u_short disconnect_time_limit; /* min to remain disconnected */ 378 u_short connect_time_limit; /* min to remain connected */ 379 u_short reserved_1; 380 }; 381 382 /* 383 * Page Three - Direct Access Device Format Parameters 384 */ 385 struct scsi_format { 386 u_char page_savable : 1; /* save parameters */ 387 u_char rsvd : 1; 388 u_char page_code : 6; /* = 0x03 */ 389 u_char page_length; /* = 22 */ 390 u_short tracks_per_zone; /* Handling of Defects Fields */ 391 u_short alt_sect_zone; 392 u_short alt_tracks_zone; 393 u_short alt_tracks_vol; 394 u_short sect_track; /* Track Format Field */ 395 u_short data_sect; /* Sector Format Fields */ 396 u_short interleave; 397 u_short track_skew_factor; 398 u_short cyl_skew_factor; 399 u_char ssec : 1; /* Drive Type Field */ 400 u_char hsec : 1; 401 u_char rmb : 1; 402 u_char surf : 1; 403 u_char ins : 1; 404 u_char reserved_1 : 3; 405 u_char reserved_2; 406 u_char reserved_3; 407 u_char reserved_4; 408 }; 409 410 /* 411 * Page Four - Rigid Disk Drive Geometry Parameters 412 */ 413 struct scsi_geometry { 414 u_char page_savable : 1; /* save parameters */ 415 u_char rsvd : 1; 416 u_char page_code : 6; /* = 0x04 */ 417 u_char page_length; /* = 18 */ 418 u_char cyl_ub; /* number of cylinders */ 419 u_char cyl_mb; 420 u_char cyl_lb; 421 u_char heads; /* number of heads */ 422 u_char precomp_cyl_ub; /* cylinder to start precomp */ 423 u_char precomp_cyl_mb; 424 u_char precomp_cyl_lb; 425 u_char current_cyl_ub; /* cyl to start reduced current */ 426 u_char current_cyl_mb; 427 u_char current_cyl_lb; 428 u_short step_rate; /* drive step rate */ 429 u_char landing_cyl_ub; /* landing zone cylinder */ 430 u_char landing_cyl_mb; 431 u_char landing_cyl_lb; 432 u_char reserved_1; 433 u_char reserved_2; 434 u_char reserved_3; 435 }; 436 437 /* 438 * Page 0x38 - Cache Control Parameters 439 */ 440 struct scsi_cache { 441 u_char page_savable : 1; /* save parameters */ 442 u_char rsvd : 1; 443 u_char page_code : 6; /* = 0x38 */ 444 u_char page_length; /* = 14 */ 445 u_char rsvd_1 : 1; 446 u_char wie : 1; /* write index enable */ 447 u_char rsvd_2 : 1; 448 u_char ce : 1; /* cache enable */ 449 u_char table_size : 4; 450 u_char prefetch_threshold; 451 u_char maximum_threshold; 452 u_char maximumprefetch_multiplier; 453 u_char minimum_threshold; 454 u_char minimum_prefetch_multiplier; 455 u_char reserved[8]; 456 }; 457 458 /* 459 * Control for SCSI "format" mode. 460 * 461 * "Format" mode allows a privileged process to issue direct SCSI 462 * commands to a drive (it is intended primarily to allow on-line 463 * formatting). SDIOCSFORMAT with a non-zero arg will put the drive 464 * into format mode; a zero arg will take it out. When in format 465 * mode, only the process that issued the SDIOCFORMAT can read or 466 * write the drive. 467 * 468 * In format mode, process is expected to 469 * - do SDIOCSCSICOMMAND to supply cdb for next SCSI op 470 * - do read or write as appropriate for cdb 471 * - if i/o error, optionally do SDIOCSENSE to get completion 472 * status and sense data from last scsi operation. 473 */ 474 475 struct scsi_fmt_cdb { 476 int len; /* cdb length (in bytes) */ 477 u_char cdb[28]; /* cdb to use on next read/write */ 478 }; 479 480 struct scsi_fmt_sense { 481 u_int status; /* completion status of last op */ 482 u_char sense[28]; /* sense data (if any) from last op */ 483 }; 484 485 #define SDIOCSFORMAT _IOW('S', 0x1, int) 486 #define SDIOCGFORMAT _IOR('S', 0x2, int) 487 #define SDIOCSCSICOMMAND _IOW('S', 0x3, struct scsi_fmt_cdb) 488 #define SDIOCSENSE _IOR('S', 0x4, struct scsi_fmt_sense) 489
Indexes created Mon Sep 29 21:09:56 GMT 2025