scsireg.h revision 1.1
1 /* $NetBSD: scsireg.h,v 1.1 2013/01/05 17:44:24 tsutsui Exp $ */ 2 3 /* 4 * Copyright (c) 1990, 1992, 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 * MB89352 SCSI Protocol Controller Hardware Description. 39 */ 40 41 struct scsidevice { 42 volatile u_char scsi_bdid, p0, p1, p2; /* 000 */ 43 volatile u_char scsi_sctl, p3, p4, p5; /* 004 */ 44 #define SCTL_DISABLE 0x80 45 #define SCTL_CTRLRST 0x40 46 #define SCTL_DIAG 0x20 47 #define SCTL_ABRT_ENAB 0x10 48 #define SCTL_PARITY_ENAB 0x08 49 #define SCTL_SEL_ENAB 0x04 50 #define SCTL_RESEL_ENAB 0x02 51 #define SCTL_INTR_ENAB 0x01 52 volatile u_char scsi_scmd, p6, p7, p8; /* 008 */ 53 #define SCMD_RST 0x10 54 #define SCMD_ICPT_XFR 0x08 55 #define SCMD_PROG_XFR 0x04 56 #define SCMD_PAD 0x01 /* if initiator */ 57 #define SCMD_PERR_STOP 0x01 /* if target */ 58 /* command codes */ 59 #define SCMD_BUS_REL 0x00 60 #define SCMD_SELECT 0x20 61 #define SCMD_RST_ATN 0x40 62 #define SCMD_SET_ATN 0x60 63 #define SCMD_XFR 0x80 64 #define SCMD_XFR_PAUSE 0xa0 65 #define SCMD_RST_ACK 0xc0 66 #define SCMD_SET_ACK 0xe0 67 volatile u_char scsi_tmod, p9, p10, p11; /* 00C */ 68 #define TMOD_SYNC 0x80 69 volatile u_char scsi_ints, p12, p13, p14; /* 010 */ 70 #define INTS_SEL 0x80 71 #define INTS_RESEL 0x40 72 #define INTS_DISCON 0x20 73 #define INTS_CMD_DONE 0x10 74 #define INTS_SRV_REQ 0x08 75 #define INTS_TIMEOUT 0x04 76 #define INTS_HARD_ERR 0x02 77 #define INTS_RST 0x01 78 volatile u_char scsi_psns, p15, p16, p17; /* 014 */ 79 #define PSNS_REQ 0x80 80 #define PSNS_ACK 0x40 81 #define PSNS_ATN 0x20 82 #define PSNS_SEL 0x10 83 #define PSNS_BSY 0x08 84 #define scsi_sdgc scsi_psns 85 #define SDGC_XFER_ENAB 0x20 86 volatile u_char scsi_ssts, p18, p19, p20; /* 018 */ 87 #define SSTS_INITIATOR 0x80 88 #define SSTS_TARGET 0x40 89 #define SSTS_BUSY 0x20 90 #define SSTS_XFR 0x10 91 #define SSTS_ACTIVE (SSTS_INITIATOR|SSTS_XFR) 92 #define SSTS_RST 0x08 93 #define SSTS_TCZERO 0x04 94 #define SSTS_DREG_FULL 0x02 95 #define SSTS_DREG_EMPTY 0x01 96 volatile u_char scsi_serr, p21, p22, p23; /* 01C */ 97 #define SERR_SCSI_PAR 0x80 98 #define SERR_SPC_PAR 0x40 99 #define SERR_XFER_OUT 0x20 100 #define SERR_TC_PAR 0x08 101 #define SERR_PHASE_ERR 0x04 102 #define SERR_SHORT_XFR 0x02 103 #define SERR_OFFSET 0x01 104 volatile u_char scsi_pctl, p24, p25, p26; /* 020 */ 105 #define PCTL_BFINT_ENAB 0x80 106 volatile u_char scsi_mbc, p27, p28, p29; /* 024 */ 107 volatile u_char scsi_dreg, p30, p31, p32; /* 028 */ 108 volatile u_char scsi_temp, p33, p34, p35; /* 02C */ 109 volatile u_char scsi_tch, p36, p37, p38; /* 030 */ 110 volatile u_char scsi_tcm, p39, p40, p41; /* 034 */ 111 volatile u_char scsi_tcl, p42, p43, p44; /* 038 */ 112 volatile u_char scsi_exbf, p45, p46, p47; /* 03C */ 113 }; 114 115 /* psns/pctl phase lines as bits */ 116 #define PHASE_MSG 0x04 117 #define PHASE_CD 0x02 /* =1 if 'command' */ 118 #define PHASE_IO 0x01 /* =1 if data inbound */ 119 /* Phase lines as values */ 120 #define PHASE 0x07 /* mask for psns/pctl phase */ 121 #define DATA_OUT_PHASE 0x00 122 #define DATA_IN_PHASE 0x01 123 #define CMD_PHASE 0x02 124 #define STATUS_PHASE 0x03 125 #define BUS_FREE_PHASE 0x04 126 #define ARB_SEL_PHASE 0x05 /* Fuji chip combines arbitration with sel. */ 127 #define MESG_OUT_PHASE 0x06 128 #define MESG_IN_PHASE 0x07 129 130 /* SCSI Messages */ 131 132 #define MSG_CMD_COMPLETE 0x00 133 #define MSG_EXT_MESSAGE 0x01 134 #define MSG_SAVE_DATA_PTR 0x02 135 #define MSG_RESTORE_PTR 0x03 136 #define MSG_DISCONNECT 0x04 137 #define MSG_INIT_DETECT_ERROR 0x05 138 #define MSG_ABORT 0x06 139 #define MSG_REJECT 0x07 140 #define MSG_NOOP 0x08 141 #define MSG_PARITY_ERROR 0x09 142 #define MSG_BUS_DEVICE_RESET 0x0C 143 #define MSG_IDENTIFY 0x80 144 #define MSG_IDENTIFY_DR 0xc0 /* (disconnect/reconnect allowed) */ 145 #define MSG_SYNC_REQ 0x01 146 147 /* SCSI Commands */ 148 149 #define CMD_TEST_UNIT_READY 0x00 150 #define CMD_REQUEST_SENSE 0x03 151 #define CMD_INQUIRY 0x12 152 #define CMD_SEND_DIAGNOSTIC 0x1D 153 154 #define CMD_REWIND 0x01 155 #define CMD_FORMAT_UNIT 0x04 156 #define CMD_READ_BLOCK_LIMITS 0x05 157 #define CMD_REASSIGN_BLOCKS 0x07 158 #define CMD_READ 0x08 159 #define CMD_WRITE 0x0A 160 #define CMD_WRITE_FILEMARK 0x10 161 #define CMD_SPACE 0x11 162 #define CMD_MODE_SELECT 0x15 163 #define CMD_RELEASE_UNIT 0x17 164 #define CMD_ERASE 0x19 165 #define CMD_MODE_SENSE 0x1A 166 #define CMD_LOADUNLOAD 0x1B 167 #define CMD_RECEIVE_DIAG 0x1C 168 #define CMD_SEND_DIAG 0x1D 169 #define CMD_P_A_MEDIA_REMOVAL 0x1E 170 #define CMD_READ_CAPACITY 0x25 171 #define CMD_READ_EXT 0x28 172 #define CMD_WRITE_EXT 0x2A 173 #define CMD_READ_DEFECT_DATA 0x37 174 #define SD_MANUFAC_DEFECTS 0x14000000 175 #define SD_GROWN_DEFECTS 0x0c000000 176 #define CMD_READ_BUFFER 0x3B 177 #define CMD_WRITE_BUFFER 0x3C 178 #define CMD_READ_FULL 0xF0 179 #define CMD_MEDIA_TEST 0xF1 180 #define CMD_ACCESS_LOG 0xF2 181 #define CMD_WRITE_FULL 0xFC 182 #define CMD_MANAGE_PRIMARY 0xFD 183 #define CMD_EXECUTE_DATA 0xFE 184 185 /* SCSI status bits */ 186 187 #define STS_CHECKCOND 0x02 /* Check Condition (ie., read sense) */ 188 #define STS_CONDMET 0x04 /* Condition Met (ie., search worked) */ 189 #define STS_BUSY 0x08 190 #define STS_INTERMED 0x10 /* Intermediate status sent */ 191 #define STS_EXT 0x80 /* Extended status valid */ 192 193 /* command descriptor blocks */ 194 195 struct scsi_cdb6 { 196 u_char cmd; /* command code */ 197 u_char lun: 3, /* logical unit on ctlr */ 198 lbah: 5; /* msb of read/write logical block addr */ 199 u_char lbam; /* middle byte of l.b.a. */ 200 u_char lbal; /* lsb of l.b.a. */ 201 u_char len; /* transfer length */ 202 u_char xtra; 203 }; 204 205 struct scsi_cdb10 { 206 u_char cmd; /* command code */ 207 u_char lun: 3, /* logical unit on ctlr */ 208 : 4, 209 rel: 1; /* l.b.a. is relative addr if =1 */ 210 u_char lbah; /* msb of read/write logical block addr */ 211 u_char lbahm; /* high middle byte of l.b.a. */ 212 u_char lbalm; /* low middle byte of l.b.a. */ 213 u_char lbal; /* lsb of l.b.a. */ 214 u_char reserved; 215 u_char lenh; /* msb transfer length */ 216 u_char lenl; /* lsb transfer length */ 217 u_char xtra; 218 }; 219 220 /* basic sense data */ 221 222 struct scsi_sense { 223 u_char valid: 1, /* l.b.a. is valid */ 224 class: 3, 225 code: 4; 226 u_char vu: 4, /* vendor unique */ 227 lbah: 4; 228 u_char lbam; 229 u_char lbal; 230 }; 231 232 struct scsi_xsense { 233 u_char valid: 1, /* l.b.a. is valid */ 234 class: 3, 235 code: 4; 236 u_char segment; 237 u_char filemark: 1, 238 eom: 1, 239 ili: 1, /* illegal length indicator */ 240 rsvd: 1, 241 key: 4; 242 u_char info1; 243 u_char info2; 244 u_char info3; 245 u_char info4; 246 u_char len; /* additional sense length */ 247 }; 248 249 /* inquiry data */ 250 struct scsi_inquiry { 251 u_char type; 252 u_char qual; 253 u_char version; 254 u_char rsvd; 255 u_char len; 256 char class[3]; 257 char vendor_id[8]; 258 char product_id[16]; 259 char rev[4]; 260 }; 261 262 struct scsi_format_parms { /* physical BFI format */ 263 u_short reserved; 264 u_short list_len; 265 struct defect { 266 unsigned cyl : 24; 267 unsigned head : 8; 268 long bytes_from_index; 269 } defect[127]; 270 } format_parms; 271 272 struct scsi_reassign_parms { 273 u_short reserved; 274 u_short list_len; /* length in bytes of defects only */ 275 struct new_defect { 276 unsigned lba; /* logical block address */ 277 } new_defect[2]; 278 } reassign_parms; 279 280 struct scsi_modesel_hdr { 281 u_char rsvd1; 282 u_char media_type; 283 u_char rsvd2; 284 u_char block_desc_len; 285 u_int density : 8; 286 u_int number_blocks :24; 287 u_int rsvd3 : 8; 288 u_int block_length :24; 289 }; 290 291 struct scsi_modesense_hdr { 292 u_char len; 293 u_char media_type; 294 u_char wp : 1; 295 u_char rsvd1 : 7; 296 u_char block_desc_len; 297 u_int density : 8; 298 u_int number_blocks :24; 299 u_int rsvd2 : 8; 300 u_int block_length :24; 301 }; 302 303 /* 304 * Mode Select / Mode sense "pages" 305 */ 306 307 /* 308 * Page One - Error Recovery Parameters 309 */ 310 struct scsi_err_recovery { 311 u_char page_savable : 1; /* save parameters */ 312 u_char reserved : 1; 313 u_char page_code : 6; /* = 0x01 */ 314 u_char page_length; /* = 6 */ 315 u_char awre : 1; /* auto write realloc enabled */ 316 u_char arre : 1; /* auto read realloc enabled */ 317 u_char tb : 1; /* transfer block */ 318 u_char rc : 1; /* read continuous */ 319 u_char eec : 1; /* enable early correction */ 320 u_char per : 1; /* post error */ 321 u_char dte : 1; /* disable transfer on error */ 322 u_char dcr : 1; /* disable correction */ 323 u_char retry_count; 324 u_char correction_span; 325 u_char head_offset_count; 326 u_char strobe_offset_count; 327 u_char recovery_time_limit; 328 }; 329 330 /* 331 * Page Two - Disconnect / Reconnect Control Parameters 332 */ 333 struct scsi_disco_reco { 334 u_char page_savable : 1; /* save parameters */ 335 u_char rsvd : 1; 336 u_char page_code : 6; /* = 0x02 */ 337 u_char page_length; /* = 10 */ 338 u_char buffer_full_ratio; /* write, how full before reconnect? */ 339 u_char buffer_empty_ratio; /* read, how full before reconnect? */ 340 341 u_short bus_inactivity_limit; /* how much bus time for busy */ 342 u_short disconnect_time_limit; /* min to remain disconnected */ 343 u_short connect_time_limit; /* min to remain connected */ 344 u_short reserved_1; 345 }; 346 347 /* 348 * Page Three - Direct Access Device Format Parameters 349 */ 350 struct scsi_format { 351 u_char page_savable : 1; /* save parameters */ 352 u_char rsvd : 1; 353 u_char page_code : 6; /* = 0x03 */ 354 u_char page_length; /* = 22 */ 355 u_short tracks_per_zone; /* Handling of Defects Fields */ 356 u_short alt_sect_zone; 357 u_short alt_tracks_zone; 358 u_short alt_tracks_vol; 359 u_short sect_track; /* Track Format Field */ 360 u_short data_sect; /* Sector Format Fields */ 361 u_short interleave; 362 u_short track_skew_factor; 363 u_short cyl_skew_factor; 364 u_char ssec : 1; /* Drive Type Field */ 365 u_char hsec : 1; 366 u_char rmb : 1; 367 u_char surf : 1; 368 u_char ins : 1; 369 u_char reserved_1 : 3; 370 u_char reserved_2; 371 u_char reserved_3; 372 u_char reserved_4; 373 }; 374 375 /* 376 * Page Four - Rigid Disk Drive Geometry Parameters 377 */ 378 struct scsi_geometry { 379 u_char page_savable : 1; /* save parameters */ 380 u_char rsvd : 1; 381 u_char page_code : 6; /* = 0x04 */ 382 u_char page_length; /* = 18 */ 383 u_char cyl_ub; /* number of cylinders */ 384 u_char cyl_mb; 385 u_char cyl_lb; 386 u_char heads; /* number of heads */ 387 u_char precomp_cyl_ub; /* cylinder to start precomp */ 388 u_char precomp_cyl_mb; 389 u_char precomp_cyl_lb; 390 u_char current_cyl_ub; /* cyl to start reduced current */ 391 u_char current_cyl_mb; 392 u_char current_cyl_lb; 393 u_short step_rate; /* drive step rate */ 394 u_char landing_cyl_ub; /* landing zone cylinder */ 395 u_char landing_cyl_mb; 396 u_char landing_cyl_lb; 397 u_char reserved_1; 398 u_char reserved_2; 399 u_char reserved_3; 400 }; 401 402 /* 403 * Page 0x38 - Cache Control Parameters 404 */ 405 struct scsi_cache { 406 u_char page_savable : 1; /* save parameters */ 407 u_char rsvd : 1; 408 u_char page_code : 6; /* = 0x38 */ 409 u_char page_length; /* = 14 */ 410 u_char rsvd_1 : 1; 411 u_char wie : 1; /* write index enable */ 412 u_char rsvd_2 : 1; 413 u_char ce : 1; /* cache enable */ 414 u_char table_size : 4; 415 u_char prefetch_threshold; 416 u_char maximum_threshold; 417 u_char maximumprefetch_multiplier; 418 u_char minimum_threshold; 419 u_char minimum_prefetch_multiplier; 420 u_char reserved[8]; 421 }; 422 423 /* 424 * Driver ioctl's for various scsi operations. 425 */ 426 #ifndef _IOCTL_ 427 #if 0 428 #include <sys/ioctl.h> 429 #endif 430 #endif 431 432 /* 433 * Control for SCSI "format" mode. 434 * 435 * "Format" mode allows a privileged process to issue direct SCSI 436 * commands to a drive (it is intended primarily to allow on-line 437 * formatting). SDIOCSFORMAT with a non-zero arg will put the drive 438 * into format mode; a zero arg will take it out. When in format 439 * mode, only the process that issued the SDIOCFORMAT can read or 440 * write the drive. 441 * 442 * In format mode, process is expected to 443 * - do SDIOCSCSICOMMAND to supply cdb for next SCSI op 444 * - do read or write as appropriate for cdb 445 * - if i/o error, optionally do SDIOCSENSE to get completion 446 * status and sense data from last scsi operation. 447 */ 448 449 struct scsi_fmt_cdb { 450 int len; /* cdb length (in bytes) */ 451 u_char cdb[28]; /* cdb to use on next read/write */ 452 }; 453 454 struct scsi_fmt_sense { 455 u_int status; /* completion status of last op */ 456 u_char sense[28]; /* sense data (if any) from last op */ 457 }; 458 459 #define SDIOCSFORMAT _IOW('S', 0x1, int) 460 #define SDIOCGFORMAT _IOR('S', 0x2, int) 461 #define SDIOCSCSICOMMAND _IOW('S', 0x3, struct scsi_fmt_cdb) 462 #define SDIOCSENSE _IOR('S', 0x4, struct scsi_fmt_sense) 463
Indexes created Tue Sep 30 20:09:53 GMT 2025