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1.1 ! root 1: /* ! 2: * Copyright (c) 1990 The Regents of the University of California. ! 3: * All rights reserved. ! 4: * ! 5: * This code is derived from software contributed to Berkeley by ! 6: * Van Jacobson of Lawrence Berkeley Laboratory. ! 7: * ! 8: * Redistribution is only permitted until one year after the first shipment ! 9: * of 4.4BSD by the Regents. Otherwise, redistribution and use in source and ! 10: * binary forms are permitted provided that: (1) source distributions retain ! 11: * this entire copyright notice and comment, and (2) distributions including ! 12: * binaries display the following acknowledgement: This product includes ! 13: * software developed by the University of California, Berkeley and its ! 14: * contributors'' in the documentation or other materials provided with the ! 15: * distribution and in all advertising materials mentioning features or use ! 16: * of this software. Neither the name of the University nor the names of ! 17: * its contributors may be used to endorse or promote products derived from ! 18: * this software without specific prior written permission. ! 19: * THIS SOFTWARE IS PROVIDED AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED ! 20: * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF ! 21: * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. ! 22: * ! 23: * @(#)scsireg.h 7.1 (Berkeley) 5/8/90 ! 24: */ ! 25: ! 26: /* ! 27: * HP 98265A SCSI Interface Hardware Description. ! 28: */ ! 29: ! 30: struct scsidevice { ! 31: u_char p0, scsi_id; ! 32: #define ID_MASK 0x1f ! 33: #define SCSI_ID 0x07 ! 34: #define ID_WORD_DMA 0x20 ! 35: u_char p2, scsi_csr; ! 36: #define CSR_IE 0x80 ! 37: #define CSR_IR 0x40 ! 38: #define SCSI_IPL(csr) ((((csr)>>4)&3)+3) ! 39: #define CSR_DMA32 0x08 ! 40: #define CSR_DMAIN 0x04 ! 41: #define CSR_DE1 0x02 ! 42: #define CSR_DE0 0x01 ! 43: u_char p4, scsi_wrap; ! 44: #define WRAP_REQ 0x80 ! 45: #define WRAP_ACK 0x40 ! 46: #define WRAP_BSY 0x08 ! 47: #define WRAP_MSG 0x04 ! 48: #define WRAP_CD 0x02 ! 49: #define WRAP_IO 0x01 ! 50: u_char p6, scsi_hconf; ! 51: #define HCONF_TP 0x80 ! 52: #define SCSI_SYNC_XFER(hconf) (((hconf)>>5)&3) ! 53: #define HCONF_SD 0x10 ! 54: #define HCONF_PARITY 0x08 ! 55: u_char p8[24]; ! 56: u_char p32, scsi_bdid; ! 57: u_char p34, scsi_sctl; ! 58: #define SCTL_DISABLE 0x80 ! 59: #define SCTL_CTRLRST 0x40 ! 60: #define SCTL_DIAG 0x20 ! 61: #define SCTL_ABRT_ENAB 0x10 ! 62: #define SCTL_PARITY_ENAB 0x08 ! 63: #define SCTL_SEL_ENAB 0x04 ! 64: #define SCTL_RESEL_ENAB 0x02 ! 65: #define SCTL_INTR_ENAB 0x01 ! 66: u_char p36, scsi_scmd; ! 67: #define SCMD_RST 0x10 ! 68: #define SCMD_ICPT_XFR 0x08 ! 69: #define SCMD_PROG_XFR 0x04 ! 70: #define SCMD_PAD 0x01 /* if initiator */ ! 71: #define SCMD_PERR_STOP 0x01 /* if target */ ! 72: /* command codes */ ! 73: #define SCMD_BUS_REL 0x00 ! 74: #define SCMD_SELECT 0x20 ! 75: #define SCMD_RST_ATN 0x40 ! 76: #define SCMD_SET_ATN 0x60 ! 77: #define SCMD_XFR 0x80 ! 78: #define SCMD_XFR_PAUSE 0xa0 ! 79: #define SCMD_RST_ACK 0xc0 ! 80: #define SCMD_SET_ACK 0xe0 ! 81: u_char p38, scsi_tmod; ! 82: #define TMOD_SYNC 0x80 ! 83: u_char p40, scsi_ints; ! 84: #define INTS_SEL 0x80 ! 85: #define INTS_RESEL 0x40 ! 86: #define INTS_DISCON 0x20 ! 87: #define INTS_CMD_DONE 0x10 ! 88: #define INTS_SRV_REQ 0x08 ! 89: #define INTS_TIMEOUT 0x04 ! 90: #define INTS_HARD_ERR 0x02 ! 91: #define INTS_RST 0x01 ! 92: u_char p42, scsi_psns; ! 93: #define PSNS_REQ 0x80 ! 94: #define PSNS_ACK 0x40 ! 95: #define PSNS_ATN 0x20 ! 96: #define PSNS_SEL 0x10 ! 97: #define PSNS_BSY 0x08 ! 98: u_char p44, scsi_ssts; ! 99: #define SSTS_INITIATOR 0x80 ! 100: #define SSTS_TARGET 0x40 ! 101: #define SSTS_BUSY 0x20 ! 102: #define SSTS_XFR 0x10 ! 103: #define SSTS_ACTIVE (SSTS_INITIATOR|SSTS_XFR) ! 104: #define SSTS_RST 0x08 ! 105: #define SSTS_TCZERO 0x04 ! 106: #define SSTS_DREG_FULL 0x02 ! 107: #define SSTS_DREG_EMPTY 0x01 ! 108: u_char p46, scsi_serr; ! 109: #define SERR_SCSI_PAR 0x80 ! 110: #define SERR_SPC_PAR 0x40 ! 111: #define SERR_TC_PAR 0x08 ! 112: #define SERR_PHASE_ERR 0x04 ! 113: #define SERR_SHORT_XFR 0x02 ! 114: #define SERR_OFFSET 0x01 ! 115: u_char p48, scsi_pctl; ! 116: #define PCTL_BFINT_ENAB 0x80 ! 117: u_char p50, scsi_mbc; ! 118: u_char p52, scsi_dreg; ! 119: u_char p54, scsi_temp; ! 120: u_char p56, scsi_tch; ! 121: u_char p58, scsi_tcm; ! 122: u_char p60, scsi_tcl; ! 123: u_char p62, scsi_exbf; ! 124: }; ! 125: ! 126: /* psns/pctl phase lines as bits */ ! 127: #define PHASE_MSG 0x04 ! 128: #define PHASE_CD 0x02 /* =1 if 'command' */ ! 129: #define PHASE_IO 0x01 /* =1 if data inbound */ ! 130: /* Phase lines as values */ ! 131: #define PHASE 0x07 /* mask for psns/pctl phase */ ! 132: #define DATA_OUT_PHASE 0x00 ! 133: #define DATA_IN_PHASE 0x01 ! 134: #define CMD_PHASE 0x02 ! 135: #define STATUS_PHASE 0x03 ! 136: #define BUS_FREE_PHASE 0x04 ! 137: #define ARB_SEL_PHASE 0x05 /* Fuji chip combines arbitration with sel. */ ! 138: #define MESG_OUT_PHASE 0x06 ! 139: #define MESG_IN_PHASE 0x07 ! 140: ! 141: /* SCSI Messages */ ! 142: ! 143: #define MSG_CMD_COMPLETE 0x00 ! 144: #define MSG_EXT_MESSAGE 0x01 ! 145: #define MSG_SAVE_DATA_PTR 0x02 ! 146: #define MSG_RESTORE_PTR 0x03 ! 147: #define MSG_DISCONNECT 0x04 ! 148: #define MSG_INIT_DETECT_ERROR 0x05 ! 149: #define MSG_ABORT 0x06 ! 150: #define MSG_REJECT 0x07 ! 151: #define MSG_NOOP 0x08 ! 152: #define MSG_PARITY_ERROR 0x09 ! 153: #define MSG_BUS_DEVICE_RESET 0x0C ! 154: #define MSG_IDENTIFY 0x80 ! 155: #define MSG_IDENTIFY_DR 0xc0 /* (disconnect/reconnect allowed) */ ! 156: #define MSG_SYNC_REQ 0x01 ! 157: ! 158: /* SCSI Commands */ ! 159: ! 160: #define CMD_TEST_UNIT_READY 0x00 ! 161: #define CMD_REQUEST_SENSE 0x03 ! 162: #define CMD_INQUIRY 0x12 ! 163: #define CMD_SEND_DIAGNOSTIC 0x1D ! 164: ! 165: #define CMD_FORMAT_UNIT 0x04 ! 166: #define CMD_REASSIGN_BLOCKS 0x07 ! 167: #define CMD_READ 0x08 ! 168: #define CMD_WRITE 0x0A ! 169: #define CMD_MODE_SELECT 0x15 ! 170: #define CMD_RELEASE_UNIT 0x17 ! 171: #define CMD_MODE_SENSE 0x1A ! 172: #define CMD_SEND_DIAG 0x1D ! 173: #define CMD_READ_CAPACITY 0x25 ! 174: #define CMD_READ_EXT 0x28 ! 175: #define CMD_WRITE_EXT 0x2A ! 176: #define CMD_READ_DEFECT_DATA 0x37 ! 177: #define SD_MANUFAC_DEFECTS 0x14000000 ! 178: #define SD_GROWN_DEFECTS 0x0c000000 ! 179: #define CMD_READ_BUFFER 0x3B ! 180: #define CMD_WRITE_BUFFER 0x3C ! 181: #define CMD_READ_FULL 0xF0 ! 182: #define CMD_MEDIA_TEST 0xF1 ! 183: #define CMD_ACCESS_LOG 0xF2 ! 184: #define CMD_WRITE_FULL 0xFC ! 185: #define CMD_MANAGE_PRIMARY 0xFD ! 186: #define CMD_EXECUTE_DATA 0xFE ! 187: ! 188: /* SCSI status bits */ ! 189: ! 190: #define STS_CHECKCOND 0x02 /* Check Condition (ie., read sense) */ ! 191: #define STS_CONDMET 0x04 /* Condition Met (ie., search worked) */ ! 192: #define STS_BUSY 0x08 ! 193: #define STS_INTERMED 0x10 /* Intermediate status sent */ ! 194: #define STS_EXT 0x80 /* Extended status valid */ ! 195: ! 196: /* command descriptor blocks */ ! 197: ! 198: struct scsi_cdb6 { ! 199: u_char cmd; /* command code */ ! 200: u_char lun: 3, /* logical unit on ctlr */ ! 201: lbah: 5; /* msb of read/write logical block addr */ ! 202: u_char lbam; /* middle byte of l.b.a. */ ! 203: u_char lbal; /* lsb of l.b.a. */ ! 204: u_char len; /* transfer length */ ! 205: u_char xtra; ! 206: }; ! 207: ! 208: struct scsi_cdb10 { ! 209: u_char cmd; /* command code */ ! 210: u_char lun: 3, /* logical unit on ctlr */ ! 211: : 4, ! 212: rel: 1; /* l.b.a. is relative addr if =1 */ ! 213: u_char lbah; /* msb of read/write logical block addr */ ! 214: u_char lbahm; /* high middle byte of l.b.a. */ ! 215: u_char lbalm; /* low middle byte of l.b.a. */ ! 216: u_char lbal; /* lsb of l.b.a. */ ! 217: u_char reserved; ! 218: u_char lenh; /* msb transfer length */ ! 219: u_char lenl; /* lsb transfer length */ ! 220: u_char xtra; ! 221: }; ! 222: ! 223: /* basic sense data */ ! 224: ! 225: struct scsi_sense { ! 226: u_char valid: 1, /* l.b.a. is valid */ ! 227: class: 3, ! 228: code: 4; ! 229: u_char vu: 4, /* vendor unique */ ! 230: lbah: 4; ! 231: u_char lbam; ! 232: u_char lbal; ! 233: }; ! 234: ! 235: struct scsi_xsense { ! 236: u_char valid: 1, /* l.b.a. is valid */ ! 237: class: 3, ! 238: code: 4; ! 239: u_char segment; ! 240: u_char filemark: 1, ! 241: eom: 1, ! 242: ili: 1, /* illegal length indicator */ ! 243: rsvd: 1, ! 244: key: 4; ! 245: u_char info1; ! 246: u_char info2; ! 247: u_char info3; ! 248: u_char info4; ! 249: u_char len; /* additional sense length */ ! 250: }; ! 251: ! 252: /* inquiry data */ ! 253: struct scsi_inquiry { ! 254: u_char type; ! 255: u_char qual; ! 256: u_char version; ! 257: u_char rsvd; ! 258: u_char len; ! 259: char class[3]; ! 260: char vendor_id[8]; ! 261: char product_id[16]; ! 262: char rev[4]; ! 263: }; ! 264: ! 265: struct scsi_format_parms { /* physical BFI format */ ! 266: u_short reserved; ! 267: u_short list_len; ! 268: struct defect { ! 269: unsigned cyl : 24; ! 270: unsigned head : 8; ! 271: long bytes_from_index; ! 272: } defect[127]; ! 273: } format_parms; ! 274: ! 275: struct scsi_reassign_parms { ! 276: u_short reserved; ! 277: u_short list_len; /* length in bytes of defects only */ ! 278: struct new_defect { ! 279: unsigned lba; /* logical block address */ ! 280: } new_defect[2]; ! 281: } reassign_parms; ! 282: ! 283: struct scsi_modesel_hdr { ! 284: u_char rsvd1; ! 285: u_char media_type; ! 286: u_char rsvd2; ! 287: u_char block_desc_len; ! 288: u_int density : 8; ! 289: u_int number_blocks :24; ! 290: u_int rsvd3 : 8; ! 291: u_int block_length :24; ! 292: }; ! 293: ! 294: struct scsi_modesense_hdr { ! 295: u_char len; ! 296: u_char media_type; ! 297: u_char wp : 1; ! 298: u_char rsvd1 : 7; ! 299: u_char block_desc_len; ! 300: u_int density : 8; ! 301: u_int number_blocks :24; ! 302: u_int rsvd2 : 8; ! 303: u_int block_length :24; ! 304: }; ! 305: ! 306: /* ! 307: * Mode Select / Mode sense "pages" ! 308: */ ! 309: ! 310: /* ! 311: * Page One - Error Recovery Parameters ! 312: */ ! 313: struct scsi_err_recovery { ! 314: u_char page_savable : 1; /* save parameters */ ! 315: u_char reserved : 1; ! 316: u_char page_code : 6; /* = 0x01 */ ! 317: u_char page_length; /* = 6 */ ! 318: u_char awre : 1; /* auto write realloc enabled */ ! 319: u_char arre : 1; /* auto read realloc enabled */ ! 320: u_char tb : 1; /* transfer block */ ! 321: u_char rc : 1; /* read continuous */ ! 322: u_char eec : 1; /* enable early correction */ ! 323: u_char per : 1; /* post error */ ! 324: u_char dte : 1; /* disable transfer on error */ ! 325: u_char dcr : 1; /* disable correction */ ! 326: u_char retry_count; ! 327: u_char correction_span; ! 328: u_char head_offset_count; ! 329: u_char strobe_offset_count; ! 330: u_char recovery_time_limit; ! 331: }; ! 332: ! 333: /* ! 334: * Page Two - Disconnect / Reconnect Control Parameters ! 335: */ ! 336: struct scsi_disco_reco { ! 337: u_char page_savable : 1; /* save parameters */ ! 338: u_char rsvd : 1; ! 339: u_char page_code : 6; /* = 0x02 */ ! 340: u_char page_length; /* = 10 */ ! 341: u_char buffer_full_ratio; /* write, how full before reconnect? */ ! 342: u_char buffer_empty_ratio; /* read, how full before reconnect? */ ! 343: ! 344: u_short bus_inactivity_limit; /* how much bus time for busy */ ! 345: u_short disconnect_time_limit; /* min to remain disconnected */ ! 346: u_short connect_time_limit; /* min to remain connected */ ! 347: u_short reserved_1; ! 348: }; ! 349: ! 350: /* ! 351: * Page Three - Direct Access Device Format Parameters ! 352: */ ! 353: struct scsi_format { ! 354: u_char page_savable : 1; /* save parameters */ ! 355: u_char rsvd : 1; ! 356: u_char page_code : 6; /* = 0x03 */ ! 357: u_char page_length; /* = 22 */ ! 358: u_short tracks_per_zone; /* Handling of Defects Fields */ ! 359: u_short alt_sect_zone; ! 360: u_short alt_tracks_zone; ! 361: u_short alt_tracks_vol; ! 362: u_short sect_track; /* Track Format Field */ ! 363: u_short data_sect; /* Sector Format Fields */ ! 364: u_short interleave; ! 365: u_short track_skew_factor; ! 366: u_short cyl_skew_factor; ! 367: u_char ssec : 1; /* Drive Type Field */ ! 368: u_char hsec : 1; ! 369: u_char rmb : 1; ! 370: u_char surf : 1; ! 371: u_char ins : 1; ! 372: u_char reserved_1 : 3; ! 373: u_char reserved_2; ! 374: u_char reserved_3; ! 375: u_char reserved_4; ! 376: }; ! 377: ! 378: /* ! 379: * Page Four - Rigid Disk Drive Geometry Parameters ! 380: */ ! 381: struct scsi_geometry { ! 382: u_char page_savable : 1; /* save parameters */ ! 383: u_char rsvd : 1; ! 384: u_char page_code : 6; /* = 0x04 */ ! 385: u_char page_length; /* = 18 */ ! 386: u_char cyl_ub; /* number of cylinders */ ! 387: u_char cyl_mb; ! 388: u_char cyl_lb; ! 389: u_char heads; /* number of heads */ ! 390: u_char precomp_cyl_ub; /* cylinder to start precomp */ ! 391: u_char precomp_cyl_mb; ! 392: u_char precomp_cyl_lb; ! 393: u_char current_cyl_ub; /* cyl to start reduced current */ ! 394: u_char current_cyl_mb; ! 395: u_char current_cyl_lb; ! 396: u_short step_rate; /* drive step rate */ ! 397: u_char landing_cyl_ub; /* landing zone cylinder */ ! 398: u_char landing_cyl_mb; ! 399: u_char landing_cyl_lb; ! 400: u_char reserved_1; ! 401: u_char reserved_2; ! 402: u_char reserved_3; ! 403: }; ! 404: ! 405: /* ! 406: * Page 0x38 - Cache Control Parameters ! 407: */ ! 408: struct scsi_cache { ! 409: u_char page_savable : 1; /* save parameters */ ! 410: u_char rsvd : 1; ! 411: u_char page_code : 6; /* = 0x38 */ ! 412: u_char page_length; /* = 14 */ ! 413: u_char rsvd_1 : 1; ! 414: u_char wie : 1; /* write index enable */ ! 415: u_char rsvd_2 : 1; ! 416: u_char ce : 1; /* cache enable */ ! 417: u_char table_size : 4; ! 418: u_char prefetch_threshold; ! 419: u_char maximum_threshold; ! 420: u_char maximumprefetch_multiplier; ! 421: u_char minimum_threshold; ! 422: u_char minimum_prefetch_multiplier; ! 423: u_char reserved[8]; ! 424: }; ! 425: ! 426: /* ! 427: * Driver ioctl's for various scsi operations. ! 428: */ ! 429: #ifndef _IOCTL_ ! 430: #include "ioctl.h" ! 431: #endif ! 432: ! 433: /* ! 434: * Control for SCSI "format" mode. ! 435: * ! 436: * "Format" mode allows a privileged process to issue direct SCSI ! 437: * commands to a drive (it is intended primarily to allow on-line ! 438: * formatting). SDIOCSFORMAT with a non-zero arg will put the drive ! 439: * into format mode; a zero arg will take it out. When in format ! 440: * mode, only the process that issued the SDIOCFORMAT can read or ! 441: * write the drive. ! 442: * ! 443: * In format mode, process is expected to ! 444: * - do SDIOCSCSICOMMAND to supply cdb for next SCSI op ! 445: * - do read or write as appropriate for cdb ! 446: * - if i/o error, optionally do SDIOCSENSE to get completion ! 447: * status and sense data from last scsi operation. ! 448: */ ! 449: ! 450: struct scsi_fmt_cdb { ! 451: int len; /* cdb length (in bytes) */ ! 452: u_char cdb[28]; /* cdb to use on next read/write */ ! 453: }; ! 454: ! 455: struct scsi_fmt_sense { ! 456: u_int status; /* completion status of last op */ ! 457: u_char sense[28]; /* sense data (if any) from last op */ ! 458: }; ! 459: ! 460: #define SDIOCSFORMAT _IOW('S', 0x1, int) ! 461: #define SDIOCGFORMAT _IOR('S', 0x2, int) ! 462: #define SDIOCSCSICOMMAND _IOW('S', 0x3, struct scsi_fmt_cdb) ! 463: #define SDIOCSENSE _IOR('S', 0x4, struct scsi_fmt_sense)
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