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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 and use in source and binary forms, with or without ! 9: * modification, are permitted provided that the following conditions ! 10: * are met: ! 11: * 1. Redistributions of source code must retain the above copyright ! 12: * notice, this list of conditions and the following disclaimer. ! 13: * 2. Redistributions in binary form must reproduce the above copyright ! 14: * notice, this list of conditions and the following disclaimer in the ! 15: * documentation and/or other materials provided with the distribution. ! 16: * 3. All advertising materials mentioning features or use of this software ! 17: * must display the following acknowledgement: ! 18: * This product includes software developed by the University of ! 19: * California, Berkeley and its contributors. ! 20: * 4. Neither the name of the University nor the names of its contributors ! 21: * may be used to endorse or promote products derived from this software ! 22: * without specific prior written permission. ! 23: * ! 24: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND ! 25: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE ! 26: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ! 27: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE ! 28: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL ! 29: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS ! 30: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) ! 31: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT ! 32: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY ! 33: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF ! 34: * SUCH DAMAGE. ! 35: * ! 36: * @(#)scsireg.h 7.3 (Berkeley) 2/5/91 ! 37: */ ! 38: ! 39: /* ! 40: * HP 98265A SCSI Interface Hardware Description. ! 41: */ ! 42: ! 43: struct scsidevice { ! 44: u_char p0, scsi_id; ! 45: #define ID_MASK 0x1f ! 46: #define SCSI_ID 0x07 ! 47: #define ID_WORD_DMA 0x20 ! 48: u_char p2, scsi_csr; ! 49: #define CSR_IE 0x80 ! 50: #define CSR_IR 0x40 ! 51: #define SCSI_IPL(csr) ((((csr)>>4)&3)+3) ! 52: #define CSR_DMA32 0x08 ! 53: #define CSR_DMAIN 0x04 ! 54: #define CSR_DE1 0x02 ! 55: #define CSR_DE0 0x01 ! 56: u_char p4, scsi_wrap; ! 57: #define WRAP_REQ 0x80 ! 58: #define WRAP_ACK 0x40 ! 59: #define WRAP_BSY 0x08 ! 60: #define WRAP_MSG 0x04 ! 61: #define WRAP_CD 0x02 ! 62: #define WRAP_IO 0x01 ! 63: u_char p6, scsi_hconf; ! 64: #define HCONF_TP 0x80 ! 65: #define SCSI_SYNC_XFER(hconf) (((hconf)>>5)&3) ! 66: #define HCONF_SD 0x10 ! 67: #define HCONF_PARITY 0x08 ! 68: u_char p8[24]; ! 69: u_char p32, scsi_bdid; ! 70: u_char p34, scsi_sctl; ! 71: #define SCTL_DISABLE 0x80 ! 72: #define SCTL_CTRLRST 0x40 ! 73: #define SCTL_DIAG 0x20 ! 74: #define SCTL_ABRT_ENAB 0x10 ! 75: #define SCTL_PARITY_ENAB 0x08 ! 76: #define SCTL_SEL_ENAB 0x04 ! 77: #define SCTL_RESEL_ENAB 0x02 ! 78: #define SCTL_INTR_ENAB 0x01 ! 79: u_char p36, scsi_scmd; ! 80: #define SCMD_RST 0x10 ! 81: #define SCMD_ICPT_XFR 0x08 ! 82: #define SCMD_PROG_XFR 0x04 ! 83: #define SCMD_PAD 0x01 /* if initiator */ ! 84: #define SCMD_PERR_STOP 0x01 /* if target */ ! 85: /* command codes */ ! 86: #define SCMD_BUS_REL 0x00 ! 87: #define SCMD_SELECT 0x20 ! 88: #define SCMD_RST_ATN 0x40 ! 89: #define SCMD_SET_ATN 0x60 ! 90: #define SCMD_XFR 0x80 ! 91: #define SCMD_XFR_PAUSE 0xa0 ! 92: #define SCMD_RST_ACK 0xc0 ! 93: #define SCMD_SET_ACK 0xe0 ! 94: u_char p38, scsi_tmod; ! 95: #define TMOD_SYNC 0x80 ! 96: u_char p40, scsi_ints; ! 97: #define INTS_SEL 0x80 ! 98: #define INTS_RESEL 0x40 ! 99: #define INTS_DISCON 0x20 ! 100: #define INTS_CMD_DONE 0x10 ! 101: #define INTS_SRV_REQ 0x08 ! 102: #define INTS_TIMEOUT 0x04 ! 103: #define INTS_HARD_ERR 0x02 ! 104: #define INTS_RST 0x01 ! 105: u_char p42, scsi_psns; ! 106: #define PSNS_REQ 0x80 ! 107: #define PSNS_ACK 0x40 ! 108: #define PSNS_ATN 0x20 ! 109: #define PSNS_SEL 0x10 ! 110: #define PSNS_BSY 0x08 ! 111: u_char p44, scsi_ssts; ! 112: #define SSTS_INITIATOR 0x80 ! 113: #define SSTS_TARGET 0x40 ! 114: #define SSTS_BUSY 0x20 ! 115: #define SSTS_XFR 0x10 ! 116: #define SSTS_ACTIVE (SSTS_INITIATOR|SSTS_XFR) ! 117: #define SSTS_RST 0x08 ! 118: #define SSTS_TCZERO 0x04 ! 119: #define SSTS_DREG_FULL 0x02 ! 120: #define SSTS_DREG_EMPTY 0x01 ! 121: u_char p46, scsi_serr; ! 122: #define SERR_SCSI_PAR 0x80 ! 123: #define SERR_SPC_PAR 0x40 ! 124: #define SERR_TC_PAR 0x08 ! 125: #define SERR_PHASE_ERR 0x04 ! 126: #define SERR_SHORT_XFR 0x02 ! 127: #define SERR_OFFSET 0x01 ! 128: u_char p48, scsi_pctl; ! 129: #define PCTL_BFINT_ENAB 0x80 ! 130: u_char p50, scsi_mbc; ! 131: u_char p52, scsi_dreg; ! 132: u_char p54, scsi_temp; ! 133: u_char p56, scsi_tch; ! 134: u_char p58, scsi_tcm; ! 135: u_char p60, scsi_tcl; ! 136: u_char p62, scsi_exbf; ! 137: }; ! 138: ! 139: /* psns/pctl phase lines as bits */ ! 140: #define PHASE_MSG 0x04 ! 141: #define PHASE_CD 0x02 /* =1 if 'command' */ ! 142: #define PHASE_IO 0x01 /* =1 if data inbound */ ! 143: /* Phase lines as values */ ! 144: #define PHASE 0x07 /* mask for psns/pctl phase */ ! 145: #define DATA_OUT_PHASE 0x00 ! 146: #define DATA_IN_PHASE 0x01 ! 147: #define CMD_PHASE 0x02 ! 148: #define STATUS_PHASE 0x03 ! 149: #define BUS_FREE_PHASE 0x04 ! 150: #define ARB_SEL_PHASE 0x05 /* Fuji chip combines arbitration with sel. */ ! 151: #define MESG_OUT_PHASE 0x06 ! 152: #define MESG_IN_PHASE 0x07 ! 153: ! 154: /* SCSI Messages */ ! 155: ! 156: #define MSG_CMD_COMPLETE 0x00 ! 157: #define MSG_EXT_MESSAGE 0x01 ! 158: #define MSG_SAVE_DATA_PTR 0x02 ! 159: #define MSG_RESTORE_PTR 0x03 ! 160: #define MSG_DISCONNECT 0x04 ! 161: #define MSG_INIT_DETECT_ERROR 0x05 ! 162: #define MSG_ABORT 0x06 ! 163: #define MSG_REJECT 0x07 ! 164: #define MSG_NOOP 0x08 ! 165: #define MSG_PARITY_ERROR 0x09 ! 166: #define MSG_BUS_DEVICE_RESET 0x0C ! 167: #define MSG_IDENTIFY 0x80 ! 168: #define MSG_IDENTIFY_DR 0xc0 /* (disconnect/reconnect allowed) */ ! 169: #define MSG_SYNC_REQ 0x01 ! 170: ! 171: /* SCSI Commands */ ! 172: ! 173: #define CMD_TEST_UNIT_READY 0x00 ! 174: #define CMD_REQUEST_SENSE 0x03 ! 175: #define CMD_INQUIRY 0x12 ! 176: #define CMD_SEND_DIAGNOSTIC 0x1D ! 177: ! 178: #define CMD_REWIND 0x01 ! 179: #define CMD_FORMAT_UNIT 0x04 ! 180: #define CMD_READ_BLOCK_LIMITS 0x05 ! 181: #define CMD_REASSIGN_BLOCKS 0x07 ! 182: #define CMD_READ 0x08 ! 183: #define CMD_WRITE 0x0A ! 184: #define CMD_WRITE_FILEMARK 0x10 ! 185: #define CMD_SPACE 0x11 ! 186: #define CMD_MODE_SELECT 0x15 ! 187: #define CMD_RELEASE_UNIT 0x17 ! 188: #define CMD_ERASE 0x19 ! 189: #define CMD_MODE_SENSE 0x1A ! 190: #define CMD_LOADUNLOAD 0x1B ! 191: #define CMD_RECEIVE_DIAG 0x1C ! 192: #define CMD_SEND_DIAG 0x1D ! 193: #define CMD_P_A_MEDIA_REMOVAL 0x1E ! 194: #define CMD_READ_CAPACITY 0x25 ! 195: #define CMD_READ_EXT 0x28 ! 196: #define CMD_WRITE_EXT 0x2A ! 197: #define CMD_READ_DEFECT_DATA 0x37 ! 198: #define SD_MANUFAC_DEFECTS 0x14000000 ! 199: #define SD_GROWN_DEFECTS 0x0c000000 ! 200: #define CMD_READ_BUFFER 0x3B ! 201: #define CMD_WRITE_BUFFER 0x3C ! 202: #define CMD_READ_FULL 0xF0 ! 203: #define CMD_MEDIA_TEST 0xF1 ! 204: #define CMD_ACCESS_LOG 0xF2 ! 205: #define CMD_WRITE_FULL 0xFC ! 206: #define CMD_MANAGE_PRIMARY 0xFD ! 207: #define CMD_EXECUTE_DATA 0xFE ! 208: ! 209: /* SCSI status bits */ ! 210: ! 211: #define STS_CHECKCOND 0x02 /* Check Condition (ie., read sense) */ ! 212: #define STS_CONDMET 0x04 /* Condition Met (ie., search worked) */ ! 213: #define STS_BUSY 0x08 ! 214: #define STS_INTERMED 0x10 /* Intermediate status sent */ ! 215: #define STS_EXT 0x80 /* Extended status valid */ ! 216: ! 217: /* command descriptor blocks */ ! 218: ! 219: struct scsi_cdb6 { ! 220: u_char cmd; /* command code */ ! 221: u_char lun: 3, /* logical unit on ctlr */ ! 222: lbah: 5; /* msb of read/write logical block addr */ ! 223: u_char lbam; /* middle byte of l.b.a. */ ! 224: u_char lbal; /* lsb of l.b.a. */ ! 225: u_char len; /* transfer length */ ! 226: u_char xtra; ! 227: }; ! 228: ! 229: struct scsi_cdb10 { ! 230: u_char cmd; /* command code */ ! 231: u_char lun: 3, /* logical unit on ctlr */ ! 232: : 4, ! 233: rel: 1; /* l.b.a. is relative addr if =1 */ ! 234: u_char lbah; /* msb of read/write logical block addr */ ! 235: u_char lbahm; /* high middle byte of l.b.a. */ ! 236: u_char lbalm; /* low middle byte of l.b.a. */ ! 237: u_char lbal; /* lsb of l.b.a. */ ! 238: u_char reserved; ! 239: u_char lenh; /* msb transfer length */ ! 240: u_char lenl; /* lsb transfer length */ ! 241: u_char xtra; ! 242: }; ! 243: ! 244: /* basic sense data */ ! 245: ! 246: struct scsi_sense { ! 247: u_char valid: 1, /* l.b.a. is valid */ ! 248: class: 3, ! 249: code: 4; ! 250: u_char vu: 4, /* vendor unique */ ! 251: lbah: 4; ! 252: u_char lbam; ! 253: u_char lbal; ! 254: }; ! 255: ! 256: struct scsi_xsense { ! 257: u_char valid: 1, /* l.b.a. is valid */ ! 258: class: 3, ! 259: code: 4; ! 260: u_char segment; ! 261: u_char filemark: 1, ! 262: eom: 1, ! 263: ili: 1, /* illegal length indicator */ ! 264: rsvd: 1, ! 265: key: 4; ! 266: u_char info1; ! 267: u_char info2; ! 268: u_char info3; ! 269: u_char info4; ! 270: u_char len; /* additional sense length */ ! 271: }; ! 272: ! 273: /* inquiry data */ ! 274: struct scsi_inquiry { ! 275: u_char type; ! 276: u_char qual; ! 277: u_char version; ! 278: u_char rsvd; ! 279: u_char len; ! 280: char class[3]; ! 281: char vendor_id[8]; ! 282: char product_id[16]; ! 283: char rev[4]; ! 284: }; ! 285: ! 286: struct scsi_format_parms { /* physical BFI format */ ! 287: u_short reserved; ! 288: u_short list_len; ! 289: struct defect { ! 290: unsigned cyl : 24; ! 291: unsigned head : 8; ! 292: long bytes_from_index; ! 293: } defect[127]; ! 294: } format_parms; ! 295: ! 296: struct scsi_reassign_parms { ! 297: u_short reserved; ! 298: u_short list_len; /* length in bytes of defects only */ ! 299: struct new_defect { ! 300: unsigned lba; /* logical block address */ ! 301: } new_defect[2]; ! 302: } reassign_parms; ! 303: ! 304: struct scsi_modesel_hdr { ! 305: u_char rsvd1; ! 306: u_char media_type; ! 307: u_char rsvd2; ! 308: u_char block_desc_len; ! 309: u_int density : 8; ! 310: u_int number_blocks :24; ! 311: u_int rsvd3 : 8; ! 312: u_int block_length :24; ! 313: }; ! 314: ! 315: struct scsi_modesense_hdr { ! 316: u_char len; ! 317: u_char media_type; ! 318: u_char wp : 1; ! 319: u_char rsvd1 : 7; ! 320: u_char block_desc_len; ! 321: u_int density : 8; ! 322: u_int number_blocks :24; ! 323: u_int rsvd2 : 8; ! 324: u_int block_length :24; ! 325: }; ! 326: ! 327: /* ! 328: * Mode Select / Mode sense "pages" ! 329: */ ! 330: ! 331: /* ! 332: * Page One - Error Recovery Parameters ! 333: */ ! 334: struct scsi_err_recovery { ! 335: u_char page_savable : 1; /* save parameters */ ! 336: u_char reserved : 1; ! 337: u_char page_code : 6; /* = 0x01 */ ! 338: u_char page_length; /* = 6 */ ! 339: u_char awre : 1; /* auto write realloc enabled */ ! 340: u_char arre : 1; /* auto read realloc enabled */ ! 341: u_char tb : 1; /* transfer block */ ! 342: u_char rc : 1; /* read continuous */ ! 343: u_char eec : 1; /* enable early correction */ ! 344: u_char per : 1; /* post error */ ! 345: u_char dte : 1; /* disable transfer on error */ ! 346: u_char dcr : 1; /* disable correction */ ! 347: u_char retry_count; ! 348: u_char correction_span; ! 349: u_char head_offset_count; ! 350: u_char strobe_offset_count; ! 351: u_char recovery_time_limit; ! 352: }; ! 353: ! 354: /* ! 355: * Page Two - Disconnect / Reconnect Control Parameters ! 356: */ ! 357: struct scsi_disco_reco { ! 358: u_char page_savable : 1; /* save parameters */ ! 359: u_char rsvd : 1; ! 360: u_char page_code : 6; /* = 0x02 */ ! 361: u_char page_length; /* = 10 */ ! 362: u_char buffer_full_ratio; /* write, how full before reconnect? */ ! 363: u_char buffer_empty_ratio; /* read, how full before reconnect? */ ! 364: ! 365: u_short bus_inactivity_limit; /* how much bus time for busy */ ! 366: u_short disconnect_time_limit; /* min to remain disconnected */ ! 367: u_short connect_time_limit; /* min to remain connected */ ! 368: u_short reserved_1; ! 369: }; ! 370: ! 371: /* ! 372: * Page Three - Direct Access Device Format Parameters ! 373: */ ! 374: struct scsi_format { ! 375: u_char page_savable : 1; /* save parameters */ ! 376: u_char rsvd : 1; ! 377: u_char page_code : 6; /* = 0x03 */ ! 378: u_char page_length; /* = 22 */ ! 379: u_short tracks_per_zone; /* Handling of Defects Fields */ ! 380: u_short alt_sect_zone; ! 381: u_short alt_tracks_zone; ! 382: u_short alt_tracks_vol; ! 383: u_short sect_track; /* Track Format Field */ ! 384: u_short data_sect; /* Sector Format Fields */ ! 385: u_short interleave; ! 386: u_short track_skew_factor; ! 387: u_short cyl_skew_factor; ! 388: u_char ssec : 1; /* Drive Type Field */ ! 389: u_char hsec : 1; ! 390: u_char rmb : 1; ! 391: u_char surf : 1; ! 392: u_char ins : 1; ! 393: u_char reserved_1 : 3; ! 394: u_char reserved_2; ! 395: u_char reserved_3; ! 396: u_char reserved_4; ! 397: }; ! 398: ! 399: /* ! 400: * Page Four - Rigid Disk Drive Geometry Parameters ! 401: */ ! 402: struct scsi_geometry { ! 403: u_char page_savable : 1; /* save parameters */ ! 404: u_char rsvd : 1; ! 405: u_char page_code : 6; /* = 0x04 */ ! 406: u_char page_length; /* = 18 */ ! 407: u_char cyl_ub; /* number of cylinders */ ! 408: u_char cyl_mb; ! 409: u_char cyl_lb; ! 410: u_char heads; /* number of heads */ ! 411: u_char precomp_cyl_ub; /* cylinder to start precomp */ ! 412: u_char precomp_cyl_mb; ! 413: u_char precomp_cyl_lb; ! 414: u_char current_cyl_ub; /* cyl to start reduced current */ ! 415: u_char current_cyl_mb; ! 416: u_char current_cyl_lb; ! 417: u_short step_rate; /* drive step rate */ ! 418: u_char landing_cyl_ub; /* landing zone cylinder */ ! 419: u_char landing_cyl_mb; ! 420: u_char landing_cyl_lb; ! 421: u_char reserved_1; ! 422: u_char reserved_2; ! 423: u_char reserved_3; ! 424: }; ! 425: ! 426: /* ! 427: * Page 0x38 - Cache Control Parameters ! 428: */ ! 429: struct scsi_cache { ! 430: u_char page_savable : 1; /* save parameters */ ! 431: u_char rsvd : 1; ! 432: u_char page_code : 6; /* = 0x38 */ ! 433: u_char page_length; /* = 14 */ ! 434: u_char rsvd_1 : 1; ! 435: u_char wie : 1; /* write index enable */ ! 436: u_char rsvd_2 : 1; ! 437: u_char ce : 1; /* cache enable */ ! 438: u_char table_size : 4; ! 439: u_char prefetch_threshold; ! 440: u_char maximum_threshold; ! 441: u_char maximumprefetch_multiplier; ! 442: u_char minimum_threshold; ! 443: u_char minimum_prefetch_multiplier; ! 444: u_char reserved[8]; ! 445: }; ! 446: ! 447: /* ! 448: * Driver ioctl's for various scsi operations. ! 449: */ ! 450: #ifndef _IOCTL_ ! 451: #include "ioctl.h" ! 452: #endif ! 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)
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