Annotation of sys/arch/hp300/stand/include/scsireg.h, Revision 1.1
1.1 ! nbrk 1: /* $OpenBSD: scsireg.h,v 1.2 2006/08/17 06:31:10 miod Exp $ */
! 2: /* $NetBSD: scsireg.h,v 1.4 1994/10/26 07:24:59 cgd Exp $ */
! 3:
! 4: /*
! 5: * Copyright (c) 1990, 1993
! 6: * The Regents of the University of California. All rights reserved.
! 7: *
! 8: * This code is derived from software contributed to Berkeley by
! 9: * Van Jacobson of Lawrence Berkeley Laboratory.
! 10: *
! 11: * Redistribution and use in source and binary forms, with or without
! 12: * modification, are permitted provided that the following conditions
! 13: * are met:
! 14: * 1. Redistributions of source code must retain the above copyright
! 15: * notice, this list of conditions and the following disclaimer.
! 16: * 2. Redistributions in binary form must reproduce the above copyright
! 17: * notice, this list of conditions and the following disclaimer in the
! 18: * documentation and/or other materials provided with the distribution.
! 19: * 3. Neither the name of the University nor the names of its contributors
! 20: * may be used to endorse or promote products derived from this software
! 21: * without specific prior written permission.
! 22: *
! 23: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
! 24: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
! 25: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
! 26: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
! 27: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
! 28: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
! 29: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
! 30: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
! 31: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
! 32: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
! 33: * SUCH DAMAGE.
! 34: *
! 35: * @(#)scsireg.h 8.1 (Berkeley) 6/10/93
! 36: */
! 37:
! 38: /*
! 39: * HP 98265A SCSI Interface Hardware Description.
! 40: */
! 41:
! 42: struct scsidevice {
! 43: u_char p0, scsi_id;
! 44: #define ID_MASK 0x1f
! 45: #define SCSI_ID 0x07
! 46: #define ID_WORD_DMA 0x20
! 47: u_char p2, scsi_csr;
! 48: #define CSR_IE 0x80
! 49: #define CSR_IR 0x40
! 50: #define SCSI_IPL(csr) ((((csr)>>4)&3)+3)
! 51: #define CSR_DMA32 0x08
! 52: #define CSR_DMAIN 0x04
! 53: #define CSR_DE1 0x02
! 54: #define CSR_DE0 0x01
! 55: u_char p4, scsi_wrap;
! 56: #define WRAP_REQ 0x80
! 57: #define WRAP_ACK 0x40
! 58: #define WRAP_BSY 0x08
! 59: #define WRAP_MSG 0x04
! 60: #define WRAP_CD 0x02
! 61: #define WRAP_IO 0x01
! 62: u_char p6, scsi_hconf;
! 63: #define HCONF_TP 0x80
! 64: #define SCSI_SYNC_XFER(hconf) (((hconf)>>5)&3)
! 65: #define HCONF_SD 0x10
! 66: #define HCONF_PARITY 0x08
! 67: u_char p8[24];
! 68: u_char p32, scsi_bdid;
! 69: u_char p34, scsi_sctl;
! 70: #define SCTL_DISABLE 0x80
! 71: #define SCTL_CTRLRST 0x40
! 72: #define SCTL_DIAG 0x20
! 73: #define SCTL_ABRT_ENAB 0x10
! 74: #define SCTL_PARITY_ENAB 0x08
! 75: #define SCTL_SEL_ENAB 0x04
! 76: #define SCTL_RESEL_ENAB 0x02
! 77: #define SCTL_INTR_ENAB 0x01
! 78: u_char p36, scsi_scmd;
! 79: #define SCMD_RST 0x10
! 80: #define SCMD_ICPT_XFR 0x08
! 81: #define SCMD_PROG_XFR 0x04
! 82: #define SCMD_PAD 0x01 /* if initiator */
! 83: #define SCMD_PERR_STOP 0x01 /* if target */
! 84: /* command codes */
! 85: #define SCMD_BUS_REL 0x00
! 86: #define SCMD_SELECT 0x20
! 87: #define SCMD_RST_ATN 0x40
! 88: #define SCMD_SET_ATN 0x60
! 89: #define SCMD_XFR 0x80
! 90: #define SCMD_XFR_PAUSE 0xa0
! 91: #define SCMD_RST_ACK 0xc0
! 92: #define SCMD_SET_ACK 0xe0
! 93: u_char p38, scsi_tmod;
! 94: #define TMOD_SYNC 0x80
! 95: u_char p40, scsi_ints;
! 96: #define INTS_SEL 0x80
! 97: #define INTS_RESEL 0x40
! 98: #define INTS_DISCON 0x20
! 99: #define INTS_CMD_DONE 0x10
! 100: #define INTS_SRV_REQ 0x08
! 101: #define INTS_TIMEOUT 0x04
! 102: #define INTS_HARD_ERR 0x02
! 103: #define INTS_RST 0x01
! 104: u_char p42, scsi_psns;
! 105: #define PSNS_REQ 0x80
! 106: #define PSNS_ACK 0x40
! 107: #define PSNS_ATN 0x20
! 108: #define PSNS_SEL 0x10
! 109: #define PSNS_BSY 0x08
! 110: u_char p44, scsi_ssts;
! 111: #define SSTS_INITIATOR 0x80
! 112: #define SSTS_TARGET 0x40
! 113: #define SSTS_BUSY 0x20
! 114: #define SSTS_XFR 0x10
! 115: #define SSTS_ACTIVE (SSTS_INITIATOR|SSTS_XFR)
! 116: #define SSTS_RST 0x08
! 117: #define SSTS_TCZERO 0x04
! 118: #define SSTS_DREG_FULL 0x02
! 119: #define SSTS_DREG_EMPTY 0x01
! 120: u_char p46, scsi_serr;
! 121: #define SERR_SCSI_PAR 0x80
! 122: #define SERR_SPC_PAR 0x40
! 123: #define SERR_TC_PAR 0x08
! 124: #define SERR_PHASE_ERR 0x04
! 125: #define SERR_SHORT_XFR 0x02
! 126: #define SERR_OFFSET 0x01
! 127: u_char p48, scsi_pctl;
! 128: #define PCTL_BFINT_ENAB 0x80
! 129: u_char p50, scsi_mbc;
! 130: u_char p52, scsi_dreg;
! 131: u_char p54, scsi_temp;
! 132: u_char p56, scsi_tch;
! 133: u_char p58, scsi_tcm;
! 134: u_char p60, scsi_tcl;
! 135: u_char p62, scsi_exbf;
! 136: };
! 137:
! 138: /* psns/pctl phase lines as bits */
! 139: #define PHASE_MSG 0x04
! 140: #define PHASE_CD 0x02 /* =1 if 'command' */
! 141: #define PHASE_IO 0x01 /* =1 if data inbound */
! 142: /* Phase lines as values */
! 143: #define PHASE 0x07 /* mask for psns/pctl phase */
! 144: #define DATA_OUT_PHASE 0x00
! 145: #define DATA_IN_PHASE 0x01
! 146: #define CMD_PHASE 0x02
! 147: #define STATUS_PHASE 0x03
! 148: #define BUS_FREE_PHASE 0x04
! 149: #define ARB_SEL_PHASE 0x05 /* Fuji chip combines arbitration with sel. */
! 150: #define MESG_OUT_PHASE 0x06
! 151: #define MESG_IN_PHASE 0x07
! 152:
! 153: /* SCSI Messages */
! 154:
! 155: #define MSG_CMD_COMPLETE 0x00
! 156: #define MSG_EXT_MESSAGE 0x01
! 157: #define MSG_SAVE_DATA_PTR 0x02
! 158: #define MSG_RESTORE_PTR 0x03
! 159: #define MSG_DISCONNECT 0x04
! 160: #define MSG_INIT_DETECT_ERROR 0x05
! 161: #define MSG_ABORT 0x06
! 162: #define MSG_REJECT 0x07
! 163: #define MSG_NOOP 0x08
! 164: #define MSG_PARITY_ERROR 0x09
! 165: #define MSG_BUS_DEVICE_RESET 0x0C
! 166: #define MSG_IDENTIFY 0x80
! 167: #define MSG_IDENTIFY_DR 0xc0 /* (disconnect/reconnect allowed) */
! 168: #define MSG_SYNC_REQ 0x01
! 169:
! 170: /* SCSI Commands */
! 171:
! 172: #define CMD_TEST_UNIT_READY 0x00
! 173: #define CMD_REQUEST_SENSE 0x03
! 174: #define CMD_INQUIRY 0x12
! 175: #define CMD_SEND_DIAGNOSTIC 0x1D
! 176:
! 177: #define CMD_REWIND 0x01
! 178: #define CMD_REZERO 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: * Control for SCSI "format" mode.
! 449: *
! 450: * "Format" mode allows a privileged process to issue direct SCSI
! 451: * commands to a drive (it is intended primarily to allow on-line
! 452: * formatting). SDIOCSFORMAT with a non-zero arg will put the drive
! 453: * into format mode; a zero arg will take it out. When in format
! 454: * mode, only the process that issued the SDIOCFORMAT can read or
! 455: * write the drive.
! 456: *
! 457: * In format mode, process is expected to
! 458: * - do SDIOCSCSICOMMAND to supply cdb for next SCSI op
! 459: * - do read or write as appropriate for cdb
! 460: * - if i/o error, optionally do SDIOCSENSE to get completion
! 461: * status and sense data from last scsi operation.
! 462: */
! 463:
! 464: struct scsi_fmt_cdb {
! 465: int len; /* cdb length (in bytes) */
! 466: u_char cdb[28]; /* cdb to use on next read/write */
! 467: };
! 468:
! 469: struct scsi_fmt_sense {
! 470: u_int status; /* completion status of last op */
! 471: u_char sense[28]; /* sense data (if any) from last op */
! 472: };
! 473:
! 474: #define SDIOCSFORMAT _IOW('S', 0x1, int)
! 475: #define SDIOCGFORMAT _IOR('S', 0x2, int)
! 476: #define SDIOCSCSICOMMAND _IOW('S', 0x3, struct scsi_fmt_cdb)
! 477: #define SDIOCSENSE _IOR('S', 0x4, struct scsi_fmt_sense)
! 478:
! 479: int scsialive(int);
! 480: int scsi_read_capacity(int, int, u_char *, u_int);
! 481: int scsi_test_unit_rdy(int, int);
! 482: int scsi_tt_read(int, int, u_char *, u_int, daddr_t, u_int);
! 483: int scsi_tt_write(int, int, u_char *, u_int, daddr_t, u_int);
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