1 /* 2 * Copyright (c) 1982, 1986 Regents of the University of California. 3 * All rights reserved. The Berkeley software License Agreement 4 * specifies the terms and conditions for redistribution. 5 * 6 * @(#)hp.c 7.22 (Berkeley) 04/10/91 7 */ 8 9 #ifdef HPDEBUG 10 int hpdebug; 11 #endif 12 #ifdef HPBDEBUG 13 int hpbdebug; 14 #endif 15 16 #include "hp.h" 17 #if NHP > 0 18 /* 19 * HP disk driver for RP0x+RMxx+ML11 20 * 21 * TODO: 22 * see if DCLR and/or RELEASE set attention status 23 */ 24 #include "sys/param.h" 25 #include "sys/systm.h" 26 #include "sys/dkstat.h" 27 #include "sys/buf.h" 28 #include "sys/conf.h" 29 #include "sys/file.h" 30 #include "sys/user.h" 31 #include "sys/map.h" 32 #include "../include/mtpr.h" 33 #include "sys/vm.h" 34 #include "sys/cmap.h" 35 #include "sys/dkbad.h" 36 #include "sys/disklabel.h" 37 #include "sys/ioctl.h" 38 #include "sys/syslog.h" 39 #include "sys/stat.h" 40 41 #include "../include/pte.h" 42 #include "mbareg.h" 43 #include "mbavar.h" 44 #include "hpreg.h" 45 46 #define COMPAT_42 47 #define B_FORMAT B_XXX 48 49 /* 50 * Table of supported Massbus drive types. 51 * When using unlabeled packs, slot numbers here 52 * are used as indices into the partition tables. 53 * Slots are left for those drives divined from other means 54 * (e.g. SI, AMPEX, etc.). 55 */ 56 short hptypes[] = { 57 #define HPDT_RM03 0 58 MBDT_RM03, 59 #define HPDT_RM05 1 60 MBDT_RM05, 61 #define HPDT_RP06 2 62 MBDT_RP06, 63 #define HPDT_RM80 3 64 MBDT_RM80, 65 #define HPDT_RP04 4 66 MBDT_RP04, 67 #define HPDT_RP05 5 68 MBDT_RP05, 69 #define HPDT_RP07 6 70 MBDT_RP07, 71 #define HPDT_ML11A 7 72 MBDT_ML11A, 73 #define HPDT_ML11B 8 74 MBDT_ML11B, 75 #define HPDT_9775 9 76 -1, 77 #define HPDT_9730 10 78 -1, 79 #define HPDT_CAPRICORN 11 80 -1, 81 #define HPDT_EAGLE 12 82 -1, 83 #define HPDT_9300 13 84 -1, 85 #define HPDT_RM02 14 86 MBDT_RM02, /* beware, actually mapped */ 87 #define HPDT_2361 15 88 -1, 89 #define HPDT_2361A 16 90 -1, 91 0 92 }; 93 94 struct mba_device *hpinfo[NHP]; 95 int hpattach(),hpustart(),hpstart(),hpdtint(),hpstrategy(); 96 struct mba_driver hpdriver = 97 { hpattach, 0, hpustart, hpstart, hpdtint, 0, 98 hptypes, "hp", 0, hpinfo }; 99 100 u_char hp_offset[16] = { 101 HPOF_P400, HPOF_M400, HPOF_P400, HPOF_M400, 102 HPOF_P800, HPOF_M800, HPOF_P800, HPOF_M800, 103 HPOF_P1200, HPOF_M1200, HPOF_P1200, HPOF_M1200, 104 0, 0, 0, 0, 105 }; 106 107 struct disklabel hplabel[NHP]; 108 struct dkbad hpbad[NHP]; 109 110 struct hpsoftc { 111 u_char sc_recal; /* recalibrate state */ 112 u_char sc_doseeks; /* perform explicit seeks */ 113 #ifdef COMPAT_42 114 u_char sc_hdr; /* next i/o includes header */ 115 #endif 116 int sc_state; /* open fsm */ 117 int sc_wlabel; /* label sector is currently writable */ 118 u_long sc_openpart; /* bit mask of open subunits */ 119 u_long sc_copenpart; /* bit mask of open character subunits */ 120 u_long sc_bopenpart; /* bit mask of open block subunits */ 121 daddr_t sc_mlsize; /* ML11 size */ 122 int sc_blkdone; /* amount sucessfully transfered */ 123 daddr_t sc_badbn; /* replacement block number */ 124 int sc_status; /* copy of drive status reg. after format */ 125 int sc_hpds; /* copy of hpds reg. after format */ 126 int sc_er1; /* copy of error reg. 1 after format */ 127 int sc_er2; /* copy of error reg. 2 after format */ 128 } hpsoftc[NHP]; 129 130 /* 131 * Drive states. Used during steps of open/initialization. 132 * States < OPEN (> 0) are transient, during an open operation. 133 * OPENRAW is used for unlabeled disks, 134 * to inhibit bad-sector forwarding or allow format operations. 135 */ 136 #define CLOSED 0 /* disk is closed. */ 137 #define WANTOPEN 1 /* open requested, not started */ 138 #define WANTOPENRAW 2 /* open requested, no label */ 139 #define RDLABEL 3 /* reading pack label */ 140 #define RDBADTBL 4 /* reading bad-sector table */ 141 #define OPEN 5 /* initialized and ready */ 142 #define OPENRAW 6 /* open, no label or badsect */ 143 144 #define b_cylin b_resid 145 146 /* #define ML11 0 to remove ML11 support */ 147 #define ML11(type) ((type) == HPDT_ML11A) 148 #define RP06(type) (hptypes[type] <= MBDT_RP06) 149 #define RM80(type) ((type) == HPDT_RM80) 150 151 #define hpunit(dev) (minor(dev) >> 3) 152 #define hppart(dev) (minor(dev) & 07) 153 #define hpminor(unit, part) (((unit) << 3) | (part)) 154 155 #define MASKREG(reg) ((reg)&0xffff) 156 #ifdef lint 157 #define HPWAIT(mi, addr) (hpwait(mi)) 158 #else 159 #define HPWAIT(mi, addr) (((addr)->hpds & HPDS_DRY) || hpwait(mi)) 160 #endif 161 162 /*ARGSUSED*/ 163 hpattach(mi, slave) 164 struct mba_device *mi; 165 { 166 register int unit = mi->mi_unit; 167 extern int cold; 168 169 if (cold) { 170 /* 171 * Try to initialize device and read pack label. 172 */ 173 if (hpinit(hpminor(unit, 0), 0) == 0) { 174 printf(": %s", hplabel[unit].d_typename); 175 #ifdef notyet 176 addswap(makedev(HPMAJOR, hpminor(unit, 0)), 177 &hplabel[unit]); 178 #endif 179 } else 180 printf(": offline"); 181 } 182 } 183 184 hpopen(dev, flags, fmt) 185 dev_t dev; 186 int flags, fmt; 187 { 188 register int unit = hpunit(dev); 189 register struct hpsoftc *sc; 190 register struct disklabel *lp; 191 register struct partition *pp; 192 struct mba_device *mi; 193 int s, error, part = hppart(dev), mask = 1 << part; 194 daddr_t start, end; 195 196 if (unit >= NHP || (mi = hpinfo[unit]) == 0 || mi->mi_alive == 0) 197 return (ENXIO); 198 sc = &hpsoftc[unit]; 199 lp = &hplabel[unit]; 200 201 s = spl5(); 202 while (sc->sc_state != OPEN && sc->sc_state != OPENRAW && 203 sc->sc_state != CLOSED) 204 if (error = tsleep((caddr_t)sc, (PZERO+1) | PCATCH, 205 devopn, 0)) { 206 splx(s); 207 return (error); 208 } 209 splx(s); 210 if (sc->sc_state != OPEN && sc->sc_state != OPENRAW) 211 if (error = hpinit(dev, flags)) 212 return (error); 213 if (part >= lp->d_npartitions) 214 return (ENXIO); 215 /* 216 * Warn if a partion is opened 217 * that overlaps another partition which is open 218 * unless one is the "raw" partition (whole disk). 219 */ 220 #define RAWPART 2 /* 'c' partition */ /* XXX */ 221 if ((sc->sc_openpart & mask) == 0 && part != RAWPART) { 222 pp = &lp->d_partitions[part]; 223 start = pp->p_offset; 224 end = pp->p_offset + pp->p_size; 225 for (pp = lp->d_partitions; 226 pp < &lp->d_partitions[lp->d_npartitions]; pp++) { 227 if (pp->p_offset + pp->p_size <= start || 228 pp->p_offset >= end) 229 continue; 230 if (pp - lp->d_partitions == RAWPART) 231 continue; 232 if (sc->sc_openpart & (1 << (pp - lp->d_partitions))) 233 log(LOG_WARNING, 234 "hp%d%c: overlaps open partition (%c)\n", 235 unit, part + 'a', 236 pp - lp->d_partitions + 'a'); 237 } 238 } 239 switch (fmt) { 240 case S_IFCHR: 241 sc->sc_copenpart |= mask; 242 break; 243 case S_IFBLK: 244 sc->sc_bopenpart |= mask; 245 break; 246 } 247 sc->sc_openpart |= mask; 248 return (0); 249 } 250 251 /* ARGSUSED */ 252 hpclose(dev, flags, fmt) 253 dev_t dev; 254 int flags, fmt; 255 { 256 register int unit = hpunit(dev); 257 register struct hpsoftc *sc; 258 struct mba_device *mi; 259 int s, mask = 1 << hppart(dev); 260 261 sc = &hpsoftc[unit]; 262 mi = hpinfo[unit]; 263 switch (fmt) { 264 case S_IFCHR: 265 sc->sc_copenpart &= ~mask; 266 break; 267 case S_IFBLK: 268 sc->sc_bopenpart &= ~mask; 269 break; 270 } 271 sc->sc_openpart = sc->sc_copenpart | sc->sc_bopenpart; 272 273 /* 274 * Should wait for I/O to complete on this partition 275 * even if others are open, but wait for work on blkflush(). 276 */ 277 if (sc->sc_openpart == 0) { 278 s = spl5(); 279 while (mi->mi_tab.b_actf) 280 sleep((caddr_t)sc, PZERO - 1); 281 splx(s); 282 sc->sc_state = CLOSED; 283 sc->sc_wlabel = 0; 284 } 285 return (0); 286 } 287 288 hpinit(dev, flags) 289 dev_t dev; 290 int flags; 291 { 292 register struct hpsoftc *sc; 293 register struct buf *bp; 294 register struct disklabel *lp; 295 struct mba_device *mi; 296 struct hpdevice *hpaddr; 297 struct dkbad *db; 298 char *msg, *readdisklabel(); 299 int unit, i, error = 0; 300 301 unit = hpunit(dev); 302 sc = &hpsoftc[unit]; 303 lp = &hplabel[unit]; 304 mi = hpinfo[unit]; 305 hpaddr = (struct hpdevice *)mi->mi_drv; 306 307 sc->sc_state = WANTOPEN; 308 /* 309 * Use the default sizes until we've read the label, 310 * or longer if there isn't one there. 311 */ 312 if (lp->d_secpercyl == 0) { 313 lp->d_secsize = DEV_BSIZE; 314 lp->d_nsectors = 32; 315 lp->d_ntracks = 20; 316 lp->d_secpercyl = 32*20; 317 lp->d_npartitions = 1; 318 lp->d_partitions[0].p_offset = 0; 319 lp->d_partitions[0].p_size = LABELSECTOR + 1; 320 } 321 322 if (flags & O_NDELAY) 323 goto raw; 324 325 /* 326 * Map all ML11's to the same type. Also calculate 327 * transfer rates based on device characteristics. 328 * Set up dummy label with all that's needed. 329 */ 330 if (mi->mi_type == MBDT_ML11A || mi->mi_type == MBDT_ML11B) { 331 register int trt; 332 333 sc->sc_mlsize = hpaddr->hpmr & HPMR_SZ; 334 if ((hpaddr->hpmr & HPMR_ARRTYP) == 0) 335 sc->sc_mlsize >>= 2; 336 if (mi->mi_dk >= 0) { 337 trt = (hpaddr->hpmr & HPMR_TRT) >> 8; 338 dk_wpms[mi->mi_dk] = (1<<(20-trt)); 339 } 340 mi->mi_type = MBDT_ML11A; 341 lp->d_partitions[0].p_size = sc->sc_mlsize; 342 lp->d_secpercyl = sc->sc_mlsize; 343 goto raw; 344 } 345 346 /* 347 * Preset, pack acknowledge will be done in hpstart 348 * during first read operation. 349 */ 350 if (msg = readdisklabel(dev, hpstrategy, lp)) { 351 if (cold) 352 printf(": %s", msg); 353 else 354 log(LOG_ERR, "hp%d: %s\n", unit, msg); 355 #ifdef COMPAT_42 356 if (hpmaptype(mi, lp) == 0) 357 #endif 358 goto raw; 359 } 360 361 /* 362 * Seconds per word = (60 / rpm) / (nsectors * secsize/2) 363 */ 364 if (mi->mi_dk >= 0 && lp->d_rpm) 365 dk_wpms[mi->mi_dk] = 366 (lp->d_rpm * lp->d_nsectors * lp->d_secsize) / 120; 367 /* 368 * Read bad sector table into memory. 369 */ 370 bp = geteblk(DEV_BSIZE); /* max sector size */ 371 bp->b_dev = dev; 372 sc->sc_state = RDBADTBL; 373 i = 0; 374 do { 375 bp->b_flags = B_BUSY | B_READ; 376 bp->b_blkno = lp->d_secperunit - lp->d_nsectors + i; 377 bp->b_bcount = lp->d_secsize; 378 bp->b_cylin = lp->d_ncylinders - 1; 379 hpstrategy(bp); 380 (void) biowait(bp); 381 } while ((bp->b_flags & B_ERROR) && (i += 2) < 10 && 382 i < lp->d_nsectors); 383 db = (struct dkbad *)(bp->b_un.b_addr); 384 if ((bp->b_flags & B_ERROR) == 0 && db->bt_mbz == 0 && 385 db->bt_flag == 0) { 386 hpbad[unit] = *db; 387 } else 388 log(LOG_ERR, "hp%d: %s bad-sector file\n", unit, 389 (bp->b_flags & B_ERROR) ? "can't read" : "format error in"); 390 sc->sc_state = OPEN; 391 bp->b_flags = B_INVAL | B_AGE; 392 brelse(bp); 393 wakeup((caddr_t)sc); 394 return (error); 395 396 raw: 397 if (cold) 398 sc->sc_state = CLOSED; 399 else { 400 sc->sc_state = OPENRAW; 401 wakeup((caddr_t)sc); 402 } 403 return (error); 404 } 405 406 hpstrategy(bp) 407 register struct buf *bp; 408 { 409 register struct mba_device *mi; 410 register struct disklabel *lp; 411 register struct hpsoftc *sc; 412 register int unit; 413 daddr_t sz, maxsz; 414 int xunit = hppart(bp->b_dev); 415 int s; 416 417 sz = (bp->b_bcount + DEV_BSIZE - 1) >> DEV_BSHIFT; 418 unit = hpunit(bp->b_dev); 419 if (unit >= NHP) { 420 bp->b_error = ENXIO; 421 goto bad; 422 } 423 mi = hpinfo[unit]; 424 sc = &hpsoftc[unit]; 425 lp = &hplabel[unit]; 426 if (mi == 0 || mi->mi_alive == 0) { 427 bp->b_error = ENXIO; 428 goto bad; 429 } 430 #ifdef COMPAT_42 431 if (sc->sc_hdr) { /* XXX */ 432 if (bp->b_bcount == 516) 433 bp->b_flags |= B_FORMAT; 434 sc->sc_hdr = 0; 435 } 436 #endif 437 if (sc->sc_state < OPEN) 438 goto q; 439 if (sc->sc_state != OPEN && (bp->b_flags & (B_READ|B_FORMAT)) == 0) { 440 bp->b_error = EROFS; 441 goto bad; 442 } 443 if ((sc->sc_openpart & (1 << xunit)) == 0) { 444 bp->b_error = ENODEV; 445 goto bad; 446 } 447 maxsz = lp->d_partitions[xunit].p_size; 448 if (bp->b_blkno + lp->d_partitions[xunit].p_offset <= LABELSECTOR && 449 #if LABELSECTOR != 0 450 bp->b_blkno + lp->d_partitions[xunit].p_offset + sz > LABELSECTOR && 451 #endif 452 (bp->b_flags & B_READ) == 0 && sc->sc_wlabel == 0) { 453 bp->b_error = EROFS; 454 goto bad; 455 } 456 if (bp->b_blkno < 0 || bp->b_blkno + sz > maxsz) { 457 if (bp->b_blkno == maxsz) { 458 bp->b_resid = bp->b_bcount; 459 goto done; 460 } 461 sz = maxsz - bp->b_blkno; 462 if (sz <= 0) { 463 bp->b_error = EINVAL; 464 goto bad; 465 } 466 bp->b_bcount = sz << DEV_BSHIFT; 467 } 468 bp->b_cylin = (bp->b_blkno + lp->d_partitions[xunit].p_offset) / 469 lp->d_secpercyl; 470 q: 471 s = spl5(); 472 disksort(&mi->mi_tab, bp); 473 if (mi->mi_tab.b_active == 0) 474 mbustart(mi); 475 splx(s); 476 return; 477 478 bad: 479 bp->b_flags |= B_ERROR; 480 done: 481 biodone(bp); 482 return; 483 } 484 485 hpustart(mi) 486 register struct mba_device *mi; 487 { 488 register struct hpdevice *hpaddr = (struct hpdevice *)mi->mi_drv; 489 register struct buf *bp = mi->mi_tab.b_actf; 490 register struct disklabel *lp; 491 struct hpsoftc *sc = &hpsoftc[mi->mi_unit]; 492 daddr_t bn; 493 int sn, tn, dist; 494 495 lp = &hplabel[mi->mi_unit]; 496 hpaddr->hpcs1 = 0; 497 if ((hpaddr->hpcs1&HP_DVA) == 0) 498 return (MBU_BUSY); 499 500 switch (sc->sc_recal) { 501 502 case 1: 503 (void)HPWAIT(mi, hpaddr); 504 hpaddr->hpdc = bp->b_cylin; 505 hpaddr->hpcs1 = HP_SEEK|HP_GO; 506 sc->sc_recal++; 507 return (MBU_STARTED); 508 case 2: 509 break; 510 } 511 sc->sc_recal = 0; 512 if ((hpaddr->hpds & HPDS_VV) == 0) { 513 if (sc->sc_state == OPEN && lp->d_flags & D_REMOVABLE) { 514 if (sc->sc_openpart) 515 log(LOG_ERR, "hp%d: volume changed\n", 516 mi->mi_unit); 517 sc->sc_openpart = 0; 518 bp->b_flags |= B_ERROR; 519 return (MBU_NEXT); 520 } 521 hpaddr->hpcs1 = HP_DCLR|HP_GO; 522 if (mi->mi_mba->mba_drv[0].mbd_as & (1<<mi->mi_drive)) 523 printf("DCLR attn\n"); 524 hpaddr->hpcs1 = HP_PRESET|HP_GO; 525 if (!ML11(mi->mi_type)) 526 hpaddr->hpof = HPOF_FMT22; 527 mbclrattn(mi); 528 if (sc->sc_state == WANTOPENRAW) { 529 sc->sc_state = OPENRAW; 530 return (MBU_NEXT); 531 } 532 if (sc->sc_state == WANTOPEN) 533 sc->sc_state = RDLABEL; 534 } 535 if (mi->mi_tab.b_active || mi->mi_hd->mh_ndrive == 1) { 536 if (mi->mi_tab.b_errcnt >= 16 && (bp->b_flags & B_READ)) { 537 hpaddr->hpof = 538 hp_offset[mi->mi_tab.b_errcnt & 017]|HPOF_FMT22; 539 hpaddr->hpcs1 = HP_OFFSET|HP_GO; 540 (void)HPWAIT(mi, hpaddr); 541 mbclrattn(mi); 542 } 543 return (MBU_DODATA); 544 } 545 if (ML11(mi->mi_type)) 546 return (MBU_DODATA); 547 if ((hpaddr->hpds & HPDS_DREADY) != HPDS_DREADY) 548 return (MBU_DODATA); 549 bn = bp->b_blkno; 550 sn = bn % lp->d_secpercyl; 551 tn = sn / lp->d_nsectors; 552 sn = sn % lp->d_nsectors; 553 if (bp->b_cylin == MASKREG(hpaddr->hpdc)) { 554 if (sc->sc_doseeks) 555 return (MBU_DODATA); 556 dist = sn - (MASKREG(hpaddr->hpla) >> 6) - 1; 557 if (dist < 0) 558 dist += lp->d_nsectors; 559 if (dist <= lp->d_maxdist && dist >= lp->d_mindist) 560 return (MBU_DODATA); 561 } else 562 hpaddr->hpdc = bp->b_cylin; 563 if (sc->sc_doseeks) 564 hpaddr->hpcs1 = HP_SEEK|HP_GO; 565 else { 566 sn = (sn + lp->d_nsectors - lp->d_sdist) % lp->d_nsectors; 567 hpaddr->hpda = (tn << 8) + sn; 568 hpaddr->hpcs1 = HP_SEARCH|HP_GO; 569 } 570 return (MBU_STARTED); 571 } 572 573 hpstart(mi) 574 register struct mba_device *mi; 575 { 576 register struct hpdevice *hpaddr = (struct hpdevice *)mi->mi_drv; 577 register struct buf *bp = mi->mi_tab.b_actf; 578 register struct disklabel *lp = &hplabel[mi->mi_unit]; 579 struct hpsoftc *sc = &hpsoftc[mi->mi_unit]; 580 daddr_t bn; 581 int sn, tn, cn; 582 583 if (ML11(mi->mi_type)) 584 hpaddr->hpda = bp->b_blkno + sc->sc_blkdone; 585 else { 586 if (bp->b_flags & B_BAD) { 587 bn = sc->sc_badbn; 588 cn = bn / lp->d_secpercyl; 589 } else { 590 bn = bp->b_blkno; 591 cn = bp->b_cylin; 592 } 593 sn = bn % lp->d_secpercyl; 594 if ((bp->b_flags & B_BAD) == 0) 595 sn += sc->sc_blkdone; 596 tn = sn / lp->d_nsectors; 597 sn %= lp->d_nsectors; 598 cn += tn / lp->d_ntracks; 599 tn %= lp->d_ntracks; 600 hpaddr->hpda = (tn << 8) + sn; 601 hpaddr->hpdc = cn; 602 } 603 mi->mi_tab.b_bdone = dbtob(sc->sc_blkdone); 604 if (bp->b_flags & B_FORMAT) { 605 if (bp->b_flags & B_READ) 606 return (HP_RHDR|HP_GO); 607 else 608 return (HP_WHDR|HP_GO); 609 } 610 return (0); 611 } 612 613 hpdtint(mi, mbsr) 614 register struct mba_device *mi; 615 int mbsr; 616 { 617 register struct hpdevice *hpaddr = (struct hpdevice *)mi->mi_drv; 618 register struct buf *bp = mi->mi_tab.b_actf; 619 register int er1, er2; 620 struct hpsoftc *sc = &hpsoftc[mi->mi_unit]; 621 int retry = 0; 622 int npf, bcr; 623 624 bcr = MASKREG(-mi->mi_mba->mba_bcr); 625 if (bp->b_flags & B_FORMAT) { 626 sc->sc_status = mbsr; 627 sc->sc_hpds = hpaddr->hpds; 628 sc->sc_er1 = hpaddr->hper1; 629 sc->sc_er2 = hpaddr->hper2; 630 } 631 if (hpaddr->hpds&HPDS_ERR || mbsr&MBSR_EBITS) { 632 er1 = hpaddr->hper1; 633 er2 = hpaddr->hper2; 634 if (bp->b_flags & B_BAD) 635 npf = bp->b_error; 636 else { 637 npf = btodb(bp->b_bcount + (DEV_BSIZE - 1) - bcr); 638 if (er1 & (HPER1_DCK | HPER1_ECH)) 639 npf--; 640 } 641 if (HPWAIT(mi, hpaddr) == 0) 642 goto hard; 643 #ifdef HPDEBUG 644 if (hpdebug) { 645 int dc = hpaddr->hpdc, da = hpaddr->hpda; 646 daddr_t bn; 647 648 if (bp->b_flags & B_BAD) 649 bn = sc->sc_badbn; 650 else 651 bn = bp->b_blkno + npf; 652 log(LOG_DEBUG, 653 "hperr: bp %x cyl %d blk %d blkdone %d as %o dc %x da %x\n", 654 bp, bp->b_cylin, bn, sc->sc_blkdone, 655 hpaddr->hpas&0xff, MASKREG(dc), MASKREG(da)); 656 log(LOG_DEBUG, 657 "errcnt %d mbsr=%b er1=%b er2=%b bcr -%d\n", 658 mi->mi_tab.b_errcnt, mbsr, mbsr_bits, 659 MASKREG(er1), HPER1_BITS, 660 MASKREG(er2), HPER2_BITS, bcr); 661 } 662 #endif 663 if (er1 & HPER1_HCRC) { 664 er1 &= ~(HPER1_HCE|HPER1_FER); 665 er2 &= ~HPER2_BSE; 666 } 667 if (er1 & HPER1_WLE) { 668 log(LOG_WARNING, "hp%d: write locked\n", 669 hpunit(bp->b_dev)); 670 bp->b_flags |= B_ERROR; 671 } else if (bp->b_flags & B_FORMAT) { 672 bp->b_flags |= B_ERROR; 673 } else if (RM80(mi->mi_type) && er2&HPER2_SSE) { 674 (void) hpecc(mi, SSE); 675 return (MBD_RESTARTED); 676 } else if ((er2 & HPER2_BSE) && !ML11(mi->mi_type)) { 677 if (hpecc(mi, BSE)) 678 return (MBD_RESTARTED); 679 goto hard; 680 } else if (MASKREG(er1) == HPER1_FER && RP06(mi->mi_type)) { 681 if (hpecc(mi, BSE)) 682 return (MBD_RESTARTED); 683 goto hard; 684 } else if ((er1 & (HPER1_DCK | HPER1_ECH)) == HPER1_DCK && 685 mi->mi_tab.b_errcnt >= 3) { 686 if (hpecc(mi, ECC)) 687 return (MBD_RESTARTED); 688 /* 689 * ECC corrected. Only log retries below 690 * if we got errors other than soft ECC 691 * (as indicated by additional retries). 692 */ 693 if (mi->mi_tab.b_errcnt == 3) 694 mi->mi_tab.b_errcnt = 0; 695 } else if ((er1 & HPER1_HCRC) && !ML11(mi->mi_type) && 696 hpecc(mi, BSE)) { 697 /* 698 * HCRC means the header is screwed up and the sector 699 * might well exist in the bad sector table, 700 * better check.... 701 */ 702 return (MBD_RESTARTED); 703 } else if (++mi->mi_tab.b_errcnt > 27 || 704 (ML11(mi->mi_type) && mi->mi_tab.b_errcnt > 15) || 705 mbsr & MBSR_HARD || 706 er1 & HPER1_HARD || 707 (!ML11(mi->mi_type) && (er2 & HPER2_HARD))) { 708 hard: 709 diskerr(bp, "hp", "hard error", LOG_PRINTF, npf, 710 &hplabel[mi->mi_unit]); 711 if (bp->b_flags & B_BAD) 712 printf(" (on replacement sector %d)", 713 sc->sc_badbn); 714 if (mbsr & (MBSR_EBITS &~ (MBSR_DTABT|MBSR_MBEXC))) 715 printf(" mbsr=%b", mbsr, mbsr_bits); 716 printf(" er1=%b er2=%b ds=%b\n", 717 MASKREG(hpaddr->hper1), HPER1_BITS, 718 MASKREG(hpaddr->hper2), HPER2_BITS, 719 MASKREG(hpaddr->hpds), HPDS_BITS); 720 bp->b_flags |= B_ERROR; 721 bp->b_flags &= ~B_BAD; 722 } else 723 retry = 1; 724 hpaddr->hpcs1 = HP_DCLR|HP_GO; 725 if (retry && (mi->mi_tab.b_errcnt & 07) == 4) { 726 hpaddr->hpcs1 = HP_RECAL|HP_GO; 727 sc->sc_recal = 1; 728 return (MBD_REPOSITION); 729 } 730 } 731 #ifdef HPDEBUG 732 else 733 if (hpdebug && sc->sc_recal) { 734 log(LOG_DEBUG, 735 "recal %d errcnt %d mbsr=%b er1=%b er2=%b\n", 736 sc->sc_recal, mi->mi_tab.b_errcnt, mbsr, mbsr_bits, 737 hpaddr->hper1, HPER1_BITS, 738 hpaddr->hper2, HPER2_BITS); 739 } 740 #endif 741 (void)HPWAIT(mi, hpaddr); 742 if (retry) 743 return (MBD_RETRY); 744 if (mi->mi_tab.b_errcnt >= 16) { 745 /* 746 * This is fast and occurs rarely; we don't 747 * bother with interrupts. 748 */ 749 hpaddr->hpcs1 = HP_RTC|HP_GO; 750 (void)HPWAIT(mi, hpaddr); 751 mbclrattn(mi); 752 } 753 if (mi->mi_tab.b_errcnt && (bp->b_flags & B_ERROR) == 0) { 754 diskerr(bp, "hp", "retries", LOG_INFO, sc->sc_blkdone, 755 &hplabel[mi->mi_unit]); 756 addlog(": %d retries\n", mi->mi_tab.b_errcnt); 757 } 758 if ((bp->b_flags & B_BAD) && hpecc(mi, CONT)) 759 return (MBD_RESTARTED); 760 sc->sc_blkdone = 0; 761 bp->b_resid = bcr; 762 if (!ML11(mi->mi_type)) { 763 hpaddr->hpof = HPOF_FMT22; 764 hpaddr->hpcs1 = HP_RELEASE|HP_GO; 765 } 766 if (sc->sc_openpart == 0) 767 wakeup((caddr_t)sc); 768 return (MBD_DONE); 769 } 770 771 /* 772 * Wait (for a bit) for a drive to come ready; 773 * returns nonzero on success. 774 */ 775 hpwait(mi) 776 register struct mba_device *mi; 777 { 778 register struct hpdevice *hpaddr = (struct hpdevice *)mi->mi_drv; 779 register i = 100000; 780 781 while ((hpaddr->hpds & HPDS_DRY) == 0 && --i) 782 DELAY(10); 783 if (i == 0) 784 printf("hp%d: intr, not ready\n", mi->mi_unit); 785 return (i); 786 } 787 788 hpioctl(dev, cmd, data, flag) 789 dev_t dev; 790 int cmd; 791 caddr_t data; 792 int flag; 793 { 794 int unit = hpunit(dev); 795 register struct disklabel *lp; 796 register struct hpsoftc *sc = &hpsoftc[unit]; 797 int error = 0; 798 int hpformat(); 799 800 lp = &hplabel[unit]; 801 802 switch (cmd) { 803 804 case DIOCGDINFO: 805 *(struct disklabel *)data = *lp; 806 break; 807 808 case DIOCGPART: 809 ((struct partinfo *)data)->disklab = lp; 810 ((struct partinfo *)data)->part = 811 &lp->d_partitions[hppart(dev)]; 812 break; 813 814 case DIOCSDINFO: 815 if ((flag & FWRITE) == 0) 816 error = EBADF; 817 else 818 error = setdisklabel(lp, (struct disklabel *)data, 819 (sc->sc_state == OPENRAW) ? 0 : sc->sc_openpart); 820 if (error == 0) 821 sc->sc_state = OPEN; 822 break; 823 824 case DIOCWLABEL: 825 if ((flag & FWRITE) == 0) 826 error = EBADF; 827 else 828 sc->sc_wlabel = *(int *)data; 829 break; 830 831 case DIOCWDINFO: 832 if ((flag & FWRITE) == 0) 833 error = EBADF; 834 else if ((error = setdisklabel(lp, (struct disklabel *)data, 835 (sc->sc_state == OPENRAW) ? 0 : sc->sc_openpart)) == 0) { 836 int wlab; 837 838 sc->sc_state = OPEN; 839 /* simulate opening partition 0 so write succeeds */ 840 sc->sc_openpart |= (1 << 0); /* XXX */ 841 wlab = sc->sc_wlabel; 842 sc->sc_wlabel = 1; 843 error = writedisklabel(dev, hpstrategy, lp); 844 sc->sc_openpart = sc->sc_copenpart | sc->sc_bopenpart; 845 sc->sc_wlabel = wlab; 846 } 847 break; 848 849 case DIOCSBAD: 850 { 851 struct dkbad *db = (struct dkbad *)data; 852 853 if ((flag & FWRITE) == 0) 854 error = EBADF; 855 else if (db->bt_mbz != 0 || db->bt_flag != 0) 856 error = EINVAL; 857 else 858 hpbad[unit] = *db; 859 break; 860 } 861 862 case DIOCRFORMAT: 863 case DIOCWFORMAT: 864 { 865 register struct format_op *fop; 866 struct uio auio; 867 struct iovec aiov; 868 869 if (cmd == DIOCWFORMAT && (flag & FWRITE) == 0) { 870 error = EBADF; 871 break; 872 } 873 fop = (struct format_op *)data; 874 aiov.iov_base = fop->df_buf; 875 aiov.iov_len = fop->df_count; 876 auio.uio_iov = &aiov; 877 auio.uio_iovcnt = 1; 878 auio.uio_resid = fop->df_count; 879 auio.uio_segflg = UIO_USERSPACE; 880 auio.uio_offset = fop->df_startblk * lp->d_secsize; 881 /* 882 * Don't return errors, as the format op won't get copied 883 * out if we return nonzero. Callers must check the returned 884 * count. 885 */ 886 (void) physio(hpformat, (struct buf *)NULL, dev, 887 (cmd == DIOCWFORMAT ? B_WRITE : B_READ), minphys, &auio); 888 fop->df_count -= auio.uio_resid; 889 fop->df_reg[0] = sc->sc_status; 890 fop->df_reg[1] = sc->sc_hpds; 891 fop->df_reg[2] = sc->sc_er1; 892 fop->df_reg[3] = sc->sc_er2; 893 break; 894 } 895 896 default: 897 error = ENOTTY; 898 break; 899 } 900 return (error); 901 } 902 903 hpformat(bp) 904 struct buf *bp; 905 { 906 bp->b_flags |= B_FORMAT; 907 hpstrategy(bp); 908 } 909 910 hpecc(mi, flag) 911 register struct mba_device *mi; 912 int flag; 913 { 914 register struct mba_regs *mbp = mi->mi_mba; 915 register struct hpdevice *rp = (struct hpdevice *)mi->mi_drv; 916 register struct buf *bp = mi->mi_tab.b_actf; 917 register struct disklabel *lp = &hplabel[mi->mi_unit]; 918 struct hpsoftc *sc = &hpsoftc[mi->mi_unit]; 919 int npf, o; 920 int bn, cn, tn, sn; 921 int bcr; 922 923 bcr = MASKREG(-mbp->mba_bcr); 924 if (bp->b_flags & B_BAD) 925 npf = bp->b_error; 926 else { 927 npf = bp->b_bcount - bcr; 928 /* 929 * Watch out for fractional sector at end of transfer; 930 * want to round up if finished, otherwise round down. 931 */ 932 if (bcr == 0) 933 npf += 511; 934 npf = btodb(npf); 935 } 936 o = (int)bp->b_un.b_addr & PGOFSET; 937 bn = bp->b_blkno; 938 cn = bp->b_cylin; 939 sn = bn % lp->d_secpercyl + npf; 940 tn = sn / lp->d_nsectors; 941 sn %= lp->d_nsectors; 942 cn += tn / lp->d_ntracks; 943 tn %= lp->d_ntracks; 944 bn += npf; 945 switch (flag) { 946 case ECC: { 947 register int i; 948 caddr_t addr; 949 struct pte mpte; 950 int bit, byte, mask; 951 952 npf--; /* because block in error is previous block */ 953 diskerr(bp, "hp", "soft ecc", LOG_WARNING, npf, lp); 954 if (bp->b_flags & B_BAD) 955 addlog(" (on replacement sector %d)", sc->sc_badbn); 956 addlog("\n"); 957 mask = MASKREG(rp->hpec2); 958 i = MASKREG(rp->hpec1) - 1; /* -1 makes 0 origin */ 959 bit = i&07; 960 i = (i&~07)>>3; 961 byte = i + o; 962 while (i < 512 && (int)dbtob(npf)+i < bp->b_bcount && bit > -11) { 963 mpte = mbp->mba_map[npf+btop(byte)]; 964 addr = ptob(mpte.pg_pfnum) + (byte & PGOFSET); 965 putmemc(addr, getmemc(addr)^(mask<<bit)); 966 byte++; 967 i++; 968 bit -= 8; 969 } 970 if (bcr == 0) 971 return (0); 972 npf++; 973 break; 974 } 975 976 case SSE: 977 rp->hpof |= HPOF_SSEI; 978 if (bp->b_flags & B_BAD) { 979 bn = sc->sc_badbn; 980 goto fixregs; 981 } 982 mbp->mba_bcr = -(bp->b_bcount - (int)ptob(npf)); 983 break; 984 985 case BSE: 986 if (sc->sc_state == OPENRAW) 987 return (0); 988 if (rp->hpof & HPOF_SSEI) 989 sn++; 990 #ifdef HPBDEBUG 991 if (hpbdebug) 992 log(LOG_DEBUG, "hpecc, BSE: bn %d cn %d tn %d sn %d\n", bn, cn, tn, sn); 993 #endif 994 if (bp->b_flags & B_BAD) 995 return (0); 996 if ((bn = isbad(&hpbad[mi->mi_unit], cn, tn, sn)) < 0) 997 return (0); 998 bp->b_flags |= B_BAD; 999 bp->b_error = npf + 1; 1000 rp->hpof &= ~HPOF_SSEI; 1001 bn = lp->d_ncylinders * lp->d_secpercyl - 1002 lp->d_nsectors - 1 - bn; 1003 sc->sc_badbn = bn; 1004 fixregs: 1005 cn = bn / lp->d_secpercyl; 1006 sn = bn % lp->d_secpercyl; 1007 tn = sn / lp->d_nsectors; 1008 sn %= lp->d_nsectors; 1009 bcr = bp->b_bcount - (int)ptob(npf); 1010 bcr = MIN(bcr, 512); 1011 mbp->mba_bcr = -bcr; 1012 #ifdef HPBDEBUG 1013 if (hpbdebug) 1014 log(LOG_DEBUG, "revector to cn %d tn %d sn %d\n", cn, tn, sn); 1015 #endif 1016 break; 1017 1018 case CONT: 1019 #ifdef HPBDEBUG 1020 if (hpbdebug) 1021 log(LOG_DEBUG, "hpecc, CONT: bn %d cn %d tn %d sn %d\n", bn,cn,tn,sn); 1022 #endif 1023 bp->b_flags &= ~B_BAD; 1024 if ((int)ptob(npf) >= bp->b_bcount) 1025 return (0); 1026 mbp->mba_bcr = -(bp->b_bcount - (int)ptob(npf)); 1027 break; 1028 } 1029 rp->hpcs1 = HP_DCLR|HP_GO; 1030 if (rp->hpof & HPOF_SSEI) 1031 sn++; 1032 rp->hpdc = cn; 1033 rp->hpda = (tn<<8) + sn; 1034 mbp->mba_sr = -1; 1035 mbp->mba_var = (int)ptob(npf) + o; 1036 rp->hpcs1 = bp->b_flags&B_READ ? HP_RCOM|HP_GO : HP_WCOM|HP_GO; 1037 mi->mi_tab.b_errcnt = 0; /* error has been corrected */ 1038 sc->sc_blkdone = npf; 1039 return (1); 1040 } 1041 1042 #define DBSIZE 20 1043 1044 hpdump(dev) 1045 dev_t dev; 1046 { 1047 register struct mba_device *mi; 1048 register struct mba_regs *mba; 1049 register struct disklabel *lp; 1050 struct hpdevice *hpaddr; 1051 char *start; 1052 int num, unit; 1053 extern int dumpsize; 1054 1055 num = dumpsize; 1056 start = 0; 1057 unit = hpunit(dev); 1058 if (unit >= NHP) 1059 return (ENXIO); 1060 #define phys(a,b) ((b)((int)(a)&0x7fffffff)) 1061 mi = phys(hpinfo[unit],struct mba_device *); 1062 if (mi == 0 || mi->mi_alive == 0) 1063 return (ENXIO); 1064 lp = &hplabel[unit]; 1065 mba = phys(mi->mi_hd, struct mba_hd *)->mh_physmba; 1066 mba->mba_cr = MBCR_INIT; 1067 hpaddr = (struct hpdevice *)&mba->mba_drv[mi->mi_drive]; 1068 if ((hpaddr->hpds & HPDS_VV) == 0) { 1069 hpaddr->hpcs1 = HP_DCLR|HP_GO; 1070 hpaddr->hpcs1 = HP_PRESET|HP_GO; 1071 hpaddr->hpof = HPOF_FMT22; 1072 } 1073 if (dumplo + num >= lp->d_partitions[hppart(dev)].p_size) 1074 num = lp->d_partitions[hppart(dev)].p_size - dumplo; 1075 while (num > 0) { 1076 register struct pte *hpte = mba->mba_map; 1077 register int i; 1078 int blk, cn, sn, tn; 1079 daddr_t bn; 1080 1081 blk = num > DBSIZE ? DBSIZE : num; 1082 bn = dumplo + btodb(start); 1083 cn = (bn + lp->d_partitions[hppart(dev)].p_offset) / 1084 lp->d_secpercyl; 1085 sn = bn % lp->d_secpercyl; 1086 tn = sn / lp->d_nsectors; 1087 sn = sn % lp->d_nsectors; 1088 hpaddr->hpdc = cn; 1089 hpaddr->hpda = (tn << 8) + sn; 1090 for (i = 0; i < blk; i++) 1091 *(int *)hpte++ = (btop(start)+i) | PG_V; 1092 mba->mba_sr = -1; 1093 mba->mba_bcr = -(blk*NBPG); 1094 mba->mba_var = 0; 1095 hpaddr->hpcs1 = HP_WCOM | HP_GO; 1096 while ((hpaddr->hpds & HPDS_DRY) == 0) 1097 DELAY(10); 1098 if (hpaddr->hpds&HPDS_ERR) 1099 return (EIO); 1100 start += blk*NBPG; 1101 num -= blk; 1102 } 1103 return (0); 1104 } 1105 1106 hpsize(dev) 1107 dev_t dev; 1108 { 1109 register int unit = hpunit(dev); 1110 struct mba_device *mi; 1111 1112 if (unit >= NHP || (mi = hpinfo[unit]) == 0 || mi->mi_alive == 0 || 1113 hpsoftc[unit].sc_state != OPEN) 1114 return (-1); 1115 return ((int)hplabel[unit].d_partitions[hppart(dev)].p_size); 1116 } 1117 1118 #ifdef COMPAT_42 1119 /* 1120 * Compatibility code to fake up pack label 1121 * for unlabeled disks. 1122 */ 1123 struct size { 1124 daddr_t nblocks; 1125 int cyloff; 1126 } rp06_sizes[8] = { 1127 15884, 0, /* A=cyl 0 thru 37 */ 1128 33440, 38, /* B=cyl 38 thru 117 */ 1129 340670, 0, /* C=cyl 0 thru 814 */ 1130 15884, 118, /* D=cyl 118 thru 155 */ 1131 55936, 156, /* E=cyl 156 thru 289 */ 1132 219384, 290, /* F=cyl 290 thru 814 */ 1133 291192, 118, /* G=cyl 118 thru 814 */ 1134 0, 0, 1135 }, rp05_sizes[8] = { 1136 15884, 0, /* A=cyl 0 thru 37 */ 1137 33440, 38, /* B=cyl 38 thru 117 */ 1138 171798, 0, /* C=cyl 0 thru 410 */ 1139 15884, 118, /* D=cyl 118 thru 155 */ 1140 55936, 156, /* E=cyl 156 thru 289 */ 1141 50512, 290, /* F=cyl 290 thru 410 */ 1142 122408, 118, /* G=cyl 118 thru 410 */ 1143 0, 0, 1144 }, rm03_sizes[8] = { 1145 15884, 0, /* A=cyl 0 thru 99 */ 1146 33440, 100, /* B=cyl 100 thru 308 */ 1147 131680, 0, /* C=cyl 0 thru 822 */ 1148 15884, 309, /* D=cyl 309 thru 408 */ 1149 55936, 409, /* E=cyl 409 thru 758 */ 1150 10144, 759, /* F=cyl 759 thru 822 */ 1151 82144, 309, /* G=cyl 309 thru 822 */ 1152 0, 0, 1153 }, rm05_sizes[8] = { 1154 15884, 0, /* A=cyl 0 thru 26 */ 1155 33440, 27, /* B=cyl 27 thru 81 */ 1156 500384, 0, /* C=cyl 0 thru 822 */ 1157 15884, 562, /* D=cyl 562 thru 588 */ 1158 55936, 589, /* E=cyl 589 thru 680 */ 1159 86240, 681, /* F=cyl 681 thru 822 */ 1160 158592, 562, /* G=cyl 562 thru 822 */ 1161 291346, 82, /* H=cyl 82 thru 561 */ 1162 }, rm80_sizes[8] = { 1163 15884, 0, /* A=cyl 0 thru 36 */ 1164 33440, 37, /* B=cyl 37 thru 114 */ 1165 242606, 0, /* C=cyl 0 thru 558 */ 1166 15884, 115, /* D=cyl 115 thru 151 */ 1167 55936, 152, /* E=cyl 152 thru 280 */ 1168 120559, 281, /* F=cyl 281 thru 558 */ 1169 192603, 115, /* G=cyl 115 thru 558 */ 1170 0, 0, 1171 }, rp07_sizes[8] = { 1172 15884, 0, /* A=cyl 0 thru 9 */ 1173 66880, 10, /* B=cyl 10 thru 51 */ 1174 1008000, 0, /* C=cyl 0 thru 629 */ 1175 15884, 235, /* D=cyl 235 thru 244 */ 1176 307200, 245, /* E=cyl 245 thru 436 */ 1177 308650, 437, /* F=cyl 437 thru 629 */ 1178 631850, 235, /* G=cyl 235 thru 629 */ 1179 291346, 52, /* H=cyl 52 thru 234 */ 1180 }, cdc9775_sizes[8] = { 1181 15884, 0, /* A=cyl 0 thru 12 */ 1182 66880, 13, /* B=cyl 13 thru 65 */ 1183 1077760, 0, /* C=cyl 0 thru 841 */ 1184 15884, 294, /* D=cyl 294 thru 306 */ 1185 307200, 307, /* E=cyl 307 thru 546 */ 1186 377440, 547, /* F=cyl 547 thru 841 */ 1187 701280, 294, /* G=cyl 294 thru 841 */ 1188 291346, 66, /* H=cyl 66 thru 293 */ 1189 }, cdc9730_sizes[8] = { 1190 15884, 0, /* A=cyl 0 thru 49 */ 1191 33440, 50, /* B=cyl 50 thru 154 */ 1192 263360, 0, /* C=cyl 0 thru 822 */ 1193 15884, 155, /* D=cyl 155 thru 204 */ 1194 55936, 205, /* E=cyl 205 thru 379 */ 1195 141664, 380, /* F=cyl 380 thru 822 */ 1196 213664, 155, /* G=cyl 155 thru 822 */ 1197 0, 0, 1198 }, capricorn_sizes[8] = { 1199 15884, 0, /* A=cyl 0 thru 31 */ 1200 33440, 32, /* B=cyl 32 thru 97 */ 1201 524288, 0, /* C=cyl 0 thru 1023 */ 1202 15884, 668, /* D=cyl 668 thru 699 */ 1203 55936, 700, /* E=cyl 700 thru 809 */ 1204 109472, 810, /* F=cyl 810 thru 1023 */ 1205 182176, 668, /* G=cyl 668 thru 1023 */ 1206 291346, 98, /* H=cyl 98 thru 667 */ 1207 }, eagle_sizes[8] = { 1208 15884, 0, /* A=cyl 0 thru 16 */ 1209 66880, 17, /* B=cyl 17 thru 86 */ 1210 808320, 0, /* C=cyl 0 thru 841 */ 1211 15884, 391, /* D=cyl 391 thru 407 */ 1212 307200, 408, /* E=cyl 408 thru 727 */ 1213 109296, 728, /* F=cyl 728 thru 841 */ 1214 432816, 391, /* G=cyl 391 thru 841 */ 1215 291346, 87, /* H=cyl 87 thru 390 */ 1216 }, ampex_sizes[8] = { 1217 15884, 0, /* A=cyl 0 thru 26 */ 1218 33440, 27, /* B=cyl 27 thru 81 */ 1219 495520, 0, /* C=cyl 0 thru 814 */ 1220 15884, 562, /* D=cyl 562 thru 588 */ 1221 55936, 589, /* E=cyl 589 thru 680 */ 1222 81312, 681, /* F=cyl 681 thru 814 */ 1223 153664, 562, /* G=cyl 562 thru 814 */ 1224 291346, 82, /* H=cyl 82 thru 561 */ 1225 }, fj2361_sizes[8] = { 1226 15884, 0, /* A=cyl 0 thru 12 */ 1227 66880, 13, /* B=cyl 13 thru 65 */ 1228 1077760, 0, /* C=cyl 0 thru 841 */ 1229 15884, 294, /* D=cyl 294 thru 306 */ 1230 307200, 307, /* E=cyl 307 thru 546 */ 1231 377408, 547, /* F=cyl 547 thru 841 */ 1232 701248, 294, /* G=cyl 294 thru 841 */ 1233 291346, 66, /* H=cyl 66 thru 293 */ 1234 }, fj2361a_sizes[8] = { 1235 15884, 0, /* A=cyl 0 thru 11 */ 1236 66880, 12, /* B=cyl 12 thru 61 */ 1237 1145120, 0, /* C=cyl 0 thru 841 */ 1238 15884, 277, /* D=cyl 277 thru 288 */ 1239 307200, 289, /* E=cyl 289 thru 514 */ 1240 444516, 515, /* F=cyl 515 thru 841 */ 1241 768196, 277, /* G=cyl 277 thru 841 */ 1242 291346, 62, /* H=cyl 62 thru 276 */ 1243 }; 1244 1245 /* 1246 * These variable are all measured in sectors. 1247 * Sdist is how much to "lead" in the search for a desired sector 1248 * (i.e. if want N, search for N-sdist.) 1249 * Maxdist and mindist define the region right before our desired sector within 1250 * which we don't bother searching. We don't search when we are already less 1251 * then maxdist and more than mindist sectors "before" our desired sector. 1252 * Maxdist should be >= sdist. 1253 * 1254 * Beware, sdist, mindist and maxdist are not well tuned 1255 * for many of the drives listed in this table. 1256 * Try patching things with something i/o intensive 1257 * running and watch iostat. 1258 * 1259 * The order of these entries must agree with the indices in hptypes[]. 1260 */ 1261 struct hpst { 1262 short nsect; /* # sectors/track */ 1263 short ntrak; /* # tracks/cylinder */ 1264 short nspc; /* # sector/cylinders */ 1265 short ncyl; /* # cylinders */ 1266 struct size *sizes; /* partition tables */ 1267 short sdist; /* seek distance metric */ 1268 short maxdist; /* boundaries of non-searched area */ 1269 short mindist; /* preceding the target sector */ 1270 char *name; /* name of disk type */ 1271 } hpst[] = { 1272 { 32, 5, 32*5, 823, rm03_sizes, 7, 4, 1, "RM03" }, 1273 { 32, 19, 32*19, 823, rm05_sizes, 7, 4, 1, "RM05" }, 1274 { 22,19, 22*19, 815, rp06_sizes, 7, 4, 1, "RP06"}, 1275 { 31, 14, 31*14, 559, rm80_sizes, 7, 4, 1, "RM80"}, 1276 { 22, 19, 22*19, 411, rp05_sizes, 7, 4, 1, "RP04"}, 1277 { 22, 19, 22*19, 411, rp05_sizes, 7, 4, 1, "RP05"}, 1278 { 50, 32, 50*32, 630, rp07_sizes, 15, 8, 3, "RP07"}, 1279 { 1, 1, 1, 1, 0, 0, 0, 0, "ML11A"}, 1280 { 1, 1, 1, 1, 0, 0, 0, 0, "ML11B" }, 1281 { 32, 40, 32*40, 843, cdc9775_sizes, 7, 4, 1, "9775" }, 1282 { 32, 10, 32*10, 823, cdc9730_sizes, 7, 4, 1, "9730-160" }, 1283 { 32, 16, 32*16, 1024, capricorn_sizes,10,4, 3, "capricorn" }, 1284 { 48, 20, 48*20, 842, eagle_sizes, 15, 8, 3, "eagle" }, 1285 { 32, 19, 32*19, 815, ampex_sizes, 7, 4, 1, "9300" }, 1286 { 64, 20, 64*20, 842, fj2361_sizes, 15, 8, 3, "2361" }, 1287 { 68, 20, 68*20, 842, fj2361a_sizes, 15, 8, 3, "2361a" }, 1288 }; 1289 1290 /* 1291 * Map apparent MASSBUS drive type into manufacturer 1292 * specific configuration. For SI controllers this is done 1293 * based on codes in the serial number register. For 1294 * EMULEX controllers, the track and sector attributes are 1295 * used when the drive type is an RM02 (not supported by DEC). 1296 */ 1297 hpmaptype(mi, lp) 1298 register struct mba_device *mi; 1299 register struct disklabel *lp; 1300 { 1301 register struct hpdevice *hpaddr = (struct hpdevice *)mi->mi_drv; 1302 register int type = mi->mi_type; 1303 register struct hpst *st; 1304 register i; 1305 1306 /* 1307 * Model-byte processing for SI controllers. 1308 * NB: Only deals with RM03 and RM05 emulations. 1309 */ 1310 if (type == HPDT_RM03 || type == HPDT_RM05) { 1311 int hpsn = hpaddr->hpsn; 1312 1313 if ((hpsn & SIMB_LU) == mi->mi_drive) 1314 switch ((hpsn & SIMB_MB) & ~(SIMB_S6|SIRM03|SIRM05)) { 1315 1316 case SI9775D: 1317 type = HPDT_9775; 1318 break; 1319 1320 case SI9730D: 1321 type = HPDT_9730; 1322 break; 1323 1324 case SI9766: 1325 type = HPDT_RM05; 1326 break; 1327 1328 case SI9762: 1329 type = HPDT_RM03; 1330 break; 1331 1332 case SICAPD: 1333 type = HPDT_CAPRICORN; 1334 break; 1335 1336 case SI9751D: 1337 type = HPDT_EAGLE; 1338 break; 1339 } 1340 mi->mi_type = type; 1341 } 1342 1343 /* 1344 * EMULEX SC750 or SC780. Poke the holding register. 1345 */ 1346 if (type == HPDT_RM02) { 1347 int nsectors, ntracks, ncyl; 1348 1349 hpaddr->hpof = HPOF_FMT22; 1350 mbclrattn(mi); 1351 hpaddr->hpcs1 = HP_NOP; 1352 hpaddr->hphr = HPHR_MAXTRAK; 1353 ntracks = MASKREG(hpaddr->hphr) + 1; 1354 DELAY(100); 1355 hpaddr->hpcs1 = HP_NOP; 1356 hpaddr->hphr = HPHR_MAXSECT; 1357 nsectors = MASKREG(hpaddr->hphr) + 1; 1358 DELAY(100); 1359 hpaddr->hpcs1 = HP_NOP; 1360 hpaddr->hphr = HPHR_MAXCYL; 1361 ncyl = MASKREG(hpaddr->hphr) + 1; 1362 for (type = 0; hptypes[type] != 0; type++) 1363 if (hpst[type].nsect == nsectors && 1364 hpst[type].ntrak == ntracks && 1365 hpst[type].ncyl == ncyl) 1366 break; 1367 1368 hpaddr->hpcs1 = HP_DCLR|HP_GO; 1369 mbclrattn(mi); /* conservative */ 1370 if (hptypes[type] == 0) { 1371 printf("hp%d: %d sectors, %d tracks, %d cylinders: unknown device\n", 1372 mi->mi_unit, nsectors, ntracks, ncyl); 1373 lp->d_nsectors = nsectors; 1374 lp->d_ntracks = ntracks; 1375 lp->d_ncylinders = ncyl; 1376 lp->d_secpercyl = nsectors*ntracks; 1377 lp->d_secperunit = lp->d_secpercyl * lp->d_ncylinders; 1378 #ifdef notdef /* set elsewhere */ 1379 lp->d_npartitions = 1; 1380 lp->d_partitions[0].p_offset = 0; 1381 #endif 1382 lp->d_partitions[0].p_size = lp->d_secperunit; 1383 return (0); 1384 } 1385 mi->mi_type = type; 1386 } 1387 1388 /* 1389 * set up minimal disk label. 1390 */ 1391 st = &hpst[type]; 1392 lp->d_nsectors = st->nsect; 1393 lp->d_ntracks = st->ntrak; 1394 lp->d_secpercyl = st->nspc; 1395 lp->d_ncylinders = st->ncyl; 1396 lp->d_secperunit = st->nspc * st->ncyl; 1397 lp->d_sdist = st->sdist; 1398 lp->d_mindist = st->mindist; 1399 lp->d_maxdist = st->maxdist; 1400 bcopy(hpst[type].name, lp->d_typename, sizeof(lp->d_typename)); 1401 lp->d_npartitions = 8; 1402 for (i = 0; i < 8; i++) { 1403 lp->d_partitions[i].p_offset = st->sizes[i].cyloff * 1404 lp->d_secpercyl; 1405 lp->d_partitions[i].p_size = st->sizes[i].nblocks; 1406 } 1407 return (1); 1408 } 1409 #endif COMPAT_42 1410 #endif 1411