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 7.19 (Berkeley) 04/12/90 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 "param.h" 25 #include "systm.h" 26 #include "dkstat.h" 27 #include "buf.h" 28 #include "conf.h" 29 #include "file.h" 30 #include "user.h" 31 #include "map.h" 32 #include "../vax/mtpr.h" 33 #include "vm.h" 34 #include "cmap.h" 35 #include "dkbad.h" 36 #include "disklabel.h" 37 #include "ioctl.h" 38 #include "syslog.h" 39 #include "stat.h" 40 41 #include "machine/pte.h" 42 #include "../vax/dkio.h" 43 #include "mbareg.h" 44 #include "mbavar.h" 45 #include "hpreg.h" 46 47 #define COMPAT_42 48 #define B_FORMAT B_XXX 49 50 /* 51 * Table of supported Massbus drive types. 52 * When using unlabeled packs, slot numbers here 53 * are used as indices into the partition tables. 54 * Slots are left for those drives divined from other means 55 * (e.g. SI, AMPEX, etc.). 56 */ 57 short hptypes[] = { 58 #define HPDT_RM03 0 59 MBDT_RM03, 60 #define HPDT_RM05 1 61 MBDT_RM05, 62 #define HPDT_RP06 2 63 MBDT_RP06, 64 #define HPDT_RM80 3 65 MBDT_RM80, 66 #define HPDT_RP04 4 67 MBDT_RP04, 68 #define HPDT_RP05 5 69 MBDT_RP05, 70 #define HPDT_RP07 6 71 MBDT_RP07, 72 #define HPDT_ML11A 7 73 MBDT_ML11A, 74 #define HPDT_ML11B 8 75 MBDT_ML11B, 76 #define HPDT_9775 9 77 -1, 78 #define HPDT_9730 10 79 -1, 80 #define HPDT_CAPRICORN 11 81 -1, 82 #define HPDT_EAGLE 12 83 -1, 84 #define HPDT_9300 13 85 -1, 86 #define HPDT_RM02 14 87 MBDT_RM02, /* beware, actually mapped */ 88 #define HPDT_2361 15 89 -1, 90 #define HPDT_2361A 16 91 -1, 92 0 93 }; 94 95 struct mba_device *hpinfo[NHP]; 96 int hpattach(),hpustart(),hpstart(),hpdtint(),hpstrategy(); 97 struct mba_driver hpdriver = 98 { hpattach, 0, hpustart, hpstart, hpdtint, 0, 99 hptypes, "hp", 0, hpinfo }; 100 101 u_char hp_offset[16] = { 102 HPOF_P400, HPOF_M400, HPOF_P400, HPOF_M400, 103 HPOF_P800, HPOF_M800, HPOF_P800, HPOF_M800, 104 HPOF_P1200, HPOF_M1200, HPOF_P1200, HPOF_M1200, 105 0, 0, 0, 0, 106 }; 107 108 struct disklabel hplabel[NHP]; 109 struct dkbad hpbad[NHP]; 110 111 struct hpsoftc { 112 u_char sc_recal; /* recalibrate state */ 113 u_char sc_doseeks; /* perform explicit seeks */ 114 #ifdef COMPAT_42 115 u_char sc_hdr; /* next i/o includes header */ 116 #endif 117 int sc_state; /* open fsm */ 118 int sc_wlabel; /* label sector is currently writable */ 119 u_long sc_openpart; /* bit mask of open subunits */ 120 u_long sc_copenpart; /* bit mask of open character subunits */ 121 u_long sc_bopenpart; /* bit mask of open block subunits */ 122 daddr_t sc_mlsize; /* ML11 size */ 123 int sc_blkdone; /* amount sucessfully transfered */ 124 daddr_t sc_badbn; /* replacement block number */ 125 int sc_status; /* copy of drive status reg. after format */ 126 int sc_hpds; /* copy of hpds reg. after format */ 127 int sc_er1; /* copy of error reg. 1 after format */ 128 int sc_er2; /* copy of error reg. 2 after format */ 129 } hpsoftc[NHP]; 130 131 /* 132 * Drive states. Used during steps of open/initialization. 133 * States < OPEN (> 0) are transient, during an open operation. 134 * OPENRAW is used for unlabeled disks, 135 * to inhibit bad-sector forwarding or allow format operations. 136 */ 137 #define CLOSED 0 /* disk is closed. */ 138 #define WANTOPEN 1 /* open requested, not started */ 139 #define WANTOPENRAW 2 /* open requested, no label */ 140 #define RDLABEL 3 /* reading pack label */ 141 #define RDBADTBL 4 /* reading bad-sector table */ 142 #define OPEN 5 /* initialized and ready */ 143 #define OPENRAW 6 /* open, no label or badsect */ 144 145 #define b_cylin b_resid 146 147 /* #define ML11 0 to remove ML11 support */ 148 #define ML11(type) ((type) == HPDT_ML11A) 149 #define RP06(type) (hptypes[type] <= MBDT_RP06) 150 #define RM80(type) ((type) == HPDT_RM80) 151 152 #define hpunit(dev) (minor(dev) >> 3) 153 #define hppart(dev) (minor(dev) & 07) 154 #define hpminor(unit, part) (((unit) << 3) | (part)) 155 156 #define MASKREG(reg) ((reg)&0xffff) 157 #ifdef lint 158 #define HPWAIT(mi, addr) (hpwait(mi)) 159 #else 160 #define HPWAIT(mi, addr) (((addr)->hpds & HPDS_DRY) || hpwait(mi)) 161 #endif 162 163 /*ARGSUSED*/ 164 hpattach(mi, slave) 165 struct mba_device *mi; 166 { 167 register int unit = mi->mi_unit; 168 extern int cold; 169 170 if (cold) { 171 /* 172 * Try to initialize device and read pack label. 173 */ 174 if (hpinit(hpminor(unit, 0), 0) == 0) { 175 printf(": %s", hplabel[unit].d_typename); 176 #ifdef notyet 177 addswap(makedev(HPMAJOR, hpminor(unit, 0)), 178 &hplabel[unit]); 179 #endif 180 } else 181 printf(": offline"); 182 } 183 } 184 185 hpopen(dev, flags, fmt) 186 dev_t dev; 187 int flags, fmt; 188 { 189 register int unit = hpunit(dev); 190 register struct hpsoftc *sc; 191 register struct disklabel *lp; 192 register struct partition *pp; 193 struct mba_device *mi; 194 int s, error, part = hppart(dev), mask = 1 << part; 195 daddr_t start, end; 196 197 if (unit >= NHP || (mi = hpinfo[unit]) == 0 || mi->mi_alive == 0) 198 return (ENXIO); 199 sc = &hpsoftc[unit]; 200 lp = &hplabel[unit]; 201 202 s = spl5(); 203 while (sc->sc_state != OPEN && sc->sc_state != OPENRAW && 204 sc->sc_state != CLOSED) 205 if (error = tsleep((caddr_t)sc, (PZERO+1) | PCATCH, 206 devopn, 0)) { 207 splx(s); 208 return (error); 209 } 210 splx(s); 211 if (sc->sc_state != OPEN && sc->sc_state != OPENRAW) 212 if (error = hpinit(dev, flags)) 213 return (error); 214 if (part >= lp->d_npartitions) 215 return (ENXIO); 216 /* 217 * Warn if a partion is opened 218 * that overlaps another partition which is open 219 * unless one is the "raw" partition (whole disk). 220 */ 221 #define RAWPART 2 /* 'c' partition */ /* XXX */ 222 if ((sc->sc_openpart & mask) == 0 && part != RAWPART) { 223 pp = &lp->d_partitions[part]; 224 start = pp->p_offset; 225 end = pp->p_offset + pp->p_size; 226 for (pp = lp->d_partitions; 227 pp < &lp->d_partitions[lp->d_npartitions]; pp++) { 228 if (pp->p_offset + pp->p_size <= start || 229 pp->p_offset >= end) 230 continue; 231 if (pp - lp->d_partitions == RAWPART) 232 continue; 233 if (sc->sc_openpart & (1 << (pp - lp->d_partitions))) 234 log(LOG_WARNING, 235 "hp%d%c: overlaps open partition (%c)\n", 236 unit, part + 'a', 237 pp - lp->d_partitions + 'a'); 238 } 239 } 240 switch (fmt) { 241 case S_IFCHR: 242 sc->sc_copenpart |= mask; 243 break; 244 case S_IFBLK: 245 sc->sc_bopenpart |= mask; 246 break; 247 } 248 sc->sc_openpart |= mask; 249 return (0); 250 } 251 252 /* ARGSUSED */ 253 hpclose(dev, flags, fmt) 254 dev_t dev; 255 int flags, fmt; 256 { 257 register int unit = hpunit(dev); 258 register struct hpsoftc *sc; 259 struct mba_device *mi; 260 int s, mask = 1 << hppart(dev); 261 262 sc = &hpsoftc[unit]; 263 mi = hpinfo[unit]; 264 switch (fmt) { 265 case S_IFCHR: 266 sc->sc_copenpart &= ~mask; 267 break; 268 case S_IFBLK: 269 sc->sc_bopenpart &= ~mask; 270 break; 271 } 272 sc->sc_openpart = sc->sc_copenpart | sc->sc_bopenpart; 273 274 /* 275 * Should wait for I/O to complete on this partition 276 * even if others are open, but wait for work on blkflush(). 277 */ 278 if (sc->sc_openpart == 0) { 279 s = spl5(); 280 while (mi->mi_tab.b_actf) 281 sleep((caddr_t)sc, PZERO - 1); 282 splx(s); 283 sc->sc_state = CLOSED; 284 sc->sc_wlabel = 0; 285 } 286 return (0); 287 } 288 289 hpinit(dev, flags) 290 dev_t dev; 291 int flags; 292 { 293 register struct hpsoftc *sc; 294 register struct buf *bp; 295 register struct disklabel *lp; 296 struct mba_device *mi; 297 struct hpdevice *hpaddr; 298 struct dkbad *db; 299 char *msg, *readdisklabel(); 300 int unit, i, error = 0; 301 302 unit = hpunit(dev); 303 sc = &hpsoftc[unit]; 304 lp = &hplabel[unit]; 305 mi = hpinfo[unit]; 306 hpaddr = (struct hpdevice *)mi->mi_drv; 307 308 sc->sc_state = WANTOPEN; 309 /* 310 * Use the default sizes until we've read the label, 311 * or longer if there isn't one there. 312 */ 313 if (lp->d_secpercyl == 0) { 314 lp->d_secsize = DEV_BSIZE; 315 lp->d_nsectors = 32; 316 lp->d_ntracks = 20; 317 lp->d_secpercyl = 32*20; 318 lp->d_npartitions = 1; 319 lp->d_partitions[0].p_offset = 0; 320 lp->d_partitions[0].p_size = LABELSECTOR + 1; 321 } 322 323 if (flags & O_NDELAY) 324 goto raw; 325 326 /* 327 * Map all ML11's to the same type. Also calculate 328 * transfer rates based on device characteristics. 329 * Set up dummy label with all that's needed. 330 */ 331 if (mi->mi_type == MBDT_ML11A || mi->mi_type == MBDT_ML11B) { 332 register int trt; 333 334 sc->sc_mlsize = hpaddr->hpmr & HPMR_SZ; 335 if ((hpaddr->hpmr & HPMR_ARRTYP) == 0) 336 sc->sc_mlsize >>= 2; 337 if (mi->mi_dk >= 0) { 338 trt = (hpaddr->hpmr & HPMR_TRT) >> 8; 339 dk_wpms[mi->mi_dk] = (1<<(20-trt)); 340 } 341 mi->mi_type = MBDT_ML11A; 342 lp->d_partitions[0].p_size = sc->sc_mlsize; 343 lp->d_secpercyl = sc->sc_mlsize; 344 goto raw; 345 } 346 347 /* 348 * Preset, pack acknowledge will be done in hpstart 349 * during first read operation. 350 */ 351 if (msg = readdisklabel(dev, hpstrategy, lp)) { 352 if (cold) 353 printf(": %s", msg); 354 else 355 log(LOG_ERR, "hp%d: %s\n", unit, msg); 356 #ifdef COMPAT_42 357 if (hpmaptype(mi, lp) == 0) 358 #endif 359 goto raw; 360 } 361 362 /* 363 * Seconds per word = (60 / rpm) / (nsectors * secsize/2) 364 */ 365 if (mi->mi_dk >= 0 && lp->d_rpm) 366 dk_wpms[mi->mi_dk] = 367 (lp->d_rpm * lp->d_nsectors * lp->d_secsize) / 120; 368 /* 369 * Read bad sector table into memory. 370 */ 371 bp = geteblk(DEV_BSIZE); /* max sector size */ 372 bp->b_dev = dev; 373 sc->sc_state = RDBADTBL; 374 i = 0; 375 do { 376 u.u_error = 0; /* XXX */ 377 bp->b_flags = B_BUSY | B_READ; 378 bp->b_blkno = lp->d_secperunit - lp->d_nsectors + i; 379 bp->b_bcount = lp->d_secsize; 380 bp->b_cylin = lp->d_ncylinders - 1; 381 hpstrategy(bp); 382 biowait(bp); 383 } while ((bp->b_flags & B_ERROR) && (i += 2) < 10 && 384 i < lp->d_nsectors); 385 db = (struct dkbad *)(bp->b_un.b_addr); 386 if ((bp->b_flags & B_ERROR) == 0 && db->bt_mbz == 0 && 387 db->bt_flag == 0) { 388 hpbad[unit] = *db; 389 } else { 390 log(LOG_ERR, "hp%d: %s bad-sector file\n", unit, 391 (bp->b_flags & B_ERROR) ? "can't read" : "format error in"); 392 u.u_error = 0; /* XXX */ 393 } 394 sc->sc_state = OPEN; 395 bp->b_flags = B_INVAL | B_AGE; 396 brelse(bp); 397 wakeup((caddr_t)sc); 398 return (error); 399 400 raw: 401 if (cold) 402 sc->sc_state = CLOSED; 403 else { 404 sc->sc_state = OPENRAW; 405 wakeup((caddr_t)sc); 406 } 407 return (error); 408 } 409 410 hpstrategy(bp) 411 register struct buf *bp; 412 { 413 register struct mba_device *mi; 414 register struct disklabel *lp; 415 register struct hpsoftc *sc; 416 register int unit; 417 daddr_t sz, maxsz; 418 int xunit = hppart(bp->b_dev); 419 int s; 420 421 sz = (bp->b_bcount + DEV_BSIZE - 1) >> DEV_BSHIFT; 422 unit = hpunit(bp->b_dev); 423 if (unit >= NHP) { 424 bp->b_error = ENXIO; 425 goto bad; 426 } 427 mi = hpinfo[unit]; 428 sc = &hpsoftc[unit]; 429 lp = &hplabel[unit]; 430 if (mi == 0 || mi->mi_alive == 0) { 431 bp->b_error = ENXIO; 432 goto bad; 433 } 434 #ifdef COMPAT_42 435 if (sc->sc_hdr) { /* XXX */ 436 if (bp->b_bcount == 516) 437 bp->b_flags |= B_FORMAT; 438 sc->sc_hdr = 0; 439 } 440 #endif 441 if (sc->sc_state < OPEN) 442 goto q; 443 if (sc->sc_state != OPEN && (bp->b_flags & (B_READ|B_FORMAT)) == 0) { 444 bp->b_error = EROFS; 445 goto bad; 446 } 447 if ((sc->sc_openpart & (1 << xunit)) == 0) { 448 bp->b_error = ENODEV; 449 goto bad; 450 } 451 maxsz = lp->d_partitions[xunit].p_size; 452 if (bp->b_blkno + lp->d_partitions[xunit].p_offset <= LABELSECTOR && 453 #if LABELSECTOR != 0 454 bp->b_blkno + lp->d_partitions[xunit].p_offset + sz > LABELSECTOR && 455 #endif 456 (bp->b_flags & B_READ) == 0 && sc->sc_wlabel == 0) { 457 bp->b_error = EROFS; 458 goto bad; 459 } 460 if (bp->b_blkno < 0 || bp->b_blkno + sz > maxsz) { 461 if (bp->b_blkno == maxsz) { 462 bp->b_resid = bp->b_bcount; 463 goto done; 464 } 465 sz = maxsz - bp->b_blkno; 466 if (sz <= 0) { 467 bp->b_error = EINVAL; 468 goto bad; 469 } 470 bp->b_bcount = sz << DEV_BSHIFT; 471 } 472 bp->b_cylin = (bp->b_blkno + lp->d_partitions[xunit].p_offset) / 473 lp->d_secpercyl; 474 q: 475 s = spl5(); 476 disksort(&mi->mi_tab, bp); 477 if (mi->mi_tab.b_active == 0) 478 mbustart(mi); 479 splx(s); 480 return; 481 482 bad: 483 bp->b_flags |= B_ERROR; 484 done: 485 biodone(bp); 486 return; 487 } 488 489 hpustart(mi) 490 register struct mba_device *mi; 491 { 492 register struct hpdevice *hpaddr = (struct hpdevice *)mi->mi_drv; 493 register struct buf *bp = mi->mi_tab.b_actf; 494 register struct disklabel *lp; 495 struct hpsoftc *sc = &hpsoftc[mi->mi_unit]; 496 daddr_t bn; 497 int sn, tn, dist; 498 499 lp = &hplabel[mi->mi_unit]; 500 hpaddr->hpcs1 = 0; 501 if ((hpaddr->hpcs1&HP_DVA) == 0) 502 return (MBU_BUSY); 503 504 switch (sc->sc_recal) { 505 506 case 1: 507 (void)HPWAIT(mi, hpaddr); 508 hpaddr->hpdc = bp->b_cylin; 509 hpaddr->hpcs1 = HP_SEEK|HP_GO; 510 sc->sc_recal++; 511 return (MBU_STARTED); 512 case 2: 513 break; 514 } 515 sc->sc_recal = 0; 516 if ((hpaddr->hpds & HPDS_VV) == 0) { 517 if (sc->sc_state == OPEN && lp->d_flags & D_REMOVABLE) { 518 if (sc->sc_openpart) 519 log(LOG_ERR, "hp%d: volume changed\n", 520 mi->mi_unit); 521 sc->sc_openpart = 0; 522 bp->b_flags |= B_ERROR; 523 return (MBU_NEXT); 524 } 525 hpaddr->hpcs1 = HP_DCLR|HP_GO; 526 if (mi->mi_mba->mba_drv[0].mbd_as & (1<<mi->mi_drive)) 527 printf("DCLR attn\n"); 528 hpaddr->hpcs1 = HP_PRESET|HP_GO; 529 if (!ML11(mi->mi_type)) 530 hpaddr->hpof = HPOF_FMT22; 531 mbclrattn(mi); 532 if (sc->sc_state == WANTOPENRAW) { 533 sc->sc_state = OPENRAW; 534 return (MBU_NEXT); 535 } 536 if (sc->sc_state == WANTOPEN) 537 sc->sc_state = RDLABEL; 538 } 539 if (mi->mi_tab.b_active || mi->mi_hd->mh_ndrive == 1) { 540 if (mi->mi_tab.b_errcnt >= 16 && (bp->b_flags & B_READ)) { 541 hpaddr->hpof = 542 hp_offset[mi->mi_tab.b_errcnt & 017]|HPOF_FMT22; 543 hpaddr->hpcs1 = HP_OFFSET|HP_GO; 544 (void)HPWAIT(mi, hpaddr); 545 mbclrattn(mi); 546 } 547 return (MBU_DODATA); 548 } 549 if (ML11(mi->mi_type)) 550 return (MBU_DODATA); 551 if ((hpaddr->hpds & HPDS_DREADY) != HPDS_DREADY) 552 return (MBU_DODATA); 553 bn = bp->b_blkno; 554 sn = bn % lp->d_secpercyl; 555 tn = sn / lp->d_nsectors; 556 sn = sn % lp->d_nsectors; 557 if (bp->b_cylin == MASKREG(hpaddr->hpdc)) { 558 if (sc->sc_doseeks) 559 return (MBU_DODATA); 560 dist = sn - (MASKREG(hpaddr->hpla) >> 6) - 1; 561 if (dist < 0) 562 dist += lp->d_nsectors; 563 if (dist <= lp->d_maxdist && dist >= lp->d_mindist) 564 return (MBU_DODATA); 565 } else 566 hpaddr->hpdc = bp->b_cylin; 567 if (sc->sc_doseeks) 568 hpaddr->hpcs1 = HP_SEEK|HP_GO; 569 else { 570 sn = (sn + lp->d_nsectors - lp->d_sdist) % lp->d_nsectors; 571 hpaddr->hpda = (tn << 8) + sn; 572 hpaddr->hpcs1 = HP_SEARCH|HP_GO; 573 } 574 return (MBU_STARTED); 575 } 576 577 hpstart(mi) 578 register struct mba_device *mi; 579 { 580 register struct hpdevice *hpaddr = (struct hpdevice *)mi->mi_drv; 581 register struct buf *bp = mi->mi_tab.b_actf; 582 register struct disklabel *lp = &hplabel[mi->mi_unit]; 583 struct hpsoftc *sc = &hpsoftc[mi->mi_unit]; 584 daddr_t bn; 585 int sn, tn, cn; 586 587 if (ML11(mi->mi_type)) 588 hpaddr->hpda = bp->b_blkno + sc->sc_blkdone; 589 else { 590 if (bp->b_flags & B_BAD) { 591 bn = sc->sc_badbn; 592 cn = bn / lp->d_secpercyl; 593 } else { 594 bn = bp->b_blkno; 595 cn = bp->b_cylin; 596 } 597 sn = bn % lp->d_secpercyl; 598 if ((bp->b_flags & B_BAD) == 0) 599 sn += sc->sc_blkdone; 600 tn = sn / lp->d_nsectors; 601 sn %= lp->d_nsectors; 602 cn += tn / lp->d_ntracks; 603 tn %= lp->d_ntracks; 604 hpaddr->hpda = (tn << 8) + sn; 605 hpaddr->hpdc = cn; 606 } 607 mi->mi_tab.b_bdone = dbtob(sc->sc_blkdone); 608 if (bp->b_flags & B_FORMAT) { 609 if (bp->b_flags & B_READ) 610 return (HP_RHDR|HP_GO); 611 else 612 return (HP_WHDR|HP_GO); 613 } 614 return (0); 615 } 616 617 hpdtint(mi, mbsr) 618 register struct mba_device *mi; 619 int mbsr; 620 { 621 register struct hpdevice *hpaddr = (struct hpdevice *)mi->mi_drv; 622 register struct buf *bp = mi->mi_tab.b_actf; 623 register int er1, er2; 624 struct hpsoftc *sc = &hpsoftc[mi->mi_unit]; 625 int retry = 0; 626 int npf, bcr; 627 628 bcr = MASKREG(-mi->mi_mba->mba_bcr); 629 if (bp->b_flags & B_FORMAT) { 630 sc->sc_status = mbsr; 631 sc->sc_hpds = hpaddr->hpds; 632 sc->sc_er1 = hpaddr->hper1; 633 sc->sc_er2 = hpaddr->hper2; 634 } 635 if (hpaddr->hpds&HPDS_ERR || mbsr&MBSR_EBITS) { 636 er1 = hpaddr->hper1; 637 er2 = hpaddr->hper2; 638 if (bp->b_flags & B_BAD) 639 npf = bp->b_error; 640 else { 641 npf = btodb(bp->b_bcount + (DEV_BSIZE - 1) - bcr); 642 if (er1 & (HPER1_DCK | HPER1_ECH)) 643 npf--; 644 } 645 if (HPWAIT(mi, hpaddr) == 0) 646 goto hard; 647 #ifdef HPDEBUG 648 if (hpdebug) { 649 int dc = hpaddr->hpdc, da = hpaddr->hpda; 650 daddr_t bn; 651 652 if (bp->b_flags & B_BAD) 653 bn = sc->sc_badbn; 654 else 655 bn = bp->b_blkno + npf; 656 log(LOG_DEBUG, 657 "hperr: bp %x cyl %d blk %d blkdone %d as %o dc %x da %x\n", 658 bp, bp->b_cylin, bn, sc->sc_blkdone, 659 hpaddr->hpas&0xff, MASKREG(dc), MASKREG(da)); 660 log(LOG_DEBUG, 661 "errcnt %d mbsr=%b er1=%b er2=%b bcr -%d\n", 662 mi->mi_tab.b_errcnt, mbsr, mbsr_bits, 663 MASKREG(er1), HPER1_BITS, 664 MASKREG(er2), HPER2_BITS, bcr); 665 } 666 #endif 667 if (er1 & HPER1_HCRC) { 668 er1 &= ~(HPER1_HCE|HPER1_FER); 669 er2 &= ~HPER2_BSE; 670 } 671 if (er1 & HPER1_WLE) { 672 log(LOG_WARNING, "hp%d: write locked\n", 673 hpunit(bp->b_dev)); 674 bp->b_flags |= B_ERROR; 675 } else if (bp->b_flags & B_FORMAT) { 676 bp->b_flags |= B_ERROR; 677 } else if (RM80(mi->mi_type) && er2&HPER2_SSE) { 678 (void) hpecc(mi, SSE); 679 return (MBD_RESTARTED); 680 } else if ((er2 & HPER2_BSE) && !ML11(mi->mi_type)) { 681 if (hpecc(mi, BSE)) 682 return (MBD_RESTARTED); 683 goto hard; 684 } else if (MASKREG(er1) == HPER1_FER && RP06(mi->mi_type)) { 685 if (hpecc(mi, BSE)) 686 return (MBD_RESTARTED); 687 goto hard; 688 } else if ((er1 & (HPER1_DCK | HPER1_ECH)) == HPER1_DCK && 689 mi->mi_tab.b_errcnt >= 3) { 690 if (hpecc(mi, ECC)) 691 return (MBD_RESTARTED); 692 /* 693 * ECC corrected. Only log retries below 694 * if we got errors other than soft ECC 695 * (as indicated by additional retries). 696 */ 697 if (mi->mi_tab.b_errcnt == 3) 698 mi->mi_tab.b_errcnt = 0; 699 } else if ((er1 & HPER1_HCRC) && !ML11(mi->mi_type) && 700 hpecc(mi, BSE)) { 701 /* 702 * HCRC means the header is screwed up and the sector 703 * might well exist in the bad sector table, 704 * better check.... 705 */ 706 return (MBD_RESTARTED); 707 } else if (++mi->mi_tab.b_errcnt > 27 || 708 (ML11(mi->mi_type) && mi->mi_tab.b_errcnt > 15) || 709 mbsr & MBSR_HARD || 710 er1 & HPER1_HARD || 711 (!ML11(mi->mi_type) && (er2 & HPER2_HARD))) { 712 hard: 713 diskerr(bp, "hp", "hard error", LOG_PRINTF, npf, 714 &hplabel[mi->mi_unit]); 715 if (bp->b_flags & B_BAD) 716 printf(" (on replacement sector %d)", 717 sc->sc_badbn); 718 if (mbsr & (MBSR_EBITS &~ (MBSR_DTABT|MBSR_MBEXC))) 719 printf(" mbsr=%b", mbsr, mbsr_bits); 720 printf(" er1=%b er2=%b ds=%b\n", 721 MASKREG(hpaddr->hper1), HPER1_BITS, 722 MASKREG(hpaddr->hper2), HPER2_BITS, 723 MASKREG(hpaddr->hpds), HPDS_BITS); 724 bp->b_flags |= B_ERROR; 725 bp->b_flags &= ~B_BAD; 726 } else 727 retry = 1; 728 hpaddr->hpcs1 = HP_DCLR|HP_GO; 729 if (retry && (mi->mi_tab.b_errcnt & 07) == 4) { 730 hpaddr->hpcs1 = HP_RECAL|HP_GO; 731 sc->sc_recal = 1; 732 return (MBD_REPOSITION); 733 } 734 } 735 #ifdef HPDEBUG 736 else 737 if (hpdebug && sc->sc_recal) { 738 log(LOG_DEBUG, 739 "recal %d errcnt %d mbsr=%b er1=%b er2=%b\n", 740 sc->sc_recal, mi->mi_tab.b_errcnt, mbsr, mbsr_bits, 741 hpaddr->hper1, HPER1_BITS, 742 hpaddr->hper2, HPER2_BITS); 743 } 744 #endif 745 (void)HPWAIT(mi, hpaddr); 746 if (retry) 747 return (MBD_RETRY); 748 if (mi->mi_tab.b_errcnt >= 16) { 749 /* 750 * This is fast and occurs rarely; we don't 751 * bother with interrupts. 752 */ 753 hpaddr->hpcs1 = HP_RTC|HP_GO; 754 (void)HPWAIT(mi, hpaddr); 755 mbclrattn(mi); 756 } 757 if (mi->mi_tab.b_errcnt && (bp->b_flags & B_ERROR) == 0) { 758 diskerr(bp, "hp", "retries", LOG_INFO, sc->sc_blkdone, 759 &hplabel[mi->mi_unit]); 760 addlog(": %d retries\n", mi->mi_tab.b_errcnt); 761 } 762 if ((bp->b_flags & B_BAD) && hpecc(mi, CONT)) 763 return (MBD_RESTARTED); 764 sc->sc_blkdone = 0; 765 bp->b_resid = bcr; 766 if (!ML11(mi->mi_type)) { 767 hpaddr->hpof = HPOF_FMT22; 768 hpaddr->hpcs1 = HP_RELEASE|HP_GO; 769 } 770 if (sc->sc_openpart == 0) 771 wakeup((caddr_t)sc); 772 return (MBD_DONE); 773 } 774 775 /* 776 * Wait (for a bit) for a drive to come ready; 777 * returns nonzero on success. 778 */ 779 hpwait(mi) 780 register struct mba_device *mi; 781 { 782 register struct hpdevice *hpaddr = (struct hpdevice *)mi->mi_drv; 783 register i = 100000; 784 785 while ((hpaddr->hpds & HPDS_DRY) == 0 && --i) 786 DELAY(10); 787 if (i == 0) 788 printf("hp%d: intr, not ready\n", mi->mi_unit); 789 return (i); 790 } 791 792 hpioctl(dev, cmd, data, flag) 793 dev_t dev; 794 int cmd; 795 caddr_t data; 796 int flag; 797 { 798 int unit = hpunit(dev); 799 register struct disklabel *lp; 800 register struct hpsoftc *sc = &hpsoftc[unit]; 801 int error = 0; 802 int hpformat(); 803 804 lp = &hplabel[unit]; 805 806 switch (cmd) { 807 808 case DIOCGDINFO: 809 *(struct disklabel *)data = *lp; 810 break; 811 812 case DIOCGPART: 813 ((struct partinfo *)data)->disklab = lp; 814 ((struct partinfo *)data)->part = 815 &lp->d_partitions[hppart(dev)]; 816 break; 817 818 case DIOCSDINFO: 819 if ((flag & FWRITE) == 0) 820 error = EBADF; 821 else 822 error = setdisklabel(lp, (struct disklabel *)data, 823 (sc->sc_state == OPENRAW) ? 0 : sc->sc_openpart); 824 if (error == 0) 825 sc->sc_state = OPEN; 826 break; 827 828 case DIOCWLABEL: 829 if ((flag & FWRITE) == 0) 830 error = EBADF; 831 else 832 sc->sc_wlabel = *(int *)data; 833 break; 834 835 case DIOCWDINFO: 836 if ((flag & FWRITE) == 0) 837 error = EBADF; 838 else if ((error = setdisklabel(lp, (struct disklabel *)data, 839 (sc->sc_state == OPENRAW) ? 0 : sc->sc_openpart)) == 0) { 840 int wlab; 841 842 sc->sc_state = OPEN; 843 /* simulate opening partition 0 so write succeeds */ 844 sc->sc_openpart |= (1 << 0); /* XXX */ 845 wlab = sc->sc_wlabel; 846 sc->sc_wlabel = 1; 847 error = writedisklabel(dev, hpstrategy, lp); 848 sc->sc_openpart = sc->sc_copenpart | sc->sc_bopenpart; 849 sc->sc_wlabel = wlab; 850 } 851 break; 852 853 case DIOCSBAD: 854 { 855 struct dkbad *db = (struct dkbad *)data; 856 857 if ((flag & FWRITE) == 0) 858 error = EBADF; 859 else if (db->bt_mbz != 0 || db->bt_flag != 0) 860 error = EINVAL; 861 else 862 hpbad[unit] = *db; 863 break; 864 } 865 866 case DIOCRFORMAT: 867 case DIOCWFORMAT: 868 { 869 register struct format_op *fop; 870 struct uio auio; 871 struct iovec aiov; 872 873 if (cmd == DIOCWFORMAT && (flag & FWRITE) == 0) { 874 error = EBADF; 875 break; 876 } 877 fop = (struct format_op *)data; 878 aiov.iov_base = fop->df_buf; 879 aiov.iov_len = fop->df_count; 880 auio.uio_iov = &aiov; 881 auio.uio_iovcnt = 1; 882 auio.uio_resid = fop->df_count; 883 auio.uio_segflg = UIO_USERSPACE; 884 auio.uio_offset = fop->df_startblk * lp->d_secsize; 885 /* 886 * Don't return errors, as the format op won't get copied 887 * out if we return nonzero. Callers must check the returned 888 * count. 889 */ 890 (void) physio(hpformat, (struct buf *)NULL, dev, 891 (cmd == DIOCWFORMAT ? B_WRITE : B_READ), minphys, &auio); 892 fop->df_count -= auio.uio_resid; 893 fop->df_reg[0] = sc->sc_status; 894 fop->df_reg[1] = sc->sc_hpds; 895 fop->df_reg[2] = sc->sc_er1; 896 fop->df_reg[3] = sc->sc_er2; 897 break; 898 } 899 900 #ifdef COMPAT_42 901 case DKIOCHDR: /* do header read/write */ /* XXX */ 902 sc->sc_hdr = 1; 903 break; 904 #endif 905 906 default: 907 error = ENOTTY; 908 break; 909 } 910 return (error); 911 } 912 913 hpformat(bp) 914 struct buf *bp; 915 { 916 bp->b_flags |= B_FORMAT; 917 hpstrategy(bp); 918 } 919 920 hpecc(mi, flag) 921 register struct mba_device *mi; 922 int flag; 923 { 924 register struct mba_regs *mbp = mi->mi_mba; 925 register struct hpdevice *rp = (struct hpdevice *)mi->mi_drv; 926 register struct buf *bp = mi->mi_tab.b_actf; 927 register struct disklabel *lp = &hplabel[mi->mi_unit]; 928 struct hpsoftc *sc = &hpsoftc[mi->mi_unit]; 929 int npf, o; 930 int bn, cn, tn, sn; 931 int bcr; 932 933 bcr = MASKREG(-mbp->mba_bcr); 934 if (bp->b_flags & B_BAD) 935 npf = bp->b_error; 936 else { 937 npf = bp->b_bcount - bcr; 938 /* 939 * Watch out for fractional sector at end of transfer; 940 * want to round up if finished, otherwise round down. 941 */ 942 if (bcr == 0) 943 npf += 511; 944 npf = btodb(npf); 945 } 946 o = (int)bp->b_un.b_addr & PGOFSET; 947 bn = bp->b_blkno; 948 cn = bp->b_cylin; 949 sn = bn % lp->d_secpercyl + npf; 950 tn = sn / lp->d_nsectors; 951 sn %= lp->d_nsectors; 952 cn += tn / lp->d_ntracks; 953 tn %= lp->d_ntracks; 954 bn += npf; 955 switch (flag) { 956 case ECC: { 957 register int i; 958 caddr_t addr; 959 struct pte mpte; 960 int bit, byte, mask; 961 962 npf--; /* because block in error is previous block */ 963 diskerr(bp, "hp", "soft ecc", LOG_WARNING, npf, lp); 964 if (bp->b_flags & B_BAD) 965 addlog(" (on replacement sector %d)", sc->sc_badbn); 966 addlog("\n"); 967 mask = MASKREG(rp->hpec2); 968 i = MASKREG(rp->hpec1) - 1; /* -1 makes 0 origin */ 969 bit = i&07; 970 i = (i&~07)>>3; 971 byte = i + o; 972 while (i < 512 && (int)dbtob(npf)+i < bp->b_bcount && bit > -11) { 973 mpte = mbp->mba_map[npf+btop(byte)]; 974 addr = ptob(mpte.pg_pfnum) + (byte & PGOFSET); 975 putmemc(addr, getmemc(addr)^(mask<<bit)); 976 byte++; 977 i++; 978 bit -= 8; 979 } 980 if (bcr == 0) 981 return (0); 982 npf++; 983 break; 984 } 985 986 case SSE: 987 rp->hpof |= HPOF_SSEI; 988 if (bp->b_flags & B_BAD) { 989 bn = sc->sc_badbn; 990 goto fixregs; 991 } 992 mbp->mba_bcr = -(bp->b_bcount - (int)ptob(npf)); 993 break; 994 995 case BSE: 996 if (sc->sc_state == OPENRAW) 997 return (0); 998 if (rp->hpof & HPOF_SSEI) 999 sn++; 1000 #ifdef HPBDEBUG 1001 if (hpbdebug) 1002 log(LOG_DEBUG, "hpecc, BSE: bn %d cn %d tn %d sn %d\n", bn, cn, tn, sn); 1003 #endif 1004 if (bp->b_flags & B_BAD) 1005 return (0); 1006 if ((bn = isbad(&hpbad[mi->mi_unit], cn, tn, sn)) < 0) 1007 return (0); 1008 bp->b_flags |= B_BAD; 1009 bp->b_error = npf + 1; 1010 rp->hpof &= ~HPOF_SSEI; 1011 bn = lp->d_ncylinders * lp->d_secpercyl - 1012 lp->d_nsectors - 1 - bn; 1013 sc->sc_badbn = bn; 1014 fixregs: 1015 cn = bn / lp->d_secpercyl; 1016 sn = bn % lp->d_secpercyl; 1017 tn = sn / lp->d_nsectors; 1018 sn %= lp->d_nsectors; 1019 bcr = bp->b_bcount - (int)ptob(npf); 1020 bcr = MIN(bcr, 512); 1021 mbp->mba_bcr = -bcr; 1022 #ifdef HPBDEBUG 1023 if (hpbdebug) 1024 log(LOG_DEBUG, "revector to cn %d tn %d sn %d\n", cn, tn, sn); 1025 #endif 1026 break; 1027 1028 case CONT: 1029 #ifdef HPBDEBUG 1030 if (hpbdebug) 1031 log(LOG_DEBUG, "hpecc, CONT: bn %d cn %d tn %d sn %d\n", bn,cn,tn,sn); 1032 #endif 1033 bp->b_flags &= ~B_BAD; 1034 if ((int)ptob(npf) >= bp->b_bcount) 1035 return (0); 1036 mbp->mba_bcr = -(bp->b_bcount - (int)ptob(npf)); 1037 break; 1038 } 1039 rp->hpcs1 = HP_DCLR|HP_GO; 1040 if (rp->hpof & HPOF_SSEI) 1041 sn++; 1042 rp->hpdc = cn; 1043 rp->hpda = (tn<<8) + sn; 1044 mbp->mba_sr = -1; 1045 mbp->mba_var = (int)ptob(npf) + o; 1046 rp->hpcs1 = bp->b_flags&B_READ ? HP_RCOM|HP_GO : HP_WCOM|HP_GO; 1047 mi->mi_tab.b_errcnt = 0; /* error has been corrected */ 1048 sc->sc_blkdone = npf; 1049 return (1); 1050 } 1051 1052 #define DBSIZE 20 1053 1054 hpdump(dev) 1055 dev_t dev; 1056 { 1057 register struct mba_device *mi; 1058 register struct mba_regs *mba; 1059 register struct disklabel *lp; 1060 struct hpdevice *hpaddr; 1061 char *start; 1062 int num, unit; 1063 extern int dumpsize; 1064 1065 num = dumpsize; 1066 start = 0; 1067 unit = hpunit(dev); 1068 if (unit >= NHP) 1069 return (ENXIO); 1070 #define phys(a,b) ((b)((int)(a)&0x7fffffff)) 1071 mi = phys(hpinfo[unit],struct mba_device *); 1072 if (mi == 0 || mi->mi_alive == 0) 1073 return (ENXIO); 1074 lp = &hplabel[unit]; 1075 mba = phys(mi->mi_hd, struct mba_hd *)->mh_physmba; 1076 mba->mba_cr = MBCR_INIT; 1077 hpaddr = (struct hpdevice *)&mba->mba_drv[mi->mi_drive]; 1078 if ((hpaddr->hpds & HPDS_VV) == 0) { 1079 hpaddr->hpcs1 = HP_DCLR|HP_GO; 1080 hpaddr->hpcs1 = HP_PRESET|HP_GO; 1081 hpaddr->hpof = HPOF_FMT22; 1082 } 1083 if (dumplo + num >= lp->d_partitions[hppart(dev)].p_size) 1084 num = lp->d_partitions[hppart(dev)].p_size - dumplo; 1085 while (num > 0) { 1086 register struct pte *hpte = mba->mba_map; 1087 register int i; 1088 int blk, cn, sn, tn; 1089 daddr_t bn; 1090 1091 blk = num > DBSIZE ? DBSIZE : num; 1092 bn = dumplo + btodb(start); 1093 cn = (bn + lp->d_partitions[hppart(dev)].p_offset) / 1094 lp->d_secpercyl; 1095 sn = bn % lp->d_secpercyl; 1096 tn = sn / lp->d_nsectors; 1097 sn = sn % lp->d_nsectors; 1098 hpaddr->hpdc = cn; 1099 hpaddr->hpda = (tn << 8) + sn; 1100 for (i = 0; i < blk; i++) 1101 *(int *)hpte++ = (btop(start)+i) | PG_V; 1102 mba->mba_sr = -1; 1103 mba->mba_bcr = -(blk*NBPG); 1104 mba->mba_var = 0; 1105 hpaddr->hpcs1 = HP_WCOM | HP_GO; 1106 while ((hpaddr->hpds & HPDS_DRY) == 0) 1107 DELAY(10); 1108 if (hpaddr->hpds&HPDS_ERR) 1109 return (EIO); 1110 start += blk*NBPG; 1111 num -= blk; 1112 } 1113 return (0); 1114 } 1115 1116 hpsize(dev) 1117 dev_t dev; 1118 { 1119 register int unit = hpunit(dev); 1120 struct mba_device *mi; 1121 1122 if (unit >= NHP || (mi = hpinfo[unit]) == 0 || mi->mi_alive == 0 || 1123 hpsoftc[unit].sc_state != OPEN) 1124 return (-1); 1125 return ((int)hplabel[unit].d_partitions[hppart(dev)].p_size); 1126 } 1127 1128 #ifdef COMPAT_42 1129 /* 1130 * Compatibility code to fake up pack label 1131 * for unlabeled disks. 1132 */ 1133 struct size { 1134 daddr_t nblocks; 1135 int cyloff; 1136 } rp06_sizes[8] = { 1137 15884, 0, /* A=cyl 0 thru 37 */ 1138 33440, 38, /* B=cyl 38 thru 117 */ 1139 340670, 0, /* C=cyl 0 thru 814 */ 1140 15884, 118, /* D=cyl 118 thru 155 */ 1141 55936, 156, /* E=cyl 156 thru 289 */ 1142 219384, 290, /* F=cyl 290 thru 814 */ 1143 291192, 118, /* G=cyl 118 thru 814 */ 1144 0, 0, 1145 }, rp05_sizes[8] = { 1146 15884, 0, /* A=cyl 0 thru 37 */ 1147 33440, 38, /* B=cyl 38 thru 117 */ 1148 171798, 0, /* C=cyl 0 thru 410 */ 1149 15884, 118, /* D=cyl 118 thru 155 */ 1150 55936, 156, /* E=cyl 156 thru 289 */ 1151 50512, 290, /* F=cyl 290 thru 410 */ 1152 122408, 118, /* G=cyl 118 thru 410 */ 1153 0, 0, 1154 }, rm03_sizes[8] = { 1155 15884, 0, /* A=cyl 0 thru 99 */ 1156 33440, 100, /* B=cyl 100 thru 308 */ 1157 131680, 0, /* C=cyl 0 thru 822 */ 1158 15884, 309, /* D=cyl 309 thru 408 */ 1159 55936, 409, /* E=cyl 409 thru 758 */ 1160 10144, 759, /* F=cyl 759 thru 822 */ 1161 82144, 309, /* G=cyl 309 thru 822 */ 1162 0, 0, 1163 }, rm05_sizes[8] = { 1164 15884, 0, /* A=cyl 0 thru 26 */ 1165 33440, 27, /* B=cyl 27 thru 81 */ 1166 500384, 0, /* C=cyl 0 thru 822 */ 1167 15884, 562, /* D=cyl 562 thru 588 */ 1168 55936, 589, /* E=cyl 589 thru 680 */ 1169 86240, 681, /* F=cyl 681 thru 822 */ 1170 158592, 562, /* G=cyl 562 thru 822 */ 1171 291346, 82, /* H=cyl 82 thru 561 */ 1172 }, rm80_sizes[8] = { 1173 15884, 0, /* A=cyl 0 thru 36 */ 1174 33440, 37, /* B=cyl 37 thru 114 */ 1175 242606, 0, /* C=cyl 0 thru 558 */ 1176 15884, 115, /* D=cyl 115 thru 151 */ 1177 55936, 152, /* E=cyl 152 thru 280 */ 1178 120559, 281, /* F=cyl 281 thru 558 */ 1179 192603, 115, /* G=cyl 115 thru 558 */ 1180 0, 0, 1181 }, rp07_sizes[8] = { 1182 15884, 0, /* A=cyl 0 thru 9 */ 1183 66880, 10, /* B=cyl 10 thru 51 */ 1184 1008000, 0, /* C=cyl 0 thru 629 */ 1185 15884, 235, /* D=cyl 235 thru 244 */ 1186 307200, 245, /* E=cyl 245 thru 436 */ 1187 308650, 437, /* F=cyl 437 thru 629 */ 1188 631850, 235, /* G=cyl 235 thru 629 */ 1189 291346, 52, /* H=cyl 52 thru 234 */ 1190 }, cdc9775_sizes[8] = { 1191 15884, 0, /* A=cyl 0 thru 12 */ 1192 66880, 13, /* B=cyl 13 thru 65 */ 1193 1077760, 0, /* C=cyl 0 thru 841 */ 1194 15884, 294, /* D=cyl 294 thru 306 */ 1195 307200, 307, /* E=cyl 307 thru 546 */ 1196 377440, 547, /* F=cyl 547 thru 841 */ 1197 701280, 294, /* G=cyl 294 thru 841 */ 1198 291346, 66, /* H=cyl 66 thru 293 */ 1199 }, cdc9730_sizes[8] = { 1200 15884, 0, /* A=cyl 0 thru 49 */ 1201 33440, 50, /* B=cyl 50 thru 154 */ 1202 263360, 0, /* C=cyl 0 thru 822 */ 1203 15884, 155, /* D=cyl 155 thru 204 */ 1204 55936, 205, /* E=cyl 205 thru 379 */ 1205 141664, 380, /* F=cyl 380 thru 822 */ 1206 213664, 155, /* G=cyl 155 thru 822 */ 1207 0, 0, 1208 }, capricorn_sizes[8] = { 1209 15884, 0, /* A=cyl 0 thru 31 */ 1210 33440, 32, /* B=cyl 32 thru 97 */ 1211 524288, 0, /* C=cyl 0 thru 1023 */ 1212 15884, 668, /* D=cyl 668 thru 699 */ 1213 55936, 700, /* E=cyl 700 thru 809 */ 1214 109472, 810, /* F=cyl 810 thru 1023 */ 1215 182176, 668, /* G=cyl 668 thru 1023 */ 1216 291346, 98, /* H=cyl 98 thru 667 */ 1217 }, eagle_sizes[8] = { 1218 15884, 0, /* A=cyl 0 thru 16 */ 1219 66880, 17, /* B=cyl 17 thru 86 */ 1220 808320, 0, /* C=cyl 0 thru 841 */ 1221 15884, 391, /* D=cyl 391 thru 407 */ 1222 307200, 408, /* E=cyl 408 thru 727 */ 1223 109296, 728, /* F=cyl 728 thru 841 */ 1224 432816, 391, /* G=cyl 391 thru 841 */ 1225 291346, 87, /* H=cyl 87 thru 390 */ 1226 }, ampex_sizes[8] = { 1227 15884, 0, /* A=cyl 0 thru 26 */ 1228 33440, 27, /* B=cyl 27 thru 81 */ 1229 495520, 0, /* C=cyl 0 thru 814 */ 1230 15884, 562, /* D=cyl 562 thru 588 */ 1231 55936, 589, /* E=cyl 589 thru 680 */ 1232 81312, 681, /* F=cyl 681 thru 814 */ 1233 153664, 562, /* G=cyl 562 thru 814 */ 1234 291346, 82, /* H=cyl 82 thru 561 */ 1235 }, fj2361_sizes[8] = { 1236 15884, 0, /* A=cyl 0 thru 12 */ 1237 66880, 13, /* B=cyl 13 thru 65 */ 1238 1077760, 0, /* C=cyl 0 thru 841 */ 1239 15884, 294, /* D=cyl 294 thru 306 */ 1240 307200, 307, /* E=cyl 307 thru 546 */ 1241 377408, 547, /* F=cyl 547 thru 841 */ 1242 701248, 294, /* G=cyl 294 thru 841 */ 1243 291346, 66, /* H=cyl 66 thru 293 */ 1244 }, fj2361a_sizes[8] = { 1245 15884, 0, /* A=cyl 0 thru 11 */ 1246 66880, 12, /* B=cyl 12 thru 61 */ 1247 1145120, 0, /* C=cyl 0 thru 841 */ 1248 15884, 277, /* D=cyl 277 thru 288 */ 1249 307200, 289, /* E=cyl 289 thru 514 */ 1250 444516, 515, /* F=cyl 515 thru 841 */ 1251 768196, 277, /* G=cyl 277 thru 841 */ 1252 291346, 62, /* H=cyl 62 thru 276 */ 1253 }; 1254 1255 /* 1256 * These variable are all measured in sectors. 1257 * Sdist is how much to "lead" in the search for a desired sector 1258 * (i.e. if want N, search for N-sdist.) 1259 * Maxdist and mindist define the region right before our desired sector within 1260 * which we don't bother searching. We don't search when we are already less 1261 * then maxdist and more than mindist sectors "before" our desired sector. 1262 * Maxdist should be >= sdist. 1263 * 1264 * Beware, sdist, mindist and maxdist are not well tuned 1265 * for many of the drives listed in this table. 1266 * Try patching things with something i/o intensive 1267 * running and watch iostat. 1268 * 1269 * The order of these entries must agree with the indices in hptypes[]. 1270 */ 1271 struct hpst { 1272 short nsect; /* # sectors/track */ 1273 short ntrak; /* # tracks/cylinder */ 1274 short nspc; /* # sector/cylinders */ 1275 short ncyl; /* # cylinders */ 1276 struct size *sizes; /* partition tables */ 1277 short sdist; /* seek distance metric */ 1278 short maxdist; /* boundaries of non-searched area */ 1279 short mindist; /* preceding the target sector */ 1280 char *name; /* name of disk type */ 1281 } hpst[] = { 1282 { 32, 5, 32*5, 823, rm03_sizes, 7, 4, 1, "RM03" }, 1283 { 32, 19, 32*19, 823, rm05_sizes, 7, 4, 1, "RM05" }, 1284 { 22,19, 22*19, 815, rp06_sizes, 7, 4, 1, "RP06"}, 1285 { 31, 14, 31*14, 559, rm80_sizes, 7, 4, 1, "RM80"}, 1286 { 22, 19, 22*19, 411, rp05_sizes, 7, 4, 1, "RP04"}, 1287 { 22, 19, 22*19, 411, rp05_sizes, 7, 4, 1, "RP05"}, 1288 { 50, 32, 50*32, 630, rp07_sizes, 15, 8, 3, "RP07"}, 1289 { 1, 1, 1, 1, 0, 0, 0, 0, "ML11A"}, 1290 { 1, 1, 1, 1, 0, 0, 0, 0, "ML11B" }, 1291 { 32, 40, 32*40, 843, cdc9775_sizes, 7, 4, 1, "9775" }, 1292 { 32, 10, 32*10, 823, cdc9730_sizes, 7, 4, 1, "9730-160" }, 1293 { 32, 16, 32*16, 1024, capricorn_sizes,10,4, 3, "capricorn" }, 1294 { 48, 20, 48*20, 842, eagle_sizes, 15, 8, 3, "eagle" }, 1295 { 32, 19, 32*19, 815, ampex_sizes, 7, 4, 1, "9300" }, 1296 { 64, 20, 64*20, 842, fj2361_sizes, 15, 8, 3, "2361" }, 1297 { 68, 20, 68*20, 842, fj2361a_sizes, 15, 8, 3, "2361a" }, 1298 }; 1299 1300 /* 1301 * Map apparent MASSBUS drive type into manufacturer 1302 * specific configuration. For SI controllers this is done 1303 * based on codes in the serial number register. For 1304 * EMULEX controllers, the track and sector attributes are 1305 * used when the drive type is an RM02 (not supported by DEC). 1306 */ 1307 hpmaptype(mi, lp) 1308 register struct mba_device *mi; 1309 register struct disklabel *lp; 1310 { 1311 register struct hpdevice *hpaddr = (struct hpdevice *)mi->mi_drv; 1312 register int type = mi->mi_type; 1313 register struct hpst *st; 1314 register i; 1315 1316 /* 1317 * Model-byte processing for SI controllers. 1318 * NB: Only deals with RM03 and RM05 emulations. 1319 */ 1320 if (type == HPDT_RM03 || type == HPDT_RM05) { 1321 int hpsn = hpaddr->hpsn; 1322 1323 if ((hpsn & SIMB_LU) == mi->mi_drive) 1324 switch ((hpsn & SIMB_MB) & ~(SIMB_S6|SIRM03|SIRM05)) { 1325 1326 case SI9775D: 1327 type = HPDT_9775; 1328 break; 1329 1330 case SI9730D: 1331 type = HPDT_9730; 1332 break; 1333 1334 case SI9766: 1335 type = HPDT_RM05; 1336 break; 1337 1338 case SI9762: 1339 type = HPDT_RM03; 1340 break; 1341 1342 case SICAPD: 1343 type = HPDT_CAPRICORN; 1344 break; 1345 1346 case SI9751D: 1347 type = HPDT_EAGLE; 1348 break; 1349 } 1350 mi->mi_type = type; 1351 } 1352 1353 /* 1354 * EMULEX SC750 or SC780. Poke the holding register. 1355 */ 1356 if (type == HPDT_RM02) { 1357 int nsectors, ntracks, ncyl; 1358 1359 hpaddr->hpof = HPOF_FMT22; 1360 mbclrattn(mi); 1361 hpaddr->hpcs1 = HP_NOP; 1362 hpaddr->hphr = HPHR_MAXTRAK; 1363 ntracks = MASKREG(hpaddr->hphr) + 1; 1364 DELAY(100); 1365 hpaddr->hpcs1 = HP_NOP; 1366 hpaddr->hphr = HPHR_MAXSECT; 1367 nsectors = MASKREG(hpaddr->hphr) + 1; 1368 DELAY(100); 1369 hpaddr->hpcs1 = HP_NOP; 1370 hpaddr->hphr = HPHR_MAXCYL; 1371 ncyl = MASKREG(hpaddr->hphr) + 1; 1372 for (type = 0; hptypes[type] != 0; type++) 1373 if (hpst[type].nsect == nsectors && 1374 hpst[type].ntrak == ntracks && 1375 hpst[type].ncyl == ncyl) 1376 break; 1377 1378 hpaddr->hpcs1 = HP_DCLR|HP_GO; 1379 mbclrattn(mi); /* conservative */ 1380 if (hptypes[type] == 0) { 1381 printf("hp%d: %d sectors, %d tracks, %d cylinders: unknown device\n", 1382 mi->mi_unit, nsectors, ntracks, ncyl); 1383 lp->d_nsectors = nsectors; 1384 lp->d_ntracks = ntracks; 1385 lp->d_ncylinders = ncyl; 1386 lp->d_secpercyl = nsectors*ntracks; 1387 lp->d_secperunit = lp->d_secpercyl * lp->d_ncylinders; 1388 #ifdef notdef /* set elsewhere */ 1389 lp->d_npartitions = 1; 1390 lp->d_partitions[0].p_offset = 0; 1391 #endif 1392 lp->d_partitions[0].p_size = lp->d_secperunit; 1393 return (0); 1394 } 1395 mi->mi_type = type; 1396 } 1397 1398 /* 1399 * set up minimal disk label. 1400 */ 1401 st = &hpst[type]; 1402 lp->d_nsectors = st->nsect; 1403 lp->d_ntracks = st->ntrak; 1404 lp->d_secpercyl = st->nspc; 1405 lp->d_ncylinders = st->ncyl; 1406 lp->d_secperunit = st->nspc * st->ncyl; 1407 lp->d_sdist = st->sdist; 1408 lp->d_mindist = st->mindist; 1409 lp->d_maxdist = st->maxdist; 1410 bcopy(hpst[type].name, lp->d_typename, sizeof(lp->d_typename)); 1411 lp->d_npartitions = 8; 1412 for (i = 0; i < 8; i++) { 1413 lp->d_partitions[i].p_offset = st->sizes[i].cyloff * 1414 lp->d_secpercyl; 1415 lp->d_partitions[i].p_size = st->sizes[i].nblocks; 1416 } 1417 return (1); 1418 } 1419 #endif COMPAT_42 1420 #endif 1421