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 7.18 (Berkeley) 02/17/90 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 sleep ((caddr_t)sc, PZERO+1); 206 splx(s); 207 if (sc->sc_state != OPEN && sc->sc_state != OPENRAW) 208 if (error = hpinit(dev, flags)) 209 return (error); 210 if (part >= lp->d_npartitions) 211 return (ENXIO); 212 /* 213 * Warn if a partion is opened 214 * that overlaps another partition which is open 215 * unless one is the "raw" partition (whole disk). 216 */ 217 #define RAWPART 2 /* 'c' partition */ /* XXX */ 218 if ((sc->sc_openpart & mask) == 0 && part != RAWPART) { 219 pp = &lp->d_partitions[part]; 220 start = pp->p_offset; 221 end = pp->p_offset + pp->p_size; 222 for (pp = lp->d_partitions; 223 pp < &lp->d_partitions[lp->d_npartitions]; pp++) { 224 if (pp->p_offset + pp->p_size <= start || 225 pp->p_offset >= end) 226 continue; 227 if (pp - lp->d_partitions == RAWPART) 228 continue; 229 if (sc->sc_openpart & (1 << (pp - lp->d_partitions))) 230 log(LOG_WARNING, 231 "hp%d%c: overlaps open partition (%c)\n", 232 unit, part + 'a', 233 pp - lp->d_partitions + 'a'); 234 } 235 } 236 switch (fmt) { 237 case S_IFCHR: 238 sc->sc_copenpart |= mask; 239 break; 240 case S_IFBLK: 241 sc->sc_bopenpart |= mask; 242 break; 243 } 244 sc->sc_openpart |= mask; 245 return (0); 246 } 247 248 /* ARGSUSED */ 249 hpclose(dev, flags, fmt) 250 dev_t dev; 251 int flags, fmt; 252 { 253 register int unit = hpunit(dev); 254 register struct hpsoftc *sc; 255 struct mba_device *mi; 256 int s, mask = 1 << hppart(dev); 257 258 sc = &hpsoftc[unit]; 259 mi = hpinfo[unit]; 260 switch (fmt) { 261 case S_IFCHR: 262 sc->sc_copenpart &= ~mask; 263 break; 264 case S_IFBLK: 265 sc->sc_bopenpart &= ~mask; 266 break; 267 } 268 sc->sc_openpart = sc->sc_copenpart | sc->sc_bopenpart; 269 270 /* 271 * Should wait for I/O to complete on this partition 272 * even if others are open, but wait for work on blkflush(). 273 */ 274 if (sc->sc_openpart == 0) { 275 s = spl5(); 276 while (mi->mi_tab.b_actf) 277 sleep((caddr_t)sc, PZERO - 1); 278 splx(s); 279 sc->sc_state = CLOSED; 280 sc->sc_wlabel = 0; 281 } 282 return (0); 283 } 284 285 hpinit(dev, flags) 286 dev_t dev; 287 int flags; 288 { 289 register struct hpsoftc *sc; 290 register struct buf *bp; 291 register struct disklabel *lp; 292 struct mba_device *mi; 293 struct hpdevice *hpaddr; 294 struct dkbad *db; 295 char *msg, *readdisklabel(); 296 int unit, i, error = 0; 297 298 unit = hpunit(dev); 299 sc = &hpsoftc[unit]; 300 lp = &hplabel[unit]; 301 mi = hpinfo[unit]; 302 hpaddr = (struct hpdevice *)mi->mi_drv; 303 304 sc->sc_state = WANTOPEN; 305 /* 306 * Use the default sizes until we've read the label, 307 * or longer if there isn't one there. 308 */ 309 if (lp->d_secpercyl == 0) { 310 lp->d_secsize = DEV_BSIZE; 311 lp->d_nsectors = 32; 312 lp->d_ntracks = 20; 313 lp->d_secpercyl = 32*20; 314 lp->d_npartitions = 1; 315 lp->d_partitions[0].p_offset = 0; 316 lp->d_partitions[0].p_size = LABELSECTOR + 1; 317 } 318 319 if (flags & O_NDELAY) 320 goto raw; 321 322 /* 323 * Map all ML11's to the same type. Also calculate 324 * transfer rates based on device characteristics. 325 * Set up dummy label with all that's needed. 326 */ 327 if (mi->mi_type == MBDT_ML11A || mi->mi_type == MBDT_ML11B) { 328 register int trt; 329 330 sc->sc_mlsize = hpaddr->hpmr & HPMR_SZ; 331 if ((hpaddr->hpmr & HPMR_ARRTYP) == 0) 332 sc->sc_mlsize >>= 2; 333 if (mi->mi_dk >= 0) { 334 trt = (hpaddr->hpmr & HPMR_TRT) >> 8; 335 dk_wpms[mi->mi_dk] = (1<<(20-trt)); 336 } 337 mi->mi_type = MBDT_ML11A; 338 lp->d_partitions[0].p_size = sc->sc_mlsize; 339 lp->d_secpercyl = sc->sc_mlsize; 340 goto raw; 341 } 342 343 /* 344 * Preset, pack acknowledge will be done in hpstart 345 * during first read operation. 346 */ 347 if (msg = readdisklabel(dev, hpstrategy, lp)) { 348 if (cold) 349 printf(": %s", msg); 350 else 351 log(LOG_ERR, "hp%d: %s\n", unit, msg); 352 #ifdef COMPAT_42 353 if (hpmaptype(mi, lp) == 0) 354 #endif 355 goto raw; 356 } 357 358 /* 359 * Seconds per word = (60 / rpm) / (nsectors * secsize/2) 360 */ 361 if (mi->mi_dk >= 0 && lp->d_rpm) 362 dk_wpms[mi->mi_dk] = 363 (lp->d_rpm * lp->d_nsectors * lp->d_secsize) / 120; 364 /* 365 * Read bad sector table into memory. 366 */ 367 bp = geteblk(DEV_BSIZE); /* max sector size */ 368 bp->b_dev = dev; 369 sc->sc_state = RDBADTBL; 370 i = 0; 371 do { 372 u.u_error = 0; /* XXX */ 373 bp->b_flags = B_BUSY | B_READ; 374 bp->b_blkno = lp->d_secperunit - lp->d_nsectors + i; 375 bp->b_bcount = lp->d_secsize; 376 bp->b_cylin = lp->d_ncylinders - 1; 377 hpstrategy(bp); 378 biowait(bp); 379 } while ((bp->b_flags & B_ERROR) && (i += 2) < 10 && 380 i < lp->d_nsectors); 381 db = (struct dkbad *)(bp->b_un.b_addr); 382 if ((bp->b_flags & B_ERROR) == 0 && db->bt_mbz == 0 && 383 db->bt_flag == 0) { 384 hpbad[unit] = *db; 385 } else { 386 log(LOG_ERR, "hp%d: %s bad-sector file\n", unit, 387 (bp->b_flags & B_ERROR) ? "can't read" : "format error in"); 388 u.u_error = 0; /* XXX */ 389 } 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) == 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\n", 717 MASKREG(hpaddr->hper1), HPER1_BITS, 718 MASKREG(hpaddr->hper2), HPER2_BITS); 719 bp->b_flags |= B_ERROR; 720 bp->b_flags &= ~B_BAD; 721 } else 722 retry = 1; 723 hpaddr->hpcs1 = HP_DCLR|HP_GO; 724 if (retry && (mi->mi_tab.b_errcnt & 07) == 4) { 725 hpaddr->hpcs1 = HP_RECAL|HP_GO; 726 sc->sc_recal = 1; 727 return (MBD_REPOSITION); 728 } 729 } 730 #ifdef HPDEBUG 731 else 732 if (hpdebug && sc->sc_recal) { 733 log(LOG_DEBUG, 734 "recal %d errcnt %d mbsr=%b er1=%b er2=%b\n", 735 sc->sc_recal, mi->mi_tab.b_errcnt, mbsr, mbsr_bits, 736 hpaddr->hper1, HPER1_BITS, 737 hpaddr->hper2, HPER2_BITS); 738 } 739 #endif 740 (void)HPWAIT(mi, hpaddr); 741 if (retry) 742 return (MBD_RETRY); 743 if (mi->mi_tab.b_errcnt >= 16) { 744 /* 745 * This is fast and occurs rarely; we don't 746 * bother with interrupts. 747 */ 748 hpaddr->hpcs1 = HP_RTC|HP_GO; 749 (void)HPWAIT(mi, hpaddr); 750 mbclrattn(mi); 751 } 752 if (mi->mi_tab.b_errcnt && (bp->b_flags & B_ERROR) == 0) { 753 diskerr(bp, "hp", "retries", LOG_INFO, sc->sc_blkdone, 754 &hplabel[mi->mi_unit]); 755 addlog(": %d retries\n", mi->mi_tab.b_errcnt); 756 } 757 if ((bp->b_flags & B_BAD) && hpecc(mi, CONT)) 758 return (MBD_RESTARTED); 759 sc->sc_blkdone = 0; 760 bp->b_resid = bcr; 761 if (!ML11(mi->mi_type)) { 762 hpaddr->hpof = HPOF_FMT22; 763 hpaddr->hpcs1 = HP_RELEASE|HP_GO; 764 } 765 if (sc->sc_openpart == 0) 766 wakeup((caddr_t)sc); 767 return (MBD_DONE); 768 } 769 770 /* 771 * Wait (for a bit) for a drive to come ready; 772 * returns nonzero on success. 773 */ 774 hpwait(mi) 775 register struct mba_device *mi; 776 { 777 register struct hpdevice *hpaddr = (struct hpdevice *)mi->mi_drv; 778 register i = 100000; 779 780 while ((hpaddr->hpds & HPDS_DRY) == 0 && --i) 781 DELAY(10); 782 if (i == 0) 783 printf("hp%d: intr, not ready\n", mi->mi_unit); 784 return (i); 785 } 786 787 hpioctl(dev, cmd, data, flag) 788 dev_t dev; 789 int cmd; 790 caddr_t data; 791 int flag; 792 { 793 int unit = hpunit(dev); 794 register struct disklabel *lp; 795 register struct hpsoftc *sc = &hpsoftc[unit]; 796 int error = 0; 797 int hpformat(); 798 799 lp = &hplabel[unit]; 800 801 switch (cmd) { 802 803 case DIOCGDINFO: 804 *(struct disklabel *)data = *lp; 805 break; 806 807 case DIOCGPART: 808 ((struct partinfo *)data)->disklab = lp; 809 ((struct partinfo *)data)->part = 810 &lp->d_partitions[hppart(dev)]; 811 break; 812 813 case DIOCSDINFO: 814 if ((flag & FWRITE) == 0) 815 error = EBADF; 816 else 817 error = setdisklabel(lp, (struct disklabel *)data, 818 (sc->sc_state == OPENRAW) ? 0 : sc->sc_openpart); 819 if (error == 0) 820 sc->sc_state = OPEN; 821 break; 822 823 case DIOCWLABEL: 824 if ((flag & FWRITE) == 0) 825 error = EBADF; 826 else 827 sc->sc_wlabel = *(int *)data; 828 break; 829 830 case DIOCWDINFO: 831 if ((flag & FWRITE) == 0) 832 error = EBADF; 833 else if ((error = setdisklabel(lp, (struct disklabel *)data, 834 (sc->sc_state == OPENRAW) ? 0 : sc->sc_openpart)) == 0) { 835 int wlab; 836 837 sc->sc_state = OPEN; 838 /* simulate opening partition 0 so write succeeds */ 839 sc->sc_openpart |= (1 << 0); /* XXX */ 840 wlab = sc->sc_wlabel; 841 sc->sc_wlabel = 1; 842 error = writedisklabel(dev, hpstrategy, lp); 843 sc->sc_openpart = sc->sc_copenpart | sc->sc_bopenpart; 844 sc->sc_wlabel = wlab; 845 } 846 break; 847 848 case DIOCSBAD: 849 { 850 struct dkbad *db = (struct dkbad *)data; 851 852 if ((flag & FWRITE) == 0) 853 error = EBADF; 854 else if (db->bt_mbz != 0 || db->bt_flag != 0) 855 error = EINVAL; 856 else 857 hpbad[unit] = *db; 858 break; 859 } 860 861 case DIOCRFORMAT: 862 case DIOCWFORMAT: 863 { 864 register struct format_op *fop; 865 struct uio auio; 866 struct iovec aiov; 867 868 if (cmd == DIOCWFORMAT && (flag & FWRITE) == 0) { 869 error = EBADF; 870 break; 871 } 872 fop = (struct format_op *)data; 873 aiov.iov_base = fop->df_buf; 874 aiov.iov_len = fop->df_count; 875 auio.uio_iov = &aiov; 876 auio.uio_iovcnt = 1; 877 auio.uio_resid = fop->df_count; 878 auio.uio_segflg = UIO_USERSPACE; 879 auio.uio_offset = fop->df_startblk * lp->d_secsize; 880 /* 881 * Don't return errors, as the format op won't get copied 882 * out if we return nonzero. Callers must check the returned 883 * count. 884 */ 885 (void) physio(hpformat, (struct buf *)NULL, dev, 886 (cmd == DIOCWFORMAT ? B_WRITE : B_READ), minphys, &auio); 887 fop->df_count -= auio.uio_resid; 888 fop->df_reg[0] = sc->sc_status; 889 fop->df_reg[1] = sc->sc_hpds; 890 fop->df_reg[2] = sc->sc_er1; 891 fop->df_reg[3] = sc->sc_er2; 892 break; 893 } 894 895 #ifdef COMPAT_42 896 case DKIOCHDR: /* do header read/write */ /* XXX */ 897 sc->sc_hdr = 1; 898 break; 899 #endif 900 901 default: 902 error = ENOTTY; 903 break; 904 } 905 return (error); 906 } 907 908 hpformat(bp) 909 struct buf *bp; 910 { 911 bp->b_flags |= B_FORMAT; 912 hpstrategy(bp); 913 } 914 915 hpecc(mi, flag) 916 register struct mba_device *mi; 917 int flag; 918 { 919 register struct mba_regs *mbp = mi->mi_mba; 920 register struct hpdevice *rp = (struct hpdevice *)mi->mi_drv; 921 register struct buf *bp = mi->mi_tab.b_actf; 922 register struct disklabel *lp = &hplabel[mi->mi_unit]; 923 struct hpsoftc *sc = &hpsoftc[mi->mi_unit]; 924 int npf, o; 925 int bn, cn, tn, sn; 926 int bcr; 927 928 bcr = MASKREG(-mbp->mba_bcr); 929 if (bp->b_flags & B_BAD) 930 npf = bp->b_error; 931 else { 932 npf = bp->b_bcount - bcr; 933 /* 934 * Watch out for fractional sector at end of transfer; 935 * want to round up if finished, otherwise round down. 936 */ 937 if (bcr == 0) 938 npf += 511; 939 npf = btodb(npf); 940 } 941 o = (int)bp->b_un.b_addr & PGOFSET; 942 bn = bp->b_blkno; 943 cn = bp->b_cylin; 944 sn = bn % lp->d_secpercyl + npf; 945 tn = sn / lp->d_nsectors; 946 sn %= lp->d_nsectors; 947 cn += tn / lp->d_ntracks; 948 tn %= lp->d_ntracks; 949 bn += npf; 950 switch (flag) { 951 case ECC: { 952 register int i; 953 caddr_t addr; 954 struct pte mpte; 955 int bit, byte, mask; 956 957 npf--; /* because block in error is previous block */ 958 diskerr(bp, "hp", "soft ecc", LOG_WARNING, npf, lp); 959 if (bp->b_flags & B_BAD) 960 addlog(" (on replacement sector %d)", sc->sc_badbn); 961 addlog("\n"); 962 mask = MASKREG(rp->hpec2); 963 i = MASKREG(rp->hpec1) - 1; /* -1 makes 0 origin */ 964 bit = i&07; 965 i = (i&~07)>>3; 966 byte = i + o; 967 while (i < 512 && (int)dbtob(npf)+i < bp->b_bcount && bit > -11) { 968 mpte = mbp->mba_map[npf+btop(byte)]; 969 addr = ptob(mpte.pg_pfnum) + (byte & PGOFSET); 970 putmemc(addr, getmemc(addr)^(mask<<bit)); 971 byte++; 972 i++; 973 bit -= 8; 974 } 975 if (bcr == 0) 976 return (0); 977 npf++; 978 break; 979 } 980 981 case SSE: 982 rp->hpof |= HPOF_SSEI; 983 if (bp->b_flags & B_BAD) { 984 bn = sc->sc_badbn; 985 goto fixregs; 986 } 987 mbp->mba_bcr = -(bp->b_bcount - (int)ptob(npf)); 988 break; 989 990 case BSE: 991 if (sc->sc_state == OPENRAW) 992 return (0); 993 if (rp->hpof & HPOF_SSEI) 994 sn++; 995 #ifdef HPBDEBUG 996 if (hpbdebug) 997 log(LOG_DEBUG, "hpecc, BSE: bn %d cn %d tn %d sn %d\n", bn, cn, tn, sn); 998 #endif 999 if (bp->b_flags & B_BAD) 1000 return (0); 1001 if ((bn = isbad(&hpbad[mi->mi_unit], cn, tn, sn)) < 0) 1002 return (0); 1003 bp->b_flags |= B_BAD; 1004 bp->b_error = npf + 1; 1005 rp->hpof &= ~HPOF_SSEI; 1006 bn = lp->d_ncylinders * lp->d_secpercyl - 1007 lp->d_nsectors - 1 - bn; 1008 sc->sc_badbn = bn; 1009 fixregs: 1010 cn = bn / lp->d_secpercyl; 1011 sn = bn % lp->d_secpercyl; 1012 tn = sn / lp->d_nsectors; 1013 sn %= lp->d_nsectors; 1014 bcr = bp->b_bcount - (int)ptob(npf); 1015 bcr = MIN(bcr, 512); 1016 mbp->mba_bcr = -bcr; 1017 #ifdef HPBDEBUG 1018 if (hpbdebug) 1019 log(LOG_DEBUG, "revector to cn %d tn %d sn %d\n", cn, tn, sn); 1020 #endif 1021 break; 1022 1023 case CONT: 1024 #ifdef HPBDEBUG 1025 if (hpbdebug) 1026 log(LOG_DEBUG, "hpecc, CONT: bn %d cn %d tn %d sn %d\n", bn,cn,tn,sn); 1027 #endif 1028 bp->b_flags &= ~B_BAD; 1029 if ((int)ptob(npf) >= bp->b_bcount) 1030 return (0); 1031 mbp->mba_bcr = -(bp->b_bcount - (int)ptob(npf)); 1032 break; 1033 } 1034 rp->hpcs1 = HP_DCLR|HP_GO; 1035 if (rp->hpof & HPOF_SSEI) 1036 sn++; 1037 rp->hpdc = cn; 1038 rp->hpda = (tn<<8) + sn; 1039 mbp->mba_sr = -1; 1040 mbp->mba_var = (int)ptob(npf) + o; 1041 rp->hpcs1 = bp->b_flags&B_READ ? HP_RCOM|HP_GO : HP_WCOM|HP_GO; 1042 mi->mi_tab.b_errcnt = 0; /* error has been corrected */ 1043 sc->sc_blkdone = npf; 1044 return (1); 1045 } 1046 1047 #define DBSIZE 20 1048 1049 hpdump(dev) 1050 dev_t dev; 1051 { 1052 register struct mba_device *mi; 1053 register struct mba_regs *mba; 1054 struct hpdevice *hpaddr; 1055 char *start; 1056 int num, unit; 1057 register struct disklabel *lp; 1058 1059 num = maxfree; 1060 start = 0; 1061 unit = hpunit(dev); 1062 if (unit >= NHP) 1063 return (ENXIO); 1064 #define phys(a,b) ((b)((int)(a)&0x7fffffff)) 1065 mi = phys(hpinfo[unit],struct mba_device *); 1066 if (mi == 0 || mi->mi_alive == 0) 1067 return (ENXIO); 1068 lp = &hplabel[unit]; 1069 mba = phys(mi->mi_hd, struct mba_hd *)->mh_physmba; 1070 mba->mba_cr = MBCR_INIT; 1071 hpaddr = (struct hpdevice *)&mba->mba_drv[mi->mi_drive]; 1072 if ((hpaddr->hpds & HPDS_VV) == 0) { 1073 hpaddr->hpcs1 = HP_DCLR|HP_GO; 1074 hpaddr->hpcs1 = HP_PRESET|HP_GO; 1075 hpaddr->hpof = HPOF_FMT22; 1076 } 1077 if (dumplo < 0) 1078 return (EINVAL); 1079 if (dumplo + num >= lp->d_partitions[hppart(dev)].p_size) 1080 num = lp->d_partitions[hppart(dev)].p_size - dumplo; 1081 while (num > 0) { 1082 register struct pte *hpte = mba->mba_map; 1083 register int i; 1084 int blk, cn, sn, tn; 1085 daddr_t bn; 1086 1087 blk = num > DBSIZE ? DBSIZE : num; 1088 bn = dumplo + btodb(start); 1089 cn = (bn + lp->d_partitions[hppart(dev)].p_offset) / 1090 lp->d_secpercyl; 1091 sn = bn % lp->d_secpercyl; 1092 tn = sn / lp->d_nsectors; 1093 sn = sn % lp->d_nsectors; 1094 hpaddr->hpdc = cn; 1095 hpaddr->hpda = (tn << 8) + sn; 1096 for (i = 0; i < blk; i++) 1097 *(int *)hpte++ = (btop(start)+i) | PG_V; 1098 mba->mba_sr = -1; 1099 mba->mba_bcr = -(blk*NBPG); 1100 mba->mba_var = 0; 1101 hpaddr->hpcs1 = HP_WCOM | HP_GO; 1102 while ((hpaddr->hpds & HPDS_DRY) == 0) 1103 DELAY(10); 1104 if (hpaddr->hpds&HPDS_ERR) 1105 return (EIO); 1106 start += blk*NBPG; 1107 num -= blk; 1108 } 1109 return (0); 1110 } 1111 1112 hpsize(dev) 1113 dev_t dev; 1114 { 1115 register int unit = hpunit(dev); 1116 struct mba_device *mi; 1117 1118 if (unit >= NHP || (mi = hpinfo[unit]) == 0 || mi->mi_alive == 0 || 1119 hpsoftc[unit].sc_state != OPEN) 1120 return (-1); 1121 return ((int)hplabel[unit].d_partitions[hppart(dev)].p_size); 1122 } 1123 1124 #ifdef COMPAT_42 1125 /* 1126 * Compatibility code to fake up pack label 1127 * for unlabeled disks. 1128 */ 1129 struct size { 1130 daddr_t nblocks; 1131 int cyloff; 1132 } rp06_sizes[8] = { 1133 15884, 0, /* A=cyl 0 thru 37 */ 1134 33440, 38, /* B=cyl 38 thru 117 */ 1135 340670, 0, /* C=cyl 0 thru 814 */ 1136 15884, 118, /* D=cyl 118 thru 155 */ 1137 55936, 156, /* E=cyl 156 thru 289 */ 1138 219384, 290, /* F=cyl 290 thru 814 */ 1139 291192, 118, /* G=cyl 118 thru 814 */ 1140 0, 0, 1141 }, rp05_sizes[8] = { 1142 15884, 0, /* A=cyl 0 thru 37 */ 1143 33440, 38, /* B=cyl 38 thru 117 */ 1144 171798, 0, /* C=cyl 0 thru 410 */ 1145 15884, 118, /* D=cyl 118 thru 155 */ 1146 55936, 156, /* E=cyl 156 thru 289 */ 1147 50512, 290, /* F=cyl 290 thru 410 */ 1148 122408, 118, /* G=cyl 118 thru 410 */ 1149 0, 0, 1150 }, rm03_sizes[8] = { 1151 15884, 0, /* A=cyl 0 thru 99 */ 1152 33440, 100, /* B=cyl 100 thru 308 */ 1153 131680, 0, /* C=cyl 0 thru 822 */ 1154 15884, 309, /* D=cyl 309 thru 408 */ 1155 55936, 409, /* E=cyl 409 thru 758 */ 1156 10144, 759, /* F=cyl 759 thru 822 */ 1157 82144, 309, /* G=cyl 309 thru 822 */ 1158 0, 0, 1159 }, rm05_sizes[8] = { 1160 15884, 0, /* A=cyl 0 thru 26 */ 1161 33440, 27, /* B=cyl 27 thru 81 */ 1162 500384, 0, /* C=cyl 0 thru 822 */ 1163 15884, 562, /* D=cyl 562 thru 588 */ 1164 55936, 589, /* E=cyl 589 thru 680 */ 1165 86240, 681, /* F=cyl 681 thru 822 */ 1166 158592, 562, /* G=cyl 562 thru 822 */ 1167 291346, 82, /* H=cyl 82 thru 561 */ 1168 }, rm80_sizes[8] = { 1169 15884, 0, /* A=cyl 0 thru 36 */ 1170 33440, 37, /* B=cyl 37 thru 114 */ 1171 242606, 0, /* C=cyl 0 thru 558 */ 1172 15884, 115, /* D=cyl 115 thru 151 */ 1173 55936, 152, /* E=cyl 152 thru 280 */ 1174 120559, 281, /* F=cyl 281 thru 558 */ 1175 192603, 115, /* G=cyl 115 thru 558 */ 1176 0, 0, 1177 }, rp07_sizes[8] = { 1178 15884, 0, /* A=cyl 0 thru 9 */ 1179 66880, 10, /* B=cyl 10 thru 51 */ 1180 1008000, 0, /* C=cyl 0 thru 629 */ 1181 15884, 235, /* D=cyl 235 thru 244 */ 1182 307200, 245, /* E=cyl 245 thru 436 */ 1183 308650, 437, /* F=cyl 437 thru 629 */ 1184 631850, 235, /* G=cyl 235 thru 629 */ 1185 291346, 52, /* H=cyl 52 thru 234 */ 1186 }, cdc9775_sizes[8] = { 1187 15884, 0, /* A=cyl 0 thru 12 */ 1188 66880, 13, /* B=cyl 13 thru 65 */ 1189 1077760, 0, /* C=cyl 0 thru 841 */ 1190 15884, 294, /* D=cyl 294 thru 306 */ 1191 307200, 307, /* E=cyl 307 thru 546 */ 1192 377440, 547, /* F=cyl 547 thru 841 */ 1193 701280, 294, /* G=cyl 294 thru 841 */ 1194 291346, 66, /* H=cyl 66 thru 293 */ 1195 }, cdc9730_sizes[8] = { 1196 15884, 0, /* A=cyl 0 thru 49 */ 1197 33440, 50, /* B=cyl 50 thru 154 */ 1198 263360, 0, /* C=cyl 0 thru 822 */ 1199 15884, 155, /* D=cyl 155 thru 204 */ 1200 55936, 205, /* E=cyl 205 thru 379 */ 1201 141664, 380, /* F=cyl 380 thru 822 */ 1202 213664, 155, /* G=cyl 155 thru 822 */ 1203 0, 0, 1204 }, capricorn_sizes[8] = { 1205 15884, 0, /* A=cyl 0 thru 31 */ 1206 33440, 32, /* B=cyl 32 thru 97 */ 1207 524288, 0, /* C=cyl 0 thru 1023 */ 1208 15884, 668, /* D=cyl 668 thru 699 */ 1209 55936, 700, /* E=cyl 700 thru 809 */ 1210 109472, 810, /* F=cyl 810 thru 1023 */ 1211 182176, 668, /* G=cyl 668 thru 1023 */ 1212 291346, 98, /* H=cyl 98 thru 667 */ 1213 }, eagle_sizes[8] = { 1214 15884, 0, /* A=cyl 0 thru 16 */ 1215 66880, 17, /* B=cyl 17 thru 86 */ 1216 808320, 0, /* C=cyl 0 thru 841 */ 1217 15884, 391, /* D=cyl 391 thru 407 */ 1218 307200, 408, /* E=cyl 408 thru 727 */ 1219 109296, 728, /* F=cyl 728 thru 841 */ 1220 432816, 391, /* G=cyl 391 thru 841 */ 1221 291346, 87, /* H=cyl 87 thru 390 */ 1222 }, ampex_sizes[8] = { 1223 15884, 0, /* A=cyl 0 thru 26 */ 1224 33440, 27, /* B=cyl 27 thru 81 */ 1225 495520, 0, /* C=cyl 0 thru 814 */ 1226 15884, 562, /* D=cyl 562 thru 588 */ 1227 55936, 589, /* E=cyl 589 thru 680 */ 1228 81312, 681, /* F=cyl 681 thru 814 */ 1229 153664, 562, /* G=cyl 562 thru 814 */ 1230 291346, 82, /* H=cyl 82 thru 561 */ 1231 }, fj2361_sizes[8] = { 1232 15884, 0, /* A=cyl 0 thru 12 */ 1233 66880, 13, /* B=cyl 13 thru 65 */ 1234 1077760, 0, /* C=cyl 0 thru 841 */ 1235 15884, 294, /* D=cyl 294 thru 306 */ 1236 307200, 307, /* E=cyl 307 thru 546 */ 1237 377408, 547, /* F=cyl 547 thru 841 */ 1238 701248, 294, /* G=cyl 294 thru 841 */ 1239 291346, 66, /* H=cyl 66 thru 293 */ 1240 }, fj2361a_sizes[8] = { 1241 15884, 0, /* A=cyl 0 thru 11 */ 1242 66880, 12, /* B=cyl 12 thru 61 */ 1243 1145120, 0, /* C=cyl 0 thru 841 */ 1244 15884, 277, /* D=cyl 277 thru 288 */ 1245 307200, 289, /* E=cyl 289 thru 514 */ 1246 444516, 515, /* F=cyl 515 thru 841 */ 1247 768196, 277, /* G=cyl 277 thru 841 */ 1248 291346, 62, /* H=cyl 62 thru 276 */ 1249 }; 1250 1251 /* 1252 * These variable are all measured in sectors. 1253 * Sdist is how much to "lead" in the search for a desired sector 1254 * (i.e. if want N, search for N-sdist.) 1255 * Maxdist and mindist define the region right before our desired sector within 1256 * which we don't bother searching. We don't search when we are already less 1257 * then maxdist and more than mindist sectors "before" our desired sector. 1258 * Maxdist should be >= sdist. 1259 * 1260 * Beware, sdist, mindist and maxdist are not well tuned 1261 * for many of the drives listed in this table. 1262 * Try patching things with something i/o intensive 1263 * running and watch iostat. 1264 * 1265 * The order of these entries must agree with the indices in hptypes[]. 1266 */ 1267 struct hpst { 1268 short nsect; /* # sectors/track */ 1269 short ntrak; /* # tracks/cylinder */ 1270 short nspc; /* # sector/cylinders */ 1271 short ncyl; /* # cylinders */ 1272 struct size *sizes; /* partition tables */ 1273 short sdist; /* seek distance metric */ 1274 short maxdist; /* boundaries of non-searched area */ 1275 short mindist; /* preceding the target sector */ 1276 char *name; /* name of disk type */ 1277 } hpst[] = { 1278 { 32, 5, 32*5, 823, rm03_sizes, 7, 4, 1, "RM03" }, 1279 { 32, 19, 32*19, 823, rm05_sizes, 7, 4, 1, "RM05" }, 1280 { 22,19, 22*19, 815, rp06_sizes, 7, 4, 1, "RP06"}, 1281 { 31, 14, 31*14, 559, rm80_sizes, 7, 4, 1, "RM80"}, 1282 { 22, 19, 22*19, 411, rp05_sizes, 7, 4, 1, "RP04"}, 1283 { 22, 19, 22*19, 411, rp05_sizes, 7, 4, 1, "RP05"}, 1284 { 50, 32, 50*32, 630, rp07_sizes, 15, 8, 3, "RP07"}, 1285 { 1, 1, 1, 1, 0, 0, 0, 0, "ML11A"}, 1286 { 1, 1, 1, 1, 0, 0, 0, 0, "ML11B" }, 1287 { 32, 40, 32*40, 843, cdc9775_sizes, 7, 4, 1, "9775" }, 1288 { 32, 10, 32*10, 823, cdc9730_sizes, 7, 4, 1, "9730-160" }, 1289 { 32, 16, 32*16, 1024, capricorn_sizes,10,4, 3, "capricorn" }, 1290 { 48, 20, 48*20, 842, eagle_sizes, 15, 8, 3, "eagle" }, 1291 { 32, 19, 32*19, 815, ampex_sizes, 7, 4, 1, "9300" }, 1292 { 64, 20, 64*20, 842, fj2361_sizes, 15, 8, 3, "2361" }, 1293 { 68, 20, 68*20, 842, fj2361a_sizes, 15, 8, 3, "2361a" }, 1294 }; 1295 1296 /* 1297 * Map apparent MASSBUS drive type into manufacturer 1298 * specific configuration. For SI controllers this is done 1299 * based on codes in the serial number register. For 1300 * EMULEX controllers, the track and sector attributes are 1301 * used when the drive type is an RM02 (not supported by DEC). 1302 */ 1303 hpmaptype(mi, lp) 1304 register struct mba_device *mi; 1305 register struct disklabel *lp; 1306 { 1307 register struct hpdevice *hpaddr = (struct hpdevice *)mi->mi_drv; 1308 register int type = mi->mi_type; 1309 register struct hpst *st; 1310 register i; 1311 1312 /* 1313 * Model-byte processing for SI controllers. 1314 * NB: Only deals with RM03 and RM05 emulations. 1315 */ 1316 if (type == HPDT_RM03 || type == HPDT_RM05) { 1317 int hpsn = hpaddr->hpsn; 1318 1319 if ((hpsn & SIMB_LU) == mi->mi_drive) 1320 switch ((hpsn & SIMB_MB) & ~(SIMB_S6|SIRM03|SIRM05)) { 1321 1322 case SI9775D: 1323 type = HPDT_9775; 1324 break; 1325 1326 case SI9730D: 1327 type = HPDT_9730; 1328 break; 1329 1330 case SI9766: 1331 type = HPDT_RM05; 1332 break; 1333 1334 case SI9762: 1335 type = HPDT_RM03; 1336 break; 1337 1338 case SICAPD: 1339 type = HPDT_CAPRICORN; 1340 break; 1341 1342 case SI9751D: 1343 type = HPDT_EAGLE; 1344 break; 1345 } 1346 mi->mi_type = type; 1347 } 1348 1349 /* 1350 * EMULEX SC750 or SC780. Poke the holding register. 1351 */ 1352 if (type == HPDT_RM02) { 1353 int nsectors, ntracks, ncyl; 1354 1355 hpaddr->hpof = HPOF_FMT22; 1356 mbclrattn(mi); 1357 hpaddr->hpcs1 = HP_NOP; 1358 hpaddr->hphr = HPHR_MAXTRAK; 1359 ntracks = MASKREG(hpaddr->hphr) + 1; 1360 DELAY(100); 1361 hpaddr->hpcs1 = HP_NOP; 1362 hpaddr->hphr = HPHR_MAXSECT; 1363 nsectors = MASKREG(hpaddr->hphr) + 1; 1364 DELAY(100); 1365 hpaddr->hpcs1 = HP_NOP; 1366 hpaddr->hphr = HPHR_MAXCYL; 1367 ncyl = MASKREG(hpaddr->hphr) + 1; 1368 for (type = 0; hptypes[type] != 0; type++) 1369 if (hpst[type].nsect == nsectors && 1370 hpst[type].ntrak == ntracks && 1371 hpst[type].ncyl == ncyl) 1372 break; 1373 1374 hpaddr->hpcs1 = HP_DCLR|HP_GO; 1375 mbclrattn(mi); /* conservative */ 1376 if (hptypes[type] == 0) { 1377 printf("hp%d: %d sectors, %d tracks, %d cylinders: unknown device\n", 1378 mi->mi_unit, nsectors, ntracks, ncyl); 1379 lp->d_nsectors = nsectors; 1380 lp->d_ntracks = ntracks; 1381 lp->d_ncylinders = ncyl; 1382 lp->d_secpercyl = nsectors*ntracks; 1383 lp->d_secperunit = lp->d_secpercyl * lp->d_ncylinders; 1384 #ifdef notdef /* set elsewhere */ 1385 lp->d_npartitions = 1; 1386 lp->d_partitions[0].p_offset = 0; 1387 #endif 1388 lp->d_partitions[0].p_size = lp->d_secperunit; 1389 return (0); 1390 } 1391 mi->mi_type = type; 1392 } 1393 1394 /* 1395 * set up minimal disk label. 1396 */ 1397 st = &hpst[type]; 1398 lp->d_nsectors = st->nsect; 1399 lp->d_ntracks = st->ntrak; 1400 lp->d_secpercyl = st->nspc; 1401 lp->d_ncylinders = st->ncyl; 1402 lp->d_secperunit = st->nspc * st->ncyl; 1403 lp->d_sdist = st->sdist; 1404 lp->d_mindist = st->mindist; 1405 lp->d_maxdist = st->maxdist; 1406 bcopy(hpst[type].name, lp->d_typename, sizeof(lp->d_typename)); 1407 lp->d_npartitions = 8; 1408 for (i = 0; i < 8; i++) { 1409 lp->d_partitions[i].p_offset = st->sizes[i].cyloff * 1410 lp->d_secpercyl; 1411 lp->d_partitions[i].p_size = st->sizes[i].nblocks; 1412 } 1413 return (1); 1414 } 1415 #endif COMPAT_42 1416 #endif 1417