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 7.11 (Berkeley) 05/27/88 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 "dir.h" 30 #include "file.h" 31 #include "user.h" 32 #include "map.h" 33 #include "../vax/mtpr.h" 34 #include "vm.h" 35 #include "cmap.h" 36 #include "dkbad.h" 37 #include "disklabel.h" 38 #include "ioctl.h" 39 #include "uio.h" 40 #include "syslog.h" 41 #include "stat.h" 42 43 #include "../machine/pte.h" 44 #include "../vax/dkio.h" 45 #include "mbareg.h" 46 #include "mbavar.h" 47 #include "hpreg.h" 48 49 #define COMPAT_42 50 #define B_FORMAT B_XXX 51 52 /* 53 * Table of supported Massbus drive types. 54 * When using unlabeled packs, slot numbers here 55 * are used as indices into the partition tables. 56 * Slots are left for those drives divined from other means 57 * (e.g. SI, AMPEX, etc.). 58 */ 59 short hptypes[] = { 60 #define HPDT_RM03 0 61 MBDT_RM03, 62 #define HPDT_RM05 1 63 MBDT_RM05, 64 #define HPDT_RP06 2 65 MBDT_RP06, 66 #define HPDT_RM80 3 67 MBDT_RM80, 68 #define HPDT_RP04 4 69 MBDT_RP04, 70 #define HPDT_RP05 5 71 MBDT_RP05, 72 #define HPDT_RP07 6 73 MBDT_RP07, 74 #define HPDT_ML11A 7 75 MBDT_ML11A, 76 #define HPDT_ML11B 8 77 MBDT_ML11B, 78 #define HPDT_9775 9 79 -1, 80 #define HPDT_9730 10 81 -1, 82 #define HPDT_CAPRICORN 11 83 -1, 84 #define HPDT_EAGLE 12 85 -1, 86 #define HPDT_9300 13 87 -1, 88 #define HPDT_RM02 14 89 MBDT_RM02, /* beware, actually mapped */ 90 #define HPDT_2361 15 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 } 315 316 if (flags & O_NDELAY) 317 goto raw; 318 319 /* 320 * Map all ML11's to the same type. Also calculate 321 * transfer rates based on device characteristics. 322 * Set up dummy label with all that's needed. 323 */ 324 if (mi->mi_type == MBDT_ML11A || mi->mi_type == MBDT_ML11B) { 325 register int trt; 326 327 sc->sc_mlsize = hpaddr->hpmr & HPMR_SZ; 328 if ((hpaddr->hpmr & HPMR_ARRTYP) == 0) 329 sc->sc_mlsize >>= 2; 330 if (mi->mi_dk >= 0) { 331 trt = (hpaddr->hpmr & HPMR_TRT) >> 8; 332 dk_mspw[mi->mi_dk] = 1.0 / (1<<(20-trt)); 333 } 334 mi->mi_type = MBDT_ML11A; 335 lp->d_partitions[0].p_size = sc->sc_mlsize; 336 lp->d_secpercyl = sc->sc_mlsize; 337 goto raw; 338 } 339 340 /* 341 * Preset, pack acknowledge will be done in hpstart 342 * during first read operation. 343 */ 344 if (msg = readdisklabel(dev, hpstrategy, lp)) { 345 if (cold) 346 printf(": %s", msg); 347 else 348 log(LOG_ERR, "hp%d: %s\n", unit, msg); 349 #ifdef COMPAT_42 350 if ((mi->mi_type = hpmaptype(mi, lp)) == 0) 351 #endif 352 goto raw; 353 } 354 355 /* 356 * Seconds per word = (60 / rpm) / (nsectors * secsize/2) 357 */ 358 if (mi->mi_dk >= 0 && lp->d_rpm) 359 dk_mspw[mi->mi_dk] = 120.0 / 360 (lp->d_rpm * lp->d_nsectors * lp->d_secsize); 361 /* 362 * Read bad sector table into memory. 363 */ 364 bp = geteblk(DEV_BSIZE); /* max sector size */ 365 bp->b_dev = dev; 366 sc->sc_state = RDBADTBL; 367 i = 0; 368 do { 369 u.u_error = 0; /* XXX */ 370 bp->b_flags = B_BUSY | B_READ; 371 bp->b_blkno = lp->d_secperunit - lp->d_nsectors + i; 372 bp->b_bcount = lp->d_secsize; 373 bp->b_cylin = lp->d_ncylinders - 1; 374 hpstrategy(bp); 375 biowait(bp); 376 } while ((bp->b_flags & B_ERROR) && (i += 2) < 10 && 377 i < lp->d_nsectors); 378 db = (struct dkbad *)(bp->b_un.b_addr); 379 if ((bp->b_flags & B_ERROR) == 0 && db->bt_mbz == 0 && 380 db->bt_flag == 0) { 381 hpbad[unit] = *db; 382 } else { 383 log(LOG_ERR, "hp%d: %s bad-sector file\n", unit, 384 (bp->b_flags & B_ERROR) ? "can't read" : "format error in"); 385 u.u_error = 0; /* XXX */ 386 } 387 sc->sc_state = OPEN; 388 bp->b_flags = B_INVAL | B_AGE; 389 brelse(bp); 390 wakeup((caddr_t)sc); 391 return (error); 392 393 raw: 394 if (cold) 395 sc->sc_state = CLOSED; 396 else { 397 sc->sc_state = OPENRAW; 398 wakeup((caddr_t)sc); 399 } 400 return (error); 401 } 402 403 hpstrategy(bp) 404 register struct buf *bp; 405 { 406 register struct mba_device *mi; 407 register struct disklabel *lp; 408 register struct hpsoftc *sc; 409 register int unit; 410 daddr_t sz, maxsz; 411 int xunit = hppart(bp->b_dev); 412 int s; 413 414 sz = (bp->b_bcount + DEV_BSIZE - 1) >> DEV_BSHIFT; 415 unit = hpunit(bp->b_dev); 416 if (unit >= NHP) { 417 bp->b_error = ENXIO; 418 goto bad; 419 } 420 mi = hpinfo[unit]; 421 sc = &hpsoftc[unit]; 422 lp = &hplabel[unit]; 423 if (mi == 0 || mi->mi_alive == 0) { 424 bp->b_error = ENXIO; 425 goto bad; 426 } 427 #ifdef COMPAT_42 428 if (sc->sc_hdr) { /* XXX */ 429 if (bp->b_bcount == 516) 430 bp->b_flags |= B_FORMAT; 431 sc->sc_hdr = 0; 432 } 433 #endif 434 if (sc->sc_state < OPEN) 435 goto q; 436 if (sc->sc_state != OPEN && (bp->b_flags & B_READ) == 0) { 437 bp->b_error = EROFS; 438 goto bad; 439 } 440 if ((sc->sc_openpart & (1 << xunit)) == 0) { 441 bp->b_error = ENODEV; 442 goto bad; 443 } 444 maxsz = lp->d_partitions[xunit].p_size; 445 if (bp->b_blkno + lp->d_partitions[xunit].p_offset <= LABELSECTOR && 446 #if LABELSECTOR != 0 447 bp->b_blkno + lp->d_partitions[xunit].p_offset + sz > LABELSECTOR && 448 #endif 449 (bp->b_flags & B_READ) == 0 && sc->sc_wlabel == 0) { 450 bp->b_error = EROFS; 451 goto bad; 452 } 453 if (bp->b_blkno < 0 || bp->b_blkno + sz > maxsz) { 454 if (bp->b_blkno == maxsz) { 455 bp->b_resid = bp->b_bcount; 456 goto done; 457 } 458 sz = maxsz - bp->b_blkno; 459 if (sz <= 0) { 460 bp->b_error = EINVAL; 461 goto bad; 462 } 463 bp->b_bcount = sz << DEV_BSHIFT; 464 } 465 bp->b_cylin = (bp->b_blkno + lp->d_partitions[xunit].p_offset) / 466 lp->d_secpercyl; 467 q: 468 s = spl5(); 469 disksort(&mi->mi_tab, bp); 470 if (mi->mi_tab.b_active == 0) 471 mbustart(mi); 472 splx(s); 473 return; 474 475 bad: 476 bp->b_flags |= B_ERROR; 477 done: 478 biodone(bp); 479 return; 480 } 481 482 hpustart(mi) 483 register struct mba_device *mi; 484 { 485 register struct hpdevice *hpaddr = (struct hpdevice *)mi->mi_drv; 486 register struct buf *bp = mi->mi_tab.b_actf; 487 register struct disklabel *lp; 488 struct hpsoftc *sc = &hpsoftc[mi->mi_unit]; 489 daddr_t bn; 490 int sn, tn, dist; 491 492 lp = &hplabel[mi->mi_unit]; 493 hpaddr->hpcs1 = 0; 494 if ((hpaddr->hpcs1&HP_DVA) == 0) 495 return (MBU_BUSY); 496 497 switch (sc->sc_recal) { 498 499 case 1: 500 (void)HPWAIT(mi, hpaddr); 501 hpaddr->hpdc = bp->b_cylin; 502 hpaddr->hpcs1 = HP_SEEK|HP_GO; 503 sc->sc_recal++; 504 return (MBU_STARTED); 505 case 2: 506 break; 507 } 508 sc->sc_recal = 0; 509 if ((hpaddr->hpds & HPDS_VV) == 0) { 510 if (sc->sc_state == OPEN && lp->d_flags & D_REMOVABLE) { 511 if (sc->sc_openpart) 512 log(LOG_ERR, "hp%d: volume changed\n", 513 mi->mi_unit); 514 sc->sc_openpart = 0; 515 bp->b_flags |= B_ERROR; 516 return (MBU_NEXT); 517 } 518 hpaddr->hpcs1 = HP_DCLR|HP_GO; 519 if (mi->mi_mba->mba_drv[0].mbd_as & (1<<mi->mi_drive)) 520 printf("DCLR attn\n"); 521 hpaddr->hpcs1 = HP_PRESET|HP_GO; 522 if (!ML11(mi->mi_type)) 523 hpaddr->hpof = HPOF_FMT22; 524 mbclrattn(mi); 525 if (sc->sc_state == WANTOPENRAW) { 526 sc->sc_state = OPENRAW; 527 return (MBU_NEXT); 528 } 529 if (sc->sc_state == WANTOPEN) 530 sc->sc_state = RDLABEL; 531 } 532 if (mi->mi_tab.b_active || mi->mi_hd->mh_ndrive == 1) { 533 if (mi->mi_tab.b_errcnt >= 16 && (bp->b_flags & B_READ)) { 534 hpaddr->hpof = 535 hp_offset[mi->mi_tab.b_errcnt & 017]|HPOF_FMT22; 536 hpaddr->hpcs1 = HP_OFFSET|HP_GO; 537 (void)HPWAIT(mi, hpaddr); 538 mbclrattn(mi); 539 } 540 return (MBU_DODATA); 541 } 542 if (ML11(mi->mi_type)) 543 return (MBU_DODATA); 544 if ((hpaddr->hpds & HPDS_DREADY) != HPDS_DREADY) 545 return (MBU_DODATA); 546 bn = bp->b_blkno; 547 sn = bn % lp->d_secpercyl; 548 tn = sn / lp->d_nsectors; 549 sn = sn % lp->d_nsectors; 550 if (bp->b_cylin == MASKREG(hpaddr->hpdc)) { 551 if (sc->sc_doseeks) 552 return (MBU_DODATA); 553 dist = sn - (MASKREG(hpaddr->hpla) >> 6) - 1; 554 if (dist < 0) 555 dist += lp->d_nsectors; 556 if (dist <= lp->d_maxdist && dist >= lp->d_mindist) 557 return (MBU_DODATA); 558 } else 559 hpaddr->hpdc = bp->b_cylin; 560 if (sc->sc_doseeks) 561 hpaddr->hpcs1 = HP_SEEK|HP_GO; 562 else { 563 sn = (sn + lp->d_nsectors - lp->d_sdist) % lp->d_nsectors; 564 hpaddr->hpda = (tn << 8) + sn; 565 hpaddr->hpcs1 = HP_SEARCH|HP_GO; 566 } 567 return (MBU_STARTED); 568 } 569 570 hpstart(mi) 571 register struct mba_device *mi; 572 { 573 register struct hpdevice *hpaddr = (struct hpdevice *)mi->mi_drv; 574 register struct buf *bp = mi->mi_tab.b_actf; 575 register struct disklabel *lp = &hplabel[mi->mi_unit]; 576 struct hpsoftc *sc = &hpsoftc[mi->mi_unit]; 577 daddr_t bn; 578 int sn, tn, cn; 579 580 if (ML11(mi->mi_type)) 581 hpaddr->hpda = bp->b_blkno + sc->sc_blkdone; 582 else { 583 if (bp->b_flags & B_BAD) { 584 bn = sc->sc_badbn; 585 cn = bn / lp->d_secpercyl; 586 } else { 587 bn = bp->b_blkno; 588 cn = bp->b_cylin; 589 } 590 sn = bn % lp->d_secpercyl; 591 if ((bp->b_flags & B_BAD) == 0) 592 sn += sc->sc_blkdone; 593 tn = sn / lp->d_nsectors; 594 sn %= lp->d_nsectors; 595 cn += tn / lp->d_ntracks; 596 tn %= lp->d_ntracks; 597 hpaddr->hpda = (tn << 8) + sn; 598 hpaddr->hpdc = cn; 599 } 600 mi->mi_tab.b_bdone = dbtob(sc->sc_blkdone); 601 if (bp->b_flags & B_FORMAT) { 602 if (bp->b_flags & B_READ) 603 return (HP_RHDR|HP_GO); 604 else 605 return (HP_WHDR|HP_GO); 606 } 607 return (0); 608 } 609 610 hpdtint(mi, mbsr) 611 register struct mba_device *mi; 612 int mbsr; 613 { 614 register struct hpdevice *hpaddr = (struct hpdevice *)mi->mi_drv; 615 register struct buf *bp = mi->mi_tab.b_actf; 616 register int er1, er2; 617 struct hpsoftc *sc = &hpsoftc[mi->mi_unit]; 618 int retry = 0; 619 int npf, bcr; 620 621 bcr = MASKREG(-mi->mi_mba->mba_bcr); 622 if (bp->b_flags & B_FORMAT) { 623 sc->sc_status = mbsr; 624 sc->sc_hpds = hpaddr->hpds; 625 sc->sc_er1 = hpaddr->hper1; 626 sc->sc_er2 = hpaddr->hper2; 627 } 628 if (hpaddr->hpds&HPDS_ERR || mbsr&MBSR_EBITS) { 629 er1 = hpaddr->hper1; 630 er2 = hpaddr->hper2; 631 if (bp->b_flags & B_BAD) 632 npf = bp->b_error; 633 else { 634 npf = btodb(bp->b_bcount + (DEV_BSIZE - 1) - bcr); 635 if (er1 & (HPER1_DCK | HPER1_ECH)) 636 npf--; 637 } 638 if (HPWAIT(mi, hpaddr) == 0) 639 goto hard; 640 #ifdef HPDEBUG 641 if (hpdebug) { 642 int dc = hpaddr->hpdc, da = hpaddr->hpda; 643 daddr_t bn; 644 645 if (bp->b_flags & B_BAD) 646 bn = sc->sc_badbn; 647 else 648 bn = bp->b_blkno + npf; 649 log(LOG_DEBUG, 650 "hperr: bp %x cyl %d blk %d blkdone %d as %o dc %x da %x\n", 651 bp, bp->b_cylin, bn, sc->sc_blkdone, 652 hpaddr->hpas&0xff, MASKREG(dc), MASKREG(da)); 653 log(LOG_DEBUG, 654 "errcnt %d mbsr=%b er1=%b er2=%b bcr -%d\n", 655 mi->mi_tab.b_errcnt, mbsr, mbsr_bits, 656 MASKREG(er1), HPER1_BITS, 657 MASKREG(er2), HPER2_BITS, bcr); 658 } 659 #endif 660 if (er1 & HPER1_HCRC) { 661 er1 &= ~(HPER1_HCE|HPER1_FER); 662 er2 &= ~HPER2_BSE; 663 } 664 if (er1 & HPER1_WLE) { 665 log(LOG_WARNING, "hp%d: write locked\n", 666 hpunit(bp->b_dev)); 667 bp->b_flags |= B_ERROR; 668 } else if (bp->b_flags & B_FORMAT) { 669 bp->b_flags |= B_ERROR; 670 } else if (RM80(mi->mi_type) && er2&HPER2_SSE) { 671 (void) hpecc(mi, SSE); 672 return (MBD_RESTARTED); 673 } else if ((er2 & HPER2_BSE) && !ML11(mi->mi_type)) { 674 if (hpecc(mi, BSE)) 675 return (MBD_RESTARTED); 676 goto hard; 677 } else if (MASKREG(er1) == HPER1_FER && RP06(mi->mi_type)) { 678 if (hpecc(mi, BSE)) 679 return (MBD_RESTARTED); 680 goto hard; 681 } else if ((er1 & (HPER1_DCK | HPER1_ECH)) == HPER1_DCK && 682 mi->mi_tab.b_errcnt >= 3) { 683 if (hpecc(mi, ECC)) 684 return (MBD_RESTARTED); 685 /* 686 * ECC corrected. Only log retries below 687 * if we got errors other than soft ECC 688 * (as indicated by additional retries). 689 */ 690 if (mi->mi_tab.b_errcnt == 3) 691 mi->mi_tab.b_errcnt = 0; 692 } else if ((er1 & HPER1_HCRC) && !ML11(mi->mi_type) && 693 hpecc(mi, BSE)) { 694 /* 695 * HCRC means the header is screwed up and the sector 696 * might well exist in the bad sector table, 697 * better check.... 698 */ 699 return (MBD_RESTARTED); 700 } else if (++mi->mi_tab.b_errcnt > 27 || 701 (ML11(mi->mi_type) && mi->mi_tab.b_errcnt > 15) || 702 mbsr & MBSR_HARD || 703 er1 & HPER1_HARD || 704 (!ML11(mi->mi_type) && (er2 & HPER2_HARD))) { 705 hard: 706 diskerr(bp, "hp", "hard error", LOG_PRINTF, npf, 707 &hplabel[mi->mi_unit]); 708 if (bp->b_flags & B_BAD) 709 printf(" (on replacement sector %d)", 710 sc->sc_badbn); 711 if (mbsr & (MBSR_EBITS &~ (MBSR_DTABT|MBSR_MBEXC))) 712 printf(" mbsr=%b", mbsr, mbsr_bits); 713 printf(" er1=%b er2=%b\n", 714 MASKREG(hpaddr->hper1), HPER1_BITS, 715 MASKREG(hpaddr->hper2), HPER2_BITS); 716 bp->b_flags |= B_ERROR; 717 bp->b_flags &= ~B_BAD; 718 } else 719 retry = 1; 720 hpaddr->hpcs1 = HP_DCLR|HP_GO; 721 if (retry && (mi->mi_tab.b_errcnt & 07) == 4) { 722 hpaddr->hpcs1 = HP_RECAL|HP_GO; 723 sc->sc_recal = 1; 724 return (MBD_REPOSITION); 725 } 726 } 727 #ifdef HPDEBUG 728 else 729 if (hpdebug && sc->sc_recal) { 730 log(LOG_DEBUG, 731 "recal %d errcnt %d mbsr=%b er1=%b er2=%b\n", 732 sc->sc_recal, mi->mi_tab.b_errcnt, mbsr, mbsr_bits, 733 hpaddr->hper1, HPER1_BITS, 734 hpaddr->hper2, HPER2_BITS); 735 } 736 #endif 737 (void)HPWAIT(mi, hpaddr); 738 if (retry) 739 return (MBD_RETRY); 740 if (mi->mi_tab.b_errcnt >= 16) { 741 /* 742 * This is fast and occurs rarely; we don't 743 * bother with interrupts. 744 */ 745 hpaddr->hpcs1 = HP_RTC|HP_GO; 746 (void)HPWAIT(mi, hpaddr); 747 mbclrattn(mi); 748 } 749 if (mi->mi_tab.b_errcnt && (bp->b_flags & B_ERROR) == 0) { 750 diskerr(bp, "hp", "retries", LOG_INFO, sc->sc_blkdone, 751 &hplabel[mi->mi_unit]); 752 addlog(": %d retries\n", mi->mi_tab.b_errcnt); 753 } 754 if ((bp->b_flags & B_BAD) && hpecc(mi, CONT)) 755 return (MBD_RESTARTED); 756 sc->sc_blkdone = 0; 757 bp->b_resid = bcr; 758 if (!ML11(mi->mi_type)) { 759 hpaddr->hpof = HPOF_FMT22; 760 hpaddr->hpcs1 = HP_RELEASE|HP_GO; 761 } 762 if (sc->sc_openpart == 0) 763 wakeup((caddr_t)sc); 764 return (MBD_DONE); 765 } 766 767 /* 768 * Wait (for a bit) for a drive to come ready; 769 * returns nonzero on success. 770 */ 771 hpwait(mi) 772 register struct mba_device *mi; 773 { 774 register struct hpdevice *hpaddr = (struct hpdevice *)mi->mi_drv; 775 register i = 100000; 776 777 while ((hpaddr->hpds & HPDS_DRY) == 0 && --i) 778 DELAY(10); 779 if (i == 0) 780 printf("hp%d: intr, not ready\n", mi->mi_unit); 781 return (i); 782 } 783 784 hpioctl(dev, cmd, data, flag) 785 dev_t dev; 786 int cmd; 787 caddr_t data; 788 int flag; 789 { 790 int unit = hpunit(dev); 791 register struct disklabel *lp; 792 register struct hpsoftc *sc = &hpsoftc[unit]; 793 int error = 0, wlab; 794 int hpformat(); 795 796 lp = &hplabel[unit]; 797 798 switch (cmd) { 799 800 case DIOCGDINFO: 801 *(struct disklabel *)data = *lp; 802 break; 803 804 case DIOCGPART: 805 ((struct partinfo *)data)->disklab = lp; 806 ((struct partinfo *)data)->part = 807 &lp->d_partitions[hppart(dev)]; 808 break; 809 810 case DIOCSDINFO: 811 if ((flag & FWRITE) == 0) 812 error = EBADF; 813 else 814 error = setdisklabel(lp, (struct disklabel *)data, 815 (sc->sc_state == OPENRAW) ? 0 : sc->sc_openpart); 816 if (error == 0) 817 sc->sc_state = OPEN; 818 break; 819 820 case DIOCWLABEL: 821 if ((flag & FWRITE) == 0) 822 error = EBADF; 823 else 824 sc->sc_wlabel = *(int *)data; 825 break; 826 827 case DIOCWDINFO: 828 /* simulate opening partition 0 so write succeeds */ 829 sc->sc_openpart |= (1 << 0); /* XXX */ 830 wlab = sc->sc_wlabel; 831 sc->sc_wlabel = 1; 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 sc->sc_state = OPEN; 837 error = writedisklabel(dev, hpstrategy, lp); 838 } 839 sc->sc_openpart = sc->sc_copenpart | sc->sc_bopenpart; 840 sc->sc_wlabel = wlab; 841 break; 842 843 case DIOCSBAD: 844 { 845 struct dkbad *db = (struct dkbad *)data; 846 847 if ((flag & FWRITE) == 0) 848 error = EBADF; 849 else if (db->bt_mbz != 0 || db->bt_flag != 0) 850 error = EINVAL; 851 else 852 hpbad[unit] = *db; 853 break; 854 } 855 856 case DIOCRFORMAT: 857 case DIOCWFORMAT: 858 { 859 register struct format_op *fop; 860 struct uio auio; 861 struct iovec aiov; 862 863 if (cmd == DIOCWFORMAT && (flag & FWRITE) == 0) { 864 error = EBADF; 865 break; 866 } 867 fop = (struct format_op *)data; 868 aiov.iov_base = fop->df_buf; 869 aiov.iov_len = fop->df_count; 870 auio.uio_iov = &aiov; 871 auio.uio_iovcnt = 1; 872 auio.uio_resid = fop->df_count; 873 auio.uio_segflg = UIO_USERSPACE; 874 auio.uio_offset = fop->df_startblk * lp->d_secsize; 875 /* 876 * Don't return errors, as the format op won't get copied 877 * out if we return nonzero. Callers must check the returned 878 * count. 879 */ 880 (void) physio(hpformat, (struct buf *)NULL, dev, 881 (cmd == DIOCWFORMAT ? B_WRITE : B_READ), minphys, &auio); 882 fop->df_count -= auio.uio_resid; 883 fop->df_reg[0] = sc->sc_status; 884 fop->df_reg[1] = sc->sc_hpds; 885 fop->df_reg[2] = sc->sc_er1; 886 fop->df_reg[3] = sc->sc_er2; 887 break; 888 } 889 890 #ifdef COMPAT_42 891 case DKIOCHDR: /* do header read/write */ /* XXX */ 892 sc->sc_hdr = 1; 893 break; 894 #endif 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 struct hpdevice *hpaddr; 1050 char *start; 1051 int num, unit; 1052 register struct disklabel *lp; 1053 1054 num = maxfree; 1055 start = 0; 1056 unit = hpunit(dev); 1057 if (unit >= NHP) 1058 return (ENXIO); 1059 #define phys(a,b) ((b)((int)(a)&0x7fffffff)) 1060 mi = phys(hpinfo[unit],struct mba_device *); 1061 if (mi == 0 || mi->mi_alive == 0) 1062 return (ENXIO); 1063 lp = &hplabel[unit]; 1064 mba = phys(mi->mi_hd, struct mba_hd *)->mh_physmba; 1065 mba->mba_cr = MBCR_INIT; 1066 hpaddr = (struct hpdevice *)&mba->mba_drv[mi->mi_drive]; 1067 if ((hpaddr->hpds & HPDS_VV) == 0) { 1068 hpaddr->hpcs1 = HP_DCLR|HP_GO; 1069 hpaddr->hpcs1 = HP_PRESET|HP_GO; 1070 hpaddr->hpof = HPOF_FMT22; 1071 } 1072 if (dumplo < 0) 1073 return (EINVAL); 1074 if (dumplo + num >= lp->d_partitions[hppart(dev)].p_size) 1075 num = lp->d_partitions[hppart(dev)].p_size - dumplo; 1076 while (num > 0) { 1077 register struct pte *hpte = mba->mba_map; 1078 register int i; 1079 int blk, cn, sn, tn; 1080 daddr_t bn; 1081 1082 blk = num > DBSIZE ? DBSIZE : num; 1083 bn = dumplo + btodb(start); 1084 cn = (bn + lp->d_partitions[hppart(dev)].p_offset) / 1085 lp->d_secpercyl; 1086 sn = bn % lp->d_secpercyl; 1087 tn = sn / lp->d_nsectors; 1088 sn = sn % lp->d_nsectors; 1089 hpaddr->hpdc = cn; 1090 hpaddr->hpda = (tn << 8) + sn; 1091 for (i = 0; i < blk; i++) 1092 *(int *)hpte++ = (btop(start)+i) | PG_V; 1093 mba->mba_sr = -1; 1094 mba->mba_bcr = -(blk*NBPG); 1095 mba->mba_var = 0; 1096 hpaddr->hpcs1 = HP_WCOM | HP_GO; 1097 while ((hpaddr->hpds & HPDS_DRY) == 0) 1098 DELAY(10); 1099 if (hpaddr->hpds&HPDS_ERR) 1100 return (EIO); 1101 start += blk*NBPG; 1102 num -= blk; 1103 } 1104 return (0); 1105 } 1106 1107 hpsize(dev) 1108 dev_t dev; 1109 { 1110 register int unit = hpunit(dev); 1111 struct mba_device *mi; 1112 1113 if (unit >= NHP || (mi = hpinfo[unit]) == 0 || mi->mi_alive == 0 || 1114 hpsoftc[unit].sc_state != OPEN) 1115 return (-1); 1116 return ((int)hplabel[unit].d_partitions[hppart(dev)].p_size); 1117 } 1118 1119 #ifdef COMPAT_42 1120 /* 1121 * Compatibility code to fake up pack label 1122 * for unlabeled disks. 1123 */ 1124 struct size { 1125 daddr_t nblocks; 1126 int cyloff; 1127 } rp06_sizes[8] = { 1128 15884, 0, /* A=cyl 0 thru 37 */ 1129 33440, 38, /* B=cyl 38 thru 117 */ 1130 340670, 0, /* C=cyl 0 thru 814 */ 1131 15884, 118, /* D=cyl 118 thru 155 */ 1132 55936, 156, /* E=cyl 156 thru 289 */ 1133 219384, 290, /* F=cyl 290 thru 814 */ 1134 291192, 118, /* G=cyl 118 thru 814 */ 1135 0, 0, 1136 }, rp05_sizes[8] = { 1137 15884, 0, /* A=cyl 0 thru 37 */ 1138 33440, 38, /* B=cyl 38 thru 117 */ 1139 171798, 0, /* C=cyl 0 thru 410 */ 1140 15884, 118, /* D=cyl 118 thru 155 */ 1141 55936, 156, /* E=cyl 156 thru 289 */ 1142 50512, 290, /* F=cyl 290 thru 410 */ 1143 122408, 118, /* G=cyl 118 thru 410 */ 1144 0, 0, 1145 }, rm03_sizes[8] = { 1146 15884, 0, /* A=cyl 0 thru 99 */ 1147 33440, 100, /* B=cyl 100 thru 308 */ 1148 131680, 0, /* C=cyl 0 thru 822 */ 1149 15884, 309, /* D=cyl 309 thru 408 */ 1150 55936, 409, /* E=cyl 409 thru 758 */ 1151 10144, 759, /* F=cyl 759 thru 822 */ 1152 82144, 309, /* G=cyl 309 thru 822 */ 1153 0, 0, 1154 }, rm05_sizes[8] = { 1155 15884, 0, /* A=cyl 0 thru 26 */ 1156 33440, 27, /* B=cyl 27 thru 81 */ 1157 500384, 0, /* C=cyl 0 thru 822 */ 1158 15884, 562, /* D=cyl 562 thru 588 */ 1159 55936, 589, /* E=cyl 589 thru 680 */ 1160 86240, 681, /* F=cyl 681 thru 822 */ 1161 158592, 562, /* G=cyl 562 thru 822 */ 1162 291346, 82, /* H=cyl 82 thru 561 */ 1163 }, rm80_sizes[8] = { 1164 15884, 0, /* A=cyl 0 thru 36 */ 1165 33440, 37, /* B=cyl 37 thru 114 */ 1166 242606, 0, /* C=cyl 0 thru 558 */ 1167 15884, 115, /* D=cyl 115 thru 151 */ 1168 55936, 152, /* E=cyl 152 thru 280 */ 1169 120559, 281, /* F=cyl 281 thru 558 */ 1170 192603, 115, /* G=cyl 115 thru 558 */ 1171 0, 0, 1172 }, rp07_sizes[8] = { 1173 15884, 0, /* A=cyl 0 thru 9 */ 1174 66880, 10, /* B=cyl 10 thru 51 */ 1175 1008000, 0, /* C=cyl 0 thru 629 */ 1176 15884, 235, /* D=cyl 235 thru 244 */ 1177 307200, 245, /* E=cyl 245 thru 436 */ 1178 308650, 437, /* F=cyl 437 thru 629 */ 1179 631850, 235, /* G=cyl 235 thru 629 */ 1180 291346, 52, /* H=cyl 52 thru 234 */ 1181 }, cdc9775_sizes[8] = { 1182 15884, 0, /* A=cyl 0 thru 12 */ 1183 66880, 13, /* B=cyl 13 thru 65 */ 1184 1077760, 0, /* C=cyl 0 thru 841 */ 1185 15884, 294, /* D=cyl 294 thru 306 */ 1186 307200, 307, /* E=cyl 307 thru 546 */ 1187 377440, 547, /* F=cyl 547 thru 841 */ 1188 701280, 294, /* G=cyl 294 thru 841 */ 1189 291346, 66, /* H=cyl 66 thru 293 */ 1190 }, cdc9730_sizes[8] = { 1191 15884, 0, /* A=cyl 0 thru 49 */ 1192 33440, 50, /* B=cyl 50 thru 154 */ 1193 263360, 0, /* C=cyl 0 thru 822 */ 1194 15884, 155, /* D=cyl 155 thru 204 */ 1195 55936, 205, /* E=cyl 205 thru 379 */ 1196 141664, 380, /* F=cyl 380 thru 822 */ 1197 213664, 155, /* G=cyl 155 thru 822 */ 1198 0, 0, 1199 }, capricorn_sizes[8] = { 1200 15884, 0, /* A=cyl 0 thru 31 */ 1201 33440, 32, /* B=cyl 32 thru 97 */ 1202 524288, 0, /* C=cyl 0 thru 1023 */ 1203 15884, 668, /* D=cyl 668 thru 699 */ 1204 55936, 700, /* E=cyl 700 thru 809 */ 1205 109472, 810, /* F=cyl 810 thru 1023 */ 1206 182176, 668, /* G=cyl 668 thru 1023 */ 1207 291346, 98, /* H=cyl 98 thru 667 */ 1208 }, eagle_sizes[8] = { 1209 15884, 0, /* A=cyl 0 thru 16 */ 1210 66880, 17, /* B=cyl 17 thru 86 */ 1211 808320, 0, /* C=cyl 0 thru 841 */ 1212 15884, 391, /* D=cyl 391 thru 407 */ 1213 307200, 408, /* E=cyl 408 thru 727 */ 1214 109296, 728, /* F=cyl 728 thru 841 */ 1215 432816, 391, /* G=cyl 391 thru 841 */ 1216 291346, 87, /* H=cyl 87 thru 390 */ 1217 }, ampex_sizes[8] = { 1218 15884, 0, /* A=cyl 0 thru 26 */ 1219 33440, 27, /* B=cyl 27 thru 81 */ 1220 495520, 0, /* C=cyl 0 thru 814 */ 1221 15884, 562, /* D=cyl 562 thru 588 */ 1222 55936, 589, /* E=cyl 589 thru 680 */ 1223 81312, 681, /* F=cyl 681 thru 814 */ 1224 153664, 562, /* G=cyl 562 thru 814 */ 1225 291346, 82, /* H=cyl 82 thru 561 */ 1226 }, fj2361_sizes[8] = { 1227 15884, 0, /* A=cyl 0 thru 12 */ 1228 66880, 13, /* B=cyl 13 thru 65 */ 1229 1077760, 0, /* C=cyl 0 thru 841 */ 1230 15884, 294, /* D=cyl 294 thru 306 */ 1231 307200, 307, /* E=cyl 307 thru 546 */ 1232 377408, 547, /* F=cyl 547 thru 841 */ 1233 701248, 294, /* G=cyl 294 thru 841 */ 1234 291346, 66, /* H=cyl 66 thru 293 */ 1235 }; 1236 1237 /* 1238 * These variable are all measured in sectors. 1239 * Sdist is how much to "lead" in the search for a desired sector 1240 * (i.e. if want N, search for N-sdist.) 1241 * Maxdist and mindist define the region right before our desired sector within 1242 * which we don't bother searching. We don't search when we are already less 1243 * then maxdist and more than mindist sectors "before" our desired sector. 1244 * Maxdist should be >= sdist. 1245 * 1246 * Beware, sdist, mindist and maxdist are not well tuned 1247 * for many of the drives listed in this table. 1248 * Try patching things with something i/o intensive 1249 * running and watch iostat. 1250 */ 1251 struct hpst { 1252 short nsect; /* # sectors/track */ 1253 short ntrak; /* # tracks/cylinder */ 1254 short nspc; /* # sector/cylinders */ 1255 short ncyl; /* # cylinders */ 1256 struct size *sizes; /* partition tables */ 1257 short sdist; /* seek distance metric */ 1258 short maxdist; /* boundaries of non-searched area */ 1259 short mindist; /* preceding the target sector */ 1260 char *name; /* name of disk type */ 1261 } hpst[] = { 1262 { 32, 5, 32*5, 823, rm03_sizes, 7, 4, 1, "RM03" }, 1263 { 32, 19, 32*19, 823, rm05_sizes, 7, 4, 1, "RM05" }, 1264 { 22,19, 22*19, 815, rp06_sizes, 7, 4, 1, "RP06"}, 1265 { 31, 14, 31*14, 559, rm80_sizes, 7, 4, 1, "RM80"}, 1266 { 22, 19, 22*19, 411, rp05_sizes, 7, 4, 1, "RP04"}, 1267 { 22, 19, 22*19, 411, rp05_sizes, 7, 4, 1, "RP05"}, 1268 { 50, 32, 50*32, 630, rp07_sizes, 15, 8, 3, "RP07"}, 1269 { 1, 1, 1, 1, 0, 0, 0, 0, "ML11A"}, 1270 { 1, 1, 1, 1, 0, 0, 0, 0, "ML11B" }, 1271 { 32, 40, 32*40, 843, cdc9775_sizes, 7, 4, 1, "9775" }, 1272 { 32, 10, 32*10, 823, cdc9730_sizes, 7, 4, 1, "9730-160" }, 1273 { 32, 16, 32*16, 1024, capricorn_sizes,10,4, 3, "capricorn" }, 1274 { 48, 20, 48*20, 842, eagle_sizes, 15, 8, 3, "eagle" }, 1275 { 32, 19, 32*19, 815, ampex_sizes, 7, 4, 1, "9300" }, 1276 { 64, 20, 64*20, 842, fj2361_sizes, 15, 8, 3, "2361" }, 1277 }; 1278 1279 /* 1280 * Map apparent MASSBUS drive type into manufacturer 1281 * specific configuration. For SI controllers this is done 1282 * based on codes in the serial number register. For 1283 * EMULEX controllers, the track and sector attributes are 1284 * used when the drive type is an RM02 (not supported by DEC). 1285 */ 1286 hpmaptype(mi, lp) 1287 register struct mba_device *mi; 1288 register struct disklabel *lp; 1289 { 1290 register struct hpdevice *hpaddr = (struct hpdevice *)mi->mi_drv; 1291 register int type = mi->mi_type; 1292 register struct hpst *st; 1293 register i; 1294 1295 /* 1296 * Model-byte processing for SI controllers. 1297 * NB: Only deals with RM03 and RM05 emulations. 1298 */ 1299 if (type == HPDT_RM03 || type == HPDT_RM05) { 1300 int hpsn = hpaddr->hpsn; 1301 1302 if ((hpsn & SIMB_LU) == mi->mi_drive) 1303 switch ((hpsn & SIMB_MB) & ~(SIMB_S6|SIRM03|SIRM05)) { 1304 1305 case SI9775D: 1306 type = HPDT_9775; 1307 break; 1308 1309 case SI9730D: 1310 type = HPDT_9730; 1311 break; 1312 1313 case SI9766: 1314 type = HPDT_RM05; 1315 break; 1316 1317 case SI9762: 1318 type = HPDT_RM03; 1319 break; 1320 1321 case SICAPD: 1322 type = HPDT_CAPRICORN; 1323 break; 1324 1325 case SI9751D: 1326 type = HPDT_EAGLE; 1327 break; 1328 } 1329 } 1330 1331 /* 1332 * EMULEX SC750 or SC780. Poke the holding register. 1333 */ 1334 if (type == HPDT_RM02) { 1335 int nsectors, ntracks, ncyl; 1336 1337 hpaddr->hpof = HPOF_FMT22; 1338 mbclrattn(mi); 1339 hpaddr->hpcs1 = HP_NOP; 1340 hpaddr->hphr = HPHR_MAXTRAK; 1341 ntracks = MASKREG(hpaddr->hphr) + 1; 1342 DELAY(100); 1343 hpaddr->hpcs1 = HP_NOP; 1344 hpaddr->hphr = HPHR_MAXSECT; 1345 nsectors = MASKREG(hpaddr->hphr) + 1; 1346 DELAY(100); 1347 hpaddr->hpcs1 = HP_NOP; 1348 hpaddr->hphr = HPHR_MAXCYL; 1349 ncyl = MASKREG(hpaddr->hphr) + 1; 1350 for (type = 0; hptypes[type] != 0; type++) 1351 if (hpst[type].nsect == nsectors && 1352 hpst[type].ntrak == ntracks && 1353 hpst[type].ncyl == ncyl) 1354 break; 1355 1356 hpaddr->hpcs1 = HP_DCLR|HP_GO; 1357 mbclrattn(mi); /* conservative */ 1358 if (hptypes[type] == 0) { 1359 printf("hp%d: %d sectors, %d tracks, %d cylinders: unknown device\n", 1360 mi->mi_unit, nsectors, ntracks, ncyl); 1361 lp->d_nsectors = nsectors; 1362 lp->d_ntracks = ntracks; 1363 lp->d_ncylinders = ncyl; 1364 lp->d_secpercyl = nsectors*ntracks; 1365 lp->d_secperunit = lp->d_secpercyl * lp->d_ncylinders; 1366 lp->d_npartitions = 1; 1367 lp->d_partitions[0].p_offset = 0; 1368 lp->d_partitions[0].p_size = lp->d_secperunit; 1369 return (0); 1370 } 1371 } 1372 1373 /* 1374 * set up minimal disk label. 1375 */ 1376 st = &hpst[type]; 1377 lp->d_nsectors = st->nsect; 1378 lp->d_ntracks = st->ntrak; 1379 lp->d_secpercyl = st->nspc; 1380 lp->d_ncylinders = st->ncyl; 1381 lp->d_secperunit = st->nspc * st->ncyl; 1382 lp->d_sdist = st->sdist; 1383 lp->d_mindist = st->mindist; 1384 lp->d_maxdist = st->maxdist; 1385 bcopy(hpst[type].name, lp->d_typename, sizeof(lp->d_typename)); 1386 lp->d_npartitions = 8; 1387 for (i = 0; i < 8; i++) { 1388 lp->d_partitions[i].p_offset = st->sizes[i].cyloff * 1389 lp->d_secpercyl; 1390 lp->d_partitions[i].p_size = st->sizes[i].nblocks; 1391 } 1392 return (type); 1393 } 1394 #endif COMPAT_42 1395 #endif 1396