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 7.8 (Berkeley) 04/23/88 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 buf rhpbuf[NHP]; 109 struct disklabel hplabel[NHP]; 110 struct dkbad hpbad[NHP]; 111 112 struct hpsoftc { 113 u_char sc_recal; /* recalibrate state */ 114 u_char sc_doseeks; /* perform explicit seeks */ 115 #ifdef COMPAT_42 116 u_char sc_hdr; /* next i/o includes header */ 117 #endif 118 int sc_state; /* open fsm */ 119 int sc_wlabel; /* label sector is currently writable */ 120 u_long sc_openpart; /* bit mask of open subunits */ 121 u_long sc_copenpart; /* bit mask of open character subunits */ 122 u_long sc_bopenpart; /* bit mask of open block subunits */ 123 daddr_t sc_mlsize; /* ML11 size */ 124 int sc_blkdone; /* amount sucessfully transfered */ 125 daddr_t sc_badbn; /* replacement block number */ 126 int sc_status; /* copy of drive status reg. after format */ 127 int sc_hpds; /* copy of hpds reg. after format */ 128 int sc_er1; /* copy of error reg. 1 after format */ 129 int sc_er2; /* copy of error reg. 2 after format */ 130 } hpsoftc[NHP]; 131 132 /* 133 * Drive states. Used during steps of open/initialization. 134 * States < OPEN (> 0) are transient, during an open operation. 135 * OPENRAW is used for unlabeled disks, 136 * to inhibit bad-sector forwarding or allow format operations. 137 */ 138 #define CLOSED 0 /* disk is closed. */ 139 #define WANTOPEN 1 /* open requested, not started */ 140 #define WANTOPENRAW 2 /* open requested, no label */ 141 #define RDLABEL 3 /* reading pack label */ 142 #define RDBADTBL 4 /* reading bad-sector table */ 143 #define OPEN 5 /* initialized and ready */ 144 #define OPENRAW 6 /* open, no label or badsect */ 145 146 #define b_cylin b_resid 147 148 /* #define ML11 0 to remove ML11 support */ 149 #define ML11(type) ((type) == HPDT_ML11A) 150 #define RP06(type) (hptypes[type] <= MBDT_RP06) 151 #define RM80(type) ((type) == HPDT_RM80) 152 153 #define hpunit(dev) (minor(dev) >> 3) 154 #define hppart(dev) (minor(dev) & 07) 155 #define hpminor(unit, part) (((unit) << 3) | (part)) 156 157 #define MASKREG(reg) ((reg)&0xffff) 158 #ifdef lint 159 #define HPWAIT(mi, addr) (hpwait(mi)) 160 #else 161 #define HPWAIT(mi, addr) (((addr)->hpds & HPDS_DRY) || hpwait(mi)) 162 #endif 163 164 /*ARGSUSED*/ 165 hpattach(mi, slave) 166 struct mba_device *mi; 167 { 168 register int unit = mi->mi_unit; 169 extern int cold; 170 171 if (cold) { 172 /* 173 * Try to initialize device and read pack label. 174 */ 175 if (hpinit(hpminor(unit, 0), 0) == 0) { 176 printf(": %s", hplabel[unit].d_typename); 177 #ifdef notyet 178 addswap(makedev(HPMAJOR, hpminor(unit, 0)), 179 &hplabel[unit]); 180 #endif 181 } else 182 printf(": offline"); 183 } 184 } 185 186 hpopen(dev, flags, fmt) 187 dev_t dev; 188 int flags, fmt; 189 { 190 register int unit = hpunit(dev); 191 register struct hpsoftc *sc; 192 register struct disklabel *lp; 193 register struct partition *pp; 194 struct mba_device *mi; 195 int s, error, part = hppart(dev), mask = 1 << part; 196 daddr_t start, end; 197 198 if (unit >= NHP || (mi = hpinfo[unit]) == 0 || mi->mi_alive == 0) 199 return (ENXIO); 200 sc = &hpsoftc[unit]; 201 lp = &hplabel[unit]; 202 203 s = spl5(); 204 while (sc->sc_state != OPEN && sc->sc_state != OPENRAW && 205 sc->sc_state != CLOSED) 206 sleep ((caddr_t)sc, PZERO+1); 207 splx(s); 208 if (sc->sc_state != OPEN && sc->sc_state != OPENRAW) 209 if (error = hpinit(dev, flags)) 210 return (error); 211 if (part >= lp->d_npartitions) 212 return (ENXIO); 213 /* 214 * Warn if a partion is opened 215 * that overlaps another partition which is open 216 * unless one is the "raw" partition (whole disk). 217 */ 218 #define RAWPART 2 /* 'c' partition */ /* XXX */ 219 if ((sc->sc_openpart & mask) == 0 && part != RAWPART) { 220 pp = &lp->d_partitions[part]; 221 start = pp->p_offset; 222 end = pp->p_offset + pp->p_size; 223 for (pp = lp->d_partitions; 224 pp < &lp->d_partitions[lp->d_npartitions]; pp++) { 225 if (pp->p_offset + pp->p_size <= start || 226 pp->p_offset >= end) 227 continue; 228 if (pp - lp->d_partitions == RAWPART) 229 continue; 230 if (sc->sc_openpart & (1 << (pp - lp->d_partitions))) 231 log(LOG_WARNING, 232 "hp%d%c: overlaps open partition (%c)\n", 233 unit, part + 'a', 234 pp - lp->d_partitions + 'a'); 235 } 236 } 237 switch (fmt) { 238 case S_IFCHR: 239 sc->sc_copenpart |= mask; 240 break; 241 case S_IFBLK: 242 sc->sc_bopenpart |= mask; 243 break; 244 } 245 sc->sc_openpart |= mask; 246 return (0); 247 } 248 249 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 struct hpsoftc *sc = &hpsoftc[mi->mi_unit]; 326 register int trt; 327 328 sc->sc_mlsize = hpaddr->hpmr & HPMR_SZ; 329 if ((hpaddr->hpmr & HPMR_ARRTYP) == 0) 330 sc->sc_mlsize >>= 2; 331 if (mi->mi_dk >= 0) { 332 trt = (hpaddr->hpmr & HPMR_TRT) >> 8; 333 dk_mspw[mi->mi_dk] = 1.0 / (1<<(20-trt)); 334 } 335 mi->mi_type = MBDT_ML11A; 336 lp->d_partitions[0].p_size = sc->sc_mlsize; 337 lp->d_secpercyl = sc->sc_mlsize; 338 goto raw; 339 } 340 341 /* 342 * Preset, pack acknowledge will be done in hpstart 343 * during first read operation. 344 */ 345 if (msg = readdisklabel(dev, hpstrategy, lp)) { 346 if (cold) 347 printf(": %s", msg); 348 else 349 log(LOG_ERR, "hp%d: %s\n", unit, msg); 350 #ifdef COMPAT_42 351 if ((mi->mi_type = hpmaptype(mi, lp)) == 0) 352 #endif 353 goto raw; 354 } 355 356 /* 357 * Seconds per word = (60 / rpm) / (nsectors * secsize/2) 358 */ 359 if (mi->mi_dk >= 0 && lp->d_rpm) 360 dk_mspw[mi->mi_dk] = 120.0 / 361 (lp->d_rpm * lp->d_nsectors * lp->d_secsize); 362 /* 363 * Read bad sector table into memory. 364 */ 365 bp = geteblk(DEV_BSIZE); /* max sector size */ 366 bp->b_dev = dev; 367 sc->sc_state = RDBADTBL; 368 i = 0; 369 do { 370 u.u_error = 0; /* XXX */ 371 bp->b_flags = B_BUSY | B_READ; 372 bp->b_blkno = lp->d_secperunit - lp->d_nsectors + i; 373 bp->b_bcount = lp->d_secsize; 374 bp->b_cylin = lp->d_ncylinders - 1; 375 hpstrategy(bp); 376 biowait(bp); 377 } while ((bp->b_flags & B_ERROR) && (i += 2) < 10 && 378 i < lp->d_nsectors); 379 db = (struct dkbad *)(bp->b_un.b_addr); 380 if ((bp->b_flags & B_ERROR) == 0 && db->bt_mbz == 0 && 381 db->bt_flag == 0) { 382 hpbad[unit] = *db; 383 } else { 384 log(LOG_ERR, "hp%d: %s bad-sector file\n", unit, 385 (bp->b_flags & B_ERROR) ? "can't read" : "format error in"); 386 u.u_error = 0; /* XXX */ 387 } 388 sc->sc_state = OPEN; 389 bp->b_flags = B_INVAL | B_AGE; 390 brelse(bp); 391 done: 392 wakeup((caddr_t)sc); 393 return (error); 394 395 raw: 396 if (cold) 397 sc->sc_state = CLOSED; 398 else { 399 sc->sc_state = OPENRAW; 400 wakeup((caddr_t)sc); 401 } 402 return (error); 403 } 404 405 hpstrategy(bp) 406 register struct buf *bp; 407 { 408 register struct mba_device *mi; 409 register struct disklabel *lp; 410 register struct hpsoftc *sc; 411 register int unit; 412 daddr_t sz, maxsz; 413 int xunit = hppart(bp->b_dev); 414 int s; 415 416 sz = (bp->b_bcount + DEV_BSIZE - 1) >> DEV_BSHIFT; 417 unit = hpunit(bp->b_dev); 418 if (unit >= NHP) { 419 bp->b_error = ENXIO; 420 goto bad; 421 } 422 mi = hpinfo[unit]; 423 sc = &hpsoftc[unit]; 424 lp = &hplabel[unit]; 425 if (mi == 0 || mi->mi_alive == 0) { 426 bp->b_error = ENXIO; 427 goto bad; 428 } 429 #ifdef COMPAT_42 430 if (sc->sc_hdr) { /* XXX */ 431 if (bp->b_bcount == 516) 432 bp->b_flags |= B_FORMAT; 433 sc->sc_hdr = 0; 434 } 435 #endif 436 if (sc->sc_state < OPEN) 437 goto q; 438 if (sc->sc_state != OPEN && (bp->b_flags & B_READ) == 0) { 439 bp->b_error = EROFS; 440 goto bad; 441 } 442 if ((sc->sc_openpart & (1 << xunit)) == 0) { 443 bp->b_error = ENODEV; 444 goto bad; 445 } 446 maxsz = lp->d_partitions[xunit].p_size; 447 if (bp->b_blkno + lp->d_partitions[xunit].p_offset <= LABELSECTOR && 448 #if LABELSECTOR != 0 449 bp->b_blkno + lp->d_partitions[xunit].p_offset + sz > LABELSECTOR && 450 #endif 451 (bp->b_flags & B_READ) == 0 && sc->sc_wlabel == 0) { 452 bp->b_error = EROFS; 453 goto bad; 454 } 455 if (bp->b_blkno < 0 || bp->b_blkno + sz > maxsz) { 456 if (bp->b_blkno == maxsz) { 457 bp->b_resid = bp->b_bcount; 458 goto done; 459 } 460 sz = maxsz - bp->b_blkno; 461 if (sz <= 0) { 462 bp->b_error = EINVAL; 463 goto bad; 464 } 465 bp->b_bcount = sz << DEV_BSHIFT; 466 } 467 bp->b_cylin = (bp->b_blkno + lp->d_partitions[xunit].p_offset) / 468 lp->d_secpercyl; 469 q: 470 s = spl5(); 471 disksort(&mi->mi_tab, bp); 472 if (mi->mi_tab.b_active == 0) 473 mbustart(mi); 474 splx(s); 475 return; 476 477 bad: 478 bp->b_flags |= B_ERROR; 479 done: 480 biodone(bp); 481 return; 482 } 483 484 hpustart(mi) 485 register struct mba_device *mi; 486 { 487 register struct hpdevice *hpaddr = (struct hpdevice *)mi->mi_drv; 488 register struct buf *bp = mi->mi_tab.b_actf; 489 register struct disklabel *lp; 490 struct hpsoftc *sc = &hpsoftc[mi->mi_unit]; 491 daddr_t bn; 492 int sn, tn, dist; 493 494 lp = &hplabel[mi->mi_unit]; 495 hpaddr->hpcs1 = 0; 496 if ((hpaddr->hpcs1&HP_DVA) == 0) 497 return (MBU_BUSY); 498 499 switch (sc->sc_recal) { 500 501 case 1: 502 (void)HPWAIT(mi, hpaddr); 503 hpaddr->hpdc = bp->b_cylin; 504 hpaddr->hpcs1 = HP_SEEK|HP_GO; 505 sc->sc_recal++; 506 return (MBU_STARTED); 507 case 2: 508 break; 509 } 510 sc->sc_recal = 0; 511 if ((hpaddr->hpds & HPDS_VV) == 0) { 512 if (sc->sc_state == OPEN && lp->d_flags & D_REMOVABLE) { 513 if (sc->sc_openpart) 514 log(LOG_ERR, "hp%d: volume changed\n", 515 mi->mi_unit); 516 sc->sc_openpart = 0; 517 bp->b_flags |= B_ERROR; 518 return (MBU_NEXT); 519 } 520 hpaddr->hpcs1 = HP_DCLR|HP_GO; 521 if (mi->mi_mba->mba_drv[0].mbd_as & (1<<mi->mi_drive)) 522 printf("DCLR attn\n"); 523 hpaddr->hpcs1 = HP_PRESET|HP_GO; 524 if (!ML11(mi->mi_type)) 525 hpaddr->hpof = HPOF_FMT22; 526 mbclrattn(mi); 527 if (sc->sc_state == WANTOPENRAW) { 528 sc->sc_state = OPENRAW; 529 return (MBU_NEXT); 530 } 531 if (sc->sc_state == WANTOPEN) 532 sc->sc_state = RDLABEL; 533 } 534 if (mi->mi_tab.b_active || mi->mi_hd->mh_ndrive == 1) { 535 if (mi->mi_tab.b_errcnt >= 16 && (bp->b_flags & B_READ)) { 536 hpaddr->hpof = 537 hp_offset[mi->mi_tab.b_errcnt & 017]|HPOF_FMT22; 538 hpaddr->hpcs1 = HP_OFFSET|HP_GO; 539 (void)HPWAIT(mi, hpaddr); 540 mbclrattn(mi); 541 } 542 return (MBU_DODATA); 543 } 544 if (ML11(mi->mi_type)) 545 return (MBU_DODATA); 546 if ((hpaddr->hpds & HPDS_DREADY) != HPDS_DREADY) 547 return (MBU_DODATA); 548 bn = bp->b_blkno; 549 sn = bn % lp->d_secpercyl; 550 tn = sn / lp->d_nsectors; 551 sn = sn % lp->d_nsectors; 552 if (bp->b_cylin == MASKREG(hpaddr->hpdc)) { 553 if (sc->sc_doseeks) 554 return (MBU_DODATA); 555 dist = sn - (MASKREG(hpaddr->hpla) >> 6) - 1; 556 if (dist < 0) 557 dist += lp->d_nsectors; 558 if (dist <= lp->d_maxdist && dist >= lp->d_mindist) 559 return (MBU_DODATA); 560 } else 561 hpaddr->hpdc = bp->b_cylin; 562 if (sc->sc_doseeks) 563 hpaddr->hpcs1 = HP_SEEK|HP_GO; 564 else { 565 sn = (sn + lp->d_nsectors - lp->d_sdist) % lp->d_nsectors; 566 hpaddr->hpda = (tn << 8) + sn; 567 hpaddr->hpcs1 = HP_SEARCH|HP_GO; 568 } 569 return (MBU_STARTED); 570 } 571 572 hpstart(mi) 573 register struct mba_device *mi; 574 { 575 register struct hpdevice *hpaddr = (struct hpdevice *)mi->mi_drv; 576 register struct buf *bp = mi->mi_tab.b_actf; 577 register struct disklabel *lp = &hplabel[mi->mi_unit]; 578 struct hpsoftc *sc = &hpsoftc[mi->mi_unit]; 579 daddr_t bn; 580 int sn, tn, cn; 581 582 if (ML11(mi->mi_type)) 583 hpaddr->hpda = bp->b_blkno + sc->sc_blkdone; 584 else { 585 if (bp->b_flags & B_BAD) { 586 bn = sc->sc_badbn; 587 cn = bn / lp->d_secpercyl; 588 } else { 589 bn = bp->b_blkno; 590 cn = bp->b_cylin; 591 } 592 sn = bn % lp->d_secpercyl; 593 if ((bp->b_flags & B_BAD) == 0) 594 sn += sc->sc_blkdone; 595 tn = sn / lp->d_nsectors; 596 sn %= lp->d_nsectors; 597 cn += tn / lp->d_ntracks; 598 tn %= lp->d_ntracks; 599 hpaddr->hpda = (tn << 8) + sn; 600 hpaddr->hpdc = cn; 601 } 602 mi->mi_tab.b_bdone = dbtob(sc->sc_blkdone); 603 if (bp->b_flags & B_FORMAT) { 604 if (bp->b_flags & B_READ) 605 return (HP_RHDR|HP_GO); 606 else 607 return (HP_WHDR|HP_GO); 608 } 609 return (0); 610 } 611 612 hpdtint(mi, mbsr) 613 register struct mba_device *mi; 614 int mbsr; 615 { 616 register struct hpdevice *hpaddr = (struct hpdevice *)mi->mi_drv; 617 register struct buf *bp = mi->mi_tab.b_actf; 618 register int er1, er2; 619 struct hpsoftc *sc = &hpsoftc[mi->mi_unit]; 620 int retry = 0; 621 int npf; 622 daddr_t bn; 623 int bcr; 624 625 bcr = MASKREG(-mi->mi_mba->mba_bcr); 626 if (bp->b_flags & B_FORMAT) { 627 sc->sc_status = mbsr; 628 sc->sc_hpds = hpaddr->hpds; 629 sc->sc_er1 = hpaddr->hper1; 630 sc->sc_er2 = hpaddr->hper2; 631 } 632 if (hpaddr->hpds&HPDS_ERR || mbsr&MBSR_EBITS) { 633 er1 = hpaddr->hper1; 634 er2 = hpaddr->hper2; 635 if (bp->b_flags & B_BAD) { 636 npf = bp->b_error; 637 bn = sc->sc_badbn; 638 } else { 639 npf = btodb(bp->b_bcount + (DEV_BSIZE - 1) - bcr); 640 if (er1 & (HPER1_DCK | HPER1_ECH)) 641 npf--; 642 bn = bp->b_blkno + npf; 643 } 644 if (HPWAIT(mi, hpaddr) == 0) 645 goto hard; 646 #ifdef HPDEBUG 647 if (hpdebug) { 648 int dc = hpaddr->hpdc, da = hpaddr->hpda; 649 650 log(LOG_DEBUG, 651 "hperr: bp %x cyl %d blk %d blkdone %d as %o dc %x da %x\n", 652 bp, bp->b_cylin, bn, sc->sc_blkdone, 653 hpaddr->hpas&0xff, MASKREG(dc), MASKREG(da)); 654 log(LOG_DEBUG, 655 "errcnt %d mbsr=%b er1=%b er2=%b bcr -%d\n", 656 mi->mi_tab.b_errcnt, mbsr, mbsr_bits, 657 MASKREG(er1), HPER1_BITS, 658 MASKREG(er2), HPER2_BITS, bcr); 659 } 660 #endif 661 if (er1 & HPER1_HCRC) { 662 er1 &= ~(HPER1_HCE|HPER1_FER); 663 er2 &= ~HPER2_BSE; 664 } 665 if (er1 & HPER1_WLE) { 666 log(LOG_WARNING, "hp%d: write locked\n", 667 hpunit(bp->b_dev)); 668 bp->b_flags |= B_ERROR; 669 } else if (bp->b_flags & B_FORMAT) { 670 goto hard; 671 } else if (RM80(mi->mi_type) && er2&HPER2_SSE) { 672 (void) hpecc(mi, SSE); 673 return (MBD_RESTARTED); 674 } else if ((er2 & HPER2_BSE) && !ML11(mi->mi_type)) { 675 if (hpecc(mi, BSE)) 676 return (MBD_RESTARTED); 677 goto hard; 678 } else if (MASKREG(er1) == HPER1_FER && RP06(mi->mi_type)) { 679 if (hpecc(mi, BSE)) 680 return (MBD_RESTARTED); 681 goto hard; 682 } else if ((er1 & (HPER1_DCK | HPER1_ECH)) == HPER1_DCK && 683 mi->mi_tab.b_errcnt >= 3) { 684 if (hpecc(mi, ECC)) 685 return (MBD_RESTARTED); 686 /* 687 * ECC corrected. Only log retries below 688 * if we got errors other than soft ECC 689 * (as indicated by additional retries). 690 */ 691 if (mi->mi_tab.b_errcnt == 3) 692 mi->mi_tab.b_errcnt = 0; 693 } else if ((er1 & HPER1_HCRC) && !ML11(mi->mi_type) && 694 hpecc(mi, BSE)) { 695 /* 696 * HCRC means the header is screwed up and the sector 697 * might well exist in the bad sector table, 698 * better check.... 699 */ 700 return (MBD_RESTARTED); 701 } else if (++mi->mi_tab.b_errcnt > 27 || 702 (ML11(mi->mi_type) && mi->mi_tab.b_errcnt > 15) || 703 mbsr & MBSR_HARD || 704 er1 & HPER1_HARD || 705 (!ML11(mi->mi_type) && (er2 & HPER2_HARD))) { 706 hard: 707 bp->b_blkno = bn; /* XXX */ 708 harderr(bp, "hp"); 709 if (mbsr & (MBSR_EBITS &~ (MBSR_DTABT|MBSR_MBEXC))) 710 printf("mbsr=%b ", mbsr, mbsr_bits); 711 printf("er1=%b er2=%b", 712 MASKREG(hpaddr->hper1), HPER1_BITS, 713 MASKREG(hpaddr->hper2), HPER2_BITS); 714 if (bp->b_flags & B_FORMAT) 715 printf(" (format i/o)"); 716 printf("\n"); 717 bp->b_flags |= B_ERROR; 718 bp->b_flags &= ~B_BAD; 719 } else 720 retry = 1; 721 hpaddr->hpcs1 = HP_DCLR|HP_GO; 722 if (retry && (mi->mi_tab.b_errcnt & 07) == 4) { 723 hpaddr->hpcs1 = HP_RECAL|HP_GO; 724 sc->sc_recal = 1; 725 return (MBD_REPOSITION); 726 } 727 } 728 #ifdef HPDEBUG 729 else 730 if (hpdebug && sc->sc_recal) { 731 log(LOG_DEBUG, 732 "recal %d errcnt %d mbsr=%b er1=%b er2=%b\n", 733 sc->sc_recal, mi->mi_tab.b_errcnt, mbsr, mbsr_bits, 734 hpaddr->hper1, HPER1_BITS, 735 hpaddr->hper2, HPER2_BITS); 736 } 737 #endif 738 (void)HPWAIT(mi, hpaddr); 739 if (retry) 740 return (MBD_RETRY); 741 if (mi->mi_tab.b_errcnt >= 16) { 742 /* 743 * This is fast and occurs rarely; we don't 744 * bother with interrupts. 745 */ 746 hpaddr->hpcs1 = HP_RTC|HP_GO; 747 (void)HPWAIT(mi, hpaddr); 748 mbclrattn(mi); 749 } 750 if (mi->mi_tab.b_errcnt && (bp->b_flags & B_ERROR) == 0) 751 log(LOG_INFO, "hp%d%c: %d retries %sing sn%d\n", 752 hpunit(bp->b_dev), 'a'+(minor(bp->b_dev)&07), 753 mi->mi_tab.b_errcnt, 754 (bp->b_flags & B_READ) ? "read" : "writ", 755 (bp->b_flags & B_BAD) ? 756 sc->sc_badbn : bp->b_blkno + sc->sc_blkdone); 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 hpread(dev, uio) 788 dev_t dev; 789 struct uio *uio; 790 { 791 register int unit = hpunit(dev); 792 793 if (unit >= NHP) 794 return (ENXIO); 795 return (physio(hpstrategy, &rhpbuf[unit], dev, B_READ, minphys, uio)); 796 } 797 798 hpwrite(dev, uio) 799 dev_t dev; 800 struct uio *uio; 801 { 802 register int unit = hpunit(dev); 803 804 if (unit >= NHP) 805 return (ENXIO); 806 return (physio(hpstrategy, &rhpbuf[unit], dev, B_WRITE, minphys, uio)); 807 } 808 809 hpioctl(dev, cmd, data, flag) 810 dev_t dev; 811 int cmd; 812 caddr_t data; 813 int flag; 814 { 815 int unit = hpunit(dev); 816 register struct disklabel *lp; 817 register struct hpsoftc *sc = &hpsoftc[unit]; 818 register struct format_op *fop; 819 int error = 0, wlab; 820 int hpformat(); 821 822 lp = &hplabel[unit]; 823 824 switch (cmd) { 825 826 case DIOCGDINFO: 827 *(struct disklabel *)data = *lp; 828 break; 829 830 case DIOCGPART: 831 ((struct partinfo *)data)->disklab = lp; 832 ((struct partinfo *)data)->part = 833 &lp->d_partitions[hppart(dev)]; 834 break; 835 836 case DIOCSDINFO: 837 if ((flag & FWRITE) == 0) 838 error = EBADF; 839 else 840 error = setdisklabel(lp, (struct disklabel *)data, 841 (sc->sc_state == OPENRAW) ? 0 : sc->sc_openpart); 842 if (error == 0) 843 sc->sc_state = OPEN; 844 break; 845 846 case DIOCWLABEL: 847 if ((flag & FWRITE) == 0) 848 error = EBADF; 849 else 850 sc->sc_wlabel = *(int *)data; 851 break; 852 853 case DIOCWDINFO: 854 /* simulate opening partition 0 so write succeeds */ 855 sc->sc_openpart |= (1 << 0); /* XXX */ 856 wlab = sc->sc_wlabel; 857 sc->sc_wlabel = 1; 858 if ((flag & FWRITE) == 0) 859 error = EBADF; 860 else if ((error = setdisklabel(lp, (struct disklabel *)data, 861 (sc->sc_state == OPENRAW) ? 0 : sc->sc_openpart)) == 0) { 862 sc->sc_state = OPEN; 863 error = writedisklabel(dev, hpstrategy, lp); 864 } 865 sc->sc_openpart = sc->sc_copenpart | sc->sc_bopenpart; 866 sc->sc_wlabel = wlab; 867 break; 868 869 case DIOCSBAD: 870 { 871 struct dkbad *db = (struct dkbad *)data; 872 873 if ((flag & FWRITE) == 0) 874 error = EBADF; 875 else if (db->bt_mbz != 0 || db->bt_flag != 0) 876 error = EINVAL; 877 else 878 hpbad[unit] = *db; 879 break; 880 } 881 882 case DIOCRFORMAT: 883 case DIOCWFORMAT: 884 { 885 struct uio auio; 886 struct iovec aiov; 887 888 if (cmd == DIOCWFORMAT && (flag & FWRITE) == 0) { 889 error = EBADF; 890 break; 891 } 892 fop = (struct format_op *)data; 893 aiov.iov_base = fop->df_buf; 894 aiov.iov_len = fop->df_count; 895 auio.uio_iov = &aiov; 896 auio.uio_iovcnt = 1; 897 auio.uio_resid = fop->df_count; 898 auio.uio_segflg = UIO_USERSPACE; 899 auio.uio_offset = fop->df_startblk * lp->d_secsize; 900 /* 901 * Don't return errors, as the format op won't get copied 902 * out if we return nonzero. Callers must check the returned 903 * count. 904 */ 905 (void) physio(hpformat, &rhpbuf[unit], dev, 906 (cmd == DIOCWFORMAT ? B_WRITE : B_READ), minphys, &auio); 907 fop->df_count -= auio.uio_resid; 908 fop->df_reg[0] = sc->sc_status; 909 fop->df_reg[1] = sc->sc_hpds; 910 fop->df_reg[2] = sc->sc_er1; 911 fop->df_reg[3] = sc->sc_er2; 912 break; 913 } 914 915 #ifdef COMPAT_42 916 case DKIOCHDR: /* do header read/write */ /* XXX */ 917 sc->sc_hdr = 1; 918 break; 919 #endif 920 921 default: 922 error = ENOTTY; 923 break; 924 } 925 return (error); 926 } 927 928 hpformat(bp) 929 struct buf *bp; 930 { 931 932 bp->b_flags |= B_FORMAT; 933 return (hpstrategy(bp)); 934 } 935 936 hpecc(mi, flag) 937 register struct mba_device *mi; 938 int flag; 939 { 940 register struct mba_regs *mbp = mi->mi_mba; 941 register struct hpdevice *rp = (struct hpdevice *)mi->mi_drv; 942 register struct buf *bp = mi->mi_tab.b_actf; 943 register struct disklabel *lp = &hplabel[mi->mi_unit]; 944 struct hpsoftc *sc = &hpsoftc[mi->mi_unit]; 945 int npf, o; 946 int bn, cn, tn, sn; 947 int bcr; 948 949 bcr = MASKREG(-mbp->mba_bcr); 950 if (bp->b_flags & B_BAD) 951 npf = bp->b_error; 952 else { 953 npf = bp->b_bcount - bcr; 954 /* 955 * Watch out for fractional sector at end of transfer; 956 * want to round up if finished, otherwise round down. 957 */ 958 if (bcr == 0) 959 npf += 511; 960 npf = btodb(npf); 961 } 962 o = (int)bp->b_un.b_addr & PGOFSET; 963 bn = bp->b_blkno; 964 cn = bp->b_cylin; 965 sn = bn % lp->d_secpercyl + npf; 966 tn = sn / lp->d_nsectors; 967 sn %= lp->d_nsectors; 968 cn += tn / lp->d_ntracks; 969 tn %= lp->d_ntracks; 970 bn += npf; 971 switch (flag) { 972 case ECC: { 973 register int i; 974 caddr_t addr; 975 struct pte mpte; 976 int bit, byte, mask; 977 978 npf--; /* because block in error is previous block */ 979 bn--; 980 if (bp->b_flags & B_BAD) 981 bn = sc->sc_badbn; 982 log(LOG_WARNING, "hp%d%c: soft ecc sn%d\n", hpunit(bp->b_dev), 983 'a'+(minor(bp->b_dev)&07), bn); 984 mask = MASKREG(rp->hpec2); 985 i = MASKREG(rp->hpec1) - 1; /* -1 makes 0 origin */ 986 bit = i&07; 987 i = (i&~07)>>3; 988 byte = i + o; 989 while (i < 512 && (int)dbtob(npf)+i < bp->b_bcount && bit > -11) { 990 mpte = mbp->mba_map[npf+btop(byte)]; 991 addr = ptob(mpte.pg_pfnum) + (byte & PGOFSET); 992 putmemc(addr, getmemc(addr)^(mask<<bit)); 993 byte++; 994 i++; 995 bit -= 8; 996 } 997 if (bcr == 0) 998 return (0); 999 npf++; 1000 break; 1001 } 1002 1003 case SSE: 1004 rp->hpof |= HPOF_SSEI; 1005 if (bp->b_flags & B_BAD) { 1006 bn = sc->sc_badbn; 1007 goto fixregs; 1008 } 1009 mbp->mba_bcr = -(bp->b_bcount - (int)ptob(npf)); 1010 break; 1011 1012 case BSE: 1013 if (sc->sc_state == OPENRAW) 1014 return (0); 1015 if (rp->hpof & HPOF_SSEI) 1016 sn++; 1017 #ifdef HPBDEBUG 1018 if (hpbdebug) 1019 log(LOG_DEBUG, "hpecc, BSE: bn %d cn %d tn %d sn %d\n", bn, cn, tn, sn); 1020 #endif 1021 if (bp->b_flags & B_BAD) 1022 return (0); 1023 if ((bn = isbad(&hpbad[mi->mi_unit], cn, tn, sn)) < 0) 1024 return (0); 1025 bp->b_flags |= B_BAD; 1026 bp->b_error = npf + 1; 1027 rp->hpof &= ~HPOF_SSEI; 1028 bn = lp->d_ncylinders * lp->d_secpercyl - 1029 lp->d_nsectors - 1 - bn; 1030 sc->sc_badbn = bn; 1031 fixregs: 1032 cn = bn / lp->d_secpercyl; 1033 sn = bn % lp->d_secpercyl; 1034 tn = sn / lp->d_nsectors; 1035 sn %= lp->d_nsectors; 1036 bcr = bp->b_bcount - (int)ptob(npf); 1037 bcr = MIN(bcr, 512); 1038 mbp->mba_bcr = -bcr; 1039 #ifdef HPBDEBUG 1040 if (hpbdebug) 1041 log(LOG_DEBUG, "revector to cn %d tn %d sn %d\n", cn, tn, sn); 1042 #endif 1043 break; 1044 1045 case CONT: 1046 #ifdef HPBDEBUG 1047 if (hpbdebug) 1048 log(LOG_DEBUG, "hpecc, CONT: bn %d cn %d tn %d sn %d\n", bn,cn,tn,sn); 1049 #endif 1050 bp->b_flags &= ~B_BAD; 1051 if ((int)ptob(npf) >= bp->b_bcount) 1052 return (0); 1053 mbp->mba_bcr = -(bp->b_bcount - (int)ptob(npf)); 1054 break; 1055 } 1056 rp->hpcs1 = HP_DCLR|HP_GO; 1057 if (rp->hpof & HPOF_SSEI) 1058 sn++; 1059 rp->hpdc = cn; 1060 rp->hpda = (tn<<8) + sn; 1061 mbp->mba_sr = -1; 1062 mbp->mba_var = (int)ptob(npf) + o; 1063 rp->hpcs1 = bp->b_flags&B_READ ? HP_RCOM|HP_GO : HP_WCOM|HP_GO; 1064 mi->mi_tab.b_errcnt = 0; /* error has been corrected */ 1065 sc->sc_blkdone = npf; 1066 return (1); 1067 } 1068 1069 #define DBSIZE 20 1070 1071 hpdump(dev) 1072 dev_t dev; 1073 { 1074 register struct mba_device *mi; 1075 register struct mba_regs *mba; 1076 struct hpdevice *hpaddr; 1077 char *start; 1078 int num, unit; 1079 register struct disklabel *lp; 1080 1081 num = maxfree; 1082 start = 0; 1083 unit = hpunit(dev); 1084 if (unit >= NHP) 1085 return (ENXIO); 1086 #define phys(a,b) ((b)((int)(a)&0x7fffffff)) 1087 mi = phys(hpinfo[unit],struct mba_device *); 1088 if (mi == 0 || mi->mi_alive == 0) 1089 return (ENXIO); 1090 lp = &hplabel[unit]; 1091 mba = phys(mi->mi_hd, struct mba_hd *)->mh_physmba; 1092 mba->mba_cr = MBCR_INIT; 1093 hpaddr = (struct hpdevice *)&mba->mba_drv[mi->mi_drive]; 1094 if ((hpaddr->hpds & HPDS_VV) == 0) { 1095 hpaddr->hpcs1 = HP_DCLR|HP_GO; 1096 hpaddr->hpcs1 = HP_PRESET|HP_GO; 1097 hpaddr->hpof = HPOF_FMT22; 1098 } 1099 if (dumplo < 0) 1100 return (EINVAL); 1101 if (dumplo + num >= lp->d_partitions[hppart(dev)].p_size) 1102 num = lp->d_partitions[hppart(dev)].p_size - dumplo; 1103 while (num > 0) { 1104 register struct pte *hpte = mba->mba_map; 1105 register int i; 1106 int blk, cn, sn, tn; 1107 daddr_t bn; 1108 1109 blk = num > DBSIZE ? DBSIZE : num; 1110 bn = dumplo + btodb(start); 1111 cn = (bn + lp->d_partitions[hppart(dev)].p_offset) / 1112 lp->d_secpercyl; 1113 sn = bn % lp->d_secpercyl; 1114 tn = sn / lp->d_nsectors; 1115 sn = sn % lp->d_nsectors; 1116 hpaddr->hpdc = cn; 1117 hpaddr->hpda = (tn << 8) + sn; 1118 for (i = 0; i < blk; i++) 1119 *(int *)hpte++ = (btop(start)+i) | PG_V; 1120 mba->mba_sr = -1; 1121 mba->mba_bcr = -(blk*NBPG); 1122 mba->mba_var = 0; 1123 hpaddr->hpcs1 = HP_WCOM | HP_GO; 1124 while ((hpaddr->hpds & HPDS_DRY) == 0) 1125 DELAY(10); 1126 if (hpaddr->hpds&HPDS_ERR) 1127 return (EIO); 1128 start += blk*NBPG; 1129 num -= blk; 1130 } 1131 return (0); 1132 } 1133 1134 hpsize(dev) 1135 dev_t dev; 1136 { 1137 register int unit = hpunit(dev); 1138 struct mba_device *mi; 1139 1140 if (unit >= NHP || (mi = hpinfo[unit]) == 0 || mi->mi_alive == 0 || 1141 hpsoftc[unit].sc_state != OPEN) 1142 return (-1); 1143 return ((int)hplabel[unit].d_partitions[hppart(dev)].p_size); 1144 } 1145 1146 #ifdef COMPAT_42 1147 /* 1148 * Compatibility code to fake up pack label 1149 * for unlabeled disks. 1150 */ 1151 struct size { 1152 daddr_t nblocks; 1153 int cyloff; 1154 } rp06_sizes[8] = { 1155 15884, 0, /* A=cyl 0 thru 37 */ 1156 33440, 38, /* B=cyl 38 thru 117 */ 1157 340670, 0, /* C=cyl 0 thru 814 */ 1158 15884, 118, /* D=cyl 118 thru 155 */ 1159 55936, 156, /* E=cyl 156 thru 289 */ 1160 219384, 290, /* F=cyl 290 thru 814 */ 1161 291192, 118, /* G=cyl 118 thru 814 */ 1162 0, 0, 1163 }, rp05_sizes[8] = { 1164 15884, 0, /* A=cyl 0 thru 37 */ 1165 33440, 38, /* B=cyl 38 thru 117 */ 1166 171798, 0, /* C=cyl 0 thru 410 */ 1167 15884, 118, /* D=cyl 118 thru 155 */ 1168 55936, 156, /* E=cyl 156 thru 289 */ 1169 50512, 290, /* F=cyl 290 thru 410 */ 1170 122408, 118, /* G=cyl 118 thru 410 */ 1171 0, 0, 1172 }, rm03_sizes[8] = { 1173 15884, 0, /* A=cyl 0 thru 99 */ 1174 33440, 100, /* B=cyl 100 thru 308 */ 1175 131680, 0, /* C=cyl 0 thru 822 */ 1176 15884, 309, /* D=cyl 309 thru 408 */ 1177 55936, 409, /* E=cyl 409 thru 758 */ 1178 10144, 759, /* F=cyl 759 thru 822 */ 1179 82144, 309, /* G=cyl 309 thru 822 */ 1180 0, 0, 1181 }, rm05_sizes[8] = { 1182 15884, 0, /* A=cyl 0 thru 26 */ 1183 33440, 27, /* B=cyl 27 thru 81 */ 1184 500384, 0, /* C=cyl 0 thru 822 */ 1185 15884, 562, /* D=cyl 562 thru 588 */ 1186 55936, 589, /* E=cyl 589 thru 680 */ 1187 86240, 681, /* F=cyl 681 thru 822 */ 1188 158592, 562, /* G=cyl 562 thru 822 */ 1189 291346, 82, /* H=cyl 82 thru 561 */ 1190 }, rm80_sizes[8] = { 1191 15884, 0, /* A=cyl 0 thru 36 */ 1192 33440, 37, /* B=cyl 37 thru 114 */ 1193 242606, 0, /* C=cyl 0 thru 558 */ 1194 15884, 115, /* D=cyl 115 thru 151 */ 1195 55936, 152, /* E=cyl 152 thru 280 */ 1196 120559, 281, /* F=cyl 281 thru 558 */ 1197 192603, 115, /* G=cyl 115 thru 558 */ 1198 0, 0, 1199 }, rp07_sizes[8] = { 1200 15884, 0, /* A=cyl 0 thru 9 */ 1201 66880, 10, /* B=cyl 10 thru 51 */ 1202 1008000, 0, /* C=cyl 0 thru 629 */ 1203 15884, 235, /* D=cyl 235 thru 244 */ 1204 307200, 245, /* E=cyl 245 thru 436 */ 1205 308650, 437, /* F=cyl 437 thru 629 */ 1206 631850, 235, /* G=cyl 235 thru 629 */ 1207 291346, 52, /* H=cyl 52 thru 234 */ 1208 }, cdc9775_sizes[8] = { 1209 15884, 0, /* A=cyl 0 thru 12 */ 1210 66880, 13, /* B=cyl 13 thru 65 */ 1211 1077760, 0, /* C=cyl 0 thru 841 */ 1212 15884, 294, /* D=cyl 294 thru 306 */ 1213 307200, 307, /* E=cyl 307 thru 546 */ 1214 377440, 547, /* F=cyl 547 thru 841 */ 1215 701280, 294, /* G=cyl 294 thru 841 */ 1216 291346, 66, /* H=cyl 66 thru 293 */ 1217 }, cdc9730_sizes[8] = { 1218 15884, 0, /* A=cyl 0 thru 49 */ 1219 33440, 50, /* B=cyl 50 thru 154 */ 1220 263360, 0, /* C=cyl 0 thru 822 */ 1221 15884, 155, /* D=cyl 155 thru 204 */ 1222 55936, 205, /* E=cyl 205 thru 379 */ 1223 141664, 380, /* F=cyl 380 thru 822 */ 1224 213664, 155, /* G=cyl 155 thru 822 */ 1225 0, 0, 1226 }, capricorn_sizes[8] = { 1227 15884, 0, /* A=cyl 0 thru 31 */ 1228 33440, 32, /* B=cyl 32 thru 97 */ 1229 524288, 0, /* C=cyl 0 thru 1023 */ 1230 15884, 668, /* D=cyl 668 thru 699 */ 1231 55936, 700, /* E=cyl 700 thru 809 */ 1232 109472, 810, /* F=cyl 810 thru 1023 */ 1233 182176, 668, /* G=cyl 668 thru 1023 */ 1234 291346, 98, /* H=cyl 98 thru 667 */ 1235 }, eagle_sizes[8] = { 1236 15884, 0, /* A=cyl 0 thru 16 */ 1237 66880, 17, /* B=cyl 17 thru 86 */ 1238 808320, 0, /* C=cyl 0 thru 841 */ 1239 15884, 391, /* D=cyl 391 thru 407 */ 1240 307200, 408, /* E=cyl 408 thru 727 */ 1241 109296, 728, /* F=cyl 728 thru 841 */ 1242 432816, 391, /* G=cyl 391 thru 841 */ 1243 291346, 87, /* H=cyl 87 thru 390 */ 1244 }, ampex_sizes[8] = { 1245 15884, 0, /* A=cyl 0 thru 26 */ 1246 33440, 27, /* B=cyl 27 thru 81 */ 1247 495520, 0, /* C=cyl 0 thru 814 */ 1248 15884, 562, /* D=cyl 562 thru 588 */ 1249 55936, 589, /* E=cyl 589 thru 680 */ 1250 81312, 681, /* F=cyl 681 thru 814 */ 1251 153664, 562, /* G=cyl 562 thru 814 */ 1252 291346, 82, /* H=cyl 82 thru 561 */ 1253 }, fj2361_sizes[8] = { 1254 15884, 0, /* A=cyl 0 thru 12 */ 1255 66880, 13, /* B=cyl 13 thru 65 */ 1256 1077760, 0, /* C=cyl 0 thru 841 */ 1257 15884, 294, /* D=cyl 294 thru 306 */ 1258 307200, 307, /* E=cyl 307 thru 546 */ 1259 377408, 547, /* F=cyl 547 thru 841 */ 1260 701248, 294, /* G=cyl 294 thru 841 */ 1261 291346, 66, /* H=cyl 66 thru 293 */ 1262 }; 1263 1264 /* 1265 * These variable are all measured in sectors. 1266 * Sdist is how much to "lead" in the search for a desired sector 1267 * (i.e. if want N, search for N-sdist.) 1268 * Maxdist and mindist define the region right before our desired sector within 1269 * which we don't bother searching. We don't search when we are already less 1270 * then maxdist and more than mindist sectors "before" our desired sector. 1271 * Maxdist should be >= sdist. 1272 * 1273 * Beware, sdist, mindist and maxdist are not well tuned 1274 * for many of the drives listed in this table. 1275 * Try patching things with something i/o intensive 1276 * running and watch iostat. 1277 */ 1278 struct hpst { 1279 short nsect; /* # sectors/track */ 1280 short ntrak; /* # tracks/cylinder */ 1281 short nspc; /* # sector/cylinders */ 1282 short ncyl; /* # cylinders */ 1283 struct size *sizes; /* partition tables */ 1284 short sdist; /* seek distance metric */ 1285 short maxdist; /* boundaries of non-searched area */ 1286 short mindist; /* preceding the target sector */ 1287 char *name; /* name of disk type */ 1288 } hpst[] = { 1289 { 32, 5, 32*5, 823, rm03_sizes, 7, 4, 1, "RM03" }, 1290 { 32, 19, 32*19, 823, rm05_sizes, 7, 4, 1, "RM05" }, 1291 { 22,19, 22*19, 815, rp06_sizes, 7, 4, 1, "RP06"}, 1292 { 31, 14, 31*14, 559, rm80_sizes, 7, 4, 1, "RM80"}, 1293 { 22, 19, 22*19, 411, rp05_sizes, 7, 4, 1, "RP04"}, 1294 { 22, 19, 22*19, 411, rp05_sizes, 7, 4, 1, "RP05"}, 1295 { 50, 32, 50*32, 630, rp07_sizes, 15, 8, 3, "RP07"}, 1296 { 1, 1, 1, 1, 0, 0, 0, 0, "ML11A"}, 1297 { 1, 1, 1, 1, 0, 0, 0, 0, "ML11B" }, 1298 { 32, 40, 32*40, 843, cdc9775_sizes, 7, 4, 1, "9775" }, 1299 { 32, 10, 32*10, 823, cdc9730_sizes, 7, 4, 1, "9730-160" }, 1300 { 32, 16, 32*16, 1024, capricorn_sizes,10,4, 3, "capricorn" }, 1301 { 48, 20, 48*20, 842, eagle_sizes, 15, 8, 3, "eagle" }, 1302 { 32, 19, 32*19, 815, ampex_sizes, 7, 4, 1, "9300" }, 1303 { 64, 20, 64*20, 842, fj2361_sizes, 15, 8, 3, "2361" }, 1304 }; 1305 1306 /* 1307 * Map apparent MASSBUS drive type into manufacturer 1308 * specific configuration. For SI controllers this is done 1309 * based on codes in the serial number register. For 1310 * EMULEX controllers, the track and sector attributes are 1311 * used when the drive type is an RM02 (not supported by DEC). 1312 */ 1313 hpmaptype(mi, lp) 1314 register struct mba_device *mi; 1315 register struct disklabel *lp; 1316 { 1317 register struct hpdevice *hpaddr = (struct hpdevice *)mi->mi_drv; 1318 register int type = mi->mi_type; 1319 register struct hpst *st; 1320 register i; 1321 1322 /* 1323 * Model-byte processing for SI controllers. 1324 * NB: Only deals with RM03 and RM05 emulations. 1325 */ 1326 if (type == HPDT_RM03 || type == HPDT_RM05) { 1327 int hpsn = hpaddr->hpsn; 1328 1329 if ((hpsn & SIMB_LU) == mi->mi_drive) 1330 switch ((hpsn & SIMB_MB) & ~(SIMB_S6|SIRM03|SIRM05)) { 1331 1332 case SI9775D: 1333 type = HPDT_9775; 1334 break; 1335 1336 case SI9730D: 1337 type = HPDT_9730; 1338 break; 1339 1340 case SI9766: 1341 type = HPDT_RM05; 1342 break; 1343 1344 case SI9762: 1345 type = HPDT_RM03; 1346 break; 1347 1348 case SICAPD: 1349 type = HPDT_CAPRICORN; 1350 break; 1351 1352 case SI9751D: 1353 type = HPDT_EAGLE; 1354 break; 1355 } 1356 } 1357 1358 /* 1359 * EMULEX SC750 or SC780. Poke the holding register. 1360 */ 1361 if (type == HPDT_RM02) { 1362 int nsectors, ntracks, ncyl; 1363 1364 hpaddr->hpof = HPOF_FMT22; 1365 mbclrattn(mi); 1366 hpaddr->hpcs1 = HP_NOP; 1367 hpaddr->hphr = HPHR_MAXTRAK; 1368 ntracks = MASKREG(hpaddr->hphr) + 1; 1369 DELAY(100); 1370 hpaddr->hpcs1 = HP_NOP; 1371 hpaddr->hphr = HPHR_MAXSECT; 1372 nsectors = MASKREG(hpaddr->hphr) + 1; 1373 DELAY(100); 1374 hpaddr->hpcs1 = HP_NOP; 1375 hpaddr->hphr = HPHR_MAXCYL; 1376 ncyl = MASKREG(hpaddr->hphr) + 1; 1377 for (type = 0; hptypes[type] != 0; type++) 1378 if (hpst[type].nsect == nsectors && 1379 hpst[type].ntrak == ntracks && 1380 hpst[type].ncyl == ncyl) 1381 break; 1382 1383 hpaddr->hpcs1 = HP_DCLR|HP_GO; 1384 mbclrattn(mi); /* conservative */ 1385 if (hptypes[type] == 0) { 1386 printf("hp%d: %d sectors, %d tracks, %d cylinders: unknown device\n", 1387 mi->mi_unit, nsectors, ntracks, ncyl); 1388 lp->d_nsectors = nsectors; 1389 lp->d_ntracks = ntracks; 1390 lp->d_ncylinders = ncyl; 1391 lp->d_secpercyl = nsectors*ntracks; 1392 lp->d_secperunit = lp->d_secpercyl * lp->d_ncylinders; 1393 lp->d_npartitions = 1; 1394 lp->d_partitions[0].p_offset = 0; 1395 lp->d_partitions[0].p_size = lp->d_secperunit; 1396 return (0); 1397 } 1398 } 1399 1400 /* 1401 * set up minimal disk label. 1402 */ 1403 st = &hpst[type]; 1404 lp->d_nsectors = st->nsect; 1405 lp->d_ntracks = st->ntrak; 1406 lp->d_secpercyl = st->nspc; 1407 lp->d_ncylinders = st->ncyl; 1408 lp->d_secperunit = st->nspc * st->ncyl; 1409 lp->d_sdist = st->sdist; 1410 lp->d_mindist = st->mindist; 1411 lp->d_maxdist = st->maxdist; 1412 bcopy(hpst[type].name, lp->d_typename, sizeof(lp->d_typename)); 1413 lp->d_npartitions = 8; 1414 for (i = 0; i < 8; i++) { 1415 lp->d_partitions[i].p_offset = st->sizes[i].cyloff * 1416 lp->d_secpercyl; 1417 lp->d_partitions[i].p_size = st->sizes[i].nblocks; 1418 } 1419 return (type); 1420 } 1421 #endif COMPAT_42 1422 #endif 1423