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 7.17 (Berkeley) 05/29/89 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 #define HPDT_2361A 16 93 -1, 94 0 95 }; 96 97 struct mba_device *hpinfo[NHP]; 98 int hpattach(),hpustart(),hpstart(),hpdtint(),hpstrategy(); 99 struct mba_driver hpdriver = 100 { hpattach, 0, hpustart, hpstart, hpdtint, 0, 101 hptypes, "hp", 0, hpinfo }; 102 103 u_char hp_offset[16] = { 104 HPOF_P400, HPOF_M400, HPOF_P400, HPOF_M400, 105 HPOF_P800, HPOF_M800, HPOF_P800, HPOF_M800, 106 HPOF_P1200, HPOF_M1200, HPOF_P1200, HPOF_M1200, 107 0, 0, 0, 0, 108 }; 109 110 struct disklabel hplabel[NHP]; 111 struct dkbad hpbad[NHP]; 112 113 struct hpsoftc { 114 u_char sc_recal; /* recalibrate state */ 115 u_char sc_doseeks; /* perform explicit seeks */ 116 #ifdef COMPAT_42 117 u_char sc_hdr; /* next i/o includes header */ 118 #endif 119 int sc_state; /* open fsm */ 120 int sc_wlabel; /* label sector is currently writable */ 121 u_long sc_openpart; /* bit mask of open subunits */ 122 u_long sc_copenpart; /* bit mask of open character subunits */ 123 u_long sc_bopenpart; /* bit mask of open block subunits */ 124 daddr_t sc_mlsize; /* ML11 size */ 125 int sc_blkdone; /* amount sucessfully transfered */ 126 daddr_t sc_badbn; /* replacement block number */ 127 int sc_status; /* copy of drive status reg. after format */ 128 int sc_hpds; /* copy of hpds reg. after format */ 129 int sc_er1; /* copy of error reg. 1 after format */ 130 int sc_er2; /* copy of error reg. 2 after format */ 131 } hpsoftc[NHP]; 132 133 /* 134 * Drive states. Used during steps of open/initialization. 135 * States < OPEN (> 0) are transient, during an open operation. 136 * OPENRAW is used for unlabeled disks, 137 * to inhibit bad-sector forwarding or allow format operations. 138 */ 139 #define CLOSED 0 /* disk is closed. */ 140 #define WANTOPEN 1 /* open requested, not started */ 141 #define WANTOPENRAW 2 /* open requested, no label */ 142 #define RDLABEL 3 /* reading pack label */ 143 #define RDBADTBL 4 /* reading bad-sector table */ 144 #define OPEN 5 /* initialized and ready */ 145 #define OPENRAW 6 /* open, no label or badsect */ 146 147 #define b_cylin b_resid 148 149 /* #define ML11 0 to remove ML11 support */ 150 #define ML11(type) ((type) == HPDT_ML11A) 151 #define RP06(type) (hptypes[type] <= MBDT_RP06) 152 #define RM80(type) ((type) == HPDT_RM80) 153 154 #define hpunit(dev) (minor(dev) >> 3) 155 #define hppart(dev) (minor(dev) & 07) 156 #define hpminor(unit, part) (((unit) << 3) | (part)) 157 158 #define MASKREG(reg) ((reg)&0xffff) 159 #ifdef lint 160 #define HPWAIT(mi, addr) (hpwait(mi)) 161 #else 162 #define HPWAIT(mi, addr) (((addr)->hpds & HPDS_DRY) || hpwait(mi)) 163 #endif 164 165 /*ARGSUSED*/ 166 hpattach(mi, slave) 167 struct mba_device *mi; 168 { 169 register int unit = mi->mi_unit; 170 extern int cold; 171 172 if (cold) { 173 /* 174 * Try to initialize device and read pack label. 175 */ 176 if (hpinit(hpminor(unit, 0), 0) == 0) { 177 printf(": %s", hplabel[unit].d_typename); 178 #ifdef notyet 179 addswap(makedev(HPMAJOR, hpminor(unit, 0)), 180 &hplabel[unit]); 181 #endif 182 } else 183 printf(": offline"); 184 } 185 } 186 187 hpopen(dev, flags, fmt) 188 dev_t dev; 189 int flags, fmt; 190 { 191 register int unit = hpunit(dev); 192 register struct hpsoftc *sc; 193 register struct disklabel *lp; 194 register struct partition *pp; 195 struct mba_device *mi; 196 int s, error, part = hppart(dev), mask = 1 << part; 197 daddr_t start, end; 198 199 if (unit >= NHP || (mi = hpinfo[unit]) == 0 || mi->mi_alive == 0) 200 return (ENXIO); 201 sc = &hpsoftc[unit]; 202 lp = &hplabel[unit]; 203 204 s = spl5(); 205 while (sc->sc_state != OPEN && sc->sc_state != OPENRAW && 206 sc->sc_state != CLOSED) 207 sleep ((caddr_t)sc, PZERO+1); 208 splx(s); 209 if (sc->sc_state != OPEN && sc->sc_state != OPENRAW) 210 if (error = hpinit(dev, flags)) 211 return (error); 212 if (part >= lp->d_npartitions) 213 return (ENXIO); 214 /* 215 * Warn if a partion is opened 216 * that overlaps another partition which is open 217 * unless one is the "raw" partition (whole disk). 218 */ 219 #define RAWPART 2 /* 'c' partition */ /* XXX */ 220 if ((sc->sc_openpart & mask) == 0 && part != RAWPART) { 221 pp = &lp->d_partitions[part]; 222 start = pp->p_offset; 223 end = pp->p_offset + pp->p_size; 224 for (pp = lp->d_partitions; 225 pp < &lp->d_partitions[lp->d_npartitions]; pp++) { 226 if (pp->p_offset + pp->p_size <= start || 227 pp->p_offset >= end) 228 continue; 229 if (pp - lp->d_partitions == RAWPART) 230 continue; 231 if (sc->sc_openpart & (1 << (pp - lp->d_partitions))) 232 log(LOG_WARNING, 233 "hp%d%c: overlaps open partition (%c)\n", 234 unit, part + 'a', 235 pp - lp->d_partitions + 'a'); 236 } 237 } 238 switch (fmt) { 239 case S_IFCHR: 240 sc->sc_copenpart |= mask; 241 break; 242 case S_IFBLK: 243 sc->sc_bopenpart |= mask; 244 break; 245 } 246 sc->sc_openpart |= mask; 247 return (0); 248 } 249 250 /* ARGSUSED */ 251 hpclose(dev, flags, fmt) 252 dev_t dev; 253 int flags, fmt; 254 { 255 register int unit = hpunit(dev); 256 register struct hpsoftc *sc; 257 struct mba_device *mi; 258 int s, mask = 1 << hppart(dev); 259 260 sc = &hpsoftc[unit]; 261 mi = hpinfo[unit]; 262 switch (fmt) { 263 case S_IFCHR: 264 sc->sc_copenpart &= ~mask; 265 break; 266 case S_IFBLK: 267 sc->sc_bopenpart &= ~mask; 268 break; 269 } 270 sc->sc_openpart = sc->sc_copenpart | sc->sc_bopenpart; 271 272 /* 273 * Should wait for I/O to complete on this partition 274 * even if others are open, but wait for work on blkflush(). 275 */ 276 if (sc->sc_openpart == 0) { 277 s = spl5(); 278 while (mi->mi_tab.b_actf) 279 sleep((caddr_t)sc, PZERO - 1); 280 splx(s); 281 sc->sc_state = CLOSED; 282 sc->sc_wlabel = 0; 283 } 284 return (0); 285 } 286 287 hpinit(dev, flags) 288 dev_t dev; 289 int flags; 290 { 291 register struct hpsoftc *sc; 292 register struct buf *bp; 293 register struct disklabel *lp; 294 struct mba_device *mi; 295 struct hpdevice *hpaddr; 296 struct dkbad *db; 297 char *msg, *readdisklabel(); 298 int unit, i, error = 0; 299 300 unit = hpunit(dev); 301 sc = &hpsoftc[unit]; 302 lp = &hplabel[unit]; 303 mi = hpinfo[unit]; 304 hpaddr = (struct hpdevice *)mi->mi_drv; 305 306 sc->sc_state = WANTOPEN; 307 /* 308 * Use the default sizes until we've read the label, 309 * or longer if there isn't one there. 310 */ 311 if (lp->d_secpercyl == 0) { 312 lp->d_secsize = DEV_BSIZE; 313 lp->d_nsectors = 32; 314 lp->d_ntracks = 20; 315 lp->d_secpercyl = 32*20; 316 lp->d_npartitions = 1; 317 lp->d_partitions[0].p_offset = 0; 318 lp->d_partitions[0].p_size = LABELSECTOR + 1; 319 } 320 321 if (flags & O_NDELAY) 322 goto raw; 323 324 /* 325 * Map all ML11's to the same type. Also calculate 326 * transfer rates based on device characteristics. 327 * Set up dummy label with all that's needed. 328 */ 329 if (mi->mi_type == MBDT_ML11A || mi->mi_type == MBDT_ML11B) { 330 register int trt; 331 332 sc->sc_mlsize = hpaddr->hpmr & HPMR_SZ; 333 if ((hpaddr->hpmr & HPMR_ARRTYP) == 0) 334 sc->sc_mlsize >>= 2; 335 if (mi->mi_dk >= 0) { 336 trt = (hpaddr->hpmr & HPMR_TRT) >> 8; 337 dk_wpms[mi->mi_dk] = (1<<(20-trt)); 338 } 339 mi->mi_type = MBDT_ML11A; 340 lp->d_partitions[0].p_size = sc->sc_mlsize; 341 lp->d_secpercyl = sc->sc_mlsize; 342 goto raw; 343 } 344 345 /* 346 * Preset, pack acknowledge will be done in hpstart 347 * during first read operation. 348 */ 349 if (msg = readdisklabel(dev, hpstrategy, lp)) { 350 if (cold) 351 printf(": %s", msg); 352 else 353 log(LOG_ERR, "hp%d: %s\n", unit, msg); 354 #ifdef COMPAT_42 355 if (hpmaptype(mi, lp) == 0) 356 #endif 357 goto raw; 358 } 359 360 /* 361 * Seconds per word = (60 / rpm) / (nsectors * secsize/2) 362 */ 363 if (mi->mi_dk >= 0 && lp->d_rpm) 364 dk_wpms[mi->mi_dk] = 365 (lp->d_rpm * lp->d_nsectors * lp->d_secsize) / 120; 366 /* 367 * Read bad sector table into memory. 368 */ 369 bp = geteblk(DEV_BSIZE); /* max sector size */ 370 bp->b_dev = dev; 371 sc->sc_state = RDBADTBL; 372 i = 0; 373 do { 374 u.u_error = 0; /* XXX */ 375 bp->b_flags = B_BUSY | B_READ; 376 bp->b_blkno = lp->d_secperunit - lp->d_nsectors + i; 377 bp->b_bcount = lp->d_secsize; 378 bp->b_cylin = lp->d_ncylinders - 1; 379 hpstrategy(bp); 380 biowait(bp); 381 } while ((bp->b_flags & B_ERROR) && (i += 2) < 10 && 382 i < lp->d_nsectors); 383 db = (struct dkbad *)(bp->b_un.b_addr); 384 if ((bp->b_flags & B_ERROR) == 0 && db->bt_mbz == 0 && 385 db->bt_flag == 0) { 386 hpbad[unit] = *db; 387 } else { 388 log(LOG_ERR, "hp%d: %s bad-sector file\n", unit, 389 (bp->b_flags & B_ERROR) ? "can't read" : "format error in"); 390 u.u_error = 0; /* XXX */ 391 } 392 sc->sc_state = OPEN; 393 bp->b_flags = B_INVAL | B_AGE; 394 brelse(bp); 395 wakeup((caddr_t)sc); 396 return (error); 397 398 raw: 399 if (cold) 400 sc->sc_state = CLOSED; 401 else { 402 sc->sc_state = OPENRAW; 403 wakeup((caddr_t)sc); 404 } 405 return (error); 406 } 407 408 hpstrategy(bp) 409 register struct buf *bp; 410 { 411 register struct mba_device *mi; 412 register struct disklabel *lp; 413 register struct hpsoftc *sc; 414 register int unit; 415 daddr_t sz, maxsz; 416 int xunit = hppart(bp->b_dev); 417 int s; 418 419 sz = (bp->b_bcount + DEV_BSIZE - 1) >> DEV_BSHIFT; 420 unit = hpunit(bp->b_dev); 421 if (unit >= NHP) { 422 bp->b_error = ENXIO; 423 goto bad; 424 } 425 mi = hpinfo[unit]; 426 sc = &hpsoftc[unit]; 427 lp = &hplabel[unit]; 428 if (mi == 0 || mi->mi_alive == 0) { 429 bp->b_error = ENXIO; 430 goto bad; 431 } 432 #ifdef COMPAT_42 433 if (sc->sc_hdr) { /* XXX */ 434 if (bp->b_bcount == 516) 435 bp->b_flags |= B_FORMAT; 436 sc->sc_hdr = 0; 437 } 438 #endif 439 if (sc->sc_state < OPEN) 440 goto q; 441 if (sc->sc_state != OPEN && (bp->b_flags & B_READ) == 0) { 442 bp->b_error = EROFS; 443 goto bad; 444 } 445 if ((sc->sc_openpart & (1 << xunit)) == 0) { 446 bp->b_error = ENODEV; 447 goto bad; 448 } 449 maxsz = lp->d_partitions[xunit].p_size; 450 if (bp->b_blkno + lp->d_partitions[xunit].p_offset <= LABELSECTOR && 451 #if LABELSECTOR != 0 452 bp->b_blkno + lp->d_partitions[xunit].p_offset + sz > LABELSECTOR && 453 #endif 454 (bp->b_flags & B_READ) == 0 && sc->sc_wlabel == 0) { 455 bp->b_error = EROFS; 456 goto bad; 457 } 458 if (bp->b_blkno < 0 || bp->b_blkno + sz > maxsz) { 459 if (bp->b_blkno == maxsz) { 460 bp->b_resid = bp->b_bcount; 461 goto done; 462 } 463 sz = maxsz - bp->b_blkno; 464 if (sz <= 0) { 465 bp->b_error = EINVAL; 466 goto bad; 467 } 468 bp->b_bcount = sz << DEV_BSHIFT; 469 } 470 bp->b_cylin = (bp->b_blkno + lp->d_partitions[xunit].p_offset) / 471 lp->d_secpercyl; 472 q: 473 s = spl5(); 474 disksort(&mi->mi_tab, bp); 475 if (mi->mi_tab.b_active == 0) 476 mbustart(mi); 477 splx(s); 478 return; 479 480 bad: 481 bp->b_flags |= B_ERROR; 482 done: 483 biodone(bp); 484 return; 485 } 486 487 hpustart(mi) 488 register struct mba_device *mi; 489 { 490 register struct hpdevice *hpaddr = (struct hpdevice *)mi->mi_drv; 491 register struct buf *bp = mi->mi_tab.b_actf; 492 register struct disklabel *lp; 493 struct hpsoftc *sc = &hpsoftc[mi->mi_unit]; 494 daddr_t bn; 495 int sn, tn, dist; 496 497 lp = &hplabel[mi->mi_unit]; 498 hpaddr->hpcs1 = 0; 499 if ((hpaddr->hpcs1&HP_DVA) == 0) 500 return (MBU_BUSY); 501 502 switch (sc->sc_recal) { 503 504 case 1: 505 (void)HPWAIT(mi, hpaddr); 506 hpaddr->hpdc = bp->b_cylin; 507 hpaddr->hpcs1 = HP_SEEK|HP_GO; 508 sc->sc_recal++; 509 return (MBU_STARTED); 510 case 2: 511 break; 512 } 513 sc->sc_recal = 0; 514 if ((hpaddr->hpds & HPDS_VV) == 0) { 515 if (sc->sc_state == OPEN && lp->d_flags & D_REMOVABLE) { 516 if (sc->sc_openpart) 517 log(LOG_ERR, "hp%d: volume changed\n", 518 mi->mi_unit); 519 sc->sc_openpart = 0; 520 bp->b_flags |= B_ERROR; 521 return (MBU_NEXT); 522 } 523 hpaddr->hpcs1 = HP_DCLR|HP_GO; 524 if (mi->mi_mba->mba_drv[0].mbd_as & (1<<mi->mi_drive)) 525 printf("DCLR attn\n"); 526 hpaddr->hpcs1 = HP_PRESET|HP_GO; 527 if (!ML11(mi->mi_type)) 528 hpaddr->hpof = HPOF_FMT22; 529 mbclrattn(mi); 530 if (sc->sc_state == WANTOPENRAW) { 531 sc->sc_state = OPENRAW; 532 return (MBU_NEXT); 533 } 534 if (sc->sc_state == WANTOPEN) 535 sc->sc_state = RDLABEL; 536 } 537 if (mi->mi_tab.b_active || mi->mi_hd->mh_ndrive == 1) { 538 if (mi->mi_tab.b_errcnt >= 16 && (bp->b_flags & B_READ)) { 539 hpaddr->hpof = 540 hp_offset[mi->mi_tab.b_errcnt & 017]|HPOF_FMT22; 541 hpaddr->hpcs1 = HP_OFFSET|HP_GO; 542 (void)HPWAIT(mi, hpaddr); 543 mbclrattn(mi); 544 } 545 return (MBU_DODATA); 546 } 547 if (ML11(mi->mi_type)) 548 return (MBU_DODATA); 549 if ((hpaddr->hpds & HPDS_DREADY) != HPDS_DREADY) 550 return (MBU_DODATA); 551 bn = bp->b_blkno; 552 sn = bn % lp->d_secpercyl; 553 tn = sn / lp->d_nsectors; 554 sn = sn % lp->d_nsectors; 555 if (bp->b_cylin == MASKREG(hpaddr->hpdc)) { 556 if (sc->sc_doseeks) 557 return (MBU_DODATA); 558 dist = sn - (MASKREG(hpaddr->hpla) >> 6) - 1; 559 if (dist < 0) 560 dist += lp->d_nsectors; 561 if (dist <= lp->d_maxdist && dist >= lp->d_mindist) 562 return (MBU_DODATA); 563 } else 564 hpaddr->hpdc = bp->b_cylin; 565 if (sc->sc_doseeks) 566 hpaddr->hpcs1 = HP_SEEK|HP_GO; 567 else { 568 sn = (sn + lp->d_nsectors - lp->d_sdist) % lp->d_nsectors; 569 hpaddr->hpda = (tn << 8) + sn; 570 hpaddr->hpcs1 = HP_SEARCH|HP_GO; 571 } 572 return (MBU_STARTED); 573 } 574 575 hpstart(mi) 576 register struct mba_device *mi; 577 { 578 register struct hpdevice *hpaddr = (struct hpdevice *)mi->mi_drv; 579 register struct buf *bp = mi->mi_tab.b_actf; 580 register struct disklabel *lp = &hplabel[mi->mi_unit]; 581 struct hpsoftc *sc = &hpsoftc[mi->mi_unit]; 582 daddr_t bn; 583 int sn, tn, cn; 584 585 if (ML11(mi->mi_type)) 586 hpaddr->hpda = bp->b_blkno + sc->sc_blkdone; 587 else { 588 if (bp->b_flags & B_BAD) { 589 bn = sc->sc_badbn; 590 cn = bn / lp->d_secpercyl; 591 } else { 592 bn = bp->b_blkno; 593 cn = bp->b_cylin; 594 } 595 sn = bn % lp->d_secpercyl; 596 if ((bp->b_flags & B_BAD) == 0) 597 sn += sc->sc_blkdone; 598 tn = sn / lp->d_nsectors; 599 sn %= lp->d_nsectors; 600 cn += tn / lp->d_ntracks; 601 tn %= lp->d_ntracks; 602 hpaddr->hpda = (tn << 8) + sn; 603 hpaddr->hpdc = cn; 604 } 605 mi->mi_tab.b_bdone = dbtob(sc->sc_blkdone); 606 if (bp->b_flags & B_FORMAT) { 607 if (bp->b_flags & B_READ) 608 return (HP_RHDR|HP_GO); 609 else 610 return (HP_WHDR|HP_GO); 611 } 612 return (0); 613 } 614 615 hpdtint(mi, mbsr) 616 register struct mba_device *mi; 617 int mbsr; 618 { 619 register struct hpdevice *hpaddr = (struct hpdevice *)mi->mi_drv; 620 register struct buf *bp = mi->mi_tab.b_actf; 621 register int er1, er2; 622 struct hpsoftc *sc = &hpsoftc[mi->mi_unit]; 623 int retry = 0; 624 int npf, bcr; 625 626 bcr = MASKREG(-mi->mi_mba->mba_bcr); 627 if (bp->b_flags & B_FORMAT) { 628 sc->sc_status = mbsr; 629 sc->sc_hpds = hpaddr->hpds; 630 sc->sc_er1 = hpaddr->hper1; 631 sc->sc_er2 = hpaddr->hper2; 632 } 633 if (hpaddr->hpds&HPDS_ERR || mbsr&MBSR_EBITS) { 634 er1 = hpaddr->hper1; 635 er2 = hpaddr->hper2; 636 if (bp->b_flags & B_BAD) 637 npf = bp->b_error; 638 else { 639 npf = btodb(bp->b_bcount + (DEV_BSIZE - 1) - bcr); 640 if (er1 & (HPER1_DCK | HPER1_ECH)) 641 npf--; 642 } 643 if (HPWAIT(mi, hpaddr) == 0) 644 goto hard; 645 #ifdef HPDEBUG 646 if (hpdebug) { 647 int dc = hpaddr->hpdc, da = hpaddr->hpda; 648 daddr_t bn; 649 650 if (bp->b_flags & B_BAD) 651 bn = sc->sc_badbn; 652 else 653 bn = bp->b_blkno + npf; 654 log(LOG_DEBUG, 655 "hperr: bp %x cyl %d blk %d blkdone %d as %o dc %x da %x\n", 656 bp, bp->b_cylin, bn, sc->sc_blkdone, 657 hpaddr->hpas&0xff, MASKREG(dc), MASKREG(da)); 658 log(LOG_DEBUG, 659 "errcnt %d mbsr=%b er1=%b er2=%b bcr -%d\n", 660 mi->mi_tab.b_errcnt, mbsr, mbsr_bits, 661 MASKREG(er1), HPER1_BITS, 662 MASKREG(er2), HPER2_BITS, bcr); 663 } 664 #endif 665 if (er1 & HPER1_HCRC) { 666 er1 &= ~(HPER1_HCE|HPER1_FER); 667 er2 &= ~HPER2_BSE; 668 } 669 if (er1 & HPER1_WLE) { 670 log(LOG_WARNING, "hp%d: write locked\n", 671 hpunit(bp->b_dev)); 672 bp->b_flags |= B_ERROR; 673 } else if (bp->b_flags & B_FORMAT) { 674 bp->b_flags |= B_ERROR; 675 } else if (RM80(mi->mi_type) && er2&HPER2_SSE) { 676 (void) hpecc(mi, SSE); 677 return (MBD_RESTARTED); 678 } else if ((er2 & HPER2_BSE) && !ML11(mi->mi_type)) { 679 if (hpecc(mi, BSE)) 680 return (MBD_RESTARTED); 681 goto hard; 682 } else if (MASKREG(er1) == HPER1_FER && RP06(mi->mi_type)) { 683 if (hpecc(mi, BSE)) 684 return (MBD_RESTARTED); 685 goto hard; 686 } else if ((er1 & (HPER1_DCK | HPER1_ECH)) == HPER1_DCK && 687 mi->mi_tab.b_errcnt >= 3) { 688 if (hpecc(mi, ECC)) 689 return (MBD_RESTARTED); 690 /* 691 * ECC corrected. Only log retries below 692 * if we got errors other than soft ECC 693 * (as indicated by additional retries). 694 */ 695 if (mi->mi_tab.b_errcnt == 3) 696 mi->mi_tab.b_errcnt = 0; 697 } else if ((er1 & HPER1_HCRC) && !ML11(mi->mi_type) && 698 hpecc(mi, BSE)) { 699 /* 700 * HCRC means the header is screwed up and the sector 701 * might well exist in the bad sector table, 702 * better check.... 703 */ 704 return (MBD_RESTARTED); 705 } else if (++mi->mi_tab.b_errcnt > 27 || 706 (ML11(mi->mi_type) && mi->mi_tab.b_errcnt > 15) || 707 mbsr & MBSR_HARD || 708 er1 & HPER1_HARD || 709 (!ML11(mi->mi_type) && (er2 & HPER2_HARD))) { 710 hard: 711 diskerr(bp, "hp", "hard error", LOG_PRINTF, npf, 712 &hplabel[mi->mi_unit]); 713 if (bp->b_flags & B_BAD) 714 printf(" (on replacement sector %d)", 715 sc->sc_badbn); 716 if (mbsr & (MBSR_EBITS &~ (MBSR_DTABT|MBSR_MBEXC))) 717 printf(" mbsr=%b", mbsr, mbsr_bits); 718 printf(" er1=%b er2=%b\n", 719 MASKREG(hpaddr->hper1), HPER1_BITS, 720 MASKREG(hpaddr->hper2), HPER2_BITS); 721 bp->b_flags |= B_ERROR; 722 bp->b_flags &= ~B_BAD; 723 } else 724 retry = 1; 725 hpaddr->hpcs1 = HP_DCLR|HP_GO; 726 if (retry && (mi->mi_tab.b_errcnt & 07) == 4) { 727 hpaddr->hpcs1 = HP_RECAL|HP_GO; 728 sc->sc_recal = 1; 729 return (MBD_REPOSITION); 730 } 731 } 732 #ifdef HPDEBUG 733 else 734 if (hpdebug && sc->sc_recal) { 735 log(LOG_DEBUG, 736 "recal %d errcnt %d mbsr=%b er1=%b er2=%b\n", 737 sc->sc_recal, mi->mi_tab.b_errcnt, mbsr, mbsr_bits, 738 hpaddr->hper1, HPER1_BITS, 739 hpaddr->hper2, HPER2_BITS); 740 } 741 #endif 742 (void)HPWAIT(mi, hpaddr); 743 if (retry) 744 return (MBD_RETRY); 745 if (mi->mi_tab.b_errcnt >= 16) { 746 /* 747 * This is fast and occurs rarely; we don't 748 * bother with interrupts. 749 */ 750 hpaddr->hpcs1 = HP_RTC|HP_GO; 751 (void)HPWAIT(mi, hpaddr); 752 mbclrattn(mi); 753 } 754 if (mi->mi_tab.b_errcnt && (bp->b_flags & B_ERROR) == 0) { 755 diskerr(bp, "hp", "retries", LOG_INFO, sc->sc_blkdone, 756 &hplabel[mi->mi_unit]); 757 addlog(": %d retries\n", mi->mi_tab.b_errcnt); 758 } 759 if ((bp->b_flags & B_BAD) && hpecc(mi, CONT)) 760 return (MBD_RESTARTED); 761 sc->sc_blkdone = 0; 762 bp->b_resid = bcr; 763 if (!ML11(mi->mi_type)) { 764 hpaddr->hpof = HPOF_FMT22; 765 hpaddr->hpcs1 = HP_RELEASE|HP_GO; 766 } 767 if (sc->sc_openpart == 0) 768 wakeup((caddr_t)sc); 769 return (MBD_DONE); 770 } 771 772 /* 773 * Wait (for a bit) for a drive to come ready; 774 * returns nonzero on success. 775 */ 776 hpwait(mi) 777 register struct mba_device *mi; 778 { 779 register struct hpdevice *hpaddr = (struct hpdevice *)mi->mi_drv; 780 register i = 100000; 781 782 while ((hpaddr->hpds & HPDS_DRY) == 0 && --i) 783 DELAY(10); 784 if (i == 0) 785 printf("hp%d: intr, not ready\n", mi->mi_unit); 786 return (i); 787 } 788 789 hpioctl(dev, cmd, data, flag) 790 dev_t dev; 791 int cmd; 792 caddr_t data; 793 int flag; 794 { 795 int unit = hpunit(dev); 796 register struct disklabel *lp; 797 register struct hpsoftc *sc = &hpsoftc[unit]; 798 int error = 0; 799 int hpformat(); 800 801 lp = &hplabel[unit]; 802 803 switch (cmd) { 804 805 case DIOCGDINFO: 806 *(struct disklabel *)data = *lp; 807 break; 808 809 case DIOCGPART: 810 ((struct partinfo *)data)->disklab = lp; 811 ((struct partinfo *)data)->part = 812 &lp->d_partitions[hppart(dev)]; 813 break; 814 815 case DIOCSDINFO: 816 if ((flag & FWRITE) == 0) 817 error = EBADF; 818 else 819 error = setdisklabel(lp, (struct disklabel *)data, 820 (sc->sc_state == OPENRAW) ? 0 : sc->sc_openpart); 821 if (error == 0) 822 sc->sc_state = OPEN; 823 break; 824 825 case DIOCWLABEL: 826 if ((flag & FWRITE) == 0) 827 error = EBADF; 828 else 829 sc->sc_wlabel = *(int *)data; 830 break; 831 832 case DIOCWDINFO: 833 if ((flag & FWRITE) == 0) 834 error = EBADF; 835 else if ((error = setdisklabel(lp, (struct disklabel *)data, 836 (sc->sc_state == OPENRAW) ? 0 : sc->sc_openpart)) == 0) { 837 int wlab; 838 839 sc->sc_state = OPEN; 840 /* simulate opening partition 0 so write succeeds */ 841 sc->sc_openpart |= (1 << 0); /* XXX */ 842 wlab = sc->sc_wlabel; 843 sc->sc_wlabel = 1; 844 error = writedisklabel(dev, hpstrategy, lp); 845 sc->sc_openpart = sc->sc_copenpart | sc->sc_bopenpart; 846 sc->sc_wlabel = wlab; 847 } 848 break; 849 850 case DIOCSBAD: 851 { 852 struct dkbad *db = (struct dkbad *)data; 853 854 if ((flag & FWRITE) == 0) 855 error = EBADF; 856 else if (db->bt_mbz != 0 || db->bt_flag != 0) 857 error = EINVAL; 858 else 859 hpbad[unit] = *db; 860 break; 861 } 862 863 case DIOCRFORMAT: 864 case DIOCWFORMAT: 865 { 866 register struct format_op *fop; 867 struct uio auio; 868 struct iovec aiov; 869 870 if (cmd == DIOCWFORMAT && (flag & FWRITE) == 0) { 871 error = EBADF; 872 break; 873 } 874 fop = (struct format_op *)data; 875 aiov.iov_base = fop->df_buf; 876 aiov.iov_len = fop->df_count; 877 auio.uio_iov = &aiov; 878 auio.uio_iovcnt = 1; 879 auio.uio_resid = fop->df_count; 880 auio.uio_segflg = UIO_USERSPACE; 881 auio.uio_offset = fop->df_startblk * lp->d_secsize; 882 /* 883 * Don't return errors, as the format op won't get copied 884 * out if we return nonzero. Callers must check the returned 885 * count. 886 */ 887 (void) physio(hpformat, (struct buf *)NULL, dev, 888 (cmd == DIOCWFORMAT ? B_WRITE : B_READ), minphys, &auio); 889 fop->df_count -= auio.uio_resid; 890 fop->df_reg[0] = sc->sc_status; 891 fop->df_reg[1] = sc->sc_hpds; 892 fop->df_reg[2] = sc->sc_er1; 893 fop->df_reg[3] = sc->sc_er2; 894 break; 895 } 896 897 #ifdef COMPAT_42 898 case DKIOCHDR: /* do header read/write */ /* XXX */ 899 sc->sc_hdr = 1; 900 break; 901 #endif 902 903 default: 904 error = ENOTTY; 905 break; 906 } 907 return (error); 908 } 909 910 hpformat(bp) 911 struct buf *bp; 912 { 913 bp->b_flags |= B_FORMAT; 914 hpstrategy(bp); 915 } 916 917 hpecc(mi, flag) 918 register struct mba_device *mi; 919 int flag; 920 { 921 register struct mba_regs *mbp = mi->mi_mba; 922 register struct hpdevice *rp = (struct hpdevice *)mi->mi_drv; 923 register struct buf *bp = mi->mi_tab.b_actf; 924 register struct disklabel *lp = &hplabel[mi->mi_unit]; 925 struct hpsoftc *sc = &hpsoftc[mi->mi_unit]; 926 int npf, o; 927 int bn, cn, tn, sn; 928 int bcr; 929 930 bcr = MASKREG(-mbp->mba_bcr); 931 if (bp->b_flags & B_BAD) 932 npf = bp->b_error; 933 else { 934 npf = bp->b_bcount - bcr; 935 /* 936 * Watch out for fractional sector at end of transfer; 937 * want to round up if finished, otherwise round down. 938 */ 939 if (bcr == 0) 940 npf += 511; 941 npf = btodb(npf); 942 } 943 o = (int)bp->b_un.b_addr & PGOFSET; 944 bn = bp->b_blkno; 945 cn = bp->b_cylin; 946 sn = bn % lp->d_secpercyl + npf; 947 tn = sn / lp->d_nsectors; 948 sn %= lp->d_nsectors; 949 cn += tn / lp->d_ntracks; 950 tn %= lp->d_ntracks; 951 bn += npf; 952 switch (flag) { 953 case ECC: { 954 register int i; 955 caddr_t addr; 956 struct pte mpte; 957 int bit, byte, mask; 958 959 npf--; /* because block in error is previous block */ 960 diskerr(bp, "hp", "soft ecc", LOG_WARNING, npf, lp); 961 if (bp->b_flags & B_BAD) 962 addlog(" (on replacement sector %d)", sc->sc_badbn); 963 addlog("\n"); 964 mask = MASKREG(rp->hpec2); 965 i = MASKREG(rp->hpec1) - 1; /* -1 makes 0 origin */ 966 bit = i&07; 967 i = (i&~07)>>3; 968 byte = i + o; 969 while (i < 512 && (int)dbtob(npf)+i < bp->b_bcount && bit > -11) { 970 mpte = mbp->mba_map[npf+btop(byte)]; 971 addr = ptob(mpte.pg_pfnum) + (byte & PGOFSET); 972 putmemc(addr, getmemc(addr)^(mask<<bit)); 973 byte++; 974 i++; 975 bit -= 8; 976 } 977 if (bcr == 0) 978 return (0); 979 npf++; 980 break; 981 } 982 983 case SSE: 984 rp->hpof |= HPOF_SSEI; 985 if (bp->b_flags & B_BAD) { 986 bn = sc->sc_badbn; 987 goto fixregs; 988 } 989 mbp->mba_bcr = -(bp->b_bcount - (int)ptob(npf)); 990 break; 991 992 case BSE: 993 if (sc->sc_state == OPENRAW) 994 return (0); 995 if (rp->hpof & HPOF_SSEI) 996 sn++; 997 #ifdef HPBDEBUG 998 if (hpbdebug) 999 log(LOG_DEBUG, "hpecc, BSE: bn %d cn %d tn %d sn %d\n", bn, cn, tn, sn); 1000 #endif 1001 if (bp->b_flags & B_BAD) 1002 return (0); 1003 if ((bn = isbad(&hpbad[mi->mi_unit], cn, tn, sn)) < 0) 1004 return (0); 1005 bp->b_flags |= B_BAD; 1006 bp->b_error = npf + 1; 1007 rp->hpof &= ~HPOF_SSEI; 1008 bn = lp->d_ncylinders * lp->d_secpercyl - 1009 lp->d_nsectors - 1 - bn; 1010 sc->sc_badbn = bn; 1011 fixregs: 1012 cn = bn / lp->d_secpercyl; 1013 sn = bn % lp->d_secpercyl; 1014 tn = sn / lp->d_nsectors; 1015 sn %= lp->d_nsectors; 1016 bcr = bp->b_bcount - (int)ptob(npf); 1017 bcr = MIN(bcr, 512); 1018 mbp->mba_bcr = -bcr; 1019 #ifdef HPBDEBUG 1020 if (hpbdebug) 1021 log(LOG_DEBUG, "revector to cn %d tn %d sn %d\n", cn, tn, sn); 1022 #endif 1023 break; 1024 1025 case CONT: 1026 #ifdef HPBDEBUG 1027 if (hpbdebug) 1028 log(LOG_DEBUG, "hpecc, CONT: bn %d cn %d tn %d sn %d\n", bn,cn,tn,sn); 1029 #endif 1030 bp->b_flags &= ~B_BAD; 1031 if ((int)ptob(npf) >= bp->b_bcount) 1032 return (0); 1033 mbp->mba_bcr = -(bp->b_bcount - (int)ptob(npf)); 1034 break; 1035 } 1036 rp->hpcs1 = HP_DCLR|HP_GO; 1037 if (rp->hpof & HPOF_SSEI) 1038 sn++; 1039 rp->hpdc = cn; 1040 rp->hpda = (tn<<8) + sn; 1041 mbp->mba_sr = -1; 1042 mbp->mba_var = (int)ptob(npf) + o; 1043 rp->hpcs1 = bp->b_flags&B_READ ? HP_RCOM|HP_GO : HP_WCOM|HP_GO; 1044 mi->mi_tab.b_errcnt = 0; /* error has been corrected */ 1045 sc->sc_blkdone = npf; 1046 return (1); 1047 } 1048 1049 #define DBSIZE 20 1050 1051 hpdump(dev) 1052 dev_t dev; 1053 { 1054 register struct mba_device *mi; 1055 register struct mba_regs *mba; 1056 struct hpdevice *hpaddr; 1057 char *start; 1058 int num, unit; 1059 register struct disklabel *lp; 1060 1061 num = maxfree; 1062 start = 0; 1063 unit = hpunit(dev); 1064 if (unit >= NHP) 1065 return (ENXIO); 1066 #define phys(a,b) ((b)((int)(a)&0x7fffffff)) 1067 mi = phys(hpinfo[unit],struct mba_device *); 1068 if (mi == 0 || mi->mi_alive == 0) 1069 return (ENXIO); 1070 lp = &hplabel[unit]; 1071 mba = phys(mi->mi_hd, struct mba_hd *)->mh_physmba; 1072 mba->mba_cr = MBCR_INIT; 1073 hpaddr = (struct hpdevice *)&mba->mba_drv[mi->mi_drive]; 1074 if ((hpaddr->hpds & HPDS_VV) == 0) { 1075 hpaddr->hpcs1 = HP_DCLR|HP_GO; 1076 hpaddr->hpcs1 = HP_PRESET|HP_GO; 1077 hpaddr->hpof = HPOF_FMT22; 1078 } 1079 if (dumplo < 0) 1080 return (EINVAL); 1081 if (dumplo + num >= lp->d_partitions[hppart(dev)].p_size) 1082 num = lp->d_partitions[hppart(dev)].p_size - dumplo; 1083 while (num > 0) { 1084 register struct pte *hpte = mba->mba_map; 1085 register int i; 1086 int blk, cn, sn, tn; 1087 daddr_t bn; 1088 1089 blk = num > DBSIZE ? DBSIZE : num; 1090 bn = dumplo + btodb(start); 1091 cn = (bn + lp->d_partitions[hppart(dev)].p_offset) / 1092 lp->d_secpercyl; 1093 sn = bn % lp->d_secpercyl; 1094 tn = sn / lp->d_nsectors; 1095 sn = sn % lp->d_nsectors; 1096 hpaddr->hpdc = cn; 1097 hpaddr->hpda = (tn << 8) + sn; 1098 for (i = 0; i < blk; i++) 1099 *(int *)hpte++ = (btop(start)+i) | PG_V; 1100 mba->mba_sr = -1; 1101 mba->mba_bcr = -(blk*NBPG); 1102 mba->mba_var = 0; 1103 hpaddr->hpcs1 = HP_WCOM | HP_GO; 1104 while ((hpaddr->hpds & HPDS_DRY) == 0) 1105 DELAY(10); 1106 if (hpaddr->hpds&HPDS_ERR) 1107 return (EIO); 1108 start += blk*NBPG; 1109 num -= blk; 1110 } 1111 return (0); 1112 } 1113 1114 hpsize(dev) 1115 dev_t dev; 1116 { 1117 register int unit = hpunit(dev); 1118 struct mba_device *mi; 1119 1120 if (unit >= NHP || (mi = hpinfo[unit]) == 0 || mi->mi_alive == 0 || 1121 hpsoftc[unit].sc_state != OPEN) 1122 return (-1); 1123 return ((int)hplabel[unit].d_partitions[hppart(dev)].p_size); 1124 } 1125 1126 #ifdef COMPAT_42 1127 /* 1128 * Compatibility code to fake up pack label 1129 * for unlabeled disks. 1130 */ 1131 struct size { 1132 daddr_t nblocks; 1133 int cyloff; 1134 } rp06_sizes[8] = { 1135 15884, 0, /* A=cyl 0 thru 37 */ 1136 33440, 38, /* B=cyl 38 thru 117 */ 1137 340670, 0, /* C=cyl 0 thru 814 */ 1138 15884, 118, /* D=cyl 118 thru 155 */ 1139 55936, 156, /* E=cyl 156 thru 289 */ 1140 219384, 290, /* F=cyl 290 thru 814 */ 1141 291192, 118, /* G=cyl 118 thru 814 */ 1142 0, 0, 1143 }, rp05_sizes[8] = { 1144 15884, 0, /* A=cyl 0 thru 37 */ 1145 33440, 38, /* B=cyl 38 thru 117 */ 1146 171798, 0, /* C=cyl 0 thru 410 */ 1147 15884, 118, /* D=cyl 118 thru 155 */ 1148 55936, 156, /* E=cyl 156 thru 289 */ 1149 50512, 290, /* F=cyl 290 thru 410 */ 1150 122408, 118, /* G=cyl 118 thru 410 */ 1151 0, 0, 1152 }, rm03_sizes[8] = { 1153 15884, 0, /* A=cyl 0 thru 99 */ 1154 33440, 100, /* B=cyl 100 thru 308 */ 1155 131680, 0, /* C=cyl 0 thru 822 */ 1156 15884, 309, /* D=cyl 309 thru 408 */ 1157 55936, 409, /* E=cyl 409 thru 758 */ 1158 10144, 759, /* F=cyl 759 thru 822 */ 1159 82144, 309, /* G=cyl 309 thru 822 */ 1160 0, 0, 1161 }, rm05_sizes[8] = { 1162 15884, 0, /* A=cyl 0 thru 26 */ 1163 33440, 27, /* B=cyl 27 thru 81 */ 1164 500384, 0, /* C=cyl 0 thru 822 */ 1165 15884, 562, /* D=cyl 562 thru 588 */ 1166 55936, 589, /* E=cyl 589 thru 680 */ 1167 86240, 681, /* F=cyl 681 thru 822 */ 1168 158592, 562, /* G=cyl 562 thru 822 */ 1169 291346, 82, /* H=cyl 82 thru 561 */ 1170 }, rm80_sizes[8] = { 1171 15884, 0, /* A=cyl 0 thru 36 */ 1172 33440, 37, /* B=cyl 37 thru 114 */ 1173 242606, 0, /* C=cyl 0 thru 558 */ 1174 15884, 115, /* D=cyl 115 thru 151 */ 1175 55936, 152, /* E=cyl 152 thru 280 */ 1176 120559, 281, /* F=cyl 281 thru 558 */ 1177 192603, 115, /* G=cyl 115 thru 558 */ 1178 0, 0, 1179 }, rp07_sizes[8] = { 1180 15884, 0, /* A=cyl 0 thru 9 */ 1181 66880, 10, /* B=cyl 10 thru 51 */ 1182 1008000, 0, /* C=cyl 0 thru 629 */ 1183 15884, 235, /* D=cyl 235 thru 244 */ 1184 307200, 245, /* E=cyl 245 thru 436 */ 1185 308650, 437, /* F=cyl 437 thru 629 */ 1186 631850, 235, /* G=cyl 235 thru 629 */ 1187 291346, 52, /* H=cyl 52 thru 234 */ 1188 }, cdc9775_sizes[8] = { 1189 15884, 0, /* A=cyl 0 thru 12 */ 1190 66880, 13, /* B=cyl 13 thru 65 */ 1191 1077760, 0, /* C=cyl 0 thru 841 */ 1192 15884, 294, /* D=cyl 294 thru 306 */ 1193 307200, 307, /* E=cyl 307 thru 546 */ 1194 377440, 547, /* F=cyl 547 thru 841 */ 1195 701280, 294, /* G=cyl 294 thru 841 */ 1196 291346, 66, /* H=cyl 66 thru 293 */ 1197 }, cdc9730_sizes[8] = { 1198 15884, 0, /* A=cyl 0 thru 49 */ 1199 33440, 50, /* B=cyl 50 thru 154 */ 1200 263360, 0, /* C=cyl 0 thru 822 */ 1201 15884, 155, /* D=cyl 155 thru 204 */ 1202 55936, 205, /* E=cyl 205 thru 379 */ 1203 141664, 380, /* F=cyl 380 thru 822 */ 1204 213664, 155, /* G=cyl 155 thru 822 */ 1205 0, 0, 1206 }, capricorn_sizes[8] = { 1207 15884, 0, /* A=cyl 0 thru 31 */ 1208 33440, 32, /* B=cyl 32 thru 97 */ 1209 524288, 0, /* C=cyl 0 thru 1023 */ 1210 15884, 668, /* D=cyl 668 thru 699 */ 1211 55936, 700, /* E=cyl 700 thru 809 */ 1212 109472, 810, /* F=cyl 810 thru 1023 */ 1213 182176, 668, /* G=cyl 668 thru 1023 */ 1214 291346, 98, /* H=cyl 98 thru 667 */ 1215 }, eagle_sizes[8] = { 1216 15884, 0, /* A=cyl 0 thru 16 */ 1217 66880, 17, /* B=cyl 17 thru 86 */ 1218 808320, 0, /* C=cyl 0 thru 841 */ 1219 15884, 391, /* D=cyl 391 thru 407 */ 1220 307200, 408, /* E=cyl 408 thru 727 */ 1221 109296, 728, /* F=cyl 728 thru 841 */ 1222 432816, 391, /* G=cyl 391 thru 841 */ 1223 291346, 87, /* H=cyl 87 thru 390 */ 1224 }, ampex_sizes[8] = { 1225 15884, 0, /* A=cyl 0 thru 26 */ 1226 33440, 27, /* B=cyl 27 thru 81 */ 1227 495520, 0, /* C=cyl 0 thru 814 */ 1228 15884, 562, /* D=cyl 562 thru 588 */ 1229 55936, 589, /* E=cyl 589 thru 680 */ 1230 81312, 681, /* F=cyl 681 thru 814 */ 1231 153664, 562, /* G=cyl 562 thru 814 */ 1232 291346, 82, /* H=cyl 82 thru 561 */ 1233 }, fj2361_sizes[8] = { 1234 15884, 0, /* A=cyl 0 thru 12 */ 1235 66880, 13, /* B=cyl 13 thru 65 */ 1236 1077760, 0, /* C=cyl 0 thru 841 */ 1237 15884, 294, /* D=cyl 294 thru 306 */ 1238 307200, 307, /* E=cyl 307 thru 546 */ 1239 377408, 547, /* F=cyl 547 thru 841 */ 1240 701248, 294, /* G=cyl 294 thru 841 */ 1241 291346, 66, /* H=cyl 66 thru 293 */ 1242 }, fj2361a_sizes[8] = { 1243 15884, 0, /* A=cyl 0 thru 11 */ 1244 66880, 12, /* B=cyl 12 thru 61 */ 1245 1145120, 0, /* C=cyl 0 thru 841 */ 1246 15884, 277, /* D=cyl 277 thru 288 */ 1247 307200, 289, /* E=cyl 289 thru 514 */ 1248 444516, 515, /* F=cyl 515 thru 841 */ 1249 768196, 277, /* G=cyl 277 thru 841 */ 1250 291346, 62, /* H=cyl 62 thru 276 */ 1251 }; 1252 1253 /* 1254 * These variable are all measured in sectors. 1255 * Sdist is how much to "lead" in the search for a desired sector 1256 * (i.e. if want N, search for N-sdist.) 1257 * Maxdist and mindist define the region right before our desired sector within 1258 * which we don't bother searching. We don't search when we are already less 1259 * then maxdist and more than mindist sectors "before" our desired sector. 1260 * Maxdist should be >= sdist. 1261 * 1262 * Beware, sdist, mindist and maxdist are not well tuned 1263 * for many of the drives listed in this table. 1264 * Try patching things with something i/o intensive 1265 * running and watch iostat. 1266 * 1267 * The order of these entries must agree with the indices in hptypes[]. 1268 */ 1269 struct hpst { 1270 short nsect; /* # sectors/track */ 1271 short ntrak; /* # tracks/cylinder */ 1272 short nspc; /* # sector/cylinders */ 1273 short ncyl; /* # cylinders */ 1274 struct size *sizes; /* partition tables */ 1275 short sdist; /* seek distance metric */ 1276 short maxdist; /* boundaries of non-searched area */ 1277 short mindist; /* preceding the target sector */ 1278 char *name; /* name of disk type */ 1279 } hpst[] = { 1280 { 32, 5, 32*5, 823, rm03_sizes, 7, 4, 1, "RM03" }, 1281 { 32, 19, 32*19, 823, rm05_sizes, 7, 4, 1, "RM05" }, 1282 { 22,19, 22*19, 815, rp06_sizes, 7, 4, 1, "RP06"}, 1283 { 31, 14, 31*14, 559, rm80_sizes, 7, 4, 1, "RM80"}, 1284 { 22, 19, 22*19, 411, rp05_sizes, 7, 4, 1, "RP04"}, 1285 { 22, 19, 22*19, 411, rp05_sizes, 7, 4, 1, "RP05"}, 1286 { 50, 32, 50*32, 630, rp07_sizes, 15, 8, 3, "RP07"}, 1287 { 1, 1, 1, 1, 0, 0, 0, 0, "ML11A"}, 1288 { 1, 1, 1, 1, 0, 0, 0, 0, "ML11B" }, 1289 { 32, 40, 32*40, 843, cdc9775_sizes, 7, 4, 1, "9775" }, 1290 { 32, 10, 32*10, 823, cdc9730_sizes, 7, 4, 1, "9730-160" }, 1291 { 32, 16, 32*16, 1024, capricorn_sizes,10,4, 3, "capricorn" }, 1292 { 48, 20, 48*20, 842, eagle_sizes, 15, 8, 3, "eagle" }, 1293 { 32, 19, 32*19, 815, ampex_sizes, 7, 4, 1, "9300" }, 1294 { 64, 20, 64*20, 842, fj2361_sizes, 15, 8, 3, "2361" }, 1295 { 68, 20, 68*20, 842, fj2361a_sizes, 15, 8, 3, "2361a" }, 1296 }; 1297 1298 /* 1299 * Map apparent MASSBUS drive type into manufacturer 1300 * specific configuration. For SI controllers this is done 1301 * based on codes in the serial number register. For 1302 * EMULEX controllers, the track and sector attributes are 1303 * used when the drive type is an RM02 (not supported by DEC). 1304 */ 1305 hpmaptype(mi, lp) 1306 register struct mba_device *mi; 1307 register struct disklabel *lp; 1308 { 1309 register struct hpdevice *hpaddr = (struct hpdevice *)mi->mi_drv; 1310 register int type = mi->mi_type; 1311 register struct hpst *st; 1312 register i; 1313 1314 /* 1315 * Model-byte processing for SI controllers. 1316 * NB: Only deals with RM03 and RM05 emulations. 1317 */ 1318 if (type == HPDT_RM03 || type == HPDT_RM05) { 1319 int hpsn = hpaddr->hpsn; 1320 1321 if ((hpsn & SIMB_LU) == mi->mi_drive) 1322 switch ((hpsn & SIMB_MB) & ~(SIMB_S6|SIRM03|SIRM05)) { 1323 1324 case SI9775D: 1325 type = HPDT_9775; 1326 break; 1327 1328 case SI9730D: 1329 type = HPDT_9730; 1330 break; 1331 1332 case SI9766: 1333 type = HPDT_RM05; 1334 break; 1335 1336 case SI9762: 1337 type = HPDT_RM03; 1338 break; 1339 1340 case SICAPD: 1341 type = HPDT_CAPRICORN; 1342 break; 1343 1344 case SI9751D: 1345 type = HPDT_EAGLE; 1346 break; 1347 } 1348 mi->mi_type = type; 1349 } 1350 1351 /* 1352 * EMULEX SC750 or SC780. Poke the holding register. 1353 */ 1354 if (type == HPDT_RM02) { 1355 int nsectors, ntracks, ncyl; 1356 1357 hpaddr->hpof = HPOF_FMT22; 1358 mbclrattn(mi); 1359 hpaddr->hpcs1 = HP_NOP; 1360 hpaddr->hphr = HPHR_MAXTRAK; 1361 ntracks = MASKREG(hpaddr->hphr) + 1; 1362 DELAY(100); 1363 hpaddr->hpcs1 = HP_NOP; 1364 hpaddr->hphr = HPHR_MAXSECT; 1365 nsectors = MASKREG(hpaddr->hphr) + 1; 1366 DELAY(100); 1367 hpaddr->hpcs1 = HP_NOP; 1368 hpaddr->hphr = HPHR_MAXCYL; 1369 ncyl = MASKREG(hpaddr->hphr) + 1; 1370 for (type = 0; hptypes[type] != 0; type++) 1371 if (hpst[type].nsect == nsectors && 1372 hpst[type].ntrak == ntracks && 1373 hpst[type].ncyl == ncyl) 1374 break; 1375 1376 hpaddr->hpcs1 = HP_DCLR|HP_GO; 1377 mbclrattn(mi); /* conservative */ 1378 if (hptypes[type] == 0) { 1379 printf("hp%d: %d sectors, %d tracks, %d cylinders: unknown device\n", 1380 mi->mi_unit, nsectors, ntracks, ncyl); 1381 lp->d_nsectors = nsectors; 1382 lp->d_ntracks = ntracks; 1383 lp->d_ncylinders = ncyl; 1384 lp->d_secpercyl = nsectors*ntracks; 1385 lp->d_secperunit = lp->d_secpercyl * lp->d_ncylinders; 1386 #ifdef notdef /* set elsewhere */ 1387 lp->d_npartitions = 1; 1388 lp->d_partitions[0].p_offset = 0; 1389 #endif 1390 lp->d_partitions[0].p_size = lp->d_secperunit; 1391 return (0); 1392 } 1393 mi->mi_type = type; 1394 } 1395 1396 /* 1397 * set up minimal disk label. 1398 */ 1399 st = &hpst[type]; 1400 lp->d_nsectors = st->nsect; 1401 lp->d_ntracks = st->ntrak; 1402 lp->d_secpercyl = st->nspc; 1403 lp->d_ncylinders = st->ncyl; 1404 lp->d_secperunit = st->nspc * st->ncyl; 1405 lp->d_sdist = st->sdist; 1406 lp->d_mindist = st->mindist; 1407 lp->d_maxdist = st->maxdist; 1408 bcopy(hpst[type].name, lp->d_typename, sizeof(lp->d_typename)); 1409 lp->d_npartitions = 8; 1410 for (i = 0; i < 8; i++) { 1411 lp->d_partitions[i].p_offset = st->sizes[i].cyloff * 1412 lp->d_secpercyl; 1413 lp->d_partitions[i].p_size = st->sizes[i].nblocks; 1414 } 1415 return (1); 1416 } 1417 #endif COMPAT_42 1418 #endif 1419