X-Git-Url: https://git.subgeniuskitty.com/unix-history/.git/blobdiff_plain/943411ce300f8f3282dce7e480091d8e4ea98b54..2ad492e3a2fb9d3d658e7bb6f68496111d5cb61d:/usr/src/sys/vax/mba/hp.c diff --git a/usr/src/sys/vax/mba/hp.c b/usr/src/sys/vax/mba/hp.c index bda92aa752..f4611159fe 100644 --- a/usr/src/sys/vax/mba/hp.c +++ b/usr/src/sys/vax/mba/hp.c @@ -1,9 +1,9 @@ /* - * Copyright (c) 1982 Regents of the University of California. + * Copyright (c) 1982, 1986 Regents of the University of California. * All rights reserved. The Berkeley software License Agreement * specifies the terms and conditions for redistribution. * - * @(#)hp.c 6.10 (Berkeley) %G% + * @(#)hp.c 7.11 (Berkeley) %G% */ #ifdef HPDEBUG @@ -19,144 +19,41 @@ int hpbdebug; * HP disk driver for RP0x+RMxx+ML11 * * TODO: - * check RM80 skip sector handling when ECC's occur later - * check offset recovery handling * see if DCLR and/or RELEASE set attention status - * print bits of mr && mr2 symbolically */ -#include "../machine/pte.h" - #include "param.h" #include "systm.h" -#include "dk.h" +#include "dkstat.h" #include "buf.h" #include "conf.h" #include "dir.h" +#include "file.h" #include "user.h" #include "map.h" #include "../vax/mtpr.h" #include "vm.h" #include "cmap.h" #include "dkbad.h" +#include "disklabel.h" #include "ioctl.h" #include "uio.h" #include "syslog.h" +#include "stat.h" +#include "../machine/pte.h" #include "../vax/dkio.h" #include "mbareg.h" #include "mbavar.h" #include "hpreg.h" -/* THIS SHOULD BE READ OFF THE PACK, PER DRIVE */ -struct size { - daddr_t nblocks; - int cyloff; -} rp06_sizes[8] = { - 15884, 0, /* A=cyl 0 thru 37 */ - 33440, 38, /* B=cyl 38 thru 117 */ - 340670, 0, /* C=cyl 0 thru 814 */ - 15884, 118, /* D=cyl 118 thru 155 */ - 55936, 156, /* E=cyl 156 thru 289 */ - 219384, 290, /* F=cyl 290 thru 814 */ - 291280, 118, /* G=cyl 118 thru 814 */ - 0, 0, -}, rp05_sizes[8] = { - 15884, 0, /* A=cyl 0 thru 37 */ - 33440, 38, /* B=cyl 38 thru 117 */ - 171798, 0, /* C=cyl 0 thru 410 */ - 15884, 118, /* D=cyl 118 thru 155 */ - 55936, 156, /* E=cyl 156 thru 289 */ - 50512, 290, /* F=cyl 290 thru 410 */ - 122408, 118, /* G=cyl 118 thru 410 */ - 0, 0, -}, rm03_sizes[8] = { - 15884, 0, /* A=cyl 0 thru 99 */ - 33440, 100, /* B=cyl 100 thru 308 */ - 131680, 0, /* C=cyl 0 thru 822 */ - 15884, 309, /* D=cyl 309 thru 408 */ - 55936, 409, /* E=cyl 409 thru 758 */ - 10144, 759, /* F=cyl 759 thru 822 */ - 82144, 309, /* G=cyl 309 thru 822 */ - 0, 0, -}, rm05_sizes[8] = { - 15884, 0, /* A=cyl 0 thru 26 */ - 33440, 27, /* B=cyl 27 thru 81 */ - 500384, 0, /* C=cyl 0 thru 822 */ - 15884, 562, /* D=cyl 562 thru 588 */ - 55936, 589, /* E=cyl 589 thru 680 */ - 86240, 681, /* F=cyl 681 thru 822 */ - 158592, 562, /* G=cyl 562 thru 822 */ - 291346, 82, /* H=cyl 82 thru 561 */ -}, rm80_sizes[8] = { - 15884, 0, /* A=cyl 0 thru 36 */ - 33440, 37, /* B=cyl 37 thru 114 */ - 242606, 0, /* C=cyl 0 thru 558 */ - 15884, 115, /* D=cyl 115 thru 151 */ - 55936, 152, /* E=cyl 152 thru 280 */ - 120559, 281, /* F=cyl 281 thru 558 */ - 192603, 115, /* G=cyl 115 thru 558 */ - 0, 0, -}, rp07_sizes[8] = { - 15884, 0, /* A=cyl 0 thru 9 */ - 66880, 10, /* B=cyl 10 thru 51 */ - 1008000, 0, /* C=cyl 0 thru 629 */ - 15884, 235, /* D=cyl 235 thru 244 */ - 307200, 245, /* E=cyl 245 thru 436 */ - 308650, 437, /* F=cyl 437 thru 629 */ - 631850, 235, /* G=cyl 235 thru 629 */ - 291346, 52, /* H=cyl 52 thru 234 */ -}, cdc9775_sizes[8] = { - 15884, 0, /* A=cyl 0 thru 12 */ - 66880, 13, /* B=cyl 13 thru 65 */ - 1077760, 0, /* C=cyl 0 thru 841 */ - 15884, 294, /* D=cyl 294 thru 306 */ - 307200, 307, /* E=cyl 307 thru 546 */ - 377440, 547, /* F=cyl 547 thru 841 */ - 701280, 294, /* G=cyl 294 thru 841 */ - 291346, 66, /* H=cyl 66 thru 293 */ -}, cdc9730_sizes[8] = { - 15884, 0, /* A=cyl 0 thru 49 */ - 33440, 50, /* B=cyl 50 thru 154 */ - 263360, 0, /* C=cyl 0 thru 822 */ - 15884, 155, /* D=cyl 155 thru 204 */ - 55936, 205, /* E=cyl 205 thru 379 */ - 141664, 380, /* F=cyl 380 thru 822 */ - 213664, 155, /* G=cyl 155 thru 822 */ - 0, 0, -}, capricorn_sizes[8] = { - 15884, 0, /* A=cyl 0 thru 31 */ - 33440, 32, /* B=cyl 32 thru 97 */ - 524288, 0, /* C=cyl 0 thru 1023 */ - 15884, 668, /* D=cyl 668 thru 699 */ - 55936, 700, /* E=cyl 700 thru 809 */ - 109472, 810, /* F=cyl 810 thru 1023 */ - 182176, 668, /* G=cyl 668 thru 1023 */ - 291346, 98, /* H=cyl 98 thru 667 */ -}, eagle_sizes[8] = { - 15884, 0, /* A=cyl 0 thru 16 */ - 66880, 17, /* B=cyl 17 thru 86 */ - 808320, 0, /* C=cyl 0 thru 841 */ - 15884, 391, /* D=cyl 391 thru 407 */ - 307200, 408, /* E=cyl 408 thru 727 */ - 109296, 728, /* F=cyl 728 thru 841 */ - 432816, 391, /* G=cyl 391 thru 841 */ - 291346, 87, /* H=cyl 87 thru 390 */ -}, ampex_sizes[8] = { - 15884, 0, /* A=cyl 0 thru 26 */ - 33440, 27, /* B=cyl 27 thru 81 */ - 495520, 0, /* C=cyl 0 thru 814 */ - 15884, 562, /* D=cyl 562 thru 588 */ - 55936, 589, /* E=cyl 589 thru 680 */ - 81312, 681, /* F=cyl 681 thru 814 */ - 153664, 562, /* G=cyl 562 thru 814 */ - 291346, 82, /* H=cyl 82 thru 561 */ -}; -/* END OF STUFF WHICH SHOULD BE READ IN PER DISK */ +#define COMPAT_42 +#define B_FORMAT B_XXX /* - * Table for converting Massbus drive types into - * indices into the partition tables. Slots are - * left for those drives devined from other means + * Table of supported Massbus drive types. + * When using unlabeled packs, slot numbers here + * are used as indices into the partition tables. + * Slots are left for those drives divined from other means * (e.g. SI, AMPEX, etc.). */ short hptypes[] = { @@ -189,55 +86,18 @@ short hptypes[] = { #define HPDT_9300 13 -1, #define HPDT_RM02 14 - MBDT_RM02, /* beware, actually capricorn or eagle */ + MBDT_RM02, /* beware, actually mapped */ +#define HPDT_2361 15 + -1, 0 }; + struct mba_device *hpinfo[NHP]; -int hpattach(),hpustart(),hpstart(),hpdtint(); +int hpattach(),hpustart(),hpstart(),hpdtint(),hpstrategy(); struct mba_driver hpdriver = { hpattach, 0, hpustart, hpstart, hpdtint, 0, hptypes, "hp", 0, hpinfo }; -/* - * These variable are all measured in sectors. - * Sdist is how much to "lead" in the search for a desired sector - * (i.e. if want N, search for N-sdist.) - * Maxdist and mindist define the region right before our desired sector within - * which we don't bother searching. We don't search when we are already less - * then maxdist and more than mindist sectors "before" our desired sector. - * Maxdist should be >= sdist. - * - * Beware, sdist, mindist and maxdist are not well tuned - * for many of the drives listed in this table. - * Try patching things with something i/o intensive - * running and watch iostat. - */ -struct hpst { - short nsect; /* # sectors/track */ - short ntrak; /* # tracks/cylinder */ - short nspc; /* # sector/cylinders */ - short ncyl; /* # cylinders */ - struct size *sizes; /* partition tables */ - short sdist; /* seek distance metric */ - short maxdist; /* boundaries of non-searched area */ - short mindist; /* preceding the target sector */ -} hpst[] = { - { 32, 5, 32*5, 823, rm03_sizes, 7, 4, 1 }, /* RM03 */ - { 32, 19, 32*19, 823, rm05_sizes, 7, 4, 1 }, /* RM05 */ - { 22,19, 22*19, 815, rp06_sizes, 7, 4, 1 }, /* RP06 */ - { 31, 14, 31*14, 559, rm80_sizes, 7, 4, 1 }, /* RM80 */ - { 22, 19, 22*19, 411, rp05_sizes, 7, 4, 1 }, /* RP04 */ - { 22, 19, 22*19, 411, rp05_sizes, 7, 4, 1 }, /* RP05 */ - { 50, 32, 50*32, 630, rp07_sizes, 15, 8, 3 }, /* RP07 */ - { 1, 1, 1, 1, 0, 0, 0, 0 }, /* ML11A */ - { 1, 1, 1, 1, 0, 0, 0, 0 }, /* ML11B */ - { 32, 40, 32*40, 843, cdc9775_sizes, 7, 4, 1 }, /* 9775 */ - { 32, 10, 32*10, 823, cdc9730_sizes, 7, 4, 1 }, /* 9730 */ - { 32, 16, 32*16, 1024, capricorn_sizes,10,4, 3 }, /* Capricorn */ - { 48, 20, 48*20, 842, eagle_sizes, 15, 8, 3 }, /* EAGLE */ - { 32, 19, 32*19, 815, ampex_sizes, 7, 4, 1 }, /* 9300 */ -}; - u_char hp_offset[16] = { HPOF_P400, HPOF_M400, HPOF_P400, HPOF_M400, HPOF_P800, HPOF_M800, HPOF_P800, HPOF_M800, @@ -245,153 +105,223 @@ u_char hp_offset[16] = { 0, 0, 0, 0, }; -struct buf rhpbuf[NHP]; -struct buf bhpbuf[NHP]; +struct disklabel hplabel[NHP]; struct dkbad hpbad[NHP]; struct hpsoftc { - u_char sc_hpinit; /* drive initialized */ u_char sc_recal; /* recalibrate state */ - u_char sc_hdr; /* next i/o includes header */ u_char sc_doseeks; /* perform explicit seeks */ +#ifdef COMPAT_42 + u_char sc_hdr; /* next i/o includes header */ +#endif + int sc_state; /* open fsm */ + int sc_wlabel; /* label sector is currently writable */ + u_long sc_openpart; /* bit mask of open subunits */ + u_long sc_copenpart; /* bit mask of open character subunits */ + u_long sc_bopenpart; /* bit mask of open block subunits */ daddr_t sc_mlsize; /* ML11 size */ - int sc_pgdone; /* amount sucessfully transfered */ + int sc_blkdone; /* amount sucessfully transfered */ daddr_t sc_badbn; /* replacement block number */ + int sc_status; /* copy of drive status reg. after format */ + int sc_hpds; /* copy of hpds reg. after format */ + int sc_er1; /* copy of error reg. 1 after format */ + int sc_er2; /* copy of error reg. 2 after format */ } hpsoftc[NHP]; +/* + * Drive states. Used during steps of open/initialization. + * States < OPEN (> 0) are transient, during an open operation. + * OPENRAW is used for unlabeled disks, + * to inhibit bad-sector forwarding or allow format operations. + */ +#define CLOSED 0 /* disk is closed. */ +#define WANTOPEN 1 /* open requested, not started */ +#define WANTOPENRAW 2 /* open requested, no label */ +#define RDLABEL 3 /* reading pack label */ +#define RDBADTBL 4 /* reading bad-sector table */ +#define OPEN 5 /* initialized and ready */ +#define OPENRAW 6 /* open, no label or badsect */ + #define b_cylin b_resid /* #define ML11 0 to remove ML11 support */ -#define ML11 (hptypes[mi->mi_type] == MBDT_ML11A) -#define RP06 (hptypes[mi->mi_type] <= MBDT_RP06) -#define RM80 (hptypes[mi->mi_type] == MBDT_RM80) +#define ML11(type) ((type) == HPDT_ML11A) +#define RP06(type) (hptypes[type] <= MBDT_RP06) +#define RM80(type) ((type) == HPDT_RM80) + +#define hpunit(dev) (minor(dev) >> 3) +#define hppart(dev) (minor(dev) & 07) +#define hpminor(unit, part) (((unit) << 3) | (part)) #define MASKREG(reg) ((reg)&0xffff) +#ifdef lint +#define HPWAIT(mi, addr) (hpwait(mi)) +#else #define HPWAIT(mi, addr) (((addr)->hpds & HPDS_DRY) || hpwait(mi)) - -#ifdef INTRLVE -daddr_t dkblock(); #endif /*ARGSUSED*/ hpattach(mi, slave) - register struct mba_device *mi; + struct mba_device *mi; { + register int unit = mi->mi_unit; + extern int cold; - mi->mi_type = hpmaptype(mi); - if (!ML11 && mi->mi_dk >= 0) { - struct hpst *st = &hpst[mi->mi_type]; - - dk_mspw[mi->mi_dk] = 1.0 / 60 / (st->nsect * 256); + if (cold) { + /* + * Try to initialize device and read pack label. + */ + if (hpinit(hpminor(unit, 0), 0) == 0) { + printf(": %s", hplabel[unit].d_typename); +#ifdef notyet + addswap(makedev(HPMAJOR, hpminor(unit, 0)), + &hplabel[unit]); +#endif + } else + printf(": offline"); } } -/* - * Map apparent MASSBUS drive type into manufacturer - * specific configuration. For SI controllers this is done - * based on codes in the serial number register. For - * EMULEX controllers, the track and sector attributes are - * used when the drive type is an RM02 (not supported by DEC). - */ -hpmaptype(mi) - register struct mba_device *mi; +hpopen(dev, flags, fmt) + dev_t dev; + int flags, fmt; { - register struct hpdevice *hpaddr = (struct hpdevice *)mi->mi_drv; - register int type = mi->mi_type; + register int unit = hpunit(dev); + register struct hpsoftc *sc; + register struct disklabel *lp; + register struct partition *pp; + struct mba_device *mi; + int s, error, part = hppart(dev), mask = 1 << part; + daddr_t start, end; + + if (unit >= NHP || (mi = hpinfo[unit]) == 0 || mi->mi_alive == 0) + return (ENXIO); + sc = &hpsoftc[unit]; + lp = &hplabel[unit]; + s = spl5(); + while (sc->sc_state != OPEN && sc->sc_state != OPENRAW && + sc->sc_state != CLOSED) + sleep ((caddr_t)sc, PZERO+1); + splx(s); + if (sc->sc_state != OPEN && sc->sc_state != OPENRAW) + if (error = hpinit(dev, flags)) + return (error); + if (part >= lp->d_npartitions) + return (ENXIO); /* - * Model-byte processing for SI controllers. - * NB: Only deals with RM03 and RM05 emulations. + * Warn if a partion is opened + * that overlaps another partition which is open + * unless one is the "raw" partition (whole disk). */ - if (type == HPDT_RM03 || type == HPDT_RM05) { - int hpsn = hpaddr->hpsn; - - if ((hpsn & SIMB_LU) != mi->mi_drive) - return (type); - switch ((hpsn & SIMB_MB) & ~(SIMB_S6|SIRM03|SIRM05)) { - - case SI9775D: - printf("hp%d: 9775 (direct)\n", mi->mi_unit); - type = HPDT_9775; - break; +#define RAWPART 2 /* 'c' partition */ /* XXX */ + if ((sc->sc_openpart & mask) == 0 && part != RAWPART) { + pp = &lp->d_partitions[part]; + start = pp->p_offset; + end = pp->p_offset + pp->p_size; + for (pp = lp->d_partitions; + pp < &lp->d_partitions[lp->d_npartitions]; pp++) { + if (pp->p_offset + pp->p_size <= start || + pp->p_offset >= end) + continue; + if (pp - lp->d_partitions == RAWPART) + continue; + if (sc->sc_openpart & (1 << (pp - lp->d_partitions))) + log(LOG_WARNING, + "hp%d%c: overlaps open partition (%c)\n", + unit, part + 'a', + pp - lp->d_partitions + 'a'); + } + } + switch (fmt) { + case S_IFCHR: + sc->sc_copenpart |= mask; + break; + case S_IFBLK: + sc->sc_bopenpart |= mask; + break; + } + sc->sc_openpart |= mask; + return (0); +} - case SI9730D: - printf("hp%d: 9730 (direct)\n", mi->mi_unit); - type = HPDT_9730; - break; +/* ARGSUSED */ +hpclose(dev, flags, fmt) + dev_t dev; + int flags, fmt; +{ + register int unit = hpunit(dev); + register struct hpsoftc *sc; + struct mba_device *mi; + int s, mask = 1 << hppart(dev); - /* - * Beware, since the only SI controller we - * have has a 9300 instead of a 9766, we map the - * drive type into the 9300. This means that - * on a 9766 you lose the last 8 cylinders (argh). - */ - case SI9766: - printf("hp%d: 9300\n", mi->mi_unit); - type = HPDT_9300; - break; + sc = &hpsoftc[unit]; + mi = hpinfo[unit]; + switch (fmt) { + case S_IFCHR: + sc->sc_copenpart &= ~mask; + break; + case S_IFBLK: + sc->sc_bopenpart &= ~mask; + break; + } + sc->sc_openpart = sc->sc_copenpart | sc->sc_bopenpart; - case SI9762: - printf("hp%d: 9762\n", mi->mi_unit); - type = HPDT_RM03; - break; + /* + * Should wait for I/O to complete on this partition + * even if others are open, but wait for work on blkflush(). + */ + if (sc->sc_openpart == 0) { + s = spl5(); + while (mi->mi_tab.b_actf) + sleep((caddr_t)sc, PZERO - 1); + splx(s); + sc->sc_state = CLOSED; + sc->sc_wlabel = 0; + } + return (0); +} - case SICAPD: - printf("hp%d: capricorn\n", mi->mi_unit); - type = HPDT_CAPRICORN; - break; +hpinit(dev, flags) + dev_t dev; + int flags; +{ + register struct hpsoftc *sc; + register struct buf *bp; + register struct disklabel *lp; + struct mba_device *mi; + struct hpdevice *hpaddr; + struct dkbad *db; + char *msg, *readdisklabel(); + int unit, i, error = 0; - case SI9751D: - printf("hp%d: eagle\n", mi->mi_unit); - type = HPDT_EAGLE; - break; - } - return (type); - } + unit = hpunit(dev); + sc = &hpsoftc[unit]; + lp = &hplabel[unit]; + mi = hpinfo[unit]; + hpaddr = (struct hpdevice *)mi->mi_drv; + sc->sc_state = WANTOPEN; /* - * EMULEX SC750 or SC780. Poke the holding register. + * Use the default sizes until we've read the label, + * or longer if there isn't one there. */ - if (type == HPDT_RM02) { - int ntracks, nsectors; + if (lp->d_secpercyl == 0) { + lp->d_secsize = DEV_BSIZE; + lp->d_nsectors = 32; + lp->d_ntracks = 20; + lp->d_secpercyl = 32*20; + } - hpaddr->hpof = HPOF_FMT22; - mbclrattn(mi); - hpaddr->hpcs1 = HP_NOP; - hpaddr->hphr = HPHR_MAXTRAK; - ntracks = MASKREG(hpaddr->hphr) + 1; - if (ntracks == 16) { - printf("hp%d: capricorn\n", mi->mi_unit); - type = HPDT_CAPRICORN; - goto done; - } - if (ntracks == 19) { - printf("hp%d: 9300\n", mi->mi_unit); - type = HPDT_9300; - goto done; - } - hpaddr->hpcs1 = HP_NOP; - hpaddr->hphr = HPHR_MAXSECT; - nsectors = MASKREG(hpaddr->hphr) + 1; - if (ntracks == 20 && nsectors == 48) { - type = HPDT_EAGLE; - printf("hp%d: eagle\n", mi->mi_unit); - goto done; - } - printf("hp%d: ntracks %d, nsectors %d: unknown device\n", - mi->mi_unit, ntracks, nsectors); -done: - hpaddr->hpcs1 = HP_DCLR|HP_GO; - mbclrattn(mi); /* conservative */ - return (type); - } + if (flags & O_NDELAY) + goto raw; /* * Map all ML11's to the same type. Also calculate * transfer rates based on device characteristics. + * Set up dummy label with all that's needed. */ - if (type == HPDT_ML11A || type == HPDT_ML11B) { - register struct hpsoftc *sc = &hpsoftc[mi->mi_unit]; + if (mi->mi_type == MBDT_ML11A || mi->mi_type == MBDT_ML11B) { register int trt; sc->sc_mlsize = hpaddr->hpmr & HPMR_SZ; @@ -401,54 +331,140 @@ done: trt = (hpaddr->hpmr & HPMR_TRT) >> 8; dk_mspw[mi->mi_dk] = 1.0 / (1<<(20-trt)); } - type = HPDT_ML11A; + mi->mi_type = MBDT_ML11A; + lp->d_partitions[0].p_size = sc->sc_mlsize; + lp->d_secpercyl = sc->sc_mlsize; + goto raw; } - return (type); -} -hpopen(dev) - dev_t dev; -{ - register int unit = minor(dev) >> 3; - register struct mba_device *mi; + /* + * Preset, pack acknowledge will be done in hpstart + * during first read operation. + */ + if (msg = readdisklabel(dev, hpstrategy, lp)) { + if (cold) + printf(": %s", msg); + else + log(LOG_ERR, "hp%d: %s\n", unit, msg); +#ifdef COMPAT_42 + if ((mi->mi_type = hpmaptype(mi, lp)) == 0) +#endif + goto raw; + } - if (unit >= NHP || (mi = hpinfo[unit]) == 0 || mi->mi_alive == 0) - return (ENXIO); - return (0); + /* + * Seconds per word = (60 / rpm) / (nsectors * secsize/2) + */ + if (mi->mi_dk >= 0 && lp->d_rpm) + dk_mspw[mi->mi_dk] = 120.0 / + (lp->d_rpm * lp->d_nsectors * lp->d_secsize); + /* + * Read bad sector table into memory. + */ + bp = geteblk(DEV_BSIZE); /* max sector size */ + bp->b_dev = dev; + sc->sc_state = RDBADTBL; + i = 0; + do { + u.u_error = 0; /* XXX */ + bp->b_flags = B_BUSY | B_READ; + bp->b_blkno = lp->d_secperunit - lp->d_nsectors + i; + bp->b_bcount = lp->d_secsize; + bp->b_cylin = lp->d_ncylinders - 1; + hpstrategy(bp); + biowait(bp); + } while ((bp->b_flags & B_ERROR) && (i += 2) < 10 && + i < lp->d_nsectors); + db = (struct dkbad *)(bp->b_un.b_addr); + if ((bp->b_flags & B_ERROR) == 0 && db->bt_mbz == 0 && + db->bt_flag == 0) { + hpbad[unit] = *db; + } else { + log(LOG_ERR, "hp%d: %s bad-sector file\n", unit, + (bp->b_flags & B_ERROR) ? "can't read" : "format error in"); + u.u_error = 0; /* XXX */ + } + sc->sc_state = OPEN; + bp->b_flags = B_INVAL | B_AGE; + brelse(bp); + wakeup((caddr_t)sc); + return (error); + +raw: + if (cold) + sc->sc_state = CLOSED; + else { + sc->sc_state = OPENRAW; + wakeup((caddr_t)sc); + } + return (error); } hpstrategy(bp) register struct buf *bp; { register struct mba_device *mi; - register struct hpst *st; + register struct disklabel *lp; + register struct hpsoftc *sc; register int unit; - long sz, bn; - int xunit = minor(bp->b_dev) & 07; + daddr_t sz, maxsz; + int xunit = hppart(bp->b_dev); int s; - sz = bp->b_bcount; - sz = (sz+511) >> 9; - unit = dkunit(bp); - if (unit >= NHP) + sz = (bp->b_bcount + DEV_BSIZE - 1) >> DEV_BSHIFT; + unit = hpunit(bp->b_dev); + if (unit >= NHP) { + bp->b_error = ENXIO; goto bad; + } mi = hpinfo[unit]; - if (mi == 0 || mi->mi_alive == 0) + sc = &hpsoftc[unit]; + lp = &hplabel[unit]; + if (mi == 0 || mi->mi_alive == 0) { + bp->b_error = ENXIO; goto bad; - st = &hpst[mi->mi_type]; - if (ML11) { - struct hpsoftc *sc = &hpsoftc[unit]; - - if (bp->b_blkno < 0 || - dkblock(bp)+sz > sc->sc_mlsize) - goto bad; - bp->b_cylin = 0; - } else { - if (bp->b_blkno < 0 || - (bn = dkblock(bp))+sz > st->sizes[xunit].nblocks) + } +#ifdef COMPAT_42 + if (sc->sc_hdr) { /* XXX */ + if (bp->b_bcount == 516) + bp->b_flags |= B_FORMAT; + sc->sc_hdr = 0; + } +#endif + if (sc->sc_state < OPEN) + goto q; + if (sc->sc_state != OPEN && (bp->b_flags & B_READ) == 0) { + bp->b_error = EROFS; + goto bad; + } + if ((sc->sc_openpart & (1 << xunit)) == 0) { + bp->b_error = ENODEV; + goto bad; + } + maxsz = lp->d_partitions[xunit].p_size; + if (bp->b_blkno + lp->d_partitions[xunit].p_offset <= LABELSECTOR && +#if LABELSECTOR != 0 + bp->b_blkno + lp->d_partitions[xunit].p_offset + sz > LABELSECTOR && +#endif + (bp->b_flags & B_READ) == 0 && sc->sc_wlabel == 0) { + bp->b_error = EROFS; + goto bad; + } + if (bp->b_blkno < 0 || bp->b_blkno + sz > maxsz) { + if (bp->b_blkno == maxsz) { + bp->b_resid = bp->b_bcount; + goto done; + } + sz = maxsz - bp->b_blkno; + if (sz <= 0) { + bp->b_error = EINVAL; goto bad; - bp->b_cylin = bn/st->nspc + st->sizes[xunit].cyloff; + } + bp->b_bcount = sz << DEV_BSHIFT; } + bp->b_cylin = (bp->b_blkno + lp->d_partitions[xunit].p_offset) / + lp->d_secpercyl; +q: s = spl5(); disksort(&mi->mi_tab, bp); if (mi->mi_tab.b_active == 0) @@ -458,7 +474,8 @@ hpstrategy(bp) bad: bp->b_flags |= B_ERROR; - iodone(bp); +done: + biodone(bp); return; } @@ -467,62 +484,83 @@ hpustart(mi) { register struct hpdevice *hpaddr = (struct hpdevice *)mi->mi_drv; register struct buf *bp = mi->mi_tab.b_actf; - register struct hpst *st; + register struct disklabel *lp; struct hpsoftc *sc = &hpsoftc[mi->mi_unit]; daddr_t bn; int sn, tn, dist; - st = &hpst[mi->mi_type]; + lp = &hplabel[mi->mi_unit]; hpaddr->hpcs1 = 0; if ((hpaddr->hpcs1&HP_DVA) == 0) return (MBU_BUSY); - if ((hpaddr->hpds & HPDS_VV) == 0 || !sc->sc_hpinit) { - struct buf *bbp = &bhpbuf[mi->mi_unit]; - sc->sc_hpinit = 1; + switch (sc->sc_recal) { + + case 1: + (void)HPWAIT(mi, hpaddr); + hpaddr->hpdc = bp->b_cylin; + hpaddr->hpcs1 = HP_SEEK|HP_GO; + sc->sc_recal++; + return (MBU_STARTED); + case 2: + break; + } + sc->sc_recal = 0; + if ((hpaddr->hpds & HPDS_VV) == 0) { + if (sc->sc_state == OPEN && lp->d_flags & D_REMOVABLE) { + if (sc->sc_openpart) + log(LOG_ERR, "hp%d: volume changed\n", + mi->mi_unit); + sc->sc_openpart = 0; + bp->b_flags |= B_ERROR; + return (MBU_NEXT); + } hpaddr->hpcs1 = HP_DCLR|HP_GO; if (mi->mi_mba->mba_drv[0].mbd_as & (1<mi_drive)) printf("DCLR attn\n"); hpaddr->hpcs1 = HP_PRESET|HP_GO; - if (!ML11) + if (!ML11(mi->mi_type)) hpaddr->hpof = HPOF_FMT22; mbclrattn(mi); - if (!ML11) { - bbp->b_flags = B_READ|B_BUSY; - bbp->b_dev = bp->b_dev; - bbp->b_bcount = 512; - bbp->b_un.b_addr = (caddr_t)&hpbad[mi->mi_unit]; - bbp->b_blkno = st->ncyl*st->nspc - st->nsect; - bbp->b_cylin = st->ncyl - 1; - mi->mi_tab.b_actf = bbp; - bbp->av_forw = bp; - bp = bbp; + if (sc->sc_state == WANTOPENRAW) { + sc->sc_state = OPENRAW; + return (MBU_NEXT); } + if (sc->sc_state == WANTOPEN) + sc->sc_state = RDLABEL; } - if (mi->mi_tab.b_active || mi->mi_hd->mh_ndrive == 1) + if (mi->mi_tab.b_active || mi->mi_hd->mh_ndrive == 1) { + if (mi->mi_tab.b_errcnt >= 16 && (bp->b_flags & B_READ)) { + hpaddr->hpof = + hp_offset[mi->mi_tab.b_errcnt & 017]|HPOF_FMT22; + hpaddr->hpcs1 = HP_OFFSET|HP_GO; + (void)HPWAIT(mi, hpaddr); + mbclrattn(mi); + } return (MBU_DODATA); - if (ML11) + } + if (ML11(mi->mi_type)) return (MBU_DODATA); if ((hpaddr->hpds & HPDS_DREADY) != HPDS_DREADY) return (MBU_DODATA); - bn = dkblock(bp); - sn = bn % st->nspc; - tn = sn / st->nsect; - sn = sn % st->nsect; + bn = bp->b_blkno; + sn = bn % lp->d_secpercyl; + tn = sn / lp->d_nsectors; + sn = sn % lp->d_nsectors; if (bp->b_cylin == MASKREG(hpaddr->hpdc)) { if (sc->sc_doseeks) return (MBU_DODATA); dist = sn - (MASKREG(hpaddr->hpla) >> 6) - 1; if (dist < 0) - dist += st->nsect; - if (dist > st->maxdist || dist < st->mindist) + dist += lp->d_nsectors; + if (dist <= lp->d_maxdist && dist >= lp->d_mindist) return (MBU_DODATA); } else hpaddr->hpdc = bp->b_cylin; if (sc->sc_doseeks) hpaddr->hpcs1 = HP_SEEK|HP_GO; else { - sn = (sn + st->nsect - st->sdist) % st->nsect; + sn = (sn + lp->d_nsectors - lp->d_sdist) % lp->d_nsectors; hpaddr->hpda = (tn << 8) + sn; hpaddr->hpcs1 = HP_SEARCH|HP_GO; } @@ -534,25 +572,33 @@ hpstart(mi) { register struct hpdevice *hpaddr = (struct hpdevice *)mi->mi_drv; register struct buf *bp = mi->mi_tab.b_actf; - register struct hpst *st = &hpst[mi->mi_type]; + register struct disklabel *lp = &hplabel[mi->mi_unit]; struct hpsoftc *sc = &hpsoftc[mi->mi_unit]; daddr_t bn; - int sn, tn; + int sn, tn, cn; - if (bp->b_flags & B_BAD) - bn = sc->sc_badbn; - else - bn = dkblock(bp) + sc->sc_pgdone; - if (ML11) - hpaddr->hpda = bn; + if (ML11(mi->mi_type)) + hpaddr->hpda = bp->b_blkno + sc->sc_blkdone; else { - sn = bn%st->nspc; - tn = sn/st->nsect; - sn %= st->nsect; - hpaddr->hpdc = bp->b_cylin; + if (bp->b_flags & B_BAD) { + bn = sc->sc_badbn; + cn = bn / lp->d_secpercyl; + } else { + bn = bp->b_blkno; + cn = bp->b_cylin; + } + sn = bn % lp->d_secpercyl; + if ((bp->b_flags & B_BAD) == 0) + sn += sc->sc_blkdone; + tn = sn / lp->d_nsectors; + sn %= lp->d_nsectors; + cn += tn / lp->d_ntracks; + tn %= lp->d_ntracks; hpaddr->hpda = (tn << 8) + sn; + hpaddr->hpdc = cn; } - if (sc->sc_hdr) { + mi->mi_tab.b_bdone = dbtob(sc->sc_blkdone); + if (bp->b_flags & B_FORMAT) { if (bp->b_flags & B_READ) return (HP_RHDR|HP_GO); else @@ -567,30 +613,48 @@ hpdtint(mi, mbsr) { register struct hpdevice *hpaddr = (struct hpdevice *)mi->mi_drv; register struct buf *bp = mi->mi_tab.b_actf; - register struct hpst *st; register int er1, er2; struct hpsoftc *sc = &hpsoftc[mi->mi_unit]; - int retry = 0, i; - - st = &hpst[mi->mi_type]; + int retry = 0; + int npf, bcr; + + bcr = MASKREG(-mi->mi_mba->mba_bcr); + if (bp->b_flags & B_FORMAT) { + sc->sc_status = mbsr; + sc->sc_hpds = hpaddr->hpds; + sc->sc_er1 = hpaddr->hper1; + sc->sc_er2 = hpaddr->hper2; + } if (hpaddr->hpds&HPDS_ERR || mbsr&MBSR_EBITS) { er1 = hpaddr->hper1; er2 = hpaddr->hper2; + if (bp->b_flags & B_BAD) + npf = bp->b_error; + else { + npf = btodb(bp->b_bcount + (DEV_BSIZE - 1) - bcr); + if (er1 & (HPER1_DCK | HPER1_ECH)) + npf--; + } if (HPWAIT(mi, hpaddr) == 0) goto hard; #ifdef HPDEBUG if (hpdebug) { int dc = hpaddr->hpdc, da = hpaddr->hpda; + daddr_t bn; - printf("hperr: bp %x cyl %d blk %d pgdone %d as %o ", - bp, bp->b_cylin, bp->b_blkno, sc->sc_pgdone, - hpaddr->hpas&0xff); - printf("dc %x da %x\n",MASKREG(dc), MASKREG(da)); - printf("errcnt %d ", mi->mi_tab.b_errcnt); - printf("mbsr=%b ", mbsr, mbsr_bits); - printf("er1=%b er2=%b\n", MASKREG(er1), HPER1_BITS, - MASKREG(er2), HPER2_BITS); - DELAY(1000000); + if (bp->b_flags & B_BAD) + bn = sc->sc_badbn; + else + bn = bp->b_blkno + npf; + log(LOG_DEBUG, + "hperr: bp %x cyl %d blk %d blkdone %d as %o dc %x da %x\n", + bp, bp->b_cylin, bn, sc->sc_blkdone, + hpaddr->hpas&0xff, MASKREG(dc), MASKREG(da)); + log(LOG_DEBUG, + "errcnt %d mbsr=%b er1=%b er2=%b bcr -%d\n", + mi->mi_tab.b_errcnt, mbsr, mbsr_bits, + MASKREG(er1), HPER1_BITS, + MASKREG(er2), HPER2_BITS, bcr); } #endif if (er1 & HPER1_HCRC) { @@ -598,123 +662,105 @@ hpdtint(mi, mbsr) er2 &= ~HPER2_BSE; } if (er1 & HPER1_WLE) { - log(KERN_RECOV, "hp%d: write locked\n", dkunit(bp)); + log(LOG_WARNING, "hp%d: write locked\n", + hpunit(bp->b_dev)); bp->b_flags |= B_ERROR; - } else if (sc->sc_hdr) { - goto hard; - } else if (RM80 && er2&HPER2_SSE) { + } else if (bp->b_flags & B_FORMAT) { + bp->b_flags |= B_ERROR; + } else if (RM80(mi->mi_type) && er2&HPER2_SSE) { (void) hpecc(mi, SSE); return (MBD_RESTARTED); - } else if ((er2 & HPER2_BSE) && !ML11) { + } else if ((er2 & HPER2_BSE) && !ML11(mi->mi_type)) { if (hpecc(mi, BSE)) return (MBD_RESTARTED); goto hard; - } else if (MASKREG(er1) == HPER1_FER && RP06) { + } else if (MASKREG(er1) == HPER1_FER && RP06(mi->mi_type)) { if (hpecc(mi, BSE)) return (MBD_RESTARTED); goto hard; } else if ((er1 & (HPER1_DCK | HPER1_ECH)) == HPER1_DCK && - mi->mi_tab.b_errcnt > 7) { + mi->mi_tab.b_errcnt >= 3) { if (hpecc(mi, ECC)) return (MBD_RESTARTED); - /* else done */ - } else if (++mi->mi_tab.b_errcnt > 27 || - (ML11 && mi->mi_tab.b_errcnt > 15) || - mbsr & MBSR_HARD || - er1 & HPER1_HARD || - (!ML11 && (er2 & HPER2_HARD))) { + /* + * ECC corrected. Only log retries below + * if we got errors other than soft ECC + * (as indicated by additional retries). + */ + if (mi->mi_tab.b_errcnt == 3) + mi->mi_tab.b_errcnt = 0; + } else if ((er1 & HPER1_HCRC) && !ML11(mi->mi_type) && + hpecc(mi, BSE)) { /* * HCRC means the header is screwed up and the sector * might well exist in the bad sector table, * better check.... */ - if ((er1 & HPER1_HCRC) && !ML11 && hpecc(mi, BSE)) - return (MBD_RESTARTED); + return (MBD_RESTARTED); + } else if (++mi->mi_tab.b_errcnt > 27 || + (ML11(mi->mi_type) && mi->mi_tab.b_errcnt > 15) || + mbsr & MBSR_HARD || + er1 & HPER1_HARD || + (!ML11(mi->mi_type) && (er2 & HPER2_HARD))) { hard: + diskerr(bp, "hp", "hard error", LOG_PRINTF, npf, + &hplabel[mi->mi_unit]); if (bp->b_flags & B_BAD) - bp->b_blkno = sc->sc_badbn; - else { - bp->b_blkno = dkblock(bp) + btop(bp->b_bcount - - MASKREG(-mi->mi_mba->mba_bcr)); - if (er1 & (HPER1_DCK | HPER1_ECH)) - bp->b_blkno--; - } - harderr(bp, "hp"); + printf(" (on replacement sector %d)", + sc->sc_badbn); if (mbsr & (MBSR_EBITS &~ (MBSR_DTABT|MBSR_MBEXC))) - printf("mbsr=%b ", mbsr, mbsr_bits); - printf("er1=%b er2=%b", + printf(" mbsr=%b", mbsr, mbsr_bits); + printf(" er1=%b er2=%b\n", MASKREG(hpaddr->hper1), HPER1_BITS, MASKREG(hpaddr->hper2), HPER2_BITS); - if (hpaddr->hpmr) - printf(" mr=%o", MASKREG(hpaddr->hpmr)); - if (hpaddr->hpmr2) - printf(" mr2=%o", MASKREG(hpaddr->hpmr2)); - if (sc->sc_hdr) - printf(" (hdr i/o)"); - printf("\n"); bp->b_flags |= B_ERROR; bp->b_flags &= ~B_BAD; } else retry = 1; hpaddr->hpcs1 = HP_DCLR|HP_GO; - if ((mi->mi_tab.b_errcnt & 07) == 4) { + if (retry && (mi->mi_tab.b_errcnt & 07) == 4) { hpaddr->hpcs1 = HP_RECAL|HP_GO; sc->sc_recal = 1; - return (MBD_RESTARTED); + return (MBD_REPOSITION); } } #ifdef HPDEBUG else if (hpdebug && sc->sc_recal) { - printf("recal %d ", sc->sc_recal); - printf("errcnt %d\n", mi->mi_tab.b_errcnt); - printf("mbsr=%b ", mbsr, mbsr_bits); - printf("er1=%b er2=%b\n", + log(LOG_DEBUG, + "recal %d errcnt %d mbsr=%b er1=%b er2=%b\n", + sc->sc_recal, mi->mi_tab.b_errcnt, mbsr, mbsr_bits, hpaddr->hper1, HPER1_BITS, hpaddr->hper2, HPER2_BITS); } #endif - HPWAIT(mi, hpaddr); - switch (sc->sc_recal) { - - case 1: - hpaddr->hpdc = bp->b_cylin; - hpaddr->hpcs1 = HP_SEEK|HP_GO; - sc->sc_recal++; - return (MBD_RESTARTED); - case 2: - retry = 1; - break; - } - sc->sc_recal = 0; - if (retry) { - if (mi->mi_tab.b_errcnt >= 16 && (bp->b_flags & B_READ)) { - hpaddr->hpof = - hp_offset[mi->mi_tab.b_errcnt & 017]|HPOF_FMT22; - hpaddr->hpcs1 = HP_OFFSET|HP_GO; - HPWAIT(mi, hpaddr); - mbclrattn(mi); - } + (void)HPWAIT(mi, hpaddr); + if (retry) return (MBD_RETRY); - } if (mi->mi_tab.b_errcnt >= 16) { /* * This is fast and occurs rarely; we don't * bother with interrupts. */ hpaddr->hpcs1 = HP_RTC|HP_GO; - HPWAIT(mi, hpaddr); + (void)HPWAIT(mi, hpaddr); mbclrattn(mi); } + if (mi->mi_tab.b_errcnt && (bp->b_flags & B_ERROR) == 0) { + diskerr(bp, "hp", "retries", LOG_INFO, sc->sc_blkdone, + &hplabel[mi->mi_unit]); + addlog(": %d retries\n", mi->mi_tab.b_errcnt); + } if ((bp->b_flags & B_BAD) && hpecc(mi, CONT)) return (MBD_RESTARTED); - sc->sc_hdr = 0; - sc->sc_pgdone = 0; - bp->b_resid = MASKREG(-mi->mi_mba->mba_bcr); - if (!ML11) { + sc->sc_blkdone = 0; + bp->b_resid = bcr; + if (!ML11(mi->mi_type)) { hpaddr->hpof = HPOF_FMT22; hpaddr->hpcs1 = HP_RELEASE|HP_GO; } + if (sc->sc_openpart == 0) + wakeup((caddr_t)sc); return (MBD_DONE); } @@ -735,45 +781,130 @@ hpwait(mi) return (i); } -hpread(dev, uio) - dev_t dev; - struct uio *uio; -{ - register int unit = minor(dev) >> 3; - - if (unit >= NHP) - return (ENXIO); - return (physio(hpstrategy, &rhpbuf[unit], dev, B_READ, minphys, uio)); -} - -hpwrite(dev, uio) - dev_t dev; - struct uio *uio; -{ - register int unit = minor(dev) >> 3; - - if (unit >= NHP) - return (ENXIO); - return (physio(hpstrategy, &rhpbuf[unit], dev, B_WRITE, minphys, uio)); -} - -/*ARGSUSED*/ hpioctl(dev, cmd, data, flag) dev_t dev; int cmd; caddr_t data; int flag; { + int unit = hpunit(dev); + register struct disklabel *lp; + register struct hpsoftc *sc = &hpsoftc[unit]; + int error = 0, wlab; + int hpformat(); + + lp = &hplabel[unit]; switch (cmd) { - case DKIOCHDR: /* do header read/write */ - hpsoftc[minor(dev) >> 3].sc_hdr = 1; - return (0); + case DIOCGDINFO: + *(struct disklabel *)data = *lp; + break; + + case DIOCGPART: + ((struct partinfo *)data)->disklab = lp; + ((struct partinfo *)data)->part = + &lp->d_partitions[hppart(dev)]; + break; + + case DIOCSDINFO: + if ((flag & FWRITE) == 0) + error = EBADF; + else + error = setdisklabel(lp, (struct disklabel *)data, + (sc->sc_state == OPENRAW) ? 0 : sc->sc_openpart); + if (error == 0) + sc->sc_state = OPEN; + break; + + case DIOCWLABEL: + if ((flag & FWRITE) == 0) + error = EBADF; + else + sc->sc_wlabel = *(int *)data; + break; + + case DIOCWDINFO: + /* simulate opening partition 0 so write succeeds */ + sc->sc_openpart |= (1 << 0); /* XXX */ + wlab = sc->sc_wlabel; + sc->sc_wlabel = 1; + if ((flag & FWRITE) == 0) + error = EBADF; + else if ((error = setdisklabel(lp, (struct disklabel *)data, + (sc->sc_state == OPENRAW) ? 0 : sc->sc_openpart)) == 0) { + sc->sc_state = OPEN; + error = writedisklabel(dev, hpstrategy, lp); + } + sc->sc_openpart = sc->sc_copenpart | sc->sc_bopenpart; + sc->sc_wlabel = wlab; + break; + + case DIOCSBAD: + { + struct dkbad *db = (struct dkbad *)data; + + if ((flag & FWRITE) == 0) + error = EBADF; + else if (db->bt_mbz != 0 || db->bt_flag != 0) + error = EINVAL; + else + hpbad[unit] = *db; + break; + } + + case DIOCRFORMAT: + case DIOCWFORMAT: + { + register struct format_op *fop; + struct uio auio; + struct iovec aiov; + + if (cmd == DIOCWFORMAT && (flag & FWRITE) == 0) { + error = EBADF; + break; + } + fop = (struct format_op *)data; + aiov.iov_base = fop->df_buf; + aiov.iov_len = fop->df_count; + auio.uio_iov = &aiov; + auio.uio_iovcnt = 1; + auio.uio_resid = fop->df_count; + auio.uio_segflg = UIO_USERSPACE; + auio.uio_offset = fop->df_startblk * lp->d_secsize; + /* + * Don't return errors, as the format op won't get copied + * out if we return nonzero. Callers must check the returned + * count. + */ + (void) physio(hpformat, (struct buf *)NULL, dev, + (cmd == DIOCWFORMAT ? B_WRITE : B_READ), minphys, &auio); + fop->df_count -= auio.uio_resid; + fop->df_reg[0] = sc->sc_status; + fop->df_reg[1] = sc->sc_hpds; + fop->df_reg[2] = sc->sc_er1; + fop->df_reg[3] = sc->sc_er2; + break; + } + +#ifdef COMPAT_42 + case DKIOCHDR: /* do header read/write */ /* XXX */ + sc->sc_hdr = 1; + break; +#endif default: - return (ENXIO); + error = ENOTTY; + break; } + return (error); +} + +hpformat(bp) + struct buf *bp; +{ + bp->b_flags |= B_FORMAT; + hpstrategy(bp); } hpecc(mi, flag) @@ -783,7 +914,7 @@ hpecc(mi, flag) register struct mba_regs *mbp = mi->mi_mba; register struct hpdevice *rp = (struct hpdevice *)mi->mi_drv; register struct buf *bp = mi->mi_tab.b_actf; - register struct hpst *st = &hpst[mi->mi_type]; + register struct disklabel *lp = &hplabel[mi->mi_unit]; struct hpsoftc *sc = &hpsoftc[mi->mi_unit]; int npf, o; int bn, cn, tn, sn; @@ -792,16 +923,24 @@ hpecc(mi, flag) bcr = MASKREG(-mbp->mba_bcr); if (bp->b_flags & B_BAD) npf = bp->b_error; - else - npf = btop(bp->b_bcount - bcr); + else { + npf = bp->b_bcount - bcr; + /* + * Watch out for fractional sector at end of transfer; + * want to round up if finished, otherwise round down. + */ + if (bcr == 0) + npf += 511; + npf = btodb(npf); + } o = (int)bp->b_un.b_addr & PGOFSET; - bn = dkblock(bp); + bn = bp->b_blkno; cn = bp->b_cylin; - sn = bn%(st->nspc) + npf; - tn = sn/st->nsect; - sn %= st->nsect; - cn += tn/st->ntrak; - tn %= st->ntrak; + sn = bn % lp->d_secpercyl + npf; + tn = sn / lp->d_nsectors; + sn %= lp->d_nsectors; + cn += tn / lp->d_ntracks; + tn %= lp->d_ntracks; bn += npf; switch (flag) { case ECC: { @@ -811,17 +950,16 @@ hpecc(mi, flag) int bit, byte, mask; npf--; /* because block in error is previous block */ - bn--; + diskerr(bp, "hp", "soft ecc", LOG_WARNING, npf, lp); if (bp->b_flags & B_BAD) - bn = sc->sc_badbn; - log(KERN_RECOV, "hp%d%c: soft ecc sn%d\n", dkunit(bp), - 'a'+(minor(bp->b_dev)&07), bn); + addlog(" (on replacement sector %d)", sc->sc_badbn); + addlog("\n"); mask = MASKREG(rp->hpec2); i = MASKREG(rp->hpec1) - 1; /* -1 makes 0 origin */ bit = i&07; i = (i&~07)>>3; byte = i + o; - while (i < 512 && (int)ptob(npf)+i < bp->b_bcount && bit > -11) { + while (i < 512 && (int)dbtob(npf)+i < bp->b_bcount && bit > -11) { mpte = mbp->mba_map[npf+btop(byte)]; addr = ptob(mpte.pg_pfnum) + (byte & PGOFSET); putmemc(addr, getmemc(addr)^(mask<sc_state == OPENRAW) + return (0); if (rp->hpof & HPOF_SSEI) sn++; #ifdef HPBDEBUG if (hpbdebug) - printf("hpecc, BSE: bn %d cn %d tn %d sn %d\n", bn, cn, tn, sn); + log(LOG_DEBUG, "hpecc, BSE: bn %d cn %d tn %d sn %d\n", bn, cn, tn, sn); #endif if (bp->b_flags & B_BAD) return (0); @@ -858,29 +998,32 @@ hpecc(mi, flag) bp->b_flags |= B_BAD; bp->b_error = npf + 1; rp->hpof &= ~HPOF_SSEI; - bn = st->ncyl*st->nspc - st->nsect - 1 - bn; + bn = lp->d_ncylinders * lp->d_secpercyl - + lp->d_nsectors - 1 - bn; sc->sc_badbn = bn; fixregs: - cn = bn/st->nspc; - sn = bn%st->nspc; - tn = sn/st->nsect; - sn %= st->nsect; - mbp->mba_bcr = -512; + cn = bn / lp->d_secpercyl; + sn = bn % lp->d_secpercyl; + tn = sn / lp->d_nsectors; + sn %= lp->d_nsectors; + bcr = bp->b_bcount - (int)ptob(npf); + bcr = MIN(bcr, 512); + mbp->mba_bcr = -bcr; #ifdef HPBDEBUG if (hpbdebug) - printf("revector to cn %d tn %d sn %d\n", cn, tn, sn); + log(LOG_DEBUG, "revector to cn %d tn %d sn %d\n", cn, tn, sn); #endif break; case CONT: #ifdef HPBDEBUG if (hpbdebug) - printf("hpecc, CONT: bn %d cn %d tn %d sn %d\n", bn,cn,tn,sn); + log(LOG_DEBUG, "hpecc, CONT: bn %d cn %d tn %d sn %d\n", bn,cn,tn,sn); #endif bp->b_flags &= ~B_BAD; - mbp->mba_bcr = -(bp->b_bcount - (int)ptob(npf)); - if (MASKREG(mbp->mba_bcr) == 0) + if ((int)ptob(npf) >= bp->b_bcount) return (0); + mbp->mba_bcr = -(bp->b_bcount - (int)ptob(npf)); break; } rp->hpcs1 = HP_DCLR|HP_GO; @@ -892,7 +1035,7 @@ hpecc(mi, flag) mbp->mba_var = (int)ptob(npf) + o; rp->hpcs1 = bp->b_flags&B_READ ? HP_RCOM|HP_GO : HP_WCOM|HP_GO; mi->mi_tab.b_errcnt = 0; /* error has been corrected */ - sc->sc_pgdone = npf; + sc->sc_blkdone = npf; return (1); } @@ -906,17 +1049,18 @@ hpdump(dev) struct hpdevice *hpaddr; char *start; int num, unit; - register struct hpst *st; + register struct disklabel *lp; num = maxfree; start = 0; - unit = minor(dev) >> 3; + unit = hpunit(dev); if (unit >= NHP) return (ENXIO); #define phys(a,b) ((b)((int)(a)&0x7fffffff)) mi = phys(hpinfo[unit],struct mba_device *); if (mi == 0 || mi->mi_alive == 0) return (ENXIO); + lp = &hplabel[unit]; mba = phys(mi->mi_hd, struct mba_hd *)->mh_physmba; mba->mba_cr = MBCR_INIT; hpaddr = (struct hpdevice *)&mba->mba_drv[mi->mi_drive]; @@ -925,11 +1069,10 @@ hpdump(dev) hpaddr->hpcs1 = HP_PRESET|HP_GO; hpaddr->hpof = HPOF_FMT22; } - st = &hpst[mi->mi_type]; if (dumplo < 0) return (EINVAL); - if (dumplo + num >= st->sizes[minor(dev)&07].nblocks) - num = st->sizes[minor(dev)&07].nblocks - dumplo; + if (dumplo + num >= lp->d_partitions[hppart(dev)].p_size) + num = lp->d_partitions[hppart(dev)].p_size - dumplo; while (num > 0) { register struct pte *hpte = mba->mba_map; register int i; @@ -937,11 +1080,12 @@ hpdump(dev) daddr_t bn; blk = num > DBSIZE ? DBSIZE : num; - bn = dumplo + btop(start); - cn = bn/st->nspc + st->sizes[minor(dev)&07].cyloff; - sn = bn%st->nspc; - tn = sn/st->nsect; - sn = sn%st->nsect; + bn = dumplo + btodb(start); + cn = (bn + lp->d_partitions[hppart(dev)].p_offset) / + lp->d_secpercyl; + sn = bn % lp->d_secpercyl; + tn = sn / lp->d_nsectors; + sn = sn % lp->d_nsectors; hpaddr->hpdc = cn; hpaddr->hpda = (tn << 8) + sn; for (i = 0; i < blk; i++) @@ -963,13 +1107,289 @@ hpdump(dev) hpsize(dev) dev_t dev; { - int unit = minor(dev) >> 3; + register int unit = hpunit(dev); struct mba_device *mi; - struct hpst *st; - if (unit >= NHP || (mi = hpinfo[unit]) == 0 || mi->mi_alive == 0) + if (unit >= NHP || (mi = hpinfo[unit]) == 0 || mi->mi_alive == 0 || + hpsoftc[unit].sc_state != OPEN) return (-1); - st = &hpst[mi->mi_type]; - return ((int)st->sizes[minor(dev) & 07].nblocks); + return ((int)hplabel[unit].d_partitions[hppart(dev)].p_size); +} + +#ifdef COMPAT_42 +/* + * Compatibility code to fake up pack label + * for unlabeled disks. + */ +struct size { + daddr_t nblocks; + int cyloff; +} rp06_sizes[8] = { + 15884, 0, /* A=cyl 0 thru 37 */ + 33440, 38, /* B=cyl 38 thru 117 */ + 340670, 0, /* C=cyl 0 thru 814 */ + 15884, 118, /* D=cyl 118 thru 155 */ + 55936, 156, /* E=cyl 156 thru 289 */ + 219384, 290, /* F=cyl 290 thru 814 */ + 291192, 118, /* G=cyl 118 thru 814 */ + 0, 0, +}, rp05_sizes[8] = { + 15884, 0, /* A=cyl 0 thru 37 */ + 33440, 38, /* B=cyl 38 thru 117 */ + 171798, 0, /* C=cyl 0 thru 410 */ + 15884, 118, /* D=cyl 118 thru 155 */ + 55936, 156, /* E=cyl 156 thru 289 */ + 50512, 290, /* F=cyl 290 thru 410 */ + 122408, 118, /* G=cyl 118 thru 410 */ + 0, 0, +}, rm03_sizes[8] = { + 15884, 0, /* A=cyl 0 thru 99 */ + 33440, 100, /* B=cyl 100 thru 308 */ + 131680, 0, /* C=cyl 0 thru 822 */ + 15884, 309, /* D=cyl 309 thru 408 */ + 55936, 409, /* E=cyl 409 thru 758 */ + 10144, 759, /* F=cyl 759 thru 822 */ + 82144, 309, /* G=cyl 309 thru 822 */ + 0, 0, +}, rm05_sizes[8] = { + 15884, 0, /* A=cyl 0 thru 26 */ + 33440, 27, /* B=cyl 27 thru 81 */ + 500384, 0, /* C=cyl 0 thru 822 */ + 15884, 562, /* D=cyl 562 thru 588 */ + 55936, 589, /* E=cyl 589 thru 680 */ + 86240, 681, /* F=cyl 681 thru 822 */ + 158592, 562, /* G=cyl 562 thru 822 */ + 291346, 82, /* H=cyl 82 thru 561 */ +}, rm80_sizes[8] = { + 15884, 0, /* A=cyl 0 thru 36 */ + 33440, 37, /* B=cyl 37 thru 114 */ + 242606, 0, /* C=cyl 0 thru 558 */ + 15884, 115, /* D=cyl 115 thru 151 */ + 55936, 152, /* E=cyl 152 thru 280 */ + 120559, 281, /* F=cyl 281 thru 558 */ + 192603, 115, /* G=cyl 115 thru 558 */ + 0, 0, +}, rp07_sizes[8] = { + 15884, 0, /* A=cyl 0 thru 9 */ + 66880, 10, /* B=cyl 10 thru 51 */ + 1008000, 0, /* C=cyl 0 thru 629 */ + 15884, 235, /* D=cyl 235 thru 244 */ + 307200, 245, /* E=cyl 245 thru 436 */ + 308650, 437, /* F=cyl 437 thru 629 */ + 631850, 235, /* G=cyl 235 thru 629 */ + 291346, 52, /* H=cyl 52 thru 234 */ +}, cdc9775_sizes[8] = { + 15884, 0, /* A=cyl 0 thru 12 */ + 66880, 13, /* B=cyl 13 thru 65 */ + 1077760, 0, /* C=cyl 0 thru 841 */ + 15884, 294, /* D=cyl 294 thru 306 */ + 307200, 307, /* E=cyl 307 thru 546 */ + 377440, 547, /* F=cyl 547 thru 841 */ + 701280, 294, /* G=cyl 294 thru 841 */ + 291346, 66, /* H=cyl 66 thru 293 */ +}, cdc9730_sizes[8] = { + 15884, 0, /* A=cyl 0 thru 49 */ + 33440, 50, /* B=cyl 50 thru 154 */ + 263360, 0, /* C=cyl 0 thru 822 */ + 15884, 155, /* D=cyl 155 thru 204 */ + 55936, 205, /* E=cyl 205 thru 379 */ + 141664, 380, /* F=cyl 380 thru 822 */ + 213664, 155, /* G=cyl 155 thru 822 */ + 0, 0, +}, capricorn_sizes[8] = { + 15884, 0, /* A=cyl 0 thru 31 */ + 33440, 32, /* B=cyl 32 thru 97 */ + 524288, 0, /* C=cyl 0 thru 1023 */ + 15884, 668, /* D=cyl 668 thru 699 */ + 55936, 700, /* E=cyl 700 thru 809 */ + 109472, 810, /* F=cyl 810 thru 1023 */ + 182176, 668, /* G=cyl 668 thru 1023 */ + 291346, 98, /* H=cyl 98 thru 667 */ +}, eagle_sizes[8] = { + 15884, 0, /* A=cyl 0 thru 16 */ + 66880, 17, /* B=cyl 17 thru 86 */ + 808320, 0, /* C=cyl 0 thru 841 */ + 15884, 391, /* D=cyl 391 thru 407 */ + 307200, 408, /* E=cyl 408 thru 727 */ + 109296, 728, /* F=cyl 728 thru 841 */ + 432816, 391, /* G=cyl 391 thru 841 */ + 291346, 87, /* H=cyl 87 thru 390 */ +}, ampex_sizes[8] = { + 15884, 0, /* A=cyl 0 thru 26 */ + 33440, 27, /* B=cyl 27 thru 81 */ + 495520, 0, /* C=cyl 0 thru 814 */ + 15884, 562, /* D=cyl 562 thru 588 */ + 55936, 589, /* E=cyl 589 thru 680 */ + 81312, 681, /* F=cyl 681 thru 814 */ + 153664, 562, /* G=cyl 562 thru 814 */ + 291346, 82, /* H=cyl 82 thru 561 */ +}, fj2361_sizes[8] = { + 15884, 0, /* A=cyl 0 thru 12 */ + 66880, 13, /* B=cyl 13 thru 65 */ + 1077760, 0, /* C=cyl 0 thru 841 */ + 15884, 294, /* D=cyl 294 thru 306 */ + 307200, 307, /* E=cyl 307 thru 546 */ + 377408, 547, /* F=cyl 547 thru 841 */ + 701248, 294, /* G=cyl 294 thru 841 */ + 291346, 66, /* H=cyl 66 thru 293 */ +}; + +/* + * These variable are all measured in sectors. + * Sdist is how much to "lead" in the search for a desired sector + * (i.e. if want N, search for N-sdist.) + * Maxdist and mindist define the region right before our desired sector within + * which we don't bother searching. We don't search when we are already less + * then maxdist and more than mindist sectors "before" our desired sector. + * Maxdist should be >= sdist. + * + * Beware, sdist, mindist and maxdist are not well tuned + * for many of the drives listed in this table. + * Try patching things with something i/o intensive + * running and watch iostat. + */ +struct hpst { + short nsect; /* # sectors/track */ + short ntrak; /* # tracks/cylinder */ + short nspc; /* # sector/cylinders */ + short ncyl; /* # cylinders */ + struct size *sizes; /* partition tables */ + short sdist; /* seek distance metric */ + short maxdist; /* boundaries of non-searched area */ + short mindist; /* preceding the target sector */ + char *name; /* name of disk type */ +} hpst[] = { + { 32, 5, 32*5, 823, rm03_sizes, 7, 4, 1, "RM03" }, + { 32, 19, 32*19, 823, rm05_sizes, 7, 4, 1, "RM05" }, + { 22,19, 22*19, 815, rp06_sizes, 7, 4, 1, "RP06"}, + { 31, 14, 31*14, 559, rm80_sizes, 7, 4, 1, "RM80"}, + { 22, 19, 22*19, 411, rp05_sizes, 7, 4, 1, "RP04"}, + { 22, 19, 22*19, 411, rp05_sizes, 7, 4, 1, "RP05"}, + { 50, 32, 50*32, 630, rp07_sizes, 15, 8, 3, "RP07"}, + { 1, 1, 1, 1, 0, 0, 0, 0, "ML11A"}, + { 1, 1, 1, 1, 0, 0, 0, 0, "ML11B" }, + { 32, 40, 32*40, 843, cdc9775_sizes, 7, 4, 1, "9775" }, + { 32, 10, 32*10, 823, cdc9730_sizes, 7, 4, 1, "9730-160" }, + { 32, 16, 32*16, 1024, capricorn_sizes,10,4, 3, "capricorn" }, + { 48, 20, 48*20, 842, eagle_sizes, 15, 8, 3, "eagle" }, + { 32, 19, 32*19, 815, ampex_sizes, 7, 4, 1, "9300" }, + { 64, 20, 64*20, 842, fj2361_sizes, 15, 8, 3, "2361" }, +}; + +/* + * Map apparent MASSBUS drive type into manufacturer + * specific configuration. For SI controllers this is done + * based on codes in the serial number register. For + * EMULEX controllers, the track and sector attributes are + * used when the drive type is an RM02 (not supported by DEC). + */ +hpmaptype(mi, lp) + register struct mba_device *mi; + register struct disklabel *lp; +{ + register struct hpdevice *hpaddr = (struct hpdevice *)mi->mi_drv; + register int type = mi->mi_type; + register struct hpst *st; + register i; + + /* + * Model-byte processing for SI controllers. + * NB: Only deals with RM03 and RM05 emulations. + */ + if (type == HPDT_RM03 || type == HPDT_RM05) { + int hpsn = hpaddr->hpsn; + + if ((hpsn & SIMB_LU) == mi->mi_drive) + switch ((hpsn & SIMB_MB) & ~(SIMB_S6|SIRM03|SIRM05)) { + + case SI9775D: + type = HPDT_9775; + break; + + case SI9730D: + type = HPDT_9730; + break; + + case SI9766: + type = HPDT_RM05; + break; + + case SI9762: + type = HPDT_RM03; + break; + + case SICAPD: + type = HPDT_CAPRICORN; + break; + + case SI9751D: + type = HPDT_EAGLE; + break; + } + } + + /* + * EMULEX SC750 or SC780. Poke the holding register. + */ + if (type == HPDT_RM02) { + int nsectors, ntracks, ncyl; + + hpaddr->hpof = HPOF_FMT22; + mbclrattn(mi); + hpaddr->hpcs1 = HP_NOP; + hpaddr->hphr = HPHR_MAXTRAK; + ntracks = MASKREG(hpaddr->hphr) + 1; + DELAY(100); + hpaddr->hpcs1 = HP_NOP; + hpaddr->hphr = HPHR_MAXSECT; + nsectors = MASKREG(hpaddr->hphr) + 1; + DELAY(100); + hpaddr->hpcs1 = HP_NOP; + hpaddr->hphr = HPHR_MAXCYL; + ncyl = MASKREG(hpaddr->hphr) + 1; + for (type = 0; hptypes[type] != 0; type++) + if (hpst[type].nsect == nsectors && + hpst[type].ntrak == ntracks && + hpst[type].ncyl == ncyl) + break; + + hpaddr->hpcs1 = HP_DCLR|HP_GO; + mbclrattn(mi); /* conservative */ + if (hptypes[type] == 0) { + printf("hp%d: %d sectors, %d tracks, %d cylinders: unknown device\n", + mi->mi_unit, nsectors, ntracks, ncyl); + lp->d_nsectors = nsectors; + lp->d_ntracks = ntracks; + lp->d_ncylinders = ncyl; + lp->d_secpercyl = nsectors*ntracks; + lp->d_secperunit = lp->d_secpercyl * lp->d_ncylinders; + lp->d_npartitions = 1; + lp->d_partitions[0].p_offset = 0; + lp->d_partitions[0].p_size = lp->d_secperunit; + return (0); + } + } + + /* + * set up minimal disk label. + */ + st = &hpst[type]; + lp->d_nsectors = st->nsect; + lp->d_ntracks = st->ntrak; + lp->d_secpercyl = st->nspc; + lp->d_ncylinders = st->ncyl; + lp->d_secperunit = st->nspc * st->ncyl; + lp->d_sdist = st->sdist; + lp->d_mindist = st->mindist; + lp->d_maxdist = st->maxdist; + bcopy(hpst[type].name, lp->d_typename, sizeof(lp->d_typename)); + lp->d_npartitions = 8; + for (i = 0; i < 8; i++) { + lp->d_partitions[i].p_offset = st->sizes[i].cyloff * + lp->d_secpercyl; + lp->d_partitions[i].p_size = st->sizes[i].nblocks; + } + return (type); } +#endif COMPAT_42 #endif