-/* hp.c 4.59 82/12/17 */
+/*
+ * 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 7.11 (Berkeley) %G%
+ */
#ifdef HPDEBUG
int hpdebug;
* 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 "../h/param.h"
-#include "../h/systm.h"
-#include "../h/dk.h"
-#include "../h/buf.h"
-#include "../h/conf.h"
-#include "../h/dir.h"
-#include "../h/user.h"
-#include "../h/map.h"
+#include "param.h"
+#include "systm.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 "../h/vm.h"
-#include "../h/cmap.h"
-#include "../h/dkbad.h"
-#include "../h/ioctl.h"
-#include "../h/uio.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 "../vaxmba/mbareg.h"
-#include "../vaxmba/mbavar.h"
-#include "../vaxmba/hpreg.h"
-
-/* THIS SHOULD BE READ OFF THE PACK, PER DRIVE */
-struct size {
- daddr_t nblocks;
- int cyloff;
-} hp6_sizes[8] = {
- 15884, 0, /* A=cyl 0 thru 37 */
- 33440, 38, /* B=cyl 38 thru 117 */
- 340670, 0, /* C=cyl 0 thru 814 */
- 0, 0,
- 0, 0,
- 0, 0,
-#ifndef NOBADSECT
- 291280, 118, /* G=cyl 118 thru 814 */
-#else
- 291346, 118,
-#endif
- 0, 0,
-}, rm3_sizes[8] = {
- 15884, 0, /* A=cyl 0 thru 99 */
- 33440, 100, /* B=cyl 100 thru 309 */
- 131680, 0, /* C=cyl 0 thru 822 */
- 0, 0,
- 0, 0,
- 0, 0,
-#ifndef NOBADSECT
- 81984, 310, /* G=cyl 310 thru 822 */
-#else
- 82080, 310,
-#endif
- 0, 0,
-}, rm5_sizes[8] = {
-#ifndef CAD
- 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 */
-#ifndef NOBADSECT
- 86240, 681, /* F=cyl 681 thru 822 */
- 158592, 562, /* G=cyl 562 thru 822 */
-#else
- 86336, 681,
- 158688, 562,
-#endif
- 291346, 82, /* H=cyl 82 thru 561 */
-#else
- 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 */
-#ifndef NOBADSECT
- 81376, 681, /* F=cyl 681 thru 814 */
- 153728, 562, /* G=cyl 562 thru 814 */
-#else
- 81472, 681,
- 153824, 562,
-#endif
- 291346, 82, /* H=cyl 82 thru 561 */
-#endif
-}, rm80_sizes[8] = {
- 15884, 0, /* A=cyl 0 thru 36 */
- 33440, 37, /* B=cyl 37 thru 114 */
- 242606, 0, /* C=cyl 0 thru 558 */
- 0, 0,
- 0, 0,
- 0, 0,
- 82080, 115, /* G=cyl 115 thru 304 */
- 110143, 305, /* H=cyl 305 thru 558 */
-}, hp7_sizes[8] = {
- 15884, 0, /* A=cyl 0 thru 9 */
- 64000, 10, /* B=cyl 10 thru 49 */
- 1008000,0, /* C=cyl 0 thru 629 */
- 15884, 330, /* D=cyl 330 thru 339 */
- 256000, 340, /* E=cyl 340 thru 499 */
- 207850, 500, /* F=cyl 500 thru 629 */
- 479850, 330, /* G=cyl 330 thru 629 */
- 448000, 50, /* H=cyl 50 thru 329 */
-}, si9775_sizes[8] = {
- 16640, 0, /* A=cyl 0 thru 12 */
- 34560, 13, /* B=cyl 13 thru 39 */
- 1079040, 0, /* C=cyl 0 thru 842 - whole disk */
- 0, 0, /* D unused */
- 0, 0, /* E unused */
- 0, 0, /* F unused */
- 513280, 40, /* G=cyl 40 thru 440 */
- 513280, 441, /* H=cyl 441 thru 841 */
-}, si9730_sizes[8] = {
- 15884, 0, /* A=cyl 0 thru 49 */
- 33440, 50, /* B=cyl 50 thru 154 */
- 263360, 0, /* C=cyl 0 thru 822 */
- 0, 0,
- 0, 0,
- 0, 0,
- 0, 0,
-#ifndef NOBADSECT
- 213664, 155, /* H=cyl 155 thru 822 */
-#else
- 213760, 155,
-#endif
-}, hpam_sizes[8] = {
- 15884, 0, /* A=cyl 0 thru 31 */
- 33440, 32, /* B=cyl 32 thru 97 */
- 524288, 0, /* C=cyl 0 thru 1023 */
- 27786, 668,
- 27786, 723,
- 125440, 778,
- 181760, 668, /* G=cyl 668 thru 1022 */
- 291346, 98, /* H=cyl 98 thru 667 */
-}, hpfj_sizes[8] = {
- 15884, 0, /* A=cyl 0 thru 18 */
- 33440, 19, /* B=cyl 19 thru 58 */
- 723991, 0, /* C=cyl 0 thru 841 */
- 0, 0,
- 0, 0,
- 0, 0,
- 381711, 398, /* G=cyl 398 thru 841 */
- 291346, 59, /* H=cyl 59 thru 397 */
-};
-/* END OF STUFF WHICH SHOULD BE READ IN PER DISK */
+#include "mbareg.h"
+#include "mbavar.h"
+#include "hpreg.h"
-#define _hpSDIST 2
-#define _hpRDIST 3
-
-int hpSDIST = _hpSDIST;
-int hpRDIST = _hpRDIST;
+#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[] = {
MBDT_RP06,
#define HPDT_RM80 3
MBDT_RM80,
-#define HPDT_RP05 4
+#define HPDT_RP04 4
+ MBDT_RP04,
+#define HPDT_RP05 5
MBDT_RP05,
-#define HPDT_RP07 5
+#define HPDT_RP07 6
MBDT_RP07,
-#define HPDT_ML11A 6
+#define HPDT_ML11A 7
MBDT_ML11A,
-#define HPDT_ML11B 7
+#define HPDT_ML11B 8
MBDT_ML11B,
-#define HPDT_9775 8
+#define HPDT_9775 9
+ -1,
+#define HPDT_9730 10
-1,
-#define HPDT_9730 9
+#define HPDT_CAPRICORN 11
-1,
-#define HPDT_CAPRICORN 10
+#define HPDT_EAGLE 12
-1,
-#define HPDT_EAGLE 11
+#define HPDT_9300 13
+ -1,
+#define HPDT_RM02 14
+ MBDT_RM02, /* beware, actually mapped */
+#define HPDT_2361 15
-1,
-#define HPDT_RM02 12
- MBDT_RM02, /* beware, actually capricorn or eagle */
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 };
-struct hpst {
- short nsect;
- short ntrak;
- short nspc;
- short ncyl;
- struct size *sizes;
-} hpst[] = {
- 32, 5, 32*5, 823, rm3_sizes, /* RM03 */
- 32, 19, 32*19, 823, rm5_sizes, /* RM05 */
- 22, 19, 22*19, 815, hp6_sizes, /* RP06 */
- 31, 14, 31*14, 559, rm80_sizes, /* RM80 */
- 22, 19, 22*19, 411, hp6_sizes, /* RP05 */
- 50, 32, 50*32, 630, hp7_sizes, /* RP07 */
- 1, 1, 1, 1, 0, /* ML11A */
- 1, 1, 1, 1, 0, /* ML11B */
- 32, 40, 32*40, 843, si9775_sizes, /* 9775 */
- 32, 10, 32*10, 823, si9730_sizes, /* 9730 */
- 32, 16, 32*16, 1024, hpam_sizes, /* AMPEX capricorn */
- 43, 20, 43*20, 843, hpfj_sizes, /* Fujitsu EAGLE */
-};
-
u_char hp_offset[16] = {
HPOF_P400, HPOF_M400, HPOF_P400, HPOF_M400,
HPOF_P800, HPOF_M800, HPOF_P800, HPOF_M800,
0, 0, 0, 0,
};
-struct buf rhpbuf[NHP];
-#ifndef NOBADSECT
-struct buf bhpbuf[NHP];
+struct disklabel hplabel[NHP];
struct dkbad hpbad[NHP];
+
+struct hpsoftc {
+ u_char sc_recal; /* recalibrate state */
+ u_char sc_doseeks; /* perform explicit seeks */
+#ifdef COMPAT_42
+ u_char sc_hdr; /* next i/o includes header */
#endif
-/* SHOULD CONSOLIDATE ALL THIS STUFF INTO A STRUCTURE */
-char hpinit[NHP];
-char hprecal[NHP];
-char hphdr[NHP];
-daddr_t mlsize[NHP];
+ 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_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))
-#ifdef INTRLVE
-daddr_t dkblock();
+#define MASKREG(reg) ((reg)&0xffff)
+#ifdef lint
+#define HPWAIT(mi, addr) (hpwait(mi))
+#else
+#define HPWAIT(mi, addr) (((addr)->hpds & HPDS_DRY) || hpwait(mi))
#endif
-
-int hpseek;
/*ARGSUSED*/
hpattach(mi, slave)
struct mba_device *mi;
{
- register struct hpdevice *hpaddr = (struct hpdevice *)mi->mi_drv;
+ register int unit = mi->mi_unit;
+ extern int cold;
+
+ 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");
+ }
+}
+
+hpopen(dev, flags, fmt)
+ dev_t dev;
+ int flags, fmt;
+{
+ 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;
- switch (mi->mi_type) {
+ 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 9400 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).
*/
- case HPDT_RM03:
- case HPDT_RM05: {
- register int hpsn;
+#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);
+}
- hpsn = hpaddr->hpsn;
- if ((hpsn & SIMB_LU) != mi->mi_drive)
- break;
- switch ((hpsn & SIMB_MB) & ~(SIMB_S6|SIRM03|SIRM05)) {
+/* 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);
- case SI9775D:
- printf("hp%d: si 9775 (direct)\n", mi->mi_unit);
- mi->mi_type = HPDT_9775;
- 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 SI9730D:
- printf("hp%d: si 9730 (direct)\n", mi->mi_unit);
- mi->mi_type = HPDT_9730;
- 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);
+}
-#ifdef CAD
- /*
- * AMPEX 9300, SI Combination needs a have the drive cleared
- * before we start. We do not know why, but tests show
- * that the recalibrate fixes the problem.
- */
- case SI9766:
- printf("hp%d: 9776/9300\n", mi->mi_unit);
- mi->mi_type = HPDT_RM05;
- hpaddr->hpcs1 = HP_RECAL|HP_GO;
- DELAY(100000);
- 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 SI9762:
- printf("hp%d: 9762\n", mi->mi_unit);
- mi->mi_type = HPDT_RM03;
- break;
-#endif
- }
- break;
- }
+ unit = hpunit(dev);
+ sc = &hpsoftc[unit];
+ lp = &hplabel[unit];
+ mi = hpinfo[unit];
+ hpaddr = (struct hpdevice *)mi->mi_drv;
+ sc->sc_state = WANTOPEN;
/*
- * CAPRICORN KLUDGE...poke the holding register
- * we believe it's a Capricorn. Otherwise assume
- * its an Eagle.
+ * Use the default sizes until we've read the label,
+ * or longer if there isn't one there.
*/
- case HPDT_RM02:
- hpaddr->hpcs1 = HP_NOP;
- hpaddr->hphr = HPHR_MAXTRAK;
- if ((hpaddr->hphr&0xffff) == 15) {
- printf("hp%d: capricorn\n", mi->mi_unit);
- mi->mi_type = HPDT_CAPRICORN;
- } else {
- printf("hp%d: eagle\n", mi->mi_unit);
- mi->mi_type = HPDT_EAGLE;
- }
- hpaddr->hpcs1 = HP_DCLR|HP_GO;
- break;
+ if (lp->d_secpercyl == 0) {
+ lp->d_secsize = DEV_BSIZE;
+ lp->d_nsectors = 32;
+ lp->d_ntracks = 20;
+ lp->d_secpercyl = 32*20;
+ }
- case HPDT_ML11A:
- case HPDT_ML11B: {
- register int trt, sz;
+ if (flags & O_NDELAY)
+ goto raw;
- sz = hpaddr->hpmr & HPMR_SZ;
+ /*
+ * 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 (mi->mi_type == MBDT_ML11A || mi->mi_type == MBDT_ML11B) {
+ register int trt;
+
+ sc->sc_mlsize = hpaddr->hpmr & HPMR_SZ;
if ((hpaddr->hpmr & HPMR_ARRTYP) == 0)
- sz >>= 2;
- mlsize[mi->mi_unit] = sz;
+ sc->sc_mlsize >>= 2;
if (mi->mi_dk >= 0) {
trt = (hpaddr->hpmr & HPMR_TRT) >> 8;
dk_mspw[mi->mi_dk] = 1.0 / (1<<(20-trt));
}
- /* A CHEAT - ML11B D.T. SHOULD == ML11A */
- mi->mi_type = HPDT_ML11A;
- break;
- }
+ mi->mi_type = MBDT_ML11A;
+ lp->d_partitions[0].p_size = sc->sc_mlsize;
+ lp->d_secpercyl = sc->sc_mlsize;
+ goto raw;
}
- if (!ML11 && mi->mi_dk >= 0) {
- register struct hpst *st = &hpst[mi->mi_type];
- dk_mspw[mi->mi_dk] = 1.0 / 60 / (st->nsect * 256);
+ /*
+ * 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;
}
-}
-hpopen(dev)
- dev_t dev;
-{
- register int unit = minor(dev) >> 3;
- register struct mba_device *mi;
+ /*
+ * 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);
- if (unit >= NHP || (mi = hpinfo[unit]) == 0 || mi->mi_alive == 0)
- return (ENXIO);
- return (0);
+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) {
- if (bp->b_blkno < 0 ||
- dkblock(bp)+sz > mlsize[mi->mi_unit])
- 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)
bad:
bp->b_flags |= B_ERROR;
- iodone(bp);
+done:
+ biodone(bp);
return;
}
{
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;
+ struct hpsoftc *sc = &hpsoftc[mi->mi_unit];
daddr_t bn;
- int sn, dist;
+ int sn, tn, dist;
+ lp = &hplabel[mi->mi_unit];
hpaddr->hpcs1 = 0;
if ((hpaddr->hpcs1&HP_DVA) == 0)
return (MBU_BUSY);
- if ((hpaddr->hpds & HPDS_VV) == 0 || hpinit[mi->mi_unit] == 0) {
-#ifndef NOBADSECT
- struct buf *bbp = &bhpbuf[mi->mi_unit];
-#endif
- hpinit[mi->mi_unit] = 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->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);
-#ifndef NOBADSECT
- 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);
}
-#endif
+ 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;
- sn = (sn+st->nsect-hpSDIST)%st->nsect;
- if (bp->b_cylin == (hpaddr->hpdc & 0xffff)) {
- if (hpseek)
+ 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 = ((hpaddr->hpla & 0xffff)>>6) - st->nsect + 1;
+ dist = sn - (MASKREG(hpaddr->hpla) >> 6) - 1;
if (dist < 0)
- dist += st->nsect;
- if (dist > st->nsect - hpRDIST)
+ dist += lp->d_nsectors;
+ if (dist <= lp->d_maxdist && dist >= lp->d_mindist)
return (MBU_DODATA);
} else
hpaddr->hpdc = bp->b_cylin;
- if (hpseek)
+ if (sc->sc_doseeks)
hpaddr->hpcs1 = HP_SEEK|HP_GO;
else {
- hpaddr->hpda = sn;
+ sn = (sn + lp->d_nsectors - lp->d_sdist) % lp->d_nsectors;
+ hpaddr->hpda = (tn << 8) + sn;
hpaddr->hpcs1 = HP_SEARCH|HP_GO;
}
return (MBU_STARTED);
{
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;
- bn = dkblock(bp);
- 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 (hphdr[mi->mi_unit]) {
+ 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
register struct hpdevice *hpaddr = (struct hpdevice *)mi->mi_drv;
register struct buf *bp = mi->mi_tab.b_actf;
register int er1, er2;
+ struct hpsoftc *sc = &hpsoftc[mi->mi_unit];
int retry = 0;
+ int npf, bcr;
-#ifndef NOBADSECT
- if (bp->b_flags&B_BAD) {
- if (hpecc(mi, CONT))
- return(MBD_RESTARTED);
+ 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;
}
-#endif
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 as %o ",
- bp, bp->b_cylin, bp->b_blkno,
- hpaddr->hpas&0xff);
- printf("dc %x da %x\n",dc&0xffff, da&0xffff);
- printf("errcnt %d ", mi->mi_tab.b_errcnt);
- printf("mbsr=%b ", mbsr, mbsr_bits);
- printf("er1=%b er2=%b\n",
- hpaddr->hper1, HPER1_BITS,
- hpaddr->hper2, 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
- er1 = hpaddr->hper1;
- er2 = hpaddr->hper2;
if (er1 & HPER1_HCRC) {
er1 &= ~(HPER1_HCE|HPER1_FER);
er2 &= ~HPER2_BSE;
}
- if (er1&HPER1_WLE) {
- printf("hp%d: write locked\n", dkunit(bp));
+ if (er1 & HPER1_WLE) {
+ log(LOG_WARNING, "hp%d: write locked\n",
+ hpunit(bp->b_dev));
+ bp->b_flags |= B_ERROR;
+ } else if (bp->b_flags & B_FORMAT) {
bp->b_flags |= B_ERROR;
- } else if ((er1&0xffff) == HPER1_FER && RP06 &&
- hphdr[mi->mi_unit] == 0) {
-#ifndef NOBADSECT
+ } else if (RM80(mi->mi_type) && er2&HPER2_SSE) {
+ (void) hpecc(mi, SSE);
+ return (MBD_RESTARTED);
+ } else if ((er2 & HPER2_BSE) && !ML11(mi->mi_type)) {
if (hpecc(mi, BSE))
- return(MBD_RESTARTED);
- else
-#endif
- goto hard;
+ return (MBD_RESTARTED);
+ goto hard;
+ } 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 >= 3) {
+ if (hpecc(mi, ECC))
+ return (MBD_RESTARTED);
+ /*
+ * 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....
+ */
+ 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 ||
- hphdr[mi->mi_unit] ||
- (!ML11 && (er2 & HPER2_HARD))) {
+ (!ML11(mi->mi_type) && (er2 & HPER2_HARD))) {
hard:
- harderr(bp, "hp");
+ diskerr(bp, "hp", "hard error", LOG_PRINTF, npf,
+ &hplabel[mi->mi_unit]);
+ if (bp->b_flags & B_BAD)
+ 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",
- hpaddr->hper1, HPER1_BITS,
- hpaddr->hper2, HPER2_BITS);
- if (hpaddr->hpmr)
- printf(" mr=%o", hpaddr->hpmr&0xffff);
- if (hpaddr->hpmr2)
- printf(" mr2=%o", hpaddr->hpmr2&0xffff);
- printf("\n");
+ printf(" mbsr=%b", mbsr, mbsr_bits);
+ printf(" er1=%b er2=%b\n",
+ MASKREG(hpaddr->hper1), HPER1_BITS,
+ MASKREG(hpaddr->hper2), HPER2_BITS);
bp->b_flags |= B_ERROR;
- hprecal[mi->mi_unit] = 0;
- } else if ((er2 & HPER2_BSE) && !ML11) {
-#ifndef NOBADSECT
- if (hpecc(mi, BSE))
- return(MBD_RESTARTED);
- else
-#endif
- goto hard;
- } else if (RM80 && er2&HPER2_SSE) {
- (void) hpecc(mi, SSE);
- return (MBD_RESTARTED);
- } else if ((er1&(HPER1_DCK|HPER1_ECH))==HPER1_DCK) {
- if (hpecc(mi, ECC))
- return (MBD_RESTARTED);
- /* else done */
+ bp->b_flags &= ~B_BAD;
} else
retry = 1;
hpaddr->hpcs1 = HP_DCLR|HP_GO;
- if (ML11) {
- if (mi->mi_tab.b_errcnt >= 16)
- goto hard;
- } else if ((mi->mi_tab.b_errcnt&07) == 4) {
+ if (retry && (mi->mi_tab.b_errcnt & 07) == 4) {
hpaddr->hpcs1 = HP_RECAL|HP_GO;
- hprecal[mi->mi_unit] = 1;
- return(MBD_RESTARTED);
+ sc->sc_recal = 1;
+ return (MBD_REPOSITION);
}
- if (retry)
- return (MBD_RETRY);
}
#ifdef HPDEBUG
else
- if (hpdebug && hprecal[mi->mi_unit]) {
- printf("recal %d ", hprecal[mi->mi_unit]);
- printf("errcnt %d\n", mi->mi_tab.b_errcnt);
- printf("mbsr=%b ", mbsr, mbsr_bits);
- printf("er1=%b er2=%b\n",
+ if (hpdebug && sc->sc_recal) {
+ 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
- switch (hprecal[mi->mi_unit]) {
-
- case 1:
- hpaddr->hpdc = bp->b_cylin;
- hpaddr->hpcs1 = HP_SEEK|HP_GO;
- hprecal[mi->mi_unit]++;
- return (MBD_RESTARTED);
- case 2:
- if (mi->mi_tab.b_errcnt < 16 ||
- (bp->b_flags & B_READ) == 0)
- goto donerecal;
- hpaddr->hpof = hp_offset[mi->mi_tab.b_errcnt & 017]|HPOF_FMT22;
- hpaddr->hpcs1 = HP_OFFSET|HP_GO;
- hprecal[mi->mi_unit]++;
- return (MBD_RESTARTED);
- donerecal:
- case 3:
- hprecal[mi->mi_unit] = 0;
+ (void)HPWAIT(mi, hpaddr);
+ if (retry)
return (MBD_RETRY);
- }
- hphdr[mi->mi_unit] = 0;
- bp->b_resid = -(mi->mi_mba->mba_bcr) & 0xffff;
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;
- while (hpaddr->hpds & HPDS_PIP)
- ;
+ (void)HPWAIT(mi, hpaddr);
mbclrattn(mi);
}
- if (!ML11) {
+ 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_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);
}
-hpread(dev, uio)
- dev_t dev;
- struct uio *uio;
+/*
+ * Wait (for a bit) for a drive to come ready;
+ * returns nonzero on success.
+ */
+hpwait(mi)
+ register struct mba_device *mi;
{
- register int unit = minor(dev) >> 3;
+ register struct hpdevice *hpaddr = (struct hpdevice *)mi->mi_drv;
+ register i = 100000;
- if (unit >= NHP)
- return (ENXIO);
- return (physio(hpstrategy, &rhpbuf[unit], dev, B_READ, minphys, uio));
+ while ((hpaddr->hpds & HPDS_DRY) == 0 && --i)
+ DELAY(10);
+ if (i == 0)
+ printf("hp%d: intr, not ready\n", mi->mi_unit);
+ return (i);
}
-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 */
- hphdr[minor(dev)>>3] = 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)
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;
int bcr;
- bcr = mbp->mba_bcr & 0xffff;
- if (bcr)
- bcr |= 0xffff0000; /* sxt */
-#ifndef NOBADSECT
- if (flag == CONT)
+ bcr = MASKREG(-mbp->mba_bcr);
+ if (bp->b_flags & B_BAD)
npf = bp->b_error;
- else
-#endif
- npf = btop(bcr + bp->b_bcount);
+ 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:
- {
+ case ECC: {
register int i;
caddr_t addr;
struct pte mpte;
int bit, byte, mask;
npf--; /* because block in error is previous block */
- printf("hp%d%c: soft ecc sn%d\n", dkunit(bp),
- 'a'+(minor(bp->b_dev)&07), bp->b_blkno + npf);
- mask = rp->hpec2&0xffff;
- i = (rp->hpec1&0xffff) - 1; /* -1 makes 0 origin */
+ diskerr(bp, "hp", "soft ecc", LOG_WARNING, npf, lp);
+ if (bp->b_flags & B_BAD)
+ 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<<bit));
case SSE:
rp->hpof |= HPOF_SSEI;
+ if (bp->b_flags & B_BAD) {
+ bn = sc->sc_badbn;
+ goto fixregs;
+ }
mbp->mba_bcr = -(bp->b_bcount - (int)ptob(npf));
break;
-#ifndef NOBADSECT
case BSE:
+ if (sc->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);
if ((bn = isbad(&hpbad[mi->mi_unit], cn, tn, sn)) < 0)
- return(0);
+ return (0);
bp->b_flags |= B_BAD;
bp->b_error = npf + 1;
- bn = st->ncyl*st->nspc - st->nsect - 1 - bn;
- cn = bn/st->nspc;
- sn = bn%st->nspc;
- tn = sn/st->nsect;
- sn %= st->nsect;
- mbp->mba_bcr = -512;
+ rp->hpof &= ~HPOF_SSEI;
+ bn = lp->d_ncylinders * lp->d_secpercyl -
+ lp->d_nsectors - 1 - bn;
+ sc->sc_badbn = bn;
+ fixregs:
+ 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
- npf = bp->b_error;
bp->b_flags &= ~B_BAD;
+ if ((int)ptob(npf) >= bp->b_bcount)
+ return (0);
mbp->mba_bcr = -(bp->b_bcount - (int)ptob(npf));
- if ((mbp->mba_bcr & 0xffff) == 0)
- return(0);
break;
-#endif
}
rp->hpcs1 = HP_DCLR|HP_GO;
- if (rp->hpof&HPOF_SSEI)
+ if (rp->hpof & HPOF_SSEI)
sn++;
rp->hpdc = cn;
rp->hpda = (tn<<8) + sn;
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_blkdone = npf;
return (1);
}
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];
hpaddr->hpcs1 = HP_PRESET|HP_GO;
hpaddr->hpof = HPOF_FMT22;
}
- st = &hpst[mi->mi_type];
- if (dumplo < 0 || dumplo + num >= st->sizes[minor(dev)&07].nblocks)
+ if (dumplo < 0)
return (EINVAL);
+ 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;
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++)
mba->mba_var = 0;
hpaddr->hpcs1 = HP_WCOM | HP_GO;
while ((hpaddr->hpds & HPDS_DRY) == 0)
- ;
+ DELAY(10);
if (hpaddr->hpds&HPDS_ERR)
return (EIO);
start += blk*NBPG;
}
return (0);
}
+
+hpsize(dev)
+ dev_t dev;
+{
+ register int unit = hpunit(dev);
+ struct mba_device *mi;
+
+ if (unit >= NHP || (mi = hpinfo[unit]) == 0 || mi->mi_alive == 0 ||
+ hpsoftc[unit].sc_state != OPEN)
+ return (-1);
+ 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