-/* hp.c 4.13 81/02/25 */
+/* hp.c 4.65 83/02/10 */
+
+#ifdef HPDEBUG
+int hpdebug;
+#endif
+#ifdef HPBDEBUG
+int hpbdebug;
+#endif
#include "hp.h"
#if NHP > 0
/*
- * HP disk driver for RP0x+RM0x
+ * 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/dir.h"
#include "../h/user.h"
#include "../h/map.h"
-#include "../h/pte.h"
-#include "../h/mba.h"
-#include "../h/mtpr.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 "../h/hpreg.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;
-} hp_sizes[8] = {
+} 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,
- 291346, 118, /* G=cyl 118 thru 814 */
+ 291280, 118, /* G=cyl 118 thru 814 */
0, 0,
-}, rm_sizes[8] = {
+}, rm3_sizes[8] = {
15884, 0, /* A=cyl 0 thru 99 */
33440, 100, /* B=cyl 100 thru 309 */
131680, 0, /* C=cyl 0 thru 822 */
- 2720, 291,
0, 0,
0, 0,
- 82080, 310, /* G=cyl 310 thru 822 */
+ 0, 0,
+ 81984, 310, /* G=cyl 310 thru 822 */
0, 0,
}, rm5_sizes[8] = {
15884, 0, /* A=cyl 0 thru 26 */
33440, 27, /* B=cyl 27 thru 81 */
- 500992, 0, /* C=cyl 0 thru 823 */
+ 500384, 0, /* C=cyl 0 thru 822 */
15884, 562, /* D=cyl 562 thru 588 */
55936, 589, /* E=cyl 589 thru 680 */
- 86944, 681, /* F=cyl 681 thru 823 */
- 159296, 562, /* G=cyl 562 thru 823 */
+ 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 */
0, 0,
0, 0,
82080, 115, /* G=cyl 115 thru 304 */
- 110236, 305, /* H=cyl 305 thru 558 */
+ 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 */
+ 0, 0,
+ 0, 0,
+ 0, 0,
+ 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,
+ 213664, 155, /* H=cyl 155 thru 822 */
+}, 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 */
+ 724120, 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 */
+}, hpfj48_sizes[8] = {
+ 15884, 0, /* A=cyl 0 thru 16 */
+ 33440, 17, /* B=cyl 17 thru 52 */
+ 808176, 0, /* C=cyl 0 thru 841 */
+ 0, 0,
+ 0, 0,
+ 0, 0,
+ 465456, 357, /* G=cyl 357 thru 841 */
+ 291346, 53, /* H=cyl 52 thru 356 */
};
/* END OF STUFF WHICH SHOULD BE READ IN PER DISK */
int hpSDIST = _hpSDIST;
int hpRDIST = _hpRDIST;
-short hptypes[] =
- { MBDT_RM03, MBDT_RM05, MBDT_RP06, MBDT_RM80, 0 };
-struct mba_info *hpinfo[NHP];
-int hpdkinit(),hpustart(),hpstart(),hpdtint();
+/*
+ * Table for converting Massbus drive types into
+ * indices into the partition tables. Slots are
+ * left for those drives devined from other means
+ * (e.g. SI, AMPEX, etc.).
+ */
+short hptypes[] = {
+#define HPDT_RM03 0
+ MBDT_RM03,
+#define HPDT_RM05 1
+ MBDT_RM05,
+#define HPDT_RP06 2
+ MBDT_RP06,
+#define HPDT_RM80 3
+ MBDT_RM80,
+#define HPDT_RP05 4
+ MBDT_RP05,
+#define HPDT_RP07 5
+ MBDT_RP07,
+#define HPDT_ML11A 6
+ MBDT_ML11A,
+#define HPDT_ML11B 7
+ MBDT_ML11B,
+#define HPDT_9775 8
+ -1,
+#define HPDT_9730 9
+ -1,
+#define HPDT_CAPRICORN 10
+ -1,
+#define HPDT_EAGLE 11
+ -1,
+#define HPDT_EAGLE48 12
+ -1,
+#define HPDT_RM02 13
+ MBDT_RM02, /* beware, actually capricorn or eagle */
+ 0
+};
+struct mba_device *hpinfo[NHP];
+int hpattach(),hpustart(),hpstart(),hpdtint();
struct mba_driver hpdriver =
- { hpdkinit, hpustart, hpstart, hpdtint, 0, hptypes, hpinfo };
+ { hpattach, 0, hpustart, hpstart, hpdtint, 0,
+ hptypes, "hp", 0, hpinfo };
struct hpst {
short nsect;
short ncyl;
struct size *sizes;
} hpst[] = {
- 32, 5, 32*5, 823, rm_sizes, /* RM03 */
+ 32, 5, 32*5, 823, rm3_sizes, /* RM03 */
32, 19, 32*19, 823, rm5_sizes, /* RM05 */
- 22, 19, 22*19, 815, hp_sizes, /* RP06 */
- 31, 14, 31*14, 559, rm80_sizes /* RM80 */
+ 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, 842, hpfj_sizes, /* Fujitsu EAGLE */
+ 48, 20, 48*20, 842, hpfj48_sizes, /* 48 sector EAGLE */
};
u_char hp_offset[16] = {
- HP_P400, HP_M400, HP_P400, HP_M400, HP_P800, HP_M800, HP_P800, HP_M800,
- HP_P1200, HP_M1200, HP_P1200, HP_M1200, 0, 0, 0, 0,
+ HPOF_P400, HPOF_M400, HPOF_P400, HPOF_M400,
+ HPOF_P800, HPOF_M800, HPOF_P800, HPOF_M800,
+ HPOF_P1200, HPOF_M1200, HPOF_P1200, HPOF_M1200,
+ 0, 0, 0, 0,
};
struct buf rhpbuf[NHP];
+struct buf bhpbuf[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 */
+ daddr_t sc_mlsize; /* ML11 size */
+} hpsoftc[NHP];
#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)
+
#ifdef INTRLVE
daddr_t dkblock();
#endif
-
-int hpseek;
-hpdkinit(mi)
- struct mba_info *mi;
+/*ARGSUSED*/
+hpattach(mi, slave)
+ register struct mba_device *mi;
{
- register struct hpst *st = &hpst[mi->mi_type];
- if (mi->mi_dk >= 0)
- dk_mspw[mi->mi_dk] = 1.0 / HZ / (st->nsect * 256);
+ 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);
+ }
+}
+
+/*
+ * 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;
+{
+ register struct hpdevice *hpaddr = (struct hpdevice *)mi->mi_drv;
+ register int type = mi->mi_type;
+
+ /*
+ * Model-byte processing for SI 9400 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)
+ return (type);
+ switch ((hpsn & SIMB_MB) & ~(SIMB_S6|SIRM03|SIRM05)) {
+
+ case SI9775D:
+ printf("hp%d: si 9775 (direct)\n", mi->mi_unit);
+ type = HPDT_9775;
+ break;
+
+ case SI9730D:
+ printf("hp%d: si 9730 (direct)\n", mi->mi_unit);
+ type = HPDT_9730;
+ break;
+
+ /*
+ * 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);
+ type = HPDT_RM05;
+ hpaddr->hpcs1 = HP_RECAL|HP_GO;
+ DELAY(100000);
+ break;
+
+ case SI9762:
+ printf("hp%d: 9762\n", mi->mi_unit);
+ type = HPDT_RM03;
+ break;
+ }
+ return (type);
+ }
+
+ /*
+ * EMULEX SC750 or SC780. Poke the holding register.
+ */
+ if (type == HPDT_RM02) {
+ int ntracks, nsectors;
+
+ hpaddr->hpcs1 = HP_NOP;
+ hpaddr->hphr = HPHR_MAXTRAK;
+ ntracks = (hpaddr->hphr & 0xffff) + 1;
+ if (ntracks == 16) {
+ printf("hp%d: capricorn\n", mi->mi_unit);
+ type = HPDT_CAPRICORN;
+ goto done;
+ }
+ if (ntracks != 20) {
+ printf("hp%d: ntracks %d: unknown device\n", ntracks);
+ goto done;
+ }
+ hpaddr->hpcs1 = HP_NOP;
+ hpaddr->hphr = HPHR_MAXSECT;
+ nsectors = (hpaddr->hphr & 0xffff) + 1;
+ printf("hp%d: ", mi->mi_unit);
+ if (nsectors == 43)
+ type = HPDT_EAGLE;
+ else {
+ type = HPDT_EAGLE48;
+ printf("modified ");
+ }
+ printf("eagle\n");
+done:
+ hpaddr->hpcs1 = HP_DCLR|HP_GO;
+ return (type);
+ }
+
+ /*
+ * Map all ML11's to the same type. Also calculate
+ * transfer rates based on device characteristics.
+ */
+ if (type == HPDT_ML11A || type == HPDT_ML11B) {
+ register struct hpsoftc *sc = &hpsoftc[mi->mi_unit];
+ register int trt;
+
+ sc->sc_mlsize = hpaddr->hpmr & HPMR_SZ;
+ if ((hpaddr->hpmr & HPMR_ARRTYP) == 0)
+ 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));
+ }
+ type = HPDT_ML11A;
+ }
+ return (type);
+}
+
+hpopen(dev)
+ dev_t dev;
+{
+ register int unit = minor(dev) >> 3;
+ register struct mba_device *mi;
+
+ if (unit >= NHP || (mi = hpinfo[unit]) == 0 || mi->mi_alive == 0)
+ return (ENXIO);
+ return (0);
}
hpstrategy(bp)
register struct buf *bp;
{
- register struct mba_info *mi;
+ register struct mba_device *mi;
register struct hpst *st;
register int unit;
long sz, bn;
int xunit = minor(bp->b_dev) & 07;
+ int s;
sz = bp->b_bcount;
sz = (sz+511) >> 9;
if (mi == 0 || mi->mi_alive == 0)
goto bad;
st = &hpst[mi->mi_type];
- if (bp->b_blkno < 0 ||
- (bn = dkblock(bp))+sz > st->sizes[xunit].nblocks)
- goto bad;
- bp->b_cylin = bn/st->nspc + st->sizes[xunit].cyloff;
- (void) spl5();
+ 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)
+ goto bad;
+ bp->b_cylin = bn/st->nspc + st->sizes[xunit].cyloff;
+ }
+ s = spl5();
disksort(&mi->mi_tab, bp);
if (mi->mi_tab.b_active == 0)
mbustart(mi);
- (void) spl0();
+ splx(s);
return;
bad:
}
hpustart(mi)
- register struct mba_info *mi;
+ register struct mba_device *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 hpst *st = &hpst[mi->mi_type];
+ struct hpsoftc *sc = &hpsoftc[mi->mi_unit];
daddr_t bn;
- int sn, dist, flags;
+ int sn, dist;
+ hpaddr->hpcs1 = 0;
if ((hpaddr->hpcs1&HP_DVA) == 0)
return (MBU_BUSY);
- if ((hpaddr->hpds & HP_VV) == 0) {
+ if ((hpaddr->hpds & HPDS_VV) == 0 || !sc->sc_hpinit) {
+ struct buf *bbp = &bhpbuf[mi->mi_unit];
+
+ sc->sc_hpinit = 1;
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;
- hpaddr->hpof = HP_FMT22;
+ if (!ML11)
+ 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 (mi->mi_tab.b_active || mi->mi_hd->mh_ndrive == 1)
return (MBU_DODATA);
- if ((hpaddr->hpds & (HP_DPR|HP_MOL)) != (HP_DPR|HP_MOL))
+ if (ML11)
+ return (MBU_DODATA);
+ if ((hpaddr->hpds & HPDS_DREADY) != HPDS_DREADY)
return (MBU_DODATA);
- st = &hpst[mi->mi_type];
bn = dkblock(bp);
sn = bn%st->nspc;
sn = (sn+st->nsect-hpSDIST)%st->nsect;
if (bp->b_cylin == (hpaddr->hpdc & 0xffff)) {
- if (hpseek)
+ if (sc->sc_seek)
return (MBU_DODATA);
dist = ((hpaddr->hpla & 0xffff)>>6) - st->nsect + 1;
if (dist < 0)
return (MBU_DODATA);
} else
hpaddr->hpdc = bp->b_cylin;
- if (hpseek)
+ if (sc->sc_seek)
hpaddr->hpcs1 = HP_SEEK|HP_GO;
else {
hpaddr->hpda = sn;
}
hpstart(mi)
- register struct mba_info *mi;
+ register struct mba_device *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];
+ struct hpsoftc *sc = &hpsoftc[mi->mi_unit];
daddr_t bn;
int sn, tn;
bn = dkblock(bp);
- sn = bn%st->nspc;
- tn = sn/st->nsect;
- sn %= st->nsect;
- if (mi->mi_tab.b_errcnt >= 16 && (bp->b_flags&B_READ) != 0) {
- hpaddr->hpof = hp_offset[mi->mi_tab.b_errcnt & 017] | HP_FMT22;
- hpaddr->hpcs1 = HP_OFFSET|HP_GO;
- while (hpaddr->hpds & HP_PIP)
- ;
- mbclrattn(mi);
+ if (ML11)
+ hpaddr->hpda = bn;
+ else {
+ sn = bn%st->nspc;
+ tn = sn/st->nsect;
+ sn %= st->nsect;
+ hpaddr->hpdc = bp->b_cylin;
+ hpaddr->hpda = (tn << 8) + sn;
}
- hpaddr->hpdc = bp->b_cylin;
- hpaddr->hpda = (tn << 8) + sn;
+ if (sc->sc_hdr) {
+ if (bp->b_flags & B_READ)
+ return (HP_RHDR|HP_GO);
+ else
+ return (HP_WHDR|HP_GO);
+ }
+ return (0);
}
-hpdtint(mi, mbastat)
- register struct mba_info *mi;
- int mbastat;
+hpdtint(mi, mbsr)
+ register struct mba_device *mi;
+ int mbsr;
{
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 int er1, er2;
+ struct hpsoftc *sc = &hpsoftc[mi->mi_unit];
+ int retry = 0;
- while ((hpaddr->hpds & HP_DRY) == 0) /* shouldn't happen */
- printf("hp dry not set\n");
- if (hpaddr->hpds & HP_ERR || mbastat & MBAEBITS)
- if (++mi->mi_tab.b_errcnt < 28 && (hpaddr->hper1&HP_WLE) == 0) {
- if ((hpaddr->hper1&0xffff) != HP_DCK) {
- hpaddr->hpcs1 = HP_DCLR|HP_GO;
- if ((mi->mi_tab.b_errcnt&07) == 4) {
- hpaddr->hpcs1 = HP_RECAL|HP_GO;
- while (hpaddr->hpds & HP_PIP)
- ;
- mbclrattn(mi);
- }
- return (MBD_RETRY);
- } else if (hpecc(mi))
- return (MBD_RESTARTED);
- } else {
- if (hpaddr->hper1&HP_WLE)
- printf("hp%d is write locked\n", dkunit(bp));
+ if (bp->b_flags&B_BAD) {
+ if (hpecc(mi, CONT))
+ return(MBD_RESTARTED);
+ }
+ if (hpaddr->hpds&HPDS_ERR || mbsr&MBSR_EBITS) {
+#ifdef HPDEBUG
+ if (hpdebug) {
+ int dc = hpaddr->hpdc, da = hpaddr->hpda;
+
+ 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);
+ }
+#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));
+ bp->b_flags |= B_ERROR;
+ } else if ((er1&0xffff) == HPER1_FER && RP06 && !sc->sc_hdr) {
+ if (hpecc(mi, BSE))
+ return(MBD_RESTARTED);
else
- deverror(bp, mbastat, hpaddr->hper1);
+ goto hard;
+ } else if (++mi->mi_tab.b_errcnt > 27 ||
+ mbsr & MBSR_HARD ||
+ er1 & HPER1_HARD ||
+ sc->sc_hdr ||
+ (!ML11 && (er2 & HPER2_HARD))) {
+hard:
+ if (ML11)
+ bp->b_blkno = hpaddr->hpda&0xffff;
+ else
+ bp->b_blkno = (hpaddr->hpdc*st->nspc)&0xffff +
+ ((hpaddr->hpda>>8)&0xffff)*st->nsect +
+ (hpaddr->hpda&0x1f);
+ harderr(bp, "hp");
+ 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");
bp->b_flags |= B_ERROR;
+ retry = 0;
+ sc->sc_recal = 0;
+ } else if ((er2 & HPER2_BSE) && !ML11) {
+ if (hpecc(mi, BSE))
+ return(MBD_RESTARTED);
+ else
+ 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 */
+ } 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) {
+ hpaddr->hpcs1 = HP_RECAL|HP_GO;
+ sc->sc_recal = 1;
+ return(MBD_RESTARTED);
+ }
+ if (retry)
+ return (MBD_RETRY);
+ }
+#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",
+ hpaddr->hper1, HPER1_BITS,
+ hpaddr->hper2, HPER2_BITS);
}
+#endif
+ 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:
+ 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;
+ sc->sc_recal++;
+ return (MBD_RESTARTED);
+ donerecal:
+ case 3:
+ sc->sc_recal = 0;
+ return (MBD_RETRY);
+ }
+ sc->sc_hdr = 0;
bp->b_resid = -(mi->mi_mba->mba_bcr) & 0xffff;
- if (mi->mi_tab.b_errcnt) {
+ 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 & HP_PIP)
+ while (hpaddr->hpds & HPDS_PIP)
;
mbclrattn(mi);
}
- hpaddr->hpcs1 = HP_RELEASE|HP_GO;
+ if (!ML11) {
+ hpaddr->hpof = HPOF_FMT22;
+ hpaddr->hpcs1 = HP_RELEASE|HP_GO;
+ }
return (MBD_DONE);
}
-hpread(dev)
+hpread(dev, uio)
dev_t dev;
+ struct uio *uio;
{
register int unit = minor(dev) >> 3;
if (unit >= NHP)
- u.u_error = ENXIO;
- else
- physio(hpstrategy, &rhpbuf[unit], dev, B_READ, minphys);
+ return (ENXIO);
+ return (physio(hpstrategy, &rhpbuf[unit], dev, B_READ, minphys, uio));
}
-hpwrite(dev)
+hpwrite(dev, uio)
dev_t dev;
+ struct uio *uio;
{
register int unit = minor(dev) >> 3;
if (unit >= NHP)
- u.u_error = ENXIO;
- else
- physio(hpstrategy, &rhpbuf[unit], dev, B_WRITE, minphys);
+ 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;
+{
+
+ switch (cmd) {
+
+ case DKIOCHDR: /* do header read/write */
+ hpsoftc[minor(dev) >> 3].sc_hdr = 1;
+ return (0);
+
+ default:
+ return (ENXIO);
+ }
}
-hpecc(mi)
- register struct mba_info *mi;
+hpecc(mi, flag)
+ register struct mba_device *mi;
+ int 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;
- register int i;
- caddr_t addr;
- int reg, bit, byte, npf, mask, o;
+ register struct hpst *st = &hpst[mi->mi_type];
+ int npf, o;
int bn, cn, tn, sn;
- struct pte mpte;
int bcr;
bcr = mbp->mba_bcr & 0xffff;
if (bcr)
bcr |= 0xffff0000; /* sxt */
- npf = btop(bcr + bp->b_bcount) - 1;
- reg = npf;
+ if (flag == CONT)
+ npf = bp->b_error;
+ else
+ npf = btop(bcr + bp->b_bcount);
o = (int)bp->b_un.b_addr & PGOFSET;
- printf("%D ", bp->b_blkno + npf);
- prdev("ECC", bp->b_dev);
- mask = rp->hpec2&0xffff;
- if (mask == 0) {
- rp->hpof = HP_FMT22;
- return (0);
- }
-
- i = (rp->hpec1&0xffff) - 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) {
- mpte = mbp->mba_map[reg+btop(byte)];
- addr = ptob(mpte.pg_pfnum) + (byte & PGOFSET);
- putmemc(addr, getmemc(addr)^(mask<<bit));
- byte++;
- i++;
- bit -= 8;
- }
- mi->mi_hd->mh_active++; /* Either complete or continuing */
- if (bcr == 0)
- return (0);
-#ifdef notdef
- rp->hper1 = 0;
- rp->hpcs1 = HP_RCOM|HP_GO;
-#else
- rp->hpcs1 = HP_DCLR|HP_GO;
bn = dkblock(bp);
- st = &hpst[mi->mi_type];
cn = bp->b_cylin;
- sn = bn%(st->nspc) + npf + 1;
+ sn = bn%(st->nspc) + npf;
tn = sn/st->nsect;
sn %= st->nsect;
cn += tn/st->ntrak;
tn %= st->ntrak;
+ switch (flag) {
+ 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 */
+ bit = i&07;
+ i = (i&~07)>>3;
+ byte = i + o;
+ while (i < 512 && (int)ptob(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));
+ byte++;
+ i++;
+ bit -= 8;
+ }
+ if (bcr == 0)
+ return (0);
+ npf++;
+ break;
+ }
+
+ case SSE:
+ rp->hpof |= HPOF_SSEI;
+ mbp->mba_bcr = -(bp->b_bcount - (int)ptob(npf));
+ break;
+
+ case BSE:
+#ifdef HPBDEBUG
+ if (hpbdebug)
+ printf("hpecc, BSE: bn %d cn %d tn %d sn %d\n", bn, cn, tn, sn);
+#endif
+ if ((bn = isbad(&hpbad[mi->mi_unit], cn, tn, sn)) < 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;
+#ifdef HPBDEBUG
+ if (hpbdebug)
+ printf("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);
+#endif
+ npf = bp->b_error;
+ bp->b_flags &= ~B_BAD;
+ mbp->mba_bcr = -(bp->b_bcount - (int)ptob(npf));
+ if ((mbp->mba_bcr & 0xffff) == 0)
+ return(0);
+ break;
+ }
+ rp->hpcs1 = HP_DCLR|HP_GO;
+ if (rp->hpof&HPOF_SSEI)
+ sn++;
rp->hpdc = cn;
rp->hpda = (tn<<8) + sn;
mbp->mba_sr = -1;
- mbp->mba_var = (int)ptob(reg+1) + o;
- rp->hpcs1 = HP_RCOM|HP_GO;
-#endif
+ 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 */
return (1);
}
hpdump(dev)
dev_t dev;
{
- register struct mba_info *mi;
+ register struct mba_device *mi;
register struct mba_regs *mba;
struct hpdevice *hpaddr;
char *start;
num = maxfree;
start = 0;
unit = minor(dev) >> 3;
- if (unit >= NHP) {
- printf("bad unit\n");
- return (-1);
- }
+ if (unit >= NHP)
+ return (ENXIO);
#define phys(a,b) ((b)((int)(a)&0x7fffffff))
- mi = phys(hpinfo[unit],struct mba_info *);
- if (mi == 0 || mi->mi_alive == 0) {
- printf("dna\n");
- return (-1);
- }
+ mi = phys(hpinfo[unit],struct mba_device *);
+ if (mi == 0 || mi->mi_alive == 0)
+ return (ENXIO);
mba = phys(mi->mi_hd, struct mba_hd *)->mh_physmba;
- mba->mba_cr = MBAINIT;
+ mba->mba_cr = MBCR_INIT;
hpaddr = (struct hpdevice *)&mba->mba_drv[mi->mi_drive];
- if ((hpaddr->hpds & HP_VV) == 0) {
+ if ((hpaddr->hpds & HPDS_VV) == 0) {
hpaddr->hpcs1 = HP_DCLR|HP_GO;
hpaddr->hpcs1 = HP_PRESET|HP_GO;
- hpaddr->hpof = HP_FMT22;
+ hpaddr->hpof = HPOF_FMT22;
}
st = &hpst[mi->mi_type];
- if (dumplo < 0 || dumplo + num >= st->sizes[minor(dev)&07].nblocks) {
- printf("oor\n");
- return (-1);
- }
+ if (dumplo < 0 || dumplo + num >= st->sizes[minor(dev)&07].nblocks)
+ return (EINVAL);
while (num > 0) {
register struct pte *hpte = mba->mba_map;
register int i;
mba->mba_bcr = -(blk*NBPG);
mba->mba_var = 0;
hpaddr->hpcs1 = HP_WCOM | HP_GO;
- while ((hpaddr->hpds & HP_DRY) == 0)
+ while ((hpaddr->hpds & HPDS_DRY) == 0)
;
- if (hpaddr->hpds&HP_ERR) {
- printf("dskerr: (%d,%d,%d) ds=%x er=%x\n",
- cn, tn, sn, hpaddr->hpds, hpaddr->hper1);
- return (-1);
- }
+ if (hpaddr->hpds&HPDS_ERR)
+ return (EIO);
start += blk*NBPG;
num -= blk;
}