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1.1 root 1: /*
2: * Copyright (c) 1982, 1986 Regents of the University of California.
3: * All rights reserved. The Berkeley software License Agreement
4: * specifies the terms and conditions for redistribution.
5: *
6: * @(#)hp.c 7.20 (Berkeley) 6/21/90
7: */
8:
9: #ifdef HPDEBUG
10: int hpdebug;
11: #endif
12: #ifdef HPBDEBUG
13: int hpbdebug;
14: #endif
15:
16: #include "hp.h"
17: #if NHP > 0
18: /*
19: * HP disk driver for RP0x+RMxx+ML11
20: *
21: * TODO:
22: * see if DCLR and/or RELEASE set attention status
23: */
24: #include "param.h"
25: #include "systm.h"
26: #include "dkstat.h"
27: #include "buf.h"
28: #include "conf.h"
29: #include "file.h"
30: #include "user.h"
31: #include "map.h"
32: #include "../vax/mtpr.h"
33: #include "vm.h"
34: #include "cmap.h"
35: #include "dkbad.h"
36: #include "disklabel.h"
37: #include "ioctl.h"
38: #include "syslog.h"
39: #include "stat.h"
40:
41: #include "machine/pte.h"
42: #include "../vax/dkio.h"
43: #include "mbareg.h"
44: #include "mbavar.h"
45: #include "hpreg.h"
46:
47: #define COMPAT_42
48: #define B_FORMAT B_XXX
49:
50: /*
51: * Table of supported Massbus drive types.
52: * When using unlabeled packs, slot numbers here
53: * are used as indices into the partition tables.
54: * Slots are left for those drives divined from other means
55: * (e.g. SI, AMPEX, etc.).
56: */
57: short hptypes[] = {
58: #define HPDT_RM03 0
59: MBDT_RM03,
60: #define HPDT_RM05 1
61: MBDT_RM05,
62: #define HPDT_RP06 2
63: MBDT_RP06,
64: #define HPDT_RM80 3
65: MBDT_RM80,
66: #define HPDT_RP04 4
67: MBDT_RP04,
68: #define HPDT_RP05 5
69: MBDT_RP05,
70: #define HPDT_RP07 6
71: MBDT_RP07,
72: #define HPDT_ML11A 7
73: MBDT_ML11A,
74: #define HPDT_ML11B 8
75: MBDT_ML11B,
76: #define HPDT_9775 9
77: -1,
78: #define HPDT_9730 10
79: -1,
80: #define HPDT_CAPRICORN 11
81: -1,
82: #define HPDT_EAGLE 12
83: -1,
84: #define HPDT_9300 13
85: -1,
86: #define HPDT_RM02 14
87: MBDT_RM02, /* beware, actually mapped */
88: #define HPDT_2361 15
89: -1,
90: #define HPDT_2361A 16
91: -1,
92: 0
93: };
94:
95: struct mba_device *hpinfo[NHP];
96: int hpattach(),hpustart(),hpstart(),hpdtint(),hpstrategy();
97: struct mba_driver hpdriver =
98: { hpattach, 0, hpustart, hpstart, hpdtint, 0,
99: hptypes, "hp", 0, hpinfo };
100:
101: u_char hp_offset[16] = {
102: HPOF_P400, HPOF_M400, HPOF_P400, HPOF_M400,
103: HPOF_P800, HPOF_M800, HPOF_P800, HPOF_M800,
104: HPOF_P1200, HPOF_M1200, HPOF_P1200, HPOF_M1200,
105: 0, 0, 0, 0,
106: };
107:
108: struct disklabel hplabel[NHP];
109: struct dkbad hpbad[NHP];
110:
111: struct hpsoftc {
112: u_char sc_recal; /* recalibrate state */
113: u_char sc_doseeks; /* perform explicit seeks */
114: #ifdef COMPAT_42
115: u_char sc_hdr; /* next i/o includes header */
116: #endif
117: int sc_state; /* open fsm */
118: int sc_wlabel; /* label sector is currently writable */
119: u_long sc_openpart; /* bit mask of open subunits */
120: u_long sc_copenpart; /* bit mask of open character subunits */
121: u_long sc_bopenpart; /* bit mask of open block subunits */
122: daddr_t sc_mlsize; /* ML11 size */
123: int sc_blkdone; /* amount sucessfully transfered */
124: daddr_t sc_badbn; /* replacement block number */
125: int sc_status; /* copy of drive status reg. after format */
126: int sc_hpds; /* copy of hpds reg. after format */
127: int sc_er1; /* copy of error reg. 1 after format */
128: int sc_er2; /* copy of error reg. 2 after format */
129: } hpsoftc[NHP];
130:
131: /*
132: * Drive states. Used during steps of open/initialization.
133: * States < OPEN (> 0) are transient, during an open operation.
134: * OPENRAW is used for unlabeled disks,
135: * to inhibit bad-sector forwarding or allow format operations.
136: */
137: #define CLOSED 0 /* disk is closed. */
138: #define WANTOPEN 1 /* open requested, not started */
139: #define WANTOPENRAW 2 /* open requested, no label */
140: #define RDLABEL 3 /* reading pack label */
141: #define RDBADTBL 4 /* reading bad-sector table */
142: #define OPEN 5 /* initialized and ready */
143: #define OPENRAW 6 /* open, no label or badsect */
144:
145: #define b_cylin b_resid
146:
147: /* #define ML11 0 to remove ML11 support */
148: #define ML11(type) ((type) == HPDT_ML11A)
149: #define RP06(type) (hptypes[type] <= MBDT_RP06)
150: #define RM80(type) ((type) == HPDT_RM80)
151:
152: #define hpunit(dev) (minor(dev) >> 3)
153: #define hppart(dev) (minor(dev) & 07)
154: #define hpminor(unit, part) (((unit) << 3) | (part))
155:
156: #define MASKREG(reg) ((reg)&0xffff)
157: #ifdef lint
158: #define HPWAIT(mi, addr) (hpwait(mi))
159: #else
160: #define HPWAIT(mi, addr) (((addr)->hpds & HPDS_DRY) || hpwait(mi))
161: #endif
162:
163: /*ARGSUSED*/
164: hpattach(mi, slave)
165: struct mba_device *mi;
166: {
167: register int unit = mi->mi_unit;
168: extern int cold;
169:
170: if (cold) {
171: /*
172: * Try to initialize device and read pack label.
173: */
174: if (hpinit(hpminor(unit, 0), 0) == 0) {
175: printf(": %s", hplabel[unit].d_typename);
176: #ifdef notyet
177: addswap(makedev(HPMAJOR, hpminor(unit, 0)),
178: &hplabel[unit]);
179: #endif
180: } else
181: printf(": offline");
182: }
183: }
184:
185: hpopen(dev, flags, fmt)
186: dev_t dev;
187: int flags, fmt;
188: {
189: register int unit = hpunit(dev);
190: register struct hpsoftc *sc;
191: register struct disklabel *lp;
192: register struct partition *pp;
193: struct mba_device *mi;
194: int s, error, part = hppart(dev), mask = 1 << part;
195: daddr_t start, end;
196:
197: if (unit >= NHP || (mi = hpinfo[unit]) == 0 || mi->mi_alive == 0)
198: return (ENXIO);
199: sc = &hpsoftc[unit];
200: lp = &hplabel[unit];
201:
202: s = spl5();
203: while (sc->sc_state != OPEN && sc->sc_state != OPENRAW &&
204: sc->sc_state != CLOSED)
205: if (error = tsleep((caddr_t)sc, (PZERO+1) | PCATCH,
206: devopn, 0)) {
207: splx(s);
208: return (error);
209: }
210: splx(s);
211: if (sc->sc_state != OPEN && sc->sc_state != OPENRAW)
212: if (error = hpinit(dev, flags))
213: return (error);
214: if (part >= lp->d_npartitions)
215: return (ENXIO);
216: /*
217: * Warn if a partion is opened
218: * that overlaps another partition which is open
219: * unless one is the "raw" partition (whole disk).
220: */
221: #define RAWPART 2 /* 'c' partition */ /* XXX */
222: if ((sc->sc_openpart & mask) == 0 && part != RAWPART) {
223: pp = &lp->d_partitions[part];
224: start = pp->p_offset;
225: end = pp->p_offset + pp->p_size;
226: for (pp = lp->d_partitions;
227: pp < &lp->d_partitions[lp->d_npartitions]; pp++) {
228: if (pp->p_offset + pp->p_size <= start ||
229: pp->p_offset >= end)
230: continue;
231: if (pp - lp->d_partitions == RAWPART)
232: continue;
233: if (sc->sc_openpart & (1 << (pp - lp->d_partitions)))
234: log(LOG_WARNING,
235: "hp%d%c: overlaps open partition (%c)\n",
236: unit, part + 'a',
237: pp - lp->d_partitions + 'a');
238: }
239: }
240: switch (fmt) {
241: case S_IFCHR:
242: sc->sc_copenpart |= mask;
243: break;
244: case S_IFBLK:
245: sc->sc_bopenpart |= mask;
246: break;
247: }
248: sc->sc_openpart |= mask;
249: return (0);
250: }
251:
252: /* ARGSUSED */
253: hpclose(dev, flags, fmt)
254: dev_t dev;
255: int flags, fmt;
256: {
257: register int unit = hpunit(dev);
258: register struct hpsoftc *sc;
259: struct mba_device *mi;
260: int s, mask = 1 << hppart(dev);
261:
262: sc = &hpsoftc[unit];
263: mi = hpinfo[unit];
264: switch (fmt) {
265: case S_IFCHR:
266: sc->sc_copenpart &= ~mask;
267: break;
268: case S_IFBLK:
269: sc->sc_bopenpart &= ~mask;
270: break;
271: }
272: sc->sc_openpart = sc->sc_copenpart | sc->sc_bopenpart;
273:
274: /*
275: * Should wait for I/O to complete on this partition
276: * even if others are open, but wait for work on blkflush().
277: */
278: if (sc->sc_openpart == 0) {
279: s = spl5();
280: while (mi->mi_tab.b_actf)
281: sleep((caddr_t)sc, PZERO - 1);
282: splx(s);
283: sc->sc_state = CLOSED;
284: sc->sc_wlabel = 0;
285: }
286: return (0);
287: }
288:
289: hpinit(dev, flags)
290: dev_t dev;
291: int flags;
292: {
293: register struct hpsoftc *sc;
294: register struct buf *bp;
295: register struct disklabel *lp;
296: struct mba_device *mi;
297: struct hpdevice *hpaddr;
298: struct dkbad *db;
299: char *msg, *readdisklabel();
300: int unit, i, error = 0;
301:
302: unit = hpunit(dev);
303: sc = &hpsoftc[unit];
304: lp = &hplabel[unit];
305: mi = hpinfo[unit];
306: hpaddr = (struct hpdevice *)mi->mi_drv;
307:
308: sc->sc_state = WANTOPEN;
309: /*
310: * Use the default sizes until we've read the label,
311: * or longer if there isn't one there.
312: */
313: if (lp->d_secpercyl == 0) {
314: lp->d_secsize = DEV_BSIZE;
315: lp->d_nsectors = 32;
316: lp->d_ntracks = 20;
317: lp->d_secpercyl = 32*20;
318: lp->d_npartitions = 1;
319: lp->d_partitions[0].p_offset = 0;
320: lp->d_partitions[0].p_size = LABELSECTOR + 1;
321: }
322:
323: if (flags & O_NDELAY)
324: goto raw;
325:
326: /*
327: * Map all ML11's to the same type. Also calculate
328: * transfer rates based on device characteristics.
329: * Set up dummy label with all that's needed.
330: */
331: if (mi->mi_type == MBDT_ML11A || mi->mi_type == MBDT_ML11B) {
332: register int trt;
333:
334: sc->sc_mlsize = hpaddr->hpmr & HPMR_SZ;
335: if ((hpaddr->hpmr & HPMR_ARRTYP) == 0)
336: sc->sc_mlsize >>= 2;
337: if (mi->mi_dk >= 0) {
338: trt = (hpaddr->hpmr & HPMR_TRT) >> 8;
339: dk_wpms[mi->mi_dk] = (1<<(20-trt));
340: }
341: mi->mi_type = MBDT_ML11A;
342: lp->d_partitions[0].p_size = sc->sc_mlsize;
343: lp->d_secpercyl = sc->sc_mlsize;
344: goto raw;
345: }
346:
347: /*
348: * Preset, pack acknowledge will be done in hpstart
349: * during first read operation.
350: */
351: if (msg = readdisklabel(dev, hpstrategy, lp)) {
352: if (cold)
353: printf(": %s", msg);
354: else
355: log(LOG_ERR, "hp%d: %s\n", unit, msg);
356: #ifdef COMPAT_42
357: if (hpmaptype(mi, lp) == 0)
358: #endif
359: goto raw;
360: }
361:
362: /*
363: * Seconds per word = (60 / rpm) / (nsectors * secsize/2)
364: */
365: if (mi->mi_dk >= 0 && lp->d_rpm)
366: dk_wpms[mi->mi_dk] =
367: (lp->d_rpm * lp->d_nsectors * lp->d_secsize) / 120;
368: /*
369: * Read bad sector table into memory.
370: */
371: bp = geteblk(DEV_BSIZE); /* max sector size */
372: bp->b_dev = dev;
373: sc->sc_state = RDBADTBL;
374: i = 0;
375: do {
376: bp->b_flags = B_BUSY | B_READ;
377: bp->b_blkno = lp->d_secperunit - lp->d_nsectors + i;
378: bp->b_bcount = lp->d_secsize;
379: bp->b_cylin = lp->d_ncylinders - 1;
380: hpstrategy(bp);
381: (void) biowait(bp);
382: } while ((bp->b_flags & B_ERROR) && (i += 2) < 10 &&
383: i < lp->d_nsectors);
384: db = (struct dkbad *)(bp->b_un.b_addr);
385: if ((bp->b_flags & B_ERROR) == 0 && db->bt_mbz == 0 &&
386: db->bt_flag == 0) {
387: hpbad[unit] = *db;
388: } else
389: log(LOG_ERR, "hp%d: %s bad-sector file\n", unit,
390: (bp->b_flags & B_ERROR) ? "can't read" : "format error in");
391: sc->sc_state = OPEN;
392: bp->b_flags = B_INVAL | B_AGE;
393: brelse(bp);
394: wakeup((caddr_t)sc);
395: return (error);
396:
397: raw:
398: if (cold)
399: sc->sc_state = CLOSED;
400: else {
401: sc->sc_state = OPENRAW;
402: wakeup((caddr_t)sc);
403: }
404: return (error);
405: }
406:
407: hpstrategy(bp)
408: register struct buf *bp;
409: {
410: register struct mba_device *mi;
411: register struct disklabel *lp;
412: register struct hpsoftc *sc;
413: register int unit;
414: daddr_t sz, maxsz;
415: int xunit = hppart(bp->b_dev);
416: int s;
417:
418: sz = (bp->b_bcount + DEV_BSIZE - 1) >> DEV_BSHIFT;
419: unit = hpunit(bp->b_dev);
420: if (unit >= NHP) {
421: bp->b_error = ENXIO;
422: goto bad;
423: }
424: mi = hpinfo[unit];
425: sc = &hpsoftc[unit];
426: lp = &hplabel[unit];
427: if (mi == 0 || mi->mi_alive == 0) {
428: bp->b_error = ENXIO;
429: goto bad;
430: }
431: #ifdef COMPAT_42
432: if (sc->sc_hdr) { /* XXX */
433: if (bp->b_bcount == 516)
434: bp->b_flags |= B_FORMAT;
435: sc->sc_hdr = 0;
436: }
437: #endif
438: if (sc->sc_state < OPEN)
439: goto q;
440: if (sc->sc_state != OPEN && (bp->b_flags & (B_READ|B_FORMAT)) == 0) {
441: bp->b_error = EROFS;
442: goto bad;
443: }
444: if ((sc->sc_openpart & (1 << xunit)) == 0) {
445: bp->b_error = ENODEV;
446: goto bad;
447: }
448: maxsz = lp->d_partitions[xunit].p_size;
449: if (bp->b_blkno + lp->d_partitions[xunit].p_offset <= LABELSECTOR &&
450: #if LABELSECTOR != 0
451: bp->b_blkno + lp->d_partitions[xunit].p_offset + sz > LABELSECTOR &&
452: #endif
453: (bp->b_flags & B_READ) == 0 && sc->sc_wlabel == 0) {
454: bp->b_error = EROFS;
455: goto bad;
456: }
457: if (bp->b_blkno < 0 || bp->b_blkno + sz > maxsz) {
458: if (bp->b_blkno == maxsz) {
459: bp->b_resid = bp->b_bcount;
460: goto done;
461: }
462: sz = maxsz - bp->b_blkno;
463: if (sz <= 0) {
464: bp->b_error = EINVAL;
465: goto bad;
466: }
467: bp->b_bcount = sz << DEV_BSHIFT;
468: }
469: bp->b_cylin = (bp->b_blkno + lp->d_partitions[xunit].p_offset) /
470: lp->d_secpercyl;
471: q:
472: s = spl5();
473: disksort(&mi->mi_tab, bp);
474: if (mi->mi_tab.b_active == 0)
475: mbustart(mi);
476: splx(s);
477: return;
478:
479: bad:
480: bp->b_flags |= B_ERROR;
481: done:
482: biodone(bp);
483: return;
484: }
485:
486: hpustart(mi)
487: register struct mba_device *mi;
488: {
489: register struct hpdevice *hpaddr = (struct hpdevice *)mi->mi_drv;
490: register struct buf *bp = mi->mi_tab.b_actf;
491: register struct disklabel *lp;
492: struct hpsoftc *sc = &hpsoftc[mi->mi_unit];
493: daddr_t bn;
494: int sn, tn, dist;
495:
496: lp = &hplabel[mi->mi_unit];
497: hpaddr->hpcs1 = 0;
498: if ((hpaddr->hpcs1&HP_DVA) == 0)
499: return (MBU_BUSY);
500:
501: switch (sc->sc_recal) {
502:
503: case 1:
504: (void)HPWAIT(mi, hpaddr);
505: hpaddr->hpdc = bp->b_cylin;
506: hpaddr->hpcs1 = HP_SEEK|HP_GO;
507: sc->sc_recal++;
508: return (MBU_STARTED);
509: case 2:
510: break;
511: }
512: sc->sc_recal = 0;
513: if ((hpaddr->hpds & HPDS_VV) == 0) {
514: if (sc->sc_state == OPEN && lp->d_flags & D_REMOVABLE) {
515: if (sc->sc_openpart)
516: log(LOG_ERR, "hp%d: volume changed\n",
517: mi->mi_unit);
518: sc->sc_openpart = 0;
519: bp->b_flags |= B_ERROR;
520: return (MBU_NEXT);
521: }
522: hpaddr->hpcs1 = HP_DCLR|HP_GO;
523: if (mi->mi_mba->mba_drv[0].mbd_as & (1<<mi->mi_drive))
524: printf("DCLR attn\n");
525: hpaddr->hpcs1 = HP_PRESET|HP_GO;
526: if (!ML11(mi->mi_type))
527: hpaddr->hpof = HPOF_FMT22;
528: mbclrattn(mi);
529: if (sc->sc_state == WANTOPENRAW) {
530: sc->sc_state = OPENRAW;
531: return (MBU_NEXT);
532: }
533: if (sc->sc_state == WANTOPEN)
534: sc->sc_state = RDLABEL;
535: }
536: if (mi->mi_tab.b_active || mi->mi_hd->mh_ndrive == 1) {
537: if (mi->mi_tab.b_errcnt >= 16 && (bp->b_flags & B_READ)) {
538: hpaddr->hpof =
539: hp_offset[mi->mi_tab.b_errcnt & 017]|HPOF_FMT22;
540: hpaddr->hpcs1 = HP_OFFSET|HP_GO;
541: (void)HPWAIT(mi, hpaddr);
542: mbclrattn(mi);
543: }
544: return (MBU_DODATA);
545: }
546: if (ML11(mi->mi_type))
547: return (MBU_DODATA);
548: if ((hpaddr->hpds & HPDS_DREADY) != HPDS_DREADY)
549: return (MBU_DODATA);
550: bn = bp->b_blkno;
551: sn = bn % lp->d_secpercyl;
552: tn = sn / lp->d_nsectors;
553: sn = sn % lp->d_nsectors;
554: if (bp->b_cylin == MASKREG(hpaddr->hpdc)) {
555: if (sc->sc_doseeks)
556: return (MBU_DODATA);
557: dist = sn - (MASKREG(hpaddr->hpla) >> 6) - 1;
558: if (dist < 0)
559: dist += lp->d_nsectors;
560: if (dist <= lp->d_maxdist && dist >= lp->d_mindist)
561: return (MBU_DODATA);
562: } else
563: hpaddr->hpdc = bp->b_cylin;
564: if (sc->sc_doseeks)
565: hpaddr->hpcs1 = HP_SEEK|HP_GO;
566: else {
567: sn = (sn + lp->d_nsectors - lp->d_sdist) % lp->d_nsectors;
568: hpaddr->hpda = (tn << 8) + sn;
569: hpaddr->hpcs1 = HP_SEARCH|HP_GO;
570: }
571: return (MBU_STARTED);
572: }
573:
574: hpstart(mi)
575: register struct mba_device *mi;
576: {
577: register struct hpdevice *hpaddr = (struct hpdevice *)mi->mi_drv;
578: register struct buf *bp = mi->mi_tab.b_actf;
579: register struct disklabel *lp = &hplabel[mi->mi_unit];
580: struct hpsoftc *sc = &hpsoftc[mi->mi_unit];
581: daddr_t bn;
582: int sn, tn, cn;
583:
584: if (ML11(mi->mi_type))
585: hpaddr->hpda = bp->b_blkno + sc->sc_blkdone;
586: else {
587: if (bp->b_flags & B_BAD) {
588: bn = sc->sc_badbn;
589: cn = bn / lp->d_secpercyl;
590: } else {
591: bn = bp->b_blkno;
592: cn = bp->b_cylin;
593: }
594: sn = bn % lp->d_secpercyl;
595: if ((bp->b_flags & B_BAD) == 0)
596: sn += sc->sc_blkdone;
597: tn = sn / lp->d_nsectors;
598: sn %= lp->d_nsectors;
599: cn += tn / lp->d_ntracks;
600: tn %= lp->d_ntracks;
601: hpaddr->hpda = (tn << 8) + sn;
602: hpaddr->hpdc = cn;
603: }
604: mi->mi_tab.b_bdone = dbtob(sc->sc_blkdone);
605: if (bp->b_flags & B_FORMAT) {
606: if (bp->b_flags & B_READ)
607: return (HP_RHDR|HP_GO);
608: else
609: return (HP_WHDR|HP_GO);
610: }
611: return (0);
612: }
613:
614: hpdtint(mi, mbsr)
615: register struct mba_device *mi;
616: int mbsr;
617: {
618: register struct hpdevice *hpaddr = (struct hpdevice *)mi->mi_drv;
619: register struct buf *bp = mi->mi_tab.b_actf;
620: register int er1, er2;
621: struct hpsoftc *sc = &hpsoftc[mi->mi_unit];
622: int retry = 0;
623: int npf, bcr;
624:
625: bcr = MASKREG(-mi->mi_mba->mba_bcr);
626: if (bp->b_flags & B_FORMAT) {
627: sc->sc_status = mbsr;
628: sc->sc_hpds = hpaddr->hpds;
629: sc->sc_er1 = hpaddr->hper1;
630: sc->sc_er2 = hpaddr->hper2;
631: }
632: if (hpaddr->hpds&HPDS_ERR || mbsr&MBSR_EBITS) {
633: er1 = hpaddr->hper1;
634: er2 = hpaddr->hper2;
635: if (bp->b_flags & B_BAD)
636: npf = bp->b_error;
637: else {
638: npf = btodb(bp->b_bcount + (DEV_BSIZE - 1) - bcr);
639: if (er1 & (HPER1_DCK | HPER1_ECH))
640: npf--;
641: }
642: if (HPWAIT(mi, hpaddr) == 0)
643: goto hard;
644: #ifdef HPDEBUG
645: if (hpdebug) {
646: int dc = hpaddr->hpdc, da = hpaddr->hpda;
647: daddr_t bn;
648:
649: if (bp->b_flags & B_BAD)
650: bn = sc->sc_badbn;
651: else
652: bn = bp->b_blkno + npf;
653: log(LOG_DEBUG,
654: "hperr: bp %x cyl %d blk %d blkdone %d as %o dc %x da %x\n",
655: bp, bp->b_cylin, bn, sc->sc_blkdone,
656: hpaddr->hpas&0xff, MASKREG(dc), MASKREG(da));
657: log(LOG_DEBUG,
658: "errcnt %d mbsr=%b er1=%b er2=%b bcr -%d\n",
659: mi->mi_tab.b_errcnt, mbsr, mbsr_bits,
660: MASKREG(er1), HPER1_BITS,
661: MASKREG(er2), HPER2_BITS, bcr);
662: }
663: #endif
664: if (er1 & HPER1_HCRC) {
665: er1 &= ~(HPER1_HCE|HPER1_FER);
666: er2 &= ~HPER2_BSE;
667: }
668: if (er1 & HPER1_WLE) {
669: log(LOG_WARNING, "hp%d: write locked\n",
670: hpunit(bp->b_dev));
671: bp->b_flags |= B_ERROR;
672: } else if (bp->b_flags & B_FORMAT) {
673: bp->b_flags |= B_ERROR;
674: } else if (RM80(mi->mi_type) && er2&HPER2_SSE) {
675: (void) hpecc(mi, SSE);
676: return (MBD_RESTARTED);
677: } else if ((er2 & HPER2_BSE) && !ML11(mi->mi_type)) {
678: if (hpecc(mi, BSE))
679: return (MBD_RESTARTED);
680: goto hard;
681: } else if (MASKREG(er1) == HPER1_FER && RP06(mi->mi_type)) {
682: if (hpecc(mi, BSE))
683: return (MBD_RESTARTED);
684: goto hard;
685: } else if ((er1 & (HPER1_DCK | HPER1_ECH)) == HPER1_DCK &&
686: mi->mi_tab.b_errcnt >= 3) {
687: if (hpecc(mi, ECC))
688: return (MBD_RESTARTED);
689: /*
690: * ECC corrected. Only log retries below
691: * if we got errors other than soft ECC
692: * (as indicated by additional retries).
693: */
694: if (mi->mi_tab.b_errcnt == 3)
695: mi->mi_tab.b_errcnt = 0;
696: } else if ((er1 & HPER1_HCRC) && !ML11(mi->mi_type) &&
697: hpecc(mi, BSE)) {
698: /*
699: * HCRC means the header is screwed up and the sector
700: * might well exist in the bad sector table,
701: * better check....
702: */
703: return (MBD_RESTARTED);
704: } else if (++mi->mi_tab.b_errcnt > 27 ||
705: (ML11(mi->mi_type) && mi->mi_tab.b_errcnt > 15) ||
706: mbsr & MBSR_HARD ||
707: er1 & HPER1_HARD ||
708: (!ML11(mi->mi_type) && (er2 & HPER2_HARD))) {
709: hard:
710: diskerr(bp, "hp", "hard error", LOG_PRINTF, npf,
711: &hplabel[mi->mi_unit]);
712: if (bp->b_flags & B_BAD)
713: printf(" (on replacement sector %d)",
714: sc->sc_badbn);
715: if (mbsr & (MBSR_EBITS &~ (MBSR_DTABT|MBSR_MBEXC)))
716: printf(" mbsr=%b", mbsr, mbsr_bits);
717: printf(" er1=%b er2=%b ds=%b\n",
718: MASKREG(hpaddr->hper1), HPER1_BITS,
719: MASKREG(hpaddr->hper2), HPER2_BITS,
720: MASKREG(hpaddr->hpds), HPDS_BITS);
721: bp->b_flags |= B_ERROR;
722: bp->b_flags &= ~B_BAD;
723: } else
724: retry = 1;
725: hpaddr->hpcs1 = HP_DCLR|HP_GO;
726: if (retry && (mi->mi_tab.b_errcnt & 07) == 4) {
727: hpaddr->hpcs1 = HP_RECAL|HP_GO;
728: sc->sc_recal = 1;
729: return (MBD_REPOSITION);
730: }
731: }
732: #ifdef HPDEBUG
733: else
734: if (hpdebug && sc->sc_recal) {
735: log(LOG_DEBUG,
736: "recal %d errcnt %d mbsr=%b er1=%b er2=%b\n",
737: sc->sc_recal, mi->mi_tab.b_errcnt, mbsr, mbsr_bits,
738: hpaddr->hper1, HPER1_BITS,
739: hpaddr->hper2, HPER2_BITS);
740: }
741: #endif
742: (void)HPWAIT(mi, hpaddr);
743: if (retry)
744: return (MBD_RETRY);
745: if (mi->mi_tab.b_errcnt >= 16) {
746: /*
747: * This is fast and occurs rarely; we don't
748: * bother with interrupts.
749: */
750: hpaddr->hpcs1 = HP_RTC|HP_GO;
751: (void)HPWAIT(mi, hpaddr);
752: mbclrattn(mi);
753: }
754: if (mi->mi_tab.b_errcnt && (bp->b_flags & B_ERROR) == 0) {
755: diskerr(bp, "hp", "retries", LOG_INFO, sc->sc_blkdone,
756: &hplabel[mi->mi_unit]);
757: addlog(": %d retries\n", mi->mi_tab.b_errcnt);
758: }
759: if ((bp->b_flags & B_BAD) && hpecc(mi, CONT))
760: return (MBD_RESTARTED);
761: sc->sc_blkdone = 0;
762: bp->b_resid = bcr;
763: if (!ML11(mi->mi_type)) {
764: hpaddr->hpof = HPOF_FMT22;
765: hpaddr->hpcs1 = HP_RELEASE|HP_GO;
766: }
767: if (sc->sc_openpart == 0)
768: wakeup((caddr_t)sc);
769: return (MBD_DONE);
770: }
771:
772: /*
773: * Wait (for a bit) for a drive to come ready;
774: * returns nonzero on success.
775: */
776: hpwait(mi)
777: register struct mba_device *mi;
778: {
779: register struct hpdevice *hpaddr = (struct hpdevice *)mi->mi_drv;
780: register i = 100000;
781:
782: while ((hpaddr->hpds & HPDS_DRY) == 0 && --i)
783: DELAY(10);
784: if (i == 0)
785: printf("hp%d: intr, not ready\n", mi->mi_unit);
786: return (i);
787: }
788:
789: hpioctl(dev, cmd, data, flag)
790: dev_t dev;
791: int cmd;
792: caddr_t data;
793: int flag;
794: {
795: int unit = hpunit(dev);
796: register struct disklabel *lp;
797: register struct hpsoftc *sc = &hpsoftc[unit];
798: int error = 0;
799: int hpformat();
800:
801: lp = &hplabel[unit];
802:
803: switch (cmd) {
804:
805: case DIOCGDINFO:
806: *(struct disklabel *)data = *lp;
807: break;
808:
809: case DIOCGPART:
810: ((struct partinfo *)data)->disklab = lp;
811: ((struct partinfo *)data)->part =
812: &lp->d_partitions[hppart(dev)];
813: break;
814:
815: case DIOCSDINFO:
816: if ((flag & FWRITE) == 0)
817: error = EBADF;
818: else
819: error = setdisklabel(lp, (struct disklabel *)data,
820: (sc->sc_state == OPENRAW) ? 0 : sc->sc_openpart);
821: if (error == 0)
822: sc->sc_state = OPEN;
823: break;
824:
825: case DIOCWLABEL:
826: if ((flag & FWRITE) == 0)
827: error = EBADF;
828: else
829: sc->sc_wlabel = *(int *)data;
830: break;
831:
832: case DIOCWDINFO:
833: if ((flag & FWRITE) == 0)
834: error = EBADF;
835: else if ((error = setdisklabel(lp, (struct disklabel *)data,
836: (sc->sc_state == OPENRAW) ? 0 : sc->sc_openpart)) == 0) {
837: int wlab;
838:
839: sc->sc_state = OPEN;
840: /* simulate opening partition 0 so write succeeds */
841: sc->sc_openpart |= (1 << 0); /* XXX */
842: wlab = sc->sc_wlabel;
843: sc->sc_wlabel = 1;
844: error = writedisklabel(dev, hpstrategy, lp);
845: sc->sc_openpart = sc->sc_copenpart | sc->sc_bopenpart;
846: sc->sc_wlabel = wlab;
847: }
848: break;
849:
850: case DIOCSBAD:
851: {
852: struct dkbad *db = (struct dkbad *)data;
853:
854: if ((flag & FWRITE) == 0)
855: error = EBADF;
856: else if (db->bt_mbz != 0 || db->bt_flag != 0)
857: error = EINVAL;
858: else
859: hpbad[unit] = *db;
860: break;
861: }
862:
863: case DIOCRFORMAT:
864: case DIOCWFORMAT:
865: {
866: register struct format_op *fop;
867: struct uio auio;
868: struct iovec aiov;
869:
870: if (cmd == DIOCWFORMAT && (flag & FWRITE) == 0) {
871: error = EBADF;
872: break;
873: }
874: fop = (struct format_op *)data;
875: aiov.iov_base = fop->df_buf;
876: aiov.iov_len = fop->df_count;
877: auio.uio_iov = &aiov;
878: auio.uio_iovcnt = 1;
879: auio.uio_resid = fop->df_count;
880: auio.uio_segflg = UIO_USERSPACE;
881: auio.uio_offset = fop->df_startblk * lp->d_secsize;
882: /*
883: * Don't return errors, as the format op won't get copied
884: * out if we return nonzero. Callers must check the returned
885: * count.
886: */
887: (void) physio(hpformat, (struct buf *)NULL, dev,
888: (cmd == DIOCWFORMAT ? B_WRITE : B_READ), minphys, &auio);
889: fop->df_count -= auio.uio_resid;
890: fop->df_reg[0] = sc->sc_status;
891: fop->df_reg[1] = sc->sc_hpds;
892: fop->df_reg[2] = sc->sc_er1;
893: fop->df_reg[3] = sc->sc_er2;
894: break;
895: }
896:
897: #ifdef COMPAT_42
898: case DKIOCHDR: /* do header read/write */ /* XXX */
899: sc->sc_hdr = 1;
900: break;
901: #endif
902:
903: default:
904: error = ENOTTY;
905: break;
906: }
907: return (error);
908: }
909:
910: hpformat(bp)
911: struct buf *bp;
912: {
913: bp->b_flags |= B_FORMAT;
914: hpstrategy(bp);
915: }
916:
917: hpecc(mi, flag)
918: register struct mba_device *mi;
919: int flag;
920: {
921: register struct mba_regs *mbp = mi->mi_mba;
922: register struct hpdevice *rp = (struct hpdevice *)mi->mi_drv;
923: register struct buf *bp = mi->mi_tab.b_actf;
924: register struct disklabel *lp = &hplabel[mi->mi_unit];
925: struct hpsoftc *sc = &hpsoftc[mi->mi_unit];
926: int npf, o;
927: int bn, cn, tn, sn;
928: int bcr;
929:
930: bcr = MASKREG(-mbp->mba_bcr);
931: if (bp->b_flags & B_BAD)
932: npf = bp->b_error;
933: else {
934: npf = bp->b_bcount - bcr;
935: /*
936: * Watch out for fractional sector at end of transfer;
937: * want to round up if finished, otherwise round down.
938: */
939: if (bcr == 0)
940: npf += 511;
941: npf = btodb(npf);
942: }
943: o = (int)bp->b_un.b_addr & PGOFSET;
944: bn = bp->b_blkno;
945: cn = bp->b_cylin;
946: sn = bn % lp->d_secpercyl + npf;
947: tn = sn / lp->d_nsectors;
948: sn %= lp->d_nsectors;
949: cn += tn / lp->d_ntracks;
950: tn %= lp->d_ntracks;
951: bn += npf;
952: switch (flag) {
953: case ECC: {
954: register int i;
955: caddr_t addr;
956: struct pte mpte;
957: int bit, byte, mask;
958:
959: npf--; /* because block in error is previous block */
960: diskerr(bp, "hp", "soft ecc", LOG_WARNING, npf, lp);
961: if (bp->b_flags & B_BAD)
962: addlog(" (on replacement sector %d)", sc->sc_badbn);
963: addlog("\n");
964: mask = MASKREG(rp->hpec2);
965: i = MASKREG(rp->hpec1) - 1; /* -1 makes 0 origin */
966: bit = i&07;
967: i = (i&~07)>>3;
968: byte = i + o;
969: while (i < 512 && (int)dbtob(npf)+i < bp->b_bcount && bit > -11) {
970: mpte = mbp->mba_map[npf+btop(byte)];
971: addr = ptob(mpte.pg_pfnum) + (byte & PGOFSET);
972: putmemc(addr, getmemc(addr)^(mask<<bit));
973: byte++;
974: i++;
975: bit -= 8;
976: }
977: if (bcr == 0)
978: return (0);
979: npf++;
980: break;
981: }
982:
983: case SSE:
984: rp->hpof |= HPOF_SSEI;
985: if (bp->b_flags & B_BAD) {
986: bn = sc->sc_badbn;
987: goto fixregs;
988: }
989: mbp->mba_bcr = -(bp->b_bcount - (int)ptob(npf));
990: break;
991:
992: case BSE:
993: if (sc->sc_state == OPENRAW)
994: return (0);
995: if (rp->hpof & HPOF_SSEI)
996: sn++;
997: #ifdef HPBDEBUG
998: if (hpbdebug)
999: log(LOG_DEBUG, "hpecc, BSE: bn %d cn %d tn %d sn %d\n", bn, cn, tn, sn);
1000: #endif
1001: if (bp->b_flags & B_BAD)
1002: return (0);
1003: if ((bn = isbad(&hpbad[mi->mi_unit], cn, tn, sn)) < 0)
1004: return (0);
1005: bp->b_flags |= B_BAD;
1006: bp->b_error = npf + 1;
1007: rp->hpof &= ~HPOF_SSEI;
1008: bn = lp->d_ncylinders * lp->d_secpercyl -
1009: lp->d_nsectors - 1 - bn;
1010: sc->sc_badbn = bn;
1011: fixregs:
1012: cn = bn / lp->d_secpercyl;
1013: sn = bn % lp->d_secpercyl;
1014: tn = sn / lp->d_nsectors;
1015: sn %= lp->d_nsectors;
1016: bcr = bp->b_bcount - (int)ptob(npf);
1017: bcr = MIN(bcr, 512);
1018: mbp->mba_bcr = -bcr;
1019: #ifdef HPBDEBUG
1020: if (hpbdebug)
1021: log(LOG_DEBUG, "revector to cn %d tn %d sn %d\n", cn, tn, sn);
1022: #endif
1023: break;
1024:
1025: case CONT:
1026: #ifdef HPBDEBUG
1027: if (hpbdebug)
1028: log(LOG_DEBUG, "hpecc, CONT: bn %d cn %d tn %d sn %d\n", bn,cn,tn,sn);
1029: #endif
1030: bp->b_flags &= ~B_BAD;
1031: if ((int)ptob(npf) >= bp->b_bcount)
1032: return (0);
1033: mbp->mba_bcr = -(bp->b_bcount - (int)ptob(npf));
1034: break;
1035: }
1036: rp->hpcs1 = HP_DCLR|HP_GO;
1037: if (rp->hpof & HPOF_SSEI)
1038: sn++;
1039: rp->hpdc = cn;
1040: rp->hpda = (tn<<8) + sn;
1041: mbp->mba_sr = -1;
1042: mbp->mba_var = (int)ptob(npf) + o;
1043: rp->hpcs1 = bp->b_flags&B_READ ? HP_RCOM|HP_GO : HP_WCOM|HP_GO;
1044: mi->mi_tab.b_errcnt = 0; /* error has been corrected */
1045: sc->sc_blkdone = npf;
1046: return (1);
1047: }
1048:
1049: #define DBSIZE 20
1050:
1051: hpdump(dev)
1052: dev_t dev;
1053: {
1054: register struct mba_device *mi;
1055: register struct mba_regs *mba;
1056: register struct disklabel *lp;
1057: struct hpdevice *hpaddr;
1058: char *start;
1059: int num, unit;
1060: extern int dumpsize;
1061:
1062: num = dumpsize;
1063: start = 0;
1064: unit = hpunit(dev);
1065: if (unit >= NHP)
1066: return (ENXIO);
1067: #define phys(a,b) ((b)((int)(a)&0x7fffffff))
1068: mi = phys(hpinfo[unit],struct mba_device *);
1069: if (mi == 0 || mi->mi_alive == 0)
1070: return (ENXIO);
1071: lp = &hplabel[unit];
1072: mba = phys(mi->mi_hd, struct mba_hd *)->mh_physmba;
1073: mba->mba_cr = MBCR_INIT;
1074: hpaddr = (struct hpdevice *)&mba->mba_drv[mi->mi_drive];
1075: if ((hpaddr->hpds & HPDS_VV) == 0) {
1076: hpaddr->hpcs1 = HP_DCLR|HP_GO;
1077: hpaddr->hpcs1 = HP_PRESET|HP_GO;
1078: hpaddr->hpof = HPOF_FMT22;
1079: }
1080: if (dumplo + num >= lp->d_partitions[hppart(dev)].p_size)
1081: num = lp->d_partitions[hppart(dev)].p_size - dumplo;
1082: while (num > 0) {
1083: register struct pte *hpte = mba->mba_map;
1084: register int i;
1085: int blk, cn, sn, tn;
1086: daddr_t bn;
1087:
1088: blk = num > DBSIZE ? DBSIZE : num;
1089: bn = dumplo + btodb(start);
1090: cn = (bn + lp->d_partitions[hppart(dev)].p_offset) /
1091: lp->d_secpercyl;
1092: sn = bn % lp->d_secpercyl;
1093: tn = sn / lp->d_nsectors;
1094: sn = sn % lp->d_nsectors;
1095: hpaddr->hpdc = cn;
1096: hpaddr->hpda = (tn << 8) + sn;
1097: for (i = 0; i < blk; i++)
1098: *(int *)hpte++ = (btop(start)+i) | PG_V;
1099: mba->mba_sr = -1;
1100: mba->mba_bcr = -(blk*NBPG);
1101: mba->mba_var = 0;
1102: hpaddr->hpcs1 = HP_WCOM | HP_GO;
1103: while ((hpaddr->hpds & HPDS_DRY) == 0)
1104: DELAY(10);
1105: if (hpaddr->hpds&HPDS_ERR)
1106: return (EIO);
1107: start += blk*NBPG;
1108: num -= blk;
1109: }
1110: return (0);
1111: }
1112:
1113: hpsize(dev)
1114: dev_t dev;
1115: {
1116: register int unit = hpunit(dev);
1117: struct mba_device *mi;
1118:
1119: if (unit >= NHP || (mi = hpinfo[unit]) == 0 || mi->mi_alive == 0 ||
1120: hpsoftc[unit].sc_state != OPEN)
1121: return (-1);
1122: return ((int)hplabel[unit].d_partitions[hppart(dev)].p_size);
1123: }
1124:
1125: #ifdef COMPAT_42
1126: /*
1127: * Compatibility code to fake up pack label
1128: * for unlabeled disks.
1129: */
1130: struct size {
1131: daddr_t nblocks;
1132: int cyloff;
1133: } rp06_sizes[8] = {
1134: 15884, 0, /* A=cyl 0 thru 37 */
1135: 33440, 38, /* B=cyl 38 thru 117 */
1136: 340670, 0, /* C=cyl 0 thru 814 */
1137: 15884, 118, /* D=cyl 118 thru 155 */
1138: 55936, 156, /* E=cyl 156 thru 289 */
1139: 219384, 290, /* F=cyl 290 thru 814 */
1140: 291192, 118, /* G=cyl 118 thru 814 */
1141: 0, 0,
1142: }, rp05_sizes[8] = {
1143: 15884, 0, /* A=cyl 0 thru 37 */
1144: 33440, 38, /* B=cyl 38 thru 117 */
1145: 171798, 0, /* C=cyl 0 thru 410 */
1146: 15884, 118, /* D=cyl 118 thru 155 */
1147: 55936, 156, /* E=cyl 156 thru 289 */
1148: 50512, 290, /* F=cyl 290 thru 410 */
1149: 122408, 118, /* G=cyl 118 thru 410 */
1150: 0, 0,
1151: }, rm03_sizes[8] = {
1152: 15884, 0, /* A=cyl 0 thru 99 */
1153: 33440, 100, /* B=cyl 100 thru 308 */
1154: 131680, 0, /* C=cyl 0 thru 822 */
1155: 15884, 309, /* D=cyl 309 thru 408 */
1156: 55936, 409, /* E=cyl 409 thru 758 */
1157: 10144, 759, /* F=cyl 759 thru 822 */
1158: 82144, 309, /* G=cyl 309 thru 822 */
1159: 0, 0,
1160: }, rm05_sizes[8] = {
1161: 15884, 0, /* A=cyl 0 thru 26 */
1162: 33440, 27, /* B=cyl 27 thru 81 */
1163: 500384, 0, /* C=cyl 0 thru 822 */
1164: 15884, 562, /* D=cyl 562 thru 588 */
1165: 55936, 589, /* E=cyl 589 thru 680 */
1166: 86240, 681, /* F=cyl 681 thru 822 */
1167: 158592, 562, /* G=cyl 562 thru 822 */
1168: 291346, 82, /* H=cyl 82 thru 561 */
1169: }, rm80_sizes[8] = {
1170: 15884, 0, /* A=cyl 0 thru 36 */
1171: 33440, 37, /* B=cyl 37 thru 114 */
1172: 242606, 0, /* C=cyl 0 thru 558 */
1173: 15884, 115, /* D=cyl 115 thru 151 */
1174: 55936, 152, /* E=cyl 152 thru 280 */
1175: 120559, 281, /* F=cyl 281 thru 558 */
1176: 192603, 115, /* G=cyl 115 thru 558 */
1177: 0, 0,
1178: }, rp07_sizes[8] = {
1179: 15884, 0, /* A=cyl 0 thru 9 */
1180: 66880, 10, /* B=cyl 10 thru 51 */
1181: 1008000, 0, /* C=cyl 0 thru 629 */
1182: 15884, 235, /* D=cyl 235 thru 244 */
1183: 307200, 245, /* E=cyl 245 thru 436 */
1184: 308650, 437, /* F=cyl 437 thru 629 */
1185: 631850, 235, /* G=cyl 235 thru 629 */
1186: 291346, 52, /* H=cyl 52 thru 234 */
1187: }, cdc9775_sizes[8] = {
1188: 15884, 0, /* A=cyl 0 thru 12 */
1189: 66880, 13, /* B=cyl 13 thru 65 */
1190: 1077760, 0, /* C=cyl 0 thru 841 */
1191: 15884, 294, /* D=cyl 294 thru 306 */
1192: 307200, 307, /* E=cyl 307 thru 546 */
1193: 377440, 547, /* F=cyl 547 thru 841 */
1194: 701280, 294, /* G=cyl 294 thru 841 */
1195: 291346, 66, /* H=cyl 66 thru 293 */
1196: }, cdc9730_sizes[8] = {
1197: 15884, 0, /* A=cyl 0 thru 49 */
1198: 33440, 50, /* B=cyl 50 thru 154 */
1199: 263360, 0, /* C=cyl 0 thru 822 */
1200: 15884, 155, /* D=cyl 155 thru 204 */
1201: 55936, 205, /* E=cyl 205 thru 379 */
1202: 141664, 380, /* F=cyl 380 thru 822 */
1203: 213664, 155, /* G=cyl 155 thru 822 */
1204: 0, 0,
1205: }, capricorn_sizes[8] = {
1206: 15884, 0, /* A=cyl 0 thru 31 */
1207: 33440, 32, /* B=cyl 32 thru 97 */
1208: 524288, 0, /* C=cyl 0 thru 1023 */
1209: 15884, 668, /* D=cyl 668 thru 699 */
1210: 55936, 700, /* E=cyl 700 thru 809 */
1211: 109472, 810, /* F=cyl 810 thru 1023 */
1212: 182176, 668, /* G=cyl 668 thru 1023 */
1213: 291346, 98, /* H=cyl 98 thru 667 */
1214: }, eagle_sizes[8] = {
1215: 15884, 0, /* A=cyl 0 thru 16 */
1216: 66880, 17, /* B=cyl 17 thru 86 */
1217: 808320, 0, /* C=cyl 0 thru 841 */
1218: 15884, 391, /* D=cyl 391 thru 407 */
1219: 307200, 408, /* E=cyl 408 thru 727 */
1220: 109296, 728, /* F=cyl 728 thru 841 */
1221: 432816, 391, /* G=cyl 391 thru 841 */
1222: 291346, 87, /* H=cyl 87 thru 390 */
1223: }, ampex_sizes[8] = {
1224: 15884, 0, /* A=cyl 0 thru 26 */
1225: 33440, 27, /* B=cyl 27 thru 81 */
1226: 495520, 0, /* C=cyl 0 thru 814 */
1227: 15884, 562, /* D=cyl 562 thru 588 */
1228: 55936, 589, /* E=cyl 589 thru 680 */
1229: 81312, 681, /* F=cyl 681 thru 814 */
1230: 153664, 562, /* G=cyl 562 thru 814 */
1231: 291346, 82, /* H=cyl 82 thru 561 */
1232: }, fj2361_sizes[8] = {
1233: 15884, 0, /* A=cyl 0 thru 12 */
1234: 66880, 13, /* B=cyl 13 thru 65 */
1235: 1077760, 0, /* C=cyl 0 thru 841 */
1236: 15884, 294, /* D=cyl 294 thru 306 */
1237: 307200, 307, /* E=cyl 307 thru 546 */
1238: 377408, 547, /* F=cyl 547 thru 841 */
1239: 701248, 294, /* G=cyl 294 thru 841 */
1240: 291346, 66, /* H=cyl 66 thru 293 */
1241: }, fj2361a_sizes[8] = {
1242: 15884, 0, /* A=cyl 0 thru 11 */
1243: 66880, 12, /* B=cyl 12 thru 61 */
1244: 1145120, 0, /* C=cyl 0 thru 841 */
1245: 15884, 277, /* D=cyl 277 thru 288 */
1246: 307200, 289, /* E=cyl 289 thru 514 */
1247: 444516, 515, /* F=cyl 515 thru 841 */
1248: 768196, 277, /* G=cyl 277 thru 841 */
1249: 291346, 62, /* H=cyl 62 thru 276 */
1250: };
1251:
1252: /*
1253: * These variable are all measured in sectors.
1254: * Sdist is how much to "lead" in the search for a desired sector
1255: * (i.e. if want N, search for N-sdist.)
1256: * Maxdist and mindist define the region right before our desired sector within
1257: * which we don't bother searching. We don't search when we are already less
1258: * then maxdist and more than mindist sectors "before" our desired sector.
1259: * Maxdist should be >= sdist.
1260: *
1261: * Beware, sdist, mindist and maxdist are not well tuned
1262: * for many of the drives listed in this table.
1263: * Try patching things with something i/o intensive
1264: * running and watch iostat.
1265: *
1266: * The order of these entries must agree with the indices in hptypes[].
1267: */
1268: struct hpst {
1269: short nsect; /* # sectors/track */
1270: short ntrak; /* # tracks/cylinder */
1271: short nspc; /* # sector/cylinders */
1272: short ncyl; /* # cylinders */
1273: struct size *sizes; /* partition tables */
1274: short sdist; /* seek distance metric */
1275: short maxdist; /* boundaries of non-searched area */
1276: short mindist; /* preceding the target sector */
1277: char *name; /* name of disk type */
1278: } hpst[] = {
1279: { 32, 5, 32*5, 823, rm03_sizes, 7, 4, 1, "RM03" },
1280: { 32, 19, 32*19, 823, rm05_sizes, 7, 4, 1, "RM05" },
1281: { 22,19, 22*19, 815, rp06_sizes, 7, 4, 1, "RP06"},
1282: { 31, 14, 31*14, 559, rm80_sizes, 7, 4, 1, "RM80"},
1283: { 22, 19, 22*19, 411, rp05_sizes, 7, 4, 1, "RP04"},
1284: { 22, 19, 22*19, 411, rp05_sizes, 7, 4, 1, "RP05"},
1285: { 50, 32, 50*32, 630, rp07_sizes, 15, 8, 3, "RP07"},
1286: { 1, 1, 1, 1, 0, 0, 0, 0, "ML11A"},
1287: { 1, 1, 1, 1, 0, 0, 0, 0, "ML11B" },
1288: { 32, 40, 32*40, 843, cdc9775_sizes, 7, 4, 1, "9775" },
1289: { 32, 10, 32*10, 823, cdc9730_sizes, 7, 4, 1, "9730-160" },
1290: { 32, 16, 32*16, 1024, capricorn_sizes,10,4, 3, "capricorn" },
1291: { 48, 20, 48*20, 842, eagle_sizes, 15, 8, 3, "eagle" },
1292: { 32, 19, 32*19, 815, ampex_sizes, 7, 4, 1, "9300" },
1293: { 64, 20, 64*20, 842, fj2361_sizes, 15, 8, 3, "2361" },
1294: { 68, 20, 68*20, 842, fj2361a_sizes, 15, 8, 3, "2361a" },
1295: };
1296:
1297: /*
1298: * Map apparent MASSBUS drive type into manufacturer
1299: * specific configuration. For SI controllers this is done
1300: * based on codes in the serial number register. For
1301: * EMULEX controllers, the track and sector attributes are
1302: * used when the drive type is an RM02 (not supported by DEC).
1303: */
1304: hpmaptype(mi, lp)
1305: register struct mba_device *mi;
1306: register struct disklabel *lp;
1307: {
1308: register struct hpdevice *hpaddr = (struct hpdevice *)mi->mi_drv;
1309: register int type = mi->mi_type;
1310: register struct hpst *st;
1311: register i;
1312:
1313: /*
1314: * Model-byte processing for SI controllers.
1315: * NB: Only deals with RM03 and RM05 emulations.
1316: */
1317: if (type == HPDT_RM03 || type == HPDT_RM05) {
1318: int hpsn = hpaddr->hpsn;
1319:
1320: if ((hpsn & SIMB_LU) == mi->mi_drive)
1321: switch ((hpsn & SIMB_MB) & ~(SIMB_S6|SIRM03|SIRM05)) {
1322:
1323: case SI9775D:
1324: type = HPDT_9775;
1325: break;
1326:
1327: case SI9730D:
1328: type = HPDT_9730;
1329: break;
1330:
1331: case SI9766:
1332: type = HPDT_RM05;
1333: break;
1334:
1335: case SI9762:
1336: type = HPDT_RM03;
1337: break;
1338:
1339: case SICAPD:
1340: type = HPDT_CAPRICORN;
1341: break;
1342:
1343: case SI9751D:
1344: type = HPDT_EAGLE;
1345: break;
1346: }
1347: mi->mi_type = type;
1348: }
1349:
1350: /*
1351: * EMULEX SC750 or SC780. Poke the holding register.
1352: */
1353: if (type == HPDT_RM02) {
1354: int nsectors, ntracks, ncyl;
1355:
1356: hpaddr->hpof = HPOF_FMT22;
1357: mbclrattn(mi);
1358: hpaddr->hpcs1 = HP_NOP;
1359: hpaddr->hphr = HPHR_MAXTRAK;
1360: ntracks = MASKREG(hpaddr->hphr) + 1;
1361: DELAY(100);
1362: hpaddr->hpcs1 = HP_NOP;
1363: hpaddr->hphr = HPHR_MAXSECT;
1364: nsectors = MASKREG(hpaddr->hphr) + 1;
1365: DELAY(100);
1366: hpaddr->hpcs1 = HP_NOP;
1367: hpaddr->hphr = HPHR_MAXCYL;
1368: ncyl = MASKREG(hpaddr->hphr) + 1;
1369: for (type = 0; hptypes[type] != 0; type++)
1370: if (hpst[type].nsect == nsectors &&
1371: hpst[type].ntrak == ntracks &&
1372: hpst[type].ncyl == ncyl)
1373: break;
1374:
1375: hpaddr->hpcs1 = HP_DCLR|HP_GO;
1376: mbclrattn(mi); /* conservative */
1377: if (hptypes[type] == 0) {
1378: printf("hp%d: %d sectors, %d tracks, %d cylinders: unknown device\n",
1379: mi->mi_unit, nsectors, ntracks, ncyl);
1380: lp->d_nsectors = nsectors;
1381: lp->d_ntracks = ntracks;
1382: lp->d_ncylinders = ncyl;
1383: lp->d_secpercyl = nsectors*ntracks;
1384: lp->d_secperunit = lp->d_secpercyl * lp->d_ncylinders;
1385: #ifdef notdef /* set elsewhere */
1386: lp->d_npartitions = 1;
1387: lp->d_partitions[0].p_offset = 0;
1388: #endif
1389: lp->d_partitions[0].p_size = lp->d_secperunit;
1390: return (0);
1391: }
1392: mi->mi_type = type;
1393: }
1394:
1395: /*
1396: * set up minimal disk label.
1397: */
1398: st = &hpst[type];
1399: lp->d_nsectors = st->nsect;
1400: lp->d_ntracks = st->ntrak;
1401: lp->d_secpercyl = st->nspc;
1402: lp->d_ncylinders = st->ncyl;
1403: lp->d_secperunit = st->nspc * st->ncyl;
1404: lp->d_sdist = st->sdist;
1405: lp->d_mindist = st->mindist;
1406: lp->d_maxdist = st->maxdist;
1407: bcopy(hpst[type].name, lp->d_typename, sizeof(lp->d_typename));
1408: lp->d_npartitions = 8;
1409: for (i = 0; i < 8; i++) {
1410: lp->d_partitions[i].p_offset = st->sizes[i].cyloff *
1411: lp->d_secpercyl;
1412: lp->d_partitions[i].p_size = st->sizes[i].nblocks;
1413: }
1414: return (1);
1415: }
1416: #endif COMPAT_42
1417: #endif
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