670 lines
17 KiB
C
670 lines
17 KiB
C
/* $NetBSD: bad144.c,v 1.27 2009/04/16 06:27:43 lukem Exp $ */
|
|
|
|
/*
|
|
* Copyright (c) 1980, 1986, 1988, 1993
|
|
* The Regents of the University of California. All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. Neither the name of the University nor the names of its contributors
|
|
* may be used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*/
|
|
|
|
#include <sys/cdefs.h>
|
|
#ifndef lint
|
|
__COPYRIGHT("@(#) Copyright (c) 1980, 1986, 1988, 1993\
|
|
The Regents of the University of California. All rights reserved.");
|
|
#endif /* not lint */
|
|
|
|
#ifndef lint
|
|
#if 0
|
|
static char sccsid[] = "@(#)bad144.c 8.2 (Berkeley) 4/27/95";
|
|
#else
|
|
__RCSID("$NetBSD: bad144.c,v 1.27 2009/04/16 06:27:43 lukem Exp $");
|
|
#endif
|
|
#endif /* not lint */
|
|
|
|
/*
|
|
* bad144
|
|
*
|
|
* This program prints and/or initializes a bad block record for a pack,
|
|
* in the format used by the DEC standard 144.
|
|
* It can also add bad sector(s) to the record, moving the sector
|
|
* replacements as necessary.
|
|
*
|
|
* It is preferable to write the bad information with a standard formatter,
|
|
* but this program will do.
|
|
*
|
|
* RP06 sectors are marked as bad by inverting the format bit in the
|
|
* header; on other drives the valid-sector bit is cleared.
|
|
*/
|
|
#include <sys/param.h>
|
|
#include <sys/dkbad.h>
|
|
#include <sys/ioctl.h>
|
|
#include <sys/file.h>
|
|
#include <sys/disklabel.h>
|
|
#include <ufs/ufs/dinode.h>
|
|
#include <ufs/ffs/fs.h>
|
|
|
|
#include <err.h>
|
|
#include <paths.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <unistd.h>
|
|
#include <util.h>
|
|
|
|
#define RETRIES 10 /* number of retries on reading old sectors */
|
|
|
|
#ifdef __vax__
|
|
int fflag;
|
|
#endif
|
|
int add, copy, verbose, nflag;
|
|
int dups;
|
|
int badfile = -1; /* copy of badsector table to use, -1 if any */
|
|
#define MAXSECSIZE 1024
|
|
struct dkbad curbad, oldbad;
|
|
#define DKBAD_MAGIC 0x4321
|
|
|
|
daddr_t size;
|
|
struct disklabel *dp;
|
|
struct disklabel label;
|
|
char diskname[MAXPATHLEN];
|
|
|
|
daddr_t badsn(const struct bt_bad *);
|
|
int blkcopy(int, daddr_t, daddr_t);
|
|
void blkzero(int, daddr_t);
|
|
int checkold(void);
|
|
int compare(const void *, const void *);
|
|
daddr_t getold(int, struct dkbad *);
|
|
int main(int, char **);
|
|
void shift(int, int, int);
|
|
void usage(void);
|
|
|
|
#ifdef __vax__
|
|
#define OPTSTRING "01234acfvn"
|
|
#else
|
|
#define OPTSTRING "01234acvn"
|
|
#endif
|
|
|
|
int
|
|
main(int argc, char *argv[])
|
|
{
|
|
struct bt_bad *bt;
|
|
daddr_t sn, bn[NBT_BAD];
|
|
int i, f, nbad, new, bad, errs, ch;
|
|
|
|
while ((ch = getopt(argc, argv, OPTSTRING)) != -1) {
|
|
switch (ch) {
|
|
case '0':
|
|
case '1':
|
|
case '2':
|
|
case '3':
|
|
case '4':
|
|
badfile = ch - '0';
|
|
break;
|
|
case 'a':
|
|
add = 1;
|
|
break;
|
|
case 'c':
|
|
copy = 1;
|
|
break;
|
|
#ifdef __vax__
|
|
case 'f':
|
|
fflag = 1;
|
|
break;
|
|
#endif
|
|
case 'n':
|
|
nflag = 1;
|
|
/* FALLTHROUGH */
|
|
case 'v':
|
|
verbose = 1;
|
|
break;
|
|
case '?':
|
|
default:
|
|
usage();
|
|
}
|
|
}
|
|
|
|
argc -= optind;
|
|
argv += optind;
|
|
|
|
if (argc < 1) {
|
|
usage();
|
|
}
|
|
f = opendisk(argv[0], argc == 1 ? O_RDONLY : O_RDWR, diskname,
|
|
sizeof(diskname), 0);
|
|
if (f < 0)
|
|
err(4, "opendisk `%s'", diskname);
|
|
/* obtain label and adjust to fit */
|
|
dp = &label;
|
|
if (ioctl(f, DIOCGDINFO, dp) < 0)
|
|
err(4, "ioctl DIOCGDINFO `%s'", diskname);
|
|
if (dp->d_magic != DISKMAGIC || dp->d_magic2 != DISKMAGIC
|
|
/* dkcksum(lp) != 0 */ )
|
|
errx(1, "Bad pack magic number (pack is unlabeled)");
|
|
if (dp->d_secsize > MAXSECSIZE || dp->d_secsize == 0)
|
|
errx(7, "Disk sector size too large/small (%d)",
|
|
dp->d_secsize);
|
|
#ifdef __i386__
|
|
if (dp->d_type == DTYPE_SCSI)
|
|
errx(1, "SCSI disks don't use bad144!");
|
|
/* are we inside a DOS partition? */
|
|
if (dp->d_partitions[0].p_offset) {
|
|
/* yes, rules change. assume bad tables at end of partition C,
|
|
which maps all of DOS partition we are within -wfj */
|
|
size = dp->d_partitions[2].p_offset + dp->d_partitions[2].p_size;
|
|
}
|
|
#endif
|
|
size = dp->d_nsectors * dp->d_ntracks * dp->d_ncylinders;
|
|
argc--;
|
|
argv++;
|
|
if (argc == 0) {
|
|
sn = getold(f, &oldbad);
|
|
printf("bad block information at sector %lld in %s:\n",
|
|
(long long)sn, diskname);
|
|
printf("cartridge serial number: %d(10)\n", oldbad.bt_csn);
|
|
switch (oldbad.bt_flag) {
|
|
|
|
case (u_short)-1:
|
|
printf("alignment cartridge\n");
|
|
break;
|
|
|
|
case DKBAD_MAGIC:
|
|
break;
|
|
|
|
default:
|
|
printf("bt_flag=%x(16)?\n", oldbad.bt_flag);
|
|
break;
|
|
}
|
|
bt = oldbad.bt_bad;
|
|
for (i = 0; i < NBT_BAD; i++) {
|
|
bad = (bt->bt_cyl<<16) + bt->bt_trksec;
|
|
if (bad < 0)
|
|
break;
|
|
printf("sn=%lld, cn=%d, tn=%d, sn=%d\n",
|
|
(long long)badsn(bt),
|
|
bt->bt_cyl, bt->bt_trksec>>8, bt->bt_trksec&0xff);
|
|
bt++;
|
|
}
|
|
(void) checkold();
|
|
exit(0);
|
|
}
|
|
if (add) {
|
|
/*
|
|
* Read in the old badsector table.
|
|
* Verify that it makes sense, and the bad sectors
|
|
* are in order. Copy the old table to the new one.
|
|
*/
|
|
(void) getold(f, &oldbad);
|
|
i = checkold();
|
|
if (verbose)
|
|
printf("Had %d bad sectors, adding %d\n", i, argc);
|
|
if (i + argc > NBT_BAD) {
|
|
printf("bad144: not enough room for %d more sectors\n",
|
|
argc);
|
|
printf("limited to %d by information format\n",
|
|
NBT_BAD);
|
|
exit(1);
|
|
}
|
|
curbad = oldbad;
|
|
} else {
|
|
curbad.bt_csn = atoi(*argv++);
|
|
argc--;
|
|
curbad.bt_mbz = 0;
|
|
curbad.bt_flag = DKBAD_MAGIC;
|
|
if (argc > NBT_BAD) {
|
|
printf("bad144: too many bad sectors specified\n");
|
|
printf("limited to %d by information format\n",
|
|
NBT_BAD);
|
|
exit(1);
|
|
}
|
|
i = 0;
|
|
}
|
|
errs = 0;
|
|
new = argc;
|
|
while (argc > 0) {
|
|
sn = atoi(*argv++);
|
|
argc--;
|
|
if (sn < 0 || sn >= size) {
|
|
printf("%lld: out of range [0,%lld) for disk %s\n",
|
|
(long long)sn, (long long)size, dp->d_typename);
|
|
errs++;
|
|
continue;
|
|
}
|
|
bn[i] = sn;
|
|
curbad.bt_bad[i].bt_cyl = sn / (dp->d_nsectors*dp->d_ntracks);
|
|
sn %= (dp->d_nsectors*dp->d_ntracks);
|
|
curbad.bt_bad[i].bt_trksec =
|
|
((sn/dp->d_nsectors) << 8) + (sn%dp->d_nsectors);
|
|
i++;
|
|
}
|
|
if (errs)
|
|
exit(1);
|
|
nbad = i;
|
|
while (i < NBT_BAD) {
|
|
curbad.bt_bad[i].bt_trksec = -1;
|
|
curbad.bt_bad[i].bt_cyl = -1;
|
|
i++;
|
|
}
|
|
if (add) {
|
|
/*
|
|
* Sort the new bad sectors into the list.
|
|
* Then shuffle the replacement sectors so that
|
|
* the previous bad sectors get the same replacement data.
|
|
*/
|
|
qsort((char *)curbad.bt_bad, nbad, sizeof (struct bt_bad),
|
|
compare);
|
|
if (dups)
|
|
errx(3, "bad sectors have been duplicated; "
|
|
"can't add existing sectors");
|
|
shift(f, nbad, nbad-new);
|
|
}
|
|
if (badfile == -1)
|
|
i = 0;
|
|
else
|
|
i = badfile * 2;
|
|
for (; i < 10 && i < (int)dp->d_nsectors; i += 2) {
|
|
if (lseek(f,
|
|
(off_t)(dp->d_secsize * (size - dp->d_nsectors + i)),
|
|
SEEK_SET) < 0)
|
|
err(4, "lseek");
|
|
if (verbose)
|
|
printf("write badsect file at %lld\n",
|
|
(long long)size - dp->d_nsectors + i);
|
|
if (nflag == 0 && write(f, (caddr_t)&curbad, sizeof(curbad)) !=
|
|
sizeof(curbad))
|
|
err(4, "write bad sector file %d", i/2);
|
|
if (badfile != -1)
|
|
break;
|
|
}
|
|
#ifdef __vax__
|
|
if (nflag == 0 && fflag)
|
|
for (i = nbad - new; i < nbad; i++)
|
|
format(f, bn[i]);
|
|
#endif
|
|
#ifdef DIOCSBAD
|
|
if (nflag == 0 && ioctl(f, DIOCSBAD, (caddr_t)&curbad) < 0)
|
|
warnx("Can't sync bad-sector file; reboot for changes "
|
|
"to take effect");
|
|
#endif
|
|
if ((dp->d_flags & D_BADSECT) == 0 && nflag == 0) {
|
|
dp->d_flags |= D_BADSECT;
|
|
if (ioctl(f, DIOCWDINFO, dp) < 0) {
|
|
warn("label");
|
|
errx(1,
|
|
"Can't write label to enable bad sector handling");
|
|
}
|
|
}
|
|
return (0);
|
|
}
|
|
|
|
daddr_t
|
|
getold(int f, struct dkbad *bad)
|
|
{
|
|
int i;
|
|
daddr_t sn;
|
|
|
|
if (badfile == -1)
|
|
i = 0;
|
|
else
|
|
i = badfile * 2;
|
|
for (; i < 10 && i < (int)dp->d_nsectors; i += 2) {
|
|
sn = size - dp->d_nsectors + i;
|
|
if (lseek(f, (off_t)(sn * dp->d_secsize), SEEK_SET) < 0)
|
|
err(4, "lseek");
|
|
if ((size_t)read(f, (char *) bad, dp->d_secsize) == dp->d_secsize) {
|
|
if (i > 0)
|
|
printf("Using bad-sector file %d\n", i/2);
|
|
return(sn);
|
|
}
|
|
warn("read bad sector file at sn %lld", (long long)sn);
|
|
if (badfile != -1)
|
|
break;
|
|
}
|
|
errx(1, "%s: can't read bad block info", diskname);
|
|
/*NOTREACHED*/
|
|
}
|
|
|
|
int
|
|
checkold(void)
|
|
{
|
|
int i;
|
|
struct bt_bad *bt;
|
|
daddr_t sn, lsn;
|
|
int errors = 0, warned = 0;
|
|
|
|
lsn = 0;
|
|
if (oldbad.bt_flag != DKBAD_MAGIC) {
|
|
warnx("%s: bad flag in bad-sector table", diskname);
|
|
errors++;
|
|
}
|
|
if (oldbad.bt_mbz != 0) {
|
|
warnx("%s: bad magic number", diskname);
|
|
errors++;
|
|
}
|
|
bt = oldbad.bt_bad;
|
|
for (i = 0; i < NBT_BAD; i++, bt++) {
|
|
if (bt->bt_cyl == 0xffff && bt->bt_trksec == 0xffff)
|
|
break;
|
|
if ((bt->bt_cyl >= dp->d_ncylinders) ||
|
|
((bt->bt_trksec >> 8) >= dp->d_ntracks) ||
|
|
((bt->bt_trksec & 0xff) >= dp->d_nsectors)) {
|
|
warnx("cyl/trk/sect out of range in existing entry: "
|
|
"sn=%lld, cn=%d, tn=%d, sn=%d",
|
|
(long long)badsn(bt), bt->bt_cyl, bt->bt_trksec>>8,
|
|
bt->bt_trksec & 0xff);
|
|
errors++;
|
|
}
|
|
sn = (bt->bt_cyl * dp->d_ntracks +
|
|
(bt->bt_trksec >> 8)) *
|
|
dp->d_nsectors + (bt->bt_trksec & 0xff);
|
|
if (i > 0 && sn < lsn && !warned) {
|
|
warnx("bad sector file is out of order");
|
|
errors++;
|
|
warned++;
|
|
}
|
|
if (i > 0 && sn == lsn) {
|
|
warnx("bad sector file contains duplicates (sn %lld)",
|
|
(long long)sn);
|
|
errors++;
|
|
}
|
|
lsn = sn;
|
|
}
|
|
if (errors)
|
|
exit(1);
|
|
return (i);
|
|
}
|
|
|
|
/*
|
|
* Move the bad sector replacements
|
|
* to make room for the new bad sectors.
|
|
* new is the new number of bad sectors, old is the previous count.
|
|
*/
|
|
void
|
|
shift(int f, int new, int old)
|
|
{
|
|
daddr_t repl;
|
|
|
|
/*
|
|
* First replacement is last sector of second-to-last track.
|
|
*/
|
|
repl = size - dp->d_nsectors - 1;
|
|
new--; old--;
|
|
while (new >= 0 && new != old) {
|
|
if (old < 0 ||
|
|
compare(&curbad.bt_bad[new], &oldbad.bt_bad[old]) > 0) {
|
|
/*
|
|
* Insert new replacement here-- copy original
|
|
* sector if requested and possible,
|
|
* otherwise write a zero block.
|
|
*/
|
|
if (!copy ||
|
|
!blkcopy(f, badsn(&curbad.bt_bad[new]), repl - new))
|
|
blkzero(f, repl - new);
|
|
} else {
|
|
if (blkcopy(f, repl - old, repl - new) == 0)
|
|
warnx("Can't copy replacement sector %lld to %lld",
|
|
(long long)repl-old, (long long)repl-new);
|
|
old--;
|
|
}
|
|
new--;
|
|
}
|
|
}
|
|
|
|
char *buf;
|
|
|
|
/*
|
|
* Copy disk sector s1 to s2.
|
|
*/
|
|
int
|
|
blkcopy(int f, daddr_t s1, daddr_t s2)
|
|
{
|
|
int tries, n;
|
|
|
|
if (buf == (char *)NULL) {
|
|
buf = malloc((unsigned)dp->d_secsize);
|
|
if (buf == (char *)NULL)
|
|
errx(20, "Out of memory");
|
|
}
|
|
for (tries = 0; tries < RETRIES; tries++) {
|
|
if (lseek(f, (off_t)(dp->d_secsize * s1), SEEK_SET) < 0)
|
|
err(4, "lseek");
|
|
if ((size_t)(n = read(f, buf, dp->d_secsize)) == dp->d_secsize)
|
|
break;
|
|
}
|
|
if ((size_t)n != dp->d_secsize) {
|
|
if (n < 0)
|
|
err(4, "can't read sector, %lld", (long long)s1);
|
|
else
|
|
errx(4, "can't read sector, %lld", (long long)s1);
|
|
return(0);
|
|
}
|
|
if (lseek(f, (off_t)(dp->d_secsize * s2), SEEK_SET) < 0)
|
|
err(4, "lseek");
|
|
if (verbose)
|
|
printf("copying %lld to %lld\n", (long long)s1, (long long)s2);
|
|
if (nflag == 0 && (size_t)write(f, buf, dp->d_secsize) != dp->d_secsize) {
|
|
warn("can't write replacement sector, %lld", (long long)s2);
|
|
return(0);
|
|
}
|
|
return(1);
|
|
}
|
|
|
|
void
|
|
blkzero(int f, daddr_t sn)
|
|
{
|
|
char *zbuf;
|
|
|
|
zbuf = calloc(1, (unsigned int)dp->d_secsize);
|
|
if (zbuf == NULL)
|
|
errx(20, "Out of memory");
|
|
if (lseek(f, (off_t)(dp->d_secsize * sn), SEEK_SET) < 0) {
|
|
free(zbuf);
|
|
err(4, "lseek");
|
|
}
|
|
if (verbose)
|
|
printf("zeroing %lld\n", (long long)sn);
|
|
if (nflag == 0 && (size_t)write(f, zbuf, dp->d_secsize) != dp->d_secsize)
|
|
warn("can't write replacement sector, %lld",
|
|
(long long)sn);
|
|
free(zbuf);
|
|
}
|
|
|
|
int
|
|
compare(const void *v1, const void *v2)
|
|
{
|
|
const struct bt_bad *b1 = v1;
|
|
const struct bt_bad *b2 = v2;
|
|
|
|
if (b1->bt_cyl > b2->bt_cyl)
|
|
return(1);
|
|
if (b1->bt_cyl < b2->bt_cyl)
|
|
return(-1);
|
|
if (b1->bt_trksec == b2->bt_trksec)
|
|
dups++;
|
|
return (b1->bt_trksec - b2->bt_trksec);
|
|
}
|
|
|
|
daddr_t
|
|
badsn(const struct bt_bad *bt)
|
|
{
|
|
|
|
return ((bt->bt_cyl * dp->d_ntracks
|
|
+ (bt->bt_trksec >> 8)) * dp->d_nsectors
|
|
+ (bt->bt_trksec & 0xff));
|
|
}
|
|
|
|
#ifdef __vax__
|
|
|
|
struct rp06hdr {
|
|
short h_cyl;
|
|
short h_trksec;
|
|
short h_key1;
|
|
short h_key2;
|
|
char h_data[512];
|
|
#define RP06_FMT 010000 /* 1 == 16 bit, 0 == 18 bit */
|
|
};
|
|
|
|
/*
|
|
* Most massbus and unibus drives
|
|
* have headers of this form
|
|
*/
|
|
struct hpuphdr {
|
|
u_short hpup_cyl;
|
|
u_char hpup_sect;
|
|
u_char hpup_track;
|
|
char hpup_data[512];
|
|
#define HPUP_OKSECT 0xc000 /* this normally means sector is good */
|
|
#define HPUP_16BIT 0x1000 /* 1 == 16 bit format */
|
|
};
|
|
int rp06format(struct formats *, struct disklabel *, daddr_t, char *, int);
|
|
int hpupformat(struct formats *, struct disklabel *, daddr_t, char *, int);
|
|
|
|
struct formats {
|
|
char *f_name; /* disk name */
|
|
int f_bufsize; /* size of sector + header */
|
|
int f_bic; /* value to bic in hpup_cyl */
|
|
int (*f_routine)(); /* routine for special handling */
|
|
} formats[] = {
|
|
{ "rp06", sizeof (struct rp06hdr), RP06_FMT, rp06format },
|
|
{ "eagle", sizeof (struct hpuphdr), HPUP_OKSECT, hpupformat },
|
|
{ "capricorn", sizeof (struct hpuphdr), HPUP_OKSECT, hpupformat },
|
|
{ "rm03", sizeof (struct hpuphdr), HPUP_OKSECT, hpupformat },
|
|
{ "rm05", sizeof (struct hpuphdr), HPUP_OKSECT, hpupformat },
|
|
{ "9300", sizeof (struct hpuphdr), HPUP_OKSECT, hpupformat },
|
|
{ "9766", sizeof (struct hpuphdr), HPUP_OKSECT, hpupformat },
|
|
{ 0, 0, 0, 0 }
|
|
};
|
|
|
|
/*ARGSUSED*/
|
|
int
|
|
hpupformat(struct formats *fp, struct disklabel *dp, daddr_t blk, char *buf,
|
|
int count)
|
|
{
|
|
struct hpuphdr *hdr = (struct hpuphdr *)buf;
|
|
int sect;
|
|
|
|
if (count < sizeof(struct hpuphdr)) {
|
|
hdr->hpup_cyl = (HPUP_OKSECT | HPUP_16BIT) |
|
|
(blk / (dp->d_nsectors * dp->d_ntracks));
|
|
sect = blk % (dp->d_nsectors * dp->d_ntracks);
|
|
hdr->hpup_track = (u_char)(sect / dp->d_nsectors);
|
|
hdr->hpup_sect = (u_char)(sect % dp->d_nsectors);
|
|
}
|
|
return (0);
|
|
}
|
|
|
|
/*ARGSUSED*/
|
|
int
|
|
rp06format(struct formats *fp, struct disklabel *dp, daddr_t blk, char *buf,
|
|
int count)
|
|
{
|
|
|
|
if (count < sizeof(struct rp06hdr)) {
|
|
warnx("Can't read header on blk %d, can't reformat", blk);
|
|
return (-1);
|
|
}
|
|
return (0);
|
|
}
|
|
|
|
void
|
|
format(int fd, daddr_t blk)
|
|
{
|
|
struct formats *fp;
|
|
static char *buf;
|
|
static char bufsize;
|
|
struct format_op fop;
|
|
int n;
|
|
|
|
for (fp = formats; fp->f_name; fp++)
|
|
if (strcmp(dp->d_typename, fp->f_name) == 0)
|
|
break;
|
|
if (fp->f_name == 0)
|
|
errx(2, "don't know how to format %s disks", dp->d_typename);
|
|
if (buf && bufsize < fp->f_bufsize) {
|
|
free(buf);
|
|
buf = NULL;
|
|
}
|
|
if (buf == NULL)
|
|
buf = malloc((unsigned)fp->f_bufsize);
|
|
if (buf == NULL)
|
|
errx(3, "can't allocate sector buffer");
|
|
bufsize = fp->f_bufsize;
|
|
/*
|
|
* Here we do the actual formatting. All we really
|
|
* do is rewrite the sector header and flag the bad sector
|
|
* according to the format table description. If a special
|
|
* purpose format routine is specified, we allow it to
|
|
* process the sector as well.
|
|
*/
|
|
if (verbose)
|
|
printf("format blk %d\n", blk);
|
|
memset((char *)&fop, 0, sizeof(fop));
|
|
fop.df_buf = buf;
|
|
fop.df_count = fp->f_bufsize;
|
|
fop.df_startblk = blk;
|
|
memset(buf, 0, fp->f_bufsize);
|
|
if (ioctl(fd, DIOCRFORMAT, &fop) < 0)
|
|
warn("read format");
|
|
if (fp->f_routine &&
|
|
(*fp->f_routine)(fp, dp, blk, buf, fop.df_count) != 0)
|
|
return;
|
|
if (fp->f_bic) {
|
|
struct hpuphdr *xp = (struct hpuphdr *)buf;
|
|
|
|
xp->hpup_cyl &= ~fp->f_bic;
|
|
}
|
|
if (nflag)
|
|
return;
|
|
memset((char *)&fop, 0, sizeof(fop));
|
|
fop.df_buf = buf;
|
|
fop.df_count = fp->f_bufsize;
|
|
fop.df_startblk = blk;
|
|
if (ioctl(fd, DIOCWFORMAT, &fop) < 0)
|
|
err(4, "write format");
|
|
if (fop.df_count != fp->f_bufsize)
|
|
warn("write format %d", blk);
|
|
}
|
|
#endif
|
|
|
|
void
|
|
usage(void)
|
|
{
|
|
|
|
fprintf(stderr, "usage: bad144 [-%sv] disk [sno [bad ...]]\n"
|
|
"to read or overwrite the bad-sector table, e.g.: bad144 hp0\n"
|
|
"or bad144 -a [-c%sv] disk [bad ...]\n"
|
|
"where options are:\n"
|
|
"\t-a add new bad sectors to the table\n"
|
|
"\t-c copy original sector to replacement\n"
|
|
"%s"
|
|
"\t-v verbose mode\n",
|
|
#ifdef __vax__
|
|
"f", "f", "\t-f reformat listed sectors as bad\n"
|
|
#else
|
|
"", "", ""
|
|
#endif
|
|
);
|
|
exit(1);
|
|
}
|