348 lines
9.2 KiB
C
348 lines
9.2 KiB
C
/* $NetBSD: fdformat.c,v 1.12 2004/04/23 15:04:27 christos Exp $ */
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/*-
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* Copyright (c) 1996, 1997 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by John Kohl.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the NetBSD
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* Foundation, Inc. and its contributors.
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* 4. Neither the name of The NetBSD Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* fdformat: format a floppy diskette, using interface provided in
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* <sys/fdio.h>
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*/
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#include <sys/cdefs.h>
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#ifndef lint
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__RCSID("$NetBSD: fdformat.c,v 1.12 2004/04/23 15:04:27 christos Exp $");
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#endif
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#include <sys/types.h>
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#include <sys/fdio.h>
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#include <sys/ioctl.h>
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#include <err.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <limits.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include "pathnames.h"
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static const char *fdb_array[2] = {_PATH_FLOPPYTAB, 0};
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#define MASK_NBPS 0x0001
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#define MASK_NCYL 0x0002
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#define MASK_NSPT 0x0004
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#define MASK_NTRK 0x0008
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#define MASK_STEPSPERCYL 0x0010
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#define MASK_GAPLEN 0x0020
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#define MASK_FILLBYTE 0x0040
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#define MASK_XFER_RATE 0x0080
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#define MASK_INTERLEAVE 0x0100
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#define ALLPARMS (MASK_NBPS|MASK_NCYL|MASK_NSPT|MASK_NTRK|MASK_STEPSPERCYL|MASK_GAPLEN|MASK_FILLBYTE|MASK_XFER_RATE|MASK_INTERLEAVE)
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static int confirm(int);
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static void usage(void) __attribute__((__noreturn__));
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static int verify_track(int, int, int, struct fdformat_parms *, char *);
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static int wincolsize(void);
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int main(int, char **);
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static int
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confirm(int def)
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{
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int ch;
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(void)printf(" Yes/no [%c]?", def ? 'y' : 'n');
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ch = getchar();
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switch (ch) {
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case 'y':
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case 'Y':
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return 1;
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case '\n':
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return def;
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case EOF:
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case 'n':
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case 'N':
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default:
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return 0;
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}
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}
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static int
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verify_track(int fd, int cyl, int trk, struct fdformat_parms *parms, char *buf)
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{
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size_t tracksize;
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off_t offset;
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tracksize = parms->nbps * parms->nspt; /* bytes per track */
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offset = tracksize * (cyl * parms->ntrk + trk); /* track offset */
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if (lseek(fd, offset, SEEK_SET) == (off_t) -1) {
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(void)putchar('E');
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return 1;
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}
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if (read(fd, buf, tracksize) != tracksize) {
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(void)putchar('E');
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return 1;
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} else
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(void)putchar('V');
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return 0;
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}
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static void
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usage(void)
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{
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(void)fprintf(stderr,
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"Usage: %s [-f device] [-t type] [-n] [-B nbps] [-S nspt]\n"
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"\t[-T ntrk] [-C ncyl] [-P stepspercyl] [-G gaplen]\n"
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"\t[-F fillbyte] [-X xfer_rate] [-I interleave]\n", getprogname());
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exit(1);
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}
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static int
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wincolsize(void)
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{
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struct winsize win;
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if (ioctl(STDIN_FILENO, TIOCGWINSZ, &win) == -1) {
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warn("TIOCGWINSZ");
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return 80;
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}
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return win.ws_col;
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}
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#define numarg(which, maskn, op) \
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do { \
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tmplong = strtol(optarg, &tmpcharp, 0); \
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if (*tmpcharp != '\0' || tmplong op 0) \
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errx(1, \
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"Invalid numerical argument `%s' for " \
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# which, optarg); \
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if (errno == ERANGE && (tmplong == LONG_MIN || \
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tmplong == LONG_MAX)) \
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err(1, \
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"Bad numerical argument `%s' for " \
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# which, optarg); \
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parms.which = tmplong; \
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parmmask |= MASK_##maskn; \
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} while (/* CONSTCOND */0)
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#define getparm(structname, maskname) \
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do { \
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if (cgetnum(fdbuf, # structname, &tmplong) == -1) \
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errx(1, "Parameter " # structname \
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" missing for type `%s'", optarg); \
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parms.structname = tmplong; \
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parmmask |= MASK_ ## maskname; \
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} while (/* CONSTCOND */0)
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#define copyparm(which, mask) \
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if ((parmmask & MASK_##mask) == 0) \
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parms.which = fetchparms.which
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int
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main(int argc, char *argv[])
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{
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char *fdbuf = NULL, *trackbuf = NULL;
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int errcnt = 0;
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int verify = 1;
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int ch;
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long tmplong;
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int tmpint;
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char *tmpcharp;
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int parmmask = 0;
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struct fdformat_parms parms, fetchparms;
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struct fdformat_cmd cmd;
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const char *filename = _PATH_FLOPPY_DEV;
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int fd;
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int trk, cyl;
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int colcnt = 0;
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int colsize = wincolsize();
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while ((ch = getopt(argc, argv, "f:t:nB:C:S:T:P:G:F:X:I:")) != -1)
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switch (ch) {
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case 't': /* disk type */
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switch (cgetent(&fdbuf, fdb_array, optarg)) {
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case 0:
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break;
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case 1:
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case -3:
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errx(1, "tc= loop or missing entry entry in "
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_PATH_FLOPPYTAB " for type %s", optarg);
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break;
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case -1:
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errx(1, "Unknown floppy disk type %s", optarg);
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break;
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default:
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err(1, "Problem accessing " _PATH_FLOPPYTAB);
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break;
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}
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getparm(nbps, NBPS);
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getparm(ncyl, NCYL);
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getparm(nspt, NSPT);
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getparm(ntrk, NTRK);
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getparm(stepspercyl, STEPSPERCYL);
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getparm(gaplen, GAPLEN);
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getparm(fillbyte, FILLBYTE);
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getparm(xfer_rate, XFER_RATE);
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getparm(interleave, INTERLEAVE);
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break;
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case 'f': /* device name */
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filename = optarg;
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break;
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case 'n': /* no verify */
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verify = 0;
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break;
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case 'B':
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numarg(nbps, NBPS, <=);
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break;
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case 'C':
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numarg(ncyl, NCYL, <=);
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break;
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case 'S':
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numarg(nspt, NSPT, <=);
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break;
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case 'T':
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numarg(ntrk, NTRK, <=);
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break;
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case 'P':
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numarg(stepspercyl, STEPSPERCYL, <=);
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break;
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case 'G':
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numarg(gaplen, GAPLEN, <=);
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break;
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case 'F':
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numarg(fillbyte, FILLBYTE, <);
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break;
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case 'X':
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numarg(xfer_rate, XFER_RATE, <=);
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break;
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case 'I':
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numarg(interleave, INTERLEAVE, <=);
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break;
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case '?':
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default:
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usage();
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}
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if (optind < argc)
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usage();
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fd = open(filename, O_RDWR);
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if (fd == -1)
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err(1, "Cannot open %s", filename);
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if (ioctl(fd, FDIOCGETFORMAT, &fetchparms) == -1) {
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if (errno == ENOTTY)
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err(1, "Device `%s' does not support floppy formatting",
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filename);
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else
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err(1, "Cannot fetch current floppy"
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" formatting parameters");
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}
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copyparm(nbps, NBPS);
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copyparm(ncyl, NCYL);
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copyparm(nspt, NSPT);
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copyparm(ntrk, NTRK);
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copyparm(stepspercyl, STEPSPERCYL);
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copyparm(gaplen, GAPLEN);
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copyparm(fillbyte, FILLBYTE);
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copyparm(xfer_rate, XFER_RATE);
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copyparm(interleave, INTERLEAVE);
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parms.fdformat_version = FDFORMAT_VERSION;
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tmpint = FDOPT_NORETRY|FDOPT_SILENT;
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if (ioctl(fd, FDIOCSETOPTS, &tmpint) == -1 ||
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ioctl(fd, FDIOCSETFORMAT, &parms) == -1) {
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errx(1, "Cannot set requested formatting parameters:"
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" %d cylinders, %d tracks, %d sectors of %d bytes",
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parms.ncyl, parms.ntrk, parms.nspt, parms.nbps);
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}
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(void)printf("Ready to format %s with %d cylinders, %d tracks,"
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" %d sectors of %d bytes\n(%d KB)",
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filename, parms.ncyl, parms.ntrk, parms.nspt, parms.nbps,
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parms.ncyl * parms.ntrk * parms.nspt * parms.nbps / 1024);
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if (!confirm(1))
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errx(1,"Formatting abandoned -- not confirmed.");
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if (verify) {
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trackbuf = malloc(parms.nbps * parms.nspt);
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if (trackbuf == NULL)
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warn("Cannot allocate verification buffer");
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}
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cmd.formatcmd_version = FDFORMAT_VERSION;
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for (cyl = 0; cyl < parms.ncyl; cyl++) {
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cmd.cylinder = cyl;
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for (trk = 0; trk < parms.ntrk; trk++) {
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cmd.head = trk;
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if (ioctl(fd, FDIOCFORMAT_TRACK, &cmd) == 0) {
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if (verify && colsize) {
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colcnt++;
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if (colcnt % colsize == 0) {
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(void)putchar('\n');
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colcnt++;
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}
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}
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(void)putchar('F');
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if (verify)
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(void)putchar('\b');
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(void)fflush(stdout);
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if (verify)
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errcnt += verify_track(fd, cyl, trk,
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&parms, trackbuf);
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} else if (errno == EINVAL) {
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(void)putchar('\n');
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errx(1, "Formatting botch at <%d,%d>",
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cyl, trk);
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} else if (errno == EIO) {
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(void)putchar('E');
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(void)fflush(stdout);
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errcnt++;
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}
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}
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}
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(void)putchar('\n');
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if (errcnt)
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errx(1, "%d track formatting error%s",
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errcnt, errcnt == 1 ? "" : "s");
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return 0;
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}
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