initial import of NetBSD tree

1 files changed, 330 insertions, 0 deletions

diff --git a/sbin/dumpfs/dumpfs.c b/sbin/dumpfs/dumpfs.c
new file mode 100644
index 00000000000..819df14150d
--- /dev/null
+++ b/sbin/dumpfs/dumpfs.c
@@ -0,0 +1,330 @@
+/*	$NetBSD: dumpfs.c,v 1.10 1995/04/12 21:23:24 mycroft Exp $	*/
+
+/*
+ * Copyright (c) 1983, 1992, 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. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. 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.
+ */
+
+#ifndef lint
+static char copyright[] =
+"@(#) Copyright (c) 1983, 1992, 1993\n\
+	The Regents of the University of California.  All rights reserved.\n";
+#endif /* not lint */
+
+#ifndef lint
+#if 0
+static char sccsid[] = "@(#)dumpfs.c	8.2 (Berkeley) 2/2/94";
+#else
+static char rcsid[] = "$NetBSD: dumpfs.c,v 1.10 1995/04/12 21:23:24 mycroft Exp $";
+#endif
+#endif /* not lint */
+
+#include <sys/param.h>
+#include <sys/time.h>
+
+#include <ufs/ufs/dinode.h>
+#include <ufs/ffs/fs.h>
+
+#include <err.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <fstab.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+union {
+	struct fs fs;
+	char pad[MAXBSIZE];
+} fsun;
+#define	afs	fsun.fs
+
+union {
+	struct cg cg;
+	char pad[MAXBSIZE];
+} cgun;
+#define	acg	cgun.cg
+
+long	dev_bsize = 1;
+
+int	dumpfs __P((char *));
+int	dumpcg __P((char *, int, int));
+void	pbits __P((void *, int));
+void	usage __P((void));
+
+int
+main(argc, argv)
+	int argc;
+	char *argv[];
+{
+	register struct fstab *fs;
+	int ch, eval;
+
+	while ((ch = getopt(argc, argv, "")) != -1)
+		switch(ch) {
+		case '?':
+		default:
+			usage();
+		}
+	argc -= optind;
+	argv += optind;
+
+	if (argc < 1)
+		usage();
+
+	for (eval = 0; *argv; ++argv)
+		if ((fs = getfsfile(*argv)) == NULL)
+			eval |= dumpfs(*argv);
+		else
+			eval |= dumpfs(fs->fs_spec);
+	exit(eval);
+}
+
+int
+dumpfs(name)
+	char *name;
+{
+	int fd, c, i, j, k, size;
+
+	if ((fd = open(name, O_RDONLY, 0)) < 0)
+		goto err;
+	if (lseek(fd, (off_t)SBOFF, SEEK_SET) == (off_t)-1)
+		goto err;
+	if (read(fd, &afs, SBSIZE) != SBSIZE)
+		goto err;
+
+ 	if (afs.fs_magic != FS_MAGIC) {
+		warnx("%s: superblock has bad magic number, skipping.",
+		     name);
+		(void) close(fd);
+ 		return (1);
+ 	}
+
+	if (afs.fs_postblformat == FS_42POSTBLFMT)
+		afs.fs_nrpos = 8;
+	dev_bsize = afs.fs_fsize / fsbtodb(&afs, 1);
+	printf("magic\t%x\ttime\t%s", afs.fs_magic,
+	    ctime(&afs.fs_time));
+	printf("cylgrp\t%s\tinodes\t%s\n",
+	    afs.fs_postblformat == FS_42POSTBLFMT ? "static" : "dynamic",
+	    afs.fs_inodefmt < FS_44INODEFMT ? "4.2/4.3BSD" : "4.4BSD");
+	printf("nbfree\t%d\tndir\t%d\tnifree\t%d\tnffree\t%d\n",
+	    afs.fs_cstotal.cs_nbfree, afs.fs_cstotal.cs_ndir,
+	    afs.fs_cstotal.cs_nifree, afs.fs_cstotal.cs_nffree);
+	printf("ncg\t%d\tncyl\t%d\tsize\t%d\tblocks\t%d\n",
+	    afs.fs_ncg, afs.fs_ncyl, afs.fs_size, afs.fs_dsize);
+	printf("bsize\t%d\tshift\t%d\tmask\t0x%08x\n",
+	    afs.fs_bsize, afs.fs_bshift, afs.fs_bmask);
+	printf("fsize\t%d\tshift\t%d\tmask\t0x%08x\n",
+	    afs.fs_fsize, afs.fs_fshift, afs.fs_fmask);
+	printf("frag\t%d\tshift\t%d\tfsbtodb\t%d\n",
+	    afs.fs_frag, afs.fs_fragshift, afs.fs_fsbtodb);
+	printf("cpg\t%d\tbpg\t%d\tfpg\t%d\tipg\t%d\n",
+	    afs.fs_cpg, afs.fs_fpg / afs.fs_frag, afs.fs_fpg, afs.fs_ipg);
+	printf("minfree\t%d%%\toptim\t%s\tmaxcontig %d\tmaxbpg\t%d\n",
+	    afs.fs_minfree, afs.fs_optim == FS_OPTSPACE ? "space" : "time",
+	    afs.fs_maxcontig, afs.fs_maxbpg);
+	printf("rotdelay %dms\theadswitch %dus\ttrackseek %dus\trps\t%d\n",
+	    afs.fs_rotdelay, afs.fs_headswitch, afs.fs_trkseek, afs.fs_rps);
+	printf("ntrak\t%d\tnsect\t%d\tnpsect\t%d\tspc\t%d\n",
+	    afs.fs_ntrak, afs.fs_nsect, afs.fs_npsect, afs.fs_spc);
+	printf("symlinklen %d\ttrackskew %d\tinterleave %d\tcontigsumsize %d\n",
+	    afs.fs_maxsymlinklen, afs.fs_trackskew, afs.fs_interleave,
+	    afs.fs_contigsumsize);
+	printf("nindir\t%d\tinopb\t%d\tnspf\t%d\n",
+	    afs.fs_nindir, afs.fs_inopb, afs.fs_nspf);
+	printf("sblkno\t%d\tcblkno\t%d\tiblkno\t%d\tdblkno\t%d\n",
+	    afs.fs_sblkno, afs.fs_cblkno, afs.fs_iblkno, afs.fs_dblkno);
+	printf("sbsize\t%d\tcgsize\t%d\tcgoffset %d\tcgmask\t0x%08x\n",
+	    afs.fs_sbsize, afs.fs_cgsize, afs.fs_cgoffset, afs.fs_cgmask);
+	printf("csaddr\t%d\tcssize\t%d\tshift\t%d\tmask\t0x%08x\n",
+	    afs.fs_csaddr, afs.fs_cssize, afs.fs_csshift, afs.fs_csmask);
+	printf("cgrotor\t%d\tfmod\t%d\tronly\t%d\tclean\t0x%02x\n",
+	    afs.fs_cgrotor, afs.fs_fmod, afs.fs_ronly, afs.fs_clean);
+	if (afs.fs_cpc != 0)
+		printf("blocks available in each of %d rotational positions",
+		     afs.fs_nrpos);
+	else
+		printf("insufficient space to maintain rotational tables\n");
+	for (c = 0; c < afs.fs_cpc; c++) {
+		printf("\ncylinder number %d:", c);
+		for (i = 0; i < afs.fs_nrpos; i++) {
+			if (fs_postbl(&afs, c)[i] == -1)
+				continue;
+			printf("\n   position %d:\t", i);
+			for (j = fs_postbl(&afs, c)[i], k = 1; ;
+			     j += fs_rotbl(&afs)[j], k++) {
+				printf("%5d", j);
+				if (k % 12 == 0)
+					printf("\n\t\t");
+				if (fs_rotbl(&afs)[j] == 0)
+					break;
+			}
+		}
+	}
+	printf("\ncs[].cs_(nbfree,ndir,nifree,nffree):\n\t");
+	for (i = 0, j = 0; i < afs.fs_cssize; i += afs.fs_bsize, j++) {
+		size = afs.fs_cssize - i < afs.fs_bsize ?
+		    afs.fs_cssize - i : afs.fs_bsize;
+		afs.fs_csp[j] = calloc(1, size);
+		if (lseek(fd,
+		    (off_t)(fsbtodb(&afs, (afs.fs_csaddr + j * afs.fs_frag)) *
+		    dev_bsize), SEEK_SET) == (off_t)-1)
+			goto err;
+		if (read(fd, afs.fs_csp[j], size) != size)
+			goto err;
+	}
+	for (i = 0; i < afs.fs_ncg; i++) {
+		struct csum *cs = &afs.fs_cs(&afs, i);
+		if (i && i % 4 == 0)
+			printf("\n\t");
+		printf("(%d,%d,%d,%d) ",
+		    cs->cs_nbfree, cs->cs_ndir, cs->cs_nifree, cs->cs_nffree);
+	}
+	printf("\n");
+	if (afs.fs_ncyl % afs.fs_cpg) {
+		printf("cylinders in last group %d\n",
+		    i = afs.fs_ncyl % afs.fs_cpg);
+		printf("blocks in last group %d\n",
+		    i * afs.fs_spc / NSPB(&afs));
+	}
+	printf("\n");
+	for (i = 0; i < afs.fs_ncg; i++)
+		if (dumpcg(name, fd, i))
+			goto err;
+	(void)close(fd);
+	return (0);
+
+err:	if (fd != -1)
+		(void)close(fd);
+	warn("%s", name);
+	return (1);
+};
+
+int
+dumpcg(name, fd, c)
+	char *name;
+	int fd, c;
+{
+	off_t cur;
+	int i, j;
+
+	printf("\ncg %d:\n", c);
+	if ((cur = lseek(fd, (off_t)(fsbtodb(&afs, cgtod(&afs, c)) * dev_bsize),
+	    SEEK_SET)) == (off_t)-1)
+		return (1);
+	if (read(fd, &acg, afs.fs_bsize) != afs.fs_bsize) {
+		warnx("%s: error reading cg", name);
+		return (1);
+	}
+	printf("magic\t%x\ttell\t%qx\ttime\t%s",
+	    afs.fs_postblformat == FS_42POSTBLFMT ?
+	    ((struct ocg *)&acg)->cg_magic : acg.cg_magic,
+	    cur, ctime(&acg.cg_time));
+	printf("cgx\t%d\tncyl\t%d\tniblk\t%d\tndblk\t%d\n",
+	    acg.cg_cgx, acg.cg_ncyl, acg.cg_niblk, acg.cg_ndblk);
+	printf("nbfree\t%d\tndir\t%d\tnifree\t%d\tnffree\t%d\n",
+	    acg.cg_cs.cs_nbfree, acg.cg_cs.cs_ndir,
+	    acg.cg_cs.cs_nifree, acg.cg_cs.cs_nffree);
+	printf("rotor\t%d\tirotor\t%d\tfrotor\t%d\nfrsum",
+	    acg.cg_rotor, acg.cg_irotor, acg.cg_frotor);
+	for (i = 1, j = 0; i < afs.fs_frag; i++) {
+		printf("\t%d", acg.cg_frsum[i]);
+		j += i * acg.cg_frsum[i];
+	}
+	printf("\nsum of frsum: %d", j);
+	if (afs.fs_contigsumsize > 0) {
+		for (i = 1; i < afs.fs_contigsumsize; i++) {
+			if ((i - 1) % 8 == 0)
+				printf("\nclusters %d-%d:", i,
+				    afs.fs_contigsumsize - 1 < i + 7 ?
+				    afs.fs_contigsumsize - 1 : i + 7);
+			printf("\t%d", cg_clustersum(&acg)[i]);
+		}
+		printf("\nclusters size %d and over: %d\n",
+		    afs.fs_contigsumsize,
+		    cg_clustersum(&acg)[afs.fs_contigsumsize]);
+		printf("clusters free:\t");
+		pbits(cg_clustersfree(&acg), acg.cg_nclusterblks);
+	} else
+		printf("\n");
+	printf("iused:\t");
+	pbits(cg_inosused(&acg), afs.fs_ipg);
+	printf("free:\t");
+	pbits(cg_blksfree(&acg), afs.fs_fpg);
+	printf("b:\n");
+	for (i = 0; i < afs.fs_cpg; i++) {
+		if (cg_blktot(&acg)[i] == 0)
+			continue;
+		printf("   c%d:\t(%d)\t", i, cg_blktot(&acg)[i]);
+		for (j = 0; j < afs.fs_nrpos; j++) {
+			if (afs.fs_cpc > 0 &&
+			    fs_postbl(&afs, i % afs.fs_cpc)[j] == -1)
+				continue;
+			printf(" %d", cg_blks(&afs, &acg, i)[j]);
+		}
+		printf("\n");
+	}
+	return (0);
+};
+
+void
+pbits(vp, max)
+	register void *vp;
+	int max;
+{
+	register int i;
+	register char *p;
+	int count, j;
+
+	for (count = i = 0, p = vp; i < max; i++)
+		if (isset(p, i)) {
+			if (count)
+				printf(",%s", count % 6 ? " " : "\n\t");
+			count++;
+			printf("%d", i);
+			j = i;
+			while ((i+1)<max && isset(p, i+1))
+				i++;
+			if (i != j)
+				printf("-%d", i);
+		}
+	printf("\n");
+}
+
+void
+usage()
+{
+
+	(void)fprintf(stderr, "usage: dumpfs filesys | device\n");
+	exit(1);
+}