xref: /illumos-gate/usr/src/cmd/fs.d/ufs/fstyp/fstyp.c (revision 2a8bcb4efb45d99ac41c94a75c396b362c414f7f)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License (the "License").
6  * You may not use this file except in compliance with the License.
7  *
8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9  * or http://www.opensolaris.org/os/licensing.
10  * See the License for the specific language governing permissions
11  * and limitations under the License.
12  *
13  * When distributing Covered Code, include this CDDL HEADER in each
14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15  * If applicable, add the following below this CDDL HEADER, with the
16  * fields enclosed by brackets "[]" replaced with your own identifying
17  * information: Portions Copyright [yyyy] [name of copyright owner]
18  *
19  * CDDL HEADER END
20  */
21 /*
22  * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
23  * Use is subject to license terms.
24  */
25 
26 /*	Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T	*/
27 /*	  All Rights Reserved  	*/
28 
29 /*
30  * University Copyright- Copyright (c) 1982, 1986, 1988
31  * The Regents of the University of California
32  * All Rights Reserved
33  *
34  * University Acknowledgment- Portions of this document are derived from
35  * software developed by the University of California, Berkeley, and its
36  * contributors.
37  */
38 
39 /*
40  * libfstyp module for ufs
41  */
42 #include <stdio.h>
43 #include <stdlib.h>
44 #include <unistd.h>
45 #include <locale.h>
46 #include <fcntl.h>
47 #include <errno.h>
48 #include <strings.h>
49 
50 #include <sys/param.h>
51 #include <sys/types.h>
52 #include <sys/mntent.h>
53 #include <sys/errno.h>
54 #include <sys/fs/ufs_fs.h>
55 #include <sys/stat.h>
56 #include <sys/vfs.h>
57 #include <sys/mnttab.h>
58 
59 #include <sys/fs/ufs_log.h>
60 #include <sys/inttypes.h>
61 
62 #include <libfstyp_module.h>
63 
64 typedef struct fstyp_ufs {
65 	int		fd;
66 	nvlist_t	*attr;
67 
68 	union {
69 		struct fs fs;
70 		char pad[MAXBSIZE];
71 	} fsun;
72 
73 	union {
74 		struct cg cg;
75 		char pad[MAXBSIZE];
76 	} cgun;
77 
78 	char		eg[MAXBSIZE];
79 } fstyp_ufs_t;
80 
81 #define	afs	fsun.fs
82 #define	acg	cgun.cg
83 
84 #define	MAXLABELS	20
85 #define	LINEMAX		256
86 #define	NRPOS		8	/* for pre FFFS compatibility */
87 
88 static int	is_ufs(fstyp_ufs_t *h);
89 static int	get_attr(fstyp_ufs_t *h);
90 static int	dumpfs(fstyp_ufs_t *h, FILE *fout, FILE *ferr);
91 static void	dumplog(fstyp_ufs_t *h, FILE *fout, FILE *ferr);
92 static void	dumpcg(fstyp_ufs_t *h, FILE *fout, FILE *ferr, const int c);
93 static void	pbits(FILE *out, const void *cp, const int max);
94 
95 int	fstyp_mod_init(int fd, off_t offset, fstyp_mod_handle_t *handle);
96 void	fstyp_mod_fini(fstyp_mod_handle_t handle);
97 int	fstyp_mod_ident(fstyp_mod_handle_t handle);
98 int	fstyp_mod_get_attr(fstyp_mod_handle_t handle, nvlist_t **attrp);
99 int	fstyp_mod_dump(fstyp_mod_handle_t handle, FILE *fout, FILE *ferr);
100 
101 
102 int
fstyp_mod_init(int fd,off_t offset,fstyp_mod_handle_t * handle)103 fstyp_mod_init(int fd, off_t offset, fstyp_mod_handle_t *handle)
104 {
105 	struct fstyp_ufs *h;
106 
107 	if (offset != 0) {
108 		return (FSTYP_ERR_OFFSET);
109 	}
110 
111 	if ((h = calloc(1, sizeof (struct fstyp_ufs))) == NULL) {
112 		return (FSTYP_ERR_NOMEM);
113 	}
114 	h->fd = fd;
115 
116 	*handle = (fstyp_mod_handle_t)h;
117 	return (0);
118 }
119 
120 void
fstyp_mod_fini(fstyp_mod_handle_t handle)121 fstyp_mod_fini(fstyp_mod_handle_t handle)
122 {
123 	struct fstyp_ufs *h = (struct fstyp_ufs *)handle;
124 
125 	if (h->attr == NULL) {
126 		nvlist_free(h->attr);
127 		h->attr = NULL;
128 	}
129 	free(h);
130 }
131 
132 int
fstyp_mod_ident(fstyp_mod_handle_t handle)133 fstyp_mod_ident(fstyp_mod_handle_t handle)
134 {
135 	struct fstyp_ufs *h = (struct fstyp_ufs *)handle;
136 
137 	return (is_ufs(h));
138 }
139 
140 int
fstyp_mod_get_attr(fstyp_mod_handle_t handle,nvlist_t ** attrp)141 fstyp_mod_get_attr(fstyp_mod_handle_t handle, nvlist_t **attrp)
142 {
143 	struct fstyp_ufs *h = (struct fstyp_ufs *)handle;
144 	int error;
145 
146 	if (h->attr == NULL) {
147 		if (nvlist_alloc(&h->attr, NV_UNIQUE_NAME_TYPE, 0)) {
148 			return (FSTYP_ERR_NOMEM);
149 		}
150 		if ((error = get_attr(h)) != 0) {
151 			nvlist_free(h->attr);
152 			h->attr = NULL;
153 			return (error);
154 		}
155 	}
156 
157 	*attrp = h->attr;
158 	return (0);
159 }
160 
161 int
fstyp_mod_dump(fstyp_mod_handle_t handle,FILE * fout,FILE * ferr)162 fstyp_mod_dump(fstyp_mod_handle_t handle, FILE *fout, FILE *ferr)
163 {
164 	struct fstyp_ufs *h = (struct fstyp_ufs *)handle;
165 
166 	return (dumpfs(h, fout, ferr));
167 }
168 
169 static int
is_ufs(fstyp_ufs_t * h)170 is_ufs(fstyp_ufs_t *h)
171 {
172 	(void) llseek(h->fd, (offset_t)SBLOCK * DEV_BSIZE, 0);
173 	if (read(h->fd, &h->afs, SBSIZE) != SBSIZE) {
174 		return (FSTYP_ERR_IO);
175 	}
176 	if ((h->afs.fs_magic != FS_MAGIC) &&
177 	    (h->afs.fs_magic != MTB_UFS_MAGIC)) {
178 		return (FSTYP_ERR_NO_MATCH);
179 	}
180 	if ((h->afs.fs_magic == FS_MAGIC) &&
181 	    (h->afs.fs_version != UFS_EFISTYLE4NONEFI_VERSION_2 &&
182 	    h->afs.fs_version != UFS_VERSION_MIN)) {
183 		return (FSTYP_ERR_NO_MATCH);
184 	}
185 	if ((h->afs.fs_magic == MTB_UFS_MAGIC) &&
186 	    (h->afs.fs_version > MTB_UFS_VERSION_1 ||
187 	    h->afs.fs_version < MTB_UFS_VERSION_MIN)) {
188 		return (FSTYP_ERR_NO_MATCH);
189 	}
190 	return (0);
191 }
192 
193 #define	ADD_STRING(h, name, value) \
194 	if (nvlist_add_string(h->attr, name, value) != 0) { \
195 		return (FSTYP_ERR_NOMEM); \
196 	}
197 
198 #define	ADD_INT32(h, name, value) \
199 	if (nvlist_add_int32(h->attr, name, value) != 0) { \
200 		return (FSTYP_ERR_NOMEM); \
201 	}
202 
203 #define	ADD_BOOL(h, name, value) \
204 	if (nvlist_add_boolean_value(h->attr, name, value) != 0) { \
205 		return (FSTYP_ERR_NOMEM); \
206 	}
207 
208 static int
get_attr(fstyp_ufs_t * h)209 get_attr(fstyp_ufs_t *h)
210 {
211 	struct fs *fsp = &h->afs;
212 	char	s[128];
213 	time_t	t;
214 
215 	ADD_INT32(h, "magic", fsp->fs_magic);
216 	ADD_STRING(h, "format",
217 	    fsp->fs_postblformat == FS_42POSTBLFMT ? "static" : "dynamic");
218 	t = (time_t)fsp->fs_time;
219 	(void) snprintf(s, sizeof (s), "%s", ctime(&t));
220 	s[strlen(s) - 1] = '\0';
221 	ADD_STRING(h, "time", s);
222 	ADD_INT32(h, "sblkno", fsp->fs_sblkno);
223 	ADD_INT32(h, "cblkno", fsp->fs_cblkno);
224 	ADD_INT32(h, "iblkno", fsp->fs_iblkno);
225 	ADD_INT32(h, "dblkno", fsp->fs_dblkno);
226 	ADD_INT32(h, "sbsize", fsp->fs_sbsize);
227 	ADD_INT32(h, "cgsize", fsp->fs_cgsize);
228 	ADD_INT32(h, "cgoffset", fsp->fs_cgoffset);
229 	ADD_INT32(h, "cgmask", fsp->fs_cgmask);
230 	ADD_INT32(h, "ncg", fsp->fs_ncg);
231 	ADD_INT32(h, "size", fsp->fs_size);
232 	ADD_INT32(h, "blocks", fsp->fs_dsize);
233 	ADD_INT32(h, "bsize", fsp->fs_bsize);
234 	ADD_INT32(h, "bshift", fsp->fs_bshift);
235 	ADD_INT32(h, "bmask", fsp->fs_bmask);
236 	ADD_INT32(h, "fsize", fsp->fs_fsize);
237 	ADD_INT32(h, "fshift", fsp->fs_fshift);
238 	ADD_INT32(h, "fmask", fsp->fs_fmask);
239 	ADD_INT32(h, "frag", fsp->fs_frag);
240 	ADD_INT32(h, "fragshift", fsp->fs_fragshift);
241 	ADD_INT32(h, "fsbtodb", fsp->fs_fsbtodb);
242 	ADD_INT32(h, "minfree", fsp->fs_minfree);
243 	ADD_INT32(h, "maxbpg", fsp->fs_maxbpg);
244 	ADD_STRING(h, "optim",
245 	    fsp->fs_optim == FS_OPTSPACE ? "space" : "time");
246 	ADD_INT32(h, "maxcontig", fsp->fs_maxcontig);
247 	ADD_INT32(h, "rotdelay", fsp->fs_rotdelay);
248 	ADD_INT32(h, "rps", fsp->fs_rps);
249 	ADD_INT32(h, "csaddr", fsp->fs_csaddr);
250 	ADD_INT32(h, "cssize", fsp->fs_cssize);
251 	ADD_INT32(h, "csshift", fsp->fs_csshift);
252 	ADD_INT32(h, "csmask", fsp->fs_csmask);
253 	ADD_INT32(h, "ntrak", fsp->fs_ntrak);
254 	ADD_INT32(h, "nsect", fsp->fs_nsect);
255 	ADD_INT32(h, "spc", fsp->fs_spc);
256 	ADD_INT32(h, "ncyl", fsp->fs_ncyl);
257 	ADD_INT32(h, "cpg", fsp->fs_cpg);
258 	ADD_INT32(h, "bpg", fsp->fs_fpg / fsp->fs_frag);
259 	ADD_INT32(h, "fpg", fsp->fs_fpg);
260 	ADD_INT32(h, "ipg", fsp->fs_ipg);
261 	ADD_INT32(h, "nindir", fsp->fs_nindir);
262 	ADD_INT32(h, "inopb", fsp->fs_inopb);
263 	ADD_INT32(h, "nspf", fsp->fs_nspf);
264 	ADD_INT32(h, "nbfree", fsp->fs_cstotal.cs_nbfree);
265 	ADD_INT32(h, "ndir", fsp->fs_cstotal.cs_ndir);
266 	ADD_INT32(h, "nifree", fsp->fs_cstotal.cs_nifree);
267 	ADD_INT32(h, "nffree", fsp->fs_cstotal.cs_nffree);
268 	ADD_INT32(h, "cgrotor", fsp->fs_cgrotor);
269 	ADD_INT32(h, "fmod", fsp->fs_fmod);
270 	ADD_INT32(h, "ronly", fsp->fs_ronly);
271 	ADD_INT32(h, "logbno", fsp->fs_logbno);
272 	ADD_INT32(h, "rolled", fsp->fs_rolled);
273 	ADD_INT32(h, "si", fsp->fs_si);
274 	ADD_INT32(h, "flags", fsp->fs_flags);
275 	ADD_INT32(h, "version", fsp->fs_version);
276 	if (fsp->fs_reclaim & (FS_RECLAIM | FS_RECLAIMING)) {
277 		(void) snprintf(s, sizeof (s), "%s%s",
278 		    (fsp->fs_reclaim & FS_RECLAIM)    ? " FS_RECLAIM"    : "",
279 		    (fsp->fs_reclaim & FS_RECLAIMING) ? " FS_RECLAIMING" : "");
280 		ADD_STRING(h, "fs_reclaim", s);
281 	}
282 	ADD_INT32(h, "clean", fsp->fs_clean);
283 
284 	if ((fsp->fs_state + (long)fsp->fs_time == FSOKAY) &&
285 	    (fsp->fs_clean == FSCLEAN || fsp->fs_clean == FSSTABLE ||
286 	    (fsp->fs_clean == FSLOG))) {
287 		ADD_BOOL(h, "gen_clean", B_TRUE);
288 	} else {
289 		ADD_BOOL(h, "gen_clean", B_FALSE);
290 	}
291 
292 	(void) snprintf(s, sizeof (s), "%d", fsp->fs_version);
293 	ADD_STRING(h, "gen_version", s);
294 
295 	return (0);
296 }
297 
298 
299 static int
dumpfs(fstyp_ufs_t * h,FILE * fout,FILE * ferr)300 dumpfs(fstyp_ufs_t *h, FILE *fout, FILE *ferr)
301 {
302 	int c, i, j, k, size, nrpos;
303 	struct fs *fsp = &h->afs;
304 	offset_t offset;
305 	caddr_t sip;
306 	time_t t;
307 
308 	t = (time_t)fsp->fs_time;
309 	(void) fprintf(fout, "magic\t%x\tformat\t%s\ttime\t%s", fsp->fs_magic,
310 	    fsp->fs_postblformat == FS_42POSTBLFMT ? "static" : "dynamic",
311 	    ctime(&t));
312 	(void) fprintf(fout, "sblkno\t%d\tcblkno\t%d\tiblkno\t%d\tdblkno\t%d\n",
313 	    fsp->fs_sblkno, fsp->fs_cblkno, fsp->fs_iblkno, fsp->fs_dblkno);
314 	(void) fprintf(fout,
315 	    "sbsize\t%d\tcgsize\t%d\tcgoffset %d\tcgmask\t0x%08x\n",
316 	    fsp->fs_sbsize, fsp->fs_cgsize, fsp->fs_cgoffset, fsp->fs_cgmask);
317 	(void) fprintf(fout, "ncg\t%d\tsize\t%d\tblocks\t%d\n",
318 	    fsp->fs_ncg, fsp->fs_size, fsp->fs_dsize);
319 	(void) fprintf(fout, "bsize\t%d\tshift\t%d\tmask\t0x%08x\n",
320 	    fsp->fs_bsize, fsp->fs_bshift, fsp->fs_bmask);
321 	(void) fprintf(fout, "fsize\t%d\tshift\t%d\tmask\t0x%08x\n",
322 	    fsp->fs_fsize, fsp->fs_fshift, fsp->fs_fmask);
323 	(void) fprintf(fout, "frag\t%d\tshift\t%d\tfsbtodb\t%d\n",
324 	    fsp->fs_frag, fsp->fs_fragshift, fsp->fs_fsbtodb);
325 	(void) fprintf(fout, "minfree\t%d%%\tmaxbpg\t%d\toptim\t%s\n",
326 	    fsp->fs_minfree, fsp->fs_maxbpg,
327 	    fsp->fs_optim == FS_OPTSPACE ? "space" : "time");
328 	(void) fprintf(fout, "maxcontig %d\trotdelay %dms\trps\t%d\n",
329 	    fsp->fs_maxcontig, fsp->fs_rotdelay, fsp->fs_rps);
330 	(void) fprintf(fout,
331 	    "csaddr\t%d\tcssize\t%d\tshift\t%d\tmask\t0x%08x\n",
332 	    fsp->fs_csaddr, fsp->fs_cssize, fsp->fs_csshift, fsp->fs_csmask);
333 	(void) fprintf(fout, "ntrak\t%d\tnsect\t%d\tspc\t%d\tncyl\t%d\n",
334 	    fsp->fs_ntrak, fsp->fs_nsect, fsp->fs_spc, fsp->fs_ncyl);
335 	(void) fprintf(fout, "cpg\t%d\tbpg\t%d\tfpg\t%d\tipg\t%d\n",
336 	    fsp->fs_cpg, fsp->fs_fpg / fsp->fs_frag, fsp->fs_fpg, fsp->fs_ipg);
337 	(void) fprintf(fout, "nindir\t%d\tinopb\t%d\tnspf\t%d\n",
338 	    fsp->fs_nindir, fsp->fs_inopb, fsp->fs_nspf);
339 	(void) fprintf(fout, "nbfree\t%d\tndir\t%d\tnifree\t%d\tnffree\t%d\n",
340 	    fsp->fs_cstotal.cs_nbfree, fsp->fs_cstotal.cs_ndir,
341 	    fsp->fs_cstotal.cs_nifree, fsp->fs_cstotal.cs_nffree);
342 	(void) fprintf(fout, "cgrotor\t%d\tfmod\t%d\tronly\t%d\tlogbno\t%d\n",
343 	    fsp->fs_cgrotor, fsp->fs_fmod, fsp->fs_ronly, fsp->fs_logbno);
344 	(void) fprintf(fout, "rolled\t%d\tsi\t%d\tflags\t%x\n",
345 	    fsp->fs_rolled, fsp->fs_si, fsp->fs_flags);
346 	(void) fprintf(fout, "version\t%d\n", fsp->fs_version);
347 	if (fsp->fs_reclaim & (FS_RECLAIM | FS_RECLAIMING)) {
348 		(void) fprintf(fout, "fs_reclaim%s%s\n",
349 		    (fsp->fs_reclaim & FS_RECLAIM)    ? " FS_RECLAIM"    : "",
350 		    (fsp->fs_reclaim & FS_RECLAIMING) ? " FS_RECLAIMING" : "");
351 	} else {
352 		(void) fprintf(fout, "fs_reclaim is not set\n");
353 	}
354 	if (fsp->fs_state + (long)fsp->fs_time == FSOKAY) {
355 		(void) fprintf(fout, gettext(
356 		    "file system state is valid, fsclean is %d\n"),
357 		    fsp->fs_clean);
358 	} else {
359 		(void) fprintf(fout,
360 		    gettext("file system state is not valid\n"));
361 	}
362 	if (fsp->fs_cpc != 0) {
363 		(void) fprintf(fout, gettext(
364 		    "blocks available in each rotational position"));
365 	} else {
366 		(void) fprintf(fout, gettext(
367 		    "insufficient space to maintain rotational tables\n"));
368 	}
369 	for (c = 0; c < fsp->fs_cpc; c++) {
370 		(void) fprintf(fout, gettext("\ncylinder number %d:"), c);
371 		nrpos = (((fsp)->fs_postblformat == FS_DYNAMICPOSTBLFMT) ?
372 		    (fsp)->fs_nrpos : NRPOS);
373 		for (i = 0; i < nrpos; i++) {
374 			if (fs_postbl(fsp, c)[i] == -1)
375 				continue;
376 			(void) fprintf(fout, gettext("\n   position %d:\t"), i);
377 			/*CSTYLED*/
378 			for (j = fs_postbl(fsp, c)[i], k = 1; ;
379 			    j += fs_rotbl(fsp)[j], k++) {
380 				(void) fprintf(fout, "%5d", j);
381 				if (k % 12 == 0)
382 					(void) fprintf(fout, "\n\t\t");
383 				if ((fs_rotbl(fsp))[j] == 0)
384 					break;
385 			}
386 		}
387 	}
388 	(void) fprintf(fout, "\ncs[].cs_(nbfree,ndir,nifree,nffree):\n\t");
389 	sip = calloc(1, fsp->fs_cssize);
390 	/* void * cast is to convince lint that sip really is aligned */
391 	fsp->fs_u.fs_csp = (struct csum *)(void *)sip;
392 	for (i = 0, j = 0; i < fsp->fs_cssize; i += fsp->fs_bsize, j++) {
393 		size = fsp->fs_cssize - i < fsp->fs_bsize ?
394 		    fsp->fs_cssize - i : fsp->fs_bsize;
395 		offset = (offset_t)fsbtodb(
396 		    fsp, (fsp->fs_csaddr + j * fsp->fs_frag)) * DEV_BSIZE;
397 		(void) llseek(h->fd, offset, 0);
398 		if (read(h->fd, sip, size) != size) {
399 			return (FSTYP_ERR_IO);
400 		}
401 		sip += size;
402 	}
403 	for (i = 0; i < fsp->fs_ncg; i++) {
404 		struct csum *cs = &fsp->fs_cs(fsp, i);
405 		if (i && i % 4 == 0)
406 			(void) fprintf(fout, "\n\t");
407 		(void) fprintf(fout, "(%d,%d,%d,%d) ",
408 		    cs->cs_nbfree, cs->cs_ndir, cs->cs_nifree, cs->cs_nffree);
409 	}
410 	(void) fprintf(fout, "\n");
411 	if (fsp->fs_ncyl % fsp->fs_cpg) {
412 		(void) fprintf(fout, gettext("cylinders in last group %d\n"),
413 		    i = fsp->fs_ncyl % fsp->fs_cpg);
414 		(void) fprintf(fout, gettext("blocks in last group %d\n"),
415 		    i * fsp->fs_spc / NSPB(fsp));
416 	}
417 	(void) fprintf(fout, "\n");
418 	for (i = 0; i < fsp->fs_ncg; i++)
419 		dumpcg(h, fout, ferr, i);
420 	if (fsp->fs_logbno)
421 		dumplog(h, fout, ferr);
422 	return (0);
423 }
424 
425 static void
setsum(int32_t * sp,int32_t * lp,int nb)426 setsum(int32_t *sp, int32_t *lp, int nb)
427 {
428 	int32_t csum = 0;
429 
430 	*sp = 0;
431 	nb /= sizeof (int32_t);
432 	while (nb--)
433 		csum += *lp++;
434 	*sp = csum;
435 }
436 
437 static int
checksum(int32_t * sp,int32_t * lp,int nb)438 checksum(int32_t *sp, int32_t *lp, int nb)
439 {
440 	int32_t ssum = *sp;
441 
442 	setsum(sp, lp, nb);
443 	if (ssum != *sp) {
444 		*sp = ssum;
445 		return (0);
446 	}
447 	return (1);
448 }
449 
450 /* ARGSUSED */
451 static void
dumplog(fstyp_ufs_t * h,FILE * fout,FILE * ferr)452 dumplog(fstyp_ufs_t *h, FILE *fout, FILE *ferr)
453 {
454 	int i;
455 	long		tb = 0;
456 	extent_block_t	*ebp;
457 	extent_t	*ep;
458 	ml_odunit_t	*ud;
459 	struct fs *fsp = &h->afs;
460 
461 	(void) fprintf(fout, "\nlog\n");
462 	if (fsp->fs_magic == FS_MAGIC)
463 		(void) fprintf(fout,
464 		    "log allocation block %d\n", fsp->fs_logbno);
465 	else
466 		(void) fprintf(fout, "log allocation block (in frags) %d\n",
467 		    fsp->fs_logbno);
468 	(void) llseek(h->fd, (offset_t)logbtodb(fsp,
469 	    fsp->fs_logbno) * DEV_BSIZE, 0);
470 	if (read(h->fd, (char *)&h->eg, fsp->fs_bsize) != fsp->fs_bsize) {
471 		(void) fprintf(fout, gettext(
472 		    "dumplog: error reading log allocation\n"));
473 		return;
474 	}
475 	ebp = (void *)h->eg;
476 	if (ebp->type != LUFS_EXTENTS)
477 		(void) fprintf(fout,
478 		    gettext("Invalid log allocation type %x\n"), ebp->type);
479 	if (!checksum(&ebp->chksum, (int32_t *)ebp, fsp->fs_bsize))
480 		(void) fprintf(fout, gettext("Invalid log checksum\n"));
481 
482 	for (i = 0, ep = &ebp->extents[0]; i < ebp->nextents; ++i, ++ep) {
483 		(void) fprintf(fout, "\tlogical block\t%" PRId32
484 		    "\tphysical block\t%" PRId32
485 		    "\tblocks\t%" PRId32 "\n",
486 		    ep->lbno, ep->pbno, ep->nbno);
487 		tb += dbtob(ep->nbno);
488 	}
489 	(void) fprintf(fout, "log size %" PRIu32 " bytes (%ld calculated)\n",
490 		ebp->nbytes, tb);
491 	(void) fprintf(fout, "\n");
492 	ep = &ebp->extents[0];
493 	(void) llseek(h->fd, (offset_t)logbtodb(fsp, ep->pbno) * DEV_BSIZE, 0);
494 	if (read(h->fd, &h->eg, dbtob(LS_SECTORS)) != dbtob(LS_SECTORS)) {
495 		(void) fprintf(fout, gettext(
496 		    "dumplog: error reading log state\n"));
497 		return;
498 	}
499 	ud = (void *)&h->eg;
500 	(void) fprintf(fout, "version\t\t%" PRIu32 "\t\t", ud->od_version);
501 	if (ud->od_badlog)
502 		(void) fprintf(fout, "logstate\tError\n");
503 	else
504 		(void) fprintf(fout, "logstate\tOkay\n");
505 	(void) fprintf(fout, "bol\t\t%" PRId32 "\t\teol\t\t%" PRId32 "\n",
506 		ud->od_bol_lof, ud->od_eol_lof);
507 	(void) fprintf(fout, "requestsize\t%" PRIu32 "\n", ud->od_requestsize);
508 	(void) fprintf(fout, "statesize\t%" PRIu32 "\n", ud->od_statesize);
509 	(void) fprintf(fout, "logsize\t\t%" PRIu32 "\n", ud->od_logsize);
510 	(void) fprintf(fout,
511 	    "maxtransfer\t%" PRIu32 "\t\tdevbsize\t%" PRIu32 "\n",
512 	    ud->od_maxtransfer, ud->od_devbsize);
513 	(void) fprintf(fout,
514 	    "head\t\t%" PRId32 "\t\thead ident\t%#" PRIx32 "\n",
515 	    ud->od_head_lof, ud->od_head_ident);
516 	(void) fprintf(fout,
517 	    "tail\t\t%" PRId32 "\t\ttail ident\t%#" PRIx32 "\n",
518 	    ud->od_tail_lof, ud->od_tail_ident);
519 	(void) fprintf(fout, "\t\t\t\tdebug\t\t%#" PRIx32 "\n", ud->od_debug);
520 	if (ud->od_head_ident + ud->od_tail_ident != ud->od_chksum)
521 		(void) fprintf(fout,
522 		    "Bad chksum\t%#" PRIx32 "\n", ud->od_chksum);
523 	else
524 		(void) fprintf(fout,
525 		    "Good chksum\t%#" PRIx32 "\n", ud->od_chksum);
526 }
527 
528 /* ARGSUSED */
529 static void
dumpcg(fstyp_ufs_t * h,FILE * fout,FILE * ferr,const int c)530 dumpcg(fstyp_ufs_t *h, FILE *fout, FILE *ferr, const int c)
531 {
532 	int		i, j;
533 	offset_t	off;
534 	struct cg	*cgp;
535 	struct ocg	*ocgp;
536 	struct fs	*fsp = &h->afs;
537 	time_t		t;
538 
539 	(void) fprintf(fout, "\ncg %d:\n", c);
540 	off = llseek(h->fd,
541 	    (offset_t)fsbtodb(fsp, cgtod(fsp, c)) * DEV_BSIZE, 0);
542 	if (read(h->fd, (char *)&h->acg, fsp->fs_bsize) != fsp->fs_bsize) {
543 		(void) fprintf(fout, gettext("dumpfs: error reading cg\n"));
544 		return;
545 	}
546 	cgp = (struct cg *)&h->acg;
547 	ocgp = (struct ocg *)&h->acg;
548 	if (!cg_chkmagic(cgp))
549 	    (void) fprintf(fout, gettext(
550 		"Invalid Cylinder grp magic fffs:%x  4.2 fs:%x\n"),
551 		cgp->cg_magic, ocgp->cg_magic);
552 	if (cgp->cg_magic == CG_MAGIC) {
553 		/* print FFFS 4.3 cyl grp format. */
554 		t = (time_t)cgp->cg_time;
555 		(void) fprintf(fout, "magic\t%x\ttell\t%llx\ttime\t%s",
556 		    cgp->cg_magic, off, ctime(&t)); /* *** */
557 		(void) fprintf(fout,
558 		    "cgx\t%d\tncyl\t%d\tniblk\t%d\tndblk\t%d\n",
559 		    cgp->cg_cgx, cgp->cg_ncyl, cgp->cg_niblk, cgp->cg_ndblk);
560 		(void) fprintf(fout,
561 		    "nbfree\t%d\tndir\t%d\tnifree\t%d\tnffree\t%d\n",
562 		    cgp->cg_cs.cs_nbfree, cgp->cg_cs.cs_ndir,
563 		    cgp->cg_cs.cs_nifree, cgp->cg_cs.cs_nffree);
564 		(void) fprintf(fout, "rotor\t%d\tirotor\t%d\tfrotor\t%d\nfrsum",
565 		    cgp->cg_rotor, cgp->cg_irotor, cgp->cg_frotor);
566 		for (i = 1, j = 0; i < fsp->fs_frag; i++) {
567 			(void) fprintf(fout, "\t%d", cgp->cg_frsum[i]);
568 			j += i * cgp->cg_frsum[i];
569 		}
570 		(void) fprintf(fout,
571 		    gettext("\nsum of frsum: %d\niused:\t"), j);
572 		pbits(fout, cg_inosused(cgp), fsp->fs_ipg);
573 		(void) fprintf(fout, gettext("free:\t"));
574 		pbits(fout, cg_blksfree(cgp), fsp->fs_fpg);
575 		(void) fprintf(fout, "b:\n");
576 		for (i = 0; i < fsp->fs_cpg; i++) {
577 			(void) fprintf(fout,
578 			    "   c%d:\t(%d)\t", i, cg_blktot(cgp)[i]);
579 			for (j = 0; j < fsp->fs_nrpos; j++)	/* ****** */
580 				(void) fprintf(fout,
581 				    " %d", cg_blks(fsp, cgp, i)[j]);
582 			(void) fprintf(fout, "\n");
583 		}
584 	} else if (ocgp->cg_magic == CG_MAGIC) {
585 		/* print Old cyl grp format. */
586 		t = (time_t)ocgp->cg_time;
587 		(void) fprintf(fout, "magic\t%x\ttell\t%llx\ttime\t%s",
588 		    ocgp->cg_magic, off, ctime(&t));
589 		(void) fprintf(fout,
590 		    "cgx\t%d\tncyl\t%d\tniblk\t%d\tndblk\t%d\n",
591 		    ocgp->cg_cgx, ocgp->cg_ncyl, ocgp->cg_niblk,
592 		    ocgp->cg_ndblk);
593 		(void) fprintf(fout,
594 		    "nbfree\t%d\tndir\t%d\tnifree\t%d\tnffree\t%d\n",
595 		    ocgp->cg_cs.cs_nbfree, ocgp->cg_cs.cs_ndir,
596 		    ocgp->cg_cs.cs_nifree, ocgp->cg_cs.cs_nffree);
597 		(void) fprintf(fout,
598 		    "rotor\t%d\tirotor\t%d\tfrotor\t%d\nfrsum",
599 		    ocgp->cg_rotor, ocgp->cg_irotor, ocgp->cg_frotor);
600 		for (i = 1, j = 0; i < fsp->fs_frag; i++) {
601 			(void) fprintf(fout, "\t%d", ocgp->cg_frsum[i]);
602 			j += i * ocgp->cg_frsum[i];
603 		}
604 		(void) fprintf(fout,
605 		    gettext("\nsum of frsum: %d\niused:\t"), j);
606 		pbits(fout, ocgp->cg_iused, fsp->fs_ipg);
607 		(void) fprintf(fout, gettext("free:\t"));
608 		pbits(fout, ocgp->cg_free, fsp->fs_fpg);
609 		(void) fprintf(fout, "b:\n");
610 		for (i = 0; i < fsp->fs_cpg; i++) {
611 			(void) fprintf(fout,
612 			    "   c%d:\t(%d)\t", i, ocgp->cg_btot[i]);
613 			for (j = 0; j < NRPOS; j++)
614 				(void) fprintf(fout, " %d", ocgp->cg_b[i][j]);
615 			(void) fprintf(fout, "\n");
616 		}
617 	}
618 }
619 
620 
621 static void
pbits(FILE * fout,const void * p,const int max)622 pbits(FILE *fout, const void *p, const int max)
623 {
624 	int i;
625 	int count = 0, j;
626 	unsigned char *cp = (unsigned char *)p;
627 
628 	for (i = 0; i < max; i++) {
629 		if (isset(cp, i)) {
630 			if (count)
631 				(void) fprintf(fout, ",%s",
632 				    (count % 9 == 8) ? "\n\t" : " ");
633 			count++;
634 			(void) fprintf(fout, "%d", i);
635 			j = i;
636 			while ((i + 1) < max && isset(cp, i+1))
637 				i++;
638 			if (i != j)
639 				(void) fprintf(fout, "-%d", i);
640 		}
641 	}
642 	(void) fprintf(fout, "\n");
643 }
644