xref: /freebsd/sbin/growfs/debug.c (revision 41059135ce931c0f1014a999ffabc6bc470ce856)
1 /*
2  * Copyright (c) 2000 Christoph Herrmann, Thomas-Henning von Kamptz
3  * Copyright (c) 1980, 1989, 1993 The Regents of the University of California.
4  * All rights reserved.
5  *
6  * This code is derived from software contributed to Berkeley by
7  * Christoph Herrmann and Thomas-Henning von Kamptz, Munich and Frankfurt.
8  *
9  * Redistribution and use in source and binary forms, with or without
10  * modification, are permitted provided that the following conditions
11  * are met:
12  * 1. Redistributions of source code must retain the above copyright
13  *    notice, this list of conditions and the following disclaimer.
14  * 2. Redistributions in binary form must reproduce the above copyright
15  *    notice, this list of conditions and the following disclaimer in the
16  *    documentation and/or other materials provided with the distribution.
17  * 3. All advertising materials mentioning features or use of this software
18  *    must display the following acknowledgment:
19  *      This product includes software developed by the University of
20  *      California, Berkeley and its contributors, as well as Christoph
21  *      Herrmann and Thomas-Henning von Kamptz.
22  * 4. Neither the name of the University nor the names of its contributors
23  *    may be used to endorse or promote products derived from this software
24  *    without specific prior written permission.
25  *
26  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
27  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
28  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
29  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
30  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
31  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
32  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
33  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
34  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
35  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
36  * SUCH DAMAGE.
37  *
38  * $TSHeader: src/sbin/growfs/debug.c,v 1.3 2000/12/12 19:31:00 tomsoft Exp $
39  *
40  */
41 
42 #ifndef lint
43 static const char rcsid[] =
44   "$FreeBSD$";
45 #endif /* not lint */
46 
47 #include <sys/param.h>
48 
49 #include <limits.h>
50 #include <stdio.h>
51 #include <string.h>
52 #include <ufs/ufs/dinode.h>
53 #include <ufs/ffs/fs.h>
54 
55 #include "debug.h"
56 
57 #ifdef FS_DEBUG
58 
59 static FILE		*dbg_log = NULL;
60 static unsigned int	indent = 0;
61 
62 /*
63  * prototypes not done here, as they come with debug.h
64  */
65 
66 /*
67  * Open the filehandle where all debug output has to go.
68  */
69 void
70 dbg_open(const char *fn)
71 {
72 
73 	if (strcmp(fn, "-") == 0)
74 		dbg_log = fopen("/dev/stdout", "a");
75 	else
76 		dbg_log = fopen(fn, "a");
77 
78 	return;
79 }
80 
81 /*
82  * Close the filehandle where all debug output went to.
83  */
84 void
85 dbg_close(void)
86 {
87 
88 	if (dbg_log) {
89 		fclose(dbg_log);
90 		dbg_log = NULL;
91 	}
92 
93 	return;
94 }
95 
96 /*
97  * Dump out a full file system block in hex.
98  */
99 void
100 dbg_dump_hex(struct fs *sb, const char *comment, unsigned char *mem)
101 {
102 	int i, j, k;
103 
104 	if (!dbg_log)
105 		return;
106 
107 	fprintf(dbg_log, "===== START HEXDUMP =====\n");
108 	fprintf(dbg_log, "# %d@%lx: %s\n", indent, (unsigned long)mem, comment);
109 	indent++;
110 	for (i = 0; i < sb->fs_bsize; i += 24) {
111 		for (j = 0; j < 3; j++) {
112 			for (k = 0; k < 8; k++)
113 				fprintf(dbg_log, "%02x ", *mem++);
114 			fprintf(dbg_log, "  ");
115 		}
116 		fprintf(dbg_log, "\n");
117 	}
118 	indent--;
119 	fprintf(dbg_log, "===== END HEXDUMP =====\n");
120 
121 	return;
122 }
123 
124 /*
125  * Dump the superblock.
126  */
127 void
128 dbg_dump_fs(struct fs *sb, const char *comment)
129 {
130 	int j;
131 
132 	if (!dbg_log)
133 		return;
134 
135 	fprintf(dbg_log, "===== START SUPERBLOCK =====\n");
136 	fprintf(dbg_log, "# %d@%lx: %s\n", indent, (unsigned long)sb, comment);
137 	indent++;
138 
139 	fprintf(dbg_log, "sblkno            int32_t          0x%08x\n",
140 	    sb->fs_sblkno);
141 	fprintf(dbg_log, "cblkno            int32_t          0x%08x\n",
142 	    sb->fs_cblkno);
143 	fprintf(dbg_log, "iblkno            int32_t          0x%08x\n",
144 	    sb->fs_iblkno);
145 	fprintf(dbg_log, "dblkno            int32_t          0x%08x\n",
146 	    sb->fs_dblkno);
147 
148 	fprintf(dbg_log, "old_cgoffset      int32_t          0x%08x\n",
149 	    sb->fs_old_cgoffset);
150 	fprintf(dbg_log, "old_cgmask        int32_t          0x%08x\n",
151 	    sb->fs_old_cgmask);
152 	fprintf(dbg_log, "old_time          int32_t          %10u\n",
153 	    (unsigned int)sb->fs_old_time);
154 	fprintf(dbg_log, "old_size          int32_t          0x%08x\n",
155 	    sb->fs_old_size);
156 	fprintf(dbg_log, "old_dsize         int32_t          0x%08x\n",
157 	    sb->fs_old_dsize);
158 	fprintf(dbg_log, "ncg               int32_t          0x%08x\n",
159 	    sb->fs_ncg);
160 	fprintf(dbg_log, "bsize             int32_t          0x%08x\n",
161 	    sb->fs_bsize);
162 	fprintf(dbg_log, "fsize             int32_t          0x%08x\n",
163 	    sb->fs_fsize);
164 	fprintf(dbg_log, "frag              int32_t          0x%08x\n",
165 	    sb->fs_frag);
166 
167 	fprintf(dbg_log, "minfree           int32_t          0x%08x\n",
168 	    sb->fs_minfree);
169 	fprintf(dbg_log, "old_rotdelay      int32_t          0x%08x\n",
170 	    sb->fs_old_rotdelay);
171 	fprintf(dbg_log, "old_rps           int32_t          0x%08x\n",
172 	    sb->fs_old_rps);
173 
174 	fprintf(dbg_log, "bmask             int32_t          0x%08x\n",
175 	    sb->fs_bmask);
176 	fprintf(dbg_log, "fmask             int32_t          0x%08x\n",
177 	    sb->fs_fmask);
178 	fprintf(dbg_log, "bshift            int32_t          0x%08x\n",
179 	    sb->fs_bshift);
180 	fprintf(dbg_log, "fshift            int32_t          0x%08x\n",
181 	    sb->fs_fshift);
182 
183 	fprintf(dbg_log, "maxcontig         int32_t          0x%08x\n",
184 	    sb->fs_maxcontig);
185 	fprintf(dbg_log, "maxbpg            int32_t          0x%08x\n",
186 	    sb->fs_maxbpg);
187 
188 	fprintf(dbg_log, "fragshift         int32_t          0x%08x\n",
189 	    sb->fs_fragshift);
190 	fprintf(dbg_log, "fsbtodb           int32_t          0x%08x\n",
191 	    sb->fs_fsbtodb);
192 	fprintf(dbg_log, "sbsize            int32_t          0x%08x\n",
193 	    sb->fs_sbsize);
194 	fprintf(dbg_log, "spare1            int32_t[2]       0x%08x 0x%08x\n",
195 	    sb->fs_spare1[0], sb->fs_spare1[1]);
196 	fprintf(dbg_log, "nindir            int32_t          0x%08x\n",
197 	    sb->fs_nindir);
198 	fprintf(dbg_log, "inopb             int32_t          0x%08x\n",
199 	    sb->fs_inopb);
200 	fprintf(dbg_log, "old_nspf          int32_t          0x%08x\n",
201 	    sb->fs_old_nspf);
202 
203 	fprintf(dbg_log, "optim             int32_t          0x%08x\n",
204 	    sb->fs_optim);
205 
206 	fprintf(dbg_log, "old_npsect        int32_t          0x%08x\n",
207 	    sb->fs_old_npsect);
208 	fprintf(dbg_log, "old_interleave    int32_t          0x%08x\n",
209 	    sb->fs_old_interleave);
210 	fprintf(dbg_log, "old_trackskew     int32_t          0x%08x\n",
211 	    sb->fs_old_trackskew);
212 
213 	fprintf(dbg_log, "id                int32_t[2]       0x%08x 0x%08x\n",
214 	    sb->fs_id[0], sb->fs_id[1]);
215 
216 	fprintf(dbg_log, "old_csaddr        int32_t          0x%08x\n",
217 	    sb->fs_old_csaddr);
218 	fprintf(dbg_log, "cssize            int32_t          0x%08x\n",
219 	    sb->fs_cssize);
220 	fprintf(dbg_log, "cgsize            int32_t          0x%08x\n",
221 	    sb->fs_cgsize);
222 
223 	fprintf(dbg_log, "spare2            int32_t          0x%08x\n",
224 	    sb->fs_spare2);
225 	fprintf(dbg_log, "old_nsect         int32_t          0x%08x\n",
226 	    sb->fs_old_nsect);
227 	fprintf(dbg_log, "old_spc           int32_t          0x%08x\n",
228 	    sb->fs_old_spc);
229 
230 	fprintf(dbg_log, "old_ncyl          int32_t          0x%08x\n",
231 	    sb->fs_old_ncyl);
232 
233 	fprintf(dbg_log, "old_cpg           int32_t          0x%08x\n",
234 	    sb->fs_old_cpg);
235 	fprintf(dbg_log, "ipg               int32_t          0x%08x\n",
236 	    sb->fs_ipg);
237 	fprintf(dbg_log, "fpg               int32_t          0x%08x\n",
238 	    sb->fs_fpg);
239 
240 	dbg_dump_csum("internal old_cstotal", &sb->fs_old_cstotal);
241 
242 	fprintf(dbg_log, "fmod              int8_t           0x%02x\n",
243 	    sb->fs_fmod);
244 	fprintf(dbg_log, "clean             int8_t           0x%02x\n",
245 	    sb->fs_clean);
246 	fprintf(dbg_log, "ronly             int8_t           0x%02x\n",
247 	    sb->fs_ronly);
248 	fprintf(dbg_log, "old_flags         int8_t           0x%02x\n",
249 	    sb->fs_old_flags);
250 	fprintf(dbg_log, "fsmnt             u_char[MAXMNTLEN] \"%s\"\n",
251 	    sb->fs_fsmnt);
252 	fprintf(dbg_log, "volname           u_char[MAXVOLLEN] \"%s\"\n",
253 	    sb->fs_volname);
254 	fprintf(dbg_log, "swuid             u_int64_t        0x%08x%08x\n",
255 	    ((unsigned int *)&(sb->fs_swuid))[1],
256 		((unsigned int *)&(sb->fs_swuid))[0]);
257 
258 	fprintf(dbg_log, "pad               int32_t          0x%08x\n",
259 	    sb->fs_pad);
260 
261 	fprintf(dbg_log, "cgrotor           int32_t          0x%08x\n",
262 	    sb->fs_cgrotor);
263 /*
264  * struct csum[MAXCSBUFS] - is only maintained in memory
265  */
266 /*	fprintf(dbg_log, " int32_t\n", sb->*fs_maxcluster);*/
267 	fprintf(dbg_log, "old_cpc           int32_t          0x%08x\n",
268 	    sb->fs_old_cpc);
269 /*
270  * int16_t fs_opostbl[16][8] - is dumped when used in dbg_dump_sptbl
271  */
272 	fprintf(dbg_log, "maxbsize          int32_t          0x%08x\n",
273 	    sb->fs_maxbsize);
274 	fprintf(dbg_log, "unrefs            int64_t          0x%08jx\n",
275 	    sb->fs_unrefs);
276 	fprintf(dbg_log, "sblockloc         int64_t          0x%08x%08x\n",
277 		((unsigned int *)&(sb->fs_sblockloc))[1],
278 		((unsigned int *)&(sb->fs_sblockloc))[0]);
279 
280 	dbg_dump_csum_total("internal cstotal", &sb->fs_cstotal);
281 
282 	fprintf(dbg_log, "time              ufs_time_t       %10u\n",
283 	    (unsigned int)sb->fs_time);
284 
285 	fprintf(dbg_log, "size              int64_t          0x%08x%08x\n",
286 		((unsigned int *)&(sb->fs_size))[1],
287 		((unsigned int *)&(sb->fs_size))[0]);
288 	fprintf(dbg_log, "dsize             int64_t          0x%08x%08x\n",
289 		((unsigned int *)&(sb->fs_dsize))[1],
290 		((unsigned int *)&(sb->fs_dsize))[0]);
291 	fprintf(dbg_log, "csaddr            ufs2_daddr_t     0x%08x%08x\n",
292 		((unsigned int *)&(sb->fs_csaddr))[1],
293 		((unsigned int *)&(sb->fs_csaddr))[0]);
294 	fprintf(dbg_log, "pendingblocks     int64_t          0x%08x%08x\n",
295 		((unsigned int *)&(sb->fs_pendingblocks))[1],
296 		((unsigned int *)&(sb->fs_pendingblocks))[0]);
297 	fprintf(dbg_log, "pendinginodes     int32_t          0x%08x\n",
298 	    sb->fs_pendinginodes);
299 
300 	for (j = 0; j < FSMAXSNAP; j++) {
301 		fprintf(dbg_log, "snapinum          int32_t[%2d]      0x%08x\n",
302 		    j, sb->fs_snapinum[j]);
303 		if (!sb->fs_snapinum[j]) { /* list is dense */
304 			break;
305 		}
306 	}
307 	fprintf(dbg_log, "avgfilesize       int32_t          0x%08x\n",
308 	    sb->fs_avgfilesize);
309 	fprintf(dbg_log, "avgfpdir          int32_t          0x%08x\n",
310 	    sb->fs_avgfpdir);
311 	fprintf(dbg_log, "save_cgsize       int32_t          0x%08x\n",
312 	    sb->fs_save_cgsize);
313 	fprintf(dbg_log, "flags             int32_t          0x%08x\n",
314 	    sb->fs_flags);
315 	fprintf(dbg_log, "contigsumsize     int32_t          0x%08x\n",
316 	    sb->fs_contigsumsize);
317 	fprintf(dbg_log, "maxsymlinklen     int32_t          0x%08x\n",
318 	    sb->fs_maxsymlinklen);
319 	fprintf(dbg_log, "old_inodefmt      int32_t          0x%08x\n",
320 	    sb->fs_old_inodefmt);
321 	fprintf(dbg_log, "maxfilesize       u_int64_t        0x%08x%08x\n",
322 	    ((unsigned int *)&(sb->fs_maxfilesize))[1],
323 	    ((unsigned int *)&(sb->fs_maxfilesize))[0]);
324 	fprintf(dbg_log, "qbmask            int64_t          0x%08x%08x\n",
325 	    ((unsigned int *)&(sb->fs_qbmask))[1],
326 	    ((unsigned int *)&(sb->fs_qbmask))[0]);
327 	fprintf(dbg_log, "qfmask            int64_t          0x%08x%08x\n",
328 	    ((unsigned int *)&(sb->fs_qfmask))[1],
329 	    ((unsigned int *)&(sb->fs_qfmask))[0]);
330 	fprintf(dbg_log, "state             int32_t          0x%08x\n",
331 	    sb->fs_state);
332 	fprintf(dbg_log, "old_postblformat  int32_t          0x%08x\n",
333 	    sb->fs_old_postblformat);
334 	fprintf(dbg_log, "old_nrpos         int32_t          0x%08x\n",
335 	    sb->fs_old_nrpos);
336 	fprintf(dbg_log, "spare5            int32_t[2]       0x%08x 0x%08x\n",
337 	    sb->fs_spare5[0], sb->fs_spare5[1]);
338 	fprintf(dbg_log, "magic             int32_t          0x%08x\n",
339 	    sb->fs_magic);
340 
341 	indent--;
342 	fprintf(dbg_log, "===== END SUPERBLOCK =====\n");
343 
344 	return;
345 }
346 
347 /*
348  * Dump a cylinder group.
349  */
350 void
351 dbg_dump_cg(const char *comment, struct cg *cgr)
352 {
353 	int j;
354 
355 	if (!dbg_log)
356 		return;
357 
358 	fprintf(dbg_log, "===== START CYLINDER GROUP =====\n");
359 	fprintf(dbg_log, "# %d@%lx: %s\n", indent, (unsigned long)cgr, comment);
360 	indent++;
361 
362 	fprintf(dbg_log, "magic         int32_t    0x%08x\n", cgr->cg_magic);
363 	fprintf(dbg_log, "old_time      int32_t    0x%08x\n", cgr->cg_old_time);
364 	fprintf(dbg_log, "cgx           int32_t    0x%08x\n", cgr->cg_cgx);
365 	fprintf(dbg_log, "old_ncyl      int16_t    0x%04x\n", cgr->cg_old_ncyl);
366 	fprintf(dbg_log, "old_niblk     int16_t    0x%04x\n", cgr->cg_old_niblk);
367 	fprintf(dbg_log, "ndblk         int32_t    0x%08x\n", cgr->cg_ndblk);
368 	dbg_dump_csum("internal cs", &cgr->cg_cs);
369 	fprintf(dbg_log, "rotor         int32_t    0x%08x\n", cgr->cg_rotor);
370 	fprintf(dbg_log, "frotor        int32_t    0x%08x\n", cgr->cg_frotor);
371 	fprintf(dbg_log, "irotor        int32_t    0x%08x\n", cgr->cg_irotor);
372 	for (j = 0; j < MAXFRAG; j++) {
373 		fprintf(dbg_log, "frsum         int32_t[%d] 0x%08x\n", j,
374 		    cgr->cg_frsum[j]);
375 	}
376 	fprintf(dbg_log, "old_btotoff   int32_t    0x%08x\n", cgr->cg_old_btotoff);
377 	fprintf(dbg_log, "old_boff      int32_t    0x%08x\n", cgr->cg_old_boff);
378 	fprintf(dbg_log, "iusedoff      int32_t    0x%08x\n", cgr->cg_iusedoff);
379 	fprintf(dbg_log, "freeoff       int32_t    0x%08x\n", cgr->cg_freeoff);
380 	fprintf(dbg_log, "nextfreeoff   int32_t    0x%08x\n",
381 	    cgr->cg_nextfreeoff);
382 	fprintf(dbg_log, "clustersumoff int32_t    0x%08x\n",
383 	    cgr->cg_clustersumoff);
384 	fprintf(dbg_log, "clusteroff    int32_t    0x%08x\n",
385 	    cgr->cg_clusteroff);
386 	fprintf(dbg_log, "nclusterblks  int32_t    0x%08x\n",
387 	    cgr->cg_nclusterblks);
388 	fprintf(dbg_log, "niblk         int32_t    0x%08x\n", cgr->cg_niblk);
389 	fprintf(dbg_log, "initediblk    int32_t    0x%08x\n", cgr->cg_initediblk);
390 	fprintf(dbg_log, "unrefs        int32_t    0x%08x\n", cgr->cg_unrefs);
391 	fprintf(dbg_log, "time          ufs_time_t %10u\n",
392 		(unsigned int)cgr->cg_initediblk);
393 
394 	indent--;
395 	fprintf(dbg_log, "===== END CYLINDER GROUP =====\n");
396 
397 	return;
398 }
399 
400 /*
401  * Dump a cylinder summary.
402  */
403 void
404 dbg_dump_csum(const char *comment, struct csum *cs)
405 {
406 
407 	if (!dbg_log)
408 		return;
409 
410 	fprintf(dbg_log, "===== START CYLINDER SUMMARY =====\n");
411 	fprintf(dbg_log, "# %d@%lx: %s\n", indent, (unsigned long)cs, comment);
412 	indent++;
413 
414 	fprintf(dbg_log, "ndir   int32_t 0x%08x\n", cs->cs_ndir);
415 	fprintf(dbg_log, "nbfree int32_t 0x%08x\n", cs->cs_nbfree);
416 	fprintf(dbg_log, "nifree int32_t 0x%08x\n", cs->cs_nifree);
417 	fprintf(dbg_log, "nffree int32_t 0x%08x\n", cs->cs_nffree);
418 
419 	indent--;
420 	fprintf(dbg_log, "===== END CYLINDER SUMMARY =====\n");
421 
422 	return;
423 }
424 
425 /*
426  * Dump a cylinder summary.
427  */
428 void
429 dbg_dump_csum_total(const char *comment, struct csum_total *cs)
430 {
431 
432 	if (!dbg_log)
433 		return;
434 
435 	fprintf(dbg_log, "===== START CYLINDER SUMMARY TOTAL =====\n");
436 	fprintf(dbg_log, "# %d@%lx: %s\n", indent, (unsigned long)cs, comment);
437 	indent++;
438 
439 	fprintf(dbg_log, "ndir        int64_t 0x%08x%08x\n",
440 		((unsigned int *)&(cs->cs_ndir))[1],
441 		((unsigned int *)&(cs->cs_ndir))[0]);
442 	fprintf(dbg_log, "nbfree      int64_t 0x%08x%08x\n",
443 		((unsigned int *)&(cs->cs_nbfree))[1],
444 		((unsigned int *)&(cs->cs_nbfree))[0]);
445 	fprintf(dbg_log, "nifree      int64_t 0x%08x%08x\n",
446 		((unsigned int *)&(cs->cs_nifree))[1],
447 		((unsigned int *)&(cs->cs_nifree))[0]);
448 	fprintf(dbg_log, "nffree      int64_t 0x%08x%08x\n",
449 		((unsigned int *)&(cs->cs_nffree))[1],
450 		((unsigned int *)&(cs->cs_nffree))[0]);
451 	fprintf(dbg_log, "numclusters int64_t 0x%08x%08x\n",
452 		((unsigned int *)&(cs->cs_numclusters))[1],
453 		((unsigned int *)&(cs->cs_numclusters))[0]);
454 
455 	indent--;
456 	fprintf(dbg_log, "===== END CYLINDER SUMMARY TOTAL =====\n");
457 
458 	return;
459 }
460 /*
461  * Dump the inode allocation map in one cylinder group.
462  */
463 void
464 dbg_dump_inmap(struct fs *sb, const char *comment, struct cg *cgr)
465 {
466 	int j,k,l,e;
467 	unsigned char *cp;
468 
469 	if (!dbg_log)
470 		return;
471 
472 	fprintf(dbg_log, "===== START INODE ALLOCATION MAP =====\n");
473 	fprintf(dbg_log, "# %d@%lx: %s\n", indent, (unsigned long)cgr, comment);
474 	indent++;
475 
476 	cp = (unsigned char *)cg_inosused(cgr);
477 	e = sb->fs_ipg / 8;
478 	for (j = 0; j < e; j += 32) {
479 		fprintf(dbg_log, "%08x: ", j);
480 		for (k = 0; k < 32; k += 8) {
481 			if (j + k + 8 < e) {
482 				fprintf(dbg_log,
483 				    "%02x%02x%02x%02x%02x%02x%02x%02x ",
484 				    cp[0], cp[1], cp[2], cp[3],
485 				    cp[4], cp[5], cp[6], cp[7]);
486 			} else {
487 				for (l = 0; (l < 8) && (j + k + l < e); l++) {
488 					fprintf(dbg_log, "%02x", cp[l]);
489 				}
490 			}
491 			cp += 8;
492 		}
493 		fprintf(dbg_log, "\n");
494 	}
495 
496 	indent--;
497 	fprintf(dbg_log, "===== END INODE ALLOCATION MAP =====\n");
498 
499 	return;
500 }
501 
502 
503 /*
504  * Dump the fragment allocation map in one cylinder group.
505  */
506 void
507 dbg_dump_frmap(struct fs *sb, const char *comment, struct cg *cgr)
508 {
509 	int j,k,l,e;
510 	unsigned char *cp;
511 
512 	if (!dbg_log)
513 		return;
514 
515 	fprintf(dbg_log, "===== START FRAGMENT ALLOCATION MAP =====\n");
516 	fprintf(dbg_log, "# %d@%lx: %s\n", indent, (unsigned long)cgr, comment);
517 	indent++;
518 
519 	cp = (unsigned char *)cg_blksfree(cgr);
520 	if (sb->fs_old_nspf)
521 		e = howmany(sb->fs_old_cpg * sb->fs_old_spc / sb->fs_old_nspf,
522 		    CHAR_BIT);
523 	else
524 		e = 0;
525 	for (j = 0; j < e; j += 32) {
526 		fprintf(dbg_log, "%08x: ", j);
527 		for (k = 0; k < 32; k += 8) {
528 			if (j + k + 8 <e) {
529 				fprintf(dbg_log,
530 				    "%02x%02x%02x%02x%02x%02x%02x%02x ",
531 				    cp[0], cp[1], cp[2], cp[3],
532 				    cp[4], cp[5], cp[6], cp[7]);
533 			} else {
534 				for (l = 0; (l < 8) && (j + k + l < e); l++) {
535 					fprintf(dbg_log, "%02x", cp[l]);
536 				}
537 			}
538 			cp += 8;
539 		}
540 		fprintf(dbg_log, "\n");
541 	}
542 
543 	indent--;
544 	fprintf(dbg_log, "===== END FRAGMENT ALLOCATION MAP =====\n");
545 
546 	return;
547 }
548 
549 /*
550  * Dump the cluster allocation map in one cylinder group.
551  */
552 void
553 dbg_dump_clmap(struct fs *sb, const char *comment, struct cg *cgr)
554 {
555 	int j,k,l,e;
556 	unsigned char *cp;
557 
558 	if (!dbg_log)
559 		return;
560 
561 	fprintf(dbg_log, "===== START CLUSTER ALLOCATION MAP =====\n");
562 	fprintf(dbg_log, "# %d@%lx: %s\n", indent, (unsigned long)cgr, comment);
563 	indent++;
564 
565 	cp = (unsigned char *)cg_clustersfree(cgr);
566 	if (sb->fs_old_nspf)
567 		e = howmany(sb->fs_old_cpg * sb->fs_old_spc / (sb->fs_old_nspf << sb->fs_fragshift), CHAR_BIT);
568 	else
569 		e = 0;
570 	for (j = 0; j < e; j += 32) {
571 		fprintf(dbg_log, "%08x: ", j);
572 		for (k = 0; k < 32; k += 8) {
573 			if (j + k + 8 < e) {
574 				fprintf(dbg_log,
575 				    "%02x%02x%02x%02x%02x%02x%02x%02x ",
576 				    cp[0], cp[1], cp[2], cp[3],
577 				    cp[4], cp[5], cp[6], cp[7]);
578 			} else {
579 				for (l = 0; (l < 8) && (j + k + l <e); l++) {
580 					fprintf(dbg_log, "%02x", cp[l]);
581 				}
582 			}
583 			cp += 8;
584 		}
585 		fprintf(dbg_log, "\n");
586 	}
587 
588 	indent--;
589 	fprintf(dbg_log, "===== END CLUSTER ALLOCATION MAP =====\n");
590 
591 	return;
592 }
593 
594 /*
595  * Dump the cluster availability summary of one cylinder group.
596  */
597 void
598 dbg_dump_clsum(struct fs *sb, const char *comment, struct cg *cgr)
599 {
600 	int j;
601 	int *ip;
602 
603 	if (!dbg_log)
604 		return;
605 
606 	fprintf(dbg_log, "===== START CLUSTER SUMMARY =====\n");
607 	fprintf(dbg_log, "# %d@%lx: %s\n", indent, (unsigned long)cgr, comment);
608 	indent++;
609 
610 	ip = (int *)cg_clustersum(cgr);
611 	for (j = 0; j <= sb->fs_contigsumsize; j++) {
612 		fprintf(dbg_log, "%02d: %8d\n", j, *ip++);
613 	}
614 
615 	indent--;
616 	fprintf(dbg_log, "===== END CLUSTER SUMMARY =====\n");
617 
618 	return;
619 }
620 
621 #ifdef NOT_CURRENTLY
622 /*
623  * This code dates from before the UFS2 integration, and doesn't compile
624  * post-UFS2 due to the use of cg_blks().  I'm not sure how best to update
625  * this for UFS2, where the rotational bits of UFS no longer apply, so
626  * will leave it disabled for now; it should probably be re-enabled
627  * specifically for UFS1.
628  */
629 /*
630  * Dump the block summary, and the rotational layout table.
631  */
632 void
633 dbg_dump_sptbl(struct fs *sb, const char *comment, struct cg *cgr)
634 {
635 	int j,k;
636 	int *ip;
637 
638 	if (!dbg_log)
639 		return;
640 
641 	fprintf(dbg_log,
642 	    "===== START BLOCK SUMMARY AND POSITION TABLE =====\n");
643 	fprintf(dbg_log, "# %d@%lx: %s\n", indent, (unsigned long)cgr, comment);
644 	indent++;
645 
646 	ip = (int *)cg_blktot(cgr);
647 	for (j = 0; j < sb->fs_old_cpg; j++) {
648 		fprintf(dbg_log, "%2d: %5d = ", j, *ip++);
649 		for (k = 0; k < sb->fs_old_nrpos; k++) {
650 			fprintf(dbg_log, "%4d", cg_blks(sb, cgr, j)[k]);
651 			if (k < sb->fs_old_nrpos - 1)
652 				fprintf(dbg_log, " + ");
653 		}
654 		fprintf(dbg_log, "\n");
655 	}
656 
657 	indent--;
658 	fprintf(dbg_log, "===== END BLOCK SUMMARY AND POSITION TABLE =====\n");
659 
660 	return;
661 }
662 #endif
663 
664 /*
665  * Dump a UFS1 inode structure.
666  */
667 void
668 dbg_dump_ufs1_ino(struct fs *sb, const char *comment, struct ufs1_dinode *ino)
669 {
670 	int ictr;
671 	int remaining_blocks;
672 
673 	if (!dbg_log)
674 		return;
675 
676 	fprintf(dbg_log, "===== START UFS1 INODE DUMP =====\n");
677 	fprintf(dbg_log, "# %d@%lx: %s\n", indent, (unsigned long)ino, comment);
678 	indent++;
679 
680 	fprintf(dbg_log, "mode       u_int16_t      0%o\n", ino->di_mode);
681 	fprintf(dbg_log, "nlink      int16_t        0x%04x\n", ino->di_nlink);
682 	fprintf(dbg_log, "size       u_int64_t      0x%08x%08x\n",
683 	    ((unsigned int *)&(ino->di_size))[1],
684 	    ((unsigned int *)&(ino->di_size))[0]);
685 	fprintf(dbg_log, "atime      int32_t        0x%08x\n", ino->di_atime);
686 	fprintf(dbg_log, "atimensec  int32_t        0x%08x\n",
687 	    ino->di_atimensec);
688 	fprintf(dbg_log, "mtime      int32_t        0x%08x\n",
689 	    ino->di_mtime);
690 	fprintf(dbg_log, "mtimensec  int32_t        0x%08x\n",
691 	    ino->di_mtimensec);
692 	fprintf(dbg_log, "ctime      int32_t        0x%08x\n", ino->di_ctime);
693 	fprintf(dbg_log, "ctimensec  int32_t        0x%08x\n",
694 	    ino->di_ctimensec);
695 
696 	remaining_blocks = howmany(ino->di_size, sb->fs_bsize); /* XXX ts - +1? */
697 	for (ictr = 0; ictr < MIN(UFS_NDADDR, remaining_blocks); ictr++) {
698 		fprintf(dbg_log, "db         ufs_daddr_t[%x] 0x%08x\n", ictr,
699 		    ino->di_db[ictr]);
700 	}
701 	remaining_blocks -= UFS_NDADDR;
702 	if (remaining_blocks > 0) {
703 		fprintf(dbg_log, "ib         ufs_daddr_t[0] 0x%08x\n",
704 		    ino->di_ib[0]);
705 	}
706 	remaining_blocks -= howmany(sb->fs_bsize, sizeof(ufs1_daddr_t));
707 	if (remaining_blocks > 0) {
708 		fprintf(dbg_log, "ib         ufs_daddr_t[1] 0x%08x\n",
709 		    ino->di_ib[1]);
710 	}
711 #define SQUARE(a) ((a) * (a))
712 	remaining_blocks -= SQUARE(howmany(sb->fs_bsize, sizeof(ufs1_daddr_t)));
713 #undef SQUARE
714 	if (remaining_blocks > 0) {
715 		fprintf(dbg_log, "ib         ufs_daddr_t[2] 0x%08x\n",
716 		    ino->di_ib[2]);
717 	}
718 
719 	fprintf(dbg_log, "flags      u_int32_t      0x%08x\n", ino->di_flags);
720 	fprintf(dbg_log, "blocks     int32_t        0x%08x\n", ino->di_blocks);
721 	fprintf(dbg_log, "gen        int32_t        0x%08x\n", ino->di_gen);
722 	fprintf(dbg_log, "uid        u_int32_t      0x%08x\n", ino->di_uid);
723 	fprintf(dbg_log, "gid        u_int32_t      0x%08x\n", ino->di_gid);
724 
725 	indent--;
726 	fprintf(dbg_log, "===== END UFS1 INODE DUMP =====\n");
727 
728 	return;
729 }
730 
731 /*
732  * Dump a UFS2 inode structure.
733  */
734 void
735 dbg_dump_ufs2_ino(struct fs *sb, const char *comment, struct ufs2_dinode *ino)
736 {
737 	int ictr;
738 	int remaining_blocks;
739 
740 	if (!dbg_log)
741 		return;
742 
743 	fprintf(dbg_log, "===== START UFS2 INODE DUMP =====\n");
744 	fprintf(dbg_log, "# %d@%lx: %s\n", indent, (unsigned long)ino, comment);
745 	indent++;
746 
747 	fprintf(dbg_log, "mode       u_int16_t      0%o\n", ino->di_mode);
748 	fprintf(dbg_log, "nlink      int16_t        0x%04x\n", ino->di_nlink);
749 	fprintf(dbg_log, "uid        u_int32_t      0x%08x\n", ino->di_uid);
750 	fprintf(dbg_log, "gid        u_int32_t      0x%08x\n", ino->di_gid);
751 	fprintf(dbg_log, "blksize    u_int32_t      0x%08x\n", ino->di_blksize);
752 	fprintf(dbg_log, "size       u_int64_t      0x%08x%08x\n",
753 	    ((unsigned int *)&(ino->di_size))[1],
754 	    ((unsigned int *)&(ino->di_size))[0]);
755 	fprintf(dbg_log, "blocks     u_int64_t      0x%08x%08x\n",
756 	    ((unsigned int *)&(ino->di_blocks))[1],
757 	    ((unsigned int *)&(ino->di_blocks))[0]);
758 	fprintf(dbg_log, "atime      ufs_time_t     %10jd\n", ino->di_atime);
759 	fprintf(dbg_log, "mtime      ufs_time_t     %10jd\n", ino->di_mtime);
760 	fprintf(dbg_log, "ctime      ufs_time_t     %10jd\n", ino->di_ctime);
761 	fprintf(dbg_log, "birthtime  ufs_time_t     %10jd\n", ino->di_birthtime);
762 	fprintf(dbg_log, "mtimensec  int32_t        0x%08x\n", ino->di_mtimensec);
763 	fprintf(dbg_log, "atimensec  int32_t        0x%08x\n", ino->di_atimensec);
764 	fprintf(dbg_log, "ctimensec  int32_t        0x%08x\n", ino->di_ctimensec);
765 	fprintf(dbg_log, "birthnsec  int32_t        0x%08x\n", ino->di_birthnsec);
766 	fprintf(dbg_log, "gen        int32_t        0x%08x\n", ino->di_gen);
767 	fprintf(dbg_log, "kernflags  u_int32_t      0x%08x\n", ino->di_kernflags);
768 	fprintf(dbg_log, "flags      u_int32_t      0x%08x\n", ino->di_flags);
769 	fprintf(dbg_log, "extsize    u_int32_t      0x%08x\n", ino->di_extsize);
770 
771 	/* XXX: What do we do with di_extb[UFS_NXADDR]? */
772 
773 	remaining_blocks = howmany(ino->di_size, sb->fs_bsize); /* XXX ts - +1? */
774 	for (ictr = 0; ictr < MIN(UFS_NDADDR, remaining_blocks); ictr++) {
775 		fprintf(dbg_log, "db         ufs2_daddr_t[%x] 0x%16jx\n", ictr,
776 		    ino->di_db[ictr]);
777 	}
778 	remaining_blocks -= UFS_NDADDR;
779 	if (remaining_blocks > 0) {
780 		fprintf(dbg_log, "ib         ufs2_daddr_t[0] 0x%16jx\n",
781 		    ino->di_ib[0]);
782 	}
783 	remaining_blocks -= howmany(sb->fs_bsize, sizeof(ufs2_daddr_t));
784 	if (remaining_blocks > 0) {
785 		fprintf(dbg_log, "ib         ufs2_daddr_t[1] 0x%16jx\n",
786 		    ino->di_ib[1]);
787 	}
788 #define SQUARE(a) ((a) * (a))
789 	remaining_blocks -= SQUARE(howmany(sb->fs_bsize, sizeof(ufs2_daddr_t)));
790 #undef SQUARE
791 	if (remaining_blocks > 0) {
792 		fprintf(dbg_log, "ib         ufs2_daddr_t[2] 0x%16jx\n",
793 		    ino->di_ib[2]);
794 	}
795 
796 	indent--;
797 	fprintf(dbg_log, "===== END UFS2 INODE DUMP =====\n");
798 
799 	return;
800 }
801 
802 /*
803  * Dump an indirect block. The iteration to dump a full file has to be
804  * written around.
805  */
806 void
807 dbg_dump_iblk(struct fs *sb, const char *comment, char *block, size_t length)
808 {
809 	unsigned int *mem, i, j, size;
810 
811 	if (!dbg_log)
812 		return;
813 
814 	fprintf(dbg_log, "===== START INDIRECT BLOCK DUMP =====\n");
815 	fprintf(dbg_log, "# %d@%lx: %s\n", indent, (unsigned long)block,
816 	    comment);
817 	indent++;
818 
819 	if (sb->fs_magic == FS_UFS1_MAGIC)
820 		size = sizeof(ufs1_daddr_t);
821 	else
822 		size = sizeof(ufs2_daddr_t);
823 
824 	mem = (unsigned int *)block;
825 	for (i = 0; (size_t)i < MIN(howmany(sb->fs_bsize, size), length);
826 	    i += 8) {
827 		fprintf(dbg_log, "%04x: ", i);
828 		for (j = 0; j < 8; j++) {
829 			if ((size_t)(i + j) < length)
830 				fprintf(dbg_log, "%08X ", *mem++);
831 		}
832 		fprintf(dbg_log, "\n");
833 	}
834 
835 	indent--;
836 	fprintf(dbg_log, "===== END INDIRECT BLOCK DUMP =====\n");
837 
838 	return;
839 }
840 
841 #endif /* FS_DEBUG */
842 
843