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2976 remove useless offsetof() macros
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--- old/usr/src/cmd/mdb/common/modules/ii/ii.c
+++ new/usr/src/cmd/mdb/common/modules/ii/ii.c
1 1 /*
2 2 * CDDL HEADER START
3 3 *
4 4 * The contents of this file are subject to the terms of the
5 5 * Common Development and Distribution License (the "License").
6 6 * You may not use this file except in compliance with the License.
7 7 *
8 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 9 * or http://www.opensolaris.org/os/licensing.
10 10 * See the License for the specific language governing permissions
11 11 * and limitations under the License.
12 12 *
13 13 * When distributing Covered Code, include this CDDL HEADER in each
14 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 15 * If applicable, add the following below this CDDL HEADER, with the
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16 16 * fields enclosed by brackets "[]" replaced with your own identifying
17 17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 18 *
19 19 * CDDL HEADER END
20 20 */
21 21 /*
22 22 * Copyright 2008 Sun Microsystems, Inc. All rights reserved.
23 23 * Use is subject to license terms.
24 24 */
25 25
26 +#include <stddef.h>
27 +
26 28 #include <sys/types.h>
27 29 #include <sys/mdb_modapi.h>
28 30
29 31 #include <sys/nsctl/nsctl.h>
30 32 #include <sys/unistat/spcs_s.h>
31 33 #include <sys/unistat/spcs_s_k.h>
32 34
33 35
34 36 #include <sys/nsctl/dsw.h>
35 37 #include <sys/nsctl/dsw_dev.h>
36 38
37 39 #include <sys/nsctl/nsvers.h>
38 40
39 -#define offsetof(s, m) ((size_t)(&((s *)0)->m))
40 -
41 41
42 42 const mdb_bitmask_t bi_flags_bits[] = {
43 43 { "DSW_GOLDEN", DSW_GOLDEN, DSW_GOLDEN },
44 44 { "DSW_COPYINGP", DSW_COPYINGP, DSW_COPYINGP },
45 45 { "DSW_COPYINGM", DSW_COPYINGM, DSW_COPYINGM },
46 46 { "DSW_COPYINGS", DSW_COPYINGS, DSW_COPYINGS },
47 47 { "DSW_COPYINGX", DSW_COPYINGX, DSW_COPYINGX },
48 48 { "DSW_BMPOFFLINE", DSW_BMPOFFLINE, DSW_BMPOFFLINE },
49 49 { "DSW_SHDOFFLINE", DSW_SHDOFFLINE, DSW_SHDOFFLINE },
50 50 { "DSW_MSTOFFLINE", DSW_MSTOFFLINE, DSW_MSTOFFLINE },
51 51 { "DSW_OVROFFLINE", DSW_OVROFFLINE, DSW_OVROFFLINE },
52 52 { "DSW_TREEMAP", DSW_TREEMAP, DSW_TREEMAP },
53 53 { "DSW_OVERFLOW", DSW_OVERFLOW, DSW_OVERFLOW },
54 54 { "DSW_SHDEXPORT", DSW_SHDEXPORT, DSW_SHDEXPORT },
55 55 { "DSW_SHDIMPORT", DSW_SHDIMPORT, DSW_SHDIMPORT },
56 56 { "DSW_VOVERFLOW", DSW_VOVERFLOW, DSW_VOVERFLOW },
57 57 { "DSW_HANGING", DSW_HANGING, DSW_HANGING },
58 58 { "DSW_CFGOFFLINE", DSW_CFGOFFLINE, DSW_CFGOFFLINE },
59 59 { "DSW_OVRHDRDRTY", DSW_OVRHDRDRTY, DSW_OVRHDRDRTY },
60 60 { "DSW_RESIZED", DSW_RESIZED, DSW_RESIZED },
61 61 { "DSW_FRECLAIM", DSW_FRECLAIM, DSW_FRECLAIM },
62 62 { NULL, 0, 0 }
63 63 };
64 64
65 65 const mdb_bitmask_t bi_state_bits[] = {
66 66 { "DSW_IOCTL", DSW_IOCTL, DSW_IOCTL },
67 67 { "DSW_CLOSING", DSW_CLOSING, DSW_CLOSING },
68 68 { "DSW_MSTTARGET", DSW_MSTTARGET, DSW_MSTTARGET },
69 69 { "DSW_MULTIMST", DSW_MULTIMST, DSW_MULTIMST },
70 70 { NULL, 0, 0 }
71 71 };
72 72 static uintptr_t nextaddr;
73 73 /*
74 74 * Display a ii_fd_t
75 75 * Requires an address.
76 76 */
77 77 /*ARGSUSED*/
78 78 static int
79 79 ii_fd(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
80 80 {
81 81 ii_fd_t fd;
82 82
83 83 if (!(flags & DCMD_ADDRSPEC))
84 84 return (DCMD_USAGE);
85 85
86 86 if (mdb_vread(&fd, sizeof (fd), addr) != sizeof (fd)) {
87 87 mdb_warn("failed to read ii_fd_t at 0x%p", addr);
88 88 return (DCMD_ERR);
89 89 }
90 90
91 91 mdb_inc_indent(4);
92 92 mdb_printf("ii_info: 0x%p ii_bmp: %d ii_shd: %d ii_ovr: %d ii_optr: "
93 93 "0x%p\nii_oflags: 0x%x\n", fd.ii_info, fd.ii_bmp, fd.ii_shd,
94 94 fd.ii_ovr, fd.ii_optr, fd.ii_oflags);
95 95 mdb_dec_indent(4);
96 96
97 97 return (DCMD_OK);
98 98 }
99 99
100 100 /*
101 101 * displays a ii_info_dev structure.
102 102 */
103 103 /*ARGSUSED*/
104 104 static int
105 105 ii_info_dev(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
106 106 {
107 107 _ii_info_dev_t ipdev;
108 108
109 109 if (!(flags & DCMD_ADDRSPEC))
110 110 return (DCMD_USAGE);
111 111
112 112 if (mdb_vread(&ipdev, sizeof (ipdev), addr) != sizeof (ipdev)) {
113 113 mdb_warn("failed to read ii_info_dev_t at 0x%p", addr);
114 114 return (DCMD_ERR);
115 115 }
116 116
117 117 mdb_inc_indent(4);
118 118 mdb_printf("bi_fd: 0x%p bi_iodev: 0x%p bi_tok: 0x%p\n",
119 119 ipdev.bi_fd, ipdev.bi_iodev, ipdev.bi_tok);
120 120 mdb_printf("bi_ref: %d bi_rsrv: %d bi_orsrv: %d\n",
121 121 ipdev.bi_ref, ipdev.bi_rsrv, ipdev.bi_orsrv);
122 122
123 123 /*
124 124 * use nsc_fd to dump the fd details.... if present.
125 125 */
126 126 if (ipdev.bi_fd) {
127 127 mdb_printf("nsc_fd structure:\n");
128 128 mdb_inc_indent(4);
129 129 mdb_call_dcmd("nsc_fd", (uintptr_t)(ipdev.bi_fd),
130 130 flags, 0, NULL);
131 131 mdb_dec_indent(4);
132 132 }
133 133 mdb_dec_indent(4);
134 134 return (DCMD_OK);
135 135 }
136 136
137 137 /*
138 138 * Displays an _ii_overflow structure
139 139 */
140 140 /*ARGSUSED*/
141 141 static int
142 142 ii_overflow(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
143 143 {
144 144 _ii_overflow_t ii_overflow;
145 145
146 146 nextaddr = 0;
147 147 if (!(flags & DCMD_ADDRSPEC))
148 148 return (DCMD_USAGE);
149 149
150 150 if (mdb_vread(&ii_overflow, sizeof (ii_overflow), addr)
151 151 != sizeof (ii_overflow)) {
152 152 mdb_warn("failed to read ii_overflow_t at 0x%p", addr);
153 153 return (DCMD_ERR);
154 154 }
155 155
156 156 mdb_inc_indent(4);
157 157 mdb_printf("_ii_overflow at 0x%p\n", addr);
158 158 mdb_printf("_ii_doverflow_t\n");
159 159 mdb_inc_indent(4);
160 160 mdb_printf("ii_dvolname: %s\n", ii_overflow.ii_volname);
161 161 mdb_printf("ii_dhmagic: %x\n", ii_overflow.ii_hmagic);
162 162 mdb_printf("ii_dhversion: %x\n", ii_overflow.ii_hversion);
163 163 mdb_printf("ii_ddrefcnt: %x\n", ii_overflow.ii_drefcnt);
164 164 mdb_printf("ii_dflags: %x\n", ii_overflow.ii_flags);
165 165 mdb_printf("ii_dfreehead: %x\n", ii_overflow.ii_freehead);
166 166 mdb_printf("ii_dnchunks: %x\n", ii_overflow.ii_nchunks);
167 167 mdb_printf("ii_dunused: %x\n", ii_overflow.ii_unused);
168 168 mdb_printf("ii_dused: %x\n", ii_overflow.ii_used);
169 169 mdb_printf("ii_urefcnt: %x\n", ii_overflow.ii_urefcnt);
170 170 mdb_dec_indent(4);
171 171
172 172 mdb_printf("ii_mutex: %x\n", ii_overflow.ii_mutex);
173 173 mdb_printf("ii_kstat_mutex: %x\n", ii_overflow.ii_kstat_mutex);
174 174 mdb_printf("ii_crefcnt: %d\n", ii_overflow.ii_crefcnt);
175 175 mdb_printf("ii_detachcnt: %d\n", ii_overflow.ii_detachcnt);
176 176 mdb_printf("ii_next: %x\n", ii_overflow.ii_next);
177 177
178 178 mdb_printf("Overflow volume:\n");
179 179 if (ii_overflow.ii_dev)
180 180 ii_info_dev((uintptr_t)ii_overflow.ii_dev, flags, 0, NULL);
181 181
182 182 mdb_printf(" ii_ioname: %s\n", &ii_overflow.ii_ioname);
183 183 mdb_dec_indent(4);
184 184
185 185 nextaddr = (uintptr_t)ii_overflow.ii_next;
186 186 return (DCMD_OK);
187 187 }
188 188 /*ARGSUSED*/
189 189 static int
190 190 ii_info(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
191 191 {
192 192 _ii_info_t ii_info = {0};
193 193 char string[DSW_NAMELEN];
194 194
195 195 nextaddr = 0;
196 196 if (!(flags & DCMD_ADDRSPEC))
197 197 return (DCMD_USAGE);
198 198
199 199 if (mdb_vread(&ii_info, sizeof (ii_info), addr) != sizeof (ii_info)) {
200 200 mdb_warn("failed to read ii_info_t at 0x%p", addr);
201 201 return (DCMD_ERR);
202 202 }
203 203
204 204 mdb_printf(
205 205 "bi_next: 0x%p\n"
206 206 "bi_head: 0x%p\t"
207 207 "bi_sibling: 0x%p\n"
208 208 "bi_master: 0x%p\t"
209 209 "bi_nextmst: 0x%p\n",
210 210 ii_info.bi_next, ii_info.bi_head, ii_info.bi_sibling,
211 211 ii_info.bi_master, ii_info.bi_nextmst);
212 212
213 213 mdb_printf("bi_mutex: 0x%p\n", ii_info.bi_mutex);
214 214
215 215 /*
216 216 * Print out all the fds by using ii_info_dev
217 217 */
218 218 mdb_printf("Cache master:\n");
219 219 if (ii_info.bi_mstdev)
220 220 ii_info_dev((uintptr_t)ii_info.bi_mstdev, flags, 0, NULL);
221 221
222 222 mdb_printf("Raw master:\n");
223 223 if (ii_info.bi_mstrdev)
224 224 ii_info_dev((uintptr_t)ii_info.bi_mstrdev, flags, 0, NULL);
225 225
226 226 mdb_printf("Cache shadow:\n");
227 227 ii_info_dev((uintptr_t)(addr + offsetof(_ii_info_t, bi_shddev)),
228 228 flags, 0, NULL);
229 229
230 230 mdb_printf("Raw shadow:\n");
231 231 ii_info_dev((uintptr_t)(addr + offsetof(_ii_info_t, bi_shdrdev)),
232 232 flags, 0, NULL);
233 233
234 234 mdb_printf("Bitmap:\n");
235 235 ii_info_dev((uintptr_t)(addr + offsetof(_ii_info_t, bi_bmpdev)),
236 236 flags, 0, NULL);
237 237
238 238 mdb_printf("bi_keyname: %-*s\n", DSW_NAMELEN, ii_info.bi_keyname);
239 239 mdb_printf("bi_bitmap: 0x%p\n", ii_info.bi_bitmap);
240 240
241 241 if ((ii_info.bi_cluster == NULL) ||
242 242 (mdb_vread(&string, sizeof (string), (uintptr_t)ii_info.bi_cluster)
243 243 != sizeof (string)))
244 244 string[0] = 0;
245 245 mdb_printf("bi_cluster: %s\n", string);
246 246
247 247 if ((ii_info.bi_group == NULL) ||
248 248 (mdb_vread(&string, sizeof (string), (uintptr_t)ii_info.bi_group)
249 249 != sizeof (string)))
250 250 string[0] = 0;
251 251 mdb_printf("bi_group: %s\n", string);
252 252
253 253 mdb_printf("bi_busy: 0x%p\n", ii_info.bi_busy);
254 254
255 255 mdb_printf("bi_shdfba: %0x\t", ii_info.bi_shdfba);
256 256 mdb_printf("bi_shdbits: %0x\n", ii_info.bi_shdbits);
257 257 mdb_printf("bi_copyfba: %0x\t", ii_info.bi_copyfba);
258 258 mdb_printf("bi_copybits: %0x\n", ii_info.bi_copybits);
259 259
260 260 mdb_printf("bi_size: %0x\n", ii_info.bi_size);
261 261
262 262 mdb_printf("bi_flags: 0x%x <%b>\n",
263 263 ii_info.bi_flags, ii_info.bi_flags, bi_flags_bits);
264 264
265 265 mdb_printf("bi_state: 0x%x <%b>\n",
266 266 ii_info.bi_state, ii_info.bi_state, bi_state_bits);
267 267
268 268 mdb_printf("bi_disabled: %d\n", ii_info.bi_disabled);
269 269 mdb_printf("bi_ioctl: %d\n", ii_info.bi_ioctl);
270 270 mdb_printf("bi_release: %d\t", ii_info.bi_release);
271 271 mdb_printf("bi_rsrvcnt: %d\n", ii_info.bi_rsrvcnt);
272 272
273 273 mdb_printf("bi_copydonecv: %x\t", ii_info.bi_copydonecv);
274 274 mdb_printf("bi_reservecv: %x\n", ii_info.bi_reservecv);
275 275 mdb_printf("bi_releasecv: %x\t", ii_info.bi_releasecv);
276 276 mdb_printf("bi_closingcv: %x\n", ii_info.bi_closingcv);
277 277 mdb_printf("bi_ioctlcv: %x\t", ii_info.bi_ioctlcv);
278 278 mdb_printf("bi_busycv: %x\n", ii_info.bi_busycv);
279 279 mdb_call_dcmd("rwlock", (uintptr_t)(addr +
280 280 offsetof(_ii_info_t, bi_busyrw)), flags, 0, NULL);
281 281 mdb_printf("bi_bitmap_ops: 0x%p\n", ii_info.bi_bitmap_ops);
282 282
283 283 mdb_printf("bi_rsrvmutex: %x\t", ii_info.bi_rsrvmutex);
284 284 mdb_printf("bi_rlsemutex: %x\n", ii_info.bi_rlsemutex);
285 285 mdb_printf("bi_bmpmutex: %x\n", ii_info.bi_bmpmutex);
286 286
287 287 mdb_printf("bi_mstchks: %d\t", ii_info.bi_mstchks);
288 288 mdb_printf("bi_shdchks: %d\n", ii_info.bi_shdchks);
289 289 mdb_printf("bi_shdchkused: %d\t", ii_info.bi_shdchkused);
290 290 mdb_printf("bi_shdfchk: %d\n", ii_info.bi_shdfchk);
291 291
292 292 mdb_printf("bi_overflow\n");
293 293 if (ii_info.bi_overflow)
294 294 ii_overflow((uintptr_t)ii_info.bi_overflow, flags, 0, NULL);
295 295
296 296 mdb_printf("bi_iifd:\n");
297 297 if (ii_info.bi_iifd)
298 298 (void) ii_fd((uintptr_t)ii_info.bi_iifd, flags, 0, NULL);
299 299
300 300 mdb_printf("bi_throttle_unit: %d\t", ii_info.bi_throttle_unit);
301 301 mdb_printf("bi_throttle_delay: %d\n", ii_info.bi_throttle_delay);
302 302
303 303 mdb_printf("bi_linkrw:\n");
304 304 mdb_call_dcmd("rwlock", (uintptr_t)(addr +
305 305 offsetof(_ii_info_t, bi_linkrw)), flags, 0, NULL);
306 306
307 307 mdb_printf("bi_chksmutex: %x\n", ii_info.bi_chksmutex);
308 308 mdb_printf("bi_locked_pid: %x\n", ii_info.bi_locked_pid);
309 309 mdb_printf("bi_kstat: 0x%p\n", ii_info.bi_kstat);
310 310 /* ii_kstat_info_t bi_kstat_io; */
311 311
312 312 nextaddr = (uintptr_t)ii_info.bi_next;
313 313 return (DCMD_OK);
314 314 }
315 315
316 316 /*
317 317 * This should be a walker surely.
318 318 */
319 319 /*ARGSUSED*/
320 320 static int
321 321 ii_info_all(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
322 322 {
323 323 uintptr_t myaddr;
324 324 /*
325 325 * we use the global address.
326 326 */
327 327 if (flags & DCMD_ADDRSPEC)
328 328 return (DCMD_USAGE);
329 329
330 330 if (mdb_readsym(&myaddr, sizeof (myaddr), "_ii_info_top") !=
331 331 sizeof (myaddr)) {
332 332 return (DCMD_ERR);
333 333 }
334 334
335 335 mdb_printf("_ii_info_top contains 0x%lx\n", myaddr);
336 336
337 337 while (myaddr) {
338 338 ii_info(myaddr, DCMD_ADDRSPEC, 0, NULL);
339 339 myaddr = nextaddr;
340 340 }
341 341 return (DCMD_OK);
342 342 }
343 343
344 344 /*
345 345 * Display general ii module information.
346 346 */
347 347
348 348 #define ii_get_print(kvar, str, fmt, val) \
349 349 if (mdb_readvar(&(val), #kvar) == -1) { \
350 350 mdb_dec_indent(4); \
351 351 mdb_warn("unable to read '" #kvar "'"); \
352 352 return (DCMD_ERR); \
353 353 } \
354 354 mdb_printf("%-20s" fmt "\n", str ":", val)
355 355
356 356 /* ARGSUSED */
357 357 static int
358 358 ii(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
359 359 {
360 360 int maj, min, mic, baseline, i;
361 361
362 362 if (argc != 0)
363 363 return (DCMD_USAGE);
364 364
365 365 if (mdb_readvar(&maj, "dsw_major_rev") == -1) {
366 366 mdb_warn("unable to read 'dsw_major_rev'");
367 367 return (DCMD_ERR);
368 368 }
369 369
370 370 if (mdb_readvar(&min, "dsw_minor_rev") == -1) {
371 371 mdb_warn("unable to read 'dsw_minor_rev'");
372 372 return (DCMD_ERR);
373 373 }
374 374
375 375 if (mdb_readvar(&mic, "dsw_micro_rev") == -1) {
376 376 mdb_warn("unable to read 'dsw_micro_rev'");
377 377 return (DCMD_ERR);
378 378 }
379 379
380 380 if (mdb_readvar(&baseline, "dsw_baseline_rev") == -1) {
381 381 mdb_warn("unable to read 'dsw_baseline_rev'");
382 382 return (DCMD_ERR);
383 383 }
384 384
385 385 mdb_printf("Point-in-Time Copy module version: kernel %d.%d.%d.%d; "
386 386 "mdb %d.%d.%d.%d\n", maj, min, mic, baseline,
387 387 ISS_VERSION_MAJ, ISS_VERSION_MIN, ISS_VERSION_MIC, ISS_VERSION_NUM);
388 388
389 389 mdb_inc_indent(4);
390 390 ii_get_print(ii_debug, "debug", "%d", i);
391 391 ii_get_print(ii_bitmap, "bitmaps", "%d", i);
392 392 mdb_dec_indent(4);
393 393
394 394 return (DCMD_OK);
395 395 }
396 396
397 397
398 398 /*
399 399 * MDB module linkage information:
400 400 */
401 401
402 402 static const mdb_dcmd_t dcmds[] = {
403 403 { "ii", NULL, "display ii module info", ii },
404 404 { "ii_fd", NULL, "display ii_fd structure", ii_fd },
405 405 { "ii_info", NULL, "display ii_info structure", ii_info },
406 406 { "ii_info_all", NULL, "display all ii_info structures", ii_info_all },
407 407 { "ii_info_dev", NULL, "display ii_info_dev structure", ii_info_dev},
408 408 { "ii_overflow", NULL, "display ii_overflow structure", ii_overflow},
409 409 { NULL }
410 410 };
411 411
412 412
413 413 static const mdb_walker_t walkers[] = {
414 414 { NULL }
415 415 };
416 416
417 417
418 418 static const mdb_modinfo_t modinfo = {
419 419 MDB_API_VERSION, dcmds, walkers
420 420 };
421 421
422 422
423 423 const mdb_modinfo_t *
424 424 _mdb_init(void)
425 425 {
426 426 return (&modinfo);
427 427 }
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