Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
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sys/geom/part/g_part_apm.c
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1 /*- 2 * Copyright (c) 2006-2008 Marcel Moolenaar 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 */ 26 27 #include <sys/cdefs.h> 28 __FBSDID("$FreeBSD: releng/8.3/sys/geom/part/g_part_apm.c 231641 2012-02-14 07:13:09Z ae $"); 29 30 #include <sys/param.h> 31 #include <sys/apm.h> 32 #include <sys/bio.h> 33 #include <sys/diskmbr.h> 34 #include <sys/endian.h> 35 #include <sys/kernel.h> 36 #include <sys/kobj.h> 37 #include <sys/limits.h> 38 #include <sys/lock.h> 39 #include <sys/malloc.h> 40 #include <sys/mutex.h> 41 #include <sys/queue.h> 42 #include <sys/sbuf.h> 43 #include <sys/systm.h> 44 #include <geom/geom.h> 45 #include <geom/part/g_part.h> 46 47 #include "g_part_if.h" 48 49 struct g_part_apm_table { 50 struct g_part_table base; 51 struct apm_ddr ddr; 52 struct apm_ent self; 53 int tivo_series1; 54 }; 55 56 struct g_part_apm_entry { 57 struct g_part_entry base; 58 struct apm_ent ent; 59 }; 60 61 static int g_part_apm_add(struct g_part_table *, struct g_part_entry *, 62 struct g_part_parms *); 63 static int g_part_apm_create(struct g_part_table *, struct g_part_parms *); 64 static int g_part_apm_destroy(struct g_part_table *, struct g_part_parms *); 65 static void g_part_apm_dumpconf(struct g_part_table *, struct g_part_entry *, 66 struct sbuf *, const char *); 67 static int g_part_apm_dumpto(struct g_part_table *, struct g_part_entry *); 68 static int g_part_apm_modify(struct g_part_table *, struct g_part_entry *, 69 struct g_part_parms *); 70 static const char *g_part_apm_name(struct g_part_table *, struct g_part_entry *, 71 char *, size_t); 72 static int g_part_apm_probe(struct g_part_table *, struct g_consumer *); 73 static int g_part_apm_read(struct g_part_table *, struct g_consumer *); 74 static const char *g_part_apm_type(struct g_part_table *, struct g_part_entry *, 75 char *, size_t); 76 static int g_part_apm_write(struct g_part_table *, struct g_consumer *); 77 static int g_part_apm_resize(struct g_part_table *, struct g_part_entry *, 78 struct g_part_parms *); 79 80 static kobj_method_t g_part_apm_methods[] = { 81 KOBJMETHOD(g_part_add, g_part_apm_add), 82 KOBJMETHOD(g_part_create, g_part_apm_create), 83 KOBJMETHOD(g_part_destroy, g_part_apm_destroy), 84 KOBJMETHOD(g_part_dumpconf, g_part_apm_dumpconf), 85 KOBJMETHOD(g_part_dumpto, g_part_apm_dumpto), 86 KOBJMETHOD(g_part_modify, g_part_apm_modify), 87 KOBJMETHOD(g_part_resize, g_part_apm_resize), 88 KOBJMETHOD(g_part_name, g_part_apm_name), 89 KOBJMETHOD(g_part_probe, g_part_apm_probe), 90 KOBJMETHOD(g_part_read, g_part_apm_read), 91 KOBJMETHOD(g_part_type, g_part_apm_type), 92 KOBJMETHOD(g_part_write, g_part_apm_write), 93 { 0, 0 } 94 }; 95 96 static struct g_part_scheme g_part_apm_scheme = { 97 "APM", 98 g_part_apm_methods, 99 sizeof(struct g_part_apm_table), 100 .gps_entrysz = sizeof(struct g_part_apm_entry), 101 .gps_minent = 16, 102 .gps_maxent = 4096, 103 }; 104 G_PART_SCHEME_DECLARE(g_part_apm); 105 106 static void 107 swab(char *buf, size_t bufsz) 108 { 109 int i; 110 char ch; 111 112 for (i = 0; i < bufsz; i += 2) { 113 ch = buf[i]; 114 buf[i] = buf[i + 1]; 115 buf[i + 1] = ch; 116 } 117 } 118 119 static int 120 apm_parse_type(const char *type, char *buf, size_t bufsz) 121 { 122 const char *alias; 123 124 if (type[0] == '!') { 125 type++; 126 if (strlen(type) > bufsz) 127 return (EINVAL); 128 if (!strcmp(type, APM_ENT_TYPE_SELF) || 129 !strcmp(type, APM_ENT_TYPE_UNUSED)) 130 return (EINVAL); 131 strncpy(buf, type, bufsz); 132 return (0); 133 } 134 alias = g_part_alias_name(G_PART_ALIAS_APPLE_BOOT); 135 if (!strcasecmp(type, alias)) { 136 strcpy(buf, APM_ENT_TYPE_APPLE_BOOT); 137 return (0); 138 } 139 alias = g_part_alias_name(G_PART_ALIAS_APPLE_HFS); 140 if (!strcasecmp(type, alias)) { 141 strcpy(buf, APM_ENT_TYPE_APPLE_HFS); 142 return (0); 143 } 144 alias = g_part_alias_name(G_PART_ALIAS_APPLE_UFS); 145 if (!strcasecmp(type, alias)) { 146 strcpy(buf, APM_ENT_TYPE_APPLE_UFS); 147 return (0); 148 } 149 alias = g_part_alias_name(G_PART_ALIAS_FREEBSD_BOOT); 150 if (!strcasecmp(type, alias)) { 151 strcpy(buf, APM_ENT_TYPE_APPLE_BOOT); 152 return (0); 153 } 154 alias = g_part_alias_name(G_PART_ALIAS_FREEBSD); 155 if (!strcasecmp(type, alias)) { 156 strcpy(buf, APM_ENT_TYPE_FREEBSD); 157 return (0); 158 } 159 alias = g_part_alias_name(G_PART_ALIAS_FREEBSD_SWAP); 160 if (!strcasecmp(type, alias)) { 161 strcpy(buf, APM_ENT_TYPE_FREEBSD_SWAP); 162 return (0); 163 } 164 alias = g_part_alias_name(G_PART_ALIAS_FREEBSD_UFS); 165 if (!strcasecmp(type, alias)) { 166 strcpy(buf, APM_ENT_TYPE_FREEBSD_UFS); 167 return (0); 168 } 169 alias = g_part_alias_name(G_PART_ALIAS_FREEBSD_VINUM); 170 if (!strcasecmp(type, alias)) { 171 strcpy(buf, APM_ENT_TYPE_FREEBSD_VINUM); 172 return (0); 173 } 174 alias = g_part_alias_name(G_PART_ALIAS_FREEBSD_ZFS); 175 if (!strcasecmp(type, alias)) { 176 strcpy(buf, APM_ENT_TYPE_FREEBSD_ZFS); 177 return (0); 178 } 179 return (EINVAL); 180 } 181 182 static int 183 apm_read_ent(struct g_consumer *cp, uint32_t blk, struct apm_ent *ent, 184 int tivo_series1) 185 { 186 struct g_provider *pp; 187 char *buf; 188 int error; 189 190 pp = cp->provider; 191 buf = g_read_data(cp, pp->sectorsize * blk, pp->sectorsize, &error); 192 if (buf == NULL) 193 return (error); 194 if (tivo_series1) 195 swab(buf, pp->sectorsize); 196 ent->ent_sig = be16dec(buf); 197 ent->ent_pmblkcnt = be32dec(buf + 4); 198 ent->ent_start = be32dec(buf + 8); 199 ent->ent_size = be32dec(buf + 12); 200 bcopy(buf + 16, ent->ent_name, sizeof(ent->ent_name)); 201 bcopy(buf + 48, ent->ent_type, sizeof(ent->ent_type)); 202 g_free(buf); 203 return (0); 204 } 205 206 static int 207 g_part_apm_add(struct g_part_table *basetable, struct g_part_entry *baseentry, 208 struct g_part_parms *gpp) 209 { 210 struct g_part_apm_entry *entry; 211 struct g_part_apm_table *table; 212 int error; 213 214 entry = (struct g_part_apm_entry *)baseentry; 215 table = (struct g_part_apm_table *)basetable; 216 entry->ent.ent_sig = APM_ENT_SIG; 217 entry->ent.ent_pmblkcnt = table->self.ent_pmblkcnt; 218 entry->ent.ent_start = gpp->gpp_start; 219 entry->ent.ent_size = gpp->gpp_size; 220 if (baseentry->gpe_deleted) { 221 bzero(entry->ent.ent_type, sizeof(entry->ent.ent_type)); 222 bzero(entry->ent.ent_name, sizeof(entry->ent.ent_name)); 223 } 224 error = apm_parse_type(gpp->gpp_type, entry->ent.ent_type, 225 sizeof(entry->ent.ent_type)); 226 if (error) 227 return (error); 228 if (gpp->gpp_parms & G_PART_PARM_LABEL) { 229 if (strlen(gpp->gpp_label) > sizeof(entry->ent.ent_name)) 230 return (EINVAL); 231 strncpy(entry->ent.ent_name, gpp->gpp_label, 232 sizeof(entry->ent.ent_name)); 233 } 234 if (baseentry->gpe_index >= table->self.ent_pmblkcnt) 235 table->self.ent_pmblkcnt = baseentry->gpe_index + 1; 236 KASSERT(table->self.ent_size >= table->self.ent_pmblkcnt, 237 ("%s", __func__)); 238 KASSERT(table->self.ent_size > baseentry->gpe_index, 239 ("%s", __func__)); 240 return (0); 241 } 242 243 static int 244 g_part_apm_create(struct g_part_table *basetable, struct g_part_parms *gpp) 245 { 246 struct g_provider *pp; 247 struct g_part_apm_table *table; 248 uint32_t last; 249 250 /* We don't nest, which means that our depth should be 0. */ 251 if (basetable->gpt_depth != 0) 252 return (ENXIO); 253 254 table = (struct g_part_apm_table *)basetable; 255 pp = gpp->gpp_provider; 256 if (pp->sectorsize != 512 || 257 pp->mediasize < (2 + 2 * basetable->gpt_entries) * pp->sectorsize) 258 return (ENOSPC); 259 260 /* APM uses 32-bit LBAs. */ 261 last = MIN(pp->mediasize / pp->sectorsize, 0xffffffff) - 1; 262 263 basetable->gpt_first = 2 + basetable->gpt_entries; 264 basetable->gpt_last = last; 265 266 table->ddr.ddr_sig = APM_DDR_SIG; 267 table->ddr.ddr_blksize = pp->sectorsize; 268 table->ddr.ddr_blkcount = last + 1; 269 270 table->self.ent_sig = APM_ENT_SIG; 271 table->self.ent_pmblkcnt = basetable->gpt_entries + 1; 272 table->self.ent_start = 1; 273 table->self.ent_size = table->self.ent_pmblkcnt; 274 strcpy(table->self.ent_name, "Apple"); 275 strcpy(table->self.ent_type, APM_ENT_TYPE_SELF); 276 return (0); 277 } 278 279 static int 280 g_part_apm_destroy(struct g_part_table *basetable, struct g_part_parms *gpp) 281 { 282 283 /* Wipe the first 2 sectors to clear the partitioning. */ 284 basetable->gpt_smhead |= 3; 285 return (0); 286 } 287 288 static void 289 g_part_apm_dumpconf(struct g_part_table *table, struct g_part_entry *baseentry, 290 struct sbuf *sb, const char *indent) 291 { 292 union { 293 char name[APM_ENT_NAMELEN + 1]; 294 char type[APM_ENT_TYPELEN + 1]; 295 } u; 296 struct g_part_apm_entry *entry; 297 298 entry = (struct g_part_apm_entry *)baseentry; 299 if (indent == NULL) { 300 /* conftxt: libdisk compatibility */ 301 sbuf_printf(sb, " xs APPLE xt %s", entry->ent.ent_type); 302 } else if (entry != NULL) { 303 /* confxml: partition entry information */ 304 strncpy(u.name, entry->ent.ent_name, APM_ENT_NAMELEN); 305 u.name[APM_ENT_NAMELEN] = '\0'; 306 sbuf_printf(sb, "%s<label>%s</label>\n", indent, u.name); 307 strncpy(u.type, entry->ent.ent_type, APM_ENT_TYPELEN); 308 u.type[APM_ENT_TYPELEN] = '\0'; 309 sbuf_printf(sb, "%s<rawtype>%s</rawtype>\n", indent, u.type); 310 } else { 311 /* confxml: scheme information */ 312 } 313 } 314 315 static int 316 g_part_apm_dumpto(struct g_part_table *table, struct g_part_entry *baseentry) 317 { 318 struct g_part_apm_entry *entry; 319 320 entry = (struct g_part_apm_entry *)baseentry; 321 return ((!strcmp(entry->ent.ent_type, APM_ENT_TYPE_FREEBSD_SWAP)) 322 ? 1 : 0); 323 } 324 325 static int 326 g_part_apm_modify(struct g_part_table *basetable, 327 struct g_part_entry *baseentry, struct g_part_parms *gpp) 328 { 329 struct g_part_apm_entry *entry; 330 int error; 331 332 entry = (struct g_part_apm_entry *)baseentry; 333 if (gpp->gpp_parms & G_PART_PARM_LABEL) { 334 if (strlen(gpp->gpp_label) > sizeof(entry->ent.ent_name)) 335 return (EINVAL); 336 } 337 if (gpp->gpp_parms & G_PART_PARM_TYPE) { 338 error = apm_parse_type(gpp->gpp_type, entry->ent.ent_type, 339 sizeof(entry->ent.ent_type)); 340 if (error) 341 return (error); 342 } 343 if (gpp->gpp_parms & G_PART_PARM_LABEL) { 344 strncpy(entry->ent.ent_name, gpp->gpp_label, 345 sizeof(entry->ent.ent_name)); 346 } 347 return (0); 348 } 349 350 static int 351 g_part_apm_resize(struct g_part_table *basetable, 352 struct g_part_entry *baseentry, struct g_part_parms *gpp) 353 { 354 struct g_part_apm_entry *entry; 355 356 entry = (struct g_part_apm_entry *)baseentry; 357 baseentry->gpe_end = baseentry->gpe_start + gpp->gpp_size - 1; 358 entry->ent.ent_size = gpp->gpp_size; 359 360 return (0); 361 } 362 363 static const char * 364 g_part_apm_name(struct g_part_table *table, struct g_part_entry *baseentry, 365 char *buf, size_t bufsz) 366 { 367 368 snprintf(buf, bufsz, "s%d", baseentry->gpe_index + 1); 369 return (buf); 370 } 371 372 static int 373 g_part_apm_probe(struct g_part_table *basetable, struct g_consumer *cp) 374 { 375 struct g_provider *pp; 376 struct g_part_apm_table *table; 377 char *buf; 378 int error; 379 380 /* We don't nest, which means that our depth should be 0. */ 381 if (basetable->gpt_depth != 0) 382 return (ENXIO); 383 384 table = (struct g_part_apm_table *)basetable; 385 table->tivo_series1 = 0; 386 pp = cp->provider; 387 388 /* Sanity-check the provider. */ 389 if (pp->mediasize < 4 * pp->sectorsize) 390 return (ENOSPC); 391 392 /* Check that there's a Driver Descriptor Record (DDR). */ 393 buf = g_read_data(cp, 0L, pp->sectorsize, &error); 394 if (buf == NULL) 395 return (error); 396 if (be16dec(buf) == APM_DDR_SIG) { 397 /* Normal Apple DDR */ 398 table->ddr.ddr_sig = be16dec(buf); 399 table->ddr.ddr_blksize = be16dec(buf + 2); 400 table->ddr.ddr_blkcount = be32dec(buf + 4); 401 g_free(buf); 402 if (table->ddr.ddr_blksize != pp->sectorsize) 403 return (ENXIO); 404 } else { 405 /* 406 * Check for Tivo drives, which have no DDR and a different 407 * signature. Those whose first two bytes are 14 92 are 408 * Series 2 drives, and aren't supported. Those that start 409 * with 92 14 are series 1 drives and are supported. 410 */ 411 if (be16dec(buf) != 0x9214) { 412 /* If this is 0x1492 it could be a series 2 drive */ 413 g_free(buf); 414 return (ENXIO); 415 } 416 table->ddr.ddr_sig = APM_DDR_SIG; /* XXX */ 417 table->ddr.ddr_blksize = pp->sectorsize; /* XXX */ 418 table->ddr.ddr_blkcount = pp->mediasize / pp->sectorsize;/* XXX */ 419 table->tivo_series1 = 1; 420 g_free(buf); 421 } 422 423 /* Check that there's a Partition Map. */ 424 error = apm_read_ent(cp, 1, &table->self, table->tivo_series1); 425 if (error) 426 return (error); 427 if (table->self.ent_sig != APM_ENT_SIG) 428 return (ENXIO); 429 if (strcmp(table->self.ent_type, APM_ENT_TYPE_SELF)) 430 return (ENXIO); 431 if (table->self.ent_pmblkcnt >= table->ddr.ddr_blkcount) 432 return (ENXIO); 433 return (G_PART_PROBE_PRI_NORM); 434 } 435 436 static int 437 g_part_apm_read(struct g_part_table *basetable, struct g_consumer *cp) 438 { 439 struct apm_ent ent; 440 struct g_part_apm_entry *entry; 441 struct g_part_apm_table *table; 442 int error, index; 443 444 table = (struct g_part_apm_table *)basetable; 445 446 basetable->gpt_first = table->self.ent_size + 1; 447 basetable->gpt_last = table->ddr.ddr_blkcount - 1; 448 basetable->gpt_entries = table->self.ent_size - 1; 449 450 for (index = table->self.ent_pmblkcnt - 1; index > 0; index--) { 451 error = apm_read_ent(cp, index + 1, &ent, table->tivo_series1); 452 if (error) 453 continue; 454 if (!strcmp(ent.ent_type, APM_ENT_TYPE_UNUSED)) 455 continue; 456 entry = (struct g_part_apm_entry *)g_part_new_entry(basetable, 457 index, ent.ent_start, ent.ent_start + ent.ent_size - 1); 458 entry->ent = ent; 459 } 460 461 return (0); 462 } 463 464 static const char * 465 g_part_apm_type(struct g_part_table *basetable, struct g_part_entry *baseentry, 466 char *buf, size_t bufsz) 467 { 468 struct g_part_apm_entry *entry; 469 const char *type; 470 size_t len; 471 472 entry = (struct g_part_apm_entry *)baseentry; 473 type = entry->ent.ent_type; 474 if (!strcmp(type, APM_ENT_TYPE_APPLE_BOOT)) 475 return (g_part_alias_name(G_PART_ALIAS_APPLE_BOOT)); 476 if (!strcmp(type, APM_ENT_TYPE_APPLE_HFS)) 477 return (g_part_alias_name(G_PART_ALIAS_APPLE_HFS)); 478 if (!strcmp(type, APM_ENT_TYPE_APPLE_UFS)) 479 return (g_part_alias_name(G_PART_ALIAS_APPLE_UFS)); 480 if (!strcmp(type, APM_ENT_TYPE_FREEBSD)) 481 return (g_part_alias_name(G_PART_ALIAS_FREEBSD)); 482 if (!strcmp(type, APM_ENT_TYPE_FREEBSD_SWAP)) 483 return (g_part_alias_name(G_PART_ALIAS_FREEBSD_SWAP)); 484 if (!strcmp(type, APM_ENT_TYPE_FREEBSD_UFS)) 485 return (g_part_alias_name(G_PART_ALIAS_FREEBSD_UFS)); 486 if (!strcmp(type, APM_ENT_TYPE_FREEBSD_VINUM)) 487 return (g_part_alias_name(G_PART_ALIAS_FREEBSD_VINUM)); 488 if (!strcmp(type, APM_ENT_TYPE_FREEBSD_ZFS)) 489 return (g_part_alias_name(G_PART_ALIAS_FREEBSD_ZFS)); 490 buf[0] = '!'; 491 len = MIN(sizeof(entry->ent.ent_type), bufsz - 2); 492 bcopy(type, buf + 1, len); 493 buf[len + 1] = '\0'; 494 return (buf); 495 } 496 497 static int 498 g_part_apm_write(struct g_part_table *basetable, struct g_consumer *cp) 499 { 500 struct g_provider *pp; 501 struct g_part_entry *baseentry; 502 struct g_part_apm_entry *entry; 503 struct g_part_apm_table *table; 504 char *buf, *ptr; 505 uint32_t index; 506 int error; 507 size_t tblsz; 508 509 pp = cp->provider; 510 table = (struct g_part_apm_table *)basetable; 511 /* 512 * Tivo Series 1 disk partitions are currently read-only. 513 */ 514 if (table->tivo_series1) 515 return (EOPNOTSUPP); 516 517 /* Write the DDR only when we're newly created. */ 518 if (basetable->gpt_created) { 519 buf = g_malloc(pp->sectorsize, M_WAITOK | M_ZERO); 520 be16enc(buf, table->ddr.ddr_sig); 521 be16enc(buf + 2, table->ddr.ddr_blksize); 522 be32enc(buf + 4, table->ddr.ddr_blkcount); 523 error = g_write_data(cp, 0, buf, pp->sectorsize); 524 g_free(buf); 525 if (error) 526 return (error); 527 } 528 529 /* Allocate the buffer for all entries */ 530 tblsz = table->self.ent_pmblkcnt; 531 buf = g_malloc(tblsz * pp->sectorsize, M_WAITOK | M_ZERO); 532 533 /* Fill the self entry */ 534 be16enc(buf, APM_ENT_SIG); 535 be32enc(buf + 4, table->self.ent_pmblkcnt); 536 be32enc(buf + 8, table->self.ent_start); 537 be32enc(buf + 12, table->self.ent_size); 538 bcopy(table->self.ent_name, buf + 16, sizeof(table->self.ent_name)); 539 bcopy(table->self.ent_type, buf + 48, sizeof(table->self.ent_type)); 540 541 baseentry = LIST_FIRST(&basetable->gpt_entry); 542 for (index = 1; index < tblsz; index++) { 543 entry = (baseentry != NULL && index == baseentry->gpe_index) 544 ? (struct g_part_apm_entry *)baseentry : NULL; 545 ptr = buf + index * pp->sectorsize; 546 be16enc(ptr, APM_ENT_SIG); 547 be32enc(ptr + 4, table->self.ent_pmblkcnt); 548 if (entry != NULL && !baseentry->gpe_deleted) { 549 be32enc(ptr + 8, entry->ent.ent_start); 550 be32enc(ptr + 12, entry->ent.ent_size); 551 bcopy(entry->ent.ent_name, ptr + 16, 552 sizeof(entry->ent.ent_name)); 553 bcopy(entry->ent.ent_type, ptr + 48, 554 sizeof(entry->ent.ent_type)); 555 } else { 556 strcpy(ptr + 48, APM_ENT_TYPE_UNUSED); 557 } 558 if (entry != NULL) 559 baseentry = LIST_NEXT(baseentry, gpe_entry); 560 } 561 562 for (index = 0; index < tblsz; index += MAXPHYS / pp->sectorsize) { 563 error = g_write_data(cp, (1 + index) * pp->sectorsize, 564 buf + index * pp->sectorsize, 565 (tblsz - index > MAXPHYS / pp->sectorsize) ? MAXPHYS: 566 (tblsz - index) * pp->sectorsize); 567 if (error) { 568 g_free(buf); 569 return (error); 570 } 571 } 572 g_free(buf); 573 return (0); 574 }
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