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("$FreeBSD$"); 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 <sys/sysctl.h> 45 #include <geom/geom.h> 46 #include <geom/part/g_part.h> 47 48 #include "g_part_if.h" 49 50 FEATURE(geom_part_apm, "GEOM partitioning class for Apple-style partitions"); 51 52 struct g_part_apm_table { 53 struct g_part_table base; 54 struct apm_ddr ddr; 55 struct apm_ent self; 56 int tivo_series1; 57 }; 58 59 struct g_part_apm_entry { 60 struct g_part_entry base; 61 struct apm_ent ent; 62 }; 63 64 static int g_part_apm_add(struct g_part_table *, struct g_part_entry *, 65 struct g_part_parms *); 66 static int g_part_apm_create(struct g_part_table *, struct g_part_parms *); 67 static int g_part_apm_destroy(struct g_part_table *, struct g_part_parms *); 68 static void g_part_apm_dumpconf(struct g_part_table *, struct g_part_entry *, 69 struct sbuf *, const char *); 70 static int g_part_apm_dumpto(struct g_part_table *, struct g_part_entry *); 71 static int g_part_apm_modify(struct g_part_table *, struct g_part_entry *, 72 struct g_part_parms *); 73 static const char *g_part_apm_name(struct g_part_table *, struct g_part_entry *, 74 char *, size_t); 75 static int g_part_apm_probe(struct g_part_table *, struct g_consumer *); 76 static int g_part_apm_read(struct g_part_table *, struct g_consumer *); 77 static const char *g_part_apm_type(struct g_part_table *, struct g_part_entry *, 78 char *, size_t); 79 static int g_part_apm_write(struct g_part_table *, struct g_consumer *); 80 static int g_part_apm_resize(struct g_part_table *, struct g_part_entry *, 81 struct g_part_parms *); 82 83 static kobj_method_t g_part_apm_methods[] = { 84 KOBJMETHOD(g_part_add, g_part_apm_add), 85 KOBJMETHOD(g_part_create, g_part_apm_create), 86 KOBJMETHOD(g_part_destroy, g_part_apm_destroy), 87 KOBJMETHOD(g_part_dumpconf, g_part_apm_dumpconf), 88 KOBJMETHOD(g_part_dumpto, g_part_apm_dumpto), 89 KOBJMETHOD(g_part_modify, g_part_apm_modify), 90 KOBJMETHOD(g_part_resize, g_part_apm_resize), 91 KOBJMETHOD(g_part_name, g_part_apm_name), 92 KOBJMETHOD(g_part_probe, g_part_apm_probe), 93 KOBJMETHOD(g_part_read, g_part_apm_read), 94 KOBJMETHOD(g_part_type, g_part_apm_type), 95 KOBJMETHOD(g_part_write, g_part_apm_write), 96 { 0, 0 } 97 }; 98 99 static struct g_part_scheme g_part_apm_scheme = { 100 "APM", 101 g_part_apm_methods, 102 sizeof(struct g_part_apm_table), 103 .gps_entrysz = sizeof(struct g_part_apm_entry), 104 .gps_minent = 16, 105 .gps_maxent = INT_MAX, 106 }; 107 G_PART_SCHEME_DECLARE(g_part_apm); 108 109 static void 110 swab(char *buf, size_t bufsz) 111 { 112 int i; 113 char ch; 114 115 for (i = 0; i < bufsz; i += 2) { 116 ch = buf[i]; 117 buf[i] = buf[i + 1]; 118 buf[i + 1] = ch; 119 } 120 } 121 122 static int 123 apm_parse_type(const char *type, char *buf, size_t bufsz) 124 { 125 const char *alias; 126 127 if (type[0] == '!') { 128 type++; 129 if (strlen(type) > bufsz) 130 return (EINVAL); 131 if (!strcmp(type, APM_ENT_TYPE_SELF) || 132 !strcmp(type, APM_ENT_TYPE_UNUSED)) 133 return (EINVAL); 134 strncpy(buf, type, bufsz); 135 return (0); 136 } 137 alias = g_part_alias_name(G_PART_ALIAS_APPLE_BOOT); 138 if (!strcasecmp(type, alias)) { 139 strcpy(buf, APM_ENT_TYPE_APPLE_BOOT); 140 return (0); 141 } 142 alias = g_part_alias_name(G_PART_ALIAS_APPLE_HFS); 143 if (!strcasecmp(type, alias)) { 144 strcpy(buf, APM_ENT_TYPE_APPLE_HFS); 145 return (0); 146 } 147 alias = g_part_alias_name(G_PART_ALIAS_APPLE_UFS); 148 if (!strcasecmp(type, alias)) { 149 strcpy(buf, APM_ENT_TYPE_APPLE_UFS); 150 return (0); 151 } 152 alias = g_part_alias_name(G_PART_ALIAS_FREEBSD_BOOT); 153 if (!strcasecmp(type, alias)) { 154 strcpy(buf, APM_ENT_TYPE_APPLE_BOOT); 155 return (0); 156 } 157 alias = g_part_alias_name(G_PART_ALIAS_FREEBSD); 158 if (!strcasecmp(type, alias)) { 159 strcpy(buf, APM_ENT_TYPE_FREEBSD); 160 return (0); 161 } 162 alias = g_part_alias_name(G_PART_ALIAS_FREEBSD_SWAP); 163 if (!strcasecmp(type, alias)) { 164 strcpy(buf, APM_ENT_TYPE_FREEBSD_SWAP); 165 return (0); 166 } 167 alias = g_part_alias_name(G_PART_ALIAS_FREEBSD_UFS); 168 if (!strcasecmp(type, alias)) { 169 strcpy(buf, APM_ENT_TYPE_FREEBSD_UFS); 170 return (0); 171 } 172 alias = g_part_alias_name(G_PART_ALIAS_FREEBSD_VINUM); 173 if (!strcasecmp(type, alias)) { 174 strcpy(buf, APM_ENT_TYPE_FREEBSD_VINUM); 175 return (0); 176 } 177 alias = g_part_alias_name(G_PART_ALIAS_FREEBSD_ZFS); 178 if (!strcasecmp(type, alias)) { 179 strcpy(buf, APM_ENT_TYPE_FREEBSD_ZFS); 180 return (0); 181 } 182 return (EINVAL); 183 } 184 185 static int 186 apm_read_ent(struct g_consumer *cp, uint32_t blk, struct apm_ent *ent, 187 int tivo_series1) 188 { 189 struct g_provider *pp; 190 char *buf; 191 int error; 192 193 pp = cp->provider; 194 buf = g_read_data(cp, pp->sectorsize * blk, pp->sectorsize, &error); 195 if (buf == NULL) 196 return (error); 197 if (tivo_series1) 198 swab(buf, pp->sectorsize); 199 ent->ent_sig = be16dec(buf); 200 ent->ent_pmblkcnt = be32dec(buf + 4); 201 ent->ent_start = be32dec(buf + 8); 202 ent->ent_size = be32dec(buf + 12); 203 bcopy(buf + 16, ent->ent_name, sizeof(ent->ent_name)); 204 bcopy(buf + 48, ent->ent_type, sizeof(ent->ent_type)); 205 g_free(buf); 206 return (0); 207 } 208 209 static int 210 g_part_apm_add(struct g_part_table *basetable, struct g_part_entry *baseentry, 211 struct g_part_parms *gpp) 212 { 213 struct g_part_apm_entry *entry; 214 struct g_part_apm_table *table; 215 int error; 216 217 entry = (struct g_part_apm_entry *)baseentry; 218 table = (struct g_part_apm_table *)basetable; 219 entry->ent.ent_sig = APM_ENT_SIG; 220 entry->ent.ent_pmblkcnt = table->self.ent_pmblkcnt; 221 entry->ent.ent_start = gpp->gpp_start; 222 entry->ent.ent_size = gpp->gpp_size; 223 if (baseentry->gpe_deleted) { 224 bzero(entry->ent.ent_type, sizeof(entry->ent.ent_type)); 225 bzero(entry->ent.ent_name, sizeof(entry->ent.ent_name)); 226 } 227 error = apm_parse_type(gpp->gpp_type, entry->ent.ent_type, 228 sizeof(entry->ent.ent_type)); 229 if (error) 230 return (error); 231 if (gpp->gpp_parms & G_PART_PARM_LABEL) { 232 if (strlen(gpp->gpp_label) > sizeof(entry->ent.ent_name)) 233 return (EINVAL); 234 strncpy(entry->ent.ent_name, gpp->gpp_label, 235 sizeof(entry->ent.ent_name)); 236 } 237 if (baseentry->gpe_index >= table->self.ent_pmblkcnt) 238 table->self.ent_pmblkcnt = baseentry->gpe_index + 1; 239 KASSERT(table->self.ent_size >= table->self.ent_pmblkcnt, 240 ("%s", __func__)); 241 KASSERT(table->self.ent_size > baseentry->gpe_index, 242 ("%s", __func__)); 243 return (0); 244 } 245 246 static int 247 g_part_apm_create(struct g_part_table *basetable, struct g_part_parms *gpp) 248 { 249 struct g_provider *pp; 250 struct g_part_apm_table *table; 251 uint32_t last; 252 253 /* We don't nest, which means that our depth should be 0. */ 254 if (basetable->gpt_depth != 0) 255 return (ENXIO); 256 257 table = (struct g_part_apm_table *)basetable; 258 pp = gpp->gpp_provider; 259 if (pp->sectorsize != 512 || 260 pp->mediasize < (2 + 2 * basetable->gpt_entries) * pp->sectorsize) 261 return (ENOSPC); 262 263 /* APM uses 32-bit LBAs. */ 264 last = MIN(pp->mediasize / pp->sectorsize, UINT32_MAX) - 1; 265 266 basetable->gpt_first = 2 + basetable->gpt_entries; 267 basetable->gpt_last = last; 268 269 table->ddr.ddr_sig = APM_DDR_SIG; 270 table->ddr.ddr_blksize = pp->sectorsize; 271 table->ddr.ddr_blkcount = last + 1; 272 273 table->self.ent_sig = APM_ENT_SIG; 274 table->self.ent_pmblkcnt = basetable->gpt_entries + 1; 275 table->self.ent_start = 1; 276 table->self.ent_size = table->self.ent_pmblkcnt; 277 strcpy(table->self.ent_name, "Apple"); 278 strcpy(table->self.ent_type, APM_ENT_TYPE_SELF); 279 return (0); 280 } 281 282 static int 283 g_part_apm_destroy(struct g_part_table *basetable, struct g_part_parms *gpp) 284 { 285 286 /* Wipe the first 2 sectors to clear the partitioning. */ 287 basetable->gpt_smhead |= 3; 288 return (0); 289 } 290 291 static void 292 g_part_apm_dumpconf(struct g_part_table *table, struct g_part_entry *baseentry, 293 struct sbuf *sb, const char *indent) 294 { 295 union { 296 char name[APM_ENT_NAMELEN + 1]; 297 char type[APM_ENT_TYPELEN + 1]; 298 } u; 299 struct g_part_apm_entry *entry; 300 301 entry = (struct g_part_apm_entry *)baseentry; 302 if (indent == NULL) { 303 /* conftxt: libdisk compatibility */ 304 sbuf_printf(sb, " xs APPLE xt %s", entry->ent.ent_type); 305 } else if (entry != NULL) { 306 /* confxml: partition entry information */ 307 strncpy(u.name, entry->ent.ent_name, APM_ENT_NAMELEN); 308 u.name[APM_ENT_NAMELEN] = '\0'; 309 sbuf_printf(sb, "%s<label>%s</label>\n", indent, u.name); 310 strncpy(u.type, entry->ent.ent_type, APM_ENT_TYPELEN); 311 u.type[APM_ENT_TYPELEN] = '\0'; 312 sbuf_printf(sb, "%s<rawtype>%s</rawtype>\n", indent, u.type); 313 } else { 314 /* confxml: scheme information */ 315 } 316 } 317 318 static int 319 g_part_apm_dumpto(struct g_part_table *table, struct g_part_entry *baseentry) 320 { 321 struct g_part_apm_entry *entry; 322 323 entry = (struct g_part_apm_entry *)baseentry; 324 return ((!strcmp(entry->ent.ent_type, APM_ENT_TYPE_FREEBSD_SWAP)) 325 ? 1 : 0); 326 } 327 328 static int 329 g_part_apm_modify(struct g_part_table *basetable, 330 struct g_part_entry *baseentry, struct g_part_parms *gpp) 331 { 332 struct g_part_apm_entry *entry; 333 int error; 334 335 entry = (struct g_part_apm_entry *)baseentry; 336 if (gpp->gpp_parms & G_PART_PARM_LABEL) { 337 if (strlen(gpp->gpp_label) > sizeof(entry->ent.ent_name)) 338 return (EINVAL); 339 } 340 if (gpp->gpp_parms & G_PART_PARM_TYPE) { 341 error = apm_parse_type(gpp->gpp_type, entry->ent.ent_type, 342 sizeof(entry->ent.ent_type)); 343 if (error) 344 return (error); 345 } 346 if (gpp->gpp_parms & G_PART_PARM_LABEL) { 347 strncpy(entry->ent.ent_name, gpp->gpp_label, 348 sizeof(entry->ent.ent_name)); 349 } 350 return (0); 351 } 352 353 static int 354 g_part_apm_resize(struct g_part_table *basetable, 355 struct g_part_entry *baseentry, struct g_part_parms *gpp) 356 { 357 struct g_part_apm_entry *entry; 358 359 entry = (struct g_part_apm_entry *)baseentry; 360 baseentry->gpe_end = baseentry->gpe_start + gpp->gpp_size - 1; 361 entry->ent.ent_size = gpp->gpp_size; 362 363 return (0); 364 } 365 366 static const char * 367 g_part_apm_name(struct g_part_table *table, struct g_part_entry *baseentry, 368 char *buf, size_t bufsz) 369 { 370 371 snprintf(buf, bufsz, "s%d", baseentry->gpe_index + 1); 372 return (buf); 373 } 374 375 static int 376 g_part_apm_probe(struct g_part_table *basetable, struct g_consumer *cp) 377 { 378 struct g_provider *pp; 379 struct g_part_apm_table *table; 380 char *buf; 381 int error; 382 383 /* We don't nest, which means that our depth should be 0. */ 384 if (basetable->gpt_depth != 0) 385 return (ENXIO); 386 387 table = (struct g_part_apm_table *)basetable; 388 table->tivo_series1 = 0; 389 pp = cp->provider; 390 391 /* Sanity-check the provider. */ 392 if (pp->mediasize < 4 * pp->sectorsize) 393 return (ENOSPC); 394 395 /* Check that there's a Driver Descriptor Record (DDR). */ 396 buf = g_read_data(cp, 0L, pp->sectorsize, &error); 397 if (buf == NULL) 398 return (error); 399 if (be16dec(buf) == APM_DDR_SIG) { 400 /* Normal Apple DDR */ 401 table->ddr.ddr_sig = be16dec(buf); 402 table->ddr.ddr_blksize = be16dec(buf + 2); 403 table->ddr.ddr_blkcount = be32dec(buf + 4); 404 g_free(buf); 405 if (table->ddr.ddr_blksize != pp->sectorsize) 406 return (ENXIO); 407 if (table->ddr.ddr_blkcount > pp->mediasize / pp->sectorsize) 408 return (ENXIO); 409 } else { 410 /* 411 * Check for Tivo drives, which have no DDR and a different 412 * signature. Those whose first two bytes are 14 92 are 413 * Series 2 drives, and aren't supported. Those that start 414 * with 92 14 are series 1 drives and are supported. 415 */ 416 if (be16dec(buf) != 0x9214) { 417 /* If this is 0x1492 it could be a series 2 drive */ 418 g_free(buf); 419 return (ENXIO); 420 } 421 table->ddr.ddr_sig = APM_DDR_SIG; /* XXX */ 422 table->ddr.ddr_blksize = pp->sectorsize; /* XXX */ 423 table->ddr.ddr_blkcount = 424 MIN(pp->mediasize / pp->sectorsize, UINT32_MAX); 425 table->tivo_series1 = 1; 426 g_free(buf); 427 } 428 429 /* Check that there's a Partition Map. */ 430 error = apm_read_ent(cp, 1, &table->self, table->tivo_series1); 431 if (error) 432 return (error); 433 if (table->self.ent_sig != APM_ENT_SIG) 434 return (ENXIO); 435 if (strcmp(table->self.ent_type, APM_ENT_TYPE_SELF)) 436 return (ENXIO); 437 if (table->self.ent_pmblkcnt >= table->ddr.ddr_blkcount) 438 return (ENXIO); 439 return (G_PART_PROBE_PRI_NORM); 440 } 441 442 static int 443 g_part_apm_read(struct g_part_table *basetable, struct g_consumer *cp) 444 { 445 struct apm_ent ent; 446 struct g_part_apm_entry *entry; 447 struct g_part_apm_table *table; 448 int error, index; 449 450 table = (struct g_part_apm_table *)basetable; 451 452 basetable->gpt_first = table->self.ent_size + 1; 453 basetable->gpt_last = table->ddr.ddr_blkcount - 1; 454 basetable->gpt_entries = table->self.ent_size - 1; 455 456 for (index = table->self.ent_pmblkcnt - 1; index > 0; index--) { 457 error = apm_read_ent(cp, index + 1, &ent, table->tivo_series1); 458 if (error) 459 continue; 460 if (!strcmp(ent.ent_type, APM_ENT_TYPE_UNUSED)) 461 continue; 462 entry = (struct g_part_apm_entry *)g_part_new_entry(basetable, 463 index, ent.ent_start, ent.ent_start + ent.ent_size - 1); 464 entry->ent = ent; 465 } 466 467 return (0); 468 } 469 470 static const char * 471 g_part_apm_type(struct g_part_table *basetable, struct g_part_entry *baseentry, 472 char *buf, size_t bufsz) 473 { 474 struct g_part_apm_entry *entry; 475 const char *type; 476 size_t len; 477 478 entry = (struct g_part_apm_entry *)baseentry; 479 type = entry->ent.ent_type; 480 if (!strcmp(type, APM_ENT_TYPE_APPLE_BOOT)) 481 return (g_part_alias_name(G_PART_ALIAS_APPLE_BOOT)); 482 if (!strcmp(type, APM_ENT_TYPE_APPLE_HFS)) 483 return (g_part_alias_name(G_PART_ALIAS_APPLE_HFS)); 484 if (!strcmp(type, APM_ENT_TYPE_APPLE_UFS)) 485 return (g_part_alias_name(G_PART_ALIAS_APPLE_UFS)); 486 if (!strcmp(type, APM_ENT_TYPE_FREEBSD)) 487 return (g_part_alias_name(G_PART_ALIAS_FREEBSD)); 488 if (!strcmp(type, APM_ENT_TYPE_FREEBSD_SWAP)) 489 return (g_part_alias_name(G_PART_ALIAS_FREEBSD_SWAP)); 490 if (!strcmp(type, APM_ENT_TYPE_FREEBSD_UFS)) 491 return (g_part_alias_name(G_PART_ALIAS_FREEBSD_UFS)); 492 if (!strcmp(type, APM_ENT_TYPE_FREEBSD_VINUM)) 493 return (g_part_alias_name(G_PART_ALIAS_FREEBSD_VINUM)); 494 if (!strcmp(type, APM_ENT_TYPE_FREEBSD_ZFS)) 495 return (g_part_alias_name(G_PART_ALIAS_FREEBSD_ZFS)); 496 buf[0] = '!'; 497 len = MIN(sizeof(entry->ent.ent_type), bufsz - 2); 498 bcopy(type, buf + 1, len); 499 buf[len + 1] = '\0'; 500 return (buf); 501 } 502 503 static int 504 g_part_apm_write(struct g_part_table *basetable, struct g_consumer *cp) 505 { 506 struct g_provider *pp; 507 struct g_part_entry *baseentry; 508 struct g_part_apm_entry *entry; 509 struct g_part_apm_table *table; 510 char *buf, *ptr; 511 uint32_t index; 512 int error; 513 size_t tblsz; 514 515 pp = cp->provider; 516 table = (struct g_part_apm_table *)basetable; 517 /* 518 * Tivo Series 1 disk partitions are currently read-only. 519 */ 520 if (table->tivo_series1) 521 return (EOPNOTSUPP); 522 523 /* Write the DDR only when we're newly created. */ 524 if (basetable->gpt_created) { 525 buf = g_malloc(pp->sectorsize, M_WAITOK | M_ZERO); 526 be16enc(buf, table->ddr.ddr_sig); 527 be16enc(buf + 2, table->ddr.ddr_blksize); 528 be32enc(buf + 4, table->ddr.ddr_blkcount); 529 error = g_write_data(cp, 0, buf, pp->sectorsize); 530 g_free(buf); 531 if (error) 532 return (error); 533 } 534 535 /* Allocate the buffer for all entries */ 536 tblsz = table->self.ent_pmblkcnt; 537 buf = g_malloc(tblsz * pp->sectorsize, M_WAITOK | M_ZERO); 538 539 /* Fill the self entry */ 540 be16enc(buf, APM_ENT_SIG); 541 be32enc(buf + 4, table->self.ent_pmblkcnt); 542 be32enc(buf + 8, table->self.ent_start); 543 be32enc(buf + 12, table->self.ent_size); 544 bcopy(table->self.ent_name, buf + 16, sizeof(table->self.ent_name)); 545 bcopy(table->self.ent_type, buf + 48, sizeof(table->self.ent_type)); 546 547 baseentry = LIST_FIRST(&basetable->gpt_entry); 548 for (index = 1; index < tblsz; index++) { 549 entry = (baseentry != NULL && index == baseentry->gpe_index) 550 ? (struct g_part_apm_entry *)baseentry : NULL; 551 ptr = buf + index * pp->sectorsize; 552 be16enc(ptr, APM_ENT_SIG); 553 be32enc(ptr + 4, table->self.ent_pmblkcnt); 554 if (entry != NULL && !baseentry->gpe_deleted) { 555 be32enc(ptr + 8, entry->ent.ent_start); 556 be32enc(ptr + 12, entry->ent.ent_size); 557 bcopy(entry->ent.ent_name, ptr + 16, 558 sizeof(entry->ent.ent_name)); 559 bcopy(entry->ent.ent_type, ptr + 48, 560 sizeof(entry->ent.ent_type)); 561 } else { 562 strcpy(ptr + 48, APM_ENT_TYPE_UNUSED); 563 } 564 if (entry != NULL) 565 baseentry = LIST_NEXT(baseentry, gpe_entry); 566 } 567 568 for (index = 0; index < tblsz; index += MAXPHYS / pp->sectorsize) { 569 error = g_write_data(cp, (1 + index) * pp->sectorsize, 570 buf + index * pp->sectorsize, 571 (tblsz - index > MAXPHYS / pp->sectorsize) ? MAXPHYS: 572 (tblsz - index) * pp->sectorsize); 573 if (error) { 574 g_free(buf); 575 return (error); 576 } 577 } 578 g_free(buf); 579 return (0); 580 } 581