2 * Copyright (c) 2014 Andrey V. Elsukov <ae@FreeBSD.org>
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
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.
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.
27 #include <sys/cdefs.h>
28 __FBSDID("$FreeBSD$");
30 #include <sys/param.h>
32 #include <sys/gsb_crc32.h>
33 #include <sys/disklabel.h>
34 #include <sys/endian.h>
36 #include <sys/kernel.h>
38 #include <sys/limits.h>
40 #include <sys/malloc.h>
41 #include <sys/mutex.h>
42 #include <sys/queue.h>
44 #include <sys/systm.h>
45 #include <sys/sysctl.h>
46 #include <geom/geom.h>
47 #include <geom/geom_int.h>
48 #include <geom/part/g_part.h>
50 #include "g_part_if.h"
52 FEATURE(geom_part_bsd64, "GEOM partitioning class for 64-bit BSD disklabels");
54 /* XXX: move this to sys/disklabel64.h */
55 #define DISKMAGIC64 ((uint32_t)0xc4464c59)
56 #define MAXPARTITIONS64 16
57 #define RESPARTITIONS64 32
60 char d_reserved0[512]; /* reserved or unused */
61 uint32_t d_magic; /* the magic number */
62 uint32_t d_crc; /* crc32() d_magic through last part */
63 uint32_t d_align; /* partition alignment requirement */
64 uint32_t d_npartitions; /* number of partitions */
65 struct uuid d_stor_uuid; /* unique uuid for label */
67 uint64_t d_total_size; /* total size incl everything (bytes) */
68 uint64_t d_bbase; /* boot area base offset (bytes) */
69 /* boot area is pbase - bbase */
70 uint64_t d_pbase; /* first allocatable offset (bytes) */
71 uint64_t d_pstop; /* last allocatable offset+1 (bytes) */
72 uint64_t d_abase; /* location of backup copy if not 0 */
74 u_char d_packname[64];
75 u_char d_reserved[64];
78 * Note: offsets are relative to the base of the slice, NOT to
79 * d_pbase. Unlike 32 bit disklabels the on-disk format for
80 * a 64 bit disklabel remains slice-relative.
82 * An uninitialized partition has a p_boffset and p_bsize of 0.
84 * If p_fstype is not supported for a live partition it is set
85 * to FS_OTHER. This is typically the case when the filesystem
86 * is identified by its uuid.
88 struct partition64 { /* the partition table */
89 uint64_t p_boffset; /* slice relative offset, in bytes */
90 uint64_t p_bsize; /* size of partition, in bytes */
92 uint8_t p_unused01; /* reserved, must be 0 */
93 uint8_t p_unused02; /* reserved, must be 0 */
94 uint8_t p_unused03; /* reserved, must be 0 */
95 uint32_t p_unused04; /* reserved, must be 0 */
96 uint32_t p_unused05; /* reserved, must be 0 */
97 uint32_t p_unused06; /* reserved, must be 0 */
98 struct uuid p_type_uuid;/* mount type as UUID */
99 struct uuid p_stor_uuid;/* unique uuid for storage */
100 } d_partitions[MAXPARTITIONS64];/* actually may be more */
103 struct g_part_bsd64_table {
104 struct g_part_table base;
109 struct uuid d_stor_uuid;
110 char d_reserved0[512];
111 u_char d_packname[64];
112 u_char d_reserved[64];
115 struct g_part_bsd64_entry {
116 struct g_part_entry base;
119 struct uuid type_uuid;
120 struct uuid stor_uuid;
123 static int g_part_bsd64_add(struct g_part_table *, struct g_part_entry *,
124 struct g_part_parms *);
125 static int g_part_bsd64_bootcode(struct g_part_table *, struct g_part_parms *);
126 static int g_part_bsd64_create(struct g_part_table *, struct g_part_parms *);
127 static int g_part_bsd64_destroy(struct g_part_table *, struct g_part_parms *);
128 static void g_part_bsd64_dumpconf(struct g_part_table *, struct g_part_entry *,
129 struct sbuf *, const char *);
130 static int g_part_bsd64_dumpto(struct g_part_table *, struct g_part_entry *);
131 static int g_part_bsd64_modify(struct g_part_table *, struct g_part_entry *,
132 struct g_part_parms *);
133 static const char *g_part_bsd64_name(struct g_part_table *, struct g_part_entry *,
135 static int g_part_bsd64_probe(struct g_part_table *, struct g_consumer *);
136 static int g_part_bsd64_read(struct g_part_table *, struct g_consumer *);
137 static const char *g_part_bsd64_type(struct g_part_table *, struct g_part_entry *,
139 static int g_part_bsd64_write(struct g_part_table *, struct g_consumer *);
140 static int g_part_bsd64_resize(struct g_part_table *, struct g_part_entry *,
141 struct g_part_parms *);
143 static kobj_method_t g_part_bsd64_methods[] = {
144 KOBJMETHOD(g_part_add, g_part_bsd64_add),
145 KOBJMETHOD(g_part_bootcode, g_part_bsd64_bootcode),
146 KOBJMETHOD(g_part_create, g_part_bsd64_create),
147 KOBJMETHOD(g_part_destroy, g_part_bsd64_destroy),
148 KOBJMETHOD(g_part_dumpconf, g_part_bsd64_dumpconf),
149 KOBJMETHOD(g_part_dumpto, g_part_bsd64_dumpto),
150 KOBJMETHOD(g_part_modify, g_part_bsd64_modify),
151 KOBJMETHOD(g_part_resize, g_part_bsd64_resize),
152 KOBJMETHOD(g_part_name, g_part_bsd64_name),
153 KOBJMETHOD(g_part_probe, g_part_bsd64_probe),
154 KOBJMETHOD(g_part_read, g_part_bsd64_read),
155 KOBJMETHOD(g_part_type, g_part_bsd64_type),
156 KOBJMETHOD(g_part_write, g_part_bsd64_write),
160 static struct g_part_scheme g_part_bsd64_scheme = {
162 g_part_bsd64_methods,
163 sizeof(struct g_part_bsd64_table),
164 .gps_entrysz = sizeof(struct g_part_bsd64_entry),
165 .gps_minent = MAXPARTITIONS64,
166 .gps_maxent = MAXPARTITIONS64
168 G_PART_SCHEME_DECLARE(g_part_bsd64);
169 MODULE_VERSION(geom_part_bsd64, 0);
171 #define EQUUID(a, b) (memcmp(a, b, sizeof(struct uuid)) == 0)
172 static struct uuid bsd64_uuid_unused = GPT_ENT_TYPE_UNUSED;
173 static struct uuid bsd64_uuid_dfbsd_swap = GPT_ENT_TYPE_DRAGONFLY_SWAP;
174 static struct uuid bsd64_uuid_dfbsd_ufs1 = GPT_ENT_TYPE_DRAGONFLY_UFS1;
175 static struct uuid bsd64_uuid_dfbsd_vinum = GPT_ENT_TYPE_DRAGONFLY_VINUM;
176 static struct uuid bsd64_uuid_dfbsd_ccd = GPT_ENT_TYPE_DRAGONFLY_CCD;
177 static struct uuid bsd64_uuid_dfbsd_legacy = GPT_ENT_TYPE_DRAGONFLY_LEGACY;
178 static struct uuid bsd64_uuid_dfbsd_hammer = GPT_ENT_TYPE_DRAGONFLY_HAMMER;
179 static struct uuid bsd64_uuid_dfbsd_hammer2 = GPT_ENT_TYPE_DRAGONFLY_HAMMER2;
180 static struct uuid bsd64_uuid_freebsd_boot = GPT_ENT_TYPE_FREEBSD_BOOT;
181 static struct uuid bsd64_uuid_freebsd_nandfs = GPT_ENT_TYPE_FREEBSD_NANDFS;
182 static struct uuid bsd64_uuid_freebsd_swap = GPT_ENT_TYPE_FREEBSD_SWAP;
183 static struct uuid bsd64_uuid_freebsd_ufs = GPT_ENT_TYPE_FREEBSD_UFS;
184 static struct uuid bsd64_uuid_freebsd_vinum = GPT_ENT_TYPE_FREEBSD_VINUM;
185 static struct uuid bsd64_uuid_freebsd_zfs = GPT_ENT_TYPE_FREEBSD_ZFS;
187 struct bsd64_uuid_alias {
192 static struct bsd64_uuid_alias dfbsd_alias_match[] = {
193 { &bsd64_uuid_dfbsd_swap, FS_SWAP, G_PART_ALIAS_DFBSD_SWAP },
194 { &bsd64_uuid_dfbsd_ufs1, FS_BSDFFS, G_PART_ALIAS_DFBSD_UFS },
195 { &bsd64_uuid_dfbsd_vinum, FS_VINUM, G_PART_ALIAS_DFBSD_VINUM },
196 { &bsd64_uuid_dfbsd_ccd, FS_CCD, G_PART_ALIAS_DFBSD_CCD },
197 { &bsd64_uuid_dfbsd_legacy, FS_OTHER, G_PART_ALIAS_DFBSD_LEGACY },
198 { &bsd64_uuid_dfbsd_hammer, FS_HAMMER, G_PART_ALIAS_DFBSD_HAMMER },
199 { &bsd64_uuid_dfbsd_hammer2, FS_HAMMER2, G_PART_ALIAS_DFBSD_HAMMER2 },
202 static struct bsd64_uuid_alias fbsd_alias_match[] = {
203 { &bsd64_uuid_freebsd_boot, FS_OTHER, G_PART_ALIAS_FREEBSD_BOOT },
204 { &bsd64_uuid_freebsd_swap, FS_OTHER, G_PART_ALIAS_FREEBSD_SWAP },
205 { &bsd64_uuid_freebsd_ufs, FS_OTHER, G_PART_ALIAS_FREEBSD_UFS },
206 { &bsd64_uuid_freebsd_zfs, FS_OTHER, G_PART_ALIAS_FREEBSD_ZFS },
207 { &bsd64_uuid_freebsd_vinum, FS_OTHER, G_PART_ALIAS_FREEBSD_VINUM },
208 { &bsd64_uuid_freebsd_nandfs, FS_OTHER, G_PART_ALIAS_FREEBSD_NANDFS },
213 bsd64_parse_type(const char *type, struct g_part_bsd64_entry *entry)
216 const struct bsd64_uuid_alias *uap;
222 if (type[0] == '!') {
225 lt = strtol(type + 1, &p, 0);
226 /* The type specified as number */
228 if (lt <= 0 || lt > 255)
231 entry->type_uuid = bsd64_uuid_unused;
234 /* The type specified as uuid */
235 error = parse_uuid(type + 1, &tmp);
238 if (EQUUID(&tmp, &bsd64_uuid_unused))
240 for (uap = &dfbsd_alias_match[0]; uap->uuid != NULL; uap++) {
241 if (EQUUID(&tmp, uap->uuid)) {
242 /* Prefer fstype for known uuids */
243 entry->type_uuid = bsd64_uuid_unused;
244 entry->fstype = uap->fstype;
248 entry->type_uuid = tmp;
249 entry->fstype = FS_OTHER;
252 /* The type specified as symbolic alias name */
253 for (uap = &fbsd_alias_match[0]; uap->uuid != NULL; uap++) {
254 alias = g_part_alias_name(uap->alias);
255 if (!strcasecmp(type, alias)) {
256 entry->type_uuid = *uap->uuid;
257 entry->fstype = uap->fstype;
261 for (uap = &dfbsd_alias_match[0]; uap->uuid != NULL; uap++) {
262 alias = g_part_alias_name(uap->alias);
263 if (!strcasecmp(type, alias)) {
264 entry->type_uuid = bsd64_uuid_unused;
265 entry->fstype = uap->fstype;
273 g_part_bsd64_add(struct g_part_table *basetable, struct g_part_entry *baseentry,
274 struct g_part_parms *gpp)
276 struct g_part_bsd64_entry *entry;
278 if (gpp->gpp_parms & G_PART_PARM_LABEL)
281 entry = (struct g_part_bsd64_entry *)baseentry;
282 if (bsd64_parse_type(gpp->gpp_type, entry) != 0)
284 kern_uuidgen(&entry->stor_uuid, 1);
289 g_part_bsd64_bootcode(struct g_part_table *basetable, struct g_part_parms *gpp)
295 #define PALIGN_SIZE (1024 * 1024)
296 #define PALIGN_MASK (PALIGN_SIZE - 1)
297 #define BLKSIZE (4 * 1024)
298 #define BOOTSIZE (32 * 1024)
299 #define DALIGN_SIZE (32 * 1024)
301 g_part_bsd64_create(struct g_part_table *basetable, struct g_part_parms *gpp)
303 struct g_part_bsd64_table *table;
304 struct g_part_entry *baseentry;
305 struct g_provider *pp;
306 uint64_t blkmask, pbase;
307 uint32_t blksize, ressize;
309 pp = gpp->gpp_provider;
310 if (pp->mediasize < 2* PALIGN_SIZE)
314 * Use at least 4KB block size. Blksize is stored in the d_align.
315 * XXX: Actually it is used just for calculate d_bbase and used
316 * for better alignment in bsdlabel64(8).
318 blksize = pp->sectorsize < BLKSIZE ? BLKSIZE: pp->sectorsize;
319 blkmask = blksize - 1;
320 /* Reserve enough space for RESPARTITIONS64 partitions. */
321 ressize = offsetof(struct disklabel64, d_partitions[RESPARTITIONS64]);
322 ressize = (ressize + blkmask) & ~blkmask;
324 * Reserve enough space for bootcode and align first allocatable
325 * offset to PALIGN_SIZE.
326 * XXX: Currently DragonFlyBSD has 32KB bootcode, but the size could
327 * be bigger, because it is possible change it (it is equal pbase-bbase)
328 * in the bsdlabel64(8).
330 pbase = ressize + ((BOOTSIZE + blkmask) & ~blkmask);
331 pbase = (pbase + PALIGN_MASK) & ~PALIGN_MASK;
333 * Take physical offset into account and make first allocatable
334 * offset 32KB aligned to the start of the physical disk.
335 * XXX: Actually there are no such restrictions, this is how
336 * DragonFlyBSD behaves.
338 pbase += DALIGN_SIZE - pp->stripeoffset % DALIGN_SIZE;
340 table = (struct g_part_bsd64_table *)basetable;
341 table->d_align = blksize;
342 table->d_bbase = ressize / pp->sectorsize;
343 table->d_abase = ((pp->mediasize - ressize) &
344 ~blkmask) / pp->sectorsize;
345 kern_uuidgen(&table->d_stor_uuid, 1);
346 basetable->gpt_first = pbase / pp->sectorsize;
347 basetable->gpt_last = table->d_abase - 1; /* XXX */
349 * Create 'c' partition and make it internal, so user will not be
352 baseentry = g_part_new_entry(basetable, RAW_PART + 1, 0, 0);
353 baseentry->gpe_internal = 1;
358 g_part_bsd64_destroy(struct g_part_table *basetable, struct g_part_parms *gpp)
360 struct g_provider *pp;
362 pp = LIST_FIRST(&basetable->gpt_gp->consumer)->provider;
363 if (pp->sectorsize > offsetof(struct disklabel64, d_magic))
364 basetable->gpt_smhead |= 1;
366 basetable->gpt_smhead |= 3;
371 g_part_bsd64_dumpconf(struct g_part_table *basetable,
372 struct g_part_entry *baseentry, struct sbuf *sb, const char *indent)
374 struct g_part_bsd64_table *table;
375 struct g_part_bsd64_entry *entry;
376 char buf[sizeof(table->d_packname)];
378 entry = (struct g_part_bsd64_entry *)baseentry;
379 if (indent == NULL) {
380 /* conftxt: libdisk compatibility */
381 sbuf_printf(sb, " xs BSD64 xt %u", entry->fstype);
382 } else if (entry != NULL) {
383 /* confxml: partition entry information */
384 sbuf_printf(sb, "%s<rawtype>%u</rawtype>\n", indent,
386 if (!EQUUID(&bsd64_uuid_unused, &entry->type_uuid)) {
387 sbuf_printf(sb, "%s<type_uuid>", indent);
388 sbuf_printf_uuid(sb, &entry->type_uuid);
389 sbuf_cat(sb, "</type_uuid>\n");
391 sbuf_printf(sb, "%s<stor_uuid>", indent);
392 sbuf_printf_uuid(sb, &entry->stor_uuid);
393 sbuf_cat(sb, "</stor_uuid>\n");
395 /* confxml: scheme information */
396 table = (struct g_part_bsd64_table *)basetable;
397 sbuf_printf(sb, "%s<bootbase>%ju</bootbase>\n", indent,
398 (uintmax_t)table->d_bbase);
400 sbuf_printf(sb, "%s<backupbase>%ju</backupbase>\n",
401 indent, (uintmax_t)table->d_abase);
402 sbuf_printf(sb, "%s<stor_uuid>", indent);
403 sbuf_printf_uuid(sb, &table->d_stor_uuid);
404 sbuf_cat(sb, "</stor_uuid>\n");
405 sbuf_printf(sb, "%s<label>", indent);
406 strncpy(buf, table->d_packname, sizeof(buf) - 1);
407 buf[sizeof(buf) - 1] = '\0';
408 g_conf_cat_escaped(sb, buf);
409 sbuf_cat(sb, "</label>\n");
414 g_part_bsd64_dumpto(struct g_part_table *table, struct g_part_entry *baseentry)
416 struct g_part_bsd64_entry *entry;
418 /* Allow dumping to a swap partition. */
419 entry = (struct g_part_bsd64_entry *)baseentry;
420 if (entry->fstype == FS_SWAP ||
421 EQUUID(&entry->type_uuid, &bsd64_uuid_dfbsd_swap) ||
422 EQUUID(&entry->type_uuid, &bsd64_uuid_freebsd_swap))
428 g_part_bsd64_modify(struct g_part_table *basetable,
429 struct g_part_entry *baseentry, struct g_part_parms *gpp)
431 struct g_part_bsd64_entry *entry;
433 if (gpp->gpp_parms & G_PART_PARM_LABEL)
436 entry = (struct g_part_bsd64_entry *)baseentry;
437 if (gpp->gpp_parms & G_PART_PARM_TYPE)
438 return (bsd64_parse_type(gpp->gpp_type, entry));
443 g_part_bsd64_resize(struct g_part_table *basetable,
444 struct g_part_entry *baseentry, struct g_part_parms *gpp)
446 struct g_part_bsd64_table *table;
447 struct g_provider *pp;
449 if (baseentry == NULL) {
450 pp = LIST_FIRST(&basetable->gpt_gp->consumer)->provider;
451 table = (struct g_part_bsd64_table *)basetable;
453 rounddown2(pp->mediasize - table->d_bbase * pp->sectorsize,
454 table->d_align) / pp->sectorsize;
455 basetable->gpt_last = table->d_abase - 1;
458 baseentry->gpe_end = baseentry->gpe_start + gpp->gpp_size - 1;
463 g_part_bsd64_name(struct g_part_table *table, struct g_part_entry *baseentry,
464 char *buf, size_t bufsz)
467 snprintf(buf, bufsz, "%c", 'a' + baseentry->gpe_index - 1);
472 g_part_bsd64_probe(struct g_part_table *table, struct g_consumer *cp)
474 struct g_provider *pp;
480 if (pp->mediasize < 2 * PALIGN_SIZE)
482 v = rounddown2(pp->sectorsize + offsetof(struct disklabel64, d_magic),
484 buf = g_read_data(cp, 0, v, &error);
487 v = le32dec(buf + offsetof(struct disklabel64, d_magic));
489 return (v == DISKMAGIC64 ? G_PART_PROBE_PRI_HIGH: ENXIO);
493 g_part_bsd64_read(struct g_part_table *basetable, struct g_consumer *cp)
495 struct g_part_bsd64_table *table;
496 struct g_part_bsd64_entry *entry;
497 struct g_part_entry *baseentry;
498 struct g_provider *pp;
499 struct disklabel64 *dlp;
506 table = (struct g_part_bsd64_table *)basetable;
507 v32 = roundup2(sizeof(struct disklabel64), pp->sectorsize);
508 buf = g_read_data(cp, 0, v32, &error);
512 dlp = (struct disklabel64 *)buf;
513 basetable->gpt_entries = le32toh(dlp->d_npartitions);
514 if (basetable->gpt_entries > MAXPARTITIONS64 ||
515 basetable->gpt_entries < 1)
517 v32 = le32toh(dlp->d_crc);
519 if (crc32(&dlp->d_magic, offsetof(struct disklabel64,
520 d_partitions[basetable->gpt_entries]) -
521 offsetof(struct disklabel64, d_magic)) != v32)
523 table->d_align = le32toh(dlp->d_align);
524 if (table->d_align == 0 || (table->d_align & (pp->sectorsize - 1)))
526 if (le64toh(dlp->d_total_size) > pp->mediasize)
528 v64 = le64toh(dlp->d_pbase);
529 if (v64 % pp->sectorsize)
531 basetable->gpt_first = v64 / pp->sectorsize;
532 v64 = le64toh(dlp->d_pstop);
533 if (v64 % pp->sectorsize)
535 basetable->gpt_last = v64 / pp->sectorsize;
536 basetable->gpt_isleaf = 1;
537 v64 = le64toh(dlp->d_bbase);
538 if (v64 % pp->sectorsize)
540 table->d_bbase = v64 / pp->sectorsize;
541 v64 = le64toh(dlp->d_abase);
542 if (v64 % pp->sectorsize)
544 table->d_abase = v64 / pp->sectorsize;
545 le_uuid_dec(&dlp->d_stor_uuid, &table->d_stor_uuid);
546 for (index = basetable->gpt_entries - 1; index >= 0; index--) {
547 if (index == RAW_PART) {
548 /* Skip 'c' partition. */
549 baseentry = g_part_new_entry(basetable,
551 baseentry->gpe_internal = 1;
554 v64 = le64toh(dlp->d_partitions[index].p_boffset);
555 sz = le64toh(dlp->d_partitions[index].p_bsize);
556 if (sz == 0 && v64 == 0)
558 if (sz == 0 || (v64 % pp->sectorsize) || (sz % pp->sectorsize))
560 baseentry = g_part_new_entry(basetable, index + 1,
561 v64 / pp->sectorsize, (v64 + sz) / pp->sectorsize - 1);
562 entry = (struct g_part_bsd64_entry *)baseentry;
563 le_uuid_dec(&dlp->d_partitions[index].p_type_uuid,
565 le_uuid_dec(&dlp->d_partitions[index].p_stor_uuid,
567 entry->fstype = dlp->d_partitions[index].p_fstype;
569 bcopy(dlp->d_reserved0, table->d_reserved0,
570 sizeof(table->d_reserved0));
571 bcopy(dlp->d_packname, table->d_packname, sizeof(table->d_packname));
572 bcopy(dlp->d_reserved, table->d_reserved, sizeof(table->d_reserved));
582 g_part_bsd64_type(struct g_part_table *basetable, struct g_part_entry *baseentry,
583 char *buf, size_t bufsz)
585 struct g_part_bsd64_entry *entry;
586 struct bsd64_uuid_alias *uap;
588 entry = (struct g_part_bsd64_entry *)baseentry;
589 if (entry->fstype != FS_OTHER) {
590 for (uap = &dfbsd_alias_match[0]; uap->uuid != NULL; uap++)
591 if (uap->fstype == entry->fstype)
592 return (g_part_alias_name(uap->alias));
594 for (uap = &fbsd_alias_match[0]; uap->uuid != NULL; uap++)
595 if (EQUUID(uap->uuid, &entry->type_uuid))
596 return (g_part_alias_name(uap->alias));
597 for (uap = &dfbsd_alias_match[0]; uap->uuid != NULL; uap++)
598 if (EQUUID(uap->uuid, &entry->type_uuid))
599 return (g_part_alias_name(uap->alias));
601 if (EQUUID(&bsd64_uuid_unused, &entry->type_uuid))
602 snprintf(buf, bufsz, "!%d", entry->fstype);
605 snprintf_uuid(buf + 1, bufsz - 1, &entry->type_uuid);
611 g_part_bsd64_write(struct g_part_table *basetable, struct g_consumer *cp)
613 struct g_provider *pp;
614 struct g_part_entry *baseentry;
615 struct g_part_bsd64_entry *entry;
616 struct g_part_bsd64_table *table;
617 struct disklabel64 *dlp;
622 table = (struct g_part_bsd64_table *)basetable;
623 sz = roundup2(sizeof(struct disklabel64), pp->sectorsize);
624 dlp = g_malloc(sz, M_WAITOK | M_ZERO);
626 memcpy(dlp->d_reserved0, table->d_reserved0,
627 sizeof(table->d_reserved0));
628 memcpy(dlp->d_packname, table->d_packname, sizeof(table->d_packname));
629 memcpy(dlp->d_reserved, table->d_reserved, sizeof(table->d_reserved));
630 le32enc(&dlp->d_magic, DISKMAGIC64);
631 le32enc(&dlp->d_align, table->d_align);
632 le32enc(&dlp->d_npartitions, basetable->gpt_entries);
633 le_uuid_enc(&dlp->d_stor_uuid, &table->d_stor_uuid);
634 le64enc(&dlp->d_total_size, pp->mediasize);
635 le64enc(&dlp->d_bbase, table->d_bbase * pp->sectorsize);
636 le64enc(&dlp->d_pbase, basetable->gpt_first * pp->sectorsize);
637 le64enc(&dlp->d_pstop, basetable->gpt_last * pp->sectorsize);
638 le64enc(&dlp->d_abase, table->d_abase * pp->sectorsize);
640 LIST_FOREACH(baseentry, &basetable->gpt_entry, gpe_entry) {
641 if (baseentry->gpe_deleted)
643 index = baseentry->gpe_index - 1;
644 entry = (struct g_part_bsd64_entry *)baseentry;
645 if (index == RAW_PART)
647 le64enc(&dlp->d_partitions[index].p_boffset,
648 baseentry->gpe_start * pp->sectorsize);
649 le64enc(&dlp->d_partitions[index].p_bsize, pp->sectorsize *
650 (baseentry->gpe_end - baseentry->gpe_start + 1));
651 dlp->d_partitions[index].p_fstype = entry->fstype;
652 le_uuid_enc(&dlp->d_partitions[index].p_type_uuid,
654 le_uuid_enc(&dlp->d_partitions[index].p_stor_uuid,
657 /* Calculate checksum. */
658 v = offsetof(struct disklabel64,
659 d_partitions[basetable->gpt_entries]) -
660 offsetof(struct disklabel64, d_magic);
661 le32enc(&dlp->d_crc, crc32(&dlp->d_magic, v));
662 error = g_write_data(cp, 0, dlp, sz);