2 * Copyright (c) 2002 Marcel Moolenaar
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/types.h>
42 static uuid_t add_type;
43 static off_t add_block, add_size;
44 static unsigned int add_entry;
51 "usage: %s [-b lba] [-i index] [-s lba] [-t uuid] device ...\n",
57 gpt_add_part(int fd, uuid_t type, off_t start, off_t size, unsigned int *entry)
66 gpt = map_find(MAP_TYPE_PRI_GPT_HDR);
68 warnx("%s: error: no primary GPT header; run create or recover",
73 tpg = map_find(MAP_TYPE_SEC_GPT_HDR);
75 warnx("%s: error: no secondary GPT header; run recover",
80 tbl = map_find(MAP_TYPE_PRI_GPT_TBL);
81 lbt = map_find(MAP_TYPE_SEC_GPT_TBL);
82 if (tbl == NULL || lbt == NULL) {
83 warnx("%s: error: run recover -- trust me", device_name);
88 if (*entry > le32toh(hdr->hdr_entries)) {
89 warnx("%s: error: index %u out of range (%u max)", device_name,
90 *entry, le32toh(hdr->hdr_entries));
96 ent = (void*)((char*)tbl->map_data + i *
97 le32toh(hdr->hdr_entsz));
98 if (!uuid_is_nil(&ent->ent_type, NULL)) {
99 warnx("%s: error: entry at index %u is not free",
100 device_name, *entry);
104 /* Find empty slot in GPT table. */
105 for (i = 0; i < le32toh(hdr->hdr_entries); i++) {
106 ent = (void*)((char*)tbl->map_data + i *
107 le32toh(hdr->hdr_entsz));
108 if (uuid_is_nil(&ent->ent_type, NULL))
111 if (i == le32toh(hdr->hdr_entries)) {
112 warnx("%s: error: no available table entries",
118 map = map_alloc(start, size);
120 warnx("%s: error: no space available on device", device_name);
124 le_uuid_enc(&ent->ent_type, &type);
125 ent->ent_lba_start = htole64(map->map_start);
126 ent->ent_lba_end = htole64(map->map_start + map->map_size - 1LL);
128 hdr->hdr_crc_table = htole32(crc32(tbl->map_data,
129 le32toh(hdr->hdr_entries) * le32toh(hdr->hdr_entsz)));
130 hdr->hdr_crc_self = 0;
131 hdr->hdr_crc_self = htole32(crc32(hdr, le32toh(hdr->hdr_size)));
137 ent = (void*)((char*)lbt->map_data + i * le32toh(hdr->hdr_entsz));
139 le_uuid_enc(&ent->ent_type, &type);
140 ent->ent_lba_start = htole64(map->map_start);
141 ent->ent_lba_end = htole64(map->map_start + map->map_size - 1LL);
143 hdr->hdr_crc_table = htole32(crc32(lbt->map_data,
144 le32toh(hdr->hdr_entries) * le32toh(hdr->hdr_entsz)));
145 hdr->hdr_crc_self = 0;
146 hdr->hdr_crc_self = htole32(crc32(hdr, le32toh(hdr->hdr_size)));
160 if (gpt_add_part(fd, add_type, add_block, add_size, &add_entry) != 0)
163 printf("%sp%u added\n", device_name, add_entry);
167 cmd_add(int argc, char *argv[])
172 /* Get the migrate options */
173 while ((ch = getopt(argc, argv, "b:i:s:t:")) != -1) {
178 add_block = strtoll(optarg, &p, 10);
179 if (*p != 0 || add_block < 1)
185 add_entry = strtol(optarg, &p, 10);
186 if (*p != 0 || add_entry < 1)
192 add_size = strtoll(optarg, &p, 10);
193 if (*p != 0 || add_size < 1)
197 if (!uuid_is_nil(&add_type, NULL))
199 if (parse_uuid(optarg, &add_type) != 0)
210 /* Create UFS partitions by default. */
211 if (uuid_is_nil(&add_type, NULL)) {
212 uuid_t ufs = GPT_ENT_TYPE_FREEBSD_UFS;
216 while (optind < argc) {
217 fd = gpt_open(argv[optind++]);
219 warn("unable to open device '%s'", device_name);