Cross Reference: /src/sbin/gpt/recover.c

Lines Matching refs:gpt
33 __FBSDID("$FreeBSD: src/sbin/gpt/recover.c,v 1.8 2005/08/31 01:47:19 marcel Exp $");
49 #include "gpt.h"
68 recover_gpt_hdr(gpt_t gpt, int type, off_t last)
74 	if (gpt_add_hdr(gpt, type, last) == -1)
79 		dgpt = &gpt->gpt;
80 		dtbl = gpt->tbl;
81 		sgpt = gpt->tpg;
82 		stbl = gpt->lbt;
87 		dgpt = &gpt->tpg;
88 		dtbl = gpt->lbt;
89 		sgpt = gpt->gpt;
90 		stbl = gpt->tbl;
95 		gpt_warn(gpt, "Bad table type %d", type);
99 	memcpy((*dgpt)->map_data, sgpt->map_data, gpt->secsz);
106 	if (gpt_write(gpt, *dgpt) == -1) {
107 		gpt_warnx(gpt, "Writing %s GPT header failed", name);
110 	gpt_msg(gpt, "Recovered %s GPT header from %s", name, origname);
115 recover_gpt_tbl(gpt_t gpt, int type, off_t start)
122 		dtbl = &gpt->tbl;
123 		stbl = gpt->lbt;
128 		dtbl = &gpt->lbt;
129 		stbl = gpt->tbl;
134 		gpt_warn(gpt, "Bad table type %d", type);
138 	*dtbl = map_add(gpt, start, stbl->map_size, type, stbl->map_data, 0);
140 		gpt_warnx(gpt, "Adding %s GPT table failed", name);
143 	if (gpt_write(gpt, *dtbl) == -1) {
144 		gpt_warnx(gpt, "Writing %s GPT table failed", name);
147 	gpt_msg(gpt, "Recovered %s GPT table from %s", name, origname);
152 recover(gpt_t gpt)
154 	off_t last = gpt_last(gpt);
158 	if (map_find(gpt, MAP_TYPE_MBR) != NULL) {
159 		gpt_warnx(gpt, "Device contains an MBR");
163 	gpt->gpt = map_find(gpt, MAP_TYPE_PRI_GPT_HDR);
164 	gpt->tpg = map_find(gpt, MAP_TYPE_SEC_GPT_HDR);
165 	gpt->tbl = map_find(gpt, MAP_TYPE_PRI_GPT_TBL);
166 	gpt->lbt = map_find(gpt, MAP_TYPE_SEC_GPT_TBL);
168 	if (gpt->gpt == NULL && gpt->tpg == NULL) {
169 		gpt_warnx(gpt, "No primary or secondary GPT headers, "
173 	if (gpt->tbl == NULL && gpt->lbt == NULL) {
174 		gpt_warnx(gpt, "No primary or secondary GPT tables, "
179 	if (gpt->gpt != NULL &&
180 	    le64toh(((struct gpt_hdr *)(gpt->gpt->map_data))->hdr_lba_alt) !=
182 		gpt_warnx(gpt, "Media size has changed, please use "
187 	if (gpt->tbl != NULL && gpt->lbt == NULL) {
188 		if (recover_gpt_tbl(gpt, MAP_TYPE_SEC_GPT_TBL,
189 		    last - gpt->tbl->map_size) == -1)
191 	} else if (gpt->tbl == NULL && gpt->lbt != NULL) {
192 		if (recover_gpt_tbl(gpt, MAP_TYPE_PRI_GPT_TBL, 2LL) == -1)
196 	if (gpt->gpt != NULL && gpt->tpg == NULL) {
197 		if (recover_gpt_hdr(gpt, MAP_TYPE_SEC_GPT_HDR, last) == -1)
199 	} else if (gpt->gpt == NULL && gpt->tpg != NULL) {
200 		if (recover_gpt_hdr(gpt, MAP_TYPE_PRI_GPT_HDR, 1LL) == -1)
207 	if (map_find(gpt, MAP_TYPE_PMBR) == NULL) {
208 		if (map_free(gpt, 0LL, 1LL) == 0) {
209 			gpt_warnx(gpt, "No room for the PMBR");
212 		mbr = gpt_read(gpt, 0LL, 1);
214 			gpt_warnx(gpt, "Error reading MBR");
221 		map = map_add(gpt, 0LL, 1LL, MAP_TYPE_PMBR, mbr, 1);
222 		if (gpt_write(gpt, map) == -1) {
223 			gpt_warn(gpt, "Can't write PMBR");
226 		gpt_msg(gpt,
227 		    "Recreated PMBR (you may need to rerun 'gpt biosboot'");
233 cmd_recover(gpt_t gpt, int argc, char *argv[])
238 	return recover(gpt);
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