54     CTLFLAG_RW | CTLFLAG_MPSAFE, 0,
57 static u_int ldm_debug = 0;
59     CTLFLAG_RWTUN, &ldm_debug, 0, "Debug level");
65 static u_int show_mirrors = 0;
67     CTLFLAG_RWTUN, &show_mirrors, 0, "Show mirrored volumes");
73 } while (0)
76 		hexdump(buf, size, NULL, 0);				\
78 } while (0)
95 #define	LDM_PH_MBRINDEX		0
98 #define	LDM_VERSION_2K		0x2000b
99 #define	LDM_VERSION_VISTA	0x2000c
100 #define	LDM_PH_VERSION_OFF	0x00c
101 #define	LDM_PH_DISKGUID_OFF	0x030
102 #define	LDM_PH_DGGUID_OFF	0x0b0
103 #define	LDM_PH_DGNAME_OFF	0x0f0
104 #define	LDM_PH_START_OFF	0x11b
105 #define	LDM_PH_SIZE_OFF		0x123
106 #define	LDM_PH_DB_OFF		0x12b
107 #define	LDM_PH_DBSIZE_OFF	0x133
108 #define	LDM_PH_TH1_OFF		0x13b
109 #define	LDM_PH_TH2_OFF		0x143
110 #define	LDM_PH_CONFSIZE_OFF	0x153
111 #define	LDM_PH_LOGSIZE_OFF	0x15b
136 #define	LDM_TH_NAME1_OFF	0x024
137 #define	LDM_TH_CONF_OFF		0x02e
138 #define	LDM_TH_CONFSIZE_OFF	0x036
139 #define	LDM_TH_NAME2_OFF	0x046
140 #define	LDM_TH_LOG_OFF		0x050
141 #define	LDM_TH_LOGSIZE_OFF	0x058
151 #define	LDM_DB_LASTSEQ_OFF	0x004
152 #define	LDM_DB_SIZE_OFF		0x008
153 #define	LDM_DB_STATUS_OFF	0x010
154 #define	LDM_DB_VERSION_OFF	0x012
155 #define	LDM_DB_DGNAME_OFF	0x016
156 #define	LDM_DB_DGGUID_OFF	0x035
208 #if 0
238  *	0x00		16		standard VBLK header
239  *	0x10		2		update status
240  *	0x13		1		VBLK type
241  *	0x18		PS		object id
242  *	0x18+		PN		object name
244  *  o Offset 0x18+ means '0x18 + length of all variable-width fields'
249 #define	LDM_VBLK_SEQ_OFF	0x04
250 #define	LDM_VBLK_GROUP_OFF	0x08
251 #define	LDM_VBLK_INDEX_OFF	0x0c
252 #define	LDM_VBLK_COUNT_OFF	0x0e
253 #define	LDM_VBLK_TYPE_OFF	0x13
254 #define	LDM_VBLK_OID_OFF	0x18
262 #define	LDM_VBLK_T_COMPONENT	0x32
263 #define	LDM_VBLK_T_PARTITION	0x33
264 #define	LDM_VBLK_T_DISK		0x34
265 #define	LDM_VBLK_T_DISKGROUP	0x35
266 #define	LDM_VBLK_T_DISK4	0x44
267 #define	LDM_VBLK_T_DISKGROUP4	0x45
268 #define	LDM_VBLK_T_VOLUME	0x51
277 #if 0
354 	{ 0, 0 }
364 MODULE_VERSION(geom_part_ldm, 0);
392 	if (memcmp(buf, LDM_PH_SIGN, strlen(LDM_PH_SIGN)) != 0) {  in ldm_privhdr_read()
409 	memset(hdr, 0, sizeof(*hdr));  in ldm_privhdr_parse()
413 		LDM_DEBUG(0, "%s: unsupported LDM version %u.%u",  in ldm_privhdr_parse()
415 		    version & 0xFFFF);  in ldm_privhdr_parse()
419 	if (error != 0)  in ldm_privhdr_parse()
422 	if (error != 0)  in ldm_privhdr_parse()
429 	hdr->th_offset[0] = be64dec(buf + LDM_PH_TH1_OFF);  in ldm_privhdr_parse()
433 	return (0);  in ldm_privhdr_parse()
458 	for (found = 0, i = is_gpt; i < nitems(ldm_ph_off); i++) {  in ldm_privhdr_check()
481 		if (error != 0) {  in ldm_privhdr_check()
494 		    hdr.th_offset[0] >= LDM_DB_SIZE ||  in ldm_privhdr_check()
503 			    hdr.db_offset, hdr.db_size, hdr.th_offset[0],  in ldm_privhdr_check()
508 		if (found != 0 && memcmp(&db->ph, &hdr, sizeof(hdr)) != 0) {  in ldm_privhdr_check()
509 			LDM_DEBUG(0, "%s: private headers are not equal",  in ldm_privhdr_check()
516 				LDM_DEBUG(0, "%s: refuse LDM metadata",  in ldm_privhdr_check()
525 			found = 0;  in ldm_privhdr_check()
527 		if (found == 0)  in ldm_privhdr_check()
531 	if (found == 0) {  in ldm_privhdr_check()
536 	return (0);  in ldm_privhdr_check()
550 	error = 0;  in ldm_gpt_check()
563 		if (error != 0) {  in ldm_gpt_check()
564 			LDM_DEBUG(0, "%s: GPT partition %d boundaries "  in ldm_gpt_check()
585 	for (i = 0, found = 0; i < LDM_TH_COUNT; i++) {  in ldm_tochdr_check()
594 		if (memcmp(buf, LDM_TH_SIGN, strlen(LDM_TH_SIGN)) != 0 ||  in ldm_tochdr_check()
596 		    strlen(LDM_TH_NAME1)) != 0 ||  in ldm_tochdr_check()
598 		    strlen(LDM_TH_NAME2)) != 0) {  in ldm_tochdr_check()
621 		if (found == 0)  in ldm_tochdr_check()
625 	if (found == 0) {  in ldm_tochdr_check()
626 		LDM_DEBUG(0, "%s: valid LDM TOC header not found.",  in ldm_tochdr_check()
630 	return (0);  in ldm_tochdr_check()
648 		LDM_DEBUG(0, "%s: failed to read VMDB header at "  in ldm_vmdbhdr_check()
652 	if (memcmp(buf, LDM_VMDB_SIGN, strlen(LDM_VMDB_SIGN)) != 0) {  in ldm_vmdbhdr_check()
654 		LDM_DEBUG(0, "%s: failed to parse VMDB header at "  in ldm_vmdbhdr_check()
660 	if (version != 0x4000A) {  in ldm_vmdbhdr_check()
662 		LDM_DEBUG(0, "%s: unsupported VMDB version %u.%u",  in ldm_vmdbhdr_check()
663 		    pp->name, version >> 16, version & 0xFFFF);  in ldm_vmdbhdr_check()
674 		LDM_DEBUG(0, "%s: VMDB is not in a consistent state",  in ldm_vmdbhdr_check()
682 	if (error != 0 || db->dh.size == 0 ||  in ldm_vmdbhdr_check()
683 	    pp->sectorsize % db->dh.size != 0 ||  in ldm_vmdbhdr_check()
684 	    strncmp(buf + LDM_DB_DGNAME_OFF, db->ph.dg_name, 31) != 0 ||  in ldm_vmdbhdr_check()
685 	    memcmp(&dg_guid, &db->ph.dg_guid, sizeof(dg_guid)) != 0 ||  in ldm_vmdbhdr_check()
688 		LDM_DEBUG(0, "%s: invalid values in the VMDB header",  in ldm_vmdbhdr_check()
695 	return (0);  in ldm_vmdbhdr_check()
713 		blk->map = 0xFF << vh->count;  in ldm_xvblk_handle()
716 	if ((blk->map & (1 << vh->index)) != 0) {  in ldm_xvblk_handle()
723 	return (0);  in ldm_xvblk_handle()
736 	for (num = 0; len > 0; len--)  in ldm_vnum_get()
753 	result[len] = '\0';  in ldm_vstr_get()
782 	if (offset < 0) {  in ldm_vblk_handle()
787 	if (offset < 0) {  in ldm_vblk_handle()
796 	 *  0x18+	PS	volume state  in ldm_vblk_handle()
797 	 *  0x18+5	PN	component children count  in ldm_vblk_handle()
798 	 *  0x1D+16	PN	parent's volume object id  in ldm_vblk_handle()
799 	 *  0x2D+1	PN	stripe size  in ldm_vblk_handle()
803 		if (offset < 0) {  in ldm_vblk_handle()
808 		if (offset < 0) {  in ldm_vblk_handle()
814 		if (offset < 0) {  in ldm_vblk_handle()
823 	 *  0x18+12	8	partition start offset  in ldm_vblk_handle()
824 	 *  0x18+20	8	volume offset  in ldm_vblk_handle()
825 	 *  0x18+28	PN	partition size  in ldm_vblk_handle()
826 	 *  0x34+	PN	parent's component object id  in ldm_vblk_handle()
827 	 *  0x34+	PN	disk's object id  in ldm_vblk_handle()
837 		if (offset < 0) {  in ldm_vblk_handle()
842 		if (offset < 0) {  in ldm_vblk_handle()
847 		if (offset < 0) {  in ldm_vblk_handle()
856 	 *  0x18+	PS	disk GUID  in ldm_vblk_handle()
861 		if (offset < 0)  in ldm_vblk_handle()
864 		if (error != 0)  in ldm_vblk_handle()
872 	 *  0x18+	PS	disk group GUID  in ldm_vblk_handle()
875 #if 0  in ldm_vblk_handle()
879 		if (offset < 0) {  in ldm_vblk_handle()
884 		if (error != 0) {  in ldm_vblk_handle()
895 	 *  0x18+	16	disk GUID  in ldm_vblk_handle()
905 	 *  0x18+	16	disk GUID  in ldm_vblk_handle()
908 #if 0  in ldm_vblk_handle()
919 	 *  0x18+	PS	volume type  in ldm_vblk_handle()
920 	 *  0x18+	PS	unknown  in ldm_vblk_handle()
921 	 *  0x18+	14(S)	volume state  in ldm_vblk_handle()
922 	 *  0x18+16	1	volume number  in ldm_vblk_handle()
923 	 *  0x18+21	PN	volume children count  in ldm_vblk_handle()
924 	 *  0x2D+16	PN	volume size  in ldm_vblk_handle()
925 	 *  0x3D+4	1	partition type  in ldm_vblk_handle()
929 		if (offset < 0) {  in ldm_vblk_handle()
934 		if (offset < 0) {  in ldm_vblk_handle()
944 		if (offset < 0) {  in ldm_vblk_handle()
949 		if (offset < 0) {  in ldm_vblk_handle()
971 		LDM_DEBUG(1, "unknown VBLK type 0x%02x\n", blk->type);  in ldm_vblk_handle()
975 	return (0);  in ldm_vblk_handle()
977 	LDM_DEBUG(0, "failed to parse '%s' in VBLK of type 0x%02x\n",  in ldm_vblk_handle()
1020 	for (n = 0; n < size; n += maxphys / pp->sectorsize) {  in ldm_vmdb_parse()
1028 			LDM_DEBUG(0, "%s: failed to read VBLK\n",  in ldm_vmdb_parse()
1035 			    strlen(LDM_VBLK_SIGN)) != 0) {  in ldm_vmdb_parse()
1036 				LDM_DEBUG(0, "%s: no VBLK signature\n",  in ldm_vmdb_parse()
1044 			if (vh.seq == 0 || vh.group == 0)  in ldm_vmdb_parse()
1048 			if (vh.count == 0 || vh.count > 4 ||  in ldm_vmdb_parse()
1050 				LDM_DEBUG(0, "%s: invalid values "  in ldm_vmdb_parse()
1057 				if (error != 0) {  in ldm_vmdb_parse()
1058 					LDM_DEBUG(0, "%s: xVBLK "  in ldm_vmdb_parse()
1065 			if (be16dec(p + 16) != 0)  in ldm_vmdb_parse()
1070 			if (error != 0)  in ldm_vmdb_parse()
1079 		if (xvblk->map == 0xFF) {  in ldm_vmdb_parse()
1081 			if (error != 0)  in ldm_vmdb_parse()
1084 			LDM_DEBUG(0, "%s: incomplete or corrupt "  in ldm_vmdb_parse()
1110 	return (0);  in ldm_vmdb_parse()
1158 	basetable->gpt_smhead = (1 << ldm_ph_off[0]) | 1;  in g_part_ldm_destroy()
1167 	return (0);  in g_part_ldm_destroy()
1193 	return (0);  in g_part_ldm_dumpto()
1234 		    &gpt_uuid_ms_ldm_metadata, sizeof(struct uuid)) != 0 ||  in ldm_gpt_probe()
1241 		if (error != 0) {  in ldm_gpt_probe()
1246 		error = g_access(cp2, 1, 0, 0);  in ldm_gpt_probe()
1247 		if (error != 0) {  in ldm_gpt_probe()
1270 		g_access(cp2, -1, 0, 0);  in ldm_gpt_probe()
1291 	if (error == 0 && strcmp(type, "GPT") == 0) {  in g_part_ldm_probe()
1292 		if (g_getattr("PART::type", cp, &type) != 0 ||  in g_part_ldm_probe()
1293 		    strcmp(type, "ms-ldm-data") != 0)  in g_part_ldm_probe()
1299 	if (basetable->gpt_depth != 0)  in g_part_ldm_probe()
1307 	buf = g_read_data(cp, 0, pp->sectorsize, &error);  in g_part_ldm_probe()
1317 	for (idx = 0; idx < NDOSPART && error != 0; idx++) {  in g_part_ldm_probe()
1319 			error = 0;  in g_part_ldm_probe()
1322 	if (error == 0) {  in g_part_ldm_probe()
1350 	memset(&db, 0, sizeof(db));  in g_part_ldm_read()
1356 	if (error != 0)  in g_part_ldm_read()
1358 	basetable->gpt_first = table->is_gpt ? 0: db.ph.start;  in g_part_ldm_read()
1364 		if (error != 0)  in g_part_ldm_read()
1371 		db.ph.db_offset = 0;  in g_part_ldm_read()
1375 	if (error != 0)  in g_part_ldm_read()
1379 	if (error != 0)  in g_part_ldm_read()
1389 		g_access(cp, -1, 0, 0);  in g_part_ldm_read()
1395 	if (error != 0)  in g_part_ldm_read()
1400 		sizeof(struct uuid)) == 0)  in g_part_ldm_read()
1415 			skipped = 0;  in g_part_ldm_read()
1417 			if (comp->count > 1 || part->offset != 0) {  in g_part_ldm_read()
1428 			if (vol->count > 1 && show_mirrors == 0) {  in g_part_ldm_read()
1446 			if (skipped == 0)  in g_part_ldm_read()
1451 			    " end: %ju, type: 0x%02x\n", cp->provider->name,  in g_part_ldm_read()
1470 	for (i = 0; i < nitems(ldm_alias_match); i++) {  in g_part_ldm_type()