49 static void fdisk_free_ld_nodes(ext_part_t *epp);
50 static void fdisk_ext_place_in_sorted_list(ext_part_t *epp,
52 static void fdisk_ext_remove_from_sorted_list(ext_part_t *epp,
54 static int fdisk_ext_overlapping_parts(ext_part_t *epp, uint32_t begsec,
56 static int fdisk_read_extpart(ext_part_t *epp);
57 static void fdisk_set_CHS_values(ext_part_t *epp, struct ipart *part);
58 static int fdisk_init_master_part_table(ext_part_t *epp);
60 static int fdisk_read_master_part_table(ext_part_t *epp);
63 fdisk_init_disk_geom(ext_part_t *epp)  in fdisk_init_disk_geom()  argument
71 	if (ioctl(epp->dev_fd, DKIOCG_VIRTGEOM, &disk_geom)) {  in fdisk_init_disk_geom()
81 			epp->disk_geom.virt_cyl = epp->disk_geom.virt_heads =  in fdisk_init_disk_geom()
82 			    epp->disk_geom.virt_sec = 0;  in fdisk_init_disk_geom()
88 		epp->disk_geom.virt_cyl = disk_geom.dkg_ncyl;  in fdisk_init_disk_geom()
89 		epp->disk_geom.virt_heads = disk_geom.dkg_nhead;  in fdisk_init_disk_geom()
90 		epp->disk_geom.virt_sec = disk_geom.dkg_nsect;  in fdisk_init_disk_geom()
94 	if (ioctl(epp->dev_fd, DKIOCG_PHYGEOM, &disk_geom)) {  in fdisk_init_disk_geom()
107 		if (ioctl(epp->dev_fd, DKIOCGGEOM, &disk_geom)) {  in fdisk_init_disk_geom()
112 	epp->disk_geom.phys_cyl = disk_geom.dkg_ncyl;  in fdisk_init_disk_geom()
113 	epp->disk_geom.phys_heads = disk_geom.dkg_nhead;  in fdisk_init_disk_geom()
114 	epp->disk_geom.phys_sec = disk_geom.dkg_nsect;  in fdisk_init_disk_geom()
115 	epp->disk_geom.alt_cyl = disk_geom.dkg_acyl;  in fdisk_init_disk_geom()
121 	if (ioctl(epp->dev_fd, DKIOCGMEDIAINFO, (caddr_t)&disk_info) < 0) {  in fdisk_init_disk_geom()
123 		epp->disk_geom.sectsize = 512;  in fdisk_init_disk_geom()
125 		epp->disk_geom.sectsize = ((disk_info.dki_lbsize) ?  in fdisk_init_disk_geom()
138 		epp->disk_geom.virt_sec	= MAX_SECT;  in fdisk_init_disk_geom()
139 		epp->disk_geom.virt_heads	= MAX_HEAD + 1;  in fdisk_init_disk_geom()
140 		epp->disk_geom.virt_cyl	= (epp->disk_geom.phys_cyl *  in fdisk_init_disk_geom()
141 		    epp->disk_geom.phys_heads * epp->disk_geom.phys_sec) /  in fdisk_init_disk_geom()
142 		    (epp->disk_geom.virt_sec * epp->disk_geom.virt_heads);  in fdisk_init_disk_geom()
152 libfdisk_init(ext_part_t **epp, char *devstr, struct ipart *parttab, int opflag)  in libfdisk_init()  argument
160 		*epp = NULL;  in libfdisk_init()
229 	*epp = temp;  in libfdisk_init()
236 		rval = fdisk_read_extpart(*epp);  in libfdisk_init()
241 	*epp = NULL;  in libfdisk_init()
247 libfdisk_reset(ext_part_t *epp)  in libfdisk_reset()  argument
251 	fdisk_free_ld_nodes(epp);  in libfdisk_reset()
252 	epp->first_ebr_is_null = 1;  in libfdisk_reset()
253 	epp->corrupt_logical_drives = 0;  in libfdisk_reset()
254 	epp->logical_drive_count = 0;  in libfdisk_reset()
255 	epp->invalid_bb_sig[0] = 0;  in libfdisk_reset()
256 	if (epp->op_flag & FDISK_READ_DISK) {  in libfdisk_reset()
257 		rval = fdisk_read_extpart(epp);  in libfdisk_reset()
263 libfdisk_fini(ext_part_t **epp)  in libfdisk_fini()  argument
265 	if (*epp == NULL)  in libfdisk_fini()
268 	fdisk_free_ld_nodes(*epp);  in libfdisk_fini()
269 	(void) close((*epp)->dev_fd);  in libfdisk_fini()
270 	free(*epp);  in libfdisk_fini()
271 	*epp = NULL;  in libfdisk_fini()
275 fdisk_is_linux_swap(ext_part_t *epp, uint32_t part_start, uint64_t *lsm_offset)  in fdisk_is_linux_swap()  argument
282 	int		sec_sz = fdisk_get_disk_geom(epp, PHYSGEOM, SSIZE);  in fdisk_is_linux_swap()
303 	if (lseek(epp->dev_fd, label_offset, SEEK_SET) < 0) {  in fdisk_is_linux_swap()
308 	if ((rval = read(epp->dev_fd, buf, sec_sz)) < sec_sz) {  in fdisk_is_linux_swap()
329 		if (lseek(epp->dev_fd, seek_offset, SEEK_SET) < 0) {  in fdisk_is_linux_swap()
334 		if ((rval = read(epp->dev_fd, buf, sec_sz)) < sec_sz) {  in fdisk_is_linux_swap()
357 fdisk_get_solaris_part(ext_part_t *epp, int *pnum, uint32_t *begsec,  in fdisk_get_solaris_part()  argument
360 	logical_drive_t *temp = fdisk_get_ld_head(epp);  in fdisk_get_solaris_part()
369 			    (fdisk_is_linux_swap(epp, part_start,  in fdisk_get_solaris_part()
383 fdisk_get_part_info(ext_part_t *epp, int pnum, uchar_t *sysid, uint32_t *begsec,  in fdisk_get_part_info()  argument
386 	logical_drive_t *temp = fdisk_get_ld_head(epp);  in fdisk_get_part_info()
425 fdisk_free_ld_nodes(ext_part_t *epp)  in fdisk_free_ld_nodes()  argument
429 	for (temp = epp->ld_head; temp != NULL; ) {  in fdisk_free_ld_nodes()
430 		temp = epp->ld_head -> next;  in fdisk_free_ld_nodes()
431 		free(epp->ld_head);  in fdisk_free_ld_nodes()
432 		epp->ld_head = temp;  in fdisk_free_ld_nodes()
434 	epp->ld_head = NULL;  in fdisk_free_ld_nodes()
435 	epp->sorted_ld_head = NULL;  in fdisk_free_ld_nodes()
442 fdisk_ext_find_first_free_sec(ext_part_t *epp, uint32_t *first_free_sec)  in fdisk_ext_find_first_free_sec()  argument
447 	*first_free_sec = epp->ext_beg_sec;  in fdisk_ext_find_first_free_sec()
449 	if (epp->ld_head == NULL) {  in fdisk_ext_find_first_free_sec()
461 	if (epp->ld_head->abs_secnum > epp->ext_beg_sec +  in fdisk_ext_find_first_free_sec()
466 	while (*first_free_sec <= epp->ext_end_sec) {  in fdisk_ext_find_first_free_sec()
467 		for (temp = epp->sorted_ld_head; temp != NULL; temp =  in fdisk_ext_find_first_free_sec()
475 		last_free_sec = fdisk_ext_find_last_free_sec(epp,  in fdisk_ext_find_first_free_sec()
490 	if (*first_free_sec > epp->ext_end_sec) {  in fdisk_ext_find_first_free_sec()
502 fdisk_ext_find_last_free_sec(ext_part_t *epp, uint32_t begsec)  in fdisk_ext_find_last_free_sec()  argument
507 	last_free_sec = epp->ext_end_sec;  in fdisk_ext_find_last_free_sec()
508 	for (temp = epp->sorted_ld_head; temp != NULL;  in fdisk_ext_find_last_free_sec()
523 fdisk_ext_place_in_sorted_list(ext_part_t *epp, logical_drive_t *newld)  in fdisk_ext_place_in_sorted_list()  argument
527 	if (newld->abs_secnum < epp->sorted_ld_head->abs_secnum) {  in fdisk_ext_place_in_sorted_list()
528 		newld->sorted_next = epp->sorted_ld_head;  in fdisk_ext_place_in_sorted_list()
529 		epp->sorted_ld_head = newld;  in fdisk_ext_place_in_sorted_list()
532 	pre = cur = epp->sorted_ld_head;  in fdisk_ext_place_in_sorted_list()
545 fdisk_ext_remove_from_sorted_list(ext_part_t *epp, logical_drive_t *delld)  in fdisk_ext_remove_from_sorted_list()  argument
549 	if (delld == epp->sorted_ld_head) {  in fdisk_ext_remove_from_sorted_list()
550 		epp->sorted_ld_head = delld->sorted_next;  in fdisk_ext_remove_from_sorted_list()
554 	pre = cur = epp->sorted_ld_head;  in fdisk_ext_remove_from_sorted_list()
567 fdisk_ext_overlapping_parts(ext_part_t *epp, uint32_t begsec, uint32_t endsec)  in fdisk_ext_overlapping_parts()  argument
572 	for (temp = epp->ld_head; temp != NULL; temp = temp->next) {  in fdisk_ext_overlapping_parts()
585 	last_free_sec = fdisk_ext_find_last_free_sec(epp, begsec);  in fdisk_ext_overlapping_parts()
597 fdisk_validate_logical_drive(ext_part_t *epp, uint32_t begsec,  in fdisk_validate_logical_drive()  argument
603 	if (begsec < epp->ext_beg_sec ||  in fdisk_validate_logical_drive()
604 	    begsec > epp->ext_end_sec ||  in fdisk_validate_logical_drive()
605 	    endsec < epp->ext_beg_sec ||  in fdisk_validate_logical_drive()
606 	    endsec > epp->ext_end_sec ||  in fdisk_validate_logical_drive()
608 	    fdisk_ext_overlapping_parts(epp, begsec, endsec)) {  in fdisk_validate_logical_drive()
620 fdisk_read_extpart(ext_part_t *epp)  in fdisk_read_extpart()  argument
627 	int sectsize = epp->disk_geom.sectsize;  in fdisk_read_extpart()
632 	fdp = epp->mtable;  in fdisk_read_extpart()
639 			epp->ext_beg_sec = secnum;  in fdisk_read_extpart()
640 			epp->ext_end_sec = secnum + LE_32(fdp->numsect) - 1;  in fdisk_read_extpart()
641 			epp->ext_beg_cyl =  in fdisk_read_extpart()
642 			    FDISK_SECT_TO_CYL(epp, epp->ext_beg_sec);  in fdisk_read_extpart()
643 			epp->ext_end_cyl =  in fdisk_read_extpart()
644 			    FDISK_SECT_TO_CYL(epp, epp->ext_end_sec);  in fdisk_read_extpart()
648 				if (lseek(epp->dev_fd, offset, SEEK_SET) < 0) {  in fdisk_read_extpart()
651 				if (read(epp->dev_fd, ext_buf, sectsize) <  in fdisk_read_extpart()
659 				    (epp->logical_drive_count == 0)) {  in fdisk_read_extpart()
661 					epp->first_ebr_is_null = 0;  in fdisk_read_extpart()
670 				if (epp->ld_head == NULL) {  in fdisk_read_extpart()
681 				    FDISK_SECT_TO_CYL(epp, temp->abs_secnum);  in fdisk_read_extpart()
682 				temp->endcyl = FDISK_SECT_TO_CYL(epp,  in fdisk_read_extpart()
690 				if (fdisk_validate_logical_drive(epp,  in fdisk_read_extpart()
693 					epp->corrupt_logical_drives = 1;  in fdisk_read_extpart()
702 				if (epp->ld_head == NULL) {  in fdisk_read_extpart()
703 					epp->ld_head = temp;  in fdisk_read_extpart()
704 					epp->sorted_ld_head = temp;  in fdisk_read_extpart()
706 					epp->logical_drive_count = 1;  in fdisk_read_extpart()
710 					fdisk_ext_place_in_sorted_list(epp,  in fdisk_read_extpart()
712 					epp->logical_drive_count++;  in fdisk_read_extpart()
718 					epp->invalid_bb_sig[j++] = lpart;  in fdisk_read_extpart()
737 fdisk_init_master_part_table(ext_part_t *epp)  in fdisk_init_master_part_table()  argument
740 	if ((epp->mtable = fdisk_alloc_part_table()) == NULL) {  in fdisk_init_master_part_table()
743 	rval = fdisk_read_master_part_table(epp);  in fdisk_init_master_part_table()
769 fdisk_read_master_part_table(ext_part_t *epp)  in fdisk_read_master_part_table()  argument
776 	if (lseek(epp->dev_fd, 0, SEEK_SET) < 0) {  in fdisk_read_master_part_table()
779 	if (read(epp->dev_fd, buf, sectsize) < sectsize) {  in fdisk_read_master_part_table()
785 		bzero(epp->mtable, cpcnt);  in fdisk_read_master_part_table()
789 	bcopy(&buf[FDISK_PART_TABLE_START], epp->mtable, cpcnt);  in fdisk_read_master_part_table()
795 fdisk_ext_part_exists(ext_part_t *epp)  in fdisk_ext_part_exists()  argument
798 	struct ipart *part_table = epp->mtable;  in fdisk_ext_part_exists()
819 fdisk_ext_validate_part_start(ext_part_t *epp, uint32_t begcyl,  in fdisk_ext_validate_part_start()  argument
827 	rval = fdisk_ext_find_first_free_sec(epp, &first_free_sec);  in fdisk_ext_validate_part_start()
832 	first_free_cyl = FDISK_SECT_TO_CYL(epp, first_free_sec);  in fdisk_ext_validate_part_start()
839 	if ((begcyl < epp->ext_beg_cyl) || (begcyl > epp->ext_end_cyl)) {  in fdisk_ext_validate_part_start()
843 	for (temp = epp->ld_head; temp != NULL; temp = temp->next) {  in fdisk_ext_validate_part_start()
849 	*begsec = FDISK_CYL_TO_SECT(epp, begcyl);  in fdisk_ext_validate_part_start()
855 fdisk_change_logical_drive_id(ext_part_t *epp, int pno, uchar_t partid)  in fdisk_change_logical_drive_id()  argument
861 	for (temp = epp->ld_head; i < pno; temp = temp->next, i++)  in fdisk_change_logical_drive_id()
886 fdisk_add_logical_drive(ext_part_t *epp, uint32_t begsec, uint32_t endsec,  in fdisk_add_logical_drive()  argument
896 	temp->begcyl = FDISK_SECT_TO_CYL(epp, begsec);  in fdisk_add_logical_drive()
897 	temp->endcyl = FDISK_SECT_TO_CYL(epp, endsec);  in fdisk_add_logical_drive()
906 	fdisk_set_CHS_values(epp, part);  in fdisk_add_logical_drive()
908 	if (epp->ld_head == NULL) {  in fdisk_add_logical_drive()
909 		epp->corrupt_logical_drives = 0;  in fdisk_add_logical_drive()
910 		if (begsec != epp->ext_beg_sec) {  in fdisk_add_logical_drive()
911 			part->relsect = LE_32(begsec - epp->ext_beg_sec);  in fdisk_add_logical_drive()
917 				temp->abs_secnum = epp->ext_beg_sec;  in fdisk_add_logical_drive()
921 		epp->first_ebr_is_null = 0;  in fdisk_add_logical_drive()
922 		epp->ld_head = temp;  in fdisk_add_logical_drive()
923 		epp->sorted_ld_head = temp;  in fdisk_add_logical_drive()
924 		epp->logical_drive_count = 1;  in fdisk_add_logical_drive()
928 	if (temp->abs_secnum == epp->ext_beg_sec) {  in fdisk_add_logical_drive()
934 	for (pre = cur = epp->ld_head; cur != NULL; pre = cur, cur = cur->next)  in fdisk_add_logical_drive()
940 	part->relsect	= LE_32(temp->abs_secnum - epp->ext_beg_sec);  in fdisk_add_logical_drive()
943 	fdisk_set_CHS_values(epp, part);  in fdisk_add_logical_drive()
947 	epp->logical_drive_count++;  in fdisk_add_logical_drive()
948 	fdisk_ext_place_in_sorted_list(epp, temp);  in fdisk_add_logical_drive()
973 fdisk_delete_logical_drive(ext_part_t *epp, int pno)  in fdisk_delete_logical_drive()  argument
979 	pre = cur = epp->ld_head;  in fdisk_delete_logical_drive()
985 	if (cur == epp->ld_head) {  in fdisk_delete_logical_drive()
990 			epp->ld_head = NULL;  in fdisk_delete_logical_drive()
991 			epp->sorted_ld_head = NULL;  in fdisk_delete_logical_drive()
992 			epp->logical_drive_count = 0;  in fdisk_delete_logical_drive()
993 			epp->first_ebr_is_null = 1;  in fdisk_delete_logical_drive()
995 			pre = epp->ld_head;  in fdisk_delete_logical_drive()
1001 			if ((pre->abs_secnum != epp->ext_beg_sec) &&  in fdisk_delete_logical_drive()
1002 			    (cur->abs_secnum == epp->ext_beg_sec + 1)) {  in fdisk_delete_logical_drive()
1004 				cur->abs_secnum = epp->ext_beg_sec;  in fdisk_delete_logical_drive()
1007 				    epp->ext_beg_sec;  in fdisk_delete_logical_drive()
1010 			fdisk_ext_remove_from_sorted_list(epp, pre);  in fdisk_delete_logical_drive()
1011 			epp->ld_head = cur;  in fdisk_delete_logical_drive()
1012 			epp->ld_head->modified = FDISK_MAJOR_WRITE;  in fdisk_delete_logical_drive()
1013 			epp->logical_drive_count--;  in fdisk_delete_logical_drive()
1019 		fdisk_ext_remove_from_sorted_list(epp, cur);  in fdisk_delete_logical_drive()
1022 		epp->logical_drive_count--;  in fdisk_delete_logical_drive()
1027 fdisk_set_CHS_values(ext_part_t *epp, struct ipart *part)  in fdisk_set_CHS_values()  argument
1030 	uint32_t	sectors = epp->disk_geom.virt_sec;  in fdisk_set_CHS_values()
1031 	uint32_t	heads = epp->disk_geom.virt_heads;  in fdisk_set_CHS_values()
1033 	lba = LE_32(part->relsect) + epp->ext_beg_sec;  in fdisk_set_CHS_values()
1072 read_modify_write_ebr(ext_part_t *epp, unsigned char *ebr_buf,  in read_modify_write_ebr()  argument
1076 	int sectsize = epp->disk_geom.sectsize;  in read_modify_write_ebr()
1080 	if (lseek(epp->dev_fd, seek_offset, SEEK_SET) < 0) {  in read_modify_write_ebr()
1083 	if (read(epp->dev_fd, ebr_buf, sectsize) < sectsize) {  in read_modify_write_ebr()
1094 	if (lseek(epp->dev_fd, seek_offset, SEEK_SET) < 0) {  in read_modify_write_ebr()
1097 	if (write(epp->dev_fd, ebr_buf, sectsize) < sectsize) {  in read_modify_write_ebr()
1108 fdisk_mounted_logical_drives(ext_part_t *epp)  in fdisk_mounted_logical_drives()  argument
1123 	if (strstr(epp->device_name, DEFAULT_PATH_PREFIX) == NULL) {  in fdisk_mounted_logical_drives()
1131 	canonp = epp->device_name + strlen(DEFAULT_PATH_PREFIX);  in fdisk_mounted_logical_drives()
1140 	if (fdisk_get_solaris_part(epp, &part, &begsec, &numsec) ==  in fdisk_mounted_logical_drives()
1182 fdisk_commit_ext_part(ext_part_t *epp)  in fdisk_commit_ext_part()  argument
1187 	int sectsize = epp->disk_geom.sectsize;  in fdisk_commit_ext_part()
1197 	if (epp->first_ebr_is_null) {  in fdisk_commit_ext_part()
1210 	for (temp = epp->ld_head; temp != NULL; temp = temp->next) {  in fdisk_commit_ext_part()
1211 		if (temp == epp->ld_head) {  in fdisk_commit_ext_part()
1212 			abs_secnum = epp->ext_beg_sec;  in fdisk_commit_ext_part()
1217 			rval = read_modify_write_ebr(epp, ebr_buf,  in fdisk_commit_ext_part()
1232 	if ((rval = fdisk_mounted_logical_drives(epp)) != 0) {  in fdisk_commit_ext_part()
1242 	if (epp->first_ebr_is_null) {  in fdisk_commit_ext_part()
1243 		rval = read_modify_write_ebr(epp, ebr_buf, NULL,  in fdisk_commit_ext_part()
1244 		    epp->ext_beg_sec);  in fdisk_commit_ext_part()
1251 		if (epp->logical_drive_count == 0) {  in fdisk_commit_ext_part()
1269 		for (temp = epp->ld_head, ld_count = 0; temp != NULL;  in fdisk_commit_ext_part()
1272 				abs_secnum = epp->ext_beg_sec;  in fdisk_commit_ext_part()
1277 				rval = read_modify_write_ebr(epp, ebr_buf,  in fdisk_commit_ext_part()
1307 	rval = ioctl(epp->dev_fd, DKIOCSETEXTPART);  in fdisk_commit_ext_part()
1324 fdisk_init_ext_part(ext_part_t *epp, uint32_t rsect, uint32_t nsect)  in fdisk_init_ext_part()  argument
1326 	epp->first_ebr_is_null = 1;  in fdisk_init_ext_part()
1327 	epp->corrupt_logical_drives = 0;  in fdisk_init_ext_part()
1328 	epp->logical_drive_count = 0;  in fdisk_init_ext_part()
1329 	epp->ext_beg_sec = rsect;  in fdisk_init_ext_part()
1330 	epp->ext_end_sec = rsect + nsect - 1;  in fdisk_init_ext_part()
1331 	epp->ext_beg_cyl = FDISK_SECT_TO_CYL(epp, epp->ext_beg_sec);  in fdisk_init_ext_part()
1332 	epp->ext_end_cyl = FDISK_SECT_TO_CYL(epp, epp->ext_end_sec);  in fdisk_init_ext_part()
1333 	epp->invalid_bb_sig[0] = 0;  in fdisk_init_ext_part()
1338 fdisk_delete_ext_part(ext_part_t *epp)  in fdisk_delete_ext_part()  argument
1340 	epp->first_ebr_is_null = 1;  in fdisk_delete_ext_part()
1342 	fdisk_free_ld_nodes(epp);  in fdisk_delete_ext_part()
1343 	epp->logical_drive_count = 0;  in fdisk_delete_ext_part()
1344 	epp->corrupt_logical_drives = 0;  in fdisk_delete_ext_part()
1345 	epp->invalid_bb_sig[0] = 0;  in fdisk_delete_ext_part()
1350 fdisk_get_disk_geom(ext_part_t *epp, int type, int what)  in fdisk_get_disk_geom()  argument
1356 					return ((int)epp->disk_geom.phys_cyl);  in fdisk_get_disk_geom()
1358 					return ((int)epp->disk_geom.phys_heads);  in fdisk_get_disk_geom()
1360 					return ((int)epp->disk_geom.phys_sec);  in fdisk_get_disk_geom()
1362 					return ((int)epp->disk_geom.sectsize);  in fdisk_get_disk_geom()
1364 					return ((int)epp->disk_geom.alt_cyl);  in fdisk_get_disk_geom()
1371 					return ((int)epp->disk_geom.virt_cyl);  in fdisk_get_disk_geom()
1373 					return ((int)epp->disk_geom.virt_heads);  in fdisk_get_disk_geom()
1375 					return ((int)epp->disk_geom.virt_sec);  in fdisk_get_disk_geom()
1377 					return ((int)epp->disk_geom.sectsize);  in fdisk_get_disk_geom()
1379 					return ((int)epp->disk_geom.alt_cyl);  in fdisk_get_disk_geom()
1389 fdisk_invalid_bb_sig(ext_part_t *epp, uchar_t **bbsig_arr)  in fdisk_invalid_bb_sig()  argument
1391 	*bbsig_arr = &(epp->invalid_bb_sig[0]);  in fdisk_invalid_bb_sig()
1392 	return (epp->invalid_bb_sig[0]);  in fdisk_invalid_bb_sig()