50 static void fdisk_free_ld_nodes(ext_part_t *epp);
51 static void fdisk_ext_place_in_sorted_list(ext_part_t *epp,
53 static void fdisk_ext_remove_from_sorted_list(ext_part_t *epp,
55 static int fdisk_ext_overlapping_parts(ext_part_t *epp, uint32_t begsec,
57 static int fdisk_read_extpart(ext_part_t *epp);
58 static void fdisk_set_CHS_values(ext_part_t *epp, struct ipart *part);
59 static int fdisk_init_master_part_table(ext_part_t *epp);
61 static int fdisk_read_master_part_table(ext_part_t *epp);
64 fdisk_init_disk_geom(ext_part_t *epp)  in fdisk_init_disk_geom()  argument
72 	if (ioctl(epp->dev_fd, DKIOCG_VIRTGEOM, &disk_geom)) {  in fdisk_init_disk_geom()
82 			epp->disk_geom.virt_cyl = epp->disk_geom.virt_heads =  in fdisk_init_disk_geom()
83 			    epp->disk_geom.virt_sec = 0;  in fdisk_init_disk_geom()
89 		epp->disk_geom.virt_cyl = disk_geom.dkg_ncyl;  in fdisk_init_disk_geom()
90 		epp->disk_geom.virt_heads = disk_geom.dkg_nhead;  in fdisk_init_disk_geom()
91 		epp->disk_geom.virt_sec = disk_geom.dkg_nsect;  in fdisk_init_disk_geom()
95 	if (ioctl(epp->dev_fd, DKIOCG_PHYGEOM, &disk_geom)) {  in fdisk_init_disk_geom()
108 		if (ioctl(epp->dev_fd, DKIOCGGEOM, &disk_geom)) {  in fdisk_init_disk_geom()
113 	epp->disk_geom.phys_cyl = disk_geom.dkg_ncyl;  in fdisk_init_disk_geom()
114 	epp->disk_geom.phys_heads = disk_geom.dkg_nhead;  in fdisk_init_disk_geom()
115 	epp->disk_geom.phys_sec = disk_geom.dkg_nsect;  in fdisk_init_disk_geom()
116 	epp->disk_geom.alt_cyl = disk_geom.dkg_acyl;  in fdisk_init_disk_geom()
122 	if (ioctl(epp->dev_fd, DKIOCGMEDIAINFO, (caddr_t)&disk_info) < 0) {  in fdisk_init_disk_geom()
124 		epp->disk_geom.sectsize = 512;  in fdisk_init_disk_geom()
126 		epp->disk_geom.sectsize = ((disk_info.dki_lbsize) ?  in fdisk_init_disk_geom()
139 		epp->disk_geom.virt_sec	= MAX_SECT;  in fdisk_init_disk_geom()
140 		epp->disk_geom.virt_heads	= MAX_HEAD + 1;  in fdisk_init_disk_geom()
141 		epp->disk_geom.virt_cyl	= (epp->disk_geom.phys_cyl *  in fdisk_init_disk_geom()
142 		    epp->disk_geom.phys_heads * epp->disk_geom.phys_sec) /  in fdisk_init_disk_geom()
143 		    (epp->disk_geom.virt_sec * epp->disk_geom.virt_heads);  in fdisk_init_disk_geom()
153 libfdisk_init(ext_part_t **epp, char *devstr, struct ipart *parttab, int opflag)  in libfdisk_init()  argument
161 		*epp = NULL;  in libfdisk_init()
230 	*epp = temp;  in libfdisk_init()
237 		rval = fdisk_read_extpart(*epp);  in libfdisk_init()
242 	*epp = NULL;  in libfdisk_init()
248 libfdisk_reset(ext_part_t *epp)  in libfdisk_reset()  argument
252 	fdisk_free_ld_nodes(epp);  in libfdisk_reset()
253 	epp->first_ebr_is_null = 1;  in libfdisk_reset()
254 	epp->corrupt_logical_drives = 0;  in libfdisk_reset()
255 	epp->logical_drive_count = 0;  in libfdisk_reset()
256 	epp->invalid_bb_sig[0] = 0;  in libfdisk_reset()
257 	if (epp->op_flag & FDISK_READ_DISK) {  in libfdisk_reset()
258 		rval = fdisk_read_extpart(epp);  in libfdisk_reset()
264 libfdisk_fini(ext_part_t **epp)  in libfdisk_fini()  argument
266 	if (*epp == NULL)  in libfdisk_fini()
269 	fdisk_free_ld_nodes(*epp);  in libfdisk_fini()
270 	(void) close((*epp)->dev_fd);  in libfdisk_fini()
271 	free(*epp);  in libfdisk_fini()
272 	*epp = NULL;  in libfdisk_fini()
276 fdisk_is_linux_swap(ext_part_t *epp, uint32_t part_start, uint64_t *lsm_offset)  in fdisk_is_linux_swap()  argument
283 	int		sec_sz = fdisk_get_disk_geom(epp, PHYSGEOM, SSIZE);  in fdisk_is_linux_swap()
304 	if (lseek(epp->dev_fd, label_offset, SEEK_SET) < 0) {  in fdisk_is_linux_swap()
309 	if ((rval = read(epp->dev_fd, buf, sec_sz)) < sec_sz) {  in fdisk_is_linux_swap()
330 		if (lseek(epp->dev_fd, seek_offset, SEEK_SET) < 0) {  in fdisk_is_linux_swap()
335 		if ((rval = read(epp->dev_fd, buf, sec_sz)) < sec_sz) {  in fdisk_is_linux_swap()
358 fdisk_get_solaris_part(ext_part_t *epp, int *pnum, uint32_t *begsec,  in fdisk_get_solaris_part()  argument
361 	logical_drive_t *temp = fdisk_get_ld_head(epp);  in fdisk_get_solaris_part()
370 			    (fdisk_is_linux_swap(epp, part_start,  in fdisk_get_solaris_part()
384 fdisk_get_part_info(ext_part_t *epp, int pnum, uchar_t *sysid, uint32_t *begsec,  in fdisk_get_part_info()  argument
387 	logical_drive_t *temp = fdisk_get_ld_head(epp);  in fdisk_get_part_info()
426 fdisk_free_ld_nodes(ext_part_t *epp)  in fdisk_free_ld_nodes()  argument
430 	for (temp = epp->ld_head; temp != NULL; ) {  in fdisk_free_ld_nodes()
431 		temp = epp->ld_head -> next;  in fdisk_free_ld_nodes()
432 		free(epp->ld_head);  in fdisk_free_ld_nodes()
433 		epp->ld_head = temp;  in fdisk_free_ld_nodes()
435 	epp->ld_head = NULL;  in fdisk_free_ld_nodes()
436 	epp->sorted_ld_head = NULL;  in fdisk_free_ld_nodes()
443 fdisk_ext_find_first_free_sec(ext_part_t *epp, uint32_t *first_free_sec)  in fdisk_ext_find_first_free_sec()  argument
448 	*first_free_sec = epp->ext_beg_sec;  in fdisk_ext_find_first_free_sec()
450 	if (epp->ld_head == NULL) {  in fdisk_ext_find_first_free_sec()
462 	if (epp->ld_head->abs_secnum > epp->ext_beg_sec +  in fdisk_ext_find_first_free_sec()
467 	while (*first_free_sec <= epp->ext_end_sec) {  in fdisk_ext_find_first_free_sec()
468 		for (temp = epp->sorted_ld_head; temp != NULL; temp =  in fdisk_ext_find_first_free_sec()
476 		last_free_sec = fdisk_ext_find_last_free_sec(epp,  in fdisk_ext_find_first_free_sec()
491 	if (*first_free_sec > epp->ext_end_sec) {  in fdisk_ext_find_first_free_sec()
503 fdisk_ext_find_last_free_sec(ext_part_t *epp, uint32_t begsec)  in fdisk_ext_find_last_free_sec()  argument
508 	last_free_sec = epp->ext_end_sec;  in fdisk_ext_find_last_free_sec()
509 	for (temp = epp->sorted_ld_head; temp != NULL;  in fdisk_ext_find_last_free_sec()
524 fdisk_ext_place_in_sorted_list(ext_part_t *epp, logical_drive_t *newld)  in fdisk_ext_place_in_sorted_list()  argument
528 	if (newld->abs_secnum < epp->sorted_ld_head->abs_secnum) {  in fdisk_ext_place_in_sorted_list()
529 		newld->sorted_next = epp->sorted_ld_head;  in fdisk_ext_place_in_sorted_list()
530 		epp->sorted_ld_head = newld;  in fdisk_ext_place_in_sorted_list()
533 	pre = cur = epp->sorted_ld_head;  in fdisk_ext_place_in_sorted_list()
546 fdisk_ext_remove_from_sorted_list(ext_part_t *epp, logical_drive_t *delld)  in fdisk_ext_remove_from_sorted_list()  argument
550 	if (delld == epp->sorted_ld_head) {  in fdisk_ext_remove_from_sorted_list()
551 		epp->sorted_ld_head = delld->sorted_next;  in fdisk_ext_remove_from_sorted_list()
555 	pre = cur = epp->sorted_ld_head;  in fdisk_ext_remove_from_sorted_list()
568 fdisk_ext_overlapping_parts(ext_part_t *epp, uint32_t begsec, uint32_t endsec)  in fdisk_ext_overlapping_parts()  argument
573 	for (temp = epp->ld_head; temp != NULL; temp = temp->next) {  in fdisk_ext_overlapping_parts()
586 	last_free_sec = fdisk_ext_find_last_free_sec(epp, begsec);  in fdisk_ext_overlapping_parts()
598 fdisk_validate_logical_drive(ext_part_t *epp, uint32_t begsec,  in fdisk_validate_logical_drive()  argument
604 	if (begsec < epp->ext_beg_sec ||  in fdisk_validate_logical_drive()
605 	    begsec > epp->ext_end_sec ||  in fdisk_validate_logical_drive()
606 	    endsec < epp->ext_beg_sec ||  in fdisk_validate_logical_drive()
607 	    endsec > epp->ext_end_sec ||  in fdisk_validate_logical_drive()
609 	    fdisk_ext_overlapping_parts(epp, begsec, endsec)) {  in fdisk_validate_logical_drive()
621 fdisk_read_extpart(ext_part_t *epp)  in fdisk_read_extpart()  argument
628 	int sectsize = epp->disk_geom.sectsize;  in fdisk_read_extpart()
633 	fdp = epp->mtable;  in fdisk_read_extpart()
640 			epp->ext_beg_sec = secnum;  in fdisk_read_extpart()
641 			epp->ext_end_sec = secnum + LE_32(fdp->numsect) - 1;  in fdisk_read_extpart()
642 			epp->ext_beg_cyl =  in fdisk_read_extpart()
643 			    FDISK_SECT_TO_CYL(epp, epp->ext_beg_sec);  in fdisk_read_extpart()
644 			epp->ext_end_cyl =  in fdisk_read_extpart()
645 			    FDISK_SECT_TO_CYL(epp, epp->ext_end_sec);  in fdisk_read_extpart()
649 				if (lseek(epp->dev_fd, offset, SEEK_SET) < 0) {  in fdisk_read_extpart()
652 				if (read(epp->dev_fd, ext_buf, sectsize) <  in fdisk_read_extpart()
660 				    (epp->logical_drive_count == 0)) {  in fdisk_read_extpart()
662 					epp->first_ebr_is_null = 0;  in fdisk_read_extpart()
671 				if (epp->ld_head == NULL) {  in fdisk_read_extpart()
682 				    FDISK_SECT_TO_CYL(epp, temp->abs_secnum);  in fdisk_read_extpart()
683 				temp->endcyl = FDISK_SECT_TO_CYL(epp,  in fdisk_read_extpart()
691 				if (fdisk_validate_logical_drive(epp,  in fdisk_read_extpart()
694 					epp->corrupt_logical_drives = 1;  in fdisk_read_extpart()
703 				if (epp->ld_head == NULL) {  in fdisk_read_extpart()
704 					epp->ld_head = temp;  in fdisk_read_extpart()
705 					epp->sorted_ld_head = temp;  in fdisk_read_extpart()
707 					epp->logical_drive_count = 1;  in fdisk_read_extpart()
711 					fdisk_ext_place_in_sorted_list(epp,  in fdisk_read_extpart()
713 					epp->logical_drive_count++;  in fdisk_read_extpart()
719 					epp->invalid_bb_sig[j++] = lpart;  in fdisk_read_extpart()
738 fdisk_init_master_part_table(ext_part_t *epp)  in fdisk_init_master_part_table()  argument
741 	if ((epp->mtable = fdisk_alloc_part_table()) == NULL) {  in fdisk_init_master_part_table()
744 	rval = fdisk_read_master_part_table(epp);  in fdisk_init_master_part_table()
770 fdisk_read_master_part_table(ext_part_t *epp)  in fdisk_read_master_part_table()  argument
779 	if (lseek(epp->dev_fd, 0, SEEK_SET) < 0) {  in fdisk_read_master_part_table()
782 	if (ioctl(epp->dev_fd, DKIOCGMEDIAINFOEXT, &dkmp_ext) < 0) {  in fdisk_read_master_part_table()
783 		if (ioctl(epp->dev_fd, DKIOCGMEDIAINFO, &dkmp) < 0) {  in fdisk_read_master_part_table()
797 	if (read(epp->dev_fd, buf, sectsize) < sectsize) {  in fdisk_read_master_part_table()
804 		bzero(epp->mtable, cpcnt);  in fdisk_read_master_part_table()
809 	bcopy(&buf[FDISK_PART_TABLE_START], epp->mtable, cpcnt);  in fdisk_read_master_part_table()
816 fdisk_ext_part_exists(ext_part_t *epp)  in fdisk_ext_part_exists()  argument
819 	struct ipart *part_table = epp->mtable;  in fdisk_ext_part_exists()
840 fdisk_ext_validate_part_start(ext_part_t *epp, uint32_t begcyl,  in fdisk_ext_validate_part_start()  argument
848 	rval = fdisk_ext_find_first_free_sec(epp, &first_free_sec);  in fdisk_ext_validate_part_start()
853 	first_free_cyl = FDISK_SECT_TO_CYL(epp, first_free_sec);  in fdisk_ext_validate_part_start()
860 	if ((begcyl < epp->ext_beg_cyl) || (begcyl > epp->ext_end_cyl)) {  in fdisk_ext_validate_part_start()
864 	for (temp = epp->ld_head; temp != NULL; temp = temp->next) {  in fdisk_ext_validate_part_start()
870 	*begsec = FDISK_CYL_TO_SECT(epp, begcyl);  in fdisk_ext_validate_part_start()
876 fdisk_change_logical_drive_id(ext_part_t *epp, int pno, uchar_t partid)  in fdisk_change_logical_drive_id()  argument
882 	for (temp = epp->ld_head; i < pno; temp = temp->next, i++)  in fdisk_change_logical_drive_id()
907 fdisk_add_logical_drive(ext_part_t *epp, uint32_t begsec, uint32_t endsec,  in fdisk_add_logical_drive()  argument
917 	temp->begcyl = FDISK_SECT_TO_CYL(epp, begsec);  in fdisk_add_logical_drive()
918 	temp->endcyl = FDISK_SECT_TO_CYL(epp, endsec);  in fdisk_add_logical_drive()
927 	fdisk_set_CHS_values(epp, part);  in fdisk_add_logical_drive()
929 	if (epp->ld_head == NULL) {  in fdisk_add_logical_drive()
930 		epp->corrupt_logical_drives = 0;  in fdisk_add_logical_drive()
931 		if (begsec != epp->ext_beg_sec) {  in fdisk_add_logical_drive()
932 			part->relsect = LE_32(begsec - epp->ext_beg_sec);  in fdisk_add_logical_drive()
938 				temp->abs_secnum = epp->ext_beg_sec;  in fdisk_add_logical_drive()
942 		epp->first_ebr_is_null = 0;  in fdisk_add_logical_drive()
943 		epp->ld_head = temp;  in fdisk_add_logical_drive()
944 		epp->sorted_ld_head = temp;  in fdisk_add_logical_drive()
945 		epp->logical_drive_count = 1;  in fdisk_add_logical_drive()
949 	if (temp->abs_secnum == epp->ext_beg_sec) {  in fdisk_add_logical_drive()
955 	for (pre = cur = epp->ld_head; cur != NULL; pre = cur, cur = cur->next)  in fdisk_add_logical_drive()
961 	part->relsect	= LE_32(temp->abs_secnum - epp->ext_beg_sec);  in fdisk_add_logical_drive()
964 	fdisk_set_CHS_values(epp, part);  in fdisk_add_logical_drive()
968 	epp->logical_drive_count++;  in fdisk_add_logical_drive()
969 	fdisk_ext_place_in_sorted_list(epp, temp);  in fdisk_add_logical_drive()
994 fdisk_delete_logical_drive(ext_part_t *epp, int pno)  in fdisk_delete_logical_drive()  argument
1000 	pre = cur = epp->ld_head;  in fdisk_delete_logical_drive()
1006 	if (cur == epp->ld_head) {  in fdisk_delete_logical_drive()
1011 			epp->ld_head = NULL;  in fdisk_delete_logical_drive()
1012 			epp->sorted_ld_head = NULL;  in fdisk_delete_logical_drive()
1013 			epp->logical_drive_count = 0;  in fdisk_delete_logical_drive()
1014 			epp->first_ebr_is_null = 1;  in fdisk_delete_logical_drive()
1016 			pre = epp->ld_head;  in fdisk_delete_logical_drive()
1022 			if ((pre->abs_secnum != epp->ext_beg_sec) &&  in fdisk_delete_logical_drive()
1023 			    (cur->abs_secnum == epp->ext_beg_sec + 1)) {  in fdisk_delete_logical_drive()
1025 				cur->abs_secnum = epp->ext_beg_sec;  in fdisk_delete_logical_drive()
1028 				    epp->ext_beg_sec;  in fdisk_delete_logical_drive()
1031 			fdisk_ext_remove_from_sorted_list(epp, pre);  in fdisk_delete_logical_drive()
1032 			epp->ld_head = cur;  in fdisk_delete_logical_drive()
1033 			epp->ld_head->modified = FDISK_MAJOR_WRITE;  in fdisk_delete_logical_drive()
1034 			epp->logical_drive_count--;  in fdisk_delete_logical_drive()
1040 		fdisk_ext_remove_from_sorted_list(epp, cur);  in fdisk_delete_logical_drive()
1043 		epp->logical_drive_count--;  in fdisk_delete_logical_drive()
1048 fdisk_set_CHS_values(ext_part_t *epp, struct ipart *part)  in fdisk_set_CHS_values()  argument
1051 	uint32_t	sectors = epp->disk_geom.virt_sec;  in fdisk_set_CHS_values()
1052 	uint32_t	heads = epp->disk_geom.virt_heads;  in fdisk_set_CHS_values()
1054 	lba = LE_32(part->relsect) + epp->ext_beg_sec;  in fdisk_set_CHS_values()
1093 read_modify_write_ebr(ext_part_t *epp, unsigned char *ebr_buf,  in read_modify_write_ebr()  argument
1097 	int sectsize = epp->disk_geom.sectsize;  in read_modify_write_ebr()
1101 	if (lseek(epp->dev_fd, seek_offset, SEEK_SET) < 0) {  in read_modify_write_ebr()
1104 	if (read(epp->dev_fd, ebr_buf, sectsize) < sectsize) {  in read_modify_write_ebr()
1115 	if (lseek(epp->dev_fd, seek_offset, SEEK_SET) < 0) {  in read_modify_write_ebr()
1118 	if (write(epp->dev_fd, ebr_buf, sectsize) < sectsize) {  in read_modify_write_ebr()
1129 fdisk_mounted_logical_drives(ext_part_t *epp)  in fdisk_mounted_logical_drives()  argument
1144 	if (strstr(epp->device_name, DEFAULT_PATH_PREFIX) == NULL) {  in fdisk_mounted_logical_drives()
1152 	canonp = epp->device_name + strlen(DEFAULT_PATH_PREFIX);  in fdisk_mounted_logical_drives()
1161 	if (fdisk_get_solaris_part(epp, &part, &begsec, &numsec) ==  in fdisk_mounted_logical_drives()
1203 fdisk_commit_ext_part(ext_part_t *epp)  in fdisk_commit_ext_part()  argument
1208 	int sectsize = epp->disk_geom.sectsize;  in fdisk_commit_ext_part()
1218 	if (epp->first_ebr_is_null) {  in fdisk_commit_ext_part()
1231 	for (temp = epp->ld_head; temp != NULL; temp = temp->next) {  in fdisk_commit_ext_part()
1232 		if (temp == epp->ld_head) {  in fdisk_commit_ext_part()
1233 			abs_secnum = epp->ext_beg_sec;  in fdisk_commit_ext_part()
1238 			rval = read_modify_write_ebr(epp, ebr_buf,  in fdisk_commit_ext_part()
1253 	if ((rval = fdisk_mounted_logical_drives(epp)) != 0) {  in fdisk_commit_ext_part()
1263 	if (epp->first_ebr_is_null) {  in fdisk_commit_ext_part()
1264 		rval = read_modify_write_ebr(epp, ebr_buf, NULL,  in fdisk_commit_ext_part()
1265 		    epp->ext_beg_sec);  in fdisk_commit_ext_part()
1272 		if (epp->logical_drive_count == 0) {  in fdisk_commit_ext_part()
1290 		for (temp = epp->ld_head, ld_count = 0; temp != NULL;  in fdisk_commit_ext_part()
1293 				abs_secnum = epp->ext_beg_sec;  in fdisk_commit_ext_part()
1298 				rval = read_modify_write_ebr(epp, ebr_buf,  in fdisk_commit_ext_part()
1328 	rval = ioctl(epp->dev_fd, DKIOCSETEXTPART);  in fdisk_commit_ext_part()
1345 fdisk_init_ext_part(ext_part_t *epp, uint32_t rsect, uint32_t nsect)  in fdisk_init_ext_part()  argument
1347 	epp->first_ebr_is_null = 1;  in fdisk_init_ext_part()
1348 	epp->corrupt_logical_drives = 0;  in fdisk_init_ext_part()
1349 	epp->logical_drive_count = 0;  in fdisk_init_ext_part()
1350 	epp->ext_beg_sec = rsect;  in fdisk_init_ext_part()
1351 	epp->ext_end_sec = rsect + nsect - 1;  in fdisk_init_ext_part()
1352 	epp->ext_beg_cyl = FDISK_SECT_TO_CYL(epp, epp->ext_beg_sec);  in fdisk_init_ext_part()
1353 	epp->ext_end_cyl = FDISK_SECT_TO_CYL(epp, epp->ext_end_sec);  in fdisk_init_ext_part()
1354 	epp->invalid_bb_sig[0] = 0;  in fdisk_init_ext_part()
1359 fdisk_delete_ext_part(ext_part_t *epp)  in fdisk_delete_ext_part()  argument
1361 	epp->first_ebr_is_null = 1;  in fdisk_delete_ext_part()
1363 	fdisk_free_ld_nodes(epp);  in fdisk_delete_ext_part()
1364 	epp->logical_drive_count = 0;  in fdisk_delete_ext_part()
1365 	epp->corrupt_logical_drives = 0;  in fdisk_delete_ext_part()
1366 	epp->invalid_bb_sig[0] = 0;  in fdisk_delete_ext_part()
1371 fdisk_get_disk_geom(ext_part_t *epp, int type, int what)  in fdisk_get_disk_geom()  argument
1377 					return ((int)epp->disk_geom.phys_cyl);  in fdisk_get_disk_geom()
1379 					return ((int)epp->disk_geom.phys_heads);  in fdisk_get_disk_geom()
1381 					return ((int)epp->disk_geom.phys_sec);  in fdisk_get_disk_geom()
1383 					return ((int)epp->disk_geom.sectsize);  in fdisk_get_disk_geom()
1385 					return ((int)epp->disk_geom.alt_cyl);  in fdisk_get_disk_geom()
1392 					return ((int)epp->disk_geom.virt_cyl);  in fdisk_get_disk_geom()
1394 					return ((int)epp->disk_geom.virt_heads);  in fdisk_get_disk_geom()
1396 					return ((int)epp->disk_geom.virt_sec);  in fdisk_get_disk_geom()
1398 					return ((int)epp->disk_geom.sectsize);  in fdisk_get_disk_geom()
1400 					return ((int)epp->disk_geom.alt_cyl);  in fdisk_get_disk_geom()
1410 fdisk_invalid_bb_sig(ext_part_t *epp, uchar_t **bbsig_arr)  in fdisk_invalid_bb_sig()  argument
1412 	*bbsig_arr = &(epp->invalid_bb_sig[0]);  in fdisk_invalid_bb_sig()
1413 	return (epp->invalid_bb_sig[0]);  in fdisk_invalid_bb_sig()