31  * partition  := <part-id>
32  * <part-id>  := <dev-id>,part_num
49  * <mtd-def>  := <mtd-id>:<part-def>[,<part-def>...]
51  * <part-def> := <size>[@<offset>][<name>][<ro-flag>]
140 extern void jffs2_free_cache(struct part_info *part);
232 	struct part_info *part;  in index_partitions()  local
251 		part = mtd_part_info(current_mtd_dev, current_mtd_partnum);  in index_partitions()
252 		if (part) {  in index_partitions()
253 			env_set("mtddevname", part->name);  in index_partitions()
255 			debug("=> mtddevname %s\n", part->name);  in index_partitions()
325  * @param part partition to validate
328 static int part_validate_eraseblock(struct mtdids *id, struct part_info *part)  in part_validate_eraseblock()  argument
338 	part->sector_size = mtd->erasesize;  in part_validate_eraseblock()
345 		offset = part->offset;  in part_validate_eraseblock()
349 			       MTD_DEV_TYPE(id->type), id->num, part->name);  in part_validate_eraseblock()
353 		size = part->size;  in part_validate_eraseblock()
356 			       MTD_DEV_TYPE(id->type), id->num, part->name);  in part_validate_eraseblock()
369 				if (part->offset == start)  in part_validate_eraseblock()
376 		       MTD_DEV_TYPE(id->type), id->num, part->name);  in part_validate_eraseblock()
385 				if ((part->offset + part->size) == start)  in part_validate_eraseblock()
391 		if ((part->offset + part->size) == start)  in part_validate_eraseblock()
395 		       MTD_DEV_TYPE(id->type), id->num, part->name);  in part_validate_eraseblock()
409  * part_validate_eraseblock() is called with the argument of part.
412  * @param part partition to validate
415 static int part_validate(struct mtdids *id, struct part_info *part)  in part_validate()  argument
417 	if (part->size == SIZE_REMAINING)  in part_validate()
418 		part->size = id->size - part->offset;  in part_validate()
420 	if (part->offset > id->size) {  in part_validate()
422 				id->mtd_id, part->offset, id->size);  in part_validate()
426 	if ((part->offset + part->size) <= part->offset) {  in part_validate()
428 				MTD_DEV_TYPE(id->type), id->num, part->name);  in part_validate()
432 	if (part->offset + part->size > id->size) {  in part_validate()
441 	return part_validate_eraseblock(id, part);  in part_validate()
448  * @param part partition to delete
451 static int part_del(struct mtd_device *dev, struct part_info *part)  in part_del()  argument
468 			if (curr_pi == part) {  in part_del()
471 			} else if (part->offset <= curr_pi->offset) {  in part_del()
478 	list_del(&part->link);  in part_del()
479 	free(part);  in part_del()
516 static int part_sort_add(struct mtd_device *dev, struct part_info *part)  in part_sort_add()  argument
522 	part->dev = dev;  in part_sort_add()
526 		list_add(&part->link, &dev->parts);  in part_sort_add()
532 	new_pi = list_entry(&part->link, struct part_info, link);  in part_sort_add()
551 			list_add_tail(&part->link, entry);  in part_sort_add()
566 	list_add_tail(&part->link, &dev->parts);  in part_sort_add()
576  * @param part partition to be added
579 static int part_add(struct mtd_device *dev, struct part_info *part)  in part_add()  argument
582 	if (part_validate(dev->id, part) != 0)  in part_add()
586 	if (part_sort_add(dev, part) != 0)  in part_add()
596  * @param partdef pointer to the partition definition string i.e. <part-def>
603 	struct part_info *part;  in part_parse()  local
679 	part = (struct part_info *)malloc(sizeof(struct part_info) + name_len);  in part_parse()
680 	if (!part) {  in part_parse()
684 	memset(part, 0, sizeof(struct part_info) + name_len);  in part_parse()
685 	part->size = size;  in part_parse()
686 	part->offset = offset;  in part_parse()
687 	part->mask_flags = mask_flags;  in part_parse()
688 	part->name = (char *)(part + 1);  in part_parse()
692 		strncpy(part->name, name, name_len - 1);  in part_parse()
693 		part->auto_name = 0;  in part_parse()
696 		snprintf(part->name, name_len, "0x%08llx@0x%08llx", size, offset);  in part_parse()
697 		part->auto_name = 1;  in part_parse()
700 	part->name[name_len - 1] = '\0';  in part_parse()
701 	INIT_LIST_HEAD(&part->link);  in part_parse()
704 			part->name, part->size,  in part_parse()
705 			part->offset, part->mask_flags);  in part_parse()
707 	*retpart = part;  in part_parse()
843 	struct part_info *part;  in device_parse()  local
890 		part = list_entry(dev->parts.prev, struct part_info, link);  in device_parse()
891 		offset = part->offset + part->size;  in device_parse()
896 		if ((part_parse(p, &p, &part) != 0) || (!part))  in device_parse()
900 		if (part->offset == OFFSET_NOT_SPECIFIED)  in device_parse()
901 			part->offset = offset;  in device_parse()
903 			offset = part->offset;  in device_parse()
906 		if (part_validate(id, part) != 0)  in device_parse()
909 		offset += part->size;  in device_parse()
912 		list_add_tail(&part->link, &tmp_list);  in device_parse()
952 		part = list_entry(entry, struct part_info, link);  in device_parse()
954 		if (part_sort_add(dev, part) != 0) {  in device_parse()
1088 	struct part_info *part, *prev_part;  in generate_mtdparts()  local
1118 			part = list_entry(pentry, struct part_info, link);  in generate_mtdparts()
1119 			size = part->size;  in generate_mtdparts()
1120 			offset = part->offset;  in generate_mtdparts()
1136 					(prev_part && ((prev_part->offset + prev_part->size) != part->offset))) {  in generate_mtdparts()
1149 			if(!part->auto_name) {  in generate_mtdparts()
1150 				len = strlen(part->name) + 2;  in generate_mtdparts()
1155 				memcpy(p, part->name, len - 2);  in generate_mtdparts()
1162 			if (part->mask_flags && MTD_WRITEABLE_CMD) {  in generate_mtdparts()
1179 			prev_part = part;  in generate_mtdparts()
1228  * @param part the partition
1231 static uint64_t net_part_size(struct mtd_info *mtd, struct part_info *part)  in net_part_size()  argument
1236 		return part->size;  in net_part_size()
1238 	for (i = 0; i < part->size; i += mtd->erasesize) {  in net_part_size()
1239 		if (!mtd->block_isbad(mtd, part->offset + i))  in net_part_size()
1250 	struct part_info *part;  local
1273 			part = list_entry(pentry, struct part_info, link);
1274 			net_size = net_part_size(mtd, part);
1275 			size_note = part->size == net_size ? " " : " (!)";
1277 					part_num, part->name, part->size,
1278 					net_size, size_note, part->offset,
1279 					part->mask_flags);
1287 			part = list_entry(pentry, struct part_info, link);
1289 					part_num, part->name, part->size,
1290 					part->offset, part->mask_flags);
1306 	struct part_info *part;  local
1313 		part = mtd_part_info(current_mtd_dev, current_mtd_partnum);
1314 		if (part) {
1318 					part->name, part->size, part->offset);
1344  * @param part pointer to requested partition (output)
1348 		u8 *part_num, struct part_info **part)  argument
1360 			*part = list_entry(pentry, struct part_info, link);
1361 			if (strcmp((*part)->name, id) == 0)
1369 	*part = NULL;
1390 	if ((*part = mtd_part_info(*dev, pnum)) == NULL) {
1411 	struct part_info *part;  local
1413 	if (find_dev_and_part(id, &dev, &pnum, &part) == 0) {
1417 				part->name, part->size, part->offset);
1419 		if (part_del(dev, part) != 0)
1440  * @param part the partition
1444 static void spread_partition(struct mtd_info *mtd, struct part_info *part,  argument
1450 	mtd_get_len_incl_bad(mtd, part->offset, part->size, &net_size,
1459 		mtd_get_len_incl_bad(mtd, part->offset + net_size,
1468 		printf("truncated partition %s to %lld bytes\n", part->name,
1472 	part->size = net_size + padding_size;
1473 	*next_offset = part->offset + part->size;
1487 	struct part_info *part;  local
1501 			part = list_entry(pentry, struct part_info, link);
1506 				part_num, part->name, part->size,
1507 				part->offset);
1509 			if (cur_offs > part->offset)
1510 				part->offset = cur_offs;
1512 			spread_partition(mtd, part, &cur_offs);
1873 	struct part_info *part;  local
1893 		part = list_entry(entry, struct part_info, link);
1896 			return part;
1921 	struct part_info *part;  local
1932 	if (find_dev_and_part(argv[1], &dev, &pnum, &part) != 0)
2058 	/* mtdparts del part-id */
2060 		debug("del: part-id = %s\n", argv[2]);
2077 	"part-id\n"
2078 	"    - change active partition (e.g. part-id = nand0,1)"
2087 	"mtdparts del part-id\n"
2088 	"    - delete partition (e.g. part-id = nand0,1)\n"
2108 	"partition  := <part-id>\n"
2109 	"<part-id>  := <dev-id>,part_num\n\n"
2118 	"<mtd-def>  := <mtd-id>:<part-def>[,<part-def>...]\n"
2120 	"<part-def> := <size>[@<offset>][<name>][<ro-flag>]\n"