32  * partition  := <part-id>
33  * <part-id>  := <dev-id>,part_num
50  * <mtd-def>  := <mtd-id>:<part-def>[,<part-def>...]
52  * <part-def> := <size>[@<offset>][<name>][<ro-flag>]
141 extern void jffs2_free_cache(struct part_info *part);
233 	struct part_info *part;  in index_partitions()  local
252 		part = mtd_part_info(current_mtd_dev, current_mtd_partnum);  in index_partitions()
253 		if (part) {  in index_partitions()
254 			env_set("mtddevname", part->name);  in index_partitions()
256 			debug("=> mtddevname %s\n", part->name);  in index_partitions()
326  * @param part partition to validate
329 static int part_validate_eraseblock(struct mtdids *id, struct part_info *part)  in part_validate_eraseblock()  argument
339 	part->sector_size = mtd->erasesize;  in part_validate_eraseblock()
346 		offset = part->offset;  in part_validate_eraseblock()
350 			       MTD_DEV_TYPE(id->type), id->num, part->name);  in part_validate_eraseblock()
354 		size = part->size;  in part_validate_eraseblock()
357 			       MTD_DEV_TYPE(id->type), id->num, part->name);  in part_validate_eraseblock()
370 				if (part->offset == start)  in part_validate_eraseblock()
377 		       MTD_DEV_TYPE(id->type), id->num, part->name);  in part_validate_eraseblock()
386 				if ((part->offset + part->size) == start)  in part_validate_eraseblock()
392 		if ((part->offset + part->size) == start)  in part_validate_eraseblock()
396 		       MTD_DEV_TYPE(id->type), id->num, part->name);  in part_validate_eraseblock()
410  * part_validate_eraseblock() is called with the argument of part.
413  * @param part partition to validate
416 static int part_validate(struct mtdids *id, struct part_info *part)  in part_validate()  argument
418 	if (part->size == SIZE_REMAINING)  in part_validate()
419 		part->size = id->size - part->offset;  in part_validate()
421 	if (part->offset > id->size) {  in part_validate()
423 				id->mtd_id, part->offset, id->size);  in part_validate()
427 	if ((part->offset + part->size) <= part->offset) {  in part_validate()
429 				MTD_DEV_TYPE(id->type), id->num, part->name);  in part_validate()
433 	if (part->offset + part->size > id->size) {  in part_validate()
442 	return part_validate_eraseblock(id, part);  in part_validate()
449  * @param part partition to delete
452 static int part_del(struct mtd_device *dev, struct part_info *part)  in part_del()  argument
469 			if (curr_pi == part) {  in part_del()
472 			} else if (part->offset <= curr_pi->offset) {  in part_del()
479 	list_del(&part->link);  in part_del()
480 	free(part);  in part_del()
517 static int part_sort_add(struct mtd_device *dev, struct part_info *part)  in part_sort_add()  argument
523 	part->dev = dev;  in part_sort_add()
527 		list_add(&part->link, &dev->parts);  in part_sort_add()
533 	new_pi = list_entry(&part->link, struct part_info, link);  in part_sort_add()
552 			list_add_tail(&part->link, entry);  in part_sort_add()
567 	list_add_tail(&part->link, &dev->parts);  in part_sort_add()
577  * @param part partition to be added
580 static int part_add(struct mtd_device *dev, struct part_info *part)  in part_add()  argument
583 	if (part_validate(dev->id, part) != 0)  in part_add()
587 	if (part_sort_add(dev, part) != 0)  in part_add()
597  * @param partdef pointer to the partition definition string i.e. <part-def>
604 	struct part_info *part;  in part_parse()  local
680 	part = (struct part_info *)malloc(sizeof(struct part_info) + name_len);  in part_parse()
681 	if (!part) {  in part_parse()
685 	memset(part, 0, sizeof(struct part_info) + name_len);  in part_parse()
686 	part->size = size;  in part_parse()
687 	part->offset = offset;  in part_parse()
688 	part->mask_flags = mask_flags;  in part_parse()
689 	part->name = (char *)(part + 1);  in part_parse()
693 		strncpy(part->name, name, name_len - 1);  in part_parse()
694 		part->auto_name = 0;  in part_parse()
697 		snprintf(part->name, name_len, "0x%08llx@0x%08llx", size, offset);  in part_parse()
698 		part->auto_name = 1;  in part_parse()
701 	part->name[name_len - 1] = '\0';  in part_parse()
702 	INIT_LIST_HEAD(&part->link);  in part_parse()
705 			part->name, part->size,  in part_parse()
706 			part->offset, part->mask_flags);  in part_parse()
708 	*retpart = part;  in part_parse()
844 	struct part_info *part;  in device_parse()  local
891 		part = list_entry(dev->parts.prev, struct part_info, link);  in device_parse()
892 		offset = part->offset + part->size;  in device_parse()
897 		if ((part_parse(p, &p, &part) != 0) || (!part))  in device_parse()
901 		if (part->offset == OFFSET_NOT_SPECIFIED)  in device_parse()
902 			part->offset = offset;  in device_parse()
904 			offset = part->offset;  in device_parse()
907 		if (part_validate(id, part) != 0)  in device_parse()
910 		offset += part->size;  in device_parse()
913 		list_add_tail(&part->link, &tmp_list);  in device_parse()
953 		part = list_entry(entry, struct part_info, link);  in device_parse()
955 		if (part_sort_add(dev, part) != 0) {  in device_parse()
1089 	struct part_info *part, *prev_part;  in generate_mtdparts()  local
1122 			part = list_entry(pentry, struct part_info, link);  in generate_mtdparts()
1123 			size = part->size;  in generate_mtdparts()
1124 			offset = part->offset;  in generate_mtdparts()
1140 					(prev_part && ((prev_part->offset + prev_part->size) != part->offset))) {  in generate_mtdparts()
1153 			if(!part->auto_name) {  in generate_mtdparts()
1154 				len = strlen(part->name) + 2;  in generate_mtdparts()
1159 				memcpy(p, part->name, len - 2);  in generate_mtdparts()
1166 			if (part->mask_flags && MTD_WRITEABLE_CMD) {  in generate_mtdparts()
1183 			prev_part = part;  in generate_mtdparts()
1232  * @param part the partition
1235 static uint64_t net_part_size(struct mtd_info *mtd, struct part_info *part)  in net_part_size()  argument
1240 		return part->size;  in net_part_size()
1242 	for (i = 0; i < part->size; i += mtd->erasesize) {  in net_part_size()
1243 		if (!mtd->block_isbad(mtd, part->offset + i))  in net_part_size()
1254 	struct part_info *part;  local
1277 			part = list_entry(pentry, struct part_info, link);
1278 			net_size = net_part_size(mtd, part);
1279 			size_note = part->size == net_size ? " " : " (!)";
1281 					part_num, part->name, part->size,
1282 					net_size, size_note, part->offset,
1283 					part->mask_flags);
1291 			part = list_entry(pentry, struct part_info, link);
1293 					part_num, part->name, part->size,
1294 					part->offset, part->mask_flags);
1310 	struct part_info *part;  local
1317 		part = mtd_part_info(current_mtd_dev, current_mtd_partnum);
1318 		if (part) {
1322 					part->name, part->size, part->offset);
1348  * @param part pointer to requested partition (output)
1352 		u8 *part_num, struct part_info **part)  argument
1364 			*part = list_entry(pentry, struct part_info, link);
1365 			if (strcmp((*part)->name, id) == 0)
1373 	*part = NULL;
1394 	if ((*part = mtd_part_info(*dev, pnum)) == NULL) {
1415 	struct part_info *part;  local
1417 	if (find_dev_and_part(id, &dev, &pnum, &part) == 0) {
1421 				part->name, part->size, part->offset);
1423 		if (part_del(dev, part) != 0)
1444  * @param part the partition
1448 static void spread_partition(struct mtd_info *mtd, struct part_info *part,  argument
1454 	mtd_get_len_incl_bad(mtd, part->offset, part->size, &net_size,
1463 		mtd_get_len_incl_bad(mtd, part->offset + net_size,
1472 		printf("truncated partition %s to %lld bytes\n", part->name,
1476 	part->size = net_size + padding_size;
1477 	*next_offset = part->offset + part->size;
1491 	struct part_info *part;  local
1505 			part = list_entry(pentry, struct part_info, link);
1510 				part_num, part->name, part->size,
1511 				part->offset);
1513 			if (cur_offs > part->offset)
1514 				part->offset = cur_offs;
1516 			spread_partition(mtd, part, &cur_offs);
1879 	struct part_info *part;  local
1899 		part = list_entry(entry, struct part_info, link);
1902 			return part;
1927 	struct part_info *part;  local
1938 	if (find_dev_and_part(argv[1], &dev, &pnum, &part) != 0)
2064 	/* mtdparts del part-id */
2066 		debug("del: part-id = %s\n", argv[2]);
2083 	"part-id\n"
2084 	"    - change active partition (e.g. part-id = nand0,1)"
2093 	"mtdparts del part-id\n"
2094 	"    - delete partition (e.g. part-id = nand0,1)\n"
2114 	"partition  := <part-id>\n"
2115 	"<part-id>  := <dev-id>,part_num\n\n"
2124 	"<mtd-def>  := <mtd-id>:<part-def>[,<part-def>...]\n"
2126 	"<part-def> := <size>[@<offset>][<name>][<ro-flag>]\n"