180 int nvram_write_os_partition(struct nvram_os_partition *part,  in nvram_write_os_partition()  argument
189 	if (part->index == -1)  in nvram_write_os_partition()
192 	if (length > part->size)  in nvram_write_os_partition()
193 		length = part->size;  in nvram_write_os_partition()
198 	tmp_index = part->index;  in nvram_write_os_partition()
219 int nvram_read_partition(struct nvram_os_partition *part, char *buff,  in nvram_read_partition()  argument
227 	if (part->index == -1)  in nvram_read_partition()
230 	if (length > part->size)  in nvram_read_partition()
231 		length = part->size;  in nvram_read_partition()
233 	tmp_index = part->index;  in nvram_read_partition()
235 	if (part->os_partition) {  in nvram_read_partition()
249 	if (part->os_partition) {  in nvram_read_partition()
274 int __init nvram_init_os_partition(struct nvram_os_partition *part)  in nvram_init_os_partition()  argument
280 	p = nvram_find_partition(part->name, NVRAM_SIG_OS, &size);  in nvram_init_os_partition()
283 	if (p && size < part->min_size) {  in nvram_init_os_partition()
285 					" removing it...\n", part->name);  in nvram_init_os_partition()
286 		nvram_remove_partition(part->name, NVRAM_SIG_OS, NULL);  in nvram_init_os_partition()
292 		p = nvram_create_partition(part->name, NVRAM_SIG_OS,  in nvram_init_os_partition()
293 					part->req_size, part->min_size);  in nvram_init_os_partition()
297 				part->name);  in nvram_init_os_partition()
300 			p = nvram_create_partition(part->name, NVRAM_SIG_OS,  in nvram_init_os_partition()
301 					part->req_size, part->min_size);  in nvram_init_os_partition()
307 		       " partition, err %d\n", part->name, (int)p);  in nvram_init_os_partition()
311 	part->index = p;  in nvram_init_os_partition()
312 	part->size = nvram_get_partition_size(p) - sizeof(struct err_log_info);  in nvram_init_os_partition()
391 	/* part 1 has the recent messages from printk buffer */  in nvram_pstore_write()
392 	if (record->part > 1 || (record->type != PSTORE_TYPE_DMESG))  in nvram_pstore_write()
412 	record->id = record->part;  in nvram_pstore_write()
425 	struct nvram_os_partition *part = NULL;  in nvram_pstore_read()  local
434 		part = &oops_log_partition;  in nvram_pstore_read()
439 		part = &common_partition;  in nvram_pstore_read()
447 		part = &rtas_log_partition;  in nvram_pstore_read()
454 		part = &of_config_partition;  in nvram_pstore_read()
464 		part = &skiboot_partition;  in nvram_pstore_read()
475 	if (!part->os_partition) {  in nvram_pstore_read()
476 		p = nvram_find_partition(part->name, sig, &size);  in nvram_pstore_read()
479 				"err %d\n", part->name, (int)p);  in nvram_pstore_read()
482 		part->index = p;  in nvram_pstore_read()
483 		part->size = size;  in nvram_pstore_read()
486 	buff = kmalloc(part->size, GFP_KERNEL);  in nvram_pstore_read()
491 	if (nvram_read_partition(part, buff, part->size, &err_type, &id_no)) {  in nvram_pstore_read()
498 	if (part->os_partition)  in nvram_pstore_read()
531 	return part->size;  in nvram_pstore_read()
724 static int __init nvram_write_header(struct nvram_partition * part)  in nvram_write_header()  argument
730 	memcpy(&phead, &part->header, NVRAM_HEADER_LEN);  in nvram_write_header()
733 	tmp_index = part->index;  in nvram_write_header()
758 static int __init nvram_can_remove_partition(struct nvram_partition *part,  in nvram_can_remove_partition()  argument
761 	if (part->header.signature != sig)  in nvram_can_remove_partition()
764 		if (strncmp(name, part->header.name, 12))  in nvram_can_remove_partition()
769 			if (!strncmp(*except, part->header.name, 12))  in nvram_can_remove_partition()
788 	struct nvram_partition *part, *prev, *tmp;  in nvram_remove_partition()  local
791 	list_for_each_entry(part, &nvram_partitions, partition) {  in nvram_remove_partition()
792 		if (!nvram_can_remove_partition(part, name, sig, exceptions))  in nvram_remove_partition()
796 		part->header.signature = NVRAM_SIG_FREE;  in nvram_remove_partition()
797 		memset(part->header.name, 'w', 12);  in nvram_remove_partition()
798 		part->header.checksum = nvram_checksum(&part->header);  in nvram_remove_partition()
799 		rc = nvram_write_header(part);  in nvram_remove_partition()
808 	list_for_each_entry_safe(part, tmp, &nvram_partitions, partition) {  in nvram_remove_partition()
809 		if (part->header.signature != NVRAM_SIG_FREE) {  in nvram_remove_partition()
814 			prev->header.length += part->header.length;  in nvram_remove_partition()
821 			list_del(&part->partition);  in nvram_remove_partition()
822 			kfree(part);  in nvram_remove_partition()
824 			prev = part;  in nvram_remove_partition()
846 	struct nvram_partition *part;  in nvram_create_partition()  local
874 	list_for_each_entry(part, &nvram_partitions, partition) {  in nvram_create_partition()
875 		if (part->header.signature != NVRAM_SIG_FREE)  in nvram_create_partition()
878 		if (part->header.length >= req_size) {  in nvram_create_partition()
880 			free_part = part;  in nvram_create_partition()
883 		if (part->header.length > size &&  in nvram_create_partition()
884 		    part->header.length >= min_size) {  in nvram_create_partition()
885 			size = part->header.length;  in nvram_create_partition()
886 			free_part = part;  in nvram_create_partition()
952 	struct nvram_partition *part;  in nvram_get_partition_size()  local
954 	list_for_each_entry(part, &nvram_partitions, partition) {  in nvram_get_partition_size()
955 		if (part->index + NVRAM_HEADER_LEN == data_index)  in nvram_get_partition_size()
956 			return (part->header.length - 1) * NVRAM_BLOCK_LEN;  in nvram_get_partition_size()
966  * @out_size: if non-NULL, returns the size of the data part of the partition