191 int nvram_write_os_partition(struct nvram_os_partition *part,  in nvram_write_os_partition()  argument
200 	if (part->index == -1)  in nvram_write_os_partition()
203 	if (length > part->size)  in nvram_write_os_partition()
204 		length = part->size;  in nvram_write_os_partition()
209 	tmp_index = part->index;  in nvram_write_os_partition()
231 int nvram_read_partition(struct nvram_os_partition *part, char *buff,  in nvram_read_partition()  argument
239 	if (part->index == -1)  in nvram_read_partition()
242 	if (length > part->size)  in nvram_read_partition()
243 		length = part->size;  in nvram_read_partition()
245 	tmp_index = part->index;  in nvram_read_partition()
247 	if (part->os_partition) {  in nvram_read_partition()
263 	if (part->os_partition) {  in nvram_read_partition()
288 int __init nvram_init_os_partition(struct nvram_os_partition *part)  in nvram_init_os_partition()  argument
294 	p = nvram_find_partition(part->name, NVRAM_SIG_OS, &size);  in nvram_init_os_partition()
297 	if (p && size < part->min_size) {  in nvram_init_os_partition()
299 					" removing it...\n", part->name);  in nvram_init_os_partition()
300 		nvram_remove_partition(part->name, NVRAM_SIG_OS, NULL);  in nvram_init_os_partition()
306 		p = nvram_create_partition(part->name, NVRAM_SIG_OS,  in nvram_init_os_partition()
307 					part->req_size, part->min_size);  in nvram_init_os_partition()
311 				part->name);  in nvram_init_os_partition()
314 			p = nvram_create_partition(part->name, NVRAM_SIG_OS,  in nvram_init_os_partition()
315 					part->req_size, part->min_size);  in nvram_init_os_partition()
321 		       " partition, err %d\n", part->name, (int)p);  in nvram_init_os_partition()
325 	part->index = p;  in nvram_init_os_partition()
326 	part->size = nvram_get_partition_size(p) - sizeof(struct err_log_info);  in nvram_init_os_partition()
409 				u64 *id, unsigned int part, int count,  in nvram_pstore_write()  argument
418 	if (part > 1 || (type != PSTORE_TYPE_DMESG))  in nvram_pstore_write()
437 	*id = part;  in nvram_pstore_write()
452 	struct nvram_os_partition *part = NULL;  in nvram_pstore_read()  local
461 		part = &oops_log_partition;  in nvram_pstore_read()
466 		part = &common_partition;  in nvram_pstore_read()
474 		part = &rtas_log_partition;  in nvram_pstore_read()
481 		part = &of_config_partition;  in nvram_pstore_read()
491 		part = &skiboot_partition;  in nvram_pstore_read()
502 	if (!part->os_partition) {  in nvram_pstore_read()
503 		p = nvram_find_partition(part->name, sig, &size);  in nvram_pstore_read()
506 				"err %d\n", part->name, (int)p);  in nvram_pstore_read()
509 		part->index = p;  in nvram_pstore_read()
510 		part->size = size;  in nvram_pstore_read()
513 	buff = kmalloc(part->size, GFP_KERNEL);  in nvram_pstore_read()
518 	if (nvram_read_partition(part, buff, part->size, &err_type, &id_no)) {  in nvram_pstore_read()
525 	if (part->os_partition)  in nvram_pstore_read()
557 	return part->size;  in nvram_pstore_read()
846 		int part, offset;  in dev_nvram_ioctl()  local
850 		if (copy_from_user(&part, (void __user*)arg, sizeof(part)) != 0)  in dev_nvram_ioctl()
852 		if (part < pmac_nvram_OF || part > pmac_nvram_NR)  in dev_nvram_ioctl()
854 		offset = pmac_get_partition(part);  in dev_nvram_ioctl()
899 static int __init nvram_write_header(struct nvram_partition * part)  in nvram_write_header()  argument
905 	memcpy(&phead, &part->header, NVRAM_HEADER_LEN);  in nvram_write_header()
908 	tmp_index = part->index;  in nvram_write_header()
933 static int nvram_can_remove_partition(struct nvram_partition *part,  in nvram_can_remove_partition()  argument
936 	if (part->header.signature != sig)  in nvram_can_remove_partition()
939 		if (strncmp(name, part->header.name, 12))  in nvram_can_remove_partition()
944 			if (!strncmp(*except, part->header.name, 12))  in nvram_can_remove_partition()
963 	struct nvram_partition *part, *prev, *tmp;  in nvram_remove_partition()  local
966 	list_for_each_entry(part, &nvram_partitions, partition) {  in nvram_remove_partition()
967 		if (!nvram_can_remove_partition(part, name, sig, exceptions))  in nvram_remove_partition()
971 		part->header.signature = NVRAM_SIG_FREE;  in nvram_remove_partition()
972 		strncpy(part->header.name, "wwwwwwwwwwww", 12);  in nvram_remove_partition()
973 		part->header.checksum = nvram_checksum(&part->header);  in nvram_remove_partition()
974 		rc = nvram_write_header(part);  in nvram_remove_partition()
983 	list_for_each_entry_safe(part, tmp, &nvram_partitions, partition) {  in nvram_remove_partition()
984 		if (part->header.signature != NVRAM_SIG_FREE) {  in nvram_remove_partition()
989 			prev->header.length += part->header.length;  in nvram_remove_partition()
990 			prev->header.checksum = nvram_checksum(&part->header);  in nvram_remove_partition()
991 			rc = nvram_write_header(part);  in nvram_remove_partition()
996 			list_del(&part->partition);  in nvram_remove_partition()
997 			kfree(part);  in nvram_remove_partition()
999 			prev = part;  in nvram_remove_partition()
1021 	struct nvram_partition *part;  in nvram_create_partition()  local
1047 	list_for_each_entry(part, &nvram_partitions, partition) {  in nvram_create_partition()
1048 		if (part->header.signature != NVRAM_SIG_FREE)  in nvram_create_partition()
1051 		if (part->header.length >= req_size) {  in nvram_create_partition()
1053 			free_part = part;  in nvram_create_partition()
1056 		if (part->header.length > size &&  in nvram_create_partition()
1057 		    part->header.length >= min_size) {  in nvram_create_partition()
1058 			size = part->header.length;  in nvram_create_partition()
1059 			free_part = part;  in nvram_create_partition()
1125 	struct nvram_partition *part;  in nvram_get_partition_size()  local
1127 	list_for_each_entry(part, &nvram_partitions, partition) {  in nvram_get_partition_size()
1128 		if (part->index + NVRAM_HEADER_LEN == data_index)  in nvram_get_partition_size()
1129 			return (part->header.length - 1) * NVRAM_BLOCK_LEN;  in nvram_get_partition_size()