190 int nvram_write_os_partition(struct nvram_os_partition *part,  in nvram_write_os_partition()  argument
199 	if (part->index == -1)  in nvram_write_os_partition()
202 	if (length > part->size)  in nvram_write_os_partition()
203 		length = part->size;  in nvram_write_os_partition()
208 	tmp_index = part->index;  in nvram_write_os_partition()
229 int nvram_read_partition(struct nvram_os_partition *part, char *buff,  in nvram_read_partition()  argument
237 	if (part->index == -1)  in nvram_read_partition()
240 	if (length > part->size)  in nvram_read_partition()
241 		length = part->size;  in nvram_read_partition()
243 	tmp_index = part->index;  in nvram_read_partition()
245 	if (part->os_partition) {  in nvram_read_partition()
259 	if (part->os_partition) {  in nvram_read_partition()
284 int __init nvram_init_os_partition(struct nvram_os_partition *part)  in nvram_init_os_partition()  argument
290 	p = nvram_find_partition(part->name, NVRAM_SIG_OS, &size);  in nvram_init_os_partition()
293 	if (p && size < part->min_size) {  in nvram_init_os_partition()
295 					" removing it...\n", part->name);  in nvram_init_os_partition()
296 		nvram_remove_partition(part->name, NVRAM_SIG_OS, NULL);  in nvram_init_os_partition()
302 		p = nvram_create_partition(part->name, NVRAM_SIG_OS,  in nvram_init_os_partition()
303 					part->req_size, part->min_size);  in nvram_init_os_partition()
307 				part->name);  in nvram_init_os_partition()
310 			p = nvram_create_partition(part->name, NVRAM_SIG_OS,  in nvram_init_os_partition()
311 					part->req_size, part->min_size);  in nvram_init_os_partition()
317 		       " partition, err %d\n", part->name, (int)p);  in nvram_init_os_partition()
321 	part->index = p;  in nvram_init_os_partition()
322 	part->size = nvram_get_partition_size(p) - sizeof(struct err_log_info);  in nvram_init_os_partition()
402 	if (record->part > 1 || (record->type != PSTORE_TYPE_DMESG))  in nvram_pstore_write()
422 	record->id = record->part;  in nvram_pstore_write()
435 	struct nvram_os_partition *part = NULL;  in nvram_pstore_read()  local
444 		part = &oops_log_partition;  in nvram_pstore_read()
449 		part = &common_partition;  in nvram_pstore_read()
457 		part = &rtas_log_partition;  in nvram_pstore_read()
464 		part = &of_config_partition;  in nvram_pstore_read()
474 		part = &skiboot_partition;  in nvram_pstore_read()
485 	if (!part->os_partition) {  in nvram_pstore_read()
486 		p = nvram_find_partition(part->name, sig, &size);  in nvram_pstore_read()
489 				"err %d\n", part->name, (int)p);  in nvram_pstore_read()
492 		part->index = p;  in nvram_pstore_read()
493 		part->size = size;  in nvram_pstore_read()
496 	buff = kmalloc(part->size, GFP_KERNEL);  in nvram_pstore_read()
501 	if (nvram_read_partition(part, buff, part->size, &err_type, &id_no)) {  in nvram_pstore_read()
508 	if (part->os_partition)  in nvram_pstore_read()
541 	return part->size;  in nvram_pstore_read()
813 		int part, offset;  in dev_nvram_ioctl()  local
817 		if (copy_from_user(&part, (void __user*)arg, sizeof(part)) != 0)  in dev_nvram_ioctl()
819 		if (part < pmac_nvram_OF || part > pmac_nvram_NR)  in dev_nvram_ioctl()
821 		offset = pmac_get_partition(part);  in dev_nvram_ioctl()
866 static int __init nvram_write_header(struct nvram_partition * part)  in nvram_write_header()  argument
872 	memcpy(&phead, &part->header, NVRAM_HEADER_LEN);  in nvram_write_header()
875 	tmp_index = part->index;  in nvram_write_header()
900 static int nvram_can_remove_partition(struct nvram_partition *part,  in nvram_can_remove_partition()  argument
903 	if (part->header.signature != sig)  in nvram_can_remove_partition()
906 		if (strncmp(name, part->header.name, 12))  in nvram_can_remove_partition()
911 			if (!strncmp(*except, part->header.name, 12))  in nvram_can_remove_partition()
930 	struct nvram_partition *part, *prev, *tmp;  in nvram_remove_partition()  local
933 	list_for_each_entry(part, &nvram_partitions, partition) {  in nvram_remove_partition()
934 		if (!nvram_can_remove_partition(part, name, sig, exceptions))  in nvram_remove_partition()
938 		part->header.signature = NVRAM_SIG_FREE;  in nvram_remove_partition()
939 		memset(part->header.name, 'w', 12);  in nvram_remove_partition()
940 		part->header.checksum = nvram_checksum(&part->header);  in nvram_remove_partition()
941 		rc = nvram_write_header(part);  in nvram_remove_partition()
950 	list_for_each_entry_safe(part, tmp, &nvram_partitions, partition) {  in nvram_remove_partition()
951 		if (part->header.signature != NVRAM_SIG_FREE) {  in nvram_remove_partition()
956 			prev->header.length += part->header.length;  in nvram_remove_partition()
963 			list_del(&part->partition);  in nvram_remove_partition()
964 			kfree(part);  in nvram_remove_partition()
966 			prev = part;  in nvram_remove_partition()
988 	struct nvram_partition *part;  in nvram_create_partition()  local
1014 	list_for_each_entry(part, &nvram_partitions, partition) {  in nvram_create_partition()
1015 		if (part->header.signature != NVRAM_SIG_FREE)  in nvram_create_partition()
1018 		if (part->header.length >= req_size) {  in nvram_create_partition()
1020 			free_part = part;  in nvram_create_partition()
1023 		if (part->header.length > size &&  in nvram_create_partition()
1024 		    part->header.length >= min_size) {  in nvram_create_partition()
1025 			size = part->header.length;  in nvram_create_partition()
1026 			free_part = part;  in nvram_create_partition()
1092 	struct nvram_partition *part;  in nvram_get_partition_size()  local
1094 	list_for_each_entry(part, &nvram_partitions, partition) {  in nvram_get_partition_size()
1095 		if (part->index + NVRAM_HEADER_LEN == data_index)  in nvram_get_partition_size()
1096 			return (part->header.length - 1) * NVRAM_BLOCK_LEN;  in nvram_get_partition_size()