112 #define OS_AREA_DB_MAGIC_NUM "-db-"
116  * @magic_num: Always '-db-'.
373 static int db_verify(const struct os_area_db *db)  in db_verify()  argument
375 	if (memcmp(db->magic_num, OS_AREA_DB_MAGIC_NUM,  in db_verify()
376 		sizeof(db->magic_num))) {  in db_verify()
381 	if (db->version != 1) {  in db_verify()
395 	const struct os_area_db *db;  member
418 static int db_for_each_64(const struct os_area_db *db,  in db_for_each_64()  argument
422 	if (!i->db) {  in db_for_each_64()
423 		i->db = db;  in db_for_each_64()
425 		i->idx = (void *)db + db->index_64;  in db_for_each_64()
426 		i->last_idx = i->idx + db->count_64;  in db_for_each_64()
427 		i->value_64 = (void *)db + db->index_64  in db_for_each_64()
428 			+ db_align_up(db->count_64, 8);  in db_for_each_64()
449 static int db_delete_64(struct os_area_db *db, const struct os_area_db_id *id)  in db_delete_64()  argument
453 	for (i.db = NULL; db_for_each_64(db, id, &i); ) {  in db_delete_64()
466 static int db_set_64(struct os_area_db *db, const struct os_area_db_id *id,  in db_set_64()  argument
481 	db_delete_64(db, id);  in db_set_64()
483 	i.db = NULL;  in db_set_64()
484 	if (db_for_each_64(db, &os_area_db_id_empty, &i)) {  in db_set_64()
504 static int db_get_64(const struct os_area_db *db,  in db_get_64()  argument
509 	i.db = NULL;  in db_get_64()
510 	if (db_for_each_64(db, id, &i)) {  in db_get_64()
520 static int db_get_rtc_diff(const struct os_area_db *db, int64_t *rtc_diff)  in db_get_rtc_diff()  argument
522 	return db_get_64(db, &os_area_db_id_rtc_diff, (uint64_t*)rtc_diff);  in db_get_rtc_diff()
526 static void _dump_db(const struct os_area_db *db, const char *func,  in _dump_db()  argument
529 	char str[sizeof(db->magic_num) + 1];  in _dump_db()
531 	dump_field(str, db->magic_num, sizeof(db->magic_num));  in _dump_db()
532 	pr_debug("%s:%d: db.magic_num:      '%s'\n", func, line,  in _dump_db()
534 	pr_debug("%s:%d: db.version:         %u\n", func, line,  in _dump_db()
535 		db->version);  in _dump_db()
536 	pr_debug("%s:%d: db.index_64:        %u\n", func, line,  in _dump_db()
537 		db->index_64);  in _dump_db()
538 	pr_debug("%s:%d: db.count_64:        %u\n", func, line,  in _dump_db()
539 		db->count_64);  in _dump_db()
540 	pr_debug("%s:%d: db.index_32:        %u\n", func, line,  in _dump_db()
541 		db->index_32);  in _dump_db()
542 	pr_debug("%s:%d: db.count_32:        %u\n", func, line,  in _dump_db()
543 		db->count_32);  in _dump_db()
544 	pr_debug("%s:%d: db.index_16:        %u\n", func, line,  in _dump_db()
545 		db->index_16);  in _dump_db()
546 	pr_debug("%s:%d: db.count_16:        %u\n", func, line,  in _dump_db()
547 		db->count_16);  in _dump_db()
550 static void os_area_db_init(struct os_area_db *db)  in os_area_db_init()  argument
562 	memset(db, 0, sizeof(struct os_area_db));  in os_area_db_init()
564 	memcpy(db->magic_num, OS_AREA_DB_MAGIC_NUM, sizeof(db->magic_num));  in os_area_db_init()
565 	db->version = 1;  in os_area_db_init()
566 	db->index_64 = HEADER_SIZE;  in os_area_db_init()
567 	db->count_64 = VALUES_64_COUNT;  in os_area_db_init()
568 	db->index_32 = HEADER_SIZE  in os_area_db_init()
571 	db->count_32 = VALUES_32_COUNT;  in os_area_db_init()
572 	db->index_16 = HEADER_SIZE  in os_area_db_init()
577 	db->count_16 = VALUES_16_COUNT;  in os_area_db_init()
579 	/* Rules to check db layout. */  in os_area_db_init()
611 	struct os_area_db* db;  in update_flash_db()  local
613 	/* Read in header and db from flash. */  in update_flash_db()
636 	/* Now got a good db offset and some maybe good db data. */  in update_flash_db()
638 	db = (void *)header + pos;  in update_flash_db()
640 	error = db_verify(db);  in update_flash_db()
644 		dump_db(db);  in update_flash_db()
645 		os_area_db_init(db);  in update_flash_db()
648 	/* Now got good db data. */  in update_flash_db()
650 	db_set_64(db, &os_area_db_id_rtc_diff, saved_params.rtc_diff);  in update_flash_db()
652 	count = os_area_flash_write(db, sizeof(struct os_area_db), pos);  in update_flash_db()
722 	struct os_area_db *db;  in ps3_os_area_save_params()  local
747 	db = (struct os_area_db *)__va(lpar_addr  in ps3_os_area_save_params()
752 	dump_db(db);  in ps3_os_area_save_params()
754 	result = db_verify(db) || db_get_rtc_diff(db, &saved_params.rtc_diff);  in ps3_os_area_save_params()