powerpc/kernel/rtas_flash.c

366 static void manage_flash(struct rtas_manage_flash_t *args_buf, unsigned int op)
375 	args_buf->status = rc;
381 	struct rtas_manage_flash_t *const args_buf = &rtas_manage_flash_data;
386 	status = args_buf->status;
396 	struct rtas_manage_flash_t *const args_buf = &rtas_manage_flash_data;
404 	if ((args_buf->status == MANAGE_AUTH) || (count == 0))
422 	manage_flash(args_buf, op);
429 static void validate_flash(struct rtas_validate_flash_t *args_buf)
438 		memcpy(rtas_data_buf, args_buf->buf, VALIDATE_BUF_SIZE);
440 			       (u32) __pa(rtas_data_buf), args_buf->buf_size);
441 		memcpy(args_buf->buf, rtas_data_buf, VALIDATE_BUF_SIZE);
445 	args_buf->status = rc;
446 	args_buf->update_results = update_results;
449 static int get_validate_flash_msg(struct rtas_validate_flash_t *args_buf,
454 	if (args_buf->status >= VALIDATE_TMP_UPDATE) {
455 		n = sprintf(msg, "%d\n", args_buf->update_results);
456 		if ((args_buf->update_results >= VALIDATE_CUR_UNKNOWN) ||
457 		    (args_buf->update_results == VALIDATE_TMP_UPDATE))
459 					args_buf->buf);
461 		n = sprintf(msg, "%d\n", args_buf->status);
469 	struct rtas_validate_flash_t *const args_buf =
475 	msglen = get_validate_flash_msg(args_buf, msg, VALIDATE_MSG_LEN);
484 	struct rtas_validate_flash_t *const args_buf =
492 		(args_buf->status == VALIDATE_AUTH)) {
499 		args_buf->status = VALIDATE_READY;
501 		args_buf->status = VALIDATE_INCOMPLETE;
507 	if (copy_from_user(args_buf->buf + *off, buf, count))
516 	struct rtas_validate_flash_t *const args_buf =
521 	if (args_buf->status == VALIDATE_READY) {
522 		args_buf->buf_size = VALIDATE_BUF_SIZE;
523 		validate_flash(args_buf);