periph_handle_cookie
periph_handle_cookie periph_handle, scsi_periph_handle *_handle);
(periph_handle_cookie)handle, &handle->scsi_periph_handle);
(periph_handle_cookie)handle, &handle->scsi_periph_handle);
periph_handle_cookie periph_handle, scsi_periph_handle_info **res_handle)
periph_handle_cookie periph_handle;
status_t periph_handle_open(scsi_periph_device_info *device, periph_handle_cookie periph_handle,