pub unsafe extern "C" fn mmc_run_cmd_len( p_cdio: *const CdIo_t, i_timeout_ms: c_uint, p_cdb: *const mmc_cdb_t, i_cdb: c_uint, e_direction: cdio_mmc_direction_t, i_buf: c_uint, p_buf: *mut c_void) -> driver_return_code_t