| local_name | standard_name | long_name | units | type | dimensions | kind | intent | optional |
| Model | GFS_control_type_instance | Fortran DDT containing FV3-GFS model control parameters | DDT | GFS_control_type | () | | inout | False |
| Data | GFS_data_type_instance_all_blocks | Fortran DDT containing FV3-GFS data | DDT | GFS_data_type | (ccpp_block_number) | | inout | False |
| nthrds | omp_threads | number of OpenMP threads available for physics schemes | count | integer | () | | in | False |
| errmsg | ccpp_error_message | error message for error handling in CCPP | none | character | () | len=* | out | False |
| errflg | ccpp_error_flag | error flag for error handling in CCPP | flag | integer | () | | out | False |