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| H5_DLL herr_t | H5Pset_fapl_mpio (hid_t fapl_id, MPI_Comm comm, MPI_Info info) | 
|  | Stores MPI IO communicator information to the file access property list. 
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| H5_DLL herr_t | H5Pget_fapl_mpio (hid_t fapl_id, MPI_Comm *comm, MPI_Info *info) | 
|  | Returns MPI IO communicator information. 
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| H5_DLL herr_t | H5Pset_dxpl_mpio (hid_t dxpl_id, H5FD_mpio_xfer_t xfer_mode) | 
|  | Sets data transfer mode. 
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| H5_DLL herr_t | H5Pget_dxpl_mpio (hid_t dxpl_id, H5FD_mpio_xfer_t *xfer_mode) | 
|  | Returns the data transfer mode. 
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| H5_DLL herr_t | H5Pset_dxpl_mpio_collective_opt (hid_t dxpl_id, H5FD_mpio_collective_opt_t opt_mode) | 
|  | Sets low-level data transfer mode. 
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| H5_DLL herr_t | H5Pset_dxpl_mpio_chunk_opt (hid_t dxpl_id, H5FD_mpio_chunk_opt_t opt_mode) | 
|  | Sets a flag specifying linked-chunk I/O or multi-chunk I/O. 
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| H5_DLL herr_t | H5Pset_dxpl_mpio_chunk_opt_num (hid_t dxpl_id, unsigned num_chunk_per_proc) | 
|  | Sets a numeric threshold for linked-chunk I/O. 
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| H5_DLL herr_t | H5Pset_dxpl_mpio_chunk_opt_ratio (hid_t dxpl_id, unsigned percent_num_proc_per_chunk) | 
|  | Sets a ratio threshold for collective I/O. 
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