diff options
Diffstat (limited to 'src/H5FDprivate.h')
| -rw-r--r-- | src/H5FDprivate.h | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/src/H5FDprivate.h b/src/H5FDprivate.h index 64b71d4..600cae1 100644 --- a/src/H5FDprivate.h +++ b/src/H5FDprivate.h @@ -39,6 +39,28 @@ /* Length of filename buffer */ #define H5FD_MAX_FILENAME_LEN 1024 +/* MPI based VFDs */ +#define IS_H5FD_MPIO(f) /* (H5F_t *f) */ \ + (H5FD_MPIO==H5F_DRIVER_ID(f)) + +#define IS_H5FD_MPIPOSIX(f) /* (H5F_t *f) */ \ + (H5FD_MPIPOSIX==H5F_DRIVER_ID(f)) + +#ifdef H5_HAVE_PARALLEL +/* ======== Temporary data transfer properties ======== */ +/* Definitions for memory MPI type property */ +#define H5FD_MPI_XFER_MEM_MPI_TYPE_NAME "H5FD_mpi_mem_mpi_type" +/* Definitions for file MPI type property */ +#define H5FD_MPI_XFER_FILE_MPI_TYPE_NAME "H5FD_mpi_file_mpi_type" + +/* Sub-class the H5FD_class_t to add more specific functions for MPI-based VFDs */ +typedef struct H5FD_class_mpi_t { + H5FD_class_t super; /* Superclass information & methods */ + int (*get_rank)(const H5FD_t *file); /* Get the MPI rank of a process */ + int (*get_size)(const H5FD_t *file); /* Get the MPI size of a communicator */ + MPI_Comm (*get_comm)(const H5FD_t *file); /* Get the communicator for a file */ +} H5FD_class_mpi_t; +#endif /****************************/ /* Library Private Typedefs */ @@ -123,9 +145,28 @@ H5_DLL herr_t H5FD_get_fileno(const H5FD_t *file, unsigned long *filenum); H5_DLL herr_t H5FD_get_vfd_handle(H5FD_t *file, hid_t fapl, void** file_handle); H5_DLL herr_t H5FD_set_base_addr(H5FD_t *file, haddr_t base_addr); H5_DLL haddr_t H5FD_get_base_addr(const H5FD_t *file); + +/* Function prototypes for MPI based VFDs*/ #ifdef H5_HAVE_PARALLEL +/* General routines */ +H5_DLL haddr_t H5FD_mpi_MPIOff_to_haddr(MPI_Offset mpi_off); +H5_DLL herr_t H5FD_mpi_haddr_to_MPIOff(haddr_t addr, MPI_Offset *mpi_off/*out*/); +H5_DLL herr_t H5FD_mpi_comm_info_dup(MPI_Comm comm, MPI_Info info, + MPI_Comm *comm_new, MPI_Info *info_new); +H5_DLL herr_t H5FD_mpi_comm_info_free(MPI_Comm *comm, MPI_Info *info); +#ifdef NOT_YET +H5_DLL herr_t H5FD_mpio_wait_for_left_neighbor(H5FD_t *file); +H5_DLL herr_t H5FD_mpio_signal_right_neighbor(H5FD_t *file); +#endif /* NOT_YET */ +H5_DLL herr_t H5FD_mpi_setup_collective(hid_t dxpl_id, MPI_Datatype *btype, + MPI_Datatype *ftype); H5_DLL herr_t H5FD_set_mpio_atomicity(H5FD_t *file, hbool_t flag); H5_DLL herr_t H5FD_get_mpio_atomicity(H5FD_t *file, hbool_t *flag); + +/* Driver specific methods */ +H5_DLL int H5FD_mpi_get_rank(const H5FD_t *file); +H5_DLL int H5FD_mpi_get_size(const H5FD_t *file); +H5_DLL MPI_Comm H5FD_mpi_get_comm(const H5FD_t *_file); #endif /* H5_HAVE_PARALLEL */ #endif /* !_H5FDprivate_H */ |