/* * Copyright (c) 2004-2005 The Trustees of Indiana University and Indiana * University Research and Technology * Corporation. All rights reserved. * Copyright (c) 2004-2006 The University of Tennessee and The University * of Tennessee Research Foundation. All rights * reserved. * Copyright (c) 2004-2005 High Performance Computing Center Stuttgart, * University of Stuttgart. All rights reserved. * Copyright (c) 2004-2005 The Regents of the University of California. * All rights reserved. * Copyright (c) 2008-2015 University of Houston. All rights reserved. * $COPYRIGHT$ * * Additional copyrights may follow * * $HEADER$ */ #ifndef MCA_FBTL_POSIX_H #define MCA_FBTL_POSIX_H #include "ompi_config.h" #include "ompi/mca/mca.h" #include "ompi/mca/fbtl/fbtl.h" #include "ompi/mca/io/ompio/io_ompio.h" #include "ompi/mca/io/ompio/io_ompio_request.h" extern int mca_fbtl_posix_priority; BEGIN_C_DECLS int mca_fbtl_posix_component_init_query(bool enable_progress_threads, bool enable_mpi_threads); struct mca_fbtl_base_module_1_0_0_t * mca_fbtl_posix_component_file_query (mca_io_ompio_file_t *file, int *priority); int mca_fbtl_posix_component_file_unquery (mca_io_ompio_file_t *file); int mca_fbtl_posix_module_init (mca_io_ompio_file_t *file); int mca_fbtl_posix_module_finalize (mca_io_ompio_file_t *file); extern int fbtl_posix_max_aio_active_reqs; OMPI_MODULE_DECLSPEC extern mca_fbtl_base_component_2_0_0_t mca_fbtl_posix_component; /* * ****************************************************************** * ********* functions which are implemented in this module ********* * ****************************************************************** */ ssize_t mca_fbtl_posix_preadv (mca_io_ompio_file_t *file ); ssize_t mca_fbtl_posix_pwritev (mca_io_ompio_file_t *file ); ssize_t mca_fbtl_posix_ipreadv (mca_io_ompio_file_t *file, ompi_request_t *request); ssize_t mca_fbtl_posix_ipwritev (mca_io_ompio_file_t *file, ompi_request_t *request); bool mca_fbtl_posix_progress ( mca_ompio_request_t *req); void mca_fbtl_posix_request_free ( mca_ompio_request_t *req); struct mca_fbtl_posix_request_data_t { int aio_req_count; /* total number of aio reqs */ int aio_open_reqs; /* number of unfinished reqs */ int aio_req_type; /* read or write */ int aio_req_chunks; /* max. no. of aio reqs that can be posted at once*/ int aio_first_active_req; /* first active posted req */ int aio_last_active_req; /* last currently active poted req */ struct aiocb *aio_reqs; /* pointer array of req structures */ int *aio_req_status; /* array of statuses */ ssize_t aio_total_len; /* total amount of data written */ }; typedef struct mca_fbtl_posix_request_data_t mca_fbtl_posix_request_data_t; /* Right now statically defined, will become a configure check */ #define FBTL_POSIX_HAVE_AIO 1 /* define constants for AIO requests */ #define FBTL_POSIX_READ 1 #define FBTL_POSIX_WRITE 2 /* * ****************************************************************** * ************ functions implemented in this module end ************ * ****************************************************************** */ END_C_DECLS #endif /* MCA_FBTL_POSIX_H */