437 строки
18 KiB
C
437 строки
18 KiB
C
/*
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* Copyright (c) 2004-2005 The Trustees of Indiana University and Indiana
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* University Research and Technology
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* Corporation. All rights reserved.
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* Copyright (c) 2004-2005 The University of Tennessee and The University
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* of Tennessee Research Foundation. All rights
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* reserved.
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* Copyright (c) 2004-2005 High Performance Computing Center Stuttgart,
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* University of Stuttgart. All rights reserved.
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* Copyright (c) 2004-2005 The Regents of the University of California.
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* All rights reserved.
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* Copyright (c) 2008 Sun Microsystems, Inc. All rights reserved.
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* $COPYRIGHT$
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*
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* Additional copyrights may follow
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*
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* $HEADER$
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*/
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#ifndef MCA_IO_H
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#define MCA_IO_H
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#include "mpi.h"
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#include "opal/mca/mca.h"
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#include "ompi/request/request.h"
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/*
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* Forward declaration for private data on io components and modules.
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*/
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struct ompi_file_t;
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struct mca_io_base_file_t;
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struct mca_io_base_delete_t;
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/*
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* Forward declaration so that we don't create an include file loop.
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*/
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struct mca_io_base_request_t;
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/*
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* Forward declarations of things declared in this file
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*/
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struct mca_io_base_module_2_0_0_t;
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union mca_io_base_modules_t;
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/**
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* Version of IO component interface that we're using.
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*
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* The IO component is being designed to ensure that it can
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* simultaneously support multiple component versions in a single
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* executable. This is because ROMIO will always be v2.x that
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* supports pretty much a 1-to-1 MPI-API-to-module-function mapping,
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* but we plan to have a v3.x series that will be "something
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* different" (as yet undefined).
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*/
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enum mca_io_base_version_t {
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MCA_IO_BASE_V_NONE,
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MCA_IO_BASE_V_2_0_0,
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MCA_IO_BASE_V_MAX
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};
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/**
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* Convenience typedef
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*/
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typedef enum mca_io_base_version_t mca_io_base_version_t;
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/*
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* Macro for use in components that are of type io
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* 1-1 mapping of all MPI-IO functions
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*/
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#define MCA_IO_BASE_VERSION_2_0_0 \
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MCA_BASE_VERSION_2_0_0, \
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"io", 2, 0, 0
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/*
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* Component
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*/
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struct mca_io_base_module_2_0_0_t;
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typedef int (*mca_io_base_component_init_query_fn_t)
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(bool enable_progress_threads, bool enable_mpi_threads);
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typedef const struct mca_io_base_module_2_0_0_t *
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(*mca_io_base_component_file_query_2_0_0_fn_t)
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(struct ompi_file_t *file, struct mca_io_base_file_t **private_data,
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int *priority);
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typedef int (*mca_io_base_component_file_unquery_fn_t)
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(struct ompi_file_t *file, struct mca_io_base_file_t *private_data);
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typedef int (*mca_io_base_component_file_delete_query_fn_t)
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(char *filename, struct ompi_info_t *info,
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struct mca_io_base_delete_t **private_data,
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bool *usable, int *priority);
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typedef int (*mca_io_base_component_file_delete_select_fn_t)
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(char *filename, struct ompi_info_t *info,
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struct mca_io_base_delete_t *private_data);
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typedef int (*mca_io_base_component_file_delete_unselect_fn_t)
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(char *filename, struct ompi_info_t *info,
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struct mca_io_base_delete_t *private_data);
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typedef int (*mca_io_base_component_progress_fn_t)(void);
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typedef int (*mca_io_base_component_register_datarep_fn_t)(
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char *,
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MPI_Datarep_conversion_function*,
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MPI_Datarep_conversion_function*,
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MPI_Datarep_extent_function*,
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void*);
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/* IO component version and interface functions. */
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struct mca_io_base_component_2_0_0_t {
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mca_base_component_t io_version;
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mca_base_component_data_t io_data;
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/** Additional bytes that this module needs to be allocated when
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an MPI_Request (ompi_request_t) is allocated. */
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size_t io_request_bytes;
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mca_io_base_component_init_query_fn_t io_init_query;
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mca_io_base_component_file_query_2_0_0_fn_t io_file_query;
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mca_io_base_component_file_unquery_fn_t io_file_unquery;
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mca_io_base_component_file_delete_query_fn_t io_delete_query;
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mca_io_base_component_file_delete_unselect_fn_t io_delete_unquery;
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mca_io_base_component_file_delete_select_fn_t io_delete_select;
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mca_io_base_component_progress_fn_t io_progress;
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mca_io_base_component_register_datarep_fn_t io_register_datarep;
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};
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typedef struct mca_io_base_component_2_0_0_t mca_io_base_component_2_0_0_t;
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/*
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* All component versions
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*/
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union mca_io_base_components_t {
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mca_io_base_component_2_0_0_t v2_0_0;
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};
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typedef union mca_io_base_components_t mca_io_base_components_t;
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/*
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* Module v2.0.0
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*/
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/**
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* Initialize a request for use by the io module.
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*
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* @param module (IN) IO module
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* @param request (IN) Pointer to allocated request.
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*
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* To reduce latency (number of required allocations), the io base
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* allocates additional space along with each request that may be used
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* by the io module for additional control information. If the io
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* module intends to use this space, the io_request_bytes attribute
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* should be set to reflect the number of bytes above
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* sizeof(mca_io_base_request_t) are needed by the io component. This
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* space is allocated contiguously along with the
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* mca_io_base_request_t with the space immediately following the base
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* request available to the io module.
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*
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* This init function is called the first time the request is created
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* by the io base. On completion of the request, the io base will
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* cache the request for later use by the same io module. When the
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* request is re-used from the cache, this init function is NOT called
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* again.
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*/
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typedef int (*mca_io_base_module_request_once_init_fn_t)(
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union mca_io_base_modules_t* module_union,
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struct mca_io_base_request_t* request);
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/**
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* Cleanup any resources that may have been associated with the
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* request by the io module.
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*
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* @param module (IN) io module
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* @param request (IN) Pointer to allocated request.
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*
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* This function is called when the io base removes a request from the
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* io module's cache (due to resource constraints) or the cache limit
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* has been reached, prior to re-using the request for another io
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* module. This provides the io module the chance to cleanup/release
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* any resources cached on the request by the io module.
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*/
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typedef int (*mca_io_base_module_request_once_finalize_fn_t)(
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union mca_io_base_modules_t* module_union,
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struct mca_io_base_request_t* request);
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typedef int (*mca_io_base_module_request_fini_fn_t)(
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struct ompi_file_t *file,
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union mca_io_base_modules_t* module_union,
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struct mca_io_base_request_t* request);
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typedef int (*mca_io_base_module_file_open_fn_t)
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(struct ompi_communicator_t *comm, char *filename, int amode,
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struct ompi_info_t *info, struct ompi_file_t *fh);
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typedef int (*mca_io_base_module_file_close_fn_t)(struct ompi_file_t *fh);
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typedef int (*mca_io_base_module_file_set_size_fn_t)
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(struct ompi_file_t *fh, MPI_Offset size);
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typedef int (*mca_io_base_module_file_preallocate_fn_t)
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(struct ompi_file_t *fh, MPI_Offset size);
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typedef int (*mca_io_base_module_file_get_size_fn_t)
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(struct ompi_file_t *fh, MPI_Offset *size);
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typedef int (*mca_io_base_module_file_get_amode_fn_t)
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(struct ompi_file_t *fh, int *amode);
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typedef int (*mca_io_base_module_file_set_info_fn_t)
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(struct ompi_file_t *fh, struct ompi_info_t *info);
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typedef int (*mca_io_base_module_file_get_info_fn_t)
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(struct ompi_file_t *fh, struct ompi_info_t **info_used);
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typedef int (*mca_io_base_module_file_set_view_fn_t)
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(struct ompi_file_t *fh, MPI_Offset disp, struct ompi_datatype_t *etype,
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struct ompi_datatype_t *filetype, char *datarep,
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struct ompi_info_t *info);
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typedef int (*mca_io_base_module_file_get_view_fn_t)
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(struct ompi_file_t *fh, MPI_Offset *disp,
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struct ompi_datatype_t **etype, struct ompi_datatype_t **filetype,
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char *datarep);
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typedef int (*mca_io_base_module_file_read_at_fn_t)
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(struct ompi_file_t *fh, MPI_Offset offset, void *buf,
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int count, struct ompi_datatype_t *datatype,
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struct ompi_status_public_t *status);
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typedef int (*mca_io_base_module_file_read_at_all_fn_t)
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(struct ompi_file_t *fh, MPI_Offset offset, void *buf,
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int count, struct ompi_datatype_t *datatype,
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struct ompi_status_public_t *status);
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typedef int (*mca_io_base_module_file_write_at_fn_t)
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(struct ompi_file_t *fh, MPI_Offset offset, void *buf,
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int count, struct ompi_datatype_t *datatype,
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struct ompi_status_public_t *status);
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typedef int (*mca_io_base_module_file_write_at_all_fn_t)
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(struct ompi_file_t *fh, MPI_Offset offset, void *buf,
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int count, struct ompi_datatype_t *datatype,
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struct ompi_status_public_t *status);
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typedef int (*mca_io_base_module_file_iread_at_fn_t)
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(struct ompi_file_t *fh, MPI_Offset offset, void *buf,
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int count, struct ompi_datatype_t *datatype,
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struct mca_io_base_request_t *request);
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typedef int (*mca_io_base_module_file_iwrite_at_fn_t)
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(struct ompi_file_t *fh, MPI_Offset offset, void *buf,
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int count, struct ompi_datatype_t *datatype,
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struct mca_io_base_request_t *request);
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typedef int (*mca_io_base_module_file_read_fn_t)
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(struct ompi_file_t *fh, void *buf, int count, struct ompi_datatype_t *
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datatype, struct ompi_status_public_t *status);
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typedef int (*mca_io_base_module_file_read_all_fn_t)
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(struct ompi_file_t *fh, void *buf, int count, struct ompi_datatype_t *
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datatype, struct ompi_status_public_t *status);
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typedef int (*mca_io_base_module_file_write_fn_t)
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(struct ompi_file_t *fh, void *buf, int count, struct ompi_datatype_t *
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datatype, struct ompi_status_public_t *status);
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typedef int (*mca_io_base_module_file_write_all_fn_t)
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(struct ompi_file_t *fh, void *buf, int count, struct ompi_datatype_t *
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datatype, struct ompi_status_public_t *status);
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typedef int (*mca_io_base_module_file_iread_fn_t)
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(struct ompi_file_t *fh, void *buf, int count, struct ompi_datatype_t *
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datatype, struct mca_io_base_request_t *request);
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typedef int (*mca_io_base_module_file_iwrite_fn_t)
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(struct ompi_file_t *fh, void *buf, int count,
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struct ompi_datatype_t *datatype, struct mca_io_base_request_t *request);
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typedef int (*mca_io_base_module_file_seek_fn_t)
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(struct ompi_file_t *fh, MPI_Offset offset, int whence);
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typedef int (*mca_io_base_module_file_get_position_fn_t)
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(struct ompi_file_t *fh, MPI_Offset *offset);
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typedef int (*mca_io_base_module_file_get_byte_offset_fn_t)
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(struct ompi_file_t *fh, MPI_Offset offset, MPI_Offset *disp);
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typedef int (*mca_io_base_module_file_read_shared_fn_t)
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(struct ompi_file_t *fh, void *buf, int count,
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struct ompi_datatype_t *datatype, struct ompi_status_public_t *status);
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typedef int (*mca_io_base_module_file_write_shared_fn_t)
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(struct ompi_file_t *fh, void *buf, int count,
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struct ompi_datatype_t *datatype, struct ompi_status_public_t *status);
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typedef int (*mca_io_base_module_file_iread_shared_fn_t)
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(struct ompi_file_t *fh, void *buf, int count,
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struct ompi_datatype_t *datatype, struct mca_io_base_request_t *request);
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typedef int (*mca_io_base_module_file_iwrite_shared_fn_t)
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(struct ompi_file_t *fh, void *buf, int count,
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struct ompi_datatype_t *datatype, struct mca_io_base_request_t *request);
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typedef int (*mca_io_base_module_file_read_ordered_fn_t)
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(struct ompi_file_t *fh, void *buf, int count,
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struct ompi_datatype_t *datatype, struct ompi_status_public_t *status);
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typedef int (*mca_io_base_module_file_write_ordered_fn_t)
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(struct ompi_file_t *fh, void *buf, int count,
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struct ompi_datatype_t *datatype, struct ompi_status_public_t *status);
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typedef int (*mca_io_base_module_file_seek_shared_fn_t)
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(struct ompi_file_t *fh, MPI_Offset offset, int whence);
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typedef int (*mca_io_base_module_file_get_position_shared_fn_t)
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(struct ompi_file_t *fh, MPI_Offset *offset);
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typedef int (*mca_io_base_module_file_read_at_all_begin_fn_t)
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(struct ompi_file_t *fh, MPI_Offset offset, void *buf,
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int count, struct ompi_datatype_t *datatype);
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typedef int (*mca_io_base_module_file_read_at_all_end_fn_t)
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(struct ompi_file_t *fh, void *buf, struct ompi_status_public_t *status);
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typedef int (*mca_io_base_module_file_write_at_all_begin_fn_t)
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(struct ompi_file_t *fh, MPI_Offset offset, void *buf,
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int count, struct ompi_datatype_t *datatype);
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typedef int (*mca_io_base_module_file_write_at_all_end_fn_t)
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(struct ompi_file_t *fh, void *buf, struct ompi_status_public_t *status);
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typedef int (*mca_io_base_module_file_read_all_begin_fn_t)
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(struct ompi_file_t *fh, void *buf, int count,
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struct ompi_datatype_t *datatype);
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typedef int (*mca_io_base_module_file_read_all_end_fn_t)
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(struct ompi_file_t *fh, void *buf, struct ompi_status_public_t *status);
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typedef int (*mca_io_base_module_file_write_all_begin_fn_t)
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(struct ompi_file_t *fh, void *buf, int count,
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struct ompi_datatype_t *datatype);
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typedef int (*mca_io_base_module_file_write_all_end_fn_t)
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(struct ompi_file_t *fh, void *buf, struct ompi_status_public_t *status);
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typedef int (*mca_io_base_module_file_read_ordered_begin_fn_t)
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(struct ompi_file_t *fh, void *buf, int count,
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struct ompi_datatype_t *datatype);
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typedef int (*mca_io_base_module_file_read_ordered_end_fn_t)
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(struct ompi_file_t *fh, void *buf, struct ompi_status_public_t *status);
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typedef int (*mca_io_base_module_file_write_ordered_begin_fn_t)
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(struct ompi_file_t *fh, void *buf, int count,
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struct ompi_datatype_t *datatype);
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typedef int (*mca_io_base_module_file_write_ordered_end_fn_t)
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(struct ompi_file_t *fh, void *buf, struct ompi_status_public_t *status);
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typedef int (*mca_io_base_module_file_get_type_extent_fn_t)
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(struct ompi_file_t *fh, struct ompi_datatype_t *datatype,
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MPI_Aint *extent);
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typedef int (*mca_io_base_module_file_set_atomicity_fn_t)
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(struct ompi_file_t *fh, int flag);
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typedef int (*mca_io_base_module_file_get_atomicity_fn_t)
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(struct ompi_file_t *fh, int *flag);
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typedef int (*mca_io_base_module_file_sync_fn_t)(struct ompi_file_t *fh);
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struct mca_io_base_module_2_0_0_t {
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/** Once-per-process request initializtion function */
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mca_io_base_module_request_once_init_fn_t io_module_request_once_init;
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/** Once-per-process request finalization function */
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mca_io_base_module_request_once_finalize_fn_t io_module_request_once_finalize;
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/** Free a request (per usage) */
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ompi_request_free_fn_t io_module_request_free;
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/** Cancel a request (per usage) */
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ompi_request_cancel_fn_t io_module_request_cancel;
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/* Back-ends to MPI API calls (pretty much a 1-to-1 mapping) */
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mca_io_base_module_file_open_fn_t io_module_file_open;
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mca_io_base_module_file_close_fn_t io_module_file_close;
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mca_io_base_module_file_set_size_fn_t io_module_file_set_size;
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mca_io_base_module_file_preallocate_fn_t io_module_file_preallocate;
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mca_io_base_module_file_get_size_fn_t io_module_file_get_size;
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mca_io_base_module_file_get_amode_fn_t io_module_file_get_amode;
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mca_io_base_module_file_set_info_fn_t io_module_file_set_info;
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mca_io_base_module_file_get_info_fn_t io_module_file_get_info;
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mca_io_base_module_file_set_view_fn_t io_module_file_set_view;
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mca_io_base_module_file_get_view_fn_t io_module_file_get_view;
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mca_io_base_module_file_read_at_fn_t io_module_file_read_at;
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mca_io_base_module_file_read_at_all_fn_t io_module_file_read_at_all;
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mca_io_base_module_file_write_at_fn_t io_module_file_write_at;
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mca_io_base_module_file_write_at_all_fn_t io_module_file_write_at_all;
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mca_io_base_module_file_iread_at_fn_t io_module_file_iread_at;
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mca_io_base_module_file_iwrite_at_fn_t io_module_file_iwrite_at;
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mca_io_base_module_file_read_fn_t io_module_file_read;
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mca_io_base_module_file_read_all_fn_t io_module_file_read_all;
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mca_io_base_module_file_write_fn_t io_module_file_write;
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mca_io_base_module_file_write_all_fn_t io_module_file_write_all;
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mca_io_base_module_file_iread_fn_t io_module_file_iread;
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mca_io_base_module_file_iwrite_fn_t io_module_file_iwrite;
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mca_io_base_module_file_seek_fn_t io_module_file_seek;
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mca_io_base_module_file_get_position_fn_t io_module_file_get_position;
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mca_io_base_module_file_get_byte_offset_fn_t io_module_file_get_byte_offset;
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mca_io_base_module_file_read_shared_fn_t io_module_file_read_shared;
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mca_io_base_module_file_write_shared_fn_t io_module_file_write_shared;
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mca_io_base_module_file_iread_shared_fn_t io_module_file_iread_shared;
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mca_io_base_module_file_iwrite_shared_fn_t io_module_file_iwrite_shared;
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mca_io_base_module_file_read_ordered_fn_t io_module_file_read_ordered;
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mca_io_base_module_file_write_ordered_fn_t io_module_file_write_ordered;
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mca_io_base_module_file_seek_shared_fn_t io_module_file_seek_shared;
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mca_io_base_module_file_get_position_shared_fn_t io_module_file_get_position_shared;
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mca_io_base_module_file_read_at_all_begin_fn_t io_module_file_read_at_all_begin;
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mca_io_base_module_file_read_at_all_end_fn_t io_module_file_read_at_all_end;
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mca_io_base_module_file_write_at_all_begin_fn_t io_module_file_write_at_all_begin;
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mca_io_base_module_file_write_at_all_end_fn_t io_module_file_write_at_all_end;
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mca_io_base_module_file_read_all_begin_fn_t io_module_file_read_all_begin;
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mca_io_base_module_file_read_all_end_fn_t io_module_file_read_all_end;
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mca_io_base_module_file_write_all_begin_fn_t io_module_file_write_all_begin;
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mca_io_base_module_file_write_all_end_fn_t io_module_file_write_all_end;
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mca_io_base_module_file_read_ordered_begin_fn_t io_module_file_read_ordered_begin;
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mca_io_base_module_file_read_ordered_end_fn_t io_module_file_read_ordered_end;
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mca_io_base_module_file_write_ordered_begin_fn_t io_module_file_write_ordered_begin;
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mca_io_base_module_file_write_ordered_end_fn_t io_module_file_write_ordered_end;
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mca_io_base_module_file_get_type_extent_fn_t io_module_file_get_type_extent;
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mca_io_base_module_file_set_atomicity_fn_t io_module_file_set_atomicity;
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mca_io_base_module_file_get_atomicity_fn_t io_module_file_get_atomicity;
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mca_io_base_module_file_sync_fn_t io_module_file_sync;
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};
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typedef struct mca_io_base_module_2_0_0_t mca_io_base_module_2_0_0_t;
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/*
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* All module versions
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*/
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union mca_io_base_modules_t {
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mca_io_base_module_2_0_0_t v2_0_0;
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};
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typedef union mca_io_base_modules_t mca_io_base_modules_t;
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#endif /* MCA_IO_H */
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