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openmpi/ompi/mca/io/ompio/io_ompio.h
Edgar Gabriel ff130e7a9c ompio: resync v4.1 branch to master 
this commit syncs ompio related directories in v4.1.x to master. The efforts to bring the lustre performance fixes and support for external32 data representation over were too overwhelming when dealing with every single pr individually.

There are a very few minor modification that had to be done for syncing:
 - v4.1.x does not have opal/mutex.h
 - v4.1.x does not have opal_atomic_int32_t datatype
 - the io module structure has two fewer function pointers (related to info_set/get) compared to the version on master.

Tested so far with the ompio testsuite as well as hdf5-1.10.5 testsuite (testphdf5, t_shapesame, t_bigio) on an XFS file system.
More tests on Lustre and BeeGFS to follow.

Signed-off-by: Edgar Gabriel <egabriel@central.uh.edu>
2020-12-17 17:44:26 -06:00

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C
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/* -*- Mode: C; c-basic-offset:4 ; -*- */
/*
* Copyright (c) 2004-2005 The Trustees of Indiana University and Indiana
* University Research and Technology
* Corporation. All rights reserved.
* Copyright (c) 2004-2007 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) 2008-2018 University of Houston. All rights reserved.
* Copyright (c) 2015-2018 Research Organization for Information Science
* and Technology (RIST). All rights reserved.
* Copyright (c) 2016-2017 IBM Corporation. All rights reserved.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
#ifndef MCA_IO_OMPIO_H
#define MCA_IO_OMPIO_H
#include <fcntl.h>
#include "mpi.h"
#include "opal/class/opal_list.h"
#include "ompi/errhandler/errhandler.h"
#include "ompi/file/file.h"
#include "ompi/mca/io/io.h"
#include "ompi/mca/fs/fs.h"
#include "ompi/mca/fcoll/fcoll.h"
#include "ompi/mca/fbtl/fbtl.h"
#include "ompi/mca/sharedfp/sharedfp.h"
#include "ompi/communicator/communicator.h"
#include "ompi/info/info.h"
#include "opal/datatype/opal_convertor.h"
#include "ompi/datatype/ompi_datatype.h"
#include "ompi/request/request.h"
#include "ompi/mca/common/ompio/common_ompio.h"
extern int mca_io_ompio_cycle_buffer_size;
extern int mca_io_ompio_bytes_per_agg;
extern int mca_io_ompio_num_aggregators;
extern int mca_io_ompio_record_offset_info;
extern int mca_io_ompio_grouping_option;
extern int mca_io_ompio_max_aggregators_ratio;
extern int mca_io_ompio_aggregators_cutoff_threshold;
extern int mca_io_ompio_overwrite_amode;
extern int mca_io_ompio_verbose_info_parsing;
OMPI_DECLSPEC extern int mca_io_ompio_coll_timing_info;
#define QUEUESIZE 2048
/*
* General values
*/
#define OMPIO_PREALLOC_MAX_BUF_SIZE 33554432
#define OMPIO_DEFAULT_CYCLE_BUF_SIZE 536870912
#define OMPIO_TAG_GATHER -100
#define OMPIO_TAG_GATHERV -101
#define OMPIO_TAG_BCAST -102
#define OMPIO_TAG_SCATTERV -103
/* ACCESS MODES --- not needed.. just use MPI_MODE_... */
#define OMPIO_MODE_CREATE 1
#define OMPIO_MODE_RDONLY 2
#define OMPIO_MODE_WRONLY 4
#define OMPIO_MODE_RDWR 8
#define OMPIO_MODE_DELETE_ON_CLOSE 16
#define OMPIO_MODE_UNIQUE_OPEN 32
#define OMPIO_MODE_EXCL 64
#define OMPIO_MODE_APPEND 128
#define OMPIO_MODE_SEQUENTIAL 256
/*---------------------------*/
BEGIN_C_DECLS
OMPI_DECLSPEC extern mca_io_base_component_2_0_0_t mca_io_ompio_component;
/*
* global variables, instantiated in module.c
*/
extern opal_mutex_t mca_io_ompio_mutex;
extern mca_io_base_module_2_0_0_t mca_io_ompio_module;
OMPI_DECLSPEC extern mca_io_base_component_2_0_0_t mca_io_ompio_component;
/*Used in extracting offset adj-matrix*/
typedef struct mca_io_ompio_offlen_array_t{
OMPI_MPI_OFFSET_TYPE offset;
MPI_Aint length;
int process_id;
}mca_io_ompio_offlen_array_t;
#include "ompi/mca/common/ompio/common_ompio.h"
#include "ompi/mca/common/ompio/common_ompio_aggregators.h"
/* functions to retrieve the number of aggregators and the size of the
temporary buffer on aggregators from the fcoll modules */
OMPI_DECLSPEC int mca_io_ompio_get_mca_parameter_value ( char *mca_parameter_name, int name_length);
/*
* Function that sorts an io_array according to the offset by filling
* up an array of the indices into the array (HEAP SORT)
*/
OMPI_DECLSPEC int ompi_io_ompio_sort_offlen (mca_io_ompio_offlen_array_t *io_array,
int num_entries,
int *sorted);
OMPI_DECLSPEC int ompi_io_ompio_generate_current_file_view (struct ompio_file_t *fh,
size_t max_data,
struct iovec **f_iov,
int *iov_count);
OMPI_DECLSPEC int ompi_io_ompio_generate_groups (ompio_file_t *fh,
int num_aggregators,
int *root,
int *procs_per_group,
int **ranks);
/*
* ******************************************************************
* ********* functions which are implemented in this module *********
* ******************************************************************
*/
int mca_io_ompio_file_set_view (struct ompi_file_t *fh,
OMPI_MPI_OFFSET_TYPE disp,
struct ompi_datatype_t *etype,
struct ompi_datatype_t *filetype,
const char *datarep,
struct opal_info_t *info);
int mca_io_ompio_file_get_view (struct ompi_file_t *fh,
OMPI_MPI_OFFSET_TYPE *disp,
struct ompi_datatype_t **etype,
struct ompi_datatype_t **filetype,
char *datarep);
int mca_io_ompio_file_open (struct ompi_communicator_t *comm,
const char *filename,
int amode,
struct opal_info_t *info,
struct ompi_file_t *fh);
int mca_io_ompio_file_close (struct ompi_file_t *fh);
int mca_io_ompio_file_set_size (struct ompi_file_t *fh,
OMPI_MPI_OFFSET_TYPE size);
int mca_io_ompio_file_preallocate (struct ompi_file_t *fh,
OMPI_MPI_OFFSET_TYPE size);
int mca_io_ompio_file_get_size (struct ompi_file_t *fh,
OMPI_MPI_OFFSET_TYPE * size);
int mca_io_ompio_file_get_amode (struct ompi_file_t *fh,
int *amode);
int mca_io_ompio_file_sync (struct ompi_file_t *fh);
int mca_io_ompio_file_seek (struct ompi_file_t *fh,
OMPI_MPI_OFFSET_TYPE offet,
int whence);
/* Section 9.3 */
int mca_io_ompio_file_set_view (struct ompi_file_t *fh,
OMPI_MPI_OFFSET_TYPE disp,
struct ompi_datatype_t *etype,
struct ompi_datatype_t *filetype,
const char *datarep,
struct opal_info_t *info);
int mca_io_ompio_file_get_view (struct ompi_file_t *fh,
OMPI_MPI_OFFSET_TYPE *disp,
struct ompi_datatype_t **etype,
struct ompi_datatype_t **filetype,
char *datarep);
/* Section 9.4.2 */
int mca_io_ompio_file_read_at (struct ompi_file_t *fh,
OMPI_MPI_OFFSET_TYPE offset,
void *buf,
int count,
struct ompi_datatype_t *datatype,
ompi_status_public_t *status);
int mca_io_ompio_file_read_at_all (struct ompi_file_t *fh,
OMPI_MPI_OFFSET_TYPE offset,
void *buf,
int count,
struct ompi_datatype_t *datatype,
ompi_status_public_t *status);
int mca_io_ompio_file_write_at (struct ompi_file_t *fh,
OMPI_MPI_OFFSET_TYPE offset,
const void *buf,
int count,
struct ompi_datatype_t *datatype,
ompi_status_public_t *status);
int mca_io_ompio_file_write_at_all (struct ompi_file_t *fh,
OMPI_MPI_OFFSET_TYPE offset,
const void *buf,
int count,
struct ompi_datatype_t *datatype,
ompi_status_public_t *status);
int mca_io_ompio_file_iread_at (struct ompi_file_t *fh,
OMPI_MPI_OFFSET_TYPE offset,
void *buf,
int count,
struct ompi_datatype_t *datatype,
ompi_request_t **request);
int mca_io_ompio_file_iwrite_at (struct ompi_file_t *fh,
OMPI_MPI_OFFSET_TYPE offset,
const void *buf,
int count,
struct ompi_datatype_t *datatype,
ompi_request_t **request);
/* Section 9.4.3 */
int mca_io_ompio_file_read (struct ompi_file_t *fh,
void *buf,
int count,
struct ompi_datatype_t *datatype,
ompi_status_public_t *status);
int mca_io_ompio_file_read_all (struct ompi_file_t *fh,
void *buf,
int count,
struct ompi_datatype_t *datatype,
ompi_status_public_t *status);
int mca_io_ompio_file_iread_all (ompi_file_t *fh,
void *buf,
int count,
struct ompi_datatype_t *datatype,
ompi_request_t **request);
int mca_io_ompio_file_iread_at_all (ompi_file_t *fh,
OMPI_MPI_OFFSET_TYPE offset,
void *buf,
int count,
struct ompi_datatype_t *datatype,
ompi_request_t **request);
int mca_io_ompio_file_write (struct ompi_file_t *fh,
const void *buf,
int count,
struct ompi_datatype_t *datatype,
ompi_status_public_t *status);
int mca_io_ompio_file_write_all (struct ompi_file_t *fh,
const void *buf,
int count,
struct ompi_datatype_t *datatype,
ompi_status_public_t *status);
int mca_io_ompio_file_iwrite_all (ompi_file_t *fh,
const void *buf,
int count,
struct ompi_datatype_t *datatype,
ompi_request_t **request);
int mca_io_ompio_file_iwrite_at_all (ompi_file_t *fh,
OMPI_MPI_OFFSET_TYPE offset,
const void *buf,
int count,
struct ompi_datatype_t *datatype,
ompi_request_t **request);
int mca_io_ompio_file_iread (struct ompi_file_t *fh,
void *buf,
int count,
struct ompi_datatype_t *datatype,
ompi_request_t **request);
int mca_io_ompio_file_iwrite (struct ompi_file_t *fh,
const void *buf,
int count,
struct ompi_datatype_t *datatype,
ompi_request_t **request);
int mca_io_ompio_file_seek (struct ompi_file_t *fh,
OMPI_MPI_OFFSET_TYPE offset,
int whence);
int mca_io_ompio_file_get_position (struct ompi_file_t *fh,
OMPI_MPI_OFFSET_TYPE *offset);
int mca_io_ompio_file_get_byte_offset (struct ompi_file_t *fh,
OMPI_MPI_OFFSET_TYPE offset,
OMPI_MPI_OFFSET_TYPE *disp);
/* Section 9.4.4 */
int mca_io_ompio_file_read_shared (struct ompi_file_t *fh,
void *buf,
int count,
struct ompi_datatype_t *datatype,
ompi_status_public_t *status);
int mca_io_ompio_file_write_shared (struct ompi_file_t *fh,
const void *buf,
int count,
struct ompi_datatype_t *datatype,
ompi_status_public_t *status);
int mca_io_ompio_file_iread_shared (struct ompi_file_t *fh,
void *buf,
int count,
struct ompi_datatype_t *datatype,
ompi_request_t **request);
int mca_io_ompio_file_iwrite_shared (struct ompi_file_t *fh,
const void *buf,
int count,
struct ompi_datatype_t *datatype,
ompi_request_t **request);
int mca_io_ompio_file_read_ordered (struct ompi_file_t *fh,
void *buf,
int count,
struct ompi_datatype_t *datatype,
ompi_status_public_t *status);
int mca_io_ompio_file_write_ordered (struct ompi_file_t *fh,
const void *buf,
int count,
struct ompi_datatype_t *datatype,
ompi_status_public_t *status);
int mca_io_ompio_file_seek_shared (struct ompi_file_t *fh,
OMPI_MPI_OFFSET_TYPE offset,
int whence);
int mca_io_ompio_file_get_position_shared (struct ompi_file_t *fh,
OMPI_MPI_OFFSET_TYPE *offset);
/* Section 9.4.5 */
int mca_io_ompio_file_read_at_all_begin (struct ompi_file_t *fh,
OMPI_MPI_OFFSET_TYPE offset,
void *buf,
int count,
struct ompi_datatype_t *datatype);
int mca_io_ompio_file_read_at_all_end (struct ompi_file_t *fh,
void *buf,
ompi_status_public_t *status);
int mca_io_ompio_file_write_at_all_begin (struct ompi_file_t *fh,
OMPI_MPI_OFFSET_TYPE offset,
const void *buf,
int count,
struct ompi_datatype_t *datatype);
int mca_io_ompio_file_write_at_all_end (struct ompi_file_t *fh,
const void *buf,
ompi_status_public_t *status);
int mca_io_ompio_file_read_all_begin (struct ompi_file_t *fh,
void *buf,
int count,
struct ompi_datatype_t *datatype);
int mca_io_ompio_file_read_all_end (struct ompi_file_t *fh,
void *buf,
ompi_status_public_t *status);
int mca_io_ompio_file_write_all_begin (struct ompi_file_t *fh,
const void *buf,
int count,
struct ompi_datatype_t *datatype);
int mca_io_ompio_file_write_all_end (struct ompi_file_t *fh,
const void *buf,
ompi_status_public_t *status);
int mca_io_ompio_file_read_ordered_begin (struct ompi_file_t *fh,
void *buf,
int count,
struct ompi_datatype_t *datatype);
int mca_io_ompio_file_read_ordered_end (struct ompi_file_t *fh,
void *buf,
ompi_status_public_t *status);
int mca_io_ompio_file_write_ordered_begin (struct ompi_file_t *fh,
const void *buf,
int count,
struct ompi_datatype_t *datatype);
int mca_io_ompio_file_write_ordered_end (struct ompi_file_t *fh,
const void *buf,
struct ompi_status_public_t *status);
/* Section 9.5.1 */
int mca_io_ompio_file_get_type_extent (struct ompi_file_t *fh,
struct ompi_datatype_t *datatype,
MPI_Aint *extent);
/* Section 9.6.1 */
int mca_io_ompio_file_set_atomicity (struct ompi_file_t *fh,
int flag);
int mca_io_ompio_file_get_atomicity (struct ompi_file_t *fh,
int *flag);
int mca_io_ompio_file_sync (struct ompi_file_t *fh);
/*
* ******************************************************************
* ************ functions implemented in this module end ************
* ******************************************************************
*/
END_C_DECLS
#endif /* MCA_IO_OMPIO_H */
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