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/*
* Copyright (c) 2004-2005 The Trustees of Indiana University and Indiana
* University Research and Technology
* Corporation. All rights reserved.
* Copyright (c) 2004-2016 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) 2008-2019 University of Houston. All rights reserved.
* Copyright (c) 2015-2018 Research Organization for Information Science
* and Technology (RIST). All rights reserved.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
#include "ompi_config.h"
#include "ompi/communicator/communicator.h"
#include "ompi/info/info.h"
#include "ompi/file/file.h"
#include "ompi/mca/fs/fs.h"
#include "ompi/mca/fs/base/base.h"
#include "ompi/mca/fcoll/fcoll.h"
#include "ompi/mca/fcoll/base/base.h"
#include "ompi/mca/fbtl/fbtl.h"
#include "ompi/mca/fbtl/base/base.h"
#include "ompi/mca/sharedfp/sharedfp.h"
#include "ompi/mca/sharedfp/base/base.h"
#include "io_ompio.h"
#include "ompi/mca/common/ompio/common_ompio_request.h"
#include "math.h"
#include <unistd.h>
/* Read and write routines are split into two interfaces.
** The
** mca_io_ompio_file_read/write[_at]
**
** routines are the ones registered with the ompio modules.
** The
**
** mca_common_ompio_file_read/write[_at]
**
** routesin are used e.g. from the shared file pointer modules.
** The main difference is, that the first one takes an ompi_file_t
** as a file pointer argument, while the second uses the ompio internal
** ompio_file_t structure.
*/
int mca_io_ompio_file_write (ompi_file_t *fp,
const void *buf,
int count,
struct ompi_datatype_t *datatype,
ompi_status_public_t *status)
{
int ret = OMPI_SUCCESS;
mca_common_ompio_data_t *data;
ompio_file_t *fh;
data = (mca_common_ompio_data_t *) fp->f_io_selected_data;
fh = &data->ompio_fh;
OPAL_THREAD_LOCK(&fp->f_lock);
ret = mca_common_ompio_file_write(fh,buf,count,datatype,status);
OPAL_THREAD_UNLOCK(&fp->f_lock);
return ret;
}
int mca_io_ompio_file_write_at (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 ret = OMPI_SUCCESS;
mca_common_ompio_data_t *data;
data = (mca_common_ompio_data_t *) fh->f_io_selected_data;
OPAL_THREAD_LOCK(&fh->f_lock);
ret = mca_common_ompio_file_write_at (&data->ompio_fh, offset,buf,count,datatype,status);
OPAL_THREAD_UNLOCK(&fh->f_lock);
return ret;
}
int mca_io_ompio_file_iwrite (ompi_file_t *fp,
const void *buf,
int count,
struct ompi_datatype_t *datatype,
ompi_request_t **request)
{
int ret = OMPI_SUCCESS;
mca_common_ompio_data_t *data;
data = (mca_common_ompio_data_t *) fp->f_io_selected_data;
OPAL_THREAD_LOCK(&fp->f_lock);
ret = mca_common_ompio_file_iwrite(&data->ompio_fh,buf,count,datatype,request);
OPAL_THREAD_UNLOCK(&fp->f_lock);
return ret;
}
int mca_io_ompio_file_iwrite_at (ompi_file_t *fh,
OMPI_MPI_OFFSET_TYPE offset,
const void *buf,
int count,
struct ompi_datatype_t *datatype,
ompi_request_t **request)
{
int ret = OMPI_SUCCESS;
mca_common_ompio_data_t *data;
data = (mca_common_ompio_data_t *) fh->f_io_selected_data;
OPAL_THREAD_LOCK(&fh->f_lock);
ret = mca_common_ompio_file_iwrite_at(&data->ompio_fh,offset,buf,count,datatype,request);
OPAL_THREAD_UNLOCK(&fh->f_lock);
return ret;
}
/* Collective operations */
/******************************************************************/
int mca_io_ompio_file_write_all (ompi_file_t *fh,
const void *buf,
int count,
struct ompi_datatype_t *datatype,
ompi_status_public_t *status)
{
int ret = OMPI_SUCCESS;
mca_common_ompio_data_t *data;
data = (mca_common_ompio_data_t *) fh->f_io_selected_data;
OPAL_THREAD_LOCK(&fh->f_lock);
ret = mca_common_ompio_file_write_all (&data->ompio_fh,
buf,
count,
datatype,
status);
OPAL_THREAD_UNLOCK(&fh->f_lock);
if ( MPI_STATUS_IGNORE != status ) {
size_t size;
opal_datatype_type_size (&datatype->super, &size);
status->_ucount = count * size;
}
return ret;
}
int mca_io_ompio_file_write_at_all (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 ret = OMPI_SUCCESS;
mca_common_ompio_data_t *data;
data = (mca_common_ompio_data_t *) fh->f_io_selected_data;
OPAL_THREAD_LOCK(&fh->f_lock);
ret = mca_common_ompio_file_write_at_all(&data->ompio_fh,offset,buf,count,datatype,status);
OPAL_THREAD_UNLOCK(&fh->f_lock);
return ret;
}
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 ret = OMPI_SUCCESS;
mca_common_ompio_data_t *data=NULL;
data = (mca_common_ompio_data_t *) fh->f_io_selected_data;
OPAL_THREAD_LOCK(&fh->f_lock);
ret = mca_common_ompio_file_iwrite_all (&data->ompio_fh,
buf,
count,
datatype,
request);
OPAL_THREAD_UNLOCK(&fh->f_lock);
return ret;
}
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 ret = OMPI_SUCCESS;
mca_common_ompio_data_t *data;
data = (mca_common_ompio_data_t *) fh->f_io_selected_data;
OPAL_THREAD_LOCK(&fh->f_lock);
ret = mca_common_ompio_file_iwrite_at_all ( &data->ompio_fh, offset, buf, count, datatype, request );
OPAL_THREAD_UNLOCK(&fh->f_lock);
return ret;
}
/* Infrastructure for shared file pointer operations */
/* (Individual and collective */
/******************************************************/
int mca_io_ompio_file_write_shared (ompi_file_t *fp,
const void *buf,
int count,
struct ompi_datatype_t *datatype,
ompi_status_public_t * status)
{
int ret = OMPI_SUCCESS;
mca_common_ompio_data_t *data;
ompio_file_t *fh;
mca_sharedfp_base_module_t * shared_fp_base_module;
data = (mca_common_ompio_data_t *) fp->f_io_selected_data;
fh = &data->ompio_fh;
/*get the shared fp module associated with this file*/
shared_fp_base_module = fh->f_sharedfp;
if ( NULL == shared_fp_base_module ){
opal_output(0, "No shared file pointer component found for this communicator. Can not execute\n");
return OMPI_ERROR;
}
OPAL_THREAD_LOCK(&fp->f_lock);
ret = shared_fp_base_module->sharedfp_write(fh,buf,count,datatype,status);
OPAL_THREAD_UNLOCK(&fp->f_lock);
return ret;
}
int mca_io_ompio_file_iwrite_shared (ompi_file_t *fp,
const void *buf,
int count,
struct ompi_datatype_t *datatype,
ompi_request_t **request)
{
int ret = OMPI_SUCCESS;
mca_common_ompio_data_t *data;
ompio_file_t *fh;
mca_sharedfp_base_module_t * shared_fp_base_module;
data = (mca_common_ompio_data_t *) fp->f_io_selected_data;
fh = &data->ompio_fh;
/*get the shared fp module associated with this file*/
shared_fp_base_module = fh->f_sharedfp;
if ( NULL == shared_fp_base_module ){
opal_output(0, "No shared file pointer component found for this communicator. Can not execute\n");
return OMPI_ERROR;
}
OPAL_THREAD_LOCK(&fp->f_lock);
ret = shared_fp_base_module->sharedfp_iwrite(fh,buf,count,datatype,request);
OPAL_THREAD_UNLOCK(&fp->f_lock);
return ret;
}
int mca_io_ompio_file_write_ordered (ompi_file_t *fp,
const void *buf,
int count,
struct ompi_datatype_t *datatype,
ompi_status_public_t * status)
{
int ret = OMPI_SUCCESS;
mca_common_ompio_data_t *data;
ompio_file_t *fh;
mca_sharedfp_base_module_t * shared_fp_base_module;
data = (mca_common_ompio_data_t *) fp->f_io_selected_data;
fh = &data->ompio_fh;
/*get the shared fp module associated with this file*/
shared_fp_base_module = fh->f_sharedfp;
if ( NULL == shared_fp_base_module ){
opal_output(0,"No shared file pointer component found for this communicator. Can not execute\n");
return OMPI_ERROR;
}
OPAL_THREAD_LOCK(&fp->f_lock);
ret = shared_fp_base_module->sharedfp_write_ordered(fh,buf,count,datatype,status);
OPAL_THREAD_UNLOCK(&fp->f_lock);
return ret;
}
int mca_io_ompio_file_write_ordered_begin (ompi_file_t *fp,
const void *buf,
int count,
struct ompi_datatype_t *datatype)
{
int ret = OMPI_SUCCESS;
mca_common_ompio_data_t *data;
ompio_file_t *fh;
mca_sharedfp_base_module_t * shared_fp_base_module;
data = (mca_common_ompio_data_t *) fp->f_io_selected_data;
fh = &data->ompio_fh;
/*get the shared fp module associated with this file*/
shared_fp_base_module = fh->f_sharedfp;
if ( NULL == shared_fp_base_module ){
opal_output(0, "No shared file pointer component found for this communicator. Can not execute\n");
return OMPI_ERROR;
}
OPAL_THREAD_LOCK(&fp->f_lock);
ret = shared_fp_base_module->sharedfp_write_ordered_begin(fh,buf,count,datatype);
OPAL_THREAD_UNLOCK(&fp->f_lock);
return ret;
}
int mca_io_ompio_file_write_ordered_end (ompi_file_t *fp,
const void *buf,
ompi_status_public_t *status)
{
int ret = OMPI_SUCCESS;
mca_common_ompio_data_t *data;
ompio_file_t *fh;
mca_sharedfp_base_module_t * shared_fp_base_module;
data = (mca_common_ompio_data_t *) fp->f_io_selected_data;
fh = &data->ompio_fh;
/*get the shared fp module associated with this file*/
shared_fp_base_module = fh->f_sharedfp;
if ( NULL == shared_fp_base_module ){
opal_output(0, "No shared file pointer component found for this communicator. Can not execute\n");
return OMPI_ERROR;
}
OPAL_THREAD_LOCK(&fp->f_lock);
ret = shared_fp_base_module->sharedfp_write_ordered_end(fh,buf,status);
OPAL_THREAD_UNLOCK(&fp->f_lock);
return ret;
}
/* Split collectives . Not really used but infrastructure is in place */
/**********************************************************************/
int mca_io_ompio_file_write_all_begin (ompi_file_t *fh,
const void *buf,
int count,
struct ompi_datatype_t *datatype)
{
int ret = OMPI_SUCCESS;
ompio_file_t *fp;
mca_common_ompio_data_t *data;
data = (mca_common_ompio_data_t *) fh->f_io_selected_data;
fp = &data->ompio_fh;
if ( true == fp->f_split_coll_in_use ) {
printf("Only one split collective I/O operation allowed per file handle at any given point in time!\n");
return MPI_ERR_OTHER;
}
/* No need for locking fh->f_lock, that is done in file_iwrite_all */
ret = mca_io_ompio_file_iwrite_all ( fh, buf, count, datatype, &fp->f_split_coll_req );
fp->f_split_coll_in_use = true;
return ret;
}
int mca_io_ompio_file_write_all_end (ompi_file_t *fh,
const void *buf,
ompi_status_public_t *status)
{
int ret = OMPI_SUCCESS;
ompio_file_t *fp;
mca_common_ompio_data_t *data;
data = (mca_common_ompio_data_t *) fh->f_io_selected_data;
fp = &data->ompio_fh;
ret = ompi_request_wait ( &fp->f_split_coll_req, status );
/* remove the flag again */
fp->f_split_coll_in_use = false;
return ret;
}
int mca_io_ompio_file_write_at_all_begin (ompi_file_t *fh,
OMPI_MPI_OFFSET_TYPE offset,
const void *buf,
int count,
struct ompi_datatype_t *datatype)
{
int ret = OMPI_SUCCESS;
mca_common_ompio_data_t *data=NULL;
ompio_file_t *fp=NULL;
data = (mca_common_ompio_data_t *) fh->f_io_selected_data;
fp = &data->ompio_fh;
if ( true == fp->f_split_coll_in_use ) {
printf("Only one split collective I/O operation allowed per file handle at any given point in time!\n");
return MPI_ERR_REQUEST;
}
OPAL_THREAD_LOCK(&fh->f_lock);
ret = mca_common_ompio_file_iwrite_at_all ( fp, offset, buf, count, datatype, &fp->f_split_coll_req );
OPAL_THREAD_UNLOCK(&fh->f_lock);
fp->f_split_coll_in_use = true;
return ret;
}
int mca_io_ompio_file_write_at_all_end (ompi_file_t *fh,
const void *buf,
ompi_status_public_t * status)
{
int ret = OMPI_SUCCESS;
mca_common_ompio_data_t *data;
ompio_file_t *fp=NULL;
data = (mca_common_ompio_data_t *) fh->f_io_selected_data;
fp = &data->ompio_fh;
ret = ompi_request_wait ( &fp->f_split_coll_req, status );
/* remove the flag again */
fp->f_split_coll_in_use = false;
return ret;
}
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