/*
 * 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) 2008-2021 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
 *
 * $HEADER$
 */

#ifndef MCA_FCOLL_VULCAN_EXPORT_H
#define MCA_FCOLL_VULCAN_EXPORT_H

#include "ompi_config.h"

#include "mpi.h"
#include "ompi/mca/mca.h"
#include "ompi/mca/fcoll/fcoll.h"
#include "ompi/mca/fcoll/base/base.h"
#include "ompi/mca/common/ompio/common_ompio.h"

#define FCOLL_VULCAN_SHUFFLE_TAG 123
#define INIT_LEN 10

BEGIN_C_DECLS

/* Globally exported variables */

extern int mca_fcoll_vulcan_priority;
extern int mca_fcoll_vulcan_num_groups;
extern int mca_fcoll_vulcan_write_chunksize;
extern int mca_fcoll_vulcan_async_io;

OMPI_DECLSPEC extern mca_fcoll_base_component_2_0_0_t mca_fcoll_vulcan_component;

/* API functions */

int mca_fcoll_vulcan_component_init_query(bool enable_progress_threads,
                                           bool enable_mpi_threads);
struct mca_fcoll_base_module_1_0_0_t *
mca_fcoll_vulcan_component_file_query (ompio_file_t *fh, int *priority);

int mca_fcoll_vulcan_component_file_unquery (ompio_file_t *file);

int mca_fcoll_vulcan_module_init (ompio_file_t *file);
int mca_fcoll_vulcan_module_finalize (ompio_file_t *file);

int mca_fcoll_vulcan_file_write_all (struct ompio_file_t *fh,
                                     const void *buf,
                                     int count,
                                     struct ompi_datatype_t *datatype,
                                     ompi_status_public_t * status);
int mca_fcoll_vulcan_file_read_all (struct ompio_file_t *fh,
                                    void *buf,
                                    int count,
                                    struct ompi_datatype_t *datatype,
                                    ompi_status_public_t * status);


END_C_DECLS

#endif /* MCA_FCOLL_VULCAN_EXPORT_H */
