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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) 2004-2005 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) 2008-2009 Cisco Systems, Inc. All rights reserved.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
#include "ompi_config.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "mpi.h"
#include "opal/class/opal_list.h"
#include "opal/util/output.h"
#include "ompi/mca/mca.h"
#include "opal/mca/base/base.h"
#include "opal/mca/base/mca_base_component_repository.h"
#include "ompi/constants.h"
#include "ompi/mca/op/op.h"
#include "ompi/mca/op/base/base.h"
/*
* Private functions
*/
static int init_query(const mca_base_component_t * ls,
bool enable_progress_threads,
bool enable_mpi_threads);
static int init_query_1_0_0(const mca_base_component_t * ls,
bool enable_progress_threads,
bool enable_mpi_threads);
/*
* Scan down the list of successfully opened components and query each
* of them (the opened list will be one or more components. If the
* user requested a specific set of components, they will be the only
* components in the opened list). Create and populate the available
* list of all components who indicate that they want to be considered
* for selection. Close all components who do not want to be
* considered for selection. Finally, destroy the "opened" list,
* because the only the "available" list is relevant now.
*/
int ompi_op_base_find_available(bool enable_progress_threads,
bool enable_mpi_threads)
{
mca_base_component_list_item_t *cli, *next;
/* The list of components that we should check has already been
established in ompi_op_base_open. */
OPAL_LIST_FOREACH_SAFE(cli, next, &ompi_op_base_framework.framework_components, mca_base_component_list_item_t) {
const mca_base_component_t *component = cli->cli_component;
/* Call a subroutine to do the work, because the component may
represent different versions of the op MCA. */
if (OMPI_SUCCESS != init_query(component,
enable_progress_threads,
enable_mpi_threads)) {
/* If the component doesn't want to run, then close it. */
opal_list_remove_item(&ompi_op_base_framework.framework_components, &cli->super);
mca_base_component_close(component, ompi_op_base_framework.framework_output);
OBJ_RELEASE(cli);
}
}
/* It is not an error if there are no components available; we'll
just fall back to the base functions. */
return OMPI_SUCCESS;
}
/*
* Query a component, see if it wants to run at all. If it does, save
* some information. If it doesn't, close it.
*/
static int init_query(const mca_base_component_t * c,
bool enable_progress_threads, bool enable_mpi_threads)
{
int ret;
opal_output_verbose(10, ompi_op_base_framework.framework_output,
"op:find_available: querying op component %s",
c->mca_component_name);
/* This component has already been successfully opened. So now
query it. */
if (1 == c->mca_type_major_version &&
0 == c->mca_type_minor_version &&
0 == c->mca_type_release_version) {
ret = init_query_1_0_0(c, enable_progress_threads,
enable_mpi_threads);
} else {
/* Unrecognized op API version */
opal_output_verbose(10, ompi_op_base_framework.framework_output,
"op:find_available: unrecognized op API version (%d.%d.%d, ignored)",
c->mca_type_major_version,
c->mca_type_minor_version,
c->mca_type_release_version);
return OMPI_ERROR;
}
/* Query done -- look at the return value to see what happened */
if (OMPI_SUCCESS != ret) {
opal_output_verbose(10, ompi_op_base_framework.framework_output,
"op:find_available: op component %s is not available",
c->mca_component_name);
} else {
opal_output_verbose(10, ompi_op_base_framework.framework_output,
"op:find_available: op component %s is available",
c->mca_component_name);
}
/* All done */
return ret;
}
/*
* Query a specific component, op v2.0.0
*/
static int init_query_1_0_0(const mca_base_component_t * component,
bool enable_progress_threads,
bool enable_mpi_threads)
{
ompi_op_base_component_1_0_0_t *op =
(ompi_op_base_component_1_0_0_t *) component;
return op->opc_init_query(enable_progress_threads,
enable_mpi_threads);
}
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