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openmpi/ompi/mca/bcol/ptpcoll/bcol_ptpcoll_component.c

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4.0 KiB
C
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/* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil -*- */
/*
* Copyright (c) 2009-2012 Oak Ridge National Laboratory. All rights reserved.
* Copyright (c) 2009-2012 Mellanox Technologies. All rights reserved.
* Copyright (c) 2015 Los Alamos National Security, LLC. All rights
* reserved.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
/**
* @file
*
*/
#include "ompi_config.h"
#include <unistd.h>
#include <sys/types.h>
#include <sys/mman.h>
#include <fcntl.h>
#include "ompi/constants.h"
#include "ompi/communicator/communicator.h"
#include "ompi/mca/bcol/bcol.h"
#include "bcol_ptpcoll.h"
#include "ompi/mca/bcol/base/base.h"
#include "bcol_ptpcoll_mca.h"
#include "bcol_ptpcoll_utils.h"
/*
* Public string showing the bcol ptpcoll V2 component version number
*/
const char *mca_bcol_ptpcoll_component_version_string =
"Open MPI bcol - ptpcoll collective MCA component version " OMPI_VERSION;
/*
* Local functions
*/
static int ptpcoll_open(void);
static int ptpcoll_close(void);
/*
* Instantiate the public struct with all of our public information
* and pointers to our public functions in it
*/
mca_bcol_ptpcoll_component_t mca_bcol_ptpcoll_component = {
/* First, fill in the super */
{
/* First, the mca_component_t struct containing meta
information about the component itself */
.bcol_version = {
MCA_BCOL_BASE_VERSION_2_0_0,
/* Component name and version */
.mca_component_name = "ptpcoll",
MCA_BASE_MAKE_VERSION(component, OMPI_MAJOR_VERSION, OMPI_MINOR_VERSION,
OMPI_RELEASE_VERSION),
/* Component open and close functions */
.mca_open_component = ptpcoll_open,
.mca_close_component = ptpcoll_close,
.mca_register_component_params = mca_bcol_ptpcoll_register_mca_params,
},
/* Initialization / querying functions */
.collm_init_query = mca_bcol_ptpcoll_init_query,
.collm_comm_query = mca_bcol_ptpcoll_comm_query,
.init_done = false,
.need_ordering = false,
},
/* component specific */
};
static void
collreq_construct(mca_bcol_ptpcoll_collreq_t *collreq)
{
collreq->requests = NULL;
}
static void
collreq_destruct(mca_bcol_ptpcoll_collreq_t *collreq)
{
if (NULL != collreq->requests) {
free(collreq->requests);
}
}
OBJ_CLASS_INSTANCE(mca_bcol_ptpcoll_collreq_t,
opal_free_list_item_t,
collreq_construct,
collreq_destruct);
/*
* Open the component
*/
static int ptpcoll_open(void)
{
return OMPI_SUCCESS;
}
/*
* Close the component
*/
static int ptpcoll_close(void)
{
return OMPI_SUCCESS;
}
/* query to see if the component is available for use, and can
* satisfy the thread and progress requirements
*/
int mca_bcol_ptpcoll_init_query(bool enable_progress_threads,
bool enable_mpi_threads)
{
/* at this stage there is no reason to disaulify this component */
/* done */
return OMPI_SUCCESS;
}
/* memory management routines */
/* allocte memory - this is a no-op function intended to work with
* mpool2, which will use malloc for allocation, if no other allocator
* is available.
*/
void * bcol_ptpcoll_allocate_memory(size_t length, size_t alignment,
struct mca_bcol_base_module_t *bcol_module)
{
/* do nothing */
return NULL;
}
/*
* register memory - nothing to do
*/
int bcol_ptpcoll_register_memory(void * in_ptr, size_t length, size_t alignment,
struct mca_bcol_base_module_t *bcol_module)
{
/* nothing to do */
return OMPI_SUCCESS;
}
/* deregister memory - nothing to do
*/
int bcol_ptpcoll_deregister_memory( void * in_ptr,
struct mca_bcol_base_module_t *bcol_module)
{
/* nothing to do */
return OMPI_SUCCESS;
}
/* free memory - since we don't allocate, we also don't free */
int bcol_ptpcoll_free_memory(void *ptr,
struct mca_bcol_base_module_t *bcol_module)
{
/* nnthing to do */
return OMPI_SUCCESS;
}