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/* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil -*- */
/*
* Copyright (c) 2006-2007 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) 2004-2006 The Regents of the University of California.
* All rights reserved.
* Copyright (c) 2010-2012 Cisco Systems, Inc. All rights reserved.
* Copyright (c) 2013 Sandia National Laboratories. All rights reserved.
* Copyright (c) 2015 Los Alamos National Security, LLC. All rights
* reserved.
* Copyright (c) 2020 Amazon.com, Inc. or its affiliates.
* All Rights reserved.
* Copyright (c) 2022 IBM Corporation. All rights reserved
* Copyright (c) 2023 Jeffrey M. Squyres. All rights reserved.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
#include "ompi_config.h"
#include "pml_cm.h"
#include "opal/util/event.h"
#include "ompi/mca/mtl/mtl.h"
#include "ompi/mca/mtl/base/base.h"
#include "ompi/mca/pml/base/pml_base_bsend.h"
#include "pml_cm_sendreq.h"
#include "pml_cm_recvreq.h"
#include "pml_cm_component.h"
static int mca_pml_cm_component_register(void);
static int mca_pml_cm_component_open(void);
static int mca_pml_cm_component_close(void);
static mca_pml_base_module_t* mca_pml_cm_component_init( int* priority,
bool enable_progress_threads, bool enable_mpi_threads);
static int mca_pml_cm_component_fini(void);
mca_pml_base_component_2_1_0_t mca_pml_cm_component = {
/* First, the mca_base_component_t struct containing meta
* information about the component itself */
.pmlm_version = {
MCA_PML_BASE_VERSION_2_1_0,
.mca_component_name = "cm",
MCA_BASE_MAKE_VERSION(component, OMPI_MAJOR_VERSION, OMPI_MINOR_VERSION,
OMPI_RELEASE_VERSION),
.mca_open_component = mca_pml_cm_component_open,
.mca_close_component = mca_pml_cm_component_close,
.mca_register_component_params = mca_pml_cm_component_register,
},
.pmlm_data = {
/* This component is not checkpoint ready */
MCA_BASE_METADATA_PARAM_NONE
},
.pmlm_init = mca_pml_cm_component_init,
.pmlm_finalize = mca_pml_cm_component_fini,
};
static int
mca_pml_cm_component_register(void)
{
ompi_pml_cm.free_list_num = 4;
(void) mca_base_component_var_register(&mca_pml_cm_component.pmlm_version, "free_list_num",
"Initial size of request free lists",
MCA_BASE_VAR_TYPE_INT, NULL, 0, 0,
OPAL_INFO_LVL_9,
MCA_BASE_VAR_SCOPE_READONLY,
&ompi_pml_cm.free_list_num);
ompi_pml_cm.free_list_max = -1;
(void) mca_base_component_var_register(&mca_pml_cm_component.pmlm_version, "free_list_max",
"Maximum size of request free lists",
MCA_BASE_VAR_TYPE_INT, NULL, 0, 0,
OPAL_INFO_LVL_9,
MCA_BASE_VAR_SCOPE_READONLY,
&ompi_pml_cm.free_list_max);
ompi_pml_cm.free_list_inc = 64;
(void) mca_base_component_var_register(&mca_pml_cm_component.pmlm_version, "free_list_inc",
"Number of elements to add when growing request free lists",
MCA_BASE_VAR_TYPE_INT, NULL, 0, 0,
OPAL_INFO_LVL_9,
MCA_BASE_VAR_SCOPE_READONLY,
&ompi_pml_cm.free_list_inc);
return OPAL_SUCCESS;
}
static int
mca_pml_cm_component_open(void)
{
int ret;
ret = mca_base_framework_open(&ompi_mtl_base_framework, 0);
if (OMPI_SUCCESS == ret) {
/* If no MTL components initialized CM component can be unloaded */
if (0 == opal_list_get_size(&ompi_mtl_base_framework.framework_components)) {
ret = OPAL_ERR_NOT_AVAILABLE;
}
}
return ret;
}
static int
mca_pml_cm_component_close(void)
{
return mca_base_framework_close(&ompi_mtl_base_framework);
}
static mca_pml_base_module_t*
mca_pml_cm_component_init(int* priority,
bool enable_progress_threads,
bool enable_mpi_threads)
{
int ret;
*priority = -1;
opal_output_verbose( 10, 0,
"in cm pml priority is %d\n", *priority);
/* find a usable MTL */
ret = ompi_mtl_base_select(enable_progress_threads, enable_mpi_threads, priority);
if (OMPI_SUCCESS != ret) {
return NULL;
}
if (ompi_mtl->mtl_flags & MCA_MTL_BASE_FLAG_REQUIRE_WORLD) {
ompi_pml_cm.super.pml_flags |= MCA_PML_BASE_FLAG_REQUIRE_WORLD;
}
if (ompi_mtl->mtl_flags & MCA_MTL_BASE_FLAG_SUPPORTS_EXT_CID) {
ompi_pml_cm.super.pml_flags |= MCA_PML_BASE_FLAG_SUPPORTS_EXT_CID;
}
ompi_pml_cm.super.pml_max_contextid = ompi_mtl->mtl_max_contextid;
ompi_pml_cm.super.pml_max_tag = ompi_mtl->mtl_max_tag;
return &ompi_pml_cm.super;
}
static int
mca_pml_cm_component_fini(void)
{
if (NULL != ompi_mtl) {
return OMPI_MTL_CALL(finalize(ompi_mtl));
}
return OMPI_SUCCESS;
}
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