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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) 2004-2020 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) 2011 Sandia National Laboratories. All rights reserved.
* Copyright (c) 2015 Los Alamos National Security, LLC. All rights
* reserved.
* Copyright (c) 2018 IBM Corporation. All rights reserved.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
#include "ompi_config.h"
#include "ompi/communicator/communicator.h"
#include "ompi/mca/pml/base/pml_base_request.h"
#include "ompi/mca/pml/base/pml_base_bsend.h"
#include "ompi/mca/pml/base/base.h"
#include "pml_cm.h"
#include "pml_cm_sendreq.h"
#include "pml_cm_recvreq.h"
#include "pml_cm_component.h"
ompi_pml_cm_t ompi_pml_cm = {
{
.pml_add_procs = mca_pml_cm_add_procs,
.pml_del_procs = mca_pml_cm_del_procs,
.pml_enable = mca_pml_cm_enable,
.pml_progress = NULL, /* No progress function. The MTL register their own */
.pml_add_comm = mca_pml_cm_add_comm,
.pml_del_comm = mca_pml_cm_del_comm,
.pml_irecv_init = mca_pml_cm_irecv_init,
.pml_irecv = mca_pml_cm_irecv,
.pml_recv = mca_pml_cm_recv,
.pml_isend_init = mca_pml_cm_isend_init,
.pml_isend = mca_pml_cm_isend,
.pml_send = mca_pml_cm_send,
.pml_iprobe = mca_pml_cm_iprobe,
.pml_probe = mca_pml_cm_probe,
.pml_start = mca_pml_cm_start,
.pml_improbe = mca_pml_cm_improbe,
.pml_mprobe = mca_pml_cm_mprobe,
.pml_imrecv = mca_pml_cm_imrecv,
.pml_mrecv = mca_pml_cm_mrecv,
.pml_dump = mca_pml_cm_dump,
.pml_max_contextid = 0,
.pml_max_tag = 0,
.pml_flags = 0 /* flags */
}
};
int
mca_pml_cm_enable(bool enable)
{
/* BWB - FIX ME - need to have this actually do something,
maybe? */
opal_free_list_init (&mca_pml_base_send_requests,
sizeof(mca_pml_cm_hvy_send_request_t) + ompi_mtl->mtl_request_size,
opal_cache_line_size,
OBJ_CLASS(mca_pml_cm_hvy_send_request_t),
0,opal_cache_line_size,
ompi_pml_cm.free_list_num,
ompi_pml_cm.free_list_max,
ompi_pml_cm.free_list_inc,
NULL, 0, NULL, NULL, NULL);
opal_free_list_init (&mca_pml_base_recv_requests,
sizeof(mca_pml_cm_hvy_recv_request_t) + ompi_mtl->mtl_request_size,
opal_cache_line_size,
OBJ_CLASS(mca_pml_cm_hvy_recv_request_t),
0,opal_cache_line_size,
ompi_pml_cm.free_list_num,
ompi_pml_cm.free_list_max,
ompi_pml_cm.free_list_inc,
NULL, 0, NULL, NULL, NULL);
return OMPI_SUCCESS;
}
int
mca_pml_cm_add_comm(ompi_communicator_t* comm)
{
/* should never happen, but it was, so check */
if (comm->c_index > ompi_pml_cm.super.pml_max_contextid) {
return OMPI_ERR_OUT_OF_RESOURCE;
}
/* initialize per-communicator data. MTLs may override this. */
comm->c_pml_comm = NULL;
/* notify the MTL about the added communicator */
return OMPI_MTL_CALL(add_comm(ompi_mtl, comm));
}
int
mca_pml_cm_del_comm(ompi_communicator_t* comm)
{
/* notify the MTL about the deleted communicator */
return OMPI_MTL_CALL(del_comm(ompi_mtl, comm));
}
int
mca_pml_cm_add_procs(struct ompi_proc_t** procs, size_t nprocs)
{
int ret;
#if OPAL_ENABLE_HETEROGENEOUS_SUPPORT
for (size_t i = 0 ; i < nprocs ; ++i) {
if (procs[i]->super.proc_arch != ompi_proc_local()->super.proc_arch) {
return OMPI_ERR_NOT_SUPPORTED;
}
}
#endif
/* make sure remote procs are using the same PML as us */
if (OMPI_SUCCESS != (ret = mca_pml_base_pml_check_selected("cm",
procs,
nprocs))) {
return ret;
}
ret = OMPI_MTL_CALL(add_procs(ompi_mtl, nprocs, procs));
return ret;
}
int
mca_pml_cm_del_procs(struct ompi_proc_t** procs, size_t nprocs)
{
int ret;
ret = OMPI_MTL_CALL(del_procs(ompi_mtl, nprocs, procs));
return ret;
}
/* print any available useful information from this communicator */
int
mca_pml_cm_dump(struct ompi_communicator_t* comm, int verbose)
{
return OMPI_ERR_NOT_IMPLEMENTED;
}
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