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/* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil -*- */
/*
* 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) 2004-2006 The Regents of the University of California.
* All rights reserved.
* Copyright (c) 2006 Cisco Systems, Inc. All rights reserved.
* Copyright (c) 2016 Los Alamos National Security, LLC. All rights
* reserved.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
#include "ompi_config.h"
#include "ompi/mca/pml/base/pml_base_request.h"
#include "ompi/mca/pml/base/pml_base_sendreq.h"
#include "ompi/mca/pml/base/pml_base_recvreq.h"
#include "pml_cm.h"
#include "pml_cm_sendreq.h"
#include "pml_cm_recvreq.h"
int
mca_pml_cm_start(size_t count, ompi_request_t** requests)
{
int rc;
for (size_t i = 0 ; i < count ; i++) {
mca_pml_cm_request_t *pml_request = (mca_pml_cm_request_t*)requests[i];
if (OMPI_REQUEST_PML != requests[i]->req_type || NULL == pml_request) {
continue;
}
/* start the request */
switch (pml_request->req_pml_type) {
case MCA_PML_CM_REQUEST_SEND_HEAVY:
{
mca_pml_cm_hvy_send_request_t* sendreq =
(mca_pml_cm_hvy_send_request_t*)pml_request;
if (!sendreq->req_send.req_base.req_pml_complete) {
ompi_request_t *request;
/* buffered sends can be mpi complete and pml incomplete. to support this
* case we need to allocate a new request. */
rc = mca_pml_cm_isend_init (sendreq->req_addr,
sendreq->req_count,
sendreq->req_send.req_base.req_datatype,
sendreq->req_peer,
sendreq->req_tag,
sendreq->req_send.req_send_mode,
sendreq->req_send.req_base.req_comm,
&request);
if (OPAL_UNLIKELY(OMPI_SUCCESS != rc)) {
return rc;
}
/* copy the callback and callback data to the new requests */
request->req_complete_cb = pml_request->req_ompi.req_complete_cb;
request->req_complete_cb_data = pml_request->req_ompi.req_complete_cb_data;
/* ensure the old request gets released */
pml_request->req_free_called = true;
sendreq = (mca_pml_cm_hvy_send_request_t *) request;
requests[i] = request;
}
/* reset the completion flag */
sendreq->req_send.req_base.req_pml_complete = false;
MCA_PML_CM_HVY_SEND_REQUEST_START(sendreq, rc);
if(rc != OMPI_SUCCESS)
return rc;
break;
}
case MCA_PML_CM_REQUEST_RECV_HEAVY:
{
mca_pml_cm_hvy_recv_request_t* recvreq =
(mca_pml_cm_hvy_recv_request_t*)pml_request;
MCA_PML_CM_HVY_RECV_REQUEST_START(recvreq, rc);
if(rc != OMPI_SUCCESS)
return rc;
break;
}
default:
return OMPI_ERR_REQUEST;
}
}
return OMPI_SUCCESS;
}
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