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/*
* Copyright (c) 2004-2006 The Trustees of Indiana University and Indiana
* University Research and Technology
* Corporation. All rights reserved.
* Copyright (c) 2004-2010 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 QLogic Corporation. All rights reserved.
* Copyright (c) 2006-2007 Los Alamos National Security, LLC. All rights
* reserved.
* Copyright (c) 2013-2015 Intel, Inc. All rights reserved
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
#include "ompi_config.h"
#include "mtl_psm2.h"
#include "mtl_psm2_types.h"
#include "psm2.h"
#include "ompi/communicator/communicator.h"
#include "ompi/message/message.h"
int ompi_mtl_psm2_iprobe(struct mca_mtl_base_module_t* mtl,
struct ompi_communicator_t *comm,
int src,
int tag,
int *flag,
struct ompi_status_public_t *status)
{
psm2_mq_tag_t mqtag, tagsel;
psm2_mq_status2_t mqstat;
psm2_error_t err;
PSM2_MAKE_TAGSEL(src, tag, comm->c_index, mqtag, tagsel);
err = psm2_mq_iprobe2(ompi_mtl_psm2.mq,
PSM2_MQ_ANY_ADDR, &mqtag, &tagsel, &mqstat);
if (err == PSM2_OK) {
*flag = 1;
if(MPI_STATUS_IGNORE != status) {
status->MPI_SOURCE = mqstat.msg_tag.tag1;
status->MPI_TAG = mqstat.msg_tag.tag0;
status->_ucount = mqstat.nbytes;
switch (mqstat.error_code) {
case PSM2_OK:
status->MPI_ERROR = OMPI_SUCCESS;
break;
case PSM2_MQ_TRUNCATION:
status->MPI_ERROR = MPI_ERR_TRUNCATE;
break;
default:
status->MPI_ERROR = MPI_ERR_INTERN;
}
}
return OMPI_SUCCESS;
}
else if (err == PSM2_MQ_INCOMPLETE) {
*flag = 0;
return OMPI_SUCCESS;
}
else
return OMPI_ERROR;
}
int
ompi_mtl_psm2_improbe(struct mca_mtl_base_module_t *mtl,
struct ompi_communicator_t *comm,
int src,
int tag,
int *matched,
struct ompi_message_t **message,
struct ompi_status_public_t *status)
{
struct ompi_message_t* msg;
psm2_mq_tag_t mqtag, tagsel;
psm2_mq_status2_t mqstat;
psm2_mq_req_t mqreq;
psm2_error_t err;
PSM2_MAKE_TAGSEL(src, tag, comm->c_index, mqtag, tagsel);
err = psm2_mq_improbe2(ompi_mtl_psm2.mq,
PSM2_MQ_ANY_ADDR, &mqtag, &tagsel, &mqreq, &mqstat);
if (err == PSM2_OK) {
if(MPI_STATUS_IGNORE != status) {
status->MPI_SOURCE = mqstat.msg_tag.tag1;
status->MPI_TAG = mqstat.msg_tag.tag0;
status->_ucount = mqstat.nbytes;
switch (mqstat.error_code) {
case PSM2_OK:
status->MPI_ERROR = OMPI_SUCCESS;
break;
case PSM2_MQ_TRUNCATION:
status->MPI_ERROR = MPI_ERR_TRUNCATE;
break;
default:
status->MPI_ERROR = MPI_ERR_INTERN;
}
}
msg = ompi_message_alloc();
if(NULL == msg) {
return OMPI_ERR_OUT_OF_RESOURCE;
}
msg->comm = comm;
msg->req_ptr = mqreq;
msg->peer = mqstat.msg_tag.tag1;
msg->count = mqstat.nbytes;
*message = msg;
*matched = 1;
return OMPI_SUCCESS;
} else if(err == PSM2_MQ_INCOMPLETE) {
*matched = 0;
*message = MPI_MESSAGE_NULL;
return OMPI_SUCCESS;
} else {
return OMPI_ERROR;
}
}
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