int ompi_mtl_psm_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)
{
uint64_t mqtag, tagsel;
psm_mq_status_t mqstat;
psm_error_t err;
PSM_MAKE_TAGSEL(src, tag, comm->c_contextid, mqtag, tagsel);
err = psm_mq_iprobe(ompi_mtl_psm.mq, mqtag, tagsel, &mqstat);
if (err == PSM_OK) {
*flag = 1;
if(MPI_STATUS_IGNORE != status) {
status->MPI_SOURCE = PSM_GET_MQRANK(mqstat.msg_tag);
status->MPI_TAG = PSM_GET_MQUTAG(mqstat.msg_tag);
status->_ucount = mqstat.nbytes;
switch (mqstat.error_code) {
case PSM_OK:
status->MPI_ERROR = OMPI_SUCCESS;
break;
case PSM_MQ_TRUNCATION:
status->MPI_ERROR = MPI_ERR_TRUNCATE;
break;
default:
status->MPI_ERROR = MPI_ERR_INTERN;
}
}
return OMPI_SUCCESS;
}
else if (err == PSM_MQ_INCOMPLETE) {
*flag = 0;
return OMPI_SUCCESS;
}
else
return OMPI_ERROR;
}
int ompi_mtl_psm_progress( void ) {
psm_error_t err;
mca_mtl_psm_request_t* mtl_psm_request;
psm_mq_status_t psm_status;
psm_mq_req_t req;
int completed = 1;
do {
err = psm_mq_ipeek(ompi_mtl_psm.mq, &req, NULL);
if (err == PSM_MQ_INCOMPLETE) {
return completed;
} else if (err != PSM_OK) {
goto error;
}
completed++;
err = psm_mq_test(&req, &psm_status);
if (err != PSM_OK) {
goto error;
}
mtl_psm_request = (mca_mtl_psm_request_t*) psm_status.context;
if (mtl_psm_request->type == OMPI_MTL_PSM_IRECV) {
ompi_mtl_datatype_unpack(mtl_psm_request->convertor,
mtl_psm_request->buf,
psm_status.msg_length);
mtl_psm_request->super.ompi_req->req_status.MPI_SOURCE =
PSM_GET_MQRANK(psm_status.msg_tag);
mtl_psm_request->super.ompi_req->req_status.MPI_TAG =
PSM_GET_MQUTAG(psm_status.msg_tag);
mtl_psm_request->super.ompi_req->req_status._ucount =
psm_status.nbytes;
}
if(mtl_psm_request->type == OMPI_MTL_PSM_ISEND) {
if (mtl_psm_request->free_after) {
free(mtl_psm_request->buf);
}
}
switch (psm_status.error_code) {
case PSM_OK:
mtl_psm_request->super.ompi_req->req_status.MPI_ERROR =
OMPI_SUCCESS;
break;
case PSM_MQ_TRUNCATION:
mtl_psm_request->super.ompi_req->req_status.MPI_ERROR =
MPI_ERR_TRUNCATE;
break;
default:
mtl_psm_request->super.ompi_req->req_status.MPI_ERROR =
MPI_ERR_INTERN;
}
mtl_psm_request->super.completion_callback(&mtl_psm_request->super);
}
while (1);
error:
opal_show_help("help-mtl-psm.txt",
"error polling network", true,
psm_error_get_string(err));
return 1;
}
