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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) 2004-2021 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) 2004-2005 The Regents of the University of California.
* All rights reserved.
* Copyright (c) 2010-2022 Sandia National Laboratories. All rights reserved.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
#include "ompi_config.h"
#include "ompi/communicator/communicator.h"
#include "ompi/message/message.h"
#include "mtl_portals4.h"
#include "mtl_portals4_endpoint.h"
#include "mtl_portals4_request.h"
#include "mtl_portals4_message.h"
static int
completion_fn(ptl_event_t *ev, ompi_mtl_portals4_base_request_t *ptl_base_request)
{
ompi_mtl_portals4_probe_request_t *ptl_request =
(ompi_mtl_portals4_probe_request_t*) ptl_base_request;
opal_output_verbose(10, ompi_mtl_base_framework.framework_output,
"%s:%d: completion_fn: %d %d",
__FILE__, __LINE__, ev->type, ev->ni_fail_type);
if (OPAL_UNLIKELY(ev->ni_fail_type == PTL_OK)) {
ptl_request->found_match = 1;
ptl_request->status.MPI_SOURCE = MTL_PORTALS4_GET_SOURCE(ev->match_bits);
ptl_request->status.MPI_TAG = MTL_PORTALS4_GET_TAG(ev->match_bits);
ptl_request->status.MPI_ERROR = MPI_SUCCESS;
ptl_request->status._ucount = MTL_PORTALS4_GET_LENGTH(ev->hdr_data);
if (ev->type != PTL_EVENT_SEARCH) {
ptl_request->message = ompi_mtl_portals4_message_alloc(ev);
}
} else {
ptl_request->found_match = 0;
}
opal_atomic_wmb();
ptl_request->req_complete = 1;
return OMPI_SUCCESS;
}
int
ompi_mtl_portals4_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)
{
struct ompi_mtl_portals4_probe_request_t request;
ptl_me_t me;
ptl_process_t remote_proc;
ptl_match_bits_t match_bits, ignore_bits;
int ret;
if (MPI_ANY_SOURCE == src) {
if (ompi_mtl_portals4.use_logical) {
remote_proc.rank = PTL_RANK_ANY;
} else {
remote_proc.phys.nid = PTL_NID_ANY;
remote_proc.phys.pid = PTL_PID_ANY;
}
} else if ((ompi_mtl_portals4.use_logical) && (MPI_COMM_WORLD == comm)) {
remote_proc.rank = src;
} else {
ompi_proc_t* ompi_proc = ompi_comm_peer_lookup( comm, src );
remote_proc = *((ptl_process_t*) ompi_mtl_portals4_get_endpoint (mtl, ompi_proc));
}
MTL_PORTALS4_SET_RECV_BITS(match_bits, ignore_bits,
ompi_comm_get_local_cid(comm),
src, tag);
me.start = NULL;
me.length = 0;
me.ct_handle = PTL_CT_NONE;
me.min_free = 0;
me.uid = ompi_mtl_portals4.uid;
me.options = PTL_ME_OP_PUT | PTL_ME_USE_ONCE;
me.match_id = remote_proc;
me.match_bits = match_bits;
me.ignore_bits = ignore_bits;
request.super.type = portals4_req_probe;
request.super.event_callback = completion_fn;
request.req_complete = 0;
request.found_match = 0;
opal_atomic_wmb();
ret = PtlMESearch(ompi_mtl_portals4.ni_h,
ompi_mtl_portals4.recv_idx,
&me,
PTL_SEARCH_ONLY,
&request);
if (OPAL_UNLIKELY(PTL_OK != ret)) {
opal_output_verbose(1, ompi_mtl_base_framework.framework_output,
"%s:%d: PtlMESearch failed: %d",
__FILE__, __LINE__, ret);
return ompi_mtl_portals4_get_error(ret);
}
while (0 == request.req_complete) {
opal_progress();
}
*flag = request.found_match;
if (1 == *flag) {
if (MPI_STATUS_IGNORE != status) {
OMPI_COPY_STATUS(status, request.status, false);
}
}
return OMPI_SUCCESS;
}
int
ompi_mtl_portals4_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_mtl_portals4_probe_request_t request;
ptl_me_t me;
ptl_process_t remote_proc;
ptl_match_bits_t match_bits, ignore_bits;
int ret;
opal_output_verbose(1, ompi_mtl_base_framework.framework_output,
"%s:%d: improbe %d %d %d",
__FILE__, __LINE__, ompi_comm_get_local_cid(comm), src, tag);
if (MPI_ANY_SOURCE == src) {
if (ompi_mtl_portals4.use_logical) {
remote_proc.rank = PTL_RANK_ANY;
} else {
remote_proc.phys.nid = PTL_NID_ANY;
remote_proc.phys.pid = PTL_PID_ANY;
}
} else if ((ompi_mtl_portals4.use_logical) && (MPI_COMM_WORLD == comm)) {
remote_proc.rank = src;
} else {
ompi_proc_t* ompi_proc = ompi_comm_peer_lookup( comm, src );
remote_proc = *((ptl_process_t*) ompi_mtl_portals4_get_endpoint (mtl, ompi_proc));
}
MTL_PORTALS4_SET_RECV_BITS(match_bits, ignore_bits,
ompi_comm_get_local_cid(comm),
src, tag);
me.start = NULL;
me.length = 0;
me.ct_handle = PTL_CT_NONE;
me.min_free = 0;
me.uid = ompi_mtl_portals4.uid;
me.options = PTL_ME_OP_PUT | PTL_ME_USE_ONCE;
me.match_id = remote_proc;
me.match_bits = match_bits;
me.ignore_bits = ignore_bits;
request.super.type = portals4_req_probe;
request.super.event_callback = completion_fn;
request.req_complete = 0;
request.found_match = 0;
opal_atomic_wmb();
ret = PtlMESearch(ompi_mtl_portals4.ni_h,
ompi_mtl_portals4.recv_idx,
&me,
PTL_SEARCH_DELETE,
&request);
if (OPAL_UNLIKELY(PTL_OK != ret)) {
opal_output_verbose(1, ompi_mtl_base_framework.framework_output,
"%s:%d: PtlMESearch failed: %d",
__FILE__, __LINE__, ret);
return ompi_mtl_portals4_get_error(ret);
}
while (0 == request.req_complete) {
opal_progress();
}
*matched = request.found_match;
if (1 == *matched) {
if (MPI_STATUS_IGNORE != status) {
OMPI_COPY_STATUS(status, request.status, false);
}
(*message) = ompi_message_alloc();
if (NULL == (*message)) {
return OMPI_ERR_OUT_OF_RESOURCE;
}
(*message)->comm = comm;
(*message)->req_ptr = request.message;
(*message)->peer = status->MPI_SOURCE;
(*message)->count = status->_ucount;
if (NULL == (*message)->req_ptr) {
ompi_message_return(*message);
*message = NULL;
return OMPI_ERR_OUT_OF_RESOURCE;
}
} else {
(*message) = MPI_MESSAGE_NULL;
}
return OMPI_SUCCESS;
}
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