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/* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil -*- */
/*
* Copyright (C) Mellanox Technologies Ltd. 2001-2011. ALL RIGHTS RESERVED.
* Copyright (c) 2015-2016 Los Alamos National Security, LLC. All rights
* reserved.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
#ifndef PML_YALLA_REQUEST_H_
#define PML_YALLA_REQUEST_H_
#include "pml_yalla.h"
#include "pml_yalla_datatype.h"
#define MCA_PML_YALLA_REQUEST_FLAG_SEND 0x1 /* Persistent send */
#define MCA_PML_YALLA_REQUEST_FLAG_BSEND 0x2 /* Persistent buffered send */
#define MCA_PML_YALLA_REQUEST_FLAG_FREE_CALLED 0x4
struct pml_yalla_base_request {
ompi_request_t ompi;
mca_pml_yalla_convertor_t *convertor;
int flags;
};
struct pml_yalla_send_request {
mca_pml_yalla_base_request_t super;
mxm_send_req_t mxm;
};
struct pml_yalla_bsend_request {
opal_free_list_item_t super;
mxm_send_req_t mxm;
};
struct pml_yalla_recv_request {
mca_pml_yalla_base_request_t super;
mxm_recv_req_t mxm;
};
OBJ_CLASS_DECLARATION(mca_pml_yalla_send_request_t);
OBJ_CLASS_DECLARATION(mca_pml_yalla_bsend_request_t);
OBJ_CLASS_DECLARATION(mca_pml_yalla_recv_request_t);
void mca_pml_yalla_init_reqs(void);
#define PML_YALLA_MXM_REQBASE( x ) ( &((x)->mxm.base) )
#define PML_YALLA_RESET_OMPI_REQ(_ompi_req, _state) \
{ \
(_ompi_req)->req_state = _state; \
(_ompi_req)->req_complete = REQUEST_PENDING; \
(_ompi_req)->req_status._cancelled = false; \
}
#define PML_YALLA_INIT_OMPI_REQ(_ompi_req, _comm, _state) \
{ \
PML_YALLA_RESET_OMPI_REQ(_ompi_req, _state); \
(_ompi_req)->req_mpi_object.comm = _comm; \
OBJ_RETAIN(_comm); \
}
#define PML_YALLA_RESET_PML_REQ(_pml_req, mxm_base) \
{ \
mxm_base->state = MXM_REQ_NEW; \
PML_YALLA_RESET_PML_REQ_DATA(_pml_req); \
}
#define PML_YALLA_INIT_MXM_REQ_BASE(_req_base, _comm) \
{ \
(_req_base)->state = MXM_REQ_NEW; \
(_req_base)->mq = (mxm_mq_h)(_comm)->c_pml_comm; \
}
#define PML_YALLA_PEER_CONN(_comm, _rank) \
ompi_comm_peer_lookup(_comm, _rank)->proc_endpoints[OMPI_PROC_ENDPOINT_TAG_PML]
#define PML_YALLA_INIT_MXM_SEND_REQ(_sreq, _buf, _count, _dtype, _rank, _tag, _mode, _comm, _stream_type, ...) \
{ \
PML_YALLA_INIT_MXM_REQ_BASE(&(_sreq)->base, _comm); \
PML_YALLA_INIT_MXM_REQ_DATA(&(_sreq)->base, _buf, _count, _dtype, _stream_type, ## __VA_ARGS__); \
(_sreq)->base.conn = PML_YALLA_PEER_CONN(_comm, _rank); \
(_sreq)->opcode = ((_mode) == MCA_PML_BASE_SEND_SYNCHRONOUS) ? MXM_REQ_OP_SEND_SYNC : MXM_REQ_OP_SEND; \
(_sreq)->op.send.tag = _tag; \
(_sreq)->op.send.imm_data = ompi_comm_rank(_comm); \
}
#define PML_YALLA_INIT_MXM_RECV_REQ_ENVELOPE(_rreq, _rank, _tag, _comm) \
{ \
(_rreq)->base.conn = ((_rank) == MPI_ANY_SOURCE) ? NULL : PML_YALLA_PEER_CONN(_comm, _rank); \
if ((_tag) == MPI_ANY_TAG) { \
(_rreq)->tag = 0; \
(_rreq)->tag_mask = 0x80000000u; \
} else { \
(_rreq)->tag = _tag; \
(_rreq)->tag_mask = 0xffffffffu; \
} \
}
#define PML_YALLA_INIT_MXM_RECV_REQ(_rreq, _buf, _count, _dtype, _rank, _tag, _comm, _stream_type, ...) \
{ \
PML_YALLA_INIT_MXM_REQ_BASE(&(_rreq)->base, _comm); \
PML_YALLA_INIT_MXM_REQ_DATA(&(_rreq)->base, _buf, _count, _dtype, _stream_type, ## __VA_ARGS__); \
PML_YALLA_INIT_MXM_RECV_REQ_ENVELOPE(_rreq, _rank, _tag, _comm); \
}
#define PML_YALLA_INIT_BLOCKING_MXM_SEND_REQ(_sreq) \
{ \
(_sreq)->base.completed_cb = NULL; \
(_sreq)->flags = MXM_REQ_SEND_FLAG_BLOCKING; \
}
#define PML_YALLA_INIT_BLOCKING_MXM_RECV_REQ(_rreq) \
{ \
(_rreq)->base.completed_cb = NULL; \
}
#define PML_YALLA_FREE_BLOCKING_MXM_REQ(_req) \
{ \
if ((_req)->data_type == MXM_REQ_DATA_STREAM) { \
mca_pml_yalla_convertor_free((mca_pml_yalla_convertor_t*)((_req)->context)); \
} \
}
static inline mca_pml_yalla_recv_request_t* MCA_PML_YALLA_RREQ_INIT(void *_buf, size_t _count, ompi_datatype_t *_datatype,
int _src, int _tag, struct ompi_communicator_t* _comm, int _state)
{
mca_pml_yalla_recv_request_t *rreq = (mca_pml_yalla_recv_request_t *)PML_YALLA_FREELIST_GET(&ompi_pml_yalla.recv_reqs);
PML_YALLA_INIT_OMPI_REQ(&rreq->super.ompi, _comm, _state);
PML_YALLA_INIT_MXM_RECV_REQ(&rreq->mxm, _buf, _count, _datatype, _src, _tag, _comm, irecv, rreq);
return rreq;
}
static inline mca_pml_yalla_send_request_t* MCA_PML_YALLA_SREQ_INIT(void *_buf, size_t _count, ompi_datatype_t *_datatype,
int _dst, int _tag, mca_pml_base_send_mode_t _mode, struct ompi_communicator_t* _comm, int _state)
{
mca_pml_yalla_send_request_t *sreq = (mca_pml_yalla_send_request_t *)PML_YALLA_FREELIST_GET(&ompi_pml_yalla.send_reqs);
PML_YALLA_INIT_OMPI_REQ(&sreq->super.ompi, _comm, _state);
PML_YALLA_INIT_MXM_SEND_REQ(&sreq->mxm, _buf, _count, _datatype, _dst, _tag, _mode, _comm, isend, sreq);
sreq->super.ompi.req_status.MPI_TAG = _tag;
sreq->super.ompi.req_status.MPI_SOURCE = (_comm)->c_my_rank;
sreq->super.ompi.req_status._ucount = _count;
return sreq;
}
#define PML_YALLA_INIT_MXM_PROBE_REQ(_rreq, _rank, _tag, _comm) \
{ \
PML_YALLA_INIT_MXM_REQ_BASE(&(_rreq)->base, _comm); \
PML_YALLA_INIT_MXM_RECV_REQ_ENVELOPE(_rreq, _rank, _tag, _comm); \
}
/*
* For multi-threaded MPI, avoid blocking inside mxm_wait(), since it prevents
* from other threads making progress.
*/
#define PML_YALLA_WAIT_MXM_REQ(_req_base) \
{ \
if (opal_using_threads()) { \
while (!mxm_req_test(_req_base)) { \
sched_yield(); \
opal_progress(); \
} \
} else if (!mxm_req_test(_req_base)) { \
mxm_wait_t wait; \
wait.progress_cb = (mxm_progress_cb_t)opal_progress; \
wait.progress_arg = NULL; \
wait.req = (_req_base); \
wait.state = MXM_REQ_COMPLETED; \
mxm_wait(&wait); \
} \
}
static inline int PML_YALLA_SET_RECV_STATUS(mxm_recv_req_t *_rreq,
size_t _length,
ompi_status_public_t *_mpi_status)
{
int rc;
switch (_rreq->base.error) {
case MXM_OK:
rc = OMPI_SUCCESS;
break;
case MXM_ERR_CANCELED:
rc = OMPI_SUCCESS;
break;
case MXM_ERR_MESSAGE_TRUNCATED:
rc = MPI_ERR_TRUNCATE;
break;
default:
rc = MPI_ERR_INTERN;
break;
}
/* If status is not ignored, fill what is needed */
if (_mpi_status != MPI_STATUS_IGNORE) {
_mpi_status->MPI_ERROR = rc;
if (MXM_ERR_CANCELED == _rreq->base.error) {
_mpi_status->_cancelled = true;
}
_mpi_status->MPI_TAG = _rreq->completion.sender_tag;
_mpi_status->MPI_SOURCE = _rreq->completion.sender_imm;
_mpi_status->_ucount = _length;
}
return rc;
}
#define PML_YALLA_SET_MESSAGE(_rreq, _comm, _mxm_msg, _message) \
{ \
*(_message) = ompi_message_alloc(); \
(*(_message))->comm = (_comm); \
(*(_message))->count = (_rreq)->completion.sender_len; \
(*(_message))->peer = (_rreq)->completion.sender_imm; \
(*(_message))->req_ptr = (_mxm_msg); \
}
#define PML_YALLA_MESSAGE_RELEASE(_message) \
{ \
ompi_message_return(*(_message)); \
*(_message) = MPI_MESSAGE_NULL; \
}
#endif /* PML_YALLA_REQUEST_H_ */
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