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/*
* Copyright (c) 2004-2005 The Trustees of Indiana University and Indiana
* University Research and Technology
* Corporation. All rights reserved.
* Copyright (c) 2004-2016 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) 2017 Intel, Inc. All rights reserved
* Copyright (c) 2020-2021 Sandia National Laboratories. All rights reserved.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
#ifndef PART_PERSIST_REQUEST_H
#define PART_PERSIST_REQUEST_H
#include "ompi/mca/part/base/part_base_psendreq.h"
#include "ompi/mca/part/part.h"
#include "opal/sys/atomic.h"
/**
* Type of request.
*/
typedef enum {
MCA_PART_PERSIST_REQUEST_PSEND,
MCA_PART_PERSIST_REQUEST_PRECV,
MCA_PART_PERSIST_REQUEST_NULL
} mca_part_persist_request_type_t;
struct mca_part_persist_list_t;
struct ompi_mca_persist_setup_t {
int world_rank;
int start_tag;
int setup_tag;
size_t num_parts;
size_t count;
};
/**
* Base type for PART PERSIST requests
*/
struct mca_part_persist_request_t {
/* START: These fields have to match the definition of the mca_part_persist_request_t */
ompi_request_t req_ompi; /**< base request */
volatile int32_t req_part_complete; /**< flag indicating if the pt-2-pt layer is done with this request */
volatile int32_t req_free_called; /**< flag indicating if the user has freed this request */
mca_part_persist_request_type_t req_type; /**< MPI request type - used for test */
struct ompi_communicator_t *req_comm; /**< communicator pointer */
struct ompi_datatype_t *req_datatype; /**< pointer to data type */
opal_convertor_t req_convertor; /**< always need the convertor */
const void *req_addr; /**< pointer to application buffer */
size_t req_parts; /**< number of partitions */
size_t req_count; /**< count of user datatype elements */
int32_t req_peer; /**< peer process - rank w/in this communicator */
int32_t req_tag; /**< user defined tag */
struct ompi_proc_t* req_proc; /**< peer process */
/* END: These fields have to match the definition of the mca_part_persist_request_t */
size_t req_bytes; /**< bytes for completion status */
size_t real_parts; /**< internal number of partitions */
size_t real_count;
size_t part_size;
ompi_request_t** persist_reqs; /**< requests for persistent sends/recvs */
ompi_request_t* setup_req [2]; /**< Request structure for setup messages */
int32_t req_partitions_send; /**< Send side number of partitions */
int32_t req_partitions_recv; /**< Recv side number of partitions */
int32_t my_send_tag; /**< This is a counter for send tags for the actual data transfer. */
int32_t my_recv_tag; /**< This is a counter for receive tags, for incoming setup messages. */
int32_t world_peer; /**< peer's rank in MPI_COMM_WORLD */
int32_t initialized; /**< flag for initialized state */
int32_t first_send; /**< flag for whether the first send has happened */
int32_t flag_post_setup_recv;
size_t done_count; /**< counter for the number of partitions marked ready */
int32_t *flags; /**< array of flags to determine whether a partition has arrived */
struct ompi_mca_persist_setup_t setup_info[2]; /**< Setup info to send during initialization. */
struct mca_part_persist_list_t* progress_elem; /**< pointer to progress list element for removal during free. */
};
typedef struct mca_part_persist_request_t mca_part_persist_request_t;
OBJ_CLASS_DECLARATION(mca_part_persist_request_t);
#endif
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