283 строки
12 KiB
C
283 строки
12 KiB
C
/*
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* Copyright (c) 2004-2006 The Trustees of Indiana University and Indiana
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* University Research and Technology
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* Corporation. All rights reserved.
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* Copyright (c) 2004-2007 The University of Tennessee and The University
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* of Tennessee Research Foundation. All rights
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* reserved.
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* Copyright (c) 2004-2005 High Performance Computing Center Stuttgart,
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* University of Stuttgart. All rights reserved.
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* Copyright (c) 2004-2005 The Regents of the University of California.
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* All rights reserved.
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* Copyright (c) 2010-2012 Sandia National Laboratories. All rights reserved.
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* $COPYRIGHT$
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*
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* Additional copyrights may follow
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*
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* $HEADER$
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*/
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#ifndef MTL_PORTALS_H_HAS_BEEN_INCLUDED
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#define MTL_PORTALS_H_HAS_BEEN_INCLUDED
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#include <portals4.h>
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#include "opal/include/opal_config.h"
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#include "opal/class/opal_free_list.h"
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#include "opal/class/opal_list.h"
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#include "opal/datatype/opal_convertor.h"
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#include "ompi/mca/mtl/mtl.h"
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#include "ompi/mca/mtl/base/base.h"
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#include "mtl_portals4_flowctl.h"
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BEGIN_C_DECLS
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struct mca_mtl_portals4_send_request_t;
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struct mca_mtl_portals4_module_t {
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mca_mtl_base_module_t base;
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/* Use the logical to physical table to accelerate portals4 adressing: 1 (true) : 0 (false) */
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int use_logical;
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/** Eager limit; messages greater than this use a rendezvous protocol */
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unsigned long long eager_limit;
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/** Size of short message blocks */
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unsigned long long recv_short_size;
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/** Number of short message blocks which should be created during startup */
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int recv_short_num;
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/** Length of the send event queues */
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int send_queue_size;
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/** Length of the receive event queues */
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int recv_queue_size;
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/** Protocol for long message transfer */
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enum { eager, rndv } protocol;
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/* free list of message for matched probe */
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opal_free_list_t fl_message;
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/** Network interface handle for matched interface */
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ptl_handle_ni_t ni_h;
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/** Uid for current user */
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ptl_uid_t uid;
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/** portals index for message matching */
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ptl_pt_index_t recv_idx;
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/** portals index for long message rendezvous */
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ptl_pt_index_t read_idx;
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/** portals index for flow control recovery */
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ptl_pt_index_t flowctl_idx;
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/** Event queue handles. See send_eq_h and recv_eq_h defines for
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usage. Array for PtlEQPoll */
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ptl_handle_eq_t eqs_h[2];
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/** MD handle for sending ACKS */
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ptl_handle_md_t zero_md_h;
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/** Send MD handle */
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ptl_handle_md_t send_md_h;
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/** long message receive overflow ME. Persistent ME, first in
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overflow list on the recv_idx portal table. */
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ptl_handle_me_t long_overflow_me_h;
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/** List of short receive blocks. */
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opal_list_t recv_short_blocks;
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/** Number of active short receive blocks. Active means that the ME
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was posted to the overflow list, the LINK event has been received but the UNLINK or the FREE event has not
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yet been received. */
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uint32_t active_recv_short_blocks;
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/** Mutex to protect opal_list */
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opal_mutex_t short_block_mutex;
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/** number of send-side operations started */
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uint64_t opcount;
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#if OPAL_ENABLE_DEBUG
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/** number of receive-side operations started. Used only for
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debugging */
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uint64_t recv_opcount;
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#endif
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#if OMPI_MTL_PORTALS4_FLOW_CONTROL
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ompi_mtl_portals4_flowctl_t flowctl;
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#endif
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};
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typedef struct mca_mtl_portals4_module_t mca_mtl_portals4_module_t;
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#define send_eq_h eqs_h[0]
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#define recv_eq_h eqs_h[1]
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extern mca_mtl_portals4_module_t ompi_mtl_portals4;
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#define REQ_RECV_TABLE_ID 12
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#define REQ_READ_TABLE_ID 13
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#define REQ_FLOWCTL_TABLE_ID 14
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#define MTL_PORTALS4_FLOWCTL_TRIGGER 0x01
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#define MTL_PORTALS4_FLOWCTL_ALERT 0x02
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#define MTL_PORTALS4_FLOWCTL_FANIN 0x03
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#define MTL_PORTALS4_FLOWCTL_FANOUT 0x04
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/* match/ignore bit manipulation
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*
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* 0123 4567 01234567 01234567 01234567 01234567 01234567 01234567 01234567
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* | | |
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* ^ | context id | source | message tag
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* | | | |
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* +---- protocol
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*/
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#define MTL_PORTALS4_MAX_TAG ((1UL << 24) -1)
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#define MTL_PORTALS4_PROTOCOL_MASK 0xF000000000000000ULL
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#define MTL_PORTALS4_CONTEXT_MASK 0x0FFF000000000000ULL
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#define MTL_PORTALS4_SOURCE_MASK 0x0000FFFFFF000000ULL
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#define MTL_PORTALS4_TAG_MASK 0x0000000000FFFFFFULL
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#define MTL_PORTALS4_PROTOCOL_IGNR MTL_PORTALS4_PROTOCOL_MASK
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#define MTL_PORTALS4_CONTEXT_IGNR MTL_PORTALS4_CONTEXT_MASK
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#define MTL_PORTALS4_SOURCE_IGNR MTL_PORTALS4_SOURCE_MASK
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#define MTL_PORTALS4_TAG_IGNR 0x00000000007FFFFFULL
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#define MTL_PORTALS4_SHORT_MSG 0x1000000000000000ULL
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#define MTL_PORTALS4_LONG_MSG 0x2000000000000000ULL
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/* send posting */
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#define MTL_PORTALS4_SET_SEND_BITS(match_bits, contextid, source, tag, type) \
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{ \
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match_bits = contextid; \
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match_bits = (match_bits << 24); \
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match_bits |= source; \
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match_bits = (match_bits << 24); \
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match_bits |= (MTL_PORTALS4_TAG_MASK & tag) | type; \
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}
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/* receive posting */
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#define MTL_PORTALS4_SET_RECV_BITS(match_bits, ignore_bits, contextid, source, tag) \
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{ \
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match_bits = 0; \
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ignore_bits = MTL_PORTALS4_PROTOCOL_IGNR; \
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\
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match_bits = contextid; \
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match_bits = (match_bits << 24); \
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\
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if (MPI_ANY_SOURCE == source) { \
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match_bits = (match_bits << 24); \
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ignore_bits |= MTL_PORTALS4_SOURCE_IGNR; \
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} else { \
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match_bits |= source; \
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match_bits = (match_bits << 24); \
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} \
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\
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if (MPI_ANY_TAG == tag) { \
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ignore_bits |= MTL_PORTALS4_TAG_IGNR; \
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} else { \
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match_bits |= (MTL_PORTALS4_TAG_MASK & tag); \
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} \
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}
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#define MTL_PORTALS4_IS_SHORT_MSG(match_bits) \
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(0 != (MTL_PORTALS4_SHORT_MSG & match_bits))
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#define MTL_PORTALS4_IS_LONG_MSG(match_bits) \
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(0 != (MTL_PORTALS4_LONG_MSG & match_bits))
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#define MTL_PORTALS4_IS_READY_MSG(match_bits) \
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(0 != (MTL_PORTALS4_READY_MSG & match_bits))
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#define MTL_PORTALS4_GET_TAG(match_bits) \
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((int)(match_bits & MTL_PORTALS4_TAG_MASK))
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#define MTL_PORTALS4_GET_SOURCE(match_bits) \
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((int)((match_bits & MTL_PORTALS4_SOURCE_MASK) >> 24))
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#define MTL_PORTALS4_SYNC_MSG 0x8000000000000000ULL
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#define MTL_PORTALS4_SET_HDR_DATA(hdr_data, opcount, length, sync) \
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{ \
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hdr_data = (sync) ? 1 : 0; \
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hdr_data = (hdr_data << 15); \
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hdr_data |= opcount & 0x7FFFULL; \
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hdr_data = (hdr_data << 48); \
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hdr_data |= (length & 0xFFFFFFFFFFFFULL); \
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}
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#define MTL_PORTALS4_GET_LENGTH(hdr_data) ((size_t)(hdr_data & 0xFFFFFFFFFFFFULL))
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#define MTL_PORTALS4_IS_SYNC_MSG(hdr_data) \
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(0 != (MTL_PORTALS4_SYNC_MSG & hdr_data))
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/* MTL interface functions */
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extern int ompi_mtl_portals4_finalize(struct mca_mtl_base_module_t *mtl);
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extern int ompi_mtl_portals4_add_procs(struct mca_mtl_base_module_t* mtl,
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size_t nprocs,
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struct ompi_proc_t** procs);
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extern int ompi_mtl_portals4_del_procs(struct mca_mtl_base_module_t* mtl,
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size_t nprocs,
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struct ompi_proc_t** procs);
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extern int ompi_mtl_portals4_send(struct mca_mtl_base_module_t* mtl,
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struct ompi_communicator_t* comm,
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int dest,
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int tag,
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struct opal_convertor_t *convertor,
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mca_pml_base_send_mode_t mode);
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extern int ompi_mtl_portals4_isend(struct mca_mtl_base_module_t* mtl,
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struct ompi_communicator_t* comm,
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int dest,
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int tag,
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struct opal_convertor_t *convertor,
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mca_pml_base_send_mode_t mode,
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bool blocking,
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mca_mtl_request_t *mtl_request);
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extern int ompi_mtl_portals4_irecv(struct mca_mtl_base_module_t* mtl,
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struct ompi_communicator_t *comm,
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int src,
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int tag,
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struct opal_convertor_t *convertor,
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mca_mtl_request_t *mtl_request);
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extern int ompi_mtl_portals4_iprobe(struct mca_mtl_base_module_t* mtl,
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struct ompi_communicator_t *comm,
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int src,
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int tag,
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int *flag,
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struct ompi_status_public_t *status);
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extern int ompi_mtl_portals4_imrecv(struct mca_mtl_base_module_t* mtl,
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struct opal_convertor_t *convertor,
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struct ompi_message_t **message,
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struct mca_mtl_request_t *mtl_request);
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extern int ompi_mtl_portals4_improbe(struct mca_mtl_base_module_t *mtl,
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struct ompi_communicator_t *comm,
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int src,
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int tag,
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int *matched,
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struct ompi_message_t **message,
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struct ompi_status_public_t *status);
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extern int ompi_mtl_portals4_cancel(struct mca_mtl_base_module_t* mtl,
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mca_mtl_request_t *mtl_request,
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int flag);
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extern int ompi_mtl_portals4_add_comm(struct mca_mtl_base_module_t *mtl,
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struct ompi_communicator_t *comm);
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extern int ompi_mtl_portals4_del_comm(struct mca_mtl_base_module_t *mtl,
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struct ompi_communicator_t *comm);
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extern int ompi_mtl_portals4_progress(void);
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extern int ompi_mtl_portals4_get_error(int ptl_error);
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END_C_DECLS
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#endif /* MTL_PORTALS_H_HAS_BEEN_INCLUDED */
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