2005-11-22 20:24:47 +03:00
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/*
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* Copyright (c) 2004-2005 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) 2004-2005 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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* $COPYRIGHT$
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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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/**
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* @file
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*/
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#ifndef OMPI_PML_DR_SEND_REQUEST_H
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#define OMPI_PML_DR_SEND_REQUEST_H
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2005-12-21 00:42:58 +03:00
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#include "ompi_config.h"
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#include "ompi/datatype/convertor.h"
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#include "ompi/mca/btl/btl.h"
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#include "ompi/mca/pml/base/pml_base_sendreq.h"
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#include "ompi/mca/mpool/base/base.h"
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#include "ompi/mca/bml/bml.h"
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2005-11-22 20:24:47 +03:00
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#include "pml_dr_proc.h"
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#include "pml_dr_comm.h"
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#include "pml_dr_hdr.h"
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2005-12-21 00:42:58 +03:00
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#include "pml_dr_vfrag.h"
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2005-11-22 20:24:47 +03:00
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#if defined(c_plusplus) || defined(__cplusplus)
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extern "C" {
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#endif
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struct mca_pml_dr_send_request_t {
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mca_pml_base_send_request_t req_send;
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ompi_proc_t* req_proc;
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mca_bml_base_endpoint_t* req_endpoint;
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#if OMPI_HAVE_THREAD_SUPPORT
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volatile int32_t req_state;
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volatile int32_t req_lock;
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#else
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2005-12-21 00:42:58 +03:00
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int32_t req_state;
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int32_t req_lock;
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2005-11-22 20:24:47 +03:00
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#endif
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size_t req_pipeline_depth;
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size_t req_bytes_delivered;
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size_t req_send_offset;
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2005-12-21 00:42:58 +03:00
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mca_pml_dr_vfrag_t* req_vfrag;
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mca_pml_dr_vfrag_t req_vfrag0;
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opal_list_t req_pending;
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opal_list_t req_retrans;
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opal_mutex_t req_mutex;
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size_t req_num_acks;
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size_t req_num_vfrags;
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2005-11-22 20:24:47 +03:00
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};
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typedef struct mca_pml_dr_send_request_t mca_pml_dr_send_request_t;
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OBJ_CLASS_DECLARATION(mca_pml_dr_send_request_t);
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2005-12-21 00:42:58 +03:00
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#define MCA_PML_DR_SEND_REQUEST_ALLOC( \
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2005-11-22 20:24:47 +03:00
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comm, \
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dst, \
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sendreq, \
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rc) \
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{ \
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ompi_proc_t *proc = \
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comm->c_pml_procs[dst]->proc_ompi; \
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opal_list_item_t* item; \
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\
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if(NULL == proc) { \
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rc = OMPI_ERR_OUT_OF_RESOURCE; \
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} else { \
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rc = OMPI_SUCCESS; \
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2005-12-21 00:42:58 +03:00
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OMPI_FREE_LIST_WAIT(&mca_pml_dr.send_requests, item, rc); \
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sendreq = (mca_pml_dr_send_request_t*)item; \
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2005-11-22 20:24:47 +03:00
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sendreq->req_proc = proc; \
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} \
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}
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2005-12-21 00:42:58 +03:00
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#define MCA_PML_DR_SEND_REQUEST_INIT( \
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2005-11-22 20:24:47 +03:00
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sendreq, \
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buf, \
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count, \
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datatype, \
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dst, \
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tag, \
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comm, \
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sendmode, \
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persistent) \
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{ \
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MCA_PML_BASE_SEND_REQUEST_INIT(&sendreq->req_send, \
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buf, \
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count, \
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datatype, \
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dst, \
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tag, \
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comm, \
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sendmode, \
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persistent); \
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}
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/**
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* Start a send request.
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*/
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#define MCA_PML_DR_SEND_REQUEST_START(sendreq, rc) \
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do { \
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mca_pml_dr_comm_t* comm = sendreq->req_send.req_base.req_comm->c_pml_comm; \
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2005-12-21 00:42:58 +03:00
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mca_pml_dr_comm_proc_t* proc = comm->procs + sendreq->req_send.req_base.req_peer; \
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2005-11-22 20:24:47 +03:00
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mca_bml_base_endpoint_t* endpoint = (mca_bml_base_endpoint_t*)sendreq->req_proc->proc_pml; \
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mca_bml_base_btl_t* bml_btl; \
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size_t size = sendreq->req_send.req_bytes_packed; \
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\
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if(endpoint == NULL) { \
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rc = OMPI_ERR_UNREACH; \
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break; \
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} \
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\
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sendreq->req_lock = 0; \
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sendreq->req_pipeline_depth = 0; \
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sendreq->req_bytes_delivered = 0; \
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sendreq->req_state = 0; \
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sendreq->req_send_offset = 0; \
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sendreq->req_send.req_base.req_pml_complete = false; \
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sendreq->req_send.req_base.req_ompi.req_complete = false; \
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sendreq->req_send.req_base.req_ompi.req_state = OMPI_REQUEST_ACTIVE; \
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sendreq->req_send.req_base.req_ompi.req_status._cancelled = 0; \
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2005-12-21 00:42:58 +03:00
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sendreq->req_send.req_base.req_sequence = OPAL_THREAD_ADD32(&proc->send_sequence,1); \
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2005-11-22 20:24:47 +03:00
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sendreq->req_endpoint = endpoint; \
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2005-12-21 00:42:58 +03:00
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sendreq->req_vfrag0.vf_id = OPAL_THREAD_ADD32(&proc->vfrag_id,1); \
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sendreq->req_vfrag = &sendreq->req_vfrag0; \
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sendreq->req_num_acks = 0; \
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sendreq->req_num_vfrags = 0; \
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2005-11-22 20:24:47 +03:00
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\
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/* select a btl */ \
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bml_btl = mca_bml_base_btl_array_get_next(&endpoint->btl_eager); \
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\
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/* shortcut for zero byte */ \
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if(size == 0 && sendreq->req_send.req_send_mode != MCA_PML_BASE_SEND_SYNCHRONOUS) { \
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mca_btl_base_descriptor_t* descriptor; \
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mca_btl_base_segment_t* segment; \
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2005-12-21 00:42:58 +03:00
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mca_pml_dr_hdr_t* hdr; \
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2005-11-22 20:24:47 +03:00
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\
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/* allocate a descriptor */ \
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2005-12-21 00:42:58 +03:00
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MCA_PML_DR_DES_ALLOC(bml_btl, descriptor, sizeof(mca_pml_dr_match_hdr_t)); \
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2005-11-22 20:24:47 +03:00
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if(NULL == descriptor) { \
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return OMPI_ERR_OUT_OF_RESOURCE; \
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} \
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segment = descriptor->des_src; \
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\
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/* build hdr */ \
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hdr = (mca_pml_dr_hdr_t*)segment->seg_addr.pval; \
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2005-11-22 20:24:47 +03:00
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hdr->hdr_common.hdr_flags = 0; \
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hdr->hdr_common.hdr_type = MCA_PML_DR_HDR_TYPE_MATCH; \
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2005-11-22 20:24:47 +03:00
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hdr->hdr_match.hdr_ctx = sendreq->req_send.req_base.req_comm->c_contextid; \
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hdr->hdr_match.hdr_src = sendreq->req_send.req_base.req_comm->c_my_rank; \
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hdr->hdr_match.hdr_tag = sendreq->req_send.req_base.req_tag; \
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hdr->hdr_match.hdr_seq = sendreq->req_send.req_base.req_sequence; \
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\
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/* short message */ \
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2005-12-21 00:42:58 +03:00
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descriptor->des_cbfunc = mca_pml_dr_match_completion_cache; \
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2005-11-22 20:24:47 +03:00
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descriptor->des_flags |= MCA_BTL_DES_FLAGS_PRIORITY; \
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descriptor->des_cbdata = sendreq; \
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\
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/* request is complete at mpi level */ \
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OPAL_THREAD_LOCK(&ompi_request_lock); \
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2005-12-21 00:42:58 +03:00
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MCA_PML_DR_SEND_REQUEST_MPI_COMPLETE(sendreq); \
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2005-11-22 20:24:47 +03:00
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OPAL_THREAD_UNLOCK(&ompi_request_lock); \
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\
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/* send */ \
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rc = mca_bml_base_send(bml_btl, descriptor, MCA_BTL_TAG_PML); \
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if(OMPI_SUCCESS != rc) { \
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mca_bml_base_free(bml_btl, descriptor ); \
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} \
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\
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} else { \
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size_t eager_limit = bml_btl->btl_eager_limit - sizeof(mca_pml_dr_hdr_t); \
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if(size <= eager_limit) { \
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switch(sendreq->req_send.req_send_mode) { \
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case MCA_PML_BASE_SEND_SYNCHRONOUS: \
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rc = mca_pml_dr_send_request_start_rndv(sendreq, bml_btl, size, 0); \
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break; \
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case MCA_PML_BASE_SEND_BUFFERED: \
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rc = mca_pml_dr_send_request_start_copy(sendreq, bml_btl, size); \
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break; \
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default: \
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if (bml_btl->btl_flags & MCA_BTL_FLAGS_SEND_INPLACE) { \
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rc = mca_pml_dr_send_request_start_prepare(sendreq, bml_btl, size); \
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} else { \
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rc = mca_pml_dr_send_request_start_copy(sendreq, bml_btl, size); \
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} \
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break; \
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} \
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} else { \
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size = eager_limit; \
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if(sendreq->req_send.req_send_mode == MCA_PML_BASE_SEND_BUFFERED) { \
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rc = mca_pml_dr_send_request_start_buffered(sendreq, bml_btl, size); \
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} else { \
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rc = mca_pml_dr_send_request_start_rndv(sendreq, bml_btl, size, 0); \
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} \
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} \
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} \
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} while (0)
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/*
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* Mark a send request as completed at the MPI level.
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*/
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2005-12-21 00:42:58 +03:00
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#define MCA_PML_DR_SEND_REQUEST_MPI_COMPLETE(sendreq) \
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2005-11-22 20:24:47 +03:00
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do { \
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(sendreq)->req_send.req_base.req_ompi.req_status.MPI_SOURCE = \
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(sendreq)->req_send.req_base.req_comm->c_my_rank; \
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(sendreq)->req_send.req_base.req_ompi.req_status.MPI_TAG = \
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(sendreq)->req_send.req_base.req_tag; \
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(sendreq)->req_send.req_base.req_ompi.req_status.MPI_ERROR = OMPI_SUCCESS; \
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(sendreq)->req_send.req_base.req_ompi.req_status._count = \
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(sendreq)->req_send.req_bytes_packed; \
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(sendreq)->req_send.req_base.req_ompi.req_complete = true; \
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ompi_request_completed++; \
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if(ompi_request_waiting) { \
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opal_condition_broadcast(&ompi_request_cond); \
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} \
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} while(0)
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/*
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* The PML has completed a send request. Note that this request
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* may have been orphaned by the user or have already completed
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* at the MPI level.
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*/
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2005-12-21 00:42:58 +03:00
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#define MCA_PML_DR_SEND_REQUEST_PML_COMPLETE(sendreq) \
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do { \
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/* request completed at pml level */ \
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(sendreq)->req_send.req_base.req_pml_complete = true; \
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\
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/* user has already released the request so simply free it */ \
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if((sendreq)->req_send.req_base.req_free_called) { \
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/* if buffered send - release any resources */ \
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if ((sendreq)->req_send.req_send_mode == MCA_PML_BASE_SEND_BUFFERED && \
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(sendreq)->req_send.req_addr != (sendreq)->req_send.req_base.req_addr) { \
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mca_pml_base_bsend_request_fini((ompi_request_t*)sendreq); \
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} \
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MCA_PML_DR_SEND_REQUEST_RETURN(sendreq); \
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/* is request complete at mpi level */ \
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} else if ((sendreq)->req_send.req_base.req_ompi.req_complete == false) { \
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2005-12-21 00:42:58 +03:00
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MCA_PML_DR_SEND_REQUEST_MPI_COMPLETE(sendreq); \
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2005-11-22 20:24:47 +03:00
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/* buffered send - release any resources */ \
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} else if ((sendreq)->req_send.req_send_mode == MCA_PML_BASE_SEND_BUFFERED && \
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(sendreq)->req_send.req_addr != (sendreq)->req_send.req_base.req_addr) { \
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mca_pml_base_bsend_request_fini((ompi_request_t*)sendreq); \
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} \
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} while (0)
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/*
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* Advance a pending send request. Note that the initial descriptor must complete
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* and the acknowledment received before the request can complete or be scheduled.
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* However, these events may occur in either order.
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*/
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2005-12-21 00:42:58 +03:00
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#define MCA_PML_DR_SEND_REQUEST_ADVANCE(sendreq) \
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2005-11-22 20:24:47 +03:00
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do { \
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bool schedule = false; \
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\
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/* has an acknowledgment been received */ \
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if(OPAL_THREAD_ADD32(&sendreq->req_state, 1) == 2) { \
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OPAL_THREAD_LOCK(&ompi_request_lock); \
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if(sendreq->req_bytes_delivered == sendreq->req_send.req_bytes_packed) { \
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2005-12-21 00:42:58 +03:00
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MCA_PML_DR_SEND_REQUEST_PML_COMPLETE(sendreq); \
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2005-11-22 20:24:47 +03:00
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} else { \
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schedule = true; \
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} \
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OPAL_THREAD_UNLOCK(&ompi_request_lock); \
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} \
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\
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/* additional data to schedule */ \
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if(schedule == true) { \
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2005-12-21 00:42:58 +03:00
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mca_pml_dr_send_request_schedule(sendreq); \
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2005-11-22 20:24:47 +03:00
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} \
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} while (0)
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/*
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* Release resources associated with a request
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*/
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2005-12-21 00:42:58 +03:00
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#define MCA_PML_DR_SEND_REQUEST_RETURN(sendreq) \
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do { \
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/* Let the base handle the reference counts */ \
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MCA_PML_BASE_SEND_REQUEST_FINI((&(sendreq)->req_send)); \
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OMPI_FREE_LIST_RETURN( \
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&mca_pml_dr.send_requests, (opal_list_item_t*)sendreq); \
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} while(0)
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/*
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* Lookup/allocate a vfrag for the pending send
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*/
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#define MCA_PML_DR_SEND_REQUEST_VFRAG_INIT(sendreq, endpoint, size, vfrag) \
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do { \
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mca_pml_dr_comm_t* comm = sendreq->req_send.req_base.req_comm->c_pml_comm; \
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mca_pml_dr_comm_proc_t* proc = comm->procs + sendreq->req_send.req_base.req_peer; \
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size_t max_send_size = endpoint->btl_max_send_size - sizeof(mca_pml_dr_frag_hdr_t); \
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size_t div = size / max_send_size; \
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\
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if(div == 0) { \
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vfrag->vf_len = 1; \
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vfrag->vf_size = size; \
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vfrag->vf_mask = 1; \
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} else if(div > 64) { \
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vfrag->vf_len = 64; \
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vfrag->vf_size = (max_send_size << 6); /* size * 64 */ \
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vfrag->vf_mask = ~(uint64_t)0; \
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} else if (div == 64) { \
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size_t mod = size % max_send_size; \
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vfrag->vf_len = 64; \
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vfrag->vf_size = (mod ? (size - mod) : size); \
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vfrag->vf_mask = ~(uint64_t)0; \
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} else { \
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size_t mod = size % max_send_size; \
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vfrag->vf_len = div + (mod ? 1 : 0); \
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vfrag->vf_size = size; \
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vfrag->vf_mask = (((uint64_t)1 << vfrag->vf_len) - (uint64_t)1); \
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} \
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\
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vfrag->vf_id = OPAL_THREAD_ADD32(&proc->vfrag_id,1); \
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vfrag->vf_ack = 0; \
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vfrag->vf_offset = sendreq->req_send_offset; \
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vfrag->vf_idx = 0; \
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vfrag->vf_max_send_size = max_send_size; \
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opal_list_append(&sendreq->req_pending, (opal_list_item_t*)vfrag); \
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sendreq->req_vfrag = vfrag; \
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} while(0)
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/*
|
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*
|
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*/
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#define MCA_PML_DR_SEND_REQUEST_VFRAG_PENDING(sendreq,hdr,vfrag) \
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do { \
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if ((hdr)->hdr_vid == (sendreq)->req_vfrag0.vf_id) { \
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vfrag = &(sendreq)->req_vfrag0; \
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} else if((sendreq)->req_vfrag->vf_id == (hdr)->hdr_vid) { \
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vfrag = (sendreq)->req_vfrag; \
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opal_list_remove_item(&(sendreq)->req_pending,(opal_list_item_t*)vfrag); \
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} else { \
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opal_list_item_t* item; \
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vfrag = NULL; \
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OPAL_THREAD_LOCK(&(sendreq)->req_mutex); \
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for(item = opal_list_get_first(&(sendreq)->req_pending); \
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item != opal_list_get_end(&(sendreq)->req_pending); \
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item = opal_list_get_next(item)) { \
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mca_pml_dr_vfrag_t* vf = (mca_pml_dr_vfrag_t*)item; \
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if(vf->vf_id == (hdr)->hdr_vid) { \
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opal_list_remove_item(&(sendreq)->req_pending,item); \
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vfrag = vf; \
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break; \
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} \
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} \
|
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|
OPAL_THREAD_UNLOCK(&(sendreq)->req_mutex); \
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} \
|
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} while(0)
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|
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|
|
/*
|
|
|
|
|
*
|
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|
|
|
*/
|
|
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|
|
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|
|
#define MCA_PML_DR_SEND_REQUEST_VFRAG_RETRANS(sendreq,hdr,vfrag) \
|
|
|
|
|
do { \
|
|
|
|
|
opal_list_item_t* item; \
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|
|
vfrag = NULL; \
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|
|
OPAL_THREAD_LOCK(&(sendreq)->req_mutex); \
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|
|
|
for(item = opal_list_get_first(&(sendreq)->req_retrans); \
|
|
|
|
|
item != opal_list_get_end(&(sendreq)->req_retrans); \
|
|
|
|
|
item = opal_list_get_next(item)) { \
|
|
|
|
|
mca_pml_dr_vfrag_t* vf = (mca_pml_dr_vfrag_t*)item; \
|
|
|
|
|
if(vf->vf_id == (hdr)->hdr_vid) { \
|
|
|
|
|
vfrag = vf; \
|
|
|
|
|
break; \
|
|
|
|
|
} \
|
|
|
|
|
} \
|
|
|
|
|
OPAL_THREAD_UNLOCK(&(sendreq)->req_mutex); \
|
|
|
|
|
} while(0)
|
|
|
|
|
|
2005-11-22 20:24:47 +03:00
|
|
|
|
|
|
|
|
/*
|
|
|
|
|
* Update bytes delivered on request based on supplied descriptor
|
|
|
|
|
*/
|
|
|
|
|
|
2005-12-21 00:42:58 +03:00
|
|
|
#define MCA_PML_DR_SEND_REQUEST_SET_BYTES_DELIVERED(sendreq, descriptor, hdrlen) \
|
2005-11-22 20:24:47 +03:00
|
|
|
do { \
|
|
|
|
|
size_t i; \
|
|
|
|
|
mca_btl_base_segment_t* segments = descriptor->des_src; \
|
|
|
|
|
\
|
|
|
|
|
for(i=0; i<descriptor->des_src_cnt; i++) { \
|
|
|
|
|
sendreq->req_bytes_delivered += segments[i].seg_len; \
|
|
|
|
|
} \
|
|
|
|
|
sendreq->req_bytes_delivered -= hdrlen; \
|
|
|
|
|
\
|
|
|
|
|
} while(0)
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
|
* Attempt to process any pending requests
|
|
|
|
|
*/
|
|
|
|
|
|
2005-12-21 00:42:58 +03:00
|
|
|
#define MCA_PML_DR_SEND_REQUEST_PROCESS_PENDING() \
|
2005-11-22 20:24:47 +03:00
|
|
|
do { \
|
|
|
|
|
/* advance pending requests */ \
|
2005-12-21 00:42:58 +03:00
|
|
|
while(opal_list_get_size(&mca_pml_dr.send_pending)) { \
|
|
|
|
|
mca_pml_dr_send_request_t* sendreq; \
|
|
|
|
|
OPAL_THREAD_LOCK(&mca_pml_dr.lock); \
|
|
|
|
|
sendreq = (mca_pml_dr_send_request_t*) \
|
|
|
|
|
opal_list_remove_first(&mca_pml_dr.send_pending); \
|
|
|
|
|
OPAL_THREAD_UNLOCK(&mca_pml_dr.lock); \
|
2005-11-22 20:24:47 +03:00
|
|
|
if(NULL == sendreq) \
|
|
|
|
|
break; \
|
2005-12-21 00:42:58 +03:00
|
|
|
mca_pml_dr_send_request_schedule(sendreq); \
|
2005-11-22 20:24:47 +03:00
|
|
|
} \
|
|
|
|
|
} while (0)
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
* Start the specified request
|
|
|
|
|
*/
|
|
|
|
|
|
|
|
|
|
int mca_pml_dr_send_request_start_buffered(
|
|
|
|
|
mca_pml_dr_send_request_t* sendreq,
|
|
|
|
|
mca_bml_base_btl_t* bml_btl,
|
|
|
|
|
size_t size);
|
|
|
|
|
|
|
|
|
|
int mca_pml_dr_send_request_start_copy(
|
|
|
|
|
mca_pml_dr_send_request_t* sendreq,
|
|
|
|
|
mca_bml_base_btl_t* bml_btl,
|
|
|
|
|
size_t size);
|
|
|
|
|
|
|
|
|
|
int mca_pml_dr_send_request_start_prepare(
|
|
|
|
|
mca_pml_dr_send_request_t* sendreq,
|
|
|
|
|
mca_bml_base_btl_t* bml_btl,
|
|
|
|
|
size_t size);
|
|
|
|
|
|
|
|
|
|
int mca_pml_dr_send_request_start_rndv(
|
|
|
|
|
mca_pml_dr_send_request_t* sendreq,
|
|
|
|
|
mca_bml_base_btl_t* bml_btl,
|
|
|
|
|
size_t size,
|
|
|
|
|
int flags);
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
* Schedule additional fragments
|
|
|
|
|
*/
|
|
|
|
|
int mca_pml_dr_send_request_schedule(
|
|
|
|
|
mca_pml_dr_send_request_t* sendreq);
|
|
|
|
|
|
2005-12-21 00:42:58 +03:00
|
|
|
int mca_pml_dr_send_request_reschedule(
|
|
|
|
|
mca_pml_dr_send_request_t* sendreq,
|
|
|
|
|
mca_pml_dr_vfrag_t* vfrag);
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
* Acknowledgment of vfrag
|
|
|
|
|
*/
|
|
|
|
|
void mca_pml_dr_send_request_acked(
|
|
|
|
|
mca_pml_dr_send_request_t* sendreq,
|
|
|
|
|
mca_pml_dr_ack_hdr_t*);
|
|
|
|
|
|
|
|
|
|
void mca_pml_dr_send_request_nacked(
|
|
|
|
|
mca_pml_dr_send_request_t* sendreq,
|
|
|
|
|
mca_pml_dr_ack_hdr_t*);
|
|
|
|
|
|
2005-11-22 20:24:47 +03:00
|
|
|
/**
|
|
|
|
|
* Completion callback on match header
|
|
|
|
|
* Cache descriptor.
|
|
|
|
|
*/
|
|
|
|
|
void mca_pml_dr_match_completion_cache(
|
|
|
|
|
struct mca_btl_base_module_t* btl,
|
|
|
|
|
struct mca_btl_base_endpoint_t* ep,
|
|
|
|
|
struct mca_btl_base_descriptor_t* descriptor,
|
|
|
|
|
int status);
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
* Completion callback on match header
|
|
|
|
|
* Free descriptor.
|
|
|
|
|
*/
|
|
|
|
|
void mca_pml_dr_match_completion_free(
|
|
|
|
|
struct mca_btl_base_module_t* btl,
|
|
|
|
|
struct mca_btl_base_endpoint_t* ep,
|
|
|
|
|
struct mca_btl_base_descriptor_t* descriptor,
|
|
|
|
|
int status);
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
#if defined(c_plusplus) || defined(__cplusplus)
|
|
|
|
|
}
|
|
|
|
|
#endif
|
|
|
|
|
#endif
|
|
|
|
|
|
