308 строки
15 KiB
C
308 строки
15 KiB
C
/*
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* Copyright (c) 2004-2005 The Trustees of Indiana University.
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* All rights reserved.
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* Copyright (c) 2004-2005 The Trustees of the University of Tennessee.
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* All rights 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_OB1_RECV_REQUEST_H
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#define OMPI_PML_OB1_RECV_REQUEST_H
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#include "pml_ob1.h"
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#include "pml_ob1_proc.h"
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#include "mca/mpool/base/base.h"
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#include "mca/pml/base/pml_base_recvreq.h"
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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_ob1_registration_t {
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struct mca_pml_ob1_endpoint_t* endpoint;
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struct mca_mpool_base_registration_t* registration;
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};
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typedef struct mca_pml_ob1_registration_t mca_pml_ob1_registration_t;
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struct mca_pml_ob1_recv_request_t {
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mca_pml_base_recv_request_t req_recv;
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struct mca_pml_proc_t *req_proc;
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struct mca_mpool_base_chunk_t* req_chunk;
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struct mca_mpool_base_reg_mpool_t* req_mpool;
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ompi_ptr_t req_send;
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int32_t req_lock;
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size_t req_pipeline_depth;
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size_t req_bytes_received;
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size_t req_bytes_delivered;
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size_t req_rdma_offset;
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mca_pml_ob1_registration_t req_reg[MCA_MPOOL_BASE_MAX_REG];
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size_t req_num_reg;
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#if MCA_PML_OB1_TIMESTAMPS
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unsigned long long ack;
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unsigned long long pin1[MCA_PML_OB1_NUM_TSTAMPS];
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unsigned long long pin2[MCA_PML_OB1_NUM_TSTAMPS];
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unsigned long long fin1[MCA_PML_OB1_NUM_TSTAMPS];
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unsigned long long fin2[MCA_PML_OB1_NUM_TSTAMPS];
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int pin_index;
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int fin_index;
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#endif
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};
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typedef struct mca_pml_ob1_recv_request_t mca_pml_ob1_recv_request_t;
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OBJ_CLASS_DECLARATION(mca_pml_ob1_recv_request_t);
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/**
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* Allocate a recv request from the modules free list.
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*
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* @param rc (OUT) OMPI_SUCCESS or error status on failure.
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* @return Receive request.
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*/
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#define MCA_PML_OB1_RECV_REQUEST_ALLOC(recvreq, rc) \
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do { \
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opal_list_item_t* item; \
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rc = OMPI_SUCCESS; \
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OMPI_FREE_LIST_GET(&mca_pml_ob1.recv_requests, item, rc); \
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recvreq = (mca_pml_ob1_recv_request_t*)item; \
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} while(0)
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/**
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* Initialize a receive request with call parameters.
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*
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* @param request (IN) Receive request.
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* @param addr (IN) User buffer.
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* @param count (IN) Number of elements of indicated datatype.
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* @param datatype (IN) User defined datatype.
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* @param src (IN) Source rank w/in the communicator.
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* @param tag (IN) User defined tag.
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* @param comm (IN) Communicator.
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* @param persistent (IN) Is this a ersistent request.
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*/
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#define MCA_PML_OB1_RECV_REQUEST_INIT( \
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request, \
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addr, \
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count, \
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datatype, \
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src, \
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tag, \
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comm, \
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persistent) \
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do { \
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MCA_PML_BASE_RECV_REQUEST_INIT( \
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&(request)->req_recv, \
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addr, \
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count, \
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datatype, \
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src, \
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tag, \
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comm, \
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persistent); \
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} while(0)
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/**
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* Return a recv request to the modules free list.
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*
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* @param request (IN) Receive request.
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*/
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#define MCA_PML_OB1_RECV_REQUEST_RETURN(recvreq) \
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do { \
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if(NULL != (recvreq)->req_chunk) { \
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mca_mpool_base_reg_mpool_t* reg = (recvreq)->req_chunk->mpools; \
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while(NULL != reg->mpool) { \
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if(NULL != reg->mpool_registration) { \
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OBJ_RELEASE(reg->mpool_registration); \
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} \
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reg++; \
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} \
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OBJ_RELEASE((recvreq)->req_chunk); \
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} \
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\
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MCA_PML_BASE_RECV_REQUEST_FINI(&(recvreq)->req_recv); \
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OMPI_FREE_LIST_RETURN(&mca_pml_ob1.recv_requests, (opal_list_item_t*)(recvreq)); \
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} while(0)
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/**
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* Attempt to match the request against the unexpected fragment list
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* for all source ranks w/in the communicator.
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*
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* @param request (IN) Request to match.
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*/
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void mca_pml_ob1_recv_request_match_wild(mca_pml_ob1_recv_request_t* request);
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/**
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* Attempt to match the request against the unexpected fragment list
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* for a specific source rank.
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*
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* @param request (IN) Request to match.
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*/
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void mca_pml_ob1_recv_request_match_specific(mca_pml_ob1_recv_request_t* request);
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/**
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* Initialize diagnostic code for tracing rdma protocol timing
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*/
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#if MCA_PML_OB1_TIMESTAMPS
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#define MCA_PML_OB1_RECV_REQUEST_TSTAMPS_INIT(recvreq) \
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(request)->fin_index = 0; \
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(request)->pin_index = 0;
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#else
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#define MCA_PML_OB1_RECV_REQUEST_TSTAMPS_INIT(recvreq)
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#endif
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/**
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* Start an initialized request.
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*
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* @param request Receive request.
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* @return OMPI_SUCESS or error status on failure.
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*/
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#define MCA_PML_OB1_RECV_REQUEST_START(request) \
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do { \
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/* init/re-init the request */ \
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(request)->req_bytes_received = 0; \
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(request)->req_bytes_delivered = 0; \
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(request)->req_lock = 0; \
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(request)->req_chunk = NULL; \
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(request)->req_mpool = NULL; \
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(request)->req_pipeline_depth = 0; \
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(request)->req_recv.req_base.req_pml_complete = false; \
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(request)->req_recv.req_base.req_ompi.req_complete = false; \
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(request)->req_recv.req_base.req_ompi.req_state = OMPI_REQUEST_ACTIVE; \
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MCA_PML_OB1_RECV_REQUEST_TSTAMPS_INIT(request); \
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\
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/* always set the req_status.MPI_TAG to ANY_TAG before starting the \
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* request. This field is used if cancelled to find out if the request \
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* has been matched or not. \
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*/ \
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(request)->req_recv.req_base.req_ompi.req_status.MPI_TAG = OMPI_ANY_TAG; \
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(request)->req_recv.req_base.req_ompi.req_status.MPI_ERROR = OMPI_SUCCESS; \
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(request)->req_recv.req_base.req_ompi.req_status._cancelled = 0; \
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\
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/* attempt to match posted recv */ \
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if((request)->req_recv.req_base.req_peer == OMPI_ANY_SOURCE) { \
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mca_pml_ob1_recv_request_match_wild(request); \
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} else { \
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mca_pml_ob1_recv_request_match_specific(request); \
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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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#define MCA_PML_OB1_RECV_REQUEST_MATCHED( \
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request, \
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hdr) \
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do { \
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(request)->req_recv.req_bytes_packed = (hdr)->hdr_msg_length; \
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(request)->req_recv.req_base.req_ompi.req_status.MPI_TAG = (hdr)->hdr_tag; \
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(request)->req_recv.req_base.req_ompi.req_status.MPI_SOURCE = (hdr)->hdr_src; \
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\
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if((request)->req_recv.req_bytes_packed != 0) { \
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ompi_proc_t *proc = \
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ompi_comm_peer_lookup( \
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(request)->req_recv.req_base.req_comm, (hdr)->hdr_src); \
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\
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(request)->req_proc = proc->proc_pml; \
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ompi_convertor_copy_and_prepare_for_recv( proc->proc_convertor, \
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(request)->req_recv.req_base.req_datatype, \
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(request)->req_recv.req_base.req_count, \
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(request)->req_recv.req_base.req_addr, \
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&(request)->req_recv.req_convertor ); \
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} else { \
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(request)->req_proc = NULL; \
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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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#define MCA_PML_OB1_RECV_REQUEST_UNPACK( \
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request, \
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segments, \
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num_segments, \
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seg_offset, \
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data_offset, \
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bytes_received, \
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bytes_delivered) \
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do { \
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if(request->req_recv.req_bytes_packed > 0) { \
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struct iovec iov[MCA_BTL_DES_MAX_SEGMENTS]; \
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uint32_t iov_count = 0; \
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size_t max_data = bytes_received; \
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int32_t free_after = 0; \
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size_t n, offset = seg_offset; \
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\
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for(n=0; n<num_segments; n++) { \
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mca_btl_base_segment_t* segment = segments+n; \
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if(offset >= segment->seg_len) { \
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offset -= segment->seg_len; \
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} else { \
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iov[iov_count].iov_len = segment->seg_len - seg_offset; \
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iov[iov_count].iov_base = (void*)((unsigned char*)segment->seg_addr.pval + seg_offset); \
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iov_count++; \
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} \
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} \
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ompi_convertor_set_position( \
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&(request->req_recv.req_convertor), \
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&data_offset); \
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ompi_convertor_unpack( \
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&(request)->req_recv.req_convertor, \
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iov, \
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&iov_count, \
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&max_data, \
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&free_after); \
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bytes_delivered = max_data; \
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} else { \
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bytes_delivered = 0; \
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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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void mca_pml_ob1_recv_request_progress(
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mca_pml_ob1_recv_request_t* req,
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mca_btl_base_module_t* btl,
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mca_btl_base_segment_t* segments,
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size_t num_segments);
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/**
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*
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*/
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void mca_pml_ob1_recv_request_schedule(
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mca_pml_ob1_recv_request_t* req);
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/**
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*
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*/
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void mca_pml_ob1_recv_request_fin(
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mca_pml_ob1_recv_request_t* req,
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size_t rdma_length);
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#if defined(c_plusplus) || defined(__cplusplus)
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}
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#endif
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#endif
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