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