457 строки
16 KiB
C
457 строки
16 KiB
C
/* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil -*- */
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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 (c) 2009 IBM Corporation. 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 MCA_PML_OB1_HEADER_H
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#define MCA_PML_OB1_HEADER_H
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#include "ompi_config.h"
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#ifdef HAVE_SYS_TYPES_H
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#include <sys/types.h>
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#endif
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#ifdef HAVE_NETINET_IN_H
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#include <netinet/in.h>
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#endif
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#include "opal/types.h"
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#include "opal/util/arch.h"
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#include "ompi/mca/btl/btl.h"
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#include "ompi/proc/proc.h"
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#define MCA_PML_OB1_HDR_TYPE_MATCH (MCA_BTL_TAG_PML + 1)
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#define MCA_PML_OB1_HDR_TYPE_RNDV (MCA_BTL_TAG_PML + 2)
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#define MCA_PML_OB1_HDR_TYPE_RGET (MCA_BTL_TAG_PML + 3)
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#define MCA_PML_OB1_HDR_TYPE_ACK (MCA_BTL_TAG_PML + 4)
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#define MCA_PML_OB1_HDR_TYPE_NACK (MCA_BTL_TAG_PML + 5)
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#define MCA_PML_OB1_HDR_TYPE_FRAG (MCA_BTL_TAG_PML + 6)
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#define MCA_PML_OB1_HDR_TYPE_GET (MCA_BTL_TAG_PML + 7)
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#define MCA_PML_OB1_HDR_TYPE_PUT (MCA_BTL_TAG_PML + 8)
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#define MCA_PML_OB1_HDR_TYPE_FIN (MCA_BTL_TAG_PML + 9)
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#define MCA_PML_OB1_HDR_FLAGS_ACK 1 /* is an ack required */
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#define MCA_PML_OB1_HDR_FLAGS_NBO 2 /* is the hdr in network byte order */
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#define MCA_PML_OB1_HDR_FLAGS_PIN 4 /* is user buffer pinned */
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#define MCA_PML_OB1_HDR_FLAGS_CONTIG 8 /* is user buffer contiguous */
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#define MCA_PML_OB1_HDR_FLAGS_NORDMA 16 /* rest will be send by copy-in-out */
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/**
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* Common hdr attributes - must be first element in each hdr type
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*/
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struct mca_pml_ob1_common_hdr_t {
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uint8_t hdr_type; /**< type of envelope */
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uint8_t hdr_flags; /**< flags indicating how fragment should be processed */
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};
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typedef struct mca_pml_ob1_common_hdr_t mca_pml_ob1_common_hdr_t;
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#define MCA_PML_OB1_COMMON_HDR_NTOH(h)
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#define MCA_PML_OB1_COMMON_HDR_HTON(h)
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/**
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* Header definition for the first fragment, contains the
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* attributes required to match the corresponding posted receive.
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*/
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struct mca_pml_ob1_match_hdr_t {
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mca_pml_ob1_common_hdr_t hdr_common; /**< common attributes */
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uint16_t hdr_ctx; /**< communicator index */
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int32_t hdr_src; /**< source rank */
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int32_t hdr_tag; /**< user tag */
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uint16_t hdr_seq; /**< message sequence number */
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#if OPAL_ENABLE_HETEROGENEOUS_SUPPORT
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uint8_t hdr_padding[2]; /**< explicitly pad to 16 bytes. Compilers seem to already prefer to do this, but make it explicit just in case */
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#endif
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};
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#if OPAL_ENABLE_HETEROGENEOUS_SUPPORT
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#define OMPI_PML_OB1_MATCH_HDR_LEN 16
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#else
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#define OMPI_PML_OB1_MATCH_HDR_LEN 14
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#endif
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typedef struct mca_pml_ob1_match_hdr_t mca_pml_ob1_match_hdr_t;
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#if OPAL_ENABLE_HETEROGENEOUS_SUPPORT && OPAL_ENABLE_DEBUG
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#define MCA_PML_OB1_MATCH_HDR_FILL(h) \
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do { \
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(h).hdr_padding[0] = 0; \
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(h).hdr_padding[1] = 0; \
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} while(0)
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#else
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#define MCA_PML_OB1_MATCH_HDR_FILL(h)
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#endif /* OPAL_ENABLE_HETEROGENEOUS_SUPPORT && OPAL_ENABLE_DEBUG */
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#define MCA_PML_OB1_MATCH_HDR_NTOH(h) \
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do { \
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MCA_PML_OB1_COMMON_HDR_NTOH((h).hdr_common); \
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(h).hdr_ctx = ntohs((h).hdr_ctx); \
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(h).hdr_src = ntohl((h).hdr_src); \
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(h).hdr_tag = ntohl((h).hdr_tag); \
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(h).hdr_seq = ntohs((h).hdr_seq); \
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} while (0)
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#define MCA_PML_OB1_MATCH_HDR_HTON(h) \
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do { \
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MCA_PML_OB1_COMMON_HDR_HTON((h).hdr_common); \
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MCA_PML_OB1_MATCH_HDR_FILL(h); \
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(h).hdr_ctx = htons((h).hdr_ctx); \
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(h).hdr_src = htonl((h).hdr_src); \
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(h).hdr_tag = htonl((h).hdr_tag); \
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(h).hdr_seq = htons((h).hdr_seq); \
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} while (0)
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/**
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* Header definition for the first fragment when an acknowledgment
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* is required. This could be the first fragment of a large message
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* or a short message that requires an ack (synchronous).
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*/
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struct mca_pml_ob1_rendezvous_hdr_t {
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mca_pml_ob1_match_hdr_t hdr_match;
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uint64_t hdr_msg_length; /**< message length */
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ompi_ptr_t hdr_src_req; /**< pointer to source request - returned in ack */
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};
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typedef struct mca_pml_ob1_rendezvous_hdr_t mca_pml_ob1_rendezvous_hdr_t;
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#if OPAL_ENABLE_HETEROGENEOUS_SUPPORT && OPAL_ENABLE_DEBUG
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#define MCA_PML_OB1_RNDV_HDR_FILL(h) \
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MCA_PML_OB1_MATCH_HDR_FILL((h).hdr_match)
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#else
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#define MCA_PML_OB1_RNDV_HDR_FILL(h)
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#endif /* OPAL_ENABLE_HETEROGENEOUS_SUPPORT && OPAL_ENABLE_DEBUG */
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/* Note that hdr_src_req is not put in network byte order because it
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is never processed by the receiver, other than being copied into
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the ack header */
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#define MCA_PML_OB1_RNDV_HDR_NTOH(h) \
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do { \
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MCA_PML_OB1_MATCH_HDR_NTOH((h).hdr_match); \
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(h).hdr_msg_length = ntoh64((h).hdr_msg_length); \
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} while (0)
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#define MCA_PML_OB1_RNDV_HDR_HTON(h) \
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do { \
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MCA_PML_OB1_MATCH_HDR_HTON((h).hdr_match); \
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MCA_PML_OB1_RNDV_HDR_FILL(h); \
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(h).hdr_msg_length = hton64((h).hdr_msg_length); \
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} while (0)
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/**
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* Header definition for a combined rdma rendezvous/get
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*/
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struct mca_pml_ob1_rget_hdr_t {
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mca_pml_ob1_rendezvous_hdr_t hdr_rndv;
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uint32_t hdr_seg_cnt; /**< number of segments for rdma */
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#if OPAL_ENABLE_HETEROGENEOUS_SUPPORT
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uint8_t hdr_padding[4];
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#endif
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ompi_ptr_t hdr_des; /**< source descriptor */
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mca_btl_base_segment_t hdr_segs[1]; /**< list of segments for rdma */
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};
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typedef struct mca_pml_ob1_rget_hdr_t mca_pml_ob1_rget_hdr_t;
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#if OPAL_ENABLE_HETEROGENEOUS_SUPPORT && OPAL_ENABLE_DEBUG
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#define MCA_PML_OB1_RGET_HDR_FILL(h) \
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do { \
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MCA_PML_OB1_RNDV_HDR_FILL((h).hdr_rndv); \
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(h).hdr_padding[0] = 0; \
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(h).hdr_padding[1] = 0; \
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(h).hdr_padding[2] = 0; \
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(h).hdr_padding[3] = 0; \
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} while(0)
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#else
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#define MCA_PML_OB1_RGET_HDR_FILL(h)
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#endif /* OPAL_ENABLE_HETEROGENEOUS_SUPPORT && OPAL_ENABLE_DEBUG */
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#define MCA_PML_OB1_RGET_HDR_NTOH(h) \
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do { \
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MCA_PML_OB1_RNDV_HDR_NTOH((h).hdr_rndv); \
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(h).hdr_seg_cnt = ntohl((h).hdr_seg_cnt); \
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} while (0)
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#define MCA_PML_OB1_RGET_HDR_HTON(h) \
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do { \
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MCA_PML_OB1_RNDV_HDR_HTON((h).hdr_rndv); \
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MCA_PML_OB1_RGET_HDR_FILL(h); \
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(h).hdr_seg_cnt = htonl((h).hdr_seg_cnt); \
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} while (0)
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/**
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* Header for subsequent fragments.
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*/
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struct mca_pml_ob1_frag_hdr_t {
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mca_pml_ob1_common_hdr_t hdr_common; /**< common attributes */
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#if OPAL_ENABLE_HETEROGENEOUS_SUPPORT
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uint8_t hdr_padding[6];
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#endif
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uint64_t hdr_frag_offset; /**< offset into message */
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ompi_ptr_t hdr_src_req; /**< pointer to source request */
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ompi_ptr_t hdr_dst_req; /**< pointer to matched receive */
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};
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typedef struct mca_pml_ob1_frag_hdr_t mca_pml_ob1_frag_hdr_t;
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#if OPAL_ENABLE_HETEROGENEOUS_SUPPORT && OPAL_ENABLE_DEBUG
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#define MCA_PML_OB1_FRAG_HDR_FILL(h) \
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do { \
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(h).hdr_padding[0] = 0; \
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(h).hdr_padding[1] = 0; \
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(h).hdr_padding[2] = 0; \
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(h).hdr_padding[3] = 0; \
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(h).hdr_padding[4] = 0; \
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(h).hdr_padding[5] = 0; \
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} while(0)
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#else
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#define MCA_PML_OB1_FRAG_HDR_FILL(h)
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#endif /* OPAL_ENABLE_HETEROGENEOUS_SUPPORT && OPAL_ENABLE_DEBUG */
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#define MCA_PML_OB1_FRAG_HDR_NTOH(h) \
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do { \
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MCA_PML_OB1_COMMON_HDR_NTOH((h).hdr_common); \
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(h).hdr_frag_offset = ntoh64((h).hdr_frag_offset); \
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} while (0)
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#define MCA_PML_OB1_FRAG_HDR_HTON(h) \
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do { \
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MCA_PML_OB1_COMMON_HDR_HTON((h).hdr_common); \
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MCA_PML_OB1_FRAG_HDR_FILL(h); \
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(h).hdr_frag_offset = hton64((h).hdr_frag_offset); \
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} while (0)
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/**
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* Header used to acknowledgment outstanding fragment(s).
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*/
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struct mca_pml_ob1_ack_hdr_t {
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mca_pml_ob1_common_hdr_t hdr_common; /**< common attributes */
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#if OPAL_ENABLE_HETEROGENEOUS_SUPPORT
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uint8_t hdr_padding[6];
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#endif
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ompi_ptr_t hdr_src_req; /**< source request */
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ompi_ptr_t hdr_dst_req; /**< matched receive request */
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uint64_t hdr_send_offset; /**< starting point of copy in/out */
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};
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typedef struct mca_pml_ob1_ack_hdr_t mca_pml_ob1_ack_hdr_t;
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#if OPAL_ENABLE_HETEROGENEOUS_SUPPORT && OPAL_ENABLE_DEBUG
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#define MCA_PML_OB1_ACK_HDR_FILL(h) \
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do { \
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(h).hdr_padding[0] = 0; \
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(h).hdr_padding[1] = 0; \
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(h).hdr_padding[2] = 0; \
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(h).hdr_padding[3] = 0; \
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(h).hdr_padding[4] = 0; \
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(h).hdr_padding[5] = 0; \
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} while (0)
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#else
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#define MCA_PML_OB1_ACK_HDR_FILL(h)
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#endif /* OPAL_ENABLE_HETEROGENEOUS_SUPPORT && OPAL_ENABLE_DEBUG */
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/* Note that the request headers are not put in NBO because the
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src_req is already in receiver's byte order and the dst_req is not
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used by the receiver for anything other than backpointers in return
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headers */
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#define MCA_PML_OB1_ACK_HDR_NTOH(h) \
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do { \
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MCA_PML_OB1_COMMON_HDR_NTOH((h).hdr_common); \
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(h).hdr_send_offset = ntoh64((h).hdr_send_offset); \
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} while (0)
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#define MCA_PML_OB1_ACK_HDR_HTON(h) \
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do { \
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MCA_PML_OB1_COMMON_HDR_HTON((h).hdr_common); \
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MCA_PML_OB1_ACK_HDR_FILL(h); \
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(h).hdr_send_offset = hton64((h).hdr_send_offset); \
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} while (0)
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/**
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* Header used to initiate an RDMA operation.
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*/
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struct mca_pml_ob1_rdma_hdr_t {
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mca_pml_ob1_common_hdr_t hdr_common; /**< common attributes */
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#if OPAL_ENABLE_HETEROGENEOUS_SUPPORT
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uint8_t hdr_padding[2]; /** two to pad out the hdr to a 4 byte alignment. hdr_req will then be 8 byte aligned after 4 for hdr_seg_cnt */
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#endif
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uint32_t hdr_seg_cnt; /**< number of segments for rdma */
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ompi_ptr_t hdr_req; /**< destination request */
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ompi_ptr_t hdr_des; /**< source descriptor */
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uint64_t hdr_rdma_offset; /**< current offset into user buffer */
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mca_btl_base_segment_t hdr_segs[1]; /**< list of segments for rdma */
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};
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typedef struct mca_pml_ob1_rdma_hdr_t mca_pml_ob1_rdma_hdr_t;
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#if OPAL_ENABLE_HETEROGENEOUS_SUPPORT && OPAL_ENABLE_DEBUG
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#define MCA_PML_OB1_RDMA_HDR_FILL(h) \
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do { \
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(h).hdr_padding[0] = 0; \
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(h).hdr_padding[1] = 0; \
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} while(0)
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#else
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#define MCA_PML_OB1_RDMA_HDR_FILL(h)
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#endif /* OPAL_ENABLE_HETEROGENEOUS_SUPPORT && OPAL_ENABLE_DEBUG */
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#define MCA_PML_OB1_RDMA_HDR_NTOH(h) \
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do { \
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MCA_PML_OB1_COMMON_HDR_NTOH((h).hdr_common); \
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(h).hdr_seg_cnt = ntohl((h).hdr_seg_cnt); \
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(h).hdr_rdma_offset = ntoh64((h).hdr_rdma_offset); \
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} while (0)
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#define MCA_PML_OB1_RDMA_HDR_HTON(h) \
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do { \
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MCA_PML_OB1_COMMON_HDR_HTON((h).hdr_common); \
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MCA_PML_OB1_RDMA_HDR_FILL(h); \
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(h).hdr_seg_cnt = htonl((h).hdr_seg_cnt); \
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(h).hdr_rdma_offset = hton64((h).hdr_rdma_offset); \
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} while (0)
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/**
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* Header used to complete an RDMA operation.
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*/
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struct mca_pml_ob1_fin_hdr_t {
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mca_pml_ob1_common_hdr_t hdr_common; /**< common attributes */
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#if OPAL_ENABLE_HETEROGENEOUS_SUPPORT
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uint8_t hdr_padding[2];
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#endif
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uint32_t hdr_fail; /**< RDMA operation failed */
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ompi_ptr_t hdr_des; /**< completed descriptor */
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};
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typedef struct mca_pml_ob1_fin_hdr_t mca_pml_ob1_fin_hdr_t;
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#if OPAL_ENABLE_HETEROGENEOUS_SUPPORT && OPAL_ENABLE_DEBUG
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#define MCA_PML_OB1_FIN_HDR_FILL(h) \
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do { \
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(h).hdr_padding[0] = 0; \
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(h).hdr_padding[1] = 0; \
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} while (0)
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#else
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#define MCA_PML_OB1_FIN_HDR_FILL(h)
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#endif /* OPAL_ENABLE_HETEROGENEOUS_SUPPORT && OPAL_ENABLE_DEBUG */
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#define MCA_PML_OB1_FIN_HDR_NTOH(h) \
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do { \
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MCA_PML_OB1_COMMON_HDR_NTOH((h).hdr_common); \
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} while (0)
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#define MCA_PML_OB1_FIN_HDR_HTON(h) \
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do { \
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MCA_PML_OB1_COMMON_HDR_HTON((h).hdr_common); \
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MCA_PML_OB1_FIN_HDR_FILL(h); \
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} while (0)
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/**
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* Union of defined hdr types.
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*/
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union mca_pml_ob1_hdr_t {
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mca_pml_ob1_common_hdr_t hdr_common;
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mca_pml_ob1_match_hdr_t hdr_match;
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mca_pml_ob1_rendezvous_hdr_t hdr_rndv;
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mca_pml_ob1_rget_hdr_t hdr_rget;
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mca_pml_ob1_frag_hdr_t hdr_frag;
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mca_pml_ob1_ack_hdr_t hdr_ack;
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mca_pml_ob1_rdma_hdr_t hdr_rdma;
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mca_pml_ob1_fin_hdr_t hdr_fin;
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};
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typedef union mca_pml_ob1_hdr_t mca_pml_ob1_hdr_t;
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#if !defined(WORDS_BIGENDIAN) && OPAL_ENABLE_HETEROGENEOUS_SUPPORT
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static inline __opal_attribute_always_inline__ void
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ob1_hdr_ntoh(mca_pml_ob1_hdr_t *hdr, const uint8_t hdr_type)
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{
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if(!(hdr->hdr_common.hdr_flags & MCA_PML_OB1_HDR_FLAGS_NBO))
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return;
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switch(hdr_type) {
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case MCA_PML_OB1_HDR_TYPE_MATCH:
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MCA_PML_OB1_MATCH_HDR_NTOH(hdr->hdr_match);
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break;
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case MCA_PML_OB1_HDR_TYPE_RNDV:
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MCA_PML_OB1_RNDV_HDR_NTOH(hdr->hdr_rndv);
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break;
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case MCA_PML_OB1_HDR_TYPE_RGET:
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MCA_PML_OB1_RGET_HDR_NTOH(hdr->hdr_rget);
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break;
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case MCA_PML_OB1_HDR_TYPE_ACK:
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MCA_PML_OB1_ACK_HDR_NTOH(hdr->hdr_ack);
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break;
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case MCA_PML_OB1_HDR_TYPE_FRAG:
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MCA_PML_OB1_FRAG_HDR_NTOH(hdr->hdr_frag);
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break;
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case MCA_PML_OB1_HDR_TYPE_PUT:
|
|
MCA_PML_OB1_RDMA_HDR_NTOH(hdr->hdr_rdma);
|
|
break;
|
|
case MCA_PML_OB1_HDR_TYPE_FIN:
|
|
MCA_PML_OB1_FIN_HDR_NTOH(hdr->hdr_fin);
|
|
break;
|
|
default:
|
|
assert(0);
|
|
break;
|
|
}
|
|
}
|
|
#else
|
|
#define ob1_hdr_ntoh(h, t) do{}while(0)
|
|
#endif
|
|
|
|
#if OPAL_ENABLE_HETEROGENEOUS_SUPPORT
|
|
#define ob1_hdr_hton(h, t, p) \
|
|
ob1_hdr_hton_intr((mca_pml_ob1_hdr_t*)h, t, p)
|
|
static inline __opal_attribute_always_inline__ void
|
|
ob1_hdr_hton_intr(mca_pml_ob1_hdr_t *hdr, const uint8_t hdr_type,
|
|
const ompi_proc_t *proc)
|
|
{
|
|
#ifdef WORDS_BIGENDIAN
|
|
hdr->hdr_common.hdr_flags |= MCA_PML_OB1_HDR_FLAGS_NBO;
|
|
#else
|
|
|
|
if(!(proc->proc_arch & OPAL_ARCH_ISBIGENDIAN))
|
|
return;
|
|
|
|
hdr->hdr_common.hdr_flags |= MCA_PML_OB1_HDR_FLAGS_NBO;
|
|
switch(hdr_type) {
|
|
case MCA_PML_OB1_HDR_TYPE_MATCH:
|
|
MCA_PML_OB1_MATCH_HDR_HTON(hdr->hdr_match);
|
|
break;
|
|
case MCA_PML_OB1_HDR_TYPE_RNDV:
|
|
MCA_PML_OB1_RNDV_HDR_HTON(hdr->hdr_rndv);
|
|
break;
|
|
case MCA_PML_OB1_HDR_TYPE_RGET:
|
|
MCA_PML_OB1_RGET_HDR_HTON(hdr->hdr_rget);
|
|
break;
|
|
case MCA_PML_OB1_HDR_TYPE_ACK:
|
|
MCA_PML_OB1_ACK_HDR_HTON(hdr->hdr_ack);
|
|
break;
|
|
case MCA_PML_OB1_HDR_TYPE_FRAG:
|
|
MCA_PML_OB1_FRAG_HDR_HTON(hdr->hdr_frag);
|
|
break;
|
|
case MCA_PML_OB1_HDR_TYPE_PUT:
|
|
MCA_PML_OB1_RDMA_HDR_HTON(hdr->hdr_rdma);
|
|
break;
|
|
case MCA_PML_OB1_HDR_TYPE_FIN:
|
|
MCA_PML_OB1_FIN_HDR_HTON(hdr->hdr_fin);
|
|
break;
|
|
default:
|
|
assert(0);
|
|
break;
|
|
}
|
|
#endif
|
|
}
|
|
#else
|
|
#define ob1_hdr_hton(h, t, p) do{}while(0)
|
|
#endif
|
|
#endif
|