88 строки
3.1 KiB
C
88 строки
3.1 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) 2004-2013 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) 2014 Los Alamos National Security, LLC. All rights
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* 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_RDMAFRAG_H
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#define MCA_PML_OB1_RDMAFRAG_H
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#include "pml_ob1_hdr.h"
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BEGIN_C_DECLS
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typedef enum {
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MCA_PML_OB1_RDMA_PUT,
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MCA_PML_OB1_RDMA_GET
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} mca_pml_ob1_rdma_state_t;
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struct mca_pml_ob1_rdma_frag_t;
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typedef void (*mca_pml_ob1_rdma_frag_callback_t)(struct mca_pml_ob1_rdma_frag_t *frag, int64_t rdma_length);
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/**
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* Used to keep track of local and remote RDMA operations.
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*/
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struct mca_pml_ob1_rdma_frag_t {
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ompi_free_list_item_t super;
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mca_bml_base_btl_t *rdma_bml;
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mca_pml_ob1_hdr_t rdma_hdr;
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mca_pml_ob1_rdma_state_t rdma_state;
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size_t rdma_length;
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void *rdma_req;
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uint32_t retries;
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mca_pml_ob1_rdma_frag_callback_t cbfunc;
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uint64_t rdma_offset;
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void *local_address;
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mca_btl_base_registration_handle_t *local_handle;
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uint64_t remote_address;
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uint8_t remote_handle[MCA_BTL_REG_HANDLE_MAX_SIZE];
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};
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typedef struct mca_pml_ob1_rdma_frag_t mca_pml_ob1_rdma_frag_t;
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OBJ_CLASS_DECLARATION(mca_pml_ob1_rdma_frag_t);
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#define MCA_PML_OB1_RDMA_FRAG_ALLOC(frag) \
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do { \
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ompi_free_list_item_t* item; \
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OMPI_FREE_LIST_WAIT_MT(&mca_pml_ob1.rdma_frags, item); \
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frag = (mca_pml_ob1_rdma_frag_t*)item; \
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} while(0)
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#define MCA_PML_OB1_RDMA_FRAG_RETURN(frag) \
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do { \
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/* return fragment */ \
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if (frag->local_handle) { \
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mca_bml_base_deregister_mem (frag->rdma_bml, frag->local_handle); \
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frag->local_handle = NULL; \
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} \
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OMPI_FREE_LIST_RETURN_MT(&mca_pml_ob1.rdma_frags, \
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(ompi_free_list_item_t*)frag); \
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} while (0)
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END_C_DECLS
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#endif
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