138 строки
4.2 KiB
C
138 строки
4.2 KiB
C
/* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil -*- */
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/*
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* Copyright (c) 2013 Mellanox Technologies, Inc.
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* All rights reserved.
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* Copyright (c) 2015 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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* Atomic Operations Interface
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*
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*/
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#ifndef OSHMEM_MCA_ATOMIC_H
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#define OSHMEM_MCA_ATOMIC_H
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#include "oshmem_config.h"
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#include "oshmem/types.h"
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#include "oshmem/constants.h"
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#include "opal/util/output.h"
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#include "mpi.h"
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#include "oshmem/mca/mca.h"
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#include "opal/mca/base/base.h"
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#include "oshmem/mca/atomic/base/base.h"
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BEGIN_C_DECLS
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#define OSHMEM_ATOMIC_PTR_2_INT(ptr, size) ((size) == 8 ? *(uint64_t*)(ptr) : *(uint32_t*)(ptr))
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/* ******************************************************************** */
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struct oshmem_op_t;
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/* ******************************************************************** */
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typedef int (*mca_atomic_base_component_init_fn_t)(bool enable_progress_threads,
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bool enable_threads);
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typedef int (*mca_atomic_base_component_finalize_fn_t)(void);
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typedef struct mca_atomic_base_module_1_0_0_t* (*mca_atomic_base_component_query_fn_t)(int *priority);
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/* ******************************************************************** */
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/**
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* Atomic component interface
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*
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* Component interface for the atomic framework. A public
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* instance of this structure, called
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* mca_atomic_[component_name]_component, must exist in any atomic
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* component.
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*/
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struct mca_atomic_base_component_1_0_0_t {
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/** Base component description */
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mca_base_component_t atomic_version;
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/** Base component data block */
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mca_base_component_data_t atomic_data;
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/** Component initialization function */
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mca_atomic_base_component_init_fn_t atomic_init;
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mca_atomic_base_component_finalize_fn_t atomic_finalize;
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mca_atomic_base_component_query_fn_t atomic_query;
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/* priority for component */
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int priority;
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};
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typedef struct mca_atomic_base_component_1_0_0_t mca_atomic_base_component_1_0_0_t;
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/** Per guidence in mca.h, use the unversioned struct name if you just
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want to always keep up with the most recent version of the
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interace. */
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typedef struct mca_atomic_base_component_1_0_0_t mca_atomic_base_component_t;
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/**
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* Atomic module interface
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*
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*/
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struct mca_atomic_base_module_1_0_0_t {
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/** Collective modules all inherit from opal_object */
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opal_object_t super;
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/* Collective function pointers */
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int (*atomic_add)(void *target,
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uint64_t value,
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size_t size,
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int pe);
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int (*atomic_fadd)(void *target,
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void *prev,
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uint64_t value,
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size_t size,
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int pe);
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int (*atomic_swap)(void *target,
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void *prev,
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uint64_t value,
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size_t size,
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int pe);
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int (*atomic_cswap)(void *target,
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uint64_t *prev, /* prev is used internally by wrapper, we may
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always use 64-bit value */
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uint64_t cond,
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uint64_t value,
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size_t size,
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int pe);
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};
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typedef struct mca_atomic_base_module_1_0_0_t mca_atomic_base_module_1_0_0_t;
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/** Per guidence in mca.h, use the unversioned struct name if you just
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want to always keep up with the most recent version of the
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interace. */
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typedef struct mca_atomic_base_module_1_0_0_t mca_atomic_base_module_t;
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OSHMEM_DECLSPEC OBJ_CLASS_DECLARATION(mca_atomic_base_module_t);
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/* ******************************************************************** */
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/*
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* Macro for use in components
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*/
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#define MCA_ATOMIC_BASE_VERSION_2_0_0 \
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OSHMEM_MCA_BASE_VERSION_2_1_0("atomic", 1, 0, 0)
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/* ******************************************************************** */
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OSHMEM_DECLSPEC extern mca_atomic_base_component_t mca_atomic_base_selected_component;
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OSHMEM_DECLSPEC extern mca_atomic_base_module_t mca_atomic;
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#define MCA_ATOMIC_CALL(a) mca_atomic.atomic_ ## a
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END_C_DECLS
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#endif /* OSHMEM_MCA_ATOMIC_H */
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