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/* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil -*- */
/*
* Copyright (c) 2013 Mellanox Technologies, Inc.
* All rights reserved.
* Copyright (c) 2015 Los Alamos National Security, LLC. All rights
* reserved.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
/**
* @file
*
* Atomic Operations Interface
*
*/
#ifndef OSHMEM_MCA_ATOMIC_H
#define OSHMEM_MCA_ATOMIC_H
#include "oshmem_config.h"
#include "oshmem/types.h"
#include "oshmem/constants.h"
#include "opal/util/output.h"
#include "mpi.h"
#include "oshmem/mca/mca.h"
#include "opal/mca/base/base.h"
#include "oshmem/mca/atomic/base/base.h"
BEGIN_C_DECLS
#define OSHMEM_ATOMIC_PTR_2_INT(ptr, size) ((size) == 8 ? *(uint64_t*)(ptr) : *(uint32_t*)(ptr))
#define DO_SHMEM_TYPE_OP(ctx, type_name, type, op, target, value, pe) do { \
int rc = OSHMEM_SUCCESS; \
size_t size = 0; \
\
RUNTIME_CHECK_INIT(); \
RUNTIME_CHECK_PE(pe); \
RUNTIME_CHECK_ADDR(target); \
\
size = sizeof(value); \
rc = MCA_ATOMIC_CALL(op( \
ctx, \
(void*)target, \
value, \
size, \
pe)); \
RUNTIME_CHECK_RC(rc); \
\
return; \
} while (0)
#define OSHMEM_TYPE_OP(type_name, type, prefix, op) \
void prefix##_##type_name##_atomic_##op(type *target, type value, int pe) \
{ \
DO_SHMEM_TYPE_OP(oshmem_ctx_default, type_name, type, op, \
target, value, pe); \
}
#define OSHMEM_CTX_TYPE_OP(type_name, type, prefix, op) \
void prefix##_ctx_##type_name##_atomic_##op(shmem_ctx_t ctx, type *target, type value, int pe) \
{ \
DO_SHMEM_TYPE_OP(ctx, type_name, type, op, \
target, value, pe); \
}
#define DO_OSHMEM_TYPE_FOP(ctx, type_name, type, op, target, value, pe) do { \
int rc = OSHMEM_SUCCESS; \
size_t size = 0; \
type out_value; \
\
RUNTIME_CHECK_INIT(); \
RUNTIME_CHECK_PE(pe); \
RUNTIME_CHECK_ADDR(target); \
\
size = sizeof(out_value); \
rc = MCA_ATOMIC_CALL(f##op( \
ctx, \
(void*)target, \
(void*)&out_value, \
value, \
size, \
pe)); \
RUNTIME_CHECK_RC(rc); \
\
return out_value; \
} while (0)
#define OSHMEM_TYPE_FOP(type_name, type, prefix, op) \
type prefix##_##type_name##_atomic_fetch_##op(type *target, type value, int pe) \
{ \
DO_OSHMEM_TYPE_FOP(oshmem_ctx_default, type_name, type, op, \
target, value, pe); \
}
#define OSHMEM_CTX_TYPE_FOP(type_name, type, prefix, op) \
type prefix##_ctx_##type_name##_atomic_fetch_##op(shmem_ctx_t ctx, type *target, type value, int pe) \
{ \
DO_OSHMEM_TYPE_FOP(ctx, type_name, type, op, \
target, value, pe); \
}
#define DO_OSHMEM_TYPE_FOP_NBI(ctx, type_name, type, op, fetch, target, value, pe) do { \
int rc = OSHMEM_SUCCESS; \
size_t size = 0; \
type out_value; \
\
RUNTIME_CHECK_INIT(); \
RUNTIME_CHECK_PE(pe); \
RUNTIME_CHECK_ADDR(target); \
\
size = sizeof(out_value); \
rc = MCA_ATOMIC_CALL(f##op##_nb( \
ctx, \
fetch, \
(void*)target, \
(void*)&out_value, \
value, \
size, \
pe)); \
RUNTIME_CHECK_RC(rc); \
\
return ; \
} while (0)
#define OSHMEM_TYPE_FOP_NBI(type_name, type, prefix, op) \
void prefix##_##type_name##_atomic_fetch_##op##_nbi(type *fetch, type *target, type value, int pe) \
{ \
DO_OSHMEM_TYPE_FOP_NBI(oshmem_ctx_default, type_name, type, op, \
fetch, target, value, pe); \
}
#define OSHMEM_CTX_TYPE_FOP_NBI(type_name, type, prefix, op) \
void prefix##_ctx_##type_name##_atomic_fetch_##op##_nbi(shmem_ctx_t ctx, type *fetch, type *target, type value, int pe) \
{ \
DO_OSHMEM_TYPE_FOP_NBI(ctx, type_name, type, op, \
fetch, target, value, pe); \
}
/* ******************************************************************** */
struct oshmem_op_t;
/* ******************************************************************** */
typedef int (*mca_atomic_base_component_init_fn_t)(bool enable_progress_threads,
bool enable_threads);
typedef int (*mca_atomic_base_component_finalize_fn_t)(void);
typedef struct mca_atomic_base_module_1_0_0_t* (*mca_atomic_base_component_query_fn_t)(int *priority);
/* ******************************************************************** */
/**
* Atomic component interface
*
* Component interface for the atomic framework. A public
* instance of this structure, called
* mca_atomic_[component_name]_component, must exist in any atomic
* component.
*/
struct mca_atomic_base_component_1_0_0_t {
/** Base component description */
mca_base_component_t atomic_version;
/** Base component data block */
mca_base_component_data_t atomic_data;
/** Component initialization function */
mca_atomic_base_component_init_fn_t atomic_startup;
mca_atomic_base_component_finalize_fn_t atomic_finalize;
mca_atomic_base_component_query_fn_t atomic_query;
/* priority for component */
int priority;
};
typedef struct mca_atomic_base_component_1_0_0_t mca_atomic_base_component_1_0_0_t;
/** Per guidance in mca.h, use the unversioned struct name if you just
want to always keep up with the most recent version of the
interface. */
typedef struct mca_atomic_base_component_1_0_0_t mca_atomic_base_component_t;
/**
* Atomic module interface
*
*/
struct mca_atomic_base_module_1_0_0_t {
/** Collective modules all inherit from opal_object */
opal_object_t super;
/* Collective function pointers */
int (*atomic_add)(shmem_ctx_t ctx,
void *target,
uint64_t value,
size_t size,
int pe);
int (*atomic_and)(shmem_ctx_t ctx,
void *target,
uint64_t value,
size_t size,
int pe);
int (*atomic_or)(shmem_ctx_t ctx,
void *target,
uint64_t value,
size_t size,
int pe);
int (*atomic_xor)(shmem_ctx_t ctx,
void *target,
uint64_t value,
size_t size,
int pe);
int (*atomic_fadd)(shmem_ctx_t ctx,
void *target,
void *prev,
uint64_t value,
size_t size,
int pe);
int (*atomic_fand)(shmem_ctx_t ctx,
void *target,
void *prev,
uint64_t value,
size_t size,
int pe);
int (*atomic_for)(shmem_ctx_t ctx,
void *target,
void *prev,
uint64_t value,
size_t size,
int pe);
int (*atomic_fxor)(shmem_ctx_t ctx,
void *target,
void *prev,
uint64_t value,
size_t size,
int pe);
int (*atomic_swap)(shmem_ctx_t ctx,
void *target,
void *prev,
uint64_t value,
size_t size,
int pe);
int (*atomic_cswap)(shmem_ctx_t ctx,
void *target,
uint64_t *prev, /* prev is used internally by wrapper, we may
always use 64-bit value */
uint64_t cond,
uint64_t value,
size_t size,
int pe);
int (*atomic_fadd_nb)(shmem_ctx_t ctx,
void *fetch,
void *target,
void *prev,
uint64_t value,
size_t size,
int pe);
int (*atomic_cswap_nb)(shmem_ctx_t ctx,
void *fetch,
void *target,
uint64_t *prev, /* prev is used internally by wrapper, we may
always use 64-bit value */
uint64_t cond,
uint64_t value,
size_t size,
int pe);
int (*atomic_swap_nb)(shmem_ctx_t ctx,
void *fetch,
void *target,
void *prev,
uint64_t value,
size_t size,
int pe);
int (*atomic_fand_nb)(shmem_ctx_t ctx,
void *fetch,
void *target,
void *prev,
uint64_t value,
size_t size,
int pe);
int (*atomic_for_nb)(shmem_ctx_t ctx,
void *fetch,
void *target,
void *prev,
uint64_t value,
size_t size,
int pe);
int (*atomic_fxor_nb)(shmem_ctx_t ctx,
void *fetch,
void *target,
void *prev,
uint64_t value,
size_t size,
int pe);
};
typedef struct mca_atomic_base_module_1_0_0_t mca_atomic_base_module_1_0_0_t;
/** Per guidance in mca.h, use the unversioned struct name if you just
want to always keep up with the most recent version of the
interface. */
typedef struct mca_atomic_base_module_1_0_0_t mca_atomic_base_module_t;
OSHMEM_DECLSPEC OBJ_CLASS_DECLARATION(mca_atomic_base_module_t);
/* ******************************************************************** */
/*
* Macro for use in components
*/
#define MCA_ATOMIC_BASE_VERSION_2_0_0 \
OSHMEM_MCA_BASE_VERSION_2_1_0("atomic", 1, 0, 0)
/* ******************************************************************** */
OSHMEM_DECLSPEC extern mca_atomic_base_component_t mca_atomic_base_selected_component;
OSHMEM_DECLSPEC extern mca_atomic_base_module_t mca_atomic;
#define MCA_ATOMIC_CALL(a) mca_atomic.atomic_ ## a
END_C_DECLS
#endif /* OSHMEM_MCA_ATOMIC_H */
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