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/*
* Copyright (c) 2013 Mellanox Technologies, Inc.
* All rights reserved.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
/**
* @file
*/
#ifndef MCA_SPML_BASE_ATOMIC_REQUEST_H
#define MCA_SPML_BASE_ATOMIC_REQUEST_H
#include "oshmem_config.h"
#include "oshmem/mca/spml/base/spml_base_request.h"
#include "ompi/peruse/peruse-internal.h"
BEGIN_C_DECLS
/**
* Base type for atomic requests.
*/
struct mca_spml_base_atomic_request_t {
mca_spml_base_request_t req_base; /**< base request */
size_t req_bytes_packed; /**< size of virtual heap memory variable operated on */
};
typedef struct mca_spml_base_atomic_request_t mca_spml_base_atomic_request_t;
OSHMEM_DECLSPEC OBJ_CLASS_DECLARATION(mca_spml_base_atomic_request_t);
/**
* Initialize an atomic request with call parameters.
*
* @param request (IN) Atomic request.
* @param addr (IN) User buffer.
* @param count (IN) Number of bytes.
* @param src (IN) Source rank w/in the communicator.
* @param comm (IN) Communicator.
* @param persistent (IN) Is this a persistent request.
*/
#define MCA_SPML_BASE_ATOMIC_REQUEST_INIT( \
request, \
addr, \
count, \
src, \
comm, \
persistent) \
{ \
/* increment reference count on communicator */ \
OBJ_RETAIN(comm); \
\
OSHMEM_REQUEST_INIT(&(request)->req_base.req_oshmem, persistent); \
(request)->req_base.req_oshmem.req_shmem_object.comm = comm; \
(request)->req_bytes_packed = 0; \
(request)->req_base.req_addr = addr; \
(request)->req_base.req_count = count; \
(request)->req_base.req_peer = src; \
(request)->req_base.req_comm = comm; \
(request)->req_base.req_proc = NULL; \
(request)->req_base.req_sequence = 0; \
/* What about req_type ? */ \
(request)->req_base.req_spml_complete = OPAL_INT_TO_BOOL(persistent); \
(request)->req_base.req_free_called = false; \
}
/**
*
*
*/
#define MCA_SPML_BASE_ATOMIC_START( request ) \
do { \
(request)->req_spml_complete = false; \
\
(request)->req_oshmem.req_status.SHMEM_SOURCE = SHMEM_ANY_SOURCE; \
(request)->req_oshmem.req_status.SHMEM_ERROR = OSHMEM_SUCCESS; \
(request)->req_oshmem.req_status._count = 0; \
(request)->req_oshmem.req_status._cancelled = 0; \
\
(request)->req_oshmem.req_complete = false; \
(request)->req_oshmem.req_state = OSHMEM_REQUEST_ACTIVE; \
} while (0)
/**
* Return a atomic request. Handle the release of the communicator and the
* attached datatype.
*
* @param request (IN) Get request.
*/
#define MCA_SPML_BASE_ATOMIC_REQUEST_FINI( request ) \
do { \
OSHMEM_REQUEST_FINI(&(request)->req_base.req_oshmem); \
OBJ_RELEASE( (request)->req_base.req_comm); \
opal_convertor_cleanup( &((request)->req_base.req_convertor) ); \
} while (0)
END_C_DECLS
#endif
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