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/*
* Copyright (c) 2017 Intel Corporation. All rights reserved.
*
* This software is available to you under a choice of one of two
* licenses. You may choose to be licensed under the terms of the GNU
* General Public License (GPL) Version 2, available from the file
* COPYING in the main directory of this source tree, or the
* BSD license below:
*
* Redistribution and use in source and binary forms, with or
* without modification, are permitted provided that the following
* conditions are met:
*
* - Redistributions of source code must retain the above
* copyright notice, this list of conditions and the following
* disclaimer.
*
* - Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#ifndef _OFI_ATOMIC_H_
#define _OFI_ATOMIC_H_
#include "config.h"
#include "ofi.h"
#ifdef __cplusplus
extern "C" {
#endif
size_t ofi_datatype_size(enum fi_datatype datatype);
/* The START value is included, LAST is exclusive, which matches the public
* header file use of LAST. CNT is the number of valid values.
*/
#define OFI_WRITE_OP_START FI_MIN
#define OFI_WRITE_OP_LAST (FI_ATOMIC_WRITE + 1)
#define OFI_WRITE_OP_CNT (OFI_WRITE_OP_LAST - OFI_WRITE_OP_START)
#define OFI_READWRITE_OP_START FI_MIN
#define OFI_READWRITE_OP_LAST (FI_ATOMIC_WRITE + 1)
#define OFI_READWRITE_OP_CNT (OFI_READWRITE_OP_LAST - OFI_READWRITE_OP_START)
#define OFI_SWAP_OP_START FI_CSWAP
#define OFI_SWAP_OP_LAST (FI_MSWAP + 1)
#define OFI_SWAP_OP_CNT (OFI_SWAP_OP_LAST - OFI_SWAP_OP_START)
#define ofi_atomic_iswrite_op(op) \
(op >= OFI_WRITE_OP_START && op < OFI_WRITE_OP_LAST && op != FI_ATOMIC_READ)
#define ofi_atomic_isreadwrite_op(op) \
(op >= OFI_READWRITE_OP_START && op < OFI_READWRITE_OP_LAST)
#define ofi_atomic_isswap_op(op) \
(op >= OFI_SWAP_OP_START && op < OFI_SWAP_OP_LAST)
#define OFI_DATATYPE_CNT (FI_UINT128 + 1)
#ifdef HAVE___INT128
typedef __int128 ofi_int128_t;
typedef unsigned __int128 ofi_uint128_t;
#endif
extern void (*ofi_atomic_write_handlers[OFI_WRITE_OP_CNT][OFI_DATATYPE_CNT])
(void *dst, const void *src, size_t cnt);
extern void (*ofi_atomic_readwrite_handlers[OFI_READWRITE_OP_CNT][OFI_DATATYPE_CNT])
(void *dst, const void *src, void *res, size_t cnt);
extern void (*ofi_atomic_swap_handlers[OFI_SWAP_OP_CNT][OFI_DATATYPE_CNT])
(void *dst, const void *src, const void *cmp,
void *res, size_t cnt);
#define ofi_atomic_write_handler(op, datatype, dst, src, cnt) \
ofi_atomic_write_handlers[op][datatype](dst, src, cnt)
#define ofi_atomic_readwrite_handler(op, datatype, dst, src, res, cnt) \
ofi_atomic_readwrite_handlers[op][datatype](dst, src, res, cnt)
#define ofi_atomic_swap_handler(op, datatype, dst, src, cmp, res, cnt) \
ofi_atomic_swap_handlers[op - OFI_SWAP_OP_START][datatype](dst, src, \
cmp, res, cnt)
int ofi_atomic_valid(const struct fi_provider *prov,
enum fi_datatype datatype, enum fi_op op, uint64_t flags);
#ifdef __cplusplus
}
#endif
#endif /* _OFI_ATOMIC_H_ */
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