include/ofi_atomic.h

/*
 * 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);

#define OFI_WRITE_OP_LAST	FI_CSWAP
#define OFI_READWRITE_OP_LAST	FI_CSWAP
#define OFI_SWAP_OP_START	FI_CSWAP
#define OFI_SWAP_OP_LAST	(FI_MSWAP - FI_CSWAP + 1)

extern void (*ofi_atomic_write_handlers[OFI_WRITE_OP_LAST][FI_DATATYPE_LAST])
			(void *dst, const void *src, size_t cnt);
extern void (*ofi_atomic_readwrite_handlers[OFI_READWRITE_OP_LAST][FI_DATATYPE_LAST])
			(void *dst, const void *src, void *res, size_t cnt);
extern void (*ofi_atomic_swap_handlers[OFI_SWAP_OP_LAST][FI_DATATYPE_LAST])
			(void *dst, const void *src, const void *cmp,
			 void *res, size_t 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_ */