1321936Shselasky/*
2321936Shselasky * Copyright (c) 2004, 2005 Voltaire, Inc. All rights reserved.
3321936Shselasky * Copyright (c) 2002-2005 Mellanox Technologies LTD. All rights reserved.
4321936Shselasky * Copyright (c) 1996-2003 Intel Corporation. All rights reserved.
5321936Shselasky *
6321936Shselasky * This software is available to you under a choice of one of two
7321936Shselasky * licenses.  You may choose to be licensed under the terms of the GNU
8321936Shselasky * General Public License (GPL) Version 2, available from the file
9321936Shselasky * COPYING in the main directory of this source tree, or the
10321936Shselasky * OpenIB.org BSD license below:
11321936Shselasky *
12321936Shselasky *     Redistribution and use in source and binary forms, with or
13321936Shselasky *     without modification, are permitted provided that the following
14321936Shselasky *     conditions are met:
15321936Shselasky *
16321936Shselasky *      - Redistributions of source code must retain the above
17321936Shselasky *        copyright notice, this list of conditions and the following
18321936Shselasky *        disclaimer.
19321936Shselasky *
20321936Shselasky *      - Redistributions in binary form must reproduce the above
21321936Shselasky *        copyright notice, this list of conditions and the following
22321936Shselasky *        disclaimer in the documentation and/or other materials
23321936Shselasky *        provided with the distribution.
24321936Shselasky *
25321936Shselasky * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
26321936Shselasky * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
27321936Shselasky * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
28321936Shselasky * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
29321936Shselasky * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
30321936Shselasky * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
31321936Shselasky * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
32321936Shselasky * SOFTWARE.
33321936Shselasky *
34321936Shselasky */
35321936Shselasky
36321936Shselasky/*
37321936Shselasky * Abstract:
38321936Shselasky *	Provides common macros for dealing with byte swapping issues.
39321936Shselasky */
40321936Shselasky
41321936Shselasky#ifndef _CL_BYTESWAP_OSD_H_
42321936Shselasky#define _CL_BYTESWAP_OSD_H_
43321936Shselasky
44321936Shselasky/*
45321936Shselasky * This provides defines __LITTLE_ENDIAN, __BIG_ENDIAN and __BYTE_ORDER
46321936Shselasky */
47321936Shselasky#include <infiniband/endian.h>
48321936Shselasky#include <infiniband/byteswap.h>
49321936Shselasky
50321936Shselasky#ifdef __cplusplus
51321936Shselasky#  define BEGIN_C_DECLS extern "C" {
52321936Shselasky#  define END_C_DECLS   }
53321936Shselasky#else				/* !__cplusplus */
54321936Shselasky#  define BEGIN_C_DECLS
55321936Shselasky#  define END_C_DECLS
56321936Shselasky#endif				/* __cplusplus */
57321936Shselasky
58321936ShselaskyBEGIN_C_DECLS
59321936Shselasky#if __BYTE_ORDER == __LITTLE_ENDIAN
60321936Shselasky#define cl_ntoh16(x)	bswap_16(x)
61321936Shselasky#define cl_hton16(x)	bswap_16(x)
62321936Shselasky#define cl_ntoh32(x)	bswap_32(x)
63321936Shselasky#define cl_hton32(x)	bswap_32(x)
64321936Shselasky#define cl_ntoh64(x)	(uint64_t)bswap_64(x)
65321936Shselasky#define cl_hton64(x)	(uint64_t)bswap_64(x)
66321936Shselasky#else				/* Big Endian */
67321936Shselasky#define cl_ntoh16(x)	(x)
68321936Shselasky#define cl_hton16(x)	(x)
69321936Shselasky#define cl_ntoh32(x)	(x)
70321936Shselasky#define cl_hton32(x)	(x)
71321936Shselasky#define cl_ntoh64(x)	(x)
72321936Shselasky#define cl_hton64(x)	(x)
73321936Shselasky#endif
74321936ShselaskyEND_C_DECLS
75321936Shselasky#endif				/* _CL_BYTESWAP_OSD_H_ */
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