byteorder.h revision 331769
1/*-
2 * Copyright (c) 2010 Isilon Systems, Inc.
3 * Copyright (c) 2010 iX Systems, Inc.
4 * Copyright (c) 2010 Panasas, Inc.
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice unmodified, this list of conditions, and the following
12 *    disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 *    notice, this list of conditions and the following disclaimer in the
15 *    documentation and/or other materials provided with the distribution.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28#ifndef	_INFINIBAND_BYTEORDER_H_
29#define	_INFINIBAND_BYTEORDER_H_
30
31#include <sys/types.h>
32#include <sys/endian.h>
33
34#if BYTE_ORDER == LITTLE_ENDIAN
35#define	__LITTLE_ENDIAN
36#else
37#define	__BIG_ENDIAN
38#endif
39
40#define	cpu_to_le64	htole64
41#define	le64_to_cpu	le64toh
42#define	cpu_to_le32	htole32
43#define	le32_to_cpu	le32toh
44#define	cpu_to_le16	htole16
45#define	le16_to_cpu	le16toh
46#define	cpu_to_be64	htobe64
47#define	be64_to_cpu	be64toh
48#define	cpu_to_be32	htobe32
49#define	be32_to_cpu	be32toh
50#define	cpu_to_be16	htobe16
51#define	be16_to_cpu	be16toh
52#define	__be16_to_cpu	be16toh
53
54#define	cpu_to_le64p(x)	htole64(*((uint64_t *)x))
55#define	le64_to_cpup(x)	le64toh(*((uint64_t *)x))
56#define	cpu_to_le32p(x)	htole32(*((uint32_t *)x))
57#define	le32_to_cpup(x)	le32toh(*((uint32_t *)x))
58#define	cpu_to_le16p(x)	htole16(*((uint16_t *)x))
59#define	le16_to_cpup(x)	le16toh(*((uint16_t *)x))
60#define	cpu_to_be64p(x)	htobe64(*((uint64_t *)x))
61#define	be64_to_cpup(x)	be64toh(*((uint64_t *)x))
62#define	cpu_to_be32p(x)	htobe32(*((uint32_t *)x))
63#define	be32_to_cpup(x)	be32toh(*((uint32_t *)x))
64#define	cpu_to_be16p(x)	htobe16(*((uint16_t *)x))
65#define	be16_to_cpup(x)	be16toh(*((uint16_t *)x))
66
67#define	cpu_to_le64s(x)	do { *((uint64_t *)x) = cpu_to_le64p((x)) } while (0)
68#define	le64_to_cpus(x)	do { *((uint64_t *)x) = le64_to_cpup((x)) } while (0)
69#define	cpu_to_le32s(x)	do { *((uint32_t *)x) = cpu_to_le32p((x)) } while (0)
70#define	le32_to_cpus(x)	do { *((uint32_t *)x) = le32_to_cpup((x)) } while (0)
71#define	cpu_to_le16s(x)	do { *((uint16_t *)x) = cpu_to_le16p((x)) } while (0)
72#define	le16_to_cpus(x)	do { *((uint16_t *)x) = le16_to_cpup((x)) } while (0)
73#define	cpu_to_be64s(x)	do { *((uint64_t *)x) = cpu_to_be64p((x)) } while (0)
74#define	be64_to_cpus(x)	do { *((uint64_t *)x) = be64_to_cpup((x)) } while (0)
75#define	cpu_to_be32s(x)	do { *((uint32_t *)x) = cpu_to_be32p((x)) } while (0)
76#define	be32_to_cpus(x)	do { *((uint32_t *)x) = be32_to_cpup((x)) } while (0)
77#define	cpu_to_be16s(x)	do { *((uint16_t *)x) = cpu_to_be16p((x)) } while (0)
78#define	be16_to_cpus(x)	do { *((uint16_t *)x) = be16_to_cpup((x)) } while (0)
79
80#define	swab16	bswap16
81#define	swab32	bswap32
82#define	swab64	bswap64
83
84#endif	/* _INFINIBAND_BYTEORDER_H_ */
85