xref: /freebsd/contrib/ofed/include/byteorder.h (revision c697fb7f)
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