1 /*-
2 * Copyright (c) 2010 Isilon Systems, Inc.
3 * Copyright (c) 2010 iX Systems, Inc.
4 * Copyright (c) 2010 Panasas, Inc.
5 * Copyright (c) 2013-2016 Mellanox Technologies, Ltd.
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 * notice unmodified, this list of conditions, and the following
13 * disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
19 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
20 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
21 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
22 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
23 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
27 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 */
29 #ifndef _LINUXKPI_ASM_BYTEORDER_H_
30 #define _LINUXKPI_ASM_BYTEORDER_H_
31
32 #include <sys/types.h>
33 #include <sys/endian.h>
34 #include <asm/types.h>
35
36 #if BYTE_ORDER == LITTLE_ENDIAN
37 #define __LITTLE_ENDIAN
38 #else
39 #define __BIG_ENDIAN
40 #endif
41
42 #define __cpu_to_le64(x) htole64(x)
43 #define cpu_to_le64(x) __cpu_to_le64(x)
44 #define __le64_to_cpu(x) le64toh(x)
45 #define le64_to_cpu(x) __le64_to_cpu(x)
46 #define __cpu_to_le32(x) htole32(x)
47 #define cpu_to_le32(x) __cpu_to_le32(x)
48 #define __le32_to_cpu(x) le32toh(x)
49 #define le32_to_cpu(x) __le32_to_cpu(x)
50 #define __cpu_to_le16(x) htole16(x)
51 #define cpu_to_le16(x) __cpu_to_le16(x)
52 #define __le16_to_cpu(x) le16toh(x)
53 #define le16_to_cpu(x) __le16_to_cpu(x)
54 #define __cpu_to_be64(x) htobe64(x)
55 #define cpu_to_be64(x) __cpu_to_be64(x)
56 #define __be64_to_cpu(x) be64toh(x)
57 #define be64_to_cpu(x) __be64_to_cpu(x)
58 #define __cpu_to_be32(x) htobe32(x)
59 #define cpu_to_be32(x) __cpu_to_be32(x)
60 #define __be32_to_cpu(x) be32toh(x)
61 #define be32_to_cpu(x) __be32_to_cpu(x)
62 #define __cpu_to_be16(x) htobe16(x)
63 #define cpu_to_be16(x) __cpu_to_be16(x)
64 #define __be16_to_cpu(x) be16toh(x)
65 #define be16_to_cpu(x) __be16_to_cpu(x)
66
67 #define __cpu_to_le64p(x) htole64(*((const uint64_t *)(x)))
68 #define cpu_to_le64p(x) __cpu_to_le64p(x)
69 #define __le64_to_cpup(x) le64toh(*((const uint64_t *)(x)))
70 #define le64_to_cpup(x) __le64_to_cpup(x)
71 #define __cpu_to_le32p(x) htole32(*((const uint32_t *)(x)))
72 #define cpu_to_le32p(x) __cpu_to_le32p(x)
73 #define __le32_to_cpup(x) le32toh(*((const uint32_t *)(x)))
74 #define le32_to_cpup(x) __le32_to_cpup(x)
75 #define __cpu_to_le16p(x) htole16(*((const uint16_t *)(x)))
76 #define cpu_to_le16p(x) __cpu_to_le16p(x)
77 #define __le16_to_cpup(x) le16toh(*((const uint16_t *)(x)))
78 #define le16_to_cpup(x) __le16_to_cpup(x)
79 #define __cpu_to_be64p(x) htobe64(*((const uint64_t *)(x)))
80 #define cpu_to_be64p(x) __cpu_to_be64p(x)
81 #define __be64_to_cpup(x) be64toh(*((const uint64_t *)(x)))
82 #define be64_to_cpup(x) __be64_to_cpup(x)
83 #define __cpu_to_be32p(x) htobe32(*((const uint32_t *)(x)))
84 #define cpu_to_be32p(x) __cpu_to_be32p(x)
85 #define __be32_to_cpup(x) be32toh(*((const uint32_t *)(x)))
86 #define be32_to_cpup(x) __be32_to_cpup(x)
87 #define __cpu_to_be16p(x) htobe16(*((const uint16_t *)(x)))
88 #define cpu_to_be16p(x) __cpu_to_be16p(x)
89 #define __be16_to_cpup(x) be16toh(*((const uint16_t *)(x)))
90 #define be16_to_cpup(x) __be16_to_cpup(x)
91
92
93 #define __cpu_to_le64s(x) do { *((uint64_t *)(x)) = cpu_to_le64p((x)); } while (0)
94 #define cpu_to_le64s(x) __cpu_to_le64s(x)
95 #define __le64_to_cpus(x) do { *((uint64_t *)(x)) = le64_to_cpup((x)); } while (0)
96 #define le64_to_cpus(x) __le64_to_cpus(x)
97 #define __cpu_to_le32s(x) do { *((uint32_t *)(x)) = cpu_to_le32p((x)); } while (0)
98 #define cpu_to_le32s(x) __cpu_to_le32s(x)
99 #define __le32_to_cpus(x) do { *((uint32_t *)(x)) = le32_to_cpup((x)); } while (0)
100 #define le32_to_cpus(x) __le32_to_cpus(x)
101 #define __cpu_to_le16s(x) do { *((uint16_t *)(x)) = cpu_to_le16p((x)); } while (0)
102 #define cpu_to_le16s(x) __cpu_to_le16s(x)
103 #define __le16_to_cpus(x) do { *((uint16_t *)(x)) = le16_to_cpup((x)); } while (0)
104 #define le16_to_cpus(x) __le16_to_cpus(x)
105 #define __cpu_to_be64s(x) do { *((uint64_t *)(x)) = cpu_to_be64p((x)); } while (0)
106 #define cpu_to_be64s(x) __cpu_to_be64s(x)
107 #define __be64_to_cpus(x) do { *((uint64_t *)(x)) = be64_to_cpup((x)); } while (0)
108 #define be64_to_cpus(x) __be64_to_cpus(x)
109 #define __cpu_to_be32s(x) do { *((uint32_t *)(x)) = cpu_to_be32p((x)); } while (0)
110 #define cpu_to_be32s(x) __cpu_to_be32s(x)
111 #define __be32_to_cpus(x) do { *((uint32_t *)(x)) = be32_to_cpup((x)); } while (0)
112 #define be32_to_cpus(x) __be32_to_cpus(x)
113 #define __cpu_to_be16s(x) do { *((uint16_t *)(x)) = cpu_to_be16p((x)); } while (0)
114 #define cpu_to_be16s(x) __cpu_to_be16s(x)
115 #define __be16_to_cpus(x) do { *((uint16_t *)(x)) = be16_to_cpup((x)); } while (0)
116 #define be16_to_cpus(x) __be16_to_cpus(x)
117
118 #define swab16(x) bswap16(x)
119 #define swab32(x) bswap32(x)
120 #define swab64(x) bswap64(x)
121
122 static inline void
be64_add_cpu(uint64_t * var,uint64_t val)123 be64_add_cpu(uint64_t *var, uint64_t val)
124 {
125 *var = cpu_to_be64(be64_to_cpu(*var) + val);
126 }
127
128 static inline void
be32_add_cpu(uint32_t * var,uint32_t val)129 be32_add_cpu(uint32_t *var, uint32_t val)
130 {
131 *var = cpu_to_be32(be32_to_cpu(*var) + val);
132 }
133
134 static inline void
be16_add_cpu(uint16_t * var,uint16_t val)135 be16_add_cpu(uint16_t *var, uint16_t val)
136 {
137 *var = cpu_to_be16(be16_to_cpu(*var) + val);
138 }
139
140 static __inline void
le64_add_cpu(uint64_t * var,uint64_t val)141 le64_add_cpu(uint64_t *var, uint64_t val)
142 {
143 *var = cpu_to_le64(le64_to_cpu(*var) + val);
144 }
145
146 static __inline void
le32_add_cpu(uint32_t * var,uint32_t val)147 le32_add_cpu(uint32_t *var, uint32_t val)
148 {
149 *var = cpu_to_le32(le32_to_cpu(*var) + val);
150 }
151
152 static inline void
le16_add_cpu(uint16_t * var,uint16_t val)153 le16_add_cpu(uint16_t *var, uint16_t val)
154 {
155 *var = cpu_to_le16(le16_to_cpu(*var) + val);
156 }
157
158 #endif /* _LINUXKPI_ASM_BYTEORDER_H_ */
159