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 * $FreeBSD$ 30 */ 31 #ifndef _ASM_BYTEORDER_H_ 32 #define _ASM_BYTEORDER_H_ 33 34 #include <sys/types.h> 35 #include <sys/endian.h> 36 #include <asm/types.h> 37 38 #if BYTE_ORDER == LITTLE_ENDIAN 39 #define __LITTLE_ENDIAN 40 #else 41 #define __BIG_ENDIAN 42 #endif 43 44 #define cpu_to_le64(x) htole64(x) 45 #define le64_to_cpu(x) le64toh(x) 46 #define cpu_to_le32(x) htole32(x) 47 #define le32_to_cpu(x) le32toh(x) 48 #define cpu_to_le16(x) htole16(x) 49 #define le16_to_cpu(x) le16toh(x) 50 #define cpu_to_be64(x) htobe64(x) 51 #define be64_to_cpu(x) be64toh(x) 52 #define cpu_to_be32(x) htobe32(x) 53 #define be32_to_cpu(x) be32toh(x) 54 #define cpu_to_be16(x) htobe16(x) 55 #define be16_to_cpu(x) be16toh(x) 56 #define __be16_to_cpu(x) be16toh(x) 57 58 #define cpu_to_le64p(x) htole64(*((const uint64_t *)(x))) 59 #define le64_to_cpup(x) le64toh(*((const uint64_t *)(x))) 60 #define cpu_to_le32p(x) htole32(*((const uint32_t *)(x))) 61 #define le32_to_cpup(x) le32toh(*((const uint32_t *)(x))) 62 #define cpu_to_le16p(x) htole16(*((const uint16_t *)(x))) 63 #define le16_to_cpup(x) le16toh(*((const uint16_t *)(x))) 64 #define cpu_to_be64p(x) htobe64(*((const uint64_t *)(x))) 65 #define be64_to_cpup(x) be64toh(*((const uint64_t *)(x))) 66 #define cpu_to_be32p(x) htobe32(*((const uint32_t *)(x))) 67 #define be32_to_cpup(x) be32toh(*((const uint32_t *)(x))) 68 #define cpu_to_be16p(x) htobe16(*((const uint16_t *)(x))) 69 #define be16_to_cpup(x) be16toh(*((const uint16_t *)(x))) 70 71 #define cpu_to_le64s(x) do { *((uint64_t *)(x)) = cpu_to_le64p((x)); } while (0) 72 #define le64_to_cpus(x) do { *((uint64_t *)(x)) = le64_to_cpup((x)); } while (0) 73 #define cpu_to_le32s(x) do { *((uint32_t *)(x)) = cpu_to_le32p((x)); } while (0) 74 #define le32_to_cpus(x) do { *((uint32_t *)(x)) = le32_to_cpup((x)); } while (0) 75 #define cpu_to_le16s(x) do { *((uint16_t *)(x)) = cpu_to_le16p((x)); } while (0) 76 #define le16_to_cpus(x) do { *((uint16_t *)(x)) = le16_to_cpup((x)); } while (0) 77 #define cpu_to_be64s(x) do { *((uint64_t *)(x)) = cpu_to_be64p((x)); } while (0) 78 #define be64_to_cpus(x) do { *((uint64_t *)(x)) = be64_to_cpup((x)); } while (0) 79 #define cpu_to_be32s(x) do { *((uint32_t *)(x)) = cpu_to_be32p((x)); } while (0) 80 #define be32_to_cpus(x) do { *((uint32_t *)(x)) = be32_to_cpup((x)); } while (0) 81 #define cpu_to_be16s(x) do { *((uint16_t *)(x)) = cpu_to_be16p((x)); } while (0) 82 #define be16_to_cpus(x) do { *((uint16_t *)(x)) = be16_to_cpup((x)); } while (0) 83 84 #define swab16(x) bswap16(x) 85 #define swab32(x) bswap32(x) 86 #define swab64(x) bswap64(x) 87 88 static inline void 89 be16_add_cpu(uint16_t *var, uint16_t val) 90 { 91 *var = cpu_to_be16(be16_to_cpu(*var) + val); 92 } 93 94 #endif /* _ASM_BYTEORDER_H_ */ 95