byteorder.h revision 219820
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