1 /* 2 * endian.h - Defines for endianness handling in NTFS Linux kernel driver. 3 * Part of the Linux-NTFS project. 4 * 5 * Copyright (c) 2001-2004 Anton Altaparmakov 6 * 7 * This program/include file is free software; you can redistribute it and/or 8 * modify it under the terms of the GNU General Public License as published 9 * by the Free Software Foundation; either version 2 of the License, or 10 * (at your option) any later version. 11 * 12 * This program/include file is distributed in the hope that it will be 13 * useful, but WITHOUT ANY WARRANTY; without even the implied warranty 14 * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 * GNU General Public License for more details. 16 * 17 * You should have received a copy of the GNU General Public License 18 * along with this program (in the main directory of the Linux-NTFS 19 * distribution in the file COPYING); if not, write to the Free Software 20 * Foundation,Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 21 */ 22 23 #ifndef _LINUX_NTFS_ENDIAN_H 24 #define _LINUX_NTFS_ENDIAN_H 25 26 #include <asm/byteorder.h> 27 #include "types.h" 28 29 /* 30 * Signed endianness conversion functions. 31 */ 32 sle16_to_cpu(sle16 x)33static inline s16 sle16_to_cpu(sle16 x) 34 { 35 return le16_to_cpu((__force le16)x); 36 } 37 sle32_to_cpu(sle32 x)38static inline s32 sle32_to_cpu(sle32 x) 39 { 40 return le32_to_cpu((__force le32)x); 41 } 42 sle64_to_cpu(sle64 x)43static inline s64 sle64_to_cpu(sle64 x) 44 { 45 return le64_to_cpu((__force le64)x); 46 } 47 sle16_to_cpup(sle16 * x)48static inline s16 sle16_to_cpup(sle16 *x) 49 { 50 return le16_to_cpu(*(__force le16*)x); 51 } 52 sle32_to_cpup(sle32 * x)53static inline s32 sle32_to_cpup(sle32 *x) 54 { 55 return le32_to_cpu(*(__force le32*)x); 56 } 57 sle64_to_cpup(sle64 * x)58static inline s64 sle64_to_cpup(sle64 *x) 59 { 60 return le64_to_cpu(*(__force le64*)x); 61 } 62 cpu_to_sle16(s16 x)63static inline sle16 cpu_to_sle16(s16 x) 64 { 65 return (__force sle16)cpu_to_le16(x); 66 } 67 cpu_to_sle32(s32 x)68static inline sle32 cpu_to_sle32(s32 x) 69 { 70 return (__force sle32)cpu_to_le32(x); 71 } 72 cpu_to_sle64(s64 x)73static inline sle64 cpu_to_sle64(s64 x) 74 { 75 return (__force sle64)cpu_to_le64(x); 76 } 77 cpu_to_sle16p(s16 * x)78static inline sle16 cpu_to_sle16p(s16 *x) 79 { 80 return (__force sle16)cpu_to_le16(*x); 81 } 82 cpu_to_sle32p(s32 * x)83static inline sle32 cpu_to_sle32p(s32 *x) 84 { 85 return (__force sle32)cpu_to_le32(*x); 86 } 87 cpu_to_sle64p(s64 * x)88static inline sle64 cpu_to_sle64p(s64 *x) 89 { 90 return (__force sle64)cpu_to_le64(*x); 91 } 92 93 #endif /* _LINUX_NTFS_ENDIAN_H */ 94