fs/ntfs/endian.h

   1 /* SPDX-License-Identifier: GPL-2.0-or-later */
   2 /*
   3  * endian.h - Defines for endianness handling in NTFS Linux kernel driver.
   4  *            Part of the Linux-NTFS project.
   5  *
   6  * Copyright (c) 2001-2004 Anton Altaparmakov
   7  */
   8
   9 #ifndef _LINUX_NTFS_ENDIAN_H
  10 #define _LINUX_NTFS_ENDIAN_H
  11
  12 #include <asm/byteorder.h>
  13 #include "types.h"
  14
  15 /*
  16  * Signed endianness conversion functions.
  17  */
  18
  19 static inline s16 sle16_to_cpu(sle16 x)
  20 {
  21         return le16_to_cpu((__force le16)x);
  22 }
  23
  24 static inline s32 sle32_to_cpu(sle32 x)
  25 {
  26         return le32_to_cpu((__force le32)x);
  27 }
  28
  29 static inline s64 sle64_to_cpu(sle64 x)
  30 {
  31         return le64_to_cpu((__force le64)x);
  32 }
  33
  34 static inline s16 sle16_to_cpup(sle16 *x)
  35 {
  36         return le16_to_cpu(*(__force le16*)x);
  37 }
  38
  39 static inline s32 sle32_to_cpup(sle32 *x)
  40 {
  41         return le32_to_cpu(*(__force le32*)x);
  42 }
  43
  44 static inline s64 sle64_to_cpup(sle64 *x)
  45 {
  46         return le64_to_cpu(*(__force le64*)x);
  47 }
  48
  49 static inline sle16 cpu_to_sle16(s16 x)
  50 {
  51         return (__force sle16)cpu_to_le16(x);
  52 }
  53
  54 static inline sle32 cpu_to_sle32(s32 x)
  55 {
  56         return (__force sle32)cpu_to_le32(x);
  57 }
  58
  59 static inline sle64 cpu_to_sle64(s64 x)
  60 {
  61         return (__force sle64)cpu_to_le64(x);
  62 }
  63
  64 static inline sle16 cpu_to_sle16p(s16 *x)
  65 {
  66         return (__force sle16)cpu_to_le16(*x);
  67 }
  68
  69 static inline sle32 cpu_to_sle32p(s32 *x)
  70 {
  71         return (__force sle32)cpu_to_le32(*x);
  72 }
  73
  74 static inline sle64 cpu_to_sle64p(s64 *x)
  75 {
  76         return (__force sle64)cpu_to_le64(*x);
  77 }
  78
  79 #endif /* _LINUX_NTFS_ENDIAN_H */