| 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 */ |
| 80 |