VisionFive2 Linux kernel

a1d312de7780e (Thomas Gleixner 2019-05-22 09:51:42 +0200  1) /* SPDX-License-Identifier: GPL-2.0-or-later */
^1da177e4c3f4 (Linus Torvalds  2005-04-16 15:20:36 -0700  2) /*
^1da177e4c3f4 (Linus Torvalds  2005-04-16 15:20:36 -0700  3)  * endian.h - Defines for endianness handling in NTFS Linux kernel driver.
^1da177e4c3f4 (Linus Torvalds  2005-04-16 15:20:36 -0700  4)  *	      Part of the Linux-NTFS project.
^1da177e4c3f4 (Linus Torvalds  2005-04-16 15:20:36 -0700  5)  *
^1da177e4c3f4 (Linus Torvalds  2005-04-16 15:20:36 -0700  6)  * Copyright (c) 2001-2004 Anton Altaparmakov
^1da177e4c3f4 (Linus Torvalds  2005-04-16 15:20:36 -0700  7)  */
^1da177e4c3f4 (Linus Torvalds  2005-04-16 15:20:36 -0700  8) 
^1da177e4c3f4 (Linus Torvalds  2005-04-16 15:20:36 -0700  9) #ifndef _LINUX_NTFS_ENDIAN_H
^1da177e4c3f4 (Linus Torvalds  2005-04-16 15:20:36 -0700 10) #define _LINUX_NTFS_ENDIAN_H
^1da177e4c3f4 (Linus Torvalds  2005-04-16 15:20:36 -0700 11) 
^1da177e4c3f4 (Linus Torvalds  2005-04-16 15:20:36 -0700 12) #include <asm/byteorder.h>
^1da177e4c3f4 (Linus Torvalds  2005-04-16 15:20:36 -0700 13) #include "types.h"
^1da177e4c3f4 (Linus Torvalds  2005-04-16 15:20:36 -0700 14) 
^1da177e4c3f4 (Linus Torvalds  2005-04-16 15:20:36 -0700 15) /*
^1da177e4c3f4 (Linus Torvalds  2005-04-16 15:20:36 -0700 16)  * Signed endianness conversion functions.
^1da177e4c3f4 (Linus Torvalds  2005-04-16 15:20:36 -0700 17)  */
^1da177e4c3f4 (Linus Torvalds  2005-04-16 15:20:36 -0700 18) 
^1da177e4c3f4 (Linus Torvalds  2005-04-16 15:20:36 -0700 19) static inline s16 sle16_to_cpu(sle16 x)
^1da177e4c3f4 (Linus Torvalds  2005-04-16 15:20:36 -0700 20) {
^1da177e4c3f4 (Linus Torvalds  2005-04-16 15:20:36 -0700 21) 	return le16_to_cpu((__force le16)x);
^1da177e4c3f4 (Linus Torvalds  2005-04-16 15:20:36 -0700 22) }
^1da177e4c3f4 (Linus Torvalds  2005-04-16 15:20:36 -0700 23) 
^1da177e4c3f4 (Linus Torvalds  2005-04-16 15:20:36 -0700 24) static inline s32 sle32_to_cpu(sle32 x)
^1da177e4c3f4 (Linus Torvalds  2005-04-16 15:20:36 -0700 25) {
^1da177e4c3f4 (Linus Torvalds  2005-04-16 15:20:36 -0700 26) 	return le32_to_cpu((__force le32)x);
^1da177e4c3f4 (Linus Torvalds  2005-04-16 15:20:36 -0700 27) }
^1da177e4c3f4 (Linus Torvalds  2005-04-16 15:20:36 -0700 28) 
^1da177e4c3f4 (Linus Torvalds  2005-04-16 15:20:36 -0700 29) static inline s64 sle64_to_cpu(sle64 x)
^1da177e4c3f4 (Linus Torvalds  2005-04-16 15:20:36 -0700 30) {
^1da177e4c3f4 (Linus Torvalds  2005-04-16 15:20:36 -0700 31) 	return le64_to_cpu((__force le64)x);
^1da177e4c3f4 (Linus Torvalds  2005-04-16 15:20:36 -0700 32) }
^1da177e4c3f4 (Linus Torvalds  2005-04-16 15:20:36 -0700 33) 
^1da177e4c3f4 (Linus Torvalds  2005-04-16 15:20:36 -0700 34) static inline s16 sle16_to_cpup(sle16 *x)
^1da177e4c3f4 (Linus Torvalds  2005-04-16 15:20:36 -0700 35) {
^1da177e4c3f4 (Linus Torvalds  2005-04-16 15:20:36 -0700 36) 	return le16_to_cpu(*(__force le16*)x);
^1da177e4c3f4 (Linus Torvalds  2005-04-16 15:20:36 -0700 37) }
^1da177e4c3f4 (Linus Torvalds  2005-04-16 15:20:36 -0700 38) 
^1da177e4c3f4 (Linus Torvalds  2005-04-16 15:20:36 -0700 39) static inline s32 sle32_to_cpup(sle32 *x)
^1da177e4c3f4 (Linus Torvalds  2005-04-16 15:20:36 -0700 40) {
^1da177e4c3f4 (Linus Torvalds  2005-04-16 15:20:36 -0700 41) 	return le32_to_cpu(*(__force le32*)x);
^1da177e4c3f4 (Linus Torvalds  2005-04-16 15:20:36 -0700 42) }
^1da177e4c3f4 (Linus Torvalds  2005-04-16 15:20:36 -0700 43) 
^1da177e4c3f4 (Linus Torvalds  2005-04-16 15:20:36 -0700 44) static inline s64 sle64_to_cpup(sle64 *x)
^1da177e4c3f4 (Linus Torvalds  2005-04-16 15:20:36 -0700 45) {
^1da177e4c3f4 (Linus Torvalds  2005-04-16 15:20:36 -0700 46) 	return le64_to_cpu(*(__force le64*)x);
^1da177e4c3f4 (Linus Torvalds  2005-04-16 15:20:36 -0700 47) }
^1da177e4c3f4 (Linus Torvalds  2005-04-16 15:20:36 -0700 48) 
^1da177e4c3f4 (Linus Torvalds  2005-04-16 15:20:36 -0700 49) static inline sle16 cpu_to_sle16(s16 x)
^1da177e4c3f4 (Linus Torvalds  2005-04-16 15:20:36 -0700 50) {
^1da177e4c3f4 (Linus Torvalds  2005-04-16 15:20:36 -0700 51) 	return (__force sle16)cpu_to_le16(x);
^1da177e4c3f4 (Linus Torvalds  2005-04-16 15:20:36 -0700 52) }
^1da177e4c3f4 (Linus Torvalds  2005-04-16 15:20:36 -0700 53) 
^1da177e4c3f4 (Linus Torvalds  2005-04-16 15:20:36 -0700 54) static inline sle32 cpu_to_sle32(s32 x)
^1da177e4c3f4 (Linus Torvalds  2005-04-16 15:20:36 -0700 55) {
^1da177e4c3f4 (Linus Torvalds  2005-04-16 15:20:36 -0700 56) 	return (__force sle32)cpu_to_le32(x);
^1da177e4c3f4 (Linus Torvalds  2005-04-16 15:20:36 -0700 57) }
^1da177e4c3f4 (Linus Torvalds  2005-04-16 15:20:36 -0700 58) 
^1da177e4c3f4 (Linus Torvalds  2005-04-16 15:20:36 -0700 59) static inline sle64 cpu_to_sle64(s64 x)
^1da177e4c3f4 (Linus Torvalds  2005-04-16 15:20:36 -0700 60) {
^1da177e4c3f4 (Linus Torvalds  2005-04-16 15:20:36 -0700 61) 	return (__force sle64)cpu_to_le64(x);
^1da177e4c3f4 (Linus Torvalds  2005-04-16 15:20:36 -0700 62) }
^1da177e4c3f4 (Linus Torvalds  2005-04-16 15:20:36 -0700 63) 
^1da177e4c3f4 (Linus Torvalds  2005-04-16 15:20:36 -0700 64) static inline sle16 cpu_to_sle16p(s16 *x)
^1da177e4c3f4 (Linus Torvalds  2005-04-16 15:20:36 -0700 65) {
^1da177e4c3f4 (Linus Torvalds  2005-04-16 15:20:36 -0700 66) 	return (__force sle16)cpu_to_le16(*x);
^1da177e4c3f4 (Linus Torvalds  2005-04-16 15:20:36 -0700 67) }
^1da177e4c3f4 (Linus Torvalds  2005-04-16 15:20:36 -0700 68) 
^1da177e4c3f4 (Linus Torvalds  2005-04-16 15:20:36 -0700 69) static inline sle32 cpu_to_sle32p(s32 *x)
^1da177e4c3f4 (Linus Torvalds  2005-04-16 15:20:36 -0700 70) {
^1da177e4c3f4 (Linus Torvalds  2005-04-16 15:20:36 -0700 71) 	return (__force sle32)cpu_to_le32(*x);
^1da177e4c3f4 (Linus Torvalds  2005-04-16 15:20:36 -0700 72) }
^1da177e4c3f4 (Linus Torvalds  2005-04-16 15:20:36 -0700 73) 
^1da177e4c3f4 (Linus Torvalds  2005-04-16 15:20:36 -0700 74) static inline sle64 cpu_to_sle64p(s64 *x)
^1da177e4c3f4 (Linus Torvalds  2005-04-16 15:20:36 -0700 75) {
^1da177e4c3f4 (Linus Torvalds  2005-04-16 15:20:36 -0700 76) 	return (__force sle64)cpu_to_le64(*x);
^1da177e4c3f4 (Linus Torvalds  2005-04-16 15:20:36 -0700 77) }
^1da177e4c3f4 (Linus Torvalds  2005-04-16 15:20:36 -0700 78) 
^1da177e4c3f4 (Linus Torvalds  2005-04-16 15:20:36 -0700 79) #endif /* _LINUX_NTFS_ENDIAN_H */