Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
1/* SPDX-License-Identifier: GPL-2.0 */
2#ifndef _ASM_GENERIC_BITOPS_LE_H_
3#define _ASM_GENERIC_BITOPS_LE_H_
4
5#include <asm/types.h>
6#include <asm/byteorder.h>
7
8#if defined(__LITTLE_ENDIAN)
9
10#define BITOP_LE_SWIZZLE 0
11
12static inline unsigned long find_next_zero_bit_le(const void *addr,
13 unsigned long size, unsigned long offset)
14{
15 return find_next_zero_bit(addr, size, offset);
16}
17
18static inline unsigned long find_next_bit_le(const void *addr,
19 unsigned long size, unsigned long offset)
20{
21 return find_next_bit(addr, size, offset);
22}
23
24static inline unsigned long find_first_zero_bit_le(const void *addr,
25 unsigned long size)
26{
27 return find_first_zero_bit(addr, size);
28}
29
30#elif defined(__BIG_ENDIAN)
31
32#define BITOP_LE_SWIZZLE ((BITS_PER_LONG-1) & ~0x7)
33
34#ifndef find_next_zero_bit_le
35extern unsigned long find_next_zero_bit_le(const void *addr,
36 unsigned long size, unsigned long offset);
37#endif
38
39#ifndef find_next_bit_le
40extern unsigned long find_next_bit_le(const void *addr,
41 unsigned long size, unsigned long offset);
42#endif
43
44#ifndef find_first_zero_bit_le
45#define find_first_zero_bit_le(addr, size) \
46 find_next_zero_bit_le((addr), (size), 0)
47#endif
48
49#else
50#error "Please fix <asm/byteorder.h>"
51#endif
52
53static inline int test_bit_le(int nr, const void *addr)
54{
55 return test_bit(nr ^ BITOP_LE_SWIZZLE, addr);
56}
57
58static inline void set_bit_le(int nr, void *addr)
59{
60 set_bit(nr ^ BITOP_LE_SWIZZLE, addr);
61}
62
63static inline void clear_bit_le(int nr, void *addr)
64{
65 clear_bit(nr ^ BITOP_LE_SWIZZLE, addr);
66}
67
68static inline void __set_bit_le(int nr, void *addr)
69{
70 __set_bit(nr ^ BITOP_LE_SWIZZLE, addr);
71}
72
73static inline void __clear_bit_le(int nr, void *addr)
74{
75 __clear_bit(nr ^ BITOP_LE_SWIZZLE, addr);
76}
77
78static inline int test_and_set_bit_le(int nr, void *addr)
79{
80 return test_and_set_bit(nr ^ BITOP_LE_SWIZZLE, addr);
81}
82
83static inline int test_and_clear_bit_le(int nr, void *addr)
84{
85 return test_and_clear_bit(nr ^ BITOP_LE_SWIZZLE, addr);
86}
87
88static inline int __test_and_set_bit_le(int nr, void *addr)
89{
90 return __test_and_set_bit(nr ^ BITOP_LE_SWIZZLE, addr);
91}
92
93static inline int __test_and_clear_bit_le(int nr, void *addr)
94{
95 return __test_and_clear_bit(nr ^ BITOP_LE_SWIZZLE, addr);
96}
97
98#endif /* _ASM_GENERIC_BITOPS_LE_H_ */