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
find_next_zero_bit_le(const void * addr,unsigned long size,unsigned long offset)12 static 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
find_next_bit_le(const void * addr,unsigned long size,unsigned long offset)18 static 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
find_first_zero_bit_le(const void * addr,unsigned long size)24 static 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
35 extern 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
40 extern 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
test_bit_le(int nr,const void * addr)53 static inline int test_bit_le(int nr, const void *addr)
54 {
55 return test_bit(nr ^ BITOP_LE_SWIZZLE, addr);
56 }
57
set_bit_le(int nr,void * addr)58 static inline void set_bit_le(int nr, void *addr)
59 {
60 set_bit(nr ^ BITOP_LE_SWIZZLE, addr);
61 }
62
clear_bit_le(int nr,void * addr)63 static inline void clear_bit_le(int nr, void *addr)
64 {
65 clear_bit(nr ^ BITOP_LE_SWIZZLE, addr);
66 }
67
__set_bit_le(int nr,void * addr)68 static inline void __set_bit_le(int nr, void *addr)
69 {
70 __set_bit(nr ^ BITOP_LE_SWIZZLE, addr);
71 }
72
__clear_bit_le(int nr,void * addr)73 static inline void __clear_bit_le(int nr, void *addr)
74 {
75 __clear_bit(nr ^ BITOP_LE_SWIZZLE, addr);
76 }
77
test_and_set_bit_le(int nr,void * addr)78 static 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
test_and_clear_bit_le(int nr,void * addr)83 static 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
__test_and_set_bit_le(int nr,void * addr)88 static 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
__test_and_clear_bit_le(int nr,void * addr)93 static 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_ */
99