projects / mirror_ubuntu-disco-kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| 930ae745 AM |
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 | ||
| 930ae745 AM |
8 | #if defined(__LITTLE_ENDIAN) |
| 9 | ||
| 63ab595f | 10 | #define BITOP_LE_SWIZZLE 0 |
| 930ae745 | 11 | |
| a56560b3 AM |
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 | ||
| 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 | ||
| 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 | } | |
| 930ae745 AM |
29 | |
| 30 | #elif defined(__BIG_ENDIAN) | |
| 31 | ||
| 63ab595f AM |
32 | #define BITOP_LE_SWIZZLE ((BITS_PER_LONG-1) & ~0x7) |
| 33 | ||
| 19de85ef | 34 | #ifndef find_next_zero_bit_le |
| a56560b3 | 35 | extern unsigned long find_next_zero_bit_le(const void *addr, |
| 63ab595f | 36 | unsigned long size, unsigned long offset); |
| 19de85ef AM |
37 | #endif |
| 38 | ||
| 39 | #ifndef find_next_bit_le | |
| a56560b3 | 40 | extern unsigned long find_next_bit_le(const void *addr, |
| 63ab595f | 41 | unsigned long size, unsigned long offset); |
| 19de85ef | 42 | #endif |
| 63ab595f | 43 | |
| 19de85ef | 44 | #ifndef find_first_zero_bit_le |
| c4945b9e AM |
45 | #define find_first_zero_bit_le(addr, size) \ |
| 46 | find_next_zero_bit_le((addr), (size), 0) | |
| 19de85ef | 47 | #endif |
| 63ab595f AM |
48 | |
| 49 | #else | |
| 50 | #error "Please fix <asm/byteorder.h>" | |
| 51 | #endif | |
| 52 | ||
| a56560b3 AM |
53 | static inline int test_bit_le(int nr, const void *addr) |
| 54 | { | |
| 55 | return test_bit(nr ^ BITOP_LE_SWIZZLE, addr); | |
| 56 | } | |
| 57 | ||
| b9034bf1 TY |
58 | static inline void set_bit_le(int nr, void *addr) |
| 59 | { | |
| 60 | set_bit(nr ^ BITOP_LE_SWIZZLE, addr); | |
| 61 | } | |
| 62 | ||
| 63 | static inline void clear_bit_le(int nr, void *addr) | |
| 64 | { | |
| 65 | clear_bit(nr ^ BITOP_LE_SWIZZLE, addr); | |
| 66 | } | |
| 67 | ||
| a56560b3 AM |
68 | static inline void __set_bit_le(int nr, void *addr) |
| 69 | { | |
| 70 | __set_bit(nr ^ BITOP_LE_SWIZZLE, addr); | |
| 71 | } | |
| 72 | ||
| 73 | static inline void __clear_bit_le(int nr, void *addr) | |
| 74 | { | |
| 75 | __clear_bit(nr ^ BITOP_LE_SWIZZLE, addr); | |
| 76 | } | |
| 77 | ||
| 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 | ||
| 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 | ||
| 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 | ||
| 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 | } | |
| 930ae745 | 97 | |
| 930ae745 | 98 | #endif /* _ASM_GENERIC_BITOPS_LE_H_ */ |