Akinobu Mita | 930ae74 | 2006-03-26 01:39:15 -0800 | [diff] [blame] | 1 | #ifndef _ASM_GENERIC_BITOPS_LE_H_ |
| 2 | #define _ASM_GENERIC_BITOPS_LE_H_ |
| 3 | |
| 4 | #include <asm/types.h> |
| 5 | #include <asm/byteorder.h> |
| 6 | |
Akinobu Mita | 930ae74 | 2006-03-26 01:39:15 -0800 | [diff] [blame] | 7 | #if defined(__LITTLE_ENDIAN) |
| 8 | |
Akinobu Mita | 63ab595 | 2011-03-23 16:41:46 -0700 | [diff] [blame] | 9 | #define BITOP_LE_SWIZZLE 0 |
Akinobu Mita | 930ae74 | 2006-03-26 01:39:15 -0800 | [diff] [blame] | 10 | |
Akinobu Mita | a56560b | 2011-03-23 16:41:50 -0700 | [diff] [blame] | 11 | static inline unsigned long find_next_zero_bit_le(const void *addr, |
| 12 | unsigned long size, unsigned long offset) |
| 13 | { |
| 14 | return find_next_zero_bit(addr, size, offset); |
| 15 | } |
| 16 | |
| 17 | static inline unsigned long find_next_bit_le(const void *addr, |
| 18 | unsigned long size, unsigned long offset) |
| 19 | { |
| 20 | return find_next_bit(addr, size, offset); |
| 21 | } |
| 22 | |
| 23 | static inline unsigned long find_first_zero_bit_le(const void *addr, |
| 24 | unsigned long size) |
| 25 | { |
| 26 | return find_first_zero_bit(addr, size); |
| 27 | } |
Akinobu Mita | 930ae74 | 2006-03-26 01:39:15 -0800 | [diff] [blame] | 28 | |
| 29 | #elif defined(__BIG_ENDIAN) |
| 30 | |
Akinobu Mita | 63ab595 | 2011-03-23 16:41:46 -0700 | [diff] [blame] | 31 | #define BITOP_LE_SWIZZLE ((BITS_PER_LONG-1) & ~0x7) |
| 32 | |
Akinobu Mita | 19de85e | 2011-05-26 16:26:09 -0700 | [diff] [blame] | 33 | #ifndef find_next_zero_bit_le |
Akinobu Mita | a56560b | 2011-03-23 16:41:50 -0700 | [diff] [blame] | 34 | extern unsigned long find_next_zero_bit_le(const void *addr, |
Akinobu Mita | 63ab595 | 2011-03-23 16:41:46 -0700 | [diff] [blame] | 35 | unsigned long size, unsigned long offset); |
Akinobu Mita | 19de85e | 2011-05-26 16:26:09 -0700 | [diff] [blame] | 36 | #endif |
| 37 | |
| 38 | #ifndef find_next_bit_le |
Akinobu Mita | a56560b | 2011-03-23 16:41:50 -0700 | [diff] [blame] | 39 | extern unsigned long find_next_bit_le(const void *addr, |
Akinobu Mita | 63ab595 | 2011-03-23 16:41:46 -0700 | [diff] [blame] | 40 | unsigned long size, unsigned long offset); |
Akinobu Mita | 19de85e | 2011-05-26 16:26:09 -0700 | [diff] [blame] | 41 | #endif |
Akinobu Mita | 63ab595 | 2011-03-23 16:41:46 -0700 | [diff] [blame] | 42 | |
Akinobu Mita | 19de85e | 2011-05-26 16:26:09 -0700 | [diff] [blame] | 43 | #ifndef find_first_zero_bit_le |
Akinobu Mita | c4945b9 | 2011-03-23 16:41:47 -0700 | [diff] [blame] | 44 | #define find_first_zero_bit_le(addr, size) \ |
| 45 | find_next_zero_bit_le((addr), (size), 0) |
Akinobu Mita | 19de85e | 2011-05-26 16:26:09 -0700 | [diff] [blame] | 46 | #endif |
Akinobu Mita | 63ab595 | 2011-03-23 16:41:46 -0700 | [diff] [blame] | 47 | |
| 48 | #else |
| 49 | #error "Please fix <asm/byteorder.h>" |
| 50 | #endif |
| 51 | |
Akinobu Mita | a56560b | 2011-03-23 16:41:50 -0700 | [diff] [blame] | 52 | static inline int test_bit_le(int nr, const void *addr) |
| 53 | { |
| 54 | return test_bit(nr ^ BITOP_LE_SWIZZLE, addr); |
| 55 | } |
Akinobu Mita | 930ae74 | 2006-03-26 01:39:15 -0800 | [diff] [blame] | 56 | |
Akinobu Mita | a56560b | 2011-03-23 16:41:50 -0700 | [diff] [blame] | 57 | static inline void __set_bit_le(int nr, void *addr) |
| 58 | { |
| 59 | __set_bit(nr ^ BITOP_LE_SWIZZLE, addr); |
| 60 | } |
Akinobu Mita | 930ae74 | 2006-03-26 01:39:15 -0800 | [diff] [blame] | 61 | |
Akinobu Mita | a56560b | 2011-03-23 16:41:50 -0700 | [diff] [blame] | 62 | static inline void __clear_bit_le(int nr, void *addr) |
| 63 | { |
| 64 | __clear_bit(nr ^ BITOP_LE_SWIZZLE, addr); |
| 65 | } |
| 66 | |
| 67 | static inline int test_and_set_bit_le(int nr, void *addr) |
| 68 | { |
| 69 | return test_and_set_bit(nr ^ BITOP_LE_SWIZZLE, addr); |
| 70 | } |
| 71 | |
| 72 | static inline int test_and_clear_bit_le(int nr, void *addr) |
| 73 | { |
| 74 | return test_and_clear_bit(nr ^ BITOP_LE_SWIZZLE, addr); |
| 75 | } |
| 76 | |
| 77 | static inline int __test_and_set_bit_le(int nr, void *addr) |
| 78 | { |
| 79 | return __test_and_set_bit(nr ^ BITOP_LE_SWIZZLE, addr); |
| 80 | } |
| 81 | |
| 82 | static inline int __test_and_clear_bit_le(int nr, void *addr) |
| 83 | { |
| 84 | return __test_and_clear_bit(nr ^ BITOP_LE_SWIZZLE, addr); |
| 85 | } |
Akinobu Mita | 930ae74 | 2006-03-26 01:39:15 -0800 | [diff] [blame] | 86 | |
Akinobu Mita | 930ae74 | 2006-03-26 01:39:15 -0800 | [diff] [blame] | 87 | #endif /* _ASM_GENERIC_BITOPS_LE_H_ */ |