include/asm-generic/bitops/le.h

   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
   7 #if defined(__LITTLE_ENDIAN)
   8
   9 #define BITOP_LE_SWIZZLE        0
  10
  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 }
  28
  29 #elif defined(__BIG_ENDIAN)
  30
  31 #define BITOP_LE_SWIZZLE        ((BITS_PER_LONG-1) & ~0x7)
  32
  33 extern unsigned long find_next_zero_bit_le(const void *addr,
  34                 unsigned long size, unsigned long offset);
  35 extern unsigned long find_next_bit_le(const void *addr,
  36                 unsigned long size, unsigned long offset);
  37
  38 #define find_first_zero_bit_le(addr, size) \
  39         find_next_zero_bit_le((addr), (size), 0)
  40
  41 #else
  42 #error "Please fix <asm/byteorder.h>"
  43 #endif
  44
  45 static inline int test_bit_le(int nr, const void *addr)
  46 {
  47         return test_bit(nr ^ BITOP_LE_SWIZZLE, addr);
  48 }
  49
  50 static inline void __set_bit_le(int nr, void *addr)
  51 {
  52         __set_bit(nr ^ BITOP_LE_SWIZZLE, addr);
  53 }
  54
  55 static inline void __clear_bit_le(int nr, void *addr)
  56 {
  57         __clear_bit(nr ^ BITOP_LE_SWIZZLE, addr);
  58 }
  59
  60 static inline int test_and_set_bit_le(int nr, void *addr)
  61 {
  62         return test_and_set_bit(nr ^ BITOP_LE_SWIZZLE, addr);
  63 }
  64
  65 static inline int test_and_clear_bit_le(int nr, void *addr)
  66 {
  67         return test_and_clear_bit(nr ^ BITOP_LE_SWIZZLE, addr);
  68 }
  69
  70 static inline int __test_and_set_bit_le(int nr, void *addr)
  71 {
  72         return __test_and_set_bit(nr ^ BITOP_LE_SWIZZLE, addr);
  73 }
  74
  75 static inline int __test_and_clear_bit_le(int nr, void *addr)
  76 {
  77         return __test_and_clear_bit(nr ^ BITOP_LE_SWIZZLE, addr);
  78 }
  79
  80 #endif /* _ASM_GENERIC_BITOPS_LE_H_ */