diff --git a/include/sbi/sbi_bitops.h b/include/sbi/sbi_bitops.h index 7d90334d..3ddac777 100644 --- a/include/sbi/sbi_bitops.h +++ b/include/sbi/sbi_bitops.h @@ -14,6 +14,8 @@ #define BITS_PER_LONG (8 * __SIZEOF_LONG__) +#define BITS_PER_LONG_LONG 64 + #define EXTRACT_FIELD(val, which) \ (((val) & (which)) / ((which) & ~((which)-1))) #define INSERT_FIELD(val, which, fieldval) \ @@ -28,9 +30,13 @@ #define BIT_WORD_OFFSET(bit) ((bit) & (BITS_PER_LONG - 1)) #define BIT_ALIGN(bit, align) (((bit) + ((align) - 1)) & ~((align) - 1)) +#define BIT_ULL(nr) (1ULL << (nr)) + #define GENMASK(h, l) \ (((~0UL) - (1UL << (l)) + 1) & (~0UL >> (BITS_PER_LONG - 1 - (h)))) +#define GENMASK_ULL(h, l) \ + (((~0ULL) - (1ULL << (l)) + 1) & (~0ULL >> (BITS_PER_LONG_LONG - 1 - (h)))) /** * sbi_ffs - find first (less-significant) set bit in a long word. * @word: The word to search