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byteorder: Add le64_to_cpu_array() and cpu_to_le64_array()

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Add le64_to_cpu_array() and cpu_to_le64_array().  These mirror the
corresponding 32-bit functions.

These will be used by the BLAKE2b code.

Reviewed-by: Ard Biesheuvel <ardb@kernel.org>
Link: https://lore.kernel.org/r/20251018043106.375964-6-ebiggers@kernel.org
Signed-off-by: Eric Biggers <ebiggers@kernel.org>
This commit is contained in:
Eric Biggers
2025-10-17 21:31:01 -07:00
parent b95d4471cb
commit c99d307060
1 changed files with 16 additions and 0 deletions
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16
include/linux/byteorder/generic.h
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@@ -173,6 +173,22 @@ static inline void cpu_to_le32_array(u32 *buf, unsigned int words)
}
}
static inline void le64_to_cpu_array(u64 *buf, unsigned int words)
{
while (words--) {
__le64_to_cpus(buf);
buf++;
}
}
static inline void cpu_to_le64_array(u64 *buf, unsigned int words)
{
while (words--) {
__cpu_to_le64s(buf);
buf++;
}
}
static inline void memcpy_from_le32(u32 *dst, const __le32 *src, size_t words)
{
size_t i;