https://github.com/torvalds/linux
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Tip revision: ceaa837f96adb69c0df0397937cd74991d5d821a authored by Linus Torvalds on 12 February 2023, 22:10:17 UTC
Linux 6.2-rc8
Tip revision: ceaa837
serpent-sse2.h
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef ASM_X86_SERPENT_SSE2_H
#define ASM_X86_SERPENT_SSE2_H

#include <linux/crypto.h>
#include <crypto/serpent.h>

#ifdef CONFIG_X86_32

#define SERPENT_PARALLEL_BLOCKS 4

asmlinkage void __serpent_enc_blk_4way(const struct serpent_ctx *ctx, u8 *dst,
				       const u8 *src, bool xor);
asmlinkage void serpent_dec_blk_4way(const struct serpent_ctx *ctx, u8 *dst,
				     const u8 *src);

static inline void serpent_enc_blk_xway(const void *ctx, u8 *dst, const u8 *src)
{
	__serpent_enc_blk_4way(ctx, dst, src, false);
}

static inline void serpent_enc_blk_xway_xor(const struct serpent_ctx *ctx,
					    u8 *dst, const u8 *src)
{
	__serpent_enc_blk_4way(ctx, dst, src, true);
}

static inline void serpent_dec_blk_xway(const void *ctx, u8 *dst, const u8 *src)
{
	serpent_dec_blk_4way(ctx, dst, src);
}

#else

#define SERPENT_PARALLEL_BLOCKS 8

asmlinkage void __serpent_enc_blk_8way(const struct serpent_ctx *ctx, u8 *dst,
				       const u8 *src, bool xor);
asmlinkage void serpent_dec_blk_8way(const struct serpent_ctx *ctx, u8 *dst,
				     const u8 *src);

static inline void serpent_enc_blk_xway(const void *ctx, u8 *dst, const u8 *src)
{
	__serpent_enc_blk_8way(ctx, dst, src, false);
}

static inline void serpent_enc_blk_xway_xor(const struct serpent_ctx *ctx,
					    u8 *dst, const u8 *src)
{
	__serpent_enc_blk_8way(ctx, dst, src, true);
}

static inline void serpent_dec_blk_xway(const void *ctx, u8 *dst, const u8 *src)
{
	serpent_dec_blk_8way(ctx, dst, src);
}

#endif

#endif
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