arch/x86/crypto/serpent-sse2.h

Source file repositories/reference/linux-study-clean/arch/x86/crypto/serpent-sse2.h

File Facts

System
Linux kernel
Corpus path
arch/x86/crypto/serpent-sse2.h
Extension
.h
Size
1541 bytes
Lines
61
Domain
Architecture Layer
Bucket
arch/x86
Inferred role
Architecture Layer: implementation source
Status
source implementation candidate

Why This File Exists

CPU and platform-specific kernel glue: boot entry, traps, syscall entry, interrupts, page tables, context switch, and low-level barriers.

Dependency Surface

Detected Declarations

Annotated Snippet

#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

Annotation

Implementation Notes