arch/x86/include/asm/crypto/serpent-sse2.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #ifndef ASM_X86_SERPENT_SSE2_H
   3 #define ASM_X86_SERPENT_SSE2_H
   4
   5 #include <linux/crypto.h>
   6 #include <crypto/serpent.h>
   7
   8 #ifdef CONFIG_X86_32
   9
  10 #define SERPENT_PARALLEL_BLOCKS 4
  11
  12 asmlinkage void __serpent_enc_blk_4way(struct serpent_ctx *ctx, u8 *dst,
  13                                        const u8 *src, bool xor);
  14 asmlinkage void serpent_dec_blk_4way(struct serpent_ctx *ctx, u8 *dst,
  15                                      const u8 *src);
  16
  17 static inline void serpent_enc_blk_xway(struct serpent_ctx *ctx, u8 *dst,
  18                                         const u8 *src)
  19 {
  20         __serpent_enc_blk_4way(ctx, dst, src, false);
  21 }
  22
  23 static inline void serpent_enc_blk_xway_xor(struct serpent_ctx *ctx, u8 *dst,
  24                                             const u8 *src)
  25 {
  26         __serpent_enc_blk_4way(ctx, dst, src, true);
  27 }
  28
  29 static inline void serpent_dec_blk_xway(struct serpent_ctx *ctx, u8 *dst,
  30                                         const u8 *src)
  31 {
  32         serpent_dec_blk_4way(ctx, dst, src);
  33 }
  34
  35 #else
  36
  37 #define SERPENT_PARALLEL_BLOCKS 8
  38
  39 asmlinkage void __serpent_enc_blk_8way(struct serpent_ctx *ctx, u8 *dst,
  40                                        const u8 *src, bool xor);
  41 asmlinkage void serpent_dec_blk_8way(struct serpent_ctx *ctx, u8 *dst,
  42                                      const u8 *src);
  43
  44 static inline void serpent_enc_blk_xway(struct serpent_ctx *ctx, u8 *dst,
  45                                    const u8 *src)
  46 {
  47         __serpent_enc_blk_8way(ctx, dst, src, false);
  48 }
  49
  50 static inline void serpent_enc_blk_xway_xor(struct serpent_ctx *ctx, u8 *dst,
  51                                        const u8 *src)
  52 {
  53         __serpent_enc_blk_8way(ctx, dst, src, true);
  54 }
  55
  56 static inline void serpent_dec_blk_xway(struct serpent_ctx *ctx, u8 *dst,
  57                                    const u8 *src)
  58 {
  59         serpent_dec_blk_8way(ctx, dst, src);
  60 }
  61
  62 #endif
  63
  64 #endif