1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef ASM_X86_SERPENT_AVX_H
3 #define ASM_X86_SERPENT_AVX_H
4 
5 #include <crypto/b128ops.h>
6 #include <crypto/serpent.h>
7 #include <linux/types.h>
8 
9 struct crypto_skcipher;
10 
11 #define SERPENT_PARALLEL_BLOCKS 8
12 
13 struct serpent_xts_ctx {
14 	struct serpent_ctx tweak_ctx;
15 	struct serpent_ctx crypt_ctx;
16 };
17 
18 asmlinkage void serpent_ecb_enc_8way_avx(struct serpent_ctx *ctx, u8 *dst,
19 					 const u8 *src);
20 asmlinkage void serpent_ecb_dec_8way_avx(struct serpent_ctx *ctx, u8 *dst,
21 					 const u8 *src);
22 
23 asmlinkage void serpent_cbc_dec_8way_avx(struct serpent_ctx *ctx, u8 *dst,
24 					 const u8 *src);
25 asmlinkage void serpent_ctr_8way_avx(struct serpent_ctx *ctx, u8 *dst,
26 				     const u8 *src, le128 *iv);
27 
28 asmlinkage void serpent_xts_enc_8way_avx(struct serpent_ctx *ctx, u8 *dst,
29 					 const u8 *src, le128 *iv);
30 asmlinkage void serpent_xts_dec_8way_avx(struct serpent_ctx *ctx, u8 *dst,
31 					 const u8 *src, le128 *iv);
32 
33 extern void __serpent_crypt_ctr(void *ctx, u128 *dst, const u128 *src,
34 				le128 *iv);
35 
36 extern void serpent_xts_enc(void *ctx, u128 *dst, const u128 *src, le128 *iv);
37 extern void serpent_xts_dec(void *ctx, u128 *dst, const u128 *src, le128 *iv);
38 
39 extern int xts_serpent_setkey(struct crypto_skcipher *tfm, const u8 *key,
40 			      unsigned int keylen);
41 
42 #endif
43