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2024-05-11 297b60346df8beafee954a0fd7c2d64f33f3b9bc 
 kernel/arch/x86/crypto/serpent_avx_glue.c
....@@ -1,3 +1,4 @@
1
+// SPDX-License-Identifier: GPL-2.0-or-later
12 /*
23  * Glue Code for AVX assembler versions of Serpent Cipher
34  *
....@@ -5,22 +6,6 @@
56  *     <Johannes.Goetzfried@informatik.stud.uni-erlangen.de>
67  *
78  * Copyright © 2011-2013 Jussi Kivilinna <jussi.kivilinna@iki.fi>
8
- *
9
- * This program is free software; you can redistribute it and/or modify
10
- * it under the terms of the GNU General Public License as published by
11
- * the Free Software Foundation; either version 2 of the License, or
12
- * (at your option) any later version.
13
- *
14
- * This program is distributed in the hope that it will be useful,
15
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
16
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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- * GNU General Public License for more details.
18
- *
19
- * You should have received a copy of the GNU General Public License
20
- * along with this program; if not, write to the Free Software
21
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307
22
- * USA
23
- *
249  */
2510 
2611 #include <linux/module.h>
....@@ -35,33 +20,35 @@
3520 #include <asm/crypto/serpent-avx.h>
3621 
3722 /* 8-way parallel cipher functions */
38
-asmlinkage void serpent_ecb_enc_8way_avx(struct serpent_ctx *ctx, u8 *dst,
23
+asmlinkage void serpent_ecb_enc_8way_avx(const void *ctx, u8 *dst,
3924 					 const u8 *src);
4025 EXPORT_SYMBOL_GPL(serpent_ecb_enc_8way_avx);
4126 
42
-asmlinkage void serpent_ecb_dec_8way_avx(struct serpent_ctx *ctx, u8 *dst,
27
+asmlinkage void serpent_ecb_dec_8way_avx(const void *ctx, u8 *dst,
4328 					 const u8 *src);
4429 EXPORT_SYMBOL_GPL(serpent_ecb_dec_8way_avx);
4530 
46
-asmlinkage void serpent_cbc_dec_8way_avx(struct serpent_ctx *ctx, u8 *dst,
31
+asmlinkage void serpent_cbc_dec_8way_avx(const void *ctx, u8 *dst,
4732 					 const u8 *src);
4833 EXPORT_SYMBOL_GPL(serpent_cbc_dec_8way_avx);
4934 
50
-asmlinkage void serpent_ctr_8way_avx(struct serpent_ctx *ctx, u8 *dst,
51
-				     const u8 *src, le128 *iv);
35
+asmlinkage void serpent_ctr_8way_avx(const void *ctx, u8 *dst, const u8 *src,
36
+				     le128 *iv);
5237 EXPORT_SYMBOL_GPL(serpent_ctr_8way_avx);
5338 
54
-asmlinkage void serpent_xts_enc_8way_avx(struct serpent_ctx *ctx, u8 *dst,
39
+asmlinkage void serpent_xts_enc_8way_avx(const void *ctx, u8 *dst,
5540 					 const u8 *src, le128 *iv);
5641 EXPORT_SYMBOL_GPL(serpent_xts_enc_8way_avx);
5742 
58
-asmlinkage void serpent_xts_dec_8way_avx(struct serpent_ctx *ctx, u8 *dst,
43
+asmlinkage void serpent_xts_dec_8way_avx(const void *ctx, u8 *dst,
5944 					 const u8 *src, le128 *iv);
6045 EXPORT_SYMBOL_GPL(serpent_xts_dec_8way_avx);
6146 
62
-void __serpent_crypt_ctr(void *ctx, u128 *dst, const u128 *src, le128 *iv)
47
+void __serpent_crypt_ctr(const void *ctx, u8 *d, const u8 *s, le128 *iv)
6348 {
6449 	be128 ctrblk;
50
+	u128 *dst = (u128 *)d;
51
+	const u128 *src = (const u128 *)s;
6552 
6653 	le128_to_be128(&ctrblk, iv);
6754 	le128_inc(iv);
....@@ -71,17 +58,15 @@
7158 }
7259 EXPORT_SYMBOL_GPL(__serpent_crypt_ctr);
7360 
74
-void serpent_xts_enc(void *ctx, u128 *dst, const u128 *src, le128 *iv)
61
+void serpent_xts_enc(const void *ctx, u8 *dst, const u8 *src, le128 *iv)
7562 {
76
-	glue_xts_crypt_128bit_one(ctx, dst, src, iv,
77
-				  GLUE_FUNC_CAST(__serpent_encrypt));
63
+	glue_xts_crypt_128bit_one(ctx, dst, src, iv, __serpent_encrypt);
7864 }
7965 EXPORT_SYMBOL_GPL(serpent_xts_enc);
8066 
81
-void serpent_xts_dec(void *ctx, u128 *dst, const u128 *src, le128 *iv)
67
+void serpent_xts_dec(const void *ctx, u8 *dst, const u8 *src, le128 *iv)
8268 {
83
-	glue_xts_crypt_128bit_one(ctx, dst, src, iv,
84
-				  GLUE_FUNC_CAST(__serpent_decrypt));
69
+	glue_xts_crypt_128bit_one(ctx, dst, src, iv, __serpent_decrypt);
8570 }
8671 EXPORT_SYMBOL_GPL(serpent_xts_dec);
8772 
....@@ -117,10 +102,10 @@
117102 
118103 	.funcs = { {
119104 		.num_blocks = SERPENT_PARALLEL_BLOCKS,
120
-		.fn_u = { .ecb = GLUE_FUNC_CAST(serpent_ecb_enc_8way_avx) }
105
+		.fn_u = { .ecb = serpent_ecb_enc_8way_avx }
121106 	}, {
122107 		.num_blocks = 1,
123
-		.fn_u = { .ecb = GLUE_FUNC_CAST(__serpent_encrypt) }
108
+		.fn_u = { .ecb = __serpent_encrypt }
124109 	} }
125110 };
126111 
....@@ -130,10 +115,10 @@
130115 
131116 	.funcs = { {
132117 		.num_blocks = SERPENT_PARALLEL_BLOCKS,
133
-		.fn_u = { .ctr = GLUE_CTR_FUNC_CAST(serpent_ctr_8way_avx) }
118
+		.fn_u = { .ctr = serpent_ctr_8way_avx }
134119 	}, {
135120 		.num_blocks = 1,
136
-		.fn_u = { .ctr = GLUE_CTR_FUNC_CAST(__serpent_crypt_ctr) }
121
+		.fn_u = { .ctr = __serpent_crypt_ctr }
137122 	} }
138123 };
139124 
....@@ -143,10 +128,10 @@
143128 
144129 	.funcs = { {
145130 		.num_blocks = SERPENT_PARALLEL_BLOCKS,
146
-		.fn_u = { .xts = GLUE_XTS_FUNC_CAST(serpent_xts_enc_8way_avx) }
131
+		.fn_u = { .xts = serpent_xts_enc_8way_avx }
147132 	}, {
148133 		.num_blocks = 1,
149
-		.fn_u = { .xts = GLUE_XTS_FUNC_CAST(serpent_xts_enc) }
134
+		.fn_u = { .xts = serpent_xts_enc }
150135 	} }
151136 };
152137 
....@@ -156,10 +141,10 @@
156141 
157142 	.funcs = { {
158143 		.num_blocks = SERPENT_PARALLEL_BLOCKS,
159
-		.fn_u = { .ecb = GLUE_FUNC_CAST(serpent_ecb_dec_8way_avx) }
144
+		.fn_u = { .ecb = serpent_ecb_dec_8way_avx }
160145 	}, {
161146 		.num_blocks = 1,
162
-		.fn_u = { .ecb = GLUE_FUNC_CAST(__serpent_decrypt) }
147
+		.fn_u = { .ecb = __serpent_decrypt }
163148 	} }
164149 };
165150 
....@@ -169,10 +154,10 @@
169154 
170155 	.funcs = { {
171156 		.num_blocks = SERPENT_PARALLEL_BLOCKS,
172
-		.fn_u = { .cbc = GLUE_CBC_FUNC_CAST(serpent_cbc_dec_8way_avx) }
157
+		.fn_u = { .cbc = serpent_cbc_dec_8way_avx }
173158 	}, {
174159 		.num_blocks = 1,
175
-		.fn_u = { .cbc = GLUE_CBC_FUNC_CAST(__serpent_decrypt) }
160
+		.fn_u = { .cbc = __serpent_decrypt }
176161 	} }
177162 };
178163 
....@@ -182,10 +167,10 @@
182167 
183168 	.funcs = { {
184169 		.num_blocks = SERPENT_PARALLEL_BLOCKS,
185
-		.fn_u = { .xts = GLUE_XTS_FUNC_CAST(serpent_xts_dec_8way_avx) }
170
+		.fn_u = { .xts = serpent_xts_dec_8way_avx }
186171 	}, {
187172 		.num_blocks = 1,
188
-		.fn_u = { .xts = GLUE_XTS_FUNC_CAST(serpent_xts_dec) }
173
+		.fn_u = { .xts = serpent_xts_dec }
189174 	} }
190175 };
191176 
....@@ -201,8 +186,7 @@
201186 
202187 static int cbc_encrypt(struct skcipher_request *req)
203188 {
204
-	return glue_cbc_encrypt_req_128bit(GLUE_FUNC_CAST(__serpent_encrypt),
205
-					   req);
189
+	return glue_cbc_encrypt_req_128bit(__serpent_encrypt, req);
206190 }
207191 
208192 static int cbc_decrypt(struct skcipher_request *req)
....@@ -221,8 +205,8 @@
221205 	struct serpent_xts_ctx *ctx = crypto_skcipher_ctx(tfm);
222206 
223207 	return glue_xts_req_128bit(&serpent_enc_xts, req,
224
-				   XTS_TWEAK_CAST(__serpent_encrypt),
225
-				   &ctx->tweak_ctx, &ctx->crypt_ctx);
208
+				   __serpent_encrypt, &ctx->tweak_ctx,
209
+				   &ctx->crypt_ctx, false);
226210 }
227211 
228212 static int xts_decrypt(struct skcipher_request *req)
....@@ -231,8 +215,8 @@
231215 	struct serpent_xts_ctx *ctx = crypto_skcipher_ctx(tfm);
232216 
233217 	return glue_xts_req_128bit(&serpent_dec_xts, req,
234
-				   XTS_TWEAK_CAST(__serpent_encrypt),
235
-				   &ctx->tweak_ctx, &ctx->crypt_ctx);
218
+				   __serpent_encrypt, &ctx->tweak_ctx,
219
+				   &ctx->crypt_ctx, true);
236220 }
237221 
238222 static struct skcipher_alg serpent_algs[] = {