1/* SPDX-License-Identifier: GPL-2.0-or-later */
 2/* Copyright (C) 2003-2006, Advanced Micro Devices, Inc.
 
 
 
 
 
 3 */
 4
 5#ifndef _GEODE_AES_H_
 6#define _GEODE_AES_H_
 7
 8/* driver logic flags */
 
 
 
 
 9#define AES_MODE_ECB 0
10#define AES_MODE_CBC 1
11
12#define AES_DIR_DECRYPT 0
13#define AES_DIR_ENCRYPT 1
14
15#define AES_FLAGS_HIDDENKEY (1 << 0)
16
17/* Register definitions */
18
19#define AES_CTRLA_REG  0x0000
20
21#define AES_CTRL_START     0x01
22#define AES_CTRL_DECRYPT   0x00
23#define AES_CTRL_ENCRYPT   0x02
24#define AES_CTRL_WRKEY     0x04
25#define AES_CTRL_DCA       0x08
26#define AES_CTRL_SCA       0x10
27#define AES_CTRL_CBC       0x20
28
29#define AES_INTR_REG  0x0008
30
31#define AES_INTRA_PENDING (1 << 16)
32#define AES_INTRB_PENDING (1 << 17)
33
34#define AES_INTR_PENDING  (AES_INTRA_PENDING | AES_INTRB_PENDING)
35#define AES_INTR_MASK     0x07
36
37#define AES_SOURCEA_REG   0x0010
38#define AES_DSTA_REG      0x0014
39#define AES_LENA_REG      0x0018
40#define AES_WRITEKEY0_REG 0x0030
41#define AES_WRITEIV0_REG  0x0040
42
43/*  A very large counter that is used to gracefully bail out of an
44 *  operation in case of trouble
45 */
46
47#define AES_OP_TIMEOUT    0x50000
48
49struct geode_aes_tfm_ctx {
50	u8 key[AES_KEYSIZE_128];
 
 
 
 
 
 
 
 
 
 
 
51	union {
52		struct crypto_skcipher *skcipher;
53		struct crypto_cipher *cip;
54	} fallback;
55	u32 keylen;
56};
57
58#endif

 
 1/* Copyright (C) 2003-2006, Advanced Micro Devices, Inc.
 2 *
 3 * This program is free software; you can redistribute it and/or modify
 4 * it under the terms of the GNU General Public License as published by
 5 * the Free Software Foundation; either version 2 of the License, or
 6 * (at your option) any later version.
 7 */
 8
 9#ifndef _GEODE_AES_H_
10#define _GEODE_AES_H_
11
12/* driver logic flags */
13#define AES_IV_LENGTH  16
14#define AES_KEY_LENGTH 16
15#define AES_MIN_BLOCK_SIZE 16
16
17#define AES_MODE_ECB 0
18#define AES_MODE_CBC 1
19
20#define AES_DIR_DECRYPT 0
21#define AES_DIR_ENCRYPT 1
22
23#define AES_FLAGS_HIDDENKEY (1 << 0)
24
25/* Register definitions */
26
27#define AES_CTRLA_REG  0x0000
28
29#define AES_CTRL_START     0x01
30#define AES_CTRL_DECRYPT   0x00
31#define AES_CTRL_ENCRYPT   0x02
32#define AES_CTRL_WRKEY     0x04
33#define AES_CTRL_DCA       0x08
34#define AES_CTRL_SCA       0x10
35#define AES_CTRL_CBC       0x20
36
37#define AES_INTR_REG  0x0008
38
39#define AES_INTRA_PENDING (1 << 16)
40#define AES_INTRB_PENDING (1 << 17)
41
42#define AES_INTR_PENDING  (AES_INTRA_PENDING | AES_INTRB_PENDING)
43#define AES_INTR_MASK     0x07
44
45#define AES_SOURCEA_REG   0x0010
46#define AES_DSTA_REG      0x0014
47#define AES_LENA_REG      0x0018
48#define AES_WRITEKEY0_REG 0x0030
49#define AES_WRITEIV0_REG  0x0040
50
51/*  A very large counter that is used to gracefully bail out of an
52 *  operation in case of trouble
53 */
54
55#define AES_OP_TIMEOUT    0x50000
56
57struct geode_aes_op {
58
59	void *src;
60	void *dst;
61
62	u32 mode;
63	u32 dir;
64	u32 flags;
65	int len;
66
67	u8 key[AES_KEY_LENGTH];
68	u8 *iv;
69
70	union {
71		struct crypto_blkcipher *blk;
72		struct crypto_cipher *cip;
73	} fallback;
74	u32 keylen;
75};
76
77#endif