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authorJordan Crouse <jordan.crouse@amd.com>2006-10-04 04:48:57 -0400
committerDavid S. Miller <davem@sunset.davemloft.net>2006-12-06 21:38:46 -0500
commit9fe757b0cfcee0724027a675c533077287a21b96 (patch)
treea68942e39e350e78b0b9e0fcfa701b9ddbcf5a70 /drivers/crypto/geode-aes.h
parent94b9bb5480e73cec4552b19fc3f809742b4ebf67 (diff)
[PATCH] crypto: Add support for the Geode LX AES hardware
Add a driver to support the AES hardware on the Geode LX processor. Signed-off-by: Jordan Crouse <jordan.crouse@amd.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/crypto/geode-aes.h')
-rw-r--r--drivers/crypto/geode-aes.h42
1 files changed, 42 insertions, 0 deletions
diff --git a/drivers/crypto/geode-aes.h b/drivers/crypto/geode-aes.h
new file mode 100644
index 000000000000..3e3a571d4a20
--- /dev/null
+++ b/drivers/crypto/geode-aes.h
@@ -0,0 +1,42 @@
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#define AES_KEY_LENGTH 16
13#define AES_IV_LENGTH 16
14
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_USRKEY (1 << 0)
24#define AES_FLAGS_COHERENT (1 << 1)
25
26struct geode_aes_op {
27
28 void *src;
29 void *dst;
30
31 u32 mode;
32 u32 dir;
33 u32 flags;
34 int len;
35
36 u8 key[AES_KEY_LENGTH];
37 u8 iv[AES_IV_LENGTH];
38};
39
40unsigned int geode_aes_crypt(struct geode_aes_op *);
41
42#endif