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authorJordan Crouse <jordan.crouse@amd.com>2006-10-04 18:48:57 +1000
committerDavid S. Miller <davem@sunset.davemloft.net>2006-12-06 18:38:46 -0800
commit9fe757b0cfcee0724027a675c533077287a21b96 (patch)
treea68942e39e350e78b0b9e0fcfa701b9ddbcf5a70 /drivers/crypto/geode-aes.h
parent94b9bb5480e73cec4552b19fc3f809742b4ebf67 (diff)
downloadlinux-9fe757b0cfcee0724027a675c533077287a21b96.tar.gz
[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 @@
+/* Copyright (C) 2003-2006, Advanced Micro Devices, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+
+#ifndef _GEODE_AES_H_
+#define _GEODE_AES_H_
+
+#define AES_KEY_LENGTH 16
+#define AES_IV_LENGTH 16
+
+#define AES_MIN_BLOCK_SIZE 16
+
+#define AES_MODE_ECB 0
+#define AES_MODE_CBC 1
+
+#define AES_DIR_DECRYPT 0
+#define AES_DIR_ENCRYPT 1
+
+#define AES_FLAGS_USRKEY (1 << 0)
+#define AES_FLAGS_COHERENT (1 << 1)
+
+struct geode_aes_op {
+
+ void *src;
+ void *dst;
+
+ u32 mode;
+ u32 dir;
+ u32 flags;
+ int len;
+
+ u8 key[AES_KEY_LENGTH];
+ u8 iv[AES_IV_LENGTH];
+};
+
+unsigned int geode_aes_crypt(struct geode_aes_op *);
+
+#endif