mirror of
https://github.com/torvalds/linux.git
synced 2024-11-01 09:41:44 +00:00
d2456c6623
There is no reason to keep the IV in the private structre. Instead keep just a pointer to make the patch smaller :) This also remove a few memcpy()s Signed-off-by: Sebastian Siewior <sebastian@breakpoint.cc> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
78 lines
1.6 KiB
C
78 lines
1.6 KiB
C
/* 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_
|
|
|
|
/* driver logic flags */
|
|
#define AES_IV_LENGTH 16
|
|
#define AES_KEY_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_HIDDENKEY (1 << 0)
|
|
|
|
/* Register definitions */
|
|
|
|
#define AES_CTRLA_REG 0x0000
|
|
|
|
#define AES_CTRL_START 0x01
|
|
#define AES_CTRL_DECRYPT 0x00
|
|
#define AES_CTRL_ENCRYPT 0x02
|
|
#define AES_CTRL_WRKEY 0x04
|
|
#define AES_CTRL_DCA 0x08
|
|
#define AES_CTRL_SCA 0x10
|
|
#define AES_CTRL_CBC 0x20
|
|
|
|
#define AES_INTR_REG 0x0008
|
|
|
|
#define AES_INTRA_PENDING (1 << 16)
|
|
#define AES_INTRB_PENDING (1 << 17)
|
|
|
|
#define AES_INTR_PENDING (AES_INTRA_PENDING | AES_INTRB_PENDING)
|
|
#define AES_INTR_MASK 0x07
|
|
|
|
#define AES_SOURCEA_REG 0x0010
|
|
#define AES_DSTA_REG 0x0014
|
|
#define AES_LENA_REG 0x0018
|
|
#define AES_WRITEKEY0_REG 0x0030
|
|
#define AES_WRITEIV0_REG 0x0040
|
|
|
|
/* A very large counter that is used to gracefully bail out of an
|
|
* operation in case of trouble
|
|
*/
|
|
|
|
#define AES_OP_TIMEOUT 0x50000
|
|
|
|
struct geode_aes_op {
|
|
|
|
void *src;
|
|
void *dst;
|
|
|
|
u32 mode;
|
|
u32 dir;
|
|
u32 flags;
|
|
int len;
|
|
|
|
u8 key[AES_KEY_LENGTH];
|
|
u8 *iv;
|
|
|
|
union {
|
|
struct crypto_blkcipher *blk;
|
|
struct crypto_cipher *cip;
|
|
} fallback;
|
|
u32 keylen;
|
|
};
|
|
|
|
#endif
|