Release 4.14 drivers/crypto/geode-aes.h

/* 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_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_KEYSIZE_128];
	
u8 *iv;

	union {
		
struct crypto_blkcipher *blk;
		
struct crypto_cipher *cip;
	
} fallback;
	
u32 keylen;
};

#endif
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Directory: drivers/crypto

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