ocfcp.h

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/*
//
//               INTEL CORPORATION PROPRIETARY INFORMATION
//  This software is supplied under the terms of a license agreement or
//  nondisclosure agreement with Intel Corporation and may not be copied
//  or disclosed except in accordance with the terms of that agreement.
//        Copyright (c) 2005 Intel Corporation. All Rights Reserved.
//
*/

#if defined( _OCF_ )

#if !defined( _OCFPC_H_ )
#define _OCFPC_H_


#include <sys/types.h>
#include <sys/ioctl.h>
#include <stdio.h>
#include <fcntl.h>
#include <unistd.h>
#include <crypto/ocf/cryptodev.h>

#include "cipherdefs.h"

#ifdef  __cplusplus
extern "C" {
#endif


/*
// types
*/
typedef unsigned char u8;
typedef unsigned int  u32;

typedef struct session_op  OCFSession;
typedef struct crypt_op    OCFCryptOp;

/* success and error return code */
#define OCF_SUCCESS  (0)
#define OCF_ERROR    (-1)



int ocfCipherID(AlgoName algo);
int ocfCipherBlockSizeByID(int id);
int ocfCipherOperation(CipherOperation op);


/* global descriptor */
extern int cdevFD;


/*
// open (or just return descryptor),
// clone
// and close Crypto Device
*/
int  cdevOpen(void);
void cdevClose(void);
int  cdevClone(void);
void cdevCloneClose(int fd);


int ocfOccupyCipherSession(int fd, OCFSession* pSess,
                           AlgoName algo,
                           const u8* pKey, int keyLen);
int ocfVacateCipherSession(int fd, OCFSession* pSess);


int ocfCipherEnabled(int fd, AlgoName algo);


int ocfCipherECB(int fd, OCFSession* pSes, CipherOperation op,
                 u8* pDst, const u8* pSrc, int srcLen);

int ocfCipherCBC(int fd, OCFSession* pSes, CipherOperation op,
                 const u8* pIV,
                 u8* pDst, const u8* pSrc, int srcLen);
int ocfCipherCFB(int fd, OCFSession* pSes, CipherOperation op,
                 const u8* pIV,  int cfbSize,
                 u8* pDst, const u8* pSrc, int srcLen);
int ocfCipherCTR(int fd, OCFSession* pSes, CipherOperation op,
                 u8* pIV, int ctrSize,
                 u8* pDst, const u8* pSrc, int srcLen);


#ifdef  __cplusplus
}
#endif

#endif /* _OCFPC_H_ */
#endif /* _OCF_ */