include/linux/qcedev.h

#ifndef __QCEDEV__H
#define __QCEDEV__H

#include <linux/types.h>
#include <linux/ioctl.h>

#define QCEDEV_MAX_SHA_BLOCK_SIZE	64
#define QCEDEV_MAX_BEARER	31
#define QCEDEV_MAX_KEY_SIZE	64
#define QCEDEV_MAX_IV_SIZE	32

#define QCEDEV_MAX_BUFFERS      16
#define QCEDEV_MAX_SHA_DIGEST	32

#define QCEDEV_USE_PMEM		1
#define QCEDEV_NO_PMEM		0

#define QCEDEV_AES_KEY_128	16
#define QCEDEV_AES_KEY_192	24
#define QCEDEV_AES_KEY_256	32
enum qcedev_oper_enum {
	QCEDEV_OPER_DEC		= 0,
	QCEDEV_OPER_ENC		= 1,
	QCEDEV_OPER_DEC_NO_KEY	= 2,
	QCEDEV_OPER_ENC_NO_KEY	= 3,
	QCEDEV_OPER_LAST
};

enum qcedev_cipher_alg_enum {
	QCEDEV_ALG_DES		= 0,
	QCEDEV_ALG_3DES		= 1,
	QCEDEV_ALG_AES		= 2,
	QCEDEV_ALG_LAST
};

enum qcedev_cipher_mode_enum {
	QCEDEV_AES_MODE_CBC	= 0,
	QCEDEV_AES_MODE_ECB	= 1,
	QCEDEV_AES_MODE_CTR	= 2,
	QCEDEV_AES_MODE_XTS	= 3,
	QCEDEV_AES_MODE_CCM	= 4,
	QCEDEV_DES_MODE_CBC	= 5,
	QCEDEV_DES_MODE_ECB	= 6,
	QCEDEV_AES_DES_MODE_LAST
};

enum qcedev_sha_alg_enum {
	QCEDEV_ALG_SHA1		= 0,
	QCEDEV_ALG_SHA256	= 1,
	QCEDEV_ALG_SHA1_HMAC	= 2,
	QCEDEV_ALG_SHA256_HMAC	= 3,
	QCEDEV_ALG_AES_CMAC	= 4,
	QCEDEV_ALG_SHA_ALG_LAST
};

struct	buf_info {
	union {
		uint32_t	offset;
		uint8_t		*vaddr;
	};
	uint32_t	len;
};

struct	qcedev_vbuf_info {
	struct buf_info	src[QCEDEV_MAX_BUFFERS];
	struct buf_info	dst[QCEDEV_MAX_BUFFERS];
};

struct	qcedev_pmem_info {
	int		fd_src;
	struct buf_info	src[QCEDEV_MAX_BUFFERS];
	int		fd_dst;
	struct buf_info	dst[QCEDEV_MAX_BUFFERS];
};

struct	qcedev_cipher_op_req {
	uint8_t				use_pmem;
	union {
		struct qcedev_pmem_info	pmem;
		struct qcedev_vbuf_info	vbuf;
	};
	uint32_t			entries;
	uint32_t			data_len;
	uint8_t				in_place_op;
	uint8_t				enckey[QCEDEV_MAX_KEY_SIZE];
	uint32_t			encklen;
	uint8_t				iv[QCEDEV_MAX_IV_SIZE];
	uint32_t			ivlen;
	uint32_t			byteoffset;
	enum qcedev_cipher_alg_enum	alg;
	enum qcedev_cipher_mode_enum	mode;
	enum qcedev_oper_enum		op;
};

struct	qcedev_sha_op_req {
	struct buf_info			data[QCEDEV_MAX_BUFFERS];
	uint32_t			entries;
	uint32_t			data_len;
	uint8_t				digest[QCEDEV_MAX_SHA_DIGEST];
	uint32_t			diglen;
	uint8_t				*authkey;
	uint32_t			authklen;
	enum qcedev_sha_alg_enum	alg;
};


#define QCEDEV_IOC_MAGIC	0x87

#define QCEDEV_IOCTL_ENC_REQ		\
	_IOWR(QCEDEV_IOC_MAGIC, 1, struct qcedev_cipher_op_req)
#define QCEDEV_IOCTL_DEC_REQ		\
	_IOWR(QCEDEV_IOC_MAGIC, 2, struct qcedev_cipher_op_req)
#define QCEDEV_IOCTL_SHA_INIT_REQ	\
	_IOWR(QCEDEV_IOC_MAGIC, 3, struct qcedev_sha_op_req)
#define QCEDEV_IOCTL_SHA_UPDATE_REQ	\
	_IOWR(QCEDEV_IOC_MAGIC, 4, struct qcedev_sha_op_req)
#define QCEDEV_IOCTL_SHA_FINAL_REQ	\
	_IOWR(QCEDEV_IOC_MAGIC, 5, struct qcedev_sha_op_req)
#define QCEDEV_IOCTL_GET_SHA_REQ	\
	_IOWR(QCEDEV_IOC_MAGIC, 6, struct qcedev_sha_op_req)
#define QCEDEV_IOCTL_LOCK_CE	\
	_IO(QCEDEV_IOC_MAGIC, 7)
#define QCEDEV_IOCTL_UNLOCK_CE	\
	_IO(QCEDEV_IOC_MAGIC, 8)
#define QCEDEV_IOCTL_GET_CMAC_REQ	\
	_IOWR(QCEDEV_IOC_MAGIC, 9, struct qcedev_cipher_op_req)
#endif