include/crypto/fmp.h - LeafOS-Devices/android_kernel_samsung_gta4xl - Gitiles

 /*
  * Copyright (C) 2016 Samsung Electronics Co., Ltd.
  *
  * 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 _EXYNOS_FMP_H_
 #define _EXYNOS_FMP_H_

 #include <linux/platform_device.h>
 #include <linux/miscdevice.h>
 #include <linux/bio.h>

 #define FMP_DRV_VERSION "3.0.1"

 #define FMP_KEY_SIZE_16		16
 #define FMP_KEY_SIZE_32		32
 #define FMP_IV_SIZE_16		16

 #define FMP_CBC_MAX_KEY_SIZE	FMP_KEY_SIZE_16
 #define FMP_XTS_MAX_KEY_SIZE	((FMP_KEY_SIZE_32) * (2))
 #define FMP_MAX_KEY_SIZE	FMP_XTS_MAX_KEY_SIZE

 #define FMP_HOST_TYPE_NAME_LEN	8
 #define FMP_BLOCK_TYPE_NAME_LEN	8

 #define FMP_SECTOR_SIZE	0x1000
 #define FMP_MIN_SECTOR_SIZE	0x200
 #define NUM_SECTOR_UNIT	((FMP_SECTOR_SIZE)/(FMP_MIN_SECTOR_SIZE))

 #define MAX_AES_XTS_TRANSFER_SIZE	0x1000

 #ifndef TRUE
 #define TRUE 1
 #endif

 #ifndef FALSE
 #define FALSE 0
 #endif

 enum fmp_crypto_algo_mode {
 	EXYNOS_FMP_BYPASS_MODE = 0,
 	EXYNOS_FMP_ALGO_MODE_AES_CBC = 1,
 	EXYNOS_FMP_ALGO_MODE_AES_XTS = 2,
 };

 enum fmp_crypto_key_size {
 	EXYNOS_FMP_KEY_SIZE_16 = 16,
 	EXYNOS_FMP_KEY_SIZE_32 = 32,
 };

 enum fmp_crypto_enc_mode {
 	EXYNOS_FMP_FILE_ENC = 0,
 	EXYNOS_FMP_DISK_ENC = 1,	/* use persistent key */
 	EXYNOS_FMP_ENC_MAX
 };

 enum fmp_disk_key_status {
 	KEY_STORED = 0,
 	KEY_SET = 1,
 	KEY_CLEAR = 2,
 	KEY_ERROR = -1,
 };

 struct fmp_crypto_info {
 	/* This field's stongly aligned 'crypto_diskcipher->algo' */
 	u32 use_diskc;
 	u8 key[FMP_MAX_KEY_SIZE];
 	u32 key_size;
 	enum fmp_crypto_key_size fmp_key_size;
 	enum fmp_crypto_enc_mode enc_mode;
 	enum fmp_crypto_algo_mode algo_mode;
 	void *ctx;
 };

 #if defined(CONFIG_MMC_DW_EXYNOS_FMP) && defined(CONFIG_SCSI_UFS_EXYNOS_FMP)
 #error "FMP doesn't support muti-host"
 #elif defined(CONFIG_MMC_DW_EXYNOS_FMP)
 struct fmp_table_setting {
 	__le32 des0;		/* des0 */
 #define GET_CMDQ_LENGTH(d) \
 	(((d)->des0 & 0xffff0000) >> 16)
 	__le32 des1;		/* des1 */
 	__le32 des2;		/* des2 */
 #define FKL BIT(26)
 #define DKL BIT(27)
 #define SET_KEYLEN(d, v) ((d)->des2 |= (uint32_t)v)
 #define SET_FAS(d, v) \
 			((d)->des2 = ((d)->des2 & 0xcfffffff) | v << 28)
 #define SET_DAS(d, v) \
 			((d)->des2 = ((d)->des2 & 0x3fffffff) | v << 30)
 #define GET_FAS(d)      ((d)->des2 & 0x30000000)
 #define GET_DAS(d)      ((d)->des2 & 0xc0000000)
 #define GET_LENGTH(d) \
 			((d)->des2 & 0x3ffffff)
 	__le32 des3;		/* des3 */
 	/* CMDQ Operation */
 #define FKL_CMDQ BIT(0)
 #define DKL_CMDQ BIT(1)
 #define SET_CMDQ_KEYLEN(d, v) ((d)->des3 |= (uint32_t)v)
 #define SET_CMDQ_FAS(d, v) \
 			((d)->des3 = ((d)->des3 & 0xfffffff3) | v << 2)
 #define SET_CMDQ_DAS(d, v) \
 			((d)->des3 = ((d)->des3 & 0xffffffcf) | v << 4)
 #define GET_CMDQ_FAS(d) ((d)->des3 & 0x0000000c)
 #define GET_CMDQ_DAS(d) ((d)->des3 & 0x00000030)
 	__le32 reserved0;	/* des4 */
 	__le32 reserved1;
 	__le32 reserved2;
 	__le32 reserved3;
 	__le32 file_iv0;	/* des8 */
 	__le32 file_iv1;
 	__le32 file_iv2;
 	__le32 file_iv3;
 	__le32 file_enckey0;	/* des12 */
 	__le32 file_enckey1;
 	__le32 file_enckey2;
 	__le32 file_enckey3;
 	__le32 file_enckey4;
 	__le32 file_enckey5;
 	__le32 file_enckey6;
 	__le32 file_enckey7;
 	__le32 file_twkey0;	/* des20 */
 	__le32 file_twkey1;
 	__le32 file_twkey2;
 	__le32 file_twkey3;
 	__le32 file_twkey4;
 	__le32 file_twkey5;
 	__le32 file_twkey6;
 	__le32 file_twkey7;
 	__le32 disk_iv0;	/* des28 */
 	__le32 disk_iv1;
 	__le32 disk_iv2;
 	__le32 disk_iv3;
 };
 #elif defined(CONFIG_SCSI_UFS_EXYNOS_FMP)
 struct fmp_table_setting {
 	__le32 des0;		/* des0 */
 #define GET_CMDQ_LENGTH(d) \
 	(((d)->des0 & 0xffff0000) >> 16)
 	__le32 des1;		/* des1 */
 	__le32 des2;		/* des2 */
 	__le32 des3;		/* des3 */
 /* Legacy Operation */
 #define FKL BIT(26)
 #define DKL BIT(27)
 #define SET_KEYLEN(d, v) ((d)->des3 |= (uint32_t)v)
 #define SET_FAS(d, v) \
 	((d)->des3 = ((d)->des3 & 0xcfffffff) | v << 28)
 #define SET_DAS(d, v) \
 	((d)->des3 = ((d)->des3 & 0x3fffffff) | v << 30)
 #define GET_FAS(d)	((d)->des3 & 0x30000000)
 #define GET_DAS(d)	((d)->des3 & 0xc0000000)
 #define GET_LENGTH(d) \
 	((d)->des3 & 0x3ffffff)
 /* CMDQ Operation */
 #define FKL_CMDQ BIT(0)
 #define DKL_CMDQ BIT(1)
 #define SET_CMDQ_KEYLEN(d, v) ((d)->des3 |= (uint32_t)v)
 #define SET_CMDQ_FAS(d, v) \
 	((d)->des3 = ((d)->des3 & 0xfffffff3) | v << 2)
 #define SET_CMDQ_DAS(d, v) \
 	((d)->des3 = ((d)->des3 & 0xffffffcf) | v << 4)
 #define GET_CMDQ_FAS(d)	((d)->des3 & 0x0000000c)
 #define GET_CMDQ_DAS(d)	((d)->des3 & 0x00000030)
 	__le32 file_iv0;	/* des4 */
 	__le32 file_iv1;	/* des5 */
 	__le32 file_iv2;	/* des6 */
 	__le32 file_iv3;	/* des7 */
 	__le32 file_enckey0;	/* des8 */
 	__le32 file_enckey1;	/* des9 */
 	__le32 file_enckey2;	/* des10 */
 	__le32 file_enckey3;	/* des11 */
 	__le32 file_enckey4;	/* des12 */
 	__le32 file_enckey5;	/* des13 */
 	__le32 file_enckey6;	/* des14 */
 	__le32 file_enckey7;	/* des15 */
 	__le32 file_twkey0;	/* des16 */
 	__le32 file_twkey1;	/* des17 */
 	__le32 file_twkey2;	/* des18 */
 	__le32 file_twkey3;	/* des19 */
 	__le32 file_twkey4;	/* des20 */
 	__le32 file_twkey5;	/* des21 */
 	__le32 file_twkey6;	/* des22 */
 	__le32 file_twkey7;	/* des23 */
 	__le32 disk_iv0;	/* des24 */
 	__le32 disk_iv1;	/* des25 */
 	__le32 disk_iv2;	/* des26 */
 	__le32 disk_iv3;	/* des27 */
 	__le32 reserved0;	/* des28 */
 	__le32 reserved1;	/* des29 */
 	__le32 reserved2;	/* des30 */
 	__le32 reserved3;	/* des31 */
 };
 #endif

 struct fmp_data_setting {
 	struct fmp_crypto_info crypt[EXYNOS_FMP_ENC_MAX];
 	struct fmp_table_setting *table;
 	bool cmdq_enabled;
 };

 #ifdef CONFIG_EXYNOS_FMP_FIPS
 struct fips_result {
 	bool overall;
 	bool aes_xts;
 	bool aes_cbc;
 	bool sha256;
 	bool hmac;
 	bool integrity;
 };
 #endif

 #define EXYNOS_FMP_ALGO_MODE_MASK (0x3)
 #define EXYNOS_FMP_ALGO_MODE_TEST_OFFSET (0xf)
 #define EXYNOS_FMP_ALGO_MODE_TEST (1 << EXYNOS_FMP_ALGO_MODE_TEST_OFFSET)

 struct fmp_test_data {
 	char block_type[FMP_BLOCK_TYPE_NAME_LEN];
 	struct block_device *bdev;
 	sector_t sector;
 	dev_t devt;
 	uint32_t test_block_offset;
 	/* iv to submitted */
 	u8 iv[FMP_IV_SIZE_16];
 	/* diskcipher for test */
 	struct fmp_crypto_info ci;
 };

 struct exynos_fmp {
 	struct device *dev;
 	enum fmp_disk_key_status status_disk_key;
 	struct fmp_test_data *test_data;
 #ifdef CONFIG_EXYNOS_FMP_FIPS
 	atomic_t fips_start;
 	struct fips_result result;
 	struct miscdevice miscdev;
 	void *test_vops;
 	int fips_run;
 	int fips_fin;
 	struct buffer_head *bh;
 #endif
 };

 struct fmp_request {
 	void *table;
 	void *iv;
 	u32 ivsize;
 	u32 prdt_cnt;
 	unsigned long prdt_off;
 	bool cmdq_enabled;
 	bool fips;
 };

 #define ACCESS_CONTROL_ABORT	0x14

 #ifndef SMC_CMD_FMP_SECURITY
 /* For FMP/SMU Ctrl */
 #define SMC_CMD_FMP_SECURITY		(0xC2001810)
 #define SMC_CMD_FMP_DISK_KEY_STORED	(0xC2001820)
 #define SMC_CMD_FMP_DISK_KEY_SET	(0xC2001830)
 #define SMC_CMD_FMP_DISK_KEY_CLEAR	(0xC2001840)
 #define SMC_CMD_SMU			(0xC2001850)
 #define SMC_CMD_FMP_SMU_RESUME		(0xC2001860)
 #define SMC_CMD_FMP_SMU_DUMP		(0xC2001870)
 #define SMC_CMD_UFS_LOG			(0xC2001880)
 #endif

 enum smu_id {
 	SMU_EMBEDDED = 0,
 	SMU_UFSCARD = 1,
 	SMU_SDCARD = 2,
 	SMU_ID_MAX,
 };

 enum smu_command {
 	SMU_INIT = 0,
 	SMU_SET = 1,
 	SMU_ABORT = 2,
 };

 /* fmp functions */
 #if defined(CONFIG_MMC_DW_EXYNOS_FMP) || defined(CONFIG_SCSI_UFS_EXYNOS_FMP)
 int exynos_fmp_fips(struct bio *bio);
 int exynos_fmp_bypass(struct fmp_request *req, struct bio *bio);
 int exynos_fmp_sec_cfg(int fmp_id, int smu_id, bool init);
 int exynos_fmp_smu_abort(int id);
 int exynos_fmp_crypt(struct fmp_crypto_info *ci, void *priv);
 int exynos_fmp_clear(struct fmp_crypto_info *ci, void *priv);
 int exynos_fmp_setkey(struct fmp_crypto_info *ci,
 		u8 *in_key, u32 keylen, bool persistent);
 int exynos_fmp_clearkey(struct fmp_crypto_info *ci);
 bool exynos_fmp_check_test(struct bio *bio, struct fmp_crypto_info *fmp_info);
 #else
 #define exynos_fmp_fips(a) ((void *)0)
 #define exynos_fmp_bypass(a, b) ((void *)0)
 #define exynos_fmp_sec_cfg(a, b, c) (0)
 #define exynos_fmp_smu_abort(a) (0)
 #define exynos_fmp_crypt(a, b) (0)
 #define exynos_fmp_clear(a, b) (0)
 #define exynos_fmp_setkey(a, b, c, d) (0)
 #define exynos_fmp_clearkey(a) (0)
 #endif
 void *exynos_fmp_init(struct platform_device *pdev);
 void exynos_fmp_exit(struct platform_device *pdev);
 #endif /* _EXYNOS_FMP_H_ */
	/*
	* Copyright (C) 2016 Samsung Electronics Co., Ltd.
	*
	* 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 _EXYNOS_FMP_H_
	#define _EXYNOS_FMP_H_

	#include <linux/platform_device.h>
	#include <linux/miscdevice.h>
	#include <linux/bio.h>

	#define FMP_DRV_VERSION "3.0.1"

	#define FMP_KEY_SIZE_16 16
	#define FMP_KEY_SIZE_32 32
	#define FMP_IV_SIZE_16 16

	#define FMP_CBC_MAX_KEY_SIZE FMP_KEY_SIZE_16
	#define FMP_XTS_MAX_KEY_SIZE ((FMP_KEY_SIZE_32) * (2))
	#define FMP_MAX_KEY_SIZE FMP_XTS_MAX_KEY_SIZE

	#define FMP_HOST_TYPE_NAME_LEN 8
	#define FMP_BLOCK_TYPE_NAME_LEN 8

	#define FMP_SECTOR_SIZE 0x1000
	#define FMP_MIN_SECTOR_SIZE 0x200
	#define NUM_SECTOR_UNIT ((FMP_SECTOR_SIZE)/(FMP_MIN_SECTOR_SIZE))

	#define MAX_AES_XTS_TRANSFER_SIZE 0x1000

	#ifndef TRUE
	#define TRUE 1
	#endif

	#ifndef FALSE
	#define FALSE 0
	#endif

	enum fmp_crypto_algo_mode {
	EXYNOS_FMP_BYPASS_MODE = 0,
	EXYNOS_FMP_ALGO_MODE_AES_CBC = 1,
	EXYNOS_FMP_ALGO_MODE_AES_XTS = 2,
	};

	enum fmp_crypto_key_size {
	EXYNOS_FMP_KEY_SIZE_16 = 16,
	EXYNOS_FMP_KEY_SIZE_32 = 32,
	};

	enum fmp_crypto_enc_mode {
	EXYNOS_FMP_FILE_ENC = 0,
	EXYNOS_FMP_DISK_ENC = 1, /* use persistent key */
	EXYNOS_FMP_ENC_MAX
	};

	enum fmp_disk_key_status {
	KEY_STORED = 0,
	KEY_SET = 1,
	KEY_CLEAR = 2,
	KEY_ERROR = -1,
	};

	struct fmp_crypto_info {
	/* This field's stongly aligned 'crypto_diskcipher->algo' */
	u32 use_diskc;
	u8 key[FMP_MAX_KEY_SIZE];
	u32 key_size;
	enum fmp_crypto_key_size fmp_key_size;
	enum fmp_crypto_enc_mode enc_mode;
	enum fmp_crypto_algo_mode algo_mode;
	void *ctx;
	};

	#if defined(CONFIG_MMC_DW_EXYNOS_FMP) && defined(CONFIG_SCSI_UFS_EXYNOS_FMP)
	#error "FMP doesn't support muti-host"
	#elif defined(CONFIG_MMC_DW_EXYNOS_FMP)
	struct fmp_table_setting {
	__le32 des0; /* des0 */
	#define GET_CMDQ_LENGTH(d) \
	(((d)->des0 & 0xffff0000) >> 16)
	__le32 des1; /* des1 */
	__le32 des2; /* des2 */
	#define FKL BIT(26)
	#define DKL BIT(27)
	#define SET_KEYLEN(d, v) ((d)->des2 \|= (uint32_t)v)
	#define SET_FAS(d, v) \
	((d)->des2 = ((d)->des2 & 0xcfffffff) \| v << 28)
	#define SET_DAS(d, v) \
	((d)->des2 = ((d)->des2 & 0x3fffffff) \| v << 30)
	#define GET_FAS(d) ((d)->des2 & 0x30000000)
	#define GET_DAS(d) ((d)->des2 & 0xc0000000)
	#define GET_LENGTH(d) \
	((d)->des2 & 0x3ffffff)
	__le32 des3; /* des3 */
	/* CMDQ Operation */
	#define FKL_CMDQ BIT(0)
	#define DKL_CMDQ BIT(1)
	#define SET_CMDQ_KEYLEN(d, v) ((d)->des3 \|= (uint32_t)v)
	#define SET_CMDQ_FAS(d, v) \
	((d)->des3 = ((d)->des3 & 0xfffffff3) \| v << 2)
	#define SET_CMDQ_DAS(d, v) \
	((d)->des3 = ((d)->des3 & 0xffffffcf) \| v << 4)
	#define GET_CMDQ_FAS(d) ((d)->des3 & 0x0000000c)
	#define GET_CMDQ_DAS(d) ((d)->des3 & 0x00000030)
	__le32 reserved0; /* des4 */
	__le32 reserved1;
	__le32 reserved2;
	__le32 reserved3;
	__le32 file_iv0; /* des8 */
	__le32 file_iv1;
	__le32 file_iv2;
	__le32 file_iv3;
	__le32 file_enckey0; /* des12 */
	__le32 file_enckey1;
	__le32 file_enckey2;
	__le32 file_enckey3;
	__le32 file_enckey4;
	__le32 file_enckey5;
	__le32 file_enckey6;
	__le32 file_enckey7;
	__le32 file_twkey0; /* des20 */
	__le32 file_twkey1;
	__le32 file_twkey2;
	__le32 file_twkey3;
	__le32 file_twkey4;
	__le32 file_twkey5;
	__le32 file_twkey6;
	__le32 file_twkey7;
	__le32 disk_iv0; /* des28 */
	__le32 disk_iv1;
	__le32 disk_iv2;
	__le32 disk_iv3;
	};
	#elif defined(CONFIG_SCSI_UFS_EXYNOS_FMP)
	struct fmp_table_setting {
	__le32 des0; /* des0 */
	#define GET_CMDQ_LENGTH(d) \
	(((d)->des0 & 0xffff0000) >> 16)
	__le32 des1; /* des1 */
	__le32 des2; /* des2 */
	__le32 des3; /* des3 */
	/* Legacy Operation */
	#define FKL BIT(26)
	#define DKL BIT(27)
	#define SET_KEYLEN(d, v) ((d)->des3 \|= (uint32_t)v)
	#define SET_FAS(d, v) \
	((d)->des3 = ((d)->des3 & 0xcfffffff) \| v << 28)
	#define SET_DAS(d, v) \
	((d)->des3 = ((d)->des3 & 0x3fffffff) \| v << 30)
	#define GET_FAS(d) ((d)->des3 & 0x30000000)
	#define GET_DAS(d) ((d)->des3 & 0xc0000000)
	#define GET_LENGTH(d) \
	((d)->des3 & 0x3ffffff)
	/* CMDQ Operation */
	#define FKL_CMDQ BIT(0)
	#define DKL_CMDQ BIT(1)
	#define SET_CMDQ_KEYLEN(d, v) ((d)->des3 \|= (uint32_t)v)
	#define SET_CMDQ_FAS(d, v) \
	((d)->des3 = ((d)->des3 & 0xfffffff3) \| v << 2)
	#define SET_CMDQ_DAS(d, v) \
	((d)->des3 = ((d)->des3 & 0xffffffcf) \| v << 4)
	#define GET_CMDQ_FAS(d) ((d)->des3 & 0x0000000c)
	#define GET_CMDQ_DAS(d) ((d)->des3 & 0x00000030)
	__le32 file_iv0; /* des4 */
	__le32 file_iv1; /* des5 */
	__le32 file_iv2; /* des6 */
	__le32 file_iv3; /* des7 */
	__le32 file_enckey0; /* des8 */
	__le32 file_enckey1; /* des9 */
	__le32 file_enckey2; /* des10 */
	__le32 file_enckey3; /* des11 */
	__le32 file_enckey4; /* des12 */
	__le32 file_enckey5; /* des13 */
	__le32 file_enckey6; /* des14 */
	__le32 file_enckey7; /* des15 */
	__le32 file_twkey0; /* des16 */
	__le32 file_twkey1; /* des17 */
	__le32 file_twkey2; /* des18 */
	__le32 file_twkey3; /* des19 */
	__le32 file_twkey4; /* des20 */
	__le32 file_twkey5; /* des21 */
	__le32 file_twkey6; /* des22 */
	__le32 file_twkey7; /* des23 */
	__le32 disk_iv0; /* des24 */
	__le32 disk_iv1; /* des25 */
	__le32 disk_iv2; /* des26 */
	__le32 disk_iv3; /* des27 */
	__le32 reserved0; /* des28 */
	__le32 reserved1; /* des29 */
	__le32 reserved2; /* des30 */
	__le32 reserved3; /* des31 */
	};
	#endif

	struct fmp_data_setting {
	struct fmp_crypto_info crypt[EXYNOS_FMP_ENC_MAX];
	struct fmp_table_setting *table;
	bool cmdq_enabled;
	};

	#ifdef CONFIG_EXYNOS_FMP_FIPS
	struct fips_result {
	bool overall;
	bool aes_xts;
	bool aes_cbc;
	bool sha256;
	bool hmac;
	bool integrity;
	};
	#endif

	#define EXYNOS_FMP_ALGO_MODE_MASK (0x3)
	#define EXYNOS_FMP_ALGO_MODE_TEST_OFFSET (0xf)
	#define EXYNOS_FMP_ALGO_MODE_TEST (1 << EXYNOS_FMP_ALGO_MODE_TEST_OFFSET)

	struct fmp_test_data {
	char block_type[FMP_BLOCK_TYPE_NAME_LEN];
	struct block_device *bdev;
	sector_t sector;
	dev_t devt;
	uint32_t test_block_offset;
	/* iv to submitted */
	u8 iv[FMP_IV_SIZE_16];
	/* diskcipher for test */
	struct fmp_crypto_info ci;
	};

	struct exynos_fmp {
	struct device *dev;
	enum fmp_disk_key_status status_disk_key;
	struct fmp_test_data *test_data;
	#ifdef CONFIG_EXYNOS_FMP_FIPS
	atomic_t fips_start;
	struct fips_result result;
	struct miscdevice miscdev;
	void *test_vops;
	int fips_run;
	int fips_fin;
	struct buffer_head *bh;
	#endif
	};

	struct fmp_request {
	void *table;
	void *iv;
	u32 ivsize;
	u32 prdt_cnt;
	unsigned long prdt_off;
	bool cmdq_enabled;
	bool fips;
	};

	#define ACCESS_CONTROL_ABORT 0x14

	#ifndef SMC_CMD_FMP_SECURITY
	/* For FMP/SMU Ctrl */
	#define SMC_CMD_FMP_SECURITY (0xC2001810)
	#define SMC_CMD_FMP_DISK_KEY_STORED (0xC2001820)
	#define SMC_CMD_FMP_DISK_KEY_SET (0xC2001830)
	#define SMC_CMD_FMP_DISK_KEY_CLEAR (0xC2001840)
	#define SMC_CMD_SMU (0xC2001850)
	#define SMC_CMD_FMP_SMU_RESUME (0xC2001860)
	#define SMC_CMD_FMP_SMU_DUMP (0xC2001870)
	#define SMC_CMD_UFS_LOG (0xC2001880)
	#endif

	enum smu_id {
	SMU_EMBEDDED = 0,
	SMU_UFSCARD = 1,
	SMU_SDCARD = 2,
	SMU_ID_MAX,
	};

	enum smu_command {
	SMU_INIT = 0,
	SMU_SET = 1,
	SMU_ABORT = 2,
	};

	/* fmp functions */
	#if defined(CONFIG_MMC_DW_EXYNOS_FMP) \|\| defined(CONFIG_SCSI_UFS_EXYNOS_FMP)
	int exynos_fmp_fips(struct bio *bio);
	int exynos_fmp_bypass(struct fmp_request req, struct bio bio);
	int exynos_fmp_sec_cfg(int fmp_id, int smu_id, bool init);
	int exynos_fmp_smu_abort(int id);
	int exynos_fmp_crypt(struct fmp_crypto_info ci, void priv);
	int exynos_fmp_clear(struct fmp_crypto_info ci, void priv);
	int exynos_fmp_setkey(struct fmp_crypto_info *ci,
	u8 *in_key, u32 keylen, bool persistent);
	int exynos_fmp_clearkey(struct fmp_crypto_info *ci);
	bool exynos_fmp_check_test(struct bio bio, struct fmp_crypto_info fmp_info);
	#else
	#define exynos_fmp_fips(a) ((void *)0)
	#define exynos_fmp_bypass(a, b) ((void *)0)
	#define exynos_fmp_sec_cfg(a, b, c) (0)
	#define exynos_fmp_smu_abort(a) (0)
	#define exynos_fmp_crypt(a, b) (0)
	#define exynos_fmp_clear(a, b) (0)
	#define exynos_fmp_setkey(a, b, c, d) (0)
	#define exynos_fmp_clearkey(a) (0)
	#endif
	void exynos_fmp_init(struct platform_device pdev);
	void exynos_fmp_exit(struct platform_device *pdev);
	#endif /* _EXYNOS_FMP_H_ */