/* SPDX-License-Identifier: NONE */

#pragma once

#include <linux/device.h>

struct eip123_hw;

typedef u8 eip123_digest[32];

struct eip123_result {
	int error;
	u8 fw_result_src : 5;
	u8 fw_result : 2;
};

struct eip123_sysinfo {
	u32 identity;
	u16 memory_size;
	u16 nvm_anomaly_location : 12;
	u16 nvm_anomaly : 4;
	u8 fw_version_patch;
	u8 fw_version_minor;
	u8 fw_version_major;
	u8 hw_version_patch;
	u8 hw_version_minor;
	u8 hw_version_major;
	u8 host_id;
};

enum eip123_hash_algo {
	EIP123_HASH_ALGO_MD5 = 0,
	EIP123_HASH_ALGO_SHA1 = 1,
	EIP123_HASH_ALGO_SHA224 = 2,
	EIP123_HASH_ALGO_SHA256 = 3,
};

enum eip123_aes_mode {
	EIP123_AES_ECB = 0,
	EIP123_AES_CBC = 1,
	EIP123_AES_CTR = 2,
	EIP123_AES_ICM = 3,
};

enum eip123_aes_keylen {
	EIP123_AES_128 = 1,
	EIP123_AES_192 = 2,
	EIP123_AES_256 = 3,
};

struct eip123_asset {
	u32 id;
	u16 len;
};

#define POLICY_CRYPTO_KEY_AES (1 << 0)
#define POLICY_CRYPTO_KEY_CAMELLIA (1 << 1)
#define POLICY_CRYPTO_KEY_3DES (1 << 2)
#define POLICY_CRYPTO_KEY_MULTI2 (1 << 3)
#define POLICY_CRYPTO_KEY_C2 (1 << 4)
#define POLICY_CRYPTO_KEY_HMAC_SHA1_KEY (1 << 5)
#define POLICY_CRYPTO_KEY_HMAC_SHA224_KEY (1 << 6)
#define POLICY_CRYPTO_KEY_HMAC_SHA256_KEY (1 << 7)
#define POLICY_CRYPTO_OP_ENCRYPT (1 << 12)
#define POLICY_CRYPTO_OP_DECRYPT (1 << 13)
#define POLICY_CRYPTO_OP_MAC (1 << 14)
#define POLICY_C2_KEY_OBJECT (1 << 19)
#define POLICY_SECURE_OP_KDK (1 << 21)
#define POLICY_SECURE_OP_KEK_WRAP (1 << 22)
#define POLICY_SECURE_OP_KEK_UNWRAP (1 << 23)
#define POLICY_TRUSTED_DERIVE (1 << 24)

struct eip123_hw *eip123_hw_init(struct device *dev, void __iomem *reg_base);
void eip123_hw_exit(struct eip123_hw *eip);
struct eip123_result eip123_hw_dma_copy(struct eip123_hw *eip, u8 *dst, u8 *src,
					u32 len);
struct eip123_result eip123_hw_hash(struct eip123_hw *eip, u8 *msg, u32 len,
				    eip123_digest *dst,
				    enum eip123_hash_algo algo);
struct eip123_result eip123_hw_rng(struct eip123_hw *eip, u8 *dst, u16 len);
struct eip123_result eip123_hw_sysinfo(struct eip123_hw *eip,
				       struct eip123_sysinfo *out);
struct eip123_result eip123_hw_asset_search(struct eip123_hw *eip, u8 idx,
					    struct eip123_asset *asset);
struct eip123_result eip123_hw_asset_create(struct eip123_hw *eip, u32 policy,
					    struct eip123_asset *asset);
struct eip123_result eip123_hw_asset_delete(struct eip123_hw *eip,
					    const struct eip123_asset *asset);
struct eip123_result eip123_hw_asset_derive(struct eip123_hw *eip,
					    const struct eip123_asset *load,
					    const struct eip123_asset *key,
					    const u8 *assoc, u16 assoc_len);
struct eip123_result eip123_hw_read_pubdata(struct eip123_hw *eip,
					    const struct eip123_asset *asset,
					    u8 *dst);
struct eip123_result
eip123_hw_crypt_aes(struct eip123_hw *eip, enum eip123_aes_mode mode,
		    const struct eip123_asset *key, const u8 *key_inline,
		    enum eip123_aes_keylen keylen, u8 *src, u8 *dst, u32 len,
		    bool encrypt, const u8 *iv);