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/* SPDX-License-Identifier: GPL-2.0 */
/* Copyright (c) 2019 HiSilicon Limited. */
#ifndef __HISI_SEC_V2_CRYPTO_H
#define __HISI_SEC_V2_CRYPTO_H
#define SEC_IV_SIZE 24
#define SEC_MAX_KEY_SIZE 64
#define SEC_COMM_SCENE 0
enum sec_calg {
SEC_CALG_3DES = 0x1,
SEC_CALG_AES = 0x2,
SEC_CALG_SM4 = 0x3,
};
enum sec_cmode {
SEC_CMODE_ECB = 0x0,
SEC_CMODE_CBC = 0x1,
SEC_CMODE_CTR = 0x4,
SEC_CMODE_XTS = 0x7,
};
enum sec_ckey_type {
SEC_CKEY_128BIT = 0x0,
SEC_CKEY_192BIT = 0x1,
SEC_CKEY_256BIT = 0x2,
SEC_CKEY_3DES_3KEY = 0x1,
SEC_CKEY_3DES_2KEY = 0x3,
};
enum sec_bd_type {
SEC_BD_TYPE1 = 0x1,
SEC_BD_TYPE2 = 0x2,
};
enum sec_cipher_dir {
SEC_CIPHER_ENC = 0x1,
SEC_CIPHER_DEC = 0x2,
};
enum sec_addr_type {
SEC_PBUF = 0x0,
SEC_SGL = 0x1,
SEC_PRP = 0x2,
};
struct sec_sqe_type2 {
/*
* mac_len: 0~5 bits
* a_key_len: 6~10 bits
* a_alg: 11~16 bits
*/
__le32 mac_key_alg;
/*
* c_icv_len: 0~5 bits
* c_width: 6~8 bits
* c_key_len: 9~11 bits
* c_mode: 12~15 bits
*/
__le16 icvw_kmode;
/* c_alg: 0~3 bits */
__u8 c_alg;
__u8 rsvd4;
/*
* a_len: 0~23 bits
* iv_offset_l: 24~31 bits
*/
__le32 alen_ivllen;
/*
* c_len: 0~23 bits
* iv_offset_h: 24~31 bits
*/
__le32 clen_ivhlen;
__le16 auth_src_offset;
__le16 cipher_src_offset;
__le16 cs_ip_header_offset;
__le16 cs_udp_header_offset;
__le16 pass_word_len;
__le16 dk_len;
__u8 salt3;
__u8 salt2;
__u8 salt1;
__u8 salt0;
__le16 tag;
__le16 rsvd5;
/*
* c_pad_type: 0~3 bits
* c_pad_len: 4~11 bits
* c_pad_data_type: 12~15 bits
*/
__le16 cph_pad;
/* c_pad_len_field: 0~1 bits */
__le16 c_pad_len_field;
__le64 long_a_data_len;
__le64 a_ivin_addr;
__le64 a_key_addr;
__le64 mac_addr;
__le64 c_ivin_addr;
__le64 c_key_addr;
__le64 data_src_addr;
__le64 data_dst_addr;
/*
* done: 0 bit
* icv: 1~3 bits
* csc: 4~6 bits
* flag: 7-10 bits
* dif_check: 11~13 bits
*/
__le16 done_flag;
__u8 error_type;
__u8 warning_type;
__u8 mac_i3;
__u8 mac_i2;
__u8 mac_i1;
__u8 mac_i0;
__le16 check_sum_i;
__u8 tls_pad_len_i;
__u8 rsvd12;
__le32 counter;
};
struct sec_sqe {
/*
* type: 0~3 bits
* cipher: 4~5 bits
* auth: 6~7 bit s
*/
__u8 type_cipher_auth;
/*
* seq: 0 bit
* de: 1~2 bits
* scene: 3~6 bits
* src_addr_type: ~7 bit, with sdm_addr_type 0-1 bits
*/
__u8 sds_sa_type;
/*
* src_addr_type: 0~1 bits, not used now,
* if support PRP, set this field, or set zero.
* dst_addr_type: 2~4 bits
* mac_addr_type: 5~7 bits
*/
__u8 sdm_addr_type;
__u8 rsvd0;
/*
* nonce_len(type2): 0~3 bits
* huk(type2): 4 bit
* key_s(type2): 5 bit
* ci_gen: 6~7 bits
*/
__u8 huk_key_ci;
/*
* ai_gen: 0~1 bits
* a_pad(type2): 2~3 bits
* c_s(type2): 4~5 bits
*/
__u8 ai_apd_cs;
/*
* rhf(type2): 0 bit
* c_key_type: 1~2 bits
* a_key_type: 3~4 bits
* write_frame_len(type2): 5~7 bits
*/
__u8 rca_key_frm;
/*
* cal_iv_addr_en(type2): 0 bit
* tls_up(type2): 1 bit
* inveld: 7 bit
*/
__u8 iv_tls_ld;
/* Just using type2 BD now */
struct sec_sqe_type2 type2;
};
int sec_register_to_crypto(void);
void sec_unregister_from_crypto(void);
#endif
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