drivers/crypto/hisilicon/sec2/sec_crypto.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 /* Copyright (c) 2019 HiSilicon Limited. */
   3
   4 #ifndef __HISI_SEC_V2_CRYPTO_H
   5 #define __HISI_SEC_V2_CRYPTO_H
   6
   7 #define SEC_IV_SIZE             24
   8 #define SEC_MAX_KEY_SIZE        64
   9 #define SEC_COMM_SCENE          0
  10
  11 enum sec_calg {
  12         SEC_CALG_3DES = 0x1,
  13         SEC_CALG_AES  = 0x2,
  14         SEC_CALG_SM4  = 0x3,
  15 };
  16
  17 enum sec_hash_alg {
  18         SEC_A_HMAC_SHA1   = 0x10,
  19         SEC_A_HMAC_SHA256 = 0x11,
  20         SEC_A_HMAC_SHA512 = 0x15,
  21 };
  22
  23 enum sec_mac_len {
  24         SEC_HMAC_SHA1_MAC   = 20,
  25         SEC_HMAC_SHA256_MAC = 32,
  26         SEC_HMAC_SHA512_MAC = 64,
  27 };
  28
  29 enum sec_cmode {
  30         SEC_CMODE_ECB    = 0x0,
  31         SEC_CMODE_CBC    = 0x1,
  32         SEC_CMODE_CTR    = 0x4,
  33         SEC_CMODE_XTS    = 0x7,
  34 };
  35
  36 enum sec_ckey_type {
  37         SEC_CKEY_128BIT = 0x0,
  38         SEC_CKEY_192BIT = 0x1,
  39         SEC_CKEY_256BIT = 0x2,
  40         SEC_CKEY_3DES_3KEY = 0x1,
  41         SEC_CKEY_3DES_2KEY = 0x3,
  42 };
  43
  44 enum sec_bd_type {
  45         SEC_BD_TYPE1 = 0x1,
  46         SEC_BD_TYPE2 = 0x2,
  47 };
  48
  49 enum sec_auth {
  50         SEC_NO_AUTH = 0x0,
  51         SEC_AUTH_TYPE1 = 0x1,
  52         SEC_AUTH_TYPE2 = 0x2,
  53 };
  54
  55 enum sec_cipher_dir {
  56         SEC_CIPHER_ENC = 0x1,
  57         SEC_CIPHER_DEC = 0x2,
  58 };
  59
  60 enum sec_addr_type {
  61         SEC_PBUF = 0x0,
  62         SEC_SGL  = 0x1,
  63         SEC_PRP  = 0x2,
  64 };
  65
  66 struct sec_sqe_type2 {
  67
  68         /*
  69          * mac_len: 0~4 bits
  70          * a_key_len: 5~10 bits
  71          * a_alg: 11~16 bits
  72          */
  73         __le32 mac_key_alg;
  74
  75         /*
  76          * c_icv_len: 0~5 bits
  77          * c_width: 6~8 bits
  78          * c_key_len: 9~11 bits
  79          * c_mode: 12~15 bits
  80          */
  81         __le16 icvw_kmode;
  82
  83         /* c_alg: 0~3 bits */
  84         __u8 c_alg;
  85         __u8 rsvd4;
  86
  87         /*
  88          * a_len: 0~23 bits
  89          * iv_offset_l: 24~31 bits
  90          */
  91         __le32 alen_ivllen;
  92
  93         /*
  94          * c_len: 0~23 bits
  95          * iv_offset_h: 24~31 bits
  96          */
  97         __le32 clen_ivhlen;
  98
  99         __le16 auth_src_offset;
 100         __le16 cipher_src_offset;
 101         __le16 cs_ip_header_offset;
 102         __le16 cs_udp_header_offset;
 103         __le16 pass_word_len;
 104         __le16 dk_len;
 105         __u8 salt3;
 106         __u8 salt2;
 107         __u8 salt1;
 108         __u8 salt0;
 109
 110         __le16 tag;
 111         __le16 rsvd5;
 112
 113         /*
 114          * c_pad_type: 0~3 bits
 115          * c_pad_len: 4~11 bits
 116          * c_pad_data_type: 12~15 bits
 117          */
 118         __le16 cph_pad;
 119
 120         /* c_pad_len_field: 0~1 bits */
 121         __le16 c_pad_len_field;
 122
 123
 124         __le64 long_a_data_len;
 125         __le64 a_ivin_addr;
 126         __le64 a_key_addr;
 127         __le64 mac_addr;
 128         __le64 c_ivin_addr;
 129         __le64 c_key_addr;
 130
 131         __le64 data_src_addr;
 132         __le64 data_dst_addr;
 133
 134         /*
 135          * done: 0 bit
 136          * icv: 1~3 bits
 137          * csc: 4~6 bits
 138          * flag: 7-10 bits
 139          * dif_check: 11~13 bits
 140          */
 141         __le16 done_flag;
 142
 143         __u8 error_type;
 144         __u8 warning_type;
 145         __u8 mac_i3;
 146         __u8 mac_i2;
 147         __u8 mac_i1;
 148         __u8 mac_i0;
 149         __le16 check_sum_i;
 150         __u8 tls_pad_len_i;
 151         __u8 rsvd12;
 152         __le32 counter;
 153 };
 154
 155 struct sec_sqe {
 156         /*
 157          * type:        0~3 bits
 158          * cipher:      4~5 bits
 159          * auth:        6~7 bit s
 160          */
 161         __u8 type_cipher_auth;
 162
 163         /*
 164          * seq: 0 bit
 165          * de:  1~2 bits
 166          * scene:       3~6 bits
 167          * src_addr_type: ~7 bit, with sdm_addr_type 0-1 bits
 168          */
 169         __u8 sds_sa_type;
 170
 171         /*
 172          * src_addr_type: 0~1 bits, not used now,
 173          * if support PRP, set this field, or set zero.
 174          * dst_addr_type: 2~4 bits
 175          * mac_addr_type: 5~7 bits
 176          */
 177         __u8 sdm_addr_type;
 178         __u8 rsvd0;
 179
 180         /*
 181          * nonce_len(type2): 0~3 bits
 182          * huk(type2): 4 bit
 183          * key_s(type2): 5 bit
 184          * ci_gen: 6~7 bits
 185          */
 186         __u8 huk_key_ci;
 187
 188         /*
 189          * ai_gen: 0~1 bits
 190          * a_pad(type2): 2~3 bits
 191          * c_s(type2): 4~5 bits
 192          */
 193         __u8 ai_apd_cs;
 194
 195         /*
 196          * rhf(type2): 0 bit
 197          * c_key_type: 1~2 bits
 198          * a_key_type: 3~4 bits
 199          * write_frame_len(type2): 5~7 bits
 200          */
 201         __u8 rca_key_frm;
 202
 203         /*
 204          * cal_iv_addr_en(type2): 0 bit
 205          * tls_up(type2): 1 bit
 206          * inveld: 7 bit
 207          */
 208         __u8 iv_tls_ld;
 209
 210         /* Just using type2 BD now */
 211         struct sec_sqe_type2 type2;
 212 };
 213
 214 int sec_register_to_crypto(void);
 215 void sec_unregister_from_crypto(void);
 216 #endif