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_AIV_SIZE            12
   8 #define SEC_IV_SIZE             24
   9 #define SEC_MAX_KEY_SIZE        64
  10 #define SEC_MAX_AKEY_SIZE       128
  11 #define SEC_COMM_SCENE          0
  12 #define SEC_MIN_BLOCK_SZ        1
  13
  14 enum sec_calg {
  15         SEC_CALG_3DES = 0x1,
  16         SEC_CALG_AES  = 0x2,
  17         SEC_CALG_SM4  = 0x3,
  18 };
  19
  20 enum sec_hash_alg {
  21         SEC_A_HMAC_SHA1   = 0x10,
  22         SEC_A_HMAC_SHA256 = 0x11,
  23         SEC_A_HMAC_SHA512 = 0x15,
  24 };
  25
  26 enum sec_cmode {
  27         SEC_CMODE_ECB    = 0x0,
  28         SEC_CMODE_CBC    = 0x1,
  29         SEC_CMODE_CTR    = 0x4,
  30         SEC_CMODE_CCM    = 0x5,
  31         SEC_CMODE_GCM    = 0x6,
  32         SEC_CMODE_XTS    = 0x7,
  33 };
  34
  35 enum sec_ckey_type {
  36         SEC_CKEY_128BIT = 0x0,
  37         SEC_CKEY_192BIT = 0x1,
  38         SEC_CKEY_256BIT = 0x2,
  39         SEC_CKEY_3DES_3KEY = 0x1,
  40         SEC_CKEY_3DES_2KEY = 0x3,
  41 };
  42
  43 enum sec_bd_type {
  44         SEC_BD_TYPE1 = 0x1,
  45         SEC_BD_TYPE2 = 0x2,
  46         SEC_BD_TYPE3 = 0x3,
  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 bd_status {
  67         u64 tag;
  68         u8 done;
  69         u8 err_type;
  70         u16 flag;
  71         u16 icv;
  72 };
  73
  74 enum {
  75         AUTHPAD_PAD,
  76         AUTHPAD_NOPAD,
  77 };
  78
  79 enum {
  80         AIGEN_GEN,
  81         AIGEN_NOGEN,
  82 };
  83
  84 struct sec_sqe_type2 {
  85         /*
  86          * mac_len: 0~4 bits
  87          * a_key_len: 5~10 bits
  88          * a_alg: 11~16 bits
  89          */
  90         __le32 mac_key_alg;
  91
  92         /*
  93          * c_icv_len: 0~5 bits
  94          * c_width: 6~8 bits
  95          * c_key_len: 9~11 bits
  96          * c_mode: 12~15 bits
  97          */
  98         __le16 icvw_kmode;
  99
 100         /* c_alg: 0~3 bits */
 101         __u8 c_alg;
 102         __u8 rsvd4;
 103
 104         /*
 105          * a_len: 0~23 bits
 106          * iv_offset_l: 24~31 bits
 107          */
 108         __le32 alen_ivllen;
 109
 110         /*
 111          * c_len: 0~23 bits
 112          * iv_offset_h: 24~31 bits
 113          */
 114         __le32 clen_ivhlen;
 115
 116         __le16 auth_src_offset;
 117         __le16 cipher_src_offset;
 118         __le16 cs_ip_header_offset;
 119         __le16 cs_udp_header_offset;
 120         __le16 pass_word_len;
 121         __le16 dk_len;
 122         __u8 salt3;
 123         __u8 salt2;
 124         __u8 salt1;
 125         __u8 salt0;
 126
 127         __le16 tag;
 128         __le16 rsvd5;
 129
 130         /*
 131          * c_pad_type: 0~3 bits
 132          * c_pad_len: 4~11 bits
 133          * c_pad_data_type: 12~15 bits
 134          */
 135         __le16 cph_pad;
 136
 137         /* c_pad_len_field: 0~1 bits */
 138         __le16 c_pad_len_field;
 139
 140         __le64 long_a_data_len;
 141         __le64 a_ivin_addr;
 142         __le64 a_key_addr;
 143         __le64 mac_addr;
 144         __le64 c_ivin_addr;
 145         __le64 c_key_addr;
 146
 147         __le64 data_src_addr;
 148         __le64 data_dst_addr;
 149
 150         /*
 151          * done: 0 bit
 152          * icv: 1~3 bits
 153          * csc: 4~6 bits
 154          * flag: 7-10 bits
 155          * dif_check: 11~13 bits
 156          */
 157         __le16 done_flag;
 158
 159         __u8 error_type;
 160         __u8 warning_type;
 161         __u8 mac_i3;
 162         __u8 mac_i2;
 163         __u8 mac_i1;
 164         __u8 mac_i0;
 165         __le16 check_sum_i;
 166         __u8 tls_pad_len_i;
 167         __u8 rsvd12;
 168         __le32 counter;
 169 };
 170
 171 struct sec_sqe {
 172         /*
 173          * type:        0~3 bits
 174          * cipher:      4~5 bits
 175          * auth:        6~7 bit s
 176          */
 177         __u8 type_cipher_auth;
 178
 179         /*
 180          * seq: 0 bit
 181          * de:  1~2 bits
 182          * scene:       3~6 bits
 183          * src_addr_type: ~7 bit, with sdm_addr_type 0-1 bits
 184          */
 185         __u8 sds_sa_type;
 186
 187         /*
 188          * src_addr_type: 0~1 bits, not used now,
 189          * if support PRP, set this field, or set zero.
 190          * dst_addr_type: 2~4 bits
 191          * mac_addr_type: 5~7 bits
 192          */
 193         __u8 sdm_addr_type;
 194         __u8 rsvd0;
 195
 196         /*
 197          * nonce_len(type2): 0~3 bits
 198          * huk(type2): 4 bit
 199          * key_s(type2): 5 bit
 200          * ci_gen: 6~7 bits
 201          */
 202         __u8 huk_key_ci;
 203
 204         /*
 205          * ai_gen: 0~1 bits
 206          * a_pad(type2): 2~3 bits
 207          * c_s(type2): 4~5 bits
 208          */
 209         __u8 ai_apd_cs;
 210
 211         /*
 212          * rhf(type2): 0 bit
 213          * c_key_type: 1~2 bits
 214          * a_key_type: 3~4 bits
 215          * write_frame_len(type2): 5~7 bits
 216          */
 217         __u8 rca_key_frm;
 218
 219         /*
 220          * cal_iv_addr_en(type2): 0 bit
 221          * tls_up(type2): 1 bit
 222          * inveld: 7 bit
 223          */
 224         __u8 iv_tls_ld;
 225
 226         /* Just using type2 BD now */
 227         struct sec_sqe_type2 type2;
 228 };
 229
 230 struct bd3_auth_ivin {
 231         __le64 a_ivin_addr;
 232         __le32 rsvd0;
 233         __le32 rsvd1;
 234 } __packed __aligned(4);
 235
 236 struct bd3_skip_data {
 237         __le32 rsvd0;
 238
 239         /*
 240          * gran_num: 0~15 bits
 241          * reserved: 16~31 bits
 242          */
 243         __le32 gran_num;
 244
 245         /*
 246          * src_skip_data_len: 0~24 bits
 247          * reserved: 25~31 bits
 248          */
 249         __le32 src_skip_data_len;
 250
 251         /*
 252          * dst_skip_data_len: 0~24 bits
 253          * reserved: 25~31 bits
 254          */
 255         __le32 dst_skip_data_len;
 256 };
 257
 258 struct bd3_stream_scene {
 259         __le64 c_ivin_addr;
 260         __le64 long_a_data_len;
 261
 262         /*
 263          * auth_pad: 0~1 bits
 264          * stream_protocol: 2~4 bits
 265          * reserved: 5~7 bits
 266          */
 267         __u8 stream_auth_pad;
 268         __u8 plaintext_type;
 269         __le16 pad_len_1p3;
 270 } __packed __aligned(4);
 271
 272 struct bd3_no_scene {
 273         __le64 c_ivin_addr;
 274         __le32 rsvd0;
 275         __le32 rsvd1;
 276         __le32 rsvd2;
 277 } __packed __aligned(4);
 278
 279 struct bd3_check_sum {
 280         __u8 rsvd0;
 281         __u8 hac_sva_status;
 282         __le16 check_sum_i;
 283 };
 284
 285 struct bd3_tls_type_back {
 286         __u8 tls_1p3_type_back;
 287         __u8 hac_sva_status;
 288         __le16 pad_len_1p3_back;
 289 };
 290
 291 struct sec_sqe3 {
 292         /*
 293          * type: 0~3 bit
 294          * bd_invalid: 4 bit
 295          * scene: 5~8 bit
 296          * de: 9~10 bit
 297          * src_addr_type: 11~13 bit
 298          * dst_addr_type: 14~16 bit
 299          * mac_addr_type: 17~19 bit
 300          * reserved: 20~31 bits
 301          */
 302         __le32 bd_param;
 303
 304         /*
 305          * cipher: 0~1 bits
 306          * ci_gen: 2~3 bit
 307          * c_icv_len: 4~9 bit
 308          * c_width: 10~12 bits
 309          * c_key_len: 13~15 bits
 310          */
 311         __le16 c_icv_key;
 312
 313         /*
 314          * c_mode : 0~3 bits
 315          * c_alg : 4~7 bits
 316          */
 317         __u8 c_mode_alg;
 318
 319         /*
 320          * nonce_len : 0~3 bits
 321          * huk : 4 bits
 322          * cal_iv_addr_en : 5 bits
 323          * seq : 6 bits
 324          * reserved : 7 bits
 325          */
 326         __u8 huk_iv_seq;
 327
 328         __le64 tag;
 329         __le64 data_src_addr;
 330         __le64 a_key_addr;
 331         union {
 332                 struct bd3_auth_ivin auth_ivin;
 333                 struct bd3_skip_data skip_data;
 334         };
 335
 336         __le64 c_key_addr;
 337
 338         /*
 339          * auth: 0~1 bits
 340          * ai_gen: 2~3 bits
 341          * mac_len: 4~8 bits
 342          * akey_len: 9~14 bits
 343          * a_alg: 15~20 bits
 344          * key_sel: 21~24 bits
 345          * ctr_count_mode/sm4_xts: 25~26 bits
 346          * sva_prefetch: 27 bits
 347          * key_wrap_num: 28~30 bits
 348          * update_key: 31 bits
 349          */
 350         __le32 auth_mac_key;
 351         __le32 salt;
 352         __le16 auth_src_offset;
 353         __le16 cipher_src_offset;
 354
 355         /*
 356          * auth_len: 0~23 bit
 357          * auth_key_offset: 24~31 bits
 358          */
 359         __le32 a_len_key;
 360
 361         /*
 362          * cipher_len: 0~23 bit
 363          * auth_ivin_offset: 24~31 bits
 364          */
 365         __le32 c_len_ivin;
 366         __le64 data_dst_addr;
 367         __le64 mac_addr;
 368         union {
 369                 struct bd3_stream_scene stream_scene;
 370                 struct bd3_no_scene no_scene;
 371         };
 372
 373         /*
 374          * done: 0 bit
 375          * icv: 1~3 bit
 376          * csc: 4~6 bit
 377          * flag: 7~10 bit
 378          * reserved: 11~15 bit
 379          */
 380         __le16 done_flag;
 381         __u8 error_type;
 382         __u8 warning_type;
 383         union {
 384                 __le32 mac_i;
 385                 __le32 kek_key_addr_l;
 386         };
 387         union {
 388                 __le32 kek_key_addr_h;
 389                 struct bd3_check_sum check_sum;
 390                 struct bd3_tls_type_back tls_type_back;
 391         };
 392         __le32 counter;
 393 } __packed __aligned(4);
 394
 395 int sec_register_to_crypto(struct hisi_qm *qm);
 396 void sec_unregister_from_crypto(struct hisi_qm *qm);
 397 #endif