1 /* SPDX-License-Identifier: BSD-3-Clause 2 * Copyright(c) 2018 Cavium, Inc 3 */ 4 5 #ifndef _CPT_MCODE_DEFINES_H_ 6 #define _CPT_MCODE_DEFINES_H_ 7 8 #include <rte_byteorder.h> 9 #include <rte_crypto_asym.h> 10 #include <rte_memory.h> 11 12 /* 13 * This file defines macros and structures according to microcode spec 14 * 15 */ 16 /* SE opcodes */ 17 #define CPT_MAJOR_OP_FC 0x33 18 #define CPT_MAJOR_OP_HASH 0x34 19 #define CPT_MAJOR_OP_HMAC 0x35 20 #define CPT_MAJOR_OP_ZUC_SNOW3G 0x37 21 #define CPT_MAJOR_OP_KASUMI 0x38 22 #define CPT_MAJOR_OP_MISC 0x01 23 24 /* AE opcodes */ 25 #define CPT_MAJOR_OP_MODEX 0x03 26 #define CPT_MAJOR_OP_ECDSA 0x04 27 #define CPT_MAJOR_OP_ECC 0x05 28 #define CPT_MINOR_OP_MODEX 0x01 29 #define CPT_MINOR_OP_PKCS_ENC 0x02 30 #define CPT_MINOR_OP_PKCS_ENC_CRT 0x03 31 #define CPT_MINOR_OP_PKCS_DEC 0x04 32 #define CPT_MINOR_OP_PKCS_DEC_CRT 0x05 33 #define CPT_MINOR_OP_MODEX_CRT 0x06 34 #define CPT_MINOR_OP_ECDSA_SIGN 0x01 35 #define CPT_MINOR_OP_ECDSA_VERIFY 0x02 36 #define CPT_MINOR_OP_ECC_UMP 0x03 37 38 #define CPT_BLOCK_TYPE1 0 39 #define CPT_BLOCK_TYPE2 1 40 41 #define CPT_MAX_SG_IN_OUT_CNT 32 42 #define CPT_MAX_SG_CNT (CPT_MAX_SG_IN_OUT_CNT/2) 43 44 #define COMPLETION_CODE_SIZE 8 45 #define COMPLETION_CODE_INIT 0 46 47 #define SG_LIST_HDR_SIZE (8u) 48 #define SG_ENTRY_SIZE sizeof(sg_comp_t) 49 50 #define CPT_DMA_MODE (1 << 7) 51 52 #define CPT_FROM_CTX 0 53 #define CPT_FROM_DPTR 1 54 55 #define FC_GEN 0x1 56 #define ZUC_SNOW3G 0x2 57 #define KASUMI 0x3 58 #define HASH_HMAC 0x4 59 60 #define ZS_EA 0x1 61 #define ZS_IA 0x2 62 #define K_F8 0x4 63 #define K_F9 0x8 64 65 #define CPT_OP_CIPHER_ENCRYPT 0x1 66 #define CPT_OP_CIPHER_DECRYPT 0x2 67 #define CPT_OP_CIPHER_MASK 0x3 68 69 #define CPT_OP_AUTH_VERIFY 0x4 70 #define CPT_OP_AUTH_GENERATE 0x8 71 #define CPT_OP_AUTH_MASK 0xC 72 73 #define CPT_OP_ENCODE (CPT_OP_CIPHER_ENCRYPT | CPT_OP_AUTH_GENERATE) 74 #define CPT_OP_DECODE (CPT_OP_CIPHER_DECRYPT | CPT_OP_AUTH_VERIFY) 75 76 /* #define CPT_ALWAYS_USE_SG_MODE */ 77 #define CPT_ALWAYS_USE_SEPARATE_BUF 78 79 /* 80 * Parameters for Flexi Crypto 81 * requests 82 */ 83 #define VALID_AAD_BUF 0x01 84 #define VALID_MAC_BUF 0x02 85 #define VALID_IV_BUF 0x04 86 #define SINGLE_BUF_INPLACE 0x08 87 #define SINGLE_BUF_HEADTAILROOM 0x10 88 89 #define ENCR_IV_OFFSET(__d_offs) ((__d_offs >> 32) & 0xffff) 90 #define ENCR_OFFSET(__d_offs) ((__d_offs >> 16) & 0xffff) 91 #define AUTH_OFFSET(__d_offs) (__d_offs & 0xffff) 92 #define ENCR_DLEN(__d_lens) (__d_lens >> 32) 93 #define AUTH_DLEN(__d_lens) (__d_lens & 0xffffffff) 94 95 /* FC offset_control at start of DPTR in bytes */ 96 #define OFF_CTRL_LEN 8 /**< bytes */ 97 98 typedef enum { 99 MD5_TYPE = 1, 100 SHA1_TYPE = 2, 101 SHA2_SHA224 = 3, 102 SHA2_SHA256 = 4, 103 SHA2_SHA384 = 5, 104 SHA2_SHA512 = 6, 105 GMAC_TYPE = 7, 106 POLY1305 = 8, 107 SHA3_SHA224 = 10, 108 SHA3_SHA256 = 11, 109 SHA3_SHA384 = 12, 110 SHA3_SHA512 = 13, 111 SHA3_SHAKE256 = 14, 112 SHA3_SHAKE512 = 15, 113 114 /* These are only for software use */ 115 ZUC_EIA3 = 0x90, 116 SNOW3G_UIA2 = 0x91, 117 KASUMI_F9_CBC = 0x92, 118 KASUMI_F9_ECB = 0x93, 119 } mc_hash_type_t; 120 121 typedef enum { 122 /* To support passthrough */ 123 PASSTHROUGH = 0x0, 124 /* 125 * These are defined by MC for Flexi crypto 126 * for field of 4 bits 127 */ 128 DES3_CBC = 0x1, 129 DES3_ECB = 0x2, 130 AES_CBC = 0x3, 131 AES_ECB = 0x4, 132 AES_CFB = 0x5, 133 AES_CTR = 0x6, 134 AES_GCM = 0x7, 135 AES_XTS = 0x8, 136 CHACHA20 = 0x9, 137 138 /* These are only for software use */ 139 ZUC_EEA3 = 0x90, 140 SNOW3G_UEA2 = 0x91, 141 KASUMI_F8_CBC = 0x92, 142 KASUMI_F8_ECB = 0x93, 143 } mc_cipher_type_t; 144 145 typedef enum { 146 AES_128_BIT = 0x1, 147 AES_192_BIT = 0x2, 148 AES_256_BIT = 0x3 149 } mc_aes_type_t; 150 151 typedef enum { 152 /* Microcode errors */ 153 NO_ERR = 0x00, 154 ERR_OPCODE_UNSUPPORTED = 0x01, 155 156 /* SCATTER GATHER */ 157 ERR_SCATTER_GATHER_WRITE_LENGTH = 0x02, 158 ERR_SCATTER_GATHER_LIST = 0x03, 159 ERR_SCATTER_GATHER_NOT_SUPPORTED = 0x04, 160 161 /* SE GC */ 162 ERR_GC_LENGTH_INVALID = 0x41, 163 ERR_GC_RANDOM_LEN_INVALID = 0x42, 164 ERR_GC_DATA_LEN_INVALID = 0x43, 165 ERR_GC_DRBG_TYPE_INVALID = 0x44, 166 ERR_GC_CTX_LEN_INVALID = 0x45, 167 ERR_GC_CIPHER_UNSUPPORTED = 0x46, 168 ERR_GC_AUTH_UNSUPPORTED = 0x47, 169 ERR_GC_OFFSET_INVALID = 0x48, 170 ERR_GC_HASH_MODE_UNSUPPORTED = 0x49, 171 ERR_GC_DRBG_ENTROPY_LEN_INVALID = 0x4a, 172 ERR_GC_DRBG_ADDNL_LEN_INVALID = 0x4b, 173 ERR_GC_ICV_MISCOMPARE = 0x4c, 174 ERR_GC_DATA_UNALIGNED = 0x4d, 175 176 /* API Layer */ 177 ERR_BAD_ALT_CCODE = 0xfd, 178 ERR_REQ_PENDING = 0xfe, 179 ERR_REQ_TIMEOUT = 0xff, 180 181 ERR_BAD_INPUT_LENGTH = (0x40000000 | 384), /* 0x40000180 */ 182 ERR_BAD_KEY_LENGTH, 183 ERR_BAD_KEY_HANDLE, 184 ERR_BAD_CONTEXT_HANDLE, 185 ERR_BAD_SCALAR_LENGTH, 186 ERR_BAD_DIGEST_LENGTH, 187 ERR_BAD_INPUT_ARG, 188 ERR_BAD_RECORD_PADDING, 189 ERR_NB_REQUEST_PENDING, 190 ERR_EIO, 191 ERR_ENODEV, 192 } mc_error_code_t; 193 194 /** 195 * Enumeration cpt_comp_e 196 * 197 * CPT Completion Enumeration 198 * Enumerates the values of CPT_RES_S[COMPCODE]. 199 */ 200 typedef enum { 201 CPT_8X_COMP_E_NOTDONE = (0x00), 202 CPT_8X_COMP_E_GOOD = (0x01), 203 CPT_8X_COMP_E_FAULT = (0x02), 204 CPT_8X_COMP_E_SWERR = (0x03), 205 CPT_8X_COMP_E_HWERR = (0x04), 206 CPT_8X_COMP_E_LAST_ENTRY = (0xFF) 207 } cpt_comp_e_t; 208 209 /** 210 * Enumeration cpt_ec_id 211 * 212 * Enumerates supported elliptic curves 213 */ 214 typedef enum { 215 CPT_EC_ID_P192 = 0, 216 CPT_EC_ID_P224 = 1, 217 CPT_EC_ID_P256 = 2, 218 CPT_EC_ID_P384 = 3, 219 CPT_EC_ID_P521 = 4, 220 CPT_EC_ID_PMAX = 5 221 } cpt_ec_id_t; 222 223 typedef struct sglist_comp { 224 union { 225 uint64_t len; 226 struct { 227 uint16_t len[4]; 228 } s; 229 } u; 230 uint64_t ptr[4]; 231 } sg_comp_t; 232 233 struct cpt_sess_misc { 234 /** CPT opcode */ 235 uint16_t cpt_op:4; 236 /** ZUC, SNOW3G & KASUMI flags */ 237 uint16_t zsk_flag:4; 238 /** Flag for AES GCM */ 239 uint16_t aes_gcm:1; 240 /** Flag for AES CTR */ 241 uint16_t aes_ctr:1; 242 /** Flag for CHACHA POLY */ 243 uint16_t chacha_poly:1; 244 /** Flag for NULL cipher/auth */ 245 uint16_t is_null:1; 246 /** Flag for GMAC */ 247 uint16_t is_gmac:1; 248 /** Unused field */ 249 uint16_t rsvd1:3; 250 /** AAD length */ 251 uint16_t aad_length; 252 /** MAC len in bytes */ 253 uint8_t mac_len; 254 /** IV length in bytes */ 255 uint8_t iv_length; 256 /** Auth IV length in bytes */ 257 uint8_t auth_iv_length; 258 /** Unused field */ 259 uint8_t rsvd2; 260 /** IV offset in bytes */ 261 uint16_t iv_offset; 262 /** Auth IV offset in bytes */ 263 uint16_t auth_iv_offset; 264 /** Salt */ 265 uint32_t salt; 266 /** CPT inst word 7 */ 267 uint64_t cpt_inst_w7; 268 /** Context DMA address */ 269 phys_addr_t ctx_dma_addr; 270 }; 271 272 typedef struct { 273 uint64_t iv_source : 1; 274 uint64_t aes_key : 2; 275 uint64_t rsvd_60 : 1; 276 uint64_t enc_cipher : 4; 277 uint64_t auth_input_type : 1; 278 uint64_t rsvd_52_54 : 3; 279 uint64_t hash_type : 4; 280 uint64_t mac_len : 8; 281 uint64_t rsvd_39_0 : 40; 282 uint8_t encr_key[32]; 283 uint8_t encr_iv[16]; 284 } mc_enc_context_t; 285 286 typedef struct { 287 uint8_t ipad[64]; 288 uint8_t opad[64]; 289 } mc_fc_hmac_context_t; 290 291 typedef struct { 292 mc_enc_context_t enc; 293 mc_fc_hmac_context_t hmac; 294 } mc_fc_context_t; 295 296 typedef struct { 297 uint8_t encr_auth_iv[16]; 298 uint8_t ci_key[16]; 299 uint8_t zuc_const[32]; 300 } mc_zuc_snow3g_ctx_t; 301 302 typedef struct { 303 uint8_t reg_A[8]; 304 uint8_t ci_key[16]; 305 } mc_kasumi_ctx_t; 306 307 struct cpt_ctx { 308 /* Below fields are accessed by sw */ 309 uint64_t enc_cipher :8; 310 uint64_t hash_type :8; 311 uint64_t mac_len :8; 312 uint64_t auth_key_len :8; 313 uint64_t fc_type :4; 314 uint64_t hmac :1; 315 uint64_t zsk_flags :3; 316 uint64_t k_ecb :1; 317 uint64_t snow3g :2; 318 uint64_t rsvd :21; 319 /* Below fields are accessed by hardware */ 320 union { 321 mc_fc_context_t fctx; 322 mc_zuc_snow3g_ctx_t zs_ctx; 323 mc_kasumi_ctx_t k_ctx; 324 } mc_ctx; 325 uint8_t auth_key[1024]; 326 }; 327 328 /* Prime and order fields of built-in elliptic curves */ 329 struct cpt_ec_group { 330 struct { 331 /* P521 maximum length */ 332 uint8_t data[66]; 333 unsigned int length; 334 } prime; 335 336 struct { 337 /* P521 maximum length */ 338 uint8_t data[66]; 339 unsigned int length; 340 } order; 341 }; 342 343 struct cpt_asym_ec_ctx { 344 /* Prime length defined by microcode for EC operations */ 345 uint8_t curveid; 346 }; 347 348 struct cpt_asym_sess_misc { 349 enum rte_crypto_asym_xform_type xfrm_type; 350 union { 351 struct rte_crypto_rsa_xform rsa_ctx; 352 struct rte_crypto_modex_xform mod_ctx; 353 struct cpt_asym_ec_ctx ec_ctx; 354 }; 355 uint64_t cpt_inst_w7; 356 }; 357 358 /* Buffer pointer */ 359 typedef struct buf_ptr { 360 void *vaddr; 361 phys_addr_t dma_addr; 362 uint32_t size; 363 uint32_t resv; 364 } buf_ptr_t; 365 366 /* IOV Pointer */ 367 typedef struct{ 368 int buf_cnt; 369 buf_ptr_t bufs[0]; 370 } iov_ptr_t; 371 372 typedef struct fc_params { 373 /* 0th cache line */ 374 union { 375 buf_ptr_t bufs[1]; 376 struct { 377 iov_ptr_t *src_iov; 378 iov_ptr_t *dst_iov; 379 }; 380 }; 381 void *iv_buf; 382 void *auth_iv_buf; 383 buf_ptr_t meta_buf; 384 buf_ptr_t ctx_buf; 385 uint64_t rsvd2; 386 387 /* 1st cache line */ 388 buf_ptr_t aad_buf; 389 buf_ptr_t mac_buf; 390 391 } fc_params_t; 392 393 /* 394 * Parameters for asymmetric operations 395 */ 396 struct asym_op_params { 397 struct cpt_request_info *req; 398 phys_addr_t meta_buf; 399 }; 400 401 /* 402 * Parameters for digest 403 * generate requests 404 * Only src_iov, op, ctx_buf, mac_buf, prep_req 405 * meta_buf, auth_data_len are used for digest gen. 406 */ 407 typedef struct fc_params digest_params_t; 408 409 /* Cipher Algorithms */ 410 typedef mc_cipher_type_t cipher_type_t; 411 412 /* Auth Algorithms */ 413 typedef mc_hash_type_t auth_type_t; 414 415 /* Helper macros */ 416 417 #define SRC_IOV_SIZE \ 418 (sizeof(iov_ptr_t) + (sizeof(buf_ptr_t) * CPT_MAX_SG_CNT)) 419 #define DST_IOV_SIZE \ 420 (sizeof(iov_ptr_t) + (sizeof(buf_ptr_t) * CPT_MAX_SG_CNT)) 421 422 #define SESS_PRIV(__sess) \ 423 (void *)((uint8_t *)__sess + sizeof(struct cpt_sess_misc)) 424 425 #define GET_SESS_FC_TYPE(__sess) \ 426 (((struct cpt_ctx *)(SESS_PRIV(__sess)))->fc_type) 427 428 /* 429 * Get the session size 430 * 431 * @return 432 * - session size 433 */ 434 static __rte_always_inline unsigned int 435 cpt_get_session_size(void) 436 { 437 unsigned int ctx_len = sizeof(struct cpt_ctx); 438 return (sizeof(struct cpt_sess_misc) + RTE_ALIGN_CEIL(ctx_len, 8)); 439 } 440 #endif /* _CPT_MCODE_DEFINES_H_ */ 441