drivers/crypto/qat/qat_crypto.c

   1 /*-
   2  *   BSD LICENSE
   3  *
   4  *   Copyright(c) 2015-2016 Intel Corporation. All rights reserved.
   5  *   All rights reserved.
   6  *
   7  *   Redistribution and use in source and binary forms, with or without
   8  *   modification, are permitted provided that the following conditions
   9  *   are met:
  10  *
  11  *       * Redistributions of source code must retain the above copyright
  12  *         notice, this list of conditions and the following disclaimer.
  13  *       * Redistributions in binary form must reproduce the above copyright
  14  *         notice, this list of conditions and the following disclaimer in
  15  *         the documentation and/or other materials provided with the
  16  *         distribution.
  17  *       * Neither the name of Intel Corporation nor the names of its
  18  *         contributors may be used to endorse or promote products derived
  19  *         from this software without specific prior written permission.
  20  *
  21  *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  22  *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  23  *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  24  *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  25  *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  26  *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  27  *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  28  *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  29  *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  30  *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  31  *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  32  */
  33
  34 #include <stdio.h>
  35 #include <stdlib.h>
  36 #include <strings.h>
  37 #include <string.h>
  38 #include <inttypes.h>
  39 #include <errno.h>
  40 #include <sys/queue.h>
  41 #include <stdarg.h>
  42
  43 #include <rte_common.h>
  44 #include <rte_log.h>
  45 #include <rte_debug.h>
  46 #include <rte_memory.h>
  47 #include <rte_memzone.h>
  48 #include <rte_tailq.h>
  49 #include <rte_ether.h>
  50 #include <rte_malloc.h>
  51 #include <rte_launch.h>
  52 #include <rte_eal.h>
  53 #include <rte_per_lcore.h>
  54 #include <rte_lcore.h>
  55 #include <rte_atomic.h>
  56 #include <rte_branch_prediction.h>
  57 #include <rte_mempool.h>
  58 #include <rte_mbuf.h>
  59 #include <rte_string_fns.h>
  60 #include <rte_spinlock.h>
  61 #include <rte_hexdump.h>
  62
  63 #include "qat_logs.h"
  64 #include "qat_algs.h"
  65 #include "qat_crypto.h"
  66 #include "adf_transport_access_macros.h"
  67
  68 #define BYTE_LENGTH    8
  69
  70 static const struct rte_cryptodev_capabilities qat_pmd_capabilities[] = {
  71         {       /* SHA1 HMAC */
  72                 .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
  73                 {.sym = {
  74                         .xform_type = RTE_CRYPTO_SYM_XFORM_AUTH,
  75                         {.auth = {
  76                                 .algo = RTE_CRYPTO_AUTH_SHA1_HMAC,
  77                                 .block_size = 64,
  78                                 .key_size = {
  79                                         .min = 1,
  80                                         .max = 64,
  81                                         .increment = 1
  82                                 },
  83                                 .digest_size = {
  84                                         .min = 20,
  85                                         .max = 20,
  86                                         .increment = 0
  87                                 },
  88                                 .aad_size = { 0 }
  89                         }, }
  90                 }, }
  91         },
  92         {       /* SHA224 HMAC */
  93                 .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
  94                 {.sym = {
  95                         .xform_type = RTE_CRYPTO_SYM_XFORM_AUTH,
  96                         {.auth = {
  97                                 .algo = RTE_CRYPTO_AUTH_SHA224_HMAC,
  98                                 .block_size = 64,
  99                                         .key_size = {
 100                                         .min = 1,
 101                                         .max = 64,
 102                                         .increment = 1
 103                                 },
 104                                 .digest_size = {
 105                                         .min = 28,
 106                                         .max = 28,
 107                                         .increment = 0
 108                                 },
 109                                 .aad_size = { 0 }
 110                         }, }
 111                 }, }
 112         },
 113         {       /* SHA256 HMAC */
 114                 .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
 115                 {.sym = {
 116                         .xform_type = RTE_CRYPTO_SYM_XFORM_AUTH,
 117                         {.auth = {
 118                                 .algo = RTE_CRYPTO_AUTH_SHA256_HMAC,
 119                                 .block_size = 64,
 120                                 .key_size = {
 121                                         .min = 1,
 122                                         .max = 64,
 123                                         .increment = 1
 124                                 },
 125                                 .digest_size = {
 126                                         .min = 32,
 127                                         .max = 32,
 128                                         .increment = 0
 129                                 },
 130                                 .aad_size = { 0 }
 131                         }, }
 132                 }, }
 133         },
 134         {       /* SHA384 HMAC */
 135                 .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
 136                 {.sym = {
 137                         .xform_type = RTE_CRYPTO_SYM_XFORM_AUTH,
 138                         {.auth = {
 139                                 .algo = RTE_CRYPTO_AUTH_SHA384_HMAC,
 140                                 .block_size = 128,
 141                                 .key_size = {
 142                                         .min = 1,
 143                                         .max = 128,
 144                                         .increment = 1
 145                                 },
 146                                 .digest_size = {
 147                                         .min = 48,
 148                                         .max = 48,
 149                                         .increment = 0
 150                                         },
 151                                 .aad_size = { 0 }
 152                         }, }
 153                 }, }
 154         },
 155         {       /* SHA512 HMAC */
 156                 .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
 157                 {.sym = {
 158                         .xform_type = RTE_CRYPTO_SYM_XFORM_AUTH,
 159                         {.auth = {
 160                                 .algo = RTE_CRYPTO_AUTH_SHA512_HMAC,
 161                                 .block_size = 128,
 162                                 .key_size = {
 163                                         .min = 1,
 164                                         .max = 128,
 165                                         .increment = 1
 166                                 },
 167                                 .digest_size = {
 168                                         .min = 64,
 169                                         .max = 64,
 170                                         .increment = 0
 171                                 },
 172                                 .aad_size = { 0 }
 173                         }, }
 174                 }, }
 175         },
 176         {       /* MD5 HMAC */
 177                 .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
 178                 {.sym = {
 179                         .xform_type = RTE_CRYPTO_SYM_XFORM_AUTH,
 180                         {.auth = {
 181                                 .algo = RTE_CRYPTO_AUTH_MD5_HMAC,
 182                                 .block_size = 64,
 183                                 .key_size = {
 184                                         .min = 1,
 185                                         .max = 64,
 186                                         .increment = 1
 187                                 },
 188                                 .digest_size = {
 189                                         .min = 16,
 190                                         .max = 16,
 191                                         .increment = 0
 192                                 },
 193                                 .aad_size = { 0 }
 194                         }, }
 195                 }, }
 196         },
 197         {       /* AES XCBC MAC */
 198                 .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
 199                 {.sym = {
 200                         .xform_type = RTE_CRYPTO_SYM_XFORM_AUTH,
 201                         {.auth = {
 202                                 .algo = RTE_CRYPTO_AUTH_AES_XCBC_MAC,
 203                                 .block_size = 16,
 204                                 .key_size = {
 205                                         .min = 16,
 206                                         .max = 16,
 207                                         .increment = 0
 208                                 },
 209                                 .digest_size = {
 210                                         .min = 16,
 211                                         .max = 16,
 212                                         .increment = 0
 213                                 },
 214                                 .aad_size = { 0 }
 215                         }, }
 216                 }, }
 217         },
 218         {       /* AES GCM (AUTH) */
 219                 .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
 220                 {.sym = {
 221                         .xform_type = RTE_CRYPTO_SYM_XFORM_AUTH,
 222                         {.auth = {
 223                                 .algo = RTE_CRYPTO_AUTH_AES_GCM,
 224                                 .block_size = 16,
 225                                 .key_size = {
 226                                         .min = 16,
 227                                         .max = 32,
 228                                         .increment = 8
 229                                 },
 230                                 .digest_size = {
 231                                         .min = 8,
 232                                         .max = 16,
 233                                         .increment = 4
 234                                 },
 235                                 .aad_size = {
 236                                         .min = 8,
 237                                         .max = 12,
 238                                         .increment = 4
 239                                 }
 240                         }, }
 241                 }, }
 242         },
 243         {       /* AES GMAC (AUTH) */
 244                 .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
 245                 {.sym = {
 246                         .xform_type = RTE_CRYPTO_SYM_XFORM_AUTH,
 247                         {.auth = {
 248                                 .algo = RTE_CRYPTO_AUTH_AES_GMAC,
 249                                 .block_size = 16,
 250                                 .key_size = {
 251                                         .min = 16,
 252                                         .max = 32,
 253                                         .increment = 8
 254                                 },
 255                                 .digest_size = {
 256                                         .min = 8,
 257                                         .max = 16,
 258                                         .increment = 4
 259                                 },
 260                                 .aad_size = {
 261                                         .min = 1,
 262                                         .max = 65535,
 263                                         .increment = 1
 264                                 }
 265                         }, }
 266                 }, }
 267         },
 268         {       /* SNOW 3G (UIA2) */
 269                 .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
 270                 {.sym = {
 271                         .xform_type = RTE_CRYPTO_SYM_XFORM_AUTH,
 272                         {.auth = {
 273                                 .algo = RTE_CRYPTO_AUTH_SNOW3G_UIA2,
 274                                 .block_size = 16,
 275                                 .key_size = {
 276                                         .min = 16,
 277                                         .max = 16,
 278                                         .increment = 0
 279                                 },
 280                                 .digest_size = {
 281                                         .min = 4,
 282                                         .max = 4,
 283                                         .increment = 0
 284                                 },
 285                                 .aad_size = {
 286                                         .min = 16,
 287                                         .max = 16,
 288                                         .increment = 0
 289                                 }
 290                         }, }
 291                 }, }
 292         },
 293         {       /* AES GCM (CIPHER) */
 294                 .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
 295                 {.sym = {
 296                         .xform_type = RTE_CRYPTO_SYM_XFORM_CIPHER,
 297                         {.cipher = {
 298                                 .algo = RTE_CRYPTO_CIPHER_AES_GCM,
 299                                 .block_size = 16,
 300                                 .key_size = {
 301                                         .min = 16,
 302                                         .max = 32,
 303                                         .increment = 8
 304                                 },
 305                                 .iv_size = {
 306                                         .min = 12,
 307                                         .max = 12,
 308                                         .increment = 0
 309                                 }
 310                         }, }
 311                 }, }
 312         },
 313         {       /* AES CBC */
 314                 .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
 315                 {.sym = {
 316                         .xform_type = RTE_CRYPTO_SYM_XFORM_CIPHER,
 317                         {.cipher = {
 318                                 .algo = RTE_CRYPTO_CIPHER_AES_CBC,
 319                                 .block_size = 16,
 320                                 .key_size = {
 321                                         .min = 16,
 322                                         .max = 32,
 323                                         .increment = 8
 324                                 },
 325                                 .iv_size = {
 326                                         .min = 16,
 327                                         .max = 16,
 328                                         .increment = 0
 329                                 }
 330                         }, }
 331                 }, }
 332         },
 333         {       /* SNOW 3G (UEA2) */
 334                 .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
 335                 {.sym = {
 336                         .xform_type = RTE_CRYPTO_SYM_XFORM_CIPHER,
 337                         {.cipher = {
 338                                 .algo = RTE_CRYPTO_CIPHER_SNOW3G_UEA2,
 339                                 .block_size = 16,
 340                                 .key_size = {
 341                                         .min = 16,
 342                                         .max = 16,
 343                                         .increment = 0
 344                                 },
 345                                 .iv_size = {
 346                                         .min = 16,
 347                                         .max = 16,
 348                                         .increment = 0
 349                                 }
 350                         }, }
 351                 }, }
 352         },
 353         {       /* AES CTR */
 354                 .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
 355                 {.sym = {
 356                         .xform_type = RTE_CRYPTO_SYM_XFORM_CIPHER,
 357                         {.cipher = {
 358                                 .algo = RTE_CRYPTO_CIPHER_AES_CTR,
 359                                 .block_size = 16,
 360                                 .key_size = {
 361                                         .min = 16,
 362                                         .max = 32,
 363                                         .increment = 8
 364                                 },
 365                                 .iv_size = {
 366                                         .min = 16,
 367                                         .max = 16,
 368                                         .increment = 0
 369                                 }
 370                         }, }
 371                 }, }
 372         },
 373         {       /* NULL (AUTH) */
 374                 .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
 375                 {.sym = {
 376                         .xform_type = RTE_CRYPTO_SYM_XFORM_AUTH,
 377                         {.auth = {
 378                                 .algo = RTE_CRYPTO_AUTH_NULL,
 379                                 .block_size = 1,
 380                                 .key_size = {
 381                                         .min = 0,
 382                                         .max = 0,
 383                                         .increment = 0
 384                                 },
 385                                 .digest_size = {
 386                                         .min = 0,
 387                                         .max = 0,
 388                                         .increment = 0
 389                                 },
 390                                 .aad_size = { 0 }
 391                         }, },
 392                 }, },
 393         },
 394         {       /* NULL (CIPHER) */
 395                 .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
 396                 {.sym = {
 397                         .xform_type = RTE_CRYPTO_SYM_XFORM_CIPHER,
 398                         {.cipher = {
 399                                 .algo = RTE_CRYPTO_CIPHER_NULL,
 400                                 .block_size = 1,
 401                                 .key_size = {
 402                                         .min = 0,
 403                                         .max = 0,
 404                                         .increment = 0
 405                                 },
 406                                 .iv_size = {
 407                                         .min = 0,
 408                                         .max = 0,
 409                                         .increment = 0
 410                                 }
 411                         }, },
 412                 }, }
 413         },
 414         {       /* KASUMI (F8) */
 415                 .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
 416                 {.sym = {
 417                         .xform_type = RTE_CRYPTO_SYM_XFORM_CIPHER,
 418                         {.cipher = {
 419                                 .algo = RTE_CRYPTO_CIPHER_KASUMI_F8,
 420                                 .block_size = 8,
 421                                 .key_size = {
 422                                         .min = 16,
 423                                         .max = 16,
 424                                         .increment = 0
 425                                 },
 426                                 .iv_size = {
 427                                         .min = 8,
 428                                         .max = 8,
 429                                         .increment = 0
 430                                 }
 431                         }, }
 432                 }, }
 433         },
 434         {       /* KASUMI (F9) */
 435                 .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
 436                 {.sym = {
 437                         .xform_type = RTE_CRYPTO_SYM_XFORM_AUTH,
 438                         {.auth = {
 439                                 .algo = RTE_CRYPTO_AUTH_KASUMI_F9,
 440                                 .block_size = 8,
 441                                 .key_size = {
 442                                         .min = 16,
 443                                         .max = 16,
 444                                         .increment = 0
 445                                 },
 446                                 .digest_size = {
 447                                         .min = 4,
 448                                         .max = 4,
 449                                         .increment = 0
 450                                 },
 451                                 .aad_size = {
 452                                         .min = 8,
 453                                         .max = 8,
 454                                         .increment = 0
 455                                 }
 456                         }, }
 457                 }, }
 458         },
 459         {       /* 3DES CBC */
 460                 .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
 461                 {.sym = {
 462                         .xform_type = RTE_CRYPTO_SYM_XFORM_CIPHER,
 463                         {.cipher = {
 464                                 .algo = RTE_CRYPTO_CIPHER_3DES_CBC,
 465                                 .block_size = 8,
 466                                 .key_size = {
 467                                         .min = 16,
 468                                         .max = 24,
 469                                         .increment = 8
 470                                 },
 471                                 .iv_size = {
 472                                         .min = 8,
 473                                         .max = 8,
 474                                         .increment = 0
 475                                 }
 476                         }, }
 477                 }, }
 478         },
 479         {       /* 3DES CTR */
 480                 .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
 481                 {.sym = {
 482                         .xform_type = RTE_CRYPTO_SYM_XFORM_CIPHER,
 483                         {.cipher = {
 484                                 .algo = RTE_CRYPTO_CIPHER_3DES_CTR,
 485                                 .block_size = 8,
 486                                 .key_size = {
 487                                         .min = 16,
 488                                         .max = 24,
 489                                         .increment = 8
 490                                 },
 491                                 .iv_size = {
 492                                         .min = 8,
 493                                         .max = 8,
 494                                         .increment = 0
 495                                 }
 496                         }, }
 497                 }, }
 498         },
 499         RTE_CRYPTODEV_END_OF_CAPABILITIES_LIST()
 500 };
 501
 502 static inline uint32_t
 503 adf_modulo(uint32_t data, uint32_t shift);
 504
 505 static inline int
 506 qat_write_hw_desc_entry(struct rte_crypto_op *op, uint8_t *out_msg);
 507
 508 void qat_crypto_sym_clear_session(struct rte_cryptodev *dev,
 509                 void *session)
 510 {
 511         struct qat_session *sess = session;
 512         phys_addr_t cd_paddr;
 513
 514         PMD_INIT_FUNC_TRACE();
 515         if (session) {
 516                 cd_paddr = sess->cd_paddr;
 517                 memset(sess, 0, qat_crypto_sym_get_session_private_size(dev));
 518                 sess->cd_paddr = cd_paddr;
 519         } else
 520                 PMD_DRV_LOG(ERR, "NULL session");
 521 }
 522
 523 static int
 524 qat_get_cmd_id(const struct rte_crypto_sym_xform *xform)
 525 {
 526         /* Cipher Only */
 527         if (xform->type == RTE_CRYPTO_SYM_XFORM_CIPHER && xform->next == NULL)
 528                 return ICP_QAT_FW_LA_CMD_CIPHER;
 529
 530         /* Authentication Only */
 531         if (xform->type == RTE_CRYPTO_SYM_XFORM_AUTH && xform->next == NULL)
 532                 return ICP_QAT_FW_LA_CMD_AUTH;
 533
 534         if (xform->next == NULL)
 535                 return -1;
 536
 537         /* Cipher then Authenticate */
 538         if (xform->type == RTE_CRYPTO_SYM_XFORM_CIPHER &&
 539                         xform->next->type == RTE_CRYPTO_SYM_XFORM_AUTH)
 540                 return ICP_QAT_FW_LA_CMD_CIPHER_HASH;
 541
 542         /* Authenticate then Cipher */
 543         if (xform->type == RTE_CRYPTO_SYM_XFORM_AUTH &&
 544                         xform->next->type == RTE_CRYPTO_SYM_XFORM_CIPHER)
 545                 return ICP_QAT_FW_LA_CMD_HASH_CIPHER;
 546
 547         return -1;
 548 }
 549
 550 static struct rte_crypto_auth_xform *
 551 qat_get_auth_xform(struct rte_crypto_sym_xform *xform)
 552 {
 553         do {
 554                 if (xform->type == RTE_CRYPTO_SYM_XFORM_AUTH)
 555                         return &xform->auth;
 556
 557                 xform = xform->next;
 558         } while (xform);
 559
 560         return NULL;
 561 }
 562
 563 static struct rte_crypto_cipher_xform *
 564 qat_get_cipher_xform(struct rte_crypto_sym_xform *xform)
 565 {
 566         do {
 567                 if (xform->type == RTE_CRYPTO_SYM_XFORM_CIPHER)
 568                         return &xform->cipher;
 569
 570                 xform = xform->next;
 571         } while (xform);
 572
 573         return NULL;
 574 }
 575 void *
 576 qat_crypto_sym_configure_session_cipher(struct rte_cryptodev *dev,
 577                 struct rte_crypto_sym_xform *xform, void *session_private)
 578 {
 579         struct qat_pmd_private *internals = dev->data->dev_private;
 580
 581         struct qat_session *session = session_private;
 582
 583         struct rte_crypto_cipher_xform *cipher_xform = NULL;
 584
 585         /* Get cipher xform from crypto xform chain */
 586         cipher_xform = qat_get_cipher_xform(xform);
 587
 588         switch (cipher_xform->algo) {
 589         case RTE_CRYPTO_CIPHER_AES_CBC:
 590                 if (qat_alg_validate_aes_key(cipher_xform->key.length,
 591                                 &session->qat_cipher_alg) != 0) {
 592                         PMD_DRV_LOG(ERR, "Invalid AES cipher key size");
 593                         goto error_out;
 594                 }
 595                 session->qat_mode = ICP_QAT_HW_CIPHER_CBC_MODE;
 596                 break;
 597         case RTE_CRYPTO_CIPHER_AES_GCM:
 598                 if (qat_alg_validate_aes_key(cipher_xform->key.length,
 599                                 &session->qat_cipher_alg) != 0) {
 600                         PMD_DRV_LOG(ERR, "Invalid AES cipher key size");
 601                         goto error_out;
 602                 }
 603                 session->qat_mode = ICP_QAT_HW_CIPHER_CTR_MODE;
 604                 break;
 605         case RTE_CRYPTO_CIPHER_AES_CTR:
 606                 if (qat_alg_validate_aes_key(cipher_xform->key.length,
 607                                 &session->qat_cipher_alg) != 0) {
 608                         PMD_DRV_LOG(ERR, "Invalid AES cipher key size");
 609                         goto error_out;
 610                 }
 611                 session->qat_mode = ICP_QAT_HW_CIPHER_CTR_MODE;
 612                 break;
 613         case RTE_CRYPTO_CIPHER_SNOW3G_UEA2:
 614                 if (qat_alg_validate_snow3g_key(cipher_xform->key.length,
 615                                         &session->qat_cipher_alg) != 0) {
 616                         PMD_DRV_LOG(ERR, "Invalid SNOW 3G cipher key size");
 617                         goto error_out;
 618                 }
 619                 session->qat_mode = ICP_QAT_HW_CIPHER_ECB_MODE;
 620                 break;
 621         case RTE_CRYPTO_CIPHER_NULL:
 622                 session->qat_mode = ICP_QAT_HW_CIPHER_ECB_MODE;
 623                 break;
 624         case RTE_CRYPTO_CIPHER_KASUMI_F8:
 625                 if (qat_alg_validate_kasumi_key(cipher_xform->key.length,
 626                                         &session->qat_cipher_alg) != 0) {
 627                         PMD_DRV_LOG(ERR, "Invalid KASUMI cipher key size");
 628                         goto error_out;
 629                 }
 630                 session->qat_mode = ICP_QAT_HW_CIPHER_F8_MODE;
 631                 break;
 632         case RTE_CRYPTO_CIPHER_3DES_CBC:
 633                 if (qat_alg_validate_3des_key(cipher_xform->key.length,
 634                                 &session->qat_cipher_alg) != 0) {
 635                         PMD_DRV_LOG(ERR, "Invalid 3DES cipher key size");
 636                         goto error_out;
 637                 }
 638                 session->qat_mode = ICP_QAT_HW_CIPHER_CBC_MODE;
 639                 break;
 640         case RTE_CRYPTO_CIPHER_3DES_CTR:
 641                 if (qat_alg_validate_3des_key(cipher_xform->key.length,
 642                                 &session->qat_cipher_alg) != 0) {
 643                         PMD_DRV_LOG(ERR, "Invalid 3DES cipher key size");
 644                         goto error_out;
 645                 }
 646                 session->qat_mode = ICP_QAT_HW_CIPHER_CTR_MODE;
 647                 break;
 648         case RTE_CRYPTO_CIPHER_3DES_ECB:
 649         case RTE_CRYPTO_CIPHER_AES_ECB:
 650         case RTE_CRYPTO_CIPHER_AES_CCM:
 651         case RTE_CRYPTO_CIPHER_AES_F8:
 652         case RTE_CRYPTO_CIPHER_AES_XTS:
 653         case RTE_CRYPTO_CIPHER_ARC4:
 654         case RTE_CRYPTO_CIPHER_ZUC_EEA3:
 655                 PMD_DRV_LOG(ERR, "Crypto QAT PMD: Unsupported Cipher alg %u",
 656                                 cipher_xform->algo);
 657                 goto error_out;
 658         default:
 659                 PMD_DRV_LOG(ERR, "Crypto: Undefined Cipher specified %u\n",
 660                                 cipher_xform->algo);
 661                 goto error_out;
 662         }
 663
 664         if (cipher_xform->op == RTE_CRYPTO_CIPHER_OP_ENCRYPT)
 665                 session->qat_dir = ICP_QAT_HW_CIPHER_ENCRYPT;
 666         else
 667                 session->qat_dir = ICP_QAT_HW_CIPHER_DECRYPT;
 668
 669         if (qat_alg_aead_session_create_content_desc_cipher(session,
 670                                                 cipher_xform->key.data,
 671                                                 cipher_xform->key.length))
 672                 goto error_out;
 673
 674         return session;
 675
 676 error_out:
 677         rte_mempool_put(internals->sess_mp, session);
 678         return NULL;
 679 }
 680
 681
 682 void *
 683 qat_crypto_sym_configure_session(struct rte_cryptodev *dev,
 684                 struct rte_crypto_sym_xform *xform, void *session_private)
 685 {
 686         struct qat_pmd_private *internals = dev->data->dev_private;
 687
 688         struct qat_session *session = session_private;
 689
 690         int qat_cmd_id;
 691
 692         PMD_INIT_FUNC_TRACE();
 693
 694         /* Get requested QAT command id */
 695         qat_cmd_id = qat_get_cmd_id(xform);
 696         if (qat_cmd_id < 0 || qat_cmd_id >= ICP_QAT_FW_LA_CMD_DELIMITER) {
 697                 PMD_DRV_LOG(ERR, "Unsupported xform chain requested");
 698                 goto error_out;
 699         }
 700         session->qat_cmd = (enum icp_qat_fw_la_cmd_id)qat_cmd_id;
 701         switch (session->qat_cmd) {
 702         case ICP_QAT_FW_LA_CMD_CIPHER:
 703         session = qat_crypto_sym_configure_session_cipher(dev, xform, session);
 704                 break;
 705         case ICP_QAT_FW_LA_CMD_AUTH:
 706         session = qat_crypto_sym_configure_session_auth(dev, xform, session);
 707                 break;
 708         case ICP_QAT_FW_LA_CMD_CIPHER_HASH:
 709         session = qat_crypto_sym_configure_session_cipher(dev, xform, session);
 710         session = qat_crypto_sym_configure_session_auth(dev, xform, session);
 711                 break;
 712         case ICP_QAT_FW_LA_CMD_HASH_CIPHER:
 713         session = qat_crypto_sym_configure_session_auth(dev, xform, session);
 714         session = qat_crypto_sym_configure_session_cipher(dev, xform, session);
 715                 break;
 716         case ICP_QAT_FW_LA_CMD_TRNG_GET_RANDOM:
 717         case ICP_QAT_FW_LA_CMD_TRNG_TEST:
 718         case ICP_QAT_FW_LA_CMD_SSL3_KEY_DERIVE:
 719         case ICP_QAT_FW_LA_CMD_TLS_V1_1_KEY_DERIVE:
 720         case ICP_QAT_FW_LA_CMD_TLS_V1_2_KEY_DERIVE:
 721         case ICP_QAT_FW_LA_CMD_MGF1:
 722         case ICP_QAT_FW_LA_CMD_AUTH_PRE_COMP:
 723         case ICP_QAT_FW_LA_CMD_CIPHER_PRE_COMP:
 724         case ICP_QAT_FW_LA_CMD_DELIMITER:
 725         PMD_DRV_LOG(ERR, "Unsupported Service %u",
 726                 session->qat_cmd);
 727                 goto error_out;
 728         default:
 729         PMD_DRV_LOG(ERR, "Unsupported Service %u",
 730                 session->qat_cmd);
 731                 goto error_out;
 732         }
 733         return session;
 734
 735 error_out:
 736         rte_mempool_put(internals->sess_mp, session);
 737         return NULL;
 738 }
 739
 740 struct qat_session *
 741 qat_crypto_sym_configure_session_auth(struct rte_cryptodev *dev,
 742                                 struct rte_crypto_sym_xform *xform,
 743                                 struct qat_session *session_private)
 744 {
 745
 746         struct qat_pmd_private *internals = dev->data->dev_private;
 747         struct qat_session *session = session_private;
 748         struct rte_crypto_auth_xform *auth_xform = NULL;
 749         struct rte_crypto_cipher_xform *cipher_xform = NULL;
 750         auth_xform = qat_get_auth_xform(xform);
 751
 752         switch (auth_xform->algo) {
 753         case RTE_CRYPTO_AUTH_SHA1_HMAC:
 754                 session->qat_hash_alg = ICP_QAT_HW_AUTH_ALGO_SHA1;
 755                 break;
 756         case RTE_CRYPTO_AUTH_SHA224_HMAC:
 757                 session->qat_hash_alg = ICP_QAT_HW_AUTH_ALGO_SHA224;
 758                 break;
 759         case RTE_CRYPTO_AUTH_SHA256_HMAC:
 760                 session->qat_hash_alg = ICP_QAT_HW_AUTH_ALGO_SHA256;
 761                 break;
 762         case RTE_CRYPTO_AUTH_SHA384_HMAC:
 763                 session->qat_hash_alg = ICP_QAT_HW_AUTH_ALGO_SHA384;
 764                 break;
 765         case RTE_CRYPTO_AUTH_SHA512_HMAC:
 766                 session->qat_hash_alg = ICP_QAT_HW_AUTH_ALGO_SHA512;
 767                 break;
 768         case RTE_CRYPTO_AUTH_AES_XCBC_MAC:
 769                 session->qat_hash_alg = ICP_QAT_HW_AUTH_ALGO_AES_XCBC_MAC;
 770                 break;
 771         case RTE_CRYPTO_AUTH_AES_GCM:
 772                 session->qat_hash_alg = ICP_QAT_HW_AUTH_ALGO_GALOIS_128;
 773                 break;
 774         case RTE_CRYPTO_AUTH_AES_GMAC:
 775                 session->qat_hash_alg = ICP_QAT_HW_AUTH_ALGO_GALOIS_128;
 776                 break;
 777         case RTE_CRYPTO_AUTH_SNOW3G_UIA2:
 778                 session->qat_hash_alg = ICP_QAT_HW_AUTH_ALGO_SNOW_3G_UIA2;
 779                 break;
 780         case RTE_CRYPTO_AUTH_MD5_HMAC:
 781                 session->qat_hash_alg = ICP_QAT_HW_AUTH_ALGO_MD5;
 782                 break;
 783         case RTE_CRYPTO_AUTH_NULL:
 784                 session->qat_hash_alg = ICP_QAT_HW_AUTH_ALGO_NULL;
 785                 break;
 786         case RTE_CRYPTO_AUTH_KASUMI_F9:
 787                 session->qat_hash_alg = ICP_QAT_HW_AUTH_ALGO_KASUMI_F9;
 788                 break;
 789         case RTE_CRYPTO_AUTH_SHA1:
 790         case RTE_CRYPTO_AUTH_SHA256:
 791         case RTE_CRYPTO_AUTH_SHA512:
 792         case RTE_CRYPTO_AUTH_SHA224:
 793         case RTE_CRYPTO_AUTH_SHA384:
 794         case RTE_CRYPTO_AUTH_MD5:
 795         case RTE_CRYPTO_AUTH_AES_CCM:
 796         case RTE_CRYPTO_AUTH_AES_CMAC:
 797         case RTE_CRYPTO_AUTH_AES_CBC_MAC:
 798         case RTE_CRYPTO_AUTH_ZUC_EIA3:
 799                 PMD_DRV_LOG(ERR, "Crypto: Unsupported hash alg %u",
 800                                 auth_xform->algo);
 801                 goto error_out;
 802         default:
 803                 PMD_DRV_LOG(ERR, "Crypto: Undefined Hash algo %u specified",
 804                                 auth_xform->algo);
 805                 goto error_out;
 806         }
 807         cipher_xform = qat_get_cipher_xform(xform);
 808
 809         if ((session->qat_hash_alg == ICP_QAT_HW_AUTH_ALGO_GALOIS_128) ||
 810                         (session->qat_hash_alg ==
 811                                 ICP_QAT_HW_AUTH_ALGO_GALOIS_64))  {
 812                 if (qat_alg_aead_session_create_content_desc_auth(session,
 813                                 cipher_xform->key.data,
 814                                 cipher_xform->key.length,
 815                                 auth_xform->add_auth_data_length,
 816                                 auth_xform->digest_length,
 817                                 auth_xform->op))
 818                         goto error_out;
 819         } else {
 820                 if (qat_alg_aead_session_create_content_desc_auth(session,
 821                                 auth_xform->key.data,
 822                                 auth_xform->key.length,
 823                                 auth_xform->add_auth_data_length,
 824                                 auth_xform->digest_length,
 825                                 auth_xform->op))
 826                         goto error_out;
 827         }
 828         return session;
 829
 830 error_out:
 831         if (internals->sess_mp != NULL)
 832                 rte_mempool_put(internals->sess_mp, session);
 833         return NULL;
 834 }
 835
 836 unsigned qat_crypto_sym_get_session_private_size(
 837                 struct rte_cryptodev *dev __rte_unused)
 838 {
 839         return RTE_ALIGN_CEIL(sizeof(struct qat_session), 8);
 840 }
 841
 842
 843 uint16_t
 844 qat_pmd_enqueue_op_burst(void *qp, struct rte_crypto_op **ops,
 845                 uint16_t nb_ops)
 846 {
 847         register struct qat_queue *queue;
 848         struct qat_qp *tmp_qp = (struct qat_qp *)qp;
 849         register uint32_t nb_ops_sent = 0;
 850         register struct rte_crypto_op **cur_op = ops;
 851         register int ret;
 852         uint16_t nb_ops_possible = nb_ops;
 853         register uint8_t *base_addr;
 854         register uint32_t tail;
 855         int overflow;
 856
 857         if (unlikely(nb_ops == 0))
 858                 return 0;
 859
 860         /* read params used a lot in main loop into registers */
 861         queue = &(tmp_qp->tx_q);
 862         base_addr = (uint8_t *)queue->base_addr;
 863         tail = queue->tail;
 864
 865         /* Find how many can actually fit on the ring */
 866         overflow = rte_atomic16_add_return(&tmp_qp->inflights16, nb_ops)
 867                                 - queue->max_inflights;
 868         if (overflow > 0) {
 869                 rte_atomic16_sub(&tmp_qp->inflights16, overflow);
 870                 nb_ops_possible = nb_ops - overflow;
 871                 if (nb_ops_possible == 0)
 872                         return 0;
 873         }
 874
 875         while (nb_ops_sent != nb_ops_possible) {
 876                 ret = qat_write_hw_desc_entry(*cur_op, base_addr + tail);
 877                 if (ret != 0) {
 878                         tmp_qp->stats.enqueue_err_count++;
 879                         if (nb_ops_sent == 0)
 880                                 return 0;
 881                         goto kick_tail;
 882                 }
 883
 884                 tail = adf_modulo(tail + queue->msg_size, queue->modulo);
 885                 nb_ops_sent++;
 886                 cur_op++;
 887         }
 888 kick_tail:
 889         WRITE_CSR_RING_TAIL(tmp_qp->mmap_bar_addr, queue->hw_bundle_number,
 890                         queue->hw_queue_number, tail);
 891         queue->tail = tail;
 892         tmp_qp->stats.enqueued_count += nb_ops_sent;
 893         return nb_ops_sent;
 894 }
 895
 896 uint16_t
 897 qat_pmd_dequeue_op_burst(void *qp, struct rte_crypto_op **ops,
 898                 uint16_t nb_ops)
 899 {
 900         struct qat_queue *queue;
 901         struct qat_qp *tmp_qp = (struct qat_qp *)qp;
 902         uint32_t msg_counter = 0;
 903         struct rte_crypto_op *rx_op;
 904         struct icp_qat_fw_comn_resp *resp_msg;
 905
 906         queue = &(tmp_qp->rx_q);
 907         resp_msg = (struct icp_qat_fw_comn_resp *)
 908                         ((uint8_t *)queue->base_addr + queue->head);
 909
 910         while (*(uint32_t *)resp_msg != ADF_RING_EMPTY_SIG &&
 911                         msg_counter != nb_ops) {
 912                 rx_op = (struct rte_crypto_op *)(uintptr_t)
 913                                 (resp_msg->opaque_data);
 914
 915 #ifdef RTE_LIBRTE_PMD_QAT_DEBUG_RX
 916                 rte_hexdump(stdout, "qat_response:", (uint8_t *)resp_msg,
 917                                 sizeof(struct icp_qat_fw_comn_resp));
 918 #endif
 919                 if (ICP_QAT_FW_COMN_STATUS_FLAG_OK !=
 920                                 ICP_QAT_FW_COMN_RESP_CRYPTO_STAT_GET(
 921                                         resp_msg->comn_hdr.comn_status)) {
 922                         rx_op->status = RTE_CRYPTO_OP_STATUS_AUTH_FAILED;
 923                 } else {
 924                         rx_op->status = RTE_CRYPTO_OP_STATUS_SUCCESS;
 925                 }
 926                 *(uint32_t *)resp_msg = ADF_RING_EMPTY_SIG;
 927                 queue->head = adf_modulo(queue->head +
 928                                 queue->msg_size,
 929                                 ADF_RING_SIZE_MODULO(queue->queue_size));
 930                 resp_msg = (struct icp_qat_fw_comn_resp *)
 931                                         ((uint8_t *)queue->base_addr +
 932                                                         queue->head);
 933                 *ops = rx_op;
 934                 ops++;
 935                 msg_counter++;
 936         }
 937         if (msg_counter > 0) {
 938                 WRITE_CSR_RING_HEAD(tmp_qp->mmap_bar_addr,
 939                                         queue->hw_bundle_number,
 940                                         queue->hw_queue_number, queue->head);
 941                 rte_atomic16_sub(&tmp_qp->inflights16, msg_counter);
 942                 tmp_qp->stats.dequeued_count += msg_counter;
 943         }
 944         return msg_counter;
 945 }
 946
 947 static inline int
 948 qat_write_hw_desc_entry(struct rte_crypto_op *op, uint8_t *out_msg)
 949 {
 950         struct qat_session *ctx;
 951         struct icp_qat_fw_la_cipher_req_params *cipher_param;
 952         struct icp_qat_fw_la_auth_req_params *auth_param;
 953         register struct icp_qat_fw_la_bulk_req *qat_req;
 954         uint8_t do_auth = 0, do_cipher = 0;
 955         uint32_t cipher_len = 0, cipher_ofs = 0;
 956         uint32_t auth_len = 0, auth_ofs = 0;
 957         uint32_t min_ofs = 0;
 958         uint32_t digest_appended = 1;
 959         uint64_t src_buf_start = 0, dst_buf_start = 0;
 960
 961
 962 #ifdef RTE_LIBRTE_PMD_QAT_DEBUG_TX
 963         if (unlikely(op->type != RTE_CRYPTO_OP_TYPE_SYMMETRIC)) {
 964                 PMD_DRV_LOG(ERR, "QAT PMD only supports symmetric crypto "
 965                                 "operation requests, op (%p) is not a "
 966                                 "symmetric operation.", op);
 967                 return -EINVAL;
 968         }
 969 #endif
 970         if (unlikely(op->sym->sess_type == RTE_CRYPTO_SYM_OP_SESSIONLESS)) {
 971                 PMD_DRV_LOG(ERR, "QAT PMD only supports session oriented"
 972                                 " requests, op (%p) is sessionless.", op);
 973                 return -EINVAL;
 974         }
 975
 976         if (unlikely(op->sym->session->dev_type != RTE_CRYPTODEV_QAT_SYM_PMD)) {
 977                 PMD_DRV_LOG(ERR, "Session was not created for this device");
 978                 return -EINVAL;
 979         }
 980
 981         ctx = (struct qat_session *)op->sym->session->_private;
 982         qat_req = (struct icp_qat_fw_la_bulk_req *)out_msg;
 983         rte_mov128((uint8_t *)qat_req, (const uint8_t *)&(ctx->fw_req));
 984         qat_req->comn_mid.opaque_data = (uint64_t)(uintptr_t)op;
 985         cipher_param = (void *)&qat_req->serv_specif_rqpars;
 986         auth_param = (void *)((uint8_t *)cipher_param + sizeof(*cipher_param));
 987
 988         if (ctx->qat_cmd == ICP_QAT_FW_LA_CMD_HASH_CIPHER ||
 989                 ctx->qat_cmd == ICP_QAT_FW_LA_CMD_CIPHER_HASH) {
 990                 do_auth = 1;
 991                 do_cipher = 1;
 992         } else if (ctx->qat_cmd == ICP_QAT_FW_LA_CMD_AUTH) {
 993                 do_auth = 1;
 994                 do_cipher = 0;
 995         } else if (ctx->qat_cmd == ICP_QAT_FW_LA_CMD_CIPHER) {
 996                 do_auth = 0;
 997                 do_cipher = 1;
 998         }
 999
1000         if (do_cipher) {
1001
1002                 if (ctx->qat_cipher_alg ==
1003                                          ICP_QAT_HW_CIPHER_ALGO_SNOW_3G_UEA2 ||
1004                         ctx->qat_cipher_alg == ICP_QAT_HW_CIPHER_ALGO_KASUMI) {
1005
1006                         if (unlikely(
1007                                 (cipher_param->cipher_length % BYTE_LENGTH != 0)
1008                                  || (cipher_param->cipher_offset
1009                                                         % BYTE_LENGTH != 0))) {
1010                                 PMD_DRV_LOG(ERR,
1011                   "SNOW3G/KASUMI in QAT PMD only supports byte aligned values");
1012                                 op->status = RTE_CRYPTO_OP_STATUS_INVALID_ARGS;
1013                                 return -EINVAL;
1014                         }
1015                         cipher_len = op->sym->cipher.data.length >> 3;
1016                         cipher_ofs = op->sym->cipher.data.offset >> 3;
1017
1018                 } else {
1019                         cipher_len = op->sym->cipher.data.length;
1020                         cipher_ofs = op->sym->cipher.data.offset;
1021                 }
1022
1023                 /* copy IV into request if it fits */
1024                 /*
1025                  * If IV length is zero do not copy anything but still
1026                  * use request descriptor embedded IV
1027                  *
1028                  */
1029                 if (op->sym->cipher.iv.length) {
1030                         if (op->sym->cipher.iv.length <=
1031                                         sizeof(cipher_param->u.cipher_IV_array)) {
1032                                 rte_memcpy(cipher_param->u.cipher_IV_array,
1033                                                 op->sym->cipher.iv.data,
1034                                                 op->sym->cipher.iv.length);
1035                         } else {
1036                                 ICP_QAT_FW_LA_CIPH_IV_FLD_FLAG_SET(
1037                                                 qat_req->comn_hdr.serv_specif_flags,
1038                                                 ICP_QAT_FW_CIPH_IV_64BIT_PTR);
1039                                 cipher_param->u.s.cipher_IV_ptr =
1040                                                 op->sym->cipher.iv.phys_addr;
1041                         }
1042                 }
1043                 min_ofs = cipher_ofs;
1044         }
1045
1046         if (do_auth) {
1047
1048                 if (ctx->qat_hash_alg == ICP_QAT_HW_AUTH_ALGO_SNOW_3G_UIA2 ||
1049                         ctx->qat_hash_alg == ICP_QAT_HW_AUTH_ALGO_KASUMI_F9) {
1050                         if (unlikely((auth_param->auth_off % BYTE_LENGTH != 0)
1051                                 || (auth_param->auth_len % BYTE_LENGTH != 0))) {
1052                                 PMD_DRV_LOG(ERR,
1053                 "For SNOW3G/KASUMI, QAT PMD only supports byte aligned values");
1054                                 op->status = RTE_CRYPTO_OP_STATUS_INVALID_ARGS;
1055                                 return -EINVAL;
1056                         }
1057                         auth_ofs = op->sym->auth.data.offset >> 3;
1058                         auth_len = op->sym->auth.data.length >> 3;
1059
1060                         if (ctx->qat_hash_alg ==
1061                                         ICP_QAT_HW_AUTH_ALGO_KASUMI_F9) {
1062                                 if (do_cipher) {
1063                                         auth_len = auth_len + auth_ofs + 1 -
1064                                                 ICP_QAT_HW_KASUMI_BLK_SZ;
1065                                         auth_ofs = ICP_QAT_HW_KASUMI_BLK_SZ;
1066                                 } else {
1067                                         auth_len = auth_len + auth_ofs + 1;
1068                                         auth_ofs = 0;
1069                                 }
1070                         }
1071
1072                 } else if (ctx->qat_hash_alg ==
1073                                         ICP_QAT_HW_AUTH_ALGO_GALOIS_128 ||
1074                                 ctx->qat_hash_alg ==
1075                                         ICP_QAT_HW_AUTH_ALGO_GALOIS_64) {
1076                         auth_ofs = op->sym->cipher.data.offset;
1077                         auth_len = op->sym->cipher.data.length;
1078                 } else {
1079                         auth_ofs = op->sym->auth.data.offset;
1080                         auth_len = op->sym->auth.data.length;
1081                 }
1082                 min_ofs = auth_ofs;
1083
1084                 if (op->sym->auth.digest.phys_addr) {
1085                         ICP_QAT_FW_LA_DIGEST_IN_BUFFER_SET(
1086                                         qat_req->comn_hdr.serv_specif_flags,
1087                                         ICP_QAT_FW_LA_NO_DIGEST_IN_BUFFER);
1088                         if (likely(ctx->qat_hash_alg != ICP_QAT_HW_AUTH_ALGO_NULL))
1089                                 auth_param->auth_res_addr =
1090                                                 op->sym->auth.digest.phys_addr;
1091                         digest_appended = 0;
1092                 }
1093
1094                 auth_param->u1.aad_adr = op->sym->auth.aad.phys_addr;
1095
1096         }
1097
1098         /* adjust for chain case */
1099         if (do_cipher && do_auth)
1100                 min_ofs = cipher_ofs < auth_ofs ? cipher_ofs : auth_ofs;
1101
1102         if (unlikely(op->sym->m_dst != NULL)) {
1103                 /* Out-of-place operation (OOP)
1104                  * Don't align DMA start. DMA the minimum data-set
1105                  * so as not to overwrite data in dest buffer
1106                  */
1107                 src_buf_start =
1108                         rte_pktmbuf_mtophys_offset(op->sym->m_src, min_ofs);
1109                 dst_buf_start =
1110                         rte_pktmbuf_mtophys_offset(op->sym->m_dst, min_ofs);
1111         } else {
1112                 /* In-place operation
1113                  * Start DMA at nearest aligned address below min_ofs
1114                  */
1115                 src_buf_start =
1116                         rte_pktmbuf_mtophys_offset(op->sym->m_src, min_ofs)
1117                                                 & QAT_64_BTYE_ALIGN_MASK;
1118
1119                 if (unlikely((rte_pktmbuf_mtophys(op->sym->m_src) -
1120                                         rte_pktmbuf_headroom(op->sym->m_src))
1121                                                         > src_buf_start)) {
1122                         /* alignment has pushed addr ahead of start of mbuf
1123                          * so revert and take the performance hit
1124                          */
1125                         src_buf_start =
1126                                 rte_pktmbuf_mtophys_offset(op->sym->m_src,
1127                                                                 min_ofs);
1128                 }
1129                 dst_buf_start = src_buf_start;
1130         }
1131
1132         if (do_cipher) {
1133                 cipher_param->cipher_offset =
1134                                 (uint32_t)rte_pktmbuf_mtophys_offset(
1135                                 op->sym->m_src, cipher_ofs) - src_buf_start;
1136                 cipher_param->cipher_length = cipher_len;
1137         } else {
1138                 cipher_param->cipher_offset = 0;
1139                 cipher_param->cipher_length = 0;
1140         }
1141         if (do_auth) {
1142                 auth_param->auth_off = (uint32_t)rte_pktmbuf_mtophys_offset(
1143                                 op->sym->m_src, auth_ofs) - src_buf_start;
1144                 auth_param->auth_len = auth_len;
1145         } else {
1146                 auth_param->auth_off = 0;
1147                 auth_param->auth_len = 0;
1148         }
1149         qat_req->comn_mid.dst_length =
1150                 qat_req->comn_mid.src_length =
1151                 (cipher_param->cipher_offset + cipher_param->cipher_length)
1152                 > (auth_param->auth_off + auth_param->auth_len) ?
1153                 (cipher_param->cipher_offset + cipher_param->cipher_length)
1154                 : (auth_param->auth_off + auth_param->auth_len);
1155
1156         if (do_auth && digest_appended) {
1157                 if (ctx->auth_op == ICP_QAT_HW_AUTH_GENERATE)
1158                         qat_req->comn_mid.dst_length
1159                                         += op->sym->auth.digest.length;
1160                 else
1161                         qat_req->comn_mid.src_length
1162                                 += op->sym->auth.digest.length;
1163         }
1164         qat_req->comn_mid.src_data_addr = src_buf_start;
1165         qat_req->comn_mid.dest_data_addr = dst_buf_start;
1166
1167         if (ctx->qat_hash_alg == ICP_QAT_HW_AUTH_ALGO_GALOIS_128 ||
1168                         ctx->qat_hash_alg == ICP_QAT_HW_AUTH_ALGO_GALOIS_64) {
1169                 if (op->sym->cipher.iv.length == 12) {
1170                         /*
1171                          * For GCM a 12 bit IV is allowed,
1172                          * but we need to inform the f/w
1173                          */
1174                         ICP_QAT_FW_LA_GCM_IV_LEN_FLAG_SET(
1175                                 qat_req->comn_hdr.serv_specif_flags,
1176                                 ICP_QAT_FW_LA_GCM_IV_LEN_12_OCTETS);
1177                 }
1178                 if (op->sym->cipher.data.length == 0) {
1179                         /*
1180                          * GMAC
1181                          */
1182                         qat_req->comn_mid.dest_data_addr =
1183                                 qat_req->comn_mid.src_data_addr =
1184                                                 op->sym->auth.aad.phys_addr;
1185                         qat_req->comn_mid.dst_length =
1186                                 qat_req->comn_mid.src_length =
1187                                         rte_pktmbuf_data_len(op->sym->m_src);
1188                         cipher_param->cipher_length = 0;
1189                         cipher_param->cipher_offset = 0;
1190                         auth_param->u1.aad_adr = 0;
1191                         auth_param->auth_len = op->sym->auth.aad.length;
1192                         auth_param->auth_off = op->sym->auth.data.offset;
1193                         auth_param->u2.aad_sz = 0;
1194                 }
1195         }
1196
1197
1198 #ifdef RTE_LIBRTE_PMD_QAT_DEBUG_TX
1199         rte_hexdump(stdout, "qat_req:", qat_req,
1200                         sizeof(struct icp_qat_fw_la_bulk_req));
1201         rte_hexdump(stdout, "src_data:",
1202                         rte_pktmbuf_mtod(op->sym->m_src, uint8_t*),
1203                         rte_pktmbuf_data_len(op->sym->m_src));
1204         rte_hexdump(stdout, "iv:", op->sym->cipher.iv.data,
1205                         op->sym->cipher.iv.length);
1206         rte_hexdump(stdout, "digest:", op->sym->auth.digest.data,
1207                         op->sym->auth.digest.length);
1208         rte_hexdump(stdout, "aad:", op->sym->auth.aad.data,
1209                         op->sym->auth.aad.length);
1210 #endif
1211         return 0;
1212 }
1213
1214 static inline uint32_t adf_modulo(uint32_t data, uint32_t shift)
1215 {
1216         uint32_t div = data >> shift;
1217         uint32_t mult = div << shift;
1218
1219         return data - mult;
1220 }
1221
1222 void qat_crypto_sym_session_init(struct rte_mempool *mp, void *sym_sess)
1223 {
1224         struct rte_cryptodev_sym_session *sess = sym_sess;
1225         struct qat_session *s = (void *)sess->_private;
1226
1227         PMD_INIT_FUNC_TRACE();
1228         s->cd_paddr = rte_mempool_virt2phy(mp, sess) +
1229                 offsetof(struct qat_session, cd) +
1230                 offsetof(struct rte_cryptodev_sym_session, _private);
1231 }
1232
1233 int qat_dev_config(__rte_unused struct rte_cryptodev *dev)
1234 {
1235         PMD_INIT_FUNC_TRACE();
1236         return -ENOTSUP;
1237 }
1238
1239 int qat_dev_start(__rte_unused struct rte_cryptodev *dev)
1240 {
1241         PMD_INIT_FUNC_TRACE();
1242         return 0;
1243 }
1244
1245 void qat_dev_stop(__rte_unused struct rte_cryptodev *dev)
1246 {
1247         PMD_INIT_FUNC_TRACE();
1248 }
1249
1250 int qat_dev_close(struct rte_cryptodev *dev)
1251 {
1252         int i, ret;
1253
1254         PMD_INIT_FUNC_TRACE();
1255
1256         for (i = 0; i < dev->data->nb_queue_pairs; i++) {
1257                 ret = qat_crypto_sym_qp_release(dev, i);
1258                 if (ret < 0)
1259                         return ret;
1260         }
1261
1262         return 0;
1263 }
1264
1265 void qat_dev_info_get(__rte_unused struct rte_cryptodev *dev,
1266                                 struct rte_cryptodev_info *info)
1267 {
1268         struct qat_pmd_private *internals = dev->data->dev_private;
1269
1270         PMD_INIT_FUNC_TRACE();
1271         if (info != NULL) {
1272                 info->max_nb_queue_pairs =
1273                                 ADF_NUM_SYM_QPS_PER_BUNDLE *
1274                                 ADF_NUM_BUNDLES_PER_DEV;
1275                 info->feature_flags = dev->feature_flags;
1276                 info->capabilities = qat_pmd_capabilities;
1277                 info->sym.max_nb_sessions = internals->max_nb_sessions;
1278                 info->dev_type = RTE_CRYPTODEV_QAT_SYM_PMD;
1279         }
1280 }
1281
1282 void qat_crypto_sym_stats_get(struct rte_cryptodev *dev,
1283                 struct rte_cryptodev_stats *stats)
1284 {
1285         int i;
1286         struct qat_qp **qp = (struct qat_qp **)(dev->data->queue_pairs);
1287
1288         PMD_INIT_FUNC_TRACE();
1289         if (stats == NULL) {
1290                 PMD_DRV_LOG(ERR, "invalid stats ptr NULL");
1291                 return;
1292         }
1293         for (i = 0; i < dev->data->nb_queue_pairs; i++) {
1294                 if (qp[i] == NULL) {
1295                         PMD_DRV_LOG(DEBUG, "Uninitialised queue pair");
1296                         continue;
1297                 }
1298
1299                 stats->enqueued_count += qp[i]->stats.enqueued_count;
1300                 stats->dequeued_count += qp[i]->stats.dequeued_count;
1301                 stats->enqueue_err_count += qp[i]->stats.enqueue_err_count;
1302                 stats->dequeue_err_count += qp[i]->stats.dequeue_err_count;
1303         }
1304 }
1305
1306 void qat_crypto_sym_stats_reset(struct rte_cryptodev *dev)
1307 {
1308         int i;
1309         struct qat_qp **qp = (struct qat_qp **)(dev->data->queue_pairs);
1310
1311         PMD_INIT_FUNC_TRACE();
1312         for (i = 0; i < dev->data->nb_queue_pairs; i++)
1313                 memset(&(qp[i]->stats), 0, sizeof(qp[i]->stats));
1314         PMD_DRV_LOG(DEBUG, "QAT crypto: stats cleared");
1315 }