drivers/crypto/kasumi/rte_kasumi_pmd.c

   1 /*-
   2  *   BSD LICENSE
   3  *
   4  *   Copyright(c) 2016-2017 Intel Corporation. All rights reserved.
   5  *
   6  *   Redistribution and use in source and binary forms, with or without
   7  *   modification, are permitted provided that the following conditions
   8  *   are met:
   9  *
  10  *     * Redistributions of source code must retain the above copyright
  11  *       notice, this list of conditions and the following disclaimer.
  12  *     * Redistributions in binary form must reproduce the above copyright
  13  *       notice, this list of conditions and the following disclaimer in
  14  *       the documentation and/or other materials provided with the
  15  *       distribution.
  16  *     * Neither the name of Intel Corporation nor the names of its
  17  *       contributors may be used to endorse or promote products derived
  18  *       from this software without specific prior written permission.
  19  *
  20  *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  21  *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  22  *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  23  *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  24  *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  25  *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  26  *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  27  *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  28  *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  29  *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  30  *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  31  */
  32
  33 #include <rte_common.h>
  34 #include <rte_config.h>
  35 #include <rte_hexdump.h>
  36 #include <rte_cryptodev.h>
  37 #include <rte_cryptodev_pmd.h>
  38 #include <rte_cryptodev_vdev.h>
  39 #include <rte_vdev.h>
  40 #include <rte_malloc.h>
  41 #include <rte_cpuflags.h>
  42
  43 #include "rte_kasumi_pmd_private.h"
  44
  45 #define KASUMI_KEY_LENGTH 16
  46 #define KASUMI_IV_LENGTH 8
  47 #define KASUMI_DIGEST_LENGTH 4
  48 #define KASUMI_MAX_BURST 4
  49 #define BYTE_LEN 8
  50
  51 static uint8_t cryptodev_driver_id;
  52
  53 /** Get xform chain order. */
  54 static enum kasumi_operation
  55 kasumi_get_mode(const struct rte_crypto_sym_xform *xform)
  56 {
  57         if (xform == NULL)
  58                 return KASUMI_OP_NOT_SUPPORTED;
  59
  60         if (xform->next)
  61                 if (xform->next->next != NULL)
  62                         return KASUMI_OP_NOT_SUPPORTED;
  63
  64         if (xform->type == RTE_CRYPTO_SYM_XFORM_AUTH) {
  65                 if (xform->next == NULL)
  66                         return KASUMI_OP_ONLY_AUTH;
  67                 else if (xform->next->type == RTE_CRYPTO_SYM_XFORM_CIPHER)
  68                         return KASUMI_OP_AUTH_CIPHER;
  69                 else
  70                         return KASUMI_OP_NOT_SUPPORTED;
  71         }
  72
  73         if (xform->type == RTE_CRYPTO_SYM_XFORM_CIPHER) {
  74                 if (xform->next == NULL)
  75                         return KASUMI_OP_ONLY_CIPHER;
  76                 else if (xform->next->type == RTE_CRYPTO_SYM_XFORM_AUTH)
  77                         return KASUMI_OP_CIPHER_AUTH;
  78                 else
  79                         return KASUMI_OP_NOT_SUPPORTED;
  80         }
  81
  82         return KASUMI_OP_NOT_SUPPORTED;
  83 }
  84
  85
  86 /** Parse crypto xform chain and set private session parameters. */
  87 int
  88 kasumi_set_session_parameters(struct kasumi_session *sess,
  89                 const struct rte_crypto_sym_xform *xform)
  90 {
  91         const struct rte_crypto_sym_xform *auth_xform = NULL;
  92         const struct rte_crypto_sym_xform *cipher_xform = NULL;
  93         enum kasumi_operation mode;
  94
  95         /* Select Crypto operation - hash then cipher / cipher then hash */
  96         mode = kasumi_get_mode(xform);
  97
  98         switch (mode) {
  99         case KASUMI_OP_CIPHER_AUTH:
 100                 auth_xform = xform->next;
 101                 /* Fall-through */
 102         case KASUMI_OP_ONLY_CIPHER:
 103                 cipher_xform = xform;
 104                 break;
 105         case KASUMI_OP_AUTH_CIPHER:
 106                 cipher_xform = xform->next;
 107                 /* Fall-through */
 108         case KASUMI_OP_ONLY_AUTH:
 109                 auth_xform = xform;
 110                 break;
 111         case KASUMI_OP_NOT_SUPPORTED:
 112         default:
 113                 KASUMI_LOG_ERR("Unsupported operation chain order parameter");
 114                 return -ENOTSUP;
 115         }
 116
 117         if (cipher_xform) {
 118                 /* Only KASUMI F8 supported */
 119                 if (cipher_xform->cipher.algo != RTE_CRYPTO_CIPHER_KASUMI_F8)
 120                         return -ENOTSUP;
 121
 122                 sess->cipher_iv_offset = cipher_xform->cipher.iv.offset;
 123                 if (cipher_xform->cipher.iv.length != KASUMI_IV_LENGTH) {
 124                         KASUMI_LOG_ERR("Wrong IV length");
 125                         return -EINVAL;
 126                 }
 127
 128                 /* Initialize key */
 129                 sso_kasumi_init_f8_key_sched(cipher_xform->cipher.key.data,
 130                                 &sess->pKeySched_cipher);
 131         }
 132
 133         if (auth_xform) {
 134                 /* Only KASUMI F9 supported */
 135                 if (auth_xform->auth.algo != RTE_CRYPTO_AUTH_KASUMI_F9)
 136                         return -ENOTSUP;
 137
 138                 if (auth_xform->auth.digest_length != KASUMI_DIGEST_LENGTH) {
 139                         KASUMI_LOG_ERR("Wrong digest length");
 140                         return -EINVAL;
 141                 }
 142
 143                 sess->auth_op = auth_xform->auth.op;
 144
 145                 /* Initialize key */
 146                 sso_kasumi_init_f9_key_sched(auth_xform->auth.key.data,
 147                                 &sess->pKeySched_hash);
 148         }
 149
 150
 151         sess->op = mode;
 152
 153         return 0;
 154 }
 155
 156 /** Get KASUMI session. */
 157 static struct kasumi_session *
 158 kasumi_get_session(struct kasumi_qp *qp, struct rte_crypto_op *op)
 159 {
 160         struct kasumi_session *sess = NULL;
 161
 162         if (op->sess_type == RTE_CRYPTO_OP_WITH_SESSION) {
 163                 if (likely(op->sym->session != NULL))
 164                         sess = (struct kasumi_session *)
 165                                         get_session_private_data(
 166                                         op->sym->session,
 167                                         cryptodev_driver_id);
 168         } else {
 169                 void *_sess = NULL;
 170                 void *_sess_private_data = NULL;
 171
 172                 if (rte_mempool_get(qp->sess_mp, (void **)&_sess))
 173                         return NULL;
 174
 175                 if (rte_mempool_get(qp->sess_mp, (void **)&_sess_private_data))
 176                         return NULL;
 177
 178                 sess = (struct kasumi_session *)_sess_private_data;
 179
 180                 if (unlikely(kasumi_set_session_parameters(sess,
 181                                 op->sym->xform) != 0)) {
 182                         rte_mempool_put(qp->sess_mp, _sess);
 183                         rte_mempool_put(qp->sess_mp, _sess_private_data);
 184                         sess = NULL;
 185                 }
 186                 op->sym->session = (struct rte_cryptodev_sym_session *)_sess;
 187                 set_session_private_data(op->sym->session, cryptodev_driver_id,
 188                         _sess_private_data);
 189         }
 190
 191         if (unlikely(sess == NULL))
 192                 op->status = RTE_CRYPTO_OP_STATUS_INVALID_SESSION;
 193
 194         return sess;
 195 }
 196
 197 /** Encrypt/decrypt mbufs with same cipher key. */
 198 static uint8_t
 199 process_kasumi_cipher_op(struct rte_crypto_op **ops,
 200                 struct kasumi_session *session,
 201                 uint8_t num_ops)
 202 {
 203         unsigned i;
 204         uint8_t processed_ops = 0;
 205         uint8_t *src[num_ops], *dst[num_ops];
 206         uint8_t *iv_ptr;
 207         uint64_t iv[num_ops];
 208         uint32_t num_bytes[num_ops];
 209
 210         for (i = 0; i < num_ops; i++) {
 211                 src[i] = rte_pktmbuf_mtod(ops[i]->sym->m_src, uint8_t *) +
 212                                 (ops[i]->sym->cipher.data.offset >> 3);
 213                 dst[i] = ops[i]->sym->m_dst ?
 214                         rte_pktmbuf_mtod(ops[i]->sym->m_dst, uint8_t *) +
 215                                 (ops[i]->sym->cipher.data.offset >> 3) :
 216                         rte_pktmbuf_mtod(ops[i]->sym->m_src, uint8_t *) +
 217                                 (ops[i]->sym->cipher.data.offset >> 3);
 218                 iv_ptr = rte_crypto_op_ctod_offset(ops[i], uint8_t *,
 219                                 session->cipher_iv_offset);
 220                 iv[i] = *((uint64_t *)(iv_ptr));
 221                 num_bytes[i] = ops[i]->sym->cipher.data.length >> 3;
 222
 223                 processed_ops++;
 224         }
 225
 226         if (processed_ops != 0)
 227                 sso_kasumi_f8_n_buffer(&session->pKeySched_cipher, iv,
 228                         src, dst, num_bytes, processed_ops);
 229
 230         return processed_ops;
 231 }
 232
 233 /** Encrypt/decrypt mbuf (bit level function). */
 234 static uint8_t
 235 process_kasumi_cipher_op_bit(struct rte_crypto_op *op,
 236                 struct kasumi_session *session)
 237 {
 238         uint8_t *src, *dst;
 239         uint8_t *iv_ptr;
 240         uint64_t iv;
 241         uint32_t length_in_bits, offset_in_bits;
 242
 243         offset_in_bits = op->sym->cipher.data.offset;
 244         src = rte_pktmbuf_mtod(op->sym->m_src, uint8_t *);
 245         if (op->sym->m_dst == NULL) {
 246                 op->status = RTE_CRYPTO_OP_STATUS_INVALID_ARGS;
 247                 KASUMI_LOG_ERR("bit-level in-place not supported\n");
 248                 return 0;
 249         }
 250         dst = rte_pktmbuf_mtod(op->sym->m_dst, uint8_t *);
 251         iv_ptr = rte_crypto_op_ctod_offset(op, uint8_t *,
 252                         session->cipher_iv_offset);
 253         iv = *((uint64_t *)(iv_ptr));
 254         length_in_bits = op->sym->cipher.data.length;
 255
 256         sso_kasumi_f8_1_buffer_bit(&session->pKeySched_cipher, iv,
 257                         src, dst, length_in_bits, offset_in_bits);
 258
 259         return 1;
 260 }
 261
 262 /** Generate/verify hash from mbufs with same hash key. */
 263 static int
 264 process_kasumi_hash_op(struct rte_crypto_op **ops,
 265                 struct kasumi_session *session,
 266                 uint8_t num_ops)
 267 {
 268         unsigned i;
 269         uint8_t processed_ops = 0;
 270         uint8_t *src, *dst;
 271         uint32_t length_in_bits;
 272         uint32_t num_bytes;
 273
 274         for (i = 0; i < num_ops; i++) {
 275                 /* Data must be byte aligned */
 276                 if ((ops[i]->sym->auth.data.offset % BYTE_LEN) != 0) {
 277                         ops[i]->status = RTE_CRYPTO_OP_STATUS_INVALID_ARGS;
 278                         KASUMI_LOG_ERR("offset");
 279                         break;
 280                 }
 281
 282                 length_in_bits = ops[i]->sym->auth.data.length;
 283
 284                 src = rte_pktmbuf_mtod(ops[i]->sym->m_src, uint8_t *) +
 285                                 (ops[i]->sym->auth.data.offset >> 3);
 286                 /* Direction from next bit after end of message */
 287                 num_bytes = length_in_bits >> 3;
 288
 289                 if (session->auth_op == RTE_CRYPTO_AUTH_OP_VERIFY) {
 290                         dst = (uint8_t *)rte_pktmbuf_append(ops[i]->sym->m_src,
 291                                         KASUMI_DIGEST_LENGTH);
 292                         sso_kasumi_f9_1_buffer(&session->pKeySched_hash, src,
 293                                         num_bytes, dst);
 294
 295                         /* Verify digest. */
 296                         if (memcmp(dst, ops[i]->sym->auth.digest.data,
 297                                         KASUMI_DIGEST_LENGTH) != 0)
 298                                 ops[i]->status = RTE_CRYPTO_OP_STATUS_AUTH_FAILED;
 299
 300                         /* Trim area used for digest from mbuf. */
 301                         rte_pktmbuf_trim(ops[i]->sym->m_src,
 302                                         KASUMI_DIGEST_LENGTH);
 303                 } else  {
 304                         dst = ops[i]->sym->auth.digest.data;
 305
 306                         sso_kasumi_f9_1_buffer(&session->pKeySched_hash, src,
 307                                         num_bytes, dst);
 308                 }
 309                 processed_ops++;
 310         }
 311
 312         return processed_ops;
 313 }
 314
 315 /** Process a batch of crypto ops which shares the same session. */
 316 static int
 317 process_ops(struct rte_crypto_op **ops, struct kasumi_session *session,
 318                 struct kasumi_qp *qp, uint8_t num_ops,
 319                 uint16_t *accumulated_enqueued_ops)
 320 {
 321         unsigned i;
 322         unsigned enqueued_ops, processed_ops;
 323
 324         switch (session->op) {
 325         case KASUMI_OP_ONLY_CIPHER:
 326                 processed_ops = process_kasumi_cipher_op(ops,
 327                                 session, num_ops);
 328                 break;
 329         case KASUMI_OP_ONLY_AUTH:
 330                 processed_ops = process_kasumi_hash_op(ops, session,
 331                                 num_ops);
 332                 break;
 333         case KASUMI_OP_CIPHER_AUTH:
 334                 processed_ops = process_kasumi_cipher_op(ops, session,
 335                                 num_ops);
 336                 process_kasumi_hash_op(ops, session, processed_ops);
 337                 break;
 338         case KASUMI_OP_AUTH_CIPHER:
 339                 processed_ops = process_kasumi_hash_op(ops, session,
 340                                 num_ops);
 341                 process_kasumi_cipher_op(ops, session, processed_ops);
 342                 break;
 343         default:
 344                 /* Operation not supported. */
 345                 processed_ops = 0;
 346         }
 347
 348         for (i = 0; i < num_ops; i++) {
 349                 /*
 350                  * If there was no error/authentication failure,
 351                  * change status to successful.
 352                  */
 353                 if (ops[i]->status == RTE_CRYPTO_OP_STATUS_NOT_PROCESSED)
 354                         ops[i]->status = RTE_CRYPTO_OP_STATUS_SUCCESS;
 355                 /* Free session if a session-less crypto op. */
 356                 if (ops[i]->sess_type == RTE_CRYPTO_OP_SESSIONLESS) {
 357                         memset(session, 0, sizeof(struct kasumi_session));
 358                         memset(ops[i]->sym->session, 0,
 359                                         rte_cryptodev_get_header_session_size());
 360                         rte_mempool_put(qp->sess_mp, session);
 361                         rte_mempool_put(qp->sess_mp, ops[i]->sym->session);
 362                         ops[i]->sym->session = NULL;
 363                 }
 364         }
 365
 366         enqueued_ops = rte_ring_enqueue_burst(qp->processed_ops,
 367                                 (void **)ops, processed_ops, NULL);
 368         qp->qp_stats.enqueued_count += enqueued_ops;
 369         *accumulated_enqueued_ops += enqueued_ops;
 370
 371         return enqueued_ops;
 372 }
 373
 374 /** Process a crypto op with length/offset in bits. */
 375 static int
 376 process_op_bit(struct rte_crypto_op *op, struct kasumi_session *session,
 377                 struct kasumi_qp *qp, uint16_t *accumulated_enqueued_ops)
 378 {
 379         unsigned enqueued_op, processed_op;
 380
 381         switch (session->op) {
 382         case KASUMI_OP_ONLY_CIPHER:
 383                 processed_op = process_kasumi_cipher_op_bit(op,
 384                                 session);
 385                 break;
 386         case KASUMI_OP_ONLY_AUTH:
 387                 processed_op = process_kasumi_hash_op(&op, session, 1);
 388                 break;
 389         case KASUMI_OP_CIPHER_AUTH:
 390                 processed_op = process_kasumi_cipher_op_bit(op, session);
 391                 if (processed_op == 1)
 392                         process_kasumi_hash_op(&op, session, 1);
 393                 break;
 394         case KASUMI_OP_AUTH_CIPHER:
 395                 processed_op = process_kasumi_hash_op(&op, session, 1);
 396                 if (processed_op == 1)
 397                         process_kasumi_cipher_op_bit(op, session);
 398                 break;
 399         default:
 400                 /* Operation not supported. */
 401                 processed_op = 0;
 402         }
 403
 404         /*
 405          * If there was no error/authentication failure,
 406          * change status to successful.
 407          */
 408         if (op->status == RTE_CRYPTO_OP_STATUS_NOT_PROCESSED)
 409                 op->status = RTE_CRYPTO_OP_STATUS_SUCCESS;
 410
 411         /* Free session if a session-less crypto op. */
 412         if (op->sess_type == RTE_CRYPTO_OP_SESSIONLESS) {
 413                 memset(op->sym->session, 0, sizeof(struct kasumi_session));
 414                 rte_cryptodev_sym_session_free(op->sym->session);
 415                 op->sym->session = NULL;
 416         }
 417
 418         enqueued_op = rte_ring_enqueue_burst(qp->processed_ops, (void **)&op,
 419                                 processed_op, NULL);
 420         qp->qp_stats.enqueued_count += enqueued_op;
 421         *accumulated_enqueued_ops += enqueued_op;
 422
 423         return enqueued_op;
 424 }
 425
 426 static uint16_t
 427 kasumi_pmd_enqueue_burst(void *queue_pair, struct rte_crypto_op **ops,
 428                 uint16_t nb_ops)
 429 {
 430         struct rte_crypto_op *c_ops[nb_ops];
 431         struct rte_crypto_op *curr_c_op;
 432
 433         struct kasumi_session *prev_sess = NULL, *curr_sess = NULL;
 434         struct kasumi_qp *qp = queue_pair;
 435         unsigned i;
 436         uint8_t burst_size = 0;
 437         uint16_t enqueued_ops = 0;
 438         uint8_t processed_ops;
 439
 440         for (i = 0; i < nb_ops; i++) {
 441                 curr_c_op = ops[i];
 442
 443 #ifdef RTE_LIBRTE_PMD_KASUMI_DEBUG
 444                 if (!rte_pktmbuf_is_contiguous(curr_c_op->sym->m_src) ||
 445                                 (curr_c_op->sym->m_dst != NULL &&
 446                                 !rte_pktmbuf_is_contiguous(
 447                                                 curr_c_op->sym->m_dst))) {
 448                         KASUMI_LOG_ERR("PMD supports only contiguous mbufs, "
 449                                 "op (%p) provides noncontiguous mbuf as "
 450                                 "source/destination buffer.\n", curr_c_op);
 451                         curr_c_op->status = RTE_CRYPTO_OP_STATUS_INVALID_ARGS;
 452                         break;
 453                 }
 454 #endif
 455
 456                 /* Set status as enqueued (not processed yet) by default. */
 457                 curr_c_op->status = RTE_CRYPTO_OP_STATUS_NOT_PROCESSED;
 458
 459                 curr_sess = kasumi_get_session(qp, curr_c_op);
 460                 if (unlikely(curr_sess == NULL ||
 461                                 curr_sess->op == KASUMI_OP_NOT_SUPPORTED)) {
 462                         curr_c_op->status =
 463                                         RTE_CRYPTO_OP_STATUS_INVALID_SESSION;
 464                         break;
 465                 }
 466
 467                 /* If length/offset is at bit-level, process this buffer alone. */
 468                 if (((curr_c_op->sym->cipher.data.length % BYTE_LEN) != 0)
 469                                 || ((ops[i]->sym->cipher.data.offset
 470                                         % BYTE_LEN) != 0)) {
 471                         /* Process the ops of the previous session. */
 472                         if (prev_sess != NULL) {
 473                                 processed_ops = process_ops(c_ops, prev_sess,
 474                                                 qp, burst_size, &enqueued_ops);
 475                                 if (processed_ops < burst_size) {
 476                                         burst_size = 0;
 477                                         break;
 478                                 }
 479
 480                                 burst_size = 0;
 481                                 prev_sess = NULL;
 482                         }
 483
 484                         processed_ops = process_op_bit(curr_c_op, curr_sess,
 485                                                 qp, &enqueued_ops);
 486                         if (processed_ops != 1)
 487                                 break;
 488
 489                         continue;
 490                 }
 491
 492                 /* Batch ops that share the same session. */
 493                 if (prev_sess == NULL) {
 494                         prev_sess = curr_sess;
 495                         c_ops[burst_size++] = curr_c_op;
 496                 } else if (curr_sess == prev_sess) {
 497                         c_ops[burst_size++] = curr_c_op;
 498                         /*
 499                          * When there are enough ops to process in a batch,
 500                          * process them, and start a new batch.
 501                          */
 502                         if (burst_size == KASUMI_MAX_BURST) {
 503                                 processed_ops = process_ops(c_ops, prev_sess,
 504                                                 qp, burst_size, &enqueued_ops);
 505                                 if (processed_ops < burst_size) {
 506                                         burst_size = 0;
 507                                         break;
 508                                 }
 509
 510                                 burst_size = 0;
 511                                 prev_sess = NULL;
 512                         }
 513                 } else {
 514                         /*
 515                          * Different session, process the ops
 516                          * of the previous session.
 517                          */
 518                         processed_ops = process_ops(c_ops, prev_sess,
 519                                         qp, burst_size, &enqueued_ops);
 520                         if (processed_ops < burst_size) {
 521                                 burst_size = 0;
 522                                 break;
 523                         }
 524
 525                         burst_size = 0;
 526                         prev_sess = curr_sess;
 527
 528                         c_ops[burst_size++] = curr_c_op;
 529                 }
 530         }
 531
 532         if (burst_size != 0) {
 533                 /* Process the crypto ops of the last session. */
 534                 processed_ops = process_ops(c_ops, prev_sess,
 535                                 qp, burst_size, &enqueued_ops);
 536         }
 537
 538         qp->qp_stats.enqueue_err_count += nb_ops - enqueued_ops;
 539         return enqueued_ops;
 540 }
 541
 542 static uint16_t
 543 kasumi_pmd_dequeue_burst(void *queue_pair,
 544                 struct rte_crypto_op **c_ops, uint16_t nb_ops)
 545 {
 546         struct kasumi_qp *qp = queue_pair;
 547
 548         unsigned nb_dequeued;
 549
 550         nb_dequeued = rte_ring_dequeue_burst(qp->processed_ops,
 551                         (void **)c_ops, nb_ops, NULL);
 552         qp->qp_stats.dequeued_count += nb_dequeued;
 553
 554         return nb_dequeued;
 555 }
 556
 557 static int cryptodev_kasumi_remove(struct rte_vdev_device *vdev);
 558
 559 static int
 560 cryptodev_kasumi_create(const char *name,
 561                         struct rte_vdev_device *vdev,
 562                         struct rte_crypto_vdev_init_params *init_params)
 563 {
 564         struct rte_cryptodev *dev;
 565         struct kasumi_private *internals;
 566         uint64_t cpu_flags = 0;
 567
 568         if (init_params->name[0] == '\0')
 569                 snprintf(init_params->name, sizeof(init_params->name),
 570                                 "%s", name);
 571
 572         /* Check CPU for supported vector instruction set */
 573         if (rte_cpu_get_flag_enabled(RTE_CPUFLAG_AVX))
 574                 cpu_flags |= RTE_CRYPTODEV_FF_CPU_AVX;
 575         else
 576                 cpu_flags |= RTE_CRYPTODEV_FF_CPU_SSE;
 577
 578         dev = rte_cryptodev_vdev_pmd_init(init_params->name,
 579                         sizeof(struct kasumi_private), init_params->socket_id,
 580                         vdev);
 581         if (dev == NULL) {
 582                 KASUMI_LOG_ERR("failed to create cryptodev vdev");
 583                 goto init_error;
 584         }
 585
 586         dev->driver_id = cryptodev_driver_id;
 587         dev->dev_ops = rte_kasumi_pmd_ops;
 588
 589         /* Register RX/TX burst functions for data path. */
 590         dev->dequeue_burst = kasumi_pmd_dequeue_burst;
 591         dev->enqueue_burst = kasumi_pmd_enqueue_burst;
 592
 593         dev->feature_flags = RTE_CRYPTODEV_FF_SYMMETRIC_CRYPTO |
 594                         RTE_CRYPTODEV_FF_SYM_OPERATION_CHAINING |
 595                         cpu_flags;
 596
 597         internals = dev->data->dev_private;
 598
 599         internals->max_nb_queue_pairs = init_params->max_nb_queue_pairs;
 600         internals->max_nb_sessions = init_params->max_nb_sessions;
 601
 602         return 0;
 603 init_error:
 604         KASUMI_LOG_ERR("driver %s: cryptodev_kasumi_create failed",
 605                         init_params->name);
 606
 607         cryptodev_kasumi_remove(vdev);
 608         return -EFAULT;
 609 }
 610
 611 static int
 612 cryptodev_kasumi_probe(struct rte_vdev_device *vdev)
 613 {
 614         struct rte_crypto_vdev_init_params init_params = {
 615                 RTE_CRYPTODEV_VDEV_DEFAULT_MAX_NB_QUEUE_PAIRS,
 616                 RTE_CRYPTODEV_VDEV_DEFAULT_MAX_NB_SESSIONS,
 617                 rte_socket_id(),
 618                 {0}
 619         };
 620         const char *name;
 621         const char *input_args;
 622
 623         name = rte_vdev_device_name(vdev);
 624         if (name == NULL)
 625                 return -EINVAL;
 626         input_args = rte_vdev_device_args(vdev);
 627
 628         rte_cryptodev_vdev_parse_init_params(&init_params, input_args);
 629
 630         RTE_LOG(INFO, PMD, "Initialising %s on NUMA node %d\n", name,
 631                         init_params.socket_id);
 632         if (init_params.name[0] != '\0')
 633                 RTE_LOG(INFO, PMD, "  User defined name = %s\n",
 634                         init_params.name);
 635         RTE_LOG(INFO, PMD, "  Max number of queue pairs = %d\n",
 636                         init_params.max_nb_queue_pairs);
 637         RTE_LOG(INFO, PMD, "  Max number of sessions = %d\n",
 638                         init_params.max_nb_sessions);
 639
 640         return cryptodev_kasumi_create(name, vdev, &init_params);
 641 }
 642
 643 static int
 644 cryptodev_kasumi_remove(struct rte_vdev_device *vdev)
 645 {
 646         const char *name;
 647
 648         name = rte_vdev_device_name(vdev);
 649         if (name == NULL)
 650                 return -EINVAL;
 651
 652         RTE_LOG(INFO, PMD, "Closing KASUMI crypto device %s"
 653                         " on numa socket %u\n",
 654                         name, rte_socket_id());
 655
 656         return 0;
 657 }
 658
 659 static struct rte_vdev_driver cryptodev_kasumi_pmd_drv = {
 660         .probe = cryptodev_kasumi_probe,
 661         .remove = cryptodev_kasumi_remove
 662 };
 663
 664 RTE_PMD_REGISTER_VDEV(CRYPTODEV_NAME_KASUMI_PMD, cryptodev_kasumi_pmd_drv);
 665 RTE_PMD_REGISTER_ALIAS(CRYPTODEV_NAME_KASUMI_PMD, cryptodev_kasumi_pmd);
 666 RTE_PMD_REGISTER_PARAM_STRING(CRYPTODEV_NAME_KASUMI_PMD,
 667         "max_nb_queue_pairs=<int> "
 668         "max_nb_sessions=<int> "
 669         "socket_id=<int>");
 670 RTE_PMD_REGISTER_CRYPTO_DRIVER(cryptodev_kasumi_pmd_drv, cryptodev_driver_id);