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