drivers/crypto/kasumi/rte_kasumi_pmd.c

   1 /*-
   2  *   BSD LICENSE
   3  *
   4  *   Copyright(c) 2016 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_dev.h>
  39 #include <rte_malloc.h>
  40 #include <rte_cpuflags.h>
  41 #include <rte_kvargs.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 /**
  52  * Global static parameter used to create a unique name for each KASUMI
  53  * crypto device.
  54  */
  55 static unsigned unique_name_id;
  56
  57 static inline int
  58 create_unique_device_name(char *name, size_t size)
  59 {
  60         int ret;
  61
  62         if (name == NULL)
  63                 return -EINVAL;
  64
  65         ret = snprintf(name, size, "%s_%u", CRYPTODEV_NAME_KASUMI_PMD,
  66                         unique_name_id++);
  67         if (ret < 0)
  68                 return ret;
  69         return 0;
  70 }
  71
  72 /** Get xform chain order. */
  73 static enum kasumi_operation
  74 kasumi_get_mode(const struct rte_crypto_sym_xform *xform)
  75 {
  76         if (xform == NULL)
  77                 return KASUMI_OP_NOT_SUPPORTED;
  78
  79         if (xform->next)
  80                 if (xform->next->next != NULL)
  81                         return KASUMI_OP_NOT_SUPPORTED;
  82
  83         if (xform->type == RTE_CRYPTO_SYM_XFORM_AUTH) {
  84                 if (xform->next == NULL)
  85                         return KASUMI_OP_ONLY_AUTH;
  86                 else if (xform->next->type == RTE_CRYPTO_SYM_XFORM_CIPHER)
  87                         return KASUMI_OP_AUTH_CIPHER;
  88                 else
  89                         return KASUMI_OP_NOT_SUPPORTED;
  90         }
  91
  92         if (xform->type == RTE_CRYPTO_SYM_XFORM_CIPHER) {
  93                 if (xform->next == NULL)
  94                         return KASUMI_OP_ONLY_CIPHER;
  95                 else if (xform->next->type == RTE_CRYPTO_SYM_XFORM_AUTH)
  96                         return KASUMI_OP_CIPHER_AUTH;
  97                 else
  98                         return KASUMI_OP_NOT_SUPPORTED;
  99         }
 100
 101         return KASUMI_OP_NOT_SUPPORTED;
 102 }
 103
 104
 105 /** Parse crypto xform chain and set private session parameters. */
 106 int
 107 kasumi_set_session_parameters(struct kasumi_session *sess,
 108                 const struct rte_crypto_sym_xform *xform)
 109 {
 110         const struct rte_crypto_sym_xform *auth_xform = NULL;
 111         const struct rte_crypto_sym_xform *cipher_xform = NULL;
 112         int mode;
 113
 114         /* Select Crypto operation - hash then cipher / cipher then hash */
 115         mode = kasumi_get_mode(xform);
 116
 117         switch (mode) {
 118         case KASUMI_OP_CIPHER_AUTH:
 119                 auth_xform = xform->next;
 120                 /* Fall-through */
 121         case KASUMI_OP_ONLY_CIPHER:
 122                 cipher_xform = xform;
 123                 break;
 124         case KASUMI_OP_AUTH_CIPHER:
 125                 cipher_xform = xform->next;
 126                 /* Fall-through */
 127         case KASUMI_OP_ONLY_AUTH:
 128                 auth_xform = xform;
 129         }
 130
 131         if (mode == KASUMI_OP_NOT_SUPPORTED) {
 132                 KASUMI_LOG_ERR("Unsupported operation chain order parameter");
 133                 return -EINVAL;
 134         }
 135
 136         if (cipher_xform) {
 137                 /* Only KASUMI F8 supported */
 138                 if (cipher_xform->cipher.algo != RTE_CRYPTO_CIPHER_KASUMI_F8)
 139                         return -EINVAL;
 140                 /* Initialize key */
 141                 sso_kasumi_init_f8_key_sched(xform->cipher.key.data,
 142                                 &sess->pKeySched_cipher);
 143         }
 144
 145         if (auth_xform) {
 146                 /* Only KASUMI F9 supported */
 147                 if (auth_xform->auth.algo != RTE_CRYPTO_AUTH_KASUMI_F9)
 148                         return -EINVAL;
 149                 sess->auth_op = auth_xform->auth.op;
 150                 /* Initialize key */
 151                 sso_kasumi_init_f9_key_sched(xform->auth.key.data,
 152                                 &sess->pKeySched_hash);
 153         }
 154
 155
 156         sess->op = mode;
 157
 158         return 0;
 159 }
 160
 161 /** Get KASUMI session. */
 162 static struct kasumi_session *
 163 kasumi_get_session(struct kasumi_qp *qp, struct rte_crypto_op *op)
 164 {
 165         struct kasumi_session *sess;
 166
 167         if (op->sym->sess_type == RTE_CRYPTO_SYM_OP_WITH_SESSION) {
 168                 if (unlikely(op->sym->session->dev_type !=
 169                                 RTE_CRYPTODEV_KASUMI_PMD))
 170                         return NULL;
 171
 172                 sess = (struct kasumi_session *)op->sym->session->_private;
 173         } else  {
 174                 struct rte_cryptodev_session *c_sess = NULL;
 175
 176                 if (rte_mempool_get(qp->sess_mp, (void **)&c_sess))
 177                         return NULL;
 178
 179                 sess = (struct kasumi_session *)c_sess->_private;
 180
 181                 if (unlikely(kasumi_set_session_parameters(sess,
 182                                 op->sym->xform) != 0))
 183                         return NULL;
 184         }
 185
 186         return sess;
 187 }
 188
 189 /** Encrypt/decrypt mbufs with same cipher key. */
 190 static uint8_t
 191 process_kasumi_cipher_op(struct rte_crypto_op **ops,
 192                 struct kasumi_session *session,
 193                 uint8_t num_ops)
 194 {
 195         unsigned i;
 196         uint8_t processed_ops = 0;
 197         uint8_t *src[num_ops], *dst[num_ops];
 198         uint64_t IV[num_ops];
 199         uint32_t num_bytes[num_ops];
 200
 201         for (i = 0; i < num_ops; i++) {
 202                 /* Sanity checks. */
 203                 if (ops[i]->sym->cipher.iv.length != KASUMI_IV_LENGTH) {
 204                         ops[i]->status = RTE_CRYPTO_OP_STATUS_INVALID_ARGS;
 205                         KASUMI_LOG_ERR("iv");
 206                         break;
 207                 }
 208
 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[i] = *((uint64_t *)(ops[i]->sym->cipher.iv.data));
 217                 num_bytes[i] = ops[i]->sym->cipher.data.length >> 3;
 218
 219                 processed_ops++;
 220         }
 221
 222         if (processed_ops != 0)
 223                 sso_kasumi_f8_n_buffer(&session->pKeySched_cipher, IV,
 224                         src, dst, num_bytes, processed_ops);
 225
 226         return processed_ops;
 227 }
 228
 229 /** Encrypt/decrypt mbuf (bit level function). */
 230 static uint8_t
 231 process_kasumi_cipher_op_bit(struct rte_crypto_op *op,
 232                 struct kasumi_session *session)
 233 {
 234         uint8_t *src, *dst;
 235         uint64_t IV;
 236         uint32_t length_in_bits, offset_in_bits;
 237
 238         /* Sanity checks. */
 239         if (unlikely(op->sym->cipher.iv.length != KASUMI_IV_LENGTH)) {
 240                 op->status = RTE_CRYPTO_OP_STATUS_INVALID_ARGS;
 241                 KASUMI_LOG_ERR("iv");
 242                 return 0;
 243         }
 244
 245         offset_in_bits = op->sym->cipher.data.offset;
 246         src = rte_pktmbuf_mtod(op->sym->m_src, uint8_t *);
 247         dst = op->sym->m_dst ?
 248                 rte_pktmbuf_mtod(op->sym->m_dst, uint8_t *) :
 249                 rte_pktmbuf_mtod(op->sym->m_src, uint8_t *);
 250         IV = *((uint64_t *)(op->sym->cipher.iv.data));
 251         length_in_bits = op->sym->cipher.data.length;
 252
 253         sso_kasumi_f8_1_buffer_bit(&session->pKeySched_cipher, IV,
 254                         src, dst, length_in_bits, offset_in_bits);
 255
 256         return 1;
 257 }
 258
 259 /** Generate/verify hash from mbufs with same hash key. */
 260 static int
 261 process_kasumi_hash_op(struct rte_crypto_op **ops,
 262                 struct kasumi_session *session,
 263                 uint8_t num_ops)
 264 {
 265         unsigned i;
 266         uint8_t processed_ops = 0;
 267         uint8_t *src, *dst;
 268         uint32_t length_in_bits;
 269         uint32_t num_bytes;
 270         uint32_t shift_bits;
 271         uint64_t IV;
 272         uint8_t direction;
 273
 274         for (i = 0; i < num_ops; i++) {
 275                 if (unlikely(ops[i]->sym->auth.aad.length != KASUMI_IV_LENGTH)) {
 276                         ops[i]->status = RTE_CRYPTO_OP_STATUS_INVALID_ARGS;
 277                         KASUMI_LOG_ERR("aad");
 278                         break;
 279                 }
 280
 281                 if (unlikely(ops[i]->sym->auth.digest.length != KASUMI_DIGEST_LENGTH)) {
 282                         ops[i]->status = RTE_CRYPTO_OP_STATUS_INVALID_ARGS;
 283                         KASUMI_LOG_ERR("digest");
 284                         break;
 285                 }
 286
 287                 /* Data must be byte aligned */
 288                 if ((ops[i]->sym->auth.data.offset % BYTE_LEN) != 0) {
 289                         ops[i]->status = RTE_CRYPTO_OP_STATUS_INVALID_ARGS;
 290                         KASUMI_LOG_ERR("offset");
 291                         break;
 292                 }
 293
 294                 length_in_bits = ops[i]->sym->auth.data.length;
 295
 296                 src = rte_pktmbuf_mtod(ops[i]->sym->m_src, uint8_t *) +
 297                                 (ops[i]->sym->auth.data.offset >> 3);
 298                 /* IV from AAD */
 299                 IV = *((uint64_t *)(ops[i]->sym->auth.aad.data));
 300                 /* Direction from next bit after end of message */
 301                 num_bytes = (length_in_bits >> 3) + 1;
 302                 shift_bits = (BYTE_LEN - 1 - length_in_bits) % BYTE_LEN;
 303                 direction = (src[num_bytes - 1] >> shift_bits) & 0x01;
 304
 305                 if (session->auth_op == RTE_CRYPTO_AUTH_OP_VERIFY) {
 306                         dst = (uint8_t *)rte_pktmbuf_append(ops[i]->sym->m_src,
 307                                         ops[i]->sym->auth.digest.length);
 308
 309                         sso_kasumi_f9_1_buffer_user(&session->pKeySched_hash,
 310                                         IV, src,
 311                                         length_in_bits, dst, direction);
 312                         /* Verify digest. */
 313                         if (memcmp(dst, ops[i]->sym->auth.digest.data,
 314                                         ops[i]->sym->auth.digest.length) != 0)
 315                                 ops[i]->status = RTE_CRYPTO_OP_STATUS_AUTH_FAILED;
 316
 317                         /* Trim area used for digest from mbuf. */
 318                         rte_pktmbuf_trim(ops[i]->sym->m_src,
 319                                         ops[i]->sym->auth.digest.length);
 320                 } else  {
 321                         dst = ops[i]->sym->auth.digest.data;
 322
 323                         sso_kasumi_f9_1_buffer_user(&session->pKeySched_hash,
 324                                         IV, src,
 325                                         length_in_bits, dst, direction);
 326                 }
 327                 processed_ops++;
 328         }
 329
 330         return processed_ops;
 331 }
 332
 333 /** Process a batch of crypto ops which shares the same session. */
 334 static int
 335 process_ops(struct rte_crypto_op **ops, struct kasumi_session *session,
 336                 struct kasumi_qp *qp, uint8_t num_ops,
 337                 uint16_t *accumulated_enqueued_ops)
 338 {
 339         unsigned i;
 340         unsigned enqueued_ops, processed_ops;
 341
 342         switch (session->op) {
 343         case KASUMI_OP_ONLY_CIPHER:
 344                 processed_ops = process_kasumi_cipher_op(ops,
 345                                 session, num_ops);
 346                 break;
 347         case KASUMI_OP_ONLY_AUTH:
 348                 processed_ops = process_kasumi_hash_op(ops, session,
 349                                 num_ops);
 350                 break;
 351         case KASUMI_OP_CIPHER_AUTH:
 352                 processed_ops = process_kasumi_cipher_op(ops, session,
 353                                 num_ops);
 354                 process_kasumi_hash_op(ops, session, processed_ops);
 355                 break;
 356         case KASUMI_OP_AUTH_CIPHER:
 357                 processed_ops = process_kasumi_hash_op(ops, session,
 358                                 num_ops);
 359                 process_kasumi_cipher_op(ops, session, processed_ops);
 360                 break;
 361         default:
 362                 /* Operation not supported. */
 363                 processed_ops = 0;
 364         }
 365
 366         for (i = 0; i < num_ops; i++) {
 367                 /*
 368                  * If there was no error/authentication failure,
 369                  * change status to successful.
 370                  */
 371                 if (ops[i]->status == RTE_CRYPTO_OP_STATUS_NOT_PROCESSED)
 372                         ops[i]->status = RTE_CRYPTO_OP_STATUS_SUCCESS;
 373                 /* Free session if a session-less crypto op. */
 374                 if (ops[i]->sym->sess_type == RTE_CRYPTO_SYM_OP_SESSIONLESS) {
 375                         rte_mempool_put(qp->sess_mp, ops[i]->sym->session);
 376                         ops[i]->sym->session = NULL;
 377                 }
 378         }
 379
 380         enqueued_ops = rte_ring_enqueue_burst(qp->processed_ops,
 381                                 (void **)ops, processed_ops);
 382         qp->qp_stats.enqueued_count += enqueued_ops;
 383         *accumulated_enqueued_ops += enqueued_ops;
 384
 385         return enqueued_ops;
 386 }
 387
 388 /** Process a crypto op with length/offset in bits. */
 389 static int
 390 process_op_bit(struct rte_crypto_op *op, struct kasumi_session *session,
 391                 struct kasumi_qp *qp, uint16_t *accumulated_enqueued_ops)
 392 {
 393         unsigned enqueued_op, processed_op;
 394
 395         switch (session->op) {
 396         case KASUMI_OP_ONLY_CIPHER:
 397                 processed_op = process_kasumi_cipher_op_bit(op,
 398                                 session);
 399                 break;
 400         case KASUMI_OP_ONLY_AUTH:
 401                 processed_op = process_kasumi_hash_op(&op, session, 1);
 402                 break;
 403         case KASUMI_OP_CIPHER_AUTH:
 404                 processed_op = process_kasumi_cipher_op_bit(op, session);
 405                 if (processed_op == 1)
 406                         process_kasumi_hash_op(&op, session, 1);
 407                 break;
 408         case KASUMI_OP_AUTH_CIPHER:
 409                 processed_op = process_kasumi_hash_op(&op, session, 1);
 410                 if (processed_op == 1)
 411                         process_kasumi_cipher_op_bit(op, session);
 412                 break;
 413         default:
 414                 /* Operation not supported. */
 415                 processed_op = 0;
 416         }
 417
 418         /*
 419          * If there was no error/authentication failure,
 420          * change status to successful.
 421          */
 422         if (op->status == RTE_CRYPTO_OP_STATUS_NOT_PROCESSED)
 423                 op->status = RTE_CRYPTO_OP_STATUS_SUCCESS;
 424
 425         /* Free session if a session-less crypto op. */
 426         if (op->sym->sess_type == RTE_CRYPTO_SYM_OP_SESSIONLESS) {
 427                 rte_mempool_put(qp->sess_mp, op->sym->session);
 428                 op->sym->session = NULL;
 429         }
 430
 431         enqueued_op = rte_ring_enqueue_burst(qp->processed_ops, (void **)&op,
 432                                 processed_op);
 433         qp->qp_stats.enqueued_count += enqueued_op;
 434         *accumulated_enqueued_ops += enqueued_op;
 435
 436         return enqueued_op;
 437 }
 438
 439 static uint16_t
 440 kasumi_pmd_enqueue_burst(void *queue_pair, struct rte_crypto_op **ops,
 441                 uint16_t nb_ops)
 442 {
 443         struct rte_crypto_op *c_ops[nb_ops];
 444         struct rte_crypto_op *curr_c_op;
 445
 446         struct kasumi_session *prev_sess = NULL, *curr_sess = NULL;
 447         struct kasumi_qp *qp = queue_pair;
 448         unsigned i;
 449         uint8_t burst_size = 0;
 450         uint16_t enqueued_ops = 0;
 451         uint8_t processed_ops;
 452
 453         for (i = 0; i < nb_ops; i++) {
 454                 curr_c_op = ops[i];
 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);
 552         qp->qp_stats.dequeued_count += nb_dequeued;
 553
 554         return nb_dequeued;
 555 }
 556
 557 static int cryptodev_kasumi_uninit(const char *name);
 558
 559 static int
 560 cryptodev_kasumi_create(const char *name,
 561                 struct rte_crypto_vdev_init_params *init_params)
 562 {
 563         struct rte_cryptodev *dev;
 564         char crypto_dev_name[RTE_CRYPTODEV_NAME_MAX_LEN];
 565         struct kasumi_private *internals;
 566         uint64_t cpu_flags = 0;
 567
 568         /* Check CPU for supported vector instruction set */
 569         if (rte_cpu_get_flag_enabled(RTE_CPUFLAG_AVX))
 570                 cpu_flags |= RTE_CRYPTODEV_FF_CPU_AVX;
 571         else if (rte_cpu_get_flag_enabled(RTE_CPUFLAG_SSE4_1))
 572                 cpu_flags |= RTE_CRYPTODEV_FF_CPU_SSE;
 573         else {
 574                 KASUMI_LOG_ERR("Vector instructions are not supported by CPU");
 575                 return -EFAULT;
 576         }
 577
 578         /* Create a unique device name. */
 579         if (create_unique_device_name(crypto_dev_name,
 580                         RTE_CRYPTODEV_NAME_MAX_LEN) != 0) {
 581                 KASUMI_LOG_ERR("failed to create unique cryptodev name");
 582                 return -EINVAL;
 583         }
 584
 585         dev = rte_cryptodev_pmd_virtual_dev_init(crypto_dev_name,
 586                         sizeof(struct kasumi_private), init_params->socket_id);
 587         if (dev == NULL) {
 588                 KASUMI_LOG_ERR("failed to create cryptodev vdev");
 589                 goto init_error;
 590         }
 591
 592         dev->dev_type = RTE_CRYPTODEV_KASUMI_PMD;
 593         dev->dev_ops = rte_kasumi_pmd_ops;
 594
 595         /* Register RX/TX burst functions for data path. */
 596         dev->dequeue_burst = kasumi_pmd_dequeue_burst;
 597         dev->enqueue_burst = kasumi_pmd_enqueue_burst;
 598
 599         dev->feature_flags = RTE_CRYPTODEV_FF_SYMMETRIC_CRYPTO |
 600                         RTE_CRYPTODEV_FF_SYM_OPERATION_CHAINING |
 601                         cpu_flags;
 602
 603         internals = dev->data->dev_private;
 604
 605         internals->max_nb_queue_pairs = init_params->max_nb_queue_pairs;
 606         internals->max_nb_sessions = init_params->max_nb_sessions;
 607
 608         return 0;
 609 init_error:
 610         KASUMI_LOG_ERR("driver %s: cryptodev_kasumi_create failed", name);
 611
 612         cryptodev_kasumi_uninit(crypto_dev_name);
 613         return -EFAULT;
 614 }
 615
 616 static int
 617 cryptodev_kasumi_init(const char *name,
 618                 const char *input_args)
 619 {
 620         struct rte_crypto_vdev_init_params init_params = {
 621                 RTE_CRYPTODEV_VDEV_DEFAULT_MAX_NB_QUEUE_PAIRS,
 622                 RTE_CRYPTODEV_VDEV_DEFAULT_MAX_NB_SESSIONS,
 623                 rte_socket_id()
 624         };
 625
 626         rte_cryptodev_parse_vdev_init_params(&init_params, input_args);
 627
 628         RTE_LOG(INFO, PMD, "Initialising %s on NUMA node %d\n", name,
 629                         init_params.socket_id);
 630         RTE_LOG(INFO, PMD, "  Max number of queue pairs = %d\n",
 631                         init_params.max_nb_queue_pairs);
 632         RTE_LOG(INFO, PMD, "  Max number of sessions = %d\n",
 633                         init_params.max_nb_sessions);
 634
 635         return cryptodev_kasumi_create(name, &init_params);
 636 }
 637
 638 static int
 639 cryptodev_kasumi_uninit(const char *name)
 640 {
 641         if (name == NULL)
 642                 return -EINVAL;
 643
 644         RTE_LOG(INFO, PMD, "Closing KASUMI crypto device %s"
 645                         " on numa socket %u\n",
 646                         name, rte_socket_id());
 647
 648         return 0;
 649 }
 650
 651 static struct rte_driver cryptodev_kasumi_pmd_drv = {
 652         .name = CRYPTODEV_NAME_KASUMI_PMD,
 653         .type = PMD_VDEV,
 654         .init = cryptodev_kasumi_init,
 655         .uninit = cryptodev_kasumi_uninit
 656 };
 657
 658 PMD_REGISTER_DRIVER(cryptodev_kasumi_pmd_drv);