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 /** 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 -EINVAL;
 113         }
 114
 115         if (cipher_xform) {
 116                 /* Only KASUMI F8 supported */
 117                 if (cipher_xform->cipher.algo != RTE_CRYPTO_CIPHER_KASUMI_F8)
 118                         return -EINVAL;
 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 -EINVAL;
 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                 sess->auth_iv_offset = auth_xform->auth.iv.offset;
 144                 if (auth_xform->auth.iv.length != KASUMI_IV_LENGTH) {
 145                         KASUMI_LOG_ERR("Wrong IV length");
 146                         return -EINVAL;
 147                 }
 148
 149                 /* Initialize key */
 150                 sso_kasumi_init_f9_key_sched(auth_xform->auth.key.data,
 151                                 &sess->pKeySched_hash);
 152         }
 153
 154
 155         sess->op = mode;
 156
 157         return 0;
 158 }
 159
 160 /** Get KASUMI session. */
 161 static struct kasumi_session *
 162 kasumi_get_session(struct kasumi_qp *qp, struct rte_crypto_op *op)
 163 {
 164         struct kasumi_session *sess;
 165
 166         if (op->sess_type == RTE_CRYPTO_OP_WITH_SESSION) {
 167                 if (unlikely(op->sym->session->dev_type !=
 168                                 RTE_CRYPTODEV_KASUMI_PMD))
 169                         return NULL;
 170
 171                 sess = (struct kasumi_session *)op->sym->session->_private;
 172         } else  {
 173                 struct rte_cryptodev_session *c_sess = NULL;
 174
 175                 if (rte_mempool_get(qp->sess_mp, (void **)&c_sess))
 176                         return NULL;
 177
 178                 sess = (struct kasumi_session *)c_sess->_private;
 179
 180                 if (unlikely(kasumi_set_session_parameters(sess,
 181                                 op->sym->xform) != 0))
 182                         return NULL;
 183         }
 184
 185         return sess;
 186 }
 187
 188 /** Encrypt/decrypt mbufs with same cipher key. */
 189 static uint8_t
 190 process_kasumi_cipher_op(struct rte_crypto_op **ops,
 191                 struct kasumi_session *session,
 192                 uint8_t num_ops)
 193 {
 194         unsigned i;
 195         uint8_t processed_ops = 0;
 196         uint8_t *src[num_ops], *dst[num_ops];
 197         uint8_t *iv_ptr;
 198         uint64_t iv[num_ops];
 199         uint32_t num_bytes[num_ops];
 200
 201         for (i = 0; i < num_ops; i++) {
 202                 src[i] = rte_pktmbuf_mtod(ops[i]->sym->m_src, uint8_t *) +
 203                                 (ops[i]->sym->cipher.data.offset >> 3);
 204                 dst[i] = ops[i]->sym->m_dst ?
 205                         rte_pktmbuf_mtod(ops[i]->sym->m_dst, uint8_t *) +
 206                                 (ops[i]->sym->cipher.data.offset >> 3) :
 207                         rte_pktmbuf_mtod(ops[i]->sym->m_src, uint8_t *) +
 208                                 (ops[i]->sym->cipher.data.offset >> 3);
 209                 iv_ptr = rte_crypto_op_ctod_offset(ops[i], uint8_t *,
 210                                 session->cipher_iv_offset);
 211                 iv[i] = *((uint64_t *)(iv_ptr));
 212                 num_bytes[i] = ops[i]->sym->cipher.data.length >> 3;
 213
 214                 processed_ops++;
 215         }
 216
 217         if (processed_ops != 0)
 218                 sso_kasumi_f8_n_buffer(&session->pKeySched_cipher, iv,
 219                         src, dst, num_bytes, processed_ops);
 220
 221         return processed_ops;
 222 }
 223
 224 /** Encrypt/decrypt mbuf (bit level function). */
 225 static uint8_t
 226 process_kasumi_cipher_op_bit(struct rte_crypto_op *op,
 227                 struct kasumi_session *session)
 228 {
 229         uint8_t *src, *dst;
 230         uint8_t *iv_ptr;
 231         uint64_t iv;
 232         uint32_t length_in_bits, offset_in_bits;
 233
 234         offset_in_bits = op->sym->cipher.data.offset;
 235         src = rte_pktmbuf_mtod(op->sym->m_src, uint8_t *);
 236         if (op->sym->m_dst == NULL) {
 237                 op->status = RTE_CRYPTO_OP_STATUS_INVALID_ARGS;
 238                 KASUMI_LOG_ERR("bit-level in-place not supported\n");
 239                 return 0;
 240         }
 241         dst = rte_pktmbuf_mtod(op->sym->m_dst, uint8_t *);
 242         iv_ptr = rte_crypto_op_ctod_offset(op, uint8_t *,
 243                         session->cipher_iv_offset);
 244         iv = *((uint64_t *)(iv_ptr));
 245         length_in_bits = op->sym->cipher.data.length;
 246
 247         sso_kasumi_f8_1_buffer_bit(&session->pKeySched_cipher, iv,
 248                         src, dst, length_in_bits, offset_in_bits);
 249
 250         return 1;
 251 }
 252
 253 /** Generate/verify hash from mbufs with same hash key. */
 254 static int
 255 process_kasumi_hash_op(struct rte_crypto_op **ops,
 256                 struct kasumi_session *session,
 257                 uint8_t num_ops)
 258 {
 259         unsigned i;
 260         uint8_t processed_ops = 0;
 261         uint8_t *src, *dst;
 262         uint8_t *iv_ptr;
 263         uint32_t length_in_bits;
 264         uint32_t num_bytes;
 265         uint32_t shift_bits;
 266         uint64_t iv;
 267         uint8_t direction;
 268
 269         for (i = 0; i < num_ops; i++) {
 270                 /* Data must be byte aligned */
 271                 if ((ops[i]->sym->auth.data.offset % BYTE_LEN) != 0) {
 272                         ops[i]->status = RTE_CRYPTO_OP_STATUS_INVALID_ARGS;
 273                         KASUMI_LOG_ERR("offset");
 274                         break;
 275                 }
 276
 277                 length_in_bits = ops[i]->sym->auth.data.length;
 278
 279                 src = rte_pktmbuf_mtod(ops[i]->sym->m_src, uint8_t *) +
 280                                 (ops[i]->sym->auth.data.offset >> 3);
 281                 iv_ptr = rte_crypto_op_ctod_offset(ops[i], uint8_t *,
 282                                 session->auth_iv_offset);
 283                 iv = *((uint64_t *)(iv_ptr));
 284                 /* Direction from next bit after end of message */
 285                 num_bytes = (length_in_bits >> 3) + 1;
 286                 shift_bits = (BYTE_LEN - 1 - length_in_bits) % BYTE_LEN;
 287                 direction = (src[num_bytes - 1] >> shift_bits) & 0x01;
 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
 293                         sso_kasumi_f9_1_buffer_user(&session->pKeySched_hash,
 294                                         iv, src,
 295                                         length_in_bits, dst, direction);
 296                         /* Verify digest. */
 297                         if (memcmp(dst, ops[i]->sym->auth.digest.data,
 298                                         KASUMI_DIGEST_LENGTH) != 0)
 299                                 ops[i]->status = RTE_CRYPTO_OP_STATUS_AUTH_FAILED;
 300
 301                         /* Trim area used for digest from mbuf. */
 302                         rte_pktmbuf_trim(ops[i]->sym->m_src,
 303                                         KASUMI_DIGEST_LENGTH);
 304                 } else  {
 305                         dst = ops[i]->sym->auth.digest.data;
 306
 307                         sso_kasumi_f9_1_buffer_user(&session->pKeySched_hash,
 308                                         iv, src,
 309                                         length_in_bits, dst, direction);
 310                 }
 311                 processed_ops++;
 312         }
 313
 314         return processed_ops;
 315 }
 316
 317 /** Process a batch of crypto ops which shares the same session. */
 318 static int
 319 process_ops(struct rte_crypto_op **ops, struct kasumi_session *session,
 320                 struct kasumi_qp *qp, uint8_t num_ops,
 321                 uint16_t *accumulated_enqueued_ops)
 322 {
 323         unsigned i;
 324         unsigned enqueued_ops, processed_ops;
 325
 326         switch (session->op) {
 327         case KASUMI_OP_ONLY_CIPHER:
 328                 processed_ops = process_kasumi_cipher_op(ops,
 329                                 session, num_ops);
 330                 break;
 331         case KASUMI_OP_ONLY_AUTH:
 332                 processed_ops = process_kasumi_hash_op(ops, session,
 333                                 num_ops);
 334                 break;
 335         case KASUMI_OP_CIPHER_AUTH:
 336                 processed_ops = process_kasumi_cipher_op(ops, session,
 337                                 num_ops);
 338                 process_kasumi_hash_op(ops, session, processed_ops);
 339                 break;
 340         case KASUMI_OP_AUTH_CIPHER:
 341                 processed_ops = process_kasumi_hash_op(ops, session,
 342                                 num_ops);
 343                 process_kasumi_cipher_op(ops, session, processed_ops);
 344                 break;
 345         default:
 346                 /* Operation not supported. */
 347                 processed_ops = 0;
 348         }
 349
 350         for (i = 0; i < num_ops; i++) {
 351                 /*
 352                  * If there was no error/authentication failure,
 353                  * change status to successful.
 354                  */
 355                 if (ops[i]->status == RTE_CRYPTO_OP_STATUS_NOT_PROCESSED)
 356                         ops[i]->status = RTE_CRYPTO_OP_STATUS_SUCCESS;
 357                 /* Free session if a session-less crypto op. */
 358                 if (ops[i]->sess_type == RTE_CRYPTO_OP_SESSIONLESS) {
 359                         rte_mempool_put(qp->sess_mp, ops[i]->sym->session);
 360                         ops[i]->sym->session = NULL;
 361                 }
 362         }
 363
 364         enqueued_ops = rte_ring_enqueue_burst(qp->processed_ops,
 365                                 (void **)ops, processed_ops, NULL);
 366         qp->qp_stats.enqueued_count += enqueued_ops;
 367         *accumulated_enqueued_ops += enqueued_ops;
 368
 369         return enqueued_ops;
 370 }
 371
 372 /** Process a crypto op with length/offset in bits. */
 373 static int
 374 process_op_bit(struct rte_crypto_op *op, struct kasumi_session *session,
 375                 struct kasumi_qp *qp, uint16_t *accumulated_enqueued_ops)
 376 {
 377         unsigned enqueued_op, processed_op;
 378
 379         switch (session->op) {
 380         case KASUMI_OP_ONLY_CIPHER:
 381                 processed_op = process_kasumi_cipher_op_bit(op,
 382                                 session);
 383                 break;
 384         case KASUMI_OP_ONLY_AUTH:
 385                 processed_op = process_kasumi_hash_op(&op, session, 1);
 386                 break;
 387         case KASUMI_OP_CIPHER_AUTH:
 388                 processed_op = process_kasumi_cipher_op_bit(op, session);
 389                 if (processed_op == 1)
 390                         process_kasumi_hash_op(&op, session, 1);
 391                 break;
 392         case KASUMI_OP_AUTH_CIPHER:
 393                 processed_op = process_kasumi_hash_op(&op, session, 1);
 394                 if (processed_op == 1)
 395                         process_kasumi_cipher_op_bit(op, session);
 396                 break;
 397         default:
 398                 /* Operation not supported. */
 399                 processed_op = 0;
 400         }
 401
 402         /*
 403          * If there was no error/authentication failure,
 404          * change status to successful.
 405          */
 406         if (op->status == RTE_CRYPTO_OP_STATUS_NOT_PROCESSED)
 407                 op->status = RTE_CRYPTO_OP_STATUS_SUCCESS;
 408
 409         /* Free session if a session-less crypto op. */
 410         if (op->sess_type == RTE_CRYPTO_OP_SESSIONLESS) {
 411                 rte_mempool_put(qp->sess_mp, op->sym->session);
 412                 op->sym->session = NULL;
 413         }
 414
 415         enqueued_op = rte_ring_enqueue_burst(qp->processed_ops, (void **)&op,
 416                                 processed_op, NULL);
 417         qp->qp_stats.enqueued_count += enqueued_op;
 418         *accumulated_enqueued_ops += enqueued_op;
 419
 420         return enqueued_op;
 421 }
 422
 423 static uint16_t
 424 kasumi_pmd_enqueue_burst(void *queue_pair, struct rte_crypto_op **ops,
 425                 uint16_t nb_ops)
 426 {
 427         struct rte_crypto_op *c_ops[nb_ops];
 428         struct rte_crypto_op *curr_c_op;
 429
 430         struct kasumi_session *prev_sess = NULL, *curr_sess = NULL;
 431         struct kasumi_qp *qp = queue_pair;
 432         unsigned i;
 433         uint8_t burst_size = 0;
 434         uint16_t enqueued_ops = 0;
 435         uint8_t processed_ops;
 436
 437         for (i = 0; i < nb_ops; i++) {
 438                 curr_c_op = ops[i];
 439
 440 #ifdef RTE_LIBRTE_PMD_KASUMI_DEBUG
 441                 if (!rte_pktmbuf_is_contiguous(curr_c_op->sym->m_src) ||
 442                                 (curr_c_op->sym->m_dst != NULL &&
 443                                 !rte_pktmbuf_is_contiguous(
 444                                                 curr_c_op->sym->m_dst))) {
 445                         KASUMI_LOG_ERR("PMD supports only contiguous mbufs, "
 446                                 "op (%p) provides noncontiguous mbuf as "
 447                                 "source/destination buffer.\n", curr_c_op);
 448                         curr_c_op->status = RTE_CRYPTO_OP_STATUS_INVALID_ARGS;
 449                         break;
 450                 }
 451 #endif
 452
 453                 /* Set status as enqueued (not processed yet) by default. */
 454                 curr_c_op->status = RTE_CRYPTO_OP_STATUS_NOT_PROCESSED;
 455
 456                 curr_sess = kasumi_get_session(qp, curr_c_op);
 457                 if (unlikely(curr_sess == NULL ||
 458                                 curr_sess->op == KASUMI_OP_NOT_SUPPORTED)) {
 459                         curr_c_op->status =
 460                                         RTE_CRYPTO_OP_STATUS_INVALID_SESSION;
 461                         break;
 462                 }
 463
 464                 /* If length/offset is at bit-level, process this buffer alone. */
 465                 if (((curr_c_op->sym->cipher.data.length % BYTE_LEN) != 0)
 466                                 || ((ops[i]->sym->cipher.data.offset
 467                                         % BYTE_LEN) != 0)) {
 468                         /* Process the ops of the previous session. */
 469                         if (prev_sess != NULL) {
 470                                 processed_ops = process_ops(c_ops, prev_sess,
 471                                                 qp, burst_size, &enqueued_ops);
 472                                 if (processed_ops < burst_size) {
 473                                         burst_size = 0;
 474                                         break;
 475                                 }
 476
 477                                 burst_size = 0;
 478                                 prev_sess = NULL;
 479                         }
 480
 481                         processed_ops = process_op_bit(curr_c_op, curr_sess,
 482                                                 qp, &enqueued_ops);
 483                         if (processed_ops != 1)
 484                                 break;
 485
 486                         continue;
 487                 }
 488
 489                 /* Batch ops that share the same session. */
 490                 if (prev_sess == NULL) {
 491                         prev_sess = curr_sess;
 492                         c_ops[burst_size++] = curr_c_op;
 493                 } else if (curr_sess == prev_sess) {
 494                         c_ops[burst_size++] = curr_c_op;
 495                         /*
 496                          * When there are enough ops to process in a batch,
 497                          * process them, and start a new batch.
 498                          */
 499                         if (burst_size == KASUMI_MAX_BURST) {
 500                                 processed_ops = process_ops(c_ops, prev_sess,
 501                                                 qp, burst_size, &enqueued_ops);
 502                                 if (processed_ops < burst_size) {
 503                                         burst_size = 0;
 504                                         break;
 505                                 }
 506
 507                                 burst_size = 0;
 508                                 prev_sess = NULL;
 509                         }
 510                 } else {
 511                         /*
 512                          * Different session, process the ops
 513                          * of the previous session.
 514                          */
 515                         processed_ops = process_ops(c_ops, prev_sess,
 516                                         qp, burst_size, &enqueued_ops);
 517                         if (processed_ops < burst_size) {
 518                                 burst_size = 0;
 519                                 break;
 520                         }
 521
 522                         burst_size = 0;
 523                         prev_sess = curr_sess;
 524
 525                         c_ops[burst_size++] = curr_c_op;
 526                 }
 527         }
 528
 529         if (burst_size != 0) {
 530                 /* Process the crypto ops of the last session. */
 531                 processed_ops = process_ops(c_ops, prev_sess,
 532                                 qp, burst_size, &enqueued_ops);
 533         }
 534
 535         qp->qp_stats.enqueue_err_count += nb_ops - enqueued_ops;
 536         return enqueued_ops;
 537 }
 538
 539 static uint16_t
 540 kasumi_pmd_dequeue_burst(void *queue_pair,
 541                 struct rte_crypto_op **c_ops, uint16_t nb_ops)
 542 {
 543         struct kasumi_qp *qp = queue_pair;
 544
 545         unsigned nb_dequeued;
 546
 547         nb_dequeued = rte_ring_dequeue_burst(qp->processed_ops,
 548                         (void **)c_ops, nb_ops, NULL);
 549         qp->qp_stats.dequeued_count += nb_dequeued;
 550
 551         return nb_dequeued;
 552 }
 553
 554 static int cryptodev_kasumi_remove(struct rte_vdev_device *vdev);
 555
 556 static int
 557 cryptodev_kasumi_create(const char *name,
 558                         struct rte_vdev_device *vdev,
 559                         struct rte_crypto_vdev_init_params *init_params)
 560 {
 561         struct rte_cryptodev *dev;
 562         struct kasumi_private *internals;
 563         uint64_t cpu_flags = 0;
 564
 565         if (init_params->name[0] == '\0')
 566                 snprintf(init_params->name, sizeof(init_params->name),
 567                                 "%s", name);
 568
 569         /* Check CPU for supported vector instruction set */
 570         if (rte_cpu_get_flag_enabled(RTE_CPUFLAG_AVX))
 571                 cpu_flags |= RTE_CRYPTODEV_FF_CPU_AVX;
 572         else
 573                 cpu_flags |= RTE_CRYPTODEV_FF_CPU_SSE;
 574
 575         dev = rte_cryptodev_vdev_pmd_init(init_params->name,
 576                         sizeof(struct kasumi_private), init_params->socket_id,
 577                         vdev);
 578         if (dev == NULL) {
 579                 KASUMI_LOG_ERR("failed to create cryptodev vdev");
 580                 goto init_error;
 581         }
 582
 583         dev->dev_type = RTE_CRYPTODEV_KASUMI_PMD;
 584         dev->dev_ops = rte_kasumi_pmd_ops;
 585
 586         /* Register RX/TX burst functions for data path. */
 587         dev->dequeue_burst = kasumi_pmd_dequeue_burst;
 588         dev->enqueue_burst = kasumi_pmd_enqueue_burst;
 589
 590         dev->feature_flags = RTE_CRYPTODEV_FF_SYMMETRIC_CRYPTO |
 591                         RTE_CRYPTODEV_FF_SYM_OPERATION_CHAINING |
 592                         cpu_flags;
 593
 594         internals = dev->data->dev_private;
 595
 596         internals->max_nb_queue_pairs = init_params->max_nb_queue_pairs;
 597         internals->max_nb_sessions = init_params->max_nb_sessions;
 598
 599         return 0;
 600 init_error:
 601         KASUMI_LOG_ERR("driver %s: cryptodev_kasumi_create failed",
 602                         init_params->name);
 603
 604         cryptodev_kasumi_remove(vdev);
 605         return -EFAULT;
 606 }
 607
 608 static int
 609 cryptodev_kasumi_probe(struct rte_vdev_device *vdev)
 610 {
 611         struct rte_crypto_vdev_init_params init_params = {
 612                 RTE_CRYPTODEV_VDEV_DEFAULT_MAX_NB_QUEUE_PAIRS,
 613                 RTE_CRYPTODEV_VDEV_DEFAULT_MAX_NB_SESSIONS,
 614                 rte_socket_id(),
 615                 {0}
 616         };
 617         const char *name;
 618         const char *input_args;
 619
 620         name = rte_vdev_device_name(vdev);
 621         if (name == NULL)
 622                 return -EINVAL;
 623         input_args = rte_vdev_device_args(vdev);
 624
 625         rte_cryptodev_vdev_parse_init_params(&init_params, input_args);
 626
 627         RTE_LOG(INFO, PMD, "Initialising %s on NUMA node %d\n", name,
 628                         init_params.socket_id);
 629         if (init_params.name[0] != '\0')
 630                 RTE_LOG(INFO, PMD, "  User defined name = %s\n",
 631                         init_params.name);
 632         RTE_LOG(INFO, PMD, "  Max number of queue pairs = %d\n",
 633                         init_params.max_nb_queue_pairs);
 634         RTE_LOG(INFO, PMD, "  Max number of sessions = %d\n",
 635                         init_params.max_nb_sessions);
 636
 637         return cryptodev_kasumi_create(name, vdev, &init_params);
 638 }
 639
 640 static int
 641 cryptodev_kasumi_remove(struct rte_vdev_device *vdev)
 642 {
 643         const char *name;
 644
 645         name = rte_vdev_device_name(vdev);
 646         if (name == NULL)
 647                 return -EINVAL;
 648
 649         RTE_LOG(INFO, PMD, "Closing KASUMI crypto device %s"
 650                         " on numa socket %u\n",
 651                         name, rte_socket_id());
 652
 653         return 0;
 654 }
 655
 656 static struct rte_vdev_driver cryptodev_kasumi_pmd_drv = {
 657         .probe = cryptodev_kasumi_probe,
 658         .remove = cryptodev_kasumi_remove
 659 };
 660
 661 RTE_PMD_REGISTER_VDEV(CRYPTODEV_NAME_KASUMI_PMD, cryptodev_kasumi_pmd_drv);
 662 RTE_PMD_REGISTER_ALIAS(CRYPTODEV_NAME_KASUMI_PMD, cryptodev_kasumi_pmd);
 663 RTE_PMD_REGISTER_PARAM_STRING(CRYPTODEV_NAME_KASUMI_PMD,
 664         "max_nb_queue_pairs=<int> "
 665         "max_nb_sessions=<int> "
 666         "socket_id=<int>");