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 -EINVAL;
 115         }
 116
 117         if (cipher_xform) {
 118                 /* Only KASUMI F8 supported */
 119                 if (cipher_xform->cipher.algo != RTE_CRYPTO_CIPHER_KASUMI_F8)
 120                         return -EINVAL;
 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 -EINVAL;
 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                 sess->auth_iv_offset = auth_xform->auth.iv.offset;
 146                 if (auth_xform->auth.iv.length != KASUMI_IV_LENGTH) {
 147                         KASUMI_LOG_ERR("Wrong IV length");
 148                         return -EINVAL;
 149                 }
 150
 151                 /* Initialize key */
 152                 sso_kasumi_init_f9_key_sched(auth_xform->auth.key.data,
 153                                 &sess->pKeySched_hash);
 154         }
 155
 156
 157         sess->op = mode;
 158
 159         return 0;
 160 }
 161
 162 /** Get KASUMI session. */
 163 static struct kasumi_session *
 164 kasumi_get_session(struct kasumi_qp *qp, struct rte_crypto_op *op)
 165 {
 166         struct kasumi_session *sess;
 167
 168         if (op->sess_type == RTE_CRYPTO_OP_WITH_SESSION) {
 169                 if (unlikely(op->sym->session->driver_id !=
 170                                 cryptodev_driver_id))
 171                         return NULL;
 172
 173                 sess = (struct kasumi_session *)op->sym->session->_private;
 174         } else  {
 175                 struct rte_cryptodev_sym_session *c_sess = NULL;
 176
 177                 if (rte_mempool_get(qp->sess_mp, (void **)&c_sess))
 178                         return NULL;
 179
 180                 sess = (struct kasumi_session *)c_sess->_private;
 181
 182                 if (unlikely(kasumi_set_session_parameters(sess,
 183                                 op->sym->xform) != 0))
 184                         return NULL;
 185         }
 186
 187         return sess;
 188 }
 189
 190 /** Encrypt/decrypt mbufs with same cipher key. */
 191 static uint8_t
 192 process_kasumi_cipher_op(struct rte_crypto_op **ops,
 193                 struct kasumi_session *session,
 194                 uint8_t num_ops)
 195 {
 196         unsigned i;
 197         uint8_t processed_ops = 0;
 198         uint8_t *src[num_ops], *dst[num_ops];
 199         uint8_t *iv_ptr;
 200         uint64_t iv[num_ops];
 201         uint32_t num_bytes[num_ops];
 202
 203         for (i = 0; i < num_ops; i++) {
 204                 src[i] = rte_pktmbuf_mtod(ops[i]->sym->m_src, uint8_t *) +
 205                                 (ops[i]->sym->cipher.data.offset >> 3);
 206                 dst[i] = ops[i]->sym->m_dst ?
 207                         rte_pktmbuf_mtod(ops[i]->sym->m_dst, uint8_t *) +
 208                                 (ops[i]->sym->cipher.data.offset >> 3) :
 209                         rte_pktmbuf_mtod(ops[i]->sym->m_src, uint8_t *) +
 210                                 (ops[i]->sym->cipher.data.offset >> 3);
 211                 iv_ptr = rte_crypto_op_ctod_offset(ops[i], uint8_t *,
 212                                 session->cipher_iv_offset);
 213                 iv[i] = *((uint64_t *)(iv_ptr));
 214                 num_bytes[i] = ops[i]->sym->cipher.data.length >> 3;
 215
 216                 processed_ops++;
 217         }
 218
 219         if (processed_ops != 0)
 220                 sso_kasumi_f8_n_buffer(&session->pKeySched_cipher, iv,
 221                         src, dst, num_bytes, processed_ops);
 222
 223         return processed_ops;
 224 }
 225
 226 /** Encrypt/decrypt mbuf (bit level function). */
 227 static uint8_t
 228 process_kasumi_cipher_op_bit(struct rte_crypto_op *op,
 229                 struct kasumi_session *session)
 230 {
 231         uint8_t *src, *dst;
 232         uint8_t *iv_ptr;
 233         uint64_t iv;
 234         uint32_t length_in_bits, offset_in_bits;
 235
 236         offset_in_bits = op->sym->cipher.data.offset;
 237         src = rte_pktmbuf_mtod(op->sym->m_src, uint8_t *);
 238         if (op->sym->m_dst == NULL) {
 239                 op->status = RTE_CRYPTO_OP_STATUS_INVALID_ARGS;
 240                 KASUMI_LOG_ERR("bit-level in-place not supported\n");
 241                 return 0;
 242         }
 243         dst = rte_pktmbuf_mtod(op->sym->m_dst, uint8_t *);
 244         iv_ptr = rte_crypto_op_ctod_offset(op, uint8_t *,
 245                         session->cipher_iv_offset);
 246         iv = *((uint64_t *)(iv_ptr));
 247         length_in_bits = op->sym->cipher.data.length;
 248
 249         sso_kasumi_f8_1_buffer_bit(&session->pKeySched_cipher, iv,
 250                         src, dst, length_in_bits, offset_in_bits);
 251
 252         return 1;
 253 }
 254
 255 /** Generate/verify hash from mbufs with same hash key. */
 256 static int
 257 process_kasumi_hash_op(struct rte_crypto_op **ops,
 258                 struct kasumi_session *session,
 259                 uint8_t num_ops)
 260 {
 261         unsigned i;
 262         uint8_t processed_ops = 0;
 263         uint8_t *src, *dst;
 264         uint8_t *iv_ptr;
 265         uint32_t length_in_bits;
 266         uint32_t num_bytes;
 267         uint32_t shift_bits;
 268         uint64_t iv;
 269         uint8_t direction;
 270
 271         for (i = 0; i < num_ops; i++) {
 272                 /* Data must be byte aligned */
 273                 if ((ops[i]->sym->auth.data.offset % BYTE_LEN) != 0) {
 274                         ops[i]->status = RTE_CRYPTO_OP_STATUS_INVALID_ARGS;
 275                         KASUMI_LOG_ERR("offset");
 276                         break;
 277                 }
 278
 279                 length_in_bits = ops[i]->sym->auth.data.length;
 280
 281                 src = rte_pktmbuf_mtod(ops[i]->sym->m_src, uint8_t *) +
 282                                 (ops[i]->sym->auth.data.offset >> 3);
 283                 iv_ptr = rte_crypto_op_ctod_offset(ops[i], uint8_t *,
 284                                 session->auth_iv_offset);
 285                 iv = *((uint64_t *)(iv_ptr));
 286                 /* Direction from next bit after end of message */
 287                 num_bytes = (length_in_bits >> 3) + 1;
 288                 shift_bits = (BYTE_LEN - 1 - length_in_bits) % BYTE_LEN;
 289                 direction = (src[num_bytes - 1] >> shift_bits) & 0x01;
 290
 291                 if (session->auth_op == RTE_CRYPTO_AUTH_OP_VERIFY) {
 292                         dst = (uint8_t *)rte_pktmbuf_append(ops[i]->sym->m_src,
 293                                         KASUMI_DIGEST_LENGTH);
 294
 295                         sso_kasumi_f9_1_buffer_user(&session->pKeySched_hash,
 296                                         iv, src,
 297                                         length_in_bits, dst, direction);
 298                         /* Verify digest. */
 299                         if (memcmp(dst, ops[i]->sym->auth.digest.data,
 300                                         KASUMI_DIGEST_LENGTH) != 0)
 301                                 ops[i]->status = RTE_CRYPTO_OP_STATUS_AUTH_FAILED;
 302
 303                         /* Trim area used for digest from mbuf. */
 304                         rte_pktmbuf_trim(ops[i]->sym->m_src,
 305                                         KASUMI_DIGEST_LENGTH);
 306                 } else  {
 307                         dst = ops[i]->sym->auth.digest.data;
 308
 309                         sso_kasumi_f9_1_buffer_user(&session->pKeySched_hash,
 310                                         iv, src,
 311                                         length_in_bits, dst, direction);
 312                 }
 313                 processed_ops++;
 314         }
 315
 316         return processed_ops;
 317 }
 318
 319 /** Process a batch of crypto ops which shares the same session. */
 320 static int
 321 process_ops(struct rte_crypto_op **ops, struct kasumi_session *session,
 322                 struct kasumi_qp *qp, uint8_t num_ops,
 323                 uint16_t *accumulated_enqueued_ops)
 324 {
 325         unsigned i;
 326         unsigned enqueued_ops, processed_ops;
 327
 328         switch (session->op) {
 329         case KASUMI_OP_ONLY_CIPHER:
 330                 processed_ops = process_kasumi_cipher_op(ops,
 331                                 session, num_ops);
 332                 break;
 333         case KASUMI_OP_ONLY_AUTH:
 334                 processed_ops = process_kasumi_hash_op(ops, session,
 335                                 num_ops);
 336                 break;
 337         case KASUMI_OP_CIPHER_AUTH:
 338                 processed_ops = process_kasumi_cipher_op(ops, session,
 339                                 num_ops);
 340                 process_kasumi_hash_op(ops, session, processed_ops);
 341                 break;
 342         case KASUMI_OP_AUTH_CIPHER:
 343                 processed_ops = process_kasumi_hash_op(ops, session,
 344                                 num_ops);
 345                 process_kasumi_cipher_op(ops, session, processed_ops);
 346                 break;
 347         default:
 348                 /* Operation not supported. */
 349                 processed_ops = 0;
 350         }
 351
 352         for (i = 0; i < num_ops; i++) {
 353                 /*
 354                  * If there was no error/authentication failure,
 355                  * change status to successful.
 356                  */
 357                 if (ops[i]->status == RTE_CRYPTO_OP_STATUS_NOT_PROCESSED)
 358                         ops[i]->status = RTE_CRYPTO_OP_STATUS_SUCCESS;
 359                 /* Free session if a session-less crypto op. */
 360                 if (ops[i]->sess_type == RTE_CRYPTO_OP_SESSIONLESS) {
 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                 rte_mempool_put(qp->sess_mp, op->sym->session);
 414                 op->sym->session = NULL;
 415         }
 416
 417         enqueued_op = rte_ring_enqueue_burst(qp->processed_ops, (void **)&op,
 418                                 processed_op, NULL);
 419         qp->qp_stats.enqueued_count += enqueued_op;
 420         *accumulated_enqueued_ops += enqueued_op;
 421
 422         return enqueued_op;
 423 }
 424
 425 static uint16_t
 426 kasumi_pmd_enqueue_burst(void *queue_pair, struct rte_crypto_op **ops,
 427                 uint16_t nb_ops)
 428 {
 429         struct rte_crypto_op *c_ops[nb_ops];
 430         struct rte_crypto_op *curr_c_op;
 431
 432         struct kasumi_session *prev_sess = NULL, *curr_sess = NULL;
 433         struct kasumi_qp *qp = queue_pair;
 434         unsigned i;
 435         uint8_t burst_size = 0;
 436         uint16_t enqueued_ops = 0;
 437         uint8_t processed_ops;
 438
 439         for (i = 0; i < nb_ops; i++) {
 440                 curr_c_op = ops[i];
 441
 442 #ifdef RTE_LIBRTE_PMD_KASUMI_DEBUG
 443                 if (!rte_pktmbuf_is_contiguous(curr_c_op->sym->m_src) ||
 444                                 (curr_c_op->sym->m_dst != NULL &&
 445                                 !rte_pktmbuf_is_contiguous(
 446                                                 curr_c_op->sym->m_dst))) {
 447                         KASUMI_LOG_ERR("PMD supports only contiguous mbufs, "
 448                                 "op (%p) provides noncontiguous mbuf as "
 449                                 "source/destination buffer.\n", curr_c_op);
 450                         curr_c_op->status = RTE_CRYPTO_OP_STATUS_INVALID_ARGS;
 451                         break;
 452                 }
 453 #endif
 454
 455                 /* Set status as enqueued (not processed yet) by default. */
 456                 curr_c_op->status = RTE_CRYPTO_OP_STATUS_NOT_PROCESSED;
 457
 458                 curr_sess = kasumi_get_session(qp, curr_c_op);
 459                 if (unlikely(curr_sess == NULL ||
 460                                 curr_sess->op == KASUMI_OP_NOT_SUPPORTED)) {
 461                         curr_c_op->status =
 462                                         RTE_CRYPTO_OP_STATUS_INVALID_SESSION;
 463                         break;
 464                 }
 465
 466                 /* If length/offset is at bit-level, process this buffer alone. */
 467                 if (((curr_c_op->sym->cipher.data.length % BYTE_LEN) != 0)
 468                                 || ((ops[i]->sym->cipher.data.offset
 469                                         % BYTE_LEN) != 0)) {
 470                         /* Process the ops of the previous session. */
 471                         if (prev_sess != NULL) {
 472                                 processed_ops = process_ops(c_ops, prev_sess,
 473                                                 qp, burst_size, &enqueued_ops);
 474                                 if (processed_ops < burst_size) {
 475                                         burst_size = 0;
 476                                         break;
 477                                 }
 478
 479                                 burst_size = 0;
 480                                 prev_sess = NULL;
 481                         }
 482
 483                         processed_ops = process_op_bit(curr_c_op, curr_sess,
 484                                                 qp, &enqueued_ops);
 485                         if (processed_ops != 1)
 486                                 break;
 487
 488                         continue;
 489                 }
 490
 491                 /* Batch ops that share the same session. */
 492                 if (prev_sess == NULL) {
 493                         prev_sess = curr_sess;
 494                         c_ops[burst_size++] = curr_c_op;
 495                 } else if (curr_sess == prev_sess) {
 496                         c_ops[burst_size++] = curr_c_op;
 497                         /*
 498                          * When there are enough ops to process in a batch,
 499                          * process them, and start a new batch.
 500                          */
 501                         if (burst_size == KASUMI_MAX_BURST) {
 502                                 processed_ops = process_ops(c_ops, prev_sess,
 503                                                 qp, burst_size, &enqueued_ops);
 504                                 if (processed_ops < burst_size) {
 505                                         burst_size = 0;
 506                                         break;
 507                                 }
 508
 509                                 burst_size = 0;
 510                                 prev_sess = NULL;
 511                         }
 512                 } else {
 513                         /*
 514                          * Different session, process the ops
 515                          * of the previous session.
 516                          */
 517                         processed_ops = process_ops(c_ops, prev_sess,
 518                                         qp, burst_size, &enqueued_ops);
 519                         if (processed_ops < burst_size) {
 520                                 burst_size = 0;
 521                                 break;
 522                         }
 523
 524                         burst_size = 0;
 525                         prev_sess = curr_sess;
 526
 527                         c_ops[burst_size++] = curr_c_op;
 528                 }
 529         }
 530
 531         if (burst_size != 0) {
 532                 /* Process the crypto ops of the last session. */
 533                 processed_ops = process_ops(c_ops, prev_sess,
 534                                 qp, burst_size, &enqueued_ops);
 535         }
 536
 537         qp->qp_stats.enqueue_err_count += nb_ops - enqueued_ops;
 538         return enqueued_ops;
 539 }
 540
 541 static uint16_t
 542 kasumi_pmd_dequeue_burst(void *queue_pair,
 543                 struct rte_crypto_op **c_ops, uint16_t nb_ops)
 544 {
 545         struct kasumi_qp *qp = queue_pair;
 546
 547         unsigned nb_dequeued;
 548
 549         nb_dequeued = rte_ring_dequeue_burst(qp->processed_ops,
 550                         (void **)c_ops, nb_ops, NULL);
 551         qp->qp_stats.dequeued_count += nb_dequeued;
 552
 553         return nb_dequeued;
 554 }
 555
 556 static int cryptodev_kasumi_remove(struct rte_vdev_device *vdev);
 557
 558 static int
 559 cryptodev_kasumi_create(const char *name,
 560                         struct rte_vdev_device *vdev,
 561                         struct rte_crypto_vdev_init_params *init_params)
 562 {
 563         struct rte_cryptodev *dev;
 564         struct kasumi_private *internals;
 565         uint64_t cpu_flags = 0;
 566
 567         if (init_params->name[0] == '\0')
 568                 snprintf(init_params->name, sizeof(init_params->name),
 569                                 "%s", name);
 570
 571         /* Check CPU for supported vector instruction set */
 572         if (rte_cpu_get_flag_enabled(RTE_CPUFLAG_AVX))
 573                 cpu_flags |= RTE_CRYPTODEV_FF_CPU_AVX;
 574         else
 575                 cpu_flags |= RTE_CRYPTODEV_FF_CPU_SSE;
 576
 577         dev = rte_cryptodev_vdev_pmd_init(init_params->name,
 578                         sizeof(struct kasumi_private), init_params->socket_id,
 579                         vdev);
 580         if (dev == NULL) {
 581                 KASUMI_LOG_ERR("failed to create cryptodev vdev");
 582                 goto init_error;
 583         }
 584
 585         dev->driver_id = cryptodev_driver_id;
 586         dev->dev_ops = rte_kasumi_pmd_ops;
 587
 588         /* Register RX/TX burst functions for data path. */
 589         dev->dequeue_burst = kasumi_pmd_dequeue_burst;
 590         dev->enqueue_burst = kasumi_pmd_enqueue_burst;
 591
 592         dev->feature_flags = RTE_CRYPTODEV_FF_SYMMETRIC_CRYPTO |
 593                         RTE_CRYPTODEV_FF_SYM_OPERATION_CHAINING |
 594                         cpu_flags;
 595
 596         internals = dev->data->dev_private;
 597
 598         internals->max_nb_queue_pairs = init_params->max_nb_queue_pairs;
 599         internals->max_nb_sessions = init_params->max_nb_sessions;
 600
 601         return 0;
 602 init_error:
 603         KASUMI_LOG_ERR("driver %s: cryptodev_kasumi_create failed",
 604                         init_params->name);
 605
 606         cryptodev_kasumi_remove(vdev);
 607         return -EFAULT;
 608 }
 609
 610 static int
 611 cryptodev_kasumi_probe(struct rte_vdev_device *vdev)
 612 {
 613         struct rte_crypto_vdev_init_params init_params = {
 614                 RTE_CRYPTODEV_VDEV_DEFAULT_MAX_NB_QUEUE_PAIRS,
 615                 RTE_CRYPTODEV_VDEV_DEFAULT_MAX_NB_SESSIONS,
 616                 rte_socket_id(),
 617                 {0}
 618         };
 619         const char *name;
 620         const char *input_args;
 621
 622         name = rte_vdev_device_name(vdev);
 623         if (name == NULL)
 624                 return -EINVAL;
 625         input_args = rte_vdev_device_args(vdev);
 626
 627         rte_cryptodev_vdev_parse_init_params(&init_params, input_args);
 628
 629         RTE_LOG(INFO, PMD, "Initialising %s on NUMA node %d\n", name,
 630                         init_params.socket_id);
 631         if (init_params.name[0] != '\0')
 632                 RTE_LOG(INFO, PMD, "  User defined name = %s\n",
 633                         init_params.name);
 634         RTE_LOG(INFO, PMD, "  Max number of queue pairs = %d\n",
 635                         init_params.max_nb_queue_pairs);
 636         RTE_LOG(INFO, PMD, "  Max number of sessions = %d\n",
 637                         init_params.max_nb_sessions);
 638
 639         return cryptodev_kasumi_create(name, vdev, &init_params);
 640 }
 641
 642 static int
 643 cryptodev_kasumi_remove(struct rte_vdev_device *vdev)
 644 {
 645         const char *name;
 646
 647         name = rte_vdev_device_name(vdev);
 648         if (name == NULL)
 649                 return -EINVAL;
 650
 651         RTE_LOG(INFO, PMD, "Closing KASUMI crypto device %s"
 652                         " on numa socket %u\n",
 653                         name, rte_socket_id());
 654
 655         return 0;
 656 }
 657
 658 static struct rte_vdev_driver cryptodev_kasumi_pmd_drv = {
 659         .probe = cryptodev_kasumi_probe,
 660         .remove = cryptodev_kasumi_remove
 661 };
 662
 663 RTE_PMD_REGISTER_VDEV(CRYPTODEV_NAME_KASUMI_PMD, cryptodev_kasumi_pmd_drv);
 664 RTE_PMD_REGISTER_ALIAS(CRYPTODEV_NAME_KASUMI_PMD, cryptodev_kasumi_pmd);
 665 RTE_PMD_REGISTER_PARAM_STRING(CRYPTODEV_NAME_KASUMI_PMD,
 666         "max_nb_queue_pairs=<int> "
 667         "max_nb_sessions=<int> "
 668         "socket_id=<int>");
 669 RTE_PMD_REGISTER_CRYPTO_DRIVER(cryptodev_kasumi_pmd_drv, cryptodev_driver_id);