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_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_DIGEST_LENGTH 4
  47 #define KASUMI_MAX_BURST 4
  48 #define BYTE_LEN 8
  49
  50 /** Get xform chain order. */
  51 static enum kasumi_operation
  52 kasumi_get_mode(const struct rte_crypto_sym_xform *xform)
  53 {
  54         if (xform == NULL)
  55                 return KASUMI_OP_NOT_SUPPORTED;
  56
  57         if (xform->next)
  58                 if (xform->next->next != NULL)
  59                         return KASUMI_OP_NOT_SUPPORTED;
  60
  61         if (xform->type == RTE_CRYPTO_SYM_XFORM_AUTH) {
  62                 if (xform->next == NULL)
  63                         return KASUMI_OP_ONLY_AUTH;
  64                 else if (xform->next->type == RTE_CRYPTO_SYM_XFORM_CIPHER)
  65                         return KASUMI_OP_AUTH_CIPHER;
  66                 else
  67                         return KASUMI_OP_NOT_SUPPORTED;
  68         }
  69
  70         if (xform->type == RTE_CRYPTO_SYM_XFORM_CIPHER) {
  71                 if (xform->next == NULL)
  72                         return KASUMI_OP_ONLY_CIPHER;
  73                 else if (xform->next->type == RTE_CRYPTO_SYM_XFORM_AUTH)
  74                         return KASUMI_OP_CIPHER_AUTH;
  75                 else
  76                         return KASUMI_OP_NOT_SUPPORTED;
  77         }
  78
  79         return KASUMI_OP_NOT_SUPPORTED;
  80 }
  81
  82
  83 /** Parse crypto xform chain and set private session parameters. */
  84 int
  85 kasumi_set_session_parameters(struct kasumi_session *sess,
  86                 const struct rte_crypto_sym_xform *xform)
  87 {
  88         const struct rte_crypto_sym_xform *auth_xform = NULL;
  89         const struct rte_crypto_sym_xform *cipher_xform = NULL;
  90         enum kasumi_operation mode;
  91
  92         /* Select Crypto operation - hash then cipher / cipher then hash */
  93         mode = kasumi_get_mode(xform);
  94
  95         switch (mode) {
  96         case KASUMI_OP_CIPHER_AUTH:
  97                 auth_xform = xform->next;
  98                 /* Fall-through */
  99         case KASUMI_OP_ONLY_CIPHER:
 100                 cipher_xform = xform;
 101                 break;
 102         case KASUMI_OP_AUTH_CIPHER:
 103                 cipher_xform = xform->next;
 104                 /* Fall-through */
 105         case KASUMI_OP_ONLY_AUTH:
 106                 auth_xform = xform;
 107                 break;
 108         case KASUMI_OP_NOT_SUPPORTED:
 109         default:
 110                 KASUMI_LOG_ERR("Unsupported operation chain order parameter");
 111                 return -EINVAL;
 112         }
 113
 114         if (cipher_xform) {
 115                 /* Only KASUMI F8 supported */
 116                 if (cipher_xform->cipher.algo != RTE_CRYPTO_CIPHER_KASUMI_F8)
 117                         return -EINVAL;
 118                 /* Initialize key */
 119                 sso_kasumi_init_f8_key_sched(cipher_xform->cipher.key.data,
 120                                 &sess->pKeySched_cipher);
 121         }
 122
 123         if (auth_xform) {
 124                 /* Only KASUMI F9 supported */
 125                 if (auth_xform->auth.algo != RTE_CRYPTO_AUTH_KASUMI_F9)
 126                         return -EINVAL;
 127                 sess->auth_op = auth_xform->auth.op;
 128                 /* Initialize key */
 129                 sso_kasumi_init_f9_key_sched(auth_xform->auth.key.data,
 130                                 &sess->pKeySched_hash);
 131         }
 132
 133
 134         sess->op = mode;
 135
 136         return 0;
 137 }
 138
 139 /** Get KASUMI session. */
 140 static struct kasumi_session *
 141 kasumi_get_session(struct kasumi_qp *qp, struct rte_crypto_op *op)
 142 {
 143         struct kasumi_session *sess;
 144
 145         if (op->sym->sess_type == RTE_CRYPTO_SYM_OP_WITH_SESSION) {
 146                 if (unlikely(op->sym->session->dev_type !=
 147                                 RTE_CRYPTODEV_KASUMI_PMD))
 148                         return NULL;
 149
 150                 sess = (struct kasumi_session *)op->sym->session->_private;
 151         } else  {
 152                 struct rte_cryptodev_session *c_sess = NULL;
 153
 154                 if (rte_mempool_get(qp->sess_mp, (void **)&c_sess))
 155                         return NULL;
 156
 157                 sess = (struct kasumi_session *)c_sess->_private;
 158
 159                 if (unlikely(kasumi_set_session_parameters(sess,
 160                                 op->sym->xform) != 0))
 161                         return NULL;
 162         }
 163
 164         return sess;
 165 }
 166
 167 /** Encrypt/decrypt mbufs with same cipher key. */
 168 static uint8_t
 169 process_kasumi_cipher_op(struct rte_crypto_op **ops,
 170                 struct kasumi_session *session,
 171                 uint8_t num_ops)
 172 {
 173         unsigned i;
 174         uint8_t processed_ops = 0;
 175         uint8_t *src[num_ops], *dst[num_ops];
 176         uint64_t IV[num_ops];
 177         uint32_t num_bytes[num_ops];
 178
 179         for (i = 0; i < num_ops; i++) {
 180                 /* Sanity checks. */
 181                 if (ops[i]->sym->cipher.iv.length != KASUMI_IV_LENGTH) {
 182                         ops[i]->status = RTE_CRYPTO_OP_STATUS_INVALID_ARGS;
 183                         KASUMI_LOG_ERR("iv");
 184                         break;
 185                 }
 186
 187                 src[i] = rte_pktmbuf_mtod(ops[i]->sym->m_src, uint8_t *) +
 188                                 (ops[i]->sym->cipher.data.offset >> 3);
 189                 dst[i] = ops[i]->sym->m_dst ?
 190                         rte_pktmbuf_mtod(ops[i]->sym->m_dst, uint8_t *) +
 191                                 (ops[i]->sym->cipher.data.offset >> 3) :
 192                         rte_pktmbuf_mtod(ops[i]->sym->m_src, uint8_t *) +
 193                                 (ops[i]->sym->cipher.data.offset >> 3);
 194                 IV[i] = *((uint64_t *)(ops[i]->sym->cipher.iv.data));
 195                 num_bytes[i] = ops[i]->sym->cipher.data.length >> 3;
 196
 197                 processed_ops++;
 198         }
 199
 200         if (processed_ops != 0)
 201                 sso_kasumi_f8_n_buffer(&session->pKeySched_cipher, IV,
 202                         src, dst, num_bytes, processed_ops);
 203
 204         return processed_ops;
 205 }
 206
 207 /** Encrypt/decrypt mbuf (bit level function). */
 208 static uint8_t
 209 process_kasumi_cipher_op_bit(struct rte_crypto_op *op,
 210                 struct kasumi_session *session)
 211 {
 212         uint8_t *src, *dst;
 213         uint64_t IV;
 214         uint32_t length_in_bits, offset_in_bits;
 215
 216         /* Sanity checks. */
 217         if (unlikely(op->sym->cipher.iv.length != KASUMI_IV_LENGTH)) {
 218                 op->status = RTE_CRYPTO_OP_STATUS_INVALID_ARGS;
 219                 KASUMI_LOG_ERR("iv");
 220                 return 0;
 221         }
 222
 223         offset_in_bits = op->sym->cipher.data.offset;
 224         src = rte_pktmbuf_mtod(op->sym->m_src, uint8_t *);
 225         if (op->sym->m_dst == NULL) {
 226                 op->status = RTE_CRYPTO_OP_STATUS_INVALID_ARGS;
 227                 KASUMI_LOG_ERR("bit-level in-place not supported\n");
 228                 return 0;
 229         }
 230         dst = rte_pktmbuf_mtod(op->sym->m_dst, uint8_t *);
 231         IV = *((uint64_t *)(op->sym->cipher.iv.data));
 232         length_in_bits = op->sym->cipher.data.length;
 233
 234         sso_kasumi_f8_1_buffer_bit(&session->pKeySched_cipher, IV,
 235                         src, dst, length_in_bits, offset_in_bits);
 236
 237         return 1;
 238 }
 239
 240 /** Generate/verify hash from mbufs with same hash key. */
 241 static int
 242 process_kasumi_hash_op(struct rte_crypto_op **ops,
 243                 struct kasumi_session *session,
 244                 uint8_t num_ops)
 245 {
 246         unsigned i;
 247         uint8_t processed_ops = 0;
 248         uint8_t *src, *dst;
 249         uint32_t length_in_bits;
 250         uint32_t num_bytes;
 251         uint32_t shift_bits;
 252         uint64_t IV;
 253         uint8_t direction;
 254
 255         for (i = 0; i < num_ops; i++) {
 256                 if (unlikely(ops[i]->sym->auth.aad.length != KASUMI_IV_LENGTH)) {
 257                         ops[i]->status = RTE_CRYPTO_OP_STATUS_INVALID_ARGS;
 258                         KASUMI_LOG_ERR("aad");
 259                         break;
 260                 }
 261
 262                 if (unlikely(ops[i]->sym->auth.digest.length != KASUMI_DIGEST_LENGTH)) {
 263                         ops[i]->status = RTE_CRYPTO_OP_STATUS_INVALID_ARGS;
 264                         KASUMI_LOG_ERR("digest");
 265                         break;
 266                 }
 267
 268                 /* Data must be byte aligned */
 269                 if ((ops[i]->sym->auth.data.offset % BYTE_LEN) != 0) {
 270                         ops[i]->status = RTE_CRYPTO_OP_STATUS_INVALID_ARGS;
 271                         KASUMI_LOG_ERR("offset");
 272                         break;
 273                 }
 274
 275                 length_in_bits = ops[i]->sym->auth.data.length;
 276
 277                 src = rte_pktmbuf_mtod(ops[i]->sym->m_src, uint8_t *) +
 278                                 (ops[i]->sym->auth.data.offset >> 3);
 279                 /* IV from AAD */
 280                 IV = *((uint64_t *)(ops[i]->sym->auth.aad.data));
 281                 /* Direction from next bit after end of message */
 282                 num_bytes = (length_in_bits >> 3) + 1;
 283                 shift_bits = (BYTE_LEN - 1 - length_in_bits) % BYTE_LEN;
 284                 direction = (src[num_bytes - 1] >> shift_bits) & 0x01;
 285
 286                 if (session->auth_op == RTE_CRYPTO_AUTH_OP_VERIFY) {
 287                         dst = (uint8_t *)rte_pktmbuf_append(ops[i]->sym->m_src,
 288                                         ops[i]->sym->auth.digest.length);
 289
 290                         sso_kasumi_f9_1_buffer_user(&session->pKeySched_hash,
 291                                         IV, src,
 292                                         length_in_bits, dst, direction);
 293                         /* Verify digest. */
 294                         if (memcmp(dst, ops[i]->sym->auth.digest.data,
 295                                         ops[i]->sym->auth.digest.length) != 0)
 296                                 ops[i]->status = RTE_CRYPTO_OP_STATUS_AUTH_FAILED;
 297
 298                         /* Trim area used for digest from mbuf. */
 299                         rte_pktmbuf_trim(ops[i]->sym->m_src,
 300                                         ops[i]->sym->auth.digest.length);
 301                 } else  {
 302                         dst = ops[i]->sym->auth.digest.data;
 303
 304                         sso_kasumi_f9_1_buffer_user(&session->pKeySched_hash,
 305                                         IV, src,
 306                                         length_in_bits, dst, direction);
 307                 }
 308                 processed_ops++;
 309         }
 310
 311         return processed_ops;
 312 }
 313
 314 /** Process a batch of crypto ops which shares the same session. */
 315 static int
 316 process_ops(struct rte_crypto_op **ops, struct kasumi_session *session,
 317                 struct kasumi_qp *qp, uint8_t num_ops,
 318                 uint16_t *accumulated_enqueued_ops)
 319 {
 320         unsigned i;
 321         unsigned enqueued_ops, processed_ops;
 322
 323         switch (session->op) {
 324         case KASUMI_OP_ONLY_CIPHER:
 325                 processed_ops = process_kasumi_cipher_op(ops,
 326                                 session, num_ops);
 327                 break;
 328         case KASUMI_OP_ONLY_AUTH:
 329                 processed_ops = process_kasumi_hash_op(ops, session,
 330                                 num_ops);
 331                 break;
 332         case KASUMI_OP_CIPHER_AUTH:
 333                 processed_ops = process_kasumi_cipher_op(ops, session,
 334                                 num_ops);
 335                 process_kasumi_hash_op(ops, session, processed_ops);
 336                 break;
 337         case KASUMI_OP_AUTH_CIPHER:
 338                 processed_ops = process_kasumi_hash_op(ops, session,
 339                                 num_ops);
 340                 process_kasumi_cipher_op(ops, session, processed_ops);
 341                 break;
 342         default:
 343                 /* Operation not supported. */
 344                 processed_ops = 0;
 345         }
 346
 347         for (i = 0; i < num_ops; i++) {
 348                 /*
 349                  * If there was no error/authentication failure,
 350                  * change status to successful.
 351                  */
 352                 if (ops[i]->status == RTE_CRYPTO_OP_STATUS_NOT_PROCESSED)
 353                         ops[i]->status = RTE_CRYPTO_OP_STATUS_SUCCESS;
 354                 /* Free session if a session-less crypto op. */
 355                 if (ops[i]->sym->sess_type == RTE_CRYPTO_SYM_OP_SESSIONLESS) {
 356                         rte_mempool_put(qp->sess_mp, ops[i]->sym->session);
 357                         ops[i]->sym->session = NULL;
 358                 }
 359         }
 360
 361         enqueued_ops = rte_ring_enqueue_burst(qp->processed_ops,
 362                                 (void **)ops, processed_ops, NULL);
 363         qp->qp_stats.enqueued_count += enqueued_ops;
 364         *accumulated_enqueued_ops += enqueued_ops;
 365
 366         return enqueued_ops;
 367 }
 368
 369 /** Process a crypto op with length/offset in bits. */
 370 static int
 371 process_op_bit(struct rte_crypto_op *op, struct kasumi_session *session,
 372                 struct kasumi_qp *qp, uint16_t *accumulated_enqueued_ops)
 373 {
 374         unsigned enqueued_op, processed_op;
 375
 376         switch (session->op) {
 377         case KASUMI_OP_ONLY_CIPHER:
 378                 processed_op = process_kasumi_cipher_op_bit(op,
 379                                 session);
 380                 break;
 381         case KASUMI_OP_ONLY_AUTH:
 382                 processed_op = process_kasumi_hash_op(&op, session, 1);
 383                 break;
 384         case KASUMI_OP_CIPHER_AUTH:
 385                 processed_op = process_kasumi_cipher_op_bit(op, session);
 386                 if (processed_op == 1)
 387                         process_kasumi_hash_op(&op, session, 1);
 388                 break;
 389         case KASUMI_OP_AUTH_CIPHER:
 390                 processed_op = process_kasumi_hash_op(&op, session, 1);
 391                 if (processed_op == 1)
 392                         process_kasumi_cipher_op_bit(op, session);
 393                 break;
 394         default:
 395                 /* Operation not supported. */
 396                 processed_op = 0;
 397         }
 398
 399         /*
 400          * If there was no error/authentication failure,
 401          * change status to successful.
 402          */
 403         if (op->status == RTE_CRYPTO_OP_STATUS_NOT_PROCESSED)
 404                 op->status = RTE_CRYPTO_OP_STATUS_SUCCESS;
 405
 406         /* Free session if a session-less crypto op. */
 407         if (op->sym->sess_type == RTE_CRYPTO_SYM_OP_SESSIONLESS) {
 408                 rte_mempool_put(qp->sess_mp, op->sym->session);
 409                 op->sym->session = NULL;
 410         }
 411
 412         enqueued_op = rte_ring_enqueue_burst(qp->processed_ops, (void **)&op,
 413                                 processed_op, NULL);
 414         qp->qp_stats.enqueued_count += enqueued_op;
 415         *accumulated_enqueued_ops += enqueued_op;
 416
 417         return enqueued_op;
 418 }
 419
 420 static uint16_t
 421 kasumi_pmd_enqueue_burst(void *queue_pair, struct rte_crypto_op **ops,
 422                 uint16_t nb_ops)
 423 {
 424         struct rte_crypto_op *c_ops[nb_ops];
 425         struct rte_crypto_op *curr_c_op;
 426
 427         struct kasumi_session *prev_sess = NULL, *curr_sess = NULL;
 428         struct kasumi_qp *qp = queue_pair;
 429         unsigned i;
 430         uint8_t burst_size = 0;
 431         uint16_t enqueued_ops = 0;
 432         uint8_t processed_ops;
 433
 434         for (i = 0; i < nb_ops; i++) {
 435                 curr_c_op = ops[i];
 436
 437 #ifdef RTE_LIBRTE_PMD_KASUMI_DEBUG
 438                 if (!rte_pktmbuf_is_contiguous(curr_c_op->sym->m_src) ||
 439                                 (curr_c_op->sym->m_dst != NULL &&
 440                                 !rte_pktmbuf_is_contiguous(
 441                                                 curr_c_op->sym->m_dst))) {
 442                         KASUMI_LOG_ERR("PMD supports only contiguous mbufs, "
 443                                 "op (%p) provides noncontiguous mbuf as "
 444                                 "source/destination buffer.\n", curr_c_op);
 445                         curr_c_op->status = RTE_CRYPTO_OP_STATUS_INVALID_ARGS;
 446                         break;
 447                 }
 448 #endif
 449
 450                 /* Set status as enqueued (not processed yet) by default. */
 451                 curr_c_op->status = RTE_CRYPTO_OP_STATUS_NOT_PROCESSED;
 452
 453                 curr_sess = kasumi_get_session(qp, curr_c_op);
 454                 if (unlikely(curr_sess == NULL ||
 455                                 curr_sess->op == KASUMI_OP_NOT_SUPPORTED)) {
 456                         curr_c_op->status =
 457                                         RTE_CRYPTO_OP_STATUS_INVALID_SESSION;
 458                         break;
 459                 }
 460
 461                 /* If length/offset is at bit-level, process this buffer alone. */
 462                 if (((curr_c_op->sym->cipher.data.length % BYTE_LEN) != 0)
 463                                 || ((ops[i]->sym->cipher.data.offset
 464                                         % BYTE_LEN) != 0)) {
 465                         /* Process the ops of the previous session. */
 466                         if (prev_sess != NULL) {
 467                                 processed_ops = process_ops(c_ops, prev_sess,
 468                                                 qp, burst_size, &enqueued_ops);
 469                                 if (processed_ops < burst_size) {
 470                                         burst_size = 0;
 471                                         break;
 472                                 }
 473
 474                                 burst_size = 0;
 475                                 prev_sess = NULL;
 476                         }
 477
 478                         processed_ops = process_op_bit(curr_c_op, curr_sess,
 479                                                 qp, &enqueued_ops);
 480                         if (processed_ops != 1)
 481                                 break;
 482
 483                         continue;
 484                 }
 485
 486                 /* Batch ops that share the same session. */
 487                 if (prev_sess == NULL) {
 488                         prev_sess = curr_sess;
 489                         c_ops[burst_size++] = curr_c_op;
 490                 } else if (curr_sess == prev_sess) {
 491                         c_ops[burst_size++] = curr_c_op;
 492                         /*
 493                          * When there are enough ops to process in a batch,
 494                          * process them, and start a new batch.
 495                          */
 496                         if (burst_size == KASUMI_MAX_BURST) {
 497                                 processed_ops = process_ops(c_ops, prev_sess,
 498                                                 qp, burst_size, &enqueued_ops);
 499                                 if (processed_ops < burst_size) {
 500                                         burst_size = 0;
 501                                         break;
 502                                 }
 503
 504                                 burst_size = 0;
 505                                 prev_sess = NULL;
 506                         }
 507                 } else {
 508                         /*
 509                          * Different session, process the ops
 510                          * of the previous session.
 511                          */
 512                         processed_ops = process_ops(c_ops, prev_sess,
 513                                         qp, burst_size, &enqueued_ops);
 514                         if (processed_ops < burst_size) {
 515                                 burst_size = 0;
 516                                 break;
 517                         }
 518
 519                         burst_size = 0;
 520                         prev_sess = curr_sess;
 521
 522                         c_ops[burst_size++] = curr_c_op;
 523                 }
 524         }
 525
 526         if (burst_size != 0) {
 527                 /* Process the crypto ops of the last session. */
 528                 processed_ops = process_ops(c_ops, prev_sess,
 529                                 qp, burst_size, &enqueued_ops);
 530         }
 531
 532         qp->qp_stats.enqueue_err_count += nb_ops - enqueued_ops;
 533         return enqueued_ops;
 534 }
 535
 536 static uint16_t
 537 kasumi_pmd_dequeue_burst(void *queue_pair,
 538                 struct rte_crypto_op **c_ops, uint16_t nb_ops)
 539 {
 540         struct kasumi_qp *qp = queue_pair;
 541
 542         unsigned nb_dequeued;
 543
 544         nb_dequeued = rte_ring_dequeue_burst(qp->processed_ops,
 545                         (void **)c_ops, nb_ops);
 546         qp->qp_stats.dequeued_count += nb_dequeued;
 547
 548         return nb_dequeued;
 549 }
 550
 551 static int cryptodev_kasumi_remove(const char *name);
 552
 553 static int
 554 cryptodev_kasumi_create(struct rte_crypto_vdev_init_params *init_params)
 555 {
 556         struct rte_cryptodev *dev;
 557         struct kasumi_private *internals;
 558         uint64_t cpu_flags = 0;
 559
 560         if (init_params->name[0] == '\0') {
 561                 int ret = rte_cryptodev_pmd_create_dev_name(
 562                                 init_params->name,
 563                                 RTE_STR(CRYPTODEV_NAME_KASUMI_PMD));
 564
 565                 if (ret < 0) {
 566                         KASUMI_LOG_ERR("failed to create unique name");
 567                         return ret;
 568                 }
 569         }
 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 if (rte_cpu_get_flag_enabled(RTE_CPUFLAG_SSE4_1))
 575                 cpu_flags |= RTE_CRYPTODEV_FF_CPU_SSE;
 576         else {
 577                 KASUMI_LOG_ERR("Vector instructions are not supported by CPU");
 578                 return -EFAULT;
 579         }
 580
 581         dev = rte_cryptodev_pmd_virtual_dev_init(init_params->name,
 582                         sizeof(struct kasumi_private), init_params->socket_id);
 583         if (dev == NULL) {
 584                 KASUMI_LOG_ERR("failed to create cryptodev vdev");
 585                 goto init_error;
 586         }
 587
 588         dev->dev_type = RTE_CRYPTODEV_KASUMI_PMD;
 589         dev->dev_ops = rte_kasumi_pmd_ops;
 590
 591         /* Register RX/TX burst functions for data path. */
 592         dev->dequeue_burst = kasumi_pmd_dequeue_burst;
 593         dev->enqueue_burst = kasumi_pmd_enqueue_burst;
 594
 595         dev->feature_flags = RTE_CRYPTODEV_FF_SYMMETRIC_CRYPTO |
 596                         RTE_CRYPTODEV_FF_SYM_OPERATION_CHAINING |
 597                         cpu_flags;
 598
 599         internals = dev->data->dev_private;
 600
 601         internals->max_nb_queue_pairs = init_params->max_nb_queue_pairs;
 602         internals->max_nb_sessions = init_params->max_nb_sessions;
 603
 604         return 0;
 605 init_error:
 606         KASUMI_LOG_ERR("driver %s: cryptodev_kasumi_create failed",
 607                         init_params->name);
 608
 609         cryptodev_kasumi_remove(init_params->name);
 610         return -EFAULT;
 611 }
 612
 613 static int
 614 cryptodev_kasumi_probe(const char *name,
 615                 const char *input_args)
 616 {
 617         struct rte_crypto_vdev_init_params init_params = {
 618                 RTE_CRYPTODEV_VDEV_DEFAULT_MAX_NB_QUEUE_PAIRS,
 619                 RTE_CRYPTODEV_VDEV_DEFAULT_MAX_NB_SESSIONS,
 620                 rte_socket_id(),
 621                 {0}
 622         };
 623
 624         rte_cryptodev_parse_vdev_init_params(&init_params, input_args);
 625
 626         RTE_LOG(INFO, PMD, "Initialising %s on NUMA node %d\n", name,
 627                         init_params.socket_id);
 628         if (init_params.name[0] != '\0')
 629                 RTE_LOG(INFO, PMD, "  User defined name = %s\n",
 630                         init_params.name);
 631         RTE_LOG(INFO, PMD, "  Max number of queue pairs = %d\n",
 632                         init_params.max_nb_queue_pairs);
 633         RTE_LOG(INFO, PMD, "  Max number of sessions = %d\n",
 634                         init_params.max_nb_sessions);
 635
 636         return cryptodev_kasumi_create(&init_params);
 637 }
 638
 639 static int
 640 cryptodev_kasumi_remove(const char *name)
 641 {
 642         if (name == NULL)
 643                 return -EINVAL;
 644
 645         RTE_LOG(INFO, PMD, "Closing KASUMI crypto device %s"
 646                         " on numa socket %u\n",
 647                         name, rte_socket_id());
 648
 649         return 0;
 650 }
 651
 652 static struct rte_vdev_driver cryptodev_kasumi_pmd_drv = {
 653         .probe = cryptodev_kasumi_probe,
 654         .remove = cryptodev_kasumi_remove
 655 };
 656
 657 RTE_PMD_REGISTER_VDEV(CRYPTODEV_NAME_KASUMI_PMD, cryptodev_kasumi_pmd_drv);
 658 RTE_PMD_REGISTER_ALIAS(CRYPTODEV_NAME_KASUMI_PMD, cryptodev_kasumi_pmd);
 659 RTE_PMD_REGISTER_PARAM_STRING(CRYPTODEV_NAME_KASUMI_PMD,
 660         "max_nb_queue_pairs=<int> "
 661         "max_nb_sessions=<int> "
 662         "socket_id=<int>");