drivers/crypto/kasumi/rte_kasumi_pmd.c

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2016-2018 Intel Corporation
   3  */
   4
   5 #include <rte_common.h>
   6 #include <rte_hexdump.h>
   7 #include <rte_cryptodev.h>
   8 #include <rte_cryptodev_pmd.h>
   9 #include <rte_bus_vdev.h>
  10 #include <rte_malloc.h>
  11 #include <rte_cpuflags.h>
  12
  13 #include "rte_kasumi_pmd_private.h"
  14
  15 #define KASUMI_KEY_LENGTH 16
  16 #define KASUMI_IV_LENGTH 8
  17 #define KASUMI_MAX_BURST 4
  18 #define BYTE_LEN 8
  19
  20 static uint8_t cryptodev_driver_id;
  21
  22 /** Get xform chain order. */
  23 static enum kasumi_operation
  24 kasumi_get_mode(const struct rte_crypto_sym_xform *xform)
  25 {
  26         if (xform == NULL)
  27                 return KASUMI_OP_NOT_SUPPORTED;
  28
  29         if (xform->next)
  30                 if (xform->next->next != NULL)
  31                         return KASUMI_OP_NOT_SUPPORTED;
  32
  33         if (xform->type == RTE_CRYPTO_SYM_XFORM_AUTH) {
  34                 if (xform->next == NULL)
  35                         return KASUMI_OP_ONLY_AUTH;
  36                 else if (xform->next->type == RTE_CRYPTO_SYM_XFORM_CIPHER)
  37                         return KASUMI_OP_AUTH_CIPHER;
  38                 else
  39                         return KASUMI_OP_NOT_SUPPORTED;
  40         }
  41
  42         if (xform->type == RTE_CRYPTO_SYM_XFORM_CIPHER) {
  43                 if (xform->next == NULL)
  44                         return KASUMI_OP_ONLY_CIPHER;
  45                 else if (xform->next->type == RTE_CRYPTO_SYM_XFORM_AUTH)
  46                         return KASUMI_OP_CIPHER_AUTH;
  47                 else
  48                         return KASUMI_OP_NOT_SUPPORTED;
  49         }
  50
  51         return KASUMI_OP_NOT_SUPPORTED;
  52 }
  53
  54
  55 /** Parse crypto xform chain and set private session parameters. */
  56 int
  57 kasumi_set_session_parameters(struct kasumi_session *sess,
  58                 const struct rte_crypto_sym_xform *xform)
  59 {
  60         const struct rte_crypto_sym_xform *auth_xform = NULL;
  61         const struct rte_crypto_sym_xform *cipher_xform = NULL;
  62         enum kasumi_operation mode;
  63
  64         /* Select Crypto operation - hash then cipher / cipher then hash */
  65         mode = kasumi_get_mode(xform);
  66
  67         switch (mode) {
  68         case KASUMI_OP_CIPHER_AUTH:
  69                 auth_xform = xform->next;
  70                 /* Fall-through */
  71         case KASUMI_OP_ONLY_CIPHER:
  72                 cipher_xform = xform;
  73                 break;
  74         case KASUMI_OP_AUTH_CIPHER:
  75                 cipher_xform = xform->next;
  76                 /* Fall-through */
  77         case KASUMI_OP_ONLY_AUTH:
  78                 auth_xform = xform;
  79                 break;
  80         case KASUMI_OP_NOT_SUPPORTED:
  81         default:
  82                 KASUMI_LOG(ERR, "Unsupported operation chain order parameter");
  83                 return -ENOTSUP;
  84         }
  85
  86         if (cipher_xform) {
  87                 /* Only KASUMI F8 supported */
  88                 if (cipher_xform->cipher.algo != RTE_CRYPTO_CIPHER_KASUMI_F8) {
  89                         KASUMI_LOG(ERR, "Unsupported cipher algorithm ");
  90                         return -ENOTSUP;
  91                 }
  92
  93                 sess->cipher_iv_offset = cipher_xform->cipher.iv.offset;
  94                 if (cipher_xform->cipher.iv.length != KASUMI_IV_LENGTH) {
  95                         KASUMI_LOG(ERR, "Wrong IV length");
  96                         return -EINVAL;
  97                 }
  98
  99                 /* Initialize key */
 100                 sso_kasumi_init_f8_key_sched(cipher_xform->cipher.key.data,
 101                                 &sess->pKeySched_cipher);
 102         }
 103
 104         if (auth_xform) {
 105                 /* Only KASUMI F9 supported */
 106                 if (auth_xform->auth.algo != RTE_CRYPTO_AUTH_KASUMI_F9) {
 107                         KASUMI_LOG(ERR, "Unsupported authentication");
 108                         return -ENOTSUP;
 109                 }
 110
 111                 if (auth_xform->auth.digest_length != KASUMI_DIGEST_LENGTH) {
 112                         KASUMI_LOG(ERR, "Wrong digest length");
 113                         return -EINVAL;
 114                 }
 115
 116                 sess->auth_op = auth_xform->auth.op;
 117
 118                 /* Initialize key */
 119                 sso_kasumi_init_f9_key_sched(auth_xform->auth.key.data,
 120                                 &sess->pKeySched_hash);
 121         }
 122
 123
 124         sess->op = mode;
 125
 126         return 0;
 127 }
 128
 129 /** Get KASUMI session. */
 130 static struct kasumi_session *
 131 kasumi_get_session(struct kasumi_qp *qp, struct rte_crypto_op *op)
 132 {
 133         struct kasumi_session *sess = NULL;
 134
 135         if (op->sess_type == RTE_CRYPTO_OP_WITH_SESSION) {
 136                 if (likely(op->sym->session != NULL))
 137                         sess = (struct kasumi_session *)
 138                                         get_sym_session_private_data(
 139                                         op->sym->session,
 140                                         cryptodev_driver_id);
 141         } else {
 142                 void *_sess = NULL;
 143                 void *_sess_private_data = NULL;
 144
 145                 if (rte_mempool_get(qp->sess_mp, (void **)&_sess))
 146                         return NULL;
 147
 148                 if (rte_mempool_get(qp->sess_mp_priv,
 149                                 (void **)&_sess_private_data))
 150                         return NULL;
 151
 152                 sess = (struct kasumi_session *)_sess_private_data;
 153
 154                 if (unlikely(kasumi_set_session_parameters(sess,
 155                                 op->sym->xform) != 0)) {
 156                         rte_mempool_put(qp->sess_mp, _sess);
 157                         rte_mempool_put(qp->sess_mp_priv, _sess_private_data);
 158                         sess = NULL;
 159                 }
 160                 op->sym->session = (struct rte_cryptodev_sym_session *)_sess;
 161                 set_sym_session_private_data(op->sym->session,
 162                                 cryptodev_driver_id, _sess_private_data);
 163         }
 164
 165         if (unlikely(sess == NULL))
 166                 op->status = RTE_CRYPTO_OP_STATUS_INVALID_SESSION;
 167
 168         return sess;
 169 }
 170
 171 /** Encrypt/decrypt mbufs with same cipher key. */
 172 static uint8_t
 173 process_kasumi_cipher_op(struct rte_crypto_op **ops,
 174                 struct kasumi_session *session,
 175                 uint8_t num_ops)
 176 {
 177         unsigned i;
 178         uint8_t processed_ops = 0;
 179         uint8_t *src[num_ops], *dst[num_ops];
 180         uint8_t *iv_ptr;
 181         uint64_t iv[num_ops];
 182         uint32_t num_bytes[num_ops];
 183
 184         for (i = 0; i < num_ops; i++) {
 185                 src[i] = rte_pktmbuf_mtod(ops[i]->sym->m_src, uint8_t *) +
 186                                 (ops[i]->sym->cipher.data.offset >> 3);
 187                 dst[i] = ops[i]->sym->m_dst ?
 188                         rte_pktmbuf_mtod(ops[i]->sym->m_dst, uint8_t *) +
 189                                 (ops[i]->sym->cipher.data.offset >> 3) :
 190                         rte_pktmbuf_mtod(ops[i]->sym->m_src, uint8_t *) +
 191                                 (ops[i]->sym->cipher.data.offset >> 3);
 192                 iv_ptr = rte_crypto_op_ctod_offset(ops[i], uint8_t *,
 193                                 session->cipher_iv_offset);
 194                 iv[i] = *((uint64_t *)(iv_ptr));
 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         uint8_t *iv_ptr;
 214         uint64_t iv;
 215         uint32_t length_in_bits, offset_in_bits;
 216
 217         offset_in_bits = op->sym->cipher.data.offset;
 218         src = rte_pktmbuf_mtod(op->sym->m_src, uint8_t *);
 219         if (op->sym->m_dst == NULL) {
 220                 op->status = RTE_CRYPTO_OP_STATUS_INVALID_ARGS;
 221                 KASUMI_LOG(ERR, "bit-level in-place not supported");
 222                 return 0;
 223         }
 224         dst = rte_pktmbuf_mtod(op->sym->m_dst, uint8_t *);
 225         iv_ptr = rte_crypto_op_ctod_offset(op, uint8_t *,
 226                         session->cipher_iv_offset);
 227         iv = *((uint64_t *)(iv_ptr));
 228         length_in_bits = op->sym->cipher.data.length;
 229
 230         sso_kasumi_f8_1_buffer_bit(&session->pKeySched_cipher, iv,
 231                         src, dst, length_in_bits, offset_in_bits);
 232
 233         return 1;
 234 }
 235
 236 /** Generate/verify hash from mbufs with same hash key. */
 237 static int
 238 process_kasumi_hash_op(struct kasumi_qp *qp, struct rte_crypto_op **ops,
 239                 struct kasumi_session *session,
 240                 uint8_t num_ops)
 241 {
 242         unsigned i;
 243         uint8_t processed_ops = 0;
 244         uint8_t *src, *dst;
 245         uint32_t length_in_bits;
 246         uint32_t num_bytes;
 247
 248         for (i = 0; i < num_ops; i++) {
 249                 /* Data must be byte aligned */
 250                 if ((ops[i]->sym->auth.data.offset % BYTE_LEN) != 0) {
 251                         ops[i]->status = RTE_CRYPTO_OP_STATUS_INVALID_ARGS;
 252                         KASUMI_LOG(ERR, "Invalid Offset");
 253                         break;
 254                 }
 255
 256                 length_in_bits = ops[i]->sym->auth.data.length;
 257
 258                 src = rte_pktmbuf_mtod(ops[i]->sym->m_src, uint8_t *) +
 259                                 (ops[i]->sym->auth.data.offset >> 3);
 260                 /* Direction from next bit after end of message */
 261                 num_bytes = length_in_bits >> 3;
 262
 263                 if (session->auth_op == RTE_CRYPTO_AUTH_OP_VERIFY) {
 264                         dst = qp->temp_digest;
 265                         sso_kasumi_f9_1_buffer(&session->pKeySched_hash, src,
 266                                         num_bytes, dst);
 267
 268                         /* Verify digest. */
 269                         if (memcmp(dst, ops[i]->sym->auth.digest.data,
 270                                         KASUMI_DIGEST_LENGTH) != 0)
 271                                 ops[i]->status = RTE_CRYPTO_OP_STATUS_AUTH_FAILED;
 272                 } else  {
 273                         dst = ops[i]->sym->auth.digest.data;
 274
 275                         sso_kasumi_f9_1_buffer(&session->pKeySched_hash, src,
 276                                         num_bytes, dst);
 277                 }
 278                 processed_ops++;
 279         }
 280
 281         return processed_ops;
 282 }
 283
 284 /** Process a batch of crypto ops which shares the same session. */
 285 static int
 286 process_ops(struct rte_crypto_op **ops, struct kasumi_session *session,
 287                 struct kasumi_qp *qp, uint8_t num_ops,
 288                 uint16_t *accumulated_enqueued_ops)
 289 {
 290         unsigned i;
 291         unsigned enqueued_ops, processed_ops;
 292
 293         switch (session->op) {
 294         case KASUMI_OP_ONLY_CIPHER:
 295                 processed_ops = process_kasumi_cipher_op(ops,
 296                                 session, num_ops);
 297                 break;
 298         case KASUMI_OP_ONLY_AUTH:
 299                 processed_ops = process_kasumi_hash_op(qp, ops, session,
 300                                 num_ops);
 301                 break;
 302         case KASUMI_OP_CIPHER_AUTH:
 303                 processed_ops = process_kasumi_cipher_op(ops, session,
 304                                 num_ops);
 305                 process_kasumi_hash_op(qp, ops, session, processed_ops);
 306                 break;
 307         case KASUMI_OP_AUTH_CIPHER:
 308                 processed_ops = process_kasumi_hash_op(qp, ops, session,
 309                                 num_ops);
 310                 process_kasumi_cipher_op(ops, session, processed_ops);
 311                 break;
 312         default:
 313                 /* Operation not supported. */
 314                 processed_ops = 0;
 315         }
 316
 317         for (i = 0; i < num_ops; i++) {
 318                 /*
 319                  * If there was no error/authentication failure,
 320                  * change status to successful.
 321                  */
 322                 if (ops[i]->status == RTE_CRYPTO_OP_STATUS_NOT_PROCESSED)
 323                         ops[i]->status = RTE_CRYPTO_OP_STATUS_SUCCESS;
 324                 /* Free session if a session-less crypto op. */
 325                 if (ops[i]->sess_type == RTE_CRYPTO_OP_SESSIONLESS) {
 326                         memset(session, 0, sizeof(struct kasumi_session));
 327                         memset(ops[i]->sym->session, 0,
 328                                         rte_cryptodev_sym_get_header_session_size());
 329                         rte_mempool_put(qp->sess_mp_priv, session);
 330                         rte_mempool_put(qp->sess_mp, ops[i]->sym->session);
 331                         ops[i]->sym->session = NULL;
 332                 }
 333         }
 334
 335         enqueued_ops = rte_ring_enqueue_burst(qp->processed_ops,
 336                                 (void **)ops, processed_ops, NULL);
 337         qp->qp_stats.enqueued_count += enqueued_ops;
 338         *accumulated_enqueued_ops += enqueued_ops;
 339
 340         return enqueued_ops;
 341 }
 342
 343 /** Process a crypto op with length/offset in bits. */
 344 static int
 345 process_op_bit(struct rte_crypto_op *op, struct kasumi_session *session,
 346                 struct kasumi_qp *qp, uint16_t *accumulated_enqueued_ops)
 347 {
 348         unsigned enqueued_op, processed_op;
 349
 350         switch (session->op) {
 351         case KASUMI_OP_ONLY_CIPHER:
 352                 processed_op = process_kasumi_cipher_op_bit(op,
 353                                 session);
 354                 break;
 355         case KASUMI_OP_ONLY_AUTH:
 356                 processed_op = process_kasumi_hash_op(qp, &op, session, 1);
 357                 break;
 358         case KASUMI_OP_CIPHER_AUTH:
 359                 processed_op = process_kasumi_cipher_op_bit(op, session);
 360                 if (processed_op == 1)
 361                         process_kasumi_hash_op(qp, &op, session, 1);
 362                 break;
 363         case KASUMI_OP_AUTH_CIPHER:
 364                 processed_op = process_kasumi_hash_op(qp, &op, session, 1);
 365                 if (processed_op == 1)
 366                         process_kasumi_cipher_op_bit(op, session);
 367                 break;
 368         default:
 369                 /* Operation not supported. */
 370                 processed_op = 0;
 371         }
 372
 373         /*
 374          * If there was no error/authentication failure,
 375          * change status to successful.
 376          */
 377         if (op->status == RTE_CRYPTO_OP_STATUS_NOT_PROCESSED)
 378                 op->status = RTE_CRYPTO_OP_STATUS_SUCCESS;
 379
 380         /* Free session if a session-less crypto op. */
 381         if (op->sess_type == RTE_CRYPTO_OP_SESSIONLESS) {
 382                 memset(op->sym->session, 0, sizeof(struct kasumi_session));
 383                 rte_cryptodev_sym_session_free(op->sym->session);
 384                 op->sym->session = NULL;
 385         }
 386
 387         enqueued_op = rte_ring_enqueue_burst(qp->processed_ops, (void **)&op,
 388                                 processed_op, NULL);
 389         qp->qp_stats.enqueued_count += enqueued_op;
 390         *accumulated_enqueued_ops += enqueued_op;
 391
 392         return enqueued_op;
 393 }
 394
 395 static uint16_t
 396 kasumi_pmd_enqueue_burst(void *queue_pair, struct rte_crypto_op **ops,
 397                 uint16_t nb_ops)
 398 {
 399         struct rte_crypto_op *c_ops[nb_ops];
 400         struct rte_crypto_op *curr_c_op;
 401
 402         struct kasumi_session *prev_sess = NULL, *curr_sess = NULL;
 403         struct kasumi_qp *qp = queue_pair;
 404         unsigned i;
 405         uint8_t burst_size = 0;
 406         uint16_t enqueued_ops = 0;
 407         uint8_t processed_ops;
 408
 409         for (i = 0; i < nb_ops; i++) {
 410                 curr_c_op = ops[i];
 411
 412 #ifdef RTE_LIBRTE_PMD_KASUMI_DEBUG
 413                 if (!rte_pktmbuf_is_contiguous(curr_c_op->sym->m_src) ||
 414                                 (curr_c_op->sym->m_dst != NULL &&
 415                                 !rte_pktmbuf_is_contiguous(
 416                                                 curr_c_op->sym->m_dst))) {
 417                         KASUMI_LOG(ERR, "PMD supports only contiguous mbufs, "
 418                                 "op (%p) provides noncontiguous mbuf as "
 419                                 "source/destination buffer.", curr_c_op);
 420                         curr_c_op->status = RTE_CRYPTO_OP_STATUS_INVALID_ARGS;
 421                         break;
 422                 }
 423 #endif
 424
 425                 /* Set status as enqueued (not processed yet) by default. */
 426                 curr_c_op->status = RTE_CRYPTO_OP_STATUS_NOT_PROCESSED;
 427
 428                 curr_sess = kasumi_get_session(qp, curr_c_op);
 429                 if (unlikely(curr_sess == NULL ||
 430                                 curr_sess->op == KASUMI_OP_NOT_SUPPORTED)) {
 431                         curr_c_op->status =
 432                                         RTE_CRYPTO_OP_STATUS_INVALID_SESSION;
 433                         break;
 434                 }
 435
 436                 /* If length/offset is at bit-level, process this buffer alone. */
 437                 if (((curr_c_op->sym->cipher.data.length % BYTE_LEN) != 0)
 438                                 || ((ops[i]->sym->cipher.data.offset
 439                                         % BYTE_LEN) != 0)) {
 440                         /* Process the ops of the previous session. */
 441                         if (prev_sess != NULL) {
 442                                 processed_ops = process_ops(c_ops, prev_sess,
 443                                                 qp, burst_size, &enqueued_ops);
 444                                 if (processed_ops < burst_size) {
 445                                         burst_size = 0;
 446                                         break;
 447                                 }
 448
 449                                 burst_size = 0;
 450                                 prev_sess = NULL;
 451                         }
 452
 453                         processed_ops = process_op_bit(curr_c_op, curr_sess,
 454                                                 qp, &enqueued_ops);
 455                         if (processed_ops != 1)
 456                                 break;
 457
 458                         continue;
 459                 }
 460
 461                 /* Batch ops that share the same session. */
 462                 if (prev_sess == NULL) {
 463                         prev_sess = curr_sess;
 464                         c_ops[burst_size++] = curr_c_op;
 465                 } else if (curr_sess == prev_sess) {
 466                         c_ops[burst_size++] = curr_c_op;
 467                         /*
 468                          * When there are enough ops to process in a batch,
 469                          * process them, and start a new batch.
 470                          */
 471                         if (burst_size == KASUMI_MAX_BURST) {
 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                 } else {
 483                         /*
 484                          * Different session, process the ops
 485                          * of the previous session.
 486                          */
 487                         processed_ops = process_ops(c_ops, prev_sess,
 488                                         qp, burst_size, &enqueued_ops);
 489                         if (processed_ops < burst_size) {
 490                                 burst_size = 0;
 491                                 break;
 492                         }
 493
 494                         burst_size = 0;
 495                         prev_sess = curr_sess;
 496
 497                         c_ops[burst_size++] = curr_c_op;
 498                 }
 499         }
 500
 501         if (burst_size != 0) {
 502                 /* Process the crypto ops of the last session. */
 503                 processed_ops = process_ops(c_ops, prev_sess,
 504                                 qp, burst_size, &enqueued_ops);
 505         }
 506
 507         qp->qp_stats.enqueue_err_count += nb_ops - enqueued_ops;
 508         return enqueued_ops;
 509 }
 510
 511 static uint16_t
 512 kasumi_pmd_dequeue_burst(void *queue_pair,
 513                 struct rte_crypto_op **c_ops, uint16_t nb_ops)
 514 {
 515         struct kasumi_qp *qp = queue_pair;
 516
 517         unsigned nb_dequeued;
 518
 519         nb_dequeued = rte_ring_dequeue_burst(qp->processed_ops,
 520                         (void **)c_ops, nb_ops, NULL);
 521         qp->qp_stats.dequeued_count += nb_dequeued;
 522
 523         return nb_dequeued;
 524 }
 525
 526 static int cryptodev_kasumi_remove(struct rte_vdev_device *vdev);
 527
 528 static int
 529 cryptodev_kasumi_create(const char *name,
 530                         struct rte_vdev_device *vdev,
 531                         struct rte_cryptodev_pmd_init_params *init_params)
 532 {
 533         struct rte_cryptodev *dev;
 534         struct kasumi_private *internals;
 535         uint64_t cpu_flags = 0;
 536
 537         dev = rte_cryptodev_pmd_create(name, &vdev->device, init_params);
 538         if (dev == NULL) {
 539                 KASUMI_LOG(ERR, "failed to create cryptodev vdev");
 540                 goto init_error;
 541         }
 542
 543         /* Check CPU for supported vector instruction set */
 544         if (rte_cpu_get_flag_enabled(RTE_CPUFLAG_AVX))
 545                 cpu_flags |= RTE_CRYPTODEV_FF_CPU_AVX;
 546         else
 547                 cpu_flags |= RTE_CRYPTODEV_FF_CPU_SSE;
 548
 549         dev->driver_id = cryptodev_driver_id;
 550         dev->dev_ops = rte_kasumi_pmd_ops;
 551
 552         /* Register RX/TX burst functions for data path. */
 553         dev->dequeue_burst = kasumi_pmd_dequeue_burst;
 554         dev->enqueue_burst = kasumi_pmd_enqueue_burst;
 555
 556         dev->feature_flags = RTE_CRYPTODEV_FF_SYMMETRIC_CRYPTO |
 557                         RTE_CRYPTODEV_FF_SYM_OPERATION_CHAINING |
 558                         cpu_flags;
 559
 560         internals = dev->data->dev_private;
 561
 562         internals->max_nb_queue_pairs = init_params->max_nb_queue_pairs;
 563
 564         return 0;
 565 init_error:
 566         KASUMI_LOG(ERR, "driver %s: failed",
 567                         init_params->name);
 568
 569         cryptodev_kasumi_remove(vdev);
 570         return -EFAULT;
 571 }
 572
 573 static int
 574 cryptodev_kasumi_probe(struct rte_vdev_device *vdev)
 575 {
 576         struct rte_cryptodev_pmd_init_params init_params = {
 577                 "",
 578                 sizeof(struct kasumi_private),
 579                 rte_socket_id(),
 580                 RTE_CRYPTODEV_PMD_DEFAULT_MAX_NB_QUEUE_PAIRS
 581         };
 582         const char *name;
 583         const char *input_args;
 584
 585         name = rte_vdev_device_name(vdev);
 586         if (name == NULL)
 587                 return -EINVAL;
 588         input_args = rte_vdev_device_args(vdev);
 589
 590         rte_cryptodev_pmd_parse_input_args(&init_params, input_args);
 591
 592         return cryptodev_kasumi_create(name, vdev, &init_params);
 593 }
 594
 595 static int
 596 cryptodev_kasumi_remove(struct rte_vdev_device *vdev)
 597 {
 598         struct rte_cryptodev *cryptodev;
 599         const char *name;
 600
 601         name = rte_vdev_device_name(vdev);
 602         if (name == NULL)
 603                 return -EINVAL;
 604
 605         cryptodev = rte_cryptodev_pmd_get_named_dev(name);
 606         if (cryptodev == NULL)
 607                 return -ENODEV;
 608
 609         return rte_cryptodev_pmd_destroy(cryptodev);
 610 }
 611
 612 static struct rte_vdev_driver cryptodev_kasumi_pmd_drv = {
 613         .probe = cryptodev_kasumi_probe,
 614         .remove = cryptodev_kasumi_remove
 615 };
 616
 617 static struct cryptodev_driver kasumi_crypto_drv;
 618
 619 RTE_PMD_REGISTER_VDEV(CRYPTODEV_NAME_KASUMI_PMD, cryptodev_kasumi_pmd_drv);
 620 RTE_PMD_REGISTER_ALIAS(CRYPTODEV_NAME_KASUMI_PMD, cryptodev_kasumi_pmd);
 621 RTE_PMD_REGISTER_PARAM_STRING(CRYPTODEV_NAME_KASUMI_PMD,
 622         "max_nb_queue_pairs=<int> "
 623         "socket_id=<int>");
 624 RTE_PMD_REGISTER_CRYPTO_DRIVER(kasumi_crypto_drv,
 625                 cryptodev_kasumi_pmd_drv.driver, cryptodev_driver_id);
 626
 627 RTE_INIT(kasumi_init_log)
 628 {
 629         kasumi_logtype_driver = rte_log_register("pmd.crypto.kasumi");
 630 }