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 "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(MB_MGR *mgr, 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                 IMB_KASUMI_INIT_F8_KEY_SCHED(mgr, 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                 IMB_KASUMI_INIT_F9_KEY_SCHED(mgr, 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(qp->mgr, 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 kasumi_qp *qp, struct rte_crypto_op **ops,
 174                 struct kasumi_session *session, uint8_t num_ops)
 175 {
 176         unsigned i;
 177         uint8_t processed_ops = 0;
 178         const void *src[num_ops];
 179         void *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                 IMB_KASUMI_F8_N_BUFFER(qp->mgr, &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 kasumi_qp *qp, 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                 dst = src;
 221         else
 222                 dst = rte_pktmbuf_mtod(op->sym->m_dst, uint8_t *);
 223         iv_ptr = rte_crypto_op_ctod_offset(op, uint8_t *,
 224                         session->cipher_iv_offset);
 225         iv = *((uint64_t *)(iv_ptr));
 226         length_in_bits = op->sym->cipher.data.length;
 227
 228         IMB_KASUMI_F8_1_BUFFER_BIT(qp->mgr, &session->pKeySched_cipher, iv,
 229                         src, dst, length_in_bits, offset_in_bits);
 230
 231         return 1;
 232 }
 233
 234 /** Generate/verify hash from mbufs with same hash key. */
 235 static int
 236 process_kasumi_hash_op(struct kasumi_qp *qp, struct rte_crypto_op **ops,
 237                 struct kasumi_session *session,
 238                 uint8_t num_ops)
 239 {
 240         unsigned i;
 241         uint8_t processed_ops = 0;
 242         uint8_t *src, *dst;
 243         uint32_t length_in_bits;
 244         uint32_t num_bytes;
 245
 246         for (i = 0; i < num_ops; i++) {
 247                 /* Data must be byte aligned */
 248                 if ((ops[i]->sym->auth.data.offset % BYTE_LEN) != 0) {
 249                         ops[i]->status = RTE_CRYPTO_OP_STATUS_INVALID_ARGS;
 250                         KASUMI_LOG(ERR, "Invalid Offset");
 251                         break;
 252                 }
 253
 254                 length_in_bits = ops[i]->sym->auth.data.length;
 255
 256                 src = rte_pktmbuf_mtod(ops[i]->sym->m_src, uint8_t *) +
 257                                 (ops[i]->sym->auth.data.offset >> 3);
 258                 /* Direction from next bit after end of message */
 259                 num_bytes = length_in_bits >> 3;
 260
 261                 if (session->auth_op == RTE_CRYPTO_AUTH_OP_VERIFY) {
 262                         dst = qp->temp_digest;
 263                         IMB_KASUMI_F9_1_BUFFER(qp->mgr,
 264                                         &session->pKeySched_hash, src,
 265                                         num_bytes, dst);
 266
 267                         /* Verify digest. */
 268                         if (memcmp(dst, ops[i]->sym->auth.digest.data,
 269                                         KASUMI_DIGEST_LENGTH) != 0)
 270                                 ops[i]->status = RTE_CRYPTO_OP_STATUS_AUTH_FAILED;
 271                 } else  {
 272                         dst = ops[i]->sym->auth.digest.data;
 273
 274                         IMB_KASUMI_F9_1_BUFFER(qp->mgr,
 275                                         &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(qp, 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(qp, 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(qp, 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_existing_header_session_size(
 329                                         ops[i]->sym->session));
 330                         rte_mempool_put(qp->sess_mp_priv, session);
 331                         rte_mempool_put(qp->sess_mp, ops[i]->sym->session);
 332                         ops[i]->sym->session = NULL;
 333                 }
 334         }
 335
 336         enqueued_ops = rte_ring_enqueue_burst(qp->processed_ops,
 337                                 (void **)ops, processed_ops, NULL);
 338         qp->qp_stats.enqueued_count += enqueued_ops;
 339         *accumulated_enqueued_ops += enqueued_ops;
 340
 341         return enqueued_ops;
 342 }
 343
 344 /** Process a crypto op with length/offset in bits. */
 345 static int
 346 process_op_bit(struct rte_crypto_op *op, struct kasumi_session *session,
 347                 struct kasumi_qp *qp, uint16_t *accumulated_enqueued_ops)
 348 {
 349         unsigned enqueued_op, processed_op;
 350
 351         switch (session->op) {
 352         case KASUMI_OP_ONLY_CIPHER:
 353                 processed_op = process_kasumi_cipher_op_bit(qp, op,
 354                                 session);
 355                 break;
 356         case KASUMI_OP_ONLY_AUTH:
 357                 processed_op = process_kasumi_hash_op(qp, &op, session, 1);
 358                 break;
 359         case KASUMI_OP_CIPHER_AUTH:
 360                 processed_op = process_kasumi_cipher_op_bit(qp, op, session);
 361                 if (processed_op == 1)
 362                         process_kasumi_hash_op(qp, &op, session, 1);
 363                 break;
 364         case KASUMI_OP_AUTH_CIPHER:
 365                 processed_op = process_kasumi_hash_op(qp, &op, session, 1);
 366                 if (processed_op == 1)
 367                         process_kasumi_cipher_op_bit(qp, op, session);
 368                 break;
 369         default:
 370                 /* Operation not supported. */
 371                 processed_op = 0;
 372         }
 373
 374         /*
 375          * If there was no error/authentication failure,
 376          * change status to successful.
 377          */
 378         if (op->status == RTE_CRYPTO_OP_STATUS_NOT_PROCESSED)
 379                 op->status = RTE_CRYPTO_OP_STATUS_SUCCESS;
 380
 381         /* Free session if a session-less crypto op. */
 382         if (op->sess_type == RTE_CRYPTO_OP_SESSIONLESS) {
 383                 memset(op->sym->session, 0, sizeof(struct kasumi_session));
 384                 rte_cryptodev_sym_session_free(op->sym->session);
 385                 op->sym->session = NULL;
 386         }
 387
 388         enqueued_op = rte_ring_enqueue_burst(qp->processed_ops, (void **)&op,
 389                                 processed_op, NULL);
 390         qp->qp_stats.enqueued_count += enqueued_op;
 391         *accumulated_enqueued_ops += enqueued_op;
 392
 393         return enqueued_op;
 394 }
 395
 396 static uint16_t
 397 kasumi_pmd_enqueue_burst(void *queue_pair, struct rte_crypto_op **ops,
 398                 uint16_t nb_ops)
 399 {
 400         struct rte_crypto_op *c_ops[nb_ops];
 401         struct rte_crypto_op *curr_c_op;
 402
 403         struct kasumi_session *prev_sess = NULL, *curr_sess = NULL;
 404         struct kasumi_qp *qp = queue_pair;
 405         unsigned i;
 406         uint8_t burst_size = 0;
 407         uint16_t enqueued_ops = 0;
 408         uint8_t processed_ops;
 409
 410         for (i = 0; i < nb_ops; i++) {
 411                 curr_c_op = ops[i];
 412
 413 #ifdef RTE_LIBRTE_PMD_KASUMI_DEBUG
 414                 if (!rte_pktmbuf_is_contiguous(curr_c_op->sym->m_src) ||
 415                                 (curr_c_op->sym->m_dst != NULL &&
 416                                 !rte_pktmbuf_is_contiguous(
 417                                                 curr_c_op->sym->m_dst))) {
 418                         KASUMI_LOG(ERR, "PMD supports only contiguous mbufs, "
 419                                 "op (%p) provides noncontiguous mbuf as "
 420                                 "source/destination buffer.", curr_c_op);
 421                         curr_c_op->status = RTE_CRYPTO_OP_STATUS_INVALID_ARGS;
 422                         break;
 423                 }
 424 #endif
 425
 426                 /* Set status as enqueued (not processed yet) by default. */
 427                 curr_c_op->status = RTE_CRYPTO_OP_STATUS_NOT_PROCESSED;
 428
 429                 curr_sess = kasumi_get_session(qp, curr_c_op);
 430                 if (unlikely(curr_sess == NULL ||
 431                                 curr_sess->op == KASUMI_OP_NOT_SUPPORTED)) {
 432                         curr_c_op->status =
 433                                         RTE_CRYPTO_OP_STATUS_INVALID_SESSION;
 434                         break;
 435                 }
 436
 437                 /* If length/offset is at bit-level, process this buffer alone. */
 438                 if (((curr_c_op->sym->cipher.data.length % BYTE_LEN) != 0)
 439                                 || ((ops[i]->sym->cipher.data.offset
 440                                         % BYTE_LEN) != 0)) {
 441                         /* Process the ops of the previous session. */
 442                         if (prev_sess != NULL) {
 443                                 processed_ops = process_ops(c_ops, prev_sess,
 444                                                 qp, burst_size, &enqueued_ops);
 445                                 if (processed_ops < burst_size) {
 446                                         burst_size = 0;
 447                                         break;
 448                                 }
 449
 450                                 burst_size = 0;
 451                                 prev_sess = NULL;
 452                         }
 453
 454                         processed_ops = process_op_bit(curr_c_op, curr_sess,
 455                                                 qp, &enqueued_ops);
 456                         if (processed_ops != 1)
 457                                 break;
 458
 459                         continue;
 460                 }
 461
 462                 /* Batch ops that share the same session. */
 463                 if (prev_sess == NULL) {
 464                         prev_sess = curr_sess;
 465                         c_ops[burst_size++] = curr_c_op;
 466                 } else if (curr_sess == prev_sess) {
 467                         c_ops[burst_size++] = curr_c_op;
 468                         /*
 469                          * When there are enough ops to process in a batch,
 470                          * process them, and start a new batch.
 471                          */
 472                         if (burst_size == KASUMI_MAX_BURST) {
 473                                 processed_ops = process_ops(c_ops, prev_sess,
 474                                                 qp, burst_size, &enqueued_ops);
 475                                 if (processed_ops < burst_size) {
 476                                         burst_size = 0;
 477                                         break;
 478                                 }
 479
 480                                 burst_size = 0;
 481                                 prev_sess = NULL;
 482                         }
 483                 } else {
 484                         /*
 485                          * Different session, process the ops
 486                          * of the previous session.
 487                          */
 488                         processed_ops = process_ops(c_ops, prev_sess,
 489                                         qp, burst_size, &enqueued_ops);
 490                         if (processed_ops < burst_size) {
 491                                 burst_size = 0;
 492                                 break;
 493                         }
 494
 495                         burst_size = 0;
 496                         prev_sess = curr_sess;
 497
 498                         c_ops[burst_size++] = curr_c_op;
 499                 }
 500         }
 501
 502         if (burst_size != 0) {
 503                 /* Process the crypto ops of the last session. */
 504                 processed_ops = process_ops(c_ops, prev_sess,
 505                                 qp, burst_size, &enqueued_ops);
 506         }
 507
 508         qp->qp_stats.enqueue_err_count += nb_ops - enqueued_ops;
 509         return enqueued_ops;
 510 }
 511
 512 static uint16_t
 513 kasumi_pmd_dequeue_burst(void *queue_pair,
 514                 struct rte_crypto_op **c_ops, uint16_t nb_ops)
 515 {
 516         struct kasumi_qp *qp = queue_pair;
 517
 518         unsigned nb_dequeued;
 519
 520         nb_dequeued = rte_ring_dequeue_burst(qp->processed_ops,
 521                         (void **)c_ops, nb_ops, NULL);
 522         qp->qp_stats.dequeued_count += nb_dequeued;
 523
 524         return nb_dequeued;
 525 }
 526
 527 static int cryptodev_kasumi_remove(struct rte_vdev_device *vdev);
 528
 529 static int
 530 cryptodev_kasumi_create(const char *name,
 531                         struct rte_vdev_device *vdev,
 532                         struct rte_cryptodev_pmd_init_params *init_params)
 533 {
 534         struct rte_cryptodev *dev;
 535         struct kasumi_private *internals;
 536         MB_MGR *mgr;
 537
 538         dev = rte_cryptodev_pmd_create(name, &vdev->device, init_params);
 539         if (dev == NULL) {
 540                 KASUMI_LOG(ERR, "failed to create cryptodev vdev");
 541                 goto init_error;
 542         }
 543
 544         dev->driver_id = cryptodev_driver_id;
 545         dev->dev_ops = rte_kasumi_pmd_ops;
 546
 547         /* Register RX/TX burst functions for data path. */
 548         dev->dequeue_burst = kasumi_pmd_dequeue_burst;
 549         dev->enqueue_burst = kasumi_pmd_enqueue_burst;
 550
 551         dev->feature_flags = RTE_CRYPTODEV_FF_SYMMETRIC_CRYPTO |
 552                         RTE_CRYPTODEV_FF_SYM_OPERATION_CHAINING |
 553                         RTE_CRYPTODEV_FF_NON_BYTE_ALIGNED_DATA |
 554                         RTE_CRYPTODEV_FF_SYM_SESSIONLESS |
 555                         RTE_CRYPTODEV_FF_OOP_LB_IN_LB_OUT;
 556
 557         mgr = alloc_mb_mgr(0);
 558         if (mgr == NULL)
 559                 return -ENOMEM;
 560
 561         if (rte_cpu_get_flag_enabled(RTE_CPUFLAG_AVX)) {
 562                 dev->feature_flags |= RTE_CRYPTODEV_FF_CPU_AVX;
 563                 init_mb_mgr_avx(mgr);
 564         } else {
 565                 dev->feature_flags |= RTE_CRYPTODEV_FF_CPU_SSE;
 566                 init_mb_mgr_sse(mgr);
 567         }
 568
 569         internals = dev->data->dev_private;
 570
 571         internals->max_nb_queue_pairs = init_params->max_nb_queue_pairs;
 572         internals->mgr = mgr;
 573
 574         return 0;
 575 init_error:
 576         KASUMI_LOG(ERR, "driver %s: failed",
 577                         init_params->name);
 578
 579         cryptodev_kasumi_remove(vdev);
 580         return -EFAULT;
 581 }
 582
 583 static int
 584 cryptodev_kasumi_probe(struct rte_vdev_device *vdev)
 585 {
 586         struct rte_cryptodev_pmd_init_params init_params = {
 587                 "",
 588                 sizeof(struct kasumi_private),
 589                 rte_socket_id(),
 590                 RTE_CRYPTODEV_PMD_DEFAULT_MAX_NB_QUEUE_PAIRS
 591         };
 592         const char *name;
 593         const char *input_args;
 594
 595         name = rte_vdev_device_name(vdev);
 596         if (name == NULL)
 597                 return -EINVAL;
 598         input_args = rte_vdev_device_args(vdev);
 599
 600         rte_cryptodev_pmd_parse_input_args(&init_params, input_args);
 601
 602         return cryptodev_kasumi_create(name, vdev, &init_params);
 603 }
 604
 605 static int
 606 cryptodev_kasumi_remove(struct rte_vdev_device *vdev)
 607 {
 608         struct rte_cryptodev *cryptodev;
 609         const char *name;
 610         struct kasumi_private *internals;
 611
 612         name = rte_vdev_device_name(vdev);
 613         if (name == NULL)
 614                 return -EINVAL;
 615
 616         cryptodev = rte_cryptodev_pmd_get_named_dev(name);
 617         if (cryptodev == NULL)
 618                 return -ENODEV;
 619
 620         internals = cryptodev->data->dev_private;
 621
 622         free_mb_mgr(internals->mgr);
 623
 624         return rte_cryptodev_pmd_destroy(cryptodev);
 625 }
 626
 627 static struct rte_vdev_driver cryptodev_kasumi_pmd_drv = {
 628         .probe = cryptodev_kasumi_probe,
 629         .remove = cryptodev_kasumi_remove
 630 };
 631
 632 static struct cryptodev_driver kasumi_crypto_drv;
 633
 634 RTE_PMD_REGISTER_VDEV(CRYPTODEV_NAME_KASUMI_PMD, cryptodev_kasumi_pmd_drv);
 635 RTE_PMD_REGISTER_ALIAS(CRYPTODEV_NAME_KASUMI_PMD, cryptodev_kasumi_pmd);
 636 RTE_PMD_REGISTER_PARAM_STRING(CRYPTODEV_NAME_KASUMI_PMD,
 637         "max_nb_queue_pairs=<int> "
 638         "socket_id=<int>");
 639 RTE_PMD_REGISTER_CRYPTO_DRIVER(kasumi_crypto_drv,
 640                 cryptodev_kasumi_pmd_drv.driver, cryptodev_driver_id);
 641
 642 RTE_LOG_REGISTER(kasumi_logtype_driver, pmd.crypto.kasumi, NOTICE);