drivers/crypto/kasumi/rte_kasumi_pmd.c

   1 /*-
   2  *   BSD LICENSE
   3  *
   4  *   Copyright(c) 2016-2017 Intel Corporation. All rights reserved.
   5  *
   6  *   Redistribution and use in source and binary forms, with or without
   7  *   modification, are permitted provided that the following conditions
   8  *   are met:
   9  *
  10  *     * Redistributions of source code must retain the above copyright
  11  *       notice, this list of conditions and the following disclaimer.
  12  *     * Redistributions in binary form must reproduce the above copyright
  13  *       notice, this list of conditions and the following disclaimer in
  14  *       the documentation and/or other materials provided with the
  15  *       distribution.
  16  *     * Neither the name of Intel Corporation nor the names of its
  17  *       contributors may be used to endorse or promote products derived
  18  *       from this software without specific prior written permission.
  19  *
  20  *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  21  *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  22  *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  23  *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  24  *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  25  *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  26  *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  27  *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  28  *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  29  *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  30  *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  31  */
  32
  33 #include <rte_common.h>
  34 #include <rte_config.h>
  35 #include <rte_hexdump.h>
  36 #include <rte_cryptodev.h>
  37 #include <rte_cryptodev_pmd.h>
  38 #include <rte_cryptodev_vdev.h>
  39 #include <rte_vdev.h>
  40 #include <rte_malloc.h>
  41 #include <rte_cpuflags.h>
  42
  43 #include "rte_kasumi_pmd_private.h"
  44
  45 #define KASUMI_KEY_LENGTH 16
  46 #define KASUMI_IV_LENGTH 8
  47 #define KASUMI_DIGEST_LENGTH 4
  48 #define KASUMI_MAX_BURST 4
  49 #define BYTE_LEN 8
  50
  51 /** Get xform chain order. */
  52 static enum kasumi_operation
  53 kasumi_get_mode(const struct rte_crypto_sym_xform *xform)
  54 {
  55         if (xform == NULL)
  56                 return KASUMI_OP_NOT_SUPPORTED;
  57
  58         if (xform->next)
  59                 if (xform->next->next != NULL)
  60                         return KASUMI_OP_NOT_SUPPORTED;
  61
  62         if (xform->type == RTE_CRYPTO_SYM_XFORM_AUTH) {
  63                 if (xform->next == NULL)
  64                         return KASUMI_OP_ONLY_AUTH;
  65                 else if (xform->next->type == RTE_CRYPTO_SYM_XFORM_CIPHER)
  66                         return KASUMI_OP_AUTH_CIPHER;
  67                 else
  68                         return KASUMI_OP_NOT_SUPPORTED;
  69         }
  70
  71         if (xform->type == RTE_CRYPTO_SYM_XFORM_CIPHER) {
  72                 if (xform->next == NULL)
  73                         return KASUMI_OP_ONLY_CIPHER;
  74                 else if (xform->next->type == RTE_CRYPTO_SYM_XFORM_AUTH)
  75                         return KASUMI_OP_CIPHER_AUTH;
  76                 else
  77                         return KASUMI_OP_NOT_SUPPORTED;
  78         }
  79
  80         return KASUMI_OP_NOT_SUPPORTED;
  81 }
  82
  83
  84 /** Parse crypto xform chain and set private session parameters. */
  85 int
  86 kasumi_set_session_parameters(struct kasumi_session *sess,
  87                 const struct rte_crypto_sym_xform *xform)
  88 {
  89         const struct rte_crypto_sym_xform *auth_xform = NULL;
  90         const struct rte_crypto_sym_xform *cipher_xform = NULL;
  91         enum kasumi_operation mode;
  92
  93         /* Select Crypto operation - hash then cipher / cipher then hash */
  94         mode = kasumi_get_mode(xform);
  95
  96         switch (mode) {
  97         case KASUMI_OP_CIPHER_AUTH:
  98                 auth_xform = xform->next;
  99                 /* Fall-through */
 100         case KASUMI_OP_ONLY_CIPHER:
 101                 cipher_xform = xform;
 102                 break;
 103         case KASUMI_OP_AUTH_CIPHER:
 104                 cipher_xform = xform->next;
 105                 /* Fall-through */
 106         case KASUMI_OP_ONLY_AUTH:
 107                 auth_xform = xform;
 108                 break;
 109         case KASUMI_OP_NOT_SUPPORTED:
 110         default:
 111                 KASUMI_LOG_ERR("Unsupported operation chain order parameter");
 112                 return -EINVAL;
 113         }
 114
 115         if (cipher_xform) {
 116                 /* Only KASUMI F8 supported */
 117                 if (cipher_xform->cipher.algo != RTE_CRYPTO_CIPHER_KASUMI_F8)
 118                         return -EINVAL;
 119                 /* Initialize key */
 120                 sso_kasumi_init_f8_key_sched(cipher_xform->cipher.key.data,
 121                                 &sess->pKeySched_cipher);
 122         }
 123
 124         if (auth_xform) {
 125                 /* Only KASUMI F9 supported */
 126                 if (auth_xform->auth.algo != RTE_CRYPTO_AUTH_KASUMI_F9)
 127                         return -EINVAL;
 128                 sess->auth_op = auth_xform->auth.op;
 129                 /* Initialize key */
 130                 sso_kasumi_init_f9_key_sched(auth_xform->auth.key.data,
 131                                 &sess->pKeySched_hash);
 132         }
 133
 134
 135         sess->op = mode;
 136
 137         return 0;
 138 }
 139
 140 /** Get KASUMI session. */
 141 static struct kasumi_session *
 142 kasumi_get_session(struct kasumi_qp *qp, struct rte_crypto_op *op)
 143 {
 144         struct kasumi_session *sess;
 145
 146         if (op->sess_type == RTE_CRYPTO_OP_WITH_SESSION) {
 147                 if (unlikely(op->sym->session->dev_type !=
 148                                 RTE_CRYPTODEV_KASUMI_PMD))
 149                         return NULL;
 150
 151                 sess = (struct kasumi_session *)op->sym->session->_private;
 152         } else  {
 153                 struct rte_cryptodev_session *c_sess = NULL;
 154
 155                 if (rte_mempool_get(qp->sess_mp, (void **)&c_sess))
 156                         return NULL;
 157
 158                 sess = (struct kasumi_session *)c_sess->_private;
 159
 160                 if (unlikely(kasumi_set_session_parameters(sess,
 161                                 op->sym->xform) != 0))
 162                         return NULL;
 163         }
 164
 165         return sess;
 166 }
 167
 168 /** Encrypt/decrypt mbufs with same cipher key. */
 169 static uint8_t
 170 process_kasumi_cipher_op(struct rte_crypto_op **ops,
 171                 struct kasumi_session *session,
 172                 uint8_t num_ops)
 173 {
 174         unsigned i;
 175         uint8_t processed_ops = 0;
 176         uint8_t *src[num_ops], *dst[num_ops];
 177         uint8_t *iv_ptr;
 178         uint64_t iv[num_ops];
 179         uint32_t num_bytes[num_ops];
 180
 181         for (i = 0; i < num_ops; i++) {
 182                 /* Sanity checks. */
 183                 if (ops[i]->sym->cipher.iv.length != KASUMI_IV_LENGTH) {
 184                         ops[i]->status = RTE_CRYPTO_OP_STATUS_INVALID_ARGS;
 185                         KASUMI_LOG_ERR("iv");
 186                         break;
 187                 }
 188
 189                 src[i] = rte_pktmbuf_mtod(ops[i]->sym->m_src, uint8_t *) +
 190                                 (ops[i]->sym->cipher.data.offset >> 3);
 191                 dst[i] = ops[i]->sym->m_dst ?
 192                         rte_pktmbuf_mtod(ops[i]->sym->m_dst, uint8_t *) +
 193                                 (ops[i]->sym->cipher.data.offset >> 3) :
 194                         rte_pktmbuf_mtod(ops[i]->sym->m_src, uint8_t *) +
 195                                 (ops[i]->sym->cipher.data.offset >> 3);
 196                 iv_ptr = rte_crypto_op_ctod_offset(ops[i], uint8_t *,
 197                                 ops[i]->sym->cipher.iv.offset);
 198                 iv[i] = *((uint64_t *)(iv_ptr));
 199                 num_bytes[i] = ops[i]->sym->cipher.data.length >> 3;
 200
 201                 processed_ops++;
 202         }
 203
 204         if (processed_ops != 0)
 205                 sso_kasumi_f8_n_buffer(&session->pKeySched_cipher, iv,
 206                         src, dst, num_bytes, processed_ops);
 207
 208         return processed_ops;
 209 }
 210
 211 /** Encrypt/decrypt mbuf (bit level function). */
 212 static uint8_t
 213 process_kasumi_cipher_op_bit(struct rte_crypto_op *op,
 214                 struct kasumi_session *session)
 215 {
 216         uint8_t *src, *dst;
 217         uint8_t *iv_ptr;
 218         uint64_t iv;
 219         uint32_t length_in_bits, offset_in_bits;
 220
 221         /* Sanity checks. */
 222         if (unlikely(op->sym->cipher.iv.length != KASUMI_IV_LENGTH)) {
 223                 op->status = RTE_CRYPTO_OP_STATUS_INVALID_ARGS;
 224                 KASUMI_LOG_ERR("iv");
 225                 return 0;
 226         }
 227
 228         offset_in_bits = op->sym->cipher.data.offset;
 229         src = rte_pktmbuf_mtod(op->sym->m_src, uint8_t *);
 230         if (op->sym->m_dst == NULL) {
 231                 op->status = RTE_CRYPTO_OP_STATUS_INVALID_ARGS;
 232                 KASUMI_LOG_ERR("bit-level in-place not supported\n");
 233                 return 0;
 234         }
 235         dst = rte_pktmbuf_mtod(op->sym->m_dst, uint8_t *);
 236         iv_ptr = rte_crypto_op_ctod_offset(op, uint8_t *,
 237                         op->sym->cipher.iv.offset);
 238         iv = *((uint64_t *)(iv_ptr));
 239         length_in_bits = op->sym->cipher.data.length;
 240
 241         sso_kasumi_f8_1_buffer_bit(&session->pKeySched_cipher, iv,
 242                         src, dst, length_in_bits, offset_in_bits);
 243
 244         return 1;
 245 }
 246
 247 /** Generate/verify hash from mbufs with same hash key. */
 248 static int
 249 process_kasumi_hash_op(struct rte_crypto_op **ops,
 250                 struct kasumi_session *session,
 251                 uint8_t num_ops)
 252 {
 253         unsigned i;
 254         uint8_t processed_ops = 0;
 255         uint8_t *src, *dst;
 256         uint32_t length_in_bits;
 257         uint32_t num_bytes;
 258         uint32_t shift_bits;
 259         uint64_t iv;
 260         uint8_t direction;
 261
 262         for (i = 0; i < num_ops; i++) {
 263                 if (unlikely(ops[i]->sym->auth.aad.length != KASUMI_IV_LENGTH)) {
 264                         ops[i]->status = RTE_CRYPTO_OP_STATUS_INVALID_ARGS;
 265                         KASUMI_LOG_ERR("aad");
 266                         break;
 267                 }
 268
 269                 if (unlikely(ops[i]->sym->auth.digest.length != KASUMI_DIGEST_LENGTH)) {
 270                         ops[i]->status = RTE_CRYPTO_OP_STATUS_INVALID_ARGS;
 271                         KASUMI_LOG_ERR("digest");
 272                         break;
 273                 }
 274
 275                 /* Data must be byte aligned */
 276                 if ((ops[i]->sym->auth.data.offset % BYTE_LEN) != 0) {
 277                         ops[i]->status = RTE_CRYPTO_OP_STATUS_INVALID_ARGS;
 278                         KASUMI_LOG_ERR("offset");
 279                         break;
 280                 }
 281
 282                 length_in_bits = ops[i]->sym->auth.data.length;
 283
 284                 src = rte_pktmbuf_mtod(ops[i]->sym->m_src, uint8_t *) +
 285                                 (ops[i]->sym->auth.data.offset >> 3);
 286                 /* IV from AAD */
 287                 iv = *((uint64_t *)(ops[i]->sym->auth.aad.data));
 288                 /* Direction from next bit after end of message */
 289                 num_bytes = (length_in_bits >> 3) + 1;
 290                 shift_bits = (BYTE_LEN - 1 - length_in_bits) % BYTE_LEN;
 291                 direction = (src[num_bytes - 1] >> shift_bits) & 0x01;
 292
 293                 if (session->auth_op == RTE_CRYPTO_AUTH_OP_VERIFY) {
 294                         dst = (uint8_t *)rte_pktmbuf_append(ops[i]->sym->m_src,
 295                                         ops[i]->sym->auth.digest.length);
 296
 297                         sso_kasumi_f9_1_buffer_user(&session->pKeySched_hash,
 298                                         iv, src,
 299                                         length_in_bits, dst, direction);
 300                         /* Verify digest. */
 301                         if (memcmp(dst, ops[i]->sym->auth.digest.data,
 302                                         ops[i]->sym->auth.digest.length) != 0)
 303                                 ops[i]->status = RTE_CRYPTO_OP_STATUS_AUTH_FAILED;
 304
 305                         /* Trim area used for digest from mbuf. */
 306                         rte_pktmbuf_trim(ops[i]->sym->m_src,
 307                                         ops[i]->sym->auth.digest.length);
 308                 } else  {
 309                         dst = ops[i]->sym->auth.digest.data;
 310
 311                         sso_kasumi_f9_1_buffer_user(&session->pKeySched_hash,
 312                                         iv, src,
 313                                         length_in_bits, dst, direction);
 314                 }
 315                 processed_ops++;
 316         }
 317
 318         return processed_ops;
 319 }
 320
 321 /** Process a batch of crypto ops which shares the same session. */
 322 static int
 323 process_ops(struct rte_crypto_op **ops, struct kasumi_session *session,
 324                 struct kasumi_qp *qp, uint8_t num_ops,
 325                 uint16_t *accumulated_enqueued_ops)
 326 {
 327         unsigned i;
 328         unsigned enqueued_ops, processed_ops;
 329
 330         switch (session->op) {
 331         case KASUMI_OP_ONLY_CIPHER:
 332                 processed_ops = process_kasumi_cipher_op(ops,
 333                                 session, num_ops);
 334                 break;
 335         case KASUMI_OP_ONLY_AUTH:
 336                 processed_ops = process_kasumi_hash_op(ops, session,
 337                                 num_ops);
 338                 break;
 339         case KASUMI_OP_CIPHER_AUTH:
 340                 processed_ops = process_kasumi_cipher_op(ops, session,
 341                                 num_ops);
 342                 process_kasumi_hash_op(ops, session, processed_ops);
 343                 break;
 344         case KASUMI_OP_AUTH_CIPHER:
 345                 processed_ops = process_kasumi_hash_op(ops, session,
 346                                 num_ops);
 347                 process_kasumi_cipher_op(ops, session, processed_ops);
 348                 break;
 349         default:
 350                 /* Operation not supported. */
 351                 processed_ops = 0;
 352         }
 353
 354         for (i = 0; i < num_ops; i++) {
 355                 /*
 356                  * If there was no error/authentication failure,
 357                  * change status to successful.
 358                  */
 359                 if (ops[i]->status == RTE_CRYPTO_OP_STATUS_NOT_PROCESSED)
 360                         ops[i]->status = RTE_CRYPTO_OP_STATUS_SUCCESS;
 361                 /* Free session if a session-less crypto op. */
 362                 if (ops[i]->sess_type == RTE_CRYPTO_OP_SESSIONLESS) {
 363                         rte_mempool_put(qp->sess_mp, ops[i]->sym->session);
 364                         ops[i]->sym->session = NULL;
 365                 }
 366         }
 367
 368         enqueued_ops = rte_ring_enqueue_burst(qp->processed_ops,
 369                                 (void **)ops, processed_ops, NULL);
 370         qp->qp_stats.enqueued_count += enqueued_ops;
 371         *accumulated_enqueued_ops += enqueued_ops;
 372
 373         return enqueued_ops;
 374 }
 375
 376 /** Process a crypto op with length/offset in bits. */
 377 static int
 378 process_op_bit(struct rte_crypto_op *op, struct kasumi_session *session,
 379                 struct kasumi_qp *qp, uint16_t *accumulated_enqueued_ops)
 380 {
 381         unsigned enqueued_op, processed_op;
 382
 383         switch (session->op) {
 384         case KASUMI_OP_ONLY_CIPHER:
 385                 processed_op = process_kasumi_cipher_op_bit(op,
 386                                 session);
 387                 break;
 388         case KASUMI_OP_ONLY_AUTH:
 389                 processed_op = process_kasumi_hash_op(&op, session, 1);
 390                 break;
 391         case KASUMI_OP_CIPHER_AUTH:
 392                 processed_op = process_kasumi_cipher_op_bit(op, session);
 393                 if (processed_op == 1)
 394                         process_kasumi_hash_op(&op, session, 1);
 395                 break;
 396         case KASUMI_OP_AUTH_CIPHER:
 397                 processed_op = process_kasumi_hash_op(&op, session, 1);
 398                 if (processed_op == 1)
 399                         process_kasumi_cipher_op_bit(op, session);
 400                 break;
 401         default:
 402                 /* Operation not supported. */
 403                 processed_op = 0;
 404         }
 405
 406         /*
 407          * If there was no error/authentication failure,
 408          * change status to successful.
 409          */
 410         if (op->status == RTE_CRYPTO_OP_STATUS_NOT_PROCESSED)
 411                 op->status = RTE_CRYPTO_OP_STATUS_SUCCESS;
 412
 413         /* Free session if a session-less crypto op. */
 414         if (op->sess_type == RTE_CRYPTO_OP_SESSIONLESS) {
 415                 rte_mempool_put(qp->sess_mp, op->sym->session);
 416                 op->sym->session = NULL;
 417         }
 418
 419         enqueued_op = rte_ring_enqueue_burst(qp->processed_ops, (void **)&op,
 420                                 processed_op, NULL);
 421         qp->qp_stats.enqueued_count += enqueued_op;
 422         *accumulated_enqueued_ops += enqueued_op;
 423
 424         return enqueued_op;
 425 }
 426
 427 static uint16_t
 428 kasumi_pmd_enqueue_burst(void *queue_pair, struct rte_crypto_op **ops,
 429                 uint16_t nb_ops)
 430 {
 431         struct rte_crypto_op *c_ops[nb_ops];
 432         struct rte_crypto_op *curr_c_op;
 433
 434         struct kasumi_session *prev_sess = NULL, *curr_sess = NULL;
 435         struct kasumi_qp *qp = queue_pair;
 436         unsigned i;
 437         uint8_t burst_size = 0;
 438         uint16_t enqueued_ops = 0;
 439         uint8_t processed_ops;
 440
 441         for (i = 0; i < nb_ops; i++) {
 442                 curr_c_op = ops[i];
 443
 444 #ifdef RTE_LIBRTE_PMD_KASUMI_DEBUG
 445                 if (!rte_pktmbuf_is_contiguous(curr_c_op->sym->m_src) ||
 446                                 (curr_c_op->sym->m_dst != NULL &&
 447                                 !rte_pktmbuf_is_contiguous(
 448                                                 curr_c_op->sym->m_dst))) {
 449                         KASUMI_LOG_ERR("PMD supports only contiguous mbufs, "
 450                                 "op (%p) provides noncontiguous mbuf as "
 451                                 "source/destination buffer.\n", curr_c_op);
 452                         curr_c_op->status = RTE_CRYPTO_OP_STATUS_INVALID_ARGS;
 453                         break;
 454                 }
 455 #endif
 456
 457                 /* Set status as enqueued (not processed yet) by default. */
 458                 curr_c_op->status = RTE_CRYPTO_OP_STATUS_NOT_PROCESSED;
 459
 460                 curr_sess = kasumi_get_session(qp, curr_c_op);
 461                 if (unlikely(curr_sess == NULL ||
 462                                 curr_sess->op == KASUMI_OP_NOT_SUPPORTED)) {
 463                         curr_c_op->status =
 464                                         RTE_CRYPTO_OP_STATUS_INVALID_SESSION;
 465                         break;
 466                 }
 467
 468                 /* If length/offset is at bit-level, process this buffer alone. */
 469                 if (((curr_c_op->sym->cipher.data.length % BYTE_LEN) != 0)
 470                                 || ((ops[i]->sym->cipher.data.offset
 471                                         % BYTE_LEN) != 0)) {
 472                         /* Process the ops of the previous session. */
 473                         if (prev_sess != NULL) {
 474                                 processed_ops = process_ops(c_ops, prev_sess,
 475                                                 qp, burst_size, &enqueued_ops);
 476                                 if (processed_ops < burst_size) {
 477                                         burst_size = 0;
 478                                         break;
 479                                 }
 480
 481                                 burst_size = 0;
 482                                 prev_sess = NULL;
 483                         }
 484
 485                         processed_ops = process_op_bit(curr_c_op, curr_sess,
 486                                                 qp, &enqueued_ops);
 487                         if (processed_ops != 1)
 488                                 break;
 489
 490                         continue;
 491                 }
 492
 493                 /* Batch ops that share the same session. */
 494                 if (prev_sess == NULL) {
 495                         prev_sess = curr_sess;
 496                         c_ops[burst_size++] = curr_c_op;
 497                 } else if (curr_sess == prev_sess) {
 498                         c_ops[burst_size++] = curr_c_op;
 499                         /*
 500                          * When there are enough ops to process in a batch,
 501                          * process them, and start a new batch.
 502                          */
 503                         if (burst_size == KASUMI_MAX_BURST) {
 504                                 processed_ops = process_ops(c_ops, prev_sess,
 505                                                 qp, burst_size, &enqueued_ops);
 506                                 if (processed_ops < burst_size) {
 507                                         burst_size = 0;
 508                                         break;
 509                                 }
 510
 511                                 burst_size = 0;
 512                                 prev_sess = NULL;
 513                         }
 514                 } else {
 515                         /*
 516                          * Different session, process the ops
 517                          * of the previous session.
 518                          */
 519                         processed_ops = process_ops(c_ops, prev_sess,
 520                                         qp, burst_size, &enqueued_ops);
 521                         if (processed_ops < burst_size) {
 522                                 burst_size = 0;
 523                                 break;
 524                         }
 525
 526                         burst_size = 0;
 527                         prev_sess = curr_sess;
 528
 529                         c_ops[burst_size++] = curr_c_op;
 530                 }
 531         }
 532
 533         if (burst_size != 0) {
 534                 /* Process the crypto ops of the last session. */
 535                 processed_ops = process_ops(c_ops, prev_sess,
 536                                 qp, burst_size, &enqueued_ops);
 537         }
 538
 539         qp->qp_stats.enqueue_err_count += nb_ops - enqueued_ops;
 540         return enqueued_ops;
 541 }
 542
 543 static uint16_t
 544 kasumi_pmd_dequeue_burst(void *queue_pair,
 545                 struct rte_crypto_op **c_ops, uint16_t nb_ops)
 546 {
 547         struct kasumi_qp *qp = queue_pair;
 548
 549         unsigned nb_dequeued;
 550
 551         nb_dequeued = rte_ring_dequeue_burst(qp->processed_ops,
 552                         (void **)c_ops, nb_ops, NULL);
 553         qp->qp_stats.dequeued_count += nb_dequeued;
 554
 555         return nb_dequeued;
 556 }
 557
 558 static int cryptodev_kasumi_remove(struct rte_vdev_device *vdev);
 559
 560 static int
 561 cryptodev_kasumi_create(const char *name,
 562                         struct rte_vdev_device *vdev,
 563                         struct rte_crypto_vdev_init_params *init_params)
 564 {
 565         struct rte_cryptodev *dev;
 566         struct kasumi_private *internals;
 567         uint64_t cpu_flags = 0;
 568
 569         if (init_params->name[0] == '\0')
 570                 snprintf(init_params->name, sizeof(init_params->name),
 571                                 "%s", name);
 572
 573         /* Check CPU for supported vector instruction set */
 574         if (rte_cpu_get_flag_enabled(RTE_CPUFLAG_AVX))
 575                 cpu_flags |= RTE_CRYPTODEV_FF_CPU_AVX;
 576         else
 577                 cpu_flags |= RTE_CRYPTODEV_FF_CPU_SSE;
 578
 579         dev = rte_cryptodev_vdev_pmd_init(init_params->name,
 580                         sizeof(struct kasumi_private), init_params->socket_id,
 581                         vdev);
 582         if (dev == NULL) {
 583                 KASUMI_LOG_ERR("failed to create cryptodev vdev");
 584                 goto init_error;
 585         }
 586
 587         dev->dev_type = RTE_CRYPTODEV_KASUMI_PMD;
 588         dev->dev_ops = rte_kasumi_pmd_ops;
 589
 590         /* Register RX/TX burst functions for data path. */
 591         dev->dequeue_burst = kasumi_pmd_dequeue_burst;
 592         dev->enqueue_burst = kasumi_pmd_enqueue_burst;
 593
 594         dev->feature_flags = RTE_CRYPTODEV_FF_SYMMETRIC_CRYPTO |
 595                         RTE_CRYPTODEV_FF_SYM_OPERATION_CHAINING |
 596                         cpu_flags;
 597
 598         internals = dev->data->dev_private;
 599
 600         internals->max_nb_queue_pairs = init_params->max_nb_queue_pairs;
 601         internals->max_nb_sessions = init_params->max_nb_sessions;
 602
 603         return 0;
 604 init_error:
 605         KASUMI_LOG_ERR("driver %s: cryptodev_kasumi_create failed",
 606                         init_params->name);
 607
 608         cryptodev_kasumi_remove(vdev);
 609         return -EFAULT;
 610 }
 611
 612 static int
 613 cryptodev_kasumi_probe(struct rte_vdev_device *vdev)
 614 {
 615         struct rte_crypto_vdev_init_params init_params = {
 616                 RTE_CRYPTODEV_VDEV_DEFAULT_MAX_NB_QUEUE_PAIRS,
 617                 RTE_CRYPTODEV_VDEV_DEFAULT_MAX_NB_SESSIONS,
 618                 rte_socket_id(),
 619                 {0}
 620         };
 621         const char *name;
 622         const char *input_args;
 623
 624         name = rte_vdev_device_name(vdev);
 625         if (name == NULL)
 626                 return -EINVAL;
 627         input_args = rte_vdev_device_args(vdev);
 628
 629         rte_cryptodev_vdev_parse_init_params(&init_params, input_args);
 630
 631         RTE_LOG(INFO, PMD, "Initialising %s on NUMA node %d\n", name,
 632                         init_params.socket_id);
 633         if (init_params.name[0] != '\0')
 634                 RTE_LOG(INFO, PMD, "  User defined name = %s\n",
 635                         init_params.name);
 636         RTE_LOG(INFO, PMD, "  Max number of queue pairs = %d\n",
 637                         init_params.max_nb_queue_pairs);
 638         RTE_LOG(INFO, PMD, "  Max number of sessions = %d\n",
 639                         init_params.max_nb_sessions);
 640
 641         return cryptodev_kasumi_create(name, vdev, &init_params);
 642 }
 643
 644 static int
 645 cryptodev_kasumi_remove(struct rte_vdev_device *vdev)
 646 {
 647         const char *name;
 648
 649         name = rte_vdev_device_name(vdev);
 650         if (name == NULL)
 651                 return -EINVAL;
 652
 653         RTE_LOG(INFO, PMD, "Closing KASUMI crypto device %s"
 654                         " on numa socket %u\n",
 655                         name, rte_socket_id());
 656
 657         return 0;
 658 }
 659
 660 static struct rte_vdev_driver cryptodev_kasumi_pmd_drv = {
 661         .probe = cryptodev_kasumi_probe,
 662         .remove = cryptodev_kasumi_remove
 663 };
 664
 665 RTE_PMD_REGISTER_VDEV(CRYPTODEV_NAME_KASUMI_PMD, cryptodev_kasumi_pmd_drv);
 666 RTE_PMD_REGISTER_ALIAS(CRYPTODEV_NAME_KASUMI_PMD, cryptodev_kasumi_pmd);
 667 RTE_PMD_REGISTER_PARAM_STRING(CRYPTODEV_NAME_KASUMI_PMD,
 668         "max_nb_queue_pairs=<int> "
 669         "max_nb_sessions=<int> "
 670         "socket_id=<int>");