ceph/src/spdk/dpdk/drivers/crypto/octeontx/otx_cryptodev_ops.c

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2018 Cavium, Inc
   3  */
   4
   5 #include <rte_alarm.h>
   6 #include <rte_bus_pci.h>
   7 #include <rte_cryptodev.h>
   8 #include <rte_cryptodev_pmd.h>
   9 #include <rte_errno.h>
  10 #include <rte_malloc.h>
  11 #include <rte_mempool.h>
  12
  13 #include "cpt_pmd_logs.h"
  14 #include "cpt_ucode.h"
  15
  16 #include "otx_cryptodev.h"
  17 #include "otx_cryptodev_capabilities.h"
  18 #include "otx_cryptodev_hw_access.h"
  19 #include "otx_cryptodev_ops.h"
  20
  21 /* Forward declarations */
  22
  23 static int
  24 otx_cpt_que_pair_release(struct rte_cryptodev *dev, uint16_t que_pair_id);
  25
  26 /* Alarm routines */
  27
  28 static void
  29 otx_cpt_alarm_cb(void *arg)
  30 {
  31         struct cpt_vf *cptvf = arg;
  32         otx_cpt_poll_misc(cptvf);
  33         rte_eal_alarm_set(CPT_INTR_POLL_INTERVAL_MS * 1000,
  34                           otx_cpt_alarm_cb, cptvf);
  35 }
  36
  37 static int
  38 otx_cpt_periodic_alarm_start(void *arg)
  39 {
  40         return rte_eal_alarm_set(CPT_INTR_POLL_INTERVAL_MS * 1000,
  41                                  otx_cpt_alarm_cb, arg);
  42 }
  43
  44 static int
  45 otx_cpt_periodic_alarm_stop(void *arg)
  46 {
  47         return rte_eal_alarm_cancel(otx_cpt_alarm_cb, arg);
  48 }
  49
  50 /* PMD ops */
  51
  52 static int
  53 otx_cpt_dev_config(struct rte_cryptodev *dev __rte_unused,
  54                    struct rte_cryptodev_config *config __rte_unused)
  55 {
  56         CPT_PMD_INIT_FUNC_TRACE();
  57         return 0;
  58 }
  59
  60 static int
  61 otx_cpt_dev_start(struct rte_cryptodev *c_dev)
  62 {
  63         void *cptvf = c_dev->data->dev_private;
  64
  65         CPT_PMD_INIT_FUNC_TRACE();
  66
  67         return otx_cpt_start_device(cptvf);
  68 }
  69
  70 static void
  71 otx_cpt_dev_stop(struct rte_cryptodev *c_dev)
  72 {
  73         void *cptvf = c_dev->data->dev_private;
  74
  75         CPT_PMD_INIT_FUNC_TRACE();
  76
  77         otx_cpt_stop_device(cptvf);
  78 }
  79
  80 static int
  81 otx_cpt_dev_close(struct rte_cryptodev *c_dev)
  82 {
  83         void *cptvf = c_dev->data->dev_private;
  84         int i, ret;
  85
  86         CPT_PMD_INIT_FUNC_TRACE();
  87
  88         for (i = 0; i < c_dev->data->nb_queue_pairs; i++) {
  89                 ret = otx_cpt_que_pair_release(c_dev, i);
  90                 if (ret)
  91                         return ret;
  92         }
  93
  94         otx_cpt_periodic_alarm_stop(cptvf);
  95         otx_cpt_deinit_device(cptvf);
  96
  97         return 0;
  98 }
  99
 100 static void
 101 otx_cpt_dev_info_get(struct rte_cryptodev *dev, struct rte_cryptodev_info *info)
 102 {
 103         CPT_PMD_INIT_FUNC_TRACE();
 104         if (info != NULL) {
 105                 info->max_nb_queue_pairs = CPT_NUM_QS_PER_VF;
 106                 info->feature_flags = dev->feature_flags;
 107                 info->capabilities = otx_get_capabilities();
 108                 info->sym.max_nb_sessions = 0;
 109                 info->driver_id = otx_cryptodev_driver_id;
 110                 info->min_mbuf_headroom_req = OTX_CPT_MIN_HEADROOM_REQ;
 111                 info->min_mbuf_tailroom_req = OTX_CPT_MIN_TAILROOM_REQ;
 112         }
 113 }
 114
 115 static void
 116 otx_cpt_stats_get(struct rte_cryptodev *dev __rte_unused,
 117                   struct rte_cryptodev_stats *stats __rte_unused)
 118 {
 119         CPT_PMD_INIT_FUNC_TRACE();
 120 }
 121
 122 static void
 123 otx_cpt_stats_reset(struct rte_cryptodev *dev __rte_unused)
 124 {
 125         CPT_PMD_INIT_FUNC_TRACE();
 126 }
 127
 128 static int
 129 otx_cpt_que_pair_setup(struct rte_cryptodev *dev,
 130                        uint16_t que_pair_id,
 131                        const struct rte_cryptodev_qp_conf *qp_conf,
 132                        int socket_id __rte_unused)
 133 {
 134         struct cpt_instance *instance = NULL;
 135         struct rte_pci_device *pci_dev;
 136         int ret = -1;
 137
 138         CPT_PMD_INIT_FUNC_TRACE();
 139
 140         if (dev->data->queue_pairs[que_pair_id] != NULL) {
 141                 ret = otx_cpt_que_pair_release(dev, que_pair_id);
 142                 if (ret)
 143                         return ret;
 144         }
 145
 146         if (qp_conf->nb_descriptors > DEFAULT_CMD_QLEN) {
 147                 CPT_LOG_INFO("Number of descriptors too big %d, using default "
 148                              "queue length of %d", qp_conf->nb_descriptors,
 149                              DEFAULT_CMD_QLEN);
 150         }
 151
 152         pci_dev = RTE_DEV_TO_PCI(dev->device);
 153
 154         if (pci_dev->mem_resource[0].addr == NULL) {
 155                 CPT_LOG_ERR("PCI mem address null");
 156                 return -EIO;
 157         }
 158
 159         ret = otx_cpt_get_resource(dev, 0, &instance, que_pair_id);
 160         if (ret != 0 || instance == NULL) {
 161                 CPT_LOG_ERR("Error getting instance handle from device %s : "
 162                             "ret = %d", dev->data->name, ret);
 163                 return ret;
 164         }
 165
 166         instance->queue_id = que_pair_id;
 167         instance->sess_mp = qp_conf->mp_session;
 168         instance->sess_mp_priv = qp_conf->mp_session_private;
 169         dev->data->queue_pairs[que_pair_id] = instance;
 170
 171         return 0;
 172 }
 173
 174 static int
 175 otx_cpt_que_pair_release(struct rte_cryptodev *dev, uint16_t que_pair_id)
 176 {
 177         struct cpt_instance *instance = dev->data->queue_pairs[que_pair_id];
 178         int ret;
 179
 180         CPT_PMD_INIT_FUNC_TRACE();
 181
 182         ret = otx_cpt_put_resource(instance);
 183         if (ret != 0) {
 184                 CPT_LOG_ERR("Error putting instance handle of device %s : "
 185                             "ret = %d", dev->data->name, ret);
 186                 return ret;
 187         }
 188
 189         dev->data->queue_pairs[que_pair_id] = NULL;
 190
 191         return 0;
 192 }
 193
 194 static unsigned int
 195 otx_cpt_get_session_size(struct rte_cryptodev *dev __rte_unused)
 196 {
 197         return cpt_get_session_size();
 198 }
 199
 200 static void
 201 otx_cpt_session_init(void *sym_sess, uint8_t driver_id)
 202 {
 203         struct rte_cryptodev_sym_session *sess = sym_sess;
 204         struct cpt_sess_misc *cpt_sess =
 205          (struct cpt_sess_misc *) get_sym_session_private_data(sess, driver_id);
 206
 207         CPT_PMD_INIT_FUNC_TRACE();
 208         cpt_sess->ctx_dma_addr = rte_mempool_virt2iova(cpt_sess) +
 209                         sizeof(struct cpt_sess_misc);
 210 }
 211
 212 static int
 213 otx_cpt_session_cfg(struct rte_cryptodev *dev,
 214                     struct rte_crypto_sym_xform *xform,
 215                     struct rte_cryptodev_sym_session *sess,
 216                     struct rte_mempool *mempool)
 217 {
 218         struct rte_crypto_sym_xform *chain;
 219         void *sess_private_data = NULL;
 220
 221         CPT_PMD_INIT_FUNC_TRACE();
 222
 223         if (cpt_is_algo_supported(xform))
 224                 goto err;
 225
 226         if (unlikely(sess == NULL)) {
 227                 CPT_LOG_ERR("invalid session struct");
 228                 return -EINVAL;
 229         }
 230
 231         if (rte_mempool_get(mempool, &sess_private_data)) {
 232                 CPT_LOG_ERR("Could not allocate sess_private_data");
 233                 return -ENOMEM;
 234         }
 235
 236         chain = xform;
 237         while (chain) {
 238                 switch (chain->type) {
 239                 case RTE_CRYPTO_SYM_XFORM_AEAD:
 240                         if (fill_sess_aead(chain, sess_private_data))
 241                                 goto err;
 242                         break;
 243                 case RTE_CRYPTO_SYM_XFORM_CIPHER:
 244                         if (fill_sess_cipher(chain, sess_private_data))
 245                                 goto err;
 246                         break;
 247                 case RTE_CRYPTO_SYM_XFORM_AUTH:
 248                         if (chain->auth.algo == RTE_CRYPTO_AUTH_AES_GMAC) {
 249                                 if (fill_sess_gmac(chain, sess_private_data))
 250                                         goto err;
 251                         } else {
 252                                 if (fill_sess_auth(chain, sess_private_data))
 253                                         goto err;
 254                         }
 255                         break;
 256                 default:
 257                         CPT_LOG_ERR("Invalid crypto xform type");
 258                         break;
 259                 }
 260                 chain = chain->next;
 261         }
 262         set_sym_session_private_data(sess, dev->driver_id, sess_private_data);
 263         otx_cpt_session_init(sess, dev->driver_id);
 264         return 0;
 265
 266 err:
 267         if (sess_private_data)
 268                 rte_mempool_put(mempool, sess_private_data);
 269         return -EPERM;
 270 }
 271
 272 static void
 273 otx_cpt_session_clear(struct rte_cryptodev *dev,
 274                   struct rte_cryptodev_sym_session *sess)
 275 {
 276         void *sess_priv = get_sym_session_private_data(sess, dev->driver_id);
 277
 278         CPT_PMD_INIT_FUNC_TRACE();
 279         if (sess_priv) {
 280                 memset(sess_priv, 0, otx_cpt_get_session_size(dev));
 281                 struct rte_mempool *sess_mp = rte_mempool_from_obj(sess_priv);
 282                 set_sym_session_private_data(sess, dev->driver_id, NULL);
 283                 rte_mempool_put(sess_mp, sess_priv);
 284         }
 285 }
 286
 287 static __rte_always_inline int32_t __hot
 288 otx_cpt_request_enqueue(struct cpt_instance *instance,
 289                         struct pending_queue *pqueue,
 290                         void *req)
 291 {
 292         struct cpt_request_info *user_req = (struct cpt_request_info *)req;
 293
 294         if (unlikely(pqueue->pending_count >= DEFAULT_CMD_QLEN))
 295                 return -EAGAIN;
 296
 297         fill_cpt_inst(instance, req);
 298
 299         CPT_LOG_DP_DEBUG("req: %p op: %p ", req, user_req->op);
 300
 301         /* Fill time_out cycles */
 302         user_req->time_out = rte_get_timer_cycles() +
 303                         DEFAULT_COMMAND_TIMEOUT * rte_get_timer_hz();
 304         user_req->extra_time = 0;
 305
 306         /* Default mode of software queue */
 307         mark_cpt_inst(instance);
 308
 309         pqueue->rid_queue[pqueue->enq_tail].rid = (uintptr_t)user_req;
 310
 311         /* We will use soft queue length here to limit requests */
 312         MOD_INC(pqueue->enq_tail, DEFAULT_CMD_QLEN);
 313         pqueue->pending_count += 1;
 314
 315         CPT_LOG_DP_DEBUG("Submitted NB cmd with request: %p "
 316                          "op: %p", user_req, user_req->op);
 317         return 0;
 318 }
 319
 320 static __rte_always_inline int __hot
 321 otx_cpt_enq_single_sym(struct cpt_instance *instance,
 322                        struct rte_crypto_op *op,
 323                        struct pending_queue *pqueue)
 324 {
 325         struct cpt_sess_misc *sess;
 326         struct rte_crypto_sym_op *sym_op = op->sym;
 327         void *prep_req, *mdata = NULL;
 328         int ret = 0;
 329         uint64_t cpt_op;
 330
 331         sess = (struct cpt_sess_misc *)
 332                         get_sym_session_private_data(sym_op->session,
 333                                                      otx_cryptodev_driver_id);
 334
 335         cpt_op = sess->cpt_op;
 336
 337         if (likely(cpt_op & CPT_OP_CIPHER_MASK))
 338                 ret = fill_fc_params(op, sess, &instance->meta_info, &mdata,
 339                                      &prep_req);
 340         else
 341                 ret = fill_digest_params(op, sess, &instance->meta_info,
 342                                          &mdata, &prep_req);
 343
 344         if (unlikely(ret)) {
 345                 CPT_LOG_DP_ERR("prep cryto req : op %p, cpt_op 0x%x "
 346                                "ret 0x%x", op, (unsigned int)cpt_op, ret);
 347                 return ret;
 348         }
 349
 350         /* Enqueue prepared instruction to h/w */
 351         ret = otx_cpt_request_enqueue(instance, pqueue, prep_req);
 352
 353         if (unlikely(ret)) {
 354                 /* Buffer allocated for request preparation need to be freed */
 355                 free_op_meta(mdata, instance->meta_info.pool);
 356                 return ret;
 357         }
 358
 359         return 0;
 360 }
 361
 362 static __rte_always_inline int __hot
 363 otx_cpt_enq_single_sym_sessless(struct cpt_instance *instance,
 364                                 struct rte_crypto_op *op,
 365                                 struct pending_queue *pqueue)
 366 {
 367         struct cpt_sess_misc *sess;
 368         struct rte_crypto_sym_op *sym_op = op->sym;
 369         int ret;
 370         void *sess_t = NULL;
 371         void *sess_private_data_t = NULL;
 372
 373         /* Create tmp session */
 374
 375         if (rte_mempool_get(instance->sess_mp, (void **)&sess_t)) {
 376                 ret = -ENOMEM;
 377                 goto exit;
 378         }
 379
 380         if (rte_mempool_get(instance->sess_mp_priv,
 381                         (void **)&sess_private_data_t)) {
 382                 ret = -ENOMEM;
 383                 goto free_sess;
 384         }
 385
 386         sess = (struct cpt_sess_misc *)sess_private_data_t;
 387
 388         sess->ctx_dma_addr = rte_mempool_virt2iova(sess) +
 389                         sizeof(struct cpt_sess_misc);
 390
 391         ret = instance_session_cfg(sym_op->xform, (void *)sess);
 392         if (unlikely(ret)) {
 393                 ret = -EINVAL;
 394                 goto free_sess_priv;
 395         }
 396
 397         /* Save tmp session in op */
 398
 399         sym_op->session = (struct rte_cryptodev_sym_session *)sess_t;
 400         set_sym_session_private_data(sym_op->session, otx_cryptodev_driver_id,
 401                                      sess_private_data_t);
 402
 403         /* Enqueue op with the tmp session set */
 404         ret = otx_cpt_enq_single_sym(instance, op, pqueue);
 405
 406         if (unlikely(ret))
 407                 goto free_sess_priv;
 408
 409         return 0;
 410
 411 free_sess_priv:
 412         rte_mempool_put(instance->sess_mp_priv, sess_private_data_t);
 413 free_sess:
 414         rte_mempool_put(instance->sess_mp, sess_t);
 415 exit:
 416         return ret;
 417 }
 418
 419 static __rte_always_inline int __hot
 420 otx_cpt_enq_single(struct cpt_instance *inst,
 421                    struct rte_crypto_op *op,
 422                    struct pending_queue *pqueue)
 423 {
 424         /* Check for the type */
 425
 426         if (op->sess_type == RTE_CRYPTO_OP_WITH_SESSION)
 427                 return otx_cpt_enq_single_sym(inst, op, pqueue);
 428         else if (unlikely(op->sess_type == RTE_CRYPTO_OP_SESSIONLESS))
 429                 return otx_cpt_enq_single_sym_sessless(inst, op, pqueue);
 430
 431         /* Should not reach here */
 432         return -EINVAL;
 433 }
 434
 435 static uint16_t
 436 otx_cpt_pkt_enqueue(void *qptr, struct rte_crypto_op **ops, uint16_t nb_ops)
 437 {
 438         struct cpt_instance *instance = (struct cpt_instance *)qptr;
 439         uint16_t count;
 440         int ret;
 441         struct cpt_vf *cptvf = (struct cpt_vf *)instance;
 442         struct pending_queue *pqueue = &cptvf->pqueue;
 443
 444         count = DEFAULT_CMD_QLEN - pqueue->pending_count;
 445         if (nb_ops > count)
 446                 nb_ops = count;
 447
 448         count = 0;
 449         while (likely(count < nb_ops)) {
 450
 451                 /* Enqueue single op */
 452                 ret = otx_cpt_enq_single(instance, ops[count], pqueue);
 453
 454                 if (unlikely(ret))
 455                         break;
 456                 count++;
 457         }
 458         otx_cpt_ring_dbell(instance, count);
 459         return count;
 460 }
 461
 462 static __rte_always_inline void
 463 otx_cpt_dequeue_post_process(struct rte_crypto_op *cop, uintptr_t *rsp)
 464 {
 465         /* H/w has returned success */
 466         cop->status = RTE_CRYPTO_OP_STATUS_SUCCESS;
 467
 468         /* Perform further post processing */
 469
 470         if (cop->type == RTE_CRYPTO_OP_TYPE_SYMMETRIC) {
 471                 /* Check if auth verify need to be completed */
 472                 if (unlikely(rsp[2]))
 473                         compl_auth_verify(cop, (uint8_t *)rsp[2], rsp[3]);
 474                 return;
 475         }
 476 }
 477
 478 static uint16_t
 479 otx_cpt_pkt_dequeue(void *qptr, struct rte_crypto_op **ops, uint16_t nb_ops)
 480 {
 481         struct cpt_instance *instance = (struct cpt_instance *)qptr;
 482         struct cpt_request_info *user_req;
 483         struct cpt_vf *cptvf = (struct cpt_vf *)instance;
 484         struct rid *rid_e;
 485         uint8_t cc[nb_ops];
 486         int i, count, pcount;
 487         uint8_t ret;
 488         int nb_completed;
 489         struct pending_queue *pqueue = &cptvf->pqueue;
 490         struct rte_crypto_op *cop;
 491         void *metabuf;
 492         uintptr_t *rsp;
 493
 494         pcount = pqueue->pending_count;
 495         count = (nb_ops > pcount) ? pcount : nb_ops;
 496
 497         for (i = 0; i < count; i++) {
 498                 rid_e = &pqueue->rid_queue[pqueue->deq_head];
 499                 user_req = (struct cpt_request_info *)(rid_e->rid);
 500
 501                 if (likely((i+1) < count))
 502                         rte_prefetch_non_temporal((void *)rid_e[1].rid);
 503
 504                 ret = check_nb_command_id(user_req, instance);
 505
 506                 if (unlikely(ret == ERR_REQ_PENDING)) {
 507                         /* Stop checking for completions */
 508                         break;
 509                 }
 510
 511                 /* Return completion code and op handle */
 512                 cc[i] = ret;
 513                 ops[i] = user_req->op;
 514
 515                 CPT_LOG_DP_DEBUG("Request %p Op %p completed with code %d",
 516                                  user_req, user_req->op, ret);
 517
 518                 MOD_INC(pqueue->deq_head, DEFAULT_CMD_QLEN);
 519                 pqueue->pending_count -= 1;
 520         }
 521
 522         nb_completed = i;
 523
 524         for (i = 0; i < nb_completed; i++) {
 525
 526                 rsp = (void *)ops[i];
 527
 528                 if (likely((i + 1) < nb_completed))
 529                         rte_prefetch0(ops[i+1]);
 530
 531                 metabuf = (void *)rsp[0];
 532                 cop = (void *)rsp[1];
 533
 534                 ops[i] = cop;
 535
 536                 /* Check completion code */
 537
 538                 if (likely(cc[i] == 0)) {
 539                         /* H/w success pkt. Post process */
 540                         otx_cpt_dequeue_post_process(cop, rsp);
 541                 } else if (cc[i] == ERR_GC_ICV_MISCOMPARE) {
 542                         /* auth data mismatch */
 543                         cop->status = RTE_CRYPTO_OP_STATUS_AUTH_FAILED;
 544                 } else {
 545                         /* Error */
 546                         cop->status = RTE_CRYPTO_OP_STATUS_ERROR;
 547                 }
 548
 549                 if (unlikely(cop->sess_type == RTE_CRYPTO_OP_SESSIONLESS)) {
 550                         void *sess_private_data_t =
 551                                 get_sym_session_private_data(cop->sym->session,
 552                                                 otx_cryptodev_driver_id);
 553                         memset(sess_private_data_t, 0,
 554                                         cpt_get_session_size());
 555                         memset(cop->sym->session, 0,
 556                         rte_cryptodev_sym_get_existing_header_session_size(
 557                                         cop->sym->session));
 558                         rte_mempool_put(instance->sess_mp_priv,
 559                                         sess_private_data_t);
 560                         rte_mempool_put(instance->sess_mp, cop->sym->session);
 561                         cop->sym->session = NULL;
 562                 }
 563                 free_op_meta(metabuf, instance->meta_info.pool);
 564         }
 565
 566         return nb_completed;
 567 }
 568
 569 static struct rte_cryptodev_ops cptvf_ops = {
 570         /* Device related operations */
 571         .dev_configure = otx_cpt_dev_config,
 572         .dev_start = otx_cpt_dev_start,
 573         .dev_stop = otx_cpt_dev_stop,
 574         .dev_close = otx_cpt_dev_close,
 575         .dev_infos_get = otx_cpt_dev_info_get,
 576
 577         .stats_get = otx_cpt_stats_get,
 578         .stats_reset = otx_cpt_stats_reset,
 579         .queue_pair_setup = otx_cpt_que_pair_setup,
 580         .queue_pair_release = otx_cpt_que_pair_release,
 581         .queue_pair_count = NULL,
 582
 583         /* Crypto related operations */
 584         .sym_session_get_size = otx_cpt_get_session_size,
 585         .sym_session_configure = otx_cpt_session_cfg,
 586         .sym_session_clear = otx_cpt_session_clear
 587 };
 588
 589 int
 590 otx_cpt_dev_create(struct rte_cryptodev *c_dev)
 591 {
 592         struct rte_pci_device *pdev = RTE_DEV_TO_PCI(c_dev->device);
 593         struct cpt_vf *cptvf = NULL;
 594         void *reg_base;
 595         char dev_name[32];
 596         int ret;
 597
 598         if (pdev->mem_resource[0].phys_addr == 0ULL)
 599                 return -EIO;
 600
 601         /* for secondary processes, we don't initialise any further as primary
 602          * has already done this work.
 603          */
 604         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
 605                 return 0;
 606
 607         cptvf = rte_zmalloc_socket("otx_cryptodev_private_mem",
 608                         sizeof(struct cpt_vf), RTE_CACHE_LINE_SIZE,
 609                         rte_socket_id());
 610
 611         if (cptvf == NULL) {
 612                 CPT_LOG_ERR("Cannot allocate memory for device private data");
 613                 return -ENOMEM;
 614         }
 615
 616         snprintf(dev_name, 32, "%02x:%02x.%x",
 617                         pdev->addr.bus, pdev->addr.devid, pdev->addr.function);
 618
 619         reg_base = pdev->mem_resource[0].addr;
 620         if (!reg_base) {
 621                 CPT_LOG_ERR("Failed to map BAR0 of %s", dev_name);
 622                 ret = -ENODEV;
 623                 goto fail;
 624         }
 625
 626         ret = otx_cpt_hw_init(cptvf, pdev, reg_base, dev_name);
 627         if (ret) {
 628                 CPT_LOG_ERR("Failed to init cptvf %s", dev_name);
 629                 ret = -EIO;
 630                 goto fail;
 631         }
 632
 633         /* Start off timer for mailbox interrupts */
 634         otx_cpt_periodic_alarm_start(cptvf);
 635
 636         c_dev->dev_ops = &cptvf_ops;
 637
 638         c_dev->enqueue_burst = otx_cpt_pkt_enqueue;
 639         c_dev->dequeue_burst = otx_cpt_pkt_dequeue;
 640
 641         c_dev->feature_flags = RTE_CRYPTODEV_FF_SYMMETRIC_CRYPTO |
 642                         RTE_CRYPTODEV_FF_HW_ACCELERATED |
 643                         RTE_CRYPTODEV_FF_SYM_OPERATION_CHAINING |
 644                         RTE_CRYPTODEV_FF_IN_PLACE_SGL |
 645                         RTE_CRYPTODEV_FF_OOP_SGL_IN_LB_OUT |
 646                         RTE_CRYPTODEV_FF_OOP_SGL_IN_SGL_OUT;
 647
 648         /* Save dev private data */
 649         c_dev->data->dev_private = cptvf;
 650
 651         return 0;
 652
 653 fail:
 654         if (cptvf) {
 655                 /* Free private data allocated */
 656                 rte_free(cptvf);
 657         }
 658
 659         return ret;
 660 }