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 "otx_cryptodev.h"
  14 #include "otx_cryptodev_capabilities.h"
  15 #include "otx_cryptodev_hw_access.h"
  16 #include "otx_cryptodev_mbox.h"
  17 #include "otx_cryptodev_ops.h"
  18
  19 #include "cpt_pmd_logs.h"
  20 #include "cpt_ucode.h"
  21
  22 /* Forward declarations */
  23
  24 static int
  25 otx_cpt_que_pair_release(struct rte_cryptodev *dev, uint16_t que_pair_id);
  26
  27 /* Alarm routines */
  28
  29 static void
  30 otx_cpt_alarm_cb(void *arg)
  31 {
  32         struct cpt_vf *cptvf = arg;
  33         otx_cpt_poll_misc(cptvf);
  34         rte_eal_alarm_set(CPT_INTR_POLL_INTERVAL_MS * 1000,
  35                           otx_cpt_alarm_cb, cptvf);
  36 }
  37
  38 static int
  39 otx_cpt_periodic_alarm_start(void *arg)
  40 {
  41         return rte_eal_alarm_set(CPT_INTR_POLL_INTERVAL_MS * 1000,
  42                                  otx_cpt_alarm_cb, arg);
  43 }
  44
  45 static int
  46 otx_cpt_periodic_alarm_stop(void *arg)
  47 {
  48         return rte_eal_alarm_cancel(otx_cpt_alarm_cb, arg);
  49 }
  50
  51 /* PMD ops */
  52
  53 static int
  54 otx_cpt_dev_config(struct rte_cryptodev *dev __rte_unused,
  55                    struct rte_cryptodev_config *config __rte_unused)
  56 {
  57         CPT_PMD_INIT_FUNC_TRACE();
  58         return 0;
  59 }
  60
  61 static int
  62 otx_cpt_dev_start(struct rte_cryptodev *c_dev)
  63 {
  64         void *cptvf = c_dev->data->dev_private;
  65
  66         CPT_PMD_INIT_FUNC_TRACE();
  67
  68         return otx_cpt_start_device(cptvf);
  69 }
  70
  71 static void
  72 otx_cpt_dev_stop(struct rte_cryptodev *c_dev)
  73 {
  74         void *cptvf = c_dev->data->dev_private;
  75
  76         CPT_PMD_INIT_FUNC_TRACE();
  77
  78         otx_cpt_stop_device(cptvf);
  79 }
  80
  81 static int
  82 otx_cpt_dev_close(struct rte_cryptodev *c_dev)
  83 {
  84         void *cptvf = c_dev->data->dev_private;
  85         int i, ret;
  86
  87         CPT_PMD_INIT_FUNC_TRACE();
  88
  89         for (i = 0; i < c_dev->data->nb_queue_pairs; i++) {
  90                 ret = otx_cpt_que_pair_release(c_dev, i);
  91                 if (ret)
  92                         return ret;
  93         }
  94
  95         otx_cpt_periodic_alarm_stop(cptvf);
  96         otx_cpt_deinit_device(cptvf);
  97
  98         return 0;
  99 }
 100
 101 static void
 102 otx_cpt_dev_info_get(struct rte_cryptodev *dev, struct rte_cryptodev_info *info)
 103 {
 104         CPT_PMD_INIT_FUNC_TRACE();
 105         if (info != NULL) {
 106                 info->max_nb_queue_pairs = CPT_NUM_QS_PER_VF;
 107                 info->feature_flags = dev->feature_flags;
 108                 info->capabilities = otx_get_capabilities();
 109                 info->sym.max_nb_sessions = 0;
 110                 info->driver_id = otx_cryptodev_driver_id;
 111                 info->min_mbuf_headroom_req = OTX_CPT_MIN_HEADROOM_REQ;
 112                 info->min_mbuf_tailroom_req = OTX_CPT_MIN_TAILROOM_REQ;
 113         }
 114 }
 115
 116 static void
 117 otx_cpt_stats_get(struct rte_cryptodev *dev __rte_unused,
 118                   struct rte_cryptodev_stats *stats __rte_unused)
 119 {
 120         CPT_PMD_INIT_FUNC_TRACE();
 121 }
 122
 123 static void
 124 otx_cpt_stats_reset(struct rte_cryptodev *dev __rte_unused)
 125 {
 126         CPT_PMD_INIT_FUNC_TRACE();
 127 }
 128
 129 static int
 130 otx_cpt_que_pair_setup(struct rte_cryptodev *dev,
 131                        uint16_t que_pair_id,
 132                        const struct rte_cryptodev_qp_conf *qp_conf,
 133                        int socket_id __rte_unused)
 134 {
 135         struct cpt_instance *instance = NULL;
 136         struct rte_pci_device *pci_dev;
 137         int ret = -1;
 138
 139         CPT_PMD_INIT_FUNC_TRACE();
 140
 141         if (dev->data->queue_pairs[que_pair_id] != NULL) {
 142                 ret = otx_cpt_que_pair_release(dev, que_pair_id);
 143                 if (ret)
 144                         return ret;
 145         }
 146
 147         if (qp_conf->nb_descriptors > DEFAULT_CMD_QLEN) {
 148                 CPT_LOG_INFO("Number of descriptors too big %d, using default "
 149                              "queue length of %d", qp_conf->nb_descriptors,
 150                              DEFAULT_CMD_QLEN);
 151         }
 152
 153         pci_dev = RTE_DEV_TO_PCI(dev->device);
 154
 155         if (pci_dev->mem_resource[0].addr == NULL) {
 156                 CPT_LOG_ERR("PCI mem address null");
 157                 return -EIO;
 158         }
 159
 160         ret = otx_cpt_get_resource(dev, 0, &instance, que_pair_id);
 161         if (ret != 0 || instance == NULL) {
 162                 CPT_LOG_ERR("Error getting instance handle from device %s : "
 163                             "ret = %d", dev->data->name, ret);
 164                 return ret;
 165         }
 166
 167         instance->queue_id = que_pair_id;
 168         instance->sess_mp = qp_conf->mp_session;
 169         instance->sess_mp_priv = qp_conf->mp_session_private;
 170         dev->data->queue_pairs[que_pair_id] = instance;
 171
 172         return 0;
 173 }
 174
 175 static int
 176 otx_cpt_que_pair_release(struct rte_cryptodev *dev, uint16_t que_pair_id)
 177 {
 178         struct cpt_instance *instance = dev->data->queue_pairs[que_pair_id];
 179         int ret;
 180
 181         CPT_PMD_INIT_FUNC_TRACE();
 182
 183         ret = otx_cpt_put_resource(instance);
 184         if (ret != 0) {
 185                 CPT_LOG_ERR("Error putting instance handle of device %s : "
 186                             "ret = %d", dev->data->name, ret);
 187                 return ret;
 188         }
 189
 190         dev->data->queue_pairs[que_pair_id] = NULL;
 191
 192         return 0;
 193 }
 194
 195 static unsigned int
 196 otx_cpt_get_session_size(struct rte_cryptodev *dev __rte_unused)
 197 {
 198         return cpt_get_session_size();
 199 }
 200
 201 static void
 202 otx_cpt_session_init(void *sym_sess, uint8_t driver_id)
 203 {
 204         struct rte_cryptodev_sym_session *sess = sym_sess;
 205         struct cpt_sess_misc *cpt_sess =
 206          (struct cpt_sess_misc *) get_sym_session_private_data(sess, driver_id);
 207
 208         CPT_PMD_INIT_FUNC_TRACE();
 209         cpt_sess->ctx_dma_addr = rte_mempool_virt2iova(cpt_sess) +
 210                         sizeof(struct cpt_sess_misc);
 211 }
 212
 213 static int
 214 otx_cpt_session_cfg(struct rte_cryptodev *dev,
 215                     struct rte_crypto_sym_xform *xform,
 216                     struct rte_cryptodev_sym_session *sess,
 217                     struct rte_mempool *mempool)
 218 {
 219         struct rte_crypto_sym_xform *chain;
 220         void *sess_private_data = NULL;
 221
 222         CPT_PMD_INIT_FUNC_TRACE();
 223
 224         if (cpt_is_algo_supported(xform))
 225                 goto err;
 226
 227         if (unlikely(sess == NULL)) {
 228                 CPT_LOG_ERR("invalid session struct");
 229                 return -EINVAL;
 230         }
 231
 232         if (rte_mempool_get(mempool, &sess_private_data)) {
 233                 CPT_LOG_ERR("Could not allocate sess_private_data");
 234                 return -ENOMEM;
 235         }
 236
 237         chain = xform;
 238         while (chain) {
 239                 switch (chain->type) {
 240                 case RTE_CRYPTO_SYM_XFORM_AEAD:
 241                         if (fill_sess_aead(chain, sess_private_data))
 242                                 goto err;
 243                         break;
 244                 case RTE_CRYPTO_SYM_XFORM_CIPHER:
 245                         if (fill_sess_cipher(chain, sess_private_data))
 246                                 goto err;
 247                         break;
 248                 case RTE_CRYPTO_SYM_XFORM_AUTH:
 249                         if (chain->auth.algo == RTE_CRYPTO_AUTH_AES_GMAC) {
 250                                 if (fill_sess_gmac(chain, sess_private_data))
 251                                         goto err;
 252                         } else {
 253                                 if (fill_sess_auth(chain, sess_private_data))
 254                                         goto err;
 255                         }
 256                         break;
 257                 default:
 258                         CPT_LOG_ERR("Invalid crypto xform type");
 259                         break;
 260                 }
 261                 chain = chain->next;
 262         }
 263         set_sym_session_private_data(sess, dev->driver_id, sess_private_data);
 264         otx_cpt_session_init(sess, dev->driver_id);
 265         return 0;
 266
 267 err:
 268         if (sess_private_data)
 269                 rte_mempool_put(mempool, sess_private_data);
 270         return -EPERM;
 271 }
 272
 273 static void
 274 otx_cpt_session_clear(struct rte_cryptodev *dev,
 275                   struct rte_cryptodev_sym_session *sess)
 276 {
 277         void *sess_priv = get_sym_session_private_data(sess, dev->driver_id);
 278
 279         CPT_PMD_INIT_FUNC_TRACE();
 280         if (sess_priv) {
 281                 memset(sess_priv, 0, otx_cpt_get_session_size(dev));
 282                 struct rte_mempool *sess_mp = rte_mempool_from_obj(sess_priv);
 283                 set_sym_session_private_data(sess, dev->driver_id, NULL);
 284                 rte_mempool_put(sess_mp, sess_priv);
 285         }
 286 }
 287
 288 static __rte_always_inline int32_t __hot
 289 otx_cpt_request_enqueue(struct cpt_instance *instance,
 290                         struct pending_queue *pqueue,
 291                         void *req)
 292 {
 293         struct cpt_request_info *user_req = (struct cpt_request_info *)req;
 294
 295         if (unlikely(pqueue->pending_count >= DEFAULT_CMD_QLEN))
 296                 return -EAGAIN;
 297
 298         fill_cpt_inst(instance, req);
 299
 300         CPT_LOG_DP_DEBUG("req: %p op: %p ", req, user_req->op);
 301
 302         /* Fill time_out cycles */
 303         user_req->time_out = rte_get_timer_cycles() +
 304                         DEFAULT_COMMAND_TIMEOUT * rte_get_timer_hz();
 305         user_req->extra_time = 0;
 306
 307         /* Default mode of software queue */
 308         mark_cpt_inst(instance);
 309
 310         pqueue->rid_queue[pqueue->enq_tail].rid = (uintptr_t)user_req;
 311
 312         /* We will use soft queue length here to limit requests */
 313         MOD_INC(pqueue->enq_tail, DEFAULT_CMD_QLEN);
 314         pqueue->pending_count += 1;
 315
 316         CPT_LOG_DP_DEBUG("Submitted NB cmd with request: %p "
 317                          "op: %p", user_req, user_req->op);
 318         return 0;
 319 }
 320
 321 static __rte_always_inline int __hot
 322 otx_cpt_enq_single_sym(struct cpt_instance *instance,
 323                        struct rte_crypto_op *op,
 324                        struct pending_queue *pqueue)
 325 {
 326         struct cpt_sess_misc *sess;
 327         struct rte_crypto_sym_op *sym_op = op->sym;
 328         void *prep_req, *mdata = NULL;
 329         int ret = 0;
 330         uint64_t cpt_op;
 331
 332         sess = (struct cpt_sess_misc *)
 333                         get_sym_session_private_data(sym_op->session,
 334                                                      otx_cryptodev_driver_id);
 335
 336         cpt_op = sess->cpt_op;
 337
 338         if (likely(cpt_op & CPT_OP_CIPHER_MASK))
 339                 ret = fill_fc_params(op, sess, &instance->meta_info, &mdata,
 340                                      &prep_req);
 341         else
 342                 ret = fill_digest_params(op, sess, &instance->meta_info,
 343                                          &mdata, &prep_req);
 344
 345         if (unlikely(ret)) {
 346                 CPT_LOG_DP_ERR("prep cryto req : op %p, cpt_op 0x%x "
 347                                "ret 0x%x", op, (unsigned int)cpt_op, ret);
 348                 return ret;
 349         }
 350
 351         /* Enqueue prepared instruction to h/w */
 352         ret = otx_cpt_request_enqueue(instance, pqueue, prep_req);
 353
 354         if (unlikely(ret)) {
 355                 /* Buffer allocated for request preparation need to be freed */
 356                 free_op_meta(mdata, instance->meta_info.pool);
 357                 return ret;
 358         }
 359
 360         return 0;
 361 }
 362
 363 static __rte_always_inline int __hot
 364 otx_cpt_enq_single_sym_sessless(struct cpt_instance *instance,
 365                                 struct rte_crypto_op *op,
 366                                 struct pending_queue *pqueue)
 367 {
 368         struct cpt_sess_misc *sess;
 369         struct rte_crypto_sym_op *sym_op = op->sym;
 370         int ret;
 371         void *sess_t = NULL;
 372         void *sess_private_data_t = NULL;
 373
 374         /* Create tmp session */
 375
 376         if (rte_mempool_get(instance->sess_mp, (void **)&sess_t)) {
 377                 ret = -ENOMEM;
 378                 goto exit;
 379         }
 380
 381         if (rte_mempool_get(instance->sess_mp_priv,
 382                         (void **)&sess_private_data_t)) {
 383                 ret = -ENOMEM;
 384                 goto free_sess;
 385         }
 386
 387         sess = (struct cpt_sess_misc *)sess_private_data_t;
 388
 389         sess->ctx_dma_addr = rte_mempool_virt2iova(sess) +
 390                         sizeof(struct cpt_sess_misc);
 391
 392         ret = instance_session_cfg(sym_op->xform, (void *)sess);
 393         if (unlikely(ret)) {
 394                 ret = -EINVAL;
 395                 goto free_sess_priv;
 396         }
 397
 398         /* Save tmp session in op */
 399
 400         sym_op->session = (struct rte_cryptodev_sym_session *)sess_t;
 401         set_sym_session_private_data(sym_op->session, otx_cryptodev_driver_id,
 402                                      sess_private_data_t);
 403
 404         /* Enqueue op with the tmp session set */
 405         ret = otx_cpt_enq_single_sym(instance, op, pqueue);
 406
 407         if (unlikely(ret))
 408                 goto free_sess_priv;
 409
 410         return 0;
 411
 412 free_sess_priv:
 413         rte_mempool_put(instance->sess_mp_priv, sess_private_data_t);
 414 free_sess:
 415         rte_mempool_put(instance->sess_mp, sess_t);
 416 exit:
 417         return ret;
 418 }
 419
 420 static __rte_always_inline int __hot
 421 otx_cpt_enq_single(struct cpt_instance *inst,
 422                    struct rte_crypto_op *op,
 423                    struct pending_queue *pqueue)
 424 {
 425         /* Check for the type */
 426
 427         if (op->sess_type == RTE_CRYPTO_OP_WITH_SESSION)
 428                 return otx_cpt_enq_single_sym(inst, op, pqueue);
 429         else if (unlikely(op->sess_type == RTE_CRYPTO_OP_SESSIONLESS))
 430                 return otx_cpt_enq_single_sym_sessless(inst, op, pqueue);
 431
 432         /* Should not reach here */
 433         return -EINVAL;
 434 }
 435
 436 static uint16_t
 437 otx_cpt_pkt_enqueue(void *qptr, struct rte_crypto_op **ops, uint16_t nb_ops)
 438 {
 439         struct cpt_instance *instance = (struct cpt_instance *)qptr;
 440         uint16_t count;
 441         int ret;
 442         struct cpt_vf *cptvf = (struct cpt_vf *)instance;
 443         struct pending_queue *pqueue = &cptvf->pqueue;
 444
 445         count = DEFAULT_CMD_QLEN - pqueue->pending_count;
 446         if (nb_ops > count)
 447                 nb_ops = count;
 448
 449         count = 0;
 450         while (likely(count < nb_ops)) {
 451
 452                 /* Enqueue single op */
 453                 ret = otx_cpt_enq_single(instance, ops[count], pqueue);
 454
 455                 if (unlikely(ret))
 456                         break;
 457                 count++;
 458         }
 459         otx_cpt_ring_dbell(instance, count);
 460         return count;
 461 }
 462
 463 static __rte_always_inline void
 464 otx_cpt_dequeue_post_process(struct rte_crypto_op *cop, uintptr_t *rsp)
 465 {
 466         /* H/w has returned success */
 467         cop->status = RTE_CRYPTO_OP_STATUS_SUCCESS;
 468
 469         /* Perform further post processing */
 470
 471         if (cop->type == RTE_CRYPTO_OP_TYPE_SYMMETRIC) {
 472                 /* Check if auth verify need to be completed */
 473                 if (unlikely(rsp[2]))
 474                         compl_auth_verify(cop, (uint8_t *)rsp[2], rsp[3]);
 475                 return;
 476         }
 477 }
 478
 479 static uint16_t
 480 otx_cpt_pkt_dequeue(void *qptr, struct rte_crypto_op **ops, uint16_t nb_ops)
 481 {
 482         struct cpt_instance *instance = (struct cpt_instance *)qptr;
 483         struct cpt_request_info *user_req;
 484         struct cpt_vf *cptvf = (struct cpt_vf *)instance;
 485         struct rid *rid_e;
 486         uint8_t cc[nb_ops];
 487         int i, count, pcount;
 488         uint8_t ret;
 489         int nb_completed;
 490         struct pending_queue *pqueue = &cptvf->pqueue;
 491         struct rte_crypto_op *cop;
 492         void *metabuf;
 493         uintptr_t *rsp;
 494
 495         pcount = pqueue->pending_count;
 496         count = (nb_ops > pcount) ? pcount : nb_ops;
 497
 498         for (i = 0; i < count; i++) {
 499                 rid_e = &pqueue->rid_queue[pqueue->deq_head];
 500                 user_req = (struct cpt_request_info *)(rid_e->rid);
 501
 502                 if (likely((i+1) < count))
 503                         rte_prefetch_non_temporal((void *)rid_e[1].rid);
 504
 505                 ret = check_nb_command_id(user_req, instance);
 506
 507                 if (unlikely(ret == ERR_REQ_PENDING)) {
 508                         /* Stop checking for completions */
 509                         break;
 510                 }
 511
 512                 /* Return completion code and op handle */
 513                 cc[i] = ret;
 514                 ops[i] = user_req->op;
 515
 516                 CPT_LOG_DP_DEBUG("Request %p Op %p completed with code %d",
 517                                  user_req, user_req->op, ret);
 518
 519                 MOD_INC(pqueue->deq_head, DEFAULT_CMD_QLEN);
 520                 pqueue->pending_count -= 1;
 521         }
 522
 523         nb_completed = i;
 524
 525         for (i = 0; i < nb_completed; i++) {
 526
 527                 rsp = (void *)ops[i];
 528
 529                 if (likely((i + 1) < nb_completed))
 530                         rte_prefetch0(ops[i+1]);
 531
 532                 metabuf = (void *)rsp[0];
 533                 cop = (void *)rsp[1];
 534
 535                 ops[i] = cop;
 536
 537                 /* Check completion code */
 538
 539                 if (likely(cc[i] == 0)) {
 540                         /* H/w success pkt. Post process */
 541                         otx_cpt_dequeue_post_process(cop, rsp);
 542                 } else if (cc[i] == ERR_GC_ICV_MISCOMPARE) {
 543                         /* auth data mismatch */
 544                         cop->status = RTE_CRYPTO_OP_STATUS_AUTH_FAILED;
 545                 } else {
 546                         /* Error */
 547                         cop->status = RTE_CRYPTO_OP_STATUS_ERROR;
 548                 }
 549
 550                 if (unlikely(cop->sess_type == RTE_CRYPTO_OP_SESSIONLESS)) {
 551                         void *sess_private_data_t =
 552                                 get_sym_session_private_data(cop->sym->session,
 553                                                 otx_cryptodev_driver_id);
 554                         memset(sess_private_data_t, 0,
 555                                         cpt_get_session_size());
 556                         memset(cop->sym->session, 0,
 557                         rte_cryptodev_sym_get_existing_header_session_size(
 558                                         cop->sym->session));
 559                         rte_mempool_put(instance->sess_mp_priv,
 560                                         sess_private_data_t);
 561                         rte_mempool_put(instance->sess_mp, cop->sym->session);
 562                         cop->sym->session = NULL;
 563                 }
 564                 free_op_meta(metabuf, instance->meta_info.pool);
 565         }
 566
 567         return nb_completed;
 568 }
 569
 570 static struct rte_cryptodev_ops cptvf_ops = {
 571         /* Device related operations */
 572         .dev_configure = otx_cpt_dev_config,
 573         .dev_start = otx_cpt_dev_start,
 574         .dev_stop = otx_cpt_dev_stop,
 575         .dev_close = otx_cpt_dev_close,
 576         .dev_infos_get = otx_cpt_dev_info_get,
 577
 578         .stats_get = otx_cpt_stats_get,
 579         .stats_reset = otx_cpt_stats_reset,
 580         .queue_pair_setup = otx_cpt_que_pair_setup,
 581         .queue_pair_release = otx_cpt_que_pair_release,
 582         .queue_pair_count = NULL,
 583
 584         /* Crypto related operations */
 585         .sym_session_get_size = otx_cpt_get_session_size,
 586         .sym_session_configure = otx_cpt_session_cfg,
 587         .sym_session_clear = otx_cpt_session_clear
 588 };
 589
 590 int
 591 otx_cpt_dev_create(struct rte_cryptodev *c_dev)
 592 {
 593         struct rte_pci_device *pdev = RTE_DEV_TO_PCI(c_dev->device);
 594         struct cpt_vf *cptvf = NULL;
 595         void *reg_base;
 596         char dev_name[32];
 597         int ret;
 598
 599         if (pdev->mem_resource[0].phys_addr == 0ULL)
 600                 return -EIO;
 601
 602         /* for secondary processes, we don't initialise any further as primary
 603          * has already done this work.
 604          */
 605         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
 606                 return 0;
 607
 608         cptvf = rte_zmalloc_socket("otx_cryptodev_private_mem",
 609                         sizeof(struct cpt_vf), RTE_CACHE_LINE_SIZE,
 610                         rte_socket_id());
 611
 612         if (cptvf == NULL) {
 613                 CPT_LOG_ERR("Cannot allocate memory for device private data");
 614                 return -ENOMEM;
 615         }
 616
 617         snprintf(dev_name, 32, "%02x:%02x.%x",
 618                         pdev->addr.bus, pdev->addr.devid, pdev->addr.function);
 619
 620         reg_base = pdev->mem_resource[0].addr;
 621         if (!reg_base) {
 622                 CPT_LOG_ERR("Failed to map BAR0 of %s", dev_name);
 623                 ret = -ENODEV;
 624                 goto fail;
 625         }
 626
 627         ret = otx_cpt_hw_init(cptvf, pdev, reg_base, dev_name);
 628         if (ret) {
 629                 CPT_LOG_ERR("Failed to init cptvf %s", dev_name);
 630                 ret = -EIO;
 631                 goto fail;
 632         }
 633
 634         switch (cptvf->vftype) {
 635         case OTX_CPT_VF_TYPE_AE:
 636                 /* Set asymmetric cpt feature flags */
 637                 c_dev->feature_flags = RTE_CRYPTODEV_FF_ASYMMETRIC_CRYPTO |
 638                                 RTE_CRYPTODEV_FF_HW_ACCELERATED;
 639                 break;
 640         case OTX_CPT_VF_TYPE_SE:
 641                 /* Set symmetric cpt feature flags */
 642                 c_dev->feature_flags = RTE_CRYPTODEV_FF_SYMMETRIC_CRYPTO |
 643                                 RTE_CRYPTODEV_FF_HW_ACCELERATED |
 644                                 RTE_CRYPTODEV_FF_SYM_OPERATION_CHAINING |
 645                                 RTE_CRYPTODEV_FF_IN_PLACE_SGL |
 646                                 RTE_CRYPTODEV_FF_OOP_SGL_IN_LB_OUT |
 647                                 RTE_CRYPTODEV_FF_OOP_SGL_IN_SGL_OUT;
 648                 break;
 649         default:
 650                 /* Feature not supported. Abort */
 651                 CPT_LOG_ERR("VF type not supported by %s", dev_name);
 652                 ret = -EIO;
 653                 goto deinit_dev;
 654         }
 655
 656         /* Start off timer for mailbox interrupts */
 657         otx_cpt_periodic_alarm_start(cptvf);
 658
 659         c_dev->dev_ops = &cptvf_ops;
 660
 661         c_dev->enqueue_burst = otx_cpt_pkt_enqueue;
 662         c_dev->dequeue_burst = otx_cpt_pkt_dequeue;
 663
 664         /* Save dev private data */
 665         c_dev->data->dev_private = cptvf;
 666
 667         return 0;
 668
 669 deinit_dev:
 670         otx_cpt_deinit_device(cptvf);
 671
 672 fail:
 673         if (cptvf) {
 674                 /* Free private data allocated */
 675                 rte_free(cptvf);
 676         }
 677
 678         return ret;
 679 }