drivers/crypto/cnxk/cnxk_cryptodev_ops.c

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(C) 2021 Marvell.
   3  */
   4
   5 #include <rte_cryptodev.h>
   6 #include <cryptodev_pmd.h>
   7 #include <rte_errno.h>
   8
   9 #include "roc_cpt.h"
  10
  11 #include "cnxk_ae.h"
  12 #include "cnxk_cryptodev.h"
  13 #include "cnxk_cryptodev_ops.h"
  14 #include "cnxk_cryptodev_capabilities.h"
  15 #include "cnxk_se.h"
  16
  17 #define CNXK_CPT_MAX_ASYM_OP_NUM_PARAMS 5
  18 #define CNXK_CPT_MAX_ASYM_OP_MOD_LEN    1024
  19
  20 static int
  21 cnxk_cpt_get_mlen(void)
  22 {
  23         uint32_t len;
  24
  25         /* For MAC */
  26         len = 2 * sizeof(uint64_t);
  27         len += ROC_SE_MAX_MAC_LEN * sizeof(uint8_t);
  28
  29         len += ROC_SE_OFF_CTRL_LEN + ROC_CPT_AES_CBC_IV_LEN;
  30         len += RTE_ALIGN_CEIL((ROC_SE_SG_LIST_HDR_SIZE +
  31                                (RTE_ALIGN_CEIL(ROC_SE_MAX_SG_IN_OUT_CNT, 4) >>
  32                                 2) * ROC_SE_SG_ENTRY_SIZE),
  33                               8);
  34
  35         return len;
  36 }
  37
  38 static int
  39 cnxk_cpt_asym_get_mlen(void)
  40 {
  41         uint32_t len;
  42
  43         /* To hold RPTR */
  44         len = sizeof(uint64_t);
  45
  46         /* Get meta len for asymmetric operations */
  47         len += CNXK_CPT_MAX_ASYM_OP_NUM_PARAMS * CNXK_CPT_MAX_ASYM_OP_MOD_LEN;
  48
  49         return len;
  50 }
  51
  52 int
  53 cnxk_cpt_dev_config(struct rte_cryptodev *dev,
  54                     struct rte_cryptodev_config *conf)
  55 {
  56         struct cnxk_cpt_vf *vf = dev->data->dev_private;
  57         struct roc_cpt *roc_cpt = &vf->cpt;
  58         uint16_t nb_lf_avail, nb_lf;
  59         int ret;
  60
  61         dev->feature_flags = cnxk_cpt_default_ff_get() & ~conf->ff_disable;
  62
  63         nb_lf_avail = roc_cpt->nb_lf_avail;
  64         nb_lf = conf->nb_queue_pairs;
  65
  66         if (nb_lf > nb_lf_avail)
  67                 return -ENOTSUP;
  68
  69         ret = roc_cpt_dev_configure(roc_cpt, nb_lf);
  70         if (ret) {
  71                 plt_err("Could not configure device");
  72                 return ret;
  73         }
  74
  75         if (dev->feature_flags & RTE_CRYPTODEV_FF_ASYMMETRIC_CRYPTO) {
  76                 /* Initialize shared FPM table */
  77                 ret = roc_ae_fpm_get(vf->cnxk_fpm_iova);
  78                 if (ret) {
  79                         plt_err("Could not get FPM table");
  80                         return ret;
  81                 }
  82
  83                 /* Init EC grp table */
  84                 ret = roc_ae_ec_grp_get(vf->ec_grp);
  85                 if (ret) {
  86                         plt_err("Could not get EC grp table");
  87                         roc_ae_fpm_put();
  88                         return ret;
  89                 }
  90         }
  91
  92         return 0;
  93 }
  94
  95 int
  96 cnxk_cpt_dev_start(struct rte_cryptodev *dev)
  97 {
  98         struct cnxk_cpt_vf *vf = dev->data->dev_private;
  99         struct roc_cpt *roc_cpt = &vf->cpt;
 100         uint16_t nb_lf = roc_cpt->nb_lf;
 101         uint16_t qp_id;
 102
 103         for (qp_id = 0; qp_id < nb_lf; qp_id++)
 104                 roc_cpt_iq_enable(roc_cpt->lf[qp_id]);
 105
 106         return 0;
 107 }
 108
 109 void
 110 cnxk_cpt_dev_stop(struct rte_cryptodev *dev)
 111 {
 112         struct cnxk_cpt_vf *vf = dev->data->dev_private;
 113         struct roc_cpt *roc_cpt = &vf->cpt;
 114         uint16_t nb_lf = roc_cpt->nb_lf;
 115         uint16_t qp_id;
 116
 117         for (qp_id = 0; qp_id < nb_lf; qp_id++)
 118                 roc_cpt_iq_disable(roc_cpt->lf[qp_id]);
 119 }
 120
 121 int
 122 cnxk_cpt_dev_close(struct rte_cryptodev *dev)
 123 {
 124         struct cnxk_cpt_vf *vf = dev->data->dev_private;
 125         uint16_t i;
 126         int ret;
 127
 128         for (i = 0; i < dev->data->nb_queue_pairs; i++) {
 129                 ret = cnxk_cpt_queue_pair_release(dev, i);
 130                 if (ret < 0) {
 131                         plt_err("Could not release queue pair %u", i);
 132                         return ret;
 133                 }
 134         }
 135
 136         if (dev->feature_flags & RTE_CRYPTODEV_FF_ASYMMETRIC_CRYPTO) {
 137                 roc_ae_fpm_put();
 138                 roc_ae_ec_grp_put();
 139         }
 140
 141         roc_cpt_dev_clear(&vf->cpt);
 142
 143         return 0;
 144 }
 145
 146 void
 147 cnxk_cpt_dev_info_get(struct rte_cryptodev *dev,
 148                       struct rte_cryptodev_info *info)
 149 {
 150         struct cnxk_cpt_vf *vf = dev->data->dev_private;
 151         struct roc_cpt *roc_cpt = &vf->cpt;
 152
 153         info->max_nb_queue_pairs =
 154                 RTE_MIN(roc_cpt->nb_lf_avail, vf->max_qps_limit);
 155         plt_cpt_dbg("max_nb_queue_pairs %u", info->max_nb_queue_pairs);
 156
 157         info->feature_flags = cnxk_cpt_default_ff_get();
 158         info->capabilities = cnxk_crypto_capabilities_get(vf);
 159         info->sym.max_nb_sessions = 0;
 160         info->min_mbuf_headroom_req = CNXK_CPT_MIN_HEADROOM_REQ;
 161         info->min_mbuf_tailroom_req = CNXK_CPT_MIN_TAILROOM_REQ;
 162 }
 163
 164 static void
 165 qp_memzone_name_get(char *name, int size, int dev_id, int qp_id)
 166 {
 167         snprintf(name, size, "cnxk_cpt_pq_mem_%u:%u", dev_id, qp_id);
 168 }
 169
 170 static int
 171 cnxk_cpt_metabuf_mempool_create(const struct rte_cryptodev *dev,
 172                                 struct cnxk_cpt_qp *qp, uint8_t qp_id,
 173                                 uint32_t nb_elements)
 174 {
 175         char mempool_name[RTE_MEMPOOL_NAMESIZE];
 176         struct cpt_qp_meta_info *meta_info;
 177         struct rte_mempool *pool;
 178         uint32_t cache_sz;
 179         int mlen = 8;
 180
 181         if (dev->feature_flags & RTE_CRYPTODEV_FF_SYMMETRIC_CRYPTO) {
 182                 /* Get meta len */
 183                 mlen = cnxk_cpt_get_mlen();
 184         }
 185
 186         if (dev->feature_flags & RTE_CRYPTODEV_FF_ASYMMETRIC_CRYPTO) {
 187
 188                 /* Get meta len required for asymmetric operations */
 189                 mlen = RTE_MAX(mlen, cnxk_cpt_asym_get_mlen());
 190         }
 191
 192         cache_sz = RTE_MIN(RTE_MEMPOOL_CACHE_MAX_SIZE, nb_elements / 1.5);
 193
 194         /* Allocate mempool */
 195
 196         snprintf(mempool_name, RTE_MEMPOOL_NAMESIZE, "cnxk_cpt_mb_%u:%u",
 197                  dev->data->dev_id, qp_id);
 198
 199         pool = rte_mempool_create(mempool_name, nb_elements, mlen, cache_sz, 0,
 200                                   NULL, NULL, NULL, NULL, rte_socket_id(), 0);
 201
 202         if (pool == NULL) {
 203                 plt_err("Could not create mempool for metabuf");
 204                 return rte_errno;
 205         }
 206
 207         meta_info = &qp->meta_info;
 208
 209         meta_info->pool = pool;
 210         meta_info->mlen = mlen;
 211
 212         return 0;
 213 }
 214
 215 static void
 216 cnxk_cpt_metabuf_mempool_destroy(struct cnxk_cpt_qp *qp)
 217 {
 218         struct cpt_qp_meta_info *meta_info = &qp->meta_info;
 219
 220         rte_mempool_free(meta_info->pool);
 221
 222         meta_info->pool = NULL;
 223         meta_info->mlen = 0;
 224 }
 225
 226 static struct cnxk_cpt_qp *
 227 cnxk_cpt_qp_create(const struct rte_cryptodev *dev, uint16_t qp_id,
 228                    uint32_t iq_len)
 229 {
 230         const struct rte_memzone *pq_mem;
 231         char name[RTE_MEMZONE_NAMESIZE];
 232         struct cnxk_cpt_qp *qp;
 233         uint32_t len;
 234         uint8_t *va;
 235         int ret;
 236
 237         /* Allocate queue pair */
 238         qp = rte_zmalloc_socket("CNXK Crypto PMD Queue Pair", sizeof(*qp),
 239                                 ROC_ALIGN, 0);
 240         if (qp == NULL) {
 241                 plt_err("Could not allocate queue pair");
 242                 return NULL;
 243         }
 244
 245         /* For pending queue */
 246         len = iq_len * sizeof(struct cpt_inflight_req);
 247
 248         qp_memzone_name_get(name, RTE_MEMZONE_NAMESIZE, dev->data->dev_id,
 249                             qp_id);
 250
 251         pq_mem = rte_memzone_reserve_aligned(name, len, rte_socket_id(),
 252                                              RTE_MEMZONE_SIZE_HINT_ONLY |
 253                                                      RTE_MEMZONE_256MB,
 254                                              RTE_CACHE_LINE_SIZE);
 255         if (pq_mem == NULL) {
 256                 plt_err("Could not allocate reserved memzone");
 257                 goto qp_free;
 258         }
 259
 260         va = pq_mem->addr;
 261
 262         memset(va, 0, len);
 263
 264         ret = cnxk_cpt_metabuf_mempool_create(dev, qp, qp_id, iq_len);
 265         if (ret) {
 266                 plt_err("Could not create mempool for metabuf");
 267                 goto pq_mem_free;
 268         }
 269
 270         /* Initialize pending queue */
 271         qp->pend_q.req_queue = pq_mem->addr;
 272         qp->pend_q.enq_tail = 0;
 273         qp->pend_q.deq_head = 0;
 274         qp->pend_q.pending_count = 0;
 275
 276         return qp;
 277
 278 pq_mem_free:
 279         rte_memzone_free(pq_mem);
 280 qp_free:
 281         rte_free(qp);
 282         return NULL;
 283 }
 284
 285 static int
 286 cnxk_cpt_qp_destroy(const struct rte_cryptodev *dev, struct cnxk_cpt_qp *qp)
 287 {
 288         const struct rte_memzone *pq_mem;
 289         char name[RTE_MEMZONE_NAMESIZE];
 290         int ret;
 291
 292         cnxk_cpt_metabuf_mempool_destroy(qp);
 293
 294         qp_memzone_name_get(name, RTE_MEMZONE_NAMESIZE, dev->data->dev_id,
 295                             qp->lf.lf_id);
 296
 297         pq_mem = rte_memzone_lookup(name);
 298
 299         ret = rte_memzone_free(pq_mem);
 300         if (ret)
 301                 return ret;
 302
 303         rte_free(qp);
 304
 305         return 0;
 306 }
 307
 308 int
 309 cnxk_cpt_queue_pair_release(struct rte_cryptodev *dev, uint16_t qp_id)
 310 {
 311         struct cnxk_cpt_qp *qp = dev->data->queue_pairs[qp_id];
 312         struct cnxk_cpt_vf *vf = dev->data->dev_private;
 313         struct roc_cpt *roc_cpt = &vf->cpt;
 314         struct roc_cpt_lf *lf;
 315         int ret;
 316
 317         if (qp == NULL)
 318                 return -EINVAL;
 319
 320         lf = roc_cpt->lf[qp_id];
 321         if (lf == NULL)
 322                 return -ENOTSUP;
 323
 324         roc_cpt_lf_fini(lf);
 325
 326         ret = cnxk_cpt_qp_destroy(dev, qp);
 327         if (ret) {
 328                 plt_err("Could not destroy queue pair %d", qp_id);
 329                 return ret;
 330         }
 331
 332         roc_cpt->lf[qp_id] = NULL;
 333         dev->data->queue_pairs[qp_id] = NULL;
 334
 335         return 0;
 336 }
 337
 338 int
 339 cnxk_cpt_queue_pair_setup(struct rte_cryptodev *dev, uint16_t qp_id,
 340                           const struct rte_cryptodev_qp_conf *conf,
 341                           int socket_id __rte_unused)
 342 {
 343         struct cnxk_cpt_vf *vf = dev->data->dev_private;
 344         struct roc_cpt *roc_cpt = &vf->cpt;
 345         struct rte_pci_device *pci_dev;
 346         struct cnxk_cpt_qp *qp;
 347         int ret;
 348
 349         if (dev->data->queue_pairs[qp_id] != NULL)
 350                 cnxk_cpt_queue_pair_release(dev, qp_id);
 351
 352         pci_dev = RTE_DEV_TO_PCI(dev->device);
 353
 354         if (pci_dev->mem_resource[2].addr == NULL) {
 355                 plt_err("Invalid PCI mem address");
 356                 return -EIO;
 357         }
 358
 359         qp = cnxk_cpt_qp_create(dev, qp_id, conf->nb_descriptors);
 360         if (qp == NULL) {
 361                 plt_err("Could not create queue pair %d", qp_id);
 362                 return -ENOMEM;
 363         }
 364
 365         qp->lf.lf_id = qp_id;
 366         qp->lf.nb_desc = conf->nb_descriptors;
 367
 368         ret = roc_cpt_lf_init(roc_cpt, &qp->lf);
 369         if (ret < 0) {
 370                 plt_err("Could not initialize queue pair %d", qp_id);
 371                 ret = -EINVAL;
 372                 goto exit;
 373         }
 374
 375         roc_cpt->lf[qp_id] = &qp->lf;
 376
 377         ret = roc_cpt_lmtline_init(roc_cpt, &qp->lmtline, qp_id);
 378         if (ret < 0) {
 379                 roc_cpt->lf[qp_id] = NULL;
 380                 plt_err("Could not init lmtline for queue pair %d", qp_id);
 381                 goto exit;
 382         }
 383
 384         qp->sess_mp = conf->mp_session;
 385         qp->sess_mp_priv = conf->mp_session_private;
 386         dev->data->queue_pairs[qp_id] = qp;
 387
 388         return 0;
 389
 390 exit:
 391         cnxk_cpt_qp_destroy(dev, qp);
 392         return ret;
 393 }
 394
 395 unsigned int
 396 cnxk_cpt_sym_session_get_size(struct rte_cryptodev *dev __rte_unused)
 397 {
 398         return sizeof(struct cnxk_se_sess);
 399 }
 400
 401 static int
 402 sym_xform_verify(struct rte_crypto_sym_xform *xform)
 403 {
 404         if (xform->type == RTE_CRYPTO_SYM_XFORM_AUTH &&
 405             xform->auth.algo == RTE_CRYPTO_AUTH_NULL &&
 406             xform->auth.op == RTE_CRYPTO_AUTH_OP_VERIFY)
 407                 return -ENOTSUP;
 408
 409         if (xform->type == RTE_CRYPTO_SYM_XFORM_CIPHER && xform->next == NULL)
 410                 return CNXK_CPT_CIPHER;
 411
 412         if (xform->type == RTE_CRYPTO_SYM_XFORM_AUTH && xform->next == NULL)
 413                 return CNXK_CPT_AUTH;
 414
 415         if (xform->type == RTE_CRYPTO_SYM_XFORM_AEAD && xform->next == NULL)
 416                 return CNXK_CPT_AEAD;
 417
 418         if (xform->next == NULL)
 419                 return -EIO;
 420
 421         if (xform->type == RTE_CRYPTO_SYM_XFORM_CIPHER &&
 422             xform->cipher.algo == RTE_CRYPTO_CIPHER_3DES_CBC &&
 423             xform->next->type == RTE_CRYPTO_SYM_XFORM_AUTH &&
 424             xform->next->auth.algo == RTE_CRYPTO_AUTH_SHA1)
 425                 return -ENOTSUP;
 426
 427         if (xform->type == RTE_CRYPTO_SYM_XFORM_AUTH &&
 428             xform->auth.algo == RTE_CRYPTO_AUTH_SHA1 &&
 429             xform->next->type == RTE_CRYPTO_SYM_XFORM_CIPHER &&
 430             xform->next->cipher.algo == RTE_CRYPTO_CIPHER_3DES_CBC)
 431                 return -ENOTSUP;
 432
 433         if (xform->type == RTE_CRYPTO_SYM_XFORM_CIPHER &&
 434             xform->cipher.op == RTE_CRYPTO_CIPHER_OP_ENCRYPT &&
 435             xform->next->type == RTE_CRYPTO_SYM_XFORM_AUTH &&
 436             xform->next->auth.op == RTE_CRYPTO_AUTH_OP_GENERATE)
 437                 return CNXK_CPT_CIPHER_ENC_AUTH_GEN;
 438
 439         if (xform->type == RTE_CRYPTO_SYM_XFORM_AUTH &&
 440             xform->auth.op == RTE_CRYPTO_AUTH_OP_VERIFY &&
 441             xform->next->type == RTE_CRYPTO_SYM_XFORM_CIPHER &&
 442             xform->next->cipher.op == RTE_CRYPTO_CIPHER_OP_DECRYPT)
 443                 return CNXK_CPT_AUTH_VRFY_CIPHER_DEC;
 444
 445         if (xform->type == RTE_CRYPTO_SYM_XFORM_AUTH &&
 446             xform->auth.op == RTE_CRYPTO_AUTH_OP_GENERATE &&
 447             xform->next->type == RTE_CRYPTO_SYM_XFORM_CIPHER &&
 448             xform->next->cipher.op == RTE_CRYPTO_CIPHER_OP_ENCRYPT) {
 449                 switch (xform->auth.algo) {
 450                 case RTE_CRYPTO_AUTH_SHA1_HMAC:
 451                         switch (xform->next->cipher.algo) {
 452                         case RTE_CRYPTO_CIPHER_AES_CBC:
 453                                 return CNXK_CPT_AUTH_GEN_CIPHER_ENC;
 454                         default:
 455                                 return -ENOTSUP;
 456                         }
 457                 default:
 458                         return -ENOTSUP;
 459                 }
 460         }
 461
 462         if (xform->type == RTE_CRYPTO_SYM_XFORM_CIPHER &&
 463             xform->cipher.op == RTE_CRYPTO_CIPHER_OP_DECRYPT &&
 464             xform->next->type == RTE_CRYPTO_SYM_XFORM_AUTH &&
 465             xform->next->auth.op == RTE_CRYPTO_AUTH_OP_VERIFY) {
 466                 switch (xform->cipher.algo) {
 467                 case RTE_CRYPTO_CIPHER_AES_CBC:
 468                         switch (xform->next->auth.algo) {
 469                         case RTE_CRYPTO_AUTH_SHA1_HMAC:
 470                                 return CNXK_CPT_CIPHER_DEC_AUTH_VRFY;
 471                         default:
 472                                 return -ENOTSUP;
 473                         }
 474                 default:
 475                         return -ENOTSUP;
 476                 }
 477         }
 478
 479         return -ENOTSUP;
 480 }
 481
 482 static uint64_t
 483 cnxk_cpt_inst_w7_get(struct cnxk_se_sess *sess, struct roc_cpt *roc_cpt)
 484 {
 485         union cpt_inst_w7 inst_w7;
 486
 487         inst_w7.s.cptr = (uint64_t)&sess->roc_se_ctx.se_ctx;
 488
 489         /* Set the engine group */
 490         if (sess->zsk_flag || sess->chacha_poly)
 491                 inst_w7.s.egrp = roc_cpt->eng_grp[CPT_ENG_TYPE_SE];
 492         else
 493                 inst_w7.s.egrp = roc_cpt->eng_grp[CPT_ENG_TYPE_IE];
 494
 495         return inst_w7.u64;
 496 }
 497
 498 int
 499 sym_session_configure(struct roc_cpt *roc_cpt, int driver_id,
 500                       struct rte_crypto_sym_xform *xform,
 501                       struct rte_cryptodev_sym_session *sess,
 502                       struct rte_mempool *pool)
 503 {
 504         struct cnxk_se_sess *sess_priv;
 505         void *priv;
 506         int ret;
 507
 508         ret = sym_xform_verify(xform);
 509         if (unlikely(ret < 0))
 510                 return ret;
 511
 512         if (unlikely(rte_mempool_get(pool, &priv))) {
 513                 plt_dp_err("Could not allocate session private data");
 514                 return -ENOMEM;
 515         }
 516
 517         memset(priv, 0, sizeof(struct cnxk_se_sess));
 518
 519         sess_priv = priv;
 520
 521         switch (ret) {
 522         case CNXK_CPT_CIPHER:
 523                 ret = fill_sess_cipher(xform, sess_priv);
 524                 break;
 525         case CNXK_CPT_AUTH:
 526                 if (xform->auth.algo == RTE_CRYPTO_AUTH_AES_GMAC)
 527                         ret = fill_sess_gmac(xform, sess_priv);
 528                 else
 529                         ret = fill_sess_auth(xform, sess_priv);
 530                 break;
 531         case CNXK_CPT_AEAD:
 532                 ret = fill_sess_aead(xform, sess_priv);
 533                 break;
 534         case CNXK_CPT_CIPHER_ENC_AUTH_GEN:
 535         case CNXK_CPT_CIPHER_DEC_AUTH_VRFY:
 536                 ret = fill_sess_cipher(xform, sess_priv);
 537                 if (ret < 0)
 538                         break;
 539                 ret = fill_sess_auth(xform->next, sess_priv);
 540                 break;
 541         case CNXK_CPT_AUTH_VRFY_CIPHER_DEC:
 542         case CNXK_CPT_AUTH_GEN_CIPHER_ENC:
 543                 ret = fill_sess_auth(xform, sess_priv);
 544                 if (ret < 0)
 545                         break;
 546                 ret = fill_sess_cipher(xform->next, sess_priv);
 547                 break;
 548         default:
 549                 ret = -1;
 550         }
 551
 552         if (ret)
 553                 goto priv_put;
 554
 555         if ((sess_priv->roc_se_ctx.fc_type == ROC_SE_HASH_HMAC) &&
 556             cpt_mac_len_verify(&xform->auth)) {
 557                 plt_dp_err("MAC length is not supported");
 558                 if (sess_priv->roc_se_ctx.auth_key != NULL) {
 559                         plt_free(sess_priv->roc_se_ctx.auth_key);
 560                         sess_priv->roc_se_ctx.auth_key = NULL;
 561                 }
 562
 563                 ret = -ENOTSUP;
 564                 goto priv_put;
 565         }
 566
 567         sess_priv->cpt_inst_w7 = cnxk_cpt_inst_w7_get(sess_priv, roc_cpt);
 568
 569         set_sym_session_private_data(sess, driver_id, sess_priv);
 570
 571         return 0;
 572
 573 priv_put:
 574         rte_mempool_put(pool, priv);
 575
 576         return -ENOTSUP;
 577 }
 578
 579 int
 580 cnxk_cpt_sym_session_configure(struct rte_cryptodev *dev,
 581                                struct rte_crypto_sym_xform *xform,
 582                                struct rte_cryptodev_sym_session *sess,
 583                                struct rte_mempool *pool)
 584 {
 585         struct cnxk_cpt_vf *vf = dev->data->dev_private;
 586         struct roc_cpt *roc_cpt = &vf->cpt;
 587         uint8_t driver_id;
 588
 589         driver_id = dev->driver_id;
 590
 591         return sym_session_configure(roc_cpt, driver_id, xform, sess, pool);
 592 }
 593
 594 void
 595 sym_session_clear(int driver_id, struct rte_cryptodev_sym_session *sess)
 596 {
 597         void *priv = get_sym_session_private_data(sess, driver_id);
 598         struct cnxk_se_sess *sess_priv;
 599         struct rte_mempool *pool;
 600
 601         if (priv == NULL)
 602                 return;
 603
 604         sess_priv = priv;
 605
 606         if (sess_priv->roc_se_ctx.auth_key != NULL)
 607                 plt_free(sess_priv->roc_se_ctx.auth_key);
 608
 609         memset(priv, 0, cnxk_cpt_sym_session_get_size(NULL));
 610
 611         pool = rte_mempool_from_obj(priv);
 612
 613         set_sym_session_private_data(sess, driver_id, NULL);
 614
 615         rte_mempool_put(pool, priv);
 616 }
 617
 618 void
 619 cnxk_cpt_sym_session_clear(struct rte_cryptodev *dev,
 620                            struct rte_cryptodev_sym_session *sess)
 621 {
 622         return sym_session_clear(dev->driver_id, sess);
 623 }
 624
 625 unsigned int
 626 cnxk_ae_session_size_get(struct rte_cryptodev *dev __rte_unused)
 627 {
 628         return sizeof(struct cnxk_ae_sess);
 629 }
 630
 631 void
 632 cnxk_ae_session_clear(struct rte_cryptodev *dev,
 633                       struct rte_cryptodev_asym_session *sess)
 634 {
 635         struct rte_mempool *sess_mp;
 636         struct cnxk_ae_sess *priv;
 637
 638         priv = get_asym_session_private_data(sess, dev->driver_id);
 639         if (priv == NULL)
 640                 return;
 641
 642         /* Free resources allocated in session_cfg */
 643         cnxk_ae_free_session_parameters(priv);
 644
 645         /* Reset and free object back to pool */
 646         memset(priv, 0, cnxk_ae_session_size_get(dev));
 647         sess_mp = rte_mempool_from_obj(priv);
 648         set_asym_session_private_data(sess, dev->driver_id, NULL);
 649         rte_mempool_put(sess_mp, priv);
 650 }
 651
 652 int
 653 cnxk_ae_session_cfg(struct rte_cryptodev *dev,
 654                     struct rte_crypto_asym_xform *xform,
 655                     struct rte_cryptodev_asym_session *sess,
 656                     struct rte_mempool *pool)
 657 {
 658         struct cnxk_cpt_vf *vf = dev->data->dev_private;
 659         struct roc_cpt *roc_cpt = &vf->cpt;
 660         struct cnxk_ae_sess *priv;
 661         union cpt_inst_w7 w7;
 662         int ret;
 663
 664         if (rte_mempool_get(pool, (void **)&priv))
 665                 return -ENOMEM;
 666
 667         memset(priv, 0, sizeof(struct cnxk_ae_sess));
 668
 669         ret = cnxk_ae_fill_session_parameters(priv, xform);
 670         if (ret) {
 671                 rte_mempool_put(pool, priv);
 672                 return ret;
 673         }
 674
 675         w7.u64 = 0;
 676         w7.s.egrp = roc_cpt->eng_grp[CPT_ENG_TYPE_AE];
 677         priv->cpt_inst_w7 = w7.u64;
 678         priv->cnxk_fpm_iova = vf->cnxk_fpm_iova;
 679         priv->ec_grp = vf->ec_grp;
 680         set_asym_session_private_data(sess, dev->driver_id, priv);
 681
 682         return 0;
 683 }