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 = roc_cpt->nb_lf_avail;
 154         info->feature_flags = cnxk_cpt_default_ff_get();
 155         info->capabilities = cnxk_crypto_capabilities_get(vf);
 156         info->sym.max_nb_sessions = 0;
 157         info->min_mbuf_headroom_req = CNXK_CPT_MIN_HEADROOM_REQ;
 158         info->min_mbuf_tailroom_req = CNXK_CPT_MIN_TAILROOM_REQ;
 159 }
 160
 161 static void
 162 qp_memzone_name_get(char *name, int size, int dev_id, int qp_id)
 163 {
 164         snprintf(name, size, "cnxk_cpt_pq_mem_%u:%u", dev_id, qp_id);
 165 }
 166
 167 static int
 168 cnxk_cpt_metabuf_mempool_create(const struct rte_cryptodev *dev,
 169                                 struct cnxk_cpt_qp *qp, uint8_t qp_id,
 170                                 uint32_t nb_elements)
 171 {
 172         char mempool_name[RTE_MEMPOOL_NAMESIZE];
 173         struct cpt_qp_meta_info *meta_info;
 174         struct rte_mempool *pool;
 175         uint32_t cache_sz;
 176         int mlen = 8;
 177
 178         if (dev->feature_flags & RTE_CRYPTODEV_FF_SYMMETRIC_CRYPTO) {
 179                 /* Get meta len */
 180                 mlen = cnxk_cpt_get_mlen();
 181         }
 182
 183         if (dev->feature_flags & RTE_CRYPTODEV_FF_ASYMMETRIC_CRYPTO) {
 184
 185                 /* Get meta len required for asymmetric operations */
 186                 mlen = RTE_MAX(mlen, cnxk_cpt_asym_get_mlen());
 187         }
 188
 189         cache_sz = RTE_MIN(RTE_MEMPOOL_CACHE_MAX_SIZE, nb_elements / 1.5);
 190
 191         /* Allocate mempool */
 192
 193         snprintf(mempool_name, RTE_MEMPOOL_NAMESIZE, "cnxk_cpt_mb_%u:%u",
 194                  dev->data->dev_id, qp_id);
 195
 196         pool = rte_mempool_create(mempool_name, nb_elements, mlen, cache_sz, 0,
 197                                   NULL, NULL, NULL, NULL, rte_socket_id(), 0);
 198
 199         if (pool == NULL) {
 200                 plt_err("Could not create mempool for metabuf");
 201                 return rte_errno;
 202         }
 203
 204         meta_info = &qp->meta_info;
 205
 206         meta_info->pool = pool;
 207         meta_info->mlen = mlen;
 208
 209         return 0;
 210 }
 211
 212 static void
 213 cnxk_cpt_metabuf_mempool_destroy(struct cnxk_cpt_qp *qp)
 214 {
 215         struct cpt_qp_meta_info *meta_info = &qp->meta_info;
 216
 217         rte_mempool_free(meta_info->pool);
 218
 219         meta_info->pool = NULL;
 220         meta_info->mlen = 0;
 221 }
 222
 223 static struct cnxk_cpt_qp *
 224 cnxk_cpt_qp_create(const struct rte_cryptodev *dev, uint16_t qp_id,
 225                    uint32_t iq_len)
 226 {
 227         const struct rte_memzone *pq_mem;
 228         char name[RTE_MEMZONE_NAMESIZE];
 229         struct cnxk_cpt_qp *qp;
 230         uint32_t len;
 231         uint8_t *va;
 232         int ret;
 233
 234         /* Allocate queue pair */
 235         qp = rte_zmalloc_socket("CNXK Crypto PMD Queue Pair", sizeof(*qp),
 236                                 ROC_ALIGN, 0);
 237         if (qp == NULL) {
 238                 plt_err("Could not allocate queue pair");
 239                 return NULL;
 240         }
 241
 242         /* For pending queue */
 243         len = iq_len * sizeof(struct cpt_inflight_req);
 244
 245         qp_memzone_name_get(name, RTE_MEMZONE_NAMESIZE, dev->data->dev_id,
 246                             qp_id);
 247
 248         pq_mem = rte_memzone_reserve_aligned(name, len, rte_socket_id(),
 249                                              RTE_MEMZONE_SIZE_HINT_ONLY |
 250                                                      RTE_MEMZONE_256MB,
 251                                              RTE_CACHE_LINE_SIZE);
 252         if (pq_mem == NULL) {
 253                 plt_err("Could not allocate reserved memzone");
 254                 goto qp_free;
 255         }
 256
 257         va = pq_mem->addr;
 258
 259         memset(va, 0, len);
 260
 261         ret = cnxk_cpt_metabuf_mempool_create(dev, qp, qp_id, iq_len);
 262         if (ret) {
 263                 plt_err("Could not create mempool for metabuf");
 264                 goto pq_mem_free;
 265         }
 266
 267         /* Initialize pending queue */
 268         qp->pend_q.req_queue = pq_mem->addr;
 269         qp->pend_q.enq_tail = 0;
 270         qp->pend_q.deq_head = 0;
 271         qp->pend_q.pending_count = 0;
 272
 273         return qp;
 274
 275 pq_mem_free:
 276         rte_memzone_free(pq_mem);
 277 qp_free:
 278         rte_free(qp);
 279         return NULL;
 280 }
 281
 282 static int
 283 cnxk_cpt_qp_destroy(const struct rte_cryptodev *dev, struct cnxk_cpt_qp *qp)
 284 {
 285         const struct rte_memzone *pq_mem;
 286         char name[RTE_MEMZONE_NAMESIZE];
 287         int ret;
 288
 289         cnxk_cpt_metabuf_mempool_destroy(qp);
 290
 291         qp_memzone_name_get(name, RTE_MEMZONE_NAMESIZE, dev->data->dev_id,
 292                             qp->lf.lf_id);
 293
 294         pq_mem = rte_memzone_lookup(name);
 295
 296         ret = rte_memzone_free(pq_mem);
 297         if (ret)
 298                 return ret;
 299
 300         rte_free(qp);
 301
 302         return 0;
 303 }
 304
 305 int
 306 cnxk_cpt_queue_pair_release(struct rte_cryptodev *dev, uint16_t qp_id)
 307 {
 308         struct cnxk_cpt_qp *qp = dev->data->queue_pairs[qp_id];
 309         struct cnxk_cpt_vf *vf = dev->data->dev_private;
 310         struct roc_cpt *roc_cpt = &vf->cpt;
 311         struct roc_cpt_lf *lf;
 312         int ret;
 313
 314         if (qp == NULL)
 315                 return -EINVAL;
 316
 317         lf = roc_cpt->lf[qp_id];
 318         if (lf == NULL)
 319                 return -ENOTSUP;
 320
 321         roc_cpt_lf_fini(lf);
 322
 323         ret = cnxk_cpt_qp_destroy(dev, qp);
 324         if (ret) {
 325                 plt_err("Could not destroy queue pair %d", qp_id);
 326                 return ret;
 327         }
 328
 329         roc_cpt->lf[qp_id] = NULL;
 330         dev->data->queue_pairs[qp_id] = NULL;
 331
 332         return 0;
 333 }
 334
 335 int
 336 cnxk_cpt_queue_pair_setup(struct rte_cryptodev *dev, uint16_t qp_id,
 337                           const struct rte_cryptodev_qp_conf *conf,
 338                           int socket_id __rte_unused)
 339 {
 340         struct cnxk_cpt_vf *vf = dev->data->dev_private;
 341         struct roc_cpt *roc_cpt = &vf->cpt;
 342         struct rte_pci_device *pci_dev;
 343         struct cnxk_cpt_qp *qp;
 344         int ret;
 345
 346         if (dev->data->queue_pairs[qp_id] != NULL)
 347                 cnxk_cpt_queue_pair_release(dev, qp_id);
 348
 349         pci_dev = RTE_DEV_TO_PCI(dev->device);
 350
 351         if (pci_dev->mem_resource[2].addr == NULL) {
 352                 plt_err("Invalid PCI mem address");
 353                 return -EIO;
 354         }
 355
 356         qp = cnxk_cpt_qp_create(dev, qp_id, conf->nb_descriptors);
 357         if (qp == NULL) {
 358                 plt_err("Could not create queue pair %d", qp_id);
 359                 return -ENOMEM;
 360         }
 361
 362         qp->lf.lf_id = qp_id;
 363         qp->lf.nb_desc = conf->nb_descriptors;
 364
 365         ret = roc_cpt_lf_init(roc_cpt, &qp->lf);
 366         if (ret < 0) {
 367                 plt_err("Could not initialize queue pair %d", qp_id);
 368                 ret = -EINVAL;
 369                 goto exit;
 370         }
 371
 372         roc_cpt->lf[qp_id] = &qp->lf;
 373
 374         ret = roc_cpt_lmtline_init(roc_cpt, &qp->lmtline, qp_id);
 375         if (ret < 0) {
 376                 roc_cpt->lf[qp_id] = NULL;
 377                 plt_err("Could not init lmtline for queue pair %d", qp_id);
 378                 goto exit;
 379         }
 380
 381         qp->sess_mp = conf->mp_session;
 382         qp->sess_mp_priv = conf->mp_session_private;
 383         dev->data->queue_pairs[qp_id] = qp;
 384
 385         return 0;
 386
 387 exit:
 388         cnxk_cpt_qp_destroy(dev, qp);
 389         return ret;
 390 }
 391
 392 unsigned int
 393 cnxk_cpt_sym_session_get_size(struct rte_cryptodev *dev __rte_unused)
 394 {
 395         return sizeof(struct cnxk_se_sess);
 396 }
 397
 398 static int
 399 sym_xform_verify(struct rte_crypto_sym_xform *xform)
 400 {
 401         if (xform->type == RTE_CRYPTO_SYM_XFORM_AUTH &&
 402             xform->auth.algo == RTE_CRYPTO_AUTH_NULL &&
 403             xform->auth.op == RTE_CRYPTO_AUTH_OP_VERIFY)
 404                 return -ENOTSUP;
 405
 406         if (xform->type == RTE_CRYPTO_SYM_XFORM_CIPHER && xform->next == NULL)
 407                 return CNXK_CPT_CIPHER;
 408
 409         if (xform->type == RTE_CRYPTO_SYM_XFORM_AUTH && xform->next == NULL)
 410                 return CNXK_CPT_AUTH;
 411
 412         if (xform->type == RTE_CRYPTO_SYM_XFORM_AEAD && xform->next == NULL)
 413                 return CNXK_CPT_AEAD;
 414
 415         if (xform->next == NULL)
 416                 return -EIO;
 417
 418         if (xform->type == RTE_CRYPTO_SYM_XFORM_CIPHER &&
 419             xform->cipher.algo == RTE_CRYPTO_CIPHER_3DES_CBC &&
 420             xform->next->type == RTE_CRYPTO_SYM_XFORM_AUTH &&
 421             xform->next->auth.algo == RTE_CRYPTO_AUTH_SHA1)
 422                 return -ENOTSUP;
 423
 424         if (xform->type == RTE_CRYPTO_SYM_XFORM_AUTH &&
 425             xform->auth.algo == RTE_CRYPTO_AUTH_SHA1 &&
 426             xform->next->type == RTE_CRYPTO_SYM_XFORM_CIPHER &&
 427             xform->next->cipher.algo == RTE_CRYPTO_CIPHER_3DES_CBC)
 428                 return -ENOTSUP;
 429
 430         if (xform->type == RTE_CRYPTO_SYM_XFORM_CIPHER &&
 431             xform->cipher.op == RTE_CRYPTO_CIPHER_OP_ENCRYPT &&
 432             xform->next->type == RTE_CRYPTO_SYM_XFORM_AUTH &&
 433             xform->next->auth.op == RTE_CRYPTO_AUTH_OP_GENERATE)
 434                 return CNXK_CPT_CIPHER_ENC_AUTH_GEN;
 435
 436         if (xform->type == RTE_CRYPTO_SYM_XFORM_AUTH &&
 437             xform->auth.op == RTE_CRYPTO_AUTH_OP_VERIFY &&
 438             xform->next->type == RTE_CRYPTO_SYM_XFORM_CIPHER &&
 439             xform->next->cipher.op == RTE_CRYPTO_CIPHER_OP_DECRYPT)
 440                 return CNXK_CPT_AUTH_VRFY_CIPHER_DEC;
 441
 442         if (xform->type == RTE_CRYPTO_SYM_XFORM_AUTH &&
 443             xform->auth.op == RTE_CRYPTO_AUTH_OP_GENERATE &&
 444             xform->next->type == RTE_CRYPTO_SYM_XFORM_CIPHER &&
 445             xform->next->cipher.op == RTE_CRYPTO_CIPHER_OP_ENCRYPT) {
 446                 switch (xform->auth.algo) {
 447                 case RTE_CRYPTO_AUTH_SHA1_HMAC:
 448                         switch (xform->next->cipher.algo) {
 449                         case RTE_CRYPTO_CIPHER_AES_CBC:
 450                                 return CNXK_CPT_AUTH_GEN_CIPHER_ENC;
 451                         default:
 452                                 return -ENOTSUP;
 453                         }
 454                 default:
 455                         return -ENOTSUP;
 456                 }
 457         }
 458
 459         if (xform->type == RTE_CRYPTO_SYM_XFORM_CIPHER &&
 460             xform->cipher.op == RTE_CRYPTO_CIPHER_OP_DECRYPT &&
 461             xform->next->type == RTE_CRYPTO_SYM_XFORM_AUTH &&
 462             xform->next->auth.op == RTE_CRYPTO_AUTH_OP_VERIFY) {
 463                 switch (xform->cipher.algo) {
 464                 case RTE_CRYPTO_CIPHER_AES_CBC:
 465                         switch (xform->next->auth.algo) {
 466                         case RTE_CRYPTO_AUTH_SHA1_HMAC:
 467                                 return CNXK_CPT_CIPHER_DEC_AUTH_VRFY;
 468                         default:
 469                                 return -ENOTSUP;
 470                         }
 471                 default:
 472                         return -ENOTSUP;
 473                 }
 474         }
 475
 476         return -ENOTSUP;
 477 }
 478
 479 static uint64_t
 480 cnxk_cpt_inst_w7_get(struct cnxk_se_sess *sess, struct roc_cpt *roc_cpt)
 481 {
 482         union cpt_inst_w7 inst_w7;
 483
 484         inst_w7.s.cptr = (uint64_t)&sess->roc_se_ctx.se_ctx;
 485
 486         /* Set the engine group */
 487         if (sess->zsk_flag || sess->chacha_poly)
 488                 inst_w7.s.egrp = roc_cpt->eng_grp[CPT_ENG_TYPE_SE];
 489         else
 490                 inst_w7.s.egrp = roc_cpt->eng_grp[CPT_ENG_TYPE_IE];
 491
 492         return inst_w7.u64;
 493 }
 494
 495 int
 496 sym_session_configure(struct roc_cpt *roc_cpt, int driver_id,
 497                       struct rte_crypto_sym_xform *xform,
 498                       struct rte_cryptodev_sym_session *sess,
 499                       struct rte_mempool *pool)
 500 {
 501         struct cnxk_se_sess *sess_priv;
 502         void *priv;
 503         int ret;
 504
 505         ret = sym_xform_verify(xform);
 506         if (unlikely(ret < 0))
 507                 return ret;
 508
 509         if (unlikely(rte_mempool_get(pool, &priv))) {
 510                 plt_dp_err("Could not allocate session private data");
 511                 return -ENOMEM;
 512         }
 513
 514         memset(priv, 0, sizeof(struct cnxk_se_sess));
 515
 516         sess_priv = priv;
 517
 518         switch (ret) {
 519         case CNXK_CPT_CIPHER:
 520                 ret = fill_sess_cipher(xform, sess_priv);
 521                 break;
 522         case CNXK_CPT_AUTH:
 523                 if (xform->auth.algo == RTE_CRYPTO_AUTH_AES_GMAC)
 524                         ret = fill_sess_gmac(xform, sess_priv);
 525                 else
 526                         ret = fill_sess_auth(xform, sess_priv);
 527                 break;
 528         case CNXK_CPT_AEAD:
 529                 ret = fill_sess_aead(xform, sess_priv);
 530                 break;
 531         case CNXK_CPT_CIPHER_ENC_AUTH_GEN:
 532         case CNXK_CPT_CIPHER_DEC_AUTH_VRFY:
 533                 ret = fill_sess_cipher(xform, sess_priv);
 534                 if (ret < 0)
 535                         break;
 536                 ret = fill_sess_auth(xform->next, sess_priv);
 537                 break;
 538         case CNXK_CPT_AUTH_VRFY_CIPHER_DEC:
 539         case CNXK_CPT_AUTH_GEN_CIPHER_ENC:
 540                 ret = fill_sess_auth(xform, sess_priv);
 541                 if (ret < 0)
 542                         break;
 543                 ret = fill_sess_cipher(xform->next, sess_priv);
 544                 break;
 545         default:
 546                 ret = -1;
 547         }
 548
 549         if (ret)
 550                 goto priv_put;
 551
 552         if ((sess_priv->roc_se_ctx.fc_type == ROC_SE_HASH_HMAC) &&
 553             cpt_mac_len_verify(&xform->auth)) {
 554                 plt_dp_err("MAC length is not supported");
 555                 if (sess_priv->roc_se_ctx.auth_key != NULL) {
 556                         plt_free(sess_priv->roc_se_ctx.auth_key);
 557                         sess_priv->roc_se_ctx.auth_key = NULL;
 558                 }
 559
 560                 ret = -ENOTSUP;
 561                 goto priv_put;
 562         }
 563
 564         sess_priv->cpt_inst_w7 = cnxk_cpt_inst_w7_get(sess_priv, roc_cpt);
 565
 566         set_sym_session_private_data(sess, driver_id, sess_priv);
 567
 568         return 0;
 569
 570 priv_put:
 571         rte_mempool_put(pool, priv);
 572
 573         return -ENOTSUP;
 574 }
 575
 576 int
 577 cnxk_cpt_sym_session_configure(struct rte_cryptodev *dev,
 578                                struct rte_crypto_sym_xform *xform,
 579                                struct rte_cryptodev_sym_session *sess,
 580                                struct rte_mempool *pool)
 581 {
 582         struct cnxk_cpt_vf *vf = dev->data->dev_private;
 583         struct roc_cpt *roc_cpt = &vf->cpt;
 584         uint8_t driver_id;
 585
 586         driver_id = dev->driver_id;
 587
 588         return sym_session_configure(roc_cpt, driver_id, xform, sess, pool);
 589 }
 590
 591 void
 592 sym_session_clear(int driver_id, struct rte_cryptodev_sym_session *sess)
 593 {
 594         void *priv = get_sym_session_private_data(sess, driver_id);
 595         struct cnxk_se_sess *sess_priv;
 596         struct rte_mempool *pool;
 597
 598         if (priv == NULL)
 599                 return;
 600
 601         sess_priv = priv;
 602
 603         if (sess_priv->roc_se_ctx.auth_key != NULL)
 604                 plt_free(sess_priv->roc_se_ctx.auth_key);
 605
 606         memset(priv, 0, cnxk_cpt_sym_session_get_size(NULL));
 607
 608         pool = rte_mempool_from_obj(priv);
 609
 610         set_sym_session_private_data(sess, driver_id, NULL);
 611
 612         rte_mempool_put(pool, priv);
 613 }
 614
 615 void
 616 cnxk_cpt_sym_session_clear(struct rte_cryptodev *dev,
 617                            struct rte_cryptodev_sym_session *sess)
 618 {
 619         return sym_session_clear(dev->driver_id, sess);
 620 }
 621
 622 unsigned int
 623 cnxk_ae_session_size_get(struct rte_cryptodev *dev __rte_unused)
 624 {
 625         return sizeof(struct cnxk_ae_sess);
 626 }
 627
 628 void
 629 cnxk_ae_session_clear(struct rte_cryptodev *dev,
 630                       struct rte_cryptodev_asym_session *sess)
 631 {
 632         struct rte_mempool *sess_mp;
 633         struct cnxk_ae_sess *priv;
 634
 635         priv = get_asym_session_private_data(sess, dev->driver_id);
 636         if (priv == NULL)
 637                 return;
 638
 639         /* Free resources allocated in session_cfg */
 640         cnxk_ae_free_session_parameters(priv);
 641
 642         /* Reset and free object back to pool */
 643         memset(priv, 0, cnxk_ae_session_size_get(dev));
 644         sess_mp = rte_mempool_from_obj(priv);
 645         set_asym_session_private_data(sess, dev->driver_id, NULL);
 646         rte_mempool_put(sess_mp, priv);
 647 }
 648
 649 int
 650 cnxk_ae_session_cfg(struct rte_cryptodev *dev,
 651                     struct rte_crypto_asym_xform *xform,
 652                     struct rte_cryptodev_asym_session *sess,
 653                     struct rte_mempool *pool)
 654 {
 655         struct cnxk_cpt_vf *vf = dev->data->dev_private;
 656         struct roc_cpt *roc_cpt = &vf->cpt;
 657         struct cnxk_ae_sess *priv;
 658         union cpt_inst_w7 w7;
 659         int ret;
 660
 661         if (rte_mempool_get(pool, (void **)&priv))
 662                 return -ENOMEM;
 663
 664         memset(priv, 0, sizeof(struct cnxk_ae_sess));
 665
 666         ret = cnxk_ae_fill_session_parameters(priv, xform);
 667         if (ret) {
 668                 rte_mempool_put(pool, priv);
 669                 return ret;
 670         }
 671
 672         w7.u64 = 0;
 673         w7.s.egrp = roc_cpt->eng_grp[CPT_ENG_TYPE_AE];
 674         priv->cpt_inst_w7 = w7.u64;
 675         priv->cnxk_fpm_iova = vf->cnxk_fpm_iova;
 676         priv->ec_grp = vf->ec_grp;
 677         set_asym_session_private_data(sess, dev->driver_id, priv);
 678
 679         return 0;
 680 }