drivers/crypto/octeontx2/otx2_cryptodev_ops.c

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright (C) 2019 Marvell International Ltd.
   3  */
   4
   5 #include <unistd.h>
   6
   7 #include <rte_cryptodev_pmd.h>
   8 #include <rte_errno.h>
   9 #include <rte_ethdev.h>
  10
  11 #include "otx2_cryptodev.h"
  12 #include "otx2_cryptodev_capabilities.h"
  13 #include "otx2_cryptodev_hw_access.h"
  14 #include "otx2_cryptodev_mbox.h"
  15 #include "otx2_cryptodev_ops.h"
  16 #include "otx2_cryptodev_ops_helper.h"
  17 #include "otx2_ipsec_po_ops.h"
  18 #include "otx2_mbox.h"
  19 #include "otx2_sec_idev.h"
  20 #include "otx2_security.h"
  21
  22 #include "cpt_hw_types.h"
  23 #include "cpt_pmd_logs.h"
  24 #include "cpt_pmd_ops_helper.h"
  25 #include "cpt_ucode.h"
  26 #include "cpt_ucode_asym.h"
  27
  28 #define METABUF_POOL_CACHE_SIZE 512
  29
  30 static uint64_t otx2_fpm_iova[CPT_EC_ID_PMAX];
  31
  32 /* Forward declarations */
  33
  34 static int
  35 otx2_cpt_queue_pair_release(struct rte_cryptodev *dev, uint16_t qp_id);
  36
  37 static void
  38 qp_memzone_name_get(char *name, int size, int dev_id, int qp_id)
  39 {
  40         snprintf(name, size, "otx2_cpt_lf_mem_%u:%u", dev_id, qp_id);
  41 }
  42
  43 static int
  44 otx2_cpt_metabuf_mempool_create(const struct rte_cryptodev *dev,
  45                                 struct otx2_cpt_qp *qp, uint8_t qp_id,
  46                                 int nb_elements)
  47 {
  48         char mempool_name[RTE_MEMPOOL_NAMESIZE];
  49         struct cpt_qp_meta_info *meta_info;
  50         struct rte_mempool *pool;
  51         int ret, max_mlen;
  52         int asym_mlen = 0;
  53         int lb_mlen = 0;
  54         int sg_mlen = 0;
  55
  56         if (dev->feature_flags & RTE_CRYPTODEV_FF_SYMMETRIC_CRYPTO) {
  57
  58                 /* Get meta len for scatter gather mode */
  59                 sg_mlen = cpt_pmd_ops_helper_get_mlen_sg_mode();
  60
  61                 /* Extra 32B saved for future considerations */
  62                 sg_mlen += 4 * sizeof(uint64_t);
  63
  64                 /* Get meta len for linear buffer (direct) mode */
  65                 lb_mlen = cpt_pmd_ops_helper_get_mlen_direct_mode();
  66
  67                 /* Extra 32B saved for future considerations */
  68                 lb_mlen += 4 * sizeof(uint64_t);
  69         }
  70
  71         if (dev->feature_flags & RTE_CRYPTODEV_FF_ASYMMETRIC_CRYPTO) {
  72
  73                 /* Get meta len required for asymmetric operations */
  74                 asym_mlen = cpt_pmd_ops_helper_asym_get_mlen();
  75         }
  76
  77         /*
  78          * Check max requirement for meta buffer to
  79          * support crypto op of any type (sym/asym).
  80          */
  81         max_mlen = RTE_MAX(RTE_MAX(lb_mlen, sg_mlen), asym_mlen);
  82
  83         /* Allocate mempool */
  84
  85         snprintf(mempool_name, RTE_MEMPOOL_NAMESIZE, "otx2_cpt_mb_%u:%u",
  86                  dev->data->dev_id, qp_id);
  87
  88         pool = rte_mempool_create_empty(mempool_name, nb_elements, max_mlen,
  89                                         METABUF_POOL_CACHE_SIZE, 0,
  90                                         rte_socket_id(), 0);
  91
  92         if (pool == NULL) {
  93                 CPT_LOG_ERR("Could not create mempool for metabuf");
  94                 return rte_errno;
  95         }
  96
  97         ret = rte_mempool_set_ops_byname(pool, RTE_MBUF_DEFAULT_MEMPOOL_OPS,
  98                                          NULL);
  99         if (ret) {
 100                 CPT_LOG_ERR("Could not set mempool ops");
 101                 goto mempool_free;
 102         }
 103
 104         ret = rte_mempool_populate_default(pool);
 105         if (ret <= 0) {
 106                 CPT_LOG_ERR("Could not populate metabuf pool");
 107                 goto mempool_free;
 108         }
 109
 110         meta_info = &qp->meta_info;
 111
 112         meta_info->pool = pool;
 113         meta_info->lb_mlen = lb_mlen;
 114         meta_info->sg_mlen = sg_mlen;
 115
 116         return 0;
 117
 118 mempool_free:
 119         rte_mempool_free(pool);
 120         return ret;
 121 }
 122
 123 static void
 124 otx2_cpt_metabuf_mempool_destroy(struct otx2_cpt_qp *qp)
 125 {
 126         struct cpt_qp_meta_info *meta_info = &qp->meta_info;
 127
 128         rte_mempool_free(meta_info->pool);
 129
 130         meta_info->pool = NULL;
 131         meta_info->lb_mlen = 0;
 132         meta_info->sg_mlen = 0;
 133 }
 134
 135 static int
 136 otx2_cpt_qp_inline_cfg(const struct rte_cryptodev *dev, struct otx2_cpt_qp *qp)
 137 {
 138         static rte_atomic16_t port_offset = RTE_ATOMIC16_INIT(-1);
 139         uint16_t port_id, nb_ethport = rte_eth_dev_count_avail();
 140         int i, ret;
 141
 142         for (i = 0; i < nb_ethport; i++) {
 143                 port_id = rte_atomic16_add_return(&port_offset, 1) % nb_ethport;
 144                 if (otx2_eth_dev_is_sec_capable(&rte_eth_devices[port_id]))
 145                         break;
 146         }
 147
 148         if (i >= nb_ethport)
 149                 return 0;
 150
 151         ret = otx2_cpt_qp_ethdev_bind(dev, qp, port_id);
 152         if (ret)
 153                 return ret;
 154
 155         /* Publish inline Tx QP to eth dev security */
 156         ret = otx2_sec_idev_tx_cpt_qp_add(port_id, qp);
 157         if (ret)
 158                 return ret;
 159
 160         return 0;
 161 }
 162
 163 static struct otx2_cpt_qp *
 164 otx2_cpt_qp_create(const struct rte_cryptodev *dev, uint16_t qp_id,
 165                    uint8_t group)
 166 {
 167         struct otx2_cpt_vf *vf = dev->data->dev_private;
 168         uint64_t pg_sz = sysconf(_SC_PAGESIZE);
 169         const struct rte_memzone *lf_mem;
 170         uint32_t len, iq_len, size_div40;
 171         char name[RTE_MEMZONE_NAMESIZE];
 172         uint64_t used_len, iova;
 173         struct otx2_cpt_qp *qp;
 174         uint64_t lmtline;
 175         uint8_t *va;
 176         int ret;
 177
 178         /* Allocate queue pair */
 179         qp = rte_zmalloc_socket("OCTEON TX2 Crypto PMD Queue Pair", sizeof(*qp),
 180                                 OTX2_ALIGN, 0);
 181         if (qp == NULL) {
 182                 CPT_LOG_ERR("Could not allocate queue pair");
 183                 return NULL;
 184         }
 185
 186         iq_len = OTX2_CPT_IQ_LEN;
 187
 188         /*
 189          * Queue size must be a multiple of 40 and effective queue size to
 190          * software is (size_div40 - 1) * 40
 191          */
 192         size_div40 = (iq_len + 40 - 1) / 40 + 1;
 193
 194         /* For pending queue */
 195         len = iq_len * RTE_ALIGN(sizeof(struct rid), 8);
 196
 197         /* Space for instruction group memory */
 198         len += size_div40 * 16;
 199
 200         /* So that instruction queues start as pg size aligned */
 201         len = RTE_ALIGN(len, pg_sz);
 202
 203         /* For instruction queues */
 204         len += OTX2_CPT_IQ_LEN * sizeof(union cpt_inst_s);
 205
 206         /* Wastage after instruction queues */
 207         len = RTE_ALIGN(len, pg_sz);
 208
 209         qp_memzone_name_get(name, RTE_MEMZONE_NAMESIZE, dev->data->dev_id,
 210                             qp_id);
 211
 212         lf_mem = rte_memzone_reserve_aligned(name, len, vf->otx2_dev.node,
 213                         RTE_MEMZONE_SIZE_HINT_ONLY | RTE_MEMZONE_256MB,
 214                         RTE_CACHE_LINE_SIZE);
 215         if (lf_mem == NULL) {
 216                 CPT_LOG_ERR("Could not allocate reserved memzone");
 217                 goto qp_free;
 218         }
 219
 220         va = lf_mem->addr;
 221         iova = lf_mem->iova;
 222
 223         memset(va, 0, len);
 224
 225         ret = otx2_cpt_metabuf_mempool_create(dev, qp, qp_id, iq_len);
 226         if (ret) {
 227                 CPT_LOG_ERR("Could not create mempool for metabuf");
 228                 goto lf_mem_free;
 229         }
 230
 231         /* Initialize pending queue */
 232         qp->pend_q.rid_queue = (struct rid *)va;
 233         qp->pend_q.enq_tail = 0;
 234         qp->pend_q.deq_head = 0;
 235         qp->pend_q.pending_count = 0;
 236
 237         used_len = iq_len * RTE_ALIGN(sizeof(struct rid), 8);
 238         used_len += size_div40 * 16;
 239         used_len = RTE_ALIGN(used_len, pg_sz);
 240         iova += used_len;
 241
 242         qp->iq_dma_addr = iova;
 243         qp->id = qp_id;
 244         qp->base = OTX2_CPT_LF_BAR2(vf, qp_id);
 245
 246         lmtline = vf->otx2_dev.bar2 +
 247                   (RVU_BLOCK_ADDR_LMT << 20 | qp_id << 12) +
 248                   OTX2_LMT_LF_LMTLINE(0);
 249
 250         qp->lmtline = (void *)lmtline;
 251
 252         qp->lf_nq_reg = qp->base + OTX2_CPT_LF_NQ(0);
 253
 254         ret = otx2_sec_idev_tx_cpt_qp_remove(qp);
 255         if (ret && (ret != -ENOENT)) {
 256                 CPT_LOG_ERR("Could not delete inline configuration");
 257                 goto mempool_destroy;
 258         }
 259
 260         otx2_cpt_iq_disable(qp);
 261
 262         ret = otx2_cpt_qp_inline_cfg(dev, qp);
 263         if (ret) {
 264                 CPT_LOG_ERR("Could not configure queue for inline IPsec");
 265                 goto mempool_destroy;
 266         }
 267
 268         ret = otx2_cpt_iq_enable(dev, qp, group, OTX2_CPT_QUEUE_HI_PRIO,
 269                                  size_div40);
 270         if (ret) {
 271                 CPT_LOG_ERR("Could not enable instruction queue");
 272                 goto mempool_destroy;
 273         }
 274
 275         return qp;
 276
 277 mempool_destroy:
 278         otx2_cpt_metabuf_mempool_destroy(qp);
 279 lf_mem_free:
 280         rte_memzone_free(lf_mem);
 281 qp_free:
 282         rte_free(qp);
 283         return NULL;
 284 }
 285
 286 static int
 287 otx2_cpt_qp_destroy(const struct rte_cryptodev *dev, struct otx2_cpt_qp *qp)
 288 {
 289         const struct rte_memzone *lf_mem;
 290         char name[RTE_MEMZONE_NAMESIZE];
 291         int ret;
 292
 293         ret = otx2_sec_idev_tx_cpt_qp_remove(qp);
 294         if (ret && (ret != -ENOENT)) {
 295                 CPT_LOG_ERR("Could not delete inline configuration");
 296                 return ret;
 297         }
 298
 299         otx2_cpt_iq_disable(qp);
 300
 301         otx2_cpt_metabuf_mempool_destroy(qp);
 302
 303         qp_memzone_name_get(name, RTE_MEMZONE_NAMESIZE, dev->data->dev_id,
 304                             qp->id);
 305
 306         lf_mem = rte_memzone_lookup(name);
 307
 308         ret = rte_memzone_free(lf_mem);
 309         if (ret)
 310                 return ret;
 311
 312         rte_free(qp);
 313
 314         return 0;
 315 }
 316
 317 static int
 318 sym_xform_verify(struct rte_crypto_sym_xform *xform)
 319 {
 320         if (xform->next) {
 321                 if (xform->type == RTE_CRYPTO_SYM_XFORM_AUTH &&
 322                     xform->next->type == RTE_CRYPTO_SYM_XFORM_CIPHER &&
 323                     xform->next->cipher.op == RTE_CRYPTO_CIPHER_OP_ENCRYPT)
 324                         return -ENOTSUP;
 325
 326                 if (xform->type == RTE_CRYPTO_SYM_XFORM_CIPHER &&
 327                     xform->cipher.op == RTE_CRYPTO_CIPHER_OP_DECRYPT &&
 328                     xform->next->type == RTE_CRYPTO_SYM_XFORM_AUTH)
 329                         return -ENOTSUP;
 330
 331                 if (xform->type == RTE_CRYPTO_SYM_XFORM_CIPHER &&
 332                     xform->cipher.algo == RTE_CRYPTO_CIPHER_3DES_CBC &&
 333                     xform->next->type == RTE_CRYPTO_SYM_XFORM_AUTH &&
 334                     xform->next->auth.algo == RTE_CRYPTO_AUTH_SHA1)
 335                         return -ENOTSUP;
 336
 337                 if (xform->type == RTE_CRYPTO_SYM_XFORM_AUTH &&
 338                     xform->auth.algo == RTE_CRYPTO_AUTH_SHA1 &&
 339                     xform->next->type == RTE_CRYPTO_SYM_XFORM_CIPHER &&
 340                     xform->next->cipher.algo == RTE_CRYPTO_CIPHER_3DES_CBC)
 341                         return -ENOTSUP;
 342
 343         } else {
 344                 if (xform->type == RTE_CRYPTO_SYM_XFORM_AUTH &&
 345                     xform->auth.algo == RTE_CRYPTO_AUTH_NULL &&
 346                     xform->auth.op == RTE_CRYPTO_AUTH_OP_VERIFY)
 347                         return -ENOTSUP;
 348         }
 349         return 0;
 350 }
 351
 352 static int
 353 sym_session_configure(int driver_id, struct rte_crypto_sym_xform *xform,
 354                       struct rte_cryptodev_sym_session *sess,
 355                       struct rte_mempool *pool)
 356 {
 357         struct rte_crypto_sym_xform *temp_xform = xform;
 358         struct cpt_sess_misc *misc;
 359         vq_cmd_word3_t vq_cmd_w3;
 360         void *priv;
 361         int ret;
 362
 363         ret = sym_xform_verify(xform);
 364         if (unlikely(ret))
 365                 return ret;
 366
 367         if (unlikely(rte_mempool_get(pool, &priv))) {
 368                 CPT_LOG_ERR("Could not allocate session private data");
 369                 return -ENOMEM;
 370         }
 371
 372         memset(priv, 0, sizeof(struct cpt_sess_misc) +
 373                         offsetof(struct cpt_ctx, mc_ctx));
 374
 375         misc = priv;
 376
 377         for ( ; xform != NULL; xform = xform->next) {
 378                 switch (xform->type) {
 379                 case RTE_CRYPTO_SYM_XFORM_AEAD:
 380                         ret = fill_sess_aead(xform, misc);
 381                         break;
 382                 case RTE_CRYPTO_SYM_XFORM_CIPHER:
 383                         ret = fill_sess_cipher(xform, misc);
 384                         break;
 385                 case RTE_CRYPTO_SYM_XFORM_AUTH:
 386                         if (xform->auth.algo == RTE_CRYPTO_AUTH_AES_GMAC)
 387                                 ret = fill_sess_gmac(xform, misc);
 388                         else
 389                                 ret = fill_sess_auth(xform, misc);
 390                         break;
 391                 default:
 392                         ret = -1;
 393                 }
 394
 395                 if (ret)
 396                         goto priv_put;
 397         }
 398
 399         if ((GET_SESS_FC_TYPE(misc) == HASH_HMAC) &&
 400                         cpt_mac_len_verify(&temp_xform->auth)) {
 401                 CPT_LOG_ERR("MAC length is not supported");
 402                 ret = -ENOTSUP;
 403                 goto priv_put;
 404         }
 405
 406         set_sym_session_private_data(sess, driver_id, misc);
 407
 408         misc->ctx_dma_addr = rte_mempool_virt2iova(misc) +
 409                              sizeof(struct cpt_sess_misc);
 410
 411         vq_cmd_w3.u64 = 0;
 412         vq_cmd_w3.s.cptr = misc->ctx_dma_addr + offsetof(struct cpt_ctx,
 413                                                          mc_ctx);
 414
 415         /*
 416          * IE engines support IPsec operations
 417          * SE engines support IPsec operations, Chacha-Poly and
 418          * Air-Crypto operations
 419          */
 420         if (misc->zsk_flag || misc->chacha_poly)
 421                 vq_cmd_w3.s.grp = OTX2_CPT_EGRP_SE;
 422         else
 423                 vq_cmd_w3.s.grp = OTX2_CPT_EGRP_SE_IE;
 424
 425         misc->cpt_inst_w7 = vq_cmd_w3.u64;
 426
 427         return 0;
 428
 429 priv_put:
 430         rte_mempool_put(pool, priv);
 431
 432         return -ENOTSUP;
 433 }
 434
 435 static __rte_always_inline void __rte_hot
 436 otx2_ca_enqueue_req(const struct otx2_cpt_qp *qp,
 437                     struct cpt_request_info *req,
 438                     void *lmtline,
 439                     uint64_t cpt_inst_w7)
 440 {
 441         union cpt_inst_s inst;
 442         uint64_t lmt_status;
 443
 444         inst.u[0] = 0;
 445         inst.s9x.res_addr = req->comp_baddr;
 446         inst.u[2] = 0;
 447         inst.u[3] = 0;
 448
 449         inst.s9x.ei0 = req->ist.ei0;
 450         inst.s9x.ei1 = req->ist.ei1;
 451         inst.s9x.ei2 = req->ist.ei2;
 452         inst.s9x.ei3 = cpt_inst_w7;
 453
 454         inst.s9x.qord = 1;
 455         inst.s9x.grp = qp->ev.queue_id;
 456         inst.s9x.tt = qp->ev.sched_type;
 457         inst.s9x.tag = (RTE_EVENT_TYPE_CRYPTODEV << 28) |
 458                         qp->ev.flow_id;
 459         inst.s9x.wq_ptr = (uint64_t)req >> 3;
 460         req->qp = qp;
 461
 462         do {
 463                 /* Copy CPT command to LMTLINE */
 464                 memcpy(lmtline, &inst, sizeof(inst));
 465
 466                 /*
 467                  * Make sure compiler does not reorder memcpy and ldeor.
 468                  * LMTST transactions are always flushed from the write
 469                  * buffer immediately, a DMB is not required to push out
 470                  * LMTSTs.
 471                  */
 472                 rte_io_wmb();
 473                 lmt_status = otx2_lmt_submit(qp->lf_nq_reg);
 474         } while (lmt_status == 0);
 475
 476 }
 477
 478 static __rte_always_inline int32_t __rte_hot
 479 otx2_cpt_enqueue_req(const struct otx2_cpt_qp *qp,
 480                      struct pending_queue *pend_q,
 481                      struct cpt_request_info *req,
 482                      uint64_t cpt_inst_w7)
 483 {
 484         void *lmtline = qp->lmtline;
 485         union cpt_inst_s inst;
 486         uint64_t lmt_status;
 487
 488         if (qp->ca_enable) {
 489                 otx2_ca_enqueue_req(qp, req, lmtline, cpt_inst_w7);
 490                 return 0;
 491         }
 492
 493         if (unlikely(pend_q->pending_count >= OTX2_CPT_DEFAULT_CMD_QLEN))
 494                 return -EAGAIN;
 495
 496         inst.u[0] = 0;
 497         inst.s9x.res_addr = req->comp_baddr;
 498         inst.u[2] = 0;
 499         inst.u[3] = 0;
 500
 501         inst.s9x.ei0 = req->ist.ei0;
 502         inst.s9x.ei1 = req->ist.ei1;
 503         inst.s9x.ei2 = req->ist.ei2;
 504         inst.s9x.ei3 = cpt_inst_w7;
 505
 506         req->time_out = rte_get_timer_cycles() +
 507                         DEFAULT_COMMAND_TIMEOUT * rte_get_timer_hz();
 508
 509         do {
 510                 /* Copy CPT command to LMTLINE */
 511                 memcpy(lmtline, &inst, sizeof(inst));
 512
 513                 /*
 514                  * Make sure compiler does not reorder memcpy and ldeor.
 515                  * LMTST transactions are always flushed from the write
 516                  * buffer immediately, a DMB is not required to push out
 517                  * LMTSTs.
 518                  */
 519                 rte_io_wmb();
 520                 lmt_status = otx2_lmt_submit(qp->lf_nq_reg);
 521         } while (lmt_status == 0);
 522
 523         pend_q->rid_queue[pend_q->enq_tail].rid = (uintptr_t)req;
 524
 525         /* We will use soft queue length here to limit requests */
 526         MOD_INC(pend_q->enq_tail, OTX2_CPT_DEFAULT_CMD_QLEN);
 527         pend_q->pending_count += 1;
 528
 529         return 0;
 530 }
 531
 532 static __rte_always_inline int32_t __rte_hot
 533 otx2_cpt_enqueue_asym(struct otx2_cpt_qp *qp,
 534                       struct rte_crypto_op *op,
 535                       struct pending_queue *pend_q)
 536 {
 537         struct cpt_qp_meta_info *minfo = &qp->meta_info;
 538         struct rte_crypto_asym_op *asym_op = op->asym;
 539         struct asym_op_params params = {0};
 540         struct cpt_asym_sess_misc *sess;
 541         uintptr_t *cop;
 542         void *mdata;
 543         int ret;
 544
 545         if (unlikely(rte_mempool_get(minfo->pool, &mdata) < 0)) {
 546                 CPT_LOG_ERR("Could not allocate meta buffer for request");
 547                 return -ENOMEM;
 548         }
 549
 550         sess = get_asym_session_private_data(asym_op->session,
 551                                              otx2_cryptodev_driver_id);
 552
 553         /* Store IO address of the mdata to meta_buf */
 554         params.meta_buf = rte_mempool_virt2iova(mdata);
 555
 556         cop = mdata;
 557         cop[0] = (uintptr_t)mdata;
 558         cop[1] = (uintptr_t)op;
 559         cop[2] = cop[3] = 0ULL;
 560
 561         params.req = RTE_PTR_ADD(cop, 4 * sizeof(uintptr_t));
 562         params.req->op = cop;
 563
 564         /* Adjust meta_buf to point to end of cpt_request_info structure */
 565         params.meta_buf += (4 * sizeof(uintptr_t)) +
 566                             sizeof(struct cpt_request_info);
 567         switch (sess->xfrm_type) {
 568         case RTE_CRYPTO_ASYM_XFORM_MODEX:
 569                 ret = cpt_modex_prep(&params, &sess->mod_ctx);
 570                 if (unlikely(ret))
 571                         goto req_fail;
 572                 break;
 573         case RTE_CRYPTO_ASYM_XFORM_RSA:
 574                 ret = cpt_enqueue_rsa_op(op, &params, sess);
 575                 if (unlikely(ret))
 576                         goto req_fail;
 577                 break;
 578         case RTE_CRYPTO_ASYM_XFORM_ECDSA:
 579                 ret = cpt_enqueue_ecdsa_op(op, &params, sess, otx2_fpm_iova);
 580                 if (unlikely(ret))
 581                         goto req_fail;
 582                 break;
 583         case RTE_CRYPTO_ASYM_XFORM_ECPM:
 584                 ret = cpt_ecpm_prep(&asym_op->ecpm, &params,
 585                                     sess->ec_ctx.curveid);
 586                 if (unlikely(ret))
 587                         goto req_fail;
 588                 break;
 589         default:
 590                 op->status = RTE_CRYPTO_OP_STATUS_INVALID_ARGS;
 591                 ret = -EINVAL;
 592                 goto req_fail;
 593         }
 594
 595         ret = otx2_cpt_enqueue_req(qp, pend_q, params.req, sess->cpt_inst_w7);
 596
 597         if (unlikely(ret)) {
 598                 CPT_LOG_DP_ERR("Could not enqueue crypto req");
 599                 goto req_fail;
 600         }
 601
 602         return 0;
 603
 604 req_fail:
 605         free_op_meta(mdata, minfo->pool);
 606
 607         return ret;
 608 }
 609
 610 static __rte_always_inline int __rte_hot
 611 otx2_cpt_enqueue_sym(struct otx2_cpt_qp *qp, struct rte_crypto_op *op,
 612                      struct pending_queue *pend_q)
 613 {
 614         struct rte_crypto_sym_op *sym_op = op->sym;
 615         struct cpt_request_info *req;
 616         struct cpt_sess_misc *sess;
 617         uint64_t cpt_op;
 618         void *mdata;
 619         int ret;
 620
 621         sess = get_sym_session_private_data(sym_op->session,
 622                                             otx2_cryptodev_driver_id);
 623
 624         cpt_op = sess->cpt_op;
 625
 626         if (cpt_op & CPT_OP_CIPHER_MASK)
 627                 ret = fill_fc_params(op, sess, &qp->meta_info, &mdata,
 628                                      (void **)&req);
 629         else
 630                 ret = fill_digest_params(op, sess, &qp->meta_info, &mdata,
 631                                          (void **)&req);
 632
 633         if (unlikely(ret)) {
 634                 CPT_LOG_DP_ERR("Crypto req : op %p, cpt_op 0x%x ret 0x%x",
 635                                 op, (unsigned int)cpt_op, ret);
 636                 return ret;
 637         }
 638
 639         ret = otx2_cpt_enqueue_req(qp, pend_q, req, sess->cpt_inst_w7);
 640
 641         if (unlikely(ret)) {
 642                 /* Free buffer allocated by fill params routines */
 643                 free_op_meta(mdata, qp->meta_info.pool);
 644         }
 645
 646         return ret;
 647 }
 648
 649 static __rte_always_inline int __rte_hot
 650 otx2_cpt_enqueue_sec(struct otx2_cpt_qp *qp, struct rte_crypto_op *op,
 651                      struct pending_queue *pend_q)
 652 {
 653         struct otx2_sec_session_ipsec_lp *sess;
 654         struct otx2_ipsec_po_sa_ctl *ctl_wrd;
 655         struct otx2_sec_session *priv;
 656         struct cpt_request_info *req;
 657         int ret;
 658
 659         priv = get_sec_session_private_data(op->sym->sec_session);
 660         sess = &priv->ipsec.lp;
 661
 662         ctl_wrd = &sess->in_sa.ctl;
 663
 664         if (ctl_wrd->direction == OTX2_IPSEC_PO_SA_DIRECTION_OUTBOUND)
 665                 ret = process_outb_sa(op, sess, &qp->meta_info, (void **)&req);
 666         else
 667                 ret = process_inb_sa(op, sess, &qp->meta_info, (void **)&req);
 668
 669         if (unlikely(ret)) {
 670                 otx2_err("Crypto req : op %p, ret 0x%x", op, ret);
 671                 return ret;
 672         }
 673
 674         ret = otx2_cpt_enqueue_req(qp, pend_q, req, sess->cpt_inst_w7);
 675
 676         return ret;
 677 }
 678
 679 static __rte_always_inline int __rte_hot
 680 otx2_cpt_enqueue_sym_sessless(struct otx2_cpt_qp *qp, struct rte_crypto_op *op,
 681                               struct pending_queue *pend_q)
 682 {
 683         const int driver_id = otx2_cryptodev_driver_id;
 684         struct rte_crypto_sym_op *sym_op = op->sym;
 685         struct rte_cryptodev_sym_session *sess;
 686         int ret;
 687
 688         /* Create temporary session */
 689         sess = rte_cryptodev_sym_session_create(qp->sess_mp);
 690         if (sess == NULL)
 691                 return -ENOMEM;
 692
 693         ret = sym_session_configure(driver_id, sym_op->xform, sess,
 694                                     qp->sess_mp_priv);
 695         if (ret)
 696                 goto sess_put;
 697
 698         sym_op->session = sess;
 699
 700         ret = otx2_cpt_enqueue_sym(qp, op, pend_q);
 701
 702         if (unlikely(ret))
 703                 goto priv_put;
 704
 705         return 0;
 706
 707 priv_put:
 708         sym_session_clear(driver_id, sess);
 709 sess_put:
 710         rte_mempool_put(qp->sess_mp, sess);
 711         return ret;
 712 }
 713
 714 static uint16_t
 715 otx2_cpt_enqueue_burst(void *qptr, struct rte_crypto_op **ops, uint16_t nb_ops)
 716 {
 717         uint16_t nb_allowed, count = 0;
 718         struct otx2_cpt_qp *qp = qptr;
 719         struct pending_queue *pend_q;
 720         struct rte_crypto_op *op;
 721         int ret;
 722
 723         pend_q = &qp->pend_q;
 724
 725         nb_allowed = OTX2_CPT_DEFAULT_CMD_QLEN - pend_q->pending_count;
 726         if (nb_ops > nb_allowed)
 727                 nb_ops = nb_allowed;
 728
 729         for (count = 0; count < nb_ops; count++) {
 730                 op = ops[count];
 731                 if (op->type == RTE_CRYPTO_OP_TYPE_SYMMETRIC) {
 732                         if (op->sess_type == RTE_CRYPTO_OP_SECURITY_SESSION)
 733                                 ret = otx2_cpt_enqueue_sec(qp, op, pend_q);
 734                         else if (op->sess_type == RTE_CRYPTO_OP_WITH_SESSION)
 735                                 ret = otx2_cpt_enqueue_sym(qp, op, pend_q);
 736                         else
 737                                 ret = otx2_cpt_enqueue_sym_sessless(qp, op,
 738                                                                     pend_q);
 739                 } else if (op->type == RTE_CRYPTO_OP_TYPE_ASYMMETRIC) {
 740                         if (op->sess_type == RTE_CRYPTO_OP_WITH_SESSION)
 741                                 ret = otx2_cpt_enqueue_asym(qp, op, pend_q);
 742                         else
 743                                 break;
 744                 } else
 745                         break;
 746
 747                 if (unlikely(ret))
 748                         break;
 749         }
 750
 751         return count;
 752 }
 753
 754 static __rte_always_inline void
 755 otx2_cpt_asym_rsa_op(struct rte_crypto_op *cop, struct cpt_request_info *req,
 756                      struct rte_crypto_rsa_xform *rsa_ctx)
 757 {
 758         struct rte_crypto_rsa_op_param *rsa = &cop->asym->rsa;
 759
 760         switch (rsa->op_type) {
 761         case RTE_CRYPTO_ASYM_OP_ENCRYPT:
 762                 rsa->cipher.length = rsa_ctx->n.length;
 763                 memcpy(rsa->cipher.data, req->rptr, rsa->cipher.length);
 764                 break;
 765         case RTE_CRYPTO_ASYM_OP_DECRYPT:
 766                 if (rsa->pad == RTE_CRYPTO_RSA_PADDING_NONE) {
 767                         rsa->message.length = rsa_ctx->n.length;
 768                         memcpy(rsa->message.data, req->rptr,
 769                                rsa->message.length);
 770                 } else {
 771                         /* Get length of decrypted output */
 772                         rsa->message.length = rte_cpu_to_be_16
 773                                              (*((uint16_t *)req->rptr));
 774                         /*
 775                          * Offset output data pointer by length field
 776                          * (2 bytes) and copy decrypted data.
 777                          */
 778                         memcpy(rsa->message.data, req->rptr + 2,
 779                                rsa->message.length);
 780                 }
 781                 break;
 782         case RTE_CRYPTO_ASYM_OP_SIGN:
 783                 rsa->sign.length = rsa_ctx->n.length;
 784                 memcpy(rsa->sign.data, req->rptr, rsa->sign.length);
 785                 break;
 786         case RTE_CRYPTO_ASYM_OP_VERIFY:
 787                 if (rsa->pad == RTE_CRYPTO_RSA_PADDING_NONE) {
 788                         rsa->sign.length = rsa_ctx->n.length;
 789                         memcpy(rsa->sign.data, req->rptr, rsa->sign.length);
 790                 } else {
 791                         /* Get length of signed output */
 792                         rsa->sign.length = rte_cpu_to_be_16
 793                                           (*((uint16_t *)req->rptr));
 794                         /*
 795                          * Offset output data pointer by length field
 796                          * (2 bytes) and copy signed data.
 797                          */
 798                         memcpy(rsa->sign.data, req->rptr + 2,
 799                                rsa->sign.length);
 800                 }
 801                 if (memcmp(rsa->sign.data, rsa->message.data,
 802                            rsa->message.length)) {
 803                         CPT_LOG_DP_ERR("RSA verification failed");
 804                         cop->status = RTE_CRYPTO_OP_STATUS_ERROR;
 805                 }
 806                 break;
 807         default:
 808                 CPT_LOG_DP_DEBUG("Invalid RSA operation type");
 809                 cop->status = RTE_CRYPTO_OP_STATUS_INVALID_ARGS;
 810                 break;
 811         }
 812 }
 813
 814 static __rte_always_inline void
 815 otx2_cpt_asym_dequeue_ecdsa_op(struct rte_crypto_ecdsa_op_param *ecdsa,
 816                                struct cpt_request_info *req,
 817                                struct cpt_asym_ec_ctx *ec)
 818 {
 819         int prime_len = ec_grp[ec->curveid].prime.length;
 820
 821         if (ecdsa->op_type == RTE_CRYPTO_ASYM_OP_VERIFY)
 822                 return;
 823
 824         /* Separate out sign r and s components */
 825         memcpy(ecdsa->r.data, req->rptr, prime_len);
 826         memcpy(ecdsa->s.data, req->rptr + RTE_ALIGN_CEIL(prime_len, 8),
 827                prime_len);
 828         ecdsa->r.length = prime_len;
 829         ecdsa->s.length = prime_len;
 830 }
 831
 832 static __rte_always_inline void
 833 otx2_cpt_asym_dequeue_ecpm_op(struct rte_crypto_ecpm_op_param *ecpm,
 834                              struct cpt_request_info *req,
 835                              struct cpt_asym_ec_ctx *ec)
 836 {
 837         int prime_len = ec_grp[ec->curveid].prime.length;
 838
 839         memcpy(ecpm->r.x.data, req->rptr, prime_len);
 840         memcpy(ecpm->r.y.data, req->rptr + RTE_ALIGN_CEIL(prime_len, 8),
 841                prime_len);
 842         ecpm->r.x.length = prime_len;
 843         ecpm->r.y.length = prime_len;
 844 }
 845
 846 static void
 847 otx2_cpt_asym_post_process(struct rte_crypto_op *cop,
 848                            struct cpt_request_info *req)
 849 {
 850         struct rte_crypto_asym_op *op = cop->asym;
 851         struct cpt_asym_sess_misc *sess;
 852
 853         sess = get_asym_session_private_data(op->session,
 854                                              otx2_cryptodev_driver_id);
 855
 856         switch (sess->xfrm_type) {
 857         case RTE_CRYPTO_ASYM_XFORM_RSA:
 858                 otx2_cpt_asym_rsa_op(cop, req, &sess->rsa_ctx);
 859                 break;
 860         case RTE_CRYPTO_ASYM_XFORM_MODEX:
 861                 op->modex.result.length = sess->mod_ctx.modulus.length;
 862                 memcpy(op->modex.result.data, req->rptr,
 863                        op->modex.result.length);
 864                 break;
 865         case RTE_CRYPTO_ASYM_XFORM_ECDSA:
 866                 otx2_cpt_asym_dequeue_ecdsa_op(&op->ecdsa, req, &sess->ec_ctx);
 867                 break;
 868         case RTE_CRYPTO_ASYM_XFORM_ECPM:
 869                 otx2_cpt_asym_dequeue_ecpm_op(&op->ecpm, req, &sess->ec_ctx);
 870                 break;
 871         default:
 872                 CPT_LOG_DP_DEBUG("Invalid crypto xform type");
 873                 cop->status = RTE_CRYPTO_OP_STATUS_INVALID_ARGS;
 874                 break;
 875         }
 876 }
 877
 878 static void
 879 otx2_cpt_sec_post_process(struct rte_crypto_op *cop, uintptr_t *rsp)
 880 {
 881         struct cpt_request_info *req = (struct cpt_request_info *)rsp[2];
 882         vq_cmd_word0_t *word0 = (vq_cmd_word0_t *)&req->ist.ei0;
 883         struct rte_crypto_sym_op *sym_op = cop->sym;
 884         struct rte_mbuf *m = sym_op->m_src;
 885         struct rte_ipv6_hdr *ip6;
 886         struct rte_ipv4_hdr *ip;
 887         uint16_t m_len;
 888         int mdata_len;
 889         char *data;
 890
 891         mdata_len = (int)rsp[3];
 892         rte_pktmbuf_trim(m, mdata_len);
 893
 894         if (word0->s.opcode.major == OTX2_IPSEC_PO_PROCESS_IPSEC_INB) {
 895                 data = rte_pktmbuf_mtod(m, char *);
 896
 897                 if (rsp[4] == RTE_SECURITY_IPSEC_TUNNEL_IPV4) {
 898                         ip = (struct rte_ipv4_hdr *)(data +
 899                                 OTX2_IPSEC_PO_INB_RPTR_HDR);
 900                         m_len = rte_be_to_cpu_16(ip->total_length);
 901                 } else {
 902                         ip6 = (struct rte_ipv6_hdr *)(data +
 903                                 OTX2_IPSEC_PO_INB_RPTR_HDR);
 904                         m_len = rte_be_to_cpu_16(ip6->payload_len) +
 905                                 sizeof(struct rte_ipv6_hdr);
 906                 }
 907
 908                 m->data_len = m_len;
 909                 m->pkt_len = m_len;
 910                 m->data_off += OTX2_IPSEC_PO_INB_RPTR_HDR;
 911         }
 912 }
 913
 914 static inline void
 915 otx2_cpt_dequeue_post_process(struct otx2_cpt_qp *qp, struct rte_crypto_op *cop,
 916                               uintptr_t *rsp, uint8_t cc)
 917 {
 918         unsigned int sz;
 919
 920         if (cop->type == RTE_CRYPTO_OP_TYPE_SYMMETRIC) {
 921                 if (cop->sess_type == RTE_CRYPTO_OP_SECURITY_SESSION) {
 922                         if (likely(cc == OTX2_IPSEC_PO_CC_SUCCESS)) {
 923                                 otx2_cpt_sec_post_process(cop, rsp);
 924                                 cop->status = RTE_CRYPTO_OP_STATUS_SUCCESS;
 925                         } else
 926                                 cop->status = RTE_CRYPTO_OP_STATUS_ERROR;
 927
 928                         return;
 929                 }
 930
 931                 if (likely(cc == NO_ERR)) {
 932                         /* Verify authentication data if required */
 933                         if (unlikely(rsp[2]))
 934                                 compl_auth_verify(cop, (uint8_t *)rsp[2],
 935                                                  rsp[3]);
 936                         else
 937                                 cop->status = RTE_CRYPTO_OP_STATUS_SUCCESS;
 938                 } else {
 939                         if (cc == ERR_GC_ICV_MISCOMPARE)
 940                                 cop->status = RTE_CRYPTO_OP_STATUS_AUTH_FAILED;
 941                         else
 942                                 cop->status = RTE_CRYPTO_OP_STATUS_ERROR;
 943                 }
 944
 945                 if (unlikely(cop->sess_type == RTE_CRYPTO_OP_SESSIONLESS)) {
 946                         sym_session_clear(otx2_cryptodev_driver_id,
 947                                           cop->sym->session);
 948                         sz = rte_cryptodev_sym_get_existing_header_session_size(
 949                                         cop->sym->session);
 950                         memset(cop->sym->session, 0, sz);
 951                         rte_mempool_put(qp->sess_mp, cop->sym->session);
 952                         cop->sym->session = NULL;
 953                 }
 954         }
 955
 956         if (cop->type == RTE_CRYPTO_OP_TYPE_ASYMMETRIC) {
 957                 if (likely(cc == NO_ERR)) {
 958                         cop->status = RTE_CRYPTO_OP_STATUS_SUCCESS;
 959                         /*
 960                          * Pass cpt_req_info stored in metabuf during
 961                          * enqueue.
 962                          */
 963                         rsp = RTE_PTR_ADD(rsp, 4 * sizeof(uintptr_t));
 964                         otx2_cpt_asym_post_process(cop,
 965                                         (struct cpt_request_info *)rsp);
 966                 } else
 967                         cop->status = RTE_CRYPTO_OP_STATUS_ERROR;
 968         }
 969 }
 970
 971 static uint16_t
 972 otx2_cpt_dequeue_burst(void *qptr, struct rte_crypto_op **ops, uint16_t nb_ops)
 973 {
 974         int i, nb_pending, nb_completed;
 975         struct otx2_cpt_qp *qp = qptr;
 976         struct pending_queue *pend_q;
 977         struct cpt_request_info *req;
 978         struct rte_crypto_op *cop;
 979         uint8_t cc[nb_ops];
 980         struct rid *rid;
 981         uintptr_t *rsp;
 982         void *metabuf;
 983
 984         pend_q = &qp->pend_q;
 985
 986         nb_pending = pend_q->pending_count;
 987
 988         if (nb_ops > nb_pending)
 989                 nb_ops = nb_pending;
 990
 991         for (i = 0; i < nb_ops; i++) {
 992                 rid = &pend_q->rid_queue[pend_q->deq_head];
 993                 req = (struct cpt_request_info *)(rid->rid);
 994
 995                 cc[i] = otx2_cpt_compcode_get(req);
 996
 997                 if (unlikely(cc[i] == ERR_REQ_PENDING))
 998                         break;
 999
1000                 ops[i] = req->op;
1001
1002                 MOD_INC(pend_q->deq_head, OTX2_CPT_DEFAULT_CMD_QLEN);
1003                 pend_q->pending_count -= 1;
1004         }
1005
1006         nb_completed = i;
1007
1008         for (i = 0; i < nb_completed; i++) {
1009                 rsp = (void *)ops[i];
1010
1011                 metabuf = (void *)rsp[0];
1012                 cop = (void *)rsp[1];
1013
1014                 ops[i] = cop;
1015
1016                 otx2_cpt_dequeue_post_process(qp, cop, rsp, cc[i]);
1017
1018                 free_op_meta(metabuf, qp->meta_info.pool);
1019         }
1020
1021         return nb_completed;
1022 }
1023
1024 void
1025 otx2_cpt_set_enqdeq_fns(struct rte_cryptodev *dev)
1026 {
1027         dev->enqueue_burst = otx2_cpt_enqueue_burst;
1028         dev->dequeue_burst = otx2_cpt_dequeue_burst;
1029
1030         rte_mb();
1031 }
1032
1033 /* PMD ops */
1034
1035 static int
1036 otx2_cpt_dev_config(struct rte_cryptodev *dev,
1037                     struct rte_cryptodev_config *conf)
1038 {
1039         struct otx2_cpt_vf *vf = dev->data->dev_private;
1040         int ret;
1041
1042         if (conf->nb_queue_pairs > vf->max_queues) {
1043                 CPT_LOG_ERR("Invalid number of queue pairs requested");
1044                 return -EINVAL;
1045         }
1046
1047         dev->feature_flags &= ~conf->ff_disable;
1048
1049         if (dev->feature_flags & RTE_CRYPTODEV_FF_ASYMMETRIC_CRYPTO) {
1050                 /* Initialize shared FPM table */
1051                 ret = cpt_fpm_init(otx2_fpm_iova);
1052                 if (ret)
1053                         return ret;
1054         }
1055
1056         /* Unregister error interrupts */
1057         if (vf->err_intr_registered)
1058                 otx2_cpt_err_intr_unregister(dev);
1059
1060         /* Detach queues */
1061         if (vf->nb_queues) {
1062                 ret = otx2_cpt_queues_detach(dev);
1063                 if (ret) {
1064                         CPT_LOG_ERR("Could not detach CPT queues");
1065                         return ret;
1066                 }
1067         }
1068
1069         /* Attach queues */
1070         ret = otx2_cpt_queues_attach(dev, conf->nb_queue_pairs);
1071         if (ret) {
1072                 CPT_LOG_ERR("Could not attach CPT queues");
1073                 return -ENODEV;
1074         }
1075
1076         ret = otx2_cpt_msix_offsets_get(dev);
1077         if (ret) {
1078                 CPT_LOG_ERR("Could not get MSI-X offsets");
1079                 goto queues_detach;
1080         }
1081
1082         /* Register error interrupts */
1083         ret = otx2_cpt_err_intr_register(dev);
1084         if (ret) {
1085                 CPT_LOG_ERR("Could not register error interrupts");
1086                 goto queues_detach;
1087         }
1088
1089         ret = otx2_cpt_inline_init(dev);
1090         if (ret) {
1091                 CPT_LOG_ERR("Could not enable inline IPsec");
1092                 goto intr_unregister;
1093         }
1094
1095         otx2_cpt_set_enqdeq_fns(dev);
1096
1097         return 0;
1098
1099 intr_unregister:
1100         otx2_cpt_err_intr_unregister(dev);
1101 queues_detach:
1102         otx2_cpt_queues_detach(dev);
1103         return ret;
1104 }
1105
1106 static int
1107 otx2_cpt_dev_start(struct rte_cryptodev *dev)
1108 {
1109         RTE_SET_USED(dev);
1110
1111         CPT_PMD_INIT_FUNC_TRACE();
1112
1113         return 0;
1114 }
1115
1116 static void
1117 otx2_cpt_dev_stop(struct rte_cryptodev *dev)
1118 {
1119         CPT_PMD_INIT_FUNC_TRACE();
1120
1121         if (dev->feature_flags & RTE_CRYPTODEV_FF_ASYMMETRIC_CRYPTO)
1122                 cpt_fpm_clear();
1123 }
1124
1125 static int
1126 otx2_cpt_dev_close(struct rte_cryptodev *dev)
1127 {
1128         struct otx2_cpt_vf *vf = dev->data->dev_private;
1129         int i, ret = 0;
1130
1131         for (i = 0; i < dev->data->nb_queue_pairs; i++) {
1132                 ret = otx2_cpt_queue_pair_release(dev, i);
1133                 if (ret)
1134                         return ret;
1135         }
1136
1137         /* Unregister error interrupts */
1138         if (vf->err_intr_registered)
1139                 otx2_cpt_err_intr_unregister(dev);
1140
1141         /* Detach queues */
1142         if (vf->nb_queues) {
1143                 ret = otx2_cpt_queues_detach(dev);
1144                 if (ret)
1145                         CPT_LOG_ERR("Could not detach CPT queues");
1146         }
1147
1148         return ret;
1149 }
1150
1151 static void
1152 otx2_cpt_dev_info_get(struct rte_cryptodev *dev,
1153                       struct rte_cryptodev_info *info)
1154 {
1155         struct otx2_cpt_vf *vf = dev->data->dev_private;
1156
1157         if (info != NULL) {
1158                 info->max_nb_queue_pairs = vf->max_queues;
1159                 info->feature_flags = dev->feature_flags;
1160                 info->capabilities = otx2_cpt_capabilities_get();
1161                 info->sym.max_nb_sessions = 0;
1162                 info->driver_id = otx2_cryptodev_driver_id;
1163                 info->min_mbuf_headroom_req = OTX2_CPT_MIN_HEADROOM_REQ;
1164                 info->min_mbuf_tailroom_req = OTX2_CPT_MIN_TAILROOM_REQ;
1165         }
1166 }
1167
1168 static int
1169 otx2_cpt_queue_pair_setup(struct rte_cryptodev *dev, uint16_t qp_id,
1170                           const struct rte_cryptodev_qp_conf *conf,
1171                           int socket_id __rte_unused)
1172 {
1173         uint8_t grp_mask = OTX2_CPT_ENG_GRPS_MASK;
1174         struct rte_pci_device *pci_dev;
1175         struct otx2_cpt_qp *qp;
1176
1177         CPT_PMD_INIT_FUNC_TRACE();
1178
1179         if (dev->data->queue_pairs[qp_id] != NULL)
1180                 otx2_cpt_queue_pair_release(dev, qp_id);
1181
1182         if (conf->nb_descriptors > OTX2_CPT_DEFAULT_CMD_QLEN) {
1183                 CPT_LOG_ERR("Could not setup queue pair for %u descriptors",
1184                             conf->nb_descriptors);
1185                 return -EINVAL;
1186         }
1187
1188         pci_dev = RTE_DEV_TO_PCI(dev->device);
1189
1190         if (pci_dev->mem_resource[2].addr == NULL) {
1191                 CPT_LOG_ERR("Invalid PCI mem address");
1192                 return -EIO;
1193         }
1194
1195         qp = otx2_cpt_qp_create(dev, qp_id, grp_mask);
1196         if (qp == NULL) {
1197                 CPT_LOG_ERR("Could not create queue pair %d", qp_id);
1198                 return -ENOMEM;
1199         }
1200
1201         qp->sess_mp = conf->mp_session;
1202         qp->sess_mp_priv = conf->mp_session_private;
1203         dev->data->queue_pairs[qp_id] = qp;
1204
1205         return 0;
1206 }
1207
1208 static int
1209 otx2_cpt_queue_pair_release(struct rte_cryptodev *dev, uint16_t qp_id)
1210 {
1211         struct otx2_cpt_qp *qp = dev->data->queue_pairs[qp_id];
1212         int ret;
1213
1214         CPT_PMD_INIT_FUNC_TRACE();
1215
1216         if (qp == NULL)
1217                 return -EINVAL;
1218
1219         CPT_LOG_INFO("Releasing queue pair %d", qp_id);
1220
1221         ret = otx2_cpt_qp_destroy(dev, qp);
1222         if (ret) {
1223                 CPT_LOG_ERR("Could not destroy queue pair %d", qp_id);
1224                 return ret;
1225         }
1226
1227         dev->data->queue_pairs[qp_id] = NULL;
1228
1229         return 0;
1230 }
1231
1232 static unsigned int
1233 otx2_cpt_sym_session_get_size(struct rte_cryptodev *dev __rte_unused)
1234 {
1235         return cpt_get_session_size();
1236 }
1237
1238 static int
1239 otx2_cpt_sym_session_configure(struct rte_cryptodev *dev,
1240                                struct rte_crypto_sym_xform *xform,
1241                                struct rte_cryptodev_sym_session *sess,
1242                                struct rte_mempool *pool)
1243 {
1244         CPT_PMD_INIT_FUNC_TRACE();
1245
1246         return sym_session_configure(dev->driver_id, xform, sess, pool);
1247 }
1248
1249 static void
1250 otx2_cpt_sym_session_clear(struct rte_cryptodev *dev,
1251                            struct rte_cryptodev_sym_session *sess)
1252 {
1253         CPT_PMD_INIT_FUNC_TRACE();
1254
1255         return sym_session_clear(dev->driver_id, sess);
1256 }
1257
1258 static unsigned int
1259 otx2_cpt_asym_session_size_get(struct rte_cryptodev *dev __rte_unused)
1260 {
1261         return sizeof(struct cpt_asym_sess_misc);
1262 }
1263
1264 static int
1265 otx2_cpt_asym_session_cfg(struct rte_cryptodev *dev,
1266                           struct rte_crypto_asym_xform *xform,
1267                           struct rte_cryptodev_asym_session *sess,
1268                           struct rte_mempool *pool)
1269 {
1270         struct cpt_asym_sess_misc *priv;
1271         vq_cmd_word3_t vq_cmd_w3;
1272         int ret;
1273
1274         CPT_PMD_INIT_FUNC_TRACE();
1275
1276         if (rte_mempool_get(pool, (void **)&priv)) {
1277                 CPT_LOG_ERR("Could not allocate session_private_data");
1278                 return -ENOMEM;
1279         }
1280
1281         memset(priv, 0, sizeof(struct cpt_asym_sess_misc));
1282
1283         ret = cpt_fill_asym_session_parameters(priv, xform);
1284         if (ret) {
1285                 CPT_LOG_ERR("Could not configure session parameters");
1286
1287                 /* Return session to mempool */
1288                 rte_mempool_put(pool, priv);
1289                 return ret;
1290         }
1291
1292         vq_cmd_w3.u64 = 0;
1293         vq_cmd_w3.s.grp = OTX2_CPT_EGRP_AE;
1294         priv->cpt_inst_w7 = vq_cmd_w3.u64;
1295
1296         set_asym_session_private_data(sess, dev->driver_id, priv);
1297
1298         return 0;
1299 }
1300
1301 static void
1302 otx2_cpt_asym_session_clear(struct rte_cryptodev *dev,
1303                             struct rte_cryptodev_asym_session *sess)
1304 {
1305         struct cpt_asym_sess_misc *priv;
1306         struct rte_mempool *sess_mp;
1307
1308         CPT_PMD_INIT_FUNC_TRACE();
1309
1310         priv = get_asym_session_private_data(sess, dev->driver_id);
1311         if (priv == NULL)
1312                 return;
1313
1314         /* Free resources allocated in session_cfg */
1315         cpt_free_asym_session_parameters(priv);
1316
1317         /* Reset and free object back to pool */
1318         memset(priv, 0, otx2_cpt_asym_session_size_get(dev));
1319         sess_mp = rte_mempool_from_obj(priv);
1320         set_asym_session_private_data(sess, dev->driver_id, NULL);
1321         rte_mempool_put(sess_mp, priv);
1322 }
1323
1324 struct rte_cryptodev_ops otx2_cpt_ops = {
1325         /* Device control ops */
1326         .dev_configure = otx2_cpt_dev_config,
1327         .dev_start = otx2_cpt_dev_start,
1328         .dev_stop = otx2_cpt_dev_stop,
1329         .dev_close = otx2_cpt_dev_close,
1330         .dev_infos_get = otx2_cpt_dev_info_get,
1331
1332         .stats_get = NULL,
1333         .stats_reset = NULL,
1334         .queue_pair_setup = otx2_cpt_queue_pair_setup,
1335         .queue_pair_release = otx2_cpt_queue_pair_release,
1336
1337         /* Symmetric crypto ops */
1338         .sym_session_get_size = otx2_cpt_sym_session_get_size,
1339         .sym_session_configure = otx2_cpt_sym_session_configure,
1340         .sym_session_clear = otx2_cpt_sym_session_clear,
1341
1342         /* Asymmetric crypto ops */
1343         .asym_session_get_size = otx2_cpt_asym_session_size_get,
1344         .asym_session_configure = otx2_cpt_asym_session_cfg,
1345         .asym_session_clear = otx2_cpt_asym_session_clear,
1346
1347 };