drivers/crypto/octeontx/otx_cryptodev_ops.c

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2018 Cavium, Inc
   3  */
   4
   5 #include <rte_alarm.h>
   6 #include <rte_bus_pci.h>
   7 #include <rte_cryptodev.h>
   8 #include <cryptodev_pmd.h>
   9 #include <rte_eventdev.h>
  10 #include <rte_event_crypto_adapter.h>
  11 #include <rte_errno.h>
  12 #include <rte_malloc.h>
  13 #include <rte_mempool.h>
  14
  15 #include "otx_cryptodev.h"
  16 #include "otx_cryptodev_capabilities.h"
  17 #include "otx_cryptodev_hw_access.h"
  18 #include "otx_cryptodev_mbox.h"
  19 #include "otx_cryptodev_ops.h"
  20
  21 #include "cpt_pmd_logs.h"
  22 #include "cpt_pmd_ops_helper.h"
  23 #include "cpt_ucode.h"
  24 #include "cpt_ucode_asym.h"
  25
  26 #include "ssovf_worker.h"
  27
  28 static uint64_t otx_fpm_iova[CPT_EC_ID_PMAX];
  29
  30 /* Forward declarations */
  31
  32 static int
  33 otx_cpt_que_pair_release(struct rte_cryptodev *dev, uint16_t que_pair_id);
  34
  35 /* Alarm routines */
  36
  37 static void
  38 otx_cpt_alarm_cb(void *arg)
  39 {
  40         struct cpt_vf *cptvf = arg;
  41         otx_cpt_poll_misc(cptvf);
  42         rte_eal_alarm_set(CPT_INTR_POLL_INTERVAL_MS * 1000,
  43                           otx_cpt_alarm_cb, cptvf);
  44 }
  45
  46 static int
  47 otx_cpt_periodic_alarm_start(void *arg)
  48 {
  49         return rte_eal_alarm_set(CPT_INTR_POLL_INTERVAL_MS * 1000,
  50                                  otx_cpt_alarm_cb, arg);
  51 }
  52
  53 static int
  54 otx_cpt_periodic_alarm_stop(void *arg)
  55 {
  56         return rte_eal_alarm_cancel(otx_cpt_alarm_cb, arg);
  57 }
  58
  59 /* PMD ops */
  60
  61 static int
  62 otx_cpt_dev_config(struct rte_cryptodev *dev,
  63                    struct rte_cryptodev_config *config __rte_unused)
  64 {
  65         int ret = 0;
  66
  67         CPT_PMD_INIT_FUNC_TRACE();
  68
  69         if (dev->feature_flags & RTE_CRYPTODEV_FF_ASYMMETRIC_CRYPTO)
  70                 /* Initialize shared FPM table */
  71                 ret = cpt_fpm_init(otx_fpm_iova);
  72
  73         return ret;
  74 }
  75
  76 static int
  77 otx_cpt_dev_start(struct rte_cryptodev *c_dev)
  78 {
  79         void *cptvf = c_dev->data->dev_private;
  80
  81         CPT_PMD_INIT_FUNC_TRACE();
  82
  83         return otx_cpt_start_device(cptvf);
  84 }
  85
  86 static void
  87 otx_cpt_dev_stop(struct rte_cryptodev *c_dev)
  88 {
  89         void *cptvf = c_dev->data->dev_private;
  90
  91         CPT_PMD_INIT_FUNC_TRACE();
  92
  93         if (c_dev->feature_flags & RTE_CRYPTODEV_FF_ASYMMETRIC_CRYPTO)
  94                 cpt_fpm_clear();
  95
  96         otx_cpt_stop_device(cptvf);
  97 }
  98
  99 static int
 100 otx_cpt_dev_close(struct rte_cryptodev *c_dev)
 101 {
 102         void *cptvf = c_dev->data->dev_private;
 103         int i, ret;
 104
 105         CPT_PMD_INIT_FUNC_TRACE();
 106
 107         for (i = 0; i < c_dev->data->nb_queue_pairs; i++) {
 108                 ret = otx_cpt_que_pair_release(c_dev, i);
 109                 if (ret)
 110                         return ret;
 111         }
 112
 113         otx_cpt_periodic_alarm_stop(cptvf);
 114         otx_cpt_deinit_device(cptvf);
 115
 116         return 0;
 117 }
 118
 119 static void
 120 otx_cpt_dev_info_get(struct rte_cryptodev *dev, struct rte_cryptodev_info *info)
 121 {
 122         CPT_PMD_INIT_FUNC_TRACE();
 123         if (info != NULL) {
 124                 info->max_nb_queue_pairs = CPT_NUM_QS_PER_VF;
 125                 info->feature_flags = dev->feature_flags;
 126                 info->capabilities = otx_get_capabilities(info->feature_flags);
 127                 info->sym.max_nb_sessions = 0;
 128                 info->driver_id = otx_cryptodev_driver_id;
 129                 info->min_mbuf_headroom_req = OTX_CPT_MIN_HEADROOM_REQ;
 130                 info->min_mbuf_tailroom_req = OTX_CPT_MIN_TAILROOM_REQ;
 131         }
 132 }
 133
 134 static int
 135 otx_cpt_que_pair_setup(struct rte_cryptodev *dev,
 136                        uint16_t que_pair_id,
 137                        const struct rte_cryptodev_qp_conf *qp_conf,
 138                        int socket_id __rte_unused)
 139 {
 140         struct cpt_instance *instance = NULL;
 141         struct rte_pci_device *pci_dev;
 142         int ret = -1;
 143
 144         CPT_PMD_INIT_FUNC_TRACE();
 145
 146         if (dev->data->queue_pairs[que_pair_id] != NULL) {
 147                 ret = otx_cpt_que_pair_release(dev, que_pair_id);
 148                 if (ret)
 149                         return ret;
 150         }
 151
 152         if (qp_conf->nb_descriptors > DEFAULT_CMD_QLEN) {
 153                 CPT_LOG_INFO("Number of descriptors too big %d, using default "
 154                              "queue length of %d", qp_conf->nb_descriptors,
 155                              DEFAULT_CMD_QLEN);
 156         }
 157
 158         pci_dev = RTE_DEV_TO_PCI(dev->device);
 159
 160         if (pci_dev->mem_resource[0].addr == NULL) {
 161                 CPT_LOG_ERR("PCI mem address null");
 162                 return -EIO;
 163         }
 164
 165         ret = otx_cpt_get_resource(dev, 0, &instance, que_pair_id);
 166         if (ret != 0 || instance == NULL) {
 167                 CPT_LOG_ERR("Error getting instance handle from device %s : "
 168                             "ret = %d", dev->data->name, ret);
 169                 return ret;
 170         }
 171
 172         instance->queue_id = que_pair_id;
 173         instance->sess_mp = qp_conf->mp_session;
 174         instance->sess_mp_priv = qp_conf->mp_session_private;
 175         dev->data->queue_pairs[que_pair_id] = instance;
 176
 177         return 0;
 178 }
 179
 180 static int
 181 otx_cpt_que_pair_release(struct rte_cryptodev *dev, uint16_t que_pair_id)
 182 {
 183         struct cpt_instance *instance = dev->data->queue_pairs[que_pair_id];
 184         int ret;
 185
 186         CPT_PMD_INIT_FUNC_TRACE();
 187
 188         ret = otx_cpt_put_resource(instance);
 189         if (ret != 0) {
 190                 CPT_LOG_ERR("Error putting instance handle of device %s : "
 191                             "ret = %d", dev->data->name, ret);
 192                 return ret;
 193         }
 194
 195         dev->data->queue_pairs[que_pair_id] = NULL;
 196
 197         return 0;
 198 }
 199
 200 static unsigned int
 201 otx_cpt_get_session_size(struct rte_cryptodev *dev __rte_unused)
 202 {
 203         return cpt_get_session_size();
 204 }
 205
 206 static int
 207 sym_xform_verify(struct rte_crypto_sym_xform *xform)
 208 {
 209         if (xform->next) {
 210                 if (xform->type == RTE_CRYPTO_SYM_XFORM_AUTH &&
 211                     xform->next->type == RTE_CRYPTO_SYM_XFORM_CIPHER &&
 212                     xform->next->cipher.op == RTE_CRYPTO_CIPHER_OP_ENCRYPT &&
 213                     (xform->auth.algo != RTE_CRYPTO_AUTH_SHA1_HMAC ||
 214                      xform->next->cipher.algo != RTE_CRYPTO_CIPHER_AES_CBC))
 215                         return -ENOTSUP;
 216
 217                 if (xform->type == RTE_CRYPTO_SYM_XFORM_CIPHER &&
 218                     xform->cipher.op == RTE_CRYPTO_CIPHER_OP_DECRYPT &&
 219                     xform->next->type == RTE_CRYPTO_SYM_XFORM_AUTH &&
 220                     (xform->cipher.algo != RTE_CRYPTO_CIPHER_AES_CBC ||
 221                      xform->next->auth.algo != RTE_CRYPTO_AUTH_SHA1_HMAC))
 222                         return -ENOTSUP;
 223
 224                 if (xform->type == RTE_CRYPTO_SYM_XFORM_CIPHER &&
 225                     xform->cipher.algo == RTE_CRYPTO_CIPHER_3DES_CBC &&
 226                     xform->next->type == RTE_CRYPTO_SYM_XFORM_AUTH &&
 227                     xform->next->auth.algo == RTE_CRYPTO_AUTH_SHA1)
 228                         return -ENOTSUP;
 229
 230                 if (xform->type == RTE_CRYPTO_SYM_XFORM_AUTH &&
 231                     xform->auth.algo == RTE_CRYPTO_AUTH_SHA1 &&
 232                     xform->next->type == RTE_CRYPTO_SYM_XFORM_CIPHER &&
 233                     xform->next->cipher.algo == RTE_CRYPTO_CIPHER_3DES_CBC)
 234                         return -ENOTSUP;
 235
 236         } else {
 237                 if (xform->type == RTE_CRYPTO_SYM_XFORM_AUTH &&
 238                     xform->auth.algo == RTE_CRYPTO_AUTH_NULL &&
 239                     xform->auth.op == RTE_CRYPTO_AUTH_OP_VERIFY)
 240                         return -ENOTSUP;
 241         }
 242         return 0;
 243 }
 244
 245 static int
 246 sym_session_configure(int driver_id, struct rte_crypto_sym_xform *xform,
 247                       struct rte_cryptodev_sym_session *sess,
 248                       struct rte_mempool *pool)
 249 {
 250         struct rte_crypto_sym_xform *temp_xform = xform;
 251         struct cpt_sess_misc *misc;
 252         vq_cmd_word3_t vq_cmd_w3;
 253         void *priv;
 254         int ret;
 255
 256         ret = sym_xform_verify(xform);
 257         if (unlikely(ret))
 258                 return ret;
 259
 260         if (unlikely(rte_mempool_get(pool, &priv))) {
 261                 CPT_LOG_ERR("Could not allocate session private data");
 262                 return -ENOMEM;
 263         }
 264
 265         memset(priv, 0, sizeof(struct cpt_sess_misc) +
 266                         offsetof(struct cpt_ctx, mc_ctx));
 267
 268         misc = priv;
 269
 270         for ( ; xform != NULL; xform = xform->next) {
 271                 switch (xform->type) {
 272                 case RTE_CRYPTO_SYM_XFORM_AEAD:
 273                         ret = fill_sess_aead(xform, misc);
 274                         break;
 275                 case RTE_CRYPTO_SYM_XFORM_CIPHER:
 276                         ret = fill_sess_cipher(xform, misc);
 277                         break;
 278                 case RTE_CRYPTO_SYM_XFORM_AUTH:
 279                         if (xform->auth.algo == RTE_CRYPTO_AUTH_AES_GMAC)
 280                                 ret = fill_sess_gmac(xform, misc);
 281                         else
 282                                 ret = fill_sess_auth(xform, misc);
 283                         break;
 284                 default:
 285                         ret = -1;
 286                 }
 287
 288                 if (ret)
 289                         goto priv_put;
 290         }
 291
 292         if ((GET_SESS_FC_TYPE(misc) == HASH_HMAC) &&
 293                         cpt_mac_len_verify(&temp_xform->auth)) {
 294                 CPT_LOG_ERR("MAC length is not supported");
 295                 struct cpt_ctx *ctx = SESS_PRIV(misc);
 296                 if (ctx->auth_key != NULL) {
 297                         rte_free(ctx->auth_key);
 298                         ctx->auth_key = NULL;
 299                 }
 300                 ret = -ENOTSUP;
 301                 goto priv_put;
 302         }
 303
 304         set_sym_session_private_data(sess, driver_id, priv);
 305
 306         misc->ctx_dma_addr = rte_mempool_virt2iova(misc) +
 307                              sizeof(struct cpt_sess_misc);
 308
 309         vq_cmd_w3.u64 = 0;
 310         vq_cmd_w3.s.grp = 0;
 311         vq_cmd_w3.s.cptr = misc->ctx_dma_addr + offsetof(struct cpt_ctx,
 312                                                          mc_ctx);
 313
 314         misc->cpt_inst_w7 = vq_cmd_w3.u64;
 315
 316         return 0;
 317
 318 priv_put:
 319         if (priv)
 320                 rte_mempool_put(pool, priv);
 321         return -ENOTSUP;
 322 }
 323
 324 static void
 325 sym_session_clear(int driver_id, struct rte_cryptodev_sym_session *sess)
 326 {
 327         void *priv = get_sym_session_private_data(sess, driver_id);
 328         struct cpt_sess_misc *misc;
 329         struct rte_mempool *pool;
 330         struct cpt_ctx *ctx;
 331
 332         if (priv == NULL)
 333                 return;
 334
 335         misc = priv;
 336         ctx = SESS_PRIV(misc);
 337
 338         if (ctx->auth_key != NULL)
 339                 rte_free(ctx->auth_key);
 340
 341         memset(priv, 0, cpt_get_session_size());
 342
 343         pool = rte_mempool_from_obj(priv);
 344
 345         set_sym_session_private_data(sess, driver_id, NULL);
 346
 347         rte_mempool_put(pool, priv);
 348 }
 349
 350 static int
 351 otx_cpt_session_cfg(struct rte_cryptodev *dev,
 352                     struct rte_crypto_sym_xform *xform,
 353                     struct rte_cryptodev_sym_session *sess,
 354                     struct rte_mempool *pool)
 355 {
 356         CPT_PMD_INIT_FUNC_TRACE();
 357
 358         return sym_session_configure(dev->driver_id, xform, sess, pool);
 359 }
 360
 361
 362 static void
 363 otx_cpt_session_clear(struct rte_cryptodev *dev,
 364                   struct rte_cryptodev_sym_session *sess)
 365 {
 366         CPT_PMD_INIT_FUNC_TRACE();
 367
 368         return sym_session_clear(dev->driver_id, sess);
 369 }
 370
 371 static unsigned int
 372 otx_cpt_asym_session_size_get(struct rte_cryptodev *dev __rte_unused)
 373 {
 374         return sizeof(struct cpt_asym_sess_misc);
 375 }
 376
 377 static int
 378 otx_cpt_asym_session_cfg(struct rte_cryptodev *dev,
 379                          struct rte_crypto_asym_xform *xform __rte_unused,
 380                          struct rte_cryptodev_asym_session *sess,
 381                          struct rte_mempool *pool)
 382 {
 383         struct cpt_asym_sess_misc *priv;
 384         int ret;
 385
 386         CPT_PMD_INIT_FUNC_TRACE();
 387
 388         if (rte_mempool_get(pool, (void **)&priv)) {
 389                 CPT_LOG_ERR("Could not allocate session private data");
 390                 return -ENOMEM;
 391         }
 392
 393         memset(priv, 0, sizeof(struct cpt_asym_sess_misc));
 394
 395         ret = cpt_fill_asym_session_parameters(priv, xform);
 396         if (ret) {
 397                 CPT_LOG_ERR("Could not configure session parameters");
 398
 399                 /* Return session to mempool */
 400                 rte_mempool_put(pool, priv);
 401                 return ret;
 402         }
 403
 404         priv->cpt_inst_w7 = 0;
 405
 406         set_asym_session_private_data(sess, dev->driver_id, priv);
 407         return 0;
 408 }
 409
 410 static void
 411 otx_cpt_asym_session_clear(struct rte_cryptodev *dev,
 412                            struct rte_cryptodev_asym_session *sess)
 413 {
 414         struct cpt_asym_sess_misc *priv;
 415         struct rte_mempool *sess_mp;
 416
 417         CPT_PMD_INIT_FUNC_TRACE();
 418
 419         priv = get_asym_session_private_data(sess, dev->driver_id);
 420
 421         if (priv == NULL)
 422                 return;
 423
 424         /* Free resources allocated during session configure */
 425         cpt_free_asym_session_parameters(priv);
 426         memset(priv, 0, otx_cpt_asym_session_size_get(dev));
 427         sess_mp = rte_mempool_from_obj(priv);
 428         set_asym_session_private_data(sess, dev->driver_id, NULL);
 429         rte_mempool_put(sess_mp, priv);
 430 }
 431
 432 static __rte_always_inline void * __rte_hot
 433 otx_cpt_request_enqueue(struct cpt_instance *instance,
 434                         void *req, uint64_t cpt_inst_w7)
 435 {
 436         struct cpt_request_info *user_req = (struct cpt_request_info *)req;
 437
 438         fill_cpt_inst(instance, req, cpt_inst_w7);
 439
 440         CPT_LOG_DP_DEBUG("req: %p op: %p ", req, user_req->op);
 441
 442         /* Fill time_out cycles */
 443         user_req->time_out = rte_get_timer_cycles() +
 444                         DEFAULT_COMMAND_TIMEOUT * rte_get_timer_hz();
 445         user_req->extra_time = 0;
 446
 447         /* Default mode of software queue */
 448         mark_cpt_inst(instance);
 449
 450         CPT_LOG_DP_DEBUG("Submitted NB cmd with request: %p "
 451                          "op: %p", user_req, user_req->op);
 452         return req;
 453 }
 454
 455 static __rte_always_inline void * __rte_hot
 456 otx_cpt_enq_single_asym(struct cpt_instance *instance,
 457                         struct rte_crypto_op *op)
 458 {
 459         struct cpt_qp_meta_info *minfo = &instance->meta_info;
 460         struct rte_crypto_asym_op *asym_op = op->asym;
 461         struct asym_op_params params = {0};
 462         struct cpt_asym_sess_misc *sess;
 463         uintptr_t *cop;
 464         void *mdata;
 465         void *req;
 466         int ret;
 467
 468         if (unlikely(rte_mempool_get(minfo->pool, &mdata) < 0)) {
 469                 CPT_LOG_DP_ERR("Could not allocate meta buffer for request");
 470                 rte_errno = ENOMEM;
 471                 return NULL;
 472         }
 473
 474         sess = get_asym_session_private_data(asym_op->session,
 475                                              otx_cryptodev_driver_id);
 476
 477         /* Store phys_addr of the mdata to meta_buf */
 478         params.meta_buf = rte_mempool_virt2iova(mdata);
 479
 480         cop = mdata;
 481         cop[0] = (uintptr_t)mdata;
 482         cop[1] = (uintptr_t)op;
 483         cop[2] = cop[3] = 0ULL;
 484
 485         params.req = RTE_PTR_ADD(cop, 4 * sizeof(uintptr_t));
 486         params.req->op = cop;
 487
 488         /* Adjust meta_buf by crypto_op data  and request_info struct */
 489         params.meta_buf += (4 * sizeof(uintptr_t)) +
 490                            sizeof(struct cpt_request_info);
 491
 492         switch (sess->xfrm_type) {
 493         case RTE_CRYPTO_ASYM_XFORM_MODEX:
 494                 ret = cpt_modex_prep(&params, &sess->mod_ctx);
 495                 if (unlikely(ret))
 496                         goto req_fail;
 497                 break;
 498         case RTE_CRYPTO_ASYM_XFORM_RSA:
 499                 ret = cpt_enqueue_rsa_op(op, &params, sess);
 500                 if (unlikely(ret))
 501                         goto req_fail;
 502                 break;
 503         case RTE_CRYPTO_ASYM_XFORM_ECDSA:
 504                 ret = cpt_enqueue_ecdsa_op(op, &params, sess, otx_fpm_iova);
 505                 if (unlikely(ret))
 506                         goto req_fail;
 507                 break;
 508         case RTE_CRYPTO_ASYM_XFORM_ECPM:
 509                 ret = cpt_ecpm_prep(&asym_op->ecpm, &params,
 510                                     sess->ec_ctx.curveid);
 511                 if (unlikely(ret))
 512                         goto req_fail;
 513                 break;
 514
 515         default:
 516                 op->status = RTE_CRYPTO_OP_STATUS_INVALID_ARGS;
 517                 rte_errno = EINVAL;
 518                 goto req_fail;
 519         }
 520
 521         req = otx_cpt_request_enqueue(instance, params.req, sess->cpt_inst_w7);
 522         if (unlikely(req == NULL)) {
 523                 CPT_LOG_DP_ERR("Could not enqueue crypto req");
 524                 goto req_fail;
 525         }
 526
 527         return req;
 528
 529 req_fail:
 530         free_op_meta(mdata, minfo->pool);
 531
 532         return NULL;
 533 }
 534
 535 static __rte_always_inline void * __rte_hot
 536 otx_cpt_enq_single_sym(struct cpt_instance *instance,
 537                        struct rte_crypto_op *op)
 538 {
 539         struct cpt_sess_misc *sess;
 540         struct rte_crypto_sym_op *sym_op = op->sym;
 541         struct cpt_request_info *prep_req;
 542         void *mdata = NULL;
 543         int ret = 0;
 544         void *req;
 545         uint64_t cpt_op;
 546
 547         sess = (struct cpt_sess_misc *)
 548                         get_sym_session_private_data(sym_op->session,
 549                                                      otx_cryptodev_driver_id);
 550
 551         cpt_op = sess->cpt_op;
 552
 553         if (likely(cpt_op & CPT_OP_CIPHER_MASK))
 554                 ret = fill_fc_params(op, sess, &instance->meta_info, &mdata,
 555                                      (void **)&prep_req);
 556         else
 557                 ret = fill_digest_params(op, sess, &instance->meta_info,
 558                                          &mdata, (void **)&prep_req);
 559
 560         if (unlikely(ret)) {
 561                 CPT_LOG_DP_ERR("prep cryto req : op %p, cpt_op 0x%x "
 562                                "ret 0x%x", op, (unsigned int)cpt_op, ret);
 563                 return NULL;
 564         }
 565
 566         /* Enqueue prepared instruction to h/w */
 567         req = otx_cpt_request_enqueue(instance, prep_req, sess->cpt_inst_w7);
 568         if (unlikely(req == NULL))
 569                 /* Buffer allocated for request preparation need to be freed */
 570                 free_op_meta(mdata, instance->meta_info.pool);
 571
 572         return req;
 573 }
 574
 575 static __rte_always_inline void * __rte_hot
 576 otx_cpt_enq_single_sym_sessless(struct cpt_instance *instance,
 577                                 struct rte_crypto_op *op)
 578 {
 579         const int driver_id = otx_cryptodev_driver_id;
 580         struct rte_crypto_sym_op *sym_op = op->sym;
 581         struct rte_cryptodev_sym_session *sess;
 582         void *req;
 583         int ret;
 584
 585         /* Create temporary session */
 586         sess = rte_cryptodev_sym_session_create(instance->sess_mp);
 587         if (sess == NULL) {
 588                 rte_errno = ENOMEM;
 589                 return NULL;
 590         }
 591
 592         ret = sym_session_configure(driver_id, sym_op->xform, sess,
 593                                     instance->sess_mp_priv);
 594         if (ret)
 595                 goto sess_put;
 596
 597         sym_op->session = sess;
 598
 599         /* Enqueue op with the tmp session set */
 600         req = otx_cpt_enq_single_sym(instance, op);
 601         if (unlikely(req == NULL))
 602                 goto priv_put;
 603
 604         return req;
 605
 606 priv_put:
 607         sym_session_clear(driver_id, sess);
 608 sess_put:
 609         rte_mempool_put(instance->sess_mp, sess);
 610         return NULL;
 611 }
 612
 613 #define OP_TYPE_SYM             0
 614 #define OP_TYPE_ASYM            1
 615
 616 static __rte_always_inline void *__rte_hot
 617 otx_cpt_enq_single(struct cpt_instance *inst,
 618                    struct rte_crypto_op *op,
 619                    const uint8_t op_type)
 620 {
 621         /* Check for the type */
 622
 623         if (op_type == OP_TYPE_SYM) {
 624                 if (op->sess_type == RTE_CRYPTO_OP_WITH_SESSION)
 625                         return otx_cpt_enq_single_sym(inst, op);
 626                 else
 627                         return otx_cpt_enq_single_sym_sessless(inst, op);
 628         }
 629
 630         if (op_type == OP_TYPE_ASYM) {
 631                 if (op->sess_type == RTE_CRYPTO_OP_WITH_SESSION)
 632                         return otx_cpt_enq_single_asym(inst, op);
 633         }
 634
 635         /* Should not reach here */
 636         rte_errno = ENOTSUP;
 637         return NULL;
 638 }
 639
 640 static  __rte_always_inline uint16_t __rte_hot
 641 otx_cpt_pkt_enqueue(void *qptr, struct rte_crypto_op **ops, uint16_t nb_ops,
 642                     const uint8_t op_type)
 643 {
 644         struct cpt_instance *instance = (struct cpt_instance *)qptr;
 645         uint16_t count, free_slots;
 646         void *req;
 647         struct cpt_vf *cptvf = (struct cpt_vf *)instance;
 648         struct pending_queue *pqueue = &cptvf->pqueue;
 649
 650         free_slots = pending_queue_free_slots(pqueue, DEFAULT_CMD_QLEN,
 651                                 DEFAULT_CMD_QRSVD_SLOTS);
 652         if (nb_ops > free_slots)
 653                 nb_ops = free_slots;
 654
 655         count = 0;
 656         while (likely(count < nb_ops)) {
 657
 658                 /* Enqueue single op */
 659                 req = otx_cpt_enq_single(instance, ops[count], op_type);
 660
 661                 if (unlikely(req == NULL))
 662                         break;
 663
 664                 pending_queue_push(pqueue, req, count, DEFAULT_CMD_QLEN);
 665                 count++;
 666         }
 667
 668         if (likely(count)) {
 669                 pending_queue_commit(pqueue, count, DEFAULT_CMD_QLEN);
 670                 otx_cpt_ring_dbell(instance, count);
 671         }
 672         return count;
 673 }
 674
 675 static uint16_t
 676 otx_cpt_enqueue_asym(void *qptr, struct rte_crypto_op **ops, uint16_t nb_ops)
 677 {
 678         return otx_cpt_pkt_enqueue(qptr, ops, nb_ops, OP_TYPE_ASYM);
 679 }
 680
 681 static uint16_t
 682 otx_cpt_enqueue_sym(void *qptr, struct rte_crypto_op **ops, uint16_t nb_ops)
 683 {
 684         return otx_cpt_pkt_enqueue(qptr, ops, nb_ops, OP_TYPE_SYM);
 685 }
 686
 687 static __rte_always_inline void
 688 submit_request_to_sso(struct ssows *ws, uintptr_t req,
 689                       struct rte_event *rsp_info)
 690 {
 691         uint64_t add_work;
 692
 693         add_work = rsp_info->flow_id | (RTE_EVENT_TYPE_CRYPTODEV << 28) |
 694                    ((uint64_t)(rsp_info->sched_type) << 32);
 695
 696         if (!rsp_info->sched_type)
 697                 ssows_head_wait(ws);
 698
 699         rte_atomic_thread_fence(__ATOMIC_RELEASE);
 700         ssovf_store_pair(add_work, req, ws->grps[rsp_info->queue_id]);
 701 }
 702
 703 static inline union rte_event_crypto_metadata *
 704 get_event_crypto_mdata(struct rte_crypto_op *op)
 705 {
 706         union rte_event_crypto_metadata *ec_mdata;
 707
 708         if (op->sess_type == RTE_CRYPTO_OP_WITH_SESSION)
 709                 ec_mdata = rte_cryptodev_sym_session_get_user_data(
 710                                                            op->sym->session);
 711         else if (op->sess_type == RTE_CRYPTO_OP_SESSIONLESS &&
 712                  op->private_data_offset)
 713                 ec_mdata = (union rte_event_crypto_metadata *)
 714                         ((uint8_t *)op + op->private_data_offset);
 715         else
 716                 return NULL;
 717
 718         return ec_mdata;
 719 }
 720
 721 uint16_t __rte_hot
 722 otx_crypto_adapter_enqueue(void *port, struct rte_crypto_op *op)
 723 {
 724         union rte_event_crypto_metadata *ec_mdata;
 725         struct cpt_instance *instance;
 726         struct cpt_request_info *req;
 727         struct rte_event *rsp_info;
 728         uint8_t op_type, cdev_id;
 729         uint16_t qp_id;
 730
 731         ec_mdata = get_event_crypto_mdata(op);
 732         if (unlikely(ec_mdata == NULL)) {
 733                 rte_errno = EINVAL;
 734                 return 0;
 735         }
 736
 737         cdev_id = ec_mdata->request_info.cdev_id;
 738         qp_id = ec_mdata->request_info.queue_pair_id;
 739         rsp_info = &ec_mdata->response_info;
 740         instance = rte_cryptodevs[cdev_id].data->queue_pairs[qp_id];
 741
 742         if (unlikely(!instance->ca_enabled)) {
 743                 rte_errno = EINVAL;
 744                 return 0;
 745         }
 746
 747         op_type = op->type == RTE_CRYPTO_OP_TYPE_SYMMETRIC ? OP_TYPE_SYM :
 748                                                              OP_TYPE_ASYM;
 749         req = otx_cpt_enq_single(instance, op, op_type);
 750         if (unlikely(req == NULL))
 751                 return 0;
 752
 753         otx_cpt_ring_dbell(instance, 1);
 754         req->qp = instance;
 755         submit_request_to_sso(port, (uintptr_t)req, rsp_info);
 756
 757         return 1;
 758 }
 759
 760 static inline void
 761 otx_cpt_asym_rsa_op(struct rte_crypto_op *cop, struct cpt_request_info *req,
 762                     struct rte_crypto_rsa_xform *rsa_ctx)
 763
 764 {
 765         struct rte_crypto_rsa_op_param *rsa = &cop->asym->rsa;
 766
 767         switch (rsa->op_type) {
 768         case RTE_CRYPTO_ASYM_OP_ENCRYPT:
 769                 rsa->cipher.length = rsa_ctx->n.length;
 770                 memcpy(rsa->cipher.data, req->rptr, rsa->cipher.length);
 771                 break;
 772         case RTE_CRYPTO_ASYM_OP_DECRYPT:
 773                 if (rsa->pad == RTE_CRYPTO_RSA_PADDING_NONE)
 774                         rsa->message.length = rsa_ctx->n.length;
 775                 else {
 776                         /* Get length of decrypted output */
 777                         rsa->message.length = rte_cpu_to_be_16
 778                                         (*((uint16_t *)req->rptr));
 779
 780                         /* Offset data pointer by length fields */
 781                         req->rptr += 2;
 782                 }
 783                 memcpy(rsa->message.data, req->rptr, rsa->message.length);
 784                 break;
 785         case RTE_CRYPTO_ASYM_OP_SIGN:
 786                 rsa->sign.length = rsa_ctx->n.length;
 787                 memcpy(rsa->sign.data, req->rptr, rsa->sign.length);
 788                 break;
 789         case RTE_CRYPTO_ASYM_OP_VERIFY:
 790                 if (rsa->pad == RTE_CRYPTO_RSA_PADDING_NONE)
 791                         rsa->sign.length = rsa_ctx->n.length;
 792                 else {
 793                         /* Get length of decrypted output */
 794                         rsa->sign.length = rte_cpu_to_be_16
 795                                         (*((uint16_t *)req->rptr));
 796
 797                         /* Offset data pointer by length fields */
 798                         req->rptr += 2;
 799                 }
 800                 memcpy(rsa->sign.data, req->rptr, rsa->sign.length);
 801
 802                 if (memcmp(rsa->sign.data, rsa->message.data,
 803                            rsa->message.length)) {
 804                         CPT_LOG_DP_ERR("RSA verification failed");
 805                         cop->status = RTE_CRYPTO_OP_STATUS_ERROR;
 806                 }
 807                 break;
 808         default:
 809                 CPT_LOG_DP_DEBUG("Invalid RSA operation type");
 810                 cop->status = RTE_CRYPTO_OP_STATUS_INVALID_ARGS;
 811                 break;
 812         }
 813 }
 814
 815 static __rte_always_inline void
 816 otx_cpt_asym_dequeue_ecdsa_op(struct rte_crypto_ecdsa_op_param *ecdsa,
 817                             struct cpt_request_info *req,
 818                             struct cpt_asym_ec_ctx *ec)
 819
 820 {
 821         int prime_len = ec_grp[ec->curveid].prime.length;
 822
 823         if (ecdsa->op_type == RTE_CRYPTO_ASYM_OP_VERIFY)
 824                 return;
 825
 826         /* Separate out sign r and s components */
 827         memcpy(ecdsa->r.data, req->rptr, prime_len);
 828         memcpy(ecdsa->s.data, req->rptr + RTE_ALIGN_CEIL(prime_len, 8),
 829                prime_len);
 830         ecdsa->r.length = prime_len;
 831         ecdsa->s.length = prime_len;
 832 }
 833
 834 static __rte_always_inline void
 835 otx_cpt_asym_dequeue_ecpm_op(struct rte_crypto_ecpm_op_param *ecpm,
 836                              struct cpt_request_info *req,
 837                              struct cpt_asym_ec_ctx *ec)
 838 {
 839         int prime_len = ec_grp[ec->curveid].prime.length;
 840
 841         memcpy(ecpm->r.x.data, req->rptr, prime_len);
 842         memcpy(ecpm->r.y.data, req->rptr + RTE_ALIGN_CEIL(prime_len, 8),
 843                prime_len);
 844         ecpm->r.x.length = prime_len;
 845         ecpm->r.y.length = prime_len;
 846 }
 847
 848 static __rte_always_inline void __rte_hot
 849 otx_cpt_asym_post_process(struct rte_crypto_op *cop,
 850                           struct cpt_request_info *req)
 851 {
 852         struct rte_crypto_asym_op *op = cop->asym;
 853         struct cpt_asym_sess_misc *sess;
 854
 855         sess = get_asym_session_private_data(op->session,
 856                                              otx_cryptodev_driver_id);
 857
 858         switch (sess->xfrm_type) {
 859         case RTE_CRYPTO_ASYM_XFORM_RSA:
 860                 otx_cpt_asym_rsa_op(cop, req, &sess->rsa_ctx);
 861                 break;
 862         case RTE_CRYPTO_ASYM_XFORM_MODEX:
 863                 op->modex.result.length = sess->mod_ctx.modulus.length;
 864                 memcpy(op->modex.result.data, req->rptr,
 865                        op->modex.result.length);
 866                 break;
 867         case RTE_CRYPTO_ASYM_XFORM_ECDSA:
 868                 otx_cpt_asym_dequeue_ecdsa_op(&op->ecdsa, req, &sess->ec_ctx);
 869                 break;
 870         case RTE_CRYPTO_ASYM_XFORM_ECPM:
 871                 otx_cpt_asym_dequeue_ecpm_op(&op->ecpm, req, &sess->ec_ctx);
 872                 break;
 873         default:
 874                 CPT_LOG_DP_DEBUG("Invalid crypto xform type");
 875                 cop->status = RTE_CRYPTO_OP_STATUS_INVALID_ARGS;
 876                 break;
 877         }
 878 }
 879
 880 static __rte_always_inline void __rte_hot
 881 otx_cpt_dequeue_post_process(struct rte_crypto_op *cop, uintptr_t *rsp,
 882                              const uint8_t op_type)
 883 {
 884         /* H/w has returned success */
 885         cop->status = RTE_CRYPTO_OP_STATUS_SUCCESS;
 886
 887         /* Perform further post processing */
 888
 889         if ((op_type == OP_TYPE_SYM) &&
 890             (cop->type == RTE_CRYPTO_OP_TYPE_SYMMETRIC)) {
 891                 /* Check if auth verify need to be completed */
 892                 if (unlikely(rsp[2]))
 893                         compl_auth_verify(cop, (uint8_t *)rsp[2], rsp[3]);
 894                 return;
 895         }
 896
 897         if ((op_type == OP_TYPE_ASYM) &&
 898             (cop->type == RTE_CRYPTO_OP_TYPE_ASYMMETRIC)) {
 899                 rsp = RTE_PTR_ADD(rsp, 4 * sizeof(uintptr_t));
 900                 otx_cpt_asym_post_process(cop, (struct cpt_request_info *)rsp);
 901         }
 902
 903         return;
 904 }
 905
 906 static inline void
 907 free_sym_session_data(const struct cpt_instance *instance,
 908                       struct rte_crypto_op *cop)
 909 {
 910         void *sess_private_data_t = get_sym_session_private_data(
 911                 cop->sym->session, otx_cryptodev_driver_id);
 912         memset(sess_private_data_t, 0, cpt_get_session_size());
 913         memset(cop->sym->session, 0,
 914                rte_cryptodev_sym_get_existing_header_session_size(
 915                        cop->sym->session));
 916         rte_mempool_put(instance->sess_mp_priv, sess_private_data_t);
 917         rte_mempool_put(instance->sess_mp, cop->sym->session);
 918         cop->sym->session = NULL;
 919 }
 920
 921 static __rte_always_inline struct rte_crypto_op *
 922 otx_cpt_process_response(const struct cpt_instance *instance, uintptr_t *rsp,
 923                          uint8_t cc, const uint8_t op_type)
 924 {
 925         struct rte_crypto_op *cop;
 926         void *metabuf;
 927
 928         metabuf = (void *)rsp[0];
 929         cop = (void *)rsp[1];
 930
 931         /* Check completion code */
 932         if (likely(cc == 0)) {
 933                 /* H/w success pkt. Post process */
 934                 otx_cpt_dequeue_post_process(cop, rsp, op_type);
 935         } else if (cc == ERR_GC_ICV_MISCOMPARE) {
 936                 /* auth data mismatch */
 937                 cop->status = RTE_CRYPTO_OP_STATUS_AUTH_FAILED;
 938         } else {
 939                 /* Error */
 940                 cop->status = RTE_CRYPTO_OP_STATUS_ERROR;
 941         }
 942
 943         if (unlikely(cop->sess_type == RTE_CRYPTO_OP_SESSIONLESS))
 944                 free_sym_session_data(instance, cop);
 945         free_op_meta(metabuf, instance->meta_info.pool);
 946
 947         return cop;
 948 }
 949
 950 static __rte_always_inline uint16_t __rte_hot
 951 otx_cpt_pkt_dequeue(void *qptr, struct rte_crypto_op **ops, uint16_t nb_ops,
 952                     const uint8_t op_type)
 953 {
 954         struct cpt_instance *instance = (struct cpt_instance *)qptr;
 955         struct cpt_request_info *user_req;
 956         struct cpt_vf *cptvf = (struct cpt_vf *)instance;
 957         uint8_t cc[nb_ops];
 958         int i, count, pcount;
 959         uint8_t ret;
 960         int nb_completed;
 961         struct pending_queue *pqueue = &cptvf->pqueue;
 962
 963         pcount = pending_queue_level(pqueue, DEFAULT_CMD_QLEN);
 964
 965         /* Ensure pcount isn't read before data lands */
 966         rte_atomic_thread_fence(__ATOMIC_ACQUIRE);
 967
 968         count = (nb_ops > pcount) ? pcount : nb_ops;
 969
 970         for (i = 0; i < count; i++) {
 971                 pending_queue_peek(pqueue, (void **) &user_req,
 972                         DEFAULT_CMD_QLEN, i + 1 < count);
 973
 974                 ret = check_nb_command_id(user_req, instance);
 975
 976                 if (unlikely(ret == ERR_REQ_PENDING)) {
 977                         /* Stop checking for completions */
 978                         break;
 979                 }
 980
 981                 /* Return completion code and op handle */
 982                 cc[i] = ret;
 983                 ops[i] = user_req->op;
 984
 985                 CPT_LOG_DP_DEBUG("Request %p Op %p completed with code %d",
 986                                  user_req, user_req->op, ret);
 987
 988                 pending_queue_pop(pqueue, DEFAULT_CMD_QLEN);
 989         }
 990
 991         nb_completed = i;
 992
 993         for (i = 0; i < nb_completed; i++) {
 994                 if (likely((i + 1) < nb_completed))
 995                         rte_prefetch0(ops[i+1]);
 996
 997                 ops[i] = otx_cpt_process_response(instance, (void *)ops[i],
 998                                                   cc[i], op_type);
 999         }
1000
1001         return nb_completed;
1002 }
1003
1004 static uint16_t
1005 otx_cpt_dequeue_asym(void *qptr, struct rte_crypto_op **ops, uint16_t nb_ops)
1006 {
1007         return otx_cpt_pkt_dequeue(qptr, ops, nb_ops, OP_TYPE_ASYM);
1008 }
1009
1010 static uint16_t
1011 otx_cpt_dequeue_sym(void *qptr, struct rte_crypto_op **ops, uint16_t nb_ops)
1012 {
1013         return otx_cpt_pkt_dequeue(qptr, ops, nb_ops, OP_TYPE_SYM);
1014 }
1015
1016 uintptr_t __rte_hot
1017 otx_crypto_adapter_dequeue(uintptr_t get_work1)
1018 {
1019         const struct cpt_instance *instance;
1020         struct cpt_request_info *req;
1021         struct rte_crypto_op *cop;
1022         uint8_t cc, op_type;
1023         uintptr_t *rsp;
1024
1025         req = (struct cpt_request_info *)get_work1;
1026         instance = req->qp;
1027         rsp = req->op;
1028         cop = (void *)rsp[1];
1029         op_type = cop->type == RTE_CRYPTO_OP_TYPE_SYMMETRIC ? OP_TYPE_SYM :
1030                                                               OP_TYPE_ASYM;
1031
1032         do {
1033                 cc = check_nb_command_id(
1034                         req, (struct cpt_instance *)(uintptr_t)instance);
1035         } while (cc == ERR_REQ_PENDING);
1036
1037         cop = otx_cpt_process_response(instance, (void *)req->op, cc, op_type);
1038
1039         return (uintptr_t)(cop);
1040 }
1041
1042 static struct rte_cryptodev_ops cptvf_ops = {
1043         /* Device related operations */
1044         .dev_configure = otx_cpt_dev_config,
1045         .dev_start = otx_cpt_dev_start,
1046         .dev_stop = otx_cpt_dev_stop,
1047         .dev_close = otx_cpt_dev_close,
1048         .dev_infos_get = otx_cpt_dev_info_get,
1049
1050         .stats_get = NULL,
1051         .stats_reset = NULL,
1052         .queue_pair_setup = otx_cpt_que_pair_setup,
1053         .queue_pair_release = otx_cpt_que_pair_release,
1054
1055         /* Crypto related operations */
1056         .sym_session_get_size = otx_cpt_get_session_size,
1057         .sym_session_configure = otx_cpt_session_cfg,
1058         .sym_session_clear = otx_cpt_session_clear,
1059
1060         .asym_session_get_size = otx_cpt_asym_session_size_get,
1061         .asym_session_configure = otx_cpt_asym_session_cfg,
1062         .asym_session_clear = otx_cpt_asym_session_clear,
1063 };
1064
1065 int
1066 otx_cpt_dev_create(struct rte_cryptodev *c_dev)
1067 {
1068         struct rte_pci_device *pdev = RTE_DEV_TO_PCI(c_dev->device);
1069         struct cpt_vf *cptvf = NULL;
1070         void *reg_base;
1071         char dev_name[32];
1072         int ret;
1073
1074         if (pdev->mem_resource[0].phys_addr == 0ULL)
1075                 return -EIO;
1076
1077         /* for secondary processes, we don't initialise any further as primary
1078          * has already done this work.
1079          */
1080         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
1081                 return 0;
1082
1083         cptvf = rte_zmalloc_socket("otx_cryptodev_private_mem",
1084                         sizeof(struct cpt_vf), RTE_CACHE_LINE_SIZE,
1085                         rte_socket_id());
1086
1087         if (cptvf == NULL) {
1088                 CPT_LOG_ERR("Cannot allocate memory for device private data");
1089                 return -ENOMEM;
1090         }
1091
1092         snprintf(dev_name, 32, "%02x:%02x.%x",
1093                         pdev->addr.bus, pdev->addr.devid, pdev->addr.function);
1094
1095         reg_base = pdev->mem_resource[0].addr;
1096         if (!reg_base) {
1097                 CPT_LOG_ERR("Failed to map BAR0 of %s", dev_name);
1098                 ret = -ENODEV;
1099                 goto fail;
1100         }
1101
1102         ret = otx_cpt_hw_init(cptvf, pdev, reg_base, dev_name);
1103         if (ret) {
1104                 CPT_LOG_ERR("Failed to init cptvf %s", dev_name);
1105                 ret = -EIO;
1106                 goto fail;
1107         }
1108
1109         switch (cptvf->vftype) {
1110         case OTX_CPT_VF_TYPE_AE:
1111                 /* Set asymmetric cpt feature flags */
1112                 c_dev->feature_flags = RTE_CRYPTODEV_FF_ASYMMETRIC_CRYPTO |
1113                                 RTE_CRYPTODEV_FF_HW_ACCELERATED |
1114                                 RTE_CRYPTODEV_FF_RSA_PRIV_OP_KEY_QT;
1115                 break;
1116         case OTX_CPT_VF_TYPE_SE:
1117                 /* Set symmetric cpt feature flags */
1118                 c_dev->feature_flags = RTE_CRYPTODEV_FF_SYMMETRIC_CRYPTO |
1119                                 RTE_CRYPTODEV_FF_HW_ACCELERATED |
1120                                 RTE_CRYPTODEV_FF_SYM_OPERATION_CHAINING |
1121                                 RTE_CRYPTODEV_FF_IN_PLACE_SGL |
1122                                 RTE_CRYPTODEV_FF_OOP_LB_IN_LB_OUT |
1123                                 RTE_CRYPTODEV_FF_OOP_SGL_IN_LB_OUT |
1124                                 RTE_CRYPTODEV_FF_OOP_SGL_IN_SGL_OUT |
1125                                 RTE_CRYPTODEV_FF_SYM_SESSIONLESS |
1126                                 RTE_CRYPTODEV_FF_DIGEST_ENCRYPTED;
1127                 break;
1128         default:
1129                 /* Feature not supported. Abort */
1130                 CPT_LOG_ERR("VF type not supported by %s", dev_name);
1131                 ret = -EIO;
1132                 goto deinit_dev;
1133         }
1134
1135         /* Start off timer for mailbox interrupts */
1136         otx_cpt_periodic_alarm_start(cptvf);
1137
1138         c_dev->dev_ops = &cptvf_ops;
1139
1140         if (c_dev->feature_flags & RTE_CRYPTODEV_FF_SYMMETRIC_CRYPTO) {
1141                 c_dev->enqueue_burst = otx_cpt_enqueue_sym;
1142                 c_dev->dequeue_burst = otx_cpt_dequeue_sym;
1143         } else {
1144                 c_dev->enqueue_burst = otx_cpt_enqueue_asym;
1145                 c_dev->dequeue_burst = otx_cpt_dequeue_asym;
1146         }
1147
1148         /* Save dev private data */
1149         c_dev->data->dev_private = cptvf;
1150
1151         return 0;
1152
1153 deinit_dev:
1154         otx_cpt_deinit_device(cptvf);
1155
1156 fail:
1157         if (cptvf) {
1158                 /* Free private data allocated */
1159                 rte_free(cptvf);
1160         }
1161
1162         return ret;
1163 }