1 /* SPDX-License-Identifier: BSD-3-Clause 2 * Copyright(c) 2018 Cavium, Inc 3 */ 4 5 #include <rte_alarm.h> 6 #include <rte_bus_pci.h> 7 #include <rte_cryptodev.h> 8 #include <rte_cryptodev_pmd.h> 9 #include <rte_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 ret = -ENOTSUP; 296 goto priv_put; 297 } 298 299 set_sym_session_private_data(sess, driver_id, priv); 300 301 misc->ctx_dma_addr = rte_mempool_virt2iova(misc) + 302 sizeof(struct cpt_sess_misc); 303 304 vq_cmd_w3.u64 = 0; 305 vq_cmd_w3.s.grp = 0; 306 vq_cmd_w3.s.cptr = misc->ctx_dma_addr + offsetof(struct cpt_ctx, 307 mc_ctx); 308 309 misc->cpt_inst_w7 = vq_cmd_w3.u64; 310 311 return 0; 312 313 priv_put: 314 if (priv) 315 rte_mempool_put(pool, priv); 316 return -ENOTSUP; 317 } 318 319 static void 320 sym_session_clear(int driver_id, struct rte_cryptodev_sym_session *sess) 321 { 322 void *priv = get_sym_session_private_data(sess, driver_id); 323 struct rte_mempool *pool; 324 325 if (priv == NULL) 326 return; 327 328 memset(priv, 0, cpt_get_session_size()); 329 330 pool = rte_mempool_from_obj(priv); 331 332 set_sym_session_private_data(sess, driver_id, NULL); 333 334 rte_mempool_put(pool, priv); 335 } 336 337 static int 338 otx_cpt_session_cfg(struct rte_cryptodev *dev, 339 struct rte_crypto_sym_xform *xform, 340 struct rte_cryptodev_sym_session *sess, 341 struct rte_mempool *pool) 342 { 343 CPT_PMD_INIT_FUNC_TRACE(); 344 345 return sym_session_configure(dev->driver_id, xform, sess, pool); 346 } 347 348 349 static void 350 otx_cpt_session_clear(struct rte_cryptodev *dev, 351 struct rte_cryptodev_sym_session *sess) 352 { 353 CPT_PMD_INIT_FUNC_TRACE(); 354 355 return sym_session_clear(dev->driver_id, sess); 356 } 357 358 static unsigned int 359 otx_cpt_asym_session_size_get(struct rte_cryptodev *dev __rte_unused) 360 { 361 return sizeof(struct cpt_asym_sess_misc); 362 } 363 364 static int 365 otx_cpt_asym_session_cfg(struct rte_cryptodev *dev, 366 struct rte_crypto_asym_xform *xform __rte_unused, 367 struct rte_cryptodev_asym_session *sess, 368 struct rte_mempool *pool) 369 { 370 struct cpt_asym_sess_misc *priv; 371 int ret; 372 373 CPT_PMD_INIT_FUNC_TRACE(); 374 375 if (rte_mempool_get(pool, (void **)&priv)) { 376 CPT_LOG_ERR("Could not allocate session private data"); 377 return -ENOMEM; 378 } 379 380 memset(priv, 0, sizeof(struct cpt_asym_sess_misc)); 381 382 ret = cpt_fill_asym_session_parameters(priv, xform); 383 if (ret) { 384 CPT_LOG_ERR("Could not configure session parameters"); 385 386 /* Return session to mempool */ 387 rte_mempool_put(pool, priv); 388 return ret; 389 } 390 391 priv->cpt_inst_w7 = 0; 392 393 set_asym_session_private_data(sess, dev->driver_id, priv); 394 return 0; 395 } 396 397 static void 398 otx_cpt_asym_session_clear(struct rte_cryptodev *dev, 399 struct rte_cryptodev_asym_session *sess) 400 { 401 struct cpt_asym_sess_misc *priv; 402 struct rte_mempool *sess_mp; 403 404 CPT_PMD_INIT_FUNC_TRACE(); 405 406 priv = get_asym_session_private_data(sess, dev->driver_id); 407 408 if (priv == NULL) 409 return; 410 411 /* Free resources allocated during session configure */ 412 cpt_free_asym_session_parameters(priv); 413 memset(priv, 0, otx_cpt_asym_session_size_get(dev)); 414 sess_mp = rte_mempool_from_obj(priv); 415 set_asym_session_private_data(sess, dev->driver_id, NULL); 416 rte_mempool_put(sess_mp, priv); 417 } 418 419 static __rte_always_inline void * __rte_hot 420 otx_cpt_request_enqueue(struct cpt_instance *instance, 421 struct pending_queue *pqueue, 422 void *req, uint64_t cpt_inst_w7) 423 { 424 struct cpt_request_info *user_req = (struct cpt_request_info *)req; 425 426 if (unlikely(pqueue->pending_count >= DEFAULT_CMD_QLEN)) { 427 rte_errno = EAGAIN; 428 return NULL; 429 } 430 431 fill_cpt_inst(instance, req, cpt_inst_w7); 432 433 CPT_LOG_DP_DEBUG("req: %p op: %p ", req, user_req->op); 434 435 /* Fill time_out cycles */ 436 user_req->time_out = rte_get_timer_cycles() + 437 DEFAULT_COMMAND_TIMEOUT * rte_get_timer_hz(); 438 user_req->extra_time = 0; 439 440 /* Default mode of software queue */ 441 mark_cpt_inst(instance); 442 443 CPT_LOG_DP_DEBUG("Submitted NB cmd with request: %p " 444 "op: %p", user_req, user_req->op); 445 return req; 446 } 447 448 static __rte_always_inline void * __rte_hot 449 otx_cpt_enq_single_asym(struct cpt_instance *instance, 450 struct rte_crypto_op *op, 451 struct pending_queue *pqueue) 452 { 453 struct cpt_qp_meta_info *minfo = &instance->meta_info; 454 struct rte_crypto_asym_op *asym_op = op->asym; 455 struct asym_op_params params = {0}; 456 struct cpt_asym_sess_misc *sess; 457 uintptr_t *cop; 458 void *mdata; 459 void *req; 460 int ret; 461 462 if (unlikely(rte_mempool_get(minfo->pool, &mdata) < 0)) { 463 CPT_LOG_DP_ERR("Could not allocate meta buffer for request"); 464 rte_errno = ENOMEM; 465 return NULL; 466 } 467 468 sess = get_asym_session_private_data(asym_op->session, 469 otx_cryptodev_driver_id); 470 471 /* Store phys_addr of the mdata to meta_buf */ 472 params.meta_buf = rte_mempool_virt2iova(mdata); 473 474 cop = mdata; 475 cop[0] = (uintptr_t)mdata; 476 cop[1] = (uintptr_t)op; 477 cop[2] = cop[3] = 0ULL; 478 479 params.req = RTE_PTR_ADD(cop, 4 * sizeof(uintptr_t)); 480 params.req->op = cop; 481 482 /* Adjust meta_buf by crypto_op data and request_info struct */ 483 params.meta_buf += (4 * sizeof(uintptr_t)) + 484 sizeof(struct cpt_request_info); 485 486 switch (sess->xfrm_type) { 487 case RTE_CRYPTO_ASYM_XFORM_MODEX: 488 ret = cpt_modex_prep(¶ms, &sess->mod_ctx); 489 if (unlikely(ret)) 490 goto req_fail; 491 break; 492 case RTE_CRYPTO_ASYM_XFORM_RSA: 493 ret = cpt_enqueue_rsa_op(op, ¶ms, sess); 494 if (unlikely(ret)) 495 goto req_fail; 496 break; 497 case RTE_CRYPTO_ASYM_XFORM_ECDSA: 498 ret = cpt_enqueue_ecdsa_op(op, ¶ms, sess, otx_fpm_iova); 499 if (unlikely(ret)) 500 goto req_fail; 501 break; 502 case RTE_CRYPTO_ASYM_XFORM_ECPM: 503 ret = cpt_ecpm_prep(&asym_op->ecpm, ¶ms, 504 sess->ec_ctx.curveid); 505 if (unlikely(ret)) 506 goto req_fail; 507 break; 508 509 default: 510 op->status = RTE_CRYPTO_OP_STATUS_INVALID_ARGS; 511 rte_errno = EINVAL; 512 goto req_fail; 513 } 514 515 req = otx_cpt_request_enqueue(instance, pqueue, params.req, 516 sess->cpt_inst_w7); 517 if (unlikely(req == NULL)) { 518 CPT_LOG_DP_ERR("Could not enqueue crypto req"); 519 goto req_fail; 520 } 521 522 return req; 523 524 req_fail: 525 free_op_meta(mdata, minfo->pool); 526 527 return NULL; 528 } 529 530 static __rte_always_inline void * __rte_hot 531 otx_cpt_enq_single_sym(struct cpt_instance *instance, 532 struct rte_crypto_op *op, 533 struct pending_queue *pqueue) 534 { 535 struct cpt_sess_misc *sess; 536 struct rte_crypto_sym_op *sym_op = op->sym; 537 struct cpt_request_info *prep_req; 538 void *mdata = NULL; 539 int ret = 0; 540 void *req; 541 uint64_t cpt_op; 542 543 sess = (struct cpt_sess_misc *) 544 get_sym_session_private_data(sym_op->session, 545 otx_cryptodev_driver_id); 546 547 cpt_op = sess->cpt_op; 548 549 if (likely(cpt_op & CPT_OP_CIPHER_MASK)) 550 ret = fill_fc_params(op, sess, &instance->meta_info, &mdata, 551 (void **)&prep_req); 552 else 553 ret = fill_digest_params(op, sess, &instance->meta_info, 554 &mdata, (void **)&prep_req); 555 556 if (unlikely(ret)) { 557 CPT_LOG_DP_ERR("prep cryto req : op %p, cpt_op 0x%x " 558 "ret 0x%x", op, (unsigned int)cpt_op, ret); 559 return NULL; 560 } 561 562 /* Enqueue prepared instruction to h/w */ 563 req = otx_cpt_request_enqueue(instance, pqueue, prep_req, 564 sess->cpt_inst_w7); 565 if (unlikely(req == NULL)) 566 /* Buffer allocated for request preparation need to be freed */ 567 free_op_meta(mdata, instance->meta_info.pool); 568 569 return req; 570 } 571 572 static __rte_always_inline void * __rte_hot 573 otx_cpt_enq_single_sym_sessless(struct cpt_instance *instance, 574 struct rte_crypto_op *op, 575 struct pending_queue *pend_q) 576 { 577 const int driver_id = otx_cryptodev_driver_id; 578 struct rte_crypto_sym_op *sym_op = op->sym; 579 struct rte_cryptodev_sym_session *sess; 580 void *req; 581 int ret; 582 583 /* Create temporary session */ 584 sess = rte_cryptodev_sym_session_create(instance->sess_mp); 585 if (sess == NULL) { 586 rte_errno = ENOMEM; 587 return NULL; 588 } 589 590 ret = sym_session_configure(driver_id, sym_op->xform, sess, 591 instance->sess_mp_priv); 592 if (ret) 593 goto sess_put; 594 595 sym_op->session = sess; 596 597 req = otx_cpt_enq_single_sym(instance, op, pend_q); 598 599 if (unlikely(req == NULL)) 600 goto priv_put; 601 602 return req; 603 604 priv_put: 605 sym_session_clear(driver_id, sess); 606 sess_put: 607 rte_mempool_put(instance->sess_mp, sess); 608 return NULL; 609 } 610 611 #define OP_TYPE_SYM 0 612 #define OP_TYPE_ASYM 1 613 614 static __rte_always_inline void *__rte_hot 615 otx_cpt_enq_single(struct cpt_instance *inst, 616 struct rte_crypto_op *op, 617 struct pending_queue *pqueue, 618 const uint8_t op_type) 619 { 620 /* Check for the type */ 621 622 if (op_type == OP_TYPE_SYM) { 623 if (op->sess_type == RTE_CRYPTO_OP_WITH_SESSION) 624 return otx_cpt_enq_single_sym(inst, op, pqueue); 625 else 626 return otx_cpt_enq_single_sym_sessless(inst, op, 627 pqueue); 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, pqueue); 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; 646 void *req; 647 struct cpt_vf *cptvf = (struct cpt_vf *)instance; 648 struct pending_queue *pqueue = &cptvf->pqueue; 649 650 count = DEFAULT_CMD_QLEN - pqueue->pending_count; 651 if (nb_ops > count) 652 nb_ops = count; 653 654 count = 0; 655 while (likely(count < nb_ops)) { 656 657 /* Enqueue single op */ 658 req = otx_cpt_enq_single(instance, ops[count], pqueue, op_type); 659 660 if (unlikely(req == NULL)) 661 break; 662 663 pqueue->req_queue[pqueue->enq_tail] = (uintptr_t)req; 664 MOD_INC(pqueue->enq_tail, DEFAULT_CMD_QLEN); 665 pqueue->pending_count += 1; 666 count++; 667 } 668 otx_cpt_ring_dbell(instance, count); 669 return count; 670 } 671 672 static uint16_t 673 otx_cpt_enqueue_asym(void *qptr, struct rte_crypto_op **ops, uint16_t nb_ops) 674 { 675 return otx_cpt_pkt_enqueue(qptr, ops, nb_ops, OP_TYPE_ASYM); 676 } 677 678 static uint16_t 679 otx_cpt_enqueue_sym(void *qptr, struct rte_crypto_op **ops, uint16_t nb_ops) 680 { 681 return otx_cpt_pkt_enqueue(qptr, ops, nb_ops, OP_TYPE_SYM); 682 } 683 684 static __rte_always_inline void 685 submit_request_to_sso(struct ssows *ws, uintptr_t req, 686 struct rte_event *rsp_info) 687 { 688 uint64_t add_work; 689 690 add_work = rsp_info->flow_id | (RTE_EVENT_TYPE_CRYPTODEV << 28) | 691 ((uint64_t)(rsp_info->sched_type) << 32); 692 693 if (!rsp_info->sched_type) 694 ssows_head_wait(ws); 695 696 rte_atomic_thread_fence(__ATOMIC_RELEASE); 697 ssovf_store_pair(add_work, req, ws->grps[rsp_info->queue_id]); 698 } 699 700 static inline union rte_event_crypto_metadata * 701 get_event_crypto_mdata(struct rte_crypto_op *op) 702 { 703 union rte_event_crypto_metadata *ec_mdata; 704 705 if (op->sess_type == RTE_CRYPTO_OP_WITH_SESSION) 706 ec_mdata = rte_cryptodev_sym_session_get_user_data( 707 op->sym->session); 708 else if (op->sess_type == RTE_CRYPTO_OP_SESSIONLESS && 709 op->private_data_offset) 710 ec_mdata = (union rte_event_crypto_metadata *) 711 ((uint8_t *)op + op->private_data_offset); 712 else 713 return NULL; 714 715 return ec_mdata; 716 } 717 718 uint16_t __rte_hot 719 otx_crypto_adapter_enqueue(void *port, struct rte_crypto_op *op) 720 { 721 union rte_event_crypto_metadata *ec_mdata; 722 struct cpt_instance *instance; 723 struct cpt_request_info *req; 724 struct rte_event *rsp_info; 725 uint8_t op_type, cdev_id; 726 uint16_t qp_id; 727 728 ec_mdata = get_event_crypto_mdata(op); 729 if (unlikely(ec_mdata == NULL)) { 730 rte_errno = EINVAL; 731 return 0; 732 } 733 734 cdev_id = ec_mdata->request_info.cdev_id; 735 qp_id = ec_mdata->request_info.queue_pair_id; 736 rsp_info = &ec_mdata->response_info; 737 instance = rte_cryptodevs[cdev_id].data->queue_pairs[qp_id]; 738 739 if (unlikely(!instance->ca_enabled)) { 740 rte_errno = EINVAL; 741 return 0; 742 } 743 744 op_type = op->type == RTE_CRYPTO_OP_TYPE_SYMMETRIC ? OP_TYPE_SYM : 745 OP_TYPE_ASYM; 746 req = otx_cpt_enq_single(instance, op, 747 &((struct cpt_vf *)instance)->pqueue, op_type); 748 if (unlikely(req == NULL)) 749 return 0; 750 751 otx_cpt_ring_dbell(instance, 1); 752 req->qp = instance; 753 submit_request_to_sso(port, (uintptr_t)req, rsp_info); 754 755 return 1; 756 } 757 758 static inline void 759 otx_cpt_asym_rsa_op(struct rte_crypto_op *cop, struct cpt_request_info *req, 760 struct rte_crypto_rsa_xform *rsa_ctx) 761 762 { 763 struct rte_crypto_rsa_op_param *rsa = &cop->asym->rsa; 764 765 switch (rsa->op_type) { 766 case RTE_CRYPTO_ASYM_OP_ENCRYPT: 767 rsa->cipher.length = rsa_ctx->n.length; 768 memcpy(rsa->cipher.data, req->rptr, rsa->cipher.length); 769 break; 770 case RTE_CRYPTO_ASYM_OP_DECRYPT: 771 if (rsa->pad == RTE_CRYPTO_RSA_PADDING_NONE) 772 rsa->message.length = rsa_ctx->n.length; 773 else { 774 /* Get length of decrypted output */ 775 rsa->message.length = rte_cpu_to_be_16 776 (*((uint16_t *)req->rptr)); 777 778 /* Offset data pointer by length fields */ 779 req->rptr += 2; 780 } 781 memcpy(rsa->message.data, req->rptr, rsa->message.length); 782 break; 783 case RTE_CRYPTO_ASYM_OP_SIGN: 784 rsa->sign.length = rsa_ctx->n.length; 785 memcpy(rsa->sign.data, req->rptr, rsa->sign.length); 786 break; 787 case RTE_CRYPTO_ASYM_OP_VERIFY: 788 if (rsa->pad == RTE_CRYPTO_RSA_PADDING_NONE) 789 rsa->sign.length = rsa_ctx->n.length; 790 else { 791 /* Get length of decrypted output */ 792 rsa->sign.length = rte_cpu_to_be_16 793 (*((uint16_t *)req->rptr)); 794 795 /* Offset data pointer by length fields */ 796 req->rptr += 2; 797 } 798 memcpy(rsa->sign.data, req->rptr, rsa->sign.length); 799 800 if (memcmp(rsa->sign.data, rsa->message.data, 801 rsa->message.length)) { 802 CPT_LOG_DP_ERR("RSA verification failed"); 803 cop->status = RTE_CRYPTO_OP_STATUS_ERROR; 804 } 805 break; 806 default: 807 CPT_LOG_DP_DEBUG("Invalid RSA operation type"); 808 cop->status = RTE_CRYPTO_OP_STATUS_INVALID_ARGS; 809 break; 810 } 811 } 812 813 static __rte_always_inline void 814 otx_cpt_asym_dequeue_ecdsa_op(struct rte_crypto_ecdsa_op_param *ecdsa, 815 struct cpt_request_info *req, 816 struct cpt_asym_ec_ctx *ec) 817 818 { 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 otx_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 __rte_always_inline void __rte_hot 847 otx_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 otx_cryptodev_driver_id); 855 856 switch (sess->xfrm_type) { 857 case RTE_CRYPTO_ASYM_XFORM_RSA: 858 otx_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 otx_cpt_asym_dequeue_ecdsa_op(&op->ecdsa, req, &sess->ec_ctx); 867 break; 868 case RTE_CRYPTO_ASYM_XFORM_ECPM: 869 otx_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 __rte_always_inline void __rte_hot 879 otx_cpt_dequeue_post_process(struct rte_crypto_op *cop, uintptr_t *rsp, 880 const uint8_t op_type) 881 { 882 /* H/w has returned success */ 883 cop->status = RTE_CRYPTO_OP_STATUS_SUCCESS; 884 885 /* Perform further post processing */ 886 887 if ((op_type == OP_TYPE_SYM) && 888 (cop->type == RTE_CRYPTO_OP_TYPE_SYMMETRIC)) { 889 /* Check if auth verify need to be completed */ 890 if (unlikely(rsp[2])) 891 compl_auth_verify(cop, (uint8_t *)rsp[2], rsp[3]); 892 return; 893 } 894 895 if ((op_type == OP_TYPE_ASYM) && 896 (cop->type == RTE_CRYPTO_OP_TYPE_ASYMMETRIC)) { 897 rsp = RTE_PTR_ADD(rsp, 4 * sizeof(uintptr_t)); 898 otx_cpt_asym_post_process(cop, (struct cpt_request_info *)rsp); 899 } 900 901 return; 902 } 903 904 static inline void 905 free_sym_session_data(const struct cpt_instance *instance, 906 struct rte_crypto_op *cop) 907 { 908 void *sess_private_data_t = get_sym_session_private_data( 909 cop->sym->session, otx_cryptodev_driver_id); 910 memset(sess_private_data_t, 0, cpt_get_session_size()); 911 memset(cop->sym->session, 0, 912 rte_cryptodev_sym_get_existing_header_session_size( 913 cop->sym->session)); 914 rte_mempool_put(instance->sess_mp_priv, sess_private_data_t); 915 rte_mempool_put(instance->sess_mp, cop->sym->session); 916 cop->sym->session = NULL; 917 } 918 919 static __rte_always_inline struct rte_crypto_op * 920 otx_cpt_process_response(const struct cpt_instance *instance, uintptr_t *rsp, 921 uint8_t cc, const uint8_t op_type) 922 { 923 struct rte_crypto_op *cop; 924 void *metabuf; 925 926 metabuf = (void *)rsp[0]; 927 cop = (void *)rsp[1]; 928 929 /* Check completion code */ 930 if (likely(cc == 0)) { 931 /* H/w success pkt. Post process */ 932 otx_cpt_dequeue_post_process(cop, rsp, op_type); 933 } else if (cc == ERR_GC_ICV_MISCOMPARE) { 934 /* auth data mismatch */ 935 cop->status = RTE_CRYPTO_OP_STATUS_AUTH_FAILED; 936 } else { 937 /* Error */ 938 cop->status = RTE_CRYPTO_OP_STATUS_ERROR; 939 } 940 941 if (unlikely(cop->sess_type == RTE_CRYPTO_OP_SESSIONLESS)) 942 free_sym_session_data(instance, cop); 943 free_op_meta(metabuf, instance->meta_info.pool); 944 945 return cop; 946 } 947 948 static __rte_always_inline uint16_t __rte_hot 949 otx_cpt_pkt_dequeue(void *qptr, struct rte_crypto_op **ops, uint16_t nb_ops, 950 const uint8_t op_type) 951 { 952 struct cpt_instance *instance = (struct cpt_instance *)qptr; 953 struct cpt_request_info *user_req; 954 struct cpt_vf *cptvf = (struct cpt_vf *)instance; 955 uint8_t cc[nb_ops]; 956 int i, count, pcount; 957 uint8_t ret; 958 int nb_completed; 959 struct pending_queue *pqueue = &cptvf->pqueue; 960 961 pcount = pqueue->pending_count; 962 count = (nb_ops > pcount) ? pcount : nb_ops; 963 964 for (i = 0; i < count; i++) { 965 user_req = (struct cpt_request_info *) 966 pqueue->req_queue[pqueue->deq_head]; 967 968 if (likely((i+1) < count)) { 969 rte_prefetch_non_temporal( 970 (void *)pqueue->req_queue[i+1]); 971 } 972 973 ret = check_nb_command_id(user_req, instance); 974 975 if (unlikely(ret == ERR_REQ_PENDING)) { 976 /* Stop checking for completions */ 977 break; 978 } 979 980 /* Return completion code and op handle */ 981 cc[i] = ret; 982 ops[i] = user_req->op; 983 984 CPT_LOG_DP_DEBUG("Request %p Op %p completed with code %d", 985 user_req, user_req->op, ret); 986 987 MOD_INC(pqueue->deq_head, DEFAULT_CMD_QLEN); 988 pqueue->pending_count -= 1; 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 } 1164