lib/eventdev/rte_event_crypto_adapter.c

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2018 Intel Corporation.
   3  * All rights reserved.
   4  */
   5
   6 #include <string.h>
   7 #include <stdbool.h>
   8 #include <rte_common.h>
   9 #include <rte_dev.h>
  10 #include <rte_errno.h>
  11 #include <rte_cryptodev.h>
  12 #include <cryptodev_pmd.h>
  13 #include <rte_log.h>
  14 #include <rte_malloc.h>
  15 #include <rte_service_component.h>
  16
  17 #include "rte_eventdev.h"
  18 #include "eventdev_pmd.h"
  19 #include "eventdev_trace.h"
  20 #include "rte_event_crypto_adapter.h"
  21
  22 #define BATCH_SIZE 32
  23 #define DEFAULT_MAX_NB 128
  24 #define CRYPTO_ADAPTER_NAME_LEN 32
  25 #define CRYPTO_ADAPTER_MEM_NAME_LEN 32
  26 #define CRYPTO_ADAPTER_MAX_EV_ENQ_RETRIES 100
  27
  28 /* Flush an instance's enqueue buffers every CRYPTO_ENQ_FLUSH_THRESHOLD
  29  * iterations of eca_crypto_adapter_enq_run()
  30  */
  31 #define CRYPTO_ENQ_FLUSH_THRESHOLD 1024
  32
  33 struct event_crypto_adapter {
  34         /* Event device identifier */
  35         uint8_t eventdev_id;
  36         /* Event port identifier */
  37         uint8_t event_port_id;
  38         /* Store event device's implicit release capability */
  39         uint8_t implicit_release_disabled;
  40         /* Max crypto ops processed in any service function invocation */
  41         uint32_t max_nb;
  42         /* Lock to serialize config updates with service function */
  43         rte_spinlock_t lock;
  44         /* Next crypto device to be processed */
  45         uint16_t next_cdev_id;
  46         /* Per crypto device structure */
  47         struct crypto_device_info *cdevs;
  48         /* Loop counter to flush crypto ops */
  49         uint16_t transmit_loop_count;
  50         /* Per instance stats structure */
  51         struct rte_event_crypto_adapter_stats crypto_stats;
  52         /* Configuration callback for rte_service configuration */
  53         rte_event_crypto_adapter_conf_cb conf_cb;
  54         /* Configuration callback argument */
  55         void *conf_arg;
  56         /* Set if  default_cb is being used */
  57         int default_cb_arg;
  58         /* Service initialization state */
  59         uint8_t service_inited;
  60         /* Memory allocation name */
  61         char mem_name[CRYPTO_ADAPTER_MEM_NAME_LEN];
  62         /* Socket identifier cached from eventdev */
  63         int socket_id;
  64         /* Per adapter EAL service */
  65         uint32_t service_id;
  66         /* No. of queue pairs configured */
  67         uint16_t nb_qps;
  68         /* Adapter mode */
  69         enum rte_event_crypto_adapter_mode mode;
  70 } __rte_cache_aligned;
  71
  72 /* Per crypto device information */
  73 struct crypto_device_info {
  74         /* Pointer to cryptodev */
  75         struct rte_cryptodev *dev;
  76         /* Pointer to queue pair info */
  77         struct crypto_queue_pair_info *qpairs;
  78         /* Next queue pair to be processed */
  79         uint16_t next_queue_pair_id;
  80         /* Set to indicate cryptodev->eventdev packet
  81          * transfer uses a hardware mechanism
  82          */
  83         uint8_t internal_event_port;
  84         /* Set to indicate processing has been started */
  85         uint8_t dev_started;
  86         /* If num_qpairs > 0, the start callback will
  87          * be invoked if not already invoked
  88          */
  89         uint16_t num_qpairs;
  90 } __rte_cache_aligned;
  91
  92 /* Per queue pair information */
  93 struct crypto_queue_pair_info {
  94         /* Set to indicate queue pair is enabled */
  95         bool qp_enabled;
  96         /* Pointer to hold rte_crypto_ops for batching */
  97         struct rte_crypto_op **op_buffer;
  98         /* No of crypto ops accumulated */
  99         uint8_t len;
 100 } __rte_cache_aligned;
 101
 102 static struct event_crypto_adapter **event_crypto_adapter;
 103
 104 /* Macros to check for valid adapter */
 105 #define EVENT_CRYPTO_ADAPTER_ID_VALID_OR_ERR_RET(id, retval) do { \
 106         if (!eca_valid_id(id)) { \
 107                 RTE_EDEV_LOG_ERR("Invalid crypto adapter id = %d\n", id); \
 108                 return retval; \
 109         } \
 110 } while (0)
 111
 112 static inline int
 113 eca_valid_id(uint8_t id)
 114 {
 115         return id < RTE_EVENT_CRYPTO_ADAPTER_MAX_INSTANCE;
 116 }
 117
 118 static int
 119 eca_init(void)
 120 {
 121         const char *name = "crypto_adapter_array";
 122         const struct rte_memzone *mz;
 123         unsigned int sz;
 124
 125         sz = sizeof(*event_crypto_adapter) *
 126             RTE_EVENT_CRYPTO_ADAPTER_MAX_INSTANCE;
 127         sz = RTE_ALIGN(sz, RTE_CACHE_LINE_SIZE);
 128
 129         mz = rte_memzone_lookup(name);
 130         if (mz == NULL) {
 131                 mz = rte_memzone_reserve_aligned(name, sz, rte_socket_id(), 0,
 132                                                  RTE_CACHE_LINE_SIZE);
 133                 if (mz == NULL) {
 134                         RTE_EDEV_LOG_ERR("failed to reserve memzone err = %"
 135                                         PRId32, rte_errno);
 136                         return -rte_errno;
 137                 }
 138         }
 139
 140         event_crypto_adapter = mz->addr;
 141         return 0;
 142 }
 143
 144 static inline struct event_crypto_adapter *
 145 eca_id_to_adapter(uint8_t id)
 146 {
 147         return event_crypto_adapter ?
 148                 event_crypto_adapter[id] : NULL;
 149 }
 150
 151 static int
 152 eca_default_config_cb(uint8_t id, uint8_t dev_id,
 153                         struct rte_event_crypto_adapter_conf *conf, void *arg)
 154 {
 155         struct rte_event_dev_config dev_conf;
 156         struct rte_eventdev *dev;
 157         uint8_t port_id;
 158         int started;
 159         int ret;
 160         struct rte_event_port_conf *port_conf = arg;
 161         struct event_crypto_adapter *adapter = eca_id_to_adapter(id);
 162
 163         if (adapter == NULL)
 164                 return -EINVAL;
 165
 166         dev = &rte_eventdevs[adapter->eventdev_id];
 167         dev_conf = dev->data->dev_conf;
 168
 169         started = dev->data->dev_started;
 170         if (started)
 171                 rte_event_dev_stop(dev_id);
 172         port_id = dev_conf.nb_event_ports;
 173         dev_conf.nb_event_ports += 1;
 174         ret = rte_event_dev_configure(dev_id, &dev_conf);
 175         if (ret) {
 176                 RTE_EDEV_LOG_ERR("failed to configure event dev %u\n", dev_id);
 177                 if (started) {
 178                         if (rte_event_dev_start(dev_id))
 179                                 return -EIO;
 180                 }
 181                 return ret;
 182         }
 183
 184         ret = rte_event_port_setup(dev_id, port_id, port_conf);
 185         if (ret) {
 186                 RTE_EDEV_LOG_ERR("failed to setup event port %u\n", port_id);
 187                 return ret;
 188         }
 189
 190         conf->event_port_id = port_id;
 191         conf->max_nb = DEFAULT_MAX_NB;
 192         if (started)
 193                 ret = rte_event_dev_start(dev_id);
 194
 195         adapter->default_cb_arg = 1;
 196         return ret;
 197 }
 198
 199 int
 200 rte_event_crypto_adapter_create_ext(uint8_t id, uint8_t dev_id,
 201                                 rte_event_crypto_adapter_conf_cb conf_cb,
 202                                 enum rte_event_crypto_adapter_mode mode,
 203                                 void *conf_arg)
 204 {
 205         struct event_crypto_adapter *adapter;
 206         char mem_name[CRYPTO_ADAPTER_NAME_LEN];
 207         struct rte_event_dev_info dev_info;
 208         int socket_id;
 209         uint8_t i;
 210         int ret;
 211
 212         EVENT_CRYPTO_ADAPTER_ID_VALID_OR_ERR_RET(id, -EINVAL);
 213         RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL);
 214         if (conf_cb == NULL)
 215                 return -EINVAL;
 216
 217         if (event_crypto_adapter == NULL) {
 218                 ret = eca_init();
 219                 if (ret)
 220                         return ret;
 221         }
 222
 223         adapter = eca_id_to_adapter(id);
 224         if (adapter != NULL) {
 225                 RTE_EDEV_LOG_ERR("Crypto adapter id %u already exists!", id);
 226                 return -EEXIST;
 227         }
 228
 229         socket_id = rte_event_dev_socket_id(dev_id);
 230         snprintf(mem_name, CRYPTO_ADAPTER_MEM_NAME_LEN,
 231                  "rte_event_crypto_adapter_%d", id);
 232
 233         adapter = rte_zmalloc_socket(mem_name, sizeof(*adapter),
 234                         RTE_CACHE_LINE_SIZE, socket_id);
 235         if (adapter == NULL) {
 236                 RTE_EDEV_LOG_ERR("Failed to get mem for event crypto adapter!");
 237                 return -ENOMEM;
 238         }
 239
 240         ret = rte_event_dev_info_get(dev_id, &dev_info);
 241         if (ret < 0) {
 242                 RTE_EDEV_LOG_ERR("Failed to get info for eventdev %d: %s!",
 243                                  dev_id, dev_info.driver_name);
 244                 rte_free(adapter);
 245                 return ret;
 246         }
 247
 248         adapter->implicit_release_disabled = (dev_info.event_dev_cap &
 249                         RTE_EVENT_DEV_CAP_IMPLICIT_RELEASE_DISABLE);
 250         adapter->eventdev_id = dev_id;
 251         adapter->socket_id = socket_id;
 252         adapter->conf_cb = conf_cb;
 253         adapter->conf_arg = conf_arg;
 254         adapter->mode = mode;
 255         strcpy(adapter->mem_name, mem_name);
 256         adapter->cdevs = rte_zmalloc_socket(adapter->mem_name,
 257                                         rte_cryptodev_count() *
 258                                         sizeof(struct crypto_device_info), 0,
 259                                         socket_id);
 260         if (adapter->cdevs == NULL) {
 261                 RTE_EDEV_LOG_ERR("Failed to get mem for crypto devices\n");
 262                 rte_free(adapter);
 263                 return -ENOMEM;
 264         }
 265
 266         rte_spinlock_init(&adapter->lock);
 267         for (i = 0; i < rte_cryptodev_count(); i++)
 268                 adapter->cdevs[i].dev = rte_cryptodev_pmd_get_dev(i);
 269
 270         event_crypto_adapter[id] = adapter;
 271
 272         rte_eventdev_trace_crypto_adapter_create(id, dev_id, adapter, conf_arg,
 273                 mode);
 274         return 0;
 275 }
 276
 277
 278 int
 279 rte_event_crypto_adapter_create(uint8_t id, uint8_t dev_id,
 280                                 struct rte_event_port_conf *port_config,
 281                                 enum rte_event_crypto_adapter_mode mode)
 282 {
 283         struct rte_event_port_conf *pc;
 284         int ret;
 285
 286         if (port_config == NULL)
 287                 return -EINVAL;
 288         EVENT_CRYPTO_ADAPTER_ID_VALID_OR_ERR_RET(id, -EINVAL);
 289
 290         pc = rte_malloc(NULL, sizeof(*pc), 0);
 291         if (pc == NULL)
 292                 return -ENOMEM;
 293         *pc = *port_config;
 294         ret = rte_event_crypto_adapter_create_ext(id, dev_id,
 295                                                   eca_default_config_cb,
 296                                                   mode,
 297                                                   pc);
 298         if (ret)
 299                 rte_free(pc);
 300
 301         return ret;
 302 }
 303
 304 int
 305 rte_event_crypto_adapter_free(uint8_t id)
 306 {
 307         struct event_crypto_adapter *adapter;
 308
 309         EVENT_CRYPTO_ADAPTER_ID_VALID_OR_ERR_RET(id, -EINVAL);
 310
 311         adapter = eca_id_to_adapter(id);
 312         if (adapter == NULL)
 313                 return -EINVAL;
 314
 315         if (adapter->nb_qps) {
 316                 RTE_EDEV_LOG_ERR("%" PRIu16 "Queue pairs not deleted",
 317                                 adapter->nb_qps);
 318                 return -EBUSY;
 319         }
 320
 321         rte_eventdev_trace_crypto_adapter_free(id, adapter);
 322         if (adapter->default_cb_arg)
 323                 rte_free(adapter->conf_arg);
 324         rte_free(adapter->cdevs);
 325         rte_free(adapter);
 326         event_crypto_adapter[id] = NULL;
 327
 328         return 0;
 329 }
 330
 331 static inline unsigned int
 332 eca_enq_to_cryptodev(struct event_crypto_adapter *adapter, struct rte_event *ev,
 333                      unsigned int cnt)
 334 {
 335         struct rte_event_crypto_adapter_stats *stats = &adapter->crypto_stats;
 336         union rte_event_crypto_metadata *m_data = NULL;
 337         struct crypto_queue_pair_info *qp_info = NULL;
 338         struct rte_crypto_op *crypto_op;
 339         unsigned int i, n;
 340         uint16_t qp_id, len, ret;
 341         uint8_t cdev_id;
 342
 343         len = 0;
 344         ret = 0;
 345         n = 0;
 346         stats->event_deq_count += cnt;
 347
 348         for (i = 0; i < cnt; i++) {
 349                 crypto_op = ev[i].event_ptr;
 350                 if (crypto_op == NULL)
 351                         continue;
 352                 if (crypto_op->sess_type == RTE_CRYPTO_OP_WITH_SESSION) {
 353                         m_data = rte_cryptodev_sym_session_get_user_data(
 354                                         crypto_op->sym->session);
 355                         if (m_data == NULL) {
 356                                 rte_pktmbuf_free(crypto_op->sym->m_src);
 357                                 rte_crypto_op_free(crypto_op);
 358                                 continue;
 359                         }
 360
 361                         cdev_id = m_data->request_info.cdev_id;
 362                         qp_id = m_data->request_info.queue_pair_id;
 363                         qp_info = &adapter->cdevs[cdev_id].qpairs[qp_id];
 364                         if (!qp_info->qp_enabled) {
 365                                 rte_pktmbuf_free(crypto_op->sym->m_src);
 366                                 rte_crypto_op_free(crypto_op);
 367                                 continue;
 368                         }
 369                         len = qp_info->len;
 370                         qp_info->op_buffer[len] = crypto_op;
 371                         len++;
 372                 } else if (crypto_op->sess_type == RTE_CRYPTO_OP_SESSIONLESS &&
 373                                 crypto_op->private_data_offset) {
 374                         m_data = (union rte_event_crypto_metadata *)
 375                                  ((uint8_t *)crypto_op +
 376                                         crypto_op->private_data_offset);
 377                         cdev_id = m_data->request_info.cdev_id;
 378                         qp_id = m_data->request_info.queue_pair_id;
 379                         qp_info = &adapter->cdevs[cdev_id].qpairs[qp_id];
 380                         if (!qp_info->qp_enabled) {
 381                                 rte_pktmbuf_free(crypto_op->sym->m_src);
 382                                 rte_crypto_op_free(crypto_op);
 383                                 continue;
 384                         }
 385                         len = qp_info->len;
 386                         qp_info->op_buffer[len] = crypto_op;
 387                         len++;
 388                 } else {
 389                         rte_pktmbuf_free(crypto_op->sym->m_src);
 390                         rte_crypto_op_free(crypto_op);
 391                         continue;
 392                 }
 393
 394                 if (len == BATCH_SIZE) {
 395                         struct rte_crypto_op **op_buffer = qp_info->op_buffer;
 396                         ret = rte_cryptodev_enqueue_burst(cdev_id,
 397                                                           qp_id,
 398                                                           op_buffer,
 399                                                           BATCH_SIZE);
 400
 401                         stats->crypto_enq_count += ret;
 402
 403                         while (ret < len) {
 404                                 struct rte_crypto_op *op;
 405                                 op = op_buffer[ret++];
 406                                 stats->crypto_enq_fail++;
 407                                 rte_pktmbuf_free(op->sym->m_src);
 408                                 rte_crypto_op_free(op);
 409                         }
 410
 411                         len = 0;
 412                 }
 413
 414                 if (qp_info)
 415                         qp_info->len = len;
 416                 n += ret;
 417         }
 418
 419         return n;
 420 }
 421
 422 static unsigned int
 423 eca_crypto_enq_flush(struct event_crypto_adapter *adapter)
 424 {
 425         struct rte_event_crypto_adapter_stats *stats = &adapter->crypto_stats;
 426         struct crypto_device_info *curr_dev;
 427         struct crypto_queue_pair_info *curr_queue;
 428         struct rte_crypto_op **op_buffer;
 429         struct rte_cryptodev *dev;
 430         uint8_t cdev_id;
 431         uint16_t qp;
 432         uint16_t ret;
 433         uint16_t num_cdev = rte_cryptodev_count();
 434
 435         ret = 0;
 436         for (cdev_id = 0; cdev_id < num_cdev; cdev_id++) {
 437                 curr_dev = &adapter->cdevs[cdev_id];
 438                 dev = curr_dev->dev;
 439                 if (dev == NULL)
 440                         continue;
 441                 for (qp = 0; qp < dev->data->nb_queue_pairs; qp++) {
 442
 443                         curr_queue = &curr_dev->qpairs[qp];
 444                         if (!curr_queue->qp_enabled)
 445                                 continue;
 446
 447                         op_buffer = curr_queue->op_buffer;
 448                         ret = rte_cryptodev_enqueue_burst(cdev_id,
 449                                                           qp,
 450                                                           op_buffer,
 451                                                           curr_queue->len);
 452                         stats->crypto_enq_count += ret;
 453
 454                         while (ret < curr_queue->len) {
 455                                 struct rte_crypto_op *op;
 456                                 op = op_buffer[ret++];
 457                                 stats->crypto_enq_fail++;
 458                                 rte_pktmbuf_free(op->sym->m_src);
 459                                 rte_crypto_op_free(op);
 460                         }
 461                         curr_queue->len = 0;
 462                 }
 463         }
 464
 465         return ret;
 466 }
 467
 468 static int
 469 eca_crypto_adapter_enq_run(struct event_crypto_adapter *adapter,
 470                            unsigned int max_enq)
 471 {
 472         struct rte_event_crypto_adapter_stats *stats = &adapter->crypto_stats;
 473         struct rte_event ev[BATCH_SIZE];
 474         unsigned int nb_enq, nb_enqueued;
 475         uint16_t n;
 476         uint8_t event_dev_id = adapter->eventdev_id;
 477         uint8_t event_port_id = adapter->event_port_id;
 478
 479         nb_enqueued = 0;
 480         if (adapter->mode == RTE_EVENT_CRYPTO_ADAPTER_OP_NEW)
 481                 return 0;
 482
 483         for (nb_enq = 0; nb_enq < max_enq; nb_enq += n) {
 484                 stats->event_poll_count++;
 485                 n = rte_event_dequeue_burst(event_dev_id,
 486                                             event_port_id, ev, BATCH_SIZE, 0);
 487
 488                 if (!n)
 489                         break;
 490
 491                 nb_enqueued += eca_enq_to_cryptodev(adapter, ev, n);
 492         }
 493
 494         if ((++adapter->transmit_loop_count &
 495                 (CRYPTO_ENQ_FLUSH_THRESHOLD - 1)) == 0) {
 496                 nb_enqueued += eca_crypto_enq_flush(adapter);
 497         }
 498
 499         return nb_enqueued;
 500 }
 501
 502 static inline void
 503 eca_ops_enqueue_burst(struct event_crypto_adapter *adapter,
 504                       struct rte_crypto_op **ops, uint16_t num)
 505 {
 506         struct rte_event_crypto_adapter_stats *stats = &adapter->crypto_stats;
 507         union rte_event_crypto_metadata *m_data = NULL;
 508         uint8_t event_dev_id = adapter->eventdev_id;
 509         uint8_t event_port_id = adapter->event_port_id;
 510         struct rte_event events[BATCH_SIZE];
 511         uint16_t nb_enqueued, nb_ev;
 512         uint8_t retry;
 513         uint8_t i;
 514
 515         nb_ev = 0;
 516         retry = 0;
 517         nb_enqueued = 0;
 518         num = RTE_MIN(num, BATCH_SIZE);
 519         for (i = 0; i < num; i++) {
 520                 struct rte_event *ev = &events[nb_ev++];
 521                 if (ops[i]->sess_type == RTE_CRYPTO_OP_WITH_SESSION) {
 522                         m_data = rte_cryptodev_sym_session_get_user_data(
 523                                         ops[i]->sym->session);
 524                 } else if (ops[i]->sess_type == RTE_CRYPTO_OP_SESSIONLESS &&
 525                                 ops[i]->private_data_offset) {
 526                         m_data = (union rte_event_crypto_metadata *)
 527                                  ((uint8_t *)ops[i] +
 528                                   ops[i]->private_data_offset);
 529                 }
 530
 531                 if (unlikely(m_data == NULL)) {
 532                         rte_pktmbuf_free(ops[i]->sym->m_src);
 533                         rte_crypto_op_free(ops[i]);
 534                         continue;
 535                 }
 536
 537                 rte_memcpy(ev, &m_data->response_info, sizeof(*ev));
 538                 ev->event_ptr = ops[i];
 539                 ev->event_type = RTE_EVENT_TYPE_CRYPTODEV;
 540                 if (adapter->implicit_release_disabled)
 541                         ev->op = RTE_EVENT_OP_FORWARD;
 542                 else
 543                         ev->op = RTE_EVENT_OP_NEW;
 544         }
 545
 546         do {
 547                 nb_enqueued += rte_event_enqueue_burst(event_dev_id,
 548                                                   event_port_id,
 549                                                   &events[nb_enqueued],
 550                                                   nb_ev - nb_enqueued);
 551         } while (retry++ < CRYPTO_ADAPTER_MAX_EV_ENQ_RETRIES &&
 552                  nb_enqueued < nb_ev);
 553
 554         /* Free mbufs and rte_crypto_ops for failed events */
 555         for (i = nb_enqueued; i < nb_ev; i++) {
 556                 struct rte_crypto_op *op = events[i].event_ptr;
 557                 rte_pktmbuf_free(op->sym->m_src);
 558                 rte_crypto_op_free(op);
 559         }
 560
 561         stats->event_enq_fail_count += nb_ev - nb_enqueued;
 562         stats->event_enq_count += nb_enqueued;
 563         stats->event_enq_retry_count += retry - 1;
 564 }
 565
 566 static inline unsigned int
 567 eca_crypto_adapter_deq_run(struct event_crypto_adapter *adapter,
 568                            unsigned int max_deq)
 569 {
 570         struct rte_event_crypto_adapter_stats *stats = &adapter->crypto_stats;
 571         struct crypto_device_info *curr_dev;
 572         struct crypto_queue_pair_info *curr_queue;
 573         struct rte_crypto_op *ops[BATCH_SIZE];
 574         uint16_t n, nb_deq;
 575         struct rte_cryptodev *dev;
 576         uint8_t cdev_id;
 577         uint16_t qp, dev_qps;
 578         bool done;
 579         uint16_t num_cdev = rte_cryptodev_count();
 580
 581         nb_deq = 0;
 582         do {
 583                 uint16_t queues = 0;
 584                 done = true;
 585
 586                 for (cdev_id = adapter->next_cdev_id;
 587                         cdev_id < num_cdev; cdev_id++) {
 588                         curr_dev = &adapter->cdevs[cdev_id];
 589                         dev = curr_dev->dev;
 590                         if (dev == NULL)
 591                                 continue;
 592                         dev_qps = dev->data->nb_queue_pairs;
 593
 594                         for (qp = curr_dev->next_queue_pair_id;
 595                                 queues < dev_qps; qp = (qp + 1) % dev_qps,
 596                                 queues++) {
 597
 598                                 curr_queue = &curr_dev->qpairs[qp];
 599                                 if (!curr_queue->qp_enabled)
 600                                         continue;
 601
 602                                 n = rte_cryptodev_dequeue_burst(cdev_id, qp,
 603                                         ops, BATCH_SIZE);
 604                                 if (!n)
 605                                         continue;
 606
 607                                 done = false;
 608                                 stats->crypto_deq_count += n;
 609                                 eca_ops_enqueue_burst(adapter, ops, n);
 610                                 nb_deq += n;
 611
 612                                 if (nb_deq > max_deq) {
 613                                         if ((qp + 1) == dev_qps) {
 614                                                 adapter->next_cdev_id =
 615                                                         (cdev_id + 1)
 616                                                         % num_cdev;
 617                                         }
 618                                         curr_dev->next_queue_pair_id = (qp + 1)
 619                                                 % dev->data->nb_queue_pairs;
 620
 621                                         return nb_deq;
 622                                 }
 623                         }
 624                 }
 625         } while (done == false);
 626         return nb_deq;
 627 }
 628
 629 static void
 630 eca_crypto_adapter_run(struct event_crypto_adapter *adapter,
 631                        unsigned int max_ops)
 632 {
 633         unsigned int ops_left = max_ops;
 634
 635         while (ops_left > 0) {
 636                 unsigned int e_cnt, d_cnt;
 637
 638                 e_cnt = eca_crypto_adapter_deq_run(adapter, ops_left);
 639                 ops_left -= RTE_MIN(ops_left, e_cnt);
 640
 641                 d_cnt = eca_crypto_adapter_enq_run(adapter, ops_left);
 642                 ops_left -= RTE_MIN(ops_left, d_cnt);
 643
 644                 if (e_cnt == 0 && d_cnt == 0)
 645                         break;
 646
 647         }
 648
 649         if (ops_left == max_ops)
 650                 rte_event_maintain(adapter->eventdev_id,
 651                                    adapter->event_port_id, 0);
 652 }
 653
 654 static int
 655 eca_service_func(void *args)
 656 {
 657         struct event_crypto_adapter *adapter = args;
 658
 659         if (rte_spinlock_trylock(&adapter->lock) == 0)
 660                 return 0;
 661         eca_crypto_adapter_run(adapter, adapter->max_nb);
 662         rte_spinlock_unlock(&adapter->lock);
 663
 664         return 0;
 665 }
 666
 667 static int
 668 eca_init_service(struct event_crypto_adapter *adapter, uint8_t id)
 669 {
 670         struct rte_event_crypto_adapter_conf adapter_conf;
 671         struct rte_service_spec service;
 672         int ret;
 673
 674         if (adapter->service_inited)
 675                 return 0;
 676
 677         memset(&service, 0, sizeof(service));
 678         snprintf(service.name, CRYPTO_ADAPTER_NAME_LEN,
 679                 "rte_event_crypto_adapter_%d", id);
 680         service.socket_id = adapter->socket_id;
 681         service.callback = eca_service_func;
 682         service.callback_userdata = adapter;
 683         /* Service function handles locking for queue add/del updates */
 684         service.capabilities = RTE_SERVICE_CAP_MT_SAFE;
 685         ret = rte_service_component_register(&service, &adapter->service_id);
 686         if (ret) {
 687                 RTE_EDEV_LOG_ERR("failed to register service %s err = %" PRId32,
 688                         service.name, ret);
 689                 return ret;
 690         }
 691
 692         ret = adapter->conf_cb(id, adapter->eventdev_id,
 693                 &adapter_conf, adapter->conf_arg);
 694         if (ret) {
 695                 RTE_EDEV_LOG_ERR("configuration callback failed err = %" PRId32,
 696                         ret);
 697                 return ret;
 698         }
 699
 700         adapter->max_nb = adapter_conf.max_nb;
 701         adapter->event_port_id = adapter_conf.event_port_id;
 702         adapter->service_inited = 1;
 703
 704         return ret;
 705 }
 706
 707 static void
 708 eca_update_qp_info(struct event_crypto_adapter *adapter,
 709                    struct crypto_device_info *dev_info, int32_t queue_pair_id,
 710                    uint8_t add)
 711 {
 712         struct crypto_queue_pair_info *qp_info;
 713         int enabled;
 714         uint16_t i;
 715
 716         if (dev_info->qpairs == NULL)
 717                 return;
 718
 719         if (queue_pair_id == -1) {
 720                 for (i = 0; i < dev_info->dev->data->nb_queue_pairs; i++)
 721                         eca_update_qp_info(adapter, dev_info, i, add);
 722         } else {
 723                 qp_info = &dev_info->qpairs[queue_pair_id];
 724                 enabled = qp_info->qp_enabled;
 725                 if (add) {
 726                         adapter->nb_qps += !enabled;
 727                         dev_info->num_qpairs += !enabled;
 728                 } else {
 729                         adapter->nb_qps -= enabled;
 730                         dev_info->num_qpairs -= enabled;
 731                 }
 732                 qp_info->qp_enabled = !!add;
 733         }
 734 }
 735
 736 static int
 737 eca_add_queue_pair(struct event_crypto_adapter *adapter, uint8_t cdev_id,
 738                    int queue_pair_id)
 739 {
 740         struct crypto_device_info *dev_info = &adapter->cdevs[cdev_id];
 741         struct crypto_queue_pair_info *qpairs;
 742         uint32_t i;
 743
 744         if (dev_info->qpairs == NULL) {
 745                 dev_info->qpairs =
 746                     rte_zmalloc_socket(adapter->mem_name,
 747                                         dev_info->dev->data->nb_queue_pairs *
 748                                         sizeof(struct crypto_queue_pair_info),
 749                                         0, adapter->socket_id);
 750                 if (dev_info->qpairs == NULL)
 751                         return -ENOMEM;
 752
 753                 qpairs = dev_info->qpairs;
 754                 qpairs->op_buffer = rte_zmalloc_socket(adapter->mem_name,
 755                                         BATCH_SIZE *
 756                                         sizeof(struct rte_crypto_op *),
 757                                         0, adapter->socket_id);
 758                 if (!qpairs->op_buffer) {
 759                         rte_free(qpairs);
 760                         return -ENOMEM;
 761                 }
 762         }
 763
 764         if (queue_pair_id == -1) {
 765                 for (i = 0; i < dev_info->dev->data->nb_queue_pairs; i++)
 766                         eca_update_qp_info(adapter, dev_info, i, 1);
 767         } else
 768                 eca_update_qp_info(adapter, dev_info,
 769                                         (uint16_t)queue_pair_id, 1);
 770
 771         return 0;
 772 }
 773
 774 int
 775 rte_event_crypto_adapter_queue_pair_add(uint8_t id,
 776                         uint8_t cdev_id,
 777                         int32_t queue_pair_id,
 778                         const struct rte_event *event)
 779 {
 780         struct event_crypto_adapter *adapter;
 781         struct rte_eventdev *dev;
 782         struct crypto_device_info *dev_info;
 783         uint32_t cap;
 784         int ret;
 785
 786         EVENT_CRYPTO_ADAPTER_ID_VALID_OR_ERR_RET(id, -EINVAL);
 787
 788         if (!rte_cryptodev_is_valid_dev(cdev_id)) {
 789                 RTE_EDEV_LOG_ERR("Invalid dev_id=%" PRIu8, cdev_id);
 790                 return -EINVAL;
 791         }
 792
 793         adapter = eca_id_to_adapter(id);
 794         if (adapter == NULL)
 795                 return -EINVAL;
 796
 797         dev = &rte_eventdevs[adapter->eventdev_id];
 798         ret = rte_event_crypto_adapter_caps_get(adapter->eventdev_id,
 799                                                 cdev_id,
 800                                                 &cap);
 801         if (ret) {
 802                 RTE_EDEV_LOG_ERR("Failed to get adapter caps dev %" PRIu8
 803                         " cdev %" PRIu8, id, cdev_id);
 804                 return ret;
 805         }
 806
 807         if ((cap & RTE_EVENT_CRYPTO_ADAPTER_CAP_INTERNAL_PORT_QP_EV_BIND) &&
 808             (event == NULL)) {
 809                 RTE_EDEV_LOG_ERR("Conf value can not be NULL for dev_id=%u",
 810                                   cdev_id);
 811                 return -EINVAL;
 812         }
 813
 814         dev_info = &adapter->cdevs[cdev_id];
 815
 816         if (queue_pair_id != -1 &&
 817             (uint16_t)queue_pair_id >= dev_info->dev->data->nb_queue_pairs) {
 818                 RTE_EDEV_LOG_ERR("Invalid queue_pair_id %" PRIu16,
 819                                  (uint16_t)queue_pair_id);
 820                 return -EINVAL;
 821         }
 822
 823         /* In case HW cap is RTE_EVENT_CRYPTO_ADAPTER_CAP_INTERNAL_PORT_OP_FWD,
 824          * no need of service core as HW supports event forward capability.
 825          */
 826         if ((cap & RTE_EVENT_CRYPTO_ADAPTER_CAP_INTERNAL_PORT_OP_FWD) ||
 827             (cap & RTE_EVENT_CRYPTO_ADAPTER_CAP_INTERNAL_PORT_QP_EV_BIND &&
 828              adapter->mode == RTE_EVENT_CRYPTO_ADAPTER_OP_NEW) ||
 829             (cap & RTE_EVENT_CRYPTO_ADAPTER_CAP_INTERNAL_PORT_OP_NEW &&
 830              adapter->mode == RTE_EVENT_CRYPTO_ADAPTER_OP_NEW)) {
 831                 RTE_FUNC_PTR_OR_ERR_RET(
 832                         *dev->dev_ops->crypto_adapter_queue_pair_add,
 833                         -ENOTSUP);
 834                 if (dev_info->qpairs == NULL) {
 835                         dev_info->qpairs =
 836                             rte_zmalloc_socket(adapter->mem_name,
 837                                         dev_info->dev->data->nb_queue_pairs *
 838                                         sizeof(struct crypto_queue_pair_info),
 839                                         0, adapter->socket_id);
 840                         if (dev_info->qpairs == NULL)
 841                                 return -ENOMEM;
 842                 }
 843
 844                 ret = (*dev->dev_ops->crypto_adapter_queue_pair_add)(dev,
 845                                 dev_info->dev,
 846                                 queue_pair_id,
 847                                 event);
 848                 if (ret)
 849                         return ret;
 850
 851                 else
 852                         eca_update_qp_info(adapter, &adapter->cdevs[cdev_id],
 853                                            queue_pair_id, 1);
 854         }
 855
 856         /* In case HW cap is RTE_EVENT_CRYPTO_ADAPTER_CAP_INTERNAL_PORT_OP_NEW,
 857          * or SW adapter, initiate services so the application can choose
 858          * which ever way it wants to use the adapter.
 859          * Case 1: RTE_EVENT_CRYPTO_ADAPTER_CAP_INTERNAL_PORT_OP_NEW
 860          *         Application may wants to use one of below two mode
 861          *          a. OP_FORWARD mode -> HW Dequeue + SW enqueue
 862          *          b. OP_NEW mode -> HW Dequeue
 863          * Case 2: No HW caps, use SW adapter
 864          *          a. OP_FORWARD mode -> SW enqueue & dequeue
 865          *          b. OP_NEW mode -> SW Dequeue
 866          */
 867         if ((cap & RTE_EVENT_CRYPTO_ADAPTER_CAP_INTERNAL_PORT_OP_NEW &&
 868              !(cap & RTE_EVENT_CRYPTO_ADAPTER_CAP_INTERNAL_PORT_OP_FWD) &&
 869              adapter->mode == RTE_EVENT_CRYPTO_ADAPTER_OP_FORWARD) ||
 870              (!(cap & RTE_EVENT_CRYPTO_ADAPTER_CAP_INTERNAL_PORT_OP_NEW) &&
 871               !(cap & RTE_EVENT_CRYPTO_ADAPTER_CAP_INTERNAL_PORT_OP_FWD) &&
 872               !(cap & RTE_EVENT_CRYPTO_ADAPTER_CAP_INTERNAL_PORT_QP_EV_BIND) &&
 873                (cap & RTE_EVENT_CRYPTO_ADAPTER_CAP_SESSION_PRIVATE_DATA))) {
 874                 rte_spinlock_lock(&adapter->lock);
 875                 ret = eca_init_service(adapter, id);
 876                 if (ret == 0)
 877                         ret = eca_add_queue_pair(adapter, cdev_id,
 878                                                  queue_pair_id);
 879                 rte_spinlock_unlock(&adapter->lock);
 880
 881                 if (ret)
 882                         return ret;
 883
 884                 rte_service_component_runstate_set(adapter->service_id, 1);
 885         }
 886
 887         rte_eventdev_trace_crypto_adapter_queue_pair_add(id, cdev_id, event,
 888                 queue_pair_id);
 889         return 0;
 890 }
 891
 892 int
 893 rte_event_crypto_adapter_queue_pair_del(uint8_t id, uint8_t cdev_id,
 894                                         int32_t queue_pair_id)
 895 {
 896         struct event_crypto_adapter *adapter;
 897         struct crypto_device_info *dev_info;
 898         struct rte_eventdev *dev;
 899         int ret;
 900         uint32_t cap;
 901         uint16_t i;
 902
 903         EVENT_CRYPTO_ADAPTER_ID_VALID_OR_ERR_RET(id, -EINVAL);
 904
 905         if (!rte_cryptodev_is_valid_dev(cdev_id)) {
 906                 RTE_EDEV_LOG_ERR("Invalid dev_id=%" PRIu8, cdev_id);
 907                 return -EINVAL;
 908         }
 909
 910         adapter = eca_id_to_adapter(id);
 911         if (adapter == NULL)
 912                 return -EINVAL;
 913
 914         dev = &rte_eventdevs[adapter->eventdev_id];
 915         ret = rte_event_crypto_adapter_caps_get(adapter->eventdev_id,
 916                                                 cdev_id,
 917                                                 &cap);
 918         if (ret)
 919                 return ret;
 920
 921         dev_info = &adapter->cdevs[cdev_id];
 922
 923         if (queue_pair_id != -1 &&
 924             (uint16_t)queue_pair_id >= dev_info->dev->data->nb_queue_pairs) {
 925                 RTE_EDEV_LOG_ERR("Invalid queue_pair_id %" PRIu16,
 926                                  (uint16_t)queue_pair_id);
 927                 return -EINVAL;
 928         }
 929
 930         if ((cap & RTE_EVENT_CRYPTO_ADAPTER_CAP_INTERNAL_PORT_OP_FWD) ||
 931             (cap & RTE_EVENT_CRYPTO_ADAPTER_CAP_INTERNAL_PORT_OP_NEW &&
 932              adapter->mode == RTE_EVENT_CRYPTO_ADAPTER_OP_NEW)) {
 933                 RTE_FUNC_PTR_OR_ERR_RET(
 934                         *dev->dev_ops->crypto_adapter_queue_pair_del,
 935                         -ENOTSUP);
 936                 ret = (*dev->dev_ops->crypto_adapter_queue_pair_del)(dev,
 937                                                 dev_info->dev,
 938                                                 queue_pair_id);
 939                 if (ret == 0) {
 940                         eca_update_qp_info(adapter,
 941                                         &adapter->cdevs[cdev_id],
 942                                         queue_pair_id,
 943                                         0);
 944                         if (dev_info->num_qpairs == 0) {
 945                                 rte_free(dev_info->qpairs);
 946                                 dev_info->qpairs = NULL;
 947                         }
 948                 }
 949         } else {
 950                 if (adapter->nb_qps == 0)
 951                         return 0;
 952
 953                 rte_spinlock_lock(&adapter->lock);
 954                 if (queue_pair_id == -1) {
 955                         for (i = 0; i < dev_info->dev->data->nb_queue_pairs;
 956                                 i++)
 957                                 eca_update_qp_info(adapter, dev_info,
 958                                                         queue_pair_id, 0);
 959                 } else {
 960                         eca_update_qp_info(adapter, dev_info,
 961                                                 (uint16_t)queue_pair_id, 0);
 962                 }
 963
 964                 if (dev_info->num_qpairs == 0) {
 965                         rte_free(dev_info->qpairs);
 966                         dev_info->qpairs = NULL;
 967                 }
 968
 969                 rte_spinlock_unlock(&adapter->lock);
 970                 rte_service_component_runstate_set(adapter->service_id,
 971                                 adapter->nb_qps);
 972         }
 973
 974         rte_eventdev_trace_crypto_adapter_queue_pair_del(id, cdev_id,
 975                 queue_pair_id, ret);
 976         return ret;
 977 }
 978
 979 static int
 980 eca_adapter_ctrl(uint8_t id, int start)
 981 {
 982         struct event_crypto_adapter *adapter;
 983         struct crypto_device_info *dev_info;
 984         struct rte_eventdev *dev;
 985         uint32_t i;
 986         int use_service;
 987         int stop = !start;
 988
 989         use_service = 0;
 990         EVENT_CRYPTO_ADAPTER_ID_VALID_OR_ERR_RET(id, -EINVAL);
 991         adapter = eca_id_to_adapter(id);
 992         if (adapter == NULL)
 993                 return -EINVAL;
 994
 995         dev = &rte_eventdevs[adapter->eventdev_id];
 996
 997         for (i = 0; i < rte_cryptodev_count(); i++) {
 998                 dev_info = &adapter->cdevs[i];
 999                 /* if start  check for num queue pairs */
1000                 if (start && !dev_info->num_qpairs)
1001                         continue;
1002                 /* if stop check if dev has been started */
1003                 if (stop && !dev_info->dev_started)
1004                         continue;
1005                 use_service |= !dev_info->internal_event_port;
1006                 dev_info->dev_started = start;
1007                 if (dev_info->internal_event_port == 0)
1008                         continue;
1009                 start ? (*dev->dev_ops->crypto_adapter_start)(dev,
1010                                                 &dev_info->dev[i]) :
1011                         (*dev->dev_ops->crypto_adapter_stop)(dev,
1012                                                 &dev_info->dev[i]);
1013         }
1014
1015         if (use_service)
1016                 rte_service_runstate_set(adapter->service_id, start);
1017
1018         return 0;
1019 }
1020
1021 int
1022 rte_event_crypto_adapter_start(uint8_t id)
1023 {
1024         struct event_crypto_adapter *adapter;
1025
1026         EVENT_CRYPTO_ADAPTER_ID_VALID_OR_ERR_RET(id, -EINVAL);
1027         adapter = eca_id_to_adapter(id);
1028         if (adapter == NULL)
1029                 return -EINVAL;
1030
1031         rte_eventdev_trace_crypto_adapter_start(id, adapter);
1032         return eca_adapter_ctrl(id, 1);
1033 }
1034
1035 int
1036 rte_event_crypto_adapter_stop(uint8_t id)
1037 {
1038         rte_eventdev_trace_crypto_adapter_stop(id);
1039         return eca_adapter_ctrl(id, 0);
1040 }
1041
1042 int
1043 rte_event_crypto_adapter_stats_get(uint8_t id,
1044                                 struct rte_event_crypto_adapter_stats *stats)
1045 {
1046         struct event_crypto_adapter *adapter;
1047         struct rte_event_crypto_adapter_stats dev_stats_sum = { 0 };
1048         struct rte_event_crypto_adapter_stats dev_stats;
1049         struct rte_eventdev *dev;
1050         struct crypto_device_info *dev_info;
1051         uint32_t i;
1052         int ret;
1053
1054         EVENT_CRYPTO_ADAPTER_ID_VALID_OR_ERR_RET(id, -EINVAL);
1055
1056         adapter = eca_id_to_adapter(id);
1057         if (adapter == NULL || stats == NULL)
1058                 return -EINVAL;
1059
1060         dev = &rte_eventdevs[adapter->eventdev_id];
1061         memset(stats, 0, sizeof(*stats));
1062         for (i = 0; i < rte_cryptodev_count(); i++) {
1063                 dev_info = &adapter->cdevs[i];
1064                 if (dev_info->internal_event_port == 0 ||
1065                         dev->dev_ops->crypto_adapter_stats_get == NULL)
1066                         continue;
1067                 ret = (*dev->dev_ops->crypto_adapter_stats_get)(dev,
1068                                                 dev_info->dev,
1069                                                 &dev_stats);
1070                 if (ret)
1071                         continue;
1072
1073                 dev_stats_sum.crypto_deq_count += dev_stats.crypto_deq_count;
1074                 dev_stats_sum.event_enq_count +=
1075                         dev_stats.event_enq_count;
1076         }
1077
1078         if (adapter->service_inited)
1079                 *stats = adapter->crypto_stats;
1080
1081         stats->crypto_deq_count += dev_stats_sum.crypto_deq_count;
1082         stats->event_enq_count += dev_stats_sum.event_enq_count;
1083
1084         return 0;
1085 }
1086
1087 int
1088 rte_event_crypto_adapter_stats_reset(uint8_t id)
1089 {
1090         struct event_crypto_adapter *adapter;
1091         struct crypto_device_info *dev_info;
1092         struct rte_eventdev *dev;
1093         uint32_t i;
1094
1095         EVENT_CRYPTO_ADAPTER_ID_VALID_OR_ERR_RET(id, -EINVAL);
1096
1097         adapter = eca_id_to_adapter(id);
1098         if (adapter == NULL)
1099                 return -EINVAL;
1100
1101         dev = &rte_eventdevs[adapter->eventdev_id];
1102         for (i = 0; i < rte_cryptodev_count(); i++) {
1103                 dev_info = &adapter->cdevs[i];
1104                 if (dev_info->internal_event_port == 0 ||
1105                         dev->dev_ops->crypto_adapter_stats_reset == NULL)
1106                         continue;
1107                 (*dev->dev_ops->crypto_adapter_stats_reset)(dev,
1108                                                 dev_info->dev);
1109         }
1110
1111         memset(&adapter->crypto_stats, 0, sizeof(adapter->crypto_stats));
1112         return 0;
1113 }
1114
1115 int
1116 rte_event_crypto_adapter_service_id_get(uint8_t id, uint32_t *service_id)
1117 {
1118         struct event_crypto_adapter *adapter;
1119
1120         EVENT_CRYPTO_ADAPTER_ID_VALID_OR_ERR_RET(id, -EINVAL);
1121
1122         adapter = eca_id_to_adapter(id);
1123         if (adapter == NULL || service_id == NULL)
1124                 return -EINVAL;
1125
1126         if (adapter->service_inited)
1127                 *service_id = adapter->service_id;
1128
1129         return adapter->service_inited ? 0 : -ESRCH;
1130 }
1131
1132 int
1133 rte_event_crypto_adapter_event_port_get(uint8_t id, uint8_t *event_port_id)
1134 {
1135         struct event_crypto_adapter *adapter;
1136
1137         EVENT_CRYPTO_ADAPTER_ID_VALID_OR_ERR_RET(id, -EINVAL);
1138
1139         adapter = eca_id_to_adapter(id);
1140         if (adapter == NULL || event_port_id == NULL)
1141                 return -EINVAL;
1142
1143         *event_port_id = adapter->event_port_id;
1144
1145         return 0;
1146 }