lib/librte_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 <rte_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 "rte_eventdev_pmd.h"
  19 #include "rte_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 rte_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 rte_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 rte_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 rte_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 rte_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                 return ret;
 245         }
 246
 247         adapter->implicit_release_disabled = (dev_info.event_dev_cap &
 248                         RTE_EVENT_DEV_CAP_IMPLICIT_RELEASE_DISABLE);
 249         adapter->eventdev_id = dev_id;
 250         adapter->socket_id = socket_id;
 251         adapter->conf_cb = conf_cb;
 252         adapter->conf_arg = conf_arg;
 253         adapter->mode = mode;
 254         strcpy(adapter->mem_name, mem_name);
 255         adapter->cdevs = rte_zmalloc_socket(adapter->mem_name,
 256                                         rte_cryptodev_count() *
 257                                         sizeof(struct crypto_device_info), 0,
 258                                         socket_id);
 259         if (adapter->cdevs == NULL) {
 260                 RTE_EDEV_LOG_ERR("Failed to get mem for crypto devices\n");
 261                 rte_free(adapter);
 262                 return -ENOMEM;
 263         }
 264
 265         rte_spinlock_init(&adapter->lock);
 266         for (i = 0; i < rte_cryptodev_count(); i++)
 267                 adapter->cdevs[i].dev = rte_cryptodev_pmd_get_dev(i);
 268
 269         event_crypto_adapter[id] = adapter;
 270
 271         rte_eventdev_trace_crypto_adapter_create(id, dev_id, adapter, conf_arg,
 272                 mode);
 273         return 0;
 274 }
 275
 276
 277 int
 278 rte_event_crypto_adapter_create(uint8_t id, uint8_t dev_id,
 279                                 struct rte_event_port_conf *port_config,
 280                                 enum rte_event_crypto_adapter_mode mode)
 281 {
 282         struct rte_event_port_conf *pc;
 283         int ret;
 284
 285         if (port_config == NULL)
 286                 return -EINVAL;
 287         EVENT_CRYPTO_ADAPTER_ID_VALID_OR_ERR_RET(id, -EINVAL);
 288
 289         pc = rte_malloc(NULL, sizeof(*pc), 0);
 290         if (pc == NULL)
 291                 return -ENOMEM;
 292         *pc = *port_config;
 293         ret = rte_event_crypto_adapter_create_ext(id, dev_id,
 294                                                   eca_default_config_cb,
 295                                                   mode,
 296                                                   pc);
 297         if (ret)
 298                 rte_free(pc);
 299
 300         return ret;
 301 }
 302
 303 int
 304 rte_event_crypto_adapter_free(uint8_t id)
 305 {
 306         struct rte_event_crypto_adapter *adapter;
 307
 308         EVENT_CRYPTO_ADAPTER_ID_VALID_OR_ERR_RET(id, -EINVAL);
 309
 310         adapter = eca_id_to_adapter(id);
 311         if (adapter == NULL)
 312                 return -EINVAL;
 313
 314         if (adapter->nb_qps) {
 315                 RTE_EDEV_LOG_ERR("%" PRIu16 "Queue pairs not deleted",
 316                                 adapter->nb_qps);
 317                 return -EBUSY;
 318         }
 319
 320         rte_eventdev_trace_crypto_adapter_free(id, adapter);
 321         if (adapter->default_cb_arg)
 322                 rte_free(adapter->conf_arg);
 323         rte_free(adapter->cdevs);
 324         rte_free(adapter);
 325         event_crypto_adapter[id] = NULL;
 326
 327         return 0;
 328 }
 329
 330 static inline unsigned int
 331 eca_enq_to_cryptodev(struct rte_event_crypto_adapter *adapter,
 332                  struct rte_event *ev, unsigned int cnt)
 333 {
 334         struct rte_event_crypto_adapter_stats *stats = &adapter->crypto_stats;
 335         union rte_event_crypto_metadata *m_data = NULL;
 336         struct crypto_queue_pair_info *qp_info = NULL;
 337         struct rte_crypto_op *crypto_op;
 338         unsigned int i, n;
 339         uint16_t qp_id, len, ret;
 340         uint8_t cdev_id;
 341
 342         len = 0;
 343         ret = 0;
 344         n = 0;
 345         stats->event_deq_count += cnt;
 346
 347         for (i = 0; i < cnt; i++) {
 348                 crypto_op = ev[i].event_ptr;
 349                 if (crypto_op == NULL)
 350                         continue;
 351                 if (crypto_op->sess_type == RTE_CRYPTO_OP_WITH_SESSION) {
 352                         m_data = rte_cryptodev_sym_session_get_user_data(
 353                                         crypto_op->sym->session);
 354                         if (m_data == NULL) {
 355                                 rte_pktmbuf_free(crypto_op->sym->m_src);
 356                                 rte_crypto_op_free(crypto_op);
 357                                 continue;
 358                         }
 359
 360                         cdev_id = m_data->request_info.cdev_id;
 361                         qp_id = m_data->request_info.queue_pair_id;
 362                         qp_info = &adapter->cdevs[cdev_id].qpairs[qp_id];
 363                         if (!qp_info->qp_enabled) {
 364                                 rte_pktmbuf_free(crypto_op->sym->m_src);
 365                                 rte_crypto_op_free(crypto_op);
 366                                 continue;
 367                         }
 368                         len = qp_info->len;
 369                         qp_info->op_buffer[len] = crypto_op;
 370                         len++;
 371                 } else if (crypto_op->sess_type == RTE_CRYPTO_OP_SESSIONLESS &&
 372                                 crypto_op->private_data_offset) {
 373                         m_data = (union rte_event_crypto_metadata *)
 374                                  ((uint8_t *)crypto_op +
 375                                         crypto_op->private_data_offset);
 376                         cdev_id = m_data->request_info.cdev_id;
 377                         qp_id = m_data->request_info.queue_pair_id;
 378                         qp_info = &adapter->cdevs[cdev_id].qpairs[qp_id];
 379                         if (!qp_info->qp_enabled) {
 380                                 rte_pktmbuf_free(crypto_op->sym->m_src);
 381                                 rte_crypto_op_free(crypto_op);
 382                                 continue;
 383                         }
 384                         len = qp_info->len;
 385                         qp_info->op_buffer[len] = crypto_op;
 386                         len++;
 387                 } else {
 388                         rte_pktmbuf_free(crypto_op->sym->m_src);
 389                         rte_crypto_op_free(crypto_op);
 390                         continue;
 391                 }
 392
 393                 if (len == BATCH_SIZE) {
 394                         struct rte_crypto_op **op_buffer = qp_info->op_buffer;
 395                         ret = rte_cryptodev_enqueue_burst(cdev_id,
 396                                                           qp_id,
 397                                                           op_buffer,
 398                                                           BATCH_SIZE);
 399
 400                         stats->crypto_enq_count += ret;
 401
 402                         while (ret < len) {
 403                                 struct rte_crypto_op *op;
 404                                 op = op_buffer[ret++];
 405                                 stats->crypto_enq_fail++;
 406                                 rte_pktmbuf_free(op->sym->m_src);
 407                                 rte_crypto_op_free(op);
 408                         }
 409
 410                         len = 0;
 411                 }
 412
 413                 if (qp_info)
 414                         qp_info->len = len;
 415                 n += ret;
 416         }
 417
 418         return n;
 419 }
 420
 421 static unsigned int
 422 eca_crypto_enq_flush(struct rte_event_crypto_adapter *adapter)
 423 {
 424         struct rte_event_crypto_adapter_stats *stats = &adapter->crypto_stats;
 425         struct crypto_device_info *curr_dev;
 426         struct crypto_queue_pair_info *curr_queue;
 427         struct rte_crypto_op **op_buffer;
 428         struct rte_cryptodev *dev;
 429         uint8_t cdev_id;
 430         uint16_t qp;
 431         uint16_t ret;
 432         uint16_t num_cdev = rte_cryptodev_count();
 433
 434         ret = 0;
 435         for (cdev_id = 0; cdev_id < num_cdev; cdev_id++) {
 436                 curr_dev = &adapter->cdevs[cdev_id];
 437                 dev = curr_dev->dev;
 438                 if (dev == NULL)
 439                         continue;
 440                 for (qp = 0; qp < dev->data->nb_queue_pairs; qp++) {
 441
 442                         curr_queue = &curr_dev->qpairs[qp];
 443                         if (!curr_queue->qp_enabled)
 444                                 continue;
 445
 446                         op_buffer = curr_queue->op_buffer;
 447                         ret = rte_cryptodev_enqueue_burst(cdev_id,
 448                                                           qp,
 449                                                           op_buffer,
 450                                                           curr_queue->len);
 451                         stats->crypto_enq_count += ret;
 452
 453                         while (ret < curr_queue->len) {
 454                                 struct rte_crypto_op *op;
 455                                 op = op_buffer[ret++];
 456                                 stats->crypto_enq_fail++;
 457                                 rte_pktmbuf_free(op->sym->m_src);
 458                                 rte_crypto_op_free(op);
 459                         }
 460                         curr_queue->len = 0;
 461                 }
 462         }
 463
 464         return ret;
 465 }
 466
 467 static int
 468 eca_crypto_adapter_enq_run(struct rte_event_crypto_adapter *adapter,
 469                         unsigned int max_enq)
 470 {
 471         struct rte_event_crypto_adapter_stats *stats = &adapter->crypto_stats;
 472         struct rte_event ev[BATCH_SIZE];
 473         unsigned int nb_enq, nb_enqueued;
 474         uint16_t n;
 475         uint8_t event_dev_id = adapter->eventdev_id;
 476         uint8_t event_port_id = adapter->event_port_id;
 477
 478         nb_enqueued = 0;
 479         if (adapter->mode == RTE_EVENT_CRYPTO_ADAPTER_OP_NEW)
 480                 return 0;
 481
 482         for (nb_enq = 0; nb_enq < max_enq; nb_enq += n) {
 483                 stats->event_poll_count++;
 484                 n = rte_event_dequeue_burst(event_dev_id,
 485                                             event_port_id, ev, BATCH_SIZE, 0);
 486
 487                 if (!n)
 488                         break;
 489
 490                 nb_enqueued += eca_enq_to_cryptodev(adapter, ev, n);
 491         }
 492
 493         if ((++adapter->transmit_loop_count &
 494                 (CRYPTO_ENQ_FLUSH_THRESHOLD - 1)) == 0) {
 495                 nb_enqueued += eca_crypto_enq_flush(adapter);
 496         }
 497
 498         return nb_enqueued;
 499 }
 500
 501 static inline void
 502 eca_ops_enqueue_burst(struct rte_event_crypto_adapter *adapter,
 503                   struct rte_crypto_op **ops, uint16_t num)
 504 {
 505         struct rte_event_crypto_adapter_stats *stats = &adapter->crypto_stats;
 506         union rte_event_crypto_metadata *m_data = NULL;
 507         uint8_t event_dev_id = adapter->eventdev_id;
 508         uint8_t event_port_id = adapter->event_port_id;
 509         struct rte_event events[BATCH_SIZE];
 510         uint16_t nb_enqueued, nb_ev;
 511         uint8_t retry;
 512         uint8_t i;
 513
 514         nb_ev = 0;
 515         retry = 0;
 516         nb_enqueued = 0;
 517         num = RTE_MIN(num, BATCH_SIZE);
 518         for (i = 0; i < num; i++) {
 519                 struct rte_event *ev = &events[nb_ev++];
 520                 if (ops[i]->sess_type == RTE_CRYPTO_OP_WITH_SESSION) {
 521                         m_data = rte_cryptodev_sym_session_get_user_data(
 522                                         ops[i]->sym->session);
 523                 } else if (ops[i]->sess_type == RTE_CRYPTO_OP_SESSIONLESS &&
 524                                 ops[i]->private_data_offset) {
 525                         m_data = (union rte_event_crypto_metadata *)
 526                                  ((uint8_t *)ops[i] +
 527                                   ops[i]->private_data_offset);
 528                 }
 529
 530                 if (unlikely(m_data == NULL)) {
 531                         rte_pktmbuf_free(ops[i]->sym->m_src);
 532                         rte_crypto_op_free(ops[i]);
 533                         continue;
 534                 }
 535
 536                 rte_memcpy(ev, &m_data->response_info, sizeof(*ev));
 537                 ev->event_ptr = ops[i];
 538                 ev->event_type = RTE_EVENT_TYPE_CRYPTODEV;
 539                 if (adapter->implicit_release_disabled)
 540                         ev->op = RTE_EVENT_OP_FORWARD;
 541                 else
 542                         ev->op = RTE_EVENT_OP_NEW;
 543         }
 544
 545         do {
 546                 nb_enqueued += rte_event_enqueue_burst(event_dev_id,
 547                                                   event_port_id,
 548                                                   &events[nb_enqueued],
 549                                                   nb_ev - nb_enqueued);
 550         } while (retry++ < CRYPTO_ADAPTER_MAX_EV_ENQ_RETRIES &&
 551                  nb_enqueued < nb_ev);
 552
 553         /* Free mbufs and rte_crypto_ops for failed events */
 554         for (i = nb_enqueued; i < nb_ev; i++) {
 555                 struct rte_crypto_op *op = events[i].event_ptr;
 556                 rte_pktmbuf_free(op->sym->m_src);
 557                 rte_crypto_op_free(op);
 558         }
 559
 560         stats->event_enq_fail_count += nb_ev - nb_enqueued;
 561         stats->event_enq_count += nb_enqueued;
 562         stats->event_enq_retry_count += retry - 1;
 563 }
 564
 565 static inline unsigned int
 566 eca_crypto_adapter_deq_run(struct rte_event_crypto_adapter *adapter,
 567                         unsigned int max_deq)
 568 {
 569         struct rte_event_crypto_adapter_stats *stats = &adapter->crypto_stats;
 570         struct crypto_device_info *curr_dev;
 571         struct crypto_queue_pair_info *curr_queue;
 572         struct rte_crypto_op *ops[BATCH_SIZE];
 573         uint16_t n, nb_deq;
 574         struct rte_cryptodev *dev;
 575         uint8_t cdev_id;
 576         uint16_t qp, dev_qps;
 577         bool done;
 578         uint16_t num_cdev = rte_cryptodev_count();
 579
 580         nb_deq = 0;
 581         do {
 582                 uint16_t queues = 0;
 583                 done = true;
 584
 585                 for (cdev_id = adapter->next_cdev_id;
 586                         cdev_id < num_cdev; cdev_id++) {
 587                         curr_dev = &adapter->cdevs[cdev_id];
 588                         dev = curr_dev->dev;
 589                         if (dev == NULL)
 590                                 continue;
 591                         dev_qps = dev->data->nb_queue_pairs;
 592
 593                         for (qp = curr_dev->next_queue_pair_id;
 594                                 queues < dev_qps; qp = (qp + 1) % dev_qps,
 595                                 queues++) {
 596
 597                                 curr_queue = &curr_dev->qpairs[qp];
 598                                 if (!curr_queue->qp_enabled)
 599                                         continue;
 600
 601                                 n = rte_cryptodev_dequeue_burst(cdev_id, qp,
 602                                         ops, BATCH_SIZE);
 603                                 if (!n)
 604                                         continue;
 605
 606                                 done = false;
 607                                 stats->crypto_deq_count += n;
 608                                 eca_ops_enqueue_burst(adapter, ops, n);
 609                                 nb_deq += n;
 610
 611                                 if (nb_deq > max_deq) {
 612                                         if ((qp + 1) == dev_qps) {
 613                                                 adapter->next_cdev_id =
 614                                                         (cdev_id + 1)
 615                                                         % num_cdev;
 616                                         }
 617                                         curr_dev->next_queue_pair_id = (qp + 1)
 618                                                 % dev->data->nb_queue_pairs;
 619
 620                                         return nb_deq;
 621                                 }
 622                         }
 623                 }
 624         } while (done == false);
 625         return nb_deq;
 626 }
 627
 628 static void
 629 eca_crypto_adapter_run(struct rte_event_crypto_adapter *adapter,
 630                         unsigned int max_ops)
 631 {
 632         while (max_ops) {
 633                 unsigned int e_cnt, d_cnt;
 634
 635                 e_cnt = eca_crypto_adapter_deq_run(adapter, max_ops);
 636                 max_ops -= RTE_MIN(max_ops, e_cnt);
 637
 638                 d_cnt = eca_crypto_adapter_enq_run(adapter, max_ops);
 639                 max_ops -= RTE_MIN(max_ops, d_cnt);
 640
 641                 if (e_cnt == 0 && d_cnt == 0)
 642                         break;
 643
 644         }
 645 }
 646
 647 static int
 648 eca_service_func(void *args)
 649 {
 650         struct rte_event_crypto_adapter *adapter = args;
 651
 652         if (rte_spinlock_trylock(&adapter->lock) == 0)
 653                 return 0;
 654         eca_crypto_adapter_run(adapter, adapter->max_nb);
 655         rte_spinlock_unlock(&adapter->lock);
 656
 657         return 0;
 658 }
 659
 660 static int
 661 eca_init_service(struct rte_event_crypto_adapter *adapter, uint8_t id)
 662 {
 663         struct rte_event_crypto_adapter_conf adapter_conf;
 664         struct rte_service_spec service;
 665         int ret;
 666
 667         if (adapter->service_inited)
 668                 return 0;
 669
 670         memset(&service, 0, sizeof(service));
 671         snprintf(service.name, CRYPTO_ADAPTER_NAME_LEN,
 672                 "rte_event_crypto_adapter_%d", id);
 673         service.socket_id = adapter->socket_id;
 674         service.callback = eca_service_func;
 675         service.callback_userdata = adapter;
 676         /* Service function handles locking for queue add/del updates */
 677         service.capabilities = RTE_SERVICE_CAP_MT_SAFE;
 678         ret = rte_service_component_register(&service, &adapter->service_id);
 679         if (ret) {
 680                 RTE_EDEV_LOG_ERR("failed to register service %s err = %" PRId32,
 681                         service.name, ret);
 682                 return ret;
 683         }
 684
 685         ret = adapter->conf_cb(id, adapter->eventdev_id,
 686                 &adapter_conf, adapter->conf_arg);
 687         if (ret) {
 688                 RTE_EDEV_LOG_ERR("configuration callback failed err = %" PRId32,
 689                         ret);
 690                 return ret;
 691         }
 692
 693         adapter->max_nb = adapter_conf.max_nb;
 694         adapter->event_port_id = adapter_conf.event_port_id;
 695         adapter->service_inited = 1;
 696
 697         return ret;
 698 }
 699
 700 static void
 701 eca_update_qp_info(struct rte_event_crypto_adapter *adapter,
 702                         struct crypto_device_info *dev_info,
 703                         int32_t queue_pair_id,
 704                         uint8_t add)
 705 {
 706         struct crypto_queue_pair_info *qp_info;
 707         int enabled;
 708         uint16_t i;
 709
 710         if (dev_info->qpairs == NULL)
 711                 return;
 712
 713         if (queue_pair_id == -1) {
 714                 for (i = 0; i < dev_info->dev->data->nb_queue_pairs; i++)
 715                         eca_update_qp_info(adapter, dev_info, i, add);
 716         } else {
 717                 qp_info = &dev_info->qpairs[queue_pair_id];
 718                 enabled = qp_info->qp_enabled;
 719                 if (add) {
 720                         adapter->nb_qps += !enabled;
 721                         dev_info->num_qpairs += !enabled;
 722                 } else {
 723                         adapter->nb_qps -= enabled;
 724                         dev_info->num_qpairs -= enabled;
 725                 }
 726                 qp_info->qp_enabled = !!add;
 727         }
 728 }
 729
 730 static int
 731 eca_add_queue_pair(struct rte_event_crypto_adapter *adapter,
 732                 uint8_t cdev_id,
 733                 int queue_pair_id)
 734 {
 735         struct crypto_device_info *dev_info = &adapter->cdevs[cdev_id];
 736         struct crypto_queue_pair_info *qpairs;
 737         uint32_t i;
 738
 739         if (dev_info->qpairs == NULL) {
 740                 dev_info->qpairs =
 741                     rte_zmalloc_socket(adapter->mem_name,
 742                                         dev_info->dev->data->nb_queue_pairs *
 743                                         sizeof(struct crypto_queue_pair_info),
 744                                         0, adapter->socket_id);
 745                 if (dev_info->qpairs == NULL)
 746                         return -ENOMEM;
 747
 748                 qpairs = dev_info->qpairs;
 749                 qpairs->op_buffer = rte_zmalloc_socket(adapter->mem_name,
 750                                         BATCH_SIZE *
 751                                         sizeof(struct rte_crypto_op *),
 752                                         0, adapter->socket_id);
 753                 if (!qpairs->op_buffer) {
 754                         rte_free(qpairs);
 755                         return -ENOMEM;
 756                 }
 757         }
 758
 759         if (queue_pair_id == -1) {
 760                 for (i = 0; i < dev_info->dev->data->nb_queue_pairs; i++)
 761                         eca_update_qp_info(adapter, dev_info, i, 1);
 762         } else
 763                 eca_update_qp_info(adapter, dev_info,
 764                                         (uint16_t)queue_pair_id, 1);
 765
 766         return 0;
 767 }
 768
 769 int
 770 rte_event_crypto_adapter_queue_pair_add(uint8_t id,
 771                         uint8_t cdev_id,
 772                         int32_t queue_pair_id,
 773                         const struct rte_event *event)
 774 {
 775         struct rte_event_crypto_adapter *adapter;
 776         struct rte_eventdev *dev;
 777         struct crypto_device_info *dev_info;
 778         uint32_t cap;
 779         int ret;
 780
 781         EVENT_CRYPTO_ADAPTER_ID_VALID_OR_ERR_RET(id, -EINVAL);
 782
 783         if (!rte_cryptodev_pmd_is_valid_dev(cdev_id)) {
 784                 RTE_EDEV_LOG_ERR("Invalid dev_id=%" PRIu8, cdev_id);
 785                 return -EINVAL;
 786         }
 787
 788         adapter = eca_id_to_adapter(id);
 789         if (adapter == NULL)
 790                 return -EINVAL;
 791
 792         dev = &rte_eventdevs[adapter->eventdev_id];
 793         ret = rte_event_crypto_adapter_caps_get(adapter->eventdev_id,
 794                                                 cdev_id,
 795                                                 &cap);
 796         if (ret) {
 797                 RTE_EDEV_LOG_ERR("Failed to get adapter caps dev %" PRIu8
 798                         " cdev %" PRIu8, id, cdev_id);
 799                 return ret;
 800         }
 801
 802         if ((cap & RTE_EVENT_CRYPTO_ADAPTER_CAP_INTERNAL_PORT_QP_EV_BIND) &&
 803             (event == NULL)) {
 804                 RTE_EDEV_LOG_ERR("Conf value can not be NULL for dev_id=%u",
 805                                   cdev_id);
 806                 return -EINVAL;
 807         }
 808
 809         dev_info = &adapter->cdevs[cdev_id];
 810
 811         if (queue_pair_id != -1 &&
 812             (uint16_t)queue_pair_id >= dev_info->dev->data->nb_queue_pairs) {
 813                 RTE_EDEV_LOG_ERR("Invalid queue_pair_id %" PRIu16,
 814                                  (uint16_t)queue_pair_id);
 815                 return -EINVAL;
 816         }
 817
 818         /* In case HW cap is RTE_EVENT_CRYPTO_ADAPTER_CAP_INTERNAL_PORT_OP_FWD,
 819          * no need of service core as HW supports event forward capability.
 820          */
 821         if ((cap & RTE_EVENT_CRYPTO_ADAPTER_CAP_INTERNAL_PORT_OP_FWD) ||
 822             (cap & RTE_EVENT_CRYPTO_ADAPTER_CAP_INTERNAL_PORT_QP_EV_BIND &&
 823              adapter->mode == RTE_EVENT_CRYPTO_ADAPTER_OP_NEW) ||
 824             (cap & RTE_EVENT_CRYPTO_ADAPTER_CAP_INTERNAL_PORT_OP_NEW &&
 825              adapter->mode == RTE_EVENT_CRYPTO_ADAPTER_OP_NEW)) {
 826                 RTE_FUNC_PTR_OR_ERR_RET(
 827                         *dev->dev_ops->crypto_adapter_queue_pair_add,
 828                         -ENOTSUP);
 829                 if (dev_info->qpairs == NULL) {
 830                         dev_info->qpairs =
 831                             rte_zmalloc_socket(adapter->mem_name,
 832                                         dev_info->dev->data->nb_queue_pairs *
 833                                         sizeof(struct crypto_queue_pair_info),
 834                                         0, adapter->socket_id);
 835                         if (dev_info->qpairs == NULL)
 836                                 return -ENOMEM;
 837                 }
 838
 839                 ret = (*dev->dev_ops->crypto_adapter_queue_pair_add)(dev,
 840                                 dev_info->dev,
 841                                 queue_pair_id,
 842                                 event);
 843                 if (ret)
 844                         return ret;
 845
 846                 else
 847                         eca_update_qp_info(adapter, &adapter->cdevs[cdev_id],
 848                                            queue_pair_id, 1);
 849         }
 850
 851         /* In case HW cap is RTE_EVENT_CRYPTO_ADAPTER_CAP_INTERNAL_PORT_OP_NEW,
 852          * or SW adapter, initiate services so the application can choose
 853          * which ever way it wants to use the adapter.
 854          * Case 1: RTE_EVENT_CRYPTO_ADAPTER_CAP_INTERNAL_PORT_OP_NEW
 855          *         Application may wants to use one of below two mode
 856          *          a. OP_FORWARD mode -> HW Dequeue + SW enqueue
 857          *          b. OP_NEW mode -> HW Dequeue
 858          * Case 2: No HW caps, use SW adapter
 859          *          a. OP_FORWARD mode -> SW enqueue & dequeue
 860          *          b. OP_NEW mode -> SW Dequeue
 861          */
 862         if ((cap & RTE_EVENT_CRYPTO_ADAPTER_CAP_INTERNAL_PORT_OP_NEW &&
 863              adapter->mode == RTE_EVENT_CRYPTO_ADAPTER_OP_FORWARD) ||
 864              (!(cap & RTE_EVENT_CRYPTO_ADAPTER_CAP_INTERNAL_PORT_OP_NEW) &&
 865               !(cap & RTE_EVENT_CRYPTO_ADAPTER_CAP_INTERNAL_PORT_OP_FWD) &&
 866               !(cap & RTE_EVENT_CRYPTO_ADAPTER_CAP_INTERNAL_PORT_QP_EV_BIND) &&
 867                (cap & RTE_EVENT_CRYPTO_ADAPTER_CAP_SESSION_PRIVATE_DATA))) {
 868                 rte_spinlock_lock(&adapter->lock);
 869                 ret = eca_init_service(adapter, id);
 870                 if (ret == 0)
 871                         ret = eca_add_queue_pair(adapter, cdev_id,
 872                                                  queue_pair_id);
 873                 rte_spinlock_unlock(&adapter->lock);
 874
 875                 if (ret)
 876                         return ret;
 877
 878                 rte_service_component_runstate_set(adapter->service_id, 1);
 879         }
 880
 881         rte_eventdev_trace_crypto_adapter_queue_pair_add(id, cdev_id, event,
 882                 queue_pair_id);
 883         return 0;
 884 }
 885
 886 int
 887 rte_event_crypto_adapter_queue_pair_del(uint8_t id, uint8_t cdev_id,
 888                                         int32_t queue_pair_id)
 889 {
 890         struct rte_event_crypto_adapter *adapter;
 891         struct crypto_device_info *dev_info;
 892         struct rte_eventdev *dev;
 893         int ret;
 894         uint32_t cap;
 895         uint16_t i;
 896
 897         EVENT_CRYPTO_ADAPTER_ID_VALID_OR_ERR_RET(id, -EINVAL);
 898
 899         if (!rte_cryptodev_pmd_is_valid_dev(cdev_id)) {
 900                 RTE_EDEV_LOG_ERR("Invalid dev_id=%" PRIu8, cdev_id);
 901                 return -EINVAL;
 902         }
 903
 904         adapter = eca_id_to_adapter(id);
 905         if (adapter == NULL)
 906                 return -EINVAL;
 907
 908         dev = &rte_eventdevs[adapter->eventdev_id];
 909         ret = rte_event_crypto_adapter_caps_get(adapter->eventdev_id,
 910                                                 cdev_id,
 911                                                 &cap);
 912         if (ret)
 913                 return ret;
 914
 915         dev_info = &adapter->cdevs[cdev_id];
 916
 917         if (queue_pair_id != -1 &&
 918             (uint16_t)queue_pair_id >= dev_info->dev->data->nb_queue_pairs) {
 919                 RTE_EDEV_LOG_ERR("Invalid queue_pair_id %" PRIu16,
 920                                  (uint16_t)queue_pair_id);
 921                 return -EINVAL;
 922         }
 923
 924         if ((cap & RTE_EVENT_CRYPTO_ADAPTER_CAP_INTERNAL_PORT_OP_FWD) ||
 925             (cap & RTE_EVENT_CRYPTO_ADAPTER_CAP_INTERNAL_PORT_OP_NEW &&
 926              adapter->mode == RTE_EVENT_CRYPTO_ADAPTER_OP_NEW)) {
 927                 RTE_FUNC_PTR_OR_ERR_RET(
 928                         *dev->dev_ops->crypto_adapter_queue_pair_del,
 929                         -ENOTSUP);
 930                 ret = (*dev->dev_ops->crypto_adapter_queue_pair_del)(dev,
 931                                                 dev_info->dev,
 932                                                 queue_pair_id);
 933                 if (ret == 0) {
 934                         eca_update_qp_info(adapter,
 935                                         &adapter->cdevs[cdev_id],
 936                                         queue_pair_id,
 937                                         0);
 938                         if (dev_info->num_qpairs == 0) {
 939                                 rte_free(dev_info->qpairs);
 940                                 dev_info->qpairs = NULL;
 941                         }
 942                 }
 943         } else {
 944                 if (adapter->nb_qps == 0)
 945                         return 0;
 946
 947                 rte_spinlock_lock(&adapter->lock);
 948                 if (queue_pair_id == -1) {
 949                         for (i = 0; i < dev_info->dev->data->nb_queue_pairs;
 950                                 i++)
 951                                 eca_update_qp_info(adapter, dev_info,
 952                                                         queue_pair_id, 0);
 953                 } else {
 954                         eca_update_qp_info(adapter, dev_info,
 955                                                 (uint16_t)queue_pair_id, 0);
 956                 }
 957
 958                 if (dev_info->num_qpairs == 0) {
 959                         rte_free(dev_info->qpairs);
 960                         dev_info->qpairs = NULL;
 961                 }
 962
 963                 rte_spinlock_unlock(&adapter->lock);
 964                 rte_service_component_runstate_set(adapter->service_id,
 965                                 adapter->nb_qps);
 966         }
 967
 968         rte_eventdev_trace_crypto_adapter_queue_pair_del(id, cdev_id,
 969                 queue_pair_id, ret);
 970         return ret;
 971 }
 972
 973 static int
 974 eca_adapter_ctrl(uint8_t id, int start)
 975 {
 976         struct rte_event_crypto_adapter *adapter;
 977         struct crypto_device_info *dev_info;
 978         struct rte_eventdev *dev;
 979         uint32_t i;
 980         int use_service;
 981         int stop = !start;
 982
 983         use_service = 0;
 984         EVENT_CRYPTO_ADAPTER_ID_VALID_OR_ERR_RET(id, -EINVAL);
 985         adapter = eca_id_to_adapter(id);
 986         if (adapter == NULL)
 987                 return -EINVAL;
 988
 989         dev = &rte_eventdevs[adapter->eventdev_id];
 990
 991         for (i = 0; i < rte_cryptodev_count(); i++) {
 992                 dev_info = &adapter->cdevs[i];
 993                 /* if start  check for num queue pairs */
 994                 if (start && !dev_info->num_qpairs)
 995                         continue;
 996                 /* if stop check if dev has been started */
 997                 if (stop && !dev_info->dev_started)
 998                         continue;
 999                 use_service |= !dev_info->internal_event_port;
1000                 dev_info->dev_started = start;
1001                 if (dev_info->internal_event_port == 0)
1002                         continue;
1003                 start ? (*dev->dev_ops->crypto_adapter_start)(dev,
1004                                                 &dev_info->dev[i]) :
1005                         (*dev->dev_ops->crypto_adapter_stop)(dev,
1006                                                 &dev_info->dev[i]);
1007         }
1008
1009         if (use_service)
1010                 rte_service_runstate_set(adapter->service_id, start);
1011
1012         return 0;
1013 }
1014
1015 int
1016 rte_event_crypto_adapter_start(uint8_t id)
1017 {
1018         struct rte_event_crypto_adapter *adapter;
1019
1020         EVENT_CRYPTO_ADAPTER_ID_VALID_OR_ERR_RET(id, -EINVAL);
1021         adapter = eca_id_to_adapter(id);
1022         if (adapter == NULL)
1023                 return -EINVAL;
1024
1025         rte_eventdev_trace_crypto_adapter_start(id, adapter);
1026         return eca_adapter_ctrl(id, 1);
1027 }
1028
1029 int
1030 rte_event_crypto_adapter_stop(uint8_t id)
1031 {
1032         rte_eventdev_trace_crypto_adapter_stop(id);
1033         return eca_adapter_ctrl(id, 0);
1034 }
1035
1036 int
1037 rte_event_crypto_adapter_stats_get(uint8_t id,
1038                                 struct rte_event_crypto_adapter_stats *stats)
1039 {
1040         struct rte_event_crypto_adapter *adapter;
1041         struct rte_event_crypto_adapter_stats dev_stats_sum = { 0 };
1042         struct rte_event_crypto_adapter_stats dev_stats;
1043         struct rte_eventdev *dev;
1044         struct crypto_device_info *dev_info;
1045         uint32_t i;
1046         int ret;
1047
1048         EVENT_CRYPTO_ADAPTER_ID_VALID_OR_ERR_RET(id, -EINVAL);
1049
1050         adapter = eca_id_to_adapter(id);
1051         if (adapter == NULL || stats == NULL)
1052                 return -EINVAL;
1053
1054         dev = &rte_eventdevs[adapter->eventdev_id];
1055         memset(stats, 0, sizeof(*stats));
1056         for (i = 0; i < rte_cryptodev_count(); i++) {
1057                 dev_info = &adapter->cdevs[i];
1058                 if (dev_info->internal_event_port == 0 ||
1059                         dev->dev_ops->crypto_adapter_stats_get == NULL)
1060                         continue;
1061                 ret = (*dev->dev_ops->crypto_adapter_stats_get)(dev,
1062                                                 dev_info->dev,
1063                                                 &dev_stats);
1064                 if (ret)
1065                         continue;
1066
1067                 dev_stats_sum.crypto_deq_count += dev_stats.crypto_deq_count;
1068                 dev_stats_sum.event_enq_count +=
1069                         dev_stats.event_enq_count;
1070         }
1071
1072         if (adapter->service_inited)
1073                 *stats = adapter->crypto_stats;
1074
1075         stats->crypto_deq_count += dev_stats_sum.crypto_deq_count;
1076         stats->event_enq_count += dev_stats_sum.event_enq_count;
1077
1078         return 0;
1079 }
1080
1081 int
1082 rte_event_crypto_adapter_stats_reset(uint8_t id)
1083 {
1084         struct rte_event_crypto_adapter *adapter;
1085         struct crypto_device_info *dev_info;
1086         struct rte_eventdev *dev;
1087         uint32_t i;
1088
1089         EVENT_CRYPTO_ADAPTER_ID_VALID_OR_ERR_RET(id, -EINVAL);
1090
1091         adapter = eca_id_to_adapter(id);
1092         if (adapter == NULL)
1093                 return -EINVAL;
1094
1095         dev = &rte_eventdevs[adapter->eventdev_id];
1096         for (i = 0; i < rte_cryptodev_count(); i++) {
1097                 dev_info = &adapter->cdevs[i];
1098                 if (dev_info->internal_event_port == 0 ||
1099                         dev->dev_ops->crypto_adapter_stats_reset == NULL)
1100                         continue;
1101                 (*dev->dev_ops->crypto_adapter_stats_reset)(dev,
1102                                                 dev_info->dev);
1103         }
1104
1105         memset(&adapter->crypto_stats, 0, sizeof(adapter->crypto_stats));
1106         return 0;
1107 }
1108
1109 int
1110 rte_event_crypto_adapter_service_id_get(uint8_t id, uint32_t *service_id)
1111 {
1112         struct rte_event_crypto_adapter *adapter;
1113
1114         EVENT_CRYPTO_ADAPTER_ID_VALID_OR_ERR_RET(id, -EINVAL);
1115
1116         adapter = eca_id_to_adapter(id);
1117         if (adapter == NULL || service_id == NULL)
1118                 return -EINVAL;
1119
1120         if (adapter->service_inited)
1121                 *service_id = adapter->service_id;
1122
1123         return adapter->service_inited ? 0 : -ESRCH;
1124 }
1125
1126 int
1127 rte_event_crypto_adapter_event_port_get(uint8_t id, uint8_t *event_port_id)
1128 {
1129         struct rte_event_crypto_adapter *adapter;
1130
1131         EVENT_CRYPTO_ADAPTER_ID_VALID_OR_ERR_RET(id, -EINVAL);
1132
1133         adapter = eca_id_to_adapter(id);
1134         if (adapter == NULL || event_port_id == NULL)
1135                 return -EINVAL;
1136
1137         *event_port_id = adapter->event_port_id;
1138
1139         return 0;
1140 }