lib/librte_cryptodev/rte_cryptodev.c

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2015-2017 Intel Corporation
   3  */
   4
   5 #include <sys/types.h>
   6 #include <sys/queue.h>
   7 #include <ctype.h>
   8 #include <stdio.h>
   9 #include <stdlib.h>
  10 #include <string.h>
  11 #include <stdarg.h>
  12 #include <errno.h>
  13 #include <stdint.h>
  14 #include <inttypes.h>
  15 #include <netinet/in.h>
  16
  17 #include <rte_byteorder.h>
  18 #include <rte_log.h>
  19 #include <rte_debug.h>
  20 #include <rte_dev.h>
  21 #include <rte_interrupts.h>
  22 #include <rte_memory.h>
  23 #include <rte_memcpy.h>
  24 #include <rte_memzone.h>
  25 #include <rte_launch.h>
  26 #include <rte_tailq.h>
  27 #include <rte_eal.h>
  28 #include <rte_per_lcore.h>
  29 #include <rte_lcore.h>
  30 #include <rte_atomic.h>
  31 #include <rte_branch_prediction.h>
  32 #include <rte_common.h>
  33 #include <rte_mempool.h>
  34 #include <rte_malloc.h>
  35 #include <rte_mbuf.h>
  36 #include <rte_errno.h>
  37 #include <rte_spinlock.h>
  38 #include <rte_string_fns.h>
  39
  40 #include "rte_crypto.h"
  41 #include "rte_cryptodev.h"
  42 #include "rte_cryptodev_pmd.h"
  43
  44 static uint8_t nb_drivers;
  45
  46 struct rte_cryptodev rte_crypto_devices[RTE_CRYPTO_MAX_DEVS];
  47
  48 struct rte_cryptodev *rte_cryptodevs = &rte_crypto_devices[0];
  49
  50 static struct rte_cryptodev_global cryptodev_globals = {
  51                 .devs                   = &rte_crypto_devices[0],
  52                 .data                   = { NULL },
  53                 .nb_devs                = 0,
  54                 .max_devs               = RTE_CRYPTO_MAX_DEVS
  55 };
  56
  57 struct rte_cryptodev_global *rte_cryptodev_globals = &cryptodev_globals;
  58
  59 /* spinlock for crypto device callbacks */
  60 static rte_spinlock_t rte_cryptodev_cb_lock = RTE_SPINLOCK_INITIALIZER;
  61
  62
  63 /**
  64  * The user application callback description.
  65  *
  66  * It contains callback address to be registered by user application,
  67  * the pointer to the parameters for callback, and the event type.
  68  */
  69 struct rte_cryptodev_callback {
  70         TAILQ_ENTRY(rte_cryptodev_callback) next; /**< Callbacks list */
  71         rte_cryptodev_cb_fn cb_fn;              /**< Callback address */
  72         void *cb_arg;                           /**< Parameter for callback */
  73         enum rte_cryptodev_event_type event;    /**< Interrupt event type */
  74         uint32_t active;                        /**< Callback is executing */
  75 };
  76
  77 /**
  78  * The crypto cipher algorithm strings identifiers.
  79  * It could be used in application command line.
  80  */
  81 const char *
  82 rte_crypto_cipher_algorithm_strings[] = {
  83         [RTE_CRYPTO_CIPHER_3DES_CBC]    = "3des-cbc",
  84         [RTE_CRYPTO_CIPHER_3DES_ECB]    = "3des-ecb",
  85         [RTE_CRYPTO_CIPHER_3DES_CTR]    = "3des-ctr",
  86
  87         [RTE_CRYPTO_CIPHER_AES_CBC]     = "aes-cbc",
  88         [RTE_CRYPTO_CIPHER_AES_CTR]     = "aes-ctr",
  89         [RTE_CRYPTO_CIPHER_AES_DOCSISBPI]       = "aes-docsisbpi",
  90         [RTE_CRYPTO_CIPHER_AES_ECB]     = "aes-ecb",
  91         [RTE_CRYPTO_CIPHER_AES_F8]      = "aes-f8",
  92         [RTE_CRYPTO_CIPHER_AES_XTS]     = "aes-xts",
  93
  94         [RTE_CRYPTO_CIPHER_ARC4]        = "arc4",
  95
  96         [RTE_CRYPTO_CIPHER_DES_CBC]     = "des-cbc",
  97         [RTE_CRYPTO_CIPHER_DES_DOCSISBPI]       = "des-docsisbpi",
  98
  99         [RTE_CRYPTO_CIPHER_NULL]        = "null",
 100
 101         [RTE_CRYPTO_CIPHER_KASUMI_F8]   = "kasumi-f8",
 102         [RTE_CRYPTO_CIPHER_SNOW3G_UEA2] = "snow3g-uea2",
 103         [RTE_CRYPTO_CIPHER_ZUC_EEA3]    = "zuc-eea3"
 104 };
 105
 106 /**
 107  * The crypto cipher operation strings identifiers.
 108  * It could be used in application command line.
 109  */
 110 const char *
 111 rte_crypto_cipher_operation_strings[] = {
 112                 [RTE_CRYPTO_CIPHER_OP_ENCRYPT]  = "encrypt",
 113                 [RTE_CRYPTO_CIPHER_OP_DECRYPT]  = "decrypt"
 114 };
 115
 116 /**
 117  * The crypto auth algorithm strings identifiers.
 118  * It could be used in application command line.
 119  */
 120 const char *
 121 rte_crypto_auth_algorithm_strings[] = {
 122         [RTE_CRYPTO_AUTH_AES_CBC_MAC]   = "aes-cbc-mac",
 123         [RTE_CRYPTO_AUTH_AES_CMAC]      = "aes-cmac",
 124         [RTE_CRYPTO_AUTH_AES_GMAC]      = "aes-gmac",
 125         [RTE_CRYPTO_AUTH_AES_XCBC_MAC]  = "aes-xcbc-mac",
 126
 127         [RTE_CRYPTO_AUTH_MD5]           = "md5",
 128         [RTE_CRYPTO_AUTH_MD5_HMAC]      = "md5-hmac",
 129
 130         [RTE_CRYPTO_AUTH_NULL]          = "null",
 131
 132         [RTE_CRYPTO_AUTH_SHA1]          = "sha1",
 133         [RTE_CRYPTO_AUTH_SHA1_HMAC]     = "sha1-hmac",
 134
 135         [RTE_CRYPTO_AUTH_SHA224]        = "sha2-224",
 136         [RTE_CRYPTO_AUTH_SHA224_HMAC]   = "sha2-224-hmac",
 137         [RTE_CRYPTO_AUTH_SHA256]        = "sha2-256",
 138         [RTE_CRYPTO_AUTH_SHA256_HMAC]   = "sha2-256-hmac",
 139         [RTE_CRYPTO_AUTH_SHA384]        = "sha2-384",
 140         [RTE_CRYPTO_AUTH_SHA384_HMAC]   = "sha2-384-hmac",
 141         [RTE_CRYPTO_AUTH_SHA512]        = "sha2-512",
 142         [RTE_CRYPTO_AUTH_SHA512_HMAC]   = "sha2-512-hmac",
 143
 144         [RTE_CRYPTO_AUTH_KASUMI_F9]     = "kasumi-f9",
 145         [RTE_CRYPTO_AUTH_SNOW3G_UIA2]   = "snow3g-uia2",
 146         [RTE_CRYPTO_AUTH_ZUC_EIA3]      = "zuc-eia3"
 147 };
 148
 149 /**
 150  * The crypto AEAD algorithm strings identifiers.
 151  * It could be used in application command line.
 152  */
 153 const char *
 154 rte_crypto_aead_algorithm_strings[] = {
 155         [RTE_CRYPTO_AEAD_AES_CCM]       = "aes-ccm",
 156         [RTE_CRYPTO_AEAD_AES_GCM]       = "aes-gcm",
 157 };
 158
 159 /**
 160  * The crypto AEAD operation strings identifiers.
 161  * It could be used in application command line.
 162  */
 163 const char *
 164 rte_crypto_aead_operation_strings[] = {
 165         [RTE_CRYPTO_AEAD_OP_ENCRYPT]    = "encrypt",
 166         [RTE_CRYPTO_AEAD_OP_DECRYPT]    = "decrypt"
 167 };
 168
 169 int
 170 rte_cryptodev_get_cipher_algo_enum(enum rte_crypto_cipher_algorithm *algo_enum,
 171                 const char *algo_string)
 172 {
 173         unsigned int i;
 174
 175         for (i = 1; i < RTE_DIM(rte_crypto_cipher_algorithm_strings); i++) {
 176                 if (strcmp(algo_string, rte_crypto_cipher_algorithm_strings[i]) == 0) {
 177                         *algo_enum = (enum rte_crypto_cipher_algorithm) i;
 178                         return 0;
 179                 }
 180         }
 181
 182         /* Invalid string */
 183         return -1;
 184 }
 185
 186 int
 187 rte_cryptodev_get_auth_algo_enum(enum rte_crypto_auth_algorithm *algo_enum,
 188                 const char *algo_string)
 189 {
 190         unsigned int i;
 191
 192         for (i = 1; i < RTE_DIM(rte_crypto_auth_algorithm_strings); i++) {
 193                 if (strcmp(algo_string, rte_crypto_auth_algorithm_strings[i]) == 0) {
 194                         *algo_enum = (enum rte_crypto_auth_algorithm) i;
 195                         return 0;
 196                 }
 197         }
 198
 199         /* Invalid string */
 200         return -1;
 201 }
 202
 203 int
 204 rte_cryptodev_get_aead_algo_enum(enum rte_crypto_aead_algorithm *algo_enum,
 205                 const char *algo_string)
 206 {
 207         unsigned int i;
 208
 209         for (i = 1; i < RTE_DIM(rte_crypto_aead_algorithm_strings); i++) {
 210                 if (strcmp(algo_string, rte_crypto_aead_algorithm_strings[i]) == 0) {
 211                         *algo_enum = (enum rte_crypto_aead_algorithm) i;
 212                         return 0;
 213                 }
 214         }
 215
 216         /* Invalid string */
 217         return -1;
 218 }
 219
 220 /**
 221  * The crypto auth operation strings identifiers.
 222  * It could be used in application command line.
 223  */
 224 const char *
 225 rte_crypto_auth_operation_strings[] = {
 226                 [RTE_CRYPTO_AUTH_OP_VERIFY]     = "verify",
 227                 [RTE_CRYPTO_AUTH_OP_GENERATE]   = "generate"
 228 };
 229
 230 const struct rte_cryptodev_symmetric_capability *
 231 rte_cryptodev_sym_capability_get(uint8_t dev_id,
 232                 const struct rte_cryptodev_sym_capability_idx *idx)
 233 {
 234         const struct rte_cryptodev_capabilities *capability;
 235         struct rte_cryptodev_info dev_info;
 236         int i = 0;
 237
 238         rte_cryptodev_info_get(dev_id, &dev_info);
 239
 240         while ((capability = &dev_info.capabilities[i++])->op !=
 241                         RTE_CRYPTO_OP_TYPE_UNDEFINED) {
 242                 if (capability->op != RTE_CRYPTO_OP_TYPE_SYMMETRIC)
 243                         continue;
 244
 245                 if (capability->sym.xform_type != idx->type)
 246                         continue;
 247
 248                 if (idx->type == RTE_CRYPTO_SYM_XFORM_AUTH &&
 249                         capability->sym.auth.algo == idx->algo.auth)
 250                         return &capability->sym;
 251
 252                 if (idx->type == RTE_CRYPTO_SYM_XFORM_CIPHER &&
 253                         capability->sym.cipher.algo == idx->algo.cipher)
 254                         return &capability->sym;
 255
 256                 if (idx->type == RTE_CRYPTO_SYM_XFORM_AEAD &&
 257                                 capability->sym.aead.algo == idx->algo.aead)
 258                         return &capability->sym;
 259         }
 260
 261         return NULL;
 262
 263 }
 264
 265 #define param_range_check(x, y) \
 266         (((x < y.min) || (x > y.max)) || \
 267         (y.increment != 0 && (x % y.increment) != 0))
 268
 269 int
 270 rte_cryptodev_sym_capability_check_cipher(
 271                 const struct rte_cryptodev_symmetric_capability *capability,
 272                 uint16_t key_size, uint16_t iv_size)
 273 {
 274         if (param_range_check(key_size, capability->cipher.key_size))
 275                 return -1;
 276
 277         if (param_range_check(iv_size, capability->cipher.iv_size))
 278                 return -1;
 279
 280         return 0;
 281 }
 282
 283 int
 284 rte_cryptodev_sym_capability_check_auth(
 285                 const struct rte_cryptodev_symmetric_capability *capability,
 286                 uint16_t key_size, uint16_t digest_size, uint16_t iv_size)
 287 {
 288         if (param_range_check(key_size, capability->auth.key_size))
 289                 return -1;
 290
 291         if (param_range_check(digest_size, capability->auth.digest_size))
 292                 return -1;
 293
 294         if (param_range_check(iv_size, capability->auth.iv_size))
 295                 return -1;
 296
 297         return 0;
 298 }
 299
 300 int
 301 rte_cryptodev_sym_capability_check_aead(
 302                 const struct rte_cryptodev_symmetric_capability *capability,
 303                 uint16_t key_size, uint16_t digest_size, uint16_t aad_size,
 304                 uint16_t iv_size)
 305 {
 306         if (param_range_check(key_size, capability->aead.key_size))
 307                 return -1;
 308
 309         if (param_range_check(digest_size, capability->aead.digest_size))
 310                 return -1;
 311
 312         if (param_range_check(aad_size, capability->aead.aad_size))
 313                 return -1;
 314
 315         if (param_range_check(iv_size, capability->aead.iv_size))
 316                 return -1;
 317
 318         return 0;
 319 }
 320
 321 const char *
 322 rte_cryptodev_get_feature_name(uint64_t flag)
 323 {
 324         switch (flag) {
 325         case RTE_CRYPTODEV_FF_SYMMETRIC_CRYPTO:
 326                 return "SYMMETRIC_CRYPTO";
 327         case RTE_CRYPTODEV_FF_ASYMMETRIC_CRYPTO:
 328                 return "ASYMMETRIC_CRYPTO";
 329         case RTE_CRYPTODEV_FF_SYM_OPERATION_CHAINING:
 330                 return "SYM_OPERATION_CHAINING";
 331         case RTE_CRYPTODEV_FF_CPU_SSE:
 332                 return "CPU_SSE";
 333         case RTE_CRYPTODEV_FF_CPU_AVX:
 334                 return "CPU_AVX";
 335         case RTE_CRYPTODEV_FF_CPU_AVX2:
 336                 return "CPU_AVX2";
 337         case RTE_CRYPTODEV_FF_CPU_AVX512:
 338                 return "CPU_AVX512";
 339         case RTE_CRYPTODEV_FF_CPU_AESNI:
 340                 return "CPU_AESNI";
 341         case RTE_CRYPTODEV_FF_HW_ACCELERATED:
 342                 return "HW_ACCELERATED";
 343         case RTE_CRYPTODEV_FF_MBUF_SCATTER_GATHER:
 344                 return "MBUF_SCATTER_GATHER";
 345         case RTE_CRYPTODEV_FF_CPU_NEON:
 346                 return "CPU_NEON";
 347         case RTE_CRYPTODEV_FF_CPU_ARM_CE:
 348                 return "CPU_ARM_CE";
 349         default:
 350                 return NULL;
 351         }
 352 }
 353
 354 struct rte_cryptodev *
 355 rte_cryptodev_pmd_get_dev(uint8_t dev_id)
 356 {
 357         return &rte_cryptodev_globals->devs[dev_id];
 358 }
 359
 360 struct rte_cryptodev *
 361 rte_cryptodev_pmd_get_named_dev(const char *name)
 362 {
 363         struct rte_cryptodev *dev;
 364         unsigned int i;
 365
 366         if (name == NULL)
 367                 return NULL;
 368
 369         for (i = 0; i < rte_cryptodev_globals->max_devs; i++) {
 370                 dev = &rte_cryptodev_globals->devs[i];
 371
 372                 if ((dev->attached == RTE_CRYPTODEV_ATTACHED) &&
 373                                 (strcmp(dev->data->name, name) == 0))
 374                         return dev;
 375         }
 376
 377         return NULL;
 378 }
 379
 380 unsigned int
 381 rte_cryptodev_pmd_is_valid_dev(uint8_t dev_id)
 382 {
 383         struct rte_cryptodev *dev = NULL;
 384
 385         if (dev_id >= rte_cryptodev_globals->nb_devs)
 386                 return 0;
 387
 388         dev = rte_cryptodev_pmd_get_dev(dev_id);
 389         if (dev->attached != RTE_CRYPTODEV_ATTACHED)
 390                 return 0;
 391         else
 392                 return 1;
 393 }
 394
 395
 396 int
 397 rte_cryptodev_get_dev_id(const char *name)
 398 {
 399         unsigned i;
 400
 401         if (name == NULL)
 402                 return -1;
 403
 404         for (i = 0; i < rte_cryptodev_globals->nb_devs; i++)
 405                 if ((strcmp(rte_cryptodev_globals->devs[i].data->name, name)
 406                                 == 0) &&
 407                                 (rte_cryptodev_globals->devs[i].attached ==
 408                                                 RTE_CRYPTODEV_ATTACHED))
 409                         return i;
 410
 411         return -1;
 412 }
 413
 414 uint8_t
 415 rte_cryptodev_count(void)
 416 {
 417         return rte_cryptodev_globals->nb_devs;
 418 }
 419
 420 uint8_t
 421 rte_cryptodev_device_count_by_driver(uint8_t driver_id)
 422 {
 423         uint8_t i, dev_count = 0;
 424
 425         for (i = 0; i < rte_cryptodev_globals->max_devs; i++)
 426                 if (rte_cryptodev_globals->devs[i].driver_id == driver_id &&
 427                         rte_cryptodev_globals->devs[i].attached ==
 428                                         RTE_CRYPTODEV_ATTACHED)
 429                         dev_count++;
 430
 431         return dev_count;
 432 }
 433
 434 uint8_t
 435 rte_cryptodev_devices_get(const char *driver_name, uint8_t *devices,
 436         uint8_t nb_devices)
 437 {
 438         uint8_t i, count = 0;
 439         struct rte_cryptodev *devs = rte_cryptodev_globals->devs;
 440         uint8_t max_devs = rte_cryptodev_globals->max_devs;
 441
 442         for (i = 0; i < max_devs && count < nb_devices; i++) {
 443
 444                 if (devs[i].attached == RTE_CRYPTODEV_ATTACHED) {
 445                         int cmp;
 446
 447                         cmp = strncmp(devs[i].device->driver->name,
 448                                         driver_name,
 449                                         strlen(driver_name));
 450
 451                         if (cmp == 0)
 452                                 devices[count++] = devs[i].data->dev_id;
 453                 }
 454         }
 455
 456         return count;
 457 }
 458
 459 void *
 460 rte_cryptodev_get_sec_ctx(uint8_t dev_id)
 461 {
 462         if (rte_crypto_devices[dev_id].feature_flags &
 463                         RTE_CRYPTODEV_FF_SECURITY)
 464                 return rte_crypto_devices[dev_id].security_ctx;
 465
 466         return NULL;
 467 }
 468
 469 int
 470 rte_cryptodev_socket_id(uint8_t dev_id)
 471 {
 472         struct rte_cryptodev *dev;
 473
 474         if (!rte_cryptodev_pmd_is_valid_dev(dev_id))
 475                 return -1;
 476
 477         dev = rte_cryptodev_pmd_get_dev(dev_id);
 478
 479         return dev->data->socket_id;
 480 }
 481
 482 static inline int
 483 rte_cryptodev_data_alloc(uint8_t dev_id, struct rte_cryptodev_data **data,
 484                 int socket_id)
 485 {
 486         char mz_name[RTE_CRYPTODEV_NAME_MAX_LEN];
 487         const struct rte_memzone *mz;
 488         int n;
 489
 490         /* generate memzone name */
 491         n = snprintf(mz_name, sizeof(mz_name), "rte_cryptodev_data_%u", dev_id);
 492         if (n >= (int)sizeof(mz_name))
 493                 return -EINVAL;
 494
 495         if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
 496                 mz = rte_memzone_reserve(mz_name,
 497                                 sizeof(struct rte_cryptodev_data),
 498                                 socket_id, 0);
 499         } else
 500                 mz = rte_memzone_lookup(mz_name);
 501
 502         if (mz == NULL)
 503                 return -ENOMEM;
 504
 505         *data = mz->addr;
 506         if (rte_eal_process_type() == RTE_PROC_PRIMARY)
 507                 memset(*data, 0, sizeof(struct rte_cryptodev_data));
 508
 509         return 0;
 510 }
 511
 512 static uint8_t
 513 rte_cryptodev_find_free_device_index(void)
 514 {
 515         uint8_t dev_id;
 516
 517         for (dev_id = 0; dev_id < RTE_CRYPTO_MAX_DEVS; dev_id++) {
 518                 if (rte_crypto_devices[dev_id].attached ==
 519                                 RTE_CRYPTODEV_DETACHED)
 520                         return dev_id;
 521         }
 522         return RTE_CRYPTO_MAX_DEVS;
 523 }
 524
 525 struct rte_cryptodev *
 526 rte_cryptodev_pmd_allocate(const char *name, int socket_id)
 527 {
 528         struct rte_cryptodev *cryptodev;
 529         uint8_t dev_id;
 530
 531         if (rte_cryptodev_pmd_get_named_dev(name) != NULL) {
 532                 CDEV_LOG_ERR("Crypto device with name %s already "
 533                                 "allocated!", name);
 534                 return NULL;
 535         }
 536
 537         dev_id = rte_cryptodev_find_free_device_index();
 538         if (dev_id == RTE_CRYPTO_MAX_DEVS) {
 539                 CDEV_LOG_ERR("Reached maximum number of crypto devices");
 540                 return NULL;
 541         }
 542
 543         cryptodev = rte_cryptodev_pmd_get_dev(dev_id);
 544
 545         if (cryptodev->data == NULL) {
 546                 struct rte_cryptodev_data *cryptodev_data =
 547                                 cryptodev_globals.data[dev_id];
 548
 549                 int retval = rte_cryptodev_data_alloc(dev_id, &cryptodev_data,
 550                                 socket_id);
 551
 552                 if (retval < 0 || cryptodev_data == NULL)
 553                         return NULL;
 554
 555                 cryptodev->data = cryptodev_data;
 556
 557                 snprintf(cryptodev->data->name, RTE_CRYPTODEV_NAME_MAX_LEN,
 558                                 "%s", name);
 559
 560                 cryptodev->data->dev_id = dev_id;
 561                 cryptodev->data->socket_id = socket_id;
 562                 cryptodev->data->dev_started = 0;
 563
 564                 /* init user callbacks */
 565                 TAILQ_INIT(&(cryptodev->link_intr_cbs));
 566
 567                 cryptodev->attached = RTE_CRYPTODEV_ATTACHED;
 568
 569                 cryptodev_globals.nb_devs++;
 570         }
 571
 572         return cryptodev;
 573 }
 574
 575 int
 576 rte_cryptodev_pmd_release_device(struct rte_cryptodev *cryptodev)
 577 {
 578         int ret;
 579
 580         if (cryptodev == NULL)
 581                 return -EINVAL;
 582
 583         /* Close device only if device operations have been set */
 584         if (cryptodev->dev_ops) {
 585                 ret = rte_cryptodev_close(cryptodev->data->dev_id);
 586                 if (ret < 0)
 587                         return ret;
 588         }
 589
 590         cryptodev->attached = RTE_CRYPTODEV_DETACHED;
 591         cryptodev_globals.nb_devs--;
 592         return 0;
 593 }
 594
 595 uint16_t
 596 rte_cryptodev_queue_pair_count(uint8_t dev_id)
 597 {
 598         struct rte_cryptodev *dev;
 599
 600         dev = &rte_crypto_devices[dev_id];
 601         return dev->data->nb_queue_pairs;
 602 }
 603
 604 static int
 605 rte_cryptodev_queue_pairs_config(struct rte_cryptodev *dev, uint16_t nb_qpairs,
 606                 int socket_id)
 607 {
 608         struct rte_cryptodev_info dev_info;
 609         void **qp;
 610         unsigned i;
 611
 612         if ((dev == NULL) || (nb_qpairs < 1)) {
 613                 CDEV_LOG_ERR("invalid param: dev %p, nb_queues %u",
 614                                                         dev, nb_qpairs);
 615                 return -EINVAL;
 616         }
 617
 618         CDEV_LOG_DEBUG("Setup %d queues pairs on device %u",
 619                         nb_qpairs, dev->data->dev_id);
 620
 621         memset(&dev_info, 0, sizeof(struct rte_cryptodev_info));
 622
 623         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_infos_get, -ENOTSUP);
 624         (*dev->dev_ops->dev_infos_get)(dev, &dev_info);
 625
 626         if (nb_qpairs > (dev_info.max_nb_queue_pairs)) {
 627                 CDEV_LOG_ERR("Invalid num queue_pairs (%u) for dev %u",
 628                                 nb_qpairs, dev->data->dev_id);
 629             return -EINVAL;
 630         }
 631
 632         if (dev->data->queue_pairs == NULL) { /* first time configuration */
 633                 dev->data->queue_pairs = rte_zmalloc_socket(
 634                                 "cryptodev->queue_pairs",
 635                                 sizeof(dev->data->queue_pairs[0]) * nb_qpairs,
 636                                 RTE_CACHE_LINE_SIZE, socket_id);
 637
 638                 if (dev->data->queue_pairs == NULL) {
 639                         dev->data->nb_queue_pairs = 0;
 640                         CDEV_LOG_ERR("failed to get memory for qp meta data, "
 641                                                         "nb_queues %u",
 642                                                         nb_qpairs);
 643                         return -(ENOMEM);
 644                 }
 645         } else { /* re-configure */
 646                 int ret;
 647                 uint16_t old_nb_queues = dev->data->nb_queue_pairs;
 648
 649                 qp = dev->data->queue_pairs;
 650
 651                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->queue_pair_release,
 652                                 -ENOTSUP);
 653
 654                 for (i = nb_qpairs; i < old_nb_queues; i++) {
 655                         ret = (*dev->dev_ops->queue_pair_release)(dev, i);
 656                         if (ret < 0)
 657                                 return ret;
 658                 }
 659
 660                 qp = rte_realloc(qp, sizeof(qp[0]) * nb_qpairs,
 661                                 RTE_CACHE_LINE_SIZE);
 662                 if (qp == NULL) {
 663                         CDEV_LOG_ERR("failed to realloc qp meta data,"
 664                                                 " nb_queues %u", nb_qpairs);
 665                         return -(ENOMEM);
 666                 }
 667
 668                 if (nb_qpairs > old_nb_queues) {
 669                         uint16_t new_qs = nb_qpairs - old_nb_queues;
 670
 671                         memset(qp + old_nb_queues, 0,
 672                                 sizeof(qp[0]) * new_qs);
 673                 }
 674
 675                 dev->data->queue_pairs = qp;
 676
 677         }
 678         dev->data->nb_queue_pairs = nb_qpairs;
 679         return 0;
 680 }
 681
 682 int
 683 rte_cryptodev_queue_pair_start(uint8_t dev_id, uint16_t queue_pair_id)
 684 {
 685         struct rte_cryptodev *dev;
 686
 687         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
 688                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
 689                 return -EINVAL;
 690         }
 691
 692         dev = &rte_crypto_devices[dev_id];
 693         if (queue_pair_id >= dev->data->nb_queue_pairs) {
 694                 CDEV_LOG_ERR("Invalid queue_pair_id=%d", queue_pair_id);
 695                 return -EINVAL;
 696         }
 697
 698         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->queue_pair_start, -ENOTSUP);
 699
 700         return dev->dev_ops->queue_pair_start(dev, queue_pair_id);
 701
 702 }
 703
 704 int
 705 rte_cryptodev_queue_pair_stop(uint8_t dev_id, uint16_t queue_pair_id)
 706 {
 707         struct rte_cryptodev *dev;
 708
 709         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
 710                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
 711                 return -EINVAL;
 712         }
 713
 714         dev = &rte_crypto_devices[dev_id];
 715         if (queue_pair_id >= dev->data->nb_queue_pairs) {
 716                 CDEV_LOG_ERR("Invalid queue_pair_id=%d", queue_pair_id);
 717                 return -EINVAL;
 718         }
 719
 720         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->queue_pair_stop, -ENOTSUP);
 721
 722         return dev->dev_ops->queue_pair_stop(dev, queue_pair_id);
 723
 724 }
 725
 726 int
 727 rte_cryptodev_configure(uint8_t dev_id, struct rte_cryptodev_config *config)
 728 {
 729         struct rte_cryptodev *dev;
 730         int diag;
 731
 732         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
 733                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
 734                 return -EINVAL;
 735         }
 736
 737         dev = &rte_crypto_devices[dev_id];
 738
 739         if (dev->data->dev_started) {
 740                 CDEV_LOG_ERR(
 741                     "device %d must be stopped to allow configuration", dev_id);
 742                 return -EBUSY;
 743         }
 744
 745         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_configure, -ENOTSUP);
 746
 747         /* Setup new number of queue pairs and reconfigure device. */
 748         diag = rte_cryptodev_queue_pairs_config(dev, config->nb_queue_pairs,
 749                         config->socket_id);
 750         if (diag != 0) {
 751                 CDEV_LOG_ERR("dev%d rte_crypto_dev_queue_pairs_config = %d",
 752                                 dev_id, diag);
 753                 return diag;
 754         }
 755
 756         return (*dev->dev_ops->dev_configure)(dev, config);
 757 }
 758
 759
 760 int
 761 rte_cryptodev_start(uint8_t dev_id)
 762 {
 763         struct rte_cryptodev *dev;
 764         int diag;
 765
 766         CDEV_LOG_DEBUG("Start dev_id=%" PRIu8, dev_id);
 767
 768         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
 769                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
 770                 return -EINVAL;
 771         }
 772
 773         dev = &rte_crypto_devices[dev_id];
 774
 775         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_start, -ENOTSUP);
 776
 777         if (dev->data->dev_started != 0) {
 778                 CDEV_LOG_ERR("Device with dev_id=%" PRIu8 " already started",
 779                         dev_id);
 780                 return 0;
 781         }
 782
 783         diag = (*dev->dev_ops->dev_start)(dev);
 784         if (diag == 0)
 785                 dev->data->dev_started = 1;
 786         else
 787                 return diag;
 788
 789         return 0;
 790 }
 791
 792 void
 793 rte_cryptodev_stop(uint8_t dev_id)
 794 {
 795         struct rte_cryptodev *dev;
 796
 797         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
 798                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
 799                 return;
 800         }
 801
 802         dev = &rte_crypto_devices[dev_id];
 803
 804         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->dev_stop);
 805
 806         if (dev->data->dev_started == 0) {
 807                 CDEV_LOG_ERR("Device with dev_id=%" PRIu8 " already stopped",
 808                         dev_id);
 809                 return;
 810         }
 811
 812         (*dev->dev_ops->dev_stop)(dev);
 813         dev->data->dev_started = 0;
 814 }
 815
 816 int
 817 rte_cryptodev_close(uint8_t dev_id)
 818 {
 819         struct rte_cryptodev *dev;
 820         int retval;
 821
 822         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
 823                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
 824                 return -1;
 825         }
 826
 827         dev = &rte_crypto_devices[dev_id];
 828
 829         /* Device must be stopped before it can be closed */
 830         if (dev->data->dev_started == 1) {
 831                 CDEV_LOG_ERR("Device %u must be stopped before closing",
 832                                 dev_id);
 833                 return -EBUSY;
 834         }
 835
 836         /* We can't close the device if there are outstanding sessions in use */
 837         if (dev->data->session_pool != NULL) {
 838                 if (!rte_mempool_full(dev->data->session_pool)) {
 839                         CDEV_LOG_ERR("dev_id=%u close failed, session mempool "
 840                                         "has sessions still in use, free "
 841                                         "all sessions before calling close",
 842                                         (unsigned)dev_id);
 843                         return -EBUSY;
 844                 }
 845         }
 846
 847         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_close, -ENOTSUP);
 848         retval = (*dev->dev_ops->dev_close)(dev);
 849
 850         if (retval < 0)
 851                 return retval;
 852
 853         return 0;
 854 }
 855
 856 int
 857 rte_cryptodev_queue_pair_setup(uint8_t dev_id, uint16_t queue_pair_id,
 858                 const struct rte_cryptodev_qp_conf *qp_conf, int socket_id,
 859                 struct rte_mempool *session_pool)
 860
 861 {
 862         struct rte_cryptodev *dev;
 863
 864         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
 865                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
 866                 return -EINVAL;
 867         }
 868
 869         dev = &rte_crypto_devices[dev_id];
 870         if (queue_pair_id >= dev->data->nb_queue_pairs) {
 871                 CDEV_LOG_ERR("Invalid queue_pair_id=%d", queue_pair_id);
 872                 return -EINVAL;
 873         }
 874
 875         if (dev->data->dev_started) {
 876                 CDEV_LOG_ERR(
 877                     "device %d must be stopped to allow configuration", dev_id);
 878                 return -EBUSY;
 879         }
 880
 881         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->queue_pair_setup, -ENOTSUP);
 882
 883         return (*dev->dev_ops->queue_pair_setup)(dev, queue_pair_id, qp_conf,
 884                         socket_id, session_pool);
 885 }
 886
 887
 888 int
 889 rte_cryptodev_stats_get(uint8_t dev_id, struct rte_cryptodev_stats *stats)
 890 {
 891         struct rte_cryptodev *dev;
 892
 893         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
 894                 CDEV_LOG_ERR("Invalid dev_id=%d", dev_id);
 895                 return -ENODEV;
 896         }
 897
 898         if (stats == NULL) {
 899                 CDEV_LOG_ERR("Invalid stats ptr");
 900                 return -EINVAL;
 901         }
 902
 903         dev = &rte_crypto_devices[dev_id];
 904         memset(stats, 0, sizeof(*stats));
 905
 906         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->stats_get, -ENOTSUP);
 907         (*dev->dev_ops->stats_get)(dev, stats);
 908         return 0;
 909 }
 910
 911 void
 912 rte_cryptodev_stats_reset(uint8_t dev_id)
 913 {
 914         struct rte_cryptodev *dev;
 915
 916         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
 917                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
 918                 return;
 919         }
 920
 921         dev = &rte_crypto_devices[dev_id];
 922
 923         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->stats_reset);
 924         (*dev->dev_ops->stats_reset)(dev);
 925 }
 926
 927
 928 void
 929 rte_cryptodev_info_get(uint8_t dev_id, struct rte_cryptodev_info *dev_info)
 930 {
 931         struct rte_cryptodev *dev;
 932
 933         if (dev_id >= cryptodev_globals.nb_devs) {
 934                 CDEV_LOG_ERR("Invalid dev_id=%d", dev_id);
 935                 return;
 936         }
 937
 938         dev = &rte_crypto_devices[dev_id];
 939
 940         memset(dev_info, 0, sizeof(struct rte_cryptodev_info));
 941
 942         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->dev_infos_get);
 943         (*dev->dev_ops->dev_infos_get)(dev, dev_info);
 944
 945         dev_info->driver_name = dev->device->driver->name;
 946 }
 947
 948
 949 int
 950 rte_cryptodev_callback_register(uint8_t dev_id,
 951                         enum rte_cryptodev_event_type event,
 952                         rte_cryptodev_cb_fn cb_fn, void *cb_arg)
 953 {
 954         struct rte_cryptodev *dev;
 955         struct rte_cryptodev_callback *user_cb;
 956
 957         if (!cb_fn)
 958                 return -EINVAL;
 959
 960         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
 961                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
 962                 return -EINVAL;
 963         }
 964
 965         dev = &rte_crypto_devices[dev_id];
 966         rte_spinlock_lock(&rte_cryptodev_cb_lock);
 967
 968         TAILQ_FOREACH(user_cb, &(dev->link_intr_cbs), next) {
 969                 if (user_cb->cb_fn == cb_fn &&
 970                         user_cb->cb_arg == cb_arg &&
 971                         user_cb->event == event) {
 972                         break;
 973                 }
 974         }
 975
 976         /* create a new callback. */
 977         if (user_cb == NULL) {
 978                 user_cb = rte_zmalloc("INTR_USER_CALLBACK",
 979                                 sizeof(struct rte_cryptodev_callback), 0);
 980                 if (user_cb != NULL) {
 981                         user_cb->cb_fn = cb_fn;
 982                         user_cb->cb_arg = cb_arg;
 983                         user_cb->event = event;
 984                         TAILQ_INSERT_TAIL(&(dev->link_intr_cbs), user_cb, next);
 985                 }
 986         }
 987
 988         rte_spinlock_unlock(&rte_cryptodev_cb_lock);
 989         return (user_cb == NULL) ? -ENOMEM : 0;
 990 }
 991
 992 int
 993 rte_cryptodev_callback_unregister(uint8_t dev_id,
 994                         enum rte_cryptodev_event_type event,
 995                         rte_cryptodev_cb_fn cb_fn, void *cb_arg)
 996 {
 997         int ret;
 998         struct rte_cryptodev *dev;
 999         struct rte_cryptodev_callback *cb, *next;
1000
1001         if (!cb_fn)
1002                 return -EINVAL;
1003
1004         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
1005                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
1006                 return -EINVAL;
1007         }
1008
1009         dev = &rte_crypto_devices[dev_id];
1010         rte_spinlock_lock(&rte_cryptodev_cb_lock);
1011
1012         ret = 0;
1013         for (cb = TAILQ_FIRST(&dev->link_intr_cbs); cb != NULL; cb = next) {
1014
1015                 next = TAILQ_NEXT(cb, next);
1016
1017                 if (cb->cb_fn != cb_fn || cb->event != event ||
1018                                 (cb->cb_arg != (void *)-1 &&
1019                                 cb->cb_arg != cb_arg))
1020                         continue;
1021
1022                 /*
1023                  * if this callback is not executing right now,
1024                  * then remove it.
1025                  */
1026                 if (cb->active == 0) {
1027                         TAILQ_REMOVE(&(dev->link_intr_cbs), cb, next);
1028                         rte_free(cb);
1029                 } else {
1030                         ret = -EAGAIN;
1031                 }
1032         }
1033
1034         rte_spinlock_unlock(&rte_cryptodev_cb_lock);
1035         return ret;
1036 }
1037
1038 void
1039 rte_cryptodev_pmd_callback_process(struct rte_cryptodev *dev,
1040         enum rte_cryptodev_event_type event)
1041 {
1042         struct rte_cryptodev_callback *cb_lst;
1043         struct rte_cryptodev_callback dev_cb;
1044
1045         rte_spinlock_lock(&rte_cryptodev_cb_lock);
1046         TAILQ_FOREACH(cb_lst, &(dev->link_intr_cbs), next) {
1047                 if (cb_lst->cb_fn == NULL || cb_lst->event != event)
1048                         continue;
1049                 dev_cb = *cb_lst;
1050                 cb_lst->active = 1;
1051                 rte_spinlock_unlock(&rte_cryptodev_cb_lock);
1052                 dev_cb.cb_fn(dev->data->dev_id, dev_cb.event,
1053                                                 dev_cb.cb_arg);
1054                 rte_spinlock_lock(&rte_cryptodev_cb_lock);
1055                 cb_lst->active = 0;
1056         }
1057         rte_spinlock_unlock(&rte_cryptodev_cb_lock);
1058 }
1059
1060
1061 int
1062 rte_cryptodev_sym_session_init(uint8_t dev_id,
1063                 struct rte_cryptodev_sym_session *sess,
1064                 struct rte_crypto_sym_xform *xforms,
1065                 struct rte_mempool *mp)
1066 {
1067         struct rte_cryptodev *dev;
1068         uint8_t index;
1069         int ret;
1070
1071         dev = rte_cryptodev_pmd_get_dev(dev_id);
1072
1073         if (sess == NULL || xforms == NULL || dev == NULL)
1074                 return -EINVAL;
1075
1076         index = dev->driver_id;
1077
1078         if (sess->sess_private_data[index] == NULL) {
1079                 ret = dev->dev_ops->session_configure(dev, xforms, sess, mp);
1080                 if (ret < 0) {
1081                         CDEV_LOG_ERR(
1082                                 "dev_id %d failed to configure session details",
1083                                 dev_id);
1084                         return ret;
1085                 }
1086         }
1087
1088         return 0;
1089 }
1090
1091 struct rte_cryptodev_sym_session *
1092 rte_cryptodev_sym_session_create(struct rte_mempool *mp)
1093 {
1094         struct rte_cryptodev_sym_session *sess;
1095
1096         /* Allocate a session structure from the session pool */
1097         if (rte_mempool_get(mp, (void **)&sess)) {
1098                 CDEV_LOG_ERR("couldn't get object from session mempool");
1099                 return NULL;
1100         }
1101
1102         /* Clear device session pointer.
1103          * Include the flag indicating presence of private data
1104          */
1105         memset(sess, 0, (sizeof(void *) * nb_drivers) + sizeof(uint8_t));
1106
1107         return sess;
1108 }
1109
1110 int
1111 rte_cryptodev_queue_pair_attach_sym_session(uint8_t dev_id, uint16_t qp_id,
1112                 struct rte_cryptodev_sym_session *sess)
1113 {
1114         struct rte_cryptodev *dev;
1115
1116         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
1117                 CDEV_LOG_ERR("Invalid dev_id=%d", dev_id);
1118                 return -EINVAL;
1119         }
1120
1121         dev = &rte_crypto_devices[dev_id];
1122
1123         /* The API is optional, not returning error if driver do not suuport */
1124         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->qp_attach_session, 0);
1125
1126         void *sess_priv = get_session_private_data(sess, dev->driver_id);
1127
1128         if (dev->dev_ops->qp_attach_session(dev, qp_id, sess_priv)) {
1129                 CDEV_LOG_ERR("dev_id %d failed to attach qp: %d with session",
1130                                 dev_id, qp_id);
1131                 return -EPERM;
1132         }
1133
1134         return 0;
1135 }
1136
1137 int
1138 rte_cryptodev_queue_pair_detach_sym_session(uint8_t dev_id, uint16_t qp_id,
1139                 struct rte_cryptodev_sym_session *sess)
1140 {
1141         struct rte_cryptodev *dev;
1142
1143         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
1144                 CDEV_LOG_ERR("Invalid dev_id=%d", dev_id);
1145                 return -EINVAL;
1146         }
1147
1148         dev = &rte_crypto_devices[dev_id];
1149
1150         /* The API is optional, not returning error if driver do not suuport */
1151         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->qp_detach_session, 0);
1152
1153         void *sess_priv = get_session_private_data(sess, dev->driver_id);
1154
1155         if (dev->dev_ops->qp_detach_session(dev, qp_id, sess_priv)) {
1156                 CDEV_LOG_ERR("dev_id %d failed to detach qp: %d from session",
1157                                 dev_id, qp_id);
1158                 return -EPERM;
1159         }
1160
1161         return 0;
1162 }
1163
1164 int
1165 rte_cryptodev_sym_session_clear(uint8_t dev_id,
1166                 struct rte_cryptodev_sym_session *sess)
1167 {
1168         struct rte_cryptodev *dev;
1169
1170         dev = rte_cryptodev_pmd_get_dev(dev_id);
1171
1172         if (dev == NULL || sess == NULL)
1173                 return -EINVAL;
1174
1175         dev->dev_ops->session_clear(dev, sess);
1176
1177         return 0;
1178 }
1179
1180 int
1181 rte_cryptodev_sym_session_free(struct rte_cryptodev_sym_session *sess)
1182 {
1183         uint8_t i;
1184         void *sess_priv;
1185         struct rte_mempool *sess_mp;
1186
1187         if (sess == NULL)
1188                 return -EINVAL;
1189
1190         /* Check that all device private data has been freed */
1191         for (i = 0; i < nb_drivers; i++) {
1192                 sess_priv = get_session_private_data(sess, i);
1193                 if (sess_priv != NULL)
1194                         return -EBUSY;
1195         }
1196
1197         /* Return session to mempool */
1198         sess_mp = rte_mempool_from_obj(sess);
1199         rte_mempool_put(sess_mp, sess);
1200
1201         return 0;
1202 }
1203
1204 unsigned int
1205 rte_cryptodev_get_header_session_size(void)
1206 {
1207         /*
1208          * Header contains pointers to the private data
1209          * of all registered drivers, and a flag which
1210          * indicates presence of private data
1211          */
1212         return ((sizeof(void *) * nb_drivers) + sizeof(uint8_t));
1213 }
1214
1215 unsigned int
1216 rte_cryptodev_get_private_session_size(uint8_t dev_id)
1217 {
1218         struct rte_cryptodev *dev;
1219         unsigned int header_size = sizeof(void *) * nb_drivers;
1220         unsigned int priv_sess_size;
1221
1222         if (!rte_cryptodev_pmd_is_valid_dev(dev_id))
1223                 return 0;
1224
1225         dev = rte_cryptodev_pmd_get_dev(dev_id);
1226
1227         if (*dev->dev_ops->session_get_size == NULL)
1228                 return 0;
1229
1230         priv_sess_size = (*dev->dev_ops->session_get_size)(dev);
1231
1232         /*
1233          * If size is less than session header size,
1234          * return the latter, as this guarantees that
1235          * sessionless operations will work
1236          */
1237         if (priv_sess_size < header_size)
1238                 return header_size;
1239
1240         return priv_sess_size;
1241
1242 }
1243
1244 int __rte_experimental
1245 rte_cryptodev_sym_session_set_private_data(
1246                                         struct rte_cryptodev_sym_session *sess,
1247                                         void *data,
1248                                         uint16_t size)
1249 {
1250         uint16_t off_set = sizeof(void *) * nb_drivers;
1251         uint8_t *private_data_present = (uint8_t *)sess + off_set;
1252
1253         if (sess == NULL)
1254                 return -EINVAL;
1255
1256         *private_data_present = 1;
1257         off_set += sizeof(uint8_t);
1258         rte_memcpy((uint8_t *)sess + off_set, data, size);
1259         return 0;
1260 }
1261
1262 void * __rte_experimental
1263 rte_cryptodev_sym_session_get_private_data(
1264                                         struct rte_cryptodev_sym_session *sess)
1265 {
1266         uint16_t off_set = sizeof(void *) * nb_drivers;
1267         uint8_t *private_data_present = (uint8_t *)sess + off_set;
1268
1269         if (sess == NULL || !*private_data_present)
1270                 return NULL;
1271
1272         off_set += sizeof(uint8_t);
1273         return (uint8_t *)sess + off_set;
1274 }
1275
1276 /** Initialise rte_crypto_op mempool element */
1277 static void
1278 rte_crypto_op_init(struct rte_mempool *mempool,
1279                 void *opaque_arg,
1280                 void *_op_data,
1281                 __rte_unused unsigned i)
1282 {
1283         struct rte_crypto_op *op = _op_data;
1284         enum rte_crypto_op_type type = *(enum rte_crypto_op_type *)opaque_arg;
1285
1286         memset(_op_data, 0, mempool->elt_size);
1287
1288         __rte_crypto_op_reset(op, type);
1289
1290         op->phys_addr = rte_mem_virt2iova(_op_data);
1291         op->mempool = mempool;
1292 }
1293
1294
1295 struct rte_mempool *
1296 rte_crypto_op_pool_create(const char *name, enum rte_crypto_op_type type,
1297                 unsigned nb_elts, unsigned cache_size, uint16_t priv_size,
1298                 int socket_id)
1299 {
1300         struct rte_crypto_op_pool_private *priv;
1301
1302         unsigned elt_size = sizeof(struct rte_crypto_op) +
1303                         sizeof(struct rte_crypto_sym_op) +
1304                         priv_size;
1305
1306         /* lookup mempool in case already allocated */
1307         struct rte_mempool *mp = rte_mempool_lookup(name);
1308
1309         if (mp != NULL) {
1310                 priv = (struct rte_crypto_op_pool_private *)
1311                                 rte_mempool_get_priv(mp);
1312
1313                 if (mp->elt_size != elt_size ||
1314                                 mp->cache_size < cache_size ||
1315                                 mp->size < nb_elts ||
1316                                 priv->priv_size <  priv_size) {
1317                         mp = NULL;
1318                         CDEV_LOG_ERR("Mempool %s already exists but with "
1319                                         "incompatible parameters", name);
1320                         return NULL;
1321                 }
1322                 return mp;
1323         }
1324
1325         mp = rte_mempool_create(
1326                         name,
1327                         nb_elts,
1328                         elt_size,
1329                         cache_size,
1330                         sizeof(struct rte_crypto_op_pool_private),
1331                         NULL,
1332                         NULL,
1333                         rte_crypto_op_init,
1334                         &type,
1335                         socket_id,
1336                         0);
1337
1338         if (mp == NULL) {
1339                 CDEV_LOG_ERR("Failed to create mempool %s", name);
1340                 return NULL;
1341         }
1342
1343         priv = (struct rte_crypto_op_pool_private *)
1344                         rte_mempool_get_priv(mp);
1345
1346         priv->priv_size = priv_size;
1347         priv->type = type;
1348
1349         return mp;
1350 }
1351
1352 int
1353 rte_cryptodev_pmd_create_dev_name(char *name, const char *dev_name_prefix)
1354 {
1355         struct rte_cryptodev *dev = NULL;
1356         uint32_t i = 0;
1357
1358         if (name == NULL)
1359                 return -EINVAL;
1360
1361         for (i = 0; i < RTE_CRYPTO_MAX_DEVS; i++) {
1362                 int ret = snprintf(name, RTE_CRYPTODEV_NAME_MAX_LEN,
1363                                 "%s_%u", dev_name_prefix, i);
1364
1365                 if (ret < 0)
1366                         return ret;
1367
1368                 dev = rte_cryptodev_pmd_get_named_dev(name);
1369                 if (!dev)
1370                         return 0;
1371         }
1372
1373         return -1;
1374 }
1375
1376 TAILQ_HEAD(cryptodev_driver_list, cryptodev_driver);
1377
1378 static struct cryptodev_driver_list cryptodev_driver_list =
1379         TAILQ_HEAD_INITIALIZER(cryptodev_driver_list);
1380
1381 int
1382 rte_cryptodev_driver_id_get(const char *name)
1383 {
1384         struct cryptodev_driver *driver;
1385         const char *driver_name;
1386
1387         if (name == NULL) {
1388                 RTE_LOG(DEBUG, CRYPTODEV, "name pointer NULL");
1389                 return -1;
1390         }
1391
1392         TAILQ_FOREACH(driver, &cryptodev_driver_list, next) {
1393                 driver_name = driver->driver->name;
1394                 if (strncmp(driver_name, name, strlen(driver_name)) == 0)
1395                         return driver->id;
1396         }
1397         return -1;
1398 }
1399
1400 const char *
1401 rte_cryptodev_name_get(uint8_t dev_id)
1402 {
1403         struct rte_cryptodev *dev = rte_cryptodev_pmd_get_dev(dev_id);
1404
1405         if (dev == NULL)
1406                 return NULL;
1407
1408         return dev->data->name;
1409 }
1410
1411 const char *
1412 rte_cryptodev_driver_name_get(uint8_t driver_id)
1413 {
1414         struct cryptodev_driver *driver;
1415
1416         TAILQ_FOREACH(driver, &cryptodev_driver_list, next)
1417                 if (driver->id == driver_id)
1418                         return driver->driver->name;
1419         return NULL;
1420 }
1421
1422 uint8_t
1423 rte_cryptodev_allocate_driver(struct cryptodev_driver *crypto_drv,
1424                 const struct rte_driver *drv)
1425 {
1426         crypto_drv->driver = drv;
1427         crypto_drv->id = nb_drivers;
1428
1429         TAILQ_INSERT_TAIL(&cryptodev_driver_list, crypto_drv, next);
1430
1431         return nb_drivers++;
1432 }