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_AESNI:
 338                 return "CPU_AESNI";
 339         case RTE_CRYPTODEV_FF_HW_ACCELERATED:
 340                 return "HW_ACCELERATED";
 341         case RTE_CRYPTODEV_FF_MBUF_SCATTER_GATHER:
 342                 return "MBUF_SCATTER_GATHER";
 343         case RTE_CRYPTODEV_FF_CPU_NEON:
 344                 return "CPU_NEON";
 345         case RTE_CRYPTODEV_FF_CPU_ARM_CE:
 346                 return "CPU_ARM_CE";
 347         default:
 348                 return NULL;
 349         }
 350 }
 351
 352 struct rte_cryptodev *
 353 rte_cryptodev_pmd_get_dev(uint8_t dev_id)
 354 {
 355         return &rte_cryptodev_globals->devs[dev_id];
 356 }
 357
 358 struct rte_cryptodev *
 359 rte_cryptodev_pmd_get_named_dev(const char *name)
 360 {
 361         struct rte_cryptodev *dev;
 362         unsigned int i;
 363
 364         if (name == NULL)
 365                 return NULL;
 366
 367         for (i = 0; i < rte_cryptodev_globals->max_devs; i++) {
 368                 dev = &rte_cryptodev_globals->devs[i];
 369
 370                 if ((dev->attached == RTE_CRYPTODEV_ATTACHED) &&
 371                                 (strcmp(dev->data->name, name) == 0))
 372                         return dev;
 373         }
 374
 375         return NULL;
 376 }
 377
 378 unsigned int
 379 rte_cryptodev_pmd_is_valid_dev(uint8_t dev_id)
 380 {
 381         struct rte_cryptodev *dev = NULL;
 382
 383         if (dev_id >= rte_cryptodev_globals->nb_devs)
 384                 return 0;
 385
 386         dev = rte_cryptodev_pmd_get_dev(dev_id);
 387         if (dev->attached != RTE_CRYPTODEV_ATTACHED)
 388                 return 0;
 389         else
 390                 return 1;
 391 }
 392
 393
 394 int
 395 rte_cryptodev_get_dev_id(const char *name)
 396 {
 397         unsigned i;
 398
 399         if (name == NULL)
 400                 return -1;
 401
 402         for (i = 0; i < rte_cryptodev_globals->nb_devs; i++)
 403                 if ((strcmp(rte_cryptodev_globals->devs[i].data->name, name)
 404                                 == 0) &&
 405                                 (rte_cryptodev_globals->devs[i].attached ==
 406                                                 RTE_CRYPTODEV_ATTACHED))
 407                         return i;
 408
 409         return -1;
 410 }
 411
 412 uint8_t
 413 rte_cryptodev_count(void)
 414 {
 415         return rte_cryptodev_globals->nb_devs;
 416 }
 417
 418 uint8_t
 419 rte_cryptodev_device_count_by_driver(uint8_t driver_id)
 420 {
 421         uint8_t i, dev_count = 0;
 422
 423         for (i = 0; i < rte_cryptodev_globals->max_devs; i++)
 424                 if (rte_cryptodev_globals->devs[i].driver_id == driver_id &&
 425                         rte_cryptodev_globals->devs[i].attached ==
 426                                         RTE_CRYPTODEV_ATTACHED)
 427                         dev_count++;
 428
 429         return dev_count;
 430 }
 431
 432 uint8_t
 433 rte_cryptodev_devices_get(const char *driver_name, uint8_t *devices,
 434         uint8_t nb_devices)
 435 {
 436         uint8_t i, count = 0;
 437         struct rte_cryptodev *devs = rte_cryptodev_globals->devs;
 438         uint8_t max_devs = rte_cryptodev_globals->max_devs;
 439
 440         for (i = 0; i < max_devs && count < nb_devices; i++) {
 441
 442                 if (devs[i].attached == RTE_CRYPTODEV_ATTACHED) {
 443                         int cmp;
 444
 445                         cmp = strncmp(devs[i].device->driver->name,
 446                                         driver_name,
 447                                         strlen(driver_name));
 448
 449                         if (cmp == 0)
 450                                 devices[count++] = devs[i].data->dev_id;
 451                 }
 452         }
 453
 454         return count;
 455 }
 456
 457 void *
 458 rte_cryptodev_get_sec_ctx(uint8_t dev_id)
 459 {
 460         if (rte_crypto_devices[dev_id].feature_flags &
 461                         RTE_CRYPTODEV_FF_SECURITY)
 462                 return rte_crypto_devices[dev_id].security_ctx;
 463
 464         return NULL;
 465 }
 466
 467 int
 468 rte_cryptodev_socket_id(uint8_t dev_id)
 469 {
 470         struct rte_cryptodev *dev;
 471
 472         if (!rte_cryptodev_pmd_is_valid_dev(dev_id))
 473                 return -1;
 474
 475         dev = rte_cryptodev_pmd_get_dev(dev_id);
 476
 477         return dev->data->socket_id;
 478 }
 479
 480 static inline int
 481 rte_cryptodev_data_alloc(uint8_t dev_id, struct rte_cryptodev_data **data,
 482                 int socket_id)
 483 {
 484         char mz_name[RTE_CRYPTODEV_NAME_MAX_LEN];
 485         const struct rte_memzone *mz;
 486         int n;
 487
 488         /* generate memzone name */
 489         n = snprintf(mz_name, sizeof(mz_name), "rte_cryptodev_data_%u", dev_id);
 490         if (n >= (int)sizeof(mz_name))
 491                 return -EINVAL;
 492
 493         if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
 494                 mz = rte_memzone_reserve(mz_name,
 495                                 sizeof(struct rte_cryptodev_data),
 496                                 socket_id, 0);
 497         } else
 498                 mz = rte_memzone_lookup(mz_name);
 499
 500         if (mz == NULL)
 501                 return -ENOMEM;
 502
 503         *data = mz->addr;
 504         if (rte_eal_process_type() == RTE_PROC_PRIMARY)
 505                 memset(*data, 0, sizeof(struct rte_cryptodev_data));
 506
 507         return 0;
 508 }
 509
 510 static uint8_t
 511 rte_cryptodev_find_free_device_index(void)
 512 {
 513         uint8_t dev_id;
 514
 515         for (dev_id = 0; dev_id < RTE_CRYPTO_MAX_DEVS; dev_id++) {
 516                 if (rte_crypto_devices[dev_id].attached ==
 517                                 RTE_CRYPTODEV_DETACHED)
 518                         return dev_id;
 519         }
 520         return RTE_CRYPTO_MAX_DEVS;
 521 }
 522
 523 struct rte_cryptodev *
 524 rte_cryptodev_pmd_allocate(const char *name, int socket_id)
 525 {
 526         struct rte_cryptodev *cryptodev;
 527         uint8_t dev_id;
 528
 529         if (rte_cryptodev_pmd_get_named_dev(name) != NULL) {
 530                 CDEV_LOG_ERR("Crypto device with name %s already "
 531                                 "allocated!", name);
 532                 return NULL;
 533         }
 534
 535         dev_id = rte_cryptodev_find_free_device_index();
 536         if (dev_id == RTE_CRYPTO_MAX_DEVS) {
 537                 CDEV_LOG_ERR("Reached maximum number of crypto devices");
 538                 return NULL;
 539         }
 540
 541         cryptodev = rte_cryptodev_pmd_get_dev(dev_id);
 542
 543         if (cryptodev->data == NULL) {
 544                 struct rte_cryptodev_data *cryptodev_data =
 545                                 cryptodev_globals.data[dev_id];
 546
 547                 int retval = rte_cryptodev_data_alloc(dev_id, &cryptodev_data,
 548                                 socket_id);
 549
 550                 if (retval < 0 || cryptodev_data == NULL)
 551                         return NULL;
 552
 553                 cryptodev->data = cryptodev_data;
 554
 555                 snprintf(cryptodev->data->name, RTE_CRYPTODEV_NAME_MAX_LEN,
 556                                 "%s", name);
 557
 558                 cryptodev->data->dev_id = dev_id;
 559                 cryptodev->data->socket_id = socket_id;
 560                 cryptodev->data->dev_started = 0;
 561
 562                 /* init user callbacks */
 563                 TAILQ_INIT(&(cryptodev->link_intr_cbs));
 564
 565                 cryptodev->attached = RTE_CRYPTODEV_ATTACHED;
 566
 567                 cryptodev_globals.nb_devs++;
 568         }
 569
 570         return cryptodev;
 571 }
 572
 573 int
 574 rte_cryptodev_pmd_release_device(struct rte_cryptodev *cryptodev)
 575 {
 576         int ret;
 577
 578         if (cryptodev == NULL)
 579                 return -EINVAL;
 580
 581         /* Close device only if device operations have been set */
 582         if (cryptodev->dev_ops) {
 583                 ret = rte_cryptodev_close(cryptodev->data->dev_id);
 584                 if (ret < 0)
 585                         return ret;
 586         }
 587
 588         cryptodev->attached = RTE_CRYPTODEV_DETACHED;
 589         cryptodev_globals.nb_devs--;
 590         return 0;
 591 }
 592
 593 uint16_t
 594 rte_cryptodev_queue_pair_count(uint8_t dev_id)
 595 {
 596         struct rte_cryptodev *dev;
 597
 598         dev = &rte_crypto_devices[dev_id];
 599         return dev->data->nb_queue_pairs;
 600 }
 601
 602 static int
 603 rte_cryptodev_queue_pairs_config(struct rte_cryptodev *dev, uint16_t nb_qpairs,
 604                 int socket_id)
 605 {
 606         struct rte_cryptodev_info dev_info;
 607         void **qp;
 608         unsigned i;
 609
 610         if ((dev == NULL) || (nb_qpairs < 1)) {
 611                 CDEV_LOG_ERR("invalid param: dev %p, nb_queues %u",
 612                                                         dev, nb_qpairs);
 613                 return -EINVAL;
 614         }
 615
 616         CDEV_LOG_DEBUG("Setup %d queues pairs on device %u",
 617                         nb_qpairs, dev->data->dev_id);
 618
 619         memset(&dev_info, 0, sizeof(struct rte_cryptodev_info));
 620
 621         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_infos_get, -ENOTSUP);
 622         (*dev->dev_ops->dev_infos_get)(dev, &dev_info);
 623
 624         if (nb_qpairs > (dev_info.max_nb_queue_pairs)) {
 625                 CDEV_LOG_ERR("Invalid num queue_pairs (%u) for dev %u",
 626                                 nb_qpairs, dev->data->dev_id);
 627             return -EINVAL;
 628         }
 629
 630         if (dev->data->queue_pairs == NULL) { /* first time configuration */
 631                 dev->data->queue_pairs = rte_zmalloc_socket(
 632                                 "cryptodev->queue_pairs",
 633                                 sizeof(dev->data->queue_pairs[0]) * nb_qpairs,
 634                                 RTE_CACHE_LINE_SIZE, socket_id);
 635
 636                 if (dev->data->queue_pairs == NULL) {
 637                         dev->data->nb_queue_pairs = 0;
 638                         CDEV_LOG_ERR("failed to get memory for qp meta data, "
 639                                                         "nb_queues %u",
 640                                                         nb_qpairs);
 641                         return -(ENOMEM);
 642                 }
 643         } else { /* re-configure */
 644                 int ret;
 645                 uint16_t old_nb_queues = dev->data->nb_queue_pairs;
 646
 647                 qp = dev->data->queue_pairs;
 648
 649                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->queue_pair_release,
 650                                 -ENOTSUP);
 651
 652                 for (i = nb_qpairs; i < old_nb_queues; i++) {
 653                         ret = (*dev->dev_ops->queue_pair_release)(dev, i);
 654                         if (ret < 0)
 655                                 return ret;
 656                 }
 657
 658                 qp = rte_realloc(qp, sizeof(qp[0]) * nb_qpairs,
 659                                 RTE_CACHE_LINE_SIZE);
 660                 if (qp == NULL) {
 661                         CDEV_LOG_ERR("failed to realloc qp meta data,"
 662                                                 " nb_queues %u", nb_qpairs);
 663                         return -(ENOMEM);
 664                 }
 665
 666                 if (nb_qpairs > old_nb_queues) {
 667                         uint16_t new_qs = nb_qpairs - old_nb_queues;
 668
 669                         memset(qp + old_nb_queues, 0,
 670                                 sizeof(qp[0]) * new_qs);
 671                 }
 672
 673                 dev->data->queue_pairs = qp;
 674
 675         }
 676         dev->data->nb_queue_pairs = nb_qpairs;
 677         return 0;
 678 }
 679
 680 int
 681 rte_cryptodev_queue_pair_start(uint8_t dev_id, uint16_t queue_pair_id)
 682 {
 683         struct rte_cryptodev *dev;
 684
 685         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
 686                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
 687                 return -EINVAL;
 688         }
 689
 690         dev = &rte_crypto_devices[dev_id];
 691         if (queue_pair_id >= dev->data->nb_queue_pairs) {
 692                 CDEV_LOG_ERR("Invalid queue_pair_id=%d", queue_pair_id);
 693                 return -EINVAL;
 694         }
 695
 696         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->queue_pair_start, -ENOTSUP);
 697
 698         return dev->dev_ops->queue_pair_start(dev, queue_pair_id);
 699
 700 }
 701
 702 int
 703 rte_cryptodev_queue_pair_stop(uint8_t dev_id, uint16_t queue_pair_id)
 704 {
 705         struct rte_cryptodev *dev;
 706
 707         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
 708                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
 709                 return -EINVAL;
 710         }
 711
 712         dev = &rte_crypto_devices[dev_id];
 713         if (queue_pair_id >= dev->data->nb_queue_pairs) {
 714                 CDEV_LOG_ERR("Invalid queue_pair_id=%d", queue_pair_id);
 715                 return -EINVAL;
 716         }
 717
 718         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->queue_pair_stop, -ENOTSUP);
 719
 720         return dev->dev_ops->queue_pair_stop(dev, queue_pair_id);
 721
 722 }
 723
 724 int
 725 rte_cryptodev_configure(uint8_t dev_id, struct rte_cryptodev_config *config)
 726 {
 727         struct rte_cryptodev *dev;
 728         int diag;
 729
 730         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
 731                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
 732                 return -EINVAL;
 733         }
 734
 735         dev = &rte_crypto_devices[dev_id];
 736
 737         if (dev->data->dev_started) {
 738                 CDEV_LOG_ERR(
 739                     "device %d must be stopped to allow configuration", dev_id);
 740                 return -EBUSY;
 741         }
 742
 743         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_configure, -ENOTSUP);
 744
 745         /* Setup new number of queue pairs and reconfigure device. */
 746         diag = rte_cryptodev_queue_pairs_config(dev, config->nb_queue_pairs,
 747                         config->socket_id);
 748         if (diag != 0) {
 749                 CDEV_LOG_ERR("dev%d rte_crypto_dev_queue_pairs_config = %d",
 750                                 dev_id, diag);
 751                 return diag;
 752         }
 753
 754         return (*dev->dev_ops->dev_configure)(dev, config);
 755 }
 756
 757
 758 int
 759 rte_cryptodev_start(uint8_t dev_id)
 760 {
 761         struct rte_cryptodev *dev;
 762         int diag;
 763
 764         CDEV_LOG_DEBUG("Start dev_id=%" PRIu8, dev_id);
 765
 766         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
 767                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
 768                 return -EINVAL;
 769         }
 770
 771         dev = &rte_crypto_devices[dev_id];
 772
 773         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_start, -ENOTSUP);
 774
 775         if (dev->data->dev_started != 0) {
 776                 CDEV_LOG_ERR("Device with dev_id=%" PRIu8 " already started",
 777                         dev_id);
 778                 return 0;
 779         }
 780
 781         diag = (*dev->dev_ops->dev_start)(dev);
 782         if (diag == 0)
 783                 dev->data->dev_started = 1;
 784         else
 785                 return diag;
 786
 787         return 0;
 788 }
 789
 790 void
 791 rte_cryptodev_stop(uint8_t dev_id)
 792 {
 793         struct rte_cryptodev *dev;
 794
 795         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
 796                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
 797                 return;
 798         }
 799
 800         dev = &rte_crypto_devices[dev_id];
 801
 802         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->dev_stop);
 803
 804         if (dev->data->dev_started == 0) {
 805                 CDEV_LOG_ERR("Device with dev_id=%" PRIu8 " already stopped",
 806                         dev_id);
 807                 return;
 808         }
 809
 810         (*dev->dev_ops->dev_stop)(dev);
 811         dev->data->dev_started = 0;
 812 }
 813
 814 int
 815 rte_cryptodev_close(uint8_t dev_id)
 816 {
 817         struct rte_cryptodev *dev;
 818         int retval;
 819
 820         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
 821                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
 822                 return -1;
 823         }
 824
 825         dev = &rte_crypto_devices[dev_id];
 826
 827         /* Device must be stopped before it can be closed */
 828         if (dev->data->dev_started == 1) {
 829                 CDEV_LOG_ERR("Device %u must be stopped before closing",
 830                                 dev_id);
 831                 return -EBUSY;
 832         }
 833
 834         /* We can't close the device if there are outstanding sessions in use */
 835         if (dev->data->session_pool != NULL) {
 836                 if (!rte_mempool_full(dev->data->session_pool)) {
 837                         CDEV_LOG_ERR("dev_id=%u close failed, session mempool "
 838                                         "has sessions still in use, free "
 839                                         "all sessions before calling close",
 840                                         (unsigned)dev_id);
 841                         return -EBUSY;
 842                 }
 843         }
 844
 845         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_close, -ENOTSUP);
 846         retval = (*dev->dev_ops->dev_close)(dev);
 847
 848         if (retval < 0)
 849                 return retval;
 850
 851         return 0;
 852 }
 853
 854 int
 855 rte_cryptodev_queue_pair_setup(uint8_t dev_id, uint16_t queue_pair_id,
 856                 const struct rte_cryptodev_qp_conf *qp_conf, int socket_id,
 857                 struct rte_mempool *session_pool)
 858
 859 {
 860         struct rte_cryptodev *dev;
 861
 862         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
 863                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
 864                 return -EINVAL;
 865         }
 866
 867         dev = &rte_crypto_devices[dev_id];
 868         if (queue_pair_id >= dev->data->nb_queue_pairs) {
 869                 CDEV_LOG_ERR("Invalid queue_pair_id=%d", queue_pair_id);
 870                 return -EINVAL;
 871         }
 872
 873         if (dev->data->dev_started) {
 874                 CDEV_LOG_ERR(
 875                     "device %d must be stopped to allow configuration", dev_id);
 876                 return -EBUSY;
 877         }
 878
 879         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->queue_pair_setup, -ENOTSUP);
 880
 881         return (*dev->dev_ops->queue_pair_setup)(dev, queue_pair_id, qp_conf,
 882                         socket_id, session_pool);
 883 }
 884
 885
 886 int
 887 rte_cryptodev_stats_get(uint8_t dev_id, struct rte_cryptodev_stats *stats)
 888 {
 889         struct rte_cryptodev *dev;
 890
 891         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
 892                 CDEV_LOG_ERR("Invalid dev_id=%d", dev_id);
 893                 return -ENODEV;
 894         }
 895
 896         if (stats == NULL) {
 897                 CDEV_LOG_ERR("Invalid stats ptr");
 898                 return -EINVAL;
 899         }
 900
 901         dev = &rte_crypto_devices[dev_id];
 902         memset(stats, 0, sizeof(*stats));
 903
 904         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->stats_get, -ENOTSUP);
 905         (*dev->dev_ops->stats_get)(dev, stats);
 906         return 0;
 907 }
 908
 909 void
 910 rte_cryptodev_stats_reset(uint8_t dev_id)
 911 {
 912         struct rte_cryptodev *dev;
 913
 914         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
 915                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
 916                 return;
 917         }
 918
 919         dev = &rte_crypto_devices[dev_id];
 920
 921         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->stats_reset);
 922         (*dev->dev_ops->stats_reset)(dev);
 923 }
 924
 925
 926 void
 927 rte_cryptodev_info_get(uint8_t dev_id, struct rte_cryptodev_info *dev_info)
 928 {
 929         struct rte_cryptodev *dev;
 930
 931         if (dev_id >= cryptodev_globals.nb_devs) {
 932                 CDEV_LOG_ERR("Invalid dev_id=%d", dev_id);
 933                 return;
 934         }
 935
 936         dev = &rte_crypto_devices[dev_id];
 937
 938         memset(dev_info, 0, sizeof(struct rte_cryptodev_info));
 939
 940         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->dev_infos_get);
 941         (*dev->dev_ops->dev_infos_get)(dev, dev_info);
 942
 943         dev_info->driver_name = dev->device->driver->name;
 944 }
 945
 946
 947 int
 948 rte_cryptodev_callback_register(uint8_t dev_id,
 949                         enum rte_cryptodev_event_type event,
 950                         rte_cryptodev_cb_fn cb_fn, void *cb_arg)
 951 {
 952         struct rte_cryptodev *dev;
 953         struct rte_cryptodev_callback *user_cb;
 954
 955         if (!cb_fn)
 956                 return -EINVAL;
 957
 958         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
 959                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
 960                 return -EINVAL;
 961         }
 962
 963         dev = &rte_crypto_devices[dev_id];
 964         rte_spinlock_lock(&rte_cryptodev_cb_lock);
 965
 966         TAILQ_FOREACH(user_cb, &(dev->link_intr_cbs), next) {
 967                 if (user_cb->cb_fn == cb_fn &&
 968                         user_cb->cb_arg == cb_arg &&
 969                         user_cb->event == event) {
 970                         break;
 971                 }
 972         }
 973
 974         /* create a new callback. */
 975         if (user_cb == NULL) {
 976                 user_cb = rte_zmalloc("INTR_USER_CALLBACK",
 977                                 sizeof(struct rte_cryptodev_callback), 0);
 978                 if (user_cb != NULL) {
 979                         user_cb->cb_fn = cb_fn;
 980                         user_cb->cb_arg = cb_arg;
 981                         user_cb->event = event;
 982                         TAILQ_INSERT_TAIL(&(dev->link_intr_cbs), user_cb, next);
 983                 }
 984         }
 985
 986         rte_spinlock_unlock(&rte_cryptodev_cb_lock);
 987         return (user_cb == NULL) ? -ENOMEM : 0;
 988 }
 989
 990 int
 991 rte_cryptodev_callback_unregister(uint8_t dev_id,
 992                         enum rte_cryptodev_event_type event,
 993                         rte_cryptodev_cb_fn cb_fn, void *cb_arg)
 994 {
 995         int ret;
 996         struct rte_cryptodev *dev;
 997         struct rte_cryptodev_callback *cb, *next;
 998
 999         if (!cb_fn)
1000                 return -EINVAL;
1001
1002         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
1003                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
1004                 return -EINVAL;
1005         }
1006
1007         dev = &rte_crypto_devices[dev_id];
1008         rte_spinlock_lock(&rte_cryptodev_cb_lock);
1009
1010         ret = 0;
1011         for (cb = TAILQ_FIRST(&dev->link_intr_cbs); cb != NULL; cb = next) {
1012
1013                 next = TAILQ_NEXT(cb, next);
1014
1015                 if (cb->cb_fn != cb_fn || cb->event != event ||
1016                                 (cb->cb_arg != (void *)-1 &&
1017                                 cb->cb_arg != cb_arg))
1018                         continue;
1019
1020                 /*
1021                  * if this callback is not executing right now,
1022                  * then remove it.
1023                  */
1024                 if (cb->active == 0) {
1025                         TAILQ_REMOVE(&(dev->link_intr_cbs), cb, next);
1026                         rte_free(cb);
1027                 } else {
1028                         ret = -EAGAIN;
1029                 }
1030         }
1031
1032         rte_spinlock_unlock(&rte_cryptodev_cb_lock);
1033         return ret;
1034 }
1035
1036 void
1037 rte_cryptodev_pmd_callback_process(struct rte_cryptodev *dev,
1038         enum rte_cryptodev_event_type event)
1039 {
1040         struct rte_cryptodev_callback *cb_lst;
1041         struct rte_cryptodev_callback dev_cb;
1042
1043         rte_spinlock_lock(&rte_cryptodev_cb_lock);
1044         TAILQ_FOREACH(cb_lst, &(dev->link_intr_cbs), next) {
1045                 if (cb_lst->cb_fn == NULL || cb_lst->event != event)
1046                         continue;
1047                 dev_cb = *cb_lst;
1048                 cb_lst->active = 1;
1049                 rte_spinlock_unlock(&rte_cryptodev_cb_lock);
1050                 dev_cb.cb_fn(dev->data->dev_id, dev_cb.event,
1051                                                 dev_cb.cb_arg);
1052                 rte_spinlock_lock(&rte_cryptodev_cb_lock);
1053                 cb_lst->active = 0;
1054         }
1055         rte_spinlock_unlock(&rte_cryptodev_cb_lock);
1056 }
1057
1058
1059 int
1060 rte_cryptodev_sym_session_init(uint8_t dev_id,
1061                 struct rte_cryptodev_sym_session *sess,
1062                 struct rte_crypto_sym_xform *xforms,
1063                 struct rte_mempool *mp)
1064 {
1065         struct rte_cryptodev *dev;
1066         uint8_t index;
1067         int ret;
1068
1069         dev = rte_cryptodev_pmd_get_dev(dev_id);
1070
1071         if (sess == NULL || xforms == NULL || dev == NULL)
1072                 return -EINVAL;
1073
1074         index = dev->driver_id;
1075
1076         if (sess->sess_private_data[index] == NULL) {
1077                 ret = dev->dev_ops->session_configure(dev, xforms, sess, mp);
1078                 if (ret < 0) {
1079                         CDEV_LOG_ERR(
1080                                 "dev_id %d failed to configure session details",
1081                                 dev_id);
1082                         return ret;
1083                 }
1084         }
1085
1086         return 0;
1087 }
1088
1089 struct rte_cryptodev_sym_session *
1090 rte_cryptodev_sym_session_create(struct rte_mempool *mp)
1091 {
1092         struct rte_cryptodev_sym_session *sess;
1093
1094         /* Allocate a session structure from the session pool */
1095         if (rte_mempool_get(mp, (void *)&sess)) {
1096                 CDEV_LOG_ERR("couldn't get object from session mempool");
1097                 return NULL;
1098         }
1099
1100         /* Clear device session pointer */
1101         memset(sess, 0, (sizeof(void *) * nb_drivers));
1102
1103         return sess;
1104 }
1105
1106 int
1107 rte_cryptodev_queue_pair_attach_sym_session(uint8_t dev_id, uint16_t qp_id,
1108                 struct rte_cryptodev_sym_session *sess)
1109 {
1110         struct rte_cryptodev *dev;
1111
1112         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
1113                 CDEV_LOG_ERR("Invalid dev_id=%d", dev_id);
1114                 return -EINVAL;
1115         }
1116
1117         dev = &rte_crypto_devices[dev_id];
1118
1119         /* The API is optional, not returning error if driver do not suuport */
1120         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->qp_attach_session, 0);
1121
1122         void *sess_priv = get_session_private_data(sess, dev->driver_id);
1123
1124         if (dev->dev_ops->qp_attach_session(dev, qp_id, sess_priv)) {
1125                 CDEV_LOG_ERR("dev_id %d failed to attach qp: %d with session",
1126                                 dev_id, qp_id);
1127                 return -EPERM;
1128         }
1129
1130         return 0;
1131 }
1132
1133 int
1134 rte_cryptodev_queue_pair_detach_sym_session(uint8_t dev_id, uint16_t qp_id,
1135                 struct rte_cryptodev_sym_session *sess)
1136 {
1137         struct rte_cryptodev *dev;
1138
1139         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
1140                 CDEV_LOG_ERR("Invalid dev_id=%d", dev_id);
1141                 return -EINVAL;
1142         }
1143
1144         dev = &rte_crypto_devices[dev_id];
1145
1146         /* The API is optional, not returning error if driver do not suuport */
1147         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->qp_detach_session, 0);
1148
1149         void *sess_priv = get_session_private_data(sess, dev->driver_id);
1150
1151         if (dev->dev_ops->qp_detach_session(dev, qp_id, sess_priv)) {
1152                 CDEV_LOG_ERR("dev_id %d failed to detach qp: %d from session",
1153                                 dev_id, qp_id);
1154                 return -EPERM;
1155         }
1156
1157         return 0;
1158 }
1159
1160 int
1161 rte_cryptodev_sym_session_clear(uint8_t dev_id,
1162                 struct rte_cryptodev_sym_session *sess)
1163 {
1164         struct rte_cryptodev *dev;
1165
1166         dev = rte_cryptodev_pmd_get_dev(dev_id);
1167
1168         if (dev == NULL || sess == NULL)
1169                 return -EINVAL;
1170
1171         dev->dev_ops->session_clear(dev, sess);
1172
1173         return 0;
1174 }
1175
1176 int
1177 rte_cryptodev_sym_session_free(struct rte_cryptodev_sym_session *sess)
1178 {
1179         uint8_t i;
1180         void *sess_priv;
1181         struct rte_mempool *sess_mp;
1182
1183         if (sess == NULL)
1184                 return -EINVAL;
1185
1186         /* Check that all device private data has been freed */
1187         for (i = 0; i < nb_drivers; i++) {
1188                 sess_priv = get_session_private_data(sess, i);
1189                 if (sess_priv != NULL)
1190                         return -EBUSY;
1191         }
1192
1193         /* Return session to mempool */
1194         sess_mp = rte_mempool_from_obj(sess);
1195         rte_mempool_put(sess_mp, sess);
1196
1197         return 0;
1198 }
1199
1200 unsigned int
1201 rte_cryptodev_get_header_session_size(void)
1202 {
1203         /*
1204          * Header contains pointers to the private data
1205          * of all registered drivers
1206          */
1207         return (sizeof(void *) * nb_drivers);
1208 }
1209
1210 unsigned int
1211 rte_cryptodev_get_private_session_size(uint8_t dev_id)
1212 {
1213         struct rte_cryptodev *dev;
1214         unsigned int header_size = sizeof(void *) * nb_drivers;
1215         unsigned int priv_sess_size;
1216
1217         if (!rte_cryptodev_pmd_is_valid_dev(dev_id))
1218                 return 0;
1219
1220         dev = rte_cryptodev_pmd_get_dev(dev_id);
1221
1222         if (*dev->dev_ops->session_get_size == NULL)
1223                 return 0;
1224
1225         priv_sess_size = (*dev->dev_ops->session_get_size)(dev);
1226
1227         /*
1228          * If size is less than session header size,
1229          * return the latter, as this guarantees that
1230          * sessionless operations will work
1231          */
1232         if (priv_sess_size < header_size)
1233                 return header_size;
1234
1235         return priv_sess_size;
1236
1237 }
1238
1239 /** Initialise rte_crypto_op mempool element */
1240 static void
1241 rte_crypto_op_init(struct rte_mempool *mempool,
1242                 void *opaque_arg,
1243                 void *_op_data,
1244                 __rte_unused unsigned i)
1245 {
1246         struct rte_crypto_op *op = _op_data;
1247         enum rte_crypto_op_type type = *(enum rte_crypto_op_type *)opaque_arg;
1248
1249         memset(_op_data, 0, mempool->elt_size);
1250
1251         __rte_crypto_op_reset(op, type);
1252
1253         op->phys_addr = rte_mem_virt2iova(_op_data);
1254         op->mempool = mempool;
1255 }
1256
1257
1258 struct rte_mempool *
1259 rte_crypto_op_pool_create(const char *name, enum rte_crypto_op_type type,
1260                 unsigned nb_elts, unsigned cache_size, uint16_t priv_size,
1261                 int socket_id)
1262 {
1263         struct rte_crypto_op_pool_private *priv;
1264
1265         unsigned elt_size = sizeof(struct rte_crypto_op) +
1266                         sizeof(struct rte_crypto_sym_op) +
1267                         priv_size;
1268
1269         /* lookup mempool in case already allocated */
1270         struct rte_mempool *mp = rte_mempool_lookup(name);
1271
1272         if (mp != NULL) {
1273                 priv = (struct rte_crypto_op_pool_private *)
1274                                 rte_mempool_get_priv(mp);
1275
1276                 if (mp->elt_size != elt_size ||
1277                                 mp->cache_size < cache_size ||
1278                                 mp->size < nb_elts ||
1279                                 priv->priv_size <  priv_size) {
1280                         mp = NULL;
1281                         CDEV_LOG_ERR("Mempool %s already exists but with "
1282                                         "incompatible parameters", name);
1283                         return NULL;
1284                 }
1285                 return mp;
1286         }
1287
1288         mp = rte_mempool_create(
1289                         name,
1290                         nb_elts,
1291                         elt_size,
1292                         cache_size,
1293                         sizeof(struct rte_crypto_op_pool_private),
1294                         NULL,
1295                         NULL,
1296                         rte_crypto_op_init,
1297                         &type,
1298                         socket_id,
1299                         0);
1300
1301         if (mp == NULL) {
1302                 CDEV_LOG_ERR("Failed to create mempool %s", name);
1303                 return NULL;
1304         }
1305
1306         priv = (struct rte_crypto_op_pool_private *)
1307                         rte_mempool_get_priv(mp);
1308
1309         priv->priv_size = priv_size;
1310         priv->type = type;
1311
1312         return mp;
1313 }
1314
1315 int
1316 rte_cryptodev_pmd_create_dev_name(char *name, const char *dev_name_prefix)
1317 {
1318         struct rte_cryptodev *dev = NULL;
1319         uint32_t i = 0;
1320
1321         if (name == NULL)
1322                 return -EINVAL;
1323
1324         for (i = 0; i < RTE_CRYPTO_MAX_DEVS; i++) {
1325                 int ret = snprintf(name, RTE_CRYPTODEV_NAME_MAX_LEN,
1326                                 "%s_%u", dev_name_prefix, i);
1327
1328                 if (ret < 0)
1329                         return ret;
1330
1331                 dev = rte_cryptodev_pmd_get_named_dev(name);
1332                 if (!dev)
1333                         return 0;
1334         }
1335
1336         return -1;
1337 }
1338
1339 TAILQ_HEAD(cryptodev_driver_list, cryptodev_driver);
1340
1341 static struct cryptodev_driver_list cryptodev_driver_list =
1342         TAILQ_HEAD_INITIALIZER(cryptodev_driver_list);
1343
1344 int
1345 rte_cryptodev_driver_id_get(const char *name)
1346 {
1347         struct cryptodev_driver *driver;
1348         const char *driver_name;
1349
1350         if (name == NULL) {
1351                 RTE_LOG(DEBUG, CRYPTODEV, "name pointer NULL");
1352                 return -1;
1353         }
1354
1355         TAILQ_FOREACH(driver, &cryptodev_driver_list, next) {
1356                 driver_name = driver->driver->name;
1357                 if (strncmp(driver_name, name, strlen(driver_name)) == 0)
1358                         return driver->id;
1359         }
1360         return -1;
1361 }
1362
1363 const char *
1364 rte_cryptodev_name_get(uint8_t dev_id)
1365 {
1366         struct rte_cryptodev *dev = rte_cryptodev_pmd_get_dev(dev_id);
1367
1368         if (dev == NULL)
1369                 return NULL;
1370
1371         return dev->data->name;
1372 }
1373
1374 const char *
1375 rte_cryptodev_driver_name_get(uint8_t driver_id)
1376 {
1377         struct cryptodev_driver *driver;
1378
1379         TAILQ_FOREACH(driver, &cryptodev_driver_list, next)
1380                 if (driver->id == driver_id)
1381                         return driver->driver->name;
1382         return NULL;
1383 }
1384
1385 uint8_t
1386 rte_cryptodev_allocate_driver(struct cryptodev_driver *crypto_drv,
1387                 const struct rte_driver *drv)
1388 {
1389         crypto_drv->driver = drv;
1390         crypto_drv->id = nb_drivers;
1391
1392         TAILQ_INSERT_TAIL(&cryptodev_driver_list, crypto_drv, next);
1393
1394         return nb_drivers++;
1395 }