lib/cryptodev/rte_cryptodev.c

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2015-2020 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
  16 #include <rte_byteorder.h>
  17 #include <rte_log.h>
  18 #include <rte_debug.h>
  19 #include <rte_dev.h>
  20 #include <rte_interrupts.h>
  21 #include <rte_memory.h>
  22 #include <rte_memcpy.h>
  23 #include <rte_memzone.h>
  24 #include <rte_launch.h>
  25 #include <rte_tailq.h>
  26 #include <rte_eal.h>
  27 #include <rte_per_lcore.h>
  28 #include <rte_lcore.h>
  29 #include <rte_atomic.h>
  30 #include <rte_branch_prediction.h>
  31 #include <rte_common.h>
  32 #include <rte_mempool.h>
  33 #include <rte_malloc.h>
  34 #include <rte_mbuf.h>
  35 #include <rte_errno.h>
  36 #include <rte_spinlock.h>
  37 #include <rte_string_fns.h>
  38
  39 #include "rte_crypto.h"
  40 #include "rte_cryptodev.h"
  41 #include "cryptodev_pmd.h"
  42 #include "rte_cryptodev_trace.h"
  43
  44 static uint8_t nb_drivers;
  45
  46 static struct rte_cryptodev rte_crypto_devices[RTE_CRYPTO_MAX_DEVS];
  47
  48 struct rte_cryptodev *rte_cryptodevs = rte_crypto_devices;
  49
  50 static struct rte_cryptodev_global cryptodev_globals = {
  51                 .devs                   = rte_crypto_devices,
  52                 .data                   = { NULL },
  53                 .nb_devs                = 0
  54 };
  55
  56 /* Public fastpath APIs. */
  57 struct rte_crypto_fp_ops rte_crypto_fp_ops[RTE_CRYPTO_MAX_DEVS];
  58
  59 /* spinlock for crypto device callbacks */
  60 static rte_spinlock_t rte_cryptodev_cb_lock = RTE_SPINLOCK_INITIALIZER;
  61
  62 /**
  63  * The user application callback description.
  64  *
  65  * It contains callback address to be registered by user application,
  66  * the pointer to the parameters for callback, and the event type.
  67  */
  68 struct rte_cryptodev_callback {
  69         TAILQ_ENTRY(rte_cryptodev_callback) next; /**< Callbacks list */
  70         rte_cryptodev_cb_fn cb_fn;              /**< Callback address */
  71         void *cb_arg;                           /**< Parameter for callback */
  72         enum rte_cryptodev_event_type event;    /**< Interrupt event type */
  73         uint32_t active;                        /**< Callback is executing */
  74 };
  75
  76 /**
  77  * The crypto cipher algorithm strings identifiers.
  78  * It could be used in application command line.
  79  */
  80 const char *
  81 rte_crypto_cipher_algorithm_strings[] = {
  82         [RTE_CRYPTO_CIPHER_3DES_CBC]    = "3des-cbc",
  83         [RTE_CRYPTO_CIPHER_3DES_ECB]    = "3des-ecb",
  84         [RTE_CRYPTO_CIPHER_3DES_CTR]    = "3des-ctr",
  85
  86         [RTE_CRYPTO_CIPHER_AES_CBC]     = "aes-cbc",
  87         [RTE_CRYPTO_CIPHER_AES_CTR]     = "aes-ctr",
  88         [RTE_CRYPTO_CIPHER_AES_DOCSISBPI]       = "aes-docsisbpi",
  89         [RTE_CRYPTO_CIPHER_AES_ECB]     = "aes-ecb",
  90         [RTE_CRYPTO_CIPHER_AES_F8]      = "aes-f8",
  91         [RTE_CRYPTO_CIPHER_AES_XTS]     = "aes-xts",
  92
  93         [RTE_CRYPTO_CIPHER_ARC4]        = "arc4",
  94
  95         [RTE_CRYPTO_CIPHER_DES_CBC]     = "des-cbc",
  96         [RTE_CRYPTO_CIPHER_DES_DOCSISBPI]       = "des-docsisbpi",
  97
  98         [RTE_CRYPTO_CIPHER_NULL]        = "null",
  99
 100         [RTE_CRYPTO_CIPHER_KASUMI_F8]   = "kasumi-f8",
 101         [RTE_CRYPTO_CIPHER_SNOW3G_UEA2] = "snow3g-uea2",
 102         [RTE_CRYPTO_CIPHER_ZUC_EEA3]    = "zuc-eea3"
 103 };
 104
 105 /**
 106  * The crypto cipher operation strings identifiers.
 107  * It could be used in application command line.
 108  */
 109 const char *
 110 rte_crypto_cipher_operation_strings[] = {
 111                 [RTE_CRYPTO_CIPHER_OP_ENCRYPT]  = "encrypt",
 112                 [RTE_CRYPTO_CIPHER_OP_DECRYPT]  = "decrypt"
 113 };
 114
 115 /**
 116  * The crypto auth algorithm strings identifiers.
 117  * It could be used in application command line.
 118  */
 119 const char *
 120 rte_crypto_auth_algorithm_strings[] = {
 121         [RTE_CRYPTO_AUTH_AES_CBC_MAC]   = "aes-cbc-mac",
 122         [RTE_CRYPTO_AUTH_AES_CMAC]      = "aes-cmac",
 123         [RTE_CRYPTO_AUTH_AES_GMAC]      = "aes-gmac",
 124         [RTE_CRYPTO_AUTH_AES_XCBC_MAC]  = "aes-xcbc-mac",
 125
 126         [RTE_CRYPTO_AUTH_MD5]           = "md5",
 127         [RTE_CRYPTO_AUTH_MD5_HMAC]      = "md5-hmac",
 128
 129         [RTE_CRYPTO_AUTH_NULL]          = "null",
 130
 131         [RTE_CRYPTO_AUTH_SHA1]          = "sha1",
 132         [RTE_CRYPTO_AUTH_SHA1_HMAC]     = "sha1-hmac",
 133
 134         [RTE_CRYPTO_AUTH_SHA224]        = "sha2-224",
 135         [RTE_CRYPTO_AUTH_SHA224_HMAC]   = "sha2-224-hmac",
 136         [RTE_CRYPTO_AUTH_SHA256]        = "sha2-256",
 137         [RTE_CRYPTO_AUTH_SHA256_HMAC]   = "sha2-256-hmac",
 138         [RTE_CRYPTO_AUTH_SHA384]        = "sha2-384",
 139         [RTE_CRYPTO_AUTH_SHA384_HMAC]   = "sha2-384-hmac",
 140         [RTE_CRYPTO_AUTH_SHA512]        = "sha2-512",
 141         [RTE_CRYPTO_AUTH_SHA512_HMAC]   = "sha2-512-hmac",
 142
 143         [RTE_CRYPTO_AUTH_KASUMI_F9]     = "kasumi-f9",
 144         [RTE_CRYPTO_AUTH_SNOW3G_UIA2]   = "snow3g-uia2",
 145         [RTE_CRYPTO_AUTH_ZUC_EIA3]      = "zuc-eia3"
 146 };
 147
 148 /**
 149  * The crypto AEAD algorithm strings identifiers.
 150  * It could be used in application command line.
 151  */
 152 const char *
 153 rte_crypto_aead_algorithm_strings[] = {
 154         [RTE_CRYPTO_AEAD_AES_CCM]       = "aes-ccm",
 155         [RTE_CRYPTO_AEAD_AES_GCM]       = "aes-gcm",
 156         [RTE_CRYPTO_AEAD_CHACHA20_POLY1305] = "chacha20-poly1305"
 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 /**
 170  * Asymmetric crypto transform operation strings identifiers.
 171  */
 172 const char *rte_crypto_asym_xform_strings[] = {
 173         [RTE_CRYPTO_ASYM_XFORM_NONE]    = "none",
 174         [RTE_CRYPTO_ASYM_XFORM_RSA]     = "rsa",
 175         [RTE_CRYPTO_ASYM_XFORM_MODEX]   = "modexp",
 176         [RTE_CRYPTO_ASYM_XFORM_MODINV]  = "modinv",
 177         [RTE_CRYPTO_ASYM_XFORM_DH]      = "dh",
 178         [RTE_CRYPTO_ASYM_XFORM_DSA]     = "dsa",
 179         [RTE_CRYPTO_ASYM_XFORM_ECDSA]   = "ecdsa",
 180         [RTE_CRYPTO_ASYM_XFORM_ECPM]    = "ecpm",
 181 };
 182
 183 /**
 184  * Asymmetric crypto operation strings identifiers.
 185  */
 186 const char *rte_crypto_asym_op_strings[] = {
 187         [RTE_CRYPTO_ASYM_OP_ENCRYPT]    = "encrypt",
 188         [RTE_CRYPTO_ASYM_OP_DECRYPT]    = "decrypt",
 189         [RTE_CRYPTO_ASYM_OP_SIGN]       = "sign",
 190         [RTE_CRYPTO_ASYM_OP_VERIFY]     = "verify",
 191         [RTE_CRYPTO_ASYM_OP_PRIVATE_KEY_GENERATE]       = "priv_key_generate",
 192         [RTE_CRYPTO_ASYM_OP_PUBLIC_KEY_GENERATE] = "pub_key_generate",
 193         [RTE_CRYPTO_ASYM_OP_SHARED_SECRET_COMPUTE] = "sharedsecret_compute",
 194 };
 195
 196 /**
 197  * The private data structure stored in the session mempool private data.
 198  */
 199 struct rte_cryptodev_sym_session_pool_private_data {
 200         uint16_t nb_drivers;
 201         /**< number of elements in sess_data array */
 202         uint16_t user_data_sz;
 203         /**< session user data will be placed after sess_data */
 204 };
 205
 206 int
 207 rte_cryptodev_get_cipher_algo_enum(enum rte_crypto_cipher_algorithm *algo_enum,
 208                 const char *algo_string)
 209 {
 210         unsigned int i;
 211
 212         for (i = 1; i < RTE_DIM(rte_crypto_cipher_algorithm_strings); i++) {
 213                 if (strcmp(algo_string, rte_crypto_cipher_algorithm_strings[i]) == 0) {
 214                         *algo_enum = (enum rte_crypto_cipher_algorithm) i;
 215                         return 0;
 216                 }
 217         }
 218
 219         /* Invalid string */
 220         return -1;
 221 }
 222
 223 int
 224 rte_cryptodev_get_auth_algo_enum(enum rte_crypto_auth_algorithm *algo_enum,
 225                 const char *algo_string)
 226 {
 227         unsigned int i;
 228
 229         for (i = 1; i < RTE_DIM(rte_crypto_auth_algorithm_strings); i++) {
 230                 if (strcmp(algo_string, rte_crypto_auth_algorithm_strings[i]) == 0) {
 231                         *algo_enum = (enum rte_crypto_auth_algorithm) i;
 232                         return 0;
 233                 }
 234         }
 235
 236         /* Invalid string */
 237         return -1;
 238 }
 239
 240 int
 241 rte_cryptodev_get_aead_algo_enum(enum rte_crypto_aead_algorithm *algo_enum,
 242                 const char *algo_string)
 243 {
 244         unsigned int i;
 245
 246         for (i = 1; i < RTE_DIM(rte_crypto_aead_algorithm_strings); i++) {
 247                 if (strcmp(algo_string, rte_crypto_aead_algorithm_strings[i]) == 0) {
 248                         *algo_enum = (enum rte_crypto_aead_algorithm) i;
 249                         return 0;
 250                 }
 251         }
 252
 253         /* Invalid string */
 254         return -1;
 255 }
 256
 257 int
 258 rte_cryptodev_asym_get_xform_enum(enum rte_crypto_asym_xform_type *xform_enum,
 259                 const char *xform_string)
 260 {
 261         unsigned int i;
 262
 263         for (i = 1; i < RTE_DIM(rte_crypto_asym_xform_strings); i++) {
 264                 if (strcmp(xform_string,
 265                         rte_crypto_asym_xform_strings[i]) == 0) {
 266                         *xform_enum = (enum rte_crypto_asym_xform_type) i;
 267                         return 0;
 268                 }
 269         }
 270
 271         /* Invalid string */
 272         return -1;
 273 }
 274
 275 /**
 276  * The crypto auth operation strings identifiers.
 277  * It could be used in application command line.
 278  */
 279 const char *
 280 rte_crypto_auth_operation_strings[] = {
 281                 [RTE_CRYPTO_AUTH_OP_VERIFY]     = "verify",
 282                 [RTE_CRYPTO_AUTH_OP_GENERATE]   = "generate"
 283 };
 284
 285 const struct rte_cryptodev_symmetric_capability *
 286 rte_cryptodev_sym_capability_get(uint8_t dev_id,
 287                 const struct rte_cryptodev_sym_capability_idx *idx)
 288 {
 289         const struct rte_cryptodev_capabilities *capability;
 290         struct rte_cryptodev_info dev_info;
 291         int i = 0;
 292
 293         rte_cryptodev_info_get(dev_id, &dev_info);
 294
 295         while ((capability = &dev_info.capabilities[i++])->op !=
 296                         RTE_CRYPTO_OP_TYPE_UNDEFINED) {
 297                 if (capability->op != RTE_CRYPTO_OP_TYPE_SYMMETRIC)
 298                         continue;
 299
 300                 if (capability->sym.xform_type != idx->type)
 301                         continue;
 302
 303                 if (idx->type == RTE_CRYPTO_SYM_XFORM_AUTH &&
 304                         capability->sym.auth.algo == idx->algo.auth)
 305                         return &capability->sym;
 306
 307                 if (idx->type == RTE_CRYPTO_SYM_XFORM_CIPHER &&
 308                         capability->sym.cipher.algo == idx->algo.cipher)
 309                         return &capability->sym;
 310
 311                 if (idx->type == RTE_CRYPTO_SYM_XFORM_AEAD &&
 312                                 capability->sym.aead.algo == idx->algo.aead)
 313                         return &capability->sym;
 314         }
 315
 316         return NULL;
 317 }
 318
 319 static int
 320 param_range_check(uint16_t size, const struct rte_crypto_param_range *range)
 321 {
 322         unsigned int next_size;
 323
 324         /* Check lower/upper bounds */
 325         if (size < range->min)
 326                 return -1;
 327
 328         if (size > range->max)
 329                 return -1;
 330
 331         /* If range is actually only one value, size is correct */
 332         if (range->increment == 0)
 333                 return 0;
 334
 335         /* Check if value is one of the supported sizes */
 336         for (next_size = range->min; next_size <= range->max;
 337                         next_size += range->increment)
 338                 if (size == next_size)
 339                         return 0;
 340
 341         return -1;
 342 }
 343
 344 const struct rte_cryptodev_asymmetric_xform_capability *
 345 rte_cryptodev_asym_capability_get(uint8_t dev_id,
 346                 const struct rte_cryptodev_asym_capability_idx *idx)
 347 {
 348         const struct rte_cryptodev_capabilities *capability;
 349         struct rte_cryptodev_info dev_info;
 350         unsigned int i = 0;
 351
 352         memset(&dev_info, 0, sizeof(struct rte_cryptodev_info));
 353         rte_cryptodev_info_get(dev_id, &dev_info);
 354
 355         while ((capability = &dev_info.capabilities[i++])->op !=
 356                         RTE_CRYPTO_OP_TYPE_UNDEFINED) {
 357                 if (capability->op != RTE_CRYPTO_OP_TYPE_ASYMMETRIC)
 358                         continue;
 359
 360                 if (capability->asym.xform_capa.xform_type == idx->type)
 361                         return &capability->asym.xform_capa;
 362         }
 363         return NULL;
 364 };
 365
 366 int
 367 rte_cryptodev_sym_capability_check_cipher(
 368                 const struct rte_cryptodev_symmetric_capability *capability,
 369                 uint16_t key_size, uint16_t iv_size)
 370 {
 371         if (param_range_check(key_size, &capability->cipher.key_size) != 0)
 372                 return -1;
 373
 374         if (param_range_check(iv_size, &capability->cipher.iv_size) != 0)
 375                 return -1;
 376
 377         return 0;
 378 }
 379
 380 int
 381 rte_cryptodev_sym_capability_check_auth(
 382                 const struct rte_cryptodev_symmetric_capability *capability,
 383                 uint16_t key_size, uint16_t digest_size, uint16_t iv_size)
 384 {
 385         if (param_range_check(key_size, &capability->auth.key_size) != 0)
 386                 return -1;
 387
 388         if (param_range_check(digest_size, &capability->auth.digest_size) != 0)
 389                 return -1;
 390
 391         if (param_range_check(iv_size, &capability->auth.iv_size) != 0)
 392                 return -1;
 393
 394         return 0;
 395 }
 396
 397 int
 398 rte_cryptodev_sym_capability_check_aead(
 399                 const struct rte_cryptodev_symmetric_capability *capability,
 400                 uint16_t key_size, uint16_t digest_size, uint16_t aad_size,
 401                 uint16_t iv_size)
 402 {
 403         if (param_range_check(key_size, &capability->aead.key_size) != 0)
 404                 return -1;
 405
 406         if (param_range_check(digest_size, &capability->aead.digest_size) != 0)
 407                 return -1;
 408
 409         if (param_range_check(aad_size, &capability->aead.aad_size) != 0)
 410                 return -1;
 411
 412         if (param_range_check(iv_size, &capability->aead.iv_size) != 0)
 413                 return -1;
 414
 415         return 0;
 416 }
 417 int
 418 rte_cryptodev_asym_xform_capability_check_optype(
 419         const struct rte_cryptodev_asymmetric_xform_capability *capability,
 420         enum rte_crypto_asym_op_type op_type)
 421 {
 422         if (capability->op_types & (1 << op_type))
 423                 return 1;
 424
 425         return 0;
 426 }
 427
 428 int
 429 rte_cryptodev_asym_xform_capability_check_modlen(
 430         const struct rte_cryptodev_asymmetric_xform_capability *capability,
 431         uint16_t modlen)
 432 {
 433         /* no need to check for limits, if min or max = 0 */
 434         if (capability->modlen.min != 0) {
 435                 if (modlen < capability->modlen.min)
 436                         return -1;
 437         }
 438
 439         if (capability->modlen.max != 0) {
 440                 if (modlen > capability->modlen.max)
 441                         return -1;
 442         }
 443
 444         /* in any case, check if given modlen is module increment */
 445         if (capability->modlen.increment != 0) {
 446                 if (modlen % (capability->modlen.increment))
 447                         return -1;
 448         }
 449
 450         return 0;
 451 }
 452
 453 /* spinlock for crypto device enq callbacks */
 454 static rte_spinlock_t rte_cryptodev_callback_lock = RTE_SPINLOCK_INITIALIZER;
 455
 456 static void
 457 cryptodev_cb_cleanup(struct rte_cryptodev *dev)
 458 {
 459         struct rte_cryptodev_cb_rcu *list;
 460         struct rte_cryptodev_cb *cb, *next;
 461         uint16_t qp_id;
 462
 463         if (dev->enq_cbs == NULL && dev->deq_cbs == NULL)
 464                 return;
 465
 466         for (qp_id = 0; qp_id < dev->data->nb_queue_pairs; qp_id++) {
 467                 list = &dev->enq_cbs[qp_id];
 468                 cb = list->next;
 469                 while (cb != NULL) {
 470                         next = cb->next;
 471                         rte_free(cb);
 472                         cb = next;
 473                 }
 474
 475                 rte_free(list->qsbr);
 476         }
 477
 478         for (qp_id = 0; qp_id < dev->data->nb_queue_pairs; qp_id++) {
 479                 list = &dev->deq_cbs[qp_id];
 480                 cb = list->next;
 481                 while (cb != NULL) {
 482                         next = cb->next;
 483                         rte_free(cb);
 484                         cb = next;
 485                 }
 486
 487                 rte_free(list->qsbr);
 488         }
 489
 490         rte_free(dev->enq_cbs);
 491         dev->enq_cbs = NULL;
 492         rte_free(dev->deq_cbs);
 493         dev->deq_cbs = NULL;
 494 }
 495
 496 static int
 497 cryptodev_cb_init(struct rte_cryptodev *dev)
 498 {
 499         struct rte_cryptodev_cb_rcu *list;
 500         struct rte_rcu_qsbr *qsbr;
 501         uint16_t qp_id;
 502         size_t size;
 503
 504         /* Max thread set to 1, as one DP thread accessing a queue-pair */
 505         const uint32_t max_threads = 1;
 506
 507         dev->enq_cbs = rte_zmalloc(NULL,
 508                                    sizeof(struct rte_cryptodev_cb_rcu) *
 509                                    dev->data->nb_queue_pairs, 0);
 510         if (dev->enq_cbs == NULL) {
 511                 CDEV_LOG_ERR("Failed to allocate memory for enq callbacks");
 512                 return -ENOMEM;
 513         }
 514
 515         dev->deq_cbs = rte_zmalloc(NULL,
 516                                    sizeof(struct rte_cryptodev_cb_rcu) *
 517                                    dev->data->nb_queue_pairs, 0);
 518         if (dev->deq_cbs == NULL) {
 519                 CDEV_LOG_ERR("Failed to allocate memory for deq callbacks");
 520                 rte_free(dev->enq_cbs);
 521                 return -ENOMEM;
 522         }
 523
 524         /* Create RCU QSBR variable */
 525         size = rte_rcu_qsbr_get_memsize(max_threads);
 526
 527         for (qp_id = 0; qp_id < dev->data->nb_queue_pairs; qp_id++) {
 528                 list = &dev->enq_cbs[qp_id];
 529                 qsbr = rte_zmalloc(NULL, size, RTE_CACHE_LINE_SIZE);
 530                 if (qsbr == NULL) {
 531                         CDEV_LOG_ERR("Failed to allocate memory for RCU on "
 532                                 "queue_pair_id=%d", qp_id);
 533                         goto cb_init_err;
 534                 }
 535
 536                 if (rte_rcu_qsbr_init(qsbr, max_threads)) {
 537                         CDEV_LOG_ERR("Failed to initialize for RCU on "
 538                                 "queue_pair_id=%d", qp_id);
 539                         goto cb_init_err;
 540                 }
 541
 542                 list->qsbr = qsbr;
 543         }
 544
 545         for (qp_id = 0; qp_id < dev->data->nb_queue_pairs; qp_id++) {
 546                 list = &dev->deq_cbs[qp_id];
 547                 qsbr = rte_zmalloc(NULL, size, RTE_CACHE_LINE_SIZE);
 548                 if (qsbr == NULL) {
 549                         CDEV_LOG_ERR("Failed to allocate memory for RCU on "
 550                                 "queue_pair_id=%d", qp_id);
 551                         goto cb_init_err;
 552                 }
 553
 554                 if (rte_rcu_qsbr_init(qsbr, max_threads)) {
 555                         CDEV_LOG_ERR("Failed to initialize for RCU on "
 556                                 "queue_pair_id=%d", qp_id);
 557                         goto cb_init_err;
 558                 }
 559
 560                 list->qsbr = qsbr;
 561         }
 562
 563         return 0;
 564
 565 cb_init_err:
 566         cryptodev_cb_cleanup(dev);
 567         return -ENOMEM;
 568 }
 569
 570 const char *
 571 rte_cryptodev_get_feature_name(uint64_t flag)
 572 {
 573         switch (flag) {
 574         case RTE_CRYPTODEV_FF_SYMMETRIC_CRYPTO:
 575                 return "SYMMETRIC_CRYPTO";
 576         case RTE_CRYPTODEV_FF_ASYMMETRIC_CRYPTO:
 577                 return "ASYMMETRIC_CRYPTO";
 578         case RTE_CRYPTODEV_FF_SYM_OPERATION_CHAINING:
 579                 return "SYM_OPERATION_CHAINING";
 580         case RTE_CRYPTODEV_FF_CPU_SSE:
 581                 return "CPU_SSE";
 582         case RTE_CRYPTODEV_FF_CPU_AVX:
 583                 return "CPU_AVX";
 584         case RTE_CRYPTODEV_FF_CPU_AVX2:
 585                 return "CPU_AVX2";
 586         case RTE_CRYPTODEV_FF_CPU_AVX512:
 587                 return "CPU_AVX512";
 588         case RTE_CRYPTODEV_FF_CPU_AESNI:
 589                 return "CPU_AESNI";
 590         case RTE_CRYPTODEV_FF_HW_ACCELERATED:
 591                 return "HW_ACCELERATED";
 592         case RTE_CRYPTODEV_FF_IN_PLACE_SGL:
 593                 return "IN_PLACE_SGL";
 594         case RTE_CRYPTODEV_FF_OOP_SGL_IN_SGL_OUT:
 595                 return "OOP_SGL_IN_SGL_OUT";
 596         case RTE_CRYPTODEV_FF_OOP_SGL_IN_LB_OUT:
 597                 return "OOP_SGL_IN_LB_OUT";
 598         case RTE_CRYPTODEV_FF_OOP_LB_IN_SGL_OUT:
 599                 return "OOP_LB_IN_SGL_OUT";
 600         case RTE_CRYPTODEV_FF_OOP_LB_IN_LB_OUT:
 601                 return "OOP_LB_IN_LB_OUT";
 602         case RTE_CRYPTODEV_FF_CPU_NEON:
 603                 return "CPU_NEON";
 604         case RTE_CRYPTODEV_FF_CPU_ARM_CE:
 605                 return "CPU_ARM_CE";
 606         case RTE_CRYPTODEV_FF_SECURITY:
 607                 return "SECURITY_PROTOCOL";
 608         case RTE_CRYPTODEV_FF_RSA_PRIV_OP_KEY_EXP:
 609                 return "RSA_PRIV_OP_KEY_EXP";
 610         case RTE_CRYPTODEV_FF_RSA_PRIV_OP_KEY_QT:
 611                 return "RSA_PRIV_OP_KEY_QT";
 612         case RTE_CRYPTODEV_FF_DIGEST_ENCRYPTED:
 613                 return "DIGEST_ENCRYPTED";
 614         case RTE_CRYPTODEV_FF_SYM_CPU_CRYPTO:
 615                 return "SYM_CPU_CRYPTO";
 616         case RTE_CRYPTODEV_FF_ASYM_SESSIONLESS:
 617                 return "ASYM_SESSIONLESS";
 618         case RTE_CRYPTODEV_FF_SYM_SESSIONLESS:
 619                 return "SYM_SESSIONLESS";
 620         case RTE_CRYPTODEV_FF_NON_BYTE_ALIGNED_DATA:
 621                 return "NON_BYTE_ALIGNED_DATA";
 622         case RTE_CRYPTODEV_FF_CIPHER_MULTIPLE_DATA_UNITS:
 623                 return "CIPHER_MULTIPLE_DATA_UNITS";
 624         case RTE_CRYPTODEV_FF_CIPHER_WRAPPED_KEY:
 625                 return "CIPHER_WRAPPED_KEY";
 626         default:
 627                 return NULL;
 628         }
 629 }
 630
 631 struct rte_cryptodev *
 632 rte_cryptodev_pmd_get_dev(uint8_t dev_id)
 633 {
 634         return &cryptodev_globals.devs[dev_id];
 635 }
 636
 637 struct rte_cryptodev *
 638 rte_cryptodev_pmd_get_named_dev(const char *name)
 639 {
 640         struct rte_cryptodev *dev;
 641         unsigned int i;
 642
 643         if (name == NULL)
 644                 return NULL;
 645
 646         for (i = 0; i < RTE_CRYPTO_MAX_DEVS; i++) {
 647                 dev = &cryptodev_globals.devs[i];
 648
 649                 if ((dev->attached == RTE_CRYPTODEV_ATTACHED) &&
 650                                 (strcmp(dev->data->name, name) == 0))
 651                         return dev;
 652         }
 653
 654         return NULL;
 655 }
 656
 657 static inline uint8_t
 658 rte_cryptodev_is_valid_device_data(uint8_t dev_id)
 659 {
 660         if (dev_id >= RTE_CRYPTO_MAX_DEVS ||
 661                         rte_crypto_devices[dev_id].data == NULL)
 662                 return 0;
 663
 664         return 1;
 665 }
 666
 667 unsigned int
 668 rte_cryptodev_is_valid_dev(uint8_t dev_id)
 669 {
 670         struct rte_cryptodev *dev = NULL;
 671
 672         if (!rte_cryptodev_is_valid_device_data(dev_id))
 673                 return 0;
 674
 675         dev = rte_cryptodev_pmd_get_dev(dev_id);
 676         if (dev->attached != RTE_CRYPTODEV_ATTACHED)
 677                 return 0;
 678         else
 679                 return 1;
 680 }
 681
 682
 683 int
 684 rte_cryptodev_get_dev_id(const char *name)
 685 {
 686         unsigned i;
 687
 688         if (name == NULL)
 689                 return -1;
 690
 691         for (i = 0; i < RTE_CRYPTO_MAX_DEVS; i++) {
 692                 if (!rte_cryptodev_is_valid_device_data(i))
 693                         continue;
 694                 if ((strcmp(cryptodev_globals.devs[i].data->name, name)
 695                                 == 0) &&
 696                                 (cryptodev_globals.devs[i].attached ==
 697                                                 RTE_CRYPTODEV_ATTACHED))
 698                         return i;
 699         }
 700
 701         return -1;
 702 }
 703
 704 uint8_t
 705 rte_cryptodev_count(void)
 706 {
 707         return cryptodev_globals.nb_devs;
 708 }
 709
 710 uint8_t
 711 rte_cryptodev_device_count_by_driver(uint8_t driver_id)
 712 {
 713         uint8_t i, dev_count = 0;
 714
 715         for (i = 0; i < RTE_CRYPTO_MAX_DEVS; i++)
 716                 if (cryptodev_globals.devs[i].driver_id == driver_id &&
 717                         cryptodev_globals.devs[i].attached ==
 718                                         RTE_CRYPTODEV_ATTACHED)
 719                         dev_count++;
 720
 721         return dev_count;
 722 }
 723
 724 uint8_t
 725 rte_cryptodev_devices_get(const char *driver_name, uint8_t *devices,
 726         uint8_t nb_devices)
 727 {
 728         uint8_t i, count = 0;
 729         struct rte_cryptodev *devs = cryptodev_globals.devs;
 730
 731         for (i = 0; i < RTE_CRYPTO_MAX_DEVS && count < nb_devices; i++) {
 732                 if (!rte_cryptodev_is_valid_device_data(i))
 733                         continue;
 734
 735                 if (devs[i].attached == RTE_CRYPTODEV_ATTACHED) {
 736                         int cmp;
 737
 738                         cmp = strncmp(devs[i].device->driver->name,
 739                                         driver_name,
 740                                         strlen(driver_name) + 1);
 741
 742                         if (cmp == 0)
 743                                 devices[count++] = devs[i].data->dev_id;
 744                 }
 745         }
 746
 747         return count;
 748 }
 749
 750 void *
 751 rte_cryptodev_get_sec_ctx(uint8_t dev_id)
 752 {
 753         if (dev_id < RTE_CRYPTO_MAX_DEVS &&
 754                         (rte_crypto_devices[dev_id].feature_flags &
 755                         RTE_CRYPTODEV_FF_SECURITY))
 756                 return rte_crypto_devices[dev_id].security_ctx;
 757
 758         return NULL;
 759 }
 760
 761 int
 762 rte_cryptodev_socket_id(uint8_t dev_id)
 763 {
 764         struct rte_cryptodev *dev;
 765
 766         if (!rte_cryptodev_is_valid_dev(dev_id))
 767                 return -1;
 768
 769         dev = rte_cryptodev_pmd_get_dev(dev_id);
 770
 771         return dev->data->socket_id;
 772 }
 773
 774 static inline int
 775 rte_cryptodev_data_alloc(uint8_t dev_id, struct rte_cryptodev_data **data,
 776                 int socket_id)
 777 {
 778         char mz_name[RTE_MEMZONE_NAMESIZE];
 779         const struct rte_memzone *mz;
 780         int n;
 781
 782         /* generate memzone name */
 783         n = snprintf(mz_name, sizeof(mz_name), "rte_cryptodev_data_%u", dev_id);
 784         if (n >= (int)sizeof(mz_name))
 785                 return -EINVAL;
 786
 787         if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
 788                 mz = rte_memzone_reserve(mz_name,
 789                                 sizeof(struct rte_cryptodev_data),
 790                                 socket_id, 0);
 791                 CDEV_LOG_DEBUG("PRIMARY:reserved memzone for %s (%p)",
 792                                 mz_name, mz);
 793         } else {
 794                 mz = rte_memzone_lookup(mz_name);
 795                 CDEV_LOG_DEBUG("SECONDARY:looked up memzone for %s (%p)",
 796                                 mz_name, mz);
 797         }
 798
 799         if (mz == NULL)
 800                 return -ENOMEM;
 801
 802         *data = mz->addr;
 803         if (rte_eal_process_type() == RTE_PROC_PRIMARY)
 804                 memset(*data, 0, sizeof(struct rte_cryptodev_data));
 805
 806         return 0;
 807 }
 808
 809 static inline int
 810 rte_cryptodev_data_free(uint8_t dev_id, struct rte_cryptodev_data **data)
 811 {
 812         char mz_name[RTE_MEMZONE_NAMESIZE];
 813         const struct rte_memzone *mz;
 814         int n;
 815
 816         /* generate memzone name */
 817         n = snprintf(mz_name, sizeof(mz_name), "rte_cryptodev_data_%u", dev_id);
 818         if (n >= (int)sizeof(mz_name))
 819                 return -EINVAL;
 820
 821         mz = rte_memzone_lookup(mz_name);
 822         if (mz == NULL)
 823                 return -ENOMEM;
 824
 825         RTE_ASSERT(*data == mz->addr);
 826         *data = NULL;
 827
 828         if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
 829                 CDEV_LOG_DEBUG("PRIMARY:free memzone of %s (%p)",
 830                                 mz_name, mz);
 831                 return rte_memzone_free(mz);
 832         } else {
 833                 CDEV_LOG_DEBUG("SECONDARY:don't free memzone of %s (%p)",
 834                                 mz_name, mz);
 835         }
 836
 837         return 0;
 838 }
 839
 840 static uint8_t
 841 rte_cryptodev_find_free_device_index(void)
 842 {
 843         uint8_t dev_id;
 844
 845         for (dev_id = 0; dev_id < RTE_CRYPTO_MAX_DEVS; dev_id++) {
 846                 if (rte_crypto_devices[dev_id].attached ==
 847                                 RTE_CRYPTODEV_DETACHED)
 848                         return dev_id;
 849         }
 850         return RTE_CRYPTO_MAX_DEVS;
 851 }
 852
 853 struct rte_cryptodev *
 854 rte_cryptodev_pmd_allocate(const char *name, int socket_id)
 855 {
 856         struct rte_cryptodev *cryptodev;
 857         uint8_t dev_id;
 858
 859         if (rte_cryptodev_pmd_get_named_dev(name) != NULL) {
 860                 CDEV_LOG_ERR("Crypto device with name %s already "
 861                                 "allocated!", name);
 862                 return NULL;
 863         }
 864
 865         dev_id = rte_cryptodev_find_free_device_index();
 866         if (dev_id == RTE_CRYPTO_MAX_DEVS) {
 867                 CDEV_LOG_ERR("Reached maximum number of crypto devices");
 868                 return NULL;
 869         }
 870
 871         cryptodev = rte_cryptodev_pmd_get_dev(dev_id);
 872
 873         if (cryptodev->data == NULL) {
 874                 struct rte_cryptodev_data **cryptodev_data =
 875                                 &cryptodev_globals.data[dev_id];
 876
 877                 int retval = rte_cryptodev_data_alloc(dev_id, cryptodev_data,
 878                                 socket_id);
 879
 880                 if (retval < 0 || *cryptodev_data == NULL)
 881                         return NULL;
 882
 883                 cryptodev->data = *cryptodev_data;
 884
 885                 if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
 886                         strlcpy(cryptodev->data->name, name,
 887                                 RTE_CRYPTODEV_NAME_MAX_LEN);
 888
 889                         cryptodev->data->dev_id = dev_id;
 890                         cryptodev->data->socket_id = socket_id;
 891                         cryptodev->data->dev_started = 0;
 892                         CDEV_LOG_DEBUG("PRIMARY:init data");
 893                 }
 894
 895                 CDEV_LOG_DEBUG("Data for %s: dev_id %d, socket %d, started %d",
 896                                 cryptodev->data->name,
 897                                 cryptodev->data->dev_id,
 898                                 cryptodev->data->socket_id,
 899                                 cryptodev->data->dev_started);
 900
 901                 /* init user callbacks */
 902                 TAILQ_INIT(&(cryptodev->link_intr_cbs));
 903
 904                 cryptodev->attached = RTE_CRYPTODEV_ATTACHED;
 905
 906                 cryptodev_globals.nb_devs++;
 907         }
 908
 909         return cryptodev;
 910 }
 911
 912 int
 913 rte_cryptodev_pmd_release_device(struct rte_cryptodev *cryptodev)
 914 {
 915         int ret;
 916         uint8_t dev_id;
 917
 918         if (cryptodev == NULL)
 919                 return -EINVAL;
 920
 921         dev_id = cryptodev->data->dev_id;
 922
 923         cryptodev_fp_ops_reset(rte_crypto_fp_ops + dev_id);
 924
 925         /* Close device only if device operations have been set */
 926         if (cryptodev->dev_ops) {
 927                 ret = rte_cryptodev_close(dev_id);
 928                 if (ret < 0)
 929                         return ret;
 930         }
 931
 932         ret = rte_cryptodev_data_free(dev_id, &cryptodev_globals.data[dev_id]);
 933         if (ret < 0)
 934                 return ret;
 935
 936         cryptodev->attached = RTE_CRYPTODEV_DETACHED;
 937         cryptodev_globals.nb_devs--;
 938         return 0;
 939 }
 940
 941 uint16_t
 942 rte_cryptodev_queue_pair_count(uint8_t dev_id)
 943 {
 944         struct rte_cryptodev *dev;
 945
 946         if (!rte_cryptodev_is_valid_device_data(dev_id)) {
 947                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
 948                 return 0;
 949         }
 950
 951         dev = &rte_crypto_devices[dev_id];
 952         return dev->data->nb_queue_pairs;
 953 }
 954
 955 static int
 956 rte_cryptodev_queue_pairs_config(struct rte_cryptodev *dev, uint16_t nb_qpairs,
 957                 int socket_id)
 958 {
 959         struct rte_cryptodev_info dev_info;
 960         void **qp;
 961         unsigned i;
 962
 963         if ((dev == NULL) || (nb_qpairs < 1)) {
 964                 CDEV_LOG_ERR("invalid param: dev %p, nb_queues %u",
 965                                                         dev, nb_qpairs);
 966                 return -EINVAL;
 967         }
 968
 969         CDEV_LOG_DEBUG("Setup %d queues pairs on device %u",
 970                         nb_qpairs, dev->data->dev_id);
 971
 972         memset(&dev_info, 0, sizeof(struct rte_cryptodev_info));
 973
 974         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_infos_get, -ENOTSUP);
 975         (*dev->dev_ops->dev_infos_get)(dev, &dev_info);
 976
 977         if (nb_qpairs > (dev_info.max_nb_queue_pairs)) {
 978                 CDEV_LOG_ERR("Invalid num queue_pairs (%u) for dev %u",
 979                                 nb_qpairs, dev->data->dev_id);
 980             return -EINVAL;
 981         }
 982
 983         if (dev->data->queue_pairs == NULL) { /* first time configuration */
 984                 dev->data->queue_pairs = rte_zmalloc_socket(
 985                                 "cryptodev->queue_pairs",
 986                                 sizeof(dev->data->queue_pairs[0]) *
 987                                 dev_info.max_nb_queue_pairs,
 988                                 RTE_CACHE_LINE_SIZE, socket_id);
 989
 990                 if (dev->data->queue_pairs == NULL) {
 991                         dev->data->nb_queue_pairs = 0;
 992                         CDEV_LOG_ERR("failed to get memory for qp meta data, "
 993                                                         "nb_queues %u",
 994                                                         nb_qpairs);
 995                         return -(ENOMEM);
 996                 }
 997         } else { /* re-configure */
 998                 int ret;
 999                 uint16_t old_nb_queues = dev->data->nb_queue_pairs;
1000
1001                 qp = dev->data->queue_pairs;
1002
1003                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->queue_pair_release,
1004                                 -ENOTSUP);
1005
1006                 for (i = nb_qpairs; i < old_nb_queues; i++) {
1007                         ret = (*dev->dev_ops->queue_pair_release)(dev, i);
1008                         if (ret < 0)
1009                                 return ret;
1010                         qp[i] = NULL;
1011                 }
1012
1013         }
1014         dev->data->nb_queue_pairs = nb_qpairs;
1015         return 0;
1016 }
1017
1018 int
1019 rte_cryptodev_configure(uint8_t dev_id, struct rte_cryptodev_config *config)
1020 {
1021         struct rte_cryptodev *dev;
1022         int diag;
1023
1024         if (!rte_cryptodev_is_valid_dev(dev_id)) {
1025                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
1026                 return -EINVAL;
1027         }
1028
1029         dev = &rte_crypto_devices[dev_id];
1030
1031         if (dev->data->dev_started) {
1032                 CDEV_LOG_ERR(
1033                     "device %d must be stopped to allow configuration", dev_id);
1034                 return -EBUSY;
1035         }
1036
1037         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_configure, -ENOTSUP);
1038
1039         rte_spinlock_lock(&rte_cryptodev_callback_lock);
1040         cryptodev_cb_cleanup(dev);
1041         rte_spinlock_unlock(&rte_cryptodev_callback_lock);
1042
1043         /* Setup new number of queue pairs and reconfigure device. */
1044         diag = rte_cryptodev_queue_pairs_config(dev, config->nb_queue_pairs,
1045                         config->socket_id);
1046         if (diag != 0) {
1047                 CDEV_LOG_ERR("dev%d rte_crypto_dev_queue_pairs_config = %d",
1048                                 dev_id, diag);
1049                 return diag;
1050         }
1051
1052         rte_spinlock_lock(&rte_cryptodev_callback_lock);
1053         diag = cryptodev_cb_init(dev);
1054         rte_spinlock_unlock(&rte_cryptodev_callback_lock);
1055         if (diag) {
1056                 CDEV_LOG_ERR("Callback init failed for dev_id=%d", dev_id);
1057                 return diag;
1058         }
1059
1060         rte_cryptodev_trace_configure(dev_id, config);
1061         return (*dev->dev_ops->dev_configure)(dev, config);
1062 }
1063
1064 int
1065 rte_cryptodev_start(uint8_t dev_id)
1066 {
1067         struct rte_cryptodev *dev;
1068         int diag;
1069
1070         CDEV_LOG_DEBUG("Start dev_id=%" PRIu8, dev_id);
1071
1072         if (!rte_cryptodev_is_valid_dev(dev_id)) {
1073                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
1074                 return -EINVAL;
1075         }
1076
1077         dev = &rte_crypto_devices[dev_id];
1078
1079         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_start, -ENOTSUP);
1080
1081         if (dev->data->dev_started != 0) {
1082                 CDEV_LOG_ERR("Device with dev_id=%" PRIu8 " already started",
1083                         dev_id);
1084                 return 0;
1085         }
1086
1087         diag = (*dev->dev_ops->dev_start)(dev);
1088         /* expose selection of PMD fast-path functions */
1089         cryptodev_fp_ops_set(rte_crypto_fp_ops + dev_id, dev);
1090
1091         rte_cryptodev_trace_start(dev_id, diag);
1092         if (diag == 0)
1093                 dev->data->dev_started = 1;
1094         else
1095                 return diag;
1096
1097         return 0;
1098 }
1099
1100 void
1101 rte_cryptodev_stop(uint8_t dev_id)
1102 {
1103         struct rte_cryptodev *dev;
1104
1105         if (!rte_cryptodev_is_valid_dev(dev_id)) {
1106                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
1107                 return;
1108         }
1109
1110         dev = &rte_crypto_devices[dev_id];
1111
1112         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->dev_stop);
1113
1114         if (dev->data->dev_started == 0) {
1115                 CDEV_LOG_ERR("Device with dev_id=%" PRIu8 " already stopped",
1116                         dev_id);
1117                 return;
1118         }
1119
1120         /* point fast-path functions to dummy ones */
1121         cryptodev_fp_ops_reset(rte_crypto_fp_ops + dev_id);
1122
1123         (*dev->dev_ops->dev_stop)(dev);
1124         rte_cryptodev_trace_stop(dev_id);
1125         dev->data->dev_started = 0;
1126 }
1127
1128 int
1129 rte_cryptodev_close(uint8_t dev_id)
1130 {
1131         struct rte_cryptodev *dev;
1132         int retval;
1133
1134         if (!rte_cryptodev_is_valid_dev(dev_id)) {
1135                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
1136                 return -1;
1137         }
1138
1139         dev = &rte_crypto_devices[dev_id];
1140
1141         /* Device must be stopped before it can be closed */
1142         if (dev->data->dev_started == 1) {
1143                 CDEV_LOG_ERR("Device %u must be stopped before closing",
1144                                 dev_id);
1145                 return -EBUSY;
1146         }
1147
1148         /* We can't close the device if there are outstanding sessions in use */
1149         if (dev->data->session_pool != NULL) {
1150                 if (!rte_mempool_full(dev->data->session_pool)) {
1151                         CDEV_LOG_ERR("dev_id=%u close failed, session mempool "
1152                                         "has sessions still in use, free "
1153                                         "all sessions before calling close",
1154                                         (unsigned)dev_id);
1155                         return -EBUSY;
1156                 }
1157         }
1158
1159         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_close, -ENOTSUP);
1160         retval = (*dev->dev_ops->dev_close)(dev);
1161         rte_cryptodev_trace_close(dev_id, retval);
1162
1163         if (retval < 0)
1164                 return retval;
1165
1166         return 0;
1167 }
1168
1169 int
1170 rte_cryptodev_get_qp_status(uint8_t dev_id, uint16_t queue_pair_id)
1171 {
1172         struct rte_cryptodev *dev;
1173
1174         if (!rte_cryptodev_is_valid_dev(dev_id)) {
1175                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
1176                 return -EINVAL;
1177         }
1178
1179         dev = &rte_crypto_devices[dev_id];
1180         if (queue_pair_id >= dev->data->nb_queue_pairs) {
1181                 CDEV_LOG_ERR("Invalid queue_pair_id=%d", queue_pair_id);
1182                 return -EINVAL;
1183         }
1184         void **qps = dev->data->queue_pairs;
1185
1186         if (qps[queue_pair_id]) {
1187                 CDEV_LOG_DEBUG("qp %d on dev %d is initialised",
1188                         queue_pair_id, dev_id);
1189                 return 1;
1190         }
1191
1192         CDEV_LOG_DEBUG("qp %d on dev %d is not initialised",
1193                 queue_pair_id, dev_id);
1194
1195         return 0;
1196 }
1197
1198 int
1199 rte_cryptodev_queue_pair_setup(uint8_t dev_id, uint16_t queue_pair_id,
1200                 const struct rte_cryptodev_qp_conf *qp_conf, int socket_id)
1201
1202 {
1203         struct rte_cryptodev *dev;
1204
1205         if (!rte_cryptodev_is_valid_dev(dev_id)) {
1206                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
1207                 return -EINVAL;
1208         }
1209
1210         dev = &rte_crypto_devices[dev_id];
1211         if (queue_pair_id >= dev->data->nb_queue_pairs) {
1212                 CDEV_LOG_ERR("Invalid queue_pair_id=%d", queue_pair_id);
1213                 return -EINVAL;
1214         }
1215
1216         if (!qp_conf) {
1217                 CDEV_LOG_ERR("qp_conf cannot be NULL\n");
1218                 return -EINVAL;
1219         }
1220
1221         if ((qp_conf->mp_session && !qp_conf->mp_session_private) ||
1222                         (!qp_conf->mp_session && qp_conf->mp_session_private)) {
1223                 CDEV_LOG_ERR("Invalid mempools\n");
1224                 return -EINVAL;
1225         }
1226
1227         if (qp_conf->mp_session) {
1228                 struct rte_cryptodev_sym_session_pool_private_data *pool_priv;
1229                 uint32_t obj_size = qp_conf->mp_session->elt_size;
1230                 uint32_t obj_priv_size = qp_conf->mp_session_private->elt_size;
1231                 struct rte_cryptodev_sym_session s = {0};
1232
1233                 pool_priv = rte_mempool_get_priv(qp_conf->mp_session);
1234                 if (!pool_priv || qp_conf->mp_session->private_data_size <
1235                                 sizeof(*pool_priv)) {
1236                         CDEV_LOG_ERR("Invalid mempool\n");
1237                         return -EINVAL;
1238                 }
1239
1240                 s.nb_drivers = pool_priv->nb_drivers;
1241                 s.user_data_sz = pool_priv->user_data_sz;
1242
1243                 if ((rte_cryptodev_sym_get_existing_header_session_size(&s) >
1244                         obj_size) || (s.nb_drivers <= dev->driver_id) ||
1245                         rte_cryptodev_sym_get_private_session_size(dev_id) >
1246                                 obj_priv_size) {
1247                         CDEV_LOG_ERR("Invalid mempool\n");
1248                         return -EINVAL;
1249                 }
1250         }
1251
1252         if (dev->data->dev_started) {
1253                 CDEV_LOG_ERR(
1254                     "device %d must be stopped to allow configuration", dev_id);
1255                 return -EBUSY;
1256         }
1257
1258         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->queue_pair_setup, -ENOTSUP);
1259
1260         rte_cryptodev_trace_queue_pair_setup(dev_id, queue_pair_id, qp_conf);
1261         return (*dev->dev_ops->queue_pair_setup)(dev, queue_pair_id, qp_conf,
1262                         socket_id);
1263 }
1264
1265 struct rte_cryptodev_cb *
1266 rte_cryptodev_add_enq_callback(uint8_t dev_id,
1267                                uint16_t qp_id,
1268                                rte_cryptodev_callback_fn cb_fn,
1269                                void *cb_arg)
1270 {
1271         struct rte_cryptodev *dev;
1272         struct rte_cryptodev_cb_rcu *list;
1273         struct rte_cryptodev_cb *cb, *tail;
1274
1275         if (!cb_fn) {
1276                 CDEV_LOG_ERR("Callback is NULL on dev_id=%d", dev_id);
1277                 rte_errno = EINVAL;
1278                 return NULL;
1279         }
1280
1281         if (!rte_cryptodev_is_valid_dev(dev_id)) {
1282                 CDEV_LOG_ERR("Invalid dev_id=%d", dev_id);
1283                 rte_errno = ENODEV;
1284                 return NULL;
1285         }
1286
1287         dev = &rte_crypto_devices[dev_id];
1288         if (qp_id >= dev->data->nb_queue_pairs) {
1289                 CDEV_LOG_ERR("Invalid queue_pair_id=%d", qp_id);
1290                 rte_errno = ENODEV;
1291                 return NULL;
1292         }
1293
1294         cb = rte_zmalloc(NULL, sizeof(*cb), 0);
1295         if (cb == NULL) {
1296                 CDEV_LOG_ERR("Failed to allocate memory for callback on "
1297                              "dev=%d, queue_pair_id=%d", dev_id, qp_id);
1298                 rte_errno = ENOMEM;
1299                 return NULL;
1300         }
1301
1302         rte_spinlock_lock(&rte_cryptodev_callback_lock);
1303
1304         cb->fn = cb_fn;
1305         cb->arg = cb_arg;
1306
1307         /* Add the callbacks in fifo order. */
1308         list = &dev->enq_cbs[qp_id];
1309         tail = list->next;
1310
1311         if (tail) {
1312                 while (tail->next)
1313                         tail = tail->next;
1314                 /* Stores to cb->fn and cb->param should complete before
1315                  * cb is visible to data plane.
1316                  */
1317                 __atomic_store_n(&tail->next, cb, __ATOMIC_RELEASE);
1318         } else {
1319                 /* Stores to cb->fn and cb->param should complete before
1320                  * cb is visible to data plane.
1321                  */
1322                 __atomic_store_n(&list->next, cb, __ATOMIC_RELEASE);
1323         }
1324
1325         rte_spinlock_unlock(&rte_cryptodev_callback_lock);
1326
1327         return cb;
1328 }
1329
1330 int
1331 rte_cryptodev_remove_enq_callback(uint8_t dev_id,
1332                                   uint16_t qp_id,
1333                                   struct rte_cryptodev_cb *cb)
1334 {
1335         struct rte_cryptodev *dev;
1336         struct rte_cryptodev_cb **prev_cb, *curr_cb;
1337         struct rte_cryptodev_cb_rcu *list;
1338         int ret;
1339
1340         ret = -EINVAL;
1341
1342         if (!cb) {
1343                 CDEV_LOG_ERR("Callback is NULL");
1344                 return -EINVAL;
1345         }
1346
1347         if (!rte_cryptodev_is_valid_dev(dev_id)) {
1348                 CDEV_LOG_ERR("Invalid dev_id=%d", dev_id);
1349                 return -ENODEV;
1350         }
1351
1352         dev = &rte_crypto_devices[dev_id];
1353         if (qp_id >= dev->data->nb_queue_pairs) {
1354                 CDEV_LOG_ERR("Invalid queue_pair_id=%d", qp_id);
1355                 return -ENODEV;
1356         }
1357
1358         rte_spinlock_lock(&rte_cryptodev_callback_lock);
1359         if (dev->enq_cbs == NULL) {
1360                 CDEV_LOG_ERR("Callback not initialized");
1361                 goto cb_err;
1362         }
1363
1364         list = &dev->enq_cbs[qp_id];
1365         if (list == NULL) {
1366                 CDEV_LOG_ERR("Callback list is NULL");
1367                 goto cb_err;
1368         }
1369
1370         if (list->qsbr == NULL) {
1371                 CDEV_LOG_ERR("Rcu qsbr is NULL");
1372                 goto cb_err;
1373         }
1374
1375         prev_cb = &list->next;
1376         for (; *prev_cb != NULL; prev_cb = &curr_cb->next) {
1377                 curr_cb = *prev_cb;
1378                 if (curr_cb == cb) {
1379                         /* Remove the user cb from the callback list. */
1380                         __atomic_store_n(prev_cb, curr_cb->next,
1381                                 __ATOMIC_RELAXED);
1382                         ret = 0;
1383                         break;
1384                 }
1385         }
1386
1387         if (!ret) {
1388                 /* Call sync with invalid thread id as this is part of
1389                  * control plane API
1390                  */
1391                 rte_rcu_qsbr_synchronize(list->qsbr, RTE_QSBR_THRID_INVALID);
1392                 rte_free(cb);
1393         }
1394
1395 cb_err:
1396         rte_spinlock_unlock(&rte_cryptodev_callback_lock);
1397         return ret;
1398 }
1399
1400 struct rte_cryptodev_cb *
1401 rte_cryptodev_add_deq_callback(uint8_t dev_id,
1402                                uint16_t qp_id,
1403                                rte_cryptodev_callback_fn cb_fn,
1404                                void *cb_arg)
1405 {
1406         struct rte_cryptodev *dev;
1407         struct rte_cryptodev_cb_rcu *list;
1408         struct rte_cryptodev_cb *cb, *tail;
1409
1410         if (!cb_fn) {
1411                 CDEV_LOG_ERR("Callback is NULL on dev_id=%d", dev_id);
1412                 rte_errno = EINVAL;
1413                 return NULL;
1414         }
1415
1416         if (!rte_cryptodev_is_valid_dev(dev_id)) {
1417                 CDEV_LOG_ERR("Invalid dev_id=%d", dev_id);
1418                 rte_errno = ENODEV;
1419                 return NULL;
1420         }
1421
1422         dev = &rte_crypto_devices[dev_id];
1423         if (qp_id >= dev->data->nb_queue_pairs) {
1424                 CDEV_LOG_ERR("Invalid queue_pair_id=%d", qp_id);
1425                 rte_errno = ENODEV;
1426                 return NULL;
1427         }
1428
1429         cb = rte_zmalloc(NULL, sizeof(*cb), 0);
1430         if (cb == NULL) {
1431                 CDEV_LOG_ERR("Failed to allocate memory for callback on "
1432                              "dev=%d, queue_pair_id=%d", dev_id, qp_id);
1433                 rte_errno = ENOMEM;
1434                 return NULL;
1435         }
1436
1437         rte_spinlock_lock(&rte_cryptodev_callback_lock);
1438
1439         cb->fn = cb_fn;
1440         cb->arg = cb_arg;
1441
1442         /* Add the callbacks in fifo order. */
1443         list = &dev->deq_cbs[qp_id];
1444         tail = list->next;
1445
1446         if (tail) {
1447                 while (tail->next)
1448                         tail = tail->next;
1449                 /* Stores to cb->fn and cb->param should complete before
1450                  * cb is visible to data plane.
1451                  */
1452                 __atomic_store_n(&tail->next, cb, __ATOMIC_RELEASE);
1453         } else {
1454                 /* Stores to cb->fn and cb->param should complete before
1455                  * cb is visible to data plane.
1456                  */
1457                 __atomic_store_n(&list->next, cb, __ATOMIC_RELEASE);
1458         }
1459
1460         rte_spinlock_unlock(&rte_cryptodev_callback_lock);
1461
1462         return cb;
1463 }
1464
1465 int
1466 rte_cryptodev_remove_deq_callback(uint8_t dev_id,
1467                                   uint16_t qp_id,
1468                                   struct rte_cryptodev_cb *cb)
1469 {
1470         struct rte_cryptodev *dev;
1471         struct rte_cryptodev_cb **prev_cb, *curr_cb;
1472         struct rte_cryptodev_cb_rcu *list;
1473         int ret;
1474
1475         ret = -EINVAL;
1476
1477         if (!cb) {
1478                 CDEV_LOG_ERR("Callback is NULL");
1479                 return -EINVAL;
1480         }
1481
1482         if (!rte_cryptodev_is_valid_dev(dev_id)) {
1483                 CDEV_LOG_ERR("Invalid dev_id=%d", dev_id);
1484                 return -ENODEV;
1485         }
1486
1487         dev = &rte_crypto_devices[dev_id];
1488         if (qp_id >= dev->data->nb_queue_pairs) {
1489                 CDEV_LOG_ERR("Invalid queue_pair_id=%d", qp_id);
1490                 return -ENODEV;
1491         }
1492
1493         rte_spinlock_lock(&rte_cryptodev_callback_lock);
1494         if (dev->enq_cbs == NULL) {
1495                 CDEV_LOG_ERR("Callback not initialized");
1496                 goto cb_err;
1497         }
1498
1499         list = &dev->deq_cbs[qp_id];
1500         if (list == NULL) {
1501                 CDEV_LOG_ERR("Callback list is NULL");
1502                 goto cb_err;
1503         }
1504
1505         if (list->qsbr == NULL) {
1506                 CDEV_LOG_ERR("Rcu qsbr is NULL");
1507                 goto cb_err;
1508         }
1509
1510         prev_cb = &list->next;
1511         for (; *prev_cb != NULL; prev_cb = &curr_cb->next) {
1512                 curr_cb = *prev_cb;
1513                 if (curr_cb == cb) {
1514                         /* Remove the user cb from the callback list. */
1515                         __atomic_store_n(prev_cb, curr_cb->next,
1516                                 __ATOMIC_RELAXED);
1517                         ret = 0;
1518                         break;
1519                 }
1520         }
1521
1522         if (!ret) {
1523                 /* Call sync with invalid thread id as this is part of
1524                  * control plane API
1525                  */
1526                 rte_rcu_qsbr_synchronize(list->qsbr, RTE_QSBR_THRID_INVALID);
1527                 rte_free(cb);
1528         }
1529
1530 cb_err:
1531         rte_spinlock_unlock(&rte_cryptodev_callback_lock);
1532         return ret;
1533 }
1534
1535 int
1536 rte_cryptodev_stats_get(uint8_t dev_id, struct rte_cryptodev_stats *stats)
1537 {
1538         struct rte_cryptodev *dev;
1539
1540         if (!rte_cryptodev_is_valid_dev(dev_id)) {
1541                 CDEV_LOG_ERR("Invalid dev_id=%d", dev_id);
1542                 return -ENODEV;
1543         }
1544
1545         if (stats == NULL) {
1546                 CDEV_LOG_ERR("Invalid stats ptr");
1547                 return -EINVAL;
1548         }
1549
1550         dev = &rte_crypto_devices[dev_id];
1551         memset(stats, 0, sizeof(*stats));
1552
1553         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->stats_get, -ENOTSUP);
1554         (*dev->dev_ops->stats_get)(dev, stats);
1555         return 0;
1556 }
1557
1558 void
1559 rte_cryptodev_stats_reset(uint8_t dev_id)
1560 {
1561         struct rte_cryptodev *dev;
1562
1563         if (!rte_cryptodev_is_valid_dev(dev_id)) {
1564                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
1565                 return;
1566         }
1567
1568         dev = &rte_crypto_devices[dev_id];
1569
1570         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->stats_reset);
1571         (*dev->dev_ops->stats_reset)(dev);
1572 }
1573
1574 void
1575 rte_cryptodev_info_get(uint8_t dev_id, struct rte_cryptodev_info *dev_info)
1576 {
1577         struct rte_cryptodev *dev;
1578
1579         if (!rte_cryptodev_is_valid_dev(dev_id)) {
1580                 CDEV_LOG_ERR("Invalid dev_id=%d", dev_id);
1581                 return;
1582         }
1583
1584         dev = &rte_crypto_devices[dev_id];
1585
1586         memset(dev_info, 0, sizeof(struct rte_cryptodev_info));
1587
1588         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->dev_infos_get);
1589         (*dev->dev_ops->dev_infos_get)(dev, dev_info);
1590
1591         dev_info->driver_name = dev->device->driver->name;
1592         dev_info->device = dev->device;
1593 }
1594
1595 int
1596 rte_cryptodev_callback_register(uint8_t dev_id,
1597                         enum rte_cryptodev_event_type event,
1598                         rte_cryptodev_cb_fn cb_fn, void *cb_arg)
1599 {
1600         struct rte_cryptodev *dev;
1601         struct rte_cryptodev_callback *user_cb;
1602
1603         if (!cb_fn)
1604                 return -EINVAL;
1605
1606         if (!rte_cryptodev_is_valid_dev(dev_id)) {
1607                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
1608                 return -EINVAL;
1609         }
1610
1611         dev = &rte_crypto_devices[dev_id];
1612         rte_spinlock_lock(&rte_cryptodev_cb_lock);
1613
1614         TAILQ_FOREACH(user_cb, &(dev->link_intr_cbs), next) {
1615                 if (user_cb->cb_fn == cb_fn &&
1616                         user_cb->cb_arg == cb_arg &&
1617                         user_cb->event == event) {
1618                         break;
1619                 }
1620         }
1621
1622         /* create a new callback. */
1623         if (user_cb == NULL) {
1624                 user_cb = rte_zmalloc("INTR_USER_CALLBACK",
1625                                 sizeof(struct rte_cryptodev_callback), 0);
1626                 if (user_cb != NULL) {
1627                         user_cb->cb_fn = cb_fn;
1628                         user_cb->cb_arg = cb_arg;
1629                         user_cb->event = event;
1630                         TAILQ_INSERT_TAIL(&(dev->link_intr_cbs), user_cb, next);
1631                 }
1632         }
1633
1634         rte_spinlock_unlock(&rte_cryptodev_cb_lock);
1635         return (user_cb == NULL) ? -ENOMEM : 0;
1636 }
1637
1638 int
1639 rte_cryptodev_callback_unregister(uint8_t dev_id,
1640                         enum rte_cryptodev_event_type event,
1641                         rte_cryptodev_cb_fn cb_fn, void *cb_arg)
1642 {
1643         int ret;
1644         struct rte_cryptodev *dev;
1645         struct rte_cryptodev_callback *cb, *next;
1646
1647         if (!cb_fn)
1648                 return -EINVAL;
1649
1650         if (!rte_cryptodev_is_valid_dev(dev_id)) {
1651                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
1652                 return -EINVAL;
1653         }
1654
1655         dev = &rte_crypto_devices[dev_id];
1656         rte_spinlock_lock(&rte_cryptodev_cb_lock);
1657
1658         ret = 0;
1659         for (cb = TAILQ_FIRST(&dev->link_intr_cbs); cb != NULL; cb = next) {
1660
1661                 next = TAILQ_NEXT(cb, next);
1662
1663                 if (cb->cb_fn != cb_fn || cb->event != event ||
1664                                 (cb->cb_arg != (void *)-1 &&
1665                                 cb->cb_arg != cb_arg))
1666                         continue;
1667
1668                 /*
1669                  * if this callback is not executing right now,
1670                  * then remove it.
1671                  */
1672                 if (cb->active == 0) {
1673                         TAILQ_REMOVE(&(dev->link_intr_cbs), cb, next);
1674                         rte_free(cb);
1675                 } else {
1676                         ret = -EAGAIN;
1677                 }
1678         }
1679
1680         rte_spinlock_unlock(&rte_cryptodev_cb_lock);
1681         return ret;
1682 }
1683
1684 void
1685 rte_cryptodev_pmd_callback_process(struct rte_cryptodev *dev,
1686         enum rte_cryptodev_event_type event)
1687 {
1688         struct rte_cryptodev_callback *cb_lst;
1689         struct rte_cryptodev_callback dev_cb;
1690
1691         rte_spinlock_lock(&rte_cryptodev_cb_lock);
1692         TAILQ_FOREACH(cb_lst, &(dev->link_intr_cbs), next) {
1693                 if (cb_lst->cb_fn == NULL || cb_lst->event != event)
1694                         continue;
1695                 dev_cb = *cb_lst;
1696                 cb_lst->active = 1;
1697                 rte_spinlock_unlock(&rte_cryptodev_cb_lock);
1698                 dev_cb.cb_fn(dev->data->dev_id, dev_cb.event,
1699                                                 dev_cb.cb_arg);
1700                 rte_spinlock_lock(&rte_cryptodev_cb_lock);
1701                 cb_lst->active = 0;
1702         }
1703         rte_spinlock_unlock(&rte_cryptodev_cb_lock);
1704 }
1705
1706 int
1707 rte_cryptodev_sym_session_init(uint8_t dev_id,
1708                 struct rte_cryptodev_sym_session *sess,
1709                 struct rte_crypto_sym_xform *xforms,
1710                 struct rte_mempool *mp)
1711 {
1712         struct rte_cryptodev *dev;
1713         uint32_t sess_priv_sz = rte_cryptodev_sym_get_private_session_size(
1714                         dev_id);
1715         uint8_t index;
1716         int ret;
1717
1718         if (!rte_cryptodev_is_valid_dev(dev_id)) {
1719                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
1720                 return -EINVAL;
1721         }
1722
1723         dev = rte_cryptodev_pmd_get_dev(dev_id);
1724
1725         if (sess == NULL || xforms == NULL || dev == NULL || mp == NULL)
1726                 return -EINVAL;
1727
1728         if (mp->elt_size < sess_priv_sz)
1729                 return -EINVAL;
1730
1731         index = dev->driver_id;
1732         if (index >= sess->nb_drivers)
1733                 return -EINVAL;
1734
1735         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->sym_session_configure, -ENOTSUP);
1736
1737         if (sess->sess_data[index].refcnt == 0) {
1738                 ret = dev->dev_ops->sym_session_configure(dev, xforms,
1739                                                         sess, mp);
1740                 if (ret < 0) {
1741                         CDEV_LOG_ERR(
1742                                 "dev_id %d failed to configure session details",
1743                                 dev_id);
1744                         return ret;
1745                 }
1746         }
1747
1748         rte_cryptodev_trace_sym_session_init(dev_id, sess, xforms, mp);
1749         sess->sess_data[index].refcnt++;
1750         return 0;
1751 }
1752
1753 int
1754 rte_cryptodev_asym_session_init(uint8_t dev_id,
1755                 struct rte_cryptodev_asym_session *sess,
1756                 struct rte_crypto_asym_xform *xforms,
1757                 struct rte_mempool *mp)
1758 {
1759         struct rte_cryptodev *dev;
1760         uint8_t index;
1761         int ret;
1762
1763         if (!rte_cryptodev_is_valid_dev(dev_id)) {
1764                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
1765                 return -EINVAL;
1766         }
1767
1768         dev = rte_cryptodev_pmd_get_dev(dev_id);
1769
1770         if (sess == NULL || xforms == NULL || dev == NULL)
1771                 return -EINVAL;
1772
1773         index = dev->driver_id;
1774
1775         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->asym_session_configure,
1776                                 -ENOTSUP);
1777
1778         if (sess->sess_private_data[index] == NULL) {
1779                 ret = dev->dev_ops->asym_session_configure(dev,
1780                                                         xforms,
1781                                                         sess, mp);
1782                 if (ret < 0) {
1783                         CDEV_LOG_ERR(
1784                                 "dev_id %d failed to configure session details",
1785                                 dev_id);
1786                         return ret;
1787                 }
1788         }
1789
1790         rte_cryptodev_trace_asym_session_init(dev_id, sess, xforms, mp);
1791         return 0;
1792 }
1793
1794 struct rte_mempool *
1795 rte_cryptodev_sym_session_pool_create(const char *name, uint32_t nb_elts,
1796         uint32_t elt_size, uint32_t cache_size, uint16_t user_data_size,
1797         int socket_id)
1798 {
1799         struct rte_mempool *mp;
1800         struct rte_cryptodev_sym_session_pool_private_data *pool_priv;
1801         uint32_t obj_sz;
1802
1803         obj_sz = rte_cryptodev_sym_get_header_session_size() + user_data_size;
1804         if (obj_sz > elt_size)
1805                 CDEV_LOG_INFO("elt_size %u is expanded to %u\n", elt_size,
1806                                 obj_sz);
1807         else
1808                 obj_sz = elt_size;
1809
1810         mp = rte_mempool_create(name, nb_elts, obj_sz, cache_size,
1811                         (uint32_t)(sizeof(*pool_priv)),
1812                         NULL, NULL, NULL, NULL,
1813                         socket_id, 0);
1814         if (mp == NULL) {
1815                 CDEV_LOG_ERR("%s(name=%s) failed, rte_errno=%d\n",
1816                         __func__, name, rte_errno);
1817                 return NULL;
1818         }
1819
1820         pool_priv = rte_mempool_get_priv(mp);
1821         if (!pool_priv) {
1822                 CDEV_LOG_ERR("%s(name=%s) failed to get private data\n",
1823                         __func__, name);
1824                 rte_mempool_free(mp);
1825                 return NULL;
1826         }
1827
1828         pool_priv->nb_drivers = nb_drivers;
1829         pool_priv->user_data_sz = user_data_size;
1830
1831         rte_cryptodev_trace_sym_session_pool_create(name, nb_elts,
1832                 elt_size, cache_size, user_data_size, mp);
1833         return mp;
1834 }
1835
1836 static unsigned int
1837 rte_cryptodev_sym_session_data_size(struct rte_cryptodev_sym_session *sess)
1838 {
1839         return (sizeof(sess->sess_data[0]) * sess->nb_drivers) +
1840                         sess->user_data_sz;
1841 }
1842
1843 static uint8_t
1844 rte_cryptodev_sym_is_valid_session_pool(struct rte_mempool *mp)
1845 {
1846         struct rte_cryptodev_sym_session_pool_private_data *pool_priv;
1847
1848         if (!mp)
1849                 return 0;
1850
1851         pool_priv = rte_mempool_get_priv(mp);
1852
1853         if (!pool_priv || mp->private_data_size < sizeof(*pool_priv) ||
1854                         pool_priv->nb_drivers != nb_drivers ||
1855                         mp->elt_size <
1856                                 rte_cryptodev_sym_get_header_session_size()
1857                                 + pool_priv->user_data_sz)
1858                 return 0;
1859
1860         return 1;
1861 }
1862
1863 struct rte_cryptodev_sym_session *
1864 rte_cryptodev_sym_session_create(struct rte_mempool *mp)
1865 {
1866         struct rte_cryptodev_sym_session *sess;
1867         struct rte_cryptodev_sym_session_pool_private_data *pool_priv;
1868
1869         if (!rte_cryptodev_sym_is_valid_session_pool(mp)) {
1870                 CDEV_LOG_ERR("Invalid mempool\n");
1871                 return NULL;
1872         }
1873
1874         pool_priv = rte_mempool_get_priv(mp);
1875
1876         /* Allocate a session structure from the session pool */
1877         if (rte_mempool_get(mp, (void **)&sess)) {
1878                 CDEV_LOG_ERR("couldn't get object from session mempool");
1879                 return NULL;
1880         }
1881
1882         sess->nb_drivers = pool_priv->nb_drivers;
1883         sess->user_data_sz = pool_priv->user_data_sz;
1884         sess->opaque_data = 0;
1885
1886         /* Clear device session pointer.
1887          * Include the flag indicating presence of user data
1888          */
1889         memset(sess->sess_data, 0,
1890                         rte_cryptodev_sym_session_data_size(sess));
1891
1892         rte_cryptodev_trace_sym_session_create(mp, sess);
1893         return sess;
1894 }
1895
1896 struct rte_cryptodev_asym_session *
1897 rte_cryptodev_asym_session_create(struct rte_mempool *mp)
1898 {
1899         struct rte_cryptodev_asym_session *sess;
1900         unsigned int session_size =
1901                         rte_cryptodev_asym_get_header_session_size();
1902
1903         if (!mp) {
1904                 CDEV_LOG_ERR("invalid mempool\n");
1905                 return NULL;
1906         }
1907
1908         /* Verify if provided mempool can hold elements big enough. */
1909         if (mp->elt_size < session_size) {
1910                 CDEV_LOG_ERR(
1911                         "mempool elements too small to hold session objects");
1912                 return NULL;
1913         }
1914
1915         /* Allocate a session structure from the session pool */
1916         if (rte_mempool_get(mp, (void **)&sess)) {
1917                 CDEV_LOG_ERR("couldn't get object from session mempool");
1918                 return NULL;
1919         }
1920
1921         /* Clear device session pointer.
1922          * Include the flag indicating presence of private data
1923          */
1924         memset(sess, 0, session_size);
1925
1926         rte_cryptodev_trace_asym_session_create(mp, sess);
1927         return sess;
1928 }
1929
1930 int
1931 rte_cryptodev_sym_session_clear(uint8_t dev_id,
1932                 struct rte_cryptodev_sym_session *sess)
1933 {
1934         struct rte_cryptodev *dev;
1935         uint8_t driver_id;
1936
1937         if (!rte_cryptodev_is_valid_dev(dev_id)) {
1938                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
1939                 return -EINVAL;
1940         }
1941
1942         dev = rte_cryptodev_pmd_get_dev(dev_id);
1943
1944         if (dev == NULL || sess == NULL)
1945                 return -EINVAL;
1946
1947         driver_id = dev->driver_id;
1948         if (sess->sess_data[driver_id].refcnt == 0)
1949                 return 0;
1950         if (--sess->sess_data[driver_id].refcnt != 0)
1951                 return -EBUSY;
1952
1953         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->sym_session_clear, -ENOTSUP);
1954
1955         dev->dev_ops->sym_session_clear(dev, sess);
1956
1957         rte_cryptodev_trace_sym_session_clear(dev_id, sess);
1958         return 0;
1959 }
1960
1961 int
1962 rte_cryptodev_asym_session_clear(uint8_t dev_id,
1963                 struct rte_cryptodev_asym_session *sess)
1964 {
1965         struct rte_cryptodev *dev;
1966
1967         if (!rte_cryptodev_is_valid_dev(dev_id)) {
1968                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
1969                 return -EINVAL;
1970         }
1971
1972         dev = rte_cryptodev_pmd_get_dev(dev_id);
1973
1974         if (dev == NULL || sess == NULL)
1975                 return -EINVAL;
1976
1977         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->asym_session_clear, -ENOTSUP);
1978
1979         dev->dev_ops->asym_session_clear(dev, sess);
1980
1981         rte_cryptodev_trace_sym_session_clear(dev_id, sess);
1982         return 0;
1983 }
1984
1985 int
1986 rte_cryptodev_sym_session_free(struct rte_cryptodev_sym_session *sess)
1987 {
1988         uint8_t i;
1989         struct rte_mempool *sess_mp;
1990
1991         if (sess == NULL)
1992                 return -EINVAL;
1993
1994         /* Check that all device private data has been freed */
1995         for (i = 0; i < sess->nb_drivers; i++) {
1996                 if (sess->sess_data[i].refcnt != 0)
1997                         return -EBUSY;
1998         }
1999
2000         /* Return session to mempool */
2001         sess_mp = rte_mempool_from_obj(sess);
2002         rte_mempool_put(sess_mp, sess);
2003
2004         rte_cryptodev_trace_sym_session_free(sess);
2005         return 0;
2006 }
2007
2008 int
2009 rte_cryptodev_asym_session_free(struct rte_cryptodev_asym_session *sess)
2010 {
2011         uint8_t i;
2012         void *sess_priv;
2013         struct rte_mempool *sess_mp;
2014
2015         if (sess == NULL)
2016                 return -EINVAL;
2017
2018         /* Check that all device private data has been freed */
2019         for (i = 0; i < nb_drivers; i++) {
2020                 sess_priv = get_asym_session_private_data(sess, i);
2021                 if (sess_priv != NULL)
2022                         return -EBUSY;
2023         }
2024
2025         /* Return session to mempool */
2026         sess_mp = rte_mempool_from_obj(sess);
2027         rte_mempool_put(sess_mp, sess);
2028
2029         rte_cryptodev_trace_asym_session_free(sess);
2030         return 0;
2031 }
2032
2033 unsigned int
2034 rte_cryptodev_sym_get_header_session_size(void)
2035 {
2036         /*
2037          * Header contains pointers to the private data of all registered
2038          * drivers and all necessary information to ensure safely clear
2039          * or free al session.
2040          */
2041         struct rte_cryptodev_sym_session s = {0};
2042
2043         s.nb_drivers = nb_drivers;
2044
2045         return (unsigned int)(sizeof(s) +
2046                         rte_cryptodev_sym_session_data_size(&s));
2047 }
2048
2049 unsigned int
2050 rte_cryptodev_sym_get_existing_header_session_size(
2051                 struct rte_cryptodev_sym_session *sess)
2052 {
2053         if (!sess)
2054                 return 0;
2055         else
2056                 return (unsigned int)(sizeof(*sess) +
2057                                 rte_cryptodev_sym_session_data_size(sess));
2058 }
2059
2060 unsigned int
2061 rte_cryptodev_asym_get_header_session_size(void)
2062 {
2063         /*
2064          * Header contains pointers to the private data
2065          * of all registered drivers, and a flag which
2066          * indicates presence of private data
2067          */
2068         return ((sizeof(void *) * nb_drivers) + sizeof(uint8_t));
2069 }
2070
2071 unsigned int
2072 rte_cryptodev_sym_get_private_session_size(uint8_t dev_id)
2073 {
2074         struct rte_cryptodev *dev;
2075         unsigned int priv_sess_size;
2076
2077         if (!rte_cryptodev_is_valid_dev(dev_id))
2078                 return 0;
2079
2080         dev = rte_cryptodev_pmd_get_dev(dev_id);
2081
2082         if (*dev->dev_ops->sym_session_get_size == NULL)
2083                 return 0;
2084
2085         priv_sess_size = (*dev->dev_ops->sym_session_get_size)(dev);
2086
2087         return priv_sess_size;
2088 }
2089
2090 unsigned int
2091 rte_cryptodev_asym_get_private_session_size(uint8_t dev_id)
2092 {
2093         struct rte_cryptodev *dev;
2094         unsigned int header_size = sizeof(void *) * nb_drivers;
2095         unsigned int priv_sess_size;
2096
2097         if (!rte_cryptodev_is_valid_dev(dev_id))
2098                 return 0;
2099
2100         dev = rte_cryptodev_pmd_get_dev(dev_id);
2101
2102         if (*dev->dev_ops->asym_session_get_size == NULL)
2103                 return 0;
2104
2105         priv_sess_size = (*dev->dev_ops->asym_session_get_size)(dev);
2106         if (priv_sess_size < header_size)
2107                 return header_size;
2108
2109         return priv_sess_size;
2110
2111 }
2112
2113 int
2114 rte_cryptodev_sym_session_set_user_data(
2115                                         struct rte_cryptodev_sym_session *sess,
2116                                         void *data,
2117                                         uint16_t size)
2118 {
2119         if (sess == NULL)
2120                 return -EINVAL;
2121
2122         if (sess->user_data_sz < size)
2123                 return -ENOMEM;
2124
2125         rte_memcpy(sess->sess_data + sess->nb_drivers, data, size);
2126         return 0;
2127 }
2128
2129 void *
2130 rte_cryptodev_sym_session_get_user_data(
2131                                         struct rte_cryptodev_sym_session *sess)
2132 {
2133         if (sess == NULL || sess->user_data_sz == 0)
2134                 return NULL;
2135
2136         return (void *)(sess->sess_data + sess->nb_drivers);
2137 }
2138
2139 static inline void
2140 sym_crypto_fill_status(struct rte_crypto_sym_vec *vec, int32_t errnum)
2141 {
2142         uint32_t i;
2143         for (i = 0; i < vec->num; i++)
2144                 vec->status[i] = errnum;
2145 }
2146
2147 uint32_t
2148 rte_cryptodev_sym_cpu_crypto_process(uint8_t dev_id,
2149         struct rte_cryptodev_sym_session *sess, union rte_crypto_sym_ofs ofs,
2150         struct rte_crypto_sym_vec *vec)
2151 {
2152         struct rte_cryptodev *dev;
2153
2154         if (!rte_cryptodev_is_valid_dev(dev_id)) {
2155                 sym_crypto_fill_status(vec, EINVAL);
2156                 return 0;
2157         }
2158
2159         dev = rte_cryptodev_pmd_get_dev(dev_id);
2160
2161         if (*dev->dev_ops->sym_cpu_process == NULL ||
2162                 !(dev->feature_flags & RTE_CRYPTODEV_FF_SYM_CPU_CRYPTO)) {
2163                 sym_crypto_fill_status(vec, ENOTSUP);
2164                 return 0;
2165         }
2166
2167         return dev->dev_ops->sym_cpu_process(dev, sess, ofs, vec);
2168 }
2169
2170 int
2171 rte_cryptodev_get_raw_dp_ctx_size(uint8_t dev_id)
2172 {
2173         struct rte_cryptodev *dev;
2174         int32_t size = sizeof(struct rte_crypto_raw_dp_ctx);
2175         int32_t priv_size;
2176
2177         if (!rte_cryptodev_is_valid_dev(dev_id))
2178                 return -EINVAL;
2179
2180         dev = rte_cryptodev_pmd_get_dev(dev_id);
2181
2182         if (*dev->dev_ops->sym_get_raw_dp_ctx_size == NULL ||
2183                 !(dev->feature_flags & RTE_CRYPTODEV_FF_SYM_RAW_DP)) {
2184                 return -ENOTSUP;
2185         }
2186
2187         priv_size = (*dev->dev_ops->sym_get_raw_dp_ctx_size)(dev);
2188         if (priv_size < 0)
2189                 return -ENOTSUP;
2190
2191         return RTE_ALIGN_CEIL((size + priv_size), 8);
2192 }
2193
2194 int
2195 rte_cryptodev_configure_raw_dp_ctx(uint8_t dev_id, uint16_t qp_id,
2196         struct rte_crypto_raw_dp_ctx *ctx,
2197         enum rte_crypto_op_sess_type sess_type,
2198         union rte_cryptodev_session_ctx session_ctx,
2199         uint8_t is_update)
2200 {
2201         struct rte_cryptodev *dev;
2202
2203         if (!rte_cryptodev_get_qp_status(dev_id, qp_id))
2204                 return -EINVAL;
2205
2206         dev = rte_cryptodev_pmd_get_dev(dev_id);
2207         if (!(dev->feature_flags & RTE_CRYPTODEV_FF_SYM_RAW_DP)
2208                         || dev->dev_ops->sym_configure_raw_dp_ctx == NULL)
2209                 return -ENOTSUP;
2210
2211         return (*dev->dev_ops->sym_configure_raw_dp_ctx)(dev, qp_id, ctx,
2212                         sess_type, session_ctx, is_update);
2213 }
2214
2215 uint32_t
2216 rte_cryptodev_raw_enqueue_burst(struct rte_crypto_raw_dp_ctx *ctx,
2217         struct rte_crypto_sym_vec *vec, union rte_crypto_sym_ofs ofs,
2218         void **user_data, int *enqueue_status)
2219 {
2220         return (*ctx->enqueue_burst)(ctx->qp_data, ctx->drv_ctx_data, vec,
2221                         ofs, user_data, enqueue_status);
2222 }
2223
2224 int
2225 rte_cryptodev_raw_enqueue_done(struct rte_crypto_raw_dp_ctx *ctx,
2226                 uint32_t n)
2227 {
2228         return (*ctx->enqueue_done)(ctx->qp_data, ctx->drv_ctx_data, n);
2229 }
2230
2231 uint32_t
2232 rte_cryptodev_raw_dequeue_burst(struct rte_crypto_raw_dp_ctx *ctx,
2233         rte_cryptodev_raw_get_dequeue_count_t get_dequeue_count,
2234         uint32_t max_nb_to_dequeue,
2235         rte_cryptodev_raw_post_dequeue_t post_dequeue,
2236         void **out_user_data, uint8_t is_user_data_array,
2237         uint32_t *n_success_jobs, int *status)
2238 {
2239         return (*ctx->dequeue_burst)(ctx->qp_data, ctx->drv_ctx_data,
2240                 get_dequeue_count, max_nb_to_dequeue, post_dequeue,
2241                 out_user_data, is_user_data_array, n_success_jobs, status);
2242 }
2243
2244 int
2245 rte_cryptodev_raw_dequeue_done(struct rte_crypto_raw_dp_ctx *ctx,
2246                 uint32_t n)
2247 {
2248         return (*ctx->dequeue_done)(ctx->qp_data, ctx->drv_ctx_data, n);
2249 }
2250
2251 /** Initialise rte_crypto_op mempool element */
2252 static void
2253 rte_crypto_op_init(struct rte_mempool *mempool,
2254                 void *opaque_arg,
2255                 void *_op_data,
2256                 __rte_unused unsigned i)
2257 {
2258         struct rte_crypto_op *op = _op_data;
2259         enum rte_crypto_op_type type = *(enum rte_crypto_op_type *)opaque_arg;
2260
2261         memset(_op_data, 0, mempool->elt_size);
2262
2263         __rte_crypto_op_reset(op, type);
2264
2265         op->phys_addr = rte_mem_virt2iova(_op_data);
2266         op->mempool = mempool;
2267 }
2268
2269
2270 struct rte_mempool *
2271 rte_crypto_op_pool_create(const char *name, enum rte_crypto_op_type type,
2272                 unsigned nb_elts, unsigned cache_size, uint16_t priv_size,
2273                 int socket_id)
2274 {
2275         struct rte_crypto_op_pool_private *priv;
2276
2277         unsigned elt_size = sizeof(struct rte_crypto_op) +
2278                         priv_size;
2279
2280         if (type == RTE_CRYPTO_OP_TYPE_SYMMETRIC) {
2281                 elt_size += sizeof(struct rte_crypto_sym_op);
2282         } else if (type == RTE_CRYPTO_OP_TYPE_ASYMMETRIC) {
2283                 elt_size += sizeof(struct rte_crypto_asym_op);
2284         } else if (type == RTE_CRYPTO_OP_TYPE_UNDEFINED) {
2285                 elt_size += RTE_MAX(sizeof(struct rte_crypto_sym_op),
2286                                     sizeof(struct rte_crypto_asym_op));
2287         } else {
2288                 CDEV_LOG_ERR("Invalid op_type\n");
2289                 return NULL;
2290         }
2291
2292         /* lookup mempool in case already allocated */
2293         struct rte_mempool *mp = rte_mempool_lookup(name);
2294
2295         if (mp != NULL) {
2296                 priv = (struct rte_crypto_op_pool_private *)
2297                                 rte_mempool_get_priv(mp);
2298
2299                 if (mp->elt_size != elt_size ||
2300                                 mp->cache_size < cache_size ||
2301                                 mp->size < nb_elts ||
2302                                 priv->priv_size <  priv_size) {
2303                         mp = NULL;
2304                         CDEV_LOG_ERR("Mempool %s already exists but with "
2305                                         "incompatible parameters", name);
2306                         return NULL;
2307                 }
2308                 return mp;
2309         }
2310
2311         mp = rte_mempool_create(
2312                         name,
2313                         nb_elts,
2314                         elt_size,
2315                         cache_size,
2316                         sizeof(struct rte_crypto_op_pool_private),
2317                         NULL,
2318                         NULL,
2319                         rte_crypto_op_init,
2320                         &type,
2321                         socket_id,
2322                         0);
2323
2324         if (mp == NULL) {
2325                 CDEV_LOG_ERR("Failed to create mempool %s", name);
2326                 return NULL;
2327         }
2328
2329         priv = (struct rte_crypto_op_pool_private *)
2330                         rte_mempool_get_priv(mp);
2331
2332         priv->priv_size = priv_size;
2333         priv->type = type;
2334
2335         return mp;
2336 }
2337
2338 int
2339 rte_cryptodev_pmd_create_dev_name(char *name, const char *dev_name_prefix)
2340 {
2341         struct rte_cryptodev *dev = NULL;
2342         uint32_t i = 0;
2343
2344         if (name == NULL)
2345                 return -EINVAL;
2346
2347         for (i = 0; i < RTE_CRYPTO_MAX_DEVS; i++) {
2348                 int ret = snprintf(name, RTE_CRYPTODEV_NAME_MAX_LEN,
2349                                 "%s_%u", dev_name_prefix, i);
2350
2351                 if (ret < 0)
2352                         return ret;
2353
2354                 dev = rte_cryptodev_pmd_get_named_dev(name);
2355                 if (!dev)
2356                         return 0;
2357         }
2358
2359         return -1;
2360 }
2361
2362 TAILQ_HEAD(cryptodev_driver_list, cryptodev_driver);
2363
2364 static struct cryptodev_driver_list cryptodev_driver_list =
2365         TAILQ_HEAD_INITIALIZER(cryptodev_driver_list);
2366
2367 int
2368 rte_cryptodev_driver_id_get(const char *name)
2369 {
2370         struct cryptodev_driver *driver;
2371         const char *driver_name;
2372
2373         if (name == NULL) {
2374                 RTE_LOG(DEBUG, CRYPTODEV, "name pointer NULL");
2375                 return -1;
2376         }
2377
2378         TAILQ_FOREACH(driver, &cryptodev_driver_list, next) {
2379                 driver_name = driver->driver->name;
2380                 if (strncmp(driver_name, name, strlen(driver_name) + 1) == 0)
2381                         return driver->id;
2382         }
2383         return -1;
2384 }
2385
2386 const char *
2387 rte_cryptodev_name_get(uint8_t dev_id)
2388 {
2389         struct rte_cryptodev *dev;
2390
2391         if (!rte_cryptodev_is_valid_device_data(dev_id)) {
2392                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
2393                 return NULL;
2394         }
2395
2396         dev = rte_cryptodev_pmd_get_dev(dev_id);
2397         if (dev == NULL)
2398                 return NULL;
2399
2400         return dev->data->name;
2401 }
2402
2403 const char *
2404 rte_cryptodev_driver_name_get(uint8_t driver_id)
2405 {
2406         struct cryptodev_driver *driver;
2407
2408         TAILQ_FOREACH(driver, &cryptodev_driver_list, next)
2409                 if (driver->id == driver_id)
2410                         return driver->driver->name;
2411         return NULL;
2412 }
2413
2414 uint8_t
2415 rte_cryptodev_allocate_driver(struct cryptodev_driver *crypto_drv,
2416                 const struct rte_driver *drv)
2417 {
2418         crypto_drv->driver = drv;
2419         crypto_drv->id = nb_drivers;
2420
2421         TAILQ_INSERT_TAIL(&cryptodev_driver_list, crypto_drv, next);
2422
2423         return nb_drivers++;
2424 }
2425
2426 RTE_INIT(cryptodev_init_fp_ops)
2427 {
2428         uint32_t i;
2429
2430         for (i = 0; i != RTE_DIM(rte_crypto_fp_ops); i++)
2431                 cryptodev_fp_ops_reset(rte_crypto_fp_ops + i);
2432 }