lib/librte_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 #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 #include "rte_cryptodev_trace.h"
  44
  45 static uint8_t nb_drivers;
  46
  47 static struct rte_cryptodev rte_crypto_devices[RTE_CRYPTO_MAX_DEVS];
  48
  49 struct rte_cryptodev *rte_cryptodevs = rte_crypto_devices;
  50
  51 static struct rte_cryptodev_global cryptodev_globals = {
  52                 .devs                   = rte_crypto_devices,
  53                 .data                   = { NULL },
  54                 .nb_devs                = 0
  55 };
  56
  57 /* spinlock for crypto device callbacks */
  58 static rte_spinlock_t rte_cryptodev_cb_lock = RTE_SPINLOCK_INITIALIZER;
  59
  60 /**
  61  * The user application callback description.
  62  *
  63  * It contains callback address to be registered by user application,
  64  * the pointer to the parameters for callback, and the event type.
  65  */
  66 struct rte_cryptodev_callback {
  67         TAILQ_ENTRY(rte_cryptodev_callback) next; /**< Callbacks list */
  68         rte_cryptodev_cb_fn cb_fn;              /**< Callback address */
  69         void *cb_arg;                           /**< Parameter for callback */
  70         enum rte_cryptodev_event_type event;    /**< Interrupt event type */
  71         uint32_t active;                        /**< Callback is executing */
  72 };
  73
  74 /**
  75  * The crypto cipher algorithm strings identifiers.
  76  * It could be used in application command line.
  77  */
  78 const char *
  79 rte_crypto_cipher_algorithm_strings[] = {
  80         [RTE_CRYPTO_CIPHER_3DES_CBC]    = "3des-cbc",
  81         [RTE_CRYPTO_CIPHER_3DES_ECB]    = "3des-ecb",
  82         [RTE_CRYPTO_CIPHER_3DES_CTR]    = "3des-ctr",
  83
  84         [RTE_CRYPTO_CIPHER_AES_CBC]     = "aes-cbc",
  85         [RTE_CRYPTO_CIPHER_AES_CTR]     = "aes-ctr",
  86         [RTE_CRYPTO_CIPHER_AES_DOCSISBPI]       = "aes-docsisbpi",
  87         [RTE_CRYPTO_CIPHER_AES_ECB]     = "aes-ecb",
  88         [RTE_CRYPTO_CIPHER_AES_F8]      = "aes-f8",
  89         [RTE_CRYPTO_CIPHER_AES_XTS]     = "aes-xts",
  90
  91         [RTE_CRYPTO_CIPHER_ARC4]        = "arc4",
  92
  93         [RTE_CRYPTO_CIPHER_DES_CBC]     = "des-cbc",
  94         [RTE_CRYPTO_CIPHER_DES_DOCSISBPI]       = "des-docsisbpi",
  95
  96         [RTE_CRYPTO_CIPHER_NULL]        = "null",
  97
  98         [RTE_CRYPTO_CIPHER_KASUMI_F8]   = "kasumi-f8",
  99         [RTE_CRYPTO_CIPHER_SNOW3G_UEA2] = "snow3g-uea2",
 100         [RTE_CRYPTO_CIPHER_ZUC_EEA3]    = "zuc-eea3"
 101 };
 102
 103 /**
 104  * The crypto cipher operation strings identifiers.
 105  * It could be used in application command line.
 106  */
 107 const char *
 108 rte_crypto_cipher_operation_strings[] = {
 109                 [RTE_CRYPTO_CIPHER_OP_ENCRYPT]  = "encrypt",
 110                 [RTE_CRYPTO_CIPHER_OP_DECRYPT]  = "decrypt"
 111 };
 112
 113 /**
 114  * The crypto auth algorithm strings identifiers.
 115  * It could be used in application command line.
 116  */
 117 const char *
 118 rte_crypto_auth_algorithm_strings[] = {
 119         [RTE_CRYPTO_AUTH_AES_CBC_MAC]   = "aes-cbc-mac",
 120         [RTE_CRYPTO_AUTH_AES_CMAC]      = "aes-cmac",
 121         [RTE_CRYPTO_AUTH_AES_GMAC]      = "aes-gmac",
 122         [RTE_CRYPTO_AUTH_AES_XCBC_MAC]  = "aes-xcbc-mac",
 123
 124         [RTE_CRYPTO_AUTH_MD5]           = "md5",
 125         [RTE_CRYPTO_AUTH_MD5_HMAC]      = "md5-hmac",
 126
 127         [RTE_CRYPTO_AUTH_NULL]          = "null",
 128
 129         [RTE_CRYPTO_AUTH_SHA1]          = "sha1",
 130         [RTE_CRYPTO_AUTH_SHA1_HMAC]     = "sha1-hmac",
 131
 132         [RTE_CRYPTO_AUTH_SHA224]        = "sha2-224",
 133         [RTE_CRYPTO_AUTH_SHA224_HMAC]   = "sha2-224-hmac",
 134         [RTE_CRYPTO_AUTH_SHA256]        = "sha2-256",
 135         [RTE_CRYPTO_AUTH_SHA256_HMAC]   = "sha2-256-hmac",
 136         [RTE_CRYPTO_AUTH_SHA384]        = "sha2-384",
 137         [RTE_CRYPTO_AUTH_SHA384_HMAC]   = "sha2-384-hmac",
 138         [RTE_CRYPTO_AUTH_SHA512]        = "sha2-512",
 139         [RTE_CRYPTO_AUTH_SHA512_HMAC]   = "sha2-512-hmac",
 140
 141         [RTE_CRYPTO_AUTH_KASUMI_F9]     = "kasumi-f9",
 142         [RTE_CRYPTO_AUTH_SNOW3G_UIA2]   = "snow3g-uia2",
 143         [RTE_CRYPTO_AUTH_ZUC_EIA3]      = "zuc-eia3"
 144 };
 145
 146 /**
 147  * The crypto AEAD algorithm strings identifiers.
 148  * It could be used in application command line.
 149  */
 150 const char *
 151 rte_crypto_aead_algorithm_strings[] = {
 152         [RTE_CRYPTO_AEAD_AES_CCM]       = "aes-ccm",
 153         [RTE_CRYPTO_AEAD_AES_GCM]       = "aes-gcm",
 154         [RTE_CRYPTO_AEAD_CHACHA20_POLY1305] = "chacha20-poly1305"
 155 };
 156
 157 /**
 158  * The crypto AEAD operation strings identifiers.
 159  * It could be used in application command line.
 160  */
 161 const char *
 162 rte_crypto_aead_operation_strings[] = {
 163         [RTE_CRYPTO_AEAD_OP_ENCRYPT]    = "encrypt",
 164         [RTE_CRYPTO_AEAD_OP_DECRYPT]    = "decrypt"
 165 };
 166
 167 /**
 168  * Asymmetric crypto transform operation strings identifiers.
 169  */
 170 const char *rte_crypto_asym_xform_strings[] = {
 171         [RTE_CRYPTO_ASYM_XFORM_NONE]    = "none",
 172         [RTE_CRYPTO_ASYM_XFORM_RSA]     = "rsa",
 173         [RTE_CRYPTO_ASYM_XFORM_MODEX]   = "modexp",
 174         [RTE_CRYPTO_ASYM_XFORM_MODINV]  = "modinv",
 175         [RTE_CRYPTO_ASYM_XFORM_DH]      = "dh",
 176         [RTE_CRYPTO_ASYM_XFORM_DSA]     = "dsa",
 177         [RTE_CRYPTO_ASYM_XFORM_ECDSA]   = "ecdsa",
 178         [RTE_CRYPTO_ASYM_XFORM_ECPM]    = "ecpm",
 179 };
 180
 181 /**
 182  * Asymmetric crypto operation strings identifiers.
 183  */
 184 const char *rte_crypto_asym_op_strings[] = {
 185         [RTE_CRYPTO_ASYM_OP_ENCRYPT]    = "encrypt",
 186         [RTE_CRYPTO_ASYM_OP_DECRYPT]    = "decrypt",
 187         [RTE_CRYPTO_ASYM_OP_SIGN]       = "sign",
 188         [RTE_CRYPTO_ASYM_OP_VERIFY]     = "verify",
 189         [RTE_CRYPTO_ASYM_OP_PRIVATE_KEY_GENERATE]       = "priv_key_generate",
 190         [RTE_CRYPTO_ASYM_OP_PUBLIC_KEY_GENERATE] = "pub_key_generate",
 191         [RTE_CRYPTO_ASYM_OP_SHARED_SECRET_COMPUTE] = "sharedsecret_compute",
 192 };
 193
 194 /**
 195  * The private data structure stored in the session mempool private data.
 196  */
 197 struct rte_cryptodev_sym_session_pool_private_data {
 198         uint16_t nb_drivers;
 199         /**< number of elements in sess_data array */
 200         uint16_t user_data_sz;
 201         /**< session user data will be placed after sess_data */
 202 };
 203
 204 int
 205 rte_cryptodev_get_cipher_algo_enum(enum rte_crypto_cipher_algorithm *algo_enum,
 206                 const char *algo_string)
 207 {
 208         unsigned int i;
 209
 210         for (i = 1; i < RTE_DIM(rte_crypto_cipher_algorithm_strings); i++) {
 211                 if (strcmp(algo_string, rte_crypto_cipher_algorithm_strings[i]) == 0) {
 212                         *algo_enum = (enum rte_crypto_cipher_algorithm) i;
 213                         return 0;
 214                 }
 215         }
 216
 217         /* Invalid string */
 218         return -1;
 219 }
 220
 221 int
 222 rte_cryptodev_get_auth_algo_enum(enum rte_crypto_auth_algorithm *algo_enum,
 223                 const char *algo_string)
 224 {
 225         unsigned int i;
 226
 227         for (i = 1; i < RTE_DIM(rte_crypto_auth_algorithm_strings); i++) {
 228                 if (strcmp(algo_string, rte_crypto_auth_algorithm_strings[i]) == 0) {
 229                         *algo_enum = (enum rte_crypto_auth_algorithm) i;
 230                         return 0;
 231                 }
 232         }
 233
 234         /* Invalid string */
 235         return -1;
 236 }
 237
 238 int
 239 rte_cryptodev_get_aead_algo_enum(enum rte_crypto_aead_algorithm *algo_enum,
 240                 const char *algo_string)
 241 {
 242         unsigned int i;
 243
 244         for (i = 1; i < RTE_DIM(rte_crypto_aead_algorithm_strings); i++) {
 245                 if (strcmp(algo_string, rte_crypto_aead_algorithm_strings[i]) == 0) {
 246                         *algo_enum = (enum rte_crypto_aead_algorithm) i;
 247                         return 0;
 248                 }
 249         }
 250
 251         /* Invalid string */
 252         return -1;
 253 }
 254
 255 int
 256 rte_cryptodev_asym_get_xform_enum(enum rte_crypto_asym_xform_type *xform_enum,
 257                 const char *xform_string)
 258 {
 259         unsigned int i;
 260
 261         for (i = 1; i < RTE_DIM(rte_crypto_asym_xform_strings); i++) {
 262                 if (strcmp(xform_string,
 263                         rte_crypto_asym_xform_strings[i]) == 0) {
 264                         *xform_enum = (enum rte_crypto_asym_xform_type) i;
 265                         return 0;
 266                 }
 267         }
 268
 269         /* Invalid string */
 270         return -1;
 271 }
 272
 273 /**
 274  * The crypto auth operation strings identifiers.
 275  * It could be used in application command line.
 276  */
 277 const char *
 278 rte_crypto_auth_operation_strings[] = {
 279                 [RTE_CRYPTO_AUTH_OP_VERIFY]     = "verify",
 280                 [RTE_CRYPTO_AUTH_OP_GENERATE]   = "generate"
 281 };
 282
 283 const struct rte_cryptodev_symmetric_capability *
 284 rte_cryptodev_sym_capability_get(uint8_t dev_id,
 285                 const struct rte_cryptodev_sym_capability_idx *idx)
 286 {
 287         const struct rte_cryptodev_capabilities *capability;
 288         struct rte_cryptodev_info dev_info;
 289         int i = 0;
 290
 291         rte_cryptodev_info_get(dev_id, &dev_info);
 292
 293         while ((capability = &dev_info.capabilities[i++])->op !=
 294                         RTE_CRYPTO_OP_TYPE_UNDEFINED) {
 295                 if (capability->op != RTE_CRYPTO_OP_TYPE_SYMMETRIC)
 296                         continue;
 297
 298                 if (capability->sym.xform_type != idx->type)
 299                         continue;
 300
 301                 if (idx->type == RTE_CRYPTO_SYM_XFORM_AUTH &&
 302                         capability->sym.auth.algo == idx->algo.auth)
 303                         return &capability->sym;
 304
 305                 if (idx->type == RTE_CRYPTO_SYM_XFORM_CIPHER &&
 306                         capability->sym.cipher.algo == idx->algo.cipher)
 307                         return &capability->sym;
 308
 309                 if (idx->type == RTE_CRYPTO_SYM_XFORM_AEAD &&
 310                                 capability->sym.aead.algo == idx->algo.aead)
 311                         return &capability->sym;
 312         }
 313
 314         return NULL;
 315 }
 316
 317 static int
 318 param_range_check(uint16_t size, const struct rte_crypto_param_range *range)
 319 {
 320         unsigned int next_size;
 321
 322         /* Check lower/upper bounds */
 323         if (size < range->min)
 324                 return -1;
 325
 326         if (size > range->max)
 327                 return -1;
 328
 329         /* If range is actually only one value, size is correct */
 330         if (range->increment == 0)
 331                 return 0;
 332
 333         /* Check if value is one of the supported sizes */
 334         for (next_size = range->min; next_size <= range->max;
 335                         next_size += range->increment)
 336                 if (size == next_size)
 337                         return 0;
 338
 339         return -1;
 340 }
 341
 342 const struct rte_cryptodev_asymmetric_xform_capability *
 343 rte_cryptodev_asym_capability_get(uint8_t dev_id,
 344                 const struct rte_cryptodev_asym_capability_idx *idx)
 345 {
 346         const struct rte_cryptodev_capabilities *capability;
 347         struct rte_cryptodev_info dev_info;
 348         unsigned int i = 0;
 349
 350         memset(&dev_info, 0, sizeof(struct rte_cryptodev_info));
 351         rte_cryptodev_info_get(dev_id, &dev_info);
 352
 353         while ((capability = &dev_info.capabilities[i++])->op !=
 354                         RTE_CRYPTO_OP_TYPE_UNDEFINED) {
 355                 if (capability->op != RTE_CRYPTO_OP_TYPE_ASYMMETRIC)
 356                         continue;
 357
 358                 if (capability->asym.xform_capa.xform_type == idx->type)
 359                         return &capability->asym.xform_capa;
 360         }
 361         return NULL;
 362 };
 363
 364 int
 365 rte_cryptodev_sym_capability_check_cipher(
 366                 const struct rte_cryptodev_symmetric_capability *capability,
 367                 uint16_t key_size, uint16_t iv_size)
 368 {
 369         if (param_range_check(key_size, &capability->cipher.key_size) != 0)
 370                 return -1;
 371
 372         if (param_range_check(iv_size, &capability->cipher.iv_size) != 0)
 373                 return -1;
 374
 375         return 0;
 376 }
 377
 378 int
 379 rte_cryptodev_sym_capability_check_auth(
 380                 const struct rte_cryptodev_symmetric_capability *capability,
 381                 uint16_t key_size, uint16_t digest_size, uint16_t iv_size)
 382 {
 383         if (param_range_check(key_size, &capability->auth.key_size) != 0)
 384                 return -1;
 385
 386         if (param_range_check(digest_size, &capability->auth.digest_size) != 0)
 387                 return -1;
 388
 389         if (param_range_check(iv_size, &capability->auth.iv_size) != 0)
 390                 return -1;
 391
 392         return 0;
 393 }
 394
 395 int
 396 rte_cryptodev_sym_capability_check_aead(
 397                 const struct rte_cryptodev_symmetric_capability *capability,
 398                 uint16_t key_size, uint16_t digest_size, uint16_t aad_size,
 399                 uint16_t iv_size)
 400 {
 401         if (param_range_check(key_size, &capability->aead.key_size) != 0)
 402                 return -1;
 403
 404         if (param_range_check(digest_size, &capability->aead.digest_size) != 0)
 405                 return -1;
 406
 407         if (param_range_check(aad_size, &capability->aead.aad_size) != 0)
 408                 return -1;
 409
 410         if (param_range_check(iv_size, &capability->aead.iv_size) != 0)
 411                 return -1;
 412
 413         return 0;
 414 }
 415 int
 416 rte_cryptodev_asym_xform_capability_check_optype(
 417         const struct rte_cryptodev_asymmetric_xform_capability *capability,
 418         enum rte_crypto_asym_op_type op_type)
 419 {
 420         if (capability->op_types & (1 << op_type))
 421                 return 1;
 422
 423         return 0;
 424 }
 425
 426 int
 427 rte_cryptodev_asym_xform_capability_check_modlen(
 428         const struct rte_cryptodev_asymmetric_xform_capability *capability,
 429         uint16_t modlen)
 430 {
 431         /* no need to check for limits, if min or max = 0 */
 432         if (capability->modlen.min != 0) {
 433                 if (modlen < capability->modlen.min)
 434                         return -1;
 435         }
 436
 437         if (capability->modlen.max != 0) {
 438                 if (modlen > capability->modlen.max)
 439                         return -1;
 440         }
 441
 442         /* in any case, check if given modlen is module increment */
 443         if (capability->modlen.increment != 0) {
 444                 if (modlen % (capability->modlen.increment))
 445                         return -1;
 446         }
 447
 448         return 0;
 449 }
 450
 451 /* spinlock for crypto device enq callbacks */
 452 static rte_spinlock_t rte_cryptodev_callback_lock = RTE_SPINLOCK_INITIALIZER;
 453
 454 static void
 455 cryptodev_cb_cleanup(struct rte_cryptodev *dev)
 456 {
 457         struct rte_cryptodev_cb_rcu *list;
 458         struct rte_cryptodev_cb *cb, *next;
 459         uint16_t qp_id;
 460
 461         if (dev->enq_cbs == NULL && dev->deq_cbs == NULL)
 462                 return;
 463
 464         for (qp_id = 0; qp_id < dev->data->nb_queue_pairs; qp_id++) {
 465                 list = &dev->enq_cbs[qp_id];
 466                 cb = list->next;
 467                 while (cb != NULL) {
 468                         next = cb->next;
 469                         rte_free(cb);
 470                         cb = next;
 471                 }
 472
 473                 rte_free(list->qsbr);
 474         }
 475
 476         for (qp_id = 0; qp_id < dev->data->nb_queue_pairs; qp_id++) {
 477                 list = &dev->deq_cbs[qp_id];
 478                 cb = list->next;
 479                 while (cb != NULL) {
 480                         next = cb->next;
 481                         rte_free(cb);
 482                         cb = next;
 483                 }
 484
 485                 rte_free(list->qsbr);
 486         }
 487
 488         rte_free(dev->enq_cbs);
 489         dev->enq_cbs = NULL;
 490         rte_free(dev->deq_cbs);
 491         dev->deq_cbs = NULL;
 492 }
 493
 494 static int
 495 cryptodev_cb_init(struct rte_cryptodev *dev)
 496 {
 497         struct rte_cryptodev_cb_rcu *list;
 498         struct rte_rcu_qsbr *qsbr;
 499         uint16_t qp_id;
 500         size_t size;
 501
 502         /* Max thread set to 1, as one DP thread accessing a queue-pair */
 503         const uint32_t max_threads = 1;
 504
 505         dev->enq_cbs = rte_zmalloc(NULL,
 506                                    sizeof(struct rte_cryptodev_cb_rcu) *
 507                                    dev->data->nb_queue_pairs, 0);
 508         if (dev->enq_cbs == NULL) {
 509                 CDEV_LOG_ERR("Failed to allocate memory for enq callbacks");
 510                 return -ENOMEM;
 511         }
 512
 513         dev->deq_cbs = rte_zmalloc(NULL,
 514                                    sizeof(struct rte_cryptodev_cb_rcu) *
 515                                    dev->data->nb_queue_pairs, 0);
 516         if (dev->deq_cbs == NULL) {
 517                 CDEV_LOG_ERR("Failed to allocate memory for deq callbacks");
 518                 rte_free(dev->enq_cbs);
 519                 return -ENOMEM;
 520         }
 521
 522         /* Create RCU QSBR variable */
 523         size = rte_rcu_qsbr_get_memsize(max_threads);
 524
 525         for (qp_id = 0; qp_id < dev->data->nb_queue_pairs; qp_id++) {
 526                 list = &dev->enq_cbs[qp_id];
 527                 qsbr = rte_zmalloc(NULL, size, RTE_CACHE_LINE_SIZE);
 528                 if (qsbr == NULL) {
 529                         CDEV_LOG_ERR("Failed to allocate memory for RCU on "
 530                                 "queue_pair_id=%d", qp_id);
 531                         goto cb_init_err;
 532                 }
 533
 534                 if (rte_rcu_qsbr_init(qsbr, max_threads)) {
 535                         CDEV_LOG_ERR("Failed to initialize for RCU on "
 536                                 "queue_pair_id=%d", qp_id);
 537                         goto cb_init_err;
 538                 }
 539
 540                 list->qsbr = qsbr;
 541         }
 542
 543         for (qp_id = 0; qp_id < dev->data->nb_queue_pairs; qp_id++) {
 544                 list = &dev->deq_cbs[qp_id];
 545                 qsbr = rte_zmalloc(NULL, size, RTE_CACHE_LINE_SIZE);
 546                 if (qsbr == NULL) {
 547                         CDEV_LOG_ERR("Failed to allocate memory for RCU on "
 548                                 "queue_pair_id=%d", qp_id);
 549                         goto cb_init_err;
 550                 }
 551
 552                 if (rte_rcu_qsbr_init(qsbr, max_threads)) {
 553                         CDEV_LOG_ERR("Failed to initialize for RCU on "
 554                                 "queue_pair_id=%d", qp_id);
 555                         goto cb_init_err;
 556                 }
 557
 558                 list->qsbr = qsbr;
 559         }
 560
 561         return 0;
 562
 563 cb_init_err:
 564         cryptodev_cb_cleanup(dev);
 565         return -ENOMEM;
 566 }
 567
 568 const char *
 569 rte_cryptodev_get_feature_name(uint64_t flag)
 570 {
 571         switch (flag) {
 572         case RTE_CRYPTODEV_FF_SYMMETRIC_CRYPTO:
 573                 return "SYMMETRIC_CRYPTO";
 574         case RTE_CRYPTODEV_FF_ASYMMETRIC_CRYPTO:
 575                 return "ASYMMETRIC_CRYPTO";
 576         case RTE_CRYPTODEV_FF_SYM_OPERATION_CHAINING:
 577                 return "SYM_OPERATION_CHAINING";
 578         case RTE_CRYPTODEV_FF_CPU_SSE:
 579                 return "CPU_SSE";
 580         case RTE_CRYPTODEV_FF_CPU_AVX:
 581                 return "CPU_AVX";
 582         case RTE_CRYPTODEV_FF_CPU_AVX2:
 583                 return "CPU_AVX2";
 584         case RTE_CRYPTODEV_FF_CPU_AVX512:
 585                 return "CPU_AVX512";
 586         case RTE_CRYPTODEV_FF_CPU_AESNI:
 587                 return "CPU_AESNI";
 588         case RTE_CRYPTODEV_FF_HW_ACCELERATED:
 589                 return "HW_ACCELERATED";
 590         case RTE_CRYPTODEV_FF_IN_PLACE_SGL:
 591                 return "IN_PLACE_SGL";
 592         case RTE_CRYPTODEV_FF_OOP_SGL_IN_SGL_OUT:
 593                 return "OOP_SGL_IN_SGL_OUT";
 594         case RTE_CRYPTODEV_FF_OOP_SGL_IN_LB_OUT:
 595                 return "OOP_SGL_IN_LB_OUT";
 596         case RTE_CRYPTODEV_FF_OOP_LB_IN_SGL_OUT:
 597                 return "OOP_LB_IN_SGL_OUT";
 598         case RTE_CRYPTODEV_FF_OOP_LB_IN_LB_OUT:
 599                 return "OOP_LB_IN_LB_OUT";
 600         case RTE_CRYPTODEV_FF_CPU_NEON:
 601                 return "CPU_NEON";
 602         case RTE_CRYPTODEV_FF_CPU_ARM_CE:
 603                 return "CPU_ARM_CE";
 604         case RTE_CRYPTODEV_FF_SECURITY:
 605                 return "SECURITY_PROTOCOL";
 606         case RTE_CRYPTODEV_FF_RSA_PRIV_OP_KEY_EXP:
 607                 return "RSA_PRIV_OP_KEY_EXP";
 608         case RTE_CRYPTODEV_FF_RSA_PRIV_OP_KEY_QT:
 609                 return "RSA_PRIV_OP_KEY_QT";
 610         case RTE_CRYPTODEV_FF_DIGEST_ENCRYPTED:
 611                 return "DIGEST_ENCRYPTED";
 612         case RTE_CRYPTODEV_FF_SYM_CPU_CRYPTO:
 613                 return "SYM_CPU_CRYPTO";
 614         case RTE_CRYPTODEV_FF_ASYM_SESSIONLESS:
 615                 return "ASYM_SESSIONLESS";
 616         case RTE_CRYPTODEV_FF_SYM_SESSIONLESS:
 617                 return "SYM_SESSIONLESS";
 618         case RTE_CRYPTODEV_FF_NON_BYTE_ALIGNED_DATA:
 619                 return "NON_BYTE_ALIGNED_DATA";
 620         default:
 621                 return NULL;
 622         }
 623 }
 624
 625 struct rte_cryptodev *
 626 rte_cryptodev_pmd_get_dev(uint8_t dev_id)
 627 {
 628         return &cryptodev_globals.devs[dev_id];
 629 }
 630
 631 struct rte_cryptodev *
 632 rte_cryptodev_pmd_get_named_dev(const char *name)
 633 {
 634         struct rte_cryptodev *dev;
 635         unsigned int i;
 636
 637         if (name == NULL)
 638                 return NULL;
 639
 640         for (i = 0; i < RTE_CRYPTO_MAX_DEVS; i++) {
 641                 dev = &cryptodev_globals.devs[i];
 642
 643                 if ((dev->attached == RTE_CRYPTODEV_ATTACHED) &&
 644                                 (strcmp(dev->data->name, name) == 0))
 645                         return dev;
 646         }
 647
 648         return NULL;
 649 }
 650
 651 static inline uint8_t
 652 rte_cryptodev_is_valid_device_data(uint8_t dev_id)
 653 {
 654         if (dev_id >= RTE_CRYPTO_MAX_DEVS ||
 655                         rte_crypto_devices[dev_id].data == NULL)
 656                 return 0;
 657
 658         return 1;
 659 }
 660
 661 unsigned int
 662 rte_cryptodev_pmd_is_valid_dev(uint8_t dev_id)
 663 {
 664         struct rte_cryptodev *dev = NULL;
 665
 666         if (!rte_cryptodev_is_valid_device_data(dev_id))
 667                 return 0;
 668
 669         dev = rte_cryptodev_pmd_get_dev(dev_id);
 670         if (dev->attached != RTE_CRYPTODEV_ATTACHED)
 671                 return 0;
 672         else
 673                 return 1;
 674 }
 675
 676
 677 int
 678 rte_cryptodev_get_dev_id(const char *name)
 679 {
 680         unsigned i;
 681
 682         if (name == NULL)
 683                 return -1;
 684
 685         for (i = 0; i < RTE_CRYPTO_MAX_DEVS; i++) {
 686                 if (!rte_cryptodev_is_valid_device_data(i))
 687                         continue;
 688                 if ((strcmp(cryptodev_globals.devs[i].data->name, name)
 689                                 == 0) &&
 690                                 (cryptodev_globals.devs[i].attached ==
 691                                                 RTE_CRYPTODEV_ATTACHED))
 692                         return i;
 693         }
 694
 695         return -1;
 696 }
 697
 698 uint8_t
 699 rte_cryptodev_count(void)
 700 {
 701         return cryptodev_globals.nb_devs;
 702 }
 703
 704 uint8_t
 705 rte_cryptodev_device_count_by_driver(uint8_t driver_id)
 706 {
 707         uint8_t i, dev_count = 0;
 708
 709         for (i = 0; i < RTE_CRYPTO_MAX_DEVS; i++)
 710                 if (cryptodev_globals.devs[i].driver_id == driver_id &&
 711                         cryptodev_globals.devs[i].attached ==
 712                                         RTE_CRYPTODEV_ATTACHED)
 713                         dev_count++;
 714
 715         return dev_count;
 716 }
 717
 718 uint8_t
 719 rte_cryptodev_devices_get(const char *driver_name, uint8_t *devices,
 720         uint8_t nb_devices)
 721 {
 722         uint8_t i, count = 0;
 723         struct rte_cryptodev *devs = cryptodev_globals.devs;
 724
 725         for (i = 0; i < RTE_CRYPTO_MAX_DEVS && count < nb_devices; i++) {
 726                 if (!rte_cryptodev_is_valid_device_data(i))
 727                         continue;
 728
 729                 if (devs[i].attached == RTE_CRYPTODEV_ATTACHED) {
 730                         int cmp;
 731
 732                         cmp = strncmp(devs[i].device->driver->name,
 733                                         driver_name,
 734                                         strlen(driver_name) + 1);
 735
 736                         if (cmp == 0)
 737                                 devices[count++] = devs[i].data->dev_id;
 738                 }
 739         }
 740
 741         return count;
 742 }
 743
 744 void *
 745 rte_cryptodev_get_sec_ctx(uint8_t dev_id)
 746 {
 747         if (dev_id < RTE_CRYPTO_MAX_DEVS &&
 748                         (rte_crypto_devices[dev_id].feature_flags &
 749                         RTE_CRYPTODEV_FF_SECURITY))
 750                 return rte_crypto_devices[dev_id].security_ctx;
 751
 752         return NULL;
 753 }
 754
 755 int
 756 rte_cryptodev_socket_id(uint8_t dev_id)
 757 {
 758         struct rte_cryptodev *dev;
 759
 760         if (!rte_cryptodev_pmd_is_valid_dev(dev_id))
 761                 return -1;
 762
 763         dev = rte_cryptodev_pmd_get_dev(dev_id);
 764
 765         return dev->data->socket_id;
 766 }
 767
 768 static inline int
 769 rte_cryptodev_data_alloc(uint8_t dev_id, struct rte_cryptodev_data **data,
 770                 int socket_id)
 771 {
 772         char mz_name[RTE_MEMZONE_NAMESIZE];
 773         const struct rte_memzone *mz;
 774         int n;
 775
 776         /* generate memzone name */
 777         n = snprintf(mz_name, sizeof(mz_name), "rte_cryptodev_data_%u", dev_id);
 778         if (n >= (int)sizeof(mz_name))
 779                 return -EINVAL;
 780
 781         if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
 782                 mz = rte_memzone_reserve(mz_name,
 783                                 sizeof(struct rte_cryptodev_data),
 784                                 socket_id, 0);
 785                 CDEV_LOG_DEBUG("PRIMARY:reserved memzone for %s (%p)",
 786                                 mz_name, mz);
 787         } else {
 788                 mz = rte_memzone_lookup(mz_name);
 789                 CDEV_LOG_DEBUG("SECONDARY:looked up memzone for %s (%p)",
 790                                 mz_name, mz);
 791         }
 792
 793         if (mz == NULL)
 794                 return -ENOMEM;
 795
 796         *data = mz->addr;
 797         if (rte_eal_process_type() == RTE_PROC_PRIMARY)
 798                 memset(*data, 0, sizeof(struct rte_cryptodev_data));
 799
 800         return 0;
 801 }
 802
 803 static inline int
 804 rte_cryptodev_data_free(uint8_t dev_id, struct rte_cryptodev_data **data)
 805 {
 806         char mz_name[RTE_MEMZONE_NAMESIZE];
 807         const struct rte_memzone *mz;
 808         int n;
 809
 810         /* generate memzone name */
 811         n = snprintf(mz_name, sizeof(mz_name), "rte_cryptodev_data_%u", dev_id);
 812         if (n >= (int)sizeof(mz_name))
 813                 return -EINVAL;
 814
 815         mz = rte_memzone_lookup(mz_name);
 816         if (mz == NULL)
 817                 return -ENOMEM;
 818
 819         RTE_ASSERT(*data == mz->addr);
 820         *data = NULL;
 821
 822         if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
 823                 CDEV_LOG_DEBUG("PRIMARY:free memzone of %s (%p)",
 824                                 mz_name, mz);
 825                 return rte_memzone_free(mz);
 826         } else {
 827                 CDEV_LOG_DEBUG("SECONDARY:don't free memzone of %s (%p)",
 828                                 mz_name, mz);
 829         }
 830
 831         return 0;
 832 }
 833
 834 static uint8_t
 835 rte_cryptodev_find_free_device_index(void)
 836 {
 837         uint8_t dev_id;
 838
 839         for (dev_id = 0; dev_id < RTE_CRYPTO_MAX_DEVS; dev_id++) {
 840                 if (rte_crypto_devices[dev_id].attached ==
 841                                 RTE_CRYPTODEV_DETACHED)
 842                         return dev_id;
 843         }
 844         return RTE_CRYPTO_MAX_DEVS;
 845 }
 846
 847 struct rte_cryptodev *
 848 rte_cryptodev_pmd_allocate(const char *name, int socket_id)
 849 {
 850         struct rte_cryptodev *cryptodev;
 851         uint8_t dev_id;
 852
 853         if (rte_cryptodev_pmd_get_named_dev(name) != NULL) {
 854                 CDEV_LOG_ERR("Crypto device with name %s already "
 855                                 "allocated!", name);
 856                 return NULL;
 857         }
 858
 859         dev_id = rte_cryptodev_find_free_device_index();
 860         if (dev_id == RTE_CRYPTO_MAX_DEVS) {
 861                 CDEV_LOG_ERR("Reached maximum number of crypto devices");
 862                 return NULL;
 863         }
 864
 865         cryptodev = rte_cryptodev_pmd_get_dev(dev_id);
 866
 867         if (cryptodev->data == NULL) {
 868                 struct rte_cryptodev_data **cryptodev_data =
 869                                 &cryptodev_globals.data[dev_id];
 870
 871                 int retval = rte_cryptodev_data_alloc(dev_id, cryptodev_data,
 872                                 socket_id);
 873
 874                 if (retval < 0 || *cryptodev_data == NULL)
 875                         return NULL;
 876
 877                 cryptodev->data = *cryptodev_data;
 878
 879                 if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
 880                         strlcpy(cryptodev->data->name, name,
 881                                 RTE_CRYPTODEV_NAME_MAX_LEN);
 882
 883                         cryptodev->data->dev_id = dev_id;
 884                         cryptodev->data->socket_id = socket_id;
 885                         cryptodev->data->dev_started = 0;
 886                         CDEV_LOG_DEBUG("PRIMARY:init data");
 887                 }
 888
 889                 CDEV_LOG_DEBUG("Data for %s: dev_id %d, socket %d, started %d",
 890                                 cryptodev->data->name,
 891                                 cryptodev->data->dev_id,
 892                                 cryptodev->data->socket_id,
 893                                 cryptodev->data->dev_started);
 894
 895                 /* init user callbacks */
 896                 TAILQ_INIT(&(cryptodev->link_intr_cbs));
 897
 898                 cryptodev->attached = RTE_CRYPTODEV_ATTACHED;
 899
 900                 cryptodev_globals.nb_devs++;
 901         }
 902
 903         return cryptodev;
 904 }
 905
 906 int
 907 rte_cryptodev_pmd_release_device(struct rte_cryptodev *cryptodev)
 908 {
 909         int ret;
 910         uint8_t dev_id;
 911
 912         if (cryptodev == NULL)
 913                 return -EINVAL;
 914
 915         dev_id = cryptodev->data->dev_id;
 916
 917         /* Close device only if device operations have been set */
 918         if (cryptodev->dev_ops) {
 919                 ret = rte_cryptodev_close(dev_id);
 920                 if (ret < 0)
 921                         return ret;
 922         }
 923
 924         ret = rte_cryptodev_data_free(dev_id, &cryptodev_globals.data[dev_id]);
 925         if (ret < 0)
 926                 return ret;
 927
 928         cryptodev->attached = RTE_CRYPTODEV_DETACHED;
 929         cryptodev_globals.nb_devs--;
 930         return 0;
 931 }
 932
 933 uint16_t
 934 rte_cryptodev_queue_pair_count(uint8_t dev_id)
 935 {
 936         struct rte_cryptodev *dev;
 937
 938         if (!rte_cryptodev_is_valid_device_data(dev_id)) {
 939                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
 940                 return 0;
 941         }
 942
 943         dev = &rte_crypto_devices[dev_id];
 944         return dev->data->nb_queue_pairs;
 945 }
 946
 947 static int
 948 rte_cryptodev_queue_pairs_config(struct rte_cryptodev *dev, uint16_t nb_qpairs,
 949                 int socket_id)
 950 {
 951         struct rte_cryptodev_info dev_info;
 952         void **qp;
 953         unsigned i;
 954
 955         if ((dev == NULL) || (nb_qpairs < 1)) {
 956                 CDEV_LOG_ERR("invalid param: dev %p, nb_queues %u",
 957                                                         dev, nb_qpairs);
 958                 return -EINVAL;
 959         }
 960
 961         CDEV_LOG_DEBUG("Setup %d queues pairs on device %u",
 962                         nb_qpairs, dev->data->dev_id);
 963
 964         memset(&dev_info, 0, sizeof(struct rte_cryptodev_info));
 965
 966         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_infos_get, -ENOTSUP);
 967         (*dev->dev_ops->dev_infos_get)(dev, &dev_info);
 968
 969         if (nb_qpairs > (dev_info.max_nb_queue_pairs)) {
 970                 CDEV_LOG_ERR("Invalid num queue_pairs (%u) for dev %u",
 971                                 nb_qpairs, dev->data->dev_id);
 972             return -EINVAL;
 973         }
 974
 975         if (dev->data->queue_pairs == NULL) { /* first time configuration */
 976                 dev->data->queue_pairs = rte_zmalloc_socket(
 977                                 "cryptodev->queue_pairs",
 978                                 sizeof(dev->data->queue_pairs[0]) * nb_qpairs,
 979                                 RTE_CACHE_LINE_SIZE, socket_id);
 980
 981                 if (dev->data->queue_pairs == NULL) {
 982                         dev->data->nb_queue_pairs = 0;
 983                         CDEV_LOG_ERR("failed to get memory for qp meta data, "
 984                                                         "nb_queues %u",
 985                                                         nb_qpairs);
 986                         return -(ENOMEM);
 987                 }
 988         } else { /* re-configure */
 989                 int ret;
 990                 uint16_t old_nb_queues = dev->data->nb_queue_pairs;
 991
 992                 qp = dev->data->queue_pairs;
 993
 994                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->queue_pair_release,
 995                                 -ENOTSUP);
 996
 997                 for (i = nb_qpairs; i < old_nb_queues; i++) {
 998                         ret = (*dev->dev_ops->queue_pair_release)(dev, i);
 999                         if (ret < 0)
1000                                 return ret;
1001                 }
1002
1003                 qp = rte_realloc(qp, sizeof(qp[0]) * nb_qpairs,
1004                                 RTE_CACHE_LINE_SIZE);
1005                 if (qp == NULL) {
1006                         CDEV_LOG_ERR("failed to realloc qp meta data,"
1007                                                 " nb_queues %u", nb_qpairs);
1008                         return -(ENOMEM);
1009                 }
1010
1011                 if (nb_qpairs > old_nb_queues) {
1012                         uint16_t new_qs = nb_qpairs - old_nb_queues;
1013
1014                         memset(qp + old_nb_queues, 0,
1015                                 sizeof(qp[0]) * new_qs);
1016                 }
1017
1018                 dev->data->queue_pairs = qp;
1019
1020         }
1021         dev->data->nb_queue_pairs = nb_qpairs;
1022         return 0;
1023 }
1024
1025 int
1026 rte_cryptodev_configure(uint8_t dev_id, struct rte_cryptodev_config *config)
1027 {
1028         struct rte_cryptodev *dev;
1029         int diag;
1030
1031         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
1032                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
1033                 return -EINVAL;
1034         }
1035
1036         dev = &rte_crypto_devices[dev_id];
1037
1038         if (dev->data->dev_started) {
1039                 CDEV_LOG_ERR(
1040                     "device %d must be stopped to allow configuration", dev_id);
1041                 return -EBUSY;
1042         }
1043
1044         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_configure, -ENOTSUP);
1045
1046         rte_spinlock_lock(&rte_cryptodev_callback_lock);
1047         cryptodev_cb_cleanup(dev);
1048         rte_spinlock_unlock(&rte_cryptodev_callback_lock);
1049
1050         /* Setup new number of queue pairs and reconfigure device. */
1051         diag = rte_cryptodev_queue_pairs_config(dev, config->nb_queue_pairs,
1052                         config->socket_id);
1053         if (diag != 0) {
1054                 CDEV_LOG_ERR("dev%d rte_crypto_dev_queue_pairs_config = %d",
1055                                 dev_id, diag);
1056                 return diag;
1057         }
1058
1059         rte_spinlock_lock(&rte_cryptodev_callback_lock);
1060         diag = cryptodev_cb_init(dev);
1061         rte_spinlock_unlock(&rte_cryptodev_callback_lock);
1062         if (diag) {
1063                 CDEV_LOG_ERR("Callback init failed for dev_id=%d", dev_id);
1064                 return diag;
1065         }
1066
1067         rte_cryptodev_trace_configure(dev_id, config);
1068         return (*dev->dev_ops->dev_configure)(dev, config);
1069 }
1070
1071 int
1072 rte_cryptodev_start(uint8_t dev_id)
1073 {
1074         struct rte_cryptodev *dev;
1075         int diag;
1076
1077         CDEV_LOG_DEBUG("Start dev_id=%" PRIu8, dev_id);
1078
1079         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
1080                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
1081                 return -EINVAL;
1082         }
1083
1084         dev = &rte_crypto_devices[dev_id];
1085
1086         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_start, -ENOTSUP);
1087
1088         if (dev->data->dev_started != 0) {
1089                 CDEV_LOG_ERR("Device with dev_id=%" PRIu8 " already started",
1090                         dev_id);
1091                 return 0;
1092         }
1093
1094         diag = (*dev->dev_ops->dev_start)(dev);
1095         rte_cryptodev_trace_start(dev_id, diag);
1096         if (diag == 0)
1097                 dev->data->dev_started = 1;
1098         else
1099                 return diag;
1100
1101         return 0;
1102 }
1103
1104 void
1105 rte_cryptodev_stop(uint8_t dev_id)
1106 {
1107         struct rte_cryptodev *dev;
1108
1109         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
1110                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
1111                 return;
1112         }
1113
1114         dev = &rte_crypto_devices[dev_id];
1115
1116         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->dev_stop);
1117
1118         if (dev->data->dev_started == 0) {
1119                 CDEV_LOG_ERR("Device with dev_id=%" PRIu8 " already stopped",
1120                         dev_id);
1121                 return;
1122         }
1123
1124         (*dev->dev_ops->dev_stop)(dev);
1125         rte_cryptodev_trace_stop(dev_id);
1126         dev->data->dev_started = 0;
1127 }
1128
1129 int
1130 rte_cryptodev_close(uint8_t dev_id)
1131 {
1132         struct rte_cryptodev *dev;
1133         int retval;
1134
1135         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
1136                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
1137                 return -1;
1138         }
1139
1140         dev = &rte_crypto_devices[dev_id];
1141
1142         /* Device must be stopped before it can be closed */
1143         if (dev->data->dev_started == 1) {
1144                 CDEV_LOG_ERR("Device %u must be stopped before closing",
1145                                 dev_id);
1146                 return -EBUSY;
1147         }
1148
1149         /* We can't close the device if there are outstanding sessions in use */
1150         if (dev->data->session_pool != NULL) {
1151                 if (!rte_mempool_full(dev->data->session_pool)) {
1152                         CDEV_LOG_ERR("dev_id=%u close failed, session mempool "
1153                                         "has sessions still in use, free "
1154                                         "all sessions before calling close",
1155                                         (unsigned)dev_id);
1156                         return -EBUSY;
1157                 }
1158         }
1159
1160         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_close, -ENOTSUP);
1161         retval = (*dev->dev_ops->dev_close)(dev);
1162         rte_cryptodev_trace_close(dev_id, retval);
1163
1164         if (retval < 0)
1165                 return retval;
1166
1167         return 0;
1168 }
1169
1170 int
1171 rte_cryptodev_get_qp_status(uint8_t dev_id, uint16_t queue_pair_id)
1172 {
1173         struct rte_cryptodev *dev;
1174
1175         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
1176                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
1177                 return -EINVAL;
1178         }
1179
1180         dev = &rte_crypto_devices[dev_id];
1181         if (queue_pair_id >= dev->data->nb_queue_pairs) {
1182                 CDEV_LOG_ERR("Invalid queue_pair_id=%d", queue_pair_id);
1183                 return -EINVAL;
1184         }
1185         void **qps = dev->data->queue_pairs;
1186
1187         if (qps[queue_pair_id]) {
1188                 CDEV_LOG_DEBUG("qp %d on dev %d is initialised",
1189                         queue_pair_id, dev_id);
1190                 return 1;
1191         }
1192
1193         CDEV_LOG_DEBUG("qp %d on dev %d is not initialised",
1194                 queue_pair_id, dev_id);
1195
1196         return 0;
1197 }
1198
1199 int
1200 rte_cryptodev_queue_pair_setup(uint8_t dev_id, uint16_t queue_pair_id,
1201                 const struct rte_cryptodev_qp_conf *qp_conf, int socket_id)
1202
1203 {
1204         struct rte_cryptodev *dev;
1205
1206         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
1207                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
1208                 return -EINVAL;
1209         }
1210
1211         dev = &rte_crypto_devices[dev_id];
1212         if (queue_pair_id >= dev->data->nb_queue_pairs) {
1213                 CDEV_LOG_ERR("Invalid queue_pair_id=%d", queue_pair_id);
1214                 return -EINVAL;
1215         }
1216
1217         if (!qp_conf) {
1218                 CDEV_LOG_ERR("qp_conf cannot be NULL\n");
1219                 return -EINVAL;
1220         }
1221
1222         if ((qp_conf->mp_session && !qp_conf->mp_session_private) ||
1223                         (!qp_conf->mp_session && qp_conf->mp_session_private)) {
1224                 CDEV_LOG_ERR("Invalid mempools\n");
1225                 return -EINVAL;
1226         }
1227
1228         if (qp_conf->mp_session) {
1229                 struct rte_cryptodev_sym_session_pool_private_data *pool_priv;
1230                 uint32_t obj_size = qp_conf->mp_session->elt_size;
1231                 uint32_t obj_priv_size = qp_conf->mp_session_private->elt_size;
1232                 struct rte_cryptodev_sym_session s = {0};
1233
1234                 pool_priv = rte_mempool_get_priv(qp_conf->mp_session);
1235                 if (!pool_priv || qp_conf->mp_session->private_data_size <
1236                                 sizeof(*pool_priv)) {
1237                         CDEV_LOG_ERR("Invalid mempool\n");
1238                         return -EINVAL;
1239                 }
1240
1241                 s.nb_drivers = pool_priv->nb_drivers;
1242                 s.user_data_sz = pool_priv->user_data_sz;
1243
1244                 if ((rte_cryptodev_sym_get_existing_header_session_size(&s) >
1245                         obj_size) || (s.nb_drivers <= dev->driver_id) ||
1246                         rte_cryptodev_sym_get_private_session_size(dev_id) >
1247                                 obj_priv_size) {
1248                         CDEV_LOG_ERR("Invalid mempool\n");
1249                         return -EINVAL;
1250                 }
1251         }
1252
1253         if (dev->data->dev_started) {
1254                 CDEV_LOG_ERR(
1255                     "device %d must be stopped to allow configuration", dev_id);
1256                 return -EBUSY;
1257         }
1258
1259         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->queue_pair_setup, -ENOTSUP);
1260
1261         rte_cryptodev_trace_queue_pair_setup(dev_id, queue_pair_id, qp_conf);
1262         return (*dev->dev_ops->queue_pair_setup)(dev, queue_pair_id, qp_conf,
1263                         socket_id);
1264 }
1265
1266 struct rte_cryptodev_cb *
1267 rte_cryptodev_add_enq_callback(uint8_t dev_id,
1268                                uint16_t qp_id,
1269                                rte_cryptodev_callback_fn cb_fn,
1270                                void *cb_arg)
1271 {
1272         struct rte_cryptodev *dev;
1273         struct rte_cryptodev_cb_rcu *list;
1274         struct rte_cryptodev_cb *cb, *tail;
1275
1276         if (!cb_fn) {
1277                 CDEV_LOG_ERR("Callback is NULL on dev_id=%d", dev_id);
1278                 rte_errno = EINVAL;
1279                 return NULL;
1280         }
1281
1282         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
1283                 CDEV_LOG_ERR("Invalid dev_id=%d", dev_id);
1284                 rte_errno = ENODEV;
1285                 return NULL;
1286         }
1287
1288         dev = &rte_crypto_devices[dev_id];
1289         if (qp_id >= dev->data->nb_queue_pairs) {
1290                 CDEV_LOG_ERR("Invalid queue_pair_id=%d", qp_id);
1291                 rte_errno = ENODEV;
1292                 return NULL;
1293         }
1294
1295         cb = rte_zmalloc(NULL, sizeof(*cb), 0);
1296         if (cb == NULL) {
1297                 CDEV_LOG_ERR("Failed to allocate memory for callback on "
1298                              "dev=%d, queue_pair_id=%d", dev_id, qp_id);
1299                 rte_errno = ENOMEM;
1300                 return NULL;
1301         }
1302
1303         rte_spinlock_lock(&rte_cryptodev_callback_lock);
1304
1305         cb->fn = cb_fn;
1306         cb->arg = cb_arg;
1307
1308         /* Add the callbacks in fifo order. */
1309         list = &dev->enq_cbs[qp_id];
1310         tail = list->next;
1311
1312         if (tail) {
1313                 while (tail->next)
1314                         tail = tail->next;
1315                 /* Stores to cb->fn and cb->param should complete before
1316                  * cb is visible to data plane.
1317                  */
1318                 __atomic_store_n(&tail->next, cb, __ATOMIC_RELEASE);
1319         } else {
1320                 /* Stores to cb->fn and cb->param should complete before
1321                  * cb is visible to data plane.
1322                  */
1323                 __atomic_store_n(&list->next, cb, __ATOMIC_RELEASE);
1324         }
1325
1326         rte_spinlock_unlock(&rte_cryptodev_callback_lock);
1327
1328         return cb;
1329 }
1330
1331 int
1332 rte_cryptodev_remove_enq_callback(uint8_t dev_id,
1333                                   uint16_t qp_id,
1334                                   struct rte_cryptodev_cb *cb)
1335 {
1336         struct rte_cryptodev *dev;
1337         struct rte_cryptodev_cb **prev_cb, *curr_cb;
1338         struct rte_cryptodev_cb_rcu *list;
1339         int ret;
1340
1341         ret = -EINVAL;
1342
1343         if (!cb) {
1344                 CDEV_LOG_ERR("Callback is NULL");
1345                 return -EINVAL;
1346         }
1347
1348         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
1349                 CDEV_LOG_ERR("Invalid dev_id=%d", dev_id);
1350                 return -ENODEV;
1351         }
1352
1353         dev = &rte_crypto_devices[dev_id];
1354         if (qp_id >= dev->data->nb_queue_pairs) {
1355                 CDEV_LOG_ERR("Invalid queue_pair_id=%d", qp_id);
1356                 return -ENODEV;
1357         }
1358
1359         rte_spinlock_lock(&rte_cryptodev_callback_lock);
1360         if (dev->enq_cbs == NULL) {
1361                 CDEV_LOG_ERR("Callback not initialized");
1362                 goto cb_err;
1363         }
1364
1365         list = &dev->enq_cbs[qp_id];
1366         if (list == NULL) {
1367                 CDEV_LOG_ERR("Callback list is NULL");
1368                 goto cb_err;
1369         }
1370
1371         if (list->qsbr == NULL) {
1372                 CDEV_LOG_ERR("Rcu qsbr is NULL");
1373                 goto cb_err;
1374         }
1375
1376         prev_cb = &list->next;
1377         for (; *prev_cb != NULL; prev_cb = &curr_cb->next) {
1378                 curr_cb = *prev_cb;
1379                 if (curr_cb == cb) {
1380                         /* Remove the user cb from the callback list. */
1381                         __atomic_store_n(prev_cb, curr_cb->next,
1382                                 __ATOMIC_RELAXED);
1383                         ret = 0;
1384                         break;
1385                 }
1386         }
1387
1388         if (!ret) {
1389                 /* Call sync with invalid thread id as this is part of
1390                  * control plane API
1391                  */
1392                 rte_rcu_qsbr_synchronize(list->qsbr, RTE_QSBR_THRID_INVALID);
1393                 rte_free(cb);
1394         }
1395
1396 cb_err:
1397         rte_spinlock_unlock(&rte_cryptodev_callback_lock);
1398         return ret;
1399 }
1400
1401 struct rte_cryptodev_cb *
1402 rte_cryptodev_add_deq_callback(uint8_t dev_id,
1403                                uint16_t qp_id,
1404                                rte_cryptodev_callback_fn cb_fn,
1405                                void *cb_arg)
1406 {
1407         struct rte_cryptodev *dev;
1408         struct rte_cryptodev_cb_rcu *list;
1409         struct rte_cryptodev_cb *cb, *tail;
1410
1411         if (!cb_fn) {
1412                 CDEV_LOG_ERR("Callback is NULL on dev_id=%d", dev_id);
1413                 rte_errno = EINVAL;
1414                 return NULL;
1415         }
1416
1417         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
1418                 CDEV_LOG_ERR("Invalid dev_id=%d", dev_id);
1419                 rte_errno = ENODEV;
1420                 return NULL;
1421         }
1422
1423         dev = &rte_crypto_devices[dev_id];
1424         if (qp_id >= dev->data->nb_queue_pairs) {
1425                 CDEV_LOG_ERR("Invalid queue_pair_id=%d", qp_id);
1426                 rte_errno = ENODEV;
1427                 return NULL;
1428         }
1429
1430         cb = rte_zmalloc(NULL, sizeof(*cb), 0);
1431         if (cb == NULL) {
1432                 CDEV_LOG_ERR("Failed to allocate memory for callback on "
1433                              "dev=%d, queue_pair_id=%d", dev_id, qp_id);
1434                 rte_errno = ENOMEM;
1435                 return NULL;
1436         }
1437
1438         rte_spinlock_lock(&rte_cryptodev_callback_lock);
1439
1440         cb->fn = cb_fn;
1441         cb->arg = cb_arg;
1442
1443         /* Add the callbacks in fifo order. */
1444         list = &dev->deq_cbs[qp_id];
1445         tail = list->next;
1446
1447         if (tail) {
1448                 while (tail->next)
1449                         tail = tail->next;
1450                 /* Stores to cb->fn and cb->param should complete before
1451                  * cb is visible to data plane.
1452                  */
1453                 __atomic_store_n(&tail->next, cb, __ATOMIC_RELEASE);
1454         } else {
1455                 /* Stores to cb->fn and cb->param should complete before
1456                  * cb is visible to data plane.
1457                  */
1458                 __atomic_store_n(&list->next, cb, __ATOMIC_RELEASE);
1459         }
1460
1461         rte_spinlock_unlock(&rte_cryptodev_callback_lock);
1462
1463         return cb;
1464 }
1465
1466 int
1467 rte_cryptodev_remove_deq_callback(uint8_t dev_id,
1468                                   uint16_t qp_id,
1469                                   struct rte_cryptodev_cb *cb)
1470 {
1471         struct rte_cryptodev *dev;
1472         struct rte_cryptodev_cb **prev_cb, *curr_cb;
1473         struct rte_cryptodev_cb_rcu *list;
1474         int ret;
1475
1476         ret = -EINVAL;
1477
1478         if (!cb) {
1479                 CDEV_LOG_ERR("Callback is NULL");
1480                 return -EINVAL;
1481         }
1482
1483         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
1484                 CDEV_LOG_ERR("Invalid dev_id=%d", dev_id);
1485                 return -ENODEV;
1486         }
1487
1488         dev = &rte_crypto_devices[dev_id];
1489         if (qp_id >= dev->data->nb_queue_pairs) {
1490                 CDEV_LOG_ERR("Invalid queue_pair_id=%d", qp_id);
1491                 return -ENODEV;
1492         }
1493
1494         rte_spinlock_lock(&rte_cryptodev_callback_lock);
1495         if (dev->enq_cbs == NULL) {
1496                 CDEV_LOG_ERR("Callback not initialized");
1497                 goto cb_err;
1498         }
1499
1500         list = &dev->deq_cbs[qp_id];
1501         if (list == NULL) {
1502                 CDEV_LOG_ERR("Callback list is NULL");
1503                 goto cb_err;
1504         }
1505
1506         if (list->qsbr == NULL) {
1507                 CDEV_LOG_ERR("Rcu qsbr is NULL");
1508                 goto cb_err;
1509         }
1510
1511         prev_cb = &list->next;
1512         for (; *prev_cb != NULL; prev_cb = &curr_cb->next) {
1513                 curr_cb = *prev_cb;
1514                 if (curr_cb == cb) {
1515                         /* Remove the user cb from the callback list. */
1516                         __atomic_store_n(prev_cb, curr_cb->next,
1517                                 __ATOMIC_RELAXED);
1518                         ret = 0;
1519                         break;
1520                 }
1521         }
1522
1523         if (!ret) {
1524                 /* Call sync with invalid thread id as this is part of
1525                  * control plane API
1526                  */
1527                 rte_rcu_qsbr_synchronize(list->qsbr, RTE_QSBR_THRID_INVALID);
1528                 rte_free(cb);
1529         }
1530
1531 cb_err:
1532         rte_spinlock_unlock(&rte_cryptodev_callback_lock);
1533         return ret;
1534 }
1535
1536 int
1537 rte_cryptodev_stats_get(uint8_t dev_id, struct rte_cryptodev_stats *stats)
1538 {
1539         struct rte_cryptodev *dev;
1540
1541         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
1542                 CDEV_LOG_ERR("Invalid dev_id=%d", dev_id);
1543                 return -ENODEV;
1544         }
1545
1546         if (stats == NULL) {
1547                 CDEV_LOG_ERR("Invalid stats ptr");
1548                 return -EINVAL;
1549         }
1550
1551         dev = &rte_crypto_devices[dev_id];
1552         memset(stats, 0, sizeof(*stats));
1553
1554         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->stats_get, -ENOTSUP);
1555         (*dev->dev_ops->stats_get)(dev, stats);
1556         return 0;
1557 }
1558
1559 void
1560 rte_cryptodev_stats_reset(uint8_t dev_id)
1561 {
1562         struct rte_cryptodev *dev;
1563
1564         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
1565                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
1566                 return;
1567         }
1568
1569         dev = &rte_crypto_devices[dev_id];
1570
1571         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->stats_reset);
1572         (*dev->dev_ops->stats_reset)(dev);
1573 }
1574
1575 void
1576 rte_cryptodev_info_get(uint8_t dev_id, struct rte_cryptodev_info *dev_info)
1577 {
1578         struct rte_cryptodev *dev;
1579
1580         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
1581                 CDEV_LOG_ERR("Invalid dev_id=%d", dev_id);
1582                 return;
1583         }
1584
1585         dev = &rte_crypto_devices[dev_id];
1586
1587         memset(dev_info, 0, sizeof(struct rte_cryptodev_info));
1588
1589         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->dev_infos_get);
1590         (*dev->dev_ops->dev_infos_get)(dev, dev_info);
1591
1592         dev_info->driver_name = dev->device->driver->name;
1593         dev_info->device = dev->device;
1594 }
1595
1596 int
1597 rte_cryptodev_callback_register(uint8_t dev_id,
1598                         enum rte_cryptodev_event_type event,
1599                         rte_cryptodev_cb_fn cb_fn, void *cb_arg)
1600 {
1601         struct rte_cryptodev *dev;
1602         struct rte_cryptodev_callback *user_cb;
1603
1604         if (!cb_fn)
1605                 return -EINVAL;
1606
1607         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
1608                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
1609                 return -EINVAL;
1610         }
1611
1612         dev = &rte_crypto_devices[dev_id];
1613         rte_spinlock_lock(&rte_cryptodev_cb_lock);
1614
1615         TAILQ_FOREACH(user_cb, &(dev->link_intr_cbs), next) {
1616                 if (user_cb->cb_fn == cb_fn &&
1617                         user_cb->cb_arg == cb_arg &&
1618                         user_cb->event == event) {
1619                         break;
1620                 }
1621         }
1622
1623         /* create a new callback. */
1624         if (user_cb == NULL) {
1625                 user_cb = rte_zmalloc("INTR_USER_CALLBACK",
1626                                 sizeof(struct rte_cryptodev_callback), 0);
1627                 if (user_cb != NULL) {
1628                         user_cb->cb_fn = cb_fn;
1629                         user_cb->cb_arg = cb_arg;
1630                         user_cb->event = event;
1631                         TAILQ_INSERT_TAIL(&(dev->link_intr_cbs), user_cb, next);
1632                 }
1633         }
1634
1635         rte_spinlock_unlock(&rte_cryptodev_cb_lock);
1636         return (user_cb == NULL) ? -ENOMEM : 0;
1637 }
1638
1639 int
1640 rte_cryptodev_callback_unregister(uint8_t dev_id,
1641                         enum rte_cryptodev_event_type event,
1642                         rte_cryptodev_cb_fn cb_fn, void *cb_arg)
1643 {
1644         int ret;
1645         struct rte_cryptodev *dev;
1646         struct rte_cryptodev_callback *cb, *next;
1647
1648         if (!cb_fn)
1649                 return -EINVAL;
1650
1651         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
1652                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
1653                 return -EINVAL;
1654         }
1655
1656         dev = &rte_crypto_devices[dev_id];
1657         rte_spinlock_lock(&rte_cryptodev_cb_lock);
1658
1659         ret = 0;
1660         for (cb = TAILQ_FIRST(&dev->link_intr_cbs); cb != NULL; cb = next) {
1661
1662                 next = TAILQ_NEXT(cb, next);
1663
1664                 if (cb->cb_fn != cb_fn || cb->event != event ||
1665                                 (cb->cb_arg != (void *)-1 &&
1666                                 cb->cb_arg != cb_arg))
1667                         continue;
1668
1669                 /*
1670                  * if this callback is not executing right now,
1671                  * then remove it.
1672                  */
1673                 if (cb->active == 0) {
1674                         TAILQ_REMOVE(&(dev->link_intr_cbs), cb, next);
1675                         rte_free(cb);
1676                 } else {
1677                         ret = -EAGAIN;
1678                 }
1679         }
1680
1681         rte_spinlock_unlock(&rte_cryptodev_cb_lock);
1682         return ret;
1683 }
1684
1685 void
1686 rte_cryptodev_pmd_callback_process(struct rte_cryptodev *dev,
1687         enum rte_cryptodev_event_type event)
1688 {
1689         struct rte_cryptodev_callback *cb_lst;
1690         struct rte_cryptodev_callback dev_cb;
1691
1692         rte_spinlock_lock(&rte_cryptodev_cb_lock);
1693         TAILQ_FOREACH(cb_lst, &(dev->link_intr_cbs), next) {
1694                 if (cb_lst->cb_fn == NULL || cb_lst->event != event)
1695                         continue;
1696                 dev_cb = *cb_lst;
1697                 cb_lst->active = 1;
1698                 rte_spinlock_unlock(&rte_cryptodev_cb_lock);
1699                 dev_cb.cb_fn(dev->data->dev_id, dev_cb.event,
1700                                                 dev_cb.cb_arg);
1701                 rte_spinlock_lock(&rte_cryptodev_cb_lock);
1702                 cb_lst->active = 0;
1703         }
1704         rte_spinlock_unlock(&rte_cryptodev_cb_lock);
1705 }
1706
1707 int
1708 rte_cryptodev_sym_session_init(uint8_t dev_id,
1709                 struct rte_cryptodev_sym_session *sess,
1710                 struct rte_crypto_sym_xform *xforms,
1711                 struct rte_mempool *mp)
1712 {
1713         struct rte_cryptodev *dev;
1714         uint32_t sess_priv_sz = rte_cryptodev_sym_get_private_session_size(
1715                         dev_id);
1716         uint8_t index;
1717         int ret;
1718
1719         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
1720                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
1721                 return -EINVAL;
1722         }
1723
1724         dev = rte_cryptodev_pmd_get_dev(dev_id);
1725
1726         if (sess == NULL || xforms == NULL || dev == NULL || mp == NULL)
1727                 return -EINVAL;
1728
1729         if (mp->elt_size < sess_priv_sz)
1730                 return -EINVAL;
1731
1732         index = dev->driver_id;
1733         if (index >= sess->nb_drivers)
1734                 return -EINVAL;
1735
1736         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->sym_session_configure, -ENOTSUP);
1737
1738         if (sess->sess_data[index].refcnt == 0) {
1739                 ret = dev->dev_ops->sym_session_configure(dev, xforms,
1740                                                         sess, mp);
1741                 if (ret < 0) {
1742                         CDEV_LOG_ERR(
1743                                 "dev_id %d failed to configure session details",
1744                                 dev_id);
1745                         return ret;
1746                 }
1747         }
1748
1749         rte_cryptodev_trace_sym_session_init(dev_id, sess, xforms, mp);
1750         sess->sess_data[index].refcnt++;
1751         return 0;
1752 }
1753
1754 int
1755 rte_cryptodev_asym_session_init(uint8_t dev_id,
1756                 struct rte_cryptodev_asym_session *sess,
1757                 struct rte_crypto_asym_xform *xforms,
1758                 struct rte_mempool *mp)
1759 {
1760         struct rte_cryptodev *dev;
1761         uint8_t index;
1762         int ret;
1763
1764         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
1765                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
1766                 return -EINVAL;
1767         }
1768
1769         dev = rte_cryptodev_pmd_get_dev(dev_id);
1770
1771         if (sess == NULL || xforms == NULL || dev == NULL)
1772                 return -EINVAL;
1773
1774         index = dev->driver_id;
1775
1776         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->asym_session_configure,
1777                                 -ENOTSUP);
1778
1779         if (sess->sess_private_data[index] == NULL) {
1780                 ret = dev->dev_ops->asym_session_configure(dev,
1781                                                         xforms,
1782                                                         sess, mp);
1783                 if (ret < 0) {
1784                         CDEV_LOG_ERR(
1785                                 "dev_id %d failed to configure session details",
1786                                 dev_id);
1787                         return ret;
1788                 }
1789         }
1790
1791         rte_cryptodev_trace_asym_session_init(dev_id, sess, xforms, mp);
1792         return 0;
1793 }
1794
1795 struct rte_mempool *
1796 rte_cryptodev_sym_session_pool_create(const char *name, uint32_t nb_elts,
1797         uint32_t elt_size, uint32_t cache_size, uint16_t user_data_size,
1798         int socket_id)
1799 {
1800         struct rte_mempool *mp;
1801         struct rte_cryptodev_sym_session_pool_private_data *pool_priv;
1802         uint32_t obj_sz;
1803
1804         obj_sz = rte_cryptodev_sym_get_header_session_size() + user_data_size;
1805         if (obj_sz > elt_size)
1806                 CDEV_LOG_INFO("elt_size %u is expanded to %u\n", elt_size,
1807                                 obj_sz);
1808         else
1809                 obj_sz = elt_size;
1810
1811         mp = rte_mempool_create(name, nb_elts, obj_sz, cache_size,
1812                         (uint32_t)(sizeof(*pool_priv)),
1813                         NULL, NULL, NULL, NULL,
1814                         socket_id, 0);
1815         if (mp == NULL) {
1816                 CDEV_LOG_ERR("%s(name=%s) failed, rte_errno=%d\n",
1817                         __func__, name, rte_errno);
1818                 return NULL;
1819         }
1820
1821         pool_priv = rte_mempool_get_priv(mp);
1822         if (!pool_priv) {
1823                 CDEV_LOG_ERR("%s(name=%s) failed to get private data\n",
1824                         __func__, name);
1825                 rte_mempool_free(mp);
1826                 return NULL;
1827         }
1828
1829         pool_priv->nb_drivers = nb_drivers;
1830         pool_priv->user_data_sz = user_data_size;
1831
1832         rte_cryptodev_trace_sym_session_pool_create(name, nb_elts,
1833                 elt_size, cache_size, user_data_size, mp);
1834         return mp;
1835 }
1836
1837 static unsigned int
1838 rte_cryptodev_sym_session_data_size(struct rte_cryptodev_sym_session *sess)
1839 {
1840         return (sizeof(sess->sess_data[0]) * sess->nb_drivers) +
1841                         sess->user_data_sz;
1842 }
1843
1844 static uint8_t
1845 rte_cryptodev_sym_is_valid_session_pool(struct rte_mempool *mp)
1846 {
1847         struct rte_cryptodev_sym_session_pool_private_data *pool_priv;
1848
1849         if (!mp)
1850                 return 0;
1851
1852         pool_priv = rte_mempool_get_priv(mp);
1853
1854         if (!pool_priv || mp->private_data_size < sizeof(*pool_priv) ||
1855                         pool_priv->nb_drivers != nb_drivers ||
1856                         mp->elt_size <
1857                                 rte_cryptodev_sym_get_header_session_size()
1858                                 + pool_priv->user_data_sz)
1859                 return 0;
1860
1861         return 1;
1862 }
1863
1864 struct rte_cryptodev_sym_session *
1865 rte_cryptodev_sym_session_create(struct rte_mempool *mp)
1866 {
1867         struct rte_cryptodev_sym_session *sess;
1868         struct rte_cryptodev_sym_session_pool_private_data *pool_priv;
1869
1870         if (!rte_cryptodev_sym_is_valid_session_pool(mp)) {
1871                 CDEV_LOG_ERR("Invalid mempool\n");
1872                 return NULL;
1873         }
1874
1875         pool_priv = rte_mempool_get_priv(mp);
1876
1877         /* Allocate a session structure from the session pool */
1878         if (rte_mempool_get(mp, (void **)&sess)) {
1879                 CDEV_LOG_ERR("couldn't get object from session mempool");
1880                 return NULL;
1881         }
1882
1883         sess->nb_drivers = pool_priv->nb_drivers;
1884         sess->user_data_sz = pool_priv->user_data_sz;
1885         sess->opaque_data = 0;
1886
1887         /* Clear device session pointer.
1888          * Include the flag indicating presence of user data
1889          */
1890         memset(sess->sess_data, 0,
1891                         rte_cryptodev_sym_session_data_size(sess));
1892
1893         rte_cryptodev_trace_sym_session_create(mp, sess);
1894         return sess;
1895 }
1896
1897 struct rte_cryptodev_asym_session *
1898 rte_cryptodev_asym_session_create(struct rte_mempool *mp)
1899 {
1900         struct rte_cryptodev_asym_session *sess;
1901         unsigned int session_size =
1902                         rte_cryptodev_asym_get_header_session_size();
1903
1904         if (!mp) {
1905                 CDEV_LOG_ERR("invalid mempool\n");
1906                 return NULL;
1907         }
1908
1909         /* Verify if provided mempool can hold elements big enough. */
1910         if (mp->elt_size < session_size) {
1911                 CDEV_LOG_ERR(
1912                         "mempool elements too small to hold session objects");
1913                 return NULL;
1914         }
1915
1916         /* Allocate a session structure from the session pool */
1917         if (rte_mempool_get(mp, (void **)&sess)) {
1918                 CDEV_LOG_ERR("couldn't get object from session mempool");
1919                 return NULL;
1920         }
1921
1922         /* Clear device session pointer.
1923          * Include the flag indicating presence of private data
1924          */
1925         memset(sess, 0, session_size);
1926
1927         rte_cryptodev_trace_asym_session_create(mp, sess);
1928         return sess;
1929 }
1930
1931 int
1932 rte_cryptodev_sym_session_clear(uint8_t dev_id,
1933                 struct rte_cryptodev_sym_session *sess)
1934 {
1935         struct rte_cryptodev *dev;
1936         uint8_t driver_id;
1937
1938         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
1939                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
1940                 return -EINVAL;
1941         }
1942
1943         dev = rte_cryptodev_pmd_get_dev(dev_id);
1944
1945         if (dev == NULL || sess == NULL)
1946                 return -EINVAL;
1947
1948         driver_id = dev->driver_id;
1949         if (sess->sess_data[driver_id].refcnt == 0)
1950                 return 0;
1951         if (--sess->sess_data[driver_id].refcnt != 0)
1952                 return -EBUSY;
1953
1954         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->sym_session_clear, -ENOTSUP);
1955
1956         dev->dev_ops->sym_session_clear(dev, sess);
1957
1958         rte_cryptodev_trace_sym_session_clear(dev_id, sess);
1959         return 0;
1960 }
1961
1962 int
1963 rte_cryptodev_asym_session_clear(uint8_t dev_id,
1964                 struct rte_cryptodev_asym_session *sess)
1965 {
1966         struct rte_cryptodev *dev;
1967
1968         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
1969                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
1970                 return -EINVAL;
1971         }
1972
1973         dev = rte_cryptodev_pmd_get_dev(dev_id);
1974
1975         if (dev == NULL || sess == NULL)
1976                 return -EINVAL;
1977
1978         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->asym_session_clear, -ENOTSUP);
1979
1980         dev->dev_ops->asym_session_clear(dev, sess);
1981
1982         rte_cryptodev_trace_sym_session_clear(dev_id, sess);
1983         return 0;
1984 }
1985
1986 int
1987 rte_cryptodev_sym_session_free(struct rte_cryptodev_sym_session *sess)
1988 {
1989         uint8_t i;
1990         struct rte_mempool *sess_mp;
1991
1992         if (sess == NULL)
1993                 return -EINVAL;
1994
1995         /* Check that all device private data has been freed */
1996         for (i = 0; i < sess->nb_drivers; i++) {
1997                 if (sess->sess_data[i].refcnt != 0)
1998                         return -EBUSY;
1999         }
2000
2001         /* Return session to mempool */
2002         sess_mp = rte_mempool_from_obj(sess);
2003         rte_mempool_put(sess_mp, sess);
2004
2005         rte_cryptodev_trace_sym_session_free(sess);
2006         return 0;
2007 }
2008
2009 int
2010 rte_cryptodev_asym_session_free(struct rte_cryptodev_asym_session *sess)
2011 {
2012         uint8_t i;
2013         void *sess_priv;
2014         struct rte_mempool *sess_mp;
2015
2016         if (sess == NULL)
2017                 return -EINVAL;
2018
2019         /* Check that all device private data has been freed */
2020         for (i = 0; i < nb_drivers; i++) {
2021                 sess_priv = get_asym_session_private_data(sess, i);
2022                 if (sess_priv != NULL)
2023                         return -EBUSY;
2024         }
2025
2026         /* Return session to mempool */
2027         sess_mp = rte_mempool_from_obj(sess);
2028         rte_mempool_put(sess_mp, sess);
2029
2030         rte_cryptodev_trace_asym_session_free(sess);
2031         return 0;
2032 }
2033
2034 unsigned int
2035 rte_cryptodev_sym_get_header_session_size(void)
2036 {
2037         /*
2038          * Header contains pointers to the private data of all registered
2039          * drivers and all necessary information to ensure safely clear
2040          * or free al session.
2041          */
2042         struct rte_cryptodev_sym_session s = {0};
2043
2044         s.nb_drivers = nb_drivers;
2045
2046         return (unsigned int)(sizeof(s) +
2047                         rte_cryptodev_sym_session_data_size(&s));
2048 }
2049
2050 unsigned int
2051 rte_cryptodev_sym_get_existing_header_session_size(
2052                 struct rte_cryptodev_sym_session *sess)
2053 {
2054         if (!sess)
2055                 return 0;
2056         else
2057                 return (unsigned int)(sizeof(*sess) +
2058                                 rte_cryptodev_sym_session_data_size(sess));
2059 }
2060
2061 unsigned int
2062 rte_cryptodev_asym_get_header_session_size(void)
2063 {
2064         /*
2065          * Header contains pointers to the private data
2066          * of all registered drivers, and a flag which
2067          * indicates presence of private data
2068          */
2069         return ((sizeof(void *) * nb_drivers) + sizeof(uint8_t));
2070 }
2071
2072 unsigned int
2073 rte_cryptodev_sym_get_private_session_size(uint8_t dev_id)
2074 {
2075         struct rte_cryptodev *dev;
2076         unsigned int priv_sess_size;
2077
2078         if (!rte_cryptodev_pmd_is_valid_dev(dev_id))
2079                 return 0;
2080
2081         dev = rte_cryptodev_pmd_get_dev(dev_id);
2082
2083         if (*dev->dev_ops->sym_session_get_size == NULL)
2084                 return 0;
2085
2086         priv_sess_size = (*dev->dev_ops->sym_session_get_size)(dev);
2087
2088         return priv_sess_size;
2089 }
2090
2091 unsigned int
2092 rte_cryptodev_asym_get_private_session_size(uint8_t dev_id)
2093 {
2094         struct rte_cryptodev *dev;
2095         unsigned int header_size = sizeof(void *) * nb_drivers;
2096         unsigned int priv_sess_size;
2097
2098         if (!rte_cryptodev_pmd_is_valid_dev(dev_id))
2099                 return 0;
2100
2101         dev = rte_cryptodev_pmd_get_dev(dev_id);
2102
2103         if (*dev->dev_ops->asym_session_get_size == NULL)
2104                 return 0;
2105
2106         priv_sess_size = (*dev->dev_ops->asym_session_get_size)(dev);
2107         if (priv_sess_size < header_size)
2108                 return header_size;
2109
2110         return priv_sess_size;
2111
2112 }
2113
2114 int
2115 rte_cryptodev_sym_session_set_user_data(
2116                                         struct rte_cryptodev_sym_session *sess,
2117                                         void *data,
2118                                         uint16_t size)
2119 {
2120         if (sess == NULL)
2121                 return -EINVAL;
2122
2123         if (sess->user_data_sz < size)
2124                 return -ENOMEM;
2125
2126         rte_memcpy(sess->sess_data + sess->nb_drivers, data, size);
2127         return 0;
2128 }
2129
2130 void *
2131 rte_cryptodev_sym_session_get_user_data(
2132                                         struct rte_cryptodev_sym_session *sess)
2133 {
2134         if (sess == NULL || sess->user_data_sz == 0)
2135                 return NULL;
2136
2137         return (void *)(sess->sess_data + sess->nb_drivers);
2138 }
2139
2140 static inline void
2141 sym_crypto_fill_status(struct rte_crypto_sym_vec *vec, int32_t errnum)
2142 {
2143         uint32_t i;
2144         for (i = 0; i < vec->num; i++)
2145                 vec->status[i] = errnum;
2146 }
2147
2148 uint32_t
2149 rte_cryptodev_sym_cpu_crypto_process(uint8_t dev_id,
2150         struct rte_cryptodev_sym_session *sess, union rte_crypto_sym_ofs ofs,
2151         struct rte_crypto_sym_vec *vec)
2152 {
2153         struct rte_cryptodev *dev;
2154
2155         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
2156                 sym_crypto_fill_status(vec, EINVAL);
2157                 return 0;
2158         }
2159
2160         dev = rte_cryptodev_pmd_get_dev(dev_id);
2161
2162         if (*dev->dev_ops->sym_cpu_process == NULL ||
2163                 !(dev->feature_flags & RTE_CRYPTODEV_FF_SYM_CPU_CRYPTO)) {
2164                 sym_crypto_fill_status(vec, ENOTSUP);
2165                 return 0;
2166         }
2167
2168         return dev->dev_ops->sym_cpu_process(dev, sess, ofs, vec);
2169 }
2170
2171 int
2172 rte_cryptodev_get_raw_dp_ctx_size(uint8_t dev_id)
2173 {
2174         struct rte_cryptodev *dev;
2175         int32_t size = sizeof(struct rte_crypto_raw_dp_ctx);
2176         int32_t priv_size;
2177
2178         if (!rte_cryptodev_pmd_is_valid_dev(dev_id))
2179                 return -EINVAL;
2180
2181         dev = rte_cryptodev_pmd_get_dev(dev_id);
2182
2183         if (*dev->dev_ops->sym_get_raw_dp_ctx_size == NULL ||
2184                 !(dev->feature_flags & RTE_CRYPTODEV_FF_SYM_RAW_DP)) {
2185                 return -ENOTSUP;
2186         }
2187
2188         priv_size = (*dev->dev_ops->sym_get_raw_dp_ctx_size)(dev);
2189         if (priv_size < 0)
2190                 return -ENOTSUP;
2191
2192         return RTE_ALIGN_CEIL((size + priv_size), 8);
2193 }
2194
2195 int
2196 rte_cryptodev_configure_raw_dp_ctx(uint8_t dev_id, uint16_t qp_id,
2197         struct rte_crypto_raw_dp_ctx *ctx,
2198         enum rte_crypto_op_sess_type sess_type,
2199         union rte_cryptodev_session_ctx session_ctx,
2200         uint8_t is_update)
2201 {
2202         struct rte_cryptodev *dev;
2203
2204         if (!rte_cryptodev_get_qp_status(dev_id, qp_id))
2205                 return -EINVAL;
2206
2207         dev = rte_cryptodev_pmd_get_dev(dev_id);
2208         if (!(dev->feature_flags & RTE_CRYPTODEV_FF_SYM_RAW_DP)
2209                         || dev->dev_ops->sym_configure_raw_dp_ctx == NULL)
2210                 return -ENOTSUP;
2211
2212         return (*dev->dev_ops->sym_configure_raw_dp_ctx)(dev, qp_id, ctx,
2213                         sess_type, session_ctx, is_update);
2214 }
2215
2216 uint32_t
2217 rte_cryptodev_raw_enqueue_burst(struct rte_crypto_raw_dp_ctx *ctx,
2218         struct rte_crypto_sym_vec *vec, union rte_crypto_sym_ofs ofs,
2219         void **user_data, int *enqueue_status)
2220 {
2221         return (*ctx->enqueue_burst)(ctx->qp_data, ctx->drv_ctx_data, vec,
2222                         ofs, user_data, enqueue_status);
2223 }
2224
2225 int
2226 rte_cryptodev_raw_enqueue_done(struct rte_crypto_raw_dp_ctx *ctx,
2227                 uint32_t n)
2228 {
2229         return (*ctx->enqueue_done)(ctx->qp_data, ctx->drv_ctx_data, n);
2230 }
2231
2232 uint32_t
2233 rte_cryptodev_raw_dequeue_burst(struct rte_crypto_raw_dp_ctx *ctx,
2234         rte_cryptodev_raw_get_dequeue_count_t get_dequeue_count,
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, post_dequeue, out_user_data,
2241                 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 }