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 /* spinlock for crypto device callbacks */
  57 static rte_spinlock_t rte_cryptodev_cb_lock = RTE_SPINLOCK_INITIALIZER;
  58
  59 /**
  60  * The user application callback description.
  61  *
  62  * It contains callback address to be registered by user application,
  63  * the pointer to the parameters for callback, and the event type.
  64  */
  65 struct rte_cryptodev_callback {
  66         TAILQ_ENTRY(rte_cryptodev_callback) next; /**< Callbacks list */
  67         rte_cryptodev_cb_fn cb_fn;              /**< Callback address */
  68         void *cb_arg;                           /**< Parameter for callback */
  69         enum rte_cryptodev_event_type event;    /**< Interrupt event type */
  70         uint32_t active;                        /**< Callback is executing */
  71 };
  72
  73 /**
  74  * The crypto cipher algorithm strings identifiers.
  75  * It could be used in application command line.
  76  */
  77 const char *
  78 rte_crypto_cipher_algorithm_strings[] = {
  79         [RTE_CRYPTO_CIPHER_3DES_CBC]    = "3des-cbc",
  80         [RTE_CRYPTO_CIPHER_3DES_ECB]    = "3des-ecb",
  81         [RTE_CRYPTO_CIPHER_3DES_CTR]    = "3des-ctr",
  82
  83         [RTE_CRYPTO_CIPHER_AES_CBC]     = "aes-cbc",
  84         [RTE_CRYPTO_CIPHER_AES_CTR]     = "aes-ctr",
  85         [RTE_CRYPTO_CIPHER_AES_DOCSISBPI]       = "aes-docsisbpi",
  86         [RTE_CRYPTO_CIPHER_AES_ECB]     = "aes-ecb",
  87         [RTE_CRYPTO_CIPHER_AES_F8]      = "aes-f8",
  88         [RTE_CRYPTO_CIPHER_AES_XTS]     = "aes-xts",
  89
  90         [RTE_CRYPTO_CIPHER_ARC4]        = "arc4",
  91
  92         [RTE_CRYPTO_CIPHER_DES_CBC]     = "des-cbc",
  93         [RTE_CRYPTO_CIPHER_DES_DOCSISBPI]       = "des-docsisbpi",
  94
  95         [RTE_CRYPTO_CIPHER_NULL]        = "null",
  96
  97         [RTE_CRYPTO_CIPHER_KASUMI_F8]   = "kasumi-f8",
  98         [RTE_CRYPTO_CIPHER_SNOW3G_UEA2] = "snow3g-uea2",
  99         [RTE_CRYPTO_CIPHER_ZUC_EEA3]    = "zuc-eea3"
 100 };
 101
 102 /**
 103  * The crypto cipher operation strings identifiers.
 104  * It could be used in application command line.
 105  */
 106 const char *
 107 rte_crypto_cipher_operation_strings[] = {
 108                 [RTE_CRYPTO_CIPHER_OP_ENCRYPT]  = "encrypt",
 109                 [RTE_CRYPTO_CIPHER_OP_DECRYPT]  = "decrypt"
 110 };
 111
 112 /**
 113  * The crypto auth algorithm strings identifiers.
 114  * It could be used in application command line.
 115  */
 116 const char *
 117 rte_crypto_auth_algorithm_strings[] = {
 118         [RTE_CRYPTO_AUTH_AES_CBC_MAC]   = "aes-cbc-mac",
 119         [RTE_CRYPTO_AUTH_AES_CMAC]      = "aes-cmac",
 120         [RTE_CRYPTO_AUTH_AES_GMAC]      = "aes-gmac",
 121         [RTE_CRYPTO_AUTH_AES_XCBC_MAC]  = "aes-xcbc-mac",
 122
 123         [RTE_CRYPTO_AUTH_MD5]           = "md5",
 124         [RTE_CRYPTO_AUTH_MD5_HMAC]      = "md5-hmac",
 125
 126         [RTE_CRYPTO_AUTH_NULL]          = "null",
 127
 128         [RTE_CRYPTO_AUTH_SHA1]          = "sha1",
 129         [RTE_CRYPTO_AUTH_SHA1_HMAC]     = "sha1-hmac",
 130
 131         [RTE_CRYPTO_AUTH_SHA224]        = "sha2-224",
 132         [RTE_CRYPTO_AUTH_SHA224_HMAC]   = "sha2-224-hmac",
 133         [RTE_CRYPTO_AUTH_SHA256]        = "sha2-256",
 134         [RTE_CRYPTO_AUTH_SHA256_HMAC]   = "sha2-256-hmac",
 135         [RTE_CRYPTO_AUTH_SHA384]        = "sha2-384",
 136         [RTE_CRYPTO_AUTH_SHA384_HMAC]   = "sha2-384-hmac",
 137         [RTE_CRYPTO_AUTH_SHA512]        = "sha2-512",
 138         [RTE_CRYPTO_AUTH_SHA512_HMAC]   = "sha2-512-hmac",
 139
 140         [RTE_CRYPTO_AUTH_KASUMI_F9]     = "kasumi-f9",
 141         [RTE_CRYPTO_AUTH_SNOW3G_UIA2]   = "snow3g-uia2",
 142         [RTE_CRYPTO_AUTH_ZUC_EIA3]      = "zuc-eia3"
 143 };
 144
 145 /**
 146  * The crypto AEAD algorithm strings identifiers.
 147  * It could be used in application command line.
 148  */
 149 const char *
 150 rte_crypto_aead_algorithm_strings[] = {
 151         [RTE_CRYPTO_AEAD_AES_CCM]       = "aes-ccm",
 152         [RTE_CRYPTO_AEAD_AES_GCM]       = "aes-gcm",
 153         [RTE_CRYPTO_AEAD_CHACHA20_POLY1305] = "chacha20-poly1305"
 154 };
 155
 156 /**
 157  * The crypto AEAD operation strings identifiers.
 158  * It could be used in application command line.
 159  */
 160 const char *
 161 rte_crypto_aead_operation_strings[] = {
 162         [RTE_CRYPTO_AEAD_OP_ENCRYPT]    = "encrypt",
 163         [RTE_CRYPTO_AEAD_OP_DECRYPT]    = "decrypt"
 164 };
 165
 166 /**
 167  * Asymmetric crypto transform operation strings identifiers.
 168  */
 169 const char *rte_crypto_asym_xform_strings[] = {
 170         [RTE_CRYPTO_ASYM_XFORM_NONE]    = "none",
 171         [RTE_CRYPTO_ASYM_XFORM_RSA]     = "rsa",
 172         [RTE_CRYPTO_ASYM_XFORM_MODEX]   = "modexp",
 173         [RTE_CRYPTO_ASYM_XFORM_MODINV]  = "modinv",
 174         [RTE_CRYPTO_ASYM_XFORM_DH]      = "dh",
 175         [RTE_CRYPTO_ASYM_XFORM_DSA]     = "dsa",
 176         [RTE_CRYPTO_ASYM_XFORM_ECDSA]   = "ecdsa",
 177         [RTE_CRYPTO_ASYM_XFORM_ECPM]    = "ecpm",
 178 };
 179
 180 /**
 181  * Asymmetric crypto operation strings identifiers.
 182  */
 183 const char *rte_crypto_asym_op_strings[] = {
 184         [RTE_CRYPTO_ASYM_OP_ENCRYPT]    = "encrypt",
 185         [RTE_CRYPTO_ASYM_OP_DECRYPT]    = "decrypt",
 186         [RTE_CRYPTO_ASYM_OP_SIGN]       = "sign",
 187         [RTE_CRYPTO_ASYM_OP_VERIFY]     = "verify",
 188         [RTE_CRYPTO_ASYM_OP_PRIVATE_KEY_GENERATE]       = "priv_key_generate",
 189         [RTE_CRYPTO_ASYM_OP_PUBLIC_KEY_GENERATE] = "pub_key_generate",
 190         [RTE_CRYPTO_ASYM_OP_SHARED_SECRET_COMPUTE] = "sharedsecret_compute",
 191 };
 192
 193 /**
 194  * The private data structure stored in the session mempool private data.
 195  */
 196 struct rte_cryptodev_sym_session_pool_private_data {
 197         uint16_t nb_drivers;
 198         /**< number of elements in sess_data array */
 199         uint16_t user_data_sz;
 200         /**< session user data will be placed after sess_data */
 201 };
 202
 203 int
 204 rte_cryptodev_get_cipher_algo_enum(enum rte_crypto_cipher_algorithm *algo_enum,
 205                 const char *algo_string)
 206 {
 207         unsigned int i;
 208
 209         for (i = 1; i < RTE_DIM(rte_crypto_cipher_algorithm_strings); i++) {
 210                 if (strcmp(algo_string, rte_crypto_cipher_algorithm_strings[i]) == 0) {
 211                         *algo_enum = (enum rte_crypto_cipher_algorithm) i;
 212                         return 0;
 213                 }
 214         }
 215
 216         /* Invalid string */
 217         return -1;
 218 }
 219
 220 int
 221 rte_cryptodev_get_auth_algo_enum(enum rte_crypto_auth_algorithm *algo_enum,
 222                 const char *algo_string)
 223 {
 224         unsigned int i;
 225
 226         for (i = 1; i < RTE_DIM(rte_crypto_auth_algorithm_strings); i++) {
 227                 if (strcmp(algo_string, rte_crypto_auth_algorithm_strings[i]) == 0) {
 228                         *algo_enum = (enum rte_crypto_auth_algorithm) i;
 229                         return 0;
 230                 }
 231         }
 232
 233         /* Invalid string */
 234         return -1;
 235 }
 236
 237 int
 238 rte_cryptodev_get_aead_algo_enum(enum rte_crypto_aead_algorithm *algo_enum,
 239                 const char *algo_string)
 240 {
 241         unsigned int i;
 242
 243         for (i = 1; i < RTE_DIM(rte_crypto_aead_algorithm_strings); i++) {
 244                 if (strcmp(algo_string, rte_crypto_aead_algorithm_strings[i]) == 0) {
 245                         *algo_enum = (enum rte_crypto_aead_algorithm) i;
 246                         return 0;
 247                 }
 248         }
 249
 250         /* Invalid string */
 251         return -1;
 252 }
 253
 254 int
 255 rte_cryptodev_asym_get_xform_enum(enum rte_crypto_asym_xform_type *xform_enum,
 256                 const char *xform_string)
 257 {
 258         unsigned int i;
 259
 260         for (i = 1; i < RTE_DIM(rte_crypto_asym_xform_strings); i++) {
 261                 if (strcmp(xform_string,
 262                         rte_crypto_asym_xform_strings[i]) == 0) {
 263                         *xform_enum = (enum rte_crypto_asym_xform_type) i;
 264                         return 0;
 265                 }
 266         }
 267
 268         /* Invalid string */
 269         return -1;
 270 }
 271
 272 /**
 273  * The crypto auth operation strings identifiers.
 274  * It could be used in application command line.
 275  */
 276 const char *
 277 rte_crypto_auth_operation_strings[] = {
 278                 [RTE_CRYPTO_AUTH_OP_VERIFY]     = "verify",
 279                 [RTE_CRYPTO_AUTH_OP_GENERATE]   = "generate"
 280 };
 281
 282 const struct rte_cryptodev_symmetric_capability *
 283 rte_cryptodev_sym_capability_get(uint8_t dev_id,
 284                 const struct rte_cryptodev_sym_capability_idx *idx)
 285 {
 286         const struct rte_cryptodev_capabilities *capability;
 287         struct rte_cryptodev_info dev_info;
 288         int i = 0;
 289
 290         rte_cryptodev_info_get(dev_id, &dev_info);
 291
 292         while ((capability = &dev_info.capabilities[i++])->op !=
 293                         RTE_CRYPTO_OP_TYPE_UNDEFINED) {
 294                 if (capability->op != RTE_CRYPTO_OP_TYPE_SYMMETRIC)
 295                         continue;
 296
 297                 if (capability->sym.xform_type != idx->type)
 298                         continue;
 299
 300                 if (idx->type == RTE_CRYPTO_SYM_XFORM_AUTH &&
 301                         capability->sym.auth.algo == idx->algo.auth)
 302                         return &capability->sym;
 303
 304                 if (idx->type == RTE_CRYPTO_SYM_XFORM_CIPHER &&
 305                         capability->sym.cipher.algo == idx->algo.cipher)
 306                         return &capability->sym;
 307
 308                 if (idx->type == RTE_CRYPTO_SYM_XFORM_AEAD &&
 309                                 capability->sym.aead.algo == idx->algo.aead)
 310                         return &capability->sym;
 311         }
 312
 313         return NULL;
 314 }
 315
 316 static int
 317 param_range_check(uint16_t size, const struct rte_crypto_param_range *range)
 318 {
 319         unsigned int next_size;
 320
 321         /* Check lower/upper bounds */
 322         if (size < range->min)
 323                 return -1;
 324
 325         if (size > range->max)
 326                 return -1;
 327
 328         /* If range is actually only one value, size is correct */
 329         if (range->increment == 0)
 330                 return 0;
 331
 332         /* Check if value is one of the supported sizes */
 333         for (next_size = range->min; next_size <= range->max;
 334                         next_size += range->increment)
 335                 if (size == next_size)
 336                         return 0;
 337
 338         return -1;
 339 }
 340
 341 const struct rte_cryptodev_asymmetric_xform_capability *
 342 rte_cryptodev_asym_capability_get(uint8_t dev_id,
 343                 const struct rte_cryptodev_asym_capability_idx *idx)
 344 {
 345         const struct rte_cryptodev_capabilities *capability;
 346         struct rte_cryptodev_info dev_info;
 347         unsigned int i = 0;
 348
 349         memset(&dev_info, 0, sizeof(struct rte_cryptodev_info));
 350         rte_cryptodev_info_get(dev_id, &dev_info);
 351
 352         while ((capability = &dev_info.capabilities[i++])->op !=
 353                         RTE_CRYPTO_OP_TYPE_UNDEFINED) {
 354                 if (capability->op != RTE_CRYPTO_OP_TYPE_ASYMMETRIC)
 355                         continue;
 356
 357                 if (capability->asym.xform_capa.xform_type == idx->type)
 358                         return &capability->asym.xform_capa;
 359         }
 360         return NULL;
 361 };
 362
 363 int
 364 rte_cryptodev_sym_capability_check_cipher(
 365                 const struct rte_cryptodev_symmetric_capability *capability,
 366                 uint16_t key_size, uint16_t iv_size)
 367 {
 368         if (param_range_check(key_size, &capability->cipher.key_size) != 0)
 369                 return -1;
 370
 371         if (param_range_check(iv_size, &capability->cipher.iv_size) != 0)
 372                 return -1;
 373
 374         return 0;
 375 }
 376
 377 int
 378 rte_cryptodev_sym_capability_check_auth(
 379                 const struct rte_cryptodev_symmetric_capability *capability,
 380                 uint16_t key_size, uint16_t digest_size, uint16_t iv_size)
 381 {
 382         if (param_range_check(key_size, &capability->auth.key_size) != 0)
 383                 return -1;
 384
 385         if (param_range_check(digest_size, &capability->auth.digest_size) != 0)
 386                 return -1;
 387
 388         if (param_range_check(iv_size, &capability->auth.iv_size) != 0)
 389                 return -1;
 390
 391         return 0;
 392 }
 393
 394 int
 395 rte_cryptodev_sym_capability_check_aead(
 396                 const struct rte_cryptodev_symmetric_capability *capability,
 397                 uint16_t key_size, uint16_t digest_size, uint16_t aad_size,
 398                 uint16_t iv_size)
 399 {
 400         if (param_range_check(key_size, &capability->aead.key_size) != 0)
 401                 return -1;
 402
 403         if (param_range_check(digest_size, &capability->aead.digest_size) != 0)
 404                 return -1;
 405
 406         if (param_range_check(aad_size, &capability->aead.aad_size) != 0)
 407                 return -1;
 408
 409         if (param_range_check(iv_size, &capability->aead.iv_size) != 0)
 410                 return -1;
 411
 412         return 0;
 413 }
 414 int
 415 rte_cryptodev_asym_xform_capability_check_optype(
 416         const struct rte_cryptodev_asymmetric_xform_capability *capability,
 417         enum rte_crypto_asym_op_type op_type)
 418 {
 419         if (capability->op_types & (1 << op_type))
 420                 return 1;
 421
 422         return 0;
 423 }
 424
 425 int
 426 rte_cryptodev_asym_xform_capability_check_modlen(
 427         const struct rte_cryptodev_asymmetric_xform_capability *capability,
 428         uint16_t modlen)
 429 {
 430         /* no need to check for limits, if min or max = 0 */
 431         if (capability->modlen.min != 0) {
 432                 if (modlen < capability->modlen.min)
 433                         return -1;
 434         }
 435
 436         if (capability->modlen.max != 0) {
 437                 if (modlen > capability->modlen.max)
 438                         return -1;
 439         }
 440
 441         /* in any case, check if given modlen is module increment */
 442         if (capability->modlen.increment != 0) {
 443                 if (modlen % (capability->modlen.increment))
 444                         return -1;
 445         }
 446
 447         return 0;
 448 }
 449
 450 /* spinlock for crypto device enq callbacks */
 451 static rte_spinlock_t rte_cryptodev_callback_lock = RTE_SPINLOCK_INITIALIZER;
 452
 453 static void
 454 cryptodev_cb_cleanup(struct rte_cryptodev *dev)
 455 {
 456         struct rte_cryptodev_cb_rcu *list;
 457         struct rte_cryptodev_cb *cb, *next;
 458         uint16_t qp_id;
 459
 460         if (dev->enq_cbs == NULL && dev->deq_cbs == NULL)
 461                 return;
 462
 463         for (qp_id = 0; qp_id < dev->data->nb_queue_pairs; qp_id++) {
 464                 list = &dev->enq_cbs[qp_id];
 465                 cb = list->next;
 466                 while (cb != NULL) {
 467                         next = cb->next;
 468                         rte_free(cb);
 469                         cb = next;
 470                 }
 471
 472                 rte_free(list->qsbr);
 473         }
 474
 475         for (qp_id = 0; qp_id < dev->data->nb_queue_pairs; qp_id++) {
 476                 list = &dev->deq_cbs[qp_id];
 477                 cb = list->next;
 478                 while (cb != NULL) {
 479                         next = cb->next;
 480                         rte_free(cb);
 481                         cb = next;
 482                 }
 483
 484                 rte_free(list->qsbr);
 485         }
 486
 487         rte_free(dev->enq_cbs);
 488         dev->enq_cbs = NULL;
 489         rte_free(dev->deq_cbs);
 490         dev->deq_cbs = NULL;
 491 }
 492
 493 static int
 494 cryptodev_cb_init(struct rte_cryptodev *dev)
 495 {
 496         struct rte_cryptodev_cb_rcu *list;
 497         struct rte_rcu_qsbr *qsbr;
 498         uint16_t qp_id;
 499         size_t size;
 500
 501         /* Max thread set to 1, as one DP thread accessing a queue-pair */
 502         const uint32_t max_threads = 1;
 503
 504         dev->enq_cbs = rte_zmalloc(NULL,
 505                                    sizeof(struct rte_cryptodev_cb_rcu) *
 506                                    dev->data->nb_queue_pairs, 0);
 507         if (dev->enq_cbs == NULL) {
 508                 CDEV_LOG_ERR("Failed to allocate memory for enq callbacks");
 509                 return -ENOMEM;
 510         }
 511
 512         dev->deq_cbs = rte_zmalloc(NULL,
 513                                    sizeof(struct rte_cryptodev_cb_rcu) *
 514                                    dev->data->nb_queue_pairs, 0);
 515         if (dev->deq_cbs == NULL) {
 516                 CDEV_LOG_ERR("Failed to allocate memory for deq callbacks");
 517                 rte_free(dev->enq_cbs);
 518                 return -ENOMEM;
 519         }
 520
 521         /* Create RCU QSBR variable */
 522         size = rte_rcu_qsbr_get_memsize(max_threads);
 523
 524         for (qp_id = 0; qp_id < dev->data->nb_queue_pairs; qp_id++) {
 525                 list = &dev->enq_cbs[qp_id];
 526                 qsbr = rte_zmalloc(NULL, size, RTE_CACHE_LINE_SIZE);
 527                 if (qsbr == NULL) {
 528                         CDEV_LOG_ERR("Failed to allocate memory for RCU on "
 529                                 "queue_pair_id=%d", qp_id);
 530                         goto cb_init_err;
 531                 }
 532
 533                 if (rte_rcu_qsbr_init(qsbr, max_threads)) {
 534                         CDEV_LOG_ERR("Failed to initialize for RCU on "
 535                                 "queue_pair_id=%d", qp_id);
 536                         goto cb_init_err;
 537                 }
 538
 539                 list->qsbr = qsbr;
 540         }
 541
 542         for (qp_id = 0; qp_id < dev->data->nb_queue_pairs; qp_id++) {
 543                 list = &dev->deq_cbs[qp_id];
 544                 qsbr = rte_zmalloc(NULL, size, RTE_CACHE_LINE_SIZE);
 545                 if (qsbr == NULL) {
 546                         CDEV_LOG_ERR("Failed to allocate memory for RCU on "
 547                                 "queue_pair_id=%d", qp_id);
 548                         goto cb_init_err;
 549                 }
 550
 551                 if (rte_rcu_qsbr_init(qsbr, max_threads)) {
 552                         CDEV_LOG_ERR("Failed to initialize for RCU on "
 553                                 "queue_pair_id=%d", qp_id);
 554                         goto cb_init_err;
 555                 }
 556
 557                 list->qsbr = qsbr;
 558         }
 559
 560         return 0;
 561
 562 cb_init_err:
 563         cryptodev_cb_cleanup(dev);
 564         return -ENOMEM;
 565 }
 566
 567 const char *
 568 rte_cryptodev_get_feature_name(uint64_t flag)
 569 {
 570         switch (flag) {
 571         case RTE_CRYPTODEV_FF_SYMMETRIC_CRYPTO:
 572                 return "SYMMETRIC_CRYPTO";
 573         case RTE_CRYPTODEV_FF_ASYMMETRIC_CRYPTO:
 574                 return "ASYMMETRIC_CRYPTO";
 575         case RTE_CRYPTODEV_FF_SYM_OPERATION_CHAINING:
 576                 return "SYM_OPERATION_CHAINING";
 577         case RTE_CRYPTODEV_FF_CPU_SSE:
 578                 return "CPU_SSE";
 579         case RTE_CRYPTODEV_FF_CPU_AVX:
 580                 return "CPU_AVX";
 581         case RTE_CRYPTODEV_FF_CPU_AVX2:
 582                 return "CPU_AVX2";
 583         case RTE_CRYPTODEV_FF_CPU_AVX512:
 584                 return "CPU_AVX512";
 585         case RTE_CRYPTODEV_FF_CPU_AESNI:
 586                 return "CPU_AESNI";
 587         case RTE_CRYPTODEV_FF_HW_ACCELERATED:
 588                 return "HW_ACCELERATED";
 589         case RTE_CRYPTODEV_FF_IN_PLACE_SGL:
 590                 return "IN_PLACE_SGL";
 591         case RTE_CRYPTODEV_FF_OOP_SGL_IN_SGL_OUT:
 592                 return "OOP_SGL_IN_SGL_OUT";
 593         case RTE_CRYPTODEV_FF_OOP_SGL_IN_LB_OUT:
 594                 return "OOP_SGL_IN_LB_OUT";
 595         case RTE_CRYPTODEV_FF_OOP_LB_IN_SGL_OUT:
 596                 return "OOP_LB_IN_SGL_OUT";
 597         case RTE_CRYPTODEV_FF_OOP_LB_IN_LB_OUT:
 598                 return "OOP_LB_IN_LB_OUT";
 599         case RTE_CRYPTODEV_FF_CPU_NEON:
 600                 return "CPU_NEON";
 601         case RTE_CRYPTODEV_FF_CPU_ARM_CE:
 602                 return "CPU_ARM_CE";
 603         case RTE_CRYPTODEV_FF_SECURITY:
 604                 return "SECURITY_PROTOCOL";
 605         case RTE_CRYPTODEV_FF_RSA_PRIV_OP_KEY_EXP:
 606                 return "RSA_PRIV_OP_KEY_EXP";
 607         case RTE_CRYPTODEV_FF_RSA_PRIV_OP_KEY_QT:
 608                 return "RSA_PRIV_OP_KEY_QT";
 609         case RTE_CRYPTODEV_FF_DIGEST_ENCRYPTED:
 610                 return "DIGEST_ENCRYPTED";
 611         case RTE_CRYPTODEV_FF_SYM_CPU_CRYPTO:
 612                 return "SYM_CPU_CRYPTO";
 613         case RTE_CRYPTODEV_FF_ASYM_SESSIONLESS:
 614                 return "ASYM_SESSIONLESS";
 615         case RTE_CRYPTODEV_FF_SYM_SESSIONLESS:
 616                 return "SYM_SESSIONLESS";
 617         case RTE_CRYPTODEV_FF_NON_BYTE_ALIGNED_DATA:
 618                 return "NON_BYTE_ALIGNED_DATA";
 619         case RTE_CRYPTODEV_FF_CIPHER_MULTIPLE_DATA_UNITS:
 620                 return "CIPHER_MULTIPLE_DATA_UNITS";
 621         case RTE_CRYPTODEV_FF_CIPHER_WRAPPED_KEY:
 622                 return "CIPHER_WRAPPED_KEY";
 623         default:
 624                 return NULL;
 625         }
 626 }
 627
 628 struct rte_cryptodev *
 629 rte_cryptodev_pmd_get_dev(uint8_t dev_id)
 630 {
 631         return &cryptodev_globals.devs[dev_id];
 632 }
 633
 634 struct rte_cryptodev *
 635 rte_cryptodev_pmd_get_named_dev(const char *name)
 636 {
 637         struct rte_cryptodev *dev;
 638         unsigned int i;
 639
 640         if (name == NULL)
 641                 return NULL;
 642
 643         for (i = 0; i < RTE_CRYPTO_MAX_DEVS; i++) {
 644                 dev = &cryptodev_globals.devs[i];
 645
 646                 if ((dev->attached == RTE_CRYPTODEV_ATTACHED) &&
 647                                 (strcmp(dev->data->name, name) == 0))
 648                         return dev;
 649         }
 650
 651         return NULL;
 652 }
 653
 654 static inline uint8_t
 655 rte_cryptodev_is_valid_device_data(uint8_t dev_id)
 656 {
 657         if (dev_id >= RTE_CRYPTO_MAX_DEVS ||
 658                         rte_crypto_devices[dev_id].data == NULL)
 659                 return 0;
 660
 661         return 1;
 662 }
 663
 664 unsigned int
 665 rte_cryptodev_is_valid_dev(uint8_t dev_id)
 666 {
 667         struct rte_cryptodev *dev = NULL;
 668
 669         if (!rte_cryptodev_is_valid_device_data(dev_id))
 670                 return 0;
 671
 672         dev = rte_cryptodev_pmd_get_dev(dev_id);
 673         if (dev->attached != RTE_CRYPTODEV_ATTACHED)
 674                 return 0;
 675         else
 676                 return 1;
 677 }
 678
 679
 680 int
 681 rte_cryptodev_get_dev_id(const char *name)
 682 {
 683         unsigned i;
 684
 685         if (name == NULL)
 686                 return -1;
 687
 688         for (i = 0; i < RTE_CRYPTO_MAX_DEVS; i++) {
 689                 if (!rte_cryptodev_is_valid_device_data(i))
 690                         continue;
 691                 if ((strcmp(cryptodev_globals.devs[i].data->name, name)
 692                                 == 0) &&
 693                                 (cryptodev_globals.devs[i].attached ==
 694                                                 RTE_CRYPTODEV_ATTACHED))
 695                         return i;
 696         }
 697
 698         return -1;
 699 }
 700
 701 uint8_t
 702 rte_cryptodev_count(void)
 703 {
 704         return cryptodev_globals.nb_devs;
 705 }
 706
 707 uint8_t
 708 rte_cryptodev_device_count_by_driver(uint8_t driver_id)
 709 {
 710         uint8_t i, dev_count = 0;
 711
 712         for (i = 0; i < RTE_CRYPTO_MAX_DEVS; i++)
 713                 if (cryptodev_globals.devs[i].driver_id == driver_id &&
 714                         cryptodev_globals.devs[i].attached ==
 715                                         RTE_CRYPTODEV_ATTACHED)
 716                         dev_count++;
 717
 718         return dev_count;
 719 }
 720
 721 uint8_t
 722 rte_cryptodev_devices_get(const char *driver_name, uint8_t *devices,
 723         uint8_t nb_devices)
 724 {
 725         uint8_t i, count = 0;
 726         struct rte_cryptodev *devs = cryptodev_globals.devs;
 727
 728         for (i = 0; i < RTE_CRYPTO_MAX_DEVS && count < nb_devices; i++) {
 729                 if (!rte_cryptodev_is_valid_device_data(i))
 730                         continue;
 731
 732                 if (devs[i].attached == RTE_CRYPTODEV_ATTACHED) {
 733                         int cmp;
 734
 735                         cmp = strncmp(devs[i].device->driver->name,
 736                                         driver_name,
 737                                         strlen(driver_name) + 1);
 738
 739                         if (cmp == 0)
 740                                 devices[count++] = devs[i].data->dev_id;
 741                 }
 742         }
 743
 744         return count;
 745 }
 746
 747 void *
 748 rte_cryptodev_get_sec_ctx(uint8_t dev_id)
 749 {
 750         if (dev_id < RTE_CRYPTO_MAX_DEVS &&
 751                         (rte_crypto_devices[dev_id].feature_flags &
 752                         RTE_CRYPTODEV_FF_SECURITY))
 753                 return rte_crypto_devices[dev_id].security_ctx;
 754
 755         return NULL;
 756 }
 757
 758 int
 759 rte_cryptodev_socket_id(uint8_t dev_id)
 760 {
 761         struct rte_cryptodev *dev;
 762
 763         if (!rte_cryptodev_is_valid_dev(dev_id))
 764                 return -1;
 765
 766         dev = rte_cryptodev_pmd_get_dev(dev_id);
 767
 768         return dev->data->socket_id;
 769 }
 770
 771 static inline int
 772 rte_cryptodev_data_alloc(uint8_t dev_id, struct rte_cryptodev_data **data,
 773                 int socket_id)
 774 {
 775         char mz_name[RTE_MEMZONE_NAMESIZE];
 776         const struct rte_memzone *mz;
 777         int n;
 778
 779         /* generate memzone name */
 780         n = snprintf(mz_name, sizeof(mz_name), "rte_cryptodev_data_%u", dev_id);
 781         if (n >= (int)sizeof(mz_name))
 782                 return -EINVAL;
 783
 784         if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
 785                 mz = rte_memzone_reserve(mz_name,
 786                                 sizeof(struct rte_cryptodev_data),
 787                                 socket_id, 0);
 788                 CDEV_LOG_DEBUG("PRIMARY:reserved memzone for %s (%p)",
 789                                 mz_name, mz);
 790         } else {
 791                 mz = rte_memzone_lookup(mz_name);
 792                 CDEV_LOG_DEBUG("SECONDARY:looked up memzone for %s (%p)",
 793                                 mz_name, mz);
 794         }
 795
 796         if (mz == NULL)
 797                 return -ENOMEM;
 798
 799         *data = mz->addr;
 800         if (rte_eal_process_type() == RTE_PROC_PRIMARY)
 801                 memset(*data, 0, sizeof(struct rte_cryptodev_data));
 802
 803         return 0;
 804 }
 805
 806 static inline int
 807 rte_cryptodev_data_free(uint8_t dev_id, struct rte_cryptodev_data **data)
 808 {
 809         char mz_name[RTE_MEMZONE_NAMESIZE];
 810         const struct rte_memzone *mz;
 811         int n;
 812
 813         /* generate memzone name */
 814         n = snprintf(mz_name, sizeof(mz_name), "rte_cryptodev_data_%u", dev_id);
 815         if (n >= (int)sizeof(mz_name))
 816                 return -EINVAL;
 817
 818         mz = rte_memzone_lookup(mz_name);
 819         if (mz == NULL)
 820                 return -ENOMEM;
 821
 822         RTE_ASSERT(*data == mz->addr);
 823         *data = NULL;
 824
 825         if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
 826                 CDEV_LOG_DEBUG("PRIMARY:free memzone of %s (%p)",
 827                                 mz_name, mz);
 828                 return rte_memzone_free(mz);
 829         } else {
 830                 CDEV_LOG_DEBUG("SECONDARY:don't free memzone of %s (%p)",
 831                                 mz_name, mz);
 832         }
 833
 834         return 0;
 835 }
 836
 837 static uint8_t
 838 rte_cryptodev_find_free_device_index(void)
 839 {
 840         uint8_t dev_id;
 841
 842         for (dev_id = 0; dev_id < RTE_CRYPTO_MAX_DEVS; dev_id++) {
 843                 if (rte_crypto_devices[dev_id].attached ==
 844                                 RTE_CRYPTODEV_DETACHED)
 845                         return dev_id;
 846         }
 847         return RTE_CRYPTO_MAX_DEVS;
 848 }
 849
 850 struct rte_cryptodev *
 851 rte_cryptodev_pmd_allocate(const char *name, int socket_id)
 852 {
 853         struct rte_cryptodev *cryptodev;
 854         uint8_t dev_id;
 855
 856         if (rte_cryptodev_pmd_get_named_dev(name) != NULL) {
 857                 CDEV_LOG_ERR("Crypto device with name %s already "
 858                                 "allocated!", name);
 859                 return NULL;
 860         }
 861
 862         dev_id = rte_cryptodev_find_free_device_index();
 863         if (dev_id == RTE_CRYPTO_MAX_DEVS) {
 864                 CDEV_LOG_ERR("Reached maximum number of crypto devices");
 865                 return NULL;
 866         }
 867
 868         cryptodev = rte_cryptodev_pmd_get_dev(dev_id);
 869
 870         if (cryptodev->data == NULL) {
 871                 struct rte_cryptodev_data **cryptodev_data =
 872                                 &cryptodev_globals.data[dev_id];
 873
 874                 int retval = rte_cryptodev_data_alloc(dev_id, cryptodev_data,
 875                                 socket_id);
 876
 877                 if (retval < 0 || *cryptodev_data == NULL)
 878                         return NULL;
 879
 880                 cryptodev->data = *cryptodev_data;
 881
 882                 if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
 883                         strlcpy(cryptodev->data->name, name,
 884                                 RTE_CRYPTODEV_NAME_MAX_LEN);
 885
 886                         cryptodev->data->dev_id = dev_id;
 887                         cryptodev->data->socket_id = socket_id;
 888                         cryptodev->data->dev_started = 0;
 889                         CDEV_LOG_DEBUG("PRIMARY:init data");
 890                 }
 891
 892                 CDEV_LOG_DEBUG("Data for %s: dev_id %d, socket %d, started %d",
 893                                 cryptodev->data->name,
 894                                 cryptodev->data->dev_id,
 895                                 cryptodev->data->socket_id,
 896                                 cryptodev->data->dev_started);
 897
 898                 /* init user callbacks */
 899                 TAILQ_INIT(&(cryptodev->link_intr_cbs));
 900
 901                 cryptodev->attached = RTE_CRYPTODEV_ATTACHED;
 902
 903                 cryptodev_globals.nb_devs++;
 904         }
 905
 906         return cryptodev;
 907 }
 908
 909 int
 910 rte_cryptodev_pmd_release_device(struct rte_cryptodev *cryptodev)
 911 {
 912         int ret;
 913         uint8_t dev_id;
 914
 915         if (cryptodev == NULL)
 916                 return -EINVAL;
 917
 918         dev_id = cryptodev->data->dev_id;
 919
 920         /* Close device only if device operations have been set */
 921         if (cryptodev->dev_ops) {
 922                 ret = rte_cryptodev_close(dev_id);
 923                 if (ret < 0)
 924                         return ret;
 925         }
 926
 927         ret = rte_cryptodev_data_free(dev_id, &cryptodev_globals.data[dev_id]);
 928         if (ret < 0)
 929                 return ret;
 930
 931         cryptodev->attached = RTE_CRYPTODEV_DETACHED;
 932         cryptodev_globals.nb_devs--;
 933         return 0;
 934 }
 935
 936 uint16_t
 937 rte_cryptodev_queue_pair_count(uint8_t dev_id)
 938 {
 939         struct rte_cryptodev *dev;
 940
 941         if (!rte_cryptodev_is_valid_device_data(dev_id)) {
 942                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
 943                 return 0;
 944         }
 945
 946         dev = &rte_crypto_devices[dev_id];
 947         return dev->data->nb_queue_pairs;
 948 }
 949
 950 static int
 951 rte_cryptodev_queue_pairs_config(struct rte_cryptodev *dev, uint16_t nb_qpairs,
 952                 int socket_id)
 953 {
 954         struct rte_cryptodev_info dev_info;
 955         void **qp;
 956         unsigned i;
 957
 958         if ((dev == NULL) || (nb_qpairs < 1)) {
 959                 CDEV_LOG_ERR("invalid param: dev %p, nb_queues %u",
 960                                                         dev, nb_qpairs);
 961                 return -EINVAL;
 962         }
 963
 964         CDEV_LOG_DEBUG("Setup %d queues pairs on device %u",
 965                         nb_qpairs, dev->data->dev_id);
 966
 967         memset(&dev_info, 0, sizeof(struct rte_cryptodev_info));
 968
 969         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_infos_get, -ENOTSUP);
 970         (*dev->dev_ops->dev_infos_get)(dev, &dev_info);
 971
 972         if (nb_qpairs > (dev_info.max_nb_queue_pairs)) {
 973                 CDEV_LOG_ERR("Invalid num queue_pairs (%u) for dev %u",
 974                                 nb_qpairs, dev->data->dev_id);
 975             return -EINVAL;
 976         }
 977
 978         if (dev->data->queue_pairs == NULL) { /* first time configuration */
 979                 dev->data->queue_pairs = rte_zmalloc_socket(
 980                                 "cryptodev->queue_pairs",
 981                                 sizeof(dev->data->queue_pairs[0]) * nb_qpairs,
 982                                 RTE_CACHE_LINE_SIZE, socket_id);
 983
 984                 if (dev->data->queue_pairs == NULL) {
 985                         dev->data->nb_queue_pairs = 0;
 986                         CDEV_LOG_ERR("failed to get memory for qp meta data, "
 987                                                         "nb_queues %u",
 988                                                         nb_qpairs);
 989                         return -(ENOMEM);
 990                 }
 991         } else { /* re-configure */
 992                 int ret;
 993                 uint16_t old_nb_queues = dev->data->nb_queue_pairs;
 994
 995                 qp = dev->data->queue_pairs;
 996
 997                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->queue_pair_release,
 998                                 -ENOTSUP);
 999
1000                 for (i = nb_qpairs; i < old_nb_queues; i++) {
1001                         ret = (*dev->dev_ops->queue_pair_release)(dev, i);
1002                         if (ret < 0)
1003                                 return ret;
1004                 }
1005
1006                 qp = rte_realloc(qp, sizeof(qp[0]) * nb_qpairs,
1007                                 RTE_CACHE_LINE_SIZE);
1008                 if (qp == NULL) {
1009                         CDEV_LOG_ERR("failed to realloc qp meta data,"
1010                                                 " nb_queues %u", nb_qpairs);
1011                         return -(ENOMEM);
1012                 }
1013
1014                 if (nb_qpairs > old_nb_queues) {
1015                         uint16_t new_qs = nb_qpairs - old_nb_queues;
1016
1017                         memset(qp + old_nb_queues, 0,
1018                                 sizeof(qp[0]) * new_qs);
1019                 }
1020
1021                 dev->data->queue_pairs = qp;
1022
1023         }
1024         dev->data->nb_queue_pairs = nb_qpairs;
1025         return 0;
1026 }
1027
1028 int
1029 rte_cryptodev_configure(uint8_t dev_id, struct rte_cryptodev_config *config)
1030 {
1031         struct rte_cryptodev *dev;
1032         int diag;
1033
1034         if (!rte_cryptodev_is_valid_dev(dev_id)) {
1035                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
1036                 return -EINVAL;
1037         }
1038
1039         dev = &rte_crypto_devices[dev_id];
1040
1041         if (dev->data->dev_started) {
1042                 CDEV_LOG_ERR(
1043                     "device %d must be stopped to allow configuration", dev_id);
1044                 return -EBUSY;
1045         }
1046
1047         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_configure, -ENOTSUP);
1048
1049         rte_spinlock_lock(&rte_cryptodev_callback_lock);
1050         cryptodev_cb_cleanup(dev);
1051         rte_spinlock_unlock(&rte_cryptodev_callback_lock);
1052
1053         /* Setup new number of queue pairs and reconfigure device. */
1054         diag = rte_cryptodev_queue_pairs_config(dev, config->nb_queue_pairs,
1055                         config->socket_id);
1056         if (diag != 0) {
1057                 CDEV_LOG_ERR("dev%d rte_crypto_dev_queue_pairs_config = %d",
1058                                 dev_id, diag);
1059                 return diag;
1060         }
1061
1062         rte_spinlock_lock(&rte_cryptodev_callback_lock);
1063         diag = cryptodev_cb_init(dev);
1064         rte_spinlock_unlock(&rte_cryptodev_callback_lock);
1065         if (diag) {
1066                 CDEV_LOG_ERR("Callback init failed for dev_id=%d", dev_id);
1067                 return diag;
1068         }
1069
1070         rte_cryptodev_trace_configure(dev_id, config);
1071         return (*dev->dev_ops->dev_configure)(dev, config);
1072 }
1073
1074 int
1075 rte_cryptodev_start(uint8_t dev_id)
1076 {
1077         struct rte_cryptodev *dev;
1078         int diag;
1079
1080         CDEV_LOG_DEBUG("Start dev_id=%" PRIu8, dev_id);
1081
1082         if (!rte_cryptodev_is_valid_dev(dev_id)) {
1083                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
1084                 return -EINVAL;
1085         }
1086
1087         dev = &rte_crypto_devices[dev_id];
1088
1089         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_start, -ENOTSUP);
1090
1091         if (dev->data->dev_started != 0) {
1092                 CDEV_LOG_ERR("Device with dev_id=%" PRIu8 " already started",
1093                         dev_id);
1094                 return 0;
1095         }
1096
1097         diag = (*dev->dev_ops->dev_start)(dev);
1098         rte_cryptodev_trace_start(dev_id, diag);
1099         if (diag == 0)
1100                 dev->data->dev_started = 1;
1101         else
1102                 return diag;
1103
1104         return 0;
1105 }
1106
1107 void
1108 rte_cryptodev_stop(uint8_t dev_id)
1109 {
1110         struct rte_cryptodev *dev;
1111
1112         if (!rte_cryptodev_is_valid_dev(dev_id)) {
1113                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
1114                 return;
1115         }
1116
1117         dev = &rte_crypto_devices[dev_id];
1118
1119         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->dev_stop);
1120
1121         if (dev->data->dev_started == 0) {
1122                 CDEV_LOG_ERR("Device with dev_id=%" PRIu8 " already stopped",
1123                         dev_id);
1124                 return;
1125         }
1126
1127         (*dev->dev_ops->dev_stop)(dev);
1128         rte_cryptodev_trace_stop(dev_id);
1129         dev->data->dev_started = 0;
1130 }
1131
1132 int
1133 rte_cryptodev_close(uint8_t dev_id)
1134 {
1135         struct rte_cryptodev *dev;
1136         int retval;
1137
1138         if (!rte_cryptodev_is_valid_dev(dev_id)) {
1139                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
1140                 return -1;
1141         }
1142
1143         dev = &rte_crypto_devices[dev_id];
1144
1145         /* Device must be stopped before it can be closed */
1146         if (dev->data->dev_started == 1) {
1147                 CDEV_LOG_ERR("Device %u must be stopped before closing",
1148                                 dev_id);
1149                 return -EBUSY;
1150         }
1151
1152         /* We can't close the device if there are outstanding sessions in use */
1153         if (dev->data->session_pool != NULL) {
1154                 if (!rte_mempool_full(dev->data->session_pool)) {
1155                         CDEV_LOG_ERR("dev_id=%u close failed, session mempool "
1156                                         "has sessions still in use, free "
1157                                         "all sessions before calling close",
1158                                         (unsigned)dev_id);
1159                         return -EBUSY;
1160                 }
1161         }
1162
1163         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_close, -ENOTSUP);
1164         retval = (*dev->dev_ops->dev_close)(dev);
1165         rte_cryptodev_trace_close(dev_id, retval);
1166
1167         if (retval < 0)
1168                 return retval;
1169
1170         return 0;
1171 }
1172
1173 int
1174 rte_cryptodev_get_qp_status(uint8_t dev_id, uint16_t queue_pair_id)
1175 {
1176         struct rte_cryptodev *dev;
1177
1178         if (!rte_cryptodev_is_valid_dev(dev_id)) {
1179                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
1180                 return -EINVAL;
1181         }
1182
1183         dev = &rte_crypto_devices[dev_id];
1184         if (queue_pair_id >= dev->data->nb_queue_pairs) {
1185                 CDEV_LOG_ERR("Invalid queue_pair_id=%d", queue_pair_id);
1186                 return -EINVAL;
1187         }
1188         void **qps = dev->data->queue_pairs;
1189
1190         if (qps[queue_pair_id]) {
1191                 CDEV_LOG_DEBUG("qp %d on dev %d is initialised",
1192                         queue_pair_id, dev_id);
1193                 return 1;
1194         }
1195
1196         CDEV_LOG_DEBUG("qp %d on dev %d is not initialised",
1197                 queue_pair_id, dev_id);
1198
1199         return 0;
1200 }
1201
1202 int
1203 rte_cryptodev_queue_pair_setup(uint8_t dev_id, uint16_t queue_pair_id,
1204                 const struct rte_cryptodev_qp_conf *qp_conf, int socket_id)
1205
1206 {
1207         struct rte_cryptodev *dev;
1208
1209         if (!rte_cryptodev_is_valid_dev(dev_id)) {
1210                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
1211                 return -EINVAL;
1212         }
1213
1214         dev = &rte_crypto_devices[dev_id];
1215         if (queue_pair_id >= dev->data->nb_queue_pairs) {
1216                 CDEV_LOG_ERR("Invalid queue_pair_id=%d", queue_pair_id);
1217                 return -EINVAL;
1218         }
1219
1220         if (!qp_conf) {
1221                 CDEV_LOG_ERR("qp_conf cannot be NULL\n");
1222                 return -EINVAL;
1223         }
1224
1225         if ((qp_conf->mp_session && !qp_conf->mp_session_private) ||
1226                         (!qp_conf->mp_session && qp_conf->mp_session_private)) {
1227                 CDEV_LOG_ERR("Invalid mempools\n");
1228                 return -EINVAL;
1229         }
1230
1231         if (qp_conf->mp_session) {
1232                 struct rte_cryptodev_sym_session_pool_private_data *pool_priv;
1233                 uint32_t obj_size = qp_conf->mp_session->elt_size;
1234                 uint32_t obj_priv_size = qp_conf->mp_session_private->elt_size;
1235                 struct rte_cryptodev_sym_session s = {0};
1236
1237                 pool_priv = rte_mempool_get_priv(qp_conf->mp_session);
1238                 if (!pool_priv || qp_conf->mp_session->private_data_size <
1239                                 sizeof(*pool_priv)) {
1240                         CDEV_LOG_ERR("Invalid mempool\n");
1241                         return -EINVAL;
1242                 }
1243
1244                 s.nb_drivers = pool_priv->nb_drivers;
1245                 s.user_data_sz = pool_priv->user_data_sz;
1246
1247                 if ((rte_cryptodev_sym_get_existing_header_session_size(&s) >
1248                         obj_size) || (s.nb_drivers <= dev->driver_id) ||
1249                         rte_cryptodev_sym_get_private_session_size(dev_id) >
1250                                 obj_priv_size) {
1251                         CDEV_LOG_ERR("Invalid mempool\n");
1252                         return -EINVAL;
1253                 }
1254         }
1255
1256         if (dev->data->dev_started) {
1257                 CDEV_LOG_ERR(
1258                     "device %d must be stopped to allow configuration", dev_id);
1259                 return -EBUSY;
1260         }
1261
1262         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->queue_pair_setup, -ENOTSUP);
1263
1264         rte_cryptodev_trace_queue_pair_setup(dev_id, queue_pair_id, qp_conf);
1265         return (*dev->dev_ops->queue_pair_setup)(dev, queue_pair_id, qp_conf,
1266                         socket_id);
1267 }
1268
1269 struct rte_cryptodev_cb *
1270 rte_cryptodev_add_enq_callback(uint8_t dev_id,
1271                                uint16_t qp_id,
1272                                rte_cryptodev_callback_fn cb_fn,
1273                                void *cb_arg)
1274 {
1275         struct rte_cryptodev *dev;
1276         struct rte_cryptodev_cb_rcu *list;
1277         struct rte_cryptodev_cb *cb, *tail;
1278
1279         if (!cb_fn) {
1280                 CDEV_LOG_ERR("Callback is NULL on dev_id=%d", dev_id);
1281                 rte_errno = EINVAL;
1282                 return NULL;
1283         }
1284
1285         if (!rte_cryptodev_is_valid_dev(dev_id)) {
1286                 CDEV_LOG_ERR("Invalid dev_id=%d", dev_id);
1287                 rte_errno = ENODEV;
1288                 return NULL;
1289         }
1290
1291         dev = &rte_crypto_devices[dev_id];
1292         if (qp_id >= dev->data->nb_queue_pairs) {
1293                 CDEV_LOG_ERR("Invalid queue_pair_id=%d", qp_id);
1294                 rte_errno = ENODEV;
1295                 return NULL;
1296         }
1297
1298         cb = rte_zmalloc(NULL, sizeof(*cb), 0);
1299         if (cb == NULL) {
1300                 CDEV_LOG_ERR("Failed to allocate memory for callback on "
1301                              "dev=%d, queue_pair_id=%d", dev_id, qp_id);
1302                 rte_errno = ENOMEM;
1303                 return NULL;
1304         }
1305
1306         rte_spinlock_lock(&rte_cryptodev_callback_lock);
1307
1308         cb->fn = cb_fn;
1309         cb->arg = cb_arg;
1310
1311         /* Add the callbacks in fifo order. */
1312         list = &dev->enq_cbs[qp_id];
1313         tail = list->next;
1314
1315         if (tail) {
1316                 while (tail->next)
1317                         tail = tail->next;
1318                 /* Stores to cb->fn and cb->param should complete before
1319                  * cb is visible to data plane.
1320                  */
1321                 __atomic_store_n(&tail->next, cb, __ATOMIC_RELEASE);
1322         } else {
1323                 /* Stores to cb->fn and cb->param should complete before
1324                  * cb is visible to data plane.
1325                  */
1326                 __atomic_store_n(&list->next, cb, __ATOMIC_RELEASE);
1327         }
1328
1329         rte_spinlock_unlock(&rte_cryptodev_callback_lock);
1330
1331         return cb;
1332 }
1333
1334 int
1335 rte_cryptodev_remove_enq_callback(uint8_t dev_id,
1336                                   uint16_t qp_id,
1337                                   struct rte_cryptodev_cb *cb)
1338 {
1339         struct rte_cryptodev *dev;
1340         struct rte_cryptodev_cb **prev_cb, *curr_cb;
1341         struct rte_cryptodev_cb_rcu *list;
1342         int ret;
1343
1344         ret = -EINVAL;
1345
1346         if (!cb) {
1347                 CDEV_LOG_ERR("Callback is NULL");
1348                 return -EINVAL;
1349         }
1350
1351         if (!rte_cryptodev_is_valid_dev(dev_id)) {
1352                 CDEV_LOG_ERR("Invalid dev_id=%d", dev_id);
1353                 return -ENODEV;
1354         }
1355
1356         dev = &rte_crypto_devices[dev_id];
1357         if (qp_id >= dev->data->nb_queue_pairs) {
1358                 CDEV_LOG_ERR("Invalid queue_pair_id=%d", qp_id);
1359                 return -ENODEV;
1360         }
1361
1362         rte_spinlock_lock(&rte_cryptodev_callback_lock);
1363         if (dev->enq_cbs == NULL) {
1364                 CDEV_LOG_ERR("Callback not initialized");
1365                 goto cb_err;
1366         }
1367
1368         list = &dev->enq_cbs[qp_id];
1369         if (list == NULL) {
1370                 CDEV_LOG_ERR("Callback list is NULL");
1371                 goto cb_err;
1372         }
1373
1374         if (list->qsbr == NULL) {
1375                 CDEV_LOG_ERR("Rcu qsbr is NULL");
1376                 goto cb_err;
1377         }
1378
1379         prev_cb = &list->next;
1380         for (; *prev_cb != NULL; prev_cb = &curr_cb->next) {
1381                 curr_cb = *prev_cb;
1382                 if (curr_cb == cb) {
1383                         /* Remove the user cb from the callback list. */
1384                         __atomic_store_n(prev_cb, curr_cb->next,
1385                                 __ATOMIC_RELAXED);
1386                         ret = 0;
1387                         break;
1388                 }
1389         }
1390
1391         if (!ret) {
1392                 /* Call sync with invalid thread id as this is part of
1393                  * control plane API
1394                  */
1395                 rte_rcu_qsbr_synchronize(list->qsbr, RTE_QSBR_THRID_INVALID);
1396                 rte_free(cb);
1397         }
1398
1399 cb_err:
1400         rte_spinlock_unlock(&rte_cryptodev_callback_lock);
1401         return ret;
1402 }
1403
1404 struct rte_cryptodev_cb *
1405 rte_cryptodev_add_deq_callback(uint8_t dev_id,
1406                                uint16_t qp_id,
1407                                rte_cryptodev_callback_fn cb_fn,
1408                                void *cb_arg)
1409 {
1410         struct rte_cryptodev *dev;
1411         struct rte_cryptodev_cb_rcu *list;
1412         struct rte_cryptodev_cb *cb, *tail;
1413
1414         if (!cb_fn) {
1415                 CDEV_LOG_ERR("Callback is NULL on dev_id=%d", dev_id);
1416                 rte_errno = EINVAL;
1417                 return NULL;
1418         }
1419
1420         if (!rte_cryptodev_is_valid_dev(dev_id)) {
1421                 CDEV_LOG_ERR("Invalid dev_id=%d", dev_id);
1422                 rte_errno = ENODEV;
1423                 return NULL;
1424         }
1425
1426         dev = &rte_crypto_devices[dev_id];
1427         if (qp_id >= dev->data->nb_queue_pairs) {
1428                 CDEV_LOG_ERR("Invalid queue_pair_id=%d", qp_id);
1429                 rte_errno = ENODEV;
1430                 return NULL;
1431         }
1432
1433         cb = rte_zmalloc(NULL, sizeof(*cb), 0);
1434         if (cb == NULL) {
1435                 CDEV_LOG_ERR("Failed to allocate memory for callback on "
1436                              "dev=%d, queue_pair_id=%d", dev_id, qp_id);
1437                 rte_errno = ENOMEM;
1438                 return NULL;
1439         }
1440
1441         rte_spinlock_lock(&rte_cryptodev_callback_lock);
1442
1443         cb->fn = cb_fn;
1444         cb->arg = cb_arg;
1445
1446         /* Add the callbacks in fifo order. */
1447         list = &dev->deq_cbs[qp_id];
1448         tail = list->next;
1449
1450         if (tail) {
1451                 while (tail->next)
1452                         tail = tail->next;
1453                 /* Stores to cb->fn and cb->param should complete before
1454                  * cb is visible to data plane.
1455                  */
1456                 __atomic_store_n(&tail->next, cb, __ATOMIC_RELEASE);
1457         } else {
1458                 /* Stores to cb->fn and cb->param should complete before
1459                  * cb is visible to data plane.
1460                  */
1461                 __atomic_store_n(&list->next, cb, __ATOMIC_RELEASE);
1462         }
1463
1464         rte_spinlock_unlock(&rte_cryptodev_callback_lock);
1465
1466         return cb;
1467 }
1468
1469 int
1470 rte_cryptodev_remove_deq_callback(uint8_t dev_id,
1471                                   uint16_t qp_id,
1472                                   struct rte_cryptodev_cb *cb)
1473 {
1474         struct rte_cryptodev *dev;
1475         struct rte_cryptodev_cb **prev_cb, *curr_cb;
1476         struct rte_cryptodev_cb_rcu *list;
1477         int ret;
1478
1479         ret = -EINVAL;
1480
1481         if (!cb) {
1482                 CDEV_LOG_ERR("Callback is NULL");
1483                 return -EINVAL;
1484         }
1485
1486         if (!rte_cryptodev_is_valid_dev(dev_id)) {
1487                 CDEV_LOG_ERR("Invalid dev_id=%d", dev_id);
1488                 return -ENODEV;
1489         }
1490
1491         dev = &rte_crypto_devices[dev_id];
1492         if (qp_id >= dev->data->nb_queue_pairs) {
1493                 CDEV_LOG_ERR("Invalid queue_pair_id=%d", qp_id);
1494                 return -ENODEV;
1495         }
1496
1497         rte_spinlock_lock(&rte_cryptodev_callback_lock);
1498         if (dev->enq_cbs == NULL) {
1499                 CDEV_LOG_ERR("Callback not initialized");
1500                 goto cb_err;
1501         }
1502
1503         list = &dev->deq_cbs[qp_id];
1504         if (list == NULL) {
1505                 CDEV_LOG_ERR("Callback list is NULL");
1506                 goto cb_err;
1507         }
1508
1509         if (list->qsbr == NULL) {
1510                 CDEV_LOG_ERR("Rcu qsbr is NULL");
1511                 goto cb_err;
1512         }
1513
1514         prev_cb = &list->next;
1515         for (; *prev_cb != NULL; prev_cb = &curr_cb->next) {
1516                 curr_cb = *prev_cb;
1517                 if (curr_cb == cb) {
1518                         /* Remove the user cb from the callback list. */
1519                         __atomic_store_n(prev_cb, curr_cb->next,
1520                                 __ATOMIC_RELAXED);
1521                         ret = 0;
1522                         break;
1523                 }
1524         }
1525
1526         if (!ret) {
1527                 /* Call sync with invalid thread id as this is part of
1528                  * control plane API
1529                  */
1530                 rte_rcu_qsbr_synchronize(list->qsbr, RTE_QSBR_THRID_INVALID);
1531                 rte_free(cb);
1532         }
1533
1534 cb_err:
1535         rte_spinlock_unlock(&rte_cryptodev_callback_lock);
1536         return ret;
1537 }
1538
1539 int
1540 rte_cryptodev_stats_get(uint8_t dev_id, struct rte_cryptodev_stats *stats)
1541 {
1542         struct rte_cryptodev *dev;
1543
1544         if (!rte_cryptodev_is_valid_dev(dev_id)) {
1545                 CDEV_LOG_ERR("Invalid dev_id=%d", dev_id);
1546                 return -ENODEV;
1547         }
1548
1549         if (stats == NULL) {
1550                 CDEV_LOG_ERR("Invalid stats ptr");
1551                 return -EINVAL;
1552         }
1553
1554         dev = &rte_crypto_devices[dev_id];
1555         memset(stats, 0, sizeof(*stats));
1556
1557         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->stats_get, -ENOTSUP);
1558         (*dev->dev_ops->stats_get)(dev, stats);
1559         return 0;
1560 }
1561
1562 void
1563 rte_cryptodev_stats_reset(uint8_t dev_id)
1564 {
1565         struct rte_cryptodev *dev;
1566
1567         if (!rte_cryptodev_is_valid_dev(dev_id)) {
1568                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
1569                 return;
1570         }
1571
1572         dev = &rte_crypto_devices[dev_id];
1573
1574         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->stats_reset);
1575         (*dev->dev_ops->stats_reset)(dev);
1576 }
1577
1578 void
1579 rte_cryptodev_info_get(uint8_t dev_id, struct rte_cryptodev_info *dev_info)
1580 {
1581         struct rte_cryptodev *dev;
1582
1583         if (!rte_cryptodev_is_valid_dev(dev_id)) {
1584                 CDEV_LOG_ERR("Invalid dev_id=%d", dev_id);
1585                 return;
1586         }
1587
1588         dev = &rte_crypto_devices[dev_id];
1589
1590         memset(dev_info, 0, sizeof(struct rte_cryptodev_info));
1591
1592         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->dev_infos_get);
1593         (*dev->dev_ops->dev_infos_get)(dev, dev_info);
1594
1595         dev_info->driver_name = dev->device->driver->name;
1596         dev_info->device = dev->device;
1597 }
1598
1599 int
1600 rte_cryptodev_callback_register(uint8_t dev_id,
1601                         enum rte_cryptodev_event_type event,
1602                         rte_cryptodev_cb_fn cb_fn, void *cb_arg)
1603 {
1604         struct rte_cryptodev *dev;
1605         struct rte_cryptodev_callback *user_cb;
1606
1607         if (!cb_fn)
1608                 return -EINVAL;
1609
1610         if (!rte_cryptodev_is_valid_dev(dev_id)) {
1611                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
1612                 return -EINVAL;
1613         }
1614
1615         dev = &rte_crypto_devices[dev_id];
1616         rte_spinlock_lock(&rte_cryptodev_cb_lock);
1617
1618         TAILQ_FOREACH(user_cb, &(dev->link_intr_cbs), next) {
1619                 if (user_cb->cb_fn == cb_fn &&
1620                         user_cb->cb_arg == cb_arg &&
1621                         user_cb->event == event) {
1622                         break;
1623                 }
1624         }
1625
1626         /* create a new callback. */
1627         if (user_cb == NULL) {
1628                 user_cb = rte_zmalloc("INTR_USER_CALLBACK",
1629                                 sizeof(struct rte_cryptodev_callback), 0);
1630                 if (user_cb != NULL) {
1631                         user_cb->cb_fn = cb_fn;
1632                         user_cb->cb_arg = cb_arg;
1633                         user_cb->event = event;
1634                         TAILQ_INSERT_TAIL(&(dev->link_intr_cbs), user_cb, next);
1635                 }
1636         }
1637
1638         rte_spinlock_unlock(&rte_cryptodev_cb_lock);
1639         return (user_cb == NULL) ? -ENOMEM : 0;
1640 }
1641
1642 int
1643 rte_cryptodev_callback_unregister(uint8_t dev_id,
1644                         enum rte_cryptodev_event_type event,
1645                         rte_cryptodev_cb_fn cb_fn, void *cb_arg)
1646 {
1647         int ret;
1648         struct rte_cryptodev *dev;
1649         struct rte_cryptodev_callback *cb, *next;
1650
1651         if (!cb_fn)
1652                 return -EINVAL;
1653
1654         if (!rte_cryptodev_is_valid_dev(dev_id)) {
1655                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
1656                 return -EINVAL;
1657         }
1658
1659         dev = &rte_crypto_devices[dev_id];
1660         rte_spinlock_lock(&rte_cryptodev_cb_lock);
1661
1662         ret = 0;
1663         for (cb = TAILQ_FIRST(&dev->link_intr_cbs); cb != NULL; cb = next) {
1664
1665                 next = TAILQ_NEXT(cb, next);
1666
1667                 if (cb->cb_fn != cb_fn || cb->event != event ||
1668                                 (cb->cb_arg != (void *)-1 &&
1669                                 cb->cb_arg != cb_arg))
1670                         continue;
1671
1672                 /*
1673                  * if this callback is not executing right now,
1674                  * then remove it.
1675                  */
1676                 if (cb->active == 0) {
1677                         TAILQ_REMOVE(&(dev->link_intr_cbs), cb, next);
1678                         rte_free(cb);
1679                 } else {
1680                         ret = -EAGAIN;
1681                 }
1682         }
1683
1684         rte_spinlock_unlock(&rte_cryptodev_cb_lock);
1685         return ret;
1686 }
1687
1688 void
1689 rte_cryptodev_pmd_callback_process(struct rte_cryptodev *dev,
1690         enum rte_cryptodev_event_type event)
1691 {
1692         struct rte_cryptodev_callback *cb_lst;
1693         struct rte_cryptodev_callback dev_cb;
1694
1695         rte_spinlock_lock(&rte_cryptodev_cb_lock);
1696         TAILQ_FOREACH(cb_lst, &(dev->link_intr_cbs), next) {
1697                 if (cb_lst->cb_fn == NULL || cb_lst->event != event)
1698                         continue;
1699                 dev_cb = *cb_lst;
1700                 cb_lst->active = 1;
1701                 rte_spinlock_unlock(&rte_cryptodev_cb_lock);
1702                 dev_cb.cb_fn(dev->data->dev_id, dev_cb.event,
1703                                                 dev_cb.cb_arg);
1704                 rte_spinlock_lock(&rte_cryptodev_cb_lock);
1705                 cb_lst->active = 0;
1706         }
1707         rte_spinlock_unlock(&rte_cryptodev_cb_lock);
1708 }
1709
1710 int
1711 rte_cryptodev_sym_session_init(uint8_t dev_id,
1712                 struct rte_cryptodev_sym_session *sess,
1713                 struct rte_crypto_sym_xform *xforms,
1714                 struct rte_mempool *mp)
1715 {
1716         struct rte_cryptodev *dev;
1717         uint32_t sess_priv_sz = rte_cryptodev_sym_get_private_session_size(
1718                         dev_id);
1719         uint8_t index;
1720         int ret;
1721
1722         if (!rte_cryptodev_is_valid_dev(dev_id)) {
1723                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
1724                 return -EINVAL;
1725         }
1726
1727         dev = rte_cryptodev_pmd_get_dev(dev_id);
1728
1729         if (sess == NULL || xforms == NULL || dev == NULL || mp == NULL)
1730                 return -EINVAL;
1731
1732         if (mp->elt_size < sess_priv_sz)
1733                 return -EINVAL;
1734
1735         index = dev->driver_id;
1736         if (index >= sess->nb_drivers)
1737                 return -EINVAL;
1738
1739         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->sym_session_configure, -ENOTSUP);
1740
1741         if (sess->sess_data[index].refcnt == 0) {
1742                 ret = dev->dev_ops->sym_session_configure(dev, xforms,
1743                                                         sess, mp);
1744                 if (ret < 0) {
1745                         CDEV_LOG_ERR(
1746                                 "dev_id %d failed to configure session details",
1747                                 dev_id);
1748                         return ret;
1749                 }
1750         }
1751
1752         rte_cryptodev_trace_sym_session_init(dev_id, sess, xforms, mp);
1753         sess->sess_data[index].refcnt++;
1754         return 0;
1755 }
1756
1757 int
1758 rte_cryptodev_asym_session_init(uint8_t dev_id,
1759                 struct rte_cryptodev_asym_session *sess,
1760                 struct rte_crypto_asym_xform *xforms,
1761                 struct rte_mempool *mp)
1762 {
1763         struct rte_cryptodev *dev;
1764         uint8_t index;
1765         int ret;
1766
1767         if (!rte_cryptodev_is_valid_dev(dev_id)) {
1768                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
1769                 return -EINVAL;
1770         }
1771
1772         dev = rte_cryptodev_pmd_get_dev(dev_id);
1773
1774         if (sess == NULL || xforms == NULL || dev == NULL)
1775                 return -EINVAL;
1776
1777         index = dev->driver_id;
1778
1779         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->asym_session_configure,
1780                                 -ENOTSUP);
1781
1782         if (sess->sess_private_data[index] == NULL) {
1783                 ret = dev->dev_ops->asym_session_configure(dev,
1784                                                         xforms,
1785                                                         sess, mp);
1786                 if (ret < 0) {
1787                         CDEV_LOG_ERR(
1788                                 "dev_id %d failed to configure session details",
1789                                 dev_id);
1790                         return ret;
1791                 }
1792         }
1793
1794         rte_cryptodev_trace_asym_session_init(dev_id, sess, xforms, mp);
1795         return 0;
1796 }
1797
1798 struct rte_mempool *
1799 rte_cryptodev_sym_session_pool_create(const char *name, uint32_t nb_elts,
1800         uint32_t elt_size, uint32_t cache_size, uint16_t user_data_size,
1801         int socket_id)
1802 {
1803         struct rte_mempool *mp;
1804         struct rte_cryptodev_sym_session_pool_private_data *pool_priv;
1805         uint32_t obj_sz;
1806
1807         obj_sz = rte_cryptodev_sym_get_header_session_size() + user_data_size;
1808         if (obj_sz > elt_size)
1809                 CDEV_LOG_INFO("elt_size %u is expanded to %u\n", elt_size,
1810                                 obj_sz);
1811         else
1812                 obj_sz = elt_size;
1813
1814         mp = rte_mempool_create(name, nb_elts, obj_sz, cache_size,
1815                         (uint32_t)(sizeof(*pool_priv)),
1816                         NULL, NULL, NULL, NULL,
1817                         socket_id, 0);
1818         if (mp == NULL) {
1819                 CDEV_LOG_ERR("%s(name=%s) failed, rte_errno=%d\n",
1820                         __func__, name, rte_errno);
1821                 return NULL;
1822         }
1823
1824         pool_priv = rte_mempool_get_priv(mp);
1825         if (!pool_priv) {
1826                 CDEV_LOG_ERR("%s(name=%s) failed to get private data\n",
1827                         __func__, name);
1828                 rte_mempool_free(mp);
1829                 return NULL;
1830         }
1831
1832         pool_priv->nb_drivers = nb_drivers;
1833         pool_priv->user_data_sz = user_data_size;
1834
1835         rte_cryptodev_trace_sym_session_pool_create(name, nb_elts,
1836                 elt_size, cache_size, user_data_size, mp);
1837         return mp;
1838 }
1839
1840 static unsigned int
1841 rte_cryptodev_sym_session_data_size(struct rte_cryptodev_sym_session *sess)
1842 {
1843         return (sizeof(sess->sess_data[0]) * sess->nb_drivers) +
1844                         sess->user_data_sz;
1845 }
1846
1847 static uint8_t
1848 rte_cryptodev_sym_is_valid_session_pool(struct rte_mempool *mp)
1849 {
1850         struct rte_cryptodev_sym_session_pool_private_data *pool_priv;
1851
1852         if (!mp)
1853                 return 0;
1854
1855         pool_priv = rte_mempool_get_priv(mp);
1856
1857         if (!pool_priv || mp->private_data_size < sizeof(*pool_priv) ||
1858                         pool_priv->nb_drivers != nb_drivers ||
1859                         mp->elt_size <
1860                                 rte_cryptodev_sym_get_header_session_size()
1861                                 + pool_priv->user_data_sz)
1862                 return 0;
1863
1864         return 1;
1865 }
1866
1867 struct rte_cryptodev_sym_session *
1868 rte_cryptodev_sym_session_create(struct rte_mempool *mp)
1869 {
1870         struct rte_cryptodev_sym_session *sess;
1871         struct rte_cryptodev_sym_session_pool_private_data *pool_priv;
1872
1873         if (!rte_cryptodev_sym_is_valid_session_pool(mp)) {
1874                 CDEV_LOG_ERR("Invalid mempool\n");
1875                 return NULL;
1876         }
1877
1878         pool_priv = rte_mempool_get_priv(mp);
1879
1880         /* Allocate a session structure from the session pool */
1881         if (rte_mempool_get(mp, (void **)&sess)) {
1882                 CDEV_LOG_ERR("couldn't get object from session mempool");
1883                 return NULL;
1884         }
1885
1886         sess->nb_drivers = pool_priv->nb_drivers;
1887         sess->user_data_sz = pool_priv->user_data_sz;
1888         sess->opaque_data = 0;
1889
1890         /* Clear device session pointer.
1891          * Include the flag indicating presence of user data
1892          */
1893         memset(sess->sess_data, 0,
1894                         rte_cryptodev_sym_session_data_size(sess));
1895
1896         rte_cryptodev_trace_sym_session_create(mp, sess);
1897         return sess;
1898 }
1899
1900 struct rte_cryptodev_asym_session *
1901 rte_cryptodev_asym_session_create(struct rte_mempool *mp)
1902 {
1903         struct rte_cryptodev_asym_session *sess;
1904         unsigned int session_size =
1905                         rte_cryptodev_asym_get_header_session_size();
1906
1907         if (!mp) {
1908                 CDEV_LOG_ERR("invalid mempool\n");
1909                 return NULL;
1910         }
1911
1912         /* Verify if provided mempool can hold elements big enough. */
1913         if (mp->elt_size < session_size) {
1914                 CDEV_LOG_ERR(
1915                         "mempool elements too small to hold session objects");
1916                 return NULL;
1917         }
1918
1919         /* Allocate a session structure from the session pool */
1920         if (rte_mempool_get(mp, (void **)&sess)) {
1921                 CDEV_LOG_ERR("couldn't get object from session mempool");
1922                 return NULL;
1923         }
1924
1925         /* Clear device session pointer.
1926          * Include the flag indicating presence of private data
1927          */
1928         memset(sess, 0, session_size);
1929
1930         rte_cryptodev_trace_asym_session_create(mp, sess);
1931         return sess;
1932 }
1933
1934 int
1935 rte_cryptodev_sym_session_clear(uint8_t dev_id,
1936                 struct rte_cryptodev_sym_session *sess)
1937 {
1938         struct rte_cryptodev *dev;
1939         uint8_t driver_id;
1940
1941         if (!rte_cryptodev_is_valid_dev(dev_id)) {
1942                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
1943                 return -EINVAL;
1944         }
1945
1946         dev = rte_cryptodev_pmd_get_dev(dev_id);
1947
1948         if (dev == NULL || sess == NULL)
1949                 return -EINVAL;
1950
1951         driver_id = dev->driver_id;
1952         if (sess->sess_data[driver_id].refcnt == 0)
1953                 return 0;
1954         if (--sess->sess_data[driver_id].refcnt != 0)
1955                 return -EBUSY;
1956
1957         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->sym_session_clear, -ENOTSUP);
1958
1959         dev->dev_ops->sym_session_clear(dev, sess);
1960
1961         rte_cryptodev_trace_sym_session_clear(dev_id, sess);
1962         return 0;
1963 }
1964
1965 int
1966 rte_cryptodev_asym_session_clear(uint8_t dev_id,
1967                 struct rte_cryptodev_asym_session *sess)
1968 {
1969         struct rte_cryptodev *dev;
1970
1971         if (!rte_cryptodev_is_valid_dev(dev_id)) {
1972                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
1973                 return -EINVAL;
1974         }
1975
1976         dev = rte_cryptodev_pmd_get_dev(dev_id);
1977
1978         if (dev == NULL || sess == NULL)
1979                 return -EINVAL;
1980
1981         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->asym_session_clear, -ENOTSUP);
1982
1983         dev->dev_ops->asym_session_clear(dev, sess);
1984
1985         rte_cryptodev_trace_sym_session_clear(dev_id, sess);
1986         return 0;
1987 }
1988
1989 int
1990 rte_cryptodev_sym_session_free(struct rte_cryptodev_sym_session *sess)
1991 {
1992         uint8_t i;
1993         struct rte_mempool *sess_mp;
1994
1995         if (sess == NULL)
1996                 return -EINVAL;
1997
1998         /* Check that all device private data has been freed */
1999         for (i = 0; i < sess->nb_drivers; i++) {
2000                 if (sess->sess_data[i].refcnt != 0)
2001                         return -EBUSY;
2002         }
2003
2004         /* Return session to mempool */
2005         sess_mp = rte_mempool_from_obj(sess);
2006         rte_mempool_put(sess_mp, sess);
2007
2008         rte_cryptodev_trace_sym_session_free(sess);
2009         return 0;
2010 }
2011
2012 int
2013 rte_cryptodev_asym_session_free(struct rte_cryptodev_asym_session *sess)
2014 {
2015         uint8_t i;
2016         void *sess_priv;
2017         struct rte_mempool *sess_mp;
2018
2019         if (sess == NULL)
2020                 return -EINVAL;
2021
2022         /* Check that all device private data has been freed */
2023         for (i = 0; i < nb_drivers; i++) {
2024                 sess_priv = get_asym_session_private_data(sess, i);
2025                 if (sess_priv != NULL)
2026                         return -EBUSY;
2027         }
2028
2029         /* Return session to mempool */
2030         sess_mp = rte_mempool_from_obj(sess);
2031         rte_mempool_put(sess_mp, sess);
2032
2033         rte_cryptodev_trace_asym_session_free(sess);
2034         return 0;
2035 }
2036
2037 unsigned int
2038 rte_cryptodev_sym_get_header_session_size(void)
2039 {
2040         /*
2041          * Header contains pointers to the private data of all registered
2042          * drivers and all necessary information to ensure safely clear
2043          * or free al session.
2044          */
2045         struct rte_cryptodev_sym_session s = {0};
2046
2047         s.nb_drivers = nb_drivers;
2048
2049         return (unsigned int)(sizeof(s) +
2050                         rte_cryptodev_sym_session_data_size(&s));
2051 }
2052
2053 unsigned int
2054 rte_cryptodev_sym_get_existing_header_session_size(
2055                 struct rte_cryptodev_sym_session *sess)
2056 {
2057         if (!sess)
2058                 return 0;
2059         else
2060                 return (unsigned int)(sizeof(*sess) +
2061                                 rte_cryptodev_sym_session_data_size(sess));
2062 }
2063
2064 unsigned int
2065 rte_cryptodev_asym_get_header_session_size(void)
2066 {
2067         /*
2068          * Header contains pointers to the private data
2069          * of all registered drivers, and a flag which
2070          * indicates presence of private data
2071          */
2072         return ((sizeof(void *) * nb_drivers) + sizeof(uint8_t));
2073 }
2074
2075 unsigned int
2076 rte_cryptodev_sym_get_private_session_size(uint8_t dev_id)
2077 {
2078         struct rte_cryptodev *dev;
2079         unsigned int priv_sess_size;
2080
2081         if (!rte_cryptodev_is_valid_dev(dev_id))
2082                 return 0;
2083
2084         dev = rte_cryptodev_pmd_get_dev(dev_id);
2085
2086         if (*dev->dev_ops->sym_session_get_size == NULL)
2087                 return 0;
2088
2089         priv_sess_size = (*dev->dev_ops->sym_session_get_size)(dev);
2090
2091         return priv_sess_size;
2092 }
2093
2094 unsigned int
2095 rte_cryptodev_asym_get_private_session_size(uint8_t dev_id)
2096 {
2097         struct rte_cryptodev *dev;
2098         unsigned int header_size = sizeof(void *) * nb_drivers;
2099         unsigned int priv_sess_size;
2100
2101         if (!rte_cryptodev_is_valid_dev(dev_id))
2102                 return 0;
2103
2104         dev = rte_cryptodev_pmd_get_dev(dev_id);
2105
2106         if (*dev->dev_ops->asym_session_get_size == NULL)
2107                 return 0;
2108
2109         priv_sess_size = (*dev->dev_ops->asym_session_get_size)(dev);
2110         if (priv_sess_size < header_size)
2111                 return header_size;
2112
2113         return priv_sess_size;
2114
2115 }
2116
2117 int
2118 rte_cryptodev_sym_session_set_user_data(
2119                                         struct rte_cryptodev_sym_session *sess,
2120                                         void *data,
2121                                         uint16_t size)
2122 {
2123         if (sess == NULL)
2124                 return -EINVAL;
2125
2126         if (sess->user_data_sz < size)
2127                 return -ENOMEM;
2128
2129         rte_memcpy(sess->sess_data + sess->nb_drivers, data, size);
2130         return 0;
2131 }
2132
2133 void *
2134 rte_cryptodev_sym_session_get_user_data(
2135                                         struct rte_cryptodev_sym_session *sess)
2136 {
2137         if (sess == NULL || sess->user_data_sz == 0)
2138                 return NULL;
2139
2140         return (void *)(sess->sess_data + sess->nb_drivers);
2141 }
2142
2143 static inline void
2144 sym_crypto_fill_status(struct rte_crypto_sym_vec *vec, int32_t errnum)
2145 {
2146         uint32_t i;
2147         for (i = 0; i < vec->num; i++)
2148                 vec->status[i] = errnum;
2149 }
2150
2151 uint32_t
2152 rte_cryptodev_sym_cpu_crypto_process(uint8_t dev_id,
2153         struct rte_cryptodev_sym_session *sess, union rte_crypto_sym_ofs ofs,
2154         struct rte_crypto_sym_vec *vec)
2155 {
2156         struct rte_cryptodev *dev;
2157
2158         if (!rte_cryptodev_is_valid_dev(dev_id)) {
2159                 sym_crypto_fill_status(vec, EINVAL);
2160                 return 0;
2161         }
2162
2163         dev = rte_cryptodev_pmd_get_dev(dev_id);
2164
2165         if (*dev->dev_ops->sym_cpu_process == NULL ||
2166                 !(dev->feature_flags & RTE_CRYPTODEV_FF_SYM_CPU_CRYPTO)) {
2167                 sym_crypto_fill_status(vec, ENOTSUP);
2168                 return 0;
2169         }
2170
2171         return dev->dev_ops->sym_cpu_process(dev, sess, ofs, vec);
2172 }
2173
2174 int
2175 rte_cryptodev_get_raw_dp_ctx_size(uint8_t dev_id)
2176 {
2177         struct rte_cryptodev *dev;
2178         int32_t size = sizeof(struct rte_crypto_raw_dp_ctx);
2179         int32_t priv_size;
2180
2181         if (!rte_cryptodev_is_valid_dev(dev_id))
2182                 return -EINVAL;
2183
2184         dev = rte_cryptodev_pmd_get_dev(dev_id);
2185
2186         if (*dev->dev_ops->sym_get_raw_dp_ctx_size == NULL ||
2187                 !(dev->feature_flags & RTE_CRYPTODEV_FF_SYM_RAW_DP)) {
2188                 return -ENOTSUP;
2189         }
2190
2191         priv_size = (*dev->dev_ops->sym_get_raw_dp_ctx_size)(dev);
2192         if (priv_size < 0)
2193                 return -ENOTSUP;
2194
2195         return RTE_ALIGN_CEIL((size + priv_size), 8);
2196 }
2197
2198 int
2199 rte_cryptodev_configure_raw_dp_ctx(uint8_t dev_id, uint16_t qp_id,
2200         struct rte_crypto_raw_dp_ctx *ctx,
2201         enum rte_crypto_op_sess_type sess_type,
2202         union rte_cryptodev_session_ctx session_ctx,
2203         uint8_t is_update)
2204 {
2205         struct rte_cryptodev *dev;
2206
2207         if (!rte_cryptodev_get_qp_status(dev_id, qp_id))
2208                 return -EINVAL;
2209
2210         dev = rte_cryptodev_pmd_get_dev(dev_id);
2211         if (!(dev->feature_flags & RTE_CRYPTODEV_FF_SYM_RAW_DP)
2212                         || dev->dev_ops->sym_configure_raw_dp_ctx == NULL)
2213                 return -ENOTSUP;
2214
2215         return (*dev->dev_ops->sym_configure_raw_dp_ctx)(dev, qp_id, ctx,
2216                         sess_type, session_ctx, is_update);
2217 }
2218
2219 uint32_t
2220 rte_cryptodev_raw_enqueue_burst(struct rte_crypto_raw_dp_ctx *ctx,
2221         struct rte_crypto_sym_vec *vec, union rte_crypto_sym_ofs ofs,
2222         void **user_data, int *enqueue_status)
2223 {
2224         return (*ctx->enqueue_burst)(ctx->qp_data, ctx->drv_ctx_data, vec,
2225                         ofs, user_data, enqueue_status);
2226 }
2227
2228 int
2229 rte_cryptodev_raw_enqueue_done(struct rte_crypto_raw_dp_ctx *ctx,
2230                 uint32_t n)
2231 {
2232         return (*ctx->enqueue_done)(ctx->qp_data, ctx->drv_ctx_data, n);
2233 }
2234
2235 uint32_t
2236 rte_cryptodev_raw_dequeue_burst(struct rte_crypto_raw_dp_ctx *ctx,
2237         rte_cryptodev_raw_get_dequeue_count_t get_dequeue_count,
2238         uint32_t max_nb_to_dequeue,
2239         rte_cryptodev_raw_post_dequeue_t post_dequeue,
2240         void **out_user_data, uint8_t is_user_data_array,
2241         uint32_t *n_success_jobs, int *status)
2242 {
2243         return (*ctx->dequeue_burst)(ctx->qp_data, ctx->drv_ctx_data,
2244                 get_dequeue_count, max_nb_to_dequeue, post_dequeue,
2245                 out_user_data, is_user_data_array, n_success_jobs, status);
2246 }
2247
2248 int
2249 rte_cryptodev_raw_dequeue_done(struct rte_crypto_raw_dp_ctx *ctx,
2250                 uint32_t n)
2251 {
2252         return (*ctx->dequeue_done)(ctx->qp_data, ctx->drv_ctx_data, n);
2253 }
2254
2255 /** Initialise rte_crypto_op mempool element */
2256 static void
2257 rte_crypto_op_init(struct rte_mempool *mempool,
2258                 void *opaque_arg,
2259                 void *_op_data,
2260                 __rte_unused unsigned i)
2261 {
2262         struct rte_crypto_op *op = _op_data;
2263         enum rte_crypto_op_type type = *(enum rte_crypto_op_type *)opaque_arg;
2264
2265         memset(_op_data, 0, mempool->elt_size);
2266
2267         __rte_crypto_op_reset(op, type);
2268
2269         op->phys_addr = rte_mem_virt2iova(_op_data);
2270         op->mempool = mempool;
2271 }
2272
2273
2274 struct rte_mempool *
2275 rte_crypto_op_pool_create(const char *name, enum rte_crypto_op_type type,
2276                 unsigned nb_elts, unsigned cache_size, uint16_t priv_size,
2277                 int socket_id)
2278 {
2279         struct rte_crypto_op_pool_private *priv;
2280
2281         unsigned elt_size = sizeof(struct rte_crypto_op) +
2282                         priv_size;
2283
2284         if (type == RTE_CRYPTO_OP_TYPE_SYMMETRIC) {
2285                 elt_size += sizeof(struct rte_crypto_sym_op);
2286         } else if (type == RTE_CRYPTO_OP_TYPE_ASYMMETRIC) {
2287                 elt_size += sizeof(struct rte_crypto_asym_op);
2288         } else if (type == RTE_CRYPTO_OP_TYPE_UNDEFINED) {
2289                 elt_size += RTE_MAX(sizeof(struct rte_crypto_sym_op),
2290                                     sizeof(struct rte_crypto_asym_op));
2291         } else {
2292                 CDEV_LOG_ERR("Invalid op_type\n");
2293                 return NULL;
2294         }
2295
2296         /* lookup mempool in case already allocated */
2297         struct rte_mempool *mp = rte_mempool_lookup(name);
2298
2299         if (mp != NULL) {
2300                 priv = (struct rte_crypto_op_pool_private *)
2301                                 rte_mempool_get_priv(mp);
2302
2303                 if (mp->elt_size != elt_size ||
2304                                 mp->cache_size < cache_size ||
2305                                 mp->size < nb_elts ||
2306                                 priv->priv_size <  priv_size) {
2307                         mp = NULL;
2308                         CDEV_LOG_ERR("Mempool %s already exists but with "
2309                                         "incompatible parameters", name);
2310                         return NULL;
2311                 }
2312                 return mp;
2313         }
2314
2315         mp = rte_mempool_create(
2316                         name,
2317                         nb_elts,
2318                         elt_size,
2319                         cache_size,
2320                         sizeof(struct rte_crypto_op_pool_private),
2321                         NULL,
2322                         NULL,
2323                         rte_crypto_op_init,
2324                         &type,
2325                         socket_id,
2326                         0);
2327
2328         if (mp == NULL) {
2329                 CDEV_LOG_ERR("Failed to create mempool %s", name);
2330                 return NULL;
2331         }
2332
2333         priv = (struct rte_crypto_op_pool_private *)
2334                         rte_mempool_get_priv(mp);
2335
2336         priv->priv_size = priv_size;
2337         priv->type = type;
2338
2339         return mp;
2340 }
2341
2342 int
2343 rte_cryptodev_pmd_create_dev_name(char *name, const char *dev_name_prefix)
2344 {
2345         struct rte_cryptodev *dev = NULL;
2346         uint32_t i = 0;
2347
2348         if (name == NULL)
2349                 return -EINVAL;
2350
2351         for (i = 0; i < RTE_CRYPTO_MAX_DEVS; i++) {
2352                 int ret = snprintf(name, RTE_CRYPTODEV_NAME_MAX_LEN,
2353                                 "%s_%u", dev_name_prefix, i);
2354
2355                 if (ret < 0)
2356                         return ret;
2357
2358                 dev = rte_cryptodev_pmd_get_named_dev(name);
2359                 if (!dev)
2360                         return 0;
2361         }
2362
2363         return -1;
2364 }
2365
2366 TAILQ_HEAD(cryptodev_driver_list, cryptodev_driver);
2367
2368 static struct cryptodev_driver_list cryptodev_driver_list =
2369         TAILQ_HEAD_INITIALIZER(cryptodev_driver_list);
2370
2371 int
2372 rte_cryptodev_driver_id_get(const char *name)
2373 {
2374         struct cryptodev_driver *driver;
2375         const char *driver_name;
2376
2377         if (name == NULL) {
2378                 RTE_LOG(DEBUG, CRYPTODEV, "name pointer NULL");
2379                 return -1;
2380         }
2381
2382         TAILQ_FOREACH(driver, &cryptodev_driver_list, next) {
2383                 driver_name = driver->driver->name;
2384                 if (strncmp(driver_name, name, strlen(driver_name) + 1) == 0)
2385                         return driver->id;
2386         }
2387         return -1;
2388 }
2389
2390 const char *
2391 rte_cryptodev_name_get(uint8_t dev_id)
2392 {
2393         struct rte_cryptodev *dev;
2394
2395         if (!rte_cryptodev_is_valid_device_data(dev_id)) {
2396                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
2397                 return NULL;
2398         }
2399
2400         dev = rte_cryptodev_pmd_get_dev(dev_id);
2401         if (dev == NULL)
2402                 return NULL;
2403
2404         return dev->data->name;
2405 }
2406
2407 const char *
2408 rte_cryptodev_driver_name_get(uint8_t driver_id)
2409 {
2410         struct cryptodev_driver *driver;
2411
2412         TAILQ_FOREACH(driver, &cryptodev_driver_list, next)
2413                 if (driver->id == driver_id)
2414                         return driver->driver->name;
2415         return NULL;
2416 }
2417
2418 uint8_t
2419 rte_cryptodev_allocate_driver(struct cryptodev_driver *crypto_drv,
2420                 const struct rte_driver *drv)
2421 {
2422         crypto_drv->driver = drv;
2423         crypto_drv->id = nb_drivers;
2424
2425         TAILQ_INSERT_TAIL(&cryptodev_driver_list, crypto_drv, next);
2426
2427         return nb_drivers++;
2428 }