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 #include <rte_telemetry.h>
  39
  40 #include "rte_crypto.h"
  41 #include "rte_cryptodev.h"
  42 #include "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 /* Public fastpath APIs. */
  58 struct rte_crypto_fp_ops rte_crypto_fp_ops[RTE_CRYPTO_MAX_DEVS];
  59
  60 /* spinlock for crypto device callbacks */
  61 static rte_spinlock_t rte_cryptodev_cb_lock = RTE_SPINLOCK_INITIALIZER;
  62
  63 /**
  64  * The user application callback description.
  65  *
  66  * It contains callback address to be registered by user application,
  67  * the pointer to the parameters for callback, and the event type.
  68  */
  69 struct rte_cryptodev_callback {
  70         TAILQ_ENTRY(rte_cryptodev_callback) next; /**< Callbacks list */
  71         rte_cryptodev_cb_fn cb_fn;              /**< Callback address */
  72         void *cb_arg;                           /**< Parameter for callback */
  73         enum rte_cryptodev_event_type event;    /**< Interrupt event type */
  74         uint32_t active;                        /**< Callback is executing */
  75 };
  76
  77 /**
  78  * The crypto cipher algorithm strings identifiers.
  79  * It could be used in application command line.
  80  */
  81 const char *
  82 rte_crypto_cipher_algorithm_strings[] = {
  83         [RTE_CRYPTO_CIPHER_3DES_CBC]    = "3des-cbc",
  84         [RTE_CRYPTO_CIPHER_3DES_ECB]    = "3des-ecb",
  85         [RTE_CRYPTO_CIPHER_3DES_CTR]    = "3des-ctr",
  86
  87         [RTE_CRYPTO_CIPHER_AES_CBC]     = "aes-cbc",
  88         [RTE_CRYPTO_CIPHER_AES_CTR]     = "aes-ctr",
  89         [RTE_CRYPTO_CIPHER_AES_DOCSISBPI]       = "aes-docsisbpi",
  90         [RTE_CRYPTO_CIPHER_AES_ECB]     = "aes-ecb",
  91         [RTE_CRYPTO_CIPHER_AES_F8]      = "aes-f8",
  92         [RTE_CRYPTO_CIPHER_AES_XTS]     = "aes-xts",
  93
  94         [RTE_CRYPTO_CIPHER_ARC4]        = "arc4",
  95
  96         [RTE_CRYPTO_CIPHER_DES_CBC]     = "des-cbc",
  97         [RTE_CRYPTO_CIPHER_DES_DOCSISBPI]       = "des-docsisbpi",
  98
  99         [RTE_CRYPTO_CIPHER_NULL]        = "null",
 100
 101         [RTE_CRYPTO_CIPHER_KASUMI_F8]   = "kasumi-f8",
 102         [RTE_CRYPTO_CIPHER_SNOW3G_UEA2] = "snow3g-uea2",
 103         [RTE_CRYPTO_CIPHER_ZUC_EEA3]    = "zuc-eea3"
 104 };
 105
 106 /**
 107  * The crypto cipher operation strings identifiers.
 108  * It could be used in application command line.
 109  */
 110 const char *
 111 rte_crypto_cipher_operation_strings[] = {
 112                 [RTE_CRYPTO_CIPHER_OP_ENCRYPT]  = "encrypt",
 113                 [RTE_CRYPTO_CIPHER_OP_DECRYPT]  = "decrypt"
 114 };
 115
 116 /**
 117  * The crypto auth algorithm strings identifiers.
 118  * It could be used in application command line.
 119  */
 120 const char *
 121 rte_crypto_auth_algorithm_strings[] = {
 122         [RTE_CRYPTO_AUTH_AES_CBC_MAC]   = "aes-cbc-mac",
 123         [RTE_CRYPTO_AUTH_AES_CMAC]      = "aes-cmac",
 124         [RTE_CRYPTO_AUTH_AES_GMAC]      = "aes-gmac",
 125         [RTE_CRYPTO_AUTH_AES_XCBC_MAC]  = "aes-xcbc-mac",
 126
 127         [RTE_CRYPTO_AUTH_MD5]           = "md5",
 128         [RTE_CRYPTO_AUTH_MD5_HMAC]      = "md5-hmac",
 129
 130         [RTE_CRYPTO_AUTH_NULL]          = "null",
 131
 132         [RTE_CRYPTO_AUTH_SHA1]          = "sha1",
 133         [RTE_CRYPTO_AUTH_SHA1_HMAC]     = "sha1-hmac",
 134
 135         [RTE_CRYPTO_AUTH_SHA224]        = "sha2-224",
 136         [RTE_CRYPTO_AUTH_SHA224_HMAC]   = "sha2-224-hmac",
 137         [RTE_CRYPTO_AUTH_SHA256]        = "sha2-256",
 138         [RTE_CRYPTO_AUTH_SHA256_HMAC]   = "sha2-256-hmac",
 139         [RTE_CRYPTO_AUTH_SHA384]        = "sha2-384",
 140         [RTE_CRYPTO_AUTH_SHA384_HMAC]   = "sha2-384-hmac",
 141         [RTE_CRYPTO_AUTH_SHA512]        = "sha2-512",
 142         [RTE_CRYPTO_AUTH_SHA512_HMAC]   = "sha2-512-hmac",
 143
 144         [RTE_CRYPTO_AUTH_KASUMI_F9]     = "kasumi-f9",
 145         [RTE_CRYPTO_AUTH_SNOW3G_UIA2]   = "snow3g-uia2",
 146         [RTE_CRYPTO_AUTH_ZUC_EIA3]      = "zuc-eia3"
 147 };
 148
 149 /**
 150  * The crypto AEAD algorithm strings identifiers.
 151  * It could be used in application command line.
 152  */
 153 const char *
 154 rte_crypto_aead_algorithm_strings[] = {
 155         [RTE_CRYPTO_AEAD_AES_CCM]       = "aes-ccm",
 156         [RTE_CRYPTO_AEAD_AES_GCM]       = "aes-gcm",
 157         [RTE_CRYPTO_AEAD_CHACHA20_POLY1305] = "chacha20-poly1305"
 158 };
 159
 160 /**
 161  * The crypto AEAD operation strings identifiers.
 162  * It could be used in application command line.
 163  */
 164 const char *
 165 rte_crypto_aead_operation_strings[] = {
 166         [RTE_CRYPTO_AEAD_OP_ENCRYPT]    = "encrypt",
 167         [RTE_CRYPTO_AEAD_OP_DECRYPT]    = "decrypt"
 168 };
 169
 170 /**
 171  * Asymmetric crypto transform operation strings identifiers.
 172  */
 173 const char *rte_crypto_asym_xform_strings[] = {
 174         [RTE_CRYPTO_ASYM_XFORM_NONE]    = "none",
 175         [RTE_CRYPTO_ASYM_XFORM_RSA]     = "rsa",
 176         [RTE_CRYPTO_ASYM_XFORM_MODEX]   = "modexp",
 177         [RTE_CRYPTO_ASYM_XFORM_MODINV]  = "modinv",
 178         [RTE_CRYPTO_ASYM_XFORM_DH]      = "dh",
 179         [RTE_CRYPTO_ASYM_XFORM_DSA]     = "dsa",
 180         [RTE_CRYPTO_ASYM_XFORM_ECDSA]   = "ecdsa",
 181         [RTE_CRYPTO_ASYM_XFORM_ECPM]    = "ecpm",
 182 };
 183
 184 /**
 185  * Asymmetric crypto operation strings identifiers.
 186  */
 187 const char *rte_crypto_asym_op_strings[] = {
 188         [RTE_CRYPTO_ASYM_OP_ENCRYPT]    = "encrypt",
 189         [RTE_CRYPTO_ASYM_OP_DECRYPT]    = "decrypt",
 190         [RTE_CRYPTO_ASYM_OP_SIGN]       = "sign",
 191         [RTE_CRYPTO_ASYM_OP_VERIFY]     = "verify",
 192         [RTE_CRYPTO_ASYM_OP_PRIVATE_KEY_GENERATE]       = "priv_key_generate",
 193         [RTE_CRYPTO_ASYM_OP_PUBLIC_KEY_GENERATE] = "pub_key_generate",
 194         [RTE_CRYPTO_ASYM_OP_SHARED_SECRET_COMPUTE] = "sharedsecret_compute",
 195 };
 196
 197 /**
 198  * The private data structure stored in the session mempool private data.
 199  */
 200 struct rte_cryptodev_sym_session_pool_private_data {
 201         uint16_t nb_drivers;
 202         /**< number of elements in sess_data array */
 203         uint16_t user_data_sz;
 204         /**< session user data will be placed after sess_data */
 205 };
 206
 207 int
 208 rte_cryptodev_get_cipher_algo_enum(enum rte_crypto_cipher_algorithm *algo_enum,
 209                 const char *algo_string)
 210 {
 211         unsigned int i;
 212
 213         for (i = 1; i < RTE_DIM(rte_crypto_cipher_algorithm_strings); i++) {
 214                 if (strcmp(algo_string, rte_crypto_cipher_algorithm_strings[i]) == 0) {
 215                         *algo_enum = (enum rte_crypto_cipher_algorithm) i;
 216                         return 0;
 217                 }
 218         }
 219
 220         /* Invalid string */
 221         return -1;
 222 }
 223
 224 int
 225 rte_cryptodev_get_auth_algo_enum(enum rte_crypto_auth_algorithm *algo_enum,
 226                 const char *algo_string)
 227 {
 228         unsigned int i;
 229
 230         for (i = 1; i < RTE_DIM(rte_crypto_auth_algorithm_strings); i++) {
 231                 if (strcmp(algo_string, rte_crypto_auth_algorithm_strings[i]) == 0) {
 232                         *algo_enum = (enum rte_crypto_auth_algorithm) i;
 233                         return 0;
 234                 }
 235         }
 236
 237         /* Invalid string */
 238         return -1;
 239 }
 240
 241 int
 242 rte_cryptodev_get_aead_algo_enum(enum rte_crypto_aead_algorithm *algo_enum,
 243                 const char *algo_string)
 244 {
 245         unsigned int i;
 246
 247         for (i = 1; i < RTE_DIM(rte_crypto_aead_algorithm_strings); i++) {
 248                 if (strcmp(algo_string, rte_crypto_aead_algorithm_strings[i]) == 0) {
 249                         *algo_enum = (enum rte_crypto_aead_algorithm) i;
 250                         return 0;
 251                 }
 252         }
 253
 254         /* Invalid string */
 255         return -1;
 256 }
 257
 258 int
 259 rte_cryptodev_asym_get_xform_enum(enum rte_crypto_asym_xform_type *xform_enum,
 260                 const char *xform_string)
 261 {
 262         unsigned int i;
 263
 264         for (i = 1; i < RTE_DIM(rte_crypto_asym_xform_strings); i++) {
 265                 if (strcmp(xform_string,
 266                         rte_crypto_asym_xform_strings[i]) == 0) {
 267                         *xform_enum = (enum rte_crypto_asym_xform_type) i;
 268                         return 0;
 269                 }
 270         }
 271
 272         /* Invalid string */
 273         return -1;
 274 }
 275
 276 /**
 277  * The crypto auth operation strings identifiers.
 278  * It could be used in application command line.
 279  */
 280 const char *
 281 rte_crypto_auth_operation_strings[] = {
 282                 [RTE_CRYPTO_AUTH_OP_VERIFY]     = "verify",
 283                 [RTE_CRYPTO_AUTH_OP_GENERATE]   = "generate"
 284 };
 285
 286 const struct rte_cryptodev_symmetric_capability *
 287 rte_cryptodev_sym_capability_get(uint8_t dev_id,
 288                 const struct rte_cryptodev_sym_capability_idx *idx)
 289 {
 290         const struct rte_cryptodev_capabilities *capability;
 291         struct rte_cryptodev_info dev_info;
 292         int i = 0;
 293
 294         rte_cryptodev_info_get(dev_id, &dev_info);
 295
 296         while ((capability = &dev_info.capabilities[i++])->op !=
 297                         RTE_CRYPTO_OP_TYPE_UNDEFINED) {
 298                 if (capability->op != RTE_CRYPTO_OP_TYPE_SYMMETRIC)
 299                         continue;
 300
 301                 if (capability->sym.xform_type != idx->type)
 302                         continue;
 303
 304                 if (idx->type == RTE_CRYPTO_SYM_XFORM_AUTH &&
 305                         capability->sym.auth.algo == idx->algo.auth)
 306                         return &capability->sym;
 307
 308                 if (idx->type == RTE_CRYPTO_SYM_XFORM_CIPHER &&
 309                         capability->sym.cipher.algo == idx->algo.cipher)
 310                         return &capability->sym;
 311
 312                 if (idx->type == RTE_CRYPTO_SYM_XFORM_AEAD &&
 313                                 capability->sym.aead.algo == idx->algo.aead)
 314                         return &capability->sym;
 315         }
 316
 317         return NULL;
 318 }
 319
 320 static int
 321 param_range_check(uint16_t size, const struct rte_crypto_param_range *range)
 322 {
 323         unsigned int next_size;
 324
 325         /* Check lower/upper bounds */
 326         if (size < range->min)
 327                 return -1;
 328
 329         if (size > range->max)
 330                 return -1;
 331
 332         /* If range is actually only one value, size is correct */
 333         if (range->increment == 0)
 334                 return 0;
 335
 336         /* Check if value is one of the supported sizes */
 337         for (next_size = range->min; next_size <= range->max;
 338                         next_size += range->increment)
 339                 if (size == next_size)
 340                         return 0;
 341
 342         return -1;
 343 }
 344
 345 const struct rte_cryptodev_asymmetric_xform_capability *
 346 rte_cryptodev_asym_capability_get(uint8_t dev_id,
 347                 const struct rte_cryptodev_asym_capability_idx *idx)
 348 {
 349         const struct rte_cryptodev_capabilities *capability;
 350         struct rte_cryptodev_info dev_info;
 351         unsigned int i = 0;
 352
 353         memset(&dev_info, 0, sizeof(struct rte_cryptodev_info));
 354         rte_cryptodev_info_get(dev_id, &dev_info);
 355
 356         while ((capability = &dev_info.capabilities[i++])->op !=
 357                         RTE_CRYPTO_OP_TYPE_UNDEFINED) {
 358                 if (capability->op != RTE_CRYPTO_OP_TYPE_ASYMMETRIC)
 359                         continue;
 360
 361                 if (capability->asym.xform_capa.xform_type == idx->type)
 362                         return &capability->asym.xform_capa;
 363         }
 364         return NULL;
 365 };
 366
 367 int
 368 rte_cryptodev_sym_capability_check_cipher(
 369                 const struct rte_cryptodev_symmetric_capability *capability,
 370                 uint16_t key_size, uint16_t iv_size)
 371 {
 372         if (param_range_check(key_size, &capability->cipher.key_size) != 0)
 373                 return -1;
 374
 375         if (param_range_check(iv_size, &capability->cipher.iv_size) != 0)
 376                 return -1;
 377
 378         return 0;
 379 }
 380
 381 int
 382 rte_cryptodev_sym_capability_check_auth(
 383                 const struct rte_cryptodev_symmetric_capability *capability,
 384                 uint16_t key_size, uint16_t digest_size, uint16_t iv_size)
 385 {
 386         if (param_range_check(key_size, &capability->auth.key_size) != 0)
 387                 return -1;
 388
 389         if (param_range_check(digest_size, &capability->auth.digest_size) != 0)
 390                 return -1;
 391
 392         if (param_range_check(iv_size, &capability->auth.iv_size) != 0)
 393                 return -1;
 394
 395         return 0;
 396 }
 397
 398 int
 399 rte_cryptodev_sym_capability_check_aead(
 400                 const struct rte_cryptodev_symmetric_capability *capability,
 401                 uint16_t key_size, uint16_t digest_size, uint16_t aad_size,
 402                 uint16_t iv_size)
 403 {
 404         if (param_range_check(key_size, &capability->aead.key_size) != 0)
 405                 return -1;
 406
 407         if (param_range_check(digest_size, &capability->aead.digest_size) != 0)
 408                 return -1;
 409
 410         if (param_range_check(aad_size, &capability->aead.aad_size) != 0)
 411                 return -1;
 412
 413         if (param_range_check(iv_size, &capability->aead.iv_size) != 0)
 414                 return -1;
 415
 416         return 0;
 417 }
 418 int
 419 rte_cryptodev_asym_xform_capability_check_optype(
 420         const struct rte_cryptodev_asymmetric_xform_capability *capability,
 421         enum rte_crypto_asym_op_type op_type)
 422 {
 423         if (capability->op_types & (1 << op_type))
 424                 return 1;
 425
 426         return 0;
 427 }
 428
 429 int
 430 rte_cryptodev_asym_xform_capability_check_modlen(
 431         const struct rte_cryptodev_asymmetric_xform_capability *capability,
 432         uint16_t modlen)
 433 {
 434         /* no need to check for limits, if min or max = 0 */
 435         if (capability->modlen.min != 0) {
 436                 if (modlen < capability->modlen.min)
 437                         return -1;
 438         }
 439
 440         if (capability->modlen.max != 0) {
 441                 if (modlen > capability->modlen.max)
 442                         return -1;
 443         }
 444
 445         /* in any case, check if given modlen is module increment */
 446         if (capability->modlen.increment != 0) {
 447                 if (modlen % (capability->modlen.increment))
 448                         return -1;
 449         }
 450
 451         return 0;
 452 }
 453
 454 /* spinlock for crypto device enq callbacks */
 455 static rte_spinlock_t rte_cryptodev_callback_lock = RTE_SPINLOCK_INITIALIZER;
 456
 457 static void
 458 cryptodev_cb_cleanup(struct rte_cryptodev *dev)
 459 {
 460         struct rte_cryptodev_cb_rcu *list;
 461         struct rte_cryptodev_cb *cb, *next;
 462         uint16_t qp_id;
 463
 464         if (dev->enq_cbs == NULL && dev->deq_cbs == NULL)
 465                 return;
 466
 467         for (qp_id = 0; qp_id < dev->data->nb_queue_pairs; qp_id++) {
 468                 list = &dev->enq_cbs[qp_id];
 469                 cb = list->next;
 470                 while (cb != NULL) {
 471                         next = cb->next;
 472                         rte_free(cb);
 473                         cb = next;
 474                 }
 475
 476                 rte_free(list->qsbr);
 477         }
 478
 479         for (qp_id = 0; qp_id < dev->data->nb_queue_pairs; qp_id++) {
 480                 list = &dev->deq_cbs[qp_id];
 481                 cb = list->next;
 482                 while (cb != NULL) {
 483                         next = cb->next;
 484                         rte_free(cb);
 485                         cb = next;
 486                 }
 487
 488                 rte_free(list->qsbr);
 489         }
 490
 491         rte_free(dev->enq_cbs);
 492         dev->enq_cbs = NULL;
 493         rte_free(dev->deq_cbs);
 494         dev->deq_cbs = NULL;
 495 }
 496
 497 static int
 498 cryptodev_cb_init(struct rte_cryptodev *dev)
 499 {
 500         struct rte_cryptodev_cb_rcu *list;
 501         struct rte_rcu_qsbr *qsbr;
 502         uint16_t qp_id;
 503         size_t size;
 504
 505         /* Max thread set to 1, as one DP thread accessing a queue-pair */
 506         const uint32_t max_threads = 1;
 507
 508         dev->enq_cbs = rte_zmalloc(NULL,
 509                                    sizeof(struct rte_cryptodev_cb_rcu) *
 510                                    dev->data->nb_queue_pairs, 0);
 511         if (dev->enq_cbs == NULL) {
 512                 CDEV_LOG_ERR("Failed to allocate memory for enq callbacks");
 513                 return -ENOMEM;
 514         }
 515
 516         dev->deq_cbs = rte_zmalloc(NULL,
 517                                    sizeof(struct rte_cryptodev_cb_rcu) *
 518                                    dev->data->nb_queue_pairs, 0);
 519         if (dev->deq_cbs == NULL) {
 520                 CDEV_LOG_ERR("Failed to allocate memory for deq callbacks");
 521                 rte_free(dev->enq_cbs);
 522                 return -ENOMEM;
 523         }
 524
 525         /* Create RCU QSBR variable */
 526         size = rte_rcu_qsbr_get_memsize(max_threads);
 527
 528         for (qp_id = 0; qp_id < dev->data->nb_queue_pairs; qp_id++) {
 529                 list = &dev->enq_cbs[qp_id];
 530                 qsbr = rte_zmalloc(NULL, size, RTE_CACHE_LINE_SIZE);
 531                 if (qsbr == NULL) {
 532                         CDEV_LOG_ERR("Failed to allocate memory for RCU on "
 533                                 "queue_pair_id=%d", qp_id);
 534                         goto cb_init_err;
 535                 }
 536
 537                 if (rte_rcu_qsbr_init(qsbr, max_threads)) {
 538                         CDEV_LOG_ERR("Failed to initialize for RCU on "
 539                                 "queue_pair_id=%d", qp_id);
 540                         goto cb_init_err;
 541                 }
 542
 543                 list->qsbr = qsbr;
 544         }
 545
 546         for (qp_id = 0; qp_id < dev->data->nb_queue_pairs; qp_id++) {
 547                 list = &dev->deq_cbs[qp_id];
 548                 qsbr = rte_zmalloc(NULL, size, RTE_CACHE_LINE_SIZE);
 549                 if (qsbr == NULL) {
 550                         CDEV_LOG_ERR("Failed to allocate memory for RCU on "
 551                                 "queue_pair_id=%d", qp_id);
 552                         goto cb_init_err;
 553                 }
 554
 555                 if (rte_rcu_qsbr_init(qsbr, max_threads)) {
 556                         CDEV_LOG_ERR("Failed to initialize for RCU on "
 557                                 "queue_pair_id=%d", qp_id);
 558                         goto cb_init_err;
 559                 }
 560
 561                 list->qsbr = qsbr;
 562         }
 563
 564         return 0;
 565
 566 cb_init_err:
 567         cryptodev_cb_cleanup(dev);
 568         return -ENOMEM;
 569 }
 570
 571 const char *
 572 rte_cryptodev_get_feature_name(uint64_t flag)
 573 {
 574         switch (flag) {
 575         case RTE_CRYPTODEV_FF_SYMMETRIC_CRYPTO:
 576                 return "SYMMETRIC_CRYPTO";
 577         case RTE_CRYPTODEV_FF_ASYMMETRIC_CRYPTO:
 578                 return "ASYMMETRIC_CRYPTO";
 579         case RTE_CRYPTODEV_FF_SYM_OPERATION_CHAINING:
 580                 return "SYM_OPERATION_CHAINING";
 581         case RTE_CRYPTODEV_FF_CPU_SSE:
 582                 return "CPU_SSE";
 583         case RTE_CRYPTODEV_FF_CPU_AVX:
 584                 return "CPU_AVX";
 585         case RTE_CRYPTODEV_FF_CPU_AVX2:
 586                 return "CPU_AVX2";
 587         case RTE_CRYPTODEV_FF_CPU_AVX512:
 588                 return "CPU_AVX512";
 589         case RTE_CRYPTODEV_FF_CPU_AESNI:
 590                 return "CPU_AESNI";
 591         case RTE_CRYPTODEV_FF_HW_ACCELERATED:
 592                 return "HW_ACCELERATED";
 593         case RTE_CRYPTODEV_FF_IN_PLACE_SGL:
 594                 return "IN_PLACE_SGL";
 595         case RTE_CRYPTODEV_FF_OOP_SGL_IN_SGL_OUT:
 596                 return "OOP_SGL_IN_SGL_OUT";
 597         case RTE_CRYPTODEV_FF_OOP_SGL_IN_LB_OUT:
 598                 return "OOP_SGL_IN_LB_OUT";
 599         case RTE_CRYPTODEV_FF_OOP_LB_IN_SGL_OUT:
 600                 return "OOP_LB_IN_SGL_OUT";
 601         case RTE_CRYPTODEV_FF_OOP_LB_IN_LB_OUT:
 602                 return "OOP_LB_IN_LB_OUT";
 603         case RTE_CRYPTODEV_FF_CPU_NEON:
 604                 return "CPU_NEON";
 605         case RTE_CRYPTODEV_FF_CPU_ARM_CE:
 606                 return "CPU_ARM_CE";
 607         case RTE_CRYPTODEV_FF_SECURITY:
 608                 return "SECURITY_PROTOCOL";
 609         case RTE_CRYPTODEV_FF_RSA_PRIV_OP_KEY_EXP:
 610                 return "RSA_PRIV_OP_KEY_EXP";
 611         case RTE_CRYPTODEV_FF_RSA_PRIV_OP_KEY_QT:
 612                 return "RSA_PRIV_OP_KEY_QT";
 613         case RTE_CRYPTODEV_FF_DIGEST_ENCRYPTED:
 614                 return "DIGEST_ENCRYPTED";
 615         case RTE_CRYPTODEV_FF_SYM_CPU_CRYPTO:
 616                 return "SYM_CPU_CRYPTO";
 617         case RTE_CRYPTODEV_FF_ASYM_SESSIONLESS:
 618                 return "ASYM_SESSIONLESS";
 619         case RTE_CRYPTODEV_FF_SYM_SESSIONLESS:
 620                 return "SYM_SESSIONLESS";
 621         case RTE_CRYPTODEV_FF_NON_BYTE_ALIGNED_DATA:
 622                 return "NON_BYTE_ALIGNED_DATA";
 623         case RTE_CRYPTODEV_FF_CIPHER_MULTIPLE_DATA_UNITS:
 624                 return "CIPHER_MULTIPLE_DATA_UNITS";
 625         case RTE_CRYPTODEV_FF_CIPHER_WRAPPED_KEY:
 626                 return "CIPHER_WRAPPED_KEY";
 627         default:
 628                 return NULL;
 629         }
 630 }
 631
 632 struct rte_cryptodev *
 633 rte_cryptodev_pmd_get_dev(uint8_t dev_id)
 634 {
 635         return &cryptodev_globals.devs[dev_id];
 636 }
 637
 638 struct rte_cryptodev *
 639 rte_cryptodev_pmd_get_named_dev(const char *name)
 640 {
 641         struct rte_cryptodev *dev;
 642         unsigned int i;
 643
 644         if (name == NULL)
 645                 return NULL;
 646
 647         for (i = 0; i < RTE_CRYPTO_MAX_DEVS; i++) {
 648                 dev = &cryptodev_globals.devs[i];
 649
 650                 if ((dev->attached == RTE_CRYPTODEV_ATTACHED) &&
 651                                 (strcmp(dev->data->name, name) == 0))
 652                         return dev;
 653         }
 654
 655         return NULL;
 656 }
 657
 658 static inline uint8_t
 659 rte_cryptodev_is_valid_device_data(uint8_t dev_id)
 660 {
 661         if (dev_id >= RTE_CRYPTO_MAX_DEVS ||
 662                         rte_crypto_devices[dev_id].data == NULL)
 663                 return 0;
 664
 665         return 1;
 666 }
 667
 668 unsigned int
 669 rte_cryptodev_is_valid_dev(uint8_t dev_id)
 670 {
 671         struct rte_cryptodev *dev = NULL;
 672
 673         if (!rte_cryptodev_is_valid_device_data(dev_id))
 674                 return 0;
 675
 676         dev = rte_cryptodev_pmd_get_dev(dev_id);
 677         if (dev->attached != RTE_CRYPTODEV_ATTACHED)
 678                 return 0;
 679         else
 680                 return 1;
 681 }
 682
 683
 684 int
 685 rte_cryptodev_get_dev_id(const char *name)
 686 {
 687         unsigned i;
 688
 689         if (name == NULL)
 690                 return -1;
 691
 692         for (i = 0; i < RTE_CRYPTO_MAX_DEVS; i++) {
 693                 if (!rte_cryptodev_is_valid_device_data(i))
 694                         continue;
 695                 if ((strcmp(cryptodev_globals.devs[i].data->name, name)
 696                                 == 0) &&
 697                                 (cryptodev_globals.devs[i].attached ==
 698                                                 RTE_CRYPTODEV_ATTACHED))
 699                         return i;
 700         }
 701
 702         return -1;
 703 }
 704
 705 uint8_t
 706 rte_cryptodev_count(void)
 707 {
 708         return cryptodev_globals.nb_devs;
 709 }
 710
 711 uint8_t
 712 rte_cryptodev_device_count_by_driver(uint8_t driver_id)
 713 {
 714         uint8_t i, dev_count = 0;
 715
 716         for (i = 0; i < RTE_CRYPTO_MAX_DEVS; i++)
 717                 if (cryptodev_globals.devs[i].driver_id == driver_id &&
 718                         cryptodev_globals.devs[i].attached ==
 719                                         RTE_CRYPTODEV_ATTACHED)
 720                         dev_count++;
 721
 722         return dev_count;
 723 }
 724
 725 uint8_t
 726 rte_cryptodev_devices_get(const char *driver_name, uint8_t *devices,
 727         uint8_t nb_devices)
 728 {
 729         uint8_t i, count = 0;
 730         struct rte_cryptodev *devs = cryptodev_globals.devs;
 731
 732         for (i = 0; i < RTE_CRYPTO_MAX_DEVS && count < nb_devices; i++) {
 733                 if (!rte_cryptodev_is_valid_device_data(i))
 734                         continue;
 735
 736                 if (devs[i].attached == RTE_CRYPTODEV_ATTACHED) {
 737                         int cmp;
 738
 739                         cmp = strncmp(devs[i].device->driver->name,
 740                                         driver_name,
 741                                         strlen(driver_name) + 1);
 742
 743                         if (cmp == 0)
 744                                 devices[count++] = devs[i].data->dev_id;
 745                 }
 746         }
 747
 748         return count;
 749 }
 750
 751 void *
 752 rte_cryptodev_get_sec_ctx(uint8_t dev_id)
 753 {
 754         if (dev_id < RTE_CRYPTO_MAX_DEVS &&
 755                         (rte_crypto_devices[dev_id].feature_flags &
 756                         RTE_CRYPTODEV_FF_SECURITY))
 757                 return rte_crypto_devices[dev_id].security_ctx;
 758
 759         return NULL;
 760 }
 761
 762 int
 763 rte_cryptodev_socket_id(uint8_t dev_id)
 764 {
 765         struct rte_cryptodev *dev;
 766
 767         if (!rte_cryptodev_is_valid_dev(dev_id))
 768                 return -1;
 769
 770         dev = rte_cryptodev_pmd_get_dev(dev_id);
 771
 772         return dev->data->socket_id;
 773 }
 774
 775 static inline int
 776 rte_cryptodev_data_alloc(uint8_t dev_id, struct rte_cryptodev_data **data,
 777                 int socket_id)
 778 {
 779         char mz_name[RTE_MEMZONE_NAMESIZE];
 780         const struct rte_memzone *mz;
 781         int n;
 782
 783         /* generate memzone name */
 784         n = snprintf(mz_name, sizeof(mz_name), "rte_cryptodev_data_%u", dev_id);
 785         if (n >= (int)sizeof(mz_name))
 786                 return -EINVAL;
 787
 788         if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
 789                 mz = rte_memzone_reserve(mz_name,
 790                                 sizeof(struct rte_cryptodev_data),
 791                                 socket_id, 0);
 792                 CDEV_LOG_DEBUG("PRIMARY:reserved memzone for %s (%p)",
 793                                 mz_name, mz);
 794         } else {
 795                 mz = rte_memzone_lookup(mz_name);
 796                 CDEV_LOG_DEBUG("SECONDARY:looked up memzone for %s (%p)",
 797                                 mz_name, mz);
 798         }
 799
 800         if (mz == NULL)
 801                 return -ENOMEM;
 802
 803         *data = mz->addr;
 804         if (rte_eal_process_type() == RTE_PROC_PRIMARY)
 805                 memset(*data, 0, sizeof(struct rte_cryptodev_data));
 806
 807         return 0;
 808 }
 809
 810 static inline int
 811 rte_cryptodev_data_free(uint8_t dev_id, struct rte_cryptodev_data **data)
 812 {
 813         char mz_name[RTE_MEMZONE_NAMESIZE];
 814         const struct rte_memzone *mz;
 815         int n;
 816
 817         /* generate memzone name */
 818         n = snprintf(mz_name, sizeof(mz_name), "rte_cryptodev_data_%u", dev_id);
 819         if (n >= (int)sizeof(mz_name))
 820                 return -EINVAL;
 821
 822         mz = rte_memzone_lookup(mz_name);
 823         if (mz == NULL)
 824                 return -ENOMEM;
 825
 826         RTE_ASSERT(*data == mz->addr);
 827         *data = NULL;
 828
 829         if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
 830                 CDEV_LOG_DEBUG("PRIMARY:free memzone of %s (%p)",
 831                                 mz_name, mz);
 832                 return rte_memzone_free(mz);
 833         } else {
 834                 CDEV_LOG_DEBUG("SECONDARY:don't free memzone of %s (%p)",
 835                                 mz_name, mz);
 836         }
 837
 838         return 0;
 839 }
 840
 841 static uint8_t
 842 rte_cryptodev_find_free_device_index(void)
 843 {
 844         uint8_t dev_id;
 845
 846         for (dev_id = 0; dev_id < RTE_CRYPTO_MAX_DEVS; dev_id++) {
 847                 if (rte_crypto_devices[dev_id].attached ==
 848                                 RTE_CRYPTODEV_DETACHED)
 849                         return dev_id;
 850         }
 851         return RTE_CRYPTO_MAX_DEVS;
 852 }
 853
 854 struct rte_cryptodev *
 855 rte_cryptodev_pmd_allocate(const char *name, int socket_id)
 856 {
 857         struct rte_cryptodev *cryptodev;
 858         uint8_t dev_id;
 859
 860         if (rte_cryptodev_pmd_get_named_dev(name) != NULL) {
 861                 CDEV_LOG_ERR("Crypto device with name %s already "
 862                                 "allocated!", name);
 863                 return NULL;
 864         }
 865
 866         dev_id = rte_cryptodev_find_free_device_index();
 867         if (dev_id == RTE_CRYPTO_MAX_DEVS) {
 868                 CDEV_LOG_ERR("Reached maximum number of crypto devices");
 869                 return NULL;
 870         }
 871
 872         cryptodev = rte_cryptodev_pmd_get_dev(dev_id);
 873
 874         if (cryptodev->data == NULL) {
 875                 struct rte_cryptodev_data **cryptodev_data =
 876                                 &cryptodev_globals.data[dev_id];
 877
 878                 int retval = rte_cryptodev_data_alloc(dev_id, cryptodev_data,
 879                                 socket_id);
 880
 881                 if (retval < 0 || *cryptodev_data == NULL)
 882                         return NULL;
 883
 884                 cryptodev->data = *cryptodev_data;
 885
 886                 if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
 887                         strlcpy(cryptodev->data->name, name,
 888                                 RTE_CRYPTODEV_NAME_MAX_LEN);
 889
 890                         cryptodev->data->dev_id = dev_id;
 891                         cryptodev->data->socket_id = socket_id;
 892                         cryptodev->data->dev_started = 0;
 893                         CDEV_LOG_DEBUG("PRIMARY:init data");
 894                 }
 895
 896                 CDEV_LOG_DEBUG("Data for %s: dev_id %d, socket %d, started %d",
 897                                 cryptodev->data->name,
 898                                 cryptodev->data->dev_id,
 899                                 cryptodev->data->socket_id,
 900                                 cryptodev->data->dev_started);
 901
 902                 /* init user callbacks */
 903                 TAILQ_INIT(&(cryptodev->link_intr_cbs));
 904
 905                 cryptodev->attached = RTE_CRYPTODEV_ATTACHED;
 906
 907                 cryptodev_globals.nb_devs++;
 908         }
 909
 910         return cryptodev;
 911 }
 912
 913 int
 914 rte_cryptodev_pmd_release_device(struct rte_cryptodev *cryptodev)
 915 {
 916         int ret;
 917         uint8_t dev_id;
 918
 919         if (cryptodev == NULL)
 920                 return -EINVAL;
 921
 922         dev_id = cryptodev->data->dev_id;
 923
 924         cryptodev_fp_ops_reset(rte_crypto_fp_ops + dev_id);
 925
 926         /* Close device only if device operations have been set */
 927         if (cryptodev->dev_ops) {
 928                 ret = rte_cryptodev_close(dev_id);
 929                 if (ret < 0)
 930                         return ret;
 931         }
 932
 933         ret = rte_cryptodev_data_free(dev_id, &cryptodev_globals.data[dev_id]);
 934         if (ret < 0)
 935                 return ret;
 936
 937         cryptodev->attached = RTE_CRYPTODEV_DETACHED;
 938         cryptodev_globals.nb_devs--;
 939         return 0;
 940 }
 941
 942 uint16_t
 943 rte_cryptodev_queue_pair_count(uint8_t dev_id)
 944 {
 945         struct rte_cryptodev *dev;
 946
 947         if (!rte_cryptodev_is_valid_device_data(dev_id)) {
 948                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
 949                 return 0;
 950         }
 951
 952         dev = &rte_crypto_devices[dev_id];
 953         return dev->data->nb_queue_pairs;
 954 }
 955
 956 static int
 957 rte_cryptodev_queue_pairs_config(struct rte_cryptodev *dev, uint16_t nb_qpairs,
 958                 int socket_id)
 959 {
 960         struct rte_cryptodev_info dev_info;
 961         void **qp;
 962         unsigned i;
 963
 964         if ((dev == NULL) || (nb_qpairs < 1)) {
 965                 CDEV_LOG_ERR("invalid param: dev %p, nb_queues %u",
 966                                                         dev, nb_qpairs);
 967                 return -EINVAL;
 968         }
 969
 970         CDEV_LOG_DEBUG("Setup %d queues pairs on device %u",
 971                         nb_qpairs, dev->data->dev_id);
 972
 973         memset(&dev_info, 0, sizeof(struct rte_cryptodev_info));
 974
 975         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_infos_get, -ENOTSUP);
 976         (*dev->dev_ops->dev_infos_get)(dev, &dev_info);
 977
 978         if (nb_qpairs > (dev_info.max_nb_queue_pairs)) {
 979                 CDEV_LOG_ERR("Invalid num queue_pairs (%u) for dev %u",
 980                                 nb_qpairs, dev->data->dev_id);
 981             return -EINVAL;
 982         }
 983
 984         if (dev->data->queue_pairs == NULL) { /* first time configuration */
 985                 dev->data->queue_pairs = rte_zmalloc_socket(
 986                                 "cryptodev->queue_pairs",
 987                                 sizeof(dev->data->queue_pairs[0]) *
 988                                 dev_info.max_nb_queue_pairs,
 989                                 RTE_CACHE_LINE_SIZE, socket_id);
 990
 991                 if (dev->data->queue_pairs == NULL) {
 992                         dev->data->nb_queue_pairs = 0;
 993                         CDEV_LOG_ERR("failed to get memory for qp meta data, "
 994                                                         "nb_queues %u",
 995                                                         nb_qpairs);
 996                         return -(ENOMEM);
 997                 }
 998         } else { /* re-configure */
 999                 int ret;
1000                 uint16_t old_nb_queues = dev->data->nb_queue_pairs;
1001
1002                 qp = dev->data->queue_pairs;
1003
1004                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->queue_pair_release,
1005                                 -ENOTSUP);
1006
1007                 for (i = nb_qpairs; i < old_nb_queues; i++) {
1008                         ret = (*dev->dev_ops->queue_pair_release)(dev, i);
1009                         if (ret < 0)
1010                                 return ret;
1011                         qp[i] = NULL;
1012                 }
1013
1014         }
1015         dev->data->nb_queue_pairs = nb_qpairs;
1016         return 0;
1017 }
1018
1019 int
1020 rte_cryptodev_configure(uint8_t dev_id, struct rte_cryptodev_config *config)
1021 {
1022         struct rte_cryptodev *dev;
1023         int diag;
1024
1025         if (!rte_cryptodev_is_valid_dev(dev_id)) {
1026                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
1027                 return -EINVAL;
1028         }
1029
1030         dev = &rte_crypto_devices[dev_id];
1031
1032         if (dev->data->dev_started) {
1033                 CDEV_LOG_ERR(
1034                     "device %d must be stopped to allow configuration", dev_id);
1035                 return -EBUSY;
1036         }
1037
1038         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_configure, -ENOTSUP);
1039
1040         rte_spinlock_lock(&rte_cryptodev_callback_lock);
1041         cryptodev_cb_cleanup(dev);
1042         rte_spinlock_unlock(&rte_cryptodev_callback_lock);
1043
1044         /* Setup new number of queue pairs and reconfigure device. */
1045         diag = rte_cryptodev_queue_pairs_config(dev, config->nb_queue_pairs,
1046                         config->socket_id);
1047         if (diag != 0) {
1048                 CDEV_LOG_ERR("dev%d rte_crypto_dev_queue_pairs_config = %d",
1049                                 dev_id, diag);
1050                 return diag;
1051         }
1052
1053         rte_spinlock_lock(&rte_cryptodev_callback_lock);
1054         diag = cryptodev_cb_init(dev);
1055         rte_spinlock_unlock(&rte_cryptodev_callback_lock);
1056         if (diag) {
1057                 CDEV_LOG_ERR("Callback init failed for dev_id=%d", dev_id);
1058                 return diag;
1059         }
1060
1061         rte_cryptodev_trace_configure(dev_id, config);
1062         return (*dev->dev_ops->dev_configure)(dev, config);
1063 }
1064
1065 int
1066 rte_cryptodev_start(uint8_t dev_id)
1067 {
1068         struct rte_cryptodev *dev;
1069         int diag;
1070
1071         CDEV_LOG_DEBUG("Start dev_id=%" PRIu8, dev_id);
1072
1073         if (!rte_cryptodev_is_valid_dev(dev_id)) {
1074                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
1075                 return -EINVAL;
1076         }
1077
1078         dev = &rte_crypto_devices[dev_id];
1079
1080         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_start, -ENOTSUP);
1081
1082         if (dev->data->dev_started != 0) {
1083                 CDEV_LOG_ERR("Device with dev_id=%" PRIu8 " already started",
1084                         dev_id);
1085                 return 0;
1086         }
1087
1088         diag = (*dev->dev_ops->dev_start)(dev);
1089         /* expose selection of PMD fast-path functions */
1090         cryptodev_fp_ops_set(rte_crypto_fp_ops + dev_id, dev);
1091
1092         rte_cryptodev_trace_start(dev_id, diag);
1093         if (diag == 0)
1094                 dev->data->dev_started = 1;
1095         else
1096                 return diag;
1097
1098         return 0;
1099 }
1100
1101 void
1102 rte_cryptodev_stop(uint8_t dev_id)
1103 {
1104         struct rte_cryptodev *dev;
1105
1106         if (!rte_cryptodev_is_valid_dev(dev_id)) {
1107                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
1108                 return;
1109         }
1110
1111         dev = &rte_crypto_devices[dev_id];
1112
1113         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->dev_stop);
1114
1115         if (dev->data->dev_started == 0) {
1116                 CDEV_LOG_ERR("Device with dev_id=%" PRIu8 " already stopped",
1117                         dev_id);
1118                 return;
1119         }
1120
1121         /* point fast-path functions to dummy ones */
1122         cryptodev_fp_ops_reset(rte_crypto_fp_ops + dev_id);
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_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_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_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_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_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_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_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_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_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_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_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_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_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_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_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_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_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_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_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_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         uint32_t max_nb_to_dequeue,
2236         rte_cryptodev_raw_post_dequeue_t post_dequeue,
2237         void **out_user_data, uint8_t is_user_data_array,
2238         uint32_t *n_success_jobs, int *status)
2239 {
2240         return (*ctx->dequeue_burst)(ctx->qp_data, ctx->drv_ctx_data,
2241                 get_dequeue_count, max_nb_to_dequeue, post_dequeue,
2242                 out_user_data, is_user_data_array, n_success_jobs, status);
2243 }
2244
2245 int
2246 rte_cryptodev_raw_dequeue_done(struct rte_crypto_raw_dp_ctx *ctx,
2247                 uint32_t n)
2248 {
2249         return (*ctx->dequeue_done)(ctx->qp_data, ctx->drv_ctx_data, n);
2250 }
2251
2252 /** Initialise rte_crypto_op mempool element */
2253 static void
2254 rte_crypto_op_init(struct rte_mempool *mempool,
2255                 void *opaque_arg,
2256                 void *_op_data,
2257                 __rte_unused unsigned i)
2258 {
2259         struct rte_crypto_op *op = _op_data;
2260         enum rte_crypto_op_type type = *(enum rte_crypto_op_type *)opaque_arg;
2261
2262         memset(_op_data, 0, mempool->elt_size);
2263
2264         __rte_crypto_op_reset(op, type);
2265
2266         op->phys_addr = rte_mem_virt2iova(_op_data);
2267         op->mempool = mempool;
2268 }
2269
2270
2271 struct rte_mempool *
2272 rte_crypto_op_pool_create(const char *name, enum rte_crypto_op_type type,
2273                 unsigned nb_elts, unsigned cache_size, uint16_t priv_size,
2274                 int socket_id)
2275 {
2276         struct rte_crypto_op_pool_private *priv;
2277
2278         unsigned elt_size = sizeof(struct rte_crypto_op) +
2279                         priv_size;
2280
2281         if (type == RTE_CRYPTO_OP_TYPE_SYMMETRIC) {
2282                 elt_size += sizeof(struct rte_crypto_sym_op);
2283         } else if (type == RTE_CRYPTO_OP_TYPE_ASYMMETRIC) {
2284                 elt_size += sizeof(struct rte_crypto_asym_op);
2285         } else if (type == RTE_CRYPTO_OP_TYPE_UNDEFINED) {
2286                 elt_size += RTE_MAX(sizeof(struct rte_crypto_sym_op),
2287                                     sizeof(struct rte_crypto_asym_op));
2288         } else {
2289                 CDEV_LOG_ERR("Invalid op_type\n");
2290                 return NULL;
2291         }
2292
2293         /* lookup mempool in case already allocated */
2294         struct rte_mempool *mp = rte_mempool_lookup(name);
2295
2296         if (mp != NULL) {
2297                 priv = (struct rte_crypto_op_pool_private *)
2298                                 rte_mempool_get_priv(mp);
2299
2300                 if (mp->elt_size != elt_size ||
2301                                 mp->cache_size < cache_size ||
2302                                 mp->size < nb_elts ||
2303                                 priv->priv_size <  priv_size) {
2304                         mp = NULL;
2305                         CDEV_LOG_ERR("Mempool %s already exists but with "
2306                                         "incompatible parameters", name);
2307                         return NULL;
2308                 }
2309                 return mp;
2310         }
2311
2312         mp = rte_mempool_create(
2313                         name,
2314                         nb_elts,
2315                         elt_size,
2316                         cache_size,
2317                         sizeof(struct rte_crypto_op_pool_private),
2318                         NULL,
2319                         NULL,
2320                         rte_crypto_op_init,
2321                         &type,
2322                         socket_id,
2323                         0);
2324
2325         if (mp == NULL) {
2326                 CDEV_LOG_ERR("Failed to create mempool %s", name);
2327                 return NULL;
2328         }
2329
2330         priv = (struct rte_crypto_op_pool_private *)
2331                         rte_mempool_get_priv(mp);
2332
2333         priv->priv_size = priv_size;
2334         priv->type = type;
2335
2336         return mp;
2337 }
2338
2339 int
2340 rte_cryptodev_pmd_create_dev_name(char *name, const char *dev_name_prefix)
2341 {
2342         struct rte_cryptodev *dev = NULL;
2343         uint32_t i = 0;
2344
2345         if (name == NULL)
2346                 return -EINVAL;
2347
2348         for (i = 0; i < RTE_CRYPTO_MAX_DEVS; i++) {
2349                 int ret = snprintf(name, RTE_CRYPTODEV_NAME_MAX_LEN,
2350                                 "%s_%u", dev_name_prefix, i);
2351
2352                 if (ret < 0)
2353                         return ret;
2354
2355                 dev = rte_cryptodev_pmd_get_named_dev(name);
2356                 if (!dev)
2357                         return 0;
2358         }
2359
2360         return -1;
2361 }
2362
2363 TAILQ_HEAD(cryptodev_driver_list, cryptodev_driver);
2364
2365 static struct cryptodev_driver_list cryptodev_driver_list =
2366         TAILQ_HEAD_INITIALIZER(cryptodev_driver_list);
2367
2368 int
2369 rte_cryptodev_driver_id_get(const char *name)
2370 {
2371         struct cryptodev_driver *driver;
2372         const char *driver_name;
2373
2374         if (name == NULL) {
2375                 RTE_LOG(DEBUG, CRYPTODEV, "name pointer NULL");
2376                 return -1;
2377         }
2378
2379         TAILQ_FOREACH(driver, &cryptodev_driver_list, next) {
2380                 driver_name = driver->driver->name;
2381                 if (strncmp(driver_name, name, strlen(driver_name) + 1) == 0)
2382                         return driver->id;
2383         }
2384         return -1;
2385 }
2386
2387 const char *
2388 rte_cryptodev_name_get(uint8_t dev_id)
2389 {
2390         struct rte_cryptodev *dev;
2391
2392         if (!rte_cryptodev_is_valid_device_data(dev_id)) {
2393                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
2394                 return NULL;
2395         }
2396
2397         dev = rte_cryptodev_pmd_get_dev(dev_id);
2398         if (dev == NULL)
2399                 return NULL;
2400
2401         return dev->data->name;
2402 }
2403
2404 const char *
2405 rte_cryptodev_driver_name_get(uint8_t driver_id)
2406 {
2407         struct cryptodev_driver *driver;
2408
2409         TAILQ_FOREACH(driver, &cryptodev_driver_list, next)
2410                 if (driver->id == driver_id)
2411                         return driver->driver->name;
2412         return NULL;
2413 }
2414
2415 uint8_t
2416 rte_cryptodev_allocate_driver(struct cryptodev_driver *crypto_drv,
2417                 const struct rte_driver *drv)
2418 {
2419         crypto_drv->driver = drv;
2420         crypto_drv->id = nb_drivers;
2421
2422         TAILQ_INSERT_TAIL(&cryptodev_driver_list, crypto_drv, next);
2423
2424         return nb_drivers++;
2425 }
2426
2427 RTE_INIT(cryptodev_init_fp_ops)
2428 {
2429         uint32_t i;
2430
2431         for (i = 0; i != RTE_DIM(rte_crypto_fp_ops); i++)
2432                 cryptodev_fp_ops_reset(rte_crypto_fp_ops + i);
2433 }
2434
2435 static int
2436 cryptodev_handle_dev_list(const char *cmd __rte_unused,
2437                 const char *params __rte_unused,
2438                 struct rte_tel_data *d)
2439 {
2440         int dev_id;
2441
2442         if (rte_cryptodev_count() < 1)
2443                 return -EINVAL;
2444
2445         rte_tel_data_start_array(d, RTE_TEL_INT_VAL);
2446         for (dev_id = 0; dev_id < RTE_CRYPTO_MAX_DEVS; dev_id++)
2447                 if (rte_cryptodev_is_valid_dev(dev_id))
2448                         rte_tel_data_add_array_int(d, dev_id);
2449
2450         return 0;
2451 }
2452
2453 static int
2454 cryptodev_handle_dev_info(const char *cmd __rte_unused,
2455                 const char *params, struct rte_tel_data *d)
2456 {
2457         struct rte_cryptodev_info cryptodev_info;
2458         int dev_id;
2459         char *end_param;
2460
2461         if (params == NULL || strlen(params) == 0 || !isdigit(*params))
2462                 return -EINVAL;
2463
2464         dev_id = strtoul(params, &end_param, 0);
2465         if (*end_param != '\0')
2466                 CDEV_LOG_ERR("Extra parameters passed to command, ignoring");
2467         if (!rte_cryptodev_is_valid_dev(dev_id))
2468                 return -EINVAL;
2469
2470         rte_cryptodev_info_get(dev_id, &cryptodev_info);
2471
2472         rte_tel_data_start_dict(d);
2473         rte_tel_data_add_dict_string(d, "device_name",
2474                 cryptodev_info.device->name);
2475         rte_tel_data_add_dict_int(d, "max_nb_queue_pairs",
2476                 cryptodev_info.max_nb_queue_pairs);
2477
2478         return 0;
2479 }
2480
2481 #define ADD_DICT_STAT(s) rte_tel_data_add_dict_u64(d, #s, cryptodev_stats.s)
2482
2483 static int
2484 cryptodev_handle_dev_stats(const char *cmd __rte_unused,
2485                 const char *params,
2486                 struct rte_tel_data *d)
2487 {
2488         struct rte_cryptodev_stats cryptodev_stats;
2489         int dev_id, ret;
2490         char *end_param;
2491
2492         if (params == NULL || strlen(params) == 0 || !isdigit(*params))
2493                 return -EINVAL;
2494
2495         dev_id = strtoul(params, &end_param, 0);
2496         if (*end_param != '\0')
2497                 CDEV_LOG_ERR("Extra parameters passed to command, ignoring");
2498         if (!rte_cryptodev_is_valid_dev(dev_id))
2499                 return -EINVAL;
2500
2501         ret = rte_cryptodev_stats_get(dev_id, &cryptodev_stats);
2502         if (ret < 0)
2503                 return ret;
2504
2505         rte_tel_data_start_dict(d);
2506         ADD_DICT_STAT(enqueued_count);
2507         ADD_DICT_STAT(dequeued_count);
2508         ADD_DICT_STAT(enqueue_err_count);
2509         ADD_DICT_STAT(dequeue_err_count);
2510
2511         return 0;
2512 }
2513
2514 #define CRYPTO_CAPS_SZ                                             \
2515         (RTE_ALIGN_CEIL(sizeof(struct rte_cryptodev_capabilities), \
2516                                         sizeof(uint64_t)) /        \
2517          sizeof(uint64_t))
2518
2519 static int
2520 crypto_caps_array(struct rte_tel_data *d,
2521                   const struct rte_cryptodev_capabilities *capabilities)
2522 {
2523         const struct rte_cryptodev_capabilities *dev_caps;
2524         uint64_t caps_val[CRYPTO_CAPS_SZ];
2525         unsigned int i = 0, j;
2526
2527         rte_tel_data_start_array(d, RTE_TEL_U64_VAL);
2528
2529         while ((dev_caps = &capabilities[i++])->op !=
2530                         RTE_CRYPTO_OP_TYPE_UNDEFINED) {
2531                 memset(&caps_val, 0, CRYPTO_CAPS_SZ * sizeof(caps_val[0]));
2532                 rte_memcpy(caps_val, dev_caps, sizeof(capabilities[0]));
2533                 for (j = 0; j < CRYPTO_CAPS_SZ; j++)
2534                         rte_tel_data_add_array_u64(d, caps_val[j]);
2535         }
2536
2537         return i;
2538 }
2539
2540 static int
2541 cryptodev_handle_dev_caps(const char *cmd __rte_unused, const char *params,
2542                           struct rte_tel_data *d)
2543 {
2544         struct rte_cryptodev_info dev_info;
2545         struct rte_tel_data *crypto_caps;
2546         int crypto_caps_n;
2547         char *end_param;
2548         int dev_id;
2549
2550         if (!params || strlen(params) == 0 || !isdigit(*params))
2551                 return -EINVAL;
2552
2553         dev_id = strtoul(params, &end_param, 0);
2554         if (*end_param != '\0')
2555                 CDEV_LOG_ERR("Extra parameters passed to command, ignoring");
2556         if (!rte_cryptodev_is_valid_dev(dev_id))
2557                 return -EINVAL;
2558
2559         rte_tel_data_start_dict(d);
2560         crypto_caps = rte_tel_data_alloc();
2561         if (!crypto_caps)
2562                 return -ENOMEM;
2563
2564         rte_cryptodev_info_get(dev_id, &dev_info);
2565         crypto_caps_n = crypto_caps_array(crypto_caps, dev_info.capabilities);
2566         rte_tel_data_add_dict_container(d, "crypto_caps", crypto_caps, 0);
2567         rte_tel_data_add_dict_int(d, "crypto_caps_n", crypto_caps_n);
2568
2569         return 0;
2570 }
2571
2572 RTE_INIT(cryptodev_init_telemetry)
2573 {
2574         rte_telemetry_register_cmd("/cryptodev/info", cryptodev_handle_dev_info,
2575                         "Returns information for a cryptodev. Parameters: int dev_id");
2576         rte_telemetry_register_cmd("/cryptodev/list",
2577                         cryptodev_handle_dev_list,
2578                         "Returns list of available crypto devices by IDs. No parameters.");
2579         rte_telemetry_register_cmd("/cryptodev/stats",
2580                         cryptodev_handle_dev_stats,
2581                         "Returns the stats for a cryptodev. Parameters: int dev_id");
2582         rte_telemetry_register_cmd("/cryptodev/caps",
2583                         cryptodev_handle_dev_caps,
2584                         "Returns the capabilities for a cryptodev. Parameters: int dev_id");
2585 }