lib/librte_cryptodev/rte_cryptodev.c

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2015-2017 Intel Corporation
   3  */
   4
   5 #include <sys/types.h>
   6 #include <sys/queue.h>
   7 #include <ctype.h>
   8 #include <stdio.h>
   9 #include <stdlib.h>
  10 #include <string.h>
  11 #include <stdarg.h>
  12 #include <errno.h>
  13 #include <stdint.h>
  14 #include <inttypes.h>
  15 #include <netinet/in.h>
  16
  17 #include <rte_byteorder.h>
  18 #include <rte_log.h>
  19 #include <rte_debug.h>
  20 #include <rte_dev.h>
  21 #include <rte_interrupts.h>
  22 #include <rte_memory.h>
  23 #include <rte_memcpy.h>
  24 #include <rte_memzone.h>
  25 #include <rte_launch.h>
  26 #include <rte_tailq.h>
  27 #include <rte_eal.h>
  28 #include <rte_per_lcore.h>
  29 #include <rte_lcore.h>
  30 #include <rte_atomic.h>
  31 #include <rte_branch_prediction.h>
  32 #include <rte_common.h>
  33 #include <rte_mempool.h>
  34 #include <rte_malloc.h>
  35 #include <rte_mbuf.h>
  36 #include <rte_errno.h>
  37 #include <rte_spinlock.h>
  38 #include <rte_string_fns.h>
  39
  40 #include "rte_crypto.h"
  41 #include "rte_cryptodev.h"
  42 #include "rte_cryptodev_pmd.h"
  43
  44 static uint8_t nb_drivers;
  45
  46 static struct rte_cryptodev rte_crypto_devices[RTE_CRYPTO_MAX_DEVS];
  47
  48 struct rte_cryptodev *rte_cryptodevs = rte_crypto_devices;
  49
  50 static struct rte_cryptodev_global cryptodev_globals = {
  51                 .devs                   = rte_crypto_devices,
  52                 .data                   = { NULL },
  53                 .nb_devs                = 0
  54 };
  55
  56 /* spinlock for crypto device callbacks */
  57 static rte_spinlock_t rte_cryptodev_cb_lock = RTE_SPINLOCK_INITIALIZER;
  58
  59
  60 /**
  61  * The user application callback description.
  62  *
  63  * It contains callback address to be registered by user application,
  64  * the pointer to the parameters for callback, and the event type.
  65  */
  66 struct rte_cryptodev_callback {
  67         TAILQ_ENTRY(rte_cryptodev_callback) next; /**< Callbacks list */
  68         rte_cryptodev_cb_fn cb_fn;              /**< Callback address */
  69         void *cb_arg;                           /**< Parameter for callback */
  70         enum rte_cryptodev_event_type event;    /**< Interrupt event type */
  71         uint32_t active;                        /**< Callback is executing */
  72 };
  73
  74 /**
  75  * The crypto cipher algorithm strings identifiers.
  76  * It could be used in application command line.
  77  */
  78 const char *
  79 rte_crypto_cipher_algorithm_strings[] = {
  80         [RTE_CRYPTO_CIPHER_3DES_CBC]    = "3des-cbc",
  81         [RTE_CRYPTO_CIPHER_3DES_ECB]    = "3des-ecb",
  82         [RTE_CRYPTO_CIPHER_3DES_CTR]    = "3des-ctr",
  83
  84         [RTE_CRYPTO_CIPHER_AES_CBC]     = "aes-cbc",
  85         [RTE_CRYPTO_CIPHER_AES_CTR]     = "aes-ctr",
  86         [RTE_CRYPTO_CIPHER_AES_DOCSISBPI]       = "aes-docsisbpi",
  87         [RTE_CRYPTO_CIPHER_AES_ECB]     = "aes-ecb",
  88         [RTE_CRYPTO_CIPHER_AES_F8]      = "aes-f8",
  89         [RTE_CRYPTO_CIPHER_AES_XTS]     = "aes-xts",
  90
  91         [RTE_CRYPTO_CIPHER_ARC4]        = "arc4",
  92
  93         [RTE_CRYPTO_CIPHER_DES_CBC]     = "des-cbc",
  94         [RTE_CRYPTO_CIPHER_DES_DOCSISBPI]       = "des-docsisbpi",
  95
  96         [RTE_CRYPTO_CIPHER_NULL]        = "null",
  97
  98         [RTE_CRYPTO_CIPHER_KASUMI_F8]   = "kasumi-f8",
  99         [RTE_CRYPTO_CIPHER_SNOW3G_UEA2] = "snow3g-uea2",
 100         [RTE_CRYPTO_CIPHER_ZUC_EEA3]    = "zuc-eea3"
 101 };
 102
 103 /**
 104  * The crypto cipher operation strings identifiers.
 105  * It could be used in application command line.
 106  */
 107 const char *
 108 rte_crypto_cipher_operation_strings[] = {
 109                 [RTE_CRYPTO_CIPHER_OP_ENCRYPT]  = "encrypt",
 110                 [RTE_CRYPTO_CIPHER_OP_DECRYPT]  = "decrypt"
 111 };
 112
 113 /**
 114  * The crypto auth algorithm strings identifiers.
 115  * It could be used in application command line.
 116  */
 117 const char *
 118 rte_crypto_auth_algorithm_strings[] = {
 119         [RTE_CRYPTO_AUTH_AES_CBC_MAC]   = "aes-cbc-mac",
 120         [RTE_CRYPTO_AUTH_AES_CMAC]      = "aes-cmac",
 121         [RTE_CRYPTO_AUTH_AES_GMAC]      = "aes-gmac",
 122         [RTE_CRYPTO_AUTH_AES_XCBC_MAC]  = "aes-xcbc-mac",
 123
 124         [RTE_CRYPTO_AUTH_MD5]           = "md5",
 125         [RTE_CRYPTO_AUTH_MD5_HMAC]      = "md5-hmac",
 126
 127         [RTE_CRYPTO_AUTH_NULL]          = "null",
 128
 129         [RTE_CRYPTO_AUTH_SHA1]          = "sha1",
 130         [RTE_CRYPTO_AUTH_SHA1_HMAC]     = "sha1-hmac",
 131
 132         [RTE_CRYPTO_AUTH_SHA224]        = "sha2-224",
 133         [RTE_CRYPTO_AUTH_SHA224_HMAC]   = "sha2-224-hmac",
 134         [RTE_CRYPTO_AUTH_SHA256]        = "sha2-256",
 135         [RTE_CRYPTO_AUTH_SHA256_HMAC]   = "sha2-256-hmac",
 136         [RTE_CRYPTO_AUTH_SHA384]        = "sha2-384",
 137         [RTE_CRYPTO_AUTH_SHA384_HMAC]   = "sha2-384-hmac",
 138         [RTE_CRYPTO_AUTH_SHA512]        = "sha2-512",
 139         [RTE_CRYPTO_AUTH_SHA512_HMAC]   = "sha2-512-hmac",
 140
 141         [RTE_CRYPTO_AUTH_KASUMI_F9]     = "kasumi-f9",
 142         [RTE_CRYPTO_AUTH_SNOW3G_UIA2]   = "snow3g-uia2",
 143         [RTE_CRYPTO_AUTH_ZUC_EIA3]      = "zuc-eia3"
 144 };
 145
 146 /**
 147  * The crypto AEAD algorithm strings identifiers.
 148  * It could be used in application command line.
 149  */
 150 const char *
 151 rte_crypto_aead_algorithm_strings[] = {
 152         [RTE_CRYPTO_AEAD_AES_CCM]       = "aes-ccm",
 153         [RTE_CRYPTO_AEAD_AES_GCM]       = "aes-gcm",
 154         [RTE_CRYPTO_AEAD_CHACHA20_POLY1305] = "chacha20-poly1305"
 155 };
 156
 157 /**
 158  * The crypto AEAD operation strings identifiers.
 159  * It could be used in application command line.
 160  */
 161 const char *
 162 rte_crypto_aead_operation_strings[] = {
 163         [RTE_CRYPTO_AEAD_OP_ENCRYPT]    = "encrypt",
 164         [RTE_CRYPTO_AEAD_OP_DECRYPT]    = "decrypt"
 165 };
 166
 167 /**
 168  * Asymmetric crypto transform operation strings identifiers.
 169  */
 170 const char *rte_crypto_asym_xform_strings[] = {
 171         [RTE_CRYPTO_ASYM_XFORM_NONE]    = "none",
 172         [RTE_CRYPTO_ASYM_XFORM_RSA]     = "rsa",
 173         [RTE_CRYPTO_ASYM_XFORM_MODEX]   = "modexp",
 174         [RTE_CRYPTO_ASYM_XFORM_MODINV]  = "modinv",
 175         [RTE_CRYPTO_ASYM_XFORM_DH]      = "dh",
 176         [RTE_CRYPTO_ASYM_XFORM_DSA]     = "dsa",
 177 };
 178
 179 /**
 180  * Asymmetric crypto operation strings identifiers.
 181  */
 182 const char *rte_crypto_asym_op_strings[] = {
 183         [RTE_CRYPTO_ASYM_OP_ENCRYPT]    = "encrypt",
 184         [RTE_CRYPTO_ASYM_OP_DECRYPT]    = "decrypt",
 185         [RTE_CRYPTO_ASYM_OP_SIGN]       = "sign",
 186         [RTE_CRYPTO_ASYM_OP_VERIFY]     = "verify",
 187         [RTE_CRYPTO_ASYM_OP_PRIVATE_KEY_GENERATE]       = "priv_key_generate",
 188         [RTE_CRYPTO_ASYM_OP_PUBLIC_KEY_GENERATE] = "pub_key_generate",
 189         [RTE_CRYPTO_ASYM_OP_SHARED_SECRET_COMPUTE] = "sharedsecret_compute",
 190 };
 191
 192 /**
 193  * The private data structure stored in the session mempool private data.
 194  */
 195 struct rte_cryptodev_sym_session_pool_private_data {
 196         uint16_t nb_drivers;
 197         /**< number of elements in sess_data array */
 198         uint16_t user_data_sz;
 199         /**< session user data will be placed after sess_data */
 200 };
 201
 202 int
 203 rte_cryptodev_get_cipher_algo_enum(enum rte_crypto_cipher_algorithm *algo_enum,
 204                 const char *algo_string)
 205 {
 206         unsigned int i;
 207
 208         for (i = 1; i < RTE_DIM(rte_crypto_cipher_algorithm_strings); i++) {
 209                 if (strcmp(algo_string, rte_crypto_cipher_algorithm_strings[i]) == 0) {
 210                         *algo_enum = (enum rte_crypto_cipher_algorithm) i;
 211                         return 0;
 212                 }
 213         }
 214
 215         /* Invalid string */
 216         return -1;
 217 }
 218
 219 int
 220 rte_cryptodev_get_auth_algo_enum(enum rte_crypto_auth_algorithm *algo_enum,
 221                 const char *algo_string)
 222 {
 223         unsigned int i;
 224
 225         for (i = 1; i < RTE_DIM(rte_crypto_auth_algorithm_strings); i++) {
 226                 if (strcmp(algo_string, rte_crypto_auth_algorithm_strings[i]) == 0) {
 227                         *algo_enum = (enum rte_crypto_auth_algorithm) i;
 228                         return 0;
 229                 }
 230         }
 231
 232         /* Invalid string */
 233         return -1;
 234 }
 235
 236 int
 237 rte_cryptodev_get_aead_algo_enum(enum rte_crypto_aead_algorithm *algo_enum,
 238                 const char *algo_string)
 239 {
 240         unsigned int i;
 241
 242         for (i = 1; i < RTE_DIM(rte_crypto_aead_algorithm_strings); i++) {
 243                 if (strcmp(algo_string, rte_crypto_aead_algorithm_strings[i]) == 0) {
 244                         *algo_enum = (enum rte_crypto_aead_algorithm) i;
 245                         return 0;
 246                 }
 247         }
 248
 249         /* Invalid string */
 250         return -1;
 251 }
 252
 253 int
 254 rte_cryptodev_asym_get_xform_enum(enum rte_crypto_asym_xform_type *xform_enum,
 255                 const char *xform_string)
 256 {
 257         unsigned int i;
 258
 259         for (i = 1; i < RTE_DIM(rte_crypto_asym_xform_strings); i++) {
 260                 if (strcmp(xform_string,
 261                         rte_crypto_asym_xform_strings[i]) == 0) {
 262                         *xform_enum = (enum rte_crypto_asym_xform_type) i;
 263                         return 0;
 264                 }
 265         }
 266
 267         /* Invalid string */
 268         return -1;
 269 }
 270
 271 /**
 272  * The crypto auth operation strings identifiers.
 273  * It could be used in application command line.
 274  */
 275 const char *
 276 rte_crypto_auth_operation_strings[] = {
 277                 [RTE_CRYPTO_AUTH_OP_VERIFY]     = "verify",
 278                 [RTE_CRYPTO_AUTH_OP_GENERATE]   = "generate"
 279 };
 280
 281 const struct rte_cryptodev_symmetric_capability *
 282 rte_cryptodev_sym_capability_get(uint8_t dev_id,
 283                 const struct rte_cryptodev_sym_capability_idx *idx)
 284 {
 285         const struct rte_cryptodev_capabilities *capability;
 286         struct rte_cryptodev_info dev_info;
 287         int i = 0;
 288
 289         rte_cryptodev_info_get(dev_id, &dev_info);
 290
 291         while ((capability = &dev_info.capabilities[i++])->op !=
 292                         RTE_CRYPTO_OP_TYPE_UNDEFINED) {
 293                 if (capability->op != RTE_CRYPTO_OP_TYPE_SYMMETRIC)
 294                         continue;
 295
 296                 if (capability->sym.xform_type != idx->type)
 297                         continue;
 298
 299                 if (idx->type == RTE_CRYPTO_SYM_XFORM_AUTH &&
 300                         capability->sym.auth.algo == idx->algo.auth)
 301                         return &capability->sym;
 302
 303                 if (idx->type == RTE_CRYPTO_SYM_XFORM_CIPHER &&
 304                         capability->sym.cipher.algo == idx->algo.cipher)
 305                         return &capability->sym;
 306
 307                 if (idx->type == RTE_CRYPTO_SYM_XFORM_AEAD &&
 308                                 capability->sym.aead.algo == idx->algo.aead)
 309                         return &capability->sym;
 310         }
 311
 312         return NULL;
 313
 314 }
 315
 316 static int
 317 param_range_check(uint16_t size, const struct rte_crypto_param_range *range)
 318 {
 319         unsigned int next_size;
 320
 321         /* Check lower/upper bounds */
 322         if (size < range->min)
 323                 return -1;
 324
 325         if (size > range->max)
 326                 return -1;
 327
 328         /* If range is actually only one value, size is correct */
 329         if (range->increment == 0)
 330                 return 0;
 331
 332         /* Check if value is one of the supported sizes */
 333         for (next_size = range->min; next_size <= range->max;
 334                         next_size += range->increment)
 335                 if (size == next_size)
 336                         return 0;
 337
 338         return -1;
 339 }
 340
 341 const struct rte_cryptodev_asymmetric_xform_capability *
 342 rte_cryptodev_asym_capability_get(uint8_t dev_id,
 343                 const struct rte_cryptodev_asym_capability_idx *idx)
 344 {
 345         const struct rte_cryptodev_capabilities *capability;
 346         struct rte_cryptodev_info dev_info;
 347         unsigned int i = 0;
 348
 349         memset(&dev_info, 0, sizeof(struct rte_cryptodev_info));
 350         rte_cryptodev_info_get(dev_id, &dev_info);
 351
 352         while ((capability = &dev_info.capabilities[i++])->op !=
 353                         RTE_CRYPTO_OP_TYPE_UNDEFINED) {
 354                 if (capability->op != RTE_CRYPTO_OP_TYPE_ASYMMETRIC)
 355                         continue;
 356
 357                 if (capability->asym.xform_capa.xform_type == idx->type)
 358                         return &capability->asym.xform_capa;
 359         }
 360         return NULL;
 361 };
 362
 363 int
 364 rte_cryptodev_sym_capability_check_cipher(
 365                 const struct rte_cryptodev_symmetric_capability *capability,
 366                 uint16_t key_size, uint16_t iv_size)
 367 {
 368         if (param_range_check(key_size, &capability->cipher.key_size) != 0)
 369                 return -1;
 370
 371         if (param_range_check(iv_size, &capability->cipher.iv_size) != 0)
 372                 return -1;
 373
 374         return 0;
 375 }
 376
 377 int
 378 rte_cryptodev_sym_capability_check_auth(
 379                 const struct rte_cryptodev_symmetric_capability *capability,
 380                 uint16_t key_size, uint16_t digest_size, uint16_t iv_size)
 381 {
 382         if (param_range_check(key_size, &capability->auth.key_size) != 0)
 383                 return -1;
 384
 385         if (param_range_check(digest_size, &capability->auth.digest_size) != 0)
 386                 return -1;
 387
 388         if (param_range_check(iv_size, &capability->auth.iv_size) != 0)
 389                 return -1;
 390
 391         return 0;
 392 }
 393
 394 int
 395 rte_cryptodev_sym_capability_check_aead(
 396                 const struct rte_cryptodev_symmetric_capability *capability,
 397                 uint16_t key_size, uint16_t digest_size, uint16_t aad_size,
 398                 uint16_t iv_size)
 399 {
 400         if (param_range_check(key_size, &capability->aead.key_size) != 0)
 401                 return -1;
 402
 403         if (param_range_check(digest_size, &capability->aead.digest_size) != 0)
 404                 return -1;
 405
 406         if (param_range_check(aad_size, &capability->aead.aad_size) != 0)
 407                 return -1;
 408
 409         if (param_range_check(iv_size, &capability->aead.iv_size) != 0)
 410                 return -1;
 411
 412         return 0;
 413 }
 414 int
 415 rte_cryptodev_asym_xform_capability_check_optype(
 416         const struct rte_cryptodev_asymmetric_xform_capability *capability,
 417         enum rte_crypto_asym_op_type op_type)
 418 {
 419         if (capability->op_types & (1 << op_type))
 420                 return 1;
 421
 422         return 0;
 423 }
 424
 425 int
 426 rte_cryptodev_asym_xform_capability_check_modlen(
 427         const struct rte_cryptodev_asymmetric_xform_capability *capability,
 428         uint16_t modlen)
 429 {
 430         /* no need to check for limits, if min or max = 0 */
 431         if (capability->modlen.min != 0) {
 432                 if (modlen < capability->modlen.min)
 433                         return -1;
 434         }
 435
 436         if (capability->modlen.max != 0) {
 437                 if (modlen > capability->modlen.max)
 438                         return -1;
 439         }
 440
 441         /* in any case, check if given modlen is module increment */
 442         if (capability->modlen.increment != 0) {
 443                 if (modlen % (capability->modlen.increment))
 444                         return -1;
 445         }
 446
 447         return 0;
 448 }
 449
 450
 451 const char *
 452 rte_cryptodev_get_feature_name(uint64_t flag)
 453 {
 454         switch (flag) {
 455         case RTE_CRYPTODEV_FF_SYMMETRIC_CRYPTO:
 456                 return "SYMMETRIC_CRYPTO";
 457         case RTE_CRYPTODEV_FF_ASYMMETRIC_CRYPTO:
 458                 return "ASYMMETRIC_CRYPTO";
 459         case RTE_CRYPTODEV_FF_SYM_OPERATION_CHAINING:
 460                 return "SYM_OPERATION_CHAINING";
 461         case RTE_CRYPTODEV_FF_CPU_SSE:
 462                 return "CPU_SSE";
 463         case RTE_CRYPTODEV_FF_CPU_AVX:
 464                 return "CPU_AVX";
 465         case RTE_CRYPTODEV_FF_CPU_AVX2:
 466                 return "CPU_AVX2";
 467         case RTE_CRYPTODEV_FF_CPU_AVX512:
 468                 return "CPU_AVX512";
 469         case RTE_CRYPTODEV_FF_CPU_AESNI:
 470                 return "CPU_AESNI";
 471         case RTE_CRYPTODEV_FF_HW_ACCELERATED:
 472                 return "HW_ACCELERATED";
 473         case RTE_CRYPTODEV_FF_IN_PLACE_SGL:
 474                 return "IN_PLACE_SGL";
 475         case RTE_CRYPTODEV_FF_OOP_SGL_IN_SGL_OUT:
 476                 return "OOP_SGL_IN_SGL_OUT";
 477         case RTE_CRYPTODEV_FF_OOP_SGL_IN_LB_OUT:
 478                 return "OOP_SGL_IN_LB_OUT";
 479         case RTE_CRYPTODEV_FF_OOP_LB_IN_SGL_OUT:
 480                 return "OOP_LB_IN_SGL_OUT";
 481         case RTE_CRYPTODEV_FF_OOP_LB_IN_LB_OUT:
 482                 return "OOP_LB_IN_LB_OUT";
 483         case RTE_CRYPTODEV_FF_CPU_NEON:
 484                 return "CPU_NEON";
 485         case RTE_CRYPTODEV_FF_CPU_ARM_CE:
 486                 return "CPU_ARM_CE";
 487         case RTE_CRYPTODEV_FF_SECURITY:
 488                 return "SECURITY_PROTOCOL";
 489         case RTE_CRYPTODEV_FF_RSA_PRIV_OP_KEY_EXP:
 490                 return "RSA_PRIV_OP_KEY_EXP";
 491         case RTE_CRYPTODEV_FF_RSA_PRIV_OP_KEY_QT:
 492                 return "RSA_PRIV_OP_KEY_QT";
 493         case RTE_CRYPTODEV_FF_DIGEST_ENCRYPTED:
 494                 return "DIGEST_ENCRYPTED";
 495         default:
 496                 return NULL;
 497         }
 498 }
 499
 500 struct rte_cryptodev *
 501 rte_cryptodev_pmd_get_dev(uint8_t dev_id)
 502 {
 503         return &cryptodev_globals.devs[dev_id];
 504 }
 505
 506 struct rte_cryptodev *
 507 rte_cryptodev_pmd_get_named_dev(const char *name)
 508 {
 509         struct rte_cryptodev *dev;
 510         unsigned int i;
 511
 512         if (name == NULL)
 513                 return NULL;
 514
 515         for (i = 0; i < RTE_CRYPTO_MAX_DEVS; i++) {
 516                 dev = &cryptodev_globals.devs[i];
 517
 518                 if ((dev->attached == RTE_CRYPTODEV_ATTACHED) &&
 519                                 (strcmp(dev->data->name, name) == 0))
 520                         return dev;
 521         }
 522
 523         return NULL;
 524 }
 525
 526 static inline uint8_t
 527 rte_cryptodev_is_valid_device_data(uint8_t dev_id)
 528 {
 529         if (rte_crypto_devices[dev_id].data == NULL)
 530                 return 0;
 531
 532         return 1;
 533 }
 534
 535 unsigned int
 536 rte_cryptodev_pmd_is_valid_dev(uint8_t dev_id)
 537 {
 538         struct rte_cryptodev *dev = NULL;
 539
 540         if (!rte_cryptodev_is_valid_device_data(dev_id))
 541                 return 0;
 542
 543         dev = rte_cryptodev_pmd_get_dev(dev_id);
 544         if (dev->attached != RTE_CRYPTODEV_ATTACHED)
 545                 return 0;
 546         else
 547                 return 1;
 548 }
 549
 550
 551 int
 552 rte_cryptodev_get_dev_id(const char *name)
 553 {
 554         unsigned i;
 555
 556         if (name == NULL)
 557                 return -1;
 558
 559         for (i = 0; i < RTE_CRYPTO_MAX_DEVS; i++) {
 560                 if (!rte_cryptodev_is_valid_device_data(i))
 561                         continue;
 562                 if ((strcmp(cryptodev_globals.devs[i].data->name, name)
 563                                 == 0) &&
 564                                 (cryptodev_globals.devs[i].attached ==
 565                                                 RTE_CRYPTODEV_ATTACHED))
 566                         return i;
 567         }
 568
 569         return -1;
 570 }
 571
 572 uint8_t
 573 rte_cryptodev_count(void)
 574 {
 575         return cryptodev_globals.nb_devs;
 576 }
 577
 578 uint8_t
 579 rte_cryptodev_device_count_by_driver(uint8_t driver_id)
 580 {
 581         uint8_t i, dev_count = 0;
 582
 583         for (i = 0; i < RTE_CRYPTO_MAX_DEVS; i++)
 584                 if (cryptodev_globals.devs[i].driver_id == driver_id &&
 585                         cryptodev_globals.devs[i].attached ==
 586                                         RTE_CRYPTODEV_ATTACHED)
 587                         dev_count++;
 588
 589         return dev_count;
 590 }
 591
 592 uint8_t
 593 rte_cryptodev_devices_get(const char *driver_name, uint8_t *devices,
 594         uint8_t nb_devices)
 595 {
 596         uint8_t i, count = 0;
 597         struct rte_cryptodev *devs = cryptodev_globals.devs;
 598
 599         for (i = 0; i < RTE_CRYPTO_MAX_DEVS && count < nb_devices; i++) {
 600                 if (!rte_cryptodev_is_valid_device_data(i))
 601                         continue;
 602
 603                 if (devs[i].attached == RTE_CRYPTODEV_ATTACHED) {
 604                         int cmp;
 605
 606                         cmp = strncmp(devs[i].device->driver->name,
 607                                         driver_name,
 608                                         strlen(driver_name) + 1);
 609
 610                         if (cmp == 0)
 611                                 devices[count++] = devs[i].data->dev_id;
 612                 }
 613         }
 614
 615         return count;
 616 }
 617
 618 void *
 619 rte_cryptodev_get_sec_ctx(uint8_t dev_id)
 620 {
 621         if (rte_crypto_devices[dev_id].feature_flags &
 622                         RTE_CRYPTODEV_FF_SECURITY)
 623                 return rte_crypto_devices[dev_id].security_ctx;
 624
 625         return NULL;
 626 }
 627
 628 int
 629 rte_cryptodev_socket_id(uint8_t dev_id)
 630 {
 631         struct rte_cryptodev *dev;
 632
 633         if (!rte_cryptodev_pmd_is_valid_dev(dev_id))
 634                 return -1;
 635
 636         dev = rte_cryptodev_pmd_get_dev(dev_id);
 637
 638         return dev->data->socket_id;
 639 }
 640
 641 static inline int
 642 rte_cryptodev_data_alloc(uint8_t dev_id, struct rte_cryptodev_data **data,
 643                 int socket_id)
 644 {
 645         char mz_name[RTE_MEMZONE_NAMESIZE];
 646         const struct rte_memzone *mz;
 647         int n;
 648
 649         /* generate memzone name */
 650         n = snprintf(mz_name, sizeof(mz_name), "rte_cryptodev_data_%u", dev_id);
 651         if (n >= (int)sizeof(mz_name))
 652                 return -EINVAL;
 653
 654         if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
 655                 mz = rte_memzone_reserve(mz_name,
 656                                 sizeof(struct rte_cryptodev_data),
 657                                 socket_id, 0);
 658         } else
 659                 mz = rte_memzone_lookup(mz_name);
 660
 661         if (mz == NULL)
 662                 return -ENOMEM;
 663
 664         *data = mz->addr;
 665         if (rte_eal_process_type() == RTE_PROC_PRIMARY)
 666                 memset(*data, 0, sizeof(struct rte_cryptodev_data));
 667
 668         return 0;
 669 }
 670
 671 static inline int
 672 rte_cryptodev_data_free(uint8_t dev_id, struct rte_cryptodev_data **data)
 673 {
 674         char mz_name[RTE_MEMZONE_NAMESIZE];
 675         const struct rte_memzone *mz;
 676         int n;
 677
 678         /* generate memzone name */
 679         n = snprintf(mz_name, sizeof(mz_name), "rte_cryptodev_data_%u", dev_id);
 680         if (n >= (int)sizeof(mz_name))
 681                 return -EINVAL;
 682
 683         mz = rte_memzone_lookup(mz_name);
 684         if (mz == NULL)
 685                 return -ENOMEM;
 686
 687         RTE_ASSERT(*data == mz->addr);
 688         *data = NULL;
 689
 690         if (rte_eal_process_type() == RTE_PROC_PRIMARY)
 691                 return rte_memzone_free(mz);
 692
 693         return 0;
 694 }
 695
 696 static uint8_t
 697 rte_cryptodev_find_free_device_index(void)
 698 {
 699         uint8_t dev_id;
 700
 701         for (dev_id = 0; dev_id < RTE_CRYPTO_MAX_DEVS; dev_id++) {
 702                 if (rte_crypto_devices[dev_id].attached ==
 703                                 RTE_CRYPTODEV_DETACHED)
 704                         return dev_id;
 705         }
 706         return RTE_CRYPTO_MAX_DEVS;
 707 }
 708
 709 struct rte_cryptodev *
 710 rte_cryptodev_pmd_allocate(const char *name, int socket_id)
 711 {
 712         struct rte_cryptodev *cryptodev;
 713         uint8_t dev_id;
 714
 715         if (rte_cryptodev_pmd_get_named_dev(name) != NULL) {
 716                 CDEV_LOG_ERR("Crypto device with name %s already "
 717                                 "allocated!", name);
 718                 return NULL;
 719         }
 720
 721         dev_id = rte_cryptodev_find_free_device_index();
 722         if (dev_id == RTE_CRYPTO_MAX_DEVS) {
 723                 CDEV_LOG_ERR("Reached maximum number of crypto devices");
 724                 return NULL;
 725         }
 726
 727         cryptodev = rte_cryptodev_pmd_get_dev(dev_id);
 728
 729         if (cryptodev->data == NULL) {
 730                 struct rte_cryptodev_data **cryptodev_data =
 731                                 &cryptodev_globals.data[dev_id];
 732
 733                 int retval = rte_cryptodev_data_alloc(dev_id, cryptodev_data,
 734                                 socket_id);
 735
 736                 if (retval < 0 || *cryptodev_data == NULL)
 737                         return NULL;
 738
 739                 cryptodev->data = *cryptodev_data;
 740
 741                 if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
 742                         strlcpy(cryptodev->data->name, name,
 743                                 RTE_CRYPTODEV_NAME_MAX_LEN);
 744
 745                         cryptodev->data->dev_id = dev_id;
 746                         cryptodev->data->socket_id = socket_id;
 747                         cryptodev->data->dev_started = 0;
 748                 }
 749
 750                 /* init user callbacks */
 751                 TAILQ_INIT(&(cryptodev->link_intr_cbs));
 752
 753                 cryptodev->attached = RTE_CRYPTODEV_ATTACHED;
 754
 755                 cryptodev_globals.nb_devs++;
 756         }
 757
 758         return cryptodev;
 759 }
 760
 761 int
 762 rte_cryptodev_pmd_release_device(struct rte_cryptodev *cryptodev)
 763 {
 764         int ret;
 765         uint8_t dev_id;
 766
 767         if (cryptodev == NULL)
 768                 return -EINVAL;
 769
 770         dev_id = cryptodev->data->dev_id;
 771
 772         /* Close device only if device operations have been set */
 773         if (cryptodev->dev_ops) {
 774                 ret = rte_cryptodev_close(dev_id);
 775                 if (ret < 0)
 776                         return ret;
 777         }
 778
 779         ret = rte_cryptodev_data_free(dev_id, &cryptodev_globals.data[dev_id]);
 780         if (ret < 0)
 781                 return ret;
 782
 783         cryptodev->attached = RTE_CRYPTODEV_DETACHED;
 784         cryptodev_globals.nb_devs--;
 785         return 0;
 786 }
 787
 788 uint16_t
 789 rte_cryptodev_queue_pair_count(uint8_t dev_id)
 790 {
 791         struct rte_cryptodev *dev;
 792
 793         dev = &rte_crypto_devices[dev_id];
 794         return dev->data->nb_queue_pairs;
 795 }
 796
 797 static int
 798 rte_cryptodev_queue_pairs_config(struct rte_cryptodev *dev, uint16_t nb_qpairs,
 799                 int socket_id)
 800 {
 801         struct rte_cryptodev_info dev_info;
 802         void **qp;
 803         unsigned i;
 804
 805         if ((dev == NULL) || (nb_qpairs < 1)) {
 806                 CDEV_LOG_ERR("invalid param: dev %p, nb_queues %u",
 807                                                         dev, nb_qpairs);
 808                 return -EINVAL;
 809         }
 810
 811         CDEV_LOG_DEBUG("Setup %d queues pairs on device %u",
 812                         nb_qpairs, dev->data->dev_id);
 813
 814         memset(&dev_info, 0, sizeof(struct rte_cryptodev_info));
 815
 816         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_infos_get, -ENOTSUP);
 817         (*dev->dev_ops->dev_infos_get)(dev, &dev_info);
 818
 819         if (nb_qpairs > (dev_info.max_nb_queue_pairs)) {
 820                 CDEV_LOG_ERR("Invalid num queue_pairs (%u) for dev %u",
 821                                 nb_qpairs, dev->data->dev_id);
 822             return -EINVAL;
 823         }
 824
 825         if (dev->data->queue_pairs == NULL) { /* first time configuration */
 826                 dev->data->queue_pairs = rte_zmalloc_socket(
 827                                 "cryptodev->queue_pairs",
 828                                 sizeof(dev->data->queue_pairs[0]) * nb_qpairs,
 829                                 RTE_CACHE_LINE_SIZE, socket_id);
 830
 831                 if (dev->data->queue_pairs == NULL) {
 832                         dev->data->nb_queue_pairs = 0;
 833                         CDEV_LOG_ERR("failed to get memory for qp meta data, "
 834                                                         "nb_queues %u",
 835                                                         nb_qpairs);
 836                         return -(ENOMEM);
 837                 }
 838         } else { /* re-configure */
 839                 int ret;
 840                 uint16_t old_nb_queues = dev->data->nb_queue_pairs;
 841
 842                 qp = dev->data->queue_pairs;
 843
 844                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->queue_pair_release,
 845                                 -ENOTSUP);
 846
 847                 for (i = nb_qpairs; i < old_nb_queues; i++) {
 848                         ret = (*dev->dev_ops->queue_pair_release)(dev, i);
 849                         if (ret < 0)
 850                                 return ret;
 851                 }
 852
 853                 qp = rte_realloc(qp, sizeof(qp[0]) * nb_qpairs,
 854                                 RTE_CACHE_LINE_SIZE);
 855                 if (qp == NULL) {
 856                         CDEV_LOG_ERR("failed to realloc qp meta data,"
 857                                                 " nb_queues %u", nb_qpairs);
 858                         return -(ENOMEM);
 859                 }
 860
 861                 if (nb_qpairs > old_nb_queues) {
 862                         uint16_t new_qs = nb_qpairs - old_nb_queues;
 863
 864                         memset(qp + old_nb_queues, 0,
 865                                 sizeof(qp[0]) * new_qs);
 866                 }
 867
 868                 dev->data->queue_pairs = qp;
 869
 870         }
 871         dev->data->nb_queue_pairs = nb_qpairs;
 872         return 0;
 873 }
 874
 875 int
 876 rte_cryptodev_configure(uint8_t dev_id, struct rte_cryptodev_config *config)
 877 {
 878         struct rte_cryptodev *dev;
 879         int diag;
 880
 881         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
 882                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
 883                 return -EINVAL;
 884         }
 885
 886         dev = &rte_crypto_devices[dev_id];
 887
 888         if (dev->data->dev_started) {
 889                 CDEV_LOG_ERR(
 890                     "device %d must be stopped to allow configuration", dev_id);
 891                 return -EBUSY;
 892         }
 893
 894         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_configure, -ENOTSUP);
 895
 896         /* Setup new number of queue pairs and reconfigure device. */
 897         diag = rte_cryptodev_queue_pairs_config(dev, config->nb_queue_pairs,
 898                         config->socket_id);
 899         if (diag != 0) {
 900                 CDEV_LOG_ERR("dev%d rte_crypto_dev_queue_pairs_config = %d",
 901                                 dev_id, diag);
 902                 return diag;
 903         }
 904
 905         return (*dev->dev_ops->dev_configure)(dev, config);
 906 }
 907
 908
 909 int
 910 rte_cryptodev_start(uint8_t dev_id)
 911 {
 912         struct rte_cryptodev *dev;
 913         int diag;
 914
 915         CDEV_LOG_DEBUG("Start dev_id=%" PRIu8, dev_id);
 916
 917         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
 918                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
 919                 return -EINVAL;
 920         }
 921
 922         dev = &rte_crypto_devices[dev_id];
 923
 924         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_start, -ENOTSUP);
 925
 926         if (dev->data->dev_started != 0) {
 927                 CDEV_LOG_ERR("Device with dev_id=%" PRIu8 " already started",
 928                         dev_id);
 929                 return 0;
 930         }
 931
 932         diag = (*dev->dev_ops->dev_start)(dev);
 933         if (diag == 0)
 934                 dev->data->dev_started = 1;
 935         else
 936                 return diag;
 937
 938         return 0;
 939 }
 940
 941 void
 942 rte_cryptodev_stop(uint8_t dev_id)
 943 {
 944         struct rte_cryptodev *dev;
 945
 946         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
 947                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
 948                 return;
 949         }
 950
 951         dev = &rte_crypto_devices[dev_id];
 952
 953         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->dev_stop);
 954
 955         if (dev->data->dev_started == 0) {
 956                 CDEV_LOG_ERR("Device with dev_id=%" PRIu8 " already stopped",
 957                         dev_id);
 958                 return;
 959         }
 960
 961         (*dev->dev_ops->dev_stop)(dev);
 962         dev->data->dev_started = 0;
 963 }
 964
 965 int
 966 rte_cryptodev_close(uint8_t dev_id)
 967 {
 968         struct rte_cryptodev *dev;
 969         int retval;
 970
 971         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
 972                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
 973                 return -1;
 974         }
 975
 976         dev = &rte_crypto_devices[dev_id];
 977
 978         /* Device must be stopped before it can be closed */
 979         if (dev->data->dev_started == 1) {
 980                 CDEV_LOG_ERR("Device %u must be stopped before closing",
 981                                 dev_id);
 982                 return -EBUSY;
 983         }
 984
 985         /* We can't close the device if there are outstanding sessions in use */
 986         if (dev->data->session_pool != NULL) {
 987                 if (!rte_mempool_full(dev->data->session_pool)) {
 988                         CDEV_LOG_ERR("dev_id=%u close failed, session mempool "
 989                                         "has sessions still in use, free "
 990                                         "all sessions before calling close",
 991                                         (unsigned)dev_id);
 992                         return -EBUSY;
 993                 }
 994         }
 995
 996         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_close, -ENOTSUP);
 997         retval = (*dev->dev_ops->dev_close)(dev);
 998
 999         if (retval < 0)
1000                 return retval;
1001
1002         return 0;
1003 }
1004
1005 int
1006 rte_cryptodev_queue_pair_setup(uint8_t dev_id, uint16_t queue_pair_id,
1007                 const struct rte_cryptodev_qp_conf *qp_conf, int socket_id)
1008
1009 {
1010         struct rte_cryptodev *dev;
1011
1012         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
1013                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
1014                 return -EINVAL;
1015         }
1016
1017         dev = &rte_crypto_devices[dev_id];
1018         if (queue_pair_id >= dev->data->nb_queue_pairs) {
1019                 CDEV_LOG_ERR("Invalid queue_pair_id=%d", queue_pair_id);
1020                 return -EINVAL;
1021         }
1022
1023         if (!qp_conf) {
1024                 CDEV_LOG_ERR("qp_conf cannot be NULL\n");
1025                 return -EINVAL;
1026         }
1027
1028         if ((qp_conf->mp_session && !qp_conf->mp_session_private) ||
1029                         (!qp_conf->mp_session && qp_conf->mp_session_private)) {
1030                 CDEV_LOG_ERR("Invalid mempools\n");
1031                 return -EINVAL;
1032         }
1033
1034         if (qp_conf->mp_session) {
1035                 struct rte_cryptodev_sym_session_pool_private_data *pool_priv;
1036                 uint32_t obj_size = qp_conf->mp_session->elt_size;
1037                 uint32_t obj_priv_size = qp_conf->mp_session_private->elt_size;
1038                 struct rte_cryptodev_sym_session s = {0};
1039
1040                 pool_priv = rte_mempool_get_priv(qp_conf->mp_session);
1041                 if (!pool_priv || qp_conf->mp_session->private_data_size <
1042                                 sizeof(*pool_priv)) {
1043                         CDEV_LOG_ERR("Invalid mempool\n");
1044                         return -EINVAL;
1045                 }
1046
1047                 s.nb_drivers = pool_priv->nb_drivers;
1048                 s.user_data_sz = pool_priv->user_data_sz;
1049
1050                 if ((rte_cryptodev_sym_get_existing_header_session_size(&s) >
1051                         obj_size) || (s.nb_drivers <= dev->driver_id) ||
1052                         rte_cryptodev_sym_get_private_session_size(dev_id) >
1053                                 obj_priv_size) {
1054                         CDEV_LOG_ERR("Invalid mempool\n");
1055                         return -EINVAL;
1056                 }
1057         }
1058
1059         if (dev->data->dev_started) {
1060                 CDEV_LOG_ERR(
1061                     "device %d must be stopped to allow configuration", dev_id);
1062                 return -EBUSY;
1063         }
1064
1065         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->queue_pair_setup, -ENOTSUP);
1066
1067         return (*dev->dev_ops->queue_pair_setup)(dev, queue_pair_id, qp_conf,
1068                         socket_id);
1069 }
1070
1071
1072 int
1073 rte_cryptodev_stats_get(uint8_t dev_id, struct rte_cryptodev_stats *stats)
1074 {
1075         struct rte_cryptodev *dev;
1076
1077         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
1078                 CDEV_LOG_ERR("Invalid dev_id=%d", dev_id);
1079                 return -ENODEV;
1080         }
1081
1082         if (stats == NULL) {
1083                 CDEV_LOG_ERR("Invalid stats ptr");
1084                 return -EINVAL;
1085         }
1086
1087         dev = &rte_crypto_devices[dev_id];
1088         memset(stats, 0, sizeof(*stats));
1089
1090         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->stats_get, -ENOTSUP);
1091         (*dev->dev_ops->stats_get)(dev, stats);
1092         return 0;
1093 }
1094
1095 void
1096 rte_cryptodev_stats_reset(uint8_t dev_id)
1097 {
1098         struct rte_cryptodev *dev;
1099
1100         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
1101                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
1102                 return;
1103         }
1104
1105         dev = &rte_crypto_devices[dev_id];
1106
1107         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->stats_reset);
1108         (*dev->dev_ops->stats_reset)(dev);
1109 }
1110
1111
1112 void
1113 rte_cryptodev_info_get(uint8_t dev_id, struct rte_cryptodev_info *dev_info)
1114 {
1115         struct rte_cryptodev *dev;
1116
1117         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
1118                 CDEV_LOG_ERR("Invalid dev_id=%d", dev_id);
1119                 return;
1120         }
1121
1122         dev = &rte_crypto_devices[dev_id];
1123
1124         memset(dev_info, 0, sizeof(struct rte_cryptodev_info));
1125
1126         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->dev_infos_get);
1127         (*dev->dev_ops->dev_infos_get)(dev, dev_info);
1128
1129         dev_info->driver_name = dev->device->driver->name;
1130         dev_info->device = dev->device;
1131 }
1132
1133
1134 int
1135 rte_cryptodev_callback_register(uint8_t dev_id,
1136                         enum rte_cryptodev_event_type event,
1137                         rte_cryptodev_cb_fn cb_fn, void *cb_arg)
1138 {
1139         struct rte_cryptodev *dev;
1140         struct rte_cryptodev_callback *user_cb;
1141
1142         if (!cb_fn)
1143                 return -EINVAL;
1144
1145         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
1146                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
1147                 return -EINVAL;
1148         }
1149
1150         dev = &rte_crypto_devices[dev_id];
1151         rte_spinlock_lock(&rte_cryptodev_cb_lock);
1152
1153         TAILQ_FOREACH(user_cb, &(dev->link_intr_cbs), next) {
1154                 if (user_cb->cb_fn == cb_fn &&
1155                         user_cb->cb_arg == cb_arg &&
1156                         user_cb->event == event) {
1157                         break;
1158                 }
1159         }
1160
1161         /* create a new callback. */
1162         if (user_cb == NULL) {
1163                 user_cb = rte_zmalloc("INTR_USER_CALLBACK",
1164                                 sizeof(struct rte_cryptodev_callback), 0);
1165                 if (user_cb != NULL) {
1166                         user_cb->cb_fn = cb_fn;
1167                         user_cb->cb_arg = cb_arg;
1168                         user_cb->event = event;
1169                         TAILQ_INSERT_TAIL(&(dev->link_intr_cbs), user_cb, next);
1170                 }
1171         }
1172
1173         rte_spinlock_unlock(&rte_cryptodev_cb_lock);
1174         return (user_cb == NULL) ? -ENOMEM : 0;
1175 }
1176
1177 int
1178 rte_cryptodev_callback_unregister(uint8_t dev_id,
1179                         enum rte_cryptodev_event_type event,
1180                         rte_cryptodev_cb_fn cb_fn, void *cb_arg)
1181 {
1182         int ret;
1183         struct rte_cryptodev *dev;
1184         struct rte_cryptodev_callback *cb, *next;
1185
1186         if (!cb_fn)
1187                 return -EINVAL;
1188
1189         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
1190                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
1191                 return -EINVAL;
1192         }
1193
1194         dev = &rte_crypto_devices[dev_id];
1195         rte_spinlock_lock(&rte_cryptodev_cb_lock);
1196
1197         ret = 0;
1198         for (cb = TAILQ_FIRST(&dev->link_intr_cbs); cb != NULL; cb = next) {
1199
1200                 next = TAILQ_NEXT(cb, next);
1201
1202                 if (cb->cb_fn != cb_fn || cb->event != event ||
1203                                 (cb->cb_arg != (void *)-1 &&
1204                                 cb->cb_arg != cb_arg))
1205                         continue;
1206
1207                 /*
1208                  * if this callback is not executing right now,
1209                  * then remove it.
1210                  */
1211                 if (cb->active == 0) {
1212                         TAILQ_REMOVE(&(dev->link_intr_cbs), cb, next);
1213                         rte_free(cb);
1214                 } else {
1215                         ret = -EAGAIN;
1216                 }
1217         }
1218
1219         rte_spinlock_unlock(&rte_cryptodev_cb_lock);
1220         return ret;
1221 }
1222
1223 void
1224 rte_cryptodev_pmd_callback_process(struct rte_cryptodev *dev,
1225         enum rte_cryptodev_event_type event)
1226 {
1227         struct rte_cryptodev_callback *cb_lst;
1228         struct rte_cryptodev_callback dev_cb;
1229
1230         rte_spinlock_lock(&rte_cryptodev_cb_lock);
1231         TAILQ_FOREACH(cb_lst, &(dev->link_intr_cbs), next) {
1232                 if (cb_lst->cb_fn == NULL || cb_lst->event != event)
1233                         continue;
1234                 dev_cb = *cb_lst;
1235                 cb_lst->active = 1;
1236                 rte_spinlock_unlock(&rte_cryptodev_cb_lock);
1237                 dev_cb.cb_fn(dev->data->dev_id, dev_cb.event,
1238                                                 dev_cb.cb_arg);
1239                 rte_spinlock_lock(&rte_cryptodev_cb_lock);
1240                 cb_lst->active = 0;
1241         }
1242         rte_spinlock_unlock(&rte_cryptodev_cb_lock);
1243 }
1244
1245
1246 int
1247 rte_cryptodev_sym_session_init(uint8_t dev_id,
1248                 struct rte_cryptodev_sym_session *sess,
1249                 struct rte_crypto_sym_xform *xforms,
1250                 struct rte_mempool *mp)
1251 {
1252         struct rte_cryptodev *dev;
1253         uint32_t sess_priv_sz = rte_cryptodev_sym_get_private_session_size(
1254                         dev_id);
1255         uint8_t index;
1256         int ret;
1257
1258         dev = rte_cryptodev_pmd_get_dev(dev_id);
1259
1260         if (sess == NULL || xforms == NULL || dev == NULL)
1261                 return -EINVAL;
1262
1263         if (mp->elt_size < sess_priv_sz)
1264                 return -EINVAL;
1265
1266         index = dev->driver_id;
1267         if (index >= sess->nb_drivers)
1268                 return -EINVAL;
1269
1270         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->sym_session_configure, -ENOTSUP);
1271
1272         if (sess->sess_data[index].refcnt == 0) {
1273                 ret = dev->dev_ops->sym_session_configure(dev, xforms,
1274                                                         sess, mp);
1275                 if (ret < 0) {
1276                         CDEV_LOG_ERR(
1277                                 "dev_id %d failed to configure session details",
1278                                 dev_id);
1279                         return ret;
1280                 }
1281         }
1282
1283         sess->sess_data[index].refcnt++;
1284         return 0;
1285 }
1286
1287 int
1288 rte_cryptodev_asym_session_init(uint8_t dev_id,
1289                 struct rte_cryptodev_asym_session *sess,
1290                 struct rte_crypto_asym_xform *xforms,
1291                 struct rte_mempool *mp)
1292 {
1293         struct rte_cryptodev *dev;
1294         uint8_t index;
1295         int ret;
1296
1297         dev = rte_cryptodev_pmd_get_dev(dev_id);
1298
1299         if (sess == NULL || xforms == NULL || dev == NULL)
1300                 return -EINVAL;
1301
1302         index = dev->driver_id;
1303
1304         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->asym_session_configure,
1305                                 -ENOTSUP);
1306
1307         if (sess->sess_private_data[index] == NULL) {
1308                 ret = dev->dev_ops->asym_session_configure(dev,
1309                                                         xforms,
1310                                                         sess, mp);
1311                 if (ret < 0) {
1312                         CDEV_LOG_ERR(
1313                                 "dev_id %d failed to configure session details",
1314                                 dev_id);
1315                         return ret;
1316                 }
1317         }
1318
1319         return 0;
1320 }
1321
1322 struct rte_mempool *
1323 rte_cryptodev_sym_session_pool_create(const char *name, uint32_t nb_elts,
1324         uint32_t elt_size, uint32_t cache_size, uint16_t user_data_size,
1325         int socket_id)
1326 {
1327         struct rte_mempool *mp;
1328         struct rte_cryptodev_sym_session_pool_private_data *pool_priv;
1329         uint32_t obj_sz;
1330
1331         obj_sz = rte_cryptodev_sym_get_header_session_size() + user_data_size;
1332         if (obj_sz > elt_size)
1333                 CDEV_LOG_INFO("elt_size %u is expanded to %u\n", elt_size,
1334                                 obj_sz);
1335         else
1336                 obj_sz = elt_size;
1337
1338         mp = rte_mempool_create(name, nb_elts, obj_sz, cache_size,
1339                         (uint32_t)(sizeof(*pool_priv)),
1340                         NULL, NULL, NULL, NULL,
1341                         socket_id, 0);
1342         if (mp == NULL) {
1343                 CDEV_LOG_ERR("%s(name=%s) failed, rte_errno=%d\n",
1344                         __func__, name, rte_errno);
1345                 return NULL;
1346         }
1347
1348         pool_priv = rte_mempool_get_priv(mp);
1349         if (!pool_priv) {
1350                 CDEV_LOG_ERR("%s(name=%s) failed to get private data\n",
1351                         __func__, name);
1352                 rte_mempool_free(mp);
1353                 return NULL;
1354         }
1355
1356         pool_priv->nb_drivers = nb_drivers;
1357         pool_priv->user_data_sz = user_data_size;
1358
1359         return mp;
1360 }
1361
1362 static unsigned int
1363 rte_cryptodev_sym_session_data_size(struct rte_cryptodev_sym_session *sess)
1364 {
1365         return (sizeof(sess->sess_data[0]) * sess->nb_drivers) +
1366                         sess->user_data_sz;
1367 }
1368
1369 struct rte_cryptodev_sym_session *
1370 rte_cryptodev_sym_session_create(struct rte_mempool *mp)
1371 {
1372         struct rte_cryptodev_sym_session *sess;
1373         struct rte_cryptodev_sym_session_pool_private_data *pool_priv;
1374
1375         if (!mp) {
1376                 CDEV_LOG_ERR("Invalid mempool\n");
1377                 return NULL;
1378         }
1379
1380         pool_priv = rte_mempool_get_priv(mp);
1381
1382         if (!pool_priv || mp->private_data_size < sizeof(*pool_priv)) {
1383                 CDEV_LOG_ERR("Invalid mempool\n");
1384                 return NULL;
1385         }
1386
1387         /* Allocate a session structure from the session pool */
1388         if (rte_mempool_get(mp, (void **)&sess)) {
1389                 CDEV_LOG_ERR("couldn't get object from session mempool");
1390                 return NULL;
1391         }
1392
1393         sess->nb_drivers = pool_priv->nb_drivers;
1394         sess->user_data_sz = pool_priv->user_data_sz;
1395         sess->opaque_data = 0;
1396
1397         /* Clear device session pointer.
1398          * Include the flag indicating presence of user data
1399          */
1400         memset(sess->sess_data, 0,
1401                         rte_cryptodev_sym_session_data_size(sess));
1402
1403         return sess;
1404 }
1405
1406 struct rte_cryptodev_asym_session *
1407 rte_cryptodev_asym_session_create(struct rte_mempool *mp)
1408 {
1409         struct rte_cryptodev_asym_session *sess;
1410
1411         /* Allocate a session structure from the session pool */
1412         if (rte_mempool_get(mp, (void **)&sess)) {
1413                 CDEV_LOG_ERR("couldn't get object from session mempool");
1414                 return NULL;
1415         }
1416
1417         /* Clear device session pointer.
1418          * Include the flag indicating presence of private data
1419          */
1420         memset(sess, 0, (sizeof(void *) * nb_drivers) + sizeof(uint8_t));
1421
1422         return sess;
1423 }
1424
1425 int
1426 rte_cryptodev_sym_session_clear(uint8_t dev_id,
1427                 struct rte_cryptodev_sym_session *sess)
1428 {
1429         struct rte_cryptodev *dev;
1430         uint8_t driver_id;
1431
1432         dev = rte_cryptodev_pmd_get_dev(dev_id);
1433
1434         if (dev == NULL || sess == NULL)
1435                 return -EINVAL;
1436
1437         driver_id = dev->driver_id;
1438         if (sess->sess_data[driver_id].refcnt == 0)
1439                 return 0;
1440         if (--sess->sess_data[driver_id].refcnt != 0)
1441                 return -EBUSY;
1442
1443         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->sym_session_clear, -ENOTSUP);
1444
1445         dev->dev_ops->sym_session_clear(dev, sess);
1446
1447         return 0;
1448 }
1449
1450 int
1451 rte_cryptodev_asym_session_clear(uint8_t dev_id,
1452                 struct rte_cryptodev_asym_session *sess)
1453 {
1454         struct rte_cryptodev *dev;
1455
1456         dev = rte_cryptodev_pmd_get_dev(dev_id);
1457
1458         if (dev == NULL || sess == NULL)
1459                 return -EINVAL;
1460
1461         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->asym_session_clear, -ENOTSUP);
1462
1463         dev->dev_ops->asym_session_clear(dev, sess);
1464
1465         return 0;
1466 }
1467
1468 int
1469 rte_cryptodev_sym_session_free(struct rte_cryptodev_sym_session *sess)
1470 {
1471         uint8_t i;
1472         struct rte_mempool *sess_mp;
1473
1474         if (sess == NULL)
1475                 return -EINVAL;
1476
1477         /* Check that all device private data has been freed */
1478         for (i = 0; i < sess->nb_drivers; i++) {
1479                 if (sess->sess_data[i].refcnt != 0)
1480                         return -EBUSY;
1481         }
1482
1483         /* Return session to mempool */
1484         sess_mp = rte_mempool_from_obj(sess);
1485         rte_mempool_put(sess_mp, sess);
1486
1487         return 0;
1488 }
1489
1490 int
1491 rte_cryptodev_asym_session_free(struct rte_cryptodev_asym_session *sess)
1492 {
1493         uint8_t i;
1494         void *sess_priv;
1495         struct rte_mempool *sess_mp;
1496
1497         if (sess == NULL)
1498                 return -EINVAL;
1499
1500         /* Check that all device private data has been freed */
1501         for (i = 0; i < nb_drivers; i++) {
1502                 sess_priv = get_asym_session_private_data(sess, i);
1503                 if (sess_priv != NULL)
1504                         return -EBUSY;
1505         }
1506
1507         /* Return session to mempool */
1508         sess_mp = rte_mempool_from_obj(sess);
1509         rte_mempool_put(sess_mp, sess);
1510
1511         return 0;
1512 }
1513
1514 unsigned int
1515 rte_cryptodev_sym_get_header_session_size(void)
1516 {
1517         /*
1518          * Header contains pointers to the private data of all registered
1519          * drivers and all necessary information to ensure safely clear
1520          * or free al session.
1521          */
1522         struct rte_cryptodev_sym_session s = {0};
1523
1524         s.nb_drivers = nb_drivers;
1525
1526         return (unsigned int)(sizeof(s) +
1527                         rte_cryptodev_sym_session_data_size(&s));
1528 }
1529
1530 unsigned int
1531 rte_cryptodev_sym_get_existing_header_session_size(
1532                 struct rte_cryptodev_sym_session *sess)
1533 {
1534         if (!sess)
1535                 return 0;
1536         else
1537                 return (unsigned int)(sizeof(*sess) +
1538                                 rte_cryptodev_sym_session_data_size(sess));
1539 }
1540
1541 unsigned int
1542 rte_cryptodev_asym_get_header_session_size(void)
1543 {
1544         /*
1545          * Header contains pointers to the private data
1546          * of all registered drivers, and a flag which
1547          * indicates presence of private data
1548          */
1549         return ((sizeof(void *) * nb_drivers) + sizeof(uint8_t));
1550 }
1551
1552 unsigned int
1553 rte_cryptodev_sym_get_private_session_size(uint8_t dev_id)
1554 {
1555         struct rte_cryptodev *dev;
1556         unsigned int priv_sess_size;
1557
1558         if (!rte_cryptodev_pmd_is_valid_dev(dev_id))
1559                 return 0;
1560
1561         dev = rte_cryptodev_pmd_get_dev(dev_id);
1562
1563         if (*dev->dev_ops->sym_session_get_size == NULL)
1564                 return 0;
1565
1566         priv_sess_size = (*dev->dev_ops->sym_session_get_size)(dev);
1567
1568         return priv_sess_size;
1569 }
1570
1571 unsigned int
1572 rte_cryptodev_asym_get_private_session_size(uint8_t dev_id)
1573 {
1574         struct rte_cryptodev *dev;
1575         unsigned int header_size = sizeof(void *) * nb_drivers;
1576         unsigned int priv_sess_size;
1577
1578         if (!rte_cryptodev_pmd_is_valid_dev(dev_id))
1579                 return 0;
1580
1581         dev = rte_cryptodev_pmd_get_dev(dev_id);
1582
1583         if (*dev->dev_ops->asym_session_get_size == NULL)
1584                 return 0;
1585
1586         priv_sess_size = (*dev->dev_ops->asym_session_get_size)(dev);
1587         if (priv_sess_size < header_size)
1588                 return header_size;
1589
1590         return priv_sess_size;
1591
1592 }
1593
1594 int
1595 rte_cryptodev_sym_session_set_user_data(
1596                                         struct rte_cryptodev_sym_session *sess,
1597                                         void *data,
1598                                         uint16_t size)
1599 {
1600         if (sess == NULL)
1601                 return -EINVAL;
1602
1603         if (sess->user_data_sz < size)
1604                 return -ENOMEM;
1605
1606         rte_memcpy(sess->sess_data + sess->nb_drivers, data, size);
1607         return 0;
1608 }
1609
1610 void *
1611 rte_cryptodev_sym_session_get_user_data(
1612                                         struct rte_cryptodev_sym_session *sess)
1613 {
1614         if (sess == NULL || sess->user_data_sz == 0)
1615                 return NULL;
1616
1617         return (void *)(sess->sess_data + sess->nb_drivers);
1618 }
1619
1620 /** Initialise rte_crypto_op mempool element */
1621 static void
1622 rte_crypto_op_init(struct rte_mempool *mempool,
1623                 void *opaque_arg,
1624                 void *_op_data,
1625                 __rte_unused unsigned i)
1626 {
1627         struct rte_crypto_op *op = _op_data;
1628         enum rte_crypto_op_type type = *(enum rte_crypto_op_type *)opaque_arg;
1629
1630         memset(_op_data, 0, mempool->elt_size);
1631
1632         __rte_crypto_op_reset(op, type);
1633
1634         op->phys_addr = rte_mem_virt2iova(_op_data);
1635         op->mempool = mempool;
1636 }
1637
1638
1639 struct rte_mempool *
1640 rte_crypto_op_pool_create(const char *name, enum rte_crypto_op_type type,
1641                 unsigned nb_elts, unsigned cache_size, uint16_t priv_size,
1642                 int socket_id)
1643 {
1644         struct rte_crypto_op_pool_private *priv;
1645
1646         unsigned elt_size = sizeof(struct rte_crypto_op) +
1647                         priv_size;
1648
1649         if (type == RTE_CRYPTO_OP_TYPE_SYMMETRIC) {
1650                 elt_size += sizeof(struct rte_crypto_sym_op);
1651         } else if (type == RTE_CRYPTO_OP_TYPE_ASYMMETRIC) {
1652                 elt_size += sizeof(struct rte_crypto_asym_op);
1653         } else if (type == RTE_CRYPTO_OP_TYPE_UNDEFINED) {
1654                 elt_size += RTE_MAX(sizeof(struct rte_crypto_sym_op),
1655                                     sizeof(struct rte_crypto_asym_op));
1656         } else {
1657                 CDEV_LOG_ERR("Invalid op_type\n");
1658                 return NULL;
1659         }
1660
1661         /* lookup mempool in case already allocated */
1662         struct rte_mempool *mp = rte_mempool_lookup(name);
1663
1664         if (mp != NULL) {
1665                 priv = (struct rte_crypto_op_pool_private *)
1666                                 rte_mempool_get_priv(mp);
1667
1668                 if (mp->elt_size != elt_size ||
1669                                 mp->cache_size < cache_size ||
1670                                 mp->size < nb_elts ||
1671                                 priv->priv_size <  priv_size) {
1672                         mp = NULL;
1673                         CDEV_LOG_ERR("Mempool %s already exists but with "
1674                                         "incompatible parameters", name);
1675                         return NULL;
1676                 }
1677                 return mp;
1678         }
1679
1680         mp = rte_mempool_create(
1681                         name,
1682                         nb_elts,
1683                         elt_size,
1684                         cache_size,
1685                         sizeof(struct rte_crypto_op_pool_private),
1686                         NULL,
1687                         NULL,
1688                         rte_crypto_op_init,
1689                         &type,
1690                         socket_id,
1691                         0);
1692
1693         if (mp == NULL) {
1694                 CDEV_LOG_ERR("Failed to create mempool %s", name);
1695                 return NULL;
1696         }
1697
1698         priv = (struct rte_crypto_op_pool_private *)
1699                         rte_mempool_get_priv(mp);
1700
1701         priv->priv_size = priv_size;
1702         priv->type = type;
1703
1704         return mp;
1705 }
1706
1707 int
1708 rte_cryptodev_pmd_create_dev_name(char *name, const char *dev_name_prefix)
1709 {
1710         struct rte_cryptodev *dev = NULL;
1711         uint32_t i = 0;
1712
1713         if (name == NULL)
1714                 return -EINVAL;
1715
1716         for (i = 0; i < RTE_CRYPTO_MAX_DEVS; i++) {
1717                 int ret = snprintf(name, RTE_CRYPTODEV_NAME_MAX_LEN,
1718                                 "%s_%u", dev_name_prefix, i);
1719
1720                 if (ret < 0)
1721                         return ret;
1722
1723                 dev = rte_cryptodev_pmd_get_named_dev(name);
1724                 if (!dev)
1725                         return 0;
1726         }
1727
1728         return -1;
1729 }
1730
1731 TAILQ_HEAD(cryptodev_driver_list, cryptodev_driver);
1732
1733 static struct cryptodev_driver_list cryptodev_driver_list =
1734         TAILQ_HEAD_INITIALIZER(cryptodev_driver_list);
1735
1736 int
1737 rte_cryptodev_driver_id_get(const char *name)
1738 {
1739         struct cryptodev_driver *driver;
1740         const char *driver_name;
1741
1742         if (name == NULL) {
1743                 RTE_LOG(DEBUG, CRYPTODEV, "name pointer NULL");
1744                 return -1;
1745         }
1746
1747         TAILQ_FOREACH(driver, &cryptodev_driver_list, next) {
1748                 driver_name = driver->driver->name;
1749                 if (strncmp(driver_name, name, strlen(driver_name) + 1) == 0)
1750                         return driver->id;
1751         }
1752         return -1;
1753 }
1754
1755 const char *
1756 rte_cryptodev_name_get(uint8_t dev_id)
1757 {
1758         struct rte_cryptodev *dev = rte_cryptodev_pmd_get_dev(dev_id);
1759
1760         if (dev == NULL)
1761                 return NULL;
1762
1763         return dev->data->name;
1764 }
1765
1766 const char *
1767 rte_cryptodev_driver_name_get(uint8_t driver_id)
1768 {
1769         struct cryptodev_driver *driver;
1770
1771         TAILQ_FOREACH(driver, &cryptodev_driver_list, next)
1772                 if (driver->id == driver_id)
1773                         return driver->driver->name;
1774         return NULL;
1775 }
1776
1777 uint8_t
1778 rte_cryptodev_allocate_driver(struct cryptodev_driver *crypto_drv,
1779                 const struct rte_driver *drv)
1780 {
1781         crypto_drv->driver = drv;
1782         crypto_drv->id = nb_drivers;
1783
1784         TAILQ_INSERT_TAIL(&cryptodev_driver_list, crypto_drv, next);
1785
1786         return nb_drivers++;
1787 }