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 };
 155
 156 /**
 157  * The crypto AEAD operation strings identifiers.
 158  * It could be used in application command line.
 159  */
 160 const char *
 161 rte_crypto_aead_operation_strings[] = {
 162         [RTE_CRYPTO_AEAD_OP_ENCRYPT]    = "encrypt",
 163         [RTE_CRYPTO_AEAD_OP_DECRYPT]    = "decrypt"
 164 };
 165
 166 /**
 167  * Asymmetric crypto transform operation strings identifiers.
 168  */
 169 const char *rte_crypto_asym_xform_strings[] = {
 170         [RTE_CRYPTO_ASYM_XFORM_NONE]    = "none",
 171         [RTE_CRYPTO_ASYM_XFORM_RSA]     = "rsa",
 172         [RTE_CRYPTO_ASYM_XFORM_MODEX]   = "modexp",
 173         [RTE_CRYPTO_ASYM_XFORM_MODINV]  = "modinv",
 174         [RTE_CRYPTO_ASYM_XFORM_DH]      = "dh",
 175         [RTE_CRYPTO_ASYM_XFORM_DSA]     = "dsa",
 176         [RTE_CRYPTO_ASYM_XFORM_ECDSA]   = "ecdsa",
 177         [RTE_CRYPTO_ASYM_XFORM_ECPM]    = "ecpm",
 178 };
 179
 180 /**
 181  * Asymmetric crypto operation strings identifiers.
 182  */
 183 const char *rte_crypto_asym_op_strings[] = {
 184         [RTE_CRYPTO_ASYM_OP_ENCRYPT]    = "encrypt",
 185         [RTE_CRYPTO_ASYM_OP_DECRYPT]    = "decrypt",
 186         [RTE_CRYPTO_ASYM_OP_SIGN]       = "sign",
 187         [RTE_CRYPTO_ASYM_OP_VERIFY]     = "verify",
 188         [RTE_CRYPTO_ASYM_OP_PRIVATE_KEY_GENERATE]       = "priv_key_generate",
 189         [RTE_CRYPTO_ASYM_OP_PUBLIC_KEY_GENERATE] = "pub_key_generate",
 190         [RTE_CRYPTO_ASYM_OP_SHARED_SECRET_COMPUTE] = "sharedsecret_compute",
 191 };
 192
 193 /**
 194  * The private data structure stored in the session mempool private data.
 195  */
 196 struct rte_cryptodev_sym_session_pool_private_data {
 197         uint16_t nb_drivers;
 198         /**< number of elements in sess_data array */
 199         uint16_t user_data_sz;
 200         /**< session user data will be placed after sess_data */
 201 };
 202
 203 int
 204 rte_cryptodev_get_cipher_algo_enum(enum rte_crypto_cipher_algorithm *algo_enum,
 205                 const char *algo_string)
 206 {
 207         unsigned int i;
 208
 209         for (i = 1; i < RTE_DIM(rte_crypto_cipher_algorithm_strings); i++) {
 210                 if (strcmp(algo_string, rte_crypto_cipher_algorithm_strings[i]) == 0) {
 211                         *algo_enum = (enum rte_crypto_cipher_algorithm) i;
 212                         return 0;
 213                 }
 214         }
 215
 216         /* Invalid string */
 217         return -1;
 218 }
 219
 220 int
 221 rte_cryptodev_get_auth_algo_enum(enum rte_crypto_auth_algorithm *algo_enum,
 222                 const char *algo_string)
 223 {
 224         unsigned int i;
 225
 226         for (i = 1; i < RTE_DIM(rte_crypto_auth_algorithm_strings); i++) {
 227                 if (strcmp(algo_string, rte_crypto_auth_algorithm_strings[i]) == 0) {
 228                         *algo_enum = (enum rte_crypto_auth_algorithm) i;
 229                         return 0;
 230                 }
 231         }
 232
 233         /* Invalid string */
 234         return -1;
 235 }
 236
 237 int
 238 rte_cryptodev_get_aead_algo_enum(enum rte_crypto_aead_algorithm *algo_enum,
 239                 const char *algo_string)
 240 {
 241         unsigned int i;
 242
 243         for (i = 1; i < RTE_DIM(rte_crypto_aead_algorithm_strings); i++) {
 244                 if (strcmp(algo_string, rte_crypto_aead_algorithm_strings[i]) == 0) {
 245                         *algo_enum = (enum rte_crypto_aead_algorithm) i;
 246                         return 0;
 247                 }
 248         }
 249
 250         /* Invalid string */
 251         return -1;
 252 }
 253
 254 int
 255 rte_cryptodev_asym_get_xform_enum(enum rte_crypto_asym_xform_type *xform_enum,
 256                 const char *xform_string)
 257 {
 258         unsigned int i;
 259
 260         for (i = 1; i < RTE_DIM(rte_crypto_asym_xform_strings); i++) {
 261                 if (strcmp(xform_string,
 262                         rte_crypto_asym_xform_strings[i]) == 0) {
 263                         *xform_enum = (enum rte_crypto_asym_xform_type) i;
 264                         return 0;
 265                 }
 266         }
 267
 268         /* Invalid string */
 269         return -1;
 270 }
 271
 272 /**
 273  * The crypto auth operation strings identifiers.
 274  * It could be used in application command line.
 275  */
 276 const char *
 277 rte_crypto_auth_operation_strings[] = {
 278                 [RTE_CRYPTO_AUTH_OP_VERIFY]     = "verify",
 279                 [RTE_CRYPTO_AUTH_OP_GENERATE]   = "generate"
 280 };
 281
 282 const struct rte_cryptodev_symmetric_capability *
 283 rte_cryptodev_sym_capability_get(uint8_t dev_id,
 284                 const struct rte_cryptodev_sym_capability_idx *idx)
 285 {
 286         const struct rte_cryptodev_capabilities *capability;
 287         struct rte_cryptodev_info dev_info;
 288         int i = 0;
 289
 290         rte_cryptodev_info_get(dev_id, &dev_info);
 291
 292         while ((capability = &dev_info.capabilities[i++])->op !=
 293                         RTE_CRYPTO_OP_TYPE_UNDEFINED) {
 294                 if (capability->op != RTE_CRYPTO_OP_TYPE_SYMMETRIC)
 295                         continue;
 296
 297                 if (capability->sym.xform_type != idx->type)
 298                         continue;
 299
 300                 if (idx->type == RTE_CRYPTO_SYM_XFORM_AUTH &&
 301                         capability->sym.auth.algo == idx->algo.auth)
 302                         return &capability->sym;
 303
 304                 if (idx->type == RTE_CRYPTO_SYM_XFORM_CIPHER &&
 305                         capability->sym.cipher.algo == idx->algo.cipher)
 306                         return &capability->sym;
 307
 308                 if (idx->type == RTE_CRYPTO_SYM_XFORM_AEAD &&
 309                                 capability->sym.aead.algo == idx->algo.aead)
 310                         return &capability->sym;
 311         }
 312
 313         return NULL;
 314
 315 }
 316
 317 static int
 318 param_range_check(uint16_t size, const struct rte_crypto_param_range *range)
 319 {
 320         unsigned int next_size;
 321
 322         /* Check lower/upper bounds */
 323         if (size < range->min)
 324                 return -1;
 325
 326         if (size > range->max)
 327                 return -1;
 328
 329         /* If range is actually only one value, size is correct */
 330         if (range->increment == 0)
 331                 return 0;
 332
 333         /* Check if value is one of the supported sizes */
 334         for (next_size = range->min; next_size <= range->max;
 335                         next_size += range->increment)
 336                 if (size == next_size)
 337                         return 0;
 338
 339         return -1;
 340 }
 341
 342 const struct rte_cryptodev_asymmetric_xform_capability *
 343 rte_cryptodev_asym_capability_get(uint8_t dev_id,
 344                 const struct rte_cryptodev_asym_capability_idx *idx)
 345 {
 346         const struct rte_cryptodev_capabilities *capability;
 347         struct rte_cryptodev_info dev_info;
 348         unsigned int i = 0;
 349
 350         memset(&dev_info, 0, sizeof(struct rte_cryptodev_info));
 351         rte_cryptodev_info_get(dev_id, &dev_info);
 352
 353         while ((capability = &dev_info.capabilities[i++])->op !=
 354                         RTE_CRYPTO_OP_TYPE_UNDEFINED) {
 355                 if (capability->op != RTE_CRYPTO_OP_TYPE_ASYMMETRIC)
 356                         continue;
 357
 358                 if (capability->asym.xform_capa.xform_type == idx->type)
 359                         return &capability->asym.xform_capa;
 360         }
 361         return NULL;
 362 };
 363
 364 int
 365 rte_cryptodev_sym_capability_check_cipher(
 366                 const struct rte_cryptodev_symmetric_capability *capability,
 367                 uint16_t key_size, uint16_t iv_size)
 368 {
 369         if (param_range_check(key_size, &capability->cipher.key_size) != 0)
 370                 return -1;
 371
 372         if (param_range_check(iv_size, &capability->cipher.iv_size) != 0)
 373                 return -1;
 374
 375         return 0;
 376 }
 377
 378 int
 379 rte_cryptodev_sym_capability_check_auth(
 380                 const struct rte_cryptodev_symmetric_capability *capability,
 381                 uint16_t key_size, uint16_t digest_size, uint16_t iv_size)
 382 {
 383         if (param_range_check(key_size, &capability->auth.key_size) != 0)
 384                 return -1;
 385
 386         if (param_range_check(digest_size, &capability->auth.digest_size) != 0)
 387                 return -1;
 388
 389         if (param_range_check(iv_size, &capability->auth.iv_size) != 0)
 390                 return -1;
 391
 392         return 0;
 393 }
 394
 395 int
 396 rte_cryptodev_sym_capability_check_aead(
 397                 const struct rte_cryptodev_symmetric_capability *capability,
 398                 uint16_t key_size, uint16_t digest_size, uint16_t aad_size,
 399                 uint16_t iv_size)
 400 {
 401         if (param_range_check(key_size, &capability->aead.key_size) != 0)
 402                 return -1;
 403
 404         if (param_range_check(digest_size, &capability->aead.digest_size) != 0)
 405                 return -1;
 406
 407         if (param_range_check(aad_size, &capability->aead.aad_size) != 0)
 408                 return -1;
 409
 410         if (param_range_check(iv_size, &capability->aead.iv_size) != 0)
 411                 return -1;
 412
 413         return 0;
 414 }
 415 int
 416 rte_cryptodev_asym_xform_capability_check_optype(
 417         const struct rte_cryptodev_asymmetric_xform_capability *capability,
 418         enum rte_crypto_asym_op_type op_type)
 419 {
 420         if (capability->op_types & (1 << op_type))
 421                 return 1;
 422
 423         return 0;
 424 }
 425
 426 int
 427 rte_cryptodev_asym_xform_capability_check_modlen(
 428         const struct rte_cryptodev_asymmetric_xform_capability *capability,
 429         uint16_t modlen)
 430 {
 431         /* no need to check for limits, if min or max = 0 */
 432         if (capability->modlen.min != 0) {
 433                 if (modlen < capability->modlen.min)
 434                         return -1;
 435         }
 436
 437         if (capability->modlen.max != 0) {
 438                 if (modlen > capability->modlen.max)
 439                         return -1;
 440         }
 441
 442         /* in any case, check if given modlen is module increment */
 443         if (capability->modlen.increment != 0) {
 444                 if (modlen % (capability->modlen.increment))
 445                         return -1;
 446         }
 447
 448         return 0;
 449 }
 450
 451
 452 const char *
 453 rte_cryptodev_get_feature_name(uint64_t flag)
 454 {
 455         switch (flag) {
 456         case RTE_CRYPTODEV_FF_SYMMETRIC_CRYPTO:
 457                 return "SYMMETRIC_CRYPTO";
 458         case RTE_CRYPTODEV_FF_ASYMMETRIC_CRYPTO:
 459                 return "ASYMMETRIC_CRYPTO";
 460         case RTE_CRYPTODEV_FF_SYM_OPERATION_CHAINING:
 461                 return "SYM_OPERATION_CHAINING";
 462         case RTE_CRYPTODEV_FF_CPU_SSE:
 463                 return "CPU_SSE";
 464         case RTE_CRYPTODEV_FF_CPU_AVX:
 465                 return "CPU_AVX";
 466         case RTE_CRYPTODEV_FF_CPU_AVX2:
 467                 return "CPU_AVX2";
 468         case RTE_CRYPTODEV_FF_CPU_AVX512:
 469                 return "CPU_AVX512";
 470         case RTE_CRYPTODEV_FF_CPU_AESNI:
 471                 return "CPU_AESNI";
 472         case RTE_CRYPTODEV_FF_HW_ACCELERATED:
 473                 return "HW_ACCELERATED";
 474         case RTE_CRYPTODEV_FF_IN_PLACE_SGL:
 475                 return "IN_PLACE_SGL";
 476         case RTE_CRYPTODEV_FF_OOP_SGL_IN_SGL_OUT:
 477                 return "OOP_SGL_IN_SGL_OUT";
 478         case RTE_CRYPTODEV_FF_OOP_SGL_IN_LB_OUT:
 479                 return "OOP_SGL_IN_LB_OUT";
 480         case RTE_CRYPTODEV_FF_OOP_LB_IN_SGL_OUT:
 481                 return "OOP_LB_IN_SGL_OUT";
 482         case RTE_CRYPTODEV_FF_OOP_LB_IN_LB_OUT:
 483                 return "OOP_LB_IN_LB_OUT";
 484         case RTE_CRYPTODEV_FF_CPU_NEON:
 485                 return "CPU_NEON";
 486         case RTE_CRYPTODEV_FF_CPU_ARM_CE:
 487                 return "CPU_ARM_CE";
 488         case RTE_CRYPTODEV_FF_SECURITY:
 489                 return "SECURITY_PROTOCOL";
 490         case RTE_CRYPTODEV_FF_RSA_PRIV_OP_KEY_EXP:
 491                 return "RSA_PRIV_OP_KEY_EXP";
 492         case RTE_CRYPTODEV_FF_RSA_PRIV_OP_KEY_QT:
 493                 return "RSA_PRIV_OP_KEY_QT";
 494         case RTE_CRYPTODEV_FF_DIGEST_ENCRYPTED:
 495                 return "DIGEST_ENCRYPTED";
 496         default:
 497                 return NULL;
 498         }
 499 }
 500
 501 struct rte_cryptodev *
 502 rte_cryptodev_pmd_get_dev(uint8_t dev_id)
 503 {
 504         return &cryptodev_globals.devs[dev_id];
 505 }
 506
 507 struct rte_cryptodev *
 508 rte_cryptodev_pmd_get_named_dev(const char *name)
 509 {
 510         struct rte_cryptodev *dev;
 511         unsigned int i;
 512
 513         if (name == NULL)
 514                 return NULL;
 515
 516         for (i = 0; i < RTE_CRYPTO_MAX_DEVS; i++) {
 517                 dev = &cryptodev_globals.devs[i];
 518
 519                 if ((dev->attached == RTE_CRYPTODEV_ATTACHED) &&
 520                                 (strcmp(dev->data->name, name) == 0))
 521                         return dev;
 522         }
 523
 524         return NULL;
 525 }
 526
 527 static inline uint8_t
 528 rte_cryptodev_is_valid_device_data(uint8_t dev_id)
 529 {
 530         if (rte_crypto_devices[dev_id].data == NULL)
 531                 return 0;
 532
 533         return 1;
 534 }
 535
 536 unsigned int
 537 rte_cryptodev_pmd_is_valid_dev(uint8_t dev_id)
 538 {
 539         struct rte_cryptodev *dev = NULL;
 540
 541         if (!rte_cryptodev_is_valid_device_data(dev_id))
 542                 return 0;
 543
 544         dev = rte_cryptodev_pmd_get_dev(dev_id);
 545         if (dev->attached != RTE_CRYPTODEV_ATTACHED)
 546                 return 0;
 547         else
 548                 return 1;
 549 }
 550
 551
 552 int
 553 rte_cryptodev_get_dev_id(const char *name)
 554 {
 555         unsigned i;
 556
 557         if (name == NULL)
 558                 return -1;
 559
 560         for (i = 0; i < RTE_CRYPTO_MAX_DEVS; i++) {
 561                 if (!rte_cryptodev_is_valid_device_data(i))
 562                         continue;
 563                 if ((strcmp(cryptodev_globals.devs[i].data->name, name)
 564                                 == 0) &&
 565                                 (cryptodev_globals.devs[i].attached ==
 566                                                 RTE_CRYPTODEV_ATTACHED))
 567                         return i;
 568         }
 569
 570         return -1;
 571 }
 572
 573 uint8_t
 574 rte_cryptodev_count(void)
 575 {
 576         return cryptodev_globals.nb_devs;
 577 }
 578
 579 uint8_t
 580 rte_cryptodev_device_count_by_driver(uint8_t driver_id)
 581 {
 582         uint8_t i, dev_count = 0;
 583
 584         for (i = 0; i < RTE_CRYPTO_MAX_DEVS; i++)
 585                 if (cryptodev_globals.devs[i].driver_id == driver_id &&
 586                         cryptodev_globals.devs[i].attached ==
 587                                         RTE_CRYPTODEV_ATTACHED)
 588                         dev_count++;
 589
 590         return dev_count;
 591 }
 592
 593 uint8_t
 594 rte_cryptodev_devices_get(const char *driver_name, uint8_t *devices,
 595         uint8_t nb_devices)
 596 {
 597         uint8_t i, count = 0;
 598         struct rte_cryptodev *devs = cryptodev_globals.devs;
 599
 600         for (i = 0; i < RTE_CRYPTO_MAX_DEVS && count < nb_devices; i++) {
 601                 if (!rte_cryptodev_is_valid_device_data(i))
 602                         continue;
 603
 604                 if (devs[i].attached == RTE_CRYPTODEV_ATTACHED) {
 605                         int cmp;
 606
 607                         cmp = strncmp(devs[i].device->driver->name,
 608                                         driver_name,
 609                                         strlen(driver_name) + 1);
 610
 611                         if (cmp == 0)
 612                                 devices[count++] = devs[i].data->dev_id;
 613                 }
 614         }
 615
 616         return count;
 617 }
 618
 619 void *
 620 rte_cryptodev_get_sec_ctx(uint8_t dev_id)
 621 {
 622         if (rte_crypto_devices[dev_id].feature_flags &
 623                         RTE_CRYPTODEV_FF_SECURITY)
 624                 return rte_crypto_devices[dev_id].security_ctx;
 625
 626         return NULL;
 627 }
 628
 629 int
 630 rte_cryptodev_socket_id(uint8_t dev_id)
 631 {
 632         struct rte_cryptodev *dev;
 633
 634         if (!rte_cryptodev_pmd_is_valid_dev(dev_id))
 635                 return -1;
 636
 637         dev = rte_cryptodev_pmd_get_dev(dev_id);
 638
 639         return dev->data->socket_id;
 640 }
 641
 642 static inline int
 643 rte_cryptodev_data_alloc(uint8_t dev_id, struct rte_cryptodev_data **data,
 644                 int socket_id)
 645 {
 646         char mz_name[RTE_MEMZONE_NAMESIZE];
 647         const struct rte_memzone *mz;
 648         int n;
 649
 650         /* generate memzone name */
 651         n = snprintf(mz_name, sizeof(mz_name), "rte_cryptodev_data_%u", dev_id);
 652         if (n >= (int)sizeof(mz_name))
 653                 return -EINVAL;
 654
 655         if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
 656                 mz = rte_memzone_reserve(mz_name,
 657                                 sizeof(struct rte_cryptodev_data),
 658                                 socket_id, 0);
 659         } else
 660                 mz = rte_memzone_lookup(mz_name);
 661
 662         if (mz == NULL)
 663                 return -ENOMEM;
 664
 665         *data = mz->addr;
 666         if (rte_eal_process_type() == RTE_PROC_PRIMARY)
 667                 memset(*data, 0, sizeof(struct rte_cryptodev_data));
 668
 669         return 0;
 670 }
 671
 672 static inline int
 673 rte_cryptodev_data_free(uint8_t dev_id, struct rte_cryptodev_data **data)
 674 {
 675         char mz_name[RTE_MEMZONE_NAMESIZE];
 676         const struct rte_memzone *mz;
 677         int n;
 678
 679         /* generate memzone name */
 680         n = snprintf(mz_name, sizeof(mz_name), "rte_cryptodev_data_%u", dev_id);
 681         if (n >= (int)sizeof(mz_name))
 682                 return -EINVAL;
 683
 684         mz = rte_memzone_lookup(mz_name);
 685         if (mz == NULL)
 686                 return -ENOMEM;
 687
 688         RTE_ASSERT(*data == mz->addr);
 689         *data = NULL;
 690
 691         if (rte_eal_process_type() == RTE_PROC_PRIMARY)
 692                 return rte_memzone_free(mz);
 693
 694         return 0;
 695 }
 696
 697 static uint8_t
 698 rte_cryptodev_find_free_device_index(void)
 699 {
 700         uint8_t dev_id;
 701
 702         for (dev_id = 0; dev_id < RTE_CRYPTO_MAX_DEVS; dev_id++) {
 703                 if (rte_crypto_devices[dev_id].attached ==
 704                                 RTE_CRYPTODEV_DETACHED)
 705                         return dev_id;
 706         }
 707         return RTE_CRYPTO_MAX_DEVS;
 708 }
 709
 710 struct rte_cryptodev *
 711 rte_cryptodev_pmd_allocate(const char *name, int socket_id)
 712 {
 713         struct rte_cryptodev *cryptodev;
 714         uint8_t dev_id;
 715
 716         if (rte_cryptodev_pmd_get_named_dev(name) != NULL) {
 717                 CDEV_LOG_ERR("Crypto device with name %s already "
 718                                 "allocated!", name);
 719                 return NULL;
 720         }
 721
 722         dev_id = rte_cryptodev_find_free_device_index();
 723         if (dev_id == RTE_CRYPTO_MAX_DEVS) {
 724                 CDEV_LOG_ERR("Reached maximum number of crypto devices");
 725                 return NULL;
 726         }
 727
 728         cryptodev = rte_cryptodev_pmd_get_dev(dev_id);
 729
 730         if (cryptodev->data == NULL) {
 731                 struct rte_cryptodev_data **cryptodev_data =
 732                                 &cryptodev_globals.data[dev_id];
 733
 734                 int retval = rte_cryptodev_data_alloc(dev_id, cryptodev_data,
 735                                 socket_id);
 736
 737                 if (retval < 0 || *cryptodev_data == NULL)
 738                         return NULL;
 739
 740                 cryptodev->data = *cryptodev_data;
 741
 742                 if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
 743                         strlcpy(cryptodev->data->name, name,
 744                                 RTE_CRYPTODEV_NAME_MAX_LEN);
 745
 746                         cryptodev->data->dev_id = dev_id;
 747                         cryptodev->data->socket_id = socket_id;
 748                         cryptodev->data->dev_started = 0;
 749                 }
 750
 751                 /* init user callbacks */
 752                 TAILQ_INIT(&(cryptodev->link_intr_cbs));
 753
 754                 cryptodev->attached = RTE_CRYPTODEV_ATTACHED;
 755
 756                 cryptodev_globals.nb_devs++;
 757         }
 758
 759         return cryptodev;
 760 }
 761
 762 int
 763 rte_cryptodev_pmd_release_device(struct rte_cryptodev *cryptodev)
 764 {
 765         int ret;
 766         uint8_t dev_id;
 767
 768         if (cryptodev == NULL)
 769                 return -EINVAL;
 770
 771         dev_id = cryptodev->data->dev_id;
 772
 773         /* Close device only if device operations have been set */
 774         if (cryptodev->dev_ops) {
 775                 ret = rte_cryptodev_close(dev_id);
 776                 if (ret < 0)
 777                         return ret;
 778         }
 779
 780         ret = rte_cryptodev_data_free(dev_id, &cryptodev_globals.data[dev_id]);
 781         if (ret < 0)
 782                 return ret;
 783
 784         cryptodev->attached = RTE_CRYPTODEV_DETACHED;
 785         cryptodev_globals.nb_devs--;
 786         return 0;
 787 }
 788
 789 uint16_t
 790 rte_cryptodev_queue_pair_count(uint8_t dev_id)
 791 {
 792         struct rte_cryptodev *dev;
 793
 794         dev = &rte_crypto_devices[dev_id];
 795         return dev->data->nb_queue_pairs;
 796 }
 797
 798 static int
 799 rte_cryptodev_queue_pairs_config(struct rte_cryptodev *dev, uint16_t nb_qpairs,
 800                 int socket_id)
 801 {
 802         struct rte_cryptodev_info dev_info;
 803         void **qp;
 804         unsigned i;
 805
 806         if ((dev == NULL) || (nb_qpairs < 1)) {
 807                 CDEV_LOG_ERR("invalid param: dev %p, nb_queues %u",
 808                                                         dev, nb_qpairs);
 809                 return -EINVAL;
 810         }
 811
 812         CDEV_LOG_DEBUG("Setup %d queues pairs on device %u",
 813                         nb_qpairs, dev->data->dev_id);
 814
 815         memset(&dev_info, 0, sizeof(struct rte_cryptodev_info));
 816
 817         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_infos_get, -ENOTSUP);
 818         (*dev->dev_ops->dev_infos_get)(dev, &dev_info);
 819
 820         if (nb_qpairs > (dev_info.max_nb_queue_pairs)) {
 821                 CDEV_LOG_ERR("Invalid num queue_pairs (%u) for dev %u",
 822                                 nb_qpairs, dev->data->dev_id);
 823             return -EINVAL;
 824         }
 825
 826         if (dev->data->queue_pairs == NULL) { /* first time configuration */
 827                 dev->data->queue_pairs = rte_zmalloc_socket(
 828                                 "cryptodev->queue_pairs",
 829                                 sizeof(dev->data->queue_pairs[0]) * nb_qpairs,
 830                                 RTE_CACHE_LINE_SIZE, socket_id);
 831
 832                 if (dev->data->queue_pairs == NULL) {
 833                         dev->data->nb_queue_pairs = 0;
 834                         CDEV_LOG_ERR("failed to get memory for qp meta data, "
 835                                                         "nb_queues %u",
 836                                                         nb_qpairs);
 837                         return -(ENOMEM);
 838                 }
 839         } else { /* re-configure */
 840                 int ret;
 841                 uint16_t old_nb_queues = dev->data->nb_queue_pairs;
 842
 843                 qp = dev->data->queue_pairs;
 844
 845                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->queue_pair_release,
 846                                 -ENOTSUP);
 847
 848                 for (i = nb_qpairs; i < old_nb_queues; i++) {
 849                         ret = (*dev->dev_ops->queue_pair_release)(dev, i);
 850                         if (ret < 0)
 851                                 return ret;
 852                 }
 853
 854                 qp = rte_realloc(qp, sizeof(qp[0]) * nb_qpairs,
 855                                 RTE_CACHE_LINE_SIZE);
 856                 if (qp == NULL) {
 857                         CDEV_LOG_ERR("failed to realloc qp meta data,"
 858                                                 " nb_queues %u", nb_qpairs);
 859                         return -(ENOMEM);
 860                 }
 861
 862                 if (nb_qpairs > old_nb_queues) {
 863                         uint16_t new_qs = nb_qpairs - old_nb_queues;
 864
 865                         memset(qp + old_nb_queues, 0,
 866                                 sizeof(qp[0]) * new_qs);
 867                 }
 868
 869                 dev->data->queue_pairs = qp;
 870
 871         }
 872         dev->data->nb_queue_pairs = nb_qpairs;
 873         return 0;
 874 }
 875
 876 int
 877 rte_cryptodev_configure(uint8_t dev_id, struct rte_cryptodev_config *config)
 878 {
 879         struct rte_cryptodev *dev;
 880         int diag;
 881
 882         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
 883                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
 884                 return -EINVAL;
 885         }
 886
 887         dev = &rte_crypto_devices[dev_id];
 888
 889         if (dev->data->dev_started) {
 890                 CDEV_LOG_ERR(
 891                     "device %d must be stopped to allow configuration", dev_id);
 892                 return -EBUSY;
 893         }
 894
 895         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_configure, -ENOTSUP);
 896
 897         /* Setup new number of queue pairs and reconfigure device. */
 898         diag = rte_cryptodev_queue_pairs_config(dev, config->nb_queue_pairs,
 899                         config->socket_id);
 900         if (diag != 0) {
 901                 CDEV_LOG_ERR("dev%d rte_crypto_dev_queue_pairs_config = %d",
 902                                 dev_id, diag);
 903                 return diag;
 904         }
 905
 906         return (*dev->dev_ops->dev_configure)(dev, config);
 907 }
 908
 909
 910 int
 911 rte_cryptodev_start(uint8_t dev_id)
 912 {
 913         struct rte_cryptodev *dev;
 914         int diag;
 915
 916         CDEV_LOG_DEBUG("Start dev_id=%" PRIu8, dev_id);
 917
 918         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
 919                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
 920                 return -EINVAL;
 921         }
 922
 923         dev = &rte_crypto_devices[dev_id];
 924
 925         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_start, -ENOTSUP);
 926
 927         if (dev->data->dev_started != 0) {
 928                 CDEV_LOG_ERR("Device with dev_id=%" PRIu8 " already started",
 929                         dev_id);
 930                 return 0;
 931         }
 932
 933         diag = (*dev->dev_ops->dev_start)(dev);
 934         if (diag == 0)
 935                 dev->data->dev_started = 1;
 936         else
 937                 return diag;
 938
 939         return 0;
 940 }
 941
 942 void
 943 rte_cryptodev_stop(uint8_t dev_id)
 944 {
 945         struct rte_cryptodev *dev;
 946
 947         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
 948                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
 949                 return;
 950         }
 951
 952         dev = &rte_crypto_devices[dev_id];
 953
 954         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->dev_stop);
 955
 956         if (dev->data->dev_started == 0) {
 957                 CDEV_LOG_ERR("Device with dev_id=%" PRIu8 " already stopped",
 958                         dev_id);
 959                 return;
 960         }
 961
 962         (*dev->dev_ops->dev_stop)(dev);
 963         dev->data->dev_started = 0;
 964 }
 965
 966 int
 967 rte_cryptodev_close(uint8_t dev_id)
 968 {
 969         struct rte_cryptodev *dev;
 970         int retval;
 971
 972         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
 973                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
 974                 return -1;
 975         }
 976
 977         dev = &rte_crypto_devices[dev_id];
 978
 979         /* Device must be stopped before it can be closed */
 980         if (dev->data->dev_started == 1) {
 981                 CDEV_LOG_ERR("Device %u must be stopped before closing",
 982                                 dev_id);
 983                 return -EBUSY;
 984         }
 985
 986         /* We can't close the device if there are outstanding sessions in use */
 987         if (dev->data->session_pool != NULL) {
 988                 if (!rte_mempool_full(dev->data->session_pool)) {
 989                         CDEV_LOG_ERR("dev_id=%u close failed, session mempool "
 990                                         "has sessions still in use, free "
 991                                         "all sessions before calling close",
 992                                         (unsigned)dev_id);
 993                         return -EBUSY;
 994                 }
 995         }
 996
 997         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_close, -ENOTSUP);
 998         retval = (*dev->dev_ops->dev_close)(dev);
 999
1000         if (retval < 0)
1001                 return retval;
1002
1003         return 0;
1004 }
1005
1006 int
1007 rte_cryptodev_queue_pair_setup(uint8_t dev_id, uint16_t queue_pair_id,
1008                 const struct rte_cryptodev_qp_conf *qp_conf, int socket_id)
1009
1010 {
1011         struct rte_cryptodev *dev;
1012
1013         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
1014                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
1015                 return -EINVAL;
1016         }
1017
1018         dev = &rte_crypto_devices[dev_id];
1019         if (queue_pair_id >= dev->data->nb_queue_pairs) {
1020                 CDEV_LOG_ERR("Invalid queue_pair_id=%d", queue_pair_id);
1021                 return -EINVAL;
1022         }
1023
1024         if (!qp_conf) {
1025                 CDEV_LOG_ERR("qp_conf cannot be NULL\n");
1026                 return -EINVAL;
1027         }
1028
1029         if ((qp_conf->mp_session && !qp_conf->mp_session_private) ||
1030                         (!qp_conf->mp_session && qp_conf->mp_session_private)) {
1031                 CDEV_LOG_ERR("Invalid mempools\n");
1032                 return -EINVAL;
1033         }
1034
1035         if (qp_conf->mp_session) {
1036                 struct rte_cryptodev_sym_session_pool_private_data *pool_priv;
1037                 uint32_t obj_size = qp_conf->mp_session->elt_size;
1038                 uint32_t obj_priv_size = qp_conf->mp_session_private->elt_size;
1039                 struct rte_cryptodev_sym_session s = {0};
1040
1041                 pool_priv = rte_mempool_get_priv(qp_conf->mp_session);
1042                 if (!pool_priv || qp_conf->mp_session->private_data_size <
1043                                 sizeof(*pool_priv)) {
1044                         CDEV_LOG_ERR("Invalid mempool\n");
1045                         return -EINVAL;
1046                 }
1047
1048                 s.nb_drivers = pool_priv->nb_drivers;
1049                 s.user_data_sz = pool_priv->user_data_sz;
1050
1051                 if ((rte_cryptodev_sym_get_existing_header_session_size(&s) >
1052                         obj_size) || (s.nb_drivers <= dev->driver_id) ||
1053                         rte_cryptodev_sym_get_private_session_size(dev_id) >
1054                                 obj_priv_size) {
1055                         CDEV_LOG_ERR("Invalid mempool\n");
1056                         return -EINVAL;
1057                 }
1058         }
1059
1060         if (dev->data->dev_started) {
1061                 CDEV_LOG_ERR(
1062                     "device %d must be stopped to allow configuration", dev_id);
1063                 return -EBUSY;
1064         }
1065
1066         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->queue_pair_setup, -ENOTSUP);
1067
1068         return (*dev->dev_ops->queue_pair_setup)(dev, queue_pair_id, qp_conf,
1069                         socket_id);
1070 }
1071
1072
1073 int
1074 rte_cryptodev_stats_get(uint8_t dev_id, struct rte_cryptodev_stats *stats)
1075 {
1076         struct rte_cryptodev *dev;
1077
1078         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
1079                 CDEV_LOG_ERR("Invalid dev_id=%d", dev_id);
1080                 return -ENODEV;
1081         }
1082
1083         if (stats == NULL) {
1084                 CDEV_LOG_ERR("Invalid stats ptr");
1085                 return -EINVAL;
1086         }
1087
1088         dev = &rte_crypto_devices[dev_id];
1089         memset(stats, 0, sizeof(*stats));
1090
1091         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->stats_get, -ENOTSUP);
1092         (*dev->dev_ops->stats_get)(dev, stats);
1093         return 0;
1094 }
1095
1096 void
1097 rte_cryptodev_stats_reset(uint8_t dev_id)
1098 {
1099         struct rte_cryptodev *dev;
1100
1101         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
1102                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
1103                 return;
1104         }
1105
1106         dev = &rte_crypto_devices[dev_id];
1107
1108         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->stats_reset);
1109         (*dev->dev_ops->stats_reset)(dev);
1110 }
1111
1112
1113 void
1114 rte_cryptodev_info_get(uint8_t dev_id, struct rte_cryptodev_info *dev_info)
1115 {
1116         struct rte_cryptodev *dev;
1117
1118         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
1119                 CDEV_LOG_ERR("Invalid dev_id=%d", dev_id);
1120                 return;
1121         }
1122
1123         dev = &rte_crypto_devices[dev_id];
1124
1125         memset(dev_info, 0, sizeof(struct rte_cryptodev_info));
1126
1127         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->dev_infos_get);
1128         (*dev->dev_ops->dev_infos_get)(dev, dev_info);
1129
1130         dev_info->driver_name = dev->device->driver->name;
1131         dev_info->device = dev->device;
1132 }
1133
1134
1135 int
1136 rte_cryptodev_callback_register(uint8_t dev_id,
1137                         enum rte_cryptodev_event_type event,
1138                         rte_cryptodev_cb_fn cb_fn, void *cb_arg)
1139 {
1140         struct rte_cryptodev *dev;
1141         struct rte_cryptodev_callback *user_cb;
1142
1143         if (!cb_fn)
1144                 return -EINVAL;
1145
1146         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
1147                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
1148                 return -EINVAL;
1149         }
1150
1151         dev = &rte_crypto_devices[dev_id];
1152         rte_spinlock_lock(&rte_cryptodev_cb_lock);
1153
1154         TAILQ_FOREACH(user_cb, &(dev->link_intr_cbs), next) {
1155                 if (user_cb->cb_fn == cb_fn &&
1156                         user_cb->cb_arg == cb_arg &&
1157                         user_cb->event == event) {
1158                         break;
1159                 }
1160         }
1161
1162         /* create a new callback. */
1163         if (user_cb == NULL) {
1164                 user_cb = rte_zmalloc("INTR_USER_CALLBACK",
1165                                 sizeof(struct rte_cryptodev_callback), 0);
1166                 if (user_cb != NULL) {
1167                         user_cb->cb_fn = cb_fn;
1168                         user_cb->cb_arg = cb_arg;
1169                         user_cb->event = event;
1170                         TAILQ_INSERT_TAIL(&(dev->link_intr_cbs), user_cb, next);
1171                 }
1172         }
1173
1174         rte_spinlock_unlock(&rte_cryptodev_cb_lock);
1175         return (user_cb == NULL) ? -ENOMEM : 0;
1176 }
1177
1178 int
1179 rte_cryptodev_callback_unregister(uint8_t dev_id,
1180                         enum rte_cryptodev_event_type event,
1181                         rte_cryptodev_cb_fn cb_fn, void *cb_arg)
1182 {
1183         int ret;
1184         struct rte_cryptodev *dev;
1185         struct rte_cryptodev_callback *cb, *next;
1186
1187         if (!cb_fn)
1188                 return -EINVAL;
1189
1190         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
1191                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
1192                 return -EINVAL;
1193         }
1194
1195         dev = &rte_crypto_devices[dev_id];
1196         rte_spinlock_lock(&rte_cryptodev_cb_lock);
1197
1198         ret = 0;
1199         for (cb = TAILQ_FIRST(&dev->link_intr_cbs); cb != NULL; cb = next) {
1200
1201                 next = TAILQ_NEXT(cb, next);
1202
1203                 if (cb->cb_fn != cb_fn || cb->event != event ||
1204                                 (cb->cb_arg != (void *)-1 &&
1205                                 cb->cb_arg != cb_arg))
1206                         continue;
1207
1208                 /*
1209                  * if this callback is not executing right now,
1210                  * then remove it.
1211                  */
1212                 if (cb->active == 0) {
1213                         TAILQ_REMOVE(&(dev->link_intr_cbs), cb, next);
1214                         rte_free(cb);
1215                 } else {
1216                         ret = -EAGAIN;
1217                 }
1218         }
1219
1220         rte_spinlock_unlock(&rte_cryptodev_cb_lock);
1221         return ret;
1222 }
1223
1224 void
1225 rte_cryptodev_pmd_callback_process(struct rte_cryptodev *dev,
1226         enum rte_cryptodev_event_type event)
1227 {
1228         struct rte_cryptodev_callback *cb_lst;
1229         struct rte_cryptodev_callback dev_cb;
1230
1231         rte_spinlock_lock(&rte_cryptodev_cb_lock);
1232         TAILQ_FOREACH(cb_lst, &(dev->link_intr_cbs), next) {
1233                 if (cb_lst->cb_fn == NULL || cb_lst->event != event)
1234                         continue;
1235                 dev_cb = *cb_lst;
1236                 cb_lst->active = 1;
1237                 rte_spinlock_unlock(&rte_cryptodev_cb_lock);
1238                 dev_cb.cb_fn(dev->data->dev_id, dev_cb.event,
1239                                                 dev_cb.cb_arg);
1240                 rte_spinlock_lock(&rte_cryptodev_cb_lock);
1241                 cb_lst->active = 0;
1242         }
1243         rte_spinlock_unlock(&rte_cryptodev_cb_lock);
1244 }
1245
1246
1247 int
1248 rte_cryptodev_sym_session_init(uint8_t dev_id,
1249                 struct rte_cryptodev_sym_session *sess,
1250                 struct rte_crypto_sym_xform *xforms,
1251                 struct rte_mempool *mp)
1252 {
1253         struct rte_cryptodev *dev;
1254         uint32_t sess_priv_sz = rte_cryptodev_sym_get_private_session_size(
1255                         dev_id);
1256         uint8_t index;
1257         int ret;
1258
1259         dev = rte_cryptodev_pmd_get_dev(dev_id);
1260
1261         if (sess == NULL || xforms == NULL || dev == NULL)
1262                 return -EINVAL;
1263
1264         if (mp->elt_size < sess_priv_sz)
1265                 return -EINVAL;
1266
1267         index = dev->driver_id;
1268         if (index >= sess->nb_drivers)
1269                 return -EINVAL;
1270
1271         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->sym_session_configure, -ENOTSUP);
1272
1273         if (sess->sess_data[index].refcnt == 0) {
1274                 ret = dev->dev_ops->sym_session_configure(dev, xforms,
1275                                                         sess, mp);
1276                 if (ret < 0) {
1277                         CDEV_LOG_ERR(
1278                                 "dev_id %d failed to configure session details",
1279                                 dev_id);
1280                         return ret;
1281                 }
1282         }
1283
1284         sess->sess_data[index].refcnt++;
1285         return 0;
1286 }
1287
1288 int
1289 rte_cryptodev_asym_session_init(uint8_t dev_id,
1290                 struct rte_cryptodev_asym_session *sess,
1291                 struct rte_crypto_asym_xform *xforms,
1292                 struct rte_mempool *mp)
1293 {
1294         struct rte_cryptodev *dev;
1295         uint8_t index;
1296         int ret;
1297
1298         dev = rte_cryptodev_pmd_get_dev(dev_id);
1299
1300         if (sess == NULL || xforms == NULL || dev == NULL)
1301                 return -EINVAL;
1302
1303         index = dev->driver_id;
1304
1305         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->asym_session_configure,
1306                                 -ENOTSUP);
1307
1308         if (sess->sess_private_data[index] == NULL) {
1309                 ret = dev->dev_ops->asym_session_configure(dev,
1310                                                         xforms,
1311                                                         sess, mp);
1312                 if (ret < 0) {
1313                         CDEV_LOG_ERR(
1314                                 "dev_id %d failed to configure session details",
1315                                 dev_id);
1316                         return ret;
1317                 }
1318         }
1319
1320         return 0;
1321 }
1322
1323 struct rte_mempool *
1324 rte_cryptodev_sym_session_pool_create(const char *name, uint32_t nb_elts,
1325         uint32_t elt_size, uint32_t cache_size, uint16_t user_data_size,
1326         int socket_id)
1327 {
1328         struct rte_mempool *mp;
1329         struct rte_cryptodev_sym_session_pool_private_data *pool_priv;
1330         uint32_t obj_sz;
1331
1332         obj_sz = rte_cryptodev_sym_get_header_session_size() + user_data_size;
1333         if (obj_sz > elt_size)
1334                 CDEV_LOG_INFO("elt_size %u is expanded to %u\n", elt_size,
1335                                 obj_sz);
1336         else
1337                 obj_sz = elt_size;
1338
1339         mp = rte_mempool_create(name, nb_elts, obj_sz, cache_size,
1340                         (uint32_t)(sizeof(*pool_priv)),
1341                         NULL, NULL, NULL, NULL,
1342                         socket_id, 0);
1343         if (mp == NULL) {
1344                 CDEV_LOG_ERR("%s(name=%s) failed, rte_errno=%d\n",
1345                         __func__, name, rte_errno);
1346                 return NULL;
1347         }
1348
1349         pool_priv = rte_mempool_get_priv(mp);
1350         if (!pool_priv) {
1351                 CDEV_LOG_ERR("%s(name=%s) failed to get private data\n",
1352                         __func__, name);
1353                 rte_mempool_free(mp);
1354                 return NULL;
1355         }
1356
1357         pool_priv->nb_drivers = nb_drivers;
1358         pool_priv->user_data_sz = user_data_size;
1359
1360         return mp;
1361 }
1362
1363 static unsigned int
1364 rte_cryptodev_sym_session_data_size(struct rte_cryptodev_sym_session *sess)
1365 {
1366         return (sizeof(sess->sess_data[0]) * sess->nb_drivers) +
1367                         sess->user_data_sz;
1368 }
1369
1370 struct rte_cryptodev_sym_session *
1371 rte_cryptodev_sym_session_create(struct rte_mempool *mp)
1372 {
1373         struct rte_cryptodev_sym_session *sess;
1374         struct rte_cryptodev_sym_session_pool_private_data *pool_priv;
1375
1376         if (!mp) {
1377                 CDEV_LOG_ERR("Invalid mempool\n");
1378                 return NULL;
1379         }
1380
1381         pool_priv = rte_mempool_get_priv(mp);
1382
1383         if (!pool_priv || mp->private_data_size < sizeof(*pool_priv)) {
1384                 CDEV_LOG_ERR("Invalid mempool\n");
1385                 return NULL;
1386         }
1387
1388         /* Allocate a session structure from the session pool */
1389         if (rte_mempool_get(mp, (void **)&sess)) {
1390                 CDEV_LOG_ERR("couldn't get object from session mempool");
1391                 return NULL;
1392         }
1393
1394         sess->nb_drivers = pool_priv->nb_drivers;
1395         sess->user_data_sz = pool_priv->user_data_sz;
1396         sess->opaque_data = 0;
1397
1398         /* Clear device session pointer.
1399          * Include the flag indicating presence of user data
1400          */
1401         memset(sess->sess_data, 0,
1402                         rte_cryptodev_sym_session_data_size(sess));
1403
1404         return sess;
1405 }
1406
1407 struct rte_cryptodev_asym_session *
1408 rte_cryptodev_asym_session_create(struct rte_mempool *mp)
1409 {
1410         struct rte_cryptodev_asym_session *sess;
1411
1412         /* Allocate a session structure from the session pool */
1413         if (rte_mempool_get(mp, (void **)&sess)) {
1414                 CDEV_LOG_ERR("couldn't get object from session mempool");
1415                 return NULL;
1416         }
1417
1418         /* Clear device session pointer.
1419          * Include the flag indicating presence of private data
1420          */
1421         memset(sess, 0, (sizeof(void *) * nb_drivers) + sizeof(uint8_t));
1422
1423         return sess;
1424 }
1425
1426 int
1427 rte_cryptodev_sym_session_clear(uint8_t dev_id,
1428                 struct rte_cryptodev_sym_session *sess)
1429 {
1430         struct rte_cryptodev *dev;
1431         uint8_t driver_id;
1432
1433         dev = rte_cryptodev_pmd_get_dev(dev_id);
1434
1435         if (dev == NULL || sess == NULL)
1436                 return -EINVAL;
1437
1438         driver_id = dev->driver_id;
1439         if (sess->sess_data[driver_id].refcnt == 0)
1440                 return 0;
1441         if (--sess->sess_data[driver_id].refcnt != 0)
1442                 return -EBUSY;
1443
1444         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->sym_session_clear, -ENOTSUP);
1445
1446         dev->dev_ops->sym_session_clear(dev, sess);
1447
1448         return 0;
1449 }
1450
1451 int
1452 rte_cryptodev_asym_session_clear(uint8_t dev_id,
1453                 struct rte_cryptodev_asym_session *sess)
1454 {
1455         struct rte_cryptodev *dev;
1456
1457         dev = rte_cryptodev_pmd_get_dev(dev_id);
1458
1459         if (dev == NULL || sess == NULL)
1460                 return -EINVAL;
1461
1462         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->asym_session_clear, -ENOTSUP);
1463
1464         dev->dev_ops->asym_session_clear(dev, sess);
1465
1466         return 0;
1467 }
1468
1469 int
1470 rte_cryptodev_sym_session_free(struct rte_cryptodev_sym_session *sess)
1471 {
1472         uint8_t i;
1473         struct rte_mempool *sess_mp;
1474
1475         if (sess == NULL)
1476                 return -EINVAL;
1477
1478         /* Check that all device private data has been freed */
1479         for (i = 0; i < sess->nb_drivers; i++) {
1480                 if (sess->sess_data[i].refcnt != 0)
1481                         return -EBUSY;
1482         }
1483
1484         /* Return session to mempool */
1485         sess_mp = rte_mempool_from_obj(sess);
1486         rte_mempool_put(sess_mp, sess);
1487
1488         return 0;
1489 }
1490
1491 int
1492 rte_cryptodev_asym_session_free(struct rte_cryptodev_asym_session *sess)
1493 {
1494         uint8_t i;
1495         void *sess_priv;
1496         struct rte_mempool *sess_mp;
1497
1498         if (sess == NULL)
1499                 return -EINVAL;
1500
1501         /* Check that all device private data has been freed */
1502         for (i = 0; i < nb_drivers; i++) {
1503                 sess_priv = get_asym_session_private_data(sess, i);
1504                 if (sess_priv != NULL)
1505                         return -EBUSY;
1506         }
1507
1508         /* Return session to mempool */
1509         sess_mp = rte_mempool_from_obj(sess);
1510         rte_mempool_put(sess_mp, sess);
1511
1512         return 0;
1513 }
1514
1515 unsigned int
1516 rte_cryptodev_sym_get_header_session_size(void)
1517 {
1518         /*
1519          * Header contains pointers to the private data of all registered
1520          * drivers and all necessary information to ensure safely clear
1521          * or free al session.
1522          */
1523         struct rte_cryptodev_sym_session s = {0};
1524
1525         s.nb_drivers = nb_drivers;
1526
1527         return (unsigned int)(sizeof(s) +
1528                         rte_cryptodev_sym_session_data_size(&s));
1529 }
1530
1531 unsigned int
1532 rte_cryptodev_sym_get_existing_header_session_size(
1533                 struct rte_cryptodev_sym_session *sess)
1534 {
1535         if (!sess)
1536                 return 0;
1537         else
1538                 return (unsigned int)(sizeof(*sess) +
1539                                 rte_cryptodev_sym_session_data_size(sess));
1540 }
1541
1542 unsigned int
1543 rte_cryptodev_asym_get_header_session_size(void)
1544 {
1545         /*
1546          * Header contains pointers to the private data
1547          * of all registered drivers, and a flag which
1548          * indicates presence of private data
1549          */
1550         return ((sizeof(void *) * nb_drivers) + sizeof(uint8_t));
1551 }
1552
1553 unsigned int
1554 rte_cryptodev_sym_get_private_session_size(uint8_t dev_id)
1555 {
1556         struct rte_cryptodev *dev;
1557         unsigned int priv_sess_size;
1558
1559         if (!rte_cryptodev_pmd_is_valid_dev(dev_id))
1560                 return 0;
1561
1562         dev = rte_cryptodev_pmd_get_dev(dev_id);
1563
1564         if (*dev->dev_ops->sym_session_get_size == NULL)
1565                 return 0;
1566
1567         priv_sess_size = (*dev->dev_ops->sym_session_get_size)(dev);
1568
1569         return priv_sess_size;
1570 }
1571
1572 unsigned int
1573 rte_cryptodev_asym_get_private_session_size(uint8_t dev_id)
1574 {
1575         struct rte_cryptodev *dev;
1576         unsigned int header_size = sizeof(void *) * nb_drivers;
1577         unsigned int priv_sess_size;
1578
1579         if (!rte_cryptodev_pmd_is_valid_dev(dev_id))
1580                 return 0;
1581
1582         dev = rte_cryptodev_pmd_get_dev(dev_id);
1583
1584         if (*dev->dev_ops->asym_session_get_size == NULL)
1585                 return 0;
1586
1587         priv_sess_size = (*dev->dev_ops->asym_session_get_size)(dev);
1588         if (priv_sess_size < header_size)
1589                 return header_size;
1590
1591         return priv_sess_size;
1592
1593 }
1594
1595 int
1596 rte_cryptodev_sym_session_set_user_data(
1597                                         struct rte_cryptodev_sym_session *sess,
1598                                         void *data,
1599                                         uint16_t size)
1600 {
1601         if (sess == NULL)
1602                 return -EINVAL;
1603
1604         if (sess->user_data_sz < size)
1605                 return -ENOMEM;
1606
1607         rte_memcpy(sess->sess_data + sess->nb_drivers, data, size);
1608         return 0;
1609 }
1610
1611 void *
1612 rte_cryptodev_sym_session_get_user_data(
1613                                         struct rte_cryptodev_sym_session *sess)
1614 {
1615         if (sess == NULL || sess->user_data_sz == 0)
1616                 return NULL;
1617
1618         return (void *)(sess->sess_data + sess->nb_drivers);
1619 }
1620
1621 /** Initialise rte_crypto_op mempool element */
1622 static void
1623 rte_crypto_op_init(struct rte_mempool *mempool,
1624                 void *opaque_arg,
1625                 void *_op_data,
1626                 __rte_unused unsigned i)
1627 {
1628         struct rte_crypto_op *op = _op_data;
1629         enum rte_crypto_op_type type = *(enum rte_crypto_op_type *)opaque_arg;
1630
1631         memset(_op_data, 0, mempool->elt_size);
1632
1633         __rte_crypto_op_reset(op, type);
1634
1635         op->phys_addr = rte_mem_virt2iova(_op_data);
1636         op->mempool = mempool;
1637 }
1638
1639
1640 struct rte_mempool *
1641 rte_crypto_op_pool_create(const char *name, enum rte_crypto_op_type type,
1642                 unsigned nb_elts, unsigned cache_size, uint16_t priv_size,
1643                 int socket_id)
1644 {
1645         struct rte_crypto_op_pool_private *priv;
1646
1647         unsigned elt_size = sizeof(struct rte_crypto_op) +
1648                         priv_size;
1649
1650         if (type == RTE_CRYPTO_OP_TYPE_SYMMETRIC) {
1651                 elt_size += sizeof(struct rte_crypto_sym_op);
1652         } else if (type == RTE_CRYPTO_OP_TYPE_ASYMMETRIC) {
1653                 elt_size += sizeof(struct rte_crypto_asym_op);
1654         } else if (type == RTE_CRYPTO_OP_TYPE_UNDEFINED) {
1655                 elt_size += RTE_MAX(sizeof(struct rte_crypto_sym_op),
1656                                     sizeof(struct rte_crypto_asym_op));
1657         } else {
1658                 CDEV_LOG_ERR("Invalid op_type\n");
1659                 return NULL;
1660         }
1661
1662         /* lookup mempool in case already allocated */
1663         struct rte_mempool *mp = rte_mempool_lookup(name);
1664
1665         if (mp != NULL) {
1666                 priv = (struct rte_crypto_op_pool_private *)
1667                                 rte_mempool_get_priv(mp);
1668
1669                 if (mp->elt_size != elt_size ||
1670                                 mp->cache_size < cache_size ||
1671                                 mp->size < nb_elts ||
1672                                 priv->priv_size <  priv_size) {
1673                         mp = NULL;
1674                         CDEV_LOG_ERR("Mempool %s already exists but with "
1675                                         "incompatible parameters", name);
1676                         return NULL;
1677                 }
1678                 return mp;
1679         }
1680
1681         mp = rte_mempool_create(
1682                         name,
1683                         nb_elts,
1684                         elt_size,
1685                         cache_size,
1686                         sizeof(struct rte_crypto_op_pool_private),
1687                         NULL,
1688                         NULL,
1689                         rte_crypto_op_init,
1690                         &type,
1691                         socket_id,
1692                         0);
1693
1694         if (mp == NULL) {
1695                 CDEV_LOG_ERR("Failed to create mempool %s", name);
1696                 return NULL;
1697         }
1698
1699         priv = (struct rte_crypto_op_pool_private *)
1700                         rte_mempool_get_priv(mp);
1701
1702         priv->priv_size = priv_size;
1703         priv->type = type;
1704
1705         return mp;
1706 }
1707
1708 int
1709 rte_cryptodev_pmd_create_dev_name(char *name, const char *dev_name_prefix)
1710 {
1711         struct rte_cryptodev *dev = NULL;
1712         uint32_t i = 0;
1713
1714         if (name == NULL)
1715                 return -EINVAL;
1716
1717         for (i = 0; i < RTE_CRYPTO_MAX_DEVS; i++) {
1718                 int ret = snprintf(name, RTE_CRYPTODEV_NAME_MAX_LEN,
1719                                 "%s_%u", dev_name_prefix, i);
1720
1721                 if (ret < 0)
1722                         return ret;
1723
1724                 dev = rte_cryptodev_pmd_get_named_dev(name);
1725                 if (!dev)
1726                         return 0;
1727         }
1728
1729         return -1;
1730 }
1731
1732 TAILQ_HEAD(cryptodev_driver_list, cryptodev_driver);
1733
1734 static struct cryptodev_driver_list cryptodev_driver_list =
1735         TAILQ_HEAD_INITIALIZER(cryptodev_driver_list);
1736
1737 int
1738 rte_cryptodev_driver_id_get(const char *name)
1739 {
1740         struct cryptodev_driver *driver;
1741         const char *driver_name;
1742
1743         if (name == NULL) {
1744                 RTE_LOG(DEBUG, CRYPTODEV, "name pointer NULL");
1745                 return -1;
1746         }
1747
1748         TAILQ_FOREACH(driver, &cryptodev_driver_list, next) {
1749                 driver_name = driver->driver->name;
1750                 if (strncmp(driver_name, name, strlen(driver_name) + 1) == 0)
1751                         return driver->id;
1752         }
1753         return -1;
1754 }
1755
1756 const char *
1757 rte_cryptodev_name_get(uint8_t dev_id)
1758 {
1759         struct rte_cryptodev *dev = rte_cryptodev_pmd_get_dev(dev_id);
1760
1761         if (dev == NULL)
1762                 return NULL;
1763
1764         return dev->data->name;
1765 }
1766
1767 const char *
1768 rte_cryptodev_driver_name_get(uint8_t driver_id)
1769 {
1770         struct cryptodev_driver *driver;
1771
1772         TAILQ_FOREACH(driver, &cryptodev_driver_list, next)
1773                 if (driver->id == driver_id)
1774                         return driver->driver->name;
1775         return NULL;
1776 }
1777
1778 uint8_t
1779 rte_cryptodev_allocate_driver(struct cryptodev_driver *crypto_drv,
1780                 const struct rte_driver *drv)
1781 {
1782         crypto_drv->driver = drv;
1783         crypto_drv->id = nb_drivers;
1784
1785         TAILQ_INSERT_TAIL(&cryptodev_driver_list, crypto_drv, next);
1786
1787         return nb_drivers++;
1788 }