lib/librte_cryptodev/rte_cryptodev.c

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2015-2020 Intel Corporation
   3  */
   4
   5 #include <sys/types.h>
   6 #include <sys/queue.h>
   7 #include <ctype.h>
   8 #include <stdio.h>
   9 #include <stdlib.h>
  10 #include <string.h>
  11 #include <stdarg.h>
  12 #include <errno.h>
  13 #include <stdint.h>
  14 #include <inttypes.h>
  15 #include <netinet/in.h>
  16
  17 #include <rte_byteorder.h>
  18 #include <rte_log.h>
  19 #include <rte_debug.h>
  20 #include <rte_dev.h>
  21 #include <rte_interrupts.h>
  22 #include <rte_memory.h>
  23 #include <rte_memcpy.h>
  24 #include <rte_memzone.h>
  25 #include <rte_launch.h>
  26 #include <rte_tailq.h>
  27 #include <rte_eal.h>
  28 #include <rte_per_lcore.h>
  29 #include <rte_lcore.h>
  30 #include <rte_atomic.h>
  31 #include <rte_branch_prediction.h>
  32 #include <rte_common.h>
  33 #include <rte_mempool.h>
  34 #include <rte_malloc.h>
  35 #include <rte_mbuf.h>
  36 #include <rte_errno.h>
  37 #include <rte_spinlock.h>
  38 #include <rte_string_fns.h>
  39
  40 #include "rte_crypto.h"
  41 #include "rte_cryptodev.h"
  42 #include "rte_cryptodev_pmd.h"
  43
  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         case RTE_CRYPTODEV_FF_SYM_CPU_CRYPTO:
 497                 return "SYM_CPU_CRYPTO";
 498         case RTE_CRYPTODEV_FF_ASYM_SESSIONLESS:
 499                 return "ASYM_SESSIONLESS";
 500         case RTE_CRYPTODEV_FF_SYM_SESSIONLESS:
 501                 return "SYM_SESSIONLESS";
 502         default:
 503                 return NULL;
 504         }
 505 }
 506
 507 struct rte_cryptodev *
 508 rte_cryptodev_pmd_get_dev(uint8_t dev_id)
 509 {
 510         return &cryptodev_globals.devs[dev_id];
 511 }
 512
 513 struct rte_cryptodev *
 514 rte_cryptodev_pmd_get_named_dev(const char *name)
 515 {
 516         struct rte_cryptodev *dev;
 517         unsigned int i;
 518
 519         if (name == NULL)
 520                 return NULL;
 521
 522         for (i = 0; i < RTE_CRYPTO_MAX_DEVS; i++) {
 523                 dev = &cryptodev_globals.devs[i];
 524
 525                 if ((dev->attached == RTE_CRYPTODEV_ATTACHED) &&
 526                                 (strcmp(dev->data->name, name) == 0))
 527                         return dev;
 528         }
 529
 530         return NULL;
 531 }
 532
 533 static inline uint8_t
 534 rte_cryptodev_is_valid_device_data(uint8_t dev_id)
 535 {
 536         if (dev_id >= RTE_CRYPTO_MAX_DEVS ||
 537                         rte_crypto_devices[dev_id].data == NULL)
 538                 return 0;
 539
 540         return 1;
 541 }
 542
 543 unsigned int
 544 rte_cryptodev_pmd_is_valid_dev(uint8_t dev_id)
 545 {
 546         struct rte_cryptodev *dev = NULL;
 547
 548         if (!rte_cryptodev_is_valid_device_data(dev_id))
 549                 return 0;
 550
 551         dev = rte_cryptodev_pmd_get_dev(dev_id);
 552         if (dev->attached != RTE_CRYPTODEV_ATTACHED)
 553                 return 0;
 554         else
 555                 return 1;
 556 }
 557
 558
 559 int
 560 rte_cryptodev_get_dev_id(const char *name)
 561 {
 562         unsigned i;
 563
 564         if (name == NULL)
 565                 return -1;
 566
 567         for (i = 0; i < RTE_CRYPTO_MAX_DEVS; i++) {
 568                 if (!rte_cryptodev_is_valid_device_data(i))
 569                         continue;
 570                 if ((strcmp(cryptodev_globals.devs[i].data->name, name)
 571                                 == 0) &&
 572                                 (cryptodev_globals.devs[i].attached ==
 573                                                 RTE_CRYPTODEV_ATTACHED))
 574                         return i;
 575         }
 576
 577         return -1;
 578 }
 579
 580 uint8_t
 581 rte_cryptodev_count(void)
 582 {
 583         return cryptodev_globals.nb_devs;
 584 }
 585
 586 uint8_t
 587 rte_cryptodev_device_count_by_driver(uint8_t driver_id)
 588 {
 589         uint8_t i, dev_count = 0;
 590
 591         for (i = 0; i < RTE_CRYPTO_MAX_DEVS; i++)
 592                 if (cryptodev_globals.devs[i].driver_id == driver_id &&
 593                         cryptodev_globals.devs[i].attached ==
 594                                         RTE_CRYPTODEV_ATTACHED)
 595                         dev_count++;
 596
 597         return dev_count;
 598 }
 599
 600 uint8_t
 601 rte_cryptodev_devices_get(const char *driver_name, uint8_t *devices,
 602         uint8_t nb_devices)
 603 {
 604         uint8_t i, count = 0;
 605         struct rte_cryptodev *devs = cryptodev_globals.devs;
 606
 607         for (i = 0; i < RTE_CRYPTO_MAX_DEVS && count < nb_devices; i++) {
 608                 if (!rte_cryptodev_is_valid_device_data(i))
 609                         continue;
 610
 611                 if (devs[i].attached == RTE_CRYPTODEV_ATTACHED) {
 612                         int cmp;
 613
 614                         cmp = strncmp(devs[i].device->driver->name,
 615                                         driver_name,
 616                                         strlen(driver_name) + 1);
 617
 618                         if (cmp == 0)
 619                                 devices[count++] = devs[i].data->dev_id;
 620                 }
 621         }
 622
 623         return count;
 624 }
 625
 626 void *
 627 rte_cryptodev_get_sec_ctx(uint8_t dev_id)
 628 {
 629         if (dev_id < RTE_CRYPTO_MAX_DEVS &&
 630                         (rte_crypto_devices[dev_id].feature_flags &
 631                         RTE_CRYPTODEV_FF_SECURITY))
 632                 return rte_crypto_devices[dev_id].security_ctx;
 633
 634         return NULL;
 635 }
 636
 637 int
 638 rte_cryptodev_socket_id(uint8_t dev_id)
 639 {
 640         struct rte_cryptodev *dev;
 641
 642         if (!rte_cryptodev_pmd_is_valid_dev(dev_id))
 643                 return -1;
 644
 645         dev = rte_cryptodev_pmd_get_dev(dev_id);
 646
 647         return dev->data->socket_id;
 648 }
 649
 650 static inline int
 651 rte_cryptodev_data_alloc(uint8_t dev_id, struct rte_cryptodev_data **data,
 652                 int socket_id)
 653 {
 654         char mz_name[RTE_MEMZONE_NAMESIZE];
 655         const struct rte_memzone *mz;
 656         int n;
 657
 658         /* generate memzone name */
 659         n = snprintf(mz_name, sizeof(mz_name), "rte_cryptodev_data_%u", dev_id);
 660         if (n >= (int)sizeof(mz_name))
 661                 return -EINVAL;
 662
 663         if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
 664                 mz = rte_memzone_reserve(mz_name,
 665                                 sizeof(struct rte_cryptodev_data),
 666                                 socket_id, 0);
 667         } else
 668                 mz = rte_memzone_lookup(mz_name);
 669
 670         if (mz == NULL)
 671                 return -ENOMEM;
 672
 673         *data = mz->addr;
 674         if (rte_eal_process_type() == RTE_PROC_PRIMARY)
 675                 memset(*data, 0, sizeof(struct rte_cryptodev_data));
 676
 677         return 0;
 678 }
 679
 680 static inline int
 681 rte_cryptodev_data_free(uint8_t dev_id, struct rte_cryptodev_data **data)
 682 {
 683         char mz_name[RTE_MEMZONE_NAMESIZE];
 684         const struct rte_memzone *mz;
 685         int n;
 686
 687         /* generate memzone name */
 688         n = snprintf(mz_name, sizeof(mz_name), "rte_cryptodev_data_%u", dev_id);
 689         if (n >= (int)sizeof(mz_name))
 690                 return -EINVAL;
 691
 692         mz = rte_memzone_lookup(mz_name);
 693         if (mz == NULL)
 694                 return -ENOMEM;
 695
 696         RTE_ASSERT(*data == mz->addr);
 697         *data = NULL;
 698
 699         if (rte_eal_process_type() == RTE_PROC_PRIMARY)
 700                 return rte_memzone_free(mz);
 701
 702         return 0;
 703 }
 704
 705 static uint8_t
 706 rte_cryptodev_find_free_device_index(void)
 707 {
 708         uint8_t dev_id;
 709
 710         for (dev_id = 0; dev_id < RTE_CRYPTO_MAX_DEVS; dev_id++) {
 711                 if (rte_crypto_devices[dev_id].attached ==
 712                                 RTE_CRYPTODEV_DETACHED)
 713                         return dev_id;
 714         }
 715         return RTE_CRYPTO_MAX_DEVS;
 716 }
 717
 718 struct rte_cryptodev *
 719 rte_cryptodev_pmd_allocate(const char *name, int socket_id)
 720 {
 721         struct rte_cryptodev *cryptodev;
 722         uint8_t dev_id;
 723
 724         if (rte_cryptodev_pmd_get_named_dev(name) != NULL) {
 725                 CDEV_LOG_ERR("Crypto device with name %s already "
 726                                 "allocated!", name);
 727                 return NULL;
 728         }
 729
 730         dev_id = rte_cryptodev_find_free_device_index();
 731         if (dev_id == RTE_CRYPTO_MAX_DEVS) {
 732                 CDEV_LOG_ERR("Reached maximum number of crypto devices");
 733                 return NULL;
 734         }
 735
 736         cryptodev = rte_cryptodev_pmd_get_dev(dev_id);
 737
 738         if (cryptodev->data == NULL) {
 739                 struct rte_cryptodev_data **cryptodev_data =
 740                                 &cryptodev_globals.data[dev_id];
 741
 742                 int retval = rte_cryptodev_data_alloc(dev_id, cryptodev_data,
 743                                 socket_id);
 744
 745                 if (retval < 0 || *cryptodev_data == NULL)
 746                         return NULL;
 747
 748                 cryptodev->data = *cryptodev_data;
 749
 750                 if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
 751                         strlcpy(cryptodev->data->name, name,
 752                                 RTE_CRYPTODEV_NAME_MAX_LEN);
 753
 754                         cryptodev->data->dev_id = dev_id;
 755                         cryptodev->data->socket_id = socket_id;
 756                         cryptodev->data->dev_started = 0;
 757                 }
 758
 759                 /* init user callbacks */
 760                 TAILQ_INIT(&(cryptodev->link_intr_cbs));
 761
 762                 cryptodev->attached = RTE_CRYPTODEV_ATTACHED;
 763
 764                 cryptodev_globals.nb_devs++;
 765         }
 766
 767         return cryptodev;
 768 }
 769
 770 int
 771 rte_cryptodev_pmd_release_device(struct rte_cryptodev *cryptodev)
 772 {
 773         int ret;
 774         uint8_t dev_id;
 775
 776         if (cryptodev == NULL)
 777                 return -EINVAL;
 778
 779         dev_id = cryptodev->data->dev_id;
 780
 781         /* Close device only if device operations have been set */
 782         if (cryptodev->dev_ops) {
 783                 ret = rte_cryptodev_close(dev_id);
 784                 if (ret < 0)
 785                         return ret;
 786         }
 787
 788         ret = rte_cryptodev_data_free(dev_id, &cryptodev_globals.data[dev_id]);
 789         if (ret < 0)
 790                 return ret;
 791
 792         cryptodev->attached = RTE_CRYPTODEV_DETACHED;
 793         cryptodev_globals.nb_devs--;
 794         return 0;
 795 }
 796
 797 uint16_t
 798 rte_cryptodev_queue_pair_count(uint8_t dev_id)
 799 {
 800         struct rte_cryptodev *dev;
 801
 802         if (!rte_cryptodev_is_valid_device_data(dev_id)) {
 803                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
 804                 return 0;
 805         }
 806
 807         dev = &rte_crypto_devices[dev_id];
 808         return dev->data->nb_queue_pairs;
 809 }
 810
 811 static int
 812 rte_cryptodev_queue_pairs_config(struct rte_cryptodev *dev, uint16_t nb_qpairs,
 813                 int socket_id)
 814 {
 815         struct rte_cryptodev_info dev_info;
 816         void **qp;
 817         unsigned i;
 818
 819         if ((dev == NULL) || (nb_qpairs < 1)) {
 820                 CDEV_LOG_ERR("invalid param: dev %p, nb_queues %u",
 821                                                         dev, nb_qpairs);
 822                 return -EINVAL;
 823         }
 824
 825         CDEV_LOG_DEBUG("Setup %d queues pairs on device %u",
 826                         nb_qpairs, dev->data->dev_id);
 827
 828         memset(&dev_info, 0, sizeof(struct rte_cryptodev_info));
 829
 830         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_infos_get, -ENOTSUP);
 831         (*dev->dev_ops->dev_infos_get)(dev, &dev_info);
 832
 833         if (nb_qpairs > (dev_info.max_nb_queue_pairs)) {
 834                 CDEV_LOG_ERR("Invalid num queue_pairs (%u) for dev %u",
 835                                 nb_qpairs, dev->data->dev_id);
 836             return -EINVAL;
 837         }
 838
 839         if (dev->data->queue_pairs == NULL) { /* first time configuration */
 840                 dev->data->queue_pairs = rte_zmalloc_socket(
 841                                 "cryptodev->queue_pairs",
 842                                 sizeof(dev->data->queue_pairs[0]) * nb_qpairs,
 843                                 RTE_CACHE_LINE_SIZE, socket_id);
 844
 845                 if (dev->data->queue_pairs == NULL) {
 846                         dev->data->nb_queue_pairs = 0;
 847                         CDEV_LOG_ERR("failed to get memory for qp meta data, "
 848                                                         "nb_queues %u",
 849                                                         nb_qpairs);
 850                         return -(ENOMEM);
 851                 }
 852         } else { /* re-configure */
 853                 int ret;
 854                 uint16_t old_nb_queues = dev->data->nb_queue_pairs;
 855
 856                 qp = dev->data->queue_pairs;
 857
 858                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->queue_pair_release,
 859                                 -ENOTSUP);
 860
 861                 for (i = nb_qpairs; i < old_nb_queues; i++) {
 862                         ret = (*dev->dev_ops->queue_pair_release)(dev, i);
 863                         if (ret < 0)
 864                                 return ret;
 865                 }
 866
 867                 qp = rte_realloc(qp, sizeof(qp[0]) * nb_qpairs,
 868                                 RTE_CACHE_LINE_SIZE);
 869                 if (qp == NULL) {
 870                         CDEV_LOG_ERR("failed to realloc qp meta data,"
 871                                                 " nb_queues %u", nb_qpairs);
 872                         return -(ENOMEM);
 873                 }
 874
 875                 if (nb_qpairs > old_nb_queues) {
 876                         uint16_t new_qs = nb_qpairs - old_nb_queues;
 877
 878                         memset(qp + old_nb_queues, 0,
 879                                 sizeof(qp[0]) * new_qs);
 880                 }
 881
 882                 dev->data->queue_pairs = qp;
 883
 884         }
 885         dev->data->nb_queue_pairs = nb_qpairs;
 886         return 0;
 887 }
 888
 889 int
 890 rte_cryptodev_configure(uint8_t dev_id, struct rte_cryptodev_config *config)
 891 {
 892         struct rte_cryptodev *dev;
 893         int diag;
 894
 895         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
 896                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
 897                 return -EINVAL;
 898         }
 899
 900         dev = &rte_crypto_devices[dev_id];
 901
 902         if (dev->data->dev_started) {
 903                 CDEV_LOG_ERR(
 904                     "device %d must be stopped to allow configuration", dev_id);
 905                 return -EBUSY;
 906         }
 907
 908         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_configure, -ENOTSUP);
 909
 910         /* Setup new number of queue pairs and reconfigure device. */
 911         diag = rte_cryptodev_queue_pairs_config(dev, config->nb_queue_pairs,
 912                         config->socket_id);
 913         if (diag != 0) {
 914                 CDEV_LOG_ERR("dev%d rte_crypto_dev_queue_pairs_config = %d",
 915                                 dev_id, diag);
 916                 return diag;
 917         }
 918
 919         return (*dev->dev_ops->dev_configure)(dev, config);
 920 }
 921
 922
 923 int
 924 rte_cryptodev_start(uint8_t dev_id)
 925 {
 926         struct rte_cryptodev *dev;
 927         int diag;
 928
 929         CDEV_LOG_DEBUG("Start dev_id=%" PRIu8, dev_id);
 930
 931         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
 932                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
 933                 return -EINVAL;
 934         }
 935
 936         dev = &rte_crypto_devices[dev_id];
 937
 938         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_start, -ENOTSUP);
 939
 940         if (dev->data->dev_started != 0) {
 941                 CDEV_LOG_ERR("Device with dev_id=%" PRIu8 " already started",
 942                         dev_id);
 943                 return 0;
 944         }
 945
 946         diag = (*dev->dev_ops->dev_start)(dev);
 947         if (diag == 0)
 948                 dev->data->dev_started = 1;
 949         else
 950                 return diag;
 951
 952         return 0;
 953 }
 954
 955 void
 956 rte_cryptodev_stop(uint8_t dev_id)
 957 {
 958         struct rte_cryptodev *dev;
 959
 960         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
 961                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
 962                 return;
 963         }
 964
 965         dev = &rte_crypto_devices[dev_id];
 966
 967         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->dev_stop);
 968
 969         if (dev->data->dev_started == 0) {
 970                 CDEV_LOG_ERR("Device with dev_id=%" PRIu8 " already stopped",
 971                         dev_id);
 972                 return;
 973         }
 974
 975         (*dev->dev_ops->dev_stop)(dev);
 976         dev->data->dev_started = 0;
 977 }
 978
 979 int
 980 rte_cryptodev_close(uint8_t dev_id)
 981 {
 982         struct rte_cryptodev *dev;
 983         int retval;
 984
 985         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
 986                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
 987                 return -1;
 988         }
 989
 990         dev = &rte_crypto_devices[dev_id];
 991
 992         /* Device must be stopped before it can be closed */
 993         if (dev->data->dev_started == 1) {
 994                 CDEV_LOG_ERR("Device %u must be stopped before closing",
 995                                 dev_id);
 996                 return -EBUSY;
 997         }
 998
 999         /* We can't close the device if there are outstanding sessions in use */
1000         if (dev->data->session_pool != NULL) {
1001                 if (!rte_mempool_full(dev->data->session_pool)) {
1002                         CDEV_LOG_ERR("dev_id=%u close failed, session mempool "
1003                                         "has sessions still in use, free "
1004                                         "all sessions before calling close",
1005                                         (unsigned)dev_id);
1006                         return -EBUSY;
1007                 }
1008         }
1009
1010         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_close, -ENOTSUP);
1011         retval = (*dev->dev_ops->dev_close)(dev);
1012
1013         if (retval < 0)
1014                 return retval;
1015
1016         return 0;
1017 }
1018
1019 int
1020 rte_cryptodev_queue_pair_setup(uint8_t dev_id, uint16_t queue_pair_id,
1021                 const struct rte_cryptodev_qp_conf *qp_conf, int socket_id)
1022
1023 {
1024         struct rte_cryptodev *dev;
1025
1026         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
1027                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
1028                 return -EINVAL;
1029         }
1030
1031         dev = &rte_crypto_devices[dev_id];
1032         if (queue_pair_id >= dev->data->nb_queue_pairs) {
1033                 CDEV_LOG_ERR("Invalid queue_pair_id=%d", queue_pair_id);
1034                 return -EINVAL;
1035         }
1036
1037         if (!qp_conf) {
1038                 CDEV_LOG_ERR("qp_conf cannot be NULL\n");
1039                 return -EINVAL;
1040         }
1041
1042         if ((qp_conf->mp_session && !qp_conf->mp_session_private) ||
1043                         (!qp_conf->mp_session && qp_conf->mp_session_private)) {
1044                 CDEV_LOG_ERR("Invalid mempools\n");
1045                 return -EINVAL;
1046         }
1047
1048         if (qp_conf->mp_session) {
1049                 struct rte_cryptodev_sym_session_pool_private_data *pool_priv;
1050                 uint32_t obj_size = qp_conf->mp_session->elt_size;
1051                 uint32_t obj_priv_size = qp_conf->mp_session_private->elt_size;
1052                 struct rte_cryptodev_sym_session s = {0};
1053
1054                 pool_priv = rte_mempool_get_priv(qp_conf->mp_session);
1055                 if (!pool_priv || qp_conf->mp_session->private_data_size <
1056                                 sizeof(*pool_priv)) {
1057                         CDEV_LOG_ERR("Invalid mempool\n");
1058                         return -EINVAL;
1059                 }
1060
1061                 s.nb_drivers = pool_priv->nb_drivers;
1062                 s.user_data_sz = pool_priv->user_data_sz;
1063
1064                 if ((rte_cryptodev_sym_get_existing_header_session_size(&s) >
1065                         obj_size) || (s.nb_drivers <= dev->driver_id) ||
1066                         rte_cryptodev_sym_get_private_session_size(dev_id) >
1067                                 obj_priv_size) {
1068                         CDEV_LOG_ERR("Invalid mempool\n");
1069                         return -EINVAL;
1070                 }
1071         }
1072
1073         if (dev->data->dev_started) {
1074                 CDEV_LOG_ERR(
1075                     "device %d must be stopped to allow configuration", dev_id);
1076                 return -EBUSY;
1077         }
1078
1079         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->queue_pair_setup, -ENOTSUP);
1080
1081         return (*dev->dev_ops->queue_pair_setup)(dev, queue_pair_id, qp_conf,
1082                         socket_id);
1083 }
1084
1085
1086 int
1087 rte_cryptodev_stats_get(uint8_t dev_id, struct rte_cryptodev_stats *stats)
1088 {
1089         struct rte_cryptodev *dev;
1090
1091         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
1092                 CDEV_LOG_ERR("Invalid dev_id=%d", dev_id);
1093                 return -ENODEV;
1094         }
1095
1096         if (stats == NULL) {
1097                 CDEV_LOG_ERR("Invalid stats ptr");
1098                 return -EINVAL;
1099         }
1100
1101         dev = &rte_crypto_devices[dev_id];
1102         memset(stats, 0, sizeof(*stats));
1103
1104         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->stats_get, -ENOTSUP);
1105         (*dev->dev_ops->stats_get)(dev, stats);
1106         return 0;
1107 }
1108
1109 void
1110 rte_cryptodev_stats_reset(uint8_t dev_id)
1111 {
1112         struct rte_cryptodev *dev;
1113
1114         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
1115                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
1116                 return;
1117         }
1118
1119         dev = &rte_crypto_devices[dev_id];
1120
1121         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->stats_reset);
1122         (*dev->dev_ops->stats_reset)(dev);
1123 }
1124
1125
1126 void
1127 rte_cryptodev_info_get(uint8_t dev_id, struct rte_cryptodev_info *dev_info)
1128 {
1129         struct rte_cryptodev *dev;
1130
1131         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
1132                 CDEV_LOG_ERR("Invalid dev_id=%d", dev_id);
1133                 return;
1134         }
1135
1136         dev = &rte_crypto_devices[dev_id];
1137
1138         memset(dev_info, 0, sizeof(struct rte_cryptodev_info));
1139
1140         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->dev_infos_get);
1141         (*dev->dev_ops->dev_infos_get)(dev, dev_info);
1142
1143         dev_info->driver_name = dev->device->driver->name;
1144         dev_info->device = dev->device;
1145 }
1146
1147
1148 int
1149 rte_cryptodev_callback_register(uint8_t dev_id,
1150                         enum rte_cryptodev_event_type event,
1151                         rte_cryptodev_cb_fn cb_fn, void *cb_arg)
1152 {
1153         struct rte_cryptodev *dev;
1154         struct rte_cryptodev_callback *user_cb;
1155
1156         if (!cb_fn)
1157                 return -EINVAL;
1158
1159         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
1160                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
1161                 return -EINVAL;
1162         }
1163
1164         dev = &rte_crypto_devices[dev_id];
1165         rte_spinlock_lock(&rte_cryptodev_cb_lock);
1166
1167         TAILQ_FOREACH(user_cb, &(dev->link_intr_cbs), next) {
1168                 if (user_cb->cb_fn == cb_fn &&
1169                         user_cb->cb_arg == cb_arg &&
1170                         user_cb->event == event) {
1171                         break;
1172                 }
1173         }
1174
1175         /* create a new callback. */
1176         if (user_cb == NULL) {
1177                 user_cb = rte_zmalloc("INTR_USER_CALLBACK",
1178                                 sizeof(struct rte_cryptodev_callback), 0);
1179                 if (user_cb != NULL) {
1180                         user_cb->cb_fn = cb_fn;
1181                         user_cb->cb_arg = cb_arg;
1182                         user_cb->event = event;
1183                         TAILQ_INSERT_TAIL(&(dev->link_intr_cbs), user_cb, next);
1184                 }
1185         }
1186
1187         rte_spinlock_unlock(&rte_cryptodev_cb_lock);
1188         return (user_cb == NULL) ? -ENOMEM : 0;
1189 }
1190
1191 int
1192 rte_cryptodev_callback_unregister(uint8_t dev_id,
1193                         enum rte_cryptodev_event_type event,
1194                         rte_cryptodev_cb_fn cb_fn, void *cb_arg)
1195 {
1196         int ret;
1197         struct rte_cryptodev *dev;
1198         struct rte_cryptodev_callback *cb, *next;
1199
1200         if (!cb_fn)
1201                 return -EINVAL;
1202
1203         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
1204                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
1205                 return -EINVAL;
1206         }
1207
1208         dev = &rte_crypto_devices[dev_id];
1209         rte_spinlock_lock(&rte_cryptodev_cb_lock);
1210
1211         ret = 0;
1212         for (cb = TAILQ_FIRST(&dev->link_intr_cbs); cb != NULL; cb = next) {
1213
1214                 next = TAILQ_NEXT(cb, next);
1215
1216                 if (cb->cb_fn != cb_fn || cb->event != event ||
1217                                 (cb->cb_arg != (void *)-1 &&
1218                                 cb->cb_arg != cb_arg))
1219                         continue;
1220
1221                 /*
1222                  * if this callback is not executing right now,
1223                  * then remove it.
1224                  */
1225                 if (cb->active == 0) {
1226                         TAILQ_REMOVE(&(dev->link_intr_cbs), cb, next);
1227                         rte_free(cb);
1228                 } else {
1229                         ret = -EAGAIN;
1230                 }
1231         }
1232
1233         rte_spinlock_unlock(&rte_cryptodev_cb_lock);
1234         return ret;
1235 }
1236
1237 void
1238 rte_cryptodev_pmd_callback_process(struct rte_cryptodev *dev,
1239         enum rte_cryptodev_event_type event)
1240 {
1241         struct rte_cryptodev_callback *cb_lst;
1242         struct rte_cryptodev_callback dev_cb;
1243
1244         rte_spinlock_lock(&rte_cryptodev_cb_lock);
1245         TAILQ_FOREACH(cb_lst, &(dev->link_intr_cbs), next) {
1246                 if (cb_lst->cb_fn == NULL || cb_lst->event != event)
1247                         continue;
1248                 dev_cb = *cb_lst;
1249                 cb_lst->active = 1;
1250                 rte_spinlock_unlock(&rte_cryptodev_cb_lock);
1251                 dev_cb.cb_fn(dev->data->dev_id, dev_cb.event,
1252                                                 dev_cb.cb_arg);
1253                 rte_spinlock_lock(&rte_cryptodev_cb_lock);
1254                 cb_lst->active = 0;
1255         }
1256         rte_spinlock_unlock(&rte_cryptodev_cb_lock);
1257 }
1258
1259
1260 int
1261 rte_cryptodev_sym_session_init(uint8_t dev_id,
1262                 struct rte_cryptodev_sym_session *sess,
1263                 struct rte_crypto_sym_xform *xforms,
1264                 struct rte_mempool *mp)
1265 {
1266         struct rte_cryptodev *dev;
1267         uint32_t sess_priv_sz = rte_cryptodev_sym_get_private_session_size(
1268                         dev_id);
1269         uint8_t index;
1270         int ret;
1271
1272         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
1273                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
1274                 return -EINVAL;
1275         }
1276
1277         dev = rte_cryptodev_pmd_get_dev(dev_id);
1278
1279         if (sess == NULL || xforms == NULL || dev == NULL)
1280                 return -EINVAL;
1281
1282         if (mp->elt_size < sess_priv_sz)
1283                 return -EINVAL;
1284
1285         index = dev->driver_id;
1286         if (index >= sess->nb_drivers)
1287                 return -EINVAL;
1288
1289         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->sym_session_configure, -ENOTSUP);
1290
1291         if (sess->sess_data[index].refcnt == 0) {
1292                 ret = dev->dev_ops->sym_session_configure(dev, xforms,
1293                                                         sess, mp);
1294                 if (ret < 0) {
1295                         CDEV_LOG_ERR(
1296                                 "dev_id %d failed to configure session details",
1297                                 dev_id);
1298                         return ret;
1299                 }
1300         }
1301
1302         sess->sess_data[index].refcnt++;
1303         return 0;
1304 }
1305
1306 int
1307 rte_cryptodev_asym_session_init(uint8_t dev_id,
1308                 struct rte_cryptodev_asym_session *sess,
1309                 struct rte_crypto_asym_xform *xforms,
1310                 struct rte_mempool *mp)
1311 {
1312         struct rte_cryptodev *dev;
1313         uint8_t index;
1314         int ret;
1315
1316         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
1317                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
1318                 return -EINVAL;
1319         }
1320
1321         dev = rte_cryptodev_pmd_get_dev(dev_id);
1322
1323         if (sess == NULL || xforms == NULL || dev == NULL)
1324                 return -EINVAL;
1325
1326         index = dev->driver_id;
1327
1328         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->asym_session_configure,
1329                                 -ENOTSUP);
1330
1331         if (sess->sess_private_data[index] == NULL) {
1332                 ret = dev->dev_ops->asym_session_configure(dev,
1333                                                         xforms,
1334                                                         sess, mp);
1335                 if (ret < 0) {
1336                         CDEV_LOG_ERR(
1337                                 "dev_id %d failed to configure session details",
1338                                 dev_id);
1339                         return ret;
1340                 }
1341         }
1342
1343         return 0;
1344 }
1345
1346 struct rte_mempool *
1347 rte_cryptodev_sym_session_pool_create(const char *name, uint32_t nb_elts,
1348         uint32_t elt_size, uint32_t cache_size, uint16_t user_data_size,
1349         int socket_id)
1350 {
1351         struct rte_mempool *mp;
1352         struct rte_cryptodev_sym_session_pool_private_data *pool_priv;
1353         uint32_t obj_sz;
1354
1355         obj_sz = rte_cryptodev_sym_get_header_session_size() + user_data_size;
1356         if (obj_sz > elt_size)
1357                 CDEV_LOG_INFO("elt_size %u is expanded to %u\n", elt_size,
1358                                 obj_sz);
1359         else
1360                 obj_sz = elt_size;
1361
1362         mp = rte_mempool_create(name, nb_elts, obj_sz, cache_size,
1363                         (uint32_t)(sizeof(*pool_priv)),
1364                         NULL, NULL, NULL, NULL,
1365                         socket_id, 0);
1366         if (mp == NULL) {
1367                 CDEV_LOG_ERR("%s(name=%s) failed, rte_errno=%d\n",
1368                         __func__, name, rte_errno);
1369                 return NULL;
1370         }
1371
1372         pool_priv = rte_mempool_get_priv(mp);
1373         if (!pool_priv) {
1374                 CDEV_LOG_ERR("%s(name=%s) failed to get private data\n",
1375                         __func__, name);
1376                 rte_mempool_free(mp);
1377                 return NULL;
1378         }
1379
1380         pool_priv->nb_drivers = nb_drivers;
1381         pool_priv->user_data_sz = user_data_size;
1382
1383         return mp;
1384 }
1385
1386 static unsigned int
1387 rte_cryptodev_sym_session_data_size(struct rte_cryptodev_sym_session *sess)
1388 {
1389         return (sizeof(sess->sess_data[0]) * sess->nb_drivers) +
1390                         sess->user_data_sz;
1391 }
1392
1393 struct rte_cryptodev_sym_session *
1394 rte_cryptodev_sym_session_create(struct rte_mempool *mp)
1395 {
1396         struct rte_cryptodev_sym_session *sess;
1397         struct rte_cryptodev_sym_session_pool_private_data *pool_priv;
1398
1399         if (!mp) {
1400                 CDEV_LOG_ERR("Invalid mempool\n");
1401                 return NULL;
1402         }
1403
1404         pool_priv = rte_mempool_get_priv(mp);
1405
1406         if (!pool_priv || mp->private_data_size < sizeof(*pool_priv)) {
1407                 CDEV_LOG_ERR("Invalid mempool\n");
1408                 return NULL;
1409         }
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         sess->nb_drivers = pool_priv->nb_drivers;
1418         sess->user_data_sz = pool_priv->user_data_sz;
1419         sess->opaque_data = 0;
1420
1421         /* Clear device session pointer.
1422          * Include the flag indicating presence of user data
1423          */
1424         memset(sess->sess_data, 0,
1425                         rte_cryptodev_sym_session_data_size(sess));
1426
1427         return sess;
1428 }
1429
1430 struct rte_cryptodev_asym_session *
1431 rte_cryptodev_asym_session_create(struct rte_mempool *mp)
1432 {
1433         struct rte_cryptodev_asym_session *sess;
1434
1435         /* Allocate a session structure from the session pool */
1436         if (rte_mempool_get(mp, (void **)&sess)) {
1437                 CDEV_LOG_ERR("couldn't get object from session mempool");
1438                 return NULL;
1439         }
1440
1441         /* Clear device session pointer.
1442          * Include the flag indicating presence of private data
1443          */
1444         memset(sess, 0, (sizeof(void *) * nb_drivers) + sizeof(uint8_t));
1445
1446         return sess;
1447 }
1448
1449 int
1450 rte_cryptodev_sym_session_clear(uint8_t dev_id,
1451                 struct rte_cryptodev_sym_session *sess)
1452 {
1453         struct rte_cryptodev *dev;
1454         uint8_t driver_id;
1455
1456         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
1457                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
1458                 return -EINVAL;
1459         }
1460
1461         dev = rte_cryptodev_pmd_get_dev(dev_id);
1462
1463         if (dev == NULL || sess == NULL)
1464                 return -EINVAL;
1465
1466         driver_id = dev->driver_id;
1467         if (sess->sess_data[driver_id].refcnt == 0)
1468                 return 0;
1469         if (--sess->sess_data[driver_id].refcnt != 0)
1470                 return -EBUSY;
1471
1472         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->sym_session_clear, -ENOTSUP);
1473
1474         dev->dev_ops->sym_session_clear(dev, sess);
1475
1476         return 0;
1477 }
1478
1479 int
1480 rte_cryptodev_asym_session_clear(uint8_t dev_id,
1481                 struct rte_cryptodev_asym_session *sess)
1482 {
1483         struct rte_cryptodev *dev;
1484
1485         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
1486                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
1487                 return -EINVAL;
1488         }
1489
1490         dev = rte_cryptodev_pmd_get_dev(dev_id);
1491
1492         if (dev == NULL || sess == NULL)
1493                 return -EINVAL;
1494
1495         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->asym_session_clear, -ENOTSUP);
1496
1497         dev->dev_ops->asym_session_clear(dev, sess);
1498
1499         return 0;
1500 }
1501
1502 int
1503 rte_cryptodev_sym_session_free(struct rte_cryptodev_sym_session *sess)
1504 {
1505         uint8_t i;
1506         struct rte_mempool *sess_mp;
1507
1508         if (sess == NULL)
1509                 return -EINVAL;
1510
1511         /* Check that all device private data has been freed */
1512         for (i = 0; i < sess->nb_drivers; i++) {
1513                 if (sess->sess_data[i].refcnt != 0)
1514                         return -EBUSY;
1515         }
1516
1517         /* Return session to mempool */
1518         sess_mp = rte_mempool_from_obj(sess);
1519         rte_mempool_put(sess_mp, sess);
1520
1521         return 0;
1522 }
1523
1524 int
1525 rte_cryptodev_asym_session_free(struct rte_cryptodev_asym_session *sess)
1526 {
1527         uint8_t i;
1528         void *sess_priv;
1529         struct rte_mempool *sess_mp;
1530
1531         if (sess == NULL)
1532                 return -EINVAL;
1533
1534         /* Check that all device private data has been freed */
1535         for (i = 0; i < nb_drivers; i++) {
1536                 sess_priv = get_asym_session_private_data(sess, i);
1537                 if (sess_priv != NULL)
1538                         return -EBUSY;
1539         }
1540
1541         /* Return session to mempool */
1542         sess_mp = rte_mempool_from_obj(sess);
1543         rte_mempool_put(sess_mp, sess);
1544
1545         return 0;
1546 }
1547
1548 unsigned int
1549 rte_cryptodev_sym_get_header_session_size(void)
1550 {
1551         /*
1552          * Header contains pointers to the private data of all registered
1553          * drivers and all necessary information to ensure safely clear
1554          * or free al session.
1555          */
1556         struct rte_cryptodev_sym_session s = {0};
1557
1558         s.nb_drivers = nb_drivers;
1559
1560         return (unsigned int)(sizeof(s) +
1561                         rte_cryptodev_sym_session_data_size(&s));
1562 }
1563
1564 unsigned int
1565 rte_cryptodev_sym_get_existing_header_session_size(
1566                 struct rte_cryptodev_sym_session *sess)
1567 {
1568         if (!sess)
1569                 return 0;
1570         else
1571                 return (unsigned int)(sizeof(*sess) +
1572                                 rte_cryptodev_sym_session_data_size(sess));
1573 }
1574
1575 unsigned int
1576 rte_cryptodev_asym_get_header_session_size(void)
1577 {
1578         /*
1579          * Header contains pointers to the private data
1580          * of all registered drivers, and a flag which
1581          * indicates presence of private data
1582          */
1583         return ((sizeof(void *) * nb_drivers) + sizeof(uint8_t));
1584 }
1585
1586 unsigned int
1587 rte_cryptodev_sym_get_private_session_size(uint8_t dev_id)
1588 {
1589         struct rte_cryptodev *dev;
1590         unsigned int priv_sess_size;
1591
1592         if (!rte_cryptodev_pmd_is_valid_dev(dev_id))
1593                 return 0;
1594
1595         dev = rte_cryptodev_pmd_get_dev(dev_id);
1596
1597         if (*dev->dev_ops->sym_session_get_size == NULL)
1598                 return 0;
1599
1600         priv_sess_size = (*dev->dev_ops->sym_session_get_size)(dev);
1601
1602         return priv_sess_size;
1603 }
1604
1605 unsigned int
1606 rte_cryptodev_asym_get_private_session_size(uint8_t dev_id)
1607 {
1608         struct rte_cryptodev *dev;
1609         unsigned int header_size = sizeof(void *) * nb_drivers;
1610         unsigned int priv_sess_size;
1611
1612         if (!rte_cryptodev_pmd_is_valid_dev(dev_id))
1613                 return 0;
1614
1615         dev = rte_cryptodev_pmd_get_dev(dev_id);
1616
1617         if (*dev->dev_ops->asym_session_get_size == NULL)
1618                 return 0;
1619
1620         priv_sess_size = (*dev->dev_ops->asym_session_get_size)(dev);
1621         if (priv_sess_size < header_size)
1622                 return header_size;
1623
1624         return priv_sess_size;
1625
1626 }
1627
1628 int
1629 rte_cryptodev_sym_session_set_user_data(
1630                                         struct rte_cryptodev_sym_session *sess,
1631                                         void *data,
1632                                         uint16_t size)
1633 {
1634         if (sess == NULL)
1635                 return -EINVAL;
1636
1637         if (sess->user_data_sz < size)
1638                 return -ENOMEM;
1639
1640         rte_memcpy(sess->sess_data + sess->nb_drivers, data, size);
1641         return 0;
1642 }
1643
1644 void *
1645 rte_cryptodev_sym_session_get_user_data(
1646                                         struct rte_cryptodev_sym_session *sess)
1647 {
1648         if (sess == NULL || sess->user_data_sz == 0)
1649                 return NULL;
1650
1651         return (void *)(sess->sess_data + sess->nb_drivers);
1652 }
1653
1654 static inline void
1655 sym_crypto_fill_status(struct rte_crypto_sym_vec *vec, int32_t errnum)
1656 {
1657         uint32_t i;
1658         for (i = 0; i < vec->num; i++)
1659                 vec->status[i] = errnum;
1660 }
1661
1662 uint32_t
1663 rte_cryptodev_sym_cpu_crypto_process(uint8_t dev_id,
1664         struct rte_cryptodev_sym_session *sess, union rte_crypto_sym_ofs ofs,
1665         struct rte_crypto_sym_vec *vec)
1666 {
1667         struct rte_cryptodev *dev;
1668
1669         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
1670                 sym_crypto_fill_status(vec, EINVAL);
1671                 return 0;
1672         }
1673
1674         dev = rte_cryptodev_pmd_get_dev(dev_id);
1675
1676         if (*dev->dev_ops->sym_cpu_process == NULL ||
1677                 !(dev->feature_flags & RTE_CRYPTODEV_FF_SYM_CPU_CRYPTO)) {
1678                 sym_crypto_fill_status(vec, ENOTSUP);
1679                 return 0;
1680         }
1681
1682         return dev->dev_ops->sym_cpu_process(dev, sess, ofs, vec);
1683 }
1684
1685 /** Initialise rte_crypto_op mempool element */
1686 static void
1687 rte_crypto_op_init(struct rte_mempool *mempool,
1688                 void *opaque_arg,
1689                 void *_op_data,
1690                 __rte_unused unsigned i)
1691 {
1692         struct rte_crypto_op *op = _op_data;
1693         enum rte_crypto_op_type type = *(enum rte_crypto_op_type *)opaque_arg;
1694
1695         memset(_op_data, 0, mempool->elt_size);
1696
1697         __rte_crypto_op_reset(op, type);
1698
1699         op->phys_addr = rte_mem_virt2iova(_op_data);
1700         op->mempool = mempool;
1701 }
1702
1703
1704 struct rte_mempool *
1705 rte_crypto_op_pool_create(const char *name, enum rte_crypto_op_type type,
1706                 unsigned nb_elts, unsigned cache_size, uint16_t priv_size,
1707                 int socket_id)
1708 {
1709         struct rte_crypto_op_pool_private *priv;
1710
1711         unsigned elt_size = sizeof(struct rte_crypto_op) +
1712                         priv_size;
1713
1714         if (type == RTE_CRYPTO_OP_TYPE_SYMMETRIC) {
1715                 elt_size += sizeof(struct rte_crypto_sym_op);
1716         } else if (type == RTE_CRYPTO_OP_TYPE_ASYMMETRIC) {
1717                 elt_size += sizeof(struct rte_crypto_asym_op);
1718         } else if (type == RTE_CRYPTO_OP_TYPE_UNDEFINED) {
1719                 elt_size += RTE_MAX(sizeof(struct rte_crypto_sym_op),
1720                                     sizeof(struct rte_crypto_asym_op));
1721         } else {
1722                 CDEV_LOG_ERR("Invalid op_type\n");
1723                 return NULL;
1724         }
1725
1726         /* lookup mempool in case already allocated */
1727         struct rte_mempool *mp = rte_mempool_lookup(name);
1728
1729         if (mp != NULL) {
1730                 priv = (struct rte_crypto_op_pool_private *)
1731                                 rte_mempool_get_priv(mp);
1732
1733                 if (mp->elt_size != elt_size ||
1734                                 mp->cache_size < cache_size ||
1735                                 mp->size < nb_elts ||
1736                                 priv->priv_size <  priv_size) {
1737                         mp = NULL;
1738                         CDEV_LOG_ERR("Mempool %s already exists but with "
1739                                         "incompatible parameters", name);
1740                         return NULL;
1741                 }
1742                 return mp;
1743         }
1744
1745         mp = rte_mempool_create(
1746                         name,
1747                         nb_elts,
1748                         elt_size,
1749                         cache_size,
1750                         sizeof(struct rte_crypto_op_pool_private),
1751                         NULL,
1752                         NULL,
1753                         rte_crypto_op_init,
1754                         &type,
1755                         socket_id,
1756                         0);
1757
1758         if (mp == NULL) {
1759                 CDEV_LOG_ERR("Failed to create mempool %s", name);
1760                 return NULL;
1761         }
1762
1763         priv = (struct rte_crypto_op_pool_private *)
1764                         rte_mempool_get_priv(mp);
1765
1766         priv->priv_size = priv_size;
1767         priv->type = type;
1768
1769         return mp;
1770 }
1771
1772 int
1773 rte_cryptodev_pmd_create_dev_name(char *name, const char *dev_name_prefix)
1774 {
1775         struct rte_cryptodev *dev = NULL;
1776         uint32_t i = 0;
1777
1778         if (name == NULL)
1779                 return -EINVAL;
1780
1781         for (i = 0; i < RTE_CRYPTO_MAX_DEVS; i++) {
1782                 int ret = snprintf(name, RTE_CRYPTODEV_NAME_MAX_LEN,
1783                                 "%s_%u", dev_name_prefix, i);
1784
1785                 if (ret < 0)
1786                         return ret;
1787
1788                 dev = rte_cryptodev_pmd_get_named_dev(name);
1789                 if (!dev)
1790                         return 0;
1791         }
1792
1793         return -1;
1794 }
1795
1796 TAILQ_HEAD(cryptodev_driver_list, cryptodev_driver);
1797
1798 static struct cryptodev_driver_list cryptodev_driver_list =
1799         TAILQ_HEAD_INITIALIZER(cryptodev_driver_list);
1800
1801 int
1802 rte_cryptodev_driver_id_get(const char *name)
1803 {
1804         struct cryptodev_driver *driver;
1805         const char *driver_name;
1806
1807         if (name == NULL) {
1808                 RTE_LOG(DEBUG, CRYPTODEV, "name pointer NULL");
1809                 return -1;
1810         }
1811
1812         TAILQ_FOREACH(driver, &cryptodev_driver_list, next) {
1813                 driver_name = driver->driver->name;
1814                 if (strncmp(driver_name, name, strlen(driver_name) + 1) == 0)
1815                         return driver->id;
1816         }
1817         return -1;
1818 }
1819
1820 const char *
1821 rte_cryptodev_name_get(uint8_t dev_id)
1822 {
1823         struct rte_cryptodev *dev;
1824
1825         if (!rte_cryptodev_is_valid_device_data(dev_id)) {
1826                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
1827                 return NULL;
1828         }
1829
1830         dev = rte_cryptodev_pmd_get_dev(dev_id);
1831         if (dev == NULL)
1832                 return NULL;
1833
1834         return dev->data->name;
1835 }
1836
1837 const char *
1838 rte_cryptodev_driver_name_get(uint8_t driver_id)
1839 {
1840         struct cryptodev_driver *driver;
1841
1842         TAILQ_FOREACH(driver, &cryptodev_driver_list, next)
1843                 if (driver->id == driver_id)
1844                         return driver->driver->name;
1845         return NULL;
1846 }
1847
1848 uint8_t
1849 rte_cryptodev_allocate_driver(struct cryptodev_driver *crypto_drv,
1850                 const struct rte_driver *drv)
1851 {
1852         crypto_drv->driver = drv;
1853         crypto_drv->id = nb_drivers;
1854
1855         TAILQ_INSERT_TAIL(&cryptodev_driver_list, crypto_drv, next);
1856
1857         return nb_drivers++;
1858 }