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