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 #include "rte_cryptodev_trace.h"
  44
  45 static uint8_t nb_drivers;
  46
  47 static struct rte_cryptodev rte_crypto_devices[RTE_CRYPTO_MAX_DEVS];
  48
  49 struct rte_cryptodev *rte_cryptodevs = rte_crypto_devices;
  50
  51 static struct rte_cryptodev_global cryptodev_globals = {
  52                 .devs                   = rte_crypto_devices,
  53                 .data                   = { NULL },
  54                 .nb_devs                = 0
  55 };
  56
  57 /* 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         [RTE_CRYPTO_ASYM_XFORM_ECDSA]   = "ecdsa",
 178         [RTE_CRYPTO_ASYM_XFORM_ECPM]    = "ecpm",
 179 };
 180
 181 /**
 182  * Asymmetric crypto operation strings identifiers.
 183  */
 184 const char *rte_crypto_asym_op_strings[] = {
 185         [RTE_CRYPTO_ASYM_OP_ENCRYPT]    = "encrypt",
 186         [RTE_CRYPTO_ASYM_OP_DECRYPT]    = "decrypt",
 187         [RTE_CRYPTO_ASYM_OP_SIGN]       = "sign",
 188         [RTE_CRYPTO_ASYM_OP_VERIFY]     = "verify",
 189         [RTE_CRYPTO_ASYM_OP_PRIVATE_KEY_GENERATE]       = "priv_key_generate",
 190         [RTE_CRYPTO_ASYM_OP_PUBLIC_KEY_GENERATE] = "pub_key_generate",
 191         [RTE_CRYPTO_ASYM_OP_SHARED_SECRET_COMPUTE] = "sharedsecret_compute",
 192 };
 193
 194 /**
 195  * The private data structure stored in the session mempool private data.
 196  */
 197 struct rte_cryptodev_sym_session_pool_private_data {
 198         uint16_t nb_drivers;
 199         /**< number of elements in sess_data array */
 200         uint16_t user_data_sz;
 201         /**< session user data will be placed after sess_data */
 202 };
 203
 204 int
 205 rte_cryptodev_get_cipher_algo_enum(enum rte_crypto_cipher_algorithm *algo_enum,
 206                 const char *algo_string)
 207 {
 208         unsigned int i;
 209
 210         for (i = 1; i < RTE_DIM(rte_crypto_cipher_algorithm_strings); i++) {
 211                 if (strcmp(algo_string, rte_crypto_cipher_algorithm_strings[i]) == 0) {
 212                         *algo_enum = (enum rte_crypto_cipher_algorithm) i;
 213                         return 0;
 214                 }
 215         }
 216
 217         /* Invalid string */
 218         return -1;
 219 }
 220
 221 int
 222 rte_cryptodev_get_auth_algo_enum(enum rte_crypto_auth_algorithm *algo_enum,
 223                 const char *algo_string)
 224 {
 225         unsigned int i;
 226
 227         for (i = 1; i < RTE_DIM(rte_crypto_auth_algorithm_strings); i++) {
 228                 if (strcmp(algo_string, rte_crypto_auth_algorithm_strings[i]) == 0) {
 229                         *algo_enum = (enum rte_crypto_auth_algorithm) i;
 230                         return 0;
 231                 }
 232         }
 233
 234         /* Invalid string */
 235         return -1;
 236 }
 237
 238 int
 239 rte_cryptodev_get_aead_algo_enum(enum rte_crypto_aead_algorithm *algo_enum,
 240                 const char *algo_string)
 241 {
 242         unsigned int i;
 243
 244         for (i = 1; i < RTE_DIM(rte_crypto_aead_algorithm_strings); i++) {
 245                 if (strcmp(algo_string, rte_crypto_aead_algorithm_strings[i]) == 0) {
 246                         *algo_enum = (enum rte_crypto_aead_algorithm) i;
 247                         return 0;
 248                 }
 249         }
 250
 251         /* Invalid string */
 252         return -1;
 253 }
 254
 255 int
 256 rte_cryptodev_asym_get_xform_enum(enum rte_crypto_asym_xform_type *xform_enum,
 257                 const char *xform_string)
 258 {
 259         unsigned int i;
 260
 261         for (i = 1; i < RTE_DIM(rte_crypto_asym_xform_strings); i++) {
 262                 if (strcmp(xform_string,
 263                         rte_crypto_asym_xform_strings[i]) == 0) {
 264                         *xform_enum = (enum rte_crypto_asym_xform_type) i;
 265                         return 0;
 266                 }
 267         }
 268
 269         /* Invalid string */
 270         return -1;
 271 }
 272
 273 /**
 274  * The crypto auth operation strings identifiers.
 275  * It could be used in application command line.
 276  */
 277 const char *
 278 rte_crypto_auth_operation_strings[] = {
 279                 [RTE_CRYPTO_AUTH_OP_VERIFY]     = "verify",
 280                 [RTE_CRYPTO_AUTH_OP_GENERATE]   = "generate"
 281 };
 282
 283 const struct rte_cryptodev_symmetric_capability *
 284 rte_cryptodev_sym_capability_get(uint8_t dev_id,
 285                 const struct rte_cryptodev_sym_capability_idx *idx)
 286 {
 287         const struct rte_cryptodev_capabilities *capability;
 288         struct rte_cryptodev_info dev_info;
 289         int i = 0;
 290
 291         rte_cryptodev_info_get(dev_id, &dev_info);
 292
 293         while ((capability = &dev_info.capabilities[i++])->op !=
 294                         RTE_CRYPTO_OP_TYPE_UNDEFINED) {
 295                 if (capability->op != RTE_CRYPTO_OP_TYPE_SYMMETRIC)
 296                         continue;
 297
 298                 if (capability->sym.xform_type != idx->type)
 299                         continue;
 300
 301                 if (idx->type == RTE_CRYPTO_SYM_XFORM_AUTH &&
 302                         capability->sym.auth.algo == idx->algo.auth)
 303                         return &capability->sym;
 304
 305                 if (idx->type == RTE_CRYPTO_SYM_XFORM_CIPHER &&
 306                         capability->sym.cipher.algo == idx->algo.cipher)
 307                         return &capability->sym;
 308
 309                 if (idx->type == RTE_CRYPTO_SYM_XFORM_AEAD &&
 310                                 capability->sym.aead.algo == idx->algo.aead)
 311                         return &capability->sym;
 312         }
 313
 314         return NULL;
 315
 316 }
 317
 318 static int
 319 param_range_check(uint16_t size, const struct rte_crypto_param_range *range)
 320 {
 321         unsigned int next_size;
 322
 323         /* Check lower/upper bounds */
 324         if (size < range->min)
 325                 return -1;
 326
 327         if (size > range->max)
 328                 return -1;
 329
 330         /* If range is actually only one value, size is correct */
 331         if (range->increment == 0)
 332                 return 0;
 333
 334         /* Check if value is one of the supported sizes */
 335         for (next_size = range->min; next_size <= range->max;
 336                         next_size += range->increment)
 337                 if (size == next_size)
 338                         return 0;
 339
 340         return -1;
 341 }
 342
 343 const struct rte_cryptodev_asymmetric_xform_capability *
 344 rte_cryptodev_asym_capability_get(uint8_t dev_id,
 345                 const struct rte_cryptodev_asym_capability_idx *idx)
 346 {
 347         const struct rte_cryptodev_capabilities *capability;
 348         struct rte_cryptodev_info dev_info;
 349         unsigned int i = 0;
 350
 351         memset(&dev_info, 0, sizeof(struct rte_cryptodev_info));
 352         rte_cryptodev_info_get(dev_id, &dev_info);
 353
 354         while ((capability = &dev_info.capabilities[i++])->op !=
 355                         RTE_CRYPTO_OP_TYPE_UNDEFINED) {
 356                 if (capability->op != RTE_CRYPTO_OP_TYPE_ASYMMETRIC)
 357                         continue;
 358
 359                 if (capability->asym.xform_capa.xform_type == idx->type)
 360                         return &capability->asym.xform_capa;
 361         }
 362         return NULL;
 363 };
 364
 365 int
 366 rte_cryptodev_sym_capability_check_cipher(
 367                 const struct rte_cryptodev_symmetric_capability *capability,
 368                 uint16_t key_size, uint16_t iv_size)
 369 {
 370         if (param_range_check(key_size, &capability->cipher.key_size) != 0)
 371                 return -1;
 372
 373         if (param_range_check(iv_size, &capability->cipher.iv_size) != 0)
 374                 return -1;
 375
 376         return 0;
 377 }
 378
 379 int
 380 rte_cryptodev_sym_capability_check_auth(
 381                 const struct rte_cryptodev_symmetric_capability *capability,
 382                 uint16_t key_size, uint16_t digest_size, uint16_t iv_size)
 383 {
 384         if (param_range_check(key_size, &capability->auth.key_size) != 0)
 385                 return -1;
 386
 387         if (param_range_check(digest_size, &capability->auth.digest_size) != 0)
 388                 return -1;
 389
 390         if (param_range_check(iv_size, &capability->auth.iv_size) != 0)
 391                 return -1;
 392
 393         return 0;
 394 }
 395
 396 int
 397 rte_cryptodev_sym_capability_check_aead(
 398                 const struct rte_cryptodev_symmetric_capability *capability,
 399                 uint16_t key_size, uint16_t digest_size, uint16_t aad_size,
 400                 uint16_t iv_size)
 401 {
 402         if (param_range_check(key_size, &capability->aead.key_size) != 0)
 403                 return -1;
 404
 405         if (param_range_check(digest_size, &capability->aead.digest_size) != 0)
 406                 return -1;
 407
 408         if (param_range_check(aad_size, &capability->aead.aad_size) != 0)
 409                 return -1;
 410
 411         if (param_range_check(iv_size, &capability->aead.iv_size) != 0)
 412                 return -1;
 413
 414         return 0;
 415 }
 416 int
 417 rte_cryptodev_asym_xform_capability_check_optype(
 418         const struct rte_cryptodev_asymmetric_xform_capability *capability,
 419         enum rte_crypto_asym_op_type op_type)
 420 {
 421         if (capability->op_types & (1 << op_type))
 422                 return 1;
 423
 424         return 0;
 425 }
 426
 427 int
 428 rte_cryptodev_asym_xform_capability_check_modlen(
 429         const struct rte_cryptodev_asymmetric_xform_capability *capability,
 430         uint16_t modlen)
 431 {
 432         /* no need to check for limits, if min or max = 0 */
 433         if (capability->modlen.min != 0) {
 434                 if (modlen < capability->modlen.min)
 435                         return -1;
 436         }
 437
 438         if (capability->modlen.max != 0) {
 439                 if (modlen > capability->modlen.max)
 440                         return -1;
 441         }
 442
 443         /* in any case, check if given modlen is module increment */
 444         if (capability->modlen.increment != 0) {
 445                 if (modlen % (capability->modlen.increment))
 446                         return -1;
 447         }
 448
 449         return 0;
 450 }
 451
 452
 453 const char *
 454 rte_cryptodev_get_feature_name(uint64_t flag)
 455 {
 456         switch (flag) {
 457         case RTE_CRYPTODEV_FF_SYMMETRIC_CRYPTO:
 458                 return "SYMMETRIC_CRYPTO";
 459         case RTE_CRYPTODEV_FF_ASYMMETRIC_CRYPTO:
 460                 return "ASYMMETRIC_CRYPTO";
 461         case RTE_CRYPTODEV_FF_SYM_OPERATION_CHAINING:
 462                 return "SYM_OPERATION_CHAINING";
 463         case RTE_CRYPTODEV_FF_CPU_SSE:
 464                 return "CPU_SSE";
 465         case RTE_CRYPTODEV_FF_CPU_AVX:
 466                 return "CPU_AVX";
 467         case RTE_CRYPTODEV_FF_CPU_AVX2:
 468                 return "CPU_AVX2";
 469         case RTE_CRYPTODEV_FF_CPU_AVX512:
 470                 return "CPU_AVX512";
 471         case RTE_CRYPTODEV_FF_CPU_AESNI:
 472                 return "CPU_AESNI";
 473         case RTE_CRYPTODEV_FF_HW_ACCELERATED:
 474                 return "HW_ACCELERATED";
 475         case RTE_CRYPTODEV_FF_IN_PLACE_SGL:
 476                 return "IN_PLACE_SGL";
 477         case RTE_CRYPTODEV_FF_OOP_SGL_IN_SGL_OUT:
 478                 return "OOP_SGL_IN_SGL_OUT";
 479         case RTE_CRYPTODEV_FF_OOP_SGL_IN_LB_OUT:
 480                 return "OOP_SGL_IN_LB_OUT";
 481         case RTE_CRYPTODEV_FF_OOP_LB_IN_SGL_OUT:
 482                 return "OOP_LB_IN_SGL_OUT";
 483         case RTE_CRYPTODEV_FF_OOP_LB_IN_LB_OUT:
 484                 return "OOP_LB_IN_LB_OUT";
 485         case RTE_CRYPTODEV_FF_CPU_NEON:
 486                 return "CPU_NEON";
 487         case RTE_CRYPTODEV_FF_CPU_ARM_CE:
 488                 return "CPU_ARM_CE";
 489         case RTE_CRYPTODEV_FF_SECURITY:
 490                 return "SECURITY_PROTOCOL";
 491         case RTE_CRYPTODEV_FF_RSA_PRIV_OP_KEY_EXP:
 492                 return "RSA_PRIV_OP_KEY_EXP";
 493         case RTE_CRYPTODEV_FF_RSA_PRIV_OP_KEY_QT:
 494                 return "RSA_PRIV_OP_KEY_QT";
 495         case RTE_CRYPTODEV_FF_DIGEST_ENCRYPTED:
 496                 return "DIGEST_ENCRYPTED";
 497         case RTE_CRYPTODEV_FF_SYM_CPU_CRYPTO:
 498                 return "SYM_CPU_CRYPTO";
 499         case RTE_CRYPTODEV_FF_ASYM_SESSIONLESS:
 500                 return "ASYM_SESSIONLESS";
 501         case RTE_CRYPTODEV_FF_SYM_SESSIONLESS:
 502                 return "SYM_SESSIONLESS";
 503         default:
 504                 return NULL;
 505         }
 506 }
 507
 508 struct rte_cryptodev *
 509 rte_cryptodev_pmd_get_dev(uint8_t dev_id)
 510 {
 511         return &cryptodev_globals.devs[dev_id];
 512 }
 513
 514 struct rte_cryptodev *
 515 rte_cryptodev_pmd_get_named_dev(const char *name)
 516 {
 517         struct rte_cryptodev *dev;
 518         unsigned int i;
 519
 520         if (name == NULL)
 521                 return NULL;
 522
 523         for (i = 0; i < RTE_CRYPTO_MAX_DEVS; i++) {
 524                 dev = &cryptodev_globals.devs[i];
 525
 526                 if ((dev->attached == RTE_CRYPTODEV_ATTACHED) &&
 527                                 (strcmp(dev->data->name, name) == 0))
 528                         return dev;
 529         }
 530
 531         return NULL;
 532 }
 533
 534 static inline uint8_t
 535 rte_cryptodev_is_valid_device_data(uint8_t dev_id)
 536 {
 537         if (dev_id >= RTE_CRYPTO_MAX_DEVS ||
 538                         rte_crypto_devices[dev_id].data == NULL)
 539                 return 0;
 540
 541         return 1;
 542 }
 543
 544 unsigned int
 545 rte_cryptodev_pmd_is_valid_dev(uint8_t dev_id)
 546 {
 547         struct rte_cryptodev *dev = NULL;
 548
 549         if (!rte_cryptodev_is_valid_device_data(dev_id))
 550                 return 0;
 551
 552         dev = rte_cryptodev_pmd_get_dev(dev_id);
 553         if (dev->attached != RTE_CRYPTODEV_ATTACHED)
 554                 return 0;
 555         else
 556                 return 1;
 557 }
 558
 559
 560 int
 561 rte_cryptodev_get_dev_id(const char *name)
 562 {
 563         unsigned i;
 564
 565         if (name == NULL)
 566                 return -1;
 567
 568         for (i = 0; i < RTE_CRYPTO_MAX_DEVS; i++) {
 569                 if (!rte_cryptodev_is_valid_device_data(i))
 570                         continue;
 571                 if ((strcmp(cryptodev_globals.devs[i].data->name, name)
 572                                 == 0) &&
 573                                 (cryptodev_globals.devs[i].attached ==
 574                                                 RTE_CRYPTODEV_ATTACHED))
 575                         return i;
 576         }
 577
 578         return -1;
 579 }
 580
 581 uint8_t
 582 rte_cryptodev_count(void)
 583 {
 584         return cryptodev_globals.nb_devs;
 585 }
 586
 587 uint8_t
 588 rte_cryptodev_device_count_by_driver(uint8_t driver_id)
 589 {
 590         uint8_t i, dev_count = 0;
 591
 592         for (i = 0; i < RTE_CRYPTO_MAX_DEVS; i++)
 593                 if (cryptodev_globals.devs[i].driver_id == driver_id &&
 594                         cryptodev_globals.devs[i].attached ==
 595                                         RTE_CRYPTODEV_ATTACHED)
 596                         dev_count++;
 597
 598         return dev_count;
 599 }
 600
 601 uint8_t
 602 rte_cryptodev_devices_get(const char *driver_name, uint8_t *devices,
 603         uint8_t nb_devices)
 604 {
 605         uint8_t i, count = 0;
 606         struct rte_cryptodev *devs = cryptodev_globals.devs;
 607
 608         for (i = 0; i < RTE_CRYPTO_MAX_DEVS && count < nb_devices; i++) {
 609                 if (!rte_cryptodev_is_valid_device_data(i))
 610                         continue;
 611
 612                 if (devs[i].attached == RTE_CRYPTODEV_ATTACHED) {
 613                         int cmp;
 614
 615                         cmp = strncmp(devs[i].device->driver->name,
 616                                         driver_name,
 617                                         strlen(driver_name) + 1);
 618
 619                         if (cmp == 0)
 620                                 devices[count++] = devs[i].data->dev_id;
 621                 }
 622         }
 623
 624         return count;
 625 }
 626
 627 void *
 628 rte_cryptodev_get_sec_ctx(uint8_t dev_id)
 629 {
 630         if (dev_id < RTE_CRYPTO_MAX_DEVS &&
 631                         (rte_crypto_devices[dev_id].feature_flags &
 632                         RTE_CRYPTODEV_FF_SECURITY))
 633                 return rte_crypto_devices[dev_id].security_ctx;
 634
 635         return NULL;
 636 }
 637
 638 int
 639 rte_cryptodev_socket_id(uint8_t dev_id)
 640 {
 641         struct rte_cryptodev *dev;
 642
 643         if (!rte_cryptodev_pmd_is_valid_dev(dev_id))
 644                 return -1;
 645
 646         dev = rte_cryptodev_pmd_get_dev(dev_id);
 647
 648         return dev->data->socket_id;
 649 }
 650
 651 static inline int
 652 rte_cryptodev_data_alloc(uint8_t dev_id, struct rte_cryptodev_data **data,
 653                 int socket_id)
 654 {
 655         char mz_name[RTE_MEMZONE_NAMESIZE];
 656         const struct rte_memzone *mz;
 657         int n;
 658
 659         /* generate memzone name */
 660         n = snprintf(mz_name, sizeof(mz_name), "rte_cryptodev_data_%u", dev_id);
 661         if (n >= (int)sizeof(mz_name))
 662                 return -EINVAL;
 663
 664         if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
 665                 mz = rte_memzone_reserve(mz_name,
 666                                 sizeof(struct rte_cryptodev_data),
 667                                 socket_id, 0);
 668         } else
 669                 mz = rte_memzone_lookup(mz_name);
 670
 671         if (mz == NULL)
 672                 return -ENOMEM;
 673
 674         *data = mz->addr;
 675         if (rte_eal_process_type() == RTE_PROC_PRIMARY)
 676                 memset(*data, 0, sizeof(struct rte_cryptodev_data));
 677
 678         return 0;
 679 }
 680
 681 static inline int
 682 rte_cryptodev_data_free(uint8_t dev_id, struct rte_cryptodev_data **data)
 683 {
 684         char mz_name[RTE_MEMZONE_NAMESIZE];
 685         const struct rte_memzone *mz;
 686         int n;
 687
 688         /* generate memzone name */
 689         n = snprintf(mz_name, sizeof(mz_name), "rte_cryptodev_data_%u", dev_id);
 690         if (n >= (int)sizeof(mz_name))
 691                 return -EINVAL;
 692
 693         mz = rte_memzone_lookup(mz_name);
 694         if (mz == NULL)
 695                 return -ENOMEM;
 696
 697         RTE_ASSERT(*data == mz->addr);
 698         *data = NULL;
 699
 700         if (rte_eal_process_type() == RTE_PROC_PRIMARY)
 701                 return rte_memzone_free(mz);
 702
 703         return 0;
 704 }
 705
 706 static uint8_t
 707 rte_cryptodev_find_free_device_index(void)
 708 {
 709         uint8_t dev_id;
 710
 711         for (dev_id = 0; dev_id < RTE_CRYPTO_MAX_DEVS; dev_id++) {
 712                 if (rte_crypto_devices[dev_id].attached ==
 713                                 RTE_CRYPTODEV_DETACHED)
 714                         return dev_id;
 715         }
 716         return RTE_CRYPTO_MAX_DEVS;
 717 }
 718
 719 struct rte_cryptodev *
 720 rte_cryptodev_pmd_allocate(const char *name, int socket_id)
 721 {
 722         struct rte_cryptodev *cryptodev;
 723         uint8_t dev_id;
 724
 725         if (rte_cryptodev_pmd_get_named_dev(name) != NULL) {
 726                 CDEV_LOG_ERR("Crypto device with name %s already "
 727                                 "allocated!", name);
 728                 return NULL;
 729         }
 730
 731         dev_id = rte_cryptodev_find_free_device_index();
 732         if (dev_id == RTE_CRYPTO_MAX_DEVS) {
 733                 CDEV_LOG_ERR("Reached maximum number of crypto devices");
 734                 return NULL;
 735         }
 736
 737         cryptodev = rte_cryptodev_pmd_get_dev(dev_id);
 738
 739         if (cryptodev->data == NULL) {
 740                 struct rte_cryptodev_data **cryptodev_data =
 741                                 &cryptodev_globals.data[dev_id];
 742
 743                 int retval = rte_cryptodev_data_alloc(dev_id, cryptodev_data,
 744                                 socket_id);
 745
 746                 if (retval < 0 || *cryptodev_data == NULL)
 747                         return NULL;
 748
 749                 cryptodev->data = *cryptodev_data;
 750
 751                 if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
 752                         strlcpy(cryptodev->data->name, name,
 753                                 RTE_CRYPTODEV_NAME_MAX_LEN);
 754
 755                         cryptodev->data->dev_id = dev_id;
 756                         cryptodev->data->socket_id = socket_id;
 757                         cryptodev->data->dev_started = 0;
 758                 }
 759
 760                 /* init user callbacks */
 761                 TAILQ_INIT(&(cryptodev->link_intr_cbs));
 762
 763                 cryptodev->attached = RTE_CRYPTODEV_ATTACHED;
 764
 765                 cryptodev_globals.nb_devs++;
 766         }
 767
 768         return cryptodev;
 769 }
 770
 771 int
 772 rte_cryptodev_pmd_release_device(struct rte_cryptodev *cryptodev)
 773 {
 774         int ret;
 775         uint8_t dev_id;
 776
 777         if (cryptodev == NULL)
 778                 return -EINVAL;
 779
 780         dev_id = cryptodev->data->dev_id;
 781
 782         /* Close device only if device operations have been set */
 783         if (cryptodev->dev_ops) {
 784                 ret = rte_cryptodev_close(dev_id);
 785                 if (ret < 0)
 786                         return ret;
 787         }
 788
 789         ret = rte_cryptodev_data_free(dev_id, &cryptodev_globals.data[dev_id]);
 790         if (ret < 0)
 791                 return ret;
 792
 793         cryptodev->attached = RTE_CRYPTODEV_DETACHED;
 794         cryptodev_globals.nb_devs--;
 795         return 0;
 796 }
 797
 798 uint16_t
 799 rte_cryptodev_queue_pair_count(uint8_t dev_id)
 800 {
 801         struct rte_cryptodev *dev;
 802
 803         if (!rte_cryptodev_is_valid_device_data(dev_id)) {
 804                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
 805                 return 0;
 806         }
 807
 808         dev = &rte_crypto_devices[dev_id];
 809         return dev->data->nb_queue_pairs;
 810 }
 811
 812 static int
 813 rte_cryptodev_queue_pairs_config(struct rte_cryptodev *dev, uint16_t nb_qpairs,
 814                 int socket_id)
 815 {
 816         struct rte_cryptodev_info dev_info;
 817         void **qp;
 818         unsigned i;
 819
 820         if ((dev == NULL) || (nb_qpairs < 1)) {
 821                 CDEV_LOG_ERR("invalid param: dev %p, nb_queues %u",
 822                                                         dev, nb_qpairs);
 823                 return -EINVAL;
 824         }
 825
 826         CDEV_LOG_DEBUG("Setup %d queues pairs on device %u",
 827                         nb_qpairs, dev->data->dev_id);
 828
 829         memset(&dev_info, 0, sizeof(struct rte_cryptodev_info));
 830
 831         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_infos_get, -ENOTSUP);
 832         (*dev->dev_ops->dev_infos_get)(dev, &dev_info);
 833
 834         if (nb_qpairs > (dev_info.max_nb_queue_pairs)) {
 835                 CDEV_LOG_ERR("Invalid num queue_pairs (%u) for dev %u",
 836                                 nb_qpairs, dev->data->dev_id);
 837             return -EINVAL;
 838         }
 839
 840         if (dev->data->queue_pairs == NULL) { /* first time configuration */
 841                 dev->data->queue_pairs = rte_zmalloc_socket(
 842                                 "cryptodev->queue_pairs",
 843                                 sizeof(dev->data->queue_pairs[0]) * nb_qpairs,
 844                                 RTE_CACHE_LINE_SIZE, socket_id);
 845
 846                 if (dev->data->queue_pairs == NULL) {
 847                         dev->data->nb_queue_pairs = 0;
 848                         CDEV_LOG_ERR("failed to get memory for qp meta data, "
 849                                                         "nb_queues %u",
 850                                                         nb_qpairs);
 851                         return -(ENOMEM);
 852                 }
 853         } else { /* re-configure */
 854                 int ret;
 855                 uint16_t old_nb_queues = dev->data->nb_queue_pairs;
 856
 857                 qp = dev->data->queue_pairs;
 858
 859                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->queue_pair_release,
 860                                 -ENOTSUP);
 861
 862                 for (i = nb_qpairs; i < old_nb_queues; i++) {
 863                         ret = (*dev->dev_ops->queue_pair_release)(dev, i);
 864                         if (ret < 0)
 865                                 return ret;
 866                 }
 867
 868                 qp = rte_realloc(qp, sizeof(qp[0]) * nb_qpairs,
 869                                 RTE_CACHE_LINE_SIZE);
 870                 if (qp == NULL) {
 871                         CDEV_LOG_ERR("failed to realloc qp meta data,"
 872                                                 " nb_queues %u", nb_qpairs);
 873                         return -(ENOMEM);
 874                 }
 875
 876                 if (nb_qpairs > old_nb_queues) {
 877                         uint16_t new_qs = nb_qpairs - old_nb_queues;
 878
 879                         memset(qp + old_nb_queues, 0,
 880                                 sizeof(qp[0]) * new_qs);
 881                 }
 882
 883                 dev->data->queue_pairs = qp;
 884
 885         }
 886         dev->data->nb_queue_pairs = nb_qpairs;
 887         return 0;
 888 }
 889
 890 int
 891 rte_cryptodev_configure(uint8_t dev_id, struct rte_cryptodev_config *config)
 892 {
 893         struct rte_cryptodev *dev;
 894         int diag;
 895
 896         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
 897                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
 898                 return -EINVAL;
 899         }
 900
 901         dev = &rte_crypto_devices[dev_id];
 902
 903         if (dev->data->dev_started) {
 904                 CDEV_LOG_ERR(
 905                     "device %d must be stopped to allow configuration", dev_id);
 906                 return -EBUSY;
 907         }
 908
 909         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_configure, -ENOTSUP);
 910
 911         /* Setup new number of queue pairs and reconfigure device. */
 912         diag = rte_cryptodev_queue_pairs_config(dev, config->nb_queue_pairs,
 913                         config->socket_id);
 914         if (diag != 0) {
 915                 CDEV_LOG_ERR("dev%d rte_crypto_dev_queue_pairs_config = %d",
 916                                 dev_id, diag);
 917                 return diag;
 918         }
 919
 920         rte_cryptodev_trace_configure(dev_id, config);
 921         return (*dev->dev_ops->dev_configure)(dev, config);
 922 }
 923
 924
 925 int
 926 rte_cryptodev_start(uint8_t dev_id)
 927 {
 928         struct rte_cryptodev *dev;
 929         int diag;
 930
 931         CDEV_LOG_DEBUG("Start dev_id=%" PRIu8, dev_id);
 932
 933         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
 934                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
 935                 return -EINVAL;
 936         }
 937
 938         dev = &rte_crypto_devices[dev_id];
 939
 940         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_start, -ENOTSUP);
 941
 942         if (dev->data->dev_started != 0) {
 943                 CDEV_LOG_ERR("Device with dev_id=%" PRIu8 " already started",
 944                         dev_id);
 945                 return 0;
 946         }
 947
 948         diag = (*dev->dev_ops->dev_start)(dev);
 949         rte_cryptodev_trace_start(dev_id, diag);
 950         if (diag == 0)
 951                 dev->data->dev_started = 1;
 952         else
 953                 return diag;
 954
 955         return 0;
 956 }
 957
 958 void
 959 rte_cryptodev_stop(uint8_t dev_id)
 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;
 966         }
 967
 968         dev = &rte_crypto_devices[dev_id];
 969
 970         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->dev_stop);
 971
 972         if (dev->data->dev_started == 0) {
 973                 CDEV_LOG_ERR("Device with dev_id=%" PRIu8 " already stopped",
 974                         dev_id);
 975                 return;
 976         }
 977
 978         (*dev->dev_ops->dev_stop)(dev);
 979         rte_cryptodev_trace_stop(dev_id);
 980         dev->data->dev_started = 0;
 981 }
 982
 983 int
 984 rte_cryptodev_close(uint8_t dev_id)
 985 {
 986         struct rte_cryptodev *dev;
 987         int retval;
 988
 989         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
 990                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
 991                 return -1;
 992         }
 993
 994         dev = &rte_crypto_devices[dev_id];
 995
 996         /* Device must be stopped before it can be closed */
 997         if (dev->data->dev_started == 1) {
 998                 CDEV_LOG_ERR("Device %u must be stopped before closing",
 999                                 dev_id);
1000                 return -EBUSY;
1001         }
1002
1003         /* We can't close the device if there are outstanding sessions in use */
1004         if (dev->data->session_pool != NULL) {
1005                 if (!rte_mempool_full(dev->data->session_pool)) {
1006                         CDEV_LOG_ERR("dev_id=%u close failed, session mempool "
1007                                         "has sessions still in use, free "
1008                                         "all sessions before calling close",
1009                                         (unsigned)dev_id);
1010                         return -EBUSY;
1011                 }
1012         }
1013
1014         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_close, -ENOTSUP);
1015         retval = (*dev->dev_ops->dev_close)(dev);
1016         rte_cryptodev_trace_close(dev_id, retval);
1017
1018         if (retval < 0)
1019                 return retval;
1020
1021         return 0;
1022 }
1023
1024 int
1025 rte_cryptodev_queue_pair_setup(uint8_t dev_id, uint16_t queue_pair_id,
1026                 const struct rte_cryptodev_qp_conf *qp_conf, int socket_id)
1027
1028 {
1029         struct rte_cryptodev *dev;
1030
1031         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
1032                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
1033                 return -EINVAL;
1034         }
1035
1036         dev = &rte_crypto_devices[dev_id];
1037         if (queue_pair_id >= dev->data->nb_queue_pairs) {
1038                 CDEV_LOG_ERR("Invalid queue_pair_id=%d", queue_pair_id);
1039                 return -EINVAL;
1040         }
1041
1042         if (!qp_conf) {
1043                 CDEV_LOG_ERR("qp_conf cannot be NULL\n");
1044                 return -EINVAL;
1045         }
1046
1047         if ((qp_conf->mp_session && !qp_conf->mp_session_private) ||
1048                         (!qp_conf->mp_session && qp_conf->mp_session_private)) {
1049                 CDEV_LOG_ERR("Invalid mempools\n");
1050                 return -EINVAL;
1051         }
1052
1053         if (qp_conf->mp_session) {
1054                 struct rte_cryptodev_sym_session_pool_private_data *pool_priv;
1055                 uint32_t obj_size = qp_conf->mp_session->elt_size;
1056                 uint32_t obj_priv_size = qp_conf->mp_session_private->elt_size;
1057                 struct rte_cryptodev_sym_session s = {0};
1058
1059                 pool_priv = rte_mempool_get_priv(qp_conf->mp_session);
1060                 if (!pool_priv || qp_conf->mp_session->private_data_size <
1061                                 sizeof(*pool_priv)) {
1062                         CDEV_LOG_ERR("Invalid mempool\n");
1063                         return -EINVAL;
1064                 }
1065
1066                 s.nb_drivers = pool_priv->nb_drivers;
1067                 s.user_data_sz = pool_priv->user_data_sz;
1068
1069                 if ((rte_cryptodev_sym_get_existing_header_session_size(&s) >
1070                         obj_size) || (s.nb_drivers <= dev->driver_id) ||
1071                         rte_cryptodev_sym_get_private_session_size(dev_id) >
1072                                 obj_priv_size) {
1073                         CDEV_LOG_ERR("Invalid mempool\n");
1074                         return -EINVAL;
1075                 }
1076         }
1077
1078         if (dev->data->dev_started) {
1079                 CDEV_LOG_ERR(
1080                     "device %d must be stopped to allow configuration", dev_id);
1081                 return -EBUSY;
1082         }
1083
1084         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->queue_pair_setup, -ENOTSUP);
1085
1086         rte_cryptodev_trace_queue_pair_setup(dev_id, queue_pair_id, qp_conf);
1087         return (*dev->dev_ops->queue_pair_setup)(dev, queue_pair_id, qp_conf,
1088                         socket_id);
1089 }
1090
1091
1092 int
1093 rte_cryptodev_stats_get(uint8_t dev_id, struct rte_cryptodev_stats *stats)
1094 {
1095         struct rte_cryptodev *dev;
1096
1097         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
1098                 CDEV_LOG_ERR("Invalid dev_id=%d", dev_id);
1099                 return -ENODEV;
1100         }
1101
1102         if (stats == NULL) {
1103                 CDEV_LOG_ERR("Invalid stats ptr");
1104                 return -EINVAL;
1105         }
1106
1107         dev = &rte_crypto_devices[dev_id];
1108         memset(stats, 0, sizeof(*stats));
1109
1110         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->stats_get, -ENOTSUP);
1111         (*dev->dev_ops->stats_get)(dev, stats);
1112         return 0;
1113 }
1114
1115 void
1116 rte_cryptodev_stats_reset(uint8_t dev_id)
1117 {
1118         struct rte_cryptodev *dev;
1119
1120         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
1121                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
1122                 return;
1123         }
1124
1125         dev = &rte_crypto_devices[dev_id];
1126
1127         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->stats_reset);
1128         (*dev->dev_ops->stats_reset)(dev);
1129 }
1130
1131
1132 void
1133 rte_cryptodev_info_get(uint8_t dev_id, struct rte_cryptodev_info *dev_info)
1134 {
1135         struct rte_cryptodev *dev;
1136
1137         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
1138                 CDEV_LOG_ERR("Invalid dev_id=%d", dev_id);
1139                 return;
1140         }
1141
1142         dev = &rte_crypto_devices[dev_id];
1143
1144         memset(dev_info, 0, sizeof(struct rte_cryptodev_info));
1145
1146         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->dev_infos_get);
1147         (*dev->dev_ops->dev_infos_get)(dev, dev_info);
1148
1149         dev_info->driver_name = dev->device->driver->name;
1150         dev_info->device = dev->device;
1151 }
1152
1153
1154 int
1155 rte_cryptodev_callback_register(uint8_t dev_id,
1156                         enum rte_cryptodev_event_type event,
1157                         rte_cryptodev_cb_fn cb_fn, void *cb_arg)
1158 {
1159         struct rte_cryptodev *dev;
1160         struct rte_cryptodev_callback *user_cb;
1161
1162         if (!cb_fn)
1163                 return -EINVAL;
1164
1165         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
1166                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
1167                 return -EINVAL;
1168         }
1169
1170         dev = &rte_crypto_devices[dev_id];
1171         rte_spinlock_lock(&rte_cryptodev_cb_lock);
1172
1173         TAILQ_FOREACH(user_cb, &(dev->link_intr_cbs), next) {
1174                 if (user_cb->cb_fn == cb_fn &&
1175                         user_cb->cb_arg == cb_arg &&
1176                         user_cb->event == event) {
1177                         break;
1178                 }
1179         }
1180
1181         /* create a new callback. */
1182         if (user_cb == NULL) {
1183                 user_cb = rte_zmalloc("INTR_USER_CALLBACK",
1184                                 sizeof(struct rte_cryptodev_callback), 0);
1185                 if (user_cb != NULL) {
1186                         user_cb->cb_fn = cb_fn;
1187                         user_cb->cb_arg = cb_arg;
1188                         user_cb->event = event;
1189                         TAILQ_INSERT_TAIL(&(dev->link_intr_cbs), user_cb, next);
1190                 }
1191         }
1192
1193         rte_spinlock_unlock(&rte_cryptodev_cb_lock);
1194         return (user_cb == NULL) ? -ENOMEM : 0;
1195 }
1196
1197 int
1198 rte_cryptodev_callback_unregister(uint8_t dev_id,
1199                         enum rte_cryptodev_event_type event,
1200                         rte_cryptodev_cb_fn cb_fn, void *cb_arg)
1201 {
1202         int ret;
1203         struct rte_cryptodev *dev;
1204         struct rte_cryptodev_callback *cb, *next;
1205
1206         if (!cb_fn)
1207                 return -EINVAL;
1208
1209         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
1210                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
1211                 return -EINVAL;
1212         }
1213
1214         dev = &rte_crypto_devices[dev_id];
1215         rte_spinlock_lock(&rte_cryptodev_cb_lock);
1216
1217         ret = 0;
1218         for (cb = TAILQ_FIRST(&dev->link_intr_cbs); cb != NULL; cb = next) {
1219
1220                 next = TAILQ_NEXT(cb, next);
1221
1222                 if (cb->cb_fn != cb_fn || cb->event != event ||
1223                                 (cb->cb_arg != (void *)-1 &&
1224                                 cb->cb_arg != cb_arg))
1225                         continue;
1226
1227                 /*
1228                  * if this callback is not executing right now,
1229                  * then remove it.
1230                  */
1231                 if (cb->active == 0) {
1232                         TAILQ_REMOVE(&(dev->link_intr_cbs), cb, next);
1233                         rte_free(cb);
1234                 } else {
1235                         ret = -EAGAIN;
1236                 }
1237         }
1238
1239         rte_spinlock_unlock(&rte_cryptodev_cb_lock);
1240         return ret;
1241 }
1242
1243 void
1244 rte_cryptodev_pmd_callback_process(struct rte_cryptodev *dev,
1245         enum rte_cryptodev_event_type event)
1246 {
1247         struct rte_cryptodev_callback *cb_lst;
1248         struct rte_cryptodev_callback dev_cb;
1249
1250         rte_spinlock_lock(&rte_cryptodev_cb_lock);
1251         TAILQ_FOREACH(cb_lst, &(dev->link_intr_cbs), next) {
1252                 if (cb_lst->cb_fn == NULL || cb_lst->event != event)
1253                         continue;
1254                 dev_cb = *cb_lst;
1255                 cb_lst->active = 1;
1256                 rte_spinlock_unlock(&rte_cryptodev_cb_lock);
1257                 dev_cb.cb_fn(dev->data->dev_id, dev_cb.event,
1258                                                 dev_cb.cb_arg);
1259                 rte_spinlock_lock(&rte_cryptodev_cb_lock);
1260                 cb_lst->active = 0;
1261         }
1262         rte_spinlock_unlock(&rte_cryptodev_cb_lock);
1263 }
1264
1265
1266 int
1267 rte_cryptodev_sym_session_init(uint8_t dev_id,
1268                 struct rte_cryptodev_sym_session *sess,
1269                 struct rte_crypto_sym_xform *xforms,
1270                 struct rte_mempool *mp)
1271 {
1272         struct rte_cryptodev *dev;
1273         uint32_t sess_priv_sz = rte_cryptodev_sym_get_private_session_size(
1274                         dev_id);
1275         uint8_t index;
1276         int ret;
1277
1278         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
1279                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
1280                 return -EINVAL;
1281         }
1282
1283         dev = rte_cryptodev_pmd_get_dev(dev_id);
1284
1285         if (sess == NULL || xforms == NULL || dev == NULL)
1286                 return -EINVAL;
1287
1288         if (mp->elt_size < sess_priv_sz)
1289                 return -EINVAL;
1290
1291         index = dev->driver_id;
1292         if (index >= sess->nb_drivers)
1293                 return -EINVAL;
1294
1295         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->sym_session_configure, -ENOTSUP);
1296
1297         if (sess->sess_data[index].refcnt == 0) {
1298                 ret = dev->dev_ops->sym_session_configure(dev, xforms,
1299                                                         sess, mp);
1300                 if (ret < 0) {
1301                         CDEV_LOG_ERR(
1302                                 "dev_id %d failed to configure session details",
1303                                 dev_id);
1304                         return ret;
1305                 }
1306         }
1307
1308         rte_cryptodev_trace_sym_session_init(dev_id, sess, xforms, mp);
1309         sess->sess_data[index].refcnt++;
1310         return 0;
1311 }
1312
1313 int
1314 rte_cryptodev_asym_session_init(uint8_t dev_id,
1315                 struct rte_cryptodev_asym_session *sess,
1316                 struct rte_crypto_asym_xform *xforms,
1317                 struct rte_mempool *mp)
1318 {
1319         struct rte_cryptodev *dev;
1320         uint8_t index;
1321         int ret;
1322
1323         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
1324                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
1325                 return -EINVAL;
1326         }
1327
1328         dev = rte_cryptodev_pmd_get_dev(dev_id);
1329
1330         if (sess == NULL || xforms == NULL || dev == NULL)
1331                 return -EINVAL;
1332
1333         index = dev->driver_id;
1334
1335         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->asym_session_configure,
1336                                 -ENOTSUP);
1337
1338         if (sess->sess_private_data[index] == NULL) {
1339                 ret = dev->dev_ops->asym_session_configure(dev,
1340                                                         xforms,
1341                                                         sess, mp);
1342                 if (ret < 0) {
1343                         CDEV_LOG_ERR(
1344                                 "dev_id %d failed to configure session details",
1345                                 dev_id);
1346                         return ret;
1347                 }
1348         }
1349
1350         rte_cryptodev_trace_asym_session_init(dev_id, sess, xforms, mp);
1351         return 0;
1352 }
1353
1354 struct rte_mempool *
1355 rte_cryptodev_sym_session_pool_create(const char *name, uint32_t nb_elts,
1356         uint32_t elt_size, uint32_t cache_size, uint16_t user_data_size,
1357         int socket_id)
1358 {
1359         struct rte_mempool *mp;
1360         struct rte_cryptodev_sym_session_pool_private_data *pool_priv;
1361         uint32_t obj_sz;
1362
1363         obj_sz = rte_cryptodev_sym_get_header_session_size() + user_data_size;
1364         if (obj_sz > elt_size)
1365                 CDEV_LOG_INFO("elt_size %u is expanded to %u\n", elt_size,
1366                                 obj_sz);
1367         else
1368                 obj_sz = elt_size;
1369
1370         mp = rte_mempool_create(name, nb_elts, obj_sz, cache_size,
1371                         (uint32_t)(sizeof(*pool_priv)),
1372                         NULL, NULL, NULL, NULL,
1373                         socket_id, 0);
1374         if (mp == NULL) {
1375                 CDEV_LOG_ERR("%s(name=%s) failed, rte_errno=%d\n",
1376                         __func__, name, rte_errno);
1377                 return NULL;
1378         }
1379
1380         pool_priv = rte_mempool_get_priv(mp);
1381         if (!pool_priv) {
1382                 CDEV_LOG_ERR("%s(name=%s) failed to get private data\n",
1383                         __func__, name);
1384                 rte_mempool_free(mp);
1385                 return NULL;
1386         }
1387
1388         pool_priv->nb_drivers = nb_drivers;
1389         pool_priv->user_data_sz = user_data_size;
1390
1391         rte_cryptodev_trace_sym_session_pool_create(name, nb_elts,
1392                 elt_size, cache_size, user_data_size, mp);
1393         return mp;
1394 }
1395
1396 static unsigned int
1397 rte_cryptodev_sym_session_data_size(struct rte_cryptodev_sym_session *sess)
1398 {
1399         return (sizeof(sess->sess_data[0]) * sess->nb_drivers) +
1400                         sess->user_data_sz;
1401 }
1402
1403 struct rte_cryptodev_sym_session *
1404 rte_cryptodev_sym_session_create(struct rte_mempool *mp)
1405 {
1406         struct rte_cryptodev_sym_session *sess;
1407         struct rte_cryptodev_sym_session_pool_private_data *pool_priv;
1408
1409         if (!mp) {
1410                 CDEV_LOG_ERR("Invalid mempool\n");
1411                 return NULL;
1412         }
1413
1414         pool_priv = rte_mempool_get_priv(mp);
1415
1416         if (!pool_priv || mp->private_data_size < sizeof(*pool_priv)) {
1417                 CDEV_LOG_ERR("Invalid mempool\n");
1418                 return NULL;
1419         }
1420
1421         /* Allocate a session structure from the session pool */
1422         if (rte_mempool_get(mp, (void **)&sess)) {
1423                 CDEV_LOG_ERR("couldn't get object from session mempool");
1424                 return NULL;
1425         }
1426
1427         sess->nb_drivers = pool_priv->nb_drivers;
1428         sess->user_data_sz = pool_priv->user_data_sz;
1429         sess->opaque_data = 0;
1430
1431         /* Clear device session pointer.
1432          * Include the flag indicating presence of user data
1433          */
1434         memset(sess->sess_data, 0,
1435                         rte_cryptodev_sym_session_data_size(sess));
1436
1437         rte_cryptodev_trace_sym_session_create(mp, sess);
1438         return sess;
1439 }
1440
1441 struct rte_cryptodev_asym_session *
1442 rte_cryptodev_asym_session_create(struct rte_mempool *mp)
1443 {
1444         struct rte_cryptodev_asym_session *sess;
1445
1446         /* Allocate a session structure from the session pool */
1447         if (rte_mempool_get(mp, (void **)&sess)) {
1448                 CDEV_LOG_ERR("couldn't get object from session mempool");
1449                 return NULL;
1450         }
1451
1452         /* Clear device session pointer.
1453          * Include the flag indicating presence of private data
1454          */
1455         memset(sess, 0, (sizeof(void *) * nb_drivers) + sizeof(uint8_t));
1456
1457         rte_cryptodev_trace_asym_session_create(mp, sess);
1458         return sess;
1459 }
1460
1461 int
1462 rte_cryptodev_sym_session_clear(uint8_t dev_id,
1463                 struct rte_cryptodev_sym_session *sess)
1464 {
1465         struct rte_cryptodev *dev;
1466         uint8_t driver_id;
1467
1468         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
1469                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
1470                 return -EINVAL;
1471         }
1472
1473         dev = rte_cryptodev_pmd_get_dev(dev_id);
1474
1475         if (dev == NULL || sess == NULL)
1476                 return -EINVAL;
1477
1478         driver_id = dev->driver_id;
1479         if (sess->sess_data[driver_id].refcnt == 0)
1480                 return 0;
1481         if (--sess->sess_data[driver_id].refcnt != 0)
1482                 return -EBUSY;
1483
1484         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->sym_session_clear, -ENOTSUP);
1485
1486         dev->dev_ops->sym_session_clear(dev, sess);
1487
1488         rte_cryptodev_trace_sym_session_clear(dev_id, sess);
1489         return 0;
1490 }
1491
1492 int
1493 rte_cryptodev_asym_session_clear(uint8_t dev_id,
1494                 struct rte_cryptodev_asym_session *sess)
1495 {
1496         struct rte_cryptodev *dev;
1497
1498         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
1499                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
1500                 return -EINVAL;
1501         }
1502
1503         dev = rte_cryptodev_pmd_get_dev(dev_id);
1504
1505         if (dev == NULL || sess == NULL)
1506                 return -EINVAL;
1507
1508         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->asym_session_clear, -ENOTSUP);
1509
1510         dev->dev_ops->asym_session_clear(dev, sess);
1511
1512         rte_cryptodev_trace_sym_session_clear(dev_id, sess);
1513         return 0;
1514 }
1515
1516 int
1517 rte_cryptodev_sym_session_free(struct rte_cryptodev_sym_session *sess)
1518 {
1519         uint8_t i;
1520         struct rte_mempool *sess_mp;
1521
1522         if (sess == NULL)
1523                 return -EINVAL;
1524
1525         /* Check that all device private data has been freed */
1526         for (i = 0; i < sess->nb_drivers; i++) {
1527                 if (sess->sess_data[i].refcnt != 0)
1528                         return -EBUSY;
1529         }
1530
1531         /* Return session to mempool */
1532         sess_mp = rte_mempool_from_obj(sess);
1533         rte_mempool_put(sess_mp, sess);
1534
1535         rte_cryptodev_trace_sym_session_free(sess);
1536         return 0;
1537 }
1538
1539 int
1540 rte_cryptodev_asym_session_free(struct rte_cryptodev_asym_session *sess)
1541 {
1542         uint8_t i;
1543         void *sess_priv;
1544         struct rte_mempool *sess_mp;
1545
1546         if (sess == NULL)
1547                 return -EINVAL;
1548
1549         /* Check that all device private data has been freed */
1550         for (i = 0; i < nb_drivers; i++) {
1551                 sess_priv = get_asym_session_private_data(sess, i);
1552                 if (sess_priv != NULL)
1553                         return -EBUSY;
1554         }
1555
1556         /* Return session to mempool */
1557         sess_mp = rte_mempool_from_obj(sess);
1558         rte_mempool_put(sess_mp, sess);
1559
1560         rte_cryptodev_trace_asym_session_free(sess);
1561         return 0;
1562 }
1563
1564 unsigned int
1565 rte_cryptodev_sym_get_header_session_size(void)
1566 {
1567         /*
1568          * Header contains pointers to the private data of all registered
1569          * drivers and all necessary information to ensure safely clear
1570          * or free al session.
1571          */
1572         struct rte_cryptodev_sym_session s = {0};
1573
1574         s.nb_drivers = nb_drivers;
1575
1576         return (unsigned int)(sizeof(s) +
1577                         rte_cryptodev_sym_session_data_size(&s));
1578 }
1579
1580 unsigned int
1581 rte_cryptodev_sym_get_existing_header_session_size(
1582                 struct rte_cryptodev_sym_session *sess)
1583 {
1584         if (!sess)
1585                 return 0;
1586         else
1587                 return (unsigned int)(sizeof(*sess) +
1588                                 rte_cryptodev_sym_session_data_size(sess));
1589 }
1590
1591 unsigned int
1592 rte_cryptodev_asym_get_header_session_size(void)
1593 {
1594         /*
1595          * Header contains pointers to the private data
1596          * of all registered drivers, and a flag which
1597          * indicates presence of private data
1598          */
1599         return ((sizeof(void *) * nb_drivers) + sizeof(uint8_t));
1600 }
1601
1602 unsigned int
1603 rte_cryptodev_sym_get_private_session_size(uint8_t dev_id)
1604 {
1605         struct rte_cryptodev *dev;
1606         unsigned int priv_sess_size;
1607
1608         if (!rte_cryptodev_pmd_is_valid_dev(dev_id))
1609                 return 0;
1610
1611         dev = rte_cryptodev_pmd_get_dev(dev_id);
1612
1613         if (*dev->dev_ops->sym_session_get_size == NULL)
1614                 return 0;
1615
1616         priv_sess_size = (*dev->dev_ops->sym_session_get_size)(dev);
1617
1618         return priv_sess_size;
1619 }
1620
1621 unsigned int
1622 rte_cryptodev_asym_get_private_session_size(uint8_t dev_id)
1623 {
1624         struct rte_cryptodev *dev;
1625         unsigned int header_size = sizeof(void *) * nb_drivers;
1626         unsigned int priv_sess_size;
1627
1628         if (!rte_cryptodev_pmd_is_valid_dev(dev_id))
1629                 return 0;
1630
1631         dev = rte_cryptodev_pmd_get_dev(dev_id);
1632
1633         if (*dev->dev_ops->asym_session_get_size == NULL)
1634                 return 0;
1635
1636         priv_sess_size = (*dev->dev_ops->asym_session_get_size)(dev);
1637         if (priv_sess_size < header_size)
1638                 return header_size;
1639
1640         return priv_sess_size;
1641
1642 }
1643
1644 int
1645 rte_cryptodev_sym_session_set_user_data(
1646                                         struct rte_cryptodev_sym_session *sess,
1647                                         void *data,
1648                                         uint16_t size)
1649 {
1650         if (sess == NULL)
1651                 return -EINVAL;
1652
1653         if (sess->user_data_sz < size)
1654                 return -ENOMEM;
1655
1656         rte_memcpy(sess->sess_data + sess->nb_drivers, data, size);
1657         return 0;
1658 }
1659
1660 void *
1661 rte_cryptodev_sym_session_get_user_data(
1662                                         struct rte_cryptodev_sym_session *sess)
1663 {
1664         if (sess == NULL || sess->user_data_sz == 0)
1665                 return NULL;
1666
1667         return (void *)(sess->sess_data + sess->nb_drivers);
1668 }
1669
1670 static inline void
1671 sym_crypto_fill_status(struct rte_crypto_sym_vec *vec, int32_t errnum)
1672 {
1673         uint32_t i;
1674         for (i = 0; i < vec->num; i++)
1675                 vec->status[i] = errnum;
1676 }
1677
1678 uint32_t
1679 rte_cryptodev_sym_cpu_crypto_process(uint8_t dev_id,
1680         struct rte_cryptodev_sym_session *sess, union rte_crypto_sym_ofs ofs,
1681         struct rte_crypto_sym_vec *vec)
1682 {
1683         struct rte_cryptodev *dev;
1684
1685         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
1686                 sym_crypto_fill_status(vec, EINVAL);
1687                 return 0;
1688         }
1689
1690         dev = rte_cryptodev_pmd_get_dev(dev_id);
1691
1692         if (*dev->dev_ops->sym_cpu_process == NULL ||
1693                 !(dev->feature_flags & RTE_CRYPTODEV_FF_SYM_CPU_CRYPTO)) {
1694                 sym_crypto_fill_status(vec, ENOTSUP);
1695                 return 0;
1696         }
1697
1698         return dev->dev_ops->sym_cpu_process(dev, sess, ofs, vec);
1699 }
1700
1701 /** Initialise rte_crypto_op mempool element */
1702 static void
1703 rte_crypto_op_init(struct rte_mempool *mempool,
1704                 void *opaque_arg,
1705                 void *_op_data,
1706                 __rte_unused unsigned i)
1707 {
1708         struct rte_crypto_op *op = _op_data;
1709         enum rte_crypto_op_type type = *(enum rte_crypto_op_type *)opaque_arg;
1710
1711         memset(_op_data, 0, mempool->elt_size);
1712
1713         __rte_crypto_op_reset(op, type);
1714
1715         op->phys_addr = rte_mem_virt2iova(_op_data);
1716         op->mempool = mempool;
1717 }
1718
1719
1720 struct rte_mempool *
1721 rte_crypto_op_pool_create(const char *name, enum rte_crypto_op_type type,
1722                 unsigned nb_elts, unsigned cache_size, uint16_t priv_size,
1723                 int socket_id)
1724 {
1725         struct rte_crypto_op_pool_private *priv;
1726
1727         unsigned elt_size = sizeof(struct rte_crypto_op) +
1728                         priv_size;
1729
1730         if (type == RTE_CRYPTO_OP_TYPE_SYMMETRIC) {
1731                 elt_size += sizeof(struct rte_crypto_sym_op);
1732         } else if (type == RTE_CRYPTO_OP_TYPE_ASYMMETRIC) {
1733                 elt_size += sizeof(struct rte_crypto_asym_op);
1734         } else if (type == RTE_CRYPTO_OP_TYPE_UNDEFINED) {
1735                 elt_size += RTE_MAX(sizeof(struct rte_crypto_sym_op),
1736                                     sizeof(struct rte_crypto_asym_op));
1737         } else {
1738                 CDEV_LOG_ERR("Invalid op_type\n");
1739                 return NULL;
1740         }
1741
1742         /* lookup mempool in case already allocated */
1743         struct rte_mempool *mp = rte_mempool_lookup(name);
1744
1745         if (mp != NULL) {
1746                 priv = (struct rte_crypto_op_pool_private *)
1747                                 rte_mempool_get_priv(mp);
1748
1749                 if (mp->elt_size != elt_size ||
1750                                 mp->cache_size < cache_size ||
1751                                 mp->size < nb_elts ||
1752                                 priv->priv_size <  priv_size) {
1753                         mp = NULL;
1754                         CDEV_LOG_ERR("Mempool %s already exists but with "
1755                                         "incompatible parameters", name);
1756                         return NULL;
1757                 }
1758                 return mp;
1759         }
1760
1761         mp = rte_mempool_create(
1762                         name,
1763                         nb_elts,
1764                         elt_size,
1765                         cache_size,
1766                         sizeof(struct rte_crypto_op_pool_private),
1767                         NULL,
1768                         NULL,
1769                         rte_crypto_op_init,
1770                         &type,
1771                         socket_id,
1772                         0);
1773
1774         if (mp == NULL) {
1775                 CDEV_LOG_ERR("Failed to create mempool %s", name);
1776                 return NULL;
1777         }
1778
1779         priv = (struct rte_crypto_op_pool_private *)
1780                         rte_mempool_get_priv(mp);
1781
1782         priv->priv_size = priv_size;
1783         priv->type = type;
1784
1785         return mp;
1786 }
1787
1788 int
1789 rte_cryptodev_pmd_create_dev_name(char *name, const char *dev_name_prefix)
1790 {
1791         struct rte_cryptodev *dev = NULL;
1792         uint32_t i = 0;
1793
1794         if (name == NULL)
1795                 return -EINVAL;
1796
1797         for (i = 0; i < RTE_CRYPTO_MAX_DEVS; i++) {
1798                 int ret = snprintf(name, RTE_CRYPTODEV_NAME_MAX_LEN,
1799                                 "%s_%u", dev_name_prefix, i);
1800
1801                 if (ret < 0)
1802                         return ret;
1803
1804                 dev = rte_cryptodev_pmd_get_named_dev(name);
1805                 if (!dev)
1806                         return 0;
1807         }
1808
1809         return -1;
1810 }
1811
1812 TAILQ_HEAD(cryptodev_driver_list, cryptodev_driver);
1813
1814 static struct cryptodev_driver_list cryptodev_driver_list =
1815         TAILQ_HEAD_INITIALIZER(cryptodev_driver_list);
1816
1817 int
1818 rte_cryptodev_driver_id_get(const char *name)
1819 {
1820         struct cryptodev_driver *driver;
1821         const char *driver_name;
1822
1823         if (name == NULL) {
1824                 RTE_LOG(DEBUG, CRYPTODEV, "name pointer NULL");
1825                 return -1;
1826         }
1827
1828         TAILQ_FOREACH(driver, &cryptodev_driver_list, next) {
1829                 driver_name = driver->driver->name;
1830                 if (strncmp(driver_name, name, strlen(driver_name) + 1) == 0)
1831                         return driver->id;
1832         }
1833         return -1;
1834 }
1835
1836 const char *
1837 rte_cryptodev_name_get(uint8_t dev_id)
1838 {
1839         struct rte_cryptodev *dev;
1840
1841         if (!rte_cryptodev_is_valid_device_data(dev_id)) {
1842                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
1843                 return NULL;
1844         }
1845
1846         dev = rte_cryptodev_pmd_get_dev(dev_id);
1847         if (dev == NULL)
1848                 return NULL;
1849
1850         return dev->data->name;
1851 }
1852
1853 const char *
1854 rte_cryptodev_driver_name_get(uint8_t driver_id)
1855 {
1856         struct cryptodev_driver *driver;
1857
1858         TAILQ_FOREACH(driver, &cryptodev_driver_list, next)
1859                 if (driver->id == driver_id)
1860                         return driver->driver->name;
1861         return NULL;
1862 }
1863
1864 uint8_t
1865 rte_cryptodev_allocate_driver(struct cryptodev_driver *crypto_drv,
1866                 const struct rte_driver *drv)
1867 {
1868         crypto_drv->driver = drv;
1869         crypto_drv->id = nb_drivers;
1870
1871         TAILQ_INSERT_TAIL(&cryptodev_driver_list, crypto_drv, next);
1872
1873         return nb_drivers++;
1874 }