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         case RTE_CRYPTODEV_FF_NON_BYTE_ALIGNED_DATA:
 504                 return "NON_BYTE_ALIGNED_DATA";
 505         default:
 506                 return NULL;
 507         }
 508 }
 509
 510 struct rte_cryptodev *
 511 rte_cryptodev_pmd_get_dev(uint8_t dev_id)
 512 {
 513         return &cryptodev_globals.devs[dev_id];
 514 }
 515
 516 struct rte_cryptodev *
 517 rte_cryptodev_pmd_get_named_dev(const char *name)
 518 {
 519         struct rte_cryptodev *dev;
 520         unsigned int i;
 521
 522         if (name == NULL)
 523                 return NULL;
 524
 525         for (i = 0; i < RTE_CRYPTO_MAX_DEVS; i++) {
 526                 dev = &cryptodev_globals.devs[i];
 527
 528                 if ((dev->attached == RTE_CRYPTODEV_ATTACHED) &&
 529                                 (strcmp(dev->data->name, name) == 0))
 530                         return dev;
 531         }
 532
 533         return NULL;
 534 }
 535
 536 static inline uint8_t
 537 rte_cryptodev_is_valid_device_data(uint8_t dev_id)
 538 {
 539         if (dev_id >= RTE_CRYPTO_MAX_DEVS ||
 540                         rte_crypto_devices[dev_id].data == NULL)
 541                 return 0;
 542
 543         return 1;
 544 }
 545
 546 unsigned int
 547 rte_cryptodev_pmd_is_valid_dev(uint8_t dev_id)
 548 {
 549         struct rte_cryptodev *dev = NULL;
 550
 551         if (!rte_cryptodev_is_valid_device_data(dev_id))
 552                 return 0;
 553
 554         dev = rte_cryptodev_pmd_get_dev(dev_id);
 555         if (dev->attached != RTE_CRYPTODEV_ATTACHED)
 556                 return 0;
 557         else
 558                 return 1;
 559 }
 560
 561
 562 int
 563 rte_cryptodev_get_dev_id(const char *name)
 564 {
 565         unsigned i;
 566
 567         if (name == NULL)
 568                 return -1;
 569
 570         for (i = 0; i < RTE_CRYPTO_MAX_DEVS; i++) {
 571                 if (!rte_cryptodev_is_valid_device_data(i))
 572                         continue;
 573                 if ((strcmp(cryptodev_globals.devs[i].data->name, name)
 574                                 == 0) &&
 575                                 (cryptodev_globals.devs[i].attached ==
 576                                                 RTE_CRYPTODEV_ATTACHED))
 577                         return i;
 578         }
 579
 580         return -1;
 581 }
 582
 583 uint8_t
 584 rte_cryptodev_count(void)
 585 {
 586         return cryptodev_globals.nb_devs;
 587 }
 588
 589 uint8_t
 590 rte_cryptodev_device_count_by_driver(uint8_t driver_id)
 591 {
 592         uint8_t i, dev_count = 0;
 593
 594         for (i = 0; i < RTE_CRYPTO_MAX_DEVS; i++)
 595                 if (cryptodev_globals.devs[i].driver_id == driver_id &&
 596                         cryptodev_globals.devs[i].attached ==
 597                                         RTE_CRYPTODEV_ATTACHED)
 598                         dev_count++;
 599
 600         return dev_count;
 601 }
 602
 603 uint8_t
 604 rte_cryptodev_devices_get(const char *driver_name, uint8_t *devices,
 605         uint8_t nb_devices)
 606 {
 607         uint8_t i, count = 0;
 608         struct rte_cryptodev *devs = cryptodev_globals.devs;
 609
 610         for (i = 0; i < RTE_CRYPTO_MAX_DEVS && count < nb_devices; i++) {
 611                 if (!rte_cryptodev_is_valid_device_data(i))
 612                         continue;
 613
 614                 if (devs[i].attached == RTE_CRYPTODEV_ATTACHED) {
 615                         int cmp;
 616
 617                         cmp = strncmp(devs[i].device->driver->name,
 618                                         driver_name,
 619                                         strlen(driver_name) + 1);
 620
 621                         if (cmp == 0)
 622                                 devices[count++] = devs[i].data->dev_id;
 623                 }
 624         }
 625
 626         return count;
 627 }
 628
 629 void *
 630 rte_cryptodev_get_sec_ctx(uint8_t dev_id)
 631 {
 632         if (dev_id < RTE_CRYPTO_MAX_DEVS &&
 633                         (rte_crypto_devices[dev_id].feature_flags &
 634                         RTE_CRYPTODEV_FF_SECURITY))
 635                 return rte_crypto_devices[dev_id].security_ctx;
 636
 637         return NULL;
 638 }
 639
 640 int
 641 rte_cryptodev_socket_id(uint8_t dev_id)
 642 {
 643         struct rte_cryptodev *dev;
 644
 645         if (!rte_cryptodev_pmd_is_valid_dev(dev_id))
 646                 return -1;
 647
 648         dev = rte_cryptodev_pmd_get_dev(dev_id);
 649
 650         return dev->data->socket_id;
 651 }
 652
 653 static inline int
 654 rte_cryptodev_data_alloc(uint8_t dev_id, struct rte_cryptodev_data **data,
 655                 int socket_id)
 656 {
 657         char mz_name[RTE_MEMZONE_NAMESIZE];
 658         const struct rte_memzone *mz;
 659         int n;
 660
 661         /* generate memzone name */
 662         n = snprintf(mz_name, sizeof(mz_name), "rte_cryptodev_data_%u", dev_id);
 663         if (n >= (int)sizeof(mz_name))
 664                 return -EINVAL;
 665
 666         if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
 667                 mz = rte_memzone_reserve(mz_name,
 668                                 sizeof(struct rte_cryptodev_data),
 669                                 socket_id, 0);
 670         } else
 671                 mz = rte_memzone_lookup(mz_name);
 672
 673         if (mz == NULL)
 674                 return -ENOMEM;
 675
 676         *data = mz->addr;
 677         if (rte_eal_process_type() == RTE_PROC_PRIMARY)
 678                 memset(*data, 0, sizeof(struct rte_cryptodev_data));
 679
 680         return 0;
 681 }
 682
 683 static inline int
 684 rte_cryptodev_data_free(uint8_t dev_id, struct rte_cryptodev_data **data)
 685 {
 686         char mz_name[RTE_MEMZONE_NAMESIZE];
 687         const struct rte_memzone *mz;
 688         int n;
 689
 690         /* generate memzone name */
 691         n = snprintf(mz_name, sizeof(mz_name), "rte_cryptodev_data_%u", dev_id);
 692         if (n >= (int)sizeof(mz_name))
 693                 return -EINVAL;
 694
 695         mz = rte_memzone_lookup(mz_name);
 696         if (mz == NULL)
 697                 return -ENOMEM;
 698
 699         RTE_ASSERT(*data == mz->addr);
 700         *data = NULL;
 701
 702         if (rte_eal_process_type() == RTE_PROC_PRIMARY)
 703                 return rte_memzone_free(mz);
 704
 705         return 0;
 706 }
 707
 708 static uint8_t
 709 rte_cryptodev_find_free_device_index(void)
 710 {
 711         uint8_t dev_id;
 712
 713         for (dev_id = 0; dev_id < RTE_CRYPTO_MAX_DEVS; dev_id++) {
 714                 if (rte_crypto_devices[dev_id].attached ==
 715                                 RTE_CRYPTODEV_DETACHED)
 716                         return dev_id;
 717         }
 718         return RTE_CRYPTO_MAX_DEVS;
 719 }
 720
 721 struct rte_cryptodev *
 722 rte_cryptodev_pmd_allocate(const char *name, int socket_id)
 723 {
 724         struct rte_cryptodev *cryptodev;
 725         uint8_t dev_id;
 726
 727         if (rte_cryptodev_pmd_get_named_dev(name) != NULL) {
 728                 CDEV_LOG_ERR("Crypto device with name %s already "
 729                                 "allocated!", name);
 730                 return NULL;
 731         }
 732
 733         dev_id = rte_cryptodev_find_free_device_index();
 734         if (dev_id == RTE_CRYPTO_MAX_DEVS) {
 735                 CDEV_LOG_ERR("Reached maximum number of crypto devices");
 736                 return NULL;
 737         }
 738
 739         cryptodev = rte_cryptodev_pmd_get_dev(dev_id);
 740
 741         if (cryptodev->data == NULL) {
 742                 struct rte_cryptodev_data **cryptodev_data =
 743                                 &cryptodev_globals.data[dev_id];
 744
 745                 int retval = rte_cryptodev_data_alloc(dev_id, cryptodev_data,
 746                                 socket_id);
 747
 748                 if (retval < 0 || *cryptodev_data == NULL)
 749                         return NULL;
 750
 751                 cryptodev->data = *cryptodev_data;
 752
 753                 if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
 754                         strlcpy(cryptodev->data->name, name,
 755                                 RTE_CRYPTODEV_NAME_MAX_LEN);
 756
 757                         cryptodev->data->dev_id = dev_id;
 758                         cryptodev->data->socket_id = socket_id;
 759                         cryptodev->data->dev_started = 0;
 760                 }
 761
 762                 /* init user callbacks */
 763                 TAILQ_INIT(&(cryptodev->link_intr_cbs));
 764
 765                 cryptodev->attached = RTE_CRYPTODEV_ATTACHED;
 766
 767                 cryptodev_globals.nb_devs++;
 768         }
 769
 770         return cryptodev;
 771 }
 772
 773 int
 774 rte_cryptodev_pmd_release_device(struct rte_cryptodev *cryptodev)
 775 {
 776         int ret;
 777         uint8_t dev_id;
 778
 779         if (cryptodev == NULL)
 780                 return -EINVAL;
 781
 782         dev_id = cryptodev->data->dev_id;
 783
 784         /* Close device only if device operations have been set */
 785         if (cryptodev->dev_ops) {
 786                 ret = rte_cryptodev_close(dev_id);
 787                 if (ret < 0)
 788                         return ret;
 789         }
 790
 791         ret = rte_cryptodev_data_free(dev_id, &cryptodev_globals.data[dev_id]);
 792         if (ret < 0)
 793                 return ret;
 794
 795         cryptodev->attached = RTE_CRYPTODEV_DETACHED;
 796         cryptodev_globals.nb_devs--;
 797         return 0;
 798 }
 799
 800 uint16_t
 801 rte_cryptodev_queue_pair_count(uint8_t dev_id)
 802 {
 803         struct rte_cryptodev *dev;
 804
 805         if (!rte_cryptodev_is_valid_device_data(dev_id)) {
 806                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
 807                 return 0;
 808         }
 809
 810         dev = &rte_crypto_devices[dev_id];
 811         return dev->data->nb_queue_pairs;
 812 }
 813
 814 static int
 815 rte_cryptodev_queue_pairs_config(struct rte_cryptodev *dev, uint16_t nb_qpairs,
 816                 int socket_id)
 817 {
 818         struct rte_cryptodev_info dev_info;
 819         void **qp;
 820         unsigned i;
 821
 822         if ((dev == NULL) || (nb_qpairs < 1)) {
 823                 CDEV_LOG_ERR("invalid param: dev %p, nb_queues %u",
 824                                                         dev, nb_qpairs);
 825                 return -EINVAL;
 826         }
 827
 828         CDEV_LOG_DEBUG("Setup %d queues pairs on device %u",
 829                         nb_qpairs, dev->data->dev_id);
 830
 831         memset(&dev_info, 0, sizeof(struct rte_cryptodev_info));
 832
 833         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_infos_get, -ENOTSUP);
 834         (*dev->dev_ops->dev_infos_get)(dev, &dev_info);
 835
 836         if (nb_qpairs > (dev_info.max_nb_queue_pairs)) {
 837                 CDEV_LOG_ERR("Invalid num queue_pairs (%u) for dev %u",
 838                                 nb_qpairs, dev->data->dev_id);
 839             return -EINVAL;
 840         }
 841
 842         if (dev->data->queue_pairs == NULL) { /* first time configuration */
 843                 dev->data->queue_pairs = rte_zmalloc_socket(
 844                                 "cryptodev->queue_pairs",
 845                                 sizeof(dev->data->queue_pairs[0]) * nb_qpairs,
 846                                 RTE_CACHE_LINE_SIZE, socket_id);
 847
 848                 if (dev->data->queue_pairs == NULL) {
 849                         dev->data->nb_queue_pairs = 0;
 850                         CDEV_LOG_ERR("failed to get memory for qp meta data, "
 851                                                         "nb_queues %u",
 852                                                         nb_qpairs);
 853                         return -(ENOMEM);
 854                 }
 855         } else { /* re-configure */
 856                 int ret;
 857                 uint16_t old_nb_queues = dev->data->nb_queue_pairs;
 858
 859                 qp = dev->data->queue_pairs;
 860
 861                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->queue_pair_release,
 862                                 -ENOTSUP);
 863
 864                 for (i = nb_qpairs; i < old_nb_queues; i++) {
 865                         ret = (*dev->dev_ops->queue_pair_release)(dev, i);
 866                         if (ret < 0)
 867                                 return ret;
 868                 }
 869
 870                 qp = rte_realloc(qp, sizeof(qp[0]) * nb_qpairs,
 871                                 RTE_CACHE_LINE_SIZE);
 872                 if (qp == NULL) {
 873                         CDEV_LOG_ERR("failed to realloc qp meta data,"
 874                                                 " nb_queues %u", nb_qpairs);
 875                         return -(ENOMEM);
 876                 }
 877
 878                 if (nb_qpairs > old_nb_queues) {
 879                         uint16_t new_qs = nb_qpairs - old_nb_queues;
 880
 881                         memset(qp + old_nb_queues, 0,
 882                                 sizeof(qp[0]) * new_qs);
 883                 }
 884
 885                 dev->data->queue_pairs = qp;
 886
 887         }
 888         dev->data->nb_queue_pairs = nb_qpairs;
 889         return 0;
 890 }
 891
 892 int
 893 rte_cryptodev_configure(uint8_t dev_id, struct rte_cryptodev_config *config)
 894 {
 895         struct rte_cryptodev *dev;
 896         int diag;
 897
 898         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
 899                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
 900                 return -EINVAL;
 901         }
 902
 903         dev = &rte_crypto_devices[dev_id];
 904
 905         if (dev->data->dev_started) {
 906                 CDEV_LOG_ERR(
 907                     "device %d must be stopped to allow configuration", dev_id);
 908                 return -EBUSY;
 909         }
 910
 911         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_configure, -ENOTSUP);
 912
 913         /* Setup new number of queue pairs and reconfigure device. */
 914         diag = rte_cryptodev_queue_pairs_config(dev, config->nb_queue_pairs,
 915                         config->socket_id);
 916         if (diag != 0) {
 917                 CDEV_LOG_ERR("dev%d rte_crypto_dev_queue_pairs_config = %d",
 918                                 dev_id, diag);
 919                 return diag;
 920         }
 921
 922         rte_cryptodev_trace_configure(dev_id, config);
 923         return (*dev->dev_ops->dev_configure)(dev, config);
 924 }
 925
 926
 927 int
 928 rte_cryptodev_start(uint8_t dev_id)
 929 {
 930         struct rte_cryptodev *dev;
 931         int diag;
 932
 933         CDEV_LOG_DEBUG("Start dev_id=%" PRIu8, dev_id);
 934
 935         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
 936                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
 937                 return -EINVAL;
 938         }
 939
 940         dev = &rte_crypto_devices[dev_id];
 941
 942         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_start, -ENOTSUP);
 943
 944         if (dev->data->dev_started != 0) {
 945                 CDEV_LOG_ERR("Device with dev_id=%" PRIu8 " already started",
 946                         dev_id);
 947                 return 0;
 948         }
 949
 950         diag = (*dev->dev_ops->dev_start)(dev);
 951         rte_cryptodev_trace_start(dev_id, diag);
 952         if (diag == 0)
 953                 dev->data->dev_started = 1;
 954         else
 955                 return diag;
 956
 957         return 0;
 958 }
 959
 960 void
 961 rte_cryptodev_stop(uint8_t dev_id)
 962 {
 963         struct rte_cryptodev *dev;
 964
 965         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
 966                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
 967                 return;
 968         }
 969
 970         dev = &rte_crypto_devices[dev_id];
 971
 972         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->dev_stop);
 973
 974         if (dev->data->dev_started == 0) {
 975                 CDEV_LOG_ERR("Device with dev_id=%" PRIu8 " already stopped",
 976                         dev_id);
 977                 return;
 978         }
 979
 980         (*dev->dev_ops->dev_stop)(dev);
 981         rte_cryptodev_trace_stop(dev_id);
 982         dev->data->dev_started = 0;
 983 }
 984
 985 int
 986 rte_cryptodev_close(uint8_t dev_id)
 987 {
 988         struct rte_cryptodev *dev;
 989         int retval;
 990
 991         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
 992                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
 993                 return -1;
 994         }
 995
 996         dev = &rte_crypto_devices[dev_id];
 997
 998         /* Device must be stopped before it can be closed */
 999         if (dev->data->dev_started == 1) {
1000                 CDEV_LOG_ERR("Device %u must be stopped before closing",
1001                                 dev_id);
1002                 return -EBUSY;
1003         }
1004
1005         /* We can't close the device if there are outstanding sessions in use */
1006         if (dev->data->session_pool != NULL) {
1007                 if (!rte_mempool_full(dev->data->session_pool)) {
1008                         CDEV_LOG_ERR("dev_id=%u close failed, session mempool "
1009                                         "has sessions still in use, free "
1010                                         "all sessions before calling close",
1011                                         (unsigned)dev_id);
1012                         return -EBUSY;
1013                 }
1014         }
1015
1016         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_close, -ENOTSUP);
1017         retval = (*dev->dev_ops->dev_close)(dev);
1018         rte_cryptodev_trace_close(dev_id, retval);
1019
1020         if (retval < 0)
1021                 return retval;
1022
1023         return 0;
1024 }
1025
1026 int
1027 rte_cryptodev_queue_pair_setup(uint8_t dev_id, uint16_t queue_pair_id,
1028                 const struct rte_cryptodev_qp_conf *qp_conf, int socket_id)
1029
1030 {
1031         struct rte_cryptodev *dev;
1032
1033         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
1034                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
1035                 return -EINVAL;
1036         }
1037
1038         dev = &rte_crypto_devices[dev_id];
1039         if (queue_pair_id >= dev->data->nb_queue_pairs) {
1040                 CDEV_LOG_ERR("Invalid queue_pair_id=%d", queue_pair_id);
1041                 return -EINVAL;
1042         }
1043
1044         if (!qp_conf) {
1045                 CDEV_LOG_ERR("qp_conf cannot be NULL\n");
1046                 return -EINVAL;
1047         }
1048
1049         if ((qp_conf->mp_session && !qp_conf->mp_session_private) ||
1050                         (!qp_conf->mp_session && qp_conf->mp_session_private)) {
1051                 CDEV_LOG_ERR("Invalid mempools\n");
1052                 return -EINVAL;
1053         }
1054
1055         if (qp_conf->mp_session) {
1056                 struct rte_cryptodev_sym_session_pool_private_data *pool_priv;
1057                 uint32_t obj_size = qp_conf->mp_session->elt_size;
1058                 uint32_t obj_priv_size = qp_conf->mp_session_private->elt_size;
1059                 struct rte_cryptodev_sym_session s = {0};
1060
1061                 pool_priv = rte_mempool_get_priv(qp_conf->mp_session);
1062                 if (!pool_priv || qp_conf->mp_session->private_data_size <
1063                                 sizeof(*pool_priv)) {
1064                         CDEV_LOG_ERR("Invalid mempool\n");
1065                         return -EINVAL;
1066                 }
1067
1068                 s.nb_drivers = pool_priv->nb_drivers;
1069                 s.user_data_sz = pool_priv->user_data_sz;
1070
1071                 if ((rte_cryptodev_sym_get_existing_header_session_size(&s) >
1072                         obj_size) || (s.nb_drivers <= dev->driver_id) ||
1073                         rte_cryptodev_sym_get_private_session_size(dev_id) >
1074                                 obj_priv_size) {
1075                         CDEV_LOG_ERR("Invalid mempool\n");
1076                         return -EINVAL;
1077                 }
1078         }
1079
1080         if (dev->data->dev_started) {
1081                 CDEV_LOG_ERR(
1082                     "device %d must be stopped to allow configuration", dev_id);
1083                 return -EBUSY;
1084         }
1085
1086         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->queue_pair_setup, -ENOTSUP);
1087
1088         rte_cryptodev_trace_queue_pair_setup(dev_id, queue_pair_id, qp_conf);
1089         return (*dev->dev_ops->queue_pair_setup)(dev, queue_pair_id, qp_conf,
1090                         socket_id);
1091 }
1092
1093
1094 int
1095 rte_cryptodev_stats_get(uint8_t dev_id, struct rte_cryptodev_stats *stats)
1096 {
1097         struct rte_cryptodev *dev;
1098
1099         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
1100                 CDEV_LOG_ERR("Invalid dev_id=%d", dev_id);
1101                 return -ENODEV;
1102         }
1103
1104         if (stats == NULL) {
1105                 CDEV_LOG_ERR("Invalid stats ptr");
1106                 return -EINVAL;
1107         }
1108
1109         dev = &rte_crypto_devices[dev_id];
1110         memset(stats, 0, sizeof(*stats));
1111
1112         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->stats_get, -ENOTSUP);
1113         (*dev->dev_ops->stats_get)(dev, stats);
1114         return 0;
1115 }
1116
1117 void
1118 rte_cryptodev_stats_reset(uint8_t dev_id)
1119 {
1120         struct rte_cryptodev *dev;
1121
1122         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
1123                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
1124                 return;
1125         }
1126
1127         dev = &rte_crypto_devices[dev_id];
1128
1129         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->stats_reset);
1130         (*dev->dev_ops->stats_reset)(dev);
1131 }
1132
1133
1134 void
1135 rte_cryptodev_info_get(uint8_t dev_id, struct rte_cryptodev_info *dev_info)
1136 {
1137         struct rte_cryptodev *dev;
1138
1139         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
1140                 CDEV_LOG_ERR("Invalid dev_id=%d", dev_id);
1141                 return;
1142         }
1143
1144         dev = &rte_crypto_devices[dev_id];
1145
1146         memset(dev_info, 0, sizeof(struct rte_cryptodev_info));
1147
1148         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->dev_infos_get);
1149         (*dev->dev_ops->dev_infos_get)(dev, dev_info);
1150
1151         dev_info->driver_name = dev->device->driver->name;
1152         dev_info->device = dev->device;
1153 }
1154
1155
1156 int
1157 rte_cryptodev_callback_register(uint8_t dev_id,
1158                         enum rte_cryptodev_event_type event,
1159                         rte_cryptodev_cb_fn cb_fn, void *cb_arg)
1160 {
1161         struct rte_cryptodev *dev;
1162         struct rte_cryptodev_callback *user_cb;
1163
1164         if (!cb_fn)
1165                 return -EINVAL;
1166
1167         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
1168                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
1169                 return -EINVAL;
1170         }
1171
1172         dev = &rte_crypto_devices[dev_id];
1173         rte_spinlock_lock(&rte_cryptodev_cb_lock);
1174
1175         TAILQ_FOREACH(user_cb, &(dev->link_intr_cbs), next) {
1176                 if (user_cb->cb_fn == cb_fn &&
1177                         user_cb->cb_arg == cb_arg &&
1178                         user_cb->event == event) {
1179                         break;
1180                 }
1181         }
1182
1183         /* create a new callback. */
1184         if (user_cb == NULL) {
1185                 user_cb = rte_zmalloc("INTR_USER_CALLBACK",
1186                                 sizeof(struct rte_cryptodev_callback), 0);
1187                 if (user_cb != NULL) {
1188                         user_cb->cb_fn = cb_fn;
1189                         user_cb->cb_arg = cb_arg;
1190                         user_cb->event = event;
1191                         TAILQ_INSERT_TAIL(&(dev->link_intr_cbs), user_cb, next);
1192                 }
1193         }
1194
1195         rte_spinlock_unlock(&rte_cryptodev_cb_lock);
1196         return (user_cb == NULL) ? -ENOMEM : 0;
1197 }
1198
1199 int
1200 rte_cryptodev_callback_unregister(uint8_t dev_id,
1201                         enum rte_cryptodev_event_type event,
1202                         rte_cryptodev_cb_fn cb_fn, void *cb_arg)
1203 {
1204         int ret;
1205         struct rte_cryptodev *dev;
1206         struct rte_cryptodev_callback *cb, *next;
1207
1208         if (!cb_fn)
1209                 return -EINVAL;
1210
1211         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
1212                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
1213                 return -EINVAL;
1214         }
1215
1216         dev = &rte_crypto_devices[dev_id];
1217         rte_spinlock_lock(&rte_cryptodev_cb_lock);
1218
1219         ret = 0;
1220         for (cb = TAILQ_FIRST(&dev->link_intr_cbs); cb != NULL; cb = next) {
1221
1222                 next = TAILQ_NEXT(cb, next);
1223
1224                 if (cb->cb_fn != cb_fn || cb->event != event ||
1225                                 (cb->cb_arg != (void *)-1 &&
1226                                 cb->cb_arg != cb_arg))
1227                         continue;
1228
1229                 /*
1230                  * if this callback is not executing right now,
1231                  * then remove it.
1232                  */
1233                 if (cb->active == 0) {
1234                         TAILQ_REMOVE(&(dev->link_intr_cbs), cb, next);
1235                         rte_free(cb);
1236                 } else {
1237                         ret = -EAGAIN;
1238                 }
1239         }
1240
1241         rte_spinlock_unlock(&rte_cryptodev_cb_lock);
1242         return ret;
1243 }
1244
1245 void
1246 rte_cryptodev_pmd_callback_process(struct rte_cryptodev *dev,
1247         enum rte_cryptodev_event_type event)
1248 {
1249         struct rte_cryptodev_callback *cb_lst;
1250         struct rte_cryptodev_callback dev_cb;
1251
1252         rte_spinlock_lock(&rte_cryptodev_cb_lock);
1253         TAILQ_FOREACH(cb_lst, &(dev->link_intr_cbs), next) {
1254                 if (cb_lst->cb_fn == NULL || cb_lst->event != event)
1255                         continue;
1256                 dev_cb = *cb_lst;
1257                 cb_lst->active = 1;
1258                 rte_spinlock_unlock(&rte_cryptodev_cb_lock);
1259                 dev_cb.cb_fn(dev->data->dev_id, dev_cb.event,
1260                                                 dev_cb.cb_arg);
1261                 rte_spinlock_lock(&rte_cryptodev_cb_lock);
1262                 cb_lst->active = 0;
1263         }
1264         rte_spinlock_unlock(&rte_cryptodev_cb_lock);
1265 }
1266
1267
1268 int
1269 rte_cryptodev_sym_session_init(uint8_t dev_id,
1270                 struct rte_cryptodev_sym_session *sess,
1271                 struct rte_crypto_sym_xform *xforms,
1272                 struct rte_mempool *mp)
1273 {
1274         struct rte_cryptodev *dev;
1275         uint32_t sess_priv_sz = rte_cryptodev_sym_get_private_session_size(
1276                         dev_id);
1277         uint8_t index;
1278         int ret;
1279
1280         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
1281                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
1282                 return -EINVAL;
1283         }
1284
1285         dev = rte_cryptodev_pmd_get_dev(dev_id);
1286
1287         if (sess == NULL || xforms == NULL || dev == NULL)
1288                 return -EINVAL;
1289
1290         if (mp->elt_size < sess_priv_sz)
1291                 return -EINVAL;
1292
1293         index = dev->driver_id;
1294         if (index >= sess->nb_drivers)
1295                 return -EINVAL;
1296
1297         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->sym_session_configure, -ENOTSUP);
1298
1299         if (sess->sess_data[index].refcnt == 0) {
1300                 ret = dev->dev_ops->sym_session_configure(dev, xforms,
1301                                                         sess, mp);
1302                 if (ret < 0) {
1303                         CDEV_LOG_ERR(
1304                                 "dev_id %d failed to configure session details",
1305                                 dev_id);
1306                         return ret;
1307                 }
1308         }
1309
1310         rte_cryptodev_trace_sym_session_init(dev_id, sess, xforms, mp);
1311         sess->sess_data[index].refcnt++;
1312         return 0;
1313 }
1314
1315 int
1316 rte_cryptodev_asym_session_init(uint8_t dev_id,
1317                 struct rte_cryptodev_asym_session *sess,
1318                 struct rte_crypto_asym_xform *xforms,
1319                 struct rte_mempool *mp)
1320 {
1321         struct rte_cryptodev *dev;
1322         uint8_t index;
1323         int ret;
1324
1325         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
1326                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
1327                 return -EINVAL;
1328         }
1329
1330         dev = rte_cryptodev_pmd_get_dev(dev_id);
1331
1332         if (sess == NULL || xforms == NULL || dev == NULL)
1333                 return -EINVAL;
1334
1335         index = dev->driver_id;
1336
1337         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->asym_session_configure,
1338                                 -ENOTSUP);
1339
1340         if (sess->sess_private_data[index] == NULL) {
1341                 ret = dev->dev_ops->asym_session_configure(dev,
1342                                                         xforms,
1343                                                         sess, mp);
1344                 if (ret < 0) {
1345                         CDEV_LOG_ERR(
1346                                 "dev_id %d failed to configure session details",
1347                                 dev_id);
1348                         return ret;
1349                 }
1350         }
1351
1352         rte_cryptodev_trace_asym_session_init(dev_id, sess, xforms, mp);
1353         return 0;
1354 }
1355
1356 struct rte_mempool *
1357 rte_cryptodev_sym_session_pool_create(const char *name, uint32_t nb_elts,
1358         uint32_t elt_size, uint32_t cache_size, uint16_t user_data_size,
1359         int socket_id)
1360 {
1361         struct rte_mempool *mp;
1362         struct rte_cryptodev_sym_session_pool_private_data *pool_priv;
1363         uint32_t obj_sz;
1364
1365         obj_sz = rte_cryptodev_sym_get_header_session_size() + user_data_size;
1366         if (obj_sz > elt_size)
1367                 CDEV_LOG_INFO("elt_size %u is expanded to %u\n", elt_size,
1368                                 obj_sz);
1369         else
1370                 obj_sz = elt_size;
1371
1372         mp = rte_mempool_create(name, nb_elts, obj_sz, cache_size,
1373                         (uint32_t)(sizeof(*pool_priv)),
1374                         NULL, NULL, NULL, NULL,
1375                         socket_id, 0);
1376         if (mp == NULL) {
1377                 CDEV_LOG_ERR("%s(name=%s) failed, rte_errno=%d\n",
1378                         __func__, name, rte_errno);
1379                 return NULL;
1380         }
1381
1382         pool_priv = rte_mempool_get_priv(mp);
1383         if (!pool_priv) {
1384                 CDEV_LOG_ERR("%s(name=%s) failed to get private data\n",
1385                         __func__, name);
1386                 rte_mempool_free(mp);
1387                 return NULL;
1388         }
1389
1390         pool_priv->nb_drivers = nb_drivers;
1391         pool_priv->user_data_sz = user_data_size;
1392
1393         rte_cryptodev_trace_sym_session_pool_create(name, nb_elts,
1394                 elt_size, cache_size, user_data_size, mp);
1395         return mp;
1396 }
1397
1398 static unsigned int
1399 rte_cryptodev_sym_session_data_size(struct rte_cryptodev_sym_session *sess)
1400 {
1401         return (sizeof(sess->sess_data[0]) * sess->nb_drivers) +
1402                         sess->user_data_sz;
1403 }
1404
1405 struct rte_cryptodev_sym_session *
1406 rte_cryptodev_sym_session_create(struct rte_mempool *mp)
1407 {
1408         struct rte_cryptodev_sym_session *sess;
1409         struct rte_cryptodev_sym_session_pool_private_data *pool_priv;
1410
1411         if (!mp) {
1412                 CDEV_LOG_ERR("Invalid mempool\n");
1413                 return NULL;
1414         }
1415
1416         pool_priv = rte_mempool_get_priv(mp);
1417
1418         if (!pool_priv || mp->private_data_size < sizeof(*pool_priv)) {
1419                 CDEV_LOG_ERR("Invalid mempool\n");
1420                 return NULL;
1421         }
1422
1423         /* Allocate a session structure from the session pool */
1424         if (rte_mempool_get(mp, (void **)&sess)) {
1425                 CDEV_LOG_ERR("couldn't get object from session mempool");
1426                 return NULL;
1427         }
1428
1429         sess->nb_drivers = pool_priv->nb_drivers;
1430         sess->user_data_sz = pool_priv->user_data_sz;
1431         sess->opaque_data = 0;
1432
1433         /* Clear device session pointer.
1434          * Include the flag indicating presence of user data
1435          */
1436         memset(sess->sess_data, 0,
1437                         rte_cryptodev_sym_session_data_size(sess));
1438
1439         rte_cryptodev_trace_sym_session_create(mp, sess);
1440         return sess;
1441 }
1442
1443 struct rte_cryptodev_asym_session *
1444 rte_cryptodev_asym_session_create(struct rte_mempool *mp)
1445 {
1446         struct rte_cryptodev_asym_session *sess;
1447
1448         /* Allocate a session structure from the session pool */
1449         if (rte_mempool_get(mp, (void **)&sess)) {
1450                 CDEV_LOG_ERR("couldn't get object from session mempool");
1451                 return NULL;
1452         }
1453
1454         /* Clear device session pointer.
1455          * Include the flag indicating presence of private data
1456          */
1457         memset(sess, 0, (sizeof(void *) * nb_drivers) + sizeof(uint8_t));
1458
1459         rte_cryptodev_trace_asym_session_create(mp, sess);
1460         return sess;
1461 }
1462
1463 int
1464 rte_cryptodev_sym_session_clear(uint8_t dev_id,
1465                 struct rte_cryptodev_sym_session *sess)
1466 {
1467         struct rte_cryptodev *dev;
1468         uint8_t driver_id;
1469
1470         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
1471                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
1472                 return -EINVAL;
1473         }
1474
1475         dev = rte_cryptodev_pmd_get_dev(dev_id);
1476
1477         if (dev == NULL || sess == NULL)
1478                 return -EINVAL;
1479
1480         driver_id = dev->driver_id;
1481         if (sess->sess_data[driver_id].refcnt == 0)
1482                 return 0;
1483         if (--sess->sess_data[driver_id].refcnt != 0)
1484                 return -EBUSY;
1485
1486         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->sym_session_clear, -ENOTSUP);
1487
1488         dev->dev_ops->sym_session_clear(dev, sess);
1489
1490         rte_cryptodev_trace_sym_session_clear(dev_id, sess);
1491         return 0;
1492 }
1493
1494 int
1495 rte_cryptodev_asym_session_clear(uint8_t dev_id,
1496                 struct rte_cryptodev_asym_session *sess)
1497 {
1498         struct rte_cryptodev *dev;
1499
1500         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
1501                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
1502                 return -EINVAL;
1503         }
1504
1505         dev = rte_cryptodev_pmd_get_dev(dev_id);
1506
1507         if (dev == NULL || sess == NULL)
1508                 return -EINVAL;
1509
1510         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->asym_session_clear, -ENOTSUP);
1511
1512         dev->dev_ops->asym_session_clear(dev, sess);
1513
1514         rte_cryptodev_trace_sym_session_clear(dev_id, sess);
1515         return 0;
1516 }
1517
1518 int
1519 rte_cryptodev_sym_session_free(struct rte_cryptodev_sym_session *sess)
1520 {
1521         uint8_t i;
1522         struct rte_mempool *sess_mp;
1523
1524         if (sess == NULL)
1525                 return -EINVAL;
1526
1527         /* Check that all device private data has been freed */
1528         for (i = 0; i < sess->nb_drivers; i++) {
1529                 if (sess->sess_data[i].refcnt != 0)
1530                         return -EBUSY;
1531         }
1532
1533         /* Return session to mempool */
1534         sess_mp = rte_mempool_from_obj(sess);
1535         rte_mempool_put(sess_mp, sess);
1536
1537         rte_cryptodev_trace_sym_session_free(sess);
1538         return 0;
1539 }
1540
1541 int
1542 rte_cryptodev_asym_session_free(struct rte_cryptodev_asym_session *sess)
1543 {
1544         uint8_t i;
1545         void *sess_priv;
1546         struct rte_mempool *sess_mp;
1547
1548         if (sess == NULL)
1549                 return -EINVAL;
1550
1551         /* Check that all device private data has been freed */
1552         for (i = 0; i < nb_drivers; i++) {
1553                 sess_priv = get_asym_session_private_data(sess, i);
1554                 if (sess_priv != NULL)
1555                         return -EBUSY;
1556         }
1557
1558         /* Return session to mempool */
1559         sess_mp = rte_mempool_from_obj(sess);
1560         rte_mempool_put(sess_mp, sess);
1561
1562         rte_cryptodev_trace_asym_session_free(sess);
1563         return 0;
1564 }
1565
1566 unsigned int
1567 rte_cryptodev_sym_get_header_session_size(void)
1568 {
1569         /*
1570          * Header contains pointers to the private data of all registered
1571          * drivers and all necessary information to ensure safely clear
1572          * or free al session.
1573          */
1574         struct rte_cryptodev_sym_session s = {0};
1575
1576         s.nb_drivers = nb_drivers;
1577
1578         return (unsigned int)(sizeof(s) +
1579                         rte_cryptodev_sym_session_data_size(&s));
1580 }
1581
1582 unsigned int
1583 rte_cryptodev_sym_get_existing_header_session_size(
1584                 struct rte_cryptodev_sym_session *sess)
1585 {
1586         if (!sess)
1587                 return 0;
1588         else
1589                 return (unsigned int)(sizeof(*sess) +
1590                                 rte_cryptodev_sym_session_data_size(sess));
1591 }
1592
1593 unsigned int
1594 rte_cryptodev_asym_get_header_session_size(void)
1595 {
1596         /*
1597          * Header contains pointers to the private data
1598          * of all registered drivers, and a flag which
1599          * indicates presence of private data
1600          */
1601         return ((sizeof(void *) * nb_drivers) + sizeof(uint8_t));
1602 }
1603
1604 unsigned int
1605 rte_cryptodev_sym_get_private_session_size(uint8_t dev_id)
1606 {
1607         struct rte_cryptodev *dev;
1608         unsigned int priv_sess_size;
1609
1610         if (!rte_cryptodev_pmd_is_valid_dev(dev_id))
1611                 return 0;
1612
1613         dev = rte_cryptodev_pmd_get_dev(dev_id);
1614
1615         if (*dev->dev_ops->sym_session_get_size == NULL)
1616                 return 0;
1617
1618         priv_sess_size = (*dev->dev_ops->sym_session_get_size)(dev);
1619
1620         return priv_sess_size;
1621 }
1622
1623 unsigned int
1624 rte_cryptodev_asym_get_private_session_size(uint8_t dev_id)
1625 {
1626         struct rte_cryptodev *dev;
1627         unsigned int header_size = sizeof(void *) * nb_drivers;
1628         unsigned int priv_sess_size;
1629
1630         if (!rte_cryptodev_pmd_is_valid_dev(dev_id))
1631                 return 0;
1632
1633         dev = rte_cryptodev_pmd_get_dev(dev_id);
1634
1635         if (*dev->dev_ops->asym_session_get_size == NULL)
1636                 return 0;
1637
1638         priv_sess_size = (*dev->dev_ops->asym_session_get_size)(dev);
1639         if (priv_sess_size < header_size)
1640                 return header_size;
1641
1642         return priv_sess_size;
1643
1644 }
1645
1646 int
1647 rte_cryptodev_sym_session_set_user_data(
1648                                         struct rte_cryptodev_sym_session *sess,
1649                                         void *data,
1650                                         uint16_t size)
1651 {
1652         if (sess == NULL)
1653                 return -EINVAL;
1654
1655         if (sess->user_data_sz < size)
1656                 return -ENOMEM;
1657
1658         rte_memcpy(sess->sess_data + sess->nb_drivers, data, size);
1659         return 0;
1660 }
1661
1662 void *
1663 rte_cryptodev_sym_session_get_user_data(
1664                                         struct rte_cryptodev_sym_session *sess)
1665 {
1666         if (sess == NULL || sess->user_data_sz == 0)
1667                 return NULL;
1668
1669         return (void *)(sess->sess_data + sess->nb_drivers);
1670 }
1671
1672 static inline void
1673 sym_crypto_fill_status(struct rte_crypto_sym_vec *vec, int32_t errnum)
1674 {
1675         uint32_t i;
1676         for (i = 0; i < vec->num; i++)
1677                 vec->status[i] = errnum;
1678 }
1679
1680 uint32_t
1681 rte_cryptodev_sym_cpu_crypto_process(uint8_t dev_id,
1682         struct rte_cryptodev_sym_session *sess, union rte_crypto_sym_ofs ofs,
1683         struct rte_crypto_sym_vec *vec)
1684 {
1685         struct rte_cryptodev *dev;
1686
1687         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
1688                 sym_crypto_fill_status(vec, EINVAL);
1689                 return 0;
1690         }
1691
1692         dev = rte_cryptodev_pmd_get_dev(dev_id);
1693
1694         if (*dev->dev_ops->sym_cpu_process == NULL ||
1695                 !(dev->feature_flags & RTE_CRYPTODEV_FF_SYM_CPU_CRYPTO)) {
1696                 sym_crypto_fill_status(vec, ENOTSUP);
1697                 return 0;
1698         }
1699
1700         return dev->dev_ops->sym_cpu_process(dev, sess, ofs, vec);
1701 }
1702
1703 /** Initialise rte_crypto_op mempool element */
1704 static void
1705 rte_crypto_op_init(struct rte_mempool *mempool,
1706                 void *opaque_arg,
1707                 void *_op_data,
1708                 __rte_unused unsigned i)
1709 {
1710         struct rte_crypto_op *op = _op_data;
1711         enum rte_crypto_op_type type = *(enum rte_crypto_op_type *)opaque_arg;
1712
1713         memset(_op_data, 0, mempool->elt_size);
1714
1715         __rte_crypto_op_reset(op, type);
1716
1717         op->phys_addr = rte_mem_virt2iova(_op_data);
1718         op->mempool = mempool;
1719 }
1720
1721
1722 struct rte_mempool *
1723 rte_crypto_op_pool_create(const char *name, enum rte_crypto_op_type type,
1724                 unsigned nb_elts, unsigned cache_size, uint16_t priv_size,
1725                 int socket_id)
1726 {
1727         struct rte_crypto_op_pool_private *priv;
1728
1729         unsigned elt_size = sizeof(struct rte_crypto_op) +
1730                         priv_size;
1731
1732         if (type == RTE_CRYPTO_OP_TYPE_SYMMETRIC) {
1733                 elt_size += sizeof(struct rte_crypto_sym_op);
1734         } else if (type == RTE_CRYPTO_OP_TYPE_ASYMMETRIC) {
1735                 elt_size += sizeof(struct rte_crypto_asym_op);
1736         } else if (type == RTE_CRYPTO_OP_TYPE_UNDEFINED) {
1737                 elt_size += RTE_MAX(sizeof(struct rte_crypto_sym_op),
1738                                     sizeof(struct rte_crypto_asym_op));
1739         } else {
1740                 CDEV_LOG_ERR("Invalid op_type\n");
1741                 return NULL;
1742         }
1743
1744         /* lookup mempool in case already allocated */
1745         struct rte_mempool *mp = rte_mempool_lookup(name);
1746
1747         if (mp != NULL) {
1748                 priv = (struct rte_crypto_op_pool_private *)
1749                                 rte_mempool_get_priv(mp);
1750
1751                 if (mp->elt_size != elt_size ||
1752                                 mp->cache_size < cache_size ||
1753                                 mp->size < nb_elts ||
1754                                 priv->priv_size <  priv_size) {
1755                         mp = NULL;
1756                         CDEV_LOG_ERR("Mempool %s already exists but with "
1757                                         "incompatible parameters", name);
1758                         return NULL;
1759                 }
1760                 return mp;
1761         }
1762
1763         mp = rte_mempool_create(
1764                         name,
1765                         nb_elts,
1766                         elt_size,
1767                         cache_size,
1768                         sizeof(struct rte_crypto_op_pool_private),
1769                         NULL,
1770                         NULL,
1771                         rte_crypto_op_init,
1772                         &type,
1773                         socket_id,
1774                         0);
1775
1776         if (mp == NULL) {
1777                 CDEV_LOG_ERR("Failed to create mempool %s", name);
1778                 return NULL;
1779         }
1780
1781         priv = (struct rte_crypto_op_pool_private *)
1782                         rte_mempool_get_priv(mp);
1783
1784         priv->priv_size = priv_size;
1785         priv->type = type;
1786
1787         return mp;
1788 }
1789
1790 int
1791 rte_cryptodev_pmd_create_dev_name(char *name, const char *dev_name_prefix)
1792 {
1793         struct rte_cryptodev *dev = NULL;
1794         uint32_t i = 0;
1795
1796         if (name == NULL)
1797                 return -EINVAL;
1798
1799         for (i = 0; i < RTE_CRYPTO_MAX_DEVS; i++) {
1800                 int ret = snprintf(name, RTE_CRYPTODEV_NAME_MAX_LEN,
1801                                 "%s_%u", dev_name_prefix, i);
1802
1803                 if (ret < 0)
1804                         return ret;
1805
1806                 dev = rte_cryptodev_pmd_get_named_dev(name);
1807                 if (!dev)
1808                         return 0;
1809         }
1810
1811         return -1;
1812 }
1813
1814 TAILQ_HEAD(cryptodev_driver_list, cryptodev_driver);
1815
1816 static struct cryptodev_driver_list cryptodev_driver_list =
1817         TAILQ_HEAD_INITIALIZER(cryptodev_driver_list);
1818
1819 int
1820 rte_cryptodev_driver_id_get(const char *name)
1821 {
1822         struct cryptodev_driver *driver;
1823         const char *driver_name;
1824
1825         if (name == NULL) {
1826                 RTE_LOG(DEBUG, CRYPTODEV, "name pointer NULL");
1827                 return -1;
1828         }
1829
1830         TAILQ_FOREACH(driver, &cryptodev_driver_list, next) {
1831                 driver_name = driver->driver->name;
1832                 if (strncmp(driver_name, name, strlen(driver_name) + 1) == 0)
1833                         return driver->id;
1834         }
1835         return -1;
1836 }
1837
1838 const char *
1839 rte_cryptodev_name_get(uint8_t dev_id)
1840 {
1841         struct rte_cryptodev *dev;
1842
1843         if (!rte_cryptodev_is_valid_device_data(dev_id)) {
1844                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
1845                 return NULL;
1846         }
1847
1848         dev = rte_cryptodev_pmd_get_dev(dev_id);
1849         if (dev == NULL)
1850                 return NULL;
1851
1852         return dev->data->name;
1853 }
1854
1855 const char *
1856 rte_cryptodev_driver_name_get(uint8_t driver_id)
1857 {
1858         struct cryptodev_driver *driver;
1859
1860         TAILQ_FOREACH(driver, &cryptodev_driver_list, next)
1861                 if (driver->id == driver_id)
1862                         return driver->driver->name;
1863         return NULL;
1864 }
1865
1866 uint8_t
1867 rte_cryptodev_allocate_driver(struct cryptodev_driver *crypto_drv,
1868                 const struct rte_driver *drv)
1869 {
1870         crypto_drv->driver = drv;
1871         crypto_drv->id = nb_drivers;
1872
1873         TAILQ_INSERT_TAIL(&cryptodev_driver_list, crypto_drv, next);
1874
1875         return nb_drivers++;
1876 }