lib/librte_cryptodev/rte_cryptodev.c

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2015-2020 Intel Corporation
   3  */
   4
   5 #include <sys/types.h>
   6 #include <sys/queue.h>
   7 #include <ctype.h>
   8 #include <stdio.h>
   9 #include <stdlib.h>
  10 #include <string.h>
  11 #include <stdarg.h>
  12 #include <errno.h>
  13 #include <stdint.h>
  14 #include <inttypes.h>
  15 #include <netinet/in.h>
  16
  17 #include <rte_byteorder.h>
  18 #include <rte_log.h>
  19 #include <rte_debug.h>
  20 #include <rte_dev.h>
  21 #include <rte_interrupts.h>
  22 #include <rte_memory.h>
  23 #include <rte_memcpy.h>
  24 #include <rte_memzone.h>
  25 #include <rte_launch.h>
  26 #include <rte_tailq.h>
  27 #include <rte_eal.h>
  28 #include <rte_per_lcore.h>
  29 #include <rte_lcore.h>
  30 #include <rte_atomic.h>
  31 #include <rte_branch_prediction.h>
  32 #include <rte_common.h>
  33 #include <rte_mempool.h>
  34 #include <rte_malloc.h>
  35 #include <rte_mbuf.h>
  36 #include <rte_errno.h>
  37 #include <rte_spinlock.h>
  38 #include <rte_string_fns.h>
  39
  40 #include "rte_crypto.h"
  41 #include "rte_cryptodev.h"
  42 #include "rte_cryptodev_pmd.h"
  43
  44 static uint8_t nb_drivers;
  45
  46 static struct rte_cryptodev rte_crypto_devices[RTE_CRYPTO_MAX_DEVS];
  47
  48 struct rte_cryptodev *rte_cryptodevs = rte_crypto_devices;
  49
  50 static struct rte_cryptodev_global cryptodev_globals = {
  51                 .devs                   = rte_crypto_devices,
  52                 .data                   = { NULL },
  53                 .nb_devs                = 0
  54 };
  55
  56 /* spinlock for crypto device callbacks */
  57 static rte_spinlock_t rte_cryptodev_cb_lock = RTE_SPINLOCK_INITIALIZER;
  58
  59
  60 /**
  61  * The user application callback description.
  62  *
  63  * It contains callback address to be registered by user application,
  64  * the pointer to the parameters for callback, and the event type.
  65  */
  66 struct rte_cryptodev_callback {
  67         TAILQ_ENTRY(rte_cryptodev_callback) next; /**< Callbacks list */
  68         rte_cryptodev_cb_fn cb_fn;              /**< Callback address */
  69         void *cb_arg;                           /**< Parameter for callback */
  70         enum rte_cryptodev_event_type event;    /**< Interrupt event type */
  71         uint32_t active;                        /**< Callback is executing */
  72 };
  73
  74 /**
  75  * The crypto cipher algorithm strings identifiers.
  76  * It could be used in application command line.
  77  */
  78 const char *
  79 rte_crypto_cipher_algorithm_strings[] = {
  80         [RTE_CRYPTO_CIPHER_3DES_CBC]    = "3des-cbc",
  81         [RTE_CRYPTO_CIPHER_3DES_ECB]    = "3des-ecb",
  82         [RTE_CRYPTO_CIPHER_3DES_CTR]    = "3des-ctr",
  83
  84         [RTE_CRYPTO_CIPHER_AES_CBC]     = "aes-cbc",
  85         [RTE_CRYPTO_CIPHER_AES_CTR]     = "aes-ctr",
  86         [RTE_CRYPTO_CIPHER_AES_DOCSISBPI]       = "aes-docsisbpi",
  87         [RTE_CRYPTO_CIPHER_AES_ECB]     = "aes-ecb",
  88         [RTE_CRYPTO_CIPHER_AES_F8]      = "aes-f8",
  89         [RTE_CRYPTO_CIPHER_AES_XTS]     = "aes-xts",
  90
  91         [RTE_CRYPTO_CIPHER_ARC4]        = "arc4",
  92
  93         [RTE_CRYPTO_CIPHER_DES_CBC]     = "des-cbc",
  94         [RTE_CRYPTO_CIPHER_DES_DOCSISBPI]       = "des-docsisbpi",
  95
  96         [RTE_CRYPTO_CIPHER_NULL]        = "null",
  97
  98         [RTE_CRYPTO_CIPHER_KASUMI_F8]   = "kasumi-f8",
  99         [RTE_CRYPTO_CIPHER_SNOW3G_UEA2] = "snow3g-uea2",
 100         [RTE_CRYPTO_CIPHER_ZUC_EEA3]    = "zuc-eea3"
 101 };
 102
 103 /**
 104  * The crypto cipher operation strings identifiers.
 105  * It could be used in application command line.
 106  */
 107 const char *
 108 rte_crypto_cipher_operation_strings[] = {
 109                 [RTE_CRYPTO_CIPHER_OP_ENCRYPT]  = "encrypt",
 110                 [RTE_CRYPTO_CIPHER_OP_DECRYPT]  = "decrypt"
 111 };
 112
 113 /**
 114  * The crypto auth algorithm strings identifiers.
 115  * It could be used in application command line.
 116  */
 117 const char *
 118 rte_crypto_auth_algorithm_strings[] = {
 119         [RTE_CRYPTO_AUTH_AES_CBC_MAC]   = "aes-cbc-mac",
 120         [RTE_CRYPTO_AUTH_AES_CMAC]      = "aes-cmac",
 121         [RTE_CRYPTO_AUTH_AES_GMAC]      = "aes-gmac",
 122         [RTE_CRYPTO_AUTH_AES_XCBC_MAC]  = "aes-xcbc-mac",
 123
 124         [RTE_CRYPTO_AUTH_MD5]           = "md5",
 125         [RTE_CRYPTO_AUTH_MD5_HMAC]      = "md5-hmac",
 126
 127         [RTE_CRYPTO_AUTH_NULL]          = "null",
 128
 129         [RTE_CRYPTO_AUTH_SHA1]          = "sha1",
 130         [RTE_CRYPTO_AUTH_SHA1_HMAC]     = "sha1-hmac",
 131
 132         [RTE_CRYPTO_AUTH_SHA224]        = "sha2-224",
 133         [RTE_CRYPTO_AUTH_SHA224_HMAC]   = "sha2-224-hmac",
 134         [RTE_CRYPTO_AUTH_SHA256]        = "sha2-256",
 135         [RTE_CRYPTO_AUTH_SHA256_HMAC]   = "sha2-256-hmac",
 136         [RTE_CRYPTO_AUTH_SHA384]        = "sha2-384",
 137         [RTE_CRYPTO_AUTH_SHA384_HMAC]   = "sha2-384-hmac",
 138         [RTE_CRYPTO_AUTH_SHA512]        = "sha2-512",
 139         [RTE_CRYPTO_AUTH_SHA512_HMAC]   = "sha2-512-hmac",
 140
 141         [RTE_CRYPTO_AUTH_KASUMI_F9]     = "kasumi-f9",
 142         [RTE_CRYPTO_AUTH_SNOW3G_UIA2]   = "snow3g-uia2",
 143         [RTE_CRYPTO_AUTH_ZUC_EIA3]      = "zuc-eia3"
 144 };
 145
 146 /**
 147  * The crypto AEAD algorithm strings identifiers.
 148  * It could be used in application command line.
 149  */
 150 const char *
 151 rte_crypto_aead_algorithm_strings[] = {
 152         [RTE_CRYPTO_AEAD_AES_CCM]       = "aes-ccm",
 153         [RTE_CRYPTO_AEAD_AES_GCM]       = "aes-gcm",
 154 };
 155
 156 /**
 157  * The crypto AEAD operation strings identifiers.
 158  * It could be used in application command line.
 159  */
 160 const char *
 161 rte_crypto_aead_operation_strings[] = {
 162         [RTE_CRYPTO_AEAD_OP_ENCRYPT]    = "encrypt",
 163         [RTE_CRYPTO_AEAD_OP_DECRYPT]    = "decrypt"
 164 };
 165
 166 /**
 167  * Asymmetric crypto transform operation strings identifiers.
 168  */
 169 const char *rte_crypto_asym_xform_strings[] = {
 170         [RTE_CRYPTO_ASYM_XFORM_NONE]    = "none",
 171         [RTE_CRYPTO_ASYM_XFORM_RSA]     = "rsa",
 172         [RTE_CRYPTO_ASYM_XFORM_MODEX]   = "modexp",
 173         [RTE_CRYPTO_ASYM_XFORM_MODINV]  = "modinv",
 174         [RTE_CRYPTO_ASYM_XFORM_DH]      = "dh",
 175         [RTE_CRYPTO_ASYM_XFORM_DSA]     = "dsa",
 176         [RTE_CRYPTO_ASYM_XFORM_ECDSA]   = "ecdsa",
 177         [RTE_CRYPTO_ASYM_XFORM_ECPM]    = "ecpm",
 178 };
 179
 180 /**
 181  * Asymmetric crypto operation strings identifiers.
 182  */
 183 const char *rte_crypto_asym_op_strings[] = {
 184         [RTE_CRYPTO_ASYM_OP_ENCRYPT]    = "encrypt",
 185         [RTE_CRYPTO_ASYM_OP_DECRYPT]    = "decrypt",
 186         [RTE_CRYPTO_ASYM_OP_SIGN]       = "sign",
 187         [RTE_CRYPTO_ASYM_OP_VERIFY]     = "verify",
 188         [RTE_CRYPTO_ASYM_OP_PRIVATE_KEY_GENERATE]       = "priv_key_generate",
 189         [RTE_CRYPTO_ASYM_OP_PUBLIC_KEY_GENERATE] = "pub_key_generate",
 190         [RTE_CRYPTO_ASYM_OP_SHARED_SECRET_COMPUTE] = "sharedsecret_compute",
 191 };
 192
 193 /**
 194  * The private data structure stored in the session mempool private data.
 195  */
 196 struct rte_cryptodev_sym_session_pool_private_data {
 197         uint16_t nb_drivers;
 198         /**< number of elements in sess_data array */
 199         uint16_t user_data_sz;
 200         /**< session user data will be placed after sess_data */
 201 };
 202
 203 int
 204 rte_cryptodev_get_cipher_algo_enum(enum rte_crypto_cipher_algorithm *algo_enum,
 205                 const char *algo_string)
 206 {
 207         unsigned int i;
 208
 209         for (i = 1; i < RTE_DIM(rte_crypto_cipher_algorithm_strings); i++) {
 210                 if (strcmp(algo_string, rte_crypto_cipher_algorithm_strings[i]) == 0) {
 211                         *algo_enum = (enum rte_crypto_cipher_algorithm) i;
 212                         return 0;
 213                 }
 214         }
 215
 216         /* Invalid string */
 217         return -1;
 218 }
 219
 220 int
 221 rte_cryptodev_get_auth_algo_enum(enum rte_crypto_auth_algorithm *algo_enum,
 222                 const char *algo_string)
 223 {
 224         unsigned int i;
 225
 226         for (i = 1; i < RTE_DIM(rte_crypto_auth_algorithm_strings); i++) {
 227                 if (strcmp(algo_string, rte_crypto_auth_algorithm_strings[i]) == 0) {
 228                         *algo_enum = (enum rte_crypto_auth_algorithm) i;
 229                         return 0;
 230                 }
 231         }
 232
 233         /* Invalid string */
 234         return -1;
 235 }
 236
 237 int
 238 rte_cryptodev_get_aead_algo_enum(enum rte_crypto_aead_algorithm *algo_enum,
 239                 const char *algo_string)
 240 {
 241         unsigned int i;
 242
 243         for (i = 1; i < RTE_DIM(rte_crypto_aead_algorithm_strings); i++) {
 244                 if (strcmp(algo_string, rte_crypto_aead_algorithm_strings[i]) == 0) {
 245                         *algo_enum = (enum rte_crypto_aead_algorithm) i;
 246                         return 0;
 247                 }
 248         }
 249
 250         /* Invalid string */
 251         return -1;
 252 }
 253
 254 int
 255 rte_cryptodev_asym_get_xform_enum(enum rte_crypto_asym_xform_type *xform_enum,
 256                 const char *xform_string)
 257 {
 258         unsigned int i;
 259
 260         for (i = 1; i < RTE_DIM(rte_crypto_asym_xform_strings); i++) {
 261                 if (strcmp(xform_string,
 262                         rte_crypto_asym_xform_strings[i]) == 0) {
 263                         *xform_enum = (enum rte_crypto_asym_xform_type) i;
 264                         return 0;
 265                 }
 266         }
 267
 268         /* Invalid string */
 269         return -1;
 270 }
 271
 272 /**
 273  * The crypto auth operation strings identifiers.
 274  * It could be used in application command line.
 275  */
 276 const char *
 277 rte_crypto_auth_operation_strings[] = {
 278                 [RTE_CRYPTO_AUTH_OP_VERIFY]     = "verify",
 279                 [RTE_CRYPTO_AUTH_OP_GENERATE]   = "generate"
 280 };
 281
 282 const struct rte_cryptodev_symmetric_capability *
 283 rte_cryptodev_sym_capability_get(uint8_t dev_id,
 284                 const struct rte_cryptodev_sym_capability_idx *idx)
 285 {
 286         const struct rte_cryptodev_capabilities *capability;
 287         struct rte_cryptodev_info dev_info;
 288         int i = 0;
 289
 290         rte_cryptodev_info_get(dev_id, &dev_info);
 291
 292         while ((capability = &dev_info.capabilities[i++])->op !=
 293                         RTE_CRYPTO_OP_TYPE_UNDEFINED) {
 294                 if (capability->op != RTE_CRYPTO_OP_TYPE_SYMMETRIC)
 295                         continue;
 296
 297                 if (capability->sym.xform_type != idx->type)
 298                         continue;
 299
 300                 if (idx->type == RTE_CRYPTO_SYM_XFORM_AUTH &&
 301                         capability->sym.auth.algo == idx->algo.auth)
 302                         return &capability->sym;
 303
 304                 if (idx->type == RTE_CRYPTO_SYM_XFORM_CIPHER &&
 305                         capability->sym.cipher.algo == idx->algo.cipher)
 306                         return &capability->sym;
 307
 308                 if (idx->type == RTE_CRYPTO_SYM_XFORM_AEAD &&
 309                                 capability->sym.aead.algo == idx->algo.aead)
 310                         return &capability->sym;
 311         }
 312
 313         return NULL;
 314
 315 }
 316
 317 static int
 318 param_range_check(uint16_t size, const struct rte_crypto_param_range *range)
 319 {
 320         unsigned int next_size;
 321
 322         /* Check lower/upper bounds */
 323         if (size < range->min)
 324                 return -1;
 325
 326         if (size > range->max)
 327                 return -1;
 328
 329         /* If range is actually only one value, size is correct */
 330         if (range->increment == 0)
 331                 return 0;
 332
 333         /* Check if value is one of the supported sizes */
 334         for (next_size = range->min; next_size <= range->max;
 335                         next_size += range->increment)
 336                 if (size == next_size)
 337                         return 0;
 338
 339         return -1;
 340 }
 341
 342 const struct rte_cryptodev_asymmetric_xform_capability *
 343 rte_cryptodev_asym_capability_get(uint8_t dev_id,
 344                 const struct rte_cryptodev_asym_capability_idx *idx)
 345 {
 346         const struct rte_cryptodev_capabilities *capability;
 347         struct rte_cryptodev_info dev_info;
 348         unsigned int i = 0;
 349
 350         memset(&dev_info, 0, sizeof(struct rte_cryptodev_info));
 351         rte_cryptodev_info_get(dev_id, &dev_info);
 352
 353         while ((capability = &dev_info.capabilities[i++])->op !=
 354                         RTE_CRYPTO_OP_TYPE_UNDEFINED) {
 355                 if (capability->op != RTE_CRYPTO_OP_TYPE_ASYMMETRIC)
 356                         continue;
 357
 358                 if (capability->asym.xform_capa.xform_type == idx->type)
 359                         return &capability->asym.xform_capa;
 360         }
 361         return NULL;
 362 };
 363
 364 int
 365 rte_cryptodev_sym_capability_check_cipher(
 366                 const struct rte_cryptodev_symmetric_capability *capability,
 367                 uint16_t key_size, uint16_t iv_size)
 368 {
 369         if (param_range_check(key_size, &capability->cipher.key_size) != 0)
 370                 return -1;
 371
 372         if (param_range_check(iv_size, &capability->cipher.iv_size) != 0)
 373                 return -1;
 374
 375         return 0;
 376 }
 377
 378 int
 379 rte_cryptodev_sym_capability_check_auth(
 380                 const struct rte_cryptodev_symmetric_capability *capability,
 381                 uint16_t key_size, uint16_t digest_size, uint16_t iv_size)
 382 {
 383         if (param_range_check(key_size, &capability->auth.key_size) != 0)
 384                 return -1;
 385
 386         if (param_range_check(digest_size, &capability->auth.digest_size) != 0)
 387                 return -1;
 388
 389         if (param_range_check(iv_size, &capability->auth.iv_size) != 0)
 390                 return -1;
 391
 392         return 0;
 393 }
 394
 395 int
 396 rte_cryptodev_sym_capability_check_aead(
 397                 const struct rte_cryptodev_symmetric_capability *capability,
 398                 uint16_t key_size, uint16_t digest_size, uint16_t aad_size,
 399                 uint16_t iv_size)
 400 {
 401         if (param_range_check(key_size, &capability->aead.key_size) != 0)
 402                 return -1;
 403
 404         if (param_range_check(digest_size, &capability->aead.digest_size) != 0)
 405                 return -1;
 406
 407         if (param_range_check(aad_size, &capability->aead.aad_size) != 0)
 408                 return -1;
 409
 410         if (param_range_check(iv_size, &capability->aead.iv_size) != 0)
 411                 return -1;
 412
 413         return 0;
 414 }
 415 int
 416 rte_cryptodev_asym_xform_capability_check_optype(
 417         const struct rte_cryptodev_asymmetric_xform_capability *capability,
 418         enum rte_crypto_asym_op_type op_type)
 419 {
 420         if (capability->op_types & (1 << op_type))
 421                 return 1;
 422
 423         return 0;
 424 }
 425
 426 int
 427 rte_cryptodev_asym_xform_capability_check_modlen(
 428         const struct rte_cryptodev_asymmetric_xform_capability *capability,
 429         uint16_t modlen)
 430 {
 431         /* no need to check for limits, if min or max = 0 */
 432         if (capability->modlen.min != 0) {
 433                 if (modlen < capability->modlen.min)
 434                         return -1;
 435         }
 436
 437         if (capability->modlen.max != 0) {
 438                 if (modlen > capability->modlen.max)
 439                         return -1;
 440         }
 441
 442         /* in any case, check if given modlen is module increment */
 443         if (capability->modlen.increment != 0) {
 444                 if (modlen % (capability->modlen.increment))
 445                         return -1;
 446         }
 447
 448         return 0;
 449 }
 450
 451
 452 const char *
 453 rte_cryptodev_get_feature_name(uint64_t flag)
 454 {
 455         switch (flag) {
 456         case RTE_CRYPTODEV_FF_SYMMETRIC_CRYPTO:
 457                 return "SYMMETRIC_CRYPTO";
 458         case RTE_CRYPTODEV_FF_ASYMMETRIC_CRYPTO:
 459                 return "ASYMMETRIC_CRYPTO";
 460         case RTE_CRYPTODEV_FF_SYM_OPERATION_CHAINING:
 461                 return "SYM_OPERATION_CHAINING";
 462         case RTE_CRYPTODEV_FF_CPU_SSE:
 463                 return "CPU_SSE";
 464         case RTE_CRYPTODEV_FF_CPU_AVX:
 465                 return "CPU_AVX";
 466         case RTE_CRYPTODEV_FF_CPU_AVX2:
 467                 return "CPU_AVX2";
 468         case RTE_CRYPTODEV_FF_CPU_AVX512:
 469                 return "CPU_AVX512";
 470         case RTE_CRYPTODEV_FF_CPU_AESNI:
 471                 return "CPU_AESNI";
 472         case RTE_CRYPTODEV_FF_HW_ACCELERATED:
 473                 return "HW_ACCELERATED";
 474         case RTE_CRYPTODEV_FF_IN_PLACE_SGL:
 475                 return "IN_PLACE_SGL";
 476         case RTE_CRYPTODEV_FF_OOP_SGL_IN_SGL_OUT:
 477                 return "OOP_SGL_IN_SGL_OUT";
 478         case RTE_CRYPTODEV_FF_OOP_SGL_IN_LB_OUT:
 479                 return "OOP_SGL_IN_LB_OUT";
 480         case RTE_CRYPTODEV_FF_OOP_LB_IN_SGL_OUT:
 481                 return "OOP_LB_IN_SGL_OUT";
 482         case RTE_CRYPTODEV_FF_OOP_LB_IN_LB_OUT:
 483                 return "OOP_LB_IN_LB_OUT";
 484         case RTE_CRYPTODEV_FF_CPU_NEON:
 485                 return "CPU_NEON";
 486         case RTE_CRYPTODEV_FF_CPU_ARM_CE:
 487                 return "CPU_ARM_CE";
 488         case RTE_CRYPTODEV_FF_SECURITY:
 489                 return "SECURITY_PROTOCOL";
 490         case RTE_CRYPTODEV_FF_RSA_PRIV_OP_KEY_EXP:
 491                 return "RSA_PRIV_OP_KEY_EXP";
 492         case RTE_CRYPTODEV_FF_RSA_PRIV_OP_KEY_QT:
 493                 return "RSA_PRIV_OP_KEY_QT";
 494         case RTE_CRYPTODEV_FF_DIGEST_ENCRYPTED:
 495                 return "DIGEST_ENCRYPTED";
 496         case RTE_CRYPTODEV_FF_SYM_CPU_CRYPTO:
 497                 return "SYM_CPU_CRYPTO";
 498         default:
 499                 return NULL;
 500         }
 501 }
 502
 503 struct rte_cryptodev *
 504 rte_cryptodev_pmd_get_dev(uint8_t dev_id)
 505 {
 506         return &cryptodev_globals.devs[dev_id];
 507 }
 508
 509 struct rte_cryptodev *
 510 rte_cryptodev_pmd_get_named_dev(const char *name)
 511 {
 512         struct rte_cryptodev *dev;
 513         unsigned int i;
 514
 515         if (name == NULL)
 516                 return NULL;
 517
 518         for (i = 0; i < RTE_CRYPTO_MAX_DEVS; i++) {
 519                 dev = &cryptodev_globals.devs[i];
 520
 521                 if ((dev->attached == RTE_CRYPTODEV_ATTACHED) &&
 522                                 (strcmp(dev->data->name, name) == 0))
 523                         return dev;
 524         }
 525
 526         return NULL;
 527 }
 528
 529 static inline uint8_t
 530 rte_cryptodev_is_valid_device_data(uint8_t dev_id)
 531 {
 532         if (dev_id >= RTE_CRYPTO_MAX_DEVS ||
 533                         rte_crypto_devices[dev_id].data == NULL)
 534                 return 0;
 535
 536         return 1;
 537 }
 538
 539 unsigned int
 540 rte_cryptodev_pmd_is_valid_dev(uint8_t dev_id)
 541 {
 542         struct rte_cryptodev *dev = NULL;
 543
 544         if (!rte_cryptodev_is_valid_device_data(dev_id))
 545                 return 0;
 546
 547         dev = rte_cryptodev_pmd_get_dev(dev_id);
 548         if (dev->attached != RTE_CRYPTODEV_ATTACHED)
 549                 return 0;
 550         else
 551                 return 1;
 552 }
 553
 554
 555 int
 556 rte_cryptodev_get_dev_id(const char *name)
 557 {
 558         unsigned i;
 559
 560         if (name == NULL)
 561                 return -1;
 562
 563         for (i = 0; i < RTE_CRYPTO_MAX_DEVS; i++) {
 564                 if (!rte_cryptodev_is_valid_device_data(i))
 565                         continue;
 566                 if ((strcmp(cryptodev_globals.devs[i].data->name, name)
 567                                 == 0) &&
 568                                 (cryptodev_globals.devs[i].attached ==
 569                                                 RTE_CRYPTODEV_ATTACHED))
 570                         return i;
 571         }
 572
 573         return -1;
 574 }
 575
 576 uint8_t
 577 rte_cryptodev_count(void)
 578 {
 579         return cryptodev_globals.nb_devs;
 580 }
 581
 582 uint8_t
 583 rte_cryptodev_device_count_by_driver(uint8_t driver_id)
 584 {
 585         uint8_t i, dev_count = 0;
 586
 587         for (i = 0; i < RTE_CRYPTO_MAX_DEVS; i++)
 588                 if (cryptodev_globals.devs[i].driver_id == driver_id &&
 589                         cryptodev_globals.devs[i].attached ==
 590                                         RTE_CRYPTODEV_ATTACHED)
 591                         dev_count++;
 592
 593         return dev_count;
 594 }
 595
 596 uint8_t
 597 rte_cryptodev_devices_get(const char *driver_name, uint8_t *devices,
 598         uint8_t nb_devices)
 599 {
 600         uint8_t i, count = 0;
 601         struct rte_cryptodev *devs = cryptodev_globals.devs;
 602
 603         for (i = 0; i < RTE_CRYPTO_MAX_DEVS && count < nb_devices; i++) {
 604                 if (!rte_cryptodev_is_valid_device_data(i))
 605                         continue;
 606
 607                 if (devs[i].attached == RTE_CRYPTODEV_ATTACHED) {
 608                         int cmp;
 609
 610                         cmp = strncmp(devs[i].device->driver->name,
 611                                         driver_name,
 612                                         strlen(driver_name) + 1);
 613
 614                         if (cmp == 0)
 615                                 devices[count++] = devs[i].data->dev_id;
 616                 }
 617         }
 618
 619         return count;
 620 }
 621
 622 void *
 623 rte_cryptodev_get_sec_ctx(uint8_t dev_id)
 624 {
 625         if (dev_id < RTE_CRYPTO_MAX_DEVS &&
 626                         (rte_crypto_devices[dev_id].feature_flags &
 627                         RTE_CRYPTODEV_FF_SECURITY))
 628                 return rte_crypto_devices[dev_id].security_ctx;
 629
 630         return NULL;
 631 }
 632
 633 int
 634 rte_cryptodev_socket_id(uint8_t dev_id)
 635 {
 636         struct rte_cryptodev *dev;
 637
 638         if (!rte_cryptodev_pmd_is_valid_dev(dev_id))
 639                 return -1;
 640
 641         dev = rte_cryptodev_pmd_get_dev(dev_id);
 642
 643         return dev->data->socket_id;
 644 }
 645
 646 static inline int
 647 rte_cryptodev_data_alloc(uint8_t dev_id, struct rte_cryptodev_data **data,
 648                 int socket_id)
 649 {
 650         char mz_name[RTE_MEMZONE_NAMESIZE];
 651         const struct rte_memzone *mz;
 652         int n;
 653
 654         /* generate memzone name */
 655         n = snprintf(mz_name, sizeof(mz_name), "rte_cryptodev_data_%u", dev_id);
 656         if (n >= (int)sizeof(mz_name))
 657                 return -EINVAL;
 658
 659         if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
 660                 mz = rte_memzone_reserve(mz_name,
 661                                 sizeof(struct rte_cryptodev_data),
 662                                 socket_id, 0);
 663         } else
 664                 mz = rte_memzone_lookup(mz_name);
 665
 666         if (mz == NULL)
 667                 return -ENOMEM;
 668
 669         *data = mz->addr;
 670         if (rte_eal_process_type() == RTE_PROC_PRIMARY)
 671                 memset(*data, 0, sizeof(struct rte_cryptodev_data));
 672
 673         return 0;
 674 }
 675
 676 static inline int
 677 rte_cryptodev_data_free(uint8_t dev_id, struct rte_cryptodev_data **data)
 678 {
 679         char mz_name[RTE_MEMZONE_NAMESIZE];
 680         const struct rte_memzone *mz;
 681         int n;
 682
 683         /* generate memzone name */
 684         n = snprintf(mz_name, sizeof(mz_name), "rte_cryptodev_data_%u", dev_id);
 685         if (n >= (int)sizeof(mz_name))
 686                 return -EINVAL;
 687
 688         mz = rte_memzone_lookup(mz_name);
 689         if (mz == NULL)
 690                 return -ENOMEM;
 691
 692         RTE_ASSERT(*data == mz->addr);
 693         *data = NULL;
 694
 695         if (rte_eal_process_type() == RTE_PROC_PRIMARY)
 696                 return rte_memzone_free(mz);
 697
 698         return 0;
 699 }
 700
 701 static uint8_t
 702 rte_cryptodev_find_free_device_index(void)
 703 {
 704         uint8_t dev_id;
 705
 706         for (dev_id = 0; dev_id < RTE_CRYPTO_MAX_DEVS; dev_id++) {
 707                 if (rte_crypto_devices[dev_id].attached ==
 708                                 RTE_CRYPTODEV_DETACHED)
 709                         return dev_id;
 710         }
 711         return RTE_CRYPTO_MAX_DEVS;
 712 }
 713
 714 struct rte_cryptodev *
 715 rte_cryptodev_pmd_allocate(const char *name, int socket_id)
 716 {
 717         struct rte_cryptodev *cryptodev;
 718         uint8_t dev_id;
 719
 720         if (rte_cryptodev_pmd_get_named_dev(name) != NULL) {
 721                 CDEV_LOG_ERR("Crypto device with name %s already "
 722                                 "allocated!", name);
 723                 return NULL;
 724         }
 725
 726         dev_id = rte_cryptodev_find_free_device_index();
 727         if (dev_id == RTE_CRYPTO_MAX_DEVS) {
 728                 CDEV_LOG_ERR("Reached maximum number of crypto devices");
 729                 return NULL;
 730         }
 731
 732         cryptodev = rte_cryptodev_pmd_get_dev(dev_id);
 733
 734         if (cryptodev->data == NULL) {
 735                 struct rte_cryptodev_data **cryptodev_data =
 736                                 &cryptodev_globals.data[dev_id];
 737
 738                 int retval = rte_cryptodev_data_alloc(dev_id, cryptodev_data,
 739                                 socket_id);
 740
 741                 if (retval < 0 || *cryptodev_data == NULL)
 742                         return NULL;
 743
 744                 cryptodev->data = *cryptodev_data;
 745
 746                 if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
 747                         strlcpy(cryptodev->data->name, name,
 748                                 RTE_CRYPTODEV_NAME_MAX_LEN);
 749
 750                         cryptodev->data->dev_id = dev_id;
 751                         cryptodev->data->socket_id = socket_id;
 752                         cryptodev->data->dev_started = 0;
 753                 }
 754
 755                 /* init user callbacks */
 756                 TAILQ_INIT(&(cryptodev->link_intr_cbs));
 757
 758                 cryptodev->attached = RTE_CRYPTODEV_ATTACHED;
 759
 760                 cryptodev_globals.nb_devs++;
 761         }
 762
 763         return cryptodev;
 764 }
 765
 766 int
 767 rte_cryptodev_pmd_release_device(struct rte_cryptodev *cryptodev)
 768 {
 769         int ret;
 770         uint8_t dev_id;
 771
 772         if (cryptodev == NULL)
 773                 return -EINVAL;
 774
 775         dev_id = cryptodev->data->dev_id;
 776
 777         /* Close device only if device operations have been set */
 778         if (cryptodev->dev_ops) {
 779                 ret = rte_cryptodev_close(dev_id);
 780                 if (ret < 0)
 781                         return ret;
 782         }
 783
 784         ret = rte_cryptodev_data_free(dev_id, &cryptodev_globals.data[dev_id]);
 785         if (ret < 0)
 786                 return ret;
 787
 788         cryptodev->attached = RTE_CRYPTODEV_DETACHED;
 789         cryptodev_globals.nb_devs--;
 790         return 0;
 791 }
 792
 793 uint16_t
 794 rte_cryptodev_queue_pair_count(uint8_t dev_id)
 795 {
 796         struct rte_cryptodev *dev;
 797
 798         if (!rte_cryptodev_is_valid_device_data(dev_id)) {
 799                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
 800                 return 0;
 801         }
 802
 803         dev = &rte_crypto_devices[dev_id];
 804         return dev->data->nb_queue_pairs;
 805 }
 806
 807 static int
 808 rte_cryptodev_queue_pairs_config(struct rte_cryptodev *dev, uint16_t nb_qpairs,
 809                 int socket_id)
 810 {
 811         struct rte_cryptodev_info dev_info;
 812         void **qp;
 813         unsigned i;
 814
 815         if ((dev == NULL) || (nb_qpairs < 1)) {
 816                 CDEV_LOG_ERR("invalid param: dev %p, nb_queues %u",
 817                                                         dev, nb_qpairs);
 818                 return -EINVAL;
 819         }
 820
 821         CDEV_LOG_DEBUG("Setup %d queues pairs on device %u",
 822                         nb_qpairs, dev->data->dev_id);
 823
 824         memset(&dev_info, 0, sizeof(struct rte_cryptodev_info));
 825
 826         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_infos_get, -ENOTSUP);
 827         (*dev->dev_ops->dev_infos_get)(dev, &dev_info);
 828
 829         if (nb_qpairs > (dev_info.max_nb_queue_pairs)) {
 830                 CDEV_LOG_ERR("Invalid num queue_pairs (%u) for dev %u",
 831                                 nb_qpairs, dev->data->dev_id);
 832             return -EINVAL;
 833         }
 834
 835         if (dev->data->queue_pairs == NULL) { /* first time configuration */
 836                 dev->data->queue_pairs = rte_zmalloc_socket(
 837                                 "cryptodev->queue_pairs",
 838                                 sizeof(dev->data->queue_pairs[0]) * nb_qpairs,
 839                                 RTE_CACHE_LINE_SIZE, socket_id);
 840
 841                 if (dev->data->queue_pairs == NULL) {
 842                         dev->data->nb_queue_pairs = 0;
 843                         CDEV_LOG_ERR("failed to get memory for qp meta data, "
 844                                                         "nb_queues %u",
 845                                                         nb_qpairs);
 846                         return -(ENOMEM);
 847                 }
 848         } else { /* re-configure */
 849                 int ret;
 850                 uint16_t old_nb_queues = dev->data->nb_queue_pairs;
 851
 852                 qp = dev->data->queue_pairs;
 853
 854                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->queue_pair_release,
 855                                 -ENOTSUP);
 856
 857                 for (i = nb_qpairs; i < old_nb_queues; i++) {
 858                         ret = (*dev->dev_ops->queue_pair_release)(dev, i);
 859                         if (ret < 0)
 860                                 return ret;
 861                 }
 862
 863                 qp = rte_realloc(qp, sizeof(qp[0]) * nb_qpairs,
 864                                 RTE_CACHE_LINE_SIZE);
 865                 if (qp == NULL) {
 866                         CDEV_LOG_ERR("failed to realloc qp meta data,"
 867                                                 " nb_queues %u", nb_qpairs);
 868                         return -(ENOMEM);
 869                 }
 870
 871                 if (nb_qpairs > old_nb_queues) {
 872                         uint16_t new_qs = nb_qpairs - old_nb_queues;
 873
 874                         memset(qp + old_nb_queues, 0,
 875                                 sizeof(qp[0]) * new_qs);
 876                 }
 877
 878                 dev->data->queue_pairs = qp;
 879
 880         }
 881         dev->data->nb_queue_pairs = nb_qpairs;
 882         return 0;
 883 }
 884
 885 int
 886 rte_cryptodev_configure(uint8_t dev_id, struct rte_cryptodev_config *config)
 887 {
 888         struct rte_cryptodev *dev;
 889         int diag;
 890
 891         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
 892                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
 893                 return -EINVAL;
 894         }
 895
 896         dev = &rte_crypto_devices[dev_id];
 897
 898         if (dev->data->dev_started) {
 899                 CDEV_LOG_ERR(
 900                     "device %d must be stopped to allow configuration", dev_id);
 901                 return -EBUSY;
 902         }
 903
 904         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_configure, -ENOTSUP);
 905
 906         /* Setup new number of queue pairs and reconfigure device. */
 907         diag = rte_cryptodev_queue_pairs_config(dev, config->nb_queue_pairs,
 908                         config->socket_id);
 909         if (diag != 0) {
 910                 CDEV_LOG_ERR("dev%d rte_crypto_dev_queue_pairs_config = %d",
 911                                 dev_id, diag);
 912                 return diag;
 913         }
 914
 915         return (*dev->dev_ops->dev_configure)(dev, config);
 916 }
 917
 918
 919 int
 920 rte_cryptodev_start(uint8_t dev_id)
 921 {
 922         struct rte_cryptodev *dev;
 923         int diag;
 924
 925         CDEV_LOG_DEBUG("Start dev_id=%" PRIu8, dev_id);
 926
 927         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
 928                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
 929                 return -EINVAL;
 930         }
 931
 932         dev = &rte_crypto_devices[dev_id];
 933
 934         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_start, -ENOTSUP);
 935
 936         if (dev->data->dev_started != 0) {
 937                 CDEV_LOG_ERR("Device with dev_id=%" PRIu8 " already started",
 938                         dev_id);
 939                 return 0;
 940         }
 941
 942         diag = (*dev->dev_ops->dev_start)(dev);
 943         if (diag == 0)
 944                 dev->data->dev_started = 1;
 945         else
 946                 return diag;
 947
 948         return 0;
 949 }
 950
 951 void
 952 rte_cryptodev_stop(uint8_t dev_id)
 953 {
 954         struct rte_cryptodev *dev;
 955
 956         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
 957                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
 958                 return;
 959         }
 960
 961         dev = &rte_crypto_devices[dev_id];
 962
 963         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->dev_stop);
 964
 965         if (dev->data->dev_started == 0) {
 966                 CDEV_LOG_ERR("Device with dev_id=%" PRIu8 " already stopped",
 967                         dev_id);
 968                 return;
 969         }
 970
 971         (*dev->dev_ops->dev_stop)(dev);
 972         dev->data->dev_started = 0;
 973 }
 974
 975 int
 976 rte_cryptodev_close(uint8_t dev_id)
 977 {
 978         struct rte_cryptodev *dev;
 979         int retval;
 980
 981         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
 982                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
 983                 return -1;
 984         }
 985
 986         dev = &rte_crypto_devices[dev_id];
 987
 988         /* Device must be stopped before it can be closed */
 989         if (dev->data->dev_started == 1) {
 990                 CDEV_LOG_ERR("Device %u must be stopped before closing",
 991                                 dev_id);
 992                 return -EBUSY;
 993         }
 994
 995         /* We can't close the device if there are outstanding sessions in use */
 996         if (dev->data->session_pool != NULL) {
 997                 if (!rte_mempool_full(dev->data->session_pool)) {
 998                         CDEV_LOG_ERR("dev_id=%u close failed, session mempool "
 999                                         "has sessions still in use, free "
1000                                         "all sessions before calling close",
1001                                         (unsigned)dev_id);
1002                         return -EBUSY;
1003                 }
1004         }
1005
1006         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_close, -ENOTSUP);
1007         retval = (*dev->dev_ops->dev_close)(dev);
1008
1009         if (retval < 0)
1010                 return retval;
1011
1012         return 0;
1013 }
1014
1015 int
1016 rte_cryptodev_queue_pair_setup(uint8_t dev_id, uint16_t queue_pair_id,
1017                 const struct rte_cryptodev_qp_conf *qp_conf, int socket_id)
1018
1019 {
1020         struct rte_cryptodev *dev;
1021
1022         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
1023                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
1024                 return -EINVAL;
1025         }
1026
1027         dev = &rte_crypto_devices[dev_id];
1028         if (queue_pair_id >= dev->data->nb_queue_pairs) {
1029                 CDEV_LOG_ERR("Invalid queue_pair_id=%d", queue_pair_id);
1030                 return -EINVAL;
1031         }
1032
1033         if (!qp_conf) {
1034                 CDEV_LOG_ERR("qp_conf cannot be NULL\n");
1035                 return -EINVAL;
1036         }
1037
1038         if ((qp_conf->mp_session && !qp_conf->mp_session_private) ||
1039                         (!qp_conf->mp_session && qp_conf->mp_session_private)) {
1040                 CDEV_LOG_ERR("Invalid mempools\n");
1041                 return -EINVAL;
1042         }
1043
1044         if (qp_conf->mp_session) {
1045                 struct rte_cryptodev_sym_session_pool_private_data *pool_priv;
1046                 uint32_t obj_size = qp_conf->mp_session->elt_size;
1047                 uint32_t obj_priv_size = qp_conf->mp_session_private->elt_size;
1048                 struct rte_cryptodev_sym_session s = {0};
1049
1050                 pool_priv = rte_mempool_get_priv(qp_conf->mp_session);
1051                 if (!pool_priv || qp_conf->mp_session->private_data_size <
1052                                 sizeof(*pool_priv)) {
1053                         CDEV_LOG_ERR("Invalid mempool\n");
1054                         return -EINVAL;
1055                 }
1056
1057                 s.nb_drivers = pool_priv->nb_drivers;
1058                 s.user_data_sz = pool_priv->user_data_sz;
1059
1060                 if ((rte_cryptodev_sym_get_existing_header_session_size(&s) >
1061                         obj_size) || (s.nb_drivers <= dev->driver_id) ||
1062                         rte_cryptodev_sym_get_private_session_size(dev_id) >
1063                                 obj_priv_size) {
1064                         CDEV_LOG_ERR("Invalid mempool\n");
1065                         return -EINVAL;
1066                 }
1067         }
1068
1069         if (dev->data->dev_started) {
1070                 CDEV_LOG_ERR(
1071                     "device %d must be stopped to allow configuration", dev_id);
1072                 return -EBUSY;
1073         }
1074
1075         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->queue_pair_setup, -ENOTSUP);
1076
1077         return (*dev->dev_ops->queue_pair_setup)(dev, queue_pair_id, qp_conf,
1078                         socket_id);
1079 }
1080
1081
1082 int
1083 rte_cryptodev_stats_get(uint8_t dev_id, struct rte_cryptodev_stats *stats)
1084 {
1085         struct rte_cryptodev *dev;
1086
1087         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
1088                 CDEV_LOG_ERR("Invalid dev_id=%d", dev_id);
1089                 return -ENODEV;
1090         }
1091
1092         if (stats == NULL) {
1093                 CDEV_LOG_ERR("Invalid stats ptr");
1094                 return -EINVAL;
1095         }
1096
1097         dev = &rte_crypto_devices[dev_id];
1098         memset(stats, 0, sizeof(*stats));
1099
1100         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->stats_get, -ENOTSUP);
1101         (*dev->dev_ops->stats_get)(dev, stats);
1102         return 0;
1103 }
1104
1105 void
1106 rte_cryptodev_stats_reset(uint8_t dev_id)
1107 {
1108         struct rte_cryptodev *dev;
1109
1110         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
1111                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
1112                 return;
1113         }
1114
1115         dev = &rte_crypto_devices[dev_id];
1116
1117         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->stats_reset);
1118         (*dev->dev_ops->stats_reset)(dev);
1119 }
1120
1121
1122 void
1123 rte_cryptodev_info_get(uint8_t dev_id, struct rte_cryptodev_info *dev_info)
1124 {
1125         struct rte_cryptodev *dev;
1126
1127         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
1128                 CDEV_LOG_ERR("Invalid dev_id=%d", dev_id);
1129                 return;
1130         }
1131
1132         dev = &rte_crypto_devices[dev_id];
1133
1134         memset(dev_info, 0, sizeof(struct rte_cryptodev_info));
1135
1136         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->dev_infos_get);
1137         (*dev->dev_ops->dev_infos_get)(dev, dev_info);
1138
1139         dev_info->driver_name = dev->device->driver->name;
1140         dev_info->device = dev->device;
1141 }
1142
1143
1144 int
1145 rte_cryptodev_callback_register(uint8_t dev_id,
1146                         enum rte_cryptodev_event_type event,
1147                         rte_cryptodev_cb_fn cb_fn, void *cb_arg)
1148 {
1149         struct rte_cryptodev *dev;
1150         struct rte_cryptodev_callback *user_cb;
1151
1152         if (!cb_fn)
1153                 return -EINVAL;
1154
1155         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
1156                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
1157                 return -EINVAL;
1158         }
1159
1160         dev = &rte_crypto_devices[dev_id];
1161         rte_spinlock_lock(&rte_cryptodev_cb_lock);
1162
1163         TAILQ_FOREACH(user_cb, &(dev->link_intr_cbs), next) {
1164                 if (user_cb->cb_fn == cb_fn &&
1165                         user_cb->cb_arg == cb_arg &&
1166                         user_cb->event == event) {
1167                         break;
1168                 }
1169         }
1170
1171         /* create a new callback. */
1172         if (user_cb == NULL) {
1173                 user_cb = rte_zmalloc("INTR_USER_CALLBACK",
1174                                 sizeof(struct rte_cryptodev_callback), 0);
1175                 if (user_cb != NULL) {
1176                         user_cb->cb_fn = cb_fn;
1177                         user_cb->cb_arg = cb_arg;
1178                         user_cb->event = event;
1179                         TAILQ_INSERT_TAIL(&(dev->link_intr_cbs), user_cb, next);
1180                 }
1181         }
1182
1183         rte_spinlock_unlock(&rte_cryptodev_cb_lock);
1184         return (user_cb == NULL) ? -ENOMEM : 0;
1185 }
1186
1187 int
1188 rte_cryptodev_callback_unregister(uint8_t dev_id,
1189                         enum rte_cryptodev_event_type event,
1190                         rte_cryptodev_cb_fn cb_fn, void *cb_arg)
1191 {
1192         int ret;
1193         struct rte_cryptodev *dev;
1194         struct rte_cryptodev_callback *cb, *next;
1195
1196         if (!cb_fn)
1197                 return -EINVAL;
1198
1199         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
1200                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
1201                 return -EINVAL;
1202         }
1203
1204         dev = &rte_crypto_devices[dev_id];
1205         rte_spinlock_lock(&rte_cryptodev_cb_lock);
1206
1207         ret = 0;
1208         for (cb = TAILQ_FIRST(&dev->link_intr_cbs); cb != NULL; cb = next) {
1209
1210                 next = TAILQ_NEXT(cb, next);
1211
1212                 if (cb->cb_fn != cb_fn || cb->event != event ||
1213                                 (cb->cb_arg != (void *)-1 &&
1214                                 cb->cb_arg != cb_arg))
1215                         continue;
1216
1217                 /*
1218                  * if this callback is not executing right now,
1219                  * then remove it.
1220                  */
1221                 if (cb->active == 0) {
1222                         TAILQ_REMOVE(&(dev->link_intr_cbs), cb, next);
1223                         rte_free(cb);
1224                 } else {
1225                         ret = -EAGAIN;
1226                 }
1227         }
1228
1229         rte_spinlock_unlock(&rte_cryptodev_cb_lock);
1230         return ret;
1231 }
1232
1233 void
1234 rte_cryptodev_pmd_callback_process(struct rte_cryptodev *dev,
1235         enum rte_cryptodev_event_type event)
1236 {
1237         struct rte_cryptodev_callback *cb_lst;
1238         struct rte_cryptodev_callback dev_cb;
1239
1240         rte_spinlock_lock(&rte_cryptodev_cb_lock);
1241         TAILQ_FOREACH(cb_lst, &(dev->link_intr_cbs), next) {
1242                 if (cb_lst->cb_fn == NULL || cb_lst->event != event)
1243                         continue;
1244                 dev_cb = *cb_lst;
1245                 cb_lst->active = 1;
1246                 rte_spinlock_unlock(&rte_cryptodev_cb_lock);
1247                 dev_cb.cb_fn(dev->data->dev_id, dev_cb.event,
1248                                                 dev_cb.cb_arg);
1249                 rte_spinlock_lock(&rte_cryptodev_cb_lock);
1250                 cb_lst->active = 0;
1251         }
1252         rte_spinlock_unlock(&rte_cryptodev_cb_lock);
1253 }
1254
1255
1256 int
1257 rte_cryptodev_sym_session_init(uint8_t dev_id,
1258                 struct rte_cryptodev_sym_session *sess,
1259                 struct rte_crypto_sym_xform *xforms,
1260                 struct rte_mempool *mp)
1261 {
1262         struct rte_cryptodev *dev;
1263         uint32_t sess_priv_sz = rte_cryptodev_sym_get_private_session_size(
1264                         dev_id);
1265         uint8_t index;
1266         int ret;
1267
1268         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
1269                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
1270                 return -EINVAL;
1271         }
1272
1273         dev = rte_cryptodev_pmd_get_dev(dev_id);
1274
1275         if (sess == NULL || xforms == NULL || dev == NULL)
1276                 return -EINVAL;
1277
1278         if (mp->elt_size < sess_priv_sz)
1279                 return -EINVAL;
1280
1281         index = dev->driver_id;
1282         if (index >= sess->nb_drivers)
1283                 return -EINVAL;
1284
1285         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->sym_session_configure, -ENOTSUP);
1286
1287         if (sess->sess_data[index].refcnt == 0) {
1288                 ret = dev->dev_ops->sym_session_configure(dev, xforms,
1289                                                         sess, mp);
1290                 if (ret < 0) {
1291                         CDEV_LOG_ERR(
1292                                 "dev_id %d failed to configure session details",
1293                                 dev_id);
1294                         return ret;
1295                 }
1296         }
1297
1298         sess->sess_data[index].refcnt++;
1299         return 0;
1300 }
1301
1302 int
1303 rte_cryptodev_asym_session_init(uint8_t dev_id,
1304                 struct rte_cryptodev_asym_session *sess,
1305                 struct rte_crypto_asym_xform *xforms,
1306                 struct rte_mempool *mp)
1307 {
1308         struct rte_cryptodev *dev;
1309         uint8_t index;
1310         int ret;
1311
1312         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
1313                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
1314                 return -EINVAL;
1315         }
1316
1317         dev = rte_cryptodev_pmd_get_dev(dev_id);
1318
1319         if (sess == NULL || xforms == NULL || dev == NULL)
1320                 return -EINVAL;
1321
1322         index = dev->driver_id;
1323
1324         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->asym_session_configure,
1325                                 -ENOTSUP);
1326
1327         if (sess->sess_private_data[index] == NULL) {
1328                 ret = dev->dev_ops->asym_session_configure(dev,
1329                                                         xforms,
1330                                                         sess, mp);
1331                 if (ret < 0) {
1332                         CDEV_LOG_ERR(
1333                                 "dev_id %d failed to configure session details",
1334                                 dev_id);
1335                         return ret;
1336                 }
1337         }
1338
1339         return 0;
1340 }
1341
1342 struct rte_mempool *
1343 rte_cryptodev_sym_session_pool_create(const char *name, uint32_t nb_elts,
1344         uint32_t elt_size, uint32_t cache_size, uint16_t user_data_size,
1345         int socket_id)
1346 {
1347         struct rte_mempool *mp;
1348         struct rte_cryptodev_sym_session_pool_private_data *pool_priv;
1349         uint32_t obj_sz;
1350
1351         obj_sz = rte_cryptodev_sym_get_header_session_size() + user_data_size;
1352         if (obj_sz > elt_size)
1353                 CDEV_LOG_INFO("elt_size %u is expanded to %u\n", elt_size,
1354                                 obj_sz);
1355         else
1356                 obj_sz = elt_size;
1357
1358         mp = rte_mempool_create(name, nb_elts, obj_sz, cache_size,
1359                         (uint32_t)(sizeof(*pool_priv)),
1360                         NULL, NULL, NULL, NULL,
1361                         socket_id, 0);
1362         if (mp == NULL) {
1363                 CDEV_LOG_ERR("%s(name=%s) failed, rte_errno=%d\n",
1364                         __func__, name, rte_errno);
1365                 return NULL;
1366         }
1367
1368         pool_priv = rte_mempool_get_priv(mp);
1369         if (!pool_priv) {
1370                 CDEV_LOG_ERR("%s(name=%s) failed to get private data\n",
1371                         __func__, name);
1372                 rte_mempool_free(mp);
1373                 return NULL;
1374         }
1375
1376         pool_priv->nb_drivers = nb_drivers;
1377         pool_priv->user_data_sz = user_data_size;
1378
1379         return mp;
1380 }
1381
1382 static unsigned int
1383 rte_cryptodev_sym_session_data_size(struct rte_cryptodev_sym_session *sess)
1384 {
1385         return (sizeof(sess->sess_data[0]) * sess->nb_drivers) +
1386                         sess->user_data_sz;
1387 }
1388
1389 struct rte_cryptodev_sym_session *
1390 rte_cryptodev_sym_session_create(struct rte_mempool *mp)
1391 {
1392         struct rte_cryptodev_sym_session *sess;
1393         struct rte_cryptodev_sym_session_pool_private_data *pool_priv;
1394
1395         if (!mp) {
1396                 CDEV_LOG_ERR("Invalid mempool\n");
1397                 return NULL;
1398         }
1399
1400         pool_priv = rte_mempool_get_priv(mp);
1401
1402         if (!pool_priv || mp->private_data_size < sizeof(*pool_priv)) {
1403                 CDEV_LOG_ERR("Invalid mempool\n");
1404                 return NULL;
1405         }
1406
1407         /* Allocate a session structure from the session pool */
1408         if (rte_mempool_get(mp, (void **)&sess)) {
1409                 CDEV_LOG_ERR("couldn't get object from session mempool");
1410                 return NULL;
1411         }
1412
1413         sess->nb_drivers = pool_priv->nb_drivers;
1414         sess->user_data_sz = pool_priv->user_data_sz;
1415         sess->opaque_data = 0;
1416
1417         /* Clear device session pointer.
1418          * Include the flag indicating presence of user data
1419          */
1420         memset(sess->sess_data, 0,
1421                         rte_cryptodev_sym_session_data_size(sess));
1422
1423         return sess;
1424 }
1425
1426 struct rte_cryptodev_asym_session *
1427 rte_cryptodev_asym_session_create(struct rte_mempool *mp)
1428 {
1429         struct rte_cryptodev_asym_session *sess;
1430
1431         /* Allocate a session structure from the session pool */
1432         if (rte_mempool_get(mp, (void **)&sess)) {
1433                 CDEV_LOG_ERR("couldn't get object from session mempool");
1434                 return NULL;
1435         }
1436
1437         /* Clear device session pointer.
1438          * Include the flag indicating presence of private data
1439          */
1440         memset(sess, 0, (sizeof(void *) * nb_drivers) + sizeof(uint8_t));
1441
1442         return sess;
1443 }
1444
1445 int
1446 rte_cryptodev_sym_session_clear(uint8_t dev_id,
1447                 struct rte_cryptodev_sym_session *sess)
1448 {
1449         struct rte_cryptodev *dev;
1450         uint8_t driver_id;
1451
1452         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
1453                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
1454                 return -EINVAL;
1455         }
1456
1457         dev = rte_cryptodev_pmd_get_dev(dev_id);
1458
1459         if (dev == NULL || sess == NULL)
1460                 return -EINVAL;
1461
1462         driver_id = dev->driver_id;
1463         if (sess->sess_data[driver_id].refcnt == 0)
1464                 return 0;
1465         if (--sess->sess_data[driver_id].refcnt != 0)
1466                 return -EBUSY;
1467
1468         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->sym_session_clear, -ENOTSUP);
1469
1470         dev->dev_ops->sym_session_clear(dev, sess);
1471
1472         return 0;
1473 }
1474
1475 int
1476 rte_cryptodev_asym_session_clear(uint8_t dev_id,
1477                 struct rte_cryptodev_asym_session *sess)
1478 {
1479         struct rte_cryptodev *dev;
1480
1481         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
1482                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
1483                 return -EINVAL;
1484         }
1485
1486         dev = rte_cryptodev_pmd_get_dev(dev_id);
1487
1488         if (dev == NULL || sess == NULL)
1489                 return -EINVAL;
1490
1491         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->asym_session_clear, -ENOTSUP);
1492
1493         dev->dev_ops->asym_session_clear(dev, sess);
1494
1495         return 0;
1496 }
1497
1498 int
1499 rte_cryptodev_sym_session_free(struct rte_cryptodev_sym_session *sess)
1500 {
1501         uint8_t i;
1502         struct rte_mempool *sess_mp;
1503
1504         if (sess == NULL)
1505                 return -EINVAL;
1506
1507         /* Check that all device private data has been freed */
1508         for (i = 0; i < sess->nb_drivers; i++) {
1509                 if (sess->sess_data[i].refcnt != 0)
1510                         return -EBUSY;
1511         }
1512
1513         /* Return session to mempool */
1514         sess_mp = rte_mempool_from_obj(sess);
1515         rte_mempool_put(sess_mp, sess);
1516
1517         return 0;
1518 }
1519
1520 int
1521 rte_cryptodev_asym_session_free(struct rte_cryptodev_asym_session *sess)
1522 {
1523         uint8_t i;
1524         void *sess_priv;
1525         struct rte_mempool *sess_mp;
1526
1527         if (sess == NULL)
1528                 return -EINVAL;
1529
1530         /* Check that all device private data has been freed */
1531         for (i = 0; i < nb_drivers; i++) {
1532                 sess_priv = get_asym_session_private_data(sess, i);
1533                 if (sess_priv != NULL)
1534                         return -EBUSY;
1535         }
1536
1537         /* Return session to mempool */
1538         sess_mp = rte_mempool_from_obj(sess);
1539         rte_mempool_put(sess_mp, sess);
1540
1541         return 0;
1542 }
1543
1544 unsigned int
1545 rte_cryptodev_sym_get_header_session_size(void)
1546 {
1547         /*
1548          * Header contains pointers to the private data of all registered
1549          * drivers and all necessary information to ensure safely clear
1550          * or free al session.
1551          */
1552         struct rte_cryptodev_sym_session s = {0};
1553
1554         s.nb_drivers = nb_drivers;
1555
1556         return (unsigned int)(sizeof(s) +
1557                         rte_cryptodev_sym_session_data_size(&s));
1558 }
1559
1560 unsigned int
1561 rte_cryptodev_sym_get_existing_header_session_size(
1562                 struct rte_cryptodev_sym_session *sess)
1563 {
1564         if (!sess)
1565                 return 0;
1566         else
1567                 return (unsigned int)(sizeof(*sess) +
1568                                 rte_cryptodev_sym_session_data_size(sess));
1569 }
1570
1571 unsigned int
1572 rte_cryptodev_asym_get_header_session_size(void)
1573 {
1574         /*
1575          * Header contains pointers to the private data
1576          * of all registered drivers, and a flag which
1577          * indicates presence of private data
1578          */
1579         return ((sizeof(void *) * nb_drivers) + sizeof(uint8_t));
1580 }
1581
1582 unsigned int
1583 rte_cryptodev_sym_get_private_session_size(uint8_t dev_id)
1584 {
1585         struct rte_cryptodev *dev;
1586         unsigned int priv_sess_size;
1587
1588         if (!rte_cryptodev_pmd_is_valid_dev(dev_id))
1589                 return 0;
1590
1591         dev = rte_cryptodev_pmd_get_dev(dev_id);
1592
1593         if (*dev->dev_ops->sym_session_get_size == NULL)
1594                 return 0;
1595
1596         priv_sess_size = (*dev->dev_ops->sym_session_get_size)(dev);
1597
1598         return priv_sess_size;
1599 }
1600
1601 unsigned int
1602 rte_cryptodev_asym_get_private_session_size(uint8_t dev_id)
1603 {
1604         struct rte_cryptodev *dev;
1605         unsigned int header_size = sizeof(void *) * nb_drivers;
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->asym_session_get_size == NULL)
1614                 return 0;
1615
1616         priv_sess_size = (*dev->dev_ops->asym_session_get_size)(dev);
1617         if (priv_sess_size < header_size)
1618                 return header_size;
1619
1620         return priv_sess_size;
1621
1622 }
1623
1624 int
1625 rte_cryptodev_sym_session_set_user_data(
1626                                         struct rte_cryptodev_sym_session *sess,
1627                                         void *data,
1628                                         uint16_t size)
1629 {
1630         if (sess == NULL)
1631                 return -EINVAL;
1632
1633         if (sess->user_data_sz < size)
1634                 return -ENOMEM;
1635
1636         rte_memcpy(sess->sess_data + sess->nb_drivers, data, size);
1637         return 0;
1638 }
1639
1640 void *
1641 rte_cryptodev_sym_session_get_user_data(
1642                                         struct rte_cryptodev_sym_session *sess)
1643 {
1644         if (sess == NULL || sess->user_data_sz == 0)
1645                 return NULL;
1646
1647         return (void *)(sess->sess_data + sess->nb_drivers);
1648 }
1649
1650 static inline void
1651 sym_crypto_fill_status(struct rte_crypto_sym_vec *vec, int32_t errnum)
1652 {
1653         uint32_t i;
1654         for (i = 0; i < vec->num; i++)
1655                 vec->status[i] = errnum;
1656 }
1657
1658 uint32_t
1659 rte_cryptodev_sym_cpu_crypto_process(uint8_t dev_id,
1660         struct rte_cryptodev_sym_session *sess, union rte_crypto_sym_ofs ofs,
1661         struct rte_crypto_sym_vec *vec)
1662 {
1663         struct rte_cryptodev *dev;
1664
1665         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
1666                 sym_crypto_fill_status(vec, EINVAL);
1667                 return 0;
1668         }
1669
1670         dev = rte_cryptodev_pmd_get_dev(dev_id);
1671
1672         if (*dev->dev_ops->sym_cpu_process == NULL ||
1673                 !(dev->feature_flags & RTE_CRYPTODEV_FF_SYM_CPU_CRYPTO)) {
1674                 sym_crypto_fill_status(vec, ENOTSUP);
1675                 return 0;
1676         }
1677
1678         return dev->dev_ops->sym_cpu_process(dev, sess, ofs, vec);
1679 }
1680
1681 /** Initialise rte_crypto_op mempool element */
1682 static void
1683 rte_crypto_op_init(struct rte_mempool *mempool,
1684                 void *opaque_arg,
1685                 void *_op_data,
1686                 __rte_unused unsigned i)
1687 {
1688         struct rte_crypto_op *op = _op_data;
1689         enum rte_crypto_op_type type = *(enum rte_crypto_op_type *)opaque_arg;
1690
1691         memset(_op_data, 0, mempool->elt_size);
1692
1693         __rte_crypto_op_reset(op, type);
1694
1695         op->phys_addr = rte_mem_virt2iova(_op_data);
1696         op->mempool = mempool;
1697 }
1698
1699
1700 struct rte_mempool *
1701 rte_crypto_op_pool_create(const char *name, enum rte_crypto_op_type type,
1702                 unsigned nb_elts, unsigned cache_size, uint16_t priv_size,
1703                 int socket_id)
1704 {
1705         struct rte_crypto_op_pool_private *priv;
1706
1707         unsigned elt_size = sizeof(struct rte_crypto_op) +
1708                         priv_size;
1709
1710         if (type == RTE_CRYPTO_OP_TYPE_SYMMETRIC) {
1711                 elt_size += sizeof(struct rte_crypto_sym_op);
1712         } else if (type == RTE_CRYPTO_OP_TYPE_ASYMMETRIC) {
1713                 elt_size += sizeof(struct rte_crypto_asym_op);
1714         } else if (type == RTE_CRYPTO_OP_TYPE_UNDEFINED) {
1715                 elt_size += RTE_MAX(sizeof(struct rte_crypto_sym_op),
1716                                     sizeof(struct rte_crypto_asym_op));
1717         } else {
1718                 CDEV_LOG_ERR("Invalid op_type\n");
1719                 return NULL;
1720         }
1721
1722         /* lookup mempool in case already allocated */
1723         struct rte_mempool *mp = rte_mempool_lookup(name);
1724
1725         if (mp != NULL) {
1726                 priv = (struct rte_crypto_op_pool_private *)
1727                                 rte_mempool_get_priv(mp);
1728
1729                 if (mp->elt_size != elt_size ||
1730                                 mp->cache_size < cache_size ||
1731                                 mp->size < nb_elts ||
1732                                 priv->priv_size <  priv_size) {
1733                         mp = NULL;
1734                         CDEV_LOG_ERR("Mempool %s already exists but with "
1735                                         "incompatible parameters", name);
1736                         return NULL;
1737                 }
1738                 return mp;
1739         }
1740
1741         mp = rte_mempool_create(
1742                         name,
1743                         nb_elts,
1744                         elt_size,
1745                         cache_size,
1746                         sizeof(struct rte_crypto_op_pool_private),
1747                         NULL,
1748                         NULL,
1749                         rte_crypto_op_init,
1750                         &type,
1751                         socket_id,
1752                         0);
1753
1754         if (mp == NULL) {
1755                 CDEV_LOG_ERR("Failed to create mempool %s", name);
1756                 return NULL;
1757         }
1758
1759         priv = (struct rte_crypto_op_pool_private *)
1760                         rte_mempool_get_priv(mp);
1761
1762         priv->priv_size = priv_size;
1763         priv->type = type;
1764
1765         return mp;
1766 }
1767
1768 int
1769 rte_cryptodev_pmd_create_dev_name(char *name, const char *dev_name_prefix)
1770 {
1771         struct rte_cryptodev *dev = NULL;
1772         uint32_t i = 0;
1773
1774         if (name == NULL)
1775                 return -EINVAL;
1776
1777         for (i = 0; i < RTE_CRYPTO_MAX_DEVS; i++) {
1778                 int ret = snprintf(name, RTE_CRYPTODEV_NAME_MAX_LEN,
1779                                 "%s_%u", dev_name_prefix, i);
1780
1781                 if (ret < 0)
1782                         return ret;
1783
1784                 dev = rte_cryptodev_pmd_get_named_dev(name);
1785                 if (!dev)
1786                         return 0;
1787         }
1788
1789         return -1;
1790 }
1791
1792 TAILQ_HEAD(cryptodev_driver_list, cryptodev_driver);
1793
1794 static struct cryptodev_driver_list cryptodev_driver_list =
1795         TAILQ_HEAD_INITIALIZER(cryptodev_driver_list);
1796
1797 int
1798 rte_cryptodev_driver_id_get(const char *name)
1799 {
1800         struct cryptodev_driver *driver;
1801         const char *driver_name;
1802
1803         if (name == NULL) {
1804                 RTE_LOG(DEBUG, CRYPTODEV, "name pointer NULL");
1805                 return -1;
1806         }
1807
1808         TAILQ_FOREACH(driver, &cryptodev_driver_list, next) {
1809                 driver_name = driver->driver->name;
1810                 if (strncmp(driver_name, name, strlen(driver_name) + 1) == 0)
1811                         return driver->id;
1812         }
1813         return -1;
1814 }
1815
1816 const char *
1817 rte_cryptodev_name_get(uint8_t dev_id)
1818 {
1819         struct rte_cryptodev *dev;
1820
1821         if (!rte_cryptodev_is_valid_device_data(dev_id)) {
1822                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
1823                 return NULL;
1824         }
1825
1826         dev = rte_cryptodev_pmd_get_dev(dev_id);
1827         if (dev == NULL)
1828                 return NULL;
1829
1830         return dev->data->name;
1831 }
1832
1833 const char *
1834 rte_cryptodev_driver_name_get(uint8_t driver_id)
1835 {
1836         struct cryptodev_driver *driver;
1837
1838         TAILQ_FOREACH(driver, &cryptodev_driver_list, next)
1839                 if (driver->id == driver_id)
1840                         return driver->driver->name;
1841         return NULL;
1842 }
1843
1844 uint8_t
1845 rte_cryptodev_allocate_driver(struct cryptodev_driver *crypto_drv,
1846                 const struct rte_driver *drv)
1847 {
1848         crypto_drv->driver = drv;
1849         crypto_drv->id = nb_drivers;
1850
1851         TAILQ_INSERT_TAIL(&cryptodev_driver_list, crypto_drv, next);
1852
1853         return nb_drivers++;
1854 }