lib/librte_cryptodev/rte_cryptodev.c

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2015-2017 Intel Corporation
   3  */
   4
   5 #include <sys/types.h>
   6 #include <sys/queue.h>
   7 #include <ctype.h>
   8 #include <stdio.h>
   9 #include <stdlib.h>
  10 #include <string.h>
  11 #include <stdarg.h>
  12 #include <errno.h>
  13 #include <stdint.h>
  14 #include <inttypes.h>
  15 #include <netinet/in.h>
  16
  17 #include <rte_byteorder.h>
  18 #include <rte_log.h>
  19 #include <rte_debug.h>
  20 #include <rte_dev.h>
  21 #include <rte_interrupts.h>
  22 #include <rte_memory.h>
  23 #include <rte_memcpy.h>
  24 #include <rte_memzone.h>
  25 #include <rte_launch.h>
  26 #include <rte_tailq.h>
  27 #include <rte_eal.h>
  28 #include <rte_per_lcore.h>
  29 #include <rte_lcore.h>
  30 #include <rte_atomic.h>
  31 #include <rte_branch_prediction.h>
  32 #include <rte_common.h>
  33 #include <rte_mempool.h>
  34 #include <rte_malloc.h>
  35 #include <rte_mbuf.h>
  36 #include <rte_errno.h>
  37 #include <rte_spinlock.h>
  38 #include <rte_string_fns.h>
  39
  40 #include "rte_crypto.h"
  41 #include "rte_cryptodev.h"
  42 #include "rte_cryptodev_pmd.h"
  43
  44 static uint8_t nb_drivers;
  45
  46 static struct rte_cryptodev rte_crypto_devices[RTE_CRYPTO_MAX_DEVS];
  47
  48 struct rte_cryptodev *rte_cryptodevs = rte_crypto_devices;
  49
  50 static struct rte_cryptodev_global cryptodev_globals = {
  51                 .devs                   = rte_crypto_devices,
  52                 .data                   = { NULL },
  53                 .nb_devs                = 0
  54 };
  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 };
 177
 178 /**
 179  * Asymmetric crypto operation strings identifiers.
 180  */
 181 const char *rte_crypto_asym_op_strings[] = {
 182         [RTE_CRYPTO_ASYM_OP_ENCRYPT]    = "encrypt",
 183         [RTE_CRYPTO_ASYM_OP_DECRYPT]    = "decrypt",
 184         [RTE_CRYPTO_ASYM_OP_SIGN]       = "sign",
 185         [RTE_CRYPTO_ASYM_OP_VERIFY]     = "verify",
 186         [RTE_CRYPTO_ASYM_OP_PRIVATE_KEY_GENERATE]       = "priv_key_generate",
 187         [RTE_CRYPTO_ASYM_OP_PUBLIC_KEY_GENERATE] = "pub_key_generate",
 188         [RTE_CRYPTO_ASYM_OP_SHARED_SECRET_COMPUTE] = "sharedsecret_compute",
 189 };
 190
 191 /**
 192  * The private data structure stored in the session mempool private data.
 193  */
 194 struct rte_cryptodev_sym_session_pool_private_data {
 195         uint16_t nb_drivers;
 196         /**< number of elements in sess_data array */
 197         uint16_t user_data_sz;
 198         /**< session user data will be placed after sess_data */
 199 };
 200
 201 int
 202 rte_cryptodev_get_cipher_algo_enum(enum rte_crypto_cipher_algorithm *algo_enum,
 203                 const char *algo_string)
 204 {
 205         unsigned int i;
 206
 207         for (i = 1; i < RTE_DIM(rte_crypto_cipher_algorithm_strings); i++) {
 208                 if (strcmp(algo_string, rte_crypto_cipher_algorithm_strings[i]) == 0) {
 209                         *algo_enum = (enum rte_crypto_cipher_algorithm) i;
 210                         return 0;
 211                 }
 212         }
 213
 214         /* Invalid string */
 215         return -1;
 216 }
 217
 218 int
 219 rte_cryptodev_get_auth_algo_enum(enum rte_crypto_auth_algorithm *algo_enum,
 220                 const char *algo_string)
 221 {
 222         unsigned int i;
 223
 224         for (i = 1; i < RTE_DIM(rte_crypto_auth_algorithm_strings); i++) {
 225                 if (strcmp(algo_string, rte_crypto_auth_algorithm_strings[i]) == 0) {
 226                         *algo_enum = (enum rte_crypto_auth_algorithm) i;
 227                         return 0;
 228                 }
 229         }
 230
 231         /* Invalid string */
 232         return -1;
 233 }
 234
 235 int
 236 rte_cryptodev_get_aead_algo_enum(enum rte_crypto_aead_algorithm *algo_enum,
 237                 const char *algo_string)
 238 {
 239         unsigned int i;
 240
 241         for (i = 1; i < RTE_DIM(rte_crypto_aead_algorithm_strings); i++) {
 242                 if (strcmp(algo_string, rte_crypto_aead_algorithm_strings[i]) == 0) {
 243                         *algo_enum = (enum rte_crypto_aead_algorithm) i;
 244                         return 0;
 245                 }
 246         }
 247
 248         /* Invalid string */
 249         return -1;
 250 }
 251
 252 int
 253 rte_cryptodev_asym_get_xform_enum(enum rte_crypto_asym_xform_type *xform_enum,
 254                 const char *xform_string)
 255 {
 256         unsigned int i;
 257
 258         for (i = 1; i < RTE_DIM(rte_crypto_asym_xform_strings); i++) {
 259                 if (strcmp(xform_string,
 260                         rte_crypto_asym_xform_strings[i]) == 0) {
 261                         *xform_enum = (enum rte_crypto_asym_xform_type) i;
 262                         return 0;
 263                 }
 264         }
 265
 266         /* Invalid string */
 267         return -1;
 268 }
 269
 270 /**
 271  * The crypto auth operation strings identifiers.
 272  * It could be used in application command line.
 273  */
 274 const char *
 275 rte_crypto_auth_operation_strings[] = {
 276                 [RTE_CRYPTO_AUTH_OP_VERIFY]     = "verify",
 277                 [RTE_CRYPTO_AUTH_OP_GENERATE]   = "generate"
 278 };
 279
 280 const struct rte_cryptodev_symmetric_capability *
 281 rte_cryptodev_sym_capability_get(uint8_t dev_id,
 282                 const struct rte_cryptodev_sym_capability_idx *idx)
 283 {
 284         const struct rte_cryptodev_capabilities *capability;
 285         struct rte_cryptodev_info dev_info;
 286         int i = 0;
 287
 288         rte_cryptodev_info_get(dev_id, &dev_info);
 289
 290         while ((capability = &dev_info.capabilities[i++])->op !=
 291                         RTE_CRYPTO_OP_TYPE_UNDEFINED) {
 292                 if (capability->op != RTE_CRYPTO_OP_TYPE_SYMMETRIC)
 293                         continue;
 294
 295                 if (capability->sym.xform_type != idx->type)
 296                         continue;
 297
 298                 if (idx->type == RTE_CRYPTO_SYM_XFORM_AUTH &&
 299                         capability->sym.auth.algo == idx->algo.auth)
 300                         return &capability->sym;
 301
 302                 if (idx->type == RTE_CRYPTO_SYM_XFORM_CIPHER &&
 303                         capability->sym.cipher.algo == idx->algo.cipher)
 304                         return &capability->sym;
 305
 306                 if (idx->type == RTE_CRYPTO_SYM_XFORM_AEAD &&
 307                                 capability->sym.aead.algo == idx->algo.aead)
 308                         return &capability->sym;
 309         }
 310
 311         return NULL;
 312
 313 }
 314
 315 static int
 316 param_range_check(uint16_t size, const struct rte_crypto_param_range *range)
 317 {
 318         unsigned int next_size;
 319
 320         /* Check lower/upper bounds */
 321         if (size < range->min)
 322                 return -1;
 323
 324         if (size > range->max)
 325                 return -1;
 326
 327         /* If range is actually only one value, size is correct */
 328         if (range->increment == 0)
 329                 return 0;
 330
 331         /* Check if value is one of the supported sizes */
 332         for (next_size = range->min; next_size <= range->max;
 333                         next_size += range->increment)
 334                 if (size == next_size)
 335                         return 0;
 336
 337         return -1;
 338 }
 339
 340 const struct rte_cryptodev_asymmetric_xform_capability *
 341 rte_cryptodev_asym_capability_get(uint8_t dev_id,
 342                 const struct rte_cryptodev_asym_capability_idx *idx)
 343 {
 344         const struct rte_cryptodev_capabilities *capability;
 345         struct rte_cryptodev_info dev_info;
 346         unsigned int i = 0;
 347
 348         memset(&dev_info, 0, sizeof(struct rte_cryptodev_info));
 349         rte_cryptodev_info_get(dev_id, &dev_info);
 350
 351         while ((capability = &dev_info.capabilities[i++])->op !=
 352                         RTE_CRYPTO_OP_TYPE_UNDEFINED) {
 353                 if (capability->op != RTE_CRYPTO_OP_TYPE_ASYMMETRIC)
 354                         continue;
 355
 356                 if (capability->asym.xform_capa.xform_type == idx->type)
 357                         return &capability->asym.xform_capa;
 358         }
 359         return NULL;
 360 };
 361
 362 int
 363 rte_cryptodev_sym_capability_check_cipher(
 364                 const struct rte_cryptodev_symmetric_capability *capability,
 365                 uint16_t key_size, uint16_t iv_size)
 366 {
 367         if (param_range_check(key_size, &capability->cipher.key_size) != 0)
 368                 return -1;
 369
 370         if (param_range_check(iv_size, &capability->cipher.iv_size) != 0)
 371                 return -1;
 372
 373         return 0;
 374 }
 375
 376 int
 377 rte_cryptodev_sym_capability_check_auth(
 378                 const struct rte_cryptodev_symmetric_capability *capability,
 379                 uint16_t key_size, uint16_t digest_size, uint16_t iv_size)
 380 {
 381         if (param_range_check(key_size, &capability->auth.key_size) != 0)
 382                 return -1;
 383
 384         if (param_range_check(digest_size, &capability->auth.digest_size) != 0)
 385                 return -1;
 386
 387         if (param_range_check(iv_size, &capability->auth.iv_size) != 0)
 388                 return -1;
 389
 390         return 0;
 391 }
 392
 393 int
 394 rte_cryptodev_sym_capability_check_aead(
 395                 const struct rte_cryptodev_symmetric_capability *capability,
 396                 uint16_t key_size, uint16_t digest_size, uint16_t aad_size,
 397                 uint16_t iv_size)
 398 {
 399         if (param_range_check(key_size, &capability->aead.key_size) != 0)
 400                 return -1;
 401
 402         if (param_range_check(digest_size, &capability->aead.digest_size) != 0)
 403                 return -1;
 404
 405         if (param_range_check(aad_size, &capability->aead.aad_size) != 0)
 406                 return -1;
 407
 408         if (param_range_check(iv_size, &capability->aead.iv_size) != 0)
 409                 return -1;
 410
 411         return 0;
 412 }
 413 int
 414 rte_cryptodev_asym_xform_capability_check_optype(
 415         const struct rte_cryptodev_asymmetric_xform_capability *capability,
 416         enum rte_crypto_asym_op_type op_type)
 417 {
 418         if (capability->op_types & (1 << op_type))
 419                 return 1;
 420
 421         return 0;
 422 }
 423
 424 int
 425 rte_cryptodev_asym_xform_capability_check_modlen(
 426         const struct rte_cryptodev_asymmetric_xform_capability *capability,
 427         uint16_t modlen)
 428 {
 429         /* no need to check for limits, if min or max = 0 */
 430         if (capability->modlen.min != 0) {
 431                 if (modlen < capability->modlen.min)
 432                         return -1;
 433         }
 434
 435         if (capability->modlen.max != 0) {
 436                 if (modlen > capability->modlen.max)
 437                         return -1;
 438         }
 439
 440         /* in any case, check if given modlen is module increment */
 441         if (capability->modlen.increment != 0) {
 442                 if (modlen % (capability->modlen.increment))
 443                         return -1;
 444         }
 445
 446         return 0;
 447 }
 448
 449
 450 const char *
 451 rte_cryptodev_get_feature_name(uint64_t flag)
 452 {
 453         switch (flag) {
 454         case RTE_CRYPTODEV_FF_SYMMETRIC_CRYPTO:
 455                 return "SYMMETRIC_CRYPTO";
 456         case RTE_CRYPTODEV_FF_ASYMMETRIC_CRYPTO:
 457                 return "ASYMMETRIC_CRYPTO";
 458         case RTE_CRYPTODEV_FF_SYM_OPERATION_CHAINING:
 459                 return "SYM_OPERATION_CHAINING";
 460         case RTE_CRYPTODEV_FF_CPU_SSE:
 461                 return "CPU_SSE";
 462         case RTE_CRYPTODEV_FF_CPU_AVX:
 463                 return "CPU_AVX";
 464         case RTE_CRYPTODEV_FF_CPU_AVX2:
 465                 return "CPU_AVX2";
 466         case RTE_CRYPTODEV_FF_CPU_AVX512:
 467                 return "CPU_AVX512";
 468         case RTE_CRYPTODEV_FF_CPU_AESNI:
 469                 return "CPU_AESNI";
 470         case RTE_CRYPTODEV_FF_HW_ACCELERATED:
 471                 return "HW_ACCELERATED";
 472         case RTE_CRYPTODEV_FF_IN_PLACE_SGL:
 473                 return "IN_PLACE_SGL";
 474         case RTE_CRYPTODEV_FF_OOP_SGL_IN_SGL_OUT:
 475                 return "OOP_SGL_IN_SGL_OUT";
 476         case RTE_CRYPTODEV_FF_OOP_SGL_IN_LB_OUT:
 477                 return "OOP_SGL_IN_LB_OUT";
 478         case RTE_CRYPTODEV_FF_OOP_LB_IN_SGL_OUT:
 479                 return "OOP_LB_IN_SGL_OUT";
 480         case RTE_CRYPTODEV_FF_OOP_LB_IN_LB_OUT:
 481                 return "OOP_LB_IN_LB_OUT";
 482         case RTE_CRYPTODEV_FF_CPU_NEON:
 483                 return "CPU_NEON";
 484         case RTE_CRYPTODEV_FF_CPU_ARM_CE:
 485                 return "CPU_ARM_CE";
 486         case RTE_CRYPTODEV_FF_SECURITY:
 487                 return "SECURITY_PROTOCOL";
 488         case RTE_CRYPTODEV_FF_RSA_PRIV_OP_KEY_EXP:
 489                 return "RSA_PRIV_OP_KEY_EXP";
 490         case RTE_CRYPTODEV_FF_RSA_PRIV_OP_KEY_QT:
 491                 return "RSA_PRIV_OP_KEY_QT";
 492         case RTE_CRYPTODEV_FF_DIGEST_ENCRYPTED:
 493                 return "DIGEST_ENCRYPTED";
 494         default:
 495                 return NULL;
 496         }
 497 }
 498
 499 struct rte_cryptodev *
 500 rte_cryptodev_pmd_get_dev(uint8_t dev_id)
 501 {
 502         return &cryptodev_globals.devs[dev_id];
 503 }
 504
 505 struct rte_cryptodev *
 506 rte_cryptodev_pmd_get_named_dev(const char *name)
 507 {
 508         struct rte_cryptodev *dev;
 509         unsigned int i;
 510
 511         if (name == NULL)
 512                 return NULL;
 513
 514         for (i = 0; i < RTE_CRYPTO_MAX_DEVS; i++) {
 515                 dev = &cryptodev_globals.devs[i];
 516
 517                 if ((dev->attached == RTE_CRYPTODEV_ATTACHED) &&
 518                                 (strcmp(dev->data->name, name) == 0))
 519                         return dev;
 520         }
 521
 522         return NULL;
 523 }
 524
 525 static inline uint8_t
 526 rte_cryptodev_is_valid_device_data(uint8_t dev_id)
 527 {
 528         if (rte_crypto_devices[dev_id].data == NULL)
 529                 return 0;
 530
 531         return 1;
 532 }
 533
 534 unsigned int
 535 rte_cryptodev_pmd_is_valid_dev(uint8_t dev_id)
 536 {
 537         struct rte_cryptodev *dev = NULL;
 538
 539         if (!rte_cryptodev_is_valid_device_data(dev_id))
 540                 return 0;
 541
 542         dev = rte_cryptodev_pmd_get_dev(dev_id);
 543         if (dev->attached != RTE_CRYPTODEV_ATTACHED)
 544                 return 0;
 545         else
 546                 return 1;
 547 }
 548
 549
 550 int
 551 rte_cryptodev_get_dev_id(const char *name)
 552 {
 553         unsigned i;
 554
 555         if (name == NULL)
 556                 return -1;
 557
 558         for (i = 0; i < RTE_CRYPTO_MAX_DEVS; i++) {
 559                 if (!rte_cryptodev_is_valid_device_data(i))
 560                         continue;
 561                 if ((strcmp(cryptodev_globals.devs[i].data->name, name)
 562                                 == 0) &&
 563                                 (cryptodev_globals.devs[i].attached ==
 564                                                 RTE_CRYPTODEV_ATTACHED))
 565                         return i;
 566         }
 567
 568         return -1;
 569 }
 570
 571 uint8_t
 572 rte_cryptodev_count(void)
 573 {
 574         return cryptodev_globals.nb_devs;
 575 }
 576
 577 uint8_t
 578 rte_cryptodev_device_count_by_driver(uint8_t driver_id)
 579 {
 580         uint8_t i, dev_count = 0;
 581
 582         for (i = 0; i < RTE_CRYPTO_MAX_DEVS; i++)
 583                 if (cryptodev_globals.devs[i].driver_id == driver_id &&
 584                         cryptodev_globals.devs[i].attached ==
 585                                         RTE_CRYPTODEV_ATTACHED)
 586                         dev_count++;
 587
 588         return dev_count;
 589 }
 590
 591 uint8_t
 592 rte_cryptodev_devices_get(const char *driver_name, uint8_t *devices,
 593         uint8_t nb_devices)
 594 {
 595         uint8_t i, count = 0;
 596         struct rte_cryptodev *devs = cryptodev_globals.devs;
 597
 598         for (i = 0; i < RTE_CRYPTO_MAX_DEVS && count < nb_devices; i++) {
 599                 if (!rte_cryptodev_is_valid_device_data(i))
 600                         continue;
 601
 602                 if (devs[i].attached == RTE_CRYPTODEV_ATTACHED) {
 603                         int cmp;
 604
 605                         cmp = strncmp(devs[i].device->driver->name,
 606                                         driver_name,
 607                                         strlen(driver_name) + 1);
 608
 609                         if (cmp == 0)
 610                                 devices[count++] = devs[i].data->dev_id;
 611                 }
 612         }
 613
 614         return count;
 615 }
 616
 617 void *
 618 rte_cryptodev_get_sec_ctx(uint8_t dev_id)
 619 {
 620         if (rte_crypto_devices[dev_id].feature_flags &
 621                         RTE_CRYPTODEV_FF_SECURITY)
 622                 return rte_crypto_devices[dev_id].security_ctx;
 623
 624         return NULL;
 625 }
 626
 627 int
 628 rte_cryptodev_socket_id(uint8_t dev_id)
 629 {
 630         struct rte_cryptodev *dev;
 631
 632         if (!rte_cryptodev_pmd_is_valid_dev(dev_id))
 633                 return -1;
 634
 635         dev = rte_cryptodev_pmd_get_dev(dev_id);
 636
 637         return dev->data->socket_id;
 638 }
 639
 640 static inline int
 641 rte_cryptodev_data_alloc(uint8_t dev_id, struct rte_cryptodev_data **data,
 642                 int socket_id)
 643 {
 644         char mz_name[RTE_MEMZONE_NAMESIZE];
 645         const struct rte_memzone *mz;
 646         int n;
 647
 648         /* generate memzone name */
 649         n = snprintf(mz_name, sizeof(mz_name), "rte_cryptodev_data_%u", dev_id);
 650         if (n >= (int)sizeof(mz_name))
 651                 return -EINVAL;
 652
 653         if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
 654                 mz = rte_memzone_reserve(mz_name,
 655                                 sizeof(struct rte_cryptodev_data),
 656                                 socket_id, 0);
 657         } else
 658                 mz = rte_memzone_lookup(mz_name);
 659
 660         if (mz == NULL)
 661                 return -ENOMEM;
 662
 663         *data = mz->addr;
 664         if (rte_eal_process_type() == RTE_PROC_PRIMARY)
 665                 memset(*data, 0, sizeof(struct rte_cryptodev_data));
 666
 667         return 0;
 668 }
 669
 670 static inline int
 671 rte_cryptodev_data_free(uint8_t dev_id, struct rte_cryptodev_data **data)
 672 {
 673         char mz_name[RTE_MEMZONE_NAMESIZE];
 674         const struct rte_memzone *mz;
 675         int n;
 676
 677         /* generate memzone name */
 678         n = snprintf(mz_name, sizeof(mz_name), "rte_cryptodev_data_%u", dev_id);
 679         if (n >= (int)sizeof(mz_name))
 680                 return -EINVAL;
 681
 682         mz = rte_memzone_lookup(mz_name);
 683         if (mz == NULL)
 684                 return -ENOMEM;
 685
 686         RTE_ASSERT(*data == mz->addr);
 687         *data = NULL;
 688
 689         if (rte_eal_process_type() == RTE_PROC_PRIMARY)
 690                 return rte_memzone_free(mz);
 691
 692         return 0;
 693 }
 694
 695 static uint8_t
 696 rte_cryptodev_find_free_device_index(void)
 697 {
 698         uint8_t dev_id;
 699
 700         for (dev_id = 0; dev_id < RTE_CRYPTO_MAX_DEVS; dev_id++) {
 701                 if (rte_crypto_devices[dev_id].attached ==
 702                                 RTE_CRYPTODEV_DETACHED)
 703                         return dev_id;
 704         }
 705         return RTE_CRYPTO_MAX_DEVS;
 706 }
 707
 708 struct rte_cryptodev *
 709 rte_cryptodev_pmd_allocate(const char *name, int socket_id)
 710 {
 711         struct rte_cryptodev *cryptodev;
 712         uint8_t dev_id;
 713
 714         if (rte_cryptodev_pmd_get_named_dev(name) != NULL) {
 715                 CDEV_LOG_ERR("Crypto device with name %s already "
 716                                 "allocated!", name);
 717                 return NULL;
 718         }
 719
 720         dev_id = rte_cryptodev_find_free_device_index();
 721         if (dev_id == RTE_CRYPTO_MAX_DEVS) {
 722                 CDEV_LOG_ERR("Reached maximum number of crypto devices");
 723                 return NULL;
 724         }
 725
 726         cryptodev = rte_cryptodev_pmd_get_dev(dev_id);
 727
 728         if (cryptodev->data == NULL) {
 729                 struct rte_cryptodev_data **cryptodev_data =
 730                                 &cryptodev_globals.data[dev_id];
 731
 732                 int retval = rte_cryptodev_data_alloc(dev_id, cryptodev_data,
 733                                 socket_id);
 734
 735                 if (retval < 0 || *cryptodev_data == NULL)
 736                         return NULL;
 737
 738                 cryptodev->data = *cryptodev_data;
 739
 740                 if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
 741                         strlcpy(cryptodev->data->name, name,
 742                                 RTE_CRYPTODEV_NAME_MAX_LEN);
 743
 744                         cryptodev->data->dev_id = dev_id;
 745                         cryptodev->data->socket_id = socket_id;
 746                         cryptodev->data->dev_started = 0;
 747                 }
 748
 749                 /* init user callbacks */
 750                 TAILQ_INIT(&(cryptodev->link_intr_cbs));
 751
 752                 cryptodev->attached = RTE_CRYPTODEV_ATTACHED;
 753
 754                 cryptodev_globals.nb_devs++;
 755         }
 756
 757         return cryptodev;
 758 }
 759
 760 int
 761 rte_cryptodev_pmd_release_device(struct rte_cryptodev *cryptodev)
 762 {
 763         int ret;
 764         uint8_t dev_id;
 765
 766         if (cryptodev == NULL)
 767                 return -EINVAL;
 768
 769         dev_id = cryptodev->data->dev_id;
 770
 771         /* Close device only if device operations have been set */
 772         if (cryptodev->dev_ops) {
 773                 ret = rte_cryptodev_close(dev_id);
 774                 if (ret < 0)
 775                         return ret;
 776         }
 777
 778         ret = rte_cryptodev_data_free(dev_id, &cryptodev_globals.data[dev_id]);
 779         if (ret < 0)
 780                 return ret;
 781
 782         cryptodev->attached = RTE_CRYPTODEV_DETACHED;
 783         cryptodev_globals.nb_devs--;
 784         return 0;
 785 }
 786
 787 uint16_t
 788 rte_cryptodev_queue_pair_count(uint8_t dev_id)
 789 {
 790         struct rte_cryptodev *dev;
 791
 792         dev = &rte_crypto_devices[dev_id];
 793         return dev->data->nb_queue_pairs;
 794 }
 795
 796 static int
 797 rte_cryptodev_queue_pairs_config(struct rte_cryptodev *dev, uint16_t nb_qpairs,
 798                 int socket_id)
 799 {
 800         struct rte_cryptodev_info dev_info;
 801         void **qp;
 802         unsigned i;
 803
 804         if ((dev == NULL) || (nb_qpairs < 1)) {
 805                 CDEV_LOG_ERR("invalid param: dev %p, nb_queues %u",
 806                                                         dev, nb_qpairs);
 807                 return -EINVAL;
 808         }
 809
 810         CDEV_LOG_DEBUG("Setup %d queues pairs on device %u",
 811                         nb_qpairs, dev->data->dev_id);
 812
 813         memset(&dev_info, 0, sizeof(struct rte_cryptodev_info));
 814
 815         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_infos_get, -ENOTSUP);
 816         (*dev->dev_ops->dev_infos_get)(dev, &dev_info);
 817
 818         if (nb_qpairs > (dev_info.max_nb_queue_pairs)) {
 819                 CDEV_LOG_ERR("Invalid num queue_pairs (%u) for dev %u",
 820                                 nb_qpairs, dev->data->dev_id);
 821             return -EINVAL;
 822         }
 823
 824         if (dev->data->queue_pairs == NULL) { /* first time configuration */
 825                 dev->data->queue_pairs = rte_zmalloc_socket(
 826                                 "cryptodev->queue_pairs",
 827                                 sizeof(dev->data->queue_pairs[0]) * nb_qpairs,
 828                                 RTE_CACHE_LINE_SIZE, socket_id);
 829
 830                 if (dev->data->queue_pairs == NULL) {
 831                         dev->data->nb_queue_pairs = 0;
 832                         CDEV_LOG_ERR("failed to get memory for qp meta data, "
 833                                                         "nb_queues %u",
 834                                                         nb_qpairs);
 835                         return -(ENOMEM);
 836                 }
 837         } else { /* re-configure */
 838                 int ret;
 839                 uint16_t old_nb_queues = dev->data->nb_queue_pairs;
 840
 841                 qp = dev->data->queue_pairs;
 842
 843                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->queue_pair_release,
 844                                 -ENOTSUP);
 845
 846                 for (i = nb_qpairs; i < old_nb_queues; i++) {
 847                         ret = (*dev->dev_ops->queue_pair_release)(dev, i);
 848                         if (ret < 0)
 849                                 return ret;
 850                 }
 851
 852                 qp = rte_realloc(qp, sizeof(qp[0]) * nb_qpairs,
 853                                 RTE_CACHE_LINE_SIZE);
 854                 if (qp == NULL) {
 855                         CDEV_LOG_ERR("failed to realloc qp meta data,"
 856                                                 " nb_queues %u", nb_qpairs);
 857                         return -(ENOMEM);
 858                 }
 859
 860                 if (nb_qpairs > old_nb_queues) {
 861                         uint16_t new_qs = nb_qpairs - old_nb_queues;
 862
 863                         memset(qp + old_nb_queues, 0,
 864                                 sizeof(qp[0]) * new_qs);
 865                 }
 866
 867                 dev->data->queue_pairs = qp;
 868
 869         }
 870         dev->data->nb_queue_pairs = nb_qpairs;
 871         return 0;
 872 }
 873
 874 int
 875 rte_cryptodev_configure(uint8_t dev_id, struct rte_cryptodev_config *config)
 876 {
 877         struct rte_cryptodev *dev;
 878         int diag;
 879
 880         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
 881                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
 882                 return -EINVAL;
 883         }
 884
 885         dev = &rte_crypto_devices[dev_id];
 886
 887         if (dev->data->dev_started) {
 888                 CDEV_LOG_ERR(
 889                     "device %d must be stopped to allow configuration", dev_id);
 890                 return -EBUSY;
 891         }
 892
 893         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_configure, -ENOTSUP);
 894
 895         /* Setup new number of queue pairs and reconfigure device. */
 896         diag = rte_cryptodev_queue_pairs_config(dev, config->nb_queue_pairs,
 897                         config->socket_id);
 898         if (diag != 0) {
 899                 CDEV_LOG_ERR("dev%d rte_crypto_dev_queue_pairs_config = %d",
 900                                 dev_id, diag);
 901                 return diag;
 902         }
 903
 904         return (*dev->dev_ops->dev_configure)(dev, config);
 905 }
 906
 907
 908 int
 909 rte_cryptodev_start(uint8_t dev_id)
 910 {
 911         struct rte_cryptodev *dev;
 912         int diag;
 913
 914         CDEV_LOG_DEBUG("Start dev_id=%" PRIu8, dev_id);
 915
 916         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
 917                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
 918                 return -EINVAL;
 919         }
 920
 921         dev = &rte_crypto_devices[dev_id];
 922
 923         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_start, -ENOTSUP);
 924
 925         if (dev->data->dev_started != 0) {
 926                 CDEV_LOG_ERR("Device with dev_id=%" PRIu8 " already started",
 927                         dev_id);
 928                 return 0;
 929         }
 930
 931         diag = (*dev->dev_ops->dev_start)(dev);
 932         if (diag == 0)
 933                 dev->data->dev_started = 1;
 934         else
 935                 return diag;
 936
 937         return 0;
 938 }
 939
 940 void
 941 rte_cryptodev_stop(uint8_t dev_id)
 942 {
 943         struct rte_cryptodev *dev;
 944
 945         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
 946                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
 947                 return;
 948         }
 949
 950         dev = &rte_crypto_devices[dev_id];
 951
 952         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->dev_stop);
 953
 954         if (dev->data->dev_started == 0) {
 955                 CDEV_LOG_ERR("Device with dev_id=%" PRIu8 " already stopped",
 956                         dev_id);
 957                 return;
 958         }
 959
 960         (*dev->dev_ops->dev_stop)(dev);
 961         dev->data->dev_started = 0;
 962 }
 963
 964 int
 965 rte_cryptodev_close(uint8_t dev_id)
 966 {
 967         struct rte_cryptodev *dev;
 968         int retval;
 969
 970         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
 971                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
 972                 return -1;
 973         }
 974
 975         dev = &rte_crypto_devices[dev_id];
 976
 977         /* Device must be stopped before it can be closed */
 978         if (dev->data->dev_started == 1) {
 979                 CDEV_LOG_ERR("Device %u must be stopped before closing",
 980                                 dev_id);
 981                 return -EBUSY;
 982         }
 983
 984         /* We can't close the device if there are outstanding sessions in use */
 985         if (dev->data->session_pool != NULL) {
 986                 if (!rte_mempool_full(dev->data->session_pool)) {
 987                         CDEV_LOG_ERR("dev_id=%u close failed, session mempool "
 988                                         "has sessions still in use, free "
 989                                         "all sessions before calling close",
 990                                         (unsigned)dev_id);
 991                         return -EBUSY;
 992                 }
 993         }
 994
 995         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_close, -ENOTSUP);
 996         retval = (*dev->dev_ops->dev_close)(dev);
 997
 998         if (retval < 0)
 999                 return retval;
1000
1001         return 0;
1002 }
1003
1004 int
1005 rte_cryptodev_queue_pair_setup(uint8_t dev_id, uint16_t queue_pair_id,
1006                 const struct rte_cryptodev_qp_conf *qp_conf, int socket_id)
1007
1008 {
1009         struct rte_cryptodev *dev;
1010
1011         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
1012                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
1013                 return -EINVAL;
1014         }
1015
1016         dev = &rte_crypto_devices[dev_id];
1017         if (queue_pair_id >= dev->data->nb_queue_pairs) {
1018                 CDEV_LOG_ERR("Invalid queue_pair_id=%d", queue_pair_id);
1019                 return -EINVAL;
1020         }
1021
1022         if (!qp_conf) {
1023                 CDEV_LOG_ERR("qp_conf cannot be NULL\n");
1024                 return -EINVAL;
1025         }
1026
1027         if ((qp_conf->mp_session && !qp_conf->mp_session_private) ||
1028                         (!qp_conf->mp_session && qp_conf->mp_session_private)) {
1029                 CDEV_LOG_ERR("Invalid mempools\n");
1030                 return -EINVAL;
1031         }
1032
1033         if (qp_conf->mp_session) {
1034                 struct rte_cryptodev_sym_session_pool_private_data *pool_priv;
1035                 uint32_t obj_size = qp_conf->mp_session->elt_size;
1036                 uint32_t obj_priv_size = qp_conf->mp_session_private->elt_size;
1037                 struct rte_cryptodev_sym_session s = {0};
1038
1039                 pool_priv = rte_mempool_get_priv(qp_conf->mp_session);
1040                 if (!pool_priv || qp_conf->mp_session->private_data_size <
1041                                 sizeof(*pool_priv)) {
1042                         CDEV_LOG_ERR("Invalid mempool\n");
1043                         return -EINVAL;
1044                 }
1045
1046                 s.nb_drivers = pool_priv->nb_drivers;
1047                 s.user_data_sz = pool_priv->user_data_sz;
1048
1049                 if ((rte_cryptodev_sym_get_existing_header_session_size(&s) >
1050                         obj_size) || (s.nb_drivers <= dev->driver_id) ||
1051                         rte_cryptodev_sym_get_private_session_size(dev_id) >
1052                                 obj_priv_size) {
1053                         CDEV_LOG_ERR("Invalid mempool\n");
1054                         return -EINVAL;
1055                 }
1056         }
1057
1058         if (dev->data->dev_started) {
1059                 CDEV_LOG_ERR(
1060                     "device %d must be stopped to allow configuration", dev_id);
1061                 return -EBUSY;
1062         }
1063
1064         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->queue_pair_setup, -ENOTSUP);
1065
1066         return (*dev->dev_ops->queue_pair_setup)(dev, queue_pair_id, qp_conf,
1067                         socket_id);
1068 }
1069
1070
1071 int
1072 rte_cryptodev_stats_get(uint8_t dev_id, struct rte_cryptodev_stats *stats)
1073 {
1074         struct rte_cryptodev *dev;
1075
1076         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
1077                 CDEV_LOG_ERR("Invalid dev_id=%d", dev_id);
1078                 return -ENODEV;
1079         }
1080
1081         if (stats == NULL) {
1082                 CDEV_LOG_ERR("Invalid stats ptr");
1083                 return -EINVAL;
1084         }
1085
1086         dev = &rte_crypto_devices[dev_id];
1087         memset(stats, 0, sizeof(*stats));
1088
1089         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->stats_get, -ENOTSUP);
1090         (*dev->dev_ops->stats_get)(dev, stats);
1091         return 0;
1092 }
1093
1094 void
1095 rte_cryptodev_stats_reset(uint8_t dev_id)
1096 {
1097         struct rte_cryptodev *dev;
1098
1099         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
1100                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
1101                 return;
1102         }
1103
1104         dev = &rte_crypto_devices[dev_id];
1105
1106         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->stats_reset);
1107         (*dev->dev_ops->stats_reset)(dev);
1108 }
1109
1110
1111 void
1112 rte_cryptodev_info_get(uint8_t dev_id, struct rte_cryptodev_info *dev_info)
1113 {
1114         struct rte_cryptodev *dev;
1115
1116         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
1117                 CDEV_LOG_ERR("Invalid dev_id=%d", dev_id);
1118                 return;
1119         }
1120
1121         dev = &rte_crypto_devices[dev_id];
1122
1123         memset(dev_info, 0, sizeof(struct rte_cryptodev_info));
1124
1125         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->dev_infos_get);
1126         (*dev->dev_ops->dev_infos_get)(dev, dev_info);
1127
1128         dev_info->driver_name = dev->device->driver->name;
1129         dev_info->device = dev->device;
1130 }
1131
1132
1133 int
1134 rte_cryptodev_callback_register(uint8_t dev_id,
1135                         enum rte_cryptodev_event_type event,
1136                         rte_cryptodev_cb_fn cb_fn, void *cb_arg)
1137 {
1138         struct rte_cryptodev *dev;
1139         struct rte_cryptodev_callback *user_cb;
1140
1141         if (!cb_fn)
1142                 return -EINVAL;
1143
1144         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
1145                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
1146                 return -EINVAL;
1147         }
1148
1149         dev = &rte_crypto_devices[dev_id];
1150         rte_spinlock_lock(&rte_cryptodev_cb_lock);
1151
1152         TAILQ_FOREACH(user_cb, &(dev->link_intr_cbs), next) {
1153                 if (user_cb->cb_fn == cb_fn &&
1154                         user_cb->cb_arg == cb_arg &&
1155                         user_cb->event == event) {
1156                         break;
1157                 }
1158         }
1159
1160         /* create a new callback. */
1161         if (user_cb == NULL) {
1162                 user_cb = rte_zmalloc("INTR_USER_CALLBACK",
1163                                 sizeof(struct rte_cryptodev_callback), 0);
1164                 if (user_cb != NULL) {
1165                         user_cb->cb_fn = cb_fn;
1166                         user_cb->cb_arg = cb_arg;
1167                         user_cb->event = event;
1168                         TAILQ_INSERT_TAIL(&(dev->link_intr_cbs), user_cb, next);
1169                 }
1170         }
1171
1172         rte_spinlock_unlock(&rte_cryptodev_cb_lock);
1173         return (user_cb == NULL) ? -ENOMEM : 0;
1174 }
1175
1176 int
1177 rte_cryptodev_callback_unregister(uint8_t dev_id,
1178                         enum rte_cryptodev_event_type event,
1179                         rte_cryptodev_cb_fn cb_fn, void *cb_arg)
1180 {
1181         int ret;
1182         struct rte_cryptodev *dev;
1183         struct rte_cryptodev_callback *cb, *next;
1184
1185         if (!cb_fn)
1186                 return -EINVAL;
1187
1188         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
1189                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
1190                 return -EINVAL;
1191         }
1192
1193         dev = &rte_crypto_devices[dev_id];
1194         rte_spinlock_lock(&rte_cryptodev_cb_lock);
1195
1196         ret = 0;
1197         for (cb = TAILQ_FIRST(&dev->link_intr_cbs); cb != NULL; cb = next) {
1198
1199                 next = TAILQ_NEXT(cb, next);
1200
1201                 if (cb->cb_fn != cb_fn || cb->event != event ||
1202                                 (cb->cb_arg != (void *)-1 &&
1203                                 cb->cb_arg != cb_arg))
1204                         continue;
1205
1206                 /*
1207                  * if this callback is not executing right now,
1208                  * then remove it.
1209                  */
1210                 if (cb->active == 0) {
1211                         TAILQ_REMOVE(&(dev->link_intr_cbs), cb, next);
1212                         rte_free(cb);
1213                 } else {
1214                         ret = -EAGAIN;
1215                 }
1216         }
1217
1218         rte_spinlock_unlock(&rte_cryptodev_cb_lock);
1219         return ret;
1220 }
1221
1222 void
1223 rte_cryptodev_pmd_callback_process(struct rte_cryptodev *dev,
1224         enum rte_cryptodev_event_type event)
1225 {
1226         struct rte_cryptodev_callback *cb_lst;
1227         struct rte_cryptodev_callback dev_cb;
1228
1229         rte_spinlock_lock(&rte_cryptodev_cb_lock);
1230         TAILQ_FOREACH(cb_lst, &(dev->link_intr_cbs), next) {
1231                 if (cb_lst->cb_fn == NULL || cb_lst->event != event)
1232                         continue;
1233                 dev_cb = *cb_lst;
1234                 cb_lst->active = 1;
1235                 rte_spinlock_unlock(&rte_cryptodev_cb_lock);
1236                 dev_cb.cb_fn(dev->data->dev_id, dev_cb.event,
1237                                                 dev_cb.cb_arg);
1238                 rte_spinlock_lock(&rte_cryptodev_cb_lock);
1239                 cb_lst->active = 0;
1240         }
1241         rte_spinlock_unlock(&rte_cryptodev_cb_lock);
1242 }
1243
1244
1245 int
1246 rte_cryptodev_sym_session_init(uint8_t dev_id,
1247                 struct rte_cryptodev_sym_session *sess,
1248                 struct rte_crypto_sym_xform *xforms,
1249                 struct rte_mempool *mp)
1250 {
1251         struct rte_cryptodev *dev;
1252         uint32_t sess_priv_sz = rte_cryptodev_sym_get_private_session_size(
1253                         dev_id);
1254         uint8_t index;
1255         int ret;
1256
1257         dev = rte_cryptodev_pmd_get_dev(dev_id);
1258
1259         if (sess == NULL || xforms == NULL || dev == NULL)
1260                 return -EINVAL;
1261
1262         if (mp->elt_size < sess_priv_sz)
1263                 return -EINVAL;
1264
1265         index = dev->driver_id;
1266         if (index >= sess->nb_drivers)
1267                 return -EINVAL;
1268
1269         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->sym_session_configure, -ENOTSUP);
1270
1271         if (sess->sess_data[index].refcnt == 0) {
1272                 ret = dev->dev_ops->sym_session_configure(dev, xforms,
1273                                                         sess, mp);
1274                 if (ret < 0) {
1275                         CDEV_LOG_ERR(
1276                                 "dev_id %d failed to configure session details",
1277                                 dev_id);
1278                         return ret;
1279                 }
1280         }
1281
1282         sess->sess_data[index].refcnt++;
1283         return 0;
1284 }
1285
1286 int
1287 rte_cryptodev_asym_session_init(uint8_t dev_id,
1288                 struct rte_cryptodev_asym_session *sess,
1289                 struct rte_crypto_asym_xform *xforms,
1290                 struct rte_mempool *mp)
1291 {
1292         struct rte_cryptodev *dev;
1293         uint8_t index;
1294         int ret;
1295
1296         dev = rte_cryptodev_pmd_get_dev(dev_id);
1297
1298         if (sess == NULL || xforms == NULL || dev == NULL)
1299                 return -EINVAL;
1300
1301         index = dev->driver_id;
1302
1303         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->asym_session_configure,
1304                                 -ENOTSUP);
1305
1306         if (sess->sess_private_data[index] == NULL) {
1307                 ret = dev->dev_ops->asym_session_configure(dev,
1308                                                         xforms,
1309                                                         sess, mp);
1310                 if (ret < 0) {
1311                         CDEV_LOG_ERR(
1312                                 "dev_id %d failed to configure session details",
1313                                 dev_id);
1314                         return ret;
1315                 }
1316         }
1317
1318         return 0;
1319 }
1320
1321 struct rte_mempool *
1322 rte_cryptodev_sym_session_pool_create(const char *name, uint32_t nb_elts,
1323         uint32_t elt_size, uint32_t cache_size, uint16_t user_data_size,
1324         int socket_id)
1325 {
1326         struct rte_mempool *mp;
1327         struct rte_cryptodev_sym_session_pool_private_data *pool_priv;
1328         uint32_t obj_sz;
1329
1330         obj_sz = rte_cryptodev_sym_get_header_session_size() + user_data_size;
1331         if (obj_sz > elt_size)
1332                 CDEV_LOG_INFO("elt_size %u is expanded to %u\n", elt_size,
1333                                 obj_sz);
1334         else
1335                 obj_sz = elt_size;
1336
1337         mp = rte_mempool_create(name, nb_elts, obj_sz, cache_size,
1338                         (uint32_t)(sizeof(*pool_priv)),
1339                         NULL, NULL, NULL, NULL,
1340                         socket_id, 0);
1341         if (mp == NULL) {
1342                 CDEV_LOG_ERR("%s(name=%s) failed, rte_errno=%d\n",
1343                         __func__, name, rte_errno);
1344                 return NULL;
1345         }
1346
1347         pool_priv = rte_mempool_get_priv(mp);
1348         if (!pool_priv) {
1349                 CDEV_LOG_ERR("%s(name=%s) failed to get private data\n",
1350                         __func__, name);
1351                 rte_mempool_free(mp);
1352                 return NULL;
1353         }
1354
1355         pool_priv->nb_drivers = nb_drivers;
1356         pool_priv->user_data_sz = user_data_size;
1357
1358         return mp;
1359 }
1360
1361 static unsigned int
1362 rte_cryptodev_sym_session_data_size(struct rte_cryptodev_sym_session *sess)
1363 {
1364         return (sizeof(sess->sess_data[0]) * sess->nb_drivers) +
1365                         sess->user_data_sz;
1366 }
1367
1368 struct rte_cryptodev_sym_session *
1369 rte_cryptodev_sym_session_create(struct rte_mempool *mp)
1370 {
1371         struct rte_cryptodev_sym_session *sess;
1372         struct rte_cryptodev_sym_session_pool_private_data *pool_priv;
1373
1374         if (!mp) {
1375                 CDEV_LOG_ERR("Invalid mempool\n");
1376                 return NULL;
1377         }
1378
1379         pool_priv = rte_mempool_get_priv(mp);
1380
1381         if (!pool_priv || mp->private_data_size < sizeof(*pool_priv)) {
1382                 CDEV_LOG_ERR("Invalid mempool\n");
1383                 return NULL;
1384         }
1385
1386         /* Allocate a session structure from the session pool */
1387         if (rte_mempool_get(mp, (void **)&sess)) {
1388                 CDEV_LOG_ERR("couldn't get object from session mempool");
1389                 return NULL;
1390         }
1391
1392         sess->nb_drivers = pool_priv->nb_drivers;
1393         sess->user_data_sz = pool_priv->user_data_sz;
1394         sess->opaque_data = 0;
1395
1396         /* Clear device session pointer.
1397          * Include the flag indicating presence of user data
1398          */
1399         memset(sess->sess_data, 0,
1400                         rte_cryptodev_sym_session_data_size(sess));
1401
1402         return sess;
1403 }
1404
1405 struct rte_cryptodev_asym_session *
1406 rte_cryptodev_asym_session_create(struct rte_mempool *mp)
1407 {
1408         struct rte_cryptodev_asym_session *sess;
1409
1410         /* Allocate a session structure from the session pool */
1411         if (rte_mempool_get(mp, (void **)&sess)) {
1412                 CDEV_LOG_ERR("couldn't get object from session mempool");
1413                 return NULL;
1414         }
1415
1416         /* Clear device session pointer.
1417          * Include the flag indicating presence of private data
1418          */
1419         memset(sess, 0, (sizeof(void *) * nb_drivers) + sizeof(uint8_t));
1420
1421         return sess;
1422 }
1423
1424 int
1425 rte_cryptodev_sym_session_clear(uint8_t dev_id,
1426                 struct rte_cryptodev_sym_session *sess)
1427 {
1428         struct rte_cryptodev *dev;
1429         uint8_t driver_id;
1430
1431         dev = rte_cryptodev_pmd_get_dev(dev_id);
1432
1433         if (dev == NULL || sess == NULL)
1434                 return -EINVAL;
1435
1436         driver_id = dev->driver_id;
1437         if (sess->sess_data[driver_id].refcnt == 0)
1438                 return 0;
1439         if (--sess->sess_data[driver_id].refcnt != 0)
1440                 return -EBUSY;
1441
1442         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->sym_session_clear, -ENOTSUP);
1443
1444         dev->dev_ops->sym_session_clear(dev, sess);
1445
1446         return 0;
1447 }
1448
1449 int
1450 rte_cryptodev_asym_session_clear(uint8_t dev_id,
1451                 struct rte_cryptodev_asym_session *sess)
1452 {
1453         struct rte_cryptodev *dev;
1454
1455         dev = rte_cryptodev_pmd_get_dev(dev_id);
1456
1457         if (dev == NULL || sess == NULL)
1458                 return -EINVAL;
1459
1460         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->asym_session_clear, -ENOTSUP);
1461
1462         dev->dev_ops->asym_session_clear(dev, sess);
1463
1464         return 0;
1465 }
1466
1467 int
1468 rte_cryptodev_sym_session_free(struct rte_cryptodev_sym_session *sess)
1469 {
1470         uint8_t i;
1471         struct rte_mempool *sess_mp;
1472
1473         if (sess == NULL)
1474                 return -EINVAL;
1475
1476         /* Check that all device private data has been freed */
1477         for (i = 0; i < sess->nb_drivers; i++) {
1478                 if (sess->sess_data[i].refcnt != 0)
1479                         return -EBUSY;
1480         }
1481
1482         /* Return session to mempool */
1483         sess_mp = rte_mempool_from_obj(sess);
1484         rte_mempool_put(sess_mp, sess);
1485
1486         return 0;
1487 }
1488
1489 int
1490 rte_cryptodev_asym_session_free(struct rte_cryptodev_asym_session *sess)
1491 {
1492         uint8_t i;
1493         void *sess_priv;
1494         struct rte_mempool *sess_mp;
1495
1496         if (sess == NULL)
1497                 return -EINVAL;
1498
1499         /* Check that all device private data has been freed */
1500         for (i = 0; i < nb_drivers; i++) {
1501                 sess_priv = get_asym_session_private_data(sess, i);
1502                 if (sess_priv != NULL)
1503                         return -EBUSY;
1504         }
1505
1506         /* Return session to mempool */
1507         sess_mp = rte_mempool_from_obj(sess);
1508         rte_mempool_put(sess_mp, sess);
1509
1510         return 0;
1511 }
1512
1513 unsigned int
1514 rte_cryptodev_sym_get_header_session_size(void)
1515 {
1516         /*
1517          * Header contains pointers to the private data of all registered
1518          * drivers and all necessary information to ensure safely clear
1519          * or free al session.
1520          */
1521         struct rte_cryptodev_sym_session s = {0};
1522
1523         s.nb_drivers = nb_drivers;
1524
1525         return (unsigned int)(sizeof(s) +
1526                         rte_cryptodev_sym_session_data_size(&s));
1527 }
1528
1529 unsigned int
1530 rte_cryptodev_sym_get_existing_header_session_size(
1531                 struct rte_cryptodev_sym_session *sess)
1532 {
1533         if (!sess)
1534                 return 0;
1535         else
1536                 return (unsigned int)(sizeof(*sess) +
1537                                 rte_cryptodev_sym_session_data_size(sess));
1538 }
1539
1540 unsigned int
1541 rte_cryptodev_asym_get_header_session_size(void)
1542 {
1543         /*
1544          * Header contains pointers to the private data
1545          * of all registered drivers, and a flag which
1546          * indicates presence of private data
1547          */
1548         return ((sizeof(void *) * nb_drivers) + sizeof(uint8_t));
1549 }
1550
1551 unsigned int
1552 rte_cryptodev_sym_get_private_session_size(uint8_t dev_id)
1553 {
1554         struct rte_cryptodev *dev;
1555         unsigned int priv_sess_size;
1556
1557         if (!rte_cryptodev_pmd_is_valid_dev(dev_id))
1558                 return 0;
1559
1560         dev = rte_cryptodev_pmd_get_dev(dev_id);
1561
1562         if (*dev->dev_ops->sym_session_get_size == NULL)
1563                 return 0;
1564
1565         priv_sess_size = (*dev->dev_ops->sym_session_get_size)(dev);
1566
1567         return priv_sess_size;
1568 }
1569
1570 unsigned int
1571 rte_cryptodev_asym_get_private_session_size(uint8_t dev_id)
1572 {
1573         struct rte_cryptodev *dev;
1574         unsigned int header_size = sizeof(void *) * nb_drivers;
1575         unsigned int priv_sess_size;
1576
1577         if (!rte_cryptodev_pmd_is_valid_dev(dev_id))
1578                 return 0;
1579
1580         dev = rte_cryptodev_pmd_get_dev(dev_id);
1581
1582         if (*dev->dev_ops->asym_session_get_size == NULL)
1583                 return 0;
1584
1585         priv_sess_size = (*dev->dev_ops->asym_session_get_size)(dev);
1586         if (priv_sess_size < header_size)
1587                 return header_size;
1588
1589         return priv_sess_size;
1590
1591 }
1592
1593 int
1594 rte_cryptodev_sym_session_set_user_data(
1595                                         struct rte_cryptodev_sym_session *sess,
1596                                         void *data,
1597                                         uint16_t size)
1598 {
1599         if (sess == NULL)
1600                 return -EINVAL;
1601
1602         if (sess->user_data_sz < size)
1603                 return -ENOMEM;
1604
1605         rte_memcpy(sess->sess_data + sess->nb_drivers, data, size);
1606         return 0;
1607 }
1608
1609 void *
1610 rte_cryptodev_sym_session_get_user_data(
1611                                         struct rte_cryptodev_sym_session *sess)
1612 {
1613         if (sess == NULL || sess->user_data_sz == 0)
1614                 return NULL;
1615
1616         return (void *)(sess->sess_data + sess->nb_drivers);
1617 }
1618
1619 /** Initialise rte_crypto_op mempool element */
1620 static void
1621 rte_crypto_op_init(struct rte_mempool *mempool,
1622                 void *opaque_arg,
1623                 void *_op_data,
1624                 __rte_unused unsigned i)
1625 {
1626         struct rte_crypto_op *op = _op_data;
1627         enum rte_crypto_op_type type = *(enum rte_crypto_op_type *)opaque_arg;
1628
1629         memset(_op_data, 0, mempool->elt_size);
1630
1631         __rte_crypto_op_reset(op, type);
1632
1633         op->phys_addr = rte_mem_virt2iova(_op_data);
1634         op->mempool = mempool;
1635 }
1636
1637
1638 struct rte_mempool *
1639 rte_crypto_op_pool_create(const char *name, enum rte_crypto_op_type type,
1640                 unsigned nb_elts, unsigned cache_size, uint16_t priv_size,
1641                 int socket_id)
1642 {
1643         struct rte_crypto_op_pool_private *priv;
1644
1645         unsigned elt_size = sizeof(struct rte_crypto_op) +
1646                         priv_size;
1647
1648         if (type == RTE_CRYPTO_OP_TYPE_SYMMETRIC) {
1649                 elt_size += sizeof(struct rte_crypto_sym_op);
1650         } else if (type == RTE_CRYPTO_OP_TYPE_ASYMMETRIC) {
1651                 elt_size += sizeof(struct rte_crypto_asym_op);
1652         } else if (type == RTE_CRYPTO_OP_TYPE_UNDEFINED) {
1653                 elt_size += RTE_MAX(sizeof(struct rte_crypto_sym_op),
1654                                     sizeof(struct rte_crypto_asym_op));
1655         } else {
1656                 CDEV_LOG_ERR("Invalid op_type\n");
1657                 return NULL;
1658         }
1659
1660         /* lookup mempool in case already allocated */
1661         struct rte_mempool *mp = rte_mempool_lookup(name);
1662
1663         if (mp != NULL) {
1664                 priv = (struct rte_crypto_op_pool_private *)
1665                                 rte_mempool_get_priv(mp);
1666
1667                 if (mp->elt_size != elt_size ||
1668                                 mp->cache_size < cache_size ||
1669                                 mp->size < nb_elts ||
1670                                 priv->priv_size <  priv_size) {
1671                         mp = NULL;
1672                         CDEV_LOG_ERR("Mempool %s already exists but with "
1673                                         "incompatible parameters", name);
1674                         return NULL;
1675                 }
1676                 return mp;
1677         }
1678
1679         mp = rte_mempool_create(
1680                         name,
1681                         nb_elts,
1682                         elt_size,
1683                         cache_size,
1684                         sizeof(struct rte_crypto_op_pool_private),
1685                         NULL,
1686                         NULL,
1687                         rte_crypto_op_init,
1688                         &type,
1689                         socket_id,
1690                         0);
1691
1692         if (mp == NULL) {
1693                 CDEV_LOG_ERR("Failed to create mempool %s", name);
1694                 return NULL;
1695         }
1696
1697         priv = (struct rte_crypto_op_pool_private *)
1698                         rte_mempool_get_priv(mp);
1699
1700         priv->priv_size = priv_size;
1701         priv->type = type;
1702
1703         return mp;
1704 }
1705
1706 int
1707 rte_cryptodev_pmd_create_dev_name(char *name, const char *dev_name_prefix)
1708 {
1709         struct rte_cryptodev *dev = NULL;
1710         uint32_t i = 0;
1711
1712         if (name == NULL)
1713                 return -EINVAL;
1714
1715         for (i = 0; i < RTE_CRYPTO_MAX_DEVS; i++) {
1716                 int ret = snprintf(name, RTE_CRYPTODEV_NAME_MAX_LEN,
1717                                 "%s_%u", dev_name_prefix, i);
1718
1719                 if (ret < 0)
1720                         return ret;
1721
1722                 dev = rte_cryptodev_pmd_get_named_dev(name);
1723                 if (!dev)
1724                         return 0;
1725         }
1726
1727         return -1;
1728 }
1729
1730 TAILQ_HEAD(cryptodev_driver_list, cryptodev_driver);
1731
1732 static struct cryptodev_driver_list cryptodev_driver_list =
1733         TAILQ_HEAD_INITIALIZER(cryptodev_driver_list);
1734
1735 int
1736 rte_cryptodev_driver_id_get(const char *name)
1737 {
1738         struct cryptodev_driver *driver;
1739         const char *driver_name;
1740
1741         if (name == NULL) {
1742                 RTE_LOG(DEBUG, CRYPTODEV, "name pointer NULL");
1743                 return -1;
1744         }
1745
1746         TAILQ_FOREACH(driver, &cryptodev_driver_list, next) {
1747                 driver_name = driver->driver->name;
1748                 if (strncmp(driver_name, name, strlen(driver_name) + 1) == 0)
1749                         return driver->id;
1750         }
1751         return -1;
1752 }
1753
1754 const char *
1755 rte_cryptodev_name_get(uint8_t dev_id)
1756 {
1757         struct rte_cryptodev *dev = rte_cryptodev_pmd_get_dev(dev_id);
1758
1759         if (dev == NULL)
1760                 return NULL;
1761
1762         return dev->data->name;
1763 }
1764
1765 const char *
1766 rte_cryptodev_driver_name_get(uint8_t driver_id)
1767 {
1768         struct cryptodev_driver *driver;
1769
1770         TAILQ_FOREACH(driver, &cryptodev_driver_list, next)
1771                 if (driver->id == driver_id)
1772                         return driver->driver->name;
1773         return NULL;
1774 }
1775
1776 uint8_t
1777 rte_cryptodev_allocate_driver(struct cryptodev_driver *crypto_drv,
1778                 const struct rte_driver *drv)
1779 {
1780         crypto_drv->driver = drv;
1781         crypto_drv->id = nb_drivers;
1782
1783         TAILQ_INSERT_TAIL(&cryptodev_driver_list, crypto_drv, next);
1784
1785         return nb_drivers++;
1786 }