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 struct rte_cryptodev rte_crypto_devices[RTE_CRYPTO_MAX_DEVS];
  47
  48 struct rte_cryptodev *rte_cryptodevs = &rte_crypto_devices[0];
  49
  50 static struct rte_cryptodev_global cryptodev_globals = {
  51                 .devs                   = &rte_crypto_devices[0],
  52                 .data                   = { NULL },
  53                 .nb_devs                = 0,
  54                 .max_devs               = RTE_CRYPTO_MAX_DEVS
  55 };
  56
  57 struct rte_cryptodev_global *rte_cryptodev_globals = &cryptodev_globals;
  58
  59 /* spinlock for crypto device callbacks */
  60 static rte_spinlock_t rte_cryptodev_cb_lock = RTE_SPINLOCK_INITIALIZER;
  61
  62
  63 /**
  64  * The user application callback description.
  65  *
  66  * It contains callback address to be registered by user application,
  67  * the pointer to the parameters for callback, and the event type.
  68  */
  69 struct rte_cryptodev_callback {
  70         TAILQ_ENTRY(rte_cryptodev_callback) next; /**< Callbacks list */
  71         rte_cryptodev_cb_fn cb_fn;              /**< Callback address */
  72         void *cb_arg;                           /**< Parameter for callback */
  73         enum rte_cryptodev_event_type event;    /**< Interrupt event type */
  74         uint32_t active;                        /**< Callback is executing */
  75 };
  76
  77 /**
  78  * The crypto cipher algorithm strings identifiers.
  79  * It could be used in application command line.
  80  */
  81 const char *
  82 rte_crypto_cipher_algorithm_strings[] = {
  83         [RTE_CRYPTO_CIPHER_3DES_CBC]    = "3des-cbc",
  84         [RTE_CRYPTO_CIPHER_3DES_ECB]    = "3des-ecb",
  85         [RTE_CRYPTO_CIPHER_3DES_CTR]    = "3des-ctr",
  86
  87         [RTE_CRYPTO_CIPHER_AES_CBC]     = "aes-cbc",
  88         [RTE_CRYPTO_CIPHER_AES_CTR]     = "aes-ctr",
  89         [RTE_CRYPTO_CIPHER_AES_DOCSISBPI]       = "aes-docsisbpi",
  90         [RTE_CRYPTO_CIPHER_AES_ECB]     = "aes-ecb",
  91         [RTE_CRYPTO_CIPHER_AES_F8]      = "aes-f8",
  92         [RTE_CRYPTO_CIPHER_AES_XTS]     = "aes-xts",
  93
  94         [RTE_CRYPTO_CIPHER_ARC4]        = "arc4",
  95
  96         [RTE_CRYPTO_CIPHER_DES_CBC]     = "des-cbc",
  97         [RTE_CRYPTO_CIPHER_DES_DOCSISBPI]       = "des-docsisbpi",
  98
  99         [RTE_CRYPTO_CIPHER_NULL]        = "null",
 100
 101         [RTE_CRYPTO_CIPHER_KASUMI_F8]   = "kasumi-f8",
 102         [RTE_CRYPTO_CIPHER_SNOW3G_UEA2] = "snow3g-uea2",
 103         [RTE_CRYPTO_CIPHER_ZUC_EEA3]    = "zuc-eea3"
 104 };
 105
 106 /**
 107  * The crypto cipher operation strings identifiers.
 108  * It could be used in application command line.
 109  */
 110 const char *
 111 rte_crypto_cipher_operation_strings[] = {
 112                 [RTE_CRYPTO_CIPHER_OP_ENCRYPT]  = "encrypt",
 113                 [RTE_CRYPTO_CIPHER_OP_DECRYPT]  = "decrypt"
 114 };
 115
 116 /**
 117  * The crypto auth algorithm strings identifiers.
 118  * It could be used in application command line.
 119  */
 120 const char *
 121 rte_crypto_auth_algorithm_strings[] = {
 122         [RTE_CRYPTO_AUTH_AES_CBC_MAC]   = "aes-cbc-mac",
 123         [RTE_CRYPTO_AUTH_AES_CMAC]      = "aes-cmac",
 124         [RTE_CRYPTO_AUTH_AES_GMAC]      = "aes-gmac",
 125         [RTE_CRYPTO_AUTH_AES_XCBC_MAC]  = "aes-xcbc-mac",
 126
 127         [RTE_CRYPTO_AUTH_MD5]           = "md5",
 128         [RTE_CRYPTO_AUTH_MD5_HMAC]      = "md5-hmac",
 129
 130         [RTE_CRYPTO_AUTH_NULL]          = "null",
 131
 132         [RTE_CRYPTO_AUTH_SHA1]          = "sha1",
 133         [RTE_CRYPTO_AUTH_SHA1_HMAC]     = "sha1-hmac",
 134
 135         [RTE_CRYPTO_AUTH_SHA224]        = "sha2-224",
 136         [RTE_CRYPTO_AUTH_SHA224_HMAC]   = "sha2-224-hmac",
 137         [RTE_CRYPTO_AUTH_SHA256]        = "sha2-256",
 138         [RTE_CRYPTO_AUTH_SHA256_HMAC]   = "sha2-256-hmac",
 139         [RTE_CRYPTO_AUTH_SHA384]        = "sha2-384",
 140         [RTE_CRYPTO_AUTH_SHA384_HMAC]   = "sha2-384-hmac",
 141         [RTE_CRYPTO_AUTH_SHA512]        = "sha2-512",
 142         [RTE_CRYPTO_AUTH_SHA512_HMAC]   = "sha2-512-hmac",
 143
 144         [RTE_CRYPTO_AUTH_KASUMI_F9]     = "kasumi-f9",
 145         [RTE_CRYPTO_AUTH_SNOW3G_UIA2]   = "snow3g-uia2",
 146         [RTE_CRYPTO_AUTH_ZUC_EIA3]      = "zuc-eia3"
 147 };
 148
 149 /**
 150  * The crypto AEAD algorithm strings identifiers.
 151  * It could be used in application command line.
 152  */
 153 const char *
 154 rte_crypto_aead_algorithm_strings[] = {
 155         [RTE_CRYPTO_AEAD_AES_CCM]       = "aes-ccm",
 156         [RTE_CRYPTO_AEAD_AES_GCM]       = "aes-gcm",
 157 };
 158
 159 /**
 160  * The crypto AEAD operation strings identifiers.
 161  * It could be used in application command line.
 162  */
 163 const char *
 164 rte_crypto_aead_operation_strings[] = {
 165         [RTE_CRYPTO_AEAD_OP_ENCRYPT]    = "encrypt",
 166         [RTE_CRYPTO_AEAD_OP_DECRYPT]    = "decrypt"
 167 };
 168
 169 int
 170 rte_cryptodev_get_cipher_algo_enum(enum rte_crypto_cipher_algorithm *algo_enum,
 171                 const char *algo_string)
 172 {
 173         unsigned int i;
 174
 175         for (i = 1; i < RTE_DIM(rte_crypto_cipher_algorithm_strings); i++) {
 176                 if (strcmp(algo_string, rte_crypto_cipher_algorithm_strings[i]) == 0) {
 177                         *algo_enum = (enum rte_crypto_cipher_algorithm) i;
 178                         return 0;
 179                 }
 180         }
 181
 182         /* Invalid string */
 183         return -1;
 184 }
 185
 186 int
 187 rte_cryptodev_get_auth_algo_enum(enum rte_crypto_auth_algorithm *algo_enum,
 188                 const char *algo_string)
 189 {
 190         unsigned int i;
 191
 192         for (i = 1; i < RTE_DIM(rte_crypto_auth_algorithm_strings); i++) {
 193                 if (strcmp(algo_string, rte_crypto_auth_algorithm_strings[i]) == 0) {
 194                         *algo_enum = (enum rte_crypto_auth_algorithm) i;
 195                         return 0;
 196                 }
 197         }
 198
 199         /* Invalid string */
 200         return -1;
 201 }
 202
 203 int
 204 rte_cryptodev_get_aead_algo_enum(enum rte_crypto_aead_algorithm *algo_enum,
 205                 const char *algo_string)
 206 {
 207         unsigned int i;
 208
 209         for (i = 1; i < RTE_DIM(rte_crypto_aead_algorithm_strings); i++) {
 210                 if (strcmp(algo_string, rte_crypto_aead_algorithm_strings[i]) == 0) {
 211                         *algo_enum = (enum rte_crypto_aead_algorithm) i;
 212                         return 0;
 213                 }
 214         }
 215
 216         /* Invalid string */
 217         return -1;
 218 }
 219
 220 /**
 221  * The crypto auth operation strings identifiers.
 222  * It could be used in application command line.
 223  */
 224 const char *
 225 rte_crypto_auth_operation_strings[] = {
 226                 [RTE_CRYPTO_AUTH_OP_VERIFY]     = "verify",
 227                 [RTE_CRYPTO_AUTH_OP_GENERATE]   = "generate"
 228 };
 229
 230 const struct rte_cryptodev_symmetric_capability *
 231 rte_cryptodev_sym_capability_get(uint8_t dev_id,
 232                 const struct rte_cryptodev_sym_capability_idx *idx)
 233 {
 234         const struct rte_cryptodev_capabilities *capability;
 235         struct rte_cryptodev_info dev_info;
 236         int i = 0;
 237
 238         rte_cryptodev_info_get(dev_id, &dev_info);
 239
 240         while ((capability = &dev_info.capabilities[i++])->op !=
 241                         RTE_CRYPTO_OP_TYPE_UNDEFINED) {
 242                 if (capability->op != RTE_CRYPTO_OP_TYPE_SYMMETRIC)
 243                         continue;
 244
 245                 if (capability->sym.xform_type != idx->type)
 246                         continue;
 247
 248                 if (idx->type == RTE_CRYPTO_SYM_XFORM_AUTH &&
 249                         capability->sym.auth.algo == idx->algo.auth)
 250                         return &capability->sym;
 251
 252                 if (idx->type == RTE_CRYPTO_SYM_XFORM_CIPHER &&
 253                         capability->sym.cipher.algo == idx->algo.cipher)
 254                         return &capability->sym;
 255
 256                 if (idx->type == RTE_CRYPTO_SYM_XFORM_AEAD &&
 257                                 capability->sym.aead.algo == idx->algo.aead)
 258                         return &capability->sym;
 259         }
 260
 261         return NULL;
 262
 263 }
 264
 265 static int
 266 param_range_check(uint16_t size, const struct rte_crypto_param_range *range)
 267 {
 268         unsigned int next_size;
 269
 270         /* Check lower/upper bounds */
 271         if (size < range->min)
 272                 return -1;
 273
 274         if (size > range->max)
 275                 return -1;
 276
 277         /* If range is actually only one value, size is correct */
 278         if (range->increment == 0)
 279                 return 0;
 280
 281         /* Check if value is one of the supported sizes */
 282         for (next_size = range->min; next_size <= range->max;
 283                         next_size += range->increment)
 284                 if (size == next_size)
 285                         return 0;
 286
 287         return -1;
 288 }
 289
 290 int
 291 rte_cryptodev_sym_capability_check_cipher(
 292                 const struct rte_cryptodev_symmetric_capability *capability,
 293                 uint16_t key_size, uint16_t iv_size)
 294 {
 295         if (param_range_check(key_size, &capability->cipher.key_size) != 0)
 296                 return -1;
 297
 298         if (param_range_check(iv_size, &capability->cipher.iv_size) != 0)
 299                 return -1;
 300
 301         return 0;
 302 }
 303
 304 int
 305 rte_cryptodev_sym_capability_check_auth(
 306                 const struct rte_cryptodev_symmetric_capability *capability,
 307                 uint16_t key_size, uint16_t digest_size, uint16_t iv_size)
 308 {
 309         if (param_range_check(key_size, &capability->auth.key_size) != 0)
 310                 return -1;
 311
 312         if (param_range_check(digest_size, &capability->auth.digest_size) != 0)
 313                 return -1;
 314
 315         if (param_range_check(iv_size, &capability->auth.iv_size) != 0)
 316                 return -1;
 317
 318         return 0;
 319 }
 320
 321 int
 322 rte_cryptodev_sym_capability_check_aead(
 323                 const struct rte_cryptodev_symmetric_capability *capability,
 324                 uint16_t key_size, uint16_t digest_size, uint16_t aad_size,
 325                 uint16_t iv_size)
 326 {
 327         if (param_range_check(key_size, &capability->aead.key_size) != 0)
 328                 return -1;
 329
 330         if (param_range_check(digest_size, &capability->aead.digest_size) != 0)
 331                 return -1;
 332
 333         if (param_range_check(aad_size, &capability->aead.aad_size) != 0)
 334                 return -1;
 335
 336         if (param_range_check(iv_size, &capability->aead.iv_size) != 0)
 337                 return -1;
 338
 339         return 0;
 340 }
 341
 342 const char *
 343 rte_cryptodev_get_feature_name(uint64_t flag)
 344 {
 345         switch (flag) {
 346         case RTE_CRYPTODEV_FF_SYMMETRIC_CRYPTO:
 347                 return "SYMMETRIC_CRYPTO";
 348         case RTE_CRYPTODEV_FF_ASYMMETRIC_CRYPTO:
 349                 return "ASYMMETRIC_CRYPTO";
 350         case RTE_CRYPTODEV_FF_SYM_OPERATION_CHAINING:
 351                 return "SYM_OPERATION_CHAINING";
 352         case RTE_CRYPTODEV_FF_CPU_SSE:
 353                 return "CPU_SSE";
 354         case RTE_CRYPTODEV_FF_CPU_AVX:
 355                 return "CPU_AVX";
 356         case RTE_CRYPTODEV_FF_CPU_AVX2:
 357                 return "CPU_AVX2";
 358         case RTE_CRYPTODEV_FF_CPU_AVX512:
 359                 return "CPU_AVX512";
 360         case RTE_CRYPTODEV_FF_CPU_AESNI:
 361                 return "CPU_AESNI";
 362         case RTE_CRYPTODEV_FF_HW_ACCELERATED:
 363                 return "HW_ACCELERATED";
 364         case RTE_CRYPTODEV_FF_IN_PLACE_SGL:
 365                 return "IN_PLACE_SGL";
 366         case RTE_CRYPTODEV_FF_OOP_SGL_IN_SGL_OUT:
 367                 return "OOP_SGL_IN_SGL_OUT";
 368         case RTE_CRYPTODEV_FF_OOP_SGL_IN_LB_OUT:
 369                 return "OOP_SGL_IN_LB_OUT";
 370         case RTE_CRYPTODEV_FF_OOP_LB_IN_SGL_OUT:
 371                 return "OOP_LB_IN_SGL_OUT";
 372         case RTE_CRYPTODEV_FF_OOP_LB_IN_LB_OUT:
 373                 return "OOP_LB_IN_LB_OUT";
 374         case RTE_CRYPTODEV_FF_CPU_NEON:
 375                 return "CPU_NEON";
 376         case RTE_CRYPTODEV_FF_CPU_ARM_CE:
 377                 return "CPU_ARM_CE";
 378         case RTE_CRYPTODEV_FF_SECURITY:
 379                 return "SECURITY_PROTOCOL";
 380         default:
 381                 return NULL;
 382         }
 383 }
 384
 385 struct rte_cryptodev *
 386 rte_cryptodev_pmd_get_dev(uint8_t dev_id)
 387 {
 388         return &rte_cryptodev_globals->devs[dev_id];
 389 }
 390
 391 struct rte_cryptodev *
 392 rte_cryptodev_pmd_get_named_dev(const char *name)
 393 {
 394         struct rte_cryptodev *dev;
 395         unsigned int i;
 396
 397         if (name == NULL)
 398                 return NULL;
 399
 400         for (i = 0; i < rte_cryptodev_globals->max_devs; i++) {
 401                 dev = &rte_cryptodev_globals->devs[i];
 402
 403                 if ((dev->attached == RTE_CRYPTODEV_ATTACHED) &&
 404                                 (strcmp(dev->data->name, name) == 0))
 405                         return dev;
 406         }
 407
 408         return NULL;
 409 }
 410
 411 unsigned int
 412 rte_cryptodev_pmd_is_valid_dev(uint8_t dev_id)
 413 {
 414         struct rte_cryptodev *dev = NULL;
 415
 416         if (dev_id >= rte_cryptodev_globals->nb_devs)
 417                 return 0;
 418
 419         dev = rte_cryptodev_pmd_get_dev(dev_id);
 420         if (dev->attached != RTE_CRYPTODEV_ATTACHED)
 421                 return 0;
 422         else
 423                 return 1;
 424 }
 425
 426
 427 int
 428 rte_cryptodev_get_dev_id(const char *name)
 429 {
 430         unsigned i;
 431
 432         if (name == NULL)
 433                 return -1;
 434
 435         for (i = 0; i < rte_cryptodev_globals->nb_devs; i++)
 436                 if ((strcmp(rte_cryptodev_globals->devs[i].data->name, name)
 437                                 == 0) &&
 438                                 (rte_cryptodev_globals->devs[i].attached ==
 439                                                 RTE_CRYPTODEV_ATTACHED))
 440                         return i;
 441
 442         return -1;
 443 }
 444
 445 uint8_t
 446 rte_cryptodev_count(void)
 447 {
 448         return rte_cryptodev_globals->nb_devs;
 449 }
 450
 451 uint8_t
 452 rte_cryptodev_device_count_by_driver(uint8_t driver_id)
 453 {
 454         uint8_t i, dev_count = 0;
 455
 456         for (i = 0; i < rte_cryptodev_globals->max_devs; i++)
 457                 if (rte_cryptodev_globals->devs[i].driver_id == driver_id &&
 458                         rte_cryptodev_globals->devs[i].attached ==
 459                                         RTE_CRYPTODEV_ATTACHED)
 460                         dev_count++;
 461
 462         return dev_count;
 463 }
 464
 465 uint8_t
 466 rte_cryptodev_devices_get(const char *driver_name, uint8_t *devices,
 467         uint8_t nb_devices)
 468 {
 469         uint8_t i, count = 0;
 470         struct rte_cryptodev *devs = rte_cryptodev_globals->devs;
 471         uint8_t max_devs = rte_cryptodev_globals->max_devs;
 472
 473         for (i = 0; i < max_devs && count < nb_devices; i++) {
 474
 475                 if (devs[i].attached == RTE_CRYPTODEV_ATTACHED) {
 476                         int cmp;
 477
 478                         cmp = strncmp(devs[i].device->driver->name,
 479                                         driver_name,
 480                                         strlen(driver_name));
 481
 482                         if (cmp == 0)
 483                                 devices[count++] = devs[i].data->dev_id;
 484                 }
 485         }
 486
 487         return count;
 488 }
 489
 490 void *
 491 rte_cryptodev_get_sec_ctx(uint8_t dev_id)
 492 {
 493         if (rte_crypto_devices[dev_id].feature_flags &
 494                         RTE_CRYPTODEV_FF_SECURITY)
 495                 return rte_crypto_devices[dev_id].security_ctx;
 496
 497         return NULL;
 498 }
 499
 500 int
 501 rte_cryptodev_socket_id(uint8_t dev_id)
 502 {
 503         struct rte_cryptodev *dev;
 504
 505         if (!rte_cryptodev_pmd_is_valid_dev(dev_id))
 506                 return -1;
 507
 508         dev = rte_cryptodev_pmd_get_dev(dev_id);
 509
 510         return dev->data->socket_id;
 511 }
 512
 513 static inline int
 514 rte_cryptodev_data_alloc(uint8_t dev_id, struct rte_cryptodev_data **data,
 515                 int socket_id)
 516 {
 517         char mz_name[RTE_CRYPTODEV_NAME_MAX_LEN];
 518         const struct rte_memzone *mz;
 519         int n;
 520
 521         /* generate memzone name */
 522         n = snprintf(mz_name, sizeof(mz_name), "rte_cryptodev_data_%u", dev_id);
 523         if (n >= (int)sizeof(mz_name))
 524                 return -EINVAL;
 525
 526         if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
 527                 mz = rte_memzone_reserve(mz_name,
 528                                 sizeof(struct rte_cryptodev_data),
 529                                 socket_id, 0);
 530         } else
 531                 mz = rte_memzone_lookup(mz_name);
 532
 533         if (mz == NULL)
 534                 return -ENOMEM;
 535
 536         *data = mz->addr;
 537         if (rte_eal_process_type() == RTE_PROC_PRIMARY)
 538                 memset(*data, 0, sizeof(struct rte_cryptodev_data));
 539
 540         return 0;
 541 }
 542
 543 static uint8_t
 544 rte_cryptodev_find_free_device_index(void)
 545 {
 546         uint8_t dev_id;
 547
 548         for (dev_id = 0; dev_id < RTE_CRYPTO_MAX_DEVS; dev_id++) {
 549                 if (rte_crypto_devices[dev_id].attached ==
 550                                 RTE_CRYPTODEV_DETACHED)
 551                         return dev_id;
 552         }
 553         return RTE_CRYPTO_MAX_DEVS;
 554 }
 555
 556 struct rte_cryptodev *
 557 rte_cryptodev_pmd_allocate(const char *name, int socket_id)
 558 {
 559         struct rte_cryptodev *cryptodev;
 560         uint8_t dev_id;
 561
 562         if (rte_cryptodev_pmd_get_named_dev(name) != NULL) {
 563                 CDEV_LOG_ERR("Crypto device with name %s already "
 564                                 "allocated!", name);
 565                 return NULL;
 566         }
 567
 568         dev_id = rte_cryptodev_find_free_device_index();
 569         if (dev_id == RTE_CRYPTO_MAX_DEVS) {
 570                 CDEV_LOG_ERR("Reached maximum number of crypto devices");
 571                 return NULL;
 572         }
 573
 574         cryptodev = rte_cryptodev_pmd_get_dev(dev_id);
 575
 576         if (cryptodev->data == NULL) {
 577                 struct rte_cryptodev_data *cryptodev_data =
 578                                 cryptodev_globals.data[dev_id];
 579
 580                 int retval = rte_cryptodev_data_alloc(dev_id, &cryptodev_data,
 581                                 socket_id);
 582
 583                 if (retval < 0 || cryptodev_data == NULL)
 584                         return NULL;
 585
 586                 cryptodev->data = cryptodev_data;
 587
 588                 snprintf(cryptodev->data->name, RTE_CRYPTODEV_NAME_MAX_LEN,
 589                                 "%s", name);
 590
 591                 cryptodev->data->dev_id = dev_id;
 592                 cryptodev->data->socket_id = socket_id;
 593                 cryptodev->data->dev_started = 0;
 594
 595                 /* init user callbacks */
 596                 TAILQ_INIT(&(cryptodev->link_intr_cbs));
 597
 598                 cryptodev->attached = RTE_CRYPTODEV_ATTACHED;
 599
 600                 cryptodev_globals.nb_devs++;
 601         }
 602
 603         return cryptodev;
 604 }
 605
 606 int
 607 rte_cryptodev_pmd_release_device(struct rte_cryptodev *cryptodev)
 608 {
 609         int ret;
 610
 611         if (cryptodev == NULL)
 612                 return -EINVAL;
 613
 614         /* Close device only if device operations have been set */
 615         if (cryptodev->dev_ops) {
 616                 ret = rte_cryptodev_close(cryptodev->data->dev_id);
 617                 if (ret < 0)
 618                         return ret;
 619         }
 620
 621         cryptodev->attached = RTE_CRYPTODEV_DETACHED;
 622         cryptodev_globals.nb_devs--;
 623         return 0;
 624 }
 625
 626 uint16_t
 627 rte_cryptodev_queue_pair_count(uint8_t dev_id)
 628 {
 629         struct rte_cryptodev *dev;
 630
 631         dev = &rte_crypto_devices[dev_id];
 632         return dev->data->nb_queue_pairs;
 633 }
 634
 635 static int
 636 rte_cryptodev_queue_pairs_config(struct rte_cryptodev *dev, uint16_t nb_qpairs,
 637                 int socket_id)
 638 {
 639         struct rte_cryptodev_info dev_info;
 640         void **qp;
 641         unsigned i;
 642
 643         if ((dev == NULL) || (nb_qpairs < 1)) {
 644                 CDEV_LOG_ERR("invalid param: dev %p, nb_queues %u",
 645                                                         dev, nb_qpairs);
 646                 return -EINVAL;
 647         }
 648
 649         CDEV_LOG_DEBUG("Setup %d queues pairs on device %u",
 650                         nb_qpairs, dev->data->dev_id);
 651
 652         memset(&dev_info, 0, sizeof(struct rte_cryptodev_info));
 653
 654         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_infos_get, -ENOTSUP);
 655         (*dev->dev_ops->dev_infos_get)(dev, &dev_info);
 656
 657         if (nb_qpairs > (dev_info.max_nb_queue_pairs)) {
 658                 CDEV_LOG_ERR("Invalid num queue_pairs (%u) for dev %u",
 659                                 nb_qpairs, dev->data->dev_id);
 660             return -EINVAL;
 661         }
 662
 663         if (dev->data->queue_pairs == NULL) { /* first time configuration */
 664                 dev->data->queue_pairs = rte_zmalloc_socket(
 665                                 "cryptodev->queue_pairs",
 666                                 sizeof(dev->data->queue_pairs[0]) * nb_qpairs,
 667                                 RTE_CACHE_LINE_SIZE, socket_id);
 668
 669                 if (dev->data->queue_pairs == NULL) {
 670                         dev->data->nb_queue_pairs = 0;
 671                         CDEV_LOG_ERR("failed to get memory for qp meta data, "
 672                                                         "nb_queues %u",
 673                                                         nb_qpairs);
 674                         return -(ENOMEM);
 675                 }
 676         } else { /* re-configure */
 677                 int ret;
 678                 uint16_t old_nb_queues = dev->data->nb_queue_pairs;
 679
 680                 qp = dev->data->queue_pairs;
 681
 682                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->queue_pair_release,
 683                                 -ENOTSUP);
 684
 685                 for (i = nb_qpairs; i < old_nb_queues; i++) {
 686                         ret = (*dev->dev_ops->queue_pair_release)(dev, i);
 687                         if (ret < 0)
 688                                 return ret;
 689                 }
 690
 691                 qp = rte_realloc(qp, sizeof(qp[0]) * nb_qpairs,
 692                                 RTE_CACHE_LINE_SIZE);
 693                 if (qp == NULL) {
 694                         CDEV_LOG_ERR("failed to realloc qp meta data,"
 695                                                 " nb_queues %u", nb_qpairs);
 696                         return -(ENOMEM);
 697                 }
 698
 699                 if (nb_qpairs > old_nb_queues) {
 700                         uint16_t new_qs = nb_qpairs - old_nb_queues;
 701
 702                         memset(qp + old_nb_queues, 0,
 703                                 sizeof(qp[0]) * new_qs);
 704                 }
 705
 706                 dev->data->queue_pairs = qp;
 707
 708         }
 709         dev->data->nb_queue_pairs = nb_qpairs;
 710         return 0;
 711 }
 712
 713 int
 714 rte_cryptodev_configure(uint8_t dev_id, struct rte_cryptodev_config *config)
 715 {
 716         struct rte_cryptodev *dev;
 717         int diag;
 718
 719         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
 720                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
 721                 return -EINVAL;
 722         }
 723
 724         dev = &rte_crypto_devices[dev_id];
 725
 726         if (dev->data->dev_started) {
 727                 CDEV_LOG_ERR(
 728                     "device %d must be stopped to allow configuration", dev_id);
 729                 return -EBUSY;
 730         }
 731
 732         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_configure, -ENOTSUP);
 733
 734         /* Setup new number of queue pairs and reconfigure device. */
 735         diag = rte_cryptodev_queue_pairs_config(dev, config->nb_queue_pairs,
 736                         config->socket_id);
 737         if (diag != 0) {
 738                 CDEV_LOG_ERR("dev%d rte_crypto_dev_queue_pairs_config = %d",
 739                                 dev_id, diag);
 740                 return diag;
 741         }
 742
 743         return (*dev->dev_ops->dev_configure)(dev, config);
 744 }
 745
 746
 747 int
 748 rte_cryptodev_start(uint8_t dev_id)
 749 {
 750         struct rte_cryptodev *dev;
 751         int diag;
 752
 753         CDEV_LOG_DEBUG("Start dev_id=%" PRIu8, dev_id);
 754
 755         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
 756                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
 757                 return -EINVAL;
 758         }
 759
 760         dev = &rte_crypto_devices[dev_id];
 761
 762         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_start, -ENOTSUP);
 763
 764         if (dev->data->dev_started != 0) {
 765                 CDEV_LOG_ERR("Device with dev_id=%" PRIu8 " already started",
 766                         dev_id);
 767                 return 0;
 768         }
 769
 770         diag = (*dev->dev_ops->dev_start)(dev);
 771         if (diag == 0)
 772                 dev->data->dev_started = 1;
 773         else
 774                 return diag;
 775
 776         return 0;
 777 }
 778
 779 void
 780 rte_cryptodev_stop(uint8_t dev_id)
 781 {
 782         struct rte_cryptodev *dev;
 783
 784         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
 785                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
 786                 return;
 787         }
 788
 789         dev = &rte_crypto_devices[dev_id];
 790
 791         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->dev_stop);
 792
 793         if (dev->data->dev_started == 0) {
 794                 CDEV_LOG_ERR("Device with dev_id=%" PRIu8 " already stopped",
 795                         dev_id);
 796                 return;
 797         }
 798
 799         (*dev->dev_ops->dev_stop)(dev);
 800         dev->data->dev_started = 0;
 801 }
 802
 803 int
 804 rte_cryptodev_close(uint8_t dev_id)
 805 {
 806         struct rte_cryptodev *dev;
 807         int retval;
 808
 809         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
 810                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
 811                 return -1;
 812         }
 813
 814         dev = &rte_crypto_devices[dev_id];
 815
 816         /* Device must be stopped before it can be closed */
 817         if (dev->data->dev_started == 1) {
 818                 CDEV_LOG_ERR("Device %u must be stopped before closing",
 819                                 dev_id);
 820                 return -EBUSY;
 821         }
 822
 823         /* We can't close the device if there are outstanding sessions in use */
 824         if (dev->data->session_pool != NULL) {
 825                 if (!rte_mempool_full(dev->data->session_pool)) {
 826                         CDEV_LOG_ERR("dev_id=%u close failed, session mempool "
 827                                         "has sessions still in use, free "
 828                                         "all sessions before calling close",
 829                                         (unsigned)dev_id);
 830                         return -EBUSY;
 831                 }
 832         }
 833
 834         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_close, -ENOTSUP);
 835         retval = (*dev->dev_ops->dev_close)(dev);
 836
 837         if (retval < 0)
 838                 return retval;
 839
 840         return 0;
 841 }
 842
 843 int
 844 rte_cryptodev_queue_pair_setup(uint8_t dev_id, uint16_t queue_pair_id,
 845                 const struct rte_cryptodev_qp_conf *qp_conf, int socket_id,
 846                 struct rte_mempool *session_pool)
 847
 848 {
 849         struct rte_cryptodev *dev;
 850
 851         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
 852                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
 853                 return -EINVAL;
 854         }
 855
 856         dev = &rte_crypto_devices[dev_id];
 857         if (queue_pair_id >= dev->data->nb_queue_pairs) {
 858                 CDEV_LOG_ERR("Invalid queue_pair_id=%d", queue_pair_id);
 859                 return -EINVAL;
 860         }
 861
 862         if (dev->data->dev_started) {
 863                 CDEV_LOG_ERR(
 864                     "device %d must be stopped to allow configuration", dev_id);
 865                 return -EBUSY;
 866         }
 867
 868         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->queue_pair_setup, -ENOTSUP);
 869
 870         return (*dev->dev_ops->queue_pair_setup)(dev, queue_pair_id, qp_conf,
 871                         socket_id, session_pool);
 872 }
 873
 874
 875 int
 876 rte_cryptodev_stats_get(uint8_t dev_id, struct rte_cryptodev_stats *stats)
 877 {
 878         struct rte_cryptodev *dev;
 879
 880         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
 881                 CDEV_LOG_ERR("Invalid dev_id=%d", dev_id);
 882                 return -ENODEV;
 883         }
 884
 885         if (stats == NULL) {
 886                 CDEV_LOG_ERR("Invalid stats ptr");
 887                 return -EINVAL;
 888         }
 889
 890         dev = &rte_crypto_devices[dev_id];
 891         memset(stats, 0, sizeof(*stats));
 892
 893         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->stats_get, -ENOTSUP);
 894         (*dev->dev_ops->stats_get)(dev, stats);
 895         return 0;
 896 }
 897
 898 void
 899 rte_cryptodev_stats_reset(uint8_t dev_id)
 900 {
 901         struct rte_cryptodev *dev;
 902
 903         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
 904                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
 905                 return;
 906         }
 907
 908         dev = &rte_crypto_devices[dev_id];
 909
 910         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->stats_reset);
 911         (*dev->dev_ops->stats_reset)(dev);
 912 }
 913
 914
 915 void
 916 rte_cryptodev_info_get(uint8_t dev_id, struct rte_cryptodev_info *dev_info)
 917 {
 918         struct rte_cryptodev *dev;
 919
 920         if (dev_id >= cryptodev_globals.nb_devs) {
 921                 CDEV_LOG_ERR("Invalid dev_id=%d", dev_id);
 922                 return;
 923         }
 924
 925         dev = &rte_crypto_devices[dev_id];
 926
 927         memset(dev_info, 0, sizeof(struct rte_cryptodev_info));
 928
 929         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->dev_infos_get);
 930         (*dev->dev_ops->dev_infos_get)(dev, dev_info);
 931
 932         dev_info->driver_name = dev->device->driver->name;
 933         dev_info->device = dev->device;
 934 }
 935
 936
 937 int
 938 rte_cryptodev_callback_register(uint8_t dev_id,
 939                         enum rte_cryptodev_event_type event,
 940                         rte_cryptodev_cb_fn cb_fn, void *cb_arg)
 941 {
 942         struct rte_cryptodev *dev;
 943         struct rte_cryptodev_callback *user_cb;
 944
 945         if (!cb_fn)
 946                 return -EINVAL;
 947
 948         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
 949                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
 950                 return -EINVAL;
 951         }
 952
 953         dev = &rte_crypto_devices[dev_id];
 954         rte_spinlock_lock(&rte_cryptodev_cb_lock);
 955
 956         TAILQ_FOREACH(user_cb, &(dev->link_intr_cbs), next) {
 957                 if (user_cb->cb_fn == cb_fn &&
 958                         user_cb->cb_arg == cb_arg &&
 959                         user_cb->event == event) {
 960                         break;
 961                 }
 962         }
 963
 964         /* create a new callback. */
 965         if (user_cb == NULL) {
 966                 user_cb = rte_zmalloc("INTR_USER_CALLBACK",
 967                                 sizeof(struct rte_cryptodev_callback), 0);
 968                 if (user_cb != NULL) {
 969                         user_cb->cb_fn = cb_fn;
 970                         user_cb->cb_arg = cb_arg;
 971                         user_cb->event = event;
 972                         TAILQ_INSERT_TAIL(&(dev->link_intr_cbs), user_cb, next);
 973                 }
 974         }
 975
 976         rte_spinlock_unlock(&rte_cryptodev_cb_lock);
 977         return (user_cb == NULL) ? -ENOMEM : 0;
 978 }
 979
 980 int
 981 rte_cryptodev_callback_unregister(uint8_t dev_id,
 982                         enum rte_cryptodev_event_type event,
 983                         rte_cryptodev_cb_fn cb_fn, void *cb_arg)
 984 {
 985         int ret;
 986         struct rte_cryptodev *dev;
 987         struct rte_cryptodev_callback *cb, *next;
 988
 989         if (!cb_fn)
 990                 return -EINVAL;
 991
 992         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
 993                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
 994                 return -EINVAL;
 995         }
 996
 997         dev = &rte_crypto_devices[dev_id];
 998         rte_spinlock_lock(&rte_cryptodev_cb_lock);
 999
1000         ret = 0;
1001         for (cb = TAILQ_FIRST(&dev->link_intr_cbs); cb != NULL; cb = next) {
1002
1003                 next = TAILQ_NEXT(cb, next);
1004
1005                 if (cb->cb_fn != cb_fn || cb->event != event ||
1006                                 (cb->cb_arg != (void *)-1 &&
1007                                 cb->cb_arg != cb_arg))
1008                         continue;
1009
1010                 /*
1011                  * if this callback is not executing right now,
1012                  * then remove it.
1013                  */
1014                 if (cb->active == 0) {
1015                         TAILQ_REMOVE(&(dev->link_intr_cbs), cb, next);
1016                         rte_free(cb);
1017                 } else {
1018                         ret = -EAGAIN;
1019                 }
1020         }
1021
1022         rte_spinlock_unlock(&rte_cryptodev_cb_lock);
1023         return ret;
1024 }
1025
1026 void
1027 rte_cryptodev_pmd_callback_process(struct rte_cryptodev *dev,
1028         enum rte_cryptodev_event_type event)
1029 {
1030         struct rte_cryptodev_callback *cb_lst;
1031         struct rte_cryptodev_callback dev_cb;
1032
1033         rte_spinlock_lock(&rte_cryptodev_cb_lock);
1034         TAILQ_FOREACH(cb_lst, &(dev->link_intr_cbs), next) {
1035                 if (cb_lst->cb_fn == NULL || cb_lst->event != event)
1036                         continue;
1037                 dev_cb = *cb_lst;
1038                 cb_lst->active = 1;
1039                 rte_spinlock_unlock(&rte_cryptodev_cb_lock);
1040                 dev_cb.cb_fn(dev->data->dev_id, dev_cb.event,
1041                                                 dev_cb.cb_arg);
1042                 rte_spinlock_lock(&rte_cryptodev_cb_lock);
1043                 cb_lst->active = 0;
1044         }
1045         rte_spinlock_unlock(&rte_cryptodev_cb_lock);
1046 }
1047
1048
1049 int
1050 rte_cryptodev_sym_session_init(uint8_t dev_id,
1051                 struct rte_cryptodev_sym_session *sess,
1052                 struct rte_crypto_sym_xform *xforms,
1053                 struct rte_mempool *mp)
1054 {
1055         struct rte_cryptodev *dev;
1056         uint8_t index;
1057         int ret;
1058
1059         dev = rte_cryptodev_pmd_get_dev(dev_id);
1060
1061         if (sess == NULL || xforms == NULL || dev == NULL)
1062                 return -EINVAL;
1063
1064         index = dev->driver_id;
1065
1066         if (sess->sess_private_data[index] == NULL) {
1067                 ret = dev->dev_ops->session_configure(dev, xforms, sess, mp);
1068                 if (ret < 0) {
1069                         CDEV_LOG_ERR(
1070                                 "dev_id %d failed to configure session details",
1071                                 dev_id);
1072                         return ret;
1073                 }
1074         }
1075
1076         return 0;
1077 }
1078
1079 struct rte_cryptodev_sym_session *
1080 rte_cryptodev_sym_session_create(struct rte_mempool *mp)
1081 {
1082         struct rte_cryptodev_sym_session *sess;
1083
1084         /* Allocate a session structure from the session pool */
1085         if (rte_mempool_get(mp, (void **)&sess)) {
1086                 CDEV_LOG_ERR("couldn't get object from session mempool");
1087                 return NULL;
1088         }
1089
1090         /* Clear device session pointer.
1091          * Include the flag indicating presence of private data
1092          */
1093         memset(sess, 0, (sizeof(void *) * nb_drivers) + sizeof(uint8_t));
1094
1095         return sess;
1096 }
1097
1098 int
1099 rte_cryptodev_queue_pair_attach_sym_session(uint8_t dev_id, uint16_t qp_id,
1100                 struct rte_cryptodev_sym_session *sess)
1101 {
1102         struct rte_cryptodev *dev;
1103
1104         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
1105                 CDEV_LOG_ERR("Invalid dev_id=%d", dev_id);
1106                 return -EINVAL;
1107         }
1108
1109         dev = &rte_crypto_devices[dev_id];
1110
1111         /* The API is optional, not returning error if driver do not suuport */
1112         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->qp_attach_session, 0);
1113
1114         void *sess_priv = get_session_private_data(sess, dev->driver_id);
1115
1116         if (dev->dev_ops->qp_attach_session(dev, qp_id, sess_priv)) {
1117                 CDEV_LOG_ERR("dev_id %d failed to attach qp: %d with session",
1118                                 dev_id, qp_id);
1119                 return -EPERM;
1120         }
1121
1122         return 0;
1123 }
1124
1125 int
1126 rte_cryptodev_queue_pair_detach_sym_session(uint8_t dev_id, uint16_t qp_id,
1127                 struct rte_cryptodev_sym_session *sess)
1128 {
1129         struct rte_cryptodev *dev;
1130
1131         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
1132                 CDEV_LOG_ERR("Invalid dev_id=%d", dev_id);
1133                 return -EINVAL;
1134         }
1135
1136         dev = &rte_crypto_devices[dev_id];
1137
1138         /* The API is optional, not returning error if driver do not suuport */
1139         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->qp_detach_session, 0);
1140
1141         void *sess_priv = get_session_private_data(sess, dev->driver_id);
1142
1143         if (dev->dev_ops->qp_detach_session(dev, qp_id, sess_priv)) {
1144                 CDEV_LOG_ERR("dev_id %d failed to detach qp: %d from session",
1145                                 dev_id, qp_id);
1146                 return -EPERM;
1147         }
1148
1149         return 0;
1150 }
1151
1152 int
1153 rte_cryptodev_sym_session_clear(uint8_t dev_id,
1154                 struct rte_cryptodev_sym_session *sess)
1155 {
1156         struct rte_cryptodev *dev;
1157
1158         dev = rte_cryptodev_pmd_get_dev(dev_id);
1159
1160         if (dev == NULL || sess == NULL)
1161                 return -EINVAL;
1162
1163         dev->dev_ops->session_clear(dev, sess);
1164
1165         return 0;
1166 }
1167
1168 int
1169 rte_cryptodev_sym_session_free(struct rte_cryptodev_sym_session *sess)
1170 {
1171         uint8_t i;
1172         void *sess_priv;
1173         struct rte_mempool *sess_mp;
1174
1175         if (sess == NULL)
1176                 return -EINVAL;
1177
1178         /* Check that all device private data has been freed */
1179         for (i = 0; i < nb_drivers; i++) {
1180                 sess_priv = get_session_private_data(sess, i);
1181                 if (sess_priv != NULL)
1182                         return -EBUSY;
1183         }
1184
1185         /* Return session to mempool */
1186         sess_mp = rte_mempool_from_obj(sess);
1187         rte_mempool_put(sess_mp, sess);
1188
1189         return 0;
1190 }
1191
1192 unsigned int
1193 rte_cryptodev_sym_get_header_session_size(void)
1194 {
1195         /*
1196          * Header contains pointers to the private data
1197          * of all registered drivers, and a flag which
1198          * indicates presence of private data
1199          */
1200         return ((sizeof(void *) * nb_drivers) + sizeof(uint8_t));
1201 }
1202
1203 unsigned int
1204 rte_cryptodev_sym_get_private_session_size(uint8_t dev_id)
1205 {
1206         struct rte_cryptodev *dev;
1207         unsigned int header_size = sizeof(void *) * nb_drivers;
1208         unsigned int priv_sess_size;
1209
1210         if (!rte_cryptodev_pmd_is_valid_dev(dev_id))
1211                 return 0;
1212
1213         dev = rte_cryptodev_pmd_get_dev(dev_id);
1214
1215         if (*dev->dev_ops->session_get_size == NULL)
1216                 return 0;
1217
1218         priv_sess_size = (*dev->dev_ops->session_get_size)(dev);
1219
1220         /*
1221          * If size is less than session header size,
1222          * return the latter, as this guarantees that
1223          * sessionless operations will work
1224          */
1225         if (priv_sess_size < header_size)
1226                 return header_size;
1227
1228         return priv_sess_size;
1229
1230 }
1231
1232 int __rte_experimental
1233 rte_cryptodev_sym_session_set_private_data(
1234                                         struct rte_cryptodev_sym_session *sess,
1235                                         void *data,
1236                                         uint16_t size)
1237 {
1238         uint16_t off_set = sizeof(void *) * nb_drivers;
1239         uint8_t *private_data_present = (uint8_t *)sess + off_set;
1240
1241         if (sess == NULL)
1242                 return -EINVAL;
1243
1244         *private_data_present = 1;
1245         off_set += sizeof(uint8_t);
1246         rte_memcpy((uint8_t *)sess + off_set, data, size);
1247         return 0;
1248 }
1249
1250 void * __rte_experimental
1251 rte_cryptodev_sym_session_get_private_data(
1252                                         struct rte_cryptodev_sym_session *sess)
1253 {
1254         uint16_t off_set = sizeof(void *) * nb_drivers;
1255         uint8_t *private_data_present = (uint8_t *)sess + off_set;
1256
1257         if (sess == NULL || !*private_data_present)
1258                 return NULL;
1259
1260         off_set += sizeof(uint8_t);
1261         return (uint8_t *)sess + off_set;
1262 }
1263
1264 /** Initialise rte_crypto_op mempool element */
1265 static void
1266 rte_crypto_op_init(struct rte_mempool *mempool,
1267                 void *opaque_arg,
1268                 void *_op_data,
1269                 __rte_unused unsigned i)
1270 {
1271         struct rte_crypto_op *op = _op_data;
1272         enum rte_crypto_op_type type = *(enum rte_crypto_op_type *)opaque_arg;
1273
1274         memset(_op_data, 0, mempool->elt_size);
1275
1276         __rte_crypto_op_reset(op, type);
1277
1278         op->phys_addr = rte_mem_virt2iova(_op_data);
1279         op->mempool = mempool;
1280 }
1281
1282
1283 struct rte_mempool *
1284 rte_crypto_op_pool_create(const char *name, enum rte_crypto_op_type type,
1285                 unsigned nb_elts, unsigned cache_size, uint16_t priv_size,
1286                 int socket_id)
1287 {
1288         struct rte_crypto_op_pool_private *priv;
1289
1290         unsigned elt_size = sizeof(struct rte_crypto_op) +
1291                         sizeof(struct rte_crypto_sym_op) +
1292                         priv_size;
1293
1294         /* lookup mempool in case already allocated */
1295         struct rte_mempool *mp = rte_mempool_lookup(name);
1296
1297         if (mp != NULL) {
1298                 priv = (struct rte_crypto_op_pool_private *)
1299                                 rte_mempool_get_priv(mp);
1300
1301                 if (mp->elt_size != elt_size ||
1302                                 mp->cache_size < cache_size ||
1303                                 mp->size < nb_elts ||
1304                                 priv->priv_size <  priv_size) {
1305                         mp = NULL;
1306                         CDEV_LOG_ERR("Mempool %s already exists but with "
1307                                         "incompatible parameters", name);
1308                         return NULL;
1309                 }
1310                 return mp;
1311         }
1312
1313         mp = rte_mempool_create(
1314                         name,
1315                         nb_elts,
1316                         elt_size,
1317                         cache_size,
1318                         sizeof(struct rte_crypto_op_pool_private),
1319                         NULL,
1320                         NULL,
1321                         rte_crypto_op_init,
1322                         &type,
1323                         socket_id,
1324                         0);
1325
1326         if (mp == NULL) {
1327                 CDEV_LOG_ERR("Failed to create mempool %s", name);
1328                 return NULL;
1329         }
1330
1331         priv = (struct rte_crypto_op_pool_private *)
1332                         rte_mempool_get_priv(mp);
1333
1334         priv->priv_size = priv_size;
1335         priv->type = type;
1336
1337         return mp;
1338 }
1339
1340 int
1341 rte_cryptodev_pmd_create_dev_name(char *name, const char *dev_name_prefix)
1342 {
1343         struct rte_cryptodev *dev = NULL;
1344         uint32_t i = 0;
1345
1346         if (name == NULL)
1347                 return -EINVAL;
1348
1349         for (i = 0; i < RTE_CRYPTO_MAX_DEVS; i++) {
1350                 int ret = snprintf(name, RTE_CRYPTODEV_NAME_MAX_LEN,
1351                                 "%s_%u", dev_name_prefix, i);
1352
1353                 if (ret < 0)
1354                         return ret;
1355
1356                 dev = rte_cryptodev_pmd_get_named_dev(name);
1357                 if (!dev)
1358                         return 0;
1359         }
1360
1361         return -1;
1362 }
1363
1364 TAILQ_HEAD(cryptodev_driver_list, cryptodev_driver);
1365
1366 static struct cryptodev_driver_list cryptodev_driver_list =
1367         TAILQ_HEAD_INITIALIZER(cryptodev_driver_list);
1368
1369 int
1370 rte_cryptodev_driver_id_get(const char *name)
1371 {
1372         struct cryptodev_driver *driver;
1373         const char *driver_name;
1374
1375         if (name == NULL) {
1376                 RTE_LOG(DEBUG, CRYPTODEV, "name pointer NULL");
1377                 return -1;
1378         }
1379
1380         TAILQ_FOREACH(driver, &cryptodev_driver_list, next) {
1381                 driver_name = driver->driver->name;
1382                 if (strncmp(driver_name, name, strlen(driver_name)) == 0)
1383                         return driver->id;
1384         }
1385         return -1;
1386 }
1387
1388 const char *
1389 rte_cryptodev_name_get(uint8_t dev_id)
1390 {
1391         struct rte_cryptodev *dev = rte_cryptodev_pmd_get_dev(dev_id);
1392
1393         if (dev == NULL)
1394                 return NULL;
1395
1396         return dev->data->name;
1397 }
1398
1399 const char *
1400 rte_cryptodev_driver_name_get(uint8_t driver_id)
1401 {
1402         struct cryptodev_driver *driver;
1403
1404         TAILQ_FOREACH(driver, &cryptodev_driver_list, next)
1405                 if (driver->id == driver_id)
1406                         return driver->driver->name;
1407         return NULL;
1408 }
1409
1410 uint8_t
1411 rte_cryptodev_allocate_driver(struct cryptodev_driver *crypto_drv,
1412                 const struct rte_driver *drv)
1413 {
1414         crypto_drv->driver = drv;
1415         crypto_drv->id = nb_drivers;
1416
1417         TAILQ_INSERT_TAIL(&cryptodev_driver_list, crypto_drv, next);
1418
1419         return nb_drivers++;
1420 }