lib/librte_cryptodev/rte_cryptodev.c

   1 /*-
   2  *   BSD LICENSE
   3  *
   4  *   Copyright(c) 2015-2017 Intel Corporation. All rights reserved.
   5  *
   6  *   Redistribution and use in source and binary forms, with or without
   7  *   modification, are permitted provided that the following conditions
   8  *   are met:
   9  *
  10  *     * Redistributions of source code must retain the above copyright
  11  *       notice, this list of conditions and the following disclaimer.
  12  *     * Redistributions in binary form must reproduce the above copyright
  13  *       notice, this list of conditions and the following disclaimer in
  14  *       the documentation and/or other materials provided with the
  15  *       distribution.
  16  *     * Neither the name of Intel Corporation nor the names of its
  17  *       contributors may be used to endorse or promote products derived
  18  *       from this software without specific prior written permission.
  19  *
  20  *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  21  *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  22  *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  23  *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  24  *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  25  *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  26  *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  27  *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  28  *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  29  *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  30  *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  31  */
  32
  33 #include <sys/types.h>
  34 #include <sys/queue.h>
  35 #include <ctype.h>
  36 #include <stdio.h>
  37 #include <stdlib.h>
  38 #include <string.h>
  39 #include <stdarg.h>
  40 #include <errno.h>
  41 #include <stdint.h>
  42 #include <inttypes.h>
  43 #include <netinet/in.h>
  44
  45 #include <rte_byteorder.h>
  46 #include <rte_log.h>
  47 #include <rte_debug.h>
  48 #include <rte_dev.h>
  49 #include <rte_interrupts.h>
  50 #include <rte_memory.h>
  51 #include <rte_memcpy.h>
  52 #include <rte_memzone.h>
  53 #include <rte_launch.h>
  54 #include <rte_tailq.h>
  55 #include <rte_eal.h>
  56 #include <rte_per_lcore.h>
  57 #include <rte_lcore.h>
  58 #include <rte_atomic.h>
  59 #include <rte_branch_prediction.h>
  60 #include <rte_common.h>
  61 #include <rte_mempool.h>
  62 #include <rte_malloc.h>
  63 #include <rte_mbuf.h>
  64 #include <rte_errno.h>
  65 #include <rte_spinlock.h>
  66 #include <rte_string_fns.h>
  67
  68 #include "rte_crypto.h"
  69 #include "rte_cryptodev.h"
  70 #include "rte_cryptodev_pmd.h"
  71
  72 struct rte_cryptodev rte_crypto_devices[RTE_CRYPTO_MAX_DEVS];
  73
  74 struct rte_cryptodev *rte_cryptodevs = &rte_crypto_devices[0];
  75
  76 static struct rte_cryptodev_global cryptodev_globals = {
  77                 .devs                   = &rte_crypto_devices[0],
  78                 .data                   = { NULL },
  79                 .nb_devs                = 0,
  80                 .max_devs               = RTE_CRYPTO_MAX_DEVS
  81 };
  82
  83 struct rte_cryptodev_global *rte_cryptodev_globals = &cryptodev_globals;
  84
  85 /* spinlock for crypto device callbacks */
  86 static rte_spinlock_t rte_cryptodev_cb_lock = RTE_SPINLOCK_INITIALIZER;
  87
  88
  89 /**
  90  * The user application callback description.
  91  *
  92  * It contains callback address to be registered by user application,
  93  * the pointer to the parameters for callback, and the event type.
  94  */
  95 struct rte_cryptodev_callback {
  96         TAILQ_ENTRY(rte_cryptodev_callback) next; /**< Callbacks list */
  97         rte_cryptodev_cb_fn cb_fn;              /**< Callback address */
  98         void *cb_arg;                           /**< Parameter for callback */
  99         enum rte_cryptodev_event_type event;    /**< Interrupt event type */
 100         uint32_t active;                        /**< Callback is executing */
 101 };
 102
 103 /**
 104  * The crypto cipher algorithm strings identifiers.
 105  * It could be used in application command line.
 106  */
 107 const char *
 108 rte_crypto_cipher_algorithm_strings[] = {
 109         [RTE_CRYPTO_CIPHER_3DES_CBC]    = "3des-cbc",
 110         [RTE_CRYPTO_CIPHER_3DES_ECB]    = "3des-ecb",
 111         [RTE_CRYPTO_CIPHER_3DES_CTR]    = "3des-ctr",
 112
 113         [RTE_CRYPTO_CIPHER_AES_CBC]     = "aes-cbc",
 114         [RTE_CRYPTO_CIPHER_AES_CCM]     = "aes-ccm",
 115         [RTE_CRYPTO_CIPHER_AES_CTR]     = "aes-ctr",
 116         [RTE_CRYPTO_CIPHER_AES_DOCSISBPI]       = "aes-docsisbpi",
 117         [RTE_CRYPTO_CIPHER_AES_ECB]     = "aes-ecb",
 118         [RTE_CRYPTO_CIPHER_AES_GCM]     = "aes-gcm",
 119         [RTE_CRYPTO_CIPHER_AES_F8]      = "aes-f8",
 120         [RTE_CRYPTO_CIPHER_AES_XTS]     = "aes-xts",
 121
 122         [RTE_CRYPTO_CIPHER_ARC4]        = "arc4",
 123
 124         [RTE_CRYPTO_CIPHER_DES_CBC]     = "des-cbc",
 125         [RTE_CRYPTO_CIPHER_DES_DOCSISBPI]       = "des-docsisbpi",
 126
 127         [RTE_CRYPTO_CIPHER_NULL]        = "null",
 128
 129         [RTE_CRYPTO_CIPHER_KASUMI_F8]   = "kasumi-f8",
 130         [RTE_CRYPTO_CIPHER_SNOW3G_UEA2] = "snow3g-uea2",
 131         [RTE_CRYPTO_CIPHER_ZUC_EEA3]    = "zuc-eea3"
 132 };
 133
 134 /**
 135  * The crypto cipher operation strings identifiers.
 136  * It could be used in application command line.
 137  */
 138 const char *
 139 rte_crypto_cipher_operation_strings[] = {
 140                 [RTE_CRYPTO_CIPHER_OP_ENCRYPT]  = "encrypt",
 141                 [RTE_CRYPTO_CIPHER_OP_DECRYPT]  = "decrypt"
 142 };
 143
 144 /**
 145  * The crypto auth algorithm strings identifiers.
 146  * It could be used in application command line.
 147  */
 148 const char *
 149 rte_crypto_auth_algorithm_strings[] = {
 150         [RTE_CRYPTO_AUTH_AES_CBC_MAC]   = "aes-cbc-mac",
 151         [RTE_CRYPTO_AUTH_AES_CCM]       = "aes-ccm",
 152         [RTE_CRYPTO_AUTH_AES_CMAC]      = "aes-cmac",
 153         [RTE_CRYPTO_AUTH_AES_GCM]       = "aes-gcm",
 154         [RTE_CRYPTO_AUTH_AES_GMAC]      = "aes-gmac",
 155         [RTE_CRYPTO_AUTH_AES_XCBC_MAC]  = "aes-xcbc-mac",
 156
 157         [RTE_CRYPTO_AUTH_MD5]           = "md5",
 158         [RTE_CRYPTO_AUTH_MD5_HMAC]      = "md5-hmac",
 159
 160         [RTE_CRYPTO_AUTH_NULL]          = "null",
 161
 162         [RTE_CRYPTO_AUTH_SHA1]          = "sha1",
 163         [RTE_CRYPTO_AUTH_SHA1_HMAC]     = "sha1-hmac",
 164
 165         [RTE_CRYPTO_AUTH_SHA224]        = "sha2-224",
 166         [RTE_CRYPTO_AUTH_SHA224_HMAC]   = "sha2-224-hmac",
 167         [RTE_CRYPTO_AUTH_SHA256]        = "sha2-256",
 168         [RTE_CRYPTO_AUTH_SHA256_HMAC]   = "sha2-256-hmac",
 169         [RTE_CRYPTO_AUTH_SHA384]        = "sha2-384",
 170         [RTE_CRYPTO_AUTH_SHA384_HMAC]   = "sha2-384-hmac",
 171         [RTE_CRYPTO_AUTH_SHA512]        = "sha2-512",
 172         [RTE_CRYPTO_AUTH_SHA512_HMAC]   = "sha2-512-hmac",
 173
 174         [RTE_CRYPTO_AUTH_KASUMI_F9]     = "kasumi-f9",
 175         [RTE_CRYPTO_AUTH_SNOW3G_UIA2]   = "snow3g-uia2",
 176         [RTE_CRYPTO_AUTH_ZUC_EIA3]      = "zuc-eia3"
 177 };
 178
 179 /**
 180  * The crypto AEAD algorithm strings identifiers.
 181  * It could be used in application command line.
 182  */
 183 const char *
 184 rte_crypto_aead_algorithm_strings[] = {
 185         [RTE_CRYPTO_AEAD_AES_CCM]       = "aes-ccm",
 186         [RTE_CRYPTO_AEAD_AES_GCM]       = "aes-gcm",
 187 };
 188
 189 /**
 190  * The crypto AEAD operation strings identifiers.
 191  * It could be used in application command line.
 192  */
 193 const char *
 194 rte_crypto_aead_operation_strings[] = {
 195         [RTE_CRYPTO_AEAD_OP_ENCRYPT]    = "encrypt",
 196         [RTE_CRYPTO_AEAD_OP_DECRYPT]    = "decrypt"
 197 };
 198
 199 int
 200 rte_cryptodev_get_cipher_algo_enum(enum rte_crypto_cipher_algorithm *algo_enum,
 201                 const char *algo_string)
 202 {
 203         unsigned int i;
 204
 205         for (i = 1; i < RTE_DIM(rte_crypto_cipher_algorithm_strings); i++) {
 206                 if (strcmp(algo_string, rte_crypto_cipher_algorithm_strings[i]) == 0) {
 207                         *algo_enum = (enum rte_crypto_cipher_algorithm) i;
 208                         return 0;
 209                 }
 210         }
 211
 212         /* Invalid string */
 213         return -1;
 214 }
 215
 216 int
 217 rte_cryptodev_get_auth_algo_enum(enum rte_crypto_auth_algorithm *algo_enum,
 218                 const char *algo_string)
 219 {
 220         unsigned int i;
 221
 222         for (i = 1; i < RTE_DIM(rte_crypto_auth_algorithm_strings); i++) {
 223                 if (strcmp(algo_string, rte_crypto_auth_algorithm_strings[i]) == 0) {
 224                         *algo_enum = (enum rte_crypto_auth_algorithm) i;
 225                         return 0;
 226                 }
 227         }
 228
 229         /* Invalid string */
 230         return -1;
 231 }
 232
 233 int
 234 rte_cryptodev_get_aead_algo_enum(enum rte_crypto_aead_algorithm *algo_enum,
 235                 const char *algo_string)
 236 {
 237         unsigned int i;
 238
 239         for (i = 1; i < RTE_DIM(rte_crypto_aead_algorithm_strings); i++) {
 240                 if (strcmp(algo_string, rte_crypto_aead_algorithm_strings[i]) == 0) {
 241                         *algo_enum = (enum rte_crypto_aead_algorithm) i;
 242                         return 0;
 243                 }
 244         }
 245
 246         /* Invalid string */
 247         return -1;
 248 }
 249
 250 /**
 251  * The crypto auth operation strings identifiers.
 252  * It could be used in application command line.
 253  */
 254 const char *
 255 rte_crypto_auth_operation_strings[] = {
 256                 [RTE_CRYPTO_AUTH_OP_VERIFY]     = "verify",
 257                 [RTE_CRYPTO_AUTH_OP_GENERATE]   = "generate"
 258 };
 259
 260 const struct rte_cryptodev_symmetric_capability *
 261 rte_cryptodev_sym_capability_get(uint8_t dev_id,
 262                 const struct rte_cryptodev_sym_capability_idx *idx)
 263 {
 264         const struct rte_cryptodev_capabilities *capability;
 265         struct rte_cryptodev_info dev_info;
 266         int i = 0;
 267
 268         rte_cryptodev_info_get(dev_id, &dev_info);
 269
 270         while ((capability = &dev_info.capabilities[i++])->op !=
 271                         RTE_CRYPTO_OP_TYPE_UNDEFINED) {
 272                 if (capability->op != RTE_CRYPTO_OP_TYPE_SYMMETRIC)
 273                         continue;
 274
 275                 if (capability->sym.xform_type != idx->type)
 276                         continue;
 277
 278                 if (idx->type == RTE_CRYPTO_SYM_XFORM_AUTH &&
 279                         capability->sym.auth.algo == idx->algo.auth)
 280                         return &capability->sym;
 281
 282                 if (idx->type == RTE_CRYPTO_SYM_XFORM_CIPHER &&
 283                         capability->sym.cipher.algo == idx->algo.cipher)
 284                         return &capability->sym;
 285
 286                 if (idx->type == RTE_CRYPTO_SYM_XFORM_AEAD &&
 287                                 capability->sym.aead.algo == idx->algo.aead)
 288                         return &capability->sym;
 289         }
 290
 291         return NULL;
 292
 293 }
 294
 295 #define param_range_check(x, y) \
 296         (((x < y.min) || (x > y.max)) || \
 297         (y.increment != 0 && (x % y.increment) != 0))
 298
 299 int
 300 rte_cryptodev_sym_capability_check_cipher(
 301                 const struct rte_cryptodev_symmetric_capability *capability,
 302                 uint16_t key_size, uint16_t iv_size)
 303 {
 304         if (param_range_check(key_size, capability->cipher.key_size))
 305                 return -1;
 306
 307         if (param_range_check(iv_size, capability->cipher.iv_size))
 308                 return -1;
 309
 310         return 0;
 311 }
 312
 313 int
 314 rte_cryptodev_sym_capability_check_auth(
 315                 const struct rte_cryptodev_symmetric_capability *capability,
 316                 uint16_t key_size, uint16_t digest_size, uint16_t aad_size,
 317                 uint16_t iv_size)
 318 {
 319         if (param_range_check(key_size, capability->auth.key_size))
 320                 return -1;
 321
 322         if (param_range_check(digest_size, capability->auth.digest_size))
 323                 return -1;
 324
 325         if (param_range_check(aad_size, capability->auth.aad_size))
 326                 return -1;
 327
 328         if (param_range_check(iv_size, capability->auth.iv_size))
 329                 return -1;
 330
 331         return 0;
 332 }
 333
 334 int
 335 rte_cryptodev_sym_capability_check_aead(
 336                 const struct rte_cryptodev_symmetric_capability *capability,
 337                 uint16_t key_size, uint16_t digest_size, uint16_t aad_size,
 338                 uint16_t iv_size)
 339 {
 340         if (param_range_check(key_size, capability->aead.key_size))
 341                 return -1;
 342
 343         if (param_range_check(digest_size, capability->aead.digest_size))
 344                 return -1;
 345
 346         if (param_range_check(aad_size, capability->aead.aad_size))
 347                 return -1;
 348
 349         if (param_range_check(iv_size, capability->aead.iv_size))
 350                 return -1;
 351
 352         return 0;
 353 }
 354
 355 const char *
 356 rte_cryptodev_get_feature_name(uint64_t flag)
 357 {
 358         switch (flag) {
 359         case RTE_CRYPTODEV_FF_SYMMETRIC_CRYPTO:
 360                 return "SYMMETRIC_CRYPTO";
 361         case RTE_CRYPTODEV_FF_ASYMMETRIC_CRYPTO:
 362                 return "ASYMMETRIC_CRYPTO";
 363         case RTE_CRYPTODEV_FF_SYM_OPERATION_CHAINING:
 364                 return "SYM_OPERATION_CHAINING";
 365         case RTE_CRYPTODEV_FF_CPU_SSE:
 366                 return "CPU_SSE";
 367         case RTE_CRYPTODEV_FF_CPU_AVX:
 368                 return "CPU_AVX";
 369         case RTE_CRYPTODEV_FF_CPU_AVX2:
 370                 return "CPU_AVX2";
 371         case RTE_CRYPTODEV_FF_CPU_AESNI:
 372                 return "CPU_AESNI";
 373         case RTE_CRYPTODEV_FF_HW_ACCELERATED:
 374                 return "HW_ACCELERATED";
 375         case RTE_CRYPTODEV_FF_MBUF_SCATTER_GATHER:
 376                 return "MBUF_SCATTER_GATHER";
 377         case RTE_CRYPTODEV_FF_CPU_NEON:
 378                 return "CPU_NEON";
 379         case RTE_CRYPTODEV_FF_CPU_ARM_CE:
 380                 return "CPU_ARM_CE";
 381         default:
 382                 return NULL;
 383         }
 384 }
 385
 386 int
 387 rte_cryptodev_create_vdev(const char *name, const char *args)
 388 {
 389         return rte_vdev_init(name, args);
 390 }
 391
 392 struct rte_cryptodev *
 393 rte_cryptodev_pmd_get_dev(uint8_t dev_id)
 394 {
 395         return &rte_cryptodev_globals->devs[dev_id];
 396 }
 397
 398 struct rte_cryptodev *
 399 rte_cryptodev_pmd_get_named_dev(const char *name)
 400 {
 401         struct rte_cryptodev *dev;
 402         unsigned int i;
 403
 404         if (name == NULL)
 405                 return NULL;
 406
 407         for (i = 0; i < rte_cryptodev_globals->max_devs; i++) {
 408                 dev = &rte_cryptodev_globals->devs[i];
 409
 410                 if ((dev->attached == RTE_CRYPTODEV_ATTACHED) &&
 411                                 (strcmp(dev->data->name, name) == 0))
 412                         return dev;
 413         }
 414
 415         return NULL;
 416 }
 417
 418 unsigned int
 419 rte_cryptodev_pmd_is_valid_dev(uint8_t dev_id)
 420 {
 421         struct rte_cryptodev *dev = NULL;
 422
 423         if (dev_id >= rte_cryptodev_globals->nb_devs)
 424                 return 0;
 425
 426         dev = rte_cryptodev_pmd_get_dev(dev_id);
 427         if (dev->attached != RTE_CRYPTODEV_ATTACHED)
 428                 return 0;
 429         else
 430                 return 1;
 431 }
 432
 433
 434 int
 435 rte_cryptodev_get_dev_id(const char *name)
 436 {
 437         unsigned i;
 438
 439         if (name == NULL)
 440                 return -1;
 441
 442         for (i = 0; i < rte_cryptodev_globals->nb_devs; i++)
 443                 if ((strcmp(rte_cryptodev_globals->devs[i].data->name, name)
 444                                 == 0) &&
 445                                 (rte_cryptodev_globals->devs[i].attached ==
 446                                                 RTE_CRYPTODEV_ATTACHED))
 447                         return i;
 448
 449         return -1;
 450 }
 451
 452 uint8_t
 453 rte_cryptodev_count(void)
 454 {
 455         return rte_cryptodev_globals->nb_devs;
 456 }
 457
 458 uint8_t
 459 rte_cryptodev_count_devtype(enum rte_cryptodev_type type)
 460 {
 461         uint8_t i, dev_count = 0;
 462
 463         for (i = 0; i < rte_cryptodev_globals->max_devs; i++)
 464                 if (rte_cryptodev_globals->devs[i].dev_type == type &&
 465                         rte_cryptodev_globals->devs[i].attached ==
 466                                         RTE_CRYPTODEV_ATTACHED)
 467                         dev_count++;
 468
 469         return dev_count;
 470 }
 471
 472 uint8_t
 473 rte_cryptodev_devices_get(const char *driver_name, uint8_t *devices,
 474         uint8_t nb_devices)
 475 {
 476         uint8_t i, count = 0;
 477         struct rte_cryptodev *devs = rte_cryptodev_globals->devs;
 478         uint8_t max_devs = rte_cryptodev_globals->max_devs;
 479
 480         for (i = 0; i < max_devs && count < nb_devices; i++) {
 481
 482                 if (devs[i].attached == RTE_CRYPTODEV_ATTACHED) {
 483                         int cmp;
 484
 485                         cmp = strncmp(devs[i].device->driver->name,
 486                                         driver_name,
 487                                         strlen(driver_name));
 488
 489                         if (cmp == 0)
 490                                 devices[count++] = devs[i].data->dev_id;
 491                 }
 492         }
 493
 494         return count;
 495 }
 496
 497 int
 498 rte_cryptodev_socket_id(uint8_t dev_id)
 499 {
 500         struct rte_cryptodev *dev;
 501
 502         if (!rte_cryptodev_pmd_is_valid_dev(dev_id))
 503                 return -1;
 504
 505         dev = rte_cryptodev_pmd_get_dev(dev_id);
 506
 507         return dev->data->socket_id;
 508 }
 509
 510 static inline int
 511 rte_cryptodev_data_alloc(uint8_t dev_id, struct rte_cryptodev_data **data,
 512                 int socket_id)
 513 {
 514         char mz_name[RTE_CRYPTODEV_NAME_MAX_LEN];
 515         const struct rte_memzone *mz;
 516         int n;
 517
 518         /* generate memzone name */
 519         n = snprintf(mz_name, sizeof(mz_name), "rte_cryptodev_data_%u", dev_id);
 520         if (n >= (int)sizeof(mz_name))
 521                 return -EINVAL;
 522
 523         if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
 524                 mz = rte_memzone_reserve(mz_name,
 525                                 sizeof(struct rte_cryptodev_data),
 526                                 socket_id, 0);
 527         } else
 528                 mz = rte_memzone_lookup(mz_name);
 529
 530         if (mz == NULL)
 531                 return -ENOMEM;
 532
 533         *data = mz->addr;
 534         if (rte_eal_process_type() == RTE_PROC_PRIMARY)
 535                 memset(*data, 0, sizeof(struct rte_cryptodev_data));
 536
 537         return 0;
 538 }
 539
 540 static uint8_t
 541 rte_cryptodev_find_free_device_index(void)
 542 {
 543         uint8_t dev_id;
 544
 545         for (dev_id = 0; dev_id < RTE_CRYPTO_MAX_DEVS; dev_id++) {
 546                 if (rte_crypto_devices[dev_id].attached ==
 547                                 RTE_CRYPTODEV_DETACHED)
 548                         return dev_id;
 549         }
 550         return RTE_CRYPTO_MAX_DEVS;
 551 }
 552
 553 struct rte_cryptodev *
 554 rte_cryptodev_pmd_allocate(const char *name, int socket_id)
 555 {
 556         struct rte_cryptodev *cryptodev;
 557         uint8_t dev_id;
 558
 559         if (rte_cryptodev_pmd_get_named_dev(name) != NULL) {
 560                 CDEV_LOG_ERR("Crypto device with name %s already "
 561                                 "allocated!", name);
 562                 return NULL;
 563         }
 564
 565         dev_id = rte_cryptodev_find_free_device_index();
 566         if (dev_id == RTE_CRYPTO_MAX_DEVS) {
 567                 CDEV_LOG_ERR("Reached maximum number of crypto devices");
 568                 return NULL;
 569         }
 570
 571         cryptodev = rte_cryptodev_pmd_get_dev(dev_id);
 572
 573         if (cryptodev->data == NULL) {
 574                 struct rte_cryptodev_data *cryptodev_data =
 575                                 cryptodev_globals.data[dev_id];
 576
 577                 int retval = rte_cryptodev_data_alloc(dev_id, &cryptodev_data,
 578                                 socket_id);
 579
 580                 if (retval < 0 || cryptodev_data == NULL)
 581                         return NULL;
 582
 583                 cryptodev->data = cryptodev_data;
 584
 585                 snprintf(cryptodev->data->name, RTE_CRYPTODEV_NAME_MAX_LEN,
 586                                 "%s", name);
 587
 588                 cryptodev->data->dev_id = dev_id;
 589                 cryptodev->data->socket_id = socket_id;
 590                 cryptodev->data->dev_started = 0;
 591
 592                 cryptodev->attached = RTE_CRYPTODEV_ATTACHED;
 593
 594                 cryptodev_globals.nb_devs++;
 595         }
 596
 597         return cryptodev;
 598 }
 599
 600 int
 601 rte_cryptodev_pmd_release_device(struct rte_cryptodev *cryptodev)
 602 {
 603         int ret;
 604
 605         if (cryptodev == NULL)
 606                 return -EINVAL;
 607
 608         /* Close device only if device operations have been set */
 609         if (cryptodev->dev_ops) {
 610                 ret = rte_cryptodev_close(cryptodev->data->dev_id);
 611                 if (ret < 0)
 612                         return ret;
 613         }
 614
 615         cryptodev->attached = RTE_CRYPTODEV_DETACHED;
 616         cryptodev_globals.nb_devs--;
 617         return 0;
 618 }
 619
 620 uint16_t
 621 rte_cryptodev_queue_pair_count(uint8_t dev_id)
 622 {
 623         struct rte_cryptodev *dev;
 624
 625         dev = &rte_crypto_devices[dev_id];
 626         return dev->data->nb_queue_pairs;
 627 }
 628
 629 static int
 630 rte_cryptodev_queue_pairs_config(struct rte_cryptodev *dev, uint16_t nb_qpairs,
 631                 int socket_id)
 632 {
 633         struct rte_cryptodev_info dev_info;
 634         void **qp;
 635         unsigned i;
 636
 637         if ((dev == NULL) || (nb_qpairs < 1)) {
 638                 CDEV_LOG_ERR("invalid param: dev %p, nb_queues %u",
 639                                                         dev, nb_qpairs);
 640                 return -EINVAL;
 641         }
 642
 643         CDEV_LOG_DEBUG("Setup %d queues pairs on device %u",
 644                         nb_qpairs, dev->data->dev_id);
 645
 646         memset(&dev_info, 0, sizeof(struct rte_cryptodev_info));
 647
 648         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_infos_get, -ENOTSUP);
 649         (*dev->dev_ops->dev_infos_get)(dev, &dev_info);
 650
 651         if (nb_qpairs > (dev_info.max_nb_queue_pairs)) {
 652                 CDEV_LOG_ERR("Invalid num queue_pairs (%u) for dev %u",
 653                                 nb_qpairs, dev->data->dev_id);
 654             return -EINVAL;
 655         }
 656
 657         if (dev->data->queue_pairs == NULL) { /* first time configuration */
 658                 dev->data->queue_pairs = rte_zmalloc_socket(
 659                                 "cryptodev->queue_pairs",
 660                                 sizeof(dev->data->queue_pairs[0]) * nb_qpairs,
 661                                 RTE_CACHE_LINE_SIZE, socket_id);
 662
 663                 if (dev->data->queue_pairs == NULL) {
 664                         dev->data->nb_queue_pairs = 0;
 665                         CDEV_LOG_ERR("failed to get memory for qp meta data, "
 666                                                         "nb_queues %u",
 667                                                         nb_qpairs);
 668                         return -(ENOMEM);
 669                 }
 670         } else { /* re-configure */
 671                 int ret;
 672                 uint16_t old_nb_queues = dev->data->nb_queue_pairs;
 673
 674                 qp = dev->data->queue_pairs;
 675
 676                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->queue_pair_release,
 677                                 -ENOTSUP);
 678
 679                 for (i = nb_qpairs; i < old_nb_queues; i++) {
 680                         ret = (*dev->dev_ops->queue_pair_release)(dev, i);
 681                         if (ret < 0)
 682                                 return ret;
 683                 }
 684
 685                 qp = rte_realloc(qp, sizeof(qp[0]) * nb_qpairs,
 686                                 RTE_CACHE_LINE_SIZE);
 687                 if (qp == NULL) {
 688                         CDEV_LOG_ERR("failed to realloc qp meta data,"
 689                                                 " nb_queues %u", nb_qpairs);
 690                         return -(ENOMEM);
 691                 }
 692
 693                 if (nb_qpairs > old_nb_queues) {
 694                         uint16_t new_qs = nb_qpairs - old_nb_queues;
 695
 696                         memset(qp + old_nb_queues, 0,
 697                                 sizeof(qp[0]) * new_qs);
 698                 }
 699
 700                 dev->data->queue_pairs = qp;
 701
 702         }
 703         dev->data->nb_queue_pairs = nb_qpairs;
 704         return 0;
 705 }
 706
 707 int
 708 rte_cryptodev_queue_pair_start(uint8_t dev_id, uint16_t queue_pair_id)
 709 {
 710         struct rte_cryptodev *dev;
 711
 712         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
 713                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
 714                 return -EINVAL;
 715         }
 716
 717         dev = &rte_crypto_devices[dev_id];
 718         if (queue_pair_id >= dev->data->nb_queue_pairs) {
 719                 CDEV_LOG_ERR("Invalid queue_pair_id=%d", queue_pair_id);
 720                 return -EINVAL;
 721         }
 722
 723         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->queue_pair_start, -ENOTSUP);
 724
 725         return dev->dev_ops->queue_pair_start(dev, queue_pair_id);
 726
 727 }
 728
 729 int
 730 rte_cryptodev_queue_pair_stop(uint8_t dev_id, uint16_t queue_pair_id)
 731 {
 732         struct rte_cryptodev *dev;
 733
 734         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
 735                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
 736                 return -EINVAL;
 737         }
 738
 739         dev = &rte_crypto_devices[dev_id];
 740         if (queue_pair_id >= dev->data->nb_queue_pairs) {
 741                 CDEV_LOG_ERR("Invalid queue_pair_id=%d", queue_pair_id);
 742                 return -EINVAL;
 743         }
 744
 745         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->queue_pair_stop, -ENOTSUP);
 746
 747         return dev->dev_ops->queue_pair_stop(dev, queue_pair_id);
 748
 749 }
 750
 751 static int
 752 rte_cryptodev_sym_session_pool_create(struct rte_cryptodev *dev,
 753                 unsigned nb_objs, unsigned obj_cache_size, int socket_id);
 754
 755 int
 756 rte_cryptodev_configure(uint8_t dev_id, struct rte_cryptodev_config *config)
 757 {
 758         struct rte_cryptodev *dev;
 759         int diag;
 760
 761         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
 762                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
 763                 return -EINVAL;
 764         }
 765
 766         dev = &rte_crypto_devices[dev_id];
 767
 768         if (dev->data->dev_started) {
 769                 CDEV_LOG_ERR(
 770                     "device %d must be stopped to allow configuration", dev_id);
 771                 return -EBUSY;
 772         }
 773
 774         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_configure, -ENOTSUP);
 775
 776         /* Setup new number of queue pairs and reconfigure device. */
 777         diag = rte_cryptodev_queue_pairs_config(dev, config->nb_queue_pairs,
 778                         config->socket_id);
 779         if (diag != 0) {
 780                 CDEV_LOG_ERR("dev%d rte_crypto_dev_queue_pairs_config = %d",
 781                                 dev_id, diag);
 782                 return diag;
 783         }
 784
 785         /* Setup Session mempool for device */
 786         diag = rte_cryptodev_sym_session_pool_create(dev,
 787                         config->session_mp.nb_objs,
 788                         config->session_mp.cache_size,
 789                         config->socket_id);
 790         if (diag != 0)
 791                 return diag;
 792
 793         return (*dev->dev_ops->dev_configure)(dev, config);
 794 }
 795
 796
 797 int
 798 rte_cryptodev_start(uint8_t dev_id)
 799 {
 800         struct rte_cryptodev *dev;
 801         int diag;
 802
 803         CDEV_LOG_DEBUG("Start dev_id=%" PRIu8, dev_id);
 804
 805         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
 806                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
 807                 return -EINVAL;
 808         }
 809
 810         dev = &rte_crypto_devices[dev_id];
 811
 812         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_start, -ENOTSUP);
 813
 814         if (dev->data->dev_started != 0) {
 815                 CDEV_LOG_ERR("Device with dev_id=%" PRIu8 " already started",
 816                         dev_id);
 817                 return 0;
 818         }
 819
 820         diag = (*dev->dev_ops->dev_start)(dev);
 821         if (diag == 0)
 822                 dev->data->dev_started = 1;
 823         else
 824                 return diag;
 825
 826         return 0;
 827 }
 828
 829 void
 830 rte_cryptodev_stop(uint8_t dev_id)
 831 {
 832         struct rte_cryptodev *dev;
 833
 834         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
 835                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
 836                 return;
 837         }
 838
 839         dev = &rte_crypto_devices[dev_id];
 840
 841         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->dev_stop);
 842
 843         if (dev->data->dev_started == 0) {
 844                 CDEV_LOG_ERR("Device with dev_id=%" PRIu8 " already stopped",
 845                         dev_id);
 846                 return;
 847         }
 848
 849         (*dev->dev_ops->dev_stop)(dev);
 850         dev->data->dev_started = 0;
 851 }
 852
 853 int
 854 rte_cryptodev_close(uint8_t dev_id)
 855 {
 856         struct rte_cryptodev *dev;
 857         int retval;
 858
 859         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
 860                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
 861                 return -1;
 862         }
 863
 864         dev = &rte_crypto_devices[dev_id];
 865
 866         /* Device must be stopped before it can be closed */
 867         if (dev->data->dev_started == 1) {
 868                 CDEV_LOG_ERR("Device %u must be stopped before closing",
 869                                 dev_id);
 870                 return -EBUSY;
 871         }
 872
 873         /* We can't close the device if there are outstanding sessions in use */
 874         if (dev->data->session_pool != NULL) {
 875                 if (!rte_mempool_full(dev->data->session_pool)) {
 876                         CDEV_LOG_ERR("dev_id=%u close failed, session mempool "
 877                                         "has sessions still in use, free "
 878                                         "all sessions before calling close",
 879                                         (unsigned)dev_id);
 880                         return -EBUSY;
 881                 }
 882         }
 883
 884         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_close, -ENOTSUP);
 885         retval = (*dev->dev_ops->dev_close)(dev);
 886
 887         if (retval < 0)
 888                 return retval;
 889
 890         return 0;
 891 }
 892
 893 int
 894 rte_cryptodev_queue_pair_setup(uint8_t dev_id, uint16_t queue_pair_id,
 895                 const struct rte_cryptodev_qp_conf *qp_conf, int socket_id)
 896 {
 897         struct rte_cryptodev *dev;
 898
 899         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
 900                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
 901                 return -EINVAL;
 902         }
 903
 904         dev = &rte_crypto_devices[dev_id];
 905         if (queue_pair_id >= dev->data->nb_queue_pairs) {
 906                 CDEV_LOG_ERR("Invalid queue_pair_id=%d", queue_pair_id);
 907                 return -EINVAL;
 908         }
 909
 910         if (dev->data->dev_started) {
 911                 CDEV_LOG_ERR(
 912                     "device %d must be stopped to allow configuration", dev_id);
 913                 return -EBUSY;
 914         }
 915
 916         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->queue_pair_setup, -ENOTSUP);
 917
 918         return (*dev->dev_ops->queue_pair_setup)(dev, queue_pair_id, qp_conf,
 919                         socket_id);
 920 }
 921
 922
 923 int
 924 rte_cryptodev_stats_get(uint8_t dev_id, struct rte_cryptodev_stats *stats)
 925 {
 926         struct rte_cryptodev *dev;
 927
 928         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
 929                 CDEV_LOG_ERR("Invalid dev_id=%d", dev_id);
 930                 return -ENODEV;
 931         }
 932
 933         if (stats == NULL) {
 934                 CDEV_LOG_ERR("Invalid stats ptr");
 935                 return -EINVAL;
 936         }
 937
 938         dev = &rte_crypto_devices[dev_id];
 939         memset(stats, 0, sizeof(*stats));
 940
 941         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->stats_get, -ENOTSUP);
 942         (*dev->dev_ops->stats_get)(dev, stats);
 943         return 0;
 944 }
 945
 946 void
 947 rte_cryptodev_stats_reset(uint8_t dev_id)
 948 {
 949         struct rte_cryptodev *dev;
 950
 951         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
 952                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
 953                 return;
 954         }
 955
 956         dev = &rte_crypto_devices[dev_id];
 957
 958         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->stats_reset);
 959         (*dev->dev_ops->stats_reset)(dev);
 960 }
 961
 962
 963 void
 964 rte_cryptodev_info_get(uint8_t dev_id, struct rte_cryptodev_info *dev_info)
 965 {
 966         struct rte_cryptodev *dev;
 967
 968         if (dev_id >= cryptodev_globals.nb_devs) {
 969                 CDEV_LOG_ERR("Invalid dev_id=%d", dev_id);
 970                 return;
 971         }
 972
 973         dev = &rte_crypto_devices[dev_id];
 974
 975         memset(dev_info, 0, sizeof(struct rte_cryptodev_info));
 976
 977         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->dev_infos_get);
 978         (*dev->dev_ops->dev_infos_get)(dev, dev_info);
 979
 980         dev_info->driver_name = dev->device->driver->name;
 981 }
 982
 983
 984 int
 985 rte_cryptodev_callback_register(uint8_t dev_id,
 986                         enum rte_cryptodev_event_type event,
 987                         rte_cryptodev_cb_fn cb_fn, void *cb_arg)
 988 {
 989         struct rte_cryptodev *dev;
 990         struct rte_cryptodev_callback *user_cb;
 991
 992         if (!cb_fn)
 993                 return -EINVAL;
 994
 995         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
 996                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
 997                 return -EINVAL;
 998         }
 999
1000         dev = &rte_crypto_devices[dev_id];
1001         rte_spinlock_lock(&rte_cryptodev_cb_lock);
1002
1003         TAILQ_FOREACH(user_cb, &(dev->link_intr_cbs), next) {
1004                 if (user_cb->cb_fn == cb_fn &&
1005                         user_cb->cb_arg == cb_arg &&
1006                         user_cb->event == event) {
1007                         break;
1008                 }
1009         }
1010
1011         /* create a new callback. */
1012         if (user_cb == NULL) {
1013                 user_cb = rte_zmalloc("INTR_USER_CALLBACK",
1014                                 sizeof(struct rte_cryptodev_callback), 0);
1015                 if (user_cb != NULL) {
1016                         user_cb->cb_fn = cb_fn;
1017                         user_cb->cb_arg = cb_arg;
1018                         user_cb->event = event;
1019                         TAILQ_INSERT_TAIL(&(dev->link_intr_cbs), user_cb, next);
1020                 }
1021         }
1022
1023         rte_spinlock_unlock(&rte_cryptodev_cb_lock);
1024         return (user_cb == NULL) ? -ENOMEM : 0;
1025 }
1026
1027 int
1028 rte_cryptodev_callback_unregister(uint8_t dev_id,
1029                         enum rte_cryptodev_event_type event,
1030                         rte_cryptodev_cb_fn cb_fn, void *cb_arg)
1031 {
1032         int ret;
1033         struct rte_cryptodev *dev;
1034         struct rte_cryptodev_callback *cb, *next;
1035
1036         if (!cb_fn)
1037                 return -EINVAL;
1038
1039         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
1040                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
1041                 return -EINVAL;
1042         }
1043
1044         dev = &rte_crypto_devices[dev_id];
1045         rte_spinlock_lock(&rte_cryptodev_cb_lock);
1046
1047         ret = 0;
1048         for (cb = TAILQ_FIRST(&dev->link_intr_cbs); cb != NULL; cb = next) {
1049
1050                 next = TAILQ_NEXT(cb, next);
1051
1052                 if (cb->cb_fn != cb_fn || cb->event != event ||
1053                                 (cb->cb_arg != (void *)-1 &&
1054                                 cb->cb_arg != cb_arg))
1055                         continue;
1056
1057                 /*
1058                  * if this callback is not executing right now,
1059                  * then remove it.
1060                  */
1061                 if (cb->active == 0) {
1062                         TAILQ_REMOVE(&(dev->link_intr_cbs), cb, next);
1063                         rte_free(cb);
1064                 } else {
1065                         ret = -EAGAIN;
1066                 }
1067         }
1068
1069         rte_spinlock_unlock(&rte_cryptodev_cb_lock);
1070         return ret;
1071 }
1072
1073 void
1074 rte_cryptodev_pmd_callback_process(struct rte_cryptodev *dev,
1075         enum rte_cryptodev_event_type event)
1076 {
1077         struct rte_cryptodev_callback *cb_lst;
1078         struct rte_cryptodev_callback dev_cb;
1079
1080         rte_spinlock_lock(&rte_cryptodev_cb_lock);
1081         TAILQ_FOREACH(cb_lst, &(dev->link_intr_cbs), next) {
1082                 if (cb_lst->cb_fn == NULL || cb_lst->event != event)
1083                         continue;
1084                 dev_cb = *cb_lst;
1085                 cb_lst->active = 1;
1086                 rte_spinlock_unlock(&rte_cryptodev_cb_lock);
1087                 dev_cb.cb_fn(dev->data->dev_id, dev_cb.event,
1088                                                 dev_cb.cb_arg);
1089                 rte_spinlock_lock(&rte_cryptodev_cb_lock);
1090                 cb_lst->active = 0;
1091         }
1092         rte_spinlock_unlock(&rte_cryptodev_cb_lock);
1093 }
1094
1095
1096 static void
1097 rte_cryptodev_sym_session_init(struct rte_mempool *mp,
1098                 void *opaque_arg,
1099                 void *_sess,
1100                 __rte_unused unsigned i)
1101 {
1102         struct rte_cryptodev_sym_session *sess = _sess;
1103         struct rte_cryptodev *dev = opaque_arg;
1104
1105         memset(sess, 0, mp->elt_size);
1106
1107         sess->dev_id = dev->data->dev_id;
1108         sess->dev_type = dev->dev_type;
1109         sess->mp = mp;
1110
1111         if (dev->dev_ops->session_initialize)
1112                 (*dev->dev_ops->session_initialize)(mp, sess);
1113 }
1114
1115 static int
1116 rte_cryptodev_sym_session_pool_create(struct rte_cryptodev *dev,
1117                 unsigned nb_objs, unsigned obj_cache_size, int socket_id)
1118 {
1119         char mp_name[RTE_CRYPTODEV_NAME_MAX_LEN];
1120         unsigned priv_sess_size;
1121
1122         unsigned n = snprintf(mp_name, sizeof(mp_name), "cdev_%d_sess_mp",
1123                         dev->data->dev_id);
1124         if (n > sizeof(mp_name)) {
1125                 CDEV_LOG_ERR("Unable to create unique name for session mempool");
1126                 return -ENOMEM;
1127         }
1128
1129         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->session_get_size, -ENOTSUP);
1130         priv_sess_size = (*dev->dev_ops->session_get_size)(dev);
1131         if (priv_sess_size == 0) {
1132                 CDEV_LOG_ERR("%s returned and invalid private session size ",
1133                                                 dev->data->name);
1134                 return -ENOMEM;
1135         }
1136
1137         unsigned elt_size = sizeof(struct rte_cryptodev_sym_session) +
1138                         priv_sess_size;
1139
1140         dev->data->session_pool = rte_mempool_lookup(mp_name);
1141         if (dev->data->session_pool != NULL) {
1142                 if ((dev->data->session_pool->elt_size != elt_size) ||
1143                                 (dev->data->session_pool->cache_size <
1144                                 obj_cache_size) ||
1145                                 (dev->data->session_pool->size < nb_objs)) {
1146
1147                         CDEV_LOG_ERR("%s mempool already exists with different"
1148                                         " initialization parameters", mp_name);
1149                         dev->data->session_pool = NULL;
1150                         return -ENOMEM;
1151                 }
1152         } else {
1153                 dev->data->session_pool = rte_mempool_create(
1154                                 mp_name, /* mempool name */
1155                                 nb_objs, /* number of elements*/
1156                                 elt_size, /* element size*/
1157                                 obj_cache_size, /* Cache size*/
1158                                 0, /* private data size */
1159                                 NULL, /* obj initialization constructor */
1160                                 NULL, /* obj initialization constructor arg */
1161                                 rte_cryptodev_sym_session_init,
1162                                 /**< obj constructor*/
1163                                 dev, /* obj constructor arg */
1164                                 socket_id, /* socket id */
1165                                 0); /* flags */
1166
1167                 if (dev->data->session_pool == NULL) {
1168                         CDEV_LOG_ERR("%s mempool allocation failed", mp_name);
1169                         return -ENOMEM;
1170                 }
1171         }
1172
1173         CDEV_LOG_DEBUG("%s mempool created!", mp_name);
1174         return 0;
1175 }
1176
1177 struct rte_cryptodev_sym_session *
1178 rte_cryptodev_sym_session_create(uint8_t dev_id,
1179                 struct rte_crypto_sym_xform *xform)
1180 {
1181         struct rte_cryptodev *dev;
1182         struct rte_cryptodev_sym_session *sess;
1183         void *_sess;
1184
1185         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
1186                 CDEV_LOG_ERR("Invalid dev_id=%d", dev_id);
1187                 return NULL;
1188         }
1189
1190         dev = &rte_crypto_devices[dev_id];
1191
1192         /* Allocate a session structure from the session pool */
1193         if (rte_mempool_get(dev->data->session_pool, &_sess)) {
1194                 CDEV_LOG_ERR("Couldn't get object from session mempool");
1195                 return NULL;
1196         }
1197
1198         sess = _sess;
1199
1200         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->session_configure, NULL);
1201         if (dev->dev_ops->session_configure(dev, xform, sess->_private) ==
1202                         NULL) {
1203                 CDEV_LOG_ERR("dev_id %d failed to configure session details",
1204                                 dev_id);
1205
1206                 /* Return session to mempool */
1207                 rte_mempool_put(sess->mp, _sess);
1208                 return NULL;
1209         }
1210
1211         return sess;
1212 }
1213
1214 int
1215 rte_cryptodev_queue_pair_attach_sym_session(uint16_t qp_id,
1216                 struct rte_cryptodev_sym_session *sess)
1217 {
1218         struct rte_cryptodev *dev;
1219
1220         if (!rte_cryptodev_pmd_is_valid_dev(sess->dev_id)) {
1221                 CDEV_LOG_ERR("Invalid dev_id=%d", sess->dev_id);
1222                 return -EINVAL;
1223         }
1224
1225         dev = &rte_crypto_devices[sess->dev_id];
1226
1227         /* The API is optional, not returning error if driver do not suuport */
1228         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->qp_attach_session, 0);
1229         if (dev->dev_ops->qp_attach_session(dev, qp_id, sess->_private)) {
1230                 CDEV_LOG_ERR("dev_id %d failed to attach qp: %d with session",
1231                                 sess->dev_id, qp_id);
1232                 return -EPERM;
1233         }
1234
1235         return 0;
1236 }
1237
1238 int
1239 rte_cryptodev_queue_pair_detach_sym_session(uint16_t qp_id,
1240                 struct rte_cryptodev_sym_session *sess)
1241 {
1242         struct rte_cryptodev *dev;
1243
1244         if (!rte_cryptodev_pmd_is_valid_dev(sess->dev_id)) {
1245                 CDEV_LOG_ERR("Invalid dev_id=%d", sess->dev_id);
1246                 return -EINVAL;
1247         }
1248
1249         dev = &rte_crypto_devices[sess->dev_id];
1250
1251         /* The API is optional, not returning error if driver do not suuport */
1252         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->qp_detach_session, 0);
1253         if (dev->dev_ops->qp_detach_session(dev, qp_id, sess->_private)) {
1254                 CDEV_LOG_ERR("dev_id %d failed to detach qp: %d from session",
1255                                 sess->dev_id, qp_id);
1256                 return -EPERM;
1257         }
1258
1259         return 0;
1260 }
1261 struct rte_cryptodev_sym_session *
1262 rte_cryptodev_sym_session_free(uint8_t dev_id,
1263                 struct rte_cryptodev_sym_session *sess)
1264 {
1265         struct rte_cryptodev *dev;
1266
1267         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
1268                 CDEV_LOG_ERR("Invalid dev_id=%d", dev_id);
1269                 return sess;
1270         }
1271
1272         dev = &rte_crypto_devices[dev_id];
1273
1274         /* Check the session belongs to this device type */
1275         if (sess->dev_type != dev->dev_type)
1276                 return sess;
1277
1278         /* Let device implementation clear session material */
1279         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->session_clear, sess);
1280         dev->dev_ops->session_clear(dev, (void *)sess->_private);
1281
1282         /* Return session to mempool */
1283         rte_mempool_put(sess->mp, (void *)sess);
1284
1285         return NULL;
1286 }
1287
1288 /** Initialise rte_crypto_op mempool element */
1289 static void
1290 rte_crypto_op_init(struct rte_mempool *mempool,
1291                 void *opaque_arg,
1292                 void *_op_data,
1293                 __rte_unused unsigned i)
1294 {
1295         struct rte_crypto_op *op = _op_data;
1296         enum rte_crypto_op_type type = *(enum rte_crypto_op_type *)opaque_arg;
1297
1298         memset(_op_data, 0, mempool->elt_size);
1299
1300         __rte_crypto_op_reset(op, type);
1301
1302         op->phys_addr = rte_mem_virt2phy(_op_data);
1303         op->mempool = mempool;
1304 }
1305
1306
1307 struct rte_mempool *
1308 rte_crypto_op_pool_create(const char *name, enum rte_crypto_op_type type,
1309                 unsigned nb_elts, unsigned cache_size, uint16_t priv_size,
1310                 int socket_id)
1311 {
1312         struct rte_crypto_op_pool_private *priv;
1313
1314         unsigned elt_size = sizeof(struct rte_crypto_op) +
1315                         sizeof(struct rte_crypto_sym_op) +
1316                         priv_size;
1317
1318         /* lookup mempool in case already allocated */
1319         struct rte_mempool *mp = rte_mempool_lookup(name);
1320
1321         if (mp != NULL) {
1322                 priv = (struct rte_crypto_op_pool_private *)
1323                                 rte_mempool_get_priv(mp);
1324
1325                 if (mp->elt_size != elt_size ||
1326                                 mp->cache_size < cache_size ||
1327                                 mp->size < nb_elts ||
1328                                 priv->priv_size <  priv_size) {
1329                         mp = NULL;
1330                         CDEV_LOG_ERR("Mempool %s already exists but with "
1331                                         "incompatible parameters", name);
1332                         return NULL;
1333                 }
1334                 return mp;
1335         }
1336
1337         mp = rte_mempool_create(
1338                         name,
1339                         nb_elts,
1340                         elt_size,
1341                         cache_size,
1342                         sizeof(struct rte_crypto_op_pool_private),
1343                         NULL,
1344                         NULL,
1345                         rte_crypto_op_init,
1346                         &type,
1347                         socket_id,
1348                         0);
1349
1350         if (mp == NULL) {
1351                 CDEV_LOG_ERR("Failed to create mempool %s", name);
1352                 return NULL;
1353         }
1354
1355         priv = (struct rte_crypto_op_pool_private *)
1356                         rte_mempool_get_priv(mp);
1357
1358         priv->priv_size = priv_size;
1359         priv->type = type;
1360
1361         return mp;
1362 }
1363
1364 int
1365 rte_cryptodev_pmd_create_dev_name(char *name, const char *dev_name_prefix)
1366 {
1367         struct rte_cryptodev *dev = NULL;
1368         uint32_t i = 0;
1369
1370         if (name == NULL)
1371                 return -EINVAL;
1372
1373         for (i = 0; i < RTE_CRYPTO_MAX_DEVS; i++) {
1374                 int ret = snprintf(name, RTE_CRYPTODEV_NAME_MAX_LEN,
1375                                 "%s_%u", dev_name_prefix, i);
1376
1377                 if (ret < 0)
1378                         return ret;
1379
1380                 dev = rte_cryptodev_pmd_get_named_dev(name);
1381                 if (!dev)
1382                         return 0;
1383         }
1384
1385         return -1;
1386 }