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_pci.h>
  51 #include <rte_memory.h>
  52 #include <rte_memcpy.h>
  53 #include <rte_memzone.h>
  54 #include <rte_launch.h>
  55 #include <rte_tailq.h>
  56 #include <rte_eal.h>
  57 #include <rte_per_lcore.h>
  58 #include <rte_lcore.h>
  59 #include <rte_atomic.h>
  60 #include <rte_branch_prediction.h>
  61 #include <rte_common.h>
  62 #include <rte_mempool.h>
  63 #include <rte_malloc.h>
  64 #include <rte_mbuf.h>
  65 #include <rte_errno.h>
  66 #include <rte_spinlock.h>
  67 #include <rte_string_fns.h>
  68
  69 #include "rte_crypto.h"
  70 #include "rte_cryptodev.h"
  71 #include "rte_cryptodev_pmd.h"
  72
  73 struct rte_cryptodev rte_crypto_devices[RTE_CRYPTO_MAX_DEVS];
  74
  75 struct rte_cryptodev *rte_cryptodevs = &rte_crypto_devices[0];
  76
  77 static struct rte_cryptodev_global cryptodev_globals = {
  78                 .devs                   = &rte_crypto_devices[0],
  79                 .data                   = { NULL },
  80                 .nb_devs                = 0,
  81                 .max_devs               = RTE_CRYPTO_MAX_DEVS
  82 };
  83
  84 struct rte_cryptodev_global *rte_cryptodev_globals = &cryptodev_globals;
  85
  86 /* spinlock for crypto device callbacks */
  87 static rte_spinlock_t rte_cryptodev_cb_lock = RTE_SPINLOCK_INITIALIZER;
  88
  89
  90 /**
  91  * The user application callback description.
  92  *
  93  * It contains callback address to be registered by user application,
  94  * the pointer to the parameters for callback, and the event type.
  95  */
  96 struct rte_cryptodev_callback {
  97         TAILQ_ENTRY(rte_cryptodev_callback) next; /**< Callbacks list */
  98         rte_cryptodev_cb_fn cb_fn;              /**< Callback address */
  99         void *cb_arg;                           /**< Parameter for callback */
 100         enum rte_cryptodev_event_type event;    /**< Interrupt event type */
 101         uint32_t active;                        /**< Callback is executing */
 102 };
 103
 104 #define RTE_CRYPTODEV_VDEV_NAME                         ("name")
 105 #define RTE_CRYPTODEV_VDEV_MAX_NB_QP_ARG                ("max_nb_queue_pairs")
 106 #define RTE_CRYPTODEV_VDEV_MAX_NB_SESS_ARG              ("max_nb_sessions")
 107 #define RTE_CRYPTODEV_VDEV_SOCKET_ID                    ("socket_id")
 108
 109 static const char *cryptodev_vdev_valid_params[] = {
 110         RTE_CRYPTODEV_VDEV_NAME,
 111         RTE_CRYPTODEV_VDEV_MAX_NB_QP_ARG,
 112         RTE_CRYPTODEV_VDEV_MAX_NB_SESS_ARG,
 113         RTE_CRYPTODEV_VDEV_SOCKET_ID
 114 };
 115
 116 /**
 117  * The crypto cipher algorithm strings identifiers.
 118  * It could be used in application command line.
 119  */
 120 const char *
 121 rte_crypto_cipher_algorithm_strings[] = {
 122         [RTE_CRYPTO_CIPHER_3DES_CBC]    = "3des-cbc",
 123         [RTE_CRYPTO_CIPHER_3DES_ECB]    = "3des-ecb",
 124         [RTE_CRYPTO_CIPHER_3DES_CTR]    = "3des-ctr",
 125
 126         [RTE_CRYPTO_CIPHER_AES_CBC]     = "aes-cbc",
 127         [RTE_CRYPTO_CIPHER_AES_CCM]     = "aes-ccm",
 128         [RTE_CRYPTO_CIPHER_AES_CTR]     = "aes-ctr",
 129         [RTE_CRYPTO_CIPHER_AES_ECB]     = "aes-ecb",
 130         [RTE_CRYPTO_CIPHER_AES_GCM]     = "aes-gcm",
 131         [RTE_CRYPTO_CIPHER_AES_F8]      = "aes-f8",
 132         [RTE_CRYPTO_CIPHER_AES_XTS]     = "aes-xts",
 133
 134         [RTE_CRYPTO_CIPHER_ARC4]        = "arc4",
 135
 136         [RTE_CRYPTO_CIPHER_NULL]        = "null",
 137
 138         [RTE_CRYPTO_CIPHER_KASUMI_F8]   = "kasumi-f8",
 139         [RTE_CRYPTO_CIPHER_SNOW3G_UEA2] = "snow3g-uea2",
 140         [RTE_CRYPTO_CIPHER_ZUC_EEA3]    = "zuc-eea3"
 141 };
 142
 143 /**
 144  * The crypto cipher operation strings identifiers.
 145  * It could be used in application command line.
 146  */
 147 const char *
 148 rte_crypto_cipher_operation_strings[] = {
 149                 [RTE_CRYPTO_CIPHER_OP_ENCRYPT]  = "encrypt",
 150                 [RTE_CRYPTO_CIPHER_OP_DECRYPT]  = "decrypt"
 151 };
 152
 153 /**
 154  * The crypto auth algorithm strings identifiers.
 155  * It could be used in application command line.
 156  */
 157 const char *
 158 rte_crypto_auth_algorithm_strings[] = {
 159         [RTE_CRYPTO_AUTH_AES_CBC_MAC]   = "aes-cbc-mac",
 160         [RTE_CRYPTO_AUTH_AES_CCM]       = "aes-ccm",
 161         [RTE_CRYPTO_AUTH_AES_CMAC]      = "aes-cmac",
 162         [RTE_CRYPTO_AUTH_AES_GCM]       = "aes-gcm",
 163         [RTE_CRYPTO_AUTH_AES_GMAC]      = "aes-gmac",
 164         [RTE_CRYPTO_AUTH_AES_XCBC_MAC]  = "aes-xcbc-mac",
 165
 166         [RTE_CRYPTO_AUTH_MD5]           = "md5",
 167         [RTE_CRYPTO_AUTH_MD5_HMAC]      = "md5-hmac",
 168
 169         [RTE_CRYPTO_AUTH_SHA1]          = "sha1",
 170         [RTE_CRYPTO_AUTH_SHA1_HMAC]     = "sha1-hmac",
 171
 172         [RTE_CRYPTO_AUTH_SHA224]        = "sha2-224",
 173         [RTE_CRYPTO_AUTH_SHA224_HMAC]   = "sha2-224-hmac",
 174         [RTE_CRYPTO_AUTH_SHA256]        = "sha2-256",
 175         [RTE_CRYPTO_AUTH_SHA256_HMAC]   = "sha2-256-hmac",
 176         [RTE_CRYPTO_AUTH_SHA384]        = "sha2-384",
 177         [RTE_CRYPTO_AUTH_SHA384_HMAC]   = "sha2-384-hmac",
 178         [RTE_CRYPTO_AUTH_SHA512]        = "sha2-512",
 179         [RTE_CRYPTO_AUTH_SHA512_HMAC]   = "sha2-512-hmac",
 180
 181         [RTE_CRYPTO_AUTH_KASUMI_F9]     = "kasumi-f9",
 182         [RTE_CRYPTO_AUTH_SNOW3G_UIA2]   = "snow3g-uia2",
 183         [RTE_CRYPTO_AUTH_ZUC_EIA3]      = "zuc-eia3"
 184 };
 185
 186 /**
 187  * The crypto auth operation strings identifiers.
 188  * It could be used in application command line.
 189  */
 190 const char *
 191 rte_crypto_auth_operation_strings[] = {
 192                 [RTE_CRYPTO_AUTH_OP_VERIFY]     = "verify",
 193                 [RTE_CRYPTO_AUTH_OP_GENERATE]   = "generate"
 194 };
 195
 196 static uint8_t
 197 number_of_sockets(void)
 198 {
 199         int sockets = 0;
 200         int i;
 201         const struct rte_memseg *ms = rte_eal_get_physmem_layout();
 202
 203         for (i = 0; ((i < RTE_MAX_MEMSEG) && (ms[i].addr != NULL)); i++) {
 204                 if (sockets < ms[i].socket_id)
 205                         sockets = ms[i].socket_id;
 206         }
 207
 208         /* Number of sockets = maximum socket_id + 1 */
 209         return ++sockets;
 210 }
 211
 212 /** Parse integer from integer argument */
 213 static int
 214 parse_integer_arg(const char *key __rte_unused,
 215                 const char *value, void *extra_args)
 216 {
 217         int *i = (int *) extra_args;
 218
 219         *i = atoi(value);
 220         if (*i < 0) {
 221                 CDEV_LOG_ERR("Argument has to be positive.");
 222                 return -1;
 223         }
 224
 225         return 0;
 226 }
 227
 228 /** Parse name */
 229 static int
 230 parse_name_arg(const char *key __rte_unused,
 231                 const char *value, void *extra_args)
 232 {
 233         struct rte_crypto_vdev_init_params *params = extra_args;
 234
 235         if (strlen(value) >= RTE_CRYPTODEV_NAME_MAX_LEN - 1) {
 236                 CDEV_LOG_ERR("Invalid name %s, should be less than "
 237                                 "%u bytes", value,
 238                                 RTE_CRYPTODEV_NAME_MAX_LEN - 1);
 239                 return -1;
 240         }
 241
 242         strncpy(params->name, value, RTE_CRYPTODEV_NAME_MAX_LEN);
 243
 244         return 0;
 245 }
 246
 247 int
 248 rte_cryptodev_parse_vdev_init_params(struct rte_crypto_vdev_init_params *params,
 249                 const char *input_args)
 250 {
 251         struct rte_kvargs *kvlist = NULL;
 252         int ret = 0;
 253
 254         if (params == NULL)
 255                 return -EINVAL;
 256
 257         if (input_args) {
 258                 kvlist = rte_kvargs_parse(input_args,
 259                                 cryptodev_vdev_valid_params);
 260                 if (kvlist == NULL)
 261                         return -1;
 262
 263                 ret = rte_kvargs_process(kvlist,
 264                                         RTE_CRYPTODEV_VDEV_MAX_NB_QP_ARG,
 265                                         &parse_integer_arg,
 266                                         &params->max_nb_queue_pairs);
 267                 if (ret < 0)
 268                         goto free_kvlist;
 269
 270                 ret = rte_kvargs_process(kvlist,
 271                                         RTE_CRYPTODEV_VDEV_MAX_NB_SESS_ARG,
 272                                         &parse_integer_arg,
 273                                         &params->max_nb_sessions);
 274                 if (ret < 0)
 275                         goto free_kvlist;
 276
 277                 ret = rte_kvargs_process(kvlist, RTE_CRYPTODEV_VDEV_SOCKET_ID,
 278                                         &parse_integer_arg,
 279                                         &params->socket_id);
 280                 if (ret < 0)
 281                         goto free_kvlist;
 282
 283                 ret = rte_kvargs_process(kvlist, RTE_CRYPTODEV_VDEV_NAME,
 284                                         &parse_name_arg,
 285                                         params);
 286                 if (ret < 0)
 287                         goto free_kvlist;
 288
 289                 if (params->socket_id >= number_of_sockets()) {
 290                         CDEV_LOG_ERR("Invalid socket id specified to create "
 291                                 "the virtual crypto device on");
 292                         goto free_kvlist;
 293                 }
 294         }
 295
 296 free_kvlist:
 297         rte_kvargs_free(kvlist);
 298         return ret;
 299 }
 300
 301 const struct rte_cryptodev_symmetric_capability *
 302 rte_cryptodev_sym_capability_get(uint8_t dev_id,
 303                 const struct rte_cryptodev_sym_capability_idx *idx)
 304 {
 305         const struct rte_cryptodev_capabilities *capability;
 306         struct rte_cryptodev_info dev_info;
 307         int i = 0;
 308
 309         rte_cryptodev_info_get(dev_id, &dev_info);
 310
 311         while ((capability = &dev_info.capabilities[i++])->op !=
 312                         RTE_CRYPTO_OP_TYPE_UNDEFINED) {
 313                 if (capability->op != RTE_CRYPTO_OP_TYPE_SYMMETRIC)
 314                         continue;
 315
 316                 if (capability->sym.xform_type != idx->type)
 317                         continue;
 318
 319                 if (idx->type == RTE_CRYPTO_SYM_XFORM_AUTH &&
 320                         capability->sym.auth.algo == idx->algo.auth)
 321                         return &capability->sym;
 322
 323                 if (idx->type == RTE_CRYPTO_SYM_XFORM_CIPHER &&
 324                         capability->sym.cipher.algo == idx->algo.cipher)
 325                         return &capability->sym;
 326         }
 327
 328         return NULL;
 329
 330 }
 331
 332 #define param_range_check(x, y) \
 333         (((x < y.min) || (x > y.max)) || \
 334         (y.increment != 0 && (x % y.increment) != 0))
 335
 336 int
 337 rte_cryptodev_sym_capability_check_cipher(
 338                 const struct rte_cryptodev_symmetric_capability *capability,
 339                 uint16_t key_size, uint16_t iv_size)
 340 {
 341         if (param_range_check(key_size, capability->cipher.key_size))
 342                 return -1;
 343
 344         if (param_range_check(iv_size, capability->cipher.iv_size))
 345                 return -1;
 346
 347         return 0;
 348 }
 349
 350 int
 351 rte_cryptodev_sym_capability_check_auth(
 352                 const struct rte_cryptodev_symmetric_capability *capability,
 353                 uint16_t key_size, uint16_t digest_size, uint16_t aad_size)
 354 {
 355         if (param_range_check(key_size, capability->auth.key_size))
 356                 return -1;
 357
 358         if (param_range_check(digest_size, capability->auth.digest_size))
 359                 return -1;
 360
 361         if (param_range_check(aad_size, capability->auth.aad_size))
 362                 return -1;
 363
 364         return 0;
 365 }
 366
 367
 368 const char *
 369 rte_cryptodev_get_feature_name(uint64_t flag)
 370 {
 371         switch (flag) {
 372         case RTE_CRYPTODEV_FF_SYMMETRIC_CRYPTO:
 373                 return "SYMMETRIC_CRYPTO";
 374         case RTE_CRYPTODEV_FF_ASYMMETRIC_CRYPTO:
 375                 return "ASYMMETRIC_CRYPTO";
 376         case RTE_CRYPTODEV_FF_SYM_OPERATION_CHAINING:
 377                 return "SYM_OPERATION_CHAINING";
 378         case RTE_CRYPTODEV_FF_CPU_SSE:
 379                 return "CPU_SSE";
 380         case RTE_CRYPTODEV_FF_CPU_AVX:
 381                 return "CPU_AVX";
 382         case RTE_CRYPTODEV_FF_CPU_AVX2:
 383                 return "CPU_AVX2";
 384         case RTE_CRYPTODEV_FF_CPU_AESNI:
 385                 return "CPU_AESNI";
 386         case RTE_CRYPTODEV_FF_HW_ACCELERATED:
 387                 return "HW_ACCELERATED";
 388         case RTE_CRYPTODEV_FF_MBUF_SCATTER_GATHER:
 389                 return "MBUF_SCATTER_GATHER";
 390         case RTE_CRYPTODEV_FF_CPU_NEON:
 391                 return "CPU_NEON";
 392         case RTE_CRYPTODEV_FF_CPU_ARM_CE:
 393                 return "CPU_ARM_CE";
 394         default:
 395                 return NULL;
 396         }
 397 }
 398
 399 int
 400 rte_cryptodev_create_vdev(const char *name, const char *args)
 401 {
 402         return rte_eal_vdev_init(name, args);
 403 }
 404
 405 struct rte_cryptodev *
 406 rte_cryptodev_pmd_get_dev(uint8_t dev_id)
 407 {
 408         return &rte_cryptodev_globals->devs[dev_id];
 409 }
 410
 411 struct rte_cryptodev *
 412 rte_cryptodev_pmd_get_named_dev(const char *name)
 413 {
 414         struct rte_cryptodev *dev;
 415         unsigned int i;
 416
 417         if (name == NULL)
 418                 return NULL;
 419
 420         for (i = 0; i < rte_cryptodev_globals->max_devs; i++) {
 421                 dev = &rte_cryptodev_globals->devs[i];
 422
 423                 if ((dev->attached == RTE_CRYPTODEV_ATTACHED) &&
 424                                 (strcmp(dev->data->name, name) == 0))
 425                         return dev;
 426         }
 427
 428         return NULL;
 429 }
 430
 431 unsigned int
 432 rte_cryptodev_pmd_is_valid_dev(uint8_t dev_id)
 433 {
 434         struct rte_cryptodev *dev = NULL;
 435
 436         if (dev_id >= rte_cryptodev_globals->nb_devs)
 437                 return 0;
 438
 439         dev = rte_cryptodev_pmd_get_dev(dev_id);
 440         if (dev->attached != RTE_CRYPTODEV_ATTACHED)
 441                 return 0;
 442         else
 443                 return 1;
 444 }
 445
 446
 447 int
 448 rte_cryptodev_get_dev_id(const char *name)
 449 {
 450         unsigned i;
 451
 452         if (name == NULL)
 453                 return -1;
 454
 455         for (i = 0; i < rte_cryptodev_globals->nb_devs; i++)
 456                 if ((strcmp(rte_cryptodev_globals->devs[i].data->name, name)
 457                                 == 0) &&
 458                                 (rte_cryptodev_globals->devs[i].attached ==
 459                                                 RTE_CRYPTODEV_ATTACHED))
 460                         return i;
 461
 462         return -1;
 463 }
 464
 465 uint8_t
 466 rte_cryptodev_count(void)
 467 {
 468         return rte_cryptodev_globals->nb_devs;
 469 }
 470
 471 uint8_t
 472 rte_cryptodev_count_devtype(enum rte_cryptodev_type type)
 473 {
 474         uint8_t i, dev_count = 0;
 475
 476         for (i = 0; i < rte_cryptodev_globals->max_devs; i++)
 477                 if (rte_cryptodev_globals->devs[i].dev_type == type &&
 478                         rte_cryptodev_globals->devs[i].attached ==
 479                                         RTE_CRYPTODEV_ATTACHED)
 480                         dev_count++;
 481
 482         return dev_count;
 483 }
 484
 485 int
 486 rte_cryptodev_devices_get(const char *dev_name, uint8_t *devices,
 487         uint8_t nb_devices)
 488 {
 489         uint8_t i, cmp, count = 0;
 490         struct rte_cryptodev **devs = &rte_cryptodev_globals->devs;
 491         struct rte_device *dev;
 492
 493         for (i = 0; i < rte_cryptodev_globals->max_devs && count < nb_devices;
 494                         i++) {
 495
 496                 if ((*devs + i)
 497                                 && (*devs + i)->attached ==
 498                                                 RTE_CRYPTODEV_ATTACHED) {
 499
 500                         dev = (*devs + i)->device;
 501
 502                         if (dev)
 503                                 cmp = strncmp(dev->driver->name,
 504                                                 dev_name,
 505                                                 strlen(dev_name));
 506                         else
 507                                 cmp = strncmp((*devs + i)->data->name,
 508                                                 dev_name,
 509                                                 strlen(dev_name));
 510
 511                         if (cmp == 0)
 512                                 devices[count++] = (*devs + i)->data->dev_id;
 513                 }
 514         }
 515
 516         return count;
 517 }
 518
 519 int
 520 rte_cryptodev_socket_id(uint8_t dev_id)
 521 {
 522         struct rte_cryptodev *dev;
 523
 524         if (!rte_cryptodev_pmd_is_valid_dev(dev_id))
 525                 return -1;
 526
 527         dev = rte_cryptodev_pmd_get_dev(dev_id);
 528
 529         return dev->data->socket_id;
 530 }
 531
 532 static inline int
 533 rte_cryptodev_data_alloc(uint8_t dev_id, struct rte_cryptodev_data **data,
 534                 int socket_id)
 535 {
 536         char mz_name[RTE_CRYPTODEV_NAME_MAX_LEN];
 537         const struct rte_memzone *mz;
 538         int n;
 539
 540         /* generate memzone name */
 541         n = snprintf(mz_name, sizeof(mz_name), "rte_cryptodev_data_%u", dev_id);
 542         if (n >= (int)sizeof(mz_name))
 543                 return -EINVAL;
 544
 545         if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
 546                 mz = rte_memzone_reserve(mz_name,
 547                                 sizeof(struct rte_cryptodev_data),
 548                                 socket_id, 0);
 549         } else
 550                 mz = rte_memzone_lookup(mz_name);
 551
 552         if (mz == NULL)
 553                 return -ENOMEM;
 554
 555         *data = mz->addr;
 556         if (rte_eal_process_type() == RTE_PROC_PRIMARY)
 557                 memset(*data, 0, sizeof(struct rte_cryptodev_data));
 558
 559         return 0;
 560 }
 561
 562 static uint8_t
 563 rte_cryptodev_find_free_device_index(void)
 564 {
 565         uint8_t dev_id;
 566
 567         for (dev_id = 0; dev_id < RTE_CRYPTO_MAX_DEVS; dev_id++) {
 568                 if (rte_crypto_devices[dev_id].attached ==
 569                                 RTE_CRYPTODEV_DETACHED)
 570                         return dev_id;
 571         }
 572         return RTE_CRYPTO_MAX_DEVS;
 573 }
 574
 575 struct rte_cryptodev *
 576 rte_cryptodev_pmd_allocate(const char *name, int socket_id)
 577 {
 578         struct rte_cryptodev *cryptodev;
 579         uint8_t dev_id;
 580
 581         if (rte_cryptodev_pmd_get_named_dev(name) != NULL) {
 582                 CDEV_LOG_ERR("Crypto device with name %s already "
 583                                 "allocated!", name);
 584                 return NULL;
 585         }
 586
 587         dev_id = rte_cryptodev_find_free_device_index();
 588         if (dev_id == RTE_CRYPTO_MAX_DEVS) {
 589                 CDEV_LOG_ERR("Reached maximum number of crypto devices");
 590                 return NULL;
 591         }
 592
 593         cryptodev = rte_cryptodev_pmd_get_dev(dev_id);
 594
 595         if (cryptodev->data == NULL) {
 596                 struct rte_cryptodev_data *cryptodev_data =
 597                                 cryptodev_globals.data[dev_id];
 598
 599                 int retval = rte_cryptodev_data_alloc(dev_id, &cryptodev_data,
 600                                 socket_id);
 601
 602                 if (retval < 0 || cryptodev_data == NULL)
 603                         return NULL;
 604
 605                 cryptodev->data = cryptodev_data;
 606
 607                 snprintf(cryptodev->data->name, RTE_CRYPTODEV_NAME_MAX_LEN,
 608                                 "%s", name);
 609
 610                 cryptodev->data->dev_id = dev_id;
 611                 cryptodev->data->socket_id = socket_id;
 612                 cryptodev->data->dev_started = 0;
 613
 614                 cryptodev->attached = RTE_CRYPTODEV_ATTACHED;
 615
 616                 cryptodev_globals.nb_devs++;
 617         }
 618
 619         return cryptodev;
 620 }
 621
 622 int
 623 rte_cryptodev_pmd_release_device(struct rte_cryptodev *cryptodev)
 624 {
 625         int ret;
 626
 627         if (cryptodev == NULL)
 628                 return -EINVAL;
 629
 630         ret = rte_cryptodev_close(cryptodev->data->dev_id);
 631         if (ret < 0)
 632                 return ret;
 633
 634         cryptodev->attached = RTE_CRYPTODEV_DETACHED;
 635         cryptodev_globals.nb_devs--;
 636         return 0;
 637 }
 638
 639 struct rte_cryptodev *
 640 rte_cryptodev_pmd_virtual_dev_init(const char *name, size_t dev_private_size,
 641                 int socket_id)
 642 {
 643         struct rte_cryptodev *cryptodev;
 644
 645         /* allocate device structure */
 646         cryptodev = rte_cryptodev_pmd_allocate(name, socket_id);
 647         if (cryptodev == NULL)
 648                 return NULL;
 649
 650         /* allocate private device structure */
 651         if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
 652                 cryptodev->data->dev_private =
 653                                 rte_zmalloc_socket("cryptodev device private",
 654                                                 dev_private_size,
 655                                                 RTE_CACHE_LINE_SIZE,
 656                                                 socket_id);
 657
 658                 if (cryptodev->data->dev_private == NULL)
 659                         rte_panic("Cannot allocate memzone for private device"
 660                                         " data");
 661         }
 662
 663         /* initialise user call-back tail queue */
 664         TAILQ_INIT(&(cryptodev->link_intr_cbs));
 665
 666         return cryptodev;
 667 }
 668
 669 int
 670 rte_cryptodev_pci_probe(struct rte_pci_driver *pci_drv,
 671                         struct rte_pci_device *pci_dev)
 672 {
 673         struct rte_cryptodev_driver *cryptodrv;
 674         struct rte_cryptodev *cryptodev;
 675
 676         char cryptodev_name[RTE_CRYPTODEV_NAME_MAX_LEN];
 677
 678         int retval;
 679
 680         cryptodrv = (struct rte_cryptodev_driver *)pci_drv;
 681         if (cryptodrv == NULL)
 682                 return -ENODEV;
 683
 684         rte_eal_pci_device_name(&pci_dev->addr, cryptodev_name,
 685                         sizeof(cryptodev_name));
 686
 687         cryptodev = rte_cryptodev_pmd_allocate(cryptodev_name, rte_socket_id());
 688         if (cryptodev == NULL)
 689                 return -ENOMEM;
 690
 691         if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
 692                 cryptodev->data->dev_private =
 693                                 rte_zmalloc_socket(
 694                                                 "cryptodev private structure",
 695                                                 cryptodrv->dev_private_size,
 696                                                 RTE_CACHE_LINE_SIZE,
 697                                                 rte_socket_id());
 698
 699                 if (cryptodev->data->dev_private == NULL)
 700                         rte_panic("Cannot allocate memzone for private "
 701                                         "device data");
 702         }
 703
 704         cryptodev->device = &pci_dev->device;
 705         cryptodev->driver = cryptodrv;
 706
 707         /* init user callbacks */
 708         TAILQ_INIT(&(cryptodev->link_intr_cbs));
 709
 710         /* Invoke PMD device initialization function */
 711         retval = (*cryptodrv->cryptodev_init)(cryptodrv, cryptodev);
 712         if (retval == 0)
 713                 return 0;
 714
 715         CDEV_LOG_ERR("driver %s: crypto_dev_init(vendor_id=0x%x device_id=0x%x)"
 716                         " failed", pci_drv->driver.name,
 717                         (unsigned) pci_dev->id.vendor_id,
 718                         (unsigned) pci_dev->id.device_id);
 719
 720         if (rte_eal_process_type() == RTE_PROC_PRIMARY)
 721                 rte_free(cryptodev->data->dev_private);
 722
 723         cryptodev->attached = RTE_CRYPTODEV_DETACHED;
 724         cryptodev_globals.nb_devs--;
 725
 726         return -ENXIO;
 727 }
 728
 729 int
 730 rte_cryptodev_pci_remove(struct rte_pci_device *pci_dev)
 731 {
 732         const struct rte_cryptodev_driver *cryptodrv;
 733         struct rte_cryptodev *cryptodev;
 734         char cryptodev_name[RTE_CRYPTODEV_NAME_MAX_LEN];
 735         int ret;
 736
 737         if (pci_dev == NULL)
 738                 return -EINVAL;
 739
 740         rte_eal_pci_device_name(&pci_dev->addr, cryptodev_name,
 741                         sizeof(cryptodev_name));
 742
 743         cryptodev = rte_cryptodev_pmd_get_named_dev(cryptodev_name);
 744         if (cryptodev == NULL)
 745                 return -ENODEV;
 746
 747         cryptodrv = (const struct rte_cryptodev_driver *)pci_dev->driver;
 748         if (cryptodrv == NULL)
 749                 return -ENODEV;
 750
 751         /* Invoke PMD device uninit function */
 752         if (*cryptodrv->cryptodev_uninit) {
 753                 ret = (*cryptodrv->cryptodev_uninit)(cryptodrv, cryptodev);
 754                 if (ret)
 755                         return ret;
 756         }
 757
 758         /* free crypto device */
 759         rte_cryptodev_pmd_release_device(cryptodev);
 760
 761         if (rte_eal_process_type() == RTE_PROC_PRIMARY)
 762                 rte_free(cryptodev->data->dev_private);
 763
 764         cryptodev->device = NULL;
 765         cryptodev->driver = NULL;
 766         cryptodev->data = NULL;
 767
 768         return 0;
 769 }
 770
 771 uint16_t
 772 rte_cryptodev_queue_pair_count(uint8_t dev_id)
 773 {
 774         struct rte_cryptodev *dev;
 775
 776         dev = &rte_crypto_devices[dev_id];
 777         return dev->data->nb_queue_pairs;
 778 }
 779
 780 static int
 781 rte_cryptodev_queue_pairs_config(struct rte_cryptodev *dev, uint16_t nb_qpairs,
 782                 int socket_id)
 783 {
 784         struct rte_cryptodev_info dev_info;
 785         void **qp;
 786         unsigned i;
 787
 788         if ((dev == NULL) || (nb_qpairs < 1)) {
 789                 CDEV_LOG_ERR("invalid param: dev %p, nb_queues %u",
 790                                                         dev, nb_qpairs);
 791                 return -EINVAL;
 792         }
 793
 794         CDEV_LOG_DEBUG("Setup %d queues pairs on device %u",
 795                         nb_qpairs, dev->data->dev_id);
 796
 797         memset(&dev_info, 0, sizeof(struct rte_cryptodev_info));
 798
 799         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_infos_get, -ENOTSUP);
 800         (*dev->dev_ops->dev_infos_get)(dev, &dev_info);
 801
 802         if (nb_qpairs > (dev_info.max_nb_queue_pairs)) {
 803                 CDEV_LOG_ERR("Invalid num queue_pairs (%u) for dev %u",
 804                                 nb_qpairs, dev->data->dev_id);
 805             return -EINVAL;
 806         }
 807
 808         if (dev->data->queue_pairs == NULL) { /* first time configuration */
 809                 dev->data->queue_pairs = rte_zmalloc_socket(
 810                                 "cryptodev->queue_pairs",
 811                                 sizeof(dev->data->queue_pairs[0]) * nb_qpairs,
 812                                 RTE_CACHE_LINE_SIZE, socket_id);
 813
 814                 if (dev->data->queue_pairs == NULL) {
 815                         dev->data->nb_queue_pairs = 0;
 816                         CDEV_LOG_ERR("failed to get memory for qp meta data, "
 817                                                         "nb_queues %u",
 818                                                         nb_qpairs);
 819                         return -(ENOMEM);
 820                 }
 821         } else { /* re-configure */
 822                 int ret;
 823                 uint16_t old_nb_queues = dev->data->nb_queue_pairs;
 824
 825                 qp = dev->data->queue_pairs;
 826
 827                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->queue_pair_release,
 828                                 -ENOTSUP);
 829
 830                 for (i = nb_qpairs; i < old_nb_queues; i++) {
 831                         ret = (*dev->dev_ops->queue_pair_release)(dev, i);
 832                         if (ret < 0)
 833                                 return ret;
 834                 }
 835
 836                 qp = rte_realloc(qp, sizeof(qp[0]) * nb_qpairs,
 837                                 RTE_CACHE_LINE_SIZE);
 838                 if (qp == NULL) {
 839                         CDEV_LOG_ERR("failed to realloc qp meta data,"
 840                                                 " nb_queues %u", nb_qpairs);
 841                         return -(ENOMEM);
 842                 }
 843
 844                 if (nb_qpairs > old_nb_queues) {
 845                         uint16_t new_qs = nb_qpairs - old_nb_queues;
 846
 847                         memset(qp + old_nb_queues, 0,
 848                                 sizeof(qp[0]) * new_qs);
 849                 }
 850
 851                 dev->data->queue_pairs = qp;
 852
 853         }
 854         dev->data->nb_queue_pairs = nb_qpairs;
 855         return 0;
 856 }
 857
 858 int
 859 rte_cryptodev_queue_pair_start(uint8_t dev_id, uint16_t queue_pair_id)
 860 {
 861         struct rte_cryptodev *dev;
 862
 863         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
 864                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
 865                 return -EINVAL;
 866         }
 867
 868         dev = &rte_crypto_devices[dev_id];
 869         if (queue_pair_id >= dev->data->nb_queue_pairs) {
 870                 CDEV_LOG_ERR("Invalid queue_pair_id=%d", queue_pair_id);
 871                 return -EINVAL;
 872         }
 873
 874         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->queue_pair_start, -ENOTSUP);
 875
 876         return dev->dev_ops->queue_pair_start(dev, queue_pair_id);
 877
 878 }
 879
 880 int
 881 rte_cryptodev_queue_pair_stop(uint8_t dev_id, uint16_t queue_pair_id)
 882 {
 883         struct rte_cryptodev *dev;
 884
 885         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
 886                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
 887                 return -EINVAL;
 888         }
 889
 890         dev = &rte_crypto_devices[dev_id];
 891         if (queue_pair_id >= dev->data->nb_queue_pairs) {
 892                 CDEV_LOG_ERR("Invalid queue_pair_id=%d", queue_pair_id);
 893                 return -EINVAL;
 894         }
 895
 896         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->queue_pair_stop, -ENOTSUP);
 897
 898         return dev->dev_ops->queue_pair_stop(dev, queue_pair_id);
 899
 900 }
 901
 902 static int
 903 rte_cryptodev_sym_session_pool_create(struct rte_cryptodev *dev,
 904                 unsigned nb_objs, unsigned obj_cache_size, int socket_id);
 905
 906 int
 907 rte_cryptodev_configure(uint8_t dev_id, struct rte_cryptodev_config *config)
 908 {
 909         struct rte_cryptodev *dev;
 910         int diag;
 911
 912         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
 913                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
 914                 return -EINVAL;
 915         }
 916
 917         dev = &rte_crypto_devices[dev_id];
 918
 919         if (dev->data->dev_started) {
 920                 CDEV_LOG_ERR(
 921                     "device %d must be stopped to allow configuration", dev_id);
 922                 return -EBUSY;
 923         }
 924
 925         /* Setup new number of queue pairs and reconfigure device. */
 926         diag = rte_cryptodev_queue_pairs_config(dev, config->nb_queue_pairs,
 927                         config->socket_id);
 928         if (diag != 0) {
 929                 CDEV_LOG_ERR("dev%d rte_crypto_dev_queue_pairs_config = %d",
 930                                 dev_id, diag);
 931                 return diag;
 932         }
 933
 934         /* Setup Session mempool for device */
 935         return rte_cryptodev_sym_session_pool_create(dev,
 936                         config->session_mp.nb_objs,
 937                         config->session_mp.cache_size,
 938                         config->socket_id);
 939 }
 940
 941
 942 int
 943 rte_cryptodev_start(uint8_t dev_id)
 944 {
 945         struct rte_cryptodev *dev;
 946         int diag;
 947
 948         CDEV_LOG_DEBUG("Start dev_id=%" PRIu8, dev_id);
 949
 950         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
 951                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
 952                 return -EINVAL;
 953         }
 954
 955         dev = &rte_crypto_devices[dev_id];
 956
 957         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_start, -ENOTSUP);
 958
 959         if (dev->data->dev_started != 0) {
 960                 CDEV_LOG_ERR("Device with dev_id=%" PRIu8 " already started",
 961                         dev_id);
 962                 return 0;
 963         }
 964
 965         diag = (*dev->dev_ops->dev_start)(dev);
 966         if (diag == 0)
 967                 dev->data->dev_started = 1;
 968         else
 969                 return diag;
 970
 971         return 0;
 972 }
 973
 974 void
 975 rte_cryptodev_stop(uint8_t dev_id)
 976 {
 977         struct rte_cryptodev *dev;
 978
 979         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
 980                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
 981                 return;
 982         }
 983
 984         dev = &rte_crypto_devices[dev_id];
 985
 986         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->dev_stop);
 987
 988         if (dev->data->dev_started == 0) {
 989                 CDEV_LOG_ERR("Device with dev_id=%" PRIu8 " already stopped",
 990                         dev_id);
 991                 return;
 992         }
 993
 994         dev->data->dev_started = 0;
 995         (*dev->dev_ops->dev_stop)(dev);
 996 }
 997
 998 int
 999 rte_cryptodev_close(uint8_t dev_id)
1000 {
1001         struct rte_cryptodev *dev;
1002         int retval;
1003
1004         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
1005                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
1006                 return -1;
1007         }
1008
1009         dev = &rte_crypto_devices[dev_id];
1010
1011         /* Device must be stopped before it can be closed */
1012         if (dev->data->dev_started == 1) {
1013                 CDEV_LOG_ERR("Device %u must be stopped before closing",
1014                                 dev_id);
1015                 return -EBUSY;
1016         }
1017
1018         /* We can't close the device if there are outstanding sessions in use */
1019         if (dev->data->session_pool != NULL) {
1020                 if (!rte_mempool_full(dev->data->session_pool)) {
1021                         CDEV_LOG_ERR("dev_id=%u close failed, session mempool "
1022                                         "has sessions still in use, free "
1023                                         "all sessions before calling close",
1024                                         (unsigned)dev_id);
1025                         return -EBUSY;
1026                 }
1027         }
1028
1029         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_close, -ENOTSUP);
1030         retval = (*dev->dev_ops->dev_close)(dev);
1031
1032         if (retval < 0)
1033                 return retval;
1034
1035         return 0;
1036 }
1037
1038 int
1039 rte_cryptodev_queue_pair_setup(uint8_t dev_id, uint16_t queue_pair_id,
1040                 const struct rte_cryptodev_qp_conf *qp_conf, int socket_id)
1041 {
1042         struct rte_cryptodev *dev;
1043
1044         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
1045                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
1046                 return -EINVAL;
1047         }
1048
1049         dev = &rte_crypto_devices[dev_id];
1050         if (queue_pair_id >= dev->data->nb_queue_pairs) {
1051                 CDEV_LOG_ERR("Invalid queue_pair_id=%d", queue_pair_id);
1052                 return -EINVAL;
1053         }
1054
1055         if (dev->data->dev_started) {
1056                 CDEV_LOG_ERR(
1057                     "device %d must be stopped to allow configuration", dev_id);
1058                 return -EBUSY;
1059         }
1060
1061         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->queue_pair_setup, -ENOTSUP);
1062
1063         return (*dev->dev_ops->queue_pair_setup)(dev, queue_pair_id, qp_conf,
1064                         socket_id);
1065 }
1066
1067
1068 int
1069 rte_cryptodev_stats_get(uint8_t dev_id, struct rte_cryptodev_stats *stats)
1070 {
1071         struct rte_cryptodev *dev;
1072
1073         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
1074                 CDEV_LOG_ERR("Invalid dev_id=%d", dev_id);
1075                 return -ENODEV;
1076         }
1077
1078         if (stats == NULL) {
1079                 CDEV_LOG_ERR("Invalid stats ptr");
1080                 return -EINVAL;
1081         }
1082
1083         dev = &rte_crypto_devices[dev_id];
1084         memset(stats, 0, sizeof(*stats));
1085
1086         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->stats_get, -ENOTSUP);
1087         (*dev->dev_ops->stats_get)(dev, stats);
1088         return 0;
1089 }
1090
1091 void
1092 rte_cryptodev_stats_reset(uint8_t dev_id)
1093 {
1094         struct rte_cryptodev *dev;
1095
1096         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
1097                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
1098                 return;
1099         }
1100
1101         dev = &rte_crypto_devices[dev_id];
1102
1103         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->stats_reset);
1104         (*dev->dev_ops->stats_reset)(dev);
1105 }
1106
1107
1108 void
1109 rte_cryptodev_info_get(uint8_t dev_id, struct rte_cryptodev_info *dev_info)
1110 {
1111         struct rte_cryptodev *dev;
1112
1113         if (dev_id >= cryptodev_globals.nb_devs) {
1114                 CDEV_LOG_ERR("Invalid dev_id=%d", dev_id);
1115                 return;
1116         }
1117
1118         dev = &rte_crypto_devices[dev_id];
1119
1120         memset(dev_info, 0, sizeof(struct rte_cryptodev_info));
1121
1122         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->dev_infos_get);
1123         (*dev->dev_ops->dev_infos_get)(dev, dev_info);
1124
1125         dev_info->pci_dev = RTE_DEV_TO_PCI(dev->device);
1126         if (dev->driver)
1127                 dev_info->driver_name = dev->driver->pci_drv.driver.name;
1128 }
1129
1130
1131 int
1132 rte_cryptodev_callback_register(uint8_t dev_id,
1133                         enum rte_cryptodev_event_type event,
1134                         rte_cryptodev_cb_fn cb_fn, void *cb_arg)
1135 {
1136         struct rte_cryptodev *dev;
1137         struct rte_cryptodev_callback *user_cb;
1138
1139         if (!cb_fn)
1140                 return -EINVAL;
1141
1142         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
1143                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
1144                 return -EINVAL;
1145         }
1146
1147         dev = &rte_crypto_devices[dev_id];
1148         rte_spinlock_lock(&rte_cryptodev_cb_lock);
1149
1150         TAILQ_FOREACH(user_cb, &(dev->link_intr_cbs), next) {
1151                 if (user_cb->cb_fn == cb_fn &&
1152                         user_cb->cb_arg == cb_arg &&
1153                         user_cb->event == event) {
1154                         break;
1155                 }
1156         }
1157
1158         /* create a new callback. */
1159         if (user_cb == NULL) {
1160                 user_cb = rte_zmalloc("INTR_USER_CALLBACK",
1161                                 sizeof(struct rte_cryptodev_callback), 0);
1162                 if (user_cb != NULL) {
1163                         user_cb->cb_fn = cb_fn;
1164                         user_cb->cb_arg = cb_arg;
1165                         user_cb->event = event;
1166                         TAILQ_INSERT_TAIL(&(dev->link_intr_cbs), user_cb, next);
1167                 }
1168         }
1169
1170         rte_spinlock_unlock(&rte_cryptodev_cb_lock);
1171         return (user_cb == NULL) ? -ENOMEM : 0;
1172 }
1173
1174 int
1175 rte_cryptodev_callback_unregister(uint8_t dev_id,
1176                         enum rte_cryptodev_event_type event,
1177                         rte_cryptodev_cb_fn cb_fn, void *cb_arg)
1178 {
1179         int ret;
1180         struct rte_cryptodev *dev;
1181         struct rte_cryptodev_callback *cb, *next;
1182
1183         if (!cb_fn)
1184                 return -EINVAL;
1185
1186         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
1187                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
1188                 return -EINVAL;
1189         }
1190
1191         dev = &rte_crypto_devices[dev_id];
1192         rte_spinlock_lock(&rte_cryptodev_cb_lock);
1193
1194         ret = 0;
1195         for (cb = TAILQ_FIRST(&dev->link_intr_cbs); cb != NULL; cb = next) {
1196
1197                 next = TAILQ_NEXT(cb, next);
1198
1199                 if (cb->cb_fn != cb_fn || cb->event != event ||
1200                                 (cb->cb_arg != (void *)-1 &&
1201                                 cb->cb_arg != cb_arg))
1202                         continue;
1203
1204                 /*
1205                  * if this callback is not executing right now,
1206                  * then remove it.
1207                  */
1208                 if (cb->active == 0) {
1209                         TAILQ_REMOVE(&(dev->link_intr_cbs), cb, next);
1210                         rte_free(cb);
1211                 } else {
1212                         ret = -EAGAIN;
1213                 }
1214         }
1215
1216         rte_spinlock_unlock(&rte_cryptodev_cb_lock);
1217         return ret;
1218 }
1219
1220 void
1221 rte_cryptodev_pmd_callback_process(struct rte_cryptodev *dev,
1222         enum rte_cryptodev_event_type event)
1223 {
1224         struct rte_cryptodev_callback *cb_lst;
1225         struct rte_cryptodev_callback dev_cb;
1226
1227         rte_spinlock_lock(&rte_cryptodev_cb_lock);
1228         TAILQ_FOREACH(cb_lst, &(dev->link_intr_cbs), next) {
1229                 if (cb_lst->cb_fn == NULL || cb_lst->event != event)
1230                         continue;
1231                 dev_cb = *cb_lst;
1232                 cb_lst->active = 1;
1233                 rte_spinlock_unlock(&rte_cryptodev_cb_lock);
1234                 dev_cb.cb_fn(dev->data->dev_id, dev_cb.event,
1235                                                 dev_cb.cb_arg);
1236                 rte_spinlock_lock(&rte_cryptodev_cb_lock);
1237                 cb_lst->active = 0;
1238         }
1239         rte_spinlock_unlock(&rte_cryptodev_cb_lock);
1240 }
1241
1242
1243 static void
1244 rte_cryptodev_sym_session_init(struct rte_mempool *mp,
1245                 void *opaque_arg,
1246                 void *_sess,
1247                 __rte_unused unsigned i)
1248 {
1249         struct rte_cryptodev_sym_session *sess = _sess;
1250         struct rte_cryptodev *dev = opaque_arg;
1251
1252         memset(sess, 0, mp->elt_size);
1253
1254         sess->dev_id = dev->data->dev_id;
1255         sess->dev_type = dev->dev_type;
1256         sess->mp = mp;
1257
1258         if (dev->dev_ops->session_initialize)
1259                 (*dev->dev_ops->session_initialize)(mp, sess);
1260 }
1261
1262 static int
1263 rte_cryptodev_sym_session_pool_create(struct rte_cryptodev *dev,
1264                 unsigned nb_objs, unsigned obj_cache_size, int socket_id)
1265 {
1266         char mp_name[RTE_CRYPTODEV_NAME_MAX_LEN];
1267         unsigned priv_sess_size;
1268
1269         unsigned n = snprintf(mp_name, sizeof(mp_name), "cdev_%d_sess_mp",
1270                         dev->data->dev_id);
1271         if (n > sizeof(mp_name)) {
1272                 CDEV_LOG_ERR("Unable to create unique name for session mempool");
1273                 return -ENOMEM;
1274         }
1275
1276         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->session_get_size, -ENOTSUP);
1277         priv_sess_size = (*dev->dev_ops->session_get_size)(dev);
1278         if (priv_sess_size == 0) {
1279                 CDEV_LOG_ERR("%s returned and invalid private session size ",
1280                                                 dev->data->name);
1281                 return -ENOMEM;
1282         }
1283
1284         unsigned elt_size = sizeof(struct rte_cryptodev_sym_session) +
1285                         priv_sess_size;
1286
1287         dev->data->session_pool = rte_mempool_lookup(mp_name);
1288         if (dev->data->session_pool != NULL) {
1289                 if ((dev->data->session_pool->elt_size != elt_size) ||
1290                                 (dev->data->session_pool->cache_size <
1291                                 obj_cache_size) ||
1292                                 (dev->data->session_pool->size < nb_objs)) {
1293
1294                         CDEV_LOG_ERR("%s mempool already exists with different"
1295                                         " initialization parameters", mp_name);
1296                         dev->data->session_pool = NULL;
1297                         return -ENOMEM;
1298                 }
1299         } else {
1300                 dev->data->session_pool = rte_mempool_create(
1301                                 mp_name, /* mempool name */
1302                                 nb_objs, /* number of elements*/
1303                                 elt_size, /* element size*/
1304                                 obj_cache_size, /* Cache size*/
1305                                 0, /* private data size */
1306                                 NULL, /* obj initialization constructor */
1307                                 NULL, /* obj initialization constructor arg */
1308                                 rte_cryptodev_sym_session_init,
1309                                 /**< obj constructor*/
1310                                 dev, /* obj constructor arg */
1311                                 socket_id, /* socket id */
1312                                 0); /* flags */
1313
1314                 if (dev->data->session_pool == NULL) {
1315                         CDEV_LOG_ERR("%s mempool allocation failed", mp_name);
1316                         return -ENOMEM;
1317                 }
1318         }
1319
1320         CDEV_LOG_DEBUG("%s mempool created!", mp_name);
1321         return 0;
1322 }
1323
1324 struct rte_cryptodev_sym_session *
1325 rte_cryptodev_sym_session_create(uint8_t dev_id,
1326                 struct rte_crypto_sym_xform *xform)
1327 {
1328         struct rte_cryptodev *dev;
1329         struct rte_cryptodev_sym_session *sess;
1330         void *_sess;
1331
1332         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
1333                 CDEV_LOG_ERR("Invalid dev_id=%d", dev_id);
1334                 return NULL;
1335         }
1336
1337         dev = &rte_crypto_devices[dev_id];
1338
1339         /* Allocate a session structure from the session pool */
1340         if (rte_mempool_get(dev->data->session_pool, &_sess)) {
1341                 CDEV_LOG_ERR("Couldn't get object from session mempool");
1342                 return NULL;
1343         }
1344
1345         sess = (struct rte_cryptodev_sym_session *)_sess;
1346
1347         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->session_configure, NULL);
1348         if (dev->dev_ops->session_configure(dev, xform, sess->_private) ==
1349                         NULL) {
1350                 CDEV_LOG_ERR("dev_id %d failed to configure session details",
1351                                 dev_id);
1352
1353                 /* Return session to mempool */
1354                 rte_mempool_put(sess->mp, _sess);
1355                 return NULL;
1356         }
1357
1358         return sess;
1359 }
1360
1361 struct rte_cryptodev_sym_session *
1362 rte_cryptodev_sym_session_free(uint8_t dev_id,
1363                 struct rte_cryptodev_sym_session *sess)
1364 {
1365         struct rte_cryptodev *dev;
1366
1367         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
1368                 CDEV_LOG_ERR("Invalid dev_id=%d", dev_id);
1369                 return sess;
1370         }
1371
1372         dev = &rte_crypto_devices[dev_id];
1373
1374         /* Check the session belongs to this device type */
1375         if (sess->dev_type != dev->dev_type)
1376                 return sess;
1377
1378         /* Let device implementation clear session material */
1379         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->session_clear, sess);
1380         dev->dev_ops->session_clear(dev, (void *)sess->_private);
1381
1382         /* Return session to mempool */
1383         rte_mempool_put(sess->mp, (void *)sess);
1384
1385         return NULL;
1386 }
1387
1388 /** Initialise rte_crypto_op mempool element */
1389 static void
1390 rte_crypto_op_init(struct rte_mempool *mempool,
1391                 void *opaque_arg,
1392                 void *_op_data,
1393                 __rte_unused unsigned i)
1394 {
1395         struct rte_crypto_op *op = _op_data;
1396         enum rte_crypto_op_type type = *(enum rte_crypto_op_type *)opaque_arg;
1397
1398         memset(_op_data, 0, mempool->elt_size);
1399
1400         __rte_crypto_op_reset(op, type);
1401
1402         op->phys_addr = rte_mem_virt2phy(_op_data);
1403         op->mempool = mempool;
1404 }
1405
1406
1407 struct rte_mempool *
1408 rte_crypto_op_pool_create(const char *name, enum rte_crypto_op_type type,
1409                 unsigned nb_elts, unsigned cache_size, uint16_t priv_size,
1410                 int socket_id)
1411 {
1412         struct rte_crypto_op_pool_private *priv;
1413
1414         unsigned elt_size = sizeof(struct rte_crypto_op) +
1415                         sizeof(struct rte_crypto_sym_op) +
1416                         priv_size;
1417
1418         /* lookup mempool in case already allocated */
1419         struct rte_mempool *mp = rte_mempool_lookup(name);
1420
1421         if (mp != NULL) {
1422                 priv = (struct rte_crypto_op_pool_private *)
1423                                 rte_mempool_get_priv(mp);
1424
1425                 if (mp->elt_size != elt_size ||
1426                                 mp->cache_size < cache_size ||
1427                                 mp->size < nb_elts ||
1428                                 priv->priv_size <  priv_size) {
1429                         mp = NULL;
1430                         CDEV_LOG_ERR("Mempool %s already exists but with "
1431                                         "incompatible parameters", name);
1432                         return NULL;
1433                 }
1434                 return mp;
1435         }
1436
1437         mp = rte_mempool_create(
1438                         name,
1439                         nb_elts,
1440                         elt_size,
1441                         cache_size,
1442                         sizeof(struct rte_crypto_op_pool_private),
1443                         NULL,
1444                         NULL,
1445                         rte_crypto_op_init,
1446                         &type,
1447                         socket_id,
1448                         0);
1449
1450         if (mp == NULL) {
1451                 CDEV_LOG_ERR("Failed to create mempool %s", name);
1452                 return NULL;
1453         }
1454
1455         priv = (struct rte_crypto_op_pool_private *)
1456                         rte_mempool_get_priv(mp);
1457
1458         priv->priv_size = priv_size;
1459         priv->type = type;
1460
1461         return mp;
1462 }
1463
1464 int
1465 rte_cryptodev_pmd_create_dev_name(char *name, const char *dev_name_prefix)
1466 {
1467         struct rte_cryptodev *dev = NULL;
1468         uint32_t i = 0;
1469
1470         if (name == NULL)
1471                 return -EINVAL;
1472
1473         for (i = 0; i < RTE_CRYPTO_MAX_DEVS; i++) {
1474                 int ret = snprintf(name, RTE_CRYPTODEV_NAME_MAX_LEN,
1475                                 "%s_%u", dev_name_prefix, i);
1476
1477                 if (ret < 0)
1478                         return ret;
1479
1480                 dev = rte_cryptodev_pmd_get_named_dev(name);
1481                 if (!dev)
1482                         return 0;
1483         }
1484
1485         return -1;
1486 }