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 uint8_t
 486 rte_cryptodev_devices_get(const char *dev_name, uint8_t *devices,
 487         uint8_t nb_devices)
 488 {
 489         uint8_t i, count = 0;
 490         struct rte_cryptodev *devs = rte_cryptodev_globals->devs;
 491         uint8_t max_devs = rte_cryptodev_globals->max_devs;
 492
 493         for (i = 0; i < max_devs && count < nb_devices; i++) {
 494
 495                 if (devs[i].attached == RTE_CRYPTODEV_ATTACHED) {
 496                         const struct rte_cryptodev_driver *drv = devs[i].driver;
 497                         int cmp;
 498
 499                         if (drv)
 500                                 cmp = strncmp(drv->pci_drv.driver.name,
 501                                                 dev_name, strlen(dev_name));
 502                         else
 503                                 cmp = strncmp(devs[i].data->name,
 504                                                 dev_name, strlen(dev_name));
 505
 506                         if (cmp == 0)
 507                                 devices[count++] = devs[i].data->dev_id;
 508                 }
 509         }
 510
 511         return count;
 512 }
 513
 514 int
 515 rte_cryptodev_socket_id(uint8_t dev_id)
 516 {
 517         struct rte_cryptodev *dev;
 518
 519         if (!rte_cryptodev_pmd_is_valid_dev(dev_id))
 520                 return -1;
 521
 522         dev = rte_cryptodev_pmd_get_dev(dev_id);
 523
 524         return dev->data->socket_id;
 525 }
 526
 527 static inline int
 528 rte_cryptodev_data_alloc(uint8_t dev_id, struct rte_cryptodev_data **data,
 529                 int socket_id)
 530 {
 531         char mz_name[RTE_CRYPTODEV_NAME_MAX_LEN];
 532         const struct rte_memzone *mz;
 533         int n;
 534
 535         /* generate memzone name */
 536         n = snprintf(mz_name, sizeof(mz_name), "rte_cryptodev_data_%u", dev_id);
 537         if (n >= (int)sizeof(mz_name))
 538                 return -EINVAL;
 539
 540         if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
 541                 mz = rte_memzone_reserve(mz_name,
 542                                 sizeof(struct rte_cryptodev_data),
 543                                 socket_id, 0);
 544         } else
 545                 mz = rte_memzone_lookup(mz_name);
 546
 547         if (mz == NULL)
 548                 return -ENOMEM;
 549
 550         *data = mz->addr;
 551         if (rte_eal_process_type() == RTE_PROC_PRIMARY)
 552                 memset(*data, 0, sizeof(struct rte_cryptodev_data));
 553
 554         return 0;
 555 }
 556
 557 static uint8_t
 558 rte_cryptodev_find_free_device_index(void)
 559 {
 560         uint8_t dev_id;
 561
 562         for (dev_id = 0; dev_id < RTE_CRYPTO_MAX_DEVS; dev_id++) {
 563                 if (rte_crypto_devices[dev_id].attached ==
 564                                 RTE_CRYPTODEV_DETACHED)
 565                         return dev_id;
 566         }
 567         return RTE_CRYPTO_MAX_DEVS;
 568 }
 569
 570 struct rte_cryptodev *
 571 rte_cryptodev_pmd_allocate(const char *name, int socket_id)
 572 {
 573         struct rte_cryptodev *cryptodev;
 574         uint8_t dev_id;
 575
 576         if (rte_cryptodev_pmd_get_named_dev(name) != NULL) {
 577                 CDEV_LOG_ERR("Crypto device with name %s already "
 578                                 "allocated!", name);
 579                 return NULL;
 580         }
 581
 582         dev_id = rte_cryptodev_find_free_device_index();
 583         if (dev_id == RTE_CRYPTO_MAX_DEVS) {
 584                 CDEV_LOG_ERR("Reached maximum number of crypto devices");
 585                 return NULL;
 586         }
 587
 588         cryptodev = rte_cryptodev_pmd_get_dev(dev_id);
 589
 590         if (cryptodev->data == NULL) {
 591                 struct rte_cryptodev_data *cryptodev_data =
 592                                 cryptodev_globals.data[dev_id];
 593
 594                 int retval = rte_cryptodev_data_alloc(dev_id, &cryptodev_data,
 595                                 socket_id);
 596
 597                 if (retval < 0 || cryptodev_data == NULL)
 598                         return NULL;
 599
 600                 cryptodev->data = cryptodev_data;
 601
 602                 snprintf(cryptodev->data->name, RTE_CRYPTODEV_NAME_MAX_LEN,
 603                                 "%s", name);
 604
 605                 cryptodev->data->dev_id = dev_id;
 606                 cryptodev->data->socket_id = socket_id;
 607                 cryptodev->data->dev_started = 0;
 608
 609                 cryptodev->attached = RTE_CRYPTODEV_ATTACHED;
 610
 611                 cryptodev_globals.nb_devs++;
 612         }
 613
 614         return cryptodev;
 615 }
 616
 617 int
 618 rte_cryptodev_pmd_release_device(struct rte_cryptodev *cryptodev)
 619 {
 620         int ret;
 621
 622         if (cryptodev == NULL)
 623                 return -EINVAL;
 624
 625         ret = rte_cryptodev_close(cryptodev->data->dev_id);
 626         if (ret < 0)
 627                 return ret;
 628
 629         cryptodev->attached = RTE_CRYPTODEV_DETACHED;
 630         cryptodev_globals.nb_devs--;
 631         return 0;
 632 }
 633
 634 struct rte_cryptodev *
 635 rte_cryptodev_pmd_virtual_dev_init(const char *name, size_t dev_private_size,
 636                 int socket_id)
 637 {
 638         struct rte_cryptodev *cryptodev;
 639
 640         /* allocate device structure */
 641         cryptodev = rte_cryptodev_pmd_allocate(name, socket_id);
 642         if (cryptodev == NULL)
 643                 return NULL;
 644
 645         /* allocate private device structure */
 646         if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
 647                 cryptodev->data->dev_private =
 648                                 rte_zmalloc_socket("cryptodev device private",
 649                                                 dev_private_size,
 650                                                 RTE_CACHE_LINE_SIZE,
 651                                                 socket_id);
 652
 653                 if (cryptodev->data->dev_private == NULL)
 654                         rte_panic("Cannot allocate memzone for private device"
 655                                         " data");
 656         }
 657
 658         /* initialise user call-back tail queue */
 659         TAILQ_INIT(&(cryptodev->link_intr_cbs));
 660
 661         return cryptodev;
 662 }
 663
 664 int
 665 rte_cryptodev_pci_probe(struct rte_pci_driver *pci_drv,
 666                         struct rte_pci_device *pci_dev)
 667 {
 668         struct rte_cryptodev_driver *cryptodrv;
 669         struct rte_cryptodev *cryptodev;
 670
 671         char cryptodev_name[RTE_CRYPTODEV_NAME_MAX_LEN];
 672
 673         int retval;
 674
 675         cryptodrv = (struct rte_cryptodev_driver *)pci_drv;
 676         if (cryptodrv == NULL)
 677                 return -ENODEV;
 678
 679         rte_eal_pci_device_name(&pci_dev->addr, cryptodev_name,
 680                         sizeof(cryptodev_name));
 681
 682         cryptodev = rte_cryptodev_pmd_allocate(cryptodev_name, rte_socket_id());
 683         if (cryptodev == NULL)
 684                 return -ENOMEM;
 685
 686         if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
 687                 cryptodev->data->dev_private =
 688                                 rte_zmalloc_socket(
 689                                                 "cryptodev private structure",
 690                                                 cryptodrv->dev_private_size,
 691                                                 RTE_CACHE_LINE_SIZE,
 692                                                 rte_socket_id());
 693
 694                 if (cryptodev->data->dev_private == NULL)
 695                         rte_panic("Cannot allocate memzone for private "
 696                                         "device data");
 697         }
 698
 699         cryptodev->device = &pci_dev->device;
 700         cryptodev->driver = cryptodrv;
 701
 702         /* init user callbacks */
 703         TAILQ_INIT(&(cryptodev->link_intr_cbs));
 704
 705         /* Invoke PMD device initialization function */
 706         retval = (*cryptodrv->cryptodev_init)(cryptodrv, cryptodev);
 707         if (retval == 0)
 708                 return 0;
 709
 710         CDEV_LOG_ERR("driver %s: crypto_dev_init(vendor_id=0x%x device_id=0x%x)"
 711                         " failed", pci_drv->driver.name,
 712                         (unsigned) pci_dev->id.vendor_id,
 713                         (unsigned) pci_dev->id.device_id);
 714
 715         if (rte_eal_process_type() == RTE_PROC_PRIMARY)
 716                 rte_free(cryptodev->data->dev_private);
 717
 718         cryptodev->attached = RTE_CRYPTODEV_DETACHED;
 719         cryptodev_globals.nb_devs--;
 720
 721         return -ENXIO;
 722 }
 723
 724 int
 725 rte_cryptodev_pci_remove(struct rte_pci_device *pci_dev)
 726 {
 727         const struct rte_cryptodev_driver *cryptodrv;
 728         struct rte_cryptodev *cryptodev;
 729         char cryptodev_name[RTE_CRYPTODEV_NAME_MAX_LEN];
 730         int ret;
 731
 732         if (pci_dev == NULL)
 733                 return -EINVAL;
 734
 735         rte_eal_pci_device_name(&pci_dev->addr, cryptodev_name,
 736                         sizeof(cryptodev_name));
 737
 738         cryptodev = rte_cryptodev_pmd_get_named_dev(cryptodev_name);
 739         if (cryptodev == NULL)
 740                 return -ENODEV;
 741
 742         cryptodrv = (const struct rte_cryptodev_driver *)pci_dev->driver;
 743         if (cryptodrv == NULL)
 744                 return -ENODEV;
 745
 746         /* Invoke PMD device uninit function */
 747         if (*cryptodrv->cryptodev_uninit) {
 748                 ret = (*cryptodrv->cryptodev_uninit)(cryptodrv, cryptodev);
 749                 if (ret)
 750                         return ret;
 751         }
 752
 753         /* free crypto device */
 754         rte_cryptodev_pmd_release_device(cryptodev);
 755
 756         if (rte_eal_process_type() == RTE_PROC_PRIMARY)
 757                 rte_free(cryptodev->data->dev_private);
 758
 759         cryptodev->device = NULL;
 760         cryptodev->driver = NULL;
 761         cryptodev->data = NULL;
 762
 763         return 0;
 764 }
 765
 766 uint16_t
 767 rte_cryptodev_queue_pair_count(uint8_t dev_id)
 768 {
 769         struct rte_cryptodev *dev;
 770
 771         dev = &rte_crypto_devices[dev_id];
 772         return dev->data->nb_queue_pairs;
 773 }
 774
 775 static int
 776 rte_cryptodev_queue_pairs_config(struct rte_cryptodev *dev, uint16_t nb_qpairs,
 777                 int socket_id)
 778 {
 779         struct rte_cryptodev_info dev_info;
 780         void **qp;
 781         unsigned i;
 782
 783         if ((dev == NULL) || (nb_qpairs < 1)) {
 784                 CDEV_LOG_ERR("invalid param: dev %p, nb_queues %u",
 785                                                         dev, nb_qpairs);
 786                 return -EINVAL;
 787         }
 788
 789         CDEV_LOG_DEBUG("Setup %d queues pairs on device %u",
 790                         nb_qpairs, dev->data->dev_id);
 791
 792         memset(&dev_info, 0, sizeof(struct rte_cryptodev_info));
 793
 794         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_infos_get, -ENOTSUP);
 795         (*dev->dev_ops->dev_infos_get)(dev, &dev_info);
 796
 797         if (nb_qpairs > (dev_info.max_nb_queue_pairs)) {
 798                 CDEV_LOG_ERR("Invalid num queue_pairs (%u) for dev %u",
 799                                 nb_qpairs, dev->data->dev_id);
 800             return -EINVAL;
 801         }
 802
 803         if (dev->data->queue_pairs == NULL) { /* first time configuration */
 804                 dev->data->queue_pairs = rte_zmalloc_socket(
 805                                 "cryptodev->queue_pairs",
 806                                 sizeof(dev->data->queue_pairs[0]) * nb_qpairs,
 807                                 RTE_CACHE_LINE_SIZE, socket_id);
 808
 809                 if (dev->data->queue_pairs == NULL) {
 810                         dev->data->nb_queue_pairs = 0;
 811                         CDEV_LOG_ERR("failed to get memory for qp meta data, "
 812                                                         "nb_queues %u",
 813                                                         nb_qpairs);
 814                         return -(ENOMEM);
 815                 }
 816         } else { /* re-configure */
 817                 int ret;
 818                 uint16_t old_nb_queues = dev->data->nb_queue_pairs;
 819
 820                 qp = dev->data->queue_pairs;
 821
 822                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->queue_pair_release,
 823                                 -ENOTSUP);
 824
 825                 for (i = nb_qpairs; i < old_nb_queues; i++) {
 826                         ret = (*dev->dev_ops->queue_pair_release)(dev, i);
 827                         if (ret < 0)
 828                                 return ret;
 829                 }
 830
 831                 qp = rte_realloc(qp, sizeof(qp[0]) * nb_qpairs,
 832                                 RTE_CACHE_LINE_SIZE);
 833                 if (qp == NULL) {
 834                         CDEV_LOG_ERR("failed to realloc qp meta data,"
 835                                                 " nb_queues %u", nb_qpairs);
 836                         return -(ENOMEM);
 837                 }
 838
 839                 if (nb_qpairs > old_nb_queues) {
 840                         uint16_t new_qs = nb_qpairs - old_nb_queues;
 841
 842                         memset(qp + old_nb_queues, 0,
 843                                 sizeof(qp[0]) * new_qs);
 844                 }
 845
 846                 dev->data->queue_pairs = qp;
 847
 848         }
 849         dev->data->nb_queue_pairs = nb_qpairs;
 850         return 0;
 851 }
 852
 853 int
 854 rte_cryptodev_queue_pair_start(uint8_t dev_id, uint16_t queue_pair_id)
 855 {
 856         struct rte_cryptodev *dev;
 857
 858         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
 859                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
 860                 return -EINVAL;
 861         }
 862
 863         dev = &rte_crypto_devices[dev_id];
 864         if (queue_pair_id >= dev->data->nb_queue_pairs) {
 865                 CDEV_LOG_ERR("Invalid queue_pair_id=%d", queue_pair_id);
 866                 return -EINVAL;
 867         }
 868
 869         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->queue_pair_start, -ENOTSUP);
 870
 871         return dev->dev_ops->queue_pair_start(dev, queue_pair_id);
 872
 873 }
 874
 875 int
 876 rte_cryptodev_queue_pair_stop(uint8_t dev_id, uint16_t queue_pair_id)
 877 {
 878         struct rte_cryptodev *dev;
 879
 880         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
 881                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
 882                 return -EINVAL;
 883         }
 884
 885         dev = &rte_crypto_devices[dev_id];
 886         if (queue_pair_id >= dev->data->nb_queue_pairs) {
 887                 CDEV_LOG_ERR("Invalid queue_pair_id=%d", queue_pair_id);
 888                 return -EINVAL;
 889         }
 890
 891         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->queue_pair_stop, -ENOTSUP);
 892
 893         return dev->dev_ops->queue_pair_stop(dev, queue_pair_id);
 894
 895 }
 896
 897 static int
 898 rte_cryptodev_sym_session_pool_create(struct rte_cryptodev *dev,
 899                 unsigned nb_objs, unsigned obj_cache_size, int socket_id);
 900
 901 int
 902 rte_cryptodev_configure(uint8_t dev_id, struct rte_cryptodev_config *config)
 903 {
 904         struct rte_cryptodev *dev;
 905         int diag;
 906
 907         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
 908                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
 909                 return -EINVAL;
 910         }
 911
 912         dev = &rte_crypto_devices[dev_id];
 913
 914         if (dev->data->dev_started) {
 915                 CDEV_LOG_ERR(
 916                     "device %d must be stopped to allow configuration", dev_id);
 917                 return -EBUSY;
 918         }
 919
 920         /* Setup new number of queue pairs and reconfigure device. */
 921         diag = rte_cryptodev_queue_pairs_config(dev, config->nb_queue_pairs,
 922                         config->socket_id);
 923         if (diag != 0) {
 924                 CDEV_LOG_ERR("dev%d rte_crypto_dev_queue_pairs_config = %d",
 925                                 dev_id, diag);
 926                 return diag;
 927         }
 928
 929         /* Setup Session mempool for device */
 930         return rte_cryptodev_sym_session_pool_create(dev,
 931                         config->session_mp.nb_objs,
 932                         config->session_mp.cache_size,
 933                         config->socket_id);
 934 }
 935
 936
 937 int
 938 rte_cryptodev_start(uint8_t dev_id)
 939 {
 940         struct rte_cryptodev *dev;
 941         int diag;
 942
 943         CDEV_LOG_DEBUG("Start dev_id=%" PRIu8, dev_id);
 944
 945         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
 946                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
 947                 return -EINVAL;
 948         }
 949
 950         dev = &rte_crypto_devices[dev_id];
 951
 952         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_start, -ENOTSUP);
 953
 954         if (dev->data->dev_started != 0) {
 955                 CDEV_LOG_ERR("Device with dev_id=%" PRIu8 " already started",
 956                         dev_id);
 957                 return 0;
 958         }
 959
 960         diag = (*dev->dev_ops->dev_start)(dev);
 961         if (diag == 0)
 962                 dev->data->dev_started = 1;
 963         else
 964                 return diag;
 965
 966         return 0;
 967 }
 968
 969 void
 970 rte_cryptodev_stop(uint8_t dev_id)
 971 {
 972         struct rte_cryptodev *dev;
 973
 974         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
 975                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
 976                 return;
 977         }
 978
 979         dev = &rte_crypto_devices[dev_id];
 980
 981         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->dev_stop);
 982
 983         if (dev->data->dev_started == 0) {
 984                 CDEV_LOG_ERR("Device with dev_id=%" PRIu8 " already stopped",
 985                         dev_id);
 986                 return;
 987         }
 988
 989         dev->data->dev_started = 0;
 990         (*dev->dev_ops->dev_stop)(dev);
 991 }
 992
 993 int
 994 rte_cryptodev_close(uint8_t dev_id)
 995 {
 996         struct rte_cryptodev *dev;
 997         int retval;
 998
 999         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
1000                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
1001                 return -1;
1002         }
1003
1004         dev = &rte_crypto_devices[dev_id];
1005
1006         /* Device must be stopped before it can be closed */
1007         if (dev->data->dev_started == 1) {
1008                 CDEV_LOG_ERR("Device %u must be stopped before closing",
1009                                 dev_id);
1010                 return -EBUSY;
1011         }
1012
1013         /* We can't close the device if there are outstanding sessions in use */
1014         if (dev->data->session_pool != NULL) {
1015                 if (!rte_mempool_full(dev->data->session_pool)) {
1016                         CDEV_LOG_ERR("dev_id=%u close failed, session mempool "
1017                                         "has sessions still in use, free "
1018                                         "all sessions before calling close",
1019                                         (unsigned)dev_id);
1020                         return -EBUSY;
1021                 }
1022         }
1023
1024         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_close, -ENOTSUP);
1025         retval = (*dev->dev_ops->dev_close)(dev);
1026
1027         if (retval < 0)
1028                 return retval;
1029
1030         return 0;
1031 }
1032
1033 int
1034 rte_cryptodev_queue_pair_setup(uint8_t dev_id, uint16_t queue_pair_id,
1035                 const struct rte_cryptodev_qp_conf *qp_conf, int socket_id)
1036 {
1037         struct rte_cryptodev *dev;
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         if (queue_pair_id >= dev->data->nb_queue_pairs) {
1046                 CDEV_LOG_ERR("Invalid queue_pair_id=%d", queue_pair_id);
1047                 return -EINVAL;
1048         }
1049
1050         if (dev->data->dev_started) {
1051                 CDEV_LOG_ERR(
1052                     "device %d must be stopped to allow configuration", dev_id);
1053                 return -EBUSY;
1054         }
1055
1056         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->queue_pair_setup, -ENOTSUP);
1057
1058         return (*dev->dev_ops->queue_pair_setup)(dev, queue_pair_id, qp_conf,
1059                         socket_id);
1060 }
1061
1062
1063 int
1064 rte_cryptodev_stats_get(uint8_t dev_id, struct rte_cryptodev_stats *stats)
1065 {
1066         struct rte_cryptodev *dev;
1067
1068         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
1069                 CDEV_LOG_ERR("Invalid dev_id=%d", dev_id);
1070                 return -ENODEV;
1071         }
1072
1073         if (stats == NULL) {
1074                 CDEV_LOG_ERR("Invalid stats ptr");
1075                 return -EINVAL;
1076         }
1077
1078         dev = &rte_crypto_devices[dev_id];
1079         memset(stats, 0, sizeof(*stats));
1080
1081         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->stats_get, -ENOTSUP);
1082         (*dev->dev_ops->stats_get)(dev, stats);
1083         return 0;
1084 }
1085
1086 void
1087 rte_cryptodev_stats_reset(uint8_t dev_id)
1088 {
1089         struct rte_cryptodev *dev;
1090
1091         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
1092                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
1093                 return;
1094         }
1095
1096         dev = &rte_crypto_devices[dev_id];
1097
1098         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->stats_reset);
1099         (*dev->dev_ops->stats_reset)(dev);
1100 }
1101
1102
1103 void
1104 rte_cryptodev_info_get(uint8_t dev_id, struct rte_cryptodev_info *dev_info)
1105 {
1106         struct rte_cryptodev *dev;
1107
1108         if (dev_id >= cryptodev_globals.nb_devs) {
1109                 CDEV_LOG_ERR("Invalid dev_id=%d", dev_id);
1110                 return;
1111         }
1112
1113         dev = &rte_crypto_devices[dev_id];
1114
1115         memset(dev_info, 0, sizeof(struct rte_cryptodev_info));
1116
1117         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->dev_infos_get);
1118         (*dev->dev_ops->dev_infos_get)(dev, dev_info);
1119
1120         dev_info->pci_dev = RTE_DEV_TO_PCI(dev->device);
1121         if (dev->driver)
1122                 dev_info->driver_name = dev->driver->pci_drv.driver.name;
1123 }
1124
1125
1126 int
1127 rte_cryptodev_callback_register(uint8_t dev_id,
1128                         enum rte_cryptodev_event_type event,
1129                         rte_cryptodev_cb_fn cb_fn, void *cb_arg)
1130 {
1131         struct rte_cryptodev *dev;
1132         struct rte_cryptodev_callback *user_cb;
1133
1134         if (!cb_fn)
1135                 return -EINVAL;
1136
1137         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
1138                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
1139                 return -EINVAL;
1140         }
1141
1142         dev = &rte_crypto_devices[dev_id];
1143         rte_spinlock_lock(&rte_cryptodev_cb_lock);
1144
1145         TAILQ_FOREACH(user_cb, &(dev->link_intr_cbs), next) {
1146                 if (user_cb->cb_fn == cb_fn &&
1147                         user_cb->cb_arg == cb_arg &&
1148                         user_cb->event == event) {
1149                         break;
1150                 }
1151         }
1152
1153         /* create a new callback. */
1154         if (user_cb == NULL) {
1155                 user_cb = rte_zmalloc("INTR_USER_CALLBACK",
1156                                 sizeof(struct rte_cryptodev_callback), 0);
1157                 if (user_cb != NULL) {
1158                         user_cb->cb_fn = cb_fn;
1159                         user_cb->cb_arg = cb_arg;
1160                         user_cb->event = event;
1161                         TAILQ_INSERT_TAIL(&(dev->link_intr_cbs), user_cb, next);
1162                 }
1163         }
1164
1165         rte_spinlock_unlock(&rte_cryptodev_cb_lock);
1166         return (user_cb == NULL) ? -ENOMEM : 0;
1167 }
1168
1169 int
1170 rte_cryptodev_callback_unregister(uint8_t dev_id,
1171                         enum rte_cryptodev_event_type event,
1172                         rte_cryptodev_cb_fn cb_fn, void *cb_arg)
1173 {
1174         int ret;
1175         struct rte_cryptodev *dev;
1176         struct rte_cryptodev_callback *cb, *next;
1177
1178         if (!cb_fn)
1179                 return -EINVAL;
1180
1181         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
1182                 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
1183                 return -EINVAL;
1184         }
1185
1186         dev = &rte_crypto_devices[dev_id];
1187         rte_spinlock_lock(&rte_cryptodev_cb_lock);
1188
1189         ret = 0;
1190         for (cb = TAILQ_FIRST(&dev->link_intr_cbs); cb != NULL; cb = next) {
1191
1192                 next = TAILQ_NEXT(cb, next);
1193
1194                 if (cb->cb_fn != cb_fn || cb->event != event ||
1195                                 (cb->cb_arg != (void *)-1 &&
1196                                 cb->cb_arg != cb_arg))
1197                         continue;
1198
1199                 /*
1200                  * if this callback is not executing right now,
1201                  * then remove it.
1202                  */
1203                 if (cb->active == 0) {
1204                         TAILQ_REMOVE(&(dev->link_intr_cbs), cb, next);
1205                         rte_free(cb);
1206                 } else {
1207                         ret = -EAGAIN;
1208                 }
1209         }
1210
1211         rte_spinlock_unlock(&rte_cryptodev_cb_lock);
1212         return ret;
1213 }
1214
1215 void
1216 rte_cryptodev_pmd_callback_process(struct rte_cryptodev *dev,
1217         enum rte_cryptodev_event_type event)
1218 {
1219         struct rte_cryptodev_callback *cb_lst;
1220         struct rte_cryptodev_callback dev_cb;
1221
1222         rte_spinlock_lock(&rte_cryptodev_cb_lock);
1223         TAILQ_FOREACH(cb_lst, &(dev->link_intr_cbs), next) {
1224                 if (cb_lst->cb_fn == NULL || cb_lst->event != event)
1225                         continue;
1226                 dev_cb = *cb_lst;
1227                 cb_lst->active = 1;
1228                 rte_spinlock_unlock(&rte_cryptodev_cb_lock);
1229                 dev_cb.cb_fn(dev->data->dev_id, dev_cb.event,
1230                                                 dev_cb.cb_arg);
1231                 rte_spinlock_lock(&rte_cryptodev_cb_lock);
1232                 cb_lst->active = 0;
1233         }
1234         rte_spinlock_unlock(&rte_cryptodev_cb_lock);
1235 }
1236
1237
1238 static void
1239 rte_cryptodev_sym_session_init(struct rte_mempool *mp,
1240                 void *opaque_arg,
1241                 void *_sess,
1242                 __rte_unused unsigned i)
1243 {
1244         struct rte_cryptodev_sym_session *sess = _sess;
1245         struct rte_cryptodev *dev = opaque_arg;
1246
1247         memset(sess, 0, mp->elt_size);
1248
1249         sess->dev_id = dev->data->dev_id;
1250         sess->dev_type = dev->dev_type;
1251         sess->mp = mp;
1252
1253         if (dev->dev_ops->session_initialize)
1254                 (*dev->dev_ops->session_initialize)(mp, sess);
1255 }
1256
1257 static int
1258 rte_cryptodev_sym_session_pool_create(struct rte_cryptodev *dev,
1259                 unsigned nb_objs, unsigned obj_cache_size, int socket_id)
1260 {
1261         char mp_name[RTE_CRYPTODEV_NAME_MAX_LEN];
1262         unsigned priv_sess_size;
1263
1264         unsigned n = snprintf(mp_name, sizeof(mp_name), "cdev_%d_sess_mp",
1265                         dev->data->dev_id);
1266         if (n > sizeof(mp_name)) {
1267                 CDEV_LOG_ERR("Unable to create unique name for session mempool");
1268                 return -ENOMEM;
1269         }
1270
1271         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->session_get_size, -ENOTSUP);
1272         priv_sess_size = (*dev->dev_ops->session_get_size)(dev);
1273         if (priv_sess_size == 0) {
1274                 CDEV_LOG_ERR("%s returned and invalid private session size ",
1275                                                 dev->data->name);
1276                 return -ENOMEM;
1277         }
1278
1279         unsigned elt_size = sizeof(struct rte_cryptodev_sym_session) +
1280                         priv_sess_size;
1281
1282         dev->data->session_pool = rte_mempool_lookup(mp_name);
1283         if (dev->data->session_pool != NULL) {
1284                 if ((dev->data->session_pool->elt_size != elt_size) ||
1285                                 (dev->data->session_pool->cache_size <
1286                                 obj_cache_size) ||
1287                                 (dev->data->session_pool->size < nb_objs)) {
1288
1289                         CDEV_LOG_ERR("%s mempool already exists with different"
1290                                         " initialization parameters", mp_name);
1291                         dev->data->session_pool = NULL;
1292                         return -ENOMEM;
1293                 }
1294         } else {
1295                 dev->data->session_pool = rte_mempool_create(
1296                                 mp_name, /* mempool name */
1297                                 nb_objs, /* number of elements*/
1298                                 elt_size, /* element size*/
1299                                 obj_cache_size, /* Cache size*/
1300                                 0, /* private data size */
1301                                 NULL, /* obj initialization constructor */
1302                                 NULL, /* obj initialization constructor arg */
1303                                 rte_cryptodev_sym_session_init,
1304                                 /**< obj constructor*/
1305                                 dev, /* obj constructor arg */
1306                                 socket_id, /* socket id */
1307                                 0); /* flags */
1308
1309                 if (dev->data->session_pool == NULL) {
1310                         CDEV_LOG_ERR("%s mempool allocation failed", mp_name);
1311                         return -ENOMEM;
1312                 }
1313         }
1314
1315         CDEV_LOG_DEBUG("%s mempool created!", mp_name);
1316         return 0;
1317 }
1318
1319 struct rte_cryptodev_sym_session *
1320 rte_cryptodev_sym_session_create(uint8_t dev_id,
1321                 struct rte_crypto_sym_xform *xform)
1322 {
1323         struct rte_cryptodev *dev;
1324         struct rte_cryptodev_sym_session *sess;
1325         void *_sess;
1326
1327         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
1328                 CDEV_LOG_ERR("Invalid dev_id=%d", dev_id);
1329                 return NULL;
1330         }
1331
1332         dev = &rte_crypto_devices[dev_id];
1333
1334         /* Allocate a session structure from the session pool */
1335         if (rte_mempool_get(dev->data->session_pool, &_sess)) {
1336                 CDEV_LOG_ERR("Couldn't get object from session mempool");
1337                 return NULL;
1338         }
1339
1340         sess = (struct rte_cryptodev_sym_session *)_sess;
1341
1342         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->session_configure, NULL);
1343         if (dev->dev_ops->session_configure(dev, xform, sess->_private) ==
1344                         NULL) {
1345                 CDEV_LOG_ERR("dev_id %d failed to configure session details",
1346                                 dev_id);
1347
1348                 /* Return session to mempool */
1349                 rte_mempool_put(sess->mp, _sess);
1350                 return NULL;
1351         }
1352
1353         return sess;
1354 }
1355
1356 struct rte_cryptodev_sym_session *
1357 rte_cryptodev_sym_session_free(uint8_t dev_id,
1358                 struct rte_cryptodev_sym_session *sess)
1359 {
1360         struct rte_cryptodev *dev;
1361
1362         if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
1363                 CDEV_LOG_ERR("Invalid dev_id=%d", dev_id);
1364                 return sess;
1365         }
1366
1367         dev = &rte_crypto_devices[dev_id];
1368
1369         /* Check the session belongs to this device type */
1370         if (sess->dev_type != dev->dev_type)
1371                 return sess;
1372
1373         /* Let device implementation clear session material */
1374         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->session_clear, sess);
1375         dev->dev_ops->session_clear(dev, (void *)sess->_private);
1376
1377         /* Return session to mempool */
1378         rte_mempool_put(sess->mp, (void *)sess);
1379
1380         return NULL;
1381 }
1382
1383 /** Initialise rte_crypto_op mempool element */
1384 static void
1385 rte_crypto_op_init(struct rte_mempool *mempool,
1386                 void *opaque_arg,
1387                 void *_op_data,
1388                 __rte_unused unsigned i)
1389 {
1390         struct rte_crypto_op *op = _op_data;
1391         enum rte_crypto_op_type type = *(enum rte_crypto_op_type *)opaque_arg;
1392
1393         memset(_op_data, 0, mempool->elt_size);
1394
1395         __rte_crypto_op_reset(op, type);
1396
1397         op->phys_addr = rte_mem_virt2phy(_op_data);
1398         op->mempool = mempool;
1399 }
1400
1401
1402 struct rte_mempool *
1403 rte_crypto_op_pool_create(const char *name, enum rte_crypto_op_type type,
1404                 unsigned nb_elts, unsigned cache_size, uint16_t priv_size,
1405                 int socket_id)
1406 {
1407         struct rte_crypto_op_pool_private *priv;
1408
1409         unsigned elt_size = sizeof(struct rte_crypto_op) +
1410                         sizeof(struct rte_crypto_sym_op) +
1411                         priv_size;
1412
1413         /* lookup mempool in case already allocated */
1414         struct rte_mempool *mp = rte_mempool_lookup(name);
1415
1416         if (mp != NULL) {
1417                 priv = (struct rte_crypto_op_pool_private *)
1418                                 rte_mempool_get_priv(mp);
1419
1420                 if (mp->elt_size != elt_size ||
1421                                 mp->cache_size < cache_size ||
1422                                 mp->size < nb_elts ||
1423                                 priv->priv_size <  priv_size) {
1424                         mp = NULL;
1425                         CDEV_LOG_ERR("Mempool %s already exists but with "
1426                                         "incompatible parameters", name);
1427                         return NULL;
1428                 }
1429                 return mp;
1430         }
1431
1432         mp = rte_mempool_create(
1433                         name,
1434                         nb_elts,
1435                         elt_size,
1436                         cache_size,
1437                         sizeof(struct rte_crypto_op_pool_private),
1438                         NULL,
1439                         NULL,
1440                         rte_crypto_op_init,
1441                         &type,
1442                         socket_id,
1443                         0);
1444
1445         if (mp == NULL) {
1446                 CDEV_LOG_ERR("Failed to create mempool %s", name);
1447                 return NULL;
1448         }
1449
1450         priv = (struct rte_crypto_op_pool_private *)
1451                         rte_mempool_get_priv(mp);
1452
1453         priv->priv_size = priv_size;
1454         priv->type = type;
1455
1456         return mp;
1457 }
1458
1459 int
1460 rte_cryptodev_pmd_create_dev_name(char *name, const char *dev_name_prefix)
1461 {
1462         struct rte_cryptodev *dev = NULL;
1463         uint32_t i = 0;
1464
1465         if (name == NULL)
1466                 return -EINVAL;
1467
1468         for (i = 0; i < RTE_CRYPTO_MAX_DEVS; i++) {
1469                 int ret = snprintf(name, RTE_CRYPTODEV_NAME_MAX_LEN,
1470                                 "%s_%u", dev_name_prefix, i);
1471
1472                 if (ret < 0)
1473                         return ret;
1474
1475                 dev = rte_cryptodev_pmd_get_named_dev(name);
1476                 if (!dev)
1477                         return 0;
1478         }
1479
1480         return -1;
1481 }