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