| 1 | /* |
| 2 | * QEMU Crypto Device Implementation |
| 3 | * |
| 4 | * Copyright (c) 2016 HUAWEI TECHNOLOGIES CO., LTD. |
| 5 | * |
| 6 | * Authors: |
| 7 | * Gonglei <arei.gonglei@huawei.com> |
| 8 | * |
| 9 | * This library is free software; you can redistribute it and/or |
| 10 | * modify it under the terms of the GNU Lesser General Public |
| 11 | * License as published by the Free Software Foundation; either |
| 12 | * version 2.1 of the License, or (at your option) any later version. |
| 13 | * |
| 14 | * This library is distributed in the hope that it will be useful, |
| 15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 17 | * Lesser General Public License for more details. |
| 18 | * |
| 19 | * You should have received a copy of the GNU Lesser General Public |
| 20 | * License along with this library; if not, see <http://www.gnu.org/licenses/>. |
| 21 | * |
| 22 | */ |
| 23 | |
| 24 | #include "qemu/osdep.h" |
| 25 | #include "system/cryptodev.h" |
| 26 | #include "system/stats.h" |
| 27 | #include "qapi/error.h" |
| 28 | #include "qapi/qapi-commands-cryptodev.h" |
| 29 | #include "qapi/qapi-types-stats.h" |
| 30 | #include "qapi/visitor.h" |
| 31 | #include "qemu/config-file.h" |
| 32 | #include "qemu/error-report.h" |
| 33 | #include "qemu/main-loop.h" |
| 34 | #include "qom/object_interfaces.h" |
| 35 | #include "hw/virtio/virtio-crypto.h" |
| 36 | |
| 37 | #define SYM_ENCRYPT_OPS_STR "sym-encrypt-ops" |
| 38 | #define SYM_DECRYPT_OPS_STR "sym-decrypt-ops" |
| 39 | #define SYM_ENCRYPT_BYTES_STR "sym-encrypt-bytes" |
| 40 | #define SYM_DECRYPT_BYTES_STR "sym-decrypt-bytes" |
| 41 | |
| 42 | #define ASYM_ENCRYPT_OPS_STR "asym-encrypt-ops" |
| 43 | #define ASYM_DECRYPT_OPS_STR "asym-decrypt-ops" |
| 44 | #define ASYM_SIGN_OPS_STR "asym-sign-ops" |
| 45 | #define ASYM_VERIFY_OPS_STR "asym-verify-ops" |
| 46 | #define ASYM_ENCRYPT_BYTES_STR "asym-encrypt-bytes" |
| 47 | #define ASYM_DECRYPT_BYTES_STR "asym-decrypt-bytes" |
| 48 | #define ASYM_SIGN_BYTES_STR "asym-sign-bytes" |
| 49 | #define ASYM_VERIFY_BYTES_STR "asym-verify-bytes" |
| 50 | |
| 51 | typedef struct StatsArgs { |
| 52 | union StatsResultsType { |
| 53 | StatsResultList **stats; |
| 54 | StatsSchemaList **schema; |
| 55 | } result; |
| 56 | strList *names; |
| 57 | Error **errp; |
| 58 | } StatsArgs; |
| 59 | |
| 60 | static QTAILQ_HEAD(, CryptoDevBackendClient) crypto_clients; |
| 61 | |
| 62 | static int qmp_query_cryptodev_foreach(Object *obj, void *data) |
| 63 | { |
| 64 | CryptoDevBackend *backend; |
| 65 | QCryptodevInfoList **infolist = data; |
| 66 | uint32_t services, i; |
| 67 | |
| 68 | if (!object_dynamic_cast(obj, TYPE_CRYPTODEV_BACKEND)) { |
| 69 | return 0; |
| 70 | } |
| 71 | |
| 72 | QCryptodevInfo *info = g_new0(QCryptodevInfo, 1); |
| 73 | info->id = g_strdup(object_get_canonical_path_component(obj)); |
| 74 | |
| 75 | backend = CRYPTODEV_BACKEND(obj); |
| 76 | services = backend->conf.crypto_services; |
| 77 | for (i = 0; i < QCRYPTODEV_BACKEND_SERVICE_TYPE__MAX; i++) { |
| 78 | if (services & (1 << i)) { |
| 79 | QAPI_LIST_PREPEND(info->service, i); |
| 80 | } |
| 81 | } |
| 82 | |
| 83 | for (i = 0; i < backend->conf.peers.queues; i++) { |
| 84 | CryptoDevBackendClient *cc = backend->conf.peers.ccs[i]; |
| 85 | QCryptodevBackendClient *client = g_new0(QCryptodevBackendClient, 1); |
| 86 | |
| 87 | client->queue = cc->queue_index; |
| 88 | client->type = cc->type; |
| 89 | QAPI_LIST_PREPEND(info->client, client); |
| 90 | } |
| 91 | |
| 92 | QAPI_LIST_PREPEND(*infolist, info); |
| 93 | |
| 94 | return 0; |
| 95 | } |
| 96 | |
| 97 | QCryptodevInfoList *qmp_query_cryptodev(Error **errp) |
| 98 | { |
| 99 | QCryptodevInfoList *list = NULL; |
| 100 | Object *objs = object_get_container("objects"); |
| 101 | |
| 102 | object_child_foreach(objs, qmp_query_cryptodev_foreach, &list); |
| 103 | |
| 104 | return list; |
| 105 | } |
| 106 | |
| 107 | CryptoDevBackendClient *cryptodev_backend_new_client(void) |
| 108 | { |
| 109 | CryptoDevBackendClient *cc; |
| 110 | |
| 111 | cc = g_new0(CryptoDevBackendClient, 1); |
| 112 | QTAILQ_INSERT_TAIL(&crypto_clients, cc, next); |
| 113 | |
| 114 | return cc; |
| 115 | } |
| 116 | |
| 117 | void cryptodev_backend_free_client( |
| 118 | CryptoDevBackendClient *cc) |
| 119 | { |
| 120 | QTAILQ_REMOVE(&crypto_clients, cc, next); |
| 121 | g_free(cc->info_str); |
| 122 | g_free(cc); |
| 123 | } |
| 124 | |
| 125 | void cryptodev_backend_cleanup( |
| 126 | CryptoDevBackend *backend, |
| 127 | Error **errp) |
| 128 | { |
| 129 | CryptoDevBackendClass *bc = |
| 130 | CRYPTODEV_BACKEND_GET_CLASS(backend); |
| 131 | |
| 132 | if (bc->cleanup) { |
| 133 | bc->cleanup(backend, errp); |
| 134 | } |
| 135 | |
| 136 | g_free(backend->sym_stat); |
| 137 | g_free(backend->asym_stat); |
| 138 | } |
| 139 | |
| 140 | int cryptodev_backend_create_session( |
| 141 | CryptoDevBackend *backend, |
| 142 | CryptoDevBackendSessionInfo *sess_info, |
| 143 | uint32_t queue_index, |
| 144 | CryptoDevCompletionFunc cb, |
| 145 | void *opaque) |
| 146 | { |
| 147 | CryptoDevBackendClass *bc = |
| 148 | CRYPTODEV_BACKEND_GET_CLASS(backend); |
| 149 | |
| 150 | if (bc->create_session) { |
| 151 | return bc->create_session(backend, sess_info, queue_index, cb, opaque); |
| 152 | } |
| 153 | return -VIRTIO_CRYPTO_NOTSUPP; |
| 154 | } |
| 155 | |
| 156 | int cryptodev_backend_close_session( |
| 157 | CryptoDevBackend *backend, |
| 158 | uint64_t session_id, |
| 159 | uint32_t queue_index, |
| 160 | CryptoDevCompletionFunc cb, |
| 161 | void *opaque) |
| 162 | { |
| 163 | CryptoDevBackendClass *bc = |
| 164 | CRYPTODEV_BACKEND_GET_CLASS(backend); |
| 165 | |
| 166 | if (bc->close_session) { |
| 167 | return bc->close_session(backend, session_id, queue_index, cb, opaque); |
| 168 | } |
| 169 | return -VIRTIO_CRYPTO_NOTSUPP; |
| 170 | } |
| 171 | |
| 172 | static int cryptodev_backend_operation( |
| 173 | CryptoDevBackend *backend, |
| 174 | CryptoDevBackendOpInfo *op_info) |
| 175 | { |
| 176 | CryptoDevBackendClass *bc = |
| 177 | CRYPTODEV_BACKEND_GET_CLASS(backend); |
| 178 | |
| 179 | if (bc->do_op) { |
| 180 | return bc->do_op(backend, op_info); |
| 181 | } |
| 182 | return -VIRTIO_CRYPTO_NOTSUPP; |
| 183 | } |
| 184 | |
| 185 | static int cryptodev_backend_account(CryptoDevBackend *backend, |
| 186 | CryptoDevBackendOpInfo *op_info) |
| 187 | { |
| 188 | enum QCryptodevBackendAlgoType algtype = op_info->algtype; |
| 189 | int len; |
| 190 | |
| 191 | if (algtype == QCRYPTODEV_BACKEND_ALGO_TYPE_ASYM) { |
| 192 | CryptoDevBackendAsymOpInfo *asym_op_info = op_info->u.asym_op_info; |
| 193 | len = asym_op_info->src_len; |
| 194 | |
| 195 | if (unlikely(!backend->asym_stat)) { |
| 196 | error_report("cryptodev: Unexpected asym operation"); |
| 197 | return -VIRTIO_CRYPTO_NOTSUPP; |
| 198 | } |
| 199 | switch (op_info->op_code) { |
| 200 | case VIRTIO_CRYPTO_AKCIPHER_ENCRYPT: |
| 201 | CryptodevAsymStatIncEncrypt(backend, len); |
| 202 | break; |
| 203 | case VIRTIO_CRYPTO_AKCIPHER_DECRYPT: |
| 204 | CryptodevAsymStatIncDecrypt(backend, len); |
| 205 | break; |
| 206 | case VIRTIO_CRYPTO_AKCIPHER_SIGN: |
| 207 | CryptodevAsymStatIncSign(backend, len); |
| 208 | break; |
| 209 | case VIRTIO_CRYPTO_AKCIPHER_VERIFY: |
| 210 | CryptodevAsymStatIncVerify(backend, len); |
| 211 | break; |
| 212 | default: |
| 213 | return -VIRTIO_CRYPTO_NOTSUPP; |
| 214 | } |
| 215 | } else if (algtype == QCRYPTODEV_BACKEND_ALGO_TYPE_SYM) { |
| 216 | CryptoDevBackendSymOpInfo *sym_op_info = op_info->u.sym_op_info; |
| 217 | len = sym_op_info->src_len; |
| 218 | |
| 219 | if (unlikely(!backend->sym_stat)) { |
| 220 | error_report("cryptodev: Unexpected sym operation"); |
| 221 | return -VIRTIO_CRYPTO_NOTSUPP; |
| 222 | } |
| 223 | switch (op_info->op_code) { |
| 224 | case VIRTIO_CRYPTO_CIPHER_ENCRYPT: |
| 225 | CryptodevSymStatIncEncrypt(backend, len); |
| 226 | break; |
| 227 | case VIRTIO_CRYPTO_CIPHER_DECRYPT: |
| 228 | CryptodevSymStatIncDecrypt(backend, len); |
| 229 | break; |
| 230 | default: |
| 231 | return -VIRTIO_CRYPTO_NOTSUPP; |
| 232 | } |
| 233 | } else { |
| 234 | error_report("Unsupported cryptodev alg type: %" PRIu32 "", algtype); |
| 235 | return -VIRTIO_CRYPTO_NOTSUPP; |
| 236 | } |
| 237 | |
| 238 | return len; |
| 239 | } |
| 240 | |
| 241 | static void cryptodev_backend_throttle_timer_cb(void *opaque) |
| 242 | { |
| 243 | CryptoDevBackend *backend = (CryptoDevBackend *)opaque; |
| 244 | CryptoDevBackendOpInfo *op_info, *tmpop; |
| 245 | int ret; |
| 246 | |
| 247 | QTAILQ_FOREACH_SAFE(op_info, &backend->opinfos, next, tmpop) { |
| 248 | QTAILQ_REMOVE(&backend->opinfos, op_info, next); |
| 249 | ret = cryptodev_backend_account(backend, op_info); |
| 250 | if (ret < 0) { |
| 251 | op_info->cb(op_info->opaque, ret); |
| 252 | continue; |
| 253 | } |
| 254 | |
| 255 | throttle_account(&backend->ts, THROTTLE_WRITE, ret); |
| 256 | cryptodev_backend_operation(backend, op_info); |
| 257 | if (throttle_enabled(&backend->tc) && |
| 258 | throttle_schedule_timer(&backend->ts, &backend->tt, |
| 259 | THROTTLE_WRITE)) { |
| 260 | break; |
| 261 | } |
| 262 | } |
| 263 | } |
| 264 | |
| 265 | int cryptodev_backend_crypto_operation( |
| 266 | CryptoDevBackend *backend, |
| 267 | CryptoDevBackendOpInfo *op_info) |
| 268 | { |
| 269 | int ret; |
| 270 | |
| 271 | if (!throttle_enabled(&backend->tc)) { |
| 272 | goto do_account; |
| 273 | } |
| 274 | |
| 275 | if (throttle_schedule_timer(&backend->ts, &backend->tt, THROTTLE_WRITE) || |
| 276 | !QTAILQ_EMPTY(&backend->opinfos)) { |
| 277 | QTAILQ_INSERT_TAIL(&backend->opinfos, op_info, next); |
| 278 | return 0; |
| 279 | } |
| 280 | |
| 281 | do_account: |
| 282 | ret = cryptodev_backend_account(backend, op_info); |
| 283 | if (ret < 0) { |
| 284 | return ret; |
| 285 | } |
| 286 | |
| 287 | throttle_account(&backend->ts, THROTTLE_WRITE, ret); |
| 288 | |
| 289 | return cryptodev_backend_operation(backend, op_info); |
| 290 | } |
| 291 | |
| 292 | static void |
| 293 | cryptodev_backend_get_queues(Object *obj, Visitor *v, const char *name, |
| 294 | void *opaque, Error **errp) |
| 295 | { |
| 296 | CryptoDevBackend *backend = CRYPTODEV_BACKEND(obj); |
| 297 | uint32_t value = backend->conf.peers.queues; |
| 298 | |
| 299 | visit_type_uint32(v, name, &value, errp); |
| 300 | } |
| 301 | |
| 302 | static void |
| 303 | cryptodev_backend_set_queues(Object *obj, Visitor *v, const char *name, |
| 304 | void *opaque, Error **errp) |
| 305 | { |
| 306 | CryptoDevBackend *backend = CRYPTODEV_BACKEND(obj); |
| 307 | uint32_t value; |
| 308 | |
| 309 | if (!visit_type_uint32(v, name, &value, errp)) { |
| 310 | return; |
| 311 | } |
| 312 | if (!value) { |
| 313 | error_setg(errp, "Property '%s.%s' doesn't take value '%" PRIu32 "'", |
| 314 | object_get_typename(obj), name, value); |
| 315 | return; |
| 316 | } |
| 317 | backend->conf.peers.queues = value; |
| 318 | } |
| 319 | |
| 320 | static void cryptodev_backend_set_throttle(CryptoDevBackend *backend, int field, |
| 321 | uint64_t value, Error **errp) |
| 322 | { |
| 323 | uint64_t orig = backend->tc.buckets[field].avg; |
| 324 | bool enabled = throttle_enabled(&backend->tc); |
| 325 | |
| 326 | if (orig == value) { |
| 327 | return; |
| 328 | } |
| 329 | |
| 330 | backend->tc.buckets[field].avg = value; |
| 331 | if (!throttle_enabled(&backend->tc)) { |
| 332 | throttle_timers_destroy(&backend->tt); |
| 333 | cryptodev_backend_throttle_timer_cb(backend); /* drain opinfos */ |
| 334 | return; |
| 335 | } |
| 336 | |
| 337 | if (!throttle_is_valid(&backend->tc, errp)) { |
| 338 | backend->tc.buckets[field].avg = orig; /* revert change */ |
| 339 | return; |
| 340 | } |
| 341 | |
| 342 | if (!enabled) { |
| 343 | throttle_init(&backend->ts); |
| 344 | throttle_timers_init(&backend->tt, qemu_get_aio_context(), |
| 345 | QEMU_CLOCK_REALTIME, NULL, |
| 346 | cryptodev_backend_throttle_timer_cb, backend); |
| 347 | } |
| 348 | |
| 349 | throttle_config(&backend->ts, QEMU_CLOCK_REALTIME, &backend->tc); |
| 350 | } |
| 351 | |
| 352 | static void cryptodev_backend_get_bps(Object *obj, Visitor *v, |
| 353 | const char *name, void *opaque, |
| 354 | Error **errp) |
| 355 | { |
| 356 | CryptoDevBackend *backend = CRYPTODEV_BACKEND(obj); |
| 357 | uint64_t value = backend->tc.buckets[THROTTLE_BPS_TOTAL].avg; |
| 358 | |
| 359 | visit_type_uint64(v, name, &value, errp); |
| 360 | } |
| 361 | |
| 362 | static void cryptodev_backend_set_bps(Object *obj, Visitor *v, const char *name, |
| 363 | void *opaque, Error **errp) |
| 364 | { |
| 365 | CryptoDevBackend *backend = CRYPTODEV_BACKEND(obj); |
| 366 | uint64_t value; |
| 367 | |
| 368 | if (!visit_type_uint64(v, name, &value, errp)) { |
| 369 | return; |
| 370 | } |
| 371 | |
| 372 | cryptodev_backend_set_throttle(backend, THROTTLE_BPS_TOTAL, value, errp); |
| 373 | } |
| 374 | |
| 375 | static void cryptodev_backend_get_ops(Object *obj, Visitor *v, const char *name, |
| 376 | void *opaque, Error **errp) |
| 377 | { |
| 378 | CryptoDevBackend *backend = CRYPTODEV_BACKEND(obj); |
| 379 | uint64_t value = backend->tc.buckets[THROTTLE_OPS_TOTAL].avg; |
| 380 | |
| 381 | visit_type_uint64(v, name, &value, errp); |
| 382 | } |
| 383 | |
| 384 | static void cryptodev_backend_set_ops(Object *obj, Visitor *v, |
| 385 | const char *name, void *opaque, |
| 386 | Error **errp) |
| 387 | { |
| 388 | CryptoDevBackend *backend = CRYPTODEV_BACKEND(obj); |
| 389 | uint64_t value; |
| 390 | |
| 391 | if (!visit_type_uint64(v, name, &value, errp)) { |
| 392 | return; |
| 393 | } |
| 394 | |
| 395 | cryptodev_backend_set_throttle(backend, THROTTLE_OPS_TOTAL, value, errp); |
| 396 | } |
| 397 | |
| 398 | static void |
| 399 | cryptodev_backend_complete(UserCreatable *uc, Error **errp) |
| 400 | { |
| 401 | ERRP_GUARD(); |
| 402 | CryptoDevBackend *backend = CRYPTODEV_BACKEND(uc); |
| 403 | CryptoDevBackendClass *bc = CRYPTODEV_BACKEND_GET_CLASS(uc); |
| 404 | uint32_t services; |
| 405 | uint64_t value; |
| 406 | |
| 407 | QTAILQ_INIT(&backend->opinfos); |
| 408 | value = backend->tc.buckets[THROTTLE_OPS_TOTAL].avg; |
| 409 | cryptodev_backend_set_throttle(backend, THROTTLE_OPS_TOTAL, value, errp); |
| 410 | if (*errp) { |
| 411 | return; |
| 412 | } |
| 413 | value = backend->tc.buckets[THROTTLE_BPS_TOTAL].avg; |
| 414 | cryptodev_backend_set_throttle(backend, THROTTLE_BPS_TOTAL, value, errp); |
| 415 | if (*errp) { |
| 416 | return; |
| 417 | } |
| 418 | |
| 419 | if (bc->init) { |
| 420 | bc->init(backend, errp); |
| 421 | if (*errp) { |
| 422 | return; |
| 423 | } |
| 424 | } |
| 425 | |
| 426 | services = backend->conf.crypto_services; |
| 427 | if (services & (1 << QCRYPTODEV_BACKEND_SERVICE_TYPE_CIPHER)) { |
| 428 | backend->sym_stat = g_new0(CryptodevBackendSymStat, 1); |
| 429 | } |
| 430 | |
| 431 | if (services & (1 << QCRYPTODEV_BACKEND_SERVICE_TYPE_AKCIPHER)) { |
| 432 | backend->asym_stat = g_new0(CryptodevBackendAsymStat, 1); |
| 433 | } |
| 434 | } |
| 435 | |
| 436 | void cryptodev_backend_set_used(CryptoDevBackend *backend, bool used) |
| 437 | { |
| 438 | backend->is_used = used; |
| 439 | } |
| 440 | |
| 441 | bool cryptodev_backend_is_used(CryptoDevBackend *backend) |
| 442 | { |
| 443 | return backend->is_used; |
| 444 | } |
| 445 | |
| 446 | void cryptodev_backend_set_ready(CryptoDevBackend *backend, bool ready) |
| 447 | { |
| 448 | backend->ready = ready; |
| 449 | } |
| 450 | |
| 451 | bool cryptodev_backend_is_ready(CryptoDevBackend *backend) |
| 452 | { |
| 453 | return backend->ready; |
| 454 | } |
| 455 | |
| 456 | static bool |
| 457 | cryptodev_backend_prepare_delete(UserCreatable *uc, Error **errp) |
| 458 | { |
| 459 | if (cryptodev_backend_is_used(CRYPTODEV_BACKEND(uc))) { |
| 460 | error_setg(errp, |
| 461 | "Cannot delete cryptodev backend '%s' that is in use", |
| 462 | object_get_canonical_path_component(OBJECT(uc))); |
| 463 | return false; |
| 464 | } |
| 465 | return true; |
| 466 | } |
| 467 | |
| 468 | static void cryptodev_backend_instance_init(Object *obj) |
| 469 | { |
| 470 | CryptoDevBackend *backend = CRYPTODEV_BACKEND(obj); |
| 471 | |
| 472 | /* Initialize devices' queues property to 1 */ |
| 473 | object_property_set_int(obj, "queues", 1, NULL); |
| 474 | |
| 475 | throttle_config_init(&backend->tc); |
| 476 | } |
| 477 | |
| 478 | static void cryptodev_backend_finalize(Object *obj) |
| 479 | { |
| 480 | CryptoDevBackend *backend = CRYPTODEV_BACKEND(obj); |
| 481 | |
| 482 | cryptodev_backend_cleanup(backend, NULL); |
| 483 | if (throttle_enabled(&backend->tc)) { |
| 484 | throttle_timers_destroy(&backend->tt); |
| 485 | } |
| 486 | } |
| 487 | |
| 488 | static StatsList *cryptodev_backend_stats_add(const char *name, int64_t *val, |
| 489 | StatsList *stats_list) |
| 490 | { |
| 491 | Stats *stats = g_new0(Stats, 1); |
| 492 | |
| 493 | stats->name = g_strdup(name); |
| 494 | stats->value = g_new0(StatsValue, 1); |
| 495 | stats->value->type = QTYPE_QNUM; |
| 496 | stats->value->u.scalar = *val; |
| 497 | |
| 498 | QAPI_LIST_PREPEND(stats_list, stats); |
| 499 | return stats_list; |
| 500 | } |
| 501 | |
| 502 | static int cryptodev_backend_stats_query(Object *obj, void *data) |
| 503 | { |
| 504 | StatsArgs *stats_args = data; |
| 505 | StatsResultList **stats_results = stats_args->result.stats; |
| 506 | StatsList *stats_list = NULL; |
| 507 | StatsResult *entry; |
| 508 | CryptoDevBackend *backend; |
| 509 | CryptodevBackendSymStat *sym_stat; |
| 510 | CryptodevBackendAsymStat *asym_stat; |
| 511 | |
| 512 | if (!object_dynamic_cast(obj, TYPE_CRYPTODEV_BACKEND)) { |
| 513 | return 0; |
| 514 | } |
| 515 | |
| 516 | backend = CRYPTODEV_BACKEND(obj); |
| 517 | sym_stat = backend->sym_stat; |
| 518 | if (sym_stat) { |
| 519 | stats_list = cryptodev_backend_stats_add(SYM_ENCRYPT_OPS_STR, |
| 520 | &sym_stat->encrypt_ops, stats_list); |
| 521 | stats_list = cryptodev_backend_stats_add(SYM_DECRYPT_OPS_STR, |
| 522 | &sym_stat->decrypt_ops, stats_list); |
| 523 | stats_list = cryptodev_backend_stats_add(SYM_ENCRYPT_BYTES_STR, |
| 524 | &sym_stat->encrypt_bytes, stats_list); |
| 525 | stats_list = cryptodev_backend_stats_add(SYM_DECRYPT_BYTES_STR, |
| 526 | &sym_stat->decrypt_bytes, stats_list); |
| 527 | } |
| 528 | |
| 529 | asym_stat = backend->asym_stat; |
| 530 | if (asym_stat) { |
| 531 | stats_list = cryptodev_backend_stats_add(ASYM_ENCRYPT_OPS_STR, |
| 532 | &asym_stat->encrypt_ops, stats_list); |
| 533 | stats_list = cryptodev_backend_stats_add(ASYM_DECRYPT_OPS_STR, |
| 534 | &asym_stat->decrypt_ops, stats_list); |
| 535 | stats_list = cryptodev_backend_stats_add(ASYM_SIGN_OPS_STR, |
| 536 | &asym_stat->sign_ops, stats_list); |
| 537 | stats_list = cryptodev_backend_stats_add(ASYM_VERIFY_OPS_STR, |
| 538 | &asym_stat->verify_ops, stats_list); |
| 539 | stats_list = cryptodev_backend_stats_add(ASYM_ENCRYPT_BYTES_STR, |
| 540 | &asym_stat->encrypt_bytes, stats_list); |
| 541 | stats_list = cryptodev_backend_stats_add(ASYM_DECRYPT_BYTES_STR, |
| 542 | &asym_stat->decrypt_bytes, stats_list); |
| 543 | stats_list = cryptodev_backend_stats_add(ASYM_SIGN_BYTES_STR, |
| 544 | &asym_stat->sign_bytes, stats_list); |
| 545 | stats_list = cryptodev_backend_stats_add(ASYM_VERIFY_BYTES_STR, |
| 546 | &asym_stat->verify_bytes, stats_list); |
| 547 | } |
| 548 | |
| 549 | entry = g_new0(StatsResult, 1); |
| 550 | entry->provider = STATS_PROVIDER_CRYPTODEV; |
| 551 | entry->qom_path = object_get_canonical_path(obj); |
| 552 | entry->stats = stats_list; |
| 553 | QAPI_LIST_PREPEND(*stats_results, entry); |
| 554 | |
| 555 | return 0; |
| 556 | } |
| 557 | |
| 558 | static void cryptodev_backend_stats_cb(StatsResultList **result, |
| 559 | StatsTarget target, |
| 560 | strList *names, strList *targets, |
| 561 | Error **errp) |
| 562 | { |
| 563 | switch (target) { |
| 564 | case STATS_TARGET_CRYPTODEV: |
| 565 | { |
| 566 | Object *objs = object_get_container("objects"); |
| 567 | StatsArgs stats_args; |
| 568 | stats_args.result.stats = result; |
| 569 | stats_args.names = names; |
| 570 | stats_args.errp = errp; |
| 571 | |
| 572 | object_child_foreach(objs, cryptodev_backend_stats_query, &stats_args); |
| 573 | break; |
| 574 | } |
| 575 | default: |
| 576 | break; |
| 577 | } |
| 578 | } |
| 579 | |
| 580 | static StatsSchemaValueList *cryptodev_backend_schemas_add(const char *name, |
| 581 | StatsSchemaValueList *list) |
| 582 | { |
| 583 | StatsSchemaValueList *schema_entry = g_new0(StatsSchemaValueList, 1); |
| 584 | |
| 585 | schema_entry->value = g_new0(StatsSchemaValue, 1); |
| 586 | schema_entry->value->type = STATS_TYPE_CUMULATIVE; |
| 587 | schema_entry->value->name = g_strdup(name); |
| 588 | schema_entry->next = list; |
| 589 | |
| 590 | return schema_entry; |
| 591 | } |
| 592 | |
| 593 | static void cryptodev_backend_schemas_cb(StatsSchemaList **result, |
| 594 | Error **errp) |
| 595 | { |
| 596 | StatsSchemaValueList *stats_list = NULL; |
| 597 | const char *sym_stats[] = { SYM_ENCRYPT_OPS_STR, SYM_DECRYPT_OPS_STR, |
| 598 | SYM_ENCRYPT_BYTES_STR, SYM_DECRYPT_BYTES_STR }; |
| 599 | const char *asym_stats[] = { ASYM_ENCRYPT_OPS_STR, ASYM_DECRYPT_OPS_STR, |
| 600 | ASYM_SIGN_OPS_STR, ASYM_VERIFY_OPS_STR, |
| 601 | ASYM_ENCRYPT_BYTES_STR, ASYM_DECRYPT_BYTES_STR, |
| 602 | ASYM_SIGN_BYTES_STR, ASYM_VERIFY_BYTES_STR }; |
| 603 | |
| 604 | for (int i = 0; i < ARRAY_SIZE(sym_stats); i++) { |
| 605 | stats_list = cryptodev_backend_schemas_add(sym_stats[i], stats_list); |
| 606 | } |
| 607 | |
| 608 | for (int i = 0; i < ARRAY_SIZE(asym_stats); i++) { |
| 609 | stats_list = cryptodev_backend_schemas_add(asym_stats[i], stats_list); |
| 610 | } |
| 611 | |
| 612 | add_stats_schema(result, STATS_PROVIDER_CRYPTODEV, STATS_TARGET_CRYPTODEV, |
| 613 | stats_list); |
| 614 | } |
| 615 | |
| 616 | static void |
| 617 | cryptodev_backend_class_init(ObjectClass *oc, const void *data) |
| 618 | { |
| 619 | UserCreatableClass *ucc = USER_CREATABLE_CLASS(oc); |
| 620 | |
| 621 | ucc->complete = cryptodev_backend_complete; |
| 622 | ucc->prepare_delete = cryptodev_backend_prepare_delete; |
| 623 | |
| 624 | QTAILQ_INIT(&crypto_clients); |
| 625 | object_class_property_add(oc, "queues", "uint32", |
| 626 | cryptodev_backend_get_queues, |
| 627 | cryptodev_backend_set_queues, |
| 628 | NULL, NULL); |
| 629 | object_class_property_add(oc, "throttle-bps", "uint64", |
| 630 | cryptodev_backend_get_bps, |
| 631 | cryptodev_backend_set_bps, |
| 632 | NULL, NULL); |
| 633 | object_class_property_add(oc, "throttle-ops", "uint64", |
| 634 | cryptodev_backend_get_ops, |
| 635 | cryptodev_backend_set_ops, |
| 636 | NULL, NULL); |
| 637 | |
| 638 | add_stats_callbacks(STATS_PROVIDER_CRYPTODEV, cryptodev_backend_stats_cb, |
| 639 | cryptodev_backend_schemas_cb); |
| 640 | } |
| 641 | |
| 642 | static const TypeInfo cryptodev_backend_info = { |
| 643 | .name = TYPE_CRYPTODEV_BACKEND, |
| 644 | .parent = TYPE_OBJECT, |
| 645 | .instance_size = sizeof(CryptoDevBackend), |
| 646 | .instance_init = cryptodev_backend_instance_init, |
| 647 | .instance_finalize = cryptodev_backend_finalize, |
| 648 | .class_size = sizeof(CryptoDevBackendClass), |
| 649 | .class_init = cryptodev_backend_class_init, |
| 650 | .interfaces = (const InterfaceInfo[]) { |
| 651 | { TYPE_USER_CREATABLE }, |
| 652 | { } |
| 653 | } |
| 654 | }; |
| 655 | |
| 656 | static void |
| 657 | cryptodev_backend_register_types(void) |
| 658 | { |
| 659 | type_register_static(&cryptodev_backend_info); |
| 660 | } |
| 661 | |
| 662 | type_init(cryptodev_backend_register_types); |