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 "sysemu/cryptodev.h"
26 #include "sysemu/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
qmp_query_cryptodev_foreach(Object * obj,void * data)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
qmp_query_cryptodev(Error ** errp)97 QCryptodevInfoList *qmp_query_cryptodev(Error **errp)
98 {
99 QCryptodevInfoList *list = NULL;
100 Object *objs = container_get(object_get_root(), "/objects");
101
102 object_child_foreach(objs, qmp_query_cryptodev_foreach, &list);
103
104 return list;
105 }
106
cryptodev_backend_new_client(void)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
cryptodev_backend_free_client(CryptoDevBackendClient * cc)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
cryptodev_backend_cleanup(CryptoDevBackend * backend,Error ** errp)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
cryptodev_backend_create_session(CryptoDevBackend * backend,CryptoDevBackendSessionInfo * sess_info,uint32_t queue_index,CryptoDevCompletionFunc cb,void * opaque)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
cryptodev_backend_close_session(CryptoDevBackend * backend,uint64_t session_id,uint32_t queue_index,CryptoDevCompletionFunc cb,void * opaque)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
cryptodev_backend_operation(CryptoDevBackend * backend,CryptoDevBackendOpInfo * op_info)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
cryptodev_backend_account(CryptoDevBackend * backend,CryptoDevBackendOpInfo * op_info)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
cryptodev_backend_throttle_timer_cb(void * opaque)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
cryptodev_backend_crypto_operation(CryptoDevBackend * backend,CryptoDevBackendOpInfo * op_info)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
cryptodev_backend_get_queues(Object * obj,Visitor * v,const char * name,void * opaque,Error ** errp)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
cryptodev_backend_set_queues(Object * obj,Visitor * v,const char * name,void * opaque,Error ** errp)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
cryptodev_backend_set_throttle(CryptoDevBackend * backend,int field,uint64_t value,Error ** errp)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
cryptodev_backend_get_bps(Object * obj,Visitor * v,const char * name,void * opaque,Error ** errp)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
cryptodev_backend_set_bps(Object * obj,Visitor * v,const char * name,void * opaque,Error ** errp)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
cryptodev_backend_get_ops(Object * obj,Visitor * v,const char * name,void * opaque,Error ** errp)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
cryptodev_backend_set_ops(Object * obj,Visitor * v,const char * name,void * opaque,Error ** errp)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
cryptodev_backend_complete(UserCreatable * uc,Error ** errp)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
cryptodev_backend_set_used(CryptoDevBackend * backend,bool used)436 void cryptodev_backend_set_used(CryptoDevBackend *backend, bool used)
437 {
438 backend->is_used = used;
439 }
440
cryptodev_backend_is_used(CryptoDevBackend * backend)441 bool cryptodev_backend_is_used(CryptoDevBackend *backend)
442 {
443 return backend->is_used;
444 }
445
cryptodev_backend_set_ready(CryptoDevBackend * backend,bool ready)446 void cryptodev_backend_set_ready(CryptoDevBackend *backend, bool ready)
447 {
448 backend->ready = ready;
449 }
450
cryptodev_backend_is_ready(CryptoDevBackend * backend)451 bool cryptodev_backend_is_ready(CryptoDevBackend *backend)
452 {
453 return backend->ready;
454 }
455
456 static bool
cryptodev_backend_can_be_deleted(UserCreatable * uc)457 cryptodev_backend_can_be_deleted(UserCreatable *uc)
458 {
459 return !cryptodev_backend_is_used(CRYPTODEV_BACKEND(uc));
460 }
461
cryptodev_backend_instance_init(Object * obj)462 static void cryptodev_backend_instance_init(Object *obj)
463 {
464 CryptoDevBackend *backend = CRYPTODEV_BACKEND(obj);
465
466 /* Initialize devices' queues property to 1 */
467 object_property_set_int(obj, "queues", 1, NULL);
468
469 throttle_config_init(&backend->tc);
470 }
471
cryptodev_backend_finalize(Object * obj)472 static void cryptodev_backend_finalize(Object *obj)
473 {
474 CryptoDevBackend *backend = CRYPTODEV_BACKEND(obj);
475
476 cryptodev_backend_cleanup(backend, NULL);
477 if (throttle_enabled(&backend->tc)) {
478 throttle_timers_destroy(&backend->tt);
479 }
480 }
481
cryptodev_backend_stats_add(const char * name,int64_t * val,StatsList * stats_list)482 static StatsList *cryptodev_backend_stats_add(const char *name, int64_t *val,
483 StatsList *stats_list)
484 {
485 Stats *stats = g_new0(Stats, 1);
486
487 stats->name = g_strdup(name);
488 stats->value = g_new0(StatsValue, 1);
489 stats->value->type = QTYPE_QNUM;
490 stats->value->u.scalar = *val;
491
492 QAPI_LIST_PREPEND(stats_list, stats);
493 return stats_list;
494 }
495
cryptodev_backend_stats_query(Object * obj,void * data)496 static int cryptodev_backend_stats_query(Object *obj, void *data)
497 {
498 StatsArgs *stats_args = data;
499 StatsResultList **stats_results = stats_args->result.stats;
500 StatsList *stats_list = NULL;
501 StatsResult *entry;
502 CryptoDevBackend *backend;
503 CryptodevBackendSymStat *sym_stat;
504 CryptodevBackendAsymStat *asym_stat;
505
506 if (!object_dynamic_cast(obj, TYPE_CRYPTODEV_BACKEND)) {
507 return 0;
508 }
509
510 backend = CRYPTODEV_BACKEND(obj);
511 sym_stat = backend->sym_stat;
512 if (sym_stat) {
513 stats_list = cryptodev_backend_stats_add(SYM_ENCRYPT_OPS_STR,
514 &sym_stat->encrypt_ops, stats_list);
515 stats_list = cryptodev_backend_stats_add(SYM_DECRYPT_OPS_STR,
516 &sym_stat->decrypt_ops, stats_list);
517 stats_list = cryptodev_backend_stats_add(SYM_ENCRYPT_BYTES_STR,
518 &sym_stat->encrypt_bytes, stats_list);
519 stats_list = cryptodev_backend_stats_add(SYM_DECRYPT_BYTES_STR,
520 &sym_stat->decrypt_bytes, stats_list);
521 }
522
523 asym_stat = backend->asym_stat;
524 if (asym_stat) {
525 stats_list = cryptodev_backend_stats_add(ASYM_ENCRYPT_OPS_STR,
526 &asym_stat->encrypt_ops, stats_list);
527 stats_list = cryptodev_backend_stats_add(ASYM_DECRYPT_OPS_STR,
528 &asym_stat->decrypt_ops, stats_list);
529 stats_list = cryptodev_backend_stats_add(ASYM_SIGN_OPS_STR,
530 &asym_stat->sign_ops, stats_list);
531 stats_list = cryptodev_backend_stats_add(ASYM_VERIFY_OPS_STR,
532 &asym_stat->verify_ops, stats_list);
533 stats_list = cryptodev_backend_stats_add(ASYM_ENCRYPT_BYTES_STR,
534 &asym_stat->encrypt_bytes, stats_list);
535 stats_list = cryptodev_backend_stats_add(ASYM_DECRYPT_BYTES_STR,
536 &asym_stat->decrypt_bytes, stats_list);
537 stats_list = cryptodev_backend_stats_add(ASYM_SIGN_BYTES_STR,
538 &asym_stat->sign_bytes, stats_list);
539 stats_list = cryptodev_backend_stats_add(ASYM_VERIFY_BYTES_STR,
540 &asym_stat->verify_bytes, stats_list);
541 }
542
543 entry = g_new0(StatsResult, 1);
544 entry->provider = STATS_PROVIDER_CRYPTODEV;
545 entry->qom_path = object_get_canonical_path(obj);
546 entry->stats = stats_list;
547 QAPI_LIST_PREPEND(*stats_results, entry);
548
549 return 0;
550 }
551
cryptodev_backend_stats_cb(StatsResultList ** result,StatsTarget target,strList * names,strList * targets,Error ** errp)552 static void cryptodev_backend_stats_cb(StatsResultList **result,
553 StatsTarget target,
554 strList *names, strList *targets,
555 Error **errp)
556 {
557 switch (target) {
558 case STATS_TARGET_CRYPTODEV:
559 {
560 Object *objs = container_get(object_get_root(), "/objects");
561 StatsArgs stats_args;
562 stats_args.result.stats = result;
563 stats_args.names = names;
564 stats_args.errp = errp;
565
566 object_child_foreach(objs, cryptodev_backend_stats_query, &stats_args);
567 break;
568 }
569 default:
570 break;
571 }
572 }
573
cryptodev_backend_schemas_add(const char * name,StatsSchemaValueList * list)574 static StatsSchemaValueList *cryptodev_backend_schemas_add(const char *name,
575 StatsSchemaValueList *list)
576 {
577 StatsSchemaValueList *schema_entry = g_new0(StatsSchemaValueList, 1);
578
579 schema_entry->value = g_new0(StatsSchemaValue, 1);
580 schema_entry->value->type = STATS_TYPE_CUMULATIVE;
581 schema_entry->value->name = g_strdup(name);
582 schema_entry->next = list;
583
584 return schema_entry;
585 }
586
cryptodev_backend_schemas_cb(StatsSchemaList ** result,Error ** errp)587 static void cryptodev_backend_schemas_cb(StatsSchemaList **result,
588 Error **errp)
589 {
590 StatsSchemaValueList *stats_list = NULL;
591 const char *sym_stats[] = { SYM_ENCRYPT_OPS_STR, SYM_DECRYPT_OPS_STR,
592 SYM_ENCRYPT_BYTES_STR, SYM_DECRYPT_BYTES_STR };
593 const char *asym_stats[] = { ASYM_ENCRYPT_OPS_STR, ASYM_DECRYPT_OPS_STR,
594 ASYM_SIGN_OPS_STR, ASYM_VERIFY_OPS_STR,
595 ASYM_ENCRYPT_BYTES_STR, ASYM_DECRYPT_BYTES_STR,
596 ASYM_SIGN_BYTES_STR, ASYM_VERIFY_BYTES_STR };
597
598 for (int i = 0; i < ARRAY_SIZE(sym_stats); i++) {
599 stats_list = cryptodev_backend_schemas_add(sym_stats[i], stats_list);
600 }
601
602 for (int i = 0; i < ARRAY_SIZE(asym_stats); i++) {
603 stats_list = cryptodev_backend_schemas_add(asym_stats[i], stats_list);
604 }
605
606 add_stats_schema(result, STATS_PROVIDER_CRYPTODEV, STATS_TARGET_CRYPTODEV,
607 stats_list);
608 }
609
610 static void
cryptodev_backend_class_init(ObjectClass * oc,void * data)611 cryptodev_backend_class_init(ObjectClass *oc, void *data)
612 {
613 UserCreatableClass *ucc = USER_CREATABLE_CLASS(oc);
614
615 ucc->complete = cryptodev_backend_complete;
616 ucc->can_be_deleted = cryptodev_backend_can_be_deleted;
617
618 QTAILQ_INIT(&crypto_clients);
619 object_class_property_add(oc, "queues", "uint32",
620 cryptodev_backend_get_queues,
621 cryptodev_backend_set_queues,
622 NULL, NULL);
623 object_class_property_add(oc, "throttle-bps", "uint64",
624 cryptodev_backend_get_bps,
625 cryptodev_backend_set_bps,
626 NULL, NULL);
627 object_class_property_add(oc, "throttle-ops", "uint64",
628 cryptodev_backend_get_ops,
629 cryptodev_backend_set_ops,
630 NULL, NULL);
631
632 add_stats_callbacks(STATS_PROVIDER_CRYPTODEV, cryptodev_backend_stats_cb,
633 cryptodev_backend_schemas_cb);
634 }
635
636 static const TypeInfo cryptodev_backend_info = {
637 .name = TYPE_CRYPTODEV_BACKEND,
638 .parent = TYPE_OBJECT,
639 .instance_size = sizeof(CryptoDevBackend),
640 .instance_init = cryptodev_backend_instance_init,
641 .instance_finalize = cryptodev_backend_finalize,
642 .class_size = sizeof(CryptoDevBackendClass),
643 .class_init = cryptodev_backend_class_init,
644 .interfaces = (InterfaceInfo[]) {
645 { TYPE_USER_CREATABLE },
646 { }
647 }
648 };
649
650 static void
cryptodev_backend_register_types(void)651 cryptodev_backend_register_types(void)
652 {
653 type_register_static(&cryptodev_backend_info);
654 }
655
656 type_init(cryptodev_backend_register_types);
657