1
2
3
4
5#include <sys/types.h>
6#include <sys/queue.h>
7#include <ctype.h>
8#include <stdio.h>
9#include <stdlib.h>
10#include <string.h>
11#include <stdarg.h>
12#include <errno.h>
13#include <stdint.h>
14#include <inttypes.h>
15#include <netinet/in.h>
16
17#include <rte_byteorder.h>
18#include <rte_log.h>
19#include <rte_debug.h>
20#include <rte_dev.h>
21#include <rte_interrupts.h>
22#include <rte_memory.h>
23#include <rte_memcpy.h>
24#include <rte_memzone.h>
25#include <rte_launch.h>
26#include <rte_tailq.h>
27#include <rte_eal.h>
28#include <rte_per_lcore.h>
29#include <rte_lcore.h>
30#include <rte_atomic.h>
31#include <rte_branch_prediction.h>
32#include <rte_common.h>
33#include <rte_mempool.h>
34#include <rte_malloc.h>
35#include <rte_mbuf.h>
36#include <rte_errno.h>
37#include <rte_spinlock.h>
38#include <rte_string_fns.h>
39#include <rte_compat.h>
40#include <rte_function_versioning.h>
41
42#include "rte_crypto.h"
43#include "rte_cryptodev.h"
44#include "rte_cryptodev_pmd.h"
45#include "rte_cryptodev_trace.h"
46
47static uint8_t nb_drivers;
48
49static struct rte_cryptodev rte_crypto_devices[RTE_CRYPTO_MAX_DEVS];
50
51struct rte_cryptodev *rte_cryptodevs = rte_crypto_devices;
52
53static struct rte_cryptodev_global cryptodev_globals = {
54 .devs = rte_crypto_devices,
55 .data = { NULL },
56 .nb_devs = 0
57};
58
59
60static rte_spinlock_t rte_cryptodev_cb_lock = RTE_SPINLOCK_INITIALIZER;
61
62static const struct rte_cryptodev_capabilities
63 cryptodev_undefined_capabilities[] = {
64 RTE_CRYPTODEV_END_OF_CAPABILITIES_LIST()
65};
66
67static struct rte_cryptodev_capabilities
68 *capability_copy[RTE_CRYPTO_MAX_DEVS];
69static uint8_t is_capability_checked[RTE_CRYPTO_MAX_DEVS];
70
71
72
73
74
75
76
77struct rte_cryptodev_callback {
78 TAILQ_ENTRY(rte_cryptodev_callback) next;
79 rte_cryptodev_cb_fn cb_fn;
80 void *cb_arg;
81 enum rte_cryptodev_event_type event;
82 uint32_t active;
83};
84
85
86
87
88
89const char *
90rte_crypto_cipher_algorithm_strings[] = {
91 [RTE_CRYPTO_CIPHER_3DES_CBC] = "3des-cbc",
92 [RTE_CRYPTO_CIPHER_3DES_ECB] = "3des-ecb",
93 [RTE_CRYPTO_CIPHER_3DES_CTR] = "3des-ctr",
94
95 [RTE_CRYPTO_CIPHER_AES_CBC] = "aes-cbc",
96 [RTE_CRYPTO_CIPHER_AES_CTR] = "aes-ctr",
97 [RTE_CRYPTO_CIPHER_AES_DOCSISBPI] = "aes-docsisbpi",
98 [RTE_CRYPTO_CIPHER_AES_ECB] = "aes-ecb",
99 [RTE_CRYPTO_CIPHER_AES_F8] = "aes-f8",
100 [RTE_CRYPTO_CIPHER_AES_XTS] = "aes-xts",
101
102 [RTE_CRYPTO_CIPHER_ARC4] = "arc4",
103
104 [RTE_CRYPTO_CIPHER_DES_CBC] = "des-cbc",
105 [RTE_CRYPTO_CIPHER_DES_DOCSISBPI] = "des-docsisbpi",
106
107 [RTE_CRYPTO_CIPHER_NULL] = "null",
108
109 [RTE_CRYPTO_CIPHER_KASUMI_F8] = "kasumi-f8",
110 [RTE_CRYPTO_CIPHER_SNOW3G_UEA2] = "snow3g-uea2",
111 [RTE_CRYPTO_CIPHER_ZUC_EEA3] = "zuc-eea3"
112};
113
114
115
116
117
118const char *
119rte_crypto_cipher_operation_strings[] = {
120 [RTE_CRYPTO_CIPHER_OP_ENCRYPT] = "encrypt",
121 [RTE_CRYPTO_CIPHER_OP_DECRYPT] = "decrypt"
122};
123
124
125
126
127
128const char *
129rte_crypto_auth_algorithm_strings[] = {
130 [RTE_CRYPTO_AUTH_AES_CBC_MAC] = "aes-cbc-mac",
131 [RTE_CRYPTO_AUTH_AES_CMAC] = "aes-cmac",
132 [RTE_CRYPTO_AUTH_AES_GMAC] = "aes-gmac",
133 [RTE_CRYPTO_AUTH_AES_XCBC_MAC] = "aes-xcbc-mac",
134
135 [RTE_CRYPTO_AUTH_MD5] = "md5",
136 [RTE_CRYPTO_AUTH_MD5_HMAC] = "md5-hmac",
137
138 [RTE_CRYPTO_AUTH_NULL] = "null",
139
140 [RTE_CRYPTO_AUTH_SHA1] = "sha1",
141 [RTE_CRYPTO_AUTH_SHA1_HMAC] = "sha1-hmac",
142
143 [RTE_CRYPTO_AUTH_SHA224] = "sha2-224",
144 [RTE_CRYPTO_AUTH_SHA224_HMAC] = "sha2-224-hmac",
145 [RTE_CRYPTO_AUTH_SHA256] = "sha2-256",
146 [RTE_CRYPTO_AUTH_SHA256_HMAC] = "sha2-256-hmac",
147 [RTE_CRYPTO_AUTH_SHA384] = "sha2-384",
148 [RTE_CRYPTO_AUTH_SHA384_HMAC] = "sha2-384-hmac",
149 [RTE_CRYPTO_AUTH_SHA512] = "sha2-512",
150 [RTE_CRYPTO_AUTH_SHA512_HMAC] = "sha2-512-hmac",
151
152 [RTE_CRYPTO_AUTH_KASUMI_F9] = "kasumi-f9",
153 [RTE_CRYPTO_AUTH_SNOW3G_UIA2] = "snow3g-uia2",
154 [RTE_CRYPTO_AUTH_ZUC_EIA3] = "zuc-eia3"
155};
156
157
158
159
160
161const char *
162rte_crypto_aead_algorithm_strings[] = {
163 [RTE_CRYPTO_AEAD_AES_CCM] = "aes-ccm",
164 [RTE_CRYPTO_AEAD_AES_GCM] = "aes-gcm",
165 [RTE_CRYPTO_AEAD_CHACHA20_POLY1305] = "chacha20-poly1305"
166};
167
168
169
170
171
172const char *
173rte_crypto_aead_operation_strings[] = {
174 [RTE_CRYPTO_AEAD_OP_ENCRYPT] = "encrypt",
175 [RTE_CRYPTO_AEAD_OP_DECRYPT] = "decrypt"
176};
177
178
179
180
181const char *rte_crypto_asym_xform_strings[] = {
182 [RTE_CRYPTO_ASYM_XFORM_NONE] = "none",
183 [RTE_CRYPTO_ASYM_XFORM_RSA] = "rsa",
184 [RTE_CRYPTO_ASYM_XFORM_MODEX] = "modexp",
185 [RTE_CRYPTO_ASYM_XFORM_MODINV] = "modinv",
186 [RTE_CRYPTO_ASYM_XFORM_DH] = "dh",
187 [RTE_CRYPTO_ASYM_XFORM_DSA] = "dsa",
188 [RTE_CRYPTO_ASYM_XFORM_ECDSA] = "ecdsa",
189 [RTE_CRYPTO_ASYM_XFORM_ECPM] = "ecpm",
190};
191
192
193
194
195const char *rte_crypto_asym_op_strings[] = {
196 [RTE_CRYPTO_ASYM_OP_ENCRYPT] = "encrypt",
197 [RTE_CRYPTO_ASYM_OP_DECRYPT] = "decrypt",
198 [RTE_CRYPTO_ASYM_OP_SIGN] = "sign",
199 [RTE_CRYPTO_ASYM_OP_VERIFY] = "verify",
200 [RTE_CRYPTO_ASYM_OP_PRIVATE_KEY_GENERATE] = "priv_key_generate",
201 [RTE_CRYPTO_ASYM_OP_PUBLIC_KEY_GENERATE] = "pub_key_generate",
202 [RTE_CRYPTO_ASYM_OP_SHARED_SECRET_COMPUTE] = "sharedsecret_compute",
203};
204
205
206
207
208struct rte_cryptodev_sym_session_pool_private_data {
209 uint16_t nb_drivers;
210
211 uint16_t user_data_sz;
212
213};
214
215int
216rte_cryptodev_get_cipher_algo_enum(enum rte_crypto_cipher_algorithm *algo_enum,
217 const char *algo_string)
218{
219 unsigned int i;
220
221 for (i = 1; i < RTE_DIM(rte_crypto_cipher_algorithm_strings); i++) {
222 if (strcmp(algo_string, rte_crypto_cipher_algorithm_strings[i]) == 0) {
223 *algo_enum = (enum rte_crypto_cipher_algorithm) i;
224 return 0;
225 }
226 }
227
228
229 return -1;
230}
231
232int
233rte_cryptodev_get_auth_algo_enum(enum rte_crypto_auth_algorithm *algo_enum,
234 const char *algo_string)
235{
236 unsigned int i;
237
238 for (i = 1; i < RTE_DIM(rte_crypto_auth_algorithm_strings); i++) {
239 if (strcmp(algo_string, rte_crypto_auth_algorithm_strings[i]) == 0) {
240 *algo_enum = (enum rte_crypto_auth_algorithm) i;
241 return 0;
242 }
243 }
244
245
246 return -1;
247}
248
249int
250rte_cryptodev_get_aead_algo_enum(enum rte_crypto_aead_algorithm *algo_enum,
251 const char *algo_string)
252{
253 unsigned int i;
254
255 for (i = 1; i < RTE_DIM(rte_crypto_aead_algorithm_strings); i++) {
256 if (strcmp(algo_string, rte_crypto_aead_algorithm_strings[i]) == 0) {
257 *algo_enum = (enum rte_crypto_aead_algorithm) i;
258 return 0;
259 }
260 }
261
262
263 return -1;
264}
265
266int
267rte_cryptodev_asym_get_xform_enum(enum rte_crypto_asym_xform_type *xform_enum,
268 const char *xform_string)
269{
270 unsigned int i;
271
272 for (i = 1; i < RTE_DIM(rte_crypto_asym_xform_strings); i++) {
273 if (strcmp(xform_string,
274 rte_crypto_asym_xform_strings[i]) == 0) {
275 *xform_enum = (enum rte_crypto_asym_xform_type) i;
276 return 0;
277 }
278 }
279
280
281 return -1;
282}
283
284
285
286
287
288const char *
289rte_crypto_auth_operation_strings[] = {
290 [RTE_CRYPTO_AUTH_OP_VERIFY] = "verify",
291 [RTE_CRYPTO_AUTH_OP_GENERATE] = "generate"
292};
293
294const struct rte_cryptodev_symmetric_capability __vsym *
295rte_cryptodev_sym_capability_get_v20(uint8_t dev_id,
296 const struct rte_cryptodev_sym_capability_idx *idx)
297{
298 const struct rte_cryptodev_capabilities *capability;
299 struct rte_cryptodev_info dev_info;
300 int i = 0;
301
302 rte_cryptodev_info_get_v20(dev_id, &dev_info);
303
304 while ((capability = &dev_info.capabilities[i++])->op !=
305 RTE_CRYPTO_OP_TYPE_UNDEFINED) {
306 if (capability->op != RTE_CRYPTO_OP_TYPE_SYMMETRIC)
307 continue;
308
309 if (capability->sym.xform_type != idx->type)
310 continue;
311
312 if (idx->type == RTE_CRYPTO_SYM_XFORM_AUTH &&
313 capability->sym.auth.algo == idx->algo.auth)
314 return &capability->sym;
315
316 if (idx->type == RTE_CRYPTO_SYM_XFORM_CIPHER &&
317 capability->sym.cipher.algo == idx->algo.cipher)
318 return &capability->sym;
319
320 if (idx->type == RTE_CRYPTO_SYM_XFORM_AEAD &&
321 capability->sym.aead.algo == idx->algo.aead)
322 return &capability->sym;
323 }
324
325 return NULL;
326}
327VERSION_SYMBOL(rte_cryptodev_sym_capability_get, _v20, 20.0);
328
329const struct rte_cryptodev_symmetric_capability __vsym *
330rte_cryptodev_sym_capability_get_v21(uint8_t dev_id,
331 const struct rte_cryptodev_sym_capability_idx *idx)
332{
333 const struct rte_cryptodev_capabilities *capability;
334 struct rte_cryptodev_info dev_info;
335 int i = 0;
336
337 rte_cryptodev_info_get(dev_id, &dev_info);
338
339 while ((capability = &dev_info.capabilities[i++])->op !=
340 RTE_CRYPTO_OP_TYPE_UNDEFINED) {
341 if (capability->op != RTE_CRYPTO_OP_TYPE_SYMMETRIC)
342 continue;
343
344 if (capability->sym.xform_type != idx->type)
345 continue;
346
347 if (idx->type == RTE_CRYPTO_SYM_XFORM_AUTH &&
348 capability->sym.auth.algo == idx->algo.auth)
349 return &capability->sym;
350
351 if (idx->type == RTE_CRYPTO_SYM_XFORM_CIPHER &&
352 capability->sym.cipher.algo == idx->algo.cipher)
353 return &capability->sym;
354
355 if (idx->type == RTE_CRYPTO_SYM_XFORM_AEAD &&
356 capability->sym.aead.algo == idx->algo.aead)
357 return &capability->sym;
358 }
359
360 return NULL;
361}
362MAP_STATIC_SYMBOL(const struct rte_cryptodev_symmetric_capability *
363 rte_cryptodev_sym_capability_get(uint8_t dev_id,
364 const struct rte_cryptodev_sym_capability_idx *idx),
365 rte_cryptodev_sym_capability_get_v21);
366BIND_DEFAULT_SYMBOL(rte_cryptodev_sym_capability_get, _v21, 21);
367
368static int
369param_range_check(uint16_t size, const struct rte_crypto_param_range *range)
370{
371 unsigned int next_size;
372
373
374 if (size < range->min)
375 return -1;
376
377 if (size > range->max)
378 return -1;
379
380
381 if (range->increment == 0)
382 return 0;
383
384
385 for (next_size = range->min; next_size <= range->max;
386 next_size += range->increment)
387 if (size == next_size)
388 return 0;
389
390 return -1;
391}
392
393const struct rte_cryptodev_asymmetric_xform_capability *
394rte_cryptodev_asym_capability_get(uint8_t dev_id,
395 const struct rte_cryptodev_asym_capability_idx *idx)
396{
397 const struct rte_cryptodev_capabilities *capability;
398 struct rte_cryptodev_info dev_info;
399 unsigned int i = 0;
400
401 memset(&dev_info, 0, sizeof(struct rte_cryptodev_info));
402 rte_cryptodev_info_get(dev_id, &dev_info);
403
404 while ((capability = &dev_info.capabilities[i++])->op !=
405 RTE_CRYPTO_OP_TYPE_UNDEFINED) {
406 if (capability->op != RTE_CRYPTO_OP_TYPE_ASYMMETRIC)
407 continue;
408
409 if (capability->asym.xform_capa.xform_type == idx->type)
410 return &capability->asym.xform_capa;
411 }
412 return NULL;
413};
414
415int
416rte_cryptodev_sym_capability_check_cipher(
417 const struct rte_cryptodev_symmetric_capability *capability,
418 uint16_t key_size, uint16_t iv_size)
419{
420 if (param_range_check(key_size, &capability->cipher.key_size) != 0)
421 return -1;
422
423 if (param_range_check(iv_size, &capability->cipher.iv_size) != 0)
424 return -1;
425
426 return 0;
427}
428
429int
430rte_cryptodev_sym_capability_check_auth(
431 const struct rte_cryptodev_symmetric_capability *capability,
432 uint16_t key_size, uint16_t digest_size, uint16_t iv_size)
433{
434 if (param_range_check(key_size, &capability->auth.key_size) != 0)
435 return -1;
436
437 if (param_range_check(digest_size, &capability->auth.digest_size) != 0)
438 return -1;
439
440 if (param_range_check(iv_size, &capability->auth.iv_size) != 0)
441 return -1;
442
443 return 0;
444}
445
446int
447rte_cryptodev_sym_capability_check_aead(
448 const struct rte_cryptodev_symmetric_capability *capability,
449 uint16_t key_size, uint16_t digest_size, uint16_t aad_size,
450 uint16_t iv_size)
451{
452 if (param_range_check(key_size, &capability->aead.key_size) != 0)
453 return -1;
454
455 if (param_range_check(digest_size, &capability->aead.digest_size) != 0)
456 return -1;
457
458 if (param_range_check(aad_size, &capability->aead.aad_size) != 0)
459 return -1;
460
461 if (param_range_check(iv_size, &capability->aead.iv_size) != 0)
462 return -1;
463
464 return 0;
465}
466int
467rte_cryptodev_asym_xform_capability_check_optype(
468 const struct rte_cryptodev_asymmetric_xform_capability *capability,
469 enum rte_crypto_asym_op_type op_type)
470{
471 if (capability->op_types & (1 << op_type))
472 return 1;
473
474 return 0;
475}
476
477int
478rte_cryptodev_asym_xform_capability_check_modlen(
479 const struct rte_cryptodev_asymmetric_xform_capability *capability,
480 uint16_t modlen)
481{
482
483 if (capability->modlen.min != 0) {
484 if (modlen < capability->modlen.min)
485 return -1;
486 }
487
488 if (capability->modlen.max != 0) {
489 if (modlen > capability->modlen.max)
490 return -1;
491 }
492
493
494 if (capability->modlen.increment != 0) {
495 if (modlen % (capability->modlen.increment))
496 return -1;
497 }
498
499 return 0;
500}
501
502
503const char *
504rte_cryptodev_get_feature_name(uint64_t flag)
505{
506 switch (flag) {
507 case RTE_CRYPTODEV_FF_SYMMETRIC_CRYPTO:
508 return "SYMMETRIC_CRYPTO";
509 case RTE_CRYPTODEV_FF_ASYMMETRIC_CRYPTO:
510 return "ASYMMETRIC_CRYPTO";
511 case RTE_CRYPTODEV_FF_SYM_OPERATION_CHAINING:
512 return "SYM_OPERATION_CHAINING";
513 case RTE_CRYPTODEV_FF_CPU_SSE:
514 return "CPU_SSE";
515 case RTE_CRYPTODEV_FF_CPU_AVX:
516 return "CPU_AVX";
517 case RTE_CRYPTODEV_FF_CPU_AVX2:
518 return "CPU_AVX2";
519 case RTE_CRYPTODEV_FF_CPU_AVX512:
520 return "CPU_AVX512";
521 case RTE_CRYPTODEV_FF_CPU_AESNI:
522 return "CPU_AESNI";
523 case RTE_CRYPTODEV_FF_HW_ACCELERATED:
524 return "HW_ACCELERATED";
525 case RTE_CRYPTODEV_FF_IN_PLACE_SGL:
526 return "IN_PLACE_SGL";
527 case RTE_CRYPTODEV_FF_OOP_SGL_IN_SGL_OUT:
528 return "OOP_SGL_IN_SGL_OUT";
529 case RTE_CRYPTODEV_FF_OOP_SGL_IN_LB_OUT:
530 return "OOP_SGL_IN_LB_OUT";
531 case RTE_CRYPTODEV_FF_OOP_LB_IN_SGL_OUT:
532 return "OOP_LB_IN_SGL_OUT";
533 case RTE_CRYPTODEV_FF_OOP_LB_IN_LB_OUT:
534 return "OOP_LB_IN_LB_OUT";
535 case RTE_CRYPTODEV_FF_CPU_NEON:
536 return "CPU_NEON";
537 case RTE_CRYPTODEV_FF_CPU_ARM_CE:
538 return "CPU_ARM_CE";
539 case RTE_CRYPTODEV_FF_SECURITY:
540 return "SECURITY_PROTOCOL";
541 case RTE_CRYPTODEV_FF_RSA_PRIV_OP_KEY_EXP:
542 return "RSA_PRIV_OP_KEY_EXP";
543 case RTE_CRYPTODEV_FF_RSA_PRIV_OP_KEY_QT:
544 return "RSA_PRIV_OP_KEY_QT";
545 case RTE_CRYPTODEV_FF_DIGEST_ENCRYPTED:
546 return "DIGEST_ENCRYPTED";
547 case RTE_CRYPTODEV_FF_SYM_CPU_CRYPTO:
548 return "SYM_CPU_CRYPTO";
549 case RTE_CRYPTODEV_FF_ASYM_SESSIONLESS:
550 return "ASYM_SESSIONLESS";
551 case RTE_CRYPTODEV_FF_SYM_SESSIONLESS:
552 return "SYM_SESSIONLESS";
553 case RTE_CRYPTODEV_FF_NON_BYTE_ALIGNED_DATA:
554 return "NON_BYTE_ALIGNED_DATA";
555 default:
556 return NULL;
557 }
558}
559
560struct rte_cryptodev *
561rte_cryptodev_pmd_get_dev(uint8_t dev_id)
562{
563 return &cryptodev_globals.devs[dev_id];
564}
565
566struct rte_cryptodev *
567rte_cryptodev_pmd_get_named_dev(const char *name)
568{
569 struct rte_cryptodev *dev;
570 unsigned int i;
571
572 if (name == NULL)
573 return NULL;
574
575 for (i = 0; i < RTE_CRYPTO_MAX_DEVS; i++) {
576 dev = &cryptodev_globals.devs[i];
577
578 if ((dev->attached == RTE_CRYPTODEV_ATTACHED) &&
579 (strcmp(dev->data->name, name) == 0))
580 return dev;
581 }
582
583 return NULL;
584}
585
586static inline uint8_t
587rte_cryptodev_is_valid_device_data(uint8_t dev_id)
588{
589 if (dev_id >= RTE_CRYPTO_MAX_DEVS ||
590 rte_crypto_devices[dev_id].data == NULL)
591 return 0;
592
593 return 1;
594}
595
596unsigned int
597rte_cryptodev_pmd_is_valid_dev(uint8_t dev_id)
598{
599 struct rte_cryptodev *dev = NULL;
600
601 if (!rte_cryptodev_is_valid_device_data(dev_id))
602 return 0;
603
604 dev = rte_cryptodev_pmd_get_dev(dev_id);
605 if (dev->attached != RTE_CRYPTODEV_ATTACHED)
606 return 0;
607 else
608 return 1;
609}
610
611
612int
613rte_cryptodev_get_dev_id(const char *name)
614{
615 unsigned i;
616
617 if (name == NULL)
618 return -1;
619
620 for (i = 0; i < RTE_CRYPTO_MAX_DEVS; i++) {
621 if (!rte_cryptodev_is_valid_device_data(i))
622 continue;
623 if ((strcmp(cryptodev_globals.devs[i].data->name, name)
624 == 0) &&
625 (cryptodev_globals.devs[i].attached ==
626 RTE_CRYPTODEV_ATTACHED))
627 return i;
628 }
629
630 return -1;
631}
632
633uint8_t
634rte_cryptodev_count(void)
635{
636 return cryptodev_globals.nb_devs;
637}
638
639uint8_t
640rte_cryptodev_device_count_by_driver(uint8_t driver_id)
641{
642 uint8_t i, dev_count = 0;
643
644 for (i = 0; i < RTE_CRYPTO_MAX_DEVS; i++)
645 if (cryptodev_globals.devs[i].driver_id == driver_id &&
646 cryptodev_globals.devs[i].attached ==
647 RTE_CRYPTODEV_ATTACHED)
648 dev_count++;
649
650 return dev_count;
651}
652
653uint8_t
654rte_cryptodev_devices_get(const char *driver_name, uint8_t *devices,
655 uint8_t nb_devices)
656{
657 uint8_t i, count = 0;
658 struct rte_cryptodev *devs = cryptodev_globals.devs;
659
660 for (i = 0; i < RTE_CRYPTO_MAX_DEVS && count < nb_devices; i++) {
661 if (!rte_cryptodev_is_valid_device_data(i))
662 continue;
663
664 if (devs[i].attached == RTE_CRYPTODEV_ATTACHED) {
665 int cmp;
666
667 cmp = strncmp(devs[i].device->driver->name,
668 driver_name,
669 strlen(driver_name) + 1);
670
671 if (cmp == 0)
672 devices[count++] = devs[i].data->dev_id;
673 }
674 }
675
676 return count;
677}
678
679void *
680rte_cryptodev_get_sec_ctx(uint8_t dev_id)
681{
682 if (dev_id < RTE_CRYPTO_MAX_DEVS &&
683 (rte_crypto_devices[dev_id].feature_flags &
684 RTE_CRYPTODEV_FF_SECURITY))
685 return rte_crypto_devices[dev_id].security_ctx;
686
687 return NULL;
688}
689
690int
691rte_cryptodev_socket_id(uint8_t dev_id)
692{
693 struct rte_cryptodev *dev;
694
695 if (!rte_cryptodev_pmd_is_valid_dev(dev_id))
696 return -1;
697
698 dev = rte_cryptodev_pmd_get_dev(dev_id);
699
700 return dev->data->socket_id;
701}
702
703static inline int
704rte_cryptodev_data_alloc(uint8_t dev_id, struct rte_cryptodev_data **data,
705 int socket_id)
706{
707 char mz_name[RTE_MEMZONE_NAMESIZE];
708 const struct rte_memzone *mz;
709 int n;
710
711
712 n = snprintf(mz_name, sizeof(mz_name), "rte_cryptodev_data_%u", dev_id);
713 if (n >= (int)sizeof(mz_name))
714 return -EINVAL;
715
716 if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
717 mz = rte_memzone_reserve(mz_name,
718 sizeof(struct rte_cryptodev_data),
719 socket_id, 0);
720 CDEV_LOG_DEBUG("PRIMARY:reserved memzone for %s (%p)",
721 mz_name, mz);
722 } else {
723 mz = rte_memzone_lookup(mz_name);
724 CDEV_LOG_DEBUG("SECONDARY:looked up memzone for %s (%p)",
725 mz_name, mz);
726 }
727
728 if (mz == NULL)
729 return -ENOMEM;
730
731 *data = mz->addr;
732 if (rte_eal_process_type() == RTE_PROC_PRIMARY)
733 memset(*data, 0, sizeof(struct rte_cryptodev_data));
734
735 return 0;
736}
737
738static inline int
739rte_cryptodev_data_free(uint8_t dev_id, struct rte_cryptodev_data **data)
740{
741 char mz_name[RTE_MEMZONE_NAMESIZE];
742 const struct rte_memzone *mz;
743 int n;
744
745
746 n = snprintf(mz_name, sizeof(mz_name), "rte_cryptodev_data_%u", dev_id);
747 if (n >= (int)sizeof(mz_name))
748 return -EINVAL;
749
750 mz = rte_memzone_lookup(mz_name);
751 if (mz == NULL)
752 return -ENOMEM;
753
754 RTE_ASSERT(*data == mz->addr);
755 *data = NULL;
756
757 if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
758 CDEV_LOG_DEBUG("PRIMARY:free memzone of %s (%p)",
759 mz_name, mz);
760 return rte_memzone_free(mz);
761 } else {
762 CDEV_LOG_DEBUG("SECONDARY:don't free memzone of %s (%p)",
763 mz_name, mz);
764 }
765
766 return 0;
767}
768
769static uint8_t
770rte_cryptodev_find_free_device_index(void)
771{
772 uint8_t dev_id;
773
774 for (dev_id = 0; dev_id < RTE_CRYPTO_MAX_DEVS; dev_id++) {
775 if (rte_crypto_devices[dev_id].attached ==
776 RTE_CRYPTODEV_DETACHED)
777 return dev_id;
778 }
779 return RTE_CRYPTO_MAX_DEVS;
780}
781
782struct rte_cryptodev *
783rte_cryptodev_pmd_allocate(const char *name, int socket_id)
784{
785 struct rte_cryptodev *cryptodev;
786 uint8_t dev_id;
787
788 if (rte_cryptodev_pmd_get_named_dev(name) != NULL) {
789 CDEV_LOG_ERR("Crypto device with name %s already "
790 "allocated!", name);
791 return NULL;
792 }
793
794 dev_id = rte_cryptodev_find_free_device_index();
795 if (dev_id == RTE_CRYPTO_MAX_DEVS) {
796 CDEV_LOG_ERR("Reached maximum number of crypto devices");
797 return NULL;
798 }
799
800 cryptodev = rte_cryptodev_pmd_get_dev(dev_id);
801
802 if (cryptodev->data == NULL) {
803 struct rte_cryptodev_data **cryptodev_data =
804 &cryptodev_globals.data[dev_id];
805
806 int retval = rte_cryptodev_data_alloc(dev_id, cryptodev_data,
807 socket_id);
808
809 if (retval < 0 || *cryptodev_data == NULL)
810 return NULL;
811
812 cryptodev->data = *cryptodev_data;
813
814 if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
815 strlcpy(cryptodev->data->name, name,
816 RTE_CRYPTODEV_NAME_MAX_LEN);
817
818 cryptodev->data->dev_id = dev_id;
819 cryptodev->data->socket_id = socket_id;
820 cryptodev->data->dev_started = 0;
821 CDEV_LOG_DEBUG("PRIMARY:init data");
822 }
823
824 CDEV_LOG_DEBUG("Data for %s: dev_id %d, socket %d, started %d",
825 cryptodev->data->name,
826 cryptodev->data->dev_id,
827 cryptodev->data->socket_id,
828 cryptodev->data->dev_started);
829
830
831 TAILQ_INIT(&(cryptodev->link_intr_cbs));
832
833 cryptodev->attached = RTE_CRYPTODEV_ATTACHED;
834
835 cryptodev_globals.nb_devs++;
836 }
837
838 return cryptodev;
839}
840
841int
842rte_cryptodev_pmd_release_device(struct rte_cryptodev *cryptodev)
843{
844 int ret;
845 uint8_t dev_id;
846
847 if (cryptodev == NULL)
848 return -EINVAL;
849
850 dev_id = cryptodev->data->dev_id;
851
852
853 if (cryptodev->dev_ops) {
854 ret = rte_cryptodev_close(dev_id);
855 if (ret < 0)
856 return ret;
857 }
858
859 ret = rte_cryptodev_data_free(dev_id, &cryptodev_globals.data[dev_id]);
860 if (ret < 0)
861 return ret;
862
863 cryptodev->attached = RTE_CRYPTODEV_DETACHED;
864 cryptodev_globals.nb_devs--;
865 return 0;
866}
867
868uint16_t
869rte_cryptodev_queue_pair_count(uint8_t dev_id)
870{
871 struct rte_cryptodev *dev;
872
873 if (!rte_cryptodev_is_valid_device_data(dev_id)) {
874 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
875 return 0;
876 }
877
878 dev = &rte_crypto_devices[dev_id];
879 return dev->data->nb_queue_pairs;
880}
881
882static int
883rte_cryptodev_queue_pairs_config(struct rte_cryptodev *dev, uint16_t nb_qpairs,
884 int socket_id)
885{
886 struct rte_cryptodev_info dev_info;
887 void **qp;
888 unsigned i;
889
890 if ((dev == NULL) || (nb_qpairs < 1)) {
891 CDEV_LOG_ERR("invalid param: dev %p, nb_queues %u",
892 dev, nb_qpairs);
893 return -EINVAL;
894 }
895
896 CDEV_LOG_DEBUG("Setup %d queues pairs on device %u",
897 nb_qpairs, dev->data->dev_id);
898
899 memset(&dev_info, 0, sizeof(struct rte_cryptodev_info));
900
901 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_infos_get, -ENOTSUP);
902 (*dev->dev_ops->dev_infos_get)(dev, &dev_info);
903
904 if (nb_qpairs > (dev_info.max_nb_queue_pairs)) {
905 CDEV_LOG_ERR("Invalid num queue_pairs (%u) for dev %u",
906 nb_qpairs, dev->data->dev_id);
907 return -EINVAL;
908 }
909
910 if (dev->data->queue_pairs == NULL) {
911 dev->data->queue_pairs = rte_zmalloc_socket(
912 "cryptodev->queue_pairs",
913 sizeof(dev->data->queue_pairs[0]) * nb_qpairs,
914 RTE_CACHE_LINE_SIZE, socket_id);
915
916 if (dev->data->queue_pairs == NULL) {
917 dev->data->nb_queue_pairs = 0;
918 CDEV_LOG_ERR("failed to get memory for qp meta data, "
919 "nb_queues %u",
920 nb_qpairs);
921 return -(ENOMEM);
922 }
923 } else {
924 int ret;
925 uint16_t old_nb_queues = dev->data->nb_queue_pairs;
926
927 qp = dev->data->queue_pairs;
928
929 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->queue_pair_release,
930 -ENOTSUP);
931
932 for (i = nb_qpairs; i < old_nb_queues; i++) {
933 ret = (*dev->dev_ops->queue_pair_release)(dev, i);
934 if (ret < 0)
935 return ret;
936 }
937
938 qp = rte_realloc(qp, sizeof(qp[0]) * nb_qpairs,
939 RTE_CACHE_LINE_SIZE);
940 if (qp == NULL) {
941 CDEV_LOG_ERR("failed to realloc qp meta data,"
942 " nb_queues %u", nb_qpairs);
943 return -(ENOMEM);
944 }
945
946 if (nb_qpairs > old_nb_queues) {
947 uint16_t new_qs = nb_qpairs - old_nb_queues;
948
949 memset(qp + old_nb_queues, 0,
950 sizeof(qp[0]) * new_qs);
951 }
952
953 dev->data->queue_pairs = qp;
954
955 }
956 dev->data->nb_queue_pairs = nb_qpairs;
957 return 0;
958}
959
960int
961rte_cryptodev_configure(uint8_t dev_id, struct rte_cryptodev_config *config)
962{
963 struct rte_cryptodev *dev;
964 int diag;
965
966 if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
967 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
968 return -EINVAL;
969 }
970
971 dev = &rte_crypto_devices[dev_id];
972
973 if (dev->data->dev_started) {
974 CDEV_LOG_ERR(
975 "device %d must be stopped to allow configuration", dev_id);
976 return -EBUSY;
977 }
978
979 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_configure, -ENOTSUP);
980
981
982 diag = rte_cryptodev_queue_pairs_config(dev, config->nb_queue_pairs,
983 config->socket_id);
984 if (diag != 0) {
985 CDEV_LOG_ERR("dev%d rte_crypto_dev_queue_pairs_config = %d",
986 dev_id, diag);
987 return diag;
988 }
989
990 rte_cryptodev_trace_configure(dev_id, config);
991 return (*dev->dev_ops->dev_configure)(dev, config);
992}
993
994
995int
996rte_cryptodev_start(uint8_t dev_id)
997{
998 struct rte_cryptodev *dev;
999 int diag;
1000
1001 CDEV_LOG_DEBUG("Start dev_id=%" PRIu8, dev_id);
1002
1003 if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
1004 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
1005 return -EINVAL;
1006 }
1007
1008 dev = &rte_crypto_devices[dev_id];
1009
1010 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_start, -ENOTSUP);
1011
1012 if (dev->data->dev_started != 0) {
1013 CDEV_LOG_ERR("Device with dev_id=%" PRIu8 " already started",
1014 dev_id);
1015 return 0;
1016 }
1017
1018 diag = (*dev->dev_ops->dev_start)(dev);
1019 rte_cryptodev_trace_start(dev_id, diag);
1020 if (diag == 0)
1021 dev->data->dev_started = 1;
1022 else
1023 return diag;
1024
1025 return 0;
1026}
1027
1028void
1029rte_cryptodev_stop(uint8_t dev_id)
1030{
1031 struct rte_cryptodev *dev;
1032
1033 if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
1034 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
1035 return;
1036 }
1037
1038 dev = &rte_crypto_devices[dev_id];
1039
1040 RTE_FUNC_PTR_OR_RET(*dev->dev_ops->dev_stop);
1041
1042 if (dev->data->dev_started == 0) {
1043 CDEV_LOG_ERR("Device with dev_id=%" PRIu8 " already stopped",
1044 dev_id);
1045 return;
1046 }
1047
1048 (*dev->dev_ops->dev_stop)(dev);
1049 rte_cryptodev_trace_stop(dev_id);
1050 dev->data->dev_started = 0;
1051}
1052
1053int
1054rte_cryptodev_close(uint8_t dev_id)
1055{
1056 struct rte_cryptodev *dev;
1057 int retval;
1058
1059 if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
1060 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
1061 return -1;
1062 }
1063
1064 dev = &rte_crypto_devices[dev_id];
1065
1066
1067 if (dev->data->dev_started == 1) {
1068 CDEV_LOG_ERR("Device %u must be stopped before closing",
1069 dev_id);
1070 return -EBUSY;
1071 }
1072
1073
1074 if (dev->data->session_pool != NULL) {
1075 if (!rte_mempool_full(dev->data->session_pool)) {
1076 CDEV_LOG_ERR("dev_id=%u close failed, session mempool "
1077 "has sessions still in use, free "
1078 "all sessions before calling close",
1079 (unsigned)dev_id);
1080 return -EBUSY;
1081 }
1082 }
1083
1084 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_close, -ENOTSUP);
1085 retval = (*dev->dev_ops->dev_close)(dev);
1086 rte_cryptodev_trace_close(dev_id, retval);
1087
1088 if (capability_copy[dev_id]) {
1089 free(capability_copy[dev_id]);
1090 capability_copy[dev_id] = NULL;
1091 }
1092 is_capability_checked[dev_id] = 0;
1093
1094 if (retval < 0)
1095 return retval;
1096
1097 return 0;
1098}
1099
1100int
1101rte_cryptodev_get_qp_status(uint8_t dev_id, uint16_t queue_pair_id)
1102{
1103 struct rte_cryptodev *dev;
1104
1105 if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
1106 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
1107 return -EINVAL;
1108 }
1109
1110 dev = &rte_crypto_devices[dev_id];
1111 if (queue_pair_id >= dev->data->nb_queue_pairs) {
1112 CDEV_LOG_ERR("Invalid queue_pair_id=%d", queue_pair_id);
1113 return -EINVAL;
1114 }
1115 void **qps = dev->data->queue_pairs;
1116
1117 if (qps[queue_pair_id]) {
1118 CDEV_LOG_DEBUG("qp %d on dev %d is initialised",
1119 queue_pair_id, dev_id);
1120 return 1;
1121 }
1122
1123 CDEV_LOG_DEBUG("qp %d on dev %d is not initialised",
1124 queue_pair_id, dev_id);
1125
1126 return 0;
1127}
1128
1129int
1130rte_cryptodev_queue_pair_setup(uint8_t dev_id, uint16_t queue_pair_id,
1131 const struct rte_cryptodev_qp_conf *qp_conf, int socket_id)
1132
1133{
1134 struct rte_cryptodev *dev;
1135
1136 if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
1137 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
1138 return -EINVAL;
1139 }
1140
1141 dev = &rte_crypto_devices[dev_id];
1142 if (queue_pair_id >= dev->data->nb_queue_pairs) {
1143 CDEV_LOG_ERR("Invalid queue_pair_id=%d", queue_pair_id);
1144 return -EINVAL;
1145 }
1146
1147 if (!qp_conf) {
1148 CDEV_LOG_ERR("qp_conf cannot be NULL\n");
1149 return -EINVAL;
1150 }
1151
1152 if ((qp_conf->mp_session && !qp_conf->mp_session_private) ||
1153 (!qp_conf->mp_session && qp_conf->mp_session_private)) {
1154 CDEV_LOG_ERR("Invalid mempools\n");
1155 return -EINVAL;
1156 }
1157
1158 if (qp_conf->mp_session) {
1159 struct rte_cryptodev_sym_session_pool_private_data *pool_priv;
1160 uint32_t obj_size = qp_conf->mp_session->elt_size;
1161 uint32_t obj_priv_size = qp_conf->mp_session_private->elt_size;
1162 struct rte_cryptodev_sym_session s = {0};
1163
1164 pool_priv = rte_mempool_get_priv(qp_conf->mp_session);
1165 if (!pool_priv || qp_conf->mp_session->private_data_size <
1166 sizeof(*pool_priv)) {
1167 CDEV_LOG_ERR("Invalid mempool\n");
1168 return -EINVAL;
1169 }
1170
1171 s.nb_drivers = pool_priv->nb_drivers;
1172 s.user_data_sz = pool_priv->user_data_sz;
1173
1174 if ((rte_cryptodev_sym_get_existing_header_session_size(&s) >
1175 obj_size) || (s.nb_drivers <= dev->driver_id) ||
1176 rte_cryptodev_sym_get_private_session_size(dev_id) >
1177 obj_priv_size) {
1178 CDEV_LOG_ERR("Invalid mempool\n");
1179 return -EINVAL;
1180 }
1181 }
1182
1183 if (dev->data->dev_started) {
1184 CDEV_LOG_ERR(
1185 "device %d must be stopped to allow configuration", dev_id);
1186 return -EBUSY;
1187 }
1188
1189 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->queue_pair_setup, -ENOTSUP);
1190
1191 rte_cryptodev_trace_queue_pair_setup(dev_id, queue_pair_id, qp_conf);
1192 return (*dev->dev_ops->queue_pair_setup)(dev, queue_pair_id, qp_conf,
1193 socket_id);
1194}
1195
1196
1197int
1198rte_cryptodev_stats_get(uint8_t dev_id, struct rte_cryptodev_stats *stats)
1199{
1200 struct rte_cryptodev *dev;
1201
1202 if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
1203 CDEV_LOG_ERR("Invalid dev_id=%d", dev_id);
1204 return -ENODEV;
1205 }
1206
1207 if (stats == NULL) {
1208 CDEV_LOG_ERR("Invalid stats ptr");
1209 return -EINVAL;
1210 }
1211
1212 dev = &rte_crypto_devices[dev_id];
1213 memset(stats, 0, sizeof(*stats));
1214
1215 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->stats_get, -ENOTSUP);
1216 (*dev->dev_ops->stats_get)(dev, stats);
1217 return 0;
1218}
1219
1220void
1221rte_cryptodev_stats_reset(uint8_t dev_id)
1222{
1223 struct rte_cryptodev *dev;
1224
1225 if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
1226 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
1227 return;
1228 }
1229
1230 dev = &rte_crypto_devices[dev_id];
1231
1232 RTE_FUNC_PTR_OR_RET(*dev->dev_ops->stats_reset);
1233 (*dev->dev_ops->stats_reset)(dev);
1234}
1235
1236static void
1237get_v20_capabilities(uint8_t dev_id, struct rte_cryptodev_info *dev_info)
1238{
1239 const struct rte_cryptodev_capabilities *capability;
1240 uint8_t found_invalid_capa = 0;
1241 uint8_t counter = 0;
1242
1243 for (capability = dev_info->capabilities;
1244 capability->op != RTE_CRYPTO_OP_TYPE_UNDEFINED;
1245 ++capability, ++counter) {
1246 if (capability->op == RTE_CRYPTO_OP_TYPE_SYMMETRIC &&
1247 capability->sym.xform_type ==
1248 RTE_CRYPTO_SYM_XFORM_AEAD
1249 && capability->sym.aead.algo >=
1250 RTE_CRYPTO_AEAD_CHACHA20_POLY1305) {
1251 found_invalid_capa = 1;
1252 counter--;
1253 }
1254 }
1255 is_capability_checked[dev_id] = 1;
1256 if (!found_invalid_capa)
1257 return;
1258 capability_copy[dev_id] = malloc(counter *
1259 sizeof(struct rte_cryptodev_capabilities));
1260 if (capability_copy[dev_id] == NULL) {
1261
1262
1263
1264
1265 dev_info->capabilities =
1266 cryptodev_undefined_capabilities;
1267 is_capability_checked[dev_id] = 0;
1268 } else {
1269 counter = 0;
1270 for (capability = dev_info->capabilities;
1271 capability->op !=
1272 RTE_CRYPTO_OP_TYPE_UNDEFINED;
1273 capability++) {
1274 if (!(capability->op ==
1275 RTE_CRYPTO_OP_TYPE_SYMMETRIC
1276 && capability->sym.xform_type ==
1277 RTE_CRYPTO_SYM_XFORM_AEAD
1278 && capability->sym.aead.algo >=
1279 RTE_CRYPTO_AEAD_CHACHA20_POLY1305)) {
1280 capability_copy[dev_id][counter++] =
1281 *capability;
1282 }
1283 }
1284 dev_info->capabilities =
1285 capability_copy[dev_id];
1286 }
1287}
1288
1289void __vsym
1290rte_cryptodev_info_get_v20(uint8_t dev_id, struct rte_cryptodev_info *dev_info)
1291{
1292 struct rte_cryptodev *dev;
1293
1294 if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
1295 CDEV_LOG_ERR("Invalid dev_id=%d", dev_id);
1296 return;
1297 }
1298
1299 dev = &rte_crypto_devices[dev_id];
1300
1301 memset(dev_info, 0, sizeof(struct rte_cryptodev_info));
1302
1303 RTE_FUNC_PTR_OR_RET(*dev->dev_ops->dev_infos_get);
1304 (*dev->dev_ops->dev_infos_get)(dev, dev_info);
1305
1306 if (capability_copy[dev_id] == NULL) {
1307 if (!is_capability_checked[dev_id])
1308 get_v20_capabilities(dev_id, dev_info);
1309 } else
1310 dev_info->capabilities = capability_copy[dev_id];
1311
1312 dev_info->driver_name = dev->device->driver->name;
1313 dev_info->device = dev->device;
1314}
1315VERSION_SYMBOL(rte_cryptodev_info_get, _v20, 20.0);
1316
1317void __vsym
1318rte_cryptodev_info_get_v21(uint8_t dev_id, struct rte_cryptodev_info *dev_info)
1319{
1320 struct rte_cryptodev *dev;
1321
1322 if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
1323 CDEV_LOG_ERR("Invalid dev_id=%d", dev_id);
1324 return;
1325 }
1326
1327 dev = &rte_crypto_devices[dev_id];
1328
1329 memset(dev_info, 0, sizeof(struct rte_cryptodev_info));
1330
1331 RTE_FUNC_PTR_OR_RET(*dev->dev_ops->dev_infos_get);
1332 (*dev->dev_ops->dev_infos_get)(dev, dev_info);
1333
1334 dev_info->driver_name = dev->device->driver->name;
1335 dev_info->device = dev->device;
1336}
1337MAP_STATIC_SYMBOL(void rte_cryptodev_info_get(uint8_t dev_id,
1338 struct rte_cryptodev_info *dev_info), rte_cryptodev_info_get_v21);
1339BIND_DEFAULT_SYMBOL(rte_cryptodev_info_get, _v21, 21);
1340
1341int
1342rte_cryptodev_callback_register(uint8_t dev_id,
1343 enum rte_cryptodev_event_type event,
1344 rte_cryptodev_cb_fn cb_fn, void *cb_arg)
1345{
1346 struct rte_cryptodev *dev;
1347 struct rte_cryptodev_callback *user_cb;
1348
1349 if (!cb_fn)
1350 return -EINVAL;
1351
1352 if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
1353 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
1354 return -EINVAL;
1355 }
1356
1357 dev = &rte_crypto_devices[dev_id];
1358 rte_spinlock_lock(&rte_cryptodev_cb_lock);
1359
1360 TAILQ_FOREACH(user_cb, &(dev->link_intr_cbs), next) {
1361 if (user_cb->cb_fn == cb_fn &&
1362 user_cb->cb_arg == cb_arg &&
1363 user_cb->event == event) {
1364 break;
1365 }
1366 }
1367
1368
1369 if (user_cb == NULL) {
1370 user_cb = rte_zmalloc("INTR_USER_CALLBACK",
1371 sizeof(struct rte_cryptodev_callback), 0);
1372 if (user_cb != NULL) {
1373 user_cb->cb_fn = cb_fn;
1374 user_cb->cb_arg = cb_arg;
1375 user_cb->event = event;
1376 TAILQ_INSERT_TAIL(&(dev->link_intr_cbs), user_cb, next);
1377 }
1378 }
1379
1380 rte_spinlock_unlock(&rte_cryptodev_cb_lock);
1381 return (user_cb == NULL) ? -ENOMEM : 0;
1382}
1383
1384int
1385rte_cryptodev_callback_unregister(uint8_t dev_id,
1386 enum rte_cryptodev_event_type event,
1387 rte_cryptodev_cb_fn cb_fn, void *cb_arg)
1388{
1389 int ret;
1390 struct rte_cryptodev *dev;
1391 struct rte_cryptodev_callback *cb, *next;
1392
1393 if (!cb_fn)
1394 return -EINVAL;
1395
1396 if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
1397 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
1398 return -EINVAL;
1399 }
1400
1401 dev = &rte_crypto_devices[dev_id];
1402 rte_spinlock_lock(&rte_cryptodev_cb_lock);
1403
1404 ret = 0;
1405 for (cb = TAILQ_FIRST(&dev->link_intr_cbs); cb != NULL; cb = next) {
1406
1407 next = TAILQ_NEXT(cb, next);
1408
1409 if (cb->cb_fn != cb_fn || cb->event != event ||
1410 (cb->cb_arg != (void *)-1 &&
1411 cb->cb_arg != cb_arg))
1412 continue;
1413
1414
1415
1416
1417
1418 if (cb->active == 0) {
1419 TAILQ_REMOVE(&(dev->link_intr_cbs), cb, next);
1420 rte_free(cb);
1421 } else {
1422 ret = -EAGAIN;
1423 }
1424 }
1425
1426 rte_spinlock_unlock(&rte_cryptodev_cb_lock);
1427 return ret;
1428}
1429
1430void
1431rte_cryptodev_pmd_callback_process(struct rte_cryptodev *dev,
1432 enum rte_cryptodev_event_type event)
1433{
1434 struct rte_cryptodev_callback *cb_lst;
1435 struct rte_cryptodev_callback dev_cb;
1436
1437 rte_spinlock_lock(&rte_cryptodev_cb_lock);
1438 TAILQ_FOREACH(cb_lst, &(dev->link_intr_cbs), next) {
1439 if (cb_lst->cb_fn == NULL || cb_lst->event != event)
1440 continue;
1441 dev_cb = *cb_lst;
1442 cb_lst->active = 1;
1443 rte_spinlock_unlock(&rte_cryptodev_cb_lock);
1444 dev_cb.cb_fn(dev->data->dev_id, dev_cb.event,
1445 dev_cb.cb_arg);
1446 rte_spinlock_lock(&rte_cryptodev_cb_lock);
1447 cb_lst->active = 0;
1448 }
1449 rte_spinlock_unlock(&rte_cryptodev_cb_lock);
1450}
1451
1452
1453int
1454rte_cryptodev_sym_session_init(uint8_t dev_id,
1455 struct rte_cryptodev_sym_session *sess,
1456 struct rte_crypto_sym_xform *xforms,
1457 struct rte_mempool *mp)
1458{
1459 struct rte_cryptodev *dev;
1460 uint32_t sess_priv_sz = rte_cryptodev_sym_get_private_session_size(
1461 dev_id);
1462 uint8_t index;
1463 int ret;
1464
1465 if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
1466 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
1467 return -EINVAL;
1468 }
1469
1470 dev = rte_cryptodev_pmd_get_dev(dev_id);
1471
1472 if (sess == NULL || xforms == NULL || dev == NULL || mp == NULL)
1473 return -EINVAL;
1474
1475 if (mp->elt_size < sess_priv_sz)
1476 return -EINVAL;
1477
1478 index = dev->driver_id;
1479 if (index >= sess->nb_drivers)
1480 return -EINVAL;
1481
1482 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->sym_session_configure, -ENOTSUP);
1483
1484 if (sess->sess_data[index].refcnt == 0) {
1485 ret = dev->dev_ops->sym_session_configure(dev, xforms,
1486 sess, mp);
1487 if (ret < 0) {
1488 CDEV_LOG_ERR(
1489 "dev_id %d failed to configure session details",
1490 dev_id);
1491 return ret;
1492 }
1493 }
1494
1495 rte_cryptodev_trace_sym_session_init(dev_id, sess, xforms, mp);
1496 sess->sess_data[index].refcnt++;
1497 return 0;
1498}
1499
1500int
1501rte_cryptodev_asym_session_init(uint8_t dev_id,
1502 struct rte_cryptodev_asym_session *sess,
1503 struct rte_crypto_asym_xform *xforms,
1504 struct rte_mempool *mp)
1505{
1506 struct rte_cryptodev *dev;
1507 uint8_t index;
1508 int ret;
1509
1510 if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
1511 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
1512 return -EINVAL;
1513 }
1514
1515 dev = rte_cryptodev_pmd_get_dev(dev_id);
1516
1517 if (sess == NULL || xforms == NULL || dev == NULL)
1518 return -EINVAL;
1519
1520 index = dev->driver_id;
1521
1522 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->asym_session_configure,
1523 -ENOTSUP);
1524
1525 if (sess->sess_private_data[index] == NULL) {
1526 ret = dev->dev_ops->asym_session_configure(dev,
1527 xforms,
1528 sess, mp);
1529 if (ret < 0) {
1530 CDEV_LOG_ERR(
1531 "dev_id %d failed to configure session details",
1532 dev_id);
1533 return ret;
1534 }
1535 }
1536
1537 rte_cryptodev_trace_asym_session_init(dev_id, sess, xforms, mp);
1538 return 0;
1539}
1540
1541struct rte_mempool *
1542rte_cryptodev_sym_session_pool_create(const char *name, uint32_t nb_elts,
1543 uint32_t elt_size, uint32_t cache_size, uint16_t user_data_size,
1544 int socket_id)
1545{
1546 struct rte_mempool *mp;
1547 struct rte_cryptodev_sym_session_pool_private_data *pool_priv;
1548 uint32_t obj_sz;
1549
1550 obj_sz = rte_cryptodev_sym_get_header_session_size() + user_data_size;
1551 if (obj_sz > elt_size)
1552 CDEV_LOG_INFO("elt_size %u is expanded to %u\n", elt_size,
1553 obj_sz);
1554 else
1555 obj_sz = elt_size;
1556
1557 mp = rte_mempool_create(name, nb_elts, obj_sz, cache_size,
1558 (uint32_t)(sizeof(*pool_priv)),
1559 NULL, NULL, NULL, NULL,
1560 socket_id, 0);
1561 if (mp == NULL) {
1562 CDEV_LOG_ERR("%s(name=%s) failed, rte_errno=%d\n",
1563 __func__, name, rte_errno);
1564 return NULL;
1565 }
1566
1567 pool_priv = rte_mempool_get_priv(mp);
1568 if (!pool_priv) {
1569 CDEV_LOG_ERR("%s(name=%s) failed to get private data\n",
1570 __func__, name);
1571 rte_mempool_free(mp);
1572 return NULL;
1573 }
1574
1575 pool_priv->nb_drivers = nb_drivers;
1576 pool_priv->user_data_sz = user_data_size;
1577
1578 rte_cryptodev_trace_sym_session_pool_create(name, nb_elts,
1579 elt_size, cache_size, user_data_size, mp);
1580 return mp;
1581}
1582
1583static unsigned int
1584rte_cryptodev_sym_session_data_size(struct rte_cryptodev_sym_session *sess)
1585{
1586 return (sizeof(sess->sess_data[0]) * sess->nb_drivers) +
1587 sess->user_data_sz;
1588}
1589
1590static uint8_t
1591rte_cryptodev_sym_is_valid_session_pool(struct rte_mempool *mp)
1592{
1593 struct rte_cryptodev_sym_session_pool_private_data *pool_priv;
1594
1595 if (!mp)
1596 return 0;
1597
1598 pool_priv = rte_mempool_get_priv(mp);
1599
1600 if (!pool_priv || mp->private_data_size < sizeof(*pool_priv) ||
1601 pool_priv->nb_drivers != nb_drivers ||
1602 mp->elt_size <
1603 rte_cryptodev_sym_get_header_session_size()
1604 + pool_priv->user_data_sz)
1605 return 0;
1606
1607 return 1;
1608}
1609
1610struct rte_cryptodev_sym_session *
1611rte_cryptodev_sym_session_create(struct rte_mempool *mp)
1612{
1613 struct rte_cryptodev_sym_session *sess;
1614 struct rte_cryptodev_sym_session_pool_private_data *pool_priv;
1615
1616 if (!rte_cryptodev_sym_is_valid_session_pool(mp)) {
1617 CDEV_LOG_ERR("Invalid mempool\n");
1618 return NULL;
1619 }
1620
1621 pool_priv = rte_mempool_get_priv(mp);
1622
1623
1624 if (rte_mempool_get(mp, (void **)&sess)) {
1625 CDEV_LOG_ERR("couldn't get object from session mempool");
1626 return NULL;
1627 }
1628
1629 sess->nb_drivers = pool_priv->nb_drivers;
1630 sess->user_data_sz = pool_priv->user_data_sz;
1631 sess->opaque_data = 0;
1632
1633
1634
1635
1636 memset(sess->sess_data, 0,
1637 rte_cryptodev_sym_session_data_size(sess));
1638
1639 rte_cryptodev_trace_sym_session_create(mp, sess);
1640 return sess;
1641}
1642
1643struct rte_cryptodev_asym_session *
1644rte_cryptodev_asym_session_create(struct rte_mempool *mp)
1645{
1646 struct rte_cryptodev_asym_session *sess;
1647 unsigned int session_size =
1648 rte_cryptodev_asym_get_header_session_size();
1649
1650 if (!mp) {
1651 CDEV_LOG_ERR("invalid mempool\n");
1652 return NULL;
1653 }
1654
1655
1656 if (mp->elt_size < session_size) {
1657 CDEV_LOG_ERR(
1658 "mempool elements too small to hold session objects");
1659 return NULL;
1660 }
1661
1662
1663 if (rte_mempool_get(mp, (void **)&sess)) {
1664 CDEV_LOG_ERR("couldn't get object from session mempool");
1665 return NULL;
1666 }
1667
1668
1669
1670
1671 memset(sess, 0, session_size);
1672
1673 rte_cryptodev_trace_asym_session_create(mp, sess);
1674 return sess;
1675}
1676
1677int
1678rte_cryptodev_sym_session_clear(uint8_t dev_id,
1679 struct rte_cryptodev_sym_session *sess)
1680{
1681 struct rte_cryptodev *dev;
1682 uint8_t driver_id;
1683
1684 if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
1685 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
1686 return -EINVAL;
1687 }
1688
1689 dev = rte_cryptodev_pmd_get_dev(dev_id);
1690
1691 if (dev == NULL || sess == NULL)
1692 return -EINVAL;
1693
1694 driver_id = dev->driver_id;
1695 if (sess->sess_data[driver_id].refcnt == 0)
1696 return 0;
1697 if (--sess->sess_data[driver_id].refcnt != 0)
1698 return -EBUSY;
1699
1700 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->sym_session_clear, -ENOTSUP);
1701
1702 dev->dev_ops->sym_session_clear(dev, sess);
1703
1704 rte_cryptodev_trace_sym_session_clear(dev_id, sess);
1705 return 0;
1706}
1707
1708int
1709rte_cryptodev_asym_session_clear(uint8_t dev_id,
1710 struct rte_cryptodev_asym_session *sess)
1711{
1712 struct rte_cryptodev *dev;
1713
1714 if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
1715 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
1716 return -EINVAL;
1717 }
1718
1719 dev = rte_cryptodev_pmd_get_dev(dev_id);
1720
1721 if (dev == NULL || sess == NULL)
1722 return -EINVAL;
1723
1724 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->asym_session_clear, -ENOTSUP);
1725
1726 dev->dev_ops->asym_session_clear(dev, sess);
1727
1728 rte_cryptodev_trace_sym_session_clear(dev_id, sess);
1729 return 0;
1730}
1731
1732int
1733rte_cryptodev_sym_session_free(struct rte_cryptodev_sym_session *sess)
1734{
1735 uint8_t i;
1736 struct rte_mempool *sess_mp;
1737
1738 if (sess == NULL)
1739 return -EINVAL;
1740
1741
1742 for (i = 0; i < sess->nb_drivers; i++) {
1743 if (sess->sess_data[i].refcnt != 0)
1744 return -EBUSY;
1745 }
1746
1747
1748 sess_mp = rte_mempool_from_obj(sess);
1749 rte_mempool_put(sess_mp, sess);
1750
1751 rte_cryptodev_trace_sym_session_free(sess);
1752 return 0;
1753}
1754
1755int
1756rte_cryptodev_asym_session_free(struct rte_cryptodev_asym_session *sess)
1757{
1758 uint8_t i;
1759 void *sess_priv;
1760 struct rte_mempool *sess_mp;
1761
1762 if (sess == NULL)
1763 return -EINVAL;
1764
1765
1766 for (i = 0; i < nb_drivers; i++) {
1767 sess_priv = get_asym_session_private_data(sess, i);
1768 if (sess_priv != NULL)
1769 return -EBUSY;
1770 }
1771
1772
1773 sess_mp = rte_mempool_from_obj(sess);
1774 rte_mempool_put(sess_mp, sess);
1775
1776 rte_cryptodev_trace_asym_session_free(sess);
1777 return 0;
1778}
1779
1780unsigned int
1781rte_cryptodev_sym_get_header_session_size(void)
1782{
1783
1784
1785
1786
1787
1788 struct rte_cryptodev_sym_session s = {0};
1789
1790 s.nb_drivers = nb_drivers;
1791
1792 return (unsigned int)(sizeof(s) +
1793 rte_cryptodev_sym_session_data_size(&s));
1794}
1795
1796unsigned int
1797rte_cryptodev_sym_get_existing_header_session_size(
1798 struct rte_cryptodev_sym_session *sess)
1799{
1800 if (!sess)
1801 return 0;
1802 else
1803 return (unsigned int)(sizeof(*sess) +
1804 rte_cryptodev_sym_session_data_size(sess));
1805}
1806
1807unsigned int
1808rte_cryptodev_asym_get_header_session_size(void)
1809{
1810
1811
1812
1813
1814
1815 return ((sizeof(void *) * nb_drivers) + sizeof(uint8_t));
1816}
1817
1818unsigned int
1819rte_cryptodev_sym_get_private_session_size(uint8_t dev_id)
1820{
1821 struct rte_cryptodev *dev;
1822 unsigned int priv_sess_size;
1823
1824 if (!rte_cryptodev_pmd_is_valid_dev(dev_id))
1825 return 0;
1826
1827 dev = rte_cryptodev_pmd_get_dev(dev_id);
1828
1829 if (*dev->dev_ops->sym_session_get_size == NULL)
1830 return 0;
1831
1832 priv_sess_size = (*dev->dev_ops->sym_session_get_size)(dev);
1833
1834 return priv_sess_size;
1835}
1836
1837unsigned int
1838rte_cryptodev_asym_get_private_session_size(uint8_t dev_id)
1839{
1840 struct rte_cryptodev *dev;
1841 unsigned int header_size = sizeof(void *) * nb_drivers;
1842 unsigned int priv_sess_size;
1843
1844 if (!rte_cryptodev_pmd_is_valid_dev(dev_id))
1845 return 0;
1846
1847 dev = rte_cryptodev_pmd_get_dev(dev_id);
1848
1849 if (*dev->dev_ops->asym_session_get_size == NULL)
1850 return 0;
1851
1852 priv_sess_size = (*dev->dev_ops->asym_session_get_size)(dev);
1853 if (priv_sess_size < header_size)
1854 return header_size;
1855
1856 return priv_sess_size;
1857
1858}
1859
1860int
1861rte_cryptodev_sym_session_set_user_data(
1862 struct rte_cryptodev_sym_session *sess,
1863 void *data,
1864 uint16_t size)
1865{
1866 if (sess == NULL)
1867 return -EINVAL;
1868
1869 if (sess->user_data_sz < size)
1870 return -ENOMEM;
1871
1872 rte_memcpy(sess->sess_data + sess->nb_drivers, data, size);
1873 return 0;
1874}
1875
1876void *
1877rte_cryptodev_sym_session_get_user_data(
1878 struct rte_cryptodev_sym_session *sess)
1879{
1880 if (sess == NULL || sess->user_data_sz == 0)
1881 return NULL;
1882
1883 return (void *)(sess->sess_data + sess->nb_drivers);
1884}
1885
1886static inline void
1887sym_crypto_fill_status(struct rte_crypto_sym_vec *vec, int32_t errnum)
1888{
1889 uint32_t i;
1890 for (i = 0; i < vec->num; i++)
1891 vec->status[i] = errnum;
1892}
1893
1894uint32_t
1895rte_cryptodev_sym_cpu_crypto_process(uint8_t dev_id,
1896 struct rte_cryptodev_sym_session *sess, union rte_crypto_sym_ofs ofs,
1897 struct rte_crypto_sym_vec *vec)
1898{
1899 struct rte_cryptodev *dev;
1900
1901 if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
1902 sym_crypto_fill_status(vec, EINVAL);
1903 return 0;
1904 }
1905
1906 dev = rte_cryptodev_pmd_get_dev(dev_id);
1907
1908 if (*dev->dev_ops->sym_cpu_process == NULL ||
1909 !(dev->feature_flags & RTE_CRYPTODEV_FF_SYM_CPU_CRYPTO)) {
1910 sym_crypto_fill_status(vec, ENOTSUP);
1911 return 0;
1912 }
1913
1914 return dev->dev_ops->sym_cpu_process(dev, sess, ofs, vec);
1915}
1916
1917
1918static void
1919rte_crypto_op_init(struct rte_mempool *mempool,
1920 void *opaque_arg,
1921 void *_op_data,
1922 __rte_unused unsigned i)
1923{
1924 struct rte_crypto_op *op = _op_data;
1925 enum rte_crypto_op_type type = *(enum rte_crypto_op_type *)opaque_arg;
1926
1927 memset(_op_data, 0, mempool->elt_size);
1928
1929 __rte_crypto_op_reset(op, type);
1930
1931 op->phys_addr = rte_mem_virt2iova(_op_data);
1932 op->mempool = mempool;
1933}
1934
1935
1936struct rte_mempool *
1937rte_crypto_op_pool_create(const char *name, enum rte_crypto_op_type type,
1938 unsigned nb_elts, unsigned cache_size, uint16_t priv_size,
1939 int socket_id)
1940{
1941 struct rte_crypto_op_pool_private *priv;
1942
1943 unsigned elt_size = sizeof(struct rte_crypto_op) +
1944 priv_size;
1945
1946 if (type == RTE_CRYPTO_OP_TYPE_SYMMETRIC) {
1947 elt_size += sizeof(struct rte_crypto_sym_op);
1948 } else if (type == RTE_CRYPTO_OP_TYPE_ASYMMETRIC) {
1949 elt_size += sizeof(struct rte_crypto_asym_op);
1950 } else if (type == RTE_CRYPTO_OP_TYPE_UNDEFINED) {
1951 elt_size += RTE_MAX(sizeof(struct rte_crypto_sym_op),
1952 sizeof(struct rte_crypto_asym_op));
1953 } else {
1954 CDEV_LOG_ERR("Invalid op_type\n");
1955 return NULL;
1956 }
1957
1958
1959 struct rte_mempool *mp = rte_mempool_lookup(name);
1960
1961 if (mp != NULL) {
1962 priv = (struct rte_crypto_op_pool_private *)
1963 rte_mempool_get_priv(mp);
1964
1965 if (mp->elt_size != elt_size ||
1966 mp->cache_size < cache_size ||
1967 mp->size < nb_elts ||
1968 priv->priv_size < priv_size) {
1969 mp = NULL;
1970 CDEV_LOG_ERR("Mempool %s already exists but with "
1971 "incompatible parameters", name);
1972 return NULL;
1973 }
1974 return mp;
1975 }
1976
1977 mp = rte_mempool_create(
1978 name,
1979 nb_elts,
1980 elt_size,
1981 cache_size,
1982 sizeof(struct rte_crypto_op_pool_private),
1983 NULL,
1984 NULL,
1985 rte_crypto_op_init,
1986 &type,
1987 socket_id,
1988 0);
1989
1990 if (mp == NULL) {
1991 CDEV_LOG_ERR("Failed to create mempool %s", name);
1992 return NULL;
1993 }
1994
1995 priv = (struct rte_crypto_op_pool_private *)
1996 rte_mempool_get_priv(mp);
1997
1998 priv->priv_size = priv_size;
1999 priv->type = type;
2000
2001 return mp;
2002}
2003
2004int
2005rte_cryptodev_pmd_create_dev_name(char *name, const char *dev_name_prefix)
2006{
2007 struct rte_cryptodev *dev = NULL;
2008 uint32_t i = 0;
2009
2010 if (name == NULL)
2011 return -EINVAL;
2012
2013 for (i = 0; i < RTE_CRYPTO_MAX_DEVS; i++) {
2014 int ret = snprintf(name, RTE_CRYPTODEV_NAME_MAX_LEN,
2015 "%s_%u", dev_name_prefix, i);
2016
2017 if (ret < 0)
2018 return ret;
2019
2020 dev = rte_cryptodev_pmd_get_named_dev(name);
2021 if (!dev)
2022 return 0;
2023 }
2024
2025 return -1;
2026}
2027
2028TAILQ_HEAD(cryptodev_driver_list, cryptodev_driver);
2029
2030static struct cryptodev_driver_list cryptodev_driver_list =
2031 TAILQ_HEAD_INITIALIZER(cryptodev_driver_list);
2032
2033int
2034rte_cryptodev_driver_id_get(const char *name)
2035{
2036 struct cryptodev_driver *driver;
2037 const char *driver_name;
2038
2039 if (name == NULL) {
2040 RTE_LOG(DEBUG, CRYPTODEV, "name pointer NULL");
2041 return -1;
2042 }
2043
2044 TAILQ_FOREACH(driver, &cryptodev_driver_list, next) {
2045 driver_name = driver->driver->name;
2046 if (strncmp(driver_name, name, strlen(driver_name) + 1) == 0)
2047 return driver->id;
2048 }
2049 return -1;
2050}
2051
2052const char *
2053rte_cryptodev_name_get(uint8_t dev_id)
2054{
2055 struct rte_cryptodev *dev;
2056
2057 if (!rte_cryptodev_is_valid_device_data(dev_id)) {
2058 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
2059 return NULL;
2060 }
2061
2062 dev = rte_cryptodev_pmd_get_dev(dev_id);
2063 if (dev == NULL)
2064 return NULL;
2065
2066 return dev->data->name;
2067}
2068
2069const char *
2070rte_cryptodev_driver_name_get(uint8_t driver_id)
2071{
2072 struct cryptodev_driver *driver;
2073
2074 TAILQ_FOREACH(driver, &cryptodev_driver_list, next)
2075 if (driver->id == driver_id)
2076 return driver->driver->name;
2077 return NULL;
2078}
2079
2080uint8_t
2081rte_cryptodev_allocate_driver(struct cryptodev_driver *crypto_drv,
2082 const struct rte_driver *drv)
2083{
2084 crypto_drv->driver = drv;
2085 crypto_drv->id = nb_drivers;
2086
2087 TAILQ_INSERT_TAIL(&cryptodev_driver_list, crypto_drv, next);
2088
2089 return nb_drivers++;
2090}
2091
