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[ceph.git] / ceph / src / seastar / dpdk / lib / librte_cryptodev / rte_cryptodev.c
1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(c) 2015-2017 Intel Corporation
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
40 #include "rte_crypto.h"
41 #include "rte_cryptodev.h"
42 #include "rte_cryptodev_pmd.h"
43
44 static uint8_t nb_drivers;
45
46 static struct rte_cryptodev rte_crypto_devices[RTE_CRYPTO_MAX_DEVS];
47
48 struct rte_cryptodev *rte_cryptodevs = rte_crypto_devices;
49
50 static struct rte_cryptodev_global cryptodev_globals = {
51 .devs = rte_crypto_devices,
52 .data = { NULL },
53 .nb_devs = 0,
54 .max_devs = RTE_CRYPTO_MAX_DEVS
55 };
56
57 /* spinlock for crypto device callbacks */
58 static rte_spinlock_t rte_cryptodev_cb_lock = RTE_SPINLOCK_INITIALIZER;
59
60
61 /**
62 * The user application callback description.
63 *
64 * It contains callback address to be registered by user application,
65 * the pointer to the parameters for callback, and the event type.
66 */
67 struct rte_cryptodev_callback {
68 TAILQ_ENTRY(rte_cryptodev_callback) next; /**< Callbacks list */
69 rte_cryptodev_cb_fn cb_fn; /**< Callback address */
70 void *cb_arg; /**< Parameter for callback */
71 enum rte_cryptodev_event_type event; /**< Interrupt event type */
72 uint32_t active; /**< Callback is executing */
73 };
74
75 /**
76 * The crypto cipher algorithm strings identifiers.
77 * It could be used in application command line.
78 */
79 const char *
80 rte_crypto_cipher_algorithm_strings[] = {
81 [RTE_CRYPTO_CIPHER_3DES_CBC] = "3des-cbc",
82 [RTE_CRYPTO_CIPHER_3DES_ECB] = "3des-ecb",
83 [RTE_CRYPTO_CIPHER_3DES_CTR] = "3des-ctr",
84
85 [RTE_CRYPTO_CIPHER_AES_CBC] = "aes-cbc",
86 [RTE_CRYPTO_CIPHER_AES_CTR] = "aes-ctr",
87 [RTE_CRYPTO_CIPHER_AES_DOCSISBPI] = "aes-docsisbpi",
88 [RTE_CRYPTO_CIPHER_AES_ECB] = "aes-ecb",
89 [RTE_CRYPTO_CIPHER_AES_F8] = "aes-f8",
90 [RTE_CRYPTO_CIPHER_AES_XTS] = "aes-xts",
91
92 [RTE_CRYPTO_CIPHER_ARC4] = "arc4",
93
94 [RTE_CRYPTO_CIPHER_DES_CBC] = "des-cbc",
95 [RTE_CRYPTO_CIPHER_DES_DOCSISBPI] = "des-docsisbpi",
96
97 [RTE_CRYPTO_CIPHER_NULL] = "null",
98
99 [RTE_CRYPTO_CIPHER_KASUMI_F8] = "kasumi-f8",
100 [RTE_CRYPTO_CIPHER_SNOW3G_UEA2] = "snow3g-uea2",
101 [RTE_CRYPTO_CIPHER_ZUC_EEA3] = "zuc-eea3"
102 };
103
104 /**
105 * The crypto cipher operation strings identifiers.
106 * It could be used in application command line.
107 */
108 const char *
109 rte_crypto_cipher_operation_strings[] = {
110 [RTE_CRYPTO_CIPHER_OP_ENCRYPT] = "encrypt",
111 [RTE_CRYPTO_CIPHER_OP_DECRYPT] = "decrypt"
112 };
113
114 /**
115 * The crypto auth algorithm strings identifiers.
116 * It could be used in application command line.
117 */
118 const char *
119 rte_crypto_auth_algorithm_strings[] = {
120 [RTE_CRYPTO_AUTH_AES_CBC_MAC] = "aes-cbc-mac",
121 [RTE_CRYPTO_AUTH_AES_CMAC] = "aes-cmac",
122 [RTE_CRYPTO_AUTH_AES_GMAC] = "aes-gmac",
123 [RTE_CRYPTO_AUTH_AES_XCBC_MAC] = "aes-xcbc-mac",
124
125 [RTE_CRYPTO_AUTH_MD5] = "md5",
126 [RTE_CRYPTO_AUTH_MD5_HMAC] = "md5-hmac",
127
128 [RTE_CRYPTO_AUTH_NULL] = "null",
129
130 [RTE_CRYPTO_AUTH_SHA1] = "sha1",
131 [RTE_CRYPTO_AUTH_SHA1_HMAC] = "sha1-hmac",
132
133 [RTE_CRYPTO_AUTH_SHA224] = "sha2-224",
134 [RTE_CRYPTO_AUTH_SHA224_HMAC] = "sha2-224-hmac",
135 [RTE_CRYPTO_AUTH_SHA256] = "sha2-256",
136 [RTE_CRYPTO_AUTH_SHA256_HMAC] = "sha2-256-hmac",
137 [RTE_CRYPTO_AUTH_SHA384] = "sha2-384",
138 [RTE_CRYPTO_AUTH_SHA384_HMAC] = "sha2-384-hmac",
139 [RTE_CRYPTO_AUTH_SHA512] = "sha2-512",
140 [RTE_CRYPTO_AUTH_SHA512_HMAC] = "sha2-512-hmac",
141
142 [RTE_CRYPTO_AUTH_KASUMI_F9] = "kasumi-f9",
143 [RTE_CRYPTO_AUTH_SNOW3G_UIA2] = "snow3g-uia2",
144 [RTE_CRYPTO_AUTH_ZUC_EIA3] = "zuc-eia3"
145 };
146
147 /**
148 * The crypto AEAD algorithm strings identifiers.
149 * It could be used in application command line.
150 */
151 const char *
152 rte_crypto_aead_algorithm_strings[] = {
153 [RTE_CRYPTO_AEAD_AES_CCM] = "aes-ccm",
154 [RTE_CRYPTO_AEAD_AES_GCM] = "aes-gcm",
155 };
156
157 /**
158 * The crypto AEAD operation strings identifiers.
159 * It could be used in application command line.
160 */
161 const char *
162 rte_crypto_aead_operation_strings[] = {
163 [RTE_CRYPTO_AEAD_OP_ENCRYPT] = "encrypt",
164 [RTE_CRYPTO_AEAD_OP_DECRYPT] = "decrypt"
165 };
166
167 /**
168 * Asymmetric crypto transform operation strings identifiers.
169 */
170 const char *rte_crypto_asym_xform_strings[] = {
171 [RTE_CRYPTO_ASYM_XFORM_NONE] = "none",
172 [RTE_CRYPTO_ASYM_XFORM_RSA] = "rsa",
173 [RTE_CRYPTO_ASYM_XFORM_MODEX] = "modexp",
174 [RTE_CRYPTO_ASYM_XFORM_MODINV] = "modinv",
175 [RTE_CRYPTO_ASYM_XFORM_DH] = "dh",
176 [RTE_CRYPTO_ASYM_XFORM_DSA] = "dsa",
177 };
178
179 /**
180 * Asymmetric crypto operation strings identifiers.
181 */
182 const char *rte_crypto_asym_op_strings[] = {
183 [RTE_CRYPTO_ASYM_OP_ENCRYPT] = "encrypt",
184 [RTE_CRYPTO_ASYM_OP_DECRYPT] = "decrypt",
185 [RTE_CRYPTO_ASYM_OP_SIGN] = "sign",
186 [RTE_CRYPTO_ASYM_OP_VERIFY] = "verify",
187 [RTE_CRYPTO_ASYM_OP_PRIVATE_KEY_GENERATE] = "priv_key_generate",
188 [RTE_CRYPTO_ASYM_OP_PUBLIC_KEY_GENERATE] = "pub_key_generate",
189 [RTE_CRYPTO_ASYM_OP_SHARED_SECRET_COMPUTE] = "sharedsecret_compute",
190 };
191
192 /**
193 * The private data structure stored in the session mempool private data.
194 */
195 struct rte_cryptodev_sym_session_pool_private_data {
196 uint16_t nb_drivers;
197 /**< number of elements in sess_data array */
198 uint16_t user_data_sz;
199 /**< session user data will be placed after sess_data */
200 };
201
202 int
203 rte_cryptodev_get_cipher_algo_enum(enum rte_crypto_cipher_algorithm *algo_enum,
204 const char *algo_string)
205 {
206 unsigned int i;
207
208 for (i = 1; i < RTE_DIM(rte_crypto_cipher_algorithm_strings); i++) {
209 if (strcmp(algo_string, rte_crypto_cipher_algorithm_strings[i]) == 0) {
210 *algo_enum = (enum rte_crypto_cipher_algorithm) i;
211 return 0;
212 }
213 }
214
215 /* Invalid string */
216 return -1;
217 }
218
219 int
220 rte_cryptodev_get_auth_algo_enum(enum rte_crypto_auth_algorithm *algo_enum,
221 const char *algo_string)
222 {
223 unsigned int i;
224
225 for (i = 1; i < RTE_DIM(rte_crypto_auth_algorithm_strings); i++) {
226 if (strcmp(algo_string, rte_crypto_auth_algorithm_strings[i]) == 0) {
227 *algo_enum = (enum rte_crypto_auth_algorithm) i;
228 return 0;
229 }
230 }
231
232 /* Invalid string */
233 return -1;
234 }
235
236 int
237 rte_cryptodev_get_aead_algo_enum(enum rte_crypto_aead_algorithm *algo_enum,
238 const char *algo_string)
239 {
240 unsigned int i;
241
242 for (i = 1; i < RTE_DIM(rte_crypto_aead_algorithm_strings); i++) {
243 if (strcmp(algo_string, rte_crypto_aead_algorithm_strings[i]) == 0) {
244 *algo_enum = (enum rte_crypto_aead_algorithm) i;
245 return 0;
246 }
247 }
248
249 /* Invalid string */
250 return -1;
251 }
252
253 int __rte_experimental
254 rte_cryptodev_asym_get_xform_enum(enum rte_crypto_asym_xform_type *xform_enum,
255 const char *xform_string)
256 {
257 unsigned int i;
258
259 for (i = 1; i < RTE_DIM(rte_crypto_asym_xform_strings); i++) {
260 if (strcmp(xform_string,
261 rte_crypto_asym_xform_strings[i]) == 0) {
262 *xform_enum = (enum rte_crypto_asym_xform_type) i;
263 return 0;
264 }
265 }
266
267 /* Invalid string */
268 return -1;
269 }
270
271 /**
272 * The crypto auth operation strings identifiers.
273 * It could be used in application command line.
274 */
275 const char *
276 rte_crypto_auth_operation_strings[] = {
277 [RTE_CRYPTO_AUTH_OP_VERIFY] = "verify",
278 [RTE_CRYPTO_AUTH_OP_GENERATE] = "generate"
279 };
280
281 const struct rte_cryptodev_symmetric_capability *
282 rte_cryptodev_sym_capability_get(uint8_t dev_id,
283 const struct rte_cryptodev_sym_capability_idx *idx)
284 {
285 const struct rte_cryptodev_capabilities *capability;
286 struct rte_cryptodev_info dev_info;
287 int i = 0;
288
289 rte_cryptodev_info_get(dev_id, &dev_info);
290
291 while ((capability = &dev_info.capabilities[i++])->op !=
292 RTE_CRYPTO_OP_TYPE_UNDEFINED) {
293 if (capability->op != RTE_CRYPTO_OP_TYPE_SYMMETRIC)
294 continue;
295
296 if (capability->sym.xform_type != idx->type)
297 continue;
298
299 if (idx->type == RTE_CRYPTO_SYM_XFORM_AUTH &&
300 capability->sym.auth.algo == idx->algo.auth)
301 return &capability->sym;
302
303 if (idx->type == RTE_CRYPTO_SYM_XFORM_CIPHER &&
304 capability->sym.cipher.algo == idx->algo.cipher)
305 return &capability->sym;
306
307 if (idx->type == RTE_CRYPTO_SYM_XFORM_AEAD &&
308 capability->sym.aead.algo == idx->algo.aead)
309 return &capability->sym;
310 }
311
312 return NULL;
313
314 }
315
316 static int
317 param_range_check(uint16_t size, const struct rte_crypto_param_range *range)
318 {
319 unsigned int next_size;
320
321 /* Check lower/upper bounds */
322 if (size < range->min)
323 return -1;
324
325 if (size > range->max)
326 return -1;
327
328 /* If range is actually only one value, size is correct */
329 if (range->increment == 0)
330 return 0;
331
332 /* Check if value is one of the supported sizes */
333 for (next_size = range->min; next_size <= range->max;
334 next_size += range->increment)
335 if (size == next_size)
336 return 0;
337
338 return -1;
339 }
340
341 const struct rte_cryptodev_asymmetric_xform_capability * __rte_experimental
342 rte_cryptodev_asym_capability_get(uint8_t dev_id,
343 const struct rte_cryptodev_asym_capability_idx *idx)
344 {
345 const struct rte_cryptodev_capabilities *capability;
346 struct rte_cryptodev_info dev_info;
347 unsigned int i = 0;
348
349 memset(&dev_info, 0, sizeof(struct rte_cryptodev_info));
350 rte_cryptodev_info_get(dev_id, &dev_info);
351
352 while ((capability = &dev_info.capabilities[i++])->op !=
353 RTE_CRYPTO_OP_TYPE_UNDEFINED) {
354 if (capability->op != RTE_CRYPTO_OP_TYPE_ASYMMETRIC)
355 continue;
356
357 if (capability->asym.xform_capa.xform_type == idx->type)
358 return &capability->asym.xform_capa;
359 }
360 return NULL;
361 };
362
363 int
364 rte_cryptodev_sym_capability_check_cipher(
365 const struct rte_cryptodev_symmetric_capability *capability,
366 uint16_t key_size, uint16_t iv_size)
367 {
368 if (param_range_check(key_size, &capability->cipher.key_size) != 0)
369 return -1;
370
371 if (param_range_check(iv_size, &capability->cipher.iv_size) != 0)
372 return -1;
373
374 return 0;
375 }
376
377 int
378 rte_cryptodev_sym_capability_check_auth(
379 const struct rte_cryptodev_symmetric_capability *capability,
380 uint16_t key_size, uint16_t digest_size, uint16_t iv_size)
381 {
382 if (param_range_check(key_size, &capability->auth.key_size) != 0)
383 return -1;
384
385 if (param_range_check(digest_size, &capability->auth.digest_size) != 0)
386 return -1;
387
388 if (param_range_check(iv_size, &capability->auth.iv_size) != 0)
389 return -1;
390
391 return 0;
392 }
393
394 int
395 rte_cryptodev_sym_capability_check_aead(
396 const struct rte_cryptodev_symmetric_capability *capability,
397 uint16_t key_size, uint16_t digest_size, uint16_t aad_size,
398 uint16_t iv_size)
399 {
400 if (param_range_check(key_size, &capability->aead.key_size) != 0)
401 return -1;
402
403 if (param_range_check(digest_size, &capability->aead.digest_size) != 0)
404 return -1;
405
406 if (param_range_check(aad_size, &capability->aead.aad_size) != 0)
407 return -1;
408
409 if (param_range_check(iv_size, &capability->aead.iv_size) != 0)
410 return -1;
411
412 return 0;
413 }
414 int __rte_experimental
415 rte_cryptodev_asym_xform_capability_check_optype(
416 const struct rte_cryptodev_asymmetric_xform_capability *capability,
417 enum rte_crypto_asym_op_type op_type)
418 {
419 if (capability->op_types & (1 << op_type))
420 return 1;
421
422 return 0;
423 }
424
425 int __rte_experimental
426 rte_cryptodev_asym_xform_capability_check_modlen(
427 const struct rte_cryptodev_asymmetric_xform_capability *capability,
428 uint16_t modlen)
429 {
430 /* no need to check for limits, if min or max = 0 */
431 if (capability->modlen.min != 0) {
432 if (modlen < capability->modlen.min)
433 return -1;
434 }
435
436 if (capability->modlen.max != 0) {
437 if (modlen > capability->modlen.max)
438 return -1;
439 }
440
441 /* in any case, check if given modlen is module increment */
442 if (capability->modlen.increment != 0) {
443 if (modlen % (capability->modlen.increment))
444 return -1;
445 }
446
447 return 0;
448 }
449
450
451 const char *
452 rte_cryptodev_get_feature_name(uint64_t flag)
453 {
454 switch (flag) {
455 case RTE_CRYPTODEV_FF_SYMMETRIC_CRYPTO:
456 return "SYMMETRIC_CRYPTO";
457 case RTE_CRYPTODEV_FF_ASYMMETRIC_CRYPTO:
458 return "ASYMMETRIC_CRYPTO";
459 case RTE_CRYPTODEV_FF_SYM_OPERATION_CHAINING:
460 return "SYM_OPERATION_CHAINING";
461 case RTE_CRYPTODEV_FF_CPU_SSE:
462 return "CPU_SSE";
463 case RTE_CRYPTODEV_FF_CPU_AVX:
464 return "CPU_AVX";
465 case RTE_CRYPTODEV_FF_CPU_AVX2:
466 return "CPU_AVX2";
467 case RTE_CRYPTODEV_FF_CPU_AVX512:
468 return "CPU_AVX512";
469 case RTE_CRYPTODEV_FF_CPU_AESNI:
470 return "CPU_AESNI";
471 case RTE_CRYPTODEV_FF_HW_ACCELERATED:
472 return "HW_ACCELERATED";
473 case RTE_CRYPTODEV_FF_IN_PLACE_SGL:
474 return "IN_PLACE_SGL";
475 case RTE_CRYPTODEV_FF_OOP_SGL_IN_SGL_OUT:
476 return "OOP_SGL_IN_SGL_OUT";
477 case RTE_CRYPTODEV_FF_OOP_SGL_IN_LB_OUT:
478 return "OOP_SGL_IN_LB_OUT";
479 case RTE_CRYPTODEV_FF_OOP_LB_IN_SGL_OUT:
480 return "OOP_LB_IN_SGL_OUT";
481 case RTE_CRYPTODEV_FF_OOP_LB_IN_LB_OUT:
482 return "OOP_LB_IN_LB_OUT";
483 case RTE_CRYPTODEV_FF_CPU_NEON:
484 return "CPU_NEON";
485 case RTE_CRYPTODEV_FF_CPU_ARM_CE:
486 return "CPU_ARM_CE";
487 case RTE_CRYPTODEV_FF_SECURITY:
488 return "SECURITY_PROTOCOL";
489 case RTE_CRYPTODEV_FF_RSA_PRIV_OP_KEY_EXP:
490 return "RSA_PRIV_OP_KEY_EXP";
491 case RTE_CRYPTODEV_FF_RSA_PRIV_OP_KEY_QT:
492 return "RSA_PRIV_OP_KEY_QT";
493 default:
494 return NULL;
495 }
496 }
497
498 struct rte_cryptodev *
499 rte_cryptodev_pmd_get_dev(uint8_t dev_id)
500 {
501 return &cryptodev_globals.devs[dev_id];
502 }
503
504 struct rte_cryptodev *
505 rte_cryptodev_pmd_get_named_dev(const char *name)
506 {
507 struct rte_cryptodev *dev;
508 unsigned int i;
509
510 if (name == NULL)
511 return NULL;
512
513 for (i = 0; i < cryptodev_globals.max_devs; i++) {
514 dev = &cryptodev_globals.devs[i];
515
516 if ((dev->attached == RTE_CRYPTODEV_ATTACHED) &&
517 (strcmp(dev->data->name, name) == 0))
518 return dev;
519 }
520
521 return NULL;
522 }
523
524 unsigned int
525 rte_cryptodev_pmd_is_valid_dev(uint8_t dev_id)
526 {
527 struct rte_cryptodev *dev = NULL;
528
529 if (dev_id >= cryptodev_globals.nb_devs)
530 return 0;
531
532 dev = rte_cryptodev_pmd_get_dev(dev_id);
533 if (dev->attached != RTE_CRYPTODEV_ATTACHED)
534 return 0;
535 else
536 return 1;
537 }
538
539
540 int
541 rte_cryptodev_get_dev_id(const char *name)
542 {
543 unsigned i;
544
545 if (name == NULL)
546 return -1;
547
548 for (i = 0; i < cryptodev_globals.nb_devs; i++)
549 if ((strcmp(cryptodev_globals.devs[i].data->name, name)
550 == 0) &&
551 (cryptodev_globals.devs[i].attached ==
552 RTE_CRYPTODEV_ATTACHED))
553 return i;
554
555 return -1;
556 }
557
558 uint8_t
559 rte_cryptodev_count(void)
560 {
561 return cryptodev_globals.nb_devs;
562 }
563
564 uint8_t
565 rte_cryptodev_device_count_by_driver(uint8_t driver_id)
566 {
567 uint8_t i, dev_count = 0;
568
569 for (i = 0; i < cryptodev_globals.max_devs; i++)
570 if (cryptodev_globals.devs[i].driver_id == driver_id &&
571 cryptodev_globals.devs[i].attached ==
572 RTE_CRYPTODEV_ATTACHED)
573 dev_count++;
574
575 return dev_count;
576 }
577
578 uint8_t
579 rte_cryptodev_devices_get(const char *driver_name, uint8_t *devices,
580 uint8_t nb_devices)
581 {
582 uint8_t i, count = 0;
583 struct rte_cryptodev *devs = cryptodev_globals.devs;
584 uint8_t max_devs = cryptodev_globals.max_devs;
585
586 for (i = 0; i < max_devs && count < nb_devices; i++) {
587
588 if (devs[i].attached == RTE_CRYPTODEV_ATTACHED) {
589 int cmp;
590
591 cmp = strncmp(devs[i].device->driver->name,
592 driver_name,
593 strlen(driver_name) + 1);
594
595 if (cmp == 0)
596 devices[count++] = devs[i].data->dev_id;
597 }
598 }
599
600 return count;
601 }
602
603 void *
604 rte_cryptodev_get_sec_ctx(uint8_t dev_id)
605 {
606 if (rte_crypto_devices[dev_id].feature_flags &
607 RTE_CRYPTODEV_FF_SECURITY)
608 return rte_crypto_devices[dev_id].security_ctx;
609
610 return NULL;
611 }
612
613 int
614 rte_cryptodev_socket_id(uint8_t dev_id)
615 {
616 struct rte_cryptodev *dev;
617
618 if (!rte_cryptodev_pmd_is_valid_dev(dev_id))
619 return -1;
620
621 dev = rte_cryptodev_pmd_get_dev(dev_id);
622
623 return dev->data->socket_id;
624 }
625
626 static inline int
627 rte_cryptodev_data_alloc(uint8_t dev_id, struct rte_cryptodev_data **data,
628 int socket_id)
629 {
630 char mz_name[RTE_CRYPTODEV_NAME_MAX_LEN];
631 const struct rte_memzone *mz;
632 int n;
633
634 /* generate memzone name */
635 n = snprintf(mz_name, sizeof(mz_name), "rte_cryptodev_data_%u", dev_id);
636 if (n >= (int)sizeof(mz_name))
637 return -EINVAL;
638
639 if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
640 mz = rte_memzone_reserve(mz_name,
641 sizeof(struct rte_cryptodev_data),
642 socket_id, 0);
643 } else
644 mz = rte_memzone_lookup(mz_name);
645
646 if (mz == NULL)
647 return -ENOMEM;
648
649 *data = mz->addr;
650 if (rte_eal_process_type() == RTE_PROC_PRIMARY)
651 memset(*data, 0, sizeof(struct rte_cryptodev_data));
652
653 return 0;
654 }
655
656 static uint8_t
657 rte_cryptodev_find_free_device_index(void)
658 {
659 uint8_t dev_id;
660
661 for (dev_id = 0; dev_id < RTE_CRYPTO_MAX_DEVS; dev_id++) {
662 if (rte_crypto_devices[dev_id].attached ==
663 RTE_CRYPTODEV_DETACHED)
664 return dev_id;
665 }
666 return RTE_CRYPTO_MAX_DEVS;
667 }
668
669 struct rte_cryptodev *
670 rte_cryptodev_pmd_allocate(const char *name, int socket_id)
671 {
672 struct rte_cryptodev *cryptodev;
673 uint8_t dev_id;
674
675 if (rte_cryptodev_pmd_get_named_dev(name) != NULL) {
676 CDEV_LOG_ERR("Crypto device with name %s already "
677 "allocated!", name);
678 return NULL;
679 }
680
681 dev_id = rte_cryptodev_find_free_device_index();
682 if (dev_id == RTE_CRYPTO_MAX_DEVS) {
683 CDEV_LOG_ERR("Reached maximum number of crypto devices");
684 return NULL;
685 }
686
687 cryptodev = rte_cryptodev_pmd_get_dev(dev_id);
688
689 if (cryptodev->data == NULL) {
690 struct rte_cryptodev_data *cryptodev_data =
691 cryptodev_globals.data[dev_id];
692
693 int retval = rte_cryptodev_data_alloc(dev_id, &cryptodev_data,
694 socket_id);
695
696 if (retval < 0 || cryptodev_data == NULL)
697 return NULL;
698
699 cryptodev->data = cryptodev_data;
700
701 strlcpy(cryptodev->data->name, name,
702 RTE_CRYPTODEV_NAME_MAX_LEN);
703
704 cryptodev->data->dev_id = dev_id;
705 cryptodev->data->socket_id = socket_id;
706 cryptodev->data->dev_started = 0;
707
708 /* init user callbacks */
709 TAILQ_INIT(&(cryptodev->link_intr_cbs));
710
711 cryptodev->attached = RTE_CRYPTODEV_ATTACHED;
712
713 cryptodev_globals.nb_devs++;
714 }
715
716 return cryptodev;
717 }
718
719 int
720 rte_cryptodev_pmd_release_device(struct rte_cryptodev *cryptodev)
721 {
722 int ret;
723
724 if (cryptodev == NULL)
725 return -EINVAL;
726
727 /* Close device only if device operations have been set */
728 if (cryptodev->dev_ops) {
729 ret = rte_cryptodev_close(cryptodev->data->dev_id);
730 if (ret < 0)
731 return ret;
732 }
733
734 cryptodev->attached = RTE_CRYPTODEV_DETACHED;
735 cryptodev_globals.nb_devs--;
736 return 0;
737 }
738
739 uint16_t
740 rte_cryptodev_queue_pair_count(uint8_t dev_id)
741 {
742 struct rte_cryptodev *dev;
743
744 dev = &rte_crypto_devices[dev_id];
745 return dev->data->nb_queue_pairs;
746 }
747
748 static int
749 rte_cryptodev_queue_pairs_config(struct rte_cryptodev *dev, uint16_t nb_qpairs,
750 int socket_id)
751 {
752 struct rte_cryptodev_info dev_info;
753 void **qp;
754 unsigned i;
755
756 if ((dev == NULL) || (nb_qpairs < 1)) {
757 CDEV_LOG_ERR("invalid param: dev %p, nb_queues %u",
758 dev, nb_qpairs);
759 return -EINVAL;
760 }
761
762 CDEV_LOG_DEBUG("Setup %d queues pairs on device %u",
763 nb_qpairs, dev->data->dev_id);
764
765 memset(&dev_info, 0, sizeof(struct rte_cryptodev_info));
766
767 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_infos_get, -ENOTSUP);
768 (*dev->dev_ops->dev_infos_get)(dev, &dev_info);
769
770 if (nb_qpairs > (dev_info.max_nb_queue_pairs)) {
771 CDEV_LOG_ERR("Invalid num queue_pairs (%u) for dev %u",
772 nb_qpairs, dev->data->dev_id);
773 return -EINVAL;
774 }
775
776 if (dev->data->queue_pairs == NULL) { /* first time configuration */
777 dev->data->queue_pairs = rte_zmalloc_socket(
778 "cryptodev->queue_pairs",
779 sizeof(dev->data->queue_pairs[0]) * nb_qpairs,
780 RTE_CACHE_LINE_SIZE, socket_id);
781
782 if (dev->data->queue_pairs == NULL) {
783 dev->data->nb_queue_pairs = 0;
784 CDEV_LOG_ERR("failed to get memory for qp meta data, "
785 "nb_queues %u",
786 nb_qpairs);
787 return -(ENOMEM);
788 }
789 } else { /* re-configure */
790 int ret;
791 uint16_t old_nb_queues = dev->data->nb_queue_pairs;
792
793 qp = dev->data->queue_pairs;
794
795 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->queue_pair_release,
796 -ENOTSUP);
797
798 for (i = nb_qpairs; i < old_nb_queues; i++) {
799 ret = (*dev->dev_ops->queue_pair_release)(dev, i);
800 if (ret < 0)
801 return ret;
802 }
803
804 qp = rte_realloc(qp, sizeof(qp[0]) * nb_qpairs,
805 RTE_CACHE_LINE_SIZE);
806 if (qp == NULL) {
807 CDEV_LOG_ERR("failed to realloc qp meta data,"
808 " nb_queues %u", nb_qpairs);
809 return -(ENOMEM);
810 }
811
812 if (nb_qpairs > old_nb_queues) {
813 uint16_t new_qs = nb_qpairs - old_nb_queues;
814
815 memset(qp + old_nb_queues, 0,
816 sizeof(qp[0]) * new_qs);
817 }
818
819 dev->data->queue_pairs = qp;
820
821 }
822 dev->data->nb_queue_pairs = nb_qpairs;
823 return 0;
824 }
825
826 int
827 rte_cryptodev_configure(uint8_t dev_id, struct rte_cryptodev_config *config)
828 {
829 struct rte_cryptodev *dev;
830 int diag;
831
832 if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
833 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
834 return -EINVAL;
835 }
836
837 dev = &rte_crypto_devices[dev_id];
838
839 if (dev->data->dev_started) {
840 CDEV_LOG_ERR(
841 "device %d must be stopped to allow configuration", dev_id);
842 return -EBUSY;
843 }
844
845 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_configure, -ENOTSUP);
846
847 /* Setup new number of queue pairs and reconfigure device. */
848 diag = rte_cryptodev_queue_pairs_config(dev, config->nb_queue_pairs,
849 config->socket_id);
850 if (diag != 0) {
851 CDEV_LOG_ERR("dev%d rte_crypto_dev_queue_pairs_config = %d",
852 dev_id, diag);
853 return diag;
854 }
855
856 return (*dev->dev_ops->dev_configure)(dev, config);
857 }
858
859
860 int
861 rte_cryptodev_start(uint8_t dev_id)
862 {
863 struct rte_cryptodev *dev;
864 int diag;
865
866 CDEV_LOG_DEBUG("Start dev_id=%" PRIu8, dev_id);
867
868 if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
869 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
870 return -EINVAL;
871 }
872
873 dev = &rte_crypto_devices[dev_id];
874
875 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_start, -ENOTSUP);
876
877 if (dev->data->dev_started != 0) {
878 CDEV_LOG_ERR("Device with dev_id=%" PRIu8 " already started",
879 dev_id);
880 return 0;
881 }
882
883 diag = (*dev->dev_ops->dev_start)(dev);
884 if (diag == 0)
885 dev->data->dev_started = 1;
886 else
887 return diag;
888
889 return 0;
890 }
891
892 void
893 rte_cryptodev_stop(uint8_t dev_id)
894 {
895 struct rte_cryptodev *dev;
896
897 if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
898 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
899 return;
900 }
901
902 dev = &rte_crypto_devices[dev_id];
903
904 RTE_FUNC_PTR_OR_RET(*dev->dev_ops->dev_stop);
905
906 if (dev->data->dev_started == 0) {
907 CDEV_LOG_ERR("Device with dev_id=%" PRIu8 " already stopped",
908 dev_id);
909 return;
910 }
911
912 (*dev->dev_ops->dev_stop)(dev);
913 dev->data->dev_started = 0;
914 }
915
916 int
917 rte_cryptodev_close(uint8_t dev_id)
918 {
919 struct rte_cryptodev *dev;
920 int retval;
921
922 if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
923 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
924 return -1;
925 }
926
927 dev = &rte_crypto_devices[dev_id];
928
929 /* Device must be stopped before it can be closed */
930 if (dev->data->dev_started == 1) {
931 CDEV_LOG_ERR("Device %u must be stopped before closing",
932 dev_id);
933 return -EBUSY;
934 }
935
936 /* We can't close the device if there are outstanding sessions in use */
937 if (dev->data->session_pool != NULL) {
938 if (!rte_mempool_full(dev->data->session_pool)) {
939 CDEV_LOG_ERR("dev_id=%u close failed, session mempool "
940 "has sessions still in use, free "
941 "all sessions before calling close",
942 (unsigned)dev_id);
943 return -EBUSY;
944 }
945 }
946
947 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_close, -ENOTSUP);
948 retval = (*dev->dev_ops->dev_close)(dev);
949
950 if (retval < 0)
951 return retval;
952
953 return 0;
954 }
955
956 int
957 rte_cryptodev_queue_pair_setup(uint8_t dev_id, uint16_t queue_pair_id,
958 const struct rte_cryptodev_qp_conf *qp_conf, int socket_id)
959
960 {
961 struct rte_cryptodev *dev;
962
963 if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
964 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
965 return -EINVAL;
966 }
967
968 dev = &rte_crypto_devices[dev_id];
969 if (queue_pair_id >= dev->data->nb_queue_pairs) {
970 CDEV_LOG_ERR("Invalid queue_pair_id=%d", queue_pair_id);
971 return -EINVAL;
972 }
973
974 if (!qp_conf) {
975 CDEV_LOG_ERR("qp_conf cannot be NULL\n");
976 return -EINVAL;
977 }
978
979 if ((qp_conf->mp_session && !qp_conf->mp_session_private) ||
980 (!qp_conf->mp_session && qp_conf->mp_session_private)) {
981 CDEV_LOG_ERR("Invalid mempools\n");
982 return -EINVAL;
983 }
984
985 if (qp_conf->mp_session) {
986 struct rte_cryptodev_sym_session_pool_private_data *pool_priv;
987 uint32_t obj_size = qp_conf->mp_session->elt_size;
988 uint32_t obj_priv_size = qp_conf->mp_session_private->elt_size;
989 struct rte_cryptodev_sym_session s = {0};
990
991 pool_priv = rte_mempool_get_priv(qp_conf->mp_session);
992 if (!pool_priv || qp_conf->mp_session->private_data_size <
993 sizeof(*pool_priv)) {
994 CDEV_LOG_ERR("Invalid mempool\n");
995 return -EINVAL;
996 }
997
998 s.nb_drivers = pool_priv->nb_drivers;
999 s.user_data_sz = pool_priv->user_data_sz;
1000
1001 if ((rte_cryptodev_sym_get_existing_header_session_size(&s) >
1002 obj_size) || (s.nb_drivers <= dev->driver_id) ||
1003 rte_cryptodev_sym_get_private_session_size(dev_id) >
1004 obj_priv_size) {
1005 CDEV_LOG_ERR("Invalid mempool\n");
1006 return -EINVAL;
1007 }
1008 }
1009
1010 if (dev->data->dev_started) {
1011 CDEV_LOG_ERR(
1012 "device %d must be stopped to allow configuration", dev_id);
1013 return -EBUSY;
1014 }
1015
1016 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->queue_pair_setup, -ENOTSUP);
1017
1018 return (*dev->dev_ops->queue_pair_setup)(dev, queue_pair_id, qp_conf,
1019 socket_id);
1020 }
1021
1022
1023 int
1024 rte_cryptodev_stats_get(uint8_t dev_id, struct rte_cryptodev_stats *stats)
1025 {
1026 struct rte_cryptodev *dev;
1027
1028 if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
1029 CDEV_LOG_ERR("Invalid dev_id=%d", dev_id);
1030 return -ENODEV;
1031 }
1032
1033 if (stats == NULL) {
1034 CDEV_LOG_ERR("Invalid stats ptr");
1035 return -EINVAL;
1036 }
1037
1038 dev = &rte_crypto_devices[dev_id];
1039 memset(stats, 0, sizeof(*stats));
1040
1041 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->stats_get, -ENOTSUP);
1042 (*dev->dev_ops->stats_get)(dev, stats);
1043 return 0;
1044 }
1045
1046 void
1047 rte_cryptodev_stats_reset(uint8_t dev_id)
1048 {
1049 struct rte_cryptodev *dev;
1050
1051 if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
1052 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
1053 return;
1054 }
1055
1056 dev = &rte_crypto_devices[dev_id];
1057
1058 RTE_FUNC_PTR_OR_RET(*dev->dev_ops->stats_reset);
1059 (*dev->dev_ops->stats_reset)(dev);
1060 }
1061
1062
1063 void
1064 rte_cryptodev_info_get(uint8_t dev_id, struct rte_cryptodev_info *dev_info)
1065 {
1066 struct rte_cryptodev *dev;
1067
1068 if (dev_id >= cryptodev_globals.nb_devs) {
1069 CDEV_LOG_ERR("Invalid dev_id=%d", dev_id);
1070 return;
1071 }
1072
1073 dev = &rte_crypto_devices[dev_id];
1074
1075 memset(dev_info, 0, sizeof(struct rte_cryptodev_info));
1076
1077 RTE_FUNC_PTR_OR_RET(*dev->dev_ops->dev_infos_get);
1078 (*dev->dev_ops->dev_infos_get)(dev, dev_info);
1079
1080 dev_info->driver_name = dev->device->driver->name;
1081 dev_info->device = dev->device;
1082 }
1083
1084
1085 int
1086 rte_cryptodev_callback_register(uint8_t dev_id,
1087 enum rte_cryptodev_event_type event,
1088 rte_cryptodev_cb_fn cb_fn, void *cb_arg)
1089 {
1090 struct rte_cryptodev *dev;
1091 struct rte_cryptodev_callback *user_cb;
1092
1093 if (!cb_fn)
1094 return -EINVAL;
1095
1096 if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
1097 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
1098 return -EINVAL;
1099 }
1100
1101 dev = &rte_crypto_devices[dev_id];
1102 rte_spinlock_lock(&rte_cryptodev_cb_lock);
1103
1104 TAILQ_FOREACH(user_cb, &(dev->link_intr_cbs), next) {
1105 if (user_cb->cb_fn == cb_fn &&
1106 user_cb->cb_arg == cb_arg &&
1107 user_cb->event == event) {
1108 break;
1109 }
1110 }
1111
1112 /* create a new callback. */
1113 if (user_cb == NULL) {
1114 user_cb = rte_zmalloc("INTR_USER_CALLBACK",
1115 sizeof(struct rte_cryptodev_callback), 0);
1116 if (user_cb != NULL) {
1117 user_cb->cb_fn = cb_fn;
1118 user_cb->cb_arg = cb_arg;
1119 user_cb->event = event;
1120 TAILQ_INSERT_TAIL(&(dev->link_intr_cbs), user_cb, next);
1121 }
1122 }
1123
1124 rte_spinlock_unlock(&rte_cryptodev_cb_lock);
1125 return (user_cb == NULL) ? -ENOMEM : 0;
1126 }
1127
1128 int
1129 rte_cryptodev_callback_unregister(uint8_t dev_id,
1130 enum rte_cryptodev_event_type event,
1131 rte_cryptodev_cb_fn cb_fn, void *cb_arg)
1132 {
1133 int ret;
1134 struct rte_cryptodev *dev;
1135 struct rte_cryptodev_callback *cb, *next;
1136
1137 if (!cb_fn)
1138 return -EINVAL;
1139
1140 if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
1141 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
1142 return -EINVAL;
1143 }
1144
1145 dev = &rte_crypto_devices[dev_id];
1146 rte_spinlock_lock(&rte_cryptodev_cb_lock);
1147
1148 ret = 0;
1149 for (cb = TAILQ_FIRST(&dev->link_intr_cbs); cb != NULL; cb = next) {
1150
1151 next = TAILQ_NEXT(cb, next);
1152
1153 if (cb->cb_fn != cb_fn || cb->event != event ||
1154 (cb->cb_arg != (void *)-1 &&
1155 cb->cb_arg != cb_arg))
1156 continue;
1157
1158 /*
1159 * if this callback is not executing right now,
1160 * then remove it.
1161 */
1162 if (cb->active == 0) {
1163 TAILQ_REMOVE(&(dev->link_intr_cbs), cb, next);
1164 rte_free(cb);
1165 } else {
1166 ret = -EAGAIN;
1167 }
1168 }
1169
1170 rte_spinlock_unlock(&rte_cryptodev_cb_lock);
1171 return ret;
1172 }
1173
1174 void
1175 rte_cryptodev_pmd_callback_process(struct rte_cryptodev *dev,
1176 enum rte_cryptodev_event_type event)
1177 {
1178 struct rte_cryptodev_callback *cb_lst;
1179 struct rte_cryptodev_callback dev_cb;
1180
1181 rte_spinlock_lock(&rte_cryptodev_cb_lock);
1182 TAILQ_FOREACH(cb_lst, &(dev->link_intr_cbs), next) {
1183 if (cb_lst->cb_fn == NULL || cb_lst->event != event)
1184 continue;
1185 dev_cb = *cb_lst;
1186 cb_lst->active = 1;
1187 rte_spinlock_unlock(&rte_cryptodev_cb_lock);
1188 dev_cb.cb_fn(dev->data->dev_id, dev_cb.event,
1189 dev_cb.cb_arg);
1190 rte_spinlock_lock(&rte_cryptodev_cb_lock);
1191 cb_lst->active = 0;
1192 }
1193 rte_spinlock_unlock(&rte_cryptodev_cb_lock);
1194 }
1195
1196
1197 int
1198 rte_cryptodev_sym_session_init(uint8_t dev_id,
1199 struct rte_cryptodev_sym_session *sess,
1200 struct rte_crypto_sym_xform *xforms,
1201 struct rte_mempool *mp)
1202 {
1203 struct rte_cryptodev *dev;
1204 uint32_t sess_priv_sz = rte_cryptodev_sym_get_private_session_size(
1205 dev_id);
1206 uint8_t index;
1207 int ret;
1208
1209 dev = rte_cryptodev_pmd_get_dev(dev_id);
1210
1211 if (sess == NULL || xforms == NULL || dev == NULL)
1212 return -EINVAL;
1213
1214 if (mp->elt_size < sess_priv_sz)
1215 return -EINVAL;
1216
1217 index = dev->driver_id;
1218 if (index >= sess->nb_drivers)
1219 return -EINVAL;
1220
1221 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->sym_session_configure, -ENOTSUP);
1222
1223 if (sess->sess_data[index].refcnt == 0) {
1224 ret = dev->dev_ops->sym_session_configure(dev, xforms,
1225 sess, mp);
1226 if (ret < 0) {
1227 CDEV_LOG_ERR(
1228 "dev_id %d failed to configure session details",
1229 dev_id);
1230 return ret;
1231 }
1232 }
1233
1234 sess->sess_data[index].refcnt++;
1235 return 0;
1236 }
1237
1238 int __rte_experimental
1239 rte_cryptodev_asym_session_init(uint8_t dev_id,
1240 struct rte_cryptodev_asym_session *sess,
1241 struct rte_crypto_asym_xform *xforms,
1242 struct rte_mempool *mp)
1243 {
1244 struct rte_cryptodev *dev;
1245 uint8_t index;
1246 int ret;
1247
1248 dev = rte_cryptodev_pmd_get_dev(dev_id);
1249
1250 if (sess == NULL || xforms == NULL || dev == NULL)
1251 return -EINVAL;
1252
1253 index = dev->driver_id;
1254
1255 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->asym_session_configure,
1256 -ENOTSUP);
1257
1258 if (sess->sess_private_data[index] == NULL) {
1259 ret = dev->dev_ops->asym_session_configure(dev,
1260 xforms,
1261 sess, mp);
1262 if (ret < 0) {
1263 CDEV_LOG_ERR(
1264 "dev_id %d failed to configure session details",
1265 dev_id);
1266 return ret;
1267 }
1268 }
1269
1270 return 0;
1271 }
1272
1273 struct rte_mempool * __rte_experimental
1274 rte_cryptodev_sym_session_pool_create(const char *name, uint32_t nb_elts,
1275 uint32_t elt_size, uint32_t cache_size, uint16_t user_data_size,
1276 int socket_id)
1277 {
1278 struct rte_mempool *mp;
1279 struct rte_cryptodev_sym_session_pool_private_data *pool_priv;
1280 uint32_t obj_sz;
1281
1282 obj_sz = rte_cryptodev_sym_get_header_session_size() + user_data_size;
1283 if (obj_sz > elt_size)
1284 CDEV_LOG_INFO("elt_size %u is expanded to %u\n", elt_size,
1285 obj_sz);
1286 else
1287 obj_sz = elt_size;
1288
1289 mp = rte_mempool_create(name, nb_elts, obj_sz, cache_size,
1290 (uint32_t)(sizeof(*pool_priv)),
1291 NULL, NULL, NULL, NULL,
1292 socket_id, 0);
1293 if (mp == NULL) {
1294 CDEV_LOG_ERR("%s(name=%s) failed, rte_errno=%d\n",
1295 __func__, name, rte_errno);
1296 return NULL;
1297 }
1298
1299 pool_priv = rte_mempool_get_priv(mp);
1300 if (!pool_priv) {
1301 CDEV_LOG_ERR("%s(name=%s) failed to get private data\n",
1302 __func__, name);
1303 rte_mempool_free(mp);
1304 return NULL;
1305 }
1306
1307 pool_priv->nb_drivers = nb_drivers;
1308 pool_priv->user_data_sz = user_data_size;
1309
1310 return mp;
1311 }
1312
1313 static unsigned int
1314 rte_cryptodev_sym_session_data_size(struct rte_cryptodev_sym_session *sess)
1315 {
1316 return (sizeof(sess->sess_data[0]) * sess->nb_drivers) +
1317 sess->user_data_sz;
1318 }
1319
1320 struct rte_cryptodev_sym_session *
1321 rte_cryptodev_sym_session_create(struct rte_mempool *mp)
1322 {
1323 struct rte_cryptodev_sym_session *sess;
1324 struct rte_cryptodev_sym_session_pool_private_data *pool_priv;
1325
1326 if (!mp) {
1327 CDEV_LOG_ERR("Invalid mempool\n");
1328 return NULL;
1329 }
1330
1331 pool_priv = rte_mempool_get_priv(mp);
1332
1333 if (!pool_priv || mp->private_data_size < sizeof(*pool_priv)) {
1334 CDEV_LOG_ERR("Invalid mempool\n");
1335 return NULL;
1336 }
1337
1338 /* Allocate a session structure from the session pool */
1339 if (rte_mempool_get(mp, (void **)&sess)) {
1340 CDEV_LOG_ERR("couldn't get object from session mempool");
1341 return NULL;
1342 }
1343
1344 sess->nb_drivers = pool_priv->nb_drivers;
1345 sess->user_data_sz = pool_priv->user_data_sz;
1346 sess->opaque_data = 0;
1347
1348 /* Clear device session pointer.
1349 * Include the flag indicating presence of user data
1350 */
1351 memset(sess->sess_data, 0,
1352 rte_cryptodev_sym_session_data_size(sess));
1353
1354 return sess;
1355 }
1356
1357 struct rte_cryptodev_asym_session * __rte_experimental
1358 rte_cryptodev_asym_session_create(struct rte_mempool *mp)
1359 {
1360 struct rte_cryptodev_asym_session *sess;
1361
1362 /* Allocate a session structure from the session pool */
1363 if (rte_mempool_get(mp, (void **)&sess)) {
1364 CDEV_LOG_ERR("couldn't get object from session mempool");
1365 return NULL;
1366 }
1367
1368 /* Clear device session pointer.
1369 * Include the flag indicating presence of private data
1370 */
1371 memset(sess, 0, (sizeof(void *) * nb_drivers) + sizeof(uint8_t));
1372
1373 return sess;
1374 }
1375
1376 int
1377 rte_cryptodev_sym_session_clear(uint8_t dev_id,
1378 struct rte_cryptodev_sym_session *sess)
1379 {
1380 struct rte_cryptodev *dev;
1381 uint8_t driver_id;
1382
1383 dev = rte_cryptodev_pmd_get_dev(dev_id);
1384
1385 if (dev == NULL || sess == NULL)
1386 return -EINVAL;
1387
1388 driver_id = dev->driver_id;
1389 if (sess->sess_data[driver_id].refcnt == 0)
1390 return 0;
1391 if (--sess->sess_data[driver_id].refcnt != 0)
1392 return -EBUSY;
1393
1394 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->sym_session_clear, -ENOTSUP);
1395
1396 dev->dev_ops->sym_session_clear(dev, sess);
1397
1398 return 0;
1399 }
1400
1401 int __rte_experimental
1402 rte_cryptodev_asym_session_clear(uint8_t dev_id,
1403 struct rte_cryptodev_asym_session *sess)
1404 {
1405 struct rte_cryptodev *dev;
1406
1407 dev = rte_cryptodev_pmd_get_dev(dev_id);
1408
1409 if (dev == NULL || sess == NULL)
1410 return -EINVAL;
1411
1412 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->asym_session_clear, -ENOTSUP);
1413
1414 dev->dev_ops->asym_session_clear(dev, sess);
1415
1416 return 0;
1417 }
1418
1419 int
1420 rte_cryptodev_sym_session_free(struct rte_cryptodev_sym_session *sess)
1421 {
1422 uint8_t i;
1423 struct rte_mempool *sess_mp;
1424
1425 if (sess == NULL)
1426 return -EINVAL;
1427
1428 /* Check that all device private data has been freed */
1429 for (i = 0; i < sess->nb_drivers; i++) {
1430 if (sess->sess_data[i].refcnt != 0)
1431 return -EBUSY;
1432 }
1433
1434 /* Return session to mempool */
1435 sess_mp = rte_mempool_from_obj(sess);
1436 rte_mempool_put(sess_mp, sess);
1437
1438 return 0;
1439 }
1440
1441 int __rte_experimental
1442 rte_cryptodev_asym_session_free(struct rte_cryptodev_asym_session *sess)
1443 {
1444 uint8_t i;
1445 void *sess_priv;
1446 struct rte_mempool *sess_mp;
1447
1448 if (sess == NULL)
1449 return -EINVAL;
1450
1451 /* Check that all device private data has been freed */
1452 for (i = 0; i < nb_drivers; i++) {
1453 sess_priv = get_asym_session_private_data(sess, i);
1454 if (sess_priv != NULL)
1455 return -EBUSY;
1456 }
1457
1458 /* Return session to mempool */
1459 sess_mp = rte_mempool_from_obj(sess);
1460 rte_mempool_put(sess_mp, sess);
1461
1462 return 0;
1463 }
1464
1465 unsigned int
1466 rte_cryptodev_sym_get_header_session_size(void)
1467 {
1468 /*
1469 * Header contains pointers to the private data of all registered
1470 * drivers and all necessary information to ensure safely clear
1471 * or free al session.
1472 */
1473 struct rte_cryptodev_sym_session s = {0};
1474
1475 s.nb_drivers = nb_drivers;
1476
1477 return (unsigned int)(sizeof(s) +
1478 rte_cryptodev_sym_session_data_size(&s));
1479 }
1480
1481 unsigned int __rte_experimental
1482 rte_cryptodev_sym_get_existing_header_session_size(
1483 struct rte_cryptodev_sym_session *sess)
1484 {
1485 if (!sess)
1486 return 0;
1487 else
1488 return (unsigned int)(sizeof(*sess) +
1489 rte_cryptodev_sym_session_data_size(sess));
1490 }
1491
1492 unsigned int __rte_experimental
1493 rte_cryptodev_asym_get_header_session_size(void)
1494 {
1495 /*
1496 * Header contains pointers to the private data
1497 * of all registered drivers, and a flag which
1498 * indicates presence of private data
1499 */
1500 return ((sizeof(void *) * nb_drivers) + sizeof(uint8_t));
1501 }
1502
1503 unsigned int
1504 rte_cryptodev_sym_get_private_session_size(uint8_t dev_id)
1505 {
1506 struct rte_cryptodev *dev;
1507 unsigned int priv_sess_size;
1508
1509 if (!rte_cryptodev_pmd_is_valid_dev(dev_id))
1510 return 0;
1511
1512 dev = rte_cryptodev_pmd_get_dev(dev_id);
1513
1514 if (*dev->dev_ops->sym_session_get_size == NULL)
1515 return 0;
1516
1517 priv_sess_size = (*dev->dev_ops->sym_session_get_size)(dev);
1518
1519 return priv_sess_size;
1520 }
1521
1522 unsigned int __rte_experimental
1523 rte_cryptodev_asym_get_private_session_size(uint8_t dev_id)
1524 {
1525 struct rte_cryptodev *dev;
1526 unsigned int header_size = sizeof(void *) * nb_drivers;
1527 unsigned int priv_sess_size;
1528
1529 if (!rte_cryptodev_pmd_is_valid_dev(dev_id))
1530 return 0;
1531
1532 dev = rte_cryptodev_pmd_get_dev(dev_id);
1533
1534 if (*dev->dev_ops->asym_session_get_size == NULL)
1535 return 0;
1536
1537 priv_sess_size = (*dev->dev_ops->asym_session_get_size)(dev);
1538 if (priv_sess_size < header_size)
1539 return header_size;
1540
1541 return priv_sess_size;
1542
1543 }
1544
1545 int __rte_experimental
1546 rte_cryptodev_sym_session_set_user_data(
1547 struct rte_cryptodev_sym_session *sess,
1548 void *data,
1549 uint16_t size)
1550 {
1551 if (sess == NULL)
1552 return -EINVAL;
1553
1554 if (sess->user_data_sz < size)
1555 return -ENOMEM;
1556
1557 rte_memcpy(sess->sess_data + sess->nb_drivers, data, size);
1558 return 0;
1559 }
1560
1561 void * __rte_experimental
1562 rte_cryptodev_sym_session_get_user_data(
1563 struct rte_cryptodev_sym_session *sess)
1564 {
1565 if (sess == NULL || sess->user_data_sz == 0)
1566 return NULL;
1567
1568 return (void *)(sess->sess_data + sess->nb_drivers);
1569 }
1570
1571 /** Initialise rte_crypto_op mempool element */
1572 static void
1573 rte_crypto_op_init(struct rte_mempool *mempool,
1574 void *opaque_arg,
1575 void *_op_data,
1576 __rte_unused unsigned i)
1577 {
1578 struct rte_crypto_op *op = _op_data;
1579 enum rte_crypto_op_type type = *(enum rte_crypto_op_type *)opaque_arg;
1580
1581 memset(_op_data, 0, mempool->elt_size);
1582
1583 __rte_crypto_op_reset(op, type);
1584
1585 op->phys_addr = rte_mem_virt2iova(_op_data);
1586 op->mempool = mempool;
1587 }
1588
1589
1590 struct rte_mempool *
1591 rte_crypto_op_pool_create(const char *name, enum rte_crypto_op_type type,
1592 unsigned nb_elts, unsigned cache_size, uint16_t priv_size,
1593 int socket_id)
1594 {
1595 struct rte_crypto_op_pool_private *priv;
1596
1597 unsigned elt_size = sizeof(struct rte_crypto_op) +
1598 priv_size;
1599
1600 if (type == RTE_CRYPTO_OP_TYPE_SYMMETRIC) {
1601 elt_size += sizeof(struct rte_crypto_sym_op);
1602 } else if (type == RTE_CRYPTO_OP_TYPE_ASYMMETRIC) {
1603 elt_size += sizeof(struct rte_crypto_asym_op);
1604 } else if (type == RTE_CRYPTO_OP_TYPE_UNDEFINED) {
1605 elt_size += RTE_MAX(sizeof(struct rte_crypto_sym_op),
1606 sizeof(struct rte_crypto_asym_op));
1607 } else {
1608 CDEV_LOG_ERR("Invalid op_type\n");
1609 return NULL;
1610 }
1611
1612 /* lookup mempool in case already allocated */
1613 struct rte_mempool *mp = rte_mempool_lookup(name);
1614
1615 if (mp != NULL) {
1616 priv = (struct rte_crypto_op_pool_private *)
1617 rte_mempool_get_priv(mp);
1618
1619 if (mp->elt_size != elt_size ||
1620 mp->cache_size < cache_size ||
1621 mp->size < nb_elts ||
1622 priv->priv_size < priv_size) {
1623 mp = NULL;
1624 CDEV_LOG_ERR("Mempool %s already exists but with "
1625 "incompatible parameters", name);
1626 return NULL;
1627 }
1628 return mp;
1629 }
1630
1631 mp = rte_mempool_create(
1632 name,
1633 nb_elts,
1634 elt_size,
1635 cache_size,
1636 sizeof(struct rte_crypto_op_pool_private),
1637 NULL,
1638 NULL,
1639 rte_crypto_op_init,
1640 &type,
1641 socket_id,
1642 0);
1643
1644 if (mp == NULL) {
1645 CDEV_LOG_ERR("Failed to create mempool %s", name);
1646 return NULL;
1647 }
1648
1649 priv = (struct rte_crypto_op_pool_private *)
1650 rte_mempool_get_priv(mp);
1651
1652 priv->priv_size = priv_size;
1653 priv->type = type;
1654
1655 return mp;
1656 }
1657
1658 int
1659 rte_cryptodev_pmd_create_dev_name(char *name, const char *dev_name_prefix)
1660 {
1661 struct rte_cryptodev *dev = NULL;
1662 uint32_t i = 0;
1663
1664 if (name == NULL)
1665 return -EINVAL;
1666
1667 for (i = 0; i < RTE_CRYPTO_MAX_DEVS; i++) {
1668 int ret = snprintf(name, RTE_CRYPTODEV_NAME_MAX_LEN,
1669 "%s_%u", dev_name_prefix, i);
1670
1671 if (ret < 0)
1672 return ret;
1673
1674 dev = rte_cryptodev_pmd_get_named_dev(name);
1675 if (!dev)
1676 return 0;
1677 }
1678
1679 return -1;
1680 }
1681
1682 TAILQ_HEAD(cryptodev_driver_list, cryptodev_driver);
1683
1684 static struct cryptodev_driver_list cryptodev_driver_list =
1685 TAILQ_HEAD_INITIALIZER(cryptodev_driver_list);
1686
1687 int
1688 rte_cryptodev_driver_id_get(const char *name)
1689 {
1690 struct cryptodev_driver *driver;
1691 const char *driver_name;
1692
1693 if (name == NULL) {
1694 RTE_LOG(DEBUG, CRYPTODEV, "name pointer NULL");
1695 return -1;
1696 }
1697
1698 TAILQ_FOREACH(driver, &cryptodev_driver_list, next) {
1699 driver_name = driver->driver->name;
1700 if (strncmp(driver_name, name, strlen(driver_name) + 1) == 0)
1701 return driver->id;
1702 }
1703 return -1;
1704 }
1705
1706 const char *
1707 rte_cryptodev_name_get(uint8_t dev_id)
1708 {
1709 struct rte_cryptodev *dev = rte_cryptodev_pmd_get_dev(dev_id);
1710
1711 if (dev == NULL)
1712 return NULL;
1713
1714 return dev->data->name;
1715 }
1716
1717 const char *
1718 rte_cryptodev_driver_name_get(uint8_t driver_id)
1719 {
1720 struct cryptodev_driver *driver;
1721
1722 TAILQ_FOREACH(driver, &cryptodev_driver_list, next)
1723 if (driver->id == driver_id)
1724 return driver->driver->name;
1725 return NULL;
1726 }
1727
1728 uint8_t
1729 rte_cryptodev_allocate_driver(struct cryptodev_driver *crypto_drv,
1730 const struct rte_driver *drv)
1731 {
1732 crypto_drv->driver = drv;
1733 crypto_drv->id = nb_drivers;
1734
1735 TAILQ_INSERT_TAIL(&cryptodev_driver_list, crypto_drv, next);
1736
1737 return nb_drivers++;
1738 }
Ceph