4 * Copyright(c) 2015-2017 Intel Corporation. All rights reserved.
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
10 * * Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * * Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in
14 * the documentation and/or other materials provided with the
16 * * Neither the name of Intel Corporation nor the names of its
17 * contributors may be used to endorse or promote products derived
18 * from this software without specific prior written permission.
20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
21 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
22 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
23 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
24 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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26 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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28 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
30 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
33 #include <sys/types.h>
34 #include <sys/queue.h>
43 #include <netinet/in.h>
45 #include <rte_byteorder.h>
47 #include <rte_debug.h>
49 #include <rte_interrupts.h>
50 #include <rte_memory.h>
51 #include <rte_memcpy.h>
52 #include <rte_memzone.h>
53 #include <rte_launch.h>
54 #include <rte_tailq.h>
56 #include <rte_per_lcore.h>
57 #include <rte_lcore.h>
58 #include <rte_atomic.h>
59 #include <rte_branch_prediction.h>
60 #include <rte_common.h>
61 #include <rte_mempool.h>
62 #include <rte_malloc.h>
64 #include <rte_errno.h>
65 #include <rte_spinlock.h>
66 #include <rte_string_fns.h>
68 #include "rte_crypto.h"
69 #include "rte_cryptodev.h"
70 #include "rte_cryptodev_pmd.h"
72 static uint8_t nb_drivers;
74 struct rte_cryptodev rte_crypto_devices[RTE_CRYPTO_MAX_DEVS];
76 struct rte_cryptodev *rte_cryptodevs = &rte_crypto_devices[0];
78 static struct rte_cryptodev_global cryptodev_globals = {
79 .devs = &rte_crypto_devices[0],
82 .max_devs = RTE_CRYPTO_MAX_DEVS
85 struct rte_cryptodev_global *rte_cryptodev_globals = &cryptodev_globals;
87 /* spinlock for crypto device callbacks */
88 static rte_spinlock_t rte_cryptodev_cb_lock = RTE_SPINLOCK_INITIALIZER;
92 * The user application callback description.
94 * It contains callback address to be registered by user application,
95 * the pointer to the parameters for callback, and the event type.
97 struct rte_cryptodev_callback {
98 TAILQ_ENTRY(rte_cryptodev_callback) next; /**< Callbacks list */
99 rte_cryptodev_cb_fn cb_fn; /**< Callback address */
100 void *cb_arg; /**< Parameter for callback */
101 enum rte_cryptodev_event_type event; /**< Interrupt event type */
102 uint32_t active; /**< Callback is executing */
106 * The crypto cipher algorithm strings identifiers.
107 * It could be used in application command line.
110 rte_crypto_cipher_algorithm_strings[] = {
111 [RTE_CRYPTO_CIPHER_3DES_CBC] = "3des-cbc",
112 [RTE_CRYPTO_CIPHER_3DES_ECB] = "3des-ecb",
113 [RTE_CRYPTO_CIPHER_3DES_CTR] = "3des-ctr",
115 [RTE_CRYPTO_CIPHER_AES_CBC] = "aes-cbc",
116 [RTE_CRYPTO_CIPHER_AES_CTR] = "aes-ctr",
117 [RTE_CRYPTO_CIPHER_AES_DOCSISBPI] = "aes-docsisbpi",
118 [RTE_CRYPTO_CIPHER_AES_ECB] = "aes-ecb",
119 [RTE_CRYPTO_CIPHER_AES_F8] = "aes-f8",
120 [RTE_CRYPTO_CIPHER_AES_XTS] = "aes-xts",
122 [RTE_CRYPTO_CIPHER_ARC4] = "arc4",
124 [RTE_CRYPTO_CIPHER_DES_CBC] = "des-cbc",
125 [RTE_CRYPTO_CIPHER_DES_DOCSISBPI] = "des-docsisbpi",
127 [RTE_CRYPTO_CIPHER_NULL] = "null",
129 [RTE_CRYPTO_CIPHER_KASUMI_F8] = "kasumi-f8",
130 [RTE_CRYPTO_CIPHER_SNOW3G_UEA2] = "snow3g-uea2",
131 [RTE_CRYPTO_CIPHER_ZUC_EEA3] = "zuc-eea3"
135 * The crypto cipher operation strings identifiers.
136 * It could be used in application command line.
139 rte_crypto_cipher_operation_strings[] = {
140 [RTE_CRYPTO_CIPHER_OP_ENCRYPT] = "encrypt",
141 [RTE_CRYPTO_CIPHER_OP_DECRYPT] = "decrypt"
145 * The crypto auth algorithm strings identifiers.
146 * It could be used in application command line.
149 rte_crypto_auth_algorithm_strings[] = {
150 [RTE_CRYPTO_AUTH_AES_CBC_MAC] = "aes-cbc-mac",
151 [RTE_CRYPTO_AUTH_AES_CMAC] = "aes-cmac",
152 [RTE_CRYPTO_AUTH_AES_GMAC] = "aes-gmac",
153 [RTE_CRYPTO_AUTH_AES_XCBC_MAC] = "aes-xcbc-mac",
155 [RTE_CRYPTO_AUTH_MD5] = "md5",
156 [RTE_CRYPTO_AUTH_MD5_HMAC] = "md5-hmac",
158 [RTE_CRYPTO_AUTH_NULL] = "null",
160 [RTE_CRYPTO_AUTH_SHA1] = "sha1",
161 [RTE_CRYPTO_AUTH_SHA1_HMAC] = "sha1-hmac",
163 [RTE_CRYPTO_AUTH_SHA224] = "sha2-224",
164 [RTE_CRYPTO_AUTH_SHA224_HMAC] = "sha2-224-hmac",
165 [RTE_CRYPTO_AUTH_SHA256] = "sha2-256",
166 [RTE_CRYPTO_AUTH_SHA256_HMAC] = "sha2-256-hmac",
167 [RTE_CRYPTO_AUTH_SHA384] = "sha2-384",
168 [RTE_CRYPTO_AUTH_SHA384_HMAC] = "sha2-384-hmac",
169 [RTE_CRYPTO_AUTH_SHA512] = "sha2-512",
170 [RTE_CRYPTO_AUTH_SHA512_HMAC] = "sha2-512-hmac",
172 [RTE_CRYPTO_AUTH_KASUMI_F9] = "kasumi-f9",
173 [RTE_CRYPTO_AUTH_SNOW3G_UIA2] = "snow3g-uia2",
174 [RTE_CRYPTO_AUTH_ZUC_EIA3] = "zuc-eia3"
178 * The crypto AEAD algorithm strings identifiers.
179 * It could be used in application command line.
182 rte_crypto_aead_algorithm_strings[] = {
183 [RTE_CRYPTO_AEAD_AES_CCM] = "aes-ccm",
184 [RTE_CRYPTO_AEAD_AES_GCM] = "aes-gcm",
188 * The crypto AEAD operation strings identifiers.
189 * It could be used in application command line.
192 rte_crypto_aead_operation_strings[] = {
193 [RTE_CRYPTO_AEAD_OP_ENCRYPT] = "encrypt",
194 [RTE_CRYPTO_AEAD_OP_DECRYPT] = "decrypt"
198 rte_cryptodev_get_cipher_algo_enum(enum rte_crypto_cipher_algorithm *algo_enum,
199 const char *algo_string)
203 for (i = 1; i < RTE_DIM(rte_crypto_cipher_algorithm_strings); i++) {
204 if (strcmp(algo_string, rte_crypto_cipher_algorithm_strings[i]) == 0) {
205 *algo_enum = (enum rte_crypto_cipher_algorithm) i;
215 rte_cryptodev_get_auth_algo_enum(enum rte_crypto_auth_algorithm *algo_enum,
216 const char *algo_string)
220 for (i = 1; i < RTE_DIM(rte_crypto_auth_algorithm_strings); i++) {
221 if (strcmp(algo_string, rte_crypto_auth_algorithm_strings[i]) == 0) {
222 *algo_enum = (enum rte_crypto_auth_algorithm) i;
232 rte_cryptodev_get_aead_algo_enum(enum rte_crypto_aead_algorithm *algo_enum,
233 const char *algo_string)
237 for (i = 1; i < RTE_DIM(rte_crypto_aead_algorithm_strings); i++) {
238 if (strcmp(algo_string, rte_crypto_aead_algorithm_strings[i]) == 0) {
239 *algo_enum = (enum rte_crypto_aead_algorithm) i;
249 * The crypto auth operation strings identifiers.
250 * It could be used in application command line.
253 rte_crypto_auth_operation_strings[] = {
254 [RTE_CRYPTO_AUTH_OP_VERIFY] = "verify",
255 [RTE_CRYPTO_AUTH_OP_GENERATE] = "generate"
258 const struct rte_cryptodev_symmetric_capability *
259 rte_cryptodev_sym_capability_get(uint8_t dev_id,
260 const struct rte_cryptodev_sym_capability_idx *idx)
262 const struct rte_cryptodev_capabilities *capability;
263 struct rte_cryptodev_info dev_info;
266 rte_cryptodev_info_get(dev_id, &dev_info);
268 while ((capability = &dev_info.capabilities[i++])->op !=
269 RTE_CRYPTO_OP_TYPE_UNDEFINED) {
270 if (capability->op != RTE_CRYPTO_OP_TYPE_SYMMETRIC)
273 if (capability->sym.xform_type != idx->type)
276 if (idx->type == RTE_CRYPTO_SYM_XFORM_AUTH &&
277 capability->sym.auth.algo == idx->algo.auth)
278 return &capability->sym;
280 if (idx->type == RTE_CRYPTO_SYM_XFORM_CIPHER &&
281 capability->sym.cipher.algo == idx->algo.cipher)
282 return &capability->sym;
284 if (idx->type == RTE_CRYPTO_SYM_XFORM_AEAD &&
285 capability->sym.aead.algo == idx->algo.aead)
286 return &capability->sym;
293 #define param_range_check(x, y) \
294 (((x < y.min) || (x > y.max)) || \
295 (y.increment != 0 && (x % y.increment) != 0))
298 rte_cryptodev_sym_capability_check_cipher(
299 const struct rte_cryptodev_symmetric_capability *capability,
300 uint16_t key_size, uint16_t iv_size)
302 if (param_range_check(key_size, capability->cipher.key_size))
305 if (param_range_check(iv_size, capability->cipher.iv_size))
312 rte_cryptodev_sym_capability_check_auth(
313 const struct rte_cryptodev_symmetric_capability *capability,
314 uint16_t key_size, uint16_t digest_size, uint16_t iv_size)
316 if (param_range_check(key_size, capability->auth.key_size))
319 if (param_range_check(digest_size, capability->auth.digest_size))
322 if (param_range_check(iv_size, capability->auth.iv_size))
329 rte_cryptodev_sym_capability_check_aead(
330 const struct rte_cryptodev_symmetric_capability *capability,
331 uint16_t key_size, uint16_t digest_size, uint16_t aad_size,
334 if (param_range_check(key_size, capability->aead.key_size))
337 if (param_range_check(digest_size, capability->aead.digest_size))
340 if (param_range_check(aad_size, capability->aead.aad_size))
343 if (param_range_check(iv_size, capability->aead.iv_size))
350 rte_cryptodev_get_feature_name(uint64_t flag)
353 case RTE_CRYPTODEV_FF_SYMMETRIC_CRYPTO:
354 return "SYMMETRIC_CRYPTO";
355 case RTE_CRYPTODEV_FF_ASYMMETRIC_CRYPTO:
356 return "ASYMMETRIC_CRYPTO";
357 case RTE_CRYPTODEV_FF_SYM_OPERATION_CHAINING:
358 return "SYM_OPERATION_CHAINING";
359 case RTE_CRYPTODEV_FF_CPU_SSE:
361 case RTE_CRYPTODEV_FF_CPU_AVX:
363 case RTE_CRYPTODEV_FF_CPU_AVX2:
365 case RTE_CRYPTODEV_FF_CPU_AESNI:
367 case RTE_CRYPTODEV_FF_HW_ACCELERATED:
368 return "HW_ACCELERATED";
369 case RTE_CRYPTODEV_FF_MBUF_SCATTER_GATHER:
370 return "MBUF_SCATTER_GATHER";
371 case RTE_CRYPTODEV_FF_CPU_NEON:
373 case RTE_CRYPTODEV_FF_CPU_ARM_CE:
380 struct rte_cryptodev *
381 rte_cryptodev_pmd_get_dev(uint8_t dev_id)
383 return &rte_cryptodev_globals->devs[dev_id];
386 struct rte_cryptodev *
387 rte_cryptodev_pmd_get_named_dev(const char *name)
389 struct rte_cryptodev *dev;
395 for (i = 0; i < rte_cryptodev_globals->max_devs; i++) {
396 dev = &rte_cryptodev_globals->devs[i];
398 if ((dev->attached == RTE_CRYPTODEV_ATTACHED) &&
399 (strcmp(dev->data->name, name) == 0))
407 rte_cryptodev_pmd_is_valid_dev(uint8_t dev_id)
409 struct rte_cryptodev *dev = NULL;
411 if (dev_id >= rte_cryptodev_globals->nb_devs)
414 dev = rte_cryptodev_pmd_get_dev(dev_id);
415 if (dev->attached != RTE_CRYPTODEV_ATTACHED)
423 rte_cryptodev_get_dev_id(const char *name)
430 for (i = 0; i < rte_cryptodev_globals->nb_devs; i++)
431 if ((strcmp(rte_cryptodev_globals->devs[i].data->name, name)
433 (rte_cryptodev_globals->devs[i].attached ==
434 RTE_CRYPTODEV_ATTACHED))
441 rte_cryptodev_count(void)
443 return rte_cryptodev_globals->nb_devs;
447 rte_cryptodev_device_count_by_driver(uint8_t driver_id)
449 uint8_t i, dev_count = 0;
451 for (i = 0; i < rte_cryptodev_globals->max_devs; i++)
452 if (rte_cryptodev_globals->devs[i].driver_id == driver_id &&
453 rte_cryptodev_globals->devs[i].attached ==
454 RTE_CRYPTODEV_ATTACHED)
461 rte_cryptodev_devices_get(const char *driver_name, uint8_t *devices,
464 uint8_t i, count = 0;
465 struct rte_cryptodev *devs = rte_cryptodev_globals->devs;
466 uint8_t max_devs = rte_cryptodev_globals->max_devs;
468 for (i = 0; i < max_devs && count < nb_devices; i++) {
470 if (devs[i].attached == RTE_CRYPTODEV_ATTACHED) {
473 cmp = strncmp(devs[i].device->driver->name,
475 strlen(driver_name));
478 devices[count++] = devs[i].data->dev_id;
486 rte_cryptodev_get_sec_ctx(uint8_t dev_id)
488 if (rte_crypto_devices[dev_id].feature_flags &
489 RTE_CRYPTODEV_FF_SECURITY)
490 return rte_crypto_devices[dev_id].security_ctx;
496 rte_cryptodev_socket_id(uint8_t dev_id)
498 struct rte_cryptodev *dev;
500 if (!rte_cryptodev_pmd_is_valid_dev(dev_id))
503 dev = rte_cryptodev_pmd_get_dev(dev_id);
505 return dev->data->socket_id;
509 rte_cryptodev_data_alloc(uint8_t dev_id, struct rte_cryptodev_data **data,
512 char mz_name[RTE_CRYPTODEV_NAME_MAX_LEN];
513 const struct rte_memzone *mz;
516 /* generate memzone name */
517 n = snprintf(mz_name, sizeof(mz_name), "rte_cryptodev_data_%u", dev_id);
518 if (n >= (int)sizeof(mz_name))
521 if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
522 mz = rte_memzone_reserve(mz_name,
523 sizeof(struct rte_cryptodev_data),
526 mz = rte_memzone_lookup(mz_name);
532 if (rte_eal_process_type() == RTE_PROC_PRIMARY)
533 memset(*data, 0, sizeof(struct rte_cryptodev_data));
539 rte_cryptodev_find_free_device_index(void)
543 for (dev_id = 0; dev_id < RTE_CRYPTO_MAX_DEVS; dev_id++) {
544 if (rte_crypto_devices[dev_id].attached ==
545 RTE_CRYPTODEV_DETACHED)
548 return RTE_CRYPTO_MAX_DEVS;
551 struct rte_cryptodev *
552 rte_cryptodev_pmd_allocate(const char *name, int socket_id)
554 struct rte_cryptodev *cryptodev;
557 if (rte_cryptodev_pmd_get_named_dev(name) != NULL) {
558 CDEV_LOG_ERR("Crypto device with name %s already "
563 dev_id = rte_cryptodev_find_free_device_index();
564 if (dev_id == RTE_CRYPTO_MAX_DEVS) {
565 CDEV_LOG_ERR("Reached maximum number of crypto devices");
569 cryptodev = rte_cryptodev_pmd_get_dev(dev_id);
571 if (cryptodev->data == NULL) {
572 struct rte_cryptodev_data *cryptodev_data =
573 cryptodev_globals.data[dev_id];
575 int retval = rte_cryptodev_data_alloc(dev_id, &cryptodev_data,
578 if (retval < 0 || cryptodev_data == NULL)
581 cryptodev->data = cryptodev_data;
583 snprintf(cryptodev->data->name, RTE_CRYPTODEV_NAME_MAX_LEN,
586 cryptodev->data->dev_id = dev_id;
587 cryptodev->data->socket_id = socket_id;
588 cryptodev->data->dev_started = 0;
590 /* init user callbacks */
591 TAILQ_INIT(&(cryptodev->link_intr_cbs));
593 cryptodev->attached = RTE_CRYPTODEV_ATTACHED;
595 cryptodev_globals.nb_devs++;
602 rte_cryptodev_pmd_release_device(struct rte_cryptodev *cryptodev)
606 if (cryptodev == NULL)
609 /* Close device only if device operations have been set */
610 if (cryptodev->dev_ops) {
611 ret = rte_cryptodev_close(cryptodev->data->dev_id);
616 cryptodev->attached = RTE_CRYPTODEV_DETACHED;
617 cryptodev_globals.nb_devs--;
622 rte_cryptodev_queue_pair_count(uint8_t dev_id)
624 struct rte_cryptodev *dev;
626 dev = &rte_crypto_devices[dev_id];
627 return dev->data->nb_queue_pairs;
631 rte_cryptodev_queue_pairs_config(struct rte_cryptodev *dev, uint16_t nb_qpairs,
634 struct rte_cryptodev_info dev_info;
638 if ((dev == NULL) || (nb_qpairs < 1)) {
639 CDEV_LOG_ERR("invalid param: dev %p, nb_queues %u",
644 CDEV_LOG_DEBUG("Setup %d queues pairs on device %u",
645 nb_qpairs, dev->data->dev_id);
647 memset(&dev_info, 0, sizeof(struct rte_cryptodev_info));
649 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_infos_get, -ENOTSUP);
650 (*dev->dev_ops->dev_infos_get)(dev, &dev_info);
652 if (nb_qpairs > (dev_info.max_nb_queue_pairs)) {
653 CDEV_LOG_ERR("Invalid num queue_pairs (%u) for dev %u",
654 nb_qpairs, dev->data->dev_id);
658 if (dev->data->queue_pairs == NULL) { /* first time configuration */
659 dev->data->queue_pairs = rte_zmalloc_socket(
660 "cryptodev->queue_pairs",
661 sizeof(dev->data->queue_pairs[0]) * nb_qpairs,
662 RTE_CACHE_LINE_SIZE, socket_id);
664 if (dev->data->queue_pairs == NULL) {
665 dev->data->nb_queue_pairs = 0;
666 CDEV_LOG_ERR("failed to get memory for qp meta data, "
671 } else { /* re-configure */
673 uint16_t old_nb_queues = dev->data->nb_queue_pairs;
675 qp = dev->data->queue_pairs;
677 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->queue_pair_release,
680 for (i = nb_qpairs; i < old_nb_queues; i++) {
681 ret = (*dev->dev_ops->queue_pair_release)(dev, i);
686 qp = rte_realloc(qp, sizeof(qp[0]) * nb_qpairs,
687 RTE_CACHE_LINE_SIZE);
689 CDEV_LOG_ERR("failed to realloc qp meta data,"
690 " nb_queues %u", nb_qpairs);
694 if (nb_qpairs > old_nb_queues) {
695 uint16_t new_qs = nb_qpairs - old_nb_queues;
697 memset(qp + old_nb_queues, 0,
698 sizeof(qp[0]) * new_qs);
701 dev->data->queue_pairs = qp;
704 dev->data->nb_queue_pairs = nb_qpairs;
709 rte_cryptodev_queue_pair_start(uint8_t dev_id, uint16_t queue_pair_id)
711 struct rte_cryptodev *dev;
713 if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
714 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
718 dev = &rte_crypto_devices[dev_id];
719 if (queue_pair_id >= dev->data->nb_queue_pairs) {
720 CDEV_LOG_ERR("Invalid queue_pair_id=%d", queue_pair_id);
724 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->queue_pair_start, -ENOTSUP);
726 return dev->dev_ops->queue_pair_start(dev, queue_pair_id);
731 rte_cryptodev_queue_pair_stop(uint8_t dev_id, uint16_t queue_pair_id)
733 struct rte_cryptodev *dev;
735 if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
736 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
740 dev = &rte_crypto_devices[dev_id];
741 if (queue_pair_id >= dev->data->nb_queue_pairs) {
742 CDEV_LOG_ERR("Invalid queue_pair_id=%d", queue_pair_id);
746 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->queue_pair_stop, -ENOTSUP);
748 return dev->dev_ops->queue_pair_stop(dev, queue_pair_id);
753 rte_cryptodev_configure(uint8_t dev_id, struct rte_cryptodev_config *config)
755 struct rte_cryptodev *dev;
758 if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
759 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
763 dev = &rte_crypto_devices[dev_id];
765 if (dev->data->dev_started) {
767 "device %d must be stopped to allow configuration", dev_id);
771 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_configure, -ENOTSUP);
773 /* Setup new number of queue pairs and reconfigure device. */
774 diag = rte_cryptodev_queue_pairs_config(dev, config->nb_queue_pairs,
777 CDEV_LOG_ERR("dev%d rte_crypto_dev_queue_pairs_config = %d",
782 return (*dev->dev_ops->dev_configure)(dev, config);
787 rte_cryptodev_start(uint8_t dev_id)
789 struct rte_cryptodev *dev;
792 CDEV_LOG_DEBUG("Start dev_id=%" PRIu8, dev_id);
794 if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
795 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
799 dev = &rte_crypto_devices[dev_id];
801 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_start, -ENOTSUP);
803 if (dev->data->dev_started != 0) {
804 CDEV_LOG_ERR("Device with dev_id=%" PRIu8 " already started",
809 diag = (*dev->dev_ops->dev_start)(dev);
811 dev->data->dev_started = 1;
819 rte_cryptodev_stop(uint8_t dev_id)
821 struct rte_cryptodev *dev;
823 if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
824 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
828 dev = &rte_crypto_devices[dev_id];
830 RTE_FUNC_PTR_OR_RET(*dev->dev_ops->dev_stop);
832 if (dev->data->dev_started == 0) {
833 CDEV_LOG_ERR("Device with dev_id=%" PRIu8 " already stopped",
838 (*dev->dev_ops->dev_stop)(dev);
839 dev->data->dev_started = 0;
843 rte_cryptodev_close(uint8_t dev_id)
845 struct rte_cryptodev *dev;
848 if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
849 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
853 dev = &rte_crypto_devices[dev_id];
855 /* Device must be stopped before it can be closed */
856 if (dev->data->dev_started == 1) {
857 CDEV_LOG_ERR("Device %u must be stopped before closing",
862 /* We can't close the device if there are outstanding sessions in use */
863 if (dev->data->session_pool != NULL) {
864 if (!rte_mempool_full(dev->data->session_pool)) {
865 CDEV_LOG_ERR("dev_id=%u close failed, session mempool "
866 "has sessions still in use, free "
867 "all sessions before calling close",
873 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_close, -ENOTSUP);
874 retval = (*dev->dev_ops->dev_close)(dev);
883 rte_cryptodev_queue_pair_setup(uint8_t dev_id, uint16_t queue_pair_id,
884 const struct rte_cryptodev_qp_conf *qp_conf, int socket_id,
885 struct rte_mempool *session_pool)
888 struct rte_cryptodev *dev;
890 if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
891 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
895 dev = &rte_crypto_devices[dev_id];
896 if (queue_pair_id >= dev->data->nb_queue_pairs) {
897 CDEV_LOG_ERR("Invalid queue_pair_id=%d", queue_pair_id);
901 if (dev->data->dev_started) {
903 "device %d must be stopped to allow configuration", dev_id);
907 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->queue_pair_setup, -ENOTSUP);
909 return (*dev->dev_ops->queue_pair_setup)(dev, queue_pair_id, qp_conf,
910 socket_id, session_pool);
915 rte_cryptodev_stats_get(uint8_t dev_id, struct rte_cryptodev_stats *stats)
917 struct rte_cryptodev *dev;
919 if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
920 CDEV_LOG_ERR("Invalid dev_id=%d", dev_id);
925 CDEV_LOG_ERR("Invalid stats ptr");
929 dev = &rte_crypto_devices[dev_id];
930 memset(stats, 0, sizeof(*stats));
932 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->stats_get, -ENOTSUP);
933 (*dev->dev_ops->stats_get)(dev, stats);
938 rte_cryptodev_stats_reset(uint8_t dev_id)
940 struct rte_cryptodev *dev;
942 if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
943 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
947 dev = &rte_crypto_devices[dev_id];
949 RTE_FUNC_PTR_OR_RET(*dev->dev_ops->stats_reset);
950 (*dev->dev_ops->stats_reset)(dev);
955 rte_cryptodev_info_get(uint8_t dev_id, struct rte_cryptodev_info *dev_info)
957 struct rte_cryptodev *dev;
959 if (dev_id >= cryptodev_globals.nb_devs) {
960 CDEV_LOG_ERR("Invalid dev_id=%d", dev_id);
964 dev = &rte_crypto_devices[dev_id];
966 memset(dev_info, 0, sizeof(struct rte_cryptodev_info));
968 RTE_FUNC_PTR_OR_RET(*dev->dev_ops->dev_infos_get);
969 (*dev->dev_ops->dev_infos_get)(dev, dev_info);
971 dev_info->driver_name = dev->device->driver->name;
976 rte_cryptodev_callback_register(uint8_t dev_id,
977 enum rte_cryptodev_event_type event,
978 rte_cryptodev_cb_fn cb_fn, void *cb_arg)
980 struct rte_cryptodev *dev;
981 struct rte_cryptodev_callback *user_cb;
986 if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
987 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
991 dev = &rte_crypto_devices[dev_id];
992 rte_spinlock_lock(&rte_cryptodev_cb_lock);
994 TAILQ_FOREACH(user_cb, &(dev->link_intr_cbs), next) {
995 if (user_cb->cb_fn == cb_fn &&
996 user_cb->cb_arg == cb_arg &&
997 user_cb->event == event) {
1002 /* create a new callback. */
1003 if (user_cb == NULL) {
1004 user_cb = rte_zmalloc("INTR_USER_CALLBACK",
1005 sizeof(struct rte_cryptodev_callback), 0);
1006 if (user_cb != NULL) {
1007 user_cb->cb_fn = cb_fn;
1008 user_cb->cb_arg = cb_arg;
1009 user_cb->event = event;
1010 TAILQ_INSERT_TAIL(&(dev->link_intr_cbs), user_cb, next);
1014 rte_spinlock_unlock(&rte_cryptodev_cb_lock);
1015 return (user_cb == NULL) ? -ENOMEM : 0;
1019 rte_cryptodev_callback_unregister(uint8_t dev_id,
1020 enum rte_cryptodev_event_type event,
1021 rte_cryptodev_cb_fn cb_fn, void *cb_arg)
1024 struct rte_cryptodev *dev;
1025 struct rte_cryptodev_callback *cb, *next;
1030 if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
1031 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
1035 dev = &rte_crypto_devices[dev_id];
1036 rte_spinlock_lock(&rte_cryptodev_cb_lock);
1039 for (cb = TAILQ_FIRST(&dev->link_intr_cbs); cb != NULL; cb = next) {
1041 next = TAILQ_NEXT(cb, next);
1043 if (cb->cb_fn != cb_fn || cb->event != event ||
1044 (cb->cb_arg != (void *)-1 &&
1045 cb->cb_arg != cb_arg))
1049 * if this callback is not executing right now,
1052 if (cb->active == 0) {
1053 TAILQ_REMOVE(&(dev->link_intr_cbs), cb, next);
1060 rte_spinlock_unlock(&rte_cryptodev_cb_lock);
1065 rte_cryptodev_pmd_callback_process(struct rte_cryptodev *dev,
1066 enum rte_cryptodev_event_type event)
1068 struct rte_cryptodev_callback *cb_lst;
1069 struct rte_cryptodev_callback dev_cb;
1071 rte_spinlock_lock(&rte_cryptodev_cb_lock);
1072 TAILQ_FOREACH(cb_lst, &(dev->link_intr_cbs), next) {
1073 if (cb_lst->cb_fn == NULL || cb_lst->event != event)
1077 rte_spinlock_unlock(&rte_cryptodev_cb_lock);
1078 dev_cb.cb_fn(dev->data->dev_id, dev_cb.event,
1080 rte_spinlock_lock(&rte_cryptodev_cb_lock);
1083 rte_spinlock_unlock(&rte_cryptodev_cb_lock);
1088 rte_cryptodev_sym_session_init(uint8_t dev_id,
1089 struct rte_cryptodev_sym_session *sess,
1090 struct rte_crypto_sym_xform *xforms,
1091 struct rte_mempool *mp)
1093 struct rte_cryptodev *dev;
1097 dev = rte_cryptodev_pmd_get_dev(dev_id);
1099 if (sess == NULL || xforms == NULL || dev == NULL)
1102 index = dev->driver_id;
1104 if (sess->sess_private_data[index] == NULL) {
1105 ret = dev->dev_ops->session_configure(dev, xforms, sess, mp);
1108 "dev_id %d failed to configure session details",
1117 struct rte_cryptodev_sym_session *
1118 rte_cryptodev_sym_session_create(struct rte_mempool *mp)
1120 struct rte_cryptodev_sym_session *sess;
1122 /* Allocate a session structure from the session pool */
1123 if (rte_mempool_get(mp, (void *)&sess)) {
1124 CDEV_LOG_ERR("couldn't get object from session mempool");
1128 /* Clear device session pointer */
1129 memset(sess, 0, (sizeof(void *) * nb_drivers));
1135 rte_cryptodev_queue_pair_attach_sym_session(uint8_t dev_id, uint16_t qp_id,
1136 struct rte_cryptodev_sym_session *sess)
1138 struct rte_cryptodev *dev;
1140 if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
1141 CDEV_LOG_ERR("Invalid dev_id=%d", dev_id);
1145 dev = &rte_crypto_devices[dev_id];
1147 /* The API is optional, not returning error if driver do not suuport */
1148 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->qp_attach_session, 0);
1150 void *sess_priv = get_session_private_data(sess, dev->driver_id);
1152 if (dev->dev_ops->qp_attach_session(dev, qp_id, sess_priv)) {
1153 CDEV_LOG_ERR("dev_id %d failed to attach qp: %d with session",
1162 rte_cryptodev_queue_pair_detach_sym_session(uint8_t dev_id, uint16_t qp_id,
1163 struct rte_cryptodev_sym_session *sess)
1165 struct rte_cryptodev *dev;
1167 if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
1168 CDEV_LOG_ERR("Invalid dev_id=%d", dev_id);
1172 dev = &rte_crypto_devices[dev_id];
1174 /* The API is optional, not returning error if driver do not suuport */
1175 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->qp_detach_session, 0);
1177 void *sess_priv = get_session_private_data(sess, dev->driver_id);
1179 if (dev->dev_ops->qp_detach_session(dev, qp_id, sess_priv)) {
1180 CDEV_LOG_ERR("dev_id %d failed to detach qp: %d from session",
1189 rte_cryptodev_sym_session_clear(uint8_t dev_id,
1190 struct rte_cryptodev_sym_session *sess)
1192 struct rte_cryptodev *dev;
1194 dev = rte_cryptodev_pmd_get_dev(dev_id);
1196 if (dev == NULL || sess == NULL)
1199 dev->dev_ops->session_clear(dev, sess);
1205 rte_cryptodev_sym_session_free(struct rte_cryptodev_sym_session *sess)
1209 struct rte_mempool *sess_mp;
1214 /* Check that all device private data has been freed */
1215 for (i = 0; i < nb_drivers; i++) {
1216 sess_priv = get_session_private_data(sess, i);
1217 if (sess_priv != NULL)
1221 /* Return session to mempool */
1222 sess_mp = rte_mempool_from_obj(sess);
1223 rte_mempool_put(sess_mp, sess);
1229 rte_cryptodev_get_header_session_size(void)
1232 * Header contains pointers to the private data
1233 * of all registered drivers
1235 return (sizeof(void *) * nb_drivers);
1239 rte_cryptodev_get_private_session_size(uint8_t dev_id)
1241 struct rte_cryptodev *dev;
1242 unsigned int header_size = sizeof(void *) * nb_drivers;
1243 unsigned int priv_sess_size;
1245 if (!rte_cryptodev_pmd_is_valid_dev(dev_id))
1248 dev = rte_cryptodev_pmd_get_dev(dev_id);
1250 if (*dev->dev_ops->session_get_size == NULL)
1253 priv_sess_size = (*dev->dev_ops->session_get_size)(dev);
1256 * If size is less than session header size,
1257 * return the latter, as this guarantees that
1258 * sessionless operations will work
1260 if (priv_sess_size < header_size)
1263 return priv_sess_size;
1267 /** Initialise rte_crypto_op mempool element */
1269 rte_crypto_op_init(struct rte_mempool *mempool,
1272 __rte_unused unsigned i)
1274 struct rte_crypto_op *op = _op_data;
1275 enum rte_crypto_op_type type = *(enum rte_crypto_op_type *)opaque_arg;
1277 memset(_op_data, 0, mempool->elt_size);
1279 __rte_crypto_op_reset(op, type);
1281 op->phys_addr = rte_mem_virt2iova(_op_data);
1282 op->mempool = mempool;
1286 struct rte_mempool *
1287 rte_crypto_op_pool_create(const char *name, enum rte_crypto_op_type type,
1288 unsigned nb_elts, unsigned cache_size, uint16_t priv_size,
1291 struct rte_crypto_op_pool_private *priv;
1293 unsigned elt_size = sizeof(struct rte_crypto_op) +
1294 sizeof(struct rte_crypto_sym_op) +
1297 /* lookup mempool in case already allocated */
1298 struct rte_mempool *mp = rte_mempool_lookup(name);
1301 priv = (struct rte_crypto_op_pool_private *)
1302 rte_mempool_get_priv(mp);
1304 if (mp->elt_size != elt_size ||
1305 mp->cache_size < cache_size ||
1306 mp->size < nb_elts ||
1307 priv->priv_size < priv_size) {
1309 CDEV_LOG_ERR("Mempool %s already exists but with "
1310 "incompatible parameters", name);
1316 mp = rte_mempool_create(
1321 sizeof(struct rte_crypto_op_pool_private),
1330 CDEV_LOG_ERR("Failed to create mempool %s", name);
1334 priv = (struct rte_crypto_op_pool_private *)
1335 rte_mempool_get_priv(mp);
1337 priv->priv_size = priv_size;
1344 rte_cryptodev_pmd_create_dev_name(char *name, const char *dev_name_prefix)
1346 struct rte_cryptodev *dev = NULL;
1352 for (i = 0; i < RTE_CRYPTO_MAX_DEVS; i++) {
1353 int ret = snprintf(name, RTE_CRYPTODEV_NAME_MAX_LEN,
1354 "%s_%u", dev_name_prefix, i);
1359 dev = rte_cryptodev_pmd_get_named_dev(name);
1367 TAILQ_HEAD(cryptodev_driver_list, cryptodev_driver);
1369 static struct cryptodev_driver_list cryptodev_driver_list =
1370 TAILQ_HEAD_INITIALIZER(cryptodev_driver_list);
1373 rte_cryptodev_driver_id_get(const char *name)
1375 struct cryptodev_driver *driver;
1376 const char *driver_name;
1379 RTE_LOG(DEBUG, CRYPTODEV, "name pointer NULL");
1383 TAILQ_FOREACH(driver, &cryptodev_driver_list, next) {
1384 driver_name = driver->driver->name;
1385 if (strncmp(driver_name, name, strlen(driver_name)) == 0)
1392 rte_cryptodev_name_get(uint8_t dev_id)
1394 struct rte_cryptodev *dev = rte_cryptodev_pmd_get_dev(dev_id);
1399 return dev->data->name;
1403 rte_cryptodev_driver_name_get(uint8_t driver_id)
1405 struct cryptodev_driver *driver;
1407 TAILQ_FOREACH(driver, &cryptodev_driver_list, next)
1408 if (driver->id == driver_id)
1409 return driver->driver->name;
1414 rte_cryptodev_allocate_driver(struct cryptodev_driver *crypto_drv,
1415 const struct rte_driver *drv)
1417 crypto_drv->driver = drv;
1418 crypto_drv->id = nb_drivers;
1420 TAILQ_INSERT_TAIL(&cryptodev_driver_list, crypto_drv, next);
1422 return nb_drivers++;