4 * Copyright(c) 2015-2016 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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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>
51 #include <rte_memory.h>
52 #include <rte_memcpy.h>
53 #include <rte_memzone.h>
54 #include <rte_launch.h>
55 #include <rte_tailq.h>
57 #include <rte_per_lcore.h>
58 #include <rte_lcore.h>
59 #include <rte_atomic.h>
60 #include <rte_branch_prediction.h>
61 #include <rte_common.h>
62 #include <rte_mempool.h>
63 #include <rte_malloc.h>
65 #include <rte_errno.h>
66 #include <rte_spinlock.h>
67 #include <rte_string_fns.h>
69 #include "rte_crypto.h"
70 #include "rte_cryptodev.h"
71 #include "rte_cryptodev_pmd.h"
73 struct rte_cryptodev rte_crypto_devices[RTE_CRYPTO_MAX_DEVS];
75 struct rte_cryptodev *rte_cryptodevs = &rte_crypto_devices[0];
77 static struct rte_cryptodev_global cryptodev_globals = {
78 .devs = &rte_crypto_devices[0],
81 .max_devs = RTE_CRYPTO_MAX_DEVS
84 struct rte_cryptodev_global *rte_cryptodev_globals = &cryptodev_globals;
86 /* spinlock for crypto device callbacks */
87 static rte_spinlock_t rte_cryptodev_cb_lock = RTE_SPINLOCK_INITIALIZER;
91 * The user application callback description.
93 * It contains callback address to be registered by user application,
94 * the pointer to the parameters for callback, and the event type.
96 struct rte_cryptodev_callback {
97 TAILQ_ENTRY(rte_cryptodev_callback) next; /**< Callbacks list */
98 rte_cryptodev_cb_fn cb_fn; /**< Callback address */
99 void *cb_arg; /**< Parameter for callback */
100 enum rte_cryptodev_event_type event; /**< Interrupt event type */
101 uint32_t active; /**< Callback is executing */
104 #define RTE_CRYPTODEV_VDEV_MAX_NB_QP_ARG ("max_nb_queue_pairs")
105 #define RTE_CRYPTODEV_VDEV_MAX_NB_SESS_ARG ("max_nb_sessions")
106 #define RTE_CRYPTODEV_VDEV_SOCKET_ID ("socket_id")
108 static const char *cryptodev_vdev_valid_params[] = {
109 RTE_CRYPTODEV_VDEV_MAX_NB_QP_ARG,
110 RTE_CRYPTODEV_VDEV_MAX_NB_SESS_ARG,
111 RTE_CRYPTODEV_VDEV_SOCKET_ID
115 number_of_sockets(void)
119 const struct rte_memseg *ms = rte_eal_get_physmem_layout();
121 for (i = 0; ((i < RTE_MAX_MEMSEG) && (ms[i].addr != NULL)); i++) {
122 if (sockets < ms[i].socket_id)
123 sockets = ms[i].socket_id;
126 /* Number of sockets = maximum socket_id + 1 */
130 /** Parse integer from integer argument */
132 parse_integer_arg(const char *key __rte_unused,
133 const char *value, void *extra_args)
135 int *i = (int *) extra_args;
139 CDEV_LOG_ERR("Argument has to be positive.");
147 rte_cryptodev_parse_vdev_init_params(struct rte_crypto_vdev_init_params *params,
148 const char *input_args)
150 struct rte_kvargs *kvlist = NULL;
157 kvlist = rte_kvargs_parse(input_args,
158 cryptodev_vdev_valid_params);
162 ret = rte_kvargs_process(kvlist,
163 RTE_CRYPTODEV_VDEV_MAX_NB_QP_ARG,
165 ¶ms->max_nb_queue_pairs);
169 ret = rte_kvargs_process(kvlist,
170 RTE_CRYPTODEV_VDEV_MAX_NB_SESS_ARG,
172 ¶ms->max_nb_sessions);
176 ret = rte_kvargs_process(kvlist, RTE_CRYPTODEV_VDEV_SOCKET_ID,
182 if (params->socket_id >= number_of_sockets()) {
183 CDEV_LOG_ERR("Invalid socket id specified to create "
184 "the virtual crypto device on");
190 rte_kvargs_free(kvlist);
195 rte_cryptodev_get_feature_name(uint64_t flag)
198 case RTE_CRYPTODEV_FF_SYMMETRIC_CRYPTO:
199 return "SYMMETRIC_CRYPTO";
200 case RTE_CRYPTODEV_FF_ASYMMETRIC_CRYPTO:
201 return "ASYMMETRIC_CRYPTO";
202 case RTE_CRYPTODEV_FF_SYM_OPERATION_CHAINING:
203 return "SYM_OPERATION_CHAINING";
204 case RTE_CRYPTODEV_FF_CPU_SSE:
206 case RTE_CRYPTODEV_FF_CPU_AVX:
208 case RTE_CRYPTODEV_FF_CPU_AVX2:
210 case RTE_CRYPTODEV_FF_CPU_AESNI:
212 case RTE_CRYPTODEV_FF_HW_ACCELERATED:
213 return "HW_ACCELERATED";
222 rte_cryptodev_create_vdev(const char *name, const char *args)
224 return rte_eal_vdev_init(name, args);
228 rte_cryptodev_get_dev_id(const char *name)
235 for (i = 0; i < rte_cryptodev_globals->nb_devs; i++)
236 if ((strcmp(rte_cryptodev_globals->devs[i].data->name, name)
238 (rte_cryptodev_globals->devs[i].attached ==
239 RTE_CRYPTODEV_ATTACHED))
246 rte_cryptodev_count(void)
248 return rte_cryptodev_globals->nb_devs;
252 rte_cryptodev_count_devtype(enum rte_cryptodev_type type)
254 uint8_t i, dev_count = 0;
256 for (i = 0; i < rte_cryptodev_globals->max_devs; i++)
257 if (rte_cryptodev_globals->devs[i].dev_type == type &&
258 rte_cryptodev_globals->devs[i].attached ==
259 RTE_CRYPTODEV_ATTACHED)
266 rte_cryptodev_socket_id(uint8_t dev_id)
268 struct rte_cryptodev *dev;
270 if (!rte_cryptodev_pmd_is_valid_dev(dev_id))
273 dev = rte_cryptodev_pmd_get_dev(dev_id);
275 return dev->data->socket_id;
279 rte_cryptodev_data_alloc(uint8_t dev_id, struct rte_cryptodev_data **data,
282 char mz_name[RTE_CRYPTODEV_NAME_MAX_LEN];
283 const struct rte_memzone *mz;
286 /* generate memzone name */
287 n = snprintf(mz_name, sizeof(mz_name), "rte_cryptodev_data_%u", dev_id);
288 if (n >= (int)sizeof(mz_name))
291 if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
292 mz = rte_memzone_reserve(mz_name,
293 sizeof(struct rte_cryptodev_data),
296 mz = rte_memzone_lookup(mz_name);
302 if (rte_eal_process_type() == RTE_PROC_PRIMARY)
303 memset(*data, 0, sizeof(struct rte_cryptodev_data));
309 rte_cryptodev_find_free_device_index(void)
313 for (dev_id = 0; dev_id < RTE_CRYPTO_MAX_DEVS; dev_id++) {
314 if (rte_crypto_devices[dev_id].attached ==
315 RTE_CRYPTODEV_DETACHED)
318 return RTE_CRYPTO_MAX_DEVS;
321 struct rte_cryptodev *
322 rte_cryptodev_pmd_allocate(const char *name, int socket_id)
324 struct rte_cryptodev *cryptodev;
327 if (rte_cryptodev_pmd_get_named_dev(name) != NULL) {
328 CDEV_LOG_ERR("Crypto device with name %s already "
333 dev_id = rte_cryptodev_find_free_device_index();
334 if (dev_id == RTE_CRYPTO_MAX_DEVS) {
335 CDEV_LOG_ERR("Reached maximum number of crypto devices");
339 cryptodev = rte_cryptodev_pmd_get_dev(dev_id);
341 if (cryptodev->data == NULL) {
342 struct rte_cryptodev_data *cryptodev_data =
343 cryptodev_globals.data[dev_id];
345 int retval = rte_cryptodev_data_alloc(dev_id, &cryptodev_data,
348 if (retval < 0 || cryptodev_data == NULL)
351 cryptodev->data = cryptodev_data;
353 snprintf(cryptodev->data->name, RTE_CRYPTODEV_NAME_MAX_LEN,
356 cryptodev->data->dev_id = dev_id;
357 cryptodev->data->socket_id = socket_id;
358 cryptodev->data->dev_started = 0;
360 cryptodev->attached = RTE_CRYPTODEV_ATTACHED;
362 cryptodev_globals.nb_devs++;
369 rte_cryptodev_pmd_release_device(struct rte_cryptodev *cryptodev)
373 if (cryptodev == NULL)
376 ret = rte_cryptodev_close(cryptodev->data->dev_id);
380 cryptodev->attached = RTE_CRYPTODEV_DETACHED;
381 cryptodev_globals.nb_devs--;
385 struct rte_cryptodev *
386 rte_cryptodev_pmd_virtual_dev_init(const char *name, size_t dev_private_size,
389 struct rte_cryptodev *cryptodev;
391 /* allocate device structure */
392 cryptodev = rte_cryptodev_pmd_allocate(name, socket_id);
393 if (cryptodev == NULL)
396 /* allocate private device structure */
397 if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
398 cryptodev->data->dev_private =
399 rte_zmalloc_socket("cryptodev device private",
404 if (cryptodev->data->dev_private == NULL)
405 rte_panic("Cannot allocate memzone for private device"
409 /* initialise user call-back tail queue */
410 TAILQ_INIT(&(cryptodev->link_intr_cbs));
416 rte_cryptodev_pci_probe(struct rte_pci_driver *pci_drv,
417 struct rte_pci_device *pci_dev)
419 struct rte_cryptodev_driver *cryptodrv;
420 struct rte_cryptodev *cryptodev;
422 char cryptodev_name[RTE_CRYPTODEV_NAME_MAX_LEN];
426 cryptodrv = (struct rte_cryptodev_driver *)pci_drv;
427 if (cryptodrv == NULL)
430 rte_eal_pci_device_name(&pci_dev->addr, cryptodev_name,
431 sizeof(cryptodev_name));
433 cryptodev = rte_cryptodev_pmd_allocate(cryptodev_name, rte_socket_id());
434 if (cryptodev == NULL)
437 if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
438 cryptodev->data->dev_private =
440 "cryptodev private structure",
441 cryptodrv->dev_private_size,
445 if (cryptodev->data->dev_private == NULL)
446 rte_panic("Cannot allocate memzone for private "
450 cryptodev->pci_dev = pci_dev;
451 cryptodev->driver = cryptodrv;
453 /* init user callbacks */
454 TAILQ_INIT(&(cryptodev->link_intr_cbs));
456 /* Invoke PMD device initialization function */
457 retval = (*cryptodrv->cryptodev_init)(cryptodrv, cryptodev);
461 CDEV_LOG_ERR("driver %s: crypto_dev_init(vendor_id=0x%x device_id=0x%x)"
462 " failed", pci_drv->driver.name,
463 (unsigned) pci_dev->id.vendor_id,
464 (unsigned) pci_dev->id.device_id);
466 if (rte_eal_process_type() == RTE_PROC_PRIMARY)
467 rte_free(cryptodev->data->dev_private);
469 cryptodev->attached = RTE_CRYPTODEV_DETACHED;
470 cryptodev_globals.nb_devs--;
476 rte_cryptodev_pci_remove(struct rte_pci_device *pci_dev)
478 const struct rte_cryptodev_driver *cryptodrv;
479 struct rte_cryptodev *cryptodev;
480 char cryptodev_name[RTE_CRYPTODEV_NAME_MAX_LEN];
486 rte_eal_pci_device_name(&pci_dev->addr, cryptodev_name,
487 sizeof(cryptodev_name));
489 cryptodev = rte_cryptodev_pmd_get_named_dev(cryptodev_name);
490 if (cryptodev == NULL)
493 cryptodrv = (const struct rte_cryptodev_driver *)pci_dev->driver;
494 if (cryptodrv == NULL)
497 /* Invoke PMD device uninit function */
498 if (*cryptodrv->cryptodev_uninit) {
499 ret = (*cryptodrv->cryptodev_uninit)(cryptodrv, cryptodev);
504 /* free crypto device */
505 rte_cryptodev_pmd_release_device(cryptodev);
507 if (rte_eal_process_type() == RTE_PROC_PRIMARY)
508 rte_free(cryptodev->data->dev_private);
510 cryptodev->pci_dev = NULL;
511 cryptodev->driver = NULL;
512 cryptodev->data = NULL;
518 rte_cryptodev_queue_pair_count(uint8_t dev_id)
520 struct rte_cryptodev *dev;
522 dev = &rte_crypto_devices[dev_id];
523 return dev->data->nb_queue_pairs;
527 rte_cryptodev_queue_pairs_config(struct rte_cryptodev *dev, uint16_t nb_qpairs,
530 struct rte_cryptodev_info dev_info;
534 if ((dev == NULL) || (nb_qpairs < 1)) {
535 CDEV_LOG_ERR("invalid param: dev %p, nb_queues %u",
540 CDEV_LOG_DEBUG("Setup %d queues pairs on device %u",
541 nb_qpairs, dev->data->dev_id);
543 memset(&dev_info, 0, sizeof(struct rte_cryptodev_info));
545 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_infos_get, -ENOTSUP);
546 (*dev->dev_ops->dev_infos_get)(dev, &dev_info);
548 if (nb_qpairs > (dev_info.max_nb_queue_pairs)) {
549 CDEV_LOG_ERR("Invalid num queue_pairs (%u) for dev %u",
550 nb_qpairs, dev->data->dev_id);
554 if (dev->data->queue_pairs == NULL) { /* first time configuration */
555 dev->data->queue_pairs = rte_zmalloc_socket(
556 "cryptodev->queue_pairs",
557 sizeof(dev->data->queue_pairs[0]) * nb_qpairs,
558 RTE_CACHE_LINE_SIZE, socket_id);
560 if (dev->data->queue_pairs == NULL) {
561 dev->data->nb_queue_pairs = 0;
562 CDEV_LOG_ERR("failed to get memory for qp meta data, "
567 } else { /* re-configure */
569 uint16_t old_nb_queues = dev->data->nb_queue_pairs;
571 qp = dev->data->queue_pairs;
573 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->queue_pair_release,
576 for (i = nb_qpairs; i < old_nb_queues; i++) {
577 ret = (*dev->dev_ops->queue_pair_release)(dev, i);
582 qp = rte_realloc(qp, sizeof(qp[0]) * nb_qpairs,
583 RTE_CACHE_LINE_SIZE);
585 CDEV_LOG_ERR("failed to realloc qp meta data,"
586 " nb_queues %u", nb_qpairs);
590 if (nb_qpairs > old_nb_queues) {
591 uint16_t new_qs = nb_qpairs - old_nb_queues;
593 memset(qp + old_nb_queues, 0,
594 sizeof(qp[0]) * new_qs);
597 dev->data->queue_pairs = qp;
600 dev->data->nb_queue_pairs = nb_qpairs;
605 rte_cryptodev_queue_pair_start(uint8_t dev_id, uint16_t queue_pair_id)
607 struct rte_cryptodev *dev;
609 if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
610 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
614 dev = &rte_crypto_devices[dev_id];
615 if (queue_pair_id >= dev->data->nb_queue_pairs) {
616 CDEV_LOG_ERR("Invalid queue_pair_id=%d", queue_pair_id);
620 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->queue_pair_start, -ENOTSUP);
622 return dev->dev_ops->queue_pair_start(dev, queue_pair_id);
627 rte_cryptodev_queue_pair_stop(uint8_t dev_id, uint16_t queue_pair_id)
629 struct rte_cryptodev *dev;
631 if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
632 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
636 dev = &rte_crypto_devices[dev_id];
637 if (queue_pair_id >= dev->data->nb_queue_pairs) {
638 CDEV_LOG_ERR("Invalid queue_pair_id=%d", queue_pair_id);
642 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->queue_pair_stop, -ENOTSUP);
644 return dev->dev_ops->queue_pair_stop(dev, queue_pair_id);
649 rte_cryptodev_sym_session_pool_create(struct rte_cryptodev *dev,
650 unsigned nb_objs, unsigned obj_cache_size, int socket_id);
653 rte_cryptodev_configure(uint8_t dev_id, struct rte_cryptodev_config *config)
655 struct rte_cryptodev *dev;
658 if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
659 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
663 dev = &rte_crypto_devices[dev_id];
665 if (dev->data->dev_started) {
667 "device %d must be stopped to allow configuration", dev_id);
671 /* Setup new number of queue pairs and reconfigure device. */
672 diag = rte_cryptodev_queue_pairs_config(dev, config->nb_queue_pairs,
675 CDEV_LOG_ERR("dev%d rte_crypto_dev_queue_pairs_config = %d",
680 /* Setup Session mempool for device */
681 return rte_cryptodev_sym_session_pool_create(dev,
682 config->session_mp.nb_objs,
683 config->session_mp.cache_size,
689 rte_cryptodev_start(uint8_t dev_id)
691 struct rte_cryptodev *dev;
694 CDEV_LOG_DEBUG("Start dev_id=%" PRIu8, dev_id);
696 if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
697 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
701 dev = &rte_crypto_devices[dev_id];
703 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_start, -ENOTSUP);
705 if (dev->data->dev_started != 0) {
706 CDEV_LOG_ERR("Device with dev_id=%" PRIu8 " already started",
711 diag = (*dev->dev_ops->dev_start)(dev);
713 dev->data->dev_started = 1;
721 rte_cryptodev_stop(uint8_t dev_id)
723 struct rte_cryptodev *dev;
725 if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
726 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
730 dev = &rte_crypto_devices[dev_id];
732 RTE_FUNC_PTR_OR_RET(*dev->dev_ops->dev_stop);
734 if (dev->data->dev_started == 0) {
735 CDEV_LOG_ERR("Device with dev_id=%" PRIu8 " already stopped",
740 dev->data->dev_started = 0;
741 (*dev->dev_ops->dev_stop)(dev);
745 rte_cryptodev_close(uint8_t dev_id)
747 struct rte_cryptodev *dev;
750 if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
751 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
755 dev = &rte_crypto_devices[dev_id];
757 /* Device must be stopped before it can be closed */
758 if (dev->data->dev_started == 1) {
759 CDEV_LOG_ERR("Device %u must be stopped before closing",
764 /* We can't close the device if there are outstanding sessions in use */
765 if (dev->data->session_pool != NULL) {
766 if (!rte_mempool_full(dev->data->session_pool)) {
767 CDEV_LOG_ERR("dev_id=%u close failed, session mempool "
768 "has sessions still in use, free "
769 "all sessions before calling close",
775 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_close, -ENOTSUP);
776 retval = (*dev->dev_ops->dev_close)(dev);
785 rte_cryptodev_queue_pair_setup(uint8_t dev_id, uint16_t queue_pair_id,
786 const struct rte_cryptodev_qp_conf *qp_conf, int socket_id)
788 struct rte_cryptodev *dev;
790 if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
791 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
795 dev = &rte_crypto_devices[dev_id];
796 if (queue_pair_id >= dev->data->nb_queue_pairs) {
797 CDEV_LOG_ERR("Invalid queue_pair_id=%d", queue_pair_id);
801 if (dev->data->dev_started) {
803 "device %d must be stopped to allow configuration", dev_id);
807 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->queue_pair_setup, -ENOTSUP);
809 return (*dev->dev_ops->queue_pair_setup)(dev, queue_pair_id, qp_conf,
815 rte_cryptodev_stats_get(uint8_t dev_id, struct rte_cryptodev_stats *stats)
817 struct rte_cryptodev *dev;
819 if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
820 CDEV_LOG_ERR("Invalid dev_id=%d", dev_id);
825 CDEV_LOG_ERR("Invalid stats ptr");
829 dev = &rte_crypto_devices[dev_id];
830 memset(stats, 0, sizeof(*stats));
832 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->stats_get, -ENOTSUP);
833 (*dev->dev_ops->stats_get)(dev, stats);
838 rte_cryptodev_stats_reset(uint8_t dev_id)
840 struct rte_cryptodev *dev;
842 if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
843 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
847 dev = &rte_crypto_devices[dev_id];
849 RTE_FUNC_PTR_OR_RET(*dev->dev_ops->stats_reset);
850 (*dev->dev_ops->stats_reset)(dev);
855 rte_cryptodev_info_get(uint8_t dev_id, struct rte_cryptodev_info *dev_info)
857 struct rte_cryptodev *dev;
859 if (dev_id >= cryptodev_globals.nb_devs) {
860 CDEV_LOG_ERR("Invalid dev_id=%d", dev_id);
864 dev = &rte_crypto_devices[dev_id];
866 memset(dev_info, 0, sizeof(struct rte_cryptodev_info));
868 RTE_FUNC_PTR_OR_RET(*dev->dev_ops->dev_infos_get);
869 (*dev->dev_ops->dev_infos_get)(dev, dev_info);
871 dev_info->pci_dev = dev->pci_dev;
873 dev_info->driver_name = dev->driver->pci_drv.driver.name;
878 rte_cryptodev_callback_register(uint8_t dev_id,
879 enum rte_cryptodev_event_type event,
880 rte_cryptodev_cb_fn cb_fn, void *cb_arg)
882 struct rte_cryptodev *dev;
883 struct rte_cryptodev_callback *user_cb;
888 if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
889 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
893 dev = &rte_crypto_devices[dev_id];
894 rte_spinlock_lock(&rte_cryptodev_cb_lock);
896 TAILQ_FOREACH(user_cb, &(dev->link_intr_cbs), next) {
897 if (user_cb->cb_fn == cb_fn &&
898 user_cb->cb_arg == cb_arg &&
899 user_cb->event == event) {
904 /* create a new callback. */
905 if (user_cb == NULL) {
906 user_cb = rte_zmalloc("INTR_USER_CALLBACK",
907 sizeof(struct rte_cryptodev_callback), 0);
908 if (user_cb != NULL) {
909 user_cb->cb_fn = cb_fn;
910 user_cb->cb_arg = cb_arg;
911 user_cb->event = event;
912 TAILQ_INSERT_TAIL(&(dev->link_intr_cbs), user_cb, next);
916 rte_spinlock_unlock(&rte_cryptodev_cb_lock);
917 return (user_cb == NULL) ? -ENOMEM : 0;
921 rte_cryptodev_callback_unregister(uint8_t dev_id,
922 enum rte_cryptodev_event_type event,
923 rte_cryptodev_cb_fn cb_fn, void *cb_arg)
926 struct rte_cryptodev *dev;
927 struct rte_cryptodev_callback *cb, *next;
932 if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
933 CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
937 dev = &rte_crypto_devices[dev_id];
938 rte_spinlock_lock(&rte_cryptodev_cb_lock);
941 for (cb = TAILQ_FIRST(&dev->link_intr_cbs); cb != NULL; cb = next) {
943 next = TAILQ_NEXT(cb, next);
945 if (cb->cb_fn != cb_fn || cb->event != event ||
946 (cb->cb_arg != (void *)-1 &&
947 cb->cb_arg != cb_arg))
951 * if this callback is not executing right now,
954 if (cb->active == 0) {
955 TAILQ_REMOVE(&(dev->link_intr_cbs), cb, next);
962 rte_spinlock_unlock(&rte_cryptodev_cb_lock);
967 rte_cryptodev_pmd_callback_process(struct rte_cryptodev *dev,
968 enum rte_cryptodev_event_type event)
970 struct rte_cryptodev_callback *cb_lst;
971 struct rte_cryptodev_callback dev_cb;
973 rte_spinlock_lock(&rte_cryptodev_cb_lock);
974 TAILQ_FOREACH(cb_lst, &(dev->link_intr_cbs), next) {
975 if (cb_lst->cb_fn == NULL || cb_lst->event != event)
979 rte_spinlock_unlock(&rte_cryptodev_cb_lock);
980 dev_cb.cb_fn(dev->data->dev_id, dev_cb.event,
982 rte_spinlock_lock(&rte_cryptodev_cb_lock);
985 rte_spinlock_unlock(&rte_cryptodev_cb_lock);
990 rte_cryptodev_sym_session_init(struct rte_mempool *mp,
993 __rte_unused unsigned i)
995 struct rte_cryptodev_sym_session *sess = _sess;
996 struct rte_cryptodev *dev = opaque_arg;
998 memset(sess, 0, mp->elt_size);
1000 sess->dev_id = dev->data->dev_id;
1001 sess->dev_type = dev->dev_type;
1004 if (dev->dev_ops->session_initialize)
1005 (*dev->dev_ops->session_initialize)(mp, sess);
1009 rte_cryptodev_sym_session_pool_create(struct rte_cryptodev *dev,
1010 unsigned nb_objs, unsigned obj_cache_size, int socket_id)
1012 char mp_name[RTE_CRYPTODEV_NAME_MAX_LEN];
1013 unsigned priv_sess_size;
1015 unsigned n = snprintf(mp_name, sizeof(mp_name), "cdev_%d_sess_mp",
1017 if (n > sizeof(mp_name)) {
1018 CDEV_LOG_ERR("Unable to create unique name for session mempool");
1022 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->session_get_size, -ENOTSUP);
1023 priv_sess_size = (*dev->dev_ops->session_get_size)(dev);
1024 if (priv_sess_size == 0) {
1025 CDEV_LOG_ERR("%s returned and invalid private session size ",
1030 unsigned elt_size = sizeof(struct rte_cryptodev_sym_session) +
1033 dev->data->session_pool = rte_mempool_lookup(mp_name);
1034 if (dev->data->session_pool != NULL) {
1035 if ((dev->data->session_pool->elt_size != elt_size) ||
1036 (dev->data->session_pool->cache_size <
1038 (dev->data->session_pool->size < nb_objs)) {
1040 CDEV_LOG_ERR("%s mempool already exists with different"
1041 " initialization parameters", mp_name);
1042 dev->data->session_pool = NULL;
1046 dev->data->session_pool = rte_mempool_create(
1047 mp_name, /* mempool name */
1048 nb_objs, /* number of elements*/
1049 elt_size, /* element size*/
1050 obj_cache_size, /* Cache size*/
1051 0, /* private data size */
1052 NULL, /* obj initialization constructor */
1053 NULL, /* obj initialization constructor arg */
1054 rte_cryptodev_sym_session_init,
1055 /**< obj constructor*/
1056 dev, /* obj constructor arg */
1057 socket_id, /* socket id */
1060 if (dev->data->session_pool == NULL) {
1061 CDEV_LOG_ERR("%s mempool allocation failed", mp_name);
1066 CDEV_LOG_DEBUG("%s mempool created!", mp_name);
1070 struct rte_cryptodev_sym_session *
1071 rte_cryptodev_sym_session_create(uint8_t dev_id,
1072 struct rte_crypto_sym_xform *xform)
1074 struct rte_cryptodev *dev;
1075 struct rte_cryptodev_sym_session *sess;
1078 if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
1079 CDEV_LOG_ERR("Invalid dev_id=%d", dev_id);
1083 dev = &rte_crypto_devices[dev_id];
1085 /* Allocate a session structure from the session pool */
1086 if (rte_mempool_get(dev->data->session_pool, &_sess)) {
1087 CDEV_LOG_ERR("Couldn't get object from session mempool");
1091 sess = (struct rte_cryptodev_sym_session *)_sess;
1093 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->session_configure, NULL);
1094 if (dev->dev_ops->session_configure(dev, xform, sess->_private) ==
1096 CDEV_LOG_ERR("dev_id %d failed to configure session details",
1099 /* Return session to mempool */
1100 rte_mempool_put(sess->mp, _sess);
1107 struct rte_cryptodev_sym_session *
1108 rte_cryptodev_sym_session_free(uint8_t dev_id,
1109 struct rte_cryptodev_sym_session *sess)
1111 struct rte_cryptodev *dev;
1113 if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
1114 CDEV_LOG_ERR("Invalid dev_id=%d", dev_id);
1118 dev = &rte_crypto_devices[dev_id];
1120 /* Check the session belongs to this device type */
1121 if (sess->dev_type != dev->dev_type)
1124 /* Let device implementation clear session material */
1125 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->session_clear, sess);
1126 dev->dev_ops->session_clear(dev, (void *)sess->_private);
1128 /* Return session to mempool */
1129 rte_mempool_put(sess->mp, (void *)sess);
1134 /** Initialise rte_crypto_op mempool element */
1136 rte_crypto_op_init(struct rte_mempool *mempool,
1139 __rte_unused unsigned i)
1141 struct rte_crypto_op *op = _op_data;
1142 enum rte_crypto_op_type type = *(enum rte_crypto_op_type *)opaque_arg;
1144 memset(_op_data, 0, mempool->elt_size);
1146 __rte_crypto_op_reset(op, type);
1148 op->phys_addr = rte_mem_virt2phy(_op_data);
1149 op->mempool = mempool;
1153 struct rte_mempool *
1154 rte_crypto_op_pool_create(const char *name, enum rte_crypto_op_type type,
1155 unsigned nb_elts, unsigned cache_size, uint16_t priv_size,
1158 struct rte_crypto_op_pool_private *priv;
1160 unsigned elt_size = sizeof(struct rte_crypto_op) +
1161 sizeof(struct rte_crypto_sym_op) +
1164 /* lookup mempool in case already allocated */
1165 struct rte_mempool *mp = rte_mempool_lookup(name);
1168 priv = (struct rte_crypto_op_pool_private *)
1169 rte_mempool_get_priv(mp);
1171 if (mp->elt_size != elt_size ||
1172 mp->cache_size < cache_size ||
1173 mp->size < nb_elts ||
1174 priv->priv_size < priv_size) {
1176 CDEV_LOG_ERR("Mempool %s already exists but with "
1177 "incompatible parameters", name);
1183 mp = rte_mempool_create(
1188 sizeof(struct rte_crypto_op_pool_private),
1197 CDEV_LOG_ERR("Failed to create mempool %s", name);
1201 priv = (struct rte_crypto_op_pool_private *)
1202 rte_mempool_get_priv(mp);
1204 priv->priv_size = priv_size;