1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(c) 2018 Advanced Micro Devices, Inc. All rights reserved.
7 #include <rte_common.h>
8 #include <rte_cryptodev_pmd.h>
9 #include <rte_malloc.h>
11 #include "ccp_pmd_private.h"
13 #include "ccp_crypto.h"
15 static const struct rte_cryptodev_capabilities ccp_pmd_capabilities[] = {
17 .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
19 .xform_type = RTE_CRYPTO_SYM_XFORM_AUTH,
21 .algo = RTE_CRYPTO_AUTH_AES_CMAC,
37 .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
39 .xform_type = RTE_CRYPTO_SYM_XFORM_CIPHER,
41 .algo = RTE_CRYPTO_CIPHER_AES_ECB,
57 .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
59 .xform_type = RTE_CRYPTO_SYM_XFORM_CIPHER,
61 .algo = RTE_CRYPTO_CIPHER_AES_CBC,
77 .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
79 .xform_type = RTE_CRYPTO_SYM_XFORM_CIPHER,
81 .algo = RTE_CRYPTO_CIPHER_AES_CTR,
97 .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
99 .xform_type = RTE_CRYPTO_SYM_XFORM_CIPHER,
101 .algo = RTE_CRYPTO_CIPHER_3DES_CBC,
117 .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
119 .xform_type = RTE_CRYPTO_SYM_XFORM_AEAD,
121 .algo = RTE_CRYPTO_AEAD_AES_GCM,
146 RTE_CRYPTODEV_END_OF_CAPABILITIES_LIST()
150 ccp_pmd_config(struct rte_cryptodev *dev __rte_unused,
151 struct rte_cryptodev_config *config __rte_unused)
157 ccp_pmd_start(struct rte_cryptodev *dev)
159 return ccp_dev_start(dev);
163 ccp_pmd_stop(struct rte_cryptodev *dev __rte_unused)
169 ccp_pmd_close(struct rte_cryptodev *dev __rte_unused)
175 ccp_pmd_stats_get(struct rte_cryptodev *dev,
176 struct rte_cryptodev_stats *stats)
180 for (qp_id = 0; qp_id < dev->data->nb_queue_pairs; qp_id++) {
181 struct ccp_qp *qp = dev->data->queue_pairs[qp_id];
183 stats->enqueued_count += qp->qp_stats.enqueued_count;
184 stats->dequeued_count += qp->qp_stats.dequeued_count;
186 stats->enqueue_err_count += qp->qp_stats.enqueue_err_count;
187 stats->dequeue_err_count += qp->qp_stats.dequeue_err_count;
193 ccp_pmd_stats_reset(struct rte_cryptodev *dev)
197 for (qp_id = 0; qp_id < dev->data->nb_queue_pairs; qp_id++) {
198 struct ccp_qp *qp = dev->data->queue_pairs[qp_id];
200 memset(&qp->qp_stats, 0, sizeof(qp->qp_stats));
205 ccp_pmd_info_get(struct rte_cryptodev *dev,
206 struct rte_cryptodev_info *dev_info)
208 struct ccp_private *internals = dev->data->dev_private;
210 if (dev_info != NULL) {
211 dev_info->driver_id = dev->driver_id;
212 dev_info->feature_flags = dev->feature_flags;
213 dev_info->capabilities = ccp_pmd_capabilities;
214 dev_info->max_nb_queue_pairs = internals->max_nb_qpairs;
215 dev_info->sym.max_nb_sessions = internals->max_nb_sessions;
220 ccp_pmd_qp_release(struct rte_cryptodev *dev, uint16_t qp_id)
224 if (dev->data->queue_pairs[qp_id] != NULL) {
225 qp = (struct ccp_qp *)dev->data->queue_pairs[qp_id];
226 rte_ring_free(qp->processed_pkts);
227 rte_mempool_free(qp->batch_mp);
229 dev->data->queue_pairs[qp_id] = NULL;
235 ccp_pmd_qp_set_unique_name(struct rte_cryptodev *dev,
238 unsigned int n = snprintf(qp->name, sizeof(qp->name),
240 dev->data->dev_id, qp->id);
242 if (n > sizeof(qp->name))
248 static struct rte_ring *
249 ccp_pmd_qp_create_batch_info_ring(struct ccp_qp *qp,
250 unsigned int ring_size, int socket_id)
254 r = rte_ring_lookup(qp->name);
256 if (r->size >= ring_size) {
258 "Reusing ring %s for processed packets",
263 "Unable to reuse ring %s for processed packets",
268 return rte_ring_create(qp->name, ring_size, socket_id,
269 RING_F_SP_ENQ | RING_F_SC_DEQ);
273 ccp_pmd_qp_setup(struct rte_cryptodev *dev, uint16_t qp_id,
274 const struct rte_cryptodev_qp_conf *qp_conf,
275 int socket_id, struct rte_mempool *session_pool)
277 struct ccp_private *internals = dev->data->dev_private;
281 if (qp_id >= internals->max_nb_qpairs) {
282 CCP_LOG_ERR("Invalid qp_id %u, should be less than %u",
283 qp_id, internals->max_nb_qpairs);
287 /* Free memory prior to re-allocation if needed. */
288 if (dev->data->queue_pairs[qp_id] != NULL)
289 ccp_pmd_qp_release(dev, qp_id);
291 /* Allocate the queue pair data structure. */
292 qp = rte_zmalloc_socket("CCP Crypto PMD Queue Pair", sizeof(*qp),
293 RTE_CACHE_LINE_SIZE, socket_id);
295 CCP_LOG_ERR("Failed to allocate queue pair memory");
301 dev->data->queue_pairs[qp_id] = qp;
303 retval = ccp_pmd_qp_set_unique_name(dev, qp);
305 CCP_LOG_ERR("Failed to create unique name for ccp qp");
306 goto qp_setup_cleanup;
309 qp->processed_pkts = ccp_pmd_qp_create_batch_info_ring(qp,
310 qp_conf->nb_descriptors, socket_id);
311 if (qp->processed_pkts == NULL) {
312 CCP_LOG_ERR("Failed to create batch info ring");
313 goto qp_setup_cleanup;
316 qp->sess_mp = session_pool;
318 /* mempool for batch info */
319 qp->batch_mp = rte_mempool_create(
321 qp_conf->nb_descriptors,
322 sizeof(struct ccp_batch_info),
324 0, NULL, NULL, NULL, NULL,
326 if (qp->batch_mp == NULL)
327 goto qp_setup_cleanup;
328 memset(&qp->qp_stats, 0, sizeof(qp->qp_stats));
332 dev->data->queue_pairs[qp_id] = NULL;
339 ccp_pmd_qp_start(struct rte_cryptodev *dev __rte_unused,
340 uint16_t queue_pair_id __rte_unused)
346 ccp_pmd_qp_stop(struct rte_cryptodev *dev __rte_unused,
347 uint16_t queue_pair_id __rte_unused)
353 ccp_pmd_qp_count(struct rte_cryptodev *dev)
355 return dev->data->nb_queue_pairs;
359 ccp_pmd_session_get_size(struct rte_cryptodev *dev __rte_unused)
361 return sizeof(struct ccp_session);
365 ccp_pmd_session_configure(struct rte_cryptodev *dev,
366 struct rte_crypto_sym_xform *xform,
367 struct rte_cryptodev_sym_session *sess,
368 struct rte_mempool *mempool)
371 void *sess_private_data;
373 if (unlikely(sess == NULL || xform == NULL)) {
374 CCP_LOG_ERR("Invalid session struct or xform");
378 if (rte_mempool_get(mempool, &sess_private_data)) {
379 CCP_LOG_ERR("Couldn't get object from session mempool");
382 ret = ccp_set_session_parameters(sess_private_data, xform);
384 CCP_LOG_ERR("failed configure session parameters");
386 /* Return session to mempool */
387 rte_mempool_put(mempool, sess_private_data);
390 set_session_private_data(sess, dev->driver_id,
397 ccp_pmd_session_clear(struct rte_cryptodev *dev,
398 struct rte_cryptodev_sym_session *sess)
400 uint8_t index = dev->driver_id;
401 void *sess_priv = get_session_private_data(sess, index);
404 struct rte_mempool *sess_mp = rte_mempool_from_obj(sess_priv);
406 rte_mempool_put(sess_mp, sess_priv);
407 memset(sess_priv, 0, sizeof(struct ccp_session));
408 set_session_private_data(sess, index, NULL);
412 struct rte_cryptodev_ops ccp_ops = {
413 .dev_configure = ccp_pmd_config,
414 .dev_start = ccp_pmd_start,
415 .dev_stop = ccp_pmd_stop,
416 .dev_close = ccp_pmd_close,
418 .stats_get = ccp_pmd_stats_get,
419 .stats_reset = ccp_pmd_stats_reset,
421 .dev_infos_get = ccp_pmd_info_get,
423 .queue_pair_setup = ccp_pmd_qp_setup,
424 .queue_pair_release = ccp_pmd_qp_release,
425 .queue_pair_start = ccp_pmd_qp_start,
426 .queue_pair_stop = ccp_pmd_qp_stop,
427 .queue_pair_count = ccp_pmd_qp_count,
429 .session_get_size = ccp_pmd_session_get_size,
430 .session_configure = ccp_pmd_session_configure,
431 .session_clear = ccp_pmd_session_clear,
434 struct rte_cryptodev_ops *ccp_pmd_ops = &ccp_ops;