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_CIPHER,
21 .algo = RTE_CRYPTO_CIPHER_AES_ECB,
37 .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
39 .xform_type = RTE_CRYPTO_SYM_XFORM_CIPHER,
41 .algo = RTE_CRYPTO_CIPHER_AES_CBC,
57 .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
59 .xform_type = RTE_CRYPTO_SYM_XFORM_CIPHER,
61 .algo = RTE_CRYPTO_CIPHER_AES_CTR,
77 .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
79 .xform_type = RTE_CRYPTO_SYM_XFORM_CIPHER,
81 .algo = RTE_CRYPTO_CIPHER_3DES_CBC,
96 RTE_CRYPTODEV_END_OF_CAPABILITIES_LIST()
100 ccp_pmd_config(struct rte_cryptodev *dev __rte_unused,
101 struct rte_cryptodev_config *config __rte_unused)
107 ccp_pmd_start(struct rte_cryptodev *dev)
109 return ccp_dev_start(dev);
113 ccp_pmd_stop(struct rte_cryptodev *dev __rte_unused)
119 ccp_pmd_close(struct rte_cryptodev *dev __rte_unused)
125 ccp_pmd_stats_get(struct rte_cryptodev *dev,
126 struct rte_cryptodev_stats *stats)
130 for (qp_id = 0; qp_id < dev->data->nb_queue_pairs; qp_id++) {
131 struct ccp_qp *qp = dev->data->queue_pairs[qp_id];
133 stats->enqueued_count += qp->qp_stats.enqueued_count;
134 stats->dequeued_count += qp->qp_stats.dequeued_count;
136 stats->enqueue_err_count += qp->qp_stats.enqueue_err_count;
137 stats->dequeue_err_count += qp->qp_stats.dequeue_err_count;
143 ccp_pmd_stats_reset(struct rte_cryptodev *dev)
147 for (qp_id = 0; qp_id < dev->data->nb_queue_pairs; qp_id++) {
148 struct ccp_qp *qp = dev->data->queue_pairs[qp_id];
150 memset(&qp->qp_stats, 0, sizeof(qp->qp_stats));
155 ccp_pmd_info_get(struct rte_cryptodev *dev,
156 struct rte_cryptodev_info *dev_info)
158 struct ccp_private *internals = dev->data->dev_private;
160 if (dev_info != NULL) {
161 dev_info->driver_id = dev->driver_id;
162 dev_info->feature_flags = dev->feature_flags;
163 dev_info->capabilities = ccp_pmd_capabilities;
164 dev_info->max_nb_queue_pairs = internals->max_nb_qpairs;
165 dev_info->sym.max_nb_sessions = internals->max_nb_sessions;
170 ccp_pmd_qp_release(struct rte_cryptodev *dev, uint16_t qp_id)
174 if (dev->data->queue_pairs[qp_id] != NULL) {
175 qp = (struct ccp_qp *)dev->data->queue_pairs[qp_id];
176 rte_ring_free(qp->processed_pkts);
177 rte_mempool_free(qp->batch_mp);
179 dev->data->queue_pairs[qp_id] = NULL;
185 ccp_pmd_qp_set_unique_name(struct rte_cryptodev *dev,
188 unsigned int n = snprintf(qp->name, sizeof(qp->name),
190 dev->data->dev_id, qp->id);
192 if (n > sizeof(qp->name))
198 static struct rte_ring *
199 ccp_pmd_qp_create_batch_info_ring(struct ccp_qp *qp,
200 unsigned int ring_size, int socket_id)
204 r = rte_ring_lookup(qp->name);
206 if (r->size >= ring_size) {
208 "Reusing ring %s for processed packets",
213 "Unable to reuse ring %s for processed packets",
218 return rte_ring_create(qp->name, ring_size, socket_id,
219 RING_F_SP_ENQ | RING_F_SC_DEQ);
223 ccp_pmd_qp_setup(struct rte_cryptodev *dev, uint16_t qp_id,
224 const struct rte_cryptodev_qp_conf *qp_conf,
225 int socket_id, struct rte_mempool *session_pool)
227 struct ccp_private *internals = dev->data->dev_private;
231 if (qp_id >= internals->max_nb_qpairs) {
232 CCP_LOG_ERR("Invalid qp_id %u, should be less than %u",
233 qp_id, internals->max_nb_qpairs);
237 /* Free memory prior to re-allocation if needed. */
238 if (dev->data->queue_pairs[qp_id] != NULL)
239 ccp_pmd_qp_release(dev, qp_id);
241 /* Allocate the queue pair data structure. */
242 qp = rte_zmalloc_socket("CCP Crypto PMD Queue Pair", sizeof(*qp),
243 RTE_CACHE_LINE_SIZE, socket_id);
245 CCP_LOG_ERR("Failed to allocate queue pair memory");
251 dev->data->queue_pairs[qp_id] = qp;
253 retval = ccp_pmd_qp_set_unique_name(dev, qp);
255 CCP_LOG_ERR("Failed to create unique name for ccp qp");
256 goto qp_setup_cleanup;
259 qp->processed_pkts = ccp_pmd_qp_create_batch_info_ring(qp,
260 qp_conf->nb_descriptors, socket_id);
261 if (qp->processed_pkts == NULL) {
262 CCP_LOG_ERR("Failed to create batch info ring");
263 goto qp_setup_cleanup;
266 qp->sess_mp = session_pool;
268 /* mempool for batch info */
269 qp->batch_mp = rte_mempool_create(
271 qp_conf->nb_descriptors,
272 sizeof(struct ccp_batch_info),
274 0, NULL, NULL, NULL, NULL,
276 if (qp->batch_mp == NULL)
277 goto qp_setup_cleanup;
278 memset(&qp->qp_stats, 0, sizeof(qp->qp_stats));
282 dev->data->queue_pairs[qp_id] = NULL;
289 ccp_pmd_qp_start(struct rte_cryptodev *dev __rte_unused,
290 uint16_t queue_pair_id __rte_unused)
296 ccp_pmd_qp_stop(struct rte_cryptodev *dev __rte_unused,
297 uint16_t queue_pair_id __rte_unused)
303 ccp_pmd_qp_count(struct rte_cryptodev *dev)
305 return dev->data->nb_queue_pairs;
309 ccp_pmd_session_get_size(struct rte_cryptodev *dev __rte_unused)
311 return sizeof(struct ccp_session);
315 ccp_pmd_session_configure(struct rte_cryptodev *dev,
316 struct rte_crypto_sym_xform *xform,
317 struct rte_cryptodev_sym_session *sess,
318 struct rte_mempool *mempool)
321 void *sess_private_data;
323 if (unlikely(sess == NULL || xform == NULL)) {
324 CCP_LOG_ERR("Invalid session struct or xform");
328 if (rte_mempool_get(mempool, &sess_private_data)) {
329 CCP_LOG_ERR("Couldn't get object from session mempool");
332 ret = ccp_set_session_parameters(sess_private_data, xform);
334 CCP_LOG_ERR("failed configure session parameters");
336 /* Return session to mempool */
337 rte_mempool_put(mempool, sess_private_data);
340 set_session_private_data(sess, dev->driver_id,
347 ccp_pmd_session_clear(struct rte_cryptodev *dev,
348 struct rte_cryptodev_sym_session *sess)
350 uint8_t index = dev->driver_id;
351 void *sess_priv = get_session_private_data(sess, index);
354 struct rte_mempool *sess_mp = rte_mempool_from_obj(sess_priv);
356 rte_mempool_put(sess_mp, sess_priv);
357 memset(sess_priv, 0, sizeof(struct ccp_session));
358 set_session_private_data(sess, index, NULL);
362 struct rte_cryptodev_ops ccp_ops = {
363 .dev_configure = ccp_pmd_config,
364 .dev_start = ccp_pmd_start,
365 .dev_stop = ccp_pmd_stop,
366 .dev_close = ccp_pmd_close,
368 .stats_get = ccp_pmd_stats_get,
369 .stats_reset = ccp_pmd_stats_reset,
371 .dev_infos_get = ccp_pmd_info_get,
373 .queue_pair_setup = ccp_pmd_qp_setup,
374 .queue_pair_release = ccp_pmd_qp_release,
375 .queue_pair_start = ccp_pmd_qp_start,
376 .queue_pair_stop = ccp_pmd_qp_stop,
377 .queue_pair_count = ccp_pmd_qp_count,
379 .session_get_size = ccp_pmd_session_get_size,
380 .session_configure = ccp_pmd_session_configure,
381 .session_clear = ccp_pmd_session_clear,
384 struct rte_cryptodev_ops *ccp_pmd_ops = &ccp_ops;