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,
116 RTE_CRYPTODEV_END_OF_CAPABILITIES_LIST()
120 ccp_pmd_config(struct rte_cryptodev *dev __rte_unused,
121 struct rte_cryptodev_config *config __rte_unused)
127 ccp_pmd_start(struct rte_cryptodev *dev)
129 return ccp_dev_start(dev);
133 ccp_pmd_stop(struct rte_cryptodev *dev __rte_unused)
139 ccp_pmd_close(struct rte_cryptodev *dev __rte_unused)
145 ccp_pmd_stats_get(struct rte_cryptodev *dev,
146 struct rte_cryptodev_stats *stats)
150 for (qp_id = 0; qp_id < dev->data->nb_queue_pairs; qp_id++) {
151 struct ccp_qp *qp = dev->data->queue_pairs[qp_id];
153 stats->enqueued_count += qp->qp_stats.enqueued_count;
154 stats->dequeued_count += qp->qp_stats.dequeued_count;
156 stats->enqueue_err_count += qp->qp_stats.enqueue_err_count;
157 stats->dequeue_err_count += qp->qp_stats.dequeue_err_count;
163 ccp_pmd_stats_reset(struct rte_cryptodev *dev)
167 for (qp_id = 0; qp_id < dev->data->nb_queue_pairs; qp_id++) {
168 struct ccp_qp *qp = dev->data->queue_pairs[qp_id];
170 memset(&qp->qp_stats, 0, sizeof(qp->qp_stats));
175 ccp_pmd_info_get(struct rte_cryptodev *dev,
176 struct rte_cryptodev_info *dev_info)
178 struct ccp_private *internals = dev->data->dev_private;
180 if (dev_info != NULL) {
181 dev_info->driver_id = dev->driver_id;
182 dev_info->feature_flags = dev->feature_flags;
183 dev_info->capabilities = ccp_pmd_capabilities;
184 dev_info->max_nb_queue_pairs = internals->max_nb_qpairs;
185 dev_info->sym.max_nb_sessions = internals->max_nb_sessions;
190 ccp_pmd_qp_release(struct rte_cryptodev *dev, uint16_t qp_id)
194 if (dev->data->queue_pairs[qp_id] != NULL) {
195 qp = (struct ccp_qp *)dev->data->queue_pairs[qp_id];
196 rte_ring_free(qp->processed_pkts);
197 rte_mempool_free(qp->batch_mp);
199 dev->data->queue_pairs[qp_id] = NULL;
205 ccp_pmd_qp_set_unique_name(struct rte_cryptodev *dev,
208 unsigned int n = snprintf(qp->name, sizeof(qp->name),
210 dev->data->dev_id, qp->id);
212 if (n > sizeof(qp->name))
218 static struct rte_ring *
219 ccp_pmd_qp_create_batch_info_ring(struct ccp_qp *qp,
220 unsigned int ring_size, int socket_id)
224 r = rte_ring_lookup(qp->name);
226 if (r->size >= ring_size) {
228 "Reusing ring %s for processed packets",
233 "Unable to reuse ring %s for processed packets",
238 return rte_ring_create(qp->name, ring_size, socket_id,
239 RING_F_SP_ENQ | RING_F_SC_DEQ);
243 ccp_pmd_qp_setup(struct rte_cryptodev *dev, uint16_t qp_id,
244 const struct rte_cryptodev_qp_conf *qp_conf,
245 int socket_id, struct rte_mempool *session_pool)
247 struct ccp_private *internals = dev->data->dev_private;
251 if (qp_id >= internals->max_nb_qpairs) {
252 CCP_LOG_ERR("Invalid qp_id %u, should be less than %u",
253 qp_id, internals->max_nb_qpairs);
257 /* Free memory prior to re-allocation if needed. */
258 if (dev->data->queue_pairs[qp_id] != NULL)
259 ccp_pmd_qp_release(dev, qp_id);
261 /* Allocate the queue pair data structure. */
262 qp = rte_zmalloc_socket("CCP Crypto PMD Queue Pair", sizeof(*qp),
263 RTE_CACHE_LINE_SIZE, socket_id);
265 CCP_LOG_ERR("Failed to allocate queue pair memory");
271 dev->data->queue_pairs[qp_id] = qp;
273 retval = ccp_pmd_qp_set_unique_name(dev, qp);
275 CCP_LOG_ERR("Failed to create unique name for ccp qp");
276 goto qp_setup_cleanup;
279 qp->processed_pkts = ccp_pmd_qp_create_batch_info_ring(qp,
280 qp_conf->nb_descriptors, socket_id);
281 if (qp->processed_pkts == NULL) {
282 CCP_LOG_ERR("Failed to create batch info ring");
283 goto qp_setup_cleanup;
286 qp->sess_mp = session_pool;
288 /* mempool for batch info */
289 qp->batch_mp = rte_mempool_create(
291 qp_conf->nb_descriptors,
292 sizeof(struct ccp_batch_info),
294 0, NULL, NULL, NULL, NULL,
296 if (qp->batch_mp == NULL)
297 goto qp_setup_cleanup;
298 memset(&qp->qp_stats, 0, sizeof(qp->qp_stats));
302 dev->data->queue_pairs[qp_id] = NULL;
309 ccp_pmd_qp_start(struct rte_cryptodev *dev __rte_unused,
310 uint16_t queue_pair_id __rte_unused)
316 ccp_pmd_qp_stop(struct rte_cryptodev *dev __rte_unused,
317 uint16_t queue_pair_id __rte_unused)
323 ccp_pmd_qp_count(struct rte_cryptodev *dev)
325 return dev->data->nb_queue_pairs;
329 ccp_pmd_session_get_size(struct rte_cryptodev *dev __rte_unused)
331 return sizeof(struct ccp_session);
335 ccp_pmd_session_configure(struct rte_cryptodev *dev,
336 struct rte_crypto_sym_xform *xform,
337 struct rte_cryptodev_sym_session *sess,
338 struct rte_mempool *mempool)
341 void *sess_private_data;
343 if (unlikely(sess == NULL || xform == NULL)) {
344 CCP_LOG_ERR("Invalid session struct or xform");
348 if (rte_mempool_get(mempool, &sess_private_data)) {
349 CCP_LOG_ERR("Couldn't get object from session mempool");
352 ret = ccp_set_session_parameters(sess_private_data, xform);
354 CCP_LOG_ERR("failed configure session parameters");
356 /* Return session to mempool */
357 rte_mempool_put(mempool, sess_private_data);
360 set_session_private_data(sess, dev->driver_id,
367 ccp_pmd_session_clear(struct rte_cryptodev *dev,
368 struct rte_cryptodev_sym_session *sess)
370 uint8_t index = dev->driver_id;
371 void *sess_priv = get_session_private_data(sess, index);
374 struct rte_mempool *sess_mp = rte_mempool_from_obj(sess_priv);
376 rte_mempool_put(sess_mp, sess_priv);
377 memset(sess_priv, 0, sizeof(struct ccp_session));
378 set_session_private_data(sess, index, NULL);
382 struct rte_cryptodev_ops ccp_ops = {
383 .dev_configure = ccp_pmd_config,
384 .dev_start = ccp_pmd_start,
385 .dev_stop = ccp_pmd_stop,
386 .dev_close = ccp_pmd_close,
388 .stats_get = ccp_pmd_stats_get,
389 .stats_reset = ccp_pmd_stats_reset,
391 .dev_infos_get = ccp_pmd_info_get,
393 .queue_pair_setup = ccp_pmd_qp_setup,
394 .queue_pair_release = ccp_pmd_qp_release,
395 .queue_pair_start = ccp_pmd_qp_start,
396 .queue_pair_stop = ccp_pmd_qp_stop,
397 .queue_pair_count = ccp_pmd_qp_count,
399 .session_get_size = ccp_pmd_session_get_size,
400 .session_configure = ccp_pmd_session_configure,
401 .session_clear = ccp_pmd_session_clear,
404 struct rte_cryptodev_ops *ccp_pmd_ops = &ccp_ops;