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,
76 RTE_CRYPTODEV_END_OF_CAPABILITIES_LIST()
80 ccp_pmd_config(struct rte_cryptodev *dev __rte_unused,
81 struct rte_cryptodev_config *config __rte_unused)
87 ccp_pmd_start(struct rte_cryptodev *dev)
89 return ccp_dev_start(dev);
93 ccp_pmd_stop(struct rte_cryptodev *dev __rte_unused)
99 ccp_pmd_close(struct rte_cryptodev *dev __rte_unused)
105 ccp_pmd_stats_get(struct rte_cryptodev *dev,
106 struct rte_cryptodev_stats *stats)
110 for (qp_id = 0; qp_id < dev->data->nb_queue_pairs; qp_id++) {
111 struct ccp_qp *qp = dev->data->queue_pairs[qp_id];
113 stats->enqueued_count += qp->qp_stats.enqueued_count;
114 stats->dequeued_count += qp->qp_stats.dequeued_count;
116 stats->enqueue_err_count += qp->qp_stats.enqueue_err_count;
117 stats->dequeue_err_count += qp->qp_stats.dequeue_err_count;
123 ccp_pmd_stats_reset(struct rte_cryptodev *dev)
127 for (qp_id = 0; qp_id < dev->data->nb_queue_pairs; qp_id++) {
128 struct ccp_qp *qp = dev->data->queue_pairs[qp_id];
130 memset(&qp->qp_stats, 0, sizeof(qp->qp_stats));
135 ccp_pmd_info_get(struct rte_cryptodev *dev,
136 struct rte_cryptodev_info *dev_info)
138 struct ccp_private *internals = dev->data->dev_private;
140 if (dev_info != NULL) {
141 dev_info->driver_id = dev->driver_id;
142 dev_info->feature_flags = dev->feature_flags;
143 dev_info->capabilities = ccp_pmd_capabilities;
144 dev_info->max_nb_queue_pairs = internals->max_nb_qpairs;
145 dev_info->sym.max_nb_sessions = internals->max_nb_sessions;
150 ccp_pmd_qp_release(struct rte_cryptodev *dev, uint16_t qp_id)
154 if (dev->data->queue_pairs[qp_id] != NULL) {
155 qp = (struct ccp_qp *)dev->data->queue_pairs[qp_id];
156 rte_ring_free(qp->processed_pkts);
157 rte_mempool_free(qp->batch_mp);
159 dev->data->queue_pairs[qp_id] = NULL;
165 ccp_pmd_qp_set_unique_name(struct rte_cryptodev *dev,
168 unsigned int n = snprintf(qp->name, sizeof(qp->name),
170 dev->data->dev_id, qp->id);
172 if (n > sizeof(qp->name))
178 static struct rte_ring *
179 ccp_pmd_qp_create_batch_info_ring(struct ccp_qp *qp,
180 unsigned int ring_size, int socket_id)
184 r = rte_ring_lookup(qp->name);
186 if (r->size >= ring_size) {
188 "Reusing ring %s for processed packets",
193 "Unable to reuse ring %s for processed packets",
198 return rte_ring_create(qp->name, ring_size, socket_id,
199 RING_F_SP_ENQ | RING_F_SC_DEQ);
203 ccp_pmd_qp_setup(struct rte_cryptodev *dev, uint16_t qp_id,
204 const struct rte_cryptodev_qp_conf *qp_conf,
205 int socket_id, struct rte_mempool *session_pool)
207 struct ccp_private *internals = dev->data->dev_private;
211 if (qp_id >= internals->max_nb_qpairs) {
212 CCP_LOG_ERR("Invalid qp_id %u, should be less than %u",
213 qp_id, internals->max_nb_qpairs);
217 /* Free memory prior to re-allocation if needed. */
218 if (dev->data->queue_pairs[qp_id] != NULL)
219 ccp_pmd_qp_release(dev, qp_id);
221 /* Allocate the queue pair data structure. */
222 qp = rte_zmalloc_socket("CCP Crypto PMD Queue Pair", sizeof(*qp),
223 RTE_CACHE_LINE_SIZE, socket_id);
225 CCP_LOG_ERR("Failed to allocate queue pair memory");
231 dev->data->queue_pairs[qp_id] = qp;
233 retval = ccp_pmd_qp_set_unique_name(dev, qp);
235 CCP_LOG_ERR("Failed to create unique name for ccp qp");
236 goto qp_setup_cleanup;
239 qp->processed_pkts = ccp_pmd_qp_create_batch_info_ring(qp,
240 qp_conf->nb_descriptors, socket_id);
241 if (qp->processed_pkts == NULL) {
242 CCP_LOG_ERR("Failed to create batch info ring");
243 goto qp_setup_cleanup;
246 qp->sess_mp = session_pool;
248 /* mempool for batch info */
249 qp->batch_mp = rte_mempool_create(
251 qp_conf->nb_descriptors,
252 sizeof(struct ccp_batch_info),
254 0, NULL, NULL, NULL, NULL,
256 if (qp->batch_mp == NULL)
257 goto qp_setup_cleanup;
258 memset(&qp->qp_stats, 0, sizeof(qp->qp_stats));
262 dev->data->queue_pairs[qp_id] = NULL;
269 ccp_pmd_qp_start(struct rte_cryptodev *dev __rte_unused,
270 uint16_t queue_pair_id __rte_unused)
276 ccp_pmd_qp_stop(struct rte_cryptodev *dev __rte_unused,
277 uint16_t queue_pair_id __rte_unused)
283 ccp_pmd_qp_count(struct rte_cryptodev *dev)
285 return dev->data->nb_queue_pairs;
289 ccp_pmd_session_get_size(struct rte_cryptodev *dev __rte_unused)
291 return sizeof(struct ccp_session);
295 ccp_pmd_session_configure(struct rte_cryptodev *dev,
296 struct rte_crypto_sym_xform *xform,
297 struct rte_cryptodev_sym_session *sess,
298 struct rte_mempool *mempool)
301 void *sess_private_data;
303 if (unlikely(sess == NULL || xform == NULL)) {
304 CCP_LOG_ERR("Invalid session struct or xform");
308 if (rte_mempool_get(mempool, &sess_private_data)) {
309 CCP_LOG_ERR("Couldn't get object from session mempool");
312 ret = ccp_set_session_parameters(sess_private_data, xform);
314 CCP_LOG_ERR("failed configure session parameters");
316 /* Return session to mempool */
317 rte_mempool_put(mempool, sess_private_data);
320 set_session_private_data(sess, dev->driver_id,
327 ccp_pmd_session_clear(struct rte_cryptodev *dev,
328 struct rte_cryptodev_sym_session *sess)
330 uint8_t index = dev->driver_id;
331 void *sess_priv = get_session_private_data(sess, index);
334 struct rte_mempool *sess_mp = rte_mempool_from_obj(sess_priv);
336 rte_mempool_put(sess_mp, sess_priv);
337 memset(sess_priv, 0, sizeof(struct ccp_session));
338 set_session_private_data(sess, index, NULL);
342 struct rte_cryptodev_ops ccp_ops = {
343 .dev_configure = ccp_pmd_config,
344 .dev_start = ccp_pmd_start,
345 .dev_stop = ccp_pmd_stop,
346 .dev_close = ccp_pmd_close,
348 .stats_get = ccp_pmd_stats_get,
349 .stats_reset = ccp_pmd_stats_reset,
351 .dev_infos_get = ccp_pmd_info_get,
353 .queue_pair_setup = ccp_pmd_qp_setup,
354 .queue_pair_release = ccp_pmd_qp_release,
355 .queue_pair_start = ccp_pmd_qp_start,
356 .queue_pair_stop = ccp_pmd_qp_stop,
357 .queue_pair_count = ccp_pmd_qp_count,
359 .session_get_size = ccp_pmd_session_get_size,
360 .session_configure = ccp_pmd_session_configure,
361 .session_clear = ccp_pmd_session_clear,
364 struct rte_cryptodev_ops *ccp_pmd_ops = &ccp_ops;