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[] = {
16 RTE_CRYPTODEV_END_OF_CAPABILITIES_LIST()
20 ccp_pmd_config(struct rte_cryptodev *dev __rte_unused,
21 struct rte_cryptodev_config *config __rte_unused)
27 ccp_pmd_start(struct rte_cryptodev *dev)
29 return ccp_dev_start(dev);
33 ccp_pmd_stop(struct rte_cryptodev *dev __rte_unused)
39 ccp_pmd_close(struct rte_cryptodev *dev __rte_unused)
45 ccp_pmd_stats_get(struct rte_cryptodev *dev,
46 struct rte_cryptodev_stats *stats)
50 for (qp_id = 0; qp_id < dev->data->nb_queue_pairs; qp_id++) {
51 struct ccp_qp *qp = dev->data->queue_pairs[qp_id];
53 stats->enqueued_count += qp->qp_stats.enqueued_count;
54 stats->dequeued_count += qp->qp_stats.dequeued_count;
56 stats->enqueue_err_count += qp->qp_stats.enqueue_err_count;
57 stats->dequeue_err_count += qp->qp_stats.dequeue_err_count;
63 ccp_pmd_stats_reset(struct rte_cryptodev *dev)
67 for (qp_id = 0; qp_id < dev->data->nb_queue_pairs; qp_id++) {
68 struct ccp_qp *qp = dev->data->queue_pairs[qp_id];
70 memset(&qp->qp_stats, 0, sizeof(qp->qp_stats));
75 ccp_pmd_info_get(struct rte_cryptodev *dev,
76 struct rte_cryptodev_info *dev_info)
78 struct ccp_private *internals = dev->data->dev_private;
80 if (dev_info != NULL) {
81 dev_info->driver_id = dev->driver_id;
82 dev_info->feature_flags = dev->feature_flags;
83 dev_info->capabilities = ccp_pmd_capabilities;
84 dev_info->max_nb_queue_pairs = internals->max_nb_qpairs;
85 dev_info->sym.max_nb_sessions = internals->max_nb_sessions;
90 ccp_pmd_qp_release(struct rte_cryptodev *dev, uint16_t qp_id)
94 if (dev->data->queue_pairs[qp_id] != NULL) {
95 qp = (struct ccp_qp *)dev->data->queue_pairs[qp_id];
96 rte_ring_free(qp->processed_pkts);
97 rte_mempool_free(qp->batch_mp);
99 dev->data->queue_pairs[qp_id] = NULL;
105 ccp_pmd_qp_set_unique_name(struct rte_cryptodev *dev,
108 unsigned int n = snprintf(qp->name, sizeof(qp->name),
110 dev->data->dev_id, qp->id);
112 if (n > sizeof(qp->name))
118 static struct rte_ring *
119 ccp_pmd_qp_create_batch_info_ring(struct ccp_qp *qp,
120 unsigned int ring_size, int socket_id)
124 r = rte_ring_lookup(qp->name);
126 if (r->size >= ring_size) {
128 "Reusing ring %s for processed packets",
133 "Unable to reuse ring %s for processed packets",
138 return rte_ring_create(qp->name, ring_size, socket_id,
139 RING_F_SP_ENQ | RING_F_SC_DEQ);
143 ccp_pmd_qp_setup(struct rte_cryptodev *dev, uint16_t qp_id,
144 const struct rte_cryptodev_qp_conf *qp_conf,
145 int socket_id, struct rte_mempool *session_pool)
147 struct ccp_private *internals = dev->data->dev_private;
151 if (qp_id >= internals->max_nb_qpairs) {
152 CCP_LOG_ERR("Invalid qp_id %u, should be less than %u",
153 qp_id, internals->max_nb_qpairs);
157 /* Free memory prior to re-allocation if needed. */
158 if (dev->data->queue_pairs[qp_id] != NULL)
159 ccp_pmd_qp_release(dev, qp_id);
161 /* Allocate the queue pair data structure. */
162 qp = rte_zmalloc_socket("CCP Crypto PMD Queue Pair", sizeof(*qp),
163 RTE_CACHE_LINE_SIZE, socket_id);
165 CCP_LOG_ERR("Failed to allocate queue pair memory");
171 dev->data->queue_pairs[qp_id] = qp;
173 retval = ccp_pmd_qp_set_unique_name(dev, qp);
175 CCP_LOG_ERR("Failed to create unique name for ccp qp");
176 goto qp_setup_cleanup;
179 qp->processed_pkts = ccp_pmd_qp_create_batch_info_ring(qp,
180 qp_conf->nb_descriptors, socket_id);
181 if (qp->processed_pkts == NULL) {
182 CCP_LOG_ERR("Failed to create batch info ring");
183 goto qp_setup_cleanup;
186 qp->sess_mp = session_pool;
188 /* mempool for batch info */
189 qp->batch_mp = rte_mempool_create(
191 qp_conf->nb_descriptors,
192 sizeof(struct ccp_batch_info),
194 0, NULL, NULL, NULL, NULL,
196 if (qp->batch_mp == NULL)
197 goto qp_setup_cleanup;
198 memset(&qp->qp_stats, 0, sizeof(qp->qp_stats));
202 dev->data->queue_pairs[qp_id] = NULL;
209 ccp_pmd_qp_start(struct rte_cryptodev *dev __rte_unused,
210 uint16_t queue_pair_id __rte_unused)
216 ccp_pmd_qp_stop(struct rte_cryptodev *dev __rte_unused,
217 uint16_t queue_pair_id __rte_unused)
223 ccp_pmd_qp_count(struct rte_cryptodev *dev)
225 return dev->data->nb_queue_pairs;
229 ccp_pmd_session_get_size(struct rte_cryptodev *dev __rte_unused)
231 return sizeof(struct ccp_session);
235 ccp_pmd_session_configure(struct rte_cryptodev *dev,
236 struct rte_crypto_sym_xform *xform,
237 struct rte_cryptodev_sym_session *sess,
238 struct rte_mempool *mempool)
241 void *sess_private_data;
243 if (unlikely(sess == NULL || xform == NULL)) {
244 CCP_LOG_ERR("Invalid session struct or xform");
248 if (rte_mempool_get(mempool, &sess_private_data)) {
249 CCP_LOG_ERR("Couldn't get object from session mempool");
252 ret = ccp_set_session_parameters(sess_private_data, xform);
254 CCP_LOG_ERR("failed configure session parameters");
256 /* Return session to mempool */
257 rte_mempool_put(mempool, sess_private_data);
260 set_session_private_data(sess, dev->driver_id,
267 ccp_pmd_session_clear(struct rte_cryptodev *dev,
268 struct rte_cryptodev_sym_session *sess)
270 uint8_t index = dev->driver_id;
271 void *sess_priv = get_session_private_data(sess, index);
274 struct rte_mempool *sess_mp = rte_mempool_from_obj(sess_priv);
276 rte_mempool_put(sess_mp, sess_priv);
277 memset(sess_priv, 0, sizeof(struct ccp_session));
278 set_session_private_data(sess, index, NULL);
282 struct rte_cryptodev_ops ccp_ops = {
283 .dev_configure = ccp_pmd_config,
284 .dev_start = ccp_pmd_start,
285 .dev_stop = ccp_pmd_stop,
286 .dev_close = ccp_pmd_close,
288 .stats_get = ccp_pmd_stats_get,
289 .stats_reset = ccp_pmd_stats_reset,
291 .dev_infos_get = ccp_pmd_info_get,
293 .queue_pair_setup = ccp_pmd_qp_setup,
294 .queue_pair_release = ccp_pmd_qp_release,
295 .queue_pair_start = ccp_pmd_qp_start,
296 .queue_pair_stop = ccp_pmd_qp_stop,
297 .queue_pair_count = ccp_pmd_qp_count,
299 .session_get_size = ccp_pmd_session_get_size,
300 .session_configure = ccp_pmd_session_configure,
301 .session_clear = ccp_pmd_session_clear,
304 struct rte_cryptodev_ops *ccp_pmd_ops = &ccp_ops;