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_info_get(struct rte_cryptodev *dev,
46 struct rte_cryptodev_info *dev_info)
48 struct ccp_private *internals = dev->data->dev_private;
50 if (dev_info != NULL) {
51 dev_info->driver_id = dev->driver_id;
52 dev_info->feature_flags = dev->feature_flags;
53 dev_info->capabilities = ccp_pmd_capabilities;
54 dev_info->max_nb_queue_pairs = internals->max_nb_qpairs;
55 dev_info->sym.max_nb_sessions = internals->max_nb_sessions;
60 ccp_pmd_qp_release(struct rte_cryptodev *dev, uint16_t qp_id)
64 if (dev->data->queue_pairs[qp_id] != NULL) {
65 qp = (struct ccp_qp *)dev->data->queue_pairs[qp_id];
66 rte_ring_free(qp->processed_pkts);
67 rte_mempool_free(qp->batch_mp);
69 dev->data->queue_pairs[qp_id] = NULL;
75 ccp_pmd_qp_set_unique_name(struct rte_cryptodev *dev,
78 unsigned int n = snprintf(qp->name, sizeof(qp->name),
80 dev->data->dev_id, qp->id);
82 if (n > sizeof(qp->name))
88 static struct rte_ring *
89 ccp_pmd_qp_create_batch_info_ring(struct ccp_qp *qp,
90 unsigned int ring_size, int socket_id)
94 r = rte_ring_lookup(qp->name);
96 if (r->size >= ring_size) {
98 "Reusing ring %s for processed packets",
103 "Unable to reuse ring %s for processed packets",
108 return rte_ring_create(qp->name, ring_size, socket_id,
109 RING_F_SP_ENQ | RING_F_SC_DEQ);
113 ccp_pmd_qp_setup(struct rte_cryptodev *dev, uint16_t qp_id,
114 const struct rte_cryptodev_qp_conf *qp_conf,
115 int socket_id, struct rte_mempool *session_pool)
117 struct ccp_private *internals = dev->data->dev_private;
121 if (qp_id >= internals->max_nb_qpairs) {
122 CCP_LOG_ERR("Invalid qp_id %u, should be less than %u",
123 qp_id, internals->max_nb_qpairs);
127 /* Free memory prior to re-allocation if needed. */
128 if (dev->data->queue_pairs[qp_id] != NULL)
129 ccp_pmd_qp_release(dev, qp_id);
131 /* Allocate the queue pair data structure. */
132 qp = rte_zmalloc_socket("CCP Crypto PMD Queue Pair", sizeof(*qp),
133 RTE_CACHE_LINE_SIZE, socket_id);
135 CCP_LOG_ERR("Failed to allocate queue pair memory");
141 dev->data->queue_pairs[qp_id] = qp;
143 retval = ccp_pmd_qp_set_unique_name(dev, qp);
145 CCP_LOG_ERR("Failed to create unique name for ccp qp");
146 goto qp_setup_cleanup;
149 qp->processed_pkts = ccp_pmd_qp_create_batch_info_ring(qp,
150 qp_conf->nb_descriptors, socket_id);
151 if (qp->processed_pkts == NULL) {
152 CCP_LOG_ERR("Failed to create batch info ring");
153 goto qp_setup_cleanup;
156 qp->sess_mp = session_pool;
158 /* mempool for batch info */
159 qp->batch_mp = rte_mempool_create(
161 qp_conf->nb_descriptors,
162 sizeof(struct ccp_batch_info),
164 0, NULL, NULL, NULL, NULL,
166 if (qp->batch_mp == NULL)
167 goto qp_setup_cleanup;
168 memset(&qp->qp_stats, 0, sizeof(qp->qp_stats));
172 dev->data->queue_pairs[qp_id] = NULL;
179 ccp_pmd_qp_start(struct rte_cryptodev *dev __rte_unused,
180 uint16_t queue_pair_id __rte_unused)
186 ccp_pmd_qp_stop(struct rte_cryptodev *dev __rte_unused,
187 uint16_t queue_pair_id __rte_unused)
193 ccp_pmd_qp_count(struct rte_cryptodev *dev)
195 return dev->data->nb_queue_pairs;
199 ccp_pmd_session_get_size(struct rte_cryptodev *dev __rte_unused)
201 return sizeof(struct ccp_session);
205 ccp_pmd_session_configure(struct rte_cryptodev *dev,
206 struct rte_crypto_sym_xform *xform,
207 struct rte_cryptodev_sym_session *sess,
208 struct rte_mempool *mempool)
211 void *sess_private_data;
213 if (unlikely(sess == NULL || xform == NULL)) {
214 CCP_LOG_ERR("Invalid session struct or xform");
218 if (rte_mempool_get(mempool, &sess_private_data)) {
219 CCP_LOG_ERR("Couldn't get object from session mempool");
222 ret = ccp_set_session_parameters(sess_private_data, xform);
224 CCP_LOG_ERR("failed configure session parameters");
226 /* Return session to mempool */
227 rte_mempool_put(mempool, sess_private_data);
230 set_session_private_data(sess, dev->driver_id,
237 ccp_pmd_session_clear(struct rte_cryptodev *dev,
238 struct rte_cryptodev_sym_session *sess)
240 uint8_t index = dev->driver_id;
241 void *sess_priv = get_session_private_data(sess, index);
244 struct rte_mempool *sess_mp = rte_mempool_from_obj(sess_priv);
246 rte_mempool_put(sess_mp, sess_priv);
247 memset(sess_priv, 0, sizeof(struct ccp_session));
248 set_session_private_data(sess, index, NULL);
252 struct rte_cryptodev_ops ccp_ops = {
253 .dev_configure = ccp_pmd_config,
254 .dev_start = ccp_pmd_start,
255 .dev_stop = ccp_pmd_stop,
256 .dev_close = ccp_pmd_close,
261 .dev_infos_get = ccp_pmd_info_get,
263 .queue_pair_setup = ccp_pmd_qp_setup,
264 .queue_pair_release = ccp_pmd_qp_release,
265 .queue_pair_start = ccp_pmd_qp_start,
266 .queue_pair_stop = ccp_pmd_qp_stop,
267 .queue_pair_count = ccp_pmd_qp_count,
269 .session_get_size = ccp_pmd_session_get_size,
270 .session_configure = ccp_pmd_session_configure,
271 .session_clear = ccp_pmd_session_clear,
274 struct rte_cryptodev_ops *ccp_pmd_ops = &ccp_ops;