1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(c) 2018 Advanced Micro Devices, Inc. All rights reserved.
5 #include <rte_bus_pci.h>
6 #include <rte_bus_vdev.h>
7 #include <rte_common.h>
8 #include <rte_config.h>
9 #include <rte_cryptodev.h>
10 #include <rte_cryptodev_pmd.h>
13 #include <rte_malloc.h>
15 #include "ccp_crypto.h"
17 #include "ccp_pmd_private.h"
20 * Global static parameter used to find if CCP device is already initialized.
22 static unsigned int ccp_pmd_init_done;
23 uint8_t ccp_cryptodev_driver_id;
25 static struct ccp_session *
26 get_ccp_session(struct ccp_qp *qp __rte_unused, struct rte_crypto_op *op)
28 struct ccp_session *sess = NULL;
30 if (op->sess_type == RTE_CRYPTO_OP_WITH_SESSION) {
31 if (unlikely(op->sym->session == NULL))
34 sess = (struct ccp_session *)
35 get_session_private_data(
37 ccp_cryptodev_driver_id);
44 ccp_pmd_enqueue_burst(void *queue_pair, struct rte_crypto_op **ops,
47 struct ccp_session *sess = NULL;
48 struct ccp_qp *qp = queue_pair;
49 struct ccp_queue *cmd_q;
50 struct rte_cryptodev *dev = qp->dev;
51 uint16_t i, enq_cnt = 0, slots_req = 0;
56 if (unlikely(rte_ring_full(qp->processed_pkts) != 0))
59 for (i = 0; i < nb_ops; i++) {
60 sess = get_ccp_session(qp, ops[i]);
61 if (unlikely(sess == NULL) && (i == 0)) {
62 qp->qp_stats.enqueue_err_count++;
64 } else if (sess == NULL) {
68 slots_req += ccp_compute_slot_count(sess);
71 cmd_q = ccp_allot_queue(dev, slots_req);
72 if (unlikely(cmd_q == NULL))
75 enq_cnt = process_ops_to_enqueue(qp, ops, cmd_q, nb_ops, slots_req);
76 qp->qp_stats.enqueued_count += enq_cnt;
81 ccp_pmd_dequeue_burst(void *queue_pair, struct rte_crypto_op **ops,
84 struct ccp_qp *qp = queue_pair;
85 uint16_t nb_dequeued = 0;
87 nb_dequeued = process_ops_to_dequeue(qp, ops, nb_ops);
89 qp->qp_stats.dequeued_count += nb_dequeued;
95 * The set of PCI devices this driver supports
97 static struct rte_pci_id ccp_pci_id[] = {
99 RTE_PCI_DEVICE(0x1022, 0x1456), /* AMD CCP-5a */
102 RTE_PCI_DEVICE(0x1022, 0x1468), /* AMD CCP-5b */
107 /** Remove ccp pmd */
109 cryptodev_ccp_remove(struct rte_vdev_device *dev)
113 ccp_pmd_init_done = 0;
114 name = rte_vdev_device_name(dev);
118 RTE_LOG(INFO, PMD, "Closing ccp device %s on numa socket %u\n",
119 name, rte_socket_id());
124 /** Create crypto device */
126 cryptodev_ccp_create(const char *name,
127 struct rte_vdev_device *vdev,
128 struct rte_cryptodev_pmd_init_params *init_params)
130 struct rte_cryptodev *dev;
131 struct ccp_private *internals;
132 uint8_t cryptodev_cnt = 0;
134 if (init_params->name[0] == '\0')
135 snprintf(init_params->name, sizeof(init_params->name),
138 dev = rte_cryptodev_pmd_create(init_params->name,
142 CCP_LOG_ERR("failed to create cryptodev vdev");
146 cryptodev_cnt = ccp_probe_devices(ccp_pci_id);
148 if (cryptodev_cnt == 0) {
149 CCP_LOG_ERR("failed to detect CCP crypto device");
153 printf("CCP : Crypto device count = %d\n", cryptodev_cnt);
154 dev->driver_id = ccp_cryptodev_driver_id;
156 /* register rx/tx burst functions for data path */
157 dev->dev_ops = ccp_pmd_ops;
158 dev->enqueue_burst = ccp_pmd_enqueue_burst;
159 dev->dequeue_burst = ccp_pmd_dequeue_burst;
161 dev->feature_flags = RTE_CRYPTODEV_FF_SYMMETRIC_CRYPTO |
162 RTE_CRYPTODEV_FF_HW_ACCELERATED |
163 RTE_CRYPTODEV_FF_SYM_OPERATION_CHAINING;
165 internals = dev->data->dev_private;
167 internals->max_nb_qpairs = init_params->max_nb_queue_pairs;
168 internals->max_nb_sessions = init_params->max_nb_sessions;
169 internals->crypto_num_dev = cryptodev_cnt;
174 CCP_LOG_ERR("driver %s: %s() failed",
175 init_params->name, __func__);
176 cryptodev_ccp_remove(vdev);
183 cryptodev_ccp_probe(struct rte_vdev_device *vdev)
187 struct rte_cryptodev_pmd_init_params init_params = {
189 sizeof(struct ccp_private),
191 CCP_PMD_MAX_QUEUE_PAIRS,
192 RTE_CRYPTODEV_PMD_DEFAULT_MAX_NB_SESSIONS
194 const char *input_args;
196 if (ccp_pmd_init_done) {
197 RTE_LOG(INFO, PMD, "CCP PMD already initialized\n");
200 name = rte_vdev_device_name(vdev);
204 input_args = rte_vdev_device_args(vdev);
205 rte_cryptodev_pmd_parse_input_args(&init_params, input_args);
206 init_params.max_nb_queue_pairs = CCP_PMD_MAX_QUEUE_PAIRS;
208 RTE_LOG(INFO, PMD, "Initialising %s on NUMA node %d\n", name,
209 init_params.socket_id);
210 RTE_LOG(INFO, PMD, "Max number of queue pairs = %d\n",
211 init_params.max_nb_queue_pairs);
212 RTE_LOG(INFO, PMD, "Max number of sessions = %d\n",
213 init_params.max_nb_sessions);
215 rc = cryptodev_ccp_create(name, vdev, &init_params);
218 ccp_pmd_init_done = 1;
222 static struct rte_vdev_driver cryptodev_ccp_pmd_drv = {
223 .probe = cryptodev_ccp_probe,
224 .remove = cryptodev_ccp_remove
227 static struct cryptodev_driver ccp_crypto_drv;
229 RTE_PMD_REGISTER_VDEV(CRYPTODEV_NAME_CCP_PMD, cryptodev_ccp_pmd_drv);
230 RTE_PMD_REGISTER_PARAM_STRING(CRYPTODEV_NAME_CCP_PMD,
231 "max_nb_queue_pairs=<int> max_nb_sessions=<int> socket_id=<int>");
232 RTE_PMD_REGISTER_CRYPTO_DRIVER(ccp_crypto_drv, cryptodev_ccp_pmd_drv.driver,
233 ccp_cryptodev_driver_id);