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>
16 #include "ccp_pmd_private.h"
19 * Global static parameter used to find if CCP device is already initialized.
21 static unsigned int ccp_pmd_init_done;
22 uint8_t ccp_cryptodev_driver_id;
25 ccp_pmd_enqueue_burst(void *queue_pair __rte_unused,
26 struct rte_crypto_op **ops __rte_unused,
27 uint16_t nb_ops __rte_unused)
35 ccp_pmd_dequeue_burst(void *queue_pair __rte_unused,
36 struct rte_crypto_op **ops __rte_unused,
37 uint16_t nb_ops __rte_unused)
39 uint16_t nb_dequeued = 0;
45 * The set of PCI devices this driver supports
47 static struct rte_pci_id ccp_pci_id[] = {
49 RTE_PCI_DEVICE(0x1022, 0x1456), /* AMD CCP-5a */
52 RTE_PCI_DEVICE(0x1022, 0x1468), /* AMD CCP-5b */
59 cryptodev_ccp_remove(struct rte_vdev_device *dev)
63 ccp_pmd_init_done = 0;
64 name = rte_vdev_device_name(dev);
68 RTE_LOG(INFO, PMD, "Closing ccp device %s on numa socket %u\n",
69 name, rte_socket_id());
74 /** Create crypto device */
76 cryptodev_ccp_create(const char *name,
77 struct rte_vdev_device *vdev,
78 struct rte_cryptodev_pmd_init_params *init_params)
80 struct rte_cryptodev *dev;
81 struct ccp_private *internals;
82 uint8_t cryptodev_cnt = 0;
84 if (init_params->name[0] == '\0')
85 snprintf(init_params->name, sizeof(init_params->name),
88 dev = rte_cryptodev_pmd_create(init_params->name,
92 CCP_LOG_ERR("failed to create cryptodev vdev");
96 cryptodev_cnt = ccp_probe_devices(ccp_pci_id);
98 if (cryptodev_cnt == 0) {
99 CCP_LOG_ERR("failed to detect CCP crypto device");
103 printf("CCP : Crypto device count = %d\n", cryptodev_cnt);
104 dev->driver_id = ccp_cryptodev_driver_id;
106 /* register rx/tx burst functions for data path */
107 dev->dev_ops = ccp_pmd_ops;
108 dev->enqueue_burst = ccp_pmd_enqueue_burst;
109 dev->dequeue_burst = ccp_pmd_dequeue_burst;
111 dev->feature_flags = RTE_CRYPTODEV_FF_SYMMETRIC_CRYPTO |
112 RTE_CRYPTODEV_FF_HW_ACCELERATED |
113 RTE_CRYPTODEV_FF_SYM_OPERATION_CHAINING;
115 internals = dev->data->dev_private;
117 internals->max_nb_qpairs = init_params->max_nb_queue_pairs;
118 internals->max_nb_sessions = init_params->max_nb_sessions;
119 internals->crypto_num_dev = cryptodev_cnt;
124 CCP_LOG_ERR("driver %s: %s() failed",
125 init_params->name, __func__);
126 cryptodev_ccp_remove(vdev);
133 cryptodev_ccp_probe(struct rte_vdev_device *vdev)
137 struct rte_cryptodev_pmd_init_params init_params = {
139 sizeof(struct ccp_private),
141 CCP_PMD_MAX_QUEUE_PAIRS,
142 RTE_CRYPTODEV_PMD_DEFAULT_MAX_NB_SESSIONS
144 const char *input_args;
146 if (ccp_pmd_init_done) {
147 RTE_LOG(INFO, PMD, "CCP PMD already initialized\n");
150 name = rte_vdev_device_name(vdev);
154 input_args = rte_vdev_device_args(vdev);
155 rte_cryptodev_pmd_parse_input_args(&init_params, input_args);
156 init_params.max_nb_queue_pairs = CCP_PMD_MAX_QUEUE_PAIRS;
158 RTE_LOG(INFO, PMD, "Initialising %s on NUMA node %d\n", name,
159 init_params.socket_id);
160 RTE_LOG(INFO, PMD, "Max number of queue pairs = %d\n",
161 init_params.max_nb_queue_pairs);
162 RTE_LOG(INFO, PMD, "Max number of sessions = %d\n",
163 init_params.max_nb_sessions);
165 rc = cryptodev_ccp_create(name, vdev, &init_params);
168 ccp_pmd_init_done = 1;
172 static struct rte_vdev_driver cryptodev_ccp_pmd_drv = {
173 .probe = cryptodev_ccp_probe,
174 .remove = cryptodev_ccp_remove
177 static struct cryptodev_driver ccp_crypto_drv;
179 RTE_PMD_REGISTER_VDEV(CRYPTODEV_NAME_CCP_PMD, cryptodev_ccp_pmd_drv);
180 RTE_PMD_REGISTER_PARAM_STRING(CRYPTODEV_NAME_CCP_PMD,
181 "max_nb_queue_pairs=<int> max_nb_sessions=<int> socket_id=<int>");
182 RTE_PMD_REGISTER_CRYPTO_DRIVER(ccp_crypto_drv, cryptodev_ccp_pmd_drv.driver,
183 ccp_cryptodev_driver_id);