1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(c) 2018 Advanced Micro Devices, Inc. All rights reserved.
5 #include <rte_string_fns.h>
6 #include <rte_bus_pci.h>
7 #include <rte_bus_vdev.h>
8 #include <rte_common.h>
9 #include <rte_config.h>
10 #include <rte_cryptodev.h>
11 #include <rte_cryptodev_pmd.h>
14 #include <rte_malloc.h>
16 #include "ccp_crypto.h"
18 #include "ccp_pmd_private.h"
21 * Global static parameter used to find if CCP device is already initialized.
23 static unsigned int ccp_pmd_init_done;
24 uint8_t ccp_cryptodev_driver_id;
26 struct ccp_pmd_init_params {
27 struct rte_cryptodev_pmd_init_params def_p;
31 #define CCP_CRYPTODEV_PARAM_NAME ("name")
32 #define CCP_CRYPTODEV_PARAM_SOCKET_ID ("socket_id")
33 #define CCP_CRYPTODEV_PARAM_MAX_NB_QP ("max_nb_queue_pairs")
34 #define CCP_CRYPTODEV_PARAM_AUTH_OPT ("ccp_auth_opt")
36 const char *ccp_pmd_valid_params[] = {
37 CCP_CRYPTODEV_PARAM_NAME,
38 CCP_CRYPTODEV_PARAM_SOCKET_ID,
39 CCP_CRYPTODEV_PARAM_MAX_NB_QP,
40 CCP_CRYPTODEV_PARAM_AUTH_OPT,
43 /** ccp pmd auth option */
44 enum ccp_pmd_auth_opt {
45 CCP_PMD_AUTH_OPT_CCP = 0,
49 /** parse integer from integer argument */
51 parse_integer_arg(const char *key __rte_unused,
52 const char *value, void *extra_args)
54 int *i = (int *) extra_args;
58 CCP_LOG_ERR("Argument has to be positive.\n");
65 /** parse name argument */
67 parse_name_arg(const char *key __rte_unused,
68 const char *value, void *extra_args)
70 struct rte_cryptodev_pmd_init_params *params = extra_args;
72 if (strlen(value) >= RTE_CRYPTODEV_NAME_MAX_LEN - 1) {
73 CCP_LOG_ERR("Invalid name %s, should be less than "
75 RTE_CRYPTODEV_NAME_MAX_LEN - 1);
79 strncpy(params->name, value, RTE_CRYPTODEV_NAME_MAX_LEN);
84 /** parse authentication operation option */
86 parse_auth_opt_arg(const char *key __rte_unused,
87 const char *value, void *extra_args)
89 struct ccp_pmd_init_params *params = extra_args;
93 if (i < CCP_PMD_AUTH_OPT_CCP || i > CCP_PMD_AUTH_OPT_CPU) {
94 CCP_LOG_ERR("Invalid ccp pmd auth option. "
95 "0->auth on CCP(default), "
104 ccp_pmd_parse_input_args(struct ccp_pmd_init_params *params,
105 const char *input_args)
107 struct rte_kvargs *kvlist = NULL;
114 kvlist = rte_kvargs_parse(input_args,
115 ccp_pmd_valid_params);
119 ret = rte_kvargs_process(kvlist,
120 CCP_CRYPTODEV_PARAM_MAX_NB_QP,
122 ¶ms->def_p.max_nb_queue_pairs);
126 ret = rte_kvargs_process(kvlist,
127 CCP_CRYPTODEV_PARAM_SOCKET_ID,
129 ¶ms->def_p.socket_id);
133 ret = rte_kvargs_process(kvlist,
134 CCP_CRYPTODEV_PARAM_NAME,
140 ret = rte_kvargs_process(kvlist,
141 CCP_CRYPTODEV_PARAM_AUTH_OPT,
150 rte_kvargs_free(kvlist);
154 static struct ccp_session *
155 get_ccp_session(struct ccp_qp *qp, struct rte_crypto_op *op)
157 struct ccp_session *sess = NULL;
159 if (op->sess_type == RTE_CRYPTO_OP_WITH_SESSION) {
160 if (unlikely(op->sym->session == NULL))
163 sess = (struct ccp_session *)
164 get_sym_session_private_data(
166 ccp_cryptodev_driver_id);
167 } else if (op->sess_type == RTE_CRYPTO_OP_SESSIONLESS) {
169 void *_sess_private_data = NULL;
170 struct ccp_private *internals;
172 if (rte_mempool_get(qp->sess_mp, &_sess))
174 if (rte_mempool_get(qp->sess_mp, (void **)&_sess_private_data))
177 sess = (struct ccp_session *)_sess_private_data;
179 internals = (struct ccp_private *)qp->dev->data->dev_private;
180 if (unlikely(ccp_set_session_parameters(sess, op->sym->xform,
182 rte_mempool_put(qp->sess_mp, _sess);
183 rte_mempool_put(qp->sess_mp_priv, _sess_private_data);
186 op->sym->session = (struct rte_cryptodev_sym_session *)_sess;
187 set_sym_session_private_data(op->sym->session,
188 ccp_cryptodev_driver_id,
196 ccp_pmd_enqueue_burst(void *queue_pair, struct rte_crypto_op **ops,
199 struct ccp_session *sess = NULL;
200 struct ccp_qp *qp = queue_pair;
201 struct ccp_queue *cmd_q;
202 struct rte_cryptodev *dev = qp->dev;
203 uint16_t i, enq_cnt = 0, slots_req = 0;
208 if (unlikely(rte_ring_full(qp->processed_pkts) != 0))
211 for (i = 0; i < nb_ops; i++) {
212 sess = get_ccp_session(qp, ops[i]);
213 if (unlikely(sess == NULL) && (i == 0)) {
214 qp->qp_stats.enqueue_err_count++;
216 } else if (sess == NULL) {
220 slots_req += ccp_compute_slot_count(sess);
223 cmd_q = ccp_allot_queue(dev, slots_req);
224 if (unlikely(cmd_q == NULL))
227 enq_cnt = process_ops_to_enqueue(qp, ops, cmd_q, nb_ops, slots_req);
228 qp->qp_stats.enqueued_count += enq_cnt;
233 ccp_pmd_dequeue_burst(void *queue_pair, struct rte_crypto_op **ops,
236 struct ccp_qp *qp = queue_pair;
237 uint16_t nb_dequeued = 0, i;
239 nb_dequeued = process_ops_to_dequeue(qp, ops, nb_ops);
241 /* Free session if a session-less crypto op */
242 for (i = 0; i < nb_dequeued; i++)
243 if (unlikely(ops[i]->sess_type ==
244 RTE_CRYPTO_OP_SESSIONLESS)) {
245 struct ccp_session *sess = (struct ccp_session *)
246 get_sym_session_private_data(
247 ops[i]->sym->session,
248 ccp_cryptodev_driver_id);
250 rte_mempool_put(qp->sess_mp_priv,
252 rte_mempool_put(qp->sess_mp,
253 ops[i]->sym->session);
254 ops[i]->sym->session = NULL;
256 qp->qp_stats.dequeued_count += nb_dequeued;
262 * The set of PCI devices this driver supports
264 static struct rte_pci_id ccp_pci_id[] = {
266 RTE_PCI_DEVICE(0x1022, 0x1456), /* AMD CCP-5a */
269 RTE_PCI_DEVICE(0x1022, 0x1468), /* AMD CCP-5b */
274 /** Remove ccp pmd */
276 cryptodev_ccp_remove(struct rte_vdev_device *dev)
280 ccp_pmd_init_done = 0;
281 name = rte_vdev_device_name(dev);
285 RTE_LOG(INFO, PMD, "Closing ccp device %s on numa socket %u\n",
286 name, rte_socket_id());
291 /** Create crypto device */
293 cryptodev_ccp_create(const char *name,
294 struct rte_vdev_device *vdev,
295 struct ccp_pmd_init_params *init_params)
297 struct rte_cryptodev *dev;
298 struct ccp_private *internals;
299 uint8_t cryptodev_cnt = 0;
301 if (init_params->def_p.name[0] == '\0')
302 strlcpy(init_params->def_p.name, name,
303 sizeof(init_params->def_p.name));
305 dev = rte_cryptodev_pmd_create(init_params->def_p.name,
307 &init_params->def_p);
309 CCP_LOG_ERR("failed to create cryptodev vdev");
313 cryptodev_cnt = ccp_probe_devices(ccp_pci_id);
315 if (cryptodev_cnt == 0) {
316 CCP_LOG_ERR("failed to detect CCP crypto device");
320 printf("CCP : Crypto device count = %d\n", cryptodev_cnt);
321 dev->driver_id = ccp_cryptodev_driver_id;
323 /* register rx/tx burst functions for data path */
324 dev->dev_ops = ccp_pmd_ops;
325 dev->enqueue_burst = ccp_pmd_enqueue_burst;
326 dev->dequeue_burst = ccp_pmd_dequeue_burst;
328 dev->feature_flags = RTE_CRYPTODEV_FF_SYMMETRIC_CRYPTO |
329 RTE_CRYPTODEV_FF_HW_ACCELERATED |
330 RTE_CRYPTODEV_FF_SYM_OPERATION_CHAINING;
332 internals = dev->data->dev_private;
334 internals->max_nb_qpairs = init_params->def_p.max_nb_queue_pairs;
335 internals->auth_opt = init_params->auth_opt;
336 internals->crypto_num_dev = cryptodev_cnt;
341 CCP_LOG_ERR("driver %s: %s() failed",
342 init_params->def_p.name, __func__);
343 cryptodev_ccp_remove(vdev);
350 cryptodev_ccp_probe(struct rte_vdev_device *vdev)
354 struct ccp_pmd_init_params init_params = {
357 sizeof(struct ccp_private),
359 CCP_PMD_MAX_QUEUE_PAIRS
361 .auth_opt = CCP_PMD_AUTH_OPT_CCP,
363 const char *input_args;
365 if (ccp_pmd_init_done) {
366 RTE_LOG(INFO, PMD, "CCP PMD already initialized\n");
369 name = rte_vdev_device_name(vdev);
373 input_args = rte_vdev_device_args(vdev);
374 ccp_pmd_parse_input_args(&init_params, input_args);
375 init_params.def_p.max_nb_queue_pairs = CCP_PMD_MAX_QUEUE_PAIRS;
377 RTE_LOG(INFO, PMD, "Initialising %s on NUMA node %d\n", name,
378 init_params.def_p.socket_id);
379 RTE_LOG(INFO, PMD, "Max number of queue pairs = %d\n",
380 init_params.def_p.max_nb_queue_pairs);
381 RTE_LOG(INFO, PMD, "Authentication offload to %s\n",
382 ((init_params.auth_opt == 0) ? "CCP" : "CPU"));
384 rc = cryptodev_ccp_create(name, vdev, &init_params);
387 ccp_pmd_init_done = 1;
391 static struct rte_vdev_driver cryptodev_ccp_pmd_drv = {
392 .probe = cryptodev_ccp_probe,
393 .remove = cryptodev_ccp_remove
396 static struct cryptodev_driver ccp_crypto_drv;
398 RTE_PMD_REGISTER_VDEV(CRYPTODEV_NAME_CCP_PMD, cryptodev_ccp_pmd_drv);
399 RTE_PMD_REGISTER_PARAM_STRING(CRYPTODEV_NAME_CCP_PMD,
400 "max_nb_queue_pairs=<int> "
402 "ccp_auth_opt=<int>");
403 RTE_PMD_REGISTER_CRYPTO_DRIVER(ccp_crypto_drv, cryptodev_ccp_pmd_drv.driver,
404 ccp_cryptodev_driver_id);