4 * Copyright(c) 2017 Intel Corporation. All rights reserved.
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
10 * * Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * * Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in
14 * the documentation and/or other materials provided with the
16 * * Neither the name of Intel Corporation nor the names of its
17 * contributors may be used to endorse or promote products derived
18 * from this software without specific prior written permission.
20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
21 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
22 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
23 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
24 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
25 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
26 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
27 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
28 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
30 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32 #include <rte_common.h>
33 #include <rte_hexdump.h>
34 #include <rte_cryptodev.h>
35 #include <rte_cryptodev_pmd.h>
37 #include <rte_malloc.h>
38 #include <rte_cpuflags.h>
39 #include <rte_reorder.h>
41 #include "rte_cryptodev_scheduler.h"
42 #include "scheduler_pmd_private.h"
44 struct scheduler_init_params {
45 struct rte_crypto_vdev_init_params def_p;
47 enum rte_cryptodev_scheduler_mode mode;
48 uint32_t enable_ordering;
49 char slave_names[RTE_CRYPTODEV_SCHEDULER_MAX_NB_SLAVES]
50 [RTE_CRYPTODEV_SCHEDULER_NAME_MAX_LEN];
53 #define RTE_CRYPTODEV_VDEV_NAME ("name")
54 #define RTE_CRYPTODEV_VDEV_SLAVE ("slave")
55 #define RTE_CRYPTODEV_VDEV_MODE ("mode")
56 #define RTE_CRYPTODEV_VDEV_ORDERING ("ordering")
57 #define RTE_CRYPTODEV_VDEV_MAX_NB_QP_ARG ("max_nb_queue_pairs")
58 #define RTE_CRYPTODEV_VDEV_MAX_NB_SESS_ARG ("max_nb_sessions")
59 #define RTE_CRYPTODEV_VDEV_SOCKET_ID ("socket_id")
61 const char *scheduler_valid_params[] = {
62 RTE_CRYPTODEV_VDEV_NAME,
63 RTE_CRYPTODEV_VDEV_SLAVE,
64 RTE_CRYPTODEV_VDEV_MODE,
65 RTE_CRYPTODEV_VDEV_ORDERING,
66 RTE_CRYPTODEV_VDEV_MAX_NB_QP_ARG,
67 RTE_CRYPTODEV_VDEV_MAX_NB_SESS_ARG,
68 RTE_CRYPTODEV_VDEV_SOCKET_ID
71 struct scheduler_parse_map {
76 const struct scheduler_parse_map scheduler_mode_map[] = {
77 {RTE_STR(SCHEDULER_MODE_NAME_ROUND_ROBIN),
78 CDEV_SCHED_MODE_ROUNDROBIN},
79 {RTE_STR(SCHEDULER_MODE_NAME_PKT_SIZE_DISTR),
80 CDEV_SCHED_MODE_PKT_SIZE_DISTR},
81 {RTE_STR(SCHEDULER_MODE_NAME_FAIL_OVER),
82 CDEV_SCHED_MODE_FAILOVER}
85 const struct scheduler_parse_map scheduler_ordering_map[] = {
91 cryptodev_scheduler_create(const char *name,
92 struct scheduler_init_params *init_params)
94 struct rte_cryptodev *dev;
95 struct scheduler_ctx *sched_ctx;
99 if (init_params->def_p.name[0] == '\0')
100 snprintf(init_params->def_p.name,
101 sizeof(init_params->def_p.name),
104 dev = rte_cryptodev_pmd_virtual_dev_init(init_params->def_p.name,
105 sizeof(struct scheduler_ctx),
106 init_params->def_p.socket_id);
108 CS_LOG_ERR("driver %s: failed to create cryptodev vdev",
113 dev->dev_type = RTE_CRYPTODEV_SCHEDULER_PMD;
114 dev->dev_ops = rte_crypto_scheduler_pmd_ops;
116 sched_ctx = dev->data->dev_private;
117 sched_ctx->max_nb_queue_pairs =
118 init_params->def_p.max_nb_queue_pairs;
120 if (init_params->mode > CDEV_SCHED_MODE_USERDEFINED &&
121 init_params->mode < CDEV_SCHED_MODE_COUNT) {
122 ret = rte_cryptodev_scheduler_mode_set(dev->data->dev_id,
125 rte_cryptodev_pmd_release_device(dev);
129 for (i = 0; i < RTE_DIM(scheduler_mode_map); i++) {
130 if (scheduler_mode_map[i].val != sched_ctx->mode)
133 RTE_LOG(INFO, PMD, " Scheduling mode = %s\n",
134 scheduler_mode_map[i].name);
139 sched_ctx->reordering_enabled = init_params->enable_ordering;
141 for (i = 0; i < RTE_DIM(scheduler_ordering_map); i++) {
142 if (scheduler_ordering_map[i].val !=
143 sched_ctx->reordering_enabled)
146 RTE_LOG(INFO, PMD, " Packet ordering = %s\n",
147 scheduler_ordering_map[i].name);
152 for (i = 0; i < init_params->nb_slaves; i++) {
153 sched_ctx->init_slave_names[sched_ctx->nb_init_slaves] =
156 RTE_CRYPTODEV_SCHEDULER_NAME_MAX_LEN, 0,
159 if (!sched_ctx->init_slave_names[
160 sched_ctx->nb_init_slaves]) {
161 CS_LOG_ERR("driver %s: Insufficient memory",
166 strncpy(sched_ctx->init_slave_names[
167 sched_ctx->nb_init_slaves],
168 init_params->slave_names[i],
169 RTE_CRYPTODEV_SCHEDULER_NAME_MAX_LEN - 1);
171 sched_ctx->nb_init_slaves++;
178 cryptodev_scheduler_remove(struct rte_vdev_device *vdev)
181 struct rte_cryptodev *dev;
182 struct scheduler_ctx *sched_ctx;
187 name = rte_vdev_device_name(vdev);
188 dev = rte_cryptodev_pmd_get_named_dev(name);
192 sched_ctx = dev->data->dev_private;
194 if (sched_ctx->nb_slaves) {
197 for (i = 0; i < sched_ctx->nb_slaves; i++)
198 rte_cryptodev_scheduler_slave_detach(dev->data->dev_id,
199 sched_ctx->slaves[i].dev_id);
202 RTE_LOG(INFO, PMD, "Closing Crypto Scheduler device %s on numa "
203 "socket %u\n", name, rte_socket_id());
209 number_of_sockets(void)
213 const struct rte_memseg *ms = rte_eal_get_physmem_layout();
215 for (i = 0; ((i < RTE_MAX_MEMSEG) && (ms[i].addr != NULL)); i++) {
216 if (sockets < ms[i].socket_id)
217 sockets = ms[i].socket_id;
220 /* Number of sockets = maximum socket_id + 1 */
224 /** Parse integer from integer argument */
226 parse_integer_arg(const char *key __rte_unused,
227 const char *value, void *extra_args)
229 int *i = (int *) extra_args;
233 CS_LOG_ERR("Argument has to be positive.\n");
242 parse_name_arg(const char *key __rte_unused,
243 const char *value, void *extra_args)
245 struct rte_crypto_vdev_init_params *params = extra_args;
247 if (strlen(value) >= RTE_CRYPTODEV_NAME_MAX_LEN - 1) {
248 CS_LOG_ERR("Invalid name %s, should be less than "
249 "%u bytes.\n", value,
250 RTE_CRYPTODEV_NAME_MAX_LEN - 1);
254 strncpy(params->name, value, RTE_CRYPTODEV_NAME_MAX_LEN);
261 parse_slave_arg(const char *key __rte_unused,
262 const char *value, void *extra_args)
264 struct scheduler_init_params *param = extra_args;
266 if (param->nb_slaves >= RTE_CRYPTODEV_SCHEDULER_MAX_NB_SLAVES - 1) {
267 CS_LOG_ERR("Too many slaves.\n");
271 strncpy(param->slave_names[param->nb_slaves++], value,
272 RTE_CRYPTODEV_SCHEDULER_NAME_MAX_LEN - 1);
278 parse_mode_arg(const char *key __rte_unused,
279 const char *value, void *extra_args)
281 struct scheduler_init_params *param = extra_args;
284 for (i = 0; i < RTE_DIM(scheduler_mode_map); i++) {
285 if (strcmp(value, scheduler_mode_map[i].name) == 0) {
286 param->mode = (enum rte_cryptodev_scheduler_mode)
287 scheduler_mode_map[i].val;
292 if (i == RTE_DIM(scheduler_mode_map)) {
293 CS_LOG_ERR("Unrecognized input.\n");
301 parse_ordering_arg(const char *key __rte_unused,
302 const char *value, void *extra_args)
304 struct scheduler_init_params *param = extra_args;
307 for (i = 0; i < RTE_DIM(scheduler_ordering_map); i++) {
308 if (strcmp(value, scheduler_ordering_map[i].name) == 0) {
309 param->enable_ordering =
310 scheduler_ordering_map[i].val;
315 if (i == RTE_DIM(scheduler_ordering_map)) {
316 CS_LOG_ERR("Unrecognized input.\n");
324 scheduler_parse_init_params(struct scheduler_init_params *params,
325 const char *input_args)
327 struct rte_kvargs *kvlist = NULL;
334 kvlist = rte_kvargs_parse(input_args,
335 scheduler_valid_params);
339 ret = rte_kvargs_process(kvlist,
340 RTE_CRYPTODEV_VDEV_MAX_NB_QP_ARG,
342 ¶ms->def_p.max_nb_queue_pairs);
346 ret = rte_kvargs_process(kvlist,
347 RTE_CRYPTODEV_VDEV_MAX_NB_SESS_ARG,
349 ¶ms->def_p.max_nb_sessions);
353 ret = rte_kvargs_process(kvlist, RTE_CRYPTODEV_VDEV_SOCKET_ID,
355 ¶ms->def_p.socket_id);
359 ret = rte_kvargs_process(kvlist, RTE_CRYPTODEV_VDEV_NAME,
365 ret = rte_kvargs_process(kvlist, RTE_CRYPTODEV_VDEV_SLAVE,
366 &parse_slave_arg, params);
370 ret = rte_kvargs_process(kvlist, RTE_CRYPTODEV_VDEV_MODE,
371 &parse_mode_arg, params);
375 ret = rte_kvargs_process(kvlist, RTE_CRYPTODEV_VDEV_ORDERING,
376 &parse_ordering_arg, params);
380 if (params->def_p.socket_id >= number_of_sockets()) {
381 CDEV_LOG_ERR("Invalid socket id specified to create "
382 "the virtual crypto device on");
388 rte_kvargs_free(kvlist);
393 cryptodev_scheduler_probe(struct rte_vdev_device *vdev)
395 struct scheduler_init_params init_params = {
397 RTE_CRYPTODEV_VDEV_DEFAULT_MAX_NB_QUEUE_PAIRS,
398 RTE_CRYPTODEV_VDEV_DEFAULT_MAX_NB_SESSIONS,
403 .mode = CDEV_SCHED_MODE_NOT_SET,
404 .enable_ordering = 0,
405 .slave_names = { {0} }
409 name = rte_vdev_device_name(vdev);
413 scheduler_parse_init_params(&init_params,
414 rte_vdev_device_args(vdev));
416 RTE_LOG(INFO, PMD, "Initialising %s on NUMA node %d\n",
418 init_params.def_p.socket_id);
419 RTE_LOG(INFO, PMD, " Max number of queue pairs = %d\n",
420 init_params.def_p.max_nb_queue_pairs);
421 RTE_LOG(INFO, PMD, " Max number of sessions = %d\n",
422 init_params.def_p.max_nb_sessions);
423 if (init_params.def_p.name[0] != '\0')
424 RTE_LOG(INFO, PMD, " User defined name = %s\n",
425 init_params.def_p.name);
427 return cryptodev_scheduler_create(name,
431 static struct rte_vdev_driver cryptodev_scheduler_pmd_drv = {
432 .probe = cryptodev_scheduler_probe,
433 .remove = cryptodev_scheduler_remove
436 RTE_PMD_REGISTER_VDEV(CRYPTODEV_NAME_SCHEDULER_PMD,
437 cryptodev_scheduler_pmd_drv);
438 RTE_PMD_REGISTER_PARAM_STRING(CRYPTODEV_NAME_SCHEDULER_PMD,
439 "max_nb_queue_pairs=<int> "
440 "max_nb_sessions=<int> "