--- /dev/null
+/*-
+ * BSD LICENSE
+ *
+ * Copyright(c) 2017 Intel Corporation. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
+ * distribution.
+ * * Neither the name of Intel Corporation nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+#include <rte_common.h>
+#include <rte_hexdump.h>
+#include <rte_cryptodev.h>
+#include <rte_cryptodev_pmd.h>
+#include <rte_vdev.h>
+#include <rte_malloc.h>
+#include <rte_cpuflags.h>
+#include <rte_reorder.h>
+
+#include "rte_cryptodev_scheduler.h"
+#include "scheduler_pmd_private.h"
+
+struct scheduler_init_params {
+ struct rte_crypto_vdev_init_params def_p;
+ uint32_t nb_slaves;
+ enum rte_cryptodev_scheduler_mode mode;
+ uint32_t enable_ordering;
+ char slave_names[RTE_CRYPTODEV_SCHEDULER_MAX_NB_SLAVES]
+ [RTE_CRYPTODEV_SCHEDULER_NAME_MAX_LEN];
+};
+
+#define RTE_CRYPTODEV_VDEV_NAME ("name")
+#define RTE_CRYPTODEV_VDEV_SLAVE ("slave")
+#define RTE_CRYPTODEV_VDEV_MODE ("mode")
+#define RTE_CRYPTODEV_VDEV_ORDERING ("ordering")
+#define RTE_CRYPTODEV_VDEV_MAX_NB_QP_ARG ("max_nb_queue_pairs")
+#define RTE_CRYPTODEV_VDEV_MAX_NB_SESS_ARG ("max_nb_sessions")
+#define RTE_CRYPTODEV_VDEV_SOCKET_ID ("socket_id")
+
+const char *scheduler_valid_params[] = {
+ RTE_CRYPTODEV_VDEV_NAME,
+ RTE_CRYPTODEV_VDEV_SLAVE,
+ RTE_CRYPTODEV_VDEV_MODE,
+ RTE_CRYPTODEV_VDEV_ORDERING,
+ RTE_CRYPTODEV_VDEV_MAX_NB_QP_ARG,
+ RTE_CRYPTODEV_VDEV_MAX_NB_SESS_ARG,
+ RTE_CRYPTODEV_VDEV_SOCKET_ID
+};
+
+struct scheduler_parse_map {
+ const char *name;
+ uint32_t val;
+};
+
+const struct scheduler_parse_map scheduler_mode_map[] = {
+ {RTE_STR(SCHEDULER_MODE_NAME_ROUND_ROBIN),
+ CDEV_SCHED_MODE_ROUNDROBIN},
+ {RTE_STR(SCHEDULER_MODE_NAME_PKT_SIZE_DISTR),
+ CDEV_SCHED_MODE_PKT_SIZE_DISTR},
+ {RTE_STR(SCHEDULER_MODE_NAME_FAIL_OVER),
+ CDEV_SCHED_MODE_FAILOVER}
+};
+
+const struct scheduler_parse_map scheduler_ordering_map[] = {
+ {"enable", 1},
+ {"disable", 0}
+};
+
+static int
+cryptodev_scheduler_create(const char *name,
+ struct scheduler_init_params *init_params)
+{
+ struct rte_cryptodev *dev;
+ struct scheduler_ctx *sched_ctx;
+ uint32_t i;
+ int ret;
+
+ if (init_params->def_p.name[0] == '\0')
+ snprintf(init_params->def_p.name,
+ sizeof(init_params->def_p.name),
+ "%s", name);
+
+ dev = rte_cryptodev_pmd_virtual_dev_init(init_params->def_p.name,
+ sizeof(struct scheduler_ctx),
+ init_params->def_p.socket_id);
+ if (dev == NULL) {
+ CS_LOG_ERR("driver %s: failed to create cryptodev vdev",
+ name);
+ return -EFAULT;
+ }
+
+ dev->dev_type = RTE_CRYPTODEV_SCHEDULER_PMD;
+ dev->dev_ops = rte_crypto_scheduler_pmd_ops;
+
+ sched_ctx = dev->data->dev_private;
+ sched_ctx->max_nb_queue_pairs =
+ init_params->def_p.max_nb_queue_pairs;
+
+ if (init_params->mode > CDEV_SCHED_MODE_USERDEFINED &&
+ init_params->mode < CDEV_SCHED_MODE_COUNT) {
+ ret = rte_cryptodev_scheduler_mode_set(dev->data->dev_id,
+ init_params->mode);
+ if (ret < 0) {
+ rte_cryptodev_pmd_release_device(dev);
+ return ret;
+ }
+
+ for (i = 0; i < RTE_DIM(scheduler_mode_map); i++) {
+ if (scheduler_mode_map[i].val != sched_ctx->mode)
+ continue;
+
+ RTE_LOG(INFO, PMD, " Scheduling mode = %s\n",
+ scheduler_mode_map[i].name);
+ break;
+ }
+ }
+
+ sched_ctx->reordering_enabled = init_params->enable_ordering;
+
+ for (i = 0; i < RTE_DIM(scheduler_ordering_map); i++) {
+ if (scheduler_ordering_map[i].val !=
+ sched_ctx->reordering_enabled)
+ continue;
+
+ RTE_LOG(INFO, PMD, " Packet ordering = %s\n",
+ scheduler_ordering_map[i].name);
+
+ break;
+ }
+
+ for (i = 0; i < init_params->nb_slaves; i++) {
+ sched_ctx->init_slave_names[sched_ctx->nb_init_slaves] =
+ rte_zmalloc_socket(
+ NULL,
+ RTE_CRYPTODEV_SCHEDULER_NAME_MAX_LEN, 0,
+ SOCKET_ID_ANY);
+
+ if (!sched_ctx->init_slave_names[
+ sched_ctx->nb_init_slaves]) {
+ CS_LOG_ERR("driver %s: Insufficient memory",
+ name);
+ return -ENOMEM;
+ }
+
+ strncpy(sched_ctx->init_slave_names[
+ sched_ctx->nb_init_slaves],
+ init_params->slave_names[i],
+ RTE_CRYPTODEV_SCHEDULER_NAME_MAX_LEN - 1);
+
+ sched_ctx->nb_init_slaves++;
+ }
+
+ /*
+ * Initialize capabilities structure as an empty structure,
+ * in case device information is requested when no slaves are attached
+ */
+ sched_ctx->capabilities = rte_zmalloc_socket(NULL,
+ sizeof(struct rte_cryptodev_capabilities),
+ 0, SOCKET_ID_ANY);
+
+ if (!sched_ctx->capabilities) {
+ RTE_LOG(ERR, PMD, "Not enough memory for capability "
+ "information\n");
+ return -ENOMEM;
+ }
+
+ return 0;
+}
+
+static int
+cryptodev_scheduler_remove(struct rte_vdev_device *vdev)
+{
+ const char *name;
+ struct rte_cryptodev *dev;
+ struct scheduler_ctx *sched_ctx;
+
+ if (vdev == NULL)
+ return -EINVAL;
+
+ name = rte_vdev_device_name(vdev);
+ dev = rte_cryptodev_pmd_get_named_dev(name);
+ if (dev == NULL)
+ return -EINVAL;
+
+ sched_ctx = dev->data->dev_private;
+
+ if (sched_ctx->nb_slaves) {
+ uint32_t i;
+
+ for (i = 0; i < sched_ctx->nb_slaves; i++)
+ rte_cryptodev_scheduler_slave_detach(dev->data->dev_id,
+ sched_ctx->slaves[i].dev_id);
+ }
+
+ RTE_LOG(INFO, PMD, "Closing Crypto Scheduler device %s on numa "
+ "socket %u\n", name, rte_socket_id());
+
+ return 0;
+}
+
+static uint8_t
+number_of_sockets(void)
+{
+ int sockets = 0;
+ int i;
+ const struct rte_memseg *ms = rte_eal_get_physmem_layout();
+
+ for (i = 0; ((i < RTE_MAX_MEMSEG) && (ms[i].addr != NULL)); i++) {
+ if (sockets < ms[i].socket_id)
+ sockets = ms[i].socket_id;
+ }
+
+ /* Number of sockets = maximum socket_id + 1 */
+ return ++sockets;
+}
+
+/** Parse integer from integer argument */
+static int
+parse_integer_arg(const char *key __rte_unused,
+ const char *value, void *extra_args)
+{
+ int *i = (int *) extra_args;
+
+ *i = atoi(value);
+ if (*i < 0) {
+ CS_LOG_ERR("Argument has to be positive.\n");
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+/** Parse name */
+static int
+parse_name_arg(const char *key __rte_unused,
+ const char *value, void *extra_args)
+{
+ struct rte_crypto_vdev_init_params *params = extra_args;
+
+ if (strlen(value) >= RTE_CRYPTODEV_NAME_MAX_LEN - 1) {
+ CS_LOG_ERR("Invalid name %s, should be less than "
+ "%u bytes.\n", value,
+ RTE_CRYPTODEV_NAME_MAX_LEN - 1);
+ return -EINVAL;
+ }
+
+ strncpy(params->name, value, RTE_CRYPTODEV_NAME_MAX_LEN);
+
+ return 0;
+}
+
+/** Parse slave */
+static int
+parse_slave_arg(const char *key __rte_unused,
+ const char *value, void *extra_args)
+{
+ struct scheduler_init_params *param = extra_args;
+
+ if (param->nb_slaves >= RTE_CRYPTODEV_SCHEDULER_MAX_NB_SLAVES - 1) {
+ CS_LOG_ERR("Too many slaves.\n");
+ return -ENOMEM;
+ }
+
+ strncpy(param->slave_names[param->nb_slaves++], value,
+ RTE_CRYPTODEV_SCHEDULER_NAME_MAX_LEN - 1);
+
+ return 0;
+}
+
+static int
+parse_mode_arg(const char *key __rte_unused,
+ const char *value, void *extra_args)
+{
+ struct scheduler_init_params *param = extra_args;
+ uint32_t i;
+
+ for (i = 0; i < RTE_DIM(scheduler_mode_map); i++) {
+ if (strcmp(value, scheduler_mode_map[i].name) == 0) {
+ param->mode = (enum rte_cryptodev_scheduler_mode)
+ scheduler_mode_map[i].val;
+ break;
+ }
+ }
+
+ if (i == RTE_DIM(scheduler_mode_map)) {
+ CS_LOG_ERR("Unrecognized input.\n");
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static int
+parse_ordering_arg(const char *key __rte_unused,
+ const char *value, void *extra_args)
+{
+ struct scheduler_init_params *param = extra_args;
+ uint32_t i;
+
+ for (i = 0; i < RTE_DIM(scheduler_ordering_map); i++) {
+ if (strcmp(value, scheduler_ordering_map[i].name) == 0) {
+ param->enable_ordering =
+ scheduler_ordering_map[i].val;
+ break;
+ }
+ }
+
+ if (i == RTE_DIM(scheduler_ordering_map)) {
+ CS_LOG_ERR("Unrecognized input.\n");
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static int
+scheduler_parse_init_params(struct scheduler_init_params *params,
+ const char *input_args)
+{
+ struct rte_kvargs *kvlist = NULL;
+ int ret = 0;
+
+ if (params == NULL)
+ return -EINVAL;
+
+ if (input_args) {
+ kvlist = rte_kvargs_parse(input_args,
+ scheduler_valid_params);
+ if (kvlist == NULL)
+ return -1;
+
+ ret = rte_kvargs_process(kvlist,
+ RTE_CRYPTODEV_VDEV_MAX_NB_QP_ARG,
+ &parse_integer_arg,
+ ¶ms->def_p.max_nb_queue_pairs);
+ if (ret < 0)
+ goto free_kvlist;
+
+ ret = rte_kvargs_process(kvlist,
+ RTE_CRYPTODEV_VDEV_MAX_NB_SESS_ARG,
+ &parse_integer_arg,
+ ¶ms->def_p.max_nb_sessions);
+ if (ret < 0)
+ goto free_kvlist;
+
+ ret = rte_kvargs_process(kvlist, RTE_CRYPTODEV_VDEV_SOCKET_ID,
+ &parse_integer_arg,
+ ¶ms->def_p.socket_id);
+ if (ret < 0)
+ goto free_kvlist;
+
+ ret = rte_kvargs_process(kvlist, RTE_CRYPTODEV_VDEV_NAME,
+ &parse_name_arg,
+ ¶ms->def_p);
+ if (ret < 0)
+ goto free_kvlist;
+
+ ret = rte_kvargs_process(kvlist, RTE_CRYPTODEV_VDEV_SLAVE,
+ &parse_slave_arg, params);
+ if (ret < 0)
+ goto free_kvlist;
+
+ ret = rte_kvargs_process(kvlist, RTE_CRYPTODEV_VDEV_MODE,
+ &parse_mode_arg, params);
+ if (ret < 0)
+ goto free_kvlist;
+
+ ret = rte_kvargs_process(kvlist, RTE_CRYPTODEV_VDEV_ORDERING,
+ &parse_ordering_arg, params);
+ if (ret < 0)
+ goto free_kvlist;
+
+ if (params->def_p.socket_id >= number_of_sockets()) {
+ CDEV_LOG_ERR("Invalid socket id specified to create "
+ "the virtual crypto device on");
+ goto free_kvlist;
+ }
+ }
+
+free_kvlist:
+ rte_kvargs_free(kvlist);
+ return ret;
+}
+
+static int
+cryptodev_scheduler_probe(struct rte_vdev_device *vdev)
+{
+ struct scheduler_init_params init_params = {
+ .def_p = {
+ RTE_CRYPTODEV_VDEV_DEFAULT_MAX_NB_QUEUE_PAIRS,
+ RTE_CRYPTODEV_VDEV_DEFAULT_MAX_NB_SESSIONS,
+ rte_socket_id(),
+ ""
+ },
+ .nb_slaves = 0,
+ .mode = CDEV_SCHED_MODE_NOT_SET,
+ .enable_ordering = 0,
+ .slave_names = { {0} }
+ };
+ const char *name;
+
+ name = rte_vdev_device_name(vdev);
+ if (name == NULL)
+ return -EINVAL;
+
+ scheduler_parse_init_params(&init_params,
+ rte_vdev_device_args(vdev));
+
+ RTE_LOG(INFO, PMD, "Initialising %s on NUMA node %d\n",
+ name,
+ init_params.def_p.socket_id);
+ RTE_LOG(INFO, PMD, " Max number of queue pairs = %d\n",
+ init_params.def_p.max_nb_queue_pairs);
+ RTE_LOG(INFO, PMD, " Max number of sessions = %d\n",
+ init_params.def_p.max_nb_sessions);
+ if (init_params.def_p.name[0] != '\0')
+ RTE_LOG(INFO, PMD, " User defined name = %s\n",
+ init_params.def_p.name);
+
+ return cryptodev_scheduler_create(name,
+ &init_params);
+}
+
+static struct rte_vdev_driver cryptodev_scheduler_pmd_drv = {
+ .probe = cryptodev_scheduler_probe,
+ .remove = cryptodev_scheduler_remove
+};
+
+RTE_PMD_REGISTER_VDEV(CRYPTODEV_NAME_SCHEDULER_PMD,
+ cryptodev_scheduler_pmd_drv);
+RTE_PMD_REGISTER_PARAM_STRING(CRYPTODEV_NAME_SCHEDULER_PMD,
+ "max_nb_queue_pairs=<int> "
+ "max_nb_sessions=<int> "
+ "socket_id=<int> "
+ "slave=<name>");
Code Review / deb_dpdk.git / blobdiff