--- /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_reorder.h>
+#include <rte_cryptodev.h>
+#include <rte_cryptodev_pmd.h>
+#include <rte_cryptodev_scheduler.h>
+#include <rte_malloc.h>
+
+#include "scheduler_pmd_private.h"
+
+/** update the scheduler pmd's capability with attaching device's
+ * capability.
+ * For each device to be attached, the scheduler's capability should be
+ * the common capability set of all slaves
+ **/
+static uint32_t
+sync_caps(struct rte_cryptodev_capabilities *caps,
+ uint32_t nb_caps,
+ const struct rte_cryptodev_capabilities *slave_caps)
+{
+ uint32_t sync_nb_caps = nb_caps, nb_slave_caps = 0;
+ uint32_t i;
+
+ while (slave_caps[nb_slave_caps].op != RTE_CRYPTO_OP_TYPE_UNDEFINED)
+ nb_slave_caps++;
+
+ if (nb_caps == 0) {
+ rte_memcpy(caps, slave_caps, sizeof(*caps) * nb_slave_caps);
+ return nb_slave_caps;
+ }
+
+ for (i = 0; i < sync_nb_caps; i++) {
+ struct rte_cryptodev_capabilities *cap = &caps[i];
+ uint32_t j;
+
+ for (j = 0; j < nb_slave_caps; j++) {
+ const struct rte_cryptodev_capabilities *s_cap =
+ &slave_caps[i];
+
+ if (s_cap->op != cap->op || s_cap->sym.xform_type !=
+ cap->sym.xform_type)
+ continue;
+
+ if (s_cap->sym.xform_type ==
+ RTE_CRYPTO_SYM_XFORM_AUTH) {
+ if (s_cap->sym.auth.algo !=
+ cap->sym.auth.algo)
+ continue;
+
+ cap->sym.auth.digest_size.min =
+ s_cap->sym.auth.digest_size.min <
+ cap->sym.auth.digest_size.min ?
+ s_cap->sym.auth.digest_size.min :
+ cap->sym.auth.digest_size.min;
+ cap->sym.auth.digest_size.max =
+ s_cap->sym.auth.digest_size.max <
+ cap->sym.auth.digest_size.max ?
+ s_cap->sym.auth.digest_size.max :
+ cap->sym.auth.digest_size.max;
+
+ }
+
+ if (s_cap->sym.xform_type ==
+ RTE_CRYPTO_SYM_XFORM_CIPHER)
+ if (s_cap->sym.cipher.algo !=
+ cap->sym.cipher.algo)
+ continue;
+
+ /* no common cap found */
+ break;
+ }
+
+ if (j < nb_slave_caps)
+ continue;
+
+ /* remove a uncommon cap from the array */
+ for (j = i; j < sync_nb_caps - 1; j++)
+ rte_memcpy(&caps[j], &caps[j+1], sizeof(*cap));
+
+ memset(&caps[sync_nb_caps - 1], 0, sizeof(*cap));
+ sync_nb_caps--;
+ }
+
+ return sync_nb_caps;
+}
+
+static int
+update_scheduler_capability(struct scheduler_ctx *sched_ctx)
+{
+ struct rte_cryptodev_capabilities tmp_caps[256] = { {0} };
+ uint32_t nb_caps = 0, i;
+
+ if (sched_ctx->capabilities)
+ rte_free(sched_ctx->capabilities);
+
+ for (i = 0; i < sched_ctx->nb_slaves; i++) {
+ struct rte_cryptodev_info dev_info;
+
+ rte_cryptodev_info_get(sched_ctx->slaves[i].dev_id, &dev_info);
+
+ nb_caps = sync_caps(tmp_caps, nb_caps, dev_info.capabilities);
+ if (nb_caps == 0)
+ return -1;
+ }
+
+ sched_ctx->capabilities = rte_zmalloc_socket(NULL,
+ sizeof(struct rte_cryptodev_capabilities) *
+ (nb_caps + 1), 0, SOCKET_ID_ANY);
+ if (!sched_ctx->capabilities)
+ return -ENOMEM;
+
+ rte_memcpy(sched_ctx->capabilities, tmp_caps,
+ sizeof(struct rte_cryptodev_capabilities) * nb_caps);
+
+ return 0;
+}
+
+static void
+update_scheduler_feature_flag(struct rte_cryptodev *dev)
+{
+ struct scheduler_ctx *sched_ctx = dev->data->dev_private;
+ uint32_t i;
+
+ dev->feature_flags = 0;
+
+ for (i = 0; i < sched_ctx->nb_slaves; i++) {
+ struct rte_cryptodev_info dev_info;
+
+ rte_cryptodev_info_get(sched_ctx->slaves[i].dev_id, &dev_info);
+
+ dev->feature_flags |= dev_info.feature_flags;
+ }
+}
+
+static void
+update_max_nb_qp(struct scheduler_ctx *sched_ctx)
+{
+ uint32_t i;
+ uint32_t max_nb_qp;
+
+ if (!sched_ctx->nb_slaves)
+ return;
+
+ max_nb_qp = sched_ctx->nb_slaves ? UINT32_MAX : 0;
+
+ for (i = 0; i < sched_ctx->nb_slaves; i++) {
+ struct rte_cryptodev_info dev_info;
+
+ rte_cryptodev_info_get(sched_ctx->slaves[i].dev_id, &dev_info);
+ max_nb_qp = dev_info.max_nb_queue_pairs < max_nb_qp ?
+ dev_info.max_nb_queue_pairs : max_nb_qp;
+ }
+
+ sched_ctx->max_nb_queue_pairs = max_nb_qp;
+}
+
+/** Attach a device to the scheduler. */
+int
+rte_cryptodev_scheduler_slave_attach(uint8_t scheduler_id, uint8_t slave_id)
+{
+ struct rte_cryptodev *dev = rte_cryptodev_pmd_get_dev(scheduler_id);
+ struct scheduler_ctx *sched_ctx;
+ struct scheduler_slave *slave;
+ struct rte_cryptodev_info dev_info;
+ uint32_t i;
+
+ if (!dev) {
+ CS_LOG_ERR("Operation not supported");
+ return -ENOTSUP;
+ }
+
+ if (dev->dev_type != RTE_CRYPTODEV_SCHEDULER_PMD) {
+ CS_LOG_ERR("Operation not supported");
+ return -ENOTSUP;
+ }
+
+ if (dev->data->dev_started) {
+ CS_LOG_ERR("Illegal operation");
+ return -EBUSY;
+ }
+
+ sched_ctx = dev->data->dev_private;
+ if (sched_ctx->nb_slaves >= MAX_SLAVES_NUM) {
+ CS_LOG_ERR("Too many slaves attached");
+ return -ENOMEM;
+ }
+
+ for (i = 0; i < sched_ctx->nb_slaves; i++)
+ if (sched_ctx->slaves[i].dev_id == slave_id) {
+ CS_LOG_ERR("Slave already added");
+ return -ENOTSUP;
+ }
+
+ slave = &sched_ctx->slaves[sched_ctx->nb_slaves];
+
+ rte_cryptodev_info_get(slave_id, &dev_info);
+
+ slave->dev_id = slave_id;
+ slave->dev_type = dev_info.dev_type;
+ sched_ctx->nb_slaves++;
+
+ if (update_scheduler_capability(sched_ctx) < 0) {
+ slave->dev_id = 0;
+ slave->dev_type = 0;
+ sched_ctx->nb_slaves--;
+
+ CS_LOG_ERR("capabilities update failed");
+ return -ENOTSUP;
+ }
+
+ update_scheduler_feature_flag(dev);
+
+ update_max_nb_qp(sched_ctx);
+
+ return 0;
+}
+
+int
+rte_cryptodev_scheduler_slave_detach(uint8_t scheduler_id, uint8_t slave_id)
+{
+ struct rte_cryptodev *dev = rte_cryptodev_pmd_get_dev(scheduler_id);
+ struct scheduler_ctx *sched_ctx;
+ uint32_t i, slave_pos;
+
+ if (!dev) {
+ CS_LOG_ERR("Operation not supported");
+ return -ENOTSUP;
+ }
+
+ if (dev->dev_type != RTE_CRYPTODEV_SCHEDULER_PMD) {
+ CS_LOG_ERR("Operation not supported");
+ return -ENOTSUP;
+ }
+
+ if (dev->data->dev_started) {
+ CS_LOG_ERR("Illegal operation");
+ return -EBUSY;
+ }
+
+ sched_ctx = dev->data->dev_private;
+
+ for (slave_pos = 0; slave_pos < sched_ctx->nb_slaves; slave_pos++)
+ if (sched_ctx->slaves[slave_pos].dev_id == slave_id)
+ break;
+ if (slave_pos == sched_ctx->nb_slaves) {
+ CS_LOG_ERR("Cannot find slave");
+ return -ENOTSUP;
+ }
+
+ if (sched_ctx->ops.slave_detach(dev, slave_id) < 0) {
+ CS_LOG_ERR("Failed to detach slave");
+ return -ENOTSUP;
+ }
+
+ for (i = slave_pos; i < sched_ctx->nb_slaves - 1; i++) {
+ memcpy(&sched_ctx->slaves[i], &sched_ctx->slaves[i+1],
+ sizeof(struct scheduler_slave));
+ }
+ memset(&sched_ctx->slaves[sched_ctx->nb_slaves - 1], 0,
+ sizeof(struct scheduler_slave));
+ sched_ctx->nb_slaves--;
+
+ if (update_scheduler_capability(sched_ctx) < 0) {
+ CS_LOG_ERR("capabilities update failed");
+ return -ENOTSUP;
+ }
+
+ update_scheduler_feature_flag(dev);
+
+ update_max_nb_qp(sched_ctx);
+
+ return 0;
+}
+
+int
+rte_crpytodev_scheduler_mode_set(uint8_t scheduler_id,
+ enum rte_cryptodev_scheduler_mode mode)
+{
+ struct rte_cryptodev *dev = rte_cryptodev_pmd_get_dev(scheduler_id);
+ struct scheduler_ctx *sched_ctx;
+
+ if (!dev) {
+ CS_LOG_ERR("Operation not supported");
+ return -ENOTSUP;
+ }
+
+ if (dev->dev_type != RTE_CRYPTODEV_SCHEDULER_PMD) {
+ CS_LOG_ERR("Operation not supported");
+ return -ENOTSUP;
+ }
+
+ if (dev->data->dev_started) {
+ CS_LOG_ERR("Illegal operation");
+ return -EBUSY;
+ }
+
+ sched_ctx = dev->data->dev_private;
+
+ if (mode == sched_ctx->mode)
+ return 0;
+
+ switch (mode) {
+ default:
+ CS_LOG_ERR("Not yet supported");
+ return -ENOTSUP;
+ }
+
+ return 0;
+}
+
+enum rte_cryptodev_scheduler_mode
+rte_crpytodev_scheduler_mode_get(uint8_t scheduler_id)
+{
+ struct rte_cryptodev *dev = rte_cryptodev_pmd_get_dev(scheduler_id);
+ struct scheduler_ctx *sched_ctx;
+
+ if (!dev) {
+ CS_LOG_ERR("Operation not supported");
+ return -ENOTSUP;
+ }
+
+ if (dev->dev_type != RTE_CRYPTODEV_SCHEDULER_PMD) {
+ CS_LOG_ERR("Operation not supported");
+ return -ENOTSUP;
+ }
+
+ sched_ctx = dev->data->dev_private;
+
+ return sched_ctx->mode;
+}
+
+int
+rte_cryptodev_scheduler_ordering_set(uint8_t scheduler_id,
+ uint32_t enable_reorder)
+{
+ struct rte_cryptodev *dev = rte_cryptodev_pmd_get_dev(scheduler_id);
+ struct scheduler_ctx *sched_ctx;
+
+ if (!dev) {
+ CS_LOG_ERR("Operation not supported");
+ return -ENOTSUP;
+ }
+
+ if (dev->dev_type != RTE_CRYPTODEV_SCHEDULER_PMD) {
+ CS_LOG_ERR("Operation not supported");
+ return -ENOTSUP;
+ }
+
+ if (dev->data->dev_started) {
+ CS_LOG_ERR("Illegal operation");
+ return -EBUSY;
+ }
+
+ sched_ctx = dev->data->dev_private;
+
+ sched_ctx->reordering_enabled = enable_reorder;
+
+ return 0;
+}
+
+int
+rte_cryptodev_scheduler_ordering_get(uint8_t scheduler_id)
+{
+ struct rte_cryptodev *dev = rte_cryptodev_pmd_get_dev(scheduler_id);
+ struct scheduler_ctx *sched_ctx;
+
+ if (!dev) {
+ CS_LOG_ERR("Operation not supported");
+ return -ENOTSUP;
+ }
+
+ if (dev->dev_type != RTE_CRYPTODEV_SCHEDULER_PMD) {
+ CS_LOG_ERR("Operation not supported");
+ return -ENOTSUP;
+ }
+
+ sched_ctx = dev->data->dev_private;
+
+ return (int)sched_ctx->reordering_enabled;
+}
+
+int
+rte_cryptodev_scheduler_load_user_scheduler(uint8_t scheduler_id,
+ struct rte_cryptodev_scheduler *scheduler) {
+
+ struct rte_cryptodev *dev = rte_cryptodev_pmd_get_dev(scheduler_id);
+ struct scheduler_ctx *sched_ctx;
+
+ if (!dev) {
+ CS_LOG_ERR("Operation not supported");
+ return -ENOTSUP;
+ }
+
+ if (dev->dev_type != RTE_CRYPTODEV_SCHEDULER_PMD) {
+ CS_LOG_ERR("Operation not supported");
+ return -ENOTSUP;
+ }
+
+ if (dev->data->dev_started) {
+ CS_LOG_ERR("Illegal operation");
+ return -EBUSY;
+ }
+
+ sched_ctx = dev->data->dev_private;
+
+ strncpy(sched_ctx->name, scheduler->name,
+ RTE_CRYPTODEV_SCHEDULER_NAME_MAX_LEN);
+ strncpy(sched_ctx->description, scheduler->description,
+ RTE_CRYPTODEV_SCHEDULER_DESC_MAX_LEN);
+
+ /* load scheduler instance operations functions */
+ sched_ctx->ops.config_queue_pair = scheduler->ops->config_queue_pair;
+ sched_ctx->ops.create_private_ctx = scheduler->ops->create_private_ctx;
+ sched_ctx->ops.scheduler_start = scheduler->ops->scheduler_start;
+ sched_ctx->ops.scheduler_stop = scheduler->ops->scheduler_stop;
+ sched_ctx->ops.slave_attach = scheduler->ops->slave_attach;
+ sched_ctx->ops.slave_detach = scheduler->ops->slave_detach;
+
+ if (sched_ctx->private_ctx)
+ rte_free(sched_ctx->private_ctx);
+
+ if (sched_ctx->ops.create_private_ctx) {
+ int ret = (*sched_ctx->ops.create_private_ctx)(dev);
+
+ if (ret < 0) {
+ CS_LOG_ERR("Unable to create scheduler private "
+ "context");
+ return ret;
+ }
+ }
+
+ sched_ctx->mode = scheduler->mode;
+
+ return 0;
+}
git.droids-corp.org / dpdk.git / commitdiff