--- /dev/null
+/*
+ * BSD LICENSE
+ *
+ * Copyright(c) 2016 Cavium networks. 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 Cavium networks 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 <ctype.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <stdarg.h>
+#include <errno.h>
+#include <stdint.h>
+#include <inttypes.h>
+#include <sys/types.h>
+#include <sys/queue.h>
+
+#include <rte_byteorder.h>
+#include <rte_log.h>
+#include <rte_debug.h>
+#include <rte_dev.h>
+#include <rte_pci.h>
+#include <rte_memory.h>
+#include <rte_memcpy.h>
+#include <rte_memzone.h>
+#include <rte_eal.h>
+#include <rte_per_lcore.h>
+#include <rte_lcore.h>
+#include <rte_atomic.h>
+#include <rte_branch_prediction.h>
+#include <rte_common.h>
+#include <rte_malloc.h>
+#include <rte_errno.h>
+
+#include "rte_eventdev.h"
+#include "rte_eventdev_pmd.h"
+
+struct rte_eventdev rte_event_devices[RTE_EVENT_MAX_DEVS];
+
+struct rte_eventdev *rte_eventdevs = &rte_event_devices[0];
+
+static struct rte_eventdev_global eventdev_globals = {
+ .nb_devs = 0
+};
+
+struct rte_eventdev_global *rte_eventdev_globals = &eventdev_globals;
+
+/* Event dev north bound API implementation */
+
+uint8_t
+rte_event_dev_count(void)
+{
+ return rte_eventdev_globals->nb_devs;
+}
+
+int
+rte_event_dev_get_dev_id(const char *name)
+{
+ int i;
+
+ if (!name)
+ return -EINVAL;
+
+ for (i = 0; i < rte_eventdev_globals->nb_devs; i++)
+ if ((strcmp(rte_event_devices[i].data->name, name)
+ == 0) &&
+ (rte_event_devices[i].attached ==
+ RTE_EVENTDEV_ATTACHED))
+ return i;
+ return -ENODEV;
+}
+
+int
+rte_event_dev_socket_id(uint8_t dev_id)
+{
+ struct rte_eventdev *dev;
+
+ RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL);
+ dev = &rte_eventdevs[dev_id];
+
+ return dev->data->socket_id;
+}
+
+int
+rte_event_dev_info_get(uint8_t dev_id, struct rte_event_dev_info *dev_info)
+{
+ struct rte_eventdev *dev;
+
+ RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL);
+ dev = &rte_eventdevs[dev_id];
+
+ if (dev_info == NULL)
+ return -EINVAL;
+
+ memset(dev_info, 0, sizeof(struct rte_event_dev_info));
+
+ RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_infos_get, -ENOTSUP);
+ (*dev->dev_ops->dev_infos_get)(dev, dev_info);
+
+ dev_info->dequeue_timeout_ns = dev->data->dev_conf.dequeue_timeout_ns;
+
+ dev_info->pci_dev = dev->pci_dev;
+ return 0;
+}
+
+static inline int
+rte_event_dev_queue_config(struct rte_eventdev *dev, uint8_t nb_queues)
+{
+ uint8_t old_nb_queues = dev->data->nb_queues;
+ uint8_t *queues_prio;
+ unsigned int i;
+
+ RTE_EDEV_LOG_DEBUG("Setup %d queues on device %u", nb_queues,
+ dev->data->dev_id);
+
+ /* First time configuration */
+ if (dev->data->queues_prio == NULL && nb_queues != 0) {
+ /* Allocate memory to store queue priority */
+ dev->data->queues_prio = rte_zmalloc_socket(
+ "eventdev->data->queues_prio",
+ sizeof(dev->data->queues_prio[0]) * nb_queues,
+ RTE_CACHE_LINE_SIZE, dev->data->socket_id);
+ if (dev->data->queues_prio == NULL) {
+ dev->data->nb_queues = 0;
+ RTE_EDEV_LOG_ERR("failed to get mem for queue priority,"
+ "nb_queues %u", nb_queues);
+ return -(ENOMEM);
+ }
+ /* Re-configure */
+ } else if (dev->data->queues_prio != NULL && nb_queues != 0) {
+ RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->queue_release, -ENOTSUP);
+
+ for (i = nb_queues; i < old_nb_queues; i++)
+ (*dev->dev_ops->queue_release)(dev, i);
+
+ /* Re allocate memory to store queue priority */
+ queues_prio = dev->data->queues_prio;
+ queues_prio = rte_realloc(queues_prio,
+ sizeof(queues_prio[0]) * nb_queues,
+ RTE_CACHE_LINE_SIZE);
+ if (queues_prio == NULL) {
+ RTE_EDEV_LOG_ERR("failed to realloc queue priority,"
+ " nb_queues %u", nb_queues);
+ return -(ENOMEM);
+ }
+ dev->data->queues_prio = queues_prio;
+
+ if (nb_queues > old_nb_queues) {
+ uint8_t new_qs = nb_queues - old_nb_queues;
+
+ memset(queues_prio + old_nb_queues, 0,
+ sizeof(queues_prio[0]) * new_qs);
+ }
+ } else if (dev->data->queues_prio != NULL && nb_queues == 0) {
+ RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->queue_release, -ENOTSUP);
+
+ for (i = nb_queues; i < old_nb_queues; i++)
+ (*dev->dev_ops->queue_release)(dev, i);
+ }
+
+ dev->data->nb_queues = nb_queues;
+ return 0;
+}
+
+static inline int
+rte_event_dev_port_config(struct rte_eventdev *dev, uint8_t nb_ports)
+{
+ uint8_t old_nb_ports = dev->data->nb_ports;
+ void **ports;
+ uint16_t *links_map;
+ uint8_t *ports_dequeue_depth;
+ uint8_t *ports_enqueue_depth;
+ unsigned int i;
+
+ RTE_EDEV_LOG_DEBUG("Setup %d ports on device %u", nb_ports,
+ dev->data->dev_id);
+
+ /* First time configuration */
+ if (dev->data->ports == NULL && nb_ports != 0) {
+ dev->data->ports = rte_zmalloc_socket("eventdev->data->ports",
+ sizeof(dev->data->ports[0]) * nb_ports,
+ RTE_CACHE_LINE_SIZE, dev->data->socket_id);
+ if (dev->data->ports == NULL) {
+ dev->data->nb_ports = 0;
+ RTE_EDEV_LOG_ERR("failed to get mem for port meta data,"
+ "nb_ports %u", nb_ports);
+ return -(ENOMEM);
+ }
+
+ /* Allocate memory to store ports dequeue depth */
+ dev->data->ports_dequeue_depth =
+ rte_zmalloc_socket("eventdev->ports_dequeue_depth",
+ sizeof(dev->data->ports_dequeue_depth[0]) * nb_ports,
+ RTE_CACHE_LINE_SIZE, dev->data->socket_id);
+ if (dev->data->ports_dequeue_depth == NULL) {
+ dev->data->nb_ports = 0;
+ RTE_EDEV_LOG_ERR("failed to get mem for port deq meta,"
+ "nb_ports %u", nb_ports);
+ return -(ENOMEM);
+ }
+
+ /* Allocate memory to store ports enqueue depth */
+ dev->data->ports_enqueue_depth =
+ rte_zmalloc_socket("eventdev->ports_enqueue_depth",
+ sizeof(dev->data->ports_enqueue_depth[0]) * nb_ports,
+ RTE_CACHE_LINE_SIZE, dev->data->socket_id);
+ if (dev->data->ports_enqueue_depth == NULL) {
+ dev->data->nb_ports = 0;
+ RTE_EDEV_LOG_ERR("failed to get mem for port enq meta,"
+ "nb_ports %u", nb_ports);
+ return -(ENOMEM);
+ }
+
+ /* Allocate memory to store queue to port link connection */
+ dev->data->links_map =
+ rte_zmalloc_socket("eventdev->links_map",
+ sizeof(dev->data->links_map[0]) * nb_ports *
+ RTE_EVENT_MAX_QUEUES_PER_DEV,
+ RTE_CACHE_LINE_SIZE, dev->data->socket_id);
+ if (dev->data->links_map == NULL) {
+ dev->data->nb_ports = 0;
+ RTE_EDEV_LOG_ERR("failed to get mem for port_map area,"
+ "nb_ports %u", nb_ports);
+ return -(ENOMEM);
+ }
+ } else if (dev->data->ports != NULL && nb_ports != 0) {/* re-config */
+ RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->port_release, -ENOTSUP);
+
+ ports = dev->data->ports;
+ ports_dequeue_depth = dev->data->ports_dequeue_depth;
+ ports_enqueue_depth = dev->data->ports_enqueue_depth;
+ links_map = dev->data->links_map;
+
+ for (i = nb_ports; i < old_nb_ports; i++)
+ (*dev->dev_ops->port_release)(ports[i]);
+
+ /* Realloc memory for ports */
+ ports = rte_realloc(ports, sizeof(ports[0]) * nb_ports,
+ RTE_CACHE_LINE_SIZE);
+ if (ports == NULL) {
+ RTE_EDEV_LOG_ERR("failed to realloc port meta data,"
+ " nb_ports %u", nb_ports);
+ return -(ENOMEM);
+ }
+
+ /* Realloc memory for ports_dequeue_depth */
+ ports_dequeue_depth = rte_realloc(ports_dequeue_depth,
+ sizeof(ports_dequeue_depth[0]) * nb_ports,
+ RTE_CACHE_LINE_SIZE);
+ if (ports_dequeue_depth == NULL) {
+ RTE_EDEV_LOG_ERR("failed to realloc port dequeue meta,"
+ " nb_ports %u", nb_ports);
+ return -(ENOMEM);
+ }
+
+ /* Realloc memory for ports_enqueue_depth */
+ ports_enqueue_depth = rte_realloc(ports_enqueue_depth,
+ sizeof(ports_enqueue_depth[0]) * nb_ports,
+ RTE_CACHE_LINE_SIZE);
+ if (ports_enqueue_depth == NULL) {
+ RTE_EDEV_LOG_ERR("failed to realloc port enqueue meta,"
+ " nb_ports %u", nb_ports);
+ return -(ENOMEM);
+ }
+
+ /* Realloc memory to store queue to port link connection */
+ links_map = rte_realloc(links_map,
+ sizeof(dev->data->links_map[0]) * nb_ports *
+ RTE_EVENT_MAX_QUEUES_PER_DEV,
+ RTE_CACHE_LINE_SIZE);
+ if (dev->data->links_map == NULL) {
+ dev->data->nb_ports = 0;
+ RTE_EDEV_LOG_ERR("failed to realloc mem for port_map,"
+ "nb_ports %u", nb_ports);
+ return -(ENOMEM);
+ }
+
+ if (nb_ports > old_nb_ports) {
+ uint8_t new_ps = nb_ports - old_nb_ports;
+
+ memset(ports + old_nb_ports, 0,
+ sizeof(ports[0]) * new_ps);
+ memset(ports_dequeue_depth + old_nb_ports, 0,
+ sizeof(ports_dequeue_depth[0]) * new_ps);
+ memset(ports_enqueue_depth + old_nb_ports, 0,
+ sizeof(ports_enqueue_depth[0]) * new_ps);
+ memset(links_map +
+ (old_nb_ports * RTE_EVENT_MAX_QUEUES_PER_DEV),
+ 0, sizeof(ports_enqueue_depth[0]) * new_ps);
+ }
+
+ dev->data->ports = ports;
+ dev->data->ports_dequeue_depth = ports_dequeue_depth;
+ dev->data->ports_enqueue_depth = ports_enqueue_depth;
+ dev->data->links_map = links_map;
+ } else if (dev->data->ports != NULL && nb_ports == 0) {
+ RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->port_release, -ENOTSUP);
+
+ ports = dev->data->ports;
+ for (i = nb_ports; i < old_nb_ports; i++)
+ (*dev->dev_ops->port_release)(ports[i]);
+ }
+
+ dev->data->nb_ports = nb_ports;
+ return 0;
+}
+
+int
+rte_event_dev_configure(uint8_t dev_id,
+ const struct rte_event_dev_config *dev_conf)
+{
+ struct rte_eventdev *dev;
+ struct rte_event_dev_info info;
+ int diag;
+
+ RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL);
+ dev = &rte_eventdevs[dev_id];
+
+ RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_infos_get, -ENOTSUP);
+ RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_configure, -ENOTSUP);
+
+ if (dev->data->dev_started) {
+ RTE_EDEV_LOG_ERR(
+ "device %d must be stopped to allow configuration", dev_id);
+ return -EBUSY;
+ }
+
+ if (dev_conf == NULL)
+ return -EINVAL;
+
+ (*dev->dev_ops->dev_infos_get)(dev, &info);
+
+ /* Check dequeue_timeout_ns value is in limit */
+ if (!dev_conf->event_dev_cfg & RTE_EVENT_DEV_CFG_PER_DEQUEUE_TIMEOUT) {
+ if (dev_conf->dequeue_timeout_ns < info.min_dequeue_timeout_ns
+ || dev_conf->dequeue_timeout_ns >
+ info.max_dequeue_timeout_ns) {
+ RTE_EDEV_LOG_ERR("dev%d invalid dequeue_timeout_ns=%d"
+ " min_dequeue_timeout_ns=%d max_dequeue_timeout_ns=%d",
+ dev_id, dev_conf->dequeue_timeout_ns,
+ info.min_dequeue_timeout_ns,
+ info.max_dequeue_timeout_ns);
+ return -EINVAL;
+ }
+ }
+
+ /* Check nb_events_limit is in limit */
+ if (dev_conf->nb_events_limit > info.max_num_events) {
+ RTE_EDEV_LOG_ERR("dev%d nb_events_limit=%d > max_num_events=%d",
+ dev_id, dev_conf->nb_events_limit, info.max_num_events);
+ return -EINVAL;
+ }
+
+ /* Check nb_event_queues is in limit */
+ if (!dev_conf->nb_event_queues) {
+ RTE_EDEV_LOG_ERR("dev%d nb_event_queues cannot be zero",
+ dev_id);
+ return -EINVAL;
+ }
+ if (dev_conf->nb_event_queues > info.max_event_queues) {
+ RTE_EDEV_LOG_ERR("%d nb_event_queues=%d > max_event_queues=%d",
+ dev_id, dev_conf->nb_event_queues, info.max_event_queues);
+ return -EINVAL;
+ }
+
+ /* Check nb_event_ports is in limit */
+ if (!dev_conf->nb_event_ports) {
+ RTE_EDEV_LOG_ERR("dev%d nb_event_ports cannot be zero", dev_id);
+ return -EINVAL;
+ }
+ if (dev_conf->nb_event_ports > info.max_event_ports) {
+ RTE_EDEV_LOG_ERR("id%d nb_event_ports=%d > max_event_ports= %d",
+ dev_id, dev_conf->nb_event_ports, info.max_event_ports);
+ return -EINVAL;
+ }
+
+ /* Check nb_event_queue_flows is in limit */
+ if (!dev_conf->nb_event_queue_flows) {
+ RTE_EDEV_LOG_ERR("dev%d nb_flows cannot be zero", dev_id);
+ return -EINVAL;
+ }
+ if (dev_conf->nb_event_queue_flows > info.max_event_queue_flows) {
+ RTE_EDEV_LOG_ERR("dev%d nb_flows=%x > max_flows=%x",
+ dev_id, dev_conf->nb_event_queue_flows,
+ info.max_event_queue_flows);
+ return -EINVAL;
+ }
+
+ /* Check nb_event_port_dequeue_depth is in limit */
+ if (!dev_conf->nb_event_port_dequeue_depth) {
+ RTE_EDEV_LOG_ERR("dev%d nb_dequeue_depth cannot be zero",
+ dev_id);
+ return -EINVAL;
+ }
+ if (dev_conf->nb_event_port_dequeue_depth >
+ info.max_event_port_dequeue_depth) {
+ RTE_EDEV_LOG_ERR("dev%d nb_dq_depth=%d > max_dq_depth=%d",
+ dev_id, dev_conf->nb_event_port_dequeue_depth,
+ info.max_event_port_dequeue_depth);
+ return -EINVAL;
+ }
+
+ /* Check nb_event_port_enqueue_depth is in limit */
+ if (!dev_conf->nb_event_port_enqueue_depth) {
+ RTE_EDEV_LOG_ERR("dev%d nb_enqueue_depth cannot be zero",
+ dev_id);
+ return -EINVAL;
+ }
+ if (dev_conf->nb_event_port_enqueue_depth >
+ info.max_event_port_enqueue_depth) {
+ RTE_EDEV_LOG_ERR("dev%d nb_enq_depth=%d > max_enq_depth=%d",
+ dev_id, dev_conf->nb_event_port_enqueue_depth,
+ info.max_event_port_enqueue_depth);
+ return -EINVAL;
+ }
+
+ /* Copy the dev_conf parameter into the dev structure */
+ memcpy(&dev->data->dev_conf, dev_conf, sizeof(dev->data->dev_conf));
+
+ /* Setup new number of queues and reconfigure device. */
+ diag = rte_event_dev_queue_config(dev, dev_conf->nb_event_queues);
+ if (diag != 0) {
+ RTE_EDEV_LOG_ERR("dev%d rte_event_dev_queue_config = %d",
+ dev_id, diag);
+ return diag;
+ }
+
+ /* Setup new number of ports and reconfigure device. */
+ diag = rte_event_dev_port_config(dev, dev_conf->nb_event_ports);
+ if (diag != 0) {
+ rte_event_dev_queue_config(dev, 0);
+ RTE_EDEV_LOG_ERR("dev%d rte_event_dev_port_config = %d",
+ dev_id, diag);
+ return diag;
+ }
+
+ /* Configure the device */
+ diag = (*dev->dev_ops->dev_configure)(dev);
+ if (diag != 0) {
+ RTE_EDEV_LOG_ERR("dev%d dev_configure = %d", dev_id, diag);
+ rte_event_dev_queue_config(dev, 0);
+ rte_event_dev_port_config(dev, 0);
+ }
+
+ dev->data->event_dev_cap = info.event_dev_cap;
+ return diag;
+}
+
+static inline int
+is_valid_queue(struct rte_eventdev *dev, uint8_t queue_id)
+{
+ if (queue_id < dev->data->nb_queues && queue_id <
+ RTE_EVENT_MAX_QUEUES_PER_DEV)
+ return 1;
+ else
+ return 0;
+}
+
+int
+rte_event_queue_default_conf_get(uint8_t dev_id, uint8_t queue_id,
+ struct rte_event_queue_conf *queue_conf)
+{
+ struct rte_eventdev *dev;
+
+ RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL);
+ dev = &rte_eventdevs[dev_id];
+
+ if (queue_conf == NULL)
+ return -EINVAL;
+
+ if (!is_valid_queue(dev, queue_id)) {
+ RTE_EDEV_LOG_ERR("Invalid queue_id=%" PRIu8, queue_id);
+ return -EINVAL;
+ }
+
+ RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->queue_def_conf, -ENOTSUP);
+ memset(queue_conf, 0, sizeof(struct rte_event_queue_conf));
+ (*dev->dev_ops->queue_def_conf)(dev, queue_id, queue_conf);
+ return 0;
+}
+
+static inline int
+is_valid_atomic_queue_conf(const struct rte_event_queue_conf *queue_conf)
+{
+ if (queue_conf && (
+ ((queue_conf->event_queue_cfg &
+ RTE_EVENT_QUEUE_CFG_TYPE_MASK)
+ == RTE_EVENT_QUEUE_CFG_ALL_TYPES) ||
+ ((queue_conf->event_queue_cfg &
+ RTE_EVENT_QUEUE_CFG_TYPE_MASK)
+ == RTE_EVENT_QUEUE_CFG_ATOMIC_ONLY)
+ ))
+ return 1;
+ else
+ return 0;
+}
+
+static inline int
+is_valid_ordered_queue_conf(const struct rte_event_queue_conf *queue_conf)
+{
+ if (queue_conf && (
+ ((queue_conf->event_queue_cfg &
+ RTE_EVENT_QUEUE_CFG_TYPE_MASK)
+ == RTE_EVENT_QUEUE_CFG_ALL_TYPES) ||
+ ((queue_conf->event_queue_cfg &
+ RTE_EVENT_QUEUE_CFG_TYPE_MASK)
+ == RTE_EVENT_QUEUE_CFG_ORDERED_ONLY)
+ ))
+ return 1;
+ else
+ return 0;
+}
+
+
+int
+rte_event_queue_setup(uint8_t dev_id, uint8_t queue_id,
+ const struct rte_event_queue_conf *queue_conf)
+{
+ struct rte_eventdev *dev;
+ struct rte_event_queue_conf def_conf;
+
+ RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL);
+ dev = &rte_eventdevs[dev_id];
+
+ if (!is_valid_queue(dev, queue_id)) {
+ RTE_EDEV_LOG_ERR("Invalid queue_id=%" PRIu8, queue_id);
+ return -EINVAL;
+ }
+
+ /* Check nb_atomic_flows limit */
+ if (is_valid_atomic_queue_conf(queue_conf)) {
+ if (queue_conf->nb_atomic_flows == 0 ||
+ queue_conf->nb_atomic_flows >
+ dev->data->dev_conf.nb_event_queue_flows) {
+ RTE_EDEV_LOG_ERR(
+ "dev%d queue%d Invalid nb_atomic_flows=%d max_flows=%d",
+ dev_id, queue_id, queue_conf->nb_atomic_flows,
+ dev->data->dev_conf.nb_event_queue_flows);
+ return -EINVAL;
+ }
+ }
+
+ /* Check nb_atomic_order_sequences limit */
+ if (is_valid_ordered_queue_conf(queue_conf)) {
+ if (queue_conf->nb_atomic_order_sequences == 0 ||
+ queue_conf->nb_atomic_order_sequences >
+ dev->data->dev_conf.nb_event_queue_flows) {
+ RTE_EDEV_LOG_ERR(
+ "dev%d queue%d Invalid nb_atomic_order_seq=%d max_flows=%d",
+ dev_id, queue_id, queue_conf->nb_atomic_order_sequences,
+ dev->data->dev_conf.nb_event_queue_flows);
+ return -EINVAL;
+ }
+ }
+
+ if (dev->data->dev_started) {
+ RTE_EDEV_LOG_ERR(
+ "device %d must be stopped to allow queue setup", dev_id);
+ return -EBUSY;
+ }
+
+ RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->queue_setup, -ENOTSUP);
+
+ if (queue_conf == NULL) {
+ RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->queue_def_conf,
+ -ENOTSUP);
+ (*dev->dev_ops->queue_def_conf)(dev, queue_id, &def_conf);
+ def_conf.event_queue_cfg = RTE_EVENT_QUEUE_CFG_DEFAULT;
+ queue_conf = &def_conf;
+ }
+
+ dev->data->queues_prio[queue_id] = queue_conf->priority;
+ return (*dev->dev_ops->queue_setup)(dev, queue_id, queue_conf);
+}
+
+uint8_t
+rte_event_queue_count(uint8_t dev_id)
+{
+ struct rte_eventdev *dev;
+
+ dev = &rte_eventdevs[dev_id];
+ return dev->data->nb_queues;
+}
+
+uint8_t
+rte_event_queue_priority(uint8_t dev_id, uint8_t queue_id)
+{
+ struct rte_eventdev *dev;
+
+ dev = &rte_eventdevs[dev_id];
+ if (dev->data->event_dev_cap & RTE_EVENT_DEV_CAP_QUEUE_QOS)
+ return dev->data->queues_prio[queue_id];
+ else
+ return RTE_EVENT_DEV_PRIORITY_NORMAL;
+}
+
+static inline int
+is_valid_port(struct rte_eventdev *dev, uint8_t port_id)
+{
+ if (port_id < dev->data->nb_ports)
+ return 1;
+ else
+ return 0;
+}
+
+int
+rte_event_port_default_conf_get(uint8_t dev_id, uint8_t port_id,
+ struct rte_event_port_conf *port_conf)
+{
+ struct rte_eventdev *dev;
+
+ RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL);
+ dev = &rte_eventdevs[dev_id];
+
+ if (port_conf == NULL)
+ return -EINVAL;
+
+ if (!is_valid_port(dev, port_id)) {
+ RTE_EDEV_LOG_ERR("Invalid port_id=%" PRIu8, port_id);
+ return -EINVAL;
+ }
+
+ RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->port_def_conf, -ENOTSUP);
+ memset(port_conf, 0, sizeof(struct rte_event_port_conf));
+ (*dev->dev_ops->port_def_conf)(dev, port_id, port_conf);
+ return 0;
+}
+
+int
+rte_event_port_setup(uint8_t dev_id, uint8_t port_id,
+ const struct rte_event_port_conf *port_conf)
+{
+ struct rte_eventdev *dev;
+ struct rte_event_port_conf def_conf;
+ int diag;
+
+ RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL);
+ dev = &rte_eventdevs[dev_id];
+
+ if (!is_valid_port(dev, port_id)) {
+ RTE_EDEV_LOG_ERR("Invalid port_id=%" PRIu8, port_id);
+ return -EINVAL;
+ }
+
+ /* Check new_event_threshold limit */
+ if ((port_conf && !port_conf->new_event_threshold) ||
+ (port_conf && port_conf->new_event_threshold >
+ dev->data->dev_conf.nb_events_limit)) {
+ RTE_EDEV_LOG_ERR(
+ "dev%d port%d Invalid event_threshold=%d nb_events_limit=%d",
+ dev_id, port_id, port_conf->new_event_threshold,
+ dev->data->dev_conf.nb_events_limit);
+ return -EINVAL;
+ }
+
+ /* Check dequeue_depth limit */
+ if ((port_conf && !port_conf->dequeue_depth) ||
+ (port_conf && port_conf->dequeue_depth >
+ dev->data->dev_conf.nb_event_port_dequeue_depth)) {
+ RTE_EDEV_LOG_ERR(
+ "dev%d port%d Invalid dequeue depth=%d max_dequeue_depth=%d",
+ dev_id, port_id, port_conf->dequeue_depth,
+ dev->data->dev_conf.nb_event_port_dequeue_depth);
+ return -EINVAL;
+ }
+
+ /* Check enqueue_depth limit */
+ if ((port_conf && !port_conf->enqueue_depth) ||
+ (port_conf && port_conf->enqueue_depth >
+ dev->data->dev_conf.nb_event_port_enqueue_depth)) {
+ RTE_EDEV_LOG_ERR(
+ "dev%d port%d Invalid enqueue depth=%d max_enqueue_depth=%d",
+ dev_id, port_id, port_conf->enqueue_depth,
+ dev->data->dev_conf.nb_event_port_enqueue_depth);
+ return -EINVAL;
+ }
+
+ if (dev->data->dev_started) {
+ RTE_EDEV_LOG_ERR(
+ "device %d must be stopped to allow port setup", dev_id);
+ return -EBUSY;
+ }
+
+ RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->port_setup, -ENOTSUP);
+
+ if (port_conf == NULL) {
+ RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->port_def_conf,
+ -ENOTSUP);
+ (*dev->dev_ops->port_def_conf)(dev, port_id, &def_conf);
+ port_conf = &def_conf;
+ }
+
+ dev->data->ports_dequeue_depth[port_id] =
+ port_conf->dequeue_depth;
+ dev->data->ports_enqueue_depth[port_id] =
+ port_conf->enqueue_depth;
+
+ diag = (*dev->dev_ops->port_setup)(dev, port_id, port_conf);
+
+ /* Unlink all the queues from this port(default state after setup) */
+ if (!diag)
+ diag = rte_event_port_unlink(dev_id, port_id, NULL, 0);
+
+ if (diag < 0)
+ return diag;
+
+ return 0;
+}
+
+uint8_t
+rte_event_port_dequeue_depth(uint8_t dev_id, uint8_t port_id)
+{
+ struct rte_eventdev *dev;
+
+ dev = &rte_eventdevs[dev_id];
+ return dev->data->ports_dequeue_depth[port_id];
+}
+
+uint8_t
+rte_event_port_enqueue_depth(uint8_t dev_id, uint8_t port_id)
+{
+ struct rte_eventdev *dev;
+
+ dev = &rte_eventdevs[dev_id];
+ return dev->data->ports_enqueue_depth[port_id];
+}
+
+uint8_t
+rte_event_port_count(uint8_t dev_id)
+{
+ struct rte_eventdev *dev;
+
+ dev = &rte_eventdevs[dev_id];
+ return dev->data->nb_ports;
+}
+
+int
+rte_event_port_link(uint8_t dev_id, uint8_t port_id,
+ const uint8_t queues[], const uint8_t priorities[],
+ uint16_t nb_links)
+{
+ struct rte_eventdev *dev;
+ uint8_t queues_list[RTE_EVENT_MAX_QUEUES_PER_DEV];
+ uint8_t priorities_list[RTE_EVENT_MAX_QUEUES_PER_DEV];
+ uint16_t *links_map;
+ int i, diag;
+
+ RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL);
+ dev = &rte_eventdevs[dev_id];
+ RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->port_link, -ENOTSUP);
+
+ if (!is_valid_port(dev, port_id)) {
+ RTE_EDEV_LOG_ERR("Invalid port_id=%" PRIu8, port_id);
+ return -EINVAL;
+ }
+
+ if (queues == NULL) {
+ for (i = 0; i < dev->data->nb_queues; i++)
+ queues_list[i] = i;
+
+ queues = queues_list;
+ nb_links = dev->data->nb_queues;
+ }
+
+ if (priorities == NULL) {
+ for (i = 0; i < nb_links; i++)
+ priorities_list[i] = RTE_EVENT_DEV_PRIORITY_NORMAL;
+
+ priorities = priorities_list;
+ }
+
+ for (i = 0; i < nb_links; i++)
+ if (queues[i] >= RTE_EVENT_MAX_QUEUES_PER_DEV)
+ return -EINVAL;
+
+ diag = (*dev->dev_ops->port_link)(dev->data->ports[port_id], queues,
+ priorities, nb_links);
+ if (diag < 0)
+ return diag;
+
+ links_map = dev->data->links_map;
+ /* Point links_map to this port specific area */
+ links_map += (port_id * RTE_EVENT_MAX_QUEUES_PER_DEV);
+ for (i = 0; i < diag; i++)
+ links_map[queues[i]] = (uint8_t)priorities[i];
+
+ return diag;
+}
+
+#define EVENT_QUEUE_SERVICE_PRIORITY_INVALID (0xdead)
+
+int
+rte_event_port_unlink(uint8_t dev_id, uint8_t port_id,
+ uint8_t queues[], uint16_t nb_unlinks)
+{
+ struct rte_eventdev *dev;
+ uint8_t all_queues[RTE_EVENT_MAX_QUEUES_PER_DEV];
+ int i, diag;
+ uint16_t *links_map;
+
+ RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL);
+ dev = &rte_eventdevs[dev_id];
+ RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->port_unlink, -ENOTSUP);
+
+ if (!is_valid_port(dev, port_id)) {
+ RTE_EDEV_LOG_ERR("Invalid port_id=%" PRIu8, port_id);
+ return -EINVAL;
+ }
+
+ if (queues == NULL) {
+ for (i = 0; i < dev->data->nb_queues; i++)
+ all_queues[i] = i;
+ queues = all_queues;
+ nb_unlinks = dev->data->nb_queues;
+ }
+
+ for (i = 0; i < nb_unlinks; i++)
+ if (queues[i] >= RTE_EVENT_MAX_QUEUES_PER_DEV)
+ return -EINVAL;
+
+ diag = (*dev->dev_ops->port_unlink)(dev->data->ports[port_id], queues,
+ nb_unlinks);
+
+ if (diag < 0)
+ return diag;
+
+ links_map = dev->data->links_map;
+ /* Point links_map to this port specific area */
+ links_map += (port_id * RTE_EVENT_MAX_QUEUES_PER_DEV);
+ for (i = 0; i < diag; i++)
+ links_map[queues[i]] = EVENT_QUEUE_SERVICE_PRIORITY_INVALID;
+
+ return diag;
+}
+
+int
+rte_event_port_links_get(uint8_t dev_id, uint8_t port_id,
+ uint8_t queues[], uint8_t priorities[])
+{
+ struct rte_eventdev *dev;
+ uint16_t *links_map;
+ int i, count = 0;
+
+ RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL);
+ dev = &rte_eventdevs[dev_id];
+ if (!is_valid_port(dev, port_id)) {
+ RTE_EDEV_LOG_ERR("Invalid port_id=%" PRIu8, port_id);
+ return -EINVAL;
+ }
+
+ links_map = dev->data->links_map;
+ /* Point links_map to this port specific area */
+ links_map += (port_id * RTE_EVENT_MAX_QUEUES_PER_DEV);
+ for (i = 0; i < RTE_EVENT_MAX_QUEUES_PER_DEV; i++) {
+ if (links_map[i] != EVENT_QUEUE_SERVICE_PRIORITY_INVALID) {
+ queues[count] = i;
+ priorities[count] = (uint8_t)links_map[i];
+ ++count;
+ }
+ }
+ return count;
+}
+
+int
+rte_event_dequeue_timeout_ticks(uint8_t dev_id, uint64_t ns,
+ uint64_t *timeout_ticks)
+{
+ struct rte_eventdev *dev;
+
+ RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL);
+ dev = &rte_eventdevs[dev_id];
+ RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timeout_ticks, -ENOTSUP);
+
+ if (timeout_ticks == NULL)
+ return -EINVAL;
+
+ (*dev->dev_ops->timeout_ticks)(dev, ns, timeout_ticks);
+ return 0;
+}
+
+int
+rte_event_dev_dump(uint8_t dev_id, FILE *f)
+{
+ struct rte_eventdev *dev;
+
+ RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL);
+ dev = &rte_eventdevs[dev_id];
+ RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dump, -ENOTSUP);
+
+ (*dev->dev_ops->dump)(dev, f);
+ return 0;
+
+}
+
+int
+rte_event_dev_start(uint8_t dev_id)
+{
+ struct rte_eventdev *dev;
+ int diag;
+
+ RTE_EDEV_LOG_DEBUG("Start dev_id=%" PRIu8, dev_id);
+
+ RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL);
+ dev = &rte_eventdevs[dev_id];
+ RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_start, -ENOTSUP);
+
+ if (dev->data->dev_started != 0) {
+ RTE_EDEV_LOG_ERR("Device with dev_id=%" PRIu8 "already started",
+ dev_id);
+ return 0;
+ }
+
+ diag = (*dev->dev_ops->dev_start)(dev);
+ if (diag == 0)
+ dev->data->dev_started = 1;
+ else
+ return diag;
+
+ return 0;
+}
+
+void
+rte_event_dev_stop(uint8_t dev_id)
+{
+ struct rte_eventdev *dev;
+
+ RTE_EDEV_LOG_DEBUG("Stop dev_id=%" PRIu8, dev_id);
+
+ RTE_EVENTDEV_VALID_DEVID_OR_RET(dev_id);
+ dev = &rte_eventdevs[dev_id];
+ RTE_FUNC_PTR_OR_RET(*dev->dev_ops->dev_stop);
+
+ if (dev->data->dev_started == 0) {
+ RTE_EDEV_LOG_ERR("Device with dev_id=%" PRIu8 "already stopped",
+ dev_id);
+ return;
+ }
+
+ dev->data->dev_started = 0;
+ (*dev->dev_ops->dev_stop)(dev);
+}
+
+int
+rte_event_dev_close(uint8_t dev_id)
+{
+ struct rte_eventdev *dev;
+
+ RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL);
+ dev = &rte_eventdevs[dev_id];
+ RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_close, -ENOTSUP);
+
+ /* Device must be stopped before it can be closed */
+ if (dev->data->dev_started == 1) {
+ RTE_EDEV_LOG_ERR("Device %u must be stopped before closing",
+ dev_id);
+ return -EBUSY;
+ }
+
+ return (*dev->dev_ops->dev_close)(dev);
+}
git.droids-corp.org / dpdk.git / commitdiff