eventdev: add implicit release disable capability
[dpdk.git] / lib / librte_eventdev / rte_eventdev.c
index 7456213..08a8fa6 100644 (file)
@@ -1,33 +1,5 @@
-/*
- *   BSD LICENSE
- *
- *   Copyright(c) 2016 Cavium, Inc. 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, Inc 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.
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2016 Cavium, Inc
  */
 
 #include <ctype.h>
@@ -56,6 +28,7 @@
 #include <rte_common.h>
 #include <rte_malloc.h>
 #include <rte_errno.h>
+#include <rte_ethdev.h>
 
 #include "rte_eventdev.h"
 #include "rte_eventdev_pmd.h"
@@ -128,55 +101,77 @@ rte_event_dev_info_get(uint8_t dev_id, struct rte_event_dev_info *dev_info)
        return 0;
 }
 
+int
+rte_event_eth_rx_adapter_caps_get(uint8_t dev_id, uint8_t eth_port_id,
+                               uint32_t *caps)
+{
+       struct rte_eventdev *dev;
+
+       RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL);
+       RTE_ETH_VALID_PORTID_OR_ERR_RET(eth_port_id, -EINVAL);
+
+       dev = &rte_eventdevs[dev_id];
+
+       if (caps == NULL)
+               return -EINVAL;
+       *caps = 0;
+
+       return dev->dev_ops->eth_rx_adapter_caps_get ?
+                               (*dev->dev_ops->eth_rx_adapter_caps_get)(dev,
+                                               &rte_eth_devices[eth_port_id],
+                                               caps)
+                               : 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;
+       struct rte_event_queue_conf *queues_cfg;
        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,
+       if (dev->data->queues_cfg == NULL && nb_queues != 0) {
+               /* Allocate memory to store queue configuration */
+               dev->data->queues_cfg = rte_zmalloc_socket(
+                               "eventdev->data->queues_cfg",
+                               sizeof(dev->data->queues_cfg[0]) * nb_queues,
                                RTE_CACHE_LINE_SIZE, dev->data->socket_id);
-               if (dev->data->queues_prio == NULL) {
+               if (dev->data->queues_cfg == NULL) {
                        dev->data->nb_queues = 0;
-                       RTE_EDEV_LOG_ERR("failed to get mem for queue priority,"
+                       RTE_EDEV_LOG_ERR("failed to get mem for queue cfg,"
                                        "nb_queues %u", nb_queues);
                        return -(ENOMEM);
                }
        /* Re-configure */
-       } else if (dev->data->queues_prio != NULL && nb_queues != 0) {
+       } else if (dev->data->queues_cfg != 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,
+               /* Re allocate memory to store queue configuration */
+               queues_cfg = dev->data->queues_cfg;
+               queues_cfg = rte_realloc(queues_cfg,
+                               sizeof(queues_cfg[0]) * nb_queues,
                                RTE_CACHE_LINE_SIZE);
-               if (queues_prio == NULL) {
-                       RTE_EDEV_LOG_ERR("failed to realloc queue priority,"
+               if (queues_cfg == NULL) {
+                       RTE_EDEV_LOG_ERR("failed to realloc queue cfg memory,"
                                                " nb_queues %u", nb_queues);
                        return -(ENOMEM);
                }
-               dev->data->queues_prio = queues_prio;
+               dev->data->queues_cfg = queues_cfg;
 
                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);
+                       memset(queues_cfg + old_nb_queues, 0,
+                               sizeof(queues_cfg[0]) * new_qs);
                }
-       } else if (dev->data->queues_prio != NULL && nb_queues == 0) {
+       } else if (dev->data->queues_cfg != 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++)
@@ -195,8 +190,7 @@ 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;
+       struct rte_event_port_conf *ports_cfg;
        unsigned int i;
 
        RTE_EDEV_LOG_DEBUG("Setup %d ports on device %u", nb_ports,
@@ -214,26 +208,14 @@ rte_event_dev_port_config(struct rte_eventdev *dev, uint8_t 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,
+               /* Allocate memory to store port configurations */
+               dev->data->ports_cfg =
+                       rte_zmalloc_socket("eventdev->ports_cfg",
+                       sizeof(dev->data->ports_cfg[0]) * nb_ports,
                        RTE_CACHE_LINE_SIZE, dev->data->socket_id);
-               if (dev->data->ports_dequeue_depth == NULL) {
+               if (dev->data->ports_cfg == 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,"
+                       RTE_EDEV_LOG_ERR("failed to get mem for port cfg,"
                                        "nb_ports %u", nb_ports);
                        return -(ENOMEM);
                }
@@ -257,8 +239,7 @@ rte_event_dev_port_config(struct rte_eventdev *dev, uint8_t nb_ports)
                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;
+               ports_cfg = dev->data->ports_cfg;
                links_map = dev->data->links_map;
 
                for (i = nb_ports; i < old_nb_ports; i++)
@@ -273,22 +254,12 @@ rte_event_dev_port_config(struct rte_eventdev *dev, uint8_t 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,
+               /* Realloc memory for ports_cfg */
+               ports_cfg = rte_realloc(ports_cfg,
+                       sizeof(ports_cfg[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,"
+               if (ports_cfg == NULL) {
+                       RTE_EDEV_LOG_ERR("failed to realloc port cfg mem,"
                                                " nb_ports %u", nb_ports);
                        return -(ENOMEM);
                }
@@ -314,18 +285,15 @@ rte_event_dev_port_config(struct rte_eventdev *dev, uint8_t 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(ports_cfg + old_nb_ports, 0,
+                               sizeof(ports_cfg[0]) * new_ps);
                        for (i = old_links_map_end; i < links_map_end; i++)
                                links_map[i] =
                                        EVENT_QUEUE_SERVICE_PRIORITY_INVALID;
                }
 
                dev->data->ports = ports;
-               dev->data->ports_dequeue_depth = ports_dequeue_depth;
-               dev->data->ports_enqueue_depth = ports_enqueue_depth;
+               dev->data->ports_cfg = ports_cfg;
                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);
@@ -521,13 +489,11 @@ 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_SINGLE_LINK) && (
-               ((queue_conf->event_queue_cfg &
-                       RTE_EVENT_QUEUE_CFG_TYPE_MASK)
-                       == RTE_EVENT_QUEUE_CFG_ALL_TYPES) ||
+                 RTE_EVENT_QUEUE_CFG_SINGLE_LINK) &&
                ((queue_conf->event_queue_cfg &
-                       RTE_EVENT_QUEUE_CFG_TYPE_MASK)
-                       == RTE_EVENT_QUEUE_CFG_ATOMIC_ONLY)
+                        RTE_EVENT_QUEUE_CFG_ALL_TYPES) ||
+               (queue_conf->schedule_type
+                       == RTE_SCHED_TYPE_ATOMIC)
                ))
                return 1;
        else
@@ -539,13 +505,11 @@ 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_SINGLE_LINK) && (
+                 RTE_EVENT_QUEUE_CFG_SINGLE_LINK) &&
                ((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)
+                        RTE_EVENT_QUEUE_CFG_ALL_TYPES) ||
+               (queue_conf->schedule_type
+                       == RTE_SCHED_TYPE_ORDERED)
                ))
                return 1;
        else
@@ -609,22 +573,10 @@ rte_event_queue_setup(uint8_t dev_id, uint8_t queue_id,
                queue_conf = &def_conf;
        }
 
-       dev->data->queues_prio[queue_id] = queue_conf->priority;
+       dev->data->queues_cfg[queue_id] = *queue_conf;
        return (*dev->dev_ops->queue_setup)(dev, queue_id, queue_conf);
 }
 
-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)
 {
@@ -706,6 +658,15 @@ rte_event_port_setup(uint8_t dev_id, uint8_t port_id,
                return -EINVAL;
        }
 
+       if (port_conf && port_conf->disable_implicit_release &&
+           !(dev->data->event_dev_cap &
+             RTE_EVENT_DEV_CAP_IMPLICIT_RELEASE_DISABLE)) {
+               RTE_EDEV_LOG_ERR(
+                  "dev%d port%d Implicit release disable not supported",
+                       dev_id, port_id);
+               return -EINVAL;
+       }
+
        if (dev->data->dev_started) {
                RTE_EDEV_LOG_ERR(
                    "device %d must be stopped to allow port setup", dev_id);
@@ -721,10 +682,7 @@ rte_event_port_setup(uint8_t dev_id, uint8_t port_id,
                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;
+       dev->data->ports_cfg[port_id] = *port_conf;
 
        diag = (*dev->dev_ops->port_setup)(dev, port_id, port_conf);
 
@@ -756,6 +714,9 @@ rte_event_dev_attr_get(uint8_t dev_id, uint32_t attr_id,
        case RTE_EVENT_DEV_ATTR_QUEUE_COUNT:
                *attr_value = dev->data->nb_queues;
                break;
+       case RTE_EVENT_DEV_ATTR_STARTED:
+               *attr_value = dev->data->dev_started;
+               break;
        default:
                return -EINVAL;
        }
@@ -781,10 +742,59 @@ rte_event_port_attr_get(uint8_t dev_id, uint8_t port_id, uint32_t attr_id,
 
        switch (attr_id) {
        case RTE_EVENT_PORT_ATTR_ENQ_DEPTH:
-               *attr_value = dev->data->ports_enqueue_depth[port_id];
+               *attr_value = dev->data->ports_cfg[port_id].enqueue_depth;
                break;
        case RTE_EVENT_PORT_ATTR_DEQ_DEPTH:
-               *attr_value = dev->data->ports_dequeue_depth[port_id];
+               *attr_value = dev->data->ports_cfg[port_id].dequeue_depth;
+               break;
+       case RTE_EVENT_PORT_ATTR_NEW_EVENT_THRESHOLD:
+               *attr_value = dev->data->ports_cfg[port_id].new_event_threshold;
+               break;
+       default:
+               return -EINVAL;
+       };
+       return 0;
+}
+
+int
+rte_event_queue_attr_get(uint8_t dev_id, uint8_t queue_id, uint32_t attr_id,
+                       uint32_t *attr_value)
+{
+       struct rte_event_queue_conf *conf;
+       struct rte_eventdev *dev;
+
+       if (!attr_value)
+               return -EINVAL;
+
+       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;
+       }
+
+       conf = &dev->data->queues_cfg[queue_id];
+
+       switch (attr_id) {
+       case RTE_EVENT_QUEUE_ATTR_PRIORITY:
+               *attr_value = RTE_EVENT_DEV_PRIORITY_NORMAL;
+               if (dev->data->event_dev_cap & RTE_EVENT_DEV_CAP_QUEUE_QOS)
+                       *attr_value = conf->priority;
+               break;
+       case RTE_EVENT_QUEUE_ATTR_NB_ATOMIC_FLOWS:
+               *attr_value = conf->nb_atomic_flows;
+               break;
+       case RTE_EVENT_QUEUE_ATTR_NB_ATOMIC_ORDER_SEQUENCES:
+               *attr_value = conf->nb_atomic_order_sequences;
+               break;
+       case RTE_EVENT_QUEUE_ATTR_EVENT_QUEUE_CFG:
+               *attr_value = conf->event_queue_cfg;
+               break;
+       case RTE_EVENT_QUEUE_ATTR_SCHEDULE_TYPE:
+               if (conf->event_queue_cfg & RTE_EVENT_QUEUE_CFG_ALL_TYPES)
+                       return -EOVERFLOW;
+
+               *attr_value = conf->schedule_type;
                break;
        default:
                return -EINVAL;
@@ -803,13 +813,19 @@ rte_event_port_link(uint8_t dev_id, uint8_t port_id,
        uint16_t *links_map;
        int i, diag;
 
-       RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL);
+       RTE_EVENTDEV_VALID_DEVID_OR_ERRNO_RET(dev_id, -EINVAL, 0);
        dev = &rte_eventdevs[dev_id];
-       RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->port_link, -ENOTSUP);
+
+       if (*dev->dev_ops->port_link == NULL) {
+               RTE_PMD_DEBUG_TRACE("Function not supported\n");
+               rte_errno = -ENOTSUP;
+               return 0;
+       }
 
        if (!is_valid_port(dev, port_id)) {
                RTE_EDEV_LOG_ERR("Invalid port_id=%" PRIu8, port_id);
-               return -EINVAL;
+               rte_errno = -EINVAL;
+               return 0;
        }
 
        if (queues == NULL) {
@@ -828,8 +844,10 @@ rte_event_port_link(uint8_t dev_id, uint8_t port_id,
        }
 
        for (i = 0; i < nb_links; i++)
-               if (queues[i] >= dev->data->nb_queues)
-                       return -EINVAL;
+               if (queues[i] >= dev->data->nb_queues) {
+                       rte_errno = -EINVAL;
+                       return 0;
+               }
 
        diag = (*dev->dev_ops->port_link)(dev, dev->data->ports[port_id],
                                                queues, priorities, nb_links);
@@ -854,13 +872,19 @@ rte_event_port_unlink(uint8_t dev_id, uint8_t port_id,
        int i, diag;
        uint16_t *links_map;
 
-       RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL);
+       RTE_EVENTDEV_VALID_DEVID_OR_ERRNO_RET(dev_id, -EINVAL, 0);
        dev = &rte_eventdevs[dev_id];
-       RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->port_unlink, -ENOTSUP);
+
+       if (*dev->dev_ops->port_unlink == NULL) {
+               RTE_PMD_DEBUG_TRACE("Function not supported\n");
+               rte_errno = -ENOTSUP;
+               return 0;
+       }
 
        if (!is_valid_port(dev, port_id)) {
                RTE_EDEV_LOG_ERR("Invalid port_id=%" PRIu8, port_id);
-               return -EINVAL;
+               rte_errno = -EINVAL;
+               return 0;
        }
 
        if (queues == NULL) {
@@ -871,8 +895,10 @@ rte_event_port_unlink(uint8_t dev_id, uint8_t port_id,
        }
 
        for (i = 0; i < nb_unlinks; i++)
-               if (queues[i] >= dev->data->nb_queues)
-                       return -EINVAL;
+               if (queues[i] >= dev->data->nb_queues) {
+                       rte_errno = -EINVAL;
+                       return 0;
+               }
 
        diag = (*dev->dev_ops->port_unlink)(dev, dev->data->ports[port_id],
                                        queues, nb_unlinks);
@@ -933,6 +959,23 @@ rte_event_dequeue_timeout_ticks(uint8_t dev_id, uint64_t ns,
        return (*dev->dev_ops->timeout_ticks)(dev, ns, timeout_ticks);
 }
 
+int
+rte_event_dev_service_id_get(uint8_t dev_id, uint32_t *service_id)
+{
+       struct rte_eventdev *dev;
+
+       RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL);
+       dev = &rte_eventdevs[dev_id];
+
+       if (service_id == NULL)
+               return -EINVAL;
+
+       if (dev->data->service_inited)
+               *service_id = dev->data->service_id;
+
+       return dev->data->service_inited ? 0 : -ESRCH;
+}
+
 int
 rte_event_dev_dump(uint8_t dev_id, FILE *f)
 {