This patch set defines the southbound driver interface
and implements the common code required for northbound
eventdev API interface.
Signed-off-by: Jerin Jacob <jerin.jacob at caviumnetworks.com>
---
config/common_base | 6 +
lib/Makefile | 1 +
lib/librte_eal/common/include/rte_log.h | 1 +
lib/librte_eventdev/Makefile | 57 ++
lib/librte_eventdev/rte_eventdev.c | 1211 ++++++++++++++++++++++++++
lib/librte_eventdev/rte_eventdev_pmd.h | 504 +++++++++++
lib/librte_eventdev/rte_eventdev_version.map | 39 +
mk/rte.app.mk | 1 +
8 files changed, 1820 insertions(+)
create mode 100644 lib/librte_eventdev/Makefile
create mode 100644 lib/librte_eventdev/rte_eventdev.c
create mode 100644 lib/librte_eventdev/rte_eventdev_pmd.h
create mode 100644 lib/librte_eventdev/rte_eventdev_version.map
diff --git a/config/common_base b/config/common_base
index 4bff83a..7a8814e 100644
--- a/config/common_base
+++ b/config/common_base
@@ -411,6 +411,12 @@ CONFIG_RTE_LIBRTE_PMD_ZUC_DEBUG=n
CONFIG_RTE_LIBRTE_PMD_NULL_CRYPTO=y
#
+# Compile generic event device library
+#
+CONFIG_RTE_LIBRTE_EVENTDEV=y
+CONFIG_RTE_LIBRTE_EVENTDEV_DEBUG=n
+CONFIG_RTE_EVENT_MAX_DEVS=16
+CONFIG_RTE_EVENT_MAX_QUEUES_PER_DEV=64
# Compile librte_ring
#
CONFIG_RTE_LIBRTE_RING=y
diff --git a/lib/Makefile b/lib/Makefile
index 990f23a..1a067bf 100644
--- a/lib/Makefile
+++ b/lib/Makefile
@@ -41,6 +41,7 @@ DIRS-$(CONFIG_RTE_LIBRTE_CFGFILE) += librte_cfgfile
DIRS-$(CONFIG_RTE_LIBRTE_CMDLINE) += librte_cmdline
DIRS-$(CONFIG_RTE_LIBRTE_ETHER) += librte_ether
DIRS-$(CONFIG_RTE_LIBRTE_CRYPTODEV) += librte_cryptodev
+DIRS-$(CONFIG_RTE_LIBRTE_EVENTDEV) += librte_eventdev
DIRS-$(CONFIG_RTE_LIBRTE_VHOST) += librte_vhost
DIRS-$(CONFIG_RTE_LIBRTE_HASH) += librte_hash
DIRS-$(CONFIG_RTE_LIBRTE_LPM) += librte_lpm
diff --git a/lib/librte_eal/common/include/rte_log.h
b/lib/librte_eal/common/include/rte_log.h
index 29f7d19..9a07d92 100644
--- a/lib/librte_eal/common/include/rte_log.h
+++ b/lib/librte_eal/common/include/rte_log.h
@@ -79,6 +79,7 @@ extern struct rte_logs rte_logs;
#define RTE_LOGTYPE_PIPELINE 0x00008000 /**< Log related to pipeline. */
#define RTE_LOGTYPE_MBUF 0x00010000 /**< Log related to mbuf. */
#define RTE_LOGTYPE_CRYPTODEV 0x00020000 /**< Log related to cryptodev. */
+#define RTE_LOGTYPE_EVENTDEV 0x00040000 /**< Log related to eventdev. */
/* these log types can be used in an application */
#define RTE_LOGTYPE_USER1 0x01000000 /**< User-defined log type 1. */
diff --git a/lib/librte_eventdev/Makefile b/lib/librte_eventdev/Makefile
new file mode 100644
index 0000000..dac0663
--- /dev/null
+++ b/lib/librte_eventdev/Makefile
@@ -0,0 +1,57 @@
+# 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 $(RTE_SDK)/mk/rte.vars.mk
+
+# library name
+LIB = librte_eventdev.a
+
+# library version
+LIBABIVER := 1
+
+# build flags
+CFLAGS += -O3
+CFLAGS += $(WERROR_FLAGS)
+
+# library source files
+SRCS-y += rte_eventdev.c
+
+# export include files
+SYMLINK-y-include += rte_eventdev.h
+SYMLINK-y-include += rte_eventdev_pmd.h
+
+# versioning export map
+EXPORT_MAP := rte_eventdev_version.map
+
+# library dependencies
+DEPDIRS-y += lib/librte_eal
+DEPDIRS-y += lib/librte_mbuf
+
+include $(RTE_SDK)/mk/rte.lib.mk
diff --git a/lib/librte_eventdev/rte_eventdev.c
b/lib/librte_eventdev/rte_eventdev.c
new file mode 100644
index 0000000..17ce5c3
--- /dev/null
+++ b/lib/librte_eventdev/rte_eventdev.c
@@ -0,0 +1,1211 @@
+/*
+ * 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->pci_dev = dev->pci_dev;
+ if (dev->driver)
+ dev_info->driver_name = dev->driver->pci_drv.driver.name;
+ 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;
+ void **queues;
+ uint8_t *queues_prio;
+ unsigned int i;
+
+ EDEV_LOG_DEBUG("Setup %d queues on device %u", nb_queues,
+ dev->data->dev_id);
+
+ /* First time configuration */
+ if (dev->data->queues == NULL && nb_queues != 0) {
+ dev->data->queues = rte_zmalloc_socket("eventdev->data->queues",
+ sizeof(dev->data->queues[0]) * nb_queues,
+ RTE_CACHE_LINE_SIZE, dev->data->socket_id);
+ if (dev->data->queues == NULL) {
+ dev->data->nb_queues = 0;
+ EDEV_LOG_ERR("failed to get memory for queue meta data,"
+ "nb_queues %u", nb_queues);
+ return -(ENOMEM);
+ }
+ /* 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;
+ EDEV_LOG_ERR("failed to get memory for queue priority,"
+ "nb_queues %u", nb_queues);
+ return -(ENOMEM);
+ }
+
+ } else if (dev->data->queues != NULL && nb_queues != 0) {/* re-config */
+ RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->queue_release, -ENOTSUP);
+
+ queues = dev->data->queues;
+ for (i = nb_queues; i < old_nb_queues; i++)
+ (*dev->dev_ops->queue_release)(queues[i]);
+
+ queues = rte_realloc(queues, sizeof(queues[0]) * nb_queues,
+ RTE_CACHE_LINE_SIZE);
+ if (queues == NULL) {
+ EDEV_LOG_ERR("failed to realloc queue meta data,"
+ " nb_queues %u", nb_queues);
+ return -(ENOMEM);
+ }
+ dev->data->queues = queues;
+
+ /* 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) {
+ 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 + old_nb_queues, 0,
+ sizeof(queues[0]) * new_qs);
+ memset(queues_prio + old_nb_queues, 0,
+ sizeof(queues_prio[0]) * new_qs);
+ }
+ } else if (dev->data->queues != NULL && nb_queues == 0) {
+ RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->queue_release, -ENOTSUP);
+
+ queues = dev->data->queues;
+ for (i = nb_queues; i < old_nb_queues; i++)
+ (*dev->dev_ops->queue_release)(queues[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;
+
+ 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;
+ EDEV_LOG_ERR("failed to get memory 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;
+ EDEV_LOG_ERR("failed to get memory 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;
+ EDEV_LOG_ERR("failed to get memory 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;
+ EDEV_LOG_ERR("failed to get memory 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) {
+ 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) {
+ EDEV_LOG_ERR("failed to realloc port deqeue meta data,"
+ " 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) {
+ EDEV_LOG_ERR("failed to realloc port enqueue meta data,"
+ " 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;
+ EDEV_LOG_ERR("failed to realloc mem for port_map area,"
+ "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, 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) {
+ 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_wait_ns value is in limit */
+ if (!dev_conf->event_dev_cfg & RTE_EVENT_DEV_CFG_PER_DEQUEUE_WAIT) {
+ if (dev_conf->dequeue_wait_ns < info.min_dequeue_wait_ns ||
+ dev_conf->dequeue_wait_ns > info.max_dequeue_wait_ns) {
+ EDEV_LOG_ERR("dev%d invalid dequeue_wait_ns=%d"
+ " min_dequeue_wait_ns=%d max_dequeue_wait_ns=%d",
+ dev_id, dev_conf->dequeue_wait_ns,
+ info.min_dequeue_wait_ns,
+ info.max_dequeue_wait_ns);
+ return -EINVAL;
+ }
+ }
+
+ /* Check nb_events_limit is in limit */
+ if (dev_conf->nb_events_limit > info.max_num_events) {
+ 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) {
+ 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) {
+ EDEV_LOG_ERR("dev%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) {
+ 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) {
+ EDEV_LOG_ERR("dev%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) {
+ 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) {
+ 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) {
+ 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) {
+ EDEV_LOG_ERR("dev%d nb_dequeue_depth=%d > max_dequeue_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) {
+ 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) {
+ EDEV_LOG_ERR("dev%d nb_enqueue_depth=%d > max_enqueue_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) {
+ 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);
+ 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) {
+ 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)) {
+ 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(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;
+}
+
+int
+rte_event_queue_setup(uint8_t dev_id, uint8_t queue_id,
+ 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)) {
+ 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) {
+ 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_atomic_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) {
+ 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) {
+ 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_QUEUE_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)) {
+ 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,
+ 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)) {
+ 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)) {
+ 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)) {
+ 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)) {
+ 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) {
+ 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,
+ struct rte_event_queue_link link[], uint16_t nb_links)
+{
+ struct rte_eventdev *dev;
+ struct rte_event_queue_link all_queues[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)) {
+ EDEV_LOG_ERR("Invalid port_id=%" PRIu8, port_id);
+ return -EINVAL;
+ }
+
+ if (link == NULL) {
+ for (i = 0; i < dev->data->nb_queues; i++) {
+ all_queues[i].queue_id = i;
+ all_queues[i].priority =
+ RTE_EVENT_QUEUE_SERVICE_PRIORITY_NORMAL;
+ }
+ link = all_queues;
+ nb_links = dev->data->nb_queues;
+ }
+
+ for (i = 0; i < nb_links; i++)
+ if (link[i].queue_id >= RTE_EVENT_MAX_QUEUES_PER_DEV)
+ return -EINVAL;
+
+ diag = (*dev->dev_ops->port_link)(dev->data->ports[port_id], link,
+ 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[link[i].queue_id] = (uint8_t)link[i].priority;
+
+ 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)) {
+ 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,
+ struct rte_event_queue_link link[])
+{
+ 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)) {
+ 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) {
+ link[count].queue_id = i;
+ link[count].priority = (uint8_t)links_map[i];
+ ++count;
+ }
+ }
+ return count;
+}
+
+int
+rte_event_dequeue_wait_time(uint8_t dev_id, uint64_t ns, uint64_t *wait_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->wait_time, -ENOTSUP);
+
+ if (wait_ticks == NULL)
+ return -EINVAL;
+
+ (*dev->dev_ops->wait_time)(dev, ns, wait_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;
+
+ 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) {
+ 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;
+
+ 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) {
+ 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) {
+ EDEV_LOG_ERR("Device %u must be stopped before closing",
+ dev_id);
+ return -EBUSY;
+ }
+
+ return (*dev->dev_ops->dev_close)(dev);
+}
+
+static inline int
+rte_eventdev_data_alloc(uint8_t dev_id, struct rte_eventdev_data **data,
+ int socket_id)
+{
+ char mz_name[RTE_EVENTDEV_NAME_MAX_LEN];
+ const struct rte_memzone *mz;
+ int n;
+
+ /* Generate memzone name */
+ n = snprintf(mz_name, sizeof(mz_name), "rte_eventdev_data_%u", dev_id);
+ if (n >= (int)sizeof(mz_name))
+ return -EINVAL;
+
+ if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
+ mz = rte_memzone_reserve(mz_name,
+ sizeof(struct rte_eventdev_data),
+ socket_id, 0);
+ } else
+ mz = rte_memzone_lookup(mz_name);
+
+ if (mz == NULL)
+ return -ENOMEM;
+
+ *data = mz->addr;
+ if (rte_eal_process_type() == RTE_PROC_PRIMARY)
+ memset(*data, 0, sizeof(struct rte_eventdev_data));
+
+ return 0;
+}
+
+static uint8_t
+rte_eventdev_find_free_device_index(void)
+{
+ uint8_t dev_id;
+
+ for (dev_id = 0; dev_id < RTE_EVENT_MAX_DEVS; dev_id++) {
+ if (rte_eventdevs[dev_id].attached ==
+ RTE_EVENTDEV_DETACHED)
+ return dev_id;
+ }
+ return RTE_EVENT_MAX_DEVS;
+}
+
+struct rte_eventdev *
+rte_eventdev_pmd_allocate(const char *name, int socket_id)
+{
+ struct rte_eventdev *eventdev;
+ uint8_t dev_id;
+
+ if (rte_eventdev_pmd_get_named_dev(name) != NULL) {
+ EDEV_LOG_ERR("Event device with name %s already "
+ "allocated!", name);
+ return NULL;
+ }
+
+ dev_id = rte_eventdev_find_free_device_index();
+ if (dev_id == RTE_EVENT_MAX_DEVS) {
+ EDEV_LOG_ERR("Reached maximum number of event devices");
+ return NULL;
+ }
+
+ eventdev = &rte_eventdevs[dev_id];
+
+ if (eventdev->data == NULL) {
+ struct rte_eventdev_data *eventdev_data = NULL;
+
+ int retval = rte_eventdev_data_alloc(dev_id, &eventdev_data,
+ socket_id);
+
+ if (retval < 0 || eventdev_data == NULL)
+ return NULL;
+
+ eventdev->data = eventdev_data;
+
+ snprintf(eventdev->data->name, RTE_EVENTDEV_NAME_MAX_LEN,
+ "%s", name);
+
+ eventdev->data->dev_id = dev_id;
+ eventdev->data->socket_id = socket_id;
+ eventdev->data->dev_started = 0;
+
+ eventdev->attached = RTE_EVENTDEV_ATTACHED;
+
+ eventdev_globals.nb_devs++;
+ }
+
+ return eventdev;
+}
+
+int
+rte_eventdev_pmd_release(struct rte_eventdev *eventdev)
+{
+ int ret;
+
+ if (eventdev == NULL)
+ return -EINVAL;
+
+ ret = rte_event_dev_close(eventdev->data->dev_id);
+ if (ret < 0)
+ return ret;
+
+ eventdev->attached = RTE_EVENTDEV_DETACHED;
+ eventdev_globals.nb_devs--;
+ eventdev->data = NULL;
+
+ return 0;
+}
+
+struct rte_eventdev *
+rte_eventdev_pmd_vdev_init(const char *name, size_t dev_private_size,
+ int socket_id)
+{
+ struct rte_eventdev *eventdev;
+
+ /* Allocate device structure */
+ eventdev = rte_eventdev_pmd_allocate(name, socket_id);
+ if (eventdev == NULL)
+ return NULL;
+
+ /* Allocate private device structure */
+ if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
+ eventdev->data->dev_private =
+ rte_zmalloc_socket("eventdev device private",
+ dev_private_size,
+ RTE_CACHE_LINE_SIZE,
+ socket_id);
+
+ if (eventdev->data->dev_private == NULL)
+ rte_panic("Cannot allocate memzone for private device"
+ " data");
+ }
+
+ return eventdev;
+}
+
+int
+rte_eventdev_pmd_pci_probe(struct rte_pci_driver *pci_drv,
+ struct rte_pci_device *pci_dev)
+{
+ struct rte_eventdev_driver *eventdrv;
+ struct rte_eventdev *eventdev;
+
+ char eventdev_name[RTE_EVENTDEV_NAME_MAX_LEN];
+
+ int retval;
+
+ eventdrv = (struct rte_eventdev_driver *)pci_drv;
+ if (eventdrv == NULL)
+ return -ENODEV;
+
+ rte_eal_pci_device_name(&pci_dev->addr, eventdev_name,
+ sizeof(eventdev_name));
+
+ eventdev = rte_eventdev_pmd_allocate(eventdev_name,
+ pci_dev->device.numa_node);
+ if (eventdev == NULL)
+ return -ENOMEM;
+
+ if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
+ eventdev->data->dev_private =
+ rte_zmalloc_socket(
+ "eventdev private structure",
+ eventdrv->dev_private_size,
+ RTE_CACHE_LINE_SIZE,
+ rte_socket_id());
+
+ if (eventdev->data->dev_private == NULL)
+ rte_panic("Cannot allocate memzone for private "
+ "device data");
+ }
+
+ eventdev->pci_dev = pci_dev;
+ eventdev->driver = eventdrv;
+
+ /* Invoke PMD device initialization function */
+ retval = (*eventdrv->eventdev_init)(eventdev);
+ if (retval == 0)
+ return 0;
+
+ EDEV_LOG_ERR("driver %s: event_dev_init(vendor_id=0x%x device_id=0x%x)"
+ " failed", pci_drv->driver.name,
+ (unsigned int) pci_dev->id.vendor_id,
+ (unsigned int) pci_dev->id.device_id);
+
+ if (rte_eal_process_type() == RTE_PROC_PRIMARY)
+ rte_free(eventdev->data->dev_private);
+
+ eventdev->attached = RTE_EVENTDEV_DETACHED;
+ eventdev_globals.nb_devs--;
+
+ return -ENXIO;
+}
+
+int
+rte_eventdev_pmd_pci_remove(struct rte_pci_device *pci_dev)
+{
+ const struct rte_eventdev_driver *eventdrv;
+ struct rte_eventdev *eventdev;
+ char eventdev_name[RTE_EVENTDEV_NAME_MAX_LEN];
+ int ret;
+
+ if (pci_dev == NULL)
+ return -EINVAL;
+
+ rte_eal_pci_device_name(&pci_dev->addr, eventdev_name,
+ sizeof(eventdev_name));
+
+ eventdev = rte_eventdev_pmd_get_named_dev(eventdev_name);
+ if (eventdev == NULL)
+ return -ENODEV;
+
+ eventdrv = (const struct rte_eventdev_driver *)pci_dev->driver;
+ if (eventdrv == NULL)
+ return -ENODEV;
+
+ /* Invoke PMD device uninit function */
+ if (*eventdrv->eventdev_uninit) {
+ ret = (*eventdrv->eventdev_uninit)(eventdev);
+ if (ret)
+ return ret;
+ }
+
+ /* Free event device */
+ rte_eventdev_pmd_release(eventdev);
+
+ if (rte_eal_process_type() == RTE_PROC_PRIMARY)
+ rte_free(eventdev->data->dev_private);
+
+ eventdev->pci_dev = NULL;
+ eventdev->driver = NULL;
+
+ return 0;
+}
diff --git a/lib/librte_eventdev/rte_eventdev_pmd.h
b/lib/librte_eventdev/rte_eventdev_pmd.h
new file mode 100644
index 0000000..e9d9b83
--- /dev/null
+++ b/lib/librte_eventdev/rte_eventdev_pmd.h
@@ -0,0 +1,504 @@
+/*
+ *
+ * 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.
+ */
+
+#ifndef _RTE_EVENTDEV_PMD_H_
+#define _RTE_EVENTDEV_PMD_H_
+
+/** @file
+ * RTE Event PMD APIs
+ *
+ * @note
+ * These API are from event PMD only and user applications should not call
+ * them directly.
+ */
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <string.h>
+
+#include <rte_dev.h>
+#include <rte_pci.h>
+#include <rte_malloc.h>
+#include <rte_log.h>
+#include <rte_common.h>
+
+#include "rte_eventdev.h"
+
+#ifdef RTE_LIBRTE_EVENTDEV_DEBUG
+#define RTE_PMD_DEBUG_TRACE(...) \
+ rte_pmd_debug_trace(__func__, __VA_ARGS__)
+#else
+#define RTE_PMD_DEBUG_TRACE(...)
+#endif
+
+/* Logging Macros */
+#define EDEV_LOG_ERR(fmt, args...) \
+ RTE_LOG(ERR, EVENTDEV, "%s() line %u: " fmt "\n", \
+ __func__, __LINE__, ## args)
+
+#ifdef RTE_LIBRTE_EVENTDEV_DEBUG
+#define EDEV_LOG_DEBUG(fmt, args...) \
+ RTE_LOG(DEBUG, EVENTDEV, "%s() line %u: " fmt "\n", \
+ __func__, __LINE__, ## args)
+#else
+#define EDEV_LOG_DEBUG(fmt, args...) (void)0
+#endif
+
+/* Macros to check for valid device */
+#define RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, retval) do { \
+ if (!rte_eventdev_pmd_is_valid_dev((dev_id))) { \
+ EDEV_LOG_ERR("Invalid dev_id=%d\n", dev_id); \
+ return retval; \
+ } \
+} while (0)
+
+#define RTE_EVENTDEV_VALID_DEVID_OR_RET(dev_id) do { \
+ if (!rte_eventdev_pmd_is_valid_dev((dev_id))) { \
+ EDEV_LOG_ERR("Invalid dev_id=%d\n", dev_id); \
+ return; \
+ } \
+} while (0)
+
+#define RTE_EVENTDEV_DETACHED (0)
+#define RTE_EVENTDEV_ATTACHED (1)
+
+/**
+ * Initialisation function of a event driver invoked for each matching
+ * event PCI device detected during the PCI probing phase.
+ *
+ * @param dev
+ * The dev pointer is the address of the *rte_eventdev* structure associated
+ * with the matching device and which has been [automatically] allocated in
+ * the *rte_event_devices* array.
+ *
+ * @return
+ * - 0: Success, the device is properly initialised by the driver.
+ * In particular, the driver MUST have set up the *dev_ops* pointer
+ * of the *dev* structure.
+ * - <0: Error code of the device initialisation failure.
+ */
+typedef int (*eventdev_init_t)(struct rte_eventdev *dev);
+
+/**
+ * Finalisation function of a driver invoked for each matching
+ * PCI device detected during the PCI closing phase.
+ *
+ * @param dev
+ * The dev pointer is the address of the *rte_eventdev* structure associated
+ * with the matching device and which has been [automatically]
allocated in
+ * the *rte_event_devices* array.
+ *
+ * @return
+ * - 0: Success, the device is properly finalised by the driver.
+ * In particular, the driver MUST free the *dev_ops* pointer
+ * of the *dev* structure.
+ * - <0: Error code of the device initialisation failure.
+ */
+typedef int (*eventdev_uninit_t)(struct rte_eventdev *dev);
+
+/**
+ * The structure associated with a PMD driver.
+ *
+ * Each driver acts as a PCI driver and is represented by a generic
+ * *event_driver* structure that holds:
+ *
+ * - An *rte_pci_driver* structure (which must be the first field).
+ *
+ * - The *eventdev_init* function invoked for each matching PCI device.
+ *
+ * - The size of the private data to allocate for each matching device.
+ */
+struct rte_eventdev_driver {
+ struct rte_pci_driver pci_drv; /**< The PMD is also a PCI driver. */
+ unsigned int dev_private_size; /**< Size of device private data. */
+
+ eventdev_init_t eventdev_init; /**< Device init function. */
+ eventdev_uninit_t eventdev_uninit; /**< Device uninit function. */
+};
+
+/** Global structure used for maintaining state of allocated event devices */
+struct rte_eventdev_global {
+ uint8_t nb_devs; /**< Number of devices found */
+ uint8_t max_devs; /**< Max number of devices */
+};
+
+extern struct rte_eventdev_global *rte_eventdev_globals;
+/** Pointer to global event devices data structure. */
+extern struct rte_eventdev *rte_eventdevs;
+/** The pool of rte_eventdev structures. */
+
+/**
+ * Get the rte_eventdev structure device pointer for the named device.
+ *
+ * @param name
+ * device name to select the device structure.
+ *
+ * @return
+ * - The rte_eventdev structure pointer for the given device ID.
+ */
+static inline struct rte_eventdev *
+rte_eventdev_pmd_get_named_dev(const char *name)
+{
+ struct rte_eventdev *dev;
+ unsigned int i;
+
+ if (name == NULL)
+ return NULL;
+
+ for (i = 0, dev = &rte_eventdevs[i];
+ i < rte_eventdev_globals->max_devs; i++) {
+ if ((dev->attached == RTE_EVENTDEV_ATTACHED) &&
+ (strcmp(dev->data->name, name) == 0))
+ return dev;
+ }
+
+ return NULL;
+}
+
+/**
+ * Validate if the event device index is valid attached event device.
+ *
+ * @param dev_id
+ * Event device index.
+ *
+ * @return
+ * - If the device index is valid (1) or not (0).
+ */
+static inline unsigned
+rte_eventdev_pmd_is_valid_dev(uint8_t dev_id)
+{
+ struct rte_eventdev *dev;
+
+ if (dev_id >= rte_eventdev_globals->nb_devs)
+ return 0;
+
+ dev = &rte_eventdevs[dev_id];
+ if (dev->attached != RTE_EVENTDEV_ATTACHED)
+ return 0;
+ else
+ return 1;
+}
+
+/**
+ * Definitions of all functions exported by a driver through the
+ * the generic structure of type *event_dev_ops* supplied in the
+ * *rte_eventdev* structure associated with a device.
+ */
+
+/**
+ * Get device information of a device.
+ *
+ * @param dev
+ * Event device pointer
+ * @param dev_info
+ * Event device information structure
+ *
+ * @return
+ * Returns 0 on success
+ */
+typedef void (*eventdev_info_get_t)(struct rte_eventdev *dev,
+ struct rte_event_dev_info *dev_info);
+
+/**
+ * Configure a device.
+ *
+ * @param dev
+ * Event device pointer
+ *
+ * @return
+ * Returns 0 on success
+ */
+typedef int (*eventdev_configure_t)(struct rte_eventdev *dev);
+
+/**
+ * Start a configured device.
+ *
+ * @param dev
+ * Event device pointer
+ *
+ * @return
+ * Returns 0 on success
+ */
+typedef int (*eventdev_start_t)(struct rte_eventdev *dev);
+
+/**
+ * Stop a configured device.
+ *
+ * @param dev
+ * Event device pointer
+ */
+typedef void (*eventdev_stop_t)(struct rte_eventdev *dev);
+
+/**
+ * Close a configured device.
+ *
+ * @param dev
+ * Event device pointer
+ *
+ * @return
+ * - 0 on success
+ * - (-EAGAIN) if can't close as device is busy
+ */
+typedef int (*eventdev_close_t)(struct rte_eventdev *dev);
+
+/**
+ * Retrieve the default event queue configuration.
+ *
+ * @param dev
+ * Event device pointer
+ * @param queue_id
+ * Event queue index
+ * @param[out] queue_conf
+ * Event queue configuration structure
+ *
+ */
+typedef void (*eventdev_queue_default_conf_get_t)(struct rte_eventdev *dev,
+ uint8_t queue_id, struct rte_event_queue_conf *queue_conf);
+
+/**
+ * Setup an event queue.
+ *
+ * @param dev
+ * Event device pointer
+ * @param queue_id
+ * Event queue index
+ * @param queue_conf
+ * Event queue configuration structure
+ *
+ * @return
+ * Returns 0 on success.
+ */
+typedef int (*eventdev_queue_setup_t)(struct rte_eventdev *dev,
+ uint8_t queue_id, struct rte_event_queue_conf *queue_conf);
+
+/**
+ * Release memory resources allocated by given event queue.
+ *
+ * @param queue
+ * Event queue pointer
+ *
+ */
+typedef void (*eventdev_queue_release_t)(void *queue);
+
+/**
+ * Retrieve the default event port configuration.
+ *
+ * @param dev
+ * Event device pointer
+ * @param port_id
+ * Event port index
+ * @param[out] port_conf
+ * Event port configuration structure
+ *
+ */
+typedef void (*eventdev_port_default_conf_get_t)(struct rte_eventdev *dev,
+ uint8_t port_id, struct rte_event_port_conf *port_conf);
+
+/**
+ * Setup an event port.
+ *
+ * @param dev
+ * Event device pointer
+ * @param port_id
+ * Event port index
+ * @param port_conf
+ * Event port configuration structure
+ *
+ * @return
+ * Returns 0 on success.
+ */
+typedef int (*eventdev_port_setup_t)(struct rte_eventdev *dev,
+ uint8_t port_id, struct rte_event_port_conf *port_conf);
+
+/**
+ * Release memory resources allocated by given event port.
+ *
+ * @param port
+ * Event port pointer
+ *
+ */
+typedef void (*eventdev_port_release_t)(void *port);
+
+/**
+ * Link multiple source event queues to destination event port.
+ *
+ * @param port
+ * Event port pointer
+ * @param link
+ * An array of *nb_links* pointers to *rte_event_queue_link* structure
+ * @param nb_links
+ * The number of links to establish
+ *
+ * @return
+ * Returns 0 on success.
+ *
+ */
+typedef int (*eventdev_port_link_t)(void *port,
+ struct rte_event_queue_link link[], uint16_t nb_links);
+
+/**
+ * Unlink multiple source event queues from destination event port.
+ *
+ * @param port
+ * Event port pointer
+ * @param queues
+ * An array of *nb_unlinks* event queues to be unlinked from the event port.
+ * @param nb_unlinks
+ * The number of unlinks to establish
+ *
+ * @return
+ * Returns 0 on success.
+ *
+ */
+typedef int (*eventdev_port_unlink_t)(void *port,
+ uint8_t queues[], uint16_t nb_unlinks);
+
+/**
+ * Converts nanoseconds to *wait* value for rte_event_dequeue()
+ *
+ * @param dev
+ * Event device pointer
+ * @param ns
+ * Wait time in nanosecond
+ * @param[out] wait_ticks
+ * Value for the *wait* parameter in rte_event_dequeue() function
+ *
+ */
+typedef void (*eventdev_dequeue_wait_time_t)(struct rte_eventdev *dev,
+ uint64_t ns, uint64_t *wait_ticks);
+
+/**
+ * Dump internal information
+ *
+ * @param dev
+ * Event device pointer
+ * @param f
+ * A pointer to a file for output
+ *
+ */
+typedef void (*eventdev_dump_t)(struct rte_eventdev *dev, FILE *f);
+
+/** Event device operations function pointer table */
+struct rte_eventdev_ops {
+ eventdev_info_get_t dev_infos_get; /**< Get device info. */
+ eventdev_configure_t dev_configure; /**< Configure device. */
+ eventdev_start_t dev_start; /**< Start device. */
+ eventdev_stop_t dev_stop; /**< Stop device. */
+ eventdev_close_t dev_close; /**< Close device. */
+
+ eventdev_queue_default_conf_get_t queue_def_conf;
+ /**< Get default queue configuration. */
+ eventdev_queue_setup_t queue_setup;
+ /**< Set up an event queue. */
+ eventdev_queue_release_t queue_release;
+ /**< Release an event queue. */
+
+ eventdev_port_default_conf_get_t port_def_conf;
+ /**< Get default port configuration. */
+ eventdev_port_setup_t port_setup;
+ /**< Set up an event port. */
+ eventdev_port_release_t port_release;
+ /**< Release an event port. */
+
+ eventdev_port_link_t port_link;
+ /**< Link event queues to an event port. */
+ eventdev_port_unlink_t port_unlink;
+ /**< Unlink event queues from an event port. */
+ eventdev_dequeue_wait_time_t wait_time;
+ /**< Converts nanoseconds to *wait* value for rte_event_dequeue() */
+ eventdev_dump_t dump;
+ /* Dump internal information */
+};
+
+/**
+ * Allocates a new eventdev slot for an event device and returns the pointer
+ * to that slot for the driver to use.
+ *
+ * @param name
+ * Unique identifier name for each device
+ * @param socket_id
+ * Socket to allocate resources on.
+ * @return
+ * - Slot in the rte_dev_devices array for a new device;
+ */
+struct rte_eventdev *
+rte_eventdev_pmd_allocate(const char *name, int socket_id);
+
+/**
+ * Release the specified eventdev device.
+ *
+ * @param eventdev
+ * The *eventdev* pointer is the address of the *rte_eventdev* structure.
+ * @return
+ * - 0 on success, negative on error
+ */
+int
+rte_eventdev_pmd_release(struct rte_eventdev *eventdev);
+
+/**
+ * Creates a new virtual event device and returns the pointer to that device.
+ *
+ * @param name
+ * PMD type name
+ * @param dev_private_size
+ * Size of event PMDs private data
+ * @param socket_id
+ * Socket to allocate resources on.
+ *
+ * @return
+ * - Eventdev pointer if device is successfully created.
+ * - NULL if device cannot be created.
+ */
+struct rte_eventdev *
+rte_eventdev_pmd_vdev_init(const char *name, size_t dev_private_size,
+ int socket_id);
+
+
+/**
+ * Wrapper for use by pci drivers as a .probe function to attach to a event
+ * interface.
+ */
+int rte_eventdev_pmd_pci_probe(struct rte_pci_driver *pci_drv,
+ struct rte_pci_device *pci_dev);
+
+/**
+ * Wrapper for use by pci drivers as a .remove function to detach a event
+ * interface.
+ */
+int rte_eventdev_pmd_pci_remove(struct rte_pci_device *pci_dev);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _RTE_EVENTDEV_PMD_H_ */
diff --git a/lib/librte_eventdev/rte_eventdev_version.map
b/lib/librte_eventdev/rte_eventdev_version.map
new file mode 100644
index 0000000..ef40aae
--- /dev/null
+++ b/lib/librte_eventdev/rte_eventdev_version.map
@@ -0,0 +1,39 @@
+DPDK_17.02 {
+ global:
+
+ rte_eventdevs;
+
+ rte_event_dev_count;
+ rte_event_dev_get_dev_id;
+ rte_event_dev_socket_id;
+ rte_event_dev_info_get;
+ rte_event_dev_configure;
+ rte_event_dev_start;
+ rte_event_dev_stop;
+ rte_event_dev_close;
+ rte_event_dev_dump;
+
+ rte_event_port_default_conf_get;
+ rte_event_port_setup;
+ rte_event_port_dequeue_depth;
+ rte_event_port_enqueue_depth;
+ rte_event_port_count;
+ rte_event_port_link;
+ rte_event_port_unlink;
+ rte_event_port_links_get;
+
+ rte_event_queue_default_conf_get
+ rte_event_queue_setup;
+ rte_event_queue_count;
+ rte_event_queue_priority;
+
+ rte_event_dequeue_wait_time;
+
+ rte_eventdev_pmd_allocate;
+ rte_eventdev_pmd_release;
+ rte_eventdev_pmd_vdev_init;
+ rte_eventdev_pmd_pci_probe;
+ rte_eventdev_pmd_pci_remove;
+
+ local: *;
+};
diff --git a/mk/rte.app.mk b/mk/rte.app.mk
index f75f0e2..716725a 100644
--- a/mk/rte.app.mk
+++ b/mk/rte.app.mk
@@ -93,6 +93,7 @@ _LDLIBS-$(CONFIG_RTE_LIBRTE_MBUF) += -lrte_mbuf
_LDLIBS-$(CONFIG_RTE_LIBRTE_NET) += -lrte_net
_LDLIBS-$(CONFIG_RTE_LIBRTE_ETHER) += -lrte_ethdev
_LDLIBS-$(CONFIG_RTE_LIBRTE_CRYPTODEV) += -lrte_cryptodev
+_LDLIBS-$(CONFIG_RTE_LIBRTE_EVENTDEV) += -lrte_eventdev
_LDLIBS-$(CONFIG_RTE_LIBRTE_MEMPOOL) += -lrte_mempool
_LDLIBS-$(CONFIG_RTE_LIBRTE_RING) += -lrte_ring
_LDLIBS-$(CONFIG_RTE_LIBRTE_EAL) += -lrte_eal
--
2.5.5
