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From: Anoob Joseph <anoob.joseph@caviumnetworks.com>
To: Bruce Richardson <bruce.richardson@intel.com>,
Jerin Jacob <jerin.jacob@caviumnetworks.com>,
Pablo de Lara <pablo.de.lara.guarch@intel.com>
Cc: Anoob Joseph <anoob.joseph@caviumnetworks.com>,
Hemant Agrawal <hemant.agrawal@nxp.com>,
Narayana Prasad <narayanaprasad.athreya@caviumnetworks.com>,
Nikhil Rao <nikhil.rao@intel.com>,
Pavan Nikhilesh <pbhagavatula@caviumnetworks.com>,
Sunil Kumar Kori <sunil.kori@nxp.com>, dev@dpdk.org
Date: Fri, 8 Jun 2018 22:54:06 +0530
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Subject: [dpdk-dev] [PATCH 07/20] eventdev: add eventdevice init for
eventmode
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Adding routines to initialize event devs. The internal conf structure
would be used to track device configuration.
Signed-off-by: Anoob Joseph <anoob.joseph@caviumnetworks.com>
---
lib/librte_eventdev/rte_eventmode_helper.c | 129 +++++++++++++++++++++
.../rte_eventmode_helper_internal.h | 16 ++-
2 files changed, 144 insertions(+), 1 deletion(-)
diff --git a/lib/librte_eventdev/rte_eventmode_helper.c b/lib/librte_eventdev/rte_eventmode_helper.c
index f2c2b78..e55d4aa 100644
--- a/lib/librte_eventdev/rte_eventmode_helper.c
+++ b/lib/librte_eventdev/rte_eventmode_helper.c
@@ -4,6 +4,7 @@
#include <getopt.h>
#include <rte_ethdev.h>
+#include <rte_eventdev.h>
#include <rte_eventmode_helper.h>
#include <rte_malloc.h>
@@ -154,12 +155,132 @@ rte_eventmode_helper_parse_args(int argc, char **argv)
return NULL;
}
+/* Setup eventmode devs */
+
+static int
+rte_eventmode_helper_initialize_eventdev(struct eventmode_conf *em_conf)
+{
+ int ret = -1;
+ uint8_t i, j;
+ struct rte_event_dev_config eventdev_conf;
+ struct rte_event_dev_info evdev_default_conf;
+ struct rte_event_queue_conf eventq_conf = {0};
+ struct eventdev_params *eventdev_config;
+ int nb_eventdev = em_conf->nb_eventdev;
+ int nb_eventqueue;
+ uint8_t eventdev_id;
+
+ for (i = 0; i < nb_eventdev; i++) {
+
+ /* Get eventdev config */
+ eventdev_config = &(em_conf->eventdev_config[i]);
+
+ /* Get event dev ID */
+ eventdev_id = eventdev_config->eventdev_id;
+
+ /* Get the number of queues */
+ nb_eventqueue = eventdev_config->nb_eventqueue;
+
+ /* One queue is required for the final stage (doing eth tx) */
+ nb_eventqueue += 1;
+
+ /* Reset the default conf */
+ memset(&evdev_default_conf, 0,
+ sizeof(struct rte_event_dev_info));
+
+ /* Get default conf of eventdev */
+ ret = rte_event_dev_info_get(eventdev_id, &evdev_default_conf);
+ if (ret < 0) {
+ RTE_EM_HLPR_LOG_ERR(
+ "Error in getting event device info[devID:%d]",
+ eventdev_id);
+ return ret;
+ }
+
+ memset(&eventdev_conf, 0, sizeof(struct rte_event_dev_config));
+ eventdev_conf.nb_events_limit = 4096;
+ eventdev_conf.nb_event_queues = nb_eventqueue;
+ eventdev_conf.nb_event_ports =
+ eventdev_config->nb_eventport;
+ eventdev_conf.nb_event_queue_flows =
+ evdev_default_conf.max_event_queue_flows;
+ eventdev_conf.nb_event_port_dequeue_depth =
+ evdev_default_conf.max_event_port_dequeue_depth;
+ eventdev_conf.nb_event_port_enqueue_depth =
+ evdev_default_conf.max_event_port_enqueue_depth;
+
+ /* Configure event device */
+ ret = rte_event_dev_configure(eventdev_id, &eventdev_conf);
+ if (ret < 0) {
+ RTE_EM_HLPR_LOG_ERR(
+ "Error in configuring event device");
+ return ret;
+ }
+
+ /* Configure event queues */
+ for (j = 0; j < nb_eventqueue; j++) {
+
+ memset(&eventq_conf, 0,
+ sizeof(struct rte_event_queue_conf));
+
+ /* Read the requested conf */
+
+ /* Per event dev queues can be ATQ or SINGLE LINK */
+ eventq_conf.event_queue_cfg =
+ eventdev_config->ev_queue_mode;
+
+ /* Set schedule type as ATOMIC */
+ eventq_conf.schedule_type = RTE_SCHED_TYPE_ATOMIC;
+
+ /* Set max atomic flows to 1024 */
+ eventq_conf.nb_atomic_flows = 1024;
+ eventq_conf.nb_atomic_order_sequences = 1024;
+
+ /* Setup the queue */
+ ret = rte_event_queue_setup(eventdev_id, j,
+ &eventq_conf);
+ if (ret < 0) {
+ RTE_EM_HLPR_LOG_ERR(
+ "Error in event queue setup");
+ return ret;
+ }
+ }
+
+ /* Configure event ports */
+ for (j = 0; j < eventdev_config->nb_eventport; j++) {
+ ret = rte_event_port_setup(eventdev_id, j, NULL);
+ if (ret < 0) {
+ RTE_EM_HLPR_LOG_ERR(
+ "Error setting up event port");
+ return ret;
+ }
+ }
+ }
+
+ /* Start event devices */
+ for (i = 0; i < nb_eventdev; i++) {
+
+ /* Get eventdev config */
+ eventdev_config = &(em_conf->eventdev_config[i]);
+
+ ret = rte_event_dev_start(eventdev_config->eventdev_id);
+ if (ret < 0) {
+ RTE_EM_HLPR_LOG_ERR(
+ "Error in starting event device[devID: %d]",
+ eventdev_config->eventdev_id);
+ return ret;
+ }
+ }
+ return 0;
+}
+
int32_t
rte_eventmode_helper_initialize_devs(
struct rte_eventmode_helper_conf *mode_conf)
{
int ret;
uint16_t portid;
+ struct eventmode_conf *em_conf;
if (mode_conf == NULL) {
RTE_EM_HLPR_LOG_ERR("Invalid conf");
@@ -174,6 +295,9 @@ rte_eventmode_helper_initialize_devs(
return -1;
}
+ /* Get eventmode conf */
+ em_conf = (struct eventmode_conf *)(mode_conf->mode_params);
+
/* Stop eth devices before setting up adapter */
RTE_ETH_FOREACH_DEV(portid) {
@@ -184,6 +308,11 @@ rte_eventmode_helper_initialize_devs(
rte_eth_dev_stop(portid);
}
+ /* Setup eventdev */
+ ret = rte_eventmode_helper_initialize_eventdev(em_conf);
+ if (ret != 0)
+ return ret;
+
/* Start eth devices after setting up adapter */
RTE_ETH_FOREACH_DEV(portid) {
diff --git a/lib/librte_eventdev/rte_eventmode_helper_internal.h b/lib/librte_eventdev/rte_eventmode_helper_internal.h
index 134ddd3..4cd5ac4 100644
--- a/lib/librte_eventdev/rte_eventmode_helper_internal.h
+++ b/lib/librte_eventdev/rte_eventmode_helper_internal.h
@@ -27,9 +27,23 @@
#define RTE_EM_HLPR_LOG_DEBUG(...) (void)0
#endif
+/* Max event devices supported */
+#define EVENT_MODE_MAX_EVENT_DEVS RTE_EVENT_MAX_DEVS
+
+/* Event dev params */
+struct eventdev_params {
+ uint8_t eventdev_id;
+ uint8_t nb_eventqueue;
+ uint8_t nb_eventport;
+ uint8_t ev_queue_mode;
+};
+
/* Eventmode conf data */
struct eventmode_conf {
- uint64_t dummy;
+ int nb_eventdev;
+ /**< No of event devs */
+ struct eventdev_params eventdev_config[EVENT_MODE_MAX_EVENT_DEVS];
+ /**< Per event dev conf */
};
#endif /* _RTE_EVENTMODE_HELPER_INTERNAL_H_ */
--
2.7.4