[dpdk-dev] [RFC PATCH v4 4/4] test: add event timer adapter auto-test

[Erik Gabriel Carrillo <erik.g.carrillo@intel.com>]

This commit adds enough test infrastructure to exercise the
allocation/deallocation routines of the event timer adapter library
minimally.

Signed-off-by: Erik Gabriel Carrillo <erik.g.carrillo@intel.com>
---
 test/test/Makefile                   |   1 +
 test/test/test_event_timer_adapter.c | 249 +++++++++++++++++++++++++++++++++++
 2 files changed, 250 insertions(+)
 create mode 100644 test/test/test_event_timer_adapter.c

diff --git a/test/test/Makefile b/test/test/Makefile
index bb54c98..9448aef 100644
--- a/test/test/Makefile
+++ b/test/test/Makefile
@@ -210,6 +210,7 @@ ifeq ($(CONFIG_RTE_LIBRTE_EVENTDEV),y)
 SRCS-y += test_eventdev.c
 SRCS-y += test_event_ring.c
 SRCS-y += test_event_eth_rx_adapter.c
+SRCS-y += test_event_timer_adapter.c
 SRCS-$(CONFIG_RTE_LIBRTE_PMD_SW_EVENTDEV) += test_eventdev_sw.c
 SRCS-$(CONFIG_RTE_LIBRTE_PMD_OCTEONTX_SSOVF) += test_eventdev_octeontx.c
 endif
diff --git a/test/test/test_event_timer_adapter.c b/test/test/test_event_timer_adapter.c
new file mode 100644
index 0000000..d0ea066
--- /dev/null
+++ b/test/test/test_event_timer_adapter.c
@@ -0,0 +1,249 @@
+/*-
+ *   BSD LICENSE
+ *
+ *   Copyright(c) 2017 Intel Corporation. All rights reserved.
+ *
+ *   Redistribution and use in source and binary forms, with or without
+ *   modification, are permitted provided that the following conditions
+ *   are met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in
+ *       the documentation and/or other materials provided with the
+ *       distribution.
+ *     * Neither the name of Intel Corporation nor the names of its
+ *       contributors may be used to endorse or promote products derived
+ *       from this software without specific prior written permission.
+ *
+ *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <string.h>
+
+#include <rte_eventdev.h>
+#include <rte_dev.h>
+#include <rte_bus_vdev.h>
+#include <rte_event_timer_adapter.h>
+#include <rte_mempool.h>
+#include <rte_errno.h>
+#include <rte_service_component.h>
+
+#include "test.h"
+
+/* Example from RFC */
+#define NB_TEST_EVENT_TIMERS 40000
+
+static int evdev;
+//struct rte_event_timer_adapter *g_adapter;
+struct rte_event_timer *g_evtimer;
+struct rte_mempool *g_event_timer_pool;
+
+static inline void
+devconf_set_default_sane_values(struct rte_event_dev_config *dev_conf,
+			struct rte_event_dev_info *info)
+{
+	memset(dev_conf, 0, sizeof(struct rte_event_dev_config));
+	dev_conf->dequeue_timeout_ns = info->min_dequeue_timeout_ns;
+	/* Leave a port for the adapter to allocate */
+	dev_conf->nb_event_ports = info->max_event_ports - 1;
+	dev_conf->nb_event_queues = info->max_event_queues;
+	dev_conf->nb_event_queue_flows = info->max_event_queue_flows;
+	dev_conf->nb_event_port_dequeue_depth =
+			info->max_event_port_dequeue_depth;
+	dev_conf->nb_event_port_enqueue_depth =
+			info->max_event_port_enqueue_depth;
+	dev_conf->nb_event_port_enqueue_depth =
+			info->max_event_port_enqueue_depth;
+	dev_conf->nb_events_limit =
+			info->max_num_events;
+}
+
+static int
+configure_event_dev(void)
+{
+	struct rte_event_dev_config devconf;
+	int ret;
+	const char *eventdev_name = "event_sw0";
+	struct rte_event_dev_info info;
+	int i;
+
+	evdev = rte_event_dev_get_dev_id(eventdev_name);
+	if (evdev < 0) {
+		if (rte_vdev_init(eventdev_name, NULL) < 0) {
+			printf("Error creating eventdev\n");
+			return TEST_FAILED;
+		}
+		evdev = rte_event_dev_get_dev_id(eventdev_name);
+		if (evdev < 0) {
+			printf("Error finding newly created eventdev\n");
+			return TEST_FAILED;
+		}
+	}
+
+	ret = rte_event_dev_info_get(evdev, &info);
+	TEST_ASSERT_SUCCESS(ret, "Failed to get event dev info");
+
+	devconf_set_default_sane_values(&devconf, &info);
+
+	ret = rte_event_dev_configure(evdev, &devconf);
+	TEST_ASSERT_SUCCESS(ret, "Failed to configure eventdev");
+
+	/* Map the event_sw0 service to a service core */
+	ret = rte_service_start_with_defaults();
+	TEST_ASSERT_SUCCESS(ret, "Failed to start sw_evdev service");
+
+	/* Set up event queues */
+	uint32_t queue_count;
+	TEST_ASSERT_SUCCESS(rte_event_dev_attr_get(evdev,
+			    RTE_EVENT_DEV_ATTR_QUEUE_COUNT, &queue_count),
+			    "Queue count get failed");
+
+	for (i = 0; i < (int)queue_count; i++) {
+		ret = rte_event_queue_setup(evdev, i, NULL);
+		TEST_ASSERT_SUCCESS(ret, "Failed to setup queue=%d", i);
+	}
+
+	/* Set up event ports */
+	uint32_t port_count;
+	TEST_ASSERT_SUCCESS(rte_event_dev_attr_get(evdev,
+			    RTE_EVENT_DEV_ATTR_PORT_COUNT,
+			    &port_count), "Port count get failed");
+
+	for (i = 0; i < (int)port_count; i++) {
+		ret = rte_event_port_setup(evdev, i, NULL);
+		TEST_ASSERT_SUCCESS(ret, "Failed to setup port=%d", i);
+		/* Link each queues to all ports */
+		ret = rte_event_port_link(evdev, i, NULL, NULL, 0);
+		TEST_ASSERT(ret >= 0, "Failed to link all queues port=%d", i);
+	}
+
+	/* Start the event device */
+	ret = rte_event_dev_start(evdev);
+	TEST_ASSERT_SUCCESS(ret, "Failed to start device");
+
+	return TEST_SUCCESS;
+}
+
+static int
+testsuite_setup(void)
+{
+	int ret;
+
+	/* Setup and start event device. */
+	ret = configure_event_dev();
+	if (ret) {
+		printf("Failed to configure event dev\n");
+		return TEST_FAILED;
+	}
+
+	/* Create a mempool of event timers. */
+	g_event_timer_pool = rte_mempool_create("event_timer_mempool",
+						NB_TEST_EVENT_TIMERS,
+						sizeof(struct rte_event_timer),
+						0,
+						0,
+						NULL,
+						NULL,
+						NULL,
+						NULL,
+						rte_socket_id(),
+						0);
+	if (g_event_timer_pool == NULL) {
+		/* Failed to create event timer mempool. */
+		printf("Failed to configure event timer mempool: %s\n",
+		       rte_strerror(rte_errno));
+		return TEST_FAILED;
+	}
+
+	return TEST_SUCCESS;
+}
+
+static void
+testsuite_teardown(void)
+{
+	/* TODO: tear down adapter and evdev */
+
+	rte_mempool_free(g_event_timer_pool);
+}
+
+#define NSECPERSEC 1E9  // No of ns for 1 sec
+
+static int
+adapter_create_free(void)
+{
+	int ret;
+	int adapter_id = 0;
+	struct rte_event_timer_adapter *adapter;
+
+	struct rte_event_timer_adapter_conf conf = {
+		.event_dev_id = evdev,
+		.timer_adapter_id = adapter_id,
+		.clk_src = RTE_EVENT_TIMER_ADAPTER_CPU_CLK,
+		.timer_tick_ns = NSECPERSEC / 10,  // 100 milliseconds
+		.max_tmo_ns = 180 * NSECPERSEC,  // 2 minutes
+		.nb_timers = NB_TEST_EVENT_TIMERS,
+		.flags = 0,
+	};
+
+	adapter = rte_event_timer_adapter_create(&conf);
+	if (adapter == NULL) {
+		printf("Failed to create adapter\n");
+		return TEST_FAILED;
+	}
+
+	/* Move to separate tests later; just verify plugin connections for
+	 * now
+	 */
+
+	struct rte_event_timer_adapter_info adapter_info;
+	ret = rte_event_timer_adapter_get_info(adapter, &adapter_info);
+	if (ret < 0)
+		return TEST_FAILED;
+
+	ret = rte_event_timer_adapter_start(adapter);
+	if (ret < 0)
+		return TEST_FAILED;
+
+	ret = rte_event_timer_adapter_stop(adapter);
+	if (ret < 0)
+		return TEST_FAILED;
+
+	ret = rte_event_timer_adapter_free(adapter);
+	if (ret) {
+		printf("Failed to free adapter\n");
+		return TEST_FAILED;
+	}
+
+	return TEST_SUCCESS;
+}
+
+static struct unit_test_suite adapter_tests  = {
+	.suite_name = "event timer adapter test suite",
+	.setup = testsuite_setup,
+	.teardown = testsuite_teardown,
+	.unit_test_cases = {
+		TEST_CASE(adapter_create_free),
+		TEST_CASES_END() /**< NULL terminate unit test array */
+	}
+};
+
+static int
+test_event_timer_adapter_common(void)
+{
+	return unit_test_suite_runner(&adapter_tests);
+}
+
+REGISTER_TEST_COMMAND(event_timer_adapter_autotest,
+		      test_event_timer_adapter_common);
-- 
2.6.4