[dpdk-dev] [PATCH v4 2/4] eventdev: add dev attribute get function

Harry van Haaren harry.van.haaren at intel.com
Thu Sep 14 18:09:01 CEST 2017


This commit adds a device attribute function, allowing flexible
fetching of device attributes, like port count or queue count.
The unit tests and .map file are updated to the new function.

Signed-off-by: Harry van Haaren <harry.van.haaren at intel.com>
Acked-by: Jerin Jacob <jerin.jacob at caviumnetworks.com>

---

v4: [feedback http://dpdk.org/dev/patchwork/patch/28521/ ]
- Fixed default case comment (Jerin)
- Removed /* out */ comment in .h and .c (Jerin)
- Move function declaration in .h file to dev area (Jerin)
- Fix inconsistent removal of queue_count() function (Harry)
---
 lib/librte_eventdev/rte_eventdev.c           |  35 ++++---
 lib/librte_eventdev/rte_eventdev.h           |  37 ++++---
 lib/librte_eventdev/rte_eventdev_version.map |   3 +-
 test/test/test_eventdev.c                    | 110 ++++++++++++++++-----
 test/test/test_eventdev_octeontx.c           | 143 ++++++++++++++++++++-------
 5 files changed, 241 insertions(+), 87 deletions(-)

diff --git a/lib/librte_eventdev/rte_eventdev.c b/lib/librte_eventdev/rte_eventdev.c
index 9eacc73..ea76444 100644
--- a/lib/librte_eventdev/rte_eventdev.c
+++ b/lib/librte_eventdev/rte_eventdev.c
@@ -610,15 +610,6 @@ rte_event_queue_setup(uint8_t dev_id, uint8_t queue_id,
 }
 
 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;
@@ -743,13 +734,29 @@ rte_event_port_setup(uint8_t dev_id, uint8_t port_id,
 	return 0;
 }
 
-uint8_t
-rte_event_port_count(uint8_t dev_id)
+int
+rte_event_dev_attr_get(uint8_t dev_id, uint32_t attr_id,
+		       uint32_t *attr_value)
 {
 	struct rte_eventdev *dev;
 
+	if (!attr_value)
+		return -EINVAL;
+	RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL);
 	dev = &rte_eventdevs[dev_id];
-	return dev->data->nb_ports;
+
+	switch (attr_id) {
+	case RTE_EVENT_DEV_ATTR_PORT_COUNT:
+		*attr_value = dev->data->nb_ports;
+		break;
+	case RTE_EVENT_DEV_ATTR_QUEUE_COUNT:
+		*attr_value = dev->data->nb_queues;
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	return 0;
 }
 
 int
@@ -757,6 +764,10 @@ rte_event_port_attr_get(uint8_t dev_id, uint8_t port_id, uint32_t attr_id,
 			uint32_t *attr_value)
 {
 	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_port(dev, port_id)) {
diff --git a/lib/librte_eventdev/rte_eventdev.h b/lib/librte_eventdev/rte_eventdev.h
index e1febfa..0f7f10a 100644
--- a/lib/librte_eventdev/rte_eventdev.h
+++ b/lib/librte_eventdev/rte_eventdev.h
@@ -399,6 +399,32 @@ struct rte_event_dev_info {
 int
 rte_event_dev_info_get(uint8_t dev_id, struct rte_event_dev_info *dev_info);
 
+/**
+ * The count of ports.
+ */
+#define RTE_EVENT_DEV_ATTR_PORT_COUNT 0
+/**
+ * The count of queues.
+ */
+#define RTE_EVENT_DEV_ATTR_QUEUE_COUNT 1
+
+/**
+ * Get an attribute from a device.
+ *
+ * @param dev_id Eventdev id
+ * @param attr_id The attribute ID to retrieve
+ * @param[out] attr_value A pointer that will be filled in with the attribute
+ *             value if successful.
+ *
+ * @retval 0 Successfully retrieved attribute value
+ *         -EINVAL Invalid device or  *attr_id* provided, or *attr_value*
+ *         is NULL
+ */
+int
+rte_event_dev_attr_get(uint8_t dev_id, uint32_t attr_id,
+		       uint32_t *attr_value);
+
+
 /* Event device configuration bitmap flags */
 #define RTE_EVENT_DEV_CFG_PER_DEQUEUE_TIMEOUT (1ULL << 0)
 /**< Override the global *dequeue_timeout_ns* and use per dequeue timeout in ns.
@@ -715,17 +741,6 @@ rte_event_port_setup(uint8_t dev_id, uint8_t port_id,
 		     const struct rte_event_port_conf *port_conf);
 
 /**
- * Get the number of ports on a specific event device
- *
- * @param dev_id
- *   Event device identifier.
- * @return
- *   - The number of configured ports
- */
-uint8_t
-rte_event_port_count(uint8_t dev_id);
-
-/**
  * The queue depth of the port on the enqueue side
  */
 #define RTE_EVENT_PORT_ATTR_ENQ_DEPTH 0
diff --git a/lib/librte_eventdev/rte_eventdev_version.map b/lib/librte_eventdev/rte_eventdev_version.map
index 57d0b72..1353a6d 100644
--- a/lib/librte_eventdev/rte_eventdev_version.map
+++ b/lib/librte_eventdev/rte_eventdev_version.map
@@ -19,14 +19,12 @@ DPDK_17.05 {
 
 	rte_event_port_default_conf_get;
 	rte_event_port_setup;
-	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_timeout_ticks;
@@ -53,6 +51,7 @@ DPDK_17.08 {
 DPDK_17.11 {
 	global:
 
+	rte_event_dev_attr_get;
 	rte_event_port_attr_get;
 
 } DPDK_17.08;
diff --git a/test/test/test_eventdev.c b/test/test/test_eventdev.c
index f3ec470..0c612be 100644
--- a/test/test/test_eventdev.c
+++ b/test/test/test_eventdev.c
@@ -273,7 +273,12 @@ test_eventdev_queue_default_conf_get(void)
 	ret = rte_event_queue_default_conf_get(TEST_DEV_ID, 0, NULL);
 	TEST_ASSERT(ret == -EINVAL, "Expected -EINVAL, %d", ret);
 
-	for (i = 0; i < rte_event_queue_count(TEST_DEV_ID); i++) {
+	uint32_t queue_count;
+	TEST_ASSERT_SUCCESS(rte_event_dev_attr_get(TEST_DEV_ID,
+			    RTE_EVENT_DEV_ATTR_QUEUE_COUNT, &queue_count),
+			    "Queue count get failed");
+
+	for (i = 0; i < (int)queue_count; i++) {
 		ret = rte_event_queue_default_conf_get(TEST_DEV_ID, i,
 						 &qconf);
 		TEST_ASSERT_SUCCESS(ret, "Failed to get queue%d info", i);
@@ -318,8 +323,12 @@ test_eventdev_queue_setup(void)
 	ret = rte_event_queue_setup(TEST_DEV_ID, 0, &qconf);
 	TEST_ASSERT_SUCCESS(ret, "Failed to setup queue0");
 
+	uint32_t queue_count;
+	TEST_ASSERT_SUCCESS(rte_event_dev_attr_get(TEST_DEV_ID,
+			    RTE_EVENT_DEV_ATTR_QUEUE_COUNT, &queue_count),
+			    "Queue count get failed");
 
-	for (i = 0; i < rte_event_queue_count(TEST_DEV_ID); i++) {
+	for (i = 0; i < (int)queue_count; i++) {
 		ret = rte_event_queue_setup(TEST_DEV_ID, i, NULL);
 		TEST_ASSERT_SUCCESS(ret, "Failed to setup queue%d", i);
 	}
@@ -336,8 +345,12 @@ test_eventdev_queue_count(void)
 	ret = rte_event_dev_info_get(TEST_DEV_ID, &info);
 	TEST_ASSERT_SUCCESS(ret, "Failed to get event dev info");
 
-	TEST_ASSERT_EQUAL(rte_event_queue_count(TEST_DEV_ID),
-		 info.max_event_queues, "Wrong queue count");
+	uint32_t queue_count;
+	TEST_ASSERT_SUCCESS(rte_event_dev_attr_get(TEST_DEV_ID,
+			    RTE_EVENT_DEV_ATTR_QUEUE_COUNT, &queue_count),
+			    "Queue count get failed");
+	TEST_ASSERT_EQUAL(queue_count, info.max_event_queues,
+			  "Wrong queue count");
 
 	return TEST_SUCCESS;
 }
@@ -353,7 +366,12 @@ test_eventdev_queue_priority(void)
 	ret = rte_event_dev_info_get(TEST_DEV_ID, &info);
 	TEST_ASSERT_SUCCESS(ret, "Failed to get event dev info");
 
-	for (i = 0; i < rte_event_queue_count(TEST_DEV_ID); i++) {
+	uint32_t queue_count;
+	TEST_ASSERT_SUCCESS(rte_event_dev_attr_get(TEST_DEV_ID,
+			    RTE_EVENT_DEV_ATTR_QUEUE_COUNT, &queue_count),
+			    "Queue count get failed");
+
+	for (i = 0; i < (int)queue_count; i++) {
 		ret = rte_event_queue_default_conf_get(TEST_DEV_ID, i,
 					&qconf);
 		TEST_ASSERT_SUCCESS(ret, "Failed to get queue%d def conf", i);
@@ -362,8 +380,9 @@ test_eventdev_queue_priority(void)
 		TEST_ASSERT_SUCCESS(ret, "Failed to setup queue%d", i);
 	}
 
-	for (i = 0; i < rte_event_queue_count(TEST_DEV_ID); i++) {
+	for (i = 0; i < (int)queue_count; i++) {
 		priority =  rte_event_queue_priority(TEST_DEV_ID, i);
+
 		if (info.event_dev_cap & RTE_EVENT_DEV_CAP_QUEUE_QOS)
 			TEST_ASSERT_EQUAL(priority,
 			 i %  RTE_EVENT_DEV_PRIORITY_LOWEST,
@@ -386,11 +405,16 @@ test_eventdev_port_default_conf_get(void)
 	ret = rte_event_port_default_conf_get(TEST_DEV_ID, 0, NULL);
 	TEST_ASSERT(ret == -EINVAL, "Expected -EINVAL, %d", ret);
 
+	uint32_t port_count;
+	TEST_ASSERT_SUCCESS(rte_event_dev_attr_get(TEST_DEV_ID,
+				RTE_EVENT_DEV_ATTR_PORT_COUNT,
+				&port_count), "Port count get failed");
+
 	ret = rte_event_port_default_conf_get(TEST_DEV_ID,
-			rte_event_port_count(TEST_DEV_ID) + 1, NULL);
+			port_count + 1, NULL);
 	TEST_ASSERT(ret == -EINVAL, "Expected -EINVAL, %d", ret);
 
-	for (i = 0; i < rte_event_port_count(TEST_DEV_ID); i++) {
+	for (i = 0; i < (int)port_count; i++) {
 		ret = rte_event_port_default_conf_get(TEST_DEV_ID, i,
 							&pconf);
 		TEST_ASSERT_SUCCESS(ret, "Failed to get port%d info", i);
@@ -436,8 +460,12 @@ test_eventdev_port_setup(void)
 	ret = rte_event_port_setup(TEST_DEV_ID, 0, &pconf);
 	TEST_ASSERT_SUCCESS(ret, "Failed to setup port0");
 
+	uint32_t port_count;
+	TEST_ASSERT_SUCCESS(rte_event_dev_attr_get(TEST_DEV_ID,
+				RTE_EVENT_DEV_ATTR_PORT_COUNT,
+				&port_count), "Port count get failed");
 
-	for (i = 0; i < rte_event_port_count(TEST_DEV_ID); i++) {
+	for (i = 0; i < (int)port_count; i++) {
 		ret = rte_event_port_setup(TEST_DEV_ID, i, NULL);
 		TEST_ASSERT_SUCCESS(ret, "Failed to setup port%d", i);
 	}
@@ -504,8 +532,11 @@ test_eventdev_port_count(void)
 	ret = rte_event_dev_info_get(TEST_DEV_ID, &info);
 	TEST_ASSERT_SUCCESS(ret, "Failed to get event dev info");
 
-	TEST_ASSERT_EQUAL(rte_event_port_count(TEST_DEV_ID),
-		 info.max_event_ports, "Wrong port count");
+	uint32_t port_count;
+	TEST_ASSERT_SUCCESS(rte_event_dev_attr_get(TEST_DEV_ID,
+				RTE_EVENT_DEV_ATTR_PORT_COUNT,
+				&port_count), "Port count get failed");
+	TEST_ASSERT_EQUAL(port_count, info.max_event_ports, "Wrong port count");
 
 	return TEST_SUCCESS;
 }
@@ -532,19 +563,28 @@ test_eventdev_start_stop(void)
 	ret = eventdev_configure_setup();
 	TEST_ASSERT_SUCCESS(ret, "Failed to configure eventdev");
 
-	for (i = 0; i < rte_event_queue_count(TEST_DEV_ID); i++) {
+	uint32_t queue_count;
+	TEST_ASSERT_SUCCESS(rte_event_dev_attr_get(TEST_DEV_ID,
+			    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(TEST_DEV_ID, i, NULL);
 		TEST_ASSERT_SUCCESS(ret, "Failed to setup queue%d", i);
 	}
 
-	for (i = 0; i < rte_event_port_count(TEST_DEV_ID); i++) {
+	uint32_t port_count;
+	TEST_ASSERT_SUCCESS(rte_event_dev_attr_get(TEST_DEV_ID,
+				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(TEST_DEV_ID, i, NULL);
 		TEST_ASSERT_SUCCESS(ret, "Failed to setup port%d", i);
 	}
 
 	ret = rte_event_port_link(TEST_DEV_ID, 0, NULL, NULL, 0);
-	TEST_ASSERT(ret == rte_event_queue_count(TEST_DEV_ID),
-			"Failed to link port, device %d", TEST_DEV_ID);
+	TEST_ASSERT(ret == (int)queue_count, "Failed to link port, device %d",
+		    TEST_DEV_ID);
 
 	ret = rte_event_dev_start(TEST_DEV_ID);
 	TEST_ASSERT_SUCCESS(ret, "Failed to start device%d", TEST_DEV_ID);
@@ -562,19 +602,28 @@ eventdev_setup_device(void)
 	ret = eventdev_configure_setup();
 	TEST_ASSERT_SUCCESS(ret, "Failed to configure eventdev");
 
-	for (i = 0; i < rte_event_queue_count(TEST_DEV_ID); i++) {
+	uint32_t queue_count;
+	TEST_ASSERT_SUCCESS(rte_event_dev_attr_get(TEST_DEV_ID,
+			    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(TEST_DEV_ID, i, NULL);
 		TEST_ASSERT_SUCCESS(ret, "Failed to setup queue%d", i);
 	}
 
-	for (i = 0; i < rte_event_port_count(TEST_DEV_ID); i++) {
+	uint32_t port_count;
+	TEST_ASSERT_SUCCESS(rte_event_dev_attr_get(TEST_DEV_ID,
+				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(TEST_DEV_ID, i, NULL);
 		TEST_ASSERT_SUCCESS(ret, "Failed to setup port%d", i);
 	}
 
 	ret = rte_event_port_link(TEST_DEV_ID, 0, NULL, NULL, 0);
-	TEST_ASSERT(ret == rte_event_queue_count(TEST_DEV_ID),
-			"Failed to link port, device %d", TEST_DEV_ID);
+	TEST_ASSERT(ret == (int)queue_count, "Failed to link port, device %d",
+		    TEST_DEV_ID);
 
 	ret = rte_event_dev_start(TEST_DEV_ID);
 	TEST_ASSERT_SUCCESS(ret, "Failed to start device%d", TEST_DEV_ID);
@@ -599,7 +648,11 @@ test_eventdev_link(void)
 	TEST_ASSERT(ret >= 0, "Failed to link with NULL device%d",
 				 TEST_DEV_ID);
 
-	nb_queues = rte_event_queue_count(TEST_DEV_ID);
+	uint32_t queue_count;
+	TEST_ASSERT_SUCCESS(rte_event_dev_attr_get(TEST_DEV_ID,
+			    RTE_EVENT_DEV_ATTR_QUEUE_COUNT, &queue_count),
+			    "Queue count get failed");
+	nb_queues = queue_count;
 	for (i = 0; i < nb_queues; i++) {
 		queues[i] = i;
 		priorities[i] = RTE_EVENT_DEV_PRIORITY_NORMAL;
@@ -622,7 +675,11 @@ test_eventdev_unlink(void)
 	TEST_ASSERT(ret >= 0, "Failed to unlink with NULL device%d",
 				 TEST_DEV_ID);
 
-	nb_queues = rte_event_queue_count(TEST_DEV_ID);
+	uint32_t queue_count;
+	TEST_ASSERT_SUCCESS(rte_event_dev_attr_get(TEST_DEV_ID,
+			    RTE_EVENT_DEV_ATTR_QUEUE_COUNT, &queue_count),
+			    "Queue count get failed");
+	nb_queues = queue_count;
 	for (i = 0; i < nb_queues; i++)
 		queues[i] = i;
 
@@ -636,7 +693,7 @@ test_eventdev_unlink(void)
 static int
 test_eventdev_link_get(void)
 {
-	int ret, nb_queues, i;
+	int ret, i;
 	uint8_t queues[RTE_EVENT_MAX_QUEUES_PER_DEV];
 	uint8_t priorities[RTE_EVENT_MAX_QUEUES_PER_DEV];
 
@@ -645,7 +702,11 @@ test_eventdev_link_get(void)
 	TEST_ASSERT(ret >= 0, "Failed to link with NULL device%d",
 				 TEST_DEV_ID);
 
-	nb_queues = rte_event_queue_count(TEST_DEV_ID);
+	uint32_t queue_count;
+	TEST_ASSERT_SUCCESS(rte_event_dev_attr_get(TEST_DEV_ID,
+			    RTE_EVENT_DEV_ATTR_QUEUE_COUNT, &queue_count),
+			    "Queue count get failed");
+	const int nb_queues = queue_count;
 	for (i = 0; i < nb_queues; i++)
 		queues[i] = i;
 
@@ -657,7 +718,6 @@ test_eventdev_link_get(void)
 	TEST_ASSERT(ret == 0, "(%d)Wrong link get=%d", TEST_DEV_ID, ret);
 
 	/* link all queues and get the links */
-	nb_queues = rte_event_queue_count(TEST_DEV_ID);
 	for (i = 0; i < nb_queues; i++) {
 		queues[i] = i;
 		priorities[i] = RTE_EVENT_DEV_PRIORITY_NORMAL;
@@ -687,8 +747,8 @@ test_eventdev_link_get(void)
 	ret = rte_event_port_unlink(TEST_DEV_ID, 0, NULL, 0);
 	TEST_ASSERT(ret == nb_queues, "Failed to unlink(device%d) ret=%d",
 				 TEST_DEV_ID, ret);
+
 	/* 4links and 2 unlinks */
-	nb_queues = rte_event_queue_count(TEST_DEV_ID);
 	if (nb_queues >= 4) {
 		for (i = 0; i < 4; i++) {
 			queues[i] = i;
diff --git a/test/test/test_eventdev_octeontx.c b/test/test/test_eventdev_octeontx.c
index 774d030..b88b0d2 100644
--- a/test/test/test_eventdev_octeontx.c
+++ b/test/test/test_eventdev_octeontx.c
@@ -193,8 +193,13 @@ _eventdev_setup(int mode)
 	ret = rte_event_dev_configure(evdev, &dev_conf);
 	TEST_ASSERT_SUCCESS(ret, "Failed to configure eventdev");
 
+	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");
+
 	if (mode == TEST_EVENTDEV_SETUP_PRIORITY) {
-		if (rte_event_queue_count(evdev) > 8) {
+		if (queue_count > 8) {
 			printf("test expects the unique priority per queue\n");
 			return -ENOTSUP;
 		}
@@ -204,8 +209,8 @@ _eventdev_setup(int mode)
 		 * RTE_EVENT_DEV_PRIORITY_LOWEST
 		 */
 		uint8_t step = (RTE_EVENT_DEV_PRIORITY_LOWEST + 1) /
-				rte_event_queue_count(evdev);
-		for (i = 0; i < rte_event_queue_count(evdev); i++) {
+				queue_count;
+		for (i = 0; i < (int)queue_count; i++) {
 			struct rte_event_queue_conf queue_conf;
 
 			ret = rte_event_queue_default_conf_get(evdev, i,
@@ -218,13 +223,17 @@ _eventdev_setup(int mode)
 
 	} else {
 		/* Configure event queues with default priority */
-		for (i = 0; i < rte_event_queue_count(evdev); i++) {
+		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);
 		}
 	}
 	/* Configure event ports */
-	for (i = 0; i < rte_event_port_count(evdev); i++) {
+	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);
 		ret = rte_event_port_link(evdev, i, NULL, NULL, 0);
@@ -335,6 +344,11 @@ generate_random_events(const unsigned int total_events)
 	unsigned int i;
 	int ret;
 
+	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");
+
 	ret = rte_event_dev_info_get(evdev, &info);
 	TEST_ASSERT_SUCCESS(ret, "Failed to get event dev info");
 	for (i = 0; i < total_events; i++) {
@@ -343,7 +357,7 @@ generate_random_events(const unsigned int total_events)
 			rte_rand() % (RTE_EVENT_TYPE_CPU + 1) /* event_type */,
 			rte_rand() % 256 /* sub_event_type */,
 			rte_rand() % (RTE_SCHED_TYPE_PARALLEL + 1),
-			rte_rand() % rte_event_queue_count(evdev) /* queue */,
+			rte_rand() % queue_count /* queue */,
 			0 /* port */,
 			1 /* events */);
 		if (ret)
@@ -482,7 +496,7 @@ test_multi_queue_enq_single_port_deq(void)
 }
 
 /*
- * Inject 0..MAX_EVENTS events over 0..rte_event_queue_count() with modulus
+ * Inject 0..MAX_EVENTS events over 0..queue_count with modulus
  * operation
  *
  * For example, Inject 32 events over 0..7 queues
@@ -498,15 +512,19 @@ test_multi_queue_enq_single_port_deq(void)
 static int
 validate_queue_priority(uint32_t index, uint8_t port, struct rte_event *ev)
 {
-	uint32_t range = MAX_EVENTS / rte_event_queue_count(evdev);
-	uint32_t expected_val = (index % range) * rte_event_queue_count(evdev);
+	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");
+	uint32_t range = MAX_EVENTS / queue_count;
+	uint32_t expected_val = (index % range) * queue_count;
 
 	expected_val += ev->queue_id;
 	RTE_SET_USED(port);
 	TEST_ASSERT_EQUAL(ev->mbuf->seqn, expected_val,
 	"seqn=%d index=%d expected=%d range=%d nb_queues=%d max_event=%d",
 			ev->mbuf->seqn, index, expected_val, range,
-			rte_event_queue_count(evdev), MAX_EVENTS);
+			queue_count, MAX_EVENTS);
 	return 0;
 }
 
@@ -518,8 +536,12 @@ test_multi_queue_priority(void)
 	int i, max_evts_roundoff;
 
 	/* See validate_queue_priority() comments for priority validate logic */
-	max_evts_roundoff  = MAX_EVENTS / rte_event_queue_count(evdev);
-	max_evts_roundoff *= rte_event_queue_count(evdev);
+	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");
+	max_evts_roundoff  = MAX_EVENTS / queue_count;
+	max_evts_roundoff *= queue_count;
 
 	for (i = 0; i < max_evts_roundoff; i++) {
 		struct rte_event ev = {.event = 0, .u64 = 0};
@@ -528,7 +550,7 @@ test_multi_queue_priority(void)
 		TEST_ASSERT_NOT_NULL(m, "mempool alloc failed");
 
 		m->seqn = i;
-		queue = i % rte_event_queue_count(evdev);
+		queue = i % queue_count;
 		update_event_and_validation_attr(m, &ev, 0, RTE_EVENT_TYPE_CPU,
 			0, RTE_SCHED_TYPE_PARALLEL, queue, 0);
 		rte_event_enqueue_burst(evdev, 0, &ev, 1);
@@ -651,18 +673,21 @@ static int
 test_multi_queue_enq_multi_port_deq(void)
 {
 	const unsigned int total_events = MAX_EVENTS;
-	uint8_t nr_ports;
+	uint32_t nr_ports;
 	int ret;
 
 	ret = generate_random_events(total_events);
 	if (ret)
 		return TEST_FAILED;
 
-	nr_ports = RTE_MIN(rte_event_port_count(evdev), rte_lcore_count() - 1);
+	TEST_ASSERT_SUCCESS(rte_event_dev_attr_get(evdev,
+				RTE_EVENT_DEV_ATTR_PORT_COUNT,
+				&nr_ports), "Port count get failed");
+	nr_ports = RTE_MIN(nr_ports, rte_lcore_count() - 1);
 
 	if (!nr_ports) {
 		printf("%s: Not enough ports=%d or workers=%d\n", __func__,
-			rte_event_port_count(evdev), rte_lcore_count() - 1);
+			nr_ports, rte_lcore_count() - 1);
 		return TEST_SUCCESS;
 	}
 
@@ -691,14 +716,23 @@ test_queue_to_port_single_link(void)
 {
 	int i, nr_links, ret;
 
+	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");
+
 	/* Unlink all connections that created in eventdev_setup */
-	for (i = 0; i < rte_event_port_count(evdev); i++) {
+	for (i = 0; i < (int)port_count; i++) {
 		ret = rte_event_port_unlink(evdev, i, NULL, 0);
 		TEST_ASSERT(ret >= 0, "Failed to unlink all queues port=%d", i);
 	}
 
-	nr_links = RTE_MIN(rte_event_port_count(evdev),
-				rte_event_queue_count(evdev));
+	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");
+
+	nr_links = RTE_MIN(port_count, queue_count);
 	const unsigned int total_events = MAX_EVENTS / nr_links;
 
 	/* Link queue x to port x and inject events to queue x through port x */
@@ -750,10 +784,20 @@ static int
 test_queue_to_port_multi_link(void)
 {
 	int ret, port0_events = 0, port1_events = 0;
-	uint8_t nr_queues, nr_ports, queue, port;
+	uint8_t queue, port;
+	uint32_t nr_queues = 0;
+	uint32_t nr_ports = 0;
+
+	TEST_ASSERT_SUCCESS(rte_event_dev_attr_get(evdev,
+			    RTE_EVENT_DEV_ATTR_QUEUE_COUNT,
+			    &nr_queues), "Queue count get failed");
 
-	nr_queues = rte_event_queue_count(evdev);
-	nr_ports = rte_event_port_count(evdev);
+	TEST_ASSERT_SUCCESS(rte_event_dev_attr_get(evdev,
+				RTE_EVENT_DEV_ATTR_QUEUE_COUNT,
+				&nr_queues), "Queue count get failed");
+	TEST_ASSERT_SUCCESS(rte_event_dev_attr_get(evdev,
+				RTE_EVENT_DEV_ATTR_PORT_COUNT,
+				&nr_ports), "Port count get failed");
 
 	if (nr_ports < 2) {
 		printf("%s: Not enough ports to test ports=%d\n",
@@ -854,14 +898,17 @@ test_multiport_flow_sched_type_test(uint8_t in_sched_type,
 			uint8_t out_sched_type)
 {
 	const unsigned int total_events = MAX_EVENTS;
-	uint8_t nr_ports;
+	uint32_t nr_ports;
 	int ret;
 
-	nr_ports = RTE_MIN(rte_event_port_count(evdev), rte_lcore_count() - 1);
+	TEST_ASSERT_SUCCESS(rte_event_dev_attr_get(evdev,
+				RTE_EVENT_DEV_ATTR_PORT_COUNT,
+				&nr_ports), "Port count get failed");
+	nr_ports = RTE_MIN(nr_ports, rte_lcore_count() - 1);
 
 	if (!nr_ports) {
 		printf("%s: Not enough ports=%d or workers=%d\n", __func__,
-			rte_event_port_count(evdev), rte_lcore_count() - 1);
+			nr_ports, rte_lcore_count() - 1);
 		return TEST_SUCCESS;
 	}
 
@@ -1007,15 +1054,23 @@ test_multiport_queue_sched_type_test(uint8_t in_sched_type,
 			uint8_t out_sched_type)
 {
 	const unsigned int total_events = MAX_EVENTS;
-	uint8_t nr_ports;
+	uint32_t nr_ports;
 	int ret;
 
-	nr_ports = RTE_MIN(rte_event_port_count(evdev), rte_lcore_count() - 1);
+	TEST_ASSERT_SUCCESS(rte_event_dev_attr_get(evdev,
+				RTE_EVENT_DEV_ATTR_PORT_COUNT,
+				&nr_ports), "Port count get failed");
+
+	nr_ports = RTE_MIN(nr_ports, rte_lcore_count() - 1);
 
-	if (rte_event_queue_count(evdev) < 2 ||  !nr_ports) {
+	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");
+	if (queue_count < 2 ||  !nr_ports) {
 		printf("%s: Not enough queues=%d ports=%d or workers=%d\n",
-			 __func__, rte_event_queue_count(evdev),
-			rte_event_port_count(evdev), rte_lcore_count() - 1);
+			 __func__, queue_count, nr_ports,
+			 rte_lcore_count() - 1);
 		return TEST_SUCCESS;
 	}
 
@@ -1142,14 +1197,17 @@ worker_flow_based_pipeline_max_stages_rand_sched_type(void *arg)
 static int
 launch_multi_port_max_stages_random_sched_type(int (*fn)(void *))
 {
-	uint8_t nr_ports;
+	uint32_t nr_ports;
 	int ret;
 
-	nr_ports = RTE_MIN(rte_event_port_count(evdev), rte_lcore_count() - 1);
+	TEST_ASSERT_SUCCESS(rte_event_dev_attr_get(evdev,
+				RTE_EVENT_DEV_ATTR_PORT_COUNT,
+				&nr_ports), "Port count get failed");
+	nr_ports = RTE_MIN(nr_ports, rte_lcore_count() - 1);
 
 	if (!nr_ports) {
 		printf("%s: Not enough ports=%d or workers=%d\n", __func__,
-			rte_event_port_count(evdev), rte_lcore_count() - 1);
+			nr_ports, rte_lcore_count() - 1);
 		return TEST_SUCCESS;
 	}
 
@@ -1184,7 +1242,11 @@ worker_queue_based_pipeline_max_stages_rand_sched_type(void *arg)
 	struct rte_event ev;
 	uint16_t valid_event;
 	uint8_t port = param->port;
-	uint8_t nr_queues = rte_event_queue_count(evdev);
+	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");
+	uint8_t nr_queues = queue_count;
 	rte_atomic32_t *total_events = param->total_events;
 
 	while (rte_atomic32_read(total_events) > 0) {
@@ -1222,7 +1284,11 @@ worker_mixed_pipeline_max_stages_rand_sched_type(void *arg)
 	struct rte_event ev;
 	uint16_t valid_event;
 	uint8_t port = param->port;
-	uint8_t nr_queues = rte_event_queue_count(evdev);
+	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");
+	uint8_t nr_queues = queue_count;
 	rte_atomic32_t *total_events = param->total_events;
 
 	while (rte_atomic32_read(total_events) > 0) {
@@ -1288,9 +1354,12 @@ worker_ordered_flow_producer(void *arg)
 static inline int
 test_producer_consumer_ingress_order_test(int (*fn)(void *))
 {
-	uint8_t nr_ports;
+	uint32_t nr_ports;
 
-	nr_ports = RTE_MIN(rte_event_port_count(evdev), rte_lcore_count() - 1);
+	TEST_ASSERT_SUCCESS(rte_event_dev_attr_get(evdev,
+				RTE_EVENT_DEV_ATTR_PORT_COUNT,
+				&nr_ports), "Port count get failed");
+	nr_ports = RTE_MIN(nr_ports, rte_lcore_count() - 1);
 
 	if (rte_lcore_count() < 3 || nr_ports < 2) {
 		printf("### Not enough cores for %s test.\n", __func__);
-- 
2.7.4



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