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eventdev: add device started attribute

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This commit adds an attribute to the eventdev, allowing applications
to retrieve if the eventdev is running or stopped. Note that no API
or ABI changes were required in adding the statistic, and code changes
are minimal.

Signed-off-by: Harry van Haaren <harry.van.haaren@intel.com>
Acked-by: Jerin Jacob <jerin.jacob@caviumnetworks.com>
This commit is contained in:
Harry van Haaren 2017-09-20 14:36:02 +01:00 committed by Jerin Jacob
parent 783bdfef7e
commit 44f3b4a4b5
2 changed files with 7 additions and 0 deletions
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3
lib/librte_eventdev/rte_eventdev.c
View File

@ -744,6 +744,9 @@ rte_event_dev_attr_get(uint8_t dev_id, uint32_t attr_id,
case RTE_EVENT_DEV_ATTR_QUEUE_COUNT:
*attr_value = dev->data->nb_queues;
break;
case RTE_EVENT_DEV_ATTR_STARTED:
*attr_value = dev->data->dev_started;
break;
default:
return -EINVAL;
}

4
lib/librte_eventdev/rte_eventdev.h
View File

@ -407,6 +407,10 @@ rte_event_dev_info_get(uint8_t dev_id, struct rte_event_dev_info *dev_info);
* The count of queues.
*/
#define RTE_EVENT_DEV_ATTR_QUEUE_COUNT 1
/**
* The status of the device, zero for stopped, non-zero for started.
*/
#define RTE_EVENT_DEV_ATTR_STARTED 2
/**
* Get an attribute from a device.