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From: Bruce Richardson <bruce.richardson@intel.com>
To: dev@dpdk.org
Cc: jerinj@marvell.com, mattias.ronnblom@ericsson.com,
	abdullah.sevincer@intel.com, sachin.saxena@oss.nxp.com,
	hemant.agrawal@nxp.com, pbhagavatula@marvell.com,
	pravin.pathak@intel.com,
	Bruce Richardson <bruce.richardson@intel.com>
Subject: [PATCH v2 09/11] eventdev: improve doxygen comments for control APIs
Date: Fri, 19 Jan 2024 17:43:44 +0000	[thread overview]
Message-ID: <20240119174346.108905-10-bruce.richardson@intel.com> (raw)
In-Reply-To: <20240119174346.108905-1-bruce.richardson@intel.com>

The doxygen comments for the port attributes, start and stop (and
related functions) are improved.

Signed-off-by: Bruce Richardson <bruce.richardson@intel.com>
---
 lib/eventdev/rte_eventdev.h | 34 +++++++++++++++++++++++-----------
 1 file changed, 23 insertions(+), 11 deletions(-)

diff --git a/lib/eventdev/rte_eventdev.h b/lib/eventdev/rte_eventdev.h
index 1fda8a5a13..2c6576e921 100644
--- a/lib/eventdev/rte_eventdev.h
+++ b/lib/eventdev/rte_eventdev.h
@@ -1117,19 +1117,21 @@ rte_event_port_quiesce(uint8_t dev_id, uint8_t port_id,
 		       rte_eventdev_port_flush_t release_cb, void *args);
 
 /**
- * The queue depth of the port on the enqueue side
+ * Port attribute id for the maximum size of a burst enqueue operation supported on a port
  */
 #define RTE_EVENT_PORT_ATTR_ENQ_DEPTH 0
 /**
- * The queue depth of the port on the dequeue side
+ * Port attribute id for the maximum size of a dequeue burst which can be returned from a port
  */
 #define RTE_EVENT_PORT_ATTR_DEQ_DEPTH 1
 /**
- * The new event threshold of the port
+ * Port attribute id for the new event threshold of the port.
+ * Once the number of events in the system exceeds this threshold, the enqueue of NEW-type
+ * events will fail.
  */
 #define RTE_EVENT_PORT_ATTR_NEW_EVENT_THRESHOLD 2
 /**
- * The implicit release disable attribute of the port
+ * Port attribute id for the implicit release disable attribute of the port
  */
 #define RTE_EVENT_PORT_ATTR_IMPLICIT_RELEASE_DISABLE 3
 
@@ -1137,11 +1139,13 @@ rte_event_port_quiesce(uint8_t dev_id, uint8_t port_id,
  * Get an attribute from a port.
  *
  * @param dev_id
- *   Eventdev id
+ *   The identifier of the device.
  * @param port_id
- *   Eventdev port id
+ *   The index of the event port to query. The value must be in the range
+ *   [0, @ref rte_event_dev_config.nb_event_ports - 1]
+ *   previously supplied to rte_event_dev_configure().
  * @param attr_id
- *   The attribute ID to retrieve
+ *   The attribute ID to retrieve (RTE_EVENT_PORT_ATTR_*)
  * @param[out] attr_value
  *   A pointer that will be filled in with the attribute value if successful
  *
@@ -1156,8 +1160,8 @@ rte_event_port_attr_get(uint8_t dev_id, uint8_t port_id, uint32_t attr_id,
 /**
  * Start an event device.
  *
- * The device start step is the last one and consists of setting the event
- * queues to start accepting the events and schedules to event ports.
+ * The device start step is the last one in device setup, and enables the event
+ * ports and queues to start accepting events and scheduling them to event ports.
  *
  * On success, all basic functions exported by the API (event enqueue,
  * event dequeue and so on) can be invoked.
@@ -1166,6 +1170,8 @@ rte_event_port_attr_get(uint8_t dev_id, uint8_t port_id, uint32_t attr_id,
  *   Event device identifier
  * @return
  *   - 0: Success, device started.
+ *   - -EINVAL:  Invalid device id provided
+ *   - -ENOTSUP: Device does not support this operation.
  *   - -ESTALE : Not all ports of the device are configured
  *   - -ENOLINK: Not all queues are linked, which could lead to deadlock.
  */
@@ -1208,12 +1214,16 @@ typedef void (*rte_eventdev_stop_flush_t)(uint8_t dev_id,
  * callback function must be registered in every process that can call
  * rte_event_dev_stop().
  *
+ * Only one callback function may be registered. Each new call replaces
+ * the existing registered callback function with the new function passed in.
+ *
  * To unregister a callback, call this function with a NULL callback pointer.
  *
  * @param dev_id
  *   The identifier of the device.
  * @param callback
- *   Callback function invoked once per flushed event.
+ *   Callback function to be invoked once per flushed event.
+ *   Pass NULL to unset any previously-registered callback function.
  * @param userdata
  *   Argument supplied to callback.
  *
@@ -1235,7 +1245,9 @@ int rte_event_dev_stop_flush_callback_register(uint8_t dev_id,
  * @return
  *  - 0 on successfully closing device
  *  - <0 on failure to close device
- *  - (-EAGAIN) if device is busy
+ *    - -EINVAL - invalid device id
+ *    - -ENOTSUP - operation not supported for this device
+ *    - -EAGAIN - device is busy
  */
 int
 rte_event_dev_close(uint8_t dev_id);
-- 
2.40.1


  parent reply	other threads:[~2024-01-19 17:45 UTC|newest]

Thread overview: 123+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-01-18 13:45 [PATCH v1 0/7] improve eventdev API specification/documentation Bruce Richardson
2024-01-18 13:45 ` [PATCH v1 1/7] eventdev: improve doxygen introduction text Bruce Richardson
2024-01-18 13:45 ` [PATCH v1 2/7] eventdev: move text on driver internals to proper section Bruce Richardson
2024-01-18 13:45 ` [PATCH v1 3/7] eventdev: update documentation on device capability flags Bruce Richardson
2024-01-18 13:45 ` [PATCH v1 4/7] eventdev: cleanup doxygen comments on info structure Bruce Richardson
2024-01-18 13:49   ` Bruce Richardson
2024-01-18 13:45 ` [PATCH v1 5/7] eventdev: improve function documentation for query fns Bruce Richardson
2024-01-18 13:45 ` [PATCH v1 6/7] eventdev: improve doxygen comments on configure struct Bruce Richardson
2024-01-18 13:45 ` [PATCH v1 7/7] eventdev: fix documentation for counting single-link ports Bruce Richardson
2024-01-19 17:43 ` [PATCH v2 00/11] improve eventdev API specification/documentation Bruce Richardson
2024-01-19 17:43   ` [PATCH v2 01/11] eventdev: improve doxygen introduction text Bruce Richardson
2024-01-23  8:57     ` Mattias Rönnblom
2024-01-23  9:06       ` Bruce Richardson
2024-01-24 11:37         ` Mattias Rönnblom
2024-01-31 13:45       ` Bruce Richardson
2024-01-19 17:43   ` [PATCH v2 02/11] eventdev: move text on driver internals to proper section Bruce Richardson
2024-01-19 17:43   ` [PATCH v2 03/11] eventdev: update documentation on device capability flags Bruce Richardson
2024-01-23  9:18     ` Mattias Rönnblom
2024-01-23  9:34       ` Bruce Richardson
2024-01-31 14:09       ` Bruce Richardson
2024-02-02  8:58         ` Mattias Rönnblom
2024-02-02 11:20           ` Bruce Richardson
2024-01-19 17:43   ` [PATCH v2 04/11] eventdev: cleanup doxygen comments on info structure Bruce Richardson
2024-01-23  9:35     ` Mattias Rönnblom
2024-01-23  9:43       ` Bruce Richardson
2024-01-24 11:51         ` Mattias Rönnblom
2024-01-31 14:37           ` Bruce Richardson
2024-02-02  9:24             ` Mattias Rönnblom
2024-02-02 10:30               ` Bruce Richardson
2024-01-19 17:43   ` [PATCH v2 05/11] eventdev: improve function documentation for query fns Bruce Richardson
2024-01-23  9:40     ` Mattias Rönnblom
2024-01-19 17:43   ` [PATCH v2 06/11] eventdev: improve doxygen comments on configure struct Bruce Richardson
2024-01-23  9:46     ` Mattias Rönnblom
2024-01-31 16:15       ` Bruce Richardson
2024-01-19 17:43   ` [PATCH v2 07/11] eventdev: fix documentation for counting single-link ports Bruce Richardson
2024-01-23  9:48     ` Mattias Rönnblom
2024-01-23  9:56       ` Bruce Richardson
2024-01-31 16:18         ` Bruce Richardson
2024-01-19 17:43   ` [PATCH v2 08/11] eventdev: improve doxygen comments on config fns Bruce Richardson
2024-01-23 10:00     ` Mattias Rönnblom
2024-01-23 10:07       ` Bruce Richardson
2024-01-19 17:43   ` Bruce Richardson [this message]
2024-01-23 10:10     ` [PATCH v2 09/11] eventdev: improve doxygen comments for control APIs Mattias Rönnblom
2024-01-19 17:43   ` [PATCH v2 10/11] eventdev: RFC clarify comments on scheduling types Bruce Richardson
2024-01-23 16:19     ` Mattias Rönnblom
2024-01-24 11:21       ` Bruce Richardson
2024-01-31 17:54       ` Bruce Richardson
2024-01-19 17:43   ` [PATCH v2 11/11] eventdev: RFC clarify docs on event object fields Bruce Richardson
2024-01-24 11:34     ` Mattias Rönnblom
2024-02-01 16:59       ` Bruce Richardson
2024-02-02  9:38         ` Mattias Rönnblom
2024-02-02 11:33           ` Bruce Richardson
2024-02-02 12:02             ` Bruce Richardson
2024-02-01 17:02       ` Bruce Richardson
2024-02-02  9:14         ` Bruce Richardson
2024-02-02  9:22         ` Jerin Jacob
2024-02-02  9:36           ` Bruce Richardson
2024-02-02  9:45         ` Mattias Rönnblom
2024-02-02 10:32           ` Bruce Richardson
2024-02-01  9:35     ` Bruce Richardson
2024-02-01 15:00       ` Jerin Jacob
2024-02-01 15:24         ` Bruce Richardson
2024-02-01 16:20           ` Jerin Jacob
2024-02-02 12:39   ` [PATCH v3 00/11] improve eventdev API specification/documentation Bruce Richardson
2024-02-02 12:39     ` [PATCH v3 01/11] eventdev: improve doxygen introduction text Bruce Richardson
2024-02-07 10:14       ` Jerin Jacob
2024-02-08  9:50         ` Mattias Rönnblom
2024-02-09  8:43           ` Jerin Jacob
2024-02-10  7:24             ` Mattias Rönnblom
2024-02-20 16:28               ` Bruce Richardson
2024-02-20 16:33         ` Bruce Richardson
2024-02-02 12:39     ` [PATCH v3 02/11] eventdev: move text on driver internals to proper section Bruce Richardson
2024-02-02 12:39     ` [PATCH v3 03/11] eventdev: update documentation on device capability flags Bruce Richardson
2024-02-07 10:30       ` Jerin Jacob
2024-02-20 16:42         ` Bruce Richardson
2024-02-02 12:39     ` [PATCH v3 04/11] eventdev: cleanup doxygen comments on info structure Bruce Richardson
2024-02-02 12:39     ` [PATCH v3 05/11] eventdev: improve function documentation for query fns Bruce Richardson
2024-02-02 12:39     ` [PATCH v3 06/11] eventdev: improve doxygen comments on configure struct Bruce Richardson
2024-02-02 12:39     ` [PATCH v3 07/11] eventdev: improve doxygen comments on config fns Bruce Richardson
2024-02-02 12:39     ` [PATCH v3 08/11] eventdev: improve doxygen comments for control APIs Bruce Richardson
2024-02-02 12:39     ` [PATCH v3 09/11] eventdev: improve comments on scheduling types Bruce Richardson
2024-02-08  9:18       ` Jerin Jacob
2024-02-08 10:04         ` Mattias Rönnblom
2024-02-20 17:23           ` Bruce Richardson
2024-02-02 12:39     ` [PATCH v3 10/11] eventdev: clarify docs on event object fields and op types Bruce Richardson
2024-02-09  9:14       ` Jerin Jacob
2024-02-20 17:39         ` Bruce Richardson
2024-02-21  9:31           ` Jerin Jacob
2024-02-21 10:28             ` Bruce Richardson
2024-02-20 17:50         ` Bruce Richardson
2024-02-20 18:03         ` Bruce Richardson
2024-02-02 12:39     ` [PATCH v3 11/11] eventdev: drop comment for anon union from doxygen Bruce Richardson
2024-02-21 10:32   ` [PATCH v4 00/12] improve eventdev API specification/documentation Bruce Richardson
2024-02-21 10:32     ` [PATCH v4 01/12] eventdev: improve doxygen introduction text Bruce Richardson
2024-02-26  4:51       ` [EXT] " Pavan Nikhilesh Bhagavatula
2024-02-26  9:59         ` Bruce Richardson
2024-02-29 16:13           ` Jerin Jacob
2024-02-21 10:32     ` [PATCH v4 02/12] eventdev: move text on driver internals to proper section Bruce Richardson
2024-02-26  5:01       ` [EXT] " Pavan Nikhilesh Bhagavatula
2024-02-21 10:32     ` [PATCH v4 03/12] eventdev: update documentation on device capability flags Bruce Richardson
2024-02-26  5:07       ` [EXT] " Pavan Nikhilesh Bhagavatula
2024-02-21 10:32     ` [PATCH v4 04/12] eventdev: cleanup doxygen comments on info structure Bruce Richardson
2024-02-26  5:18       ` [EXT] " Pavan Nikhilesh Bhagavatula
2024-02-21 10:32     ` [PATCH v4 05/12] eventdev: improve function documentation for query fns Bruce Richardson
2024-02-26  5:18       ` [EXT] " Pavan Nikhilesh Bhagavatula
2024-02-21 10:32     ` [PATCH v4 06/12] eventdev: improve doxygen comments on configure struct Bruce Richardson
2024-02-26  6:36       ` [EXT] " Pavan Nikhilesh Bhagavatula
2024-02-21 10:32     ` [PATCH v4 07/12] eventdev: improve doxygen comments on config fns Bruce Richardson
2024-02-26  6:43       ` [EXT] " Pavan Nikhilesh Bhagavatula
2024-02-26  6:44         ` Pavan Nikhilesh Bhagavatula
2024-02-21 10:32     ` [PATCH v4 08/12] eventdev: improve doxygen comments for control APIs Bruce Richardson
2024-02-26  6:44       ` [EXT] " Pavan Nikhilesh Bhagavatula
2024-02-21 10:32     ` [PATCH v4 09/12] eventdev: improve comments on scheduling types Bruce Richardson
2024-02-26  6:49       ` [EXT] " Pavan Nikhilesh Bhagavatula
2024-02-21 10:32     ` [PATCH v4 10/12] eventdev: clarify docs on event object fields and op types Bruce Richardson
2024-02-26  6:52       ` [EXT] " Pavan Nikhilesh Bhagavatula
2024-02-21 10:32     ` [PATCH v4 11/12] eventdev: drop comment for anon union from doxygen Bruce Richardson
2024-02-26  6:52       ` [EXT] " Pavan Nikhilesh Bhagavatula
2024-02-21 10:32     ` [PATCH v4 12/12] eventdev: fix doxygen processing of event vector struct Bruce Richardson
2024-02-26  6:53       ` [EXT] " Pavan Nikhilesh Bhagavatula
2024-03-04 15:35       ` Thomas Monjalon
2024-03-04 15:49         ` Bruce Richardson
2024-02-23 12:36     ` [PATCH v4 00/12] improve eventdev API specification/documentation Jerin Jacob

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