bbdev: new queue stat for available enqueue depth

Capturing additional queue stats counter for the depth of enqueue batch still available on the given queue. This can help application to monitor that depth at run time. Signed-off-by: Nicolas Chautru <nicolas.chautru@intel.com> Reviewed-by: Maxime Coquelin <maxime.coquelin@redhat.com>
DPDK · Sep 13, 2024 · 09f3c66 · 09f3c66
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diff --git a/doc/guides/rel_notes/release_24_11.rst b/doc/guides/rel_notes/release_24_11.rst
@@ -88,6 +88,9 @@ API Changes
 ABI Changes
 -----------
 
+  * bbdev: Structure ``rte_bbdev_stats`` was updated to add new parameter
+    to optionally report number of enqueue batch available ``enqueue_depth_avail``.
+
 .. This section should contain ABI changes. Sample format:
 
    * sample: Add a short 1-2 sentence description of the ABI change

diff --git a/lib/bbdev/rte_bbdev.h b/lib/bbdev/rte_bbdev.h
@@ -283,6 +283,8 @@ struct rte_bbdev_stats {
 	 *     bbdev operation
 	 */
 	uint64_t acc_offload_cycles;
+	/** Available number of enqueue batch on that queue. */
+	uint16_t enqueue_depth_avail;
 };
 
 /**