[v8,6/7] bbdev: add queue related warning and status information

diff --git a/app/test-bbdev/test_bbdev_perf.c b/app/test-bbdev/test_bbdev_perf.c
index 1abda2d..653b21f 100644
--- a/app/test-bbdev/test_bbdev_perf.c
+++ b/app/test-bbdev/test_bbdev_perf.c
@@ -4360,6 +4360,8 @@  typedef int (test_case_function)(struct active_device *ad,
 	stats->dequeued_count = q_stats->dequeued_count;
 	stats->enqueue_err_count = q_stats->enqueue_err_count;
 	stats->dequeue_err_count = q_stats->dequeue_err_count;
+	stats->enqueue_warning_count = q_stats->enqueue_warning_count;
+	stats->dequeue_warning_count = q_stats->dequeue_warning_count;
 	stats->acc_offload_cycles = q_stats->acc_offload_cycles;
 
 	return 0;
diff --git a/lib/bbdev/rte_bbdev.c b/lib/bbdev/rte_bbdev.c
index 9d65ba8..bdd7c2f 100644
--- a/lib/bbdev/rte_bbdev.c
+++ b/lib/bbdev/rte_bbdev.c
@@ -721,6 +721,8 @@  struct rte_bbdev *
 		stats->dequeued_count += q_stats->dequeued_count;
 		stats->enqueue_err_count += q_stats->enqueue_err_count;
 		stats->dequeue_err_count += q_stats->dequeue_err_count;
+		stats->enqueue_warn_count += q_stats->enqueue_warn_count;
+		stats->dequeue_warn_count += q_stats->dequeue_warn_count;
 	}
 	rte_bbdev_log_debug("Got stats on %u", dev->data->dev_id);
 }
@@ -1163,3 +1165,20 @@  struct rte_mempool *
 	rte_bbdev_log(ERR, "Invalid device status");
 	return NULL;
 }
+
+const char *
+rte_bbdev_enqueue_status_str(enum rte_bbdev_enqueue_status status)
+{
+	static const char * const enq_sta_string[] = {
+		"RTE_BBDEV_ENQ_STATUS_NONE",
+		"RTE_BBDEV_ENQ_STATUS_QUEUE_FULL",
+		"RTE_BBDEV_ENQ_STATUS_RING_FULL",
+		"RTE_BBDEV_ENQ_STATUS_INVALID_OP",
+	};
+
+	if (status < sizeof(enq_sta_string) / sizeof(char *))
+		return enq_sta_string[status];
+
+	rte_bbdev_log(ERR, "Invalid enqueue status");
+	return NULL;
+}
diff --git a/lib/bbdev/rte_bbdev.h b/lib/bbdev/rte_bbdev.h
index ed30763..f639852 100644
--- a/lib/bbdev/rte_bbdev.h
+++ b/lib/bbdev/rte_bbdev.h
@@ -224,6 +224,19 @@  struct rte_bbdev_queue_conf {
 rte_bbdev_queue_stop(uint16_t dev_id, uint16_t queue_id);
 
 /**
+ * Flags indicate the reason why a previous enqueue may not have
+ * consumed all requested operations
+ * In case of multiple reasons the latter supersedes a previous one
+ */
+enum rte_bbdev_enqueue_status {
+	RTE_BBDEV_ENQ_STATUS_NONE,             /**< Nothing to report */
+	RTE_BBDEV_ENQ_STATUS_QUEUE_FULL,       /**< Not enough room in queue */
+	RTE_BBDEV_ENQ_STATUS_RING_FULL,        /**< Not enough room in ring */
+	RTE_BBDEV_ENQ_STATUS_INVALID_OP,       /**< Operation was rejected as invalid */
+	RTE_BBDEV_ENQ_STATUS_PADDED_MAX = 6,   /**< Maximum enq status number including padding */
+};
+
+/**
  * Flags indicate the status of the device
  */
 enum rte_bbdev_device_status {
@@ -246,6 +259,12 @@  struct rte_bbdev_stats {
 	uint64_t enqueue_err_count;
 	/** Total error count on operations dequeued */
 	uint64_t dequeue_err_count;
+	/** Total warning count on operations enqueued */
+	uint64_t enqueue_warn_count;
+	/** Total warning count on operations dequeued */
+	uint64_t dequeue_warn_count;
+	/** Total enqueue status count based on rte_bbdev_enqueue_status enum */
+	uint64_t enqueue_status_count[RTE_BBDEV_ENQ_STATUS_PADDED_MAX];
 	/** CPU cycles consumed by the (HW/SW) accelerator device to offload
 	 *  the enqueue request to its internal queues.
 	 *  - For a HW device this is the cycles consumed in MMIO write
@@ -386,6 +405,7 @@  struct rte_bbdev_queue_data {
 	void *queue_private;  /**< Driver-specific per-queue data */
 	struct rte_bbdev_queue_conf conf;  /**< Current configuration */
 	struct rte_bbdev_stats queue_stats;  /**< Queue statistics */
+	enum rte_bbdev_enqueue_status enqueue_status; /**< Enqueue status when op is rejected */
 	bool started;  /**< Queue state */
 };
 
@@ -938,6 +958,20 @@  typedef void (*rte_bbdev_cb_fn)(uint16_t dev_id,
 const char*
 rte_bbdev_device_status_str(enum rte_bbdev_device_status status);
 
+/**
+ * Converts queue status from enum to string
+ *
+ * @param status
+ *   Queue status as enum
+ *
+ * @returns
+ *  Queue status as string or NULL if op_type is invalid
+ *
+ */
+__rte_experimental
+const char*
+rte_bbdev_enqueue_status_str(enum rte_bbdev_enqueue_status status);
+
 #ifdef __cplusplus
 }
 #endif
diff --git a/lib/bbdev/version.map b/lib/bbdev/version.map
index 0cbeab3..f5e2dd7 100644
--- a/lib/bbdev/version.map
+++ b/lib/bbdev/version.map
@@ -45,6 +45,7 @@  EXPERIMENTAL {
 
 	# added in 22.11
 	rte_bbdev_device_status_str;
+	rte_bbdev_enqueue_status_str;
 	rte_bbdev_enqueue_fft_ops;
 	rte_bbdev_dequeue_fft_ops;
 	rte_bbdev_fft_op_alloc_bulk;