event/dlb2: update config defines as runtime options

The new devarg names and their default values
are listed below. The defaults have not changed, and
none of these parameters are accessed in the fast path.

poll_interval=1000
sw_credit_quantai=32
default_depth_thresh=256

Signed-off-by: Timothy McDaniel <timothy.mcdaniel@intel.com>

config/rte_config.h

@@ -140,10 +140,6 @@
 #define RTE_LIBRTE_QEDE_FW ""
 
 /* DLB2 defines */
-#define RTE_LIBRTE_PMD_DLB2_POLL_INTERVAL 1000
-#define RTE_LIBRTE_PMD_DLB2_UMWAIT_CTL_STATE  0
 #undef RTE_LIBRTE_PMD_DLB2_QUELL_STATS
-#define RTE_LIBRTE_PMD_DLB2_SW_CREDIT_QUANTA 32
-#define RTE_PMD_DLB2_DEFAULT_DEPTH_THRESH 256
 
 #endif /* _RTE_CONFIG_H_ */

drivers/event/dlb2/dlb2.c

@@ -315,6 +315,66 @@ set_cos(const char *key __rte_unused,
 	return 0;
 }
 
+static int
+set_poll_interval(const char *key __rte_unused,
+	const char *value,
+	void *opaque)
+{
+	int *poll_interval = opaque;
+	int ret;
+
+	if (value == NULL || opaque == NULL) {
+		DLB2_LOG_ERR("NULL pointer\n");
+		return -EINVAL;
+	}
+
+	ret = dlb2_string_to_int(poll_interval, value);
+	if (ret < 0)
+		return ret;
+
+	return 0;
+}
+
+static int
+set_sw_credit_quanta(const char *key __rte_unused,
+	const char *value,
+	void *opaque)
+{
+	int *sw_credit_quanta = opaque;
+	int ret;
+
+	if (value == NULL || opaque == NULL) {
+		DLB2_LOG_ERR("NULL pointer\n");
+		return -EINVAL;
+	}
+
+	ret = dlb2_string_to_int(sw_credit_quanta, value);
+	if (ret < 0)
+		return ret;
+
+	return 0;
+}
+
+static int
+set_default_depth_thresh(const char *key __rte_unused,
+	const char *value,
+	void *opaque)
+{
+	int *default_depth_thresh = opaque;
+	int ret;
+
+	if (value == NULL || opaque == NULL) {
+		DLB2_LOG_ERR("NULL pointer\n");
+		return -EINVAL;
+	}
+
+	ret = dlb2_string_to_int(default_depth_thresh, value);
+	if (ret < 0)
+		return ret;
+
+	return 0;
+}
+
 static int
 set_qid_depth_thresh(const char *key __rte_unused,
 		     const char *value,
@@ -667,15 +727,8 @@ dlb2_eventdev_configure(const struct rte_eventdev *dev)
 	}
 
 	/* Does this platform support umonitor/umwait? */
-	if (rte_cpu_get_flag_enabled(RTE_CPUFLAG_WAITPKG)) {
+	if (rte_cpu_get_flag_enabled(RTE_CPUFLAG_WAITPKG))
-		if (RTE_LIBRTE_PMD_DLB2_UMWAIT_CTL_STATE != 0 &&
-		    RTE_LIBRTE_PMD_DLB2_UMWAIT_CTL_STATE != 1) {
-			DLB2_LOG_ERR("invalid value (%d) for RTE_LIBRTE_PMD_DLB2_UMWAIT_CTL_STATE, must be 0 or 1.\n",
-				     RTE_LIBRTE_PMD_DLB2_UMWAIT_CTL_STATE);
-			return -EINVAL;
-		}
 		dlb2->umwait_allowed = true;
-	}
 
 	rsrcs->num_dir_ports = config->nb_single_link_event_port_queues;
 	rsrcs->num_ldb_ports  = config->nb_event_ports - rsrcs->num_dir_ports;
@@ -930,8 +983,9 @@ dlb2_hw_create_ldb_queue(struct dlb2_eventdev *dlb2,
 	}
 
 	if (ev_queue->depth_threshold == 0) {
-		cfg.depth_threshold = RTE_PMD_DLB2_DEFAULT_DEPTH_THRESH;
+		cfg.depth_threshold = dlb2->default_depth_thresh;
-		ev_queue->depth_threshold = RTE_PMD_DLB2_DEFAULT_DEPTH_THRESH;
+		ev_queue->depth_threshold =
+			dlb2->default_depth_thresh;
 	} else
 		cfg.depth_threshold = ev_queue->depth_threshold;
 
@@ -1623,7 +1677,7 @@ dlb2_eventdev_port_setup(struct rte_eventdev *dev,
 		  RTE_EVENT_PORT_CFG_DISABLE_IMPL_REL);
 	ev_port->outstanding_releases = 0;
 	ev_port->inflight_credits = 0;
-	ev_port->credit_update_quanta = RTE_LIBRTE_PMD_DLB2_SW_CREDIT_QUANTA;
+	ev_port->credit_update_quanta = dlb2->sw_credit_quanta;
 	ev_port->dlb2 = dlb2; /* reverse link */
 
 	/* Tear down pre-existing port->queue links */
@@ -1718,8 +1772,9 @@ dlb2_hw_create_dir_queue(struct dlb2_eventdev *dlb2,
 	cfg.port_id = qm_port_id;
 
 	if (ev_queue->depth_threshold == 0) {
-		cfg.depth_threshold = RTE_PMD_DLB2_DEFAULT_DEPTH_THRESH;
+		cfg.depth_threshold = dlb2->default_depth_thresh;
-		ev_queue->depth_threshold = RTE_PMD_DLB2_DEFAULT_DEPTH_THRESH;
+		ev_queue->depth_threshold =
+			dlb2->default_depth_thresh;
 	} else
 		cfg.depth_threshold = ev_queue->depth_threshold;
 
@@ -2747,7 +2802,7 @@ dlb2_event_enqueue_prep(struct dlb2_eventdev_port *ev_port,
 	DLB2_INC_STAT(ev_port->stats.tx_op_cnt[ev->op], 1);
 	DLB2_INC_STAT(ev_port->stats.traffic.tx_ok, 1);
 
-#ifndef RTE_LIBRTE_PMD_DLB2_QUELL_STATS
+#ifndef RTE_LIBRTE_PMD_DLB_QUELL_STATS
 	if (ev->op != RTE_EVENT_OP_RELEASE) {
 		DLB2_INC_STAT(ev_port->stats.queue[ev->queue_id].enq_ok, 1);
 		DLB2_INC_STAT(ev_port->stats.tx_sched_cnt[*sched_type], 1);
@@ -3070,7 +3125,7 @@ dlb2_dequeue_wait(struct dlb2_eventdev *dlb2,
 
 		DLB2_INC_STAT(ev_port->stats.traffic.rx_umonitor_umwait, 1);
 	} else {
-		uint64_t poll_interval = RTE_LIBRTE_PMD_DLB2_POLL_INTERVAL;
+		uint64_t poll_interval = dlb2->poll_interval;
 		uint64_t curr_ticks = rte_get_timer_cycles();
 		uint64_t init_ticks = curr_ticks;
 
@@ -4025,6 +4080,9 @@ dlb2_primary_eventdev_probe(struct rte_eventdev *dev,
 	dlb2->max_num_events_override = dlb2_args->max_num_events;
 	dlb2->num_dir_credits_override = dlb2_args->num_dir_credits_override;
 	dlb2->qm_instance.cos_id = dlb2_args->cos_id;
+	dlb2->poll_interval = dlb2_args->poll_interval;
+	dlb2->sw_credit_quanta = dlb2_args->sw_credit_quanta;
+	dlb2->default_depth_thresh = dlb2_args->default_depth_thresh;
 
 	err = dlb2_iface_open(&dlb2->qm_instance, name);
 	if (err < 0) {
@@ -4125,6 +4183,9 @@ dlb2_parse_params(const char *params,
 					     DEV_ID_ARG,
 					     DLB2_QID_DEPTH_THRESH_ARG,
 					     DLB2_COS_ARG,
+					     DLB2_POLL_INTERVAL_ARG,
+					     DLB2_SW_CREDIT_QUANTA_ARG,
+					     DLB2_DEPTH_THRESH_ARG,
 					     NULL };
 
 	if (params != NULL && params[0] != '\0') {
@@ -4207,6 +4268,37 @@ dlb2_parse_params(const char *params,
 				return ret;
 			}
 
+			ret = rte_kvargs_process(kvlist, DLB2_POLL_INTERVAL_ARG,
+						 set_poll_interval,
+						 &dlb2_args->poll_interval);
+			if (ret != 0) {
+				DLB2_LOG_ERR("%s: Error parsing poll interval parameter",
+					     name);
+				rte_kvargs_free(kvlist);
+				return ret;
+			}
+
+			ret = rte_kvargs_process(kvlist,
+						 DLB2_SW_CREDIT_QUANTA_ARG,
+						 set_sw_credit_quanta,
+						 &dlb2_args->sw_credit_quanta);
+			if (ret != 0) {
+				DLB2_LOG_ERR("%s: Error parsing sw xredit quanta parameter",
+					     name);
+				rte_kvargs_free(kvlist);
+				return ret;
+			}
+
+			ret = rte_kvargs_process(kvlist, DLB2_DEPTH_THRESH_ARG,
+					set_default_depth_thresh,
+					&dlb2_args->default_depth_thresh);
+			if (ret != 0) {
+				DLB2_LOG_ERR("%s: Error parsing set depth thresh parameter",
+					     name);
+				rte_kvargs_free(kvlist);
+				return ret;
+			}
+
 			rte_kvargs_free(kvlist);
 		}
 	}

drivers/event/dlb2/dlb2_priv.h

@@ -22,6 +22,11 @@
 
 #define EVDEV_DLB2_NAME_PMD dlb2_event
 
+/* Default values for command line devargs */
+#define DLB2_POLL_INTERVAL_DEFAULT 1000
+#define DLB2_SW_CREDIT_QUANTA_DEFAULT 32
+#define DLB2_DEPTH_THRESH_DEFAULT 256
+
 /*  command line arg strings */
 #define NUMA_NODE_ARG "numa_node"
 #define DLB2_MAX_NUM_EVENTS "max_num_events"
@@ -30,6 +35,9 @@
 #define DLB2_DEFER_SCHED_ARG "defer_sched"
 #define DLB2_QID_DEPTH_THRESH_ARG "qid_depth_thresh"
 #define DLB2_COS_ARG "cos"
+#define DLB2_POLL_INTERVAL_ARG "poll_interval"
+#define DLB2_SW_CREDIT_QUANTA_ARG "sw_credit_quanta"
+#define DLB2_DEPTH_THRESH_ARG "default_depth_thresh"
 
 /* Begin HW related defines and structs */
 
@@ -570,6 +578,9 @@ struct dlb2_eventdev {
 	bool global_dequeue_wait; /* Not using per dequeue wait if true */
 	bool defer_sched;
 	enum dlb2_cq_poll_modes poll_mode;
+	int poll_interval;
+	int sw_credit_quanta;
+	int default_depth_thresh;
 	uint8_t revision;
 	uint8_t version;
 	bool configured;
@@ -603,6 +614,9 @@ struct dlb2_devargs {
 	int defer_sched;
 	struct dlb2_qid_depth_thresholds qid_depth_thresholds;
 	enum dlb2_cos cos_id;
+	int poll_interval;
+	int sw_credit_quanta;
+	int default_depth_thresh;
 };
 
 /* End Eventdev related defines and structs */

drivers/event/dlb2/pf/dlb2_pf.c

@@ -615,7 +615,10 @@ dlb2_eventdev_pci_init(struct rte_eventdev *eventdev)
 		.max_num_events = DLB2_MAX_NUM_LDB_CREDITS,
 		.num_dir_credits_override = -1,
 		.qid_depth_thresholds = { {0} },
-		.cos_id = DLB2_COS_DEFAULT
+		.cos_id = DLB2_COS_DEFAULT,
+		.poll_interval = DLB2_POLL_INTERVAL_DEFAULT,
+		.sw_credit_quanta = DLB2_SW_CREDIT_QUANTA_DEFAULT,
+		.default_depth_thresh = DLB2_DEPTH_THRESH_DEFAULT
 	};
 	struct dlb2_eventdev *dlb2;