[PATCH v4 5/8] event/dlb2: add new arg parsing library API support

[Euan Bourke <euan.bourke@intel.com>]

Switched the dlb2 driver to call the new arg parsing library instead of
eal for coremask parsing, and updated the resource probe function to
support the changed formatting of the API.

Signed-off-by: Euan Bourke <euan.bourke@intel.com>
---
 drivers/event/dlb2/dlb2_priv.h             |  4 +-
 drivers/event/dlb2/pf/base/dlb2_resource.c | 51 +++++++++-------------
 2 files changed, 21 insertions(+), 34 deletions(-)

diff --git a/drivers/event/dlb2/dlb2_priv.h b/drivers/event/dlb2/dlb2_priv.h
index 31a3beeb6c..c14d83da5b 100644
--- a/drivers/event/dlb2/dlb2_priv.h
+++ b/drivers/event/dlb2/dlb2_priv.h
@@ -10,6 +10,7 @@
 
 #include <rte_eventdev.h>
 #include <rte_config.h>
+#include <rte_arg_parser.h>
 #include "dlb2_user.h"
 #include "dlb2_log.h"
 #include "rte_pmd_dlb2.h"
@@ -729,9 +730,6 @@ void dlb2_event_build_hcws(struct dlb2_port *qm_port,
 			   uint8_t *sched_type,
 			   uint8_t *queue_id);
 
-/* Extern functions */
-extern int rte_eal_parse_coremask(const char *coremask, int *cores);
-
 /* Extern globals */
 extern struct process_local_port_data dlb2_port[][DLB2_NUM_PORT_TYPES];
 
diff --git a/drivers/event/dlb2/pf/base/dlb2_resource.c b/drivers/event/dlb2/pf/base/dlb2_resource.c
index 7ce3e3531c..b65de9350a 100644
--- a/drivers/event/dlb2/pf/base/dlb2_resource.c
+++ b/drivers/event/dlb2/pf/base/dlb2_resource.c
@@ -922,49 +922,38 @@ dlb2_resource_probe(struct dlb2_hw *hw, const void *probe_args)
 {
 	const struct dlb2_devargs *args = (const struct dlb2_devargs *)probe_args;
 	const char *mask = args ? args->producer_coremask : NULL;
-	int cpu = 0, cnt = 0, cores[RTE_MAX_LCORE], i;
+	int cpu = 0, i;
+	uint16_t cores[RTE_MAX_LCORE];
 
 	if (args) {
 		mask = (const char *)args->producer_coremask;
 	}
 
-	if (mask && rte_eal_parse_coremask(mask, cores)) {
+	int ret = rte_arg_parse_coremask(mask, cores, RTE_DIM(cores));
+
+	if (mask && ret == -1) {
 		DLB2_LOG_ERR(": Invalid producer coremask=%s", mask);
 		return -1;
 	}
 
-	hw->num_prod_cores = 0;
-	for (i = 0; i < RTE_MAX_LCORE; i++) {
-		bool is_pcore = (mask && cores[i] != -1);
-
-		if (rte_lcore_is_enabled(i)) {
-			if (is_pcore) {
-				/*
-				 * Populate the producer cores from parsed
-				 * coremask
-				 */
-				hw->prod_core_list[cores[i]] = i;
-				hw->num_prod_cores++;
-
-			} else if ((++cnt == DLB2_EAL_PROBE_CORE ||
-			   rte_lcore_count() < DLB2_EAL_PROBE_CORE)) {
-				/*
-				 * If no producer coremask is provided, use the
-				 * second EAL core to probe
-				 */
-				cpu = i;
-				break;
-			}
-		} else if (is_pcore) {
+	hw->num_prod_cores = ret;
+	/* Check for no producer cores and then get the second EAL core */
+	if (hw->num_prod_cores > 0)
+		cpu = cores[0];
+	else if (rte_lcore_count() < DLB2_EAL_PROBE_CORE)
+		cpu = rte_get_main_lcore();
+	else
+		cpu = rte_get_next_lcore(-1, 1, 0);
+
+	/* check our producer list is valid and error out if not */
+	for (i = 0; i < hw->num_prod_cores; i++) {
+		if (!rte_lcore_is_enabled(cores[i])) {
 			DLB2_LOG_ERR("Producer coremask(%s) must be a subset of EAL coremask",
-				     mask);
+				mask);
 			return -1;
-		}
-
 	}
-	/* Use the first core in producer coremask to probe */
-	if (hw->num_prod_cores)
-		cpu = hw->prod_core_list[0];
+	hw->prod_core_list[i] = cores[i];
+}
 
 	dlb2_get_pp_allocation(hw, cpu, DLB2_LDB_PORT);
 	dlb2_get_pp_allocation(hw, cpu, DLB2_DIR_PORT);
-- 
2.34.1