diff --git a/lib/librte_ethdev/ethdev_private.c b/lib/librte_ethdev/ethdev_private.c
index acc787dba..c34f3ce99 100644
--- a/lib/librte_ethdev/ethdev_private.c
+++ b/lib/librte_ethdev/ethdev_private.c
@@ -3,6 +3,7 @@
  */
 
 #include "rte_ethdev.h"
+#include "rte_ethdev_driver.h"
 #include "ethdev_private.h"
 
 uint16_t
@@ -37,3 +38,84 @@ eth_find_device(const struct rte_eth_dev *start, rte_eth_cmp_t cmp,
 	return NULL;
 }
 
+int
+rte_eth_devargs_parse_list(char *str, rte_eth_devargs_callback_t callback,
+	void *data)
+{
+	char *str_start;
+	int state;
+	int result;
+
+	if (*str != '[')
+		/* Single element, not a list */
+		return callback(str, data);
+
+	/* Sanity check, then strip the brackets */
+	str_start = &str[strlen(str) - 1];
+	if (*str_start != ']') {
+		RTE_LOG(ERR, EAL, "(%s): List does not end with ']'", str);
+		return -EINVAL;
+	}
+	str++;
+	*str_start = '\0';
+
+	/* Process list elements */
+	state = 0;
+	while (1) {
+		if (state == 0) {
+			if (*str == '\0')
+				break;
+			if (*str != ',') {
+				str_start = str;
+				state = 1;
+			}
+		} else if (state == 1) {
+			if (*str == ',' || *str == '\0') {
+				if (str > str_start) {
+					/* Non-empty string fragment */
+					*str = '\0';
+					result = callback(str_start, data);
+					if (result < 0)
+						return result;
+				}
+				state = 0;
+			}
+		}
+		str++;
+	}
+	return 0;
+}
+
+static int
+rte_eth_devargs_process_range(char *str, uint16_t *list, uint16_t *len_list,
+	const uint16_t max_list)
+{
+	uint16_t lo, hi, val;
+	int result;
+
+	result = sscanf(str, "%hu-%hu", &lo, &hi);
+	if (result == 1) {
+		if (*len_list >= max_list)
+			return -ENOMEM;
+		list[(*len_list)++] = lo;
+	} else if (result == 2) {
+		if (lo >= hi || lo > RTE_MAX_ETHPORTS || hi > RTE_MAX_ETHPORTS)
+			return -EINVAL;
+		for (val = lo; val <= hi; val++) {
+			if (*len_list >= max_list)
+				return -ENOMEM;
+			list[(*len_list)++] = val;
+		}
+	} else
+		return -EINVAL;
+	return 0;
+}
+
+int
+rte_eth_devargs_parse_representor_ports(char *str, void *data)
+{
+	struct rte_eth_devargs *eth_da = data;
+
+	return rte_eth_devargs_process_range(str, eth_da->representor_ports,
+		&eth_da->nb_representor_ports, RTE_MAX_ETHPORTS);
+}
diff --git a/lib/librte_ethdev/ethdev_private.h b/lib/librte_ethdev/ethdev_private.h
index e67cf6831..7b787bf97 100644
--- a/lib/librte_ethdev/ethdev_private.h
+++ b/lib/librte_ethdev/ethdev_private.h
@@ -25,6 +25,12 @@ struct rte_eth_dev *
 eth_find_device(const struct rte_eth_dev *_start, rte_eth_cmp_t cmp,
 		const void *data);
 
+/* Parse devargs value for representor parameter. */
+typedef int (*rte_eth_devargs_callback_t)(char *str, void *data);
+int rte_eth_devargs_parse_list(char *str, rte_eth_devargs_callback_t callback,
+	void *data);
+int rte_eth_devargs_parse_representor_ports(char *str, void *data);
+
 #ifdef __cplusplus
 }
 #endif
diff --git a/lib/librte_ethdev/rte_ethdev.c b/lib/librte_ethdev/rte_ethdev.c
index 9aef0a943..b20082b54 100644
--- a/lib/librte_ethdev/rte_ethdev.c
+++ b/lib/librte_ethdev/rte_ethdev.c
@@ -4304,8 +4304,6 @@ rte_eth_switch_domain_free(uint16_t domain_id)
 	return 0;
 }
 
-typedef int (*rte_eth_devargs_callback_t)(char *str, void *data);
-
 static int
 rte_eth_devargs_tokenise(struct rte_kvargs *arglist, const char *str_in)
 {
@@ -4370,89 +4368,6 @@ rte_eth_devargs_tokenise(struct rte_kvargs *arglist, const char *str_in)
 	}
 }
 
-static int
-rte_eth_devargs_parse_list(char *str, rte_eth_devargs_callback_t callback,
-	void *data)
-{
-	char *str_start;
-	int state;
-	int result;
-
-	if (*str != '[')
-		/* Single element, not a list */
-		return callback(str, data);
-
-	/* Sanity check, then strip the brackets */
-	str_start = &str[strlen(str) - 1];
-	if (*str_start != ']') {
-		RTE_LOG(ERR, EAL, "(%s): List does not end with ']'", str);
-		return -EINVAL;
-	}
-	str++;
-	*str_start = '\0';
-
-	/* Process list elements */
-	state = 0;
-	while (1) {
-		if (state == 0) {
-			if (*str == '\0')
-				break;
-			if (*str != ',') {
-				str_start = str;
-				state = 1;
-			}
-		} else if (state == 1) {
-			if (*str == ',' || *str == '\0') {
-				if (str > str_start) {
-					/* Non-empty string fragment */
-					*str = '\0';
-					result = callback(str_start, data);
-					if (result < 0)
-						return result;
-				}
-				state = 0;
-			}
-		}
-		str++;
-	}
-	return 0;
-}
-
-static int
-rte_eth_devargs_process_range(char *str, uint16_t *list, uint16_t *len_list,
-	const uint16_t max_list)
-{
-	uint16_t lo, hi, val;
-	int result;
-
-	result = sscanf(str, "%hu-%hu", &lo, &hi);
-	if (result == 1) {
-		if (*len_list >= max_list)
-			return -ENOMEM;
-		list[(*len_list)++] = lo;
-	} else if (result == 2) {
-		if (lo >= hi || lo > RTE_MAX_ETHPORTS || hi > RTE_MAX_ETHPORTS)
-			return -EINVAL;
-		for (val = lo; val <= hi; val++) {
-			if (*len_list >= max_list)
-				return -ENOMEM;
-			list[(*len_list)++] = val;
-		}
-	} else
-		return -EINVAL;
-	return 0;
-}
-
-
-static int
-rte_eth_devargs_parse_representor_ports(char *str, void *data)
-{
-	struct rte_eth_devargs *eth_da = data;
-
-	return rte_eth_devargs_process_range(str, eth_da->representor_ports,
-		&eth_da->nb_representor_ports, RTE_MAX_ETHPORTS);
-}
-
 int __rte_experimental
 rte_eth_devargs_parse(const char *dargs, struct rte_eth_devargs *eth_da)
 {
