[dpdk-dev] [PATCH v3 05/10] eal: Refactor vdev driver probe/remove

[Jan Blunck <jblunck@infradead.org>]

This is a preparation for the introduction of the struct rte_vdev_device.

Signed-off-by: Jan Blunck <jblunck@infradead.org>
Tested-by: Ferruh Yigit <ferruh.yigit@intel.com>
Acked-by: Shreyansh Jain <shreyansh.jain@nxp.com>
---
 lib/librte_eal/common/eal_common_vdev.c | 44 ++++++++++++++++++++++++---------
 1 file changed, 33 insertions(+), 11 deletions(-)

diff --git a/lib/librte_eal/common/eal_common_vdev.c b/lib/librte_eal/common/eal_common_vdev.c
index 0fcfdd7..5a267ee 100644
--- a/lib/librte_eal/common/eal_common_vdev.c
+++ b/lib/librte_eal/common/eal_common_vdev.c
@@ -65,14 +65,11 @@ rte_eal_vdrv_unregister(struct rte_vdev_driver *driver)
 	TAILQ_REMOVE(&vdev_driver_list, driver, next);
 }
 
-int
-rte_eal_vdev_init(const char *name, const char *args)
+static int
+vdev_probe_all_drivers(const char *name, const char *args)
 {
 	struct rte_vdev_driver *driver;
 
-	if (name == NULL)
-		return -EINVAL;
-
 	TAILQ_FOREACH(driver, &vdev_driver_list, next) {
 		/*
 		 * search a driver prefix in virtual device name.
@@ -93,18 +90,29 @@ rte_eal_vdev_init(const char *name, const char *args)
 			return driver->probe(name, args);
 	}
 
-	RTE_LOG(ERR, EAL, "no driver found for %s\n", name);
-	return -EINVAL;
+	return 1;
 }
 
 int
-rte_eal_vdev_uninit(const char *name)
+rte_eal_vdev_init(const char *name, const char *args)
 {
-	struct rte_vdev_driver *driver;
+	int ret;
 
 	if (name == NULL)
 		return -EINVAL;
 
+	ret = vdev_probe_all_drivers(name, args);
+	if (ret  > 0)
+		RTE_LOG(ERR, EAL, "no driver found for %s\n", name);
+
+	return ret;
+}
+
+static int
+vdev_remove_driver(const char *name)
+{
+	struct rte_vdev_driver *driver;
+
 	TAILQ_FOREACH(driver, &vdev_driver_list, next) {
 		/*
 		 * search a driver prefix in virtual device name.
@@ -125,8 +133,22 @@ rte_eal_vdev_uninit(const char *name)
 			return driver->remove(name);
 	}
 
-	RTE_LOG(ERR, EAL, "no driver found for %s\n", name);
-	return -EINVAL;
+	return 1;
+}
+
+int
+rte_eal_vdev_uninit(const char *name)
+{
+	int ret;
+
+	if (name == NULL)
+		return -EINVAL;
+
+	ret = vdev_remove_driver(name);
+	if (ret > 0)
+		RTE_LOG(ERR, EAL, "no driver found for %s\n", name);
+
+	return ret;
 }
 
 static int
-- 
2.7.4