vdev: add virtual device name helper function

This adds the rte_vdev_device_name() helper function to retrieve the
rte_vdev_device name which makes moving the name of the low-level
device into struct rte_device easier in the future.

Signed-off-by: Jan Blunck <jblunck@infradead.org>
Acked-by: Shreyansh Jain <shreyansh.jain@nxp.com>

diff --git a/lib/librte_eal/common/include/rte_vdev.h b/lib/librte_eal/common/include/rte_vdev.h
index 8f98372..abdefab 100644 (file)
--- a/lib/librte_eal/common/include/rte_vdev.h
+++ b/lib/librte_eal/common/include/rte_vdev.h
@@ -39,12 +39,21 @@ extern "C" {
 
 #include <sys/queue.h>
 #include <rte_dev.h>
+#include <rte_devargs.h>
 
 struct rte_vdev_device {
        TAILQ_ENTRY(rte_vdev_device) next;      /**< Next attached vdev */
        struct rte_device device;               /**< Inherit core device */
 };
 
+static inline const char *
+rte_vdev_device_name(const struct rte_vdev_device *dev)
+{
+       if (dev && dev->device.devargs)
+               return dev->device.devargs->virt.drv_name;
+       return NULL;
+}
+
 /** Double linked list of virtual device drivers. */
 TAILQ_HEAD(vdev_driver_list, rte_vdev_driver);