bus/vdev: add helper to get vdev from ethdev

This patch adds an helper macro to get the rte_vdev_device
pointer from a rte_eth_dev pointer.

This is similar to RTE_ETH_DEV_TO_PCI().

Signed-off-by: Maxime Coquelin <maxime.coquelin@redhat.com>
Reviewed-by: Chenbo Xia <chenbo.xia@intel.com>
Reviewed-by: David Marchand <david.marchand@redhat.com>

diff --git a/drivers/bus/vdev/rte_bus_vdev.h b/drivers/bus/vdev/rte_bus_vdev.h
index d14eeb4..f99a41f 100644 (file)
--- a/drivers/bus/vdev/rte_bus_vdev.h
+++ b/drivers/bus/vdev/rte_bus_vdev.h
@@ -34,6 +34,8 @@ struct rte_vdev_device {
 #define RTE_DEV_TO_VDEV_CONST(ptr) \
        container_of(ptr, const struct rte_vdev_device, device)
 
+#define RTE_ETH_DEV_TO_VDEV(eth_dev)   RTE_DEV_TO_VDEV((eth_dev)->device)
+
 static inline const char *
 rte_vdev_device_name(const struct rte_vdev_device *dev)
 {