* @param[in] dev_hdl opaque device handle for the real device
* @param[in] hdl driver handle for this virtual device
* @param[in] op per-virtual-device switch structure
* @param[in] info basic virtual device information
* @param[in] dev_hdl opaque device handle for the real device
* @param[in] hdl driver handle for this virtual device
* @param[in] op per-virtual-device switch structure
* @param[in] info basic virtual device information