Function hipDrvLaunchKernelEx 

pub unsafe extern "C" fn hipDrvLaunchKernelEx(
    config: *const HIP_LAUNCH_CONFIG,
    f: hipFunction_t,
    params: *mut *mut c_void,
    extra: *mut *mut c_void,
) -> hipError_t

@brief Launches a HIP kernel using the driver API with the specified configuration. @ingroup Execution

This function dispatches the device kernel represented by a HIP function object. It passes both the kernel parameters and any extra configuration arguments to the kernel launch.

@param [in] config Pointer to the kernel launch configuration structure. @param [in] f HIP function object representing the device kernel to be launched. @param [in] params Array of pointers to the kernel parameters. @param [in] extra Array of pointers for additional launch parameters or extra configuration data.

@returns #hipSuccess if the kernel is launched successfully, otherwise an appropriate error code.