Function cuLaunchKernel 

pub unsafe fn cuLaunchKernel(
    f: *mut CUfunc_st,
    gridDimX: u32,
    gridDimY: u32,
    gridDimZ: u32,
    blockDimX: u32,
    blockDimY: u32,
    blockDimZ: u32,
    sharedMemBytes: u32,
    hStream: *mut CUstream_st,
    kernelParams: *mut *mut c_void,
    extra: *mut *mut c_void,
) -> cudaError_enum