//add_custom.cpp
extern "C" __global__ __aicore__ void add_custom(GM_ADDR x, GM_ADDR y, GM_ADDR z, GM_ADDR workspace, AddCustomTilingData tiling)
{
    KernelAdd op;
    op.Init(x, y, z, tiling.totalLength, tiling.tileNum);
    op.Process();
}

//main.cpp
AddCustomTilingData* tiling;

ACLRT_LAUNCH_KERNEL(add_custom)(blockDim, stream, xDevice, yDevice, zDevice, workSpaceDevice, tiling);