Function cusolverMgCreateMatrixDesc 

pub unsafe fn cusolverMgCreateMatrixDesc(
    desc: *mut cudaLibMgMatrixDesc_t,
    numRows: i64,
    numCols: i64,
    rowBlockSize: i64,
    colBlockSize: i64,
    dataType: cudaDataType,
    grid: cudaLibMgGrid_t,
) -> cusolverStatus_t