Mpi25SGEIOUnion_t
offsetof(Mpi25SCSIIORequest_t, SGL)) / sizeof (Mpi25SGEIOUnion_t);
lmrc->l_max_chain_frame_sz / sizeof (Mpi25SGEIOUnion_t);
sizeof (Mpi25SGEIOUnion_t)) / sizeof (Mpi25SGEIOUnion_t);
offsetof(Mpi25SCSIIORequest_t, SGL) / sizeof (Mpi25SGEIOUnion_t);
sgl_ptr[i - 1].Length = sizeof (Mpi25SGEIOUnion_t) * ncookies;