__bs_ops
(*__bs_ops(t).__bs_opname(r,sz))(t, h, o)
(*__bs_ops(t).__bs_opname(w,sz))(t, h, o, v)
(*__bs_ops(t).__bs_opname(rs,sz))(t, h, o)
(*__bs_ops(t).__bs_opname(ws,sz))(t, h, o, v)
(*__bs_ops(t).__bs_opname(type,sz))(t, h, o, a, c)
(*__bs_ops(t).__bs_opname(type,sz))(t, h, o, v, c)
(*__bs_ops(t).__bs_opname(c,sz))(t, h1, o1, h2, o2, cnt)
(*__bs_ops(t).bs_map)(t, (a), (s), (c), (hp))
(*__bs_ops(t).bs_unmap)(t, (h), (s))
(*__bs_ops(t).bs_subregion)(t, (h), (o), (s), (hp))
(*__bs_ops(t).bs_alloc)(t, (rs), (re), (s), (a), (b), (c), (ap), (hp))
(*__bs_ops(t).bs_free)(t, (h), (s))
(*__bs_ops(t).bs_vaddr)(t, (h))
(*__bs_ops(t).bs_mmap)(t, (a), (o), (p), (f))
(*__bs_ops(t).bs_barrier)(t, (h), (o), (l), (f))
(*__bs_ops(t).bs_peek)(t, (h), (o), (s), (p))
(*__bs_ops(t).bs_poke)(t, (h), (o), (s), (v))