bs_subregion
.bs_subregion = generic_bs_subregion,
int (*bs_subregion) (bus_space_tag_t, bus_space_handle_t,
(*(t)->bs_subregion)((t), (h), (o), (s), (hp))
.bs_subregion = generic_bs_subregion,
int (*bs_subregion) (void *, bus_space_handle_t,
(*(t)->bs_subregion)((t)->bs_cookie, (h), (o), (s), (hp))
int (*bs_subregion)(bus_space_handle_t, bus_size_t,
#define bus_space_subregion(t, h, o, s, hp) (*(t)->bs_subregion)(h, o, s, hp)
.bs_subregion = bs_gen_subregion,
.bs_subregion = bs_gen_subregion,
(*(t)->bs_subregion)((t)->bs_cookie, (h), (o), (s), (hp))
int (*bs_subregion) (void *, bus_space_handle_t,
.bs_subregion = generic_bs_subregion,
return (bs_subregion(rid, ofs, sz));
rid = bs_subregion(rid0, ofs, sz);
int bs_subregion(int rid0, long ofs, long sz);