mlx4_ib_xrcd
struct mlx4_ib_xrcd *xrcd = to_mxrcd(ibxrcd);
INIT_RDMA_OBJ_SIZE(ib_xrcd, mlx4_ib_xrcd, ibxrcd),
static inline struct mlx4_ib_xrcd *to_mxrcd(struct ib_xrcd *ibxrcd)
return container_of(ibxrcd, struct mlx4_ib_xrcd, ibxrcd);