ID_F_DIRECT
#define ID_F_KEEPALIVE_MASK (ID_F_DIRECT | ID_F_BUSY | ID_F_WAIT_BUSY)
flags = (flags & ID_F_DIRECT) | ID_F_BUSY;
((d->d_flags & ID_F_DIRECT) != 0 &&
( flags & ID_F_DIRECT) == 0)) {
if (! iic_addr_reserve(sc, ia->ia_addr, ID_F_DIRECT)) {