TITAN_IO
#define TITAN_IO_BIAS TITAN_IO(0)
#define TITAN_IO_SPACE (TITAN_CONF(0) - TITAN_IO(0))
= (TITAN_IO(index) & 0xffffffffffUL) | 0x80000000000UL;
hose->io_space->start = TITAN_IO(index) - TITAN_IO_BIAS;