g4_addr3
#define FORMG4LONGADDR(cdb, addr) (cdb)->g4_addr3 = (addr) >> 56; \
#define GETG4LONGADDR(cdb) (((diskaddr_t)(cdb)->g4_addr3 << 56) + \
#define FORMG4ADDR(cdb, addr) (cdb)->g4_addr3 = (addr) >> 24; \
#define GETG4ADDR(cdb) ((cdb)->g4_addr3 << 24) + \