PDIR_INDEX
idx = PDIR_INDEX(iovp) >> 3;
idx += PDIR_INDEX(CUJO_20_STEP) >> 3;
unsigned int res_idx = PDIR_INDEX(iovp) >> 3;
unsigned int idx = PDIR_INDEX(iovp);
ioc->pdir_base[PDIR_INDEX(iova_space_size/2)] = SBA_AGPGART_COOKIE;
unsigned int pide = PDIR_INDEX(iovp);
__le64 *pdir_ptr = &ioc->pdir_base[PDIR_INDEX(iovp)];
sba_dump_pdir_entry(ioc,"sba_mark_invalid()", PDIR_INDEX(iovp));