IBDMA_IOC_PRESENT
ibdma_set_ioc_state(hca, free_slot, IBDMA_IOC_PRESENT);
ibdma_set_ioc_state(ioc->ii_hcap, ioc->ii_slot, IBDMA_IOC_PRESENT);
if (ibdma_get_ioc_state(hca, slot) == IBDMA_IOC_PRESENT) {
if (ibdma_get_ioc_state(hca, slot) != IBDMA_IOC_PRESENT) {