ibdma_get_ioc_state
if (ibdma_get_ioc_state(hca, slot) == IBDMA_IOC_PRESENT) {
if (ibdma_get_ioc_state(hca, slot) != IBDMA_IOC_PRESENT) {
static ibdma_ioc_state_t ibdma_get_ioc_state(ibdma_hca_t *hca, int slot);