amdiommu_read8
head = amdiommu_read8(unit, AMDIOMMU_CMDBUF_HEAD);
(uintmax_t)amdiommu_read8(unit, AMDIOMMU_CTRL),
(uintmax_t)amdiommu_read8(unit, AMDIOMMU_CMDEV_STATUS));
(uintmax_t)amdiommu_read8(unit, AMDIOMMU_CMDBUF_BASE),
status = amdiommu_read8(unit, AMDIOMMU_CMDEV_STATUS);
sc->hw_ctrl = amdiommu_read8(sc, AMDIOMMU_CTRL);
return (amdiommu_read8(unit, AMDIOMMU_EVNTLOG_TAIL) >>
hwev_status = amdiommu_read8(unit, AMDIOMMU_HWEV_STATUS);
*(uint64_t *)&hwev = amdiommu_read8(unit,
*((uint64_t *)&hwev + 1) = amdiommu_read8(unit,
status = amdiommu_read8(unit, AMDIOMMU_CMDEV_STATUS);
status = amdiommu_read8(unit, AMDIOMMU_CMDEV_STATUS);