IOPMU_OUTBOUND_INT_MSG0
if (status & IOPMU_OUTBOUND_INT_MSG0) {
writel(IOPMU_OUTBOUND_INT_MSG0, &iop->outbound_intstatus);
IOPMU_OUTBOUND_INT_MSG0 | IOPMU_OUTBOUND_INT_POSTQUEUE,
writel(~(IOPMU_OUTBOUND_INT_POSTQUEUE | IOPMU_OUTBOUND_INT_MSG0),