GUC_INTR_GUC2HOST
if (iir & GUC_INTR_GUC2HOST)
u32 guc_mask = intel_uc_wants_guc(>->uc) ? GUC_INTR_GUC2HOST : 0;
to_gt(dev_priv)->pm_guc_events = GUC_INTR_GUC2HOST << 16;