- int irq_get_irqchip_state(unsigned int irq, enum irqchip_irq_state which, bool * state);
- Interrupt line that is forwarded to a VM
- One of IRQCHIP_STATE_* the caller wants to know about
- a pointer to a boolean where the state is to be storeed
This call snapshots the internal irqchip state of an interrupt, returning into state the bit corresponding to stage which
This function should be called with preemption disabled if the interrupt controller has per-cpu registers.