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IRQ_GET_IRQCHIP_STAT(9) | Public Functions Provided | IRQ_GET_IRQCHIP_STAT(9) |
NAME¶
irq_get_irqchip_state - returns the irqchip state of a interrupt.
SYNOPSIS¶
int irq_get_irqchip_state(unsigned int irq, enum irqchip_irq_state which, bool * state);
ARGUMENTS¶
unsigned int irq
Interrupt line that is forwarded to a VM
enum irqchip_irq_state which
One of IRQCHIP_STATE_* the caller wants to know
about
bool * state
a pointer to a boolean where the state is to be
storeed
DESCRIPTION¶
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.
AUTHORS¶
Thomas Gleixner <tglx@linutronix.de>
Author.
Ingo Molnar <mingo@elte.hu>
Author.
COPYRIGHT¶
June 2017 | Kernel Hackers Manual 4.11 |