intel-ioapic.h File Reference

Intel I/O APIC interrupt controller devicetree macros. More...

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Macros
#define	IRQ_TYPE_LEVEL   0x00008000
	Level-triggered interrupt.
#define	IRQ_TYPE_EDGE   0x00000000
	Edge-triggered interrupt.
#define	IRQ_TYPE_LOW   0x00002000
	Active-low polarity.
#define	IRQ_TYPE_HIGH   0x00000000
	Active-high polarity.
#define	IRQ_DELIVERY_LOWEST   0x00000100
	Lowest-priority delivery mode.
#define	IRQ_DELIVERY_FIXED   0x00000000
	Fixed delivery mode (all CPUs).
#define	IRQ_TYPE_LOWEST_EDGE_RISING   (IRQ_DELIVERY_LOWEST | IRQ_TYPE_EDGE | IRQ_TYPE_HIGH)
	Lowest-priority delivery, edge-triggered, rising edge.
#define	IRQ_TYPE_LOWEST_EDGE_FALLING   (IRQ_DELIVERY_LOWEST | IRQ_TYPE_EDGE | IRQ_TYPE_LOW)
	Lowest-priority delivery, edge-triggered, falling edge.
#define	IRQ_TYPE_LOWEST_LEVEL_HIGH   (IRQ_DELIVERY_LOWEST | IRQ_TYPE_LEVEL | IRQ_TYPE_HIGH)
	Lowest-priority delivery, level-triggered, active high.
#define	IRQ_TYPE_LOWEST_LEVEL_LOW   (IRQ_DELIVERY_LOWEST | IRQ_TYPE_LEVEL | IRQ_TYPE_LOW)
	Lowest-priority delivery, level-triggered, active low.
#define	IRQ_TYPE_FIXED_EDGE_RISING   (IRQ_DELIVERY_FIXED | IRQ_TYPE_EDGE | IRQ_TYPE_HIGH)
	Fixed delivery, edge-triggered, rising edge.
#define	IRQ_TYPE_FIXED_EDGE_FALLING   (IRQ_DELIVERY_FIXED | IRQ_TYPE_EDGE | IRQ_TYPE_LOW)
	Fixed delivery, edge-triggered, falling edge.
#define	IRQ_TYPE_FIXED_LEVEL_HIGH   (IRQ_DELIVERY_FIXED | IRQ_TYPE_LEVEL | IRQ_TYPE_HIGH)
	Fixed delivery, level-triggered, active high.
#define	IRQ_TYPE_FIXED_LEVEL_LOW   (IRQ_DELIVERY_FIXED | IRQ_TYPE_LEVEL | IRQ_TYPE_LOW)
	Fixed delivery, level-triggered, active low.

Detailed Description

Intel I/O APIC interrupt controller devicetree macros.