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#ifndef _ASM_HW_IRQ_H
#define _ASM_HW_IRQ_H
/* (C) 1992, 1993 Linus Torvalds, (C) 1997 Ingo Molnar */
#include <xen/config.h>
#include <asm/atomic.h>
#include <irq_vectors.h>
#define IO_APIC_IRQ(irq) (((irq) >= 16) || ((1<<(irq)) & io_apic_irqs))
#define IO_APIC_VECTOR(irq) (irq_vector[irq])
#define LEGACY_VECTOR(irq) ((irq) + FIRST_LEGACY_VECTOR)
#define LEGACY_IRQ_FROM_VECTOR(vec) ((vec) - FIRST_LEGACY_VECTOR)
#define irq_to_vector(irq) \
(IO_APIC_IRQ(irq) ? IO_APIC_VECTOR(irq) : LEGACY_VECTOR(irq))
#define vector_to_irq(vec) (vector_irq[vec])
extern int vector_irq[NR_VECTORS];
extern u8 irq_vector[NR_IRQS];
#define platform_legacy_irq(irq) ((irq) < 16)
fastcall void event_check_interrupt(void);
fastcall void invalidate_interrupt(void);
fastcall void call_function_interrupt(void);
fastcall void apic_timer_interrupt(void);
fastcall void error_interrupt(void);
fastcall void pmu_apic_interrupt(void);
fastcall void spurious_interrupt(void);
fastcall void thermal_interrupt(void);
fastcall void cmci_interrupt(void);
void disable_8259A_irq(unsigned int irq);
void enable_8259A_irq(unsigned int irq);
int i8259A_irq_pending(unsigned int irq);
void init_8259A(int aeoi);
int i8259A_suspend(void);
int i8259A_resume(void);
void setup_IO_APIC(void);
void disable_IO_APIC(void);
void print_IO_APIC(void);
void setup_ioapic_dest(void);
extern unsigned long io_apic_irqs;
extern atomic_t irq_err_count;
extern atomic_t irq_mis_count;
int pirq_shared(struct domain *d , int irq);
int map_domain_pirq(struct domain *d, int pirq, int vector, int type,
void *data);
int unmap_domain_pirq(struct domain *d, int pirq);
int get_free_pirq(struct domain *d, int type, int index);
void free_domain_pirqs(struct domain *d);
#define domain_irq_to_vector(d, irq) ((d)->arch.pirq_vector[irq] ?: \
IO_APIC_IRQ(irq) ? 0 : LEGACY_VECTOR(irq))
#define domain_vector_to_irq(d, vec) ((d)->arch.vector_pirq[vec] ?: \
((vec) < FIRST_LEGACY_VECTOR || \
(vec) > LAST_LEGACY_VECTOR) ? \
0 : LEGACY_IRQ_FROM_VECTOR(vec))
#endif /* _ASM_HW_IRQ_H */
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