blob: 0bedbdf5e9078af5d579f80832a057911067f6b8 [file] [log] [blame]
#ifndef _ASM_HW_IRQ_H
#define _ASM_HW_IRQ_H
* linux/include/asm/hw_irq.h
* (C) 1992, 1993 Linus Torvalds, (C) 1997 Ingo Molnar
* moved some of the old arch/i386/kernel/irq.h to here. VY
* IRQ/IPI changes taken from work by Thomas Radke
* <>
#include <linux/profile.h>
#include <asm/atomic.h>
#include <asm/irq.h>
#include <asm/sections.h>
#define NMI_VECTOR 0x02
* Various low-level irq details needed by irq.c, process.c,
* time.c, io_apic.c and smp.c
* Interrupt entry/exit code at both C and assembly level
extern void (*interrupt[NR_IRQS])(void);
fastcall void reschedule_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 spurious_interrupt(void);
fastcall void thermal_interrupt(void);
#define platform_legacy_irq(irq) ((irq) < 16)
void disable_8259A_irq(unsigned int irq);
void enable_8259A_irq(unsigned int irq);
int i8259A_irq_pending(unsigned int irq);
void make_8259A_irq(unsigned int irq);
void init_8259A(int aeoi);
void FASTCALL(send_IPI_self(int vector));
void init_VISWS_APIC_irqs(void);
void setup_IO_APIC(void);
void disable_IO_APIC(void);
void print_IO_APIC(void);
int IO_APIC_get_PCI_irq_vector(int bus, int slot, int fn);
void send_IPI(int dest, int vector);
void setup_ioapic_dest(void);
extern unsigned long io_apic_irqs;
extern atomic_t irq_err_count;
extern atomic_t irq_mis_count;
#define IO_APIC_IRQ(x) (((x) >= 16) || ((1<<(x)) & io_apic_irqs))
#endif /* _ASM_HW_IRQ_H */