111 lines
3.1 KiB
C
111 lines
3.1 KiB
C
#ifndef _ASM_X86_HW_IRQ_H
|
|
#define _ASM_X86_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
|
|
* <tomsoft@informatik.tu-chemnitz.de>
|
|
*
|
|
* hacked by Andi Kleen for x86-64.
|
|
* unified by tglx
|
|
*/
|
|
|
|
#include <asm/irq_vectors.h>
|
|
|
|
#ifndef __ASSEMBLY__
|
|
|
|
#include <linux/percpu.h>
|
|
#include <linux/profile.h>
|
|
#include <linux/smp.h>
|
|
|
|
#include <asm/atomic.h>
|
|
#include <asm/irq.h>
|
|
#include <asm/sections.h>
|
|
|
|
/* Interrupt handlers registered during init_IRQ */
|
|
extern void apic_timer_interrupt(void);
|
|
extern void generic_interrupt(void);
|
|
extern void error_interrupt(void);
|
|
extern void spurious_interrupt(void);
|
|
extern void thermal_interrupt(void);
|
|
extern void reschedule_interrupt(void);
|
|
|
|
extern void invalidate_interrupt(void);
|
|
extern void invalidate_interrupt0(void);
|
|
extern void invalidate_interrupt1(void);
|
|
extern void invalidate_interrupt2(void);
|
|
extern void invalidate_interrupt3(void);
|
|
extern void invalidate_interrupt4(void);
|
|
extern void invalidate_interrupt5(void);
|
|
extern void invalidate_interrupt6(void);
|
|
extern void invalidate_interrupt7(void);
|
|
|
|
extern void irq_move_cleanup_interrupt(void);
|
|
extern void threshold_interrupt(void);
|
|
|
|
extern void call_function_interrupt(void);
|
|
extern void call_function_single_interrupt(void);
|
|
|
|
/* PIC specific functions */
|
|
extern void disable_8259A_irq(unsigned int irq);
|
|
extern void enable_8259A_irq(unsigned int irq);
|
|
extern int i8259A_irq_pending(unsigned int irq);
|
|
extern void make_8259A_irq(unsigned int irq);
|
|
extern void init_8259A(int aeoi);
|
|
|
|
/* IOAPIC */
|
|
#define IO_APIC_IRQ(x) (((x) >= NR_IRQS_LEGACY) || ((1<<(x)) & io_apic_irqs))
|
|
extern unsigned long io_apic_irqs;
|
|
|
|
extern void init_VISWS_APIC_irqs(void);
|
|
extern void setup_IO_APIC(void);
|
|
extern void disable_IO_APIC(void);
|
|
extern int IO_APIC_get_PCI_irq_vector(int bus, int slot, int fn);
|
|
extern void setup_ioapic_dest(void);
|
|
|
|
extern void enable_IO_APIC(void);
|
|
|
|
/* Statistics */
|
|
extern atomic_t irq_err_count;
|
|
extern atomic_t irq_mis_count;
|
|
|
|
/* EISA */
|
|
extern void eisa_set_level_irq(unsigned int irq);
|
|
|
|
/* SMP */
|
|
extern void smp_apic_timer_interrupt(struct pt_regs *);
|
|
extern void smp_spurious_interrupt(struct pt_regs *);
|
|
extern void smp_error_interrupt(struct pt_regs *);
|
|
#ifdef CONFIG_SMP
|
|
extern void smp_reschedule_interrupt(struct pt_regs *);
|
|
extern void smp_call_function_interrupt(struct pt_regs *);
|
|
extern void smp_call_function_single_interrupt(struct pt_regs *);
|
|
#ifdef CONFIG_X86_32
|
|
extern void smp_invalidate_interrupt(struct pt_regs *);
|
|
#else
|
|
extern asmlinkage void smp_invalidate_interrupt(struct pt_regs *);
|
|
#endif
|
|
#endif
|
|
|
|
extern void (*__initconst interrupt[NR_VECTORS-FIRST_EXTERNAL_VECTOR])(void);
|
|
|
|
typedef int vector_irq_t[NR_VECTORS];
|
|
DECLARE_PER_CPU(vector_irq_t, vector_irq);
|
|
|
|
#ifdef CONFIG_X86_IO_APIC
|
|
extern void lock_vector_lock(void);
|
|
extern void unlock_vector_lock(void);
|
|
extern void __setup_vector_irq(int cpu);
|
|
#else
|
|
static inline void lock_vector_lock(void) {}
|
|
static inline void unlock_vector_lock(void) {}
|
|
static inline void __setup_vector_irq(int cpu) {}
|
|
#endif
|
|
|
|
#endif /* !ASSEMBLY_ */
|
|
|
|
#endif /* _ASM_X86_HW_IRQ_H */
|