#ifndef _ASM_HW_IRQ_H #define _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 * * * hacked by Andi Kleen for x86-64. * unified by tglx */ #include #ifndef __ASSEMBLY__ #include #include #include #include #include #include #define platform_legacy_irq(irq) ((irq) < 16) /* Interrupt handlers registered during init_IRQ */ extern void apic_timer_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) >= 16) || ((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 void print_IO_APIC(void); extern int IO_APIC_get_PCI_irq_vector(int bus, int slot, int fn); extern void setup_ioapic_dest(void); #ifdef CONFIG_X86_64 extern void enable_IO_APIC(void); #endif /* IPI functions */ extern void send_IPI_self(int vector); extern void send_IPI(int dest, int vector); /* Statistics */ extern atomic_t irq_err_count; extern atomic_t irq_mis_count; /* EISA */ extern void eisa_set_level_irq(unsigned int irq); /* Voyager functions */ extern asmlinkage void vic_cpi_interrupt(void); extern asmlinkage void vic_sys_interrupt(void); extern asmlinkage void vic_cmn_interrupt(void); extern asmlinkage void qic_timer_interrupt(void); extern asmlinkage void qic_invalidate_interrupt(void); extern asmlinkage void qic_reschedule_interrupt(void); extern asmlinkage void qic_enable_irq_interrupt(void); extern asmlinkage void qic_call_function_interrupt(void); #ifdef CONFIG_X86_32 extern void (*const interrupt[NR_IRQS])(void); #else typedef int vector_irq_t[NR_VECTORS]; DECLARE_PER_CPU(vector_irq_t, vector_irq); extern spinlock_t vector_lock; #endif extern void setup_vector_irq(int cpu); #endif /* !ASSEMBLY_ */ #endif