| Thomas Gleixner | 2e08843 | 2008-05-02 19:00:30 +0200 | [diff] [blame^] | 1 | #ifndef _ASM_HW_IRQ_H |
| 2 | #define _ASM_HW_IRQ_H |
| 3 | |
| 4 | /* |
| 5 | * (C) 1992, 1993 Linus Torvalds, (C) 1997 Ingo Molnar |
| 6 | * |
| 7 | * moved some of the old arch/i386/kernel/irq.h to here. VY |
| 8 | * |
| 9 | * IRQ/IPI changes taken from work by Thomas Radke |
| 10 | * <tomsoft@informatik.tu-chemnitz.de> |
| 11 | * |
| 12 | * hacked by Andi Kleen for x86-64. |
| 13 | * unified by tglx |
| 14 | */ |
| 15 | |
| 16 | #define NMI_VECTOR 0x02 |
| 17 | |
| 18 | #ifndef __ASSEMBLY__ |
| 19 | |
| 20 | #include <linux/percpu.h> |
| 21 | #include <linux/profile.h> |
| 22 | #include <linux/smp.h> |
| 23 | |
| 24 | #include <asm/atomic.h> |
| 25 | #include <asm/irq.h> |
| 26 | #include <asm/sections.h> |
| 27 | |
| 28 | #define platform_legacy_irq(irq) ((irq) < 16) |
| 29 | |
| 30 | /* Interrupt handlers registered during init_IRQ */ |
| 31 | extern void apic_timer_interrupt(void); |
| 32 | extern void error_interrupt(void); |
| 33 | extern void spurious_interrupt(void); |
| 34 | extern void thermal_interrupt(void); |
| 35 | extern void reschedule_interrupt(void); |
| 36 | |
| 37 | extern void invalidate_interrupt(void); |
| 38 | extern void invalidate_interrupt0(void); |
| 39 | extern void invalidate_interrupt1(void); |
| 40 | extern void invalidate_interrupt2(void); |
| 41 | extern void invalidate_interrupt3(void); |
| 42 | extern void invalidate_interrupt4(void); |
| 43 | extern void invalidate_interrupt5(void); |
| 44 | extern void invalidate_interrupt6(void); |
| 45 | extern void invalidate_interrupt7(void); |
| 46 | |
| 47 | extern void irq_move_cleanup_interrupt(void); |
| 48 | extern void threshold_interrupt(void); |
| 49 | |
| 50 | extern void call_function_interrupt(void); |
| 51 | |
| 52 | /* PIC specific functions */ |
| 53 | extern void disable_8259A_irq(unsigned int irq); |
| 54 | extern void enable_8259A_irq(unsigned int irq); |
| 55 | extern int i8259A_irq_pending(unsigned int irq); |
| 56 | extern void make_8259A_irq(unsigned int irq); |
| 57 | extern void init_8259A(int aeoi); |
| 58 | |
| 59 | /* IOAPIC */ |
| 60 | #define IO_APIC_IRQ(x) (((x) >= 16) || ((1<<(x)) & io_apic_irqs)) |
| 61 | extern unsigned long io_apic_irqs; |
| 62 | |
| 63 | extern void init_VISWS_APIC_irqs(void); |
| 64 | extern void setup_IO_APIC(void); |
| 65 | extern void disable_IO_APIC(void); |
| 66 | extern void print_IO_APIC(void); |
| 67 | extern int IO_APIC_get_PCI_irq_vector(int bus, int slot, int fn); |
| 68 | extern void setup_ioapic_dest(void); |
| 69 | |
| 70 | /* IPI functions */ |
| 71 | extern void send_IPI_self(int vector); |
| 72 | extern void send_IPI(int dest, int vector); |
| 73 | |
| 74 | /* Statistics */ |
| 75 | extern atomic_t irq_err_count; |
| 76 | extern atomic_t irq_mis_count; |
| 77 | |
| 78 | #endif /* !ASSEMBLY_ */ |
| 79 | |
| Thomas Gleixner | 96a388d | 2007-10-11 11:20:03 +0200 | [diff] [blame] | 80 | #ifdef CONFIG_X86_32 |
| 81 | # include "hw_irq_32.h" |
| 82 | #else |
| 83 | # include "hw_irq_64.h" |
| 84 | #endif |
| Thomas Gleixner | 2e08843 | 2008-05-02 19:00:30 +0200 | [diff] [blame^] | 85 | |
| 86 | #endif |