diff options
Diffstat (limited to 'include/asm-x86/hw_irq_32.h')
-rw-r--r-- | include/asm-x86/hw_irq_32.h | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/include/asm-x86/hw_irq_32.h b/include/asm-x86/hw_irq_32.h new file mode 100644 index 000000000000..0bedbdf5e907 --- /dev/null +++ b/include/asm-x86/hw_irq_32.h | |||
@@ -0,0 +1,66 @@ | |||
1 | #ifndef _ASM_HW_IRQ_H | ||
2 | #define _ASM_HW_IRQ_H | ||
3 | |||
4 | /* | ||
5 | * linux/include/asm/hw_irq.h | ||
6 | * | ||
7 | * (C) 1992, 1993 Linus Torvalds, (C) 1997 Ingo Molnar | ||
8 | * | ||
9 | * moved some of the old arch/i386/kernel/irq.h to here. VY | ||
10 | * | ||
11 | * IRQ/IPI changes taken from work by Thomas Radke | ||
12 | * <tomsoft@informatik.tu-chemnitz.de> | ||
13 | */ | ||
14 | |||
15 | #include <linux/profile.h> | ||
16 | #include <asm/atomic.h> | ||
17 | #include <asm/irq.h> | ||
18 | #include <asm/sections.h> | ||
19 | |||
20 | #define NMI_VECTOR 0x02 | ||
21 | |||
22 | /* | ||
23 | * Various low-level irq details needed by irq.c, process.c, | ||
24 | * time.c, io_apic.c and smp.c | ||
25 | * | ||
26 | * Interrupt entry/exit code at both C and assembly level | ||
27 | */ | ||
28 | |||
29 | extern void (*interrupt[NR_IRQS])(void); | ||
30 | |||
31 | #ifdef CONFIG_SMP | ||
32 | fastcall void reschedule_interrupt(void); | ||
33 | fastcall void invalidate_interrupt(void); | ||
34 | fastcall void call_function_interrupt(void); | ||
35 | #endif | ||
36 | |||
37 | #ifdef CONFIG_X86_LOCAL_APIC | ||
38 | fastcall void apic_timer_interrupt(void); | ||
39 | fastcall void error_interrupt(void); | ||
40 | fastcall void spurious_interrupt(void); | ||
41 | fastcall void thermal_interrupt(void); | ||
42 | #define platform_legacy_irq(irq) ((irq) < 16) | ||
43 | #endif | ||
44 | |||
45 | void disable_8259A_irq(unsigned int irq); | ||
46 | void enable_8259A_irq(unsigned int irq); | ||
47 | int i8259A_irq_pending(unsigned int irq); | ||
48 | void make_8259A_irq(unsigned int irq); | ||
49 | void init_8259A(int aeoi); | ||
50 | void FASTCALL(send_IPI_self(int vector)); | ||
51 | void init_VISWS_APIC_irqs(void); | ||
52 | void setup_IO_APIC(void); | ||
53 | void disable_IO_APIC(void); | ||
54 | void print_IO_APIC(void); | ||
55 | int IO_APIC_get_PCI_irq_vector(int bus, int slot, int fn); | ||
56 | void send_IPI(int dest, int vector); | ||
57 | void setup_ioapic_dest(void); | ||
58 | |||
59 | extern unsigned long io_apic_irqs; | ||
60 | |||
61 | extern atomic_t irq_err_count; | ||
62 | extern atomic_t irq_mis_count; | ||
63 | |||
64 | #define IO_APIC_IRQ(x) (((x) >= 16) || ((1<<(x)) & io_apic_irqs)) | ||
65 | |||
66 | #endif /* _ASM_HW_IRQ_H */ | ||