projects / mirror_ubuntu-bionic-kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| 1965aae3 PA |
1 | #ifndef _ASM_X86_HW_IRQ_H |
| 2 | #define _ASM_X86_HW_IRQ_H | |
| 2e088436 TG |
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 | ||
| 9b7dc567 | 16 | #include <asm/irq_vectors.h> |
| 2e088436 TG |
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 | ||
| 2e088436 TG |
28 | /* Interrupt handlers registered during init_IRQ */ |
| 29 | extern void apic_timer_interrupt(void); | |
| acaabe79 | 30 | extern void generic_interrupt(void); |
| 2e088436 | 31 | extern void error_interrupt(void); |
| b6276f35 | 32 | extern void perf_pending_interrupt(void); |
| 241771ef | 33 | |
| 2e088436 TG |
34 | extern void spurious_interrupt(void); |
| 35 | extern void thermal_interrupt(void); | |
| 36 | extern void reschedule_interrupt(void); | |
| ccc3c319 | 37 | extern void mce_self_interrupt(void); |
| 2e088436 TG |
38 | |
| 39 | extern void invalidate_interrupt(void); | |
| 40 | extern void invalidate_interrupt0(void); | |
| 41 | extern void invalidate_interrupt1(void); | |
| 42 | extern void invalidate_interrupt2(void); | |
| 43 | extern void invalidate_interrupt3(void); | |
| 44 | extern void invalidate_interrupt4(void); | |
| 45 | extern void invalidate_interrupt5(void); | |
| 46 | extern void invalidate_interrupt6(void); | |
| 47 | extern void invalidate_interrupt7(void); | |
| 48 | ||
| 49 | extern void irq_move_cleanup_interrupt(void); | |
| 4ef702c1 | 50 | extern void reboot_interrupt(void); |
| 2e088436 TG |
51 | extern void threshold_interrupt(void); |
| 52 | ||
| 53 | extern void call_function_interrupt(void); | |
| 1a781a77 | 54 | extern void call_function_single_interrupt(void); |
| 2e088436 TG |
55 | |
| 56 | /* PIC specific functions */ | |
| 57 | extern void disable_8259A_irq(unsigned int irq); | |
| 58 | extern void enable_8259A_irq(unsigned int irq); | |
| 59 | extern int i8259A_irq_pending(unsigned int irq); | |
| 60 | extern void make_8259A_irq(unsigned int irq); | |
| 61 | extern void init_8259A(int aeoi); | |
| 62 | ||
| 63 | /* IOAPIC */ | |
| abcaa2b8 | 64 | #define IO_APIC_IRQ(x) (((x) >= NR_IRQS_LEGACY) || ((1<<(x)) & io_apic_irqs)) |
| 2e088436 TG |
65 | extern unsigned long io_apic_irqs; |
| 66 | ||
| 67 | extern void init_VISWS_APIC_irqs(void); | |
| 68 | extern void setup_IO_APIC(void); | |
| 69 | extern void disable_IO_APIC(void); | |
| e5198075 YL |
70 | |
| 71 | struct io_apic_irq_attr { | |
| 72 | int ioapic; | |
| 73 | int ioapic_pin; | |
| 74 | int trigger; | |
| 75 | int polarity; | |
| 76 | }; | |
| 77 | ||
| 78 | static inline void set_io_apic_irq_attr(struct io_apic_irq_attr *irq_attr, | |
| 79 | int ioapic, int ioapic_pin, | |
| 80 | int trigger, int polarity) | |
| 81 | { | |
| 82 | irq_attr->ioapic = ioapic; | |
| 83 | irq_attr->ioapic_pin = ioapic_pin; | |
| 84 | irq_attr->trigger = trigger; | |
| 85 | irq_attr->polarity = polarity; | |
| 86 | } | |
| 87 | ||
| e20c06fd | 88 | extern int IO_APIC_get_PCI_irq_vector(int bus, int devfn, int pin, |
| e5198075 | 89 | struct io_apic_irq_attr *irq_attr); |
| 2e088436 TG |
90 | extern void setup_ioapic_dest(void); |
| 91 | ||
| 97e7b6f5 | 92 | extern void enable_IO_APIC(void); |
| 97e7b6f5 | 93 | |
| 2e088436 TG |
94 | /* Statistics */ |
| 95 | extern atomic_t irq_err_count; | |
| 96 | extern atomic_t irq_mis_count; | |
| 97 | ||
| 1a331957 TG |
98 | /* EISA */ |
| 99 | extern void eisa_set_level_irq(unsigned int irq); | |
| 100 | ||
| 2b97df06 JS |
101 | /* SMP */ |
| 102 | extern void smp_apic_timer_interrupt(struct pt_regs *); | |
| 2b97df06 | 103 | extern void smp_spurious_interrupt(struct pt_regs *); |
| 2c1b284e | 104 | extern void smp_generic_interrupt(struct pt_regs *); |
| 2b97df06 | 105 | extern void smp_error_interrupt(struct pt_regs *); |
| 2c1b284e JSR |
106 | #ifdef CONFIG_X86_IO_APIC |
| 107 | extern asmlinkage void smp_irq_move_cleanup_interrupt(void); | |
| 108 | #endif | |
| 3e5095d1 | 109 | #ifdef CONFIG_SMP |
| e7f08dfd JS |
110 | extern void smp_reschedule_interrupt(struct pt_regs *); |
| 111 | extern void smp_call_function_interrupt(struct pt_regs *); | |
| 112 | extern void smp_call_function_single_interrupt(struct pt_regs *); | |
| b2139aa0 JS |
113 | #ifdef CONFIG_X86_32 |
| 114 | extern void smp_invalidate_interrupt(struct pt_regs *); | |
| 115 | #else | |
| 116 | extern asmlinkage void smp_invalidate_interrupt(struct pt_regs *); | |
| 117 | #endif | |
| e7f08dfd | 118 | #endif |
| 2b97df06 | 119 | |
| 4687518c | 120 | extern void (*__initconst interrupt[NR_VECTORS-FIRST_EXTERNAL_VECTOR])(void); |
| 497c9a19 | 121 | |
| 22dc12d1 TG |
122 | typedef int vector_irq_t[NR_VECTORS]; |
| 123 | DECLARE_PER_CPU(vector_irq_t, vector_irq); | |
| d388e5fd | 124 | |
| 497c9a19 | 125 | #ifdef CONFIG_X86_IO_APIC |
| d388e5fd EB |
126 | extern void lock_vector_lock(void); |
| 127 | extern void unlock_vector_lock(void); | |
| 128 | extern void __setup_vector_irq(int cpu); | |
| 129 | #else | |
| 130 | static inline void lock_vector_lock(void) {} | |
| 131 | static inline void unlock_vector_lock(void) {} | |
| 132 | static inline void __setup_vector_irq(int cpu) {} | |
| 133 | #endif | |
| 2e088436 | 134 | |
| 22dc12d1 TG |
135 | #endif /* !ASSEMBLY_ */ |
| 136 | ||
| 1965aae3 | 137 | #endif /* _ASM_X86_HW_IRQ_H */ |