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x86, trace: Add irq vector tracepoints
[mirror_ubuntu-bionic-kernel.git] / arch / x86 / include / asm / hw_irq.h
CommitLineData
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
60063497 24#include <linux/atomic.h>
2e088436
TG		 25#include <asm/irq.h>
26#include <asm/sections.h>
27
2e088436
TG		 28/* Interrupt handlers registered during init_IRQ */
29extern void apic_timer_interrupt(void);
4a4de9c7 30extern void x86_platform_ipi(void);
d78f2664 31extern void kvm_posted_intr_ipi(void);
2e088436 32extern void error_interrupt(void);
e360adbe 33extern void irq_work_interrupt(void);
241771ef 34
2e088436
TG		 35extern void spurious_interrupt(void);
36extern void thermal_interrupt(void);
37extern void reschedule_interrupt(void);
38
39extern void invalidate_interrupt(void);
40extern void invalidate_interrupt0(void);
41extern void invalidate_interrupt1(void);
42extern void invalidate_interrupt2(void);
43extern void invalidate_interrupt3(void);
44extern void invalidate_interrupt4(void);
45extern void invalidate_interrupt5(void);
46extern void invalidate_interrupt6(void);
47extern void invalidate_interrupt7(void);
3a09fb45
SL		 48extern void invalidate_interrupt8(void);
49extern void invalidate_interrupt9(void);
50extern void invalidate_interrupt10(void);
51extern void invalidate_interrupt11(void);
52extern void invalidate_interrupt12(void);
53extern void invalidate_interrupt13(void);
54extern void invalidate_interrupt14(void);
55extern void invalidate_interrupt15(void);
56extern void invalidate_interrupt16(void);
57extern void invalidate_interrupt17(void);
58extern void invalidate_interrupt18(void);
59extern void invalidate_interrupt19(void);
60extern void invalidate_interrupt20(void);
61extern void invalidate_interrupt21(void);
62extern void invalidate_interrupt22(void);
63extern void invalidate_interrupt23(void);
64extern void invalidate_interrupt24(void);
65extern void invalidate_interrupt25(void);
66extern void invalidate_interrupt26(void);
67extern void invalidate_interrupt27(void);
68extern void invalidate_interrupt28(void);
69extern void invalidate_interrupt29(void);
70extern void invalidate_interrupt30(void);
71extern void invalidate_interrupt31(void);
2e088436
TG		 72
73extern void irq_move_cleanup_interrupt(void);
4ef702c1 74extern void reboot_interrupt(void);
2e088436
TG		 75extern void threshold_interrupt(void);
76
77extern void call_function_interrupt(void);
1a781a77 78extern void call_function_single_interrupt(void);
2e088436 79
cf910e83
SA		 80#ifdef CONFIG_TRACING
81/* Interrupt handlers registered during init_IRQ */
82extern void trace_apic_timer_interrupt(void);
83extern void trace_x86_platform_ipi(void);
84extern void trace_error_interrupt(void);
85extern void trace_irq_work_interrupt(void);
86extern void trace_spurious_interrupt(void);
87extern void trace_thermal_interrupt(void);
88extern void trace_reschedule_interrupt(void);
89extern void trace_threshold_interrupt(void);
90extern void trace_call_function_interrupt(void);
91extern void trace_call_function_single_interrupt(void);
92#define trace_irq_move_cleanup_interrupt irq_move_cleanup_interrupt
93#define trace_reboot_interrupt reboot_interrupt
94#define trace_kvm_posted_intr_ipi kvm_posted_intr_ipi
95#endif /* CONFIG_TRACING */
96
2e088436 97/* IOAPIC */
abcaa2b8 98#define IO_APIC_IRQ(x) (((x) >= NR_IRQS_LEGACY) || ((1<<(x)) & io_apic_irqs))
2e088436
TG		 99extern unsigned long io_apic_irqs;
100
101extern void init_VISWS_APIC_irqs(void);
102extern void setup_IO_APIC(void);
103extern void disable_IO_APIC(void);
e5198075
YL		 104
105struct io_apic_irq_attr {
106 int ioapic;
107 int ioapic_pin;
108 int trigger;
109 int polarity;
110};
111
112static inline void set_io_apic_irq_attr(struct io_apic_irq_attr *irq_attr,
113 int ioapic, int ioapic_pin,
114 int trigger, int polarity)
115{
9338ad6f
DS		 116 irq_attr->ioapic = ioapic;
117 irq_attr->ioapic_pin = ioapic_pin;
118 irq_attr->trigger = trigger;
119 irq_attr->polarity = polarity;
e5198075
YL		 120}
121
819508d3 122/* Intel specific interrupt remapping information */
423f0859
TG		 123struct irq_2_iommu {
124 struct intel_iommu *iommu;
125 u16 irte_index;
126 u16 sub_handle;
127 u8 irte_mask;
128};
129
819508d3
JR		 130/* AMD specific interrupt remapping information */
131struct irq_2_irte {
132 u16 devid; /* Device ID for IRTE table */
133 u16 index; /* Index into IRTE table*/
134};
135
9338ad6f
DS		 136/*
137 * This is performance-critical, we want to do it O(1)
138 *
139 * Most irqs are mapped 1:1 with pins.
140 */
141struct irq_cfg {
142 struct irq_pin_list *irq_2_pin;
143 cpumask_var_t domain;
144 cpumask_var_t old_domain;
9338ad6f
DS		 145 u8 vector;
146 u8 move_in_progress : 1;
d3f13810 147#ifdef CONFIG_IRQ_REMAP
9b1b0e42 148 u8 remapped : 1;
819508d3
JR		 149 union {
150 struct irq_2_iommu irq_2_iommu;
151 struct irq_2_irte irq_2_irte;
152 };
423f0859 153#endif
9338ad6f
DS		 154};
155
9338ad6f
DS		 156extern int assign_irq_vector(int, struct irq_cfg *, const struct cpumask *);
157extern void send_cleanup_vector(struct irq_cfg *);
7ec13187 158
f7e909ea
TG		 159struct irq_data;
160int __ioapic_set_affinity(struct irq_data *, const struct cpumask *,
161 unsigned int *dest_id);
9338ad6f 162extern int IO_APIC_get_PCI_irq_vector(int bus, int devfn, int pin, struct io_apic_irq_attr *irq_attr);
2e088436
TG		 163extern void setup_ioapic_dest(void);
164
97e7b6f5 165extern void enable_IO_APIC(void);
97e7b6f5 166
2e088436
TG		 167/* Statistics */
168extern atomic_t irq_err_count;
169extern atomic_t irq_mis_count;
170
1a331957
TG		 171/* EISA */
172extern void eisa_set_level_irq(unsigned int irq);
173
2b97df06
JS		 174/* SMP */
175extern void smp_apic_timer_interrupt(struct pt_regs *);
2b97df06 176extern void smp_spurious_interrupt(struct pt_regs *);
4a4de9c7 177extern void smp_x86_platform_ipi(struct pt_regs *);
2b97df06 178extern void smp_error_interrupt(struct pt_regs *);
2c1b284e
JSR		 179#ifdef CONFIG_X86_IO_APIC
180extern asmlinkage void smp_irq_move_cleanup_interrupt(void);
181#endif
3e5095d1 182#ifdef CONFIG_SMP
e7f08dfd
JS		 183extern void smp_reschedule_interrupt(struct pt_regs *);
184extern void smp_call_function_interrupt(struct pt_regs *);
185extern void smp_call_function_single_interrupt(struct pt_regs *);
b2139aa0
JS		 186#ifdef CONFIG_X86_32
187extern void smp_invalidate_interrupt(struct pt_regs *);
188#else
189extern asmlinkage void smp_invalidate_interrupt(struct pt_regs *);
190#endif
e7f08dfd 191#endif
2b97df06 192
4687518c 193extern void (*__initconst interrupt[NR_VECTORS-FIRST_EXTERNAL_VECTOR])(void);
497c9a19 194
22dc12d1
TG		 195typedef int vector_irq_t[NR_VECTORS];
196DECLARE_PER_CPU(vector_irq_t, vector_irq);
36e9e1ea 197extern void setup_vector_irq(int cpu);
d388e5fd 198
497c9a19 199#ifdef CONFIG_X86_IO_APIC
d388e5fd
EB		 200extern void lock_vector_lock(void);
201extern void unlock_vector_lock(void);
202extern void __setup_vector_irq(int cpu);
203#else
204static inline void lock_vector_lock(void) {}
205static inline void unlock_vector_lock(void) {}
206static inline void __setup_vector_irq(int cpu) {}
207#endif
2e088436 208
22dc12d1
TG		 209#endif /* !ASSEMBLY_ */
210
1965aae3 211#endif /* _ASM_X86_HW_IRQ_H */
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