1 | /* SPDX-License-Identifier: GPL-2.0 */ |
2 | #ifndef _ASM_X86_IRQ_H |
3 | #define _ASM_X86_IRQ_H |
4 | /* |
5 | * (C) 1992, 1993 Linus Torvalds, (C) 1997 Ingo Molnar |
6 | * |
7 | * IRQ/IPI changes taken from work by Thomas Radke |
8 | * <tomsoft@informatik.tu-chemnitz.de> |
9 | */ |
10 | |
11 | #include <asm/apicdef.h> |
12 | #include <asm/irq_vectors.h> |
13 | |
14 | static inline int irq_canonicalize(int irq) |
15 | { |
16 | return ((irq == 2) ? 9 : irq); |
17 | } |
18 | |
19 | #ifdef CONFIG_X86_32 |
20 | extern void irq_ctx_init(int cpu); |
21 | #else |
22 | # define irq_ctx_init(cpu) do { } while (0) |
23 | #endif |
24 | |
25 | #define __ARCH_HAS_DO_SOFTIRQ |
26 | |
27 | struct irq_desc; |
28 | |
29 | extern void fixup_irqs(void); |
30 | |
31 | #ifdef CONFIG_HAVE_KVM |
32 | extern void kvm_set_posted_intr_wakeup_handler(void (*handler)(void)); |
33 | extern __visible void smp_kvm_posted_intr_ipi(struct pt_regs *regs); |
34 | extern __visible void smp_kvm_posted_intr_wakeup_ipi(struct pt_regs *regs); |
35 | extern __visible void smp_kvm_posted_intr_nested_ipi(struct pt_regs *regs); |
36 | #endif |
37 | |
38 | extern void (*x86_platform_ipi_callback)(void); |
39 | extern void native_init_IRQ(void); |
40 | |
41 | extern bool handle_irq(struct irq_desc *desc, struct pt_regs *regs); |
42 | |
43 | extern __visible unsigned int do_IRQ(struct pt_regs *regs); |
44 | |
45 | extern void init_ISA_irqs(void); |
46 | |
47 | extern void __init init_IRQ(void); |
48 | |
49 | #ifdef CONFIG_X86_LOCAL_APIC |
50 | void arch_trigger_cpumask_backtrace(const struct cpumask *mask, |
51 | bool exclude_self); |
52 | |
53 | extern __visible void smp_x86_platform_ipi(struct pt_regs *regs); |
54 | #define arch_trigger_cpumask_backtrace arch_trigger_cpumask_backtrace |
55 | #endif |
56 | |
57 | #endif /* _ASM_X86_IRQ_H */ |
58 | |