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 /*
15  * The irq entry code is in the noinstr section and the start/end of
16  * __irqentry_text is emitted via labels. Make the build fail if
17  * something moves a C function into the __irq_entry section.
18  */
19 #define __irq_entry __invalid_section
20 
irq_canonicalize(int irq)21 static inline int irq_canonicalize(int irq)
22 {
23 	return ((irq == 2) ? 9 : irq);
24 }
25 
26 extern int irq_init_percpu_irqstack(unsigned int cpu);
27 
28 #define __ARCH_HAS_DO_SOFTIRQ
29 
30 struct irq_desc;
31 
32 extern void fixup_irqs(void);
33 
34 #ifdef CONFIG_HAVE_KVM
35 extern void kvm_set_posted_intr_wakeup_handler(void (*handler)(void));
36 #endif
37 
38 extern void (*x86_platform_ipi_callback)(void);
39 extern void native_init_IRQ(void);
40 
41 extern void __handle_irq(struct irq_desc *desc, struct pt_regs *regs);
42 
43 extern __visible void do_IRQ(struct pt_regs *regs, unsigned long vector);
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 #define arch_trigger_cpumask_backtrace arch_trigger_cpumask_backtrace
54 #endif
55 
56 #endif /* _ASM_X86_IRQ_H */
57