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
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 struct irq_desc;
29
30 extern void fixup_irqs(void);
31
32 #if IS_ENABLED(CONFIG_KVM)
33 extern void kvm_set_posted_intr_wakeup_handler(void (*handler)(void));
34 #endif
35
36 extern void (*x86_platform_ipi_callback)(void);
37 extern void native_init_IRQ(void);
38
39 extern void __handle_irq(struct irq_desc *desc, struct pt_regs *regs);
40
41 extern void init_ISA_irqs(void);
42
43 #ifdef CONFIG_X86_LOCAL_APIC
44 void arch_trigger_cpumask_backtrace(const struct cpumask *mask,
45 int exclude_cpu);
46
47 #define arch_trigger_cpumask_backtrace arch_trigger_cpumask_backtrace
48 #endif
49
50 #endif /* _ASM_X86_IRQ_H */
51
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.