| 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
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| 2 | #ifndef _ASM_X86_IRQ_H |
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| 3 | #define _ASM_X86_IRQ_H |
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| 4 | /* |
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| 5 | * (C) 1992, 1993 Linus Torvalds, (C) 1997 Ingo Molnar |
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| 6 | * |
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| 7 | * IRQ/IPI changes taken from work by Thomas Radke |
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| 8 | * <tomsoft@informatik.tu-chemnitz.de> |
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| 9 | */ |
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| 10 | |
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| 11 | #include <asm/apicdef.h> |
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| 12 | #include <asm/irq_vectors.h> |
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| 13 | |
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| 14 | /* |
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| 15 | * The irq entry code is in the noinstr section and the start/end of |
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| 16 | * __irqentry_text is emitted via labels. Make the build fail if |
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| 17 | * something moves a C function into the __irq_entry section. |
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| 18 | */ |
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| 19 | #define __irq_entry __invalid_section |
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| 20 | |
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| 21 | static inline int irq_canonicalize(int irq) |
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| 22 | { |
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| 23 | return ((irq == 2) ? 9 : irq); |
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| 24 | } |
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| 25 | |
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| 26 | extern int irq_init_percpu_irqstack(unsigned int cpu); |
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| 27 | |
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| 28 | struct irq_desc; |
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| 29 | |
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| 30 | extern void fixup_irqs(void); |
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| 31 | |
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| 32 | #ifdef CONFIG_HAVE_KVM |
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| 33 | extern void kvm_set_posted_intr_wakeup_handler(void (*handler)(void)); |
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| 34 | #endif |
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| 35 | |
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| 36 | extern void (*x86_platform_ipi_callback)(void); |
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| 37 | extern void native_init_IRQ(void); |
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| 38 | |
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| 39 | extern void __handle_irq(struct irq_desc *desc, struct pt_regs *regs); |
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| 40 | |
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| 41 | extern void init_ISA_irqs(void); |
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| 42 | |
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| 43 | #ifdef CONFIG_X86_LOCAL_APIC |
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| 44 | void arch_trigger_cpumask_backtrace(const struct cpumask *mask, |
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| 45 | int exclude_cpu); |
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| 46 | |
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| 47 | #define arch_trigger_cpumask_backtrace arch_trigger_cpumask_backtrace |
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| 48 | #endif |
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| 49 | |
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| 50 | #endif /* _ASM_X86_IRQ_H */ |
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| 51 | |
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