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 extern int irq_init_percpu_irqstack(unsigned int cpu); 20 21 #define __ARCH_HAS_DO_SOFTIRQ 22 23 struct irq_desc; 24 25 extern void fixup_irqs(void); 26 27 #ifdef CONFIG_HAVE_KVM 28 extern void kvm_set_posted_intr_wakeup_handler(void (*handler)(void)); 29 extern __visible void smp_kvm_posted_intr_ipi(struct pt_regs *regs); 30 extern __visible void smp_kvm_posted_intr_wakeup_ipi(struct pt_regs *regs); 31 extern __visible void smp_kvm_posted_intr_nested_ipi(struct pt_regs *regs); 32 #endif 33 34 extern void (*x86_platform_ipi_callback)(void); 35 extern void native_init_IRQ(void); 36 37 extern void handle_irq(struct irq_desc *desc, struct pt_regs *regs); 38 39 extern __visible unsigned int do_IRQ(struct pt_regs *regs); 40 41 extern void init_ISA_irqs(void); 42 43 extern void __init init_IRQ(void); 44 45 #ifdef CONFIG_X86_LOCAL_APIC 46 void arch_trigger_cpumask_backtrace(const struct cpumask *mask, 47 bool exclude_self); 48 49 extern __visible void smp_x86_platform_ipi(struct pt_regs *regs); 50 #define arch_trigger_cpumask_backtrace arch_trigger_cpumask_backtrace 51 #endif 52 53 #endif /* _ASM_X86_IRQ_H */ 54