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