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
14static inline int irq_canonicalize(int irq)
15{
16	return ((irq == 2) ? 9 : irq);
17}
18
19#ifdef CONFIG_X86_32
20extern 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
27struct irq_desc;
28
29extern void fixup_irqs(void);
30
31#ifdef CONFIG_HAVE_KVM
32extern void kvm_set_posted_intr_wakeup_handler(void (*handler)(void));
33#endif
34
35extern void (*x86_platform_ipi_callback)(void);
36extern void native_init_IRQ(void);
37
38extern bool handle_irq(struct irq_desc *desc, struct pt_regs *regs);
39
40extern __visible unsigned int do_IRQ(struct pt_regs *regs);
41
42extern void init_ISA_irqs(void);
43
44#ifdef CONFIG_X86_LOCAL_APIC
45void arch_trigger_cpumask_backtrace(const struct cpumask *mask,
46				    bool exclude_self);
47#define arch_trigger_cpumask_backtrace arch_trigger_cpumask_backtrace
48#endif
49
50#endif /* _ASM_X86_IRQ_H */

 1#ifndef _ASM_X86_IRQ_H
 2#define _ASM_X86_IRQ_H
 3/*
 4 *	(C) 1992, 1993 Linus Torvalds, (C) 1997 Ingo Molnar
 5 *
 6 *	IRQ/IPI changes taken from work by Thomas Radke
 7 *	<tomsoft@informatik.tu-chemnitz.de>
 8 */
 9
10#include <asm/apicdef.h>
11#include <asm/irq_vectors.h>
12
13static inline int irq_canonicalize(int irq)
14{
15	return ((irq == 2) ? 9 : irq);
16}
17
18#ifdef CONFIG_X86_32
19extern void irq_ctx_init(int cpu);
20#else
21# define irq_ctx_init(cpu) do { } while (0)
22#endif
23
24#define __ARCH_HAS_DO_SOFTIRQ
25
26struct irq_desc;
27
28#ifdef CONFIG_HOTPLUG_CPU
29#include <linux/cpumask.h>
30extern int check_irq_vectors_for_cpu_disable(void);
31extern void fixup_irqs(void);
32extern void irq_force_complete_move(struct irq_desc *desc);
33#endif
34
35#ifdef CONFIG_HAVE_KVM
36extern void kvm_set_posted_intr_wakeup_handler(void (*handler)(void));
37#endif
38
39extern void (*x86_platform_ipi_callback)(void);
40extern void native_init_IRQ(void);
41
42extern bool handle_irq(struct irq_desc *desc, struct pt_regs *regs);
43
44extern __visible unsigned int do_IRQ(struct pt_regs *regs);
45
46/* Interrupt vector management */
47extern DECLARE_BITMAP(used_vectors, NR_VECTORS);
48extern int vector_used_by_percpu_irq(unsigned int vector);
49
50extern void init_ISA_irqs(void);
51
52#ifdef CONFIG_X86_LOCAL_APIC
53void arch_trigger_cpumask_backtrace(const struct cpumask *mask,
54				    bool exclude_self);
55#define arch_trigger_cpumask_backtrace arch_trigger_cpumask_backtrace
56#endif
57
58#endif /* _ASM_X86_IRQ_H */