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/* SPDX-License-Identifier: GPL-2.0-or-later */
#ifdef __KERNEL__
#ifndef _ASM_POWERPC_IRQ_H
#define _ASM_POWERPC_IRQ_H
/*
*/
#include <linux/threads.h>
#include <linux/list.h>
#include <linux/radix-tree.h>
#include <asm/types.h>
#include <linux/atomic.h>
extern atomic_t ppc_n_lost_interrupts;
/* This number is used when no interrupt has been assigned */
#define NO_IRQ (0)
/* Total number of virq in the platform */
#define NR_IRQS CONFIG_NR_IRQS
/* Number of irqs reserved for a legacy isa controller */
#define NR_IRQS_LEGACY 16
extern irq_hw_number_t virq_to_hw(unsigned int virq);
static __inline__ int irq_canonicalize(int irq)
{
return irq;
}
extern int distribute_irqs;
struct pt_regs;
#if defined(CONFIG_BOOKE) || defined(CONFIG_40x)
/*
* Per-cpu stacks for handling critical, debug and machine check
* level interrupts.
*/
extern void *critirq_ctx[NR_CPUS];
extern void *dbgirq_ctx[NR_CPUS];
extern void *mcheckirq_ctx[NR_CPUS];
#endif
/*
* Per-cpu stacks for handling hard and soft interrupts.
*/
extern void *hardirq_ctx[NR_CPUS];
extern void *softirq_ctx[NR_CPUS];
extern void do_IRQ(struct pt_regs *regs);
extern void __init init_IRQ(void);
extern void __do_irq(struct pt_regs *regs);
int irq_choose_cpu(const struct cpumask *mask);
#endif /* _ASM_IRQ_H */
#endif /* __KERNEL__ */
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