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torvalds
GitHub Repository: torvalds/linux
 Path: blob/master/arch/parisc/include/asm/irq.h
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/* SPDX-License-Identifier: GPL-2.0 */

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/*

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 * include/asm-parisc/irq.h

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 *

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 * Copyright 2005 Matthew Wilcox <[email protected]>

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 */

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#ifndef _ASM_PARISC_IRQ_H

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#define _ASM_PARISC_IRQ_H

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#include <linux/cpumask.h>

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#include <asm/types.h>

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#define NO_IRQ		(-1)

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#ifdef CONFIG_GSC

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#define GSC_IRQ_BASE	16

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#define GSC_IRQ_MAX	63

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#define CPU_IRQ_BASE	64

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#else

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#define CPU_IRQ_BASE	16

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#endif

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#define TIMER_IRQ	(CPU_IRQ_BASE + 0)

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#define	IPI_IRQ		(CPU_IRQ_BASE + 1)

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#define CPU_IRQ_MAX	(CPU_IRQ_BASE + (BITS_PER_LONG - 1))

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#define NR_IRQS		(CPU_IRQ_MAX + 1)

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static __inline__ int irq_canonicalize(int irq)

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{

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	return (irq == 2) ? 9 : irq;

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}

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struct irq_chip;

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struct irq_data;

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void cpu_ack_irq(struct irq_data *d);

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void cpu_eoi_irq(struct irq_data *d);

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extern int txn_alloc_irq(unsigned int nbits);

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extern int txn_claim_irq(int);

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extern unsigned int txn_alloc_data(unsigned int);

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extern unsigned long txn_alloc_addr(unsigned int);

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extern unsigned long txn_affinity_addr(unsigned int irq, int cpu);

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extern int cpu_claim_irq(unsigned int irq, struct irq_chip *, void *);

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extern int cpu_check_affinity(struct irq_data *d, const struct cpumask *dest);

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#endif	/* _ASM_PARISC_IRQ_H */

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