1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #ifndef _ASM_IA64_IRQ_H 3 #define _ASM_IA64_IRQ_H 4 5 /* 6 * Copyright (C) 1999-2000, 2002 Hewlett-Packard Co 7 * David Mosberger-Tang <davidm@hpl.hp.com> 8 * Stephane Eranian <eranian@hpl.hp.com> 9 * 10 * 11/24/98 S.Eranian updated TIMER_IRQ and irq_canonicalize 11 * 01/20/99 S.Eranian added keyboard interrupt 12 * 02/29/00 D.Mosberger moved most things into hw_irq.h 13 */ 14 15 #include <linux/types.h> 16 #include <linux/cpumask.h> 17 #include <asm/native/irq.h> 18 19 #define NR_IRQS IA64_NATIVE_NR_IRQS 20 21 static __inline__ int 22 irq_canonicalize (int irq) 23 { 24 /* 25 * We do the legacy thing here of pretending that irqs < 16 26 * are 8259 irqs. This really shouldn't be necessary at all, 27 * but we keep it here as serial.c still uses it... 28 */ 29 return ((irq == 2) ? 9 : irq); 30 } 31 32 extern void set_irq_affinity_info (unsigned int irq, int dest, int redir); 33 34 int create_irq(void); 35 void destroy_irq(unsigned int irq); 36 37 #endif /* _ASM_IA64_IRQ_H */ 38