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 <generated/nr-irqs.h>
18
19 static __inline__ int
20 irq_canonicalize (int irq)
21 {
22 /*
23 * We do the legacy thing here of pretending that irqs < 16
24 * are 8259 irqs. This really shouldn't be necessary at all,
25 * but we keep it here as serial.c still uses it...
26 */
27 return ((irq == 2) ? 9 : irq);
28 }
29
30 extern void set_irq_affinity_info (unsigned int irq, int dest, int redir);
31
32 int create_irq(void);
33 void destroy_irq(unsigned int irq);
34
35 #endif /* _ASM_IA64_IRQ_H */