xref: /openbmc/linux/arch/ia64/include/asm/irq.h (revision 565d76cb)
1 #ifndef _ASM_IA64_IRQ_H
2 #define _ASM_IA64_IRQ_H
3 
4 /*
5  * Copyright (C) 1999-2000, 2002 Hewlett-Packard Co
6  *	David Mosberger-Tang <davidm@hpl.hp.com>
7  *	Stephane Eranian <eranian@hpl.hp.com>
8  *
9  * 11/24/98	S.Eranian 	updated TIMER_IRQ and irq_canonicalize
10  * 01/20/99	S.Eranian	added keyboard interrupt
11  * 02/29/00     D.Mosberger	moved most things into hw_irq.h
12  */
13 
14 #include <linux/types.h>
15 #include <linux/cpumask.h>
16 #include <generated/nr-irqs.h>
17 
18 static __inline__ int
19 irq_canonicalize (int irq)
20 {
21 	/*
22 	 * We do the legacy thing here of pretending that irqs < 16
23 	 * are 8259 irqs.  This really shouldn't be necessary at all,
24 	 * but we keep it here as serial.c still uses it...
25 	 */
26 	return ((irq == 2) ? 9 : irq);
27 }
28 
29 extern void set_irq_affinity_info (unsigned int irq, int dest, int redir);
30 bool is_affinity_mask_valid(const struct cpumask *cpumask);
31 
32 #define is_affinity_mask_valid is_affinity_mask_valid
33 
34 #endif /* _ASM_IA64_IRQ_H */
35