linux/include/asm-ia64/irq.h
Isaku Yamahata 213060a4d6 [IA64] pvops: paravirtualize NR_IRQS
Make NR_IRQ overridable by each pv instances.
Pv instance may need each own number of irqs so that
NR_IRQS should be the maximum number of nr_irqs each
pv instances need.

Cc: Jes Sorensen <jes@sgi.com>
Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp>
Signed-off-by: Tony Luck <tony.luck@intel.com>
2008-05-27 15:09:30 -07:00

35 lines
929 B
C

#ifndef _ASM_IA64_IRQ_H
#define _ASM_IA64_IRQ_H
/*
* Copyright (C) 1999-2000, 2002 Hewlett-Packard Co
* David Mosberger-Tang <davidm@hpl.hp.com>
* Stephane Eranian <eranian@hpl.hp.com>
*
* 11/24/98 S.Eranian updated TIMER_IRQ and irq_canonicalize
* 01/20/99 S.Eranian added keyboard interrupt
* 02/29/00 D.Mosberger moved most things into hw_irq.h
*/
#include <linux/types.h>
#include <linux/cpumask.h>
#include <asm-ia64/nr-irqs.h>
static __inline__ int
irq_canonicalize (int irq)
{
/*
* We do the legacy thing here of pretending that irqs < 16
* are 8259 irqs. This really shouldn't be necessary at all,
* but we keep it here as serial.c still uses it...
*/
return ((irq == 2) ? 9 : irq);
}
extern void set_irq_affinity_info (unsigned int irq, int dest, int redir);
bool is_affinity_mask_valid(cpumask_t cpumask);
#define is_affinity_mask_valid is_affinity_mask_valid
#endif /* _ASM_IA64_IRQ_H */