4994be1b3f
Add fundamental support for multiple vector domain. There still exists only one vector domain even with this patch. IRQ migration across domain is not supported yet by this patch. Signed-off-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com> Signed-off-by: Yasuaki Ishimatsu <isimatu.yasuaki@jp.fujitsu.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
45 lines
1.1 KiB
C
45 lines
1.1 KiB
C
#ifndef _ASM_IA64_IRQ_H
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#define _ASM_IA64_IRQ_H
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/*
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* Copyright (C) 1999-2000, 2002 Hewlett-Packard Co
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* David Mosberger-Tang <davidm@hpl.hp.com>
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* Stephane Eranian <eranian@hpl.hp.com>
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*
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* 11/24/98 S.Eranian updated TIMER_IRQ and irq_canonicalize
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* 01/20/99 S.Eranian added keyboard interrupt
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* 02/29/00 D.Mosberger moved most things into hw_irq.h
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*/
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#include <linux/types.h>
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#include <linux/cpumask.h>
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#define NR_VECTORS 256
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#if (NR_VECTORS + 32 * NR_CPUS) < 1024
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#define NR_IRQS (NR_VECTORS + 32 * NR_CPUS)
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#else
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#define NR_IRQS 1024
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#endif
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static __inline__ int
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irq_canonicalize (int irq)
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{
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/*
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* We do the legacy thing here of pretending that irqs < 16
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* are 8259 irqs. This really shouldn't be necessary at all,
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* but we keep it here as serial.c still uses it...
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*/
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return ((irq == 2) ? 9 : irq);
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}
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extern void disable_irq (unsigned int);
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extern void disable_irq_nosync (unsigned int);
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extern void enable_irq (unsigned int);
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extern void set_irq_affinity_info (unsigned int irq, int dest, int redir);
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bool is_affinity_mask_valid(cpumask_t cpumask);
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#define is_affinity_mask_valid is_affinity_mask_valid
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#endif /* _ASM_IA64_IRQ_H */
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