projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 1da177e4 LT |
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 | ||
| 25d61578 JK |
14 | #include <linux/types.h> |
| 15 | #include <linux/cpumask.h> | |
| 16 | ||
| 4994be1b YI |
17 | #define NR_VECTORS 256 |
| 18 | ||
| 19 | #if (NR_VECTORS + 32 * NR_CPUS) < 1024 | |
| 20 | #define NR_IRQS (NR_VECTORS + 32 * NR_CPUS) | |
| 21 | #else | |
| 22 | #define NR_IRQS 1024 | |
| 23 | #endif | |
| 1da177e4 LT |
24 | |
| 25 | static __inline__ int | |
| 26 | irq_canonicalize (int irq) | |
| 27 | { | |
| 28 | /* | |
| 29 | * We do the legacy thing here of pretending that irqs < 16 | |
| 30 | * are 8259 irqs. This really shouldn't be necessary at all, | |
| 31 | * but we keep it here as serial.c still uses it... | |
| 32 | */ | |
| 33 | return ((irq == 2) ? 9 : irq); | |
| 34 | } | |
| 35 | ||
| 1da177e4 | 36 | extern void set_irq_affinity_info (unsigned int irq, int dest, int redir); |
| 25d61578 JK |
37 | bool is_affinity_mask_valid(cpumask_t cpumask); |
| 38 | ||
| 39 | #define is_affinity_mask_valid is_affinity_mask_valid | |
| 1da177e4 | 40 | |
| 1da177e4 | 41 | #endif /* _ASM_IA64_IRQ_H */ |