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1da177e4 LT |
1 | #ifdef __KERNEL__ |
2 | #ifndef __ASM_HARDIRQ_H | |
3 | #define __ASM_HARDIRQ_H | |
4 | ||
1da177e4 LT |
5 | #include <linux/threads.h> |
6 | #include <linux/irq.h> | |
7 | ||
8 | typedef struct { | |
9 | unsigned int __softirq_pending; | |
10 | } ____cacheline_aligned irq_cpustat_t; | |
11 | ||
12 | #include <linux/irq_cpustat.h> /* Standard mappings for irq_cpustat_t above */ | |
13 | ||
14 | #if NR_IRQS > 256 | |
15 | #define HARDIRQ_BITS 9 | |
16 | #else | |
17 | #define HARDIRQ_BITS 8 | |
18 | #endif | |
19 | ||
20 | /* | |
21 | * The hardirq mask has to be large enough to have | |
22 | * space for potentially all IRQ sources in the system | |
23 | * nesting on a single CPU: | |
24 | */ | |
25 | #if (1 << HARDIRQ_BITS) < NR_IRQS | |
26 | # error HARDIRQ_BITS is too low! | |
27 | #endif | |
28 | ||
29 | static inline void ack_bad_irq(int irq) | |
30 | { | |
31 | printk(KERN_CRIT "unexpected IRQ trap at vector %02x\n", irq); | |
32 | BUG(); | |
33 | } | |
34 | ||
35 | #endif /* __ASM_HARDIRQ_H */ | |
36 | #endif /* __KERNEL__ */ |