| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | #ifdef __KERNEL__ |
| 2 | #ifndef __ASM_HARDIRQ_H |
| 3 | #define __ASM_HARDIRQ_H |
| 4 | |
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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__ */ |