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1da177e4 LT |
1 | #ifndef __ASM_HARDIRQ_H |
2 | #define __ASM_HARDIRQ_H | |
3 | ||
1da177e4 LT |
4 | #include <linux/cache.h> |
5 | #include <linux/threads.h> | |
6 | #include <asm/irq.h> | |
7 | ||
4a88abd7 RK |
8 | #define NR_IPI 5 |
9 | ||
1da177e4 LT |
10 | typedef struct { |
11 | unsigned int __softirq_pending; | |
cab8c6f3 | 12 | #ifdef CONFIG_SMP |
4a88abd7 | 13 | unsigned int ipi_irqs[NR_IPI]; |
cab8c6f3 | 14 | #endif |
1da177e4 LT |
15 | } ____cacheline_aligned irq_cpustat_t; |
16 | ||
17 | #include <linux/irq_cpustat.h> /* Standard mappings for irq_cpustat_t above */ | |
18 | ||
46c48f22 RK |
19 | #define __inc_irq_stat(cpu, member) __IRQ_STAT(cpu, member)++ |
20 | #define __get_irq_stat(cpu, member) __IRQ_STAT(cpu, member) | |
21 | ||
b54992fe RK |
22 | #ifdef CONFIG_SMP |
23 | u64 smp_irq_stat_cpu(unsigned int cpu); | |
24 | #else | |
25 | #define smp_irq_stat_cpu(cpu) 0 | |
26 | #endif | |
27 | ||
28 | #define arch_irq_stat_cpu smp_irq_stat_cpu | |
29 | ||
27ada410 MD |
30 | #if NR_IRQS > 512 |
31 | #define HARDIRQ_BITS 10 | |
32 | #elif NR_IRQS > 256 | |
1da177e4 LT |
33 | #define HARDIRQ_BITS 9 |
34 | #else | |
35 | #define HARDIRQ_BITS 8 | |
36 | #endif | |
37 | ||
38 | /* | |
39 | * The hardirq mask has to be large enough to have space | |
40 | * for potentially all IRQ sources in the system nesting | |
41 | * on a single CPU: | |
42 | */ | |
43 | #if (1 << HARDIRQ_BITS) < NR_IRQS | |
44 | # error HARDIRQ_BITS is too low! | |
45 | #endif | |
46 | ||
47 | #define __ARCH_IRQ_EXIT_IRQS_DISABLED 1 | |
48 | ||
49 | #endif /* __ASM_HARDIRQ_H */ |