projects / mirror_ubuntu-eoan-kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| 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 */ |