| #ifndef __ASM_HARDIRQ_H |
| #define __ASM_HARDIRQ_H |
| |
| #include <linux/cache.h> |
| #include <linux/threads.h> |
| #include <asm/irq.h> |
| |
| typedef struct { |
| unsigned int __softirq_pending; |
| #ifdef CONFIG_LOCAL_TIMERS |
| unsigned int local_timer_irqs; |
| #endif |
| } ____cacheline_aligned irq_cpustat_t; |
| |
| #include <linux/irq_cpustat.h> /* Standard mappings for irq_cpustat_t above */ |
| |
| #define __inc_irq_stat(cpu, member) __IRQ_STAT(cpu, member)++ |
| #define __get_irq_stat(cpu, member) __IRQ_STAT(cpu, member) |
| |
| #if NR_IRQS > 512 |
| #define HARDIRQ_BITS 10 |
| #elif NR_IRQS > 256 |
| #define HARDIRQ_BITS 9 |
| #else |
| #define HARDIRQ_BITS 8 |
| #endif |
| |
| /* |
| * The hardirq mask has to be large enough to have space |
| * for potentially all IRQ sources in the system nesting |
| * on a single CPU: |
| */ |
| #if (1 << HARDIRQ_BITS) < NR_IRQS |
| # error HARDIRQ_BITS is too low! |
| #endif |
| |
| #define __ARCH_IRQ_EXIT_IRQS_DISABLED 1 |
| |
| #endif /* __ASM_HARDIRQ_H */ |