1 #ifndef __ASM_HARDIRQ_H 2 #define __ASM_HARDIRQ_H 3 4 #include <linux/cache.h> 5 #include <linux/threads.h> 6 #include <asm/irq.h> 7 8 typedef struct { 9 unsigned int __softirq_pending; 10 #ifdef CONFIG_LOCAL_TIMERS 11 unsigned int local_timer_irqs; 12 #endif 13 } ____cacheline_aligned irq_cpustat_t; 14 15 #include <linux/irq_cpustat.h> /* Standard mappings for irq_cpustat_t above */ 16 17 #define __inc_irq_stat(cpu, member) __IRQ_STAT(cpu, member)++ 18 #define __get_irq_stat(cpu, member) __IRQ_STAT(cpu, member) 19 20 #if NR_IRQS > 512 21 #define HARDIRQ_BITS 10 22 #elif NR_IRQS > 256 23 #define HARDIRQ_BITS 9 24 #else 25 #define HARDIRQ_BITS 8 26 #endif 27 28 /* 29 * The hardirq mask has to be large enough to have space 30 * for potentially all IRQ sources in the system nesting 31 * on a single CPU: 32 */ 33 #if (1 << HARDIRQ_BITS) < NR_IRQS 34 # error HARDIRQ_BITS is too low! 35 #endif 36 37 #define __ARCH_IRQ_EXIT_IRQS_DISABLED 1 38 39 #endif /* __ASM_HARDIRQ_H */ 40