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 #ifdef CONFIG_SMP 14 unsigned int ipi_irqs; 15 #endif 16 } ____cacheline_aligned irq_cpustat_t; 17 18 #include <linux/irq_cpustat.h> /* Standard mappings for irq_cpustat_t above */ 19 20 #define __inc_irq_stat(cpu, member) __IRQ_STAT(cpu, member)++ 21 #define __get_irq_stat(cpu, member) __IRQ_STAT(cpu, member) 22 23 #if NR_IRQS > 512 24 #define HARDIRQ_BITS 10 25 #elif NR_IRQS > 256 26 #define HARDIRQ_BITS 9 27 #else 28 #define HARDIRQ_BITS 8 29 #endif 30 31 /* 32 * The hardirq mask has to be large enough to have space 33 * for potentially all IRQ sources in the system nesting 34 * on a single CPU: 35 */ 36 #if (1 << HARDIRQ_BITS) < NR_IRQS 37 # error HARDIRQ_BITS is too low! 38 #endif 39 40 #define __ARCH_IRQ_EXIT_IRQS_DISABLED 1 41 42 #endif /* __ASM_HARDIRQ_H */ 43