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 #define NR_IPI 5 9 10 typedef struct { 11 unsigned int __softirq_pending; 12 #ifdef CONFIG_LOCAL_TIMERS 13 unsigned int local_timer_irqs; 14 #endif 15 #ifdef CONFIG_SMP 16 unsigned int ipi_irqs[NR_IPI]; 17 #endif 18 } ____cacheline_aligned irq_cpustat_t; 19 20 #include <linux/irq_cpustat.h> /* Standard mappings for irq_cpustat_t above */ 21 22 #define __inc_irq_stat(cpu, member) __IRQ_STAT(cpu, member)++ 23 #define __get_irq_stat(cpu, member) __IRQ_STAT(cpu, member) 24 25 #ifdef CONFIG_SMP 26 u64 smp_irq_stat_cpu(unsigned int cpu); 27 #else 28 #define smp_irq_stat_cpu(cpu) 0 29 #endif 30 31 #define arch_irq_stat_cpu smp_irq_stat_cpu 32 33 #if NR_IRQS > 512 34 #define HARDIRQ_BITS 10 35 #elif NR_IRQS > 256 36 #define HARDIRQ_BITS 9 37 #else 38 #define HARDIRQ_BITS 8 39 #endif 40 41 /* 42 * The hardirq mask has to be large enough to have space 43 * for potentially all IRQ sources in the system nesting 44 * on a single CPU: 45 */ 46 #if (1 << HARDIRQ_BITS) < NR_IRQS 47 # error HARDIRQ_BITS is too low! 48 #endif 49 50 #define __ARCH_IRQ_EXIT_IRQS_DISABLED 1 51 52 #endif /* __ASM_HARDIRQ_H */ 53