1 #ifndef __BFIN_HARDIRQ_H 2 #define __BFIN_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 unsigned int __syscall_count; 11 struct task_struct *__ksoftirqd_task; 12 } ____cacheline_aligned irq_cpustat_t; 13 14 #include <linux/irq_cpustat.h> /* Standard mappings for irq_cpustat_t above */ 15 16 /* 17 * We put the hardirq and softirq counter into the preemption 18 * counter. The bitmask has the following meaning: 19 * 20 * - bits 0-7 are the preemption count (max preemption depth: 256) 21 * - bits 8-15 are the softirq count (max # of softirqs: 256) 22 * - bits 16-23 are the hardirq count (max # of hardirqs: 256) 23 * 24 * - ( bit 26 is the PREEMPT_ACTIVE flag. ) 25 * 26 * PREEMPT_MASK: 0x000000ff 27 * HARDIRQ_MASK: 0x0000ff00 28 * SOFTIRQ_MASK: 0x00ff0000 29 */ 30 31 #if NR_IRQS > 256 32 #define HARDIRQ_BITS 9 33 #else 34 #define HARDIRQ_BITS 8 35 #endif 36 37 #ifdef NR_IRQS 38 # if (1 << HARDIRQ_BITS) < NR_IRQS 39 # error HARDIRQ_BITS is too low! 40 # endif 41 #endif 42 43 #define __ARCH_IRQ_EXIT_IRQS_DISABLED 1 44 45 extern void ack_bad_irq(unsigned int irq); 46 47 #endif 48