1 /* hardirq.h: PA-RISC hard IRQ support. 2 * 3 * Copyright (C) 2001 Matthew Wilcox <matthew@wil.cx> 4 * Copyright (C) 2013 Helge Deller <deller@gmx.de> 5 */ 6 7 #ifndef _PARISC_HARDIRQ_H 8 #define _PARISC_HARDIRQ_H 9 10 #include <linux/cache.h> 11 #include <linux/threads.h> 12 #include <linux/irq.h> 13 14 #ifdef CONFIG_IRQSTACKS 15 #define __ARCH_HAS_DO_SOFTIRQ 16 #endif 17 18 typedef struct { 19 unsigned int __softirq_pending; 20 #ifdef CONFIG_DEBUG_STACKOVERFLOW 21 unsigned int kernel_stack_usage; 22 #ifdef CONFIG_IRQSTACKS 23 unsigned int irq_stack_usage; 24 unsigned int irq_stack_counter; 25 #endif 26 #endif 27 #ifdef CONFIG_SMP 28 unsigned int irq_resched_count; 29 unsigned int irq_call_count; 30 #endif 31 unsigned int irq_tlb_count; 32 } ____cacheline_aligned irq_cpustat_t; 33 34 DECLARE_PER_CPU_SHARED_ALIGNED(irq_cpustat_t, irq_stat); 35 36 #define __ARCH_IRQ_STAT 37 #define __IRQ_STAT(cpu, member) (irq_stat[cpu].member) 38 #define inc_irq_stat(member) this_cpu_inc(irq_stat.member) 39 #define __inc_irq_stat(member) __this_cpu_inc(irq_stat.member) 40 #define local_softirq_pending() this_cpu_read(irq_stat.__softirq_pending) 41 42 #define __ARCH_SET_SOFTIRQ_PENDING 43 44 #define set_softirq_pending(x) \ 45 this_cpu_write(irq_stat.__softirq_pending, (x)) 46 #define or_softirq_pending(x) this_cpu_or(irq_stat.__softirq_pending, (x)) 47 48 #define ack_bad_irq(irq) WARN(1, "unexpected IRQ trap at vector %02x\n", irq) 49 50 #endif /* _PARISC_HARDIRQ_H */ 51