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 unsigned int kernel_stack_usage; 21 unsigned int irq_stack_usage; 22 #ifdef CONFIG_SMP 23 unsigned int irq_resched_count; 24 #endif 25 unsigned int irq_unaligned_count; 26 unsigned int irq_fpassist_count; 27 unsigned int irq_tlb_count; 28 } ____cacheline_aligned irq_cpustat_t; 29 30 DECLARE_PER_CPU_SHARED_ALIGNED(irq_cpustat_t, irq_stat); 31 32 #define __ARCH_IRQ_STAT 33 #define __IRQ_STAT(cpu, member) (irq_stat[cpu].member) 34 #define inc_irq_stat(member) this_cpu_inc(irq_stat.member) 35 #define __inc_irq_stat(member) __this_cpu_inc(irq_stat.member) 36 #define local_softirq_pending() this_cpu_read(irq_stat.__softirq_pending) 37 38 #define __ARCH_SET_SOFTIRQ_PENDING 39 40 #define set_softirq_pending(x) \ 41 this_cpu_write(irq_stat.__softirq_pending, (x)) 42 #define or_softirq_pending(x) this_cpu_or(irq_stat.__softirq_pending, (x)) 43 44 #define ack_bad_irq(irq) WARN(1, "unexpected IRQ trap at vector %02x\n", irq) 45 46 #endif /* _PARISC_HARDIRQ_H */ 47