arch/parisc/include/asm/hardirq.h

   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 */