release/src-rt-6.x.4708/linux/linux-2.6.36/arch/x86/include/asm/hardirq.h

   1 #ifndef _ASM_X86_HARDIRQ_H
   2 #define _ASM_X86_HARDIRQ_H
   3
   4 #include <linux/threads.h>
   5 #include <linux/irq.h>
   6
   7 typedef struct {
   8         unsigned int __softirq_pending;
   9         unsigned int __nmi_count;       /* arch dependent */
  10         unsigned int irq0_irqs;
  11 #ifdef CONFIG_X86_LOCAL_APIC
  12         unsigned int apic_timer_irqs;   /* arch dependent */
  13         unsigned int irq_spurious_count;
  14 #endif
  15         unsigned int x86_platform_ipis; /* arch dependent */
  16         unsigned int apic_perf_irqs;
  17         unsigned int apic_pending_irqs;
  18 #ifdef CONFIG_SMP
  19         unsigned int irq_resched_count;
  20         unsigned int irq_call_count;
  21         unsigned int irq_tlb_count;
  22 #endif
  23 #ifdef CONFIG_X86_THERMAL_VECTOR
  24         unsigned int irq_thermal_count;
  25 #endif
  26 #ifdef CONFIG_X86_MCE_THRESHOLD
  27         unsigned int irq_threshold_count;
  28 #endif
  29 } ____cacheline_aligned irq_cpustat_t;
  30
  31 DECLARE_PER_CPU_SHARED_ALIGNED(irq_cpustat_t, irq_stat);
  32
  33 /* We can have at most NR_VECTORS irqs routed to a cpu at a time */
  34 #define MAX_HARDIRQS_PER_CPU NR_VECTORS
  35
  36 #define __ARCH_IRQ_STAT
  37
  38 #define inc_irq_stat(member)    percpu_inc(irq_stat.member)
  39
  40 #define local_softirq_pending() percpu_read(irq_stat.__softirq_pending)
  41
  42 #define __ARCH_SET_SOFTIRQ_PENDING
  43
  44 #define set_softirq_pending(x)  percpu_write(irq_stat.__softirq_pending, (x))
  45 #define or_softirq_pending(x)   percpu_or(irq_stat.__softirq_pending, (x))
  46
  47 extern void ack_bad_irq(unsigned int irq);
  48
  49 extern u64 arch_irq_stat_cpu(unsigned int cpu);
  50 #define arch_irq_stat_cpu       arch_irq_stat_cpu
  51
  52 extern u64 arch_irq_stat(void);
  53 #define arch_irq_stat           arch_irq_stat
  54
  55 #endif /* _ASM_X86_HARDIRQ_H */