Linux Kernel  3.7.1
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hardirq.h
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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 #ifdef CONFIG_X86_LOCAL_APIC
11  unsigned int apic_timer_irqs; /* arch dependent */
12  unsigned int irq_spurious_count;
13  unsigned int icr_read_retry_count;
14 #endif
15  unsigned int x86_platform_ipis; /* arch dependent */
16  unsigned int apic_perf_irqs;
17  unsigned int apic_irq_work_irqs;
18 #ifdef CONFIG_SMP
19  unsigned int irq_resched_count;
20  unsigned int irq_call_count;
21  /*
22  * irq_tlb_count is double-counted in irq_call_count, so it must be
23  * subtracted from irq_call_count when displaying irq_call_count
24  */
25  unsigned int irq_tlb_count;
26 #endif
27 #ifdef CONFIG_X86_THERMAL_VECTOR
28  unsigned int irq_thermal_count;
29 #endif
30 #ifdef CONFIG_X86_MCE_THRESHOLD
31  unsigned int irq_threshold_count;
32 #endif
33 } ____cacheline_aligned irq_cpustat_t;
34 
35 DECLARE_PER_CPU_SHARED_ALIGNED(irq_cpustat_t, irq_stat);
36 
37 /* We can have at most NR_VECTORS irqs routed to a cpu at a time */
38 #define MAX_HARDIRQS_PER_CPU NR_VECTORS
39 
40 #define __ARCH_IRQ_STAT
41 
42 #define inc_irq_stat(member) this_cpu_inc(irq_stat.member)
43 
44 #define local_softirq_pending() this_cpu_read(irq_stat.__softirq_pending)
45 
46 #define __ARCH_SET_SOFTIRQ_PENDING
47 
48 #define set_softirq_pending(x) \
49  this_cpu_write(irq_stat.__softirq_pending, (x))
50 #define or_softirq_pending(x) this_cpu_or(irq_stat.__softirq_pending, (x))
51 
52 extern void ack_bad_irq(unsigned int irq);
53 
54 extern u64 arch_irq_stat_cpu(unsigned int cpu);
55 #define arch_irq_stat_cpu arch_irq_stat_cpu
56 
57 extern u64 arch_irq_stat(void);
58 #define arch_irq_stat arch_irq_stat
59 
60 #endif /* _ASM_X86_HARDIRQ_H */