Linux Kernel  3.7.1
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nmi.h
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1 #ifndef _ASM_X86_NMI_H
2 #define _ASM_X86_NMI_H
3 
4 #include <linux/pm.h>
5 #include <asm/irq.h>
6 #include <asm/io.h>
7 
8 #ifdef CONFIG_X86_LOCAL_APIC
9 
10 extern int avail_to_resrv_perfctr_nmi_bit(unsigned int);
11 extern int reserve_perfctr_nmi(unsigned int);
12 extern void release_perfctr_nmi(unsigned int);
13 extern int reserve_evntsel_nmi(unsigned int);
14 extern void release_evntsel_nmi(unsigned int);
15 
16 struct ctl_table;
17 extern int proc_nmi_enabled(struct ctl_table *, int ,
18  void __user *, size_t *, loff_t *);
19 extern int unknown_nmi_panic;
20 
22 #define arch_trigger_all_cpu_backtrace arch_trigger_all_cpu_backtrace
23 #endif
24 
25 #define NMI_FLAG_FIRST 1
26 
27 enum {
33 };
34 
35 #define NMI_DONE 0
36 #define NMI_HANDLED 1
37 
38 typedef int (*nmi_handler_t)(unsigned int, struct pt_regs *);
39 
40 struct nmiaction {
41  struct list_head list;
43  unsigned long flags;
44  const char *name;
45 };
46 
47 #define register_nmi_handler(t, fn, fg, n, init...) \
48 ({ \
49  static struct nmiaction init fn##_na = { \
50  .handler = (fn), \
51  .name = (n), \
52  .flags = (fg), \
53  }; \
54  __register_nmi_handler((t), &fn##_na); \
55 })
56 
57 int __register_nmi_handler(unsigned int, struct nmiaction *);
58 
59 void unregister_nmi_handler(unsigned int, const char *);
60 
61 void stop_nmi(void);
62 void restart_nmi(void);
63 void local_touch_nmi(void);
64 
65 #endif /* _ASM_X86_NMI_H */