Blame view

kernel/linux-rt-4.4.41/arch/x86/include/asm/nmi.h 1.38 KB
5113f6f70   김현기   kernel add
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
  #ifndef _ASM_X86_NMI_H
  #define _ASM_X86_NMI_H
  
  #include <linux/irq_work.h>
  #include <linux/pm.h>
  #include <asm/irq.h>
  #include <asm/io.h>
  
  #ifdef CONFIG_X86_LOCAL_APIC
  
  extern int avail_to_resrv_perfctr_nmi_bit(unsigned int);
  extern int reserve_perfctr_nmi(unsigned int);
  extern void release_perfctr_nmi(unsigned int);
  extern int reserve_evntsel_nmi(unsigned int);
  extern void release_evntsel_nmi(unsigned int);
  
  struct ctl_table;
  extern int proc_nmi_enabled(struct ctl_table *, int ,
  			void __user *, size_t *, loff_t *);
  extern int unknown_nmi_panic;
  
  #endif /* CONFIG_X86_LOCAL_APIC */
  
  #define NMI_FLAG_FIRST	1
  
  enum {
  	NMI_LOCAL=0,
  	NMI_UNKNOWN,
  	NMI_SERR,
  	NMI_IO_CHECK,
  	NMI_MAX
  };
  
  #define NMI_DONE	0
  #define NMI_HANDLED	1
  
  typedef int (*nmi_handler_t)(unsigned int, struct pt_regs *);
  
  struct nmiaction {
  	struct list_head	list;
  	nmi_handler_t		handler;
  	u64			max_duration;
  	struct irq_work		irq_work;
  	unsigned long		flags;
  	const char		*name;
  };
  
  #define register_nmi_handler(t, fn, fg, n, init...)	\
  ({							\
  	static struct nmiaction init fn##_na = {	\
  		.handler = (fn),			\
  		.name = (n),				\
  		.flags = (fg),				\
  	};						\
  	__register_nmi_handler((t), &fn##_na);		\
  })
  
  int __register_nmi_handler(unsigned int, struct nmiaction *);
  
  void unregister_nmi_handler(unsigned int, const char *);
  
  void stop_nmi(void);
  void restart_nmi(void);
  void local_touch_nmi(void);
  
  #endif /* _ASM_X86_NMI_H */