nmi.h 1.4 KB

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  1. #ifndef _ASM_X86_NMI_H
  2. #define _ASM_X86_NMI_H
  3. #include <linux/pm.h>
  4. #include <asm/irq.h>
  5. #include <asm/io.h>
  6. #ifdef CONFIG_X86_LOCAL_APIC
  7. extern int avail_to_resrv_perfctr_nmi_bit(unsigned int);
  8. extern int reserve_perfctr_nmi(unsigned int);
  9. extern void release_perfctr_nmi(unsigned int);
  10. extern int reserve_evntsel_nmi(unsigned int);
  11. extern void release_evntsel_nmi(unsigned int);
  12. struct ctl_table;
  13. extern int proc_nmi_enabled(struct ctl_table *, int ,
  14. void __user *, size_t *, loff_t *);
  15. extern int unknown_nmi_panic;
  16. void arch_trigger_all_cpu_backtrace(void);
  17. #define arch_trigger_all_cpu_backtrace arch_trigger_all_cpu_backtrace
  18. #endif
  19. #define NMI_FLAG_FIRST 1
  20. enum {
  21. NMI_LOCAL=0,
  22. NMI_UNKNOWN,
  23. NMI_SERR,
  24. NMI_IO_CHECK,
  25. NMI_MAX
  26. };
  27. #define NMI_DONE 0
  28. #define NMI_HANDLED 1
  29. typedef int (*nmi_handler_t)(unsigned int, struct pt_regs *);
  30. struct nmiaction {
  31. struct list_head list;
  32. nmi_handler_t handler;
  33. unsigned long flags;
  34. const char *name;
  35. };
  36. #define register_nmi_handler(t, fn, fg, n) \
  37. ({ \
  38. static struct nmiaction fn##_na = { \
  39. .handler = (fn), \
  40. .name = (n), \
  41. .flags = (fg), \
  42. }; \
  43. __register_nmi_handler((t), &fn##_na); \
  44. })
  45. int __register_nmi_handler(unsigned int, struct nmiaction *);
  46. void unregister_nmi_handler(unsigned int, const char *);
  47. void stop_nmi(void);
  48. void restart_nmi(void);
  49. void local_touch_nmi(void);
  50. #endif /* _ASM_X86_NMI_H */