nmi.h 1.3 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. #endif /* CONFIG_X86_LOCAL_APIC */
  17. #define NMI_FLAG_FIRST 1
  18. enum {
  19. NMI_LOCAL=0,
  20. NMI_UNKNOWN,
  21. NMI_SERR,
  22. NMI_IO_CHECK,
  23. NMI_MAX
  24. };
  25. #define NMI_DONE 0
  26. #define NMI_HANDLED 1
  27. typedef int (*nmi_handler_t)(unsigned int, struct pt_regs *);
  28. struct nmiaction {
  29. struct list_head list;
  30. nmi_handler_t handler;
  31. unsigned long flags;
  32. const char *name;
  33. };
  34. #define register_nmi_handler(t, fn, fg, n, init...) \
  35. ({ \
  36. static struct nmiaction init fn##_na = { \
  37. .handler = (fn), \
  38. .name = (n), \
  39. .flags = (fg), \
  40. }; \
  41. __register_nmi_handler((t), &fn##_na); \
  42. })
  43. int __register_nmi_handler(unsigned int, struct nmiaction *);
  44. void unregister_nmi_handler(unsigned int, const char *);
  45. void stop_nmi(void);
  46. void restart_nmi(void);
  47. void local_touch_nmi(void);
  48. #endif /* _ASM_X86_NMI_H */