nmi.h 1.2 KB

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  1. /*
  2. * linux/include/asm-i386/nmi.h
  3. */
  4. #ifndef ASM_NMI_H
  5. #define ASM_NMI_H
  6. #include <linux/pm.h>
  7. struct pt_regs;
  8. typedef int (*nmi_callback_t)(struct pt_regs * regs, int cpu);
  9. /**
  10. * set_nmi_callback
  11. *
  12. * Set a handler for an NMI. Only one handler may be
  13. * set. Return 1 if the NMI was handled.
  14. */
  15. void set_nmi_callback(nmi_callback_t callback);
  16. /**
  17. * unset_nmi_callback
  18. *
  19. * Remove the handler previously set.
  20. */
  21. void unset_nmi_callback(void);
  22. extern int avail_to_resrv_perfctr_nmi_bit(unsigned int);
  23. extern int avail_to_resrv_perfctr_nmi(unsigned int);
  24. extern int reserve_perfctr_nmi(unsigned int);
  25. extern void release_perfctr_nmi(unsigned int);
  26. extern int reserve_evntsel_nmi(unsigned int);
  27. extern void release_evntsel_nmi(unsigned int);
  28. extern void setup_apic_nmi_watchdog (void);
  29. extern int reserve_lapic_nmi(void);
  30. extern void release_lapic_nmi(void);
  31. extern void disable_timer_nmi_watchdog(void);
  32. extern void enable_timer_nmi_watchdog(void);
  33. extern void nmi_watchdog_tick (struct pt_regs * regs);
  34. extern unsigned int nmi_watchdog;
  35. #define NMI_DEFAULT -1
  36. #define NMI_NONE 0
  37. #define NMI_IO_APIC 1
  38. #define NMI_LOCAL_APIC 2
  39. #define NMI_INVALID 3
  40. #endif /* ASM_NMI_H */