nmi.h 2.0 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. #include <asm/io.h>
  8. /**
  9. * do_nmi_callback
  10. *
  11. * Check to see if a callback exists and execute it. Return 1
  12. * if the handler exists and was handled successfully.
  13. */
  14. int do_nmi_callback(struct pt_regs *regs, int cpu);
  15. #ifdef CONFIG_PM
  16. /** Replace the PM callback routine for NMI. */
  17. struct pm_dev * set_nmi_pm_callback(pm_callback callback);
  18. /** Unset the PM callback routine back to the default. */
  19. void unset_nmi_pm_callback(struct pm_dev * dev);
  20. #else
  21. static inline struct pm_dev * set_nmi_pm_callback(pm_callback callback)
  22. {
  23. return 0;
  24. }
  25. static inline void unset_nmi_pm_callback(struct pm_dev * dev)
  26. {
  27. }
  28. #endif /* CONFIG_PM */
  29. extern void default_do_nmi(struct pt_regs *);
  30. extern void die_nmi(char *str, struct pt_regs *regs, int do_panic);
  31. #define get_nmi_reason() inb(0x61)
  32. extern int panic_on_timeout;
  33. extern int unknown_nmi_panic;
  34. extern int nmi_watchdog_enabled;
  35. extern int check_nmi_watchdog(void);
  36. extern int avail_to_resrv_perfctr_nmi_bit(unsigned int);
  37. extern int avail_to_resrv_perfctr_nmi(unsigned int);
  38. extern int reserve_perfctr_nmi(unsigned int);
  39. extern void release_perfctr_nmi(unsigned int);
  40. extern int reserve_evntsel_nmi(unsigned int);
  41. extern void release_evntsel_nmi(unsigned int);
  42. extern void setup_apic_nmi_watchdog (void *);
  43. extern void stop_apic_nmi_watchdog (void *);
  44. extern void disable_timer_nmi_watchdog(void);
  45. extern void enable_timer_nmi_watchdog(void);
  46. extern int nmi_watchdog_tick (struct pt_regs * regs, unsigned reason);
  47. extern void nmi_watchdog_default(void);
  48. extern int setup_nmi_watchdog(char *);
  49. extern atomic_t nmi_active;
  50. extern unsigned int nmi_watchdog;
  51. #define NMI_DEFAULT -1
  52. #define NMI_NONE 0
  53. #define NMI_IO_APIC 1
  54. #define NMI_LOCAL_APIC 2
  55. #define NMI_INVALID 3
  56. struct ctl_table;
  57. struct file;
  58. extern int proc_nmi_enabled(struct ctl_table *, int , struct file *,
  59. void __user *, size_t *, loff_t *);
  60. extern int unknown_nmi_panic;
  61. #endif /* ASM_NMI_H */