nmi_64.h 2.4 KB

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  1. #ifndef ASM_NMI_H
  2. #define ASM_NMI_H
  3. #include <linux/pm.h>
  4. #include <asm/io.h>
  5. /**
  6. * do_nmi_callback
  7. *
  8. * Check to see if a callback exists and execute it. Return 1
  9. * if the handler exists and was handled successfully.
  10. */
  11. int do_nmi_callback(struct pt_regs *regs, int cpu);
  12. #ifdef CONFIG_PM
  13. /** Replace the PM callback routine for NMI. */
  14. struct pm_dev * set_nmi_pm_callback(pm_callback callback);
  15. /** Unset the PM callback routine back to the default. */
  16. void unset_nmi_pm_callback(struct pm_dev * dev);
  17. #else
  18. static inline struct pm_dev * set_nmi_pm_callback(pm_callback callback)
  19. {
  20. return 0;
  21. }
  22. static inline void unset_nmi_pm_callback(struct pm_dev * dev)
  23. {
  24. }
  25. #endif /* CONFIG_PM */
  26. extern void default_do_nmi(struct pt_regs *);
  27. extern void die_nmi(char *str, struct pt_regs *regs, int do_panic);
  28. #define get_nmi_reason() inb(0x61)
  29. extern int panic_on_timeout;
  30. extern int unknown_nmi_panic;
  31. extern int nmi_watchdog_enabled;
  32. extern int check_nmi_watchdog(void);
  33. extern int avail_to_resrv_perfctr_nmi_bit(unsigned int);
  34. extern int avail_to_resrv_perfctr_nmi(unsigned int);
  35. extern int reserve_perfctr_nmi(unsigned int);
  36. extern void release_perfctr_nmi(unsigned int);
  37. extern int reserve_evntsel_nmi(unsigned int);
  38. extern void release_evntsel_nmi(unsigned int);
  39. extern void setup_apic_nmi_watchdog (void *);
  40. extern void stop_apic_nmi_watchdog (void *);
  41. extern void disable_timer_nmi_watchdog(void);
  42. extern void enable_timer_nmi_watchdog(void);
  43. extern int nmi_watchdog_tick (struct pt_regs * regs, unsigned reason);
  44. extern void nmi_watchdog_default(void);
  45. extern int setup_nmi_watchdog(char *);
  46. extern atomic_t nmi_active;
  47. extern unsigned int nmi_watchdog;
  48. #define NMI_DISABLED -1
  49. #define NMI_NONE 0
  50. #define NMI_IO_APIC 1
  51. #define NMI_LOCAL_APIC 2
  52. #define NMI_INVALID 3
  53. #define NMI_DEFAULT NMI_DISABLED
  54. struct ctl_table;
  55. struct file;
  56. extern int proc_nmi_enabled(struct ctl_table *, int , struct file *,
  57. void __user *, size_t *, loff_t *);
  58. extern int unknown_nmi_panic;
  59. void __trigger_all_cpu_backtrace(void);
  60. #define trigger_all_cpu_backtrace() __trigger_all_cpu_backtrace()
  61. void lapic_watchdog_stop(void);
  62. int lapic_watchdog_init(unsigned nmi_hz);
  63. int lapic_wd_event(unsigned nmi_hz);
  64. unsigned lapic_adjust_nmi_hz(unsigned hz);
  65. int lapic_watchdog_ok(void);
  66. void disable_lapic_nmi_watchdog(void);
  67. void enable_lapic_nmi_watchdog(void);
  68. void stop_nmi(void);
  69. void restart_nmi(void);
  70. #endif /* ASM_NMI_H */