include/asm-x86_64/nmi.h

   1 /*
   2  *  linux/include/asm-i386/nmi.h
   3  */
   4 #ifndef ASM_NMI_H
   5 #define ASM_NMI_H
   6
   7 #include <linux/pm.h>
   8
   9 struct pt_regs;
  10
  11 typedef int (*nmi_callback_t)(struct pt_regs * regs, int cpu);
  12
  13 /**
  14  * set_nmi_callback
  15  *
  16  * Set a handler for an NMI. Only one handler may be
  17  * set. Return 1 if the NMI was handled.
  18  */
  19 void set_nmi_callback(nmi_callback_t callback);
  20
  21 /**
  22  * unset_nmi_callback
  23  *
  24  * Remove the handler previously set.
  25  */
  26 void unset_nmi_callback(void);
  27
  28 #ifdef CONFIG_PM
  29
  30 /** Replace the PM callback routine for NMI. */
  31 struct pm_dev * set_nmi_pm_callback(pm_callback callback);
  32
  33 /** Unset the PM callback routine back to the default. */
  34 void unset_nmi_pm_callback(struct pm_dev * dev);
  35
  36 #else
  37
  38 static inline struct pm_dev * set_nmi_pm_callback(pm_callback callback)
  39 {
  40         return 0;
  41 }
  42
  43 static inline void unset_nmi_pm_callback(struct pm_dev * dev)
  44 {
  45 }
  46
  47 #endif /* CONFIG_PM */
  48
  49 extern void default_do_nmi(struct pt_regs *);
  50 extern void die_nmi(char *str, struct pt_regs *regs);
  51
  52 #define get_nmi_reason() inb(0x61)
  53
  54 extern int panic_on_timeout;
  55 extern int unknown_nmi_panic;
  56
  57 extern int check_nmi_watchdog(void);
  58
  59 #endif /* ASM_NMI_H */