2 * linux/include/asm-i386/nmi.h
12 typedef int (*nmi_callback_t)(struct pt_regs * regs, int cpu);
17 * Set a handler for an NMI. Only one handler may be
18 * set. Return 1 if the NMI was handled.
20 void set_nmi_callback(nmi_callback_t callback);
25 * Remove the handler previously set.
27 void unset_nmi_callback(void);
32 * Check to see if a callback exists and execute it. Return 1
33 * if the handler exists and was handled successfully.
35 int do_nmi_callback(struct pt_regs *regs, int cpu);
39 /** Replace the PM callback routine for NMI. */
40 struct pm_dev * set_nmi_pm_callback(pm_callback callback);
42 /** Unset the PM callback routine back to the default. */
43 void unset_nmi_pm_callback(struct pm_dev * dev);
47 static inline struct pm_dev * set_nmi_pm_callback(pm_callback callback)
52 static inline void unset_nmi_pm_callback(struct pm_dev * dev)
56 #endif /* CONFIG_PM */
58 extern void default_do_nmi(struct pt_regs *);
59 extern void die_nmi(char *str, struct pt_regs *regs);
61 #define get_nmi_reason() inb(0x61)
63 extern int panic_on_timeout;
64 extern int unknown_nmi_panic;
66 extern int check_nmi_watchdog(void);
67 extern int avail_to_resrv_perfctr_nmi_bit(unsigned int);
68 extern int avail_to_resrv_perfctr_nmi(unsigned int);
69 extern int reserve_perfctr_nmi(unsigned int);
70 extern void release_perfctr_nmi(unsigned int);
71 extern int reserve_evntsel_nmi(unsigned int);
72 extern void release_evntsel_nmi(unsigned int);
74 extern void setup_apic_nmi_watchdog (void *);
75 extern int reserve_lapic_nmi(void);
76 extern void release_lapic_nmi(void);
77 extern void disable_timer_nmi_watchdog(void);
78 extern void enable_timer_nmi_watchdog(void);
79 extern int nmi_watchdog_tick (struct pt_regs * regs, unsigned reason);
81 extern void nmi_watchdog_default(void);
82 extern int setup_nmi_watchdog(char *);
84 extern atomic_t nmi_active;
85 extern unsigned int nmi_watchdog;
86 #define NMI_DEFAULT -1
89 #define NMI_LOCAL_APIC 2
92 #endif /* ASM_NMI_H */