2 * linux/include/asm-i386/nmi.h
10 #include <xen/interface/nmi.h>
14 typedef int (*nmi_callback_t)(struct pt_regs * regs, int cpu);
19 * Set a handler for an NMI. Only one handler may be
20 * set. Return 1 if the NMI was handled.
22 void set_nmi_callback(nmi_callback_t callback);
27 * Remove the handler previously set.
29 void unset_nmi_callback(void);
33 /** Replace the PM callback routine for NMI. */
34 struct pm_dev * set_nmi_pm_callback(pm_callback callback);
36 /** Unset the PM callback routine back to the default. */
37 void unset_nmi_pm_callback(struct pm_dev * dev);
41 static inline struct pm_dev * set_nmi_pm_callback(pm_callback callback)
46 static inline void unset_nmi_pm_callback(struct pm_dev * dev)
50 #endif /* CONFIG_PM */
52 extern void default_do_nmi(struct pt_regs *);
53 extern void die_nmi(char *str, struct pt_regs *regs);
55 static inline unsigned char get_nmi_reason(void)
57 shared_info_t *s = HYPERVISOR_shared_info;
58 unsigned char reason = 0;
60 /* construct a value which looks like it came from
63 if (test_bit(_XEN_NMIREASON_io_error, &s->arch.nmi_reason))
65 if (test_bit(_XEN_NMIREASON_parity_error, &s->arch.nmi_reason))
71 extern int panic_on_timeout;
72 extern int unknown_nmi_panic;
74 extern int check_nmi_watchdog(void);
76 extern void setup_apic_nmi_watchdog (void);
77 extern int reserve_lapic_nmi(void);
78 extern void release_lapic_nmi(void);
79 extern void disable_timer_nmi_watchdog(void);
80 extern void enable_timer_nmi_watchdog(void);
81 extern void nmi_watchdog_tick (struct pt_regs * regs, unsigned reason);
83 extern void nmi_watchdog_default(void);
84 extern int setup_nmi_watchdog(char *);
86 extern unsigned int nmi_watchdog;
87 #define NMI_DEFAULT -1
90 #define NMI_LOCAL_APIC 2
93 #endif /* ASM_NMI_H */