/* * linux/include/asm-i386/nmi.h */ #ifndef ASM_NMI_H #define ASM_NMI_H #include <linux/pm.h> #include <asm/io.h> /** * do_nmi_callback * * Check to see if a callback exists and execute it. Return 1 * if the handler exists and was handled successfully. */ int do_nmi_callback(struct pt_regs *regs, int cpu); #ifdef CONFIG_PM /** Replace the PM callback routine for NMI. */ struct pm_dev * set_nmi_pm_callback(pm_callback callback); /** Unset the PM callback routine back to the default. */ void unset_nmi_pm_callback(struct pm_dev * dev); #else static inline struct pm_dev * set_nmi_pm_callback(pm_callback callback) { return 0; } static inline void unset_nmi_pm_callback(struct pm_dev * dev) { } #endif /* CONFIG_PM */ extern void default_do_nmi(struct pt_regs *); extern void die_nmi(char *str, struct pt_regs *regs, int do_panic); #define get_nmi_reason() inb(0x61) extern int panic_on_timeout; extern int unknown_nmi_panic; extern int nmi_watchdog_enabled; extern int check_nmi_watchdog(void); extern int avail_to_resrv_perfctr_nmi_bit(unsigned int); extern int avail_to_resrv_perfctr_nmi(unsigned int); extern int reserve_perfctr_nmi(unsigned int); extern void release_perfctr_nmi(unsigned int); extern int reserve_evntsel_nmi(unsigned int); extern void release_evntsel_nmi(unsigned int); extern void setup_apic_nmi_watchdog (void *); extern void stop_apic_nmi_watchdog (void *); extern void disable_timer_nmi_watchdog(void); extern void enable_timer_nmi_watchdog(void); extern int nmi_watchdog_tick (struct pt_regs * regs, unsigned reason); extern void nmi_watchdog_default(void); extern int setup_nmi_watchdog(char *); extern atomic_t nmi_active; extern unsigned int nmi_watchdog; #define NMI_DISABLED -1 #define NMI_NONE 0 #define NMI_IO_APIC 1 #define NMI_LOCAL_APIC 2 #define NMI_INVALID 3 #define NMI_DEFAULT NMI_DISABLED struct ctl_table; struct file; extern int proc_nmi_enabled(struct ctl_table *, int , struct file *, void __user *, size_t *, loff_t *); extern int unknown_nmi_panic; void __trigger_all_cpu_backtrace(void); #define trigger_all_cpu_backtrace() __trigger_all_cpu_backtrace() void lapic_watchdog_stop(void); int lapic_watchdog_init(unsigned nmi_hz); int lapic_wd_event(unsigned nmi_hz); unsigned lapic_adjust_nmi_hz(unsigned hz); int lapic_watchdog_ok(void); void disable_lapic_nmi_watchdog(void); void enable_lapic_nmi_watchdog(void); void stop_nmi(void); void restart_nmi(void); #endif /* ASM_NMI_H */