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/* * linux/include/asm-i386/nmi.h */ #ifndef ASM_NMI_H #define ASM_NMI_H #include <linux/pm.h> struct pt_regs; typedef int (*nmi_callback_t)(struct pt_regs * regs, int cpu); /** * 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); /** * set_nmi_callback * * Set a handler for an NMI. Only one handler may be * set. Return 1 if the NMI was handled. */ void set_nmi_callback(nmi_callback_t callback); /** * unset_nmi_callback * * Remove the handler previously set. */ void unset_nmi_callback(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); 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); extern void setup_apic_nmi_watchdog (void); extern int reserve_lapic_nmi(void); extern void release_lapic_nmi(void); extern void disable_timer_nmi_watchdog(void); extern void enable_timer_nmi_watchdog(void); extern int nmi_watchdog_tick (struct pt_regs * regs); extern unsigned int nmi_watchdog; #define NMI_DEFAULT -1 #define NMI_NONE 0 #define NMI_IO_APIC 1 #define NMI_LOCAL_APIC 2 #define NMI_INVALID 3 extern int unknown_nmi_panic; extern int nmi_watchdog_enabled; #endif /* ASM_NMI_H */