| #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 */ |