blob: 1e363021e72fc0dc1dd66977322f10803cf31f1c [file] [log] [blame]
#ifndef _ASM_X86_NMI_H_
#define _ASM_X86_NMI_H_
#include <linux/pm.h>
#include <asm/irq.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);
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 */
#ifdef CONFIG_X86_64
extern void default_do_nmi(struct pt_regs *);
extern void die_nmi(char *str, struct pt_regs *regs, int do_panic);
extern void nmi_watchdog_default(void);
#define nmi_watchdog_default() do {} while (0)
extern int check_nmi_watchdog(void);
extern int nmi_watchdog_enabled;
extern int unknown_nmi_panic;
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 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
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);