65 lines
1.7 KiB
C
65 lines
1.7 KiB
C
/*
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* linux/include/asm-i386/nmi.h
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*/
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#ifndef ASM_NMI_H
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#define ASM_NMI_H
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#include <linux/pm.h>
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#include <asm/irq.h>
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#ifdef ARCH_HAS_NMI_WATCHDOG
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/**
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* do_nmi_callback
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*
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* Check to see if a callback exists and execute it. Return 1
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* if the handler exists and was handled successfully.
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*/
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int do_nmi_callback(struct pt_regs *regs, int cpu);
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extern int nmi_watchdog_enabled;
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extern int avail_to_resrv_perfctr_nmi_bit(unsigned int);
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extern int avail_to_resrv_perfctr_nmi(unsigned int);
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extern int reserve_perfctr_nmi(unsigned int);
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extern void release_perfctr_nmi(unsigned int);
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extern int reserve_evntsel_nmi(unsigned int);
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extern void release_evntsel_nmi(unsigned int);
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extern void setup_apic_nmi_watchdog (void *);
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extern void stop_apic_nmi_watchdog (void *);
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extern void disable_timer_nmi_watchdog(void);
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extern void enable_timer_nmi_watchdog(void);
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extern int nmi_watchdog_tick (struct pt_regs * regs, unsigned reason);
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extern atomic_t nmi_active;
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extern unsigned int nmi_watchdog;
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#define NMI_DISABLED -1
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#define NMI_NONE 0
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#define NMI_IO_APIC 1
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#define NMI_LOCAL_APIC 2
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#define NMI_INVALID 3
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#define NMI_DEFAULT NMI_DISABLED
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struct ctl_table;
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struct file;
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extern int proc_nmi_enabled(struct ctl_table *, int , struct file *,
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void __user *, size_t *, loff_t *);
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extern int unknown_nmi_panic;
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void __trigger_all_cpu_backtrace(void);
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#define trigger_all_cpu_backtrace() __trigger_all_cpu_backtrace()
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#endif
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void lapic_watchdog_stop(void);
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int lapic_watchdog_init(unsigned nmi_hz);
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int lapic_wd_event(unsigned nmi_hz);
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unsigned lapic_adjust_nmi_hz(unsigned hz);
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int lapic_watchdog_ok(void);
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void disable_lapic_nmi_watchdog(void);
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void enable_lapic_nmi_watchdog(void);
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void stop_nmi(void);
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void restart_nmi(void);
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#endif /* ASM_NMI_H */
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