include/asm-x86/nmi_32.h

   1 #ifndef ASM_NMI_H
   2 #define ASM_NMI_H
   3
   4 #include <linux/pm.h>
   5 #include <asm/irq.h>
   6
   7 #ifdef ARCH_HAS_NMI_WATCHDOG
   8
   9 /**
  10  * do_nmi_callback
  11  *
  12  * Check to see if a callback exists and execute it.  Return 1
  13  * if the handler exists and was handled successfully.
  14  */
  15 int do_nmi_callback(struct pt_regs *regs, int cpu);
  16
  17 extern int nmi_watchdog_enabled;
  18 extern int avail_to_resrv_perfctr_nmi_bit(unsigned int);
  19 extern int avail_to_resrv_perfctr_nmi(unsigned int);
  20 extern int reserve_perfctr_nmi(unsigned int);
  21 extern void release_perfctr_nmi(unsigned int);
  22 extern int reserve_evntsel_nmi(unsigned int);
  23 extern void release_evntsel_nmi(unsigned int);
  24
  25 extern void setup_apic_nmi_watchdog (void *);
  26 extern void stop_apic_nmi_watchdog (void *);
  27 extern void disable_timer_nmi_watchdog(void);
  28 extern void enable_timer_nmi_watchdog(void);
  29 extern int nmi_watchdog_tick (struct pt_regs * regs, unsigned reason);
  30
  31 extern atomic_t nmi_active;
  32 extern unsigned int nmi_watchdog;
  33 #define NMI_DISABLED    -1
  34 #define NMI_NONE        0
  35 #define NMI_IO_APIC     1
  36 #define NMI_LOCAL_APIC  2
  37 #define NMI_INVALID     3
  38 #define NMI_DEFAULT     NMI_DISABLED
  39
  40 struct ctl_table;
  41 struct file;
  42 extern int proc_nmi_enabled(struct ctl_table *, int , struct file *,
  43                         void __user *, size_t *, loff_t *);
  44 extern int unknown_nmi_panic;
  45
  46 void __trigger_all_cpu_backtrace(void);
  47 #define trigger_all_cpu_backtrace() __trigger_all_cpu_backtrace()
  48
  49 #endif
  50
  51 void lapic_watchdog_stop(void);
  52 int lapic_watchdog_init(unsigned nmi_hz);
  53 int lapic_wd_event(unsigned nmi_hz);
  54 unsigned lapic_adjust_nmi_hz(unsigned hz);
  55 int lapic_watchdog_ok(void);
  56 void disable_lapic_nmi_watchdog(void);
  57 void enable_lapic_nmi_watchdog(void);
  58 void stop_nmi(void);
  59 void restart_nmi(void);
  60
  61 #endif /* ASM_NMI_H */