arch/x86/include/asm/nmi.h

   1 #ifndef _ASM_X86_NMI_H
   2 #define _ASM_X86_NMI_H
   3
   4 #include <linux/pm.h>
   5 #include <asm/irq.h>
   6 #include <asm/io.h>
   7
   8 #ifdef CONFIG_X86_LOCAL_APIC
   9
  10 extern int avail_to_resrv_perfctr_nmi_bit(unsigned int);
  11 extern int reserve_perfctr_nmi(unsigned int);
  12 extern void release_perfctr_nmi(unsigned int);
  13 extern int reserve_evntsel_nmi(unsigned int);
  14 extern void release_evntsel_nmi(unsigned int);
  15
  16 struct ctl_table;
  17 extern int proc_nmi_enabled(struct ctl_table *, int ,
  18                         void __user *, size_t *, loff_t *);
  19 extern int unknown_nmi_panic;
  20
  21 void arch_trigger_all_cpu_backtrace(void);
  22 #define arch_trigger_all_cpu_backtrace arch_trigger_all_cpu_backtrace
  23 #endif
  24
  25 #define NMI_FLAG_FIRST  1
  26
  27 enum {
  28         NMI_LOCAL=0,
  29         NMI_UNKNOWN,
  30         NMI_MAX
  31 };
  32
  33 #define NMI_DONE        0
  34 #define NMI_HANDLED     1
  35
  36 typedef int (*nmi_handler_t)(unsigned int, struct pt_regs *);
  37
  38 int register_nmi_handler(unsigned int, nmi_handler_t, unsigned long,
  39                          const char *);
  40
  41 void unregister_nmi_handler(unsigned int, const char *);
  42
  43 void stop_nmi(void);
  44 void restart_nmi(void);
  45 void local_touch_nmi(void);
  46
  47 #endif /* _ASM_X86_NMI_H */