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arch
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x86
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include
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asm
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nmi.h

nmi.h 1.5 KB
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  1. #ifndef _ASM_X86_NMI_H
    2. 

  2. #define _ASM_X86_NMI_H
    3. 

  3. 

  4. #include <linux/pm.h>
    5. 

  5. #include <asm/irq.h>
    6. 

  6. #include <asm/io.h>
    7. 

  7. 

  8. #ifdef CONFIG_X86_LOCAL_APIC
    9. 

  9. 

  10. extern void die_nmi(char *str, struct pt_regs *regs, int do_panic);
    11. 

  11. extern int avail_to_resrv_perfctr_nmi_bit(unsigned int);
    12. 

  12. extern int reserve_perfctr_nmi(unsigned int);
    13. 

  13. extern void release_perfctr_nmi(unsigned int);
    14. 

  14. extern int reserve_evntsel_nmi(unsigned int);
    15. 

  15. extern void release_evntsel_nmi(unsigned int);
    16. 

  16. 

  17. struct ctl_table;
    18. 

  18. extern int proc_nmi_enabled(struct ctl_table *, int ,
    19. 

  19. 			void __user *, size_t *, loff_t *);
    20. 

  20. extern int unknown_nmi_panic;
    21. 

  21. 

  22. void arch_trigger_all_cpu_backtrace(void);
    23. 

  23. #define arch_trigger_all_cpu_backtrace arch_trigger_all_cpu_backtrace
    24. 

  24. #endif
    25. 

  25. 

  26. /*
    27. 

  27.  * Define some priorities for the nmi notifier call chain.
    28. 

  28.  *
    29. 

  29.  * Create a local nmi bit that has a higher priority than
    30. 

  30.  * external nmis, because the local ones are more frequent.
    31. 

  31.  *
    32. 

  32.  * Also setup some default high/normal/low settings for
    33. 

  33.  * subsystems to registers with.  Using 4 bits to seperate
    34. 

  34.  * the priorities.  This can go alot higher if needed be.
    35. 

  35.  */
    36. 

  36. 

  37. #define NMI_LOCAL_SHIFT		16	/* randomly picked */
    38. 

  38. #define NMI_LOCAL_BIT		(1ULL << NMI_LOCAL_SHIFT)
    39. 

  39. #define NMI_HIGH_PRIOR		(1ULL << 8)
    40. 

  40. #define NMI_NORMAL_PRIOR	(1ULL << 4)
    41. 

  41. #define NMI_LOW_PRIOR		(1ULL << 0)
    42. 

  42. #define NMI_LOCAL_HIGH_PRIOR	(NMI_LOCAL_BIT | NMI_HIGH_PRIOR)
    43. 

  43. #define NMI_LOCAL_NORMAL_PRIOR	(NMI_LOCAL_BIT | NMI_NORMAL_PRIOR)
    44. 

  44. #define NMI_LOCAL_LOW_PRIOR	(NMI_LOCAL_BIT | NMI_LOW_PRIOR)
    45. 

  45. 

  46. void stop_nmi(void);
    47. 

  47. void restart_nmi(void);
    48. 

  48. 

  49. #endif /* _ASM_X86_NMI_H */
    50.