arch/x86/include/asm/mwait.h

   1 #ifndef _ASM_X86_MWAIT_H
   2 #define _ASM_X86_MWAIT_H
   3
   4 #define MWAIT_SUBSTATE_MASK             0xf
   5 #define MWAIT_CSTATE_MASK               0xf
   6 #define MWAIT_SUBSTATE_SIZE             4
   7 #define MWAIT_HINT2CSTATE(hint)         (((hint) >> MWAIT_SUBSTATE_SIZE) & MWAIT_CSTATE_MASK)
   8 #define MWAIT_HINT2SUBSTATE(hint)       ((hint) & MWAIT_CSTATE_MASK)
   9
  10 #define CPUID_MWAIT_LEAF                5
  11 #define CPUID5_ECX_EXTENSIONS_SUPPORTED 0x1
  12 #define CPUID5_ECX_INTERRUPT_BREAK      0x2
  13
  14 #define MWAIT_ECX_INTERRUPT_BREAK       0x1
  15
  16 #endif /* _ASM_X86_MWAIT_H */