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 */ 17