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| author | H. Peter Anvin <hpa@linux.intel.com> | 2010-09-17 15:36:40 -0700 |
|---|---|---|
| committer | H. Peter Anvin <hpa@linux.intel.com> | 2010-09-17 15:36:40 -0700 |
| commit | bc83cccc761953f878088cdfa682de0970b5561f (patch) | |
| tree | 32b2ab4495b28b8d579ad35926d96eeee1ccd0aa /arch/x86/include/asm/mwait.h | |
| parent | 49553c2ef88749dd502687f4eb9c258bb10a4f44 (diff) | |
| download | linux-0-day-bc83cccc761953f878088cdfa682de0970b5561f.tar.gz linux-0-day-bc83cccc761953f878088cdfa682de0970b5561f.tar.xz | |
x86, mwait: Move mwait constants to a common header file
We have MWAIT constants spread across three different .c files, for no
good reason. Move them all into a common header file.
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Reviewed-by: Arjan van de Ven <arjan@linux.intel.com>
Cc: Len Brown <lenb@kernel.org>
LKML-Reference: <tip-*@git.kernel.org>
Diffstat (limited to 'arch/x86/include/asm/mwait.h')
| -rw-r--r-- | arch/x86/include/asm/mwait.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/arch/x86/include/asm/mwait.h b/arch/x86/include/asm/mwait.h new file mode 100644 index 0000000000000..bcdff997668c4 --- /dev/null +++ b/arch/x86/include/asm/mwait.h @@ -0,0 +1,15 @@ +#ifndef _ASM_X86_MWAIT_H +#define _ASM_X86_MWAIT_H + +#define MWAIT_SUBSTATE_MASK 0xf +#define MWAIT_CSTATE_MASK 0xf +#define MWAIT_SUBSTATE_SIZE 4 +#define MWAIT_MAX_NUM_CSTATES 8 + +#define CPUID_MWAIT_LEAF 5 +#define CPUID5_ECX_EXTENSIONS_SUPPORTED 0x1 +#define CPUID5_ECX_INTERRUPT_BREAK 0x2 + +#define MWAIT_ECX_INTERRUPT_BREAK 0x1 + +#endif /* _ASM_X86_MWAIT_H */ |