diff options
| author | Ingo Molnar <mingo@kernel.org> | 2015-04-28 09:46:04 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2015-05-19 15:47:56 +0200 |
| commit | 91969d690f594f22c15055daf89cecd33584d65e (patch) | |
| tree | 7fd9353811cb4c0bdfd7e2dfc604d9543461642a /arch/x86/include/asm/fpu | |
| parent | 677b98bdd5b93d89ad58b8a4679db086dfbaa854 (diff) | |
x86/fpu: Move xfeature type enumeration to fpu/types.h
So xsave.h is an internal header that FPU using drivers commonly include,
to get access to the xstate feature names, amongst other things.
Move these type definitions to fpu/fpu.h to allow simplification
of FPU using driver code.
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: Fenghua Yu <fenghua.yu@intel.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/x86/include/asm/fpu')
| -rw-r--r-- | arch/x86/include/asm/fpu/types.h | 28 | ||||
| -rw-r--r-- | arch/x86/include/asm/fpu/xstate.h | 28 |
2 files changed, 28 insertions, 28 deletions
diff --git a/arch/x86/include/asm/fpu/types.h b/arch/x86/include/asm/fpu/types.h index 3a15ac6032eb..006ec2975f6f 100644 --- a/arch/x86/include/asm/fpu/types.h +++ b/arch/x86/include/asm/fpu/types.h @@ -79,6 +79,34 @@ struct i387_soft_struct { }; /* + * List of XSAVE features Linux knows about: + */ +enum xfeature_bit { + XSTATE_BIT_FP, + XSTATE_BIT_SSE, + XSTATE_BIT_YMM, + XSTATE_BIT_BNDREGS, + XSTATE_BIT_BNDCSR, + XSTATE_BIT_OPMASK, + XSTATE_BIT_ZMM_Hi256, + XSTATE_BIT_Hi16_ZMM, + + XFEATURES_NR_MAX, +}; + +#define XSTATE_FP (1 << XSTATE_BIT_FP) +#define XSTATE_SSE (1 << XSTATE_BIT_SSE) +#define XSTATE_YMM (1 << XSTATE_BIT_YMM) +#define XSTATE_BNDREGS (1 << XSTATE_BIT_BNDREGS) +#define XSTATE_BNDCSR (1 << XSTATE_BIT_BNDCSR) +#define XSTATE_OPMASK (1 << XSTATE_BIT_OPMASK) +#define XSTATE_ZMM_Hi256 (1 << XSTATE_BIT_ZMM_Hi256) +#define XSTATE_Hi16_ZMM (1 << XSTATE_BIT_Hi16_ZMM) + +#define XSTATE_FPSSE (XSTATE_FP | XSTATE_SSE) +#define XSTATE_AVX512 (XSTATE_OPMASK | XSTATE_ZMM_Hi256 | XSTATE_Hi16_ZMM) + +/* * There are 16x 256-bit AVX registers named YMM0-YMM15. * The low 128 bits are aliased to the 16 SSE registers (XMM0-XMM15) * and are stored in 'struct i387_fxsave_struct::xmm_space[]'. diff --git a/arch/x86/include/asm/fpu/xstate.h b/arch/x86/include/asm/fpu/xstate.h index 9b2869dea490..31a002ad5aeb 100644 --- a/arch/x86/include/asm/fpu/xstate.h +++ b/arch/x86/include/asm/fpu/xstate.h @@ -4,34 +4,6 @@ #include <linux/types.h> #include <asm/processor.h> -/* - * List of XSAVE features Linux knows about: - */ -enum xfeature_bit { - XSTATE_BIT_FP, - XSTATE_BIT_SSE, - XSTATE_BIT_YMM, - XSTATE_BIT_BNDREGS, - XSTATE_BIT_BNDCSR, - XSTATE_BIT_OPMASK, - XSTATE_BIT_ZMM_Hi256, - XSTATE_BIT_Hi16_ZMM, - - XFEATURES_NR_MAX, -}; - -#define XSTATE_FP (1 << XSTATE_BIT_FP) -#define XSTATE_SSE (1 << XSTATE_BIT_SSE) -#define XSTATE_YMM (1 << XSTATE_BIT_YMM) -#define XSTATE_BNDREGS (1 << XSTATE_BIT_BNDREGS) -#define XSTATE_BNDCSR (1 << XSTATE_BIT_BNDCSR) -#define XSTATE_OPMASK (1 << XSTATE_BIT_OPMASK) -#define XSTATE_ZMM_Hi256 (1 << XSTATE_BIT_ZMM_Hi256) -#define XSTATE_Hi16_ZMM (1 << XSTATE_BIT_Hi16_ZMM) - - -#define XSTATE_FPSSE (XSTATE_FP | XSTATE_SSE) -#define XSTATE_AVX512 (XSTATE_OPMASK | XSTATE_ZMM_Hi256 | XSTATE_Hi16_ZMM) /* Bit 63 of XCR0 is reserved for future expansion */ #define XSTATE_EXTEND_MASK (~(XSTATE_FPSSE | (1ULL << 63))) |