x86/fpu: Move xfeature type enumeration to fpu/types.h

[cascardo/linux.git] / arch / x86 / include / asm / fpu / types.h

diff --git a/arch/x86/include/asm/fpu/types.h b/arch/x86/include/asm/fpu/types.h
index 3a15ac6..006ec29 100644 (file)
--- a/arch/x86/include/asm/fpu/types.h
+++ b/arch/x86/include/asm/fpu/types.h
@@ -78,6 +78,34 @@ struct i387_soft_struct {
        u32                     entry_eip;
 };
 
+/*
+ * 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)