Merge remote-tracking branch 'at91/at91-next'

[karo-tx-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 4d8c2009b94eae3285c7d015431fa0aeb6b2cc47..1c6f6ac52ad0a2cfe44db5eab9825b59408cde01 100644 (file)
--- a/arch/x86/include/asm/fpu/types.h
+++ b/arch/x86/include/asm/fpu/types.h
@@ -128,17 +128,29 @@ enum xfeature {
 
 #define FIRST_EXTENDED_XFEATURE        XFEATURE_YMM
 
+struct reg_128_bit {
+       u8      regbytes[128/8];
+};
+struct reg_256_bit {
+       u8      regbytes[256/8];
+};
+struct reg_512_bit {
+       u8      regbytes[512/8];
+};
+
 /*
+ * State component 2:
+ *
  * 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 fxregs_state::xmm_space[]'.
+ * and are stored in 'struct fxregs_state::xmm_space[]' in the
+ * "legacy" area.
  *
- * The high 128 bits are stored here:
- *    16x 128 bits == 256 bytes.
+ * The high 128 bits are stored here.
  */
 struct ymmh_struct {
-       u8                              ymmh_space[256];
-};
+       struct reg_128_bit              hi_ymm[16];
+} __packed;
 
 /* Intel MPX support: */
 
@@ -173,6 +185,33 @@ struct mpx_bndcsr_state {
        };
 } __packed;
 
+/* AVX-512 Components: */
+
+/*
+ * State component 5 is used for the 8 64-bit opmask registers
+ * k0-k7 (opmask state).
+ */
+struct avx_512_opmask_state {
+       u64                             opmask_reg[8];
+} __packed;
+
+/*
+ * State component 6 is used for the upper 256 bits of the
+ * registers ZMM0-ZMM15. These 16 256-bit values are denoted
+ * ZMM0_H-ZMM15_H (ZMM_Hi256 state).
+ */
+struct avx_512_zmm_uppers_state {
+       struct reg_256_bit              zmm_upper[16];
+} __packed;
+
+/*
+ * State component 7 is used for the 16 512-bit registers
+ * ZMM16-ZMM31 (Hi16_ZMM state).
+ */
+struct avx_512_hi16_state {
+       struct reg_512_bit              hi16_zmm[16];
+} __packed;
+
 struct xstate_header {
        u64                             xfeatures;
        u64                             xcomp_bv;