x86/cpufeatures: Enumerate the new AVX512 BFLOAT16 instructions

[linux.git] / arch / x86 / include / asm / cpufeatures.h

diff --git a/arch/x86/include/asm/cpufeatures.h b/arch/x86/include/asm/cpufeatures.h
index 75f27ee2c263f4233f7818c52c1afa4a3fca768b..8ecd9fac97c35d04f9c014187cb6621f74ed215b 100644 (file)
--- a/arch/x86/include/asm/cpufeatures.h
+++ b/arch/x86/include/asm/cpufeatures.h
@@ -239,12 +239,14 @@
 #define X86_FEATURE_BMI1               ( 9*32+ 3) /* 1st group bit manipulation extensions */
 #define X86_FEATURE_HLE                        ( 9*32+ 4) /* Hardware Lock Elision */
 #define X86_FEATURE_AVX2               ( 9*32+ 5) /* AVX2 instructions */
+#define X86_FEATURE_FDP_EXCPTN_ONLY    ( 9*32+ 6) /* "" FPU data pointer updated only on x87 exceptions */
 #define X86_FEATURE_SMEP               ( 9*32+ 7) /* Supervisor Mode Execution Protection */
 #define X86_FEATURE_BMI2               ( 9*32+ 8) /* 2nd group bit manipulation extensions */
 #define X86_FEATURE_ERMS               ( 9*32+ 9) /* Enhanced REP MOVSB/STOSB instructions */
 #define X86_FEATURE_INVPCID            ( 9*32+10) /* Invalidate Processor Context ID */
 #define X86_FEATURE_RTM                        ( 9*32+11) /* Restricted Transactional Memory */
 #define X86_FEATURE_CQM                        ( 9*32+12) /* Cache QoS Monitoring */
+#define X86_FEATURE_ZERO_FCS_FDS       ( 9*32+13) /* "" Zero out FPU CS and FPU DS */
 #define X86_FEATURE_MPX                        ( 9*32+14) /* Memory Protection Extension */
 #define X86_FEATURE_RDT_A              ( 9*32+15) /* Resource Director Technology Allocation */
 #define X86_FEATURE_AVX512F            ( 9*32+16) /* AVX-512 Foundation */
@@ -269,13 +271,19 @@
 #define X86_FEATURE_XGETBV1            (10*32+ 2) /* XGETBV with ECX = 1 instruction */
 #define X86_FEATURE_XSAVES             (10*32+ 3) /* XSAVES/XRSTORS instructions */
 
-/* Intel-defined CPU QoS Sub-leaf, CPUID level 0x0000000F:0 (EDX), word 11 */
-#define X86_FEATURE_CQM_LLC            (11*32+ 1) /* LLC QoS if 1 */
+/*
+ * Extended auxiliary flags: Linux defined - for features scattered in various
+ * CPUID levels like 0xf, etc.
+ *
+ * Reuse free bits when adding new feature flags!
+ */
+#define X86_FEATURE_CQM_LLC            (11*32+ 0) /* LLC QoS if 1 */
+#define X86_FEATURE_CQM_OCCUP_LLC      (11*32+ 1) /* LLC occupancy monitoring */
+#define X86_FEATURE_CQM_MBM_TOTAL      (11*32+ 2) /* LLC Total MBM monitoring */
+#define X86_FEATURE_CQM_MBM_LOCAL      (11*32+ 3) /* LLC Local MBM monitoring */
 
-/* Intel-defined CPU QoS Sub-leaf, CPUID level 0x0000000F:1 (EDX), word 12 */
-#define X86_FEATURE_CQM_OCCUP_LLC      (12*32+ 0) /* LLC occupancy monitoring */
-#define X86_FEATURE_CQM_MBM_TOTAL      (12*32+ 1) /* LLC Total MBM monitoring */
-#define X86_FEATURE_CQM_MBM_LOCAL      (12*32+ 2) /* LLC Local MBM monitoring */
+/* Intel-defined CPU features, CPUID level 0x00000007:1 (EAX), word 12 */
+#define X86_FEATURE_AVX512_BF16                (12*32+ 5) /* AVX512 BFLOAT16 instructions */
 
 /* AMD-defined CPU features, CPUID level 0x80000008 (EBX), word 13 */
 #define X86_FEATURE_CLZERO             (13*32+ 0) /* CLZERO instruction */